[ARM] 3564/1: sharpsl_pm: Abstract some machine specific parameters

Patch from Richard Purdie

Abstract some machine specific parameters from the sharpsl_pm core
into the machine specific drivers. This allows the core to support
tosa/poodle.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/common/sharpsl_pm.c

@@ -49,13 +49,6 @@
 #define SHARPSL_CHARGE_CO_CHECK_TIME           5   /* 5 msec */
 #define SHARPSL_CHARGE_RETRY_CNT               1   /* eqv. 10 min */
 
-#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 */
-
 /*
  * Prototypes
  */
@@ -82,12 +75,13 @@ DEFINE_LED_TRIGGER(sharpsl_charge_led_trigger);
 static int get_percentage(int voltage)
 {
 	int i = sharpsl_pm.machinfo->bat_levels - 1;
+	int bl_status = sharpsl_pm.machinfo->backlight_get_status ? sharpsl_pm.machinfo->backlight_get_status() : 0;
 	struct battery_thresh *thresh;
 
 	if (sharpsl_pm.charge_mode == CHRG_ON)
-		thresh=sharpsl_pm.machinfo->bat_levels_acin;
+		thresh = bl_status ? sharpsl_pm.machinfo->bat_levels_acin_bl : sharpsl_pm.machinfo->bat_levels_acin;
 	else
-		thresh=sharpsl_pm.machinfo->bat_levels_noac;
+		thresh = bl_status ? sharpsl_pm.machinfo->bat_levels_noac_bl : sharpsl_pm.machinfo->bat_levels_noac;
 
 	while (i > 0 && (voltage > thresh[i].voltage))
 		i--;
@@ -131,7 +125,7 @@ static void sharpsl_battery_thread(void *private_)
 	sharpsl_pm.battstat.ac_status = (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN) ? APM_AC_ONLINE : APM_AC_OFFLINE);
 
 	/* Corgi cannot confirm when battery fully charged so periodically kick! */
-	if (machine_is_corgi() && (sharpsl_pm.charge_mode == CHRG_ON)
+	if (!sharpsl_pm.machinfo->batfull_irq && (sharpsl_pm.charge_mode == CHRG_ON)
 			&& time_after(jiffies, sharpsl_pm.charge_start_time +  SHARPSL_CHARGE_ON_TIME_INTERVAL))
 		schedule_work(&toggle_charger);
 
@@ -166,11 +160,11 @@ static void sharpsl_battery_thread(void *private_)
 			&& ((sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_LOW) ||
 			(sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_CRITICAL))) {
 		if (!(sharpsl_pm.flags & SHARPSL_BL_LIMIT)) {
-			corgibl_limit_intensity(1);
+			sharpsl_pm.machinfo->backlight_limit(1);
 			sharpsl_pm.flags |= SHARPSL_BL_LIMIT;
 		}
 	} else if (sharpsl_pm.flags & SHARPSL_BL_LIMIT) {
-		corgibl_limit_intensity(0);
+		sharpsl_pm.machinfo->backlight_limit(0);
 		sharpsl_pm.flags &= ~SHARPSL_BL_LIMIT;
 	}
 
@@ -418,7 +412,7 @@ static int sharpsl_check_battery_temp(void)
 	val = get_select_val(buff);
 
 	dev_dbg(sharpsl_pm.dev, "Temperature: %d\n", val);
-	if (val > SHARPSL_CHARGE_ON_TEMP)
+	if (val > sharpsl_pm.machinfo->charge_on_temp)
 		return -1;
 
 	return 0;
@@ -450,7 +444,7 @@ static int sharpsl_check_battery_voltage(void)
 	val = get_select_val(buff);
 	dev_dbg(sharpsl_pm.dev, "Battery Voltage: %d\n", val);
 
-	if (val < SHARPSL_CHARGE_ON_VOLT)
+	if (val < sharpsl_pm.machinfo->charge_on_volt)
 		return -1;
 
 	return 0;
@@ -468,7 +462,7 @@ static int sharpsl_ac_check(void)
 	temp = get_select_val(buff);
 	dev_dbg(sharpsl_pm.dev, "AC Voltage: %d\n",temp);
 
-	if ((temp > SHARPSL_CHARGE_ON_ACIN_HIGH) || (temp < SHARPSL_CHARGE_ON_ACIN_LOW)) {
+	if ((temp > sharpsl_pm.machinfo->charge_acin_high) || (temp < sharpsl_pm.machinfo->charge_acin_low)) {
 		dev_err(sharpsl_pm.dev, "Error: AC check failed.\n");
 		return -1;
 	}
@@ -627,8 +621,8 @@ static int sharpsl_fatal_check(void)
 	temp = get_select_val(buff);
 	dev_dbg(sharpsl_pm.dev, "sharpsl_fatal_check: acin: %d, discharge voltage: %d, no discharge: %d\n", acin, temp, sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT));
 
-	if ((acin && (temp < SHARPSL_FATAL_ACIN_VOLT)) ||
-			(!acin && (temp < SHARPSL_FATAL_NOACIN_VOLT)))
+	if ((acin && (temp < sharpsl_pm.machinfo->fatal_acin_volt)) ||
+			(!acin && (temp < sharpsl_pm.machinfo->fatal_noacin_volt)))
 		return -1;
 	return 0;
 }

arch/arm/mach-pxa/corgi_pm.c

@@ -27,6 +27,13 @@
 #include <asm/arch/pxa-regs.h>
 #include "sharpsl.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 void corgi_charger_init(void)
 {
 	pxa_gpio_mode(CORGI_GPIO_ADC_TEMP_ON | GPIO_OUT);
@@ -195,9 +202,16 @@ static struct sharpsl_charger_machinfo corgi_pm_machinfo = {
 	.read_devdata    = corgipm_read_devdata,
 	.charger_wakeup  = corgi_charger_wakeup,
 	.should_wakeup   = corgi_should_wakeup,
-	.bat_levels      = 40,
-	.bat_levels_noac = spitz_battery_levels_noac,
-	.bat_levels_acin = spitz_battery_levels_acin,
+	.backlight_limit = corgibl_limit_intensity,
+	.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  = spitz_battery_levels_noac,
+	.bat_levels_acin  = spitz_battery_levels_acin,
 	.status_high_acin = 188,
 	.status_low_acin  = 178,
 	.status_high_noac = 185,
@@ -214,6 +228,9 @@ static int __devinit corgipm_init(void)
 	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);
 

arch/arm/mach-pxa/sharpsl_pm.c

@@ -128,6 +128,9 @@ struct battery_thresh  spitz_battery_levels_noac[] = {
  */
 int sharpsl_pm_pxa_read_max1111(int channel)
 {
+	if (machine_is_tosa()) // Ugly, better move this function into another module
+	    return 0;
+
 	return corgi_ssp_max1111_get((channel << MAXCTRL_SEL_SH) | MAXCTRL_PD0 | MAXCTRL_PD1
 			| MAXCTRL_SGL | MAXCTRL_UNI | MAXCTRL_STR);
 }
@@ -156,7 +159,7 @@ void sharpsl_pm_pxa_init(void)
 		else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal),IRQT_FALLING);
 	}
 
-	if (!machine_is_corgi())
+	if (sharpsl_pm.machinfo->batfull_irq)
 	{
 		/* Register interrupt handler. */
 		if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull), sharpsl_chrg_full_isr, SA_INTERRUPT, "CO", sharpsl_chrg_full_isr)) {
@@ -174,6 +177,6 @@ void sharpsl_pm_pxa_remove(void)
 	if (sharpsl_pm.machinfo->gpio_fatal)
 		free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal), sharpsl_fatal_isr);
 
-	if (!machine_is_corgi())
+	if (sharpsl_pm.machinfo->batfull_irq)
 		free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull), sharpsl_chrg_full_isr);
 }

arch/arm/mach-pxa/spitz_pm.c

@@ -27,6 +27,13 @@
 #include <asm/arch/pxa-regs.h>
 #include "sharpsl.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 void spitz_charger_init(void)
@@ -190,6 +197,7 @@ struct sharpsl_charger_machinfo spitz_pm_machinfo = {
 	.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,
@@ -200,6 +208,13 @@ 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,
+	.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  = spitz_battery_levels_noac,
 	.bat_levels_acin  = spitz_battery_levels_acin,

include/asm-arm/hardware/sharpsl_pm.h

@@ -16,6 +16,7 @@ struct sharpsl_charger_machinfo {
 	void (*exit)(void);
 	int gpio_acin;
 	int gpio_batfull;
+	int batfull_irq;
 	int gpio_batlock;
 	int gpio_fatal;
 	void (*discharge)(int);
@@ -34,9 +35,19 @@ struct sharpsl_charger_machinfo {
 #define SHARPSL_STATUS_FATAL    7
 	unsigned long (*charger_wakeup)(void);
 	int (*should_wakeup)(unsigned int resume_on_alarm);
+	void (*backlight_limit)(int);
+	int (*backlight_get_status) (void);
+	int charge_on_volt;
+	int charge_on_temp;
+	int charge_acin_high;
+	int charge_acin_low;
+	int fatal_acin_volt;
+	int fatal_noacin_volt;
 	int bat_levels;
 	struct battery_thresh *bat_levels_noac;
 	struct battery_thresh *bat_levels_acin;
+	struct battery_thresh *bat_levels_noac_bl;
+	struct battery_thresh *bat_levels_acin_bl;
 	int status_high_acin;
 	int status_low_acin;
 	int status_high_noac;