2 * Copyright (C) 2006 James Simmons <jsimmons@infradead.org>
4 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or (at
9 * your option) any later version.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
20 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
23 #ifndef _LINUX_DISPLAY_H
24 #define _LINUX_DISPLAY_H
26 #include <linux/device.h>
28 struct display_device
;
30 /* This structure defines all the properties of a Display. */
31 struct display_driver
{
32 int (*set_contrast
)(struct display_device
*, unsigned int);
33 int (*get_contrast
)(struct display_device
*);
34 void (*suspend
)(struct display_device
*, pm_message_t state
);
35 void (*resume
)(struct display_device
*);
36 int (*probe
)(struct display_device
*, void *);
37 int (*remove
)(struct display_device
*);
41 struct display_device
{
42 struct module
*owner
; /* Owner module */
43 struct display_driver
*driver
;
44 struct device
*parent
; /* This is the parent */
45 struct device
*dev
; /* This is this display device */
53 extern struct display_device
*display_device_register(struct display_driver
*driver
,
54 struct device
*dev
, void *devdata
);
55 extern void display_device_unregister(struct display_device
*dev
);
57 extern int probe_edid(struct display_device
*dev
, void *devdata
);
59 #define to_display_device(obj) container_of(obj, struct display_device, class_dev)
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