LXR linux-old/drivers/usb/se401.h

   1
   2#ifndef __LINUX_se401_H
   3#define __LINUX_se401_H
   4
   5#include <asm/uaccess.h>
   6#include <linux/videodev.h>
   7#include <linux/smp_lock.h>
   8
   9#define se401_DEBUG     /* Turn on debug messages */
  10
  11#ifdef se401_DEBUG
  12#  define PDEBUG(level, fmt, args...) \
  13if (debug >= level) info("[%s:%d] " fmt, __PRETTY_FUNCTION__, __LINE__ , ## args)
  14#else
  15#  define PDEBUG(level, fmt, args...) do {} while(0)
  16#endif
  17
  18/* An almost drop-in replacement for sleep_on_interruptible */
  19#define wait_interruptible(test, queue, wait) \
  20{ \
  21        add_wait_queue(queue, wait); \
  22        set_current_state(TASK_INTERRUPTIBLE); \
  23        if (test) \
  24                schedule(); \
  25        remove_wait_queue(queue, wait); \
  26        set_current_state(TASK_RUNNING); \
  27        if (signal_pending(current)) \
  28                break; \
  29}
  30
  31#define SE401_REQ_GET_CAMERA_DESCRIPTOR         0x06
  32#define SE401_REQ_START_CONTINUOUS_CAPTURE      0x41
  33#define SE401_REQ_STOP_CONTINUOUS_CAPTURE       0x42
  34#define SE401_REQ_CAPTURE_FRAME                 0x43
  35#define SE401_REQ_GET_BRT                       0x44
  36#define SE401_REQ_SET_BRT                       0x45
  37#define SE401_REQ_GET_WIDTH                     0x4c
  38#define SE401_REQ_SET_WIDTH                     0x4d
  39#define SE401_REQ_GET_HEIGHT                    0x4e
  40#define SE401_REQ_SET_HEIGHT                    0x4f
  41#define SE401_REQ_GET_OUTPUT_MODE               0x50
  42#define SE401_REQ_SET_OUTPUT_MODE               0x51
  43#define SE401_REQ_GET_EXT_FEATURE               0x52
  44#define SE401_REQ_SET_EXT_FEATURE               0x53
  45#define SE401_REQ_CAMERA_POWER                  0x56
  46#define SE401_REQ_LED_CONTROL                   0x57
  47#define SE401_REQ_BIOS                          0xff
  48
  49#define SE401_BIOS_READ                         0x07
  50
  51#define SE401_FORMAT_BAYER      0x40
  52
  53/* Hyundai hv7131b registers
  54   7121 and 7141 should be the same (haven't really checked...) */
  55/* Mode registers: */
  56#define HV7131_REG_MODE_A               0x00
  57#define HV7131_REG_MODE_B               0x01
  58#define HV7131_REG_MODE_C               0x02
  59/* Frame registers: */
  60#define HV7131_REG_FRSU         0x10
  61#define HV7131_REG_FRSL         0x11
  62#define HV7131_REG_FCSU         0x12
  63#define HV7131_REG_FCSL         0x13
  64#define HV7131_REG_FWHU         0x14
  65#define HV7131_REG_FWHL         0x15
  66#define HV7131_REG_FWWU         0x16
  67#define HV7131_REG_FWWL         0x17
  68/* Timing registers: */
  69#define HV7131_REG_THBU         0x20
  70#define HV7131_REG_THBL         0x21
  71#define HV7131_REG_TVBU         0x22
  72#define HV7131_REG_TVBL         0x23
  73#define HV7131_REG_TITU         0x25
  74#define HV7131_REG_TITM         0x26
  75#define HV7131_REG_TITL         0x27
  76#define HV7131_REG_TMCD         0x28
  77/* Adjust Registers: */
  78#define HV7131_REG_ARLV         0x30
  79#define HV7131_REG_ARCG         0x31
  80#define HV7131_REG_AGCG         0x32
  81#define HV7131_REG_ABCG         0x33
  82#define HV7131_REG_APBV         0x34
  83#define HV7131_REG_ASLP         0x54
  84/* Offset Registers: */
  85#define HV7131_REG_OFSR         0x50
  86#define HV7131_REG_OFSG         0x51
  87#define HV7131_REG_OFSB         0x52
  88/* REset level statistics registers: */
  89#define HV7131_REG_LOREFNOH     0x57
  90#define HV7131_REG_LOREFNOL     0x58
  91#define HV7131_REG_HIREFNOH     0x59
  92#define HV7131_REG_HIREFNOL     0x5a
  93
  94/* se401 registers */
  95#define SE401_OPERATINGMODE     0x2000
  96
  97
  98/* size of usb transfers */
  99#define SE401_PACKETSIZE        4096
 100/* number of queued bulk transfers to use, should be about 8 */
 101#define SE401_NUMSBUF           1
 102/* read the usb specs for this one :) */
 103#define SE401_VIDEO_ENDPOINT    1
 104#define SE401_BUTTON_ENDPOINT   2
 105/* number of frames supported by the v4l part */
 106#define SE401_NUMFRAMES         2
 107/* scratch buffers for passing data to the decoders */
 108#define SE401_NUMSCRATCH        32
 109/* maximum amount of data in a JangGu packet */
 110#define SE401_VLCDATALEN        1024
 111/* number of nul sized packets to receive before kicking the camera */
 112#define SE401_MAX_NULLPACKETS   4000
 113/* number of decoding errors before kicking the camera */
 114#define SE401_MAX_ERRORS        200
 115
 116struct usb_device;
 117
 118struct se401_sbuf {
 119        unsigned char *data;
 120};
 121
 122enum {
 123        FRAME_UNUSED,           /* Unused (no MCAPTURE) */
 124        FRAME_READY,            /* Ready to start grabbing */
 125        FRAME_GRABBING,         /* In the process of being grabbed into */
 126        FRAME_DONE,             /* Finished grabbing, but not been synced yet */
 127        FRAME_ERROR,            /* Something bad happened while processing */
 128};
 129
 130enum {
 131        FMT_BAYER,
 132        FMT_JANGGU,
 133};
 134
 135enum {
 136        BUFFER_UNUSED,
 137        BUFFER_READY,
 138        BUFFER_BUSY,
 139        BUFFER_DONE,
 140};
 141
 142struct se401_scratch {
 143        unsigned char *data;
 144        volatile int state;
 145        int offset;
 146        int length;
 147};
 148
 149struct se401_frame {
 150        unsigned char *data;            /* Frame buffer */
 151
 152        volatile int grabstate; /* State of grabbing */
 153
 154        unsigned char *curline;
 155        int curlinepix;
 156        int curpix;
 157};
 158
 159struct usb_se401 {
 160        struct video_device vdev;
 161
 162        /* Device structure */
 163        struct usb_device *dev;
 164
 165        unsigned char iface;
 166
 167        char *camera_name;
 168
 169        int change;
 170        int brightness;
 171        int hue;
 172        int rgain;
 173        int ggain;
 174        int bgain;
 175        int expose_h;
 176        int expose_m;
 177        int expose_l;
 178        int resetlevel;
 179        
 180        int enhance;
 181
 182        int format;
 183        int sizes;
 184        int *width;
 185        int *height;
 186        int cwidth;             /* current width */
 187        int cheight;            /* current height */
 188        int palette;
 189        int maxframesize;
 190        int cframesize;         /* current framesize */
 191
 192        struct semaphore lock;
 193        int user;               /* user count for exclusive use */
 194        int removed;            /* device disconnected */
 195
 196        int streaming;          /* Are we streaming video? */
 197
 198        char *fbuf;             /* Videodev buffer area */
 199
 200        struct urb *urb[SE401_NUMSBUF];
 201        struct urb *inturb;
 202        
 203        int button;
 204        int buttonpressed;
 205
 206        int curframe;           /* Current receiving frame */
 207        struct se401_frame frame[SE401_NUMFRAMES];      
 208        int readcount;
 209        int framecount;
 210        int error;
 211        int dropped;
 212
 213        int scratch_next;
 214        int scratch_use;
 215        int scratch_overflow;
 216        struct se401_scratch scratch[SE401_NUMSCRATCH];
 217
 218        /* Decoder specific data: */
 219        unsigned char vlcdata[SE401_VLCDATALEN];
 220        int vlcdatapos;
 221        int bayeroffset;
 222
 223        struct se401_sbuf sbuf[SE401_NUMSBUF];
 224
 225        wait_queue_head_t wq;   /* Processes waiting */
 226
 227        /* proc interface */
 228        struct proc_dir_entry *proc_entry;      /* /proc/se401/videoX */
 229
 230        int nullpackets;
 231};
 232
 233static inline void usb_se401_remove_disconnected (struct usb_se401 *se401);
 234
 235
 236#endif
 237
 238