drivers/media/dvb/bt8xx/dst.c

   1 /*
   2
   3         Frontend/Card driver for TwinHan DST Frontend
   4         Copyright (C) 2003 Jamie Honan
   5         Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
   6
   7         This program is free software; you can redistribute it and/or modify
   8         it under the terms of the GNU General Public License as published by
   9         the Free Software Foundation; either version 2 of the License, or
  10         (at your option) any later version.
  11
  12         This program is distributed in the hope that it will be useful,
  13         but WITHOUT ANY WARRANTY; without even the implied warranty of
  14         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15         GNU General Public License for more details.
  16
  17         You should have received a copy of the GNU General Public License
  18         along with this program; if not, write to the Free Software
  19         Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22
  23 #include <linux/kernel.h>
  24 #include <linux/module.h>
  25 #include <linux/init.h>
  26 #include <linux/string.h>
  27 #include <linux/slab.h>
  28 #include <linux/vmalloc.h>
  29 #include <linux/delay.h>
  30 #include <asm/div64.h>
  31
  32 #include "dvb_frontend.h"
  33 #include "dst_priv.h"
  34 #include "dst_common.h"
  35
  36
  37 static unsigned int verbose = 1;
  38 module_param(verbose, int, 0644);
  39 MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
  40
  41 static unsigned int debug = 1;
  42 module_param(debug, int, 0644);
  43 MODULE_PARM_DESC(debug, "debug messages, default is 0 (yes)");
  44
  45 static unsigned int dst_addons;
  46 module_param(dst_addons, int, 0644);
  47 MODULE_PARM_DESC(dst_addons, "CA daughterboard, default is 0 (No addons)");
  48
  49 #define dprintk if (debug) printk
  50
  51 #define HAS_LOCK        1
  52 #define ATTEMPT_TUNE    2
  53 #define HAS_POWER       4
  54
  55 static void dst_packsize(struct dst_state* state, int psize)
  56 {
  57         union dst_gpio_packet bits;
  58
  59         bits.psize = psize;
  60         bt878_device_control(state->bt, DST_IG_TS, &bits);
  61 }
  62
  63 int dst_gpio_outb(struct dst_state* state, u32 mask, u32 enbb, u32 outhigh, int delay)
  64 {
  65         union dst_gpio_packet enb;
  66         union dst_gpio_packet bits;
  67         int err;
  68
  69         enb.enb.mask = mask;
  70         enb.enb.enable = enbb;
  71         if (verbose > 4)
  72                 dprintk("%s: mask=[%04x], enbb=[%04x], outhigh=[%04x]\n", __FUNCTION__, mask, enbb, outhigh);
  73
  74         if ((err = bt878_device_control(state->bt, DST_IG_ENABLE, &enb)) < 0) {
  75                 dprintk("%s: dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)\n", __FUNCTION__, err, mask, enbb);
  76                 return -EREMOTEIO;
  77         }
  78         udelay(1000);
  79         /* because complete disabling means no output, no need to do output packet */
  80         if (enbb == 0)
  81                 return 0;
  82
  83         if (delay)
  84                 msleep(10);
  85
  86         bits.outp.mask = enbb;
  87         bits.outp.highvals = outhigh;
  88
  89         if ((err = bt878_device_control(state->bt, DST_IG_WRITE, &bits)) < 0) {
  90                 dprintk("%s: dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)\n", __FUNCTION__, err, enbb, outhigh);
  91                 return -EREMOTEIO;
  92         }
  93         return 0;
  94 }
  95 EXPORT_SYMBOL(dst_gpio_outb);
  96
  97 int dst_gpio_inb(struct dst_state *state, u8 * result)
  98 {
  99         union dst_gpio_packet rd_packet;
 100         int err;
 101
 102         *result = 0;
 103
 104         if ((err = bt878_device_control(state->bt, DST_IG_READ, &rd_packet)) < 0) {
 105                 dprintk("%s: dst_gpio_inb error (err == %i)\n", __FUNCTION__, err);
 106                 return -EREMOTEIO;
 107         }
 108
 109         *result = (u8) rd_packet.rd.value;
 110         return 0;
 111 }
 112 EXPORT_SYMBOL(dst_gpio_inb);
 113
 114 int rdc_reset_state(struct dst_state *state)
 115 {
 116         if (verbose > 1)
 117                 dprintk("%s: Resetting state machine\n", __FUNCTION__);
 118
 119         if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, 0, NO_DELAY) < 0) {
 120                 dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__);
 121                 return -1;
 122         }
 123
 124         msleep(10);
 125
 126         if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, RDC_8820_INT, NO_DELAY) < 0) {
 127                 dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__);
 128                 msleep(10);
 129                 return -1;
 130         }
 131
 132         return 0;
 133 }
 134 EXPORT_SYMBOL(rdc_reset_state);
 135
 136 int rdc_8820_reset(struct dst_state *state)
 137 {
 138         if (verbose > 1)
 139                 dprintk("%s: Resetting DST\n", __FUNCTION__);
 140
 141         if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, 0, NO_DELAY) < 0) {
 142                 dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__);
 143                 return -1;
 144         }
 145         udelay(1000);
 146         if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, RDC_8820_RESET, DELAY) < 0) {
 147                 dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__);
 148                 return -1;
 149         }
 150
 151         return 0;
 152 }
 153 EXPORT_SYMBOL(rdc_8820_reset);
 154
 155 int dst_pio_enable(struct dst_state *state)
 156 {
 157         if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_ENABLE, 0, NO_DELAY) < 0) {
 158                 dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__);
 159                 return -1;
 160         }
 161         udelay(1000);
 162         return 0;
 163 }
 164 EXPORT_SYMBOL(dst_pio_enable);
 165
 166 int dst_pio_disable(struct dst_state *state)
 167 {
 168         if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_DISABLE, RDC_8820_PIO_0_DISABLE, NO_DELAY) < 0) {
 169                 dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__);
 170                 return -1;
 171         }
 172         if (state->type_flags & DST_TYPE_HAS_FW_1)
 173                 udelay(1000);
 174
 175         return 0;
 176 }
 177 EXPORT_SYMBOL(dst_pio_disable);
 178
 179 int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode)
 180 {
 181         u8 reply;
 182         int i;
 183
 184         for (i = 0; i < 200; i++) {
 185                 if (dst_gpio_inb(state, &reply) < 0) {
 186                         dprintk("%s: dst_gpio_inb ERROR !\n", __FUNCTION__);
 187                         return -1;
 188                 }
 189
 190                 if ((reply & RDC_8820_PIO_0_ENABLE) == 0) {
 191                         if (verbose > 4)
 192                                 dprintk("%s: dst wait ready after %d\n", __FUNCTION__, i);
 193                         return 1;
 194                 }
 195                 msleep(10);
 196         }
 197         if (verbose > 1)
 198                 dprintk("%s: dst wait NOT ready after %d\n", __FUNCTION__, i);
 199
 200         return 0;
 201 }
 202 EXPORT_SYMBOL(dst_wait_dst_ready);
 203
 204 int dst_error_recovery(struct dst_state *state)
 205 {
 206         dprintk("%s: Trying to return from previous errors...\n", __FUNCTION__);
 207         dst_pio_disable(state);
 208         msleep(10);
 209         dst_pio_enable(state);
 210         msleep(10);
 211
 212         return 0;
 213 }
 214 EXPORT_SYMBOL(dst_error_recovery);
 215
 216 int dst_error_bailout(struct dst_state *state)
 217 {
 218         dprintk("%s: Trying to bailout from previous error...\n", __FUNCTION__);
 219         rdc_8820_reset(state);
 220         dst_pio_disable(state);
 221         msleep(10);
 222
 223         return 0;
 224 }
 225 EXPORT_SYMBOL(dst_error_bailout);
 226
 227
 228 int dst_comm_init(struct dst_state* state)
 229 {
 230         if (verbose > 1)
 231                 dprintk ("%s: Initializing DST..\n", __FUNCTION__);
 232         if ((dst_pio_enable(state)) < 0) {
 233                 dprintk("%s: PIO Enable Failed.\n", __FUNCTION__);
 234                 return -1;
 235         }
 236         if ((rdc_reset_state(state)) < 0) {
 237                 dprintk("%s: RDC 8820 State RESET Failed.\n", __FUNCTION__);
 238                 return -1;
 239         }
 240         if (state->type_flags & DST_TYPE_HAS_FW_1)
 241                 msleep(100);
 242         else
 243                 msleep(5);
 244
 245         return 0;
 246 }
 247 EXPORT_SYMBOL(dst_comm_init);
 248
 249
 250 int write_dst(struct dst_state *state, u8 *data, u8 len)
 251 {
 252         struct i2c_msg msg = {
 253                 .addr = state->config->demod_address,.flags = 0,.buf = data,.len = len
 254         };
 255
 256         int err;
 257         int cnt;
 258         if (debug && (verbose > 4)) {
 259                 u8 i;
 260                 if (verbose > 4) {
 261                         dprintk("%s writing", __FUNCTION__);
 262                         for (i = 0; i < len; i++)
 263                                 dprintk(" %02x", data[i]);
 264                         dprintk("\n");
 265                 }
 266         }
 267         for (cnt = 0; cnt < 2; cnt++) {
 268                 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
 269                         dprintk("%s: _write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n", __FUNCTION__, err, len, data[0]);
 270                         dst_error_recovery(state);
 271                         continue;
 272                 } else
 273                         break;
 274         }
 275
 276         if (cnt >= 2) {
 277                 if (verbose > 1)
 278                         printk("%s: RDC 8820 RESET...\n", __FUNCTION__);
 279                 dst_error_bailout(state);
 280
 281                 return -1;
 282         }
 283
 284         return 0;
 285 }
 286 EXPORT_SYMBOL(write_dst);
 287
 288 int read_dst(struct dst_state *state, u8 * ret, u8 len)
 289 {
 290         struct i2c_msg msg = {.addr = state->config->demod_address,.flags = I2C_M_RD,.buf = ret,.len = len };
 291         int err;
 292         int cnt;
 293
 294         for (cnt = 0; cnt < 2; cnt++) {
 295                 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
 296
 297                         dprintk("%s: read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n", __FUNCTION__, err, len, ret[0]);
 298                         dst_error_recovery(state);
 299
 300                         continue;
 301                 } else
 302                         break;
 303         }
 304         if (cnt >= 2) {
 305                 if (verbose > 1)
 306                         printk("%s: RDC 8820 RESET...\n", __FUNCTION__);
 307                 dst_error_bailout(state);
 308
 309                 return -1;
 310         }
 311         if (debug && (verbose > 4)) {
 312                 dprintk("%s reply is 0x%x\n", __FUNCTION__, ret[0]);
 313                 for (err = 1; err < len; err++)
 314                         dprintk(" 0x%x", ret[err]);
 315                 if (err > 1)
 316                         dprintk("\n");
 317         }
 318
 319         return 0;
 320 }
 321 EXPORT_SYMBOL(read_dst);
 322
 323 static int dst_set_freq(struct dst_state *state, u32 freq)
 324 {
 325         u8 *val;
 326
 327         state->frequency = freq;
 328         if (debug > 4)
 329                 dprintk("%s: set Frequency %u\n", __FUNCTION__, freq);
 330
 331         if (state->dst_type == DST_TYPE_IS_SAT) {
 332                 freq = freq / 1000;
 333                 if (freq < 950 || freq > 2150)
 334                         return -EINVAL;
 335                 val = &state->tx_tuna[0];
 336                 val[2] = (freq >> 8) & 0x7f;
 337                 val[3] = (u8) freq;
 338                 val[4] = 1;
 339                 val[8] &= ~4;
 340                 if (freq < 1531)
 341                         val[8] |= 4;
 342         } else if (state->dst_type == DST_TYPE_IS_TERR) {
 343                 freq = freq / 1000;
 344                 if (freq < 137000 || freq > 858000)
 345                         return -EINVAL;
 346                 val = &state->tx_tuna[0];
 347                 val[2] = (freq >> 16) & 0xff;
 348                 val[3] = (freq >> 8) & 0xff;
 349                 val[4] = (u8) freq;
 350                 val[5] = 0;
 351                 switch (state->bandwidth) {
 352                 case BANDWIDTH_6_MHZ:
 353                         val[6] = 6;
 354                         break;
 355
 356                 case BANDWIDTH_7_MHZ:
 357                 case BANDWIDTH_AUTO:
 358                         val[6] = 7;
 359                         break;
 360
 361                 case BANDWIDTH_8_MHZ:
 362                         val[6] = 8;
 363                         break;
 364                 }
 365
 366                 val[7] = 0;
 367                 val[8] = 0;
 368         } else if (state->dst_type == DST_TYPE_IS_CABLE) {
 369                 /* guess till will get one */
 370                 freq = freq / 1000;
 371                 val = &state->tx_tuna[0];
 372                 val[2] = (freq >> 16) & 0xff;
 373                 val[3] = (freq >> 8) & 0xff;
 374                 val[4] = (u8) freq;
 375         } else
 376                 return -EINVAL;
 377         return 0;
 378 }
 379
 380 static int dst_set_bandwidth(struct dst_state* state, fe_bandwidth_t bandwidth)
 381 {
 382         u8 *val;
 383
 384         state->bandwidth = bandwidth;
 385
 386         if (state->dst_type != DST_TYPE_IS_TERR)
 387                 return 0;
 388
 389         val = &state->tx_tuna[0];
 390         switch (bandwidth) {
 391         case BANDWIDTH_6_MHZ:
 392                 val[6] = 6;
 393                 break;
 394
 395         case BANDWIDTH_7_MHZ:
 396                 val[6] = 7;
 397                 break;
 398
 399         case BANDWIDTH_8_MHZ:
 400                 val[6] = 8;
 401                 break;
 402
 403         default:
 404                 return -EINVAL;
 405         }
 406         return 0;
 407 }
 408
 409 static int dst_set_inversion(struct dst_state* state, fe_spectral_inversion_t inversion)
 410 {
 411         u8 *val;
 412
 413         state->inversion = inversion;
 414
 415         val = &state->tx_tuna[0];
 416
 417         val[8] &= ~0x80;
 418
 419         switch (inversion) {
 420         case INVERSION_OFF:
 421                 break;
 422         case INVERSION_ON:
 423                 val[8] |= 0x80;
 424                 break;
 425         default:
 426                 return -EINVAL;
 427         }
 428         return 0;
 429 }
 430
 431 static int dst_set_fec(struct dst_state* state, fe_code_rate_t fec)
 432 {
 433         state->fec = fec;
 434         return 0;
 435 }
 436
 437 static fe_code_rate_t dst_get_fec(struct dst_state* state)
 438 {
 439         return state->fec;
 440 }
 441
 442 static int dst_set_symbolrate(struct dst_state* state, u32 srate)
 443 {
 444         u8 *val;
 445         u32 symcalc;
 446         u64 sval;
 447
 448         state->symbol_rate = srate;
 449
 450         if (state->dst_type == DST_TYPE_IS_TERR) {
 451                 return 0;
 452         }
 453         if (debug > 4)
 454                 dprintk("%s: set symrate %u\n", __FUNCTION__, srate);
 455         srate /= 1000;
 456         val = &state->tx_tuna[0];
 457
 458         if (state->type_flags & DST_TYPE_HAS_SYMDIV) {
 459                 sval = srate;
 460                 sval <<= 20;
 461                 do_div(sval, 88000);
 462                 symcalc = (u32) sval;
 463
 464                 if (debug > 4)
 465                         dprintk("%s: set symcalc %u\n", __FUNCTION__, symcalc);
 466
 467                 val[5] = (u8) (symcalc >> 12);
 468                 val[6] = (u8) (symcalc >> 4);
 469                 val[7] = (u8) (symcalc << 4);
 470         } else {
 471                 val[5] = (u8) (srate >> 16) & 0x7f;
 472                 val[6] = (u8) (srate >> 8);
 473                 val[7] = (u8) srate;
 474         }
 475         val[8] &= ~0x20;
 476         if (srate > 8000)
 477                 val[8] |= 0x20;
 478         return 0;
 479 }
 480
 481 u8 dst_check_sum(u8 * buf, u32 len)
 482 {
 483         u32 i;
 484         u8 val = 0;
 485         if (!len)
 486                 return 0;
 487         for (i = 0; i < len; i++) {
 488                 val += buf[i];
 489         }
 490         return ((~val) + 1);
 491 }
 492 EXPORT_SYMBOL(dst_check_sum);
 493
 494 static void dst_type_flags_print(u32 type_flags)
 495 {
 496         printk("DST type flags :");
 497         if (type_flags & DST_TYPE_HAS_NEWTUNE)
 498                 printk(" 0x%x newtuner", DST_TYPE_HAS_NEWTUNE);
 499         if (type_flags & DST_TYPE_HAS_TS204)
 500                 printk(" 0x%x ts204", DST_TYPE_HAS_TS204);
 501         if (type_flags & DST_TYPE_HAS_SYMDIV)
 502                 printk(" 0x%x symdiv", DST_TYPE_HAS_SYMDIV);
 503         if (type_flags & DST_TYPE_HAS_FW_1)
 504                 printk(" 0x%x firmware version = 1", DST_TYPE_HAS_FW_1);
 505         if (type_flags & DST_TYPE_HAS_FW_2)
 506                 printk(" 0x%x firmware version = 2", DST_TYPE_HAS_FW_2);
 507         if (type_flags & DST_TYPE_HAS_FW_3)
 508                 printk(" 0x%x firmware version = 3", DST_TYPE_HAS_FW_3);
 509 //      if ((type_flags & DST_TYPE_HAS_FW_BUILD) && new_fw)
 510
 511         printk("\n");
 512 }
 513
 514
 515 static int dst_type_print (u8 type)
 516 {
 517         char *otype;
 518         switch (type) {
 519         case DST_TYPE_IS_SAT:
 520                 otype = "satellite";
 521                 break;
 522
 523         case DST_TYPE_IS_TERR:
 524                 otype = "terrestrial";
 525                 break;
 526
 527         case DST_TYPE_IS_CABLE:
 528                 otype = "cable";
 529                 break;
 530
 531         default:
 532                 printk("%s: invalid dst type %d\n", __FUNCTION__, type);
 533                 return -EINVAL;
 534         }
 535         printk("DST type : %s\n", otype);
 536
 537         return 0;
 538 }
 539
 540 /*
 541         Known cards list
 542         Satellite
 543         -------------------
 544                   200103A
 545         VP-1020   DST-MOT       LG(old), TS=188
 546
 547         VP-1020   DST-03T       LG(new), TS=204
 548         VP-1022   DST-03T       LG(new), TS=204
 549         VP-1025   DST-03T       LG(new), TS=204
 550
 551         VP-1030   DSTMCI,       LG(new), TS=188
 552         VP-1032   DSTMCI,       LG(new), TS=188
 553
 554         Cable
 555         -------------------
 556         VP-2030   DCT-CI,       Samsung, TS=204
 557         VP-2021   DCT-CI,       Unknown, TS=204
 558         VP-2031   DCT-CI,       Philips, TS=188
 559         VP-2040   DCT-CI,       Philips, TS=188, with CA daughter board
 560         VP-2040   DCT-CI,       Philips, TS=204, without CA daughter board
 561
 562         Terrestrial
 563         -------------------
 564         VP-3050  DTTNXT                  TS=188
 565         VP-3040  DTT-CI,        Philips, TS=188
 566         VP-3040  DTT-CI,        Philips, TS=204
 567
 568         ATSC
 569         -------------------
 570         VP-3220  ATSCDI,                 TS=188
 571         VP-3250  ATSCAD,                 TS=188
 572
 573 */
 574
 575 struct dst_types dst_tlist[] = {
 576         {
 577                 .device_id = "200103A",
 578                 .offset = 0,
 579                 .dst_type =  DST_TYPE_IS_SAT,
 580                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
 581                 .dst_feature = 0
 582         },      /*      obsolete        */
 583
 584         {
 585                 .device_id = "DST-020",
 586                 .offset = 0,
 587                 .dst_type =  DST_TYPE_IS_SAT,
 588                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
 589                 .dst_feature = 0
 590         },      /*      obsolete        */
 591
 592         {
 593                 .device_id = "DST-030",
 594                 .offset =  0,
 595                 .dst_type = DST_TYPE_IS_SAT,
 596                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
 597                 .dst_feature = 0
 598         },      /*      obsolete        */
 599
 600         {
 601                 .device_id = "DST-03T",
 602                 .offset = 0,
 603                 .dst_type = DST_TYPE_IS_SAT,
 604                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
 605                 .dst_feature = DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4 | DST_TYPE_HAS_DISEQC5
 606                                                          | DST_TYPE_HAS_MAC | DST_TYPE_HAS_MOTO
 607          },
 608
 609         {
 610                 .device_id = "DST-MOT",
 611                 .offset =  0,
 612                 .dst_type = DST_TYPE_IS_SAT,
 613                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
 614                 .dst_feature = 0
 615         },      /*      obsolete        */
 616
 617         {
 618                 .device_id = "DST-CI",
 619                 .offset = 1,
 620                 .dst_type = DST_TYPE_IS_SAT,
 621                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
 622                 .dst_feature = DST_TYPE_HAS_CA
 623         },      /*      An OEM board    */
 624
 625         {
 626                 .device_id = "DSTMCI",
 627                 .offset = 1,
 628                 .dst_type = DST_TYPE_IS_SAT,
 629                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
 630                 .dst_feature = DST_TYPE_HAS_CA | DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4
 631                                                         | DST_TYPE_HAS_MOTO | DST_TYPE_HAS_MAC
 632         },
 633
 634         {
 635                 .device_id = "DSTFCI",
 636                 .offset = 1,
 637                 .dst_type = DST_TYPE_IS_SAT,
 638                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
 639                 .dst_feature = 0
 640         },      /* unknown to vendor    */
 641
 642         {
 643                 .device_id = "DCT-CI",
 644                 .offset = 1,
 645                 .dst_type = DST_TYPE_IS_CABLE,
 646                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1
 647                                                         | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
 648                 .dst_feature = DST_TYPE_HAS_CA
 649         },
 650
 651         {
 652                 .device_id = "DCTNEW",
 653                 .offset = 1,
 654                 .dst_type = DST_TYPE_IS_CABLE,
 655                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_3,
 656                 .dst_feature = 0
 657         },
 658
 659         {
 660                 .device_id = "DTT-CI",
 661                 .offset = 1,
 662                 .dst_type = DST_TYPE_IS_TERR,
 663                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
 664                 .dst_feature = 0
 665         },
 666
 667         {
 668                 .device_id = "DTTDIG",
 669                 .offset = 1,
 670                 .dst_type = DST_TYPE_IS_TERR,
 671                 .type_flags = DST_TYPE_HAS_FW_2,
 672                 .dst_feature = 0
 673         },
 674
 675         {
 676                 .device_id = "DTTNXT",
 677                 .offset = 1,
 678                 .dst_type = DST_TYPE_IS_TERR,
 679                 .type_flags = DST_TYPE_HAS_FW_2,
 680                 .dst_feature = DST_TYPE_HAS_ANALOG
 681         },
 682
 683         {
 684                 .device_id = "ATSCDI",
 685                 .offset = 1,
 686                 .dst_type = DST_TYPE_IS_ATSC,
 687                 .type_flags = DST_TYPE_HAS_FW_2,
 688                 .dst_feature = 0
 689         },
 690
 691         {
 692                 .device_id = "ATSCAD",
 693                 .offset = 1,
 694                 .dst_type = DST_TYPE_IS_ATSC,
 695                 .type_flags = DST_TYPE_HAS_FW_2,
 696                 .dst_feature = 0
 697         },
 698
 699         { }
 700
 701 };
 702
 703
 704 static int dst_get_device_id(struct dst_state *state)
 705 {
 706         u8 reply;
 707
 708         int i;
 709         struct dst_types *p_dst_type;
 710         u8 use_dst_type = 0;
 711         u32 use_type_flags = 0;
 712
 713         static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
 714
 715         device_type[7] = dst_check_sum(device_type, 7);
 716
 717         if (write_dst(state, device_type, FIXED_COMM))
 718                 return -1;              /*      Write failed            */
 719
 720         if ((dst_pio_disable(state)) < 0)
 721                 return -1;
 722
 723         if (read_dst(state, &reply, GET_ACK))
 724                 return -1;              /*      Read failure            */
 725
 726         if (reply != ACK) {
 727                 dprintk("%s: Write not Acknowledged! [Reply=0x%02x]\n", __FUNCTION__, reply);
 728                 return -1;              /*      Unack'd write           */
 729         }
 730
 731         if (!dst_wait_dst_ready(state, DEVICE_INIT))
 732                 return -1;              /*      DST not ready yet       */
 733
 734         if (read_dst(state, state->rxbuffer, FIXED_COMM))
 735                 return -1;
 736
 737         dst_pio_disable(state);
 738
 739         if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
 740                 dprintk("%s: Checksum failure! \n", __FUNCTION__);
 741                 return -1;              /*      Checksum failure        */
 742         }
 743
 744         state->rxbuffer[7] = '\0';
 745
 746         for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE (dst_tlist); i++, p_dst_type++) {
 747                 if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
 748                         use_type_flags = p_dst_type->type_flags;
 749                         use_dst_type = p_dst_type->dst_type;
 750
 751                         /*      Card capabilities       */
 752                         state->dst_hw_cap = p_dst_type->dst_feature;
 753                         printk ("%s: Recognise [%s]\n", __FUNCTION__, p_dst_type->device_id);
 754
 755                         break;
 756                 }
 757         }
 758
 759         if (i >= sizeof (dst_tlist) / sizeof (dst_tlist [0])) {
 760                 printk("%s: Unable to recognize %s or %s\n", __FUNCTION__, &state->rxbuffer[0], &state->rxbuffer[1]);
 761                 printk("%s: please email linux-dvb@linuxtv.org with this type in\n", __FUNCTION__);
 762                 use_dst_type = DST_TYPE_IS_SAT;
 763                 use_type_flags = DST_TYPE_HAS_SYMDIV;
 764         }
 765
 766         dst_type_print(use_dst_type);
 767         state->type_flags = use_type_flags;
 768         state->dst_type = use_dst_type;
 769         dst_type_flags_print(state->type_flags);
 770
 771         if (state->type_flags & DST_TYPE_HAS_TS204) {
 772                 dst_packsize(state, 204);
 773         }
 774
 775         return 0;
 776 }
 777
 778 static int dst_probe(struct dst_state *state)
 779 {
 780         if ((rdc_8820_reset(state)) < 0) {
 781                 dprintk("%s: RDC 8820 RESET Failed.\n", __FUNCTION__);
 782                 return -1;
 783         }
 784         if (dst_addons & DST_TYPE_HAS_CA)
 785                 msleep(4000);
 786         else
 787                 msleep(100);
 788
 789         if ((dst_comm_init(state)) < 0) {
 790                 dprintk("%s: DST Initialization Failed.\n", __FUNCTION__);
 791                 return -1;
 792         }
 793         msleep(100);
 794         if (dst_get_device_id(state) < 0) {
 795                 dprintk("%s: unknown device.\n", __FUNCTION__);
 796                 return -1;
 797         }
 798
 799         return 0;
 800 }
 801
 802 int dst_command(struct dst_state* state, u8 * data, u8 len)
 803 {
 804         u8 reply;
 805         if ((dst_comm_init(state)) < 0) {
 806                 dprintk("%s: DST Communication Initialization Failed.\n", __FUNCTION__);
 807                 return -1;
 808         }
 809
 810         if (write_dst(state, data, len)) {
 811                 if (verbose > 1)
 812                         dprintk("%s: Tring to recover.. \n", __FUNCTION__);
 813                 if ((dst_error_recovery(state)) < 0) {
 814                         dprintk("%s: Recovery Failed.\n", __FUNCTION__);
 815                         return -1;
 816                 }
 817                 return -1;
 818         }
 819         if ((dst_pio_disable(state)) < 0) {
 820                 dprintk("%s: PIO Disable Failed.\n", __FUNCTION__);
 821                 return -1;
 822         }
 823         if (state->type_flags & DST_TYPE_HAS_FW_1)
 824                 udelay(3000);
 825
 826         if (read_dst(state, &reply, GET_ACK)) {
 827                 if (verbose > 1)
 828                         dprintk("%s: Trying to recover.. \n", __FUNCTION__);
 829                 if ((dst_error_recovery(state)) < 0) {
 830                         dprintk("%s: Recovery Failed.\n", __FUNCTION__);
 831                         return -1;
 832                 }
 833                 return -1;
 834         }
 835
 836         if (reply != ACK) {
 837                 dprintk("%s: write not acknowledged 0x%02x \n", __FUNCTION__, reply);
 838                 return -1;
 839         }
 840         if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
 841                 return 0;
 842
 843 //      udelay(3000);
 844         if (state->type_flags & DST_TYPE_HAS_FW_1)
 845                 udelay(3000);
 846         else
 847                 udelay(2000);
 848
 849         if (!dst_wait_dst_ready(state, NO_DELAY))
 850                 return -1;
 851
 852         if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
 853                 if (verbose > 1)
 854                         dprintk("%s: Trying to recover.. \n", __FUNCTION__);
 855                 if ((dst_error_recovery(state)) < 0) {
 856                         dprintk("%s: Recovery failed.\n", __FUNCTION__);
 857                         return -1;
 858                 }
 859                 return -1;
 860         }
 861
 862         if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
 863                 dprintk("%s: checksum failure\n", __FUNCTION__);
 864                 return -1;
 865         }
 866
 867         return 0;
 868 }
 869 EXPORT_SYMBOL(dst_command);
 870
 871 static int dst_get_signal(struct dst_state* state)
 872 {
 873         int retval;
 874         u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
 875
 876         if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
 877                 state->decode_lock = state->decode_strength = state->decode_snr = 0;
 878                 return 0;
 879         }
 880         if (0 == (state->diseq_flags & HAS_LOCK)) {
 881                 state->decode_lock = state->decode_strength = state->decode_snr = 0;
 882                 return 0;
 883         }
 884         if (time_after_eq(jiffies, state->cur_jiff + (HZ / 5))) {
 885                 retval = dst_command(state, get_signal, 8);
 886                 if (retval < 0)
 887                         return retval;
 888                 if (state->dst_type == DST_TYPE_IS_SAT) {
 889                         state->decode_lock = ((state->rxbuffer[6] & 0x10) == 0) ? 1 : 0;
 890                         state->decode_strength = state->rxbuffer[5] << 8;
 891                         state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
 892                 } else if ((state->dst_type == DST_TYPE_IS_TERR) || (state->dst_type == DST_TYPE_IS_CABLE)) {
 893                         state->decode_lock = (state->rxbuffer[1]) ? 1 : 0;
 894                         state->decode_strength = state->rxbuffer[4] << 8;
 895                         state->decode_snr = state->rxbuffer[3] << 8;
 896                 }
 897                 state->cur_jiff = jiffies;
 898         }
 899         return 0;
 900 }
 901
 902 static int dst_tone_power_cmd(struct dst_state* state)
 903 {
 904         u8 paket[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
 905
 906         if (state->dst_type == DST_TYPE_IS_TERR)
 907                 return 0;
 908
 909         paket[4] = state->tx_tuna[4];
 910         paket[2] = state->tx_tuna[2];
 911         paket[3] = state->tx_tuna[3];
 912         paket[7] = dst_check_sum (paket, 7);
 913         dst_command(state, paket, 8);
 914
 915         return 0;
 916 }
 917
 918 static int dst_get_tuna(struct dst_state* state)
 919 {
 920         int retval;
 921
 922         if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
 923                 return 0;
 924
 925         state->diseq_flags &= ~(HAS_LOCK);
 926         if (!dst_wait_dst_ready(state, NO_DELAY))
 927                 return 0;
 928
 929         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
 930                 /* how to get variable length reply ???? */
 931                 retval = read_dst(state, state->rx_tuna, 10);
 932         } else {
 933                 retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
 934         }
 935
 936         if (retval < 0) {
 937                 dprintk("%s: read not successful\n", __FUNCTION__);
 938                 return 0;
 939         }
 940
 941         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
 942                 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
 943                         dprintk("%s: checksum failure?\n", __FUNCTION__);
 944                         return 0;
 945                 }
 946         } else {
 947                 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
 948                         dprintk("%s: checksum failure?\n", __FUNCTION__);
 949                         return 0;
 950                 }
 951         }
 952         if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
 953                 return 0;
 954         state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 8) + state->rx_tuna[3];
 955
 956         state->decode_lock = 1;
 957         /*
 958            dst->decode_n1 = (dst->rx_tuna[4] << 8) +
 959            (dst->rx_tuna[5]);
 960
 961            dst->decode_n2 = (dst->rx_tuna[8] << 8) +
 962            (dst->rx_tuna[7]);
 963          */
 964         state->diseq_flags |= HAS_LOCK;
 965         /* dst->cur_jiff = jiffies; */
 966         return 1;
 967 }
 968
 969 static int dst_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage);
 970
 971 static int dst_write_tuna(struct dvb_frontend* fe)
 972 {
 973         struct dst_state* state = fe->demodulator_priv;
 974         int retval;
 975         u8 reply;
 976
 977         if (debug > 4)
 978                 dprintk("%s: type_flags 0x%x \n", __FUNCTION__, state->type_flags);
 979
 980         state->decode_freq = 0;
 981         state->decode_lock = state->decode_strength = state->decode_snr = 0;
 982         if (state->dst_type == DST_TYPE_IS_SAT) {
 983                 if (!(state->diseq_flags & HAS_POWER))
 984                         dst_set_voltage(fe, SEC_VOLTAGE_13);
 985         }
 986         state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
 987
 988         if ((dst_comm_init(state)) < 0) {
 989                 dprintk("%s: DST Communication initialization failed.\n", __FUNCTION__);
 990                 return -1;
 991         }
 992
 993         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
 994                 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
 995                 retval = write_dst(state, &state->tx_tuna[0], 10);
 996
 997         } else {
 998                 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
 999                 retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
1000         }
1001         if (retval < 0) {
1002                 dst_pio_disable(state);
1003                 dprintk("%s: write not successful\n", __FUNCTION__);
1004                 return retval;
1005         }
1006
1007         if ((dst_pio_disable(state)) < 0) {
1008                 dprintk("%s: DST PIO disable failed !\n", __FUNCTION__);
1009                 return -1;
1010         }
1011
1012         if ((read_dst(state, &reply, GET_ACK) < 0)) {
1013                 dprintk("%s: read verify not successful.\n", __FUNCTION__);
1014                 return -1;
1015         }
1016         if (reply != ACK) {
1017                 dprintk("%s: write not acknowledged 0x%02x \n", __FUNCTION__, reply);
1018                 return 0;
1019         }
1020         state->diseq_flags |= ATTEMPT_TUNE;
1021
1022         return dst_get_tuna(state);
1023 }
1024
1025 /*
1026  * line22k0    0x00, 0x09, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00
1027  * line22k1    0x00, 0x09, 0x01, 0xff, 0x01, 0x00, 0x00, 0x00
1028  * line22k2    0x00, 0x09, 0x02, 0xff, 0x01, 0x00, 0x00, 0x00
1029  * tone        0x00, 0x09, 0xff, 0x00, 0x01, 0x00, 0x00, 0x00
1030  * data        0x00, 0x09, 0xff, 0x01, 0x01, 0x00, 0x00, 0x00
1031  * power_off   0x00, 0x09, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
1032  * power_on    0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
1033  * Diseqc 1    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec
1034  * Diseqc 2    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf4, 0xe8
1035  * Diseqc 3    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf8, 0xe4
1036  * Diseqc 4    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xfc, 0xe0
1037  */
1038
1039 static int dst_set_diseqc(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd)
1040 {
1041         struct dst_state* state = fe->demodulator_priv;
1042         u8 paket[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1043
1044         if (state->dst_type != DST_TYPE_IS_SAT)
1045                 return 0;
1046
1047         if (cmd->msg_len == 0 || cmd->msg_len > 4)
1048                 return -EINVAL;
1049         memcpy(&paket[3], cmd->msg, cmd->msg_len);
1050         paket[7] = dst_check_sum(&paket[0], 7);
1051         dst_command(state, paket, 8);
1052         return 0;
1053 }
1054
1055 static int dst_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
1056 {
1057         int need_cmd;
1058         struct dst_state* state = fe->demodulator_priv;
1059
1060         state->voltage = voltage;
1061
1062         if (state->dst_type != DST_TYPE_IS_SAT)
1063                 return 0;
1064
1065         need_cmd = 0;
1066         switch (voltage) {
1067                 case SEC_VOLTAGE_13:
1068                 case SEC_VOLTAGE_18:
1069                         if ((state->diseq_flags & HAS_POWER) == 0)
1070                                 need_cmd = 1;
1071                         state->diseq_flags |= HAS_POWER;
1072                         state->tx_tuna[4] = 0x01;
1073                         break;
1074
1075                 case SEC_VOLTAGE_OFF:
1076                         need_cmd = 1;
1077                         state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
1078                         state->tx_tuna[4] = 0x00;
1079                         break;
1080
1081                 default:
1082                         return -EINVAL;
1083         }
1084         if (need_cmd)
1085                 dst_tone_power_cmd(state);
1086
1087         return 0;
1088 }
1089
1090 static int dst_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
1091 {
1092         struct dst_state* state = fe->demodulator_priv;
1093
1094         state->tone = tone;
1095
1096         if (state->dst_type != DST_TYPE_IS_SAT)
1097                 return 0;
1098
1099         switch (tone) {
1100                 case SEC_TONE_OFF:
1101                         state->tx_tuna[2] = 0xff;
1102                         break;
1103
1104                 case SEC_TONE_ON:
1105                         state->tx_tuna[2] = 0x02;
1106                         break;
1107
1108                 default:
1109                         return -EINVAL;
1110         }
1111         dst_tone_power_cmd(state);
1112
1113         return 0;
1114 }
1115
1116 static int dst_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t minicmd)
1117 {
1118         struct dst_state *state = fe->demodulator_priv;
1119
1120         if (state->dst_type != DST_TYPE_IS_SAT)
1121                 return 0;
1122
1123         state->minicmd = minicmd;
1124
1125         switch (minicmd) {
1126                 case SEC_MINI_A:
1127                         state->tx_tuna[3] = 0x02;
1128                         break;
1129                 case SEC_MINI_B:
1130                         state->tx_tuna[3] = 0xff;
1131                         break;
1132         }
1133         dst_tone_power_cmd(state);
1134
1135         return 0;
1136 }
1137
1138
1139 static int dst_init(struct dvb_frontend* fe)
1140 {
1141         struct dst_state* state = fe->demodulator_priv;
1142         static u8 ini_satci_tuna[] = { 9, 0, 3, 0xb6, 1, 0, 0x73, 0x21, 0, 0 };
1143         static u8 ini_satfta_tuna[] = { 0, 0, 3, 0xb6, 1, 0x55, 0xbd, 0x50, 0, 0 };
1144         static u8 ini_tvfta_tuna[] = { 0, 0, 3, 0xb6, 1, 7, 0x0, 0x0, 0, 0 };
1145         static u8 ini_tvci_tuna[] = { 9, 0, 3, 0xb6, 1, 7, 0x0, 0x0, 0, 0 };
1146         static u8 ini_cabfta_tuna[] = { 0, 0, 3, 0xb6, 1, 7, 0x0, 0x0, 0, 0 };
1147         static u8 ini_cabci_tuna[] = { 9, 0, 3, 0xb6, 1, 7, 0x0, 0x0, 0, 0 };
1148         state->inversion = INVERSION_ON;
1149         state->voltage = SEC_VOLTAGE_13;
1150         state->tone = SEC_TONE_OFF;
1151         state->symbol_rate = 29473000;
1152         state->fec = FEC_AUTO;
1153         state->diseq_flags = 0;
1154         state->k22 = 0x02;
1155         state->bandwidth = BANDWIDTH_7_MHZ;
1156         state->cur_jiff = jiffies;
1157         if (state->dst_type == DST_TYPE_IS_SAT) {
1158                 state->frequency = 950000;
1159                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? ini_satci_tuna : ini_satfta_tuna), sizeof(ini_satfta_tuna));
1160         } else if (state->dst_type == DST_TYPE_IS_TERR) {
1161                 state->frequency = 137000000;
1162                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? ini_tvci_tuna : ini_tvfta_tuna), sizeof(ini_tvfta_tuna));
1163         } else if (state->dst_type == DST_TYPE_IS_CABLE) {
1164                 state->frequency = 51000000;
1165                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? ini_cabci_tuna : ini_cabfta_tuna), sizeof(ini_cabfta_tuna));
1166         }
1167
1168         return 0;
1169 }
1170
1171 static int dst_read_status(struct dvb_frontend* fe, fe_status_t* status)
1172 {
1173         struct dst_state* state = fe->demodulator_priv;
1174
1175         *status = 0;
1176         if (state->diseq_flags & HAS_LOCK) {
1177                 dst_get_signal(state);
1178                 if (state->decode_lock)
1179                         *status |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_SYNC | FE_HAS_VITERBI;
1180         }
1181
1182         return 0;
1183 }
1184
1185 static int dst_read_signal_strength(struct dvb_frontend* fe, u16* strength)
1186 {
1187         struct dst_state* state = fe->demodulator_priv;
1188
1189         dst_get_signal(state);
1190         *strength = state->decode_strength;
1191
1192         return 0;
1193 }
1194
1195 static int dst_read_snr(struct dvb_frontend* fe, u16* snr)
1196 {
1197         struct dst_state* state = fe->demodulator_priv;
1198
1199         dst_get_signal(state);
1200         *snr = state->decode_snr;
1201
1202         return 0;
1203 }
1204
1205 static int dst_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
1206 {
1207         struct dst_state* state = fe->demodulator_priv;
1208
1209         dst_set_freq(state, p->frequency);
1210         if (verbose > 4)
1211                 dprintk("Set Frequency = [%d]\n", p->frequency);
1212
1213         dst_set_inversion(state, p->inversion);
1214         if (state->dst_type == DST_TYPE_IS_SAT) {
1215                 dst_set_fec(state, p->u.qpsk.fec_inner);
1216                 dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1217                 if (verbose > 4)
1218                         dprintk("Set Symbolrate = [%d]\n", p->u.qpsk.symbol_rate);
1219
1220         } else if (state->dst_type == DST_TYPE_IS_TERR) {
1221                 dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1222         } else if (state->dst_type == DST_TYPE_IS_CABLE) {
1223                 dst_set_fec(state, p->u.qam.fec_inner);
1224                 dst_set_symbolrate(state, p->u.qam.symbol_rate);
1225         }
1226         dst_write_tuna(fe);
1227
1228         return 0;
1229 }
1230
1231 static int dst_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
1232 {
1233         struct dst_state* state = fe->demodulator_priv;
1234
1235         p->frequency = state->decode_freq;
1236         p->inversion = state->inversion;
1237         if (state->dst_type == DST_TYPE_IS_SAT) {
1238                 p->u.qpsk.symbol_rate = state->symbol_rate;
1239                 p->u.qpsk.fec_inner = dst_get_fec(state);
1240         } else if (state->dst_type == DST_TYPE_IS_TERR) {
1241                 p->u.ofdm.bandwidth = state->bandwidth;
1242         } else if (state->dst_type == DST_TYPE_IS_CABLE) {
1243                 p->u.qam.symbol_rate = state->symbol_rate;
1244                 p->u.qam.fec_inner = dst_get_fec(state);
1245                 p->u.qam.modulation = QAM_AUTO;
1246         }
1247
1248         return 0;
1249 }
1250
1251 static void dst_release(struct dvb_frontend* fe)
1252 {
1253         struct dst_state* state = fe->demodulator_priv;
1254         kfree(state);
1255 }
1256
1257 static struct dvb_frontend_ops dst_dvbt_ops;
1258 static struct dvb_frontend_ops dst_dvbs_ops;
1259 static struct dvb_frontend_ops dst_dvbc_ops;
1260
1261 struct dst_state* dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
1262 {
1263
1264         /* check if the ASIC is there */
1265         if (dst_probe(state) < 0) {
1266                 if (state)
1267                         kfree(state);
1268
1269                 return NULL;
1270         }
1271         /* determine settings based on type */
1272         switch (state->dst_type) {
1273         case DST_TYPE_IS_TERR:
1274                 memcpy(&state->ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
1275                 break;
1276
1277         case DST_TYPE_IS_CABLE:
1278                 memcpy(&state->ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
1279                 break;
1280
1281         case DST_TYPE_IS_SAT:
1282                 memcpy(&state->ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
1283                 break;
1284
1285         default:
1286                 printk("%s: unknown DST type. please report to the LinuxTV.org DVB mailinglist.\n", __FUNCTION__);
1287                 if (state)
1288                         kfree(state);
1289
1290                 return NULL;
1291         }
1292
1293         /* create dvb_frontend */
1294         state->frontend.ops = &state->ops;
1295         state->frontend.demodulator_priv = state;
1296
1297         return state;                           /*      Manu (DST is a card not a frontend)     */
1298 }
1299
1300 EXPORT_SYMBOL(dst_attach);
1301
1302 static struct dvb_frontend_ops dst_dvbt_ops = {
1303
1304         .info = {
1305                 .name = "DST DVB-T",
1306                 .type = FE_OFDM,
1307                 .frequency_min = 137000000,
1308                 .frequency_max = 858000000,
1309                 .frequency_stepsize = 166667,
1310                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO
1311         },
1312
1313         .release = dst_release,
1314
1315         .init = dst_init,
1316
1317         .set_frontend = dst_set_frontend,
1318         .get_frontend = dst_get_frontend,
1319
1320         .read_status = dst_read_status,
1321         .read_signal_strength = dst_read_signal_strength,
1322         .read_snr = dst_read_snr,
1323 };
1324
1325 static struct dvb_frontend_ops dst_dvbs_ops = {
1326
1327         .info = {
1328                 .name = "DST DVB-S",
1329                 .type = FE_QPSK,
1330                 .frequency_min = 950000,
1331                 .frequency_max = 2150000,
1332                 .frequency_stepsize = 1000,     /* kHz for QPSK frontends */
1333                 .frequency_tolerance = 29500,
1334                 .symbol_rate_min = 1000000,
1335                 .symbol_rate_max = 45000000,
1336         /*     . symbol_rate_tolerance  =       ???,*/
1337                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QPSK
1338         },
1339
1340         .release = dst_release,
1341
1342         .init = dst_init,
1343
1344         .set_frontend = dst_set_frontend,
1345         .get_frontend = dst_get_frontend,
1346
1347         .read_status = dst_read_status,
1348         .read_signal_strength = dst_read_signal_strength,
1349         .read_snr = dst_read_snr,
1350
1351         .diseqc_send_burst = dst_send_burst,
1352         .diseqc_send_master_cmd = dst_set_diseqc,
1353         .set_voltage = dst_set_voltage,
1354         .set_tone = dst_set_tone,
1355 };
1356
1357 static struct dvb_frontend_ops dst_dvbc_ops = {
1358
1359         .info = {
1360                 .name = "DST DVB-C",
1361                 .type = FE_QAM,
1362                 .frequency_stepsize = 62500,
1363                 .frequency_min = 51000000,
1364                 .frequency_max = 858000000,
1365                 .symbol_rate_min = 1000000,
1366                 .symbol_rate_max = 45000000,
1367         /*     . symbol_rate_tolerance  =       ???,*/
1368                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO
1369         },
1370
1371         .release = dst_release,
1372
1373         .init = dst_init,
1374
1375         .set_frontend = dst_set_frontend,
1376         .get_frontend = dst_get_frontend,
1377
1378         .read_status = dst_read_status,
1379         .read_signal_strength = dst_read_signal_strength,
1380         .read_snr = dst_read_snr,
1381 };
1382
1383
1384 MODULE_DESCRIPTION("DST DVB-S/T/C Combo Frontend driver");
1385 MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1386 MODULE_LICENSE("GPL");