// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2015 MediaTek Inc. * Author: Hanyi Wu <[email protected]> * Sascha Hauer <[email protected]> * Dawei Chien <[email protected]> * Louis Yu <[email protected]> */ #include <linux/clk.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/nvmem-consumer.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/io.h> #include <linux/thermal.h> #include <linux/reset.h> #include <linux/types.h> #include "../thermal_hwmon.h" /* AUXADC Registers */ #define AUXADC_CON1_SET_V … #define AUXADC_CON1_CLR_V … #define AUXADC_CON2_V … #define AUXADC_DATA(channel) … #define APMIXED_SYS_TS_CON0 … #define APMIXED_SYS_TS_CON1 … /* Thermal Controller Registers */ #define TEMP_MONCTL0 … #define TEMP_MONCTL1 … #define TEMP_MONCTL2 … #define TEMP_MONIDET0 … #define TEMP_MONIDET1 … #define TEMP_MSRCTL0 … #define TEMP_MSRCTL1 … #define TEMP_AHBPOLL … #define TEMP_AHBTO … #define TEMP_ADCPNP0 … #define TEMP_ADCPNP1 … #define TEMP_ADCPNP2 … #define TEMP_ADCPNP3 … #define TEMP_ADCMUX … #define TEMP_ADCEN … #define TEMP_PNPMUXADDR … #define TEMP_ADCMUXADDR … #define TEMP_ADCENADDR … #define TEMP_ADCVALIDADDR … #define TEMP_ADCVOLTADDR … #define TEMP_RDCTRL … #define TEMP_ADCVALIDMASK … #define TEMP_ADCVOLTAGESHIFT … #define TEMP_ADCWRITECTRL … #define TEMP_MSR0 … #define TEMP_MSR1 … #define TEMP_MSR2 … #define TEMP_MSR3 … #define TEMP_SPARE0 … #define TEMP_ADCPNP0_1 … #define TEMP_ADCPNP1_1 … #define TEMP_ADCPNP2_1 … #define TEMP_MSR0_1 … #define TEMP_MSR1_1 … #define TEMP_MSR2_1 … #define TEMP_ADCPNP3_1 … #define TEMP_MSR3_1 … #define PTPCORESEL … #define TEMP_MONCTL1_PERIOD_UNIT(x) … #define TEMP_MONCTL2_FILTER_INTERVAL(x) … #define TEMP_MONCTL2_SENSOR_INTERVAL(x) … #define TEMP_AHBPOLL_ADC_POLL_INTERVAL(x) … #define TEMP_ADCWRITECTRL_ADC_PNP_WRITE … #define TEMP_ADCWRITECTRL_ADC_MUX_WRITE … #define TEMP_ADCVALIDMASK_VALID_HIGH … #define TEMP_ADCVALIDMASK_VALID_POS(bit) … /* MT8173 thermal sensors */ #define MT8173_TS1 … #define MT8173_TS2 … #define MT8173_TS3 … #define MT8173_TS4 … #define MT8173_TSABB … /* AUXADC channel 11 is used for the temperature sensors */ #define MT8173_TEMP_AUXADC_CHANNEL … /* The total number of temperature sensors in the MT8173 */ #define MT8173_NUM_SENSORS … /* The number of banks in the MT8173 */ #define MT8173_NUM_ZONES … /* The number of sensing points per bank */ #define MT8173_NUM_SENSORS_PER_ZONE … /* The number of controller in the MT8173 */ #define MT8173_NUM_CONTROLLER … /* The calibration coefficient of sensor */ #define MT8173_CALIBRATION … /* Valid temperatures range */ #define MT8173_TEMP_MIN … #define MT8173_TEMP_MAX … /* * Layout of the fuses providing the calibration data * These macros could be used for MT8183, MT8173, MT2701, and MT2712. * MT8183 has 6 sensors and needs 6 VTS calibration data. * MT8173 has 5 sensors and needs 5 VTS calibration data. * MT2701 has 3 sensors and needs 3 VTS calibration data. * MT2712 has 4 sensors and needs 4 VTS calibration data. */ #define CALIB_BUF0_VALID_V1 … #define CALIB_BUF1_ADC_GE_V1(x) … #define CALIB_BUF0_VTS_TS1_V1(x) … #define CALIB_BUF0_VTS_TS2_V1(x) … #define CALIB_BUF1_VTS_TS3_V1(x) … #define CALIB_BUF2_VTS_TS4_V1(x) … #define CALIB_BUF2_VTS_TS5_V1(x) … #define CALIB_BUF2_VTS_TSABB_V1(x) … #define CALIB_BUF0_DEGC_CALI_V1(x) … #define CALIB_BUF0_O_SLOPE_V1(x) … #define CALIB_BUF0_O_SLOPE_SIGN_V1(x) … #define CALIB_BUF1_ID_V1(x) … /* * Layout of the fuses providing the calibration data * These macros could be used for MT7622. */ #define CALIB_BUF0_ADC_OE_V2(x) … #define CALIB_BUF0_ADC_GE_V2(x) … #define CALIB_BUF0_DEGC_CALI_V2(x) … #define CALIB_BUF0_O_SLOPE_V2(x) … #define CALIB_BUF1_VTS_TS1_V2(x) … #define CALIB_BUF1_VTS_TS2_V2(x) … #define CALIB_BUF1_VTS_TSABB_V2(x) … #define CALIB_BUF1_VALID_V2(x) … #define CALIB_BUF1_O_SLOPE_SIGN_V2(x) … /* * Layout of the fuses providing the calibration data * These macros can be used for MT7981 and MT7986. */ #define CALIB_BUF0_ADC_GE_V3(x) … #define CALIB_BUF0_DEGC_CALI_V3(x) … #define CALIB_BUF0_O_SLOPE_V3(x) … #define CALIB_BUF1_VTS_TS1_V3(x) … #define CALIB_BUF1_VTS_TS2_V3(x) … #define CALIB_BUF1_VTS_TSABB_V3(x) … #define CALIB_BUF1_VALID_V3(x) … #define CALIB_BUF1_O_SLOPE_SIGN_V3(x) … #define CALIB_BUF1_ID_V3(x) … enum { … }; enum mtk_thermal_version { … }; /* MT2701 thermal sensors */ #define MT2701_TS1 … #define MT2701_TS2 … #define MT2701_TSABB … /* AUXADC channel 11 is used for the temperature sensors */ #define MT2701_TEMP_AUXADC_CHANNEL … /* The total number of temperature sensors in the MT2701 */ #define MT2701_NUM_SENSORS … /* The number of sensing points per bank */ #define MT2701_NUM_SENSORS_PER_ZONE … /* The number of controller in the MT2701 */ #define MT2701_NUM_CONTROLLER … /* The calibration coefficient of sensor */ #define MT2701_CALIBRATION … /* MT2712 thermal sensors */ #define MT2712_TS1 … #define MT2712_TS2 … #define MT2712_TS3 … #define MT2712_TS4 … /* AUXADC channel 11 is used for the temperature sensors */ #define MT2712_TEMP_AUXADC_CHANNEL … /* The total number of temperature sensors in the MT2712 */ #define MT2712_NUM_SENSORS … /* The number of sensing points per bank */ #define MT2712_NUM_SENSORS_PER_ZONE … /* The number of controller in the MT2712 */ #define MT2712_NUM_CONTROLLER … /* The calibration coefficient of sensor */ #define MT2712_CALIBRATION … #define MT7622_TEMP_AUXADC_CHANNEL … #define MT7622_NUM_SENSORS … #define MT7622_NUM_ZONES … #define MT7622_NUM_SENSORS_PER_ZONE … #define MT7622_TS1 … #define MT7622_NUM_CONTROLLER … /* The maximum number of banks */ #define MAX_NUM_ZONES … /* The calibration coefficient of sensor */ #define MT7622_CALIBRATION … /* MT8183 thermal sensors */ #define MT8183_TS1 … #define MT8183_TS2 … #define MT8183_TS3 … #define MT8183_TS4 … #define MT8183_TS5 … #define MT8183_TSABB … /* AUXADC channel is used for the temperature sensors */ #define MT8183_TEMP_AUXADC_CHANNEL … /* The total number of temperature sensors in the MT8183 */ #define MT8183_NUM_SENSORS … /* The number of banks in the MT8183 */ #define MT8183_NUM_ZONES … /* The number of sensing points per bank */ #define MT8183_NUM_SENSORS_PER_ZONE … /* The number of controller in the MT8183 */ #define MT8183_NUM_CONTROLLER … /* The calibration coefficient of sensor */ #define MT8183_CALIBRATION … /* AUXADC channel 11 is used for the temperature sensors */ #define MT7986_TEMP_AUXADC_CHANNEL … /* The total number of temperature sensors in the MT7986 */ #define MT7986_NUM_SENSORS … /* The number of banks in the MT7986 */ #define MT7986_NUM_ZONES … /* The number of sensing points per bank */ #define MT7986_NUM_SENSORS_PER_ZONE … /* MT7986 thermal sensors */ #define MT7986_TS1 … /* The number of controller in the MT7986 */ #define MT7986_NUM_CONTROLLER … /* The calibration coefficient of sensor */ #define MT7986_CALIBRATION … /* MT8365 */ #define MT8365_TEMP_AUXADC_CHANNEL … #define MT8365_CALIBRATION … #define MT8365_NUM_CONTROLLER … #define MT8365_NUM_BANKS … #define MT8365_NUM_SENSORS … #define MT8365_NUM_SENSORS_PER_ZONE … #define MT8365_TS1 … #define MT8365_TS2 … #define MT8365_TS3 … struct mtk_thermal; struct thermal_bank_cfg { … }; struct mtk_thermal_bank { … }; struct mtk_thermal_data { … }; struct mtk_thermal { … }; /* MT8183 thermal sensor data */ static const int mt8183_bank_data[MT8183_NUM_SENSORS] = …; static const int mt8183_msr[MT8183_NUM_SENSORS_PER_ZONE] = …; static const int mt8183_adcpnp[MT8183_NUM_SENSORS_PER_ZONE] = …; static const int mt8183_mux_values[MT8183_NUM_SENSORS] = …; static const int mt8183_tc_offset[MT8183_NUM_CONTROLLER] = …; static const int mt8183_vts_index[MT8183_NUM_SENSORS] = …; /* MT8173 thermal sensor data */ static const int mt8173_bank_data[MT8173_NUM_ZONES][3] = …; static const int mt8173_msr[MT8173_NUM_SENSORS_PER_ZONE] = …; static const int mt8173_adcpnp[MT8173_NUM_SENSORS_PER_ZONE] = …; static const int mt8173_mux_values[MT8173_NUM_SENSORS] = …; static const int mt8173_tc_offset[MT8173_NUM_CONTROLLER] = …; static const int mt8173_vts_index[MT8173_NUM_SENSORS] = …; /* MT2701 thermal sensor data */ static const int mt2701_bank_data[MT2701_NUM_SENSORS] = …; static const int mt2701_msr[MT2701_NUM_SENSORS_PER_ZONE] = …; static const int mt2701_adcpnp[MT2701_NUM_SENSORS_PER_ZONE] = …; static const int mt2701_mux_values[MT2701_NUM_SENSORS] = …; static const int mt2701_tc_offset[MT2701_NUM_CONTROLLER] = …; static const int mt2701_vts_index[MT2701_NUM_SENSORS] = …; /* MT2712 thermal sensor data */ static const int mt2712_bank_data[MT2712_NUM_SENSORS] = …; static const int mt2712_msr[MT2712_NUM_SENSORS_PER_ZONE] = …; static const int mt2712_adcpnp[MT2712_NUM_SENSORS_PER_ZONE] = …; static const int mt2712_mux_values[MT2712_NUM_SENSORS] = …; static const int mt2712_tc_offset[MT2712_NUM_CONTROLLER] = …; static const int mt2712_vts_index[MT2712_NUM_SENSORS] = …; /* MT7622 thermal sensor data */ static const int mt7622_bank_data[MT7622_NUM_SENSORS] = …; static const int mt7622_msr[MT7622_NUM_SENSORS_PER_ZONE] = …; static const int mt7622_adcpnp[MT7622_NUM_SENSORS_PER_ZONE] = …; static const int mt7622_mux_values[MT7622_NUM_SENSORS] = …; static const int mt7622_vts_index[MT7622_NUM_SENSORS] = …; static const int mt7622_tc_offset[MT7622_NUM_CONTROLLER] = …; /* MT7986 thermal sensor data */ static const int mt7986_bank_data[MT7986_NUM_SENSORS] = …; static const int mt7986_msr[MT7986_NUM_SENSORS_PER_ZONE] = …; static const int mt7986_adcpnp[MT7986_NUM_SENSORS_PER_ZONE] = …; static const int mt7986_mux_values[MT7986_NUM_SENSORS] = …; static const int mt7986_vts_index[MT7986_NUM_SENSORS] = …; static const int mt7986_tc_offset[MT7986_NUM_CONTROLLER] = …; /* MT8365 thermal sensor data */ static const int mt8365_bank_data[MT8365_NUM_SENSORS] = …; static const int mt8365_msr[MT8365_NUM_SENSORS_PER_ZONE] = …; static const int mt8365_adcpnp[MT8365_NUM_SENSORS_PER_ZONE] = …; static const int mt8365_mux_values[MT8365_NUM_SENSORS] = …; static const int mt8365_tc_offset[MT8365_NUM_CONTROLLER] = …; static const int mt8365_vts_index[MT8365_NUM_SENSORS] = …; /* * The MT8173 thermal controller has four banks. Each bank can read up to * four temperature sensors simultaneously. The MT8173 has a total of 5 * temperature sensors. We use each bank to measure a certain area of the * SoC. Since TS2 is located centrally in the SoC it is influenced by multiple * areas, hence is used in different banks. * * The thermal core only gets the maximum temperature of all banks, so * the bank concept wouldn't be necessary here. However, the SVS (Smart * Voltage Scaling) unit makes its decisions based on the same bank * data, and this indeed needs the temperatures of the individual banks * for making better decisions. */ static const struct mtk_thermal_data mt8173_thermal_data = …; /* * The MT2701 thermal controller has one bank, which can read up to * three temperature sensors simultaneously. The MT2701 has a total of 3 * temperature sensors. * * The thermal core only gets the maximum temperature of this one bank, * so the bank concept wouldn't be necessary here. However, the SVS (Smart * Voltage Scaling) unit makes its decisions based on the same bank * data. */ static const struct mtk_thermal_data mt2701_thermal_data = …; /* * The MT8365 thermal controller has one bank, which can read up to * four temperature sensors simultaneously. The MT8365 has a total of 3 * temperature sensors. * * The thermal core only gets the maximum temperature of this one bank, * so the bank concept wouldn't be necessary here. However, the SVS (Smart * Voltage Scaling) unit makes its decisions based on the same bank * data. */ static const struct mtk_thermal_data mt8365_thermal_data = …; /* * The MT2712 thermal controller has one bank, which can read up to * four temperature sensors simultaneously. The MT2712 has a total of 4 * temperature sensors. * * The thermal core only gets the maximum temperature of this one bank, * so the bank concept wouldn't be necessary here. However, the SVS (Smart * Voltage Scaling) unit makes its decisions based on the same bank * data. */ static const struct mtk_thermal_data mt2712_thermal_data = …; /* * MT7622 have only one sensing point which uses AUXADC Channel 11 for raw data * access. */ static const struct mtk_thermal_data mt7622_thermal_data = …; /* * The MT8183 thermal controller has one bank for the current SW framework. * The MT8183 has a total of 6 temperature sensors. * There are two thermal controller to control the six sensor. * The first one bind 2 sensor, and the other bind 4 sensors. * The thermal core only gets the maximum temperature of all sensor, so * the bank concept wouldn't be necessary here. However, the SVS (Smart * Voltage Scaling) unit makes its decisions based on the same bank * data, and this indeed needs the temperatures of the individual banks * for making better decisions. */ static const struct mtk_thermal_data mt8183_thermal_data = …; /* * MT7986 uses AUXADC Channel 11 for raw data access. */ static const struct mtk_thermal_data mt7986_thermal_data = …; static bool mtk_thermal_temp_is_valid(int temp) { … } /** * raw_to_mcelsius_v1 - convert a raw ADC value to mcelsius * @mt: The thermal controller * @sensno: sensor number * @raw: raw ADC value * * This converts the raw ADC value to mcelsius using the SoC specific * calibration constants */ static int raw_to_mcelsius_v1(struct mtk_thermal *mt, int sensno, s32 raw) { … } static int raw_to_mcelsius_v2(struct mtk_thermal *mt, int sensno, s32 raw) { … } static int raw_to_mcelsius_v3(struct mtk_thermal *mt, int sensno, s32 raw) { … } /** * mtk_thermal_get_bank - get bank * @bank: The bank * * The bank registers are banked, we have to select a bank in the * PTPCORESEL register to access it. */ static void mtk_thermal_get_bank(struct mtk_thermal_bank *bank) { … } /** * mtk_thermal_put_bank - release bank * @bank: The bank * * release a bank previously taken with mtk_thermal_get_bank, */ static void mtk_thermal_put_bank(struct mtk_thermal_bank *bank) { … } /** * mtk_thermal_bank_temperature - get the temperature of a bank * @bank: The bank * * The temperature of a bank is considered the maximum temperature of * the sensors associated to the bank. */ static int mtk_thermal_bank_temperature(struct mtk_thermal_bank *bank) { … } static int mtk_read_temp(struct thermal_zone_device *tz, int *temperature) { … } static const struct thermal_zone_device_ops mtk_thermal_ops = …; static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num, u32 apmixed_phys_base, u32 auxadc_phys_base, int ctrl_id) { … } static u64 of_get_phys_base(struct device_node *np) { … } static int mtk_thermal_extract_efuse_v1(struct mtk_thermal *mt, u32 *buf) { … } static int mtk_thermal_extract_efuse_v2(struct mtk_thermal *mt, u32 *buf) { … } static int mtk_thermal_extract_efuse_v3(struct mtk_thermal *mt, u32 *buf) { … } static int mtk_thermal_get_calibration_data(struct device *dev, struct mtk_thermal *mt) { … } static const struct of_device_id mtk_thermal_of_match[] = …; MODULE_DEVICE_TABLE(of, mtk_thermal_of_match); static void mtk_thermal_turn_on_buffer(struct mtk_thermal *mt, void __iomem *apmixed_base) { … } static void mtk_thermal_release_periodic_ts(struct mtk_thermal *mt, void __iomem *auxadc_base) { … } static int mtk_thermal_probe(struct platform_device *pdev) { … } static struct platform_driver mtk_thermal_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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