[ARM] 3228/1: SharpSL: Move PM code to arch/arm/common
[linux-2.6.git] / arch / arm / mach-pxa / sharpsl_pm.c
index c10be00..f6fefb1 100644 (file)
 #undef DEBUG
 
 #include <linux/module.h>
-#include <linux/timer.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
-#include <linux/apm_bios.h>
-#include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 
 #include <asm/hardware.h>
-#include <asm/hardware/scoop.h>
 #include <asm/mach-types.h>
 #include <asm/irq.h>
 #include <asm/apm.h>
-
 #include <asm/arch/pm.h>
 #include <asm/arch/pxa-regs.h>
 #include <asm/arch/sharpsl.h>
+#include <asm/hardware/sharpsl_pm.h>
 #include "sharpsl.h"
 
-/*
- * Constants
- */
-#define SHARPSL_CHARGE_ON_TIME_INTERVAL        (msecs_to_jiffies(1*60*1000))  /* 1 min */
-#define SHARPSL_CHARGE_FINISH_TIME             (msecs_to_jiffies(10*60*1000)) /* 10 min */
-#define SHARPSL_BATCHK_TIME                    (msecs_to_jiffies(15*1000))    /* 15 sec */
-#define SHARPSL_BATCHK_TIME_SUSPEND            (60*10)                        /* 10 min */
-#define SHARPSL_WAIT_CO_TIME                   15  /* 15 sec */
-#define SHARPSL_WAIT_DISCHARGE_ON              100 /* 100 msec */
-#define SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP   10  /* 10 msec */
-#define SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT   10  /* 10 msec */
-#define SHARPSL_CHECK_BATTERY_WAIT_TIME_ACIN   10  /* 10 msec */
-#define SHARPSL_CHARGE_WAIT_TIME               15  /* 15 msec */
-#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 */
-
 struct battery_thresh spitz_battery_levels_acin[] = {
        { 213, 100},
        { 212,  98},
@@ -151,763 +124,17 @@ struct battery_thresh  spitz_battery_levels_noac[] = {
 #define MAXCTRL_SEL_SH   4
 #define MAXCTRL_STR      1u << 7
 
-/* MAX1111 Channel Definitions */
-#define BATT_AD    4u
-#define BATT_THM   2u
-#define JK_VAD     6u
-
-
-/*
- * Prototypes
- */
-static int sharpsl_read_main_battery(void);
-static int sharpsl_off_charge_battery(void);
-static int sharpsl_check_battery_temp(void);
-static int sharpsl_check_battery_voltage(void);
-static int sharpsl_ac_check(void);
-static int sharpsl_fatal_check(void);
-static int sharpsl_average_value(int ad);
-static void sharpsl_average_clear(void);
-static void sharpsl_charge_toggle(void *private_);
-static void sharpsl_battery_thread(void *private_);
-
-
-/*
- * Variables
- */
-struct sharpsl_pm_status sharpsl_pm;
-DECLARE_WORK(toggle_charger, sharpsl_charge_toggle, NULL);
-DECLARE_WORK(sharpsl_bat, sharpsl_battery_thread, NULL);
-
-
-static int get_percentage(int voltage)
-{
-       int i = sharpsl_pm.machinfo->bat_levels - 1;
-       struct battery_thresh *thresh;
-
-       if (sharpsl_pm.charge_mode == CHRG_ON)
-               thresh=sharpsl_pm.machinfo->bat_levels_acin;
-       else
-               thresh=sharpsl_pm.machinfo->bat_levels_noac;
-
-       while (i > 0 && (voltage > thresh[i].voltage))
-               i--;
-
-       return thresh[i].percentage;
-}
-
-static int get_apm_status(int voltage)
-{
-       int low_thresh, high_thresh;
-
-       if (sharpsl_pm.charge_mode == CHRG_ON) {
-               high_thresh = sharpsl_pm.machinfo->status_high_acin;
-               low_thresh = sharpsl_pm.machinfo->status_low_acin;
-       } else {
-               high_thresh = sharpsl_pm.machinfo->status_high_noac;
-               low_thresh = sharpsl_pm.machinfo->status_low_noac;
-       }
-
-       if (voltage >= high_thresh)
-               return APM_BATTERY_STATUS_HIGH;
-       if (voltage >= low_thresh)
-               return APM_BATTERY_STATUS_LOW;
-       return APM_BATTERY_STATUS_CRITICAL;
-}
-
-void sharpsl_battery_kick(void)
-{
-       schedule_delayed_work(&sharpsl_bat, msecs_to_jiffies(125));
-}
-EXPORT_SYMBOL(sharpsl_battery_kick);
-
-
-static void sharpsl_battery_thread(void *private_)
-{
-       int voltage, percent, apm_status, i = 0;
-
-       if (!sharpsl_pm.machinfo)
-               return;
-
-       sharpsl_pm.battstat.ac_status = (STATUS_AC_IN() ? 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)
-                       && time_after(jiffies, sharpsl_pm.charge_start_time +  SHARPSL_CHARGE_ON_TIME_INTERVAL))
-               schedule_work(&toggle_charger);
-
-       while(1) {
-               voltage = sharpsl_read_main_battery();
-               if (voltage > 0) break;
-               if (i++ > 5) {
-                       voltage = sharpsl_pm.machinfo->bat_levels_noac[0].voltage;
-                       dev_warn(sharpsl_pm.dev, "Warning: Cannot read main battery!\n");
-                       break;
-               }
-       }
-
-       voltage = sharpsl_average_value(voltage);
-       apm_status = get_apm_status(voltage);
-       percent = get_percentage(voltage);
-
-       /* At low battery voltages, the voltage has a tendency to start
-           creeping back up so we try to avoid this here */
-       if ((sharpsl_pm.battstat.ac_status == APM_AC_ONLINE) || (apm_status == APM_BATTERY_STATUS_HIGH) ||  percent <= sharpsl_pm.battstat.mainbat_percent) {
-               sharpsl_pm.battstat.mainbat_voltage = voltage;
-               sharpsl_pm.battstat.mainbat_status = apm_status;
-               sharpsl_pm.battstat.mainbat_percent = percent;
-       }
-
-       dev_dbg(sharpsl_pm.dev, "Battery: voltage: %d, status: %d, percentage: %d, time: %d\n", voltage,
-                       sharpsl_pm.battstat.mainbat_status, sharpsl_pm.battstat.mainbat_percent, jiffies);
-
-       /* If battery is low. limit backlight intensity to save power. */
-       if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE)
-                       && ((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.flags |= SHARPSL_BL_LIMIT;
-               }
-       } else if (sharpsl_pm.flags & SHARPSL_BL_LIMIT) {
-               corgibl_limit_intensity(0);
-               sharpsl_pm.flags &= ~SHARPSL_BL_LIMIT;
-       }
-
-       /* Suspend if critical battery level */
-       if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE)
-                       && (sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_CRITICAL)
-                       && !(sharpsl_pm.flags & SHARPSL_APM_QUEUED)) {
-               sharpsl_pm.flags |= SHARPSL_APM_QUEUED;
-               dev_err(sharpsl_pm.dev, "Fatal Off\n");
-               apm_queue_event(APM_CRITICAL_SUSPEND);
-       }
-
-       schedule_delayed_work(&sharpsl_bat, SHARPSL_BATCHK_TIME);
-}
-
-static void sharpsl_charge_on(void)
-{
-       dev_dbg(sharpsl_pm.dev, "Turning Charger On\n");
-
-       sharpsl_pm.full_count = 0;
-       sharpsl_pm.charge_mode = CHRG_ON;
-       schedule_delayed_work(&toggle_charger, msecs_to_jiffies(250));
-       schedule_delayed_work(&sharpsl_bat, msecs_to_jiffies(500));
-}
-
-static void sharpsl_charge_off(void)
-{
-       dev_dbg(sharpsl_pm.dev, "Turning Charger Off\n");
-
-       CHARGE_OFF();
-       CHARGE_LED_OFF();
-       sharpsl_pm.charge_mode = CHRG_OFF;
-
-       schedule_work(&sharpsl_bat);
-}
-
-static void sharpsl_charge_error(void)
-{
-       CHARGE_LED_ERR();
-       CHARGE_OFF();
-       sharpsl_pm.charge_mode = CHRG_ERROR;
-}
-
-static void sharpsl_charge_toggle(void *private_)
-{
-       dev_dbg(sharpsl_pm.dev, "Toogling Charger at time: %lx\n", jiffies);
-
-       if (STATUS_AC_IN() == 0) {
-               sharpsl_charge_off();
-               return;
-       } else if ((sharpsl_check_battery_temp() < 0) || (sharpsl_ac_check() < 0)) {
-               sharpsl_charge_error();
-               return;
-       }
-
-       CHARGE_LED_ON();
-       CHARGE_OFF();
-       mdelay(SHARPSL_CHARGE_WAIT_TIME);
-       CHARGE_ON();
-
-       sharpsl_pm.charge_start_time = jiffies;
-}
-
-static void sharpsl_ac_timer(unsigned long data)
-{
-       int acin = STATUS_AC_IN();
-
-       dev_dbg(sharpsl_pm.dev, "AC Status: %d\n",acin);
-
-       sharpsl_average_clear();
-       if (acin && (sharpsl_pm.charge_mode != CHRG_ON))
-               sharpsl_charge_on();
-       else if (sharpsl_pm.charge_mode == CHRG_ON)
-               sharpsl_charge_off();
-
-       schedule_work(&sharpsl_bat);
-}
-
-
-static irqreturn_t sharpsl_ac_isr(int irq, void *dev_id, struct pt_regs *fp)
-{
-       /* Delay the event slightly to debounce */
-       /* Must be a smaller delay than the chrg_full_isr below */
-       mod_timer(&sharpsl_pm.ac_timer, jiffies + msecs_to_jiffies(250));
-
-       return IRQ_HANDLED;
-}
-
-static void sharpsl_chrg_full_timer(unsigned long data)
-{
-       dev_dbg(sharpsl_pm.dev, "Charge Full at time: %lx\n", jiffies);
-
-       sharpsl_pm.full_count++;
-
-       if (STATUS_AC_IN() == 0) {
-               dev_dbg(sharpsl_pm.dev, "Charge Full: AC removed - stop charging!\n");
-               if (sharpsl_pm.charge_mode == CHRG_ON)
-                       sharpsl_charge_off();
-       } else if (sharpsl_pm.full_count < 2) {
-               dev_dbg(sharpsl_pm.dev, "Charge Full: Count too low\n");
-               schedule_work(&toggle_charger);
-       } else if (time_after(jiffies, sharpsl_pm.charge_start_time + SHARPSL_CHARGE_FINISH_TIME)) {
-               dev_dbg(sharpsl_pm.dev, "Charge Full: Interrupt generated too slowly - retry.\n");
-               schedule_work(&toggle_charger);
-       } else {
-               sharpsl_charge_off();
-               sharpsl_pm.charge_mode = CHRG_DONE;
-               dev_dbg(sharpsl_pm.dev, "Charge Full: Charging Finished\n");
-       }
-}
-
-/* Charging Finished Interrupt (Not present on Corgi) */
-/* Can trigger at the same time as an AC staus change so
-   delay until after that has been processed */
-static irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id, struct pt_regs *fp)
-{
-       if (sharpsl_pm.flags & SHARPSL_SUSPENDED)
-               return IRQ_HANDLED;
-
-       /* delay until after any ac interrupt */
-       mod_timer(&sharpsl_pm.chrg_full_timer, jiffies + msecs_to_jiffies(500));
-
-       return IRQ_HANDLED;
-}
-
-static irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id, struct pt_regs *fp)
-{
-       int is_fatal = 0;
-
-       if (STATUS_BATT_LOCKED() == 0) {
-               dev_err(sharpsl_pm.dev, "Battery now Unlocked! Suspending.\n");
-               is_fatal = 1;
-       }
-
-       if (sharpsl_pm.machinfo->gpio_fatal && (STATUS_FATAL() == 0)) {
-               dev_err(sharpsl_pm.dev, "Fatal Batt Error! Suspending.\n");
-               is_fatal = 1;
-       }
-
-       if (!(sharpsl_pm.flags & SHARPSL_APM_QUEUED) && is_fatal) {
-               sharpsl_pm.flags |= SHARPSL_APM_QUEUED;
-               apm_queue_event(APM_CRITICAL_SUSPEND);
-       }
-
-       return IRQ_HANDLED;
-}
-
-/*
- * Maintain an average of the last 10 readings
- */
-#define SHARPSL_CNV_VALUE_NUM    10
-static int sharpsl_ad_index;
-
-static void sharpsl_average_clear(void)
-{
-       sharpsl_ad_index = 0;
-}
-
-static int sharpsl_average_value(int ad)
-{
-       int i, ad_val = 0;
-       static int sharpsl_ad[SHARPSL_CNV_VALUE_NUM+1];
-
-       if (sharpsl_pm.battstat.mainbat_status != APM_BATTERY_STATUS_HIGH) {
-               sharpsl_ad_index = 0;
-               return ad;
-       }
-
-       sharpsl_ad[sharpsl_ad_index] = ad;
-       sharpsl_ad_index++;
-       if (sharpsl_ad_index >= SHARPSL_CNV_VALUE_NUM) {
-               for (i=0; i < (SHARPSL_CNV_VALUE_NUM-1); i++)
-                       sharpsl_ad[i] = sharpsl_ad[i+1];
-               sharpsl_ad_index = SHARPSL_CNV_VALUE_NUM - 1;
-       }
-       for (i=0; i < sharpsl_ad_index; i++)
-               ad_val += sharpsl_ad[i];
-
-       return (ad_val / sharpsl_ad_index);
-}
-
-
 /*
  * Read MAX1111 ADC
  */
-static int read_max1111(int channel)
+int sharpsl_pm_pxa_read_max1111(int channel)
 {
        return corgi_ssp_max1111_get((channel << MAXCTRL_SEL_SH) | MAXCTRL_PD0 | MAXCTRL_PD1
                        | MAXCTRL_SGL | MAXCTRL_UNI | MAXCTRL_STR);
 }
 
-static int sharpsl_read_main_battery(void)
-{
-       return read_max1111(BATT_AD);
-}
-
-static int sharpsl_read_temp(void)
+void sharpsl_pm_pxa_init(void)
 {
-       int temp;
-
-       sharpsl_pm.machinfo->measure_temp(1);
-
-       mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP);
-       temp = read_max1111(BATT_THM);
-
-       sharpsl_pm.machinfo->measure_temp(0);
-
-       return temp;
-}
-
-static int sharpsl_read_acin(void)
-{
-       return read_max1111(JK_VAD);
-}
-
-/*
- * Take an array of 5 integers, remove the maximum and minimum values
- * and return the average.
- */
-static int get_select_val(int *val)
-{
-       int i, j, k, temp, sum = 0;
-
-       /* Find MAX val */
-       temp = val[0];
-       j=0;
-       for (i=1; i<5; i++) {
-               if (temp < val[i]) {
-                       temp = val[i];
-                       j = i;
-               }
-       }
-
-       /* Find MIN val */
-       temp = val[4];
-       k=4;
-       for (i=3; i>=0; i--) {
-               if (temp > val[i]) {
-                       temp = val[i];
-                       k = i;
-               }
-       }
-
-       for (i=0; i<5; i++)
-               if (i != j && i != k )
-                       sum += val[i];
-
-       dev_dbg(sharpsl_pm.dev, "Average: %d from values: %d, %d, %d, %d, %d\n", sum/3, val[0], val[1], val[2], val[3], val[4]);
-
-       return (sum/3);
-}
-
-static int sharpsl_check_battery_temp(void)
-{
-       int val, i, buff[5];
-
-       /* Check battery temperature */
-       for (i=0; i<5; i++) {
-               mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP);
-               buff[i] = sharpsl_read_temp();
-       }
-
-       val = get_select_val(buff);
-
-       dev_dbg(sharpsl_pm.dev, "Temperature: %d\n", val);
-       if (val > SHARPSL_CHARGE_ON_TEMP)
-               return -1;
-
-       return 0;
-}
-
-static int sharpsl_check_battery_voltage(void)
-{
-       int val, i, buff[5];
-
-       /* disable charge, enable discharge */
-       CHARGE_OFF();
-       DISCHARGE_ON();
-       mdelay(SHARPSL_WAIT_DISCHARGE_ON);
-
-       if (sharpsl_pm.machinfo->discharge1)
-               sharpsl_pm.machinfo->discharge1(1);
-
-       /* Check battery voltage */
-       for (i=0; i<5; i++) {
-               buff[i] = sharpsl_read_main_battery();
-               mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT);
-       }
-
-       if (sharpsl_pm.machinfo->discharge1)
-               sharpsl_pm.machinfo->discharge1(0);
-
-       DISCHARGE_OFF();
-
-       val = get_select_val(buff);
-       dev_dbg(sharpsl_pm.dev, "Battery Voltage: %d\n", val);
-
-       if (val < SHARPSL_CHARGE_ON_VOLT)
-               return -1;
-
-       return 0;
-}
-
-static int sharpsl_ac_check(void)
-{
-       int temp, i, buff[5];
-
-       for (i=0; i<5; i++) {
-               buff[i] = sharpsl_read_acin();
-               mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_ACIN);
-       }
-
-       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)) {
-               dev_err(sharpsl_pm.dev, "Error: AC check failed.\n");
-               return -1;
-       }
-
-       return 0;
-}
-
-#ifdef CONFIG_PM
-static int sharpsl_pm_suspend(struct platform_device *pdev, pm_message_t state)
-{
-       sharpsl_pm.flags |= SHARPSL_SUSPENDED;
-       flush_scheduled_work();
-
-       if (sharpsl_pm.charge_mode == CHRG_ON)
-               sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG;
-       else
-               sharpsl_pm.flags &= ~SHARPSL_DO_OFFLINE_CHRG;
-
-       return 0;
-}
-
-static int sharpsl_pm_resume(struct platform_device *pdev)
-{
-       /* Clear the reset source indicators as they break the bootloader upon reboot */
-       RCSR = 0x0f;
-       sharpsl_average_clear();
-       sharpsl_pm.flags &= ~SHARPSL_APM_QUEUED;
-       sharpsl_pm.flags &= ~SHARPSL_SUSPENDED;
-
-       return 0;
-}
-
-static void corgi_goto_sleep(unsigned long alarm_time, unsigned int alarm_enable, suspend_state_t state)
-{
-       dev_dbg(sharpsl_pm.dev, "Time is: %08x\n",RCNR);
-
-       dev_dbg(sharpsl_pm.dev, "Offline Charge Activate = %d\n",sharpsl_pm.flags & SHARPSL_DO_OFFLINE_CHRG);
-       /* not charging and AC-IN! */
-
-       if ((sharpsl_pm.flags & SHARPSL_DO_OFFLINE_CHRG) && (STATUS_AC_IN() != 0)) {
-               dev_dbg(sharpsl_pm.dev, "Activating Offline Charger...\n");
-               sharpsl_pm.charge_mode = CHRG_OFF;
-               sharpsl_pm.flags &= ~SHARPSL_DO_OFFLINE_CHRG;
-               sharpsl_off_charge_battery();
-       }
-
-       sharpsl_pm.machinfo->presuspend();
-
-       PEDR = 0xffffffff; /* clear it */
-
-       sharpsl_pm.flags &= ~SHARPSL_ALARM_ACTIVE;
-       if ((sharpsl_pm.charge_mode == CHRG_ON) && ((alarm_enable && ((alarm_time - RCNR) > (SHARPSL_BATCHK_TIME_SUSPEND + 30))) || !alarm_enable)) {
-               RTSR &= RTSR_ALE;
-               RTAR = RCNR + SHARPSL_BATCHK_TIME_SUSPEND;
-               dev_dbg(sharpsl_pm.dev, "Charging alarm at: %08x\n",RTAR);
-               sharpsl_pm.flags |= SHARPSL_ALARM_ACTIVE;
-       } else if (alarm_enable) {
-               RTSR &= RTSR_ALE;
-               RTAR = alarm_time;
-               dev_dbg(sharpsl_pm.dev, "User alarm at: %08x\n",RTAR);
-       } else {
-               dev_dbg(sharpsl_pm.dev, "No alarms set.\n");
-       }
-
-       pxa_pm_enter(state);
-
-       sharpsl_pm.machinfo->postsuspend();
-
-       dev_dbg(sharpsl_pm.dev, "Corgi woken up from suspend: %08x\n",PEDR);
-}
-
-static int corgi_enter_suspend(unsigned long alarm_time, unsigned int alarm_enable, suspend_state_t state)
-{
-       if (!sharpsl_pm.machinfo->should_wakeup(!(sharpsl_pm.flags & SHARPSL_ALARM_ACTIVE) && alarm_enable) )
-       {
-               if (!(sharpsl_pm.flags & SHARPSL_ALARM_ACTIVE)) {
-                       dev_dbg(sharpsl_pm.dev, "No user triggered wakeup events and not charging. Strange. Suspend.\n");
-                       corgi_goto_sleep(alarm_time, alarm_enable, state);
-                       return 1;
-               }
-               if(sharpsl_off_charge_battery()) {
-                       dev_dbg(sharpsl_pm.dev, "Charging. Suspend...\n");
-                       corgi_goto_sleep(alarm_time, alarm_enable, state);
-                       return 1;
-               }
-               dev_dbg(sharpsl_pm.dev, "User triggered wakeup in offline charger.\n");
-       }
-
-       if ((STATUS_BATT_LOCKED() == 0) || (sharpsl_fatal_check() < 0) )
-       {
-               dev_err(sharpsl_pm.dev, "Fatal condition. Suspend.\n");
-               corgi_goto_sleep(alarm_time, alarm_enable, state);
-               return 1;
-       }
-
-       return 0;
-}
-
-static int corgi_pxa_pm_enter(suspend_state_t state)
-{
-       unsigned long alarm_time = RTAR;
-       unsigned int alarm_status = ((RTSR & RTSR_ALE) != 0);
-
-       dev_dbg(sharpsl_pm.dev, "SharpSL suspending for first time.\n");
-
-       corgi_goto_sleep(alarm_time, alarm_status, state);
-
-       while (corgi_enter_suspend(alarm_time,alarm_status,state))
-               {}
-
-       dev_dbg(sharpsl_pm.dev, "SharpSL resuming...\n");
-
-       return 0;
-}
-#endif
-
-
-/*
- * Check for fatal battery errors
- * Fatal returns -1
- */
-static int sharpsl_fatal_check(void)
-{
-       int buff[5], temp, i, acin;
-
-       dev_dbg(sharpsl_pm.dev, "sharpsl_fatal_check entered\n");
-
-       /* Check AC-Adapter */
-       acin = STATUS_AC_IN();
-
-       if (acin && (sharpsl_pm.charge_mode == CHRG_ON)) {
-               CHARGE_OFF();
-               udelay(100);
-               DISCHARGE_ON(); /* enable discharge */
-               mdelay(SHARPSL_WAIT_DISCHARGE_ON);
-       }
-
-       if (sharpsl_pm.machinfo->discharge1)
-               sharpsl_pm.machinfo->discharge1(1);
-
-       /* Check battery : check inserting battery ? */
-       for (i=0; i<5; i++) {
-               buff[i] = sharpsl_read_main_battery();
-               mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT);
-       }
-
-       if (sharpsl_pm.machinfo->discharge1)
-               sharpsl_pm.machinfo->discharge1(0);
-
-       if (acin && (sharpsl_pm.charge_mode == CHRG_ON)) {
-               udelay(100);
-               CHARGE_ON();
-               DISCHARGE_OFF();
-       }
-
-       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_read_main_battery());
-
-       if ((acin && (temp < SHARPSL_FATAL_ACIN_VOLT)) ||
-                       (!acin && (temp < SHARPSL_FATAL_NOACIN_VOLT)))
-               return -1;
-       return 0;
-}
-
-static int sharpsl_off_charge_error(void)
-{
-       dev_err(sharpsl_pm.dev, "Offline Charger: Error occured.\n");
-       CHARGE_OFF();
-       CHARGE_LED_ERR();
-       sharpsl_pm.charge_mode = CHRG_ERROR;
-       return 1;
-}
-
-/*
- * Charging Control while suspended
- * Return 1 - go straight to sleep
- * Return 0 - sleep or wakeup depending on other factors
- */
-static int sharpsl_off_charge_battery(void)
-{
-       int time;
-
-       dev_dbg(sharpsl_pm.dev, "Charge Mode: %d\n", sharpsl_pm.charge_mode);
-
-       if (sharpsl_pm.charge_mode == CHRG_OFF) {
-               dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 1\n");
-
-               /* AC Check */
-               if ((sharpsl_ac_check() < 0) || (sharpsl_check_battery_temp() < 0))
-                       return sharpsl_off_charge_error();
-
-               /* Start Charging */
-               CHARGE_LED_ON();
-               CHARGE_OFF();
-               mdelay(SHARPSL_CHARGE_WAIT_TIME);
-               CHARGE_ON();
-
-               sharpsl_pm.charge_mode = CHRG_ON;
-               sharpsl_pm.full_count = 0;
-
-               return 1;
-       } else if (sharpsl_pm.charge_mode != CHRG_ON) {
-               return 1;
-       }
-
-       if (sharpsl_pm.full_count == 0) {
-               int time;
-
-               dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 2\n");
-
-               if ((sharpsl_check_battery_temp() < 0) || (sharpsl_check_battery_voltage() < 0))
-                       return sharpsl_off_charge_error();
-
-               CHARGE_OFF();
-               mdelay(SHARPSL_CHARGE_WAIT_TIME);
-               CHARGE_ON();
-               sharpsl_pm.charge_mode = CHRG_ON;
-
-               mdelay(SHARPSL_CHARGE_CO_CHECK_TIME);
-
-               time = RCNR;
-               while(1) {
-                       /* Check if any wakeup event had occured */
-                       if (sharpsl_pm.machinfo->charger_wakeup() != 0)
-                               return 0;
-                       /* Check for timeout */
-                       if ((RCNR - time) > SHARPSL_WAIT_CO_TIME)
-                               return 1;
-                       if (STATUS_CHRG_FULL()) {
-                               dev_dbg(sharpsl_pm.dev, "Offline Charger: Charge full occured. Retrying to check\n");
-                               sharpsl_pm.full_count++;
-                               CHARGE_OFF();
-                               mdelay(SHARPSL_CHARGE_WAIT_TIME);
-                               CHARGE_ON();
-                               return 1;
-                       }
-               }
-       }
-
-       dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 3\n");
-
-       mdelay(SHARPSL_CHARGE_CO_CHECK_TIME);
-
-       time = RCNR;
-       while(1) {
-               /* Check if any wakeup event had occured */
-               if (sharpsl_pm.machinfo->charger_wakeup() != 0)
-                       return 0;
-               /* Check for timeout */
-               if ((RCNR-time) > SHARPSL_WAIT_CO_TIME) {
-                       if (sharpsl_pm.full_count > SHARPSL_CHARGE_RETRY_CNT) {
-                               dev_dbg(sharpsl_pm.dev, "Offline Charger: Not charged sufficiently. Retrying.\n");
-                               sharpsl_pm.full_count = 0;
-                       }
-                       sharpsl_pm.full_count++;
-                       return 1;
-               }
-               if (STATUS_CHRG_FULL()) {
-                       dev_dbg(sharpsl_pm.dev, "Offline Charger: Charging complete.\n");
-                       CHARGE_LED_OFF();
-                       CHARGE_OFF();
-                       sharpsl_pm.charge_mode = CHRG_DONE;
-                       return 1;
-               }
-       }
-}
-
-
-static ssize_t battery_percentage_show(struct device *dev, struct device_attribute *attr, char *buf)
-{
-       return sprintf(buf, "%d\n",sharpsl_pm.battstat.mainbat_percent);
-}
-
-static ssize_t battery_voltage_show(struct device *dev, struct device_attribute *attr, char *buf)
-{
-       return sprintf(buf, "%d\n",sharpsl_pm.battstat.mainbat_voltage);
-}
-
-static DEVICE_ATTR(battery_percentage, 0444, battery_percentage_show, NULL);
-static DEVICE_ATTR(battery_voltage, 0444, battery_voltage_show, NULL);
-
-extern void (*apm_get_power_status)(struct apm_power_info *);
-
-static void sharpsl_apm_get_power_status(struct apm_power_info *info)
-{
-       info->ac_line_status = sharpsl_pm.battstat.ac_status;
-
-       if (sharpsl_pm.charge_mode == CHRG_ON)
-               info->battery_status = APM_BATTERY_STATUS_CHARGING;
-       else
-               info->battery_status = sharpsl_pm.battstat.mainbat_status;
-
-       info->battery_flag = (1 << info->battery_status);
-       info->battery_life = sharpsl_pm.battstat.mainbat_percent;
-}
-
-static struct pm_ops sharpsl_pm_ops = {
-       .pm_disk_mode   = PM_DISK_FIRMWARE,
-       .prepare        = pxa_pm_prepare,
-       .enter          = corgi_pxa_pm_enter,
-       .finish         = pxa_pm_finish,
-};
-
-static int __init sharpsl_pm_probe(struct platform_device *pdev)
-{
-       if (!pdev->dev.platform_data)
-               return -EINVAL;
-
-       sharpsl_pm.dev = &pdev->dev;
-       sharpsl_pm.machinfo = pdev->dev.platform_data;
-       sharpsl_pm.charge_mode = CHRG_OFF;
-       sharpsl_pm.flags = 0;
-
-       sharpsl_pm.machinfo->init();
-
-       init_timer(&sharpsl_pm.ac_timer);
-       sharpsl_pm.ac_timer.function = sharpsl_ac_timer;
-
-       init_timer(&sharpsl_pm.chrg_full_timer);
-       sharpsl_pm.chrg_full_timer.function = sharpsl_chrg_full_timer;
-
        pxa_gpio_mode(sharpsl_pm.machinfo->gpio_acin | GPIO_IN);
        pxa_gpio_mode(sharpsl_pm.machinfo->gpio_batfull | GPIO_IN);
        pxa_gpio_mode(sharpsl_pm.machinfo->gpio_batlock | GPIO_IN);
@@ -938,26 +165,10 @@ static int __init sharpsl_pm_probe(struct platform_device *pdev)
                }
                else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull),IRQT_RISING);
        }
-
-       device_create_file(&pdev->dev, &dev_attr_battery_percentage);
-       device_create_file(&pdev->dev, &dev_attr_battery_voltage);
-
-       apm_get_power_status = sharpsl_apm_get_power_status;
-
-       pm_set_ops(&sharpsl_pm_ops);
-
-       mod_timer(&sharpsl_pm.ac_timer, jiffies + msecs_to_jiffies(250));
-
-       return 0;
 }
 
-static int sharpsl_pm_remove(struct platform_device *pdev)
+void sharpsl_pm_pxa_remove(void)
 {
-       pm_set_ops(NULL);
-
-       device_remove_file(&pdev->dev, &dev_attr_battery_percentage);
-       device_remove_file(&pdev->dev, &dev_attr_battery_voltage);
-
        free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin), sharpsl_ac_isr);
        free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock), sharpsl_fatal_isr);
 
@@ -966,32 +177,4 @@ static int sharpsl_pm_remove(struct platform_device *pdev)
 
        if (!machine_is_corgi())
                free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull), sharpsl_chrg_full_isr);
-
-       del_timer_sync(&sharpsl_pm.chrg_full_timer);
-       del_timer_sync(&sharpsl_pm.ac_timer);
-
-       return 0;
 }
-
-static struct platform_driver sharpsl_pm_driver = {
-       .probe          = sharpsl_pm_probe,
-       .remove         = sharpsl_pm_remove,
-       .suspend        = sharpsl_pm_suspend,
-       .resume         = sharpsl_pm_resume,
-       .driver         = {
-               .name           = "sharpsl-pm",
-       },
-};
-
-static int __devinit sharpsl_pm_init(void)
-{
-       return platform_driver_register(&sharpsl_pm_driver);
-}
-
-static void sharpsl_pm_exit(void)
-{
-       platform_driver_unregister(&sharpsl_pm_driver);
-}
-
-late_initcall(sharpsl_pm_init);
-module_exit(sharpsl_pm_exit);