2 * thermal.h ($Revision: 0 $)
4 * Copyright (C) 2008 Intel Corp
5 * Copyright (C) 2008 Zhang Rui <rui.zhang@intel.com>
6 * Copyright (C) 2008 Sujith Thomas <sujith.thomas@intel.com>
8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; version 2 of the License.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
28 #include <linux/idr.h>
29 #include <linux/device.h>
31 struct thermal_zone_device
;
32 struct thermal_cooling_device
;
34 struct thermal_zone_device_ops
{
35 int (*bind
) (struct thermal_zone_device
*,
36 struct thermal_cooling_device
*);
37 int (*unbind
) (struct thermal_zone_device
*,
38 struct thermal_cooling_device
*);
39 int (*get_temp
) (struct thermal_zone_device
*, char *);
40 int (*get_mode
) (struct thermal_zone_device
*, char *);
41 int (*set_mode
) (struct thermal_zone_device
*, const char *);
42 int (*get_trip_type
) (struct thermal_zone_device
*, int, char *);
43 int (*get_trip_temp
) (struct thermal_zone_device
*, int, char *);
46 struct thermal_cooling_device_ops
{
47 int (*get_max_state
) (struct thermal_cooling_device
*, char *);
48 int (*get_cur_state
) (struct thermal_cooling_device
*, char *);
49 int (*set_cur_state
) (struct thermal_cooling_device
*, unsigned int);
52 #define THERMAL_TRIPS_NONE -1
53 #define THERMAL_MAX_TRIPS 10
54 #define THERMAL_NAME_LENGTH 20
55 struct thermal_cooling_device
{
57 char type
[THERMAL_NAME_LENGTH
];
60 struct thermal_cooling_device_ops
*ops
;
61 struct list_head node
;
64 struct thermal_zone_device
{
66 char type
[THERMAL_NAME_LENGTH
];
70 struct thermal_zone_device_ops
*ops
;
71 struct list_head cooling_devices
;
73 struct mutex lock
; /* protect cooling devices list */
74 struct list_head node
;
77 struct thermal_zone_device
*thermal_zone_device_register(char *, int, void *,
78 struct thermal_zone_device_ops
*);
79 void thermal_zone_device_unregister(struct thermal_zone_device
*);
81 int thermal_zone_bind_cooling_device(struct thermal_zone_device
*, int,
82 struct thermal_cooling_device
*);
83 int thermal_zone_unbind_cooling_device(struct thermal_zone_device
*, int,
84 struct thermal_cooling_device
*);
86 struct thermal_cooling_device
*thermal_cooling_device_register(char *, void *,
87 struct thermal_cooling_device_ops
*);
88 void thermal_cooling_device_unregister(struct thermal_cooling_device
*);
90 #endif /* __THERMAL_H__ */