compass4nfv -

Age	Commit message (Expand)	Author	Files	Lines
2017-07-04	Fix keepalived ping address	chigang	2	-0/+38

/* * ST Thermal Sensor Driver for syscfg based sensors. * Author: Ajit Pal Singh <ajitpal.singh@st.com> * * Copyright (C) 2003-2014 STMicroelectronics (R&D) Limited * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #include <linux/of.h> #include <linux/module.h> #include <linux/mfd/syscon.h> #include "st_thermal.h" /* STiH415 */ #define STIH415_SYSCFG_FRONT(num) ((num - 100) * 4) #define STIH415_SAS_THSENS_CONF STIH415_SYSCFG_FRONT(178) #define STIH415_SAS_THSENS_STATUS STIH415_SYSCFG_FRONT(198) #define STIH415_SYSCFG_MPE(num) ((num - 600) * 4) #define STIH415_MPE_THSENS_CONF STIH415_SYSCFG_MPE(607) #define STIH415_MPE_THSENS_STATUS STIH415_SYSCFG_MPE(667) /* STiH416 */ #define STIH416_SYSCFG_FRONT(num) ((num - 1000) * 4) #define STIH416_SAS_THSENS_CONF STIH416_SYSCFG_FRONT(1552) #define STIH416_SAS_THSENS_STATUS1 STIH416_SYSCFG_FRONT(1554) #define STIH416_SAS_THSENS_STATUS2 STIH416_SYSCFG_FRONT(1594) /* STiD127 */ #define STID127_SYSCFG_CPU(num) ((num - 700) * 4) #define STID127_THSENS_CONF STID127_SYSCFG_CPU(743) #define STID127_THSENS_STATUS STID127_SYSCFG_CPU(767) static const struct reg_field st_415sas_regfields[MAX_REGFIELDS] = { [TEMP_PWR] = REG_FIELD(STIH415_SAS_THSENS_CONF, 9, 9), [DCORRECT] = REG_FIELD(STIH415_SAS_THSENS_CONF, 4, 8), [OVERFLOW] = REG_FIELD(STIH415_SAS_THSENS_STATUS, 8, 8), [DATA] = REG_FIELD(STIH415_SAS_THSENS_STATUS, 10, 16), }; static const struct reg_field st_415mpe_regfields[MAX_REGFIELDS] = { [TEMP_PWR] = REG_FIELD(STIH415_MPE_THSENS_CONF, 8, 8), [DCORRECT] = REG_FIELD(STIH415_MPE_THSENS_CONF, 3, 7), [OVERFLOW] = REG_FIELD(STIH415_MPE_THSENS_STATUS, 9, 9), [DATA] = REG_FIELD(STIH415_MPE_THSENS_STATUS, 11, 18), }; static const struct reg_field st_416sas_regfields[MAX_REGFIELDS] = { [TEMP_PWR] = REG_FIELD(STIH416_SAS_THSENS_CONF, 9, 9), [DCORRECT] = REG_FIELD(STIH416_SAS_THSENS_CONF, 4, 8), [OVERFLOW] = REG_FIELD(STIH416_SAS_THSENS_STATUS1, 8, 8), [DATA] = REG_FIELD(STIH416_SAS_THSENS_STATUS2, 10, 16), }; static const struct reg_field st_127_regfields[MAX_REGFIELDS] = { [TEMP_PWR] = REG_FIELD(STID127_THSENS_CONF, 7, 7), [DCORRECT] = REG_FIELD(STID127_THSENS_CONF, 2, 6), [OVERFLOW] = REG_FIELD(STID127_THSENS_STATUS, 9, 9), [DATA] = REG_FIELD(STID127_THSENS_STATUS, 11, 18), }; /* Private OPs for System Configuration Register based thermal sensors */ static int st_syscfg_power_ctrl(struct st_thermal_sensor *sensor, enum st_thermal_power_state power_state) { return regmap_field_write(sensor->pwr, power_state); } static int st_syscfg_alloc_regfields(struct st_thermal_sensor *sensor) { struct device *dev = sensor->dev; sensor->pwr = devm_regmap_field_alloc(dev, sensor->regmap, sensor->cdata->reg_fields[TEMP_PWR]); if (IS_ERR(sensor->pwr)) { dev_err(dev, "failed to alloc syscfg regfields\n"); return PTR_ERR(sensor->pwr); } return 0; } static int st_syscfg_regmap_init(struct st_thermal_sensor *sensor) { sensor->regmap = syscon_regmap_lookup_by_compatible(sensor->cdata->sys_compat); if (IS_ERR(sensor->regmap)) { dev_err(sensor->dev, "failed to find syscfg regmap\n"); return PTR_ERR(sensor->regmap); } return 0; } static const struct st_thermal_sensor_ops st_syscfg_sensor_ops = { .power_ctrl = st_syscfg_power_ctrl, .alloc_regfields = st_syscfg_alloc_regfields, .regmap_init = st_syscfg_regmap_init, }; /* Compatible device data for stih415 sas thermal sensor */ static const struct st_thermal_compat_data st_415sas_cdata = { .sys_compat = "st,stih415-front-syscfg", .reg_fields = st_415sas_regfields, .ops = &st_syscfg_sensor_ops, .calibration_val = 16, .temp_adjust_val = 20, .crit_temp = 120, }; /* Compatible device data for stih415 mpe thermal sensor */ static const struct st_thermal_compat_data st_415mpe_cdata = { .sys_compat = "st,stih415-system-syscfg", .reg_fields = st_415mpe_regfields, .ops = &st_syscfg_sensor_ops, .calibration_val = 16, .temp_adjust_val = -103, .crit_temp = 120, }; /* Compatible device data for stih416 sas thermal sensor */ static const struct st_thermal_compat_data st_416sas_cdata = { .sys_compat = "st,stih416-front-syscfg", .reg_fields = st_416sas_regfields, .ops = &st_syscfg_sensor_ops, .calibration_val = 16, .temp_adjust_val = 20, .crit_temp = 120, }; /* Compatible device data for stid127 thermal sensor */ static const struct st_thermal_compat_data st_127_cdata = { .sys_compat = "st,stid127-cpu-syscfg", .reg_fields = st_127_regfields, .ops = &st_syscfg_sensor_ops, .calibration_val = 8, .temp_adjust_val = -103, .crit_temp = 120, }; static const struct of_device_id st_syscfg_thermal_of_match[] = { { .compatible = "st,stih415-sas-thermal", .data = &st_415sas_cdata }, { .compatible = "st,stih415-mpe-thermal", .data = &st_415mpe_cdata }, { .compatible = "st,stih416-sas-thermal", .data = &st_416sas_cdata }, { .compatible = "st,stid127-thermal", .data = &st_127_cdata }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, st_syscfg_thermal_of_match); static int st_syscfg_probe(struct platform_device *pdev) { return st_thermal_register(pdev, st_syscfg_thermal_of_match); } static int st_syscfg_remove(struct platform_device *pdev) { return st_thermal_unregister(pdev); } static struct platform_driver st_syscfg_thermal_driver = { .driver = { .name = "st_syscfg_thermal", .pm = &st_thermal_pm_ops, .of_match_table = st_syscfg_thermal_of_match, }, .probe = st_syscfg_probe, .remove = st_syscfg_remove, }; module_platform_driver(st_syscfg_thermal_driver); MODULE_AUTHOR("STMicroelectronics (R&D) Limited <ajitpal.singh@st.com>"); MODULE_DESCRIPTION("STMicroelectronics STi SoC Thermal Sensor Driver"); MODULE_LICENSE("GPL v2");