1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * tmon.h contains data structures and constants used by TMON
5 * Copyright (C) 2012 Intel Corporation. All rights reserved.
7 * Author Name Jacob Pan <jacob.jun.pan@linux.intel.com>
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.
22 #define MAX_TEMP_KC 140000
23 /* starting char position to draw sensor data, such as tz names
24 * trip point list, etc.
26 #define DATA_LEFT_ALIGN 10
27 #define NR_LINES_TZDATA 1
28 #define TMON_LOG_FILE "/var/tmp/tmon.log"
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;
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.
41 struct thermal_data_record {
43 unsigned long temp[MAX_NR_TZONE];
50 unsigned long max_state;
51 unsigned long cur_state;
56 THERMAL_TRIP_CRITICAL,
66 unsigned long hysteresis;
67 int attribute; /* programmability etc. */
70 /* thermal zone configuration information, binding with cooling devices could
74 char type[256]; /* e.g. acpitz */
76 int passive; /* active zone has passive node to force passive mode */
77 int nr_cdev; /* number of cooling device binded */
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];
85 struct tmon_platform_data {
88 /* keep track of instance ids since there might be gaps */
90 int max_cdev_instance;
92 struct cdev_info *cdi;
96 void (*set_ratio)(unsigned long ratio);
97 unsigned long (*get_ratio)(unsigned long ratio);
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.
118 /* limit the output of PID controller adjustment */
119 #define LIMIT_HIGH (95)
120 #define LIMIT_LOW (2)
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 */
133 extern int init_thermal_controller(void);
134 extern void controller_handler(const double xk, double *yk);
136 extern struct tmon_platform_data ptdata;
137 extern struct pid_params p_param;
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;
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();
155 extern void show_cooling_device(void);
156 extern void show_dialogue(void);
157 extern int update_thermal_data(void);
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);
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
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
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)
188 /* dialogue box starts */
191 #define THERMAL_SYSFS "/sys/class/thermal"
192 #define CDEV "cooling_device"
193 #define TZONE "thermal_zone"
194 #define TDATA_LEFT 16