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/ir-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         u8 one_tune;
 116         void *buffer;
 117         struct urb *lme_urb;
 118         void *usb_buffer;
 119
 120 };
 121
 122 static int lme2510_bulk_write(struct usb_device *dev,
 123                                 u8 *snd, int len, u8 pipe)
 124 {
 125         int ret, actual_l;
 126
 127         ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
 128                                 snd, len , &actual_l, 500);
 129         return ret;
 130 }
 131
 132 static int lme2510_bulk_read(struct usb_device *dev,
 133                                 u8 *rev, int len, u8 pipe)
 134 {
 135         int ret, actual_l;
 136
 137         ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
 138                                  rev, len , &actual_l, 500);
 139         return ret;
 140 }
 141
 142 static int lme2510_usb_talk(struct dvb_usb_device *d,
 143                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
 144 {
 145         struct lme2510_state *st = d->priv;
 146         u8 *buff;
 147         int ret = 0;
 148
 149         if (st->usb_buffer == NULL) {
 150                 st->usb_buffer = kmalloc(512, GFP_KERNEL);
 151                 if (st->usb_buffer == NULL) {
 152                         info("MEM Error no memory");
 153                         return -ENOMEM;
 154                 }
 155         }
 156         buff = st->usb_buffer;
 157
 158         /* the read/write capped at 512 */
 159         memcpy(buff, wbuf, (wlen > 512) ? 512 : wlen);
 160
 161         ret = mutex_lock_interruptible(&d->usb_mutex);
 162
 163         if (ret < 0)
 164                 return -EAGAIN;
 165
 166         ret |= usb_clear_halt(d->udev, usb_sndbulkpipe(d->udev, 0x01));
 167
 168         ret |= lme2510_bulk_write(d->udev, buff, wlen , 0x01);
 169
 170         msleep(12);
 171
 172         ret |= usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x01));
 173
 174         ret |= lme2510_bulk_read(d->udev, buff, (rlen > 512) ?
 175                         512 : rlen , 0x01);
 176
 177         if (rlen > 0)
 178                 memcpy(rbuf, buff, rlen);
 179
 180         mutex_unlock(&d->usb_mutex);
 181
 182         return (ret < 0) ? -ENODEV : 0;
 183 }
 184
 185 static int lme2510_usb_talk_restart(struct dvb_usb_device *d,
 186                 u8 *wbuf, int wlen, u8 *rbuf, int rlen) {
 187         static u8 stream_on[] = LME_ST_ON_W;
 188         int ret;
 189         u8 rbuff[10];
 190         /*Send Normal Command*/
 191         ret = lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 192         /*Restart Stream Command*/
 193         ret |= lme2510_usb_talk(d, stream_on, sizeof(stream_on),
 194                         rbuff, sizeof(rbuff));
 195         return ret;
 196 }
 197 static int lme2510_remote_keypress(struct dvb_usb_adapter *adap, u16 keypress)
 198 {
 199         struct dvb_usb_device *d = adap->dev;
 200
 201         deb_info(1, "INT Key Keypress =%04x", keypress);
 202
 203         if (keypress > 0)
 204                 ir_keydown(d->rc_input_dev, keypress, 0);
 205
 206         return 0;
 207 }
 208
 209 static void lme2510_int_response(struct urb *lme_urb)
 210 {
 211         struct dvb_usb_adapter *adap = lme_urb->context;
 212         struct lme2510_state *st = adap->dev->priv;
 213         static u8 *ibuf, *rbuf;
 214         int i = 0, offset;
 215
 216         switch (lme_urb->status) {
 217         case 0:
 218         case -ETIMEDOUT:
 219                 break;
 220         case -ECONNRESET:
 221         case -ENOENT:
 222         case -ESHUTDOWN:
 223                 return;
 224         default:
 225                 info("Error %x", lme_urb->status);
 226                 break;
 227         }
 228
 229         rbuf = (u8 *) lme_urb->transfer_buffer;
 230
 231         offset = ((lme_urb->actual_length/8) > 4)
 232                         ? 4 : (lme_urb->actual_length/8) ;
 233
 234         for (i = 0; i < offset; ++i) {
 235                 ibuf = (u8 *)&rbuf[i*8];
 236                 deb_info(5, "INT O/S C =%02x C/O=%02x Type =%02x%02x",
 237                 offset, i, ibuf[0], ibuf[1]);
 238
 239                 switch (ibuf[0]) {
 240                 case 0xaa:
 241                         debug_data_snipet(1, "INT Remote data snipet in", ibuf);
 242                         lme2510_remote_keypress(adap,
 243                                 (u16)(ibuf[4]<<8)+ibuf[5]);
 244                         break;
 245                 case 0xbb:
 246                         switch (st->tuner_config) {
 247                         case TUNER_LG:
 248                                 if (ibuf[2] > 0)
 249                                         st->signal_lock = ibuf[2];
 250                                 st->signal_level = ibuf[4];
 251                                 st->signal_sn = ibuf[3];
 252                                 st->time_key = ibuf[7];
 253                                 break;
 254                         case TUNER_S7395:
 255                                 /* Tweak for earlier firmware*/
 256                                 if (ibuf[1] == 0x03) {
 257                                         st->signal_level = ibuf[3];
 258                                         st->signal_sn = ibuf[4];
 259                                 } else {
 260                                         st->signal_level = ibuf[4];
 261                                         st->signal_sn = ibuf[5];
 262                                 }
 263                                 break;
 264                         default:
 265                                 break;
 266                         }
 267                         debug_data_snipet(5, "INT Remote data snipet in", ibuf);
 268                 break;
 269                 case 0xcc:
 270                         debug_data_snipet(1, "INT Control data snipet", ibuf);
 271                         break;
 272                 default:
 273                         debug_data_snipet(1, "INT Unknown data snipet", ibuf);
 274                 break;
 275                 }
 276         }
 277         usb_submit_urb(lme_urb, GFP_ATOMIC);
 278 }
 279
 280 static int lme2510_int_read(struct dvb_usb_adapter *adap)
 281 {
 282         struct lme2510_state *lme_int = adap->dev->priv;
 283
 284         lme_int->lme_urb = usb_alloc_urb(0, GFP_ATOMIC);
 285
 286         if (lme_int->lme_urb == NULL)
 287                         return -ENOMEM;
 288
 289         lme_int->buffer = usb_alloc_coherent(adap->dev->udev, 5000, GFP_ATOMIC,
 290                                         &lme_int->lme_urb->transfer_dma);
 291
 292         if (lme_int->buffer == NULL)
 293                         return -ENOMEM;
 294
 295         usb_fill_int_urb(lme_int->lme_urb,
 296                                 adap->dev->udev,
 297                                 usb_rcvintpipe(adap->dev->udev, 0xa),
 298                                 lme_int->buffer,
 299                                 4096,
 300                                 lme2510_int_response,
 301                                 adap,
 302                                 11);
 303
 304         lme_int->lme_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 305
 306         usb_submit_urb(lme_int->lme_urb, GFP_ATOMIC);
 307         info("INT Interupt Service Started");
 308
 309         return 0;
 310 }
 311
 312 static int lme2510_return_status(struct usb_device *dev)
 313 {
 314         int ret = 0;
 315         u8 data[10] = {0};
 316
 317         ret |= usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 318                         0x06, 0x80, 0x0302, 0x00, data, 0x0006, 200);
 319         info("Firmware Status: %x (%x)", ret , data[2]);
 320
 321         return (ret < 0) ? -ENODEV : data[2];
 322 }
 323
 324 static int lme2510_msg(struct dvb_usb_device *d,
 325                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
 326 {
 327         int ret = 0;
 328         struct lme2510_state *st = d->priv;
 329
 330         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 331                         return -EAGAIN;
 332
 333         if (st->i2c_talk_onoff == 1) {
 334
 335                 ret = lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 336
 337                 switch (st->tuner_config) {
 338                 case TUNER_LG:
 339                         if (wbuf[2] == 0x1c) {
 340                                 if (wbuf[3] == 0x0e) {
 341                                         st->signal_lock = rbuf[1];
 342                                         if ((st->stream_on & 1) &&
 343                                                 (st->signal_lock & 0x10)) {
 344                                                 lme2510_usb_talk_restart(d,
 345                                                         wbuf, wlen, rbuf, rlen);
 346                                                 st->i2c_talk_onoff = 0;
 347                                         }
 348                                 msleep(80);
 349                                 }
 350                         }
 351                         break;
 352                 case TUNER_S7395:
 353                         if (wbuf[2] == 0xd0) {
 354                                 if (wbuf[3] == 0x24) {
 355                                         st->signal_lock = rbuf[1];
 356                                         if ((st->stream_on & 1) &&
 357                                                 (st->signal_lock & 0x8)) {
 358                                                 lme2510_usb_talk_restart(d,
 359                                                         wbuf, wlen, rbuf, rlen);
 360                                                 st->i2c_talk_onoff = 0;
 361                                         }
 362                                 }
 363                                 if ((wbuf[3] != 0x6) & (wbuf[3] != 0x5))
 364                                         msleep(5);
 365
 366
 367                         }
 368                         break;
 369                 default:
 370                         break;
 371                 }
 372         } else {
 373                 switch (st->tuner_config) {
 374                 case TUNER_LG:
 375                         switch (wbuf[3]) {
 376                         case 0x0e:
 377                                 rbuf[0] = 0x55;
 378                                 rbuf[1] = st->signal_lock;
 379                                 break;
 380                         case 0x43:
 381                                 rbuf[0] = 0x55;
 382                                 rbuf[1] = st->signal_level;
 383                                 break;
 384                         case 0x1c:
 385                                 rbuf[0] = 0x55;
 386                                 rbuf[1] = st->signal_sn;
 387                                 break;
 388                         /*DiSEqC functions as per TDA10086*/
 389                         case 0x36:
 390                         case 0x48:
 391                         case 0x49:
 392                         case 0x4a:
 393                         case 0x4b:
 394                         case 0x4c:
 395                         case 0x4d:
 396                         if (wbuf[2] == 0x1c)
 397                                         lme2510_usb_talk_restart(d,
 398                                                 wbuf, wlen, rbuf, rlen);
 399                         default:
 400                                 break;
 401                         }
 402                         break;
 403                 case TUNER_S7395:
 404                         switch (wbuf[3]) {
 405                         case 0x10:
 406                                 rbuf[0] = 0x55;
 407                                 rbuf[1] = (st->signal_level & 0x80)
 408                                                 ? 0 : (st->signal_level * 2);
 409                                 break;
 410                         case 0x2d:
 411                                 rbuf[0] = 0x55;
 412                                 rbuf[1] = st->signal_sn;
 413                                 break;
 414                         case 0x24:
 415                                 rbuf[0] = 0x55;
 416                                 rbuf[1] = (st->signal_level & 0x80)
 417                                                 ? 0 : st->signal_lock;
 418                                 break;
 419                         case 0x6:
 420                                 if (wbuf[2] == 0xd0)
 421                                         lme2510_usb_talk(d,
 422                                                 wbuf, wlen, rbuf, rlen);
 423                                 break;
 424                         case 0x1:
 425                                 if (st->one_tune > 0)
 426                                         break;
 427                                 st->one_tune++;
 428                                 st->i2c_talk_onoff = 1;
 429                         /*DiSEqC functions as per STV0288*/
 430                         case 0x5:
 431                         case 0x7:
 432                         case 0x8:
 433                         case 0x9:
 434                         case 0xa:
 435                         case 0xb:
 436                                 if (wbuf[2] == 0xd0)
 437                                         lme2510_usb_talk_restart(d,
 438                                                 wbuf, wlen, rbuf, rlen);
 439                                 break;
 440                         default:
 441                                 rbuf[0] = 0x55;
 442                                 rbuf[1] = 0x00;
 443                                 break;
 444                         }
 445                         break;
 446                 default:
 447                         break;
 448
 449                 }
 450
 451                 deb_info(4, "I2C From Interupt Message out(%02x) in(%02x)",
 452                                 wbuf[3], rbuf[1]);
 453
 454         }
 455
 456         mutex_unlock(&d->i2c_mutex);
 457
 458         return ret;
 459 }
 460
 461
 462 static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 463                                  int num)
 464 {
 465         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 466         struct lme2510_state *st = d->priv;
 467         static u8 obuf[64], ibuf[512];
 468         int i, read, read_o;
 469         u16 len;
 470         u8 gate = st->i2c_gate;
 471
 472         if (gate == 0)
 473                 gate = 5;
 474
 475         if (num > 2)
 476                 warn("more than 2 i2c messages"
 477                         "at a time is not handled yet.  TODO.");
 478
 479         for (i = 0; i < num; i++) {
 480                 read_o = 1 & (msg[i].flags & I2C_M_RD);
 481                 read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
 482                 read |= read_o;
 483                 gate = (msg[i].addr == st->i2c_tuner_addr)
 484                         ? (read)        ? st->i2c_tuner_gate_r
 485                                         : st->i2c_tuner_gate_w
 486                         : st->i2c_gate;
 487                 obuf[0] = gate | (read << 7);
 488
 489                 if (gate == 5)
 490                         obuf[1] = (read) ? 2 : msg[i].len + 1;
 491                 else
 492                         obuf[1] = msg[i].len + read + 1;
 493
 494                 obuf[2] = msg[i].addr;
 495                 if (read) {
 496                         if (read_o)
 497                                 len = 3;
 498                         else {
 499                                 memcpy(&obuf[3], msg[i].buf, msg[i].len);
 500                                 obuf[msg[i].len+3] = msg[i+1].len;
 501                                 len = msg[i].len+4;
 502                         }
 503                 } else {
 504                         memcpy(&obuf[3], msg[i].buf, msg[i].len);
 505                         len = msg[i].len+3;
 506                 }
 507
 508                 if (lme2510_msg(d, obuf, len, ibuf, 512) < 0) {
 509                         deb_info(1, "i2c transfer failed.");
 510                         return -EAGAIN;
 511                 }
 512
 513                 if (read) {
 514                         if (read_o)
 515                                 memcpy(msg[i].buf, &ibuf[1], msg[i].len);
 516                         else {
 517                                 memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len);
 518                                 i++;
 519                         }
 520                 }
 521         }
 522         return i;
 523 }
 524
 525 static u32 lme2510_i2c_func(struct i2c_adapter *adapter)
 526 {
 527         return I2C_FUNC_I2C;
 528 }
 529
 530 static struct i2c_algorithm lme2510_i2c_algo = {
 531         .master_xfer   = lme2510_i2c_xfer,
 532         .functionality = lme2510_i2c_func,
 533 };
 534
 535 /* Callbacks for DVB USB */
 536 static int lme2510_identify_state(struct usb_device *udev,
 537                 struct dvb_usb_device_properties *props,
 538                 struct dvb_usb_device_description **desc,
 539                 int *cold)
 540 {
 541         if (lme2510_return_status(udev) == 0x44)
 542                 *cold = 1;
 543         else
 544                 *cold = 0;
 545         return 0;
 546 }
 547
 548 static int lme2510_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 549 {
 550         struct lme2510_state *st = adap->dev->priv;
 551         static u8 stream_on[] = LME_ST_ON_W;
 552         static u8 clear_reg_3[] =  LME_CLEAR_PID;
 553         static u8 rbuf[1];
 554         static u8 timeout;
 555         int ret = 0, len = 2, rlen = sizeof(rbuf);
 556
 557         deb_info(1, "STM  (%02x)", onoff);
 558
 559         if (onoff == 1) {
 560                 st->i2c_talk_onoff = 0;
 561                 timeout = 0;
 562                 /* wait for i2C to be free */
 563                 while (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0) {
 564                         timeout++;
 565                         if (timeout > 5)
 566                                 return -ENODEV;
 567                 }
 568                 msleep(100);
 569                 ret |= lme2510_usb_talk(adap->dev,
 570                                  stream_on,  len, rbuf, rlen);
 571                 st->stream_on = 1;
 572                 st->one_tune = 0;
 573                 mutex_unlock(&adap->dev->i2c_mutex);
 574         } else {
 575                 deb_info(1, "STM Steam Off");
 576                 ret |= lme2510_usb_talk(adap->dev, clear_reg_3,
 577                                 sizeof(clear_reg_3), rbuf, rlen);
 578                 st->stream_on = 0;
 579                 st->i2c_talk_onoff = 1;
 580         }
 581
 582         return (ret < 0) ? -ENODEV : 0;
 583 }
 584
 585 static int lme2510_int_service(struct dvb_usb_adapter *adap)
 586 {
 587         struct dvb_usb_device *d = adap->dev;
 588         struct input_dev *input_dev;
 589         char *ir_codes = RC_MAP_LME2510;
 590         int ret = 0;
 591
 592         info("STA Configuring Remote");
 593
 594         usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys));
 595
 596         strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys));
 597
 598         input_dev = input_allocate_device();
 599         if (!input_dev)
 600                 return -ENOMEM;
 601
 602         input_dev->name = "LME2510 Remote Control";
 603         input_dev->phys = d->rc_phys;
 604
 605         usb_to_input_id(d->udev, &input_dev->id);
 606
 607         ret |= ir_input_register(input_dev, ir_codes, NULL, "LME 2510");
 608
 609         if (ret) {
 610                 input_free_device(input_dev);
 611                 return ret;
 612         }
 613
 614         d->rc_input_dev = input_dev;
 615         /* Start the Interupt */
 616         ret = lme2510_int_read(adap);
 617
 618         if (ret < 0) {
 619                 ir_input_unregister(input_dev);
 620                 input_free_device(input_dev);
 621         }
 622         return (ret < 0) ? -ENODEV : 0;
 623 }
 624
 625 static u8 check_sum(u8 *p, u8 len)
 626 {
 627         u8 sum = 0;
 628         while (len--)
 629                 sum += *p++;
 630         return sum;
 631 }
 632
 633 static int lme2510_download_firmware(struct usb_device *dev,
 634                                         const struct firmware *fw)
 635 {
 636         int ret = 0;
 637         u8 data[512] = {0};
 638         u16 j, wlen, len_in, start, end;
 639         u8 packet_size, dlen, i;
 640         u8 *fw_data;
 641
 642         packet_size = 0x31;
 643         len_in = 1;
 644
 645
 646         info("FRM Starting Firmware Download");
 647
 648         for (i = 1; i < 3; i++) {
 649                 start = (i == 1) ? 0 : 512;
 650                 end = (i == 1) ? 512 : fw->size;
 651                 for (j = start; j < end; j += (packet_size+1)) {
 652                         fw_data = (u8 *)(fw->data + j);
 653                         if ((end - j) > packet_size) {
 654                                 data[0] = i;
 655                                 dlen = packet_size;
 656                         } else {
 657                                 data[0] = i | 0x80;
 658                                 dlen = (u8)(end - j)-1;
 659                         }
 660                 data[1] = dlen;
 661                 memcpy(&data[2], fw_data, dlen+1);
 662                 wlen = (u8) dlen + 4;
 663                 data[wlen-1] = check_sum(fw_data, dlen+1);
 664                 deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3],
 665                                 data[dlen+2], data[dlen+3]);
 666                 ret |= lme2510_bulk_write(dev, data,  wlen, 1);
 667                 ret |= lme2510_bulk_read(dev, data, len_in , 1);
 668                 ret |= (data[0] == 0x88) ? 0 : -1;
 669                 }
 670         }
 671         usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 672                         0x06, 0x80, 0x0200, 0x00, data, 0x0109, 1000);
 673
 674
 675         data[0] = 0x8a;
 676         len_in = 1;
 677         msleep(2000);
 678         ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Resetting*/
 679         ret |= lme2510_bulk_read(dev, data, len_in, 1);
 680         msleep(400);
 681
 682         if (ret < 0)
 683                 info("FRM Firmware Download Failed (%04x)" , ret);
 684         else
 685                 info("FRM Firmware Download Completed - Resetting Device");
 686
 687
 688         return (ret < 0) ? -ENODEV : 0;
 689 }
 690
 691 /* Default firmware for LME2510C */
 692 const char lme_firmware[50] = "dvb-usb-lme2510c-s7395.fw";
 693
 694 static void lme_coldreset(struct usb_device *dev)
 695 {
 696         int ret = 0, len_in;
 697         u8 data[512] = {0};
 698
 699         data[0] = 0x0a;
 700         len_in = 1;
 701         info("FRM Firmware Cold Reset");
 702         ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Cold Resetting*/
 703         ret |= lme2510_bulk_read(dev, data, len_in, 1);
 704         return;
 705 }
 706
 707 static void lme_firmware_switch(struct usb_device *udev, int cold)
 708 {
 709         const struct firmware *fw = NULL;
 710         char lme2510c_s7395[] = "dvb-usb-lme2510c-s7395.fw";
 711         char lme2510c_lg[] = "dvb-usb-lme2510c-lg.fw";
 712         char *firm_msg[] = {"Loading", "Switching to"};
 713         int ret;
 714
 715         if (udev->descriptor.idProduct == 0x1122)
 716                 return;
 717
 718         switch (dvb_usb_lme2510_firmware) {
 719         case 0:
 720         default:
 721                 memcpy(&lme_firmware, lme2510c_s7395, sizeof(lme2510c_s7395));
 722                 ret = request_firmware(&fw, lme_firmware, &udev->dev);
 723                 if (ret == 0) {
 724                         info("FRM %s S7395 Firmware", firm_msg[cold]);
 725                         break;
 726                 }
 727                 if (cold == 0)
 728                         dvb_usb_lme2510_firmware = 1;
 729                 else
 730                         cold = 0;
 731         case 1:
 732                 memcpy(&lme_firmware, lme2510c_lg, sizeof(lme2510c_lg));
 733                 ret = request_firmware(&fw, lme_firmware, &udev->dev);
 734                 if (ret == 0) {
 735                         info("FRM %s LG Firmware", firm_msg[cold]);
 736                         break;
 737                 }
 738                 info("FRM No Firmware Found - please install");
 739                 dvb_usb_lme2510_firmware = 0;
 740                 cold = 0;
 741                 break;
 742         }
 743         release_firmware(fw);
 744         if (cold)
 745                 lme_coldreset(udev);
 746         return;
 747 }
 748
 749 static int lme2510_kill_urb(struct usb_data_stream *stream)
 750 {
 751         int i;
 752         for (i = 0; i < stream->urbs_submitted; i++) {
 753                 deb_info(3, "killing URB no. %d.", i);
 754
 755                 /* stop the URB */
 756                 usb_kill_urb(stream->urb_list[i]);
 757         }
 758         stream->urbs_submitted = 0;
 759         return 0;
 760 }
 761
 762 static struct tda10086_config tda10086_config = {
 763         .demod_address = 0x1c,
 764         .invert = 0,
 765         .diseqc_tone = 1,
 766         .xtal_freq = TDA10086_XTAL_16M,
 767 };
 768
 769 static struct stv0288_config lme_config = {
 770         .demod_address = 0xd0,
 771         .min_delay_ms = 15,
 772         .inittab = s7395_inittab,
 773 };
 774
 775 static struct ix2505v_config lme_tuner = {
 776         .tuner_address = 0xc0,
 777         .min_delay_ms = 100,
 778         .tuner_gain = 0x0,
 779         .tuner_chargepump = 0x3,
 780 };
 781
 782 static int dm04_lme2510_set_voltage(struct dvb_frontend *fe,
 783                                         fe_sec_voltage_t voltage)
 784 {
 785         struct dvb_usb_adapter *adap = fe->dvb->priv;
 786         struct lme2510_state *st = adap->dev->priv;
 787         static u8 voltage_low[] = LME_VOLTAGE_L;
 788         static u8 voltage_high[] = LME_VOLTAGE_H;
 789         static u8 lnb_on[] = LNB_ON;
 790         static u8 lnb_off[] = LNB_OFF;
 791         static u8 rbuf[1];
 792         int ret = 0, len = 3, rlen = 1;
 793
 794         if (st->stream_on == 1)
 795                 return 0;
 796
 797         ret |= lme2510_usb_talk(adap->dev, lnb_on, len, rbuf, rlen);
 798
 799         switch (voltage) {
 800         case SEC_VOLTAGE_18:
 801                 ret |= lme2510_usb_talk(adap->dev,
 802                         voltage_high, len, rbuf, rlen);
 803                 break;
 804
 805         case SEC_VOLTAGE_OFF:
 806                 ret |= lme2510_usb_talk(adap->dev,
 807                                         lnb_off, len, rbuf, rlen);
 808         case SEC_VOLTAGE_13:
 809         default:
 810                 ret |= lme2510_usb_talk(adap->dev,
 811                                 voltage_low, len, rbuf, rlen);
 812                 break;
 813
 814
 815         };
 816         st->i2c_talk_onoff = 1;
 817         return (ret < 0) ? -ENODEV : 0;
 818 }
 819
 820 static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
 821 {
 822         int ret = 0;
 823         struct lme2510_state *st = adap->dev->priv;
 824
 825         /* Interupt Start  */
 826         ret = lme2510_int_service(adap);
 827         if (ret < 0) {
 828                 info("INT Unable to start Interupt Service");
 829                 return -ENODEV;
 830         }
 831
 832         st->i2c_talk_onoff = 1;
 833         st->i2c_gate = 4;
 834
 835         adap->fe = dvb_attach(tda10086_attach, &tda10086_config,
 836                 &adap->dev->i2c_adap);
 837
 838         if (adap->fe) {
 839                 info("TUN Found Frontend TDA10086");
 840                 memcpy(&adap->fe->ops.info.name,
 841                                 &"DM04_LG_TDQY-P001F DVB-S", 24);
 842                 adap->fe->ops.set_voltage = dm04_lme2510_set_voltage;
 843                 st->i2c_tuner_gate_w = 4;
 844                 st->i2c_tuner_gate_r = 4;
 845                 st->i2c_tuner_addr = 0xc0;
 846                 if (dvb_attach(tda826x_attach, adap->fe, 0xc0,
 847                         &adap->dev->i2c_adap, 1)) {
 848                         info("TUN TDA8263 Found");
 849                         st->tuner_config = TUNER_LG;
 850                         if (dvb_usb_lme2510_firmware != 1) {
 851                                 dvb_usb_lme2510_firmware = 1;
 852                                 lme_firmware_switch(adap->dev->udev, 1);
 853                         }
 854                         return 0;
 855                 }
 856                 kfree(adap->fe);
 857                 adap->fe = NULL;
 858         }
 859         st->i2c_gate = 5;
 860         adap->fe = dvb_attach(stv0288_attach, &lme_config,
 861                         &adap->dev->i2c_adap);
 862
 863         if (adap->fe) {
 864                 info("FE Found Stv0288");
 865                 memcpy(&adap->fe->ops.info.name,
 866                                 &"DM04_SHARP:BS2F7HZ7395", 22);
 867                 adap->fe->ops.set_voltage = dm04_lme2510_set_voltage;
 868                 st->i2c_tuner_gate_w = 4;
 869                 st->i2c_tuner_gate_r = 5;
 870                 st->i2c_tuner_addr = 0xc0;
 871                 if (dvb_attach(ix2505v_attach , adap->fe, &lme_tuner,
 872                                         &adap->dev->i2c_adap)) {
 873                         st->tuner_config = TUNER_S7395;
 874                         info("TUN Sharp IX2505V silicon tuner");
 875                         if (dvb_usb_lme2510_firmware != 0) {
 876                                 dvb_usb_lme2510_firmware = 0;
 877                                 lme_firmware_switch(adap->dev->udev, 1);
 878                         }
 879                         return 0;
 880                 }
 881                 kfree(adap->fe);
 882                 adap->fe = NULL;
 883         }
 884
 885         info("DM04 Not Supported");
 886         return -ENODEV;
 887 }
 888
 889 static int lme2510_powerup(struct dvb_usb_device *d, int onoff)
 890 {
 891         struct lme2510_state *st = d->priv;
 892         st->i2c_talk_onoff = 1;
 893         return 0;
 894 }
 895
 896 /* DVB USB Driver stuff */
 897 static struct dvb_usb_device_properties lme2510_properties;
 898 static struct dvb_usb_device_properties lme2510c_properties;
 899
 900 static int lme2510_probe(struct usb_interface *intf,
 901                 const struct usb_device_id *id)
 902 {
 903         struct usb_device *udev = interface_to_usbdev(intf);
 904         int ret = 0;
 905
 906         usb_reset_configuration(udev);
 907
 908         usb_set_interface(udev, intf->cur_altsetting->desc.bInterfaceNumber, 1);
 909
 910         if (udev->speed != USB_SPEED_HIGH) {
 911                 ret = usb_reset_device(udev);
 912                 info("DEV Failed to connect in HIGH SPEED mode");
 913                 return -ENODEV;
 914         }
 915
 916         lme_firmware_switch(udev, 0);
 917
 918         if (0 == dvb_usb_device_init(intf, &lme2510_properties,
 919                                      THIS_MODULE, NULL, adapter_nr)) {
 920                 info("DEV registering device driver");
 921                 return 0;
 922         }
 923         if (0 == dvb_usb_device_init(intf, &lme2510c_properties,
 924                                      THIS_MODULE, NULL, adapter_nr)) {
 925                 info("DEV registering device driver");
 926                 return 0;
 927         }
 928
 929         info("DEV lme2510 Error");
 930         return -ENODEV;
 931
 932 }
 933
 934 static struct usb_device_id lme2510_table[] = {
 935         { USB_DEVICE(0x3344, 0x1122) },  /* LME2510 */
 936         { USB_DEVICE(0x3344, 0x1120) },  /* LME2510C */
 937         {}              /* Terminating entry */
 938 };
 939
 940 MODULE_DEVICE_TABLE(usb, lme2510_table);
 941
 942 static struct dvb_usb_device_properties lme2510_properties = {
 943         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 944         .usb_ctrl = DEVICE_SPECIFIC,
 945         .download_firmware = lme2510_download_firmware,
 946         .firmware = "dvb-usb-lme2510-lg.fw",
 947
 948         .size_of_priv = sizeof(struct lme2510_state),
 949         .num_adapters = 1,
 950         .adapter = {
 951                 {
 952                         .streaming_ctrl   = lme2510_streaming_ctrl,
 953                         .frontend_attach  = dm04_lme2510_frontend_attach,
 954                         /* parameter for the MPEG2-data transfer */
 955                         .stream = {
 956                                 .type = USB_BULK,
 957                                 .count = 10,
 958                                 .endpoint = 0x06,
 959                                 .u = {
 960                                         .bulk = {
 961                                                 .buffersize = 4096,
 962
 963                                         }
 964                                 }
 965                         }
 966                 }
 967         },
 968         .power_ctrl       = lme2510_powerup,
 969         .identify_state   = lme2510_identify_state,
 970         .i2c_algo         = &lme2510_i2c_algo,
 971         .generic_bulk_ctrl_endpoint = 0,
 972         .num_device_descs = 1,
 973         .devices = {
 974                 {   "DM04 LME2510 DVB-S USB 2.0",
 975                         { &lme2510_table[0], NULL },
 976                         },
 977
 978         }
 979 };
 980
 981 static struct dvb_usb_device_properties lme2510c_properties = {
 982         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 983         .usb_ctrl = DEVICE_SPECIFIC,
 984         .download_firmware = lme2510_download_firmware,
 985         .firmware = lme_firmware,
 986         .size_of_priv = sizeof(struct lme2510_state),
 987         .num_adapters = 1,
 988         .adapter = {
 989                 {
 990                         .streaming_ctrl   = lme2510_streaming_ctrl,
 991                         .frontend_attach  = dm04_lme2510_frontend_attach,
 992                         /* parameter for the MPEG2-data transfer */
 993                         .stream = {
 994                                 .type = USB_BULK,
 995                                 .count = 10,
 996                                 .endpoint = 0x8,
 997                                 .u = {
 998                                         .bulk = {
 999                                                 .buffersize = 4096,
1000
1001                                         }
1002                                 }
1003                         }
1004                 }
1005         },
1006         .power_ctrl       = lme2510_powerup,
1007         .identify_state   = lme2510_identify_state,
1008         .i2c_algo         = &lme2510_i2c_algo,
1009         .generic_bulk_ctrl_endpoint = 0,
1010         .num_device_descs = 1,
1011         .devices = {
1012                 {   "DM04 LME2510C USB2.0",
1013                         { &lme2510_table[1], NULL },
1014                         },
1015         }
1016 };
1017
1018 void *lme2510_exit_int(struct dvb_usb_device *d)
1019 {
1020         struct lme2510_state *st = d->priv;
1021         struct dvb_usb_adapter *adap = &d->adapter[0];
1022         void *buffer = NULL;
1023
1024         if (adap != NULL) {
1025                 lme2510_kill_urb(&adap->stream);
1026                 adap->feedcount = 0;
1027         }
1028
1029         if (st->lme_urb != NULL) {
1030                 st->i2c_talk_onoff = 1;
1031                 st->signal_lock = 0;
1032                 st->signal_level = 0;
1033                 st->signal_sn = 0;
1034                 buffer = st->usb_buffer;
1035                 usb_kill_urb(st->lme_urb);
1036                 usb_free_coherent(d->udev, 5000, st->buffer,
1037                                   st->lme_urb->transfer_dma);
1038                 info("Interupt Service Stopped");
1039                 ir_input_unregister(d->rc_input_dev);
1040                 info("Remote Stopped");
1041         }
1042         return buffer;
1043 }
1044
1045 void lme2510_exit(struct usb_interface *intf)
1046 {
1047         struct dvb_usb_device *d = usb_get_intfdata(intf);
1048         void *usb_buffer;
1049
1050         if (d != NULL) {
1051                 usb_buffer = lme2510_exit_int(d);
1052                 dvb_usb_device_exit(intf);
1053                 kfree(usb_buffer);
1054         }
1055 }
1056
1057 static struct usb_driver lme2510_driver = {
1058         .name           = "LME2510C_DVBS",
1059         .probe          = lme2510_probe,
1060         .disconnect     = lme2510_exit,
1061         .id_table       = lme2510_table,
1062 };
1063
1064 /* module stuff */
1065 static int __init lme2510_module_init(void)
1066 {
1067         int result = usb_register(&lme2510_driver);
1068         if (result) {
1069                 err("usb_register failed. Error number %d", result);
1070                 return result;
1071         }
1072
1073         return 0;
1074 }
1075
1076 static void __exit lme2510_module_exit(void)
1077 {
1078         /* deregister this driver from the USB subsystem */
1079         usb_deregister(&lme2510_driver);
1080 }
1081
1082 module_init(lme2510_module_init);
1083 module_exit(lme2510_module_exit);
1084
1085 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
1086 MODULE_DESCRIPTION("LM2510(C) DVB-S USB2.0");
1087 MODULE_VERSION("1.60");
1088 MODULE_LICENSE("GPL");