drivers/media/video/gspca/sn9c2028.c

   1 /*
   2  * SN9C2028 library
   3  *
   4  * Copyright (C) 2009 Theodore Kilgore <kilgota@auburn.edu>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19  */
  20
  21 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  22
  23 #define MODULE_NAME "sn9c2028"
  24
  25 #include "gspca.h"
  26
  27 MODULE_AUTHOR("Theodore Kilgore");
  28 MODULE_DESCRIPTION("Sonix SN9C2028 USB Camera Driver");
  29 MODULE_LICENSE("GPL");
  30
  31 /* specific webcam descriptor */
  32 struct sd {
  33         struct gspca_dev gspca_dev;  /* !! must be the first item */
  34         u8 sof_read;
  35         u16 model;
  36 };
  37
  38 struct init_command {
  39         unsigned char instruction[6];
  40         unsigned char to_read; /* length to read. 0 means no reply requested */
  41 };
  42
  43 /* V4L2 controls supported by the driver */
  44 static const struct ctrl sd_ctrls[] = {
  45 };
  46
  47 /* How to change the resolution of any of the VGA cams is unknown */
  48 static const struct v4l2_pix_format vga_mode[] = {
  49         {640, 480, V4L2_PIX_FMT_SN9C2028, V4L2_FIELD_NONE,
  50                 .bytesperline = 640,
  51                 .sizeimage = 640 * 480 * 3 / 4,
  52                 .colorspace = V4L2_COLORSPACE_SRGB,
  53                 .priv = 0},
  54 };
  55
  56 /* No way to change the resolution of the CIF cams is known */
  57 static const struct v4l2_pix_format cif_mode[] = {
  58         {352, 288, V4L2_PIX_FMT_SN9C2028, V4L2_FIELD_NONE,
  59                 .bytesperline = 352,
  60                 .sizeimage = 352 * 288 * 3 / 4,
  61                 .colorspace = V4L2_COLORSPACE_SRGB,
  62                 .priv = 0},
  63 };
  64
  65 /* the bytes to write are in gspca_dev->usb_buf */
  66 static int sn9c2028_command(struct gspca_dev *gspca_dev, u8 *command)
  67 {
  68         int rc;
  69
  70         PDEBUG(D_USBO, "sending command %02x%02x%02x%02x%02x%02x", command[0],
  71                command[1], command[2], command[3], command[4], command[5]);
  72
  73         memcpy(gspca_dev->usb_buf, command, 6);
  74         rc = usb_control_msg(gspca_dev->dev,
  75                         usb_sndctrlpipe(gspca_dev->dev, 0),
  76                         USB_REQ_GET_CONFIGURATION,
  77                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
  78                         2, 0, gspca_dev->usb_buf, 6, 500);
  79         if (rc < 0) {
  80                 pr_err("command write [%02x] error %d\n",
  81                        gspca_dev->usb_buf[0], rc);
  82                 return rc;
  83         }
  84
  85         return 0;
  86 }
  87
  88 static int sn9c2028_read1(struct gspca_dev *gspca_dev)
  89 {
  90         int rc;
  91
  92         rc = usb_control_msg(gspca_dev->dev,
  93                         usb_rcvctrlpipe(gspca_dev->dev, 0),
  94                         USB_REQ_GET_STATUS,
  95                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
  96                         1, 0, gspca_dev->usb_buf, 1, 500);
  97         if (rc != 1) {
  98                 pr_err("read1 error %d\n", rc);
  99                 return (rc < 0) ? rc : -EIO;
 100         }
 101         PDEBUG(D_USBI, "read1 response %02x", gspca_dev->usb_buf[0]);
 102         return gspca_dev->usb_buf[0];
 103 }
 104
 105 static int sn9c2028_read4(struct gspca_dev *gspca_dev, u8 *reading)
 106 {
 107         int rc;
 108         rc = usb_control_msg(gspca_dev->dev,
 109                         usb_rcvctrlpipe(gspca_dev->dev, 0),
 110                         USB_REQ_GET_STATUS,
 111                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
 112                         4, 0, gspca_dev->usb_buf, 4, 500);
 113         if (rc != 4) {
 114                 pr_err("read4 error %d\n", rc);
 115                 return (rc < 0) ? rc : -EIO;
 116         }
 117         memcpy(reading, gspca_dev->usb_buf, 4);
 118         PDEBUG(D_USBI, "read4 response %02x%02x%02x%02x", reading[0],
 119                reading[1], reading[2], reading[3]);
 120         return rc;
 121 }
 122
 123 static int sn9c2028_long_command(struct gspca_dev *gspca_dev, u8 *command)
 124 {
 125         int i, status;
 126         __u8 reading[4];
 127
 128         status = sn9c2028_command(gspca_dev, command);
 129         if (status < 0)
 130                 return status;
 131
 132         status = -1;
 133         for (i = 0; i < 256 && status < 2; i++)
 134                 status = sn9c2028_read1(gspca_dev);
 135         if (status != 2) {
 136                 pr_err("long command status read error %d\n", status);
 137                 return (status < 0) ? status : -EIO;
 138         }
 139
 140         memset(reading, 0, 4);
 141         status = sn9c2028_read4(gspca_dev, reading);
 142         if (status < 0)
 143                 return status;
 144
 145         /* in general, the first byte of the response is the first byte of
 146          * the command, or'ed with 8 */
 147         status = sn9c2028_read1(gspca_dev);
 148         if (status < 0)
 149                 return status;
 150
 151         return 0;
 152 }
 153
 154 static int sn9c2028_short_command(struct gspca_dev *gspca_dev, u8 *command)
 155 {
 156         int err_code;
 157
 158         err_code = sn9c2028_command(gspca_dev, command);
 159         if (err_code < 0)
 160                 return err_code;
 161
 162         err_code = sn9c2028_read1(gspca_dev);
 163         if (err_code < 0)
 164                 return err_code;
 165
 166         return 0;
 167 }
 168
 169 /* this function is called at probe time */
 170 static int sd_config(struct gspca_dev *gspca_dev,
 171                      const struct usb_device_id *id)
 172 {
 173         struct sd *sd = (struct sd *) gspca_dev;
 174         struct cam *cam = &gspca_dev->cam;
 175
 176         PDEBUG(D_PROBE, "SN9C2028 camera detected (vid/pid 0x%04X:0x%04X)",
 177                id->idVendor, id->idProduct);
 178
 179         sd->model = id->idProduct;
 180
 181         switch (sd->model) {
 182         case 0x7005:
 183                 PDEBUG(D_PROBE, "Genius Smart 300 camera");
 184                 break;
 185         case 0x8000:
 186                 PDEBUG(D_PROBE, "DC31VC");
 187                 break;
 188         case 0x8001:
 189                 PDEBUG(D_PROBE, "Spy camera");
 190                 break;
 191         case 0x8003:
 192                 PDEBUG(D_PROBE, "CIF camera");
 193                 break;
 194         case 0x8008:
 195                 PDEBUG(D_PROBE, "Mini-Shotz ms-350 camera");
 196                 break;
 197         case 0x800a:
 198                 PDEBUG(D_PROBE, "Vivitar 3350b type camera");
 199                 cam->input_flags = V4L2_IN_ST_VFLIP | V4L2_IN_ST_HFLIP;
 200                 break;
 201         }
 202
 203         switch (sd->model) {
 204         case 0x8000:
 205         case 0x8001:
 206         case 0x8003:
 207                 cam->cam_mode = cif_mode;
 208                 cam->nmodes = ARRAY_SIZE(cif_mode);
 209                 break;
 210         default:
 211                 cam->cam_mode = vga_mode;
 212                 cam->nmodes = ARRAY_SIZE(vga_mode);
 213         }
 214         return 0;
 215 }
 216
 217 /* this function is called at probe and resume time */
 218 static int sd_init(struct gspca_dev *gspca_dev)
 219 {
 220         int status = -1;
 221
 222         sn9c2028_read1(gspca_dev);
 223         sn9c2028_read1(gspca_dev);
 224         status = sn9c2028_read1(gspca_dev);
 225
 226         return (status < 0) ? status : 0;
 227 }
 228
 229 static int run_start_commands(struct gspca_dev *gspca_dev,
 230                               struct init_command *cam_commands, int n)
 231 {
 232         int i, err_code = -1;
 233
 234         for (i = 0; i < n; i++) {
 235                 switch (cam_commands[i].to_read) {
 236                 case 4:
 237                         err_code = sn9c2028_long_command(gspca_dev,
 238                                         cam_commands[i].instruction);
 239                         break;
 240                 case 1:
 241                         err_code = sn9c2028_short_command(gspca_dev,
 242                                         cam_commands[i].instruction);
 243                         break;
 244                 case 0:
 245                         err_code = sn9c2028_command(gspca_dev,
 246                                         cam_commands[i].instruction);
 247                         break;
 248                 }
 249                 if (err_code < 0)
 250                         return err_code;
 251         }
 252         return 0;
 253 }
 254
 255 static int start_spy_cam(struct gspca_dev *gspca_dev)
 256 {
 257         struct init_command spy_start_commands[] = {
 258                 {{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
 259                 {{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
 260                 {{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
 261                 {{0x13, 0x22, 0x01, 0x04, 0x00, 0x00}, 4},
 262                 {{0x13, 0x23, 0x01, 0x03, 0x00, 0x00}, 4},
 263                 {{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
 264                 {{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4}, /* width  352 */
 265                 {{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4}, /* height 288 */
 266                 /* {{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4}, */
 267                 {{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4},
 268                 {{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4}, /* red gain ?*/
 269                 /* {{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4}, */
 270                 {{0x13, 0x29, 0x01, 0x00, 0x00, 0x00}, 4},
 271                 /* {{0x13, 0x29, 0x01, 0x0c, 0x00, 0x00}, 4}, */
 272                 {{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
 273                 {{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
 274                 /* {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4}, */
 275                 {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
 276                 {{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
 277                 /* {{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4}, */
 278                 {{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
 279                 {{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
 280                 {{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
 281                 {{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
 282                 {{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
 283                 {{0x11, 0x02, 0x06, 0x00, 0x00, 0x00}, 4},
 284                 {{0x11, 0x03, 0x13, 0x00, 0x00, 0x00}, 4}, /*don't mess with*/
 285                 /*{{0x11, 0x04, 0x06, 0x00, 0x00, 0x00}, 4}, observed */
 286                 {{0x11, 0x04, 0x00, 0x00, 0x00, 0x00}, 4}, /* brighter */
 287                 /*{{0x11, 0x05, 0x65, 0x00, 0x00, 0x00}, 4}, observed */
 288                 {{0x11, 0x05, 0x00, 0x00, 0x00, 0x00}, 4}, /* brighter */
 289                 {{0x11, 0x06, 0xb1, 0x00, 0x00, 0x00}, 4}, /* observed */
 290                 {{0x11, 0x07, 0x00, 0x00, 0x00, 0x00}, 4},
 291                 /*{{0x11, 0x08, 0x06, 0x00, 0x00, 0x00}, 4}, observed */
 292                 {{0x11, 0x08, 0x0b, 0x00, 0x00, 0x00}, 4},
 293                 {{0x11, 0x09, 0x01, 0x00, 0x00, 0x00}, 4},
 294                 {{0x11, 0x0a, 0x01, 0x00, 0x00, 0x00}, 4},
 295                 {{0x11, 0x0b, 0x01, 0x00, 0x00, 0x00}, 4},
 296                 {{0x11, 0x0c, 0x01, 0x00, 0x00, 0x00}, 4},
 297                 {{0x11, 0x0d, 0x00, 0x00, 0x00, 0x00}, 4},
 298                 {{0x11, 0x0e, 0x04, 0x00, 0x00, 0x00}, 4},
 299                 /* {{0x11, 0x0f, 0x00, 0x00, 0x00, 0x00}, 4}, */
 300                 /* brightness or gain. 0 is default. 4 is good
 301                  * indoors at night with incandescent lighting */
 302                 {{0x11, 0x0f, 0x04, 0x00, 0x00, 0x00}, 4},
 303                 {{0x11, 0x10, 0x06, 0x00, 0x00, 0x00}, 4}, /*hstart or hoffs*/
 304                 {{0x11, 0x11, 0x06, 0x00, 0x00, 0x00}, 4},
 305                 {{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
 306                 {{0x11, 0x14, 0x02, 0x00, 0x00, 0x00}, 4},
 307                 {{0x11, 0x13, 0x01, 0x00, 0x00, 0x00}, 4},
 308                 /* {{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1}, observed */
 309                 {{0x1b, 0x02, 0x11, 0x00, 0x00, 0x00}, 1}, /* brighter */
 310                 /* {{0x1b, 0x13, 0x01, 0x00, 0x00, 0x00}, 1}, observed */
 311                 {{0x1b, 0x13, 0x11, 0x00, 0x00, 0x00}, 1},
 312                 {{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1}, /* compresses */
 313                 /* Camera should start to capture now. */
 314         };
 315
 316         return run_start_commands(gspca_dev, spy_start_commands,
 317                                   ARRAY_SIZE(spy_start_commands));
 318 }
 319
 320 static int start_cif_cam(struct gspca_dev *gspca_dev)
 321 {
 322         struct init_command cif_start_commands[] = {
 323                 {{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
 324                 /* The entire sequence below seems redundant */
 325                 /* {{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
 326                 {{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
 327                 {{0x13, 0x22, 0x01, 0x06, 0x00, 0x00}, 4},
 328                 {{0x13, 0x23, 0x01, 0x02, 0x00, 0x00}, 4},
 329                 {{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
 330                 {{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4}, width?
 331                 {{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4}, height?
 332                 {{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4}, subsample?
 333                 {{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4},
 334                 {{0x13, 0x29, 0x01, 0x20, 0x00, 0x00}, 4},
 335                 {{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
 336                 {{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
 337                 {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
 338                 {{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
 339                 {{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
 340                 {{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
 341                 {{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
 342                 {{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
 343                 {{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},*/
 344                 {{0x1b, 0x21, 0x00, 0x00, 0x00, 0x00}, 1},
 345                 {{0x1b, 0x17, 0x00, 0x00, 0x00, 0x00}, 1},
 346                 {{0x1b, 0x19, 0x00, 0x00, 0x00, 0x00}, 1},
 347                 {{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1},
 348                 {{0x1b, 0x03, 0x5a, 0x00, 0x00, 0x00}, 1},
 349                 {{0x1b, 0x04, 0x27, 0x00, 0x00, 0x00}, 1},
 350                 {{0x1b, 0x05, 0x01, 0x00, 0x00, 0x00}, 1},
 351                 {{0x1b, 0x12, 0x14, 0x00, 0x00, 0x00}, 1},
 352                 {{0x1b, 0x13, 0x00, 0x00, 0x00, 0x00}, 1},
 353                 {{0x1b, 0x14, 0x00, 0x00, 0x00, 0x00}, 1},
 354                 {{0x1b, 0x15, 0x00, 0x00, 0x00, 0x00}, 1},
 355                 {{0x1b, 0x16, 0x00, 0x00, 0x00, 0x00}, 1},
 356                 {{0x1b, 0x77, 0xa2, 0x00, 0x00, 0x00}, 1},
 357                 {{0x1b, 0x06, 0x0f, 0x00, 0x00, 0x00}, 1},
 358                 {{0x1b, 0x07, 0x14, 0x00, 0x00, 0x00}, 1},
 359                 {{0x1b, 0x08, 0x0f, 0x00, 0x00, 0x00}, 1},
 360                 {{0x1b, 0x09, 0x10, 0x00, 0x00, 0x00}, 1},
 361                 {{0x1b, 0x0e, 0x00, 0x00, 0x00, 0x00}, 1},
 362                 {{0x1b, 0x0f, 0x00, 0x00, 0x00, 0x00}, 1},
 363                 {{0x1b, 0x12, 0x07, 0x00, 0x00, 0x00}, 1},
 364                 {{0x1b, 0x10, 0x1f, 0x00, 0x00, 0x00}, 1},
 365                 {{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
 366                 {{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 1}, /* width/8 */
 367                 {{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 1}, /* height/8 */
 368                 /* {{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4}, subsample?
 369                  * {{0x13, 0x28, 0x01, 0x1e, 0x00, 0x00}, 4}, does nothing
 370                  * {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4}, */
 371                 /* {{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
 372                  * causes subsampling
 373                  * but not a change in the resolution setting! */
 374                 {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
 375                 {{0x13, 0x2d, 0x01, 0x01, 0x00, 0x00}, 4},
 376                 {{0x13, 0x2e, 0x01, 0x08, 0x00, 0x00}, 4},
 377                 {{0x13, 0x2f, 0x01, 0x06, 0x00, 0x00}, 4},
 378                 {{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4},
 379                 {{0x1b, 0x04, 0x6d, 0x00, 0x00, 0x00}, 1},
 380                 {{0x1b, 0x05, 0x03, 0x00, 0x00, 0x00}, 1},
 381                 {{0x20, 0x36, 0x06, 0x00, 0x00, 0x00}, 1},
 382                 {{0x1b, 0x0e, 0x01, 0x00, 0x00, 0x00}, 1},
 383                 {{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
 384                 {{0x1b, 0x0f, 0x00, 0x00, 0x00, 0x00}, 1},
 385                 {{0x20, 0x36, 0x05, 0x00, 0x00, 0x00}, 1},
 386                 {{0x1b, 0x10, 0x0f, 0x00, 0x00, 0x00}, 1},
 387                 {{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1},
 388                 {{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
 389                 {{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1},/* use compression */
 390                 /* Camera should start to capture now. */
 391         };
 392
 393         return run_start_commands(gspca_dev, cif_start_commands,
 394                                   ARRAY_SIZE(cif_start_commands));
 395 }
 396
 397 static int start_ms350_cam(struct gspca_dev *gspca_dev)
 398 {
 399         struct init_command ms350_start_commands[] = {
 400                 {{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
 401                 {{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
 402                 {{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
 403                 {{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
 404                 {{0x13, 0x22, 0x01, 0x04, 0x00, 0x00}, 4},
 405                 {{0x13, 0x23, 0x01, 0x03, 0x00, 0x00}, 4},
 406                 {{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
 407                 {{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
 408                 {{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
 409                 {{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4},
 410                 {{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4},
 411                 {{0x13, 0x29, 0x01, 0x00, 0x00, 0x00}, 4},
 412                 {{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
 413                 {{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
 414                 {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
 415                 {{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
 416                 {{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
 417                 {{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
 418                 {{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
 419                 {{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
 420                 {{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
 421                 {{0x11, 0x00, 0x01, 0x00, 0x00, 0x00}, 4},
 422                 {{0x11, 0x01, 0x70, 0x00, 0x00, 0x00}, 4},
 423                 {{0x11, 0x02, 0x05, 0x00, 0x00, 0x00}, 4},
 424                 {{0x11, 0x03, 0x5d, 0x00, 0x00, 0x00}, 4},
 425                 {{0x11, 0x04, 0x07, 0x00, 0x00, 0x00}, 4},
 426                 {{0x11, 0x05, 0x25, 0x00, 0x00, 0x00}, 4},
 427                 {{0x11, 0x06, 0x00, 0x00, 0x00, 0x00}, 4},
 428                 {{0x11, 0x07, 0x09, 0x00, 0x00, 0x00}, 4},
 429                 {{0x11, 0x08, 0x01, 0x00, 0x00, 0x00}, 4},
 430                 {{0x11, 0x09, 0x00, 0x00, 0x00, 0x00}, 4},
 431                 {{0x11, 0x0a, 0x00, 0x00, 0x00, 0x00}, 4},
 432                 {{0x11, 0x0b, 0x01, 0x00, 0x00, 0x00}, 4},
 433                 {{0x11, 0x0c, 0x00, 0x00, 0x00, 0x00}, 4},
 434                 {{0x11, 0x0d, 0x0c, 0x00, 0x00, 0x00}, 4},
 435                 {{0x11, 0x0e, 0x01, 0x00, 0x00, 0x00}, 4},
 436                 {{0x11, 0x0f, 0x00, 0x00, 0x00, 0x00}, 4},
 437                 {{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
 438                 {{0x11, 0x11, 0x00, 0x00, 0x00, 0x00}, 4},
 439                 {{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
 440                 {{0x11, 0x13, 0x63, 0x00, 0x00, 0x00}, 4},
 441                 {{0x11, 0x15, 0x70, 0x00, 0x00, 0x00}, 4},
 442                 {{0x11, 0x18, 0x00, 0x00, 0x00, 0x00}, 4},
 443                 {{0x11, 0x11, 0x01, 0x00, 0x00, 0x00}, 4},
 444                 {{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4}, /* width  */
 445                 {{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4}, /* height */
 446                 {{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4}, /* vstart? */
 447                 {{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4},
 448                 {{0x13, 0x29, 0x01, 0x40, 0x00, 0x00}, 4}, /* hstart? */
 449                 {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
 450                 {{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
 451                 {{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
 452                 {{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
 453                 {{0x1b, 0x02, 0x05, 0x00, 0x00, 0x00}, 1},
 454                 {{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
 455                 {{0x20, 0x18, 0x00, 0x00, 0x00, 0x00}, 1},
 456                 {{0x1b, 0x02, 0x0a, 0x00, 0x00, 0x00}, 1},
 457                 {{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 0},
 458                 /* Camera should start to capture now. */
 459         };
 460
 461         return run_start_commands(gspca_dev, ms350_start_commands,
 462                                   ARRAY_SIZE(ms350_start_commands));
 463 }
 464
 465 static int start_genius_cam(struct gspca_dev *gspca_dev)
 466 {
 467         struct init_command genius_start_commands[] = {
 468                 {{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
 469                 {{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
 470                 {{0x10, 0x00, 0x00, 0x00, 0x00, 0x00}, 4},
 471                 {{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
 472                 {{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
 473                 /* "preliminary" width and height settings */
 474                 {{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
 475                 {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
 476                 {{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
 477                 {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
 478                 {{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
 479                 {{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
 480                 {{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
 481                 {{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
 482                 {{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
 483                 {{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
 484                 {{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
 485                 {{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
 486                 {{0x11, 0x11, 0x64, 0x00, 0x00, 0x00}, 4},
 487                 {{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
 488                 {{0x11, 0x13, 0x91, 0x00, 0x00, 0x00}, 4},
 489                 {{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
 490                 {{0x11, 0x15, 0x20, 0x00, 0x00, 0x00}, 4},
 491                 {{0x11, 0x16, 0x01, 0x00, 0x00, 0x00}, 4},
 492                 {{0x11, 0x17, 0x60, 0x00, 0x00, 0x00}, 4},
 493                 {{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
 494                 {{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
 495                 {{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
 496                 {{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
 497                 {{0x11, 0x25, 0x00, 0x00, 0x00, 0x00}, 4},
 498                 {{0x11, 0x26, 0x02, 0x00, 0x00, 0x00}, 4},
 499                 {{0x11, 0x27, 0x88, 0x00, 0x00, 0x00}, 4},
 500                 {{0x11, 0x30, 0x38, 0x00, 0x00, 0x00}, 4},
 501                 {{0x11, 0x31, 0x2a, 0x00, 0x00, 0x00}, 4},
 502                 {{0x11, 0x32, 0x2a, 0x00, 0x00, 0x00}, 4},
 503                 {{0x11, 0x33, 0x2a, 0x00, 0x00, 0x00}, 4},
 504                 {{0x11, 0x34, 0x02, 0x00, 0x00, 0x00}, 4},
 505                 {{0x11, 0x5b, 0x0a, 0x00, 0x00, 0x00}, 4},
 506                 {{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4}, /* real width */
 507                 {{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4}, /* real height */
 508                 {{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
 509                 {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
 510                 {{0x13, 0x29, 0x01, 0x62, 0x00, 0x00}, 4},
 511                 {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
 512                 {{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
 513                 {{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
 514                 {{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
 515                 {{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
 516                 {{0x11, 0x21, 0x2a, 0x00, 0x00, 0x00}, 4},
 517                 {{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
 518                 {{0x11, 0x23, 0x28, 0x00, 0x00, 0x00}, 4},
 519                 {{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
 520                 {{0x11, 0x11, 0x04, 0x00, 0x00, 0x00}, 4},
 521                 {{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
 522                 {{0x11, 0x13, 0x03, 0x00, 0x00, 0x00}, 4},
 523                 {{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
 524                 {{0x11, 0x15, 0xe0, 0x00, 0x00, 0x00}, 4},
 525                 {{0x11, 0x16, 0x02, 0x00, 0x00, 0x00}, 4},
 526                 {{0x11, 0x17, 0x80, 0x00, 0x00, 0x00}, 4},
 527                 {{0x1c, 0x20, 0x00, 0x2a, 0x00, 0x00}, 1},
 528                 {{0x1c, 0x20, 0x00, 0x2a, 0x00, 0x00}, 1},
 529                 {{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 0}
 530                 /* Camera should start to capture now. */
 531         };
 532
 533         return run_start_commands(gspca_dev, genius_start_commands,
 534                                   ARRAY_SIZE(genius_start_commands));
 535 }
 536
 537 static int start_vivitar_cam(struct gspca_dev *gspca_dev)
 538 {
 539         struct init_command vivitar_start_commands[] = {
 540                 {{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
 541                 {{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
 542                 {{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
 543                 {{0x13, 0x22, 0x01, 0x01, 0x00, 0x00}, 4},
 544                 {{0x13, 0x23, 0x01, 0x01, 0x00, 0x00}, 4},
 545                 {{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
 546                 {{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4},
 547                 {{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4},
 548                 {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
 549                 {{0x13, 0x28, 0x01, 0x0a, 0x00, 0x00}, 4},
 550                 /*
 551                  * Above is changed from OEM 0x0b. Fixes Bayer tiling.
 552                  * Presumably gives a vertical shift of one row.
 553                  */
 554                 {{0x13, 0x29, 0x01, 0x20, 0x00, 0x00}, 4},
 555                 /* Above seems to do horizontal shift. */
 556                 {{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
 557                 {{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
 558                 {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
 559                 {{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
 560                 {{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
 561                 {{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
 562                 /* Above three commands seem to relate to brightness. */
 563                 {{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
 564                 {{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
 565                 {{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
 566                 {{0x1b, 0x12, 0x80, 0x00, 0x00, 0x00}, 1},
 567                 {{0x1b, 0x01, 0x77, 0x00, 0x00, 0x00}, 1},
 568                 {{0x1b, 0x02, 0x3a, 0x00, 0x00, 0x00}, 1},
 569                 {{0x1b, 0x12, 0x78, 0x00, 0x00, 0x00}, 1},
 570                 {{0x1b, 0x13, 0x00, 0x00, 0x00, 0x00}, 1},
 571                 {{0x1b, 0x14, 0x80, 0x00, 0x00, 0x00}, 1},
 572                 {{0x1b, 0x15, 0x34, 0x00, 0x00, 0x00}, 1},
 573                 {{0x1b, 0x1b, 0x04, 0x00, 0x00, 0x00}, 1},
 574                 {{0x1b, 0x20, 0x44, 0x00, 0x00, 0x00}, 1},
 575                 {{0x1b, 0x23, 0xee, 0x00, 0x00, 0x00}, 1},
 576                 {{0x1b, 0x26, 0xa0, 0x00, 0x00, 0x00}, 1},
 577                 {{0x1b, 0x27, 0x9a, 0x00, 0x00, 0x00}, 1},
 578                 {{0x1b, 0x28, 0xa0, 0x00, 0x00, 0x00}, 1},
 579                 {{0x1b, 0x29, 0x30, 0x00, 0x00, 0x00}, 1},
 580                 {{0x1b, 0x2a, 0x80, 0x00, 0x00, 0x00}, 1},
 581                 {{0x1b, 0x2b, 0x00, 0x00, 0x00, 0x00}, 1},
 582                 {{0x1b, 0x2f, 0x3d, 0x00, 0x00, 0x00}, 1},
 583                 {{0x1b, 0x30, 0x24, 0x00, 0x00, 0x00}, 1},
 584                 {{0x1b, 0x32, 0x86, 0x00, 0x00, 0x00}, 1},
 585                 {{0x1b, 0x60, 0xa9, 0x00, 0x00, 0x00}, 1},
 586                 {{0x1b, 0x61, 0x42, 0x00, 0x00, 0x00}, 1},
 587                 {{0x1b, 0x65, 0x00, 0x00, 0x00, 0x00}, 1},
 588                 {{0x1b, 0x69, 0x38, 0x00, 0x00, 0x00}, 1},
 589                 {{0x1b, 0x6f, 0x88, 0x00, 0x00, 0x00}, 1},
 590                 {{0x1b, 0x70, 0x0b, 0x00, 0x00, 0x00}, 1},
 591                 {{0x1b, 0x71, 0x00, 0x00, 0x00, 0x00}, 1},
 592                 {{0x1b, 0x74, 0x21, 0x00, 0x00, 0x00}, 1},
 593                 {{0x1b, 0x75, 0x86, 0x00, 0x00, 0x00}, 1},
 594                 {{0x1b, 0x76, 0x00, 0x00, 0x00, 0x00}, 1},
 595                 {{0x1b, 0x7d, 0xf3, 0x00, 0x00, 0x00}, 1},
 596                 {{0x1b, 0x17, 0x1c, 0x00, 0x00, 0x00}, 1},
 597                 {{0x1b, 0x18, 0xc0, 0x00, 0x00, 0x00}, 1},
 598                 {{0x1b, 0x19, 0x05, 0x00, 0x00, 0x00}, 1},
 599                 {{0x1b, 0x1a, 0xf6, 0x00, 0x00, 0x00}, 1},
 600                 /* {{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4},
 601                 {{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4},
 602                 {{0x13, 0x28, 0x01, 0x0b, 0x00, 0x00}, 4}, */
 603                 {{0x20, 0x36, 0x06, 0x00, 0x00, 0x00}, 1},
 604                 {{0x1b, 0x10, 0x26, 0x00, 0x00, 0x00}, 1},
 605                 {{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
 606                 {{0x1b, 0x76, 0x03, 0x00, 0x00, 0x00}, 1},
 607                 {{0x20, 0x36, 0x05, 0x00, 0x00, 0x00}, 1},
 608                 {{0x1b, 0x00, 0x3f, 0x00, 0x00, 0x00}, 1},
 609                 /* Above is brightness; OEM driver setting is 0x10 */
 610                 {{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
 611                 {{0x20, 0x29, 0x30, 0x00, 0x00, 0x00}, 1},
 612                 {{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1}
 613         };
 614
 615         return run_start_commands(gspca_dev, vivitar_start_commands,
 616                                   ARRAY_SIZE(vivitar_start_commands));
 617 }
 618
 619 static int sd_start(struct gspca_dev *gspca_dev)
 620 {
 621         struct sd *sd = (struct sd *) gspca_dev;
 622         int err_code;
 623
 624         sd->sof_read = 0;
 625
 626         switch (sd->model) {
 627         case 0x7005:
 628                 err_code = start_genius_cam(gspca_dev);
 629                 break;
 630         case 0x8001:
 631                 err_code = start_spy_cam(gspca_dev);
 632                 break;
 633         case 0x8003:
 634                 err_code = start_cif_cam(gspca_dev);
 635                 break;
 636         case 0x8008:
 637                 err_code = start_ms350_cam(gspca_dev);
 638                 break;
 639         case 0x800a:
 640                 err_code = start_vivitar_cam(gspca_dev);
 641                 break;
 642         default:
 643                 pr_err("Starting unknown camera, please report this\n");
 644                 return -ENXIO;
 645         }
 646
 647         return err_code;
 648 }
 649
 650 static void sd_stopN(struct gspca_dev *gspca_dev)
 651 {
 652         int result;
 653         __u8 data[6];
 654
 655         result = sn9c2028_read1(gspca_dev);
 656         if (result < 0)
 657                 PDEBUG(D_ERR, "Camera Stop read failed");
 658
 659         memset(data, 0, 6);
 660         data[0] = 0x14;
 661         result = sn9c2028_command(gspca_dev, data);
 662         if (result < 0)
 663                 PDEBUG(D_ERR, "Camera Stop command failed");
 664 }
 665
 666 /* Include sn9c2028 sof detection functions */
 667 #include "sn9c2028.h"
 668
 669 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 670                         __u8 *data,                     /* isoc packet */
 671                         int len)                        /* iso packet length */
 672 {
 673         unsigned char *sof;
 674
 675         sof = sn9c2028_find_sof(gspca_dev, data, len);
 676         if (sof) {
 677                 int n;
 678
 679                 /* finish decoding current frame */
 680                 n = sof - data;
 681                 if (n > sizeof sn9c2028_sof_marker)
 682                         n -= sizeof sn9c2028_sof_marker;
 683                 else
 684                         n = 0;
 685                 gspca_frame_add(gspca_dev, LAST_PACKET, data, n);
 686                 /* Start next frame. */
 687                 gspca_frame_add(gspca_dev, FIRST_PACKET,
 688                         sn9c2028_sof_marker, sizeof sn9c2028_sof_marker);
 689                 len -= sof - data;
 690                 data = sof;
 691         }
 692         gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
 693 }
 694
 695 /* sub-driver description */
 696 static const struct sd_desc sd_desc = {
 697         .name = MODULE_NAME,
 698         .ctrls = sd_ctrls,
 699         .nctrls = ARRAY_SIZE(sd_ctrls),
 700         .config = sd_config,
 701         .init = sd_init,
 702         .start = sd_start,
 703         .stopN = sd_stopN,
 704         .pkt_scan = sd_pkt_scan,
 705 };
 706
 707 /* -- module initialisation -- */
 708 static const struct usb_device_id device_table[] = {
 709         {USB_DEVICE(0x0458, 0x7005)}, /* Genius Smart 300, version 2 */
 710         /* The Genius Smart is untested. I can't find an owner ! */
 711         /* {USB_DEVICE(0x0c45, 0x8000)}, DC31VC, Don't know this camera */
 712         {USB_DEVICE(0x0c45, 0x8001)}, /* Wild Planet digital spy cam */
 713         {USB_DEVICE(0x0c45, 0x8003)}, /* Several small CIF cameras */
 714         /* {USB_DEVICE(0x0c45, 0x8006)}, Unknown VGA camera */
 715         {USB_DEVICE(0x0c45, 0x8008)}, /* Mini-Shotz ms-350 */
 716         {USB_DEVICE(0x0c45, 0x800a)}, /* Vivicam 3350B */
 717         {}
 718 };
 719 MODULE_DEVICE_TABLE(usb, device_table);
 720
 721 /* -- device connect -- */
 722 static int sd_probe(struct usb_interface *intf,
 723                         const struct usb_device_id *id)
 724 {
 725         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
 726                                THIS_MODULE);
 727 }
 728
 729 static struct usb_driver sd_driver = {
 730         .name = MODULE_NAME,
 731         .id_table = device_table,
 732         .probe = sd_probe,
 733         .disconnect = gspca_disconnect,
 734 #ifdef CONFIG_PM
 735         .suspend = gspca_suspend,
 736         .resume = gspca_resume,
 737         .reset_resume = gspca_resume,
 738 #endif
 739 };
 740
 741 module_usb_driver(sd_driver);