SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/media/dvb/dvb-usb/dw2102.c

   1 /* DVB USB framework compliant Linux driver for the
   2 *       DVBWorld DVB-S 2101, 2102, DVB-S2 2104 Card
   3 *
   4 * Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)
   5 *
   6 *       This program is free software; you can redistribute it and/or modify it
   7 *       under the terms of the GNU General Public License as published by the
   8 *       Free Software Foundation, version 2.
   9 *
  10 * see Documentation/dvb/README.dvb-usb for more information
  11 */
  12 #include <linux/version.h>
  13 #include "dw2102.h"
  14 #include "stv0299.h"
  15 #include "z0194a.h"
  16 #include "cx24116.h"
  17
  18 #ifndef USB_PID_DW2102
  19 #define USB_PID_DW2102 0x2102
  20 #endif
  21
  22 #ifndef USB_PID_DW2104
  23 #define USB_PID_DW2104 0x2104
  24 #endif
  25
  26 #define DW2102_READ_MSG 0
  27 #define DW2102_WRITE_MSG 1
  28
  29 #define REG_1F_SYMBOLRATE_BYTE0 0x1f
  30 #define REG_20_SYMBOLRATE_BYTE1 0x20
  31 #define REG_21_SYMBOLRATE_BYTE2 0x21
  32 /* on my own*/
  33 #define DW2102_VOLTAGE_CTRL (0x1800)
  34 #define DW2102_RC_QUERY (0x1a00)
  35
  36 struct dw2102_state {
  37         u32 last_key_pressed;
  38 };
  39 struct dw2102_rc_keys {
  40         u32 keycode;
  41         u32 event;
  42 };
  43
  44 /* debug */
  45 static int dvb_usb_dw2102_debug;
  46 module_param_named(debug, dvb_usb_dw2102_debug, int, 0644);
  47 MODULE_PARM_DESC(debug, "set debugging level (1=info 2=xfer (or-able))." DVB_USB_DEBUG_STATUS);
  48
  49 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  50
  51 static int dw2102_op_rw(struct usb_device *dev, u8 request, u16 value,
  52                         u16 index, u8 * data, u16 len, int flags)
  53 {
  54         int ret;
  55         u8 u8buf[len];
  56
  57         unsigned int pipe = (flags == DW2102_READ_MSG) ?
  58                                 usb_rcvctrlpipe(dev, 0) : usb_sndctrlpipe(dev, 0);
  59         u8 request_type = (flags == DW2102_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT;
  60
  61         if (flags == DW2102_WRITE_MSG)
  62                 memcpy(u8buf, data, len);
  63         ret = usb_control_msg(dev, pipe, request, request_type | USB_TYPE_VENDOR,
  64                                 value, index , u8buf, len, 2000);
  65
  66         if (flags == DW2102_READ_MSG)
  67                 memcpy(data, u8buf, len);
  68         return ret;
  69 }
  70
  71 /* I2C */
  72
  73 static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
  74                 int num)
  75 {
  76 struct dvb_usb_device *d = i2c_get_adapdata(adap);
  77         int i = 0, ret = 0;
  78         u8 buf6[] = {0x2c, 0x05, 0xc0, 0, 0, 0, 0};
  79         u16 value;
  80
  81         if (!d)
  82                 return -ENODEV;
  83         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
  84                 return -EAGAIN;
  85
  86         switch (num) {
  87         case 2:
  88                 /* read stv0299 register */
  89                 value = msg[0].buf[0];/* register */
  90                 for (i = 0; i < msg[1].len; i++) {
  91                         value = value + i;
  92                         ret = dw2102_op_rw(d->udev, 0xb5, value, 0,
  93                                         buf6, 2, DW2102_READ_MSG);
  94                         msg[1].buf[i] = buf6[0];
  95
  96                 }
  97                 break;
  98         case 1:
  99                 switch (msg[0].addr) {
 100                 case 0x68:
 101                         /* write to stv0299 register */
 102                         buf6[0] = 0x2a;
 103                         buf6[1] = msg[0].buf[0];
 104                         buf6[2] = msg[0].buf[1];
 105                         ret = dw2102_op_rw(d->udev, 0xb2, 0, 0,
 106                                         buf6, 3, DW2102_WRITE_MSG);
 107                         break;
 108                 case 0x60:
 109                         if (msg[0].flags == 0) {
 110                         /* write to tuner pll */
 111                                 buf6[0] = 0x2c;
 112                                 buf6[1] = 5;
 113                                 buf6[2] = 0xc0;
 114                                 buf6[3] = msg[0].buf[0];
 115                                 buf6[4] = msg[0].buf[1];
 116                                 buf6[5] = msg[0].buf[2];
 117                                 buf6[6] = msg[0].buf[3];
 118                                 ret = dw2102_op_rw(d->udev, 0xb2, 0, 0,
 119                                                 buf6, 7, DW2102_WRITE_MSG);
 120                         } else {
 121                         /* read from tuner */
 122                                 ret = dw2102_op_rw(d->udev, 0xb5, 0,0,
 123                                                 buf6, 1, DW2102_READ_MSG);
 124                                 msg[0].buf[0] = buf6[0];
 125                         }
 126                         break;
 127                 case (DW2102_RC_QUERY):
 128                         ret  = dw2102_op_rw(d->udev, 0xb8, 0, 0,
 129                                         buf6, 2, DW2102_READ_MSG);
 130                         msg[0].buf[0] = buf6[0];
 131                         msg[0].buf[1] = buf6[1];
 132                         break;
 133                 case (DW2102_VOLTAGE_CTRL):
 134                         buf6[0] = 0x30;
 135                         buf6[1] = msg[0].buf[0];
 136                         ret = dw2102_op_rw(d->udev, 0xb2, 0, 0,
 137                                         buf6, 2, DW2102_WRITE_MSG);
 138                         break;
 139                 }
 140
 141                 break;
 142         }
 143
 144         mutex_unlock(&d->i2c_mutex);
 145         return num;
 146 }
 147
 148 static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
 149 {
 150         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 151         int ret = 0;
 152         int len, i;
 153
 154         if (!d)
 155                 return -ENODEV;
 156         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 157                 return -EAGAIN;
 158
 159         switch (num) {
 160         case 2: {
 161                 /* read */
 162                 /* first write first register number */
 163                 u8 ibuf [msg[1].len + 2], obuf[3];
 164                 obuf[0] = 0xaa;
 165                 obuf[1] = msg[0].len;
 166                 obuf[2] = msg[0].buf[0];
 167                 ret = dw2102_op_rw(d->udev, 0xc2, 0, 0,
 168                                 obuf, msg[0].len + 2, DW2102_WRITE_MSG);
 169                 /* second read registers */
 170                 ret = dw2102_op_rw(d->udev, 0xc3, 0xab , 0,
 171                                 ibuf, msg[1].len + 2, DW2102_READ_MSG);
 172                 memcpy(msg[1].buf, ibuf + 2, msg[1].len);
 173
 174                 break;
 175         }
 176         case 1:
 177                 switch (msg[0].addr) {
 178                 case 0x55: {
 179                         if (msg[0].buf[0] == 0xf7) {
 180                                 /* firmware */
 181                                 /* Write in small blocks */
 182                                 u8 obuf[19];
 183                                 obuf[0] = 0xaa;
 184                                 obuf[1] = 0x11;
 185                                 obuf[2] = 0xf7;
 186                                 len = msg[0].len - 1;
 187                                 i = 1;
 188                                 do {
 189                                         memcpy(obuf + 3, msg[0].buf + i, (len > 16 ? 16 : len));
 190                                         ret = dw2102_op_rw(d->udev, 0xc2, 0, 0,
 191                                                 obuf, (len > 16 ? 16 : len) + 3, DW2102_WRITE_MSG);
 192                                         i += 16;
 193                                         len -= 16;
 194                                 } while (len > 0);
 195                         } else {
 196                                 /* write to register */
 197                                 u8 obuf[msg[0].len + 2];
 198                                 obuf[0] = 0xaa;
 199                                 obuf[1] = msg[0].len;
 200                                 memcpy(obuf + 2, msg[0].buf, msg[0].len);
 201                                 ret = dw2102_op_rw(d->udev, 0xc2, 0, 0,
 202                                                 obuf, msg[0].len + 2, DW2102_WRITE_MSG);
 203                         }
 204                         break;
 205                 }
 206                 case(DW2102_RC_QUERY): {
 207                         u8 ibuf[2];
 208                         ret  = dw2102_op_rw(d->udev, 0xb8, 0, 0,
 209                                         ibuf, 2, DW2102_READ_MSG);
 210                         memcpy(msg[0].buf, ibuf , 2);
 211                         break;
 212                 }
 213                 case(DW2102_VOLTAGE_CTRL): {
 214                         u8 obuf[2];
 215                         obuf[0] = 0x30;
 216                         obuf[1] = msg[0].buf[0];
 217                         ret = dw2102_op_rw(d->udev, 0xb2, 0, 0,
 218                                         obuf, 2, DW2102_WRITE_MSG);
 219                         break;
 220                 }
 221                 }
 222
 223                 break;
 224         }
 225
 226         mutex_unlock(&d->i2c_mutex);
 227         return num;
 228 }
 229
 230 static u32 dw2102_i2c_func(struct i2c_adapter *adapter)
 231 {
 232         return I2C_FUNC_I2C;
 233 }
 234
 235 static struct i2c_algorithm dw2102_i2c_algo = {
 236         .master_xfer = dw2102_i2c_transfer,
 237         .functionality = dw2102_i2c_func,
 238 };
 239
 240 static struct i2c_algorithm dw2104_i2c_algo = {
 241         .master_xfer = dw2104_i2c_transfer,
 242         .functionality = dw2102_i2c_func,
 243 };
 244
 245 static int dw2102_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
 246 {
 247         int i;
 248         u8 ibuf[] = {0, 0};
 249         u8 eeprom[256], eepromline[16];
 250
 251         for (i = 0; i < 256; i++) {
 252                 if (dw2102_op_rw(d->udev, 0xb6, 0xa0 , i, ibuf, 2, DW2102_READ_MSG) < 0) {
 253                         err("read eeprom failed.");
 254                         return -1;
 255                 } else {
 256                         eepromline[i%16] = ibuf[0];
 257                         eeprom[i] = ibuf[0];
 258                 }
 259                 if ((i % 16) == 15) {
 260                         deb_xfer("%02x: ", i - 15);
 261                         debug_dump(eepromline, 16, deb_xfer);
 262                 }
 263         }
 264         memcpy(mac, eeprom + 8, 6);
 265         return 0;
 266 };
 267
 268 static int dw2102_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
 269 {
 270         static u8 command_13v[1] = {0x00};
 271         static u8 command_18v[1] = {0x01};
 272         struct i2c_msg msg[] = {
 273                 {.addr = DW2102_VOLTAGE_CTRL, .flags = 0,
 274                         .buf = command_13v, .len = 1},
 275         };
 276
 277         struct dvb_usb_adapter *udev_adap =
 278                 (struct dvb_usb_adapter *)(fe->dvb->priv);
 279         if (voltage == SEC_VOLTAGE_18)
 280                 msg[0].buf = command_18v;
 281         i2c_transfer(&udev_adap->dev->i2c_adap, msg, 1);
 282         return 0;
 283 }
 284
 285 static struct cx24116_config dw2104_config = {
 286         .demod_address = 0x55,
 287         .mpg_clk_pos_pol = 0x01,
 288 };
 289
 290 static int dw2104_frontend_attach(struct dvb_usb_adapter *d)
 291 {
 292         if ((d->fe = dvb_attach(cx24116_attach, &dw2104_config,
 293                         &d->dev->i2c_adap)) != NULL) {
 294                 d->fe->ops.set_voltage = dw2102_set_voltage;
 295                 info("Attached cx24116!\n");
 296                 return 0;
 297         }
 298         return -EIO;
 299 }
 300
 301 static int dw2102_frontend_attach(struct dvb_usb_adapter *d)
 302 {
 303         d->fe = dvb_attach(stv0299_attach, &sharp_z0194a_config,
 304                 &d->dev->i2c_adap);
 305         if (d->fe != NULL) {
 306                 d->fe->ops.set_voltage = dw2102_set_voltage;
 307                 info("Attached stv0299!\n");
 308                 return 0;
 309         }
 310         return -EIO;
 311 }
 312
 313 static int dw2102_tuner_attach(struct dvb_usb_adapter *adap)
 314 {
 315         dvb_attach(dvb_pll_attach, adap->fe, 0x60,
 316                 &adap->dev->i2c_adap, DVB_PLL_OPERA1);
 317         return 0;
 318 }
 319
 320 static struct dvb_usb_rc_key dw2102_rc_keys[] = {
 321         { 0xf8, 0x0a, KEY_Q },          /*power*/
 322         { 0xf8, 0x0c, KEY_M },          /*mute*/
 323         { 0xf8, 0x11, KEY_1 },
 324         { 0xf8, 0x12, KEY_2 },
 325         { 0xf8, 0x13, KEY_3 },
 326         { 0xf8, 0x14, KEY_4 },
 327         { 0xf8, 0x15, KEY_5 },
 328         { 0xf8, 0x16, KEY_6 },
 329         { 0xf8, 0x17, KEY_7 },
 330         { 0xf8, 0x18, KEY_8 },
 331         { 0xf8, 0x19, KEY_9 },
 332         { 0xf8, 0x10, KEY_0 },
 333         { 0xf8, 0x1c, KEY_PAGEUP },     /*ch+*/
 334         { 0xf8, 0x0f, KEY_PAGEDOWN },   /*ch-*/
 335         { 0xf8, 0x1a, KEY_O },          /*vol+*/
 336         { 0xf8, 0x0e, KEY_Z },          /*vol-*/
 337         { 0xf8, 0x04, KEY_R },          /*rec*/
 338         { 0xf8, 0x09, KEY_D },          /*fav*/
 339         { 0xf8, 0x08, KEY_BACKSPACE },  /*rewind*/
 340         { 0xf8, 0x07, KEY_A },          /*fast*/
 341         { 0xf8, 0x0b, KEY_P },          /*pause*/
 342         { 0xf8, 0x02, KEY_ESC },        /*cancel*/
 343         { 0xf8, 0x03, KEY_G },          /*tab*/
 344         { 0xf8, 0x00, KEY_UP },         /*up*/
 345         { 0xf8, 0x1f, KEY_ENTER },      /*ok*/
 346         { 0xf8, 0x01, KEY_DOWN },       /*down*/
 347         { 0xf8, 0x05, KEY_C },          /*cap*/
 348         { 0xf8, 0x06, KEY_S },          /*stop*/
 349         { 0xf8, 0x40, KEY_F },          /*full*/
 350         { 0xf8, 0x1e, KEY_W },          /*tvmode*/
 351         { 0xf8, 0x1b, KEY_B },          /*recall*/
 352
 353 };
 354
 355
 356
 357 static int dw2102_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 358 {
 359         struct dw2102_state *st = d->priv;
 360         u8 key[2];
 361         struct i2c_msg msg[] = {
 362                 {.addr = DW2102_RC_QUERY, .flags = I2C_M_RD, .buf = key,
 363                 .len = 2},
 364         };
 365         int i;
 366
 367         *state = REMOTE_NO_KEY_PRESSED;
 368         if (dw2102_i2c_transfer(&d->i2c_adap, msg, 1) == 1) {
 369                 for (i = 0; i < ARRAY_SIZE(dw2102_rc_keys); i++) {
 370                         if (dw2102_rc_keys[i].data == msg[0].buf[0]) {
 371                                 *state = REMOTE_KEY_PRESSED;
 372                                 *event = dw2102_rc_keys[i].event;
 373                                 st->last_key_pressed =
 374                                         dw2102_rc_keys[i].event;
 375                                 break;
 376                         }
 377                 st->last_key_pressed = 0;
 378                 }
 379         }
 380         /* info("key: %x %x\n",key[0],key[1]); */
 381         return 0;
 382 }
 383
 384 static struct usb_device_id dw2102_table[] = {
 385         {USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW2102)},
 386         {USB_DEVICE(USB_VID_CYPRESS, 0x2101)},
 387         {USB_DEVICE(USB_VID_CYPRESS, 0x2104)},
 388         {USB_DEVICE(0x9022, 0xd650)},
 389         { }
 390 };
 391
 392 MODULE_DEVICE_TABLE(usb, dw2102_table);
 393
 394 static int dw2102_load_firmware(struct usb_device *dev,
 395                         const struct firmware *frmwr)
 396 {
 397         u8 *b, *p;
 398         int ret = 0, i;
 399         u8 reset;
 400         u8 reset16 [] = {0, 0, 0, 0, 0, 0, 0};
 401         const struct firmware *fw;
 402         const char *filename = "dvb-usb-dw2101.fw";
 403         switch (dev->descriptor.idProduct) {
 404         case 0x2101:
 405                 ret = request_firmware(&fw, filename, &dev->dev);
 406                 if (ret != 0) {
 407                         err("did not find the firmware file. (%s) "
 408                         "Please see linux/Documentation/dvb/ for more details "
 409                         "on firmware-problems.", filename);
 410                         return ret;
 411                 }
 412                 break;
 413         default:
 414                 fw = frmwr;
 415                 break;
 416         }
 417         info("start downloading DW210X firmware");
 418         p = kmalloc(fw->size, GFP_KERNEL);
 419         reset = 1;
 420         /*stop the CPU*/
 421         dw2102_op_rw(dev, 0xa0, 0x7f92, 0, &reset, 1, DW2102_WRITE_MSG);
 422         dw2102_op_rw(dev, 0xa0, 0xe600, 0, &reset, 1, DW2102_WRITE_MSG);
 423
 424         if (p != NULL) {
 425                 memcpy(p, fw->data, fw->size);
 426                 for (i = 0; i < fw->size; i += 0x40) {
 427                         b = (u8 *) p + i;
 428                         if (dw2102_op_rw(dev, 0xa0, i, 0, b , 0x40,
 429                                         DW2102_WRITE_MSG) != 0x40) {
 430                                 err("error while transferring firmware");
 431                                 ret = -EINVAL;
 432                                 break;
 433                         }
 434                 }
 435                 /* restart the CPU */
 436                 reset = 0;
 437                 if (ret || dw2102_op_rw(dev, 0xa0, 0x7f92, 0, &reset, 1,
 438                                         DW2102_WRITE_MSG) != 1) {
 439                         err("could not restart the USB controller CPU.");
 440                         ret = -EINVAL;
 441                 }
 442                 if (ret || dw2102_op_rw(dev, 0xa0, 0xe600, 0, &reset, 1,
 443                                         DW2102_WRITE_MSG) != 1) {
 444                         err("could not restart the USB controller CPU.");
 445                         ret = -EINVAL;
 446                 }
 447                 /* init registers */
 448                 switch (dev->descriptor.idProduct) {
 449                 case USB_PID_DW2104:
 450                 case 0xd650:
 451                         reset = 1;
 452                         dw2102_op_rw(dev, 0xc4, 0x0000, 0, &reset, 1,
 453                                         DW2102_WRITE_MSG);
 454                         reset = 0;
 455                         dw2102_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0,
 456                                         DW2102_WRITE_MSG);
 457                         break;
 458                 case USB_PID_DW2102:
 459                         dw2102_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0,
 460                                         DW2102_WRITE_MSG);
 461                         dw2102_op_rw(dev, 0xb9, 0x0000, 0, &reset16[0], 2,
 462                                         DW2102_READ_MSG);
 463                         break;
 464                 case 0x2101:
 465                         dw2102_op_rw(dev, 0xbc, 0x0030, 0, &reset16[0], 2,
 466                                         DW2102_READ_MSG);
 467                         dw2102_op_rw(dev, 0xba, 0x0000, 0, &reset16[0], 7,
 468                                         DW2102_READ_MSG);
 469                         dw2102_op_rw(dev, 0xba, 0x0000, 0, &reset16[0], 7,
 470                                         DW2102_READ_MSG);
 471                         dw2102_op_rw(dev, 0xb9, 0x0000, 0, &reset16[0], 2,
 472                                         DW2102_READ_MSG);
 473                         break;
 474                 }
 475                 msleep(100);
 476                 kfree(p);
 477         }
 478         return ret;
 479 }
 480
 481 static struct dvb_usb_device_properties dw2102_properties = {
 482         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 483         .usb_ctrl = DEVICE_SPECIFIC,
 484         .firmware = "dvb-usb-dw2102.fw",
 485         .size_of_priv = sizeof(struct dw2102_state),
 486         .no_reconnect = 1,
 487
 488         .i2c_algo = &dw2102_i2c_algo,
 489         .rc_key_map = dw2102_rc_keys,
 490         .rc_key_map_size = ARRAY_SIZE(dw2102_rc_keys),
 491         .rc_interval = 150,
 492         .rc_query = dw2102_rc_query,
 493
 494         .generic_bulk_ctrl_endpoint = 0x81,
 495         /* parameter for the MPEG2-data transfer */
 496         .num_adapters = 1,
 497         .download_firmware = dw2102_load_firmware,
 498         .read_mac_address = dw2102_read_mac_address,
 499                 .adapter = {
 500                 {
 501                         .frontend_attach = dw2102_frontend_attach,
 502                         .streaming_ctrl = NULL,
 503                         .tuner_attach = dw2102_tuner_attach,
 504                         .stream = {
 505                                 .type = USB_BULK,
 506                                 .count = 8,
 507                                 .endpoint = 0x82,
 508                                 .u = {
 509                                         .bulk = {
 510                                                 .buffersize = 4096,
 511                                         }
 512                                 }
 513                         },
 514                 }
 515         },
 516         .num_device_descs = 2,
 517         .devices = {
 518                 {"DVBWorld DVB-S 2102 USB2.0",
 519                         {&dw2102_table[0], NULL},
 520                         {NULL},
 521                 },
 522                 {"DVBWorld DVB-S 2101 USB2.0",
 523                         {&dw2102_table[1], NULL},
 524                         {NULL},
 525                 },
 526         }
 527 };
 528
 529 static struct dvb_usb_device_properties dw2104_properties = {
 530         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 531         .usb_ctrl = DEVICE_SPECIFIC,
 532         .firmware = "dvb-usb-dw2104.fw",
 533         .size_of_priv = sizeof(struct dw2102_state),
 534         .no_reconnect = 1,
 535
 536         .i2c_algo = &dw2104_i2c_algo,
 537         .rc_key_map = dw2102_rc_keys,
 538         .rc_key_map_size = ARRAY_SIZE(dw2102_rc_keys),
 539         .rc_interval = 150,
 540         .rc_query = dw2102_rc_query,
 541
 542         .generic_bulk_ctrl_endpoint = 0x81,
 543         /* parameter for the MPEG2-data transfer */
 544         .num_adapters = 1,
 545         .download_firmware = dw2102_load_firmware,
 546         .read_mac_address = dw2102_read_mac_address,
 547         .adapter = {
 548                 {
 549                         .frontend_attach = dw2104_frontend_attach,
 550                         .streaming_ctrl = NULL,
 551                         /*.tuner_attach = dw2104_tuner_attach,*/
 552                         .stream = {
 553                                 .type = USB_BULK,
 554                                 .count = 8,
 555                                 .endpoint = 0x82,
 556                                 .u = {
 557                                         .bulk = {
 558                                                 .buffersize = 4096,
 559                                         }
 560                                 }
 561                         },
 562                 }
 563         },
 564         .num_device_descs = 2,
 565         .devices = {
 566                 { "DVBWorld DW2104 USB2.0",
 567                         {&dw2102_table[2], NULL},
 568                         {NULL},
 569                 },
 570                 { "TeVii S650 USB2.0",
 571                         {&dw2102_table[3], NULL},
 572                         {NULL},
 573                 },
 574         }
 575 };
 576
 577 static int dw2102_probe(struct usb_interface *intf,
 578                 const struct usb_device_id *id)
 579 {
 580         if (0 == dvb_usb_device_init(intf, &dw2102_properties,
 581                         THIS_MODULE, NULL, adapter_nr) ||
 582             0 == dvb_usb_device_init(intf, &dw2104_properties,
 583                         THIS_MODULE, NULL, adapter_nr)) {
 584                 return 0;
 585         }
 586         return -ENODEV;
 587 }
 588
 589 static struct usb_driver dw2102_driver = {
 590         .name = "dw2102",
 591         .probe = dw2102_probe,
 592         .disconnect = dvb_usb_device_exit,
 593         .id_table = dw2102_table,
 594 };
 595
 596 static int __init dw2102_module_init(void)
 597 {
 598         int ret =  usb_register(&dw2102_driver);
 599         if (ret)
 600                 err("usb_register failed. Error number %d", ret);
 601
 602         return ret;
 603 }
 604
 605 static void __exit dw2102_module_exit(void)
 606 {
 607         usb_deregister(&dw2102_driver);
 608 }
 609
 610 module_init(dw2102_module_init);
 611 module_exit(dw2102_module_exit);
 612
 613 MODULE_AUTHOR("Igor M. Liplianin (c) liplianin@me.by");
 614 MODULE_DESCRIPTION("Driver for DVBWorld DVB-S 2101, 2102, DVB-S2 2104 USB2.0 device");
 615 MODULE_VERSION("0.1");
 616 MODULE_LICENSE("GPL");