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Diffstat (limited to 'drivers/media/video/uvc/uvcvideo.h')
-rw-r--r--drivers/media/video/uvc/uvcvideo.h83
1 files changed, 37 insertions, 46 deletions
diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h
index d1f88406a5e7..d97cf6d6a4f9 100644
--- a/drivers/media/video/uvc/uvcvideo.h
+++ b/drivers/media/video/uvc/uvcvideo.h
@@ -40,6 +40,15 @@ struct uvc_xu_control_info {
__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];
@@ -50,6 +59,11 @@ struct uvc_xu_control_mapping {
__u8 offset;
enum v4l2_ctrl_type v4l2_type;
__u32 data_type;
+
+ struct uvc_menu_info __user *menu_info;
+ __u32 menu_count;
+
+ __u32 reserved[4];
};
struct uvc_xu_control {
@@ -60,6 +74,7 @@ struct uvc_xu_control {
};
#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)
@@ -142,7 +157,8 @@ struct uvc_xu_control {
* Driver specific constants.
*/
-#define DRIVER_VERSION_NUMBER KERNEL_VERSION(0, 1, 0)
+#define DRIVER_VERSION_NUMBER KERNEL_VERSION(1, 0, 0)
+#define DRIVER_VERSION "v1.0.0"
/* Number of isochronous URBs. */
#define UVC_URBS 5
@@ -156,6 +172,9 @@ struct uvc_xu_control {
#define UVC_CTRL_CONTROL_TIMEOUT 300
#define UVC_CTRL_STREAMING_TIMEOUT 5000
+/* Maximum allowed number of control mappings per device */
+#define UVC_MAX_CONTROL_MAPPINGS 1024
+
/* Devices quirks */
#define UVC_QUIRK_STATUS_INTERVAL 0x00000001
#define UVC_QUIRK_PROBE_MINMAX 0x00000002
@@ -165,6 +184,7 @@ struct uvc_xu_control {
#define UVC_QUIRK_IGNORE_SELECTOR_UNIT 0x00000020
#define UVC_QUIRK_FIX_BANDWIDTH 0x00000080
#define UVC_QUIRK_PROBE_DEF 0x00000100
+#define UVC_QUIRK_RESTRICT_FRAME_RATE 0x00000200
/* Format flags */
#define UVC_FMT_FLAG_COMPRESSED 0x00000001
@@ -179,36 +199,11 @@ struct uvc_device;
/* TODO: Put the most frequently accessed fields at the beginning of
* structures to maximize cache efficiency.
*/
-struct uvc_streaming_control {
- __u16 bmHint;
- __u8 bFormatIndex;
- __u8 bFrameIndex;
- __u32 dwFrameInterval;
- __u16 wKeyFrameRate;
- __u16 wPFrameRate;
- __u16 wCompQuality;
- __u16 wCompWindowSize;
- __u16 wDelay;
- __u32 dwMaxVideoFrameSize;
- __u32 dwMaxPayloadTransferSize;
- __u32 dwClockFrequency;
- __u8 bmFramingInfo;
- __u8 bPreferedVersion;
- __u8 bMinVersion;
- __u8 bMaxVersion;
-};
-
-struct uvc_menu_info {
- __u32 value;
- __u8 name[32];
-};
-
struct uvc_control_info {
- struct list_head list;
struct list_head mappings;
__u8 entity[16];
- __u8 index;
+ __u8 index; /* Bit index in bmControls */
__u8 selector;
__u16 size;
@@ -241,16 +236,17 @@ struct uvc_control_mapping {
struct uvc_control {
struct uvc_entity *entity;
- struct uvc_control_info *info;
+ struct uvc_control_info info;
__u8 index; /* Used to match the uvc_control entry with a
uvc_control_info. */
- __u8 dirty : 1,
- loaded : 1,
- modified : 1,
- cached : 1;
+ __u8 dirty:1,
+ loaded:1,
+ modified:1,
+ cached:1,
+ initialized:1;
- __u8 *data;
+ __u8 *uvc_data;
};
struct uvc_format_desc {
@@ -385,18 +381,18 @@ struct uvc_buffer {
struct list_head queue;
wait_queue_head_t wait;
enum uvc_buffer_state state;
+ unsigned int error;
};
#define UVC_QUEUE_STREAMING (1 << 0)
#define UVC_QUEUE_DISCONNECTED (1 << 1)
-#define UVC_QUEUE_DROP_INCOMPLETE (1 << 2)
+#define UVC_QUEUE_DROP_CORRUPTED (1 << 2)
struct uvc_video_queue {
enum v4l2_buf_type type;
void *mem;
unsigned int flags;
- __u32 sequence;
unsigned int count;
unsigned int buf_size;
@@ -417,7 +413,7 @@ struct uvc_video_chain {
struct uvc_entity *processing; /* Processing unit */
struct uvc_entity *selector; /* Selector unit */
- struct mutex ctrl_mutex;
+ struct mutex ctrl_mutex; /* Protects ctrl.info */
};
struct uvc_streaming {
@@ -462,6 +458,7 @@ struct uvc_streaming {
dma_addr_t urb_dma[UVC_URBS];
unsigned int urb_size;
+ __u32 sequence;
__u8 last_fid;
};
@@ -478,8 +475,8 @@ struct uvc_device {
char name[32];
enum uvc_device_state state;
- struct list_head list;
atomic_t users;
+ atomic_t nmappings;
/* Video control interface */
__u16 uvc_version;
@@ -513,11 +510,6 @@ struct uvc_fh {
struct uvc_driver {
struct usb_driver driver;
-
- struct list_head devices; /* struct uvc_device list */
- struct list_head controls; /* struct uvc_control_info list */
- struct mutex ctrl_mutex; /* protects controls and devices
- lists */
};
/* ------------------------------------------------------------------------
@@ -568,7 +560,7 @@ extern struct uvc_driver uvc_driver;
/* Video buffers queue management. */
extern void uvc_queue_init(struct uvc_video_queue *queue,
- enum v4l2_buf_type type);
+ enum v4l2_buf_type type, int drop_corrupted);
extern int uvc_alloc_buffers(struct uvc_video_queue *queue,
unsigned int nbuffers, unsigned int buflength);
extern int uvc_free_buffers(struct uvc_video_queue *queue);
@@ -619,12 +611,11 @@ extern struct uvc_control *uvc_find_control(struct uvc_video_chain *chain,
extern int uvc_query_v4l2_ctrl(struct uvc_video_chain *chain,
struct v4l2_queryctrl *v4l2_ctrl);
-extern int uvc_ctrl_add_info(struct uvc_control_info *info);
-extern int uvc_ctrl_add_mapping(struct uvc_control_mapping *mapping);
+extern int uvc_ctrl_add_mapping(struct uvc_video_chain *chain,
+ const struct uvc_control_mapping *mapping);
extern int uvc_ctrl_init_device(struct uvc_device *dev);
extern void uvc_ctrl_cleanup_device(struct uvc_device *dev);
extern int uvc_ctrl_resume_device(struct uvc_device *dev);
-extern void uvc_ctrl_init(void);
extern int uvc_ctrl_begin(struct uvc_video_chain *chain);
extern int __uvc_ctrl_commit(struct uvc_video_chain *chain, int rollback);