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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * tmon.h contains data structures and constants used by TMON4 *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_H11#define TMON_H12 13#define MAX_DISP_TEMP 12514#define MAX_CTRL_TEMP 10515#define MIN_CTRL_TEMP 4016#define MAX_NR_TZONE 1617#define MAX_NR_CDEV 3218#define MAX_NR_TRIP 1619#define MAX_NR_CDEV_TRIP 12 /* number of cooling devices that can bind20 * to a thermal zone trip.21 */22#define MAX_TEMP_KC 14000023/* starting char position to draw sensor data, such as tz names24 * trip point list, etc.25 */26#define DATA_LEFT_ALIGN 1027#define NR_LINES_TZDATA 128#define TMON_LOG_FILE "/var/tmp/tmon.log"29 30#include <sys/time.h>31#include <pthread.h>32 33extern unsigned long ticktime;34extern double time_elapsed;35extern unsigned long target_temp_user;36extern int dialogue_on;37extern char ctrl_cdev[];38extern pthread_mutex_t input_lock;39extern int tmon_exit;40extern int target_thermal_zone;41/* use fixed size record to simplify data processing and transfer42 * TBD: more info to be added, e.g. programmable trip point data.43*/44struct thermal_data_record {45 struct timeval tv;46 unsigned long temp[MAX_NR_TZONE];47 double pid_out_pct;48};49 50struct cdev_info {51 char type[64];52 int instance;53 unsigned long max_state;54 unsigned long cur_state;55 unsigned long flag;56};57 58enum trip_type {59 THERMAL_TRIP_CRITICAL,60 THERMAL_TRIP_HOT,61 THERMAL_TRIP_PASSIVE,62 THERMAL_TRIP_ACTIVE,63 NR_THERMAL_TRIP_TYPE,64};65 66struct trip_point {67 enum trip_type type;68 unsigned long temp;69 unsigned long hysteresis;70 int attribute; /* programmability etc. */71};72 73/* thermal zone configuration information, binding with cooling devices could74 * change at runtime.75 */76struct tz_info {77 char type[256]; /* e.g. acpitz */78 int instance;79 int passive; /* active zone has passive node to force passive mode */80 int nr_cdev; /* number of cooling device binded */81 int nr_trip_pts;82 struct trip_point tp[MAX_NR_TRIP];83 unsigned long cdev_binding; /* bitmap for attached cdevs */84 /* cdev bind trip points, allow one cdev bind to multiple trips */85 unsigned long trip_binding[MAX_NR_CDEV];86};87 88struct tmon_platform_data {89 int nr_tz_sensor;90 int nr_cooling_dev;91 /* keep track of instance ids since there might be gaps */92 int max_tz_instance;93 int max_cdev_instance;94 struct tz_info *tzi;95 struct cdev_info *cdi;96};97 98struct control_ops {99 void (*set_ratio)(unsigned long ratio);100 unsigned long (*get_ratio)(unsigned long ratio);101 102};103 104enum cdev_types {105 CDEV_TYPE_PROC,106 CDEV_TYPE_FAN,107 CDEV_TYPE_MEM,108 CDEV_TYPE_NR,109};110 111/* REVISIT: the idea is to group sensors if possible, e.g. on intel mid112 * we have "skin0", "skin1", "sys", "msicdie"113 * on DPTF enabled systems, we might have PCH, TSKN, TAMB, etc.114 */115enum tzone_types {116 TZONE_TYPE_ACPI,117 TZONE_TYPE_PCH,118 TZONE_TYPE_NR,119};120 121/* limit the output of PID controller adjustment */122#define LIMIT_HIGH (95)123#define LIMIT_LOW (2)124 125struct pid_params {126 double kp; /* Controller gain from Dialog Box */127 double ki; /* Time-constant for I action from Dialog Box */128 double kd; /* Time-constant for D action from Dialog Box */129 double ts;130 double k_lpf;131 132 double t_target;133 double y_k;134};135 136extern int init_thermal_controller(void);137extern void controller_handler(const double xk, double *yk);138 139extern struct tmon_platform_data ptdata;140extern struct pid_params p_param;141 142extern FILE *tmon_log;143extern int cur_thermal_record; /* index to the trec array */144extern struct thermal_data_record trec[];145extern const char *trip_type_name[];146extern unsigned long no_control;147 148extern void initialize_curses(void);149extern void show_controller_stats(char *line);150extern void show_title_bar(void);151extern void setup_windows(void);152extern void disable_tui(void);153extern void show_sensors_w(void);154extern void show_data_w(void);155extern void write_status_bar(int x, char *line);156extern void show_control_w();157 158extern void show_cooling_device(void);159extern void show_dialogue(void);160extern int update_thermal_data(void);161 162extern int probe_thermal_sysfs(void);163extern void free_thermal_data(void);164extern void resize_handler(int sig);165extern void set_ctrl_state(unsigned long state);166extern void get_ctrl_state(unsigned long *state);167extern void *handle_tui_events(void *arg);168extern int sysfs_set_ulong(char *path, char *filename, unsigned long val);169extern int zone_instance_to_index(int zone_inst);170extern void close_windows(void);171 172#define PT_COLOR_DEFAULT 1173#define PT_COLOR_HEADER_BAR 2174#define PT_COLOR_ERROR 3175#define PT_COLOR_RED 4176#define PT_COLOR_YELLOW 5177#define PT_COLOR_GREEN 6178#define PT_COLOR_BRIGHT 7179#define PT_COLOR_BLUE 8180 181/* each thermal zone uses 12 chars, 8 for name, 2 for instance, 2 space182 * also used to list trip points in forms of AAAC, which represents183 * A: Active184 * C: Critical185 */186#define TZONE_RECORD_SIZE 12187#define TZ_LEFT_ALIGN 32188#define CDEV_NAME_SIZE 20189#define CDEV_FLAG_IN_CONTROL (1 << 0)190 191/* dialogue box starts */192#define DIAG_X 48193#define DIAG_Y 8194#define THERMAL_SYSFS "/sys/class/thermal"195#define CDEV "cooling_device"196#define TZONE "thermal_zone"197#define TDATA_LEFT 16198#endif /* TMON_H */199