diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/video/backlight/jornada720_lcd.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/video/backlight/jornada720_lcd.c | 142 |
1 files changed, 0 insertions, 142 deletions
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"); |