linux-imx

// SPDX-License-Identifier: GPL-2.0-or-later

/*

 * tmon.c Thermal Monitor (TMON) main function and entry point

 *

 * Copyright (C) 2012 Intel Corporation. All rights reserved.

 *

 * Author: Jacob Pan <jacob.jun.pan@linux.intel.com>

 */

​

#include <getopt.h>

#include <unistd.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <sys/types.h>

#include <sys/stat.h>

#include <ncurses.h>

#include <ctype.h>

#include <time.h>

#include <signal.h>

#include <limits.h>

#include <sys/time.h>

#include <pthread.h>

#include <math.h>

#include <stdarg.h>

#include <syslog.h>

​

#include "tmon.h"

​

unsigned long ticktime = 1; /* seconds */

unsigned long no_control = 1; /* monitoring only or use cooling device for

                   * temperature control.

                   */

double time_elapsed = 0.0;

unsigned long target_temp_user = 65; /* can be select by tui later */

int dialogue_on;

int tmon_exit;

static short    daemon_mode;

static int logging; /* for recording thermal data to a file */

static int debug_on;

FILE *tmon_log;

/*cooling device used for the PID controller */

char ctrl_cdev[CDEV_NAME_SIZE] = "None";

int target_thermal_zone; /* user selected target zone instance */

static void start_daemon_mode(void);

​

pthread_t event_tid;

pthread_mutex_t input_lock;

void usage()

{

    printf("Usage: tmon [OPTION...]\n");

    printf("  -c, --control         cooling device in control\n");

    printf("  -d, --daemon          run as daemon, no TUI\n");

    printf("  -g, --debug           debug message in syslog\n");

    printf("  -h, --help            show this help message\n");

    printf("  -l, --log             log data to /var/tmp/tmon.log\n");

    printf("  -t, --time-interval   sampling time interval, > 1 sec.\n");

    printf("  -T, --target-temp     initial target temperature\n");

    printf("  -v, --version         show version\n");

    printf("  -z, --zone            target thermal zone id\n");

​

    exit(0);

}

​

void version()

{

    printf("TMON version %s\n", VERSION);

    exit(EXIT_SUCCESS);

}

​

static void tmon_cleanup(void)

{

​

    syslog(LOG_INFO, "TMON exit cleanup\n");

    fflush(stdout);

    refresh();

    if (tmon_log)

        fclose(tmon_log);

    if (event_tid) {

        pthread_mutex_lock(&input_lock);

        pthread_cancel(event_tid);

        pthread_mutex_unlock(&input_lock);

        pthread_mutex_destroy(&input_lock);

    }

    closelog();

    /* relax control knobs, undo throttling */

    set_ctrl_state(0);

​

    keypad(stdscr, FALSE);

    echo();

    nocbreak();

    close_windows();