mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-26 22:24:09 +08:00
041d4bbf12
Fix an imprecision in CELSIUS_TO_KELVIN and move these two macroes to a proper place. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Thomas Sujith <sujith.thomas@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
/*
|
|
* thermal.h ($Revision: 0 $)
|
|
*
|
|
* Copyright (C) 2008 Intel Corp
|
|
* Copyright (C) 2008 Zhang Rui <rui.zhang@intel.com>
|
|
* Copyright (C) 2008 Sujith Thomas <sujith.thomas@intel.com>
|
|
*
|
|
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
* 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; version 2 of the License.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
|
|
*
|
|
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
*/
|
|
|
|
#ifndef __THERMAL_H__
|
|
#define __THERMAL_H__
|
|
|
|
#include <linux/idr.h>
|
|
#include <linux/device.h>
|
|
|
|
struct thermal_zone_device;
|
|
struct thermal_cooling_device;
|
|
|
|
struct thermal_zone_device_ops {
|
|
int (*bind) (struct thermal_zone_device *,
|
|
struct thermal_cooling_device *);
|
|
int (*unbind) (struct thermal_zone_device *,
|
|
struct thermal_cooling_device *);
|
|
int (*get_temp) (struct thermal_zone_device *, char *);
|
|
int (*get_mode) (struct thermal_zone_device *, char *);
|
|
int (*set_mode) (struct thermal_zone_device *, const char *);
|
|
int (*get_trip_type) (struct thermal_zone_device *, int, char *);
|
|
int (*get_trip_temp) (struct thermal_zone_device *, int, char *);
|
|
};
|
|
|
|
struct thermal_cooling_device_ops {
|
|
int (*get_max_state) (struct thermal_cooling_device *, char *);
|
|
int (*get_cur_state) (struct thermal_cooling_device *, char *);
|
|
int (*set_cur_state) (struct thermal_cooling_device *, unsigned int);
|
|
};
|
|
|
|
#define THERMAL_TRIPS_NONE -1
|
|
#define THERMAL_MAX_TRIPS 10
|
|
#define THERMAL_NAME_LENGTH 20
|
|
struct thermal_cooling_device {
|
|
int id;
|
|
char type[THERMAL_NAME_LENGTH];
|
|
struct device device;
|
|
void *devdata;
|
|
struct thermal_cooling_device_ops *ops;
|
|
struct list_head node;
|
|
};
|
|
|
|
#define KELVIN_TO_CELSIUS(t) (long)(((long)t-2732 >= 0) ? \
|
|
((long)t-2732+5)/10 : ((long)t-2732-5)/10)
|
|
#define CELSIUS_TO_KELVIN(t) ((t)*10+2732)
|
|
|
|
struct thermal_zone_device {
|
|
int id;
|
|
char type[THERMAL_NAME_LENGTH];
|
|
struct device device;
|
|
void *devdata;
|
|
int trips;
|
|
struct thermal_zone_device_ops *ops;
|
|
struct list_head cooling_devices;
|
|
struct idr idr;
|
|
struct mutex lock; /* protect cooling devices list */
|
|
struct list_head node;
|
|
};
|
|
|
|
struct thermal_zone_device *thermal_zone_device_register(char *, int, void *,
|
|
struct thermal_zone_device_ops *);
|
|
void thermal_zone_device_unregister(struct thermal_zone_device *);
|
|
|
|
int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,
|
|
struct thermal_cooling_device *);
|
|
int thermal_zone_unbind_cooling_device(struct thermal_zone_device *, int,
|
|
struct thermal_cooling_device *);
|
|
|
|
struct thermal_cooling_device *thermal_cooling_device_register(char *, void *,
|
|
struct thermal_cooling_device_ops *);
|
|
void thermal_cooling_device_unregister(struct thermal_cooling_device *);
|
|
|
|
#endif /* __THERMAL_H__ */
|