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authorMichael Kao <michael.kao@mediatek.com>2019-02-01 15:38:09 +0800
committerEduardo Valentin <edubezval@gmail.com>2019-02-05 17:01:45 -0800
commitf84514766985d39ff546097eb887f896a8cfb855 (patch)
tree75430b51fa92c1de76f578d6e0ce862fc44cd75d /drivers/thermal/mtk_thermal.c
parentthermal: mediatek: add common index of vts settings. (diff)
downloadlinux-dev-f84514766985d39ff546097eb887f896a8cfb855.tar.xz
linux-dev-f84514766985d39ff546097eb887f896a8cfb855.zip
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>
Diffstat (limited to 'drivers/thermal/mtk_thermal.c')
-rw-r--r--drivers/thermal/mtk_thermal.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
index 07f8ad78ffb0..45c658711e0e 100644
--- 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;