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authorYu Luming <luming.yu@gmail.com>2006-12-19 15:56:17 -0500
committerLen Brown <len.brown@intel.com>2006-12-20 01:46:41 -0500
commit2dec3ba8d872aa3ffbcdb8f6f8a2c0bcd44e9910 (patch)
tree6b732a1badfed8d1a9cf724ffca14d1c36ff678a /include/linux/video_output.h
parentf238085415c56618e042252894f2fcc971add645 (diff)
output: Add display output class support
Add generic abstract layer for display output switch control. The output sysfs class driver provides an abstract video output layer that can be used to hook platform specific methods to enable/disable video output device through common sysfs interface. Signed-off-by: Luming Yu <Luming.yu@intel.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/linux/video_output.h')
-rw-r--r--include/linux/video_output.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/include/linux/video_output.h b/include/linux/video_output.h
new file mode 100644
index 000000000000..e63e0c03ee0d
--- /dev/null
+++ b/include/linux/video_output.h
@@ -0,0 +1,42 @@
1/*
2 *
3 * Copyright (C) 2006 Luming Yu <luming.yu@intel.com>
4 *
5 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or (at
10 * your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
20 *
21 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
22 */
23#ifndef _LINUX_VIDEO_OUTPUT_H
24#define _LINUX_VIDEO_OUTPUT_H
25#include <linux/device.h>
26struct output_device;
27struct output_properties {
28 int (*set_state)(struct output_device *);
29 int (*get_status)(struct output_device *);
30};
31struct output_device {
32 int request_state;
33 struct output_properties *props;
34 struct class_device class_dev;
35};
36#define to_output_device(obj) container_of(obj, struct output_device, class_dev)
37struct output_device *video_output_register(const char *name,
38 struct device *dev,
39 void *devdata,
40 struct output_properties *op);
41void video_output_unregister(struct output_device *dev);
42#endif