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  *      PID functions have been removed from this driver version due to
  66  * problems with different firmware and application versions.
  67  */
  68 #define DVB_USB_LOG_PREFIX "LME2510(C)"
  69 #include <linux/usb.h>
  70 #include <linux/usb/input.h>
  71 #include <media/rc-core.h>
  72
  73 #include "dvb-usb.h"
  74 #include "lmedm04.h"
  75 #include "tda826x.h"
  76 #include "tda10086.h"
  77 #include "stv0288.h"
  78 #include "ix2505v.h"
  79 #include "stv0299.h"
  80 #include "dvb-pll.h"
  81 #include "z0194a.h"
  82
  83
  84
  85 /* debug */
  86 static int dvb_usb_lme2510_debug;
  87 #define l_dprintk(var, level, args...) do { \
  88         if ((var >= level)) \
  89                 printk(KERN_DEBUG DVB_USB_LOG_PREFIX ": " args); \
  90 } while (0)
  91
  92 #define deb_info(level, args...) l_dprintk(dvb_usb_lme2510_debug, level, args)
  93 #define debug_data_snipet(level, name, p) \
  94          deb_info(level, name" (%02x%02x%02x%02x%02x%02x%02x%02x)", \
  95                 *p, *(p+1), *(p+2), *(p+3), *(p+4), \
  96                         *(p+5), *(p+6), *(p+7));
  97
  98
  99 module_param_named(debug, dvb_usb_lme2510_debug, int, 0644);
 100 MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))."
 101                         DVB_USB_DEBUG_STATUS);
 102
 103 static int dvb_usb_lme2510_firmware;
 104 module_param_named(firmware, dvb_usb_lme2510_firmware, int, 0644);
 105 MODULE_PARM_DESC(firmware, "set default firmware 0=Sharp7395 1=LG");
 106
 107
 108 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 109
 110 #define TUNER_DEFAULT   0x0
 111 #define TUNER_LG        0x1
 112 #define TUNER_S7395     0x2
 113 #define TUNER_S0194     0x3
 114
 115 struct lme2510_state {
 116         u8 id;
 117         u8 tuner_config;
 118         u8 signal_lock;
 119         u8 signal_level;
 120         u8 signal_sn;
 121         u8 time_key;
 122         u8 i2c_talk_onoff;
 123         u8 i2c_gate;
 124         u8 i2c_tuner_gate_w;
 125         u8 i2c_tuner_gate_r;
 126         u8 i2c_tuner_addr;
 127         u8 stream_on;
 128         void *buffer;
 129         struct urb *lme_urb;
 130         void *usb_buffer;
 131
 132 };
 133
 134 static int lme2510_bulk_write(struct usb_device *dev,
 135                                 u8 *snd, int len, u8 pipe)
 136 {
 137         int ret, actual_l;
 138
 139         ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
 140                                 snd, len , &actual_l, 100);
 141         return ret;
 142 }
 143
 144 static int lme2510_bulk_read(struct usb_device *dev,
 145                                 u8 *rev, int len, u8 pipe)
 146 {
 147         int ret, actual_l;
 148
 149         ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
 150                                  rev, len , &actual_l, 200);
 151         return ret;
 152 }
 153
 154 static int lme2510_usb_talk(struct dvb_usb_device *d,
 155                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
 156 {
 157         struct lme2510_state *st = d->priv;
 158         u8 *buff;
 159         int ret = 0;
 160
 161         if (st->usb_buffer == NULL) {
 162                 st->usb_buffer = kmalloc(512, GFP_KERNEL);
 163                 if (st->usb_buffer == NULL) {
 164                         info("MEM Error no memory");
 165                         return -ENOMEM;
 166                 }
 167         }
 168         buff = st->usb_buffer;
 169
 170         /* the read/write capped at 512 */
 171         memcpy(buff, wbuf, (wlen > 512) ? 512 : wlen);
 172
 173         ret = mutex_lock_interruptible(&d->usb_mutex);
 174
 175         if (ret < 0)
 176                 return -EAGAIN;
 177
 178         ret |= usb_clear_halt(d->udev, usb_sndbulkpipe(d->udev, 0x01));
 179
 180         ret |= lme2510_bulk_write(d->udev, buff, wlen , 0x01);
 181
 182         msleep(10);
 183
 184         ret |= usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x01));
 185
 186         ret |= lme2510_bulk_read(d->udev, buff, (rlen > 512) ?
 187                         512 : rlen , 0x01);
 188
 189         if (rlen > 0)
 190                 memcpy(rbuf, buff, rlen);
 191
 192         mutex_unlock(&d->usb_mutex);
 193
 194         return (ret < 0) ? -ENODEV : 0;
 195 }
 196
 197 static int lme2510_stream_restart(struct dvb_usb_device *d)
 198 {
 199         static u8 stream_on[] = LME_ST_ON_W;
 200         int ret;
 201         u8 rbuff[10];
 202         /*Restart Stream Command*/
 203         ret = lme2510_usb_talk(d, stream_on, sizeof(stream_on),
 204                         rbuff, sizeof(rbuff));
 205         return ret;
 206 }
 207 static int lme2510_remote_keypress(struct dvb_usb_adapter *adap, u32 keypress)
 208 {
 209         struct dvb_usb_device *d = adap->dev;
 210
 211         deb_info(1, "INT Key Keypress =%04x", keypress);
 212
 213         if (keypress > 0)
 214                 rc_keydown(d->rc_dev, keypress, 0);
 215
 216         return 0;
 217 }
 218
 219 static void lme2510_int_response(struct urb *lme_urb)
 220 {
 221         struct dvb_usb_adapter *adap = lme_urb->context;
 222         struct lme2510_state *st = adap->dev->priv;
 223         static u8 *ibuf, *rbuf;
 224         int i = 0, offset;
 225
 226         switch (lme_urb->status) {
 227         case 0:
 228         case -ETIMEDOUT:
 229                 break;
 230         case -ECONNRESET:
 231         case -ENOENT:
 232         case -ESHUTDOWN:
 233                 return;
 234         default:
 235                 info("Error %x", lme_urb->status);
 236                 break;
 237         }
 238
 239         rbuf = (u8 *) lme_urb->transfer_buffer;
 240
 241         offset = ((lme_urb->actual_length/8) > 4)
 242                         ? 4 : (lme_urb->actual_length/8) ;
 243
 244         for (i = 0; i < offset; ++i) {
 245                 ibuf = (u8 *)&rbuf[i*8];
 246                 deb_info(5, "INT O/S C =%02x C/O=%02x Type =%02x%02x",
 247                 offset, i, ibuf[0], ibuf[1]);
 248
 249                 switch (ibuf[0]) {
 250                 case 0xaa:
 251                         debug_data_snipet(1, "INT Remote data snipet in", ibuf);
 252                         lme2510_remote_keypress(adap,
 253                                 (u32)(ibuf[2] << 24) + (ibuf[3] << 16) +
 254                                 (ibuf[4] << 8) + ibuf[5]);
 255                         break;
 256                 case 0xbb:
 257                         switch (st->tuner_config) {
 258                         case TUNER_LG:
 259                                 if (ibuf[2] > 0)
 260                                         st->signal_lock = ibuf[2];
 261                                 st->signal_level = ibuf[4];
 262                                 st->signal_sn = ibuf[3];
 263                                 st->time_key = ibuf[7];
 264                                 break;
 265                         case TUNER_S7395:
 266                         case TUNER_S0194:
 267                                 /* Tweak for earlier firmware*/
 268                                 if (ibuf[1] == 0x03) {
 269                                         if (ibuf[2] > 1)
 270                                                 st->signal_lock = ibuf[2];
 271                                         st->signal_level = ibuf[3];
 272                                         st->signal_sn = ibuf[4];
 273                                 } else {
 274                                         st->signal_level = ibuf[4];
 275                                         st->signal_sn = ibuf[5];
 276                                         st->signal_lock =
 277                                                 (st->signal_lock & 0xf7) +
 278                                                 ((ibuf[2] & 0x01) << 0x03);
 279                                 }
 280                                 break;
 281                         default:
 282                                 break;
 283                         }
 284                         debug_data_snipet(5, "INT Remote data snipet in", ibuf);
 285                 break;
 286                 case 0xcc:
 287                         debug_data_snipet(1, "INT Control data snipet", ibuf);
 288                         break;
 289                 default:
 290                         debug_data_snipet(1, "INT Unknown data snipet", ibuf);
 291                 break;
 292                 }
 293         }
 294         usb_submit_urb(lme_urb, GFP_ATOMIC);
 295 }
 296
 297 static int lme2510_int_read(struct dvb_usb_adapter *adap)
 298 {
 299         struct lme2510_state *lme_int = adap->dev->priv;
 300
 301         lme_int->lme_urb = usb_alloc_urb(0, GFP_ATOMIC);
 302
 303         if (lme_int->lme_urb == NULL)
 304                         return -ENOMEM;
 305
 306         lme_int->buffer = usb_alloc_coherent(adap->dev->udev, 5000, GFP_ATOMIC,
 307                                         &lme_int->lme_urb->transfer_dma);
 308
 309         if (lme_int->buffer == NULL)
 310                         return -ENOMEM;
 311
 312         usb_fill_int_urb(lme_int->lme_urb,
 313                                 adap->dev->udev,
 314                                 usb_rcvintpipe(adap->dev->udev, 0xa),
 315                                 lme_int->buffer,
 316                                 4096,
 317                                 lme2510_int_response,
 318                                 adap,
 319                                 11);
 320
 321         lme_int->lme_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 322
 323         usb_submit_urb(lme_int->lme_urb, GFP_ATOMIC);
 324         info("INT Interrupt Service Started");
 325
 326         return 0;
 327 }
 328
 329 static int lme2510_return_status(struct usb_device *dev)
 330 {
 331         int ret = 0;
 332         u8 data[10] = {0};
 333
 334         ret |= usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 335                         0x06, 0x80, 0x0302, 0x00, data, 0x0006, 200);
 336         info("Firmware Status: %x (%x)", ret , data[2]);
 337
 338         return (ret < 0) ? -ENODEV : data[2];
 339 }
 340
 341 static int lme2510_msg(struct dvb_usb_device *d,
 342                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
 343 {
 344         int ret = 0;
 345         struct lme2510_state *st = d->priv;
 346
 347         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 348                         return -EAGAIN;
 349
 350         if (st->i2c_talk_onoff == 1) {
 351
 352                 ret = lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 353
 354                 switch (st->tuner_config) {
 355                 case TUNER_LG:
 356                         if (wbuf[2] == 0x1c) {
 357                                 if (wbuf[3] == 0x0e) {
 358                                         st->signal_lock = rbuf[1];
 359                                         if ((st->stream_on & 1) &&
 360                                                 (st->signal_lock & 0x10)) {
 361                                                 lme2510_stream_restart(d);
 362                                                 st->i2c_talk_onoff = 0;
 363                                         }
 364                                         msleep(80);
 365                                 }
 366                         }
 367                         break;
 368                 case TUNER_S7395:
 369                         if (wbuf[2] == 0xd0) {
 370                                 if (wbuf[3] == 0x24) {
 371                                         st->signal_lock = rbuf[1];
 372                                         if ((st->stream_on & 1) &&
 373                                                 (st->signal_lock & 0x8)) {
 374                                                 lme2510_stream_restart(d);
 375                                                 st->i2c_talk_onoff = 0;
 376                                         }
 377                                 }
 378                                 if ((wbuf[3] != 0x6) & (wbuf[3] != 0x5))
 379                                         msleep(5);
 380                         }
 381                         break;
 382                 case TUNER_S0194:
 383                         if (wbuf[2] == 0xd0) {
 384                                 if (wbuf[3] == 0x1b) {
 385                                         st->signal_lock = rbuf[1];
 386                                         if ((st->stream_on & 1) &&
 387                                                 (st->signal_lock & 0x8)) {
 388                                                 lme2510_stream_restart(d);
 389                                                 st->i2c_talk_onoff = 0;
 390                                         }
 391                                 }
 392                         }
 393                         break;
 394                 default:
 395                         break;
 396                 }
 397         } else {
 398                 switch (st->tuner_config) {
 399                 case TUNER_LG:
 400                         switch (wbuf[3]) {
 401                         case 0x0e:
 402                                 rbuf[0] = 0x55;
 403                                 rbuf[1] = st->signal_lock;
 404                                 break;
 405                         case 0x43:
 406                                 rbuf[0] = 0x55;
 407                                 rbuf[1] = st->signal_level;
 408                                 break;
 409                         case 0x1c:
 410                                 rbuf[0] = 0x55;
 411                                 rbuf[1] = st->signal_sn;
 412                                 break;
 413                         case 0x15:
 414                         case 0x16:
 415                         case 0x17:
 416                         case 0x18:
 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                 case TUNER_S7395:
 427                         switch (wbuf[3]) {
 428                         case 0x10:
 429                                 rbuf[0] = 0x55;
 430                                 rbuf[1] = (st->signal_level & 0x80)
 431                                                 ? 0 : (st->signal_level * 2);
 432                                 break;
 433                         case 0x2d:
 434                                 rbuf[0] = 0x55;
 435                                 rbuf[1] = st->signal_sn;
 436                                 break;
 437                         case 0x24:
 438                                 rbuf[0] = 0x55;
 439                                 rbuf[1] = st->signal_lock;
 440                                 break;
 441                         case 0x2e:
 442                         case 0x26:
 443                         case 0x27:
 444                                 rbuf[0] = 0x55;
 445                                 rbuf[1] = 0x00;
 446                                 break;
 447                         default:
 448                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 449                                 st->i2c_talk_onoff = 1;
 450                                 break;
 451                         }
 452                         break;
 453                 case TUNER_S0194:
 454                         switch (wbuf[3]) {
 455                         case 0x18:
 456                                 rbuf[0] = 0x55;
 457                                 rbuf[1] = (st->signal_level & 0x80)
 458                                                 ? 0 : (st->signal_level * 2);
 459                                 break;
 460                         case 0x24:
 461                                 rbuf[0] = 0x55;
 462                                 rbuf[1] = st->signal_sn;
 463                                 break;
 464                         case 0x1b:
 465                                 rbuf[0] = 0x55;
 466                                 rbuf[1] = st->signal_lock;
 467                                 break;
 468                         case 0x19:
 469                         case 0x25:
 470                         case 0x1e:
 471                         case 0x1d:
 472                                 rbuf[0] = 0x55;
 473                                 rbuf[1] = 0x00;
 474                                 break;
 475                         default:
 476                                 lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
 477                                 st->i2c_talk_onoff = 1;
 478                                 break;
 479                         }
 480                         break;
 481                 default:
 482                         break;
 483                 }
 484
 485                 deb_info(4, "I2C From Interrupt Message out(%02x) in(%02x)",
 486                                 wbuf[3], rbuf[1]);
 487
 488         }
 489
 490         mutex_unlock(&d->i2c_mutex);
 491
 492         return ret;
 493 }
 494
 495
 496 static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 497                                  int num)
 498 {
 499         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 500         struct lme2510_state *st = d->priv;
 501         static u8 obuf[64], ibuf[512];
 502         int i, read, read_o;
 503         u16 len;
 504         u8 gate = st->i2c_gate;
 505
 506         if (gate == 0)
 507                 gate = 5;
 508
 509         if (num > 2)
 510                 warn("more than 2 i2c messages"
 511                         "at a time is not handled yet.  TODO.");
 512
 513         for (i = 0; i < num; i++) {
 514                 read_o = 1 & (msg[i].flags & I2C_M_RD);
 515                 read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
 516                 read |= read_o;
 517                 gate = (msg[i].addr == st->i2c_tuner_addr)
 518                         ? (read)        ? st->i2c_tuner_gate_r
 519                                         : st->i2c_tuner_gate_w
 520                         : st->i2c_gate;
 521                 obuf[0] = gate | (read << 7);
 522
 523                 if (gate == 5)
 524                         obuf[1] = (read) ? 2 : msg[i].len + 1;
 525                 else
 526                         obuf[1] = msg[i].len + read + 1;
 527
 528                 obuf[2] = msg[i].addr;
 529                 if (read) {
 530                         if (read_o)
 531                                 len = 3;
 532                         else {
 533                                 memcpy(&obuf[3], msg[i].buf, msg[i].len);
 534                                 obuf[msg[i].len+3] = msg[i+1].len;
 535                                 len = msg[i].len+4;
 536                         }
 537                 } else {
 538                         memcpy(&obuf[3], msg[i].buf, msg[i].len);
 539                         len = msg[i].len+3;
 540                 }
 541
 542                 if (lme2510_msg(d, obuf, len, ibuf, 512) < 0) {
 543                         deb_info(1, "i2c transfer failed.");
 544                         return -EAGAIN;
 545                 }
 546
 547                 if (read) {
 548                         if (read_o)
 549                                 memcpy(msg[i].buf, &ibuf[1], msg[i].len);
 550                         else {
 551                                 memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len);
 552                                 i++;
 553                         }
 554                 }
 555         }
 556         return i;
 557 }
 558
 559 static u32 lme2510_i2c_func(struct i2c_adapter *adapter)
 560 {
 561         return I2C_FUNC_I2C;
 562 }
 563
 564 static struct i2c_algorithm lme2510_i2c_algo = {
 565         .master_xfer   = lme2510_i2c_xfer,
 566         .functionality = lme2510_i2c_func,
 567 };
 568
 569 /* Callbacks for DVB USB */
 570 static int lme2510_identify_state(struct usb_device *udev,
 571                 struct dvb_usb_device_properties *props,
 572                 struct dvb_usb_device_description **desc,
 573                 int *cold)
 574 {
 575         *cold = 0;
 576         return 0;
 577 }
 578
 579 static int lme2510_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 580 {
 581         struct lme2510_state *st = adap->dev->priv;
 582         static u8 clear_reg_3[] = LME_CLEAR_PID;
 583         static u8 rbuf[1];
 584         int ret = 0, rlen = sizeof(rbuf);
 585
 586         deb_info(1, "STM  (%02x)", onoff);
 587
 588         /* Streaming is started by FE_HAS_LOCK */
 589         if (onoff == 1)
 590                 st->stream_on = 1;
 591         else {
 592                 deb_info(1, "STM Steam Off");
 593                 /* mutex is here only to avoid collision with I2C */
 594                 ret = mutex_lock_interruptible(&adap->dev->i2c_mutex);
 595
 596                 ret |= lme2510_usb_talk(adap->dev, clear_reg_3,
 597                                 sizeof(clear_reg_3), rbuf, rlen);
 598                 st->stream_on = 0;
 599                 st->i2c_talk_onoff = 1;
 600
 601                 mutex_unlock(&adap->dev->i2c_mutex);
 602         }
 603
 604         return (ret < 0) ? -ENODEV : 0;
 605 }
 606
 607 static int lme2510_int_service(struct dvb_usb_adapter *adap)
 608 {
 609         struct dvb_usb_device *d = adap->dev;
 610         struct rc_dev *rc;
 611         int ret;
 612
 613         info("STA Configuring Remote");
 614
 615         rc = rc_allocate_device();
 616         if (!rc)
 617                 return -ENOMEM;
 618
 619         usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys));
 620         strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys));
 621
 622         rc->input_name = "LME2510 Remote Control";
 623         rc->input_phys = d->rc_phys;
 624         rc->map_name = RC_MAP_LME2510;
 625         rc->driver_name = "LME 2510";
 626         usb_to_input_id(d->udev, &rc->input_id);
 627
 628         ret = rc_register_device(rc);
 629         if (ret) {
 630                 rc_free_device(rc);
 631                 return ret;
 632         }
 633         d->rc_dev = rc;
 634
 635         /* Start the Interrupt */
 636         ret = lme2510_int_read(adap);
 637         if (ret < 0) {
 638                 rc_unregister_device(rc);
 639                 info("INT Unable to start Interrupt Service");
 640                 return -ENODEV;
 641         }
 642
 643         return 0;
 644 }
 645
 646 static u8 check_sum(u8 *p, u8 len)
 647 {
 648         u8 sum = 0;
 649         while (len--)
 650                 sum += *p++;
 651         return sum;
 652 }
 653
 654 static int lme2510_download_firmware(struct usb_device *dev,
 655                                         const struct firmware *fw)
 656 {
 657         int ret = 0;
 658         u8 data[512] = {0};
 659         u16 j, wlen, len_in, start, end;
 660         u8 packet_size, dlen, i;
 661         u8 *fw_data;
 662
 663         packet_size = 0x31;
 664         len_in = 1;
 665
 666
 667         info("FRM Starting Firmware Download");
 668
 669         for (i = 1; i < 3; i++) {
 670                 start = (i == 1) ? 0 : 512;
 671                 end = (i == 1) ? 512 : fw->size;
 672                 for (j = start; j < end; j += (packet_size+1)) {
 673                         fw_data = (u8 *)(fw->data + j);
 674                         if ((end - j) > packet_size) {
 675                                 data[0] = i;
 676                                 dlen = packet_size;
 677                         } else {
 678                                 data[0] = i | 0x80;
 679                                 dlen = (u8)(end - j)-1;
 680                         }
 681                 data[1] = dlen;
 682                 memcpy(&data[2], fw_data, dlen+1);
 683                 wlen = (u8) dlen + 4;
 684                 data[wlen-1] = check_sum(fw_data, dlen+1);
 685                 deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3],
 686                                 data[dlen+2], data[dlen+3]);
 687                 ret |= lme2510_bulk_write(dev, data,  wlen, 1);
 688                 ret |= lme2510_bulk_read(dev, data, len_in , 1);
 689                 ret |= (data[0] == 0x88) ? 0 : -1;
 690                 }
 691         }
 692
 693         usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 694                         0x06, 0x80, 0x0200, 0x00, data, 0x0109, 1000);
 695
 696
 697         data[0] = 0x8a;
 698         len_in = 1;
 699         msleep(2000);
 700         ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Resetting*/
 701         ret |= lme2510_bulk_read(dev, data, len_in, 1);
 702         msleep(400);
 703
 704         if (ret < 0)
 705                 info("FRM Firmware Download Failed (%04x)" , ret);
 706         else
 707                 info("FRM Firmware Download Completed - Resetting Device");
 708
 709
 710         return (ret < 0) ? -ENODEV : 0;
 711 }
 712
 713 static void lme_coldreset(struct usb_device *dev)
 714 {
 715         int ret = 0, len_in;
 716         u8 data[512] = {0};
 717
 718         data[0] = 0x0a;
 719         len_in = 1;
 720         info("FRM Firmware Cold Reset");
 721         ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Cold Resetting*/
 722         ret |= lme2510_bulk_read(dev, data, len_in, 1);
 723
 724         return;
 725 }
 726
 727 static int lme_firmware_switch(struct usb_device *udev, int cold)
 728 {
 729         const struct firmware *fw = NULL;
 730         const char fw_c_s7395[] = "dvb-usb-lme2510c-s7395.fw";
 731         const char fw_c_lg[] = "dvb-usb-lme2510c-lg.fw";
 732         const char fw_c_s0194[] = "dvb-usb-lme2510c-s0194.fw";
 733         const char fw_lg[] = "dvb-usb-lme2510-lg.fw";
 734         const char fw_s0194[] = "dvb-usb-lme2510-s0194.fw";
 735         const char *fw_lme;
 736         int ret, cold_fw;
 737
 738         cold = (cold > 0) ? (cold & 1) : 0;
 739
 740         cold_fw = !cold;
 741
 742         if (udev->descriptor.idProduct == 0x1122) {
 743                 switch (dvb_usb_lme2510_firmware) {
 744                 default:
 745                         dvb_usb_lme2510_firmware = TUNER_S0194;
 746                 case TUNER_S0194:
 747                         fw_lme = fw_s0194;
 748                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 749                         if (ret == 0) {
 750                                 cold = 0;/*lme2510-s0194 cannot cold reset*/
 751                                 break;
 752                         }
 753                         dvb_usb_lme2510_firmware = TUNER_LG;
 754                 case TUNER_LG:
 755                         fw_lme = fw_lg;
 756                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 757                         if (ret == 0)
 758                                 break;
 759                         info("FRM No Firmware Found - please install");
 760                         dvb_usb_lme2510_firmware = TUNER_DEFAULT;
 761                         cold = 0;
 762                         cold_fw = 0;
 763                         break;
 764                 }
 765         } else {
 766                 switch (dvb_usb_lme2510_firmware) {
 767                 default:
 768                         dvb_usb_lme2510_firmware = TUNER_S7395;
 769                 case TUNER_S7395:
 770                         fw_lme = fw_c_s7395;
 771                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 772                         if (ret == 0)
 773                                 break;
 774                         dvb_usb_lme2510_firmware = TUNER_LG;
 775                 case TUNER_LG:
 776                         fw_lme = fw_c_lg;
 777                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 778                         if (ret == 0)
 779                                 break;
 780                         dvb_usb_lme2510_firmware = TUNER_S0194;
 781                 case TUNER_S0194:
 782                         fw_lme = fw_c_s0194;
 783                         ret = request_firmware(&fw, fw_lme, &udev->dev);
 784                         if (ret == 0)
 785                                 break;
 786                         info("FRM No Firmware Found - please install");
 787                         dvb_usb_lme2510_firmware = TUNER_DEFAULT;
 788                         cold = 0;
 789                         cold_fw = 0;
 790                         break;
 791                 }
 792         }
 793
 794         if (cold_fw) {
 795                 info("FRM Loading %s file", fw_lme);
 796                 ret = lme2510_download_firmware(udev, fw);
 797         }
 798
 799         if (cold) {
 800                 info("FRM Changing to %s firmware", fw_lme);
 801                 lme_coldreset(udev);
 802                 return -ENODEV;
 803         }
 804
 805         release_firmware(fw);
 806
 807         return ret;
 808 }
 809
 810 static int lme2510_kill_urb(struct usb_data_stream *stream)
 811 {
 812         int i;
 813
 814         for (i = 0; i < stream->urbs_submitted; i++) {
 815                 deb_info(3, "killing URB no. %d.", i);
 816                 /* stop the URB */
 817                 usb_kill_urb(stream->urb_list[i]);
 818         }
 819         stream->urbs_submitted = 0;
 820
 821         return 0;
 822 }
 823
 824 static struct tda10086_config tda10086_config = {
 825         .demod_address = 0x1c,
 826         .invert = 0,
 827         .diseqc_tone = 1,
 828         .xtal_freq = TDA10086_XTAL_16M,
 829 };
 830
 831 static struct stv0288_config lme_config = {
 832         .demod_address = 0xd0,
 833         .min_delay_ms = 15,
 834         .inittab = s7395_inittab,
 835 };
 836
 837 static struct ix2505v_config lme_tuner = {
 838         .tuner_address = 0xc0,
 839         .min_delay_ms = 100,
 840         .tuner_gain = 0x0,
 841         .tuner_chargepump = 0x3,
 842 };
 843
 844 static struct stv0299_config sharp_z0194_config = {
 845         .demod_address = 0xd0,
 846         .inittab = sharp_z0194a_inittab,
 847         .mclk = 88000000UL,
 848         .invert = 0,
 849         .skip_reinit = 0,
 850         .lock_output = STV0299_LOCKOUTPUT_1,
 851         .volt13_op0_op1 = STV0299_VOLT13_OP1,
 852         .min_delay_ms = 100,
 853         .set_symbol_rate = sharp_z0194a_set_symbol_rate,
 854 };
 855
 856 static int dm04_lme2510_set_voltage(struct dvb_frontend *fe,
 857                                         fe_sec_voltage_t voltage)
 858 {
 859         struct dvb_usb_adapter *adap = fe->dvb->priv;
 860         static u8 voltage_low[] = LME_VOLTAGE_L;
 861         static u8 voltage_high[] = LME_VOLTAGE_H;
 862         static u8 rbuf[1];
 863         int ret = 0, len = 3, rlen = 1;
 864
 865         if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
 866                         return -EAGAIN;
 867
 868         switch (voltage) {
 869         case SEC_VOLTAGE_18:
 870                 ret |= lme2510_usb_talk(adap->dev,
 871                         voltage_high, len, rbuf, rlen);
 872                 break;
 873
 874         case SEC_VOLTAGE_OFF:
 875         case SEC_VOLTAGE_13:
 876         default:
 877                 ret |= lme2510_usb_talk(adap->dev,
 878                                 voltage_low, len, rbuf, rlen);
 879                 break;
 880         }
 881
 882         mutex_unlock(&adap->dev->i2c_mutex);
 883
 884         return (ret < 0) ? -ENODEV : 0;
 885 }
 886
 887 static int lme_name(struct dvb_usb_adapter *adap)
 888 {
 889         struct lme2510_state *st = adap->dev->priv;
 890         const char *desc = adap->dev->desc->name;
 891         char *fe_name[] = {"", " LG TDQY-P001F", " SHARP:BS2F7HZ7395",
 892                                 " SHARP:BS2F7HZ0194"};
 893         char *name = adap->fe->ops.info.name;
 894
 895         strlcpy(name, desc, 128);
 896         strlcat(name, fe_name[st->tuner_config], 128);
 897
 898         return 0;
 899 }
 900
 901 static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
 902 {
 903         struct lme2510_state *st = adap->dev->priv;
 904
 905         int ret = 0;
 906
 907         st->i2c_talk_onoff = 1;
 908
 909         st->i2c_gate = 4;
 910         adap->fe = dvb_attach(tda10086_attach, &tda10086_config,
 911                 &adap->dev->i2c_adap);
 912
 913         if (adap->fe) {
 914                 info("TUN Found Frontend TDA10086");
 915                 st->i2c_tuner_gate_w = 4;
 916                 st->i2c_tuner_gate_r = 4;
 917                 st->i2c_tuner_addr = 0xc0;
 918                 st->tuner_config = TUNER_LG;
 919                 if (dvb_usb_lme2510_firmware != TUNER_LG) {
 920                         dvb_usb_lme2510_firmware = TUNER_LG;
 921                         ret = lme_firmware_switch(adap->dev->udev, 1);
 922                 }
 923                 goto end;
 924         }
 925
 926         st->i2c_gate = 4;
 927         adap->fe = dvb_attach(stv0299_attach, &sharp_z0194_config,
 928                         &adap->dev->i2c_adap);
 929         if (adap->fe) {
 930                 info("FE Found Stv0299");
 931                 st->i2c_tuner_gate_w = 4;
 932                 st->i2c_tuner_gate_r = 5;
 933                 st->i2c_tuner_addr = 0xc0;
 934                 st->tuner_config = TUNER_S0194;
 935                 if (dvb_usb_lme2510_firmware != TUNER_S0194) {
 936                         dvb_usb_lme2510_firmware = TUNER_S0194;
 937                         ret = lme_firmware_switch(adap->dev->udev, 1);
 938                 }
 939                 goto end;
 940         }
 941
 942         st->i2c_gate = 5;
 943         adap->fe = dvb_attach(stv0288_attach, &lme_config,
 944                         &adap->dev->i2c_adap);
 945         if (adap->fe) {
 946                 info("FE Found Stv0288");
 947                 st->i2c_tuner_gate_w = 4;
 948                 st->i2c_tuner_gate_r = 5;
 949                 st->i2c_tuner_addr = 0xc0;
 950                 st->tuner_config = TUNER_S7395;
 951                 if (dvb_usb_lme2510_firmware != TUNER_S7395) {
 952                         dvb_usb_lme2510_firmware = TUNER_S7395;
 953                         ret = lme_firmware_switch(adap->dev->udev, 1);
 954                 }
 955         } else {
 956                 info("DM04 Not Supported");
 957                 return -ENODEV;
 958         }
 959
 960
 961 end:    if (ret) {
 962                 kfree(adap->fe);
 963                 adap->fe = NULL;
 964                 return -ENODEV;
 965         }
 966
 967         adap->fe->ops.set_voltage = dm04_lme2510_set_voltage;
 968         ret = lme_name(adap);
 969         return ret;
 970 }
 971
 972 static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap)
 973 {
 974         struct lme2510_state *st = adap->dev->priv;
 975         char *tun_msg[] = {"", "TDA8263", "IX2505V", "DVB_PLL_OPERA"};
 976         int ret = 0;
 977
 978         switch (st->tuner_config) {
 979         case TUNER_LG:
 980                 if (dvb_attach(tda826x_attach, adap->fe, 0xc0,
 981                         &adap->dev->i2c_adap, 1))
 982                         ret = st->tuner_config;
 983                 break;
 984         case TUNER_S7395:
 985                 if (dvb_attach(ix2505v_attach , adap->fe, &lme_tuner,
 986                         &adap->dev->i2c_adap))
 987                         ret = st->tuner_config;
 988                 break;
 989         case TUNER_S0194:
 990                 if (dvb_attach(dvb_pll_attach , adap->fe, 0xc0,
 991                         &adap->dev->i2c_adap, DVB_PLL_OPERA1))
 992                         ret = st->tuner_config;
 993                 break;
 994         default:
 995                 break;
 996         }
 997
 998         if (ret)
 999                 info("TUN Found %s tuner", tun_msg[ret]);
1000         else {
1001                 info("TUN No tuner found --- reseting device");
1002                 lme_coldreset(adap->dev->udev);
1003                 return -ENODEV;
1004         }
1005
1006         /* Start the Interrupt & Remote*/
1007         ret = lme2510_int_service(adap);
1008
1009         return ret;
1010 }
1011
1012 static int lme2510_powerup(struct dvb_usb_device *d, int onoff)
1013 {
1014         struct lme2510_state *st = d->priv;
1015         static u8 lnb_on[] = LNB_ON;
1016         static u8 lnb_off[] = LNB_OFF;
1017         static u8 rbuf[1];
1018         int ret, len = 3, rlen = 1;
1019
1020         ret = mutex_lock_interruptible(&d->i2c_mutex);
1021
1022         if (onoff)
1023                 ret |= lme2510_usb_talk(d, lnb_on, len, rbuf, rlen);
1024         else
1025                 ret |= lme2510_usb_talk(d, lnb_off, len, rbuf, rlen);
1026
1027         st->i2c_talk_onoff = 1;
1028
1029         mutex_unlock(&d->i2c_mutex);
1030
1031         return ret;
1032 }
1033
1034 /* DVB USB Driver stuff */
1035 static struct dvb_usb_device_properties lme2510_properties;
1036 static struct dvb_usb_device_properties lme2510c_properties;
1037
1038 static int lme2510_probe(struct usb_interface *intf,
1039                 const struct usb_device_id *id)
1040 {
1041         struct usb_device *udev = interface_to_usbdev(intf);
1042         int ret = 0;
1043
1044         usb_reset_configuration(udev);
1045
1046         usb_set_interface(udev, intf->cur_altsetting->desc.bInterfaceNumber, 1);
1047
1048         if (udev->speed != USB_SPEED_HIGH) {
1049                 ret = usb_reset_device(udev);
1050                 info("DEV Failed to connect in HIGH SPEED mode");
1051                 return -ENODEV;
1052         }
1053
1054         if (lme2510_return_status(udev) == 0x44) {
1055                 lme_firmware_switch(udev, 0);
1056                 return -ENODEV;
1057         }
1058
1059         if (0 == dvb_usb_device_init(intf, &lme2510_properties,
1060                                      THIS_MODULE, NULL, adapter_nr)) {
1061                 info("DEV registering device driver");
1062                 return 0;
1063         }
1064         if (0 == dvb_usb_device_init(intf, &lme2510c_properties,
1065                                      THIS_MODULE, NULL, adapter_nr)) {
1066                 info("DEV registering device driver");
1067                 return 0;
1068         }
1069
1070         info("DEV lme2510 Error");
1071         return -ENODEV;
1072
1073 }
1074
1075 static struct usb_device_id lme2510_table[] = {
1076         { USB_DEVICE(0x3344, 0x1122) },  /* LME2510 */
1077         { USB_DEVICE(0x3344, 0x1120) },  /* LME2510C */
1078         {}              /* Terminating entry */
1079 };
1080
1081 MODULE_DEVICE_TABLE(usb, lme2510_table);
1082
1083 static struct dvb_usb_device_properties lme2510_properties = {
1084         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
1085         .size_of_priv = sizeof(struct lme2510_state),
1086         .num_adapters = 1,
1087         .adapter = {
1088                 {
1089                         .streaming_ctrl   = lme2510_streaming_ctrl,
1090                         .frontend_attach  = dm04_lme2510_frontend_attach,
1091                         .tuner_attach = dm04_lme2510_tuner,
1092                         /* parameter for the MPEG2-data transfer */
1093                         .stream = {
1094                                 .type = USB_BULK,
1095                                 .count = 10,
1096                                 .endpoint = 0x06,
1097                                 .u = {
1098                                         .bulk = {
1099                                                 .buffersize = 4096,
1100
1101                                         }
1102                                 }
1103                         }
1104                 }
1105         },
1106         .power_ctrl       = lme2510_powerup,
1107         .identify_state   = lme2510_identify_state,
1108         .i2c_algo         = &lme2510_i2c_algo,
1109         .generic_bulk_ctrl_endpoint = 0,
1110         .num_device_descs = 1,
1111         .devices = {
1112                 {   "DM04_LME2510_DVB-S",
1113                         { &lme2510_table[0], NULL },
1114                         },
1115
1116         }
1117 };
1118
1119 static struct dvb_usb_device_properties lme2510c_properties = {
1120         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
1121         .size_of_priv = sizeof(struct lme2510_state),
1122         .num_adapters = 1,
1123         .adapter = {
1124                 {
1125                         .streaming_ctrl   = lme2510_streaming_ctrl,
1126                         .frontend_attach  = dm04_lme2510_frontend_attach,
1127                         .tuner_attach = dm04_lme2510_tuner,
1128                         /* parameter for the MPEG2-data transfer */
1129                         .stream = {
1130                                 .type = USB_BULK,
1131                                 .count = 10,
1132                                 .endpoint = 0x8,
1133                                 .u = {
1134                                         .bulk = {
1135                                                 .buffersize = 4096,
1136
1137                                         }
1138                                 }
1139                         }
1140                 }
1141         },
1142         .power_ctrl       = lme2510_powerup,
1143         .identify_state   = lme2510_identify_state,
1144         .i2c_algo         = &lme2510_i2c_algo,
1145         .generic_bulk_ctrl_endpoint = 0,
1146         .num_device_descs = 1,
1147         .devices = {
1148                 {   "DM04_LME2510C_DVB-S",
1149                         { &lme2510_table[1], NULL },
1150                         },
1151         }
1152 };
1153
1154 void *lme2510_exit_int(struct dvb_usb_device *d)
1155 {
1156         struct lme2510_state *st = d->priv;
1157         struct dvb_usb_adapter *adap = &d->adapter[0];
1158         void *buffer = NULL;
1159
1160         if (adap != NULL) {
1161                 lme2510_kill_urb(&adap->stream);
1162                 adap->feedcount = 0;
1163         }
1164
1165         if (st->lme_urb != NULL) {
1166                 st->i2c_talk_onoff = 1;
1167                 st->signal_lock = 0;
1168                 st->signal_level = 0;
1169                 st->signal_sn = 0;
1170                 buffer = st->usb_buffer;
1171                 usb_kill_urb(st->lme_urb);
1172                 usb_free_coherent(d->udev, 5000, st->buffer,
1173                                   st->lme_urb->transfer_dma);
1174                 info("Interrupt Service Stopped");
1175                 rc_unregister_device(d->rc_dev);
1176                 info("Remote Stopped");
1177         }
1178         return buffer;
1179 }
1180
1181 void lme2510_exit(struct usb_interface *intf)
1182 {
1183         struct dvb_usb_device *d = usb_get_intfdata(intf);
1184         void *usb_buffer;
1185
1186         if (d != NULL) {
1187                 usb_buffer = lme2510_exit_int(d);
1188                 dvb_usb_device_exit(intf);
1189                 kfree(usb_buffer);
1190         }
1191 }
1192
1193 static struct usb_driver lme2510_driver = {
1194         .name           = "LME2510C_DVB-S",
1195         .probe          = lme2510_probe,
1196         .disconnect     = lme2510_exit,
1197         .id_table       = lme2510_table,
1198 };
1199
1200 /* module stuff */
1201 static int __init lme2510_module_init(void)
1202 {
1203         int result = usb_register(&lme2510_driver);
1204         if (result) {
1205                 err("usb_register failed. Error number %d", result);
1206                 return result;
1207         }
1208
1209         return 0;
1210 }
1211
1212 static void __exit lme2510_module_exit(void)
1213 {
1214         /* deregister this driver from the USB subsystem */
1215         usb_deregister(&lme2510_driver);
1216 }
1217
1218 module_init(lme2510_module_init);
1219 module_exit(lme2510_module_exit);
1220
1221 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
1222 MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0");
1223 MODULE_VERSION("1.80");
1224 MODULE_LICENSE("GPL");