/* * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef __MSM_THERMAL_H #define __MSM_THERMAL_H #include #define MAX_THRESHOLD 2 #define TSENS_NAME_MAX 20 #define MONITOR_ALL_TSENS -1 #define HOTPLUG_DEVICE "hotplug" #define CPU0_DEVICE "cpu0" #define CPU1_DEVICE "cpu1" #define CPU2_DEVICE "cpu2" #define CPU3_DEVICE "cpu3" #define CPU4_DEVICE "cpu4" #define CPU5_DEVICE "cpu5" #define CPU6_DEVICE "cpu6" #define CPU7_DEVICE "cpu7" #define CPUFREQ_MAX_NO_MITIGATION UINT_MAX #define CPUFREQ_MIN_NO_MITIGATION 0 #define HOTPLUG_NO_MITIGATION(_mask) cpumask_clear(_mask) #define IS_HI_THRESHOLD_SET(_val) (_val & 1) #define IS_LOW_THRESHOLD_SET(_val) (_val & 2) struct msm_thermal_data { struct platform_device *pdev; uint32_t sensor_id; uint32_t poll_ms; int32_t limit_temp_degC; int32_t temp_hysteresis_degC; uint32_t bootup_freq_step; uint32_t bootup_freq_control_mask; int32_t core_limit_temp_degC; int32_t core_temp_hysteresis_degC; int32_t hotplug_temp_degC; int32_t hotplug_temp_hysteresis_degC; uint32_t core_control_mask; uint32_t freq_mitig_temp_degc; uint32_t freq_mitig_temp_hysteresis_degc; uint32_t freq_mitig_control_mask; uint32_t freq_limit; int32_t vdd_rstr_temp_degC; int32_t vdd_rstr_temp_hyst_degC; int32_t vdd_mx_min; int32_t vdd_cx_min; int32_t psm_temp_degC; int32_t psm_temp_hyst_degC; int32_t ocr_temp_degC; int32_t ocr_temp_hyst_degC; uint32_t ocr_sensor_id; int32_t phase_rpm_resource_type; int32_t phase_rpm_resource_id; int32_t gfx_phase_warm_temp_degC; int32_t gfx_phase_warm_temp_hyst_degC; int32_t gfx_phase_hot_temp_degC; int32_t gfx_phase_hot_temp_hyst_degC; int32_t gfx_sensor; int32_t gfx_phase_request_key; int32_t cx_phase_hot_temp_degC; int32_t cx_phase_hot_temp_hyst_degC; int32_t cx_phase_request_key; int32_t vdd_mx_temp_degC; int32_t vdd_mx_temp_hyst_degC; int32_t vdd_mx_sensor_id; int32_t therm_reset_temp_degC; }; enum sensor_id_type { THERM_ZONE_ID, THERM_TSENS_ID, THERM_ID_MAX_NR, }; struct threshold_info; struct therm_threshold { int32_t sensor_id; enum sensor_id_type id_type; struct sensor_threshold threshold[MAX_THRESHOLD]; int32_t trip_triggered; void (*notify)(struct therm_threshold *); struct threshold_info *parent; int32_t cur_state; }; struct threshold_info { uint32_t thresh_ct; bool thresh_triggered; struct list_head list_ptr; struct therm_threshold *thresh_list; }; enum device_req_type { DEVICE_REQ_NONE = -1, HOTPLUG_MITIGATION_REQ, CPUFREQ_MITIGATION_REQ, DEVICE_REQ_MAX, }; /** * For frequency mitigation request, if client is interested * only in one, either max_freq or min_freq, update default * value for other one also for mitigation request. * Default value for request structure variables: * max_freq = UINT_MAX; * min_freq = 0; * offline_mask = CPU_MASK_NONE; */ struct cpufreq_request { uint32_t max_freq; uint32_t min_freq; }; union device_request { struct cpufreq_request freq; cpumask_t offline_mask; }; struct device_clnt_data; struct device_manager_data { char device_name[TSENS_NAME_MAX]; union device_request active_req; struct list_head client_list; struct list_head dev_ptr; struct mutex clnt_lock; int (*request_validate)(struct device_clnt_data *, union device_request *, enum device_req_type); int (*update)(struct device_manager_data *); void *data; }; struct device_clnt_data { struct device_manager_data *dev_mgr; bool req_active; union device_request request; struct list_head clnt_ptr; void (*callback)(struct device_clnt_data *, union device_request *req, void *); void *usr_data; }; #ifdef CONFIG_THERMAL_MONITOR extern int msm_thermal_init(struct msm_thermal_data *pdata); extern int msm_thermal_device_init(void); extern int msm_thermal_set_frequency(uint32_t cpu, uint32_t freq, bool is_max); extern int msm_thermal_set_cluster_freq(uint32_t cluster, uint32_t freq, bool is_max); extern int msm_thermal_get_freq_plan_size(uint32_t cluster, unsigned int *table_len); extern int msm_thermal_get_cluster_freq_plan(uint32_t cluster, unsigned int *table_ptr); extern int msm_thermal_get_cluster_voltage_plan(uint32_t cluster, uint32_t *table_ptr); /** * sensor_mgr_init_threshold - Initialize thresholds data structure for * sensor(s) with high and low thresholds and * threshold callback. * * @thresh_inp: Client threshold data structure. * @sensor_id: Sensor h/w ID to be monitored. Use MONITOR_ALL_TSENS * to monitor all temperature sensors. * * @high_temp: Trigger threshold value for sensor_id or all sensors. * @low_temp: Clear threshold value for sensor_id or all sensors. * @callback: Callback pointer for threshold notification. * * Returns which threshold is set on success, negative error number * on failure. MACRO IS_HI_THRESHOLD_SET/IS_LOW_THRESHOLD_SET can be used * to decipher which threshold being set. */ extern int sensor_mgr_init_threshold(struct threshold_info *thresh_inp, int sensor_id, int32_t high_temp, int32_t low_temp, void (*callback)(struct therm_threshold *)); /** * sensor_mgr_convert_id_and_set_threshold - It accepts sensor h/w ID, converts * it to sensor zone id and sets * thermal threshold for those * sensors listed in threshold info. * * @thresh_inp: Client threshold data structure. * * Returns zero on success, negative error number on failure. */ extern int sensor_mgr_convert_id_and_set_threshold( struct threshold_info *thresh_inp); /** * sensor_mgr_set_threshold- It sets thermal threshold trips for a sensor. * * @zone_id: Thermal zone ID for the sensor. * @threshold: threshold info for the sensor. * * Returns zero on success, negative error number on failure. */ extern int sensor_mgr_set_threshold(uint32_t zone_id, struct sensor_threshold *threshold); /** * sensor_mgr_remove_threshold- It cancels threshold notification and * removes threshold from sensor manager * threshold list. * * @thresh_inp: The threshold info which needs to be removed. */ extern void sensor_mgr_remove_threshold(struct threshold_info *thresh_inp); /** * devmgr_register_mitigation_client - Register for a device and * gets a handle for mitigation. * @dev: Client device structure. * @device_name: Mitgation device name which the client is interested * to mitigate. * @callback: Optional callback pointer for device change notification, * otherwise pass NULL. * * Returns client handle structure for that device on success, or NULL * with IS_ERR() condition containing error number. */ extern struct device_clnt_data *devmgr_register_mitigation_client( struct device *dev, const char *device_name, void (*callback)(struct device_clnt_data *, union device_request *, void *)); /** * devmgr_client_request_mitigation - Set a valid mitigation for * registered device. * @clnt: Client handle for device. * @type: Type of device request populated above. * @req: Valid mitigation request. * * Returns zero on successful mitigation update, or negative error number. */ extern int devmgr_client_request_mitigation(struct device_clnt_data *clnt, enum device_req_type type, union device_request *req); /** * devmgr_unregister_mitigation_client - Unregister mitigation device * @dev: Client device structure. * @clnt: Client handle for device. */ extern void devmgr_unregister_mitigation_client( struct device *dev, struct device_clnt_data *clnt); #else static inline int msm_thermal_init(struct msm_thermal_data *pdata) { return -ENOSYS; } static inline int msm_thermal_device_init(void) { return -ENOSYS; } static inline int msm_thermal_set_frequency(uint32_t cpu, uint32_t freq, bool is_max) { return -ENOSYS; } static inline int msm_thermal_set_cluster_freq(uint32_t cluster, uint32_t freq, bool is_max) { return -ENOSYS; } static inline int msm_thermal_get_freq_plan_size(uint32_t cluster, unsigned int *table_len) { return -ENOSYS; } static inline int msm_thermal_get_cluster_freq_plan(uint32_t cluster, unsigned int *table_ptr) { return -ENOSYS; } static inline int msm_thermal_get_cluster_voltage_plan(uint32_t cluster, uint32_t *table_ptr) { return -ENOSYS; } static inline int sensor_mgr_init_threshold(struct threshold_info *thresh_inp, int sensor_id, int32_t high_temp, int32_t low_temp, void (*callback)(struct therm_threshold *)) { return -ENOSYS; } static inline int sensor_mgr_convert_id_and_set_threshold( struct threshold_info *thresh_inp) { return -ENOSYS; } static inline int sensor_mgr_set_threshold(uint32_t zone_id, struct sensor_threshold *threshold) { return -ENOSYS; } static inline void sensor_mgr_remove_threshold( struct threshold_info *thresh_inp) { } static inline struct device_clnt_data *devmgr_register_mitigation_client( struct device *dev, const char *device_name, void (*callback)(struct device_clnt_data *, union device_request *, void *)) { return NULL; } static inline int devmgr_client_request_mitigation( struct device_clnt_data *clnt, enum device_req_type type, union device_request *req) { return -ENOSYS; } static inline void devmgr_unregister_mitigation_client( struct device *dev, struct device_clnt_data *clnt) { } #endif #endif /*__MSM_THERMAL_H*/