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author | Daniel Golle <daniel@makrotopia.org> | 2023-01-18 03:14:29 +0000 |
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committer | Daniel Golle <daniel@makrotopia.org> | 2023-02-15 03:28:09 +0000 |
commit | 80196f4e3c1902325466980b5b4085040b469317 (patch) | |
tree | a2506aea277115c89cc5f24485ca3e2468e9317a /target/linux/mediatek/patches-5.15/806-v6.2-thermal-mediatek-add-support-for-MT7986-and-MT7981.patch | |
parent | e8625c89efbbbe12a5934c10fc3478fd2f70fb21 (diff) | |
download | upstream-80196f4e3c1902325466980b5b4085040b469317.tar.gz upstream-80196f4e3c1902325466980b5b4085040b469317.tar.bz2 upstream-80196f4e3c1902325466980b5b4085040b469317.zip |
mediatek: mtk_thermal: replace with upstream patch
Replace local patch adding thermal support for MT7986 with version
accepted upstream.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Diffstat (limited to 'target/linux/mediatek/patches-5.15/806-v6.2-thermal-mediatek-add-support-for-MT7986-and-MT7981.patch')
-rw-r--r-- | target/linux/mediatek/patches-5.15/806-v6.2-thermal-mediatek-add-support-for-MT7986-and-MT7981.patch | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-5.15/806-v6.2-thermal-mediatek-add-support-for-MT7986-and-MT7981.patch b/target/linux/mediatek/patches-5.15/806-v6.2-thermal-mediatek-add-support-for-MT7986-and-MT7981.patch new file mode 100644 index 0000000000..65311d5718 --- /dev/null +++ b/target/linux/mediatek/patches-5.15/806-v6.2-thermal-mediatek-add-support-for-MT7986-and-MT7981.patch @@ -0,0 +1,240 @@ +From aa957c759b1182aee00cc35178667f849f941b42 Mon Sep 17 00:00:00 2001 +From: Daniel Golle <daniel@makrotopia.org> +Date: Wed, 30 Nov 2022 13:19:39 +0000 +Subject: [PATCH 2/2] thermal: mediatek: add support for MT7986 and MT7981 + +Add support for V3 generation thermal found in MT7986 and MT7981 SoCs. +Brings code to assign values from efuse as well as new function to +convert raw temperature to millidegree celsius, as found in MediaTek's +SDK sources (but cleaned up and de-duplicated) + +[1]: https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/baf36c7eef477aae1f8f2653b6c29e2caf48475b +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +--- + drivers/thermal/mtk_thermal.c | 137 ++++++++++++++++++++++++++++++++-- + 1 file changed, 132 insertions(+), 5 deletions(-) + +--- a/drivers/thermal/mtk_thermal.c ++++ b/drivers/thermal/mtk_thermal.c +@@ -150,6 +150,20 @@ + #define CALIB_BUF1_VALID_V2(x) (((x) >> 4) & 0x1) + #define CALIB_BUF1_O_SLOPE_SIGN_V2(x) (((x) >> 3) & 0x1) + ++/* ++ * Layout of the fuses providing the calibration data ++ * These macros can be used for MT7981 and MT7986. ++ */ ++#define CALIB_BUF0_ADC_GE_V3(x) (((x) >> 0) & 0x3ff) ++#define CALIB_BUF0_DEGC_CALI_V3(x) (((x) >> 20) & 0x3f) ++#define CALIB_BUF0_O_SLOPE_V3(x) (((x) >> 26) & 0x3f) ++#define CALIB_BUF1_VTS_TS1_V3(x) (((x) >> 0) & 0x1ff) ++#define CALIB_BUF1_VTS_TS2_V3(x) (((x) >> 21) & 0x1ff) ++#define CALIB_BUF1_VTS_TSABB_V3(x) (((x) >> 9) & 0x1ff) ++#define CALIB_BUF1_VALID_V3(x) (((x) >> 18) & 0x1) ++#define CALIB_BUF1_O_SLOPE_SIGN_V3(x) (((x) >> 19) & 0x1) ++#define CALIB_BUF1_ID_V3(x) (((x) >> 20) & 0x1) ++ + enum { + VTS1, + VTS2, +@@ -163,6 +177,7 @@ enum { + enum mtk_thermal_version { + MTK_THERMAL_V1 = 1, + MTK_THERMAL_V2, ++ MTK_THERMAL_V3, + }; + + /* MT2701 thermal sensors */ +@@ -245,6 +260,27 @@ enum mtk_thermal_version { + /* The calibration coefficient of sensor */ + #define MT8183_CALIBRATION 153 + ++/* AUXADC channel 11 is used for the temperature sensors */ ++#define MT7986_TEMP_AUXADC_CHANNEL 11 ++ ++/* The total number of temperature sensors in the MT7986 */ ++#define MT7986_NUM_SENSORS 1 ++ ++/* The number of banks in the MT7986 */ ++#define MT7986_NUM_ZONES 1 ++ ++/* The number of sensing points per bank */ ++#define MT7986_NUM_SENSORS_PER_ZONE 1 ++ ++/* MT7986 thermal sensors */ ++#define MT7986_TS1 0 ++ ++/* The number of controller in the MT7986 */ ++#define MT7986_NUM_CONTROLLER 1 ++ ++/* The calibration coefficient of sensor */ ++#define MT7986_CALIBRATION 165 ++ + struct mtk_thermal; + + struct thermal_bank_cfg { +@@ -388,6 +424,14 @@ static const int mt7622_mux_values[MT762 + static const int mt7622_vts_index[MT7622_NUM_SENSORS] = { VTS1 }; + static const int mt7622_tc_offset[MT7622_NUM_CONTROLLER] = { 0x0, }; + ++/* MT7986 thermal sensor data */ ++static const int mt7986_bank_data[MT7986_NUM_SENSORS] = { MT7986_TS1, }; ++static const int mt7986_msr[MT7986_NUM_SENSORS_PER_ZONE] = { TEMP_MSR0, }; ++static const int mt7986_adcpnp[MT7986_NUM_SENSORS_PER_ZONE] = { TEMP_ADCPNP0, }; ++static const int mt7986_mux_values[MT7986_NUM_SENSORS] = { 0, }; ++static const int mt7986_vts_index[MT7986_NUM_SENSORS] = { VTS1 }; ++static const int mt7986_tc_offset[MT7986_NUM_CONTROLLER] = { 0x0, }; ++ + /* + * The MT8173 thermal controller has four banks. Each bank can read up to + * four temperature sensors simultaneously. The MT8173 has a total of 5 +@@ -551,6 +595,30 @@ static const struct mtk_thermal_data mt8 + .version = MTK_THERMAL_V1, + }; + ++/* ++ * MT7986 uses AUXADC Channel 11 for raw data access. ++ */ ++static const struct mtk_thermal_data mt7986_thermal_data = { ++ .auxadc_channel = MT7986_TEMP_AUXADC_CHANNEL, ++ .num_banks = MT7986_NUM_ZONES, ++ .num_sensors = MT7986_NUM_SENSORS, ++ .vts_index = mt7986_vts_index, ++ .cali_val = MT7986_CALIBRATION, ++ .num_controller = MT7986_NUM_CONTROLLER, ++ .controller_offset = mt7986_tc_offset, ++ .need_switch_bank = true, ++ .bank_data = { ++ { ++ .num_sensors = 1, ++ .sensors = mt7986_bank_data, ++ }, ++ }, ++ .msr = mt7986_msr, ++ .adcpnp = mt7986_adcpnp, ++ .sensor_mux_values = mt7986_mux_values, ++ .version = MTK_THERMAL_V3, ++}; ++ + /** + * raw_to_mcelsius - convert a raw ADC value to mcelsius + * @mt: The thermal controller +@@ -605,6 +673,22 @@ static int raw_to_mcelsius_v2(struct mtk + return (format_2 - tmp) * 100; + } + ++static int raw_to_mcelsius_v3(struct mtk_thermal *mt, int sensno, s32 raw) ++{ ++ s32 tmp; ++ ++ if (raw == 0) ++ return 0; ++ ++ raw &= 0xfff; ++ tmp = 100000 * 15 / 16 * 10000; ++ tmp /= 4096 - 512 + mt->adc_ge; ++ tmp /= 1490; ++ tmp *= raw - mt->vts[sensno] - 2900; ++ ++ return mt->degc_cali * 500 - tmp; ++} ++ + /** + * mtk_thermal_get_bank - get bank + * @bank: The bank +@@ -885,6 +969,25 @@ static int mtk_thermal_extract_efuse_v2( + return 0; + } + ++static int mtk_thermal_extract_efuse_v3(struct mtk_thermal *mt, u32 *buf) ++{ ++ if (!CALIB_BUF1_VALID_V3(buf[1])) ++ return -EINVAL; ++ ++ mt->adc_ge = CALIB_BUF0_ADC_GE_V3(buf[0]); ++ mt->degc_cali = CALIB_BUF0_DEGC_CALI_V3(buf[0]); ++ mt->o_slope = CALIB_BUF0_O_SLOPE_V3(buf[0]); ++ mt->vts[VTS1] = CALIB_BUF1_VTS_TS1_V3(buf[1]); ++ mt->vts[VTS2] = CALIB_BUF1_VTS_TS2_V3(buf[1]); ++ mt->vts[VTSABB] = CALIB_BUF1_VTS_TSABB_V3(buf[1]); ++ mt->o_slope_sign = CALIB_BUF1_O_SLOPE_SIGN_V3(buf[1]); ++ ++ if (CALIB_BUF1_ID_V3(buf[1]) == 0) ++ mt->o_slope = 0; ++ ++ return 0; ++} ++ + static int mtk_thermal_get_calibration_data(struct device *dev, + struct mtk_thermal *mt) + { +@@ -895,6 +998,7 @@ static int mtk_thermal_get_calibration_d + + /* Start with default values */ + mt->adc_ge = 512; ++ mt->adc_oe = 512; + for (i = 0; i < mt->conf->num_sensors; i++) + mt->vts[i] = 260; + mt->degc_cali = 40; +@@ -920,10 +1024,20 @@ static int mtk_thermal_get_calibration_d + goto out; + } + +- if (mt->conf->version == MTK_THERMAL_V1) ++ switch (mt->conf->version) { ++ case MTK_THERMAL_V1: + ret = mtk_thermal_extract_efuse_v1(mt, buf); +- else ++ break; ++ case MTK_THERMAL_V2: + ret = mtk_thermal_extract_efuse_v2(mt, buf); ++ break; ++ case MTK_THERMAL_V3: ++ ret = mtk_thermal_extract_efuse_v3(mt, buf); ++ break; ++ default: ++ ret = -EINVAL; ++ break; ++ } + + if (ret) { + dev_info(dev, "Device not calibrated, using default calibration values\n"); +@@ -954,6 +1068,10 @@ static const struct of_device_id mtk_the + .data = (void *)&mt7622_thermal_data, + }, + { ++ .compatible = "mediatek,mt7986-thermal", ++ .data = (void *)&mt7986_thermal_data, ++ }, ++ { + .compatible = "mediatek,mt8183-thermal", + .data = (void *)&mt8183_thermal_data, + }, { +@@ -1068,15 +1186,24 @@ static int mtk_thermal_probe(struct plat + goto err_disable_clk_auxadc; + } + +- if (mt->conf->version == MTK_THERMAL_V2) { ++ if (mt->conf->version != MTK_THERMAL_V1) { + mtk_thermal_turn_on_buffer(apmixed_base); + mtk_thermal_release_periodic_ts(mt, auxadc_base); + } + +- if (mt->conf->version == MTK_THERMAL_V1) ++ switch (mt->conf->version) { ++ case MTK_THERMAL_V1: + mt->raw_to_mcelsius = raw_to_mcelsius_v1; +- else ++ break; ++ case MTK_THERMAL_V2: + mt->raw_to_mcelsius = raw_to_mcelsius_v2; ++ break; ++ case MTK_THERMAL_V3: ++ mt->raw_to_mcelsius = raw_to_mcelsius_v3; ++ break; ++ default: ++ break; ++ } + + for (ctrl_id = 0; ctrl_id < mt->conf->num_controller ; ctrl_id++) + for (i = 0; i < mt->conf->num_banks; i++) |