diff options
Diffstat (limited to 'arch/arm/mach-pxa/spitz_pm.c')
| -rw-r--r-- | arch/arm/mach-pxa/spitz_pm.c | 103 |
1 files changed, 56 insertions, 47 deletions
diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c index 745a4dc7acd..e191f9996b2 100644 --- a/arch/arm/mach-pxa/spitz_pm.c +++ b/arch/arm/mach-pxa/spitz_pm.c @@ -14,19 +14,21 @@ #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 <asm/hardware.h> -#include <asm/hardware/scoop.h> +#include <mach/hardware.h> -#include <asm/arch/sharpsl.h> -#include <asm/arch/spitz.h> -#include <asm/arch/pxa-regs.h> -#include "sharpsl.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 */ @@ -37,55 +39,55 @@ 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) { - pxa_gpio_mode(SPITZ_GPIO_KEY_INT | GPIO_IN); - pxa_gpio_mode(SPITZ_GPIO_SYNC | GPIO_IN); - sharpsl_pm_pxa_init(); + gpio_request_array(ARRAY_AND_SIZE(spitz_charger_gpios)); } static void spitz_measure_temp(int on) { - if (on) - set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_ADC_TEMP_ON); - else - reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_ADC_TEMP_ON); + gpio_set_value(SPITZ_GPIO_ADC_TEMP_ON, on); } static void spitz_charge(int on) { if (on) { if (sharpsl_pm.flags & SHARPSL_SUSPENDED) { - set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_B); - reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CHRG_ON); + gpio_set_value(SPITZ_GPIO_JK_B, 1); + gpio_set_value(SPITZ_GPIO_CHRG_ON, 0); } else { - reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_B); - reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CHRG_ON); + gpio_set_value(SPITZ_GPIO_JK_B, 0); + gpio_set_value(SPITZ_GPIO_CHRG_ON, 0); } } else { - reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_B); - set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CHRG_ON); + gpio_set_value(SPITZ_GPIO_JK_B, 0); + gpio_set_value(SPITZ_GPIO_CHRG_ON, 1); } } static void spitz_discharge(int on) { - if (on) - set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_A); - else - reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_A); + 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) { - if (on) - set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN); - else - reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN); + gpio_set_value(SPITZ_GPIO_LED_GREEN, on); } +static unsigned long gpio18_config = GPIO18_GPIO; + static void spitz_presuspend(void) { spitz_last_ac_status = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN); @@ -107,28 +109,25 @@ static void spitz_presuspend(void) PGSR3 &= ~SPITZ_GPIO_G3_STROBE_BIT; PGSR2 |= GPIO_bit(SPITZ_GPIO_KEY_STROBE0); - pxa_gpio_mode(GPIO18_RDY|GPIO_OUT | GPIO_DFLT_HIGH); + pxa2xx_mfp_config(&gpio18_config, 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 + PKSR = 0xffffffff; /* clear */ /* nRESET_OUT Disable */ PSLR |= PSLR_SL_ROD; - /* Clear reset status */ - RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR; - /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ PCFR = PCFR_GPR_EN | PCFR_OPDE; } static void spitz_postsuspend(void) { - pxa_gpio_mode(GPIO18_RDY_MD); - pxa_gpio_mode(10 | GPIO_IN); } static int spitz_should_wakeup(unsigned int resume_on_alarm) @@ -162,26 +161,30 @@ static int spitz_should_wakeup(unsigned int resume_on_alarm) if (resume_on_alarm && (PEDR & PWER_RTC)) is_resume |= PWER_RTC; - dev_dbg(sharpsl_pm.dev, "is_resume: %x\n",is_resume); + dev_dbg(sharpsl_pm.dev, "is_resume: %x\n", is_resume); return is_resume; } static unsigned long spitz_charger_wakeup(void) { - return (~GPLR0 & GPIO_bit(SPITZ_GPIO_KEY_INT)) | (GPLR0 & GPIO_bit(SPITZ_GPIO_SYNC)); + 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) { + switch (type) { case SHARPSL_STATUS_ACIN: - return (((~GPLR(SPITZ_GPIO_AC_IN)) & GPIO_bit(SPITZ_GPIO_AC_IN)) != 0); + return !gpio_get_value(SPITZ_GPIO_AC_IN); case SHARPSL_STATUS_LOCK: - return READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_batlock); + return gpio_get_value(sharpsl_pm.machinfo->gpio_batlock); case SHARPSL_STATUS_CHRGFULL: - return READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_batfull); + return gpio_get_value(sharpsl_pm.machinfo->gpio_batfull); case SHARPSL_STATUS_FATAL: - return READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_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: @@ -194,7 +197,7 @@ unsigned long spitzpm_read_devdata(int type) struct sharpsl_charger_machinfo spitz_pm_machinfo = { .init = spitz_charger_init, - .exit = sharpsl_pm_pxa_remove, + .exit = NULL, .gpio_batlock = SPITZ_GPIO_BAT_COVER, .gpio_acin = SPITZ_GPIO_AC_IN, .gpio_batfull = SPITZ_GPIO_CHRG_FULL, @@ -209,7 +212,9 @@ struct sharpsl_charger_machinfo spitz_pm_machinfo = { .read_devdata = spitzpm_read_devdata, .charger_wakeup = spitz_charger_wakeup, .should_wakeup = spitz_should_wakeup, - .backlight_limit = corgibl_limit_intensity, +#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, @@ -217,8 +222,8 @@ struct sharpsl_charger_machinfo spitz_pm_machinfo = { .fatal_acin_volt = SHARPSL_FATAL_ACIN_VOLT, .fatal_noacin_volt= SHARPSL_FATAL_NOACIN_VOLT, .bat_levels = 40, - .bat_levels_noac = spitz_battery_levels_noac, - .bat_levels_acin = spitz_battery_levels_acin, + .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, @@ -227,10 +232,14 @@ struct sharpsl_charger_machinfo spitz_pm_machinfo = { static struct platform_device *spitzpm_device; -static int __devinit spitzpm_init(void) +static int 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; @@ -246,7 +255,7 @@ static int __devinit spitzpm_init(void) static void spitzpm_exit(void) { - platform_device_unregister(spitzpm_device); + platform_device_unregister(spitzpm_device); } module_init(spitzpm_init); |