diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-pxa/spitz_pm.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-pxa/spitz_pm.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-pxa/spitz_pm.c b/ANDROID_3.4.5/arch/arm/mach-pxa/spitz_pm.c deleted file mode 100644 index 438f02fe..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-pxa/spitz_pm.c +++ /dev/null @@ -1,266 +0,0 @@ -/* - * Battery and Power Management code for the Sharp SL-Cxx00 - * - * Copyright (c) 2005 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/stat.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/gpio.h> -#include <linux/gpio-pxa.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/apm-emulation.h> - -#include <asm/irq.h> -#include <asm/mach-types.h> -#include <mach/hardware.h> - -#include <mach/spitz.h> -#include <mach/pxa27x.h> -#include <mach/sharpsl_pm.h> - -#include "generic.h" - -#define SHARPSL_CHARGE_ON_VOLT 0x99 /* 2.9V */ -#define SHARPSL_CHARGE_ON_TEMP 0xe0 /* 2.9V */ -#define SHARPSL_CHARGE_ON_ACIN_HIGH 0x9b /* 6V */ -#define SHARPSL_CHARGE_ON_ACIN_LOW 0x34 /* 2V */ -#define SHARPSL_FATAL_ACIN_VOLT 182 /* 3.45V */ -#define SHARPSL_FATAL_NOACIN_VOLT 170 /* 3.40V */ - -static int spitz_last_ac_status; - -static struct gpio spitz_charger_gpios[] = { - { SPITZ_GPIO_KEY_INT, GPIOF_IN, "Keyboard Interrupt" }, - { SPITZ_GPIO_SYNC, GPIOF_IN, "Sync" }, - { SPITZ_GPIO_AC_IN, GPIOF_IN, "Charger Detection" }, - { SPITZ_GPIO_ADC_TEMP_ON, GPIOF_OUT_INIT_LOW, "ADC Temp On" }, - { SPITZ_GPIO_JK_B, GPIOF_OUT_INIT_LOW, "JK B" }, - { SPITZ_GPIO_CHRG_ON, GPIOF_OUT_INIT_LOW, "Charger On" }, -}; - -static void spitz_charger_init(void) -{ - gpio_request_array(ARRAY_AND_SIZE(spitz_charger_gpios)); -} - -static void spitz_measure_temp(int on) -{ - gpio_set_value(SPITZ_GPIO_ADC_TEMP_ON, on); -} - -static void spitz_charge(int on) -{ - if (on) { - if (sharpsl_pm.flags & SHARPSL_SUSPENDED) { - gpio_set_value(SPITZ_GPIO_JK_B, 1); - gpio_set_value(SPITZ_GPIO_CHRG_ON, 0); - } else { - gpio_set_value(SPITZ_GPIO_JK_B, 0); - gpio_set_value(SPITZ_GPIO_CHRG_ON, 0); - } - } else { - gpio_set_value(SPITZ_GPIO_JK_B, 0); - gpio_set_value(SPITZ_GPIO_CHRG_ON, 1); - } -} - -static void spitz_discharge(int on) -{ - gpio_set_value(SPITZ_GPIO_JK_A, on); -} - -/* HACK - For unknown reasons, accurate voltage readings are only made with a load - on the power bus which the green led on spitz provides */ -static void spitz_discharge1(int on) -{ - gpio_set_value(SPITZ_GPIO_LED_GREEN, on); -} - -static unsigned long gpio18_config[] = { - GPIO18_RDY, - GPIO18_GPIO, -}; - -static void spitz_presuspend(void) -{ - spitz_last_ac_status = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN); - - /* GPIO Sleep Register */ - PGSR0 = 0x00144018; - PGSR1 = 0x00EF0000; - if (machine_is_akita()) { - PGSR2 = 0x2121C000; - PGSR3 = 0x00600400; - } else { - PGSR2 = 0x0121C000; - PGSR3 = 0x00600000; - } - - PGSR0 &= ~SPITZ_GPIO_G0_STROBE_BIT; - PGSR1 &= ~SPITZ_GPIO_G1_STROBE_BIT; - PGSR2 &= ~SPITZ_GPIO_G2_STROBE_BIT; - PGSR3 &= ~SPITZ_GPIO_G3_STROBE_BIT; - PGSR2 |= GPIO_bit(SPITZ_GPIO_KEY_STROBE0); - - pxa2xx_mfp_config(&gpio18_config[0], 1); - gpio_request_one(18, GPIOF_OUT_INIT_HIGH, "Unknown"); - gpio_free(18); - - PRER = GPIO_bit(SPITZ_GPIO_KEY_INT); - PFER = GPIO_bit(SPITZ_GPIO_KEY_INT) | GPIO_bit(SPITZ_GPIO_RESET); - PWER = GPIO_bit(SPITZ_GPIO_KEY_INT) | GPIO_bit(SPITZ_GPIO_RESET) | PWER_RTC; - PKWR = GPIO_bit(SPITZ_GPIO_SYNC) | GPIO_bit(SPITZ_GPIO_KEY_INT) | GPIO_bit(SPITZ_GPIO_RESET); - PKSR = 0xffffffff; /* clear */ - - /* nRESET_OUT Disable */ - PSLR |= PSLR_SL_ROD; - - /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ - PCFR = PCFR_GPR_EN | PCFR_OPDE; -} - -static void spitz_postsuspend(void) -{ - pxa2xx_mfp_config(&gpio18_config[1], 1); -} - -static int spitz_should_wakeup(unsigned int resume_on_alarm) -{ - int is_resume = 0; - int acin = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN); - - if (spitz_last_ac_status != acin) { - if (acin) { - /* charge on */ - sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG; - dev_dbg(sharpsl_pm.dev, "AC Inserted\n"); - } else { - /* charge off */ - dev_dbg(sharpsl_pm.dev, "AC Removed\n"); - sharpsl_pm_led(SHARPSL_LED_OFF); - sharpsl_pm.machinfo->charge(0); - sharpsl_pm.charge_mode = CHRG_OFF; - } - spitz_last_ac_status = acin; - /* Return to suspend as this must be what we were woken for */ - return 0; - } - - if (PEDR & GPIO_bit(SPITZ_GPIO_KEY_INT)) - is_resume |= GPIO_bit(SPITZ_GPIO_KEY_INT); - - if (PKSR & GPIO_bit(SPITZ_GPIO_SYNC)) - is_resume |= GPIO_bit(SPITZ_GPIO_SYNC); - - if (resume_on_alarm && (PEDR & PWER_RTC)) - is_resume |= PWER_RTC; - - dev_dbg(sharpsl_pm.dev, "is_resume: %x\n", is_resume); - return is_resume; -} - -static unsigned long spitz_charger_wakeup(void) -{ - unsigned long ret; - ret = ((!gpio_get_value(SPITZ_GPIO_KEY_INT) - << GPIO_bit(SPITZ_GPIO_KEY_INT)) - | gpio_get_value(SPITZ_GPIO_SYNC)); - return ret; -} - -unsigned long spitzpm_read_devdata(int type) -{ - switch (type) { - case SHARPSL_STATUS_ACIN: - return !gpio_get_value(SPITZ_GPIO_AC_IN); - case SHARPSL_STATUS_LOCK: - return gpio_get_value(sharpsl_pm.machinfo->gpio_batlock); - case SHARPSL_STATUS_CHRGFULL: - return gpio_get_value(sharpsl_pm.machinfo->gpio_batfull); - case SHARPSL_STATUS_FATAL: - return gpio_get_value(sharpsl_pm.machinfo->gpio_fatal); - case SHARPSL_ACIN_VOLT: - return sharpsl_pm_pxa_read_max1111(MAX1111_ACIN_VOLT); - case SHARPSL_BATT_TEMP: - return sharpsl_pm_pxa_read_max1111(MAX1111_BATT_TEMP); - case SHARPSL_BATT_VOLT: - default: - return sharpsl_pm_pxa_read_max1111(MAX1111_BATT_VOLT); - } -} - -struct sharpsl_charger_machinfo spitz_pm_machinfo = { - .init = spitz_charger_init, - .exit = NULL, - .gpio_batlock = SPITZ_GPIO_BAT_COVER, - .gpio_acin = SPITZ_GPIO_AC_IN, - .gpio_batfull = SPITZ_GPIO_CHRG_FULL, - .batfull_irq = 1, - .gpio_fatal = SPITZ_GPIO_FATAL_BAT, - .discharge = spitz_discharge, - .discharge1 = spitz_discharge1, - .charge = spitz_charge, - .measure_temp = spitz_measure_temp, - .presuspend = spitz_presuspend, - .postsuspend = spitz_postsuspend, - .read_devdata = spitzpm_read_devdata, - .charger_wakeup = spitz_charger_wakeup, - .should_wakeup = spitz_should_wakeup, -#if defined(CONFIG_LCD_CORGI) - .backlight_limit = corgi_lcd_limit_intensity, -#endif - .charge_on_volt = SHARPSL_CHARGE_ON_VOLT, - .charge_on_temp = SHARPSL_CHARGE_ON_TEMP, - .charge_acin_high = SHARPSL_CHARGE_ON_ACIN_HIGH, - .charge_acin_low = SHARPSL_CHARGE_ON_ACIN_LOW, - .fatal_acin_volt = SHARPSL_FATAL_ACIN_VOLT, - .fatal_noacin_volt= SHARPSL_FATAL_NOACIN_VOLT, - .bat_levels = 40, - .bat_levels_noac = sharpsl_battery_levels_noac, - .bat_levels_acin = sharpsl_battery_levels_acin, - .status_high_acin = 188, - .status_low_acin = 178, - .status_high_noac = 185, - .status_low_noac = 175, -}; - -static struct platform_device *spitzpm_device; - -static int __devinit spitzpm_init(void) -{ - int ret; - - if (!machine_is_spitz() && !machine_is_akita() - && !machine_is_borzoi()) - return -ENODEV; - - spitzpm_device = platform_device_alloc("sharpsl-pm", -1); - if (!spitzpm_device) - return -ENOMEM; - - spitzpm_device->dev.platform_data = &spitz_pm_machinfo; - ret = platform_device_add(spitzpm_device); - - if (ret) - platform_device_put(spitzpm_device); - - return ret; -} - -static void spitzpm_exit(void) -{ - platform_device_unregister(spitzpm_device); -} - -module_init(spitzpm_init); -module_exit(spitzpm_exit); |