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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2010-11-21 20:15:44 (GMT)
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-05-05 13:37:13 (GMT)
commitc3208134685bb4274423a3f75ac9d9c4bf2d65a7 (patch)
tree6f4bcd7adc4f6021edb867c3986bf29ae5e54f3c
parenteba6dfaa97f1424646ee09347f2cc4575ada0bc0 (diff)
[media] uvcvideo: Make the API public
Move the public API definitions to include/linux/uvcvideo.h and bump the version number to 1.1.0. Compatibility with the old API is kept, application can still be compiled against the private header and will not break. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--Documentation/ioctl/ioctl-number.txt2
-rw-r--r--drivers/media/video/uvc/uvc_v4l2.c13
-rw-r--r--drivers/media/video/uvc/uvcvideo.h68
-rw-r--r--include/linux/Kbuild1
-rw-r--r--include/linux/uvcvideo.h69
5 files changed, 108 insertions, 45 deletions
diff --git a/Documentation/ioctl/ioctl-number.txt b/Documentation/ioctl/ioctl-number.txt
index a0a5d82..2d1ad12 100644
--- a/Documentation/ioctl/ioctl-number.txt
+++ b/Documentation/ioctl/ioctl-number.txt
@@ -166,7 +166,6 @@ Code Seq#(hex) Include File Comments
'T' all arch/x86/include/asm/ioctls.h conflict!
'T' C0-DF linux/if_tun.h conflict!
'U' all sound/asound.h conflict!
-'U' 00-0F drivers/media/video/uvc/uvcvideo.h conflict!
'U' 00-CF linux/uinput.h conflict!
'U' 00-EF linux/usbdevice_fs.h
'U' C0-CF drivers/bluetooth/hci_uart.h
@@ -259,6 +258,7 @@ Code Seq#(hex) Include File Comments
't' 80-8F linux/isdn_ppp.h
't' 90 linux/toshiba.h
'u' 00-1F linux/smb_fs.h gone
+'u' 20-3F linux/uvcvideo.h USB video class host driver
'v' 00-1F linux/ext2_fs.h conflict!
'v' 00-1F linux/fs.h conflict!
'v' 00-0F linux/sonypi.h conflict!
diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c
index 2e2a556..6e8aad4 100644
--- a/drivers/media/video/uvc/uvc_v4l2.c
+++ b/drivers/media/video/uvc/uvc_v4l2.c
@@ -1036,24 +1036,25 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
* UVCIOC_CTRL_GET and UVCIOC_CTRL_SET are deprecated and scheduled for
* removal in 2.6.42.
*/
- case UVCIOC_CTRL_ADD:
+ case __UVCIOC_CTRL_ADD:
uvc_v4l2_ioctl_warn();
return -EEXIST;
- case UVCIOC_CTRL_MAP_OLD:
+ case __UVCIOC_CTRL_MAP_OLD:
uvc_v4l2_ioctl_warn();
+ case __UVCIOC_CTRL_MAP:
case UVCIOC_CTRL_MAP:
return uvc_ioctl_ctrl_map(chain, arg,
- cmd == UVCIOC_CTRL_MAP_OLD);
+ cmd == __UVCIOC_CTRL_MAP_OLD);
- case UVCIOC_CTRL_GET:
- case UVCIOC_CTRL_SET:
+ case __UVCIOC_CTRL_GET:
+ case __UVCIOC_CTRL_SET:
{
struct uvc_xu_control *xctrl = arg;
struct uvc_xu_control_query xqry = {
.unit = xctrl->unit,
.selector = xctrl->selector,
- .query = cmd == UVCIOC_CTRL_GET
+ .query = cmd == __UVCIOC_CTRL_GET
? UVC_GET_CUR : UVC_SET_CUR,
.size = xctrl->size,
.data = xctrl->data,
diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h
index cd58ea8..38dd4e1 100644
--- a/drivers/media/video/uvc/uvcvideo.h
+++ b/drivers/media/video/uvc/uvcvideo.h
@@ -4,6 +4,14 @@
#include <linux/kernel.h>
#include <linux/videodev2.h>
+#ifndef __KERNEL__
+/*
+ * This header provides binary compatibility with applications using the private
+ * uvcvideo API. This API is deprecated and will be removed in 2.6.42.
+ * Applications should be recompiled against the public linux/uvcvideo.h header.
+ */
+#warn "The uvcvideo.h header is deprecated, use linux/uvcvideo.h instead."
+
/*
* Dynamic controls
*/
@@ -17,23 +25,6 @@
#define UVC_CTRL_DATA_TYPE_BITMASK 5
/* Control flags */
-#define UVC_CTRL_FLAG_SET_CUR (1 << 0)
-#define UVC_CTRL_FLAG_GET_CUR (1 << 1)
-#define UVC_CTRL_FLAG_GET_MIN (1 << 2)
-#define UVC_CTRL_FLAG_GET_MAX (1 << 3)
-#define UVC_CTRL_FLAG_GET_RES (1 << 4)
-#define UVC_CTRL_FLAG_GET_DEF (1 << 5)
-/* Control should be saved at suspend and restored at resume. */
-#define UVC_CTRL_FLAG_RESTORE (1 << 6)
-/* Control can be updated by the camera. */
-#define UVC_CTRL_FLAG_AUTO_UPDATE (1 << 7)
-
-#define UVC_CTRL_FLAG_GET_RANGE \
- (UVC_CTRL_FLAG_GET_CUR | UVC_CTRL_FLAG_GET_MIN | \
- UVC_CTRL_FLAG_GET_MAX | UVC_CTRL_FLAG_GET_RES | \
- UVC_CTRL_FLAG_GET_DEF)
-
-/* Old control flags, don't use */
#define UVC_CONTROL_SET_CUR (1 << 0)
#define UVC_CONTROL_GET_CUR (1 << 1)
#define UVC_CONTROL_GET_MIN (1 << 2)
@@ -47,23 +38,11 @@
UVC_CONTROL_GET_MAX | UVC_CONTROL_GET_RES | \
UVC_CONTROL_GET_DEF)
-struct uvc_xu_control_info {
- __u8 entity[16];
- __u8 index;
- __u8 selector;
- __u16 size;
- __u32 flags;
-};
-
struct uvc_menu_info {
__u32 value;
__u8 name[32];
};
-struct uvc_xu_control_mapping_old {
- __u8 reserved[64];
-};
-
struct uvc_xu_control_mapping {
__u32 id;
__u8 name[32];
@@ -81,32 +60,46 @@ struct uvc_xu_control_mapping {
__u32 reserved[4];
};
-struct uvc_xu_control {
- __u8 unit;
+#endif
+
+struct uvc_xu_control_info {
+ __u8 entity[16];
+ __u8 index;
__u8 selector;
__u16 size;
- __u8 __user *data;
+ __u32 flags;
};
-struct uvc_xu_control_query {
+struct uvc_xu_control_mapping_old {
+ __u8 reserved[64];
+};
+
+struct uvc_xu_control {
__u8 unit;
__u8 selector;
- __u8 query;
__u16 size;
__u8 __user *data;
};
+#ifndef __KERNEL__
#define UVCIOC_CTRL_ADD _IOW('U', 1, struct uvc_xu_control_info)
#define UVCIOC_CTRL_MAP_OLD _IOWR('U', 2, struct uvc_xu_control_mapping_old)
#define UVCIOC_CTRL_MAP _IOWR('U', 2, struct uvc_xu_control_mapping)
#define UVCIOC_CTRL_GET _IOWR('U', 3, struct uvc_xu_control)
#define UVCIOC_CTRL_SET _IOW('U', 4, struct uvc_xu_control)
-#define UVCIOC_CTRL_QUERY _IOWR('U', 5, struct uvc_xu_control_query)
+#else
+#define __UVCIOC_CTRL_ADD _IOW('U', 1, struct uvc_xu_control_info)
+#define __UVCIOC_CTRL_MAP_OLD _IOWR('U', 2, struct uvc_xu_control_mapping_old)
+#define __UVCIOC_CTRL_MAP _IOWR('U', 2, struct uvc_xu_control_mapping)
+#define __UVCIOC_CTRL_GET _IOWR('U', 3, struct uvc_xu_control)
+#define __UVCIOC_CTRL_SET _IOW('U', 4, struct uvc_xu_control)
+#endif
#ifdef __KERNEL__
#include <linux/poll.h>
#include <linux/usb/video.h>
+#include <linux/uvcvideo.h>
/* --------------------------------------------------------------------------
* UVC constants
@@ -184,8 +177,8 @@ struct uvc_xu_control_query {
* Driver specific constants.
*/
-#define DRIVER_VERSION_NUMBER KERNEL_VERSION(1, 0, 0)
-#define DRIVER_VERSION "v1.0.0"
+#define DRIVER_VERSION_NUMBER KERNEL_VERSION(1, 1, 0)
+#define DRIVER_VERSION "v1.1.0"
/* Number of isochronous URBs. */
#define UVC_URBS 5
@@ -682,4 +675,3 @@ void uvc_video_decode_isight(struct urb *urb, struct uvc_streaming *stream,
#endif /* __KERNEL__ */
#endif
-
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 75cf611..cb1ded2 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -372,6 +372,7 @@ header-y += unistd.h
header-y += usbdevice_fs.h
header-y += utime.h
header-y += utsname.h
+header-y += uvcvideo.h
header-y += v4l2-mediabus.h
header-y += v4l2-subdev.h
header-y += veth.h
diff --git a/include/linux/uvcvideo.h b/include/linux/uvcvideo.h
new file mode 100644
index 0000000..f46a53f
--- /dev/null
+++ b/include/linux/uvcvideo.h
@@ -0,0 +1,69 @@
+#ifndef __LINUX_UVCVIDEO_H_
+#define __LINUX_UVCVIDEO_H_
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+/*
+ * Dynamic controls
+ */
+
+/* Data types for UVC control data */
+#define UVC_CTRL_DATA_TYPE_RAW 0
+#define UVC_CTRL_DATA_TYPE_SIGNED 1
+#define UVC_CTRL_DATA_TYPE_UNSIGNED 2
+#define UVC_CTRL_DATA_TYPE_BOOLEAN 3
+#define UVC_CTRL_DATA_TYPE_ENUM 4
+#define UVC_CTRL_DATA_TYPE_BITMASK 5
+
+/* Control flags */
+#define UVC_CTRL_FLAG_SET_CUR (1 << 0)
+#define UVC_CTRL_FLAG_GET_CUR (1 << 1)
+#define UVC_CTRL_FLAG_GET_MIN (1 << 2)
+#define UVC_CTRL_FLAG_GET_MAX (1 << 3)
+#define UVC_CTRL_FLAG_GET_RES (1 << 4)
+#define UVC_CTRL_FLAG_GET_DEF (1 << 5)
+/* Control should be saved at suspend and restored at resume. */
+#define UVC_CTRL_FLAG_RESTORE (1 << 6)
+/* Control can be updated by the camera. */
+#define UVC_CTRL_FLAG_AUTO_UPDATE (1 << 7)
+
+#define UVC_CTRL_FLAG_GET_RANGE \
+ (UVC_CTRL_FLAG_GET_CUR | UVC_CTRL_FLAG_GET_MIN | \
+ UVC_CTRL_FLAG_GET_MAX | UVC_CTRL_FLAG_GET_RES | \
+ UVC_CTRL_FLAG_GET_DEF)
+
+struct uvc_menu_info {
+ __u32 value;
+ __u8 name[32];
+};
+
+struct uvc_xu_control_mapping {
+ __u32 id;
+ __u8 name[32];
+ __u8 entity[16];
+ __u8 selector;
+
+ __u8 size;
+ __u8 offset;
+ __u32 v4l2_type;
+ __u32 data_type;
+
+ struct uvc_menu_info __user *menu_info;
+ __u32 menu_count;
+
+ __u32 reserved[4];
+};
+
+struct uvc_xu_control_query {
+ __u8 unit;
+ __u8 selector;
+ __u8 query;
+ __u16 size;
+ __u8 __user *data;
+};
+
+#define UVCIOC_CTRL_MAP _IOWR('u', 0x20, struct uvc_xu_control_mapping)
+#define UVCIOC_CTRL_QUERY _IOWR('u', 0x21, struct uvc_xu_control_query)
+
+#endif

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