diff options
Diffstat (limited to 'drivers/media/usb/uvc/uvcvideo.h')
| -rw-r--r-- | drivers/media/usb/uvc/uvcvideo.h | 99 |
1 files changed, 69 insertions, 30 deletions
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index a3dfacf069c4..97df5ecd66c9 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -6,6 +6,7 @@ #error "The uvcvideo.h header is deprecated, use linux/uvcvideo.h instead." #endif /* __KERNEL__ */ +#include <linux/atomic.h> #include <linux/kernel.h> #include <linux/poll.h> #include <linux/usb.h> @@ -37,6 +38,8 @@ (UVC_ENTITY_IS_TERM(entity) && \ ((entity)->type & 0x8000) == UVC_TERM_OUTPUT) +#define UVC_EXT_GPIO_UNIT 0x7ffe +#define UVC_EXT_GPIO_UNIT_ID 0x100 /* ------------------------------------------------------------------------ * GUIDs @@ -56,6 +59,9 @@ #define UVC_GUID_UVC_SELECTOR \ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02} +#define UVC_GUID_EXT_GPIO_CONTROLLER \ + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03} #define UVC_GUID_FORMAT_MJPEG \ { 'M', 'J', 'P', 'G', 0x00, 0x00, 0x10, 0x00, \ @@ -212,6 +218,7 @@ * Structures. */ +struct gpio_desc; struct uvc_device; /* TODO: Put the most frequently accessed fields at the beginning of @@ -301,9 +308,15 @@ struct uvc_entity { * chain. */ unsigned int flags; - u8 id; + /* + * Entities exposed by the UVC device use IDs 0-255, extra entities + * implemented by the driver (such as the GPIO entity) use IDs 256 and + * up. + */ + u16 id; u16 type; char name[64]; + u8 guid[16]; /* Media controller-related fields. */ struct video_device *vdev; @@ -342,17 +355,28 @@ struct uvc_entity { } selector; struct { - u8 guidExtensionCode[16]; u8 bNumControls; u8 bControlSize; u8 *bmControls; u8 *bmControlsType; } extension; + + struct { + u8 bControlSize; + u8 *bmControls; + struct gpio_desc *gpio_privacy; + int irq; + } gpio; }; u8 bNrInPins; u8 *baSourceID; + int (*get_info)(struct uvc_device *dev, struct uvc_entity *entity, + u8 cs, u8 *caps); + int (*get_cur)(struct uvc_device *dev, struct uvc_entity *entity, + u8 cs, void *data, u16 size); + unsigned int ncontrols; struct uvc_control *controls; }; @@ -635,6 +659,7 @@ static inline u32 uvc_urb_index(const struct uvc_urb *uvc_urb) struct uvc_device_info { u32 quirks; u32 meta_format; + u16 uvc_version; }; struct uvc_device { @@ -680,6 +705,8 @@ struct uvc_device { struct uvc_control *ctrl; const void *data; } async_ctrl; + + struct uvc_entity *gpio_unit; }; enum uvc_handle_state { @@ -702,18 +729,18 @@ struct uvc_driver { * Debugging, printing and logging */ -#define UVC_TRACE_PROBE (1 << 0) -#define UVC_TRACE_DESCR (1 << 1) -#define UVC_TRACE_CONTROL (1 << 2) -#define UVC_TRACE_FORMAT (1 << 3) -#define UVC_TRACE_CAPTURE (1 << 4) -#define UVC_TRACE_CALLS (1 << 5) -#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_TRACE_STATS (1 << 11) -#define UVC_TRACE_CLOCK (1 << 12) +#define UVC_DBG_PROBE (1 << 0) +#define UVC_DBG_DESCR (1 << 1) +#define UVC_DBG_CONTROL (1 << 2) +#define UVC_DBG_FORMAT (1 << 3) +#define UVC_DBG_CAPTURE (1 << 4) +#define UVC_DBG_CALLS (1 << 5) +#define UVC_DBG_FRAME (1 << 7) +#define UVC_DBG_SUSPEND (1 << 8) +#define UVC_DBG_STATUS (1 << 9) +#define UVC_DBG_VIDEO (1 << 10) +#define UVC_DBG_STATS (1 << 11) +#define UVC_DBG_CLOCK (1 << 12) #define UVC_WARN_MINMAX 0 #define UVC_WARN_PROBE_DEF 1 @@ -721,24 +748,28 @@ struct uvc_driver { extern unsigned int uvc_clock_param; extern unsigned int uvc_no_drop_param; -extern unsigned int uvc_trace_param; +extern unsigned int uvc_dbg_param; extern unsigned int uvc_timeout_param; extern unsigned int uvc_hw_timestamps_param; -#define uvc_trace(flag, msg...) \ - do { \ - if (uvc_trace_param & flag) \ - printk(KERN_DEBUG "uvcvideo: " msg); \ - } while (0) - -#define uvc_warn_once(dev, warn, msg...) \ - do { \ - if (!test_and_set_bit(warn, &dev->warnings)) \ - printk(KERN_INFO "uvcvideo: " msg); \ - } while (0) - -#define uvc_printk(level, msg...) \ - printk(level "uvcvideo: " msg) +#define uvc_dbg(_dev, flag, fmt, ...) \ +do { \ + if (uvc_dbg_param & UVC_DBG_##flag) \ + dev_printk(KERN_DEBUG, &(_dev)->udev->dev, fmt, \ + ##__VA_ARGS__); \ +} while (0) + +#define uvc_dbg_cont(flag, fmt, ...) \ +do { \ + if (uvc_dbg_param & UVC_DBG_##flag) \ + pr_cont(fmt, ##__VA_ARGS__); \ +} while (0) + +#define uvc_warn_once(_dev, warn, fmt, ...) \ +do { \ + if (!test_and_set_bit(warn, &(_dev)->warnings)) \ + dev_info(&(_dev)->udev->dev, fmt, ##__VA_ARGS__); \ +} while (0) /* -------------------------------------------------------------------------- * Internal functions. @@ -787,6 +818,12 @@ static inline int uvc_queue_streaming(struct uvc_video_queue *queue) return vb2_is_streaming(&queue->queue); } +static inline struct uvc_streaming * +uvc_queue_to_stream(struct uvc_video_queue *queue) +{ + return container_of(queue, struct uvc_streaming, queue); +} + /* V4L2 interface */ extern const struct v4l2_ioctl_ops uvc_ioctl_ops; extern const struct v4l2_file_operations uvc_fops; @@ -838,7 +875,9 @@ int uvc_ctrl_add_mapping(struct uvc_video_chain *chain, int uvc_ctrl_init_device(struct uvc_device *dev); void uvc_ctrl_cleanup_device(struct uvc_device *dev); int uvc_ctrl_restore_values(struct uvc_device *dev); -bool uvc_ctrl_status_event(struct urb *urb, struct uvc_video_chain *chain, +bool uvc_ctrl_status_event_async(struct urb *urb, struct uvc_video_chain *chain, + struct uvc_control *ctrl, const u8 *data); +void uvc_ctrl_status_event(struct uvc_video_chain *chain, struct uvc_control *ctrl, const u8 *data); int uvc_ctrl_begin(struct uvc_video_chain *chain); |