SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/media/dvb/bt8xx/dst.c

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