diff options
Diffstat (limited to 'drivers/media/video/gspca/gspca.h')
| -rw-r--r-- | drivers/media/video/gspca/gspca.h | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h deleted file mode 100644 index c90af9cb1e0..00000000000 --- a/drivers/media/video/gspca/gspca.h +++ /dev/null @@ -1,197 +0,0 @@ -#ifndef GSPCAV2_H -#define GSPCAV2_H - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/usb.h> -#include <linux/videodev2.h> -#include <media/v4l2-common.h> -#include <linux/mutex.h> - -/* compilation option */ -#define GSPCA_DEBUG 1 - -#ifdef GSPCA_DEBUG -/* GSPCA our debug messages */ -extern int gspca_debug; -#define PDEBUG(level, fmt, args...) \ - do {\ - if (gspca_debug & (level)) \ - printk(KERN_INFO MODULE_NAME ": " fmt "\n", ## args); \ - } while (0) -#define D_ERR 0x01 -#define D_PROBE 0x02 -#define D_CONF 0x04 -#define D_STREAM 0x08 -#define D_FRAM 0x10 -#define D_PACK 0x20 -#define D_USBI 0x40 -#define D_USBO 0x80 -#define D_V4L2 0x0100 -#else -#define PDEBUG(level, fmt, args...) -#endif -#undef err -#define err(fmt, args...) \ - do {\ - printk(KERN_ERR MODULE_NAME ": " fmt "\n", ## args); \ - } while (0) -#undef info -#define info(fmt, args...) \ - do {\ - printk(KERN_INFO MODULE_NAME ": " fmt "\n", ## args); \ - } while (0) -#undef warn -#define warn(fmt, args...) \ - do {\ - printk(KERN_WARNING MODULE_NAME ": " fmt "\n", ## args); \ - } while (0) - -#define GSPCA_MAX_FRAMES 16 /* maximum number of video frame buffers */ -/* 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 { - int bulk_size; /* buffer size when image transfer by bulk */ - 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; -}; - -struct gspca_dev; -struct gspca_frame; - -/* subdriver operations */ -typedef int (*cam_op) (struct gspca_dev *); -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, - struct gspca_frame *frame, - __u8 *data, - int len); - -struct ctrl { - struct v4l2_queryctrl qctrl; - int (*set)(struct gspca_dev *, __s32); - int (*get)(struct gspca_dev *, __s32 *); -}; - -/* subdriver description */ -struct sd_desc { -/* information */ - const char *name; /* sub-driver name */ -/* controls */ - const struct ctrl *ctrls; - int nctrls; -/* mandatory operations */ - cam_cf_op config; /* called on probe */ - 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 & disconnect - alt 0 */ - cam_v_op dq_callback; /* called when a frame has been dequeued */ - 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 */ -enum gspca_packet_type { - DISCARD_PACKET, - FIRST_PACKET, - INTER_PACKET, - LAST_PACKET -}; - -struct gspca_frame { - __u8 *data; /* frame buffer */ - __u8 *data_end; /* end of frame while filling */ - int vma_use_count; - struct v4l2_buffer v4l2_buf; -}; - -struct gspca_dev { - struct video_device vdev; /* !! must be the first item */ - struct module *module; /* subdriver handling the device */ - struct usb_device *dev; - 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) */ - -#define USB_BUF_SZ 64 - __u8 *usb_buf; /* buffer for USB exchanges */ - struct urb *urb[MAX_NURBS]; - - __u8 *frbuf; /* buffer for nframes */ - struct gspca_frame frame[GSPCA_MAX_FRAMES]; - __u32 frsz; /* frame size */ - char nframes; /* number of frames */ - char fr_i; /* frame being filled */ - char fr_q; /* next frame to queue */ - char fr_o; /* next frame to dequeue */ - signed char fr_queue[GSPCA_MAX_FRAMES]; /* frame queue */ - __u8 last_packet_type; - __s8 empty_packet; /* if (-1) don't check empty packets */ - __u8 streaming; - - __u8 curr_mode; /* current camera mode */ - __u32 pixfmt; /* current mode parameters */ - __u16 width; - __u16 height; - __u32 sequence; /* frame sequence number */ - - 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 */ -#ifdef CONFIG_PM - char frozen; /* suspend - resume */ -#endif - char users; /* number of opens */ - char present; /* device connected */ - 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 */ -}; - -int gspca_dev_probe(struct usb_interface *intf, - const struct usb_device_id *id, - const struct sd_desc *sd_desc, - int dev_size, - struct module *module); -void gspca_disconnect(struct usb_interface *intf); -struct gspca_frame *gspca_frame_add(struct gspca_dev *gspca_dev, - 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 */ |