diff options
Diffstat (limited to 'linux/drivers/media/video/gspca/gspca.h')
| -rw-r--r-- | linux/drivers/media/video/gspca/gspca.h | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/linux/drivers/media/video/gspca/gspca.h b/linux/drivers/media/video/gspca/gspca.h index 67e448940..78a35a88c 100644 --- a/linux/drivers/media/video/gspca/gspca.h +++ b/linux/drivers/media/video/gspca/gspca.h @@ -49,14 +49,13 @@ extern int gspca_debug; } while (0) #define GSPCA_MAX_FRAMES 16 /* maximum number of video frame buffers */ -/* ISOC transfers */ -#define MAX_NURBS 16 /* max number of URBs */ +/* image transfers */ +#define MAX_NURBS 4 /* max number of URBs */ #define ISO_MAX_PKT 32 /* max number of packets in an ISOC transfer */ #define ISO_MAX_SIZE 0x8000 /* max size of one URB buffer (32 Kb) */ /* device information - set at probe time */ struct cam { - char *dev_name; struct v4l2_pix_format *cam_mode; /* size nmodes */ char nmodes; __u8 epaddr; @@ -91,15 +90,14 @@ struct sd_desc { /* controls */ const struct ctrl *ctrls; int nctrls; -/* operations */ +/* mandatory operations */ cam_cf_op config; /* called on probe */ - cam_op open; /* called on open */ + cam_op init; /* called on probe and resume */ cam_v_op start; /* called on stream on */ - cam_v_op stopN; /* called on stream off - main alt */ - cam_v_op stop0; /* called on stream off - alt 0 */ - cam_v_op close; /* called on close */ cam_pkt_op pkt_scan; /* optional operations */ + cam_v_op stopN; /* called on stream off - main alt */ + cam_v_op stop0; /* called on stream off - alt 0 */ cam_v_op dq_callback; /* called when a frame has been dequeued */ cam_jpg_op get_jcomp; cam_jpg_op set_jcomp; @@ -127,8 +125,10 @@ struct gspca_dev { struct cam cam; /* device information */ const struct sd_desc *sd_desc; /* subdriver description */ + unsigned ctrl_dis; /* disabled controls (bit map) */ - __u8 usb_buf[8]; /* buffer for USB exchanges */ +#define USB_BUF_SZ 64 + __u8 *usb_buf; /* buffer for USB exchanges */ struct urb *urb[MAX_NURBS]; __u8 *frbuf; /* buffer for nframes */ @@ -143,6 +143,7 @@ struct gspca_dev { __u8 iface; /* USB interface number */ __u8 alt; /* USB alternate setting */ + __u8 bulk; /* image transfer by isoc (0) or bulk (1) */ __u8 curr_mode; /* current camera mode */ __u32 pixfmt; /* current mode parameters */ __u16 width; @@ -155,6 +156,9 @@ struct gspca_dev { struct mutex queue_lock; /* ISOC queue protection */ __u32 sequence; /* frame sequence number */ char streaming; +#ifdef CONFIG_PM + char frozen; /* suspend - resume */ +#endif char users; /* number of opens */ char present; /* device connected */ char nbufread; /* number of buffers for read() */ @@ -174,6 +178,10 @@ struct gspca_frame *gspca_frame_add(struct gspca_dev *gspca_dev, struct gspca_frame *frame, const __u8 *data, int len); +#ifdef CONFIG_PM +int gspca_suspend(struct usb_interface *intf, pm_message_t message); +int gspca_resume(struct usb_interface *intf); +#endif int gspca_auto_gain_n_exposure(struct gspca_dev *gspca_dev, int avg_lum, int desired_avg_lum, int deadzone, int gain_knee, int exposure_knee); #endif /* GSPCAV2_H */ |