static inline int pm8xxx_tm_shutdown_override(struct pm8xxx_tm_chip *chip, enum pmic_thermal_override_mode mode) { int rc; u8 reg; rc = pm8xxx_tm_read_ctrl(chip, ®); if (rc < 0) return rc; reg &= ~(TEMP_ALARM_CTRL_OVRD_MASK | TEMP_ALARM_CTRL_STATUS_MASK); if (mode == SOFTWARE_OVERRIDE_ENABLED) reg |= (TEMP_ALARM_CTRL_OVRD_ST3 | TEMP_ALARM_CTRL_OVRD_ST2) & TEMP_ALARM_CTRL_OVRD_MASK; rc = pm8xxx_tm_write_ctrl(chip, reg); return rc; }
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; 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; } wait_for_completion(&wait); 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; return 0; } 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; /* Mask software override requests if they are not allowed. */ if (!chip->cdata.allow_software_override) mode = THERMAL_DEVICE_DISABLED; 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 delayed_work *dwork = container_of(work, struct delayed_work, work); struct pm8xxx_tm_chip *chip = container_of(dwork, struct pm8xxx_tm_chip, irq_work); unsigned long temp = 0; int rc, stage, thresh; u8 reg; rc = pm8xxx_tm_read_ctrl(chip, ®); if (rc < 0) goto bail; /* 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); } stage = (reg & TEMP_ALARM_CTRL_STATUS_MASK) >> TEMP_ALARM_CTRL_STATUS_SHIFT; thresh = (reg & TEMP_ALARM_CTRL_THRESH_MASK) >> TEMP_ALARM_CTRL_THRESH_SHIFT; thermal_zone_device_update(chip->tz_dev); if (stage != chip->prev_stage) { chip->prev_stage = stage; switch (chip->cdata.adc_type) { case PM8XXX_TM_ADC_NONE: rc = pm8xxx_tz_get_temp_no_adc(chip->tz_dev, &temp); break; case PM8XXX_TM_ADC_PM8058_ADC: rc = pm8xxx_tz_get_temp_pm8058_adc(chip->tz_dev, &temp); break; case PM8XXX_TM_ADC_PM8XXX_ADC: rc = pm8xxx_tz_get_temp_pm8xxx_adc(chip->tz_dev, &temp); break; } if (rc < 0) goto bail; pr_crit("%s: PMIC Temp Alarm - stage=%u, threshold=%u, temp=%lu mC\n", chip->cdata.tm_name, stage, thresh, temp); /* Notify user space */ sysfs_notify(&chip->tz_dev->device.kobj, NULL, "type"); } bail: return; } static irqreturn_t pm8xxx_tm_isr(int irq, void *data) { struct pm8xxx_tm_chip *chip = data; schedule_delayed_work(&chip->irq_work, msecs_to_jiffies(STATUS_REGISTER_DELAY_MS) + 1); 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 temperature alarm module to be always on. This ensures * that die temperature monitoring is active even if CXO is disabled * (i.e. when sleep_b is low). This is necessary since CXO can be * disabled while the system is still heavily loaded. Also, using * the alway-on instead of PWM-enabled configurations ensures that the * die temperature can be measured by the PMIC ADC without reconfiguring * the temperature alarm module first. */ rc = pm8xxx_tm_write_pwm(chip, TEMP_ALARM_PWM_EN_ALWAYS); 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; }
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 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_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; }