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/*
* Copyright (C) 2006 James Simmons <jsimmons@infradead.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 2 of the License, or (at
* your option) any later version.
*
* 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 _LINUX_DISPLAY_H
#define _LINUX_DISPLAY_H
#include <linux/device.h>
struct display_device;
/* This structure defines all the properties of a Display. */
struct display_driver {
int (*set_contrast)(struct display_device *, unsigned int);
int (*get_contrast)(struct display_device *);
void (*suspend)(struct display_device *, pm_message_t state);
void (*resume)(struct display_device *);
int (*probe)(struct display_device *, void *);
int (*remove)(struct display_device *);
int max_contrast;
};
struct display_device {
struct module *owner; /* Owner module */
struct display_driver *driver;
struct device *parent; /* This is the parent */
struct device *dev; /* This is this display device */
struct mutex lock;
void *priv_data;
char type[16];
char *name;
int idx;
};
extern struct display_device *display_device_register(struct display_driver *driver,
struct device *dev, void *devdata);
extern void display_device_unregister(struct display_device *dev);
extern int probe_edid(struct display_device *dev, void *devdata);
#define to_display_device(obj) container_of(obj, struct display_device, class_dev)
#endif
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