@@ -93,6 +93,15 @@
TSENS_8064_SENSOR9_EN | \
TSENS_8064_SENSOR10_EN)
+/* Trips: from very hot to very cold */
+enum tsens_trip_type {
+ TSENS_TRIP_STAGE3 = 0,
+ TSENS_TRIP_STAGE2,
+ TSENS_TRIP_STAGE1,
+ TSENS_TRIP_STAGE0,
+ TSENS_TRIP_NUM,
+};
+
u32 tsens_8960_slope[] = {
1176, 1176, 1154, 1176,
1111, 1132, 1132, 1199,
@@ -110,6 +119,16 @@ static inline int code_to_mdegC(u32 adc_code, const struct tsens_sensor *s)
return adc_code * slope + offset;
}
+static int mdegC_to_code(int degC, const struct tsens_sensor *s)
+{
+ int slope, offset;
+
+ slope = thermal_zone_get_slope(s->tzd);
+ offset = CAL_MDEGC - slope * s->offset;
+
+ return degC / slope - offset;
+}
+
static void notify_uspace_tsens_fn(struct work_struct *work)
{
struct tsens_sensor *s = container_of(work, struct tsens_sensor,
@@ -442,6 +461,64 @@ static int get_temp_8960(const struct tsens_sensor *s, int *temp)
return -ETIMEDOUT;
}
+static int set_trip_temp_ipq8064(void *data, int trip, int temp)
+{
+ unsigned int reg_th, reg_cntl;
+ int ret, code, code_chk, hi_code, lo_code;
+ const struct tsens_sensor *s = data;
+ struct tsens_priv *priv = s->priv;
+
+ code = mdegC_to_code(temp, s);
+ code_chk = code;
+
+ if (code < THRESHOLD_MIN_CODE || code > THRESHOLD_MAX_CODE)
+ return -EINVAL;
+
+ ret = regmap_read(priv->tm_map, STATUS_CNTL_ADDR_8064, ®_cntl);
+ if (ret)
+ return ret;
+
+ ret = regmap_read(priv->tm_map, THRESHOLD_ADDR, ®_th);
+ if (ret)
+ return ret;
+
+ hi_code = (reg_th & THRESHOLD_UPPER_LIMIT_MASK)
+ >> THRESHOLD_UPPER_LIMIT_SHIFT;
+ lo_code = (reg_th & THRESHOLD_LOWER_LIMIT_MASK)
+ >> THRESHOLD_LOWER_LIMIT_SHIFT;
+
+ switch (trip) {
+ case TSENS_TRIP_STAGE3:
+ code <<= THRESHOLD_MAX_LIMIT_SHIFT;
+ reg_th &= ~THRESHOLD_MAX_LIMIT_MASK;
+ break;
+ case TSENS_TRIP_STAGE2:
+ if (code_chk <= lo_code)
+ return -EINVAL;
+ code <<= THRESHOLD_UPPER_LIMIT_SHIFT;
+ reg_th &= ~THRESHOLD_UPPER_LIMIT_MASK;
+ break;
+ case TSENS_TRIP_STAGE1:
+ if (code_chk >= hi_code)
+ return -EINVAL;
+ code <<= THRESHOLD_LOWER_LIMIT_SHIFT;
+ reg_th &= ~THRESHOLD_LOWER_LIMIT_MASK;
+ break;
+ case TSENS_TRIP_STAGE0:
+ code <<= THRESHOLD_MIN_LIMIT_SHIFT;
+ reg_th &= ~THRESHOLD_MIN_LIMIT_MASK;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = regmap_write(priv->tm_map, THRESHOLD_ADDR, reg_th | code);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
static const struct tsens_ops ops_8960 = {
.init = init_8960,
.calibrate = calibrate_8960,
@@ -450,6 +527,7 @@ static const struct tsens_ops ops_8960 = {
.disable = disable_8960,
.suspend = suspend_8960,
.resume = resume_8960,
+ .set_trip_temp = set_trip_temp_ipq8064,
};
struct tsens_plat_data data_8960 = {
Add custom set_trip function for 8960 needed to set trip point to the tsens driver for 8960 driver. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> --- drivers/thermal/qcom/tsens-8960.c | 78 +++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+)