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 extern unsigned long ticktime; 31 extern double time_elapsed; 32 extern unsigned long target_temp_user; 33 extern int dialogue_on; 34 extern char ctrl_cdev[]; 35 extern pthread_mutex_t input_lock; 36 extern int tmon_exit; 37 extern 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 */ 41 struct thermal_data_record { 42 struct timeval tv; 43 unsigned long temp[MAX_NR_TZONE]; 44 double pid_out_pct; 45 }; 46 47 struct 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 55 enum 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 63 struct 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 */ 73 struct 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 85 struct 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 95 struct control_ops { 96 void (*set_ratio)(unsigned long ratio); 97 unsigned long (*get_ratio)(unsigned long ratio); 98 99 }; 100 101 enum 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 */ 112 enum 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) 121 122 struct 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 }; 132 133 extern int init_thermal_controller(void); 134 extern void controller_handler(const double xk, double *yk); 135 136 extern struct tmon_platform_data ptdata; 137 extern struct pid_params p_param; 138 139 extern FILE *tmon_log; 140 extern int cur_thermal_record; /* index to the trec array */ 141 extern struct thermal_data_record trec[]; 142 extern const char *trip_type_name[]; 143 extern unsigned long no_control; 144 145 extern void initialize_curses(void); 146 extern void show_controller_stats(char *line); 147 extern void show_title_bar(void); 148 extern void setup_windows(void); 149 extern void disable_tui(void); 150 extern void show_sensors_w(void); 151 extern void show_data_w(void); 152 extern void write_status_bar(int x, char *line); 153 extern void show_control_w(); 154 155 extern void show_cooling_device(void); 156 extern void show_dialogue(void); 157 extern int update_thermal_data(void); 158 159 extern int probe_thermal_sysfs(void); 160 extern void free_thermal_data(void); 161 extern void resize_handler(int sig); 162 extern void set_ctrl_state(unsigned long state); 163 extern void get_ctrl_state(unsigned long *state); 164 extern void *handle_tui_events(void *arg); 165 extern int sysfs_set_ulong(char *path, char *filename, unsigned long val); 166 extern int zone_instance_to_index(int zone_inst); 167 extern 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 */ 196