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thermal/drivers/qcom-spmi-temp-alarm: Prepare to support additional Temp Alarm subtypes

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In preparation to support newer temp alarm subtypes, add the "ops",
"sync_thresholds" and "configure_trip_temps" references to
spmi_temp_alarm_data. This will allow for each Temp Alarm subtype to define
its own thermal_zone_device_ops and properly initialize and configure
thermal trip temperature.

Signed-off-by: Anjelique Melendez <anjelique.melendez@oss.qualcomm.com>
Acked-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250710224555.3047790-4-anjelique.melendez@oss.qualcomm.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This commit is contained in:
Anjelique Melendez 2025-07-10 15:45:53 -07:00 committed by Daniel Lezcano
parent 703f13285a
commit 1f835c6a4c
1 changed files with 78 additions and 42 deletions
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120
drivers/thermal/qcom/qcom-spmi-temp-alarm.c
View File

@ -77,8 +77,11 @@ static const long temp_map_gen2_v1[THRESH_COUNT][STAGE_COUNT] = {
struct qpnp_tm_chip;
struct spmi_temp_alarm_data {
const struct thermal_zone_device_ops *ops;
const long (*temp_map)[THRESH_COUNT][STAGE_COUNT];
int (*sync_thresholds)(struct qpnp_tm_chip *chip);
int (*get_temp_stage)(struct qpnp_tm_chip *chip);
int (*configure_trip_temps)(struct qpnp_tm_chip *chip);
};
struct qpnp_tm_chip {
@ -316,64 +319,95 @@ static irqreturn_t qpnp_tm_isr(int irq, void *data)
return IRQ_HANDLED;
}
static const struct spmi_temp_alarm_data spmi_temp_alarm_data = {
.temp_map = &temp_map_gen1,
.get_temp_stage = qpnp_tm_gen1_get_temp_stage,
};
static const struct spmi_temp_alarm_data spmi_temp_alarm_gen2_data = {
.temp_map = &temp_map_gen1,
.get_temp_stage = qpnp_tm_gen2_get_temp_stage,
};
static const struct spmi_temp_alarm_data spmi_temp_alarm_gen2_rev1_data = {
.temp_map = &temp_map_gen2_v1,
.get_temp_stage = qpnp_tm_gen2_get_temp_stage,
};
/*
* This function initializes the internal temp value based on only the
* current thermal stage and threshold. Setup threshold control and
* disable shutdown override.
*/
static int qpnp_tm_init(struct qpnp_tm_chip *chip)
/* Read the hardware default stage threshold temperatures */
static int qpnp_tm_sync_thresholds(struct qpnp_tm_chip *chip)
{
int crit_temp;
u8 threshold;
u8 reg, threshold;
int ret;
u8 reg;
mutex_lock(&chip->lock);
ret = qpnp_tm_read(chip, QPNP_TM_REG_SHUTDOWN_CTRL1, &reg);
if (ret < 0)
goto out;
return ret;
threshold = reg & SHUTDOWN_CTRL1_THRESHOLD_MASK;
memcpy(chip->temp_thresh_map, chip->data->temp_map[threshold],
sizeof(chip->temp_thresh_map));
chip->temp = DEFAULT_TEMP;
return ret;
}
ret = chip->data->get_temp_stage(chip);
if (ret < 0)
goto out;
chip->stage = ret;
if (chip->stage)
chip->temp = qpnp_tm_decode_temp(chip, chip->stage);
mutex_unlock(&chip->lock);
static int qpnp_tm_configure_trip_temp(struct qpnp_tm_chip *chip)
{
int crit_temp, ret;
ret = thermal_zone_get_crit_temp(chip->tz_dev, &crit_temp);
if (ret)
crit_temp = THERMAL_TEMP_INVALID;
mutex_lock(&chip->lock);
ret = qpnp_tm_update_critical_trip_temp(chip, crit_temp);
mutex_unlock(&chip->lock);
return ret;
}
static const struct spmi_temp_alarm_data spmi_temp_alarm_data = {
.ops = &qpnp_tm_sensor_ops,
.temp_map = &temp_map_gen1,
.sync_thresholds = qpnp_tm_sync_thresholds,
.configure_trip_temps = qpnp_tm_configure_trip_temp,
.get_temp_stage = qpnp_tm_gen1_get_temp_stage,
};
static const struct spmi_temp_alarm_data spmi_temp_alarm_gen2_data = {
.ops = &qpnp_tm_sensor_ops,
.temp_map = &temp_map_gen1,
.sync_thresholds = qpnp_tm_sync_thresholds,
.configure_trip_temps = qpnp_tm_configure_trip_temp,
.get_temp_stage = qpnp_tm_gen2_get_temp_stage,
};
static const struct spmi_temp_alarm_data spmi_temp_alarm_gen2_rev1_data = {
.ops = &qpnp_tm_sensor_ops,
.temp_map = &temp_map_gen2_v1,
.sync_thresholds = qpnp_tm_sync_thresholds,
.configure_trip_temps = qpnp_tm_configure_trip_temp,
.get_temp_stage = qpnp_tm_gen2_get_temp_stage,
};
/*
* This function initializes the internal temp value based on only the
* current thermal stage and threshold.
*/
static int qpnp_tm_threshold_init(struct qpnp_tm_chip *chip)
{
int ret;
ret = chip->data->sync_thresholds(chip);
if (ret < 0)
goto out;
return ret;
ret = chip->data->get_temp_stage(chip);
if (ret < 0)
return ret;
chip->stage = ret;
chip->temp = DEFAULT_TEMP;
if (chip->stage)
chip->temp = qpnp_tm_decode_temp(chip, chip->stage);
return ret;
}
/* This function initializes threshold control and disables shutdown override. */
static int qpnp_tm_init(struct qpnp_tm_chip *chip)
{
int ret;
u8 reg;
ret = chip->data->configure_trip_temps(chip);
if (ret < 0)
return ret;
/* Enable the thermal alarm PMIC module in always-on mode. */
reg = ALARM_CTRL_FORCE_ENABLE;
@ -381,8 +415,6 @@ static int qpnp_tm_init(struct qpnp_tm_chip *chip)
chip->initialized = true;
out:
mutex_unlock(&chip->lock);
return ret;
}
@ -481,13 +513,17 @@ static int qpnp_tm_probe(struct platform_device *pdev)
}
}
ret = qpnp_tm_threshold_init(chip);
if (ret < 0)
return dev_err_probe(&pdev->dev, ret, "threshold init failed\n");
/*
* Register the sensor before initializing the hardware to be able to
* read the trip points. get_temp() returns the default temperature
* before the hardware initialization is completed.
*/
chip->tz_dev = devm_thermal_of_zone_register(
&pdev->dev, 0, chip, &qpnp_tm_sensor_ops);
&pdev->dev, 0, chip, chip->data->ops);
if (IS_ERR(chip->tz_dev))
return dev_err_probe(&pdev->dev, PTR_ERR(chip->tz_dev),
"failed to register sensor\n");