diff options
Diffstat (limited to 'drivers/media/video/gspca/gspca.h')
| -rw-r--r-- | drivers/media/video/gspca/gspca.h | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h deleted file mode 100644 index dc688c7..0000000 --- a/drivers/media/video/gspca/gspca.h +++ /dev/null @@ -1,259 +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 <media/v4l2-ctrls.h> -#include <media/v4l2-device.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, ...) \ -do { \ - if (gspca_debug & (level)) \ - pr_info(fmt, ##__VA_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 0x00 -#define D_USBO 0x00 -#define D_V4L2 0x0100 -#else -#define PDEBUG(level, fmt, ...) -#endif - -#define GSPCA_MAX_FRAMES 16 /* maximum number of video frame buffers */ -/* image transfers */ -#define MAX_NURBS 4 /* max number of URBs */ - - -/* used to list framerates supported by a camera mode (resolution) */ -struct framerates { - const u8 *rates; - int nrates; -}; - -/* control definition */ -struct gspca_ctrl { - s16 val; /* current value */ - s16 def; /* default value */ - s16 min, max; /* minimum and maximum values */ -}; - -/* device information - set at probe time */ -struct cam { - const struct v4l2_pix_format *cam_mode; /* size nmodes */ - const struct framerates *mode_framerates; /* must have size nmodes, - * just like cam_mode */ - struct gspca_ctrl *ctrls; /* control table - size nctrls */ - /* may be NULL */ - u32 bulk_size; /* buffer size when image transfer by bulk */ - u32 input_flags; /* value for ENUM_INPUT status flags */ - u8 nmodes; /* size of cam_mode */ - u8 no_urb_create; /* don't create transfer URBs */ - 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 bulk; /* image transfer by 0:isoc / 1:bulk */ - u8 npkt; /* number of packets in an ISOC message - * 0 is the default value: 32 packets */ - u8 needs_full_bandwidth;/* Set this flag to notify the bandwidth calc. - * code that the cam fills all image buffers to - * the max, even when using compression. */ -}; - -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_reg_op) (struct gspca_dev *, - struct v4l2_dbg_register *); -typedef int (*cam_ident_op) (struct gspca_dev *, - struct v4l2_dbg_chip_ident *); -typedef void (*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, - u8 *data, - int len); -typedef int (*cam_int_pkt_op) (struct gspca_dev *gspca_dev, - u8 *data, - int len); - -struct ctrl { - struct v4l2_queryctrl qctrl; - int (*set)(struct gspca_dev *, __s32); - int (*get)(struct gspca_dev *, __s32 *); - cam_v_op set_control; -}; - -/* subdriver description */ -struct sd_desc { -/* information */ - const char *name; /* sub-driver name */ -/* controls */ - const struct ctrl *ctrls; /* static control definition */ - int nctrls; -/* mandatory operations */ - cam_cf_op config; /* called on probe */ - cam_op init; /* called on probe and resume */ - cam_op init_controls; /* called on probe */ - cam_op start; /* called on stream on after URBs creation */ - cam_pkt_op pkt_scan; -/* optional operations */ - cam_op isoc_init; /* called on stream on before getting the EP */ - cam_op isoc_nego; /* called when URB submit failed with NOSPC */ - 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; -#ifdef CONFIG_VIDEO_ADV_DEBUG - cam_reg_op set_register; - cam_reg_op get_register; -#endif - cam_ident_op get_chip_ident; -#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) - cam_int_pkt_op int_pkt_scan; - /* other_input makes the gspca core create gspca_dev->input even when - int_pkt_scan is NULL, for cams with non interrupt driven buttons */ - u8 other_input; -#endif -}; - -/* 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 */ - 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 v4l2_device v4l2_dev; - struct usb_device *dev; - struct file *capt_file; /* file doing video capture */ - /* protected by queue_lock */ -#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) - struct input_dev *input_dev; - char phys[64]; /* physical device path */ -#endif - - struct cam cam; /* device information */ - const struct sd_desc *sd_desc; /* subdriver description */ - unsigned ctrl_dis; /* disabled controls (bit map) */ - unsigned ctrl_inac; /* inactive controls (bit map) */ - struct v4l2_ctrl_handler ctrl_handler; - - /* autogain and exposure or gain control cluster, these are global as - the autogain/exposure functions in autogain_functions.c use them */ - struct { - struct v4l2_ctrl *autogain; - struct v4l2_ctrl *exposure; - struct v4l2_ctrl *gain; - int exp_too_low_cnt, exp_too_high_cnt; - }; - -#define USB_BUF_SZ 64 - __u8 *usb_buf; /* buffer for USB exchanges */ - struct urb *urb[MAX_NURBS]; -#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) - 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 */ - 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 (*) */ - - __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 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() */ - char memory; /* memory type (V4L2_MEMORY_xxx) */ - __u8 iface; /* USB interface number */ - __u8 alt; /* USB alternate setting */ - u8 audio; /* presence of audio device */ - - /* (*) These variables are proteced by both usb_lock and queue_lock, - that is any code setting them is holding *both*, which means that - any code getting them needs to hold at least one of them */ -}; - -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); -int gspca_dev_probe2(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); -void gspca_frame_add(struct gspca_dev *gspca_dev, - enum gspca_packet_type packet_type, - 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_expo_autogain(struct gspca_dev *gspca_dev, int avg_lum, - int desired_avg_lum, int deadzone, int gain_knee, int exposure_knee); -int gspca_coarse_grained_expo_autogain(struct gspca_dev *gspca_dev, - int avg_lum, int desired_avg_lum, int deadzone); - -#endif /* GSPCAV2_H */ |