diff options
author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
---|---|---|
committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/video/backlight | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/video/backlight')
49 files changed, 0 insertions, 14725 deletions
diff --git a/ANDROID_3.4.5/drivers/video/backlight/88pm860x_bl.c b/ANDROID_3.4.5/drivers/video/backlight/88pm860x_bl.c deleted file mode 100644 index f49181c7..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/88pm860x_bl.c +++ /dev/null @@ -1,281 +0,0 @@ -/* - * Backlight driver for Marvell Semiconductor 88PM8606 - * - * Copyright (C) 2009 Marvell International Ltd. - * Haojian Zhuang <haojian.zhuang@marvell.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/fb.h> -#include <linux/i2c.h> -#include <linux/backlight.h> -#include <linux/mfd/88pm860x.h> -#include <linux/module.h> - -#define MAX_BRIGHTNESS (0xFF) -#define MIN_BRIGHTNESS (0) - -#define CURRENT_BITMASK (0x1F << 1) - -struct pm860x_backlight_data { - struct pm860x_chip *chip; - struct i2c_client *i2c; - int current_brightness; - int port; - int pwm; - int iset; -}; - -static inline int wled_a(int port) -{ - int ret; - - ret = ((port - PM8606_BACKLIGHT1) << 1) + 2; - return ret; -} - -static inline int wled_b(int port) -{ - int ret; - - ret = ((port - PM8606_BACKLIGHT1) << 1) + 3; - return ret; -} - -/* WLED2 & WLED3 share the same IDC */ -static inline int wled_idc(int port) -{ - int ret; - - switch (port) { - case PM8606_BACKLIGHT1: - case PM8606_BACKLIGHT2: - ret = ((port - PM8606_BACKLIGHT1) << 1) + 3; - break; - case PM8606_BACKLIGHT3: - default: - ret = ((port - PM8606_BACKLIGHT2) << 1) + 3; - break; - } - return ret; -} - -static int backlight_power_set(struct pm860x_chip *chip, int port, - int on) -{ - int ret = -EINVAL; - - switch (port) { - case PM8606_BACKLIGHT1: - ret = on ? pm8606_osc_enable(chip, WLED1_DUTY) : - pm8606_osc_disable(chip, WLED1_DUTY); - break; - case PM8606_BACKLIGHT2: - ret = on ? pm8606_osc_enable(chip, WLED2_DUTY) : - pm8606_osc_disable(chip, WLED2_DUTY); - break; - case PM8606_BACKLIGHT3: - ret = on ? pm8606_osc_enable(chip, WLED3_DUTY) : - pm8606_osc_disable(chip, WLED3_DUTY); - break; - } - return ret; -} - -static int pm860x_backlight_set(struct backlight_device *bl, int brightness) -{ - struct pm860x_backlight_data *data = bl_get_data(bl); - struct pm860x_chip *chip = data->chip; - unsigned char value; - int ret; - - if (brightness > MAX_BRIGHTNESS) - value = MAX_BRIGHTNESS; - else - value = brightness; - - if (brightness) - backlight_power_set(chip, data->port, 1); - - ret = pm860x_reg_write(data->i2c, wled_a(data->port), value); - if (ret < 0) - goto out; - - if ((data->current_brightness == 0) && brightness) { - if (data->iset) { - ret = pm860x_set_bits(data->i2c, wled_idc(data->port), - CURRENT_BITMASK, data->iset); - if (ret < 0) - goto out; - } - if (data->pwm) { - ret = pm860x_set_bits(data->i2c, PM8606_PWM, - PM8606_PWM_FREQ_MASK, data->pwm); - if (ret < 0) - goto out; - } - if (brightness == MAX_BRIGHTNESS) { - /* set WLED_ON bit as 100% */ - ret = pm860x_set_bits(data->i2c, wled_b(data->port), - PM8606_WLED_ON, PM8606_WLED_ON); - } - } else { - if (brightness == MAX_BRIGHTNESS) { - /* set WLED_ON bit as 100% */ - ret = pm860x_set_bits(data->i2c, wled_b(data->port), - PM8606_WLED_ON, PM8606_WLED_ON); - } else { - /* clear WLED_ON bit since it's not 100% */ - ret = pm860x_set_bits(data->i2c, wled_b(data->port), - PM8606_WLED_ON, 0); - } - } - if (ret < 0) - goto out; - - if (brightness == 0) - backlight_power_set(chip, data->port, 0); - - dev_dbg(chip->dev, "set brightness %d\n", value); - data->current_brightness = value; - return 0; -out: - dev_dbg(chip->dev, "set brightness %d failure with return " - "value:%d\n", value, ret); - return ret; -} - -static int pm860x_backlight_update_status(struct backlight_device *bl) -{ - int brightness = bl->props.brightness; - - if (bl->props.power != FB_BLANK_UNBLANK) - brightness = 0; - - if (bl->props.fb_blank != FB_BLANK_UNBLANK) - brightness = 0; - - if (bl->props.state & BL_CORE_SUSPENDED) - brightness = 0; - - return pm860x_backlight_set(bl, brightness); -} - -static int pm860x_backlight_get_brightness(struct backlight_device *bl) -{ - struct pm860x_backlight_data *data = bl_get_data(bl); - struct pm860x_chip *chip = data->chip; - int ret; - - ret = pm860x_reg_read(data->i2c, wled_a(data->port)); - if (ret < 0) - goto out; - data->current_brightness = ret; - dev_dbg(chip->dev, "get brightness %d\n", data->current_brightness); - return data->current_brightness; -out: - return -EINVAL; -} - -static const struct backlight_ops pm860x_backlight_ops = { - .options = BL_CORE_SUSPENDRESUME, - .update_status = pm860x_backlight_update_status, - .get_brightness = pm860x_backlight_get_brightness, -}; - -static int pm860x_backlight_probe(struct platform_device *pdev) -{ - struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent); - struct pm860x_backlight_pdata *pdata = NULL; - struct pm860x_backlight_data *data; - struct backlight_device *bl; - struct resource *res; - struct backlight_properties props; - char name[MFD_NAME_SIZE]; - int ret; - - res = platform_get_resource(pdev, IORESOURCE_IO, 0); - if (res == NULL) { - dev_err(&pdev->dev, "No I/O resource!\n"); - return -EINVAL; - } - - pdata = pdev->dev.platform_data; - if (pdata == NULL) { - dev_err(&pdev->dev, "platform data isn't assigned to " - "backlight\n"); - return -EINVAL; - } - - data = devm_kzalloc(&pdev->dev, sizeof(struct pm860x_backlight_data), - GFP_KERNEL); - if (data == NULL) - return -ENOMEM; - strncpy(name, res->name, MFD_NAME_SIZE); - data->chip = chip; - data->i2c = (chip->id == CHIP_PM8606) ? chip->client \ - : chip->companion; - data->current_brightness = MAX_BRIGHTNESS; - data->pwm = pdata->pwm; - data->iset = pdata->iset; - data->port = pdata->flags; - if (data->port < 0) { - dev_err(&pdev->dev, "wrong platform data is assigned"); - return -EINVAL; - } - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = MAX_BRIGHTNESS; - bl = backlight_device_register(name, &pdev->dev, data, - &pm860x_backlight_ops, &props); - if (IS_ERR(bl)) { - dev_err(&pdev->dev, "failed to register backlight\n"); - return PTR_ERR(bl); - } - bl->props.brightness = MAX_BRIGHTNESS; - - platform_set_drvdata(pdev, bl); - - /* read current backlight */ - ret = pm860x_backlight_get_brightness(bl); - if (ret < 0) - goto out; - - backlight_update_status(bl); - return 0; -out: - backlight_device_unregister(bl); - return ret; -} - -static int pm860x_backlight_remove(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - - backlight_device_unregister(bl); - return 0; -} - -static struct platform_driver pm860x_backlight_driver = { - .driver = { - .name = "88pm860x-backlight", - .owner = THIS_MODULE, - }, - .probe = pm860x_backlight_probe, - .remove = pm860x_backlight_remove, -}; - -module_platform_driver(pm860x_backlight_driver); - -MODULE_DESCRIPTION("Backlight Driver for Marvell Semiconductor 88PM8606"); -MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:88pm860x-backlight"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/Kconfig b/ANDROID_3.4.5/drivers/video/backlight/Kconfig deleted file mode 100644 index af168844..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/Kconfig +++ /dev/null @@ -1,366 +0,0 @@ -# -# Backlight & LCD drivers configuration -# - -menuconfig BACKLIGHT_LCD_SUPPORT - bool "Backlight & LCD device support" - help - Enable this to be able to choose the drivers for controlling the - backlight and the LCD panel on some platforms, for example on PDAs. - -if BACKLIGHT_LCD_SUPPORT - -# -# LCD -# -config LCD_CLASS_DEVICE - tristate "Lowlevel LCD controls" - default m - help - This framework adds support for low-level control of LCD. - Some framebuffer devices connect to platform-specific LCD modules - in order to have a platform-specific way to control the flat panel - (contrast and applying power to the LCD (not to the backlight!)). - - To have support for your specific LCD panel you will have to - select the proper drivers which depend on this option. - -if LCD_CLASS_DEVICE - -config LCD_CORGI - tristate "LCD Panel support for SHARP corgi/spitz model" - depends on SPI_MASTER && PXA_SHARPSL - help - Say y here to support the LCD panels usually found on SHARP - corgi (C7x0) and spitz (Cxx00) models. - -config LCD_L4F00242T03 - tristate "Epson L4F00242T03 LCD" - depends on SPI_MASTER && GENERIC_GPIO - help - SPI driver for Epson L4F00242T03. This provides basic support - for init and powering the LCD up/down through a sysfs interface. - -config LCD_LMS283GF05 - tristate "Samsung LMS283GF05 LCD" - depends on SPI_MASTER && GENERIC_GPIO - help - SPI driver for Samsung LMS283GF05. This provides basic support - for powering the LCD up/down through a sysfs interface. - -config LCD_LTV350QV - tristate "Samsung LTV350QV LCD Panel" - depends on SPI_MASTER - help - If you have a Samsung LTV350QV LCD panel, say y to include a - power control driver for it. The panel starts up in power - off state, so you need this driver in order to see any - output. - - The LTV350QV panel is present on all ATSTK1000 boards. - -config LCD_ILI9320 - tristate - help - If you have a panel based on the ILI9320 controller chip - then say y to include a power driver for it. - -config LCD_TDO24M - tristate "Toppoly TDO24M and TDO35S LCD Panels support" - depends on SPI_MASTER - help - If you have a Toppoly TDO24M/TDO35S series LCD panel, say y here to - include the support for it. - -config LCD_VGG2432A4 - tristate "VGG2432A4 LCM device support" - depends on SPI_MASTER - select LCD_ILI9320 - help - If you have a VGG2432A4 panel based on the ILI9320 controller chip - then say y to include a power driver for it. - -config LCD_PLATFORM - tristate "Platform LCD controls" - help - This driver provides a platform-device registered LCD power - control interface. - -config LCD_TOSA - tristate "Sharp SL-6000 LCD Driver" - depends on SPI && MACH_TOSA - help - If you have an Sharp SL-6000 Zaurus say Y to enable a driver - for its LCD. - -config LCD_HP700 - tristate "HP Jornada 700 series LCD Driver" - depends on SA1100_JORNADA720_SSP && !PREEMPT - default y - help - If you have an HP Jornada 700 series handheld (710/720/728) - say Y to enable LCD control driver. - -config LCD_S6E63M0 - tristate "S6E63M0 AMOLED LCD Driver" - depends on SPI && BACKLIGHT_CLASS_DEVICE - default n - help - If you have an S6E63M0 LCD Panel, say Y to enable its - LCD control driver. - -config LCD_LD9040 - tristate "LD9040 AMOLED LCD Driver" - depends on SPI && BACKLIGHT_CLASS_DEVICE - default n - help - If you have an LD9040 Panel, say Y to enable its - control driver. - -config LCD_AMS369FG06 - tristate "AMS369FG06 AMOLED LCD Driver" - depends on SPI && BACKLIGHT_CLASS_DEVICE - default n - help - If you have an AMS369FG06 AMOLED Panel, say Y to enable its - LCD control driver. - -endif # LCD_CLASS_DEVICE - -# -# Backlight -# -config BACKLIGHT_CLASS_DEVICE - tristate "Lowlevel Backlight controls" - default m - help - This framework adds support for low-level control of the LCD - backlight. This includes support for brightness and power. - - To have support for your specific LCD panel you will have to - select the proper drivers which depend on this option. - -if BACKLIGHT_CLASS_DEVICE - -config BACKLIGHT_ATMEL_LCDC - bool "Atmel LCDC Contrast-as-Backlight control" - depends on FB_ATMEL - default y if MACH_SAM9261EK || MACH_SAM9G10EK || MACH_SAM9263EK - help - This provides a backlight control internal to the Atmel LCDC - driver. If the LCD "contrast control" on your board is wired - so it controls the backlight brightness, select this option to - export this as a PWM-based backlight control. - - If in doubt, it's safe to enable this option; it doesn't kick - in unless the board's description says it's wired that way. - -config BACKLIGHT_ATMEL_PWM - tristate "Atmel PWM backlight control" - depends on ATMEL_PWM - help - Say Y here if you want to use the PWM peripheral in Atmel AT91 and - AVR32 devices. This driver will need additional platform data to know - which PWM instance to use and how to configure it. - - To compile this driver as a module, choose M here: the module will be - called atmel-pwm-bl. - -config BACKLIGHT_EP93XX - tristate "Cirrus EP93xx Backlight Driver" - depends on FB_EP93XX - help - If you have a LCD backlight connected to the BRIGHT output of - the EP93xx, say Y here to enable this driver. - - To compile this driver as a module, choose M here: the module will - be called ep93xx_bl. - -config BACKLIGHT_GENERIC - tristate "Generic (aka Sharp Corgi) Backlight Driver" - default y - help - Say y to enable the generic platform backlight driver previously - known as the Corgi backlight driver. If you have a Sharp Zaurus - SL-C7xx, SL-Cxx00 or SL-6000x say y. - -config BACKLIGHT_LOCOMO - tristate "Sharp LOCOMO LCD/Backlight Driver" - depends on SHARP_LOCOMO - default y - help - If you have a Sharp Zaurus SL-5500 (Collie) or SL-5600 (Poodle) say y to - enable the LCD/backlight driver. - -config BACKLIGHT_OMAP1 - tristate "OMAP1 PWL-based LCD Backlight" - depends on ARCH_OMAP1 - default y - help - This driver controls the LCD backlight level and power for - the PWL module of OMAP1 processors. Say Y if your board - uses this hardware. - -config BACKLIGHT_HP680 - tristate "HP Jornada 680 Backlight Driver" - depends on SH_HP6XX - default y - help - If you have a HP Jornada 680, say y to enable the - backlight driver. - -config BACKLIGHT_HP700 - tristate "HP Jornada 700 series Backlight Driver" - depends on SA1100_JORNADA720_SSP && !PREEMPT - default y - help - If you have an HP Jornada 700 series, - say Y to include backlight control driver. - -config BACKLIGHT_PROGEAR - tristate "Frontpath ProGear Backlight Driver" - depends on PCI && X86 - help - If you have a Frontpath ProGear say Y to enable the - backlight driver. - -config BACKLIGHT_CARILLO_RANCH - tristate "Intel Carillo Ranch Backlight Driver" - depends on LCD_CLASS_DEVICE && PCI && X86 && FB_LE80578 - help - If you have a Intel LE80578 (Carillo Ranch) say Y to enable the - backlight driver. - -config BACKLIGHT_PWM - tristate "Generic PWM based Backlight Driver" - depends on HAVE_PWM - help - If you have a LCD backlight adjustable by PWM, say Y to enable - this driver. - -config BACKLIGHT_DA903X - tristate "Backlight Driver for DA9030/DA9034 using WLED" - depends on PMIC_DA903X - help - If you have a LCD backlight connected to the WLED output of DA9030 - or DA9034 WLED output, say Y here to enable this driver. - -config BACKLIGHT_DA9052 - tristate "Dialog DA9052/DA9053 WLED" - depends on PMIC_DA9052 - help - Enable the Backlight Driver for DA9052-BC and DA9053-AA/Bx PMICs. - -config BACKLIGHT_MAX8925 - tristate "Backlight driver for MAX8925" - depends on MFD_MAX8925 - help - If you have a LCD backlight connected to the WLED output of MAX8925 - WLED output, say Y here to enable this driver. - -config BACKLIGHT_APPLE - tristate "Apple Backlight Driver" - depends on X86 && ACPI - help - If you have an Intel-based Apple say Y to enable a driver for its - backlight. - -config BACKLIGHT_TOSA - tristate "Sharp SL-6000 Backlight Driver" - depends on I2C && MACH_TOSA && LCD_TOSA - help - If you have an Sharp SL-6000 Zaurus say Y to enable a driver - for its backlight - -config BACKLIGHT_SAHARA - tristate "Tabletkiosk Sahara Touch-iT Backlight Driver" - depends on X86 - help - If you have a Tabletkiosk Sahara Touch-iT, say y to enable the - backlight driver. - -config BACKLIGHT_WM831X - tristate "WM831x PMIC Backlight Driver" - depends on MFD_WM831X - help - If you have a backlight driven by the ISINK and DCDC of a - WM831x PMIC say y to enable the backlight driver for it. - -config BACKLIGHT_ADP5520 - tristate "Backlight Driver for ADP5520/ADP5501 using WLED" - depends on PMIC_ADP5520 - help - If you have a LCD backlight connected to the BST/BL_SNK output of - ADP5520 or ADP5501, say Y here to enable this driver. - - To compile this driver as a module, choose M here: the module will - be called adp5520_bl. - -config BACKLIGHT_ADP8860 - tristate "Backlight Driver for ADP8860/ADP8861/ADP8863 using WLED" - depends on BACKLIGHT_CLASS_DEVICE && I2C - select NEW_LEDS - select LEDS_CLASS - help - If you have a LCD backlight connected to the ADP8860, ADP8861 or - ADP8863 say Y here to enable this driver. - - To compile this driver as a module, choose M here: the module will - be called adp8860_bl. - -config BACKLIGHT_ADP8870 - tristate "Backlight Driver for ADP8870 using WLED" - depends on BACKLIGHT_CLASS_DEVICE && I2C - select NEW_LEDS - select LEDS_CLASS - help - If you have a LCD backlight connected to the ADP8870, - say Y here to enable this driver. - - To compile this driver as a module, choose M here: the module will - be called adp8870_bl. - -config BACKLIGHT_88PM860X - tristate "Backlight Driver for 88PM8606 using WLED" - depends on MFD_88PM860X - help - Say Y to enable the backlight driver for Marvell 88PM8606. - -config BACKLIGHT_PCF50633 - tristate "Backlight driver for NXP PCF50633 MFD" - depends on BACKLIGHT_CLASS_DEVICE && MFD_PCF50633 - help - If you have a backlight driven by a NXP PCF50633 MFD, say Y here to - enable its driver. - -config BACKLIGHT_AAT2870 - tristate "AnalogicTech AAT2870 Backlight" - depends on BACKLIGHT_CLASS_DEVICE && MFD_AAT2870_CORE - help - If you have a AnalogicTech AAT2870 say Y to enable the - backlight driver. - -config BACKLIGHT_LP855X - tristate "Backlight driver for TI LP855X" - depends on BACKLIGHT_CLASS_DEVICE && I2C - help - This supports TI LP8550, LP8551, LP8552, LP8553 and LP8556 - backlight driver. - -config BACKLIGHT_OT200 - tristate "Backlight driver for ot200 visualisation device" - depends on BACKLIGHT_CLASS_DEVICE && CS5535_MFGPT && GPIO_CS5535 - help - To compile this driver as a module, choose M here: the module will be - called ot200_bl. - -config BACKLIGHT_PANDORA - tristate "Backlight driver for Pandora console" - depends on TWL4030_CORE - help - If you have a Pandora console, say Y to enable the - backlight driver. - -endif # BACKLIGHT_CLASS_DEVICE - -endif # BACKLIGHT_LCD_SUPPORT diff --git a/ANDROID_3.4.5/drivers/video/backlight/Makefile b/ANDROID_3.4.5/drivers/video/backlight/Makefile deleted file mode 100644 index 622f0008..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/Makefile +++ /dev/null @@ -1,46 +0,0 @@ -# Backlight & LCD drivers - -obj-$(CONFIG_LCD_CLASS_DEVICE) += lcd.o -obj-$(CONFIG_LCD_CORGI) += corgi_lcd.o -obj-$(CONFIG_LCD_HP700) += jornada720_lcd.o -obj-$(CONFIG_LCD_L4F00242T03) += l4f00242t03.o -obj-$(CONFIG_LCD_LMS283GF05) += lms283gf05.o -obj-$(CONFIG_LCD_LTV350QV) += ltv350qv.o -obj-$(CONFIG_LCD_ILI9320) += ili9320.o -obj-$(CONFIG_LCD_PLATFORM) += platform_lcd.o -obj-$(CONFIG_LCD_VGG2432A4) += vgg2432a4.o -obj-$(CONFIG_LCD_TDO24M) += tdo24m.o -obj-$(CONFIG_LCD_TOSA) += tosa_lcd.o -obj-$(CONFIG_LCD_S6E63M0) += s6e63m0.o -obj-$(CONFIG_LCD_LD9040) += ld9040.o -obj-$(CONFIG_LCD_AMS369FG06) += ams369fg06.o - -obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o -obj-$(CONFIG_BACKLIGHT_ATMEL_PWM) += atmel-pwm-bl.o -obj-$(CONFIG_BACKLIGHT_EP93XX) += ep93xx_bl.o -obj-$(CONFIG_BACKLIGHT_GENERIC) += generic_bl.o -obj-$(CONFIG_BACKLIGHT_HP700) += jornada720_bl.o -obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o -obj-$(CONFIG_BACKLIGHT_LOCOMO) += locomolcd.o -obj-$(CONFIG_BACKLIGHT_LP855X) += lp855x_bl.o -obj-$(CONFIG_BACKLIGHT_OMAP1) += omap1_bl.o -obj-$(CONFIG_BACKLIGHT_PANDORA) += pandora_bl.o -obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o -obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o -obj-$(CONFIG_BACKLIGHT_PWM) += pwm_bl.o -obj-$(CONFIG_BACKLIGHT_DA903X) += da903x_bl.o -obj-$(CONFIG_BACKLIGHT_DA9052) += da9052_bl.o -obj-$(CONFIG_BACKLIGHT_MAX8925) += max8925_bl.o -obj-$(CONFIG_BACKLIGHT_APPLE) += apple_bl.o -obj-$(CONFIG_BACKLIGHT_TOSA) += tosa_bl.o -obj-$(CONFIG_BACKLIGHT_SAHARA) += kb3886_bl.o -obj-$(CONFIG_BACKLIGHT_WM831X) += wm831x_bl.o -obj-$(CONFIG_BACKLIGHT_ADP5520) += adp5520_bl.o -obj-$(CONFIG_BACKLIGHT_ADP8860) += adp8860_bl.o -obj-$(CONFIG_BACKLIGHT_ADP8870) += adp8870_bl.o -obj-$(CONFIG_BACKLIGHT_88PM860X) += 88pm860x_bl.o -obj-$(CONFIG_BACKLIGHT_PCF50633) += pcf50633-backlight.o -obj-$(CONFIG_BACKLIGHT_AAT2870) += aat2870_bl.o -obj-$(CONFIG_BACKLIGHT_OT200) += ot200_bl.o -#obj-$(CONFIG_BACKLIGHT_WMT) += wmt_bl.o -obj-y += wmt_bl.o diff --git a/ANDROID_3.4.5/drivers/video/backlight/aat2870_bl.c b/ANDROID_3.4.5/drivers/video/backlight/aat2870_bl.c deleted file mode 100644 index 7ff75228..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/aat2870_bl.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - * linux/drivers/video/backlight/aat2870_bl.c - * - * Copyright (c) 2011, NVIDIA Corporation. - * Author: Jin Park <jinyoungp@nvidia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/mutex.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/mfd/aat2870.h> - -struct aat2870_bl_driver_data { - struct platform_device *pdev; - struct backlight_device *bd; - - int channels; - int max_current; - int brightness; /* current brightness */ -}; - -static inline int aat2870_brightness(struct aat2870_bl_driver_data *aat2870_bl, - int brightness) -{ - struct backlight_device *bd = aat2870_bl->bd; - int val; - - val = brightness * (aat2870_bl->max_current - 1); - val /= bd->props.max_brightness; - - return val; -} - -static inline int aat2870_bl_enable(struct aat2870_bl_driver_data *aat2870_bl) -{ - struct aat2870_data *aat2870 - = dev_get_drvdata(aat2870_bl->pdev->dev.parent); - - return aat2870->write(aat2870, AAT2870_BL_CH_EN, - (u8)aat2870_bl->channels); -} - -static inline int aat2870_bl_disable(struct aat2870_bl_driver_data *aat2870_bl) -{ - struct aat2870_data *aat2870 - = dev_get_drvdata(aat2870_bl->pdev->dev.parent); - - return aat2870->write(aat2870, AAT2870_BL_CH_EN, 0x0); -} - -static int aat2870_bl_get_brightness(struct backlight_device *bd) -{ - return bd->props.brightness; -} - -static int aat2870_bl_update_status(struct backlight_device *bd) -{ - struct aat2870_bl_driver_data *aat2870_bl = dev_get_drvdata(&bd->dev); - struct aat2870_data *aat2870 = - dev_get_drvdata(aat2870_bl->pdev->dev.parent); - int brightness = bd->props.brightness; - int ret; - - if ((brightness < 0) || (bd->props.max_brightness < brightness)) { - dev_err(&bd->dev, "invalid brightness, %d\n", brightness); - return -EINVAL; - } - - dev_dbg(&bd->dev, "brightness=%d, power=%d, state=%d\n", - bd->props.brightness, bd->props.power, bd->props.state); - - if ((bd->props.power != FB_BLANK_UNBLANK) || - (bd->props.state & BL_CORE_FBBLANK) || - (bd->props.state & BL_CORE_SUSPENDED)) - brightness = 0; - - ret = aat2870->write(aat2870, AAT2870_BLM, - (u8)aat2870_brightness(aat2870_bl, brightness)); - if (ret < 0) - return ret; - - if (brightness == 0) { - ret = aat2870_bl_disable(aat2870_bl); - if (ret < 0) - return ret; - } else if (aat2870_bl->brightness == 0) { - ret = aat2870_bl_enable(aat2870_bl); - if (ret < 0) - return ret; - } - - aat2870_bl->brightness = brightness; - - return 0; -} - -static int aat2870_bl_check_fb(struct backlight_device *bd, struct fb_info *fi) -{ - return 1; -} - -static const struct backlight_ops aat2870_bl_ops = { - .options = BL_CORE_SUSPENDRESUME, - .get_brightness = aat2870_bl_get_brightness, - .update_status = aat2870_bl_update_status, - .check_fb = aat2870_bl_check_fb, -}; - -static int aat2870_bl_probe(struct platform_device *pdev) -{ - struct aat2870_bl_platform_data *pdata = pdev->dev.platform_data; - struct aat2870_bl_driver_data *aat2870_bl; - struct backlight_device *bd; - struct backlight_properties props; - int ret = 0; - - if (!pdata) { - dev_err(&pdev->dev, "No platform data\n"); - ret = -ENXIO; - goto out; - } - - if (pdev->id != AAT2870_ID_BL) { - dev_err(&pdev->dev, "Invalid device ID, %d\n", pdev->id); - ret = -EINVAL; - goto out; - } - - aat2870_bl = devm_kzalloc(&pdev->dev, - sizeof(struct aat2870_bl_driver_data), - GFP_KERNEL); - if (!aat2870_bl) { - dev_err(&pdev->dev, - "Failed to allocate memory for aat2870 backlight\n"); - ret = -ENOMEM; - goto out; - } - - memset(&props, 0, sizeof(struct backlight_properties)); - - props.type = BACKLIGHT_RAW; - bd = backlight_device_register("aat2870-backlight", &pdev->dev, - aat2870_bl, &aat2870_bl_ops, &props); - if (IS_ERR(bd)) { - dev_err(&pdev->dev, - "Failed allocate memory for backlight device\n"); - ret = PTR_ERR(bd); - goto out; - } - - aat2870_bl->pdev = pdev; - platform_set_drvdata(pdev, aat2870_bl); - - aat2870_bl->bd = bd; - - if (pdata->channels > 0) - aat2870_bl->channels = pdata->channels; - else - aat2870_bl->channels = AAT2870_BL_CH_ALL; - - if (pdata->max_current > 0) - aat2870_bl->max_current = pdata->max_current; - else - aat2870_bl->max_current = AAT2870_CURRENT_27_9; - - if (pdata->max_brightness > 0) - bd->props.max_brightness = pdata->max_brightness; - else - bd->props.max_brightness = 255; - - aat2870_bl->brightness = 0; - bd->props.power = FB_BLANK_UNBLANK; - bd->props.brightness = bd->props.max_brightness; - - ret = aat2870_bl_update_status(bd); - if (ret < 0) { - dev_err(&pdev->dev, "Failed to initialize\n"); - goto out_bl_dev_unregister; - } - - return 0; - -out_bl_dev_unregister: - backlight_device_unregister(bd); -out: - return ret; -} - -static int aat2870_bl_remove(struct platform_device *pdev) -{ - struct aat2870_bl_driver_data *aat2870_bl = platform_get_drvdata(pdev); - struct backlight_device *bd = aat2870_bl->bd; - - bd->props.power = FB_BLANK_POWERDOWN; - bd->props.brightness = 0; - backlight_update_status(bd); - - backlight_device_unregister(bd); - - return 0; -} - -static struct platform_driver aat2870_bl_driver = { - .driver = { - .name = "aat2870-backlight", - .owner = THIS_MODULE, - }, - .probe = aat2870_bl_probe, - .remove = aat2870_bl_remove, -}; - -static int __init aat2870_bl_init(void) -{ - return platform_driver_register(&aat2870_bl_driver); -} -subsys_initcall(aat2870_bl_init); - -static void __exit aat2870_bl_exit(void) -{ - platform_driver_unregister(&aat2870_bl_driver); -} -module_exit(aat2870_bl_exit); - -MODULE_DESCRIPTION("AnalogicTech AAT2870 Backlight"); -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Jin Park <jinyoungp@nvidia.com>"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/adp5520_bl.c b/ANDROID_3.4.5/drivers/video/backlight/adp5520_bl.c deleted file mode 100644 index 4911ea79..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/adp5520_bl.c +++ /dev/null @@ -1,388 +0,0 @@ -/* - * Backlight driver for Analog Devices ADP5520/ADP5501 MFD PMICs - * - * Copyright 2009 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/mfd/adp5520.h> -#include <linux/slab.h> -#include <linux/module.h> - -struct adp5520_bl { - struct device *master; - struct adp5520_backlight_platform_data *pdata; - struct mutex lock; - unsigned long cached_daylight_max; - int id; - int current_brightness; -}; - -static int adp5520_bl_set(struct backlight_device *bl, int brightness) -{ - struct adp5520_bl *data = bl_get_data(bl); - struct device *master = data->master; - int ret = 0; - - if (data->pdata->en_ambl_sens) { - if ((brightness > 0) && (brightness < ADP5020_MAX_BRIGHTNESS)) { - /* Disable Ambient Light auto adjust */ - ret |= adp5520_clr_bits(master, ADP5520_BL_CONTROL, - ADP5520_BL_AUTO_ADJ); - ret |= adp5520_write(master, ADP5520_DAYLIGHT_MAX, - brightness); - } else { - /* - * MAX_BRIGHTNESS -> Enable Ambient Light auto adjust - * restore daylight l3 sysfs brightness - */ - ret |= adp5520_write(master, ADP5520_DAYLIGHT_MAX, - data->cached_daylight_max); - ret |= adp5520_set_bits(master, ADP5520_BL_CONTROL, - ADP5520_BL_AUTO_ADJ); - } - } else { - ret |= adp5520_write(master, ADP5520_DAYLIGHT_MAX, brightness); - } - - if (data->current_brightness && brightness == 0) - ret |= adp5520_set_bits(master, - ADP5520_MODE_STATUS, ADP5520_DIM_EN); - else if (data->current_brightness == 0 && brightness) - ret |= adp5520_clr_bits(master, - ADP5520_MODE_STATUS, ADP5520_DIM_EN); - - if (!ret) - data->current_brightness = brightness; - - return ret; -} - -static int adp5520_bl_update_status(struct backlight_device *bl) -{ - int brightness = bl->props.brightness; - if (bl->props.power != FB_BLANK_UNBLANK) - brightness = 0; - - if (bl->props.fb_blank != FB_BLANK_UNBLANK) - brightness = 0; - - return adp5520_bl_set(bl, brightness); -} - -static int adp5520_bl_get_brightness(struct backlight_device *bl) -{ - struct adp5520_bl *data = bl_get_data(bl); - int error; - uint8_t reg_val; - - error = adp5520_read(data->master, ADP5520_BL_VALUE, ®_val); - - return error ? data->current_brightness : reg_val; -} - -static const struct backlight_ops adp5520_bl_ops = { - .update_status = adp5520_bl_update_status, - .get_brightness = adp5520_bl_get_brightness, -}; - -static int adp5520_bl_setup(struct backlight_device *bl) -{ - struct adp5520_bl *data = bl_get_data(bl); - struct device *master = data->master; - struct adp5520_backlight_platform_data *pdata = data->pdata; - int ret = 0; - - ret |= adp5520_write(master, ADP5520_DAYLIGHT_MAX, - pdata->l1_daylight_max); - ret |= adp5520_write(master, ADP5520_DAYLIGHT_DIM, - pdata->l1_daylight_dim); - - if (pdata->en_ambl_sens) { - data->cached_daylight_max = pdata->l1_daylight_max; - ret |= adp5520_write(master, ADP5520_OFFICE_MAX, - pdata->l2_office_max); - ret |= adp5520_write(master, ADP5520_OFFICE_DIM, - pdata->l2_office_dim); - ret |= adp5520_write(master, ADP5520_DARK_MAX, - pdata->l3_dark_max); - ret |= adp5520_write(master, ADP5520_DARK_DIM, - pdata->l3_dark_dim); - ret |= adp5520_write(master, ADP5520_L2_TRIP, - pdata->l2_trip); - ret |= adp5520_write(master, ADP5520_L2_HYS, - pdata->l2_hyst); - ret |= adp5520_write(master, ADP5520_L3_TRIP, - pdata->l3_trip); - ret |= adp5520_write(master, ADP5520_L3_HYS, - pdata->l3_hyst); - ret |= adp5520_write(master, ADP5520_ALS_CMPR_CFG, - ALS_CMPR_CFG_VAL(pdata->abml_filt, - ADP5520_L3_EN)); - } - - ret |= adp5520_write(master, ADP5520_BL_CONTROL, - BL_CTRL_VAL(pdata->fade_led_law, - pdata->en_ambl_sens)); - - ret |= adp5520_write(master, ADP5520_BL_FADE, FADE_VAL(pdata->fade_in, - pdata->fade_out)); - - ret |= adp5520_set_bits(master, ADP5520_MODE_STATUS, - ADP5520_BL_EN | ADP5520_DIM_EN); - - return ret; -} - -static ssize_t adp5520_show(struct device *dev, char *buf, int reg) -{ - struct adp5520_bl *data = dev_get_drvdata(dev); - int error; - uint8_t reg_val; - - mutex_lock(&data->lock); - error = adp5520_read(data->master, reg, ®_val); - mutex_unlock(&data->lock); - - return sprintf(buf, "%u\n", reg_val); -} - -static ssize_t adp5520_store(struct device *dev, const char *buf, - size_t count, int reg) -{ - struct adp5520_bl *data = dev_get_drvdata(dev); - unsigned long val; - int ret; - - ret = strict_strtoul(buf, 10, &val); - if (ret) - return ret; - - mutex_lock(&data->lock); - adp5520_write(data->master, reg, val); - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t adp5520_bl_dark_max_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp5520_show(dev, buf, ADP5520_DARK_MAX); -} - -static ssize_t adp5520_bl_dark_max_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return adp5520_store(dev, buf, count, ADP5520_DARK_MAX); -} -static DEVICE_ATTR(dark_max, 0664, adp5520_bl_dark_max_show, - adp5520_bl_dark_max_store); - -static ssize_t adp5520_bl_office_max_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp5520_show(dev, buf, ADP5520_OFFICE_MAX); -} - -static ssize_t adp5520_bl_office_max_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return adp5520_store(dev, buf, count, ADP5520_OFFICE_MAX); -} -static DEVICE_ATTR(office_max, 0664, adp5520_bl_office_max_show, - adp5520_bl_office_max_store); - -static ssize_t adp5520_bl_daylight_max_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp5520_show(dev, buf, ADP5520_DAYLIGHT_MAX); -} - -static ssize_t adp5520_bl_daylight_max_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct adp5520_bl *data = dev_get_drvdata(dev); - int ret; - - ret = strict_strtoul(buf, 10, &data->cached_daylight_max); - if (ret < 0) - return ret; - - return adp5520_store(dev, buf, count, ADP5520_DAYLIGHT_MAX); -} -static DEVICE_ATTR(daylight_max, 0664, adp5520_bl_daylight_max_show, - adp5520_bl_daylight_max_store); - -static ssize_t adp5520_bl_dark_dim_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp5520_show(dev, buf, ADP5520_DARK_DIM); -} - -static ssize_t adp5520_bl_dark_dim_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return adp5520_store(dev, buf, count, ADP5520_DARK_DIM); -} -static DEVICE_ATTR(dark_dim, 0664, adp5520_bl_dark_dim_show, - adp5520_bl_dark_dim_store); - -static ssize_t adp5520_bl_office_dim_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp5520_show(dev, buf, ADP5520_OFFICE_DIM); -} - -static ssize_t adp5520_bl_office_dim_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return adp5520_store(dev, buf, count, ADP5520_OFFICE_DIM); -} -static DEVICE_ATTR(office_dim, 0664, adp5520_bl_office_dim_show, - adp5520_bl_office_dim_store); - -static ssize_t adp5520_bl_daylight_dim_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp5520_show(dev, buf, ADP5520_DAYLIGHT_DIM); -} - -static ssize_t adp5520_bl_daylight_dim_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return adp5520_store(dev, buf, count, ADP5520_DAYLIGHT_DIM); -} -static DEVICE_ATTR(daylight_dim, 0664, adp5520_bl_daylight_dim_show, - adp5520_bl_daylight_dim_store); - -static struct attribute *adp5520_bl_attributes[] = { - &dev_attr_dark_max.attr, - &dev_attr_dark_dim.attr, - &dev_attr_office_max.attr, - &dev_attr_office_dim.attr, - &dev_attr_daylight_max.attr, - &dev_attr_daylight_dim.attr, - NULL -}; - -static const struct attribute_group adp5520_bl_attr_group = { - .attrs = adp5520_bl_attributes, -}; - -static int __devinit adp5520_bl_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - struct backlight_device *bl; - struct adp5520_bl *data; - int ret = 0; - - data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); - if (data == NULL) - return -ENOMEM; - - data->master = pdev->dev.parent; - data->pdata = pdev->dev.platform_data; - - if (data->pdata == NULL) { - dev_err(&pdev->dev, "missing platform data\n"); - return -ENODEV; - } - - data->id = pdev->id; - data->current_brightness = 0; - - mutex_init(&data->lock); - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = ADP5020_MAX_BRIGHTNESS; - bl = backlight_device_register(pdev->name, data->master, data, - &adp5520_bl_ops, &props); - if (IS_ERR(bl)) { - dev_err(&pdev->dev, "failed to register backlight\n"); - return PTR_ERR(bl); - } - - bl->props.brightness = ADP5020_MAX_BRIGHTNESS; - if (data->pdata->en_ambl_sens) - ret = sysfs_create_group(&bl->dev.kobj, - &adp5520_bl_attr_group); - - if (ret) { - dev_err(&pdev->dev, "failed to register sysfs\n"); - backlight_device_unregister(bl); - } - - platform_set_drvdata(pdev, bl); - ret |= adp5520_bl_setup(bl); - backlight_update_status(bl); - - return ret; -} - -static int __devexit adp5520_bl_remove(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - struct adp5520_bl *data = bl_get_data(bl); - - adp5520_clr_bits(data->master, ADP5520_MODE_STATUS, ADP5520_BL_EN); - - if (data->pdata->en_ambl_sens) - sysfs_remove_group(&bl->dev.kobj, - &adp5520_bl_attr_group); - - backlight_device_unregister(bl); - - return 0; -} - -#ifdef CONFIG_PM -static int adp5520_bl_suspend(struct platform_device *pdev, - pm_message_t state) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - return adp5520_bl_set(bl, 0); -} - -static int adp5520_bl_resume(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - - backlight_update_status(bl); - return 0; -} -#else -#define adp5520_bl_suspend NULL -#define adp5520_bl_resume NULL -#endif - -static struct platform_driver adp5520_bl_driver = { - .driver = { - .name = "adp5520-backlight", - .owner = THIS_MODULE, - }, - .probe = adp5520_bl_probe, - .remove = __devexit_p(adp5520_bl_remove), - .suspend = adp5520_bl_suspend, - .resume = adp5520_bl_resume, -}; - -module_platform_driver(adp5520_bl_driver); - -MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); -MODULE_DESCRIPTION("ADP5520(01) Backlight Driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:adp5520-backlight"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/adp8860_bl.c b/ANDROID_3.4.5/drivers/video/backlight/adp8860_bl.c deleted file mode 100644 index 550dbf0b..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/adp8860_bl.c +++ /dev/null @@ -1,827 +0,0 @@ -/* - * Backlight driver for Analog Devices ADP8860 Backlight Devices - * - * Copyright 2009-2010 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/pm.h> -#include <linux/platform_device.h> -#include <linux/i2c.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/leds.h> -#include <linux/slab.h> -#include <linux/workqueue.h> - -#include <linux/i2c/adp8860.h> -#define ADP8860_EXT_FEATURES -#define ADP8860_USE_LEDS - -#define ADP8860_MFDVID 0x00 /* Manufacturer and device ID */ -#define ADP8860_MDCR 0x01 /* Device mode and status */ -#define ADP8860_MDCR2 0x02 /* Device mode and Status Register 2 */ -#define ADP8860_INTR_EN 0x03 /* Interrupts enable */ -#define ADP8860_CFGR 0x04 /* Configuration register */ -#define ADP8860_BLSEN 0x05 /* Sink enable backlight or independent */ -#define ADP8860_BLOFF 0x06 /* Backlight off timeout */ -#define ADP8860_BLDIM 0x07 /* Backlight dim timeout */ -#define ADP8860_BLFR 0x08 /* Backlight fade in and out rates */ -#define ADP8860_BLMX1 0x09 /* Backlight (Brightness Level 1-daylight) maximum current */ -#define ADP8860_BLDM1 0x0A /* Backlight (Brightness Level 1-daylight) dim current */ -#define ADP8860_BLMX2 0x0B /* Backlight (Brightness Level 2-office) maximum current */ -#define ADP8860_BLDM2 0x0C /* Backlight (Brightness Level 2-office) dim current */ -#define ADP8860_BLMX3 0x0D /* Backlight (Brightness Level 3-dark) maximum current */ -#define ADP8860_BLDM3 0x0E /* Backlight (Brightness Level 3-dark) dim current */ -#define ADP8860_ISCFR 0x0F /* Independent sink current fade control register */ -#define ADP8860_ISCC 0x10 /* Independent sink current control register */ -#define ADP8860_ISCT1 0x11 /* Independent Sink Current Timer Register LED[7:5] */ -#define ADP8860_ISCT2 0x12 /* Independent Sink Current Timer Register LED[4:1] */ -#define ADP8860_ISCF 0x13 /* Independent sink current fade register */ -#define ADP8860_ISC7 0x14 /* Independent Sink Current LED7 */ -#define ADP8860_ISC6 0x15 /* Independent Sink Current LED6 */ -#define ADP8860_ISC5 0x16 /* Independent Sink Current LED5 */ -#define ADP8860_ISC4 0x17 /* Independent Sink Current LED4 */ -#define ADP8860_ISC3 0x18 /* Independent Sink Current LED3 */ -#define ADP8860_ISC2 0x19 /* Independent Sink Current LED2 */ -#define ADP8860_ISC1 0x1A /* Independent Sink Current LED1 */ -#define ADP8860_CCFG 0x1B /* Comparator configuration */ -#define ADP8860_CCFG2 0x1C /* Second comparator configuration */ -#define ADP8860_L2_TRP 0x1D /* L2 comparator reference */ -#define ADP8860_L2_HYS 0x1E /* L2 hysteresis */ -#define ADP8860_L3_TRP 0x1F /* L3 comparator reference */ -#define ADP8860_L3_HYS 0x20 /* L3 hysteresis */ -#define ADP8860_PH1LEVL 0x21 /* First phototransistor ambient light level-low byte register */ -#define ADP8860_PH1LEVH 0x22 /* First phototransistor ambient light level-high byte register */ -#define ADP8860_PH2LEVL 0x23 /* Second phototransistor ambient light level-low byte register */ -#define ADP8860_PH2LEVH 0x24 /* Second phototransistor ambient light level-high byte register */ - -#define ADP8860_MANUFID 0x0 /* Analog Devices ADP8860 Manufacturer ID */ -#define ADP8861_MANUFID 0x4 /* Analog Devices ADP8861 Manufacturer ID */ -#define ADP8863_MANUFID 0x2 /* Analog Devices ADP8863 Manufacturer ID */ - -#define ADP8860_DEVID(x) ((x) & 0xF) -#define ADP8860_MANID(x) ((x) >> 4) - -/* MDCR Device mode and status */ -#define INT_CFG (1 << 6) -#define NSTBY (1 << 5) -#define DIM_EN (1 << 4) -#define GDWN_DIS (1 << 3) -#define SIS_EN (1 << 2) -#define CMP_AUTOEN (1 << 1) -#define BLEN (1 << 0) - -/* ADP8860_CCFG Main ALS comparator level enable */ -#define L3_EN (1 << 1) -#define L2_EN (1 << 0) - -#define CFGR_BLV_SHIFT 3 -#define CFGR_BLV_MASK 0x3 -#define ADP8860_FLAG_LED_MASK 0xFF - -#define FADE_VAL(in, out) ((0xF & (in)) | ((0xF & (out)) << 4)) -#define BL_CFGR_VAL(law, blv) ((((blv) & CFGR_BLV_MASK) << CFGR_BLV_SHIFT) | ((0x3 & (law)) << 1)) -#define ALS_CCFG_VAL(filt) ((0x7 & filt) << 5) - -enum { - adp8860, - adp8861, - adp8863 -}; - -struct adp8860_led { - struct led_classdev cdev; - struct work_struct work; - struct i2c_client *client; - enum led_brightness new_brightness; - int id; - int flags; -}; - -struct adp8860_bl { - struct i2c_client *client; - struct backlight_device *bl; - struct adp8860_led *led; - struct adp8860_backlight_platform_data *pdata; - struct mutex lock; - unsigned long cached_daylight_max; - int id; - int revid; - int current_brightness; - unsigned en_ambl_sens:1; - unsigned gdwn_dis:1; -}; - -static int adp8860_read(struct i2c_client *client, int reg, uint8_t *val) -{ - int ret; - - ret = i2c_smbus_read_byte_data(client, reg); - if (ret < 0) { - dev_err(&client->dev, "failed reading at 0x%02x\n", reg); - return ret; - } - - *val = (uint8_t)ret; - return 0; -} - -static int adp8860_write(struct i2c_client *client, u8 reg, u8 val) -{ - return i2c_smbus_write_byte_data(client, reg, val); -} - -static int adp8860_set_bits(struct i2c_client *client, int reg, uint8_t bit_mask) -{ - struct adp8860_bl *data = i2c_get_clientdata(client); - uint8_t reg_val; - int ret; - - mutex_lock(&data->lock); - - ret = adp8860_read(client, reg, ®_val); - - if (!ret && ((reg_val & bit_mask) != bit_mask)) { - reg_val |= bit_mask; - ret = adp8860_write(client, reg, reg_val); - } - - mutex_unlock(&data->lock); - return ret; -} - -static int adp8860_clr_bits(struct i2c_client *client, int reg, uint8_t bit_mask) -{ - struct adp8860_bl *data = i2c_get_clientdata(client); - uint8_t reg_val; - int ret; - - mutex_lock(&data->lock); - - ret = adp8860_read(client, reg, ®_val); - - if (!ret && (reg_val & bit_mask)) { - reg_val &= ~bit_mask; - ret = adp8860_write(client, reg, reg_val); - } - - mutex_unlock(&data->lock); - return ret; -} - -/* - * Independent sink / LED - */ -#if defined(ADP8860_USE_LEDS) -static void adp8860_led_work(struct work_struct *work) -{ - struct adp8860_led *led = container_of(work, struct adp8860_led, work); - adp8860_write(led->client, ADP8860_ISC1 - led->id + 1, - led->new_brightness >> 1); -} - -static void adp8860_led_set(struct led_classdev *led_cdev, - enum led_brightness value) -{ - struct adp8860_led *led; - - led = container_of(led_cdev, struct adp8860_led, cdev); - led->new_brightness = value; - schedule_work(&led->work); -} - -static int adp8860_led_setup(struct adp8860_led *led) -{ - struct i2c_client *client = led->client; - int ret = 0; - - ret = adp8860_write(client, ADP8860_ISC1 - led->id + 1, 0); - ret |= adp8860_set_bits(client, ADP8860_ISCC, 1 << (led->id - 1)); - - if (led->id > 4) - ret |= adp8860_set_bits(client, ADP8860_ISCT1, - (led->flags & 0x3) << ((led->id - 5) * 2)); - else - ret |= adp8860_set_bits(client, ADP8860_ISCT2, - (led->flags & 0x3) << ((led->id - 1) * 2)); - - return ret; -} - -static int __devinit adp8860_led_probe(struct i2c_client *client) -{ - struct adp8860_backlight_platform_data *pdata = - client->dev.platform_data; - struct adp8860_bl *data = i2c_get_clientdata(client); - struct adp8860_led *led, *led_dat; - struct led_info *cur_led; - int ret, i; - - led = kzalloc(sizeof(*led) * pdata->num_leds, GFP_KERNEL); - if (led == NULL) { - dev_err(&client->dev, "failed to alloc memory\n"); - return -ENOMEM; - } - - ret = adp8860_write(client, ADP8860_ISCFR, pdata->led_fade_law); - ret = adp8860_write(client, ADP8860_ISCT1, - (pdata->led_on_time & 0x3) << 6); - ret |= adp8860_write(client, ADP8860_ISCF, - FADE_VAL(pdata->led_fade_in, pdata->led_fade_out)); - - if (ret) { - dev_err(&client->dev, "failed to write\n"); - goto err_free; - } - - for (i = 0; i < pdata->num_leds; ++i) { - cur_led = &pdata->leds[i]; - led_dat = &led[i]; - - led_dat->id = cur_led->flags & ADP8860_FLAG_LED_MASK; - - if (led_dat->id > 7 || led_dat->id < 1) { - dev_err(&client->dev, "Invalid LED ID %d\n", - led_dat->id); - goto err; - } - - if (pdata->bl_led_assign & (1 << (led_dat->id - 1))) { - dev_err(&client->dev, "LED %d used by Backlight\n", - led_dat->id); - goto err; - } - - led_dat->cdev.name = cur_led->name; - led_dat->cdev.default_trigger = cur_led->default_trigger; - led_dat->cdev.brightness_set = adp8860_led_set; - led_dat->cdev.brightness = LED_OFF; - led_dat->flags = cur_led->flags >> FLAG_OFFT_SHIFT; - led_dat->client = client; - led_dat->new_brightness = LED_OFF; - INIT_WORK(&led_dat->work, adp8860_led_work); - - ret = led_classdev_register(&client->dev, &led_dat->cdev); - if (ret) { - dev_err(&client->dev, "failed to register LED %d\n", - led_dat->id); - goto err; - } - - ret = adp8860_led_setup(led_dat); - if (ret) { - dev_err(&client->dev, "failed to write\n"); - i++; - goto err; - } - } - - data->led = led; - - return 0; - - err: - for (i = i - 1; i >= 0; --i) { - led_classdev_unregister(&led[i].cdev); - cancel_work_sync(&led[i].work); - } - - err_free: - kfree(led); - - return ret; -} - -static int __devexit adp8860_led_remove(struct i2c_client *client) -{ - struct adp8860_backlight_platform_data *pdata = - client->dev.platform_data; - struct adp8860_bl *data = i2c_get_clientdata(client); - int i; - - for (i = 0; i < pdata->num_leds; i++) { - led_classdev_unregister(&data->led[i].cdev); - cancel_work_sync(&data->led[i].work); - } - - kfree(data->led); - return 0; -} -#else -static int __devinit adp8860_led_probe(struct i2c_client *client) -{ - return 0; -} - -static int __devexit adp8860_led_remove(struct i2c_client *client) -{ - return 0; -} -#endif - -static int adp8860_bl_set(struct backlight_device *bl, int brightness) -{ - struct adp8860_bl *data = bl_get_data(bl); - struct i2c_client *client = data->client; - int ret = 0; - - if (data->en_ambl_sens) { - if ((brightness > 0) && (brightness < ADP8860_MAX_BRIGHTNESS)) { - /* Disable Ambient Light auto adjust */ - ret |= adp8860_clr_bits(client, ADP8860_MDCR, - CMP_AUTOEN); - ret |= adp8860_write(client, ADP8860_BLMX1, brightness); - } else { - /* - * MAX_BRIGHTNESS -> Enable Ambient Light auto adjust - * restore daylight l1 sysfs brightness - */ - ret |= adp8860_write(client, ADP8860_BLMX1, - data->cached_daylight_max); - ret |= adp8860_set_bits(client, ADP8860_MDCR, - CMP_AUTOEN); - } - } else - ret |= adp8860_write(client, ADP8860_BLMX1, brightness); - - if (data->current_brightness && brightness == 0) - ret |= adp8860_set_bits(client, - ADP8860_MDCR, DIM_EN); - else if (data->current_brightness == 0 && brightness) - ret |= adp8860_clr_bits(client, - ADP8860_MDCR, DIM_EN); - - if (!ret) - data->current_brightness = brightness; - - return ret; -} - -static int adp8860_bl_update_status(struct backlight_device *bl) -{ - int brightness = bl->props.brightness; - if (bl->props.power != FB_BLANK_UNBLANK) - brightness = 0; - - if (bl->props.fb_blank != FB_BLANK_UNBLANK) - brightness = 0; - - return adp8860_bl_set(bl, brightness); -} - -static int adp8860_bl_get_brightness(struct backlight_device *bl) -{ - struct adp8860_bl *data = bl_get_data(bl); - - return data->current_brightness; -} - -static const struct backlight_ops adp8860_bl_ops = { - .update_status = adp8860_bl_update_status, - .get_brightness = adp8860_bl_get_brightness, -}; - -static int adp8860_bl_setup(struct backlight_device *bl) -{ - struct adp8860_bl *data = bl_get_data(bl); - struct i2c_client *client = data->client; - struct adp8860_backlight_platform_data *pdata = data->pdata; - int ret = 0; - - ret |= adp8860_write(client, ADP8860_BLSEN, ~pdata->bl_led_assign); - ret |= adp8860_write(client, ADP8860_BLMX1, pdata->l1_daylight_max); - ret |= adp8860_write(client, ADP8860_BLDM1, pdata->l1_daylight_dim); - - if (data->en_ambl_sens) { - data->cached_daylight_max = pdata->l1_daylight_max; - ret |= adp8860_write(client, ADP8860_BLMX2, - pdata->l2_office_max); - ret |= adp8860_write(client, ADP8860_BLDM2, - pdata->l2_office_dim); - ret |= adp8860_write(client, ADP8860_BLMX3, - pdata->l3_dark_max); - ret |= adp8860_write(client, ADP8860_BLDM3, - pdata->l3_dark_dim); - - ret |= adp8860_write(client, ADP8860_L2_TRP, pdata->l2_trip); - ret |= adp8860_write(client, ADP8860_L2_HYS, pdata->l2_hyst); - ret |= adp8860_write(client, ADP8860_L3_TRP, pdata->l3_trip); - ret |= adp8860_write(client, ADP8860_L3_HYS, pdata->l3_hyst); - ret |= adp8860_write(client, ADP8860_CCFG, L2_EN | L3_EN | - ALS_CCFG_VAL(pdata->abml_filt)); - } - - ret |= adp8860_write(client, ADP8860_CFGR, - BL_CFGR_VAL(pdata->bl_fade_law, 0)); - - ret |= adp8860_write(client, ADP8860_BLFR, FADE_VAL(pdata->bl_fade_in, - pdata->bl_fade_out)); - - ret |= adp8860_set_bits(client, ADP8860_MDCR, BLEN | DIM_EN | NSTBY | - (data->gdwn_dis ? GDWN_DIS : 0)); - - return ret; -} - -static ssize_t adp8860_show(struct device *dev, char *buf, int reg) -{ - struct adp8860_bl *data = dev_get_drvdata(dev); - int error; - uint8_t reg_val; - - mutex_lock(&data->lock); - error = adp8860_read(data->client, reg, ®_val); - mutex_unlock(&data->lock); - - if (error < 0) - return error; - - return sprintf(buf, "%u\n", reg_val); -} - -static ssize_t adp8860_store(struct device *dev, const char *buf, - size_t count, int reg) -{ - struct adp8860_bl *data = dev_get_drvdata(dev); - unsigned long val; - int ret; - - ret = strict_strtoul(buf, 10, &val); - if (ret) - return ret; - - mutex_lock(&data->lock); - adp8860_write(data->client, reg, val); - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t adp8860_bl_l3_dark_max_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8860_show(dev, buf, ADP8860_BLMX3); -} - -static ssize_t adp8860_bl_l3_dark_max_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - return adp8860_store(dev, buf, count, ADP8860_BLMX3); -} - -static DEVICE_ATTR(l3_dark_max, 0664, adp8860_bl_l3_dark_max_show, - adp8860_bl_l3_dark_max_store); - -static ssize_t adp8860_bl_l2_office_max_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8860_show(dev, buf, ADP8860_BLMX2); -} - -static ssize_t adp8860_bl_l2_office_max_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - return adp8860_store(dev, buf, count, ADP8860_BLMX2); -} -static DEVICE_ATTR(l2_office_max, 0664, adp8860_bl_l2_office_max_show, - adp8860_bl_l2_office_max_store); - -static ssize_t adp8860_bl_l1_daylight_max_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8860_show(dev, buf, ADP8860_BLMX1); -} - -static ssize_t adp8860_bl_l1_daylight_max_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct adp8860_bl *data = dev_get_drvdata(dev); - int ret = strict_strtoul(buf, 10, &data->cached_daylight_max); - if (ret) - return ret; - - return adp8860_store(dev, buf, count, ADP8860_BLMX1); -} -static DEVICE_ATTR(l1_daylight_max, 0664, adp8860_bl_l1_daylight_max_show, - adp8860_bl_l1_daylight_max_store); - -static ssize_t adp8860_bl_l3_dark_dim_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8860_show(dev, buf, ADP8860_BLDM3); -} - -static ssize_t adp8860_bl_l3_dark_dim_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return adp8860_store(dev, buf, count, ADP8860_BLDM3); -} -static DEVICE_ATTR(l3_dark_dim, 0664, adp8860_bl_l3_dark_dim_show, - adp8860_bl_l3_dark_dim_store); - -static ssize_t adp8860_bl_l2_office_dim_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8860_show(dev, buf, ADP8860_BLDM2); -} - -static ssize_t adp8860_bl_l2_office_dim_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return adp8860_store(dev, buf, count, ADP8860_BLDM2); -} -static DEVICE_ATTR(l2_office_dim, 0664, adp8860_bl_l2_office_dim_show, - adp8860_bl_l2_office_dim_store); - -static ssize_t adp8860_bl_l1_daylight_dim_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8860_show(dev, buf, ADP8860_BLDM1); -} - -static ssize_t adp8860_bl_l1_daylight_dim_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return adp8860_store(dev, buf, count, ADP8860_BLDM1); -} -static DEVICE_ATTR(l1_daylight_dim, 0664, adp8860_bl_l1_daylight_dim_show, - adp8860_bl_l1_daylight_dim_store); - -#ifdef ADP8860_EXT_FEATURES -static ssize_t adp8860_bl_ambient_light_level_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct adp8860_bl *data = dev_get_drvdata(dev); - int error; - uint8_t reg_val; - uint16_t ret_val; - - mutex_lock(&data->lock); - error = adp8860_read(data->client, ADP8860_PH1LEVL, ®_val); - ret_val = reg_val; - error |= adp8860_read(data->client, ADP8860_PH1LEVH, ®_val); - mutex_unlock(&data->lock); - - if (error < 0) - return error; - - /* Return 13-bit conversion value for the first light sensor */ - ret_val += (reg_val & 0x1F) << 8; - - return sprintf(buf, "%u\n", ret_val); -} -static DEVICE_ATTR(ambient_light_level, 0444, - adp8860_bl_ambient_light_level_show, NULL); - -static ssize_t adp8860_bl_ambient_light_zone_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct adp8860_bl *data = dev_get_drvdata(dev); - int error; - uint8_t reg_val; - - mutex_lock(&data->lock); - error = adp8860_read(data->client, ADP8860_CFGR, ®_val); - mutex_unlock(&data->lock); - - if (error < 0) - return error; - - return sprintf(buf, "%u\n", - ((reg_val >> CFGR_BLV_SHIFT) & CFGR_BLV_MASK) + 1); -} - -static ssize_t adp8860_bl_ambient_light_zone_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct adp8860_bl *data = dev_get_drvdata(dev); - unsigned long val; - uint8_t reg_val; - int ret; - - ret = strict_strtoul(buf, 10, &val); - if (ret) - return ret; - - if (val == 0) { - /* Enable automatic ambient light sensing */ - adp8860_set_bits(data->client, ADP8860_MDCR, CMP_AUTOEN); - } else if ((val > 0) && (val <= 3)) { - /* Disable automatic ambient light sensing */ - adp8860_clr_bits(data->client, ADP8860_MDCR, CMP_AUTOEN); - - /* Set user supplied ambient light zone */ - mutex_lock(&data->lock); - adp8860_read(data->client, ADP8860_CFGR, ®_val); - reg_val &= ~(CFGR_BLV_MASK << CFGR_BLV_SHIFT); - reg_val |= (val - 1) << CFGR_BLV_SHIFT; - adp8860_write(data->client, ADP8860_CFGR, reg_val); - mutex_unlock(&data->lock); - } - - return count; -} -static DEVICE_ATTR(ambient_light_zone, 0664, - adp8860_bl_ambient_light_zone_show, - adp8860_bl_ambient_light_zone_store); -#endif - -static struct attribute *adp8860_bl_attributes[] = { - &dev_attr_l3_dark_max.attr, - &dev_attr_l3_dark_dim.attr, - &dev_attr_l2_office_max.attr, - &dev_attr_l2_office_dim.attr, - &dev_attr_l1_daylight_max.attr, - &dev_attr_l1_daylight_dim.attr, -#ifdef ADP8860_EXT_FEATURES - &dev_attr_ambient_light_level.attr, - &dev_attr_ambient_light_zone.attr, -#endif - NULL -}; - -static const struct attribute_group adp8860_bl_attr_group = { - .attrs = adp8860_bl_attributes, -}; - -static int __devinit adp8860_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct backlight_device *bl; - struct adp8860_bl *data; - struct adp8860_backlight_platform_data *pdata = - client->dev.platform_data; - struct backlight_properties props; - uint8_t reg_val; - int ret; - - if (!i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_BYTE_DATA)) { - dev_err(&client->dev, "SMBUS Byte Data not Supported\n"); - return -EIO; - } - - if (!pdata) { - dev_err(&client->dev, "no platform data?\n"); - return -EINVAL; - } - - data = kzalloc(sizeof(*data), GFP_KERNEL); - if (data == NULL) - return -ENOMEM; - - ret = adp8860_read(client, ADP8860_MFDVID, ®_val); - if (ret < 0) - goto out2; - - switch (ADP8860_MANID(reg_val)) { - case ADP8863_MANUFID: - data->gdwn_dis = !!pdata->gdwn_dis; - case ADP8860_MANUFID: - data->en_ambl_sens = !!pdata->en_ambl_sens; - break; - case ADP8861_MANUFID: - data->gdwn_dis = !!pdata->gdwn_dis; - break; - default: - dev_err(&client->dev, "failed to probe\n"); - ret = -ENODEV; - goto out2; - } - - /* It's confirmed that the DEVID field is actually a REVID */ - - data->revid = ADP8860_DEVID(reg_val); - data->client = client; - data->pdata = pdata; - data->id = id->driver_data; - data->current_brightness = 0; - i2c_set_clientdata(client, data); - - memset(&props, 0, sizeof(props)); - props.type = BACKLIGHT_RAW; - props.max_brightness = ADP8860_MAX_BRIGHTNESS; - - mutex_init(&data->lock); - - bl = backlight_device_register(dev_driver_string(&client->dev), - &client->dev, data, &adp8860_bl_ops, &props); - if (IS_ERR(bl)) { - dev_err(&client->dev, "failed to register backlight\n"); - ret = PTR_ERR(bl); - goto out2; - } - - bl->props.brightness = ADP8860_MAX_BRIGHTNESS; - - data->bl = bl; - - if (data->en_ambl_sens) - ret = sysfs_create_group(&bl->dev.kobj, - &adp8860_bl_attr_group); - - if (ret) { - dev_err(&client->dev, "failed to register sysfs\n"); - goto out1; - } - - ret = adp8860_bl_setup(bl); - if (ret) { - ret = -EIO; - goto out; - } - - backlight_update_status(bl); - - dev_info(&client->dev, "%s Rev.%d Backlight\n", - client->name, data->revid); - - if (pdata->num_leds) - adp8860_led_probe(client); - - return 0; - -out: - if (data->en_ambl_sens) - sysfs_remove_group(&data->bl->dev.kobj, - &adp8860_bl_attr_group); -out1: - backlight_device_unregister(bl); -out2: - kfree(data); - - return ret; -} - -static int __devexit adp8860_remove(struct i2c_client *client) -{ - struct adp8860_bl *data = i2c_get_clientdata(client); - - adp8860_clr_bits(client, ADP8860_MDCR, NSTBY); - - if (data->led) - adp8860_led_remove(client); - - if (data->en_ambl_sens) - sysfs_remove_group(&data->bl->dev.kobj, - &adp8860_bl_attr_group); - - backlight_device_unregister(data->bl); - kfree(data); - - return 0; -} - -#ifdef CONFIG_PM -static int adp8860_i2c_suspend(struct i2c_client *client, pm_message_t message) -{ - adp8860_clr_bits(client, ADP8860_MDCR, NSTBY); - - return 0; -} - -static int adp8860_i2c_resume(struct i2c_client *client) -{ - adp8860_set_bits(client, ADP8860_MDCR, NSTBY); - - return 0; -} -#else -#define adp8860_i2c_suspend NULL -#define adp8860_i2c_resume NULL -#endif - -static const struct i2c_device_id adp8860_id[] = { - { "adp8860", adp8860 }, - { "adp8861", adp8861 }, - { "adp8863", adp8863 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, adp8860_id); - -static struct i2c_driver adp8860_driver = { - .driver = { - .name = KBUILD_MODNAME, - }, - .probe = adp8860_probe, - .remove = __devexit_p(adp8860_remove), - .suspend = adp8860_i2c_suspend, - .resume = adp8860_i2c_resume, - .id_table = adp8860_id, -}; - -module_i2c_driver(adp8860_driver); - -MODULE_LICENSE("GPL v2"); -MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); -MODULE_DESCRIPTION("ADP8860 Backlight driver"); -MODULE_ALIAS("i2c:adp8860-backlight"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/adp8870_bl.c b/ANDROID_3.4.5/drivers/video/backlight/adp8870_bl.c deleted file mode 100644 index 9be58c6f..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/adp8870_bl.c +++ /dev/null @@ -1,999 +0,0 @@ -/* - * Backlight driver for Analog Devices ADP8870 Backlight Devices - * - * Copyright 2009-2011 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/pm.h> -#include <linux/platform_device.h> -#include <linux/i2c.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/leds.h> -#include <linux/workqueue.h> -#include <linux/slab.h> - -#include <linux/i2c/adp8870.h> -#define ADP8870_EXT_FEATURES -#define ADP8870_USE_LEDS - - -#define ADP8870_MFDVID 0x00 /* Manufacturer and device ID */ -#define ADP8870_MDCR 0x01 /* Device mode and status */ -#define ADP8870_INT_STAT 0x02 /* Interrupts status */ -#define ADP8870_INT_EN 0x03 /* Interrupts enable */ -#define ADP8870_CFGR 0x04 /* Configuration register */ -#define ADP8870_BLSEL 0x05 /* Sink enable backlight or independent */ -#define ADP8870_PWMLED 0x06 /* PWM Enable Selection Register */ -#define ADP8870_BLOFF 0x07 /* Backlight off timeout */ -#define ADP8870_BLDIM 0x08 /* Backlight dim timeout */ -#define ADP8870_BLFR 0x09 /* Backlight fade in and out rates */ -#define ADP8870_BLMX1 0x0A /* Backlight (Brightness Level 1-daylight) maximum current */ -#define ADP8870_BLDM1 0x0B /* Backlight (Brightness Level 1-daylight) dim current */ -#define ADP8870_BLMX2 0x0C /* Backlight (Brightness Level 2-bright) maximum current */ -#define ADP8870_BLDM2 0x0D /* Backlight (Brightness Level 2-bright) dim current */ -#define ADP8870_BLMX3 0x0E /* Backlight (Brightness Level 3-office) maximum current */ -#define ADP8870_BLDM3 0x0F /* Backlight (Brightness Level 3-office) dim current */ -#define ADP8870_BLMX4 0x10 /* Backlight (Brightness Level 4-indoor) maximum current */ -#define ADP8870_BLDM4 0x11 /* Backlight (Brightness Level 4-indoor) dim current */ -#define ADP8870_BLMX5 0x12 /* Backlight (Brightness Level 5-dark) maximum current */ -#define ADP8870_BLDM5 0x13 /* Backlight (Brightness Level 5-dark) dim current */ -#define ADP8870_ISCLAW 0x1A /* Independent sink current fade law register */ -#define ADP8870_ISCC 0x1B /* Independent sink current control register */ -#define ADP8870_ISCT1 0x1C /* Independent Sink Current Timer Register LED[7:5] */ -#define ADP8870_ISCT2 0x1D /* Independent Sink Current Timer Register LED[4:1] */ -#define ADP8870_ISCF 0x1E /* Independent sink current fade register */ -#define ADP8870_ISC1 0x1F /* Independent Sink Current LED1 */ -#define ADP8870_ISC2 0x20 /* Independent Sink Current LED2 */ -#define ADP8870_ISC3 0x21 /* Independent Sink Current LED3 */ -#define ADP8870_ISC4 0x22 /* Independent Sink Current LED4 */ -#define ADP8870_ISC5 0x23 /* Independent Sink Current LED5 */ -#define ADP8870_ISC6 0x24 /* Independent Sink Current LED6 */ -#define ADP8870_ISC7 0x25 /* Independent Sink Current LED7 (Brightness Level 1-daylight) */ -#define ADP8870_ISC7_L2 0x26 /* Independent Sink Current LED7 (Brightness Level 2-bright) */ -#define ADP8870_ISC7_L3 0x27 /* Independent Sink Current LED7 (Brightness Level 3-office) */ -#define ADP8870_ISC7_L4 0x28 /* Independent Sink Current LED7 (Brightness Level 4-indoor) */ -#define ADP8870_ISC7_L5 0x29 /* Independent Sink Current LED7 (Brightness Level 5-dark) */ -#define ADP8870_CMP_CTL 0x2D /* ALS Comparator Control Register */ -#define ADP8870_ALS1_EN 0x2E /* Main ALS comparator level enable */ -#define ADP8870_ALS2_EN 0x2F /* Second ALS comparator level enable */ -#define ADP8870_ALS1_STAT 0x30 /* Main ALS Comparator Status Register */ -#define ADP8870_ALS2_STAT 0x31 /* Second ALS Comparator Status Register */ -#define ADP8870_L2TRP 0x32 /* L2 comparator reference */ -#define ADP8870_L2HYS 0x33 /* L2 hysteresis */ -#define ADP8870_L3TRP 0x34 /* L3 comparator reference */ -#define ADP8870_L3HYS 0x35 /* L3 hysteresis */ -#define ADP8870_L4TRP 0x36 /* L4 comparator reference */ -#define ADP8870_L4HYS 0x37 /* L4 hysteresis */ -#define ADP8870_L5TRP 0x38 /* L5 comparator reference */ -#define ADP8870_L5HYS 0x39 /* L5 hysteresis */ -#define ADP8870_PH1LEVL 0x40 /* First phototransistor ambient light level-low byte register */ -#define ADP8870_PH1LEVH 0x41 /* First phototransistor ambient light level-high byte register */ -#define ADP8870_PH2LEVL 0x42 /* Second phototransistor ambient light level-low byte register */ -#define ADP8870_PH2LEVH 0x43 /* Second phototransistor ambient light level-high byte register */ - -#define ADP8870_MANUFID 0x3 /* Analog Devices AD8870 Manufacturer and device ID */ -#define ADP8870_DEVID(x) ((x) & 0xF) -#define ADP8870_MANID(x) ((x) >> 4) - -/* MDCR Device mode and status */ -#define D7ALSEN (1 << 7) -#define INT_CFG (1 << 6) -#define NSTBY (1 << 5) -#define DIM_EN (1 << 4) -#define GDWN_DIS (1 << 3) -#define SIS_EN (1 << 2) -#define CMP_AUTOEN (1 << 1) -#define BLEN (1 << 0) - -/* ADP8870_ALS1_EN Main ALS comparator level enable */ -#define L5_EN (1 << 3) -#define L4_EN (1 << 2) -#define L3_EN (1 << 1) -#define L2_EN (1 << 0) - -#define CFGR_BLV_SHIFT 3 -#define CFGR_BLV_MASK 0x7 -#define ADP8870_FLAG_LED_MASK 0xFF - -#define FADE_VAL(in, out) ((0xF & (in)) | ((0xF & (out)) << 4)) -#define BL_CFGR_VAL(law, blv) ((((blv) & CFGR_BLV_MASK) << CFGR_BLV_SHIFT) | ((0x3 & (law)) << 1)) -#define ALS_CMPR_CFG_VAL(filt) ((0x7 & (filt)) << 1) - -struct adp8870_bl { - struct i2c_client *client; - struct backlight_device *bl; - struct adp8870_led *led; - struct adp8870_backlight_platform_data *pdata; - struct mutex lock; - unsigned long cached_daylight_max; - int id; - int revid; - int current_brightness; -}; - -struct adp8870_led { - struct led_classdev cdev; - struct work_struct work; - struct i2c_client *client; - enum led_brightness new_brightness; - int id; - int flags; -}; - -static int adp8870_read(struct i2c_client *client, int reg, uint8_t *val) -{ - int ret; - - ret = i2c_smbus_read_byte_data(client, reg); - if (ret < 0) { - dev_err(&client->dev, "failed reading at 0x%02x\n", reg); - return ret; - } - - *val = ret; - return 0; -} - - -static int adp8870_write(struct i2c_client *client, u8 reg, u8 val) -{ - int ret = i2c_smbus_write_byte_data(client, reg, val); - if (ret) - dev_err(&client->dev, "failed to write\n"); - - return ret; -} - -static int adp8870_set_bits(struct i2c_client *client, int reg, uint8_t bit_mask) -{ - struct adp8870_bl *data = i2c_get_clientdata(client); - uint8_t reg_val; - int ret; - - mutex_lock(&data->lock); - - ret = adp8870_read(client, reg, ®_val); - - if (!ret && ((reg_val & bit_mask) != bit_mask)) { - reg_val |= bit_mask; - ret = adp8870_write(client, reg, reg_val); - } - - mutex_unlock(&data->lock); - return ret; -} - -static int adp8870_clr_bits(struct i2c_client *client, int reg, uint8_t bit_mask) -{ - struct adp8870_bl *data = i2c_get_clientdata(client); - uint8_t reg_val; - int ret; - - mutex_lock(&data->lock); - - ret = adp8870_read(client, reg, ®_val); - - if (!ret && (reg_val & bit_mask)) { - reg_val &= ~bit_mask; - ret = adp8870_write(client, reg, reg_val); - } - - mutex_unlock(&data->lock); - return ret; -} - -/* - * Independent sink / LED - */ -#if defined(ADP8870_USE_LEDS) -static void adp8870_led_work(struct work_struct *work) -{ - struct adp8870_led *led = container_of(work, struct adp8870_led, work); - adp8870_write(led->client, ADP8870_ISC1 + led->id - 1, - led->new_brightness >> 1); -} - -static void adp8870_led_set(struct led_classdev *led_cdev, - enum led_brightness value) -{ - struct adp8870_led *led; - - led = container_of(led_cdev, struct adp8870_led, cdev); - led->new_brightness = value; - /* - * Use workqueue for IO since I2C operations can sleep. - */ - schedule_work(&led->work); -} - -static int adp8870_led_setup(struct adp8870_led *led) -{ - struct i2c_client *client = led->client; - int ret = 0; - - ret = adp8870_write(client, ADP8870_ISC1 + led->id - 1, 0); - if (ret) - return ret; - - ret = adp8870_set_bits(client, ADP8870_ISCC, 1 << (led->id - 1)); - if (ret) - return ret; - - if (led->id > 4) - ret = adp8870_set_bits(client, ADP8870_ISCT1, - (led->flags & 0x3) << ((led->id - 5) * 2)); - else - ret = adp8870_set_bits(client, ADP8870_ISCT2, - (led->flags & 0x3) << ((led->id - 1) * 2)); - - return ret; -} - -static int __devinit adp8870_led_probe(struct i2c_client *client) -{ - struct adp8870_backlight_platform_data *pdata = - client->dev.platform_data; - struct adp8870_bl *data = i2c_get_clientdata(client); - struct adp8870_led *led, *led_dat; - struct led_info *cur_led; - int ret, i; - - - led = kcalloc(pdata->num_leds, sizeof(*led), GFP_KERNEL); - if (led == NULL) { - dev_err(&client->dev, "failed to alloc memory\n"); - return -ENOMEM; - } - - ret = adp8870_write(client, ADP8870_ISCLAW, pdata->led_fade_law); - if (ret) - goto err_free; - - ret = adp8870_write(client, ADP8870_ISCT1, - (pdata->led_on_time & 0x3) << 6); - if (ret) - goto err_free; - - ret = adp8870_write(client, ADP8870_ISCF, - FADE_VAL(pdata->led_fade_in, pdata->led_fade_out)); - if (ret) - goto err_free; - - for (i = 0; i < pdata->num_leds; ++i) { - cur_led = &pdata->leds[i]; - led_dat = &led[i]; - - led_dat->id = cur_led->flags & ADP8870_FLAG_LED_MASK; - - if (led_dat->id > 7 || led_dat->id < 1) { - dev_err(&client->dev, "Invalid LED ID %d\n", - led_dat->id); - goto err; - } - - if (pdata->bl_led_assign & (1 << (led_dat->id - 1))) { - dev_err(&client->dev, "LED %d used by Backlight\n", - led_dat->id); - goto err; - } - - led_dat->cdev.name = cur_led->name; - led_dat->cdev.default_trigger = cur_led->default_trigger; - led_dat->cdev.brightness_set = adp8870_led_set; - led_dat->cdev.brightness = LED_OFF; - led_dat->flags = cur_led->flags >> FLAG_OFFT_SHIFT; - led_dat->client = client; - led_dat->new_brightness = LED_OFF; - INIT_WORK(&led_dat->work, adp8870_led_work); - - ret = led_classdev_register(&client->dev, &led_dat->cdev); - if (ret) { - dev_err(&client->dev, "failed to register LED %d\n", - led_dat->id); - goto err; - } - - ret = adp8870_led_setup(led_dat); - if (ret) { - dev_err(&client->dev, "failed to write\n"); - i++; - goto err; - } - } - - data->led = led; - - return 0; - - err: - for (i = i - 1; i >= 0; --i) { - led_classdev_unregister(&led[i].cdev); - cancel_work_sync(&led[i].work); - } - - err_free: - kfree(led); - - return ret; -} - -static int __devexit adp8870_led_remove(struct i2c_client *client) -{ - struct adp8870_backlight_platform_data *pdata = - client->dev.platform_data; - struct adp8870_bl *data = i2c_get_clientdata(client); - int i; - - for (i = 0; i < pdata->num_leds; i++) { - led_classdev_unregister(&data->led[i].cdev); - cancel_work_sync(&data->led[i].work); - } - - kfree(data->led); - return 0; -} -#else -static int __devinit adp8870_led_probe(struct i2c_client *client) -{ - return 0; -} - -static int __devexit adp8870_led_remove(struct i2c_client *client) -{ - return 0; -} -#endif - -static int adp8870_bl_set(struct backlight_device *bl, int brightness) -{ - struct adp8870_bl *data = bl_get_data(bl); - struct i2c_client *client = data->client; - int ret = 0; - - if (data->pdata->en_ambl_sens) { - if ((brightness > 0) && (brightness < ADP8870_MAX_BRIGHTNESS)) { - /* Disable Ambient Light auto adjust */ - ret = adp8870_clr_bits(client, ADP8870_MDCR, - CMP_AUTOEN); - if (ret) - return ret; - ret = adp8870_write(client, ADP8870_BLMX1, brightness); - if (ret) - return ret; - } else { - /* - * MAX_BRIGHTNESS -> Enable Ambient Light auto adjust - * restore daylight l1 sysfs brightness - */ - ret = adp8870_write(client, ADP8870_BLMX1, - data->cached_daylight_max); - if (ret) - return ret; - - ret = adp8870_set_bits(client, ADP8870_MDCR, - CMP_AUTOEN); - if (ret) - return ret; - } - } else { - ret = adp8870_write(client, ADP8870_BLMX1, brightness); - if (ret) - return ret; - } - - if (data->current_brightness && brightness == 0) - ret = adp8870_set_bits(client, - ADP8870_MDCR, DIM_EN); - else if (data->current_brightness == 0 && brightness) - ret = adp8870_clr_bits(client, - ADP8870_MDCR, DIM_EN); - - if (!ret) - data->current_brightness = brightness; - - return ret; -} - -static int adp8870_bl_update_status(struct backlight_device *bl) -{ - int brightness = bl->props.brightness; - if (bl->props.power != FB_BLANK_UNBLANK) - brightness = 0; - - if (bl->props.fb_blank != FB_BLANK_UNBLANK) - brightness = 0; - - return adp8870_bl_set(bl, brightness); -} - -static int adp8870_bl_get_brightness(struct backlight_device *bl) -{ - struct adp8870_bl *data = bl_get_data(bl); - - return data->current_brightness; -} - -static const struct backlight_ops adp8870_bl_ops = { - .update_status = adp8870_bl_update_status, - .get_brightness = adp8870_bl_get_brightness, -}; - -static int adp8870_bl_setup(struct backlight_device *bl) -{ - struct adp8870_bl *data = bl_get_data(bl); - struct i2c_client *client = data->client; - struct adp8870_backlight_platform_data *pdata = data->pdata; - int ret = 0; - - ret = adp8870_write(client, ADP8870_BLSEL, ~pdata->bl_led_assign); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_PWMLED, pdata->pwm_assign); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_BLMX1, pdata->l1_daylight_max); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_BLDM1, pdata->l1_daylight_dim); - if (ret) - return ret; - - if (pdata->en_ambl_sens) { - data->cached_daylight_max = pdata->l1_daylight_max; - ret = adp8870_write(client, ADP8870_BLMX2, - pdata->l2_bright_max); - if (ret) - return ret; - ret = adp8870_write(client, ADP8870_BLDM2, - pdata->l2_bright_dim); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_BLMX3, - pdata->l3_office_max); - if (ret) - return ret; - ret = adp8870_write(client, ADP8870_BLDM3, - pdata->l3_office_dim); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_BLMX4, - pdata->l4_indoor_max); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_BLDM4, - pdata->l4_indor_dim); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_BLMX5, - pdata->l5_dark_max); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_BLDM5, - pdata->l5_dark_dim); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_L2TRP, pdata->l2_trip); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_L2HYS, pdata->l2_hyst); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_L3TRP, pdata->l3_trip); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_L3HYS, pdata->l3_hyst); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_L4TRP, pdata->l4_trip); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_L4HYS, pdata->l4_hyst); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_L5TRP, pdata->l5_trip); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_L5HYS, pdata->l5_hyst); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_ALS1_EN, L5_EN | L4_EN | - L3_EN | L2_EN); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_CMP_CTL, - ALS_CMPR_CFG_VAL(pdata->abml_filt)); - if (ret) - return ret; - } - - ret = adp8870_write(client, ADP8870_CFGR, - BL_CFGR_VAL(pdata->bl_fade_law, 0)); - if (ret) - return ret; - - ret = adp8870_write(client, ADP8870_BLFR, FADE_VAL(pdata->bl_fade_in, - pdata->bl_fade_out)); - if (ret) - return ret; - /* - * ADP8870 Rev0 requires GDWN_DIS bit set - */ - - ret = adp8870_set_bits(client, ADP8870_MDCR, BLEN | DIM_EN | NSTBY | - (data->revid == 0 ? GDWN_DIS : 0)); - - return ret; -} - -static ssize_t adp8870_show(struct device *dev, char *buf, int reg) -{ - struct adp8870_bl *data = dev_get_drvdata(dev); - int error; - uint8_t reg_val; - - mutex_lock(&data->lock); - error = adp8870_read(data->client, reg, ®_val); - mutex_unlock(&data->lock); - - if (error < 0) - return error; - - return sprintf(buf, "%u\n", reg_val); -} - -static ssize_t adp8870_store(struct device *dev, const char *buf, - size_t count, int reg) -{ - struct adp8870_bl *data = dev_get_drvdata(dev); - unsigned long val; - int ret; - - ret = strict_strtoul(buf, 10, &val); - if (ret) - return ret; - - mutex_lock(&data->lock); - adp8870_write(data->client, reg, val); - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t adp8870_bl_l5_dark_max_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8870_show(dev, buf, ADP8870_BLMX5); -} - -static ssize_t adp8870_bl_l5_dark_max_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - return adp8870_store(dev, buf, count, ADP8870_BLMX5); -} -static DEVICE_ATTR(l5_dark_max, 0664, adp8870_bl_l5_dark_max_show, - adp8870_bl_l5_dark_max_store); - - -static ssize_t adp8870_bl_l4_indoor_max_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8870_show(dev, buf, ADP8870_BLMX4); -} - -static ssize_t adp8870_bl_l4_indoor_max_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - return adp8870_store(dev, buf, count, ADP8870_BLMX4); -} -static DEVICE_ATTR(l4_indoor_max, 0664, adp8870_bl_l4_indoor_max_show, - adp8870_bl_l4_indoor_max_store); - - -static ssize_t adp8870_bl_l3_office_max_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8870_show(dev, buf, ADP8870_BLMX3); -} - -static ssize_t adp8870_bl_l3_office_max_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - return adp8870_store(dev, buf, count, ADP8870_BLMX3); -} - -static DEVICE_ATTR(l3_office_max, 0664, adp8870_bl_l3_office_max_show, - adp8870_bl_l3_office_max_store); - -static ssize_t adp8870_bl_l2_bright_max_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8870_show(dev, buf, ADP8870_BLMX2); -} - -static ssize_t adp8870_bl_l2_bright_max_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - return adp8870_store(dev, buf, count, ADP8870_BLMX2); -} -static DEVICE_ATTR(l2_bright_max, 0664, adp8870_bl_l2_bright_max_show, - adp8870_bl_l2_bright_max_store); - -static ssize_t adp8870_bl_l1_daylight_max_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8870_show(dev, buf, ADP8870_BLMX1); -} - -static ssize_t adp8870_bl_l1_daylight_max_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct adp8870_bl *data = dev_get_drvdata(dev); - int ret = strict_strtoul(buf, 10, &data->cached_daylight_max); - if (ret) - return ret; - - return adp8870_store(dev, buf, count, ADP8870_BLMX1); -} -static DEVICE_ATTR(l1_daylight_max, 0664, adp8870_bl_l1_daylight_max_show, - adp8870_bl_l1_daylight_max_store); - -static ssize_t adp8870_bl_l5_dark_dim_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8870_show(dev, buf, ADP8870_BLDM5); -} - -static ssize_t adp8870_bl_l5_dark_dim_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return adp8870_store(dev, buf, count, ADP8870_BLDM5); -} -static DEVICE_ATTR(l5_dark_dim, 0664, adp8870_bl_l5_dark_dim_show, - adp8870_bl_l5_dark_dim_store); - -static ssize_t adp8870_bl_l4_indoor_dim_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8870_show(dev, buf, ADP8870_BLDM4); -} - -static ssize_t adp8870_bl_l4_indoor_dim_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return adp8870_store(dev, buf, count, ADP8870_BLDM4); -} -static DEVICE_ATTR(l4_indoor_dim, 0664, adp8870_bl_l4_indoor_dim_show, - adp8870_bl_l4_indoor_dim_store); - - -static ssize_t adp8870_bl_l3_office_dim_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8870_show(dev, buf, ADP8870_BLDM3); -} - -static ssize_t adp8870_bl_l3_office_dim_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return adp8870_store(dev, buf, count, ADP8870_BLDM3); -} -static DEVICE_ATTR(l3_office_dim, 0664, adp8870_bl_l3_office_dim_show, - adp8870_bl_l3_office_dim_store); - -static ssize_t adp8870_bl_l2_bright_dim_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8870_show(dev, buf, ADP8870_BLDM2); -} - -static ssize_t adp8870_bl_l2_bright_dim_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return adp8870_store(dev, buf, count, ADP8870_BLDM2); -} -static DEVICE_ATTR(l2_bright_dim, 0664, adp8870_bl_l2_bright_dim_show, - adp8870_bl_l2_bright_dim_store); - -static ssize_t adp8870_bl_l1_daylight_dim_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return adp8870_show(dev, buf, ADP8870_BLDM1); -} - -static ssize_t adp8870_bl_l1_daylight_dim_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return adp8870_store(dev, buf, count, ADP8870_BLDM1); -} -static DEVICE_ATTR(l1_daylight_dim, 0664, adp8870_bl_l1_daylight_dim_show, - adp8870_bl_l1_daylight_dim_store); - -#ifdef ADP8870_EXT_FEATURES -static ssize_t adp8870_bl_ambient_light_level_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct adp8870_bl *data = dev_get_drvdata(dev); - int error; - uint8_t reg_val; - uint16_t ret_val; - - mutex_lock(&data->lock); - error = adp8870_read(data->client, ADP8870_PH1LEVL, ®_val); - if (error < 0) { - mutex_unlock(&data->lock); - return error; - } - ret_val = reg_val; - error = adp8870_read(data->client, ADP8870_PH1LEVH, ®_val); - mutex_unlock(&data->lock); - - if (error < 0) - return error; - - /* Return 13-bit conversion value for the first light sensor */ - ret_val += (reg_val & 0x1F) << 8; - - return sprintf(buf, "%u\n", ret_val); -} -static DEVICE_ATTR(ambient_light_level, 0444, - adp8870_bl_ambient_light_level_show, NULL); - -static ssize_t adp8870_bl_ambient_light_zone_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct adp8870_bl *data = dev_get_drvdata(dev); - int error; - uint8_t reg_val; - - mutex_lock(&data->lock); - error = adp8870_read(data->client, ADP8870_CFGR, ®_val); - mutex_unlock(&data->lock); - - if (error < 0) - return error; - - return sprintf(buf, "%u\n", - ((reg_val >> CFGR_BLV_SHIFT) & CFGR_BLV_MASK) + 1); -} - -static ssize_t adp8870_bl_ambient_light_zone_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct adp8870_bl *data = dev_get_drvdata(dev); - unsigned long val; - uint8_t reg_val; - int ret; - - ret = strict_strtoul(buf, 10, &val); - if (ret) - return ret; - - if (val == 0) { - /* Enable automatic ambient light sensing */ - adp8870_set_bits(data->client, ADP8870_MDCR, CMP_AUTOEN); - } else if ((val > 0) && (val < 6)) { - /* Disable automatic ambient light sensing */ - adp8870_clr_bits(data->client, ADP8870_MDCR, CMP_AUTOEN); - - /* Set user supplied ambient light zone */ - mutex_lock(&data->lock); - adp8870_read(data->client, ADP8870_CFGR, ®_val); - reg_val &= ~(CFGR_BLV_MASK << CFGR_BLV_SHIFT); - reg_val |= (val - 1) << CFGR_BLV_SHIFT; - adp8870_write(data->client, ADP8870_CFGR, reg_val); - mutex_unlock(&data->lock); - } - - return count; -} -static DEVICE_ATTR(ambient_light_zone, 0664, - adp8870_bl_ambient_light_zone_show, - adp8870_bl_ambient_light_zone_store); -#endif - -static struct attribute *adp8870_bl_attributes[] = { - &dev_attr_l5_dark_max.attr, - &dev_attr_l5_dark_dim.attr, - &dev_attr_l4_indoor_max.attr, - &dev_attr_l4_indoor_dim.attr, - &dev_attr_l3_office_max.attr, - &dev_attr_l3_office_dim.attr, - &dev_attr_l2_bright_max.attr, - &dev_attr_l2_bright_dim.attr, - &dev_attr_l1_daylight_max.attr, - &dev_attr_l1_daylight_dim.attr, -#ifdef ADP8870_EXT_FEATURES - &dev_attr_ambient_light_level.attr, - &dev_attr_ambient_light_zone.attr, -#endif - NULL -}; - -static const struct attribute_group adp8870_bl_attr_group = { - .attrs = adp8870_bl_attributes, -}; - -static int __devinit adp8870_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct backlight_properties props; - struct backlight_device *bl; - struct adp8870_bl *data; - struct adp8870_backlight_platform_data *pdata = - client->dev.platform_data; - uint8_t reg_val; - int ret; - - if (!i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_BYTE_DATA)) { - dev_err(&client->dev, "SMBUS Byte Data not Supported\n"); - return -EIO; - } - - if (!pdata) { - dev_err(&client->dev, "no platform data?\n"); - return -EINVAL; - } - - ret = adp8870_read(client, ADP8870_MFDVID, ®_val); - if (ret < 0) - return -EIO; - - if (ADP8870_MANID(reg_val) != ADP8870_MANUFID) { - dev_err(&client->dev, "failed to probe\n"); - return -ENODEV; - } - - data = kzalloc(sizeof(*data), GFP_KERNEL); - if (data == NULL) - return -ENOMEM; - - data->revid = ADP8870_DEVID(reg_val); - data->client = client; - data->pdata = pdata; - data->id = id->driver_data; - data->current_brightness = 0; - i2c_set_clientdata(client, data); - - mutex_init(&data->lock); - - memset(&props, 0, sizeof(props)); - props.type = BACKLIGHT_RAW; - props.max_brightness = props.brightness = ADP8870_MAX_BRIGHTNESS; - bl = backlight_device_register(dev_driver_string(&client->dev), - &client->dev, data, &adp8870_bl_ops, &props); - if (IS_ERR(bl)) { - dev_err(&client->dev, "failed to register backlight\n"); - ret = PTR_ERR(bl); - goto out2; - } - - data->bl = bl; - - if (pdata->en_ambl_sens) - ret = sysfs_create_group(&bl->dev.kobj, - &adp8870_bl_attr_group); - - if (ret) { - dev_err(&client->dev, "failed to register sysfs\n"); - goto out1; - } - - ret = adp8870_bl_setup(bl); - if (ret) { - ret = -EIO; - goto out; - } - - backlight_update_status(bl); - - dev_info(&client->dev, "Rev.%d Backlight\n", data->revid); - - if (pdata->num_leds) - adp8870_led_probe(client); - - return 0; - -out: - if (data->pdata->en_ambl_sens) - sysfs_remove_group(&data->bl->dev.kobj, - &adp8870_bl_attr_group); -out1: - backlight_device_unregister(bl); -out2: - kfree(data); - - return ret; -} - -static int __devexit adp8870_remove(struct i2c_client *client) -{ - struct adp8870_bl *data = i2c_get_clientdata(client); - - adp8870_clr_bits(client, ADP8870_MDCR, NSTBY); - - if (data->led) - adp8870_led_remove(client); - - if (data->pdata->en_ambl_sens) - sysfs_remove_group(&data->bl->dev.kobj, - &adp8870_bl_attr_group); - - backlight_device_unregister(data->bl); - kfree(data); - - return 0; -} - -#ifdef CONFIG_PM -static int adp8870_i2c_suspend(struct i2c_client *client, pm_message_t message) -{ - adp8870_clr_bits(client, ADP8870_MDCR, NSTBY); - - return 0; -} - -static int adp8870_i2c_resume(struct i2c_client *client) -{ - adp8870_set_bits(client, ADP8870_MDCR, NSTBY); - - return 0; -} -#else -#define adp8870_i2c_suspend NULL -#define adp8870_i2c_resume NULL -#endif - -static const struct i2c_device_id adp8870_id[] = { - { "adp8870", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, adp8870_id); - -static struct i2c_driver adp8870_driver = { - .driver = { - .name = KBUILD_MODNAME, - }, - .probe = adp8870_probe, - .remove = __devexit_p(adp8870_remove), - .suspend = adp8870_i2c_suspend, - .resume = adp8870_i2c_resume, - .id_table = adp8870_id, -}; - -module_i2c_driver(adp8870_driver); - -MODULE_LICENSE("GPL v2"); -MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); -MODULE_DESCRIPTION("ADP8870 Backlight driver"); -MODULE_ALIAS("i2c:adp8870-backlight"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/ams369fg06.c b/ANDROID_3.4.5/drivers/video/backlight/ams369fg06.c deleted file mode 100644 index 7bdadc79..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/ams369fg06.c +++ /dev/null @@ -1,636 +0,0 @@ -/* - * ams369fg06 AMOLED LCD panel driver. - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. - * Author: Jingoo Han <jg1.han@samsung.com> - * - * Derived from drivers/video/s6e63m0.c - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include <linux/wait.h> -#include <linux/module.h> -#include <linux/fb.h> -#include <linux/delay.h> -#include <linux/gpio.h> -#include <linux/spi/spi.h> -#include <linux/lcd.h> -#include <linux/backlight.h> - -#define SLEEPMSEC 0x1000 -#define ENDDEF 0x2000 -#define DEFMASK 0xFF00 -#define COMMAND_ONLY 0xFE -#define DATA_ONLY 0xFF - -#define MAX_GAMMA_LEVEL 5 -#define GAMMA_TABLE_COUNT 21 - -#define MIN_BRIGHTNESS 0 -#define MAX_BRIGHTNESS 255 -#define DEFAULT_BRIGHTNESS 150 - -struct ams369fg06 { - struct device *dev; - struct spi_device *spi; - unsigned int power; - struct lcd_device *ld; - struct backlight_device *bd; - struct lcd_platform_data *lcd_pd; -}; - -static const unsigned short seq_display_on[] = { - 0x14, 0x03, - ENDDEF, 0x0000 -}; - -static const unsigned short seq_display_off[] = { - 0x14, 0x00, - ENDDEF, 0x0000 -}; - -static const unsigned short seq_stand_by_on[] = { - 0x1D, 0xA1, - SLEEPMSEC, 200, - ENDDEF, 0x0000 -}; - -static const unsigned short seq_stand_by_off[] = { - 0x1D, 0xA0, - SLEEPMSEC, 250, - ENDDEF, 0x0000 -}; - -static const unsigned short seq_setting[] = { - 0x31, 0x08, - 0x32, 0x14, - 0x30, 0x02, - 0x27, 0x01, - 0x12, 0x08, - 0x13, 0x08, - 0x15, 0x00, - 0x16, 0x00, - - 0xef, 0xd0, - DATA_ONLY, 0xe8, - - 0x39, 0x44, - 0x40, 0x00, - 0x41, 0x3f, - 0x42, 0x2a, - 0x43, 0x27, - 0x44, 0x27, - 0x45, 0x1f, - 0x46, 0x44, - 0x50, 0x00, - 0x51, 0x00, - 0x52, 0x17, - 0x53, 0x24, - 0x54, 0x26, - 0x55, 0x1f, - 0x56, 0x43, - 0x60, 0x00, - 0x61, 0x3f, - 0x62, 0x2a, - 0x63, 0x25, - 0x64, 0x24, - 0x65, 0x1b, - 0x66, 0x5c, - - 0x17, 0x22, - 0x18, 0x33, - 0x19, 0x03, - 0x1a, 0x01, - 0x22, 0xa4, - 0x23, 0x00, - 0x26, 0xa0, - - 0x1d, 0xa0, - SLEEPMSEC, 300, - - 0x14, 0x03, - - ENDDEF, 0x0000 -}; - -/* gamma value: 2.2 */ -static const unsigned int ams369fg06_22_250[] = { - 0x00, 0x3f, 0x2a, 0x27, 0x27, 0x1f, 0x44, - 0x00, 0x00, 0x17, 0x24, 0x26, 0x1f, 0x43, - 0x00, 0x3f, 0x2a, 0x25, 0x24, 0x1b, 0x5c, -}; - -static const unsigned int ams369fg06_22_200[] = { - 0x00, 0x3f, 0x28, 0x29, 0x27, 0x21, 0x3e, - 0x00, 0x00, 0x10, 0x25, 0x27, 0x20, 0x3d, - 0x00, 0x3f, 0x28, 0x27, 0x25, 0x1d, 0x53, -}; - -static const unsigned int ams369fg06_22_150[] = { - 0x00, 0x3f, 0x2d, 0x29, 0x28, 0x23, 0x37, - 0x00, 0x00, 0x0b, 0x25, 0x28, 0x22, 0x36, - 0x00, 0x3f, 0x2b, 0x28, 0x26, 0x1f, 0x4a, -}; - -static const unsigned int ams369fg06_22_100[] = { - 0x00, 0x3f, 0x30, 0x2a, 0x2b, 0x24, 0x2f, - 0x00, 0x00, 0x00, 0x25, 0x29, 0x24, 0x2e, - 0x00, 0x3f, 0x2f, 0x29, 0x29, 0x21, 0x3f, -}; - -static const unsigned int ams369fg06_22_50[] = { - 0x00, 0x3f, 0x3c, 0x2c, 0x2d, 0x27, 0x24, - 0x00, 0x00, 0x00, 0x22, 0x2a, 0x27, 0x23, - 0x00, 0x3f, 0x3b, 0x2c, 0x2b, 0x24, 0x31, -}; - -struct ams369fg06_gamma { - unsigned int *gamma_22_table[MAX_GAMMA_LEVEL]; -}; - -static struct ams369fg06_gamma gamma_table = { - .gamma_22_table[0] = (unsigned int *)&ams369fg06_22_50, - .gamma_22_table[1] = (unsigned int *)&ams369fg06_22_100, - .gamma_22_table[2] = (unsigned int *)&ams369fg06_22_150, - .gamma_22_table[3] = (unsigned int *)&ams369fg06_22_200, - .gamma_22_table[4] = (unsigned int *)&ams369fg06_22_250, -}; - -static int ams369fg06_spi_write_byte(struct ams369fg06 *lcd, int addr, int data) -{ - u16 buf[1]; - struct spi_message msg; - - struct spi_transfer xfer = { - .len = 2, - .tx_buf = buf, - }; - - buf[0] = (addr << 8) | data; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - - return spi_sync(lcd->spi, &msg); -} - -static int ams369fg06_spi_write(struct ams369fg06 *lcd, unsigned char address, - unsigned char command) -{ - int ret = 0; - - if (address != DATA_ONLY) - ret = ams369fg06_spi_write_byte(lcd, 0x70, address); - if (command != COMMAND_ONLY) - ret = ams369fg06_spi_write_byte(lcd, 0x72, command); - - return ret; -} - -static int ams369fg06_panel_send_sequence(struct ams369fg06 *lcd, - const unsigned short *wbuf) -{ - int ret = 0, i = 0; - - while ((wbuf[i] & DEFMASK) != ENDDEF) { - if ((wbuf[i] & DEFMASK) != SLEEPMSEC) { - ret = ams369fg06_spi_write(lcd, wbuf[i], wbuf[i+1]); - if (ret) - break; - } else - mdelay(wbuf[i+1]); - i += 2; - } - - return ret; -} - -static int _ams369fg06_gamma_ctl(struct ams369fg06 *lcd, - const unsigned int *gamma) -{ - unsigned int i = 0; - int ret = 0; - - for (i = 0 ; i < GAMMA_TABLE_COUNT / 3; i++) { - ret = ams369fg06_spi_write(lcd, 0x40 + i, gamma[i]); - ret = ams369fg06_spi_write(lcd, 0x50 + i, gamma[i+7*1]); - ret = ams369fg06_spi_write(lcd, 0x60 + i, gamma[i+7*2]); - if (ret) { - dev_err(lcd->dev, "failed to set gamma table.\n"); - goto gamma_err; - } - } - -gamma_err: - return ret; -} - -static int ams369fg06_gamma_ctl(struct ams369fg06 *lcd, int brightness) -{ - int ret = 0; - int gamma = 0; - - if ((brightness >= 0) && (brightness <= 50)) - gamma = 0; - else if ((brightness > 50) && (brightness <= 100)) - gamma = 1; - else if ((brightness > 100) && (brightness <= 150)) - gamma = 2; - else if ((brightness > 150) && (brightness <= 200)) - gamma = 3; - else if ((brightness > 200) && (brightness <= 255)) - gamma = 4; - - ret = _ams369fg06_gamma_ctl(lcd, gamma_table.gamma_22_table[gamma]); - - return ret; -} - -static int ams369fg06_ldi_init(struct ams369fg06 *lcd) -{ - int ret, i; - static const unsigned short *init_seq[] = { - seq_setting, - seq_stand_by_off, - }; - - for (i = 0; i < ARRAY_SIZE(init_seq); i++) { - ret = ams369fg06_panel_send_sequence(lcd, init_seq[i]); - if (ret) - break; - } - - return ret; -} - -static int ams369fg06_ldi_enable(struct ams369fg06 *lcd) -{ - int ret, i; - static const unsigned short *init_seq[] = { - seq_stand_by_off, - seq_display_on, - }; - - for (i = 0; i < ARRAY_SIZE(init_seq); i++) { - ret = ams369fg06_panel_send_sequence(lcd, init_seq[i]); - if (ret) - break; - } - - return ret; -} - -static int ams369fg06_ldi_disable(struct ams369fg06 *lcd) -{ - int ret, i; - - static const unsigned short *init_seq[] = { - seq_display_off, - seq_stand_by_on, - }; - - for (i = 0; i < ARRAY_SIZE(init_seq); i++) { - ret = ams369fg06_panel_send_sequence(lcd, init_seq[i]); - if (ret) - break; - } - - return ret; -} - -static int ams369fg06_power_is_on(int power) -{ - return ((power) <= FB_BLANK_NORMAL); -} - -static int ams369fg06_power_on(struct ams369fg06 *lcd) -{ - int ret = 0; - struct lcd_platform_data *pd = NULL; - struct backlight_device *bd = NULL; - - pd = lcd->lcd_pd; - if (!pd) { - dev_err(lcd->dev, "platform data is NULL.\n"); - return -EFAULT; - } - - bd = lcd->bd; - if (!bd) { - dev_err(lcd->dev, "backlight device is NULL.\n"); - return -EFAULT; - } - - if (!pd->power_on) { - dev_err(lcd->dev, "power_on is NULL.\n"); - return -EFAULT; - } else { - pd->power_on(lcd->ld, 1); - mdelay(pd->power_on_delay); - } - - if (!pd->reset) { - dev_err(lcd->dev, "reset is NULL.\n"); - return -EFAULT; - } else { - pd->reset(lcd->ld); - mdelay(pd->reset_delay); - } - - ret = ams369fg06_ldi_init(lcd); - if (ret) { - dev_err(lcd->dev, "failed to initialize ldi.\n"); - return ret; - } - - ret = ams369fg06_ldi_enable(lcd); - if (ret) { - dev_err(lcd->dev, "failed to enable ldi.\n"); - return ret; - } - - /* set brightness to current value after power on or resume. */ - ret = ams369fg06_gamma_ctl(lcd, bd->props.brightness); - if (ret) { - dev_err(lcd->dev, "lcd gamma setting failed.\n"); - return ret; - } - - return 0; -} - -static int ams369fg06_power_off(struct ams369fg06 *lcd) -{ - int ret = 0; - struct lcd_platform_data *pd = NULL; - - pd = lcd->lcd_pd; - if (!pd) { - dev_err(lcd->dev, "platform data is NULL\n"); - return -EFAULT; - } - - ret = ams369fg06_ldi_disable(lcd); - if (ret) { - dev_err(lcd->dev, "lcd setting failed.\n"); - return -EIO; - } - - mdelay(pd->power_off_delay); - - if (!pd->power_on) { - dev_err(lcd->dev, "power_on is NULL.\n"); - return -EFAULT; - } else - pd->power_on(lcd->ld, 0); - - return 0; -} - -static int ams369fg06_power(struct ams369fg06 *lcd, int power) -{ - int ret = 0; - - if (ams369fg06_power_is_on(power) && - !ams369fg06_power_is_on(lcd->power)) - ret = ams369fg06_power_on(lcd); - else if (!ams369fg06_power_is_on(power) && - ams369fg06_power_is_on(lcd->power)) - ret = ams369fg06_power_off(lcd); - - if (!ret) - lcd->power = power; - - return ret; -} - -static int ams369fg06_get_power(struct lcd_device *ld) -{ - struct ams369fg06 *lcd = lcd_get_data(ld); - - return lcd->power; -} - -static int ams369fg06_set_power(struct lcd_device *ld, int power) -{ - struct ams369fg06 *lcd = lcd_get_data(ld); - - if (power != FB_BLANK_UNBLANK && power != FB_BLANK_POWERDOWN && - power != FB_BLANK_NORMAL) { - dev_err(lcd->dev, "power value should be 0, 1 or 4.\n"); - return -EINVAL; - } - - return ams369fg06_power(lcd, power); -} - -static int ams369fg06_get_brightness(struct backlight_device *bd) -{ - return bd->props.brightness; -} - -static int ams369fg06_set_brightness(struct backlight_device *bd) -{ - int ret = 0; - int brightness = bd->props.brightness; - struct ams369fg06 *lcd = dev_get_drvdata(&bd->dev); - - if (brightness < MIN_BRIGHTNESS || - brightness > bd->props.max_brightness) { - dev_err(&bd->dev, "lcd brightness should be %d to %d.\n", - MIN_BRIGHTNESS, MAX_BRIGHTNESS); - return -EINVAL; - } - - ret = ams369fg06_gamma_ctl(lcd, bd->props.brightness); - if (ret) { - dev_err(&bd->dev, "lcd brightness setting failed.\n"); - return -EIO; - } - - return ret; -} - -static struct lcd_ops ams369fg06_lcd_ops = { - .get_power = ams369fg06_get_power, - .set_power = ams369fg06_set_power, -}; - -static const struct backlight_ops ams369fg06_backlight_ops = { - .get_brightness = ams369fg06_get_brightness, - .update_status = ams369fg06_set_brightness, -}; - -static int __devinit ams369fg06_probe(struct spi_device *spi) -{ - int ret = 0; - struct ams369fg06 *lcd = NULL; - struct lcd_device *ld = NULL; - struct backlight_device *bd = NULL; - struct backlight_properties props; - - lcd = kzalloc(sizeof(struct ams369fg06), GFP_KERNEL); - if (!lcd) - return -ENOMEM; - - /* ams369fg06 lcd panel uses 3-wire 16bits SPI Mode. */ - spi->bits_per_word = 16; - - ret = spi_setup(spi); - if (ret < 0) { - dev_err(&spi->dev, "spi setup failed.\n"); - goto out_free_lcd; - } - - lcd->spi = spi; - lcd->dev = &spi->dev; - - lcd->lcd_pd = spi->dev.platform_data; - if (!lcd->lcd_pd) { - dev_err(&spi->dev, "platform data is NULL\n"); - goto out_free_lcd; - } - - ld = lcd_device_register("ams369fg06", &spi->dev, lcd, - &ams369fg06_lcd_ops); - if (IS_ERR(ld)) { - ret = PTR_ERR(ld); - goto out_free_lcd; - } - - lcd->ld = ld; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = MAX_BRIGHTNESS; - - bd = backlight_device_register("ams369fg06-bl", &spi->dev, lcd, - &ams369fg06_backlight_ops, &props); - if (IS_ERR(bd)) { - ret = PTR_ERR(bd); - goto out_lcd_unregister; - } - - bd->props.brightness = DEFAULT_BRIGHTNESS; - lcd->bd = bd; - - if (!lcd->lcd_pd->lcd_enabled) { - /* - * if lcd panel was off from bootloader then - * current lcd status is powerdown and then - * it enables lcd panel. - */ - lcd->power = FB_BLANK_POWERDOWN; - - ams369fg06_power(lcd, FB_BLANK_UNBLANK); - } else - lcd->power = FB_BLANK_UNBLANK; - - dev_set_drvdata(&spi->dev, lcd); - - dev_info(&spi->dev, "ams369fg06 panel driver has been probed.\n"); - - return 0; - -out_lcd_unregister: - lcd_device_unregister(ld); -out_free_lcd: - kfree(lcd); - return ret; -} - -static int __devexit ams369fg06_remove(struct spi_device *spi) -{ - struct ams369fg06 *lcd = dev_get_drvdata(&spi->dev); - - ams369fg06_power(lcd, FB_BLANK_POWERDOWN); - backlight_device_unregister(lcd->bd); - lcd_device_unregister(lcd->ld); - kfree(lcd); - - return 0; -} - -#if defined(CONFIG_PM) -static unsigned int before_power; - -static int ams369fg06_suspend(struct spi_device *spi, pm_message_t mesg) -{ - int ret = 0; - struct ams369fg06 *lcd = dev_get_drvdata(&spi->dev); - - dev_dbg(&spi->dev, "lcd->power = %d\n", lcd->power); - - before_power = lcd->power; - - /* - * when lcd panel is suspend, lcd panel becomes off - * regardless of status. - */ - ret = ams369fg06_power(lcd, FB_BLANK_POWERDOWN); - - return ret; -} - -static int ams369fg06_resume(struct spi_device *spi) -{ - int ret = 0; - struct ams369fg06 *lcd = dev_get_drvdata(&spi->dev); - - /* - * after suspended, if lcd panel status is FB_BLANK_UNBLANK - * (at that time, before_power is FB_BLANK_UNBLANK) then - * it changes that status to FB_BLANK_POWERDOWN to get lcd on. - */ - if (before_power == FB_BLANK_UNBLANK) - lcd->power = FB_BLANK_POWERDOWN; - - dev_dbg(&spi->dev, "before_power = %d\n", before_power); - - ret = ams369fg06_power(lcd, before_power); - - return ret; -} -#else -#define ams369fg06_suspend NULL -#define ams369fg06_resume NULL -#endif - -static void ams369fg06_shutdown(struct spi_device *spi) -{ - struct ams369fg06 *lcd = dev_get_drvdata(&spi->dev); - - ams369fg06_power(lcd, FB_BLANK_POWERDOWN); -} - -static struct spi_driver ams369fg06_driver = { - .driver = { - .name = "ams369fg06", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - }, - .probe = ams369fg06_probe, - .remove = __devexit_p(ams369fg06_remove), - .shutdown = ams369fg06_shutdown, - .suspend = ams369fg06_suspend, - .resume = ams369fg06_resume, -}; - -module_spi_driver(ams369fg06_driver); - -MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>"); -MODULE_DESCRIPTION("ams369fg06 LCD Driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/apple_bl.c b/ANDROID_3.4.5/drivers/video/backlight/apple_bl.c deleted file mode 100644 index a523b255..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/apple_bl.c +++ /dev/null @@ -1,260 +0,0 @@ -/* - * Backlight Driver for Intel-based Apples - * - * Copyright (c) Red Hat <mjg@redhat.com> - * Based on code from Pommed: - * Copyright (C) 2006 Nicolas Boichat <nicolas @boichat.ch> - * Copyright (C) 2006 Felipe Alfaro Solana <felipe_alfaro @linuxmail.org> - * Copyright (C) 2007 Julien BLACHE <jb@jblache.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This driver triggers SMIs which cause the firmware to change the - * backlight brightness. This is icky in many ways, but it's impractical to - * get at the firmware code in order to figure out what it's actually doing. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/backlight.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/pci.h> -#include <linux/acpi.h> -#include <linux/atomic.h> - -static struct backlight_device *apple_backlight_device; - -struct hw_data { - /* I/O resource to allocate. */ - unsigned long iostart; - unsigned long iolen; - /* Backlight operations structure. */ - const struct backlight_ops backlight_ops; - void (*set_brightness)(int); -}; - -static const struct hw_data *hw_data; - -#define DRIVER "apple_backlight: " - -/* Module parameters. */ -static int debug; -module_param_named(debug, debug, int, 0644); -MODULE_PARM_DESC(debug, "Set to one to enable debugging messages."); - -/* - * Implementation for machines with Intel chipset. - */ -static void intel_chipset_set_brightness(int intensity) -{ - outb(0x04 | (intensity << 4), 0xb3); - outb(0xbf, 0xb2); -} - -static int intel_chipset_send_intensity(struct backlight_device *bd) -{ - int intensity = bd->props.brightness; - - if (debug) - printk(KERN_DEBUG DRIVER "setting brightness to %d\n", - intensity); - - intel_chipset_set_brightness(intensity); - return 0; -} - -static int intel_chipset_get_intensity(struct backlight_device *bd) -{ - int intensity; - - outb(0x03, 0xb3); - outb(0xbf, 0xb2); - intensity = inb(0xb3) >> 4; - - if (debug) - printk(KERN_DEBUG DRIVER "read brightness of %d\n", - intensity); - - return intensity; -} - -static const struct hw_data intel_chipset_data = { - .iostart = 0xb2, - .iolen = 2, - .backlight_ops = { - .options = BL_CORE_SUSPENDRESUME, - .get_brightness = intel_chipset_get_intensity, - .update_status = intel_chipset_send_intensity, - }, - .set_brightness = intel_chipset_set_brightness, -}; - -/* - * Implementation for machines with Nvidia chipset. - */ -static void nvidia_chipset_set_brightness(int intensity) -{ - outb(0x04 | (intensity << 4), 0x52f); - outb(0xbf, 0x52e); -} - -static int nvidia_chipset_send_intensity(struct backlight_device *bd) -{ - int intensity = bd->props.brightness; - - if (debug) - printk(KERN_DEBUG DRIVER "setting brightness to %d\n", - intensity); - - nvidia_chipset_set_brightness(intensity); - return 0; -} - -static int nvidia_chipset_get_intensity(struct backlight_device *bd) -{ - int intensity; - - outb(0x03, 0x52f); - outb(0xbf, 0x52e); - intensity = inb(0x52f) >> 4; - - if (debug) - printk(KERN_DEBUG DRIVER "read brightness of %d\n", - intensity); - - return intensity; -} - -static const struct hw_data nvidia_chipset_data = { - .iostart = 0x52e, - .iolen = 2, - .backlight_ops = { - .options = BL_CORE_SUSPENDRESUME, - .get_brightness = nvidia_chipset_get_intensity, - .update_status = nvidia_chipset_send_intensity - }, - .set_brightness = nvidia_chipset_set_brightness, -}; - -static int __devinit apple_bl_add(struct acpi_device *dev) -{ - struct backlight_properties props; - struct pci_dev *host; - int intensity; - - host = pci_get_bus_and_slot(0, 0); - - if (!host) { - printk(KERN_ERR DRIVER "unable to find PCI host\n"); - return -ENODEV; - } - - if (host->vendor == PCI_VENDOR_ID_INTEL) - hw_data = &intel_chipset_data; - else if (host->vendor == PCI_VENDOR_ID_NVIDIA) - hw_data = &nvidia_chipset_data; - - pci_dev_put(host); - - if (!hw_data) { - printk(KERN_ERR DRIVER "unknown hardware\n"); - return -ENODEV; - } - - /* Check that the hardware responds - this may not work under EFI */ - - intensity = hw_data->backlight_ops.get_brightness(NULL); - - if (!intensity) { - hw_data->set_brightness(1); - if (!hw_data->backlight_ops.get_brightness(NULL)) - return -ENODEV; - - hw_data->set_brightness(0); - } - - if (!request_region(hw_data->iostart, hw_data->iolen, - "Apple backlight")) - return -ENXIO; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_PLATFORM; - props.max_brightness = 15; - apple_backlight_device = backlight_device_register("apple_backlight", - NULL, NULL, &hw_data->backlight_ops, &props); - - if (IS_ERR(apple_backlight_device)) { - release_region(hw_data->iostart, hw_data->iolen); - return PTR_ERR(apple_backlight_device); - } - - apple_backlight_device->props.brightness = - hw_data->backlight_ops.get_brightness(apple_backlight_device); - backlight_update_status(apple_backlight_device); - - return 0; -} - -static int __devexit apple_bl_remove(struct acpi_device *dev, int type) -{ - backlight_device_unregister(apple_backlight_device); - - release_region(hw_data->iostart, hw_data->iolen); - hw_data = NULL; - return 0; -} - -static const struct acpi_device_id apple_bl_ids[] = { - {"APP0002", 0}, - {"", 0}, -}; - -static struct acpi_driver apple_bl_driver = { - .name = "Apple backlight", - .ids = apple_bl_ids, - .ops = { - .add = apple_bl_add, - .remove = apple_bl_remove, - }, -}; - -static atomic_t apple_bl_registered = ATOMIC_INIT(0); - -int apple_bl_register(void) -{ - if (atomic_xchg(&apple_bl_registered, 1) == 0) - return acpi_bus_register_driver(&apple_bl_driver); - - return 0; -} -EXPORT_SYMBOL_GPL(apple_bl_register); - -void apple_bl_unregister(void) -{ - if (atomic_xchg(&apple_bl_registered, 0) == 1) - acpi_bus_unregister_driver(&apple_bl_driver); -} -EXPORT_SYMBOL_GPL(apple_bl_unregister); - -static int __init apple_bl_init(void) -{ - return apple_bl_register(); -} - -static void __exit apple_bl_exit(void) -{ - apple_bl_unregister(); -} - -module_init(apple_bl_init); -module_exit(apple_bl_exit); - -MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>"); -MODULE_DESCRIPTION("Apple Backlight Driver"); -MODULE_LICENSE("GPL"); -MODULE_DEVICE_TABLE(acpi, apple_bl_ids); -MODULE_ALIAS("mbp_nvidia_bl"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/atmel-pwm-bl.c b/ANDROID_3.4.5/drivers/video/backlight/atmel-pwm-bl.c deleted file mode 100644 index 0443a4f7..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/atmel-pwm-bl.c +++ /dev/null @@ -1,248 +0,0 @@ -/* - * Copyright (C) 2008 Atmel Corporation - * - * Backlight driver using Atmel PWM peripheral. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/fb.h> -#include <linux/clk.h> -#include <linux/gpio.h> -#include <linux/backlight.h> -#include <linux/atmel_pwm.h> -#include <linux/atmel-pwm-bl.h> -#include <linux/slab.h> - -struct atmel_pwm_bl { - const struct atmel_pwm_bl_platform_data *pdata; - struct backlight_device *bldev; - struct platform_device *pdev; - struct pwm_channel pwmc; - int gpio_on; -}; - -static int atmel_pwm_bl_set_intensity(struct backlight_device *bd) -{ - struct atmel_pwm_bl *pwmbl = bl_get_data(bd); - int intensity = bd->props.brightness; - int pwm_duty; - - if (bd->props.power != FB_BLANK_UNBLANK) - intensity = 0; - if (bd->props.fb_blank != FB_BLANK_UNBLANK) - intensity = 0; - - if (pwmbl->pdata->pwm_active_low) - pwm_duty = pwmbl->pdata->pwm_duty_min + intensity; - else - pwm_duty = pwmbl->pdata->pwm_duty_max - intensity; - - if (pwm_duty > pwmbl->pdata->pwm_duty_max) - pwm_duty = pwmbl->pdata->pwm_duty_max; - if (pwm_duty < pwmbl->pdata->pwm_duty_min) - pwm_duty = pwmbl->pdata->pwm_duty_min; - - if (!intensity) { - if (pwmbl->gpio_on != -1) { - gpio_set_value(pwmbl->gpio_on, - 0 ^ pwmbl->pdata->on_active_low); - } - pwm_channel_writel(&pwmbl->pwmc, PWM_CUPD, pwm_duty); - pwm_channel_disable(&pwmbl->pwmc); - } else { - pwm_channel_enable(&pwmbl->pwmc); - pwm_channel_writel(&pwmbl->pwmc, PWM_CUPD, pwm_duty); - if (pwmbl->gpio_on != -1) { - gpio_set_value(pwmbl->gpio_on, - 1 ^ pwmbl->pdata->on_active_low); - } - } - - return 0; -} - -static int atmel_pwm_bl_get_intensity(struct backlight_device *bd) -{ - struct atmel_pwm_bl *pwmbl = bl_get_data(bd); - u8 intensity; - - if (pwmbl->pdata->pwm_active_low) { - intensity = pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY) - - pwmbl->pdata->pwm_duty_min; - } else { - intensity = pwmbl->pdata->pwm_duty_max - - pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY); - } - - return intensity; -} - -static int atmel_pwm_bl_init_pwm(struct atmel_pwm_bl *pwmbl) -{ - unsigned long pwm_rate = pwmbl->pwmc.mck; - unsigned long prescale = DIV_ROUND_UP(pwm_rate, - (pwmbl->pdata->pwm_frequency * - pwmbl->pdata->pwm_compare_max)) - 1; - - /* - * Prescale must be power of two and maximum 0xf in size because of - * hardware limit. PWM speed will be: - * PWM module clock speed / (2 ^ prescale). - */ - prescale = fls(prescale); - if (prescale > 0xf) - prescale = 0xf; - - pwm_channel_writel(&pwmbl->pwmc, PWM_CMR, prescale); - pwm_channel_writel(&pwmbl->pwmc, PWM_CDTY, - pwmbl->pdata->pwm_duty_min + - pwmbl->bldev->props.brightness); - pwm_channel_writel(&pwmbl->pwmc, PWM_CPRD, - pwmbl->pdata->pwm_compare_max); - - dev_info(&pwmbl->pdev->dev, "Atmel PWM backlight driver " - "(%lu Hz)\n", pwmbl->pwmc.mck / - pwmbl->pdata->pwm_compare_max / - (1 << prescale)); - - return pwm_channel_enable(&pwmbl->pwmc); -} - -static const struct backlight_ops atmel_pwm_bl_ops = { - .get_brightness = atmel_pwm_bl_get_intensity, - .update_status = atmel_pwm_bl_set_intensity, -}; - -static int atmel_pwm_bl_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - const struct atmel_pwm_bl_platform_data *pdata; - struct backlight_device *bldev; - struct atmel_pwm_bl *pwmbl; - int retval; - - pwmbl = kzalloc(sizeof(struct atmel_pwm_bl), GFP_KERNEL); - if (!pwmbl) - return -ENOMEM; - - pwmbl->pdev = pdev; - - pdata = pdev->dev.platform_data; - if (!pdata) { - retval = -ENODEV; - goto err_free_mem; - } - - if (pdata->pwm_compare_max < pdata->pwm_duty_max || - pdata->pwm_duty_min > pdata->pwm_duty_max || - pdata->pwm_frequency == 0) { - retval = -EINVAL; - goto err_free_mem; - } - - pwmbl->pdata = pdata; - pwmbl->gpio_on = pdata->gpio_on; - - retval = pwm_channel_alloc(pdata->pwm_channel, &pwmbl->pwmc); - if (retval) - goto err_free_mem; - - if (pwmbl->gpio_on != -1) { - retval = gpio_request(pwmbl->gpio_on, "gpio_atmel_pwm_bl"); - if (retval) { - pwmbl->gpio_on = -1; - goto err_free_pwm; - } - - /* Turn display off by default. */ - retval = gpio_direction_output(pwmbl->gpio_on, - 0 ^ pdata->on_active_low); - if (retval) - goto err_free_gpio; - } - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = pdata->pwm_duty_max - pdata->pwm_duty_min; - bldev = backlight_device_register("atmel-pwm-bl", &pdev->dev, pwmbl, - &atmel_pwm_bl_ops, &props); - if (IS_ERR(bldev)) { - retval = PTR_ERR(bldev); - goto err_free_gpio; - } - - pwmbl->bldev = bldev; - - platform_set_drvdata(pdev, pwmbl); - - /* Power up the backlight by default at middle intesity. */ - bldev->props.power = FB_BLANK_UNBLANK; - bldev->props.brightness = bldev->props.max_brightness / 2; - - retval = atmel_pwm_bl_init_pwm(pwmbl); - if (retval) - goto err_free_bl_dev; - - atmel_pwm_bl_set_intensity(bldev); - - return 0; - -err_free_bl_dev: - platform_set_drvdata(pdev, NULL); - backlight_device_unregister(bldev); -err_free_gpio: - if (pwmbl->gpio_on != -1) - gpio_free(pwmbl->gpio_on); -err_free_pwm: - pwm_channel_free(&pwmbl->pwmc); -err_free_mem: - kfree(pwmbl); - return retval; -} - -static int __exit atmel_pwm_bl_remove(struct platform_device *pdev) -{ - struct atmel_pwm_bl *pwmbl = platform_get_drvdata(pdev); - - if (pwmbl->gpio_on != -1) { - gpio_set_value(pwmbl->gpio_on, 0); - gpio_free(pwmbl->gpio_on); - } - pwm_channel_disable(&pwmbl->pwmc); - pwm_channel_free(&pwmbl->pwmc); - backlight_device_unregister(pwmbl->bldev); - platform_set_drvdata(pdev, NULL); - kfree(pwmbl); - - return 0; -} - -static struct platform_driver atmel_pwm_bl_driver = { - .driver = { - .name = "atmel-pwm-bl", - }, - /* REVISIT add suspend() and resume() */ - .remove = __exit_p(atmel_pwm_bl_remove), -}; - -static int __init atmel_pwm_bl_init(void) -{ - return platform_driver_probe(&atmel_pwm_bl_driver, atmel_pwm_bl_probe); -} -module_init(atmel_pwm_bl_init); - -static void __exit atmel_pwm_bl_exit(void) -{ - platform_driver_unregister(&atmel_pwm_bl_driver); -} -module_exit(atmel_pwm_bl_exit); - -MODULE_AUTHOR("Hans-Christian egtvedt <hans-christian.egtvedt@atmel.com>"); -MODULE_DESCRIPTION("Atmel PWM backlight driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/backlight.c b/ANDROID_3.4.5/drivers/video/backlight/backlight.c deleted file mode 100644 index bf5b1ece..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/backlight.c +++ /dev/null @@ -1,401 +0,0 @@ -/* - * Backlight Lowlevel Control Abstraction - * - * Copyright (C) 2003,2004 Hewlett-Packard Company - * - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/device.h> -#include <linux/backlight.h> -#include <linux/notifier.h> -#include <linux/ctype.h> -#include <linux/err.h> -#include <linux/fb.h> -#include <linux/slab.h> - -#ifdef CONFIG_PMAC_BACKLIGHT -#include <asm/backlight.h> -#endif - -static const char *const backlight_types[] = { - [BACKLIGHT_RAW] = "raw", - [BACKLIGHT_PLATFORM] = "platform", - [BACKLIGHT_FIRMWARE] = "firmware", -}; - -#if defined(CONFIG_FB) || (defined(CONFIG_FB_MODULE) && \ - defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)) -/* This callback gets called when something important happens inside a - * framebuffer driver. We're looking if that important event is blanking, - * and if it is, we're switching backlight power as well ... - */ -static int fb_notifier_callback(struct notifier_block *self, - unsigned long event, void *data) -{ - struct backlight_device *bd; - struct fb_event *evdata = data; - - /* If we aren't interested in this event, skip it immediately ... */ - if (event != FB_EVENT_BLANK && event != FB_EVENT_CONBLANK) - return 0; - - bd = container_of(self, struct backlight_device, fb_notif); - mutex_lock(&bd->ops_lock); - if (bd->ops) - if (!bd->ops->check_fb || - bd->ops->check_fb(bd, evdata->info)) { - bd->props.fb_blank = *(int *)evdata->data; - if (bd->props.fb_blank == FB_BLANK_UNBLANK) - bd->props.state &= ~BL_CORE_FBBLANK; - else - bd->props.state |= BL_CORE_FBBLANK; - backlight_update_status(bd); - } - mutex_unlock(&bd->ops_lock); - return 0; -} - -static int backlight_register_fb(struct backlight_device *bd) -{ - memset(&bd->fb_notif, 0, sizeof(bd->fb_notif)); - bd->fb_notif.notifier_call = fb_notifier_callback; - - return fb_register_client(&bd->fb_notif); -} - -static void backlight_unregister_fb(struct backlight_device *bd) -{ - fb_unregister_client(&bd->fb_notif); -} -#else -static inline int backlight_register_fb(struct backlight_device *bd) -{ - return 0; -} - -static inline void backlight_unregister_fb(struct backlight_device *bd) -{ -} -#endif /* CONFIG_FB */ - -static void backlight_generate_event(struct backlight_device *bd, - enum backlight_update_reason reason) -{ - char *envp[2]; - - switch (reason) { - case BACKLIGHT_UPDATE_SYSFS: - envp[0] = "SOURCE=sysfs"; - break; - case BACKLIGHT_UPDATE_HOTKEY: - envp[0] = "SOURCE=hotkey"; - break; - default: - envp[0] = "SOURCE=unknown"; - break; - } - envp[1] = NULL; - kobject_uevent_env(&bd->dev.kobj, KOBJ_CHANGE, envp); - sysfs_notify(&bd->dev.kobj, NULL, "actual_brightness"); -} - -static ssize_t backlight_show_power(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct backlight_device *bd = to_backlight_device(dev); - - return sprintf(buf, "%d\n", bd->props.power); -} - -static ssize_t backlight_store_power(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - int rc; - struct backlight_device *bd = to_backlight_device(dev); - unsigned long power; - - rc = kstrtoul(buf, 0, &power); - if (rc) - return rc; - - rc = -ENXIO; - mutex_lock(&bd->ops_lock); - if (bd->ops) { - pr_debug("backlight: set power to %lu\n", power); - if (bd->props.power != power) { - bd->props.power = power; - backlight_update_status(bd); - } - rc = count; - } - mutex_unlock(&bd->ops_lock); - - return rc; -} - -static ssize_t backlight_show_brightness(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct backlight_device *bd = to_backlight_device(dev); - - return sprintf(buf, "%d\n", bd->props.brightness); -} - -static ssize_t backlight_store_brightness(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - int rc; - struct backlight_device *bd = to_backlight_device(dev); - unsigned long brightness; - - rc = kstrtoul(buf, 0, &brightness); - if (rc) - return rc; - - rc = -ENXIO; - - mutex_lock(&bd->ops_lock); - if (bd->ops) { - if (brightness > bd->props.max_brightness) - rc = -EINVAL; - else { - pr_debug("backlight: set brightness to %lu\n", - brightness); - bd->props.brightness = brightness; - backlight_update_status(bd); - rc = count; - } - } - mutex_unlock(&bd->ops_lock); - - backlight_generate_event(bd, BACKLIGHT_UPDATE_SYSFS); - - return rc; -} - -static ssize_t backlight_show_type(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct backlight_device *bd = to_backlight_device(dev); - - return sprintf(buf, "%s\n", backlight_types[bd->props.type]); -} - -static ssize_t backlight_show_max_brightness(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct backlight_device *bd = to_backlight_device(dev); - - return sprintf(buf, "%d\n", bd->props.max_brightness); -} - -static ssize_t backlight_show_actual_brightness(struct device *dev, - struct device_attribute *attr, char *buf) -{ - int rc = -ENXIO; - struct backlight_device *bd = to_backlight_device(dev); - - mutex_lock(&bd->ops_lock); - if (bd->ops && bd->ops->get_brightness) - rc = sprintf(buf, "%d\n", bd->ops->get_brightness(bd)); - mutex_unlock(&bd->ops_lock); - - return rc; -} - -static struct class *backlight_class; - -static int backlight_suspend(struct device *dev, pm_message_t state) -{ - struct backlight_device *bd = to_backlight_device(dev); - - mutex_lock(&bd->ops_lock); - if (bd->ops && bd->ops->options & BL_CORE_SUSPENDRESUME) { - bd->props.state |= BL_CORE_SUSPENDED; - backlight_update_status(bd); - } - mutex_unlock(&bd->ops_lock); - - return 0; -} - -static int backlight_resume(struct device *dev) -{ - struct backlight_device *bd = to_backlight_device(dev); - - mutex_lock(&bd->ops_lock); - if (bd->ops && bd->ops->options & BL_CORE_SUSPENDRESUME) { - bd->props.state &= ~BL_CORE_SUSPENDED; - backlight_update_status(bd); - } - mutex_unlock(&bd->ops_lock); - - return 0; -} - -static void bl_device_release(struct device *dev) -{ - struct backlight_device *bd = to_backlight_device(dev); - kfree(bd); -} - -static struct device_attribute bl_device_attributes[] = { - __ATTR(bl_power, 0644, backlight_show_power, backlight_store_power), - __ATTR(brightness, 0644, backlight_show_brightness, - backlight_store_brightness), - __ATTR(actual_brightness, 0444, backlight_show_actual_brightness, - NULL), - __ATTR(max_brightness, 0444, backlight_show_max_brightness, NULL), - __ATTR(type, 0444, backlight_show_type, NULL), - __ATTR_NULL, -}; - -/** - * backlight_force_update - tell the backlight subsystem that hardware state - * has changed - * @bd: the backlight device to update - * - * Updates the internal state of the backlight in response to a hardware event, - * and generate a uevent to notify userspace - */ -void backlight_force_update(struct backlight_device *bd, - enum backlight_update_reason reason) -{ - mutex_lock(&bd->ops_lock); - if (bd->ops && bd->ops->get_brightness) - bd->props.brightness = bd->ops->get_brightness(bd); - mutex_unlock(&bd->ops_lock); - backlight_generate_event(bd, reason); -} -EXPORT_SYMBOL(backlight_force_update); - -/** - * backlight_device_register - create and register a new object of - * backlight_device class. - * @name: the name of the new object(must be the same as the name of the - * respective framebuffer device). - * @parent: a pointer to the parent device - * @devdata: an optional pointer to be stored for private driver use. The - * methods may retrieve it by using bl_get_data(bd). - * @ops: the backlight operations structure. - * - * Creates and registers new backlight device. Returns either an - * ERR_PTR() or a pointer to the newly allocated device. - */ -struct backlight_device *backlight_device_register(const char *name, - struct device *parent, void *devdata, const struct backlight_ops *ops, - const struct backlight_properties *props) -{ - struct backlight_device *new_bd; - int rc; - - pr_debug("backlight_device_register: name=%s\n", name); - - new_bd = kzalloc(sizeof(struct backlight_device), GFP_KERNEL); - if (!new_bd) - return ERR_PTR(-ENOMEM); - - mutex_init(&new_bd->update_lock); - mutex_init(&new_bd->ops_lock); - - new_bd->dev.class = backlight_class; - new_bd->dev.parent = parent; - new_bd->dev.release = bl_device_release; - dev_set_name(&new_bd->dev, name); - dev_set_drvdata(&new_bd->dev, devdata); - - /* Set default properties */ - if (props) { - memcpy(&new_bd->props, props, - sizeof(struct backlight_properties)); - if (props->type <= 0 || props->type >= BACKLIGHT_TYPE_MAX) { - WARN(1, "%s: invalid backlight type", name); - new_bd->props.type = BACKLIGHT_RAW; - } - } else { - new_bd->props.type = BACKLIGHT_RAW; - } - - rc = device_register(&new_bd->dev); - if (rc) { - kfree(new_bd); - return ERR_PTR(rc); - } - - rc = backlight_register_fb(new_bd); - if (rc) { - device_unregister(&new_bd->dev); - return ERR_PTR(rc); - } - - new_bd->ops = ops; - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_lock(&pmac_backlight_mutex); - if (!pmac_backlight) - pmac_backlight = new_bd; - mutex_unlock(&pmac_backlight_mutex); -#endif - - return new_bd; -} -EXPORT_SYMBOL(backlight_device_register); - -/** - * backlight_device_unregister - unregisters a backlight device object. - * @bd: the backlight device object to be unregistered and freed. - * - * Unregisters a previously registered via backlight_device_register object. - */ -void backlight_device_unregister(struct backlight_device *bd) -{ - if (!bd) - return; - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_lock(&pmac_backlight_mutex); - if (pmac_backlight == bd) - pmac_backlight = NULL; - mutex_unlock(&pmac_backlight_mutex); -#endif - mutex_lock(&bd->ops_lock); - bd->ops = NULL; - mutex_unlock(&bd->ops_lock); - - backlight_unregister_fb(bd); - device_unregister(&bd->dev); -} -EXPORT_SYMBOL(backlight_device_unregister); - -static void __exit backlight_class_exit(void) -{ - class_destroy(backlight_class); -} - -static int __init backlight_class_init(void) -{ - backlight_class = class_create(THIS_MODULE, "backlight"); - if (IS_ERR(backlight_class)) { - printk(KERN_WARNING "Unable to create backlight class; errno = %ld\n", - PTR_ERR(backlight_class)); - return PTR_ERR(backlight_class); - } - - backlight_class->dev_attrs = bl_device_attributes; - backlight_class->suspend = backlight_suspend; - backlight_class->resume = backlight_resume; - return 0; -} - -/* - * if this is compiled into the kernel, we need to ensure that the - * class is registered before users of the class try to register lcd's - */ -postcore_initcall(backlight_class_init); -module_exit(backlight_class_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Jamey Hicks <jamey.hicks@hp.com>, Andrew Zabolotny <zap@homelink.ru>"); -MODULE_DESCRIPTION("Backlight Lowlevel Control Abstraction"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/corgi_lcd.c b/ANDROID_3.4.5/drivers/video/backlight/corgi_lcd.c deleted file mode 100644 index 6dab13fe..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/corgi_lcd.c +++ /dev/null @@ -1,637 +0,0 @@ -/* - * LCD/Backlight Driver for Sharp Zaurus Handhelds (various models) - * - * Copyright (c) 2004-2006 Richard Purdie - * - * Based on Sharp's 2.4 Backlight Driver - * - * Copyright (c) 2008 Marvell International Ltd. - * Converted to SPI device based LCD/Backlight device driver - * by Eric Miao <eric.miao@marvell.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/gpio.h> -#include <linux/fb.h> -#include <linux/lcd.h> -#include <linux/spi/spi.h> -#include <linux/spi/corgi_lcd.h> -#include <linux/slab.h> -#include <asm/mach/sharpsl_param.h> - -#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL) - -/* Register Addresses */ -#define RESCTL_ADRS 0x00 -#define PHACTRL_ADRS 0x01 -#define DUTYCTRL_ADRS 0x02 -#define POWERREG0_ADRS 0x03 -#define POWERREG1_ADRS 0x04 -#define GPOR3_ADRS 0x05 -#define PICTRL_ADRS 0x06 -#define POLCTRL_ADRS 0x07 - -/* Register Bit Definitions */ -#define RESCTL_QVGA 0x01 -#define RESCTL_VGA 0x00 - -#define POWER1_VW_ON 0x01 /* VW Supply FET ON */ -#define POWER1_GVSS_ON 0x02 /* GVSS(-8V) Power Supply ON */ -#define POWER1_VDD_ON 0x04 /* VDD(8V),SVSS(-4V) Power Supply ON */ - -#define POWER1_VW_OFF 0x00 /* VW Supply FET OFF */ -#define POWER1_GVSS_OFF 0x00 /* GVSS(-8V) Power Supply OFF */ -#define POWER1_VDD_OFF 0x00 /* VDD(8V),SVSS(-4V) Power Supply OFF */ - -#define POWER0_COM_DCLK 0x01 /* COM Voltage DC Bias DAC Serial Data Clock */ -#define POWER0_COM_DOUT 0x02 /* COM Voltage DC Bias DAC Serial Data Out */ -#define POWER0_DAC_ON 0x04 /* DAC Power Supply ON */ -#define POWER0_COM_ON 0x08 /* COM Power Supply ON */ -#define POWER0_VCC5_ON 0x10 /* VCC5 Power Supply ON */ - -#define POWER0_DAC_OFF 0x00 /* DAC Power Supply OFF */ -#define POWER0_COM_OFF 0x00 /* COM Power Supply OFF */ -#define POWER0_VCC5_OFF 0x00 /* VCC5 Power Supply OFF */ - -#define PICTRL_INIT_STATE 0x01 -#define PICTRL_INIOFF 0x02 -#define PICTRL_POWER_DOWN 0x04 -#define PICTRL_COM_SIGNAL_OFF 0x08 -#define PICTRL_DAC_SIGNAL_OFF 0x10 - -#define POLCTRL_SYNC_POL_FALL 0x01 -#define POLCTRL_EN_POL_FALL 0x02 -#define POLCTRL_DATA_POL_FALL 0x04 -#define POLCTRL_SYNC_ACT_H 0x08 -#define POLCTRL_EN_ACT_L 0x10 - -#define POLCTRL_SYNC_POL_RISE 0x00 -#define POLCTRL_EN_POL_RISE 0x00 -#define POLCTRL_DATA_POL_RISE 0x00 -#define POLCTRL_SYNC_ACT_L 0x00 -#define POLCTRL_EN_ACT_H 0x00 - -#define PHACTRL_PHASE_MANUAL 0x01 -#define DEFAULT_PHAD_QVGA (9) -#define DEFAULT_COMADJ (125) - -struct corgi_lcd { - struct spi_device *spi_dev; - struct lcd_device *lcd_dev; - struct backlight_device *bl_dev; - - int limit_mask; - int intensity; - int power; - int mode; - char buf[2]; - - int gpio_backlight_on; - int gpio_backlight_cont; - int gpio_backlight_cont_inverted; - - void (*kick_battery)(void); -}; - -static int corgi_ssp_lcdtg_send(struct corgi_lcd *lcd, int reg, uint8_t val); - -static struct corgi_lcd *the_corgi_lcd; -static unsigned long corgibl_flags; -#define CORGIBL_SUSPENDED 0x01 -#define CORGIBL_BATTLOW 0x02 - -/* - * This is only a pseudo I2C interface. We can't use the standard kernel - * routines as the interface is write only. We just assume the data is acked... - */ -static void lcdtg_ssp_i2c_send(struct corgi_lcd *lcd, uint8_t data) -{ - corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS, data); - udelay(10); -} - -static void lcdtg_i2c_send_bit(struct corgi_lcd *lcd, uint8_t data) -{ - lcdtg_ssp_i2c_send(lcd, data); - lcdtg_ssp_i2c_send(lcd, data | POWER0_COM_DCLK); - lcdtg_ssp_i2c_send(lcd, data); -} - -static void lcdtg_i2c_send_start(struct corgi_lcd *lcd, uint8_t base) -{ - lcdtg_ssp_i2c_send(lcd, base | POWER0_COM_DCLK | POWER0_COM_DOUT); - lcdtg_ssp_i2c_send(lcd, base | POWER0_COM_DCLK); - lcdtg_ssp_i2c_send(lcd, base); -} - -static void lcdtg_i2c_send_stop(struct corgi_lcd *lcd, uint8_t base) -{ - lcdtg_ssp_i2c_send(lcd, base); - lcdtg_ssp_i2c_send(lcd, base | POWER0_COM_DCLK); - lcdtg_ssp_i2c_send(lcd, base | POWER0_COM_DCLK | POWER0_COM_DOUT); -} - -static void lcdtg_i2c_send_byte(struct corgi_lcd *lcd, - uint8_t base, uint8_t data) -{ - int i; - for (i = 0; i < 8; i++) { - if (data & 0x80) - lcdtg_i2c_send_bit(lcd, base | POWER0_COM_DOUT); - else - lcdtg_i2c_send_bit(lcd, base); - data <<= 1; - } -} - -static void lcdtg_i2c_wait_ack(struct corgi_lcd *lcd, uint8_t base) -{ - lcdtg_i2c_send_bit(lcd, base); -} - -static void lcdtg_set_common_voltage(struct corgi_lcd *lcd, - uint8_t base_data, uint8_t data) -{ - /* Set Common Voltage to M62332FP via I2C */ - lcdtg_i2c_send_start(lcd, base_data); - lcdtg_i2c_send_byte(lcd, base_data, 0x9c); - lcdtg_i2c_wait_ack(lcd, base_data); - lcdtg_i2c_send_byte(lcd, base_data, 0x00); - lcdtg_i2c_wait_ack(lcd, base_data); - lcdtg_i2c_send_byte(lcd, base_data, data); - lcdtg_i2c_wait_ack(lcd, base_data); - lcdtg_i2c_send_stop(lcd, base_data); -} - -static int corgi_ssp_lcdtg_send(struct corgi_lcd *lcd, int adrs, uint8_t data) -{ - struct spi_message msg; - struct spi_transfer xfer = { - .len = 1, - .cs_change = 1, - .tx_buf = lcd->buf, - }; - - lcd->buf[0] = ((adrs & 0x07) << 5) | (data & 0x1f); - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - - return spi_sync(lcd->spi_dev, &msg); -} - -/* Set Phase Adjust */ -static void lcdtg_set_phadadj(struct corgi_lcd *lcd, int mode) -{ - int adj; - - switch(mode) { - case CORGI_LCD_MODE_VGA: - /* Setting for VGA */ - adj = sharpsl_param.phadadj; - adj = (adj < 0) ? PHACTRL_PHASE_MANUAL : - PHACTRL_PHASE_MANUAL | ((adj & 0xf) << 1); - break; - case CORGI_LCD_MODE_QVGA: - default: - /* Setting for QVGA */ - adj = (DEFAULT_PHAD_QVGA << 1) | PHACTRL_PHASE_MANUAL; - break; - } - - corgi_ssp_lcdtg_send(lcd, PHACTRL_ADRS, adj); -} - -static void corgi_lcd_power_on(struct corgi_lcd *lcd) -{ - int comadj; - - /* Initialize Internal Logic & Port */ - corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS, - PICTRL_POWER_DOWN | PICTRL_INIOFF | - PICTRL_INIT_STATE | PICTRL_COM_SIGNAL_OFF | - PICTRL_DAC_SIGNAL_OFF); - - corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS, - POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_OFF | - POWER0_COM_OFF | POWER0_VCC5_OFF); - - corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS, - POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_OFF); - - /* VDD(+8V), SVSS(-4V) ON */ - corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS, - POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_ON); - mdelay(3); - - /* DAC ON */ - corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS, - POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON | - POWER0_COM_OFF | POWER0_VCC5_OFF); - - /* INIB = H, INI = L */ - /* PICTL[0] = H , PICTL[1] = PICTL[2] = PICTL[4] = L */ - corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS, - PICTRL_INIT_STATE | PICTRL_COM_SIGNAL_OFF); - - /* Set Common Voltage */ - comadj = sharpsl_param.comadj; - if (comadj < 0) - comadj = DEFAULT_COMADJ; - - lcdtg_set_common_voltage(lcd, POWER0_DAC_ON | POWER0_COM_OFF | - POWER0_VCC5_OFF, comadj); - - /* VCC5 ON, DAC ON */ - corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS, - POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON | - POWER0_COM_OFF | POWER0_VCC5_ON); - - /* GVSS(-8V) ON, VDD ON */ - corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS, - POWER1_VW_OFF | POWER1_GVSS_ON | POWER1_VDD_ON); - mdelay(2); - - /* COM SIGNAL ON (PICTL[3] = L) */ - corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS, PICTRL_INIT_STATE); - - /* COM ON, DAC ON, VCC5_ON */ - corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS, - POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON | - POWER0_COM_ON | POWER0_VCC5_ON); - - /* VW ON, GVSS ON, VDD ON */ - corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS, - POWER1_VW_ON | POWER1_GVSS_ON | POWER1_VDD_ON); - - /* Signals output enable */ - corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS, 0); - - /* Set Phase Adjust */ - lcdtg_set_phadadj(lcd, lcd->mode); - - /* Initialize for Input Signals from ATI */ - corgi_ssp_lcdtg_send(lcd, POLCTRL_ADRS, - POLCTRL_SYNC_POL_RISE | POLCTRL_EN_POL_RISE | - POLCTRL_DATA_POL_RISE | POLCTRL_SYNC_ACT_L | - POLCTRL_EN_ACT_H); - udelay(1000); - - switch (lcd->mode) { - case CORGI_LCD_MODE_VGA: - corgi_ssp_lcdtg_send(lcd, RESCTL_ADRS, RESCTL_VGA); - break; - case CORGI_LCD_MODE_QVGA: - default: - corgi_ssp_lcdtg_send(lcd, RESCTL_ADRS, RESCTL_QVGA); - break; - } -} - -static void corgi_lcd_power_off(struct corgi_lcd *lcd) -{ - /* 60Hz x 2 frame = 16.7msec x 2 = 33.4 msec */ - msleep(34); - - /* (1)VW OFF */ - corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS, - POWER1_VW_OFF | POWER1_GVSS_ON | POWER1_VDD_ON); - - /* (2)COM OFF */ - corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS, PICTRL_COM_SIGNAL_OFF); - corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS, - POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_ON); - - /* (3)Set Common Voltage Bias 0V */ - lcdtg_set_common_voltage(lcd, POWER0_DAC_ON | POWER0_COM_OFF | - POWER0_VCC5_ON, 0); - - /* (4)GVSS OFF */ - corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS, - POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_ON); - - /* (5)VCC5 OFF */ - corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS, - POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_OFF); - - /* (6)Set PDWN, INIOFF, DACOFF */ - corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS, - PICTRL_INIOFF | PICTRL_DAC_SIGNAL_OFF | - PICTRL_POWER_DOWN | PICTRL_COM_SIGNAL_OFF); - - /* (7)DAC OFF */ - corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS, - POWER0_DAC_OFF | POWER0_COM_OFF | POWER0_VCC5_OFF); - - /* (8)VDD OFF */ - corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS, - POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_OFF); -} - -static int corgi_lcd_set_mode(struct lcd_device *ld, struct fb_videomode *m) -{ - struct corgi_lcd *lcd = dev_get_drvdata(&ld->dev); - int mode = CORGI_LCD_MODE_QVGA; - - if (m->xres == 640 || m->xres == 480) - mode = CORGI_LCD_MODE_VGA; - - if (lcd->mode == mode) - return 0; - - lcdtg_set_phadadj(lcd, mode); - - switch (mode) { - case CORGI_LCD_MODE_VGA: - corgi_ssp_lcdtg_send(lcd, RESCTL_ADRS, RESCTL_VGA); - break; - case CORGI_LCD_MODE_QVGA: - default: - corgi_ssp_lcdtg_send(lcd, RESCTL_ADRS, RESCTL_QVGA); - break; - } - - lcd->mode = mode; - return 0; -} - -static int corgi_lcd_set_power(struct lcd_device *ld, int power) -{ - struct corgi_lcd *lcd = dev_get_drvdata(&ld->dev); - - if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power)) - corgi_lcd_power_on(lcd); - - if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power)) - corgi_lcd_power_off(lcd); - - lcd->power = power; - return 0; -} - -static int corgi_lcd_get_power(struct lcd_device *ld) -{ - struct corgi_lcd *lcd = dev_get_drvdata(&ld->dev); - - return lcd->power; -} - -static struct lcd_ops corgi_lcd_ops = { - .get_power = corgi_lcd_get_power, - .set_power = corgi_lcd_set_power, - .set_mode = corgi_lcd_set_mode, -}; - -static int corgi_bl_get_intensity(struct backlight_device *bd) -{ - struct corgi_lcd *lcd = dev_get_drvdata(&bd->dev); - - return lcd->intensity; -} - -static int corgi_bl_set_intensity(struct corgi_lcd *lcd, int intensity) -{ - int cont; - - if (intensity > 0x10) - intensity += 0x10; - - corgi_ssp_lcdtg_send(lcd, DUTYCTRL_ADRS, intensity); - - /* Bit 5 via GPIO_BACKLIGHT_CONT */ - cont = !!(intensity & 0x20) ^ lcd->gpio_backlight_cont_inverted; - - if (gpio_is_valid(lcd->gpio_backlight_cont)) - gpio_set_value(lcd->gpio_backlight_cont, cont); - - if (gpio_is_valid(lcd->gpio_backlight_on)) - gpio_set_value(lcd->gpio_backlight_on, intensity); - - if (lcd->kick_battery) - lcd->kick_battery(); - - lcd->intensity = intensity; - return 0; -} - -static int corgi_bl_update_status(struct backlight_device *bd) -{ - struct corgi_lcd *lcd = dev_get_drvdata(&bd->dev); - int intensity = bd->props.brightness; - - if (bd->props.power != FB_BLANK_UNBLANK) - intensity = 0; - - if (bd->props.fb_blank != FB_BLANK_UNBLANK) - intensity = 0; - - if (corgibl_flags & CORGIBL_SUSPENDED) - intensity = 0; - - if ((corgibl_flags & CORGIBL_BATTLOW) && intensity > lcd->limit_mask) - intensity = lcd->limit_mask; - - return corgi_bl_set_intensity(lcd, intensity); -} - -void corgi_lcd_limit_intensity(int limit) -{ - if (limit) - corgibl_flags |= CORGIBL_BATTLOW; - else - corgibl_flags &= ~CORGIBL_BATTLOW; - - backlight_update_status(the_corgi_lcd->bl_dev); -} -EXPORT_SYMBOL(corgi_lcd_limit_intensity); - -static const struct backlight_ops corgi_bl_ops = { - .get_brightness = corgi_bl_get_intensity, - .update_status = corgi_bl_update_status, -}; - -#ifdef CONFIG_PM -static int corgi_lcd_suspend(struct spi_device *spi, pm_message_t state) -{ - struct corgi_lcd *lcd = dev_get_drvdata(&spi->dev); - - corgibl_flags |= CORGIBL_SUSPENDED; - corgi_bl_set_intensity(lcd, 0); - corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_POWERDOWN); - return 0; -} - -static int corgi_lcd_resume(struct spi_device *spi) -{ - struct corgi_lcd *lcd = dev_get_drvdata(&spi->dev); - - corgibl_flags &= ~CORGIBL_SUSPENDED; - corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_UNBLANK); - backlight_update_status(lcd->bl_dev); - return 0; -} -#else -#define corgi_lcd_suspend NULL -#define corgi_lcd_resume NULL -#endif - -static int setup_gpio_backlight(struct corgi_lcd *lcd, - struct corgi_lcd_platform_data *pdata) -{ - struct spi_device *spi = lcd->spi_dev; - int err; - - lcd->gpio_backlight_on = -1; - lcd->gpio_backlight_cont = -1; - - if (gpio_is_valid(pdata->gpio_backlight_on)) { - err = gpio_request(pdata->gpio_backlight_on, "BL_ON"); - if (err) { - dev_err(&spi->dev, "failed to request GPIO%d for " - "backlight_on\n", pdata->gpio_backlight_on); - return err; - } - - lcd->gpio_backlight_on = pdata->gpio_backlight_on; - gpio_direction_output(lcd->gpio_backlight_on, 0); - } - - if (gpio_is_valid(pdata->gpio_backlight_cont)) { - err = gpio_request(pdata->gpio_backlight_cont, "BL_CONT"); - if (err) { - dev_err(&spi->dev, "failed to request GPIO%d for " - "backlight_cont\n", pdata->gpio_backlight_cont); - goto err_free_backlight_on; - } - - lcd->gpio_backlight_cont = pdata->gpio_backlight_cont; - - /* spitz and akita use both GPIOs for backlight, and - * have inverted polarity of GPIO_BACKLIGHT_CONT - */ - if (gpio_is_valid(lcd->gpio_backlight_on)) { - lcd->gpio_backlight_cont_inverted = 1; - gpio_direction_output(lcd->gpio_backlight_cont, 1); - } else { - lcd->gpio_backlight_cont_inverted = 0; - gpio_direction_output(lcd->gpio_backlight_cont, 0); - } - } - return 0; - -err_free_backlight_on: - if (gpio_is_valid(lcd->gpio_backlight_on)) - gpio_free(lcd->gpio_backlight_on); - return err; -} - -static int __devinit corgi_lcd_probe(struct spi_device *spi) -{ - struct backlight_properties props; - struct corgi_lcd_platform_data *pdata = spi->dev.platform_data; - struct corgi_lcd *lcd; - int ret = 0; - - if (pdata == NULL) { - dev_err(&spi->dev, "platform data not available\n"); - return -EINVAL; - } - - lcd = kzalloc(sizeof(struct corgi_lcd), GFP_KERNEL); - if (!lcd) { - dev_err(&spi->dev, "failed to allocate memory\n"); - return -ENOMEM; - } - - lcd->spi_dev = spi; - - lcd->lcd_dev = lcd_device_register("corgi_lcd", &spi->dev, - lcd, &corgi_lcd_ops); - if (IS_ERR(lcd->lcd_dev)) { - ret = PTR_ERR(lcd->lcd_dev); - goto err_free_lcd; - } - lcd->power = FB_BLANK_POWERDOWN; - lcd->mode = (pdata) ? pdata->init_mode : CORGI_LCD_MODE_VGA; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = pdata->max_intensity; - lcd->bl_dev = backlight_device_register("corgi_bl", &spi->dev, lcd, - &corgi_bl_ops, &props); - if (IS_ERR(lcd->bl_dev)) { - ret = PTR_ERR(lcd->bl_dev); - goto err_unregister_lcd; - } - lcd->bl_dev->props.brightness = pdata->default_intensity; - lcd->bl_dev->props.power = FB_BLANK_UNBLANK; - - ret = setup_gpio_backlight(lcd, pdata); - if (ret) - goto err_unregister_bl; - - lcd->kick_battery = pdata->kick_battery; - - dev_set_drvdata(&spi->dev, lcd); - corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_UNBLANK); - backlight_update_status(lcd->bl_dev); - - lcd->limit_mask = pdata->limit_mask; - the_corgi_lcd = lcd; - return 0; - -err_unregister_bl: - backlight_device_unregister(lcd->bl_dev); -err_unregister_lcd: - lcd_device_unregister(lcd->lcd_dev); -err_free_lcd: - kfree(lcd); - return ret; -} - -static int __devexit corgi_lcd_remove(struct spi_device *spi) -{ - struct corgi_lcd *lcd = dev_get_drvdata(&spi->dev); - - lcd->bl_dev->props.power = FB_BLANK_UNBLANK; - lcd->bl_dev->props.brightness = 0; - backlight_update_status(lcd->bl_dev); - backlight_device_unregister(lcd->bl_dev); - - if (gpio_is_valid(lcd->gpio_backlight_on)) - gpio_free(lcd->gpio_backlight_on); - - if (gpio_is_valid(lcd->gpio_backlight_cont)) - gpio_free(lcd->gpio_backlight_cont); - - corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_POWERDOWN); - lcd_device_unregister(lcd->lcd_dev); - kfree(lcd); - - return 0; -} - -static struct spi_driver corgi_lcd_driver = { - .driver = { - .name = "corgi-lcd", - .owner = THIS_MODULE, - }, - .probe = corgi_lcd_probe, - .remove = __devexit_p(corgi_lcd_remove), - .suspend = corgi_lcd_suspend, - .resume = corgi_lcd_resume, -}; - -module_spi_driver(corgi_lcd_driver); - -MODULE_DESCRIPTION("LCD and backlight driver for SHARP C7x0/Cxx00"); -MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("spi:corgi-lcd"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/cr_bllcd.c b/ANDROID_3.4.5/drivers/video/backlight/cr_bllcd.c deleted file mode 100644 index 22489eb5..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/cr_bllcd.c +++ /dev/null @@ -1,289 +0,0 @@ -/* - * Copyright (c) Intel Corp. 2007. - * All Rights Reserved. - * - * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to - * develop this driver. - * - * This file is part of the Carillo Ranch video subsystem driver. - * The Carillo Ranch video subsystem driver is free software; - * you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * The Carillo Ranch video subsystem driver is distributed - * in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this driver; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - * Authors: - * Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> - * Alan Hourihane <alanh-at-tungstengraphics-dot-com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/mutex.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/lcd.h> -#include <linux/pci.h> -#include <linux/slab.h> - -/* The LVDS- and panel power controls sits on the - * GPIO port of the ISA bridge. - */ - -#define CRVML_DEVICE_LPC 0x27B8 -#define CRVML_REG_GPIOBAR 0x48 -#define CRVML_REG_GPIOEN 0x4C -#define CRVML_GPIOEN_BIT (1 << 4) -#define CRVML_PANEL_PORT 0x38 -#define CRVML_LVDS_ON 0x00000001 -#define CRVML_PANEL_ON 0x00000002 -#define CRVML_BACKLIGHT_OFF 0x00000004 - -/* The PLL Clock register sits on Host bridge */ -#define CRVML_DEVICE_MCH 0x5001 -#define CRVML_REG_MCHBAR 0x44 -#define CRVML_REG_MCHEN 0x54 -#define CRVML_MCHEN_BIT (1 << 28) -#define CRVML_MCHMAP_SIZE 4096 -#define CRVML_REG_CLOCK 0xc3c -#define CRVML_CLOCK_SHIFT 8 -#define CRVML_CLOCK_MASK 0x00000f00 - -static struct pci_dev *lpc_dev; -static u32 gpio_bar; - -struct cr_panel { - struct backlight_device *cr_backlight_device; - struct lcd_device *cr_lcd_device; -}; - -static int cr_backlight_set_intensity(struct backlight_device *bd) -{ - int intensity = bd->props.brightness; - u32 addr = gpio_bar + CRVML_PANEL_PORT; - u32 cur = inl(addr); - - if (bd->props.power == FB_BLANK_UNBLANK) - intensity = FB_BLANK_UNBLANK; - if (bd->props.fb_blank == FB_BLANK_UNBLANK) - intensity = FB_BLANK_UNBLANK; - if (bd->props.power == FB_BLANK_POWERDOWN) - intensity = FB_BLANK_POWERDOWN; - if (bd->props.fb_blank == FB_BLANK_POWERDOWN) - intensity = FB_BLANK_POWERDOWN; - - if (intensity == FB_BLANK_UNBLANK) { /* FULL ON */ - cur &= ~CRVML_BACKLIGHT_OFF; - outl(cur, addr); - } else if (intensity == FB_BLANK_POWERDOWN) { /* OFF */ - cur |= CRVML_BACKLIGHT_OFF; - outl(cur, addr); - } /* anything else, don't bother */ - - return 0; -} - -static int cr_backlight_get_intensity(struct backlight_device *bd) -{ - u32 addr = gpio_bar + CRVML_PANEL_PORT; - u32 cur = inl(addr); - u8 intensity; - - if (cur & CRVML_BACKLIGHT_OFF) - intensity = FB_BLANK_POWERDOWN; - else - intensity = FB_BLANK_UNBLANK; - - return intensity; -} - -static const struct backlight_ops cr_backlight_ops = { - .get_brightness = cr_backlight_get_intensity, - .update_status = cr_backlight_set_intensity, -}; - -static void cr_panel_on(void) -{ - u32 addr = gpio_bar + CRVML_PANEL_PORT; - u32 cur = inl(addr); - - if (!(cur & CRVML_PANEL_ON)) { - /* Make sure LVDS controller is down. */ - if (cur & 0x00000001) { - cur &= ~CRVML_LVDS_ON; - outl(cur, addr); - } - /* Power up Panel */ - schedule_timeout(HZ / 10); - cur |= CRVML_PANEL_ON; - outl(cur, addr); - } - - /* Power up LVDS controller */ - - if (!(cur & CRVML_LVDS_ON)) { - schedule_timeout(HZ / 10); - outl(cur | CRVML_LVDS_ON, addr); - } -} - -static void cr_panel_off(void) -{ - u32 addr = gpio_bar + CRVML_PANEL_PORT; - u32 cur = inl(addr); - - /* Power down LVDS controller first to avoid high currents */ - if (cur & CRVML_LVDS_ON) { - cur &= ~CRVML_LVDS_ON; - outl(cur, addr); - } - if (cur & CRVML_PANEL_ON) { - schedule_timeout(HZ / 10); - outl(cur & ~CRVML_PANEL_ON, addr); - } -} - -static int cr_lcd_set_power(struct lcd_device *ld, int power) -{ - if (power == FB_BLANK_UNBLANK) - cr_panel_on(); - if (power == FB_BLANK_POWERDOWN) - cr_panel_off(); - - return 0; -} - -static struct lcd_ops cr_lcd_ops = { - .set_power = cr_lcd_set_power, -}; - -static int cr_backlight_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - struct backlight_device *bdp; - struct lcd_device *ldp; - struct cr_panel *crp; - u8 dev_en; - - lpc_dev = pci_get_device(PCI_VENDOR_ID_INTEL, - CRVML_DEVICE_LPC, NULL); - if (!lpc_dev) { - printk("INTEL CARILLO RANCH LPC not found.\n"); - return -ENODEV; - } - - pci_read_config_byte(lpc_dev, CRVML_REG_GPIOEN, &dev_en); - if (!(dev_en & CRVML_GPIOEN_BIT)) { - printk(KERN_ERR - "Carillo Ranch GPIO device was not enabled.\n"); - pci_dev_put(lpc_dev); - return -ENODEV; - } - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - bdp = backlight_device_register("cr-backlight", &pdev->dev, NULL, - &cr_backlight_ops, &props); - if (IS_ERR(bdp)) { - pci_dev_put(lpc_dev); - return PTR_ERR(bdp); - } - - ldp = lcd_device_register("cr-lcd", &pdev->dev, NULL, &cr_lcd_ops); - if (IS_ERR(ldp)) { - backlight_device_unregister(bdp); - pci_dev_put(lpc_dev); - return PTR_ERR(ldp); - } - - pci_read_config_dword(lpc_dev, CRVML_REG_GPIOBAR, - &gpio_bar); - gpio_bar &= ~0x3F; - - crp = devm_kzalloc(&pdev->dev, sizeof(*crp), GFP_KERNEL); - if (!crp) { - lcd_device_unregister(ldp); - backlight_device_unregister(bdp); - pci_dev_put(lpc_dev); - return -ENOMEM; - } - - crp->cr_backlight_device = bdp; - crp->cr_lcd_device = ldp; - crp->cr_backlight_device->props.power = FB_BLANK_UNBLANK; - crp->cr_backlight_device->props.brightness = 0; - cr_backlight_set_intensity(crp->cr_backlight_device); - cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_UNBLANK); - - platform_set_drvdata(pdev, crp); - - return 0; -} - -static int cr_backlight_remove(struct platform_device *pdev) -{ - struct cr_panel *crp = platform_get_drvdata(pdev); - crp->cr_backlight_device->props.power = FB_BLANK_POWERDOWN; - crp->cr_backlight_device->props.brightness = 0; - crp->cr_backlight_device->props.max_brightness = 0; - cr_backlight_set_intensity(crp->cr_backlight_device); - cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_POWERDOWN); - backlight_device_unregister(crp->cr_backlight_device); - lcd_device_unregister(crp->cr_lcd_device); - pci_dev_put(lpc_dev); - - return 0; -} - -static struct platform_driver cr_backlight_driver = { - .probe = cr_backlight_probe, - .remove = cr_backlight_remove, - .driver = { - .name = "cr_backlight", - }, -}; - -static struct platform_device *crp; - -static int __init cr_backlight_init(void) -{ - int ret = platform_driver_register(&cr_backlight_driver); - - if (ret) - return ret; - - crp = platform_device_register_simple("cr_backlight", -1, NULL, 0); - if (IS_ERR(crp)) { - platform_driver_unregister(&cr_backlight_driver); - return PTR_ERR(crp); - } - - printk("Carillo Ranch Backlight Driver Initialized.\n"); - - return 0; -} - -static void __exit cr_backlight_exit(void) -{ - platform_device_unregister(crp); - platform_driver_unregister(&cr_backlight_driver); -} - -module_init(cr_backlight_init); -module_exit(cr_backlight_exit); - -MODULE_AUTHOR("Tungsten Graphics Inc."); -MODULE_DESCRIPTION("Carillo Ranch Backlight Driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/da903x_bl.c b/ANDROID_3.4.5/drivers/video/backlight/da903x_bl.c deleted file mode 100644 index 30e19681..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/da903x_bl.c +++ /dev/null @@ -1,204 +0,0 @@ -/* - * Backlight driver for Dialog Semiconductor DA9030/DA9034 - * - * Copyright (C) 2008 Compulab, Ltd. - * Mike Rapoport <mike@compulab.co.il> - * - * Copyright (C) 2006-2008 Marvell International Ltd. - * Eric Miao <eric.miao@marvell.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/mfd/da903x.h> -#include <linux/slab.h> -#include <linux/module.h> - -#define DA9030_WLED_CONTROL 0x25 -#define DA9030_WLED_CP_EN (1 << 6) -#define DA9030_WLED_TRIM(x) ((x) & 0x7) - -#define DA9034_WLED_CONTROL1 0x3C -#define DA9034_WLED_CONTROL2 0x3D -#define DA9034_WLED_ISET(x) ((x) & 0x1f) - -#define DA9034_WLED_BOOST_EN (1 << 5) - -#define DA9030_MAX_BRIGHTNESS 7 -#define DA9034_MAX_BRIGHTNESS 0x7f - -struct da903x_backlight_data { - struct device *da903x_dev; - int id; - int current_brightness; -}; - -static int da903x_backlight_set(struct backlight_device *bl, int brightness) -{ - struct da903x_backlight_data *data = bl_get_data(bl); - struct device *dev = data->da903x_dev; - uint8_t val; - int ret = 0; - - switch (data->id) { - case DA9034_ID_WLED: - ret = da903x_update(dev, DA9034_WLED_CONTROL1, - brightness, 0x7f); - if (ret) - return ret; - - if (data->current_brightness && brightness == 0) - ret = da903x_clr_bits(dev, - DA9034_WLED_CONTROL2, - DA9034_WLED_BOOST_EN); - - if (data->current_brightness == 0 && brightness) - ret = da903x_set_bits(dev, - DA9034_WLED_CONTROL2, - DA9034_WLED_BOOST_EN); - break; - case DA9030_ID_WLED: - val = DA9030_WLED_TRIM(brightness); - val |= brightness ? DA9030_WLED_CP_EN : 0; - ret = da903x_write(dev, DA9030_WLED_CONTROL, val); - break; - } - - if (ret) - return ret; - - data->current_brightness = brightness; - return 0; -} - -static int da903x_backlight_update_status(struct backlight_device *bl) -{ - int brightness = bl->props.brightness; - - if (bl->props.power != FB_BLANK_UNBLANK) - brightness = 0; - - if (bl->props.fb_blank != FB_BLANK_UNBLANK) - brightness = 0; - - return da903x_backlight_set(bl, brightness); -} - -static int da903x_backlight_get_brightness(struct backlight_device *bl) -{ - struct da903x_backlight_data *data = bl_get_data(bl); - return data->current_brightness; -} - -static const struct backlight_ops da903x_backlight_ops = { - .update_status = da903x_backlight_update_status, - .get_brightness = da903x_backlight_get_brightness, -}; - -static int da903x_backlight_probe(struct platform_device *pdev) -{ - struct da9034_backlight_pdata *pdata = pdev->dev.platform_data; - struct da903x_backlight_data *data; - struct backlight_device *bl; - struct backlight_properties props; - int max_brightness; - - data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); - if (data == NULL) - return -ENOMEM; - - switch (pdev->id) { - case DA9030_ID_WLED: - max_brightness = DA9030_MAX_BRIGHTNESS; - break; - case DA9034_ID_WLED: - max_brightness = DA9034_MAX_BRIGHTNESS; - break; - default: - dev_err(&pdev->dev, "invalid backlight device ID(%d)\n", - pdev->id); - return -EINVAL; - } - - data->id = pdev->id; - data->da903x_dev = pdev->dev.parent; - data->current_brightness = 0; - - /* adjust the WLED output current */ - if (pdata) - da903x_write(data->da903x_dev, DA9034_WLED_CONTROL2, - DA9034_WLED_ISET(pdata->output_current)); - - props.type = BACKLIGHT_RAW; - props.max_brightness = max_brightness; - bl = backlight_device_register(pdev->name, data->da903x_dev, data, - &da903x_backlight_ops, &props); - if (IS_ERR(bl)) { - dev_err(&pdev->dev, "failed to register backlight\n"); - return PTR_ERR(bl); - } - - bl->props.brightness = max_brightness; - - platform_set_drvdata(pdev, bl); - backlight_update_status(bl); - return 0; -} - -static int da903x_backlight_remove(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - - backlight_device_unregister(bl); - return 0; -} - -#ifdef CONFIG_PM -static int da903x_backlight_suspend(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct backlight_device *bl = platform_get_drvdata(pdev); - return da903x_backlight_set(bl, 0); -} - -static int da903x_backlight_resume(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct backlight_device *bl = platform_get_drvdata(pdev); - - backlight_update_status(bl); - return 0; -} - -static const struct dev_pm_ops da903x_backlight_pm_ops = { - .suspend = da903x_backlight_suspend, - .resume = da903x_backlight_resume, -}; -#endif - -static struct platform_driver da903x_backlight_driver = { - .driver = { - .name = "da903x-backlight", - .owner = THIS_MODULE, -#ifdef CONFIG_PM - .pm = &da903x_backlight_pm_ops, -#endif - }, - .probe = da903x_backlight_probe, - .remove = da903x_backlight_remove, -}; - -module_platform_driver(da903x_backlight_driver); - -MODULE_DESCRIPTION("Backlight Driver for Dialog Semiconductor DA9030/DA9034"); -MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>" - "Mike Rapoport <mike@compulab.co.il>"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:da903x-backlight"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/da9052_bl.c b/ANDROID_3.4.5/drivers/video/backlight/da9052_bl.c deleted file mode 100644 index b628d68f..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/da9052_bl.c +++ /dev/null @@ -1,187 +0,0 @@ -/* - * Backlight Driver for Dialog DA9052 PMICs - * - * Copyright(c) 2012 Dialog Semiconductor Ltd. - * - * Author: David Dajun Chen <dchen@diasemi.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - */ - -#include <linux/backlight.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/module.h> -#include <linux/platform_device.h> - -#include <linux/mfd/da9052/da9052.h> -#include <linux/mfd/da9052/reg.h> - -#define DA9052_MAX_BRIGHTNESS 0xFF - -enum { - DA9052_WLEDS_OFF, - DA9052_WLEDS_ON, -}; - -enum { - DA9052_TYPE_WLED1, - DA9052_TYPE_WLED2, - DA9052_TYPE_WLED3, -}; - -static unsigned char wled_bank[] = { - DA9052_LED1_CONF_REG, - DA9052_LED2_CONF_REG, - DA9052_LED3_CONF_REG, -}; - -struct da9052_bl { - struct da9052 *da9052; - uint brightness; - uint state; - uint led_reg; -}; - -static int da9052_adjust_wled_brightness(struct da9052_bl *wleds) -{ - unsigned char boost_en; - unsigned char i_sink; - int ret; - - boost_en = 0x3F; - i_sink = 0xFF; - if (wleds->state == DA9052_WLEDS_OFF) { - boost_en = 0x00; - i_sink = 0x00; - } - - ret = da9052_reg_write(wleds->da9052, DA9052_BOOST_REG, boost_en); - if (ret < 0) - return ret; - - ret = da9052_reg_write(wleds->da9052, DA9052_LED_CONT_REG, i_sink); - if (ret < 0) - return ret; - - ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg], 0x0); - if (ret < 0) - return ret; - - msleep(10); - - if (wleds->brightness) { - ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg], - wleds->brightness); - if (ret < 0) - return ret; - } - - return 0; -} - -static int da9052_backlight_update_status(struct backlight_device *bl) -{ - int brightness = bl->props.brightness; - struct da9052_bl *wleds = bl_get_data(bl); - - wleds->brightness = brightness; - wleds->state = DA9052_WLEDS_ON; - - return da9052_adjust_wled_brightness(wleds); -} - -static int da9052_backlight_get_brightness(struct backlight_device *bl) -{ - struct da9052_bl *wleds = bl_get_data(bl); - - return wleds->brightness; -} - -static const struct backlight_ops da9052_backlight_ops = { - .update_status = da9052_backlight_update_status, - .get_brightness = da9052_backlight_get_brightness, -}; - -static int da9052_backlight_probe(struct platform_device *pdev) -{ - struct backlight_device *bl; - struct backlight_properties props; - struct da9052_bl *wleds; - - wleds = devm_kzalloc(&pdev->dev, sizeof(struct da9052_bl), GFP_KERNEL); - if (!wleds) - return -ENOMEM; - - wleds->da9052 = dev_get_drvdata(pdev->dev.parent); - wleds->brightness = 0; - wleds->led_reg = platform_get_device_id(pdev)->driver_data; - wleds->state = DA9052_WLEDS_OFF; - - props.type = BACKLIGHT_RAW; - props.max_brightness = DA9052_MAX_BRIGHTNESS; - - bl = backlight_device_register(pdev->name, wleds->da9052->dev, wleds, - &da9052_backlight_ops, &props); - if (IS_ERR(bl)) { - dev_err(&pdev->dev, "Failed to register backlight\n"); - devm_kfree(&pdev->dev, wleds); - return PTR_ERR(bl); - } - - bl->props.max_brightness = DA9052_MAX_BRIGHTNESS; - bl->props.brightness = 0; - platform_set_drvdata(pdev, bl); - - return da9052_adjust_wled_brightness(wleds); -} - -static int da9052_backlight_remove(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - struct da9052_bl *wleds = bl_get_data(bl); - - wleds->brightness = 0; - wleds->state = DA9052_WLEDS_OFF; - da9052_adjust_wled_brightness(wleds); - backlight_device_unregister(bl); - devm_kfree(&pdev->dev, wleds); - - return 0; -} - -static struct platform_device_id da9052_wled_ids[] = { - { - .name = "da9052-wled1", - .driver_data = DA9052_TYPE_WLED1, - }, - { - .name = "da9052-wled2", - .driver_data = DA9052_TYPE_WLED2, - }, - { - .name = "da9052-wled3", - .driver_data = DA9052_TYPE_WLED3, - }, -}; - -static struct platform_driver da9052_wled_driver = { - .probe = da9052_backlight_probe, - .remove = da9052_backlight_remove, - .id_table = da9052_wled_ids, - .driver = { - .name = "da9052-wled", - .owner = THIS_MODULE, - }, -}; - -module_platform_driver(da9052_wled_driver); - -MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>"); -MODULE_DESCRIPTION("Backlight driver for DA9052 PMIC"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:da9052-backlight"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/ep93xx_bl.c b/ANDROID_3.4.5/drivers/video/backlight/ep93xx_bl.c deleted file mode 100644 index 08214e1f..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/ep93xx_bl.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * Driver for the Cirrus EP93xx lcd backlight - * - * Copyright (c) 2010 H Hartley Sweeten <hsweeten@visionengravers.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This driver controls the pulse width modulated brightness control output, - * BRIGHT, on the Cirrus EP9307, EP9312, and EP9315 processors. - */ - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/io.h> -#include <linux/fb.h> -#include <linux/backlight.h> - -#define EP93XX_MAX_COUNT 255 -#define EP93XX_MAX_BRIGHT 255 -#define EP93XX_DEF_BRIGHT 128 - -struct ep93xxbl { - void __iomem *mmio; - int brightness; -}; - -static int ep93xxbl_set(struct backlight_device *bl, int brightness) -{ - struct ep93xxbl *ep93xxbl = bl_get_data(bl); - - writel((brightness << 8) | EP93XX_MAX_COUNT, ep93xxbl->mmio); - - ep93xxbl->brightness = brightness; - - return 0; -} - -static int ep93xxbl_update_status(struct backlight_device *bl) -{ - int brightness = bl->props.brightness; - - if (bl->props.power != FB_BLANK_UNBLANK || - bl->props.fb_blank != FB_BLANK_UNBLANK) - brightness = 0; - - return ep93xxbl_set(bl, brightness); -} - -static int ep93xxbl_get_brightness(struct backlight_device *bl) -{ - struct ep93xxbl *ep93xxbl = bl_get_data(bl); - - return ep93xxbl->brightness; -} - -static const struct backlight_ops ep93xxbl_ops = { - .update_status = ep93xxbl_update_status, - .get_brightness = ep93xxbl_get_brightness, -}; - -static int __init ep93xxbl_probe(struct platform_device *dev) -{ - struct ep93xxbl *ep93xxbl; - struct backlight_device *bl; - struct backlight_properties props; - struct resource *res; - - ep93xxbl = devm_kzalloc(&dev->dev, sizeof(*ep93xxbl), GFP_KERNEL); - if (!ep93xxbl) - return -ENOMEM; - - res = platform_get_resource(dev, IORESOURCE_MEM, 0); - if (!res) - return -ENXIO; - - /* - * FIXME - We don't do a request_mem_region here because we are - * sharing the register space with the framebuffer driver (see - * drivers/video/ep93xx-fb.c) and doing so will cause the second - * loaded driver to return -EBUSY. - * - * NOTE: No locking is required; the framebuffer does not touch - * this register. - */ - ep93xxbl->mmio = devm_ioremap(&dev->dev, res->start, - resource_size(res)); - if (!ep93xxbl->mmio) - return -ENXIO; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = EP93XX_MAX_BRIGHT; - bl = backlight_device_register(dev->name, &dev->dev, ep93xxbl, - &ep93xxbl_ops, &props); - if (IS_ERR(bl)) - return PTR_ERR(bl); - - bl->props.brightness = EP93XX_DEF_BRIGHT; - - platform_set_drvdata(dev, bl); - - ep93xxbl_update_status(bl); - - return 0; -} - -static int ep93xxbl_remove(struct platform_device *dev) -{ - struct backlight_device *bl = platform_get_drvdata(dev); - - backlight_device_unregister(bl); - platform_set_drvdata(dev, NULL); - return 0; -} - -#ifdef CONFIG_PM -static int ep93xxbl_suspend(struct platform_device *dev, pm_message_t state) -{ - struct backlight_device *bl = platform_get_drvdata(dev); - - return ep93xxbl_set(bl, 0); -} - -static int ep93xxbl_resume(struct platform_device *dev) -{ - struct backlight_device *bl = platform_get_drvdata(dev); - - backlight_update_status(bl); - return 0; -} -#else -#define ep93xxbl_suspend NULL -#define ep93xxbl_resume NULL -#endif - -static struct platform_driver ep93xxbl_driver = { - .driver = { - .name = "ep93xx-bl", - .owner = THIS_MODULE, - }, - .probe = ep93xxbl_probe, - .remove = __devexit_p(ep93xxbl_remove), - .suspend = ep93xxbl_suspend, - .resume = ep93xxbl_resume, -}; - -module_platform_driver(ep93xxbl_driver); - -MODULE_DESCRIPTION("EP93xx Backlight Driver"); -MODULE_AUTHOR("H Hartley Sweeten <hsweeten@visionengravers.com>"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:ep93xx-bl"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/generic_bl.c b/ANDROID_3.4.5/drivers/video/backlight/generic_bl.c deleted file mode 100644 index 9ce6170c..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/generic_bl.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Generic Backlight Driver - * - * Copyright (c) 2004-2008 Richard Purdie - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/mutex.h> -#include <linux/fb.h> -#include <linux/backlight.h> - -static int genericbl_intensity; -static struct backlight_device *generic_backlight_device; -static struct generic_bl_info *bl_machinfo; - -/* Flag to signal when the battery is low */ -#define GENERICBL_BATTLOW BL_CORE_DRIVER1 - -static int genericbl_send_intensity(struct backlight_device *bd) -{ - int intensity = bd->props.brightness; - - if (bd->props.power != FB_BLANK_UNBLANK) - intensity = 0; - if (bd->props.state & BL_CORE_FBBLANK) - intensity = 0; - if (bd->props.state & BL_CORE_SUSPENDED) - intensity = 0; - if (bd->props.state & GENERICBL_BATTLOW) - intensity &= bl_machinfo->limit_mask; - - bl_machinfo->set_bl_intensity(intensity); - - genericbl_intensity = intensity; - - if (bl_machinfo->kick_battery) - bl_machinfo->kick_battery(); - - return 0; -} - -static int genericbl_get_intensity(struct backlight_device *bd) -{ - return genericbl_intensity; -} - -/* - * Called when the battery is low to limit the backlight intensity. - * If limit==0 clear any limit, otherwise limit the intensity - */ -void genericbl_limit_intensity(int limit) -{ - struct backlight_device *bd = generic_backlight_device; - - mutex_lock(&bd->ops_lock); - if (limit) - bd->props.state |= GENERICBL_BATTLOW; - else - bd->props.state &= ~GENERICBL_BATTLOW; - backlight_update_status(generic_backlight_device); - mutex_unlock(&bd->ops_lock); -} -EXPORT_SYMBOL(genericbl_limit_intensity); - -static const struct backlight_ops genericbl_ops = { - .options = BL_CORE_SUSPENDRESUME, - .get_brightness = genericbl_get_intensity, - .update_status = genericbl_send_intensity, -}; - -static int genericbl_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - struct generic_bl_info *machinfo = pdev->dev.platform_data; - const char *name = "generic-bl"; - struct backlight_device *bd; - - bl_machinfo = machinfo; - if (!machinfo->limit_mask) - machinfo->limit_mask = -1; - - if (machinfo->name) - name = machinfo->name; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = machinfo->max_intensity; - bd = backlight_device_register(name, &pdev->dev, NULL, &genericbl_ops, - &props); - if (IS_ERR (bd)) - return PTR_ERR (bd); - - platform_set_drvdata(pdev, bd); - - bd->props.power = FB_BLANK_UNBLANK; - bd->props.brightness = machinfo->default_intensity; - backlight_update_status(bd); - - generic_backlight_device = bd; - - printk("Generic Backlight Driver Initialized.\n"); - return 0; -} - -static int genericbl_remove(struct platform_device *pdev) -{ - struct backlight_device *bd = platform_get_drvdata(pdev); - - bd->props.power = 0; - bd->props.brightness = 0; - backlight_update_status(bd); - - backlight_device_unregister(bd); - - printk("Generic Backlight Driver Unloaded\n"); - return 0; -} - -static struct platform_driver genericbl_driver = { - .probe = genericbl_probe, - .remove = genericbl_remove, - .driver = { - .name = "generic-bl", - }, -}; - -module_platform_driver(genericbl_driver); - -MODULE_AUTHOR("Richard Purdie <rpurdie@rpsys.net>"); -MODULE_DESCRIPTION("Generic Backlight Driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/hp680_bl.c b/ANDROID_3.4.5/drivers/video/backlight/hp680_bl.c deleted file mode 100644 index 38aa0027..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/hp680_bl.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * Backlight Driver for HP Jornada 680 - * - * Copyright (c) 2005 Andriy Skulysh - * - * Based on Sharp's Corgi Backlight Driver - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/spinlock.h> -#include <linux/fb.h> -#include <linux/backlight.h> - -#include <cpu/dac.h> -#include <mach/hp6xx.h> -#include <asm/hd64461.h> - -#define HP680_MAX_INTENSITY 255 -#define HP680_DEFAULT_INTENSITY 10 - -static int hp680bl_suspended; -static int current_intensity = 0; -static DEFINE_SPINLOCK(bl_lock); - -static void hp680bl_send_intensity(struct backlight_device *bd) -{ - unsigned long flags; - u16 v; - int intensity = bd->props.brightness; - - if (bd->props.power != FB_BLANK_UNBLANK) - intensity = 0; - if (bd->props.fb_blank != FB_BLANK_UNBLANK) - intensity = 0; - if (hp680bl_suspended) - intensity = 0; - - spin_lock_irqsave(&bl_lock, flags); - if (intensity && current_intensity == 0) { - sh_dac_enable(DAC_LCD_BRIGHTNESS); - v = inw(HD64461_GPBDR); - v &= ~HD64461_GPBDR_LCDOFF; - outw(v, HD64461_GPBDR); - sh_dac_output(255-(u8)intensity, DAC_LCD_BRIGHTNESS); - } else if (intensity == 0 && current_intensity != 0) { - sh_dac_output(255-(u8)intensity, DAC_LCD_BRIGHTNESS); - sh_dac_disable(DAC_LCD_BRIGHTNESS); - v = inw(HD64461_GPBDR); - v |= HD64461_GPBDR_LCDOFF; - outw(v, HD64461_GPBDR); - } else if (intensity) { - sh_dac_output(255-(u8)intensity, DAC_LCD_BRIGHTNESS); - } - spin_unlock_irqrestore(&bl_lock, flags); - - current_intensity = intensity; -} - - -#ifdef CONFIG_PM -static int hp680bl_suspend(struct platform_device *pdev, pm_message_t state) -{ - struct backlight_device *bd = platform_get_drvdata(pdev); - - hp680bl_suspended = 1; - hp680bl_send_intensity(bd); - return 0; -} - -static int hp680bl_resume(struct platform_device *pdev) -{ - struct backlight_device *bd = platform_get_drvdata(pdev); - - hp680bl_suspended = 0; - hp680bl_send_intensity(bd); - return 0; -} -#else -#define hp680bl_suspend NULL -#define hp680bl_resume NULL -#endif - -static int hp680bl_set_intensity(struct backlight_device *bd) -{ - hp680bl_send_intensity(bd); - return 0; -} - -static int hp680bl_get_intensity(struct backlight_device *bd) -{ - return current_intensity; -} - -static const struct backlight_ops hp680bl_ops = { - .get_brightness = hp680bl_get_intensity, - .update_status = hp680bl_set_intensity, -}; - -static int __devinit hp680bl_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - struct backlight_device *bd; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = HP680_MAX_INTENSITY; - bd = backlight_device_register("hp680-bl", &pdev->dev, NULL, - &hp680bl_ops, &props); - if (IS_ERR(bd)) - return PTR_ERR(bd); - - platform_set_drvdata(pdev, bd); - - bd->props.brightness = HP680_DEFAULT_INTENSITY; - hp680bl_send_intensity(bd); - - return 0; -} - -static int hp680bl_remove(struct platform_device *pdev) -{ - struct backlight_device *bd = platform_get_drvdata(pdev); - - bd->props.brightness = 0; - bd->props.power = 0; - hp680bl_send_intensity(bd); - - backlight_device_unregister(bd); - - return 0; -} - -static struct platform_driver hp680bl_driver = { - .probe = hp680bl_probe, - .remove = hp680bl_remove, - .suspend = hp680bl_suspend, - .resume = hp680bl_resume, - .driver = { - .name = "hp680-bl", - }, -}; - -static struct platform_device *hp680bl_device; - -static int __init hp680bl_init(void) -{ - int ret; - - ret = platform_driver_register(&hp680bl_driver); - if (ret) - return ret; - hp680bl_device = platform_device_register_simple("hp680-bl", -1, - NULL, 0); - if (IS_ERR(hp680bl_device)) { - platform_driver_unregister(&hp680bl_driver); - return PTR_ERR(hp680bl_device); - } - return 0; -} - -static void __exit hp680bl_exit(void) -{ - platform_device_unregister(hp680bl_device); - platform_driver_unregister(&hp680bl_driver); -} - -module_init(hp680bl_init); -module_exit(hp680bl_exit); - -MODULE_AUTHOR("Andriy Skulysh <askulysh@gmail.com>"); -MODULE_DESCRIPTION("HP Jornada 680 Backlight Driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/ili9320.c b/ANDROID_3.4.5/drivers/video/backlight/ili9320.c deleted file mode 100644 index 5118a9f0..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/ili9320.c +++ /dev/null @@ -1,331 +0,0 @@ -/* drivers/video/backlight/ili9320.c - * - * ILI9320 LCD controller driver core. - * - * Copyright 2007 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/delay.h> -#include <linux/err.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/lcd.h> -#include <linux/module.h> -#include <linux/slab.h> - -#include <linux/spi/spi.h> - -#include <video/ili9320.h> - -#include "ili9320.h" - - -static inline int ili9320_write_spi(struct ili9320 *ili, - unsigned int reg, - unsigned int value) -{ - struct ili9320_spi *spi = &ili->access.spi; - unsigned char *addr = spi->buffer_addr; - unsigned char *data = spi->buffer_data; - - /* spi message consits of: - * first byte: ID and operation - */ - - addr[0] = spi->id | ILI9320_SPI_INDEX | ILI9320_SPI_WRITE; - addr[1] = reg >> 8; - addr[2] = reg; - - /* second message is the data to transfer */ - - data[0] = spi->id | ILI9320_SPI_DATA | ILI9320_SPI_WRITE; - data[1] = value >> 8; - data[2] = value; - - return spi_sync(spi->dev, &spi->message); -} - -int ili9320_write(struct ili9320 *ili, unsigned int reg, unsigned int value) -{ - dev_dbg(ili->dev, "write: reg=%02x, val=%04x\n", reg, value); - return ili->write(ili, reg, value); -} - -EXPORT_SYMBOL_GPL(ili9320_write); - -int ili9320_write_regs(struct ili9320 *ili, - struct ili9320_reg *values, - int nr_values) -{ - int index; - int ret; - - for (index = 0; index < nr_values; index++, values++) { - ret = ili9320_write(ili, values->address, values->value); - if (ret != 0) - return ret; - } - - return 0; -} - -EXPORT_SYMBOL_GPL(ili9320_write_regs); - -static void ili9320_reset(struct ili9320 *lcd) -{ - struct ili9320_platdata *cfg = lcd->platdata; - - cfg->reset(1); - mdelay(50); - - cfg->reset(0); - mdelay(50); - - cfg->reset(1); - mdelay(100); -} - -static inline int ili9320_init_chip(struct ili9320 *lcd) -{ - int ret; - - ili9320_reset(lcd); - - ret = lcd->client->init(lcd, lcd->platdata); - if (ret != 0) { - dev_err(lcd->dev, "failed to initialise display\n"); - return ret; - } - - lcd->initialised = 1; - return 0; -} - -static inline int ili9320_power_on(struct ili9320 *lcd) -{ - if (!lcd->initialised) - ili9320_init_chip(lcd); - - lcd->display1 |= (ILI9320_DISPLAY1_D(3) | ILI9320_DISPLAY1_BASEE); - ili9320_write(lcd, ILI9320_DISPLAY1, lcd->display1); - - return 0; -} - -static inline int ili9320_power_off(struct ili9320 *lcd) -{ - lcd->display1 &= ~(ILI9320_DISPLAY1_D(3) | ILI9320_DISPLAY1_BASEE); - ili9320_write(lcd, ILI9320_DISPLAY1, lcd->display1); - - return 0; -} - -#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL) - -static int ili9320_power(struct ili9320 *lcd, int power) -{ - int ret = 0; - - dev_dbg(lcd->dev, "power %d => %d\n", lcd->power, power); - - if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power)) - ret = ili9320_power_on(lcd); - else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power)) - ret = ili9320_power_off(lcd); - - if (ret == 0) - lcd->power = power; - else - dev_warn(lcd->dev, "failed to set power mode %d\n", power); - - return ret; -} - -static inline struct ili9320 *to_our_lcd(struct lcd_device *lcd) -{ - return lcd_get_data(lcd); -} - -static int ili9320_set_power(struct lcd_device *ld, int power) -{ - struct ili9320 *lcd = to_our_lcd(ld); - - return ili9320_power(lcd, power); -} - -static int ili9320_get_power(struct lcd_device *ld) -{ - struct ili9320 *lcd = to_our_lcd(ld); - - return lcd->power; -} - -static struct lcd_ops ili9320_ops = { - .get_power = ili9320_get_power, - .set_power = ili9320_set_power, -}; - -static void __devinit ili9320_setup_spi(struct ili9320 *ili, - struct spi_device *dev) -{ - struct ili9320_spi *spi = &ili->access.spi; - - ili->write = ili9320_write_spi; - spi->dev = dev; - - /* fill the two messages we are going to use to send the data - * with, the first the address followed by the data. The datasheet - * says they should be done as two distinct cycles of the SPI CS line. - */ - - spi->xfer[0].tx_buf = spi->buffer_addr; - spi->xfer[1].tx_buf = spi->buffer_data; - spi->xfer[0].len = 3; - spi->xfer[1].len = 3; - spi->xfer[0].bits_per_word = 8; - spi->xfer[1].bits_per_word = 8; - spi->xfer[0].cs_change = 1; - - spi_message_init(&spi->message); - spi_message_add_tail(&spi->xfer[0], &spi->message); - spi_message_add_tail(&spi->xfer[1], &spi->message); -} - -int __devinit ili9320_probe_spi(struct spi_device *spi, - struct ili9320_client *client) -{ - struct ili9320_platdata *cfg = spi->dev.platform_data; - struct device *dev = &spi->dev; - struct ili9320 *ili; - struct lcd_device *lcd; - int ret = 0; - - /* verify we where given some information */ - - if (cfg == NULL) { - dev_err(dev, "no platform data supplied\n"); - return -EINVAL; - } - - if (cfg->hsize <= 0 || cfg->vsize <= 0 || cfg->reset == NULL) { - dev_err(dev, "invalid platform data supplied\n"); - return -EINVAL; - } - - /* allocate and initialse our state */ - - ili = kzalloc(sizeof(struct ili9320), GFP_KERNEL); - if (ili == NULL) { - dev_err(dev, "no memory for device\n"); - return -ENOMEM; - } - - ili->access.spi.id = ILI9320_SPI_IDCODE | ILI9320_SPI_ID(1); - - ili->dev = dev; - ili->client = client; - ili->power = FB_BLANK_POWERDOWN; - ili->platdata = cfg; - - dev_set_drvdata(&spi->dev, ili); - - ili9320_setup_spi(ili, spi); - - lcd = lcd_device_register("ili9320", dev, ili, &ili9320_ops); - if (IS_ERR(lcd)) { - dev_err(dev, "failed to register lcd device\n"); - ret = PTR_ERR(lcd); - goto err_free; - } - - ili->lcd = lcd; - - dev_info(dev, "initialising %s\n", client->name); - - ret = ili9320_power(ili, FB_BLANK_UNBLANK); - if (ret != 0) { - dev_err(dev, "failed to set lcd power state\n"); - goto err_unregister; - } - - return 0; - - err_unregister: - lcd_device_unregister(lcd); - - err_free: - kfree(ili); - - return ret; -} - -EXPORT_SYMBOL_GPL(ili9320_probe_spi); - -int __devexit ili9320_remove(struct ili9320 *ili) -{ - ili9320_power(ili, FB_BLANK_POWERDOWN); - - lcd_device_unregister(ili->lcd); - kfree(ili); - - return 0; -} - -EXPORT_SYMBOL_GPL(ili9320_remove); - -#ifdef CONFIG_PM -int ili9320_suspend(struct ili9320 *lcd, pm_message_t state) -{ - int ret; - - dev_dbg(lcd->dev, "%s: event %d\n", __func__, state.event); - - if (state.event == PM_EVENT_SUSPEND) { - ret = ili9320_power(lcd, FB_BLANK_POWERDOWN); - - if (lcd->platdata->suspend == ILI9320_SUSPEND_DEEP) { - ili9320_write(lcd, ILI9320_POWER1, lcd->power1 | - ILI9320_POWER1_SLP | - ILI9320_POWER1_DSTB); - lcd->initialised = 0; - } - - return ret; - } - - return 0; -} - -EXPORT_SYMBOL_GPL(ili9320_suspend); - -int ili9320_resume(struct ili9320 *lcd) -{ - dev_info(lcd->dev, "resuming from power state %d\n", lcd->power); - - if (lcd->platdata->suspend == ILI9320_SUSPEND_DEEP) { - ili9320_write(lcd, ILI9320_POWER1, 0x00); - } - - return ili9320_power(lcd, FB_BLANK_UNBLANK); -} - -EXPORT_SYMBOL_GPL(ili9320_resume); -#endif - -/* Power down all displays on reboot, poweroff or halt */ -void ili9320_shutdown(struct ili9320 *lcd) -{ - ili9320_power(lcd, FB_BLANK_POWERDOWN); -} - -EXPORT_SYMBOL_GPL(ili9320_shutdown); - -MODULE_AUTHOR("Ben Dooks <ben-linux@fluff.org>"); -MODULE_DESCRIPTION("ILI9320 LCD Driver"); -MODULE_LICENSE("GPL v2"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/ili9320.h b/ANDROID_3.4.5/drivers/video/backlight/ili9320.h deleted file mode 100644 index e388eca7..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/ili9320.h +++ /dev/null @@ -1,80 +0,0 @@ -/* drivers/video/backlight/ili9320.h - * - * ILI9320 LCD controller driver core. - * - * Copyright 2007 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * http://armlinux.simtec.co.uk/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -/* Holder for register and value pairs. */ -struct ili9320_reg { - unsigned short address; - unsigned short value; -}; - -struct ili9320; - -struct ili9320_client { - const char *name; - int (*init)(struct ili9320 *ili, struct ili9320_platdata *cfg); - -}; -/* Device attached via an SPI bus. */ -struct ili9320_spi { - struct spi_device *dev; - struct spi_message message; - struct spi_transfer xfer[2]; - - unsigned char id; - unsigned char buffer_addr[4]; - unsigned char buffer_data[4]; -}; - -/* ILI9320 device state. */ -struct ili9320 { - union { - struct ili9320_spi spi; /* SPI attachged device. */ - } access; /* Register access method. */ - - struct device *dev; - struct lcd_device *lcd; /* LCD device we created. */ - struct ili9320_client *client; - struct ili9320_platdata *platdata; - - int power; /* current power state. */ - int initialised; - - unsigned short display1; - unsigned short power1; - - int (*write)(struct ili9320 *ili, unsigned int reg, unsigned int val); -}; - - -/* ILI9320 register access routines */ - -extern int ili9320_write(struct ili9320 *ili, - unsigned int reg, unsigned int value); - -extern int ili9320_write_regs(struct ili9320 *ili, - struct ili9320_reg *values, - int nr_values); - -/* Device probe */ - -extern int ili9320_probe_spi(struct spi_device *spi, - struct ili9320_client *cli); - -extern int ili9320_remove(struct ili9320 *lcd); -extern void ili9320_shutdown(struct ili9320 *lcd); - -/* PM */ - -extern int ili9320_suspend(struct ili9320 *lcd, pm_message_t state); -extern int ili9320_resume(struct ili9320 *lcd); diff --git a/ANDROID_3.4.5/drivers/video/backlight/jornada720_bl.c b/ANDROID_3.4.5/drivers/video/backlight/jornada720_bl.c deleted file mode 100644 index 2f8af5d7..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/jornada720_bl.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * - * Backlight driver for HP Jornada 700 series (710/720/728) - * Copyright (C) 2006-2009 Kristoffer Ericson <kristoffer.ericson@gmail.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 or any later version as published by the Free Software Foundation. - * - */ - -#include <linux/backlight.h> -#include <linux/device.h> -#include <linux/fb.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> - -#include <mach/jornada720.h> -#include <mach/hardware.h> - -#include <video/s1d13xxxfb.h> - -#define BL_MAX_BRIGHT 255 -#define BL_DEF_BRIGHT 25 - -static int jornada_bl_get_brightness(struct backlight_device *bd) -{ - int ret; - - /* check if backlight is on */ - if (!(PPSR & PPC_LDD1)) - return 0; - - jornada_ssp_start(); - - /* cmd should return txdummy */ - ret = jornada_ssp_byte(GETBRIGHTNESS); - - if (jornada_ssp_byte(GETBRIGHTNESS) != TXDUMMY) { - printk(KERN_ERR "bl : get brightness timeout\n"); - jornada_ssp_end(); - return -ETIMEDOUT; - } else /* exchange txdummy for value */ - ret = jornada_ssp_byte(TXDUMMY); - - jornada_ssp_end(); - - return (BL_MAX_BRIGHT - ret); -} - -static int jornada_bl_update_status(struct backlight_device *bd) -{ - int ret = 0; - - jornada_ssp_start(); - - /* If backlight is off then really turn it off */ - if ((bd->props.power != FB_BLANK_UNBLANK) || (bd->props.fb_blank != FB_BLANK_UNBLANK)) { - ret = jornada_ssp_byte(BRIGHTNESSOFF); - if (ret != TXDUMMY) { - printk(KERN_INFO "bl : brightness off timeout\n"); - /* turn off backlight */ - PPSR &= ~PPC_LDD1; - PPDR |= PPC_LDD1; - ret = -ETIMEDOUT; - } - } else /* turn on backlight */ - PPSR |= PPC_LDD1; - - /* send command to our mcu */ - if (jornada_ssp_byte(SETBRIGHTNESS) != TXDUMMY) { - printk(KERN_INFO "bl : failed to set brightness\n"); - ret = -ETIMEDOUT; - goto out; - } - - /* at this point we expect that the mcu has accepted - our command and is waiting for our new value - please note that maximum brightness is 255, - but due to physical layout it is equal to 0, so we simply - invert the value (MAX VALUE - NEW VALUE). */ - if (jornada_ssp_byte(BL_MAX_BRIGHT - bd->props.brightness) != TXDUMMY) { - printk(KERN_ERR "bl : set brightness failed\n"); - ret = -ETIMEDOUT; - } - - /* If infact we get an TXDUMMY as output we are happy and dont - make any further comments about it */ -out: - jornada_ssp_end(); - - return ret; -} - -static const struct backlight_ops jornada_bl_ops = { - .get_brightness = jornada_bl_get_brightness, - .update_status = jornada_bl_update_status, - .options = BL_CORE_SUSPENDRESUME, -}; - -static int jornada_bl_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - int ret; - struct backlight_device *bd; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = BL_MAX_BRIGHT; - bd = backlight_device_register(S1D_DEVICENAME, &pdev->dev, NULL, - &jornada_bl_ops, &props); - - if (IS_ERR(bd)) { - ret = PTR_ERR(bd); - printk(KERN_ERR "bl : failed to register device, err=%x\n", ret); - return ret; - } - - bd->props.power = FB_BLANK_UNBLANK; - bd->props.brightness = BL_DEF_BRIGHT; - /* note. make sure max brightness is set otherwise - you will get seemingly non-related errors when - trying to change brightness */ - jornada_bl_update_status(bd); - - platform_set_drvdata(pdev, bd); - printk(KERN_INFO "HP Jornada 700 series backlight driver\n"); - - return 0; -} - -static int jornada_bl_remove(struct platform_device *pdev) -{ - struct backlight_device *bd = platform_get_drvdata(pdev); - - backlight_device_unregister(bd); - - return 0; -} - -static struct platform_driver jornada_bl_driver = { - .probe = jornada_bl_probe, - .remove = jornada_bl_remove, - .driver = { - .name = "jornada_bl", - }, -}; - -module_platform_driver(jornada_bl_driver); - -MODULE_AUTHOR("Kristoffer Ericson <kristoffer.ericson>"); -MODULE_DESCRIPTION("HP Jornada 710/720/728 Backlight driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/jornada720_lcd.c b/ANDROID_3.4.5/drivers/video/backlight/jornada720_lcd.c deleted file mode 100644 index 22d231a1..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/jornada720_lcd.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * - * LCD driver for HP Jornada 700 series (710/720/728) - * Copyright (C) 2006-2009 Kristoffer Ericson <kristoffer.ericson@gmail.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 or any later version as published by the Free Software Foundation. - * - */ - -#include <linux/device.h> -#include <linux/fb.h> -#include <linux/kernel.h> -#include <linux/lcd.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/delay.h> - -#include <mach/jornada720.h> -#include <mach/hardware.h> - -#include <video/s1d13xxxfb.h> - -#define LCD_MAX_CONTRAST 0xff -#define LCD_DEF_CONTRAST 0x80 - -static int jornada_lcd_get_power(struct lcd_device *dev) -{ - /* LDD2 in PPC = LCD POWER */ - if (PPSR & PPC_LDD2) - return FB_BLANK_UNBLANK; /* PW ON */ - else - return FB_BLANK_POWERDOWN; /* PW OFF */ -} - -static int jornada_lcd_get_contrast(struct lcd_device *dev) -{ - int ret; - - if (jornada_lcd_get_power(dev) != FB_BLANK_UNBLANK) - return 0; - - jornada_ssp_start(); - - if (jornada_ssp_byte(GETCONTRAST) != TXDUMMY) { - printk(KERN_ERR "lcd: get contrast failed\n"); - jornada_ssp_end(); - return -ETIMEDOUT; - } else { - ret = jornada_ssp_byte(TXDUMMY); - jornada_ssp_end(); - return ret; - } -} - -static int jornada_lcd_set_contrast(struct lcd_device *dev, int value) -{ - int ret; - - jornada_ssp_start(); - - /* start by sending our set contrast cmd to mcu */ - ret = jornada_ssp_byte(SETCONTRAST); - - /* push the new value */ - if (jornada_ssp_byte(value) != TXDUMMY) { - printk(KERN_ERR "lcd : set contrast failed\n"); - jornada_ssp_end(); - return -ETIMEDOUT; - } - - /* if we get here we can assume everything went well */ - jornada_ssp_end(); - - return 0; -} - -static int jornada_lcd_set_power(struct lcd_device *dev, int power) -{ - if (power != FB_BLANK_UNBLANK) { - PPSR &= ~PPC_LDD2; - PPDR |= PPC_LDD2; - } else - PPSR |= PPC_LDD2; - - return 0; -} - -static struct lcd_ops jornada_lcd_props = { - .get_contrast = jornada_lcd_get_contrast, - .set_contrast = jornada_lcd_set_contrast, - .get_power = jornada_lcd_get_power, - .set_power = jornada_lcd_set_power, -}; - -static int jornada_lcd_probe(struct platform_device *pdev) -{ - struct lcd_device *lcd_device; - int ret; - - lcd_device = lcd_device_register(S1D_DEVICENAME, &pdev->dev, NULL, &jornada_lcd_props); - - if (IS_ERR(lcd_device)) { - ret = PTR_ERR(lcd_device); - printk(KERN_ERR "lcd : failed to register device\n"); - return ret; - } - - platform_set_drvdata(pdev, lcd_device); - - /* lets set our default values */ - jornada_lcd_set_contrast(lcd_device, LCD_DEF_CONTRAST); - jornada_lcd_set_power(lcd_device, FB_BLANK_UNBLANK); - /* give it some time to startup */ - msleep(100); - - return 0; -} - -static int jornada_lcd_remove(struct platform_device *pdev) -{ - struct lcd_device *lcd_device = platform_get_drvdata(pdev); - - lcd_device_unregister(lcd_device); - - return 0; -} - -static struct platform_driver jornada_lcd_driver = { - .probe = jornada_lcd_probe, - .remove = jornada_lcd_remove, - .driver = { - .name = "jornada_lcd", - }, -}; - -module_platform_driver(jornada_lcd_driver); - -MODULE_AUTHOR("Kristoffer Ericson <kristoffer.ericson@gmail.com>"); -MODULE_DESCRIPTION("HP Jornada 710/720/728 LCD driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/kb3886_bl.c b/ANDROID_3.4.5/drivers/video/backlight/kb3886_bl.c deleted file mode 100644 index 72dd5556..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/kb3886_bl.c +++ /dev/null @@ -1,209 +0,0 @@ -/* - * Backlight Driver for the KB3886 Backlight - * - * Copyright (c) 2007-2008 Claudio Nieder - * - * Based on corgi_bl.c by Richard Purdie and kb3886 driver by Robert Woerle - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/mutex.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/delay.h> -#include <linux/dmi.h> - -#define KB3886_PARENT 0x64 -#define KB3886_IO 0x60 -#define KB3886_ADC_DAC_PWM 0xC4 -#define KB3886_PWM0_WRITE 0x81 -#define KB3886_PWM0_READ 0x41 - -static DEFINE_MUTEX(bl_mutex); - -static void kb3886_bl_set_intensity(int intensity) -{ - mutex_lock(&bl_mutex); - intensity = intensity&0xff; - outb(KB3886_ADC_DAC_PWM, KB3886_PARENT); - msleep(10); - outb(KB3886_PWM0_WRITE, KB3886_IO); - msleep(10); - outb(intensity, KB3886_IO); - mutex_unlock(&bl_mutex); -} - -struct kb3886bl_machinfo { - int max_intensity; - int default_intensity; - int limit_mask; - void (*set_bl_intensity)(int intensity); -}; - -static struct kb3886bl_machinfo kb3886_bl_machinfo = { - .max_intensity = 0xff, - .default_intensity = 0xa0, - .limit_mask = 0x7f, - .set_bl_intensity = kb3886_bl_set_intensity, -}; - -static struct platform_device kb3886bl_device = { - .name = "kb3886-bl", - .dev = { - .platform_data = &kb3886_bl_machinfo, - }, - .id = -1, -}; - -static struct platform_device *devices[] __initdata = { - &kb3886bl_device, -}; - -/* - * Back to driver - */ - -static int kb3886bl_intensity; -static struct backlight_device *kb3886_backlight_device; -static struct kb3886bl_machinfo *bl_machinfo; - -static unsigned long kb3886bl_flags; -#define KB3886BL_SUSPENDED 0x01 - -static struct dmi_system_id __initdata kb3886bl_device_table[] = { - { - .ident = "Sahara Touch-iT", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "SDV"), - DMI_MATCH(DMI_PRODUCT_NAME, "iTouch T201"), - }, - }, - { } -}; - -static int kb3886bl_send_intensity(struct backlight_device *bd) -{ - int intensity = bd->props.brightness; - - if (bd->props.power != FB_BLANK_UNBLANK) - intensity = 0; - if (bd->props.fb_blank != FB_BLANK_UNBLANK) - intensity = 0; - if (kb3886bl_flags & KB3886BL_SUSPENDED) - intensity = 0; - - bl_machinfo->set_bl_intensity(intensity); - - kb3886bl_intensity = intensity; - return 0; -} - -#ifdef CONFIG_PM -static int kb3886bl_suspend(struct platform_device *pdev, pm_message_t state) -{ - struct backlight_device *bd = platform_get_drvdata(pdev); - - kb3886bl_flags |= KB3886BL_SUSPENDED; - backlight_update_status(bd); - return 0; -} - -static int kb3886bl_resume(struct platform_device *pdev) -{ - struct backlight_device *bd = platform_get_drvdata(pdev); - - kb3886bl_flags &= ~KB3886BL_SUSPENDED; - backlight_update_status(bd); - return 0; -} -#else -#define kb3886bl_suspend NULL -#define kb3886bl_resume NULL -#endif - -static int kb3886bl_get_intensity(struct backlight_device *bd) -{ - return kb3886bl_intensity; -} - -static const struct backlight_ops kb3886bl_ops = { - .get_brightness = kb3886bl_get_intensity, - .update_status = kb3886bl_send_intensity, -}; - -static int kb3886bl_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - struct kb3886bl_machinfo *machinfo = pdev->dev.platform_data; - - bl_machinfo = machinfo; - if (!machinfo->limit_mask) - machinfo->limit_mask = -1; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = machinfo->max_intensity; - kb3886_backlight_device = backlight_device_register("kb3886-bl", - &pdev->dev, NULL, - &kb3886bl_ops, - &props); - if (IS_ERR(kb3886_backlight_device)) - return PTR_ERR(kb3886_backlight_device); - - platform_set_drvdata(pdev, kb3886_backlight_device); - - kb3886_backlight_device->props.power = FB_BLANK_UNBLANK; - kb3886_backlight_device->props.brightness = machinfo->default_intensity; - backlight_update_status(kb3886_backlight_device); - - return 0; -} - -static int kb3886bl_remove(struct platform_device *pdev) -{ - struct backlight_device *bd = platform_get_drvdata(pdev); - - backlight_device_unregister(bd); - - return 0; -} - -static struct platform_driver kb3886bl_driver = { - .probe = kb3886bl_probe, - .remove = kb3886bl_remove, - .suspend = kb3886bl_suspend, - .resume = kb3886bl_resume, - .driver = { - .name = "kb3886-bl", - }, -}; - -static int __init kb3886_init(void) -{ - if (!dmi_check_system(kb3886bl_device_table)) - return -ENODEV; - - platform_add_devices(devices, ARRAY_SIZE(devices)); - return platform_driver_register(&kb3886bl_driver); -} - -static void __exit kb3886_exit(void) -{ - platform_driver_unregister(&kb3886bl_driver); -} - -module_init(kb3886_init); -module_exit(kb3886_exit); - -MODULE_AUTHOR("Claudio Nieder <private@claudio.ch>"); -MODULE_DESCRIPTION("Tabletkiosk Sahara Touch-iT Backlight Driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("dmi:*:svnSDV:pniTouchT201:*"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/l4f00242t03.c b/ANDROID_3.4.5/drivers/video/backlight/l4f00242t03.c deleted file mode 100644 index 6022b672..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/l4f00242t03.c +++ /dev/null @@ -1,281 +0,0 @@ -/* - * l4f00242t03.c -- support for Epson L4F00242T03 LCD - * - * Copyright 2007-2009 Freescale Semiconductor, Inc. All Rights Reserved. - * - * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> - * Inspired by Marek Vasut work in l4f00242t03.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/module.h> -#include <linux/gpio.h> -#include <linux/lcd.h> -#include <linux/slab.h> -#include <linux/regulator/consumer.h> - -#include <linux/spi/spi.h> -#include <linux/spi/l4f00242t03.h> - -struct l4f00242t03_priv { - struct spi_device *spi; - struct lcd_device *ld; - int lcd_state; - struct regulator *io_reg; - struct regulator *core_reg; -}; - - -static void l4f00242t03_reset(unsigned int gpio) -{ - pr_debug("l4f00242t03_reset.\n"); - gpio_set_value(gpio, 1); - mdelay(100); - gpio_set_value(gpio, 0); - mdelay(10); /* tRES >= 100us */ - gpio_set_value(gpio, 1); - mdelay(20); -} - -#define param(x) ((x) | 0x100) - -static void l4f00242t03_lcd_init(struct spi_device *spi) -{ - struct l4f00242t03_pdata *pdata = spi->dev.platform_data; - struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev); - const u16 cmd[] = { 0x36, param(0), 0x3A, param(0x60) }; - - dev_dbg(&spi->dev, "initializing LCD\n"); - - regulator_set_voltage(priv->io_reg, 1800000, 1800000); - regulator_enable(priv->io_reg); - - regulator_set_voltage(priv->core_reg, 2800000, 2800000); - regulator_enable(priv->core_reg); - - l4f00242t03_reset(pdata->reset_gpio); - - gpio_set_value(pdata->data_enable_gpio, 1); - msleep(60); - spi_write(spi, (const u8 *)cmd, ARRAY_SIZE(cmd) * sizeof(u16)); -} - -static void l4f00242t03_lcd_powerdown(struct spi_device *spi) -{ - struct l4f00242t03_pdata *pdata = spi->dev.platform_data; - struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev); - - dev_dbg(&spi->dev, "Powering down LCD\n"); - - gpio_set_value(pdata->data_enable_gpio, 0); - - regulator_disable(priv->io_reg); - regulator_disable(priv->core_reg); -} - -static int l4f00242t03_lcd_power_get(struct lcd_device *ld) -{ - struct l4f00242t03_priv *priv = lcd_get_data(ld); - - return priv->lcd_state; -} - -static int l4f00242t03_lcd_power_set(struct lcd_device *ld, int power) -{ - struct l4f00242t03_priv *priv = lcd_get_data(ld); - struct spi_device *spi = priv->spi; - - const u16 slpout = 0x11; - const u16 dison = 0x29; - - const u16 slpin = 0x10; - const u16 disoff = 0x28; - - if (power <= FB_BLANK_NORMAL) { - if (priv->lcd_state <= FB_BLANK_NORMAL) { - /* Do nothing, the LCD is running */ - } else if (priv->lcd_state < FB_BLANK_POWERDOWN) { - dev_dbg(&spi->dev, "Resuming LCD\n"); - - spi_write(spi, (const u8 *)&slpout, sizeof(u16)); - msleep(60); - spi_write(spi, (const u8 *)&dison, sizeof(u16)); - } else { - /* priv->lcd_state == FB_BLANK_POWERDOWN */ - l4f00242t03_lcd_init(spi); - priv->lcd_state = FB_BLANK_VSYNC_SUSPEND; - l4f00242t03_lcd_power_set(priv->ld, power); - } - } else if (power < FB_BLANK_POWERDOWN) { - if (priv->lcd_state <= FB_BLANK_NORMAL) { - /* Send the display in standby */ - dev_dbg(&spi->dev, "Standby the LCD\n"); - - spi_write(spi, (const u8 *)&disoff, sizeof(u16)); - msleep(60); - spi_write(spi, (const u8 *)&slpin, sizeof(u16)); - } else if (priv->lcd_state < FB_BLANK_POWERDOWN) { - /* Do nothing, the LCD is already in standby */ - } else { - /* priv->lcd_state == FB_BLANK_POWERDOWN */ - l4f00242t03_lcd_init(spi); - priv->lcd_state = FB_BLANK_UNBLANK; - l4f00242t03_lcd_power_set(ld, power); - } - } else { - /* power == FB_BLANK_POWERDOWN */ - if (priv->lcd_state != FB_BLANK_POWERDOWN) { - /* Clear the screen before shutting down */ - spi_write(spi, (const u8 *)&disoff, sizeof(u16)); - msleep(60); - l4f00242t03_lcd_powerdown(spi); - } - } - - priv->lcd_state = power; - - return 0; -} - -static struct lcd_ops l4f_ops = { - .set_power = l4f00242t03_lcd_power_set, - .get_power = l4f00242t03_lcd_power_get, -}; - -static int __devinit l4f00242t03_probe(struct spi_device *spi) -{ - struct l4f00242t03_priv *priv; - struct l4f00242t03_pdata *pdata = spi->dev.platform_data; - int ret; - - if (pdata == NULL) { - dev_err(&spi->dev, "Uninitialized platform data.\n"); - return -EINVAL; - } - - priv = kzalloc(sizeof(struct l4f00242t03_priv), GFP_KERNEL); - - if (priv == NULL) { - dev_err(&spi->dev, "No memory for this device.\n"); - return -ENOMEM; - } - - dev_set_drvdata(&spi->dev, priv); - spi->bits_per_word = 9; - spi_setup(spi); - - priv->spi = spi; - - ret = gpio_request_one(pdata->reset_gpio, GPIOF_OUT_INIT_HIGH, - "lcd l4f00242t03 reset"); - if (ret) { - dev_err(&spi->dev, - "Unable to get the lcd l4f00242t03 reset gpio.\n"); - goto err; - } - - ret = gpio_request_one(pdata->data_enable_gpio, GPIOF_OUT_INIT_LOW, - "lcd l4f00242t03 data enable"); - if (ret) { - dev_err(&spi->dev, - "Unable to get the lcd l4f00242t03 data en gpio.\n"); - goto err2; - } - - priv->io_reg = regulator_get(&spi->dev, "vdd"); - if (IS_ERR(priv->io_reg)) { - ret = PTR_ERR(priv->io_reg); - dev_err(&spi->dev, "%s: Unable to get the IO regulator\n", - __func__); - goto err3; - } - - priv->core_reg = regulator_get(&spi->dev, "vcore"); - if (IS_ERR(priv->core_reg)) { - ret = PTR_ERR(priv->core_reg); - dev_err(&spi->dev, "%s: Unable to get the core regulator\n", - __func__); - goto err4; - } - - priv->ld = lcd_device_register("l4f00242t03", - &spi->dev, priv, &l4f_ops); - if (IS_ERR(priv->ld)) { - ret = PTR_ERR(priv->ld); - goto err5; - } - - /* Init the LCD */ - l4f00242t03_lcd_init(spi); - priv->lcd_state = FB_BLANK_VSYNC_SUSPEND; - l4f00242t03_lcd_power_set(priv->ld, FB_BLANK_UNBLANK); - - dev_info(&spi->dev, "Epson l4f00242t03 lcd probed.\n"); - - return 0; - -err5: - regulator_put(priv->core_reg); -err4: - regulator_put(priv->io_reg); -err3: - gpio_free(pdata->data_enable_gpio); -err2: - gpio_free(pdata->reset_gpio); -err: - kfree(priv); - - return ret; -} - -static int __devexit l4f00242t03_remove(struct spi_device *spi) -{ - struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev); - struct l4f00242t03_pdata *pdata = priv->spi->dev.platform_data; - - l4f00242t03_lcd_power_set(priv->ld, FB_BLANK_POWERDOWN); - lcd_device_unregister(priv->ld); - - dev_set_drvdata(&spi->dev, NULL); - - gpio_free(pdata->data_enable_gpio); - gpio_free(pdata->reset_gpio); - - regulator_put(priv->io_reg); - regulator_put(priv->core_reg); - - kfree(priv); - - return 0; -} - -static void l4f00242t03_shutdown(struct spi_device *spi) -{ - struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev); - - if (priv) - l4f00242t03_lcd_power_set(priv->ld, FB_BLANK_POWERDOWN); - -} - -static struct spi_driver l4f00242t03_driver = { - .driver = { - .name = "l4f00242t03", - .owner = THIS_MODULE, - }, - .probe = l4f00242t03_probe, - .remove = __devexit_p(l4f00242t03_remove), - .shutdown = l4f00242t03_shutdown, -}; - -module_spi_driver(l4f00242t03_driver); - -MODULE_AUTHOR("Alberto Panizzo <maramaopercheseimorto@gmail.com>"); -MODULE_DESCRIPTION("EPSON L4F00242T03 LCD"); -MODULE_LICENSE("GPL v2"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/lcd.c b/ANDROID_3.4.5/drivers/video/backlight/lcd.c deleted file mode 100644 index 79c1b0d6..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/lcd.c +++ /dev/null @@ -1,274 +0,0 @@ -/* - * LCD Lowlevel Control Abstraction - * - * Copyright (C) 2003,2004 Hewlett-Packard Company - * - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/device.h> -#include <linux/lcd.h> -#include <linux/notifier.h> -#include <linux/ctype.h> -#include <linux/err.h> -#include <linux/fb.h> -#include <linux/slab.h> - -#if defined(CONFIG_FB) || (defined(CONFIG_FB_MODULE) && \ - defined(CONFIG_LCD_CLASS_DEVICE_MODULE)) -/* This callback gets called when something important happens inside a - * framebuffer driver. We're looking if that important event is blanking, - * and if it is, we're switching lcd power as well ... - */ -static int fb_notifier_callback(struct notifier_block *self, - unsigned long event, void *data) -{ - struct lcd_device *ld; - struct fb_event *evdata = data; - - /* If we aren't interested in this event, skip it immediately ... */ - switch (event) { - case FB_EVENT_BLANK: - case FB_EVENT_MODE_CHANGE: - case FB_EVENT_MODE_CHANGE_ALL: - break; - default: - return 0; - } - - ld = container_of(self, struct lcd_device, fb_notif); - if (!ld->ops) - return 0; - - mutex_lock(&ld->ops_lock); - if (!ld->ops->check_fb || ld->ops->check_fb(ld, evdata->info)) { - if (event == FB_EVENT_BLANK) { - if (ld->ops->set_power) - ld->ops->set_power(ld, *(int *)evdata->data); - } else { - if (ld->ops->set_mode) - ld->ops->set_mode(ld, evdata->data); - } - } - mutex_unlock(&ld->ops_lock); - return 0; -} - -static int lcd_register_fb(struct lcd_device *ld) -{ - memset(&ld->fb_notif, 0, sizeof(ld->fb_notif)); - ld->fb_notif.notifier_call = fb_notifier_callback; - return fb_register_client(&ld->fb_notif); -} - -static void lcd_unregister_fb(struct lcd_device *ld) -{ - fb_unregister_client(&ld->fb_notif); -} -#else -static int lcd_register_fb(struct lcd_device *ld) -{ - return 0; -} - -static inline void lcd_unregister_fb(struct lcd_device *ld) -{ -} -#endif /* CONFIG_FB */ - -static ssize_t lcd_show_power(struct device *dev, struct device_attribute *attr, - char *buf) -{ - int rc; - struct lcd_device *ld = to_lcd_device(dev); - - mutex_lock(&ld->ops_lock); - if (ld->ops && ld->ops->get_power) - rc = sprintf(buf, "%d\n", ld->ops->get_power(ld)); - else - rc = -ENXIO; - mutex_unlock(&ld->ops_lock); - - return rc; -} - -static ssize_t lcd_store_power(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - int rc = -ENXIO; - struct lcd_device *ld = to_lcd_device(dev); - unsigned long power; - - rc = kstrtoul(buf, 0, &power); - if (rc) - return rc; - - mutex_lock(&ld->ops_lock); - if (ld->ops && ld->ops->set_power) { - pr_debug("lcd: set power to %lu\n", power); - ld->ops->set_power(ld, power); - rc = count; - } - mutex_unlock(&ld->ops_lock); - - return rc; -} - -static ssize_t lcd_show_contrast(struct device *dev, - struct device_attribute *attr, char *buf) -{ - int rc = -ENXIO; - struct lcd_device *ld = to_lcd_device(dev); - - mutex_lock(&ld->ops_lock); - if (ld->ops && ld->ops->get_contrast) - rc = sprintf(buf, "%d\n", ld->ops->get_contrast(ld)); - mutex_unlock(&ld->ops_lock); - - return rc; -} - -static ssize_t lcd_store_contrast(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - int rc = -ENXIO; - struct lcd_device *ld = to_lcd_device(dev); - unsigned long contrast; - - rc = kstrtoul(buf, 0, &contrast); - if (rc) - return rc; - - mutex_lock(&ld->ops_lock); - if (ld->ops && ld->ops->set_contrast) { - pr_debug("lcd: set contrast to %lu\n", contrast); - ld->ops->set_contrast(ld, contrast); - rc = count; - } - mutex_unlock(&ld->ops_lock); - - return rc; -} - -static ssize_t lcd_show_max_contrast(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct lcd_device *ld = to_lcd_device(dev); - - return sprintf(buf, "%d\n", ld->props.max_contrast); -} - -static struct class *lcd_class; - -static void lcd_device_release(struct device *dev) -{ - struct lcd_device *ld = to_lcd_device(dev); - kfree(ld); -} - -static struct device_attribute lcd_device_attributes[] = { - __ATTR(lcd_power, 0644, lcd_show_power, lcd_store_power), - __ATTR(contrast, 0644, lcd_show_contrast, lcd_store_contrast), - __ATTR(max_contrast, 0444, lcd_show_max_contrast, NULL), - __ATTR_NULL, -}; - -/** - * lcd_device_register - register a new object of lcd_device class. - * @name: the name of the new object(must be the same as the name of the - * respective framebuffer device). - * @devdata: an optional pointer to be stored in the device. The - * methods may retrieve it by using lcd_get_data(ld). - * @ops: the lcd operations structure. - * - * Creates and registers a new lcd device. Returns either an ERR_PTR() - * or a pointer to the newly allocated device. - */ -struct lcd_device *lcd_device_register(const char *name, struct device *parent, - void *devdata, struct lcd_ops *ops) -{ - struct lcd_device *new_ld; - int rc; - - pr_debug("lcd_device_register: name=%s\n", name); - - new_ld = kzalloc(sizeof(struct lcd_device), GFP_KERNEL); - if (!new_ld) - return ERR_PTR(-ENOMEM); - - mutex_init(&new_ld->ops_lock); - mutex_init(&new_ld->update_lock); - - new_ld->dev.class = lcd_class; - new_ld->dev.parent = parent; - new_ld->dev.release = lcd_device_release; - dev_set_name(&new_ld->dev, name); - dev_set_drvdata(&new_ld->dev, devdata); - - rc = device_register(&new_ld->dev); - if (rc) { - kfree(new_ld); - return ERR_PTR(rc); - } - - rc = lcd_register_fb(new_ld); - if (rc) { - device_unregister(&new_ld->dev); - return ERR_PTR(rc); - } - - new_ld->ops = ops; - - return new_ld; -} -EXPORT_SYMBOL(lcd_device_register); - -/** - * lcd_device_unregister - unregisters a object of lcd_device class. - * @ld: the lcd device object to be unregistered and freed. - * - * Unregisters a previously registered via lcd_device_register object. - */ -void lcd_device_unregister(struct lcd_device *ld) -{ - if (!ld) - return; - - mutex_lock(&ld->ops_lock); - ld->ops = NULL; - mutex_unlock(&ld->ops_lock); - lcd_unregister_fb(ld); - - device_unregister(&ld->dev); -} -EXPORT_SYMBOL(lcd_device_unregister); - -static void __exit lcd_class_exit(void) -{ - class_destroy(lcd_class); -} - -static int __init lcd_class_init(void) -{ - lcd_class = class_create(THIS_MODULE, "lcd"); - if (IS_ERR(lcd_class)) { - printk(KERN_WARNING "Unable to create backlight class; errno = %ld\n", - PTR_ERR(lcd_class)); - return PTR_ERR(lcd_class); - } - - lcd_class->dev_attrs = lcd_device_attributes; - return 0; -} - -/* - * if this is compiled into the kernel, we need to ensure that the - * class is registered before users of the class try to register lcd's - */ -postcore_initcall(lcd_class_init); -module_exit(lcd_class_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Jamey Hicks <jamey.hicks@hp.com>, Andrew Zabolotny <zap@homelink.ru>"); -MODULE_DESCRIPTION("LCD Lowlevel Control Abstraction"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/ld9040.c b/ANDROID_3.4.5/drivers/video/backlight/ld9040.c deleted file mode 100644 index efd352be..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/ld9040.c +++ /dev/null @@ -1,863 +0,0 @@ -/* - * ld9040 AMOLED LCD panel driver. - * - * Copyright (c) 2011 Samsung Electronics - * Author: Donghwa Lee <dh09.lee@samsung.com> - * Derived from drivers/video/backlight/s6e63m0.c - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include <linux/wait.h> -#include <linux/fb.h> -#include <linux/delay.h> -#include <linux/gpio.h> -#include <linux/spi/spi.h> -#include <linux/irq.h> -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/lcd.h> -#include <linux/backlight.h> -#include <linux/module.h> -#include <linux/regulator/consumer.h> - -#include "ld9040_gamma.h" - -#define SLEEPMSEC 0x1000 -#define ENDDEF 0x2000 -#define DEFMASK 0xFF00 -#define COMMAND_ONLY 0xFE -#define DATA_ONLY 0xFF - -#define MIN_BRIGHTNESS 0 -#define MAX_BRIGHTNESS 24 -#define power_is_on(pwr) ((pwr) <= FB_BLANK_NORMAL) - -struct ld9040 { - struct device *dev; - struct spi_device *spi; - unsigned int power; - unsigned int current_brightness; - - struct lcd_device *ld; - struct backlight_device *bd; - struct lcd_platform_data *lcd_pd; - - struct mutex lock; - bool enabled; -}; - -static struct regulator_bulk_data supplies[] = { - { .supply = "vdd3", }, - { .supply = "vci", }, -}; - -static void ld9040_regulator_enable(struct ld9040 *lcd) -{ - int ret = 0; - struct lcd_platform_data *pd = NULL; - - pd = lcd->lcd_pd; - mutex_lock(&lcd->lock); - if (!lcd->enabled) { - ret = regulator_bulk_enable(ARRAY_SIZE(supplies), supplies); - if (ret) - goto out; - - lcd->enabled = true; - } - mdelay(pd->power_on_delay); -out: - mutex_unlock(&lcd->lock); -} - -static void ld9040_regulator_disable(struct ld9040 *lcd) -{ - int ret = 0; - - mutex_lock(&lcd->lock); - if (lcd->enabled) { - ret = regulator_bulk_disable(ARRAY_SIZE(supplies), supplies); - if (ret) - goto out; - - lcd->enabled = false; - } -out: - mutex_unlock(&lcd->lock); -} - -static const unsigned short seq_swreset[] = { - 0x01, COMMAND_ONLY, - ENDDEF, 0x00 -}; - -static const unsigned short seq_user_setting[] = { - 0xF0, 0x5A, - - DATA_ONLY, 0x5A, - ENDDEF, 0x00 -}; - -static const unsigned short seq_elvss_on[] = { - 0xB1, 0x0D, - - DATA_ONLY, 0x00, - DATA_ONLY, 0x16, - ENDDEF, 0x00 -}; - -static const unsigned short seq_gtcon[] = { - 0xF7, 0x09, - - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - ENDDEF, 0x00 -}; - -static const unsigned short seq_panel_condition[] = { - 0xF8, 0x05, - - DATA_ONLY, 0x65, - DATA_ONLY, 0x96, - DATA_ONLY, 0x71, - DATA_ONLY, 0x7D, - DATA_ONLY, 0x19, - DATA_ONLY, 0x3B, - DATA_ONLY, 0x0D, - DATA_ONLY, 0x19, - DATA_ONLY, 0x7E, - DATA_ONLY, 0x0D, - DATA_ONLY, 0xE2, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x7E, - DATA_ONLY, 0x7D, - DATA_ONLY, 0x07, - DATA_ONLY, 0x07, - DATA_ONLY, 0x20, - DATA_ONLY, 0x20, - DATA_ONLY, 0x20, - DATA_ONLY, 0x02, - DATA_ONLY, 0x02, - ENDDEF, 0x00 -}; - -static const unsigned short seq_gamma_set1[] = { - 0xF9, 0x00, - - DATA_ONLY, 0xA7, - DATA_ONLY, 0xB4, - DATA_ONLY, 0xAE, - DATA_ONLY, 0xBF, - DATA_ONLY, 0x00, - DATA_ONLY, 0x91, - DATA_ONLY, 0x00, - DATA_ONLY, 0xB2, - DATA_ONLY, 0xB4, - DATA_ONLY, 0xAA, - DATA_ONLY, 0xBB, - DATA_ONLY, 0x00, - DATA_ONLY, 0xAC, - DATA_ONLY, 0x00, - DATA_ONLY, 0xB3, - DATA_ONLY, 0xB1, - DATA_ONLY, 0xAA, - DATA_ONLY, 0xBC, - DATA_ONLY, 0x00, - DATA_ONLY, 0xB3, - ENDDEF, 0x00 -}; - -static const unsigned short seq_gamma_ctrl[] = { - 0xFB, 0x02, - - DATA_ONLY, 0x5A, - ENDDEF, 0x00 -}; - -static const unsigned short seq_gamma_start[] = { - 0xF9, COMMAND_ONLY, - - ENDDEF, 0x00 -}; - -static const unsigned short seq_apon[] = { - 0xF3, 0x00, - - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x0A, - DATA_ONLY, 0x02, - ENDDEF, 0x00 -}; - -static const unsigned short seq_display_ctrl[] = { - 0xF2, 0x02, - - DATA_ONLY, 0x08, - DATA_ONLY, 0x08, - DATA_ONLY, 0x10, - DATA_ONLY, 0x10, - ENDDEF, 0x00 -}; - -static const unsigned short seq_manual_pwr[] = { - 0xB0, 0x04, - ENDDEF, 0x00 -}; - -static const unsigned short seq_pwr_ctrl[] = { - 0xF4, 0x0A, - - DATA_ONLY, 0x87, - DATA_ONLY, 0x25, - DATA_ONLY, 0x6A, - DATA_ONLY, 0x44, - DATA_ONLY, 0x02, - DATA_ONLY, 0x88, - ENDDEF, 0x00 -}; - -static const unsigned short seq_sleep_out[] = { - 0x11, COMMAND_ONLY, - ENDDEF, 0x00 -}; - -static const unsigned short seq_sleep_in[] = { - 0x10, COMMAND_ONLY, - ENDDEF, 0x00 -}; - -static const unsigned short seq_display_on[] = { - 0x29, COMMAND_ONLY, - ENDDEF, 0x00 -}; - -static const unsigned short seq_display_off[] = { - 0x28, COMMAND_ONLY, - ENDDEF, 0x00 -}; - -static const unsigned short seq_vci1_1st_en[] = { - 0xF3, 0x10, - - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x02, - ENDDEF, 0x00 -}; - -static const unsigned short seq_vl1_en[] = { - 0xF3, 0x11, - - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x02, - ENDDEF, 0x00 -}; - -static const unsigned short seq_vl2_en[] = { - 0xF3, 0x13, - - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x02, - ENDDEF, 0x00 -}; - -static const unsigned short seq_vci1_2nd_en[] = { - 0xF3, 0x33, - - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x02, - ENDDEF, 0x00 -}; - -static const unsigned short seq_vl3_en[] = { - 0xF3, 0x37, - - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x02, - ENDDEF, 0x00 -}; - -static const unsigned short seq_vreg1_amp_en[] = { - 0xF3, 0x37, - - DATA_ONLY, 0x01, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x02, - ENDDEF, 0x00 -}; - -static const unsigned short seq_vgh_amp_en[] = { - 0xF3, 0x37, - - DATA_ONLY, 0x11, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x02, - ENDDEF, 0x00 -}; - -static const unsigned short seq_vgl_amp_en[] = { - 0xF3, 0x37, - - DATA_ONLY, 0x31, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x02, - ENDDEF, 0x00 -}; - -static const unsigned short seq_vmos_amp_en[] = { - 0xF3, 0x37, - - DATA_ONLY, 0xB1, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x03, - ENDDEF, 0x00 -}; - -static const unsigned short seq_vint_amp_en[] = { - 0xF3, 0x37, - - DATA_ONLY, 0xF1, - /* DATA_ONLY, 0x71, VMOS/VBL/VBH not used */ - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x03, - /* DATA_ONLY, 0x02, VMOS/VBL/VBH not used */ - ENDDEF, 0x00 -}; - -static const unsigned short seq_vbh_amp_en[] = { - 0xF3, 0x37, - - DATA_ONLY, 0xF9, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x03, - ENDDEF, 0x00 -}; - -static const unsigned short seq_vbl_amp_en[] = { - 0xF3, 0x37, - - DATA_ONLY, 0xFD, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x03, - ENDDEF, 0x00 -}; - -static const unsigned short seq_gam_amp_en[] = { - 0xF3, 0x37, - - DATA_ONLY, 0xFF, - /* DATA_ONLY, 0x73, VMOS/VBL/VBH not used */ - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x03, - /* DATA_ONLY, 0x02, VMOS/VBL/VBH not used */ - ENDDEF, 0x00 -}; - -static const unsigned short seq_sd_amp_en[] = { - 0xF3, 0x37, - - DATA_ONLY, 0xFF, - /* DATA_ONLY, 0x73, VMOS/VBL/VBH not used */ - DATA_ONLY, 0x80, - DATA_ONLY, 0x00, - DATA_ONLY, 0x03, - /* DATA_ONLY, 0x02, VMOS/VBL/VBH not used */ - ENDDEF, 0x00 -}; - -static const unsigned short seq_gls_en[] = { - 0xF3, 0x37, - - DATA_ONLY, 0xFF, - /* DATA_ONLY, 0x73, VMOS/VBL/VBH not used */ - DATA_ONLY, 0x81, - DATA_ONLY, 0x00, - DATA_ONLY, 0x03, - /* DATA_ONLY, 0x02, VMOS/VBL/VBH not used */ - ENDDEF, 0x00 -}; - -static const unsigned short seq_els_en[] = { - 0xF3, 0x37, - - DATA_ONLY, 0xFF, - /* DATA_ONLY, 0x73, VMOS/VBL/VBH not used */ - DATA_ONLY, 0x83, - DATA_ONLY, 0x00, - DATA_ONLY, 0x03, - /* DATA_ONLY, 0x02, VMOS/VBL/VBH not used */ - ENDDEF, 0x00 -}; - -static const unsigned short seq_el_on[] = { - 0xF3, 0x37, - - DATA_ONLY, 0xFF, - /* DATA_ONLY, 0x73, VMOS/VBL/VBH not used */ - DATA_ONLY, 0x87, - DATA_ONLY, 0x00, - DATA_ONLY, 0x03, - /* DATA_ONLY, 0x02, VMOS/VBL/VBH not used */ - ENDDEF, 0x00 -}; - -static int ld9040_spi_write_byte(struct ld9040 *lcd, int addr, int data) -{ - u16 buf[1]; - struct spi_message msg; - - struct spi_transfer xfer = { - .len = 2, - .tx_buf = buf, - }; - - buf[0] = (addr << 8) | data; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - - return spi_sync(lcd->spi, &msg); -} - -static int ld9040_spi_write(struct ld9040 *lcd, unsigned char address, - unsigned char command) -{ - int ret = 0; - - if (address != DATA_ONLY) - ret = ld9040_spi_write_byte(lcd, 0x0, address); - if (command != COMMAND_ONLY) - ret = ld9040_spi_write_byte(lcd, 0x1, command); - - return ret; -} - -static int ld9040_panel_send_sequence(struct ld9040 *lcd, - const unsigned short *wbuf) -{ - int ret = 0, i = 0; - - while ((wbuf[i] & DEFMASK) != ENDDEF) { - if ((wbuf[i] & DEFMASK) != SLEEPMSEC) { - ret = ld9040_spi_write(lcd, wbuf[i], wbuf[i+1]); - if (ret) - break; - } else - udelay(wbuf[i+1]*1000); - i += 2; - } - - return ret; -} - -static int _ld9040_gamma_ctl(struct ld9040 *lcd, const unsigned int *gamma) -{ - unsigned int i = 0; - int ret = 0; - - /* start gamma table updating. */ - ret = ld9040_panel_send_sequence(lcd, seq_gamma_start); - if (ret) { - dev_err(lcd->dev, "failed to disable gamma table updating.\n"); - goto gamma_err; - } - - for (i = 0 ; i < GAMMA_TABLE_COUNT; i++) { - ret = ld9040_spi_write(lcd, DATA_ONLY, gamma[i]); - if (ret) { - dev_err(lcd->dev, "failed to set gamma table.\n"); - goto gamma_err; - } - } - - /* update gamma table. */ - ret = ld9040_panel_send_sequence(lcd, seq_gamma_ctrl); - if (ret) - dev_err(lcd->dev, "failed to update gamma table.\n"); - -gamma_err: - return ret; -} - -static int ld9040_gamma_ctl(struct ld9040 *lcd, int gamma) -{ - int ret = 0; - - ret = _ld9040_gamma_ctl(lcd, gamma_table.gamma_22_table[gamma]); - - return ret; -} - - -static int ld9040_ldi_init(struct ld9040 *lcd) -{ - int ret, i; - static const unsigned short *init_seq[] = { - seq_user_setting, - seq_panel_condition, - seq_display_ctrl, - seq_manual_pwr, - seq_elvss_on, - seq_gtcon, - seq_gamma_set1, - seq_gamma_ctrl, - seq_sleep_out, - }; - - for (i = 0; i < ARRAY_SIZE(init_seq); i++) { - ret = ld9040_panel_send_sequence(lcd, init_seq[i]); - /* workaround: minimum delay time for transferring CMD */ - udelay(300); - if (ret) - break; - } - - return ret; -} - -static int ld9040_ldi_enable(struct ld9040 *lcd) -{ - int ret = 0; - - ret = ld9040_panel_send_sequence(lcd, seq_display_on); - - return ret; -} - -static int ld9040_ldi_disable(struct ld9040 *lcd) -{ - int ret; - - ret = ld9040_panel_send_sequence(lcd, seq_display_off); - ret = ld9040_panel_send_sequence(lcd, seq_sleep_in); - - return ret; -} - -static int ld9040_power_on(struct ld9040 *lcd) -{ - int ret = 0; - struct lcd_platform_data *pd = NULL; - pd = lcd->lcd_pd; - if (!pd) { - dev_err(lcd->dev, "platform data is NULL.\n"); - return -EFAULT; - } - - /* lcd power on */ - ld9040_regulator_enable(lcd); - - if (!pd->reset) { - dev_err(lcd->dev, "reset is NULL.\n"); - return -EFAULT; - } else { - pd->reset(lcd->ld); - mdelay(pd->reset_delay); - } - - ret = ld9040_ldi_init(lcd); - if (ret) { - dev_err(lcd->dev, "failed to initialize ldi.\n"); - return ret; - } - - ret = ld9040_ldi_enable(lcd); - if (ret) { - dev_err(lcd->dev, "failed to enable ldi.\n"); - return ret; - } - - return 0; -} - -static int ld9040_power_off(struct ld9040 *lcd) -{ - int ret = 0; - struct lcd_platform_data *pd = NULL; - - pd = lcd->lcd_pd; - if (!pd) { - dev_err(lcd->dev, "platform data is NULL.\n"); - return -EFAULT; - } - - ret = ld9040_ldi_disable(lcd); - if (ret) { - dev_err(lcd->dev, "lcd setting failed.\n"); - return -EIO; - } - - mdelay(pd->power_off_delay); - - /* lcd power off */ - ld9040_regulator_disable(lcd); - - return 0; -} - -static int ld9040_power(struct ld9040 *lcd, int power) -{ - int ret = 0; - - if (power_is_on(power) && !power_is_on(lcd->power)) - ret = ld9040_power_on(lcd); - else if (!power_is_on(power) && power_is_on(lcd->power)) - ret = ld9040_power_off(lcd); - - if (!ret) - lcd->power = power; - - return ret; -} - -static int ld9040_set_power(struct lcd_device *ld, int power) -{ - struct ld9040 *lcd = lcd_get_data(ld); - - if (power != FB_BLANK_UNBLANK && power != FB_BLANK_POWERDOWN && - power != FB_BLANK_NORMAL) { - dev_err(lcd->dev, "power value should be 0, 1 or 4.\n"); - return -EINVAL; - } - - return ld9040_power(lcd, power); -} - -static int ld9040_get_power(struct lcd_device *ld) -{ - struct ld9040 *lcd = lcd_get_data(ld); - - return lcd->power; -} - -static int ld9040_get_brightness(struct backlight_device *bd) -{ - return bd->props.brightness; -} - -static int ld9040_set_brightness(struct backlight_device *bd) -{ - int ret = 0, brightness = bd->props.brightness; - struct ld9040 *lcd = bl_get_data(bd); - - if (brightness < MIN_BRIGHTNESS || - brightness > bd->props.max_brightness) { - dev_err(&bd->dev, "lcd brightness should be %d to %d.\n", - MIN_BRIGHTNESS, MAX_BRIGHTNESS); - return -EINVAL; - } - - ret = ld9040_gamma_ctl(lcd, bd->props.brightness); - if (ret) { - dev_err(&bd->dev, "lcd brightness setting failed.\n"); - return -EIO; - } - - return ret; -} - -static struct lcd_ops ld9040_lcd_ops = { - .set_power = ld9040_set_power, - .get_power = ld9040_get_power, -}; - -static const struct backlight_ops ld9040_backlight_ops = { - .get_brightness = ld9040_get_brightness, - .update_status = ld9040_set_brightness, -}; - - -static int ld9040_probe(struct spi_device *spi) -{ - int ret = 0; - struct ld9040 *lcd = NULL; - struct lcd_device *ld = NULL; - struct backlight_device *bd = NULL; - struct backlight_properties props; - - lcd = kzalloc(sizeof(struct ld9040), GFP_KERNEL); - if (!lcd) - return -ENOMEM; - - /* ld9040 lcd panel uses 3-wire 9bits SPI Mode. */ - spi->bits_per_word = 9; - - ret = spi_setup(spi); - if (ret < 0) { - dev_err(&spi->dev, "spi setup failed.\n"); - goto out_free_lcd; - } - - lcd->spi = spi; - lcd->dev = &spi->dev; - - lcd->lcd_pd = spi->dev.platform_data; - if (!lcd->lcd_pd) { - dev_err(&spi->dev, "platform data is NULL.\n"); - goto out_free_lcd; - } - - mutex_init(&lcd->lock); - - ret = regulator_bulk_get(lcd->dev, ARRAY_SIZE(supplies), supplies); - if (ret) { - dev_err(lcd->dev, "Failed to get regulators: %d\n", ret); - goto out_free_lcd; - } - - ld = lcd_device_register("ld9040", &spi->dev, lcd, &ld9040_lcd_ops); - if (IS_ERR(ld)) { - ret = PTR_ERR(ld); - goto out_free_lcd; - } - - lcd->ld = ld; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = MAX_BRIGHTNESS; - - bd = backlight_device_register("ld9040-bl", &spi->dev, - lcd, &ld9040_backlight_ops, &props); - if (IS_ERR(bd)) { - ret = PTR_ERR(bd); - goto out_unregister_lcd; - } - - bd->props.brightness = MAX_BRIGHTNESS; - lcd->bd = bd; - - /* - * if lcd panel was on from bootloader like u-boot then - * do not lcd on. - */ - if (!lcd->lcd_pd->lcd_enabled) { - /* - * if lcd panel was off from bootloader then - * current lcd status is powerdown and then - * it enables lcd panel. - */ - lcd->power = FB_BLANK_POWERDOWN; - - ld9040_power(lcd, FB_BLANK_UNBLANK); - } else - lcd->power = FB_BLANK_UNBLANK; - - dev_set_drvdata(&spi->dev, lcd); - - dev_info(&spi->dev, "ld9040 panel driver has been probed.\n"); - return 0; - -out_unregister_lcd: - lcd_device_unregister(lcd->ld); -out_free_lcd: - regulator_bulk_free(ARRAY_SIZE(supplies), supplies); - - kfree(lcd); - return ret; -} - -static int __devexit ld9040_remove(struct spi_device *spi) -{ - struct ld9040 *lcd = dev_get_drvdata(&spi->dev); - - ld9040_power(lcd, FB_BLANK_POWERDOWN); - backlight_device_unregister(lcd->bd); - lcd_device_unregister(lcd->ld); - regulator_bulk_free(ARRAY_SIZE(supplies), supplies); - kfree(lcd); - - return 0; -} - -#if defined(CONFIG_PM) -static int ld9040_suspend(struct spi_device *spi, pm_message_t mesg) -{ - int ret = 0; - struct ld9040 *lcd = dev_get_drvdata(&spi->dev); - - dev_dbg(&spi->dev, "lcd->power = %d\n", lcd->power); - - /* - * when lcd panel is suspend, lcd panel becomes off - * regardless of status. - */ - ret = ld9040_power(lcd, FB_BLANK_POWERDOWN); - - return ret; -} - -static int ld9040_resume(struct spi_device *spi) -{ - int ret = 0; - struct ld9040 *lcd = dev_get_drvdata(&spi->dev); - - lcd->power = FB_BLANK_POWERDOWN; - - ret = ld9040_power(lcd, FB_BLANK_UNBLANK); - - return ret; -} -#else -#define ld9040_suspend NULL -#define ld9040_resume NULL -#endif - -/* Power down all displays on reboot, poweroff or halt. */ -static void ld9040_shutdown(struct spi_device *spi) -{ - struct ld9040 *lcd = dev_get_drvdata(&spi->dev); - - ld9040_power(lcd, FB_BLANK_POWERDOWN); -} - -static struct spi_driver ld9040_driver = { - .driver = { - .name = "ld9040", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - }, - .probe = ld9040_probe, - .remove = __devexit_p(ld9040_remove), - .shutdown = ld9040_shutdown, - .suspend = ld9040_suspend, - .resume = ld9040_resume, -}; - -module_spi_driver(ld9040_driver); - -MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>"); -MODULE_DESCRIPTION("ld9040 LCD Driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/ld9040_gamma.h b/ANDROID_3.4.5/drivers/video/backlight/ld9040_gamma.h deleted file mode 100644 index 038d9c86..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/ld9040_gamma.h +++ /dev/null @@ -1,200 +0,0 @@ -/* - * Gamma level definitions. - * - * Copyright (c) 2011 Samsung Electronics - * InKi Dae <inki.dae@samsung.com> - * Donghwa Lee <dh09.lee@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef _LD9040_BRIGHTNESS_H -#define _LD9040_BRIGHTNESS_H - -#define MAX_GAMMA_LEVEL 25 -#define GAMMA_TABLE_COUNT 21 - -/* gamma value: 2.2 */ -static const unsigned int ld9040_22_300[] = { - 0x00, 0xa7, 0xb4, 0xae, 0xbf, 0x00, 0x91, - 0x00, 0xb2, 0xb4, 0xaa, 0xbb, 0x00, 0xac, - 0x00, 0xb3, 0xb1, 0xaa, 0xbc, 0x00, 0xb3 -}; - -static const unsigned int ld9040_22_290[] = { - 0x00, 0xa9, 0xb7, 0xae, 0xbd, 0x00, 0x89, - 0x00, 0xb7, 0xb6, 0xa8, 0xba, 0x00, 0xa4, - 0x00, 0xb1, 0xb4, 0xaa, 0xbb, 0x00, 0xaa -}; - -static const unsigned int ld9040_22_280[] = { - 0x00, 0xa9, 0xb6, 0xad, 0xbf, 0x00, 0x86, - 0x00, 0xb8, 0xb5, 0xa8, 0xbc, 0x00, 0xa0, - 0x00, 0xb3, 0xb3, 0xa9, 0xbc, 0x00, 0xa7 -}; - -static const unsigned int ld9040_22_270[] = { - 0x00, 0xa8, 0xb8, 0xae, 0xbe, 0x00, 0x84, - 0x00, 0xb9, 0xb7, 0xa8, 0xbc, 0x00, 0x9d, - 0x00, 0xb2, 0xb5, 0xaa, 0xbc, 0x00, 0xa4 - -}; -static const unsigned int ld9040_22_260[] = { - 0x00, 0xa4, 0xb8, 0xb0, 0xbf, 0x00, 0x80, - 0x00, 0xb8, 0xb6, 0xaa, 0xbc, 0x00, 0x9a, - 0x00, 0xb0, 0xb5, 0xab, 0xbd, 0x00, 0xa0 -}; - -static const unsigned int ld9040_22_250[] = { - 0x00, 0xa4, 0xb9, 0xaf, 0xc1, 0x00, 0x7d, - 0x00, 0xb9, 0xb6, 0xaa, 0xbb, 0x00, 0x97, - 0x00, 0xb1, 0xb5, 0xaa, 0xbf, 0x00, 0x9d -}; - -static const unsigned int ld9040_22_240[] = { - 0x00, 0xa2, 0xb9, 0xaf, 0xc2, 0x00, 0x7a, - 0x00, 0xb9, 0xb7, 0xaa, 0xbd, 0x00, 0x94, - 0x00, 0xb0, 0xb5, 0xab, 0xbf, 0x00, 0x9a -}; - -static const unsigned int ld9040_22_230[] = { - 0x00, 0xa0, 0xb9, 0xaf, 0xc3, 0x00, 0x77, - 0x00, 0xb9, 0xb7, 0xab, 0xbe, 0x00, 0x90, - 0x00, 0xb0, 0xb6, 0xab, 0xbf, 0x00, 0x97 -}; - -static const unsigned int ld9040_22_220[] = { - 0x00, 0x9e, 0xba, 0xb0, 0xc2, 0x00, 0x75, - 0x00, 0xb9, 0xb8, 0xab, 0xbe, 0x00, 0x8e, - 0x00, 0xb0, 0xb6, 0xac, 0xbf, 0x00, 0x94 -}; - -static const unsigned int ld9040_22_210[] = { - 0x00, 0x9c, 0xb9, 0xb0, 0xc4, 0x00, 0x72, - 0x00, 0xb8, 0xb8, 0xac, 0xbf, 0x00, 0x8a, - 0x00, 0xb0, 0xb6, 0xac, 0xc0, 0x00, 0x91 -}; - -static const unsigned int ld9040_22_200[] = { - 0x00, 0x9a, 0xba, 0xb1, 0xc4, 0x00, 0x6f, - 0x00, 0xb8, 0xb8, 0xad, 0xc0, 0x00, 0x86, - 0x00, 0xb0, 0xb7, 0xad, 0xc0, 0x00, 0x8d -}; - -static const unsigned int ld9040_22_190[] = { - 0x00, 0x97, 0xba, 0xb2, 0xc5, 0x00, 0x6c, - 0x00, 0xb8, 0xb8, 0xae, 0xc1, 0x00, 0x82, - 0x00, 0xb0, 0xb6, 0xae, 0xc2, 0x00, 0x89 -}; - -static const unsigned int ld9040_22_180[] = { - 0x00, 0x93, 0xba, 0xb3, 0xc5, 0x00, 0x69, - 0x00, 0xb8, 0xb9, 0xae, 0xc1, 0x00, 0x7f, - 0x00, 0xb0, 0xb6, 0xae, 0xc3, 0x00, 0x85 -}; - -static const unsigned int ld9040_22_170[] = { - 0x00, 0x8b, 0xb9, 0xb3, 0xc7, 0x00, 0x65, - 0x00, 0xb7, 0xb8, 0xaf, 0xc3, 0x00, 0x7a, - 0x00, 0x80, 0xb6, 0xae, 0xc4, 0x00, 0x81 -}; - -static const unsigned int ld9040_22_160[] = { - 0x00, 0x89, 0xba, 0xb3, 0xc8, 0x00, 0x62, - 0x00, 0xb6, 0xba, 0xaf, 0xc3, 0x00, 0x76, - 0x00, 0xaf, 0xb7, 0xae, 0xc4, 0x00, 0x7e -}; - -static const unsigned int ld9040_22_150[] = { - 0x00, 0x82, 0xba, 0xb4, 0xc7, 0x00, 0x5f, - 0x00, 0xb5, 0xba, 0xb0, 0xc3, 0x00, 0x72, - 0x00, 0xae, 0xb8, 0xb0, 0xc3, 0x00, 0x7a -}; - -static const unsigned int ld9040_22_140[] = { - 0x00, 0x7b, 0xbb, 0xb4, 0xc8, 0x00, 0x5b, - 0x00, 0xb5, 0xba, 0xb1, 0xc4, 0x00, 0x6e, - 0x00, 0xae, 0xb9, 0xb0, 0xc5, 0x00, 0x75 -}; - -static const unsigned int ld9040_22_130[] = { - 0x00, 0x71, 0xbb, 0xb5, 0xc8, 0x00, 0x57, - 0x00, 0xb5, 0xbb, 0xb0, 0xc5, 0x00, 0x6a, - 0x00, 0xae, 0xb9, 0xb1, 0xc6, 0x00, 0x70 -}; - -static const unsigned int ld9040_22_120[] = { - 0x00, 0x47, 0xba, 0xb6, 0xca, 0x00, 0x53, - 0x00, 0xb5, 0xbb, 0xb3, 0xc6, 0x00, 0x65, - 0x00, 0xae, 0xb8, 0xb3, 0xc7, 0x00, 0x6c -}; - -static const unsigned int ld9040_22_110[] = { - 0x00, 0x13, 0xbb, 0xb7, 0xca, 0x00, 0x4f, - 0x00, 0xb4, 0xbb, 0xb3, 0xc7, 0x00, 0x60, - 0x00, 0xad, 0xb8, 0xb4, 0xc7, 0x00, 0x67 -}; - -static const unsigned int ld9040_22_100[] = { - 0x00, 0x13, 0xba, 0xb8, 0xcb, 0x00, 0x4b, - 0x00, 0xb3, 0xbc, 0xb4, 0xc7, 0x00, 0x5c, - 0x00, 0xac, 0xb8, 0xb4, 0xc8, 0x00, 0x62 -}; - -static const unsigned int ld9040_22_90[] = { - 0x00, 0x13, 0xb9, 0xb8, 0xcd, 0x00, 0x46, - 0x00, 0xb1, 0xbc, 0xb5, 0xc8, 0x00, 0x56, - 0x00, 0xaa, 0xb8, 0xb4, 0xc9, 0x00, 0x5d -}; - -static const unsigned int ld9040_22_80[] = { - 0x00, 0x13, 0xba, 0xb9, 0xcd, 0x00, 0x41, - 0x00, 0xb0, 0xbe, 0xb5, 0xc9, 0x00, 0x51, - 0x00, 0xa9, 0xb9, 0xb5, 0xca, 0x00, 0x57 -}; - -static const unsigned int ld9040_22_70[] = { - 0x00, 0x13, 0xb9, 0xb9, 0xd0, 0x00, 0x3c, - 0x00, 0xaf, 0xbf, 0xb6, 0xcb, 0x00, 0x4b, - 0x00, 0xa8, 0xb9, 0xb5, 0xcc, 0x00, 0x52 -}; - -static const unsigned int ld9040_22_50[] = { - 0x00, 0x13, 0xb2, 0xba, 0xd2, 0x00, 0x30, - 0x00, 0xaf, 0xc0, 0xb8, 0xcd, 0x00, 0x3d, - 0x00, 0xa8, 0xb8, 0xb7, 0xcd, 0x00, 0x44 -}; - -struct ld9040_gamma { - unsigned int *gamma_22_table[MAX_GAMMA_LEVEL]; -} gamma_table = { - .gamma_22_table[0] = (unsigned int *)&ld9040_22_50, - .gamma_22_table[1] = (unsigned int *)&ld9040_22_70, - .gamma_22_table[2] = (unsigned int *)&ld9040_22_80, - .gamma_22_table[3] = (unsigned int *)&ld9040_22_90, - .gamma_22_table[4] = (unsigned int *)&ld9040_22_100, - .gamma_22_table[5] = (unsigned int *)&ld9040_22_110, - .gamma_22_table[6] = (unsigned int *)&ld9040_22_120, - .gamma_22_table[7] = (unsigned int *)&ld9040_22_130, - .gamma_22_table[8] = (unsigned int *)&ld9040_22_140, - .gamma_22_table[9] = (unsigned int *)&ld9040_22_150, - .gamma_22_table[10] = (unsigned int *)&ld9040_22_160, - .gamma_22_table[11] = (unsigned int *)&ld9040_22_170, - .gamma_22_table[12] = (unsigned int *)&ld9040_22_180, - .gamma_22_table[13] = (unsigned int *)&ld9040_22_190, - .gamma_22_table[14] = (unsigned int *)&ld9040_22_200, - .gamma_22_table[15] = (unsigned int *)&ld9040_22_210, - .gamma_22_table[16] = (unsigned int *)&ld9040_22_220, - .gamma_22_table[17] = (unsigned int *)&ld9040_22_230, - .gamma_22_table[18] = (unsigned int *)&ld9040_22_240, - .gamma_22_table[19] = (unsigned int *)&ld9040_22_250, - .gamma_22_table[20] = (unsigned int *)&ld9040_22_260, - .gamma_22_table[21] = (unsigned int *)&ld9040_22_270, - .gamma_22_table[22] = (unsigned int *)&ld9040_22_280, - .gamma_22_table[23] = (unsigned int *)&ld9040_22_290, - .gamma_22_table[24] = (unsigned int *)&ld9040_22_300, -}; - -#endif diff --git a/ANDROID_3.4.5/drivers/video/backlight/lms283gf05.c b/ANDROID_3.4.5/drivers/video/backlight/lms283gf05.c deleted file mode 100644 index 4161f9e3..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/lms283gf05.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - * lms283gf05.c -- support for Samsung LMS283GF05 LCD - * - * Copyright (c) 2009 Marek Vasut <marek.vasut@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/slab.h> -#include <linux/gpio.h> -#include <linux/lcd.h> - -#include <linux/spi/spi.h> -#include <linux/spi/lms283gf05.h> -#include <linux/module.h> - -struct lms283gf05_state { - struct spi_device *spi; - struct lcd_device *ld; -}; - -struct lms283gf05_seq { - unsigned char reg; - unsigned short value; - unsigned char delay; -}; - -/* Magic sequences supplied by manufacturer, for details refer to datasheet */ -static struct lms283gf05_seq disp_initseq[] = { - /* REG, VALUE, DELAY */ - { 0x07, 0x0000, 0 }, - { 0x13, 0x0000, 10 }, - - { 0x11, 0x3004, 0 }, - { 0x14, 0x200F, 0 }, - { 0x10, 0x1a20, 0 }, - { 0x13, 0x0040, 50 }, - - { 0x13, 0x0060, 0 }, - { 0x13, 0x0070, 200 }, - - { 0x01, 0x0127, 0 }, - { 0x02, 0x0700, 0 }, - { 0x03, 0x1030, 0 }, - { 0x08, 0x0208, 0 }, - { 0x0B, 0x0620, 0 }, - { 0x0C, 0x0110, 0 }, - { 0x30, 0x0120, 0 }, - { 0x31, 0x0127, 0 }, - { 0x32, 0x0000, 0 }, - { 0x33, 0x0503, 0 }, - { 0x34, 0x0727, 0 }, - { 0x35, 0x0124, 0 }, - { 0x36, 0x0706, 0 }, - { 0x37, 0x0701, 0 }, - { 0x38, 0x0F00, 0 }, - { 0x39, 0x0F00, 0 }, - { 0x40, 0x0000, 0 }, - { 0x41, 0x0000, 0 }, - { 0x42, 0x013f, 0 }, - { 0x43, 0x0000, 0 }, - { 0x44, 0x013f, 0 }, - { 0x45, 0x0000, 0 }, - { 0x46, 0xef00, 0 }, - { 0x47, 0x013f, 0 }, - { 0x48, 0x0000, 0 }, - { 0x07, 0x0015, 30 }, - - { 0x07, 0x0017, 0 }, - - { 0x20, 0x0000, 0 }, - { 0x21, 0x0000, 0 }, - { 0x22, 0x0000, 0 } -}; - -static struct lms283gf05_seq disp_pdwnseq[] = { - { 0x07, 0x0016, 30 }, - - { 0x07, 0x0004, 0 }, - { 0x10, 0x0220, 20 }, - - { 0x13, 0x0060, 50 }, - - { 0x13, 0x0040, 50 }, - - { 0x13, 0x0000, 0 }, - { 0x10, 0x0000, 0 } -}; - - -static void lms283gf05_reset(unsigned long gpio, bool inverted) -{ - gpio_set_value(gpio, !inverted); - mdelay(100); - gpio_set_value(gpio, inverted); - mdelay(20); - gpio_set_value(gpio, !inverted); - mdelay(20); -} - -static void lms283gf05_toggle(struct spi_device *spi, - struct lms283gf05_seq *seq, int sz) -{ - char buf[3]; - int i; - - for (i = 0; i < sz; i++) { - buf[0] = 0x74; - buf[1] = 0x00; - buf[2] = seq[i].reg; - spi_write(spi, buf, 3); - - buf[0] = 0x76; - buf[1] = seq[i].value >> 8; - buf[2] = seq[i].value & 0xff; - spi_write(spi, buf, 3); - - mdelay(seq[i].delay); - } -} - -static int lms283gf05_power_set(struct lcd_device *ld, int power) -{ - struct lms283gf05_state *st = lcd_get_data(ld); - struct spi_device *spi = st->spi; - struct lms283gf05_pdata *pdata = spi->dev.platform_data; - - if (power <= FB_BLANK_NORMAL) { - if (pdata) - lms283gf05_reset(pdata->reset_gpio, - pdata->reset_inverted); - lms283gf05_toggle(spi, disp_initseq, ARRAY_SIZE(disp_initseq)); - } else { - lms283gf05_toggle(spi, disp_pdwnseq, ARRAY_SIZE(disp_pdwnseq)); - if (pdata) - gpio_set_value(pdata->reset_gpio, - pdata->reset_inverted); - } - - return 0; -} - -static struct lcd_ops lms_ops = { - .set_power = lms283gf05_power_set, - .get_power = NULL, -}; - -static int __devinit lms283gf05_probe(struct spi_device *spi) -{ - struct lms283gf05_state *st; - struct lms283gf05_pdata *pdata = spi->dev.platform_data; - struct lcd_device *ld; - int ret = 0; - - if (pdata != NULL) { - ret = gpio_request(pdata->reset_gpio, "LMS285GF05 RESET"); - if (ret) - return ret; - - ret = gpio_direction_output(pdata->reset_gpio, - !pdata->reset_inverted); - if (ret) - goto err; - } - - st = kzalloc(sizeof(struct lms283gf05_state), GFP_KERNEL); - if (st == NULL) { - dev_err(&spi->dev, "No memory for device state\n"); - ret = -ENOMEM; - goto err; - } - - ld = lcd_device_register("lms283gf05", &spi->dev, st, &lms_ops); - if (IS_ERR(ld)) { - ret = PTR_ERR(ld); - goto err2; - } - - st->spi = spi; - st->ld = ld; - - dev_set_drvdata(&spi->dev, st); - - /* kick in the LCD */ - if (pdata) - lms283gf05_reset(pdata->reset_gpio, pdata->reset_inverted); - lms283gf05_toggle(spi, disp_initseq, ARRAY_SIZE(disp_initseq)); - - return 0; - -err2: - kfree(st); -err: - if (pdata != NULL) - gpio_free(pdata->reset_gpio); - - return ret; -} - -static int __devexit lms283gf05_remove(struct spi_device *spi) -{ - struct lms283gf05_state *st = dev_get_drvdata(&spi->dev); - struct lms283gf05_pdata *pdata = st->spi->dev.platform_data; - - lcd_device_unregister(st->ld); - - if (pdata != NULL) - gpio_free(pdata->reset_gpio); - - kfree(st); - - return 0; -} - -static struct spi_driver lms283gf05_driver = { - .driver = { - .name = "lms283gf05", - .owner = THIS_MODULE, - }, - .probe = lms283gf05_probe, - .remove = __devexit_p(lms283gf05_remove), -}; - -module_spi_driver(lms283gf05_driver); - -MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); -MODULE_DESCRIPTION("LCD283GF05 LCD"); -MODULE_LICENSE("GPL v2"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/locomolcd.c b/ANDROID_3.4.5/drivers/video/backlight/locomolcd.c deleted file mode 100644 index 3a6d5419..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/locomolcd.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - * Backlight control code for Sharp Zaurus SL-5500 - * - * Copyright 2005 John Lenz <lenz@cs.wisc.edu> - * Maintainer: Pavel Machek <pavel@ucw.cz> (unless John wants to :-) - * GPL v2 - * - * This driver assumes single CPU. That's okay, because collie is - * slightly old hardware, and no one is going to retrofit second CPU to - * old PDA. - */ - -/* LCD power functions */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/interrupt.h> -#include <linux/fb.h> -#include <linux/backlight.h> - -#include <asm/hardware/locomo.h> -#include <asm/irq.h> -#include <asm/mach/sharpsl_param.h> -#include <asm/mach-types.h> - -#include "../../../arch/arm/mach-sa1100/generic.h" - -static struct backlight_device *locomolcd_bl_device; -static struct locomo_dev *locomolcd_dev; -static unsigned long locomolcd_flags; -#define LOCOMOLCD_SUSPENDED 0x01 - -static void locomolcd_on(int comadj) -{ - locomo_gpio_set_dir(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHA_ON, 0); - locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHA_ON, 1); - mdelay(2); - - locomo_gpio_set_dir(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHD_ON, 0); - locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHD_ON, 1); - mdelay(2); - - locomo_m62332_senddata(locomolcd_dev, comadj, 0); - mdelay(5); - - locomo_gpio_set_dir(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VEE_ON, 0); - locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VEE_ON, 1); - mdelay(10); - - /* TFTCRST | CPSOUT=0 | CPSEN */ - locomo_writel(0x01, locomolcd_dev->mapbase + LOCOMO_TC); - - /* Set CPSD */ - locomo_writel(6, locomolcd_dev->mapbase + LOCOMO_CPSD); - - /* TFTCRST | CPSOUT=0 | CPSEN */ - locomo_writel((0x04 | 0x01), locomolcd_dev->mapbase + LOCOMO_TC); - mdelay(10); - - locomo_gpio_set_dir(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_MOD, 0); - locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_MOD, 1); -} - -static void locomolcd_off(int comadj) -{ - /* TFTCRST=1 | CPSOUT=1 | CPSEN = 0 */ - locomo_writel(0x06, locomolcd_dev->mapbase + LOCOMO_TC); - mdelay(1); - - locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHA_ON, 0); - mdelay(110); - - locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VEE_ON, 0); - mdelay(700); - - /* TFTCRST=0 | CPSOUT=0 | CPSEN = 0 */ - locomo_writel(0, locomolcd_dev->mapbase + LOCOMO_TC); - locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_MOD, 0); - locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHD_ON, 0); -} - -void locomolcd_power(int on) -{ - int comadj = sharpsl_param.comadj; - unsigned long flags; - - local_irq_save(flags); - - if (!locomolcd_dev) { - local_irq_restore(flags); - return; - } - - /* read comadj */ - if (comadj == -1 && machine_is_collie()) - comadj = 128; - if (comadj == -1 && machine_is_poodle()) - comadj = 118; - - if (on) - locomolcd_on(comadj); - else - locomolcd_off(comadj); - - local_irq_restore(flags); -} -EXPORT_SYMBOL(locomolcd_power); - - -static int current_intensity; - -static int locomolcd_set_intensity(struct backlight_device *bd) -{ - int intensity = bd->props.brightness; - - if (bd->props.power != FB_BLANK_UNBLANK) - intensity = 0; - if (bd->props.fb_blank != FB_BLANK_UNBLANK) - intensity = 0; - if (locomolcd_flags & LOCOMOLCD_SUSPENDED) - intensity = 0; - - switch (intensity) { - /* AC and non-AC are handled differently, but produce same results in sharp code? */ - case 0: locomo_frontlight_set(locomolcd_dev, 0, 0, 161); break; - case 1: locomo_frontlight_set(locomolcd_dev, 117, 0, 161); break; - case 2: locomo_frontlight_set(locomolcd_dev, 163, 0, 148); break; - case 3: locomo_frontlight_set(locomolcd_dev, 194, 0, 161); break; - case 4: locomo_frontlight_set(locomolcd_dev, 194, 1, 161); break; - - default: - return -ENODEV; - } - current_intensity = intensity; - return 0; -} - -static int locomolcd_get_intensity(struct backlight_device *bd) -{ - return current_intensity; -} - -static const struct backlight_ops locomobl_data = { - .get_brightness = locomolcd_get_intensity, - .update_status = locomolcd_set_intensity, -}; - -#ifdef CONFIG_PM -static int locomolcd_suspend(struct locomo_dev *dev, pm_message_t state) -{ - locomolcd_flags |= LOCOMOLCD_SUSPENDED; - locomolcd_set_intensity(locomolcd_bl_device); - return 0; -} - -static int locomolcd_resume(struct locomo_dev *dev) -{ - locomolcd_flags &= ~LOCOMOLCD_SUSPENDED; - locomolcd_set_intensity(locomolcd_bl_device); - return 0; -} -#else -#define locomolcd_suspend NULL -#define locomolcd_resume NULL -#endif - -static int locomolcd_probe(struct locomo_dev *ldev) -{ - struct backlight_properties props; - unsigned long flags; - - local_irq_save(flags); - locomolcd_dev = ldev; - - locomo_gpio_set_dir(ldev->dev.parent, LOCOMO_GPIO_FL_VR, 0); - - /* the poodle_lcd_power function is called for the first time - * from fs_initcall, which is before locomo is activated. - * We need to recall poodle_lcd_power here*/ - if (machine_is_poodle()) - locomolcd_power(1); - - local_irq_restore(flags); - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = 4; - locomolcd_bl_device = backlight_device_register("locomo-bl", - &ldev->dev, NULL, - &locomobl_data, &props); - - if (IS_ERR (locomolcd_bl_device)) - return PTR_ERR (locomolcd_bl_device); - - /* Set up frontlight so that screen is readable */ - locomolcd_bl_device->props.brightness = 2; - locomolcd_set_intensity(locomolcd_bl_device); - - return 0; -} - -static int locomolcd_remove(struct locomo_dev *dev) -{ - unsigned long flags; - - locomolcd_bl_device->props.brightness = 0; - locomolcd_bl_device->props.power = 0; - locomolcd_set_intensity(locomolcd_bl_device); - - backlight_device_unregister(locomolcd_bl_device); - local_irq_save(flags); - locomolcd_dev = NULL; - local_irq_restore(flags); - return 0; -} - -static struct locomo_driver poodle_lcd_driver = { - .drv = { - .name = "locomo-backlight", - }, - .devid = LOCOMO_DEVID_BACKLIGHT, - .probe = locomolcd_probe, - .remove = locomolcd_remove, - .suspend = locomolcd_suspend, - .resume = locomolcd_resume, -}; - - -static int __init locomolcd_init(void) -{ - return locomo_driver_register(&poodle_lcd_driver); -} - -static void __exit locomolcd_exit(void) -{ - locomo_driver_unregister(&poodle_lcd_driver); -} - -module_init(locomolcd_init); -module_exit(locomolcd_exit); - -MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>, Pavel Machek <pavel@ucw.cz>"); -MODULE_DESCRIPTION("Collie LCD driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/lp855x_bl.c b/ANDROID_3.4.5/drivers/video/backlight/lp855x_bl.c deleted file mode 100644 index 72a0e0c9..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/lp855x_bl.c +++ /dev/null @@ -1,331 +0,0 @@ -/* - * TI LP855x Backlight Driver - * - * Copyright (C) 2011 Texas Instruments - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/i2c.h> -#include <linux/backlight.h> -#include <linux/err.h> -#include <linux/lp855x.h> - -/* Registers */ -#define BRIGHTNESS_CTRL (0x00) -#define DEVICE_CTRL (0x01) - -#define BUF_SIZE 20 -#define DEFAULT_BL_NAME "lcd-backlight" -#define MAX_BRIGHTNESS 255 - -struct lp855x { - const char *chipname; - enum lp855x_chip_id chip_id; - struct i2c_client *client; - struct backlight_device *bl; - struct device *dev; - struct mutex xfer_lock; - struct lp855x_platform_data *pdata; -}; - -static int lp855x_read_byte(struct lp855x *lp, u8 reg, u8 *data) -{ - int ret; - - mutex_lock(&lp->xfer_lock); - ret = i2c_smbus_read_byte_data(lp->client, reg); - if (ret < 0) { - mutex_unlock(&lp->xfer_lock); - dev_err(lp->dev, "failed to read 0x%.2x\n", reg); - return ret; - } - mutex_unlock(&lp->xfer_lock); - - *data = (u8)ret; - return 0; -} - -static int lp855x_write_byte(struct lp855x *lp, u8 reg, u8 data) -{ - int ret; - - mutex_lock(&lp->xfer_lock); - ret = i2c_smbus_write_byte_data(lp->client, reg, data); - mutex_unlock(&lp->xfer_lock); - - return ret; -} - -static bool lp855x_is_valid_rom_area(struct lp855x *lp, u8 addr) -{ - u8 start, end; - - switch (lp->chip_id) { - case LP8550: - case LP8551: - case LP8552: - case LP8553: - start = EEPROM_START; - end = EEPROM_END; - break; - case LP8556: - start = EPROM_START; - end = EPROM_END; - break; - default: - return false; - } - - return (addr >= start && addr <= end); -} - -static int lp855x_init_registers(struct lp855x *lp) -{ - u8 val, addr; - int i, ret; - struct lp855x_platform_data *pd = lp->pdata; - - val = pd->initial_brightness; - ret = lp855x_write_byte(lp, BRIGHTNESS_CTRL, val); - if (ret) - return ret; - - val = pd->device_control; - ret = lp855x_write_byte(lp, DEVICE_CTRL, val); - if (ret) - return ret; - - if (pd->load_new_rom_data && pd->size_program) { - for (i = 0; i < pd->size_program; i++) { - addr = pd->rom_data[i].addr; - val = pd->rom_data[i].val; - if (!lp855x_is_valid_rom_area(lp, addr)) - continue; - - ret = lp855x_write_byte(lp, addr, val); - if (ret) - return ret; - } - } - - return ret; -} - -static int lp855x_bl_update_status(struct backlight_device *bl) -{ - struct lp855x *lp = bl_get_data(bl); - enum lp855x_brightness_ctrl_mode mode = lp->pdata->mode; - - if (bl->props.state & BL_CORE_SUSPENDED) - bl->props.brightness = 0; - - if (mode == PWM_BASED) { - struct lp855x_pwm_data *pd = &lp->pdata->pwm_data; - int br = bl->props.brightness; - int max_br = bl->props.max_brightness; - - if (pd->pwm_set_intensity) - pd->pwm_set_intensity(br, max_br); - - } else if (mode == REGISTER_BASED) { - u8 val = bl->props.brightness; - lp855x_write_byte(lp, BRIGHTNESS_CTRL, val); - } - - return 0; -} - -static int lp855x_bl_get_brightness(struct backlight_device *bl) -{ - struct lp855x *lp = bl_get_data(bl); - enum lp855x_brightness_ctrl_mode mode = lp->pdata->mode; - - if (mode == PWM_BASED) { - struct lp855x_pwm_data *pd = &lp->pdata->pwm_data; - int max_br = bl->props.max_brightness; - - if (pd->pwm_get_intensity) - bl->props.brightness = pd->pwm_get_intensity(max_br); - - } else if (mode == REGISTER_BASED) { - u8 val = 0; - - lp855x_read_byte(lp, BRIGHTNESS_CTRL, &val); - bl->props.brightness = val; - } - - return bl->props.brightness; -} - -static const struct backlight_ops lp855x_bl_ops = { - .options = BL_CORE_SUSPENDRESUME, - .update_status = lp855x_bl_update_status, - .get_brightness = lp855x_bl_get_brightness, -}; - -static int lp855x_backlight_register(struct lp855x *lp) -{ - struct backlight_device *bl; - struct backlight_properties props; - struct lp855x_platform_data *pdata = lp->pdata; - char *name = pdata->name ? : DEFAULT_BL_NAME; - - props.type = BACKLIGHT_PLATFORM; - props.max_brightness = MAX_BRIGHTNESS; - - if (pdata->initial_brightness > props.max_brightness) - pdata->initial_brightness = props.max_brightness; - - props.brightness = pdata->initial_brightness; - - bl = backlight_device_register(name, lp->dev, lp, - &lp855x_bl_ops, &props); - if (IS_ERR(bl)) - return PTR_ERR(bl); - - lp->bl = bl; - - return 0; -} - -static void lp855x_backlight_unregister(struct lp855x *lp) -{ - if (lp->bl) - backlight_device_unregister(lp->bl); -} - -static ssize_t lp855x_get_chip_id(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct lp855x *lp = dev_get_drvdata(dev); - return scnprintf(buf, BUF_SIZE, "%s\n", lp->chipname); -} - -static ssize_t lp855x_get_bl_ctl_mode(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct lp855x *lp = dev_get_drvdata(dev); - enum lp855x_brightness_ctrl_mode mode = lp->pdata->mode; - char *strmode = NULL; - - if (mode == PWM_BASED) - strmode = "pwm based"; - else if (mode == REGISTER_BASED) - strmode = "register based"; - - return scnprintf(buf, BUF_SIZE, "%s\n", strmode); -} - -static DEVICE_ATTR(chip_id, S_IRUGO, lp855x_get_chip_id, NULL); -static DEVICE_ATTR(bl_ctl_mode, S_IRUGO, lp855x_get_bl_ctl_mode, NULL); - -static struct attribute *lp855x_attributes[] = { - &dev_attr_chip_id.attr, - &dev_attr_bl_ctl_mode.attr, - NULL, -}; - -static const struct attribute_group lp855x_attr_group = { - .attrs = lp855x_attributes, -}; - -static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id) -{ - struct lp855x *lp; - struct lp855x_platform_data *pdata = cl->dev.platform_data; - enum lp855x_brightness_ctrl_mode mode; - int ret; - - if (!pdata) { - dev_err(&cl->dev, "no platform data supplied\n"); - return -EINVAL; - } - - if (!i2c_check_functionality(cl->adapter, I2C_FUNC_SMBUS_I2C_BLOCK)) - return -EIO; - - lp = devm_kzalloc(&cl->dev, sizeof(struct lp855x), GFP_KERNEL); - if (!lp) - return -ENOMEM; - - mode = pdata->mode; - lp->client = cl; - lp->dev = &cl->dev; - lp->pdata = pdata; - lp->chipname = id->name; - lp->chip_id = id->driver_data; - i2c_set_clientdata(cl, lp); - - mutex_init(&lp->xfer_lock); - - ret = lp855x_init_registers(lp); - if (ret) { - dev_err(lp->dev, "i2c communication err: %d", ret); - if (mode == REGISTER_BASED) - goto err_dev; - } - - ret = lp855x_backlight_register(lp); - if (ret) { - dev_err(lp->dev, - "failed to register backlight. err: %d\n", ret); - goto err_dev; - } - - ret = sysfs_create_group(&lp->dev->kobj, &lp855x_attr_group); - if (ret) { - dev_err(lp->dev, "failed to register sysfs. err: %d\n", ret); - goto err_sysfs; - } - - backlight_update_status(lp->bl); - return 0; - -err_sysfs: - lp855x_backlight_unregister(lp); -err_dev: - return ret; -} - -static int __devexit lp855x_remove(struct i2c_client *cl) -{ - struct lp855x *lp = i2c_get_clientdata(cl); - - lp->bl->props.brightness = 0; - backlight_update_status(lp->bl); - sysfs_remove_group(&lp->dev->kobj, &lp855x_attr_group); - lp855x_backlight_unregister(lp); - - return 0; -} - -static const struct i2c_device_id lp855x_ids[] = { - {"lp8550", LP8550}, - {"lp8551", LP8551}, - {"lp8552", LP8552}, - {"lp8553", LP8553}, - {"lp8556", LP8556}, - { } -}; -MODULE_DEVICE_TABLE(i2c, lp855x_ids); - -static struct i2c_driver lp855x_driver = { - .driver = { - .name = "lp855x", - }, - .probe = lp855x_probe, - .remove = __devexit_p(lp855x_remove), - .id_table = lp855x_ids, -}; - -module_i2c_driver(lp855x_driver); - -MODULE_DESCRIPTION("Texas Instruments LP855x Backlight driver"); -MODULE_AUTHOR("Milo Kim <milo.kim@ti.com>"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/ltv350qv.c b/ANDROID_3.4.5/drivers/video/backlight/ltv350qv.c deleted file mode 100644 index 333949ff..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/ltv350qv.c +++ /dev/null @@ -1,329 +0,0 @@ -/* - * Power control for Samsung LTV350QV Quarter VGA LCD Panel - * - * Copyright (C) 2006, 2007 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/delay.h> -#include <linux/err.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/lcd.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/spi/spi.h> - -#include "ltv350qv.h" - -#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL) - -struct ltv350qv { - struct spi_device *spi; - u8 *buffer; - int power; - struct lcd_device *ld; -}; - -/* - * The power-on and power-off sequences are taken from the - * LTV350QV-F04 data sheet from Samsung. The register definitions are - * taken from the S6F2002 command list also from Samsung. Both - * documents are distributed with the AVR32 Linux BSP CD from Atmel. - * - * There's still some voodoo going on here, but it's a lot better than - * in the first incarnation of the driver where all we had was the raw - * numbers from the initialization sequence. - */ -static int ltv350qv_write_reg(struct ltv350qv *lcd, u8 reg, u16 val) -{ - struct spi_message msg; - struct spi_transfer index_xfer = { - .len = 3, - .cs_change = 1, - }; - struct spi_transfer value_xfer = { - .len = 3, - }; - - spi_message_init(&msg); - - /* register index */ - lcd->buffer[0] = LTV_OPC_INDEX; - lcd->buffer[1] = 0x00; - lcd->buffer[2] = reg & 0x7f; - index_xfer.tx_buf = lcd->buffer; - spi_message_add_tail(&index_xfer, &msg); - - /* register value */ - lcd->buffer[4] = LTV_OPC_DATA; - lcd->buffer[5] = val >> 8; - lcd->buffer[6] = val; - value_xfer.tx_buf = lcd->buffer + 4; - spi_message_add_tail(&value_xfer, &msg); - - return spi_sync(lcd->spi, &msg); -} - -/* The comments are taken straight from the data sheet */ -static int ltv350qv_power_on(struct ltv350qv *lcd) -{ - int ret; - - /* Power On Reset Display off State */ - if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, 0x0000)) - goto err; - msleep(15); - - /* Power Setting Function 1 */ - if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE)) - goto err; - if (ltv350qv_write_reg(lcd, LTV_PWRCTL2, LTV_VCOML_ENABLE)) - goto err_power1; - - /* Power Setting Function 2 */ - if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, - LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5) - | LTV_SUPPLY_CURRENT(5))) - goto err_power2; - - msleep(55); - - /* Instruction Setting */ - ret = ltv350qv_write_reg(lcd, LTV_IFCTL, - LTV_NMD | LTV_REV | LTV_NL(0x1d)); - ret |= ltv350qv_write_reg(lcd, LTV_DATACTL, - LTV_DS_SAME | LTV_CHS_480 - | LTV_DF_RGB | LTV_RGB_BGR); - ret |= ltv350qv_write_reg(lcd, LTV_ENTRY_MODE, - LTV_VSPL_ACTIVE_LOW - | LTV_HSPL_ACTIVE_LOW - | LTV_DPL_SAMPLE_RISING - | LTV_EPL_ACTIVE_LOW - | LTV_SS_RIGHT_TO_LEFT); - ret |= ltv350qv_write_reg(lcd, LTV_GATECTL1, LTV_CLW(3)); - ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2, - LTV_NW_INV_1LINE | LTV_FWI(3)); - ret |= ltv350qv_write_reg(lcd, LTV_VBP, 0x000a); - ret |= ltv350qv_write_reg(lcd, LTV_HBP, 0x0021); - ret |= ltv350qv_write_reg(lcd, LTV_SOTCTL, LTV_SDT(3) | LTV_EQ(0)); - ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(0), 0x0103); - ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(1), 0x0301); - ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(2), 0x1f0f); - ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(3), 0x1f0f); - ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(4), 0x0707); - ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(5), 0x0307); - ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(6), 0x0707); - ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(7), 0x0000); - ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(8), 0x0004); - ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(9), 0x0000); - if (ret) - goto err_settings; - - /* Wait more than 2 frames */ - msleep(20); - - /* Display On Sequence */ - ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1, - LTV_VCOM_DISABLE | LTV_VCOMOUT_ENABLE - | LTV_POWER_ON | LTV_DRIVE_CURRENT(5) - | LTV_SUPPLY_CURRENT(5)); - ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2, - LTV_NW_INV_1LINE | LTV_DSC | LTV_FWI(3)); - if (ret) - goto err_disp_on; - - /* Display should now be ON. Phew. */ - return 0; - -err_disp_on: - /* - * Try to recover. Error handling probably isn't very useful - * at this point, just make a best effort to switch the panel - * off. - */ - ltv350qv_write_reg(lcd, LTV_PWRCTL1, - LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5) - | LTV_SUPPLY_CURRENT(5)); - ltv350qv_write_reg(lcd, LTV_GATECTL2, - LTV_NW_INV_1LINE | LTV_FWI(3)); -err_settings: -err_power2: -err_power1: - ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000); - msleep(1); -err: - ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE); - return -EIO; -} - -static int ltv350qv_power_off(struct ltv350qv *lcd) -{ - int ret; - - /* Display Off Sequence */ - ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1, - LTV_VCOM_DISABLE - | LTV_DRIVE_CURRENT(5) - | LTV_SUPPLY_CURRENT(5)); - ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2, - LTV_NW_INV_1LINE | LTV_FWI(3)); - - /* Power down setting 1 */ - ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000); - - /* Wait at least 1 ms */ - msleep(1); - - /* Power down setting 2 */ - ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE); - - /* - * No point in trying to recover here. If we can't switch the - * panel off, what are we supposed to do other than inform the - * user about the failure? - */ - if (ret) - return -EIO; - - /* Display power should now be OFF */ - return 0; -} - -static int ltv350qv_power(struct ltv350qv *lcd, int power) -{ - int ret = 0; - - if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power)) - ret = ltv350qv_power_on(lcd); - else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power)) - ret = ltv350qv_power_off(lcd); - - if (!ret) - lcd->power = power; - - return ret; -} - -static int ltv350qv_set_power(struct lcd_device *ld, int power) -{ - struct ltv350qv *lcd = lcd_get_data(ld); - - return ltv350qv_power(lcd, power); -} - -static int ltv350qv_get_power(struct lcd_device *ld) -{ - struct ltv350qv *lcd = lcd_get_data(ld); - - return lcd->power; -} - -static struct lcd_ops ltv_ops = { - .get_power = ltv350qv_get_power, - .set_power = ltv350qv_set_power, -}; - -static int __devinit ltv350qv_probe(struct spi_device *spi) -{ - struct ltv350qv *lcd; - struct lcd_device *ld; - int ret; - - lcd = kzalloc(sizeof(struct ltv350qv), GFP_KERNEL); - if (!lcd) - return -ENOMEM; - - lcd->spi = spi; - lcd->power = FB_BLANK_POWERDOWN; - lcd->buffer = kzalloc(8, GFP_KERNEL); - if (!lcd->buffer) { - ret = -ENOMEM; - goto out_free_lcd; - } - - ld = lcd_device_register("ltv350qv", &spi->dev, lcd, <v_ops); - if (IS_ERR(ld)) { - ret = PTR_ERR(ld); - goto out_free_buffer; - } - lcd->ld = ld; - - ret = ltv350qv_power(lcd, FB_BLANK_UNBLANK); - if (ret) - goto out_unregister; - - dev_set_drvdata(&spi->dev, lcd); - - return 0; - -out_unregister: - lcd_device_unregister(ld); -out_free_buffer: - kfree(lcd->buffer); -out_free_lcd: - kfree(lcd); - return ret; -} - -static int __devexit ltv350qv_remove(struct spi_device *spi) -{ - struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); - - ltv350qv_power(lcd, FB_BLANK_POWERDOWN); - lcd_device_unregister(lcd->ld); - kfree(lcd->buffer); - kfree(lcd); - - return 0; -} - -#ifdef CONFIG_PM -static int ltv350qv_suspend(struct spi_device *spi, pm_message_t state) -{ - struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); - - return ltv350qv_power(lcd, FB_BLANK_POWERDOWN); -} - -static int ltv350qv_resume(struct spi_device *spi) -{ - struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); - - return ltv350qv_power(lcd, FB_BLANK_UNBLANK); -} -#else -#define ltv350qv_suspend NULL -#define ltv350qv_resume NULL -#endif - -/* Power down all displays on reboot, poweroff or halt */ -static void ltv350qv_shutdown(struct spi_device *spi) -{ - struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); - - ltv350qv_power(lcd, FB_BLANK_POWERDOWN); -} - -static struct spi_driver ltv350qv_driver = { - .driver = { - .name = "ltv350qv", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - }, - - .probe = ltv350qv_probe, - .remove = __devexit_p(ltv350qv_remove), - .shutdown = ltv350qv_shutdown, - .suspend = ltv350qv_suspend, - .resume = ltv350qv_resume, -}; - -module_spi_driver(ltv350qv_driver); - -MODULE_AUTHOR("Haavard Skinnemoen (Atmel)"); -MODULE_DESCRIPTION("Samsung LTV350QV LCD Driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("spi:ltv350qv"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/ltv350qv.h b/ANDROID_3.4.5/drivers/video/backlight/ltv350qv.h deleted file mode 100644 index 189112e3..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/ltv350qv.h +++ /dev/null @@ -1,95 +0,0 @@ -/* - * Register definitions for Samsung LTV350QV Quarter VGA LCD Panel - * - * Copyright (C) 2006, 2007 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __LTV350QV_H -#define __LTV350QV_H - -#define LTV_OPC_INDEX 0x74 -#define LTV_OPC_DATA 0x76 - -#define LTV_ID 0x00 /* ID Read */ -#define LTV_IFCTL 0x01 /* Display Interface Control */ -#define LTV_DATACTL 0x02 /* Display Data Control */ -#define LTV_ENTRY_MODE 0x03 /* Entry Mode */ -#define LTV_GATECTL1 0x04 /* Gate Control 1 */ -#define LTV_GATECTL2 0x05 /* Gate Control 2 */ -#define LTV_VBP 0x06 /* Vertical Back Porch */ -#define LTV_HBP 0x07 /* Horizontal Back Porch */ -#define LTV_SOTCTL 0x08 /* Source Output Timing Control */ -#define LTV_PWRCTL1 0x09 /* Power Control 1 */ -#define LTV_PWRCTL2 0x0a /* Power Control 2 */ -#define LTV_GAMMA(x) (0x10 + (x)) /* Gamma control */ - -/* Bit definitions for LTV_IFCTL */ -#define LTV_IM (1 << 15) -#define LTV_NMD (1 << 14) -#define LTV_SSMD (1 << 13) -#define LTV_REV (1 << 7) -#define LTV_NL(x) (((x) & 0x001f) << 0) - -/* Bit definitions for LTV_DATACTL */ -#define LTV_DS_SAME (0 << 12) -#define LTV_DS_D_TO_S (1 << 12) -#define LTV_DS_S_TO_D (2 << 12) -#define LTV_CHS_384 (0 << 9) -#define LTV_CHS_480 (1 << 9) -#define LTV_CHS_492 (2 << 9) -#define LTV_DF_RGB (0 << 6) -#define LTV_DF_RGBX (1 << 6) -#define LTV_DF_XRGB (2 << 6) -#define LTV_RGB_RGB (0 << 2) -#define LTV_RGB_BGR (1 << 2) -#define LTV_RGB_GRB (2 << 2) -#define LTV_RGB_RBG (3 << 2) - -/* Bit definitions for LTV_ENTRY_MODE */ -#define LTV_VSPL_ACTIVE_LOW (0 << 15) -#define LTV_VSPL_ACTIVE_HIGH (1 << 15) -#define LTV_HSPL_ACTIVE_LOW (0 << 14) -#define LTV_HSPL_ACTIVE_HIGH (1 << 14) -#define LTV_DPL_SAMPLE_RISING (0 << 13) -#define LTV_DPL_SAMPLE_FALLING (1 << 13) -#define LTV_EPL_ACTIVE_LOW (0 << 12) -#define LTV_EPL_ACTIVE_HIGH (1 << 12) -#define LTV_SS_LEFT_TO_RIGHT (0 << 8) -#define LTV_SS_RIGHT_TO_LEFT (1 << 8) -#define LTV_STB (1 << 1) - -/* Bit definitions for LTV_GATECTL1 */ -#define LTV_CLW(x) (((x) & 0x0007) << 12) -#define LTV_GAON (1 << 5) -#define LTV_SDR (1 << 3) - -/* Bit definitions for LTV_GATECTL2 */ -#define LTV_NW_INV_FRAME (0 << 14) -#define LTV_NW_INV_1LINE (1 << 14) -#define LTV_NW_INV_2LINE (2 << 14) -#define LTV_DSC (1 << 12) -#define LTV_GIF (1 << 8) -#define LTV_FHN (1 << 7) -#define LTV_FTI(x) (((x) & 0x0003) << 4) -#define LTV_FWI(x) (((x) & 0x0003) << 0) - -/* Bit definitions for LTV_SOTCTL */ -#define LTV_SDT(x) (((x) & 0x0007) << 10) -#define LTV_EQ(x) (((x) & 0x0007) << 2) - -/* Bit definitions for LTV_PWRCTL1 */ -#define LTV_VCOM_DISABLE (1 << 14) -#define LTV_VCOMOUT_ENABLE (1 << 11) -#define LTV_POWER_ON (1 << 9) -#define LTV_DRIVE_CURRENT(x) (((x) & 0x0007) << 4) /* 0=off, 5=max */ -#define LTV_SUPPLY_CURRENT(x) (((x) & 0x0007) << 0) /* 0=off, 5=max */ - -/* Bit definitions for LTV_PWRCTL2 */ -#define LTV_VCOML_ENABLE (1 << 13) -#define LTV_VCOML_VOLTAGE(x) (((x) & 0x001f) << 8) /* 0=1V, 31=-1V */ -#define LTV_VCOMH_VOLTAGE(x) (((x) & 0x001f) << 0) /* 0=3V, 31=4.5V */ - -#endif /* __LTV350QV_H */ diff --git a/ANDROID_3.4.5/drivers/video/backlight/max8925_bl.c b/ANDROID_3.4.5/drivers/video/backlight/max8925_bl.c deleted file mode 100644 index e833ac72..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/max8925_bl.c +++ /dev/null @@ -1,193 +0,0 @@ -/* - * Backlight driver for Maxim MAX8925 - * - * Copyright (C) 2009 Marvell International Ltd. - * Haojian Zhuang <haojian.zhuang@marvell.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/fb.h> -#include <linux/i2c.h> -#include <linux/backlight.h> -#include <linux/mfd/max8925.h> -#include <linux/slab.h> -#include <linux/module.h> - -#define MAX_BRIGHTNESS (0xff) -#define MIN_BRIGHTNESS (0) - -#define LWX_FREQ(x) (((x - 601) / 100) & 0x7) - -struct max8925_backlight_data { - struct max8925_chip *chip; - - int current_brightness; -}; - -static int max8925_backlight_set(struct backlight_device *bl, int brightness) -{ - struct max8925_backlight_data *data = bl_get_data(bl); - struct max8925_chip *chip = data->chip; - unsigned char value; - int ret; - - if (brightness > MAX_BRIGHTNESS) - value = MAX_BRIGHTNESS; - else - value = brightness; - - ret = max8925_reg_write(chip->i2c, MAX8925_WLED_CNTL, value); - if (ret < 0) - goto out; - - if (!data->current_brightness && brightness) - /* enable WLED output */ - ret = max8925_set_bits(chip->i2c, MAX8925_WLED_MODE_CNTL, 1, 1); - else if (!brightness) - /* disable WLED output */ - ret = max8925_set_bits(chip->i2c, MAX8925_WLED_MODE_CNTL, 1, 0); - if (ret < 0) - goto out; - dev_dbg(chip->dev, "set brightness %d\n", value); - data->current_brightness = value; - return 0; -out: - dev_dbg(chip->dev, "set brightness %d failure with return value:%d\n", - value, ret); - return ret; -} - -static int max8925_backlight_update_status(struct backlight_device *bl) -{ - int brightness = bl->props.brightness; - - if (bl->props.power != FB_BLANK_UNBLANK) - brightness = 0; - - if (bl->props.fb_blank != FB_BLANK_UNBLANK) - brightness = 0; - - if (bl->props.state & BL_CORE_SUSPENDED) - brightness = 0; - - return max8925_backlight_set(bl, brightness); -} - -static int max8925_backlight_get_brightness(struct backlight_device *bl) -{ - struct max8925_backlight_data *data = bl_get_data(bl); - struct max8925_chip *chip = data->chip; - int ret; - - ret = max8925_reg_read(chip->i2c, MAX8925_WLED_CNTL); - if (ret < 0) - return -EINVAL; - data->current_brightness = ret; - dev_dbg(chip->dev, "get brightness %d\n", data->current_brightness); - return ret; -} - -static const struct backlight_ops max8925_backlight_ops = { - .options = BL_CORE_SUSPENDRESUME, - .update_status = max8925_backlight_update_status, - .get_brightness = max8925_backlight_get_brightness, -}; - -static int __devinit max8925_backlight_probe(struct platform_device *pdev) -{ - struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent); - struct max8925_platform_data *max8925_pdata; - struct max8925_backlight_pdata *pdata = NULL; - struct max8925_backlight_data *data; - struct backlight_device *bl; - struct backlight_properties props; - struct resource *res; - char name[MAX8925_NAME_SIZE]; - unsigned char value; - int ret; - - res = platform_get_resource(pdev, IORESOURCE_IO, 0); - if (res == NULL) { - dev_err(&pdev->dev, "No I/O resource!\n"); - return -EINVAL; - } - - if (pdev->dev.parent->platform_data) { - max8925_pdata = pdev->dev.parent->platform_data; - pdata = max8925_pdata->backlight; - } - - if (!pdata) { - dev_err(&pdev->dev, "platform data isn't assigned to " - "backlight\n"); - return -EINVAL; - } - - data = devm_kzalloc(&pdev->dev, sizeof(struct max8925_backlight_data), - GFP_KERNEL); - if (data == NULL) - return -ENOMEM; - strncpy(name, res->name, MAX8925_NAME_SIZE); - data->chip = chip; - data->current_brightness = 0; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = MAX_BRIGHTNESS; - bl = backlight_device_register(name, &pdev->dev, data, - &max8925_backlight_ops, &props); - if (IS_ERR(bl)) { - dev_err(&pdev->dev, "failed to register backlight\n"); - return PTR_ERR(bl); - } - bl->props.brightness = MAX_BRIGHTNESS; - - platform_set_drvdata(pdev, bl); - - value = 0; - if (pdata->lxw_scl) - value |= (1 << 7); - if (pdata->lxw_freq) - value |= (LWX_FREQ(pdata->lxw_freq) << 4); - if (pdata->dual_string) - value |= (1 << 1); - ret = max8925_set_bits(chip->i2c, MAX8925_WLED_MODE_CNTL, 0xfe, value); - if (ret < 0) - goto out; - - backlight_update_status(bl); - return 0; -out: - backlight_device_unregister(bl); - return ret; -} - -static int __devexit max8925_backlight_remove(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - - backlight_device_unregister(bl); - return 0; -} - -static struct platform_driver max8925_backlight_driver = { - .driver = { - .name = "max8925-backlight", - .owner = THIS_MODULE, - }, - .probe = max8925_backlight_probe, - .remove = __devexit_p(max8925_backlight_remove), -}; - -module_platform_driver(max8925_backlight_driver); - -MODULE_DESCRIPTION("Backlight Driver for Maxim MAX8925"); -MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:max8925-backlight"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/omap1_bl.c b/ANDROID_3.4.5/drivers/video/backlight/omap1_bl.c deleted file mode 100644 index 0175bfb0..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/omap1_bl.c +++ /dev/null @@ -1,199 +0,0 @@ -/* - * Backlight driver for OMAP based boards. - * - * Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org> - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This package is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this package; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/slab.h> - -#include <mach/hardware.h> -#include <plat/board.h> -#include <plat/mux.h> - -#define OMAPBL_MAX_INTENSITY 0xff - -struct omap_backlight { - int powermode; - int current_intensity; - - struct device *dev; - struct omap_backlight_config *pdata; -}; - -static void inline omapbl_send_intensity(int intensity) -{ - omap_writeb(intensity, OMAP_PWL_ENABLE); -} - -static void inline omapbl_send_enable(int enable) -{ - omap_writeb(enable, OMAP_PWL_CLK_ENABLE); -} - -static void omapbl_blank(struct omap_backlight *bl, int mode) -{ - if (bl->pdata->set_power) - bl->pdata->set_power(bl->dev, mode); - - switch (mode) { - case FB_BLANK_NORMAL: - case FB_BLANK_VSYNC_SUSPEND: - case FB_BLANK_HSYNC_SUSPEND: - case FB_BLANK_POWERDOWN: - omapbl_send_intensity(0); - omapbl_send_enable(0); - break; - - case FB_BLANK_UNBLANK: - omapbl_send_intensity(bl->current_intensity); - omapbl_send_enable(1); - break; - } -} - -#ifdef CONFIG_PM -static int omapbl_suspend(struct platform_device *pdev, pm_message_t state) -{ - struct backlight_device *dev = platform_get_drvdata(pdev); - struct omap_backlight *bl = dev_get_drvdata(&dev->dev); - - omapbl_blank(bl, FB_BLANK_POWERDOWN); - return 0; -} - -static int omapbl_resume(struct platform_device *pdev) -{ - struct backlight_device *dev = platform_get_drvdata(pdev); - struct omap_backlight *bl = dev_get_drvdata(&dev->dev); - - omapbl_blank(bl, bl->powermode); - return 0; -} -#else -#define omapbl_suspend NULL -#define omapbl_resume NULL -#endif - -static int omapbl_set_power(struct backlight_device *dev, int state) -{ - struct omap_backlight *bl = dev_get_drvdata(&dev->dev); - - omapbl_blank(bl, state); - bl->powermode = state; - - return 0; -} - -static int omapbl_update_status(struct backlight_device *dev) -{ - struct omap_backlight *bl = dev_get_drvdata(&dev->dev); - - if (bl->current_intensity != dev->props.brightness) { - if (bl->powermode == FB_BLANK_UNBLANK) - omapbl_send_intensity(dev->props.brightness); - bl->current_intensity = dev->props.brightness; - } - - if (dev->props.fb_blank != bl->powermode) - omapbl_set_power(dev, dev->props.fb_blank); - - return 0; -} - -static int omapbl_get_intensity(struct backlight_device *dev) -{ - struct omap_backlight *bl = dev_get_drvdata(&dev->dev); - return bl->current_intensity; -} - -static const struct backlight_ops omapbl_ops = { - .get_brightness = omapbl_get_intensity, - .update_status = omapbl_update_status, -}; - -static int omapbl_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - struct backlight_device *dev; - struct omap_backlight *bl; - struct omap_backlight_config *pdata = pdev->dev.platform_data; - - if (!pdata) - return -ENXIO; - - bl = devm_kzalloc(&pdev->dev, sizeof(struct omap_backlight), - GFP_KERNEL); - if (unlikely(!bl)) - return -ENOMEM; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = OMAPBL_MAX_INTENSITY; - dev = backlight_device_register("omap-bl", &pdev->dev, bl, &omapbl_ops, - &props); - if (IS_ERR(dev)) - return PTR_ERR(dev); - - bl->powermode = FB_BLANK_POWERDOWN; - bl->current_intensity = 0; - - bl->pdata = pdata; - bl->dev = &pdev->dev; - - platform_set_drvdata(pdev, dev); - - omap_cfg_reg(PWL); /* Conflicts with UART3 */ - - dev->props.fb_blank = FB_BLANK_UNBLANK; - dev->props.brightness = pdata->default_intensity; - omapbl_update_status(dev); - - printk(KERN_INFO "OMAP LCD backlight initialised\n"); - - return 0; -} - -static int omapbl_remove(struct platform_device *pdev) -{ - struct backlight_device *dev = platform_get_drvdata(pdev); - - backlight_device_unregister(dev); - - return 0; -} - -static struct platform_driver omapbl_driver = { - .probe = omapbl_probe, - .remove = omapbl_remove, - .suspend = omapbl_suspend, - .resume = omapbl_resume, - .driver = { - .name = "omap-bl", - }, -}; - -module_platform_driver(omapbl_driver); - -MODULE_AUTHOR("Andrzej Zaborowski <balrog@zabor.org>"); -MODULE_DESCRIPTION("OMAP LCD Backlight driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/ot200_bl.c b/ANDROID_3.4.5/drivers/video/backlight/ot200_bl.c deleted file mode 100644 index f519d55a..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/ot200_bl.c +++ /dev/null @@ -1,175 +0,0 @@ -/* - * Copyright (C) 2012 Bachmann electronic GmbH - * Christian Gmeiner <christian.gmeiner@gmail.com> - * - * Backlight driver for ot200 visualisation device from - * Bachmann electronic GmbH. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/gpio.h> -#include <linux/cs5535.h> - -static struct cs5535_mfgpt_timer *pwm_timer; - -/* this array defines the mapping of brightness in % to pwm frequency */ -static const u8 dim_table[101] = {0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, - 4, 5, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 9, 9, - 10, 10, 11, 11, 12, 12, 13, 14, 15, 15, 16, - 17, 18, 19, 20, 21, 22, 23, 24, 26, 27, 28, - 30, 31, 33, 35, 37, 39, 41, 43, 45, 47, 50, - 53, 55, 58, 61, 65, 68, 72, 75, 79, 84, 88, - 93, 97, 103, 108, 114, 120, 126, 133, 140, - 147, 155, 163}; - -struct ot200_backlight_data { - int current_brightness; -}; - -#define GPIO_DIMM 27 -#define SCALE 1 -#define CMP1MODE 0x2 /* compare on GE; output high on compare - * greater than or equal */ -#define PWM_SETUP (SCALE | CMP1MODE << 6 | MFGPT_SETUP_CNTEN) -#define MAX_COMP2 163 - -static int ot200_backlight_update_status(struct backlight_device *bl) -{ - struct ot200_backlight_data *data = bl_get_data(bl); - int brightness = bl->props.brightness; - - if (bl->props.state & BL_CORE_FBBLANK) - brightness = 0; - - /* enable or disable PWM timer */ - if (brightness == 0) - cs5535_mfgpt_write(pwm_timer, MFGPT_REG_SETUP, 0); - else if (data->current_brightness == 0) { - cs5535_mfgpt_write(pwm_timer, MFGPT_REG_COUNTER, 0); - cs5535_mfgpt_write(pwm_timer, MFGPT_REG_SETUP, - MFGPT_SETUP_CNTEN); - } - - /* apply new brightness value */ - cs5535_mfgpt_write(pwm_timer, MFGPT_REG_CMP1, - MAX_COMP2 - dim_table[brightness]); - data->current_brightness = brightness; - - return 0; -} - -static int ot200_backlight_get_brightness(struct backlight_device *bl) -{ - struct ot200_backlight_data *data = bl_get_data(bl); - return data->current_brightness; -} - -static const struct backlight_ops ot200_backlight_ops = { - .update_status = ot200_backlight_update_status, - .get_brightness = ot200_backlight_get_brightness, -}; - -static int ot200_backlight_probe(struct platform_device *pdev) -{ - struct backlight_device *bl; - struct ot200_backlight_data *data; - struct backlight_properties props; - int retval = 0; - - /* request gpio */ - if (gpio_request(GPIO_DIMM, "ot200 backlight dimmer") < 0) { - dev_err(&pdev->dev, "failed to request GPIO %d\n", GPIO_DIMM); - return -ENODEV; - } - - /* request timer */ - pwm_timer = cs5535_mfgpt_alloc_timer(7, MFGPT_DOMAIN_ANY); - if (!pwm_timer) { - dev_err(&pdev->dev, "MFGPT 7 not available\n"); - retval = -ENODEV; - goto error_mfgpt_alloc; - } - - data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) { - retval = -ENOMEM; - goto error_kzalloc; - } - - /* setup gpio */ - cs5535_gpio_set(GPIO_DIMM, GPIO_OUTPUT_ENABLE); - cs5535_gpio_set(GPIO_DIMM, GPIO_OUTPUT_AUX1); - - /* setup timer */ - cs5535_mfgpt_write(pwm_timer, MFGPT_REG_CMP1, 0); - cs5535_mfgpt_write(pwm_timer, MFGPT_REG_CMP2, MAX_COMP2); - cs5535_mfgpt_write(pwm_timer, MFGPT_REG_SETUP, PWM_SETUP); - - data->current_brightness = 100; - props.max_brightness = 100; - props.brightness = 100; - props.type = BACKLIGHT_RAW; - - bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, data, - &ot200_backlight_ops, &props); - if (IS_ERR(bl)) { - dev_err(&pdev->dev, "failed to register backlight\n"); - retval = PTR_ERR(bl); - goto error_backlight_device_register; - } - - platform_set_drvdata(pdev, bl); - - return 0; - -error_backlight_device_register: - kfree(data); -error_kzalloc: - cs5535_mfgpt_free_timer(pwm_timer); -error_mfgpt_alloc: - gpio_free(GPIO_DIMM); - return retval; -} - -static int ot200_backlight_remove(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - struct ot200_backlight_data *data = bl_get_data(bl); - - backlight_device_unregister(bl); - - /* on module unload set brightness to 100% */ - cs5535_mfgpt_write(pwm_timer, MFGPT_REG_COUNTER, 0); - cs5535_mfgpt_write(pwm_timer, MFGPT_REG_SETUP, MFGPT_SETUP_CNTEN); - cs5535_mfgpt_write(pwm_timer, MFGPT_REG_CMP1, - MAX_COMP2 - dim_table[100]); - - cs5535_mfgpt_free_timer(pwm_timer); - gpio_free(GPIO_DIMM); - - kfree(data); - return 0; -} - -static struct platform_driver ot200_backlight_driver = { - .driver = { - .name = "ot200-backlight", - .owner = THIS_MODULE, - }, - .probe = ot200_backlight_probe, - .remove = ot200_backlight_remove, -}; - -module_platform_driver(ot200_backlight_driver); - -MODULE_DESCRIPTION("backlight driver for ot200 visualisation device"); -MODULE_AUTHOR("Christian Gmeiner <christian.gmeiner@gmail.com>"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:ot200-backlight"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/pandora_bl.c b/ANDROID_3.4.5/drivers/video/backlight/pandora_bl.c deleted file mode 100644 index 4ec30748..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/pandora_bl.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Backlight driver for Pandora handheld. - * Pandora uses TWL4030 PWM0 -> TPS61161 combo for control backlight. - * Based on pwm_bl.c - * - * Copyright 2009,2012 Gražvydas Ignotas <notasas@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/i2c/twl.h> -#include <linux/err.h> - -#define TWL_PWM0_ON 0x00 -#define TWL_PWM0_OFF 0x01 - -#define TWL_INTBR_GPBR1 0x0c -#define TWL_INTBR_PMBR1 0x0d - -#define TWL_PMBR1_PWM0_MUXMASK 0x0c -#define TWL_PMBR1_PWM0 0x04 -#define PWM0_CLK_ENABLE BIT(0) -#define PWM0_ENABLE BIT(2) - -/* range accepted by hardware */ -#define MIN_VALUE 9 -#define MAX_VALUE 63 -#define MAX_USER_VALUE (MAX_VALUE - MIN_VALUE) - -#define PANDORABL_WAS_OFF BL_CORE_DRIVER1 - -static int pandora_backlight_update_status(struct backlight_device *bl) -{ - int brightness = bl->props.brightness; - u8 r; - - if (bl->props.power != FB_BLANK_UNBLANK) - brightness = 0; - if (bl->props.state & BL_CORE_FBBLANK) - brightness = 0; - if (bl->props.state & BL_CORE_SUSPENDED) - brightness = 0; - - if ((unsigned int)brightness > MAX_USER_VALUE) - brightness = MAX_USER_VALUE; - - if (brightness == 0) { - if (bl->props.state & PANDORABL_WAS_OFF) - goto done; - - /* first disable PWM0 output, then clock */ - twl_i2c_read_u8(TWL4030_MODULE_INTBR, &r, TWL_INTBR_GPBR1); - r &= ~PWM0_ENABLE; - twl_i2c_write_u8(TWL4030_MODULE_INTBR, r, TWL_INTBR_GPBR1); - r &= ~PWM0_CLK_ENABLE; - twl_i2c_write_u8(TWL4030_MODULE_INTBR, r, TWL_INTBR_GPBR1); - - goto done; - } - - if (bl->props.state & PANDORABL_WAS_OFF) { - /* - * set PWM duty cycle to max. TPS61161 seems to use this - * to calibrate it's PWM sensitivity when it starts. - */ - twl_i2c_write_u8(TWL4030_MODULE_PWM0, MAX_VALUE, - TWL_PWM0_OFF); - - /* first enable clock, then PWM0 out */ - twl_i2c_read_u8(TWL4030_MODULE_INTBR, &r, TWL_INTBR_GPBR1); - r &= ~PWM0_ENABLE; - r |= PWM0_CLK_ENABLE; - twl_i2c_write_u8(TWL4030_MODULE_INTBR, r, TWL_INTBR_GPBR1); - r |= PWM0_ENABLE; - twl_i2c_write_u8(TWL4030_MODULE_INTBR, r, TWL_INTBR_GPBR1); - - /* - * TI made it very easy to enable digital control, so easy that - * it often triggers unintentionally and disabes PWM control, - * so wait until 1 wire mode detection window ends. - */ - usleep_range(2000, 10000); - } - - twl_i2c_write_u8(TWL4030_MODULE_PWM0, MIN_VALUE + brightness, - TWL_PWM0_OFF); - -done: - if (brightness != 0) - bl->props.state &= ~PANDORABL_WAS_OFF; - else - bl->props.state |= PANDORABL_WAS_OFF; - - return 0; -} - -static int pandora_backlight_get_brightness(struct backlight_device *bl) -{ - return bl->props.brightness; -} - -static const struct backlight_ops pandora_backlight_ops = { - .options = BL_CORE_SUSPENDRESUME, - .update_status = pandora_backlight_update_status, - .get_brightness = pandora_backlight_get_brightness, -}; - -static int pandora_backlight_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - struct backlight_device *bl; - u8 r; - - memset(&props, 0, sizeof(props)); - props.max_brightness = MAX_USER_VALUE; - props.type = BACKLIGHT_RAW; - bl = backlight_device_register(pdev->name, &pdev->dev, - NULL, &pandora_backlight_ops, &props); - if (IS_ERR(bl)) { - dev_err(&pdev->dev, "failed to register backlight\n"); - return PTR_ERR(bl); - } - - platform_set_drvdata(pdev, bl); - - /* 64 cycle period, ON position 0 */ - twl_i2c_write_u8(TWL4030_MODULE_PWM0, 0x80, TWL_PWM0_ON); - - bl->props.state |= PANDORABL_WAS_OFF; - bl->props.brightness = MAX_USER_VALUE; - backlight_update_status(bl); - - /* enable PWM function in pin mux */ - twl_i2c_read_u8(TWL4030_MODULE_INTBR, &r, TWL_INTBR_PMBR1); - r &= ~TWL_PMBR1_PWM0_MUXMASK; - r |= TWL_PMBR1_PWM0; - twl_i2c_write_u8(TWL4030_MODULE_INTBR, r, TWL_INTBR_PMBR1); - - return 0; -} - -static int pandora_backlight_remove(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - backlight_device_unregister(bl); - return 0; -} - -static struct platform_driver pandora_backlight_driver = { - .driver = { - .name = "pandora-backlight", - .owner = THIS_MODULE, - }, - .probe = pandora_backlight_probe, - .remove = pandora_backlight_remove, -}; - -module_platform_driver(pandora_backlight_driver); - -MODULE_AUTHOR("Gražvydas Ignotas <notasas@gmail.com>"); -MODULE_DESCRIPTION("Pandora Backlight Driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:pandora-backlight"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/pcf50633-backlight.c b/ANDROID_3.4.5/drivers/video/backlight/pcf50633-backlight.c deleted file mode 100644 index c65853cb..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/pcf50633-backlight.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de> - * PCF50633 backlight device driver - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/platform_device.h> - -#include <linux/backlight.h> -#include <linux/fb.h> - -#include <linux/mfd/pcf50633/core.h> -#include <linux/mfd/pcf50633/backlight.h> - -struct pcf50633_bl { - struct pcf50633 *pcf; - struct backlight_device *bl; - - unsigned int brightness; - unsigned int brightness_limit; -}; - -/* - * pcf50633_bl_set_brightness_limit - * - * Update the brightness limit for the pc50633 backlight. The actual brightness - * will not go above the limit. This is useful to limit power drain for example - * on low battery. - * - * @dev: Pointer to a pcf50633 device - * @limit: The brightness limit. Valid values are 0-63 - */ -int pcf50633_bl_set_brightness_limit(struct pcf50633 *pcf, unsigned int limit) -{ - struct pcf50633_bl *pcf_bl = platform_get_drvdata(pcf->bl_pdev); - - if (!pcf_bl) - return -ENODEV; - - pcf_bl->brightness_limit = limit & 0x3f; - backlight_update_status(pcf_bl->bl); - - return 0; -} - -static int pcf50633_bl_update_status(struct backlight_device *bl) -{ - struct pcf50633_bl *pcf_bl = bl_get_data(bl); - unsigned int new_brightness; - - - if (bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK) || - bl->props.power != FB_BLANK_UNBLANK) - new_brightness = 0; - else if (bl->props.brightness < pcf_bl->brightness_limit) - new_brightness = bl->props.brightness; - else - new_brightness = pcf_bl->brightness_limit; - - - if (pcf_bl->brightness == new_brightness) - return 0; - - if (new_brightness) { - pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDOUT, - new_brightness); - if (!pcf_bl->brightness) - pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDENA, 1); - } else { - pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDENA, 0); - } - - pcf_bl->brightness = new_brightness; - - return 0; -} - -static int pcf50633_bl_get_brightness(struct backlight_device *bl) -{ - struct pcf50633_bl *pcf_bl = bl_get_data(bl); - return pcf_bl->brightness; -} - -static const struct backlight_ops pcf50633_bl_ops = { - .get_brightness = pcf50633_bl_get_brightness, - .update_status = pcf50633_bl_update_status, - .options = BL_CORE_SUSPENDRESUME, -}; - -static int __devinit pcf50633_bl_probe(struct platform_device *pdev) -{ - struct pcf50633_bl *pcf_bl; - struct device *parent = pdev->dev.parent; - struct pcf50633_platform_data *pcf50633_data = parent->platform_data; - struct pcf50633_bl_platform_data *pdata = pcf50633_data->backlight_data; - struct backlight_properties bl_props; - - pcf_bl = devm_kzalloc(&pdev->dev, sizeof(*pcf_bl), GFP_KERNEL); - if (!pcf_bl) - return -ENOMEM; - - bl_props.type = BACKLIGHT_RAW; - bl_props.max_brightness = 0x3f; - bl_props.power = FB_BLANK_UNBLANK; - - if (pdata) { - bl_props.brightness = pdata->default_brightness; - pcf_bl->brightness_limit = pdata->default_brightness_limit; - } else { - bl_props.brightness = 0x3f; - pcf_bl->brightness_limit = 0x3f; - } - - pcf_bl->pcf = dev_to_pcf50633(pdev->dev.parent); - - pcf_bl->bl = backlight_device_register(pdev->name, &pdev->dev, pcf_bl, - &pcf50633_bl_ops, &bl_props); - - if (IS_ERR(pcf_bl->bl)) - return PTR_ERR(pcf_bl->bl); - - platform_set_drvdata(pdev, pcf_bl); - - pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDDIM, pdata->ramp_time); - - /* Should be different from bl_props.brightness, so we do not exit - * update_status early the first time it's called */ - pcf_bl->brightness = pcf_bl->bl->props.brightness + 1; - - backlight_update_status(pcf_bl->bl); - - return 0; -} - -static int __devexit pcf50633_bl_remove(struct platform_device *pdev) -{ - struct pcf50633_bl *pcf_bl = platform_get_drvdata(pdev); - - backlight_device_unregister(pcf_bl->bl); - - platform_set_drvdata(pdev, NULL); - - return 0; -} - -static struct platform_driver pcf50633_bl_driver = { - .probe = pcf50633_bl_probe, - .remove = __devexit_p(pcf50633_bl_remove), - .driver = { - .name = "pcf50633-backlight", - }, -}; - -module_platform_driver(pcf50633_bl_driver); - -MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); -MODULE_DESCRIPTION("PCF50633 backlight driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:pcf50633-backlight"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/platform_lcd.c b/ANDROID_3.4.5/drivers/video/backlight/platform_lcd.c deleted file mode 100644 index b6672340..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/platform_lcd.c +++ /dev/null @@ -1,164 +0,0 @@ -/* drivers/video/backlight/platform_lcd.c - * - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * Generic platform-device LCD power control interface. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * -*/ - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/lcd.h> -#include <linux/slab.h> - -#include <video/platform_lcd.h> - -struct platform_lcd { - struct device *us; - struct lcd_device *lcd; - struct plat_lcd_data *pdata; - - unsigned int power; - unsigned int suspended : 1; -}; - -static inline struct platform_lcd *to_our_lcd(struct lcd_device *lcd) -{ - return lcd_get_data(lcd); -} - -static int platform_lcd_get_power(struct lcd_device *lcd) -{ - struct platform_lcd *plcd = to_our_lcd(lcd); - - return plcd->power; -} - -static int platform_lcd_set_power(struct lcd_device *lcd, int power) -{ - struct platform_lcd *plcd = to_our_lcd(lcd); - int lcd_power = 1; - - if (power == FB_BLANK_POWERDOWN || plcd->suspended) - lcd_power = 0; - - plcd->pdata->set_power(plcd->pdata, lcd_power); - plcd->power = power; - - return 0; -} - -static int platform_lcd_match(struct lcd_device *lcd, struct fb_info *info) -{ - struct platform_lcd *plcd = to_our_lcd(lcd); - struct plat_lcd_data *pdata = plcd->pdata; - - if (pdata->match_fb) - return pdata->match_fb(pdata, info); - - return plcd->us->parent == info->device; -} - -static struct lcd_ops platform_lcd_ops = { - .get_power = platform_lcd_get_power, - .set_power = platform_lcd_set_power, - .check_fb = platform_lcd_match, -}; - -static int __devinit platform_lcd_probe(struct platform_device *pdev) -{ - struct plat_lcd_data *pdata; - struct platform_lcd *plcd; - struct device *dev = &pdev->dev; - int err; - - pdata = pdev->dev.platform_data; - if (!pdata) { - dev_err(dev, "no platform data supplied\n"); - return -EINVAL; - } - - plcd = devm_kzalloc(&pdev->dev, sizeof(struct platform_lcd), - GFP_KERNEL); - if (!plcd) { - dev_err(dev, "no memory for state\n"); - return -ENOMEM; - } - - plcd->us = dev; - plcd->pdata = pdata; - plcd->lcd = lcd_device_register(dev_name(dev), dev, - plcd, &platform_lcd_ops); - if (IS_ERR(plcd->lcd)) { - dev_err(dev, "cannot register lcd device\n"); - err = PTR_ERR(plcd->lcd); - goto err; - } - - platform_set_drvdata(pdev, plcd); - platform_lcd_set_power(plcd->lcd, FB_BLANK_NORMAL); - - return 0; - - err: - return err; -} - -static int __devexit platform_lcd_remove(struct platform_device *pdev) -{ - struct platform_lcd *plcd = platform_get_drvdata(pdev); - - lcd_device_unregister(plcd->lcd); - - return 0; -} - -#ifdef CONFIG_PM -static int platform_lcd_suspend(struct device *dev) -{ - struct platform_lcd *plcd = dev_get_drvdata(dev); - - plcd->suspended = 1; - platform_lcd_set_power(plcd->lcd, plcd->power); - - return 0; -} - -static int platform_lcd_resume(struct device *dev) -{ - struct platform_lcd *plcd = dev_get_drvdata(dev); - - plcd->suspended = 0; - platform_lcd_set_power(plcd->lcd, plcd->power); - - return 0; -} - -static SIMPLE_DEV_PM_OPS(platform_lcd_pm_ops, platform_lcd_suspend, - platform_lcd_resume); -#endif - -static struct platform_driver platform_lcd_driver = { - .driver = { - .name = "platform-lcd", - .owner = THIS_MODULE, -#ifdef CONFIG_PM - .pm = &platform_lcd_pm_ops, -#endif - }, - .probe = platform_lcd_probe, - .remove = __devexit_p(platform_lcd_remove), -}; - -module_platform_driver(platform_lcd_driver); - -MODULE_AUTHOR("Ben Dooks <ben-linux@fluff.org>"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:platform-lcd"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/progear_bl.c b/ANDROID_3.4.5/drivers/video/backlight/progear_bl.c deleted file mode 100644 index 6af183d6..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/progear_bl.c +++ /dev/null @@ -1,160 +0,0 @@ -/* - * Backlight Driver for Frontpath ProGear HX1050+ - * - * Copyright (c) 2006 Marcin Juszkiewicz - * - * Based on Progear LCD driver by M Schacht - * <mschacht at alumni dot washington dot edu> - * - * Based on Sharp's Corgi Backlight Driver - * Based on Backlight Driver for HP Jornada 680 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/mutex.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/pci.h> - -#define PMU_LPCR 0xB0 -#define SB_MPS1 0x61 -#define HW_LEVEL_MAX 0x77 -#define HW_LEVEL_MIN 0x4f - -static struct pci_dev *pmu_dev = NULL; -static struct pci_dev *sb_dev = NULL; - -static int progearbl_set_intensity(struct backlight_device *bd) -{ - int intensity = bd->props.brightness; - - if (bd->props.power != FB_BLANK_UNBLANK) - intensity = 0; - if (bd->props.fb_blank != FB_BLANK_UNBLANK) - intensity = 0; - - pci_write_config_byte(pmu_dev, PMU_LPCR, intensity + HW_LEVEL_MIN); - - return 0; -} - -static int progearbl_get_intensity(struct backlight_device *bd) -{ - u8 intensity; - pci_read_config_byte(pmu_dev, PMU_LPCR, &intensity); - - return intensity - HW_LEVEL_MIN; -} - -static const struct backlight_ops progearbl_ops = { - .get_brightness = progearbl_get_intensity, - .update_status = progearbl_set_intensity, -}; - -static int progearbl_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - u8 temp; - struct backlight_device *progear_backlight_device; - int ret; - - pmu_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101, NULL); - if (!pmu_dev) { - printk("ALI M7101 PMU not found.\n"); - return -ENODEV; - } - - sb_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); - if (!sb_dev) { - printk("ALI 1533 SB not found.\n"); - ret = -ENODEV; - goto put_pmu; - } - - /* Set SB_MPS1 to enable brightness control. */ - pci_read_config_byte(sb_dev, SB_MPS1, &temp); - pci_write_config_byte(sb_dev, SB_MPS1, temp | 0x20); - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; - progear_backlight_device = backlight_device_register("progear-bl", - &pdev->dev, NULL, - &progearbl_ops, - &props); - if (IS_ERR(progear_backlight_device)) { - ret = PTR_ERR(progear_backlight_device); - goto put_sb; - } - - platform_set_drvdata(pdev, progear_backlight_device); - - progear_backlight_device->props.power = FB_BLANK_UNBLANK; - progear_backlight_device->props.brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; - progearbl_set_intensity(progear_backlight_device); - - return 0; -put_sb: - pci_dev_put(sb_dev); -put_pmu: - pci_dev_put(pmu_dev); - return ret; -} - -static int progearbl_remove(struct platform_device *pdev) -{ - struct backlight_device *bd = platform_get_drvdata(pdev); - backlight_device_unregister(bd); - - return 0; -} - -static struct platform_driver progearbl_driver = { - .probe = progearbl_probe, - .remove = progearbl_remove, - .driver = { - .name = "progear-bl", - }, -}; - -static struct platform_device *progearbl_device; - -static int __init progearbl_init(void) -{ - int ret = platform_driver_register(&progearbl_driver); - - if (ret) - return ret; - progearbl_device = platform_device_register_simple("progear-bl", -1, - NULL, 0); - if (IS_ERR(progearbl_device)) { - platform_driver_unregister(&progearbl_driver); - return PTR_ERR(progearbl_device); - } - - return 0; -} - -static void __exit progearbl_exit(void) -{ - pci_dev_put(pmu_dev); - pci_dev_put(sb_dev); - - platform_device_unregister(progearbl_device); - platform_driver_unregister(&progearbl_driver); -} - -module_init(progearbl_init); -module_exit(progearbl_exit); - -MODULE_AUTHOR("Marcin Juszkiewicz <linux@hrw.one.pl>"); -MODULE_DESCRIPTION("ProGear Backlight Driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/pwm_bl.c b/ANDROID_3.4.5/drivers/video/backlight/pwm_bl.c deleted file mode 100644 index a8d900d0..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/pwm_bl.c +++ /dev/null @@ -1,394 +0,0 @@ -/* - * linux/drivers/video/backlight/pwm_bl.c - * - * simple PWM based backlight control, board code has to setup - * 1) pin configuration so PWM waveforms can output - * 2) platform_data being correctly configured - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/err.h> -#include <linux/pwm.h> -#include <linux/pwm_backlight.h> -#include <linux/slab.h> -#include <linux/irq.h> - -#include <mach/hardware.h> - -#include <linux/delay.h> -#include <linux/gpio.h> -#include <mach/wmt_iomux.h> - -int pwm_or_gpio=1; -extern int wmt_getsyspara(char *varname, unsigned char *varval, int *varlen); - - -struct pwm_bl_data { - struct pwm_device *pwm; - struct device *dev; - unsigned int invert; - unsigned int period; - unsigned int lth_ns; - unsigned int hth_ns; - int (*notify)(struct device *, - int brightness); - void (*notify_after)(struct device *, - int brightness); - int (*check_fb)(struct device *, struct fb_info *); -}; - -static inline void __pwm0_gpio_setup(void) -{ - /* select pwm function */ - REG8_VAL(GPIO_CTRL_GP20_PWM0_BYTE_ADDR) &= ~0x1; - - /* pwm0 output enable */ - REG8_VAL(GPIO_OD_GP20_PWM0_BYTE_ADDR) &= ~0x01; - - /* share pin */ - REG32_VAL(PIN_SHARING_SEL_4BYTE_ADDR) &= ~0x1000; -} - -static int pre_brightness_value; -void sgm3727_bl_brightness(int brightness_value) -{ - int i = 0; - int pulse_num = 0; - brightness_value= (brightness_value-10)*31/245; - brightness_value = 31 - brightness_value; - - if (brightness_value >= 32) - { - brightness_value = 31; - } - if (brightness_value < 0) - { - brightness_value = 0; - } - //printk("%s,brightness_value=%d,%d\n",__FUNCTION__,pre_brightness_value,brightness_value); - if(pre_brightness_value == brightness_value) - { - return; - } - else if(pre_brightness_value == 0xFF) - { - pulse_num = brightness_value; - } - else if(brightness_value>pre_brightness_value) - { - pulse_num = brightness_value - pre_brightness_value; - } - else - { - pulse_num = (brightness_value + 32 ) - pre_brightness_value; - } - - //printk("%s,pulse_num=%d\n",__FUNCTION__,pulse_num); - if (pulse_num < 32) - { - local_irq_disable(); - if(pre_brightness_value == 0xFF) - { - gpio_direction_output(WMT_PIN_GP0_GPIO0,0); - mdelay(5);//5 - gpio_direction_output(WMT_PIN_GP0_GPIO0,1); - udelay(50); - } - for (i=0; i < pulse_num; i++) - { - gpio_direction_output(WMT_PIN_GP0_GPIO0,0); - udelay(10);//50 - gpio_direction_output(WMT_PIN_GP0_GPIO0,1); - udelay(10);//50 - } - local_irq_enable(); - } - - pre_brightness_value = brightness_value; -} - -static int cw500_backlight_update_status(struct backlight_device *bl) -{ - struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev); - int brightness = bl->props.brightness; - int max = bl->props.max_brightness; - - if(!brightness) - { - gpio_direction_output(WMT_PIN_GP0_GPIO0,0); - pre_brightness_value = 0xFF; - mdelay(10); - return; - } - else - { - sgm3727_bl_brightness(brightness); - } - - return 0; -} - -static int pwm_backlight_update_status(struct backlight_device *bl) -{ - struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev); - int brightness = bl->props.brightness; - int max = bl->props.max_brightness; - -// if (bl->props.power != FB_BLANK_UNBLANK) -// brightness = 0; -// -// if (bl->props.fb_blank != FB_BLANK_UNBLANK) -// brightness = 0; - - if (pb->notify) - brightness = pb->notify(pb->dev, brightness); - - if (brightness == 0) { - if (pb->invert) { - pwm_config(pb->pwm, pb->period, pb->period); - } else { - pwm_config(pb->pwm, 0, pb->period); - pwm_disable(pb->pwm); - } - } else { - brightness = pb->lth_ns + - (brightness * (pb->period - pb->lth_ns - pb->hth_ns) / max); - if (pb->invert) - brightness = pb->period - brightness; - pwm_config(pb->pwm, brightness, pb->period); - pwm_enable(pb->pwm); - } - - if (pb->notify_after) - pb->notify_after(pb->dev, brightness); - - return 0; -} - -static int pwm_backlight_get_brightness(struct backlight_device *bl) -{ - return bl->props.brightness; -} - -static int pwm_backlight_check_fb(struct backlight_device *bl, - struct fb_info *info) -{ - struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev); - - return !pb->check_fb || pb->check_fb(pb->dev, info); -} - -backlight_update_status_select(struct backlight_device *bl) -{ - if(pwm_or_gpio){ - //printk("pwm branch\n"); - pwm_backlight_update_status(bl); - }else{ - printk("gpio branch\n"); - cw500_backlight_update_status(bl); - } - -} - -static const struct backlight_ops pwm_backlight_ops = { - //.update_status = pwm_backlight_update_status,//TODO: add uboot control rubbit - //.update_status = cw500_backlight_update_status, - .update_status = backlight_update_status_select, - .get_brightness = pwm_backlight_get_brightness, - .check_fb = pwm_backlight_check_fb, -}; -/* -* wmt.bl_select: -* 0----->gpio control back light -* 1----->pwm control back light -* default pwm control back light -*/ -static int pwm_backlight_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - struct platform_pwm_backlight_data *data = pdev->dev.platform_data; - struct backlight_device *bl; - struct pwm_bl_data *pb; - int ret; - unsigned char buf[64]; - int varlen = sizeof(buf); - - memset(buf, 0x0, sizeof(buf)); - ret = wmt_getsyspara("wmt.bl_select", buf, &varlen); - if (ret == 0) { - sscanf(buf, "%d", &pwm_or_gpio); - } - else { - pwm_or_gpio = 1; - printk("default use pwm to control backlight,pwm_or_gpio:%d\n",pwm_or_gpio); - } - if (!data) { - dev_err(&pdev->dev, "failed to find platform data\n"); - return -EINVAL; - } - - if (data->init) { - ret = data->init(&pdev->dev); - if (ret < 0) - return ret; - } - - pb = devm_kzalloc(&pdev->dev, sizeof(*pb), GFP_KERNEL); - if (!pb) { - dev_err(&pdev->dev, "no memory for state\n"); - ret = -ENOMEM; - goto err_alloc; - } - if(pwm_or_gpio){ - __pwm0_gpio_setup(); - }else{ - pre_brightness_value = 0; - //ret = gpio_request(WMT_PIN_GP0_GPIO0,"gpio lcd back light"); - //if (ret){ - // printk("gpio_request gpio lcd back light failed\n"); - // goto err_alloc; - //} - } - pb->invert = data->invert; - pb->period = data->pwm_period_ns; - pb->notify = data->notify; - pb->notify_after = data->notify_after; - pb->check_fb = data->check_fb; - pb->lth_ns = data->lth_brightness * (data->pwm_period_ns / data->max_brightness); - pb->hth_ns = (data->max_brightness - data->hth_brightness) * - (data->pwm_period_ns / data->max_brightness); - pb->dev = &pdev->dev; - - pb->pwm = pwm_request(data->pwm_id, "backlight"); - if (IS_ERR(pb->pwm)) { - dev_err(&pdev->dev, "unable to request PWM for backlight\n"); - ret = PTR_ERR(pb->pwm); - goto err_alloc; - } else - dev_dbg(&pdev->dev, "got pwm for backlight\n"); - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = data->max_brightness; - bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, pb, - &pwm_backlight_ops, &props); - if (IS_ERR(bl)) { - dev_err(&pdev->dev, "failed to register backlight\n"); - ret = PTR_ERR(bl); - goto err_bl; - } - - bl->props.brightness = data->dft_brightness; - //backlight_update_status(bl); - - platform_set_drvdata(pdev, bl); - return 0; - -err_bl: - pwm_free(pb->pwm); -err_alloc: - if (data->exit) - data->exit(&pdev->dev); - return ret; -} - -static int pwm_backlight_remove(struct platform_device *pdev) -{ - struct platform_pwm_backlight_data *data = pdev->dev.platform_data; - struct backlight_device *bl = platform_get_drvdata(pdev); - struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev); - - backlight_device_unregister(bl); - pwm_config(pb->pwm, 0, pb->period); - pwm_disable(pb->pwm); - pwm_free(pb->pwm); - if (data->exit) - data->exit(&pdev->dev); - if(!pwm_or_gpio) - gpio_free(WMT_PIN_GP0_GPIO0); - return 0; -} - -#ifdef CONFIG_PM -static int pwm_backlight_suspend(struct device *dev) -{ - int ret=0; - struct backlight_device *bl = dev_get_drvdata(dev); - struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev); - printk("%s\n",__func__); - if (pb->notify) - pb->notify(pb->dev, 0); - if(pwm_or_gpio){ - if (pb->invert) { - pwm_config(pb->pwm, pb->period, pb->period); - } else { - pwm_config(pb->pwm, 0, pb->period); - pwm_disable(pb->pwm); - } - }else{ - - } - - if (pb->notify_after) - pb->notify_after(pb->dev, 0); - if(!pwm_or_gpio){ - gpio_free(WMT_PIN_GP0_GPIO0); - } - return 0; -} - -static int pwm_backlight_resume(struct device *dev) -{ - int ret=0; - printk("%s\n",__func__); - if(pwm_or_gpio){ - __pwm0_gpio_setup(); - }else{ - ret = gpio_request(WMT_PIN_GP0_GPIO0,"gpio lcd back light"); - if (ret){ - printk("gpio_request gpio lcd back light failed\n"); - return -1; - } - gpio_direction_output(WMT_PIN_GP0_GPIO0,0); - } - return 0; -} - -static SIMPLE_DEV_PM_OPS(pwm_backlight_pm_ops, pwm_backlight_suspend, - pwm_backlight_resume); - -#endif - -static void pwm_backlight_shutdown(struct platform_device *pdev) -{ - pwm_backlight_suspend(&pdev->dev); -} - -static struct platform_driver pwm_backlight_driver = { - .driver = { - .name = "pwm-backlight", - .owner = THIS_MODULE, -#ifdef CONFIG_PM - .pm = &pwm_backlight_pm_ops, -#endif - }, - .probe = pwm_backlight_probe, - .remove = pwm_backlight_remove, - .shutdown = pwm_backlight_shutdown, -}; - -module_platform_driver(pwm_backlight_driver); - -MODULE_DESCRIPTION("PWM based Backlight Driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:pwm-backlight"); - diff --git a/ANDROID_3.4.5/drivers/video/backlight/s6e63m0.c b/ANDROID_3.4.5/drivers/video/backlight/s6e63m0.c deleted file mode 100644 index e264f55b..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/s6e63m0.c +++ /dev/null @@ -1,917 +0,0 @@ -/* - * S6E63M0 AMOLED LCD panel driver. - * - * Author: InKi Dae <inki.dae@samsung.com> - * - * Derived from drivers/video/omap/lcd-apollon.c - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include <linux/wait.h> -#include <linux/fb.h> -#include <linux/delay.h> -#include <linux/gpio.h> -#include <linux/spi/spi.h> -#include <linux/irq.h> -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/lcd.h> -#include <linux/backlight.h> -#include <linux/module.h> - -#include "s6e63m0_gamma.h" - -#define SLEEPMSEC 0x1000 -#define ENDDEF 0x2000 -#define DEFMASK 0xFF00 -#define COMMAND_ONLY 0xFE -#define DATA_ONLY 0xFF - -#define MIN_BRIGHTNESS 0 -#define MAX_BRIGHTNESS 10 - -#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL) - -struct s6e63m0 { - struct device *dev; - struct spi_device *spi; - unsigned int power; - unsigned int current_brightness; - unsigned int gamma_mode; - unsigned int gamma_table_count; - struct lcd_device *ld; - struct backlight_device *bd; - struct lcd_platform_data *lcd_pd; -}; - -static const unsigned short SEQ_PANEL_CONDITION_SET[] = { - 0xF8, 0x01, - DATA_ONLY, 0x27, - DATA_ONLY, 0x27, - DATA_ONLY, 0x07, - DATA_ONLY, 0x07, - DATA_ONLY, 0x54, - DATA_ONLY, 0x9f, - DATA_ONLY, 0x63, - DATA_ONLY, 0x86, - DATA_ONLY, 0x1a, - DATA_ONLY, 0x33, - DATA_ONLY, 0x0d, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - - ENDDEF, 0x0000 -}; - -static const unsigned short SEQ_DISPLAY_CONDITION_SET[] = { - 0xf2, 0x02, - DATA_ONLY, 0x03, - DATA_ONLY, 0x1c, - DATA_ONLY, 0x10, - DATA_ONLY, 0x10, - - 0xf7, 0x03, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - - ENDDEF, 0x0000 -}; - -static const unsigned short SEQ_GAMMA_SETTING[] = { - 0xfa, 0x00, - DATA_ONLY, 0x18, - DATA_ONLY, 0x08, - DATA_ONLY, 0x24, - DATA_ONLY, 0x64, - DATA_ONLY, 0x56, - DATA_ONLY, 0x33, - DATA_ONLY, 0xb6, - DATA_ONLY, 0xba, - DATA_ONLY, 0xa8, - DATA_ONLY, 0xac, - DATA_ONLY, 0xb1, - DATA_ONLY, 0x9d, - DATA_ONLY, 0xc1, - DATA_ONLY, 0xc1, - DATA_ONLY, 0xb7, - DATA_ONLY, 0x00, - DATA_ONLY, 0x9c, - DATA_ONLY, 0x00, - DATA_ONLY, 0x9f, - DATA_ONLY, 0x00, - DATA_ONLY, 0xd6, - - 0xfa, 0x01, - - ENDDEF, 0x0000 -}; - -static const unsigned short SEQ_ETC_CONDITION_SET[] = { - 0xf6, 0x00, - DATA_ONLY, 0x8c, - DATA_ONLY, 0x07, - - 0xb3, 0xc, - - 0xb5, 0x2c, - DATA_ONLY, 0x12, - DATA_ONLY, 0x0c, - DATA_ONLY, 0x0a, - DATA_ONLY, 0x10, - DATA_ONLY, 0x0e, - DATA_ONLY, 0x17, - DATA_ONLY, 0x13, - DATA_ONLY, 0x1f, - DATA_ONLY, 0x1a, - DATA_ONLY, 0x2a, - DATA_ONLY, 0x24, - DATA_ONLY, 0x1f, - DATA_ONLY, 0x1b, - DATA_ONLY, 0x1a, - DATA_ONLY, 0x17, - - DATA_ONLY, 0x2b, - DATA_ONLY, 0x26, - DATA_ONLY, 0x22, - DATA_ONLY, 0x20, - DATA_ONLY, 0x3a, - DATA_ONLY, 0x34, - DATA_ONLY, 0x30, - DATA_ONLY, 0x2c, - DATA_ONLY, 0x29, - DATA_ONLY, 0x26, - DATA_ONLY, 0x25, - DATA_ONLY, 0x23, - DATA_ONLY, 0x21, - DATA_ONLY, 0x20, - DATA_ONLY, 0x1e, - DATA_ONLY, 0x1e, - - 0xb6, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x11, - DATA_ONLY, 0x22, - DATA_ONLY, 0x33, - DATA_ONLY, 0x44, - DATA_ONLY, 0x44, - DATA_ONLY, 0x44, - - DATA_ONLY, 0x55, - DATA_ONLY, 0x55, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - - 0xb7, 0x2c, - DATA_ONLY, 0x12, - DATA_ONLY, 0x0c, - DATA_ONLY, 0x0a, - DATA_ONLY, 0x10, - DATA_ONLY, 0x0e, - DATA_ONLY, 0x17, - DATA_ONLY, 0x13, - DATA_ONLY, 0x1f, - DATA_ONLY, 0x1a, - DATA_ONLY, 0x2a, - DATA_ONLY, 0x24, - DATA_ONLY, 0x1f, - DATA_ONLY, 0x1b, - DATA_ONLY, 0x1a, - DATA_ONLY, 0x17, - - DATA_ONLY, 0x2b, - DATA_ONLY, 0x26, - DATA_ONLY, 0x22, - DATA_ONLY, 0x20, - DATA_ONLY, 0x3a, - DATA_ONLY, 0x34, - DATA_ONLY, 0x30, - DATA_ONLY, 0x2c, - DATA_ONLY, 0x29, - DATA_ONLY, 0x26, - DATA_ONLY, 0x25, - DATA_ONLY, 0x23, - DATA_ONLY, 0x21, - DATA_ONLY, 0x20, - DATA_ONLY, 0x1e, - DATA_ONLY, 0x1e, - - 0xb8, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x11, - DATA_ONLY, 0x22, - DATA_ONLY, 0x33, - DATA_ONLY, 0x44, - DATA_ONLY, 0x44, - DATA_ONLY, 0x44, - - DATA_ONLY, 0x55, - DATA_ONLY, 0x55, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - - 0xb9, 0x2c, - DATA_ONLY, 0x12, - DATA_ONLY, 0x0c, - DATA_ONLY, 0x0a, - DATA_ONLY, 0x10, - DATA_ONLY, 0x0e, - DATA_ONLY, 0x17, - DATA_ONLY, 0x13, - DATA_ONLY, 0x1f, - DATA_ONLY, 0x1a, - DATA_ONLY, 0x2a, - DATA_ONLY, 0x24, - DATA_ONLY, 0x1f, - DATA_ONLY, 0x1b, - DATA_ONLY, 0x1a, - DATA_ONLY, 0x17, - - DATA_ONLY, 0x2b, - DATA_ONLY, 0x26, - DATA_ONLY, 0x22, - DATA_ONLY, 0x20, - DATA_ONLY, 0x3a, - DATA_ONLY, 0x34, - DATA_ONLY, 0x30, - DATA_ONLY, 0x2c, - DATA_ONLY, 0x29, - DATA_ONLY, 0x26, - DATA_ONLY, 0x25, - DATA_ONLY, 0x23, - DATA_ONLY, 0x21, - DATA_ONLY, 0x20, - DATA_ONLY, 0x1e, - DATA_ONLY, 0x1e, - - 0xba, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x11, - DATA_ONLY, 0x22, - DATA_ONLY, 0x33, - DATA_ONLY, 0x44, - DATA_ONLY, 0x44, - DATA_ONLY, 0x44, - - DATA_ONLY, 0x55, - DATA_ONLY, 0x55, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - DATA_ONLY, 0x66, - - 0xc1, 0x4d, - DATA_ONLY, 0x96, - DATA_ONLY, 0x1d, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x01, - DATA_ONLY, 0xdf, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x03, - DATA_ONLY, 0x1f, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x00, - DATA_ONLY, 0x03, - DATA_ONLY, 0x06, - DATA_ONLY, 0x09, - DATA_ONLY, 0x0d, - DATA_ONLY, 0x0f, - DATA_ONLY, 0x12, - DATA_ONLY, 0x15, - DATA_ONLY, 0x18, - - 0xb2, 0x10, - DATA_ONLY, 0x10, - DATA_ONLY, 0x0b, - DATA_ONLY, 0x05, - - ENDDEF, 0x0000 -}; - -static const unsigned short SEQ_ACL_ON[] = { - /* ACL on */ - 0xc0, 0x01, - - ENDDEF, 0x0000 -}; - -static const unsigned short SEQ_ACL_OFF[] = { - /* ACL off */ - 0xc0, 0x00, - - ENDDEF, 0x0000 -}; - -static const unsigned short SEQ_ELVSS_ON[] = { - /* ELVSS on */ - 0xb1, 0x0b, - - ENDDEF, 0x0000 -}; - -static const unsigned short SEQ_ELVSS_OFF[] = { - /* ELVSS off */ - 0xb1, 0x0a, - - ENDDEF, 0x0000 -}; - -static const unsigned short SEQ_STAND_BY_OFF[] = { - 0x11, COMMAND_ONLY, - - ENDDEF, 0x0000 -}; - -static const unsigned short SEQ_STAND_BY_ON[] = { - 0x10, COMMAND_ONLY, - - ENDDEF, 0x0000 -}; - -static const unsigned short SEQ_DISPLAY_ON[] = { - 0x29, COMMAND_ONLY, - - ENDDEF, 0x0000 -}; - - -static int s6e63m0_spi_write_byte(struct s6e63m0 *lcd, int addr, int data) -{ - u16 buf[1]; - struct spi_message msg; - - struct spi_transfer xfer = { - .len = 2, - .tx_buf = buf, - }; - - buf[0] = (addr << 8) | data; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - - return spi_sync(lcd->spi, &msg); -} - -static int s6e63m0_spi_write(struct s6e63m0 *lcd, unsigned char address, - unsigned char command) -{ - int ret = 0; - - if (address != DATA_ONLY) - ret = s6e63m0_spi_write_byte(lcd, 0x0, address); - if (command != COMMAND_ONLY) - ret = s6e63m0_spi_write_byte(lcd, 0x1, command); - - return ret; -} - -static int s6e63m0_panel_send_sequence(struct s6e63m0 *lcd, - const unsigned short *wbuf) -{ - int ret = 0, i = 0; - - while ((wbuf[i] & DEFMASK) != ENDDEF) { - if ((wbuf[i] & DEFMASK) != SLEEPMSEC) { - ret = s6e63m0_spi_write(lcd, wbuf[i], wbuf[i+1]); - if (ret) - break; - } else - udelay(wbuf[i+1]*1000); - i += 2; - } - - return ret; -} - -static int _s6e63m0_gamma_ctl(struct s6e63m0 *lcd, const unsigned int *gamma) -{ - unsigned int i = 0; - int ret = 0; - - /* disable gamma table updating. */ - ret = s6e63m0_spi_write(lcd, 0xfa, 0x00); - if (ret) { - dev_err(lcd->dev, "failed to disable gamma table updating.\n"); - goto gamma_err; - } - - for (i = 0 ; i < GAMMA_TABLE_COUNT; i++) { - ret = s6e63m0_spi_write(lcd, DATA_ONLY, gamma[i]); - if (ret) { - dev_err(lcd->dev, "failed to set gamma table.\n"); - goto gamma_err; - } - } - - /* update gamma table. */ - ret = s6e63m0_spi_write(lcd, 0xfa, 0x01); - if (ret) - dev_err(lcd->dev, "failed to update gamma table.\n"); - -gamma_err: - return ret; -} - -static int s6e63m0_gamma_ctl(struct s6e63m0 *lcd, int gamma) -{ - int ret = 0; - - ret = _s6e63m0_gamma_ctl(lcd, gamma_table.gamma_22_table[gamma]); - - return ret; -} - - -static int s6e63m0_ldi_init(struct s6e63m0 *lcd) -{ - int ret, i; - const unsigned short *init_seq[] = { - SEQ_PANEL_CONDITION_SET, - SEQ_DISPLAY_CONDITION_SET, - SEQ_GAMMA_SETTING, - SEQ_ETC_CONDITION_SET, - SEQ_ACL_ON, - SEQ_ELVSS_ON, - }; - - for (i = 0; i < ARRAY_SIZE(init_seq); i++) { - ret = s6e63m0_panel_send_sequence(lcd, init_seq[i]); - if (ret) - break; - } - - return ret; -} - -static int s6e63m0_ldi_enable(struct s6e63m0 *lcd) -{ - int ret = 0, i; - const unsigned short *enable_seq[] = { - SEQ_STAND_BY_OFF, - SEQ_DISPLAY_ON, - }; - - for (i = 0; i < ARRAY_SIZE(enable_seq); i++) { - ret = s6e63m0_panel_send_sequence(lcd, enable_seq[i]); - if (ret) - break; - } - - return ret; -} - -static int s6e63m0_ldi_disable(struct s6e63m0 *lcd) -{ - int ret; - - ret = s6e63m0_panel_send_sequence(lcd, SEQ_STAND_BY_ON); - - return ret; -} - -static int s6e63m0_power_on(struct s6e63m0 *lcd) -{ - int ret = 0; - struct lcd_platform_data *pd = NULL; - struct backlight_device *bd = NULL; - - pd = lcd->lcd_pd; - if (!pd) { - dev_err(lcd->dev, "platform data is NULL.\n"); - return -EFAULT; - } - - bd = lcd->bd; - if (!bd) { - dev_err(lcd->dev, "backlight device is NULL.\n"); - return -EFAULT; - } - - if (!pd->power_on) { - dev_err(lcd->dev, "power_on is NULL.\n"); - return -EFAULT; - } else { - pd->power_on(lcd->ld, 1); - mdelay(pd->power_on_delay); - } - - if (!pd->reset) { - dev_err(lcd->dev, "reset is NULL.\n"); - return -EFAULT; - } else { - pd->reset(lcd->ld); - mdelay(pd->reset_delay); - } - - ret = s6e63m0_ldi_init(lcd); - if (ret) { - dev_err(lcd->dev, "failed to initialize ldi.\n"); - return ret; - } - - ret = s6e63m0_ldi_enable(lcd); - if (ret) { - dev_err(lcd->dev, "failed to enable ldi.\n"); - return ret; - } - - /* set brightness to current value after power on or resume. */ - ret = s6e63m0_gamma_ctl(lcd, bd->props.brightness); - if (ret) { - dev_err(lcd->dev, "lcd gamma setting failed.\n"); - return ret; - } - - return 0; -} - -static int s6e63m0_power_off(struct s6e63m0 *lcd) -{ - int ret = 0; - struct lcd_platform_data *pd = NULL; - - pd = lcd->lcd_pd; - if (!pd) { - dev_err(lcd->dev, "platform data is NULL.\n"); - return -EFAULT; - } - - ret = s6e63m0_ldi_disable(lcd); - if (ret) { - dev_err(lcd->dev, "lcd setting failed.\n"); - return -EIO; - } - - mdelay(pd->power_off_delay); - - if (!pd->power_on) { - dev_err(lcd->dev, "power_on is NULL.\n"); - return -EFAULT; - } else - pd->power_on(lcd->ld, 0); - - return 0; -} - -static int s6e63m0_power(struct s6e63m0 *lcd, int power) -{ - int ret = 0; - - if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power)) - ret = s6e63m0_power_on(lcd); - else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power)) - ret = s6e63m0_power_off(lcd); - - if (!ret) - lcd->power = power; - - return ret; -} - -static int s6e63m0_set_power(struct lcd_device *ld, int power) -{ - struct s6e63m0 *lcd = lcd_get_data(ld); - - if (power != FB_BLANK_UNBLANK && power != FB_BLANK_POWERDOWN && - power != FB_BLANK_NORMAL) { - dev_err(lcd->dev, "power value should be 0, 1 or 4.\n"); - return -EINVAL; - } - - return s6e63m0_power(lcd, power); -} - -static int s6e63m0_get_power(struct lcd_device *ld) -{ - struct s6e63m0 *lcd = lcd_get_data(ld); - - return lcd->power; -} - -static int s6e63m0_get_brightness(struct backlight_device *bd) -{ - return bd->props.brightness; -} - -static int s6e63m0_set_brightness(struct backlight_device *bd) -{ - int ret = 0, brightness = bd->props.brightness; - struct s6e63m0 *lcd = bl_get_data(bd); - - if (brightness < MIN_BRIGHTNESS || - brightness > bd->props.max_brightness) { - dev_err(&bd->dev, "lcd brightness should be %d to %d.\n", - MIN_BRIGHTNESS, MAX_BRIGHTNESS); - return -EINVAL; - } - - ret = s6e63m0_gamma_ctl(lcd, bd->props.brightness); - if (ret) { - dev_err(&bd->dev, "lcd brightness setting failed.\n"); - return -EIO; - } - - return ret; -} - -static struct lcd_ops s6e63m0_lcd_ops = { - .set_power = s6e63m0_set_power, - .get_power = s6e63m0_get_power, -}; - -static const struct backlight_ops s6e63m0_backlight_ops = { - .get_brightness = s6e63m0_get_brightness, - .update_status = s6e63m0_set_brightness, -}; - -static ssize_t s6e63m0_sysfs_show_gamma_mode(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct s6e63m0 *lcd = dev_get_drvdata(dev); - char temp[10]; - - switch (lcd->gamma_mode) { - case 0: - sprintf(temp, "2.2 mode\n"); - strcat(buf, temp); - break; - case 1: - sprintf(temp, "1.9 mode\n"); - strcat(buf, temp); - break; - case 2: - sprintf(temp, "1.7 mode\n"); - strcat(buf, temp); - break; - default: - dev_info(dev, "gamma mode could be 0:2.2, 1:1.9 or 2:1.7)n"); - break; - } - - return strlen(buf); -} - -static ssize_t s6e63m0_sysfs_store_gamma_mode(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) -{ - struct s6e63m0 *lcd = dev_get_drvdata(dev); - struct backlight_device *bd = NULL; - int brightness, rc; - - rc = kstrtouint(buf, 0, &lcd->gamma_mode); - if (rc < 0) - return rc; - - bd = lcd->bd; - - brightness = bd->props.brightness; - - switch (lcd->gamma_mode) { - case 0: - _s6e63m0_gamma_ctl(lcd, gamma_table.gamma_22_table[brightness]); - break; - case 1: - _s6e63m0_gamma_ctl(lcd, gamma_table.gamma_19_table[brightness]); - break; - case 2: - _s6e63m0_gamma_ctl(lcd, gamma_table.gamma_17_table[brightness]); - break; - default: - dev_info(dev, "gamma mode could be 0:2.2, 1:1.9 or 2:1.7\n"); - _s6e63m0_gamma_ctl(lcd, gamma_table.gamma_22_table[brightness]); - break; - } - return len; -} - -static DEVICE_ATTR(gamma_mode, 0644, - s6e63m0_sysfs_show_gamma_mode, s6e63m0_sysfs_store_gamma_mode); - -static ssize_t s6e63m0_sysfs_show_gamma_table(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct s6e63m0 *lcd = dev_get_drvdata(dev); - char temp[3]; - - sprintf(temp, "%d\n", lcd->gamma_table_count); - strcpy(buf, temp); - - return strlen(buf); -} -static DEVICE_ATTR(gamma_table, 0444, - s6e63m0_sysfs_show_gamma_table, NULL); - -static int __devinit s6e63m0_probe(struct spi_device *spi) -{ - int ret = 0; - struct s6e63m0 *lcd = NULL; - struct lcd_device *ld = NULL; - struct backlight_device *bd = NULL; - struct backlight_properties props; - - lcd = kzalloc(sizeof(struct s6e63m0), GFP_KERNEL); - if (!lcd) - return -ENOMEM; - - /* s6e63m0 lcd panel uses 3-wire 9bits SPI Mode. */ - spi->bits_per_word = 9; - - ret = spi_setup(spi); - if (ret < 0) { - dev_err(&spi->dev, "spi setup failed.\n"); - goto out_free_lcd; - } - - lcd->spi = spi; - lcd->dev = &spi->dev; - - lcd->lcd_pd = (struct lcd_platform_data *)spi->dev.platform_data; - if (!lcd->lcd_pd) { - dev_err(&spi->dev, "platform data is NULL.\n"); - goto out_free_lcd; - } - - ld = lcd_device_register("s6e63m0", &spi->dev, lcd, &s6e63m0_lcd_ops); - if (IS_ERR(ld)) { - ret = PTR_ERR(ld); - goto out_free_lcd; - } - - lcd->ld = ld; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = MAX_BRIGHTNESS; - - bd = backlight_device_register("s6e63m0bl-bl", &spi->dev, lcd, - &s6e63m0_backlight_ops, &props); - if (IS_ERR(bd)) { - ret = PTR_ERR(bd); - goto out_lcd_unregister; - } - - bd->props.brightness = MAX_BRIGHTNESS; - lcd->bd = bd; - - /* - * it gets gamma table count available so it gets user - * know that. - */ - lcd->gamma_table_count = - sizeof(gamma_table) / (MAX_GAMMA_LEVEL * sizeof(int)); - - ret = device_create_file(&(spi->dev), &dev_attr_gamma_mode); - if (ret < 0) - dev_err(&(spi->dev), "failed to add sysfs entries\n"); - - ret = device_create_file(&(spi->dev), &dev_attr_gamma_table); - if (ret < 0) - dev_err(&(spi->dev), "failed to add sysfs entries\n"); - - /* - * if lcd panel was on from bootloader like u-boot then - * do not lcd on. - */ - if (!lcd->lcd_pd->lcd_enabled) { - /* - * if lcd panel was off from bootloader then - * current lcd status is powerdown and then - * it enables lcd panel. - */ - lcd->power = FB_BLANK_POWERDOWN; - - s6e63m0_power(lcd, FB_BLANK_UNBLANK); - } else - lcd->power = FB_BLANK_UNBLANK; - - dev_set_drvdata(&spi->dev, lcd); - - dev_info(&spi->dev, "s6e63m0 panel driver has been probed.\n"); - - return 0; - -out_lcd_unregister: - lcd_device_unregister(ld); -out_free_lcd: - kfree(lcd); - return ret; -} - -static int __devexit s6e63m0_remove(struct spi_device *spi) -{ - struct s6e63m0 *lcd = dev_get_drvdata(&spi->dev); - - s6e63m0_power(lcd, FB_BLANK_POWERDOWN); - device_remove_file(&spi->dev, &dev_attr_gamma_table); - device_remove_file(&spi->dev, &dev_attr_gamma_mode); - backlight_device_unregister(lcd->bd); - lcd_device_unregister(lcd->ld); - kfree(lcd); - - return 0; -} - -#if defined(CONFIG_PM) -static unsigned int before_power; - -static int s6e63m0_suspend(struct spi_device *spi, pm_message_t mesg) -{ - int ret = 0; - struct s6e63m0 *lcd = dev_get_drvdata(&spi->dev); - - dev_dbg(&spi->dev, "lcd->power = %d\n", lcd->power); - - before_power = lcd->power; - - /* - * when lcd panel is suspend, lcd panel becomes off - * regardless of status. - */ - ret = s6e63m0_power(lcd, FB_BLANK_POWERDOWN); - - return ret; -} - -static int s6e63m0_resume(struct spi_device *spi) -{ - int ret = 0; - struct s6e63m0 *lcd = dev_get_drvdata(&spi->dev); - - /* - * after suspended, if lcd panel status is FB_BLANK_UNBLANK - * (at that time, before_power is FB_BLANK_UNBLANK) then - * it changes that status to FB_BLANK_POWERDOWN to get lcd on. - */ - if (before_power == FB_BLANK_UNBLANK) - lcd->power = FB_BLANK_POWERDOWN; - - dev_dbg(&spi->dev, "before_power = %d\n", before_power); - - ret = s6e63m0_power(lcd, before_power); - - return ret; -} -#else -#define s6e63m0_suspend NULL -#define s6e63m0_resume NULL -#endif - -/* Power down all displays on reboot, poweroff or halt. */ -static void s6e63m0_shutdown(struct spi_device *spi) -{ - struct s6e63m0 *lcd = dev_get_drvdata(&spi->dev); - - s6e63m0_power(lcd, FB_BLANK_POWERDOWN); -} - -static struct spi_driver s6e63m0_driver = { - .driver = { - .name = "s6e63m0", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - }, - .probe = s6e63m0_probe, - .remove = __devexit_p(s6e63m0_remove), - .shutdown = s6e63m0_shutdown, - .suspend = s6e63m0_suspend, - .resume = s6e63m0_resume, -}; - -module_spi_driver(s6e63m0_driver); - -MODULE_AUTHOR("InKi Dae <inki.dae@samsung.com>"); -MODULE_DESCRIPTION("S6E63M0 LCD Driver"); -MODULE_LICENSE("GPL"); - diff --git a/ANDROID_3.4.5/drivers/video/backlight/s6e63m0_gamma.h b/ANDROID_3.4.5/drivers/video/backlight/s6e63m0_gamma.h deleted file mode 100644 index 2c44bdb0..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/s6e63m0_gamma.h +++ /dev/null @@ -1,266 +0,0 @@ -/* linux/drivers/video/samsung/s6e63m0_brightness.h - * - * Gamma level definitions. - * - * Copyright (c) 2009 Samsung Electronics - * InKi Dae <inki.dae@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef _S6E63M0_BRIGHTNESS_H -#define _S6E63M0_BRIGHTNESS_H - -#define MAX_GAMMA_LEVEL 11 -#define GAMMA_TABLE_COUNT 21 - -/* gamma value: 2.2 */ -static const unsigned int s6e63m0_22_300[] = { - 0x18, 0x08, 0x24, 0x5f, 0x50, 0x2d, 0xB6, - 0xB9, 0xA7, 0xAd, 0xB1, 0x9f, 0xbe, 0xC0, - 0xB5, 0x00, 0xa0, 0x00, 0xa4, 0x00, 0xdb -}; - -static const unsigned int s6e63m0_22_280[] = { - 0x18, 0x08, 0x24, 0x64, 0x56, 0x33, 0xB6, - 0xBA, 0xA8, 0xAC, 0xB1, 0x9D, 0xC1, 0xC1, - 0xB7, 0x00, 0x9C, 0x00, 0x9F, 0x00, 0xD6 -}; - -static const unsigned int s6e63m0_22_260[] = { - 0x18, 0x08, 0x24, 0x66, 0x58, 0x34, 0xB6, - 0xBA, 0xA7, 0xAF, 0xB3, 0xA0, 0xC1, 0xC2, - 0xB7, 0x00, 0x97, 0x00, 0x9A, 0x00, 0xD1 - -}; - -static const unsigned int s6e63m0_22_240[] = { - 0x18, 0x08, 0x24, 0x62, 0x54, 0x30, 0xB9, - 0xBB, 0xA9, 0xB0, 0xB3, 0xA1, 0xC1, 0xC3, - 0xB7, 0x00, 0x91, 0x00, 0x95, 0x00, 0xDA - -}; -static const unsigned int s6e63m0_22_220[] = { - 0x18, 0x08, 0x24, 0x63, 0x53, 0x31, 0xB8, - 0xBC, 0xA9, 0xB0, 0xB5, 0xA2, 0xC4, 0xC4, - 0xB8, 0x00, 0x8B, 0x00, 0x8E, 0x00, 0xC2 -}; - -static const unsigned int s6e63m0_22_200[] = { - 0x18, 0x08, 0x24, 0x66, 0x55, 0x34, 0xBA, - 0xBD, 0xAB, 0xB1, 0xB5, 0xA3, 0xC5, 0xC6, - 0xB9, 0x00, 0x85, 0x00, 0x88, 0x00, 0xBA -}; - -static const unsigned int s6e63m0_22_170[] = { - 0x18, 0x08, 0x24, 0x69, 0x54, 0x37, 0xBB, - 0xBE, 0xAC, 0xB4, 0xB7, 0xA6, 0xC7, 0xC8, - 0xBC, 0x00, 0x7B, 0x00, 0x7E, 0x00, 0xAB -}; - -static const unsigned int s6e63m0_22_140[] = { - 0x18, 0x08, 0x24, 0x6C, 0x54, 0x3A, 0xBC, - 0xBF, 0xAC, 0xB7, 0xBB, 0xA9, 0xC9, 0xC9, - 0xBE, 0x00, 0x71, 0x00, 0x73, 0x00, 0x9E -}; - -static const unsigned int s6e63m0_22_110[] = { - 0x18, 0x08, 0x24, 0x70, 0x51, 0x3E, 0xBF, - 0xC1, 0xAF, 0xB9, 0xBC, 0xAB, 0xCC, 0xCC, - 0xC2, 0x00, 0x65, 0x00, 0x67, 0x00, 0x8D -}; - -static const unsigned int s6e63m0_22_90[] = { - 0x18, 0x08, 0x24, 0x73, 0x4A, 0x3D, 0xC0, - 0xC2, 0xB1, 0xBB, 0xBE, 0xAC, 0xCE, 0xCF, - 0xC5, 0x00, 0x5D, 0x00, 0x5E, 0x00, 0x82 -}; - -static const unsigned int s6e63m0_22_30[] = { - 0x18, 0x08, 0x24, 0x78, 0xEC, 0x3D, 0xC8, - 0xC2, 0xB6, 0xC4, 0xC7, 0xB6, 0xD5, 0xD7, - 0xCC, 0x00, 0x39, 0x00, 0x36, 0x00, 0x51 -}; - -/* gamma value: 1.9 */ -static const unsigned int s6e63m0_19_300[] = { - 0x18, 0x08, 0x24, 0x61, 0x5F, 0x39, 0xBA, - 0xBD, 0xAD, 0xB1, 0xB6, 0xA5, 0xC4, 0xC5, - 0xBC, 0x00, 0xA0, 0x00, 0xA4, 0x00, 0xDB -}; - -static const unsigned int s6e63m0_19_280[] = { - 0x18, 0x08, 0x24, 0x61, 0x60, 0x39, 0xBB, - 0xBE, 0xAD, 0xB2, 0xB6, 0xA6, 0xC5, 0xC7, - 0xBD, 0x00, 0x9B, 0x00, 0x9E, 0x00, 0xD5 -}; - -static const unsigned int s6e63m0_19_260[] = { - 0x18, 0x08, 0x24, 0x63, 0x61, 0x3B, 0xBA, - 0xBE, 0xAC, 0xB3, 0xB8, 0xA7, 0xC6, 0xC8, - 0xBD, 0x00, 0x96, 0x00, 0x98, 0x00, 0xCF -}; - -static const unsigned int s6e63m0_19_240[] = { - 0x18, 0x08, 0x24, 0x67, 0x64, 0x3F, 0xBB, - 0xBE, 0xAD, 0xB3, 0xB9, 0xA7, 0xC8, 0xC9, - 0xBE, 0x00, 0x90, 0x00, 0x92, 0x00, 0xC8 -}; - -static const unsigned int s6e63m0_19_220[] = { - 0x18, 0x08, 0x24, 0x68, 0x64, 0x40, 0xBC, - 0xBF, 0xAF, 0xB4, 0xBA, 0xA9, 0xC8, 0xCA, - 0xBE, 0x00, 0x8B, 0x00, 0x8C, 0x00, 0xC0 -}; - -static const unsigned int s6e63m0_19_200[] = { - 0x18, 0x08, 0x24, 0x68, 0x64, 0x3F, 0xBE, - 0xC0, 0xB0, 0xB6, 0xBB, 0xAB, 0xC8, 0xCB, - 0xBF, 0x00, 0x85, 0x00, 0x86, 0x00, 0xB8 -}; - -static const unsigned int s6e63m0_19_170[] = { - 0x18, 0x08, 0x24, 0x69, 0x64, 0x40, 0xBF, - 0xC1, 0xB0, 0xB9, 0xBE, 0xAD, 0xCB, 0xCD, - 0xC2, 0x00, 0x7A, 0x00, 0x7B, 0x00, 0xAA -}; - -static const unsigned int s6e63m0_19_140[] = { - 0x18, 0x08, 0x24, 0x6E, 0x65, 0x45, 0xC0, - 0xC3, 0xB2, 0xBA, 0xBE, 0xAE, 0xCD, 0xD0, - 0xC4, 0x00, 0x70, 0x00, 0x70, 0x00, 0x9C -}; - -static const unsigned int s6e63m0_19_110[] = { - 0x18, 0x08, 0x24, 0x6F, 0x65, 0x46, 0xC2, - 0xC4, 0xB3, 0xBF, 0xC2, 0xB2, 0xCF, 0xD1, - 0xC6, 0x00, 0x64, 0x00, 0x64, 0x00, 0x8D -}; - -static const unsigned int s6e63m0_19_90[] = { - 0x18, 0x08, 0x24, 0x74, 0x60, 0x4A, 0xC3, - 0xC6, 0xB5, 0xBF, 0xC3, 0xB2, 0xD2, 0xD3, - 0xC8, 0x00, 0x5B, 0x00, 0x5B, 0x00, 0x81 -}; - -static const unsigned int s6e63m0_19_30[] = { - 0x18, 0x08, 0x24, 0x84, 0x45, 0x4F, 0xCA, - 0xCB, 0xBC, 0xC9, 0xCB, 0xBC, 0xDA, 0xDA, - 0xD0, 0x00, 0x35, 0x00, 0x34, 0x00, 0x4E -}; - -/* gamma value: 1.7 */ -static const unsigned int s6e63m0_17_300[] = { - 0x18, 0x08, 0x24, 0x70, 0x70, 0x4F, 0xBF, - 0xC2, 0xB2, 0xB8, 0xBC, 0xAC, 0xCB, 0xCD, - 0xC3, 0x00, 0xA0, 0x00, 0xA4, 0x00, 0xDB -}; - -static const unsigned int s6e63m0_17_280[] = { - 0x18, 0x08, 0x24, 0x71, 0x71, 0x50, 0xBF, - 0xC2, 0xB2, 0xBA, 0xBE, 0xAE, 0xCB, 0xCD, - 0xC3, 0x00, 0x9C, 0x00, 0x9F, 0x00, 0xD6 -}; - -static const unsigned int s6e63m0_17_260[] = { - 0x18, 0x08, 0x24, 0x72, 0x72, 0x50, 0xC0, - 0xC3, 0xB4, 0xB9, 0xBE, 0xAE, 0xCC, 0xCF, - 0xC4, 0x00, 0x97, 0x00, 0x9A, 0x00, 0xD1 -}; - -static const unsigned int s6e63m0_17_240[] = { - 0x18, 0x08, 0x24, 0x71, 0x72, 0x4F, 0xC2, - 0xC4, 0xB5, 0xBB, 0xBF, 0xB0, 0xCC, 0xCF, - 0xC3, 0x00, 0x91, 0x00, 0x95, 0x00, 0xCA -}; - -static const unsigned int s6e63m0_17_220[] = { - 0x18, 0x08, 0x24, 0x71, 0x73, 0x4F, 0xC2, - 0xC5, 0xB5, 0xBD, 0xC0, 0xB2, 0xCD, 0xD1, - 0xC5, 0x00, 0x8B, 0x00, 0x8E, 0x00, 0xC2 -}; - -static const unsigned int s6e63m0_17_200[] = { - 0x18, 0x08, 0x24, 0x72, 0x75, 0x51, 0xC2, - 0xC6, 0xB5, 0xBF, 0xC1, 0xB3, 0xCE, 0xD1, - 0xC6, 0x00, 0x85, 0x00, 0x88, 0x00, 0xBA -}; - -static const unsigned int s6e63m0_17_170[] = { - 0x18, 0x08, 0x24, 0x75, 0x77, 0x54, 0xC3, - 0xC7, 0xB7, 0xC0, 0xC3, 0xB4, 0xD1, 0xD3, - 0xC9, 0x00, 0x7B, 0x00, 0x7E, 0x00, 0xAB -}; - -static const unsigned int s6e63m0_17_140[] = { - 0x18, 0x08, 0x24, 0x7B, 0x77, 0x58, 0xC3, - 0xC8, 0xB8, 0xC2, 0xC6, 0xB6, 0xD3, 0xD4, - 0xCA, 0x00, 0x71, 0x00, 0x73, 0x00, 0x9E -}; - -static const unsigned int s6e63m0_17_110[] = { - 0x18, 0x08, 0x24, 0x81, 0x7B, 0x5D, 0xC6, - 0xCA, 0xBB, 0xC3, 0xC7, 0xB8, 0xD6, 0xD8, - 0xCD, 0x00, 0x65, 0x00, 0x67, 0x00, 0x8D -}; - -static const unsigned int s6e63m0_17_90[] = { - 0x18, 0x08, 0x24, 0x82, 0x7A, 0x5B, 0xC8, - 0xCB, 0xBD, 0xC5, 0xCA, 0xBA, 0xD6, 0xD8, - 0xCE, 0x00, 0x5D, 0x00, 0x5E, 0x00, 0x82 -}; - -static const unsigned int s6e63m0_17_30[] = { - 0x18, 0x08, 0x24, 0x8F, 0x73, 0x63, 0xD1, - 0xD0, 0xC5, 0xCC, 0xD1, 0xC2, 0xDE, 0xE0, - 0xD6, 0x00, 0x39, 0x00, 0x36, 0x00, 0x51 -}; - -struct s6e63m0_gamma { - unsigned int *gamma_22_table[MAX_GAMMA_LEVEL]; - unsigned int *gamma_19_table[MAX_GAMMA_LEVEL]; - unsigned int *gamma_17_table[MAX_GAMMA_LEVEL]; -}; - -static struct s6e63m0_gamma gamma_table = { - .gamma_22_table[0] = (unsigned int *)&s6e63m0_22_30, - .gamma_22_table[1] = (unsigned int *)&s6e63m0_22_90, - .gamma_22_table[2] = (unsigned int *)&s6e63m0_22_110, - .gamma_22_table[3] = (unsigned int *)&s6e63m0_22_140, - .gamma_22_table[4] = (unsigned int *)&s6e63m0_22_170, - .gamma_22_table[5] = (unsigned int *)&s6e63m0_22_200, - .gamma_22_table[6] = (unsigned int *)&s6e63m0_22_220, - .gamma_22_table[7] = (unsigned int *)&s6e63m0_22_240, - .gamma_22_table[8] = (unsigned int *)&s6e63m0_22_260, - .gamma_22_table[9] = (unsigned int *)&s6e63m0_22_280, - .gamma_22_table[10] = (unsigned int *)&s6e63m0_22_300, - - .gamma_19_table[0] = (unsigned int *)&s6e63m0_19_30, - .gamma_19_table[1] = (unsigned int *)&s6e63m0_19_90, - .gamma_19_table[2] = (unsigned int *)&s6e63m0_19_110, - .gamma_19_table[3] = (unsigned int *)&s6e63m0_19_140, - .gamma_19_table[4] = (unsigned int *)&s6e63m0_19_170, - .gamma_19_table[5] = (unsigned int *)&s6e63m0_19_200, - .gamma_19_table[6] = (unsigned int *)&s6e63m0_19_220, - .gamma_19_table[7] = (unsigned int *)&s6e63m0_19_240, - .gamma_19_table[8] = (unsigned int *)&s6e63m0_19_260, - .gamma_19_table[9] = (unsigned int *)&s6e63m0_19_280, - .gamma_19_table[10] = (unsigned int *)&s6e63m0_19_300, - - .gamma_17_table[0] = (unsigned int *)&s6e63m0_17_30, - .gamma_17_table[1] = (unsigned int *)&s6e63m0_17_90, - .gamma_17_table[2] = (unsigned int *)&s6e63m0_17_110, - .gamma_17_table[3] = (unsigned int *)&s6e63m0_17_140, - .gamma_17_table[4] = (unsigned int *)&s6e63m0_17_170, - .gamma_17_table[5] = (unsigned int *)&s6e63m0_17_200, - .gamma_17_table[6] = (unsigned int *)&s6e63m0_17_220, - .gamma_17_table[7] = (unsigned int *)&s6e63m0_17_240, - .gamma_17_table[8] = (unsigned int *)&s6e63m0_17_260, - .gamma_17_table[9] = (unsigned int *)&s6e63m0_17_280, - .gamma_17_table[10] = (unsigned int *)&s6e63m0_17_300, -}; - -#endif - diff --git a/ANDROID_3.4.5/drivers/video/backlight/tdo24m.c b/ANDROID_3.4.5/drivers/video/backlight/tdo24m.c deleted file mode 100644 index 2368b8e5..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/tdo24m.c +++ /dev/null @@ -1,467 +0,0 @@ -/* - * tdo24m - SPI-based drivers for Toppoly TDO24M series LCD panels - * - * Copyright (C) 2008 Marvell International Ltd. - * Eric Miao <eric.miao@marvell.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * publishhed by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/device.h> -#include <linux/spi/spi.h> -#include <linux/spi/tdo24m.h> -#include <linux/fb.h> -#include <linux/lcd.h> -#include <linux/slab.h> - -#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL) - -#define TDO24M_SPI_BUFF_SIZE (4) -#define MODE_QVGA 0 -#define MODE_VGA 1 - -struct tdo24m { - struct spi_device *spi_dev; - struct lcd_device *lcd_dev; - - struct spi_message msg; - struct spi_transfer xfer; - uint8_t *buf; - - int (*adj_mode)(struct tdo24m *lcd, int mode); - int color_invert; - - int power; - int mode; -}; - -/* use bit 30, 31 as the indicator of command parameter number */ -#define CMD0(x) ((0 << 30) | (x)) -#define CMD1(x, x1) ((1 << 30) | ((x) << 9) | 0x100 | (x1)) -#define CMD2(x, x1, x2) ((2 << 30) | ((x) << 18) | 0x20000 |\ - ((x1) << 9) | 0x100 | (x2)) -#define CMD_NULL (-1) - -static uint32_t lcd_panel_reset[] = { - CMD0(0x1), /* reset */ - CMD0(0x0), /* nop */ - CMD0(0x0), /* nop */ - CMD0(0x0), /* nop */ - CMD_NULL, -}; - -static uint32_t lcd_panel_on[] = { - CMD0(0x29), /* Display ON */ - CMD2(0xB8, 0xFF, 0xF9), /* Output Control */ - CMD0(0x11), /* Sleep out */ - CMD1(0xB0, 0x16), /* Wake */ - CMD_NULL, -}; - -static uint32_t lcd_panel_off[] = { - CMD0(0x28), /* Display OFF */ - CMD2(0xB8, 0x80, 0x02), /* Output Control */ - CMD0(0x10), /* Sleep in */ - CMD1(0xB0, 0x00), /* Deep stand by in */ - CMD_NULL, -}; - -static uint32_t lcd_vga_pass_through_tdo24m[] = { - CMD1(0xB0, 0x16), - CMD1(0xBC, 0x80), - CMD1(0xE1, 0x00), - CMD1(0x36, 0x50), - CMD1(0x3B, 0x00), - CMD_NULL, -}; - -static uint32_t lcd_qvga_pass_through_tdo24m[] = { - CMD1(0xB0, 0x16), - CMD1(0xBC, 0x81), - CMD1(0xE1, 0x00), - CMD1(0x36, 0x50), - CMD1(0x3B, 0x22), - CMD_NULL, -}; - -static uint32_t lcd_vga_transfer_tdo24m[] = { - CMD1(0xcf, 0x02), /* Blanking period control (1) */ - CMD2(0xd0, 0x08, 0x04), /* Blanking period control (2) */ - CMD1(0xd1, 0x01), /* CKV timing control on/off */ - CMD2(0xd2, 0x14, 0x00), /* CKV 1,2 timing control */ - CMD2(0xd3, 0x1a, 0x0f), /* OEV timing control */ - CMD2(0xd4, 0x1f, 0xaf), /* ASW timing control (1) */ - CMD1(0xd5, 0x14), /* ASW timing control (2) */ - CMD0(0x21), /* Invert for normally black display */ - CMD0(0x29), /* Display on */ - CMD_NULL, -}; - -static uint32_t lcd_qvga_transfer[] = { - CMD1(0xd6, 0x02), /* Blanking period control (1) */ - CMD2(0xd7, 0x08, 0x04), /* Blanking period control (2) */ - CMD1(0xd8, 0x01), /* CKV timing control on/off */ - CMD2(0xd9, 0x00, 0x08), /* CKV 1,2 timing control */ - CMD2(0xde, 0x05, 0x0a), /* OEV timing control */ - CMD2(0xdf, 0x0a, 0x19), /* ASW timing control (1) */ - CMD1(0xe0, 0x0a), /* ASW timing control (2) */ - CMD0(0x21), /* Invert for normally black display */ - CMD0(0x29), /* Display on */ - CMD_NULL, -}; - -static uint32_t lcd_vga_pass_through_tdo35s[] = { - CMD1(0xB0, 0x16), - CMD1(0xBC, 0x80), - CMD1(0xE1, 0x00), - CMD1(0x3B, 0x00), - CMD_NULL, -}; - -static uint32_t lcd_qvga_pass_through_tdo35s[] = { - CMD1(0xB0, 0x16), - CMD1(0xBC, 0x81), - CMD1(0xE1, 0x00), - CMD1(0x3B, 0x22), - CMD_NULL, -}; - -static uint32_t lcd_vga_transfer_tdo35s[] = { - CMD1(0xcf, 0x02), /* Blanking period control (1) */ - CMD2(0xd0, 0x08, 0x04), /* Blanking period control (2) */ - CMD1(0xd1, 0x01), /* CKV timing control on/off */ - CMD2(0xd2, 0x00, 0x1e), /* CKV 1,2 timing control */ - CMD2(0xd3, 0x14, 0x28), /* OEV timing control */ - CMD2(0xd4, 0x28, 0x64), /* ASW timing control (1) */ - CMD1(0xd5, 0x28), /* ASW timing control (2) */ - CMD0(0x21), /* Invert for normally black display */ - CMD0(0x29), /* Display on */ - CMD_NULL, -}; - -static uint32_t lcd_panel_config[] = { - CMD2(0xb8, 0xff, 0xf9), /* Output control */ - CMD0(0x11), /* sleep out */ - CMD1(0xba, 0x01), /* Display mode (1) */ - CMD1(0xbb, 0x00), /* Display mode (2) */ - CMD1(0x3a, 0x60), /* Display mode 18-bit RGB */ - CMD1(0xbf, 0x10), /* Drive system change control */ - CMD1(0xb1, 0x56), /* Booster operation setup */ - CMD1(0xb2, 0x33), /* Booster mode setup */ - CMD1(0xb3, 0x11), /* Booster frequency setup */ - CMD1(0xb4, 0x02), /* Op amp/system clock */ - CMD1(0xb5, 0x35), /* VCS voltage */ - CMD1(0xb6, 0x40), /* VCOM voltage */ - CMD1(0xb7, 0x03), /* External display signal */ - CMD1(0xbd, 0x00), /* ASW slew rate */ - CMD1(0xbe, 0x00), /* Dummy data for QuadData operation */ - CMD1(0xc0, 0x11), /* Sleep out FR count (A) */ - CMD1(0xc1, 0x11), /* Sleep out FR count (B) */ - CMD1(0xc2, 0x11), /* Sleep out FR count (C) */ - CMD2(0xc3, 0x20, 0x40), /* Sleep out FR count (D) */ - CMD2(0xc4, 0x60, 0xc0), /* Sleep out FR count (E) */ - CMD2(0xc5, 0x10, 0x20), /* Sleep out FR count (F) */ - CMD1(0xc6, 0xc0), /* Sleep out FR count (G) */ - CMD2(0xc7, 0x33, 0x43), /* Gamma 1 fine tuning (1) */ - CMD1(0xc8, 0x44), /* Gamma 1 fine tuning (2) */ - CMD1(0xc9, 0x33), /* Gamma 1 inclination adjustment */ - CMD1(0xca, 0x00), /* Gamma 1 blue offset adjustment */ - CMD2(0xec, 0x01, 0xf0), /* Horizontal clock cycles */ - CMD_NULL, -}; - -static int tdo24m_writes(struct tdo24m *lcd, uint32_t *array) -{ - struct spi_transfer *x = &lcd->xfer; - uint32_t data, *p = array; - int nparams, err = 0; - - for (; *p != CMD_NULL; p++) { - if (!lcd->color_invert && *p == CMD0(0x21)) - continue; - - nparams = (*p >> 30) & 0x3; - - data = *p << (7 - nparams); - switch (nparams) { - case 0: - lcd->buf[0] = (data >> 8) & 0xff; - lcd->buf[1] = data & 0xff; - break; - case 1: - lcd->buf[0] = (data >> 16) & 0xff; - lcd->buf[1] = (data >> 8) & 0xff; - lcd->buf[2] = data & 0xff; - break; - case 2: - lcd->buf[0] = (data >> 24) & 0xff; - lcd->buf[1] = (data >> 16) & 0xff; - lcd->buf[2] = (data >> 8) & 0xff; - lcd->buf[3] = data & 0xff; - break; - default: - continue; - } - x->len = nparams + 2; - err = spi_sync(lcd->spi_dev, &lcd->msg); - if (err) - break; - } - - return err; -} - -static int tdo24m_adj_mode(struct tdo24m *lcd, int mode) -{ - switch (mode) { - case MODE_VGA: - tdo24m_writes(lcd, lcd_vga_pass_through_tdo24m); - tdo24m_writes(lcd, lcd_panel_config); - tdo24m_writes(lcd, lcd_vga_transfer_tdo24m); - break; - case MODE_QVGA: - tdo24m_writes(lcd, lcd_qvga_pass_through_tdo24m); - tdo24m_writes(lcd, lcd_panel_config); - tdo24m_writes(lcd, lcd_qvga_transfer); - break; - default: - return -EINVAL; - } - - lcd->mode = mode; - return 0; -} - -static int tdo35s_adj_mode(struct tdo24m *lcd, int mode) -{ - switch (mode) { - case MODE_VGA: - tdo24m_writes(lcd, lcd_vga_pass_through_tdo35s); - tdo24m_writes(lcd, lcd_panel_config); - tdo24m_writes(lcd, lcd_vga_transfer_tdo35s); - break; - case MODE_QVGA: - tdo24m_writes(lcd, lcd_qvga_pass_through_tdo35s); - tdo24m_writes(lcd, lcd_panel_config); - tdo24m_writes(lcd, lcd_qvga_transfer); - break; - default: - return -EINVAL; - } - - lcd->mode = mode; - return 0; -} - -static int tdo24m_power_on(struct tdo24m *lcd) -{ - int err; - - err = tdo24m_writes(lcd, lcd_panel_on); - if (err) - goto out; - - err = tdo24m_writes(lcd, lcd_panel_reset); - if (err) - goto out; - - err = lcd->adj_mode(lcd, lcd->mode); -out: - return err; -} - -static int tdo24m_power_off(struct tdo24m *lcd) -{ - return tdo24m_writes(lcd, lcd_panel_off); -} - -static int tdo24m_power(struct tdo24m *lcd, int power) -{ - int ret = 0; - - if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power)) - ret = tdo24m_power_on(lcd); - else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power)) - ret = tdo24m_power_off(lcd); - - if (!ret) - lcd->power = power; - - return ret; -} - - -static int tdo24m_set_power(struct lcd_device *ld, int power) -{ - struct tdo24m *lcd = lcd_get_data(ld); - return tdo24m_power(lcd, power); -} - -static int tdo24m_get_power(struct lcd_device *ld) -{ - struct tdo24m *lcd = lcd_get_data(ld); - return lcd->power; -} - -static int tdo24m_set_mode(struct lcd_device *ld, struct fb_videomode *m) -{ - struct tdo24m *lcd = lcd_get_data(ld); - int mode = MODE_QVGA; - - if (m->xres == 640 || m->xres == 480) - mode = MODE_VGA; - - if (lcd->mode == mode) - return 0; - - return lcd->adj_mode(lcd, mode); -} - -static struct lcd_ops tdo24m_ops = { - .get_power = tdo24m_get_power, - .set_power = tdo24m_set_power, - .set_mode = tdo24m_set_mode, -}; - -static int __devinit tdo24m_probe(struct spi_device *spi) -{ - struct tdo24m *lcd; - struct spi_message *m; - struct spi_transfer *x; - struct tdo24m_platform_data *pdata; - enum tdo24m_model model; - int err; - - pdata = spi->dev.platform_data; - if (pdata) - model = pdata->model; - else - model = TDO24M; - - spi->bits_per_word = 8; - spi->mode = SPI_MODE_3; - err = spi_setup(spi); - if (err) - return err; - - lcd = kzalloc(sizeof(struct tdo24m), GFP_KERNEL); - if (!lcd) - return -ENOMEM; - - lcd->spi_dev = spi; - lcd->power = FB_BLANK_POWERDOWN; - lcd->mode = MODE_VGA; /* default to VGA */ - - lcd->buf = kmalloc(TDO24M_SPI_BUFF_SIZE, GFP_KERNEL); - if (lcd->buf == NULL) { - kfree(lcd); - return -ENOMEM; - } - - m = &lcd->msg; - x = &lcd->xfer; - - spi_message_init(m); - - x->cs_change = 1; - x->tx_buf = &lcd->buf[0]; - spi_message_add_tail(x, m); - - switch (model) { - case TDO24M: - lcd->color_invert = 1; - lcd->adj_mode = tdo24m_adj_mode; - break; - case TDO35S: - lcd->adj_mode = tdo35s_adj_mode; - lcd->color_invert = 0; - break; - default: - dev_err(&spi->dev, "Unsupported model"); - goto out_free; - } - - lcd->lcd_dev = lcd_device_register("tdo24m", &spi->dev, - lcd, &tdo24m_ops); - if (IS_ERR(lcd->lcd_dev)) { - err = PTR_ERR(lcd->lcd_dev); - goto out_free; - } - - dev_set_drvdata(&spi->dev, lcd); - err = tdo24m_power(lcd, FB_BLANK_UNBLANK); - if (err) - goto out_unregister; - - return 0; - -out_unregister: - lcd_device_unregister(lcd->lcd_dev); -out_free: - kfree(lcd->buf); - kfree(lcd); - return err; -} - -static int __devexit tdo24m_remove(struct spi_device *spi) -{ - struct tdo24m *lcd = dev_get_drvdata(&spi->dev); - - tdo24m_power(lcd, FB_BLANK_POWERDOWN); - lcd_device_unregister(lcd->lcd_dev); - kfree(lcd->buf); - kfree(lcd); - - return 0; -} - -#ifdef CONFIG_PM -static int tdo24m_suspend(struct spi_device *spi, pm_message_t state) -{ - struct tdo24m *lcd = dev_get_drvdata(&spi->dev); - - return tdo24m_power(lcd, FB_BLANK_POWERDOWN); -} - -static int tdo24m_resume(struct spi_device *spi) -{ - struct tdo24m *lcd = dev_get_drvdata(&spi->dev); - - return tdo24m_power(lcd, FB_BLANK_UNBLANK); -} -#else -#define tdo24m_suspend NULL -#define tdo24m_resume NULL -#endif - -/* Power down all displays on reboot, poweroff or halt */ -static void tdo24m_shutdown(struct spi_device *spi) -{ - struct tdo24m *lcd = dev_get_drvdata(&spi->dev); - - tdo24m_power(lcd, FB_BLANK_POWERDOWN); -} - -static struct spi_driver tdo24m_driver = { - .driver = { - .name = "tdo24m", - .owner = THIS_MODULE, - }, - .probe = tdo24m_probe, - .remove = __devexit_p(tdo24m_remove), - .shutdown = tdo24m_shutdown, - .suspend = tdo24m_suspend, - .resume = tdo24m_resume, -}; - -module_spi_driver(tdo24m_driver); - -MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"); -MODULE_DESCRIPTION("Driver for Toppoly TDO24M LCD Panel"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("spi:tdo24m"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/tosa_bl.c b/ANDROID_3.4.5/drivers/video/backlight/tosa_bl.c deleted file mode 100644 index 2b241abc..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/tosa_bl.c +++ /dev/null @@ -1,189 +0,0 @@ -/* - * LCD / Backlight control code for Sharp SL-6000x (tosa) - * - * Copyright (c) 2005 Dirk Opfer - * Copyright (c) 2007,2008 Dmitry Baryshkov - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/spi/spi.h> -#include <linux/i2c.h> -#include <linux/gpio.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/slab.h> - -#include <asm/mach/sharpsl_param.h> - -#include <mach/tosa.h> - -#define COMADJ_DEFAULT 97 - -#define DAC_CH1 0 -#define DAC_CH2 1 - -struct tosa_bl_data { - struct i2c_client *i2c; - struct backlight_device *bl; - - int comadj; -}; - -static void tosa_bl_set_backlight(struct tosa_bl_data *data, int brightness) -{ - struct spi_device *spi = data->i2c->dev.platform_data; - - i2c_smbus_write_byte_data(data->i2c, DAC_CH1, data->comadj); - - /* SetBacklightDuty */ - i2c_smbus_write_byte_data(data->i2c, DAC_CH2, (u8)(brightness & 0xff)); - - /* SetBacklightVR */ - gpio_set_value(TOSA_GPIO_BL_C20MA, brightness & 0x100); - - tosa_bl_enable(spi, brightness); -} - -static int tosa_bl_update_status(struct backlight_device *dev) -{ - struct backlight_properties *props = &dev->props; - struct tosa_bl_data *data = dev_get_drvdata(&dev->dev); - int power = max(props->power, props->fb_blank); - int brightness = props->brightness; - - if (power) - brightness = 0; - - tosa_bl_set_backlight(data, brightness); - - return 0; -} - -static int tosa_bl_get_brightness(struct backlight_device *dev) -{ - struct backlight_properties *props = &dev->props; - - return props->brightness; -} - -static const struct backlight_ops bl_ops = { - .get_brightness = tosa_bl_get_brightness, - .update_status = tosa_bl_update_status, -}; - -static int __devinit tosa_bl_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct backlight_properties props; - struct tosa_bl_data *data = kzalloc(sizeof(struct tosa_bl_data), GFP_KERNEL); - int ret = 0; - if (!data) - return -ENOMEM; - - data->comadj = sharpsl_param.comadj == -1 ? COMADJ_DEFAULT : sharpsl_param.comadj; - - ret = gpio_request(TOSA_GPIO_BL_C20MA, "backlight"); - if (ret) { - dev_dbg(&data->bl->dev, "Unable to request gpio!\n"); - goto err_gpio_bl; - } - ret = gpio_direction_output(TOSA_GPIO_BL_C20MA, 0); - if (ret) - goto err_gpio_dir; - - i2c_set_clientdata(client, data); - data->i2c = client; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = 512 - 1; - data->bl = backlight_device_register("tosa-bl", &client->dev, data, - &bl_ops, &props); - if (IS_ERR(data->bl)) { - ret = PTR_ERR(data->bl); - goto err_reg; - } - - data->bl->props.brightness = 69; - data->bl->props.power = FB_BLANK_UNBLANK; - - backlight_update_status(data->bl); - - return 0; - -err_reg: - data->bl = NULL; -err_gpio_dir: - gpio_free(TOSA_GPIO_BL_C20MA); -err_gpio_bl: - kfree(data); - return ret; -} - -static int __devexit tosa_bl_remove(struct i2c_client *client) -{ - struct tosa_bl_data *data = i2c_get_clientdata(client); - - backlight_device_unregister(data->bl); - data->bl = NULL; - - gpio_free(TOSA_GPIO_BL_C20MA); - - kfree(data); - - return 0; -} - -#ifdef CONFIG_PM -static int tosa_bl_suspend(struct i2c_client *client, pm_message_t pm) -{ - struct tosa_bl_data *data = i2c_get_clientdata(client); - - tosa_bl_set_backlight(data, 0); - - return 0; -} - -static int tosa_bl_resume(struct i2c_client *client) -{ - struct tosa_bl_data *data = i2c_get_clientdata(client); - - backlight_update_status(data->bl); - return 0; -} -#else -#define tosa_bl_suspend NULL -#define tosa_bl_resume NULL -#endif - -static const struct i2c_device_id tosa_bl_id[] = { - { "tosa-bl", 0 }, - { }, -}; - - -static struct i2c_driver tosa_bl_driver = { - .driver = { - .name = "tosa-bl", - .owner = THIS_MODULE, - }, - .probe = tosa_bl_probe, - .remove = __devexit_p(tosa_bl_remove), - .suspend = tosa_bl_suspend, - .resume = tosa_bl_resume, - .id_table = tosa_bl_id, -}; - -module_i2c_driver(tosa_bl_driver); - -MODULE_AUTHOR("Dmitry Baryshkov"); -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("LCD/Backlight control for Sharp SL-6000 PDA"); - diff --git a/ANDROID_3.4.5/drivers/video/backlight/tosa_lcd.c b/ANDROID_3.4.5/drivers/video/backlight/tosa_lcd.c deleted file mode 100644 index 2231aec2..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/tosa_lcd.c +++ /dev/null @@ -1,293 +0,0 @@ -/* - * LCD / Backlight control code for Sharp SL-6000x (tosa) - * - * Copyright (c) 2005 Dirk Opfer - * Copyright (c) 2007,2008 Dmitry Baryshkov - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/spi/spi.h> -#include <linux/i2c.h> -#include <linux/slab.h> -#include <linux/gpio.h> -#include <linux/delay.h> -#include <linux/lcd.h> -#include <linux/fb.h> - -#include <asm/mach/sharpsl_param.h> - -#include <mach/tosa.h> - -#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL) - -#define TG_REG0_VQV 0x0001 -#define TG_REG0_COLOR 0x0002 -#define TG_REG0_UD 0x0004 -#define TG_REG0_LR 0x0008 - -#define DAC_BASE 0x4e - -struct tosa_lcd_data { - struct spi_device *spi; - struct lcd_device *lcd; - struct i2c_client *i2c; - - int lcd_power; - bool is_vga; -}; - -static int tosa_tg_send(struct spi_device *spi, int adrs, uint8_t data) -{ - u8 buf[1]; - struct spi_message msg; - struct spi_transfer xfer = { - .len = 1, - .cs_change = 1, - .tx_buf = buf, - }; - - buf[0] = ((adrs & 0x07) << 5) | (data & 0x1f); - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - - return spi_sync(spi, &msg); -} - -int tosa_bl_enable(struct spi_device *spi, int enable) -{ - /* bl_enable GP04=1 otherwise GP04=0*/ - return tosa_tg_send(spi, TG_GPODR2, enable? 0x01 : 0x00); -} -EXPORT_SYMBOL(tosa_bl_enable); - -static void tosa_lcd_tg_init(struct tosa_lcd_data *data) -{ - /* TG on */ - gpio_set_value(TOSA_GPIO_TG_ON, 0); - - mdelay(60); - - /* delayed 0clk TCTL signal for VGA */ - tosa_tg_send(data->spi, TG_TPOSCTL, 0x00); - /* GPOS0=powercontrol, GPOS1=GPIO, GPOS2=TCTL */ - tosa_tg_send(data->spi, TG_GPOSR, 0x02); -} - -static void tosa_lcd_tg_on(struct tosa_lcd_data *data) -{ - struct spi_device *spi = data->spi; - int value = TG_REG0_COLOR | TG_REG0_UD | TG_REG0_LR; - - if (data->is_vga) - value |= TG_REG0_VQV; - - tosa_tg_send(spi, TG_PNLCTL, value); - - /* TG LCD pannel power up */ - tosa_tg_send(spi, TG_PINICTL,0x4); - mdelay(50); - - /* TG LCD GVSS */ - tosa_tg_send(spi, TG_PINICTL,0x0); - - if (!data->i2c) { - /* after the pannel is powered up the first time, we can access the i2c bus */ - /* so probe for the DAC */ - struct i2c_adapter *adap = i2c_get_adapter(0); - struct i2c_board_info info = { - .type = "tosa-bl", - .addr = DAC_BASE, - .platform_data = data->spi, - }; - data->i2c = i2c_new_device(adap, &info); - } -} - -static void tosa_lcd_tg_off(struct tosa_lcd_data *data) -{ - struct spi_device *spi = data->spi; - - /* TG LCD VHSA off */ - tosa_tg_send(spi, TG_PINICTL,0x4); - mdelay(50); - - /* TG LCD signal off */ - tosa_tg_send(spi, TG_PINICTL,0x6); - mdelay(50); - - /* TG Off */ - gpio_set_value(TOSA_GPIO_TG_ON, 1); - mdelay(100); -} - -int tosa_lcd_set_power(struct lcd_device *lcd, int power) -{ - struct tosa_lcd_data *data = lcd_get_data(lcd); - - if (POWER_IS_ON(power) && !POWER_IS_ON(data->lcd_power)) - tosa_lcd_tg_on(data); - - if (!POWER_IS_ON(power) && POWER_IS_ON(data->lcd_power)) - tosa_lcd_tg_off(data); - - data->lcd_power = power; - return 0; -} - -static int tosa_lcd_get_power(struct lcd_device *lcd) -{ - struct tosa_lcd_data *data = lcd_get_data(lcd); - - return data->lcd_power; -} - -static int tosa_lcd_set_mode(struct lcd_device *lcd, struct fb_videomode *mode) -{ - struct tosa_lcd_data *data = lcd_get_data(lcd); - - if (mode->xres == 320 || mode->yres == 320) - data->is_vga = false; - else - data->is_vga = true; - - if (POWER_IS_ON(data->lcd_power)) - tosa_lcd_tg_on(data); - - return 0; -} - -static struct lcd_ops tosa_lcd_ops = { - .set_power = tosa_lcd_set_power, - .get_power = tosa_lcd_get_power, - .set_mode = tosa_lcd_set_mode, -}; - -static int __devinit tosa_lcd_probe(struct spi_device *spi) -{ - int ret; - struct tosa_lcd_data *data; - - data = kzalloc(sizeof(struct tosa_lcd_data), GFP_KERNEL); - if (!data) - return -ENOMEM; - - data->is_vga = true; /* default to VGA mode */ - - /* - * bits_per_word cannot be configured in platform data - */ - spi->bits_per_word = 8; - - ret = spi_setup(spi); - if (ret < 0) - goto err_spi; - - data->spi = spi; - dev_set_drvdata(&spi->dev, data); - - ret = gpio_request(TOSA_GPIO_TG_ON, "tg #pwr"); - if (ret < 0) - goto err_gpio_tg; - - mdelay(60); - - ret = gpio_direction_output(TOSA_GPIO_TG_ON, 0); - if (ret < 0) - goto err_gpio_dir; - - mdelay(60); - tosa_lcd_tg_init(data); - - tosa_lcd_tg_on(data); - - data->lcd = lcd_device_register("tosa-lcd", &spi->dev, data, - &tosa_lcd_ops); - - if (IS_ERR(data->lcd)) { - ret = PTR_ERR(data->lcd); - data->lcd = NULL; - goto err_register; - } - - return 0; - -err_register: - tosa_lcd_tg_off(data); -err_gpio_dir: - gpio_free(TOSA_GPIO_TG_ON); -err_gpio_tg: - dev_set_drvdata(&spi->dev, NULL); -err_spi: - kfree(data); - return ret; -} - -static int __devexit tosa_lcd_remove(struct spi_device *spi) -{ - struct tosa_lcd_data *data = dev_get_drvdata(&spi->dev); - - lcd_device_unregister(data->lcd); - - if (data->i2c) - i2c_unregister_device(data->i2c); - - tosa_lcd_tg_off(data); - - gpio_free(TOSA_GPIO_TG_ON); - dev_set_drvdata(&spi->dev, NULL); - kfree(data); - - return 0; -} - -#ifdef CONFIG_PM -static int tosa_lcd_suspend(struct spi_device *spi, pm_message_t state) -{ - struct tosa_lcd_data *data = dev_get_drvdata(&spi->dev); - - tosa_lcd_tg_off(data); - - return 0; -} - -static int tosa_lcd_resume(struct spi_device *spi) -{ - struct tosa_lcd_data *data = dev_get_drvdata(&spi->dev); - - tosa_lcd_tg_init(data); - if (POWER_IS_ON(data->lcd_power)) - tosa_lcd_tg_on(data); - else - tosa_lcd_tg_off(data); - - return 0; -} -#else -#define tosa_lcd_suspend NULL -#define tosa_lcd_resume NULL -#endif - -static struct spi_driver tosa_lcd_driver = { - .driver = { - .name = "tosa-lcd", - .owner = THIS_MODULE, - }, - .probe = tosa_lcd_probe, - .remove = __devexit_p(tosa_lcd_remove), - .suspend = tosa_lcd_suspend, - .resume = tosa_lcd_resume, -}; - -module_spi_driver(tosa_lcd_driver); - -MODULE_AUTHOR("Dmitry Baryshkov"); -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("LCD/Backlight control for Sharp SL-6000 PDA"); -MODULE_ALIAS("spi:tosa-lcd"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/vgg2432a4.c b/ANDROID_3.4.5/drivers/video/backlight/vgg2432a4.c deleted file mode 100644 index b617fae9..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/vgg2432a4.c +++ /dev/null @@ -1,270 +0,0 @@ -/* drivers/video/backlight/vgg2432a4.c - * - * VGG2432A4 (ILI9320) LCD controller driver. - * - * Copyright 2007 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/delay.h> -#include <linux/err.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/lcd.h> -#include <linux/module.h> - -#include <linux/spi/spi.h> - -#include <video/ili9320.h> - -#include "ili9320.h" - -/* Device initialisation sequences */ - -static struct ili9320_reg vgg_init1[] = { - { - .address = ILI9320_POWER1, - .value = ILI9320_POWER1_AP(0) | ILI9320_POWER1_BT(0), - }, { - .address = ILI9320_POWER2, - .value = (ILI9320_POWER2_VC(7) | - ILI9320_POWER2_DC0(0) | ILI9320_POWER2_DC1(0)), - }, { - .address = ILI9320_POWER3, - .value = ILI9320_POWER3_VRH(0), - }, { - .address = ILI9320_POWER4, - .value = ILI9320_POWER4_VREOUT(0), - }, -}; - -static struct ili9320_reg vgg_init2[] = { - { - .address = ILI9320_POWER1, - .value = (ILI9320_POWER1_AP(3) | ILI9320_POWER1_APE | - ILI9320_POWER1_BT(7) | ILI9320_POWER1_SAP), - }, { - .address = ILI9320_POWER2, - .value = ILI9320_POWER2_VC(7) | ILI9320_POWER2_DC0(3), - } -}; - -static struct ili9320_reg vgg_gamma[] = { - { - .address = ILI9320_GAMMA1, - .value = 0x0000, - }, { - .address = ILI9320_GAMMA2, - .value = 0x0505, - }, { - .address = ILI9320_GAMMA3, - .value = 0x0004, - }, { - .address = ILI9320_GAMMA4, - .value = 0x0006, - }, { - .address = ILI9320_GAMMA5, - .value = 0x0707, - }, { - .address = ILI9320_GAMMA6, - .value = 0x0105, - }, { - .address = ILI9320_GAMMA7, - .value = 0x0002, - }, { - .address = ILI9320_GAMMA8, - .value = 0x0707, - }, { - .address = ILI9320_GAMMA9, - .value = 0x0704, - }, { - .address = ILI9320_GAMMA10, - .value = 0x807, - } - -}; - -static struct ili9320_reg vgg_init0[] = { - [0] = { - /* set direction and scan mode gate */ - .address = ILI9320_DRIVER, - .value = ILI9320_DRIVER_SS, - }, { - .address = ILI9320_DRIVEWAVE, - .value = (ILI9320_DRIVEWAVE_MUSTSET | - ILI9320_DRIVEWAVE_EOR | ILI9320_DRIVEWAVE_BC), - }, { - .address = ILI9320_ENTRYMODE, - .value = ILI9320_ENTRYMODE_ID(3) | ILI9320_ENTRYMODE_BGR, - }, { - .address = ILI9320_RESIZING, - .value = 0x0, - }, -}; - - -static int vgg2432a4_lcd_init(struct ili9320 *lcd, - struct ili9320_platdata *cfg) -{ - unsigned int addr; - int ret; - - /* Set VCore before anything else (VGG243237-6UFLWA) */ - ret = ili9320_write(lcd, 0x00e5, 0x8000); - if (ret) - goto err_initial; - - /* Start the oscillator up before we can do anything else. */ - ret = ili9320_write(lcd, ILI9320_OSCILATION, ILI9320_OSCILATION_OSC); - if (ret) - goto err_initial; - - /* must wait at-lesat 10ms after starting */ - mdelay(15); - - ret = ili9320_write_regs(lcd, vgg_init0, ARRAY_SIZE(vgg_init0)); - if (ret != 0) - goto err_initial; - - ili9320_write(lcd, ILI9320_DISPLAY2, cfg->display2); - ili9320_write(lcd, ILI9320_DISPLAY3, cfg->display3); - ili9320_write(lcd, ILI9320_DISPLAY4, cfg->display4); - - ili9320_write(lcd, ILI9320_RGB_IF1, cfg->rgb_if1); - ili9320_write(lcd, ILI9320_FRAMEMAKER, 0x0); - ili9320_write(lcd, ILI9320_RGB_IF2, cfg->rgb_if2); - - ret = ili9320_write_regs(lcd, vgg_init1, ARRAY_SIZE(vgg_init1)); - if (ret != 0) - goto err_vgg; - - mdelay(300); - - ret = ili9320_write_regs(lcd, vgg_init2, ARRAY_SIZE(vgg_init2)); - if (ret != 0) - goto err_vgg2; - - mdelay(100); - - ili9320_write(lcd, ILI9320_POWER3, 0x13c); - - mdelay(100); - - ili9320_write(lcd, ILI9320_POWER4, 0x1c00); - ili9320_write(lcd, ILI9320_POWER7, 0x000e); - - mdelay(100); - - ili9320_write(lcd, ILI9320_GRAM_HORIZ_ADDR, 0x00); - ili9320_write(lcd, ILI9320_GRAM_VERT_ADD, 0x00); - - ret = ili9320_write_regs(lcd, vgg_gamma, ARRAY_SIZE(vgg_gamma)); - if (ret != 0) - goto err_vgg3; - - ili9320_write(lcd, ILI9320_HORIZ_START, 0x0); - ili9320_write(lcd, ILI9320_HORIZ_END, cfg->hsize - 1); - ili9320_write(lcd, ILI9320_VERT_START, 0x0); - ili9320_write(lcd, ILI9320_VERT_END, cfg->vsize - 1); - - ili9320_write(lcd, ILI9320_DRIVER2, - ILI9320_DRIVER2_NL(((cfg->vsize - 240) / 8) + 0x1D)); - - ili9320_write(lcd, ILI9320_BASE_IMAGE, 0x1); - ili9320_write(lcd, ILI9320_VERT_SCROLL, 0x00); - - for (addr = ILI9320_PARTIAL1_POSITION; addr <= ILI9320_PARTIAL2_END; - addr++) { - ili9320_write(lcd, addr, 0x0); - } - - ili9320_write(lcd, ILI9320_INTERFACE1, 0x10); - ili9320_write(lcd, ILI9320_INTERFACE2, cfg->interface2); - ili9320_write(lcd, ILI9320_INTERFACE3, cfg->interface3); - ili9320_write(lcd, ILI9320_INTERFACE4, cfg->interface4); - ili9320_write(lcd, ILI9320_INTERFACE5, cfg->interface5); - ili9320_write(lcd, ILI9320_INTERFACE6, cfg->interface6); - - lcd->display1 = (ILI9320_DISPLAY1_D(3) | ILI9320_DISPLAY1_DTE | - ILI9320_DISPLAY1_GON | ILI9320_DISPLAY1_BASEE | - 0x40); - - ili9320_write(lcd, ILI9320_DISPLAY1, lcd->display1); - - return 0; - - err_vgg3: - err_vgg2: - err_vgg: - err_initial: - return ret; -} - -#ifdef CONFIG_PM -static int vgg2432a4_suspend(struct spi_device *spi, pm_message_t state) -{ - return ili9320_suspend(dev_get_drvdata(&spi->dev), state); -} - -static int vgg2432a4_resume(struct spi_device *spi) -{ - return ili9320_resume(dev_get_drvdata(&spi->dev)); -} -#else -#define vgg2432a4_suspend NULL -#define vgg2432a4_resume NULL -#endif - -static struct ili9320_client vgg2432a4_client = { - .name = "VGG2432A4", - .init = vgg2432a4_lcd_init, -}; - -/* Device probe */ - -static int __devinit vgg2432a4_probe(struct spi_device *spi) -{ - int ret; - - ret = ili9320_probe_spi(spi, &vgg2432a4_client); - if (ret != 0) { - dev_err(&spi->dev, "failed to initialise ili9320\n"); - return ret; - } - - return 0; -} - -static int __devexit vgg2432a4_remove(struct spi_device *spi) -{ - return ili9320_remove(dev_get_drvdata(&spi->dev)); -} - -static void vgg2432a4_shutdown(struct spi_device *spi) -{ - ili9320_shutdown(dev_get_drvdata(&spi->dev)); -} - -static struct spi_driver vgg2432a4_driver = { - .driver = { - .name = "VGG2432A4", - .owner = THIS_MODULE, - }, - .probe = vgg2432a4_probe, - .remove = __devexit_p(vgg2432a4_remove), - .shutdown = vgg2432a4_shutdown, - .suspend = vgg2432a4_suspend, - .resume = vgg2432a4_resume, -}; - -module_spi_driver(vgg2432a4_driver); - -MODULE_AUTHOR("Ben Dooks <ben-linux@fluff.org>"); -MODULE_DESCRIPTION("VGG2432A4 LCD Driver"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("spi:VGG2432A4"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/wm831x_bl.c b/ANDROID_3.4.5/drivers/video/backlight/wm831x_bl.c deleted file mode 100644 index 5d365deb..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/wm831x_bl.c +++ /dev/null @@ -1,240 +0,0 @@ -/* - * Backlight driver for Wolfson Microelectronics WM831x PMICs - * - * Copyright 2009 Wolfson Microelectonics plc - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/module.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/slab.h> - -#include <linux/mfd/wm831x/core.h> -#include <linux/mfd/wm831x/pdata.h> -#include <linux/mfd/wm831x/regulator.h> - -struct wm831x_backlight_data { - struct wm831x *wm831x; - int isink_reg; - int current_brightness; -}; - -static int wm831x_backlight_set(struct backlight_device *bl, int brightness) -{ - struct wm831x_backlight_data *data = bl_get_data(bl); - struct wm831x *wm831x = data->wm831x; - int power_up = !data->current_brightness && brightness; - int power_down = data->current_brightness && !brightness; - int ret; - - if (power_up) { - /* Enable the ISINK */ - ret = wm831x_set_bits(wm831x, data->isink_reg, - WM831X_CS1_ENA, WM831X_CS1_ENA); - if (ret < 0) - goto err; - - /* Enable the DC-DC */ - ret = wm831x_set_bits(wm831x, WM831X_DCDC_ENABLE, - WM831X_DC4_ENA, WM831X_DC4_ENA); - if (ret < 0) - goto err; - } - - if (power_down) { - /* DCDC first */ - ret = wm831x_set_bits(wm831x, WM831X_DCDC_ENABLE, - WM831X_DC4_ENA, 0); - if (ret < 0) - goto err; - - /* ISINK */ - ret = wm831x_set_bits(wm831x, data->isink_reg, - WM831X_CS1_DRIVE | WM831X_CS1_ENA, 0); - if (ret < 0) - goto err; - } - - /* Set the new brightness */ - ret = wm831x_set_bits(wm831x, data->isink_reg, - WM831X_CS1_ISEL_MASK, brightness); - if (ret < 0) - goto err; - - if (power_up) { - /* Drive current through the ISINK */ - ret = wm831x_set_bits(wm831x, data->isink_reg, - WM831X_CS1_DRIVE, WM831X_CS1_DRIVE); - if (ret < 0) - return ret; - } - - data->current_brightness = brightness; - - return 0; - -err: - /* If we were in the middle of a power transition always shut down - * for safety. - */ - if (power_up || power_down) { - wm831x_set_bits(wm831x, WM831X_DCDC_ENABLE, WM831X_DC4_ENA, 0); - wm831x_set_bits(wm831x, data->isink_reg, WM831X_CS1_ENA, 0); - } - - return ret; -} - -static int wm831x_backlight_update_status(struct backlight_device *bl) -{ - int brightness = bl->props.brightness; - - if (bl->props.power != FB_BLANK_UNBLANK) - brightness = 0; - - if (bl->props.fb_blank != FB_BLANK_UNBLANK) - brightness = 0; - - if (bl->props.state & BL_CORE_SUSPENDED) - brightness = 0; - - return wm831x_backlight_set(bl, brightness); -} - -static int wm831x_backlight_get_brightness(struct backlight_device *bl) -{ - struct wm831x_backlight_data *data = bl_get_data(bl); - return data->current_brightness; -} - -static const struct backlight_ops wm831x_backlight_ops = { - .options = BL_CORE_SUSPENDRESUME, - .update_status = wm831x_backlight_update_status, - .get_brightness = wm831x_backlight_get_brightness, -}; - -static int wm831x_backlight_probe(struct platform_device *pdev) -{ - struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); - struct wm831x_pdata *wm831x_pdata; - struct wm831x_backlight_pdata *pdata; - struct wm831x_backlight_data *data; - struct backlight_device *bl; - struct backlight_properties props; - int ret, i, max_isel, isink_reg, dcdc_cfg; - - /* We need platform data */ - if (pdev->dev.parent->platform_data) { - wm831x_pdata = pdev->dev.parent->platform_data; - pdata = wm831x_pdata->backlight; - } else { - pdata = NULL; - } - - if (!pdata) { - dev_err(&pdev->dev, "No platform data supplied\n"); - return -EINVAL; - } - - /* Figure out the maximum current we can use */ - for (i = 0; i < WM831X_ISINK_MAX_ISEL; i++) { - if (wm831x_isinkv_values[i] > pdata->max_uA) - break; - } - - if (i == 0) { - dev_err(&pdev->dev, "Invalid max_uA: %duA\n", pdata->max_uA); - return -EINVAL; - } - max_isel = i - 1; - - if (pdata->max_uA != wm831x_isinkv_values[max_isel]) - dev_warn(&pdev->dev, - "Maximum current is %duA not %duA as requested\n", - wm831x_isinkv_values[max_isel], pdata->max_uA); - - switch (pdata->isink) { - case 1: - isink_reg = WM831X_CURRENT_SINK_1; - dcdc_cfg = 0; - break; - case 2: - isink_reg = WM831X_CURRENT_SINK_2; - dcdc_cfg = WM831X_DC4_FBSRC; - break; - default: - dev_err(&pdev->dev, "Invalid ISINK %d\n", pdata->isink); - return -EINVAL; - } - - /* Configure the ISINK to use for feedback */ - ret = wm831x_reg_unlock(wm831x); - if (ret < 0) - return ret; - - ret = wm831x_set_bits(wm831x, WM831X_DC4_CONTROL, WM831X_DC4_FBSRC, - dcdc_cfg); - - wm831x_reg_lock(wm831x); - if (ret < 0) - return ret; - - data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); - if (data == NULL) - return -ENOMEM; - - data->wm831x = wm831x; - data->current_brightness = 0; - data->isink_reg = isink_reg; - - props.type = BACKLIGHT_RAW; - props.max_brightness = max_isel; - bl = backlight_device_register("wm831x", &pdev->dev, data, - &wm831x_backlight_ops, &props); - if (IS_ERR(bl)) { - dev_err(&pdev->dev, "failed to register backlight\n"); - return PTR_ERR(bl); - } - - bl->props.brightness = max_isel; - - platform_set_drvdata(pdev, bl); - - /* Disable the DCDC if it was started so we can bootstrap */ - wm831x_set_bits(wm831x, WM831X_DCDC_ENABLE, WM831X_DC4_ENA, 0); - - backlight_update_status(bl); - - return 0; -} - -static int wm831x_backlight_remove(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - - backlight_device_unregister(bl); - return 0; -} - -static struct platform_driver wm831x_backlight_driver = { - .driver = { - .name = "wm831x-backlight", - .owner = THIS_MODULE, - }, - .probe = wm831x_backlight_probe, - .remove = wm831x_backlight_remove, -}; - -module_platform_driver(wm831x_backlight_driver); - -MODULE_DESCRIPTION("Backlight Driver for WM831x PMICs"); -MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:wm831x-backlight"); diff --git a/ANDROID_3.4.5/drivers/video/backlight/wmt_bl.c b/ANDROID_3.4.5/drivers/video/backlight/wmt_bl.c deleted file mode 100755 index 97087216..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/wmt_bl.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - * for backlight control on wmt platform, base on pwm_bl.c - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/pwm_backlight.h> -#include <linux/delay.h> -#include <linux/gpio.h> -#include <linux/leds.h> - -#include <mach/wmt_env.h> -#include "wmt_bl.h" - -#define LTH_BRIGHTNESS 0 -#define DFT_BRIGHTNESS 180 -#define DFT_PWM0_FREQ 4 /* kHz */ - -static struct { - int gpio; - int active; -} power = { -1, 0, }; - -static int backlight_delay = 0; - -static struct led_trigger *logo_led; -static BLOCKING_NOTIFIER_HEAD(bl_chain_head); - -int register_bl_notifier(struct notifier_block *nb) -{ - return blocking_notifier_chain_register(&bl_chain_head, nb); -} -EXPORT_SYMBOL_GPL(register_bl_notifier); - -int unregister_bl_notifier(struct notifier_block *nb) -{ - return blocking_notifier_chain_unregister(&bl_chain_head, nb); -} -EXPORT_SYMBOL_GPL(unregister_bl_notifier); - -static inline int bl_notifier_call_chain(unsigned long val) -{ - int ret = blocking_notifier_call_chain(&bl_chain_head, val, NULL); - return notifier_to_errno(ret); -} - -static void backlight_on(bool on) -{ - static int old_state = -1; - - if (!gpio_is_valid(power.gpio)) - return; - - if (old_state != on) { - if (old_state == false) { - /* delay 100 ms between 'lcd power on' and 'backlight - * power on' at resume sequence. */ - msleep(100); - /* wmt.backlight.delay */ - msleep(backlight_delay); - } - gpio_direction_output(power.gpio, on ? power.active : !power.active); - led_trigger_event(logo_led, on ? LED_FULL : LED_OFF); - - if (!on) { - /* - * delay 100 ms between 'backlight power off' and 'lcd power off' - * at suspend sequence to avoid to lcd flicker - */ - msleep(100); - } - - old_state = on; - bl_notifier_call_chain(on ? BL_OPEN : BL_CLOSE); - } -} - -static int wmt_bl_notify(struct device *dev, int brightness) -{ - return brightness; -} - -static void wmt_bl_notify_after(struct device *dev, int brightness) -{ - backlight_on(brightness != 0); -} - -#define KHZ2PICOS(hz) (1000000000/(hz)) -static struct platform_pwm_backlight_data wm8880_pwmbl_data = { - .pwm_id = 0, - .invert = 1, - .lth_brightness = LTH_BRIGHTNESS, /* low threshold */ - .hth_brightness = 256, /* high threshold */ - .max_brightness = 256, - .dft_brightness = DFT_BRIGHTNESS, - .pwm_period_ns = KHZ2PICOS(DFT_PWM0_FREQ*1000), /* revisit when clocks are implemented */ - .notify = wmt_bl_notify, - .notify_after = wmt_bl_notify_after, -}; - -struct platform_device wm8880_device_pwmbl = { - .name = "pwm-backlight", - .id = 0, - .dev = { - .platform_data = &wm8880_pwmbl_data, - }, -}; - -static int parse_backlight_param(void) -{ - static char env[] = "wmt.backlight.param"; - struct platform_pwm_backlight_data *pdata = &wm8880_pwmbl_data; - uint8_t buf[64]; - size_t l = sizeof(buf); - int pwm_freq = DFT_PWM0_FREQ; - int rc; - - if (wmt_getsyspara(env, buf, &l)) { - pr_err("please set %s\n", env); - return -EINVAL; - } - - /* wmt.backlight.param - * <pwmid>:<invert>:<gpio>:<active>: - * <lth_brightness>:<hth_brightness>:<pwm0freq>:<dft_brightness> - */ - rc = sscanf(buf, "%d:%d:%d:%d:%d:%d:%d:%d", - &pdata->pwm_id, - &pdata->invert, - &power.gpio, &power.active, - &pdata->lth_brightness, - &pdata->hth_brightness, - &pwm_freq, - &pdata->dft_brightness); - - if ((rc < 4)) { - pr_err("bad env %s %s\n", env, buf); - return -EINVAL; - } - if ((pdata->hth_brightness > pdata->max_brightness) || - (pdata->lth_brightness > pdata->hth_brightness)) - pdata->hth_brightness = pdata->max_brightness; - - pdata->pwm_period_ns = KHZ2PICOS(pwm_freq * 1000); - - pr_info("backlight param: pwm%d(%dkHz), invert %d, brightness %d(%d~%d) ", - pdata->pwm_id, pwm_freq, pdata->invert, pdata->dft_brightness, - pdata->lth_brightness, pdata->hth_brightness); - - if (gpio_is_valid(power.gpio)) { - if (gpio_request(power.gpio, "pwm_bl switch")) { - pr_warning("gpio request %d failed\n", power.gpio); - power.gpio = -1; - } - pr_info("gpio%d (active %d)\n", power.gpio, power.active); - } else - pr_info("no gpio control\n"); - - /* parse wmt.backlight.delay */ - l = sizeof(buf); - if (wmt_getsyspara("wmt.backlight.delay", buf, &l) == 0) { - sscanf(buf, "%d", &backlight_delay); - } - pr_info("backlight delay: %dms\n", backlight_delay); - - return 0; -} - -static int __init wmt_bl_init(void) -{ - int rc; - - rc = parse_backlight_param(); - if (rc) - return rc; - - led_trigger_register_simple("logoled", &logo_led); - - return platform_device_register(&wm8880_device_pwmbl); -} - -static void __exit wmt_bl_exit(void) -{ - led_trigger_unregister_simple(logo_led); - platform_device_unregister(&wm8880_device_pwmbl); -} - -module_init(wmt_bl_init); -module_exit(wmt_bl_exit); - diff --git a/ANDROID_3.4.5/drivers/video/backlight/wmt_bl.h b/ANDROID_3.4.5/drivers/video/backlight/wmt_bl.h deleted file mode 100755 index a25117b9..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/wmt_bl.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef _LINUX_WMT_BL_H
-#define _LINUX_WMT_BL_H
-
-
-/* Backlight close or open events */
-#define BL_CLOSE 0x0001 /* Close the backlight */
-#define BL_OPEN 0x0002 /* Open the backlight */
-
-//extern int bl_notifier_call_chain(unsigned long val);
-
-#endif
-
|