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 static int lme2510_remote_keypress(struct dvb_usb_adapter *adap, u32 keypress)
 211 {
 212         struct dvb_usb_device *d = adap->dev;
 213
 214         deb_info(1, "INT Key Keypress =%04x", keypress);
 215
 216         if (keypress > 0)
 217                 rc_keydown(d->rc_dev, keypress, 0);
 218
 219         return 0;
 220 }
 221
 222 static int lme2510_enable_pid(struct dvb_usb_device *d, u8 index, u16 pid_out)
 223 {
 224         struct lme2510_state *st = d->priv;
 225         static u8 pid_buff[] = LME_ZERO_PID;
 226         static u8 rbuf[1];
 227         u8 pid_no = index * 2;
 228         u8 pid_len = pid_no + 2;
 229         int ret = 0;
 230         deb_info(1, "PID Setting Pid %04x", pid_out);
 231
 232         if (st->pid_size == 0)
 233                 ret |= lme2510_stream_restart(d);
 234
 235         pid_buff[2] = pid_no;
 236         pid_buff[3] = (u8)pid_out & 0xff;
 237         pid_buff[4] = pid_no + 1;
 238         pid_buff[5] = (u8)(pid_out >> 8);
 239
 240         if (pid_len > st->pid_size)
 241                 st->pid_size = pid_len;
 242         pid_buff[7] = 0x80 + st->pid_size;
 243
 244         ret |= lme2510_usb_talk(d, pid_buff ,
 245                 sizeof(pid_buff) , rbuf, sizeof(rbuf));
 246
 247         if (st->stream_on)
 248                 ret |= lme2510_stream_restart(d);
 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         struct lme2510_state *st = adap->dev->priv;
 366         static u8 clear_pid_reg[] = LME_CLEAR_PID;
 367         static u8 rbuf[1];
 368         int ret;
 369
 370         deb_info(1, "PID Clearing Filter");
 371
 372         ret = mutex_lock_interruptible(&adap->dev->i2c_mutex);
 373         if (ret < 0)
 374                 return -EAGAIN;
 375
 376         if (!onoff)
 377                 ret |= lme2510_usb_talk(adap->dev, clear_pid_reg,
 378                         sizeof(clear_pid_reg), rbuf, sizeof(rbuf));
 379
 380         st->pid_size = 0;
 381
 382         mutex_unlock(&adap->dev->i2c_mutex);
 383
 384         return 0;
 385 }
 386
 387 static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
 388         int onoff)
 389 {
 390         int ret = 0;
 391
 392         deb_info(3, "%s PID=%04x Index=%04x onoff=%02x", __func__,
 393                 pid, index, onoff);
 394
 395         if (onoff)
 396                 if (!pid_filter) {
 397                         ret = mutex_lock_interruptible(&adap->dev->i2c_mutex);
 398                         if (ret < 0)
 399                                 return -EAGAIN;
 400                         ret |= lme2510_enable_pid(adap->dev, index, pid);
 401                         mutex_unlock(&adap->dev->i2c_mutex);
 402         }
 403
 404
 405         return ret;
 406 }
 407
 408
 409 static int lme2510_return_status(struct usb_device *dev)
 410 {
 411         int ret = 0;
 412         u8 *data;
 413
 414         data = kzalloc(10, GFP_KERNEL);
 415         if (!data)
 416                 return -ENOMEM;
 417
 418         ret |= usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 419                         0x06, 0x80, 0x0302, 0x00, data, 0x0006, 200);
 420         info("Firmware Status: %x (%x)", ret , data[2]);
 421
 422         ret = (ret < 0) ? -ENODEV : data[2];
 423         kfree(data);
 424         return ret;
 425 }
 426
 427 static int lme2510_msg(struct dvb_usb_device *d,
 428                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
 429 {
 430         int ret = 0;
 431         struct lme2510_state *st = d->priv;
 432
 433         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 434                         return -EAGAIN;
 435
 436         if (st->i2c_talk_onoff == 1) {
 437
 438                 ret = lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 439
 440                 switch (st->tuner_config) {
 441                 case TUNER_LG:
 442                         if (wbuf[2] == 0x1c) {
 443                                 if (wbuf[3] == 0x0e) {
 444                                         st->signal_lock = rbuf[1];
 445                                         if ((st->stream_on & 1) &&
 446                                                 (st->signal_lock & 0x10)) {
 447                                                 lme2510_stream_restart(d);
 448                                                 st->i2c_talk_onoff = 0;
 449                                         }
 450                                         msleep(80);
 451                                 }
 452                         }
 453                         break;
 454                 case TUNER_S7395:
 455                         if (wbuf[2] == 0xd0) {
 456                                 if (wbuf[3] == 0x24) {
 457                                         st->signal_lock = rbuf[1];
 458                                         if ((st->stream_on & 1) &&
 459                                                 (st->signal_lock & 0x8)) {
 460                                                 lme2510_stream_restart(d);
 461                                                 st->i2c_talk_onoff = 0;
 462                                         }
 463                                 }
 464                                 if ((wbuf[3] != 0x6) & (wbuf[3] != 0x5))
 465                                         msleep(5);
 466                         }
 467                         break;
 468                 case TUNER_S0194:
 469                         if (wbuf[2] == 0xd0) {
 470                                 if (wbuf[3] == 0x1b) {
 471                                         st->signal_lock = rbuf[1];
 472                                         if ((st->stream_on & 1) &&
 473                                                 (st->signal_lock & 0x8)) {
 474                                                 lme2510_stream_restart(d);
 475                                                 st->i2c_talk_onoff = 0;
 476                                         }
 477                                 }
 478                         }
 479                         break;
 480                 default:
 481                         break;
 482                 }
 483         } else {
 484                 switch (st->tuner_config) {
 485                 case TUNER_LG:
 486                         switch (wbuf[3]) {
 487                         case 0x0e:
 488                                 rbuf[0] = 0x55;
 489                                 rbuf[1] = st->signal_lock;
 490                                 break;
 491                         case 0x43:
 492                                 rbuf[0] = 0x55;
 493                                 rbuf[1] = st->signal_level;
 494                                 break;
 495                         case 0x1c:
 496                                 rbuf[0] = 0x55;
 497                                 rbuf[1] = st->signal_sn;
 498                                 break;
 499                         case 0x15:
 500                         case 0x16:
 501                         case 0x17:
 502                         case 0x18:
 503                                 rbuf[0] = 0x55;
 504                                 rbuf[1] = 0x00;
 505                                 break;
 506                         default:
 507                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 508                                 st->i2c_talk_onoff = 1;
 509                                 break;
 510                         }
 511                         break;
 512                 case TUNER_S7395:
 513                         switch (wbuf[3]) {
 514                         case 0x10:
 515                                 rbuf[0] = 0x55;
 516                                 rbuf[1] = (st->signal_level & 0x80)
 517                                                 ? 0 : (st->signal_level * 2);
 518                                 break;
 519                         case 0x2d:
 520                                 rbuf[0] = 0x55;
 521                                 rbuf[1] = st->signal_sn;
 522                                 break;
 523                         case 0x24:
 524                                 rbuf[0] = 0x55;
 525                                 rbuf[1] = st->signal_lock;
 526                                 break;
 527                         case 0x2e:
 528                         case 0x26:
 529                         case 0x27:
 530                                 rbuf[0] = 0x55;
 531                                 rbuf[1] = 0x00;
 532                                 break;
 533                         default:
 534                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 535                                 st->i2c_talk_onoff = 1;
 536                                 break;
 537                         }
 538                         break;
 539                 case TUNER_S0194:
 540                         switch (wbuf[3]) {
 541                         case 0x18:
 542                                 rbuf[0] = 0x55;
 543                                 rbuf[1] = (st->signal_level & 0x80)
 544                                                 ? 0 : (st->signal_level * 2);
 545                                 break;
 546                         case 0x24:
 547                                 rbuf[0] = 0x55;
 548                                 rbuf[1] = st->signal_sn;
 549                                 break;
 550                         case 0x1b:
 551                                 rbuf[0] = 0x55;
 552                                 rbuf[1] = st->signal_lock;
 553                                 break;
 554                         case 0x19:
 555                         case 0x25:
 556                         case 0x1e:
 557                         case 0x1d:
 558                                 rbuf[0] = 0x55;
 559                                 rbuf[1] = 0x00;
 560                                 break;
 561                         default:
 562                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 563                                 st->i2c_talk_onoff = 1;
 564                                 break;
 565                         }
 566                         break;
 567                 default:
 568                         break;
 569                 }
 570
 571                 deb_info(4, "I2C From Interrupt Message out(%02x) in(%02x)",
 572                                 wbuf[3], rbuf[1]);
 573
 574         }
 575
 576         mutex_unlock(&d->i2c_mutex);
 577
 578         return ret;
 579 }
 580
 581
 582 static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 583                                  int num)
 584 {
 585         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 586         struct lme2510_state *st = d->priv;
 587         static u8 obuf[64], ibuf[512];
 588         int i, read, read_o;
 589         u16 len;
 590         u8 gate = st->i2c_gate;
 591
 592         if (gate == 0)
 593                 gate = 5;
 594
 595         if (num > 2)
 596                 warn("more than 2 i2c messages"
 597                         "at a time is not handled yet.  TODO.");
 598
 599         for (i = 0; i < num; i++) {
 600                 read_o = 1 & (msg[i].flags & I2C_M_RD);
 601                 read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
 602                 read |= read_o;
 603                 gate = (msg[i].addr == st->i2c_tuner_addr)
 604                         ? (read)        ? st->i2c_tuner_gate_r
 605                                         : st->i2c_tuner_gate_w
 606                         : st->i2c_gate;
 607                 obuf[0] = gate | (read << 7);
 608
 609                 if (gate == 5)
 610                         obuf[1] = (read) ? 2 : msg[i].len + 1;
 611                 else
 612                         obuf[1] = msg[i].len + read + 1;
 613
 614                 obuf[2] = msg[i].addr;
 615                 if (read) {
 616                         if (read_o)
 617                                 len = 3;
 618                         else {
 619                                 memcpy(&obuf[3], msg[i].buf, msg[i].len);
 620                                 obuf[msg[i].len+3] = msg[i+1].len;
 621                                 len = msg[i].len+4;
 622                         }
 623                 } else {
 624                         memcpy(&obuf[3], msg[i].buf, msg[i].len);
 625                         len = msg[i].len+3;
 626                 }
 627
 628                 if (lme2510_msg(d, obuf, len, ibuf, 512) < 0) {
 629                         deb_info(1, "i2c transfer failed.");
 630                         return -EAGAIN;
 631                 }
 632
 633                 if (read) {
 634                         if (read_o)
 635                                 memcpy(msg[i].buf, &ibuf[1], msg[i].len);
 636                         else {
 637                                 memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len);
 638                                 i++;
 639                         }
 640                 }
 641         }
 642         return i;
 643 }
 644
 645 static u32 lme2510_i2c_func(struct i2c_adapter *adapter)
 646 {
 647         return I2C_FUNC_I2C;
 648 }
 649
 650 static struct i2c_algorithm lme2510_i2c_algo = {
 651         .master_xfer   = lme2510_i2c_xfer,
 652         .functionality = lme2510_i2c_func,
 653 };
 654
 655 /* Callbacks for DVB USB */
 656 static int lme2510_identify_state(struct usb_device *udev,
 657                 struct dvb_usb_device_properties *props,
 658                 struct dvb_usb_device_description **desc,
 659                 int *cold)
 660 {
 661         *cold = 0;
 662         return 0;
 663 }
 664
 665 static int lme2510_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 666 {
 667         struct lme2510_state *st = adap->dev->priv;
 668         static u8 clear_reg_3[] = LME_CLEAR_PID;
 669         static u8 rbuf[1];
 670         int ret = 0, rlen = sizeof(rbuf);
 671
 672         deb_info(1, "STM  (%02x)", onoff);
 673
 674         /* Streaming is started by FE_HAS_LOCK */
 675         if (onoff == 1)
 676                 st->stream_on = 1;
 677         else {
 678                 deb_info(1, "STM Steam Off");
 679                 /* mutex is here only to avoid collision with I2C */
 680                 if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
 681                         return -EAGAIN;
 682
 683                 ret = lme2510_usb_talk(adap->dev, clear_reg_3,
 684                                 sizeof(clear_reg_3), rbuf, rlen);
 685                 st->stream_on = 0;
 686                 st->i2c_talk_onoff = 1;
 687
 688                 mutex_unlock(&adap->dev->i2c_mutex);
 689         }
 690
 691         return (ret < 0) ? -ENODEV : 0;
 692 }
 693
 694 static int lme2510_int_service(struct dvb_usb_adapter *adap)
 695 {
 696         struct dvb_usb_device *d = adap->dev;
 697         struct rc_dev *rc;
 698         int ret;
 699
 700         info("STA Configuring Remote");
 701
 702         rc = rc_allocate_device();
 703         if (!rc)
 704                 return -ENOMEM;
 705
 706         usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys));
 707         strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys));
 708
 709         rc->input_name = "LME2510 Remote Control";
 710         rc->input_phys = d->rc_phys;
 711         rc->map_name = RC_MAP_LME2510;
 712         rc->driver_name = "LME 2510";
 713         usb_to_input_id(d->udev, &rc->input_id);
 714
 715         ret = rc_register_device(rc);
 716         if (ret) {
 717                 rc_free_device(rc);
 718                 return ret;
 719         }
 720         d->rc_dev = rc;
 721
 722         /* Start the Interrupt */
 723         ret = lme2510_int_read(adap);
 724         if (ret < 0) {
 725                 rc_unregister_device(rc);
 726                 info("INT Unable to start Interrupt Service");
 727                 return -ENODEV;
 728         }
 729
 730         return 0;
 731 }
 732
 733 static u8 check_sum(u8 *p, u8 len)
 734 {
 735         u8 sum = 0;
 736         while (len--)
 737                 sum += *p++;
 738         return sum;
 739 }
 740
 741 static int lme2510_download_firmware(struct usb_device *dev,
 742                                         const struct firmware *fw)
 743 {
 744         int ret = 0;
 745         u8 *data;
 746         u16 j, wlen, len_in, start, end;
 747         u8 packet_size, dlen, i;
 748         u8 *fw_data;
 749
 750         packet_size = 0x31;
 751         len_in = 1;
 752
 753         data = kzalloc(512, GFP_KERNEL);
 754         if (!data) {
 755                 info("FRM Could not start Firmware Download (Buffer allocation failed)");
 756                 return -ENOMEM;
 757         }
 758
 759         info("FRM Starting Firmware Download");
 760
 761         for (i = 1; i < 3; i++) {
 762                 start = (i == 1) ? 0 : 512;
 763                 end = (i == 1) ? 512 : fw->size;
 764                 for (j = start; j < end; j += (packet_size+1)) {
 765                         fw_data = (u8 *)(fw->data + j);
 766                         if ((end - j) > packet_size) {
 767                                 data[0] = i;
 768                                 dlen = packet_size;
 769                         } else {
 770                                 data[0] = i | 0x80;
 771                                 dlen = (u8)(end - j)-1;
 772                         }
 773                         data[1] = dlen;
 774                         memcpy(&data[2], fw_data, dlen+1);
 775                         wlen = (u8) dlen + 4;
 776                         data[wlen-1] = check_sum(fw_data, dlen+1);
 777                         deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3],
 778                                 data[dlen+2], data[dlen+3]);
 779                         ret |= lme2510_bulk_write(dev, data,  wlen, 1);
 780                         ret |= lme2510_bulk_read(dev, data, len_in , 1);
 781                         ret |= (data[0] == 0x88) ? 0 : -1;
 782                 }
 783         }
 784
 785         usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 786                         0x06, 0x80, 0x0200, 0x00, data, 0x0109, 1000);
 787
 788
 789         data[0] = 0x8a;
 790         len_in = 1;
 791         msleep(2000);
 792         ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Resetting*/
 793         ret |= lme2510_bulk_read(dev, data, len_in, 1);
 794         msleep(400);
 795
 796         if (ret < 0)
 797                 info("FRM Firmware Download Failed (%04x)" , ret);
 798         else
 799                 info("FRM Firmware Download Completed - Resetting Device");
 800
 801         kfree(data);
 802         return (ret < 0) ? -ENODEV : 0;
 803 }
 804
 805 static void lme_coldreset(struct usb_device *dev)
 806 {
 807         int ret = 0, len_in;
 808         u8 data[512] = {0};
 809
 810         data[0] = 0x0a;
 811         len_in = 1;
 812         info("FRM Firmware Cold Reset");
 813         ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Cold Resetting*/
 814         ret |= lme2510_bulk_read(dev, data, len_in, 1);
 815
 816         return;
 817 }
 818
 819 static int lme_firmware_switch(struct usb_device *udev, int cold)
 820 {
 821         const struct firmware *fw = NULL;
 822         const char fw_c_s7395[] = "dvb-usb-lme2510c-s7395.fw";
 823         const char fw_c_lg[] = "dvb-usb-lme2510c-lg.fw";
 824         const char fw_c_s0194[] = "dvb-usb-lme2510c-s0194.fw";
 825         const char fw_lg[] = "dvb-usb-lme2510-lg.fw";
 826         const char fw_s0194[] = "dvb-usb-lme2510-s0194.fw";
 827         const char *fw_lme;
 828         int ret, cold_fw;
 829
 830         cold = (cold > 0) ? (cold & 1) : 0;
 831
 832         cold_fw = !cold;
 833
 834         if (udev->descriptor.idProduct == 0x1122) {
 835                 switch (dvb_usb_lme2510_firmware) {
 836                 default:
 837                         dvb_usb_lme2510_firmware = TUNER_S0194;
 838                 case TUNER_S0194:
 839                         fw_lme = fw_s0194;
 840                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 841                         if (ret == 0) {
 842                                 cold = 0;
 843                                 break;
 844                         }
 845                         dvb_usb_lme2510_firmware = TUNER_LG;
 846                 case TUNER_LG:
 847                         fw_lme = fw_lg;
 848                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 849                         if (ret == 0)
 850                                 break;
 851                         info("FRM No Firmware Found - please install");
 852                         dvb_usb_lme2510_firmware = TUNER_DEFAULT;
 853                         cold = 0;
 854                         cold_fw = 0;
 855                         break;
 856                 }
 857         } else {
 858                 switch (dvb_usb_lme2510_firmware) {
 859                 default:
 860                         dvb_usb_lme2510_firmware = TUNER_S7395;
 861                 case TUNER_S7395:
 862                         fw_lme = fw_c_s7395;
 863                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 864                         if (ret == 0) {
 865                                 cold = 0;
 866                                 break;
 867                         }
 868                         dvb_usb_lme2510_firmware = TUNER_LG;
 869                 case TUNER_LG:
 870                         fw_lme = fw_c_lg;
 871                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 872                         if (ret == 0)
 873                                 break;
 874                         dvb_usb_lme2510_firmware = TUNER_S0194;
 875                 case TUNER_S0194:
 876                         fw_lme = fw_c_s0194;
 877                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 878                         if (ret == 0)
 879                                 break;
 880                         info("FRM No Firmware Found - please install");
 881                         dvb_usb_lme2510_firmware = TUNER_DEFAULT;
 882                         cold = 0;
 883                         cold_fw = 0;
 884                         break;
 885                 }
 886         }
 887
 888         if (cold_fw) {
 889                 info("FRM Loading %s file", fw_lme);
 890                 ret = lme2510_download_firmware(udev, fw);
 891         }
 892
 893         release_firmware(fw);
 894
 895         if (cold) {
 896                 info("FRM Changing to %s firmware", fw_lme);
 897                 lme_coldreset(udev);
 898                 return -ENODEV;
 899         }
 900
 901         return ret;
 902 }
 903
 904 static int lme2510_kill_urb(struct usb_data_stream *stream)
 905 {
 906         int i;
 907
 908         for (i = 0; i < stream->urbs_submitted; i++) {
 909                 deb_info(3, "killing URB no. %d.", i);
 910                 /* stop the URB */
 911                 usb_kill_urb(stream->urb_list[i]);
 912         }
 913         stream->urbs_submitted = 0;
 914
 915         return 0;
 916 }
 917
 918 static struct tda10086_config tda10086_config = {
 919         .demod_address = 0x1c,
 920         .invert = 0,
 921         .diseqc_tone = 1,
 922         .xtal_freq = TDA10086_XTAL_16M,
 923 };
 924
 925 static struct stv0288_config lme_config = {
 926         .demod_address = 0xd0,
 927         .min_delay_ms = 15,
 928         .inittab = s7395_inittab,
 929 };
 930
 931 static struct ix2505v_config lme_tuner = {
 932         .tuner_address = 0xc0,
 933         .min_delay_ms = 100,
 934         .tuner_gain = 0x0,
 935         .tuner_chargepump = 0x3,
 936 };
 937
 938 static struct stv0299_config sharp_z0194_config = {
 939         .demod_address = 0xd0,
 940         .inittab = sharp_z0194a_inittab,
 941         .mclk = 88000000UL,
 942         .invert = 0,
 943         .skip_reinit = 0,
 944         .lock_output = STV0299_LOCKOUTPUT_1,
 945         .volt13_op0_op1 = STV0299_VOLT13_OP1,
 946         .min_delay_ms = 100,
 947         .set_symbol_rate = sharp_z0194a_set_symbol_rate,
 948 };
 949
 950 static int dm04_lme2510_set_voltage(struct dvb_frontend *fe,
 951                                         fe_sec_voltage_t voltage)
 952 {
 953         struct dvb_usb_adapter *adap = fe->dvb->priv;
 954         static u8 voltage_low[] = LME_VOLTAGE_L;
 955         static u8 voltage_high[] = LME_VOLTAGE_H;
 956         static u8 rbuf[1];
 957         int ret = 0, len = 3, rlen = 1;
 958
 959         if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
 960                         return -EAGAIN;
 961
 962         switch (voltage) {
 963         case SEC_VOLTAGE_18:
 964                 ret |= lme2510_usb_talk(adap->dev,
 965                         voltage_high, len, rbuf, rlen);
 966                 break;
 967
 968         case SEC_VOLTAGE_OFF:
 969         case SEC_VOLTAGE_13:
 970         default:
 971                 ret |= lme2510_usb_talk(adap->dev,
 972                                 voltage_low, len, rbuf, rlen);
 973                 break;
 974         }
 975
 976         mutex_unlock(&adap->dev->i2c_mutex);
 977
 978         return (ret < 0) ? -ENODEV : 0;
 979 }
 980
 981 static int lme_name(struct dvb_usb_adapter *adap)
 982 {
 983         struct lme2510_state *st = adap->dev->priv;
 984         const char *desc = adap->dev->desc->name;
 985         char *fe_name[] = {"", " LG TDQY-P001F", " SHARP:BS2F7HZ7395",
 986                                 " SHARP:BS2F7HZ0194"};
 987         char *name = adap->fe->ops.info.name;
 988
 989         strlcpy(name, desc, 128);
 990         strlcat(name, fe_name[st->tuner_config], 128);
 991
 992         return 0;
 993 }
 994
 995 static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
 996 {
 997         struct lme2510_state *st = adap->dev->priv;
 998
 999         int ret = 0;
1000
1001         st->i2c_talk_onoff = 1;
1002
1003         st->i2c_gate = 4;
1004         adap->fe = dvb_attach(tda10086_attach, &tda10086_config,
1005                 &adap->dev->i2c_adap);
1006
1007         if (adap->fe) {
1008                 info("TUN Found Frontend TDA10086");
1009                 st->i2c_tuner_gate_w = 4;
1010                 st->i2c_tuner_gate_r = 4;
1011                 st->i2c_tuner_addr = 0xc0;
1012                 st->tuner_config = TUNER_LG;
1013                 if (dvb_usb_lme2510_firmware != TUNER_LG) {
1014                         dvb_usb_lme2510_firmware = TUNER_LG;
1015                         ret = lme_firmware_switch(adap->dev->udev, 1);
1016                 }
1017                 goto end;
1018         }
1019
1020         st->i2c_gate = 4;
1021         adap->fe = dvb_attach(stv0299_attach, &sharp_z0194_config,
1022                         &adap->dev->i2c_adap);
1023         if (adap->fe) {
1024                 info("FE Found Stv0299");
1025                 st->i2c_tuner_gate_w = 4;
1026                 st->i2c_tuner_gate_r = 5;
1027                 st->i2c_tuner_addr = 0xc0;
1028                 st->tuner_config = TUNER_S0194;
1029                 if (dvb_usb_lme2510_firmware != TUNER_S0194) {
1030                         dvb_usb_lme2510_firmware = TUNER_S0194;
1031                         ret = lme_firmware_switch(adap->dev->udev, 1);
1032                 }
1033                 goto end;
1034         }
1035
1036         st->i2c_gate = 5;
1037         adap->fe = dvb_attach(stv0288_attach, &lme_config,
1038                         &adap->dev->i2c_adap);
1039         if (adap->fe) {
1040                 info("FE Found Stv0288");
1041                 st->i2c_tuner_gate_w = 4;
1042                 st->i2c_tuner_gate_r = 5;
1043                 st->i2c_tuner_addr = 0xc0;
1044                 st->tuner_config = TUNER_S7395;
1045                 if (dvb_usb_lme2510_firmware != TUNER_S7395) {
1046                         dvb_usb_lme2510_firmware = TUNER_S7395;
1047                         ret = lme_firmware_switch(adap->dev->udev, 1);
1048                 }
1049         } else {
1050                 info("DM04 Not Supported");
1051                 return -ENODEV;
1052         }
1053
1054
1055 end:    if (ret) {
1056                 kfree(adap->fe);
1057                 adap->fe = NULL;
1058                 return -ENODEV;
1059         }
1060
1061         adap->fe->ops.set_voltage = dm04_lme2510_set_voltage;
1062         ret = lme_name(adap);
1063         return ret;
1064 }
1065
1066 static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap)
1067 {
1068         struct lme2510_state *st = adap->dev->priv;
1069         char *tun_msg[] = {"", "TDA8263", "IX2505V", "DVB_PLL_OPERA"};
1070         int ret = 0;
1071
1072         switch (st->tuner_config) {
1073         case TUNER_LG:
1074                 if (dvb_attach(tda826x_attach, adap->fe, 0xc0,
1075                         &adap->dev->i2c_adap, 1))
1076                         ret = st->tuner_config;
1077                 break;
1078         case TUNER_S7395:
1079                 if (dvb_attach(ix2505v_attach , adap->fe, &lme_tuner,
1080                         &adap->dev->i2c_adap))
1081                         ret = st->tuner_config;
1082                 break;
1083         case TUNER_S0194:
1084                 if (dvb_attach(dvb_pll_attach , adap->fe, 0xc0,
1085                         &adap->dev->i2c_adap, DVB_PLL_OPERA1))
1086                         ret = st->tuner_config;
1087                 break;
1088         default:
1089                 break;
1090         }
1091
1092         if (ret)
1093                 info("TUN Found %s tuner", tun_msg[ret]);
1094         else {
1095                 info("TUN No tuner found --- reseting device");
1096                 lme_coldreset(adap->dev->udev);
1097                 return -ENODEV;
1098         }
1099
1100         /* Start the Interrupt & Remote*/
1101         ret = lme2510_int_service(adap);
1102
1103         return ret;
1104 }
1105
1106 static int lme2510_powerup(struct dvb_usb_device *d, int onoff)
1107 {
1108         struct lme2510_state *st = d->priv;
1109         static u8 lnb_on[] = LNB_ON;
1110         static u8 lnb_off[] = LNB_OFF;
1111         static u8 rbuf[1];
1112         int ret, len = 3, rlen = 1;
1113
1114         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
1115                 return -EAGAIN;
1116
1117         if (onoff)
1118                 ret = lme2510_usb_talk(d, lnb_on, len, rbuf, rlen);
1119         else
1120                 ret = lme2510_usb_talk(d, lnb_off, len, rbuf, rlen);
1121
1122         st->i2c_talk_onoff = 1;
1123
1124         mutex_unlock(&d->i2c_mutex);
1125
1126         return ret;
1127 }
1128
1129 /* DVB USB Driver stuff */
1130 static struct dvb_usb_device_properties lme2510_properties;
1131 static struct dvb_usb_device_properties lme2510c_properties;
1132
1133 static int lme2510_probe(struct usb_interface *intf,
1134                 const struct usb_device_id *id)
1135 {
1136         struct usb_device *udev = interface_to_usbdev(intf);
1137         int ret = 0;
1138
1139         usb_reset_configuration(udev);
1140
1141         usb_set_interface(udev, intf->cur_altsetting->desc.bInterfaceNumber, 1);
1142
1143         if (udev->speed != USB_SPEED_HIGH) {
1144                 ret = usb_reset_device(udev);
1145                 info("DEV Failed to connect in HIGH SPEED mode");
1146                 return -ENODEV;
1147         }
1148
1149         if (lme2510_return_status(udev) == 0x44) {
1150                 lme_firmware_switch(udev, 0);
1151                 return -ENODEV;
1152         }
1153
1154         if (0 == dvb_usb_device_init(intf, &lme2510_properties,
1155                                      THIS_MODULE, NULL, adapter_nr)) {
1156                 info("DEV registering device driver");
1157                 return 0;
1158         }
1159         if (0 == dvb_usb_device_init(intf, &lme2510c_properties,
1160                                      THIS_MODULE, NULL, adapter_nr)) {
1161                 info("DEV registering device driver");
1162                 return 0;
1163         }
1164
1165         info("DEV lme2510 Error");
1166         return -ENODEV;
1167
1168 }
1169
1170 static struct usb_device_id lme2510_table[] = {
1171         { USB_DEVICE(0x3344, 0x1122) },  /* LME2510 */
1172         { USB_DEVICE(0x3344, 0x1120) },  /* LME2510C */
1173         {}              /* Terminating entry */
1174 };
1175
1176 MODULE_DEVICE_TABLE(usb, lme2510_table);
1177
1178 static struct dvb_usb_device_properties lme2510_properties = {
1179         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
1180         .size_of_priv = sizeof(struct lme2510_state),
1181         .num_adapters = 1,
1182         .adapter = {
1183                 {
1184                         .caps = DVB_USB_ADAP_HAS_PID_FILTER|
1185                                 DVB_USB_ADAP_NEED_PID_FILTERING|
1186                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1187                         .streaming_ctrl   = lme2510_streaming_ctrl,
1188                         .pid_filter_count = 15,
1189                         .pid_filter = lme2510_pid_filter,
1190                         .pid_filter_ctrl  = lme2510_pid_filter_ctrl,
1191                         .frontend_attach  = dm04_lme2510_frontend_attach,
1192                         .tuner_attach = dm04_lme2510_tuner,
1193                         /* parameter for the MPEG2-data transfer */
1194                         .stream = {
1195                                 .type = USB_BULK,
1196                                 .count = 10,
1197                                 .endpoint = 0x06,
1198                                 .u = {
1199                                         .bulk = {
1200                                                 .buffersize = 4096,
1201
1202                                         }
1203                                 }
1204                         }
1205                 }
1206         },
1207         .power_ctrl       = lme2510_powerup,
1208         .identify_state   = lme2510_identify_state,
1209         .i2c_algo         = &lme2510_i2c_algo,
1210         .generic_bulk_ctrl_endpoint = 0,
1211         .num_device_descs = 1,
1212         .devices = {
1213                 {   "DM04_LME2510_DVB-S",
1214                         { &lme2510_table[0], NULL },
1215                         },
1216
1217         }
1218 };
1219
1220 static struct dvb_usb_device_properties lme2510c_properties = {
1221         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
1222         .size_of_priv = sizeof(struct lme2510_state),
1223         .num_adapters = 1,
1224         .adapter = {
1225                 {
1226                         .caps = DVB_USB_ADAP_HAS_PID_FILTER|
1227                                 DVB_USB_ADAP_NEED_PID_FILTERING|
1228                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1229                         .streaming_ctrl   = lme2510_streaming_ctrl,
1230                         .pid_filter_count = 15,
1231                         .pid_filter = lme2510_pid_filter,
1232                         .pid_filter_ctrl  = lme2510_pid_filter_ctrl,
1233                         .frontend_attach  = dm04_lme2510_frontend_attach,
1234                         .tuner_attach = dm04_lme2510_tuner,
1235                         /* parameter for the MPEG2-data transfer */
1236                         .stream = {
1237                                 .type = USB_BULK,
1238                                 .count = 10,
1239                                 .endpoint = 0x8,
1240                                 .u = {
1241                                         .bulk = {
1242                                                 .buffersize = 4096,
1243
1244                                         }
1245                                 }
1246                         }
1247                 }
1248         },
1249         .power_ctrl       = lme2510_powerup,
1250         .identify_state   = lme2510_identify_state,
1251         .i2c_algo         = &lme2510_i2c_algo,
1252         .generic_bulk_ctrl_endpoint = 0,
1253         .num_device_descs = 1,
1254         .devices = {
1255                 {   "DM04_LME2510C_DVB-S",
1256                         { &lme2510_table[1], NULL },
1257                         },
1258         }
1259 };
1260
1261 static void *lme2510_exit_int(struct dvb_usb_device *d)
1262 {
1263         struct lme2510_state *st = d->priv;
1264         struct dvb_usb_adapter *adap = &d->adapter[0];
1265         void *buffer = NULL;
1266
1267         if (adap != NULL) {
1268                 lme2510_kill_urb(&adap->stream);
1269                 adap->feedcount = 0;
1270         }
1271
1272         if (st->lme_urb != NULL) {
1273                 st->i2c_talk_onoff = 1;
1274                 st->signal_lock = 0;
1275                 st->signal_level = 0;
1276                 st->signal_sn = 0;
1277                 buffer = st->usb_buffer;
1278                 usb_kill_urb(st->lme_urb);
1279                 usb_free_coherent(d->udev, 5000, st->buffer,
1280                                   st->lme_urb->transfer_dma);
1281                 info("Interrupt Service Stopped");
1282                 rc_unregister_device(d->rc_dev);
1283                 info("Remote Stopped");
1284         }
1285         return buffer;
1286 }
1287
1288 static void lme2510_exit(struct usb_interface *intf)
1289 {
1290         struct dvb_usb_device *d = usb_get_intfdata(intf);
1291         void *usb_buffer;
1292
1293         if (d != NULL) {
1294                 usb_buffer = lme2510_exit_int(d);
1295                 dvb_usb_device_exit(intf);
1296                 kfree(usb_buffer);
1297         }
1298 }
1299
1300 static struct usb_driver lme2510_driver = {
1301         .name           = "LME2510C_DVB-S",
1302         .probe          = lme2510_probe,
1303         .disconnect     = lme2510_exit,
1304         .id_table       = lme2510_table,
1305 };
1306
1307 /* module stuff */
1308 static int __init lme2510_module_init(void)
1309 {
1310         int result = usb_register(&lme2510_driver);
1311         if (result) {
1312                 err("usb_register failed. Error number %d", result);
1313                 return result;
1314         }
1315
1316         return 0;
1317 }
1318
1319 static void __exit lme2510_module_exit(void)
1320 {
1321         /* deregister this driver from the USB subsystem */
1322         usb_deregister(&lme2510_driver);
1323 }
1324
1325 module_init(lme2510_module_init);
1326 module_exit(lme2510_module_exit);
1327
1328 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
1329 MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0");
1330 MODULE_VERSION("1.86");
1331 MODULE_LICENSE("GPL");