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         void *buffer;
 131         struct urb *lme_urb;
 132         void *usb_buffer;
 133
 134 };
 135
 136 static int lme2510_bulk_write(struct usb_device *dev,
 137                                 u8 *snd, int len, u8 pipe)
 138 {
 139         int ret, actual_l;
 140
 141         ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
 142                                 snd, len , &actual_l, 100);
 143         return ret;
 144 }
 145
 146 static int lme2510_bulk_read(struct usb_device *dev,
 147                                 u8 *rev, int len, u8 pipe)
 148 {
 149         int ret, actual_l;
 150
 151         ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
 152                                  rev, len , &actual_l, 200);
 153         return ret;
 154 }
 155
 156 static int lme2510_usb_talk(struct dvb_usb_device *d,
 157                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
 158 {
 159         struct lme2510_state *st = d->priv;
 160         u8 *buff;
 161         int ret = 0;
 162
 163         if (st->usb_buffer == NULL) {
 164                 st->usb_buffer = kmalloc(512, GFP_KERNEL);
 165                 if (st->usb_buffer == NULL) {
 166                         info("MEM Error no memory");
 167                         return -ENOMEM;
 168                 }
 169         }
 170         buff = st->usb_buffer;
 171
 172         ret = mutex_lock_interruptible(&d->usb_mutex);
 173
 174         if (ret < 0)
 175                 return -EAGAIN;
 176
 177         /* the read/write capped at 512 */
 178         memcpy(buff, wbuf, (wlen > 512) ? 512 : wlen);
 179
 180         ret |= usb_clear_halt(d->udev, usb_sndbulkpipe(d->udev, 0x01));
 181
 182         ret |= lme2510_bulk_write(d->udev, buff, wlen , 0x01);
 183
 184         msleep(10);
 185
 186         ret |= usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x01));
 187
 188         ret |= lme2510_bulk_read(d->udev, buff, (rlen > 512) ?
 189                         512 : rlen , 0x01);
 190
 191         if (rlen > 0)
 192                 memcpy(rbuf, buff, rlen);
 193
 194         mutex_unlock(&d->usb_mutex);
 195
 196         return (ret < 0) ? -ENODEV : 0;
 197 }
 198
 199 static int lme2510_stream_restart(struct dvb_usb_device *d)
 200 {
 201         static u8 stream_on[] = LME_ST_ON_W;
 202         int ret;
 203         u8 rbuff[10];
 204         /*Restart Stream Command*/
 205         ret = lme2510_usb_talk(d, stream_on, sizeof(stream_on),
 206                         rbuff, sizeof(rbuff));
 207         return ret;
 208 }
 209 static int lme2510_remote_keypress(struct dvb_usb_adapter *adap, u32 keypress)
 210 {
 211         struct dvb_usb_device *d = adap->dev;
 212
 213         deb_info(1, "INT Key Keypress =%04x", keypress);
 214
 215         if (keypress > 0)
 216                 rc_keydown(d->rc_dev, keypress, 0);
 217
 218         return 0;
 219 }
 220
 221 static int lme2510_enable_pid(struct dvb_usb_device *d, u8 index, u16 pid_out)
 222 {
 223         struct lme2510_state *st = d->priv;
 224         static u8 pid_buff[] = LME_ZERO_PID;
 225         static u8 rbuf[1];
 226         u8 pid_no = index * 2;
 227         int ret = 0;
 228         deb_info(1, "PID Setting Pid %04x", pid_out);
 229
 230         pid_buff[2] = pid_no;
 231         pid_buff[3] = (u8)pid_out & 0xff;
 232         pid_buff[4] = pid_no + 1;
 233         pid_buff[5] = (u8)(pid_out >> 8);
 234
 235         /* wait for i2c mutex */
 236         ret = mutex_lock_interruptible(&d->i2c_mutex);
 237         if (ret < 0) {
 238                 ret = -EAGAIN;
 239                 return ret;
 240         }
 241
 242         ret |= lme2510_usb_talk(d, pid_buff ,
 243                 sizeof(pid_buff) , rbuf, sizeof(rbuf));
 244
 245         if (st->stream_on & 1)
 246                 ret |= lme2510_stream_restart(d);
 247
 248         mutex_unlock(&d->i2c_mutex);
 249
 250         return ret;
 251 }
 252
 253 static void lme2510_int_response(struct urb *lme_urb)
 254 {
 255         struct dvb_usb_adapter *adap = lme_urb->context;
 256         struct lme2510_state *st = adap->dev->priv;
 257         static u8 *ibuf, *rbuf;
 258         int i = 0, offset;
 259
 260         switch (lme_urb->status) {
 261         case 0:
 262         case -ETIMEDOUT:
 263                 break;
 264         case -ECONNRESET:
 265         case -ENOENT:
 266         case -ESHUTDOWN:
 267                 return;
 268         default:
 269                 info("Error %x", lme_urb->status);
 270                 break;
 271         }
 272
 273         rbuf = (u8 *) lme_urb->transfer_buffer;
 274
 275         offset = ((lme_urb->actual_length/8) > 4)
 276                         ? 4 : (lme_urb->actual_length/8) ;
 277
 278         for (i = 0; i < offset; ++i) {
 279                 ibuf = (u8 *)&rbuf[i*8];
 280                 deb_info(5, "INT O/S C =%02x C/O=%02x Type =%02x%02x",
 281                 offset, i, ibuf[0], ibuf[1]);
 282
 283                 switch (ibuf[0]) {
 284                 case 0xaa:
 285                         debug_data_snipet(1, "INT Remote data snipet in", ibuf);
 286                         lme2510_remote_keypress(adap,
 287                                 (u32)(ibuf[2] << 24) + (ibuf[3] << 16) +
 288                                 (ibuf[4] << 8) + ibuf[5]);
 289                         break;
 290                 case 0xbb:
 291                         switch (st->tuner_config) {
 292                         case TUNER_LG:
 293                                 if (ibuf[2] > 0)
 294                                         st->signal_lock = ibuf[2];
 295                                 st->signal_level = ibuf[4];
 296                                 st->signal_sn = ibuf[3];
 297                                 st->time_key = ibuf[7];
 298                                 break;
 299                         case TUNER_S7395:
 300                         case TUNER_S0194:
 301                                 /* Tweak for earlier firmware*/
 302                                 if (ibuf[1] == 0x03) {
 303                                         if (ibuf[2] > 1)
 304                                                 st->signal_lock = ibuf[2];
 305                                         st->signal_level = ibuf[3];
 306                                         st->signal_sn = ibuf[4];
 307                                 } else {
 308                                         st->signal_level = ibuf[4];
 309                                         st->signal_sn = ibuf[5];
 310                                         st->signal_lock =
 311                                                 (st->signal_lock & 0xf7) +
 312                                                 ((ibuf[2] & 0x01) << 0x03);
 313                                 }
 314                                 break;
 315                         default:
 316                                 break;
 317                         }
 318                         debug_data_snipet(5, "INT Remote data snipet in", ibuf);
 319                 break;
 320                 case 0xcc:
 321                         debug_data_snipet(1, "INT Control data snipet", ibuf);
 322                         break;
 323                 default:
 324                         debug_data_snipet(1, "INT Unknown data snipet", ibuf);
 325                 break;
 326                 }
 327         }
 328         usb_submit_urb(lme_urb, GFP_ATOMIC);
 329 }
 330
 331 static int lme2510_int_read(struct dvb_usb_adapter *adap)
 332 {
 333         struct lme2510_state *lme_int = adap->dev->priv;
 334
 335         lme_int->lme_urb = usb_alloc_urb(0, GFP_ATOMIC);
 336
 337         if (lme_int->lme_urb == NULL)
 338                         return -ENOMEM;
 339
 340         lme_int->buffer = usb_alloc_coherent(adap->dev->udev, 5000, GFP_ATOMIC,
 341                                         &lme_int->lme_urb->transfer_dma);
 342
 343         if (lme_int->buffer == NULL)
 344                         return -ENOMEM;
 345
 346         usb_fill_int_urb(lme_int->lme_urb,
 347                                 adap->dev->udev,
 348                                 usb_rcvintpipe(adap->dev->udev, 0xa),
 349                                 lme_int->buffer,
 350                                 4096,
 351                                 lme2510_int_response,
 352                                 adap,
 353                                 11);
 354
 355         lme_int->lme_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 356
 357         usb_submit_urb(lme_int->lme_urb, GFP_ATOMIC);
 358         info("INT Interrupt Service Started");
 359
 360         return 0;
 361 }
 362
 363 static int lme2510_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
 364 {
 365         static u8 clear_pid_reg[] = LME_CLEAR_PID;
 366         static u8 rbuf[1];
 367         int ret = 0;
 368
 369         deb_info(1, "PID Clearing Filter");
 370
 371         ret = mutex_lock_interruptible(&adap->dev->i2c_mutex);
 372
 373         if (!onoff)
 374                 ret |= lme2510_usb_talk(adap->dev, clear_pid_reg,
 375                         sizeof(clear_pid_reg), rbuf, sizeof(rbuf));
 376
 377         mutex_unlock(&adap->dev->i2c_mutex);
 378
 379         return 0;
 380 }
 381
 382 static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
 383         int onoff)
 384 {
 385         int ret = 0;
 386
 387         deb_info(3, "%s PID=%04x Index=%04x onoff=%02x", __func__,
 388                 pid, index, onoff);
 389
 390         if (onoff)
 391                 if (!pid_filter)
 392                         ret = lme2510_enable_pid(adap->dev, index, pid);
 393
 394         return ret;
 395 }
 396
 397
 398 static int lme2510_return_status(struct usb_device *dev)
 399 {
 400         int ret = 0;
 401         u8 *data;
 402
 403         data = kzalloc(10, GFP_KERNEL);
 404         if (!data)
 405                 return -ENOMEM;
 406
 407         ret |= usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 408                         0x06, 0x80, 0x0302, 0x00, data, 0x0006, 200);
 409         info("Firmware Status: %x (%x)", ret , data[2]);
 410
 411         ret = (ret < 0) ? -ENODEV : data[2];
 412         kfree(data);
 413         return ret;
 414 }
 415
 416 static int lme2510_msg(struct dvb_usb_device *d,
 417                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
 418 {
 419         int ret = 0;
 420         struct lme2510_state *st = d->priv;
 421
 422         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 423                         return -EAGAIN;
 424
 425         if (st->i2c_talk_onoff == 1) {
 426
 427                 ret = lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 428
 429                 switch (st->tuner_config) {
 430                 case TUNER_LG:
 431                         if (wbuf[2] == 0x1c) {
 432                                 if (wbuf[3] == 0x0e) {
 433                                         st->signal_lock = rbuf[1];
 434                                         if ((st->stream_on & 1) &&
 435                                                 (st->signal_lock & 0x10)) {
 436                                                 lme2510_stream_restart(d);
 437                                                 st->i2c_talk_onoff = 0;
 438                                         }
 439                                         msleep(80);
 440                                 }
 441                         }
 442                         break;
 443                 case TUNER_S7395:
 444                         if (wbuf[2] == 0xd0) {
 445                                 if (wbuf[3] == 0x24) {
 446                                         st->signal_lock = rbuf[1];
 447                                         if ((st->stream_on & 1) &&
 448                                                 (st->signal_lock & 0x8)) {
 449                                                 lme2510_stream_restart(d);
 450                                                 st->i2c_talk_onoff = 0;
 451                                         }
 452                                 }
 453                                 if ((wbuf[3] != 0x6) & (wbuf[3] != 0x5))
 454                                         msleep(5);
 455                         }
 456                         break;
 457                 case TUNER_S0194:
 458                         if (wbuf[2] == 0xd0) {
 459                                 if (wbuf[3] == 0x1b) {
 460                                         st->signal_lock = rbuf[1];
 461                                         if ((st->stream_on & 1) &&
 462                                                 (st->signal_lock & 0x8)) {
 463                                                 lme2510_stream_restart(d);
 464                                                 st->i2c_talk_onoff = 0;
 465                                         }
 466                                 }
 467                         }
 468                         break;
 469                 default:
 470                         break;
 471                 }
 472         } else {
 473                 switch (st->tuner_config) {
 474                 case TUNER_LG:
 475                         switch (wbuf[3]) {
 476                         case 0x0e:
 477                                 rbuf[0] = 0x55;
 478                                 rbuf[1] = st->signal_lock;
 479                                 break;
 480                         case 0x43:
 481                                 rbuf[0] = 0x55;
 482                                 rbuf[1] = st->signal_level;
 483                                 break;
 484                         case 0x1c:
 485                                 rbuf[0] = 0x55;
 486                                 rbuf[1] = st->signal_sn;
 487                                 break;
 488                         case 0x15:
 489                         case 0x16:
 490                         case 0x17:
 491                         case 0x18:
 492                                 rbuf[0] = 0x55;
 493                                 rbuf[1] = 0x00;
 494                                 break;
 495                         default:
 496                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 497                                 st->i2c_talk_onoff = 1;
 498                                 break;
 499                         }
 500                         break;
 501                 case TUNER_S7395:
 502                         switch (wbuf[3]) {
 503                         case 0x10:
 504                                 rbuf[0] = 0x55;
 505                                 rbuf[1] = (st->signal_level & 0x80)
 506                                                 ? 0 : (st->signal_level * 2);
 507                                 break;
 508                         case 0x2d:
 509                                 rbuf[0] = 0x55;
 510                                 rbuf[1] = st->signal_sn;
 511                                 break;
 512                         case 0x24:
 513                                 rbuf[0] = 0x55;
 514                                 rbuf[1] = st->signal_lock;
 515                                 break;
 516                         case 0x2e:
 517                         case 0x26:
 518                         case 0x27:
 519                                 rbuf[0] = 0x55;
 520                                 rbuf[1] = 0x00;
 521                                 break;
 522                         default:
 523                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 524                                 st->i2c_talk_onoff = 1;
 525                                 break;
 526                         }
 527                         break;
 528                 case TUNER_S0194:
 529                         switch (wbuf[3]) {
 530                         case 0x18:
 531                                 rbuf[0] = 0x55;
 532                                 rbuf[1] = (st->signal_level & 0x80)
 533                                                 ? 0 : (st->signal_level * 2);
 534                                 break;
 535                         case 0x24:
 536                                 rbuf[0] = 0x55;
 537                                 rbuf[1] = st->signal_sn;
 538                                 break;
 539                         case 0x1b:
 540                                 rbuf[0] = 0x55;
 541                                 rbuf[1] = st->signal_lock;
 542                                 break;
 543                         case 0x19:
 544                         case 0x25:
 545                         case 0x1e:
 546                         case 0x1d:
 547                                 rbuf[0] = 0x55;
 548                                 rbuf[1] = 0x00;
 549                                 break;
 550                         default:
 551                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 552                                 st->i2c_talk_onoff = 1;
 553                                 break;
 554                         }
 555                         break;
 556                 default:
 557                         break;
 558                 }
 559
 560                 deb_info(4, "I2C From Interrupt Message out(%02x) in(%02x)",
 561                                 wbuf[3], rbuf[1]);
 562
 563         }
 564
 565         mutex_unlock(&d->i2c_mutex);
 566
 567         return ret;
 568 }
 569
 570
 571 static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 572                                  int num)
 573 {
 574         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 575         struct lme2510_state *st = d->priv;
 576         static u8 obuf[64], ibuf[512];
 577         int i, read, read_o;
 578         u16 len;
 579         u8 gate = st->i2c_gate;
 580
 581         if (gate == 0)
 582                 gate = 5;
 583
 584         if (num > 2)
 585                 warn("more than 2 i2c messages"
 586                         "at a time is not handled yet.  TODO.");
 587
 588         for (i = 0; i < num; i++) {
 589                 read_o = 1 & (msg[i].flags & I2C_M_RD);
 590                 read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
 591                 read |= read_o;
 592                 gate = (msg[i].addr == st->i2c_tuner_addr)
 593                         ? (read)        ? st->i2c_tuner_gate_r
 594                                         : st->i2c_tuner_gate_w
 595                         : st->i2c_gate;
 596                 obuf[0] = gate | (read << 7);
 597
 598                 if (gate == 5)
 599                         obuf[1] = (read) ? 2 : msg[i].len + 1;
 600                 else
 601                         obuf[1] = msg[i].len + read + 1;
 602
 603                 obuf[2] = msg[i].addr;
 604                 if (read) {
 605                         if (read_o)
 606                                 len = 3;
 607                         else {
 608                                 memcpy(&obuf[3], msg[i].buf, msg[i].len);
 609                                 obuf[msg[i].len+3] = msg[i+1].len;
 610                                 len = msg[i].len+4;
 611                         }
 612                 } else {
 613                         memcpy(&obuf[3], msg[i].buf, msg[i].len);
 614                         len = msg[i].len+3;
 615                 }
 616
 617                 if (lme2510_msg(d, obuf, len, ibuf, 512) < 0) {
 618                         deb_info(1, "i2c transfer failed.");
 619                         return -EAGAIN;
 620                 }
 621
 622                 if (read) {
 623                         if (read_o)
 624                                 memcpy(msg[i].buf, &ibuf[1], msg[i].len);
 625                         else {
 626                                 memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len);
 627                                 i++;
 628                         }
 629                 }
 630         }
 631         return i;
 632 }
 633
 634 static u32 lme2510_i2c_func(struct i2c_adapter *adapter)
 635 {
 636         return I2C_FUNC_I2C;
 637 }
 638
 639 static struct i2c_algorithm lme2510_i2c_algo = {
 640         .master_xfer   = lme2510_i2c_xfer,
 641         .functionality = lme2510_i2c_func,
 642 };
 643
 644 /* Callbacks for DVB USB */
 645 static int lme2510_identify_state(struct usb_device *udev,
 646                 struct dvb_usb_device_properties *props,
 647                 struct dvb_usb_device_description **desc,
 648                 int *cold)
 649 {
 650         *cold = 0;
 651         return 0;
 652 }
 653
 654 static int lme2510_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 655 {
 656         struct lme2510_state *st = adap->dev->priv;
 657         static u8 clear_reg_3[] = LME_CLEAR_PID;
 658         static u8 rbuf[1];
 659         int ret = 0, rlen = sizeof(rbuf);
 660
 661         deb_info(1, "STM  (%02x)", onoff);
 662
 663         /* Streaming is started by FE_HAS_LOCK */
 664         if (onoff == 1)
 665                 st->stream_on = 1;
 666         else {
 667                 deb_info(1, "STM Steam Off");
 668                 /* mutex is here only to avoid collision with I2C */
 669                 if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
 670                         return -EAGAIN;
 671
 672                 ret = lme2510_usb_talk(adap->dev, clear_reg_3,
 673                                 sizeof(clear_reg_3), rbuf, rlen);
 674                 st->stream_on = 0;
 675                 st->i2c_talk_onoff = 1;
 676
 677                 mutex_unlock(&adap->dev->i2c_mutex);
 678         }
 679
 680         return (ret < 0) ? -ENODEV : 0;
 681 }
 682
 683 static int lme2510_int_service(struct dvb_usb_adapter *adap)
 684 {
 685         struct dvb_usb_device *d = adap->dev;
 686         struct rc_dev *rc;
 687         int ret;
 688
 689         info("STA Configuring Remote");
 690
 691         rc = rc_allocate_device();
 692         if (!rc)
 693                 return -ENOMEM;
 694
 695         usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys));
 696         strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys));
 697
 698         rc->input_name = "LME2510 Remote Control";
 699         rc->input_phys = d->rc_phys;
 700         rc->map_name = RC_MAP_LME2510;
 701         rc->driver_name = "LME 2510";
 702         usb_to_input_id(d->udev, &rc->input_id);
 703
 704         ret = rc_register_device(rc);
 705         if (ret) {
 706                 rc_free_device(rc);
 707                 return ret;
 708         }
 709         d->rc_dev = rc;
 710
 711         /* Start the Interrupt */
 712         ret = lme2510_int_read(adap);
 713         if (ret < 0) {
 714                 rc_unregister_device(rc);
 715                 info("INT Unable to start Interrupt Service");
 716                 return -ENODEV;
 717         }
 718
 719         return 0;
 720 }
 721
 722 static u8 check_sum(u8 *p, u8 len)
 723 {
 724         u8 sum = 0;
 725         while (len--)
 726                 sum += *p++;
 727         return sum;
 728 }
 729
 730 static int lme2510_download_firmware(struct usb_device *dev,
 731                                         const struct firmware *fw)
 732 {
 733         int ret = 0;
 734         u8 *data;
 735         u16 j, wlen, len_in, start, end;
 736         u8 packet_size, dlen, i;
 737         u8 *fw_data;
 738
 739         packet_size = 0x31;
 740         len_in = 1;
 741
 742         data = kzalloc(512, GFP_KERNEL);
 743         if (!data) {
 744                 info("FRM Could not start Firmware Download (Buffer allocation failed)");
 745                 return -ENOMEM;
 746         }
 747
 748         info("FRM Starting Firmware Download");
 749
 750         for (i = 1; i < 3; i++) {
 751                 start = (i == 1) ? 0 : 512;
 752                 end = (i == 1) ? 512 : fw->size;
 753                 for (j = start; j < end; j += (packet_size+1)) {
 754                         fw_data = (u8 *)(fw->data + j);
 755                         if ((end - j) > packet_size) {
 756                                 data[0] = i;
 757                                 dlen = packet_size;
 758                         } else {
 759                                 data[0] = i | 0x80;
 760                                 dlen = (u8)(end - j)-1;
 761                         }
 762                         data[1] = dlen;
 763                         memcpy(&data[2], fw_data, dlen+1);
 764                         wlen = (u8) dlen + 4;
 765                         data[wlen-1] = check_sum(fw_data, dlen+1);
 766                         deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3],
 767                                 data[dlen+2], data[dlen+3]);
 768                         ret |= lme2510_bulk_write(dev, data,  wlen, 1);
 769                         ret |= lme2510_bulk_read(dev, data, len_in , 1);
 770                         ret |= (data[0] == 0x88) ? 0 : -1;
 771                 }
 772         }
 773
 774         usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 775                         0x06, 0x80, 0x0200, 0x00, data, 0x0109, 1000);
 776
 777
 778         data[0] = 0x8a;
 779         len_in = 1;
 780         msleep(2000);
 781         ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Resetting*/
 782         ret |= lme2510_bulk_read(dev, data, len_in, 1);
 783         msleep(400);
 784
 785         if (ret < 0)
 786                 info("FRM Firmware Download Failed (%04x)" , ret);
 787         else
 788                 info("FRM Firmware Download Completed - Resetting Device");
 789
 790         kfree(data);
 791         return (ret < 0) ? -ENODEV : 0;
 792 }
 793
 794 static void lme_coldreset(struct usb_device *dev)
 795 {
 796         int ret = 0, len_in;
 797         u8 data[512] = {0};
 798
 799         data[0] = 0x0a;
 800         len_in = 1;
 801         info("FRM Firmware Cold Reset");
 802         ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Cold Resetting*/
 803         ret |= lme2510_bulk_read(dev, data, len_in, 1);
 804
 805         return;
 806 }
 807
 808 static int lme_firmware_switch(struct usb_device *udev, int cold)
 809 {
 810         const struct firmware *fw = NULL;
 811         const char fw_c_s7395[] = "dvb-usb-lme2510c-s7395.fw";
 812         const char fw_c_lg[] = "dvb-usb-lme2510c-lg.fw";
 813         const char fw_c_s0194[] = "dvb-usb-lme2510c-s0194.fw";
 814         const char fw_lg[] = "dvb-usb-lme2510-lg.fw";
 815         const char fw_s0194[] = "dvb-usb-lme2510-s0194.fw";
 816         const char *fw_lme;
 817         int ret, cold_fw;
 818
 819         cold = (cold > 0) ? (cold & 1) : 0;
 820
 821         cold_fw = !cold;
 822
 823         if (udev->descriptor.idProduct == 0x1122) {
 824                 switch (dvb_usb_lme2510_firmware) {
 825                 default:
 826                         dvb_usb_lme2510_firmware = TUNER_S0194;
 827                 case TUNER_S0194:
 828                         fw_lme = fw_s0194;
 829                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 830                         if (ret == 0) {
 831                                 cold = 0;
 832                                 break;
 833                         }
 834                         dvb_usb_lme2510_firmware = TUNER_LG;
 835                 case TUNER_LG:
 836                         fw_lme = fw_lg;
 837                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 838                         if (ret == 0)
 839                                 break;
 840                         info("FRM No Firmware Found - please install");
 841                         dvb_usb_lme2510_firmware = TUNER_DEFAULT;
 842                         cold = 0;
 843                         cold_fw = 0;
 844                         break;
 845                 }
 846         } else {
 847                 switch (dvb_usb_lme2510_firmware) {
 848                 default:
 849                         dvb_usb_lme2510_firmware = TUNER_S7395;
 850                 case TUNER_S7395:
 851                         fw_lme = fw_c_s7395;
 852                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 853                         if (ret == 0) {
 854                                 cold = 0;
 855                                 break;
 856                         }
 857                         dvb_usb_lme2510_firmware = TUNER_LG;
 858                 case TUNER_LG:
 859                         fw_lme = fw_c_lg;
 860                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 861                         if (ret == 0)
 862                                 break;
 863                         dvb_usb_lme2510_firmware = TUNER_S0194;
 864                 case TUNER_S0194:
 865                         fw_lme = fw_c_s0194;
 866                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 867                         if (ret == 0)
 868                                 break;
 869                         info("FRM No Firmware Found - please install");
 870                         dvb_usb_lme2510_firmware = TUNER_DEFAULT;
 871                         cold = 0;
 872                         cold_fw = 0;
 873                         break;
 874                 }
 875         }
 876
 877         if (cold_fw) {
 878                 info("FRM Loading %s file", fw_lme);
 879                 ret = lme2510_download_firmware(udev, fw);
 880         }
 881
 882         release_firmware(fw);
 883
 884         if (cold) {
 885                 info("FRM Changing to %s firmware", fw_lme);
 886                 lme_coldreset(udev);
 887                 return -ENODEV;
 888         }
 889
 890         return ret;
 891 }
 892
 893 static int lme2510_kill_urb(struct usb_data_stream *stream)
 894 {
 895         int i;
 896
 897         for (i = 0; i < stream->urbs_submitted; i++) {
 898                 deb_info(3, "killing URB no. %d.", i);
 899                 /* stop the URB */
 900                 usb_kill_urb(stream->urb_list[i]);
 901         }
 902         stream->urbs_submitted = 0;
 903
 904         return 0;
 905 }
 906
 907 static struct tda10086_config tda10086_config = {
 908         .demod_address = 0x1c,
 909         .invert = 0,
 910         .diseqc_tone = 1,
 911         .xtal_freq = TDA10086_XTAL_16M,
 912 };
 913
 914 static struct stv0288_config lme_config = {
 915         .demod_address = 0xd0,
 916         .min_delay_ms = 15,
 917         .inittab = s7395_inittab,
 918 };
 919
 920 static struct ix2505v_config lme_tuner = {
 921         .tuner_address = 0xc0,
 922         .min_delay_ms = 100,
 923         .tuner_gain = 0x0,
 924         .tuner_chargepump = 0x3,
 925 };
 926
 927 static struct stv0299_config sharp_z0194_config = {
 928         .demod_address = 0xd0,
 929         .inittab = sharp_z0194a_inittab,
 930         .mclk = 88000000UL,
 931         .invert = 0,
 932         .skip_reinit = 0,
 933         .lock_output = STV0299_LOCKOUTPUT_1,
 934         .volt13_op0_op1 = STV0299_VOLT13_OP1,
 935         .min_delay_ms = 100,
 936         .set_symbol_rate = sharp_z0194a_set_symbol_rate,
 937 };
 938
 939 static int dm04_lme2510_set_voltage(struct dvb_frontend *fe,
 940                                         fe_sec_voltage_t voltage)
 941 {
 942         struct dvb_usb_adapter *adap = fe->dvb->priv;
 943         static u8 voltage_low[] = LME_VOLTAGE_L;
 944         static u8 voltage_high[] = LME_VOLTAGE_H;
 945         static u8 rbuf[1];
 946         int ret = 0, len = 3, rlen = 1;
 947
 948         if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
 949                         return -EAGAIN;
 950
 951         switch (voltage) {
 952         case SEC_VOLTAGE_18:
 953                 ret |= lme2510_usb_talk(adap->dev,
 954                         voltage_high, len, rbuf, rlen);
 955                 break;
 956
 957         case SEC_VOLTAGE_OFF:
 958         case SEC_VOLTAGE_13:
 959         default:
 960                 ret |= lme2510_usb_talk(adap->dev,
 961                                 voltage_low, len, rbuf, rlen);
 962                 break;
 963         }
 964
 965         mutex_unlock(&adap->dev->i2c_mutex);
 966
 967         return (ret < 0) ? -ENODEV : 0;
 968 }
 969
 970 static int lme_name(struct dvb_usb_adapter *adap)
 971 {
 972         struct lme2510_state *st = adap->dev->priv;
 973         const char *desc = adap->dev->desc->name;
 974         char *fe_name[] = {"", " LG TDQY-P001F", " SHARP:BS2F7HZ7395",
 975                                 " SHARP:BS2F7HZ0194"};
 976         char *name = adap->fe->ops.info.name;
 977
 978         strlcpy(name, desc, 128);
 979         strlcat(name, fe_name[st->tuner_config], 128);
 980
 981         return 0;
 982 }
 983
 984 static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
 985 {
 986         struct lme2510_state *st = adap->dev->priv;
 987
 988         int ret = 0;
 989
 990         st->i2c_talk_onoff = 1;
 991
 992         st->i2c_gate = 4;
 993         adap->fe = dvb_attach(tda10086_attach, &tda10086_config,
 994                 &adap->dev->i2c_adap);
 995
 996         if (adap->fe) {
 997                 info("TUN Found Frontend TDA10086");
 998                 st->i2c_tuner_gate_w = 4;
 999                 st->i2c_tuner_gate_r = 4;
1000                 st->i2c_tuner_addr = 0xc0;
1001                 st->tuner_config = TUNER_LG;
1002                 if (dvb_usb_lme2510_firmware != TUNER_LG) {
1003                         dvb_usb_lme2510_firmware = TUNER_LG;
1004                         ret = lme_firmware_switch(adap->dev->udev, 1);
1005                 }
1006                 goto end;
1007         }
1008
1009         st->i2c_gate = 4;
1010         adap->fe = dvb_attach(stv0299_attach, &sharp_z0194_config,
1011                         &adap->dev->i2c_adap);
1012         if (adap->fe) {
1013                 info("FE Found Stv0299");
1014                 st->i2c_tuner_gate_w = 4;
1015                 st->i2c_tuner_gate_r = 5;
1016                 st->i2c_tuner_addr = 0xc0;
1017                 st->tuner_config = TUNER_S0194;
1018                 if (dvb_usb_lme2510_firmware != TUNER_S0194) {
1019                         dvb_usb_lme2510_firmware = TUNER_S0194;
1020                         ret = lme_firmware_switch(adap->dev->udev, 1);
1021                 }
1022                 goto end;
1023         }
1024
1025         st->i2c_gate = 5;
1026         adap->fe = dvb_attach(stv0288_attach, &lme_config,
1027                         &adap->dev->i2c_adap);
1028         if (adap->fe) {
1029                 info("FE Found Stv0288");
1030                 st->i2c_tuner_gate_w = 4;
1031                 st->i2c_tuner_gate_r = 5;
1032                 st->i2c_tuner_addr = 0xc0;
1033                 st->tuner_config = TUNER_S7395;
1034                 if (dvb_usb_lme2510_firmware != TUNER_S7395) {
1035                         dvb_usb_lme2510_firmware = TUNER_S7395;
1036                         ret = lme_firmware_switch(adap->dev->udev, 1);
1037                 }
1038         } else {
1039                 info("DM04 Not Supported");
1040                 return -ENODEV;
1041         }
1042
1043
1044 end:    if (ret) {
1045                 kfree(adap->fe);
1046                 adap->fe = NULL;
1047                 return -ENODEV;
1048         }
1049
1050         adap->fe->ops.set_voltage = dm04_lme2510_set_voltage;
1051         ret = lme_name(adap);
1052         return ret;
1053 }
1054
1055 static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap)
1056 {
1057         struct lme2510_state *st = adap->dev->priv;
1058         char *tun_msg[] = {"", "TDA8263", "IX2505V", "DVB_PLL_OPERA"};
1059         int ret = 0;
1060
1061         switch (st->tuner_config) {
1062         case TUNER_LG:
1063                 if (dvb_attach(tda826x_attach, adap->fe, 0xc0,
1064                         &adap->dev->i2c_adap, 1))
1065                         ret = st->tuner_config;
1066                 break;
1067         case TUNER_S7395:
1068                 if (dvb_attach(ix2505v_attach , adap->fe, &lme_tuner,
1069                         &adap->dev->i2c_adap))
1070                         ret = st->tuner_config;
1071                 break;
1072         case TUNER_S0194:
1073                 if (dvb_attach(dvb_pll_attach , adap->fe, 0xc0,
1074                         &adap->dev->i2c_adap, DVB_PLL_OPERA1))
1075                         ret = st->tuner_config;
1076                 break;
1077         default:
1078                 break;
1079         }
1080
1081         if (ret)
1082                 info("TUN Found %s tuner", tun_msg[ret]);
1083         else {
1084                 info("TUN No tuner found --- reseting device");
1085                 lme_coldreset(adap->dev->udev);
1086                 return -ENODEV;
1087         }
1088
1089         /* Start the Interrupt & Remote*/
1090         ret = lme2510_int_service(adap);
1091
1092         return ret;
1093 }
1094
1095 static int lme2510_powerup(struct dvb_usb_device *d, int onoff)
1096 {
1097         struct lme2510_state *st = d->priv;
1098         static u8 lnb_on[] = LNB_ON;
1099         static u8 lnb_off[] = LNB_OFF;
1100         static u8 rbuf[1];
1101         int ret, len = 3, rlen = 1;
1102
1103         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
1104                 return -EAGAIN;
1105
1106         if (onoff)
1107                 ret = lme2510_usb_talk(d, lnb_on, len, rbuf, rlen);
1108         else
1109                 ret = lme2510_usb_talk(d, lnb_off, len, rbuf, rlen);
1110
1111         st->i2c_talk_onoff = 1;
1112
1113         mutex_unlock(&d->i2c_mutex);
1114
1115         return ret;
1116 }
1117
1118 /* DVB USB Driver stuff */
1119 static struct dvb_usb_device_properties lme2510_properties;
1120 static struct dvb_usb_device_properties lme2510c_properties;
1121
1122 static int lme2510_probe(struct usb_interface *intf,
1123                 const struct usb_device_id *id)
1124 {
1125         struct usb_device *udev = interface_to_usbdev(intf);
1126         int ret = 0;
1127
1128         usb_reset_configuration(udev);
1129
1130         usb_set_interface(udev, intf->cur_altsetting->desc.bInterfaceNumber, 1);
1131
1132         if (udev->speed != USB_SPEED_HIGH) {
1133                 ret = usb_reset_device(udev);
1134                 info("DEV Failed to connect in HIGH SPEED mode");
1135                 return -ENODEV;
1136         }
1137
1138         if (lme2510_return_status(udev) == 0x44) {
1139                 lme_firmware_switch(udev, 0);
1140                 return -ENODEV;
1141         }
1142
1143         if (0 == dvb_usb_device_init(intf, &lme2510_properties,
1144                                      THIS_MODULE, NULL, adapter_nr)) {
1145                 info("DEV registering device driver");
1146                 return 0;
1147         }
1148         if (0 == dvb_usb_device_init(intf, &lme2510c_properties,
1149                                      THIS_MODULE, NULL, adapter_nr)) {
1150                 info("DEV registering device driver");
1151                 return 0;
1152         }
1153
1154         info("DEV lme2510 Error");
1155         return -ENODEV;
1156
1157 }
1158
1159 static struct usb_device_id lme2510_table[] = {
1160         { USB_DEVICE(0x3344, 0x1122) },  /* LME2510 */
1161         { USB_DEVICE(0x3344, 0x1120) },  /* LME2510C */
1162         {}              /* Terminating entry */
1163 };
1164
1165 MODULE_DEVICE_TABLE(usb, lme2510_table);
1166
1167 static struct dvb_usb_device_properties lme2510_properties = {
1168         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
1169         .size_of_priv = sizeof(struct lme2510_state),
1170         .num_adapters = 1,
1171         .adapter = {
1172                 {
1173                         .caps = DVB_USB_ADAP_HAS_PID_FILTER|
1174                                 DVB_USB_ADAP_NEED_PID_FILTERING|
1175                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1176                         .streaming_ctrl   = lme2510_streaming_ctrl,
1177                         .pid_filter_count = 15,
1178                         .pid_filter = lme2510_pid_filter,
1179                         .pid_filter_ctrl  = lme2510_pid_filter_ctrl,
1180                         .frontend_attach  = dm04_lme2510_frontend_attach,
1181                         .tuner_attach = dm04_lme2510_tuner,
1182                         /* parameter for the MPEG2-data transfer */
1183                         .stream = {
1184                                 .type = USB_BULK,
1185                                 .count = 10,
1186                                 .endpoint = 0x06,
1187                                 .u = {
1188                                         .bulk = {
1189                                                 .buffersize = 4096,
1190
1191                                         }
1192                                 }
1193                         }
1194                 }
1195         },
1196         .power_ctrl       = lme2510_powerup,
1197         .identify_state   = lme2510_identify_state,
1198         .i2c_algo         = &lme2510_i2c_algo,
1199         .generic_bulk_ctrl_endpoint = 0,
1200         .num_device_descs = 1,
1201         .devices = {
1202                 {   "DM04_LME2510_DVB-S",
1203                         { &lme2510_table[0], NULL },
1204                         },
1205
1206         }
1207 };
1208
1209 static struct dvb_usb_device_properties lme2510c_properties = {
1210         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
1211         .size_of_priv = sizeof(struct lme2510_state),
1212         .num_adapters = 1,
1213         .adapter = {
1214                 {
1215                         .caps = DVB_USB_ADAP_HAS_PID_FILTER|
1216                                 DVB_USB_ADAP_NEED_PID_FILTERING|
1217                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1218                         .streaming_ctrl   = lme2510_streaming_ctrl,
1219                         .pid_filter_count = 15,
1220                         .pid_filter = lme2510_pid_filter,
1221                         .pid_filter_ctrl  = lme2510_pid_filter_ctrl,
1222                         .frontend_attach  = dm04_lme2510_frontend_attach,
1223                         .tuner_attach = dm04_lme2510_tuner,
1224                         /* parameter for the MPEG2-data transfer */
1225                         .stream = {
1226                                 .type = USB_BULK,
1227                                 .count = 10,
1228                                 .endpoint = 0x8,
1229                                 .u = {
1230                                         .bulk = {
1231                                                 .buffersize = 4096,
1232
1233                                         }
1234                                 }
1235                         }
1236                 }
1237         },
1238         .power_ctrl       = lme2510_powerup,
1239         .identify_state   = lme2510_identify_state,
1240         .i2c_algo         = &lme2510_i2c_algo,
1241         .generic_bulk_ctrl_endpoint = 0,
1242         .num_device_descs = 1,
1243         .devices = {
1244                 {   "DM04_LME2510C_DVB-S",
1245                         { &lme2510_table[1], NULL },
1246                         },
1247         }
1248 };
1249
1250 static void *lme2510_exit_int(struct dvb_usb_device *d)
1251 {
1252         struct lme2510_state *st = d->priv;
1253         struct dvb_usb_adapter *adap = &d->adapter[0];
1254         void *buffer = NULL;
1255
1256         if (adap != NULL) {
1257                 lme2510_kill_urb(&adap->stream);
1258                 adap->feedcount = 0;
1259         }
1260
1261         if (st->lme_urb != NULL) {
1262                 st->i2c_talk_onoff = 1;
1263                 st->signal_lock = 0;
1264                 st->signal_level = 0;
1265                 st->signal_sn = 0;
1266                 buffer = st->usb_buffer;
1267                 usb_kill_urb(st->lme_urb);
1268                 usb_free_coherent(d->udev, 5000, st->buffer,
1269                                   st->lme_urb->transfer_dma);
1270                 info("Interrupt Service Stopped");
1271                 rc_unregister_device(d->rc_dev);
1272                 info("Remote Stopped");
1273         }
1274         return buffer;
1275 }
1276
1277 static void lme2510_exit(struct usb_interface *intf)
1278 {
1279         struct dvb_usb_device *d = usb_get_intfdata(intf);
1280         void *usb_buffer;
1281
1282         if (d != NULL) {
1283                 usb_buffer = lme2510_exit_int(d);
1284                 dvb_usb_device_exit(intf);
1285                 kfree(usb_buffer);
1286         }
1287 }
1288
1289 static struct usb_driver lme2510_driver = {
1290         .name           = "LME2510C_DVB-S",
1291         .probe          = lme2510_probe,
1292         .disconnect     = lme2510_exit,
1293         .id_table       = lme2510_table,
1294 };
1295
1296 /* module stuff */
1297 static int __init lme2510_module_init(void)
1298 {
1299         int result = usb_register(&lme2510_driver);
1300         if (result) {
1301                 err("usb_register failed. Error number %d", result);
1302                 return result;
1303         }
1304
1305         return 0;
1306 }
1307
1308 static void __exit lme2510_module_exit(void)
1309 {
1310         /* deregister this driver from the USB subsystem */
1311         usb_deregister(&lme2510_driver);
1312 }
1313
1314 module_init(lme2510_module_init);
1315 module_exit(lme2510_module_exit);
1316
1317 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
1318 MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0");
1319 MODULE_VERSION("1.85");
1320 MODULE_LICENSE("GPL");