2005-11-10 18:42:29 +01:00
|
|
|
/*
|
|
|
|
* Battery and Power Management code for the Sharp SL-C7xx and SL-Cxx00
|
|
|
|
* series of PDAs
|
|
|
|
*
|
|
|
|
* Copyright (c) 2004-2005 Richard Purdie
|
|
|
|
*
|
|
|
|
* Based on code written by Sharp for 2.4 kernels
|
|
|
|
*
|
|
|
|
* 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.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
|
|
|
|
#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>
|
2005-11-12 19:53:48 +01:00
|
|
|
#include <linux/platform_device.h>
|
2005-11-10 18:42:29 +01:00
|
|
|
|
|
|
|
#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 "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 */
|
2005-11-12 19:53:48 +01:00
|
|
|
#define SHARPSL_CHECK_BATTERY_WAIT_TIME_ACIN 10 /* 10 msec */
|
2005-11-10 18:42:29 +01:00
|
|
|
#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 */
|
2005-11-12 19:53:48 +01:00
|
|
|
#define SHARPSL_CHARGE_ON_ACIN_HIGH 0x9b /* 6V */
|
|
|
|
#define SHARPSL_CHARGE_ON_ACIN_LOW 0x34 /* 2V */
|
2005-11-10 18:42:29 +01:00
|
|
|
#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},
|
|
|
|
{ 211, 95},
|
|
|
|
{ 210, 93},
|
|
|
|
{ 209, 90},
|
|
|
|
{ 208, 88},
|
|
|
|
{ 207, 85},
|
|
|
|
{ 206, 83},
|
|
|
|
{ 205, 80},
|
|
|
|
{ 204, 78},
|
|
|
|
{ 203, 75},
|
|
|
|
{ 202, 73},
|
|
|
|
{ 201, 70},
|
|
|
|
{ 200, 68},
|
|
|
|
{ 199, 65},
|
|
|
|
{ 198, 63},
|
|
|
|
{ 197, 60},
|
|
|
|
{ 196, 58},
|
|
|
|
{ 195, 55},
|
|
|
|
{ 194, 53},
|
|
|
|
{ 193, 50},
|
|
|
|
{ 192, 48},
|
|
|
|
{ 192, 45},
|
|
|
|
{ 191, 43},
|
|
|
|
{ 191, 40},
|
|
|
|
{ 190, 38},
|
|
|
|
{ 190, 35},
|
|
|
|
{ 189, 33},
|
|
|
|
{ 188, 30},
|
|
|
|
{ 187, 28},
|
|
|
|
{ 186, 25},
|
|
|
|
{ 185, 23},
|
|
|
|
{ 184, 20},
|
|
|
|
{ 183, 18},
|
|
|
|
{ 182, 15},
|
|
|
|
{ 181, 13},
|
|
|
|
{ 180, 10},
|
|
|
|
{ 179, 8},
|
|
|
|
{ 178, 5},
|
|
|
|
{ 0, 0},
|
|
|
|
};
|
|
|
|
|
|
|
|
struct battery_thresh spitz_battery_levels_noac[] = {
|
|
|
|
{ 213, 100},
|
|
|
|
{ 212, 98},
|
|
|
|
{ 211, 95},
|
|
|
|
{ 210, 93},
|
|
|
|
{ 209, 90},
|
|
|
|
{ 208, 88},
|
|
|
|
{ 207, 85},
|
|
|
|
{ 206, 83},
|
|
|
|
{ 205, 80},
|
|
|
|
{ 204, 78},
|
|
|
|
{ 203, 75},
|
|
|
|
{ 202, 73},
|
|
|
|
{ 201, 70},
|
|
|
|
{ 200, 68},
|
|
|
|
{ 199, 65},
|
|
|
|
{ 198, 63},
|
|
|
|
{ 197, 60},
|
|
|
|
{ 196, 58},
|
|
|
|
{ 195, 55},
|
|
|
|
{ 194, 53},
|
|
|
|
{ 193, 50},
|
|
|
|
{ 192, 48},
|
|
|
|
{ 191, 45},
|
|
|
|
{ 190, 43},
|
|
|
|
{ 189, 40},
|
|
|
|
{ 188, 38},
|
|
|
|
{ 187, 35},
|
|
|
|
{ 186, 33},
|
|
|
|
{ 185, 30},
|
|
|
|
{ 184, 28},
|
|
|
|
{ 183, 25},
|
|
|
|
{ 182, 23},
|
|
|
|
{ 181, 20},
|
|
|
|
{ 180, 18},
|
|
|
|
{ 179, 15},
|
|
|
|
{ 178, 13},
|
|
|
|
{ 177, 10},
|
|
|
|
{ 176, 8},
|
|
|
|
{ 175, 5},
|
|
|
|
{ 0, 0},
|
|
|
|
};
|
|
|
|
|
|
|
|
/* MAX1111 Commands */
|
|
|
|
#define MAXCTRL_PD0 1u << 0
|
|
|
|
#define MAXCTRL_PD1 1u << 1
|
|
|
|
#define MAXCTRL_SGL 1u << 2
|
|
|
|
#define MAXCTRL_UNI 1u << 3
|
|
|
|
#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
|
|
|
|
*/
|
2005-11-12 19:53:48 +01:00
|
|
|
static int sharpsl_read_main_battery(void);
|
2005-11-10 18:42:29 +01:00
|
|
|
static int sharpsl_off_charge_battery(void);
|
2005-11-12 19:53:48 +01:00
|
|
|
static int sharpsl_check_battery_temp(void);
|
|
|
|
static int sharpsl_check_battery_voltage(void);
|
2005-11-10 18:42:29 +01:00
|
|
|
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;
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
sharpsl_pm.battstat.ac_status = (STATUS_AC_IN() ? APM_AC_ONLINE : APM_AC_OFFLINE);
|
2005-11-10 18:42:29 +01:00
|
|
|
|
|
|
|
/* 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) {
|
2005-11-12 19:53:48 +01:00
|
|
|
voltage = sharpsl_read_main_battery();
|
2005-11-10 18:42:29 +01:00
|
|
|
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);
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
if (STATUS_AC_IN() == 0) {
|
2005-11-10 18:42:29 +01:00
|
|
|
sharpsl_charge_off();
|
|
|
|
return;
|
2005-11-12 19:53:48 +01:00
|
|
|
} else if ((sharpsl_check_battery_temp() < 0) || (sharpsl_ac_check() < 0)) {
|
2005-11-10 18:42:29 +01:00
|
|
|
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)
|
|
|
|
{
|
2005-11-12 19:53:48 +01:00
|
|
|
int acin = STATUS_AC_IN();
|
2005-11-10 18:42:29 +01:00
|
|
|
|
|
|
|
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++;
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
if (STATUS_AC_IN() == 0) {
|
2005-11-10 18:42:29 +01:00
|
|
|
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;
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
if (STATUS_BATT_LOCKED() == 0) {
|
2005-11-10 18:42:29 +01:00
|
|
|
dev_err(sharpsl_pm.dev, "Battery now Unlocked! Suspending.\n");
|
|
|
|
is_fatal = 1;
|
|
|
|
}
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
if (sharpsl_pm.machinfo->gpio_fatal && (STATUS_FATAL() == 0)) {
|
2005-11-10 18:42:29 +01:00
|
|
|
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)
|
|
|
|
{
|
|
|
|
return corgi_ssp_max1111_get((channel << MAXCTRL_SEL_SH) | MAXCTRL_PD0 | MAXCTRL_PD1
|
|
|
|
| MAXCTRL_SGL | MAXCTRL_UNI | MAXCTRL_STR);
|
|
|
|
}
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
static int sharpsl_read_main_battery(void)
|
2005-11-10 18:42:29 +01:00
|
|
|
{
|
|
|
|
return read_max1111(BATT_AD);
|
|
|
|
}
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
static int sharpsl_read_temp(void)
|
2005-11-10 18:42:29 +01:00
|
|
|
{
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
static int sharpsl_read_acin(void)
|
2005-11-10 18:42:29 +01:00
|
|
|
{
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
static int sharpsl_check_battery_temp(void)
|
2005-11-10 18:42:29 +01:00
|
|
|
{
|
|
|
|
int val, i, buff[5];
|
|
|
|
|
|
|
|
/* Check battery temperature */
|
|
|
|
for (i=0; i<5; i++) {
|
|
|
|
mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP);
|
2005-11-12 19:53:48 +01:00
|
|
|
buff[i] = sharpsl_read_temp();
|
2005-11-10 18:42:29 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
val = get_select_val(buff);
|
|
|
|
|
|
|
|
dev_dbg(sharpsl_pm.dev, "Temperature: %d\n", val);
|
|
|
|
if (val > SHARPSL_CHARGE_ON_TEMP)
|
|
|
|
return -1;
|
2005-11-12 19:53:48 +01:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int sharpsl_check_battery_voltage(void)
|
|
|
|
{
|
|
|
|
int val, i, buff[5];
|
2005-11-10 18:42:29 +01:00
|
|
|
|
|
|
|
/* 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++) {
|
2005-11-12 19:53:48 +01:00
|
|
|
buff[i] = sharpsl_read_main_battery();
|
2005-11-10 18:42:29 +01:00
|
|
|
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++) {
|
2005-11-12 19:53:48 +01:00
|
|
|
buff[i] = sharpsl_read_acin();
|
|
|
|
mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_ACIN);
|
2005-11-10 18:42:29 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
temp = get_select_val(buff);
|
|
|
|
dev_dbg(sharpsl_pm.dev, "AC Voltage: %d\n",temp);
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
if ((temp > SHARPSL_CHARGE_ON_ACIN_HIGH) || (temp < SHARPSL_CHARGE_ON_ACIN_LOW)) {
|
2005-11-10 18:42:29 +01:00
|
|
|
dev_err(sharpsl_pm.dev, "Error: AC check failed.\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef CONFIG_PM
|
2005-11-12 19:53:48 +01:00
|
|
|
static int sharpsl_pm_suspend(struct platform_device *pdev, pm_message_t state)
|
2005-11-10 18:42:29 +01:00
|
|
|
{
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
static int sharpsl_pm_resume(struct platform_device *pdev)
|
2005-11-10 18:42:29 +01:00
|
|
|
{
|
|
|
|
/* 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! */
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
if ((sharpsl_pm.flags & SHARPSL_DO_OFFLINE_CHRG) && (STATUS_AC_IN() != 0)) {
|
2005-11-10 18:42:29 +01:00
|
|
|
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");
|
|
|
|
}
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
if ((STATUS_BATT_LOCKED() == 0) || (sharpsl_fatal_check() < 0) )
|
2005-11-10 18:42:29 +01:00
|
|
|
{
|
|
|
|
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 */
|
2005-11-12 19:53:48 +01:00
|
|
|
acin = STATUS_AC_IN();
|
2005-11-10 18:42:29 +01:00
|
|
|
|
|
|
|
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++) {
|
2005-11-12 19:53:48 +01:00
|
|
|
buff[i] = sharpsl_read_main_battery();
|
2005-11-10 18:42:29 +01:00
|
|
|
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);
|
2005-11-12 19:53:48 +01:00
|
|
|
dev_dbg(sharpsl_pm.dev, "sharpsl_fatal_check: acin: %d, discharge voltage: %d, no discharge: %d\n", acin, temp, sharpsl_read_main_battery());
|
2005-11-10 18:42:29 +01:00
|
|
|
|
|
|
|
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 */
|
2005-11-12 19:53:48 +01:00
|
|
|
if ((sharpsl_ac_check() < 0) || (sharpsl_check_battery_temp() < 0))
|
2005-11-10 18:42:29 +01:00
|
|
|
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");
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
if ((sharpsl_check_battery_temp() < 0) || (sharpsl_check_battery_voltage() < 0))
|
2005-11-10 18:42:29 +01:00
|
|
|
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;
|
2005-11-12 19:53:48 +01:00
|
|
|
if (STATUS_CHRG_FULL()) {
|
2005-11-10 18:42:29 +01:00
|
|
|
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;
|
|
|
|
}
|
2005-11-12 19:53:48 +01:00
|
|
|
if (STATUS_CHRG_FULL()) {
|
2005-11-10 18:42:29 +01:00
|
|
|
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,
|
|
|
|
};
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
static int __init sharpsl_pm_probe(struct platform_device *pdev)
|
2005-11-10 18:42:29 +01:00
|
|
|
{
|
2005-11-12 19:53:48 +01:00
|
|
|
if (!pdev->dev.platform_data)
|
2005-11-10 18:42:29 +01:00
|
|
|
return -EINVAL;
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
sharpsl_pm.dev = &pdev->dev;
|
|
|
|
sharpsl_pm.machinfo = pdev->dev.platform_data;
|
2005-11-10 18:42:29 +01:00
|
|
|
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);
|
|
|
|
|
|
|
|
/* Register interrupt handlers */
|
|
|
|
if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin), sharpsl_ac_isr, SA_INTERRUPT, "AC Input Detect", sharpsl_ac_isr)) {
|
|
|
|
dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin));
|
|
|
|
}
|
|
|
|
else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin),IRQT_BOTHEDGE);
|
|
|
|
|
|
|
|
if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock), sharpsl_fatal_isr, SA_INTERRUPT, "Battery Cover", sharpsl_fatal_isr)) {
|
|
|
|
dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock));
|
|
|
|
}
|
|
|
|
else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock),IRQT_FALLING);
|
|
|
|
|
|
|
|
if (sharpsl_pm.machinfo->gpio_fatal) {
|
|
|
|
if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal), sharpsl_fatal_isr, SA_INTERRUPT, "Fatal Battery", sharpsl_fatal_isr)) {
|
|
|
|
dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal));
|
|
|
|
}
|
|
|
|
else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal),IRQT_FALLING);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!machine_is_corgi())
|
|
|
|
{
|
|
|
|
/* Register interrupt handler. */
|
|
|
|
if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull), sharpsl_chrg_full_isr, SA_INTERRUPT, "CO", sharpsl_chrg_full_isr)) {
|
|
|
|
dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull));
|
|
|
|
}
|
|
|
|
else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull),IRQT_RISING);
|
|
|
|
}
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
device_create_file(&pdev->dev, &dev_attr_battery_percentage);
|
|
|
|
device_create_file(&pdev->dev, &dev_attr_battery_voltage);
|
2005-11-10 18:42:29 +01:00
|
|
|
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
static int sharpsl_pm_remove(struct platform_device *pdev)
|
2005-11-10 18:42:29 +01:00
|
|
|
{
|
|
|
|
pm_set_ops(NULL);
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
device_remove_file(&pdev->dev, &dev_attr_battery_percentage);
|
|
|
|
device_remove_file(&pdev->dev, &dev_attr_battery_voltage);
|
2005-11-10 18:42:29 +01:00
|
|
|
|
|
|
|
free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin), sharpsl_ac_isr);
|
|
|
|
free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock), sharpsl_fatal_isr);
|
|
|
|
|
|
|
|
if (sharpsl_pm.machinfo->gpio_fatal)
|
|
|
|
free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal), sharpsl_fatal_isr);
|
|
|
|
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2005-11-12 19:53:48 +01:00
|
|
|
static struct platform_driver sharpsl_pm_driver = {
|
2005-11-10 18:42:29 +01:00
|
|
|
.probe = sharpsl_pm_probe,
|
|
|
|
.remove = sharpsl_pm_remove,
|
|
|
|
.suspend = sharpsl_pm_suspend,
|
|
|
|
.resume = sharpsl_pm_resume,
|
2005-11-12 19:53:48 +01:00
|
|
|
.driver = {
|
|
|
|
.name = "sharpsl-pm",
|
|
|
|
},
|
2005-11-10 18:42:29 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
static int __devinit sharpsl_pm_init(void)
|
|
|
|
{
|
2005-11-12 19:53:48 +01:00
|
|
|
return platform_driver_register(&sharpsl_pm_driver);
|
2005-11-10 18:42:29 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
static void sharpsl_pm_exit(void)
|
|
|
|
{
|
2005-11-12 19:53:48 +01:00
|
|
|
platform_driver_unregister(&sharpsl_pm_driver);
|
2005-11-10 18:42:29 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
late_initcall(sharpsl_pm_init);
|
|
|
|
module_exit(sharpsl_pm_exit);
|