diff options
Diffstat (limited to 'drivers/media/video/gspca/gspca.h')
| -rw-r--r-- | drivers/media/video/gspca/gspca.h | 43 |
1 files changed, 27 insertions, 16 deletions
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h index 67e448940ea..1d9dc90b479 100644 --- a/drivers/media/video/gspca/gspca.h +++ b/drivers/media/video/gspca/gspca.h @@ -2,7 +2,6 @@ #define GSPCAV2_H #include <linux/module.h> -#include <linux/version.h> #include <linux/kernel.h> #include <linux/usb.h> #include <linux/videodev2.h> @@ -49,14 +48,14 @@ 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; + int bulk_size; /* buffer size when image transfer by bulk */ 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_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_op init; /* called on probe and resume */ + cam_op start; /* called on stream on */ 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; @@ -107,10 +105,12 @@ struct sd_desc { }; /* packet types when moving from iso buf to frame buf */ -#define DISCARD_PACKET 0 -#define FIRST_PACKET 1 -#define INTER_PACKET 2 -#define LAST_PACKET 3 +enum gspca_packet_type { + DISCARD_PACKET, + FIRST_PACKET, + INTER_PACKET, + LAST_PACKET +}; struct gspca_frame { __u8 *data; /* frame buffer */ @@ -123,12 +123,15 @@ struct gspca_dev { struct video_device vdev; /* !! must be the first item */ struct file_operations fops; struct usb_device *dev; + struct kref kref; struct file *capt_file; /* file doing video capture */ 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 */ @@ -155,6 +158,9 @@ 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() */ @@ -170,10 +176,15 @@ int gspca_dev_probe(struct usb_interface *intf, struct module *module); void gspca_disconnect(struct usb_interface *intf); struct gspca_frame *gspca_frame_add(struct gspca_dev *gspca_dev, - int packet_type, + enum gspca_packet_type packet_type, struct gspca_frame *frame, const __u8 *data, int len); +struct gspca_frame *gspca_get_i_frame(struct gspca_dev *gspca_dev); +#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 */ |