git.oblomov.eu Git - 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 #include <asm/unaligned.h>
  20
  21 /* debug */
  22 static int dvb_usb_m920x_debug;
  23 module_param_named(debug,dvb_usb_m920x_debug, int, 0644);
  24 MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
  25
  26 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  27
  28 static int m920x_set_filter(struct dvb_usb_device *d, int type, int idx, int pid);
  29
  30 static inline int m920x_read(struct usb_device *udev, u8 request, u16 value,
  31                              u16 index, void *data, int size)
  32 {
  33         int ret;
  34
  35         ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
  36                               request, USB_TYPE_VENDOR | USB_DIR_IN,
  37                               value, index, data, size, 2000);
  38         if (ret < 0) {
  39                 printk(KERN_INFO "m920x_read = error: %d\n", ret);
  40                 return ret;
  41         }
  42
  43         if (ret != size) {
  44                 deb("m920x_read = no data\n");
  45                 return -EIO;
  46         }
  47
  48         return 0;
  49 }
  50
  51 static inline int m920x_write(struct usb_device *udev, u8 request,
  52                               u16 value, u16 index)
  53 {
  54         int ret;
  55
  56         ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
  57                               request, USB_TYPE_VENDOR | USB_DIR_OUT,
  58                               value, index, NULL, 0, 2000);
  59
  60         return ret;
  61 }
  62
  63 static int m920x_init(struct dvb_usb_device *d, struct m920x_inits *rc_seq)
  64 {
  65         int ret = 0, i, epi, flags = 0;
  66         int adap_enabled[M9206_MAX_ADAPTERS] = { 0 };
  67
  68         /* Remote controller init. */
  69         if (d->props.rc_query) {
  70                 deb("Initialising remote control\n");
  71                 while (rc_seq->address) {
  72                         if ((ret = m920x_write(d->udev, M9206_CORE,
  73                                                rc_seq->data,
  74                                                rc_seq->address)) != 0) {
  75                                 deb("Initialising remote control failed\n");
  76                                 return ret;
  77                         }
  78
  79                         rc_seq++;
  80                 }
  81
  82                 deb("Initialising remote control success\n");
  83         }
  84
  85         for (i = 0; i < d->props.num_adapters; i++)
  86                 flags |= d->adapter[i].props.caps;
  87
  88         /* Some devices(Dposh) might crash if we attempt touch at all. */
  89         if (flags & DVB_USB_ADAP_HAS_PID_FILTER) {
  90                 for (i = 0; i < d->props.num_adapters; i++) {
  91                         epi = d->adapter[i].props.stream.endpoint - 0x81;
  92
  93                         if (epi < 0 || epi >= M9206_MAX_ADAPTERS) {
  94                                 printk(KERN_INFO "m920x: Unexpected adapter endpoint!\n");
  95                                 return -EINVAL;
  96                         }
  97
  98                         adap_enabled[epi] = 1;
  99                 }
 100
 101                 for (i = 0; i < M9206_MAX_ADAPTERS; i++) {
 102                         if (adap_enabled[i])
 103                                 continue;
 104
 105                         if ((ret = m920x_set_filter(d, 0x81 + i, 0, 0x0)) != 0)
 106                                 return ret;
 107
 108                         if ((ret = m920x_set_filter(d, 0x81 + i, 0, 0x02f5)) != 0)
 109                                 return ret;
 110                 }
 111         }
 112
 113         return ret;
 114 }
 115
 116 static int m920x_init_ep(struct usb_interface *intf)
 117 {
 118         struct usb_device *udev = interface_to_usbdev(intf);
 119         struct usb_host_interface *alt;
 120
 121         if ((alt = usb_altnum_to_altsetting(intf, 1)) == NULL) {
 122                 deb("No alt found!\n");
 123                 return -ENODEV;
 124         }
 125
 126         return usb_set_interface(udev, alt->desc.bInterfaceNumber,
 127                                  alt->desc.bAlternateSetting);
 128 }
 129
 130 static int m920x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 131 {
 132         struct m920x_state *m = d->priv;
 133         int i, ret = 0;
 134         u8 rc_state[2];
 135
 136         if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, rc_state, 1)) != 0)
 137                 goto unlock;
 138
 139         if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, rc_state + 1, 1)) != 0)
 140                 goto unlock;
 141
 142         for (i = 0; i < d->props.rc_key_map_size; i++)
 143                 if (d->props.rc_key_map[i].data == rc_state[1]) {
 144                         *event = d->props.rc_key_map[i].event;
 145
 146                         switch(rc_state[0]) {
 147                         case 0x80:
 148                                 *state = REMOTE_NO_KEY_PRESSED;
 149                                 goto unlock;
 150
 151                         case 0x88: /* framing error or "invalid code" */
 152                         case 0x99:
 153                         case 0xc0:
 154                         case 0xd8:
 155                                 *state = REMOTE_NO_KEY_PRESSED;
 156                                 m->rep_count = 0;
 157                                 goto unlock;
 158
 159                         case 0x93:
 160                         case 0x92:
 161                                 m->rep_count = 0;
 162                                 *state = REMOTE_KEY_PRESSED;
 163                                 goto unlock;
 164
 165                         case 0x91:
 166                                 /* prevent immediate auto-repeat */
 167                                 if (++m->rep_count > 2)
 168                                         *state = REMOTE_KEY_REPEAT;
 169                                 else
 170                                         *state = REMOTE_NO_KEY_PRESSED;
 171                                 goto unlock;
 172
 173                         default:
 174                                 deb("Unexpected rc state %02x\n", rc_state[0]);
 175                                 *state = REMOTE_NO_KEY_PRESSED;
 176                                 goto unlock;
 177                         }
 178                 }
 179
 180         if (rc_state[1] != 0)
 181                 deb("Unknown rc key %02x\n", rc_state[1]);
 182
 183         *state = REMOTE_NO_KEY_PRESSED;
 184
 185  unlock:
 186
 187         return ret;
 188 }
 189
 190 /* I2C */
 191 static int m920x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
 192 {
 193         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 194         int i, j;
 195         int ret = 0;
 196
 197         if (!num)
 198                 return -EINVAL;
 199
 200         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 201                 return -EAGAIN;
 202
 203         for (i = 0; i < num; i++) {
 204                 if (msg[i].flags & (I2C_M_NO_RD_ACK | I2C_M_IGNORE_NAK | I2C_M_TEN) || msg[i].len == 0) {
 205                         /* For a 0 byte message, I think sending the address
 206                          * to index 0x80|0x40 would be the correct thing to
 207                          * do.  However, zero byte messages are only used for
 208                          * probing, and since we don't know how to get the
 209                          * slave's ack, we can't probe. */
 210                         ret = -ENOTSUPP;
 211                         goto unlock;
 212                 }
 213                 /* Send START & address/RW bit */
 214                 if (!(msg[i].flags & I2C_M_NOSTART)) {
 215                         if ((ret = m920x_write(d->udev, M9206_I2C,
 216                                         (msg[i].addr << 1) |
 217                                         (msg[i].flags & I2C_M_RD ? 0x01 : 0), 0x80)) != 0)
 218                                 goto unlock;
 219                         /* Should check for ack here, if we knew how. */
 220                 }
 221                 if (msg[i].flags & I2C_M_RD) {
 222                         for (j = 0; j < msg[i].len; j++) {
 223                                 /* Last byte of transaction?
 224                                  * Send STOP, otherwise send ACK. */
 225                                 int stop = (i+1 == num && j+1 == msg[i].len) ? 0x40 : 0x01;
 226
 227                                 if ((ret = m920x_read(d->udev, M9206_I2C, 0x0,
 228                                                       0x20 | stop,
 229                                                       &msg[i].buf[j], 1)) != 0)
 230                                         goto unlock;
 231                         }
 232                 } else {
 233                         for (j = 0; j < msg[i].len; j++) {
 234                                 /* Last byte of transaction? Then send STOP. */
 235                                 int stop = (i+1 == num && j+1 == msg[i].len) ? 0x40 : 0x00;
 236
 237                                 if ((ret = m920x_write(d->udev, M9206_I2C, msg[i].buf[j], stop)) != 0)
 238                                         goto unlock;
 239                                 /* Should check for ack here too. */
 240                         }
 241                 }
 242         }
 243         ret = num;
 244
 245  unlock:
 246         mutex_unlock(&d->i2c_mutex);
 247
 248         return ret;
 249 }
 250
 251 static u32 m920x_i2c_func(struct i2c_adapter *adapter)
 252 {
 253         return I2C_FUNC_I2C;
 254 }
 255
 256 static struct i2c_algorithm m920x_i2c_algo = {
 257         .master_xfer   = m920x_i2c_xfer,
 258         .functionality = m920x_i2c_func,
 259 };
 260
 261 /* pid filter */
 262 static int m920x_set_filter(struct dvb_usb_device *d, int type, int idx, int pid)
 263 {
 264         int ret = 0;
 265
 266         if (pid >= 0x8000)
 267                 return -EINVAL;
 268
 269         pid |= 0x8000;
 270
 271         if ((ret = m920x_write(d->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0)
 272                 return ret;
 273
 274         if ((ret = m920x_write(d->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0)
 275                 return ret;
 276
 277         return ret;
 278 }
 279
 280 static int m920x_update_filters(struct dvb_usb_adapter *adap)
 281 {
 282         struct m920x_state *m = adap->dev->priv;
 283         int enabled = m->filtering_enabled[adap->id];
 284         int i, ret = 0, filter = 0;
 285         int ep = adap->props.stream.endpoint;
 286
 287         for (i = 0; i < M9206_MAX_FILTERS; i++)
 288                 if (m->filters[adap->id][i] == 8192)
 289                         enabled = 0;
 290
 291         /* Disable all filters */
 292         if ((ret = m920x_set_filter(adap->dev, ep, 1, enabled)) != 0)
 293                 return ret;
 294
 295         for (i = 0; i < M9206_MAX_FILTERS; i++)
 296                 if ((ret = m920x_set_filter(adap->dev, ep, i + 2, 0)) != 0)
 297                         return ret;
 298
 299         /* Set */
 300         if (enabled) {
 301                 for (i = 0; i < M9206_MAX_FILTERS; i++) {
 302                         if (m->filters[adap->id][i] == 0)
 303                                 continue;
 304
 305                         if ((ret = m920x_set_filter(adap->dev, ep, filter + 2, m->filters[adap->id][i])) != 0)
 306                                 return ret;
 307
 308                         filter++;
 309                 }
 310         }
 311
 312         return ret;
 313 }
 314
 315 static int m920x_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
 316 {
 317         struct m920x_state *m = adap->dev->priv;
 318
 319         m->filtering_enabled[adap->id] = onoff ? 1 : 0;
 320
 321         return m920x_update_filters(adap);
 322 }
 323
 324 static int m920x_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
 325 {
 326         struct m920x_state *m = adap->dev->priv;
 327
 328         m->filters[adap->id][index] = onoff ? pid : 0;
 329
 330         return m920x_update_filters(adap);
 331 }
 332
 333 static int m920x_firmware_download(struct usb_device *udev, const struct firmware *fw)
 334 {
 335         u16 value, index, size;
 336         u8 read[4], *buff;
 337         int i, pass, ret = 0;
 338
 339         buff = kmalloc(65536, GFP_KERNEL);
 340
 341         if ((ret = m920x_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
 342                 goto done;
 343         deb("%x %x %x %x\n", read[0], read[1], read[2], read[3]);
 344
 345         if ((ret = m920x_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0)
 346                 goto done;
 347         deb("%x\n", read[0]);
 348
 349         for (pass = 0; pass < 2; pass++) {
 350                 for (i = 0; i + (sizeof(u16) * 3) < fw->size;) {
 351                         value = get_unaligned_le16(fw->data + i);
 352                         i += sizeof(u16);
 353
 354                         index = get_unaligned_le16(fw->data + i);
 355                         i += sizeof(u16);
 356
 357                         size = get_unaligned_le16(fw->data + i);
 358                         i += sizeof(u16);
 359
 360                         if (pass == 1) {
 361                                 /* Will stall if using fw->data ... */
 362                                 memcpy(buff, fw->data + i, size);
 363
 364                                 ret = usb_control_msg(udev, usb_sndctrlpipe(udev,0),
 365                                                       M9206_FW,
 366                                                       USB_TYPE_VENDOR | USB_DIR_OUT,
 367                                                       value, index, buff, size, 20);
 368                                 if (ret != size) {
 369                                         deb("error while uploading fw!\n");
 370                                         ret = -EIO;
 371                                         goto done;
 372                                 }
 373                                 msleep(3);
 374                         }
 375                         i += size;
 376                 }
 377                 if (i != fw->size) {
 378                         deb("bad firmware file!\n");
 379                         ret = -EINVAL;
 380                         goto done;
 381                 }
 382         }
 383
 384         msleep(36);
 385
 386         /* m920x will disconnect itself from the bus after this. */
 387         (void) m920x_write(udev, M9206_CORE, 0x01, M9206_FW_GO);
 388         deb("firmware uploaded!\n");
 389
 390  done:
 391         kfree(buff);
 392
 393         return ret;
 394 }
 395
 396 /* Callbacks for DVB USB */
 397 static int m920x_identify_state(struct usb_device *udev,
 398                                 struct dvb_usb_device_properties *props,
 399                                 struct dvb_usb_device_description **desc,
 400                                 int *cold)
 401 {
 402         struct usb_host_interface *alt;
 403
 404         alt = usb_altnum_to_altsetting(usb_ifnum_to_if(udev, 0), 1);
 405         *cold = (alt == NULL) ? 1 : 0;
 406
 407         return 0;
 408 }
 409
 410 /* demod configurations */
 411 static int m920x_mt352_demod_init(struct dvb_frontend *fe)
 412 {
 413         int ret;
 414         u8 config[] = { CONFIG, 0x3d };
 415         u8 clock[] = { CLOCK_CTL, 0x30 };
 416         u8 reset[] = { RESET, 0x80 };
 417         u8 adc_ctl[] = { ADC_CTL_1, 0x40 };
 418         u8 agc[] = { AGC_TARGET, 0x1c, 0x20 };
 419         u8 sec_agc[] = { 0x69, 0x00, 0xff, 0xff, 0x40, 0xff, 0x00, 0x40, 0x40 };
 420         u8 unk1[] = { 0x93, 0x1a };
 421         u8 unk2[] = { 0xb5, 0x7a };
 422
 423         deb("Demod init!\n");
 424
 425         if ((ret = mt352_write(fe, config, ARRAY_SIZE(config))) != 0)
 426                 return ret;
 427         if ((ret = mt352_write(fe, clock, ARRAY_SIZE(clock))) != 0)
 428                 return ret;
 429         if ((ret = mt352_write(fe, reset, ARRAY_SIZE(reset))) != 0)
 430                 return ret;
 431         if ((ret = mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl))) != 0)
 432                 return ret;
 433         if ((ret = mt352_write(fe, agc, ARRAY_SIZE(agc))) != 0)
 434                 return ret;
 435         if ((ret = mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc))) != 0)
 436                 return ret;
 437         if ((ret = mt352_write(fe, unk1, ARRAY_SIZE(unk1))) != 0)
 438                 return ret;
 439         if ((ret = mt352_write(fe, unk2, ARRAY_SIZE(unk2))) != 0)
 440                 return ret;
 441
 442         return 0;
 443 }
 444
 445 static struct mt352_config m920x_mt352_config = {
 446         .demod_address = 0x0f,
 447         .no_tuner = 1,
 448         .demod_init = m920x_mt352_demod_init,
 449 };
 450
 451 static struct tda1004x_config m920x_tda10046_08_config = {
 452         .demod_address = 0x08,
 453         .invert = 0,
 454         .invert_oclk = 0,
 455         .ts_mode = TDA10046_TS_SERIAL,
 456         .xtal_freq = TDA10046_XTAL_16M,
 457         .if_freq = TDA10046_FREQ_045,
 458         .agc_config = TDA10046_AGC_TDA827X,
 459         .gpio_config = TDA10046_GPTRI,
 460         .request_firmware = NULL,
 461 };
 462
 463 static struct tda1004x_config m920x_tda10046_0b_config = {
 464         .demod_address = 0x0b,
 465         .invert = 0,
 466         .invert_oclk = 0,
 467         .ts_mode = TDA10046_TS_SERIAL,
 468         .xtal_freq = TDA10046_XTAL_16M,
 469         .if_freq = TDA10046_FREQ_045,
 470         .agc_config = TDA10046_AGC_TDA827X,
 471         .gpio_config = TDA10046_GPTRI,
 472         .request_firmware = NULL, /* uses firmware EEPROM */
 473 };
 474
 475 /* tuner configurations */
 476 static struct qt1010_config m920x_qt1010_config = {
 477         .i2c_address = 0x62
 478 };
 479
 480 /* Callbacks for DVB USB */
 481 static int m920x_mt352_frontend_attach(struct dvb_usb_adapter *adap)
 482 {
 483         deb("%s\n",__func__);
 484
 485         if ((adap->fe = dvb_attach(mt352_attach,
 486                                    &m920x_mt352_config,
 487                                    &adap->dev->i2c_adap)) == NULL)
 488                 return -EIO;
 489
 490         return 0;
 491 }
 492
 493 static int m920x_tda10046_08_frontend_attach(struct dvb_usb_adapter *adap)
 494 {
 495         deb("%s\n",__func__);
 496
 497         if ((adap->fe = dvb_attach(tda10046_attach,
 498                                    &m920x_tda10046_08_config,
 499                                    &adap->dev->i2c_adap)) == NULL)
 500                 return -EIO;
 501
 502         return 0;
 503 }
 504
 505 static int m920x_tda10046_0b_frontend_attach(struct dvb_usb_adapter *adap)
 506 {
 507         deb("%s\n",__func__);
 508
 509         if ((adap->fe = dvb_attach(tda10046_attach,
 510                                    &m920x_tda10046_0b_config,
 511                                    &adap->dev->i2c_adap)) == NULL)
 512                 return -EIO;
 513
 514         return 0;
 515 }
 516
 517 static int m920x_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
 518 {
 519         deb("%s\n",__func__);
 520
 521         if (dvb_attach(qt1010_attach, adap->fe, &adap->dev->i2c_adap, &m920x_qt1010_config) == NULL)
 522                 return -ENODEV;
 523
 524         return 0;
 525 }
 526
 527 static int m920x_tda8275_60_tuner_attach(struct dvb_usb_adapter *adap)
 528 {
 529         deb("%s\n",__func__);
 530
 531         if (dvb_attach(tda827x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, NULL) == NULL)
 532                 return -ENODEV;
 533
 534         return 0;
 535 }
 536
 537 static int m920x_tda8275_61_tuner_attach(struct dvb_usb_adapter *adap)
 538 {
 539         deb("%s\n",__func__);
 540
 541         if (dvb_attach(tda827x_attach, adap->fe, 0x61, &adap->dev->i2c_adap, NULL) == NULL)
 542                 return -ENODEV;
 543
 544         return 0;
 545 }
 546
 547 /* device-specific initialization */
 548 static struct m920x_inits megasky_rc_init [] = {
 549         { M9206_RC_INIT2, 0xa8 },
 550         { M9206_RC_INIT1, 0x51 },
 551         { } /* terminating entry */
 552 };
 553
 554 static struct m920x_inits tvwalkertwin_rc_init [] = {
 555         { M9206_RC_INIT2, 0x00 },
 556         { M9206_RC_INIT1, 0xef },
 557         { 0xff28,         0x00 },
 558         { 0xff23,         0x00 },
 559         { 0xff21,         0x30 },
 560         { } /* terminating entry */
 561 };
 562
 563 /* ir keymaps */
 564 static struct dvb_usb_rc_key megasky_rc_keys [] = {
 565         { 0x0, 0x12, KEY_POWER },
 566         { 0x0, 0x1e, KEY_CYCLEWINDOWS }, /* min/max */
 567         { 0x0, 0x02, KEY_CHANNELUP },
 568         { 0x0, 0x05, KEY_CHANNELDOWN },
 569         { 0x0, 0x03, KEY_VOLUMEUP },
 570         { 0x0, 0x06, KEY_VOLUMEDOWN },
 571         { 0x0, 0x04, KEY_MUTE },
 572         { 0x0, 0x07, KEY_OK }, /* TS */
 573         { 0x0, 0x08, KEY_STOP },
 574         { 0x0, 0x09, KEY_MENU }, /* swap */
 575         { 0x0, 0x0a, KEY_REWIND },
 576         { 0x0, 0x1b, KEY_PAUSE },
 577         { 0x0, 0x1f, KEY_FASTFORWARD },
 578         { 0x0, 0x0c, KEY_RECORD },
 579         { 0x0, 0x0d, KEY_CAMERA }, /* screenshot */
 580         { 0x0, 0x0e, KEY_COFFEE }, /* "MTS" */
 581 };
 582
 583 static struct dvb_usb_rc_key tvwalkertwin_rc_keys [] = {
 584         { 0x0, 0x01, KEY_ZOOM }, /* Full Screen */
 585         { 0x0, 0x02, KEY_CAMERA }, /* snapshot */
 586         { 0x0, 0x03, KEY_MUTE },
 587         { 0x0, 0x04, KEY_REWIND },
 588         { 0x0, 0x05, KEY_PLAYPAUSE }, /* Play/Pause */
 589         { 0x0, 0x06, KEY_FASTFORWARD },
 590         { 0x0, 0x07, KEY_RECORD },
 591         { 0x0, 0x08, KEY_STOP },
 592         { 0x0, 0x09, KEY_TIME }, /* Timeshift */
 593         { 0x0, 0x0c, KEY_COFFEE }, /* Recall */
 594         { 0x0, 0x0e, KEY_CHANNELUP },
 595         { 0x0, 0x12, KEY_POWER },
 596         { 0x0, 0x15, KEY_MENU }, /* source */
 597         { 0x0, 0x18, KEY_CYCLEWINDOWS }, /* TWIN PIP */
 598         { 0x0, 0x1a, KEY_CHANNELDOWN },
 599         { 0x0, 0x1b, KEY_VOLUMEDOWN },
 600         { 0x0, 0x1e, KEY_VOLUMEUP },
 601 };
 602
 603 /* DVB USB Driver stuff */
 604 static struct dvb_usb_device_properties megasky_properties;
 605 static struct dvb_usb_device_properties digivox_mini_ii_properties;
 606 static struct dvb_usb_device_properties tvwalkertwin_properties;
 607 static struct dvb_usb_device_properties dposh_properties;
 608
 609 static int m920x_probe(struct usb_interface *intf,
 610                        const struct usb_device_id *id)
 611 {
 612         struct dvb_usb_device *d = NULL;
 613         int ret;
 614         struct m920x_inits *rc_init_seq = NULL;
 615         int bInterfaceNumber = intf->cur_altsetting->desc.bInterfaceNumber;
 616
 617         deb("Probing for m920x device at interface %d\n", bInterfaceNumber);
 618
 619         if (bInterfaceNumber == 0) {
 620                 /* Single-tuner device, or first interface on
 621                  * multi-tuner device
 622                  */
 623
 624                 ret = dvb_usb_device_init(intf, &megasky_properties,
 625                                           THIS_MODULE, &d, adapter_nr);
 626                 if (ret == 0) {
 627                         rc_init_seq = megasky_rc_init;
 628                         goto found;
 629                 }
 630
 631                 ret = dvb_usb_device_init(intf, &digivox_mini_ii_properties,
 632                                           THIS_MODULE, &d, adapter_nr);
 633                 if (ret == 0) {
 634                         /* No remote control, so no rc_init_seq */
 635                         goto found;
 636                 }
 637
 638                 /* This configures both tuners on the TV Walker Twin */
 639                 ret = dvb_usb_device_init(intf, &tvwalkertwin_properties,
 640                                           THIS_MODULE, &d, adapter_nr);
 641                 if (ret == 0) {
 642                         rc_init_seq = tvwalkertwin_rc_init;
 643                         goto found;
 644                 }
 645
 646                 ret = dvb_usb_device_init(intf, &dposh_properties,
 647                                           THIS_MODULE, &d, adapter_nr);
 648                 if (ret == 0) {
 649                         /* Remote controller not supported yet. */
 650                         goto found;
 651                 }
 652
 653                 return ret;
 654         } else {
 655                 /* Another interface on a multi-tuner device */
 656
 657                 /* The LifeView TV Walker Twin gets here, but struct
 658                  * tvwalkertwin_properties already configured both
 659                  * tuners, so there is nothing for us to do here
 660                  */
 661         }
 662
 663  found:
 664         if ((ret = m920x_init_ep(intf)) < 0)
 665                 return ret;
 666
 667         if (d && (ret = m920x_init(d, rc_init_seq)) != 0)
 668                 return ret;
 669
 670         return ret;
 671 }
 672
 673 static struct usb_device_id m920x_table [] = {
 674                 { USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580) },
 675                 { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
 676                              USB_PID_MSI_DIGI_VOX_MINI_II) },
 677                 { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
 678                              USB_PID_LIFEVIEW_TV_WALKER_TWIN_COLD) },
 679                 { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
 680                              USB_PID_LIFEVIEW_TV_WALKER_TWIN_WARM) },
 681                 { USB_DEVICE(USB_VID_DPOSH, USB_PID_DPOSH_M9206_COLD) },
 682                 { USB_DEVICE(USB_VID_DPOSH, USB_PID_DPOSH_M9206_WARM) },
 683                 { }             /* Terminating entry */
 684 };
 685 MODULE_DEVICE_TABLE (usb, m920x_table);
 686
 687 static struct dvb_usb_device_properties megasky_properties = {
 688         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 689
 690         .usb_ctrl = DEVICE_SPECIFIC,
 691         .firmware = "dvb-usb-megasky-02.fw",
 692         .download_firmware = m920x_firmware_download,
 693
 694         .rc_interval      = 100,
 695         .rc_key_map       = megasky_rc_keys,
 696         .rc_key_map_size  = ARRAY_SIZE(megasky_rc_keys),
 697         .rc_query         = m920x_rc_query,
 698
 699         .size_of_priv     = sizeof(struct m920x_state),
 700
 701         .identify_state   = m920x_identify_state,
 702         .num_adapters = 1,
 703         .adapter = {{
 704                 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
 705                         DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 706
 707                 .pid_filter_count = 8,
 708                 .pid_filter       = m920x_pid_filter,
 709                 .pid_filter_ctrl  = m920x_pid_filter_ctrl,
 710
 711                 .frontend_attach  = m920x_mt352_frontend_attach,
 712                 .tuner_attach     = m920x_qt1010_tuner_attach,
 713
 714                 .stream = {
 715                         .type = USB_BULK,
 716                         .count = 8,
 717                         .endpoint = 0x81,
 718                         .u = {
 719                                 .bulk = {
 720                                         .buffersize = 512,
 721                                 }
 722                         }
 723                 },
 724         }},
 725         .i2c_algo         = &m920x_i2c_algo,
 726
 727         .num_device_descs = 1,
 728         .devices = {
 729                 {   "MSI Mega Sky 580 DVB-T USB2.0",
 730                         { &m920x_table[0], NULL },
 731                         { NULL },
 732                 }
 733         }
 734 };
 735
 736 static struct dvb_usb_device_properties digivox_mini_ii_properties = {
 737         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 738
 739         .usb_ctrl = DEVICE_SPECIFIC,
 740         .firmware = "dvb-usb-digivox-02.fw",
 741         .download_firmware = m920x_firmware_download,
 742
 743         .size_of_priv     = sizeof(struct m920x_state),
 744
 745         .identify_state   = m920x_identify_state,
 746         .num_adapters = 1,
 747         .adapter = {{
 748                 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
 749                         DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 750
 751                 .pid_filter_count = 8,
 752                 .pid_filter       = m920x_pid_filter,
 753                 .pid_filter_ctrl  = m920x_pid_filter_ctrl,
 754
 755                 .frontend_attach  = m920x_tda10046_08_frontend_attach,
 756                 .tuner_attach     = m920x_tda8275_60_tuner_attach,
 757
 758                 .stream = {
 759                         .type = USB_BULK,
 760                         .count = 8,
 761                         .endpoint = 0x81,
 762                         .u = {
 763                                 .bulk = {
 764                                         .buffersize = 0x4000,
 765                                 }
 766                         }
 767                 },
 768         }},
 769         .i2c_algo         = &m920x_i2c_algo,
 770
 771         .num_device_descs = 1,
 772         .devices = {
 773                 {   "MSI DIGI VOX mini II DVB-T USB2.0",
 774                         { &m920x_table[1], NULL },
 775                         { NULL },
 776                 },
 777         }
 778 };
 779
 780 /* LifeView TV Walker Twin support by Nick Andrew <nick@nick-andrew.net>
 781  *
 782  * LifeView TV Walker Twin has 1 x M9206, 2 x TDA10046, 2 x TDA8275A
 783  * TDA10046 #0 is located at i2c address 0x08
 784  * TDA10046 #1 is located at i2c address 0x0b
 785  * TDA8275A #0 is located at i2c address 0x60
 786  * TDA8275A #1 is located at i2c address 0x61
 787  */
 788 static struct dvb_usb_device_properties tvwalkertwin_properties = {
 789         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 790
 791         .usb_ctrl = DEVICE_SPECIFIC,
 792         .firmware = "dvb-usb-tvwalkert.fw",
 793         .download_firmware = m920x_firmware_download,
 794
 795         .rc_interval      = 100,
 796         .rc_key_map       = tvwalkertwin_rc_keys,
 797         .rc_key_map_size  = ARRAY_SIZE(tvwalkertwin_rc_keys),
 798         .rc_query         = m920x_rc_query,
 799
 800         .size_of_priv     = sizeof(struct m920x_state),
 801
 802         .identify_state   = m920x_identify_state,
 803         .num_adapters = 2,
 804         .adapter = {{
 805                 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
 806                         DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 807
 808                 .pid_filter_count = 8,
 809                 .pid_filter       = m920x_pid_filter,
 810                 .pid_filter_ctrl  = m920x_pid_filter_ctrl,
 811
 812                 .frontend_attach  = m920x_tda10046_08_frontend_attach,
 813                 .tuner_attach     = m920x_tda8275_60_tuner_attach,
 814
 815                 .stream = {
 816                         .type = USB_BULK,
 817                         .count = 8,
 818                         .endpoint = 0x81,
 819                         .u = {
 820                                  .bulk = {
 821                                          .buffersize = 512,
 822                                  }
 823                         }
 824                 }},{
 825                 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
 826                         DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 827
 828                 .pid_filter_count = 8,
 829                 .pid_filter       = m920x_pid_filter,
 830                 .pid_filter_ctrl  = m920x_pid_filter_ctrl,
 831
 832                 .frontend_attach  = m920x_tda10046_0b_frontend_attach,
 833                 .tuner_attach     = m920x_tda8275_61_tuner_attach,
 834
 835                 .stream = {
 836                         .type = USB_BULK,
 837                         .count = 8,
 838                         .endpoint = 0x82,
 839                         .u = {
 840                                  .bulk = {
 841                                          .buffersize = 512,
 842                                  }
 843                         }
 844                 },
 845         }},
 846         .i2c_algo         = &m920x_i2c_algo,
 847
 848         .num_device_descs = 1,
 849         .devices = {
 850                 {   .name = "LifeView TV Walker Twin DVB-T USB2.0",
 851                     .cold_ids = { &m920x_table[2], NULL },
 852                     .warm_ids = { &m920x_table[3], NULL },
 853                 },
 854         }
 855 };
 856
 857 static struct dvb_usb_device_properties dposh_properties = {
 858         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 859
 860         .usb_ctrl = DEVICE_SPECIFIC,
 861         .firmware = "dvb-usb-dposh-01.fw",
 862         .download_firmware = m920x_firmware_download,
 863
 864         .size_of_priv     = sizeof(struct m920x_state),
 865
 866         .identify_state   = m920x_identify_state,
 867         .num_adapters = 1,
 868         .adapter = {{
 869                 /* Hardware pid filters don't work with this device/firmware */
 870
 871                 .frontend_attach  = m920x_mt352_frontend_attach,
 872                 .tuner_attach     = m920x_qt1010_tuner_attach,
 873
 874                 .stream = {
 875                         .type = USB_BULK,
 876                         .count = 8,
 877                         .endpoint = 0x81,
 878                         .u = {
 879                                  .bulk = {
 880                                          .buffersize = 512,
 881                                  }
 882                         }
 883                 },
 884         }},
 885         .i2c_algo         = &m920x_i2c_algo,
 886
 887         .num_device_descs = 1,
 888         .devices = {
 889                  {   .name = "Dposh DVB-T USB2.0",
 890                      .cold_ids = { &m920x_table[4], NULL },
 891                      .warm_ids = { &m920x_table[5], NULL },
 892                  },
 893          }
 894 };
 895
 896 static struct usb_driver m920x_driver = {
 897         .name           = "dvb_usb_m920x",
 898         .probe          = m920x_probe,
 899         .disconnect     = dvb_usb_device_exit,
 900         .id_table       = m920x_table,
 901 };
 902
 903 /* module stuff */
 904 static int __init m920x_module_init(void)
 905 {
 906         int ret;
 907
 908         if ((ret = usb_register(&m920x_driver))) {
 909                 err("usb_register failed. Error number %d", ret);
 910                 return ret;
 911         }
 912
 913         return 0;
 914 }
 915
 916 static void __exit m920x_module_exit(void)
 917 {
 918         /* deregister this driver from the USB subsystem */
 919         usb_deregister(&m920x_driver);
 920 }
 921
 922 module_init (m920x_module_init);
 923 module_exit (m920x_module_exit);
 924
 925 MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>");
 926 MODULE_DESCRIPTION("DVB Driver for ULI M920x");
 927 MODULE_VERSION("0.1");
 928 MODULE_LICENSE("GPL");
 929
 930 /*
 931  * Local variables:
 932  * c-basic-offset: 8
 933  */