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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2010-08-18 11:41:22 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-03-22 04:53:13 -0300 |
| commit | 140d88165c25137e871f9559e67986ed89251105 (patch) | |
| tree | c02891d72b0b85c03d4f493da4c5f37923c836c6 /include/linux/media.h | |
| parent | 503c3d829eaf48837dd5bff5d97ad66369bb955a (diff) | |
| download | linux-3.10-140d88165c25137e871f9559e67986ed89251105.tar.gz linux-3.10-140d88165c25137e871f9559e67986ed89251105.tar.bz2 linux-3.10-140d88165c25137e871f9559e67986ed89251105.zip | |
[media] media: Media device information query
Create the following ioctl and implement it at the media device level to
query device information.
- MEDIA_IOC_DEVICE_INFO: Query media device information
The ioctl and its data structure are defined in the new kernel header
linux/media.h available to userspace applications.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/linux/media.h')
| -rw-r--r-- | include/linux/media.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/linux/media.h b/include/linux/media.h new file mode 100644 index 00000000000..64090db3c1f --- /dev/null +++ b/include/linux/media.h @@ -0,0 +1,45 @@ +/* + * Multimedia device API + * + * Copyright (C) 2010 Nokia Corporation + * + * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> + * Sakari Ailus <sakari.ailus@iki.fi> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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_MEDIA_H +#define __LINUX_MEDIA_H + +#include <linux/ioctl.h> +#include <linux/types.h> +#include <linux/version.h> + +#define MEDIA_API_VERSION KERNEL_VERSION(0, 1, 0) + +struct media_device_info { + char driver[16]; + char model[32]; + char serial[40]; + char bus_info[32]; + __u32 media_version; + __u32 hw_revision; + __u32 driver_version; + __u32 reserved[31]; +}; + +#define MEDIA_IOC_DEVICE_INFO _IOWR('M', 1, struct media_device_info) + +#endif /* __LINUX_MEDIA_H */ |