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   1 /*
   2         Frontend/Card driver for TwinHan DST Frontend
   3         Copyright (C) 2003 Jamie Honan
   4         Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
   5
   6         This program is free software; you can redistribute it and/or modify
   7         it under the terms of the GNU General Public License as published by
   8         the Free Software Foundation; either version 2 of the License, or
   9         (at your option) any later version.
  10
  11         This program is distributed in the hope that it will be useful,
  12         but WITHOUT ANY WARRANTY; without even the implied warranty of
  13         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14         GNU General Public License for more details.
  15
  16         You should have received a copy of the GNU General Public License
  17         along with this program; if not, write to the Free Software
  18         Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include <linux/kernel.h>
  22 #include <linux/module.h>
  23 #include <linux/init.h>
  24 #include <linux/string.h>
  25 #include <linux/slab.h>
  26 #include <linux/vmalloc.h>
  27 #include <linux/delay.h>
  28 #include <asm/div64.h>
  29 #include "dvb_frontend.h"
  30 #include "dst_priv.h"
  31 #include "dst_common.h"
  32
  33 static unsigned int verbose = 1;
  34 module_param(verbose, int, 0644);
  35 MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
  36
  37 static unsigned int dst_addons;
  38 module_param(dst_addons, int, 0644);
  39 MODULE_PARM_DESC(dst_addons, "CA daughterboard, default is 0 (No addons)");
  40
  41 static unsigned int dst_algo;
  42 module_param(dst_algo, int, 0644);
  43 MODULE_PARM_DESC(dst_algo, "tuning algo: default is 0=(SW), 1=(HW)");
  44
  45 #define HAS_LOCK                1
  46 #define ATTEMPT_TUNE            2
  47 #define HAS_POWER               4
  48
  49 #define DST_ERROR               0
  50 #define DST_NOTICE              1
  51 #define DST_INFO                2
  52 #define DST_DEBUG               3
  53
  54 #define dprintk(x, y, z, format, arg...) do {                                           \
  55         if (z) {                                                                        \
  56                 if      ((x > DST_ERROR) && (x > y))                                    \
  57                         printk(KERN_ERR "%s: " format "\n", __FUNCTION__ , ##arg);      \
  58                 else if ((x > DST_NOTICE) && (x > y))                                   \
  59                         printk(KERN_NOTICE "%s: " format "\n", __FUNCTION__ , ##arg);   \
  60                 else if ((x > DST_INFO) && (x > y))                                     \
  61                         printk(KERN_INFO "%s: " format "\n", __FUNCTION__ , ##arg);     \
  62                 else if ((x > DST_DEBUG) && (x > y))                                    \
  63                         printk(KERN_DEBUG "%s: " format "\n", __FUNCTION__ , ##arg);    \
  64         } else {                                                                        \
  65                 if (x > y)                                                              \
  66                         printk(format, ##arg);                                          \
  67         }                                                                               \
  68 } while(0)
  69
  70
  71 static void dst_packsize(struct dst_state *state, int psize)
  72 {
  73         union dst_gpio_packet bits;
  74
  75         bits.psize = psize;
  76         bt878_device_control(state->bt, DST_IG_TS, &bits);
  77 }
  78
  79 int dst_gpio_outb(struct dst_state *state, u32 mask, u32 enbb, u32 outhigh, int delay)
  80 {
  81         union dst_gpio_packet enb;
  82         union dst_gpio_packet bits;
  83         int err;
  84
  85         enb.enb.mask = mask;
  86         enb.enb.enable = enbb;
  87
  88         dprintk(verbose, DST_INFO, 1, "mask=[%04x], enbb=[%04x], outhigh=[%04x]", mask, enbb, outhigh);
  89         if ((err = bt878_device_control(state->bt, DST_IG_ENABLE, &enb)) < 0) {
  90                 dprintk(verbose, DST_INFO, 1, "dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)", err, mask, enbb);
  91                 return -EREMOTEIO;
  92         }
  93         udelay(1000);
  94         /* because complete disabling means no output, no need to do output packet */
  95         if (enbb == 0)
  96                 return 0;
  97         if (delay)
  98                 msleep(10);
  99         bits.outp.mask = enbb;
 100         bits.outp.highvals = outhigh;
 101         if ((err = bt878_device_control(state->bt, DST_IG_WRITE, &bits)) < 0) {
 102                 dprintk(verbose, DST_INFO, 1, "dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)", err, enbb, outhigh);
 103                 return -EREMOTEIO;
 104         }
 105
 106         return 0;
 107 }
 108 EXPORT_SYMBOL(dst_gpio_outb);
 109
 110 int dst_gpio_inb(struct dst_state *state, u8 *result)
 111 {
 112         union dst_gpio_packet rd_packet;
 113         int err;
 114
 115         *result = 0;
 116         if ((err = bt878_device_control(state->bt, DST_IG_READ, &rd_packet)) < 0) {
 117                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb error (err == %i)\n", err);
 118                 return -EREMOTEIO;
 119         }
 120         *result = (u8) rd_packet.rd.value;
 121
 122         return 0;
 123 }
 124 EXPORT_SYMBOL(dst_gpio_inb);
 125
 126 int rdc_reset_state(struct dst_state *state)
 127 {
 128         dprintk(verbose, DST_INFO, 1, "Resetting state machine");
 129         if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, 0, NO_DELAY) < 0) {
 130                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
 131                 return -1;
 132         }
 133         msleep(10);
 134         if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, RDC_8820_INT, NO_DELAY) < 0) {
 135                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
 136                 msleep(10);
 137                 return -1;
 138         }
 139
 140         return 0;
 141 }
 142 EXPORT_SYMBOL(rdc_reset_state);
 143
 144 int rdc_8820_reset(struct dst_state *state)
 145 {
 146         dprintk(verbose, DST_DEBUG, 1, "Resetting DST");
 147         if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, 0, NO_DELAY) < 0) {
 148                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
 149                 return -1;
 150         }
 151         udelay(1000);
 152         if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, RDC_8820_RESET, DELAY) < 0) {
 153                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
 154                 return -1;
 155         }
 156
 157         return 0;
 158 }
 159 EXPORT_SYMBOL(rdc_8820_reset);
 160
 161 int dst_pio_enable(struct dst_state *state)
 162 {
 163         if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_ENABLE, 0, NO_DELAY) < 0) {
 164                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
 165                 return -1;
 166         }
 167         udelay(1000);
 168
 169         return 0;
 170 }
 171 EXPORT_SYMBOL(dst_pio_enable);
 172
 173 int dst_pio_disable(struct dst_state *state)
 174 {
 175         if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_DISABLE, RDC_8820_PIO_0_DISABLE, NO_DELAY) < 0) {
 176                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
 177                 return -1;
 178         }
 179         if (state->type_flags & DST_TYPE_HAS_FW_1)
 180                 udelay(1000);
 181
 182         return 0;
 183 }
 184 EXPORT_SYMBOL(dst_pio_disable);
 185
 186 int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode)
 187 {
 188         u8 reply;
 189         int i;
 190
 191         for (i = 0; i < 200; i++) {
 192                 if (dst_gpio_inb(state, &reply) < 0) {
 193                         dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb ERROR !");
 194                         return -1;
 195                 }
 196                 if ((reply & RDC_8820_PIO_0_ENABLE) == 0) {
 197                         dprintk(verbose, DST_INFO, 1, "dst wait ready after %d", i);
 198                         return 1;
 199                 }
 200                 msleep(10);
 201         }
 202         dprintk(verbose, DST_NOTICE, 1, "dst wait NOT ready after %d", i);
 203
 204         return 0;
 205 }
 206 EXPORT_SYMBOL(dst_wait_dst_ready);
 207
 208 int dst_error_recovery(struct dst_state *state)
 209 {
 210         dprintk(verbose, DST_NOTICE, 1, "Trying to return from previous errors.");
 211         dst_pio_disable(state);
 212         msleep(10);
 213         dst_pio_enable(state);
 214         msleep(10);
 215
 216         return 0;
 217 }
 218 EXPORT_SYMBOL(dst_error_recovery);
 219
 220 int dst_error_bailout(struct dst_state *state)
 221 {
 222         dprintk(verbose, DST_INFO, 1, "Trying to bailout from previous error.");
 223         rdc_8820_reset(state);
 224         dst_pio_disable(state);
 225         msleep(10);
 226
 227         return 0;
 228 }
 229 EXPORT_SYMBOL(dst_error_bailout);
 230
 231 int dst_comm_init(struct dst_state *state)
 232 {
 233         dprintk(verbose, DST_INFO, 1, "Initializing DST.");
 234         if ((dst_pio_enable(state)) < 0) {
 235                 dprintk(verbose, DST_ERROR, 1, "PIO Enable Failed");
 236                 return -1;
 237         }
 238         if ((rdc_reset_state(state)) < 0) {
 239                 dprintk(verbose, DST_ERROR, 1, "RDC 8820 State RESET Failed.");
 240                 return -1;
 241         }
 242         if (state->type_flags & DST_TYPE_HAS_FW_1)
 243                 msleep(100);
 244         else
 245                 msleep(5);
 246
 247         return 0;
 248 }
 249 EXPORT_SYMBOL(dst_comm_init);
 250
 251 int write_dst(struct dst_state *state, u8 *data, u8 len)
 252 {
 253         struct i2c_msg msg = {
 254                 .addr = state->config->demod_address,
 255                 .flags = 0,
 256                 .buf = data,
 257                 .len = len
 258         };
 259
 260         int err;
 261         u8 cnt, i;
 262
 263         dprintk(verbose, DST_NOTICE, 0, "writing [ ");
 264         for (i = 0; i < len; i++)
 265                 dprintk(verbose, DST_NOTICE, 0, "%02x ", data[i]);
 266         dprintk(verbose, DST_NOTICE, 0, "]\n");
 267
 268         for (cnt = 0; cnt < 2; cnt++) {
 269                 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
 270                         dprintk(verbose, DST_INFO, 1, "_write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, data[0]);
 271                         dst_error_recovery(state);
 272                         continue;
 273                 } else
 274                         break;
 275         }
 276         if (cnt >= 2) {
 277                 dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
 278                 dst_error_bailout(state);
 279
 280                 return -1;
 281         }
 282
 283         return 0;
 284 }
 285 EXPORT_SYMBOL(write_dst);
 286
 287 int read_dst(struct dst_state *state, u8 *ret, u8 len)
 288 {
 289         struct i2c_msg msg = {
 290                 .addr = state->config->demod_address,
 291                 .flags = I2C_M_RD,
 292                 .buf = ret,
 293                 .len = len
 294         };
 295
 296         int err;
 297         int cnt;
 298
 299         for (cnt = 0; cnt < 2; cnt++) {
 300                 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
 301                         dprintk(verbose, DST_INFO, 1, "read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, ret[0]);
 302                         dst_error_recovery(state);
 303                         continue;
 304                 } else
 305                         break;
 306         }
 307         if (cnt >= 2) {
 308                 dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
 309                 dst_error_bailout(state);
 310
 311                 return -1;
 312         }
 313         dprintk(verbose, DST_DEBUG, 1, "reply is 0x%x", ret[0]);
 314         for (err = 1; err < len; err++)
 315                 dprintk(verbose, DST_DEBUG, 0, " 0x%x", ret[err]);
 316         if (err > 1)
 317                 dprintk(verbose, DST_DEBUG, 0, "\n");
 318
 319         return 0;
 320 }
 321 EXPORT_SYMBOL(read_dst);
 322
 323 static int dst_set_polarization(struct dst_state *state)
 324 {
 325         switch (state->voltage) {
 326         case SEC_VOLTAGE_13:    /*      Vertical        */
 327                 dprintk(verbose, DST_INFO, 1, "Polarization=[Vertical]");
 328                 state->tx_tuna[8] &= ~0x40;
 329                 break;
 330         case SEC_VOLTAGE_18:    /*      Horizontal      */
 331                 dprintk(verbose, DST_INFO, 1, "Polarization=[Horizontal]");
 332                 state->tx_tuna[8] |= 0x40;
 333                 break;
 334         case SEC_VOLTAGE_OFF:
 335                 break;
 336         }
 337
 338         return 0;
 339 }
 340
 341 static int dst_set_freq(struct dst_state *state, u32 freq)
 342 {
 343         state->frequency = freq;
 344         dprintk(verbose, DST_INFO, 1, "set Frequency %u", freq);
 345
 346         if (state->dst_type == DST_TYPE_IS_SAT) {
 347                 freq = freq / 1000;
 348                 if (freq < 950 || freq > 2150)
 349                         return -EINVAL;
 350                 state->tx_tuna[2] = (freq >> 8);
 351                 state->tx_tuna[3] = (u8) freq;
 352                 state->tx_tuna[4] = 0x01;
 353                 state->tx_tuna[8] &= ~0x04;
 354                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
 355                         if (freq < 1531)
 356                                 state->tx_tuna[8] |= 0x04;
 357                 }
 358         } else if (state->dst_type == DST_TYPE_IS_TERR) {
 359                 freq = freq / 1000;
 360                 if (freq < 137000 || freq > 858000)
 361                         return -EINVAL;
 362                 state->tx_tuna[2] = (freq >> 16) & 0xff;
 363                 state->tx_tuna[3] = (freq >> 8) & 0xff;
 364                 state->tx_tuna[4] = (u8) freq;
 365         } else if (state->dst_type == DST_TYPE_IS_CABLE) {
 366                 freq = freq / 1000;
 367                 state->tx_tuna[2] = (freq >> 16) & 0xff;
 368                 state->tx_tuna[3] = (freq >> 8) & 0xff;
 369                 state->tx_tuna[4] = (u8) freq;
 370         } else if (state->dst_type == DST_TYPE_IS_ATSC) {
 371                 freq = freq / 1000;
 372                 if (freq < 51000 || freq > 858000)
 373                         return -EINVAL;
 374                 state->tx_tuna[2] = (freq >> 16) & 0xff;
 375                 state->tx_tuna[3] = (freq >>  8) & 0xff;
 376                 state->tx_tuna[4] = (u8) freq;
 377                 state->tx_tuna[5] = 0x00;               /*      ATSC    */
 378                 state->tx_tuna[6] = 0x00;
 379                 if (state->dst_hw_cap & DST_TYPE_HAS_ANALOG)
 380                         state->tx_tuna[7] = 0x00;       /*      Digital */
 381         } else
 382                 return -EINVAL;
 383
 384         return 0;
 385 }
 386
 387 static int dst_set_bandwidth(struct dst_state *state, fe_bandwidth_t bandwidth)
 388 {
 389         state->bandwidth = bandwidth;
 390
 391         if (state->dst_type != DST_TYPE_IS_TERR)
 392                 return 0;
 393
 394         switch (bandwidth) {
 395         case BANDWIDTH_6_MHZ:
 396                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
 397                         state->tx_tuna[7] = 0x06;
 398                 else {
 399                         state->tx_tuna[6] = 0x06;
 400                         state->tx_tuna[7] = 0x00;
 401                 }
 402                 break;
 403         case BANDWIDTH_7_MHZ:
 404                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
 405                         state->tx_tuna[7] = 0x07;
 406                 else {
 407                         state->tx_tuna[6] = 0x07;
 408                         state->tx_tuna[7] = 0x00;
 409                 }
 410                 break;
 411         case BANDWIDTH_8_MHZ:
 412                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
 413                         state->tx_tuna[7] = 0x08;
 414                 else {
 415                         state->tx_tuna[6] = 0x08;
 416                         state->tx_tuna[7] = 0x00;
 417                 }
 418                 break;
 419         default:
 420                 return -EINVAL;
 421         }
 422
 423         return 0;
 424 }
 425
 426 static int dst_set_inversion(struct dst_state *state, fe_spectral_inversion_t inversion)
 427 {
 428         state->inversion = inversion;
 429         switch (inversion) {
 430         case INVERSION_OFF:     /*      Inversion = Normal      */
 431                 state->tx_tuna[8] &= ~0x80;
 432                 break;
 433         case INVERSION_ON:
 434                 state->tx_tuna[8] |= 0x80;
 435                 break;
 436         default:
 437                 return -EINVAL;
 438         }
 439
 440         return 0;
 441 }
 442
 443 static int dst_set_fec(struct dst_state *state, fe_code_rate_t fec)
 444 {
 445         state->fec = fec;
 446         return 0;
 447 }
 448
 449 static fe_code_rate_t dst_get_fec(struct dst_state *state)
 450 {
 451         return state->fec;
 452 }
 453
 454 static int dst_set_symbolrate(struct dst_state *state, u32 srate)
 455 {
 456         u32 symcalc;
 457         u64 sval;
 458
 459         state->symbol_rate = srate;
 460         if (state->dst_type == DST_TYPE_IS_TERR) {
 461                 return 0;
 462         }
 463         dprintk(verbose, DST_INFO, 1, "set symrate %u", srate);
 464         srate /= 1000;
 465         if (state->type_flags & DST_TYPE_HAS_SYMDIV) {
 466                 sval = srate;
 467                 sval <<= 20;
 468                 do_div(sval, 88000);
 469                 symcalc = (u32) sval;
 470                 dprintk(verbose, DST_INFO, 1, "set symcalc %u", symcalc);
 471                 state->tx_tuna[5] = (u8) (symcalc >> 12);
 472                 state->tx_tuna[6] = (u8) (symcalc >> 4);
 473                 state->tx_tuna[7] = (u8) (symcalc << 4);
 474         } else {
 475                 state->tx_tuna[5] = (u8) (srate >> 16) & 0x7f;
 476                 state->tx_tuna[6] = (u8) (srate >> 8);
 477                 state->tx_tuna[7] = (u8) srate;
 478         }
 479         state->tx_tuna[8] &= ~0x20;
 480         if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
 481                 if (srate > 8000)
 482                         state->tx_tuna[8] |= 0x20;
 483         }
 484         return 0;
 485 }
 486
 487
 488 static int dst_set_modulation(struct dst_state *state, fe_modulation_t modulation)
 489 {
 490         if (state->dst_type != DST_TYPE_IS_CABLE)
 491                 return 0;
 492
 493         state->modulation = modulation;
 494         switch (modulation) {
 495         case QAM_16:
 496                 state->tx_tuna[8] = 0x10;
 497                 break;
 498         case QAM_32:
 499                 state->tx_tuna[8] = 0x20;
 500                 break;
 501         case QAM_64:
 502                 state->tx_tuna[8] = 0x40;
 503                 break;
 504         case QAM_128:
 505                 state->tx_tuna[8] = 0x80;
 506                 break;
 507         case QAM_256:
 508                 state->tx_tuna[8] = 0x00;
 509                 break;
 510         case QPSK:
 511         case QAM_AUTO:
 512         case VSB_8:
 513         case VSB_16:
 514         default:
 515                 return -EINVAL;
 516
 517         }
 518
 519         return 0;
 520 }
 521
 522 static fe_modulation_t dst_get_modulation(struct dst_state *state)
 523 {
 524         return state->modulation;
 525 }
 526
 527
 528 u8 dst_check_sum(u8 *buf, u32 len)
 529 {
 530         u32 i;
 531         u8 val = 0;
 532         if (!len)
 533                 return 0;
 534         for (i = 0; i < len; i++) {
 535                 val += buf[i];
 536         }
 537         return ((~val) + 1);
 538 }
 539 EXPORT_SYMBOL(dst_check_sum);
 540
 541 static void dst_type_flags_print(u32 type_flags)
 542 {
 543         dprintk(verbose, DST_ERROR, 0, "DST type flags :");
 544         if (type_flags & DST_TYPE_HAS_NEWTUNE)
 545                 dprintk(verbose, DST_ERROR, 0, " 0x%x newtuner", DST_TYPE_HAS_NEWTUNE);
 546         if (type_flags & DST_TYPE_HAS_TS204)
 547                 dprintk(verbose, DST_ERROR, 0, " 0x%x ts204", DST_TYPE_HAS_TS204);
 548         if (type_flags & DST_TYPE_HAS_SYMDIV)
 549                 dprintk(verbose, DST_ERROR, 0, " 0x%x symdiv", DST_TYPE_HAS_SYMDIV);
 550         if (type_flags & DST_TYPE_HAS_FW_1)
 551                 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 1", DST_TYPE_HAS_FW_1);
 552         if (type_flags & DST_TYPE_HAS_FW_2)
 553                 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 2", DST_TYPE_HAS_FW_2);
 554         if (type_flags & DST_TYPE_HAS_FW_3)
 555                 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 3", DST_TYPE_HAS_FW_3);
 556         dprintk(verbose, DST_ERROR, 0, "\n");
 557 }
 558
 559
 560 static int dst_type_print(u8 type)
 561 {
 562         char *otype;
 563         switch (type) {
 564         case DST_TYPE_IS_SAT:
 565                 otype = "satellite";
 566                 break;
 567
 568         case DST_TYPE_IS_TERR:
 569                 otype = "terrestrial";
 570                 break;
 571
 572         case DST_TYPE_IS_CABLE:
 573                 otype = "cable";
 574                 break;
 575
 576         case DST_TYPE_IS_ATSC:
 577                 otype = "atsc";
 578                 break;
 579
 580         default:
 581                 dprintk(verbose, DST_INFO, 1, "invalid dst type %d", type);
 582                 return -EINVAL;
 583         }
 584         dprintk(verbose, DST_INFO, 1, "DST type: %s", otype);
 585
 586         return 0;
 587 }
 588
 589 /*
 590         Known cards list
 591         Satellite
 592         -------------------
 593                   200103A
 594         VP-1020   DST-MOT       LG(old), TS=188
 595
 596         VP-1020   DST-03T       LG(new), TS=204
 597         VP-1022   DST-03T       LG(new), TS=204
 598         VP-1025   DST-03T       LG(new), TS=204
 599
 600         VP-1030   DSTMCI,       LG(new), TS=188
 601         VP-1032   DSTMCI,       LG(new), TS=188
 602
 603         Cable
 604         -------------------
 605         VP-2030   DCT-CI,       Samsung, TS=204
 606         VP-2021   DCT-CI,       Unknown, TS=204
 607         VP-2031   DCT-CI,       Philips, TS=188
 608         VP-2040   DCT-CI,       Philips, TS=188, with CA daughter board
 609         VP-2040   DCT-CI,       Philips, TS=204, without CA daughter board
 610
 611         Terrestrial
 612         -------------------
 613         VP-3050  DTTNXT                  TS=188
 614         VP-3040  DTT-CI,        Philips, TS=188
 615         VP-3040  DTT-CI,        Philips, TS=204
 616
 617         ATSC
 618         -------------------
 619         VP-3220  ATSCDI,                 TS=188
 620         VP-3250  ATSCAD,                 TS=188
 621
 622 */
 623
 624 static struct dst_types dst_tlist[] = {
 625         {
 626                 .device_id = "200103A",
 627                 .offset = 0,
 628                 .dst_type =  DST_TYPE_IS_SAT,
 629                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_OBS_REGS,
 630                 .dst_feature = 0
 631         },      /*      obsolete        */
 632
 633         {
 634                 .device_id = "DST-020",
 635                 .offset = 0,
 636                 .dst_type =  DST_TYPE_IS_SAT,
 637                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
 638                 .dst_feature = 0
 639         },      /*      obsolete        */
 640
 641         {
 642                 .device_id = "DST-030",
 643                 .offset =  0,
 644                 .dst_type = DST_TYPE_IS_SAT,
 645                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
 646                 .dst_feature = 0
 647         },      /*      obsolete        */
 648
 649         {
 650                 .device_id = "DST-03T",
 651                 .offset = 0,
 652                 .dst_type = DST_TYPE_IS_SAT,
 653                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
 654                 .dst_feature = DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4 | DST_TYPE_HAS_DISEQC5
 655                                                          | DST_TYPE_HAS_MAC | DST_TYPE_HAS_MOTO
 656          },
 657
 658         {
 659                 .device_id = "DST-MOT",
 660                 .offset =  0,
 661                 .dst_type = DST_TYPE_IS_SAT,
 662                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
 663                 .dst_feature = 0
 664         },      /*      obsolete        */
 665
 666         {
 667                 .device_id = "DST-CI",
 668                 .offset = 1,
 669                 .dst_type = DST_TYPE_IS_SAT,
 670                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_1,
 671                 .dst_feature = DST_TYPE_HAS_CA
 672         },      /*      An OEM board    */
 673
 674         {
 675                 .device_id = "DSTMCI",
 676                 .offset = 1,
 677                 .dst_type = DST_TYPE_IS_SAT,
 678                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_INC_COUNT,
 679                 .dst_feature = DST_TYPE_HAS_CA | DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4
 680                                                         | DST_TYPE_HAS_MOTO | DST_TYPE_HAS_MAC
 681         },
 682
 683         {
 684                 .device_id = "DSTFCI",
 685                 .offset = 1,
 686                 .dst_type = DST_TYPE_IS_SAT,
 687                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
 688                 .dst_feature = 0
 689         },      /* unknown to vendor    */
 690
 691         {
 692                 .device_id = "DCT-CI",
 693                 .offset = 1,
 694                 .dst_type = DST_TYPE_IS_CABLE,
 695                 .type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_FW_2,
 696                 .dst_feature = DST_TYPE_HAS_CA
 697         },
 698
 699         {
 700                 .device_id = "DCTNEW",
 701                 .offset = 1,
 702                 .dst_type = DST_TYPE_IS_CABLE,
 703                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_3 | DST_TYPE_HAS_FW_BUILD,
 704                 .dst_feature = 0
 705         },
 706
 707         {
 708                 .device_id = "DTT-CI",
 709                 .offset = 1,
 710                 .dst_type = DST_TYPE_IS_TERR,
 711                 .type_flags = DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_MULTI_FE,
 712                 .dst_feature = DST_TYPE_HAS_CA
 713         },
 714
 715         {
 716                 .device_id = "DTTDIG",
 717                 .offset = 1,
 718                 .dst_type = DST_TYPE_IS_TERR,
 719                 .type_flags = DST_TYPE_HAS_FW_2,
 720                 .dst_feature = 0
 721         },
 722
 723         {
 724                 .device_id = "DTTNXT",
 725                 .offset = 1,
 726                 .dst_type = DST_TYPE_IS_TERR,
 727                 .type_flags = DST_TYPE_HAS_FW_2,
 728                 .dst_feature = DST_TYPE_HAS_ANALOG
 729         },
 730
 731         {
 732                 .device_id = "ATSCDI",
 733                 .offset = 1,
 734                 .dst_type = DST_TYPE_IS_ATSC,
 735                 .type_flags = DST_TYPE_HAS_FW_2,
 736                 .dst_feature = 0
 737         },
 738
 739         {
 740                 .device_id = "ATSCAD",
 741                 .offset = 1,
 742                 .dst_type = DST_TYPE_IS_ATSC,
 743                 .type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
 744                 .dst_feature = DST_TYPE_HAS_MAC | DST_TYPE_HAS_ANALOG
 745         },
 746
 747         { }
 748
 749 };
 750
 751 static int dst_get_mac(struct dst_state *state)
 752 {
 753         u8 get_mac[] = { 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 754         get_mac[7] = dst_check_sum(get_mac, 7);
 755         if (dst_command(state, get_mac, 8) < 0) {
 756                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
 757                 return -1;
 758         }
 759         memset(&state->mac_address, '\0', 8);
 760         memcpy(&state->mac_address, &state->rxbuffer, 6);
 761         dprintk(verbose, DST_ERROR, 1, "MAC Address=[%02x:%02x:%02x:%02x:%02x:%02x]",
 762                 state->mac_address[0], state->mac_address[1], state->mac_address[2],
 763                 state->mac_address[4], state->mac_address[5], state->mac_address[6]);
 764
 765         return 0;
 766 }
 767
 768 static int dst_fw_ver(struct dst_state *state)
 769 {
 770         u8 get_ver[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 771         get_ver[7] = dst_check_sum(get_ver, 7);
 772         if (dst_command(state, get_ver, 8) < 0) {
 773                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
 774                 return -1;
 775         }
 776         memset(&state->fw_version, '\0', 8);
 777         memcpy(&state->fw_version, &state->rxbuffer, 8);
 778         dprintk(verbose, DST_ERROR, 1, "Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x",
 779                 state->fw_version[0] >> 4, state->fw_version[0] & 0x0f,
 780                 state->fw_version[1],
 781                 state->fw_version[5], state->fw_version[6],
 782                 state->fw_version[4], state->fw_version[3], state->fw_version[2]);
 783
 784         return 0;
 785 }
 786
 787 static int dst_card_type(struct dst_state *state)
 788 {
 789         u8 get_type[] = { 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 790         get_type[7] = dst_check_sum(get_type, 7);
 791         if (dst_command(state, get_type, 8) < 0) {
 792                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
 793                 return -1;
 794         }
 795         memset(&state->card_info, '\0', 8);
 796         memcpy(&state->card_info, &state->rxbuffer, 8);
 797         dprintk(verbose, DST_ERROR, 1, "Device Model=[%s]", &state->card_info[0]);
 798
 799         return 0;
 800 }
 801
 802 static int dst_get_vendor(struct dst_state *state)
 803 {
 804         u8 get_vendor[] = { 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 805         get_vendor[7] = dst_check_sum(get_vendor, 7);
 806         if (dst_command(state, get_vendor, 8) < 0) {
 807                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
 808                 return -1;
 809         }
 810         memset(&state->vendor, '\0', 8);
 811         memcpy(&state->vendor, &state->rxbuffer, 8);
 812         dprintk(verbose, DST_ERROR, 1, "Vendor=[%s]", &state->vendor[0]);
 813
 814         return 0;
 815 }
 816
 817 static int dst_get_tuner_info(struct dst_state *state)
 818 {
 819         u8 get_tuner_1[] = { 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 820         u8 get_tuner_2[] = { 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 821
 822         get_tuner_1[7] = dst_check_sum(get_tuner_1, 7);
 823         get_tuner_2[7] = dst_check_sum(get_tuner_2, 7);
 824         dprintk(verbose, DST_ERROR, 1, "DST TYpe = MULTI FE");
 825         if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
 826 //              if (dst_command(state, get_tuner_2, 8) < 0) {
 827                 if (dst_command(state, get_tuner_1, 8) < 0) {
 828                         dprintk(verbose, DST_INFO, 1, "Cmd=[0x13], Unsupported");
 829                         return -1;
 830                 }
 831         } else {
 832 //              if (dst_command(state, get_tuner_1, 8) < 0) {
 833                 if (dst_command(state, get_tuner_2, 8) < 0) {
 834                         dprintk(verbose, DST_INFO, 1, "Cmd=[0xb], Unsupported");
 835                         return -1;
 836                 }
 837         }
 838         memset(&state->board_info, '\0', 8);
 839         memcpy(&state->board_info, &state->rxbuffer, 8);
 840         if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
 841                 dprintk(verbose, DST_ERROR, 1, "DST type has TS=188");
 842 /*
 843                 if (state->board_info[1] == 0x0b) {
 844                         if (state->type_flags & DST_TYPE_HAS_TS204)
 845                                 state->type_flags &= ~DST_TYPE_HAS_TS204;
 846                         state->type_flags |= DST_TYPE_HAS_NEWTUNE;
 847                         dprintk(verbose, DST_INFO, 1, "DST type has TS=188");
 848                 } else {
 849                         if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
 850                                 state->type_flags &= ~DST_TYPE_HAS_NEWTUNE;
 851                         state->type_flags |= DST_TYPE_HAS_TS204;
 852                         dprintk(verbose, DST_INFO, 1, "DST type has TS=204");
 853                 }
 854         } else {
 855 */
 856         }
 857         if (state->board_info[0] == 0xbc) {
 858 //              if (state->type_flags & DST_TYPE_HAS_TS204)
 859 //                      state->type_flags &= ~DST_TYPE_HAS_TS204;
 860                 state->type_flags |= DST_TYPE_HAS_NEWTUNE;
 861                 dprintk(verbose, DST_INFO, 1, "DST type has TS=188, Daughterboard=[%d]", state->board_info[1]);
 862
 863         } else if (state->board_info[0] == 0xcc) {
 864 //              if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
 865 //                      state->type_flags &= ~DST_TYPE_HAS_NEWTUNE;
 866                 state->type_flags |= DST_TYPE_HAS_TS204;
 867                 dprintk(verbose, DST_INFO, 1, "DST type has TS=204 Daughterboard=[%d]", state->board_info[1]);
 868         }
 869 //      }
 870
 871         return 0;
 872 }
 873
 874 static int dst_get_device_id(struct dst_state *state)
 875 {
 876         u8 reply;
 877
 878         int i;
 879         struct dst_types *p_dst_type;
 880         u8 use_dst_type = 0;
 881         u32 use_type_flags = 0;
 882
 883         static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
 884
 885         device_type[7] = dst_check_sum(device_type, 7);
 886
 887         if (write_dst(state, device_type, FIXED_COMM))
 888                 return -1;              /*      Write failed            */
 889         if ((dst_pio_disable(state)) < 0)
 890                 return -1;
 891         if (read_dst(state, &reply, GET_ACK))
 892                 return -1;              /*      Read failure            */
 893         if (reply != ACK) {
 894                 dprintk(verbose, DST_INFO, 1, "Write not Acknowledged! [Reply=0x%02x]", reply);
 895                 return -1;              /*      Unack'd write           */
 896         }
 897         if (!dst_wait_dst_ready(state, DEVICE_INIT))
 898                 return -1;              /*      DST not ready yet       */
 899         if (read_dst(state, state->rxbuffer, FIXED_COMM))
 900                 return -1;
 901
 902         dst_pio_disable(state);
 903         if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
 904                 dprintk(verbose, DST_INFO, 1, "Checksum failure!");
 905                 return -1;              /*      Checksum failure        */
 906         }
 907         state->rxbuffer[7] = '\0';
 908
 909         for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE(dst_tlist); i++, p_dst_type++) {
 910                 if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
 911                         use_type_flags = p_dst_type->type_flags;
 912                         use_dst_type = p_dst_type->dst_type;
 913
 914                         /*      Card capabilities       */
 915                         state->dst_hw_cap = p_dst_type->dst_feature;
 916                         dprintk(verbose, DST_ERROR, 1, "Recognise [%s]\n", p_dst_type->device_id);
 917
 918                         break;
 919                 }
 920         }
 921
 922         if (i >= sizeof (dst_tlist) / sizeof (dst_tlist [0])) {
 923                 dprintk(verbose, DST_ERROR, 1, "Unable to recognize %s or %s", &state->rxbuffer[0], &state->rxbuffer[1]);
 924                 dprintk(verbose, DST_ERROR, 1, "please email linux-dvb@linuxtv.org with this type in");
 925                 use_dst_type = DST_TYPE_IS_SAT;
 926                 use_type_flags = DST_TYPE_HAS_SYMDIV;
 927         }
 928         dst_type_print(use_dst_type);
 929         state->type_flags = use_type_flags;
 930         state->dst_type = use_dst_type;
 931         dst_type_flags_print(state->type_flags);
 932
 933         return 0;
 934 }
 935
 936 static int dst_probe(struct dst_state *state)
 937 {
 938         mutex_init(&state->dst_mutex);
 939         if (dst_addons & DST_TYPE_HAS_CA) {
 940                 if ((rdc_8820_reset(state)) < 0) {
 941                         dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
 942                         return -1;
 943                 }
 944                 msleep(4000);
 945         } else {
 946                 msleep(100);
 947         }
 948         if ((dst_comm_init(state)) < 0) {
 949                 dprintk(verbose, DST_ERROR, 1, "DST Initialization Failed.");
 950                 return -1;
 951         }
 952         msleep(100);
 953         if (dst_get_device_id(state) < 0) {
 954                 dprintk(verbose, DST_ERROR, 1, "unknown device.");
 955                 return -1;
 956         }
 957         if (dst_get_mac(state) < 0) {
 958                 dprintk(verbose, DST_INFO, 1, "MAC: Unsupported command");
 959                 return 0;
 960         }
 961         if ((state->type_flags & DST_TYPE_HAS_MULTI_FE) || (state->type_flags & DST_TYPE_HAS_FW_BUILD)) {
 962                 if (dst_get_tuner_info(state) < 0)
 963                         dprintk(verbose, DST_INFO, 1, "Tuner: Unsupported command");
 964         }
 965         if (state->type_flags & DST_TYPE_HAS_TS204) {
 966                 dst_packsize(state, 204);
 967         }
 968         if (state->type_flags & DST_TYPE_HAS_FW_BUILD) {
 969                 if (dst_fw_ver(state) < 0) {
 970                         dprintk(verbose, DST_INFO, 1, "FW: Unsupported command");
 971                         return 0;
 972                 }
 973                 if (dst_card_type(state) < 0) {
 974                         dprintk(verbose, DST_INFO, 1, "Card: Unsupported command");
 975                         return 0;
 976                 }
 977                 if (dst_get_vendor(state) < 0) {
 978                         dprintk(verbose, DST_INFO, 1, "Vendor: Unsupported command");
 979                         return 0;
 980                 }
 981         }
 982
 983         return 0;
 984 }
 985
 986 int dst_command(struct dst_state *state, u8 *data, u8 len)
 987 {
 988         u8 reply;
 989
 990         mutex_lock(&state->dst_mutex);
 991         if ((dst_comm_init(state)) < 0) {
 992                 dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
 993                 goto error;
 994         }
 995         if (write_dst(state, data, len)) {
 996                 dprintk(verbose, DST_INFO, 1, "Tring to recover.. ");
 997                 if ((dst_error_recovery(state)) < 0) {
 998                         dprintk(verbose, DST_ERROR, 1, "Recovery Failed.");
 999                         goto error;
1000                 }
1001                 goto error;
1002         }
1003         if ((dst_pio_disable(state)) < 0) {
1004                 dprintk(verbose, DST_ERROR, 1, "PIO Disable Failed.");
1005                 goto error;
1006         }
1007         if (state->type_flags & DST_TYPE_HAS_FW_1)
1008                 udelay(3000);
1009         if (read_dst(state, &reply, GET_ACK)) {
1010                 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1011                 if ((dst_error_recovery(state)) < 0) {
1012                         dprintk(verbose, DST_INFO, 1, "Recovery Failed.");
1013                         goto error;
1014                 }
1015                 goto error;
1016         }
1017         if (reply != ACK) {
1018                 dprintk(verbose, DST_INFO, 1, "write not acknowledged 0x%02x ", reply);
1019                 goto error;
1020         }
1021         if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
1022                 goto error;
1023         if (state->type_flags & DST_TYPE_HAS_FW_1)
1024                 udelay(3000);
1025         else
1026                 udelay(2000);
1027         if (!dst_wait_dst_ready(state, NO_DELAY))
1028                 goto error;
1029         if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
1030                 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1031                 if ((dst_error_recovery(state)) < 0) {
1032                         dprintk(verbose, DST_INFO, 1, "Recovery failed.");
1033                         goto error;
1034                 }
1035                 goto error;
1036         }
1037         if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
1038                 dprintk(verbose, DST_INFO, 1, "checksum failure");
1039                 goto error;
1040         }
1041         mutex_unlock(&state->dst_mutex);
1042         return 0;
1043
1044 error:
1045         mutex_unlock(&state->dst_mutex);
1046         return -EIO;
1047
1048 }
1049 EXPORT_SYMBOL(dst_command);
1050
1051 static int dst_get_signal(struct dst_state *state)
1052 {
1053         int retval;
1054         u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
1055         //dprintk("%s: Getting Signal strength and other parameters\n", __FUNCTION__);
1056         if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
1057                 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1058                 return 0;
1059         }
1060         if (0 == (state->diseq_flags & HAS_LOCK)) {
1061                 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1062                 return 0;
1063         }
1064         if (time_after_eq(jiffies, state->cur_jiff + (HZ / 5))) {
1065                 retval = dst_command(state, get_signal, 8);
1066                 if (retval < 0)
1067                         return retval;
1068                 if (state->dst_type == DST_TYPE_IS_SAT) {
1069                         state->decode_lock = ((state->rxbuffer[6] & 0x10) == 0) ? 1 : 0;
1070                         state->decode_strength = state->rxbuffer[5] << 8;
1071                         state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1072                 } else if ((state->dst_type == DST_TYPE_IS_TERR) || (state->dst_type == DST_TYPE_IS_CABLE)) {
1073                         state->decode_lock = (state->rxbuffer[1]) ? 1 : 0;
1074                         state->decode_strength = state->rxbuffer[4] << 8;
1075                         state->decode_snr = state->rxbuffer[3] << 8;
1076                 } else if (state->dst_type == DST_TYPE_IS_ATSC) {
1077                         state->decode_lock = (state->rxbuffer[6] == 0x00) ? 1 : 0;
1078                         state->decode_strength = state->rxbuffer[4] << 8;
1079                         state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1080                 }
1081                 state->cur_jiff = jiffies;
1082         }
1083         return 0;
1084 }
1085
1086 static int dst_tone_power_cmd(struct dst_state *state)
1087 {
1088         u8 paket[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
1089
1090         if (state->dst_type == DST_TYPE_IS_TERR)
1091                 return 0;
1092         paket[4] = state->tx_tuna[4];
1093         paket[2] = state->tx_tuna[2];
1094         paket[3] = state->tx_tuna[3];
1095         paket[7] = dst_check_sum (paket, 7);
1096         dst_command(state, paket, 8);
1097
1098         return 0;
1099 }
1100
1101 static int dst_get_tuna(struct dst_state *state)
1102 {
1103         int retval;
1104
1105         if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
1106                 return 0;
1107         state->diseq_flags &= ~(HAS_LOCK);
1108         if (!dst_wait_dst_ready(state, NO_DELAY))
1109                 return -EIO;
1110         if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
1111                 /* how to get variable length reply ???? */
1112                 retval = read_dst(state, state->rx_tuna, 10);
1113         else
1114                 retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
1115         if (retval < 0) {
1116                 dprintk(verbose, DST_DEBUG, 1, "read not successful");
1117                 return retval;
1118         }
1119         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1120                 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
1121                         dprintk(verbose, DST_INFO, 1, "checksum failure ? ");
1122                         return -EIO;
1123                 }
1124         } else {
1125                 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
1126                         dprintk(verbose, DST_INFO, 1, "checksum failure? ");
1127                         return -EIO;
1128                 }
1129         }
1130         if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
1131                 return 0;
1132         if (state->dst_type == DST_TYPE_IS_SAT) {
1133                 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 8) + state->rx_tuna[3];
1134         } else {
1135                 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 16) + (state->rx_tuna[3] << 8) + state->rx_tuna[4];
1136         }
1137         state->decode_freq = state->decode_freq * 1000;
1138         state->decode_lock = 1;
1139         state->diseq_flags |= HAS_LOCK;
1140
1141         return 1;
1142 }
1143
1144 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
1145
1146 static int dst_write_tuna(struct dvb_frontend *fe)
1147 {
1148         struct dst_state *state = fe->demodulator_priv;
1149         int retval;
1150         u8 reply;
1151
1152         dprintk(verbose, DST_INFO, 1, "type_flags 0x%x ", state->type_flags);
1153         state->decode_freq = 0;
1154         state->decode_lock = state->decode_strength = state->decode_snr = 0;
1155         if (state->dst_type == DST_TYPE_IS_SAT) {
1156                 if (!(state->diseq_flags & HAS_POWER))
1157                         dst_set_voltage(fe, SEC_VOLTAGE_13);
1158         }
1159         state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
1160         mutex_lock(&state->dst_mutex);
1161         if ((dst_comm_init(state)) < 0) {
1162                 dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
1163                 goto error;
1164         }
1165         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1166                 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
1167                 retval = write_dst(state, &state->tx_tuna[0], 10);
1168         } else {
1169                 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
1170                 retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
1171         }
1172         if (retval < 0) {
1173                 dst_pio_disable(state);
1174                 dprintk(verbose, DST_DEBUG, 1, "write not successful");
1175                 goto werr;
1176         }
1177         if ((dst_pio_disable(state)) < 0) {
1178                 dprintk(verbose, DST_DEBUG, 1, "DST PIO disable failed !");
1179                 goto error;
1180         }
1181         if ((read_dst(state, &reply, GET_ACK) < 0)) {
1182                 dprintk(verbose, DST_DEBUG, 1, "read verify not successful.");
1183                 goto error;
1184         }
1185         if (reply != ACK) {
1186                 dprintk(verbose, DST_DEBUG, 1, "write not acknowledged 0x%02x ", reply);
1187                 goto error;
1188         }
1189         state->diseq_flags |= ATTEMPT_TUNE;
1190         retval = dst_get_tuna(state);
1191 werr:
1192         mutex_unlock(&state->dst_mutex);
1193         return retval;
1194
1195 error:
1196         mutex_unlock(&state->dst_mutex);
1197         return -EIO;
1198 }
1199
1200 /*
1201  * line22k0    0x00, 0x09, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00
1202  * line22k1    0x00, 0x09, 0x01, 0xff, 0x01, 0x00, 0x00, 0x00
1203  * line22k2    0x00, 0x09, 0x02, 0xff, 0x01, 0x00, 0x00, 0x00
1204  * tone        0x00, 0x09, 0xff, 0x00, 0x01, 0x00, 0x00, 0x00
1205  * data        0x00, 0x09, 0xff, 0x01, 0x01, 0x00, 0x00, 0x00
1206  * power_off   0x00, 0x09, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
1207  * power_on    0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
1208  * Diseqc 1    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec
1209  * Diseqc 2    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf4, 0xe8
1210  * Diseqc 3    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf8, 0xe4
1211  * Diseqc 4    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xfc, 0xe0
1212  */
1213
1214 static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
1215 {
1216         struct dst_state *state = fe->demodulator_priv;
1217         u8 paket[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1218
1219         if (state->dst_type != DST_TYPE_IS_SAT)
1220                 return 0;
1221         if (cmd->msg_len == 0 || cmd->msg_len > 4)
1222                 return -EINVAL;
1223         memcpy(&paket[3], cmd->msg, cmd->msg_len);
1224         paket[7] = dst_check_sum(&paket[0], 7);
1225         dst_command(state, paket, 8);
1226         return 0;
1227 }
1228
1229 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
1230 {
1231         int need_cmd;
1232         struct dst_state *state = fe->demodulator_priv;
1233
1234         state->voltage = voltage;
1235         if (state->dst_type != DST_TYPE_IS_SAT)
1236                 return 0;
1237
1238         need_cmd = 0;
1239
1240         switch (voltage) {
1241         case SEC_VOLTAGE_13:
1242         case SEC_VOLTAGE_18:
1243                 if ((state->diseq_flags & HAS_POWER) == 0)
1244                         need_cmd = 1;
1245                 state->diseq_flags |= HAS_POWER;
1246                 state->tx_tuna[4] = 0x01;
1247                 break;
1248         case SEC_VOLTAGE_OFF:
1249                 need_cmd = 1;
1250                 state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
1251                 state->tx_tuna[4] = 0x00;
1252                 break;
1253         default:
1254                 return -EINVAL;
1255         }
1256
1257         if (need_cmd)
1258                 dst_tone_power_cmd(state);
1259
1260         return 0;
1261 }
1262
1263 static int dst_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
1264 {
1265         struct dst_state *state = fe->demodulator_priv;
1266
1267         state->tone = tone;
1268         if (state->dst_type != DST_TYPE_IS_SAT)
1269                 return 0;
1270
1271         switch (tone) {
1272         case SEC_TONE_OFF:
1273                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1274                     state->tx_tuna[2] = 0x00;
1275                 else
1276                     state->tx_tuna[2] = 0xff;
1277                 break;
1278
1279         case SEC_TONE_ON:
1280                 state->tx_tuna[2] = 0x02;
1281                 break;
1282         default:
1283                 return -EINVAL;
1284         }
1285         dst_tone_power_cmd(state);
1286
1287         return 0;
1288 }
1289
1290 static int dst_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t minicmd)
1291 {
1292         struct dst_state *state = fe->demodulator_priv;
1293
1294         if (state->dst_type != DST_TYPE_IS_SAT)
1295                 return 0;
1296         state->minicmd = minicmd;
1297         switch (minicmd) {
1298         case SEC_MINI_A:
1299                 state->tx_tuna[3] = 0x02;
1300                 break;
1301         case SEC_MINI_B:
1302                 state->tx_tuna[3] = 0xff;
1303                 break;
1304         }
1305         dst_tone_power_cmd(state);
1306
1307         return 0;
1308 }
1309
1310
1311 static int dst_init(struct dvb_frontend *fe)
1312 {
1313         struct dst_state *state = fe->demodulator_priv;
1314
1315         static u8 sat_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x00, 0x73, 0x21, 0x00, 0x00 };
1316         static u8 sat_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x55, 0xbd, 0x50, 0x00, 0x00 };
1317         static u8 ter_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1318         static u8 ter_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1319         static u8 cab_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1320         static u8 cab_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1321         static u8 atsc_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1322         static u8 atsc_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1323
1324         state->inversion = INVERSION_OFF;
1325         state->voltage = SEC_VOLTAGE_13;
1326         state->tone = SEC_TONE_OFF;
1327         state->diseq_flags = 0;
1328         state->k22 = 0x02;
1329         state->bandwidth = BANDWIDTH_7_MHZ;
1330         state->cur_jiff = jiffies;
1331         if (state->dst_type == DST_TYPE_IS_SAT)
1332                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? sat_tuna_188 : sat_tuna_204), sizeof (sat_tuna_204));
1333         else if (state->dst_type == DST_TYPE_IS_TERR)
1334                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? ter_tuna_188 : ter_tuna_204), sizeof (ter_tuna_204));
1335         else if (state->dst_type == DST_TYPE_IS_CABLE)
1336                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? cab_tuna_188 : cab_tuna_204), sizeof (cab_tuna_204));
1337         else if (state->dst_type == DST_TYPE_IS_ATSC)
1338                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? atsc_tuna_188 : atsc_tuna_204), sizeof (atsc_tuna_204));
1339
1340         return 0;
1341 }
1342
1343 static int dst_read_status(struct dvb_frontend *fe, fe_status_t *status)
1344 {
1345         struct dst_state *state = fe->demodulator_priv;
1346
1347         *status = 0;
1348         if (state->diseq_flags & HAS_LOCK) {
1349 //              dst_get_signal(state);  // don't require(?) to ask MCU
1350                 if (state->decode_lock)
1351                         *status |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_SYNC | FE_HAS_VITERBI;
1352         }
1353
1354         return 0;
1355 }
1356
1357 static int dst_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
1358 {
1359         struct dst_state *state = fe->demodulator_priv;
1360
1361         dst_get_signal(state);
1362         *strength = state->decode_strength;
1363
1364         return 0;
1365 }
1366
1367 static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
1368 {
1369         struct dst_state *state = fe->demodulator_priv;
1370
1371         dst_get_signal(state);
1372         *snr = state->decode_snr;
1373
1374         return 0;
1375 }
1376
1377 static int dst_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1378 {
1379         struct dst_state *state = fe->demodulator_priv;
1380
1381         if (p != NULL) {
1382                 dst_set_freq(state, p->frequency);
1383                 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1384
1385                 if (state->dst_type == DST_TYPE_IS_SAT) {
1386                         if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1387                                 dst_set_inversion(state, p->inversion);
1388                         dst_set_fec(state, p->u.qpsk.fec_inner);
1389                         dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1390                         dst_set_polarization(state);
1391                         dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
1392
1393                 } else if (state->dst_type == DST_TYPE_IS_TERR)
1394                         dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1395                 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1396                         dst_set_fec(state, p->u.qam.fec_inner);
1397                         dst_set_symbolrate(state, p->u.qam.symbol_rate);
1398                         dst_set_modulation(state, p->u.qam.modulation);
1399                 }
1400                 dst_write_tuna(fe);
1401         }
1402
1403         return 0;
1404 }
1405
1406 static int dst_tune_frontend(struct dvb_frontend* fe,
1407                             struct dvb_frontend_parameters* p,
1408                             unsigned int mode_flags,
1409                             int *delay,
1410                             fe_status_t *status)
1411 {
1412         struct dst_state *state = fe->demodulator_priv;
1413
1414         if (p != NULL) {
1415                 dst_set_freq(state, p->frequency);
1416                 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1417
1418                 if (state->dst_type == DST_TYPE_IS_SAT) {
1419                         if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1420                                 dst_set_inversion(state, p->inversion);
1421                         dst_set_fec(state, p->u.qpsk.fec_inner);
1422                         dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1423                         dst_set_polarization(state);
1424                         dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
1425
1426                 } else if (state->dst_type == DST_TYPE_IS_TERR)
1427                         dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1428                 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1429                         dst_set_fec(state, p->u.qam.fec_inner);
1430                         dst_set_symbolrate(state, p->u.qam.symbol_rate);
1431                         dst_set_modulation(state, p->u.qam.modulation);
1432                 }
1433                 dst_write_tuna(fe);
1434         }
1435
1436         if (!(mode_flags & FE_TUNE_MODE_ONESHOT))
1437                 dst_read_status(fe, status);
1438
1439         *delay = HZ/10;
1440         return 0;
1441 }
1442
1443 static int dst_get_tuning_algo(struct dvb_frontend *fe)
1444 {
1445         return dst_algo;
1446 }
1447
1448 static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1449 {
1450         struct dst_state *state = fe->demodulator_priv;
1451
1452         p->frequency = state->decode_freq;
1453         if (state->dst_type == DST_TYPE_IS_SAT) {
1454                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1455                         p->inversion = state->inversion;
1456                 p->u.qpsk.symbol_rate = state->symbol_rate;
1457                 p->u.qpsk.fec_inner = dst_get_fec(state);
1458         } else if (state->dst_type == DST_TYPE_IS_TERR) {
1459                 p->u.ofdm.bandwidth = state->bandwidth;
1460         } else if (state->dst_type == DST_TYPE_IS_CABLE) {
1461                 p->u.qam.symbol_rate = state->symbol_rate;
1462                 p->u.qam.fec_inner = dst_get_fec(state);
1463                 p->u.qam.modulation = dst_get_modulation(state);
1464         }
1465
1466         return 0;
1467 }
1468
1469 static void dst_release(struct dvb_frontend *fe)
1470 {
1471         struct dst_state *state = fe->demodulator_priv;
1472         kfree(state);
1473 }
1474
1475 static struct dvb_frontend_ops dst_dvbt_ops;
1476 static struct dvb_frontend_ops dst_dvbs_ops;
1477 static struct dvb_frontend_ops dst_dvbc_ops;
1478 static struct dvb_frontend_ops dst_atsc_ops;
1479
1480 struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
1481 {
1482         /* check if the ASIC is there */
1483         if (dst_probe(state) < 0) {
1484                 kfree(state);
1485                 return NULL;
1486         }
1487         /* determine settings based on type */
1488         /* create dvb_frontend */
1489         switch (state->dst_type) {
1490         case DST_TYPE_IS_TERR:
1491                 memcpy(&state->frontend.ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
1492                 break;
1493         case DST_TYPE_IS_CABLE:
1494                 memcpy(&state->frontend.ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
1495                 break;
1496         case DST_TYPE_IS_SAT:
1497                 memcpy(&state->frontend.ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
1498                 break;
1499         case DST_TYPE_IS_ATSC:
1500                 memcpy(&state->frontend.ops, &dst_atsc_ops, sizeof(struct dvb_frontend_ops));
1501                 break;
1502         default:
1503                 dprintk(verbose, DST_ERROR, 1, "unknown DST type. please report to the LinuxTV.org DVB mailinglist.");
1504                 kfree(state);
1505                 return NULL;
1506         }
1507         state->frontend.demodulator_priv = state;
1508
1509         return state;                           /*      Manu (DST is a card not a frontend)     */
1510 }
1511
1512 EXPORT_SYMBOL(dst_attach);
1513
1514 static struct dvb_frontend_ops dst_dvbt_ops = {
1515
1516         .info = {
1517                 .name = "DST DVB-T",
1518                 .type = FE_OFDM,
1519                 .frequency_min = 137000000,
1520                 .frequency_max = 858000000,
1521                 .frequency_stepsize = 166667,
1522                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO
1523         },
1524
1525         .release = dst_release,
1526         .init = dst_init,
1527         .tune = dst_tune_frontend,
1528         .set_frontend = dst_set_frontend,
1529         .get_frontend = dst_get_frontend,
1530         .get_frontend_algo = dst_get_tuning_algo,
1531         .read_status = dst_read_status,
1532         .read_signal_strength = dst_read_signal_strength,
1533         .read_snr = dst_read_snr,
1534 };
1535
1536 static struct dvb_frontend_ops dst_dvbs_ops = {
1537
1538         .info = {
1539                 .name = "DST DVB-S",
1540                 .type = FE_QPSK,
1541                 .frequency_min = 950000,
1542                 .frequency_max = 2150000,
1543                 .frequency_stepsize = 1000,     /* kHz for QPSK frontends */
1544                 .frequency_tolerance = 29500,
1545                 .symbol_rate_min = 1000000,
1546                 .symbol_rate_max = 45000000,
1547         /*     . symbol_rate_tolerance  =       ???,*/
1548                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QPSK
1549         },
1550
1551         .release = dst_release,
1552         .init = dst_init,
1553         .tune = dst_tune_frontend,
1554         .set_frontend = dst_set_frontend,
1555         .get_frontend = dst_get_frontend,
1556         .get_frontend_algo = dst_get_tuning_algo,
1557         .read_status = dst_read_status,
1558         .read_signal_strength = dst_read_signal_strength,
1559         .read_snr = dst_read_snr,
1560         .diseqc_send_burst = dst_send_burst,
1561         .diseqc_send_master_cmd = dst_set_diseqc,
1562         .set_voltage = dst_set_voltage,
1563         .set_tone = dst_set_tone,
1564 };
1565
1566 static struct dvb_frontend_ops dst_dvbc_ops = {
1567
1568         .info = {
1569                 .name = "DST DVB-C",
1570                 .type = FE_QAM,
1571                 .frequency_stepsize = 62500,
1572                 .frequency_min = 51000000,
1573                 .frequency_max = 858000000,
1574                 .symbol_rate_min = 1000000,
1575                 .symbol_rate_max = 45000000,
1576         /*     . symbol_rate_tolerance  =       ???,*/
1577                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO
1578         },
1579
1580         .release = dst_release,
1581         .init = dst_init,
1582         .tune = dst_tune_frontend,
1583         .set_frontend = dst_set_frontend,
1584         .get_frontend = dst_get_frontend,
1585         .get_frontend_algo = dst_get_tuning_algo,
1586         .read_status = dst_read_status,
1587         .read_signal_strength = dst_read_signal_strength,
1588         .read_snr = dst_read_snr,
1589 };
1590
1591 static struct dvb_frontend_ops dst_atsc_ops = {
1592         .info = {
1593                 .name = "DST ATSC",
1594                 .type = FE_ATSC,
1595                 .frequency_stepsize = 62500,
1596                 .frequency_min = 510000000,
1597                 .frequency_max = 858000000,
1598                 .symbol_rate_min = 1000000,
1599                 .symbol_rate_max = 45000000,
1600                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
1601         },
1602
1603         .release = dst_release,
1604         .init = dst_init,
1605         .tune = dst_tune_frontend,
1606         .set_frontend = dst_set_frontend,
1607         .get_frontend = dst_get_frontend,
1608         .get_frontend_algo = dst_get_tuning_algo,
1609         .read_status = dst_read_status,
1610         .read_signal_strength = dst_read_signal_strength,
1611         .read_snr = dst_read_snr,
1612 };
1613
1614 MODULE_DESCRIPTION("DST DVB-S/T/C/ATSC Combo Frontend driver");
1615 MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1616 MODULE_LICENSE("GPL");