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path: root/drivers/media/video/gspca/gspca.h
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Diffstat (limited to 'drivers/media/video/gspca/gspca.h')
-rw-r--r--drivers/media/video/gspca/gspca.h25
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index d25e8d69373b..c90af9cb1e07 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -56,8 +56,12 @@ extern int gspca_debug;
/* device information - set at probe time */
struct cam {
int bulk_size; /* buffer size when image transfer by bulk */
- struct v4l2_pix_format *cam_mode; /* size nmodes */
+ const struct v4l2_pix_format *cam_mode; /* size nmodes */
char nmodes;
+ __u8 bulk_nurbs; /* number of URBs in bulk mode
+ * - cannot be > MAX_NURBS
+ * - when 0 and bulk_size != 0 means
+ * 1 URB and submit done by subdriver */
__u8 epaddr;
};
@@ -70,6 +74,8 @@ typedef void (*cam_v_op) (struct gspca_dev *);
typedef int (*cam_cf_op) (struct gspca_dev *, const struct usb_device_id *);
typedef int (*cam_jpg_op) (struct gspca_dev *,
struct v4l2_jpegcompression *);
+typedef int (*cam_streamparm_op) (struct gspca_dev *,
+ struct v4l2_streamparm *);
typedef int (*cam_qmnu_op) (struct gspca_dev *,
struct v4l2_querymenu *);
typedef void (*cam_pkt_op) (struct gspca_dev *gspca_dev,
@@ -102,6 +108,8 @@ struct sd_desc {
cam_jpg_op get_jcomp;
cam_jpg_op set_jcomp;
cam_qmnu_op querymenu;
+ cam_streamparm_op get_streamparm;
+ cam_streamparm_op set_streamparm;
};
/* packet types when moving from iso buf to frame buf */
@@ -120,10 +128,9 @@ struct gspca_frame {
};
struct gspca_dev {
- struct video_device *vdev;
+ struct video_device vdev; /* !! must be the first item */
struct module *module; /* subdriver handling the device */
struct usb_device *dev;
- struct kref kref;
struct file *capt_file; /* file doing video capture */
struct cam cam; /* device information */
@@ -142,22 +149,20 @@ struct gspca_dev {
char fr_q; /* next frame to queue */
char fr_o; /* next frame to dequeue */
signed char fr_queue[GSPCA_MAX_FRAMES]; /* frame queue */
- char last_packet_type;
+ __u8 last_packet_type;
+ __s8 empty_packet; /* if (-1) don't check empty packets */
+ __u8 streaming;
- __u8 iface; /* USB interface number */
- __u8 alt; /* USB alternate setting */
__u8 curr_mode; /* current camera mode */
__u32 pixfmt; /* current mode parameters */
__u16 width;
__u16 height;
+ __u32 sequence; /* frame sequence number */
- atomic_t nevent; /* number of frames done */
wait_queue_head_t wq; /* wait queue */
struct mutex usb_lock; /* usb exchange protection */
struct mutex read_lock; /* read protection */
struct mutex queue_lock; /* ISOC queue protection */
- __u32 sequence; /* frame sequence number */
- char streaming;
#ifdef CONFIG_PM
char frozen; /* suspend - resume */
#endif
@@ -166,6 +171,8 @@ struct gspca_dev {
char nbufread; /* number of buffers for read() */
char nurbs; /* number of allocated URBs */
char memory; /* memory type (V4L2_MEMORY_xxx) */
+ __u8 iface; /* USB interface number */
+ __u8 alt; /* USB alternate setting */
__u8 nbalt; /* number of USB alternate settings */
};