linux/drivers/media/dvb/dvb-usb/m920x.c
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   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 */
  22static int dvb_usb_m920x_debug;
  23module_param_named(debug,dvb_usb_m920x_debug, int, 0644);
  24MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
  25
  26DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  27
  28static int m920x_set_filter(struct dvb_usb_device *d, int type, int idx, int pid);
  29
  30static 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
  51static 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
  63static 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
 116static 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
 130static 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 (rc5_data(&d->props.rc_key_map[i]) == 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 */
 191static 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
 251static u32 m920x_i2c_func(struct i2c_adapter *adapter)
 252{
 253        return I2C_FUNC_I2C;
 254}
 255
 256static struct i2c_algorithm m920x_i2c_algo = {
 257        .master_xfer   = m920x_i2c_xfer,
 258        .functionality = m920x_i2c_func,
 259};
 260
 261/* pid filter */
 262static 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
 280static 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
 315static 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
 324static 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
 333static 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        if (buff == NULL)
 341                return -ENOMEM;
 342
 343        if ((ret = m920x_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
 344                goto done;
 345        deb("%x %x %x %x\n", read[0], read[1], read[2], read[3]);
 346
 347        if ((ret = m920x_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0)
 348                goto done;
 349        deb("%x\n", read[0]);
 350
 351        for (pass = 0; pass < 2; pass++) {
 352                for (i = 0; i + (sizeof(u16) * 3) < fw->size;) {
 353                        value = get_unaligned_le16(fw->data + i);
 354                        i += sizeof(u16);
 355
 356                        index = get_unaligned_le16(fw->data + i);
 357                        i += sizeof(u16);
 358
 359                        size = get_unaligned_le16(fw->data + i);
 360                        i += sizeof(u16);
 361
 362                        if (pass == 1) {
 363                                /* Will stall if using fw->data ... */
 364                                memcpy(buff, fw->data + i, size);
 365
 366                                ret = usb_control_msg(udev, usb_sndctrlpipe(udev,0),
 367                                                      M9206_FW,
 368                                                      USB_TYPE_VENDOR | USB_DIR_OUT,
 369                                                      value, index, buff, size, 20);
 370                                if (ret != size) {
 371                                        deb("error while uploading fw!\n");
 372                                        ret = -EIO;
 373                                        goto done;
 374                                }
 375                                msleep(3);
 376                        }
 377                        i += size;
 378                }
 379                if (i != fw->size) {
 380                        deb("bad firmware file!\n");
 381                        ret = -EINVAL;
 382                        goto done;
 383                }
 384        }
 385
 386        msleep(36);
 387
 388        /* m920x will disconnect itself from the bus after this. */
 389        (void) m920x_write(udev, M9206_CORE, 0x01, M9206_FW_GO);
 390        deb("firmware uploaded!\n");
 391
 392 done:
 393        kfree(buff);
 394
 395        return ret;
 396}
 397
 398/* Callbacks for DVB USB */
 399static int m920x_identify_state(struct usb_device *udev,
 400                                struct dvb_usb_device_properties *props,
 401                                struct dvb_usb_device_description **desc,
 402                                int *cold)
 403{
 404        struct usb_host_interface *alt;
 405
 406        alt = usb_altnum_to_altsetting(usb_ifnum_to_if(udev, 0), 1);
 407        *cold = (alt == NULL) ? 1 : 0;
 408
 409        return 0;
 410}
 411
 412/* demod configurations */
 413static int m920x_mt352_demod_init(struct dvb_frontend *fe)
 414{
 415        int ret;
 416        u8 config[] = { CONFIG, 0x3d };
 417        u8 clock[] = { CLOCK_CTL, 0x30 };
 418        u8 reset[] = { RESET, 0x80 };
 419        u8 adc_ctl[] = { ADC_CTL_1, 0x40 };
 420        u8 agc[] = { AGC_TARGET, 0x1c, 0x20 };
 421        u8 sec_agc[] = { 0x69, 0x00, 0xff, 0xff, 0x40, 0xff, 0x00, 0x40, 0x40 };
 422        u8 unk1[] = { 0x93, 0x1a };
 423        u8 unk2[] = { 0xb5, 0x7a };
 424
 425        deb("Demod init!\n");
 426
 427        if ((ret = mt352_write(fe, config, ARRAY_SIZE(config))) != 0)
 428                return ret;
 429        if ((ret = mt352_write(fe, clock, ARRAY_SIZE(clock))) != 0)
 430                return ret;
 431        if ((ret = mt352_write(fe, reset, ARRAY_SIZE(reset))) != 0)
 432                return ret;
 433        if ((ret = mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl))) != 0)
 434                return ret;
 435        if ((ret = mt352_write(fe, agc, ARRAY_SIZE(agc))) != 0)
 436                return ret;
 437        if ((ret = mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc))) != 0)
 438                return ret;
 439        if ((ret = mt352_write(fe, unk1, ARRAY_SIZE(unk1))) != 0)
 440                return ret;
 441        if ((ret = mt352_write(fe, unk2, ARRAY_SIZE(unk2))) != 0)
 442                return ret;
 443
 444        return 0;
 445}
 446
 447static struct mt352_config m920x_mt352_config = {
 448        .demod_address = 0x0f,
 449        .no_tuner = 1,
 450        .demod_init = m920x_mt352_demod_init,
 451};
 452
 453static struct tda1004x_config m920x_tda10046_08_config = {
 454        .demod_address = 0x08,
 455        .invert = 0,
 456        .invert_oclk = 0,
 457        .ts_mode = TDA10046_TS_SERIAL,
 458        .xtal_freq = TDA10046_XTAL_16M,
 459        .if_freq = TDA10046_FREQ_045,
 460        .agc_config = TDA10046_AGC_TDA827X,
 461        .gpio_config = TDA10046_GPTRI,
 462        .request_firmware = NULL,
 463};
 464
 465static struct tda1004x_config m920x_tda10046_0b_config = {
 466        .demod_address = 0x0b,
 467        .invert = 0,
 468        .invert_oclk = 0,
 469        .ts_mode = TDA10046_TS_SERIAL,
 470        .xtal_freq = TDA10046_XTAL_16M,
 471        .if_freq = TDA10046_FREQ_045,
 472        .agc_config = TDA10046_AGC_TDA827X,
 473        .gpio_config = TDA10046_GPTRI,
 474        .request_firmware = NULL, /* uses firmware EEPROM */
 475};
 476
 477/* tuner configurations */
 478static struct qt1010_config m920x_qt1010_config = {
 479        .i2c_address = 0x62
 480};
 481
 482/* Callbacks for DVB USB */
 483static int m920x_mt352_frontend_attach(struct dvb_usb_adapter *adap)
 484{
 485        deb("%s\n",__func__);
 486
 487        if ((adap->fe = dvb_attach(mt352_attach,
 488                                   &m920x_mt352_config,
 489                                   &adap->dev->i2c_adap)) == NULL)
 490                return -EIO;
 491
 492        return 0;
 493}
 494
 495static int m920x_tda10046_08_frontend_attach(struct dvb_usb_adapter *adap)
 496{
 497        deb("%s\n",__func__);
 498
 499        if ((adap->fe = dvb_attach(tda10046_attach,
 500                                   &m920x_tda10046_08_config,
 501                                   &adap->dev->i2c_adap)) == NULL)
 502                return -EIO;
 503
 504        return 0;
 505}
 506
 507static int m920x_tda10046_0b_frontend_attach(struct dvb_usb_adapter *adap)
 508{
 509        deb("%s\n",__func__);
 510
 511        if ((adap->fe = dvb_attach(tda10046_attach,
 512                                   &m920x_tda10046_0b_config,
 513                                   &adap->dev->i2c_adap)) == NULL)
 514                return -EIO;
 515
 516        return 0;
 517}
 518
 519static int m920x_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
 520{
 521        deb("%s\n",__func__);
 522
 523        if (dvb_attach(qt1010_attach, adap->fe, &adap->dev->i2c_adap, &m920x_qt1010_config) == NULL)
 524                return -ENODEV;
 525
 526        return 0;
 527}
 528
 529static int m920x_tda8275_60_tuner_attach(struct dvb_usb_adapter *adap)
 530{
 531        deb("%s\n",__func__);
 532
 533        if (dvb_attach(tda827x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, NULL) == NULL)
 534                return -ENODEV;
 535
 536        return 0;
 537}
 538
 539static int m920x_tda8275_61_tuner_attach(struct dvb_usb_adapter *adap)
 540{
 541        deb("%s\n",__func__);
 542
 543        if (dvb_attach(tda827x_attach, adap->fe, 0x61, &adap->dev->i2c_adap, NULL) == NULL)
 544                return -ENODEV;
 545
 546        return 0;
 547}
 548
 549/* device-specific initialization */
 550static struct m920x_inits megasky_rc_init [] = {
 551        { M9206_RC_INIT2, 0xa8 },
 552        { M9206_RC_INIT1, 0x51 },
 553        { } /* terminating entry */
 554};
 555
 556static struct m920x_inits tvwalkertwin_rc_init [] = {
 557        { M9206_RC_INIT2, 0x00 },
 558        { M9206_RC_INIT1, 0xef },
 559        { 0xff28,         0x00 },
 560        { 0xff23,         0x00 },
 561        { 0xff21,         0x30 },
 562        { } /* terminating entry */
 563};
 564
 565/* ir keymaps */
 566static struct dvb_usb_rc_key megasky_rc_keys [] = {
 567        { 0x0012, KEY_POWER },
 568        { 0x001e, KEY_CYCLEWINDOWS }, /* min/max */
 569        { 0x0002, KEY_CHANNELUP },
 570        { 0x0005, KEY_CHANNELDOWN },
 571        { 0x0003, KEY_VOLUMEUP },
 572        { 0x0006, KEY_VOLUMEDOWN },
 573        { 0x0004, KEY_MUTE },
 574        { 0x0007, KEY_OK }, /* TS */
 575        { 0x0008, KEY_STOP },
 576        { 0x0009, KEY_MENU }, /* swap */
 577        { 0x000a, KEY_REWIND },
 578        { 0x001b, KEY_PAUSE },
 579        { 0x001f, KEY_FASTFORWARD },
 580        { 0x000c, KEY_RECORD },
 581        { 0x000d, KEY_CAMERA }, /* screenshot */
 582        { 0x000e, KEY_COFFEE }, /* "MTS" */
 583};
 584
 585static struct dvb_usb_rc_key tvwalkertwin_rc_keys [] = {
 586        { 0x0001, KEY_ZOOM }, /* Full Screen */
 587        { 0x0002, KEY_CAMERA }, /* snapshot */
 588        { 0x0003, KEY_MUTE },
 589        { 0x0004, KEY_REWIND },
 590        { 0x0005, KEY_PLAYPAUSE }, /* Play/Pause */
 591        { 0x0006, KEY_FASTFORWARD },
 592        { 0x0007, KEY_RECORD },
 593        { 0x0008, KEY_STOP },
 594        { 0x0009, KEY_TIME }, /* Timeshift */
 595        { 0x000c, KEY_COFFEE }, /* Recall */
 596        { 0x000e, KEY_CHANNELUP },
 597        { 0x0012, KEY_POWER },
 598        { 0x0015, KEY_MENU }, /* source */
 599        { 0x0018, KEY_CYCLEWINDOWS }, /* TWIN PIP */
 600        { 0x001a, KEY_CHANNELDOWN },
 601        { 0x001b, KEY_VOLUMEDOWN },
 602        { 0x001e, KEY_VOLUMEUP },
 603};
 604
 605/* DVB USB Driver stuff */
 606static struct dvb_usb_device_properties megasky_properties;
 607static struct dvb_usb_device_properties digivox_mini_ii_properties;
 608static struct dvb_usb_device_properties tvwalkertwin_properties;
 609static struct dvb_usb_device_properties dposh_properties;
 610
 611static int m920x_probe(struct usb_interface *intf,
 612                       const struct usb_device_id *id)
 613{
 614        struct dvb_usb_device *d = NULL;
 615        int ret;
 616        struct m920x_inits *rc_init_seq = NULL;
 617        int bInterfaceNumber = intf->cur_altsetting->desc.bInterfaceNumber;
 618
 619        deb("Probing for m920x device at interface %d\n", bInterfaceNumber);
 620
 621        if (bInterfaceNumber == 0) {
 622                /* Single-tuner device, or first interface on
 623                 * multi-tuner device
 624                 */
 625
 626                ret = dvb_usb_device_init(intf, &megasky_properties,
 627                                          THIS_MODULE, &d, adapter_nr);
 628                if (ret == 0) {
 629                        rc_init_seq = megasky_rc_init;
 630                        goto found;
 631                }
 632
 633                ret = dvb_usb_device_init(intf, &digivox_mini_ii_properties,
 634                                          THIS_MODULE, &d, adapter_nr);
 635                if (ret == 0) {
 636                        /* No remote control, so no rc_init_seq */
 637                        goto found;
 638                }
 639
 640                /* This configures both tuners on the TV Walker Twin */
 641                ret = dvb_usb_device_init(intf, &tvwalkertwin_properties,
 642                                          THIS_MODULE, &d, adapter_nr);
 643                if (ret == 0) {
 644                        rc_init_seq = tvwalkertwin_rc_init;
 645                        goto found;
 646                }
 647
 648                ret = dvb_usb_device_init(intf, &dposh_properties,
 649                                          THIS_MODULE, &d, adapter_nr);
 650                if (ret == 0) {
 651                        /* Remote controller not supported yet. */
 652                        goto found;
 653                }
 654
 655                return ret;
 656        } else {
 657                /* Another interface on a multi-tuner device */
 658
 659                /* The LifeView TV Walker Twin gets here, but struct
 660                 * tvwalkertwin_properties already configured both
 661                 * tuners, so there is nothing for us to do here
 662                 */
 663        }
 664
 665 found:
 666        if ((ret = m920x_init_ep(intf)) < 0)
 667                return ret;
 668
 669        if (d && (ret = m920x_init(d, rc_init_seq)) != 0)
 670                return ret;
 671
 672        return ret;
 673}
 674
 675static struct usb_device_id m920x_table [] = {
 676                { USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580) },
 677                { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
 678                             USB_PID_MSI_DIGI_VOX_MINI_II) },
 679                { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
 680                             USB_PID_LIFEVIEW_TV_WALKER_TWIN_COLD) },
 681                { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
 682                             USB_PID_LIFEVIEW_TV_WALKER_TWIN_WARM) },
 683                { USB_DEVICE(USB_VID_DPOSH, USB_PID_DPOSH_M9206_COLD) },
 684                { USB_DEVICE(USB_VID_DPOSH, USB_PID_DPOSH_M9206_WARM) },
 685                { }             /* Terminating entry */
 686};
 687MODULE_DEVICE_TABLE (usb, m920x_table);
 688
 689static struct dvb_usb_device_properties megasky_properties = {
 690        .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 691
 692        .usb_ctrl = DEVICE_SPECIFIC,
 693        .firmware = "dvb-usb-megasky-02.fw",
 694        .download_firmware = m920x_firmware_download,
 695
 696        .rc_interval      = 100,
 697        .rc_key_map       = megasky_rc_keys,
 698        .rc_key_map_size  = ARRAY_SIZE(megasky_rc_keys),
 699        .rc_query         = m920x_rc_query,
 700
 701        .size_of_priv     = sizeof(struct m920x_state),
 702
 703        .identify_state   = m920x_identify_state,
 704        .num_adapters = 1,
 705        .adapter = {{
 706                .caps = DVB_USB_ADAP_HAS_PID_FILTER |
 707                        DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 708
 709                .pid_filter_count = 8,
 710                .pid_filter       = m920x_pid_filter,
 711                .pid_filter_ctrl  = m920x_pid_filter_ctrl,
 712
 713                .frontend_attach  = m920x_mt352_frontend_attach,
 714                .tuner_attach     = m920x_qt1010_tuner_attach,
 715
 716                .stream = {
 717                        .type = USB_BULK,
 718                        .count = 8,
 719                        .endpoint = 0x81,
 720                        .u = {
 721                                .bulk = {
 722                                        .buffersize = 512,
 723                                }
 724                        }
 725                },
 726        }},
 727        .i2c_algo         = &m920x_i2c_algo,
 728
 729        .num_device_descs = 1,
 730        .devices = {
 731                {   "MSI Mega Sky 580 DVB-T USB2.0",
 732                        { &m920x_table[0], NULL },
 733                        { NULL },
 734                }
 735        }
 736};
 737
 738static struct dvb_usb_device_properties digivox_mini_ii_properties = {
 739        .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 740
 741        .usb_ctrl = DEVICE_SPECIFIC,
 742        .firmware = "dvb-usb-digivox-02.fw",
 743        .download_firmware = m920x_firmware_download,
 744
 745        .size_of_priv     = sizeof(struct m920x_state),
 746
 747        .identify_state   = m920x_identify_state,
 748        .num_adapters = 1,
 749        .adapter = {{
 750                .caps = DVB_USB_ADAP_HAS_PID_FILTER |
 751                        DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 752
 753                .pid_filter_count = 8,
 754                .pid_filter       = m920x_pid_filter,
 755                .pid_filter_ctrl  = m920x_pid_filter_ctrl,
 756
 757                .frontend_attach  = m920x_tda10046_08_frontend_attach,
 758                .tuner_attach     = m920x_tda8275_60_tuner_attach,
 759
 760                .stream = {
 761                        .type = USB_BULK,
 762                        .count = 8,
 763                        .endpoint = 0x81,
 764                        .u = {
 765                                .bulk = {
 766                                        .buffersize = 0x4000,
 767                                }
 768                        }
 769                },
 770        }},
 771        .i2c_algo         = &m920x_i2c_algo,
 772
 773        .num_device_descs = 1,
 774        .devices = {
 775                {   "MSI DIGI VOX mini II DVB-T USB2.0",
 776                        { &m920x_table[1], NULL },
 777                        { NULL },
 778                },
 779        }
 780};
 781
 782/* LifeView TV Walker Twin support by Nick Andrew <nick@nick-andrew.net>
 783 *
 784 * LifeView TV Walker Twin has 1 x M9206, 2 x TDA10046, 2 x TDA8275A
 785 * TDA10046 #0 is located at i2c address 0x08
 786 * TDA10046 #1 is located at i2c address 0x0b
 787 * TDA8275A #0 is located at i2c address 0x60
 788 * TDA8275A #1 is located at i2c address 0x61
 789 */
 790static struct dvb_usb_device_properties tvwalkertwin_properties = {
 791        .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 792
 793        .usb_ctrl = DEVICE_SPECIFIC,
 794        .firmware = "dvb-usb-tvwalkert.fw",
 795        .download_firmware = m920x_firmware_download,
 796
 797        .rc_interval      = 100,
 798        .rc_key_map       = tvwalkertwin_rc_keys,
 799        .rc_key_map_size  = ARRAY_SIZE(tvwalkertwin_rc_keys),
 800        .rc_query         = m920x_rc_query,
 801
 802        .size_of_priv     = sizeof(struct m920x_state),
 803
 804        .identify_state   = m920x_identify_state,
 805        .num_adapters = 2,
 806        .adapter = {{
 807                .caps = DVB_USB_ADAP_HAS_PID_FILTER |
 808                        DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 809
 810                .pid_filter_count = 8,
 811                .pid_filter       = m920x_pid_filter,
 812                .pid_filter_ctrl  = m920x_pid_filter_ctrl,
 813
 814                .frontend_attach  = m920x_tda10046_08_frontend_attach,
 815                .tuner_attach     = m920x_tda8275_60_tuner_attach,
 816
 817                .stream = {
 818                        .type = USB_BULK,
 819                        .count = 8,
 820                        .endpoint = 0x81,
 821                        .u = {
 822                                 .bulk = {
 823                                         .buffersize = 512,
 824                                 }
 825                        }
 826                }},{
 827                .caps = DVB_USB_ADAP_HAS_PID_FILTER |
 828                        DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 829
 830                .pid_filter_count = 8,
 831                .pid_filter       = m920x_pid_filter,
 832                .pid_filter_ctrl  = m920x_pid_filter_ctrl,
 833
 834                .frontend_attach  = m920x_tda10046_0b_frontend_attach,
 835                .tuner_attach     = m920x_tda8275_61_tuner_attach,
 836
 837                .stream = {
 838                        .type = USB_BULK,
 839                        .count = 8,
 840                        .endpoint = 0x82,
 841                        .u = {
 842                                 .bulk = {
 843                                         .buffersize = 512,
 844                                 }
 845                        }
 846                },
 847        }},
 848        .i2c_algo         = &m920x_i2c_algo,
 849
 850        .num_device_descs = 1,
 851        .devices = {
 852                {   .name = "LifeView TV Walker Twin DVB-T USB2.0",
 853                    .cold_ids = { &m920x_table[2], NULL },
 854                    .warm_ids = { &m920x_table[3], NULL },
 855                },
 856        }
 857};
 858
 859static struct dvb_usb_device_properties dposh_properties = {
 860        .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 861
 862        .usb_ctrl = DEVICE_SPECIFIC,
 863        .firmware = "dvb-usb-dposh-01.fw",
 864        .download_firmware = m920x_firmware_download,
 865
 866        .size_of_priv     = sizeof(struct m920x_state),
 867
 868        .identify_state   = m920x_identify_state,
 869        .num_adapters = 1,
 870        .adapter = {{
 871                /* Hardware pid filters don't work with this device/firmware */
 872
 873                .frontend_attach  = m920x_mt352_frontend_attach,
 874                .tuner_attach     = m920x_qt1010_tuner_attach,
 875
 876                .stream = {
 877                        .type = USB_BULK,
 878                        .count = 8,
 879                        .endpoint = 0x81,
 880                        .u = {
 881                                 .bulk = {
 882                                         .buffersize = 512,
 883                                 }
 884                        }
 885                },
 886        }},
 887        .i2c_algo         = &m920x_i2c_algo,
 888
 889        .num_device_descs = 1,
 890        .devices = {
 891                 {   .name = "Dposh DVB-T USB2.0",
 892                     .cold_ids = { &m920x_table[4], NULL },
 893                     .warm_ids = { &m920x_table[5], NULL },
 894                 },
 895         }
 896};
 897
 898static struct usb_driver m920x_driver = {
 899        .name           = "dvb_usb_m920x",
 900        .probe          = m920x_probe,
 901        .disconnect     = dvb_usb_device_exit,
 902        .id_table       = m920x_table,
 903};
 904
 905/* module stuff */
 906static int __init m920x_module_init(void)
 907{
 908        int ret;
 909
 910        if ((ret = usb_register(&m920x_driver))) {
 911                err("usb_register failed. Error number %d", ret);
 912                return ret;
 913        }
 914
 915        return 0;
 916}
 917
 918static void __exit m920x_module_exit(void)
 919{
 920        /* deregister this driver from the USB subsystem */
 921        usb_deregister(&m920x_driver);
 922}
 923
 924module_init (m920x_module_init);
 925module_exit (m920x_module_exit);
 926
 927MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>");
 928MODULE_DESCRIPTION("DVB Driver for ULI M920x");
 929MODULE_VERSION("0.1");
 930MODULE_LICENSE("GPL");
 931
 932/*
 933 * Local variables:
 934 * c-basic-offset: 8
 935 */
 936
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