205 lines
5.4 KiB
C
205 lines
5.4 KiB
C
/*
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* tmon.h contains data structures and constants used by TMON
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*
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* Copyright (C) 2012 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 or later as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Author Name Jacob Pan <jacob.jun.pan@linux.intel.com>
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*
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*/
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#ifndef TMON_H
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#define TMON_H
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#define MAX_DISP_TEMP 125
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#define MAX_CTRL_TEMP 105
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#define MIN_CTRL_TEMP 40
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#define MAX_NR_TZONE 16
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#define MAX_NR_CDEV 32
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#define MAX_NR_TRIP 16
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#define MAX_NR_CDEV_TRIP 12 /* number of cooling devices that can bind
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* to a thermal zone trip.
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*/
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#define MAX_TEMP_KC 140000
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/* starting char position to draw sensor data, such as tz names
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* trip point list, etc.
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*/
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#define DATA_LEFT_ALIGN 10
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#define NR_LINES_TZDATA 1
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#define TMON_LOG_FILE "/var/tmp/tmon.log"
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extern unsigned long ticktime;
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extern double time_elapsed;
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extern unsigned long target_temp_user;
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extern int dialogue_on;
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extern char ctrl_cdev[];
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extern pthread_mutex_t input_lock;
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extern int tmon_exit;
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extern int target_thermal_zone;
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/* use fixed size record to simplify data processing and transfer
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* TBD: more info to be added, e.g. programmable trip point data.
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*/
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struct thermal_data_record {
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struct timeval tv;
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unsigned long temp[MAX_NR_TZONE];
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double pid_out_pct;
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};
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struct cdev_info {
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char type[64];
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int instance;
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unsigned long max_state;
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unsigned long cur_state;
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unsigned long flag;
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};
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enum trip_type {
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THERMAL_TRIP_CRITICAL,
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THERMAL_TRIP_HOT,
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THERMAL_TRIP_PASSIVE,
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THERMAL_TRIP_ACTIVE,
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NR_THERMAL_TRIP_TYPE,
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};
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struct trip_point {
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enum trip_type type;
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unsigned long temp;
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unsigned long hysteresis;
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int attribute; /* programmability etc. */
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};
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/* thermal zone configuration information, binding with cooling devices could
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* change at runtime.
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*/
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struct tz_info {
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char type[256]; /* e.g. acpitz */
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int instance;
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int passive; /* active zone has passive node to force passive mode */
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int nr_cdev; /* number of cooling device binded */
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int nr_trip_pts;
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struct trip_point tp[MAX_NR_TRIP];
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unsigned long cdev_binding; /* bitmap for attached cdevs */
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/* cdev bind trip points, allow one cdev bind to multiple trips */
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unsigned long trip_binding[MAX_NR_CDEV];
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};
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struct tmon_platform_data {
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int nr_tz_sensor;
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int nr_cooling_dev;
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/* keep track of instance ids since there might be gaps */
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int max_tz_instance;
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int max_cdev_instance;
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struct tz_info *tzi;
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struct cdev_info *cdi;
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};
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struct control_ops {
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void (*set_ratio)(unsigned long ratio);
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unsigned long (*get_ratio)(unsigned long ratio);
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};
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enum cdev_types {
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CDEV_TYPE_PROC,
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CDEV_TYPE_FAN,
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CDEV_TYPE_MEM,
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CDEV_TYPE_NR,
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};
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/* REVISIT: the idea is to group sensors if possible, e.g. on intel mid
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* we have "skin0", "skin1", "sys", "msicdie"
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* on DPTF enabled systems, we might have PCH, TSKN, TAMB, etc.
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*/
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enum tzone_types {
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TZONE_TYPE_ACPI,
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TZONE_TYPE_PCH,
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TZONE_TYPE_NR,
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};
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/* limit the output of PID controller adjustment */
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#define LIMIT_HIGH (95)
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#define LIMIT_LOW (2)
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struct pid_params {
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double kp; /* Controller gain from Dialog Box */
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double ki; /* Time-constant for I action from Dialog Box */
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double kd; /* Time-constant for D action from Dialog Box */
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double ts;
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double k_lpf;
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double t_target;
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double y_k;
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};
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extern int init_thermal_controller(void);
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extern void controller_handler(const double xk, double *yk);
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extern struct tmon_platform_data ptdata;
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extern struct pid_params p_param;
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extern FILE *tmon_log;
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extern int cur_thermal_record; /* index to the trec array */
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extern struct thermal_data_record trec[];
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extern const char *trip_type_name[];
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extern unsigned long no_control;
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extern void initialize_curses(void);
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extern void show_controller_stats(char *line);
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extern void show_title_bar(void);
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extern void setup_windows(void);
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extern void disable_tui(void);
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extern void show_sensors_w(void);
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extern void show_data_w(void);
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extern void write_status_bar(int x, char *line);
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extern void show_control_w();
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extern void show_cooling_device(void);
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extern void show_dialogue(void);
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extern int update_thermal_data(void);
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extern int probe_thermal_sysfs(void);
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extern void free_thermal_data(void);
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extern void resize_handler(int sig);
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extern void set_ctrl_state(unsigned long state);
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extern void get_ctrl_state(unsigned long *state);
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extern void *handle_tui_events(void *arg);
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extern int sysfs_set_ulong(char *path, char *filename, unsigned long val);
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extern int zone_instance_to_index(int zone_inst);
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extern void close_windows(void);
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#define PT_COLOR_DEFAULT 1
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#define PT_COLOR_HEADER_BAR 2
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#define PT_COLOR_ERROR 3
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#define PT_COLOR_RED 4
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#define PT_COLOR_YELLOW 5
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#define PT_COLOR_GREEN 6
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#define PT_COLOR_BRIGHT 7
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#define PT_COLOR_BLUE 8
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/* each thermal zone uses 12 chars, 8 for name, 2 for instance, 2 space
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* also used to list trip points in forms of AAAC, which represents
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* A: Active
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* C: Critical
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*/
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#define TZONE_RECORD_SIZE 12
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#define TZ_LEFT_ALIGN 32
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#define CDEV_NAME_SIZE 20
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#define CDEV_FLAG_IN_CONTROL (1 << 0)
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/* dialogue box starts */
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#define DIAG_X 48
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#define DIAG_Y 8
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#define THERMAL_SYSFS "/sys/class/thermal"
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#define CDEV "cooling_device"
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#define TZONE "thermal_zone"
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#define TDATA_LEFT 16
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#endif /* TMON_H */
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