drivers/media/dvb/dvb-usb/lmedm04.c

   1 /* DVB USB compliant linux driver for
   2  *
   3  * DM04/QQBOX DVB-S USB BOX     LME2510C + SHARP:BS2F7HZ7395
   4  *                              LME2510C + LG TDQY-P001F
   5  *                              LME2510C + BS2F7HZ0194
   6  *                              LME2510 + LG TDQY-P001F
   7  *                              LME2510 + BS2F7HZ0194
   8  *
   9  * MVB7395 (LME2510C+SHARP:BS2F7HZ7395)
  10  * SHARP:BS2F7HZ7395 = (STV0288+Sharp IX2505V)
  11  *
  12  * MV001F (LME2510+LGTDQY-P001F)
  13  * LG TDQY - P001F =(TDA8263 + TDA10086H)
  14  *
  15  * MVB0001F (LME2510C+LGTDQT-P001F)
  16  *
  17  * MV0194 (LME2510+SHARP:BS2F7HZ0194)
  18  * SHARP:BS2F7HZ0194 = (STV0299+IX2410)
  19  *
  20  * MVB0194 (LME2510C+SHARP0194)
  21  *
  22  * For firmware see Documentation/dvb/lmedm04.txt
  23  *
  24  * I2C addresses:
  25  * 0xd0 - STV0288       - Demodulator
  26  * 0xc0 - Sharp IX2505V - Tuner
  27  * --
  28  * 0x1c - TDA10086   - Demodulator
  29  * 0xc0 - TDA8263    - Tuner
  30  * --
  31  * 0xd0 - STV0299       - Demodulator
  32  * 0xc0 - IX2410        - Tuner
  33  *
  34  *
  35  * VID = 3344  PID LME2510=1122 LME2510C=1120
  36  *
  37  * Copyright (C) 2010 Malcolm Priestley (tvboxspy@gmail.com)
  38  * LME2510(C)(C) Leaguerme (Shenzhen) MicroElectronics Co., Ltd.
  39  *
  40  * This program is free software; you can redistribute it and/or modify
  41  * it under the terms of the GNU General Public License Version 2, as
  42  * published by the Free Software Foundation.
  43  *
  44  * This program is distributed in the hope that it will be useful,
  45  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  46  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  47  * GNU General Public License for more details.
  48  *
  49  * You should have received a copy of the GNU General Public License
  50  * along with this program; if not, write to the Free Software
  51  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  52  *
  53  *
  54  * see Documentation/dvb/README.dvb-usb for more information
  55  *
  56  * Known Issues :
  57  *      LME2510: Non Intel USB chipsets fail to maintain High Speed on
  58  * Boot or Hot Plug.
  59  *
  60  * QQbox suffers from noise on LNB voltage.
  61  *
  62  *      LME2510: SHARP:BS2F7HZ0194(MV0194) cannot cold reset and share system
  63  * with other tuners. After a cold reset streaming will not start.
  64  *
  65  */
  66 #define DVB_USB_LOG_PREFIX "LME2510(C)"
  67 #include <linux/usb.h>
  68 #include <linux/usb/input.h>
  69 #include <media/rc-core.h>
  70
  71 #include "dvb-usb.h"
  72 #include "lmedm04.h"
  73 #include "tda826x.h"
  74 #include "tda10086.h"
  75 #include "stv0288.h"
  76 #include "ix2505v.h"
  77 #include "stv0299.h"
  78 #include "dvb-pll.h"
  79 #include "z0194a.h"
  80
  81
  82
  83 /* debug */
  84 static int dvb_usb_lme2510_debug;
  85 #define l_dprintk(var, level, args...) do { \
  86         if ((var >= level)) \
  87                 printk(KERN_DEBUG DVB_USB_LOG_PREFIX ": " args); \
  88 } while (0)
  89
  90 #define deb_info(level, args...) l_dprintk(dvb_usb_lme2510_debug, level, args)
  91 #define debug_data_snipet(level, name, p) \
  92          deb_info(level, name" (%02x%02x%02x%02x%02x%02x%02x%02x)", \
  93                 *p, *(p+1), *(p+2), *(p+3), *(p+4), \
  94                         *(p+5), *(p+6), *(p+7));
  95
  96
  97 module_param_named(debug, dvb_usb_lme2510_debug, int, 0644);
  98 MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))."
  99                         DVB_USB_DEBUG_STATUS);
 100
 101 static int dvb_usb_lme2510_firmware;
 102 module_param_named(firmware, dvb_usb_lme2510_firmware, int, 0644);
 103 MODULE_PARM_DESC(firmware, "set default firmware 0=Sharp7395 1=LG");
 104
 105 static int pid_filter;
 106 module_param_named(pid, pid_filter, int, 0644);
 107 MODULE_PARM_DESC(pid, "set default 0=on 1=off");
 108
 109
 110 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 111
 112 #define TUNER_DEFAULT   0x0
 113 #define TUNER_LG        0x1
 114 #define TUNER_S7395     0x2
 115 #define TUNER_S0194     0x3
 116
 117 struct lme2510_state {
 118         u8 id;
 119         u8 tuner_config;
 120         u8 signal_lock;
 121         u8 signal_level;
 122         u8 signal_sn;
 123         u8 time_key;
 124         u8 i2c_talk_onoff;
 125         u8 i2c_gate;
 126         u8 i2c_tuner_gate_w;
 127         u8 i2c_tuner_gate_r;
 128         u8 i2c_tuner_addr;
 129         u8 stream_on;
 130         u8 pid_size;
 131         void *buffer;
 132         struct urb *lme_urb;
 133         void *usb_buffer;
 134
 135 };
 136
 137 static int lme2510_bulk_write(struct usb_device *dev,
 138                                 u8 *snd, int len, u8 pipe)
 139 {
 140         int ret, actual_l;
 141
 142         ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
 143                                 snd, len , &actual_l, 100);
 144         return ret;
 145 }
 146
 147 static int lme2510_bulk_read(struct usb_device *dev,
 148                                 u8 *rev, int len, u8 pipe)
 149 {
 150         int ret, actual_l;
 151
 152         ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
 153                                  rev, len , &actual_l, 200);
 154         return ret;
 155 }
 156
 157 static int lme2510_usb_talk(struct dvb_usb_device *d,
 158                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
 159 {
 160         struct lme2510_state *st = d->priv;
 161         u8 *buff;
 162         int ret = 0;
 163
 164         if (st->usb_buffer == NULL) {
 165                 st->usb_buffer = kmalloc(512, GFP_KERNEL);
 166                 if (st->usb_buffer == NULL) {
 167                         info("MEM Error no memory");
 168                         return -ENOMEM;
 169                 }
 170         }
 171         buff = st->usb_buffer;
 172
 173         ret = mutex_lock_interruptible(&d->usb_mutex);
 174
 175         if (ret < 0)
 176                 return -EAGAIN;
 177
 178         /* the read/write capped at 512 */
 179         memcpy(buff, wbuf, (wlen > 512) ? 512 : wlen);
 180
 181         ret |= usb_clear_halt(d->udev, usb_sndbulkpipe(d->udev, 0x01));
 182
 183         ret |= lme2510_bulk_write(d->udev, buff, wlen , 0x01);
 184
 185         msleep(10);
 186
 187         ret |= usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x01));
 188
 189         ret |= lme2510_bulk_read(d->udev, buff, (rlen > 512) ?
 190                         512 : rlen , 0x01);
 191
 192         if (rlen > 0)
 193                 memcpy(rbuf, buff, rlen);
 194
 195         mutex_unlock(&d->usb_mutex);
 196
 197         return (ret < 0) ? -ENODEV : 0;
 198 }
 199
 200 static int lme2510_stream_restart(struct dvb_usb_device *d)
 201 {
 202         static u8 stream_on[] = LME_ST_ON_W;
 203         int ret;
 204         u8 rbuff[10];
 205         /*Restart Stream Command*/
 206         ret = lme2510_usb_talk(d, stream_on, sizeof(stream_on),
 207                         rbuff, sizeof(rbuff));
 208         return ret;
 209 }
 210
 211 static int lme2510_enable_pid(struct dvb_usb_device *d, u8 index, u16 pid_out)
 212 {
 213         struct lme2510_state *st = d->priv;
 214         static u8 pid_buff[] = LME_ZERO_PID;
 215         static u8 rbuf[1];
 216         u8 pid_no = index * 2;
 217         u8 pid_len = pid_no + 2;
 218         int ret = 0;
 219         deb_info(1, "PID Setting Pid %04x", pid_out);
 220
 221         if (st->pid_size == 0)
 222                 ret |= lme2510_stream_restart(d);
 223
 224         pid_buff[2] = pid_no;
 225         pid_buff[3] = (u8)pid_out & 0xff;
 226         pid_buff[4] = pid_no + 1;
 227         pid_buff[5] = (u8)(pid_out >> 8);
 228
 229         if (pid_len > st->pid_size)
 230                 st->pid_size = pid_len;
 231         pid_buff[7] = 0x80 + st->pid_size;
 232
 233         ret |= lme2510_usb_talk(d, pid_buff ,
 234                 sizeof(pid_buff) , rbuf, sizeof(rbuf));
 235
 236         if (st->stream_on)
 237                 ret |= lme2510_stream_restart(d);
 238
 239         return ret;
 240 }
 241
 242 static void lme2510_int_response(struct urb *lme_urb)
 243 {
 244         struct dvb_usb_adapter *adap = lme_urb->context;
 245         struct lme2510_state *st = adap->dev->priv;
 246         static u8 *ibuf, *rbuf;
 247         int i = 0, offset;
 248         u32 key;
 249
 250         switch (lme_urb->status) {
 251         case 0:
 252         case -ETIMEDOUT:
 253                 break;
 254         case -ECONNRESET:
 255         case -ENOENT:
 256         case -ESHUTDOWN:
 257                 return;
 258         default:
 259                 info("Error %x", lme_urb->status);
 260                 break;
 261         }
 262
 263         rbuf = (u8 *) lme_urb->transfer_buffer;
 264
 265         offset = ((lme_urb->actual_length/8) > 4)
 266                         ? 4 : (lme_urb->actual_length/8) ;
 267
 268         for (i = 0; i < offset; ++i) {
 269                 ibuf = (u8 *)&rbuf[i*8];
 270                 deb_info(5, "INT O/S C =%02x C/O=%02x Type =%02x%02x",
 271                 offset, i, ibuf[0], ibuf[1]);
 272
 273                 switch (ibuf[0]) {
 274                 case 0xaa:
 275                         debug_data_snipet(1, "INT Remote data snipet", ibuf);
 276                         if ((ibuf[4] + ibuf[5]) == 0xff) {
 277                                 key = ibuf[5];
 278                                 key += (ibuf[3] > 0)
 279                                         ? (ibuf[3] ^ 0xff) << 8 : 0;
 280                                 key += (ibuf[2] ^ 0xff) << 16;
 281                                 deb_info(1, "INT Key =%08x", key);
 282                                 if (adap->dev->rc_dev != NULL)
 283                                         rc_keydown(adap->dev->rc_dev, key, 0);
 284                         }
 285                         break;
 286                 case 0xbb:
 287                         switch (st->tuner_config) {
 288                         case TUNER_LG:
 289                                 if (ibuf[2] > 0)
 290                                         st->signal_lock = ibuf[2];
 291                                 st->signal_level = ibuf[4];
 292                                 st->signal_sn = ibuf[3];
 293                                 st->time_key = ibuf[7];
 294                                 break;
 295                         case TUNER_S7395:
 296                         case TUNER_S0194:
 297                                 /* Tweak for earlier firmware*/
 298                                 if (ibuf[1] == 0x03) {
 299                                         if (ibuf[2] > 1)
 300                                                 st->signal_lock = ibuf[2];
 301                                         st->signal_level = ibuf[3];
 302                                         st->signal_sn = ibuf[4];
 303                                 } else {
 304                                         st->signal_level = ibuf[4];
 305                                         st->signal_sn = ibuf[5];
 306                                         st->signal_lock =
 307                                                 (st->signal_lock & 0xf7) +
 308                                                 ((ibuf[2] & 0x01) << 0x03);
 309                                 }
 310                                 break;
 311                         default:
 312                                 break;
 313                         }
 314                         debug_data_snipet(5, "INT Remote data snipet in", ibuf);
 315                 break;
 316                 case 0xcc:
 317                         debug_data_snipet(1, "INT Control data snipet", ibuf);
 318                         break;
 319                 default:
 320                         debug_data_snipet(1, "INT Unknown data snipet", ibuf);
 321                 break;
 322                 }
 323         }
 324         usb_submit_urb(lme_urb, GFP_ATOMIC);
 325 }
 326
 327 static int lme2510_int_read(struct dvb_usb_adapter *adap)
 328 {
 329         struct lme2510_state *lme_int = adap->dev->priv;
 330
 331         lme_int->lme_urb = usb_alloc_urb(0, GFP_ATOMIC);
 332
 333         if (lme_int->lme_urb == NULL)
 334                         return -ENOMEM;
 335
 336         lme_int->buffer = usb_alloc_coherent(adap->dev->udev, 5000, GFP_ATOMIC,
 337                                         &lme_int->lme_urb->transfer_dma);
 338
 339         if (lme_int->buffer == NULL)
 340                         return -ENOMEM;
 341
 342         usb_fill_int_urb(lme_int->lme_urb,
 343                                 adap->dev->udev,
 344                                 usb_rcvintpipe(adap->dev->udev, 0xa),
 345                                 lme_int->buffer,
 346                                 4096,
 347                                 lme2510_int_response,
 348                                 adap,
 349                                 11);
 350
 351         lme_int->lme_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 352
 353         usb_submit_urb(lme_int->lme_urb, GFP_ATOMIC);
 354         info("INT Interrupt Service Started");
 355
 356         return 0;
 357 }
 358
 359 static int lme2510_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
 360 {
 361         struct lme2510_state *st = adap->dev->priv;
 362         static u8 clear_pid_reg[] = LME_CLEAR_PID;
 363         static u8 rbuf[1];
 364         int ret;
 365
 366         deb_info(1, "PID Clearing Filter");
 367
 368         ret = mutex_lock_interruptible(&adap->dev->i2c_mutex);
 369         if (ret < 0)
 370                 return -EAGAIN;
 371
 372         if (!onoff)
 373                 ret |= lme2510_usb_talk(adap->dev, clear_pid_reg,
 374                         sizeof(clear_pid_reg), rbuf, sizeof(rbuf));
 375
 376         st->pid_size = 0;
 377
 378         mutex_unlock(&adap->dev->i2c_mutex);
 379
 380         return 0;
 381 }
 382
 383 static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
 384         int onoff)
 385 {
 386         int ret = 0;
 387
 388         deb_info(3, "%s PID=%04x Index=%04x onoff=%02x", __func__,
 389                 pid, index, onoff);
 390
 391         if (onoff)
 392                 if (!pid_filter) {
 393                         ret = mutex_lock_interruptible(&adap->dev->i2c_mutex);
 394                         if (ret < 0)
 395                                 return -EAGAIN;
 396                         ret |= lme2510_enable_pid(adap->dev, index, pid);
 397                         mutex_unlock(&adap->dev->i2c_mutex);
 398         }
 399
 400
 401         return ret;
 402 }
 403
 404
 405 static int lme2510_return_status(struct usb_device *dev)
 406 {
 407         int ret = 0;
 408         u8 *data;
 409
 410         data = kzalloc(10, GFP_KERNEL);
 411         if (!data)
 412                 return -ENOMEM;
 413
 414         ret |= usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 415                         0x06, 0x80, 0x0302, 0x00, data, 0x0006, 200);
 416         info("Firmware Status: %x (%x)", ret , data[2]);
 417
 418         ret = (ret < 0) ? -ENODEV : data[2];
 419         kfree(data);
 420         return ret;
 421 }
 422
 423 static int lme2510_msg(struct dvb_usb_device *d,
 424                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
 425 {
 426         int ret = 0;
 427         struct lme2510_state *st = d->priv;
 428
 429         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 430                         return -EAGAIN;
 431
 432         if (st->i2c_talk_onoff == 1) {
 433
 434                 ret = lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 435
 436                 switch (st->tuner_config) {
 437                 case TUNER_LG:
 438                         if (wbuf[2] == 0x1c) {
 439                                 if (wbuf[3] == 0x0e) {
 440                                         st->signal_lock = rbuf[1];
 441                                         if ((st->stream_on & 1) &&
 442                                                 (st->signal_lock & 0x10)) {
 443                                                 lme2510_stream_restart(d);
 444                                                 st->i2c_talk_onoff = 0;
 445                                         }
 446                                         msleep(80);
 447                                 }
 448                         }
 449                         break;
 450                 case TUNER_S7395:
 451                         if (wbuf[2] == 0xd0) {
 452                                 if (wbuf[3] == 0x24) {
 453                                         st->signal_lock = rbuf[1];
 454                                         if ((st->stream_on & 1) &&
 455                                                 (st->signal_lock & 0x8)) {
 456                                                 lme2510_stream_restart(d);
 457                                                 st->i2c_talk_onoff = 0;
 458                                         }
 459                                 }
 460                                 if ((wbuf[3] != 0x6) & (wbuf[3] != 0x5))
 461                                         msleep(5);
 462                         }
 463                         break;
 464                 case TUNER_S0194:
 465                         if (wbuf[2] == 0xd0) {
 466                                 if (wbuf[3] == 0x1b) {
 467                                         st->signal_lock = rbuf[1];
 468                                         if ((st->stream_on & 1) &&
 469                                                 (st->signal_lock & 0x8)) {
 470                                                 lme2510_stream_restart(d);
 471                                                 st->i2c_talk_onoff = 0;
 472                                         }
 473                                 }
 474                         }
 475                         break;
 476                 default:
 477                         break;
 478                 }
 479         } else {
 480                 switch (st->tuner_config) {
 481                 case TUNER_LG:
 482                         switch (wbuf[3]) {
 483                         case 0x0e:
 484                                 rbuf[0] = 0x55;
 485                                 rbuf[1] = st->signal_lock;
 486                                 break;
 487                         case 0x43:
 488                                 rbuf[0] = 0x55;
 489                                 rbuf[1] = st->signal_level;
 490                                 break;
 491                         case 0x1c:
 492                                 rbuf[0] = 0x55;
 493                                 rbuf[1] = st->signal_sn;
 494                                 break;
 495                         case 0x15:
 496                         case 0x16:
 497                         case 0x17:
 498                         case 0x18:
 499                                 rbuf[0] = 0x55;
 500                                 rbuf[1] = 0x00;
 501                                 break;
 502                         default:
 503                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 504                                 st->i2c_talk_onoff = 1;
 505                                 break;
 506                         }
 507                         break;
 508                 case TUNER_S7395:
 509                         switch (wbuf[3]) {
 510                         case 0x10:
 511                                 rbuf[0] = 0x55;
 512                                 rbuf[1] = (st->signal_level & 0x80)
 513                                                 ? 0 : (st->signal_level * 2);
 514                                 break;
 515                         case 0x2d:
 516                                 rbuf[0] = 0x55;
 517                                 rbuf[1] = st->signal_sn;
 518                                 break;
 519                         case 0x24:
 520                                 rbuf[0] = 0x55;
 521                                 rbuf[1] = st->signal_lock;
 522                                 break;
 523                         case 0x2e:
 524                         case 0x26:
 525                         case 0x27:
 526                                 rbuf[0] = 0x55;
 527                                 rbuf[1] = 0x00;
 528                                 break;
 529                         default:
 530                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 531                                 st->i2c_talk_onoff = 1;
 532                                 break;
 533                         }
 534                         break;
 535                 case TUNER_S0194:
 536                         switch (wbuf[3]) {
 537                         case 0x18:
 538                                 rbuf[0] = 0x55;
 539                                 rbuf[1] = (st->signal_level & 0x80)
 540                                                 ? 0 : (st->signal_level * 2);
 541                                 break;
 542                         case 0x24:
 543                                 rbuf[0] = 0x55;
 544                                 rbuf[1] = st->signal_sn;
 545                                 break;
 546                         case 0x1b:
 547                                 rbuf[0] = 0x55;
 548                                 rbuf[1] = st->signal_lock;
 549                                 break;
 550                         case 0x19:
 551                         case 0x25:
 552                         case 0x1e:
 553                         case 0x1d:
 554                                 rbuf[0] = 0x55;
 555                                 rbuf[1] = 0x00;
 556                                 break;
 557                         default:
 558                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 559                                 st->i2c_talk_onoff = 1;
 560                                 break;
 561                         }
 562                         break;
 563                 default:
 564                         break;
 565                 }
 566
 567                 deb_info(4, "I2C From Interrupt Message out(%02x) in(%02x)",
 568                                 wbuf[3], rbuf[1]);
 569
 570         }
 571
 572         mutex_unlock(&d->i2c_mutex);
 573
 574         return ret;
 575 }
 576
 577
 578 static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 579                                  int num)
 580 {
 581         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 582         struct lme2510_state *st = d->priv;
 583         static u8 obuf[64], ibuf[512];
 584         int i, read, read_o;
 585         u16 len;
 586         u8 gate = st->i2c_gate;
 587
 588         if (gate == 0)
 589                 gate = 5;
 590
 591         if (num > 2)
 592                 warn("more than 2 i2c messages"
 593                         "at a time is not handled yet.  TODO.");
 594
 595         for (i = 0; i < num; i++) {
 596                 read_o = 1 & (msg[i].flags & I2C_M_RD);
 597                 read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
 598                 read |= read_o;
 599                 gate = (msg[i].addr == st->i2c_tuner_addr)
 600                         ? (read)        ? st->i2c_tuner_gate_r
 601                                         : st->i2c_tuner_gate_w
 602                         : st->i2c_gate;
 603                 obuf[0] = gate | (read << 7);
 604
 605                 if (gate == 5)
 606                         obuf[1] = (read) ? 2 : msg[i].len + 1;
 607                 else
 608                         obuf[1] = msg[i].len + read + 1;
 609
 610                 obuf[2] = msg[i].addr;
 611                 if (read) {
 612                         if (read_o)
 613                                 len = 3;
 614                         else {
 615                                 memcpy(&obuf[3], msg[i].buf, msg[i].len);
 616                                 obuf[msg[i].len+3] = msg[i+1].len;
 617                                 len = msg[i].len+4;
 618                         }
 619                 } else {
 620                         memcpy(&obuf[3], msg[i].buf, msg[i].len);
 621                         len = msg[i].len+3;
 622                 }
 623
 624                 if (lme2510_msg(d, obuf, len, ibuf, 512) < 0) {
 625                         deb_info(1, "i2c transfer failed.");
 626                         return -EAGAIN;
 627                 }
 628
 629                 if (read) {
 630                         if (read_o)
 631                                 memcpy(msg[i].buf, &ibuf[1], msg[i].len);
 632                         else {
 633                                 memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len);
 634                                 i++;
 635                         }
 636                 }
 637         }
 638         return i;
 639 }
 640
 641 static u32 lme2510_i2c_func(struct i2c_adapter *adapter)
 642 {
 643         return I2C_FUNC_I2C;
 644 }
 645
 646 static struct i2c_algorithm lme2510_i2c_algo = {
 647         .master_xfer   = lme2510_i2c_xfer,
 648         .functionality = lme2510_i2c_func,
 649 };
 650
 651 /* Callbacks for DVB USB */
 652 static int lme2510_identify_state(struct usb_device *udev,
 653                 struct dvb_usb_device_properties *props,
 654                 struct dvb_usb_device_description **desc,
 655                 int *cold)
 656 {
 657         *cold = 0;
 658         return 0;
 659 }
 660
 661 static int lme2510_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 662 {
 663         struct lme2510_state *st = adap->dev->priv;
 664         static u8 clear_reg_3[] = LME_CLEAR_PID;
 665         static u8 rbuf[1];
 666         int ret = 0, rlen = sizeof(rbuf);
 667
 668         deb_info(1, "STM  (%02x)", onoff);
 669
 670         /* Streaming is started by FE_HAS_LOCK */
 671         if (onoff == 1)
 672                 st->stream_on = 1;
 673         else {
 674                 deb_info(1, "STM Steam Off");
 675                 /* mutex is here only to avoid collision with I2C */
 676                 if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
 677                         return -EAGAIN;
 678
 679                 ret = lme2510_usb_talk(adap->dev, clear_reg_3,
 680                                 sizeof(clear_reg_3), rbuf, rlen);
 681                 st->stream_on = 0;
 682                 st->i2c_talk_onoff = 1;
 683
 684                 mutex_unlock(&adap->dev->i2c_mutex);
 685         }
 686
 687         return (ret < 0) ? -ENODEV : 0;
 688 }
 689
 690 static u8 check_sum(u8 *p, u8 len)
 691 {
 692         u8 sum = 0;
 693         while (len--)
 694                 sum += *p++;
 695         return sum;
 696 }
 697
 698 static int lme2510_download_firmware(struct usb_device *dev,
 699                                         const struct firmware *fw)
 700 {
 701         int ret = 0;
 702         u8 *data;
 703         u16 j, wlen, len_in, start, end;
 704         u8 packet_size, dlen, i;
 705         u8 *fw_data;
 706
 707         packet_size = 0x31;
 708         len_in = 1;
 709
 710         data = kzalloc(512, GFP_KERNEL);
 711         if (!data) {
 712                 info("FRM Could not start Firmware Download (Buffer allocation failed)");
 713                 return -ENOMEM;
 714         }
 715
 716         info("FRM Starting Firmware Download");
 717
 718         for (i = 1; i < 3; i++) {
 719                 start = (i == 1) ? 0 : 512;
 720                 end = (i == 1) ? 512 : fw->size;
 721                 for (j = start; j < end; j += (packet_size+1)) {
 722                         fw_data = (u8 *)(fw->data + j);
 723                         if ((end - j) > packet_size) {
 724                                 data[0] = i;
 725                                 dlen = packet_size;
 726                         } else {
 727                                 data[0] = i | 0x80;
 728                                 dlen = (u8)(end - j)-1;
 729                         }
 730                         data[1] = dlen;
 731                         memcpy(&data[2], fw_data, dlen+1);
 732                         wlen = (u8) dlen + 4;
 733                         data[wlen-1] = check_sum(fw_data, dlen+1);
 734                         deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3],
 735                                 data[dlen+2], data[dlen+3]);
 736                         ret |= lme2510_bulk_write(dev, data,  wlen, 1);
 737                         ret |= lme2510_bulk_read(dev, data, len_in , 1);
 738                         ret |= (data[0] == 0x88) ? 0 : -1;
 739                 }
 740         }
 741
 742         usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 743                         0x06, 0x80, 0x0200, 0x00, data, 0x0109, 1000);
 744
 745
 746         data[0] = 0x8a;
 747         len_in = 1;
 748         msleep(2000);
 749         ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Resetting*/
 750         ret |= lme2510_bulk_read(dev, data, len_in, 1);
 751         msleep(400);
 752
 753         if (ret < 0)
 754                 info("FRM Firmware Download Failed (%04x)" , ret);
 755         else
 756                 info("FRM Firmware Download Completed - Resetting Device");
 757
 758         kfree(data);
 759         return (ret < 0) ? -ENODEV : 0;
 760 }
 761
 762 static void lme_coldreset(struct usb_device *dev)
 763 {
 764         int ret = 0, len_in;
 765         u8 data[512] = {0};
 766
 767         data[0] = 0x0a;
 768         len_in = 1;
 769         info("FRM Firmware Cold Reset");
 770         ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Cold Resetting*/
 771         ret |= lme2510_bulk_read(dev, data, len_in, 1);
 772
 773         return;
 774 }
 775
 776 static int lme_firmware_switch(struct usb_device *udev, int cold)
 777 {
 778         const struct firmware *fw = NULL;
 779         const char fw_c_s7395[] = "dvb-usb-lme2510c-s7395.fw";
 780         const char fw_c_lg[] = "dvb-usb-lme2510c-lg.fw";
 781         const char fw_c_s0194[] = "dvb-usb-lme2510c-s0194.fw";
 782         const char fw_lg[] = "dvb-usb-lme2510-lg.fw";
 783         const char fw_s0194[] = "dvb-usb-lme2510-s0194.fw";
 784         const char *fw_lme;
 785         int ret, cold_fw;
 786
 787         cold = (cold > 0) ? (cold & 1) : 0;
 788
 789         cold_fw = !cold;
 790
 791         if (le16_to_cpu(udev->descriptor.idProduct) == 0x1122) {
 792                 switch (dvb_usb_lme2510_firmware) {
 793                 default:
 794                         dvb_usb_lme2510_firmware = TUNER_S0194;
 795                 case TUNER_S0194:
 796                         fw_lme = fw_s0194;
 797                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 798                         if (ret == 0) {
 799                                 cold = 0;
 800                                 break;
 801                         }
 802                         dvb_usb_lme2510_firmware = TUNER_LG;
 803                 case TUNER_LG:
 804                         fw_lme = fw_lg;
 805                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 806                         if (ret == 0)
 807                                 break;
 808                         info("FRM No Firmware Found - please install");
 809                         dvb_usb_lme2510_firmware = TUNER_DEFAULT;
 810                         cold = 0;
 811                         cold_fw = 0;
 812                         break;
 813                 }
 814         } else {
 815                 switch (dvb_usb_lme2510_firmware) {
 816                 default:
 817                         dvb_usb_lme2510_firmware = TUNER_S7395;
 818                 case TUNER_S7395:
 819                         fw_lme = fw_c_s7395;
 820                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 821                         if (ret == 0) {
 822                                 cold = 0;
 823                                 break;
 824                         }
 825                         dvb_usb_lme2510_firmware = TUNER_LG;
 826                 case TUNER_LG:
 827                         fw_lme = fw_c_lg;
 828                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 829                         if (ret == 0)
 830                                 break;
 831                         dvb_usb_lme2510_firmware = TUNER_S0194;
 832                 case TUNER_S0194:
 833                         fw_lme = fw_c_s0194;
 834                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 835                         if (ret == 0)
 836                                 break;
 837                         info("FRM No Firmware Found - please install");
 838                         dvb_usb_lme2510_firmware = TUNER_DEFAULT;
 839                         cold = 0;
 840                         cold_fw = 0;
 841                         break;
 842                 }
 843         }
 844
 845         if (cold_fw) {
 846                 info("FRM Loading %s file", fw_lme);
 847                 ret = lme2510_download_firmware(udev, fw);
 848         }
 849
 850         release_firmware(fw);
 851
 852         if (cold) {
 853                 info("FRM Changing to %s firmware", fw_lme);
 854                 lme_coldreset(udev);
 855                 return -ENODEV;
 856         }
 857
 858         return ret;
 859 }
 860
 861 static int lme2510_kill_urb(struct usb_data_stream *stream)
 862 {
 863         int i;
 864
 865         for (i = 0; i < stream->urbs_submitted; i++) {
 866                 deb_info(3, "killing URB no. %d.", i);
 867                 /* stop the URB */
 868                 usb_kill_urb(stream->urb_list[i]);
 869         }
 870         stream->urbs_submitted = 0;
 871
 872         return 0;
 873 }
 874
 875 static struct tda10086_config tda10086_config = {
 876         .demod_address = 0x1c,
 877         .invert = 0,
 878         .diseqc_tone = 1,
 879         .xtal_freq = TDA10086_XTAL_16M,
 880 };
 881
 882 static struct stv0288_config lme_config = {
 883         .demod_address = 0xd0,
 884         .min_delay_ms = 15,
 885         .inittab = s7395_inittab,
 886 };
 887
 888 static struct ix2505v_config lme_tuner = {
 889         .tuner_address = 0xc0,
 890         .min_delay_ms = 100,
 891         .tuner_gain = 0x0,
 892         .tuner_chargepump = 0x3,
 893 };
 894
 895 static struct stv0299_config sharp_z0194_config = {
 896         .demod_address = 0xd0,
 897         .inittab = sharp_z0194a_inittab,
 898         .mclk = 88000000UL,
 899         .invert = 0,
 900         .skip_reinit = 0,
 901         .lock_output = STV0299_LOCKOUTPUT_1,
 902         .volt13_op0_op1 = STV0299_VOLT13_OP1,
 903         .min_delay_ms = 100,
 904         .set_symbol_rate = sharp_z0194a_set_symbol_rate,
 905 };
 906
 907 static int dm04_lme2510_set_voltage(struct dvb_frontend *fe,
 908                                         fe_sec_voltage_t voltage)
 909 {
 910         struct dvb_usb_adapter *adap = fe->dvb->priv;
 911         static u8 voltage_low[] = LME_VOLTAGE_L;
 912         static u8 voltage_high[] = LME_VOLTAGE_H;
 913         static u8 rbuf[1];
 914         int ret = 0, len = 3, rlen = 1;
 915
 916         if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
 917                         return -EAGAIN;
 918
 919         switch (voltage) {
 920         case SEC_VOLTAGE_18:
 921                 ret |= lme2510_usb_talk(adap->dev,
 922                         voltage_high, len, rbuf, rlen);
 923                 break;
 924
 925         case SEC_VOLTAGE_OFF:
 926         case SEC_VOLTAGE_13:
 927         default:
 928                 ret |= lme2510_usb_talk(adap->dev,
 929                                 voltage_low, len, rbuf, rlen);
 930                 break;
 931         }
 932
 933         mutex_unlock(&adap->dev->i2c_mutex);
 934
 935         return (ret < 0) ? -ENODEV : 0;
 936 }
 937
 938 static int lme_name(struct dvb_usb_adapter *adap)
 939 {
 940         struct lme2510_state *st = adap->dev->priv;
 941         const char *desc = adap->dev->desc->name;
 942         char *fe_name[] = {"", " LG TDQY-P001F", " SHARP:BS2F7HZ7395",
 943                                 " SHARP:BS2F7HZ0194"};
 944         char *name = adap->fe->ops.info.name;
 945
 946         strlcpy(name, desc, 128);
 947         strlcat(name, fe_name[st->tuner_config], 128);
 948
 949         return 0;
 950 }
 951
 952 static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
 953 {
 954         struct lme2510_state *st = adap->dev->priv;
 955
 956         int ret = 0;
 957
 958         st->i2c_talk_onoff = 1;
 959
 960         st->i2c_gate = 4;
 961         adap->fe = dvb_attach(tda10086_attach, &tda10086_config,
 962                 &adap->dev->i2c_adap);
 963
 964         if (adap->fe) {
 965                 info("TUN Found Frontend TDA10086");
 966                 st->i2c_tuner_gate_w = 4;
 967                 st->i2c_tuner_gate_r = 4;
 968                 st->i2c_tuner_addr = 0xc0;
 969                 st->tuner_config = TUNER_LG;
 970                 if (dvb_usb_lme2510_firmware != TUNER_LG) {
 971                         dvb_usb_lme2510_firmware = TUNER_LG;
 972                         ret = lme_firmware_switch(adap->dev->udev, 1);
 973                 }
 974                 goto end;
 975         }
 976
 977         st->i2c_gate = 4;
 978         adap->fe = dvb_attach(stv0299_attach, &sharp_z0194_config,
 979                         &adap->dev->i2c_adap);
 980         if (adap->fe) {
 981                 info("FE Found Stv0299");
 982                 st->i2c_tuner_gate_w = 4;
 983                 st->i2c_tuner_gate_r = 5;
 984                 st->i2c_tuner_addr = 0xc0;
 985                 st->tuner_config = TUNER_S0194;
 986                 if (dvb_usb_lme2510_firmware != TUNER_S0194) {
 987                         dvb_usb_lme2510_firmware = TUNER_S0194;
 988                         ret = lme_firmware_switch(adap->dev->udev, 1);
 989                 }
 990                 goto end;
 991         }
 992
 993         st->i2c_gate = 5;
 994         adap->fe = dvb_attach(stv0288_attach, &lme_config,
 995                         &adap->dev->i2c_adap);
 996         if (adap->fe) {
 997                 info("FE Found Stv0288");
 998                 st->i2c_tuner_gate_w = 4;
 999                 st->i2c_tuner_gate_r = 5;
1000                 st->i2c_tuner_addr = 0xc0;
1001                 st->tuner_config = TUNER_S7395;
1002                 if (dvb_usb_lme2510_firmware != TUNER_S7395) {
1003                         dvb_usb_lme2510_firmware = TUNER_S7395;
1004                         ret = lme_firmware_switch(adap->dev->udev, 1);
1005                 }
1006         } else {
1007                 info("DM04 Not Supported");
1008                 return -ENODEV;
1009         }
1010
1011
1012 end:    if (ret) {
1013                 if (adap->fe) {
1014                         dvb_frontend_detach(adap->fe);
1015                         adap->fe = NULL;
1016                 }
1017                 adap->dev->props.rc.core.rc_codes = NULL;
1018                 return -ENODEV;
1019         }
1020
1021         adap->fe->ops.set_voltage = dm04_lme2510_set_voltage;
1022         ret = lme_name(adap);
1023         return ret;
1024 }
1025
1026 static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap)
1027 {
1028         struct lme2510_state *st = adap->dev->priv;
1029         char *tun_msg[] = {"", "TDA8263", "IX2505V", "DVB_PLL_OPERA"};
1030         int ret = 0;
1031
1032         switch (st->tuner_config) {
1033         case TUNER_LG:
1034                 if (dvb_attach(tda826x_attach, adap->fe, 0xc0,
1035                         &adap->dev->i2c_adap, 1))
1036                         ret = st->tuner_config;
1037                 break;
1038         case TUNER_S7395:
1039                 if (dvb_attach(ix2505v_attach , adap->fe, &lme_tuner,
1040                         &adap->dev->i2c_adap))
1041                         ret = st->tuner_config;
1042                 break;
1043         case TUNER_S0194:
1044                 if (dvb_attach(dvb_pll_attach , adap->fe, 0xc0,
1045                         &adap->dev->i2c_adap, DVB_PLL_OPERA1))
1046                         ret = st->tuner_config;
1047                 break;
1048         default:
1049                 break;
1050         }
1051
1052         if (ret)
1053                 info("TUN Found %s tuner", tun_msg[ret]);
1054         else {
1055                 info("TUN No tuner found --- reseting device");
1056                 lme_coldreset(adap->dev->udev);
1057                 return -ENODEV;
1058         }
1059
1060         /* Start the Interrupt*/
1061         ret = lme2510_int_read(adap);
1062         if (ret < 0) {
1063                 info("INT Unable to start Interrupt Service");
1064                 return -ENODEV;
1065         }
1066
1067         return ret;
1068 }
1069
1070 static int lme2510_powerup(struct dvb_usb_device *d, int onoff)
1071 {
1072         struct lme2510_state *st = d->priv;
1073         static u8 lnb_on[] = LNB_ON;
1074         static u8 lnb_off[] = LNB_OFF;
1075         static u8 rbuf[1];
1076         int ret, len = 3, rlen = 1;
1077
1078         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
1079                 return -EAGAIN;
1080
1081         if (onoff)
1082                 ret = lme2510_usb_talk(d, lnb_on, len, rbuf, rlen);
1083         else
1084                 ret = lme2510_usb_talk(d, lnb_off, len, rbuf, rlen);
1085
1086         st->i2c_talk_onoff = 1;
1087
1088         mutex_unlock(&d->i2c_mutex);
1089
1090         return ret;
1091 }
1092
1093 /* DVB USB Driver stuff */
1094 static struct dvb_usb_device_properties lme2510_properties;
1095 static struct dvb_usb_device_properties lme2510c_properties;
1096
1097 static int lme2510_probe(struct usb_interface *intf,
1098                 const struct usb_device_id *id)
1099 {
1100         struct usb_device *udev = interface_to_usbdev(intf);
1101         int ret = 0;
1102
1103         usb_reset_configuration(udev);
1104
1105         usb_set_interface(udev, intf->cur_altsetting->desc.bInterfaceNumber, 1);
1106
1107         if (udev->speed != USB_SPEED_HIGH) {
1108                 ret = usb_reset_device(udev);
1109                 info("DEV Failed to connect in HIGH SPEED mode");
1110                 return -ENODEV;
1111         }
1112
1113         if (lme2510_return_status(udev) == 0x44) {
1114                 lme_firmware_switch(udev, 0);
1115                 return -ENODEV;
1116         }
1117
1118         if (0 == dvb_usb_device_init(intf, &lme2510_properties,
1119                                      THIS_MODULE, NULL, adapter_nr)) {
1120                 info("DEV registering device driver");
1121                 return 0;
1122         }
1123         if (0 == dvb_usb_device_init(intf, &lme2510c_properties,
1124                                      THIS_MODULE, NULL, adapter_nr)) {
1125                 info("DEV registering device driver");
1126                 return 0;
1127         }
1128
1129         info("DEV lme2510 Error");
1130         return -ENODEV;
1131
1132 }
1133
1134 static struct usb_device_id lme2510_table[] = {
1135         { USB_DEVICE(0x3344, 0x1122) },  /* LME2510 */
1136         { USB_DEVICE(0x3344, 0x1120) },  /* LME2510C */
1137         {}              /* Terminating entry */
1138 };
1139
1140 MODULE_DEVICE_TABLE(usb, lme2510_table);
1141
1142 static struct dvb_usb_device_properties lme2510_properties = {
1143         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
1144         .size_of_priv = sizeof(struct lme2510_state),
1145         .num_adapters = 1,
1146         .adapter = {
1147                 {
1148                         .caps = DVB_USB_ADAP_HAS_PID_FILTER|
1149                                 DVB_USB_ADAP_NEED_PID_FILTERING|
1150                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1151                         .streaming_ctrl   = lme2510_streaming_ctrl,
1152                         .pid_filter_count = 15,
1153                         .pid_filter = lme2510_pid_filter,
1154                         .pid_filter_ctrl  = lme2510_pid_filter_ctrl,
1155                         .frontend_attach  = dm04_lme2510_frontend_attach,
1156                         .tuner_attach = dm04_lme2510_tuner,
1157                         /* parameter for the MPEG2-data transfer */
1158                         .stream = {
1159                                 .type = USB_BULK,
1160                                 .count = 10,
1161                                 .endpoint = 0x06,
1162                                 .u = {
1163                                         .bulk = {
1164                                                 .buffersize = 4096,
1165
1166                                         }
1167                                 }
1168                         }
1169                 }
1170         },
1171         .rc.core = {
1172                 .protocol       = RC_TYPE_NEC,
1173                 .module_name    = "LME2510 Remote Control",
1174                 .allowed_protos = RC_TYPE_NEC,
1175                 .rc_codes       = RC_MAP_LME2510,
1176         },
1177         .power_ctrl       = lme2510_powerup,
1178         .identify_state   = lme2510_identify_state,
1179         .i2c_algo         = &lme2510_i2c_algo,
1180         .generic_bulk_ctrl_endpoint = 0,
1181         .num_device_descs = 1,
1182         .devices = {
1183                 {   "DM04_LME2510_DVB-S",
1184                         { &lme2510_table[0], NULL },
1185                         },
1186
1187         }
1188 };
1189
1190 static struct dvb_usb_device_properties lme2510c_properties = {
1191         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
1192         .size_of_priv = sizeof(struct lme2510_state),
1193         .num_adapters = 1,
1194         .adapter = {
1195                 {
1196                         .caps = DVB_USB_ADAP_HAS_PID_FILTER|
1197                                 DVB_USB_ADAP_NEED_PID_FILTERING|
1198                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1199                         .streaming_ctrl   = lme2510_streaming_ctrl,
1200                         .pid_filter_count = 15,
1201                         .pid_filter = lme2510_pid_filter,
1202                         .pid_filter_ctrl  = lme2510_pid_filter_ctrl,
1203                         .frontend_attach  = dm04_lme2510_frontend_attach,
1204                         .tuner_attach = dm04_lme2510_tuner,
1205                         /* parameter for the MPEG2-data transfer */
1206                         .stream = {
1207                                 .type = USB_BULK,
1208                                 .count = 10,
1209                                 .endpoint = 0x8,
1210                                 .u = {
1211                                         .bulk = {
1212                                                 .buffersize = 4096,
1213
1214                                         }
1215                                 }
1216                         }
1217                 }
1218         },
1219         .rc.core = {
1220                 .protocol       = RC_TYPE_NEC,
1221                 .module_name    = "LME2510 Remote Control",
1222                 .allowed_protos = RC_TYPE_NEC,
1223                 .rc_codes       = RC_MAP_LME2510,
1224         },
1225         .power_ctrl       = lme2510_powerup,
1226         .identify_state   = lme2510_identify_state,
1227         .i2c_algo         = &lme2510_i2c_algo,
1228         .generic_bulk_ctrl_endpoint = 0,
1229         .num_device_descs = 1,
1230         .devices = {
1231                 {   "DM04_LME2510C_DVB-S",
1232                         { &lme2510_table[1], NULL },
1233                         },
1234         }
1235 };
1236
1237 static void *lme2510_exit_int(struct dvb_usb_device *d)
1238 {
1239         struct lme2510_state *st = d->priv;
1240         struct dvb_usb_adapter *adap = &d->adapter[0];
1241         void *buffer = NULL;
1242
1243         if (adap != NULL) {
1244                 lme2510_kill_urb(&adap->stream);
1245                 adap->feedcount = 0;
1246         }
1247
1248         if (st->usb_buffer != NULL) {
1249                 st->i2c_talk_onoff = 1;
1250                 st->signal_lock = 0;
1251                 st->signal_level = 0;
1252                 st->signal_sn = 0;
1253                 buffer = st->usb_buffer;
1254         }
1255
1256         if (st->lme_urb != NULL) {
1257                 usb_kill_urb(st->lme_urb);
1258                 usb_free_coherent(d->udev, 5000, st->buffer,
1259                                   st->lme_urb->transfer_dma);
1260                 info("Interrupt Service Stopped");
1261         }
1262
1263         return buffer;
1264 }
1265
1266 static void lme2510_exit(struct usb_interface *intf)
1267 {
1268         struct dvb_usb_device *d = usb_get_intfdata(intf);
1269         void *usb_buffer;
1270
1271         if (d != NULL) {
1272                 usb_buffer = lme2510_exit_int(d);
1273                 dvb_usb_device_exit(intf);
1274                 if (usb_buffer != NULL)
1275                         kfree(usb_buffer);
1276         }
1277 }
1278
1279 static struct usb_driver lme2510_driver = {
1280         .name           = "LME2510C_DVB-S",
1281         .probe          = lme2510_probe,
1282         .disconnect     = lme2510_exit,
1283         .id_table       = lme2510_table,
1284 };
1285
1286 /* module stuff */
1287 static int __init lme2510_module_init(void)
1288 {
1289         int result = usb_register(&lme2510_driver);
1290         if (result) {
1291                 err("usb_register failed. Error number %d", result);
1292                 return result;
1293         }
1294
1295         return 0;
1296 }
1297
1298 static void __exit lme2510_module_exit(void)
1299 {
1300         /* deregister this driver from the USB subsystem */
1301         usb_deregister(&lme2510_driver);
1302 }
1303
1304 module_init(lme2510_module_init);
1305 module_exit(lme2510_module_exit);
1306
1307 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
1308 MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0");
1309 MODULE_VERSION("1.88");
1310 MODULE_LICENSE("GPL");