thermal: mediatek: add calibration item

Add calibration item in thermal_data to support
the project with different calibration coefficient.

Signed-off-by: Michael Kao <michael.kao@mediatek.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>

diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
index 07f8ad78ffb0cce794d2bbb11f8edc158d6c89b4..45c658711e0eab02401412534aef9c4c0e0a1f32 100644 (file)
--- a/drivers/thermal/mtk_thermal.c
+++ b/drivers/thermal/mtk_thermal.c
@@ -105,6 +105,9 @@
 /* The number of sensing points per bank */
 #define MT8173_NUM_SENSORS_PER_ZONE    4
 
+/* The calibration coefficient of sensor  */
+#define MT8173_CALIBRATION     165
+
 /*
  * Layout of the fuses providing the calibration data
  * These macros could be used for MT8173, MT2701, and MT2712.
@@ -147,6 +150,9 @@ enum {
 /* The number of sensing points per bank */
 #define MT2701_NUM_SENSORS_PER_ZONE    3
 
+/* The calibration coefficient of sensor  */
+#define MT2701_CALIBRATION     165
+
 /* MT2712 thermal sensors */
 #define MT2712_TS1     0
 #define MT2712_TS2     1
@@ -162,12 +168,18 @@ enum {
 /* The number of sensing points per bank */
 #define MT2712_NUM_SENSORS_PER_ZONE    4
 
+/* The calibration coefficient of sensor  */
+#define MT2712_CALIBRATION     165
+
 #define MT7622_TEMP_AUXADC_CHANNEL     11
 #define MT7622_NUM_SENSORS             1
 #define MT7622_NUM_ZONES               1
 #define MT7622_NUM_SENSORS_PER_ZONE    1
 #define MT7622_TS1     0
 
+/* The calibration coefficient of sensor  */
+#define MT7622_CALIBRATION     165
+
 struct mtk_thermal;
 
 struct thermal_bank_cfg {
@@ -188,6 +200,7 @@ struct mtk_thermal_data {
        const int *sensor_mux_values;
        const int *msr;
        const int *adcpnp;
+       const int cali_val;
        struct thermal_bank_cfg bank_data[];
 };
 
@@ -295,6 +308,7 @@ static const struct mtk_thermal_data mt8173_thermal_data = {
        .num_banks = MT8173_NUM_ZONES,
        .num_sensors = MT8173_NUM_SENSORS,
        .vts_index = mt8173_vts_index,
+       .cali_val = MT8173_CALIBRATION,
        .bank_data = {
                {
                        .num_sensors = 2,
@@ -330,6 +344,7 @@ static const struct mtk_thermal_data mt2701_thermal_data = {
        .num_banks = 1,
        .num_sensors = MT2701_NUM_SENSORS,
        .vts_index = mt2701_vts_index,
+       .cali_val = MT2701_CALIBRATION,
        .bank_data = {
                {
                        .num_sensors = 3,
@@ -356,6 +371,7 @@ static const struct mtk_thermal_data mt2712_thermal_data = {
        .num_banks = 1,
        .num_sensors = MT2712_NUM_SENSORS,
        .vts_index = mt2712_vts_index,
+       .cali_val = MT2712_CALIBRATION,
        .bank_data = {
                {
                        .num_sensors = 4,
@@ -376,6 +392,7 @@ static const struct mtk_thermal_data mt7622_thermal_data = {
        .num_banks = MT7622_NUM_ZONES,
        .num_sensors = MT7622_NUM_SENSORS,
        .vts_index = mt7622_vts_index,
+       .cali_val = MT7622_CALIBRATION,
        .bank_data = {
                {
                        .num_sensors = 1,
@@ -402,7 +419,7 @@ static int raw_to_mcelsius(struct mtk_thermal *mt, int sensno, s32 raw)
        raw &= 0xfff;
 
        tmp = 203450520 << 3;
-       tmp /= 165 + mt->o_slope;
+       tmp /= mt->conf->cali_val + mt->o_slope;
        tmp /= 10000 + mt->adc_ge;
        tmp *= raw - mt->vts[sensno] - 3350;
        tmp >>= 3;