diff options
Diffstat (limited to 'drivers/media/usb/gspca/gspca.h')
| -rw-r--r-- | drivers/media/usb/gspca/gspca.h | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/media/usb/gspca/gspca.h b/drivers/media/usb/gspca/gspca.h index 249cb38a542f..b0ced2e14006 100644 --- a/drivers/media/usb/gspca/gspca.h +++ b/drivers/media/usb/gspca/gspca.h @@ -9,6 +9,8 @@ #include <media/v4l2-common.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> +#include <media/videobuf2-v4l2.h> +#include <media/videobuf2-vmalloc.h> #include <linux/mutex.h> @@ -138,19 +140,22 @@ enum gspca_packet_type { LAST_PACKET }; -struct gspca_frame { - __u8 *data; /* frame buffer */ - int vma_use_count; - struct v4l2_buffer v4l2_buf; +struct gspca_buffer { + struct vb2_v4l2_buffer vb; + struct list_head list; }; +static inline struct gspca_buffer *to_gspca_buffer(struct vb2_buffer *vb2) +{ + return container_of(vb2, struct gspca_buffer, vb.vb2_buf); +} + struct gspca_dev { struct video_device vdev; /* !! must be the first item */ struct module *module; /* subdriver handling the device */ struct v4l2_device v4l2_dev; struct usb_device *dev; - struct file *capt_file; /* file doing video capture */ - /* protected by queue_lock */ + #if IS_ENABLED(CONFIG_INPUT) struct input_dev *input_dev; char phys[64]; /* physical device path */ @@ -176,34 +181,29 @@ struct gspca_dev { struct urb *int_urb; #endif - __u8 *frbuf; /* buffer for nframes */ - struct gspca_frame frame[GSPCA_MAX_FRAMES]; - u8 *image; /* image beeing filled */ - __u32 frsz; /* frame size */ + u8 *image; /* image being filled */ u32 image_len; /* current length of image */ - atomic_t fr_q; /* next frame to queue */ - atomic_t fr_i; /* frame being filled */ - signed char fr_queue[GSPCA_MAX_FRAMES]; /* frame queue */ - char nframes; /* number of frames */ - u8 fr_o; /* next frame to dequeue */ __u8 last_packet_type; __s8 empty_packet; /* if (-1) don't check empty packets */ - __u8 streaming; /* protected by both mutexes (*) */ + bool streaming; __u8 curr_mode; /* current camera mode */ struct v4l2_pix_format pixfmt; /* current mode parameters */ __u32 sequence; /* frame sequence number */ + struct vb2_queue queue; + + spinlock_t qlock; + struct list_head buf_list; + wait_queue_head_t wq; /* wait queue */ struct mutex usb_lock; /* usb exchange protection */ - struct mutex queue_lock; /* ISOC queue protection */ int usb_err; /* USB error - protected by usb_lock */ u16 pkt_size; /* ISOC packet size */ #ifdef CONFIG_PM char frozen; /* suspend - resume */ #endif - char present; /* device connected */ - char nbufread; /* number of buffers for read() */ + bool present; char memory; /* memory type (V4L2_MEMORY_xxx) */ __u8 iface; /* USB interface number */ __u8 alt; /* USB alternate setting */ |