SAFE public projects git trees. - safe/jmp/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, 0)
  28 static const char version[] = "2.1.0";
  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 cam_mode vga_mode[] = {
  46         {V4L2_PIX_FMT_JPEG, 320, 240, 2},
  47         {V4L2_PIX_FMT_JPEG, 640, 480, 1},
  48 };
  49
  50 /* MI Register table //elvis */
  51 enum {
  52         REG_HW_MI_0,
  53         REG_HW_MI_1,
  54         REG_HW_MI_2,
  55         REG_HW_MI_3,
  56         REG_HW_MI_4,
  57         REG_HW_MI_5,
  58         REG_HW_MI_6,
  59         REG_HW_MI_7,
  60         REG_HW_MI_9 = 0x09,
  61         REG_HW_MI_B = 0x0B,
  62         REG_HW_MI_C,
  63         REG_HW_MI_D,
  64         REG_HW_MI_1E = 0x1E,
  65         REG_HW_MI_20 = 0x20,
  66         REG_HW_MI_2B = 0x2B,
  67         REG_HW_MI_2C,
  68         REG_HW_MI_2D,
  69         REG_HW_MI_2E,
  70         REG_HW_MI_35 = 0x35,
  71         REG_HW_MI_5F = 0x5f,
  72         REG_HW_MI_60,
  73         REG_HW_MI_61,
  74         REG_HW_MI_62,
  75         REG_HW_MI_63,
  76         REG_HW_MI_64,
  77         REG_HW_MI_F1 = 0xf1,
  78         ATTR_TOTAL_MI_REG = 242
  79 };
  80
  81 static int pcam_reg_write(struct usb_device *dev,
  82                           __u16 index, unsigned char *value, int length)
  83 {
  84         int rc;
  85
  86         rc = usb_control_msg(dev,
  87                          usb_sndbulkpipe(dev, 4),
  88                          0x12,
  89 /* ?? 0xc8 = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_??? !? */
  90                          0xc8,
  91                          0,             /* value */
  92                          index, value, length, 500);
  93         PDEBUG(D_USBO, "reg write: 0x%02X , result = 0x%x", index, rc);
  94
  95         if (rc < 0)
  96                 PDEBUG(D_ERR, "reg write: error %d", rc);
  97         return rc;
  98 }
  99
 100 static void MISensor_BulkWrite(struct usb_device *dev, unsigned short *pch,
 101                                    char Address)
 102 {
 103         int result;
 104         unsigned char data[6];
 105
 106         data[0] = 0x1f;
 107         data[1] = 0;
 108         data[2] = Address;
 109         data[3] = *pch >> 8;            /* high byte */
 110         data[4] = *pch;                 /* low byte */
 111         data[5] = 0;
 112
 113         result = usb_control_msg(dev,
 114                                  usb_sndbulkpipe(dev, 4),
 115                                  0x12,
 116 /* ?? 0xc8 = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_??? !? */
 117                                  0xc8,
 118                                  0,             /* value */
 119                                  Address,       /* index */
 120                                  data, 5, 500);
 121         PDEBUG(D_USBO, "bulk write 0x%02x = 0x%04x", Address, *pch);
 122
 123         if (result < 0)
 124                 PDEBUG(D_ERR, "reg write: error %d", result);
 125 }
 126
 127 /* this function is called at probe time */
 128 static int sd_config(struct gspca_dev *gspca_dev,
 129                         const struct usb_device_id *id)
 130 {
 131         struct sd *sd = (struct sd *) gspca_dev;
 132         struct cam *cam;
 133
 134         cam = &gspca_dev->cam;
 135         cam->dev_name = (char *) id->driver_info;
 136         cam->epaddr = 0x01;
 137         cam->cam_mode = vga_mode;
 138         cam->nmodes = sizeof vga_mode / sizeof vga_mode[0];
 139         sd->qindex = 1;                 /* set the quantization table */
 140         return 0;
 141 }
 142
 143 /* this function is called at open time */
 144 static int sd_open(struct gspca_dev *gspca_dev)
 145 {
 146         return 0;
 147 }
 148
 149 static void sd_start(struct gspca_dev *gspca_dev)
 150 {
 151         struct usb_device *dev = gspca_dev->dev;
 152         int err_code;
 153         __u8 data[12];
 154         __u16 MI_buf[242];
 155         int h_size, v_size;
 156         int intpipe;
 157         /* struct usb_device *dev = pcam->dev; */
 158         memset(data, 0, sizeof data);
 159         memset(MI_buf, 0, sizeof MI_buf);
 160
 161         PDEBUG(D_STREAM, "camera start, iface %d, alt 8", gspca_dev->iface);
 162         if (usb_set_interface(dev, gspca_dev->iface, 8) < 0) {
 163                 PDEBUG(D_ERR|D_STREAM, "Set packet size: set interface error");
 164                 return;
 165         }
 166
 167         data[0] = 0x01;         /* address */
 168         data[1] = 0x01;
 169
 170         err_code = pcam_reg_write(dev, data[0], data, 0x02);
 171         if (err_code < 0)
 172                 return;
 173
 174         /*
 175            Initialize the MR97113 chip register
 176          */
 177         data[0] = 0x00;         /* address */
 178         data[1] = 0x0c | 0x01;  /* reg 0 */
 179         data[2] = 0x01;         /* reg 1 */
 180         h_size = gspca_dev->width;
 181         v_size = gspca_dev->height;
 182         data[3] = h_size / 8;   /* h_size , reg 2 */
 183         data[4] = v_size / 8;   /* v_size , reg 3 */
 184         data[5] = 0x30;         /* reg 4, MI, PAS5101 :
 185                                  *      0x30 for 24mhz , 0x28 for 12mhz */
 186         data[6] = 4;            /* reg 5, H start */
 187         data[7] = 0xc0;         /* reg 6, gamma 1.5 */
 188         data[8] = 3;            /* reg 7, V start */
 189 /*      if(h_size == 320 ) */
 190 /*              data[9]= 0x56;   * reg 8, 24MHz, 2:1 scale down */
 191 /*      else */
 192         data[9] = 0x52;         /* reg 8, 24MHz, no scale down */
 193         data[10] = 0x5d;        /* reg 9, I2C device address
 194                                  *      [for PAS5101 (0x40)] [for MI (0x5d)] */
 195
 196         err_code = pcam_reg_write(dev, data[0], data, 0x0b);
 197         if (err_code < 0)
 198                 return;
 199
 200         data[0] = 0x23;         /* address */
 201         data[1] = 0x09;         /* reg 35, append frame header */
 202
 203         err_code = pcam_reg_write(dev, data[0], data, 0x02);
 204         if (err_code < 0) {
 205                 PDEBUG(D_ERR, "Register write failed");
 206                 return;
 207         }
 208
 209         data[0] = 0x3C;         /* address */
 210 /*      if (pcam->width == 1280) */
 211 /*              data[1] = 200;   * reg 60, pc-cam frame size
 212                                  *      (unit: 4KB) 800KB */
 213 /*      else */
 214         data[1] = 50;           /* 50 reg 60, pc-cam frame size
 215                                  *      (unit: 4KB) 200KB */
 216         err_code = pcam_reg_write(dev, data[0], data, 0x02);
 217         if (err_code < 0)
 218                 return;
 219
 220         if (0) {                        /* fixed dark-gain */
 221                 data[1] = 0;            /* reg 94, Y Gain (1.75) */
 222                 data[2] = 0;            /* reg 95, UV Gain (1.75) */
 223                 data[3] = 0x3f;         /* reg 96, Y Gain/UV Gain/disable auto dark-gain */
 224                 data[4] = 0;            /* reg 97, set fixed dark level */
 225                 data[5] = 0;            /* reg 98, don't care */
 226         } else {                        /* auto dark-gain */
 227                 data[1] = 0;            /* reg 94, Y Gain (auto) */
 228                 data[2] = 0;            /* reg 95, UV Gain (1.75) */
 229                 data[3] = 0x78;         /* reg 96, Y Gain/UV Gain/disable auto dark-gain */
 230                 switch (gspca_dev->width) {
 231 /*              case 1280: */
 232 /*                      data[4] = 154;
 233                                  * reg 97, %3 shadow point (unit: 256 pixel) */
 234 /*                      data[5] = 51;
 235                                  * reg 98, %1 highlight point
 236                                  *      (uint: 256 pixel) */
 237 /*                      break; */
 238                 default:
 239 /*              case 640: */
 240                         data[4] = 36;   /* reg 97, %3 shadow point
 241                                          *      (unit: 256 pixel) */
 242                         data[5] = 12;   /* reg 98, %1 highlight point
 243                                          *      (uint: 256 pixel) */
 244                         break;
 245                 case 320:
 246                         data[4] = 9;    /* reg 97, %3 shadow point
 247                                          *      (unit: 256 pixel) */
 248                         data[5] = 3;    /* reg 98, %1 highlight point
 249                                          *      (uint: 256 pixel) */
 250                         break;
 251                 }
 252         }
 253         /* auto dark-gain */
 254         data[0] = 0x5e;         /* address */
 255
 256         err_code = pcam_reg_write(dev, data[0], data, 0x06);
 257         if (err_code < 0)
 258                 return;
 259
 260         data[0] = 0x67;
 261         data[1] = 0x13;         /* reg 103, first pixel B, disable sharpness */
 262         err_code = pcam_reg_write(dev, data[0], data, 0x02);
 263         if (err_code < 0)
 264                 return;
 265
 266         /*
 267          * initialize the value of MI sensor...
 268          */
 269         MI_buf[REG_HW_MI_1] = 0x000a;
 270         MI_buf[REG_HW_MI_2] = 0x000c;
 271         MI_buf[REG_HW_MI_3] = 0x0405;
 272         MI_buf[REG_HW_MI_4] = 0x0507;
 273         /* mi_Attr_Reg_[REG_HW_MI_5]     = 0x01ff;//13 */
 274         MI_buf[REG_HW_MI_5] = 0x0013;   /* 13 */
 275         MI_buf[REG_HW_MI_6] = 0x001f;   /* vertical blanking */
 276         /* mi_Attr_Reg_[REG_HW_MI_6]     = 0x0400;  // vertical blanking */
 277         MI_buf[REG_HW_MI_7] = 0x0002;
 278         /* mi_Attr_Reg_[REG_HW_MI_9]     = 0x015f; */
 279         /* mi_Attr_Reg_[REG_HW_MI_9]     = 0x030f; */
 280         MI_buf[REG_HW_MI_9] = 0x0374;
 281         MI_buf[REG_HW_MI_B] = 0x0000;
 282         MI_buf[REG_HW_MI_C] = 0x0000;
 283         MI_buf[REG_HW_MI_D] = 0x0000;
 284         MI_buf[REG_HW_MI_1E] = 0x8000;
 285 /* mi_Attr_Reg_[REG_HW_MI_20]     = 0x1104; */
 286         MI_buf[REG_HW_MI_20] = 0x1104;  /* 0x111c; */
 287         MI_buf[REG_HW_MI_2B] = 0x0008;
 288 /* mi_Attr_Reg_[REG_HW_MI_2C]     = 0x000f; */
 289         MI_buf[REG_HW_MI_2C] = 0x001f;  /* lita suggest */
 290         MI_buf[REG_HW_MI_2D] = 0x0008;
 291         MI_buf[REG_HW_MI_2E] = 0x0008;
 292         MI_buf[REG_HW_MI_35] = 0x0051;
 293         MI_buf[REG_HW_MI_5F] = 0x0904;  /* fail to write */
 294         MI_buf[REG_HW_MI_60] = 0x0000;
 295         MI_buf[REG_HW_MI_61] = 0x0000;
 296         MI_buf[REG_HW_MI_62] = 0x0498;
 297         MI_buf[REG_HW_MI_63] = 0x0000;
 298         MI_buf[REG_HW_MI_64] = 0x0000;
 299         MI_buf[REG_HW_MI_F1] = 0x0001;
 300         /* changing while setting up the different value of dx/dy */
 301
 302         if (gspca_dev->width != 1280) {
 303                 MI_buf[0x01] = 0x010a;
 304                 MI_buf[0x02] = 0x014c;
 305                 MI_buf[0x03] = 0x01e5;
 306                 MI_buf[0x04] = 0x0287;
 307         }
 308         MI_buf[0x20] = 0x1104;
 309
 310         MISensor_BulkWrite(dev, MI_buf + 1, 1);
 311         MISensor_BulkWrite(dev, MI_buf + 2, 2);
 312         MISensor_BulkWrite(dev, MI_buf + 3, 3);
 313         MISensor_BulkWrite(dev, MI_buf + 4, 4);
 314         MISensor_BulkWrite(dev, MI_buf + 5, 5);
 315         MISensor_BulkWrite(dev, MI_buf + 6, 6);
 316         MISensor_BulkWrite(dev, MI_buf + 7, 7);
 317         MISensor_BulkWrite(dev, MI_buf + 9, 9);
 318         MISensor_BulkWrite(dev, MI_buf + 0x0b, 0x0b);
 319         MISensor_BulkWrite(dev, MI_buf + 0x0c, 0x0c);
 320         MISensor_BulkWrite(dev, MI_buf + 0x0d, 0x0d);
 321         MISensor_BulkWrite(dev, MI_buf + 0x1e, 0x1e);
 322         MISensor_BulkWrite(dev, MI_buf + 0x20, 0x20);
 323         MISensor_BulkWrite(dev, MI_buf + 0x2b, 0x2b);
 324         MISensor_BulkWrite(dev, MI_buf + 0x2c, 0x2c);
 325         MISensor_BulkWrite(dev, MI_buf + 0x2d, 0x2d);
 326         MISensor_BulkWrite(dev, MI_buf + 0x2e, 0x2e);
 327         MISensor_BulkWrite(dev, MI_buf + 0x35, 0x35);
 328         MISensor_BulkWrite(dev, MI_buf + 0x5f, 0x5f);
 329         MISensor_BulkWrite(dev, MI_buf + 0x60, 0x60);
 330         MISensor_BulkWrite(dev, MI_buf + 0x61, 0x61);
 331         MISensor_BulkWrite(dev, MI_buf + 0x62, 0x62);
 332         MISensor_BulkWrite(dev, MI_buf + 0x63, 0x63);
 333         MISensor_BulkWrite(dev, MI_buf + 0x64, 0x64);
 334         MISensor_BulkWrite(dev, MI_buf + 0xf1, 0xf1);
 335
 336         intpipe = usb_sndintpipe(dev, 0);
 337         err_code = usb_clear_halt(dev, intpipe);
 338
 339         data[0] = 0x00;
 340         data[1] = 0x4d;         /* ISOC transfering enable... */
 341         pcam_reg_write(dev, data[0], data, 0x02);
 342 }
 343
 344 static void sd_stopN(struct gspca_dev *gspca_dev)
 345 {
 346         int result;
 347         __u8 data[2];
 348
 349         data[0] = 1;
 350         data[1] = 0;
 351         result = pcam_reg_write(gspca_dev->dev, data[0], data, 2);
 352         if (result < 0)
 353                 PDEBUG(D_ERR, "Camera Stop failed");
 354 }
 355
 356 static void sd_stop0(struct gspca_dev *gspca_dev)
 357 {
 358 }
 359
 360 static void sd_close(struct gspca_dev *gspca_dev)
 361 {
 362 }
 363
 364 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 365                         struct gspca_frame *frame,      /* target */
 366                         unsigned char *data,            /* isoc packet */
 367                         int len)                        /* iso packet length */
 368 {
 369         struct sd *sd = (struct sd *) gspca_dev;
 370         int p;
 371
 372         if (len < 6) {
 373 /*              gspca_dev->last_packet_type = DISCARD_PACKET; */
 374                 return;
 375         }
 376         for (p = 0; p < len - 6; p++) {
 377                 if (data[0 + p] == 0xff
 378                     && data[1 + p] == 0xff
 379                     && data[2 + p] == 0x00
 380                     && data[3 + p] == 0xff
 381                     && data[4 + p] == 0x96) {
 382                         if (data[5 + p] == 0x64
 383                             || data[5 + p] == 0x65
 384                             || data[5 + p] == 0x66
 385                             || data[5 + p] == 0x67) {
 386                                 PDEBUG(D_PACK, "sof offset: %d leng: %d",
 387                                         p, len);
 388                                 frame = gspca_frame_add(gspca_dev, LAST_PACKET,
 389                                                         frame, data, 0);
 390
 391                                 /* put the JPEG header */
 392                                 jpeg_put_header(gspca_dev, frame,
 393                                                 sd->qindex, 0x21);
 394                                 data += 16;
 395                                 len -= 16;
 396                                 break;
 397                         }
 398                 }
 399         }
 400         gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
 401 }
 402
 403 /* sub-driver description */
 404 static struct sd_desc sd_desc = {
 405         .name = MODULE_NAME,
 406         .ctrls = sd_ctrls,
 407         .nctrls = ARRAY_SIZE(sd_ctrls),
 408         .config = sd_config,
 409         .open = sd_open,
 410         .start = sd_start,
 411         .stopN = sd_stopN,
 412         .stop0 = sd_stop0,
 413         .close = sd_close,
 414         .pkt_scan = sd_pkt_scan,
 415 };
 416
 417 /* -- module initialisation -- */
 418 #define DVNM(name) .driver_info = (kernel_ulong_t) name
 419 static __devinitdata struct usb_device_id device_table[] = {
 420         {USB_DEVICE(0x093a, 0x050f), DVNM("Mars-Semi Pc-Camera")},
 421         {}
 422 };
 423 MODULE_DEVICE_TABLE(usb, device_table);
 424
 425 /* -- device connect -- */
 426 static int sd_probe(struct usb_interface *intf,
 427                         const struct usb_device_id *id)
 428 {
 429         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
 430                                 THIS_MODULE);
 431 }
 432
 433 static struct usb_driver sd_driver = {
 434         .name = MODULE_NAME,
 435         .id_table = device_table,
 436         .probe = sd_probe,
 437         .disconnect = gspca_disconnect,
 438 };
 439
 440 /* -- module insert / remove -- */
 441 static int __init sd_mod_init(void)
 442 {
 443         if (usb_register(&sd_driver) < 0)
 444                 return -1;
 445         PDEBUG(D_PROBE, "v%s registered", version);
 446         return 0;
 447 }
 448 static void __exit sd_mod_exit(void)
 449 {
 450         usb_deregister(&sd_driver);
 451         PDEBUG(D_PROBE, "deregistered");
 452 }
 453
 454 module_init(sd_mod_init);
 455 module_exit(sd_mod_exit);