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   1 /*
   2         Frontend/Card driver for TwinHan DST Frontend
   3         Copyright (C) 2003 Jamie Honan
   4         Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
   5
   6         This program is free software; you can redistribute it and/or modify
   7         it under the terms of the GNU General Public License as published by
   8         the Free Software Foundation; either version 2 of the License, or
   9         (at your option) any later version.
  10
  11         This program is distributed in the hope that it will be useful,
  12         but WITHOUT ANY WARRANTY; without even the implied warranty of
  13         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14         GNU General Public License for more details.
  15
  16         You should have received a copy of the GNU General Public License
  17         along with this program; if not, write to the Free Software
  18         Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include <linux/kernel.h>
  22 #include <linux/module.h>
  23 #include <linux/init.h>
  24 #include <linux/string.h>
  25 #include <linux/slab.h>
  26 #include <linux/vmalloc.h>
  27 #include <linux/delay.h>
  28 #include <asm/div64.h>
  29 #include "dvb_frontend.h"
  30 #include "dst_priv.h"
  31 #include "dst_common.h"
  32
  33 static unsigned int verbose = 1;
  34 module_param(verbose, int, 0644);
  35 MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
  36
  37 static unsigned int dst_addons;
  38 module_param(dst_addons, int, 0644);
  39 MODULE_PARM_DESC(dst_addons, "CA daughterboard, default is 0 (No addons)");
  40
  41 static unsigned int dst_algo;
  42 module_param(dst_algo, int, 0644);
  43 MODULE_PARM_DESC(dst_algo, "tuning algo: default is 0=(SW), 1=(HW)");
  44
  45 #define HAS_LOCK                1
  46 #define ATTEMPT_TUNE            2
  47 #define HAS_POWER               4
  48
  49 #define DST_ERROR               0
  50 #define DST_NOTICE              1
  51 #define DST_INFO                2
  52 #define DST_DEBUG               3
  53
  54 #define dprintk(x, y, z, format, arg...) do {                                           \
  55         if (z) {                                                                        \
  56                 if      ((x > DST_ERROR) && (x > y))                                    \
  57                         printk(KERN_ERR "%s: " format "\n", __FUNCTION__ , ##arg);      \
  58                 else if ((x > DST_NOTICE) && (x > y))                                   \
  59                         printk(KERN_NOTICE "%s: " format "\n", __FUNCTION__ , ##arg);   \
  60                 else if ((x > DST_INFO) && (x > y))                                     \
  61                         printk(KERN_INFO "%s: " format "\n", __FUNCTION__ , ##arg);     \
  62                 else if ((x > DST_DEBUG) && (x > y))                                    \
  63                         printk(KERN_DEBUG "%s: " format "\n", __FUNCTION__ , ##arg);    \
  64         } else {                                                                        \
  65                 if (x > y)                                                              \
  66                         printk(format, ##arg);                                          \
  67         }                                                                               \
  68 } while(0)
  69
  70
  71 static void dst_packsize(struct dst_state *state, int psize)
  72 {
  73         union dst_gpio_packet bits;
  74
  75         bits.psize = psize;
  76         bt878_device_control(state->bt, DST_IG_TS, &bits);
  77 }
  78
  79 int dst_gpio_outb(struct dst_state *state, u32 mask, u32 enbb, u32 outhigh, int delay)
  80 {
  81         union dst_gpio_packet enb;
  82         union dst_gpio_packet bits;
  83         int err;
  84
  85         enb.enb.mask = mask;
  86         enb.enb.enable = enbb;
  87
  88         dprintk(verbose, DST_INFO, 1, "mask=[%04x], enbb=[%04x], outhigh=[%04x]", mask, enbb, outhigh);
  89         if ((err = bt878_device_control(state->bt, DST_IG_ENABLE, &enb)) < 0) {
  90                 dprintk(verbose, DST_INFO, 1, "dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)", err, mask, enbb);
  91                 return -EREMOTEIO;
  92         }
  93         udelay(1000);
  94         /* because complete disabling means no output, no need to do output packet */
  95         if (enbb == 0)
  96                 return 0;
  97         if (delay)
  98                 msleep(10);
  99         bits.outp.mask = enbb;
 100         bits.outp.highvals = outhigh;
 101         if ((err = bt878_device_control(state->bt, DST_IG_WRITE, &bits)) < 0) {
 102                 dprintk(verbose, DST_INFO, 1, "dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)", err, enbb, outhigh);
 103                 return -EREMOTEIO;
 104         }
 105
 106         return 0;
 107 }
 108 EXPORT_SYMBOL(dst_gpio_outb);
 109
 110 int dst_gpio_inb(struct dst_state *state, u8 *result)
 111 {
 112         union dst_gpio_packet rd_packet;
 113         int err;
 114
 115         *result = 0;
 116         if ((err = bt878_device_control(state->bt, DST_IG_READ, &rd_packet)) < 0) {
 117                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb error (err == %i)\n", err);
 118                 return -EREMOTEIO;
 119         }
 120         *result = (u8) rd_packet.rd.value;
 121
 122         return 0;
 123 }
 124 EXPORT_SYMBOL(dst_gpio_inb);
 125
 126 int rdc_reset_state(struct dst_state *state)
 127 {
 128         dprintk(verbose, DST_INFO, 1, "Resetting state machine");
 129         if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, 0, NO_DELAY) < 0) {
 130                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
 131                 return -1;
 132         }
 133         msleep(10);
 134         if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, RDC_8820_INT, NO_DELAY) < 0) {
 135                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
 136                 msleep(10);
 137                 return -1;
 138         }
 139
 140         return 0;
 141 }
 142 EXPORT_SYMBOL(rdc_reset_state);
 143
 144 int rdc_8820_reset(struct dst_state *state)
 145 {
 146         dprintk(verbose, DST_DEBUG, 1, "Resetting DST");
 147         if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, 0, NO_DELAY) < 0) {
 148                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
 149                 return -1;
 150         }
 151         udelay(1000);
 152         if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, RDC_8820_RESET, DELAY) < 0) {
 153                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
 154                 return -1;
 155         }
 156
 157         return 0;
 158 }
 159 EXPORT_SYMBOL(rdc_8820_reset);
 160
 161 int dst_pio_enable(struct dst_state *state)
 162 {
 163         if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_ENABLE, 0, NO_DELAY) < 0) {
 164                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
 165                 return -1;
 166         }
 167         udelay(1000);
 168
 169         return 0;
 170 }
 171 EXPORT_SYMBOL(dst_pio_enable);
 172
 173 int dst_pio_disable(struct dst_state *state)
 174 {
 175         if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_DISABLE, RDC_8820_PIO_0_DISABLE, NO_DELAY) < 0) {
 176                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
 177                 return -1;
 178         }
 179         if (state->type_flags & DST_TYPE_HAS_FW_1)
 180                 udelay(1000);
 181
 182         return 0;
 183 }
 184 EXPORT_SYMBOL(dst_pio_disable);
 185
 186 int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode)
 187 {
 188         u8 reply;
 189         int i;
 190
 191         for (i = 0; i < 200; i++) {
 192                 if (dst_gpio_inb(state, &reply) < 0) {
 193                         dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb ERROR !");
 194                         return -1;
 195                 }
 196                 if ((reply & RDC_8820_PIO_0_ENABLE) == 0) {
 197                         dprintk(verbose, DST_INFO, 1, "dst wait ready after %d", i);
 198                         return 1;
 199                 }
 200                 msleep(10);
 201         }
 202         dprintk(verbose, DST_NOTICE, 1, "dst wait NOT ready after %d", i);
 203
 204         return 0;
 205 }
 206 EXPORT_SYMBOL(dst_wait_dst_ready);
 207
 208 int dst_error_recovery(struct dst_state *state)
 209 {
 210         dprintk(verbose, DST_NOTICE, 1, "Trying to return from previous errors.");
 211         dst_pio_disable(state);
 212         msleep(10);
 213         dst_pio_enable(state);
 214         msleep(10);
 215
 216         return 0;
 217 }
 218 EXPORT_SYMBOL(dst_error_recovery);
 219
 220 int dst_error_bailout(struct dst_state *state)
 221 {
 222         dprintk(verbose, DST_INFO, 1, "Trying to bailout from previous error.");
 223         rdc_8820_reset(state);
 224         dst_pio_disable(state);
 225         msleep(10);
 226
 227         return 0;
 228 }
 229 EXPORT_SYMBOL(dst_error_bailout);
 230
 231 int dst_comm_init(struct dst_state *state)
 232 {
 233         dprintk(verbose, DST_INFO, 1, "Initializing DST.");
 234         if ((dst_pio_enable(state)) < 0) {
 235                 dprintk(verbose, DST_ERROR, 1, "PIO Enable Failed");
 236                 return -1;
 237         }
 238         if ((rdc_reset_state(state)) < 0) {
 239                 dprintk(verbose, DST_ERROR, 1, "RDC 8820 State RESET Failed.");
 240                 return -1;
 241         }
 242         if (state->type_flags & DST_TYPE_HAS_FW_1)
 243                 msleep(100);
 244         else
 245                 msleep(5);
 246
 247         return 0;
 248 }
 249 EXPORT_SYMBOL(dst_comm_init);
 250
 251 int write_dst(struct dst_state *state, u8 *data, u8 len)
 252 {
 253         struct i2c_msg msg = {
 254                 .addr = state->config->demod_address,
 255                 .flags = 0,
 256                 .buf = data,
 257                 .len = len
 258         };
 259
 260         int err;
 261         u8 cnt, i;
 262
 263         dprintk(verbose, DST_NOTICE, 0, "writing [ ");
 264         for (i = 0; i < len; i++)
 265                 dprintk(verbose, DST_NOTICE, 0, "%02x ", data[i]);
 266         dprintk(verbose, DST_NOTICE, 0, "]\n");
 267
 268         for (cnt = 0; cnt < 2; cnt++) {
 269                 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
 270                         dprintk(verbose, DST_INFO, 1, "_write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, data[0]);
 271                         dst_error_recovery(state);
 272                         continue;
 273                 } else
 274                         break;
 275         }
 276         if (cnt >= 2) {
 277                 dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
 278                 dst_error_bailout(state);
 279
 280                 return -1;
 281         }
 282
 283         return 0;
 284 }
 285 EXPORT_SYMBOL(write_dst);
 286
 287 int read_dst(struct dst_state *state, u8 *ret, u8 len)
 288 {
 289         struct i2c_msg msg = {
 290                 .addr = state->config->demod_address,
 291                 .flags = I2C_M_RD,
 292                 .buf = ret,
 293                 .len = len
 294         };
 295
 296         int err;
 297         int cnt;
 298
 299         for (cnt = 0; cnt < 2; cnt++) {
 300                 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
 301                         dprintk(verbose, DST_INFO, 1, "read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, ret[0]);
 302                         dst_error_recovery(state);
 303                         continue;
 304                 } else
 305                         break;
 306         }
 307         if (cnt >= 2) {
 308                 dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
 309                 dst_error_bailout(state);
 310
 311                 return -1;
 312         }
 313         dprintk(verbose, DST_DEBUG, 1, "reply is 0x%x", ret[0]);
 314         for (err = 1; err < len; err++)
 315                 dprintk(verbose, DST_DEBUG, 0, " 0x%x", ret[err]);
 316         if (err > 1)
 317                 dprintk(verbose, DST_DEBUG, 0, "\n");
 318
 319         return 0;
 320 }
 321 EXPORT_SYMBOL(read_dst);
 322
 323 static int dst_set_polarization(struct dst_state *state)
 324 {
 325         switch (state->voltage) {
 326         case SEC_VOLTAGE_13:    /*      Vertical        */
 327                 dprintk(verbose, DST_INFO, 1, "Polarization=[Vertical]");
 328                 state->tx_tuna[8] &= ~0x40;
 329                 break;
 330         case SEC_VOLTAGE_18:    /*      Horizontal      */
 331                 dprintk(verbose, DST_INFO, 1, "Polarization=[Horizontal]");
 332                 state->tx_tuna[8] |= 0x40;
 333                 break;
 334         case SEC_VOLTAGE_OFF:
 335                 break;
 336         }
 337
 338         return 0;
 339 }
 340
 341 static int dst_set_freq(struct dst_state *state, u32 freq)
 342 {
 343         state->frequency = freq;
 344         dprintk(verbose, DST_INFO, 1, "set Frequency %u", freq);
 345
 346         if (state->dst_type == DST_TYPE_IS_SAT) {
 347                 freq = freq / 1000;
 348                 if (freq < 950 || freq > 2150)
 349                         return -EINVAL;
 350                 state->tx_tuna[2] = (freq >> 8);
 351                 state->tx_tuna[3] = (u8) freq;
 352                 state->tx_tuna[4] = 0x01;
 353                 state->tx_tuna[8] &= ~0x04;
 354                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
 355                         if (freq < 1531)
 356                                 state->tx_tuna[8] |= 0x04;
 357                 }
 358         } else if (state->dst_type == DST_TYPE_IS_TERR) {
 359                 freq = freq / 1000;
 360                 if (freq < 137000 || freq > 858000)
 361                         return -EINVAL;
 362                 state->tx_tuna[2] = (freq >> 16) & 0xff;
 363                 state->tx_tuna[3] = (freq >> 8) & 0xff;
 364                 state->tx_tuna[4] = (u8) freq;
 365         } else if (state->dst_type == DST_TYPE_IS_CABLE) {
 366                 freq = freq / 1000;
 367                 state->tx_tuna[2] = (freq >> 16) & 0xff;
 368                 state->tx_tuna[3] = (freq >> 8) & 0xff;
 369                 state->tx_tuna[4] = (u8) freq;
 370         } else if (state->dst_type == DST_TYPE_IS_ATSC) {
 371                 freq = freq / 1000;
 372                 if (freq < 51000 || freq > 858000)
 373                         return -EINVAL;
 374                 state->tx_tuna[2] = (freq >> 16) & 0xff;
 375                 state->tx_tuna[3] = (freq >>  8) & 0xff;
 376                 state->tx_tuna[4] = (u8) freq;
 377                 state->tx_tuna[5] = 0x00;               /*      ATSC    */
 378                 state->tx_tuna[6] = 0x00;
 379                 if (state->dst_hw_cap & DST_TYPE_HAS_ANALOG)
 380                         state->tx_tuna[7] = 0x00;       /*      Digital */
 381         } else
 382                 return -EINVAL;
 383
 384         return 0;
 385 }
 386
 387 static int dst_set_bandwidth(struct dst_state *state, fe_bandwidth_t bandwidth)
 388 {
 389         state->bandwidth = bandwidth;
 390
 391         if (state->dst_type != DST_TYPE_IS_TERR)
 392                 return 0;
 393
 394         switch (bandwidth) {
 395         case BANDWIDTH_6_MHZ:
 396                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
 397                         state->tx_tuna[7] = 0x06;
 398                 else {
 399                         state->tx_tuna[6] = 0x06;
 400                         state->tx_tuna[7] = 0x00;
 401                 }
 402                 break;
 403         case BANDWIDTH_7_MHZ:
 404                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
 405                         state->tx_tuna[7] = 0x07;
 406                 else {
 407                         state->tx_tuna[6] = 0x07;
 408                         state->tx_tuna[7] = 0x00;
 409                 }
 410                 break;
 411         case BANDWIDTH_8_MHZ:
 412                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
 413                         state->tx_tuna[7] = 0x08;
 414                 else {
 415                         state->tx_tuna[6] = 0x08;
 416                         state->tx_tuna[7] = 0x00;
 417                 }
 418                 break;
 419         default:
 420                 return -EINVAL;
 421         }
 422
 423         return 0;
 424 }
 425
 426 static int dst_set_inversion(struct dst_state *state, fe_spectral_inversion_t inversion)
 427 {
 428         state->inversion = inversion;
 429         switch (inversion) {
 430         case INVERSION_OFF:     /*      Inversion = Normal      */
 431                 state->tx_tuna[8] &= ~0x80;
 432                 break;
 433         case INVERSION_ON:
 434                 state->tx_tuna[8] |= 0x80;
 435                 break;
 436         default:
 437                 return -EINVAL;
 438         }
 439
 440         return 0;
 441 }
 442
 443 static int dst_set_fec(struct dst_state *state, fe_code_rate_t fec)
 444 {
 445         state->fec = fec;
 446         return 0;
 447 }
 448
 449 static fe_code_rate_t dst_get_fec(struct dst_state *state)
 450 {
 451         return state->fec;
 452 }
 453
 454 static int dst_set_symbolrate(struct dst_state *state, u32 srate)
 455 {
 456         u32 symcalc;
 457         u64 sval;
 458
 459         state->symbol_rate = srate;
 460         if (state->dst_type == DST_TYPE_IS_TERR) {
 461                 return 0;
 462         }
 463         dprintk(verbose, DST_INFO, 1, "set symrate %u", srate);
 464         srate /= 1000;
 465         if (state->type_flags & DST_TYPE_HAS_SYMDIV) {
 466                 sval = srate;
 467                 sval <<= 20;
 468                 do_div(sval, 88000);
 469                 symcalc = (u32) sval;
 470                 dprintk(verbose, DST_INFO, 1, "set symcalc %u", symcalc);
 471                 state->tx_tuna[5] = (u8) (symcalc >> 12);
 472                 state->tx_tuna[6] = (u8) (symcalc >> 4);
 473                 state->tx_tuna[7] = (u8) (symcalc << 4);
 474         } else {
 475                 state->tx_tuna[5] = (u8) (srate >> 16) & 0x7f;
 476                 state->tx_tuna[6] = (u8) (srate >> 8);
 477                 state->tx_tuna[7] = (u8) srate;
 478         }
 479         state->tx_tuna[8] &= ~0x20;
 480         if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
 481                 if (srate > 8000)
 482                         state->tx_tuna[8] |= 0x20;
 483         }
 484         return 0;
 485 }
 486
 487
 488 static int dst_set_modulation(struct dst_state *state, fe_modulation_t modulation)
 489 {
 490         if (state->dst_type != DST_TYPE_IS_CABLE)
 491                 return 0;
 492
 493         state->modulation = modulation;
 494         switch (modulation) {
 495         case QAM_16:
 496                 state->tx_tuna[8] = 0x10;
 497                 break;
 498         case QAM_32:
 499                 state->tx_tuna[8] = 0x20;
 500                 break;
 501         case QAM_64:
 502                 state->tx_tuna[8] = 0x40;
 503                 break;
 504         case QAM_128:
 505                 state->tx_tuna[8] = 0x80;
 506                 break;
 507         case QAM_256:
 508                 state->tx_tuna[8] = 0x00;
 509                 break;
 510         case QPSK:
 511         case QAM_AUTO:
 512         case VSB_8:
 513         case VSB_16:
 514         default:
 515                 return -EINVAL;
 516
 517         }
 518
 519         return 0;
 520 }
 521
 522 static fe_modulation_t dst_get_modulation(struct dst_state *state)
 523 {
 524         return state->modulation;
 525 }
 526
 527
 528 u8 dst_check_sum(u8 *buf, u32 len)
 529 {
 530         u32 i;
 531         u8 val = 0;
 532         if (!len)
 533                 return 0;
 534         for (i = 0; i < len; i++) {
 535                 val += buf[i];
 536         }
 537         return ((~val) + 1);
 538 }
 539 EXPORT_SYMBOL(dst_check_sum);
 540
 541 static void dst_type_flags_print(u32 type_flags)
 542 {
 543         dprintk(verbose, DST_ERROR, 0, "DST type flags :");
 544         if (type_flags & DST_TYPE_HAS_NEWTUNE)
 545                 dprintk(verbose, DST_ERROR, 0, " 0x%x newtuner", DST_TYPE_HAS_NEWTUNE);
 546         if (type_flags & DST_TYPE_HAS_TS204)
 547                 dprintk(verbose, DST_ERROR, 0, " 0x%x ts204", DST_TYPE_HAS_TS204);
 548         if (type_flags & DST_TYPE_HAS_SYMDIV)
 549                 dprintk(verbose, DST_ERROR, 0, " 0x%x symdiv", DST_TYPE_HAS_SYMDIV);
 550         if (type_flags & DST_TYPE_HAS_FW_1)
 551                 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 1", DST_TYPE_HAS_FW_1);
 552         if (type_flags & DST_TYPE_HAS_FW_2)
 553                 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 2", DST_TYPE_HAS_FW_2);
 554         if (type_flags & DST_TYPE_HAS_FW_3)
 555                 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 3", DST_TYPE_HAS_FW_3);
 556         dprintk(verbose, DST_ERROR, 0, "\n");
 557 }
 558
 559
 560 static int dst_type_print(u8 type)
 561 {
 562         char *otype;
 563         switch (type) {
 564         case DST_TYPE_IS_SAT:
 565                 otype = "satellite";
 566                 break;
 567
 568         case DST_TYPE_IS_TERR:
 569                 otype = "terrestrial";
 570                 break;
 571
 572         case DST_TYPE_IS_CABLE:
 573                 otype = "cable";
 574                 break;
 575
 576         case DST_TYPE_IS_ATSC:
 577                 otype = "atsc";
 578                 break;
 579
 580         default:
 581                 dprintk(verbose, DST_INFO, 1, "invalid dst type %d", type);
 582                 return -EINVAL;
 583         }
 584         dprintk(verbose, DST_INFO, 1, "DST type: %s", otype);
 585
 586         return 0;
 587 }
 588
 589 struct tuner_types tuner_list[] = {
 590         {
 591                 .tuner_type = 2,
 592                 .tuner_name = "L 64724"
 593         },
 594
 595         {
 596                 .tuner_type = 4,
 597                 .tuner_name = "STV 0299"
 598         },
 599
 600         {
 601                 .tuner_type = 8,
 602                 .tuner_name = "MB 86A15"
 603         },
 604 };
 605
 606 /*
 607         Known cards list
 608         Satellite
 609         -------------------
 610                   200103A
 611         VP-1020   DST-MOT       LG(old), TS=188
 612
 613         VP-1020   DST-03T       LG(new), TS=204
 614         VP-1022   DST-03T       LG(new), TS=204
 615         VP-1025   DST-03T       LG(new), TS=204
 616
 617         VP-1030   DSTMCI,       LG(new), TS=188
 618         VP-1032   DSTMCI,       LG(new), TS=188
 619
 620         Cable
 621         -------------------
 622         VP-2030   DCT-CI,       Samsung, TS=204
 623         VP-2021   DCT-CI,       Unknown, TS=204
 624         VP-2031   DCT-CI,       Philips, TS=188
 625         VP-2040   DCT-CI,       Philips, TS=188, with CA daughter board
 626         VP-2040   DCT-CI,       Philips, TS=204, without CA daughter board
 627
 628         Terrestrial
 629         -------------------
 630         VP-3050  DTTNXT                  TS=188
 631         VP-3040  DTT-CI,        Philips, TS=188
 632         VP-3040  DTT-CI,        Philips, TS=204
 633
 634         ATSC
 635         -------------------
 636         VP-3220  ATSCDI,                 TS=188
 637         VP-3250  ATSCAD,                 TS=188
 638
 639 */
 640
 641 static struct dst_types dst_tlist[] = {
 642         {
 643                 .device_id = "200103A",
 644                 .offset = 0,
 645                 .dst_type =  DST_TYPE_IS_SAT,
 646                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_OBS_REGS,
 647                 .dst_feature = 0,
 648                 .tuner_type = 0
 649         },      /*      obsolete        */
 650
 651         {
 652                 .device_id = "DST-020",
 653                 .offset = 0,
 654                 .dst_type =  DST_TYPE_IS_SAT,
 655                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
 656                 .dst_feature = 0,
 657                 .tuner_type = 0
 658         },      /*      obsolete        */
 659
 660         {
 661                 .device_id = "DST-030",
 662                 .offset =  0,
 663                 .dst_type = DST_TYPE_IS_SAT,
 664                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
 665                 .dst_feature = 0,
 666                 .tuner_type = 0
 667         },      /*      obsolete        */
 668
 669         {
 670                 .device_id = "DST-03T",
 671                 .offset = 0,
 672                 .dst_type = DST_TYPE_IS_SAT,
 673                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
 674                 .dst_feature = DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4 | DST_TYPE_HAS_DISEQC5
 675                                                          | DST_TYPE_HAS_MAC | DST_TYPE_HAS_MOTO,
 676                 .tuner_type = TUNER_TYPE_MULTI
 677          },
 678
 679         {
 680                 .device_id = "DST-MOT",
 681                 .offset =  0,
 682                 .dst_type = DST_TYPE_IS_SAT,
 683                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
 684                 .dst_feature = 0,
 685                 .tuner_type = 0
 686         },      /*      obsolete        */
 687
 688         {
 689                 .device_id = "DST-CI",
 690                 .offset = 1,
 691                 .dst_type = DST_TYPE_IS_SAT,
 692                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_1,
 693                 .dst_feature = DST_TYPE_HAS_CA,
 694                 .tuner_type = 0
 695         },      /*      An OEM board    */
 696
 697         {
 698                 .device_id = "DSTMCI",
 699                 .offset = 1,
 700                 .dst_type = DST_TYPE_IS_SAT,
 701                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_INC_COUNT,
 702                 .dst_feature = DST_TYPE_HAS_CA | DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4
 703                                                         | DST_TYPE_HAS_MOTO | DST_TYPE_HAS_MAC,
 704                 .tuner_type = TUNER_TYPE_MULTI
 705         },
 706
 707         {
 708                 .device_id = "DSTFCI",
 709                 .offset = 1,
 710                 .dst_type = DST_TYPE_IS_SAT,
 711                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
 712                 .dst_feature = 0,
 713                 .tuner_type = 0
 714         },      /* unknown to vendor    */
 715
 716         {
 717                 .device_id = "DCT-CI",
 718                 .offset = 1,
 719                 .dst_type = DST_TYPE_IS_CABLE,
 720                 .type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_FW_2,
 721                 .dst_feature = DST_TYPE_HAS_CA,
 722                 .tuner_type = 0
 723         },
 724
 725         {
 726                 .device_id = "DCTNEW",
 727                 .offset = 1,
 728                 .dst_type = DST_TYPE_IS_CABLE,
 729                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_3 | DST_TYPE_HAS_FW_BUILD,
 730                 .dst_feature = 0,
 731                 .tuner_type = 0
 732         },
 733
 734         {
 735                 .device_id = "DTT-CI",
 736                 .offset = 1,
 737                 .dst_type = DST_TYPE_IS_TERR,
 738                 .type_flags = DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_MULTI_FE,
 739                 .dst_feature = DST_TYPE_HAS_CA,
 740                 .tuner_type = 0
 741         },
 742
 743         {
 744                 .device_id = "DTTDIG",
 745                 .offset = 1,
 746                 .dst_type = DST_TYPE_IS_TERR,
 747                 .type_flags = DST_TYPE_HAS_FW_2,
 748                 .dst_feature = 0,
 749                 .tuner_type = 0
 750         },
 751
 752         {
 753                 .device_id = "DTTNXT",
 754                 .offset = 1,
 755                 .dst_type = DST_TYPE_IS_TERR,
 756                 .type_flags = DST_TYPE_HAS_FW_2,
 757                 .dst_feature = DST_TYPE_HAS_ANALOG,
 758                 .tuner_type = 0
 759         },
 760
 761         {
 762                 .device_id = "ATSCDI",
 763                 .offset = 1,
 764                 .dst_type = DST_TYPE_IS_ATSC,
 765                 .type_flags = DST_TYPE_HAS_FW_2,
 766                 .dst_feature = 0,
 767                 .tuner_type = 0
 768         },
 769
 770         {
 771                 .device_id = "ATSCAD",
 772                 .offset = 1,
 773                 .dst_type = DST_TYPE_IS_ATSC,
 774                 .type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
 775                 .dst_feature = DST_TYPE_HAS_MAC | DST_TYPE_HAS_ANALOG,
 776                 .tuner_type = 0
 777         },
 778
 779         { }
 780
 781 };
 782
 783 static int dst_get_mac(struct dst_state *state)
 784 {
 785         u8 get_mac[] = { 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 786         get_mac[7] = dst_check_sum(get_mac, 7);
 787         if (dst_command(state, get_mac, 8) < 0) {
 788                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
 789                 return -1;
 790         }
 791         memset(&state->mac_address, '\0', 8);
 792         memcpy(&state->mac_address, &state->rxbuffer, 6);
 793         dprintk(verbose, DST_ERROR, 1, "MAC Address=[%02x:%02x:%02x:%02x:%02x:%02x]",
 794                 state->mac_address[0], state->mac_address[1], state->mac_address[2],
 795                 state->mac_address[4], state->mac_address[5], state->mac_address[6]);
 796
 797         return 0;
 798 }
 799
 800 static int dst_fw_ver(struct dst_state *state)
 801 {
 802         u8 get_ver[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 803         get_ver[7] = dst_check_sum(get_ver, 7);
 804         if (dst_command(state, get_ver, 8) < 0) {
 805                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
 806                 return -1;
 807         }
 808         memset(&state->fw_version, '\0', 8);
 809         memcpy(&state->fw_version, &state->rxbuffer, 8);
 810         dprintk(verbose, DST_ERROR, 1, "Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x",
 811                 state->fw_version[0] >> 4, state->fw_version[0] & 0x0f,
 812                 state->fw_version[1],
 813                 state->fw_version[5], state->fw_version[6],
 814                 state->fw_version[4], state->fw_version[3], state->fw_version[2]);
 815
 816         return 0;
 817 }
 818
 819 static int dst_card_type(struct dst_state *state)
 820 {
 821         u8 get_type[] = { 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 822         get_type[7] = dst_check_sum(get_type, 7);
 823         if (dst_command(state, get_type, 8) < 0) {
 824                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
 825                 return -1;
 826         }
 827         memset(&state->card_info, '\0', 8);
 828         memcpy(&state->card_info, &state->rxbuffer, 7);
 829         dprintk(verbose, DST_ERROR, 1, "Device Model=[%s]", &state->card_info[0]);
 830
 831         return 0;
 832 }
 833
 834 static int dst_get_vendor(struct dst_state *state)
 835 {
 836         u8 get_vendor[] = { 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 837         get_vendor[7] = dst_check_sum(get_vendor, 7);
 838         if (dst_command(state, get_vendor, 8) < 0) {
 839                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
 840                 return -1;
 841         }
 842         memset(&state->vendor, '\0', 8);
 843         memcpy(&state->vendor, &state->rxbuffer, 7);
 844         dprintk(verbose, DST_ERROR, 1, "Vendor=[%s]", &state->vendor[0]);
 845
 846         return 0;
 847 }
 848
 849 static int dst_get_tuner_info(struct dst_state *state)
 850 {
 851         u8 get_tuner_1[] = { 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 852         u8 get_tuner_2[] = { 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 853
 854         get_tuner_1[7] = dst_check_sum(get_tuner_1, 7);
 855         get_tuner_2[7] = dst_check_sum(get_tuner_2, 7);
 856         dprintk(verbose, DST_ERROR, 1, "DST TYpe = MULTI FE");
 857         if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
 858 //              if (dst_command(state, get_tuner_2, 8) < 0) {
 859                 if (dst_command(state, get_tuner_1, 8) < 0) {
 860                         dprintk(verbose, DST_INFO, 1, "Cmd=[0x13], Unsupported");
 861                         return -1;
 862                 }
 863         } else {
 864 //              if (dst_command(state, get_tuner_1, 8) < 0) {
 865                 if (dst_command(state, get_tuner_2, 8) < 0) {
 866                         dprintk(verbose, DST_INFO, 1, "Cmd=[0xb], Unsupported");
 867                         return -1;
 868                 }
 869         }
 870         memset(&state->board_info, '\0', 8);
 871         memcpy(&state->board_info, &state->rxbuffer, 8);
 872         if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
 873                 dprintk(verbose, DST_ERROR, 1, "DST type has TS=188");
 874 /*
 875                 if (state->board_info[1] == 0x0b) {
 876                         if (state->type_flags & DST_TYPE_HAS_TS204)
 877                                 state->type_flags &= ~DST_TYPE_HAS_TS204;
 878                         state->type_flags |= DST_TYPE_HAS_NEWTUNE;
 879                         dprintk(verbose, DST_INFO, 1, "DST type has TS=188");
 880                 } else {
 881                         if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
 882                                 state->type_flags &= ~DST_TYPE_HAS_NEWTUNE;
 883                         state->type_flags |= DST_TYPE_HAS_TS204;
 884                         dprintk(verbose, DST_INFO, 1, "DST type has TS=204");
 885                 }
 886         } else {
 887 */
 888         }
 889         if (state->board_info[0] == 0xbc) {
 890 //              if (state->type_flags & DST_TYPE_HAS_TS204)
 891 //                      state->type_flags &= ~DST_TYPE_HAS_TS204;
 892                 state->type_flags |= DST_TYPE_HAS_NEWTUNE;
 893                 dprintk(verbose, DST_INFO, 1, "DST type has TS=188, Daughterboard=[%d]", state->board_info[1]);
 894
 895         } else if (state->board_info[0] == 0xcc) {
 896 //              if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
 897 //                      state->type_flags &= ~DST_TYPE_HAS_NEWTUNE;
 898                 state->type_flags |= DST_TYPE_HAS_TS204;
 899                 dprintk(verbose, DST_INFO, 1, "DST type has TS=204 Daughterboard=[%d]", state->board_info[1]);
 900         }
 901 //      }
 902
 903         return 0;
 904 }
 905
 906 static int dst_get_device_id(struct dst_state *state)
 907 {
 908         u8 reply;
 909
 910         int i, j;
 911         struct dst_types *p_dst_type;
 912         struct tuner_types *p_tuner_list;
 913
 914         u8 use_dst_type = 0;
 915         u32 use_type_flags = 0;
 916
 917         static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
 918
 919         device_type[7] = dst_check_sum(device_type, 7);
 920
 921         if (write_dst(state, device_type, FIXED_COMM))
 922                 return -1;              /*      Write failed            */
 923         if ((dst_pio_disable(state)) < 0)
 924                 return -1;
 925         if (read_dst(state, &reply, GET_ACK))
 926                 return -1;              /*      Read failure            */
 927         if (reply != ACK) {
 928                 dprintk(verbose, DST_INFO, 1, "Write not Acknowledged! [Reply=0x%02x]", reply);
 929                 return -1;              /*      Unack'd write           */
 930         }
 931         if (!dst_wait_dst_ready(state, DEVICE_INIT))
 932                 return -1;              /*      DST not ready yet       */
 933         if (read_dst(state, state->rxbuffer, FIXED_COMM))
 934                 return -1;
 935
 936         dst_pio_disable(state);
 937         if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
 938                 dprintk(verbose, DST_INFO, 1, "Checksum failure!");
 939                 return -1;              /*      Checksum failure        */
 940         }
 941         state->rxbuffer[7] = '\0';
 942
 943         for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE(dst_tlist); i++, p_dst_type++) {
 944                 if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
 945                         use_type_flags = p_dst_type->type_flags;
 946                         use_dst_type = p_dst_type->dst_type;
 947
 948                         /*      Card capabilities       */
 949                         state->dst_hw_cap = p_dst_type->dst_feature;
 950                         dprintk(verbose, DST_ERROR, 1, "Recognise [%s]\n", p_dst_type->device_id);
 951
 952                         if (p_dst_type->tuner_type != TUNER_TYPE_MULTI) {
 953                                 state->tuner_type = p_dst_type->tuner_type;
 954
 955                                 for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
 956                                         if (p_dst_type->tuner_type == p_tuner_list->tuner_type) {
 957                                                 state->tuner_name = p_tuner_list->tuner_name;
 958                                                 dprintk(verbose, DST_ERROR, 1, "DST has a [%s] based tuner\n", state->tuner_name);
 959                                         }
 960                                 }
 961                         }
 962                         break;
 963                 }
 964         }
 965
 966         if (i >= sizeof (dst_tlist) / sizeof (dst_tlist [0])) {
 967                 dprintk(verbose, DST_ERROR, 1, "Unable to recognize %s or %s", &state->rxbuffer[0], &state->rxbuffer[1]);
 968                 dprintk(verbose, DST_ERROR, 1, "please email linux-dvb@linuxtv.org with this type in");
 969                 use_dst_type = DST_TYPE_IS_SAT;
 970                 use_type_flags = DST_TYPE_HAS_SYMDIV;
 971         }
 972         dst_type_print(use_dst_type);
 973         state->type_flags = use_type_flags;
 974         state->dst_type = use_dst_type;
 975         dst_type_flags_print(state->type_flags);
 976
 977         return 0;
 978 }
 979
 980 static int dst_probe(struct dst_state *state)
 981 {
 982         mutex_init(&state->dst_mutex);
 983         if (dst_addons & DST_TYPE_HAS_CA) {
 984                 if ((rdc_8820_reset(state)) < 0) {
 985                         dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
 986                         return -1;
 987                 }
 988                 msleep(4000);
 989         } else {
 990                 msleep(100);
 991         }
 992         if ((dst_comm_init(state)) < 0) {
 993                 dprintk(verbose, DST_ERROR, 1, "DST Initialization Failed.");
 994                 return -1;
 995         }
 996         msleep(100);
 997         if (dst_get_device_id(state) < 0) {
 998                 dprintk(verbose, DST_ERROR, 1, "unknown device.");
 999                 return -1;
1000         }
1001         if (dst_get_mac(state) < 0) {
1002                 dprintk(verbose, DST_INFO, 1, "MAC: Unsupported command");
1003                 return 0;
1004         }
1005         if ((state->type_flags & DST_TYPE_HAS_MULTI_FE) || (state->type_flags & DST_TYPE_HAS_FW_BUILD)) {
1006                 if (dst_get_tuner_info(state) < 0)
1007                         dprintk(verbose, DST_INFO, 1, "Tuner: Unsupported command");
1008         }
1009         if (state->type_flags & DST_TYPE_HAS_TS204) {
1010                 dst_packsize(state, 204);
1011         }
1012         if (state->type_flags & DST_TYPE_HAS_FW_BUILD) {
1013                 if (dst_fw_ver(state) < 0) {
1014                         dprintk(verbose, DST_INFO, 1, "FW: Unsupported command");
1015                         return 0;
1016                 }
1017                 if (dst_card_type(state) < 0) {
1018                         dprintk(verbose, DST_INFO, 1, "Card: Unsupported command");
1019                         return 0;
1020                 }
1021                 if (dst_get_vendor(state) < 0) {
1022                         dprintk(verbose, DST_INFO, 1, "Vendor: Unsupported command");
1023                         return 0;
1024                 }
1025         }
1026
1027         return 0;
1028 }
1029
1030 int dst_command(struct dst_state *state, u8 *data, u8 len)
1031 {
1032         u8 reply;
1033
1034         mutex_lock(&state->dst_mutex);
1035         if ((dst_comm_init(state)) < 0) {
1036                 dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
1037                 goto error;
1038         }
1039         if (write_dst(state, data, len)) {
1040                 dprintk(verbose, DST_INFO, 1, "Tring to recover.. ");
1041                 if ((dst_error_recovery(state)) < 0) {
1042                         dprintk(verbose, DST_ERROR, 1, "Recovery Failed.");
1043                         goto error;
1044                 }
1045                 goto error;
1046         }
1047         if ((dst_pio_disable(state)) < 0) {
1048                 dprintk(verbose, DST_ERROR, 1, "PIO Disable Failed.");
1049                 goto error;
1050         }
1051         if (state->type_flags & DST_TYPE_HAS_FW_1)
1052                 udelay(3000);
1053         if (read_dst(state, &reply, GET_ACK)) {
1054                 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1055                 if ((dst_error_recovery(state)) < 0) {
1056                         dprintk(verbose, DST_INFO, 1, "Recovery Failed.");
1057                         goto error;
1058                 }
1059                 goto error;
1060         }
1061         if (reply != ACK) {
1062                 dprintk(verbose, DST_INFO, 1, "write not acknowledged 0x%02x ", reply);
1063                 goto error;
1064         }
1065         if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
1066                 goto error;
1067         if (state->type_flags & DST_TYPE_HAS_FW_1)
1068                 udelay(3000);
1069         else
1070                 udelay(2000);
1071         if (!dst_wait_dst_ready(state, NO_DELAY))
1072                 goto error;
1073         if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
1074                 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1075                 if ((dst_error_recovery(state)) < 0) {
1076                         dprintk(verbose, DST_INFO, 1, "Recovery failed.");
1077                         goto error;
1078                 }
1079                 goto error;
1080         }
1081         if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
1082                 dprintk(verbose, DST_INFO, 1, "checksum failure");
1083                 goto error;
1084         }
1085         mutex_unlock(&state->dst_mutex);
1086         return 0;
1087
1088 error:
1089         mutex_unlock(&state->dst_mutex);
1090         return -EIO;
1091
1092 }
1093 EXPORT_SYMBOL(dst_command);
1094
1095 static int dst_get_signal(struct dst_state *state)
1096 {
1097         int retval;
1098         u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
1099         //dprintk("%s: Getting Signal strength and other parameters\n", __FUNCTION__);
1100         if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
1101                 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1102                 return 0;
1103         }
1104         if (0 == (state->diseq_flags & HAS_LOCK)) {
1105                 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1106                 return 0;
1107         }
1108         if (time_after_eq(jiffies, state->cur_jiff + (HZ / 5))) {
1109                 retval = dst_command(state, get_signal, 8);
1110                 if (retval < 0)
1111                         return retval;
1112                 if (state->dst_type == DST_TYPE_IS_SAT) {
1113                         state->decode_lock = ((state->rxbuffer[6] & 0x10) == 0) ? 1 : 0;
1114                         state->decode_strength = state->rxbuffer[5] << 8;
1115                         state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1116                 } else if ((state->dst_type == DST_TYPE_IS_TERR) || (state->dst_type == DST_TYPE_IS_CABLE)) {
1117                         state->decode_lock = (state->rxbuffer[1]) ? 1 : 0;
1118                         state->decode_strength = state->rxbuffer[4] << 8;
1119                         state->decode_snr = state->rxbuffer[3] << 8;
1120                 } else if (state->dst_type == DST_TYPE_IS_ATSC) {
1121                         state->decode_lock = (state->rxbuffer[6] == 0x00) ? 1 : 0;
1122                         state->decode_strength = state->rxbuffer[4] << 8;
1123                         state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1124                 }
1125                 state->cur_jiff = jiffies;
1126         }
1127         return 0;
1128 }
1129
1130 static int dst_tone_power_cmd(struct dst_state *state)
1131 {
1132         u8 paket[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
1133
1134         if (state->dst_type == DST_TYPE_IS_TERR)
1135                 return 0;
1136         paket[4] = state->tx_tuna[4];
1137         paket[2] = state->tx_tuna[2];
1138         paket[3] = state->tx_tuna[3];
1139         paket[7] = dst_check_sum (paket, 7);
1140         dst_command(state, paket, 8);
1141
1142         return 0;
1143 }
1144
1145 static int dst_get_tuna(struct dst_state *state)
1146 {
1147         int retval;
1148
1149         if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
1150                 return 0;
1151         state->diseq_flags &= ~(HAS_LOCK);
1152         if (!dst_wait_dst_ready(state, NO_DELAY))
1153                 return -EIO;
1154         if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
1155                 /* how to get variable length reply ???? */
1156                 retval = read_dst(state, state->rx_tuna, 10);
1157         else
1158                 retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
1159         if (retval < 0) {
1160                 dprintk(verbose, DST_DEBUG, 1, "read not successful");
1161                 return retval;
1162         }
1163         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1164                 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
1165                         dprintk(verbose, DST_INFO, 1, "checksum failure ? ");
1166                         return -EIO;
1167                 }
1168         } else {
1169                 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
1170                         dprintk(verbose, DST_INFO, 1, "checksum failure? ");
1171                         return -EIO;
1172                 }
1173         }
1174         if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
1175                 return 0;
1176         if (state->dst_type == DST_TYPE_IS_SAT) {
1177                 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 8) + state->rx_tuna[3];
1178         } else {
1179                 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 16) + (state->rx_tuna[3] << 8) + state->rx_tuna[4];
1180         }
1181         state->decode_freq = state->decode_freq * 1000;
1182         state->decode_lock = 1;
1183         state->diseq_flags |= HAS_LOCK;
1184
1185         return 1;
1186 }
1187
1188 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
1189
1190 static int dst_write_tuna(struct dvb_frontend *fe)
1191 {
1192         struct dst_state *state = fe->demodulator_priv;
1193         int retval;
1194         u8 reply;
1195
1196         dprintk(verbose, DST_INFO, 1, "type_flags 0x%x ", state->type_flags);
1197         state->decode_freq = 0;
1198         state->decode_lock = state->decode_strength = state->decode_snr = 0;
1199         if (state->dst_type == DST_TYPE_IS_SAT) {
1200                 if (!(state->diseq_flags & HAS_POWER))
1201                         dst_set_voltage(fe, SEC_VOLTAGE_13);
1202         }
1203         state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
1204         mutex_lock(&state->dst_mutex);
1205         if ((dst_comm_init(state)) < 0) {
1206                 dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
1207                 goto error;
1208         }
1209         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1210                 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
1211                 retval = write_dst(state, &state->tx_tuna[0], 10);
1212         } else {
1213                 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
1214                 retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
1215         }
1216         if (retval < 0) {
1217                 dst_pio_disable(state);
1218                 dprintk(verbose, DST_DEBUG, 1, "write not successful");
1219                 goto werr;
1220         }
1221         if ((dst_pio_disable(state)) < 0) {
1222                 dprintk(verbose, DST_DEBUG, 1, "DST PIO disable failed !");
1223                 goto error;
1224         }
1225         if ((read_dst(state, &reply, GET_ACK) < 0)) {
1226                 dprintk(verbose, DST_DEBUG, 1, "read verify not successful.");
1227                 goto error;
1228         }
1229         if (reply != ACK) {
1230                 dprintk(verbose, DST_DEBUG, 1, "write not acknowledged 0x%02x ", reply);
1231                 goto error;
1232         }
1233         state->diseq_flags |= ATTEMPT_TUNE;
1234         retval = dst_get_tuna(state);
1235 werr:
1236         mutex_unlock(&state->dst_mutex);
1237         return retval;
1238
1239 error:
1240         mutex_unlock(&state->dst_mutex);
1241         return -EIO;
1242 }
1243
1244 /*
1245  * line22k0    0x00, 0x09, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00
1246  * line22k1    0x00, 0x09, 0x01, 0xff, 0x01, 0x00, 0x00, 0x00
1247  * line22k2    0x00, 0x09, 0x02, 0xff, 0x01, 0x00, 0x00, 0x00
1248  * tone        0x00, 0x09, 0xff, 0x00, 0x01, 0x00, 0x00, 0x00
1249  * data        0x00, 0x09, 0xff, 0x01, 0x01, 0x00, 0x00, 0x00
1250  * power_off   0x00, 0x09, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
1251  * power_on    0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
1252  * Diseqc 1    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec
1253  * Diseqc 2    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf4, 0xe8
1254  * Diseqc 3    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf8, 0xe4
1255  * Diseqc 4    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xfc, 0xe0
1256  */
1257
1258 static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
1259 {
1260         struct dst_state *state = fe->demodulator_priv;
1261         u8 paket[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1262
1263         if (state->dst_type != DST_TYPE_IS_SAT)
1264                 return 0;
1265         if (cmd->msg_len == 0 || cmd->msg_len > 4)
1266                 return -EINVAL;
1267         memcpy(&paket[3], cmd->msg, cmd->msg_len);
1268         paket[7] = dst_check_sum(&paket[0], 7);
1269         dst_command(state, paket, 8);
1270         return 0;
1271 }
1272
1273 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
1274 {
1275         int need_cmd;
1276         struct dst_state *state = fe->demodulator_priv;
1277
1278         state->voltage = voltage;
1279         if (state->dst_type != DST_TYPE_IS_SAT)
1280                 return 0;
1281
1282         need_cmd = 0;
1283
1284         switch (voltage) {
1285         case SEC_VOLTAGE_13:
1286         case SEC_VOLTAGE_18:
1287                 if ((state->diseq_flags & HAS_POWER) == 0)
1288                         need_cmd = 1;
1289                 state->diseq_flags |= HAS_POWER;
1290                 state->tx_tuna[4] = 0x01;
1291                 break;
1292         case SEC_VOLTAGE_OFF:
1293                 need_cmd = 1;
1294                 state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
1295                 state->tx_tuna[4] = 0x00;
1296                 break;
1297         default:
1298                 return -EINVAL;
1299         }
1300
1301         if (need_cmd)
1302                 dst_tone_power_cmd(state);
1303
1304         return 0;
1305 }
1306
1307 static int dst_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
1308 {
1309         struct dst_state *state = fe->demodulator_priv;
1310
1311         state->tone = tone;
1312         if (state->dst_type != DST_TYPE_IS_SAT)
1313                 return 0;
1314
1315         switch (tone) {
1316         case SEC_TONE_OFF:
1317                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1318                     state->tx_tuna[2] = 0x00;
1319                 else
1320                     state->tx_tuna[2] = 0xff;
1321                 break;
1322
1323         case SEC_TONE_ON:
1324                 state->tx_tuna[2] = 0x02;
1325                 break;
1326         default:
1327                 return -EINVAL;
1328         }
1329         dst_tone_power_cmd(state);
1330
1331         return 0;
1332 }
1333
1334 static int dst_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t minicmd)
1335 {
1336         struct dst_state *state = fe->demodulator_priv;
1337
1338         if (state->dst_type != DST_TYPE_IS_SAT)
1339                 return 0;
1340         state->minicmd = minicmd;
1341         switch (minicmd) {
1342         case SEC_MINI_A:
1343                 state->tx_tuna[3] = 0x02;
1344                 break;
1345         case SEC_MINI_B:
1346                 state->tx_tuna[3] = 0xff;
1347                 break;
1348         }
1349         dst_tone_power_cmd(state);
1350
1351         return 0;
1352 }
1353
1354
1355 static int dst_init(struct dvb_frontend *fe)
1356 {
1357         struct dst_state *state = fe->demodulator_priv;
1358
1359         static u8 sat_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x00, 0x73, 0x21, 0x00, 0x00 };
1360         static u8 sat_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x55, 0xbd, 0x50, 0x00, 0x00 };
1361         static u8 ter_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1362         static u8 ter_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1363         static u8 cab_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1364         static u8 cab_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1365         static u8 atsc_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1366         static u8 atsc_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1367
1368         state->inversion = INVERSION_OFF;
1369         state->voltage = SEC_VOLTAGE_13;
1370         state->tone = SEC_TONE_OFF;
1371         state->diseq_flags = 0;
1372         state->k22 = 0x02;
1373         state->bandwidth = BANDWIDTH_7_MHZ;
1374         state->cur_jiff = jiffies;
1375         if (state->dst_type == DST_TYPE_IS_SAT)
1376                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? sat_tuna_188 : sat_tuna_204), sizeof (sat_tuna_204));
1377         else if (state->dst_type == DST_TYPE_IS_TERR)
1378                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? ter_tuna_188 : ter_tuna_204), sizeof (ter_tuna_204));
1379         else if (state->dst_type == DST_TYPE_IS_CABLE)
1380                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? cab_tuna_188 : cab_tuna_204), sizeof (cab_tuna_204));
1381         else if (state->dst_type == DST_TYPE_IS_ATSC)
1382                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? atsc_tuna_188 : atsc_tuna_204), sizeof (atsc_tuna_204));
1383
1384         return 0;
1385 }
1386
1387 static int dst_read_status(struct dvb_frontend *fe, fe_status_t *status)
1388 {
1389         struct dst_state *state = fe->demodulator_priv;
1390
1391         *status = 0;
1392         if (state->diseq_flags & HAS_LOCK) {
1393 //              dst_get_signal(state);  // don't require(?) to ask MCU
1394                 if (state->decode_lock)
1395                         *status |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_SYNC | FE_HAS_VITERBI;
1396         }
1397
1398         return 0;
1399 }
1400
1401 static int dst_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
1402 {
1403         struct dst_state *state = fe->demodulator_priv;
1404
1405         dst_get_signal(state);
1406         *strength = state->decode_strength;
1407
1408         return 0;
1409 }
1410
1411 static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
1412 {
1413         struct dst_state *state = fe->demodulator_priv;
1414
1415         dst_get_signal(state);
1416         *snr = state->decode_snr;
1417
1418         return 0;
1419 }
1420
1421 static int dst_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1422 {
1423         struct dst_state *state = fe->demodulator_priv;
1424
1425         if (p != NULL) {
1426                 dst_set_freq(state, p->frequency);
1427                 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1428
1429                 if (state->dst_type == DST_TYPE_IS_SAT) {
1430                         if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1431                                 dst_set_inversion(state, p->inversion);
1432                         dst_set_fec(state, p->u.qpsk.fec_inner);
1433                         dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1434                         dst_set_polarization(state);
1435                         dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
1436
1437                 } else if (state->dst_type == DST_TYPE_IS_TERR)
1438                         dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1439                 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1440                         dst_set_fec(state, p->u.qam.fec_inner);
1441                         dst_set_symbolrate(state, p->u.qam.symbol_rate);
1442                         dst_set_modulation(state, p->u.qam.modulation);
1443                 }
1444                 dst_write_tuna(fe);
1445         }
1446
1447         return 0;
1448 }
1449
1450 static int dst_tune_frontend(struct dvb_frontend* fe,
1451                             struct dvb_frontend_parameters* p,
1452                             unsigned int mode_flags,
1453                             int *delay,
1454                             fe_status_t *status)
1455 {
1456         struct dst_state *state = fe->demodulator_priv;
1457
1458         if (p != NULL) {
1459                 dst_set_freq(state, p->frequency);
1460                 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1461
1462                 if (state->dst_type == DST_TYPE_IS_SAT) {
1463                         if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1464                                 dst_set_inversion(state, p->inversion);
1465                         dst_set_fec(state, p->u.qpsk.fec_inner);
1466                         dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1467                         dst_set_polarization(state);
1468                         dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
1469
1470                 } else if (state->dst_type == DST_TYPE_IS_TERR)
1471                         dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1472                 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1473                         dst_set_fec(state, p->u.qam.fec_inner);
1474                         dst_set_symbolrate(state, p->u.qam.symbol_rate);
1475                         dst_set_modulation(state, p->u.qam.modulation);
1476                 }
1477                 dst_write_tuna(fe);
1478         }
1479
1480         if (!(mode_flags & FE_TUNE_MODE_ONESHOT))
1481                 dst_read_status(fe, status);
1482
1483         *delay = HZ/10;
1484         return 0;
1485 }
1486
1487 static int dst_get_tuning_algo(struct dvb_frontend *fe)
1488 {
1489         return dst_algo;
1490 }
1491
1492 static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1493 {
1494         struct dst_state *state = fe->demodulator_priv;
1495
1496         p->frequency = state->decode_freq;
1497         if (state->dst_type == DST_TYPE_IS_SAT) {
1498                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1499                         p->inversion = state->inversion;
1500                 p->u.qpsk.symbol_rate = state->symbol_rate;
1501                 p->u.qpsk.fec_inner = dst_get_fec(state);
1502         } else if (state->dst_type == DST_TYPE_IS_TERR) {
1503                 p->u.ofdm.bandwidth = state->bandwidth;
1504         } else if (state->dst_type == DST_TYPE_IS_CABLE) {
1505                 p->u.qam.symbol_rate = state->symbol_rate;
1506                 p->u.qam.fec_inner = dst_get_fec(state);
1507                 p->u.qam.modulation = dst_get_modulation(state);
1508         }
1509
1510         return 0;
1511 }
1512
1513 static void dst_release(struct dvb_frontend *fe)
1514 {
1515         struct dst_state *state = fe->demodulator_priv;
1516         kfree(state);
1517 }
1518
1519 static struct dvb_frontend_ops dst_dvbt_ops;
1520 static struct dvb_frontend_ops dst_dvbs_ops;
1521 static struct dvb_frontend_ops dst_dvbc_ops;
1522 static struct dvb_frontend_ops dst_atsc_ops;
1523
1524 struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
1525 {
1526         /* check if the ASIC is there */
1527         if (dst_probe(state) < 0) {
1528                 kfree(state);
1529                 return NULL;
1530         }
1531         /* determine settings based on type */
1532         /* create dvb_frontend */
1533         switch (state->dst_type) {
1534         case DST_TYPE_IS_TERR:
1535                 memcpy(&state->frontend.ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
1536                 break;
1537         case DST_TYPE_IS_CABLE:
1538                 memcpy(&state->frontend.ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
1539                 break;
1540         case DST_TYPE_IS_SAT:
1541                 memcpy(&state->frontend.ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
1542                 break;
1543         case DST_TYPE_IS_ATSC:
1544                 memcpy(&state->frontend.ops, &dst_atsc_ops, sizeof(struct dvb_frontend_ops));
1545                 break;
1546         default:
1547                 dprintk(verbose, DST_ERROR, 1, "unknown DST type. please report to the LinuxTV.org DVB mailinglist.");
1548                 kfree(state);
1549                 return NULL;
1550         }
1551         state->frontend.demodulator_priv = state;
1552
1553         return state;                           /*      Manu (DST is a card not a frontend)     */
1554 }
1555
1556 EXPORT_SYMBOL(dst_attach);
1557
1558 static struct dvb_frontend_ops dst_dvbt_ops = {
1559
1560         .info = {
1561                 .name = "DST DVB-T",
1562                 .type = FE_OFDM,
1563                 .frequency_min = 137000000,
1564                 .frequency_max = 858000000,
1565                 .frequency_stepsize = 166667,
1566                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO
1567         },
1568
1569         .release = dst_release,
1570         .init = dst_init,
1571         .tune = dst_tune_frontend,
1572         .set_frontend = dst_set_frontend,
1573         .get_frontend = dst_get_frontend,
1574         .get_frontend_algo = dst_get_tuning_algo,
1575         .read_status = dst_read_status,
1576         .read_signal_strength = dst_read_signal_strength,
1577         .read_snr = dst_read_snr,
1578 };
1579
1580 static struct dvb_frontend_ops dst_dvbs_ops = {
1581
1582         .info = {
1583                 .name = "DST DVB-S",
1584                 .type = FE_QPSK,
1585                 .frequency_min = 950000,
1586                 .frequency_max = 2150000,
1587                 .frequency_stepsize = 1000,     /* kHz for QPSK frontends */
1588                 .frequency_tolerance = 29500,
1589                 .symbol_rate_min = 1000000,
1590                 .symbol_rate_max = 45000000,
1591         /*     . symbol_rate_tolerance  =       ???,*/
1592                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QPSK
1593         },
1594
1595         .release = dst_release,
1596         .init = dst_init,
1597         .tune = dst_tune_frontend,
1598         .set_frontend = dst_set_frontend,
1599         .get_frontend = dst_get_frontend,
1600         .get_frontend_algo = dst_get_tuning_algo,
1601         .read_status = dst_read_status,
1602         .read_signal_strength = dst_read_signal_strength,
1603         .read_snr = dst_read_snr,
1604         .diseqc_send_burst = dst_send_burst,
1605         .diseqc_send_master_cmd = dst_set_diseqc,
1606         .set_voltage = dst_set_voltage,
1607         .set_tone = dst_set_tone,
1608 };
1609
1610 static struct dvb_frontend_ops dst_dvbc_ops = {
1611
1612         .info = {
1613                 .name = "DST DVB-C",
1614                 .type = FE_QAM,
1615                 .frequency_stepsize = 62500,
1616                 .frequency_min = 51000000,
1617                 .frequency_max = 858000000,
1618                 .symbol_rate_min = 1000000,
1619                 .symbol_rate_max = 45000000,
1620         /*     . symbol_rate_tolerance  =       ???,*/
1621                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO
1622         },
1623
1624         .release = dst_release,
1625         .init = dst_init,
1626         .tune = dst_tune_frontend,
1627         .set_frontend = dst_set_frontend,
1628         .get_frontend = dst_get_frontend,
1629         .get_frontend_algo = dst_get_tuning_algo,
1630         .read_status = dst_read_status,
1631         .read_signal_strength = dst_read_signal_strength,
1632         .read_snr = dst_read_snr,
1633 };
1634
1635 static struct dvb_frontend_ops dst_atsc_ops = {
1636         .info = {
1637                 .name = "DST ATSC",
1638                 .type = FE_ATSC,
1639                 .frequency_stepsize = 62500,
1640                 .frequency_min = 510000000,
1641                 .frequency_max = 858000000,
1642                 .symbol_rate_min = 1000000,
1643                 .symbol_rate_max = 45000000,
1644                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
1645         },
1646
1647         .release = dst_release,
1648         .init = dst_init,
1649         .tune = dst_tune_frontend,
1650         .set_frontend = dst_set_frontend,
1651         .get_frontend = dst_get_frontend,
1652         .get_frontend_algo = dst_get_tuning_algo,
1653         .read_status = dst_read_status,
1654         .read_signal_strength = dst_read_signal_strength,
1655         .read_snr = dst_read_snr,
1656 };
1657
1658 MODULE_DESCRIPTION("DST DVB-S/T/C/ATSC Combo Frontend driver");
1659 MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1660 MODULE_LICENSE("GPL");