include/tmu.h

   1 /*
   2  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
   3  *      http://www.samsung.com
   4  * Akshay Saraswat <akshay.s@samsung.com>
   5  *
   6  * Thermal Management Unit
   7  *
   8  * See file CREDITS for list of people who contributed to this
   9  * project.
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  17  * MA 02111-1307 USA
  18  */
  19
  20 #ifndef _TMU_H
  21 #define _TMU_H
  22
  23 enum tmu_status_t {
  24         TMU_STATUS_INIT = -1,
  25         TMU_STATUS_NORMAL = 0,
  26         TMU_STATUS_WARNING,
  27         TMU_STATUS_TRIPPED,
  28 };
  29
  30 /*
  31  * Monitors status of the TMU device and exynos temperature
  32  *
  33  * @param temp  pointer to the current temperature value
  34  * @return      enum tmu_status_t value, code indicating event to execute
  35  *              and -1 on error
  36  */
  37 enum tmu_status_t tmu_monitor(int *temp);
  38
  39 /*
  40  * Initialize TMU device
  41  *
  42  * @param blob  FDT blob
  43  * @return      int value, 0 for success
  44  */
  45 int tmu_init(const void *blob);
  46 #endif  /* _THERMAL_H_ */