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/*
* Copyright 2018 Duan Hao
* Copyright 2018 Con Kolivas <kernel@kolivas.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at your option)
* any later version. See COPYING for more details.
*/
#ifndef _DM_FAN_CTRL_H_
#define _DM_FAN_CTRL_H_
#define FAN_SPEED_MAX (100) // max fan speed (%)
#define FAN_SPEED_MIN (0) // min fan speed (%)
#define FAN_SPEED_DEF (80) // default fan speed (%)
#define FAN_SPEED_PREHEAT (10) // preheat fan speed
typedef enum _FAN_MODE
{
FAN_MODE_MANUAL = 0, // manual fan control mode
FAN_MODE_AUTO = 1, // auto fan control mode
} FAN_MODE;
typedef enum _FAN_PROFILE
{
FAN_PF_NORMAL = 0, // normal fan control
FAN_PF_OVERHEAT = 1, // overheat fan control
FAN_PF_PREHEAT = 2, // preheat fan control
} FAN_PROFILE;
typedef struct _c_fan_cfg
{
char fan_mode; // fan mode: auto / manual
char fan_speed; // fan speed (percent)
char fan_speed_preheat; // preheat fan speed (percent)
char fan_ctrl_cycle; // time interval between fan controls (s)
char tmp_chk_span; // time span of temperature rising checks (s)
bool preheat; // true if preheat is enabled
} c_fan_cfg;
extern volatile c_fan_cfg g_fan_cfg; // fan config
extern volatile int g_fan_profile; // fan profile: normal / overheat / preheat
void dm_fanctrl_get_defcfg(c_fan_cfg *p_cfg);
void dm_fanctrl_init(c_fan_cfg *p_cfg);
void dm_fanctrl_set_fan_speed(char speed);
void *dm_fanctrl_thread(void *argv);
#endif // _DM_FAN_CTRL_H_
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