From 140d88165c25137e871f9559e67986ed89251105 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 18 Aug 2010 11:41:22 -0300 Subject: [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 Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- include/linux/Kbuild | 1 + include/linux/media.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+) create mode 100644 include/linux/media.h (limited to 'include') diff --git a/include/linux/Kbuild b/include/linux/Kbuild index b0ada6f37dd6..31eb174a2267 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -233,6 +233,7 @@ header-y += magic.h header-y += major.h header-y += map_to_7segment.h header-y += matroxfb.h +header-y += media.h header-y += mempolicy.h header-y += meye.h header-y += mii.h diff --git a/include/linux/media.h b/include/linux/media.h new file mode 100644 index 000000000000..64090db3c1fc --- /dev/null +++ b/include/linux/media.h @@ -0,0 +1,45 @@ +/* + * Multimedia device API + * + * Copyright (C) 2010 Nokia Corporation + * + * Contacts: Laurent Pinchart + * Sakari Ailus + * + * 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 +#include +#include + +#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 */ -- cgit v1.2.1