diff options
Diffstat (limited to 'arch/arm/mach-pxa/corgi_pm.c')
| -rw-r--r-- | arch/arm/mach-pxa/corgi_pm.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/arch/arm/mach-pxa/corgi_pm.c b/arch/arm/mach-pxa/corgi_pm.c deleted file mode 100644 index 092dcb9fced5..000000000000 --- a/arch/arm/mach-pxa/corgi_pm.c +++ /dev/null @@ -1,222 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Battery and Power Management code for the Sharp SL-C7xx - * - * Copyright (c) 2005 Richard Purdie - */ - -#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 <linux/io.h> - -#include <asm/irq.h> -#include <asm/mach-types.h> -#include <mach/hardware.h> - -#include <mach/corgi.h> -#include <mach/pxa2xx-regs.h> -#include "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 struct gpio charger_gpios[] = { - { CORGI_GPIO_ADC_TEMP_ON, GPIOF_OUT_INIT_LOW, "ADC Temp On" }, - { CORGI_GPIO_CHRG_ON, GPIOF_OUT_INIT_LOW, "Charger On" }, - { CORGI_GPIO_CHRG_UKN, GPIOF_OUT_INIT_LOW, "Charger Unknown" }, - { CORGI_GPIO_AC_IN, GPIOF_IN, "Charger Detection" }, - { CORGI_GPIO_KEY_INT, GPIOF_IN, "Key Interrupt" }, - { CORGI_GPIO_WAKEUP, GPIOF_IN, "System wakeup notification" }, -}; - -static void corgi_charger_init(void) -{ - gpio_request_array(ARRAY_AND_SIZE(charger_gpios)); -} - -static void corgi_measure_temp(int on) -{ - gpio_set_value(CORGI_GPIO_ADC_TEMP_ON, on); -} - -static void corgi_charge(int on) -{ - if (on) { - if (machine_is_corgi() && (sharpsl_pm.flags & SHARPSL_SUSPENDED)) { - gpio_set_value(CORGI_GPIO_CHRG_ON, 0); - gpio_set_value(CORGI_GPIO_CHRG_UKN, 1); - } else { - gpio_set_value(CORGI_GPIO_CHRG_ON, 1); - gpio_set_value(CORGI_GPIO_CHRG_UKN, 0); - } - } else { - gpio_set_value(CORGI_GPIO_CHRG_ON, 0); - gpio_set_value(CORGI_GPIO_CHRG_UKN, 0); - } -} - -static void corgi_discharge(int on) -{ - gpio_set_value(CORGI_GPIO_DISCHARGE_ON, on); -} - -static void corgi_presuspend(void) -{ -} - -static void corgi_postsuspend(void) -{ -} - -/* - * Check what brought us out of the suspend. - * Return: 0 to sleep, otherwise wake - */ -static int corgi_should_wakeup(unsigned int resume_on_alarm) -{ - int is_resume = 0; - - dev_dbg(sharpsl_pm.dev, "PEDR = %x, GPIO_AC_IN = %d, " - "GPIO_CHRG_FULL = %d, GPIO_KEY_INT = %d, GPIO_WAKEUP = %d\n", - PEDR, gpio_get_value(CORGI_GPIO_AC_IN), - gpio_get_value(CORGI_GPIO_CHRG_FULL), - gpio_get_value(CORGI_GPIO_KEY_INT), - gpio_get_value(CORGI_GPIO_WAKEUP)); - - if ((PEDR & GPIO_bit(CORGI_GPIO_AC_IN))) { - if (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN)) { - /* charge on */ - dev_dbg(sharpsl_pm.dev, "ac insert\n"); - sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG; - } else { - /* charge off */ - dev_dbg(sharpsl_pm.dev, "ac remove\n"); - sharpsl_pm_led(SHARPSL_LED_OFF); - sharpsl_pm.machinfo->charge(0); - sharpsl_pm.charge_mode = CHRG_OFF; - } - } - - if ((PEDR & GPIO_bit(CORGI_GPIO_CHRG_FULL))) - dev_dbg(sharpsl_pm.dev, "Charge full interrupt\n"); - - if (PEDR & GPIO_bit(CORGI_GPIO_KEY_INT)) - is_resume |= GPIO_bit(CORGI_GPIO_KEY_INT); - - if (PEDR & GPIO_bit(CORGI_GPIO_WAKEUP)) - is_resume |= GPIO_bit(CORGI_GPIO_WAKEUP); - - 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 bool corgi_charger_wakeup(void) -{ - return !gpio_get_value(CORGI_GPIO_AC_IN) || - !gpio_get_value(CORGI_GPIO_KEY_INT) || - !gpio_get_value(CORGI_GPIO_WAKEUP); -} - -unsigned long corgipm_read_devdata(int type) -{ - switch(type) { - case SHARPSL_STATUS_ACIN: - return !gpio_get_value(CORGI_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); - } -} - -static struct sharpsl_charger_machinfo corgi_pm_machinfo = { - .init = corgi_charger_init, - .exit = NULL, - .gpio_batlock = CORGI_GPIO_BAT_COVER, - .gpio_acin = CORGI_GPIO_AC_IN, - .gpio_batfull = CORGI_GPIO_CHRG_FULL, - .discharge = corgi_discharge, - .charge = corgi_charge, - .measure_temp = corgi_measure_temp, - .presuspend = corgi_presuspend, - .postsuspend = corgi_postsuspend, - .read_devdata = corgipm_read_devdata, - .charger_wakeup = corgi_charger_wakeup, - .should_wakeup = corgi_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 *corgipm_device; - -static int corgipm_init(void) -{ - int ret; - - if (!machine_is_corgi() && !machine_is_shepherd() - && !machine_is_husky()) - return -ENODEV; - - corgipm_device = platform_device_alloc("sharpsl-pm", -1); - if (!corgipm_device) - return -ENOMEM; - - if (!machine_is_corgi()) - corgi_pm_machinfo.batfull_irq = 1; - - corgipm_device->dev.platform_data = &corgi_pm_machinfo; - ret = platform_device_add(corgipm_device); - - if (ret) - platform_device_put(corgipm_device); - - return ret; -} - -static void corgipm_exit(void) -{ - platform_device_unregister(corgipm_device); -} - -module_init(corgipm_init); -module_exit(corgipm_exit); |