235 lines
5.3 KiB
C
235 lines
5.3 KiB
C
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#ifndef __LINUX_se401_H
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#define __LINUX_se401_H
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#include <asm/uaccess.h>
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#include <linux/videodev.h>
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#include <media/v4l2-common.h>
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#include <linux/mutex.h>
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#define se401_DEBUG /* Turn on debug messages */
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#ifdef se401_DEBUG
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# define PDEBUG(level, fmt, args...) \
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if (debug >= level) info("[" __PRETTY_FUNCTION__ ":%d] " fmt, __LINE__ , ## args)
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#else
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# define PDEBUG(level, fmt, args...) do {} while(0)
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#endif
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/* An almost drop-in replacement for sleep_on_interruptible */
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#define wait_interruptible(test, queue, wait) \
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{ \
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add_wait_queue(queue, wait); \
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set_current_state(TASK_INTERRUPTIBLE); \
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if (test) \
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schedule(); \
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remove_wait_queue(queue, wait); \
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set_current_state(TASK_RUNNING); \
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if (signal_pending(current)) \
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break; \
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}
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#define SE401_REQ_GET_CAMERA_DESCRIPTOR 0x06
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#define SE401_REQ_START_CONTINUOUS_CAPTURE 0x41
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#define SE401_REQ_STOP_CONTINUOUS_CAPTURE 0x42
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#define SE401_REQ_CAPTURE_FRAME 0x43
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#define SE401_REQ_GET_BRT 0x44
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#define SE401_REQ_SET_BRT 0x45
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#define SE401_REQ_GET_WIDTH 0x4c
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#define SE401_REQ_SET_WIDTH 0x4d
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#define SE401_REQ_GET_HEIGHT 0x4e
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#define SE401_REQ_SET_HEIGHT 0x4f
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#define SE401_REQ_GET_OUTPUT_MODE 0x50
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#define SE401_REQ_SET_OUTPUT_MODE 0x51
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#define SE401_REQ_GET_EXT_FEATURE 0x52
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#define SE401_REQ_SET_EXT_FEATURE 0x53
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#define SE401_REQ_CAMERA_POWER 0x56
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#define SE401_REQ_LED_CONTROL 0x57
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#define SE401_REQ_BIOS 0xff
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#define SE401_BIOS_READ 0x07
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#define SE401_FORMAT_BAYER 0x40
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/* Hyundai hv7131b registers
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7121 and 7141 should be the same (haven't really checked...) */
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/* Mode registers: */
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#define HV7131_REG_MODE_A 0x00
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#define HV7131_REG_MODE_B 0x01
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#define HV7131_REG_MODE_C 0x02
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/* Frame registers: */
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#define HV7131_REG_FRSU 0x10
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#define HV7131_REG_FRSL 0x11
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#define HV7131_REG_FCSU 0x12
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#define HV7131_REG_FCSL 0x13
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#define HV7131_REG_FWHU 0x14
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#define HV7131_REG_FWHL 0x15
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#define HV7131_REG_FWWU 0x16
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#define HV7131_REG_FWWL 0x17
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/* Timing registers: */
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#define HV7131_REG_THBU 0x20
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#define HV7131_REG_THBL 0x21
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#define HV7131_REG_TVBU 0x22
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#define HV7131_REG_TVBL 0x23
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#define HV7131_REG_TITU 0x25
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#define HV7131_REG_TITM 0x26
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#define HV7131_REG_TITL 0x27
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#define HV7131_REG_TMCD 0x28
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/* Adjust Registers: */
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#define HV7131_REG_ARLV 0x30
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#define HV7131_REG_ARCG 0x31
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#define HV7131_REG_AGCG 0x32
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#define HV7131_REG_ABCG 0x33
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#define HV7131_REG_APBV 0x34
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#define HV7131_REG_ASLP 0x54
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/* Offset Registers: */
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#define HV7131_REG_OFSR 0x50
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#define HV7131_REG_OFSG 0x51
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#define HV7131_REG_OFSB 0x52
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/* REset level statistics registers: */
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#define HV7131_REG_LOREFNOH 0x57
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#define HV7131_REG_LOREFNOL 0x58
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#define HV7131_REG_HIREFNOH 0x59
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#define HV7131_REG_HIREFNOL 0x5a
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/* se401 registers */
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#define SE401_OPERATINGMODE 0x2000
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/* size of usb transfers */
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#define SE401_PACKETSIZE 4096
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/* number of queued bulk transfers to use, should be about 8 */
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#define SE401_NUMSBUF 1
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/* read the usb specs for this one :) */
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#define SE401_VIDEO_ENDPOINT 1
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#define SE401_BUTTON_ENDPOINT 2
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/* number of frames supported by the v4l part */
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#define SE401_NUMFRAMES 2
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/* scratch buffers for passing data to the decoders */
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#define SE401_NUMSCRATCH 32
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/* maximum amount of data in a JangGu packet */
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#define SE401_VLCDATALEN 1024
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/* number of nul sized packets to receive before kicking the camera */
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#define SE401_MAX_NULLPACKETS 4000
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/* number of decoding errors before kicking the camera */
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#define SE401_MAX_ERRORS 200
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struct usb_device;
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struct se401_sbuf {
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unsigned char *data;
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};
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enum {
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FRAME_UNUSED, /* Unused (no MCAPTURE) */
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FRAME_READY, /* Ready to start grabbing */
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FRAME_GRABBING, /* In the process of being grabbed into */
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FRAME_DONE, /* Finished grabbing, but not been synced yet */
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FRAME_ERROR, /* Something bad happened while processing */
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};
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enum {
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FMT_BAYER,
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FMT_JANGGU,
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};
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enum {
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BUFFER_UNUSED,
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BUFFER_READY,
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BUFFER_BUSY,
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BUFFER_DONE,
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};
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struct se401_scratch {
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unsigned char *data;
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volatile int state;
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int offset;
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int length;
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};
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struct se401_frame {
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unsigned char *data; /* Frame buffer */
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volatile int grabstate; /* State of grabbing */
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unsigned char *curline;
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int curlinepix;
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int curpix;
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};
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struct usb_se401 {
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struct video_device vdev;
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/* Device structure */
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struct usb_device *dev;
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unsigned char iface;
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char *camera_name;
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int change;
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int brightness;
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int hue;
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int rgain;
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int ggain;
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int bgain;
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int expose_h;
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int expose_m;
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int expose_l;
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int resetlevel;
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int enhance;
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int format;
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int sizes;
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int *width;
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int *height;
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int cwidth; /* current width */
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int cheight; /* current height */
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int palette;
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int maxframesize;
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int cframesize; /* current framesize */
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struct mutex lock;
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int user; /* user count for exclusive use */
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int removed; /* device disconnected */
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int streaming; /* Are we streaming video? */
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char *fbuf; /* Videodev buffer area */
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struct urb *urb[SE401_NUMSBUF];
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struct urb *inturb;
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int button;
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int buttonpressed;
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int curframe; /* Current receiving frame */
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struct se401_frame frame[SE401_NUMFRAMES];
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int readcount;
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int framecount;
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int error;
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int dropped;
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int scratch_next;
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int scratch_use;
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int scratch_overflow;
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struct se401_scratch scratch[SE401_NUMSCRATCH];
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/* Decoder specific data: */
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unsigned char vlcdata[SE401_VLCDATALEN];
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int vlcdatapos;
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int bayeroffset;
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struct se401_sbuf sbuf[SE401_NUMSBUF];
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wait_queue_head_t wq; /* Processes waiting */
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int nullpackets;
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};
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#endif
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