summaryrefslogtreecommitdiffstats
path: root/arch/arm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-pxa/sharpsl.h8
-rw-r--r--arch/arm/mach-pxa/sharpsl_pm.c109
2 files changed, 61 insertions, 56 deletions
diff --git a/arch/arm/mach-pxa/sharpsl.h b/arch/arm/mach-pxa/sharpsl.h
index 4879c0f7da7..b0c40a1d667 100644
--- a/arch/arm/mach-pxa/sharpsl.h
+++ b/arch/arm/mach-pxa/sharpsl.h
@@ -115,7 +115,7 @@ extern struct battery_thresh spitz_battery_levels_noac[];
#define CHARGE_LED_ERR() sharpsl_pm.machinfo->chargeled(SHARPSL_LED_ERROR)
#define DISCHARGE_ON() sharpsl_pm.machinfo->discharge(1)
#define DISCHARGE_OFF() sharpsl_pm.machinfo->discharge(0)
-#define STATUS_AC_IN sharpsl_pm.machinfo->status_acin()
-#define STATUS_BATT_LOCKED READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_batlock)
-#define STATUS_CHRG_FULL READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_batfull)
-#define STATUS_FATAL READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_fatal)
+#define STATUS_AC_IN() sharpsl_pm.machinfo->status_acin()
+#define STATUS_BATT_LOCKED() READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_batlock)
+#define STATUS_CHRG_FULL() READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_batfull)
+#define STATUS_FATAL() READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_fatal)
diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index 6c9e871c53d..c10be00fb52 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -21,7 +21,7 @@
#include <linux/apm_bios.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
#include <asm/hardware.h>
#include <asm/hardware/scoop.h>
@@ -45,15 +45,15 @@
#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_JKVAD 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_JKVAD_HIGH 0x9b /* 6V */
-#define SHARPSL_CHARGE_ON_JKVAD_LOW 0x34 /* 2V */
+#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 */
@@ -160,9 +160,10 @@ struct battery_thresh spitz_battery_levels_noac[] = {
/*
* Prototypes
*/
-static int sharpsl_read_MainBattery(void);
+static int sharpsl_read_main_battery(void);
static int sharpsl_off_charge_battery(void);
-static int sharpsl_check_battery(int mode);
+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);
@@ -228,7 +229,7 @@ static void sharpsl_battery_thread(void *private_)
if (!sharpsl_pm.machinfo)
return;
- sharpsl_pm.battstat.ac_status = (!(STATUS_AC_IN) ? APM_AC_OFFLINE : APM_AC_ONLINE);
+ 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)
@@ -236,7 +237,7 @@ static void sharpsl_battery_thread(void *private_)
schedule_work(&toggle_charger);
while(1) {
- voltage = sharpsl_read_MainBattery();
+ voltage = sharpsl_read_main_battery();
if (voltage > 0) break;
if (i++ > 5) {
voltage = sharpsl_pm.machinfo->bat_levels_noac[0].voltage;
@@ -317,10 +318,10 @@ static void sharpsl_charge_toggle(void *private_)
{
dev_dbg(sharpsl_pm.dev, "Toogling Charger at time: %lx\n", jiffies);
- if (STATUS_AC_IN == 0) {
+ if (STATUS_AC_IN() == 0) {
sharpsl_charge_off();
return;
- } else if ((sharpsl_check_battery(1) < 0) || (sharpsl_ac_check() < 0)) {
+ } else if ((sharpsl_check_battery_temp() < 0) || (sharpsl_ac_check() < 0)) {
sharpsl_charge_error();
return;
}
@@ -335,7 +336,7 @@ static void sharpsl_charge_toggle(void *private_)
static void sharpsl_ac_timer(unsigned long data)
{
- int acin = STATUS_AC_IN;
+ int acin = STATUS_AC_IN();
dev_dbg(sharpsl_pm.dev, "AC Status: %d\n",acin);
@@ -364,7 +365,7 @@ static void sharpsl_chrg_full_timer(unsigned long data)
sharpsl_pm.full_count++;
- if (STATUS_AC_IN == 0) {
+ 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();
@@ -399,12 +400,12 @@ static irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id, struct pt_regs *fp)
{
int is_fatal = 0;
- if (STATUS_BATT_LOCKED == 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)) {
+ if (sharpsl_pm.machinfo->gpio_fatal && (STATUS_FATAL() == 0)) {
dev_err(sharpsl_pm.dev, "Fatal Batt Error! Suspending.\n");
is_fatal = 1;
}
@@ -461,12 +462,12 @@ static int read_max1111(int channel)
| MAXCTRL_SGL | MAXCTRL_UNI | MAXCTRL_STR);
}
-static int sharpsl_read_MainBattery(void)
+static int sharpsl_read_main_battery(void)
{
return read_max1111(BATT_AD);
}
-static int sharpsl_read_Temp(void)
+static int sharpsl_read_temp(void)
{
int temp;
@@ -480,7 +481,7 @@ static int sharpsl_read_Temp(void)
return temp;
}
-static int sharpsl_read_jkvad(void)
+static int sharpsl_read_acin(void)
{
return read_max1111(JK_VAD);
}
@@ -522,16 +523,14 @@ static int get_select_val(int *val)
return (sum/3);
}
-/* mode 0 - Check temperature and voltage
- * 1 - Check temperature only */
-static int sharpsl_check_battery(int mode)
+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();
+ buff[i] = sharpsl_read_temp();
}
val = get_select_val(buff);
@@ -539,8 +538,13 @@ static int sharpsl_check_battery(int mode)
dev_dbg(sharpsl_pm.dev, "Temperature: %d\n", val);
if (val > SHARPSL_CHARGE_ON_TEMP)
return -1;
- if (mode == 1)
- return 0;
+
+ return 0;
+}
+
+static int sharpsl_check_battery_voltage(void)
+{
+ int val, i, buff[5];
/* disable charge, enable discharge */
CHARGE_OFF();
@@ -552,7 +556,7 @@ static int sharpsl_check_battery(int mode)
/* Check battery voltage */
for (i=0; i<5; i++) {
- buff[i] = sharpsl_read_MainBattery();
+ buff[i] = sharpsl_read_main_battery();
mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT);
}
@@ -575,14 +579,14 @@ static int sharpsl_ac_check(void)
int temp, i, buff[5];
for (i=0; i<5; i++) {
- buff[i] = sharpsl_read_jkvad();
- mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_JKVAD);
+ 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_JKVAD_HIGH) || (temp < SHARPSL_CHARGE_ON_JKVAD_LOW)) {
+ 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;
}
@@ -591,7 +595,7 @@ static int sharpsl_ac_check(void)
}
#ifdef CONFIG_PM
-static int sharpsl_pm_suspend(struct device *dev, pm_message_t state)
+static int sharpsl_pm_suspend(struct platform_device *pdev, pm_message_t state)
{
sharpsl_pm.flags |= SHARPSL_SUSPENDED;
flush_scheduled_work();
@@ -604,7 +608,7 @@ static int sharpsl_pm_suspend(struct device *dev, pm_message_t state)
return 0;
}
-static int sharpsl_pm_resume(struct device *dev)
+static int sharpsl_pm_resume(struct platform_device *pdev)
{
/* Clear the reset source indicators as they break the bootloader upon reboot */
RCSR = 0x0f;
@@ -622,7 +626,7 @@ static void corgi_goto_sleep(unsigned long alarm_time, unsigned int alarm_enable
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)) {
+ 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;
@@ -671,7 +675,7 @@ static int corgi_enter_suspend(unsigned long alarm_time, unsigned int alarm_enab
dev_dbg(sharpsl_pm.dev, "User triggered wakeup in offline charger.\n");
}
- if ((STATUS_BATT_LOCKED == 0) || (sharpsl_fatal_check() < 0) )
+ 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);
@@ -711,7 +715,7 @@ static int sharpsl_fatal_check(void)
dev_dbg(sharpsl_pm.dev, "sharpsl_fatal_check entered\n");
/* Check AC-Adapter */
- acin = STATUS_AC_IN;
+ acin = STATUS_AC_IN();
if (acin && (sharpsl_pm.charge_mode == CHRG_ON)) {
CHARGE_OFF();
@@ -725,7 +729,7 @@ static int sharpsl_fatal_check(void)
/* Check battery : check inserting battery ? */
for (i=0; i<5; i++) {
- buff[i] = sharpsl_read_MainBattery();
+ buff[i] = sharpsl_read_main_battery();
mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT);
}
@@ -739,7 +743,7 @@ 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_read_MainBattery());
+ 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)))
@@ -771,7 +775,7 @@ static int sharpsl_off_charge_battery(void)
dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 1\n");
/* AC Check */
- if ((sharpsl_ac_check() < 0) || (sharpsl_check_battery(1) < 0))
+ if ((sharpsl_ac_check() < 0) || (sharpsl_check_battery_temp() < 0))
return sharpsl_off_charge_error();
/* Start Charging */
@@ -793,7 +797,7 @@ static int sharpsl_off_charge_battery(void)
dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 2\n");
- if (sharpsl_check_battery(0) < 0)
+ if ((sharpsl_check_battery_temp() < 0) || (sharpsl_check_battery_voltage() < 0))
return sharpsl_off_charge_error();
CHARGE_OFF();
@@ -811,7 +815,7 @@ static int sharpsl_off_charge_battery(void)
/* Check for timeout */
if ((RCNR - time) > SHARPSL_WAIT_CO_TIME)
return 1;
- if (STATUS_CHRG_FULL) {
+ if (STATUS_CHRG_FULL()) {
dev_dbg(sharpsl_pm.dev, "Offline Charger: Charge full occured. Retrying to check\n");
sharpsl_pm.full_count++;
CHARGE_OFF();
@@ -840,7 +844,7 @@ static int sharpsl_off_charge_battery(void)
sharpsl_pm.full_count++;
return 1;
}
- if (STATUS_CHRG_FULL) {
+ if (STATUS_CHRG_FULL()) {
dev_dbg(sharpsl_pm.dev, "Offline Charger: Charging complete.\n");
CHARGE_LED_OFF();
CHARGE_OFF();
@@ -886,13 +890,13 @@ static struct pm_ops sharpsl_pm_ops = {
.finish = pxa_pm_finish,
};
-static int __init sharpsl_pm_probe(struct device *dev)
+static int __init sharpsl_pm_probe(struct platform_device *pdev)
{
- if (!dev->platform_data)
+ if (!pdev->dev.platform_data)
return -EINVAL;
- sharpsl_pm.dev = dev;
- sharpsl_pm.machinfo = dev->platform_data;
+ sharpsl_pm.dev = &pdev->dev;
+ sharpsl_pm.machinfo = pdev->dev.platform_data;
sharpsl_pm.charge_mode = CHRG_OFF;
sharpsl_pm.flags = 0;
@@ -935,8 +939,8 @@ static int __init sharpsl_pm_probe(struct device *dev)
else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull),IRQT_RISING);
}
- device_create_file(dev, &dev_attr_battery_percentage);
- device_create_file(dev, &dev_attr_battery_voltage);
+ 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;
@@ -947,12 +951,12 @@ static int __init sharpsl_pm_probe(struct device *dev)
return 0;
}
-static int sharpsl_pm_remove(struct device *dev)
+static int sharpsl_pm_remove(struct platform_device *pdev)
{
pm_set_ops(NULL);
- device_remove_file(dev, &dev_attr_battery_percentage);
- device_remove_file(dev, &dev_attr_battery_voltage);
+ 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);
@@ -969,23 +973,24 @@ static int sharpsl_pm_remove(struct device *dev)
return 0;
}
-static struct device_driver sharpsl_pm_driver = {
- .name = "sharpsl-pm",
- .bus = &platform_bus_type,
+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 driver_register(&sharpsl_pm_driver);
+ return platform_driver_register(&sharpsl_pm_driver);
}
static void sharpsl_pm_exit(void)
{
- driver_unregister(&sharpsl_pm_driver);
+ platform_driver_unregister(&sharpsl_pm_driver);
}
late_initcall(sharpsl_pm_init);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-28 13:44:39 +0000