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91 lines
3.1 KiB
C
91 lines
3.1 KiB
C
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/*
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* thermal.h ($Revision: 0 $)
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*
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* Copyright (C) 2008 Intel Corp
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* Copyright (C) 2008 Zhang Rui <rui.zhang@intel.com>
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* Copyright (C) 2008 Sujith Thomas <sujith.thomas@intel.com>
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*/
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#ifndef __THERMAL_H__
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#define __THERMAL_H__
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#include <linux/idr.h>
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#include <linux/device.h>
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struct thermal_zone_device;
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struct thermal_cooling_device;
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struct thermal_zone_device_ops {
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int (*bind) (struct thermal_zone_device *,
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struct thermal_cooling_device *);
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int (*unbind) (struct thermal_zone_device *,
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struct thermal_cooling_device *);
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int (*get_temp) (struct thermal_zone_device *, char *);
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int (*get_mode) (struct thermal_zone_device *, char *);
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int (*set_mode) (struct thermal_zone_device *, const char *);
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int (*get_trip_type) (struct thermal_zone_device *, int, char *);
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int (*get_trip_temp) (struct thermal_zone_device *, int, char *);
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};
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struct thermal_cooling_device_ops {
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int (*get_max_state) (struct thermal_cooling_device *, char *);
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int (*get_cur_state) (struct thermal_cooling_device *, char *);
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int (*set_cur_state) (struct thermal_cooling_device *, unsigned int);
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};
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#define THERMAL_TRIPS_NONE -1
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#define THERMAL_MAX_TRIPS 10
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#define THERMAL_NAME_LENGTH 20
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struct thermal_cooling_device {
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int id;
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char type[THERMAL_NAME_LENGTH];
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struct device device;
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void *devdata;
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struct thermal_cooling_device_ops *ops;
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struct list_head node;
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};
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struct thermal_zone_device {
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int id;
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char type[THERMAL_NAME_LENGTH];
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struct device device;
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void *devdata;
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int trips;
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struct thermal_zone_device_ops *ops;
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struct list_head cooling_devices;
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struct idr idr;
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struct mutex lock; /* protect cooling devices list */
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struct list_head node;
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};
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struct thermal_zone_device *thermal_zone_device_register(char *, int, void *,
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struct thermal_zone_device_ops *);
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void thermal_zone_device_unregister(struct thermal_zone_device *);
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int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,
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struct thermal_cooling_device *);
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int thermal_zone_unbind_cooling_device(struct thermal_zone_device *, int,
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struct thermal_cooling_device *);
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struct thermal_cooling_device *thermal_cooling_device_register(char *, void *,
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struct thermal_cooling_device_ops *);
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void thermal_cooling_device_unregister(struct thermal_cooling_device *);
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#endif /* __THERMAL_H__ */
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