err.no Git - linux-2.6/blob - drivers/media/video/gspca/mars.c

   1 /*
   2  *              Mars-Semi MR97311A library
   3  *              Copyright (C) 2005 <bradlch@hotmail.com>
   4  *
   5  * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  20  */
  21
  22 #define MODULE_NAME "mars"
  23
  24 #include "gspca.h"
  25 #include "jpeg.h"
  26
  27 #define DRIVER_VERSION_NUMBER   KERNEL_VERSION(2, 1, 5)
  28 static const char version[] = "2.1.5";
  29
  30 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
  31 MODULE_DESCRIPTION("GSPCA/Mars USB Camera Driver");
  32 MODULE_LICENSE("GPL");
  33
  34 /* specific webcam descriptor */
  35 struct sd {
  36         struct gspca_dev gspca_dev;     /* !! must be the first item */
  37
  38         char qindex;
  39 };
  40
  41 /* V4L2 controls supported by the driver */
  42 static struct ctrl sd_ctrls[] = {
  43 };
  44
  45 static struct v4l2_pix_format vga_mode[] = {
  46         {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
  47                 .bytesperline = 320,
  48                 .sizeimage = 320 * 240 * 3 / 8 + 589,
  49                 .colorspace = V4L2_COLORSPACE_JPEG,
  50                 .priv = 2},
  51         {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
  52                 .bytesperline = 640,
  53                 .sizeimage = 640 * 480 * 3 / 8 + 590,
  54                 .colorspace = V4L2_COLORSPACE_JPEG,
  55                 .priv = 1},
  56 };
  57
  58 /* MI Register table //elvis */
  59 enum {
  60         REG_HW_MI_0,
  61         REG_HW_MI_1,
  62         REG_HW_MI_2,
  63         REG_HW_MI_3,
  64         REG_HW_MI_4,
  65         REG_HW_MI_5,
  66         REG_HW_MI_6,
  67         REG_HW_MI_7,
  68         REG_HW_MI_9 = 0x09,
  69         REG_HW_MI_B = 0x0B,
  70         REG_HW_MI_C,
  71         REG_HW_MI_D,
  72         REG_HW_MI_1E = 0x1E,
  73         REG_HW_MI_20 = 0x20,
  74         REG_HW_MI_2B = 0x2B,
  75         REG_HW_MI_2C,
  76         REG_HW_MI_2D,
  77         REG_HW_MI_2E,
  78         REG_HW_MI_35 = 0x35,
  79         REG_HW_MI_5F = 0x5f,
  80         REG_HW_MI_60,
  81         REG_HW_MI_61,
  82         REG_HW_MI_62,
  83         REG_HW_MI_63,
  84         REG_HW_MI_64,
  85         REG_HW_MI_F1 = 0xf1,
  86         ATTR_TOTAL_MI_REG = 242
  87 };
  88
  89 static int pcam_reg_write(struct usb_device *dev,
  90                           __u16 index, __u8 *value, int len)
  91 {
  92         int rc;
  93
  94         rc = usb_control_msg(dev,
  95                          usb_sndbulkpipe(dev, 4),
  96                          0x12,
  97 /*              ?? 0xc8 = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_??? !? */
  98                          0xc8,
  99                          0,             /* value */
 100                          index, value, len, 500);
 101         if (rc < 0)
 102                 PDEBUG(D_ERR, "reg write [%02x] error %d", index, rc);
 103         return rc;
 104 }
 105
 106 static void MISensor_BulkWrite(struct usb_device *dev,
 107                                 unsigned short *pch,
 108                                 char Address)
 109 {
 110         __u8 data[6];
 111
 112         data[0] = 0x1f;
 113         data[1] = 0;                    /* control byte */
 114         data[2] = Address;
 115         data[3] = *pch >> 8;            /* high byte */
 116         data[4] = *pch;                 /* low byte */
 117
 118         pcam_reg_write(dev, Address, data, 5);
 119 }
 120
 121 /* this function is called at probe time */
 122 static int sd_config(struct gspca_dev *gspca_dev,
 123                         const struct usb_device_id *id)
 124 {
 125         struct sd *sd = (struct sd *) gspca_dev;
 126         struct cam *cam;
 127
 128         cam = &gspca_dev->cam;
 129         cam->dev_name = (char *) id->driver_info;
 130         cam->epaddr = 0x01;
 131         cam->cam_mode = vga_mode;
 132         cam->nmodes = sizeof vga_mode / sizeof vga_mode[0];
 133         sd->qindex = 1;                 /* set the quantization table */
 134         return 0;
 135 }
 136
 137 /* this function is called at open time */
 138 static int sd_open(struct gspca_dev *gspca_dev)
 139 {
 140         return 0;
 141 }
 142
 143 static void sd_start(struct gspca_dev *gspca_dev)
 144 {
 145         struct usb_device *dev = gspca_dev->dev;
 146         int err_code;
 147         __u8 data[12];
 148         __u16 MI_buf[242];
 149         int h_size, v_size;
 150         int intpipe;
 151 /*      struct usb_device *dev = pcam->dev; */
 152
 153         memset(data, 0, sizeof data);
 154         memset(MI_buf, 0, sizeof MI_buf);
 155
 156         PDEBUG(D_STREAM, "camera start, iface %d, alt 8", gspca_dev->iface);
 157         if (usb_set_interface(dev, gspca_dev->iface, 8) < 0) {
 158                 PDEBUG(D_ERR|D_STREAM, "Set packet size: set interface error");
 159                 return;
 160         }
 161
 162         data[0] = 0x01;         /* address */
 163         data[1] = 0x01;
 164
 165         err_code = pcam_reg_write(dev, data[0], data, 2);
 166         if (err_code < 0)
 167                 return;
 168
 169         /*
 170            Initialize the MR97113 chip register
 171          */
 172         data[0] = 0x00;         /* address */
 173         data[1] = 0x0c | 0x01;  /* reg 0 */
 174         data[2] = 0x01;         /* reg 1 */
 175         h_size = gspca_dev->width;
 176         v_size = gspca_dev->height;
 177         data[3] = h_size / 8;   /* h_size , reg 2 */
 178         data[4] = v_size / 8;   /* v_size , reg 3 */
 179         data[5] = 0x30;         /* reg 4, MI, PAS5101 :
 180                                  *      0x30 for 24mhz , 0x28 for 12mhz */
 181         data[6] = 4;            /* reg 5, H start */
 182         data[7] = 0xc0;         /* reg 6, gamma 1.5 */
 183         data[8] = 3;            /* reg 7, V start */
 184 /*      if(h_size == 320 ) */
 185 /*              data[9]= 0x56;   * reg 8, 24MHz, 2:1 scale down */
 186 /*      else */
 187         data[9] = 0x52;         /* reg 8, 24MHz, no scale down */
 188         data[10] = 0x5d;        /* reg 9, I2C device address
 189                                  *      [for PAS5101 (0x40)] [for MI (0x5d)] */
 190
 191         err_code = pcam_reg_write(dev, data[0], data, 11);
 192         if (err_code < 0)
 193                 return;
 194
 195         data[0] = 0x23;         /* address */
 196         data[1] = 0x09;         /* reg 35, append frame header */
 197
 198         err_code = pcam_reg_write(dev, data[0], data, 2);
 199         if (err_code < 0) {
 200                 PDEBUG(D_ERR, "Register write failed");
 201                 return;
 202         }
 203
 204         data[0] = 0x3C;         /* address */
 205 /*      if (pcam->width == 1280) */
 206 /*              data[1] = 200;   * reg 60, pc-cam frame size
 207                                  *      (unit: 4KB) 800KB */
 208 /*      else */
 209         data[1] = 50;           /* 50 reg 60, pc-cam frame size
 210                                  *      (unit: 4KB) 200KB */
 211         err_code = pcam_reg_write(dev, data[0], data, 2);
 212         if (err_code < 0)
 213                 return;
 214
 215         if (0) {                        /* fixed dark-gain */
 216                 data[1] = 0;            /* reg 94, Y Gain (1.75) */
 217                 data[2] = 0;            /* reg 95, UV Gain (1.75) */
 218                 data[3] = 0x3f;         /* reg 96, Y Gain/UV Gain/disable
 219                                          *      auto dark-gain */
 220                 data[4] = 0;            /* reg 97, set fixed dark level */
 221                 data[5] = 0;            /* reg 98, don't care */
 222         } else {                        /* auto dark-gain */
 223                 data[1] = 0;            /* reg 94, Y Gain (auto) */
 224                 data[2] = 0;            /* reg 95, UV Gain (1.75) */
 225                 data[3] = 0x78;         /* reg 96, Y Gain/UV Gain/disable
 226                                          *      auto dark-gain */
 227                 switch (gspca_dev->width) {
 228 /*              case 1280: */
 229 /*                      data[4] = 154;
 230                                  * reg 97, %3 shadow point (unit: 256 pixel) */
 231 /*                      data[5] = 51;
 232                                  * reg 98, %1 highlight point
 233                                  *      (uint: 256 pixel) */
 234 /*                      break; */
 235                 default:
 236 /*              case 640: */
 237                         data[4] = 36;   /* reg 97, %3 shadow point
 238                                          *      (unit: 256 pixel) */
 239                         data[5] = 12;   /* reg 98, %1 highlight point
 240                                          *      (uint: 256 pixel) */
 241                         break;
 242                 case 320:
 243                         data[4] = 9;    /* reg 97, %3 shadow point
 244                                          *      (unit: 256 pixel) */
 245                         data[5] = 3;    /* reg 98, %1 highlight point
 246                                          *      (uint: 256 pixel) */
 247                         break;
 248                 }
 249         }
 250         /* auto dark-gain */
 251         data[0] = 0x5e;         /* address */
 252
 253         err_code = pcam_reg_write(dev, data[0], data, 6);
 254         if (err_code < 0)
 255                 return;
 256
 257         data[0] = 0x67;
 258         data[1] = 0x13;         /* reg 103, first pixel B, disable sharpness */
 259         err_code = pcam_reg_write(dev, data[0], data, 2);
 260         if (err_code < 0)
 261                 return;
 262
 263         /*
 264          * initialize the value of MI sensor...
 265          */
 266         MI_buf[REG_HW_MI_1] = 0x000a;
 267         MI_buf[REG_HW_MI_2] = 0x000c;
 268         MI_buf[REG_HW_MI_3] = 0x0405;
 269         MI_buf[REG_HW_MI_4] = 0x0507;
 270         /* mi_Attr_Reg_[REG_HW_MI_5]     = 0x01ff;//13 */
 271         MI_buf[REG_HW_MI_5] = 0x0013;   /* 13 */
 272         MI_buf[REG_HW_MI_6] = 0x001f;   /* vertical blanking */
 273         /* mi_Attr_Reg_[REG_HW_MI_6]     = 0x0400;  // vertical blanking */
 274         MI_buf[REG_HW_MI_7] = 0x0002;
 275         /* mi_Attr_Reg_[REG_HW_MI_9]     = 0x015f; */
 276         /* mi_Attr_Reg_[REG_HW_MI_9]     = 0x030f; */
 277         MI_buf[REG_HW_MI_9] = 0x0374;
 278         MI_buf[REG_HW_MI_B] = 0x0000;
 279         MI_buf[REG_HW_MI_C] = 0x0000;
 280         MI_buf[REG_HW_MI_D] = 0x0000;
 281         MI_buf[REG_HW_MI_1E] = 0x8000;
 282 /* mi_Attr_Reg_[REG_HW_MI_20]     = 0x1104; */
 283         MI_buf[REG_HW_MI_20] = 0x1104;  /* 0x111c; */
 284         MI_buf[REG_HW_MI_2B] = 0x0008;
 285 /* mi_Attr_Reg_[REG_HW_MI_2C]     = 0x000f; */
 286         MI_buf[REG_HW_MI_2C] = 0x001f;  /* lita suggest */
 287         MI_buf[REG_HW_MI_2D] = 0x0008;
 288         MI_buf[REG_HW_MI_2E] = 0x0008;
 289         MI_buf[REG_HW_MI_35] = 0x0051;
 290         MI_buf[REG_HW_MI_5F] = 0x0904;  /* fail to write */
 291         MI_buf[REG_HW_MI_60] = 0x0000;
 292         MI_buf[REG_HW_MI_61] = 0x0000;
 293         MI_buf[REG_HW_MI_62] = 0x0498;
 294         MI_buf[REG_HW_MI_63] = 0x0000;
 295         MI_buf[REG_HW_MI_64] = 0x0000;
 296         MI_buf[REG_HW_MI_F1] = 0x0001;
 297         /* changing while setting up the different value of dx/dy */
 298
 299         if (gspca_dev->width != 1280) {
 300                 MI_buf[0x01] = 0x010a;
 301                 MI_buf[0x02] = 0x014c;
 302                 MI_buf[0x03] = 0x01e5;
 303                 MI_buf[0x04] = 0x0287;
 304         }
 305         MI_buf[0x20] = 0x1104;
 306
 307         MISensor_BulkWrite(dev, MI_buf + 1, 1);
 308         MISensor_BulkWrite(dev, MI_buf + 2, 2);
 309         MISensor_BulkWrite(dev, MI_buf + 3, 3);
 310         MISensor_BulkWrite(dev, MI_buf + 4, 4);
 311         MISensor_BulkWrite(dev, MI_buf + 5, 5);
 312         MISensor_BulkWrite(dev, MI_buf + 6, 6);
 313         MISensor_BulkWrite(dev, MI_buf + 7, 7);
 314         MISensor_BulkWrite(dev, MI_buf + 9, 9);
 315         MISensor_BulkWrite(dev, MI_buf + 0x0b, 0x0b);
 316         MISensor_BulkWrite(dev, MI_buf + 0x0c, 0x0c);
 317         MISensor_BulkWrite(dev, MI_buf + 0x0d, 0x0d);
 318         MISensor_BulkWrite(dev, MI_buf + 0x1e, 0x1e);
 319         MISensor_BulkWrite(dev, MI_buf + 0x20, 0x20);
 320         MISensor_BulkWrite(dev, MI_buf + 0x2b, 0x2b);
 321         MISensor_BulkWrite(dev, MI_buf + 0x2c, 0x2c);
 322         MISensor_BulkWrite(dev, MI_buf + 0x2d, 0x2d);
 323         MISensor_BulkWrite(dev, MI_buf + 0x2e, 0x2e);
 324         MISensor_BulkWrite(dev, MI_buf + 0x35, 0x35);
 325         MISensor_BulkWrite(dev, MI_buf + 0x5f, 0x5f);
 326         MISensor_BulkWrite(dev, MI_buf + 0x60, 0x60);
 327         MISensor_BulkWrite(dev, MI_buf + 0x61, 0x61);
 328         MISensor_BulkWrite(dev, MI_buf + 0x62, 0x62);
 329         MISensor_BulkWrite(dev, MI_buf + 0x63, 0x63);
 330         MISensor_BulkWrite(dev, MI_buf + 0x64, 0x64);
 331         MISensor_BulkWrite(dev, MI_buf + 0xf1, 0xf1);
 332
 333         intpipe = usb_sndintpipe(dev, 0);
 334         err_code = usb_clear_halt(dev, intpipe);
 335
 336         data[0] = 0x00;
 337         data[1] = 0x4d;         /* ISOC transfering enable... */
 338         pcam_reg_write(dev, data[0], data, 2);
 339 }
 340
 341 static void sd_stopN(struct gspca_dev *gspca_dev)
 342 {
 343         int result;
 344         __u8 data[2];
 345
 346         data[0] = 1;
 347         data[1] = 0;
 348         result = pcam_reg_write(gspca_dev->dev, data[0], data, 2);
 349         if (result < 0)
 350                 PDEBUG(D_ERR, "Camera Stop failed");
 351 }
 352
 353 static void sd_stop0(struct gspca_dev *gspca_dev)
 354 {
 355 }
 356
 357 static void sd_close(struct gspca_dev *gspca_dev)
 358 {
 359 }
 360
 361 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 362                         struct gspca_frame *frame,      /* target */
 363                         __u8 *data,                     /* isoc packet */
 364                         int len)                        /* iso packet length */
 365 {
 366         struct sd *sd = (struct sd *) gspca_dev;
 367         int p;
 368
 369         if (len < 6) {
 370 /*              gspca_dev->last_packet_type = DISCARD_PACKET; */
 371                 return;
 372         }
 373         for (p = 0; p < len - 6; p++) {
 374                 if (data[0 + p] == 0xff
 375                     && data[1 + p] == 0xff
 376                     && data[2 + p] == 0x00
 377                     && data[3 + p] == 0xff
 378                     && data[4 + p] == 0x96) {
 379                         if (data[5 + p] == 0x64
 380                             || data[5 + p] == 0x65
 381                             || data[5 + p] == 0x66
 382                             || data[5 + p] == 0x67) {
 383                                 PDEBUG(D_PACK, "sof offset: %d leng: %d",
 384                                         p, len);
 385                                 frame = gspca_frame_add(gspca_dev, LAST_PACKET,
 386                                                         frame, data, 0);
 387
 388                                 /* put the JPEG header */
 389                                 jpeg_put_header(gspca_dev, frame,
 390                                                 sd->qindex, 0x21);
 391                                 data += 16;
 392                                 len -= 16;
 393                                 break;
 394                         }
 395                 }
 396         }
 397         gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
 398 }
 399
 400 /* sub-driver description */
 401 static const struct sd_desc sd_desc = {
 402         .name = MODULE_NAME,
 403         .ctrls = sd_ctrls,
 404         .nctrls = ARRAY_SIZE(sd_ctrls),
 405         .config = sd_config,
 406         .open = sd_open,
 407         .start = sd_start,
 408         .stopN = sd_stopN,
 409         .stop0 = sd_stop0,
 410         .close = sd_close,
 411         .pkt_scan = sd_pkt_scan,
 412 };
 413
 414 /* -- module initialisation -- */
 415 #define DVNM(name) .driver_info = (kernel_ulong_t) name
 416 static const __devinitdata struct usb_device_id device_table[] = {
 417         {USB_DEVICE(0x093a, 0x050f), DVNM("Mars-Semi Pc-Camera")},
 418         {}
 419 };
 420 MODULE_DEVICE_TABLE(usb, device_table);
 421
 422 /* -- device connect -- */
 423 static int sd_probe(struct usb_interface *intf,
 424                         const struct usb_device_id *id)
 425 {
 426         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
 427                                 THIS_MODULE);
 428 }
 429
 430 static struct usb_driver sd_driver = {
 431         .name = MODULE_NAME,
 432         .id_table = device_table,
 433         .probe = sd_probe,
 434         .disconnect = gspca_disconnect,
 435 };
 436
 437 /* -- module insert / remove -- */
 438 static int __init sd_mod_init(void)
 439 {
 440         if (usb_register(&sd_driver) < 0)
 441                 return -1;
 442         PDEBUG(D_PROBE, "v%s registered", version);
 443         return 0;
 444 }
 445 static void __exit sd_mod_exit(void)
 446 {
 447         usb_deregister(&sd_driver);
 448         PDEBUG(D_PROBE, "deregistered");
 449 }
 450
 451 module_init(sd_mod_init);
 452 module_exit(sd_mod_exit);