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(64, 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 64 */
 179         memcpy(buff, wbuf, (wlen < 64) ? wlen : 64);
 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 < 64) ?
 190                         rlen : 64 , 0x01);
 191
 192         if (rlen > 0)
 193                 memcpy(rbuf, buff, rlen);
 194
 195         mutex_unlock(&d->usb_mutex);
 196
 197         return (ret < 0) ? -ENODEV : 0;
 198 }
 199
 200 static int lme2510_stream_restart(struct dvb_usb_device *d)
 201 {
 202         static u8 stream_on[] = LME_ST_ON_W;
 203         int ret;
 204         u8 rbuff[10];
 205         /*Restart Stream Command*/
 206         ret = lme2510_usb_talk(d, stream_on, sizeof(stream_on),
 207                         rbuff, sizeof(rbuff));
 208         return ret;
 209 }
 210
 211 static int lme2510_enable_pid(struct dvb_usb_device *d, u8 index, u16 pid_out)
 212 {
 213         struct lme2510_state *st = d->priv;
 214         static u8 pid_buff[] = LME_ZERO_PID;
 215         static u8 rbuf[1];
 216         u8 pid_no = index * 2;
 217         u8 pid_len = pid_no + 2;
 218         int ret = 0;
 219         deb_info(1, "PID Setting Pid %04x", pid_out);
 220
 221         if (st->pid_size == 0)
 222                 ret |= lme2510_stream_restart(d);
 223
 224         pid_buff[2] = pid_no;
 225         pid_buff[3] = (u8)pid_out & 0xff;
 226         pid_buff[4] = pid_no + 1;
 227         pid_buff[5] = (u8)(pid_out >> 8);
 228
 229         if (pid_len > st->pid_size)
 230                 st->pid_size = pid_len;
 231         pid_buff[7] = 0x80 + st->pid_size;
 232
 233         ret |= lme2510_usb_talk(d, pid_buff ,
 234                 sizeof(pid_buff) , rbuf, sizeof(rbuf));
 235
 236         if (st->stream_on)
 237                 ret |= lme2510_stream_restart(d);
 238
 239         return ret;
 240 }
 241
 242 static void lme2510_int_response(struct urb *lme_urb)
 243 {
 244         struct dvb_usb_adapter *adap = lme_urb->context;
 245         struct lme2510_state *st = adap->dev->priv;
 246         static u8 *ibuf, *rbuf;
 247         int i = 0, offset;
 248         u32 key;
 249
 250         switch (lme_urb->status) {
 251         case 0:
 252         case -ETIMEDOUT:
 253                 break;
 254         case -ECONNRESET:
 255         case -ENOENT:
 256         case -ESHUTDOWN:
 257                 return;
 258         default:
 259                 info("Error %x", lme_urb->status);
 260                 break;
 261         }
 262
 263         rbuf = (u8 *) lme_urb->transfer_buffer;
 264
 265         offset = ((lme_urb->actual_length/8) > 4)
 266                         ? 4 : (lme_urb->actual_length/8) ;
 267
 268         for (i = 0; i < offset; ++i) {
 269                 ibuf = (u8 *)&rbuf[i*8];
 270                 deb_info(5, "INT O/S C =%02x C/O=%02x Type =%02x%02x",
 271                 offset, i, ibuf[0], ibuf[1]);
 272
 273                 switch (ibuf[0]) {
 274                 case 0xaa:
 275                         debug_data_snipet(1, "INT Remote data snipet", ibuf);
 276                         if ((ibuf[4] + ibuf[5]) == 0xff) {
 277                                 key = ibuf[5];
 278                                 key += (ibuf[3] > 0)
 279                                         ? (ibuf[3] ^ 0xff) << 8 : 0;
 280                                 key += (ibuf[2] ^ 0xff) << 16;
 281                                 deb_info(1, "INT Key =%08x", key);
 282                                 if (adap->dev->rc_dev != NULL)
 283                                         rc_keydown(adap->dev->rc_dev, key, 0);
 284                         }
 285                         break;
 286                 case 0xbb:
 287                         switch (st->tuner_config) {
 288                         case TUNER_LG:
 289                                 if (ibuf[2] > 0)
 290                                         st->signal_lock = ibuf[2];
 291                                 st->signal_level = ibuf[4];
 292                                 st->signal_sn = ibuf[3];
 293                                 st->time_key = ibuf[7];
 294                                 break;
 295                         case TUNER_S7395:
 296                         case TUNER_S0194:
 297                                 /* Tweak for earlier firmware*/
 298                                 if (ibuf[1] == 0x03) {
 299                                         if (ibuf[2] > 1)
 300                                                 st->signal_lock = ibuf[2];
 301                                         st->signal_level = ibuf[3];
 302                                         st->signal_sn = ibuf[4];
 303                                 } else {
 304                                         st->signal_level = ibuf[4];
 305                                         st->signal_sn = ibuf[5];
 306                                         st->signal_lock =
 307                                                 (st->signal_lock & 0xf7) +
 308                                                 ((ibuf[2] & 0x01) << 0x03);
 309                                 }
 310                                 break;
 311                         default:
 312                                 break;
 313                         }
 314                         debug_data_snipet(5, "INT Remote data snipet in", ibuf);
 315                 break;
 316                 case 0xcc:
 317                         debug_data_snipet(1, "INT Control data snipet", ibuf);
 318                         break;
 319                 default:
 320                         debug_data_snipet(1, "INT Unknown data snipet", ibuf);
 321                 break;
 322                 }
 323         }
 324         usb_submit_urb(lme_urb, GFP_ATOMIC);
 325 }
 326
 327 static int lme2510_int_read(struct dvb_usb_adapter *adap)
 328 {
 329         struct dvb_usb_device *d = adap->dev;
 330         struct lme2510_state *lme_int = adap->dev->priv;
 331         struct usb_host_endpoint *ep;
 332
 333         lme_int->lme_urb = usb_alloc_urb(0, GFP_ATOMIC);
 334
 335         if (lme_int->lme_urb == NULL)
 336                         return -ENOMEM;
 337
 338         lme_int->buffer = usb_alloc_coherent(adap->dev->udev, 128, GFP_ATOMIC,
 339                                         &lme_int->lme_urb->transfer_dma);
 340
 341         if (lme_int->buffer == NULL)
 342                         return -ENOMEM;
 343
 344         usb_fill_int_urb(lme_int->lme_urb,
 345                                 adap->dev->udev,
 346                                 usb_rcvintpipe(adap->dev->udev, 0xa),
 347                                 lme_int->buffer,
 348                                 128,
 349                                 lme2510_int_response,
 350                                 adap,
 351                                 8);
 352
 353         /* Quirk of pipe reporting PIPE_BULK but behaves as interrupt */
 354         ep = usb_pipe_endpoint(d->udev, lme_int->lme_urb->pipe);
 355
 356         if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK)
 357                 lme_int->lme_urb->pipe = usb_rcvbulkpipe(d->udev, 0xa),
 358
 359         lme_int->lme_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 360
 361         usb_submit_urb(lme_int->lme_urb, GFP_ATOMIC);
 362         info("INT Interrupt Service Started");
 363
 364         return 0;
 365 }
 366
 367 static int lme2510_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
 368 {
 369         struct lme2510_state *st = adap->dev->priv;
 370         static u8 clear_pid_reg[] = LME_CLEAR_PID;
 371         static u8 rbuf[1];
 372         int ret;
 373
 374         deb_info(1, "PID Clearing Filter");
 375
 376         ret = mutex_lock_interruptible(&adap->dev->i2c_mutex);
 377         if (ret < 0)
 378                 return -EAGAIN;
 379
 380         if (!onoff)
 381                 ret |= lme2510_usb_talk(adap->dev, clear_pid_reg,
 382                         sizeof(clear_pid_reg), rbuf, sizeof(rbuf));
 383
 384         st->pid_size = 0;
 385
 386         mutex_unlock(&adap->dev->i2c_mutex);
 387
 388         return 0;
 389 }
 390
 391 static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
 392         int onoff)
 393 {
 394         int ret = 0;
 395
 396         deb_info(3, "%s PID=%04x Index=%04x onoff=%02x", __func__,
 397                 pid, index, onoff);
 398
 399         if (onoff)
 400                 if (!pid_filter) {
 401                         ret = mutex_lock_interruptible(&adap->dev->i2c_mutex);
 402                         if (ret < 0)
 403                                 return -EAGAIN;
 404                         ret |= lme2510_enable_pid(adap->dev, index, pid);
 405                         mutex_unlock(&adap->dev->i2c_mutex);
 406         }
 407
 408
 409         return ret;
 410 }
 411
 412
 413 static int lme2510_return_status(struct usb_device *dev)
 414 {
 415         int ret = 0;
 416         u8 *data;
 417
 418         data = kzalloc(10, GFP_KERNEL);
 419         if (!data)
 420                 return -ENOMEM;
 421
 422         ret |= usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 423                         0x06, 0x80, 0x0302, 0x00, data, 0x0006, 200);
 424         info("Firmware Status: %x (%x)", ret , data[2]);
 425
 426         ret = (ret < 0) ? -ENODEV : data[2];
 427         kfree(data);
 428         return ret;
 429 }
 430
 431 static int lme2510_msg(struct dvb_usb_device *d,
 432                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
 433 {
 434         int ret = 0;
 435         struct lme2510_state *st = d->priv;
 436
 437         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 438                         return -EAGAIN;
 439
 440         if (st->i2c_talk_onoff == 1) {
 441
 442                 ret = lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 443
 444                 switch (st->tuner_config) {
 445                 case TUNER_LG:
 446                         if (wbuf[2] == 0x1c) {
 447                                 if (wbuf[3] == 0x0e) {
 448                                         st->signal_lock = rbuf[1];
 449                                         if ((st->stream_on & 1) &&
 450                                                 (st->signal_lock & 0x10)) {
 451                                                 lme2510_stream_restart(d);
 452                                                 st->i2c_talk_onoff = 0;
 453                                         }
 454                                         msleep(80);
 455                                 }
 456                         }
 457                         break;
 458                 case TUNER_S7395:
 459                         if (wbuf[2] == 0xd0) {
 460                                 if (wbuf[3] == 0x24) {
 461                                         st->signal_lock = rbuf[1];
 462                                         if ((st->stream_on & 1) &&
 463                                                 (st->signal_lock & 0x8)) {
 464                                                 lme2510_stream_restart(d);
 465                                                 st->i2c_talk_onoff = 0;
 466                                         }
 467                                 }
 468                                 if ((wbuf[3] != 0x6) & (wbuf[3] != 0x5))
 469                                         msleep(5);
 470                         }
 471                         break;
 472                 case TUNER_S0194:
 473                         if (wbuf[2] == 0xd0) {
 474                                 if (wbuf[3] == 0x1b) {
 475                                         st->signal_lock = rbuf[1];
 476                                         if ((st->stream_on & 1) &&
 477                                                 (st->signal_lock & 0x8)) {
 478                                                 lme2510_stream_restart(d);
 479                                                 st->i2c_talk_onoff = 0;
 480                                         }
 481                                 }
 482                         }
 483                         break;
 484                 default:
 485                         break;
 486                 }
 487         } else {
 488                 switch (st->tuner_config) {
 489                 case TUNER_LG:
 490                         switch (wbuf[3]) {
 491                         case 0x0e:
 492                                 rbuf[0] = 0x55;
 493                                 rbuf[1] = st->signal_lock;
 494                                 break;
 495                         case 0x43:
 496                                 rbuf[0] = 0x55;
 497                                 rbuf[1] = st->signal_level;
 498                                 break;
 499                         case 0x1c:
 500                                 rbuf[0] = 0x55;
 501                                 rbuf[1] = st->signal_sn;
 502                                 break;
 503                         case 0x15:
 504                         case 0x16:
 505                         case 0x17:
 506                         case 0x18:
 507                                 rbuf[0] = 0x55;
 508                                 rbuf[1] = 0x00;
 509                                 break;
 510                         default:
 511                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 512                                 st->i2c_talk_onoff = 1;
 513                                 break;
 514                         }
 515                         break;
 516                 case TUNER_S7395:
 517                         switch (wbuf[3]) {
 518                         case 0x10:
 519                                 rbuf[0] = 0x55;
 520                                 rbuf[1] = (st->signal_level & 0x80)
 521                                                 ? 0 : (st->signal_level * 2);
 522                                 break;
 523                         case 0x2d:
 524                                 rbuf[0] = 0x55;
 525                                 rbuf[1] = st->signal_sn;
 526                                 break;
 527                         case 0x24:
 528                                 rbuf[0] = 0x55;
 529                                 rbuf[1] = st->signal_lock;
 530                                 break;
 531                         case 0x2e:
 532                         case 0x26:
 533                         case 0x27:
 534                                 rbuf[0] = 0x55;
 535                                 rbuf[1] = 0x00;
 536                                 break;
 537                         default:
 538                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 539                                 st->i2c_talk_onoff = 1;
 540                                 break;
 541                         }
 542                         break;
 543                 case TUNER_S0194:
 544                         switch (wbuf[3]) {
 545                         case 0x18:
 546                                 rbuf[0] = 0x55;
 547                                 rbuf[1] = (st->signal_level & 0x80)
 548                                                 ? 0 : (st->signal_level * 2);
 549                                 break;
 550                         case 0x24:
 551                                 rbuf[0] = 0x55;
 552                                 rbuf[1] = st->signal_sn;
 553                                 break;
 554                         case 0x1b:
 555                                 rbuf[0] = 0x55;
 556                                 rbuf[1] = st->signal_lock;
 557                                 break;
 558                         case 0x19:
 559                         case 0x25:
 560                         case 0x1e:
 561                         case 0x1d:
 562                                 rbuf[0] = 0x55;
 563                                 rbuf[1] = 0x00;
 564                                 break;
 565                         default:
 566                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 567                                 st->i2c_talk_onoff = 1;
 568                                 break;
 569                         }
 570                         break;
 571                 default:
 572                         break;
 573                 }
 574
 575                 deb_info(4, "I2C From Interrupt Message out(%02x) in(%02x)",
 576                                 wbuf[3], rbuf[1]);
 577
 578         }
 579
 580         mutex_unlock(&d->i2c_mutex);
 581
 582         return ret;
 583 }
 584
 585
 586 static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 587                                  int num)
 588 {
 589         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 590         struct lme2510_state *st = d->priv;
 591         static u8 obuf[64], ibuf[64];
 592         int i, read, read_o;
 593         u16 len;
 594         u8 gate = st->i2c_gate;
 595
 596         if (gate == 0)
 597                 gate = 5;
 598
 599         if (num > 2)
 600                 warn("more than 2 i2c messages"
 601                         "at a time is not handled yet.  TODO.");
 602
 603         for (i = 0; i < num; i++) {
 604                 read_o = 1 & (msg[i].flags & I2C_M_RD);
 605                 read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
 606                 read |= read_o;
 607                 gate = (msg[i].addr == st->i2c_tuner_addr)
 608                         ? (read)        ? st->i2c_tuner_gate_r
 609                                         : st->i2c_tuner_gate_w
 610                         : st->i2c_gate;
 611                 obuf[0] = gate | (read << 7);
 612
 613                 if (gate == 5)
 614                         obuf[1] = (read) ? 2 : msg[i].len + 1;
 615                 else
 616                         obuf[1] = msg[i].len + read + 1;
 617
 618                 obuf[2] = msg[i].addr;
 619                 if (read) {
 620                         if (read_o)
 621                                 len = 3;
 622                         else {
 623                                 memcpy(&obuf[3], msg[i].buf, msg[i].len);
 624                                 obuf[msg[i].len+3] = msg[i+1].len;
 625                                 len = msg[i].len+4;
 626                         }
 627                 } else {
 628                         memcpy(&obuf[3], msg[i].buf, msg[i].len);
 629                         len = msg[i].len+3;
 630                 }
 631
 632                 if (lme2510_msg(d, obuf, len, ibuf, 64) < 0) {
 633                         deb_info(1, "i2c transfer failed.");
 634                         return -EAGAIN;
 635                 }
 636
 637                 if (read) {
 638                         if (read_o)
 639                                 memcpy(msg[i].buf, &ibuf[1], msg[i].len);
 640                         else {
 641                                 memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len);
 642                                 i++;
 643                         }
 644                 }
 645         }
 646         return i;
 647 }
 648
 649 static u32 lme2510_i2c_func(struct i2c_adapter *adapter)
 650 {
 651         return I2C_FUNC_I2C;
 652 }
 653
 654 static struct i2c_algorithm lme2510_i2c_algo = {
 655         .master_xfer   = lme2510_i2c_xfer,
 656         .functionality = lme2510_i2c_func,
 657 };
 658
 659 /* Callbacks for DVB USB */
 660 static int lme2510_identify_state(struct usb_device *udev,
 661                 struct dvb_usb_device_properties *props,
 662                 struct dvb_usb_device_description **desc,
 663                 int *cold)
 664 {
 665         *cold = 0;
 666         return 0;
 667 }
 668
 669 static int lme2510_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 670 {
 671         struct lme2510_state *st = adap->dev->priv;
 672         static u8 clear_reg_3[] = LME_CLEAR_PID;
 673         static u8 rbuf[1];
 674         int ret = 0, rlen = sizeof(rbuf);
 675
 676         deb_info(1, "STM  (%02x)", onoff);
 677
 678         /* Streaming is started by FE_HAS_LOCK */
 679         if (onoff == 1)
 680                 st->stream_on = 1;
 681         else {
 682                 deb_info(1, "STM Steam Off");
 683                 /* mutex is here only to avoid collision with I2C */
 684                 if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
 685                         return -EAGAIN;
 686
 687                 ret = lme2510_usb_talk(adap->dev, clear_reg_3,
 688                                 sizeof(clear_reg_3), rbuf, rlen);
 689                 st->stream_on = 0;
 690                 st->i2c_talk_onoff = 1;
 691
 692                 mutex_unlock(&adap->dev->i2c_mutex);
 693         }
 694
 695         return (ret < 0) ? -ENODEV : 0;
 696 }
 697
 698 static u8 check_sum(u8 *p, u8 len)
 699 {
 700         u8 sum = 0;
 701         while (len--)
 702                 sum += *p++;
 703         return sum;
 704 }
 705
 706 static int lme2510_download_firmware(struct usb_device *dev,
 707                                         const struct firmware *fw)
 708 {
 709         int ret = 0;
 710         u8 *data;
 711         u16 j, wlen, len_in, start, end;
 712         u8 packet_size, dlen, i;
 713         u8 *fw_data;
 714
 715         packet_size = 0x31;
 716         len_in = 1;
 717
 718         data = kzalloc(512, GFP_KERNEL);
 719         if (!data) {
 720                 info("FRM Could not start Firmware Download (Buffer allocation failed)");
 721                 return -ENOMEM;
 722         }
 723
 724         info("FRM Starting Firmware Download");
 725
 726         for (i = 1; i < 3; i++) {
 727                 start = (i == 1) ? 0 : 512;
 728                 end = (i == 1) ? 512 : fw->size;
 729                 for (j = start; j < end; j += (packet_size+1)) {
 730                         fw_data = (u8 *)(fw->data + j);
 731                         if ((end - j) > packet_size) {
 732                                 data[0] = i;
 733                                 dlen = packet_size;
 734                         } else {
 735                                 data[0] = i | 0x80;
 736                                 dlen = (u8)(end - j)-1;
 737                         }
 738                         data[1] = dlen;
 739                         memcpy(&data[2], fw_data, dlen+1);
 740                         wlen = (u8) dlen + 4;
 741                         data[wlen-1] = check_sum(fw_data, dlen+1);
 742                         deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3],
 743                                 data[dlen+2], data[dlen+3]);
 744                         ret |= lme2510_bulk_write(dev, data,  wlen, 1);
 745                         ret |= lme2510_bulk_read(dev, data, len_in , 1);
 746                         ret |= (data[0] == 0x88) ? 0 : -1;
 747                 }
 748         }
 749
 750         usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 751                         0x06, 0x80, 0x0200, 0x00, data, 0x0109, 1000);
 752
 753
 754         data[0] = 0x8a;
 755         len_in = 1;
 756         msleep(2000);
 757         ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Resetting*/
 758         ret |= lme2510_bulk_read(dev, data, len_in, 1);
 759         msleep(400);
 760
 761         if (ret < 0)
 762                 info("FRM Firmware Download Failed (%04x)" , ret);
 763         else
 764                 info("FRM Firmware Download Completed - Resetting Device");
 765
 766         kfree(data);
 767         return (ret < 0) ? -ENODEV : 0;
 768 }
 769
 770 static void lme_coldreset(struct usb_device *dev)
 771 {
 772         int ret = 0, len_in;
 773         u8 data[512] = {0};
 774
 775         data[0] = 0x0a;
 776         len_in = 1;
 777         info("FRM Firmware Cold Reset");
 778         ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Cold Resetting*/
 779         ret |= lme2510_bulk_read(dev, data, len_in, 1);
 780
 781         return;
 782 }
 783
 784 static int lme_firmware_switch(struct usb_device *udev, int cold)
 785 {
 786         const struct firmware *fw = NULL;
 787         const char fw_c_s7395[] = "dvb-usb-lme2510c-s7395.fw";
 788         const char fw_c_lg[] = "dvb-usb-lme2510c-lg.fw";
 789         const char fw_c_s0194[] = "dvb-usb-lme2510c-s0194.fw";
 790         const char fw_lg[] = "dvb-usb-lme2510-lg.fw";
 791         const char fw_s0194[] = "dvb-usb-lme2510-s0194.fw";
 792         const char *fw_lme;
 793         int ret, cold_fw;
 794
 795         cold = (cold > 0) ? (cold & 1) : 0;
 796
 797         cold_fw = !cold;
 798
 799         if (le16_to_cpu(udev->descriptor.idProduct) == 0x1122) {
 800                 switch (dvb_usb_lme2510_firmware) {
 801                 default:
 802                         dvb_usb_lme2510_firmware = TUNER_S0194;
 803                 case TUNER_S0194:
 804                         fw_lme = fw_s0194;
 805                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 806                         if (ret == 0) {
 807                                 cold = 0;
 808                                 break;
 809                         }
 810                         dvb_usb_lme2510_firmware = TUNER_LG;
 811                 case TUNER_LG:
 812                         fw_lme = fw_lg;
 813                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 814                         if (ret == 0)
 815                                 break;
 816                         info("FRM No Firmware Found - please install");
 817                         dvb_usb_lme2510_firmware = TUNER_DEFAULT;
 818                         cold = 0;
 819                         cold_fw = 0;
 820                         break;
 821                 }
 822         } else {
 823                 switch (dvb_usb_lme2510_firmware) {
 824                 default:
 825                         dvb_usb_lme2510_firmware = TUNER_S7395;
 826                 case TUNER_S7395:
 827                         fw_lme = fw_c_s7395;
 828                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 829                         if (ret == 0) {
 830                                 cold = 0;
 831                                 break;
 832                         }
 833                         dvb_usb_lme2510_firmware = TUNER_LG;
 834                 case TUNER_LG:
 835                         fw_lme = fw_c_lg;
 836                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 837                         if (ret == 0)
 838                                 break;
 839                         dvb_usb_lme2510_firmware = TUNER_S0194;
 840                 case TUNER_S0194:
 841                         fw_lme = fw_c_s0194;
 842                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 843                         if (ret == 0)
 844                                 break;
 845                         info("FRM No Firmware Found - please install");
 846                         dvb_usb_lme2510_firmware = TUNER_DEFAULT;
 847                         cold = 0;
 848                         cold_fw = 0;
 849                         break;
 850                 }
 851         }
 852
 853         if (cold_fw) {
 854                 info("FRM Loading %s file", fw_lme);
 855                 ret = lme2510_download_firmware(udev, fw);
 856         }
 857
 858         release_firmware(fw);
 859
 860         if (cold) {
 861                 info("FRM Changing to %s firmware", fw_lme);
 862                 lme_coldreset(udev);
 863                 return -ENODEV;
 864         }
 865
 866         return ret;
 867 }
 868
 869 static int lme2510_kill_urb(struct usb_data_stream *stream)
 870 {
 871         int i;
 872
 873         for (i = 0; i < stream->urbs_submitted; i++) {
 874                 deb_info(3, "killing URB no. %d.", i);
 875                 /* stop the URB */
 876                 usb_kill_urb(stream->urb_list[i]);
 877         }
 878         stream->urbs_submitted = 0;
 879
 880         return 0;
 881 }
 882
 883 static struct tda10086_config tda10086_config = {
 884         .demod_address = 0x1c,
 885         .invert = 0,
 886         .diseqc_tone = 1,
 887         .xtal_freq = TDA10086_XTAL_16M,
 888 };
 889
 890 static struct stv0288_config lme_config = {
 891         .demod_address = 0xd0,
 892         .min_delay_ms = 15,
 893         .inittab = s7395_inittab,
 894 };
 895
 896 static struct ix2505v_config lme_tuner = {
 897         .tuner_address = 0xc0,
 898         .min_delay_ms = 100,
 899         .tuner_gain = 0x0,
 900         .tuner_chargepump = 0x3,
 901 };
 902
 903 static struct stv0299_config sharp_z0194_config = {
 904         .demod_address = 0xd0,
 905         .inittab = sharp_z0194a_inittab,
 906         .mclk = 88000000UL,
 907         .invert = 0,
 908         .skip_reinit = 0,
 909         .lock_output = STV0299_LOCKOUTPUT_1,
 910         .volt13_op0_op1 = STV0299_VOLT13_OP1,
 911         .min_delay_ms = 100,
 912         .set_symbol_rate = sharp_z0194a_set_symbol_rate,
 913 };
 914
 915 static int dm04_lme2510_set_voltage(struct dvb_frontend *fe,
 916                                         fe_sec_voltage_t voltage)
 917 {
 918         struct dvb_usb_adapter *adap = fe->dvb->priv;
 919         static u8 voltage_low[] = LME_VOLTAGE_L;
 920         static u8 voltage_high[] = LME_VOLTAGE_H;
 921         static u8 rbuf[1];
 922         int ret = 0, len = 3, rlen = 1;
 923
 924         if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
 925                         return -EAGAIN;
 926
 927         switch (voltage) {
 928         case SEC_VOLTAGE_18:
 929                 ret |= lme2510_usb_talk(adap->dev,
 930                         voltage_high, len, rbuf, rlen);
 931                 break;
 932
 933         case SEC_VOLTAGE_OFF:
 934         case SEC_VOLTAGE_13:
 935         default:
 936                 ret |= lme2510_usb_talk(adap->dev,
 937                                 voltage_low, len, rbuf, rlen);
 938                 break;
 939         }
 940
 941         mutex_unlock(&adap->dev->i2c_mutex);
 942
 943         return (ret < 0) ? -ENODEV : 0;
 944 }
 945
 946 static int lme_name(struct dvb_usb_adapter *adap)
 947 {
 948         struct lme2510_state *st = adap->dev->priv;
 949         const char *desc = adap->dev->desc->name;
 950         char *fe_name[] = {"", " LG TDQY-P001F", " SHARP:BS2F7HZ7395",
 951                                 " SHARP:BS2F7HZ0194"};
 952         char *name = adap->fe_adap[0].fe->ops.info.name;
 953
 954         strlcpy(name, desc, 128);
 955         strlcat(name, fe_name[st->tuner_config], 128);
 956
 957         return 0;
 958 }
 959
 960 static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
 961 {
 962         struct lme2510_state *st = adap->dev->priv;
 963
 964         int ret = 0;
 965
 966         st->i2c_talk_onoff = 1;
 967
 968         st->i2c_gate = 4;
 969         adap->fe_adap[0].fe = dvb_attach(tda10086_attach, &tda10086_config,
 970                 &adap->dev->i2c_adap);
 971
 972         if (adap->fe_adap[0].fe) {
 973                 info("TUN Found Frontend TDA10086");
 974                 st->i2c_tuner_gate_w = 4;
 975                 st->i2c_tuner_gate_r = 4;
 976                 st->i2c_tuner_addr = 0xc0;
 977                 st->tuner_config = TUNER_LG;
 978                 if (dvb_usb_lme2510_firmware != TUNER_LG) {
 979                         dvb_usb_lme2510_firmware = TUNER_LG;
 980                         ret = lme_firmware_switch(adap->dev->udev, 1);
 981                 }
 982                 goto end;
 983         }
 984
 985         st->i2c_gate = 4;
 986         adap->fe_adap[0].fe = dvb_attach(stv0299_attach, &sharp_z0194_config,
 987                         &adap->dev->i2c_adap);
 988         if (adap->fe_adap[0].fe) {
 989                 info("FE Found Stv0299");
 990                 st->i2c_tuner_gate_w = 4;
 991                 st->i2c_tuner_gate_r = 5;
 992                 st->i2c_tuner_addr = 0xc0;
 993                 st->tuner_config = TUNER_S0194;
 994                 if (dvb_usb_lme2510_firmware != TUNER_S0194) {
 995                         dvb_usb_lme2510_firmware = TUNER_S0194;
 996                         ret = lme_firmware_switch(adap->dev->udev, 1);
 997                 }
 998                 goto end;
 999         }
1000
1001         st->i2c_gate = 5;
1002         adap->fe_adap[0].fe = dvb_attach(stv0288_attach, &lme_config,
1003                         &adap->dev->i2c_adap);
1004         if (adap->fe_adap[0].fe) {
1005                 info("FE Found Stv0288");
1006                 st->i2c_tuner_gate_w = 4;
1007                 st->i2c_tuner_gate_r = 5;
1008                 st->i2c_tuner_addr = 0xc0;
1009                 st->tuner_config = TUNER_S7395;
1010                 if (dvb_usb_lme2510_firmware != TUNER_S7395) {
1011                         dvb_usb_lme2510_firmware = TUNER_S7395;
1012                         ret = lme_firmware_switch(adap->dev->udev, 1);
1013                 }
1014         } else {
1015                 info("DM04 Not Supported");
1016                 return -ENODEV;
1017         }
1018
1019
1020 end:    if (ret) {
1021                 if (adap->fe_adap[0].fe) {
1022                         dvb_frontend_detach(adap->fe_adap[0].fe);
1023                         adap->fe_adap[0].fe = NULL;
1024                 }
1025                 adap->dev->props.rc.core.rc_codes = NULL;
1026                 return -ENODEV;
1027         }
1028
1029         adap->fe_adap[0].fe->ops.set_voltage = dm04_lme2510_set_voltage;
1030         ret = lme_name(adap);
1031         return ret;
1032 }
1033
1034 static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap)
1035 {
1036         struct lme2510_state *st = adap->dev->priv;
1037         char *tun_msg[] = {"", "TDA8263", "IX2505V", "DVB_PLL_OPERA"};
1038         int ret = 0;
1039
1040         switch (st->tuner_config) {
1041         case TUNER_LG:
1042                 if (dvb_attach(tda826x_attach, adap->fe_adap[0].fe, 0xc0,
1043                         &adap->dev->i2c_adap, 1))
1044                         ret = st->tuner_config;
1045                 break;
1046         case TUNER_S7395:
1047                 if (dvb_attach(ix2505v_attach , adap->fe_adap[0].fe, &lme_tuner,
1048                         &adap->dev->i2c_adap))
1049                         ret = st->tuner_config;
1050                 break;
1051         case TUNER_S0194:
1052                 if (dvb_attach(dvb_pll_attach , adap->fe_adap[0].fe, 0xc0,
1053                         &adap->dev->i2c_adap, DVB_PLL_OPERA1))
1054                         ret = st->tuner_config;
1055                 break;
1056         default:
1057                 break;
1058         }
1059
1060         if (ret)
1061                 info("TUN Found %s tuner", tun_msg[ret]);
1062         else {
1063                 info("TUN No tuner found --- reseting device");
1064                 lme_coldreset(adap->dev->udev);
1065                 return -ENODEV;
1066         }
1067
1068         /* Start the Interrupt*/
1069         ret = lme2510_int_read(adap);
1070         if (ret < 0) {
1071                 info("INT Unable to start Interrupt Service");
1072                 return -ENODEV;
1073         }
1074
1075         return ret;
1076 }
1077
1078 static int lme2510_powerup(struct dvb_usb_device *d, int onoff)
1079 {
1080         struct lme2510_state *st = d->priv;
1081         static u8 lnb_on[] = LNB_ON;
1082         static u8 lnb_off[] = LNB_OFF;
1083         static u8 rbuf[1];
1084         int ret, len = 3, rlen = 1;
1085
1086         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
1087                 return -EAGAIN;
1088
1089         if (onoff)
1090                 ret = lme2510_usb_talk(d, lnb_on, len, rbuf, rlen);
1091         else
1092                 ret = lme2510_usb_talk(d, lnb_off, len, rbuf, rlen);
1093
1094         st->i2c_talk_onoff = 1;
1095
1096         mutex_unlock(&d->i2c_mutex);
1097
1098         return ret;
1099 }
1100
1101 /* DVB USB Driver stuff */
1102 static struct dvb_usb_device_properties lme2510_properties;
1103 static struct dvb_usb_device_properties lme2510c_properties;
1104
1105 static int lme2510_probe(struct usb_interface *intf,
1106                 const struct usb_device_id *id)
1107 {
1108         struct usb_device *udev = interface_to_usbdev(intf);
1109         int ret = 0;
1110
1111         usb_reset_configuration(udev);
1112
1113         usb_set_interface(udev, intf->cur_altsetting->desc.bInterfaceNumber, 1);
1114
1115         if (udev->speed != USB_SPEED_HIGH) {
1116                 ret = usb_reset_device(udev);
1117                 info("DEV Failed to connect in HIGH SPEED mode");
1118                 return -ENODEV;
1119         }
1120
1121         if (lme2510_return_status(udev) == 0x44) {
1122                 lme_firmware_switch(udev, 0);
1123                 return -ENODEV;
1124         }
1125
1126         if (0 == dvb_usb_device_init(intf, &lme2510_properties,
1127                                      THIS_MODULE, NULL, adapter_nr)) {
1128                 info("DEV registering device driver");
1129                 return 0;
1130         }
1131         if (0 == dvb_usb_device_init(intf, &lme2510c_properties,
1132                                      THIS_MODULE, NULL, adapter_nr)) {
1133                 info("DEV registering device driver");
1134                 return 0;
1135         }
1136
1137         info("DEV lme2510 Error");
1138         return -ENODEV;
1139
1140 }
1141
1142 static struct usb_device_id lme2510_table[] = {
1143         { USB_DEVICE(0x3344, 0x1122) },  /* LME2510 */
1144         { USB_DEVICE(0x3344, 0x1120) },  /* LME2510C */
1145         {}              /* Terminating entry */
1146 };
1147
1148 MODULE_DEVICE_TABLE(usb, lme2510_table);
1149
1150 static struct dvb_usb_device_properties lme2510_properties = {
1151         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
1152         .size_of_priv = sizeof(struct lme2510_state),
1153         .num_adapters = 1,
1154         .adapter = {
1155                 {
1156                 .num_frontends = 1,
1157                 .fe = {{
1158                         .caps = DVB_USB_ADAP_HAS_PID_FILTER|
1159                                 DVB_USB_ADAP_NEED_PID_FILTERING|
1160                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1161                         .streaming_ctrl   = lme2510_streaming_ctrl,
1162                         .pid_filter_count = 15,
1163                         .pid_filter = lme2510_pid_filter,
1164                         .pid_filter_ctrl  = lme2510_pid_filter_ctrl,
1165                         .frontend_attach  = dm04_lme2510_frontend_attach,
1166                         .tuner_attach = dm04_lme2510_tuner,
1167                         /* parameter for the MPEG2-data transfer */
1168                         .stream = {
1169                                 .type = USB_BULK,
1170                                 .count = 10,
1171                                 .endpoint = 0x06,
1172                                 .u = {
1173                                         .bulk = {
1174                                                 .buffersize = 4096,
1175
1176                                         }
1177                                 }
1178                         }
1179                 }},
1180                 }
1181         },
1182         .rc.core = {
1183                 .protocol       = RC_TYPE_NEC,
1184                 .module_name    = "LME2510 Remote Control",
1185                 .allowed_protos = RC_TYPE_NEC,
1186                 .rc_codes       = RC_MAP_LME2510,
1187         },
1188         .power_ctrl       = lme2510_powerup,
1189         .identify_state   = lme2510_identify_state,
1190         .i2c_algo         = &lme2510_i2c_algo,
1191         .generic_bulk_ctrl_endpoint = 0,
1192         .num_device_descs = 1,
1193         .devices = {
1194                 {   "DM04_LME2510_DVB-S",
1195                         { &lme2510_table[0], NULL },
1196                         },
1197
1198         }
1199 };
1200
1201 static struct dvb_usb_device_properties lme2510c_properties = {
1202         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
1203         .size_of_priv = sizeof(struct lme2510_state),
1204         .num_adapters = 1,
1205         .adapter = {
1206                 {
1207                 .num_frontends = 1,
1208                 .fe = {{
1209                         .caps = DVB_USB_ADAP_HAS_PID_FILTER|
1210                                 DVB_USB_ADAP_NEED_PID_FILTERING|
1211                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1212                         .streaming_ctrl   = lme2510_streaming_ctrl,
1213                         .pid_filter_count = 15,
1214                         .pid_filter = lme2510_pid_filter,
1215                         .pid_filter_ctrl  = lme2510_pid_filter_ctrl,
1216                         .frontend_attach  = dm04_lme2510_frontend_attach,
1217                         .tuner_attach = dm04_lme2510_tuner,
1218                         /* parameter for the MPEG2-data transfer */
1219                         .stream = {
1220                                 .type = USB_BULK,
1221                                 .count = 10,
1222                                 .endpoint = 0x8,
1223                                 .u = {
1224                                         .bulk = {
1225                                                 .buffersize = 4096,
1226
1227                                         }
1228                                 }
1229                         }
1230                 }},
1231                 }
1232         },
1233         .rc.core = {
1234                 .protocol       = RC_TYPE_NEC,
1235                 .module_name    = "LME2510 Remote Control",
1236                 .allowed_protos = RC_TYPE_NEC,
1237                 .rc_codes       = RC_MAP_LME2510,
1238         },
1239         .power_ctrl       = lme2510_powerup,
1240         .identify_state   = lme2510_identify_state,
1241         .i2c_algo         = &lme2510_i2c_algo,
1242         .generic_bulk_ctrl_endpoint = 0,
1243         .num_device_descs = 1,
1244         .devices = {
1245                 {   "DM04_LME2510C_DVB-S",
1246                         { &lme2510_table[1], NULL },
1247                         },
1248         }
1249 };
1250
1251 static void *lme2510_exit_int(struct dvb_usb_device *d)
1252 {
1253         struct lme2510_state *st = d->priv;
1254         struct dvb_usb_adapter *adap = &d->adapter[0];
1255         void *buffer = NULL;
1256
1257         if (adap != NULL) {
1258                 lme2510_kill_urb(&adap->fe_adap[0].stream);
1259                 adap->feedcount = 0;
1260         }
1261
1262         if (st->usb_buffer != NULL) {
1263                 st->i2c_talk_onoff = 1;
1264                 st->signal_lock = 0;
1265                 st->signal_level = 0;
1266                 st->signal_sn = 0;
1267                 buffer = st->usb_buffer;
1268         }
1269
1270         if (st->lme_urb != NULL) {
1271                 usb_kill_urb(st->lme_urb);
1272                 usb_free_coherent(d->udev, 128, st->buffer,
1273                                   st->lme_urb->transfer_dma);
1274                 info("Interrupt Service Stopped");
1275         }
1276
1277         return buffer;
1278 }
1279
1280 static void lme2510_exit(struct usb_interface *intf)
1281 {
1282         struct dvb_usb_device *d = usb_get_intfdata(intf);
1283         void *usb_buffer;
1284
1285         if (d != NULL) {
1286                 usb_buffer = lme2510_exit_int(d);
1287                 dvb_usb_device_exit(intf);
1288                 if (usb_buffer != NULL)
1289                         kfree(usb_buffer);
1290         }
1291 }
1292
1293 static struct usb_driver lme2510_driver = {
1294         .name           = "LME2510C_DVB-S",
1295         .probe          = lme2510_probe,
1296         .disconnect     = lme2510_exit,
1297         .id_table       = lme2510_table,
1298 };
1299
1300 /* module stuff */
1301 static int __init lme2510_module_init(void)
1302 {
1303         int result = usb_register(&lme2510_driver);
1304         if (result) {
1305                 err("usb_register failed. Error number %d", result);
1306                 return result;
1307         }
1308
1309         return 0;
1310 }
1311
1312 static void __exit lme2510_module_exit(void)
1313 {
1314         /* deregister this driver from the USB subsystem */
1315         usb_deregister(&lme2510_driver);
1316 }
1317
1318 module_init(lme2510_module_init);
1319 module_exit(lme2510_module_exit);
1320
1321 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
1322 MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0");
1323 MODULE_VERSION("1.90");
1324 MODULE_LICENSE("GPL");