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