2 * tmon.h contains data structures and constants used by TMON
4 * Copyright (C) 2012 Intel Corporation. All rights reserved.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License version
8 * 2 or later as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * Author Name Jacob Pan <jacob.jun.pan@linux.intel.com>
22 #define MAX_DISP_TEMP 125
23 #define MAX_CTRL_TEMP 105
24 #define MIN_CTRL_TEMP 40
25 #define MAX_NR_TZONE 16
26 #define MAX_NR_CDEV 32
27 #define MAX_NR_TRIP 16
28 #define MAX_NR_CDEV_TRIP 12 /* number of cooling devices that can bind
29 * to a thermal zone trip.
31 #define MAX_TEMP_KC 140000
32 /* starting char position to draw sensor data, such as tz names
33 * trip point list, etc.
35 #define DATA_LEFT_ALIGN 10
36 #define NR_LINES_TZDATA 1
37 #define TMON_LOG_FILE "/var/tmp/tmon.log"
42 extern unsigned long ticktime;
43 extern double time_elapsed;
44 extern unsigned long target_temp_user;
45 extern int dialogue_on;
46 extern char ctrl_cdev[];
47 extern pthread_mutex_t input_lock;
49 extern int target_thermal_zone;
50 /* use fixed size record to simplify data processing and transfer
51 * TBD: more info to be added, e.g. programmable trip point data.
53 struct thermal_data_record {
55 unsigned long temp[MAX_NR_TZONE];
62 unsigned long max_state;
63 unsigned long cur_state;
68 THERMAL_TRIP_CRITICAL,
78 unsigned long hysteresis;
79 int attribute; /* programmability etc. */
82 /* thermal zone configuration information, binding with cooling devices could
86 char type[256]; /* e.g. acpitz */
88 int passive; /* active zone has passive node to force passive mode */
89 int nr_cdev; /* number of cooling device binded */
91 struct trip_point tp[MAX_NR_TRIP];
92 unsigned long cdev_binding; /* bitmap for attached cdevs */
93 /* cdev bind trip points, allow one cdev bind to multiple trips */
94 unsigned long trip_binding[MAX_NR_CDEV];
97 struct tmon_platform_data {
100 /* keep track of instance ids since there might be gaps */
102 int max_cdev_instance;
104 struct cdev_info *cdi;
108 void (*set_ratio)(unsigned long ratio);
109 unsigned long (*get_ratio)(unsigned long ratio);
120 /* REVISIT: the idea is to group sensors if possible, e.g. on intel mid
121 * we have "skin0", "skin1", "sys", "msicdie"
122 * on DPTF enabled systems, we might have PCH, TSKN, TAMB, etc.
130 /* limit the output of PID controller adjustment */
131 #define LIMIT_HIGH (95)
132 #define LIMIT_LOW (2)
135 double kp; /* Controller gain from Dialog Box */
136 double ki; /* Time-constant for I action from Dialog Box */
137 double kd; /* Time-constant for D action from Dialog Box */
145 extern int init_thermal_controller(void);
146 extern void controller_handler(const double xk, double *yk);
148 extern struct tmon_platform_data ptdata;
149 extern struct pid_params p_param;
151 extern FILE *tmon_log;
152 extern int cur_thermal_record; /* index to the trec array */
153 extern struct thermal_data_record trec[];
154 extern const char *trip_type_name[];
155 extern unsigned long no_control;
157 extern void initialize_curses(void);
158 extern void show_controller_stats(char *line);
159 extern void show_title_bar(void);
160 extern void setup_windows(void);
161 extern void disable_tui(void);
162 extern void show_sensors_w(void);
163 extern void show_data_w(void);
164 extern void write_status_bar(int x, char *line);
165 extern void show_control_w();
167 extern void show_cooling_device(void);
168 extern void show_dialogue(void);
169 extern int update_thermal_data(void);
171 extern int probe_thermal_sysfs(void);
172 extern void free_thermal_data(void);
173 extern void resize_handler(int sig);
174 extern void set_ctrl_state(unsigned long state);
175 extern void get_ctrl_state(unsigned long *state);
176 extern void *handle_tui_events(void *arg);
177 extern int sysfs_set_ulong(char *path, char *filename, unsigned long val);
178 extern int zone_instance_to_index(int zone_inst);
179 extern void close_windows(void);
181 #define PT_COLOR_DEFAULT 1
182 #define PT_COLOR_HEADER_BAR 2
183 #define PT_COLOR_ERROR 3
184 #define PT_COLOR_RED 4
185 #define PT_COLOR_YELLOW 5
186 #define PT_COLOR_GREEN 6
187 #define PT_COLOR_BRIGHT 7
188 #define PT_COLOR_BLUE 8
190 /* each thermal zone uses 12 chars, 8 for name, 2 for instance, 2 space
191 * also used to list trip points in forms of AAAC, which represents
195 #define TZONE_RECORD_SIZE 12
196 #define TZ_LEFT_ALIGN 32
197 #define CDEV_NAME_SIZE 20
198 #define CDEV_FLAG_IN_CONTROL (1 << 0)
200 /* dialogue box starts */
203 #define THERMAL_SYSFS "/sys/class/thermal"
204 #define CDEV "cooling_device"
205 #define TZONE "thermal_zone"
206 #define TDATA_LEFT 16