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  *                              LME2510 + LG TDQY-P001F
   6  *
   7  * MVB7395 (LME2510C+SHARP:BS2F7HZ7395)
   8  * SHARP:BS2F7HZ7395 = (STV0288+Sharp IX2505V)
   9  *
  10  * MV001F (LME2510+LGTDQY-P001F)
  11  * LG TDQY - P001F =(TDA8263 + TDA10086H)
  12  *
  13  * MVB0001F (LME2510C+LGTDQT-P001F)
  14  *
  15  * For firmware see Documentation/dvb/lmedm04.txt
  16  *
  17  * I2C addresses:
  18  * 0xd0 - STV0288       - Demodulator
  19  * 0xc0 - Sharp IX2505V - Tuner
  20  * --or--
  21  * 0x1c - TDA10086   - Demodulator
  22  * 0xc0 - TDA8263    - Tuner
  23  *
  24  * ***Please Note***
  25  *              There are other variants of the DM04
  26  *              ***NOT SUPPORTED***
  27  *              MV0194 (LME2510+SHARP0194)
  28  *              MVB0194 (LME2510C+SHARP0194)
  29  *
  30  *
  31  * VID = 3344  PID LME2510=1122 LME2510C=1120
  32  *
  33  * Copyright (C) 2010 Malcolm Priestley (tvboxspy@gmail.com)
  34  * LME2510(C)(C) Leaguerme (Shenzhen) MicroElectronics Co., Ltd.
  35  *
  36  * This program is free software; you can redistribute it and/or modify
  37  * it under the terms of the GNU General Public License Version 2, as
  38  * published by the Free Software Foundation.
  39  *
  40  * This program is distributed in the hope that it will be useful,
  41  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  42  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  43  * GNU General Public License for more details.
  44  *
  45  * You should have received a copy of the GNU General Public License
  46  * along with this program; if not, write to the Free Software
  47  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  48  *
  49  *
  50  * see Documentation/dvb/README.dvb-usb for more information
  51  *
  52  * Known Issues :
  53  *      LME2510: Non Intel USB chipsets fail to maintain High Speed on
  54  * Boot or Hot Plug.
  55  *
  56  * QQbox suffers from noise on LNB voltage.
  57  *
  58  *      PID functions have been removed from this driver version due to
  59  * problems with different firmware and application versions.
  60  */
  61 #define DVB_USB_LOG_PREFIX "LME2510(C)"
  62 #include <linux/usb.h>
  63 #include <linux/usb/input.h>
  64 #include <media/rc-core.h>
  65
  66 #include "dvb-usb.h"
  67 #include "lmedm04.h"
  68 #include "tda826x.h"
  69 #include "tda10086.h"
  70 #include "stv0288.h"
  71 #include "ix2505v.h"
  72
  73
  74
  75 /* debug */
  76 static int dvb_usb_lme2510_debug;
  77 #define l_dprintk(var, level, args...) do { \
  78         if ((var >= level)) \
  79                 printk(KERN_DEBUG DVB_USB_LOG_PREFIX ": " args); \
  80 } while (0)
  81
  82 #define deb_info(level, args...) l_dprintk(dvb_usb_lme2510_debug, level, args)
  83 #define debug_data_snipet(level, name, p) \
  84          deb_info(level, name" (%02x%02x%02x%02x%02x%02x%02x%02x)", \
  85                 *p, *(p+1), *(p+2), *(p+3), *(p+4), \
  86                         *(p+5), *(p+6), *(p+7));
  87
  88
  89 module_param_named(debug, dvb_usb_lme2510_debug, int, 0644);
  90 MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))."
  91                         DVB_USB_DEBUG_STATUS);
  92
  93 static int dvb_usb_lme2510_firmware;
  94 module_param_named(firmware, dvb_usb_lme2510_firmware, int, 0644);
  95 MODULE_PARM_DESC(firmware, "set default firmware 0=Sharp7395 1=LG");
  96
  97
  98 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  99 #define TUNER_LG        0x1
 100 #define TUNER_S7395     0x2
 101
 102 struct lme2510_state {
 103         u8 id;
 104         u8 tuner_config;
 105         u8 signal_lock;
 106         u8 signal_level;
 107         u8 signal_sn;
 108         u8 time_key;
 109         u8 i2c_talk_onoff;
 110         u8 i2c_gate;
 111         u8 i2c_tuner_gate_w;
 112         u8 i2c_tuner_gate_r;
 113         u8 i2c_tuner_addr;
 114         u8 stream_on;
 115         void *buffer;
 116         struct urb *lme_urb;
 117         void *usb_buffer;
 118
 119 };
 120
 121 static int lme2510_bulk_write(struct usb_device *dev,
 122                                 u8 *snd, int len, u8 pipe)
 123 {
 124         int ret, actual_l;
 125
 126         ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
 127                                 snd, len , &actual_l, 100);
 128         return ret;
 129 }
 130
 131 static int lme2510_bulk_read(struct usb_device *dev,
 132                                 u8 *rev, int len, u8 pipe)
 133 {
 134         int ret, actual_l;
 135
 136         ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
 137                                  rev, len , &actual_l, 200);
 138         return ret;
 139 }
 140
 141 static int lme2510_usb_talk(struct dvb_usb_device *d,
 142                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
 143 {
 144         struct lme2510_state *st = d->priv;
 145         u8 *buff;
 146         int ret = 0;
 147
 148         if (st->usb_buffer == NULL) {
 149                 st->usb_buffer = kmalloc(512, GFP_KERNEL);
 150                 if (st->usb_buffer == NULL) {
 151                         info("MEM Error no memory");
 152                         return -ENOMEM;
 153                 }
 154         }
 155         buff = st->usb_buffer;
 156
 157         /* the read/write capped at 512 */
 158         memcpy(buff, wbuf, (wlen > 512) ? 512 : wlen);
 159
 160         ret = mutex_lock_interruptible(&d->usb_mutex);
 161
 162         if (ret < 0)
 163                 return -EAGAIN;
 164
 165         ret |= usb_clear_halt(d->udev, usb_sndbulkpipe(d->udev, 0x01));
 166
 167         ret |= lme2510_bulk_write(d->udev, buff, wlen , 0x01);
 168
 169         msleep(10);
 170
 171         ret |= usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x01));
 172
 173         ret |= lme2510_bulk_read(d->udev, buff, (rlen > 512) ?
 174                         512 : rlen , 0x01);
 175
 176         if (rlen > 0)
 177                 memcpy(rbuf, buff, rlen);
 178
 179         mutex_unlock(&d->usb_mutex);
 180
 181         return (ret < 0) ? -ENODEV : 0;
 182 }
 183
 184 static int lme2510_stream_restart(struct dvb_usb_device *d)
 185 {
 186         static u8 stream_on[] = LME_ST_ON_W;
 187         int ret;
 188         u8 rbuff[10];
 189         /*Restart Stream Command*/
 190         ret = lme2510_usb_talk(d, stream_on, sizeof(stream_on),
 191                         rbuff, sizeof(rbuff));
 192         return ret;
 193 }
 194 static int lme2510_remote_keypress(struct dvb_usb_adapter *adap, u16 keypress)
 195 {
 196         struct dvb_usb_device *d = adap->dev;
 197
 198         deb_info(1, "INT Key Keypress =%04x", keypress);
 199
 200         if (keypress > 0)
 201                 rc_keydown(d->rc_dev, keypress, 0);
 202
 203         return 0;
 204 }
 205
 206 static void lme2510_int_response(struct urb *lme_urb)
 207 {
 208         struct dvb_usb_adapter *adap = lme_urb->context;
 209         struct lme2510_state *st = adap->dev->priv;
 210         static u8 *ibuf, *rbuf;
 211         int i = 0, offset;
 212
 213         switch (lme_urb->status) {
 214         case 0:
 215         case -ETIMEDOUT:
 216                 break;
 217         case -ECONNRESET:
 218         case -ENOENT:
 219         case -ESHUTDOWN:
 220                 return;
 221         default:
 222                 info("Error %x", lme_urb->status);
 223                 break;
 224         }
 225
 226         rbuf = (u8 *) lme_urb->transfer_buffer;
 227
 228         offset = ((lme_urb->actual_length/8) > 4)
 229                         ? 4 : (lme_urb->actual_length/8) ;
 230
 231         for (i = 0; i < offset; ++i) {
 232                 ibuf = (u8 *)&rbuf[i*8];
 233                 deb_info(5, "INT O/S C =%02x C/O=%02x Type =%02x%02x",
 234                 offset, i, ibuf[0], ibuf[1]);
 235
 236                 switch (ibuf[0]) {
 237                 case 0xaa:
 238                         debug_data_snipet(1, "INT Remote data snipet in", ibuf);
 239                         lme2510_remote_keypress(adap,
 240                                 (u16)(ibuf[4]<<8)+ibuf[5]);
 241                         break;
 242                 case 0xbb:
 243                         switch (st->tuner_config) {
 244                         case TUNER_LG:
 245                                 if (ibuf[2] > 0)
 246                                         st->signal_lock = ibuf[2];
 247                                 st->signal_level = ibuf[4];
 248                                 st->signal_sn = ibuf[3];
 249                                 st->time_key = ibuf[7];
 250                                 break;
 251                         case TUNER_S7395:
 252                                 /* Tweak for earlier firmware*/
 253                                 if (ibuf[1] == 0x03) {
 254                                         if (ibuf[2] > 1)
 255                                                 st->signal_lock = ibuf[2];
 256                                         st->signal_level = ibuf[3];
 257                                         st->signal_sn = ibuf[4];
 258                                 } else {
 259                                         st->signal_level = ibuf[4];
 260                                         st->signal_sn = ibuf[5];
 261                                         st->signal_lock =
 262                                                 (st->signal_lock & 0xf7) +
 263                                                 ((ibuf[2] & 0x01) << 0x03);
 264                                 }
 265                                 break;
 266                         default:
 267                                 break;
 268                         }
 269                         debug_data_snipet(5, "INT Remote data snipet in", ibuf);
 270                 break;
 271                 case 0xcc:
 272                         debug_data_snipet(1, "INT Control data snipet", ibuf);
 273                         break;
 274                 default:
 275                         debug_data_snipet(1, "INT Unknown data snipet", ibuf);
 276                 break;
 277                 }
 278         }
 279         usb_submit_urb(lme_urb, GFP_ATOMIC);
 280 }
 281
 282 static int lme2510_int_read(struct dvb_usb_adapter *adap)
 283 {
 284         struct lme2510_state *lme_int = adap->dev->priv;
 285
 286         lme_int->lme_urb = usb_alloc_urb(0, GFP_ATOMIC);
 287
 288         if (lme_int->lme_urb == NULL)
 289                         return -ENOMEM;
 290
 291         lme_int->buffer = usb_alloc_coherent(adap->dev->udev, 5000, GFP_ATOMIC,
 292                                         &lme_int->lme_urb->transfer_dma);
 293
 294         if (lme_int->buffer == NULL)
 295                         return -ENOMEM;
 296
 297         usb_fill_int_urb(lme_int->lme_urb,
 298                                 adap->dev->udev,
 299                                 usb_rcvintpipe(adap->dev->udev, 0xa),
 300                                 lme_int->buffer,
 301                                 4096,
 302                                 lme2510_int_response,
 303                                 adap,
 304                                 11);
 305
 306         lme_int->lme_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 307
 308         usb_submit_urb(lme_int->lme_urb, GFP_ATOMIC);
 309         info("INT Interupt Service Started");
 310
 311         return 0;
 312 }
 313
 314 static int lme2510_return_status(struct usb_device *dev)
 315 {
 316         int ret = 0;
 317         u8 data[10] = {0};
 318
 319         ret |= usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 320                         0x06, 0x80, 0x0302, 0x00, data, 0x0006, 200);
 321         info("Firmware Status: %x (%x)", ret , data[2]);
 322
 323         return (ret < 0) ? -ENODEV : data[2];
 324 }
 325
 326 static int lme2510_msg(struct dvb_usb_device *d,
 327                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
 328 {
 329         int ret = 0;
 330         struct lme2510_state *st = d->priv;
 331
 332         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 333                         return -EAGAIN;
 334
 335         if (st->i2c_talk_onoff == 1) {
 336
 337                 ret = lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 338
 339                 switch (st->tuner_config) {
 340                 case TUNER_LG:
 341                         if (wbuf[2] == 0x1c) {
 342                                 if (wbuf[3] == 0x0e) {
 343                                         st->signal_lock = rbuf[1];
 344                                         if ((st->stream_on & 1) &&
 345                                                 (st->signal_lock & 0x10)) {
 346                                                 lme2510_stream_restart(d);
 347                                                 st->i2c_talk_onoff = 0;
 348                                         }
 349                                         msleep(80);
 350                                 }
 351                         }
 352                         break;
 353                 case TUNER_S7395:
 354                         if (wbuf[2] == 0xd0) {
 355                                 if (wbuf[3] == 0x24) {
 356                                         st->signal_lock = rbuf[1];
 357                                         if ((st->stream_on & 1) &&
 358                                                 (st->signal_lock & 0x8)) {
 359                                                 lme2510_stream_restart(d);
 360                                                 st->i2c_talk_onoff = 0;
 361                                         }
 362                                 }
 363                                 if ((wbuf[3] != 0x6) & (wbuf[3] != 0x5))
 364                                         msleep(5);
 365                         }
 366                         break;
 367                 default:
 368                         break;
 369                 }
 370         } else {
 371                 switch (st->tuner_config) {
 372                 case TUNER_LG:
 373                         switch (wbuf[3]) {
 374                         case 0x0e:
 375                                 rbuf[0] = 0x55;
 376                                 rbuf[1] = st->signal_lock;
 377                                 break;
 378                         case 0x43:
 379                                 rbuf[0] = 0x55;
 380                                 rbuf[1] = st->signal_level;
 381                                 break;
 382                         case 0x1c:
 383                                 rbuf[0] = 0x55;
 384                                 rbuf[1] = st->signal_sn;
 385                                 break;
 386                         case 0x15:
 387                         case 0x16:
 388                         case 0x17:
 389                         case 0x18:
 390                                 rbuf[0] = 0x55;
 391                                 rbuf[1] = 0x00;
 392                                 break;
 393                         default:
 394                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 395                                 st->i2c_talk_onoff = 1;
 396                                 break;
 397                         }
 398                         break;
 399                 case TUNER_S7395:
 400                         switch (wbuf[3]) {
 401                         case 0x10:
 402                                 rbuf[0] = 0x55;
 403                                 rbuf[1] = (st->signal_level & 0x80)
 404                                                 ? 0 : (st->signal_level * 2);
 405                                 break;
 406                         case 0x2d:
 407                                 rbuf[0] = 0x55;
 408                                 rbuf[1] = st->signal_sn;
 409                                 break;
 410                         case 0x24:
 411                                 rbuf[0] = 0x55;
 412                                 rbuf[1] = st->signal_lock;
 413                                 break;
 414                         case 0x2e:
 415                         case 0x26:
 416                         case 0x27:
 417                                 rbuf[0] = 0x55;
 418                                 rbuf[1] = 0x00;
 419                                 break;
 420                         default:
 421                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 422                                 st->i2c_talk_onoff = 1;
 423                                 break;
 424                         }
 425                         break;
 426                 default:
 427                         break;
 428                 }
 429
 430                 deb_info(4, "I2C From Interupt Message out(%02x) in(%02x)",
 431                                 wbuf[3], rbuf[1]);
 432
 433         }
 434
 435         mutex_unlock(&d->i2c_mutex);
 436
 437         return ret;
 438 }
 439
 440
 441 static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 442                                  int num)
 443 {
 444         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 445         struct lme2510_state *st = d->priv;
 446         static u8 obuf[64], ibuf[512];
 447         int i, read, read_o;
 448         u16 len;
 449         u8 gate = st->i2c_gate;
 450
 451         if (gate == 0)
 452                 gate = 5;
 453
 454         if (num > 2)
 455                 warn("more than 2 i2c messages"
 456                         "at a time is not handled yet.  TODO.");
 457
 458         for (i = 0; i < num; i++) {
 459                 read_o = 1 & (msg[i].flags & I2C_M_RD);
 460                 read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
 461                 read |= read_o;
 462                 gate = (msg[i].addr == st->i2c_tuner_addr)
 463                         ? (read)        ? st->i2c_tuner_gate_r
 464                                         : st->i2c_tuner_gate_w
 465                         : st->i2c_gate;
 466                 obuf[0] = gate | (read << 7);
 467
 468                 if (gate == 5)
 469                         obuf[1] = (read) ? 2 : msg[i].len + 1;
 470                 else
 471                         obuf[1] = msg[i].len + read + 1;
 472
 473                 obuf[2] = msg[i].addr;
 474                 if (read) {
 475                         if (read_o)
 476                                 len = 3;
 477                         else {
 478                                 memcpy(&obuf[3], msg[i].buf, msg[i].len);
 479                                 obuf[msg[i].len+3] = msg[i+1].len;
 480                                 len = msg[i].len+4;
 481                         }
 482                 } else {
 483                         memcpy(&obuf[3], msg[i].buf, msg[i].len);
 484                         len = msg[i].len+3;
 485                 }
 486
 487                 if (lme2510_msg(d, obuf, len, ibuf, 512) < 0) {
 488                         deb_info(1, "i2c transfer failed.");
 489                         return -EAGAIN;
 490                 }
 491
 492                 if (read) {
 493                         if (read_o)
 494                                 memcpy(msg[i].buf, &ibuf[1], msg[i].len);
 495                         else {
 496                                 memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len);
 497                                 i++;
 498                         }
 499                 }
 500         }
 501         return i;
 502 }
 503
 504 static u32 lme2510_i2c_func(struct i2c_adapter *adapter)
 505 {
 506         return I2C_FUNC_I2C;
 507 }
 508
 509 static struct i2c_algorithm lme2510_i2c_algo = {
 510         .master_xfer   = lme2510_i2c_xfer,
 511         .functionality = lme2510_i2c_func,
 512 };
 513
 514 /* Callbacks for DVB USB */
 515 static int lme2510_identify_state(struct usb_device *udev,
 516                 struct dvb_usb_device_properties *props,
 517                 struct dvb_usb_device_description **desc,
 518                 int *cold)
 519 {
 520         if (lme2510_return_status(udev) == 0x44)
 521                 *cold = 1;
 522         else
 523                 *cold = 0;
 524         return 0;
 525 }
 526
 527 static int lme2510_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 528 {
 529         struct lme2510_state *st = adap->dev->priv;
 530         static u8 clear_reg_3[] =  LME_CLEAR_PID;
 531         static u8 rbuf[1];
 532         int ret = 0, rlen = sizeof(rbuf);
 533
 534         deb_info(1, "STM  (%02x)", onoff);
 535
 536         /* Streaming is started by FE_HAS_LOCK */
 537         if (onoff == 1)
 538                 st->stream_on = 1;
 539         else {
 540                 deb_info(1, "STM Steam Off");
 541                 /* mutex is here only to avoid collision with I2C */
 542                 ret = mutex_lock_interruptible(&adap->dev->i2c_mutex);
 543
 544                 ret |= lme2510_usb_talk(adap->dev, clear_reg_3,
 545                                 sizeof(clear_reg_3), rbuf, rlen);
 546                 st->stream_on = 0;
 547                 st->i2c_talk_onoff = 1;
 548
 549                 mutex_unlock(&adap->dev->i2c_mutex);
 550         }
 551
 552         return (ret < 0) ? -ENODEV : 0;
 553 }
 554
 555 static int lme2510_int_service(struct dvb_usb_adapter *adap)
 556 {
 557         struct dvb_usb_device *d = adap->dev;
 558         struct rc_dev *rc;
 559         int ret;
 560
 561         info("STA Configuring Remote");
 562
 563         rc = rc_allocate_device();
 564         if (!rc)
 565                 return -ENOMEM;
 566
 567         usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys));
 568         strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys));
 569
 570         rc->input_name = "LME2510 Remote Control";
 571         rc->input_phys = d->rc_phys;
 572         rc->map_name = RC_MAP_LME2510;
 573         rc->driver_name = "LME 2510";
 574         usb_to_input_id(d->udev, &rc->input_id);
 575
 576         ret = rc_register_device(rc);
 577         if (ret) {
 578                 rc_free_device(rc);
 579                 return ret;
 580         }
 581         d->rc_dev = rc;
 582
 583         /* Start the Interupt */
 584         ret = lme2510_int_read(adap);
 585         if (ret < 0) {
 586                 rc_unregister_device(rc);
 587                 info("INT Unable to start Interupt Service");
 588                 return -ENODEV;
 589         }
 590
 591         return 0;
 592 }
 593
 594 static u8 check_sum(u8 *p, u8 len)
 595 {
 596         u8 sum = 0;
 597         while (len--)
 598                 sum += *p++;
 599         return sum;
 600 }
 601
 602 static int lme2510_download_firmware(struct usb_device *dev,
 603                                         const struct firmware *fw)
 604 {
 605         int ret = 0;
 606         u8 data[512] = {0};
 607         u16 j, wlen, len_in, start, end;
 608         u8 packet_size, dlen, i;
 609         u8 *fw_data;
 610
 611         packet_size = 0x31;
 612         len_in = 1;
 613
 614
 615         info("FRM Starting Firmware Download");
 616
 617         for (i = 1; i < 3; i++) {
 618                 start = (i == 1) ? 0 : 512;
 619                 end = (i == 1) ? 512 : fw->size;
 620                 for (j = start; j < end; j += (packet_size+1)) {
 621                         fw_data = (u8 *)(fw->data + j);
 622                         if ((end - j) > packet_size) {
 623                                 data[0] = i;
 624                                 dlen = packet_size;
 625                         } else {
 626                                 data[0] = i | 0x80;
 627                                 dlen = (u8)(end - j)-1;
 628                         }
 629                 data[1] = dlen;
 630                 memcpy(&data[2], fw_data, dlen+1);
 631                 wlen = (u8) dlen + 4;
 632                 data[wlen-1] = check_sum(fw_data, dlen+1);
 633                 deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3],
 634                                 data[dlen+2], data[dlen+3]);
 635                 ret |= lme2510_bulk_write(dev, data,  wlen, 1);
 636                 ret |= lme2510_bulk_read(dev, data, len_in , 1);
 637                 ret |= (data[0] == 0x88) ? 0 : -1;
 638                 }
 639         }
 640
 641         usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 642                         0x06, 0x80, 0x0200, 0x00, data, 0x0109, 1000);
 643
 644
 645         data[0] = 0x8a;
 646         len_in = 1;
 647         msleep(2000);
 648         ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Resetting*/
 649         ret |= lme2510_bulk_read(dev, data, len_in, 1);
 650         msleep(400);
 651
 652         if (ret < 0)
 653                 info("FRM Firmware Download Failed (%04x)" , ret);
 654         else
 655                 info("FRM Firmware Download Completed - Resetting Device");
 656
 657
 658         return (ret < 0) ? -ENODEV : 0;
 659 }
 660
 661 /* Default firmware for LME2510C */
 662 char lme_firmware[50] = "dvb-usb-lme2510c-s7395.fw";
 663
 664 static void lme_coldreset(struct usb_device *dev)
 665 {
 666         int ret = 0, len_in;
 667         u8 data[512] = {0};
 668
 669         data[0] = 0x0a;
 670         len_in = 1;
 671         info("FRM Firmware Cold Reset");
 672         ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Cold Resetting*/
 673         ret |= lme2510_bulk_read(dev, data, len_in, 1);
 674
 675         return;
 676 }
 677
 678 static int lme_firmware_switch(struct usb_device *udev, int cold)
 679 {
 680         const struct firmware *fw = NULL;
 681         char lme2510c_s7395[] = "dvb-usb-lme2510c-s7395.fw";
 682         char lme2510c_lg[] = "dvb-usb-lme2510c-lg.fw";
 683         char *firm_msg[] = {"Loading", "Switching to"};
 684         int ret;
 685
 686         cold = (cold > 0) ? (cold & 1) : 0;
 687
 688         if (udev->descriptor.idProduct == 0x1122)
 689                 return 0;
 690
 691         switch (dvb_usb_lme2510_firmware) {
 692         case 0:
 693         default:
 694                 memcpy(&lme_firmware, lme2510c_s7395, sizeof(lme2510c_s7395));
 695                 ret = request_firmware(&fw, lme_firmware, &udev->dev);
 696                 if (ret == 0) {
 697                         info("FRM %s S7395 Firmware", firm_msg[cold]);
 698                         break;
 699                 }
 700                 if (cold == 0)
 701                         dvb_usb_lme2510_firmware = 1;
 702                 else
 703                         cold = 0;
 704         case 1:
 705                 memcpy(&lme_firmware, lme2510c_lg, sizeof(lme2510c_lg));
 706                 ret = request_firmware(&fw, lme_firmware, &udev->dev);
 707                 if (ret == 0) {
 708                         info("FRM %s LG Firmware", firm_msg[cold]);
 709                         break;
 710                 }
 711                 info("FRM No Firmware Found - please install");
 712                 dvb_usb_lme2510_firmware = 0;
 713                 cold = 0;
 714                 break;
 715         }
 716
 717         release_firmware(fw);
 718
 719         if (cold) {
 720                 lme_coldreset(udev);
 721                 return -ENODEV;
 722         }
 723
 724         return ret;
 725 }
 726
 727 static int lme2510_kill_urb(struct usb_data_stream *stream)
 728 {
 729         int i;
 730
 731         for (i = 0; i < stream->urbs_submitted; i++) {
 732                 deb_info(3, "killing URB no. %d.", i);
 733                 /* stop the URB */
 734                 usb_kill_urb(stream->urb_list[i]);
 735         }
 736         stream->urbs_submitted = 0;
 737
 738         return 0;
 739 }
 740
 741 static struct tda10086_config tda10086_config = {
 742         .demod_address = 0x1c,
 743         .invert = 0,
 744         .diseqc_tone = 1,
 745         .xtal_freq = TDA10086_XTAL_16M,
 746 };
 747
 748 static struct stv0288_config lme_config = {
 749         .demod_address = 0xd0,
 750         .min_delay_ms = 15,
 751         .inittab = s7395_inittab,
 752 };
 753
 754 static struct ix2505v_config lme_tuner = {
 755         .tuner_address = 0xc0,
 756         .min_delay_ms = 100,
 757         .tuner_gain = 0x0,
 758         .tuner_chargepump = 0x3,
 759 };
 760
 761 static int dm04_lme2510_set_voltage(struct dvb_frontend *fe,
 762                                         fe_sec_voltage_t voltage)
 763 {
 764         struct dvb_usb_adapter *adap = fe->dvb->priv;
 765         static u8 voltage_low[] = LME_VOLTAGE_L;
 766         static u8 voltage_high[] = LME_VOLTAGE_H;
 767         static u8 rbuf[1];
 768         int ret = 0, len = 3, rlen = 1;
 769
 770         if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
 771                         return -EAGAIN;
 772
 773         switch (voltage) {
 774         case SEC_VOLTAGE_18:
 775                 ret |= lme2510_usb_talk(adap->dev,
 776                         voltage_high, len, rbuf, rlen);
 777                 break;
 778
 779         case SEC_VOLTAGE_OFF:
 780         case SEC_VOLTAGE_13:
 781         default:
 782                 ret |= lme2510_usb_talk(adap->dev,
 783                                 voltage_low, len, rbuf, rlen);
 784                 break;
 785         }
 786
 787         mutex_unlock(&adap->dev->i2c_mutex);
 788
 789         return (ret < 0) ? -ENODEV : 0;
 790 }
 791
 792 static int lme_name(struct dvb_usb_adapter *adap)
 793 {
 794         struct lme2510_state *st = adap->dev->priv;
 795         const char *desc = adap->dev->desc->name;
 796         char *fe_name[] = {"", " LG TDQY-P001F", " SHARP:BS2F7HZ7395"};
 797         char *name = adap->fe->ops.info.name;
 798
 799         strlcpy(name, desc, 128);
 800         strlcat(name, fe_name[st->tuner_config], 128);
 801
 802         return 0;
 803 }
 804
 805 static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
 806 {
 807         struct lme2510_state *st = adap->dev->priv;
 808
 809         int ret = 0;
 810
 811         st->i2c_talk_onoff = 1;
 812
 813         st->i2c_gate = 4;
 814         adap->fe = dvb_attach(tda10086_attach, &tda10086_config,
 815                 &adap->dev->i2c_adap);
 816
 817         if (adap->fe) {
 818                 info("TUN Found Frontend TDA10086");
 819                 st->i2c_tuner_gate_w = 4;
 820                 st->i2c_tuner_gate_r = 4;
 821                 st->i2c_tuner_addr = 0xc0;
 822                 st->tuner_config = TUNER_LG;
 823                 if (dvb_usb_lme2510_firmware != 1) {
 824                         dvb_usb_lme2510_firmware = 1;
 825                         ret = lme_firmware_switch(adap->dev->udev, 1);
 826                 } else /*stops LG/Sharp multi tuner problems*/
 827                         dvb_usb_lme2510_firmware = 0;
 828                 goto end;
 829         }
 830
 831         st->i2c_gate = 5;
 832         adap->fe = dvb_attach(stv0288_attach, &lme_config,
 833                         &adap->dev->i2c_adap);
 834
 835         if (adap->fe) {
 836                 info("FE Found Stv0288");
 837                 st->i2c_tuner_gate_w = 4;
 838                 st->i2c_tuner_gate_r = 5;
 839                 st->i2c_tuner_addr = 0xc0;
 840                 st->tuner_config = TUNER_S7395;
 841                 if (dvb_usb_lme2510_firmware != 0) {
 842                         dvb_usb_lme2510_firmware = 0;
 843                         ret = lme_firmware_switch(adap->dev->udev, 1);
 844                 }
 845         } else {
 846                 info("DM04 Not Supported");
 847                 return -ENODEV;
 848         }
 849
 850 end:    if (ret) {
 851                 kfree(adap->fe);
 852                 adap->fe = NULL;
 853                 return -ENODEV;
 854         }
 855
 856         adap->fe->ops.set_voltage = dm04_lme2510_set_voltage;
 857         ret = lme_name(adap);
 858
 859         return ret;
 860 }
 861
 862 static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap)
 863 {
 864         struct lme2510_state *st = adap->dev->priv;
 865         char *tun_msg[] = {"", "TDA8263", "IX2505V"};
 866         int ret = 0;
 867
 868         switch (st->tuner_config) {
 869         case TUNER_LG:
 870                 if (dvb_attach(tda826x_attach, adap->fe, 0xc0,
 871                         &adap->dev->i2c_adap, 1))
 872                         ret = st->tuner_config;
 873                 break;
 874         case TUNER_S7395:
 875                 if (dvb_attach(ix2505v_attach , adap->fe, &lme_tuner,
 876                         &adap->dev->i2c_adap))
 877                         ret = st->tuner_config;
 878                 break;
 879         default:
 880                 break;
 881         }
 882
 883         if (ret)
 884                 info("TUN Found %s tuner", tun_msg[ret]);
 885         else {
 886                 info("TUN No tuner found --- reseting device");
 887                 lme_coldreset(adap->dev->udev);
 888                 return -ENODEV;
 889         }
 890
 891         /* Start the Interupt & Remote*/
 892         ret = lme2510_int_service(adap);
 893
 894         return ret;
 895 }
 896
 897 static int lme2510_powerup(struct dvb_usb_device *d, int onoff)
 898 {
 899         struct lme2510_state *st = d->priv;
 900         static u8 lnb_on[] = LNB_ON;
 901         static u8 lnb_off[] = LNB_OFF;
 902         static u8 rbuf[1];
 903         int ret, len = 3, rlen = 1;
 904
 905         ret = mutex_lock_interruptible(&d->i2c_mutex);
 906
 907         if (onoff)
 908                 ret |= lme2510_usb_talk(d, lnb_on, len, rbuf, rlen);
 909         else
 910                 ret |= lme2510_usb_talk(d, lnb_off, len, rbuf, rlen);
 911
 912         st->i2c_talk_onoff = 1;
 913
 914         mutex_unlock(&d->i2c_mutex);
 915
 916         return ret;
 917 }
 918
 919 /* DVB USB Driver stuff */
 920 static struct dvb_usb_device_properties lme2510_properties;
 921 static struct dvb_usb_device_properties lme2510c_properties;
 922
 923 static int lme2510_probe(struct usb_interface *intf,
 924                 const struct usb_device_id *id)
 925 {
 926         struct usb_device *udev = interface_to_usbdev(intf);
 927         int ret = 0;
 928
 929         usb_reset_configuration(udev);
 930
 931         usb_set_interface(udev, intf->cur_altsetting->desc.bInterfaceNumber, 1);
 932
 933         if (udev->speed != USB_SPEED_HIGH) {
 934                 ret = usb_reset_device(udev);
 935                 info("DEV Failed to connect in HIGH SPEED mode");
 936                 return -ENODEV;
 937         }
 938
 939         lme_firmware_switch(udev, 0);
 940
 941         if (0 == dvb_usb_device_init(intf, &lme2510_properties,
 942                                      THIS_MODULE, NULL, adapter_nr)) {
 943                 info("DEV registering device driver");
 944                 return 0;
 945         }
 946         if (0 == dvb_usb_device_init(intf, &lme2510c_properties,
 947                                      THIS_MODULE, NULL, adapter_nr)) {
 948                 info("DEV registering device driver");
 949                 return 0;
 950         }
 951
 952         info("DEV lme2510 Error");
 953         return -ENODEV;
 954
 955 }
 956
 957 static struct usb_device_id lme2510_table[] = {
 958         { USB_DEVICE(0x3344, 0x1122) },  /* LME2510 */
 959         { USB_DEVICE(0x3344, 0x1120) },  /* LME2510C */
 960         {}              /* Terminating entry */
 961 };
 962
 963 MODULE_DEVICE_TABLE(usb, lme2510_table);
 964
 965 static struct dvb_usb_device_properties lme2510_properties = {
 966         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 967         .usb_ctrl = DEVICE_SPECIFIC,
 968         .download_firmware = lme2510_download_firmware,
 969         .firmware = "dvb-usb-lme2510-lg.fw",
 970
 971         .size_of_priv = sizeof(struct lme2510_state),
 972         .num_adapters = 1,
 973         .adapter = {
 974                 {
 975                         .streaming_ctrl   = lme2510_streaming_ctrl,
 976                         .frontend_attach  = dm04_lme2510_frontend_attach,
 977                         .tuner_attach = dm04_lme2510_tuner,
 978                         /* parameter for the MPEG2-data transfer */
 979                         .stream = {
 980                                 .type = USB_BULK,
 981                                 .count = 10,
 982                                 .endpoint = 0x06,
 983                                 .u = {
 984                                         .bulk = {
 985                                                 .buffersize = 4096,
 986
 987                                         }
 988                                 }
 989                         }
 990                 }
 991         },
 992         .power_ctrl       = lme2510_powerup,
 993         .identify_state   = lme2510_identify_state,
 994         .i2c_algo         = &lme2510_i2c_algo,
 995         .generic_bulk_ctrl_endpoint = 0,
 996         .num_device_descs = 1,
 997         .devices = {
 998                 {   "DM04_LME2510_DVB-S",
 999                         { &lme2510_table[0], NULL },
1000                         },
1001
1002         }
1003 };
1004
1005 static struct dvb_usb_device_properties lme2510c_properties = {
1006         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
1007         .usb_ctrl = DEVICE_SPECIFIC,
1008         .download_firmware = lme2510_download_firmware,
1009         .firmware = (const char *)&lme_firmware,
1010         .size_of_priv = sizeof(struct lme2510_state),
1011         .num_adapters = 1,
1012         .adapter = {
1013                 {
1014                         .streaming_ctrl   = lme2510_streaming_ctrl,
1015                         .frontend_attach  = dm04_lme2510_frontend_attach,
1016                         .tuner_attach = dm04_lme2510_tuner,
1017                         /* parameter for the MPEG2-data transfer */
1018                         .stream = {
1019                                 .type = USB_BULK,
1020                                 .count = 10,
1021                                 .endpoint = 0x8,
1022                                 .u = {
1023                                         .bulk = {
1024                                                 .buffersize = 4096,
1025
1026                                         }
1027                                 }
1028                         }
1029                 }
1030         },
1031         .power_ctrl       = lme2510_powerup,
1032         .identify_state   = lme2510_identify_state,
1033         .i2c_algo         = &lme2510_i2c_algo,
1034         .generic_bulk_ctrl_endpoint = 0,
1035         .num_device_descs = 1,
1036         .devices = {
1037                 {   "DM04_LME2510C_DVB-S",
1038                         { &lme2510_table[1], NULL },
1039                         },
1040         }
1041 };
1042
1043 void *lme2510_exit_int(struct dvb_usb_device *d)
1044 {
1045         struct lme2510_state *st = d->priv;
1046         struct dvb_usb_adapter *adap = &d->adapter[0];
1047         void *buffer = NULL;
1048
1049         if (adap != NULL) {
1050                 lme2510_kill_urb(&adap->stream);
1051                 adap->feedcount = 0;
1052         }
1053
1054         if (st->lme_urb != NULL) {
1055                 st->i2c_talk_onoff = 1;
1056                 st->signal_lock = 0;
1057                 st->signal_level = 0;
1058                 st->signal_sn = 0;
1059                 buffer = st->usb_buffer;
1060                 usb_kill_urb(st->lme_urb);
1061                 usb_free_coherent(d->udev, 5000, st->buffer,
1062                                   st->lme_urb->transfer_dma);
1063                 info("Interupt Service Stopped");
1064                 rc_unregister_device(d->rc_dev);
1065                 info("Remote Stopped");
1066         }
1067         return buffer;
1068 }
1069
1070 void lme2510_exit(struct usb_interface *intf)
1071 {
1072         struct dvb_usb_device *d = usb_get_intfdata(intf);
1073         void *usb_buffer;
1074
1075         if (d != NULL) {
1076                 usb_buffer = lme2510_exit_int(d);
1077                 dvb_usb_device_exit(intf);
1078                 kfree(usb_buffer);
1079         }
1080 }
1081
1082 static struct usb_driver lme2510_driver = {
1083         .name           = "LME2510C_DVB-S",
1084         .probe          = lme2510_probe,
1085         .disconnect     = lme2510_exit,
1086         .id_table       = lme2510_table,
1087 };
1088
1089 /* module stuff */
1090 static int __init lme2510_module_init(void)
1091 {
1092         int result = usb_register(&lme2510_driver);
1093         if (result) {
1094                 err("usb_register failed. Error number %d", result);
1095                 return result;
1096         }
1097
1098         return 0;
1099 }
1100
1101 static void __exit lme2510_module_exit(void)
1102 {
1103         /* deregister this driver from the USB subsystem */
1104         usb_deregister(&lme2510_driver);
1105 }
1106
1107 module_init(lme2510_module_init);
1108 module_exit(lme2510_module_exit);
1109
1110 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
1111 MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0");
1112 MODULE_VERSION("1.75");
1113 MODULE_LICENSE("GPL");