#ifdef __KERNEL__
#include <linux/poll.h>
+#include <linux/usb/video.h>
/* --------------------------------------------------------------------------
* UVC constants
*/
-#define UVC_SC_UNDEFINED 0x00
-#define UVC_SC_VIDEOCONTROL 0x01
-#define UVC_SC_VIDEOSTREAMING 0x02
-#define UVC_SC_VIDEO_INTERFACE_COLLECTION 0x03
-
-#define UVC_PC_PROTOCOL_UNDEFINED 0x00
-
-/* VideoControl class specific interface descriptor */
-#define UVC_VC_DESCRIPTOR_UNDEFINED 0x00
-#define UVC_VC_HEADER 0x01
-#define UVC_VC_INPUT_TERMINAL 0x02
-#define UVC_VC_OUTPUT_TERMINAL 0x03
-#define UVC_VC_SELECTOR_UNIT 0x04
-#define UVC_VC_PROCESSING_UNIT 0x05
-#define UVC_VC_EXTENSION_UNIT 0x06
-
-/* VideoStreaming class specific interface descriptor */
-#define UVC_VS_UNDEFINED 0x00
-#define UVC_VS_INPUT_HEADER 0x01
-#define UVC_VS_OUTPUT_HEADER 0x02
-#define UVC_VS_STILL_IMAGE_FRAME 0x03
-#define UVC_VS_FORMAT_UNCOMPRESSED 0x04
-#define UVC_VS_FRAME_UNCOMPRESSED 0x05
-#define UVC_VS_FORMAT_MJPEG 0x06
-#define UVC_VS_FRAME_MJPEG 0x07
-#define UVC_VS_FORMAT_MPEG2TS 0x0a
-#define UVC_VS_FORMAT_DV 0x0c
-#define UVC_VS_COLORFORMAT 0x0d
-#define UVC_VS_FORMAT_FRAME_BASED 0x10
-#define UVC_VS_FRAME_FRAME_BASED 0x11
-#define UVC_VS_FORMAT_STREAM_BASED 0x12
-
-/* Endpoint type */
-#define UVC_EP_UNDEFINED 0x00
-#define UVC_EP_GENERAL 0x01
-#define UVC_EP_ENDPOINT 0x02
-#define UVC_EP_INTERRUPT 0x03
-
-/* Request codes */
-#define UVC_RC_UNDEFINED 0x00
-#define UVC_SET_CUR 0x01
-#define UVC_GET_CUR 0x81
-#define UVC_GET_MIN 0x82
-#define UVC_GET_MAX 0x83
-#define UVC_GET_RES 0x84
-#define UVC_GET_LEN 0x85
-#define UVC_GET_INFO 0x86
-#define UVC_GET_DEF 0x87
-
-/* VideoControl interface controls */
-#define UVC_VC_CONTROL_UNDEFINED 0x00
-#define UVC_VC_VIDEO_POWER_MODE_CONTROL 0x01
-#define UVC_VC_REQUEST_ERROR_CODE_CONTROL 0x02
-
-/* Terminal controls */
-#define UVC_TE_CONTROL_UNDEFINED 0x00
-
-/* Selector Unit controls */
-#define UVC_SU_CONTROL_UNDEFINED 0x00
-#define UVC_SU_INPUT_SELECT_CONTROL 0x01
-
-/* Camera Terminal controls */
-#define UVC_CT_CONTROL_UNDEFINED 0x00
-#define UVC_CT_SCANNING_MODE_CONTROL 0x01
-#define UVC_CT_AE_MODE_CONTROL 0x02
-#define UVC_CT_AE_PRIORITY_CONTROL 0x03
-#define UVC_CT_EXPOSURE_TIME_ABSOLUTE_CONTROL 0x04
-#define UVC_CT_EXPOSURE_TIME_RELATIVE_CONTROL 0x05
-#define UVC_CT_FOCUS_ABSOLUTE_CONTROL 0x06
-#define UVC_CT_FOCUS_RELATIVE_CONTROL 0x07
-#define UVC_CT_FOCUS_AUTO_CONTROL 0x08
-#define UVC_CT_IRIS_ABSOLUTE_CONTROL 0x09
-#define UVC_CT_IRIS_RELATIVE_CONTROL 0x0a
-#define UVC_CT_ZOOM_ABSOLUTE_CONTROL 0x0b
-#define UVC_CT_ZOOM_RELATIVE_CONTROL 0x0c
-#define UVC_CT_PANTILT_ABSOLUTE_CONTROL 0x0d
-#define UVC_CT_PANTILT_RELATIVE_CONTROL 0x0e
-#define UVC_CT_ROLL_ABSOLUTE_CONTROL 0x0f
-#define UVC_CT_ROLL_RELATIVE_CONTROL 0x10
-#define UVC_CT_PRIVACY_CONTROL 0x11
-
-/* Processing Unit controls */
-#define UVC_PU_CONTROL_UNDEFINED 0x00
-#define UVC_PU_BACKLIGHT_COMPENSATION_CONTROL 0x01
-#define UVC_PU_BRIGHTNESS_CONTROL 0x02
-#define UVC_PU_CONTRAST_CONTROL 0x03
-#define UVC_PU_GAIN_CONTROL 0x04
-#define UVC_PU_POWER_LINE_FREQUENCY_CONTROL 0x05
-#define UVC_PU_HUE_CONTROL 0x06
-#define UVC_PU_SATURATION_CONTROL 0x07
-#define UVC_PU_SHARPNESS_CONTROL 0x08
-#define UVC_PU_GAMMA_CONTROL 0x09
-#define UVC_PU_WHITE_BALANCE_TEMPERATURE_CONTROL 0x0a
-#define UVC_PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL 0x0b
-#define UVC_PU_WHITE_BALANCE_COMPONENT_CONTROL 0x0c
-#define UVC_PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL 0x0d
-#define UVC_PU_DIGITAL_MULTIPLIER_CONTROL 0x0e
-#define UVC_PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL 0x0f
-#define UVC_PU_HUE_AUTO_CONTROL 0x10
-#define UVC_PU_ANALOG_VIDEO_STANDARD_CONTROL 0x11
-#define UVC_PU_ANALOG_LOCK_STATUS_CONTROL 0x12
-
-#define UVC_LXU_MOTOR_PANTILT_RELATIVE_CONTROL 0x01
-#define UVC_LXU_MOTOR_PANTILT_RESET_CONTROL 0x02
-#define UVC_LXU_MOTOR_FOCUS_MOTOR_CONTROL 0x03
-
-/* VideoStreaming interface controls */
-#define UVC_VS_CONTROL_UNDEFINED 0x00
-#define UVC_VS_PROBE_CONTROL 0x01
-#define UVC_VS_COMMIT_CONTROL 0x02
-#define UVC_VS_STILL_PROBE_CONTROL 0x03
-#define UVC_VS_STILL_COMMIT_CONTROL 0x04
-#define UVC_VS_STILL_IMAGE_TRIGGER_CONTROL 0x05
-#define UVC_VS_STREAM_ERROR_CODE_CONTROL 0x06
-#define UVC_VS_GENERATE_KEY_FRAME_CONTROL 0x07
-#define UVC_VS_UPDATE_FRAME_SEGMENT_CONTROL 0x08
-#define UVC_VS_SYNC_DELAY_CONTROL 0x09
-
-#define UVC_TT_VENDOR_SPECIFIC 0x0100
-#define UVC_TT_STREAMING 0x0101
-
-/* Input Terminal types */
-#define UVC_ITT_VENDOR_SPECIFIC 0x0200
-#define UVC_ITT_CAMERA 0x0201
-#define UVC_ITT_MEDIA_TRANSPORT_INPUT 0x0202
-
-/* Output Terminal types */
-#define UVC_OTT_VENDOR_SPECIFIC 0x0300
-#define UVC_OTT_DISPLAY 0x0301
-#define UVC_OTT_MEDIA_TRANSPORT_OUTPUT 0x0302
-
-/* External Terminal types */
-#define UVC_EXTERNAL_VENDOR_SPECIFIC 0x0400
-#define UVC_COMPOSITE_CONNECTOR 0x0401
-#define UVC_SVIDEO_CONNECTOR 0x0402
-#define UVC_COMPONENT_CONNECTOR 0x0403
-
#define UVC_TERM_INPUT 0x0000
#define UVC_TERM_OUTPUT 0x8000
+#define UVC_TERM_DIRECTION(term) ((term)->type & 0x8000)
#define UVC_ENTITY_TYPE(entity) ((entity)->type & 0x7fff)
#define UVC_ENTITY_IS_UNIT(entity) (((entity)->type & 0xff00) == 0)
#define UVC_ENTITY_IS_TERM(entity) (((entity)->type & 0xff00) != 0)
#define UVC_ENTITY_IS_ITERM(entity) \
- (((entity)->type & 0x8000) == UVC_TERM_INPUT)
+ (UVC_ENTITY_IS_TERM(entity) && \
+ ((entity)->type & 0x8000) == UVC_TERM_INPUT)
#define UVC_ENTITY_IS_OTERM(entity) \
- (((entity)->type & 0x8000) == UVC_TERM_OUTPUT)
+ (UVC_ENTITY_IS_TERM(entity) && \
+ ((entity)->type & 0x8000) == UVC_TERM_OUTPUT)
-#define UVC_STATUS_TYPE_CONTROL 1
-#define UVC_STATUS_TYPE_STREAMING 2
/* ------------------------------------------------------------------------
* GUIDs
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02}
-#define UVC_GUID_LOGITECH_DEV_INFO \
- {0x82, 0x06, 0x61, 0x63, 0x70, 0x50, 0xab, 0x49, \
- 0xb8, 0xcc, 0xb3, 0x85, 0x5e, 0x8d, 0x22, 0x1e}
-#define UVC_GUID_LOGITECH_USER_HW \
- {0x82, 0x06, 0x61, 0x63, 0x70, 0x50, 0xab, 0x49, \
- 0xb8, 0xcc, 0xb3, 0x85, 0x5e, 0x8d, 0x22, 0x1f}
-#define UVC_GUID_LOGITECH_VIDEO \
- {0x82, 0x06, 0x61, 0x63, 0x70, 0x50, 0xab, 0x49, \
- 0xb8, 0xcc, 0xb3, 0x85, 0x5e, 0x8d, 0x22, 0x50}
-#define UVC_GUID_LOGITECH_MOTOR \
- {0x82, 0x06, 0x61, 0x63, 0x70, 0x50, 0xab, 0x49, \
- 0xb8, 0xcc, 0xb3, 0x85, 0x5e, 0x8d, 0x22, 0x56}
-
#define UVC_GUID_FORMAT_MJPEG \
{ 'M', 'J', 'P', 'G', 0x00, 0x00, 0x10, 0x00, \
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
#define UVC_GUID_FORMAT_YUY2 \
{ 'Y', 'U', 'Y', '2', 0x00, 0x00, 0x10, 0x00, \
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_YUY2_ISIGHT \
+ { 'Y', 'U', 'Y', '2', 0x00, 0x00, 0x10, 0x00, \
+ 0x80, 0x00, 0x00, 0x00, 0x00, 0x38, 0x9b, 0x71}
#define UVC_GUID_FORMAT_NV12 \
{ 'N', 'V', '1', '2', 0x00, 0x00, 0x10, 0x00, \
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
#define UVC_GUID_FORMAT_Y800 \
{ 'Y', '8', '0', '0', 0x00, 0x00, 0x10, 0x00, \
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_Y16 \
+ { 'Y', '1', '6', ' ', 0x00, 0x00, 0x10, 0x00, \
+ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
#define UVC_GUID_FORMAT_BY8 \
{ 'B', 'Y', '8', ' ', 0x00, 0x00, 0x10, 0x00, \
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-
/* ------------------------------------------------------------------------
* Driver specific constants.
*/
#define UVC_MAX_STATUS_SIZE 16
#define UVC_CTRL_CONTROL_TIMEOUT 300
-#define UVC_CTRL_STREAMING_TIMEOUT 1000
+#define UVC_CTRL_STREAMING_TIMEOUT 5000
/* Devices quirks */
#define UVC_QUIRK_STATUS_INTERVAL 0x00000001
#define UVC_QUIRK_STREAM_NO_FID 0x00000010
#define UVC_QUIRK_IGNORE_SELECTOR_UNIT 0x00000020
#define UVC_QUIRK_FIX_BANDWIDTH 0x00000080
+#define UVC_QUIRK_PROBE_DEF 0x00000100
/* Format flags */
#define UVC_FMT_FLAG_COMPRESSED 0x00000001
uvc_control_info. */
__u8 dirty : 1,
loaded : 1,
- modified : 1;
+ modified : 1,
+ cached : 1;
__u8 *data;
};
} media;
struct {
- __u8 bSourceID;
} output;
struct {
- __u8 bSourceID;
__u16 wMaxMultiplier;
__u8 bControlSize;
__u8 *bmControls;
} processing;
struct {
- __u8 bNrInPins;
- __u8 *baSourceID;
} selector;
struct {
__u8 guidExtensionCode[16];
__u8 bNumControls;
- __u8 bNrInPins;
- __u8 *baSourceID;
__u8 bControlSize;
__u8 *bmControls;
__u8 *bmControlsType;
} extension;
};
+ __u8 bNrInPins;
+ __u8 *baSourceID;
+
unsigned int ncontrols;
struct uvc_control *controls;
};
__u8 bTriggerUsage;
};
-struct uvc_streaming {
- struct list_head list;
-
- struct usb_interface *intf;
- int intfnum;
- __u16 maxpsize;
-
- struct uvc_streaming_header header;
- enum v4l2_buf_type type;
-
- unsigned int nformats;
- struct uvc_format *format;
-
- struct uvc_streaming_control ctrl;
- struct uvc_format *cur_format;
- struct uvc_frame *cur_frame;
-
- struct mutex mutex;
-};
-
enum uvc_buffer_state {
UVC_BUF_STATE_IDLE = 0,
UVC_BUF_STATE_QUEUED = 1,
UVC_BUF_STATE_ACTIVE = 2,
- UVC_BUF_STATE_DONE = 3,
- UVC_BUF_STATE_ERROR = 4,
+ UVC_BUF_STATE_READY = 3,
+ UVC_BUF_STATE_DONE = 4,
+ UVC_BUF_STATE_ERROR = 5,
};
struct uvc_buffer {
struct list_head irqqueue;
};
-struct uvc_video_device {
+struct uvc_video_chain {
+ struct uvc_device *dev;
+ struct list_head list;
+
+ struct list_head entities; /* All entities */
+ struct uvc_entity *processing; /* Processing unit */
+ struct uvc_entity *selector; /* Selector unit */
+
+ struct mutex ctrl_mutex;
+};
+
+struct uvc_streaming {
+ struct list_head list;
struct uvc_device *dev;
struct video_device *vdev;
+ struct uvc_video_chain *chain;
atomic_t active;
- unsigned int frozen : 1;
- struct list_head iterms; /* Input terminals */
- struct uvc_entity *oterm; /* Output terminal */
- struct uvc_entity *sterm; /* USB streaming terminal */
- struct uvc_entity *processing;
- struct uvc_entity *selector;
- struct list_head extensions;
- struct mutex ctrl_mutex;
+ struct usb_interface *intf;
+ int intfnum;
+ __u16 maxpsize;
- struct uvc_video_queue queue;
+ struct uvc_streaming_header header;
+ enum v4l2_buf_type type;
- /* Video streaming object, must always be non-NULL. */
- struct uvc_streaming *streaming;
+ unsigned int nformats;
+ struct uvc_format *format;
+
+ struct uvc_streaming_control ctrl;
+ struct uvc_format *cur_format;
+ struct uvc_frame *cur_frame;
+
+ struct mutex mutex;
- void (*decode) (struct urb *urb, struct uvc_video_device *video,
+ unsigned int frozen : 1;
+ struct uvc_video_queue queue;
+ void (*decode) (struct urb *urb, struct uvc_streaming *video,
struct uvc_buffer *buf);
/* Context data used by the bulk completion handler. */
char name[32];
enum uvc_device_state state;
- struct kref kref;
struct list_head list;
atomic_t users;
__u32 clock_frequency;
struct list_head entities;
+ struct list_head chains;
- struct uvc_video_device video;
+ /* Video Streaming interfaces */
+ struct list_head streams;
+ atomic_t nstreams;
/* Status Interrupt Endpoint */
struct usb_host_endpoint *int_ep;
__u8 *status;
struct input_dev *input;
char input_phys[64];
-
- /* Video Streaming interfaces */
- struct list_head streaming;
};
enum uvc_handle_state {
};
struct uvc_fh {
- struct uvc_video_device *device;
+ struct uvc_video_chain *chain;
+ struct uvc_streaming *stream;
enum uvc_handle_state state;
};
struct uvc_driver {
struct usb_driver driver;
- struct mutex open_mutex; /* protects from open/disconnect race */
-
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
#define UVC_TRACE_FRAME (1 << 7)
#define UVC_TRACE_SUSPEND (1 << 8)
#define UVC_TRACE_STATUS (1 << 9)
+#define UVC_TRACE_VIDEO (1 << 10)
#define UVC_WARN_MINMAX 0
#define UVC_WARN_PROBE_DEF 1
+extern unsigned int uvc_clock_param;
extern unsigned int uvc_no_drop_param;
extern unsigned int uvc_trace_param;
+extern unsigned int uvc_timeout_param;
#define uvc_trace(flag, msg...) \
do { \
#define uvc_printk(level, msg...) \
printk(level "uvcvideo: " msg)
-#define UVC_GUID_FORMAT "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-" \
- "%02x%02x%02x%02x%02x%02x"
-#define UVC_GUID_ARGS(guid) \
- (guid)[3], (guid)[2], (guid)[1], (guid)[0], \
- (guid)[5], (guid)[4], \
- (guid)[7], (guid)[6], \
- (guid)[8], (guid)[9], \
- (guid)[10], (guid)[11], (guid)[12], \
- (guid)[13], (guid)[14], (guid)[15]
-
/* --------------------------------------------------------------------------
* Internal functions.
*/
/* Core driver */
extern struct uvc_driver uvc_driver;
-extern void uvc_delete(struct kref *kref);
/* Video buffers queue management. */
extern void uvc_queue_init(struct uvc_video_queue *queue,
extern const struct v4l2_file_operations uvc_fops;
/* Video */
-extern int uvc_video_init(struct uvc_video_device *video);
-extern int uvc_video_suspend(struct uvc_video_device *video);
-extern int uvc_video_resume(struct uvc_video_device *video);
-extern int uvc_video_enable(struct uvc_video_device *video, int enable);
-extern int uvc_probe_video(struct uvc_video_device *video,
+extern int uvc_video_init(struct uvc_streaming *stream);
+extern int uvc_video_suspend(struct uvc_streaming *stream);
+extern int uvc_video_resume(struct uvc_streaming *stream);
+extern int uvc_video_enable(struct uvc_streaming *stream, int enable);
+extern int uvc_probe_video(struct uvc_streaming *stream,
struct uvc_streaming_control *probe);
-extern int uvc_commit_video(struct uvc_video_device *video,
+extern int uvc_commit_video(struct uvc_streaming *stream,
struct uvc_streaming_control *ctrl);
extern int uvc_query_ctrl(struct uvc_device *dev, __u8 query, __u8 unit,
__u8 intfnum, __u8 cs, void *data, __u16 size);
extern int uvc_status_resume(struct uvc_device *dev);
/* Controls */
-extern struct uvc_control *uvc_find_control(struct uvc_video_device *video,
+extern struct uvc_control *uvc_find_control(struct uvc_video_chain *chain,
__u32 v4l2_id, struct uvc_control_mapping **mapping);
-extern int uvc_query_v4l2_ctrl(struct uvc_video_device *video,
+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_resume_device(struct uvc_device *dev);
extern void uvc_ctrl_init(void);
-extern int uvc_ctrl_begin(struct uvc_video_device *video);
-extern int __uvc_ctrl_commit(struct uvc_video_device *video, int rollback);
-static inline int uvc_ctrl_commit(struct uvc_video_device *video)
+extern int uvc_ctrl_begin(struct uvc_video_chain *chain);
+extern int __uvc_ctrl_commit(struct uvc_video_chain *chain, int rollback);
+static inline int uvc_ctrl_commit(struct uvc_video_chain *chain)
{
- return __uvc_ctrl_commit(video, 0);
+ return __uvc_ctrl_commit(chain, 0);
}
-static inline int uvc_ctrl_rollback(struct uvc_video_device *video)
+static inline int uvc_ctrl_rollback(struct uvc_video_chain *chain)
{
- return __uvc_ctrl_commit(video, 1);
+ return __uvc_ctrl_commit(chain, 1);
}
-extern int uvc_ctrl_get(struct uvc_video_device *video,
+extern int uvc_ctrl_get(struct uvc_video_chain *chain,
struct v4l2_ext_control *xctrl);
-extern int uvc_ctrl_set(struct uvc_video_device *video,
+extern int uvc_ctrl_set(struct uvc_video_chain *chain,
struct v4l2_ext_control *xctrl);
-extern int uvc_xu_ctrl_query(struct uvc_video_device *video,
+extern int uvc_xu_ctrl_query(struct uvc_video_chain *chain,
struct uvc_xu_control *ctrl, int set);
/* Utility functions */
struct usb_host_interface *alts, __u8 epaddr);
/* Quirks support */
-void uvc_video_decode_isight(struct urb *urb, struct uvc_video_device *video,
+void uvc_video_decode_isight(struct urb *urb, struct uvc_streaming *stream,
struct uvc_buffer *buf);
#endif /* __KERNEL__ */
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