tmon.h (5160B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * tmon.h contains data structures and constants used by TMON 4 * 5 * Copyright (C) 2012 Intel Corporation. All rights reserved. 6 * 7 * Author Name Jacob Pan <jacob.jun.pan@linux.intel.com> 8 */ 9 10#ifndef TMON_H 11#define TMON_H 12 13#define MAX_DISP_TEMP 125 14#define MAX_CTRL_TEMP 105 15#define MIN_CTRL_TEMP 40 16#define MAX_NR_TZONE 16 17#define MAX_NR_CDEV 32 18#define MAX_NR_TRIP 16 19#define MAX_NR_CDEV_TRIP 12 /* number of cooling devices that can bind 20 * to a thermal zone trip. 21 */ 22#define MAX_TEMP_KC 140000 23/* starting char position to draw sensor data, such as tz names 24 * trip point list, etc. 25 */ 26#define DATA_LEFT_ALIGN 10 27#define NR_LINES_TZDATA 1 28#define TMON_LOG_FILE "/var/tmp/tmon.log" 29 30extern unsigned long ticktime; 31extern double time_elapsed; 32extern unsigned long target_temp_user; 33extern int dialogue_on; 34extern char ctrl_cdev[]; 35extern pthread_mutex_t input_lock; 36extern int tmon_exit; 37extern int target_thermal_zone; 38/* use fixed size record to simplify data processing and transfer 39 * TBD: more info to be added, e.g. programmable trip point data. 40*/ 41struct thermal_data_record { 42 struct timeval tv; 43 unsigned long temp[MAX_NR_TZONE]; 44 double pid_out_pct; 45}; 46 47struct cdev_info { 48 char type[64]; 49 int instance; 50 unsigned long max_state; 51 unsigned long cur_state; 52 unsigned long flag; 53}; 54 55enum trip_type { 56 THERMAL_TRIP_CRITICAL, 57 THERMAL_TRIP_HOT, 58 THERMAL_TRIP_PASSIVE, 59 THERMAL_TRIP_ACTIVE, 60 NR_THERMAL_TRIP_TYPE, 61}; 62 63struct trip_point { 64 enum trip_type type; 65 unsigned long temp; 66 unsigned long hysteresis; 67 int attribute; /* programmability etc. */ 68}; 69 70/* thermal zone configuration information, binding with cooling devices could 71 * change at runtime. 72 */ 73struct tz_info { 74 char type[256]; /* e.g. acpitz */ 75 int instance; 76 int passive; /* active zone has passive node to force passive mode */ 77 int nr_cdev; /* number of cooling device binded */ 78 int nr_trip_pts; 79 struct trip_point tp[MAX_NR_TRIP]; 80 unsigned long cdev_binding; /* bitmap for attached cdevs */ 81 /* cdev bind trip points, allow one cdev bind to multiple trips */ 82 unsigned long trip_binding[MAX_NR_CDEV]; 83}; 84 85struct tmon_platform_data { 86 int nr_tz_sensor; 87 int nr_cooling_dev; 88 /* keep track of instance ids since there might be gaps */ 89 int max_tz_instance; 90 int max_cdev_instance; 91 struct tz_info *tzi; 92 struct cdev_info *cdi; 93}; 94 95struct control_ops { 96 void (*set_ratio)(unsigned long ratio); 97 unsigned long (*get_ratio)(unsigned long ratio); 98 99}; 100 101enum cdev_types { 102 CDEV_TYPE_PROC, 103 CDEV_TYPE_FAN, 104 CDEV_TYPE_MEM, 105 CDEV_TYPE_NR, 106}; 107 108/* REVISIT: the idea is to group sensors if possible, e.g. on intel mid 109 * we have "skin0", "skin1", "sys", "msicdie" 110 * on DPTF enabled systems, we might have PCH, TSKN, TAMB, etc. 111 */ 112enum tzone_types { 113 TZONE_TYPE_ACPI, 114 TZONE_TYPE_PCH, 115 TZONE_TYPE_NR, 116}; 117 118/* limit the output of PID controller adjustment */ 119#define LIMIT_HIGH (95) 120#define LIMIT_LOW (2) 121 122struct pid_params { 123 double kp; /* Controller gain from Dialog Box */ 124 double ki; /* Time-constant for I action from Dialog Box */ 125 double kd; /* Time-constant for D action from Dialog Box */ 126 double ts; 127 double k_lpf; 128 129 double t_target; 130 double y_k; 131}; 132 133extern int init_thermal_controller(void); 134extern void controller_handler(const double xk, double *yk); 135 136extern struct tmon_platform_data ptdata; 137extern struct pid_params p_param; 138 139extern FILE *tmon_log; 140extern int cur_thermal_record; /* index to the trec array */ 141extern struct thermal_data_record trec[]; 142extern const char *trip_type_name[]; 143extern unsigned long no_control; 144 145extern void initialize_curses(void); 146extern void show_controller_stats(char *line); 147extern void show_title_bar(void); 148extern void setup_windows(void); 149extern void disable_tui(void); 150extern void show_sensors_w(void); 151extern void show_data_w(void); 152extern void write_status_bar(int x, char *line); 153extern void show_control_w(); 154 155extern void show_cooling_device(void); 156extern void show_dialogue(void); 157extern int update_thermal_data(void); 158 159extern int probe_thermal_sysfs(void); 160extern void free_thermal_data(void); 161extern void resize_handler(int sig); 162extern void set_ctrl_state(unsigned long state); 163extern void get_ctrl_state(unsigned long *state); 164extern void *handle_tui_events(void *arg); 165extern int sysfs_set_ulong(char *path, char *filename, unsigned long val); 166extern int zone_instance_to_index(int zone_inst); 167extern void close_windows(void); 168 169#define PT_COLOR_DEFAULT 1 170#define PT_COLOR_HEADER_BAR 2 171#define PT_COLOR_ERROR 3 172#define PT_COLOR_RED 4 173#define PT_COLOR_YELLOW 5 174#define PT_COLOR_GREEN 6 175#define PT_COLOR_BRIGHT 7 176#define PT_COLOR_BLUE 8 177 178/* each thermal zone uses 12 chars, 8 for name, 2 for instance, 2 space 179 * also used to list trip points in forms of AAAC, which represents 180 * A: Active 181 * C: Critical 182 */ 183#define TZONE_RECORD_SIZE 12 184#define TZ_LEFT_ALIGN 32 185#define CDEV_NAME_SIZE 20 186#define CDEV_FLAG_IN_CONTROL (1 << 0) 187 188/* dialogue box starts */ 189#define DIAG_X 48 190#define DIAG_Y 8 191#define THERMAL_SYSFS "/sys/class/thermal" 192#define CDEV "cooling_device" 193#define TZONE "thermal_zone" 194#define TDATA_LEFT 16 195#endif /* TMON_H */