SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/media/dvb/dvb-usb/m920x.c

   1 /* DVB USB compliant linux driver for MSI Mega Sky 580 DVB-T USB2.0 receiver
   2  *
   3  * Copyright (C) 2006 Aapo Tahkola (aet@rasterburn.org)
   4  *
   5  *      This program is free software; you can redistribute it and/or modify it
   6  *      under the terms of the GNU General Public License as published by the
   7  *      Free Software Foundation, version 2.
   8  *
   9  * see Documentation/dvb/README.dvb-usb for more information
  10  */
  11
  12 #include "m920x.h"
  13
  14 #include "mt352.h"
  15 #include "mt352_priv.h"
  16 #include "qt1010.h"
  17 #include "tda1004x.h"
  18 #include "tda827x.h"
  19
  20 /* debug */
  21 static int dvb_usb_m920x_debug;
  22 module_param_named(debug,dvb_usb_m920x_debug, int, 0644);
  23 MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
  24
  25 static int m920x_set_filter(struct dvb_usb_device *d, int type, int idx, int pid);
  26
  27 static inline int m920x_read(struct usb_device *udev, u8 request, u16 value,
  28                              u16 index, void *data, int size)
  29 {
  30         int ret;
  31
  32         ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
  33                               request, USB_TYPE_VENDOR | USB_DIR_IN,
  34                               value, index, data, size, 2000);
  35         if (ret < 0) {
  36                 printk(KERN_INFO "m920x_read = error: %d\n", ret);
  37                 return ret;
  38         }
  39
  40         if (ret != size) {
  41                 deb("m920x_read = no data\n");
  42                 return -EIO;
  43         }
  44
  45         return 0;
  46 }
  47
  48 static inline int m920x_write(struct usb_device *udev, u8 request,
  49                               u16 value, u16 index)
  50 {
  51         int ret;
  52
  53         ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
  54                               request, USB_TYPE_VENDOR | USB_DIR_OUT,
  55                               value, index, NULL, 0, 2000);
  56
  57         return ret;
  58 }
  59
  60 static int m920x_init(struct dvb_usb_device *d, struct m920x_inits *rc_seq)
  61 {
  62         int ret = 0, i, epi, flags = 0;
  63         int adap_enabled[M9206_MAX_ADAPTERS] = { 0 };
  64
  65         /* Remote controller init. */
  66         if (d->props.rc_query) {
  67                 deb("Initialising remote control\n");
  68                 while (rc_seq->address) {
  69                         if ((ret = m920x_write(d->udev, M9206_CORE,
  70                                                rc_seq->data,
  71                                                rc_seq->address)) != 0) {
  72                                 deb("Initialising remote control failed\n");
  73                                 return ret;
  74                         }
  75
  76                         rc_seq++;
  77                 }
  78
  79                 deb("Initialising remote control success\n");
  80         }
  81
  82         for (i = 0; i < d->props.num_adapters; i++)
  83                 flags |= d->adapter[i].props.caps;
  84
  85         /* Some devices(Dposh) might crash if we attempt touch at all. */
  86         if (flags & DVB_USB_ADAP_HAS_PID_FILTER) {
  87                 for (i = 0; i < d->props.num_adapters; i++) {
  88                         epi = d->adapter[i].props.stream.endpoint - 0x81;
  89
  90                         if (epi < 0 || epi >= M9206_MAX_ADAPTERS) {
  91                                 printk(KERN_INFO "m920x: Unexpected adapter endpoint!\n");
  92                                 return -EINVAL;
  93                         }
  94
  95                         adap_enabled[epi] = 1;
  96                 }
  97
  98                 for (i = 0; i < M9206_MAX_ADAPTERS; i++) {
  99                         if (adap_enabled[i])
 100                                 continue;
 101
 102                         if ((ret = m920x_set_filter(d, 0x81 + i, 0, 0x0)) != 0)
 103                                 return ret;
 104
 105                         if ((ret = m920x_set_filter(d, 0x81 + i, 0, 0x02f5)) != 0)
 106                                 return ret;
 107                 }
 108         }
 109
 110         return ret;
 111 }
 112
 113 static int m920x_init_ep(struct usb_interface *intf)
 114 {
 115         struct usb_device *udev = interface_to_usbdev(intf);
 116         struct usb_host_interface *alt;
 117
 118         if ((alt = usb_altnum_to_altsetting(intf, 1)) == NULL) {
 119                 deb("No alt found!\n");
 120                 return -ENODEV;
 121         }
 122
 123         return usb_set_interface(udev, alt->desc.bInterfaceNumber,
 124                                  alt->desc.bAlternateSetting);
 125 }
 126
 127 static int m920x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 128 {
 129         struct m920x_state *m = d->priv;
 130         int i, ret = 0;
 131         u8 rc_state[2];
 132
 133         if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, rc_state, 1)) != 0)
 134                 goto unlock;
 135
 136         if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, rc_state + 1, 1)) != 0)
 137                 goto unlock;
 138
 139         for (i = 0; i < d->props.rc_key_map_size; i++)
 140                 if (d->props.rc_key_map[i].data == rc_state[1]) {
 141                         *event = d->props.rc_key_map[i].event;
 142
 143                         switch(rc_state[0]) {
 144                         case 0x80:
 145                                 *state = REMOTE_NO_KEY_PRESSED;
 146                                 goto unlock;
 147
 148                         case 0x88: /* framing error or "invalid code" */
 149                         case 0x99:
 150                         case 0xc0:
 151                         case 0xd8:
 152                                 *state = REMOTE_NO_KEY_PRESSED;
 153                                 m->rep_count = 0;
 154                                 goto unlock;
 155
 156                         case 0x93:
 157                         case 0x92:
 158                                 m->rep_count = 0;
 159                                 *state = REMOTE_KEY_PRESSED;
 160                                 goto unlock;
 161
 162                         case 0x91:
 163                                 /* prevent immediate auto-repeat */
 164                                 if (++m->rep_count > 2)
 165                                         *state = REMOTE_KEY_REPEAT;
 166                                 else
 167                                         *state = REMOTE_NO_KEY_PRESSED;
 168                                 goto unlock;
 169
 170                         default:
 171                                 deb("Unexpected rc state %02x\n", rc_state[0]);
 172                                 *state = REMOTE_NO_KEY_PRESSED;
 173                                 goto unlock;
 174                         }
 175                 }
 176
 177         if (rc_state[1] != 0)
 178                 deb("Unknown rc key %02x\n", rc_state[1]);
 179
 180         *state = REMOTE_NO_KEY_PRESSED;
 181
 182  unlock:
 183
 184         return ret;
 185 }
 186
 187 /* I2C */
 188 static int m920x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
 189 {
 190         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 191         int i, j;
 192         int ret = 0;
 193
 194         if (!num)
 195                 return -EINVAL;
 196
 197         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 198                 return -EAGAIN;
 199
 200         for (i = 0; i < num; i++) {
 201                 if (msg[i].flags & (I2C_M_NO_RD_ACK | I2C_M_IGNORE_NAK | I2C_M_TEN) || msg[i].len == 0) {
 202                         /* For a 0 byte message, I think sending the address
 203                          * to index 0x80|0x40 would be the correct thing to
 204                          * do.  However, zero byte messages are only used for
 205                          * probing, and since we don't know how to get the
 206                          * slave's ack, we can't probe. */
 207                         ret = -ENOTSUPP;
 208                         goto unlock;
 209                 }
 210                 /* Send START & address/RW bit */
 211                 if (!(msg[i].flags & I2C_M_NOSTART)) {
 212                         if ((ret = m920x_write(d->udev, M9206_I2C,
 213                                         (msg[i].addr << 1) |
 214                                         (msg[i].flags & I2C_M_RD ? 0x01 : 0), 0x80)) != 0)
 215                                 goto unlock;
 216                         /* Should check for ack here, if we knew how. */
 217                 }
 218                 if (msg[i].flags & I2C_M_RD) {
 219                         for (j = 0; j < msg[i].len; j++) {
 220                                 /* Last byte of transaction?
 221                                  * Send STOP, otherwise send ACK. */
 222                                 int stop = (i+1 == num && j+1 == msg[i].len) ? 0x40 : 0x01;
 223
 224                                 if ((ret = m920x_read(d->udev, M9206_I2C, 0x0,
 225                                                       0x20 | stop,
 226                                                       &msg[i].buf[j], 1)) != 0)
 227                                         goto unlock;
 228                         }
 229                 } else {
 230                         for (j = 0; j < msg[i].len; j++) {
 231                                 /* Last byte of transaction? Then send STOP. */
 232                                 int stop = (i+1 == num && j+1 == msg[i].len) ? 0x40 : 0x00;
 233
 234                                 if ((ret = m920x_write(d->udev, M9206_I2C, msg[i].buf[j], stop)) != 0)
 235                                         goto unlock;
 236                                 /* Should check for ack here too. */
 237                         }
 238                 }
 239         }
 240         ret = num;
 241
 242  unlock:
 243         mutex_unlock(&d->i2c_mutex);
 244
 245         return ret;
 246 }
 247
 248 static u32 m920x_i2c_func(struct i2c_adapter *adapter)
 249 {
 250         return I2C_FUNC_I2C;
 251 }
 252
 253 static struct i2c_algorithm m920x_i2c_algo = {
 254         .master_xfer   = m920x_i2c_xfer,
 255         .functionality = m920x_i2c_func,
 256 };
 257
 258 /* pid filter */
 259 static int m920x_set_filter(struct dvb_usb_device *d, int type, int idx, int pid)
 260 {
 261         int ret = 0;
 262
 263         if (pid >= 0x8000)
 264                 return -EINVAL;
 265
 266         pid |= 0x8000;
 267
 268         if ((ret = m920x_write(d->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0)
 269                 return ret;
 270
 271         if ((ret = m920x_write(d->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0)
 272                 return ret;
 273
 274         return ret;
 275 }
 276
 277 static int m920x_update_filters(struct dvb_usb_adapter *adap)
 278 {
 279         struct m920x_state *m = adap->dev->priv;
 280         int enabled = m->filtering_enabled[adap->id];
 281         int i, ret = 0, filter = 0;
 282         int ep = adap->props.stream.endpoint;
 283
 284         for (i = 0; i < M9206_MAX_FILTERS; i++)
 285                 if (m->filters[adap->id][i] == 8192)
 286                         enabled = 0;
 287
 288         /* Disable all filters */
 289         if ((ret = m920x_set_filter(adap->dev, ep, 1, enabled)) != 0)
 290                 return ret;
 291
 292         for (i = 0; i < M9206_MAX_FILTERS; i++)
 293                 if ((ret = m920x_set_filter(adap->dev, ep, i + 2, 0)) != 0)
 294                         return ret;
 295
 296         /* Set */
 297         if (enabled) {
 298                 for (i = 0; i < M9206_MAX_FILTERS; i++) {
 299                         if (m->filters[adap->id][i] == 0)
 300                                 continue;
 301
 302                         if ((ret = m920x_set_filter(adap->dev, ep, filter + 2, m->filters[adap->id][i])) != 0)
 303                                 return ret;
 304
 305                         filter++;
 306                 }
 307         }
 308
 309         return ret;
 310 }
 311
 312 static int m920x_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
 313 {
 314         struct m920x_state *m = adap->dev->priv;
 315
 316         m->filtering_enabled[adap->id] = onoff ? 1 : 0;
 317
 318         return m920x_update_filters(adap);
 319 }
 320
 321 static int m920x_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
 322 {
 323         struct m920x_state *m = adap->dev->priv;
 324
 325         m->filters[adap->id][index] = onoff ? pid : 0;
 326
 327         return m920x_update_filters(adap);
 328 }
 329
 330 static int m920x_firmware_download(struct usb_device *udev, const struct firmware *fw)
 331 {
 332         u16 value, index, size;
 333         u8 read[4], *buff;
 334         int i, pass, ret = 0;
 335
 336         buff = kmalloc(65536, GFP_KERNEL);
 337
 338         if ((ret = m920x_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
 339                 goto done;
 340         deb("%x %x %x %x\n", read[0], read[1], read[2], read[3]);
 341
 342         if ((ret = m920x_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0)
 343                 goto done;
 344         deb("%x\n", read[0]);
 345
 346         for (pass = 0; pass < 2; pass++) {
 347                 for (i = 0; i + (sizeof(u16) * 3) < fw->size;) {
 348                         value = le16_to_cpu(*(u16 *)(fw->data + i));
 349                         i += sizeof(u16);
 350
 351                         index = le16_to_cpu(*(u16 *)(fw->data + i));
 352                         i += sizeof(u16);
 353
 354                         size = le16_to_cpu(*(u16 *)(fw->data + i));
 355                         i += sizeof(u16);
 356
 357                         if (pass == 1) {
 358                                 /* Will stall if using fw->data ... */
 359                                 memcpy(buff, fw->data + i, size);
 360
 361                                 ret = usb_control_msg(udev, usb_sndctrlpipe(udev,0),
 362                                                       M9206_FW,
 363                                                       USB_TYPE_VENDOR | USB_DIR_OUT,
 364                                                       value, index, buff, size, 20);
 365                                 if (ret != size) {
 366                                         deb("error while uploading fw!\n");
 367                                         ret = -EIO;
 368                                         goto done;
 369                                 }
 370                                 msleep(3);
 371                         }
 372                         i += size;
 373                 }
 374                 if (i != fw->size) {
 375                         deb("bad firmware file!\n");
 376                         ret = -EINVAL;
 377                         goto done;
 378                 }
 379         }
 380
 381         msleep(36);
 382
 383         /* m920x will disconnect itself from the bus after this. */
 384         (void) m920x_write(udev, M9206_CORE, 0x01, M9206_FW_GO);
 385         deb("firmware uploaded!\n");
 386
 387  done:
 388         kfree(buff);
 389
 390         return ret;
 391 }
 392
 393 /* Callbacks for DVB USB */
 394 static int m920x_identify_state(struct usb_device *udev,
 395                                 struct dvb_usb_device_properties *props,
 396                                 struct dvb_usb_device_description **desc,
 397                                 int *cold)
 398 {
 399         struct usb_host_interface *alt;
 400
 401         alt = usb_altnum_to_altsetting(usb_ifnum_to_if(udev, 0), 1);
 402         *cold = (alt == NULL) ? 1 : 0;
 403
 404         return 0;
 405 }
 406
 407 /* demod configurations */
 408 static int m920x_mt352_demod_init(struct dvb_frontend *fe)
 409 {
 410         int ret;
 411         u8 config[] = { CONFIG, 0x3d };
 412         u8 clock[] = { CLOCK_CTL, 0x30 };
 413         u8 reset[] = { RESET, 0x80 };
 414         u8 adc_ctl[] = { ADC_CTL_1, 0x40 };
 415         u8 agc[] = { AGC_TARGET, 0x1c, 0x20 };
 416         u8 sec_agc[] = { 0x69, 0x00, 0xff, 0xff, 0x40, 0xff, 0x00, 0x40, 0x40 };
 417         u8 unk1[] = { 0x93, 0x1a };
 418         u8 unk2[] = { 0xb5, 0x7a };
 419
 420         deb("Demod init!\n");
 421
 422         if ((ret = mt352_write(fe, config, ARRAY_SIZE(config))) != 0)
 423                 return ret;
 424         if ((ret = mt352_write(fe, clock, ARRAY_SIZE(clock))) != 0)
 425                 return ret;
 426         if ((ret = mt352_write(fe, reset, ARRAY_SIZE(reset))) != 0)
 427                 return ret;
 428         if ((ret = mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl))) != 0)
 429                 return ret;
 430         if ((ret = mt352_write(fe, agc, ARRAY_SIZE(agc))) != 0)
 431                 return ret;
 432         if ((ret = mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc))) != 0)
 433                 return ret;
 434         if ((ret = mt352_write(fe, unk1, ARRAY_SIZE(unk1))) != 0)
 435                 return ret;
 436         if ((ret = mt352_write(fe, unk2, ARRAY_SIZE(unk2))) != 0)
 437                 return ret;
 438
 439         return 0;
 440 }
 441
 442 static struct mt352_config m920x_mt352_config = {
 443         .demod_address = 0x0f,
 444         .no_tuner = 1,
 445         .demod_init = m920x_mt352_demod_init,
 446 };
 447
 448 static struct tda1004x_config m920x_tda10046_08_config = {
 449         .demod_address = 0x08,
 450         .invert = 0,
 451         .invert_oclk = 0,
 452         .ts_mode = TDA10046_TS_SERIAL,
 453         .xtal_freq = TDA10046_XTAL_16M,
 454         .if_freq = TDA10046_FREQ_045,
 455         .agc_config = TDA10046_AGC_TDA827X,
 456         .gpio_config = TDA10046_GPTRI,
 457         .request_firmware = NULL,
 458 };
 459
 460 static struct tda1004x_config m920x_tda10046_0b_config = {
 461         .demod_address = 0x0b,
 462         .invert = 0,
 463         .invert_oclk = 0,
 464         .ts_mode = TDA10046_TS_SERIAL,
 465         .xtal_freq = TDA10046_XTAL_16M,
 466         .if_freq = TDA10046_FREQ_045,
 467         .agc_config = TDA10046_AGC_TDA827X,
 468         .gpio_config = TDA10046_GPTRI,
 469         .request_firmware = NULL, /* uses firmware EEPROM */
 470 };
 471
 472 /* tuner configurations */
 473 static struct qt1010_config m920x_qt1010_config = {
 474         .i2c_address = 0x62
 475 };
 476
 477 /* Callbacks for DVB USB */
 478 static int m920x_mt352_frontend_attach(struct dvb_usb_adapter *adap)
 479 {
 480         deb("%s\n",__func__);
 481
 482         if ((adap->fe = dvb_attach(mt352_attach,
 483                                    &m920x_mt352_config,
 484                                    &adap->dev->i2c_adap)) == NULL)
 485                 return -EIO;
 486
 487         return 0;
 488 }
 489
 490 static int m920x_tda10046_08_frontend_attach(struct dvb_usb_adapter *adap)
 491 {
 492         deb("%s\n",__func__);
 493
 494         if ((adap->fe = dvb_attach(tda10046_attach,
 495                                    &m920x_tda10046_08_config,
 496                                    &adap->dev->i2c_adap)) == NULL)
 497                 return -EIO;
 498
 499         return 0;
 500 }
 501
 502 static int m920x_tda10046_0b_frontend_attach(struct dvb_usb_adapter *adap)
 503 {
 504         deb("%s\n",__func__);
 505
 506         if ((adap->fe = dvb_attach(tda10046_attach,
 507                                    &m920x_tda10046_0b_config,
 508                                    &adap->dev->i2c_adap)) == NULL)
 509                 return -EIO;
 510
 511         return 0;
 512 }
 513
 514 static int m920x_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
 515 {
 516         deb("%s\n",__func__);
 517
 518         if (dvb_attach(qt1010_attach, adap->fe, &adap->dev->i2c_adap, &m920x_qt1010_config) == NULL)
 519                 return -ENODEV;
 520
 521         return 0;
 522 }
 523
 524 static int m920x_tda8275_60_tuner_attach(struct dvb_usb_adapter *adap)
 525 {
 526         deb("%s\n",__func__);
 527
 528         if (dvb_attach(tda827x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, NULL) == NULL)
 529                 return -ENODEV;
 530
 531         return 0;
 532 }
 533
 534 static int m920x_tda8275_61_tuner_attach(struct dvb_usb_adapter *adap)
 535 {
 536         deb("%s\n",__func__);
 537
 538         if (dvb_attach(tda827x_attach, adap->fe, 0x61, &adap->dev->i2c_adap, NULL) == NULL)
 539                 return -ENODEV;
 540
 541         return 0;
 542 }
 543
 544 /* device-specific initialization */
 545 static struct m920x_inits megasky_rc_init [] = {
 546         { M9206_RC_INIT2, 0xa8 },
 547         { M9206_RC_INIT1, 0x51 },
 548         { } /* terminating entry */
 549 };
 550
 551 static struct m920x_inits tvwalkertwin_rc_init [] = {
 552         { M9206_RC_INIT2, 0x00 },
 553         { M9206_RC_INIT1, 0xef },
 554         { 0xff28,         0x00 },
 555         { 0xff23,         0x00 },
 556         { 0xff21,         0x30 },
 557         { } /* terminating entry */
 558 };
 559
 560 /* ir keymaps */
 561 static struct dvb_usb_rc_key megasky_rc_keys [] = {
 562         { 0x0, 0x12, KEY_POWER },
 563         { 0x0, 0x1e, KEY_CYCLEWINDOWS }, /* min/max */
 564         { 0x0, 0x02, KEY_CHANNELUP },
 565         { 0x0, 0x05, KEY_CHANNELDOWN },
 566         { 0x0, 0x03, KEY_VOLUMEUP },
 567         { 0x0, 0x06, KEY_VOLUMEDOWN },
 568         { 0x0, 0x04, KEY_MUTE },
 569         { 0x0, 0x07, KEY_OK }, /* TS */
 570         { 0x0, 0x08, KEY_STOP },
 571         { 0x0, 0x09, KEY_MENU }, /* swap */
 572         { 0x0, 0x0a, KEY_REWIND },
 573         { 0x0, 0x1b, KEY_PAUSE },
 574         { 0x0, 0x1f, KEY_FASTFORWARD },
 575         { 0x0, 0x0c, KEY_RECORD },
 576         { 0x0, 0x0d, KEY_CAMERA }, /* screenshot */
 577         { 0x0, 0x0e, KEY_COFFEE }, /* "MTS" */
 578 };
 579
 580 static struct dvb_usb_rc_key tvwalkertwin_rc_keys [] = {
 581         { 0x0, 0x01, KEY_ZOOM }, /* Full Screen */
 582         { 0x0, 0x02, KEY_CAMERA }, /* snapshot */
 583         { 0x0, 0x03, KEY_MUTE },
 584         { 0x0, 0x04, KEY_REWIND },
 585         { 0x0, 0x05, KEY_PLAYPAUSE }, /* Play/Pause */
 586         { 0x0, 0x06, KEY_FASTFORWARD },
 587         { 0x0, 0x07, KEY_RECORD },
 588         { 0x0, 0x08, KEY_STOP },
 589         { 0x0, 0x09, KEY_TIME }, /* Timeshift */
 590         { 0x0, 0x0c, KEY_COFFEE }, /* Recall */
 591         { 0x0, 0x0e, KEY_CHANNELUP },
 592         { 0x0, 0x12, KEY_POWER },
 593         { 0x0, 0x15, KEY_MENU }, /* source */
 594         { 0x0, 0x18, KEY_CYCLEWINDOWS }, /* TWIN PIP */
 595         { 0x0, 0x1a, KEY_CHANNELDOWN },
 596         { 0x0, 0x1b, KEY_VOLUMEDOWN },
 597         { 0x0, 0x1e, KEY_VOLUMEUP },
 598 };
 599
 600 /* DVB USB Driver stuff */
 601 static struct dvb_usb_device_properties megasky_properties;
 602 static struct dvb_usb_device_properties digivox_mini_ii_properties;
 603 static struct dvb_usb_device_properties tvwalkertwin_properties;
 604 static struct dvb_usb_device_properties dposh_properties;
 605
 606 static int m920x_probe(struct usb_interface *intf,
 607                        const struct usb_device_id *id)
 608 {
 609         struct dvb_usb_device *d = NULL;
 610         int ret;
 611         struct m920x_inits *rc_init_seq = NULL;
 612         int bInterfaceNumber = intf->cur_altsetting->desc.bInterfaceNumber;
 613
 614         deb("Probing for m920x device at interface %d\n", bInterfaceNumber);
 615
 616         if (bInterfaceNumber == 0) {
 617                 /* Single-tuner device, or first interface on
 618                  * multi-tuner device
 619                  */
 620
 621                 if ((ret = dvb_usb_device_init(intf, &megasky_properties,
 622                                                THIS_MODULE, &d)) == 0) {
 623                         rc_init_seq = megasky_rc_init;
 624                         goto found;
 625                 }
 626
 627                 if ((ret = dvb_usb_device_init(intf, &digivox_mini_ii_properties,
 628                                                THIS_MODULE, &d)) == 0) {
 629                         /* No remote control, so no rc_init_seq */
 630                         goto found;
 631                 }
 632
 633                 /* This configures both tuners on the TV Walker Twin */
 634                 if ((ret = dvb_usb_device_init(intf, &tvwalkertwin_properties,
 635                                                THIS_MODULE, &d)) == 0) {
 636                         rc_init_seq = tvwalkertwin_rc_init;
 637                         goto found;
 638                 }
 639
 640                 if ((ret = dvb_usb_device_init(intf, &dposh_properties,
 641                                                THIS_MODULE, &d)) == 0) {
 642                         /* Remote controller not supported yet. */
 643                         goto found;
 644                 }
 645
 646                 return ret;
 647         } else {
 648                 /* Another interface on a multi-tuner device */
 649
 650                 /* The LifeView TV Walker Twin gets here, but struct
 651                  * tvwalkertwin_properties already configured both
 652                  * tuners, so there is nothing for us to do here
 653                  */
 654         }
 655
 656  found:
 657         if ((ret = m920x_init_ep(intf)) < 0)
 658                 return ret;
 659
 660         if (d && (ret = m920x_init(d, rc_init_seq)) != 0)
 661                 return ret;
 662
 663         return ret;
 664 }
 665
 666 static struct usb_device_id m920x_table [] = {
 667                 { USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580) },
 668                 { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
 669                              USB_PID_MSI_DIGI_VOX_MINI_II) },
 670                 { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
 671                              USB_PID_LIFEVIEW_TV_WALKER_TWIN_COLD) },
 672                 { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
 673                              USB_PID_LIFEVIEW_TV_WALKER_TWIN_WARM) },
 674                 { USB_DEVICE(USB_VID_DPOSH, USB_PID_DPOSH_M9206_COLD) },
 675                 { USB_DEVICE(USB_VID_DPOSH, USB_PID_DPOSH_M9206_WARM) },
 676                 { }             /* Terminating entry */
 677 };
 678 MODULE_DEVICE_TABLE (usb, m920x_table);
 679
 680 static struct dvb_usb_device_properties megasky_properties = {
 681         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 682
 683         .usb_ctrl = DEVICE_SPECIFIC,
 684         .firmware = "dvb-usb-megasky-02.fw",
 685         .download_firmware = m920x_firmware_download,
 686
 687         .rc_interval      = 100,
 688         .rc_key_map       = megasky_rc_keys,
 689         .rc_key_map_size  = ARRAY_SIZE(megasky_rc_keys),
 690         .rc_query         = m920x_rc_query,
 691
 692         .size_of_priv     = sizeof(struct m920x_state),
 693
 694         .identify_state   = m920x_identify_state,
 695         .num_adapters = 1,
 696         .adapter = {{
 697                 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
 698                         DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 699
 700                 .pid_filter_count = 8,
 701                 .pid_filter       = m920x_pid_filter,
 702                 .pid_filter_ctrl  = m920x_pid_filter_ctrl,
 703
 704                 .frontend_attach  = m920x_mt352_frontend_attach,
 705                 .tuner_attach     = m920x_qt1010_tuner_attach,
 706
 707                 .stream = {
 708                         .type = USB_BULK,
 709                         .count = 8,
 710                         .endpoint = 0x81,
 711                         .u = {
 712                                 .bulk = {
 713                                         .buffersize = 512,
 714                                 }
 715                         }
 716                 },
 717         }},
 718         .i2c_algo         = &m920x_i2c_algo,
 719
 720         .num_device_descs = 1,
 721         .devices = {
 722                 {   "MSI Mega Sky 580 DVB-T USB2.0",
 723                         { &m920x_table[0], NULL },
 724                         { NULL },
 725                 }
 726         }
 727 };
 728
 729 static struct dvb_usb_device_properties digivox_mini_ii_properties = {
 730         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 731
 732         .usb_ctrl = DEVICE_SPECIFIC,
 733         .firmware = "dvb-usb-digivox-02.fw",
 734         .download_firmware = m920x_firmware_download,
 735
 736         .size_of_priv     = sizeof(struct m920x_state),
 737
 738         .identify_state   = m920x_identify_state,
 739         .num_adapters = 1,
 740         .adapter = {{
 741                 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
 742                         DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 743
 744                 .pid_filter_count = 8,
 745                 .pid_filter       = m920x_pid_filter,
 746                 .pid_filter_ctrl  = m920x_pid_filter_ctrl,
 747
 748                 .frontend_attach  = m920x_tda10046_08_frontend_attach,
 749                 .tuner_attach     = m920x_tda8275_60_tuner_attach,
 750
 751                 .stream = {
 752                         .type = USB_BULK,
 753                         .count = 8,
 754                         .endpoint = 0x81,
 755                         .u = {
 756                                 .bulk = {
 757                                         .buffersize = 0x4000,
 758                                 }
 759                         }
 760                 },
 761         }},
 762         .i2c_algo         = &m920x_i2c_algo,
 763
 764         .num_device_descs = 1,
 765         .devices = {
 766                 {   "MSI DIGI VOX mini II DVB-T USB2.0",
 767                         { &m920x_table[1], NULL },
 768                         { NULL },
 769                 },
 770         }
 771 };
 772
 773 /* LifeView TV Walker Twin support by Nick Andrew <nick@nick-andrew.net>
 774  *
 775  * LifeView TV Walker Twin has 1 x M9206, 2 x TDA10046, 2 x TDA8275A
 776  * TDA10046 #0 is located at i2c address 0x08
 777  * TDA10046 #1 is located at i2c address 0x0b
 778  * TDA8275A #0 is located at i2c address 0x60
 779  * TDA8275A #1 is located at i2c address 0x61
 780  */
 781 static struct dvb_usb_device_properties tvwalkertwin_properties = {
 782         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 783
 784         .usb_ctrl = DEVICE_SPECIFIC,
 785         .firmware = "dvb-usb-tvwalkert.fw",
 786         .download_firmware = m920x_firmware_download,
 787
 788         .rc_interval      = 100,
 789         .rc_key_map       = tvwalkertwin_rc_keys,
 790         .rc_key_map_size  = ARRAY_SIZE(tvwalkertwin_rc_keys),
 791         .rc_query         = m920x_rc_query,
 792
 793         .size_of_priv     = sizeof(struct m920x_state),
 794
 795         .identify_state   = m920x_identify_state,
 796         .num_adapters = 2,
 797         .adapter = {{
 798                 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
 799                         DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 800
 801                 .pid_filter_count = 8,
 802                 .pid_filter       = m920x_pid_filter,
 803                 .pid_filter_ctrl  = m920x_pid_filter_ctrl,
 804
 805                 .frontend_attach  = m920x_tda10046_08_frontend_attach,
 806                 .tuner_attach     = m920x_tda8275_60_tuner_attach,
 807
 808                 .stream = {
 809                         .type = USB_BULK,
 810                         .count = 8,
 811                         .endpoint = 0x81,
 812                         .u = {
 813                                  .bulk = {
 814                                          .buffersize = 512,
 815                                  }
 816                         }
 817                 }},{
 818                 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
 819                         DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 820
 821                 .pid_filter_count = 8,
 822                 .pid_filter       = m920x_pid_filter,
 823                 .pid_filter_ctrl  = m920x_pid_filter_ctrl,
 824
 825                 .frontend_attach  = m920x_tda10046_0b_frontend_attach,
 826                 .tuner_attach     = m920x_tda8275_61_tuner_attach,
 827
 828                 .stream = {
 829                         .type = USB_BULK,
 830                         .count = 8,
 831                         .endpoint = 0x82,
 832                         .u = {
 833                                  .bulk = {
 834                                          .buffersize = 512,
 835                                  }
 836                         }
 837                 },
 838         }},
 839         .i2c_algo         = &m920x_i2c_algo,
 840
 841         .num_device_descs = 1,
 842         .devices = {
 843                 {   .name = "LifeView TV Walker Twin DVB-T USB2.0",
 844                     .cold_ids = { &m920x_table[2], NULL },
 845                     .warm_ids = { &m920x_table[3], NULL },
 846                 },
 847         }
 848 };
 849
 850 static struct dvb_usb_device_properties dposh_properties = {
 851         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 852
 853         .usb_ctrl = DEVICE_SPECIFIC,
 854         .firmware = "dvb-usb-dposh-01.fw",
 855         .download_firmware = m920x_firmware_download,
 856
 857         .size_of_priv     = sizeof(struct m920x_state),
 858
 859         .identify_state   = m920x_identify_state,
 860         .num_adapters = 1,
 861         .adapter = {{
 862                 /* Hardware pid filters don't work with this device/firmware */
 863
 864                 .frontend_attach  = m920x_mt352_frontend_attach,
 865                 .tuner_attach     = m920x_qt1010_tuner_attach,
 866
 867                 .stream = {
 868                         .type = USB_BULK,
 869                         .count = 8,
 870                         .endpoint = 0x81,
 871                         .u = {
 872                                  .bulk = {
 873                                          .buffersize = 512,
 874                                  }
 875                         }
 876                 },
 877         }},
 878         .i2c_algo         = &m920x_i2c_algo,
 879
 880         .num_device_descs = 1,
 881         .devices = {
 882                  {   .name = "Dposh DVB-T USB2.0",
 883                      .cold_ids = { &m920x_table[4], NULL },
 884                      .warm_ids = { &m920x_table[5], NULL },
 885                  },
 886          }
 887 };
 888
 889 static struct usb_driver m920x_driver = {
 890         .name           = "dvb_usb_m920x",
 891         .probe          = m920x_probe,
 892         .disconnect     = dvb_usb_device_exit,
 893         .id_table       = m920x_table,
 894 };
 895
 896 /* module stuff */
 897 static int __init m920x_module_init(void)
 898 {
 899         int ret;
 900
 901         if ((ret = usb_register(&m920x_driver))) {
 902                 err("usb_register failed. Error number %d", ret);
 903                 return ret;
 904         }
 905
 906         return 0;
 907 }
 908
 909 static void __exit m920x_module_exit(void)
 910 {
 911         /* deregister this driver from the USB subsystem */
 912         usb_deregister(&m920x_driver);
 913 }
 914
 915 module_init (m920x_module_init);
 916 module_exit (m920x_module_exit);
 917
 918 MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>");
 919 MODULE_DESCRIPTION("DVB Driver for ULI M920x");
 920 MODULE_VERSION("0.1");
 921 MODULE_LICENSE("GPL");
 922
 923 /*
 924  * Local variables:
 925  * c-basic-offset: 8
 926  */