#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