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 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_NEWTUNE | 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_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1
 696                                                         | DST_TYPE_HAS_FW_2,
 697                 .dst_feature = DST_TYPE_HAS_CA
 698         },
 699
 700         {
 701                 .device_id = "DCTNEW",
 702                 .offset = 1,
 703                 .dst_type = DST_TYPE_IS_CABLE,
 704                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_3 | DST_TYPE_HAS_FW_BUILD,
 705                 .dst_feature = 0
 706         },
 707
 708         {
 709                 .device_id = "DTT-CI",
 710                 .offset = 1,
 711                 .dst_type = DST_TYPE_IS_TERR,
 712                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_MULTI_FE,
 713                 .dst_feature = DST_TYPE_HAS_CA
 714         },
 715
 716         {
 717                 .device_id = "DTTDIG",
 718                 .offset = 1,
 719                 .dst_type = DST_TYPE_IS_TERR,
 720                 .type_flags = DST_TYPE_HAS_FW_2,
 721                 .dst_feature = 0
 722         },
 723
 724         {
 725                 .device_id = "DTTNXT",
 726                 .offset = 1,
 727                 .dst_type = DST_TYPE_IS_TERR,
 728                 .type_flags = DST_TYPE_HAS_FW_2,
 729                 .dst_feature = DST_TYPE_HAS_ANALOG
 730         },
 731
 732         {
 733                 .device_id = "ATSCDI",
 734                 .offset = 1,
 735                 .dst_type = DST_TYPE_IS_ATSC,
 736                 .type_flags = DST_TYPE_HAS_FW_2,
 737                 .dst_feature = 0
 738         },
 739
 740         {
 741                 .device_id = "ATSCAD",
 742                 .offset = 1,
 743                 .dst_type = DST_TYPE_IS_ATSC,
 744                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
 745                 .dst_feature = DST_TYPE_HAS_MAC | DST_TYPE_HAS_ANALOG
 746         },
 747
 748         { }
 749
 750 };
 751
 752 static int dst_get_mac(struct dst_state *state)
 753 {
 754         u8 get_mac[] = { 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 755         get_mac[7] = dst_check_sum(get_mac, 7);
 756         if (dst_command(state, get_mac, 8) < 0) {
 757                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
 758                 return -1;
 759         }
 760         memset(&state->mac_address, '\0', 8);
 761         memcpy(&state->mac_address, &state->rxbuffer, 6);
 762         dprintk(verbose, DST_ERROR, 1, "MAC Address=[%02x:%02x:%02x:%02x:%02x:%02x]",
 763                 state->mac_address[0], state->mac_address[1], state->mac_address[2],
 764                 state->mac_address[4], state->mac_address[5], state->mac_address[6]);
 765
 766         return 0;
 767 }
 768
 769 static int dst_fw_ver(struct dst_state *state)
 770 {
 771         u8 get_ver[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 772         get_ver[7] = dst_check_sum(get_ver, 7);
 773         if (dst_command(state, get_ver, 8) < 0) {
 774                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
 775                 return -1;
 776         }
 777         memset(&state->fw_version, '\0', 8);
 778         memcpy(&state->fw_version, &state->rxbuffer, 8);
 779         dprintk(verbose, DST_ERROR, 1, "Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x",
 780                 state->fw_version[0] >> 4, state->fw_version[0] & 0x0f,
 781                 state->fw_version[1],
 782                 state->fw_version[5], state->fw_version[6],
 783                 state->fw_version[4], state->fw_version[3], state->fw_version[2]);
 784
 785         return 0;
 786 }
 787
 788 static int dst_card_type(struct dst_state *state)
 789 {
 790         u8 get_type[] = { 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 791         get_type[7] = dst_check_sum(get_type, 7);
 792         if (dst_command(state, get_type, 8) < 0) {
 793                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
 794                 return -1;
 795         }
 796         memset(&state->card_info, '\0', 8);
 797         memcpy(&state->card_info, &state->rxbuffer, 8);
 798         dprintk(verbose, DST_ERROR, 1, "Device Model=[%s]", &state->card_info[0]);
 799
 800         return 0;
 801 }
 802
 803 static int dst_get_vendor(struct dst_state *state)
 804 {
 805         u8 get_vendor[] = { 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 806         get_vendor[7] = dst_check_sum(get_vendor, 7);
 807         if (dst_command(state, get_vendor, 8) < 0) {
 808                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
 809                 return -1;
 810         }
 811         memset(&state->vendor, '\0', 8);
 812         memcpy(&state->vendor, &state->rxbuffer, 8);
 813         dprintk(verbose, DST_ERROR, 1, "Vendor=[%s]", &state->vendor[0]);
 814
 815         return 0;
 816 }
 817
 818 static int dst_get_tuner_info(struct dst_state *state)
 819 {
 820         u8 get_tuner_1[] = { 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 821         u8 get_tuner_2[] = { 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 822
 823         get_tuner_1[7] = dst_check_sum(get_tuner_1, 7);
 824         get_tuner_2[7] = dst_check_sum(get_tuner_2, 7);
 825         if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
 826                 if (dst_command(state, get_tuner_2, 8) < 0) {
 827                         dprintk(verbose, DST_INFO, 1, "Unsupported Command");
 828                         return -1;
 829                 }
 830         } else {
 831                 if (dst_command(state, get_tuner_1, 8) < 0) {
 832                         dprintk(verbose, DST_INFO, 1, "Unsupported Command");
 833                         return -1;
 834                 }
 835         }
 836         memset(&state->board_info, '\0', 8);
 837         memcpy(&state->board_info, &state->rxbuffer, 8);
 838         if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
 839                 if (state->board_info[1] == 0x0b) {
 840                         if (state->type_flags & DST_TYPE_HAS_TS204)
 841                                 state->type_flags &= ~DST_TYPE_HAS_TS204;
 842                         state->type_flags |= DST_TYPE_HAS_NEWTUNE;
 843                         dprintk(verbose, DST_INFO, 1, "DST type has TS=188");
 844                 } else {
 845                         if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
 846                                 state->type_flags &= ~DST_TYPE_HAS_NEWTUNE;
 847                         state->type_flags |= DST_TYPE_HAS_TS204;
 848                         dprintk(verbose, DST_INFO, 1, "DST type has TS=204");
 849                 }
 850         } else {
 851                 if (state->board_info[0] == 0xbc) {
 852                         if (state->type_flags & DST_TYPE_HAS_TS204)
 853                                 state->type_flags &= ~DST_TYPE_HAS_TS204;
 854                         state->type_flags |= DST_TYPE_HAS_NEWTUNE;
 855                         dprintk(verbose, DST_INFO, 1, "DST type has TS=188, Daughterboard=[%d]", state->board_info[1]);
 856
 857                 } else if (state->board_info[0] == 0xcc) {
 858                         if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
 859                                 state->type_flags &= ~DST_TYPE_HAS_NEWTUNE;
 860                         state->type_flags |= DST_TYPE_HAS_TS204;
 861                         dprintk(verbose, DST_INFO, 1, "DST type has TS=204 Daughterboard=[%d]", state->board_info[1]);
 862                 }
 863         }
 864
 865         return 0;
 866 }
 867
 868 static int dst_get_device_id(struct dst_state *state)
 869 {
 870         u8 reply;
 871
 872         int i;
 873         struct dst_types *p_dst_type;
 874         u8 use_dst_type = 0;
 875         u32 use_type_flags = 0;
 876
 877         static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
 878
 879         device_type[7] = dst_check_sum(device_type, 7);
 880
 881         if (write_dst(state, device_type, FIXED_COMM))
 882                 return -1;              /*      Write failed            */
 883         if ((dst_pio_disable(state)) < 0)
 884                 return -1;
 885         if (read_dst(state, &reply, GET_ACK))
 886                 return -1;              /*      Read failure            */
 887         if (reply != ACK) {
 888                 dprintk(verbose, DST_INFO, 1, "Write not Acknowledged! [Reply=0x%02x]", reply);
 889                 return -1;              /*      Unack'd write           */
 890         }
 891         if (!dst_wait_dst_ready(state, DEVICE_INIT))
 892                 return -1;              /*      DST not ready yet       */
 893         if (read_dst(state, state->rxbuffer, FIXED_COMM))
 894                 return -1;
 895
 896         dst_pio_disable(state);
 897         if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
 898                 dprintk(verbose, DST_INFO, 1, "Checksum failure!");
 899                 return -1;              /*      Checksum failure        */
 900         }
 901         state->rxbuffer[7] = '\0';
 902
 903         for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE(dst_tlist); i++, p_dst_type++) {
 904                 if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
 905                         use_type_flags = p_dst_type->type_flags;
 906                         use_dst_type = p_dst_type->dst_type;
 907
 908                         /*      Card capabilities       */
 909                         state->dst_hw_cap = p_dst_type->dst_feature;
 910                         dprintk(verbose, DST_ERROR, 1, "Recognise [%s]\n", p_dst_type->device_id);
 911
 912                         break;
 913                 }
 914         }
 915
 916         if (i >= sizeof (dst_tlist) / sizeof (dst_tlist [0])) {
 917                 dprintk(verbose, DST_ERROR, 1, "Unable to recognize %s or %s", &state->rxbuffer[0], &state->rxbuffer[1]);
 918                 dprintk(verbose, DST_ERROR, 1, "please email linux-dvb@linuxtv.org with this type in");
 919                 use_dst_type = DST_TYPE_IS_SAT;
 920                 use_type_flags = DST_TYPE_HAS_SYMDIV;
 921         }
 922         dst_type_print(use_dst_type);
 923         state->type_flags = use_type_flags;
 924         state->dst_type = use_dst_type;
 925         dst_type_flags_print(state->type_flags);
 926
 927         return 0;
 928 }
 929
 930 static int dst_probe(struct dst_state *state)
 931 {
 932         mutex_init(&state->dst_mutex);
 933         if (dst_addons & DST_TYPE_HAS_CA) {
 934                 if ((rdc_8820_reset(state)) < 0) {
 935                         dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
 936                         return -1;
 937                 }
 938                 msleep(4000);
 939         } else {
 940                 msleep(100);
 941         }
 942         if ((dst_comm_init(state)) < 0) {
 943                 dprintk(verbose, DST_ERROR, 1, "DST Initialization Failed.");
 944                 return -1;
 945         }
 946         msleep(100);
 947         if (dst_get_device_id(state) < 0) {
 948                 dprintk(verbose, DST_ERROR, 1, "unknown device.");
 949                 return -1;
 950         }
 951         if (dst_get_mac(state) < 0) {
 952                 dprintk(verbose, DST_INFO, 1, "MAC: Unsupported command");
 953                 return 0;
 954         }
 955         if ((state->type_flags & DST_TYPE_HAS_MULTI_FE) || (state->type_flags & DST_TYPE_HAS_FW_BUILD)) {
 956                 if (dst_get_tuner_info(state) < 0)
 957                         dprintk(verbose, DST_INFO, 1, "Tuner: Unsupported command");
 958         }
 959         if (state->type_flags & DST_TYPE_HAS_TS204) {
 960                 dst_packsize(state, 204);
 961         }
 962         if (state->type_flags & DST_TYPE_HAS_FW_BUILD) {
 963                 if (dst_fw_ver(state) < 0) {
 964                         dprintk(verbose, DST_INFO, 1, "FW: Unsupported command");
 965                         return 0;
 966                 }
 967                 if (dst_card_type(state) < 0) {
 968                         dprintk(verbose, DST_INFO, 1, "Card: Unsupported command");
 969                         return 0;
 970                 }
 971                 if (dst_get_vendor(state) < 0) {
 972                         dprintk(verbose, DST_INFO, 1, "Vendor: Unsupported command");
 973                         return 0;
 974                 }
 975         }
 976
 977         return 0;
 978 }
 979
 980 int dst_command(struct dst_state *state, u8 *data, u8 len)
 981 {
 982         u8 reply;
 983
 984         mutex_lock(&state->dst_mutex);
 985         if ((dst_comm_init(state)) < 0) {
 986                 dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
 987                 goto error;
 988         }
 989         if (write_dst(state, data, len)) {
 990                 dprintk(verbose, DST_INFO, 1, "Tring to recover.. ");
 991                 if ((dst_error_recovery(state)) < 0) {
 992                         dprintk(verbose, DST_ERROR, 1, "Recovery Failed.");
 993                         goto error;
 994                 }
 995                 goto error;
 996         }
 997         if ((dst_pio_disable(state)) < 0) {
 998                 dprintk(verbose, DST_ERROR, 1, "PIO Disable Failed.");
 999                 goto error;
1000         }
1001         if (state->type_flags & DST_TYPE_HAS_FW_1)
1002                 udelay(3000);
1003         if (read_dst(state, &reply, GET_ACK)) {
1004                 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1005                 if ((dst_error_recovery(state)) < 0) {
1006                         dprintk(verbose, DST_INFO, 1, "Recovery Failed.");
1007                         goto error;
1008                 }
1009                 goto error;
1010         }
1011         if (reply != ACK) {
1012                 dprintk(verbose, DST_INFO, 1, "write not acknowledged 0x%02x ", reply);
1013                 goto error;
1014         }
1015         if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
1016                 goto error;
1017         if (state->type_flags & DST_TYPE_HAS_FW_1)
1018                 udelay(3000);
1019         else
1020                 udelay(2000);
1021         if (!dst_wait_dst_ready(state, NO_DELAY))
1022                 goto error;
1023         if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
1024                 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1025                 if ((dst_error_recovery(state)) < 0) {
1026                         dprintk(verbose, DST_INFO, 1, "Recovery failed.");
1027                         goto error;
1028                 }
1029                 goto error;
1030         }
1031         if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
1032                 dprintk(verbose, DST_INFO, 1, "checksum failure");
1033                 goto error;
1034         }
1035         mutex_unlock(&state->dst_mutex);
1036         return 0;
1037
1038 error:
1039         mutex_unlock(&state->dst_mutex);
1040         return -EIO;
1041
1042 }
1043 EXPORT_SYMBOL(dst_command);
1044
1045 static int dst_get_signal(struct dst_state *state)
1046 {
1047         int retval;
1048         u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
1049         //dprintk("%s: Getting Signal strength and other parameters\n", __FUNCTION__);
1050         if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
1051                 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1052                 return 0;
1053         }
1054         if (0 == (state->diseq_flags & HAS_LOCK)) {
1055                 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1056                 return 0;
1057         }
1058         if (time_after_eq(jiffies, state->cur_jiff + (HZ / 5))) {
1059                 retval = dst_command(state, get_signal, 8);
1060                 if (retval < 0)
1061                         return retval;
1062                 if (state->dst_type == DST_TYPE_IS_SAT) {
1063                         state->decode_lock = ((state->rxbuffer[6] & 0x10) == 0) ? 1 : 0;
1064                         state->decode_strength = state->rxbuffer[5] << 8;
1065                         state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1066                 } else if ((state->dst_type == DST_TYPE_IS_TERR) || (state->dst_type == DST_TYPE_IS_CABLE)) {
1067                         state->decode_lock = (state->rxbuffer[1]) ? 1 : 0;
1068                         state->decode_strength = state->rxbuffer[4] << 8;
1069                         state->decode_snr = state->rxbuffer[3] << 8;
1070                 } else if (state->dst_type == DST_TYPE_IS_ATSC) {
1071                         state->decode_lock = (state->rxbuffer[6] == 0x00) ? 1 : 0;
1072                         state->decode_strength = state->rxbuffer[4] << 8;
1073                         state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1074                 }
1075                 state->cur_jiff = jiffies;
1076         }
1077         return 0;
1078 }
1079
1080 static int dst_tone_power_cmd(struct dst_state *state)
1081 {
1082         u8 paket[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
1083
1084         if (state->dst_type == DST_TYPE_IS_TERR)
1085                 return 0;
1086         paket[4] = state->tx_tuna[4];
1087         paket[2] = state->tx_tuna[2];
1088         paket[3] = state->tx_tuna[3];
1089         paket[7] = dst_check_sum (paket, 7);
1090         dst_command(state, paket, 8);
1091
1092         return 0;
1093 }
1094
1095 static int dst_get_tuna(struct dst_state *state)
1096 {
1097         int retval;
1098
1099         if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
1100                 return 0;
1101         state->diseq_flags &= ~(HAS_LOCK);
1102         if (!dst_wait_dst_ready(state, NO_DELAY))
1103                 return -EIO;
1104         if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
1105                 /* how to get variable length reply ???? */
1106                 retval = read_dst(state, state->rx_tuna, 10);
1107         else
1108                 retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
1109         if (retval < 0) {
1110                 dprintk(verbose, DST_DEBUG, 1, "read not successful");
1111                 return retval;
1112         }
1113         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1114                 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
1115                         dprintk(verbose, DST_INFO, 1, "checksum failure ? ");
1116                         return -EIO;
1117                 }
1118         } else {
1119                 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
1120                         dprintk(verbose, DST_INFO, 1, "checksum failure? ");
1121                         return -EIO;
1122                 }
1123         }
1124         if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
1125                 return 0;
1126         if (state->dst_type == DST_TYPE_IS_SAT) {
1127                 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 8) + state->rx_tuna[3];
1128         } else {
1129                 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 16) + (state->rx_tuna[3] << 8) + state->rx_tuna[4];
1130         }
1131         state->decode_freq = state->decode_freq * 1000;
1132         state->decode_lock = 1;
1133         state->diseq_flags |= HAS_LOCK;
1134
1135         return 1;
1136 }
1137
1138 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
1139
1140 static int dst_write_tuna(struct dvb_frontend *fe)
1141 {
1142         struct dst_state *state = fe->demodulator_priv;
1143         int retval;
1144         u8 reply;
1145
1146         dprintk(verbose, DST_INFO, 1, "type_flags 0x%x ", state->type_flags);
1147         state->decode_freq = 0;
1148         state->decode_lock = state->decode_strength = state->decode_snr = 0;
1149         if (state->dst_type == DST_TYPE_IS_SAT) {
1150                 if (!(state->diseq_flags & HAS_POWER))
1151                         dst_set_voltage(fe, SEC_VOLTAGE_13);
1152         }
1153         state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
1154         mutex_lock(&state->dst_mutex);
1155         if ((dst_comm_init(state)) < 0) {
1156                 dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
1157                 goto error;
1158         }
1159         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1160                 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
1161                 retval = write_dst(state, &state->tx_tuna[0], 10);
1162         } else {
1163                 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
1164                 retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
1165         }
1166         if (retval < 0) {
1167                 dst_pio_disable(state);
1168                 dprintk(verbose, DST_DEBUG, 1, "write not successful");
1169                 goto werr;
1170         }
1171         if ((dst_pio_disable(state)) < 0) {
1172                 dprintk(verbose, DST_DEBUG, 1, "DST PIO disable failed !");
1173                 goto error;
1174         }
1175         if ((read_dst(state, &reply, GET_ACK) < 0)) {
1176                 dprintk(verbose, DST_DEBUG, 1, "read verify not successful.");
1177                 goto error;
1178         }
1179         if (reply != ACK) {
1180                 dprintk(verbose, DST_DEBUG, 1, "write not acknowledged 0x%02x ", reply);
1181                 goto error;
1182         }
1183         state->diseq_flags |= ATTEMPT_TUNE;
1184         retval = dst_get_tuna(state);
1185 werr:
1186         mutex_unlock(&state->dst_mutex);
1187         return retval;
1188
1189 error:
1190         mutex_unlock(&state->dst_mutex);
1191         return -EIO;
1192 }
1193
1194 /*
1195  * line22k0    0x00, 0x09, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00
1196  * line22k1    0x00, 0x09, 0x01, 0xff, 0x01, 0x00, 0x00, 0x00
1197  * line22k2    0x00, 0x09, 0x02, 0xff, 0x01, 0x00, 0x00, 0x00
1198  * tone        0x00, 0x09, 0xff, 0x00, 0x01, 0x00, 0x00, 0x00
1199  * data        0x00, 0x09, 0xff, 0x01, 0x01, 0x00, 0x00, 0x00
1200  * power_off   0x00, 0x09, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
1201  * power_on    0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
1202  * Diseqc 1    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec
1203  * Diseqc 2    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf4, 0xe8
1204  * Diseqc 3    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf8, 0xe4
1205  * Diseqc 4    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xfc, 0xe0
1206  */
1207
1208 static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
1209 {
1210         struct dst_state *state = fe->demodulator_priv;
1211         u8 paket[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1212
1213         if (state->dst_type != DST_TYPE_IS_SAT)
1214                 return 0;
1215         if (cmd->msg_len == 0 || cmd->msg_len > 4)
1216                 return -EINVAL;
1217         memcpy(&paket[3], cmd->msg, cmd->msg_len);
1218         paket[7] = dst_check_sum(&paket[0], 7);
1219         dst_command(state, paket, 8);
1220         return 0;
1221 }
1222
1223 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
1224 {
1225         int need_cmd;
1226         struct dst_state *state = fe->demodulator_priv;
1227
1228         state->voltage = voltage;
1229         if (state->dst_type != DST_TYPE_IS_SAT)
1230                 return 0;
1231
1232         need_cmd = 0;
1233
1234         switch (voltage) {
1235         case SEC_VOLTAGE_13:
1236         case SEC_VOLTAGE_18:
1237                 if ((state->diseq_flags & HAS_POWER) == 0)
1238                         need_cmd = 1;
1239                 state->diseq_flags |= HAS_POWER;
1240                 state->tx_tuna[4] = 0x01;
1241                 break;
1242         case SEC_VOLTAGE_OFF:
1243                 need_cmd = 1;
1244                 state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
1245                 state->tx_tuna[4] = 0x00;
1246                 break;
1247         default:
1248                 return -EINVAL;
1249         }
1250
1251         if (need_cmd)
1252                 dst_tone_power_cmd(state);
1253
1254         return 0;
1255 }
1256
1257 static int dst_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
1258 {
1259         struct dst_state *state = fe->demodulator_priv;
1260
1261         state->tone = tone;
1262         if (state->dst_type != DST_TYPE_IS_SAT)
1263                 return 0;
1264
1265         switch (tone) {
1266         case SEC_TONE_OFF:
1267                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1268                     state->tx_tuna[2] = 0x00;
1269                 else
1270                     state->tx_tuna[2] = 0xff;
1271                 break;
1272
1273         case SEC_TONE_ON:
1274                 state->tx_tuna[2] = 0x02;
1275                 break;
1276         default:
1277                 return -EINVAL;
1278         }
1279         dst_tone_power_cmd(state);
1280
1281         return 0;
1282 }
1283
1284 static int dst_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t minicmd)
1285 {
1286         struct dst_state *state = fe->demodulator_priv;
1287
1288         if (state->dst_type != DST_TYPE_IS_SAT)
1289                 return 0;
1290         state->minicmd = minicmd;
1291         switch (minicmd) {
1292         case SEC_MINI_A:
1293                 state->tx_tuna[3] = 0x02;
1294                 break;
1295         case SEC_MINI_B:
1296                 state->tx_tuna[3] = 0xff;
1297                 break;
1298         }
1299         dst_tone_power_cmd(state);
1300
1301         return 0;
1302 }
1303
1304
1305 static int dst_init(struct dvb_frontend *fe)
1306 {
1307         struct dst_state *state = fe->demodulator_priv;
1308
1309         static u8 sat_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x00, 0x73, 0x21, 0x00, 0x00 };
1310         static u8 sat_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x55, 0xbd, 0x50, 0x00, 0x00 };
1311         static u8 ter_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1312         static u8 ter_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1313         static u8 cab_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1314         static u8 cab_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1315
1316         state->inversion = INVERSION_OFF;
1317         state->voltage = SEC_VOLTAGE_13;
1318         state->tone = SEC_TONE_OFF;
1319         state->diseq_flags = 0;
1320         state->k22 = 0x02;
1321         state->bandwidth = BANDWIDTH_7_MHZ;
1322         state->cur_jiff = jiffies;
1323         if (state->dst_type == DST_TYPE_IS_SAT)
1324                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? sat_tuna_188 : sat_tuna_204), sizeof (sat_tuna_204));
1325         else if (state->dst_type == DST_TYPE_IS_TERR)
1326                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? ter_tuna_188 : ter_tuna_204), sizeof (ter_tuna_204));
1327         else if (state->dst_type == DST_TYPE_IS_CABLE)
1328                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? cab_tuna_188 : cab_tuna_204), sizeof (cab_tuna_204));
1329
1330         return 0;
1331 }
1332
1333 static int dst_read_status(struct dvb_frontend *fe, fe_status_t *status)
1334 {
1335         struct dst_state *state = fe->demodulator_priv;
1336
1337         *status = 0;
1338         if (state->diseq_flags & HAS_LOCK) {
1339 //              dst_get_signal(state);  // don't require(?) to ask MCU
1340                 if (state->decode_lock)
1341                         *status |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_SYNC | FE_HAS_VITERBI;
1342         }
1343
1344         return 0;
1345 }
1346
1347 static int dst_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
1348 {
1349         struct dst_state *state = fe->demodulator_priv;
1350
1351         dst_get_signal(state);
1352         *strength = state->decode_strength;
1353
1354         return 0;
1355 }
1356
1357 static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
1358 {
1359         struct dst_state *state = fe->demodulator_priv;
1360
1361         dst_get_signal(state);
1362         *snr = state->decode_snr;
1363
1364         return 0;
1365 }
1366
1367 static int dst_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
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         return 0;
1394 }
1395
1396 static int dst_tune_frontend(struct dvb_frontend* fe,
1397                             struct dvb_frontend_parameters* p,
1398                             unsigned int mode_flags,
1399                             int *delay,
1400                             fe_status_t *status)
1401 {
1402         struct dst_state *state = fe->demodulator_priv;
1403
1404         if (p != NULL) {
1405                 dst_set_freq(state, p->frequency);
1406                 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1407
1408                 if (state->dst_type == DST_TYPE_IS_SAT) {
1409                         if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1410                                 dst_set_inversion(state, p->inversion);
1411                         dst_set_fec(state, p->u.qpsk.fec_inner);
1412                         dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1413                         dst_set_polarization(state);
1414                         dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
1415
1416                 } else if (state->dst_type == DST_TYPE_IS_TERR)
1417                         dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1418                 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1419                         dst_set_fec(state, p->u.qam.fec_inner);
1420                         dst_set_symbolrate(state, p->u.qam.symbol_rate);
1421                         dst_set_modulation(state, p->u.qam.modulation);
1422                 }
1423                 dst_write_tuna(fe);
1424         }
1425
1426         if (!(mode_flags & FE_TUNE_MODE_ONESHOT))
1427                 dst_read_status(fe, status);
1428
1429         *delay = HZ/10;
1430         return 0;
1431 }
1432
1433 static int dst_get_tuning_algo(struct dvb_frontend *fe)
1434 {
1435         return dst_algo;
1436 }
1437
1438 static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1439 {
1440         struct dst_state *state = fe->demodulator_priv;
1441
1442         p->frequency = state->decode_freq;
1443         if (state->dst_type == DST_TYPE_IS_SAT) {
1444                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1445                         p->inversion = state->inversion;
1446                 p->u.qpsk.symbol_rate = state->symbol_rate;
1447                 p->u.qpsk.fec_inner = dst_get_fec(state);
1448         } else if (state->dst_type == DST_TYPE_IS_TERR) {
1449                 p->u.ofdm.bandwidth = state->bandwidth;
1450         } else if (state->dst_type == DST_TYPE_IS_CABLE) {
1451                 p->u.qam.symbol_rate = state->symbol_rate;
1452                 p->u.qam.fec_inner = dst_get_fec(state);
1453                 p->u.qam.modulation = dst_get_modulation(state);
1454         }
1455
1456         return 0;
1457 }
1458
1459 static void dst_release(struct dvb_frontend *fe)
1460 {
1461         struct dst_state *state = fe->demodulator_priv;
1462         kfree(state);
1463 }
1464
1465 static struct dvb_frontend_ops dst_dvbt_ops;
1466 static struct dvb_frontend_ops dst_dvbs_ops;
1467 static struct dvb_frontend_ops dst_dvbc_ops;
1468 static struct dvb_frontend_ops dst_atsc_ops;
1469
1470 struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
1471 {
1472         /* check if the ASIC is there */
1473         if (dst_probe(state) < 0) {
1474                 kfree(state);
1475                 return NULL;
1476         }
1477         /* determine settings based on type */
1478         /* create dvb_frontend */
1479         switch (state->dst_type) {
1480         case DST_TYPE_IS_TERR:
1481                 memcpy(&state->frontend.ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
1482                 break;
1483         case DST_TYPE_IS_CABLE:
1484                 memcpy(&state->frontend.ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
1485                 break;
1486         case DST_TYPE_IS_SAT:
1487                 memcpy(&state->frontend.ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
1488                 break;
1489         case DST_TYPE_IS_ATSC:
1490                 memcpy(&state->frontend.ops, &dst_atsc_ops, sizeof(struct dvb_frontend_ops));
1491                 break;
1492         default:
1493                 dprintk(verbose, DST_ERROR, 1, "unknown DST type. please report to the LinuxTV.org DVB mailinglist.");
1494                 kfree(state);
1495                 return NULL;
1496         }
1497         state->frontend.demodulator_priv = state;
1498
1499         return state;                           /*      Manu (DST is a card not a frontend)     */
1500 }
1501
1502 EXPORT_SYMBOL(dst_attach);
1503
1504 static struct dvb_frontend_ops dst_dvbt_ops = {
1505
1506         .info = {
1507                 .name = "DST DVB-T",
1508                 .type = FE_OFDM,
1509                 .frequency_min = 137000000,
1510                 .frequency_max = 858000000,
1511                 .frequency_stepsize = 166667,
1512                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO
1513         },
1514
1515         .release = dst_release,
1516         .init = dst_init,
1517         .tune = dst_tune_frontend,
1518         .set_frontend = dst_set_frontend,
1519         .get_frontend = dst_get_frontend,
1520         .get_frontend_algo = dst_get_tuning_algo,
1521         .read_status = dst_read_status,
1522         .read_signal_strength = dst_read_signal_strength,
1523         .read_snr = dst_read_snr,
1524 };
1525
1526 static struct dvb_frontend_ops dst_dvbs_ops = {
1527
1528         .info = {
1529                 .name = "DST DVB-S",
1530                 .type = FE_QPSK,
1531                 .frequency_min = 950000,
1532                 .frequency_max = 2150000,
1533                 .frequency_stepsize = 1000,     /* kHz for QPSK frontends */
1534                 .frequency_tolerance = 29500,
1535                 .symbol_rate_min = 1000000,
1536                 .symbol_rate_max = 45000000,
1537         /*     . symbol_rate_tolerance  =       ???,*/
1538                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QPSK
1539         },
1540
1541         .release = dst_release,
1542         .init = dst_init,
1543         .tune = dst_tune_frontend,
1544         .set_frontend = dst_set_frontend,
1545         .get_frontend = dst_get_frontend,
1546         .get_frontend_algo = dst_get_tuning_algo,
1547         .read_status = dst_read_status,
1548         .read_signal_strength = dst_read_signal_strength,
1549         .read_snr = dst_read_snr,
1550         .diseqc_send_burst = dst_send_burst,
1551         .diseqc_send_master_cmd = dst_set_diseqc,
1552         .set_voltage = dst_set_voltage,
1553         .set_tone = dst_set_tone,
1554 };
1555
1556 static struct dvb_frontend_ops dst_dvbc_ops = {
1557
1558         .info = {
1559                 .name = "DST DVB-C",
1560                 .type = FE_QAM,
1561                 .frequency_stepsize = 62500,
1562                 .frequency_min = 51000000,
1563                 .frequency_max = 858000000,
1564                 .symbol_rate_min = 1000000,
1565                 .symbol_rate_max = 45000000,
1566         /*     . symbol_rate_tolerance  =       ???,*/
1567                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO
1568         },
1569
1570         .release = dst_release,
1571         .init = dst_init,
1572         .tune = dst_tune_frontend,
1573         .set_frontend = dst_set_frontend,
1574         .get_frontend = dst_get_frontend,
1575         .get_frontend_algo = dst_get_tuning_algo,
1576         .read_status = dst_read_status,
1577         .read_signal_strength = dst_read_signal_strength,
1578         .read_snr = dst_read_snr,
1579 };
1580
1581 static struct dvb_frontend_ops dst_atsc_ops = {
1582         .info = {
1583                 .name = "DST ATSC",
1584                 .type = FE_ATSC,
1585                 .frequency_stepsize = 62500,
1586                 .frequency_min = 510000000,
1587                 .frequency_max = 858000000,
1588                 .symbol_rate_min = 1000000,
1589                 .symbol_rate_max = 45000000,
1590                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
1591         },
1592
1593         .release = dst_release,
1594         .init = dst_init,
1595         .tune = dst_tune_frontend,
1596         .set_frontend = dst_set_frontend,
1597         .get_frontend = dst_get_frontend,
1598         .get_frontend_algo = dst_get_tuning_algo,
1599         .read_status = dst_read_status,
1600         .read_signal_strength = dst_read_signal_strength,
1601         .read_snr = dst_read_snr,
1602 };
1603
1604 MODULE_DESCRIPTION("DST DVB-S/T/C/ATSC Combo Frontend driver");
1605 MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1606 MODULE_LICENSE("GPL");