static int batt_read_adc(int channel, int *mv_reading)
{
int ret;
void *h;
struct adc_chan_result adc_chan_result;
struct completion conv_complete_evt;
#ifdef CONFIG_LGE_PM
int wait_ret;
#endif
pr_debug("%s: called for %d\n", __func__, channel);
ret = adc_channel_open(channel, &h);
if (ret) {
pr_err("%s: couldnt open channel %d ret=%d\n",
__func__, channel, ret);
goto out;
}
init_completion(&conv_complete_evt);
ret = adc_channel_request_conv(h, &conv_complete_evt);
if (ret) {
pr_err("%s: couldnt request conv channel %d ret=%d\n",
__func__, channel, ret);
goto out;
}
#ifdef CONFIG_LGE_PM
wait_ret = wait_for_completion_timeout(&conv_complete_evt, msecs_to_jiffies(MSM_PMIC_ADC_READ_TIMEOUT));
if(wait_ret <= 0)
{
printk(KERN_ERR "===%s: failed to adc wait for completion!===\n",__func__);
goto sanity_out;
}
#else
wait_for_completion(&conv_complete_evt);
#endif
ret = adc_channel_read_result(h, &adc_chan_result);
if (ret) {
pr_err("%s: couldnt read result channel %d ret=%d\n",
__func__, channel, ret);
goto out;
}
ret = adc_channel_close(h);
if (ret) {
pr_err("%s: couldnt close channel %d ret=%d\n",
__func__, channel, ret);
}
if (mv_reading)
*mv_reading = adc_chan_result.measurement;
pr_debug("%s: done for %d\n", __func__, channel);
return adc_chan_result.physical;
out:
pr_debug("%s: done for %d\n", __func__, channel);
return -EINVAL;
#ifdef CONFIG_LGE_PM
sanity_out:
pm8058_xoadc_clear_recentQ();
ret = adc_channel_close(h);
if (ret) {
pr_err("%s: couldnt close channel %d ret=%d\n",
__func__, channel, ret);
}
if(channel == CHANNEL_ADC_BATT_THERM)
{
printk(KERN_ERR "============== batt temp adc read fail so default temp ===============\n");
if (mv_reading)
*mv_reading = MSM_CHARGER_GAUGE_MISSING_TEMP_ADC;
return MSM_CHARGER_GAUGE_MISSING_TEMP;
}
else if(channel == CHANNEL_ADC_ACC)
{
printk(KERN_ERR "============== ACC adc read fail so default usb ===============\n");
return CHANNEL_ADC_ACC_MISSING;
}
else
{
printk(KERN_ERR "============== adc read fail ===============\n");
return -EINVAL;
}
#endif
}
static int pm8xxx_tz_get_temp_pm8058_adc(struct thermal_zone_device *thermal,
unsigned long *temp)
{
struct pm8xxx_tm_chip *chip = thermal->devdata;
DECLARE_COMPLETION_ONSTACK(wait);
struct adc_chan_result adc_result = {
.physical = 0lu,
};
int rc;
#ifdef CONFIG_LGE_PM /* */
int wait_ret;
#endif
if (!chip || !temp)
return -EINVAL;
*temp = chip->temp;
rc = adc_channel_request_conv(chip->adc_handle, &wait);
if (rc < 0) {
pr_err("%s: adc_channel_request_conv() failed, rc = %d\n",
__func__, rc);
return rc;
}
#ifdef CONFIG_LGE_PM /* */
wait_ret = wait_for_completion_timeout(&wait, msecs_to_jiffies(MSM_PMIC_ADC_READ_TIMEOUT));
if(wait_ret <= 0)
{
printk(KERN_ERR "===%s: failed to adc wait for completion!===\n",__func__);
goto sanity_out;
}
#else
wait_for_completion(&wait);
#endif
rc = adc_channel_read_result(chip->adc_handle, &adc_result);
if (rc < 0) {
pr_err("%s: adc_channel_read_result() failed, rc = %d\n",
__func__, rc);
return rc;
}
*temp = adc_result.physical;
chip->temp = adc_result.physical;
#if defined(CONFIG_MACH_LGE_325_BOARD_SKT) || defined(CONFIG_MACH_LGE_325_BOARD_LGU) /* */
if (chip->temp > 46000)
{
printk("%s: pmic_die_temp = %ld temp_range = %d \n", __func__, *temp, pmic_die_temp_range);
pmic_die_temp_range = 3;
}
else if (chip->temp > 44000)
pmic_die_temp_range = 2;
else if (chip->temp > 39000)
pmic_die_temp_range = 1;
else
pmic_die_temp_range = 0;
#endif
return 0;
#ifdef CONFIG_LGE_PM /* */
sanity_out:
pm8058_xoadc_clear_recentQ();
*temp = MSM_CHARGER_GAUGE_MISSING_TEMP;
chip->temp = MSM_CHARGER_GAUGE_MISSING_TEMP;
printk(KERN_ERR "============== batt temp adc read fail so default temp ===============\n");
return 0;
#endif
}
static int pm8xxx_tz_get_temp_pm8xxx_adc(struct thermal_zone_device *thermal,
unsigned long *temp)
{
struct pm8xxx_tm_chip *chip = thermal->devdata;
struct pm8xxx_adc_chan_result result = {
.physical = 0lu,
};
int rc;
if (!chip || !temp)
return -EINVAL;
*temp = chip->temp;
rc = pm8xxx_adc_read(chip->cdata.adc_channel, &result);
if (rc < 0) {
pr_err("%s: adc_channel_read_result() failed, rc = %d\n",
chip->cdata.tm_name, rc);
return rc;
}
*temp = result.physical;
chip->temp = result.physical;
return 0;
}
static int pm8xxx_tz_get_mode(struct thermal_zone_device *thermal,
enum thermal_device_mode *mode)
{
struct pm8xxx_tm_chip *chip = thermal->devdata;
if (!chip || !mode)
return -EINVAL;
*mode = chip->mode;
return 0;
}
static int pm8xxx_tz_set_mode(struct thermal_zone_device *thermal,
enum thermal_device_mode mode)
{
struct pm8xxx_tm_chip *chip = thermal->devdata;
if (!chip)
return -EINVAL;
if (mode != chip->mode) {
if (mode == THERMAL_DEVICE_ENABLED)
pm8xxx_tm_shutdown_override(chip,
SOFTWARE_OVERRIDE_ENABLED);
else
pm8xxx_tm_shutdown_override(chip,
SOFTWARE_OVERRIDE_DISABLED);
}
chip->mode = mode;
return 0;
}
static int pm8xxx_tz_get_trip_type(struct thermal_zone_device *thermal,
int trip, enum thermal_trip_type *type)
{
if (trip < 0 || !type)
return -EINVAL;
switch (trip) {
case TRIP_STAGE3:
*type = THERMAL_TRIP_CRITICAL;
break;
case TRIP_STAGE2:
*type = THERMAL_TRIP_HOT;
break;
case TRIP_STAGE1:
*type = THERMAL_TRIP_HOT;
break;
default:
return -EINVAL;
}
return 0;
}
static int pm8xxx_tz_get_trip_temp(struct thermal_zone_device *thermal,
int trip, unsigned long *temp)
{
struct pm8xxx_tm_chip *chip = thermal->devdata;
int thresh_temp;
if (!chip || trip < 0 || !temp)
return -EINVAL;
thresh_temp = chip->thresh * TEMP_THRESH_STEP +
TEMP_THRESH_MIN;
switch (trip) {
case TRIP_STAGE3:
thresh_temp += 2 * TEMP_STAGE_STEP;
break;
case TRIP_STAGE2:
thresh_temp += TEMP_STAGE_STEP;
break;
case TRIP_STAGE1:
break;
default:
return -EINVAL;
}
*temp = thresh_temp;
return 0;
}
static int pm8xxx_tz_get_crit_temp(struct thermal_zone_device *thermal,
unsigned long *temp)
{
struct pm8xxx_tm_chip *chip = thermal->devdata;
if (!chip || !temp)
return -EINVAL;
*temp = chip->thresh * TEMP_THRESH_STEP + TEMP_THRESH_MIN +
2 * TEMP_STAGE_STEP;
return 0;
}
static struct thermal_zone_device_ops pm8xxx_thermal_zone_ops_no_adc = {
.get_temp = pm8xxx_tz_get_temp_no_adc,
.get_mode = pm8xxx_tz_get_mode,
.set_mode = pm8xxx_tz_set_mode,
.get_trip_type = pm8xxx_tz_get_trip_type,
.get_trip_temp = pm8xxx_tz_get_trip_temp,
.get_crit_temp = pm8xxx_tz_get_crit_temp,
};
static struct thermal_zone_device_ops pm8xxx_thermal_zone_ops_pm8xxx_adc = {
.get_temp = pm8xxx_tz_get_temp_pm8xxx_adc,
.get_mode = pm8xxx_tz_get_mode,
.set_mode = pm8xxx_tz_set_mode,
.get_trip_type = pm8xxx_tz_get_trip_type,
.get_trip_temp = pm8xxx_tz_get_trip_temp,
.get_crit_temp = pm8xxx_tz_get_crit_temp,
};
static struct thermal_zone_device_ops pm8xxx_thermal_zone_ops_pm8058_adc = {
.get_temp = pm8xxx_tz_get_temp_pm8058_adc,
.get_mode = pm8xxx_tz_get_mode,
.set_mode = pm8xxx_tz_set_mode,
.get_trip_type = pm8xxx_tz_get_trip_type,
.get_trip_temp = pm8xxx_tz_get_trip_temp,
.get_crit_temp = pm8xxx_tz_get_crit_temp,
};
static void pm8xxx_tm_work(struct work_struct *work)
{
struct pm8xxx_tm_chip *chip
= container_of(work, struct pm8xxx_tm_chip, irq_work);
int rc;
u8 reg;
rc = pm8xxx_tm_read_ctrl(chip, ®);
if (rc < 0)
goto bail;
if (chip->cdata.adc_type == PM8XXX_TM_ADC_NONE) {
rc = pm8xxx_tm_update_temp_no_adc(chip);
if (rc < 0)
goto bail;
pr_info("%s: Temp Alarm - stage=%u, threshold=%u, "
"temp=%lu mC\n", chip->cdata.tm_name, chip->stage,
chip->thresh, chip->temp);
} else {
chip->stage = (reg & TEMP_ALARM_CTRL_STATUS_MASK)
>> TEMP_ALARM_CTRL_STATUS_SHIFT;
chip->thresh = (reg & TEMP_ALARM_CTRL_THRESH_MASK)
>> TEMP_ALARM_CTRL_THRESH_SHIFT;
pr_info("%s: Temp Alarm - stage=%u, threshold=%u\n",
chip->cdata.tm_name, chip->stage, chip->thresh);
}
/* Clear status bits. */
if (reg & (TEMP_ALARM_CTRL_ST2_SD | TEMP_ALARM_CTRL_ST3_SD)) {
reg &= ~(TEMP_ALARM_CTRL_ST2_SD | TEMP_ALARM_CTRL_ST3_SD
| TEMP_ALARM_CTRL_STATUS_MASK);
pm8xxx_tm_write_ctrl(chip, reg);
}
thermal_zone_device_update(chip->tz_dev);
/* Notify user space */
if (chip->mode == THERMAL_DEVICE_ENABLED)
kobject_uevent(&chip->tz_dev->device.kobj, KOBJ_CHANGE);
bail:
enable_irq(chip->tempstat_irq);
enable_irq(chip->overtemp_irq);
}
static irqreturn_t pm8xxx_tm_isr(int irq, void *data)
{
struct pm8xxx_tm_chip *chip = data;
disable_irq_nosync(chip->tempstat_irq);
disable_irq_nosync(chip->overtemp_irq);
schedule_work(&chip->irq_work);
return IRQ_HANDLED;
}
static int pm8xxx_tm_init_reg(struct pm8xxx_tm_chip *chip)
{
int rc;
u8 reg;
rc = pm8xxx_tm_read_ctrl(chip, ®);
if (rc < 0)
return rc;
chip->stage = (reg & TEMP_ALARM_CTRL_STATUS_MASK)
>> TEMP_ALARM_CTRL_STATUS_SHIFT;
chip->temp = 0;
/* Use temperature threshold set 0: (105, 125, 145) */
chip->thresh = 0;
reg = (chip->thresh << TEMP_ALARM_CTRL_THRESH_SHIFT)
& TEMP_ALARM_CTRL_THRESH_MASK;
rc = pm8xxx_tm_write_ctrl(chip, reg);
if (rc < 0)
return rc;
/*
* Set the PMIC alarm module PWM to have a frequency of 8 Hz. This
* helps cut down on the number of unnecessary interrupts fired when
* changing between thermal stages. Also, Enable the over temperature
* PWM whenever the PMIC is enabled.
*/
reg = (1 << TEMP_ALARM_PWM_EN_SHIFT)
| (3 << TEMP_ALARM_PWM_PER_PRE_SHIFT)
| (3 << TEMP_ALARM_PWM_PER_DIV_SHIFT);
rc = pm8xxx_tm_write_pwm(chip, reg);
return rc;
}
static int pm8xxx_init_adc(struct pm8xxx_tm_chip *chip, bool enable)
{
int rc = 0;
if (chip->cdata.adc_type == PM8XXX_TM_ADC_PM8058_ADC) {
if (enable) {
rc = adc_channel_open(chip->cdata.adc_channel,
&(chip->adc_handle));
if (rc < 0)
pr_err("adc_channel_open() failed.\n");
} else {
adc_channel_close(chip->adc_handle);
}
}
return rc;
}
u32 lightsensor_get_adc(int channel)
{
int ret;
void *h;
struct adc_chan_result adc_chan_result;
struct completion conv_complete_evt;
#ifdef CONFIG_SEC_DEBUG_PM8058_ADC
static int retry_cnt;
#endif
pr_debug("%s: called for %d\n", __func__, channel);
ret = adc_channel_open(channel, &h);
if (ret) {
pr_err("%s: couldnt open channel %d ret=%d\n",
__func__, channel, ret);
goto out;
}
init_completion(&conv_complete_evt);
ret = adc_channel_request_conv(h, &conv_complete_evt);
if (ret) {
pr_err("%s: couldnt request conv channel %d ret=%d\n",
__func__, channel, ret);
goto out;
}
ret = wait_for_completion_interruptible_timeout(&conv_complete_evt, 5*HZ);
if (!ret) {
pr_err("%s: wait interrupted channel %d ret=%d\n",
__func__, channel, ret);
#ifdef CONFIG_SEC_DEBUG_PM8058_ADC_VERBOSE
adc_dbg_info_timer(0);
#else
pm8058_xoadc_clear_recentQ();
#ifdef CONFIG_SEC_DEBUG_PM8058_ADC
if(retry_cnt++ >= 10)
adc_dbg_info_timer(0);
#endif
#endif
goto out;
}
#ifdef CONFIG_SEC_DEBUG_PM8058_ADC
retry_cnt = 0;
#endif
ret = adc_channel_read_result(h, &adc_chan_result);
if (ret) {
pr_err("%s: couldnt read result channel %d ret=%d\n",
__func__, channel, ret);
goto out;
}
ret = adc_channel_close(h);
if (ret) {
pr_err("%s: couldnt close channel %d ret=%d\n",
__func__, channel, ret);
}
pr_debug("%s: done for %d\n", __func__, channel);
// return adc_chan_result.physical;
return adc_chan_result.measurement;
out:
pr_debug("%s: done for %d\n", __func__, channel);
return -EINVAL;
}
static int pm8058_tz_get_temp(struct thermal_zone_device *thermal,
unsigned long *temp)
{
struct pm8058_tm_device *tm = thermal->devdata;
DECLARE_COMPLETION_ONSTACK(wait);
struct adc_chan_result adc_result = {
.physical = 0lu,
};
int rc;
#ifdef CONFIG_LGE_PM
int wait_ret;
#endif
if (!tm || !temp)
return -EINVAL;
*temp = tm->temp;
rc = adc_channel_request_conv(tm->adc_handle, &wait);
if (rc < 0) {
pr_err("%s: adc_channel_request_conv() failed, rc = %d\n",
__func__, rc);
return rc;
}
#ifdef CONFIG_LGE_PM
wait_ret = wait_for_completion_timeout(&wait, msecs_to_jiffies(MSM_PMIC_ADC_READ_TIMEOUT));
if(wait_ret <= 0)
{
printk(KERN_ERR "===%s: failed to adc wait for completion!===\n",__func__);
goto sanity_out;
}
#else
wait_for_completion(&wait);
#endif
rc = adc_channel_read_result(tm->adc_handle, &adc_result);
if (rc < 0) {
pr_err("%s: adc_channel_read_result() failed, rc = %d\n",
__func__, rc);
return rc;
}
*temp = adc_result.physical;
tm->temp = adc_result.physical;
return 0;
#ifdef CONFIG_LGE_PM
sanity_out:
pm8058_xoadc_clear_recentQ();
*temp = MSM_CHARGER_GAUGE_MISSING_TEMP;
tm->temp = MSM_CHARGER_GAUGE_MISSING_TEMP;
printk(KERN_ERR "============== batt temp adc read fail so default temp ===============\n");
return 0;
#endif
}
static int pm8058_tz_get_mode(struct thermal_zone_device *thermal,
enum thermal_device_mode *mode)
{
struct pm8058_tm_device *tm = thermal->devdata;
if (!tm || !mode)
return -EINVAL;
*mode = tm->mode;
return 0;
}
static int pm8058_tz_set_mode(struct thermal_zone_device *thermal,
enum thermal_device_mode mode)
{
struct pm8058_tm_device *tm = thermal->devdata;
if (!tm)
return -EINVAL;
if (mode != tm->mode) {
if (mode == THERMAL_DEVICE_ENABLED)
pm8058_tm_shutdown_override(tm->pm_chip,
SOFTWARE_OVERRIDE_ENABLED);
else
pm8058_tm_shutdown_override(tm->pm_chip,
SOFTWARE_OVERRIDE_DISABLED);
}
tm->mode = mode;
return 0;
}
static int pm8058_tz_get_trip_type(struct thermal_zone_device *thermal,
int trip, enum thermal_trip_type *type)
{
struct pm8058_tm_device *tm = thermal->devdata;
if (!tm || trip < 0 || !type)
return -EINVAL;
switch (trip) {
case PM8058_TRIP_STAGE3:
*type = THERMAL_TRIP_CRITICAL;
break;
case PM8058_TRIP_STAGE2:
*type = THERMAL_TRIP_HOT;
break;
case PM8058_TRIP_STAGE1:
*type = THERMAL_TRIP_HOT;
break;
default:
return -EINVAL;
}
return 0;
}
static int pm8058_tz_get_trip_temp(struct thermal_zone_device *thermal,
int trip, unsigned long *temp)
{
struct pm8058_tm_device *tm = thermal->devdata;
int thresh_temp;
if (!tm || trip < 0 || !temp)
return -EINVAL;
thresh_temp = tm->thresh * PM8058_TEMP_THRESH_STEP +
PM8058_TEMP_THRESH_MIN;
switch (trip) {
case PM8058_TRIP_STAGE3:
thresh_temp += 2 * PM8058_TEMP_STAGE_STEP;
break;
case PM8058_TRIP_STAGE2:
thresh_temp += PM8058_TEMP_STAGE_STEP;
break;
case PM8058_TRIP_STAGE1:
break;
default:
return -EINVAL;
}
*temp = thresh_temp;
return 0;
}
static int pm8058_tz_get_crit_temp(struct thermal_zone_device *thermal,
unsigned long *temp)
{
struct pm8058_tm_device *tm = thermal->devdata;
if (!tm || !temp)
return -EINVAL;
*temp = tm->thresh * PM8058_TEMP_THRESH_STEP + PM8058_TEMP_THRESH_MIN +
2 * PM8058_TEMP_STAGE_STEP;
return 0;
}
static struct thermal_zone_device_ops pm8058_thermal_zone_ops = {
.get_temp = pm8058_tz_get_temp,
.get_mode = pm8058_tz_get_mode,
.set_mode = pm8058_tz_set_mode,
.get_trip_type = pm8058_tz_get_trip_type,
.get_trip_temp = pm8058_tz_get_trip_temp,
.get_crit_temp = pm8058_tz_get_crit_temp,
};
static irqreturn_t pm8058_tm_isr(int irq, void *data)
{
struct pm8058_tm_device *tm = data;
int rc;
u8 reg;
rc = pm8058_tm_read_ctrl(tm->pm_chip, ®);
if (rc < 0)
goto isr_handled;
tm->stage = (reg & PM8058_TEMP_STATUS_MASK) >> PM8058_TEMP_STATUS_SHIFT;
tm->thresh = (reg & PM8058_TEMP_THRESH_MASK) >>
PM8058_TEMP_THRESH_SHIFT;
if (reg & (PM8058_TEMP_ST2_SD | PM8058_TEMP_ST3_SD)) {
reg &= ~(PM8058_TEMP_ST2_SD | PM8058_TEMP_ST3_SD |
PM8058_TEMP_STATUS_MASK);
pm8058_tm_write_ctrl(tm->pm_chip, reg);
}
thermal_zone_device_update(tm->tz_dev);
/* Notify user space */
if (tm->mode == THERMAL_DEVICE_ENABLED)
kobject_uevent(&tm->tz_dev->device.kobj, KOBJ_CHANGE);
isr_handled:
return IRQ_HANDLED;
}
static int pm8058_tm_init_reg(struct pm8058_tm_device *tm)
{
int rc;
u8 reg;
rc = pm8058_tm_read_ctrl(tm->pm_chip, ®);
if (rc < 0)
return rc;
tm->stage = (reg & PM8058_TEMP_STATUS_MASK) >> PM8058_TEMP_STATUS_SHIFT;
tm->temp = 0;
/* Use temperature threshold set 0: (105, 125, 145) */
tm->thresh = 0;
reg = (tm->thresh << PM8058_TEMP_THRESH_SHIFT) &
PM8058_TEMP_THRESH_MASK;
rc = pm8058_tm_write_ctrl(tm->pm_chip, reg);
if (rc < 0)
return rc;
/*
* Set the PMIC alarm module PWM to have a frequency of 8 Hz. This
* helps cut down on the number of unnecessary interrupts fired when
* changing between thermal stages. Also, Enable the over temperature
* PWM whenever the PMIC is enabled.
*/
reg = 1 << PM8058_TEMP_PWM_EN_SHIFT |
3 << PM8058_TEMP_PWM_PER_PRE_SHIFT |
3 << PM8058_TEMP_PWM_PER_DIV_SHIFT;
rc = pm8058_tm_write_pwm(tm->pm_chip, reg);
return rc;
}
