| Zhang Rui | 203d3d4 | 2008-01-17 15:51:08 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * thermal.h ($Revision: 0 $) |
| 3 | * |
| 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> |
| 7 | * |
| 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. |
| 12 | * |
| 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. |
| 17 | * |
| 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. |
| 21 | * |
| 22 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 23 | */ |
| 24 | |
| 25 | #ifndef __THERMAL_H__ |
| 26 | #define __THERMAL_H__ |
| 27 | |
| 28 | #include <linux/idr.h> |
| 29 | #include <linux/device.h> |
| 30 | |
| 31 | struct thermal_zone_device; |
| 32 | struct thermal_cooling_device; |
| 33 | |
| 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 *); |
| 44 | }; |
| 45 | |
| 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); |
| 50 | }; |
| 51 | |
| 52 | #define THERMAL_TRIPS_NONE -1 |
| 53 | #define THERMAL_MAX_TRIPS 10 |
| 54 | #define THERMAL_NAME_LENGTH 20 |
| 55 | struct thermal_cooling_device { |
| 56 | int id; |
| 57 | char type[THERMAL_NAME_LENGTH]; |
| 58 | struct device device; |
| 59 | void *devdata; |
| 60 | struct thermal_cooling_device_ops *ops; |
| 61 | struct list_head node; |
| 62 | }; |
| 63 | |
| 64 | struct thermal_zone_device { |
| 65 | int id; |
| 66 | char type[THERMAL_NAME_LENGTH]; |
| 67 | struct device device; |
| 68 | void *devdata; |
| 69 | int trips; |
| 70 | struct thermal_zone_device_ops *ops; |
| 71 | struct list_head cooling_devices; |
| 72 | struct idr idr; |
| 73 | struct mutex lock; /* protect cooling devices list */ |
| 74 | struct list_head node; |
| 75 | }; |
| 76 | |
| 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 *); |
| 80 | |
| 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 *); |
| 85 | |
| 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 *); |
| 89 | |
| 90 | #endif /* __THERMAL_H__ */ |