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1/*
2 * tmon.h contains data structures and constants used by TMON
3 *
4 * Copyright (C) 2012 Intel Corporation. All rights reserved.
5 *
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.
9 *
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.
14 *
15 * Author Name Jacob Pan <jacob.jun.pan@linux.intel.com>
16 *
17 */
18
19#ifndef TMON_H
20#define TMON_H
21
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.
30 */
31#define MAX_TEMP_KC 140000
32/* starting char position to draw sensor data, such as tz names
33 * trip point list, etc.
34 */
35#define DATA_LEFT_ALIGN 10
36#define NR_LINES_TZDATA 1
37#define TMON_LOG_FILE "/var/tmp/tmon.log"
38
39extern unsigned long ticktime;
40extern double time_elapsed;
41extern unsigned long target_temp_user;
42extern int dialogue_on;
43extern char ctrl_cdev[];
44extern pthread_mutex_t input_lock;
45extern int tmon_exit;
46extern int target_thermal_zone;
47/* use fixed size record to simplify data processing and transfer
48 * TBD: more info to be added, e.g. programmable trip point data.
49*/
50struct thermal_data_record {
51 struct timeval tv;
52 unsigned long temp[MAX_NR_TZONE];
53 double pid_out_pct;
54};
55
56struct cdev_info {
57 char type[64];
58 int instance;
59 unsigned long max_state;
60 unsigned long cur_state;
61 unsigned long flag;
62};
63
64enum trip_type {
65 THERMAL_TRIP_CRITICAL,
66 THERMAL_TRIP_HOT,
67 THERMAL_TRIP_PASSIVE,
68 THERMAL_TRIP_ACTIVE,
69 NR_THERMAL_TRIP_TYPE,
70};
71
72struct trip_point {
73 enum trip_type type;
74 unsigned long temp;
75 unsigned long hysteresis;
76 int attribute; /* programmability etc. */
77};
78
79/* thermal zone configuration information, binding with cooling devices could
80 * change at runtime.
81 */
82struct tz_info {
83 char type[256]; /* e.g. acpitz */
84 int instance;
85 int passive; /* active zone has passive node to force passive mode */
86 int nr_cdev; /* number of cooling device binded */
87 int nr_trip_pts;
88 struct trip_point tp[MAX_NR_TRIP];
89 unsigned long cdev_binding; /* bitmap for attached cdevs */
90 /* cdev bind trip points, allow one cdev bind to multiple trips */
91 unsigned long trip_binding[MAX_NR_CDEV];
92};
93
94struct tmon_platform_data {
95 int nr_tz_sensor;
96 int nr_cooling_dev;
97 /* keep track of instance ids since there might be gaps */
98 int max_tz_instance;
99 int max_cdev_instance;
100 struct tz_info *tzi;
101 struct cdev_info *cdi;
102};
103
104struct control_ops {
105 void (*set_ratio)(unsigned long ratio);
106 unsigned long (*get_ratio)(unsigned long ratio);
107
108};
109
110enum cdev_types {
111 CDEV_TYPE_PROC,
112 CDEV_TYPE_FAN,
113 CDEV_TYPE_MEM,
114 CDEV_TYPE_NR,
115};
116
117/* REVISIT: the idea is to group sensors if possible, e.g. on intel mid
118 * we have "skin0", "skin1", "sys", "msicdie"
119 * on DPTF enabled systems, we might have PCH, TSKN, TAMB, etc.
120 */
121enum tzone_types {
122 TZONE_TYPE_ACPI,
123 TZONE_TYPE_PCH,
124 TZONE_TYPE_NR,
125};
126
127/* limit the output of PID controller adjustment */
128#define LIMIT_HIGH (95)
129#define LIMIT_LOW (2)
130
131struct pid_params {
132 double kp; /* Controller gain from Dialog Box */
133 double ki; /* Time-constant for I action from Dialog Box */
134 double kd; /* Time-constant for D action from Dialog Box */
135 double ts;
136 double k_lpf;
137
138 double t_target;
139 double y_k;
140};
141
142extern int init_thermal_controller(void);
143extern void controller_handler(const double xk, double *yk);
144
145extern struct tmon_platform_data ptdata;
146extern struct pid_params p_param;
147
148extern FILE *tmon_log;
149extern int cur_thermal_record; /* index to the trec array */
150extern struct thermal_data_record trec[];
151extern const char *trip_type_name[];
152extern unsigned long no_control;
153
154extern void initialize_curses(void);
155extern void show_controller_stats(char *line);
156extern void show_title_bar(void);
157extern void setup_windows(void);
158extern void disable_tui(void);
159extern void show_sensors_w(void);
160extern void show_data_w(void);
161extern void write_status_bar(int x, char *line);
162extern void show_control_w();
163
164extern void show_cooling_device(void);
165extern void show_dialogue(void);
166extern int update_thermal_data(void);
167
168extern int probe_thermal_sysfs(void);
169extern void free_thermal_data(void);
170extern void resize_handler(int sig);
171extern void set_ctrl_state(unsigned long state);
172extern void get_ctrl_state(unsigned long *state);
173extern void *handle_tui_events(void *arg);
174extern int sysfs_set_ulong(char *path, char *filename, unsigned long val);
175extern int zone_instance_to_index(int zone_inst);
176extern void close_windows(void);
177
178#define PT_COLOR_DEFAULT 1
179#define PT_COLOR_HEADER_BAR 2
180#define PT_COLOR_ERROR 3
181#define PT_COLOR_RED 4
182#define PT_COLOR_YELLOW 5
183#define PT_COLOR_GREEN 6
184#define PT_COLOR_BRIGHT 7
185#define PT_COLOR_BLUE 8
186
187/* each thermal zone uses 12 chars, 8 for name, 2 for instance, 2 space
188 * also used to list trip points in forms of AAAC, which represents
189 * A: Active
190 * C: Critical
191 */
192#define TZONE_RECORD_SIZE 12
193#define TZ_LEFT_ALIGN 32
194#define CDEV_NAME_SIZE 20
195#define CDEV_FLAG_IN_CONTROL (1 << 0)
196
197/* dialogue box starts */
198#define DIAG_X 48
199#define DIAG_Y 8
200#define THERMAL_SYSFS "/sys/class/thermal"
201#define CDEV "cooling_device"
202#define TZONE "thermal_zone"
203#define TDATA_LEFT 16
204#endif /* TMON_H */
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