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 30 #include <sys/time.h> 31 #include <pthread.h> 32 33 extern unsigned long ticktime; 34 extern double time_elapsed; 35 extern unsigned long target_temp_user; 36 extern int dialogue_on; 37 extern char ctrl_cdev[]; 38 extern pthread_mutex_t input_lock; 39 extern int tmon_exit; 40 extern int target_thermal_zone; 41 /* use fixed size record to simplify data processing and transfer 42 * TBD: more info to be added, e.g. programmable trip point data. 43 */ 44 struct thermal_data_record { 45 struct timeval tv; 46 unsigned long temp[MAX_NR_TZONE]; 47 double pid_out_pct; 48 }; 49 50 struct cdev_info { 51 char type[64]; 52 int instance; 53 unsigned long max_state; 54 unsigned long cur_state; 55 unsigned long flag; 56 }; 57 58 enum trip_type { 59 THERMAL_TRIP_CRITICAL, 60 THERMAL_TRIP_HOT, 61 THERMAL_TRIP_PASSIVE, 62 THERMAL_TRIP_ACTIVE, 63 NR_THERMAL_TRIP_TYPE, 64 }; 65 66 struct trip_point { 67 enum trip_type type; 68 unsigned long temp; 69 unsigned long hysteresis; 70 int attribute; /* programmability etc. */ 71 }; 72 73 /* thermal zone configuration information, binding with cooling devices could 74 * change at runtime. 75 */ 76 struct tz_info { 77 char type[256]; /* e.g. acpitz */ 78 int instance; 79 int passive; /* active zone has passive node to force passive mode */ 80 int nr_cdev; /* number of cooling device binded */ 81 int nr_trip_pts; 82 struct trip_point tp[MAX_NR_TRIP]; 83 unsigned long cdev_binding; /* bitmap for attached cdevs */ 84 /* cdev bind trip points, allow one cdev bind to multiple trips */ 85 unsigned long trip_binding[MAX_NR_CDEV]; 86 }; 87 88 struct tmon_platform_data { 89 int nr_tz_sensor; 90 int nr_cooling_dev; 91 /* keep track of instance ids since there might be gaps */ 92 int max_tz_instance; 93 int max_cdev_instance; 94 struct tz_info *tzi; 95 struct cdev_info *cdi; 96 }; 97 98 struct control_ops { 99 void (*set_ratio)(unsigned long ratio); 100 unsigned long (*get_ratio)(unsigned long ratio); 101 102 }; 103 104 enum cdev_types { 105 CDEV_TYPE_PROC, 106 CDEV_TYPE_FAN, 107 CDEV_TYPE_MEM, 108 CDEV_TYPE_NR, 109 }; 110 111 /* REVISIT: the idea is to group sensors if possible, e.g. on intel mid 112 * we have "skin0", "skin1", "sys", "msicdie" 113 * on DPTF enabled systems, we might have PCH, TSKN, TAMB, etc. 114 */ 115 enum tzone_types { 116 TZONE_TYPE_ACPI, 117 TZONE_TYPE_PCH, 118 TZONE_TYPE_NR, 119 }; 120 121 /* limit the output of PID controller adjustment */ 122 #define LIMIT_HIGH (95) 123 #define LIMIT_LOW (2) 124 125 struct pid_params { 126 double kp; /* Controller gain from Dialog Box */ 127 double ki; /* Time-constant for I action from Dialog Box */ 128 double kd; /* Time-constant for D action from Dialog Box */ 129 double ts; 130 double k_lpf; 131 132 double t_target; 133 double y_k; 134 }; 135 136 extern int init_thermal_controller(void); 137 extern void controller_handler(const double xk, double *yk); 138 139 extern struct tmon_platform_data ptdata; 140 extern struct pid_params p_param; 141 142 extern FILE *tmon_log; 143 extern int cur_thermal_record; /* index to the trec array */ 144 extern struct thermal_data_record trec[]; 145 extern const char *trip_type_name[]; 146 extern unsigned long no_control; 147 148 extern void initialize_curses(void); 149 extern void show_controller_stats(char *line); 150 extern void show_title_bar(void); 151 extern void setup_windows(void); 152 extern void disable_tui(void); 153 extern void show_sensors_w(void); 154 extern void show_data_w(void); 155 extern void write_status_bar(int x, char *line); 156 extern void show_control_w(); 157 158 extern void show_cooling_device(void); 159 extern void show_dialogue(void); 160 extern int update_thermal_data(void); 161 162 extern int probe_thermal_sysfs(void); 163 extern void free_thermal_data(void); 164 extern void resize_handler(int sig); 165 extern void set_ctrl_state(unsigned long state); 166 extern void get_ctrl_state(unsigned long *state); 167 extern void *handle_tui_events(void *arg); 168 extern int sysfs_set_ulong(char *path, char *filename, unsigned long val); 169 extern int zone_instance_to_index(int zone_inst); 170 extern void close_windows(void); 171 172 #define PT_COLOR_DEFAULT 1 173 #define PT_COLOR_HEADER_BAR 2 174 #define PT_COLOR_ERROR 3 175 #define PT_COLOR_RED 4 176 #define PT_COLOR_YELLOW 5 177 #define PT_COLOR_GREEN 6 178 #define PT_COLOR_BRIGHT 7 179 #define PT_COLOR_BLUE 8 180 181 /* each thermal zone uses 12 chars, 8 for name, 2 for instance, 2 space 182 * also used to list trip points in forms of AAAC, which represents 183 * A: Active 184 * C: Critical 185 */ 186 #define TZONE_RECORD_SIZE 12 187 #define TZ_LEFT_ALIGN 32 188 #define CDEV_NAME_SIZE 20 189 #define CDEV_FLAG_IN_CONTROL (1 << 0) 190 191 /* dialogue box starts */ 192 #define DIAG_X 48 193 #define DIAG_Y 8 194 #define THERMAL_SYSFS "/sys/class/thermal" 195 #define CDEV "cooling_device" 196 #define TZONE "thermal_zone" 197 #define TDATA_LEFT 16 198 #endif /* TMON_H */ 199