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#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
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