drivers/media/dvb-frontends/drxd_hard.c

   1 /*
   2  * drxd_hard.c: DVB-T Demodulator Micronas DRX3975D-A2,DRX397xD-B1
   3  *
   4  * Copyright (C) 2003-2007 Micronas
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * version 2 only, as published by the Free Software Foundation.
   9  *
  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  * To obtain the license, point your browser to
  17  * http://www.gnu.org/copyleft/gpl.html
  18  */
  19
  20 #include <linux/kernel.h>
  21 #include <linux/module.h>
  22 #include <linux/moduleparam.h>
  23 #include <linux/init.h>
  24 #include <linux/delay.h>
  25 #include <linux/firmware.h>
  26 #include <linux/i2c.h>
  27 #include <asm/div64.h>
  28
  29 #include "dvb_frontend.h"
  30 #include "drxd.h"
  31 #include "drxd_firm.h"
  32
  33 #define DRX_FW_FILENAME_A2 "drxd-a2-1.1.fw"
  34 #define DRX_FW_FILENAME_B1 "drxd-b1-1.1.fw"
  35
  36 #define CHUNK_SIZE 48
  37
  38 #define DRX_I2C_RMW           0x10
  39 #define DRX_I2C_BROADCAST     0x20
  40 #define DRX_I2C_CLEARCRC      0x80
  41 #define DRX_I2C_SINGLE_MASTER 0xC0
  42 #define DRX_I2C_MODEFLAGS     0xC0
  43 #define DRX_I2C_FLAGS         0xF0
  44
  45 #define DEFAULT_LOCK_TIMEOUT    1100
  46
  47 #define DRX_CHANNEL_AUTO 0
  48 #define DRX_CHANNEL_HIGH 1
  49 #define DRX_CHANNEL_LOW  2
  50
  51 #define DRX_LOCK_MPEG  1
  52 #define DRX_LOCK_FEC   2
  53 #define DRX_LOCK_DEMOD 4
  54
  55 /****************************************************************************/
  56
  57 enum CSCDState {
  58         CSCD_INIT = 0,
  59         CSCD_SET,
  60         CSCD_SAVED
  61 };
  62
  63 enum CDrxdState {
  64         DRXD_UNINITIALIZED = 0,
  65         DRXD_STOPPED,
  66         DRXD_STARTED
  67 };
  68
  69 enum AGC_CTRL_MODE {
  70         AGC_CTRL_AUTO = 0,
  71         AGC_CTRL_USER,
  72         AGC_CTRL_OFF
  73 };
  74
  75 enum OperationMode {
  76         OM_Default,
  77         OM_DVBT_Diversity_Front,
  78         OM_DVBT_Diversity_End
  79 };
  80
  81 struct SCfgAgc {
  82         enum AGC_CTRL_MODE ctrlMode;
  83         u16 outputLevel;        /* range [0, ... , 1023], 1/n of fullscale range */
  84         u16 settleLevel;        /* range [0, ... , 1023], 1/n of fullscale range */
  85         u16 minOutputLevel;     /* range [0, ... , 1023], 1/n of fullscale range */
  86         u16 maxOutputLevel;     /* range [0, ... , 1023], 1/n of fullscale range */
  87         u16 speed;              /* range [0, ... , 1023], 1/n of fullscale range */
  88
  89         u16 R1;
  90         u16 R2;
  91         u16 R3;
  92 };
  93
  94 struct SNoiseCal {
  95         int cpOpt;
  96         short cpNexpOfs;
  97         short tdCal2k;
  98         short tdCal8k;
  99 };
 100
 101 enum app_env {
 102         APPENV_STATIC = 0,
 103         APPENV_PORTABLE = 1,
 104         APPENV_MOBILE = 2
 105 };
 106
 107 enum EIFFilter {
 108         IFFILTER_SAW = 0,
 109         IFFILTER_DISCRETE = 1
 110 };
 111
 112 struct drxd_state {
 113         struct dvb_frontend frontend;
 114         struct dvb_frontend_ops ops;
 115         struct dtv_frontend_properties props;
 116
 117         const struct firmware *fw;
 118         struct device *dev;
 119
 120         struct i2c_adapter *i2c;
 121         void *priv;
 122         struct drxd_config config;
 123
 124         int i2c_access;
 125         int init_done;
 126         struct mutex mutex;
 127
 128         u8 chip_adr;
 129         u16 hi_cfg_timing_div;
 130         u16 hi_cfg_bridge_delay;
 131         u16 hi_cfg_wakeup_key;
 132         u16 hi_cfg_ctrl;
 133
 134         u16 intermediate_freq;
 135         u16 osc_clock_freq;
 136
 137         enum CSCDState cscd_state;
 138         enum CDrxdState drxd_state;
 139
 140         u16 sys_clock_freq;
 141         s16 osc_clock_deviation;
 142         u16 expected_sys_clock_freq;
 143
 144         u16 insert_rs_byte;
 145         u16 enable_parallel;
 146
 147         int operation_mode;
 148
 149         struct SCfgAgc if_agc_cfg;
 150         struct SCfgAgc rf_agc_cfg;
 151
 152         struct SNoiseCal noise_cal;
 153
 154         u32 fe_fs_add_incr;
 155         u32 org_fe_fs_add_incr;
 156         u16 current_fe_if_incr;
 157
 158         u16 m_FeAgRegAgPwd;
 159         u16 m_FeAgRegAgAgcSio;
 160
 161         u16 m_EcOcRegOcModeLop;
 162         u16 m_EcOcRegSncSncLvl;
 163         u8 *m_InitAtomicRead;
 164         u8 *m_HiI2cPatch;
 165
 166         u8 *m_ResetCEFR;
 167         u8 *m_InitFE_1;
 168         u8 *m_InitFE_2;
 169         u8 *m_InitCP;
 170         u8 *m_InitCE;
 171         u8 *m_InitEQ;
 172         u8 *m_InitSC;
 173         u8 *m_InitEC;
 174         u8 *m_ResetECRAM;
 175         u8 *m_InitDiversityFront;
 176         u8 *m_InitDiversityEnd;
 177         u8 *m_DisableDiversity;
 178         u8 *m_StartDiversityFront;
 179         u8 *m_StartDiversityEnd;
 180
 181         u8 *m_DiversityDelay8MHZ;
 182         u8 *m_DiversityDelay6MHZ;
 183
 184         u8 *microcode;
 185         u32 microcode_length;
 186
 187         int type_A;
 188         int PGA;
 189         int diversity;
 190         int tuner_mirrors;
 191
 192         enum app_env app_env_default;
 193         enum app_env app_env_diversity;
 194
 195 };
 196
 197 /****************************************************************************/
 198 /* I2C **********************************************************************/
 199 /****************************************************************************/
 200
 201 static int i2c_write(struct i2c_adapter *adap, u8 adr, u8 * data, int len)
 202 {
 203         struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = data, .len = len };
 204
 205         if (i2c_transfer(adap, &msg, 1) != 1)
 206                 return -1;
 207         return 0;
 208 }
 209
 210 static int i2c_read(struct i2c_adapter *adap,
 211                     u8 adr, u8 *msg, int len, u8 *answ, int alen)
 212 {
 213         struct i2c_msg msgs[2] = {
 214                 {
 215                         .addr = adr, .flags = 0,
 216                         .buf = msg, .len = len
 217                 }, {
 218                         .addr = adr, .flags = I2C_M_RD,
 219                         .buf = answ, .len = alen
 220                 }
 221         };
 222         if (i2c_transfer(adap, msgs, 2) != 2)
 223                 return -1;
 224         return 0;
 225 }
 226
 227 static inline u32 MulDiv32(u32 a, u32 b, u32 c)
 228 {
 229         u64 tmp64;
 230
 231         tmp64 = (u64)a * (u64)b;
 232         do_div(tmp64, c);
 233
 234         return (u32) tmp64;
 235 }
 236
 237 static int Read16(struct drxd_state *state, u32 reg, u16 *data, u8 flags)
 238 {
 239         u8 adr = state->config.demod_address;
 240         u8 mm1[4] = { reg & 0xff, (reg >> 16) & 0xff,
 241                 flags | ((reg >> 24) & 0xff), (reg >> 8) & 0xff
 242         };
 243         u8 mm2[2];
 244         if (i2c_read(state->i2c, adr, mm1, 4, mm2, 2) < 0)
 245                 return -1;
 246         if (data)
 247                 *data = mm2[0] | (mm2[1] << 8);
 248         return mm2[0] | (mm2[1] << 8);
 249 }
 250
 251 static int Read32(struct drxd_state *state, u32 reg, u32 *data, u8 flags)
 252 {
 253         u8 adr = state->config.demod_address;
 254         u8 mm1[4] = { reg & 0xff, (reg >> 16) & 0xff,
 255                 flags | ((reg >> 24) & 0xff), (reg >> 8) & 0xff
 256         };
 257         u8 mm2[4];
 258
 259         if (i2c_read(state->i2c, adr, mm1, 4, mm2, 4) < 0)
 260                 return -1;
 261         if (data)
 262                 *data =
 263                     mm2[0] | (mm2[1] << 8) | (mm2[2] << 16) | (mm2[3] << 24);
 264         return 0;
 265 }
 266
 267 static int Write16(struct drxd_state *state, u32 reg, u16 data, u8 flags)
 268 {
 269         u8 adr = state->config.demod_address;
 270         u8 mm[6] = { reg & 0xff, (reg >> 16) & 0xff,
 271                 flags | ((reg >> 24) & 0xff), (reg >> 8) & 0xff,
 272                 data & 0xff, (data >> 8) & 0xff
 273         };
 274
 275         if (i2c_write(state->i2c, adr, mm, 6) < 0)
 276                 return -1;
 277         return 0;
 278 }
 279
 280 static int Write32(struct drxd_state *state, u32 reg, u32 data, u8 flags)
 281 {
 282         u8 adr = state->config.demod_address;
 283         u8 mm[8] = { reg & 0xff, (reg >> 16) & 0xff,
 284                 flags | ((reg >> 24) & 0xff), (reg >> 8) & 0xff,
 285                 data & 0xff, (data >> 8) & 0xff,
 286                 (data >> 16) & 0xff, (data >> 24) & 0xff
 287         };
 288
 289         if (i2c_write(state->i2c, adr, mm, 8) < 0)
 290                 return -1;
 291         return 0;
 292 }
 293
 294 static int write_chunk(struct drxd_state *state,
 295                        u32 reg, u8 *data, u32 len, u8 flags)
 296 {
 297         u8 adr = state->config.demod_address;
 298         u8 mm[CHUNK_SIZE + 4] = { reg & 0xff, (reg >> 16) & 0xff,
 299                 flags | ((reg >> 24) & 0xff), (reg >> 8) & 0xff
 300         };
 301         int i;
 302
 303         for (i = 0; i < len; i++)
 304                 mm[4 + i] = data[i];
 305         if (i2c_write(state->i2c, adr, mm, 4 + len) < 0) {
 306                 printk(KERN_ERR "error in write_chunk\n");
 307                 return -1;
 308         }
 309         return 0;
 310 }
 311
 312 static int WriteBlock(struct drxd_state *state,
 313                       u32 Address, u16 BlockSize, u8 *pBlock, u8 Flags)
 314 {
 315         while (BlockSize > 0) {
 316                 u16 Chunk = BlockSize > CHUNK_SIZE ? CHUNK_SIZE : BlockSize;
 317
 318                 if (write_chunk(state, Address, pBlock, Chunk, Flags) < 0)
 319                         return -1;
 320                 pBlock += Chunk;
 321                 Address += (Chunk >> 1);
 322                 BlockSize -= Chunk;
 323         }
 324         return 0;
 325 }
 326
 327 static int WriteTable(struct drxd_state *state, u8 * pTable)
 328 {
 329         int status = 0;
 330
 331         if (pTable == NULL)
 332                 return 0;
 333
 334         while (!status) {
 335                 u16 Length;
 336                 u32 Address = pTable[0] | (pTable[1] << 8) |
 337                     (pTable[2] << 16) | (pTable[3] << 24);
 338
 339                 if (Address == 0xFFFFFFFF)
 340                         break;
 341                 pTable += sizeof(u32);
 342
 343                 Length = pTable[0] | (pTable[1] << 8);
 344                 pTable += sizeof(u16);
 345                 if (!Length)
 346                         break;
 347                 status = WriteBlock(state, Address, Length * 2, pTable, 0);
 348                 pTable += (Length * 2);
 349         }
 350         return status;
 351 }
 352
 353 /****************************************************************************/
 354 /****************************************************************************/
 355 /****************************************************************************/
 356
 357 static int ResetCEFR(struct drxd_state *state)
 358 {
 359         return WriteTable(state, state->m_ResetCEFR);
 360 }
 361
 362 static int InitCP(struct drxd_state *state)
 363 {
 364         return WriteTable(state, state->m_InitCP);
 365 }
 366
 367 static int InitCE(struct drxd_state *state)
 368 {
 369         int status;
 370         enum app_env AppEnv = state->app_env_default;
 371
 372         do {
 373                 status = WriteTable(state, state->m_InitCE);
 374                 if (status < 0)
 375                         break;
 376
 377                 if (state->operation_mode == OM_DVBT_Diversity_Front ||
 378                     state->operation_mode == OM_DVBT_Diversity_End) {
 379                         AppEnv = state->app_env_diversity;
 380                 }
 381                 if (AppEnv == APPENV_STATIC) {
 382                         status = Write16(state, CE_REG_TAPSET__A, 0x0000, 0);
 383                         if (status < 0)
 384                                 break;
 385                 } else if (AppEnv == APPENV_PORTABLE) {
 386                         status = Write16(state, CE_REG_TAPSET__A, 0x0001, 0);
 387                         if (status < 0)
 388                                 break;
 389                 } else if (AppEnv == APPENV_MOBILE && state->type_A) {
 390                         status = Write16(state, CE_REG_TAPSET__A, 0x0002, 0);
 391                         if (status < 0)
 392                                 break;
 393                 } else if (AppEnv == APPENV_MOBILE && !state->type_A) {
 394                         status = Write16(state, CE_REG_TAPSET__A, 0x0006, 0);
 395                         if (status < 0)
 396                                 break;
 397                 }
 398
 399                 /* start ce */
 400                 status = Write16(state, B_CE_REG_COMM_EXEC__A, 0x0001, 0);
 401                 if (status < 0)
 402                         break;
 403         } while (0);
 404         return status;
 405 }
 406
 407 static int StopOC(struct drxd_state *state)
 408 {
 409         int status = 0;
 410         u16 ocSyncLvl = 0;
 411         u16 ocModeLop = state->m_EcOcRegOcModeLop;
 412         u16 dtoIncLop = 0;
 413         u16 dtoIncHip = 0;
 414
 415         do {
 416                 /* Store output configuration */
 417                 status = Read16(state, EC_OC_REG_SNC_ISC_LVL__A, &ocSyncLvl, 0);
 418                 if (status < 0)
 419                         break;
 420                 /* CHK_ERROR(Read16(EC_OC_REG_OC_MODE_LOP__A, &ocModeLop)); */
 421                 state->m_EcOcRegSncSncLvl = ocSyncLvl;
 422                 /* m_EcOcRegOcModeLop = ocModeLop; */
 423
 424                 /* Flush FIFO (byte-boundary) at fixed rate */
 425                 status = Read16(state, EC_OC_REG_RCN_MAP_LOP__A, &dtoIncLop, 0);
 426                 if (status < 0)
 427                         break;
 428                 status = Read16(state, EC_OC_REG_RCN_MAP_HIP__A, &dtoIncHip, 0);
 429                 if (status < 0)
 430                         break;
 431                 status = Write16(state, EC_OC_REG_DTO_INC_LOP__A, dtoIncLop, 0);
 432                 if (status < 0)
 433                         break;
 434                 status = Write16(state, EC_OC_REG_DTO_INC_HIP__A, dtoIncHip, 0);
 435                 if (status < 0)
 436                         break;
 437                 ocModeLop &= ~(EC_OC_REG_OC_MODE_LOP_DTO_CTR_SRC__M);
 438                 ocModeLop |= EC_OC_REG_OC_MODE_LOP_DTO_CTR_SRC_STATIC;
 439                 status = Write16(state, EC_OC_REG_OC_MODE_LOP__A, ocModeLop, 0);
 440                 if (status < 0)
 441                         break;
 442                 status = Write16(state, EC_OC_REG_COMM_EXEC__A, EC_OC_REG_COMM_EXEC_CTL_HOLD, 0);
 443                 if (status < 0)
 444                         break;
 445
 446                 msleep(1);
 447                 /* Output pins to '0' */
 448                 status = Write16(state, EC_OC_REG_OCR_MPG_UOS__A, EC_OC_REG_OCR_MPG_UOS__M, 0);
 449                 if (status < 0)
 450                         break;
 451
 452                 /* Force the OC out of sync */
 453                 ocSyncLvl &= ~(EC_OC_REG_SNC_ISC_LVL_OSC__M);
 454                 status = Write16(state, EC_OC_REG_SNC_ISC_LVL__A, ocSyncLvl, 0);
 455                 if (status < 0)
 456                         break;
 457                 ocModeLop &= ~(EC_OC_REG_OC_MODE_LOP_PAR_ENA__M);
 458                 ocModeLop |= EC_OC_REG_OC_MODE_LOP_PAR_ENA_ENABLE;
 459                 ocModeLop |= 0x2;       /* Magically-out-of-sync */
 460                 status = Write16(state, EC_OC_REG_OC_MODE_LOP__A, ocModeLop, 0);
 461                 if (status < 0)
 462                         break;
 463                 status = Write16(state, EC_OC_REG_COMM_INT_STA__A, 0x0, 0);
 464                 if (status < 0)
 465                         break;
 466                 status = Write16(state, EC_OC_REG_COMM_EXEC__A, EC_OC_REG_COMM_EXEC_CTL_ACTIVE, 0);
 467                 if (status < 0)
 468                         break;
 469         } while (0);
 470
 471         return status;
 472 }
 473
 474 static int StartOC(struct drxd_state *state)
 475 {
 476         int status = 0;
 477
 478         do {
 479                 /* Stop OC */
 480                 status = Write16(state, EC_OC_REG_COMM_EXEC__A, EC_OC_REG_COMM_EXEC_CTL_HOLD, 0);
 481                 if (status < 0)
 482                         break;
 483
 484                 /* Restore output configuration */
 485                 status = Write16(state, EC_OC_REG_SNC_ISC_LVL__A, state->m_EcOcRegSncSncLvl, 0);
 486                 if (status < 0)
 487                         break;
 488                 status = Write16(state, EC_OC_REG_OC_MODE_LOP__A, state->m_EcOcRegOcModeLop, 0);
 489                 if (status < 0)
 490                         break;
 491
 492                 /* Output pins active again */
 493                 status = Write16(state, EC_OC_REG_OCR_MPG_UOS__A, EC_OC_REG_OCR_MPG_UOS_INIT, 0);
 494                 if (status < 0)
 495                         break;
 496
 497                 /* Start OC */
 498                 status = Write16(state, EC_OC_REG_COMM_EXEC__A, EC_OC_REG_COMM_EXEC_CTL_ACTIVE, 0);
 499                 if (status < 0)
 500                         break;
 501         } while (0);
 502         return status;
 503 }
 504
 505 static int InitEQ(struct drxd_state *state)
 506 {
 507         return WriteTable(state, state->m_InitEQ);
 508 }
 509
 510 static int InitEC(struct drxd_state *state)
 511 {
 512         return WriteTable(state, state->m_InitEC);
 513 }
 514
 515 static int InitSC(struct drxd_state *state)
 516 {
 517         return WriteTable(state, state->m_InitSC);
 518 }
 519
 520 static int InitAtomicRead(struct drxd_state *state)
 521 {
 522         return WriteTable(state, state->m_InitAtomicRead);
 523 }
 524
 525 static int CorrectSysClockDeviation(struct drxd_state *state);
 526
 527 static int DRX_GetLockStatus(struct drxd_state *state, u32 * pLockStatus)
 528 {
 529         u16 ScRaRamLock = 0;
 530         const u16 mpeg_lock_mask = (SC_RA_RAM_LOCK_MPEG__M |
 531                                     SC_RA_RAM_LOCK_FEC__M |
 532                                     SC_RA_RAM_LOCK_DEMOD__M);
 533         const u16 fec_lock_mask = (SC_RA_RAM_LOCK_FEC__M |
 534                                    SC_RA_RAM_LOCK_DEMOD__M);
 535         const u16 demod_lock_mask = SC_RA_RAM_LOCK_DEMOD__M;
 536
 537         int status;
 538
 539         *pLockStatus = 0;
 540
 541         status = Read16(state, SC_RA_RAM_LOCK__A, &ScRaRamLock, 0x0000);
 542         if (status < 0) {
 543                 printk(KERN_ERR "Can't read SC_RA_RAM_LOCK__A status = %08x\n", status);
 544                 return status;
 545         }
 546
 547         if (state->drxd_state != DRXD_STARTED)
 548                 return 0;
 549
 550         if ((ScRaRamLock & mpeg_lock_mask) == mpeg_lock_mask) {
 551                 *pLockStatus |= DRX_LOCK_MPEG;
 552                 CorrectSysClockDeviation(state);
 553         }
 554
 555         if ((ScRaRamLock & fec_lock_mask) == fec_lock_mask)
 556                 *pLockStatus |= DRX_LOCK_FEC;
 557
 558         if ((ScRaRamLock & demod_lock_mask) == demod_lock_mask)
 559                 *pLockStatus |= DRX_LOCK_DEMOD;
 560         return 0;
 561 }
 562
 563 /****************************************************************************/
 564
 565 static int SetCfgIfAgc(struct drxd_state *state, struct SCfgAgc *cfg)
 566 {
 567         int status;
 568
 569         if (cfg->outputLevel > DRXD_FE_CTRL_MAX)
 570                 return -1;
 571
 572         if (cfg->ctrlMode == AGC_CTRL_USER) {
 573                 do {
 574                         u16 FeAgRegPm1AgcWri;
 575                         u16 FeAgRegAgModeLop;
 576
 577                         status = Read16(state, FE_AG_REG_AG_MODE_LOP__A, &FeAgRegAgModeLop, 0);
 578                         if (status < 0)
 579                                 break;
 580                         FeAgRegAgModeLop &= (~FE_AG_REG_AG_MODE_LOP_MODE_4__M);
 581                         FeAgRegAgModeLop |= FE_AG_REG_AG_MODE_LOP_MODE_4_STATIC;
 582                         status = Write16(state, FE_AG_REG_AG_MODE_LOP__A, FeAgRegAgModeLop, 0);
 583                         if (status < 0)
 584                                 break;
 585
 586                         FeAgRegPm1AgcWri = (u16) (cfg->outputLevel &
 587                                                   FE_AG_REG_PM1_AGC_WRI__M);
 588                         status = Write16(state, FE_AG_REG_PM1_AGC_WRI__A, FeAgRegPm1AgcWri, 0);
 589                         if (status < 0)
 590                                 break;
 591                 } while (0);
 592         } else if (cfg->ctrlMode == AGC_CTRL_AUTO) {
 593                 if (((cfg->maxOutputLevel) < (cfg->minOutputLevel)) ||
 594                     ((cfg->maxOutputLevel) > DRXD_FE_CTRL_MAX) ||
 595                     ((cfg->speed) > DRXD_FE_CTRL_MAX) ||
 596                     ((cfg->settleLevel) > DRXD_FE_CTRL_MAX)
 597                     )
 598                         return -1;
 599                 do {
 600                         u16 FeAgRegAgModeLop;
 601                         u16 FeAgRegEgcSetLvl;
 602                         u16 slope, offset;
 603
 604                         /* == Mode == */
 605
 606                         status = Read16(state, FE_AG_REG_AG_MODE_LOP__A, &FeAgRegAgModeLop, 0);
 607                         if (status < 0)
 608                                 break;
 609                         FeAgRegAgModeLop &= (~FE_AG_REG_AG_MODE_LOP_MODE_4__M);
 610                         FeAgRegAgModeLop |=
 611                             FE_AG_REG_AG_MODE_LOP_MODE_4_DYNAMIC;
 612                         status = Write16(state, FE_AG_REG_AG_MODE_LOP__A, FeAgRegAgModeLop, 0);
 613                         if (status < 0)
 614                                 break;
 615
 616                         /* == Settle level == */
 617
 618                         FeAgRegEgcSetLvl = (u16) ((cfg->settleLevel >> 1) &
 619                                                   FE_AG_REG_EGC_SET_LVL__M);
 620                         status = Write16(state, FE_AG_REG_EGC_SET_LVL__A, FeAgRegEgcSetLvl, 0);
 621                         if (status < 0)
 622                                 break;
 623
 624                         /* == Min/Max == */
 625
 626                         slope = (u16) ((cfg->maxOutputLevel -
 627                                         cfg->minOutputLevel) / 2);
 628                         offset = (u16) ((cfg->maxOutputLevel +
 629                                          cfg->minOutputLevel) / 2 - 511);
 630
 631                         status = Write16(state, FE_AG_REG_GC1_AGC_RIC__A, slope, 0);
 632                         if (status < 0)
 633                                 break;
 634                         status = Write16(state, FE_AG_REG_GC1_AGC_OFF__A, offset, 0);
 635                         if (status < 0)
 636                                 break;
 637
 638                         /* == Speed == */
 639                         {
 640                                 const u16 maxRur = 8;
 641                                 const u16 slowIncrDecLUT[] = { 3, 4, 4, 5, 6 };
 642                                 const u16 fastIncrDecLUT[] = { 14, 15, 15, 16,
 643                                         17, 18, 18, 19,
 644                                         20, 21, 22, 23,
 645                                         24, 26, 27, 28,
 646                                         29, 31
 647                                 };
 648
 649                                 u16 fineSteps = (DRXD_FE_CTRL_MAX + 1) /
 650                                     (maxRur + 1);
 651                                 u16 fineSpeed = (u16) (cfg->speed -
 652                                                        ((cfg->speed /
 653                                                          fineSteps) *
 654                                                         fineSteps));
 655                                 u16 invRurCount = (u16) (cfg->speed /
 656                                                          fineSteps);
 657                                 u16 rurCount;
 658                                 if (invRurCount > maxRur) {
 659                                         rurCount = 0;
 660                                         fineSpeed += fineSteps;
 661                                 } else {
 662                                         rurCount = maxRur - invRurCount;
 663                                 }
 664
 665                                 /*
 666                                    fastInc = default *
 667                                    (2^(fineSpeed/fineSteps))
 668                                    => range[default...2*default>
 669                                    slowInc = default *
 670                                    (2^(fineSpeed/fineSteps))
 671                                  */
 672                                 {
 673                                         u16 fastIncrDec =
 674                                             fastIncrDecLUT[fineSpeed /
 675                                                            ((fineSteps /
 676                                                              (14 + 1)) + 1)];
 677                                         u16 slowIncrDec =
 678                                             slowIncrDecLUT[fineSpeed /
 679                                                            (fineSteps /
 680                                                             (3 + 1))];
 681
 682                                         status = Write16(state, FE_AG_REG_EGC_RUR_CNT__A, rurCount, 0);
 683                                         if (status < 0)
 684                                                 break;
 685                                         status = Write16(state, FE_AG_REG_EGC_FAS_INC__A, fastIncrDec, 0);
 686                                         if (status < 0)
 687                                                 break;
 688                                         status = Write16(state, FE_AG_REG_EGC_FAS_DEC__A, fastIncrDec, 0);
 689                                         if (status < 0)
 690                                                 break;
 691                                         status = Write16(state, FE_AG_REG_EGC_SLO_INC__A, slowIncrDec, 0);
 692                                         if (status < 0)
 693                                                 break;
 694                                         status = Write16(state, FE_AG_REG_EGC_SLO_DEC__A, slowIncrDec, 0);
 695                                         if (status < 0)
 696                                                 break;
 697                                 }
 698                         }
 699                 } while (0);
 700
 701         } else {
 702                 /* No OFF mode for IF control */
 703                 return -1;
 704         }
 705         return status;
 706 }
 707
 708 static int SetCfgRfAgc(struct drxd_state *state, struct SCfgAgc *cfg)
 709 {
 710         int status = 0;
 711
 712         if (cfg->outputLevel > DRXD_FE_CTRL_MAX)
 713                 return -1;
 714
 715         if (cfg->ctrlMode == AGC_CTRL_USER) {
 716                 do {
 717                         u16 AgModeLop = 0;
 718                         u16 level = (cfg->outputLevel);
 719
 720                         if (level == DRXD_FE_CTRL_MAX)
 721                                 level++;
 722
 723                         status = Write16(state, FE_AG_REG_PM2_AGC_WRI__A, level, 0x0000);
 724                         if (status < 0)
 725                                 break;
 726
 727                         /*==== Mode ====*/
 728
 729                         /* Powerdown PD2, WRI source */
 730                         state->m_FeAgRegAgPwd &= ~(FE_AG_REG_AG_PWD_PWD_PD2__M);
 731                         state->m_FeAgRegAgPwd |=
 732                             FE_AG_REG_AG_PWD_PWD_PD2_DISABLE;
 733                         status = Write16(state, FE_AG_REG_AG_PWD__A, state->m_FeAgRegAgPwd, 0x0000);
 734                         if (status < 0)
 735                                 break;
 736
 737                         status = Read16(state, FE_AG_REG_AG_MODE_LOP__A, &AgModeLop, 0x0000);
 738                         if (status < 0)
 739                                 break;
 740                         AgModeLop &= (~(FE_AG_REG_AG_MODE_LOP_MODE_5__M |
 741                                         FE_AG_REG_AG_MODE_LOP_MODE_E__M));
 742                         AgModeLop |= (FE_AG_REG_AG_MODE_LOP_MODE_5_STATIC |
 743                                       FE_AG_REG_AG_MODE_LOP_MODE_E_STATIC);
 744                         status = Write16(state, FE_AG_REG_AG_MODE_LOP__A, AgModeLop, 0x0000);
 745                         if (status < 0)
 746                                 break;
 747
 748                         /* enable AGC2 pin */
 749                         {
 750                                 u16 FeAgRegAgAgcSio = 0;
 751                                 status = Read16(state, FE_AG_REG_AG_AGC_SIO__A, &FeAgRegAgAgcSio, 0x0000);
 752                                 if (status < 0)
 753                                         break;
 754                                 FeAgRegAgAgcSio &=
 755                                     ~(FE_AG_REG_AG_AGC_SIO_AGC_SIO_2__M);
 756                                 FeAgRegAgAgcSio |=
 757                                     FE_AG_REG_AG_AGC_SIO_AGC_SIO_2_OUTPUT;
 758                                 status = Write16(state, FE_AG_REG_AG_AGC_SIO__A, FeAgRegAgAgcSio, 0x0000);
 759                                 if (status < 0)
 760                                         break;
 761                         }
 762
 763                 } while (0);
 764         } else if (cfg->ctrlMode == AGC_CTRL_AUTO) {
 765                 u16 AgModeLop = 0;
 766
 767                 do {
 768                         u16 level;
 769                         /* Automatic control */
 770                         /* Powerup PD2, AGC2 as output, TGC source */
 771                         (state->m_FeAgRegAgPwd) &=
 772                             ~(FE_AG_REG_AG_PWD_PWD_PD2__M);
 773                         (state->m_FeAgRegAgPwd) |=
 774                             FE_AG_REG_AG_PWD_PWD_PD2_DISABLE;
 775                         status = Write16(state, FE_AG_REG_AG_PWD__A, (state->m_FeAgRegAgPwd), 0x0000);
 776                         if (status < 0)
 777                                 break;
 778
 779                         status = Read16(state, FE_AG_REG_AG_MODE_LOP__A, &AgModeLop, 0x0000);
 780                         if (status < 0)
 781                                 break;
 782                         AgModeLop &= (~(FE_AG_REG_AG_MODE_LOP_MODE_5__M |
 783                                         FE_AG_REG_AG_MODE_LOP_MODE_E__M));
 784                         AgModeLop |= (FE_AG_REG_AG_MODE_LOP_MODE_5_STATIC |
 785                                       FE_AG_REG_AG_MODE_LOP_MODE_E_DYNAMIC);
 786                         status = Write16(state, FE_AG_REG_AG_MODE_LOP__A, AgModeLop, 0x0000);
 787                         if (status < 0)
 788                                 break;
 789                         /* Settle level */
 790                         level = (((cfg->settleLevel) >> 4) &
 791                                  FE_AG_REG_TGC_SET_LVL__M);
 792                         status = Write16(state, FE_AG_REG_TGC_SET_LVL__A, level, 0x0000);
 793                         if (status < 0)
 794                                 break;
 795
 796                         /* Min/max: don't care */
 797
 798                         /* Speed: TODO */
 799
 800                         /* enable AGC2 pin */
 801                         {
 802                                 u16 FeAgRegAgAgcSio = 0;
 803                                 status = Read16(state, FE_AG_REG_AG_AGC_SIO__A, &FeAgRegAgAgcSio, 0x0000);
 804                                 if (status < 0)
 805                                         break;
 806                                 FeAgRegAgAgcSio &=
 807                                     ~(FE_AG_REG_AG_AGC_SIO_AGC_SIO_2__M);
 808                                 FeAgRegAgAgcSio |=
 809                                     FE_AG_REG_AG_AGC_SIO_AGC_SIO_2_OUTPUT;
 810                                 status = Write16(state, FE_AG_REG_AG_AGC_SIO__A, FeAgRegAgAgcSio, 0x0000);
 811                                 if (status < 0)
 812                                         break;
 813                         }
 814
 815                 } while (0);
 816         } else {
 817                 u16 AgModeLop = 0;
 818
 819                 do {
 820                         /* No RF AGC control */
 821                         /* Powerdown PD2, AGC2 as output, WRI source */
 822                         (state->m_FeAgRegAgPwd) &=
 823                             ~(FE_AG_REG_AG_PWD_PWD_PD2__M);
 824                         (state->m_FeAgRegAgPwd) |=
 825                             FE_AG_REG_AG_PWD_PWD_PD2_ENABLE;
 826                         status = Write16(state, FE_AG_REG_AG_PWD__A, (state->m_FeAgRegAgPwd), 0x0000);
 827                         if (status < 0)
 828                                 break;
 829
 830                         status = Read16(state, FE_AG_REG_AG_MODE_LOP__A, &AgModeLop, 0x0000);
 831                         if (status < 0)
 832                                 break;
 833                         AgModeLop &= (~(FE_AG_REG_AG_MODE_LOP_MODE_5__M |
 834                                         FE_AG_REG_AG_MODE_LOP_MODE_E__M));
 835                         AgModeLop |= (FE_AG_REG_AG_MODE_LOP_MODE_5_STATIC |
 836                                       FE_AG_REG_AG_MODE_LOP_MODE_E_STATIC);
 837                         status = Write16(state, FE_AG_REG_AG_MODE_LOP__A, AgModeLop, 0x0000);
 838                         if (status < 0)
 839                                 break;
 840
 841                         /* set FeAgRegAgAgcSio AGC2 (RF) as input */
 842                         {
 843                                 u16 FeAgRegAgAgcSio = 0;
 844                                 status = Read16(state, FE_AG_REG_AG_AGC_SIO__A, &FeAgRegAgAgcSio, 0x0000);
 845                                 if (status < 0)
 846                                         break;
 847                                 FeAgRegAgAgcSio &=
 848                                     ~(FE_AG_REG_AG_AGC_SIO_AGC_SIO_2__M);
 849                                 FeAgRegAgAgcSio |=
 850                                     FE_AG_REG_AG_AGC_SIO_AGC_SIO_2_INPUT;
 851                                 status = Write16(state, FE_AG_REG_AG_AGC_SIO__A, FeAgRegAgAgcSio, 0x0000);
 852                                 if (status < 0)
 853                                         break;
 854                         }
 855                 } while (0);
 856         }
 857         return status;
 858 }
 859
 860 static int ReadIFAgc(struct drxd_state *state, u32 * pValue)
 861 {
 862         int status = 0;
 863
 864         *pValue = 0;
 865         if (state->if_agc_cfg.ctrlMode != AGC_CTRL_OFF) {
 866                 u16 Value;
 867                 status = Read16(state, FE_AG_REG_GC1_AGC_DAT__A, &Value, 0);
 868                 Value &= FE_AG_REG_GC1_AGC_DAT__M;
 869                 if (status >= 0) {
 870                         /*           3.3V
 871                            |
 872                            R1
 873                            |
 874                            Vin - R3 - * -- Vout
 875                            |
 876                            R2
 877                            |
 878                            GND
 879                          */
 880                         u32 R1 = state->if_agc_cfg.R1;
 881                         u32 R2 = state->if_agc_cfg.R2;
 882                         u32 R3 = state->if_agc_cfg.R3;
 883
 884                         u32 Vmax, Rpar, Vmin, Vout;
 885
 886                         if (R2 == 0 && (R1 == 0 || R3 == 0))
 887                                 return 0;
 888
 889                         Vmax = (3300 * R2) / (R1 + R2);
 890                         Rpar = (R2 * R3) / (R3 + R2);
 891                         Vmin = (3300 * Rpar) / (R1 + Rpar);
 892                         Vout = Vmin + ((Vmax - Vmin) * Value) / 1024;
 893
 894                         *pValue = Vout;
 895                 }
 896         }
 897         return status;
 898 }
 899
 900 static int load_firmware(struct drxd_state *state, const char *fw_name)
 901 {
 902         const struct firmware *fw;
 903
 904         if (request_firmware(&fw, fw_name, state->dev) < 0) {
 905                 printk(KERN_ERR "drxd: firmware load failure [%s]\n", fw_name);
 906                 return -EIO;
 907         }
 908
 909         state->microcode = kmemdup(fw->data, fw->size, GFP_KERNEL);
 910         if (state->microcode == NULL) {
 911                 release_firmware(fw);
 912                 printk(KERN_ERR "drxd: firmware load failure: no memory\n");
 913                 return -ENOMEM;
 914         }
 915
 916         state->microcode_length = fw->size;
 917         release_firmware(fw);
 918         return 0;
 919 }
 920
 921 static int DownloadMicrocode(struct drxd_state *state,
 922                              const u8 *pMCImage, u32 Length)
 923 {
 924         u8 *pSrc;
 925         u32 Address;
 926         u16 nBlocks;
 927         u16 BlockSize;
 928         u32 offset = 0;
 929         int i, status = 0;
 930
 931         pSrc = (u8 *) pMCImage;
 932         /* We're not using Flags */
 933         /* Flags = (pSrc[0] << 8) | pSrc[1]; */
 934         pSrc += sizeof(u16);
 935         offset += sizeof(u16);
 936         nBlocks = (pSrc[0] << 8) | pSrc[1];
 937         pSrc += sizeof(u16);
 938         offset += sizeof(u16);
 939
 940         for (i = 0; i < nBlocks; i++) {
 941                 Address = (pSrc[0] << 24) | (pSrc[1] << 16) |
 942                     (pSrc[2] << 8) | pSrc[3];
 943                 pSrc += sizeof(u32);
 944                 offset += sizeof(u32);
 945
 946                 BlockSize = ((pSrc[0] << 8) | pSrc[1]) * sizeof(u16);
 947                 pSrc += sizeof(u16);
 948                 offset += sizeof(u16);
 949
 950                 /* We're not using Flags */
 951                 /* u16 Flags = (pSrc[0] << 8) | pSrc[1]; */
 952                 pSrc += sizeof(u16);
 953                 offset += sizeof(u16);
 954
 955                 /* We're not using BlockCRC */
 956                 /* u16 BlockCRC = (pSrc[0] << 8) | pSrc[1]; */
 957                 pSrc += sizeof(u16);
 958                 offset += sizeof(u16);
 959
 960                 status = WriteBlock(state, Address, BlockSize,
 961                                     pSrc, DRX_I2C_CLEARCRC);
 962                 if (status < 0)
 963                         break;
 964                 pSrc += BlockSize;
 965                 offset += BlockSize;
 966         }
 967
 968         return status;
 969 }
 970
 971 static int HI_Command(struct drxd_state *state, u16 cmd, u16 * pResult)
 972 {
 973         u32 nrRetries = 0;
 974         u16 waitCmd;
 975         int status;
 976
 977         status = Write16(state, HI_RA_RAM_SRV_CMD__A, cmd, 0);
 978         if (status < 0)
 979                 return status;
 980
 981         do {
 982                 nrRetries += 1;
 983                 if (nrRetries > DRXD_MAX_RETRIES) {
 984                         status = -1;
 985                         break;
 986                 }
 987                 status = Read16(state, HI_RA_RAM_SRV_CMD__A, &waitCmd, 0);
 988         } while (waitCmd != 0);
 989
 990         if (status >= 0)
 991                 status = Read16(state, HI_RA_RAM_SRV_RES__A, pResult, 0);
 992         return status;
 993 }
 994
 995 static int HI_CfgCommand(struct drxd_state *state)
 996 {
 997         int status = 0;
 998
 999         mutex_lock(&state->mutex);
1000         Write16(state, HI_RA_RAM_SRV_CFG_KEY__A, HI_RA_RAM_SRV_RST_KEY_ACT, 0);
1001         Write16(state, HI_RA_RAM_SRV_CFG_DIV__A, state->hi_cfg_timing_div, 0);
1002         Write16(state, HI_RA_RAM_SRV_CFG_BDL__A, state->hi_cfg_bridge_delay, 0);
1003         Write16(state, HI_RA_RAM_SRV_CFG_WUP__A, state->hi_cfg_wakeup_key, 0);
1004         Write16(state, HI_RA_RAM_SRV_CFG_ACT__A, state->hi_cfg_ctrl, 0);
1005
1006         Write16(state, HI_RA_RAM_SRV_CFG_KEY__A, HI_RA_RAM_SRV_RST_KEY_ACT, 0);
1007
1008         if ((state->hi_cfg_ctrl & HI_RA_RAM_SRV_CFG_ACT_PWD_EXE) ==
1009             HI_RA_RAM_SRV_CFG_ACT_PWD_EXE)
1010                 status = Write16(state, HI_RA_RAM_SRV_CMD__A,
1011                                  HI_RA_RAM_SRV_CMD_CONFIG, 0);
1012         else
1013                 status = HI_Command(state, HI_RA_RAM_SRV_CMD_CONFIG, NULL);
1014         mutex_unlock(&state->mutex);
1015         return status;
1016 }
1017
1018 static int InitHI(struct drxd_state *state)
1019 {
1020         state->hi_cfg_wakeup_key = (state->chip_adr);
1021         /* port/bridge/power down ctrl */
1022         state->hi_cfg_ctrl = HI_RA_RAM_SRV_CFG_ACT_SLV0_ON;
1023         return HI_CfgCommand(state);
1024 }
1025
1026 static int HI_ResetCommand(struct drxd_state *state)
1027 {
1028         int status;
1029
1030         mutex_lock(&state->mutex);
1031         status = Write16(state, HI_RA_RAM_SRV_RST_KEY__A,
1032                          HI_RA_RAM_SRV_RST_KEY_ACT, 0);
1033         if (status == 0)
1034                 status = HI_Command(state, HI_RA_RAM_SRV_CMD_RESET, NULL);
1035         mutex_unlock(&state->mutex);
1036         msleep(1);
1037         return status;
1038 }
1039
1040 static int DRX_ConfigureI2CBridge(struct drxd_state *state, int bEnableBridge)
1041 {
1042         state->hi_cfg_ctrl &= (~HI_RA_RAM_SRV_CFG_ACT_BRD__M);
1043         if (bEnableBridge)
1044                 state->hi_cfg_ctrl |= HI_RA_RAM_SRV_CFG_ACT_BRD_ON;
1045         else
1046                 state->hi_cfg_ctrl |= HI_RA_RAM_SRV_CFG_ACT_BRD_OFF;
1047
1048         return HI_CfgCommand(state);
1049 }
1050
1051 #define HI_TR_WRITE      0x9
1052 #define HI_TR_READ       0xA
1053 #define HI_TR_READ_WRITE 0xB
1054 #define HI_TR_BROADCAST  0x4
1055
1056 #if 0
1057 static int AtomicReadBlock(struct drxd_state *state,
1058                            u32 Addr, u16 DataSize, u8 *pData, u8 Flags)
1059 {
1060         int status;
1061         int i = 0;
1062
1063         /* Parameter check */
1064         if ((!pData) || ((DataSize & 1) != 0))
1065                 return -1;
1066
1067         mutex_lock(&state->mutex);
1068
1069         do {
1070                 /* Instruct HI to read n bytes */
1071                 /* TODO use proper names forthese egisters */
1072                 status = Write16(state, HI_RA_RAM_SRV_CFG_KEY__A, (HI_TR_FUNC_ADDR & 0xFFFF), 0);
1073                 if (status < 0)
1074                         break;
1075                 status = Write16(state, HI_RA_RAM_SRV_CFG_DIV__A, (u16) (Addr >> 16), 0);
1076                 if (status < 0)
1077                         break;
1078                 status = Write16(state, HI_RA_RAM_SRV_CFG_BDL__A, (u16) (Addr & 0xFFFF), 0);
1079                 if (status < 0)
1080                         break;
1081                 status = Write16(state, HI_RA_RAM_SRV_CFG_WUP__A, (u16) ((DataSize / 2) - 1), 0);
1082                 if (status < 0)
1083                         break;
1084                 status = Write16(state, HI_RA_RAM_SRV_CFG_ACT__A, HI_TR_READ, 0);
1085                 if (status < 0)
1086                         break;
1087
1088                 status = HI_Command(state, HI_RA_RAM_SRV_CMD_EXECUTE, 0);
1089                 if (status < 0)
1090                         break;
1091
1092         } while (0);
1093
1094         if (status >= 0) {
1095                 for (i = 0; i < (DataSize / 2); i += 1) {
1096                         u16 word;
1097
1098                         status = Read16(state, (HI_RA_RAM_USR_BEGIN__A + i),
1099                                         &word, 0);
1100                         if (status < 0)
1101                                 break;
1102                         pData[2 * i] = (u8) (word & 0xFF);
1103                         pData[(2 * i) + 1] = (u8) (word >> 8);
1104                 }
1105         }
1106         mutex_unlock(&state->mutex);
1107         return status;
1108 }
1109
1110 static int AtomicReadReg32(struct drxd_state *state,
1111                            u32 Addr, u32 *pData, u8 Flags)
1112 {
1113         u8 buf[sizeof(u32)];
1114         int status;
1115
1116         if (!pData)
1117                 return -1;
1118         status = AtomicReadBlock(state, Addr, sizeof(u32), buf, Flags);
1119         *pData = (((u32) buf[0]) << 0) +
1120             (((u32) buf[1]) << 8) +
1121             (((u32) buf[2]) << 16) + (((u32) buf[3]) << 24);
1122         return status;
1123 }
1124 #endif
1125
1126 static int StopAllProcessors(struct drxd_state *state)
1127 {
1128         return Write16(state, HI_COMM_EXEC__A,
1129                        SC_COMM_EXEC_CTL_STOP, DRX_I2C_BROADCAST);
1130 }
1131
1132 static int EnableAndResetMB(struct drxd_state *state)
1133 {
1134         if (state->type_A) {
1135                 /* disable? monitor bus observe @ EC_OC */
1136                 Write16(state, EC_OC_REG_OC_MON_SIO__A, 0x0000, 0x0000);
1137         }
1138
1139         /* do inverse broadcast, followed by explicit write to HI */
1140         Write16(state, HI_COMM_MB__A, 0x0000, DRX_I2C_BROADCAST);
1141         Write16(state, HI_COMM_MB__A, 0x0000, 0x0000);
1142         return 0;
1143 }
1144
1145 static int InitCC(struct drxd_state *state)
1146 {
1147         if (state->osc_clock_freq == 0 ||
1148             state->osc_clock_freq > 20000 ||
1149             (state->osc_clock_freq % 4000) != 0) {
1150                 printk(KERN_ERR "invalid osc frequency %d\n", state->osc_clock_freq);
1151                 return -1;
1152         }
1153
1154         Write16(state, CC_REG_OSC_MODE__A, CC_REG_OSC_MODE_M20, 0);
1155         Write16(state, CC_REG_PLL_MODE__A, CC_REG_PLL_MODE_BYPASS_PLL |
1156                 CC_REG_PLL_MODE_PUMP_CUR_12, 0);
1157         Write16(state, CC_REG_REF_DIVIDE__A, state->osc_clock_freq / 4000, 0);
1158         Write16(state, CC_REG_PWD_MODE__A, CC_REG_PWD_MODE_DOWN_PLL, 0);
1159         Write16(state, CC_REG_UPDATE__A, CC_REG_UPDATE_KEY, 0);
1160
1161         return 0;
1162 }
1163
1164 static int ResetECOD(struct drxd_state *state)
1165 {
1166         int status = 0;
1167
1168         if (state->type_A)
1169                 status = Write16(state, EC_OD_REG_SYNC__A, 0x0664, 0);
1170         else
1171                 status = Write16(state, B_EC_OD_REG_SYNC__A, 0x0664, 0);
1172
1173         if (!(status < 0))
1174                 status = WriteTable(state, state->m_ResetECRAM);
1175         if (!(status < 0))
1176                 status = Write16(state, EC_OD_REG_COMM_EXEC__A, 0x0001, 0);
1177         return status;
1178 }
1179
1180 /* Configure PGA switch */
1181
1182 static int SetCfgPga(struct drxd_state *state, int pgaSwitch)
1183 {
1184         int status;
1185         u16 AgModeLop = 0;
1186         u16 AgModeHip = 0;
1187         do {
1188                 if (pgaSwitch) {
1189                         /* PGA on */
1190                         /* fine gain */
1191                         status = Read16(state, B_FE_AG_REG_AG_MODE_LOP__A, &AgModeLop, 0x0000);
1192                         if (status < 0)
1193                                 break;
1194                         AgModeLop &= (~(B_FE_AG_REG_AG_MODE_LOP_MODE_C__M));
1195                         AgModeLop |= B_FE_AG_REG_AG_MODE_LOP_MODE_C_DYNAMIC;
1196                         status = Write16(state, B_FE_AG_REG_AG_MODE_LOP__A, AgModeLop, 0x0000);
1197                         if (status < 0)
1198                                 break;
1199
1200                         /* coarse gain */
1201                         status = Read16(state, B_FE_AG_REG_AG_MODE_HIP__A, &AgModeHip, 0x0000);
1202                         if (status < 0)
1203                                 break;
1204                         AgModeHip &= (~(B_FE_AG_REG_AG_MODE_HIP_MODE_J__M));
1205                         AgModeHip |= B_FE_AG_REG_AG_MODE_HIP_MODE_J_DYNAMIC;
1206                         status = Write16(state, B_FE_AG_REG_AG_MODE_HIP__A, AgModeHip, 0x0000);
1207                         if (status < 0)
1208                                 break;
1209
1210                         /* enable fine and coarse gain, enable AAF,
1211                            no ext resistor */
1212                         status = Write16(state, B_FE_AG_REG_AG_PGA_MODE__A, B_FE_AG_REG_AG_PGA_MODE_PFY_PCY_AFY_REN, 0x0000);
1213                         if (status < 0)
1214                                 break;
1215                 } else {
1216                         /* PGA off, bypass */
1217
1218                         /* fine gain */
1219                         status = Read16(state, B_FE_AG_REG_AG_MODE_LOP__A, &AgModeLop, 0x0000);
1220                         if (status < 0)
1221                                 break;
1222                         AgModeLop &= (~(B_FE_AG_REG_AG_MODE_LOP_MODE_C__M));
1223                         AgModeLop |= B_FE_AG_REG_AG_MODE_LOP_MODE_C_STATIC;
1224                         status = Write16(state, B_FE_AG_REG_AG_MODE_LOP__A, AgModeLop, 0x0000);
1225                         if (status < 0)
1226                                 break;
1227
1228                         /* coarse gain */
1229                         status = Read16(state, B_FE_AG_REG_AG_MODE_HIP__A, &AgModeHip, 0x0000);
1230                         if (status < 0)
1231                                 break;
1232                         AgModeHip &= (~(B_FE_AG_REG_AG_MODE_HIP_MODE_J__M));
1233                         AgModeHip |= B_FE_AG_REG_AG_MODE_HIP_MODE_J_STATIC;
1234                         status = Write16(state, B_FE_AG_REG_AG_MODE_HIP__A, AgModeHip, 0x0000);
1235                         if (status < 0)
1236                                 break;
1237
1238                         /* disable fine and coarse gain, enable AAF,
1239                            no ext resistor */
1240                         status = Write16(state, B_FE_AG_REG_AG_PGA_MODE__A, B_FE_AG_REG_AG_PGA_MODE_PFN_PCN_AFY_REN, 0x0000);
1241                         if (status < 0)
1242                                 break;
1243                 }
1244         } while (0);
1245         return status;
1246 }
1247
1248 static int InitFE(struct drxd_state *state)
1249 {
1250         int status;
1251
1252         do {
1253                 status = WriteTable(state, state->m_InitFE_1);
1254                 if (status < 0)
1255                         break;
1256
1257                 if (state->type_A) {
1258                         status = Write16(state, FE_AG_REG_AG_PGA_MODE__A,
1259                                          FE_AG_REG_AG_PGA_MODE_PFN_PCN_AFY_REN,
1260                                          0);
1261                 } else {
1262                         if (state->PGA)
1263                                 status = SetCfgPga(state, 0);
1264                         else
1265                                 status =
1266                                     Write16(state, B_FE_AG_REG_AG_PGA_MODE__A,
1267                                             B_FE_AG_REG_AG_PGA_MODE_PFN_PCN_AFY_REN,
1268                                             0);
1269                 }
1270
1271                 if (status < 0)
1272                         break;
1273                 status = Write16(state, FE_AG_REG_AG_AGC_SIO__A, state->m_FeAgRegAgAgcSio, 0x0000);
1274                 if (status < 0)
1275                         break;
1276                 status = Write16(state, FE_AG_REG_AG_PWD__A, state->m_FeAgRegAgPwd, 0x0000);
1277                 if (status < 0)
1278                         break;
1279
1280                 status = WriteTable(state, state->m_InitFE_2);
1281                 if (status < 0)
1282                         break;
1283
1284         } while (0);
1285
1286         return status;
1287 }
1288
1289 static int InitFT(struct drxd_state *state)
1290 {
1291         /*
1292            norm OFFSET,  MB says =2 voor 8K en =3 voor 2K waarschijnlijk
1293            SC stuff
1294          */
1295         return Write16(state, FT_REG_COMM_EXEC__A, 0x0001, 0x0000);
1296 }
1297
1298 static int SC_WaitForReady(struct drxd_state *state)
1299 {
1300         u16 curCmd;
1301         int i;
1302
1303         for (i = 0; i < DRXD_MAX_RETRIES; i += 1) {
1304                 int status = Read16(state, SC_RA_RAM_CMD__A, &curCmd, 0);
1305                 if (status == 0 || curCmd == 0)
1306                         return status;
1307         }
1308         return -1;
1309 }
1310
1311 static int SC_SendCommand(struct drxd_state *state, u16 cmd)
1312 {
1313         int status = 0;
1314         u16 errCode;
1315
1316         Write16(state, SC_RA_RAM_CMD__A, cmd, 0);
1317         SC_WaitForReady(state);
1318
1319         Read16(state, SC_RA_RAM_CMD_ADDR__A, &errCode, 0);
1320
1321         if (errCode == 0xFFFF) {
1322                 printk(KERN_ERR "Command Error\n");
1323                 status = -1;
1324         }
1325
1326         return status;
1327 }
1328
1329 static int SC_ProcStartCommand(struct drxd_state *state,
1330                                u16 subCmd, u16 param0, u16 param1)
1331 {
1332         int status = 0;
1333         u16 scExec;
1334
1335         mutex_lock(&state->mutex);
1336         do {
1337                 Read16(state, SC_COMM_EXEC__A, &scExec, 0);
1338                 if (scExec != 1) {
1339                         status = -1;
1340                         break;
1341                 }
1342                 SC_WaitForReady(state);
1343                 Write16(state, SC_RA_RAM_CMD_ADDR__A, subCmd, 0);
1344                 Write16(state, SC_RA_RAM_PARAM1__A, param1, 0);
1345                 Write16(state, SC_RA_RAM_PARAM0__A, param0, 0);
1346
1347                 SC_SendCommand(state, SC_RA_RAM_CMD_PROC_START);
1348         } while (0);
1349         mutex_unlock(&state->mutex);
1350         return status;
1351 }
1352
1353 static int SC_SetPrefParamCommand(struct drxd_state *state,
1354                                   u16 subCmd, u16 param0, u16 param1)
1355 {
1356         int status;
1357
1358         mutex_lock(&state->mutex);
1359         do {
1360                 status = SC_WaitForReady(state);
1361                 if (status < 0)
1362                         break;
1363                 status = Write16(state, SC_RA_RAM_CMD_ADDR__A, subCmd, 0);
1364                 if (status < 0)
1365                         break;
1366                 status = Write16(state, SC_RA_RAM_PARAM1__A, param1, 0);
1367                 if (status < 0)
1368                         break;
1369                 status = Write16(state, SC_RA_RAM_PARAM0__A, param0, 0);
1370                 if (status < 0)
1371                         break;
1372
1373                 status = SC_SendCommand(state, SC_RA_RAM_CMD_SET_PREF_PARAM);
1374                 if (status < 0)
1375                         break;
1376         } while (0);
1377         mutex_unlock(&state->mutex);
1378         return status;
1379 }
1380
1381 #if 0
1382 static int SC_GetOpParamCommand(struct drxd_state *state, u16 * result)
1383 {
1384         int status = 0;
1385
1386         mutex_lock(&state->mutex);
1387         do {
1388                 status = SC_WaitForReady(state);
1389                 if (status < 0)
1390                         break;
1391                 status = SC_SendCommand(state, SC_RA_RAM_CMD_GET_OP_PARAM);
1392                 if (status < 0)
1393                         break;
1394                 status = Read16(state, SC_RA_RAM_PARAM0__A, result, 0);
1395                 if (status < 0)
1396                         break;
1397         } while (0);
1398         mutex_unlock(&state->mutex);
1399         return status;
1400 }
1401 #endif
1402
1403 static int ConfigureMPEGOutput(struct drxd_state *state, int bEnableOutput)
1404 {
1405         int status;
1406
1407         do {
1408                 u16 EcOcRegIprInvMpg = 0;
1409                 u16 EcOcRegOcModeLop = 0;
1410                 u16 EcOcRegOcModeHip = 0;
1411                 u16 EcOcRegOcMpgSio = 0;
1412
1413                 /*CHK_ERROR(Read16(state, EC_OC_REG_OC_MODE_LOP__A, &EcOcRegOcModeLop, 0)); */
1414
1415                 if (state->operation_mode == OM_DVBT_Diversity_Front) {
1416                         if (bEnableOutput) {
1417                                 EcOcRegOcModeHip |=
1418                                     B_EC_OC_REG_OC_MODE_HIP_MPG_BUS_SRC_MONITOR;
1419                         } else
1420                                 EcOcRegOcMpgSio |= EC_OC_REG_OC_MPG_SIO__M;
1421                         EcOcRegOcModeLop |=
1422                             EC_OC_REG_OC_MODE_LOP_PAR_ENA_DISABLE;
1423                 } else {
1424                         EcOcRegOcModeLop = state->m_EcOcRegOcModeLop;
1425
1426                         if (bEnableOutput)
1427                                 EcOcRegOcMpgSio &= (~(EC_OC_REG_OC_MPG_SIO__M));
1428                         else
1429                                 EcOcRegOcMpgSio |= EC_OC_REG_OC_MPG_SIO__M;
1430
1431                         /* Don't Insert RS Byte */
1432                         if (state->insert_rs_byte) {
1433                                 EcOcRegOcModeLop &=
1434                                     (~(EC_OC_REG_OC_MODE_LOP_PAR_ENA__M));
1435                                 EcOcRegOcModeHip &=
1436                                     (~EC_OC_REG_OC_MODE_HIP_MPG_PAR_VAL__M);
1437                                 EcOcRegOcModeHip |=
1438                                     EC_OC_REG_OC_MODE_HIP_MPG_PAR_VAL_ENABLE;
1439                         } else {
1440                                 EcOcRegOcModeLop |=
1441                                     EC_OC_REG_OC_MODE_LOP_PAR_ENA_DISABLE;
1442                                 EcOcRegOcModeHip &=
1443                                     (~EC_OC_REG_OC_MODE_HIP_MPG_PAR_VAL__M);
1444                                 EcOcRegOcModeHip |=
1445                                     EC_OC_REG_OC_MODE_HIP_MPG_PAR_VAL_DISABLE;
1446                         }
1447
1448                         /* Mode = Parallel */
1449                         if (state->enable_parallel)
1450                                 EcOcRegOcModeLop &=
1451                                     (~(EC_OC_REG_OC_MODE_LOP_MPG_TRM_MDE__M));
1452                         else
1453                                 EcOcRegOcModeLop |=
1454                                     EC_OC_REG_OC_MODE_LOP_MPG_TRM_MDE_SERIAL;
1455                 }
1456                 /* Invert Data */
1457                 /* EcOcRegIprInvMpg |= 0x00FF; */
1458                 EcOcRegIprInvMpg &= (~(0x00FF));
1459
1460                 /* Invert Error ( we don't use the pin ) */
1461                 /*  EcOcRegIprInvMpg |= 0x0100; */
1462                 EcOcRegIprInvMpg &= (~(0x0100));
1463
1464                 /* Invert Start ( we don't use the pin ) */
1465                 /* EcOcRegIprInvMpg |= 0x0200; */
1466                 EcOcRegIprInvMpg &= (~(0x0200));
1467
1468                 /* Invert Valid ( we don't use the pin ) */
1469                 /* EcOcRegIprInvMpg |= 0x0400; */
1470                 EcOcRegIprInvMpg &= (~(0x0400));
1471
1472                 /* Invert Clock */
1473                 /* EcOcRegIprInvMpg |= 0x0800; */
1474                 EcOcRegIprInvMpg &= (~(0x0800));
1475
1476                 /* EcOcRegOcModeLop =0x05; */
1477                 status = Write16(state, EC_OC_REG_IPR_INV_MPG__A, EcOcRegIprInvMpg, 0);
1478                 if (status < 0)
1479                         break;
1480                 status = Write16(state, EC_OC_REG_OC_MODE_LOP__A, EcOcRegOcModeLop, 0);
1481                 if (status < 0)
1482                         break;
1483                 status = Write16(state, EC_OC_REG_OC_MODE_HIP__A, EcOcRegOcModeHip, 0x0000);
1484                 if (status < 0)
1485                         break;
1486                 status = Write16(state, EC_OC_REG_OC_MPG_SIO__A, EcOcRegOcMpgSio, 0);
1487                 if (status < 0)
1488                         break;
1489         } while (0);
1490         return status;
1491 }
1492
1493 static int SetDeviceTypeId(struct drxd_state *state)
1494 {
1495         int status = 0;
1496         u16 deviceId = 0;
1497
1498         do {
1499                 status = Read16(state, CC_REG_JTAGID_L__A, &deviceId, 0);
1500                 if (status < 0)
1501                         break;
1502                 /* TODO: why twice? */
1503                 status = Read16(state, CC_REG_JTAGID_L__A, &deviceId, 0);
1504                 if (status < 0)
1505                         break;
1506                 printk(KERN_INFO "drxd: deviceId = %04x\n", deviceId);
1507
1508                 state->type_A = 0;
1509                 state->PGA = 0;
1510                 state->diversity = 0;
1511                 if (deviceId == 0) {    /* on A2 only 3975 available */
1512                         state->type_A = 1;
1513                         printk(KERN_INFO "DRX3975D-A2\n");
1514                 } else {
1515                         deviceId >>= 12;
1516                         printk(KERN_INFO "DRX397%dD-B1\n", deviceId);
1517                         switch (deviceId) {
1518                         case 4:
1519                                 state->diversity = 1;
1520                                 /* fall through */
1521                         case 3:
1522                         case 7:
1523                                 state->PGA = 1;
1524                                 break;
1525                         case 6:
1526                                 state->diversity = 1;
1527                                 /* fall through */
1528                         case 5:
1529                         case 8:
1530                                 break;
1531                         default:
1532                                 status = -1;
1533                                 break;
1534                         }
1535                 }
1536         } while (0);
1537
1538         if (status < 0)
1539                 return status;
1540
1541         /* Init Table selection */
1542         state->m_InitAtomicRead = DRXD_InitAtomicRead;
1543         state->m_InitSC = DRXD_InitSC;
1544         state->m_ResetECRAM = DRXD_ResetECRAM;
1545         if (state->type_A) {
1546                 state->m_ResetCEFR = DRXD_ResetCEFR;
1547                 state->m_InitFE_1 = DRXD_InitFEA2_1;
1548                 state->m_InitFE_2 = DRXD_InitFEA2_2;
1549                 state->m_InitCP = DRXD_InitCPA2;
1550                 state->m_InitCE = DRXD_InitCEA2;
1551                 state->m_InitEQ = DRXD_InitEQA2;
1552                 state->m_InitEC = DRXD_InitECA2;
1553                 if (load_firmware(state, DRX_FW_FILENAME_A2))
1554                         return -EIO;
1555         } else {
1556                 state->m_ResetCEFR = NULL;
1557                 state->m_InitFE_1 = DRXD_InitFEB1_1;
1558                 state->m_InitFE_2 = DRXD_InitFEB1_2;
1559                 state->m_InitCP = DRXD_InitCPB1;
1560                 state->m_InitCE = DRXD_InitCEB1;
1561                 state->m_InitEQ = DRXD_InitEQB1;
1562                 state->m_InitEC = DRXD_InitECB1;
1563                 if (load_firmware(state, DRX_FW_FILENAME_B1))
1564                         return -EIO;
1565         }
1566         if (state->diversity) {
1567                 state->m_InitDiversityFront = DRXD_InitDiversityFront;
1568                 state->m_InitDiversityEnd = DRXD_InitDiversityEnd;
1569                 state->m_DisableDiversity = DRXD_DisableDiversity;
1570                 state->m_StartDiversityFront = DRXD_StartDiversityFront;
1571                 state->m_StartDiversityEnd = DRXD_StartDiversityEnd;
1572                 state->m_DiversityDelay8MHZ = DRXD_DiversityDelay8MHZ;
1573                 state->m_DiversityDelay6MHZ = DRXD_DiversityDelay6MHZ;
1574         } else {
1575                 state->m_InitDiversityFront = NULL;
1576                 state->m_InitDiversityEnd = NULL;
1577                 state->m_DisableDiversity = NULL;
1578                 state->m_StartDiversityFront = NULL;
1579                 state->m_StartDiversityEnd = NULL;
1580                 state->m_DiversityDelay8MHZ = NULL;
1581                 state->m_DiversityDelay6MHZ = NULL;
1582         }
1583
1584         return status;
1585 }
1586
1587 static int CorrectSysClockDeviation(struct drxd_state *state)
1588 {
1589         int status;
1590         s32 incr = 0;
1591         s32 nomincr = 0;
1592         u32 bandwidth = 0;
1593         u32 sysClockInHz = 0;
1594         u32 sysClockFreq = 0;   /* in kHz */
1595         s16 oscClockDeviation;
1596         s16 Diff;
1597
1598         do {
1599                 /* Retrieve bandwidth and incr, sanity check */
1600
1601                 /* These accesses should be AtomicReadReg32, but that
1602                    causes trouble (at least for diversity */
1603                 status = Read32(state, LC_RA_RAM_IFINCR_NOM_L__A, ((u32 *) &nomincr), 0);
1604                 if (status < 0)
1605                         break;
1606                 status = Read32(state, FE_IF_REG_INCR0__A, (u32 *) &incr, 0);
1607                 if (status < 0)
1608                         break;
1609
1610                 if (state->type_A) {
1611                         if ((nomincr - incr < -500) || (nomincr - incr > 500))
1612                                 break;
1613                 } else {
1614                         if ((nomincr - incr < -2000) || (nomincr - incr > 2000))
1615                                 break;
1616                 }
1617
1618                 switch (state->props.bandwidth_hz) {
1619                 case 8000000:
1620                         bandwidth = DRXD_BANDWIDTH_8MHZ_IN_HZ;
1621                         break;
1622                 case 7000000:
1623                         bandwidth = DRXD_BANDWIDTH_7MHZ_IN_HZ;
1624                         break;
1625                 case 6000000:
1626                         bandwidth = DRXD_BANDWIDTH_6MHZ_IN_HZ;
1627                         break;
1628                 default:
1629                         return -1;
1630                         break;
1631                 }
1632
1633                 /* Compute new sysclock value
1634                    sysClockFreq = (((incr + 2^23)*bandwidth)/2^21)/1000 */
1635                 incr += (1 << 23);
1636                 sysClockInHz = MulDiv32(incr, bandwidth, 1 << 21);
1637                 sysClockFreq = (u32) (sysClockInHz / 1000);
1638                 /* rounding */
1639                 if ((sysClockInHz % 1000) > 500)
1640                         sysClockFreq++;
1641
1642                 /* Compute clock deviation in ppm */
1643                 oscClockDeviation = (u16) ((((s32) (sysClockFreq) -
1644                                              (s32)
1645                                              (state->expected_sys_clock_freq)) *
1646                                             1000000L) /
1647                                            (s32)
1648                                            (state->expected_sys_clock_freq));
1649
1650                 Diff = oscClockDeviation - state->osc_clock_deviation;
1651                 /*printk(KERN_INFO "sysclockdiff=%d\n", Diff); */
1652                 if (Diff >= -200 && Diff <= 200) {
1653                         state->sys_clock_freq = (u16) sysClockFreq;
1654                         if (oscClockDeviation != state->osc_clock_deviation) {
1655                                 if (state->config.osc_deviation) {
1656                                         state->config.osc_deviation(state->priv,
1657                                                                     oscClockDeviation,
1658                                                                     1);
1659                                         state->osc_clock_deviation =
1660                                             oscClockDeviation;
1661                                 }
1662                         }
1663                         /* switch OFF SRMM scan in SC */
1664                         status = Write16(state, SC_RA_RAM_SAMPLE_RATE_COUNT__A, DRXD_OSCDEV_DONT_SCAN, 0);
1665                         if (status < 0)
1666                                 break;
1667                         /* overrule FE_IF internal value for
1668                            proper re-locking */
1669                         status = Write16(state, SC_RA_RAM_IF_SAVE__AX, state->current_fe_if_incr, 0);
1670                         if (status < 0)
1671                                 break;
1672                         state->cscd_state = CSCD_SAVED;
1673                 }
1674         } while (0);
1675
1676         return status;
1677 }
1678
1679 static int DRX_Stop(struct drxd_state *state)
1680 {
1681         int status;
1682
1683         if (state->drxd_state != DRXD_STARTED)
1684                 return 0;
1685
1686         do {
1687                 if (state->cscd_state != CSCD_SAVED) {
1688                         u32 lock;
1689                         status = DRX_GetLockStatus(state, &lock);
1690                         if (status < 0)
1691                                 break;
1692                 }
1693
1694                 status = StopOC(state);
1695                 if (status < 0)
1696                         break;
1697
1698                 state->drxd_state = DRXD_STOPPED;
1699
1700                 status = ConfigureMPEGOutput(state, 0);
1701                 if (status < 0)
1702                         break;
1703
1704                 if (state->type_A) {
1705                         /* Stop relevant processors off the device */
1706                         status = Write16(state, EC_OD_REG_COMM_EXEC__A, 0x0000, 0x0000);
1707                         if (status < 0)
1708                                 break;
1709
1710                         status = Write16(state, SC_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0);
1711                         if (status < 0)
1712                                 break;
1713                         status = Write16(state, LC_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0);
1714                         if (status < 0)
1715                                 break;
1716                 } else {
1717                         /* Stop all processors except HI & CC & FE */
1718                         status = Write16(state, B_SC_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0);
1719                         if (status < 0)
1720                                 break;
1721                         status = Write16(state, B_LC_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0);
1722                         if (status < 0)
1723                                 break;
1724                         status = Write16(state, B_FT_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0);
1725                         if (status < 0)
1726                                 break;
1727                         status = Write16(state, B_CP_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0);
1728                         if (status < 0)
1729                                 break;
1730                         status = Write16(state, B_CE_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0);
1731                         if (status < 0)
1732                                 break;
1733                         status = Write16(state, B_EQ_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0);
1734                         if (status < 0)
1735                                 break;
1736                         status = Write16(state, EC_OD_REG_COMM_EXEC__A, 0x0000, 0);
1737                         if (status < 0)
1738                                 break;
1739                 }
1740
1741         } while (0);
1742         return status;
1743 }
1744
1745 #if 0   /* Currently unused */
1746 static int SetOperationMode(struct drxd_state *state, int oMode)
1747 {
1748         int status;
1749
1750         do {
1751                 if (state->drxd_state != DRXD_STOPPED) {
1752                         status = -1;
1753                         break;
1754                 }
1755
1756                 if (oMode == state->operation_mode) {
1757                         status = 0;
1758                         break;
1759                 }
1760
1761                 if (oMode != OM_Default && !state->diversity) {
1762                         status = -1;
1763                         break;
1764                 }
1765
1766                 switch (oMode) {
1767                 case OM_DVBT_Diversity_Front:
1768                         status = WriteTable(state, state->m_InitDiversityFront);
1769                         break;
1770                 case OM_DVBT_Diversity_End:
1771                         status = WriteTable(state, state->m_InitDiversityEnd);
1772                         break;
1773                 case OM_Default:
1774                         /* We need to check how to
1775                            get DRXD out of diversity */
1776                 default:
1777                         status = WriteTable(state, state->m_DisableDiversity);
1778                         break;
1779                 }
1780         } while (0);
1781
1782         if (!status)
1783                 state->operation_mode = oMode;
1784         return status;
1785 }
1786 #endif
1787
1788 static int StartDiversity(struct drxd_state *state)
1789 {
1790         int status = 0;
1791         u16 rcControl;
1792
1793         do {
1794                 if (state->operation_mode == OM_DVBT_Diversity_Front) {
1795                         status = WriteTable(state, state->m_StartDiversityFront);
1796                         if (status < 0)
1797                                 break;
1798                 } else if (state->operation_mode == OM_DVBT_Diversity_End) {
1799                         status = WriteTable(state, state->m_StartDiversityEnd);
1800                         if (status < 0)
1801                                 break;
1802                         if (state->props.bandwidth_hz == 8000000) {
1803                                 status = WriteTable(state, state->m_DiversityDelay8MHZ);
1804                                 if (status < 0)
1805                                         break;
1806                         } else {
1807                                 status = WriteTable(state, state->m_DiversityDelay6MHZ);
1808                                 if (status < 0)
1809                                         break;
1810                         }
1811
1812                         status = Read16(state, B_EQ_REG_RC_SEL_CAR__A, &rcControl, 0);
1813                         if (status < 0)
1814                                 break;
1815                         rcControl &= ~(B_EQ_REG_RC_SEL_CAR_FFTMODE__M);
1816                         rcControl |= B_EQ_REG_RC_SEL_CAR_DIV_ON |
1817                             /*  combining enabled */
1818                             B_EQ_REG_RC_SEL_CAR_MEAS_A_CC |
1819                             B_EQ_REG_RC_SEL_CAR_PASS_A_CC |
1820                             B_EQ_REG_RC_SEL_CAR_LOCAL_A_CC;
1821                         status = Write16(state, B_EQ_REG_RC_SEL_CAR__A, rcControl, 0);
1822                         if (status < 0)
1823                                 break;
1824                 }
1825         } while (0);
1826         return status;
1827 }
1828
1829 static int SetFrequencyShift(struct drxd_state *state,
1830                              u32 offsetFreq, int channelMirrored)
1831 {
1832         int negativeShift = (state->tuner_mirrors == channelMirrored);
1833
1834         /* Handle all mirroring
1835          *
1836          * Note: ADC mirroring (aliasing) is implictly handled by limiting
1837          * feFsRegAddInc to 28 bits below
1838          * (if the result before masking is more than 28 bits, this means
1839          *  that the ADC is mirroring.
1840          * The masking is in fact the aliasing of the ADC)
1841          *
1842          */
1843
1844         /* Compute register value, unsigned computation */
1845         state->fe_fs_add_incr = MulDiv32(state->intermediate_freq +
1846                                          offsetFreq,
1847                                          1 << 28, state->sys_clock_freq);
1848         /* Remove integer part */
1849         state->fe_fs_add_incr &= 0x0FFFFFFFL;
1850         if (negativeShift)
1851                 state->fe_fs_add_incr = ((1 << 28) - state->fe_fs_add_incr);
1852
1853         /* Save the frequency shift without tunerOffset compensation
1854            for CtrlGetChannel. */
1855         state->org_fe_fs_add_incr = MulDiv32(state->intermediate_freq,
1856                                              1 << 28, state->sys_clock_freq);
1857         /* Remove integer part */
1858         state->org_fe_fs_add_incr &= 0x0FFFFFFFL;
1859         if (negativeShift)
1860                 state->org_fe_fs_add_incr = ((1L << 28) -
1861                                              state->org_fe_fs_add_incr);
1862
1863         return Write32(state, FE_FS_REG_ADD_INC_LOP__A,
1864                        state->fe_fs_add_incr, 0);
1865 }
1866
1867 static int SetCfgNoiseCalibration(struct drxd_state *state,
1868                                   struct SNoiseCal *noiseCal)
1869 {
1870         u16 beOptEna;
1871         int status = 0;
1872
1873         do {
1874                 status = Read16(state, SC_RA_RAM_BE_OPT_ENA__A, &beOptEna, 0);
1875                 if (status < 0)
1876                         break;
1877                 if (noiseCal->cpOpt) {
1878                         beOptEna |= (1 << SC_RA_RAM_BE_OPT_ENA_CP_OPT);
1879                 } else {
1880                         beOptEna &= ~(1 << SC_RA_RAM_BE_OPT_ENA_CP_OPT);
1881                         status = Write16(state, CP_REG_AC_NEXP_OFFS__A, noiseCal->cpNexpOfs, 0);
1882                         if (status < 0)
1883                                 break;
1884                 }
1885                 status = Write16(state, SC_RA_RAM_BE_OPT_ENA__A, beOptEna, 0);
1886                 if (status < 0)
1887                         break;
1888
1889                 if (!state->type_A) {
1890                         status = Write16(state, B_SC_RA_RAM_CO_TD_CAL_2K__A, noiseCal->tdCal2k, 0);
1891                         if (status < 0)
1892                                 break;
1893                         status = Write16(state, B_SC_RA_RAM_CO_TD_CAL_8K__A, noiseCal->tdCal8k, 0);
1894                         if (status < 0)
1895                                 break;
1896                 }
1897         } while (0);
1898
1899         return status;
1900 }
1901
1902 static int DRX_Start(struct drxd_state *state, s32 off)
1903 {
1904         struct dtv_frontend_properties *p = &state->props;
1905         int status;
1906
1907         u16 transmissionParams = 0;
1908         u16 operationMode = 0;
1909         u16 qpskTdTpsPwr = 0;
1910         u16 qam16TdTpsPwr = 0;
1911         u16 qam64TdTpsPwr = 0;
1912         u32 feIfIncr = 0;
1913         u32 bandwidth = 0;
1914         int mirrorFreqSpect;
1915
1916         u16 qpskSnCeGain = 0;
1917         u16 qam16SnCeGain = 0;
1918         u16 qam64SnCeGain = 0;
1919         u16 qpskIsGainMan = 0;
1920         u16 qam16IsGainMan = 0;
1921         u16 qam64IsGainMan = 0;
1922         u16 qpskIsGainExp = 0;
1923         u16 qam16IsGainExp = 0;
1924         u16 qam64IsGainExp = 0;
1925         u16 bandwidthParam = 0;
1926
1927         if (off < 0)
1928                 off = (off - 500) / 1000;
1929         else
1930                 off = (off + 500) / 1000;
1931
1932         do {
1933                 if (state->drxd_state != DRXD_STOPPED)
1934                         return -1;
1935                 status = ResetECOD(state);
1936                 if (status < 0)
1937                         break;
1938                 if (state->type_A) {
1939                         status = InitSC(state);
1940                         if (status < 0)
1941                                 break;
1942                 } else {
1943                         status = InitFT(state);
1944                         if (status < 0)
1945                                 break;
1946                         status = InitCP(state);
1947                         if (status < 0)
1948                                 break;
1949                         status = InitCE(state);
1950                         if (status < 0)
1951                                 break;
1952                         status = InitEQ(state);
1953                         if (status < 0)
1954                                 break;
1955                         status = InitSC(state);
1956                         if (status < 0)
1957                                 break;
1958                 }
1959
1960                 /* Restore current IF & RF AGC settings */
1961
1962                 status = SetCfgIfAgc(state, &state->if_agc_cfg);
1963                 if (status < 0)
1964                         break;
1965                 status = SetCfgRfAgc(state, &state->rf_agc_cfg);
1966                 if (status < 0)
1967                         break;
1968
1969                 mirrorFreqSpect = (state->props.inversion == INVERSION_ON);
1970
1971                 switch (p->transmission_mode) {
1972                 default:        /* Not set, detect it automatically */
1973                         operationMode |= SC_RA_RAM_OP_AUTO_MODE__M;
1974                         /* try first guess DRX_FFTMODE_8K */
1975                         /* fall through */
1976                 case TRANSMISSION_MODE_8K:
1977                         transmissionParams |= SC_RA_RAM_OP_PARAM_MODE_8K;
1978                         if (state->type_A) {
1979                                 status = Write16(state, EC_SB_REG_TR_MODE__A, EC_SB_REG_TR_MODE_8K, 0x0000);
1980                                 if (status < 0)
1981                                         break;
1982                                 qpskSnCeGain = 99;
1983                                 qam16SnCeGain = 83;
1984                                 qam64SnCeGain = 67;
1985                         }
1986                         break;
1987                 case TRANSMISSION_MODE_2K:
1988                         transmissionParams |= SC_RA_RAM_OP_PARAM_MODE_2K;
1989                         if (state->type_A) {
1990                                 status = Write16(state, EC_SB_REG_TR_MODE__A, EC_SB_REG_TR_MODE_2K, 0x0000);
1991                                 if (status < 0)
1992                                         break;
1993                                 qpskSnCeGain = 97;
1994                                 qam16SnCeGain = 71;
1995                                 qam64SnCeGain = 65;
1996                         }
1997                         break;
1998                 }
1999
2000                 switch (p->guard_interval) {
2001                 case GUARD_INTERVAL_1_4:
2002                         transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_4;
2003                         break;
2004                 case GUARD_INTERVAL_1_8:
2005                         transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_8;
2006                         break;
2007                 case GUARD_INTERVAL_1_16:
2008                         transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_16;
2009                         break;
2010                 case GUARD_INTERVAL_1_32:
2011                         transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_32;
2012                         break;
2013                 default:        /* Not set, detect it automatically */
2014                         operationMode |= SC_RA_RAM_OP_AUTO_GUARD__M;
2015                         /* try first guess 1/4 */
2016                         transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_4;
2017                         break;
2018                 }
2019
2020                 switch (p->hierarchy) {
2021                 case HIERARCHY_1:
2022                         transmissionParams |= SC_RA_RAM_OP_PARAM_HIER_A1;
2023                         if (state->type_A) {
2024                                 status = Write16(state, EQ_REG_OT_ALPHA__A, 0x0001, 0x0000);
2025                                 if (status < 0)
2026                                         break;
2027                                 status = Write16(state, EC_SB_REG_ALPHA__A, 0x0001, 0x0000);
2028                                 if (status < 0)
2029                                         break;
2030
2031                                 qpskTdTpsPwr = EQ_TD_TPS_PWR_UNKNOWN;
2032                                 qam16TdTpsPwr = EQ_TD_TPS_PWR_QAM16_ALPHA1;
2033                                 qam64TdTpsPwr = EQ_TD_TPS_PWR_QAM64_ALPHA1;
2034
2035                                 qpskIsGainMan =
2036                                     SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_MAN__PRE;
2037                                 qam16IsGainMan =
2038                                     SC_RA_RAM_EQ_IS_GAIN_16QAM_MAN__PRE;
2039                                 qam64IsGainMan =
2040                                     SC_RA_RAM_EQ_IS_GAIN_64QAM_MAN__PRE;
2041
2042                                 qpskIsGainExp =
2043                                     SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_EXP__PRE;
2044                                 qam16IsGainExp =
2045                                     SC_RA_RAM_EQ_IS_GAIN_16QAM_EXP__PRE;
2046                                 qam64IsGainExp =
2047                                     SC_RA_RAM_EQ_IS_GAIN_64QAM_EXP__PRE;
2048                         }
2049                         break;
2050
2051                 case HIERARCHY_2:
2052                         transmissionParams |= SC_RA_RAM_OP_PARAM_HIER_A2;
2053                         if (state->type_A) {
2054                                 status = Write16(state, EQ_REG_OT_ALPHA__A, 0x0002, 0x0000);
2055                                 if (status < 0)
2056                                         break;
2057                                 status = Write16(state, EC_SB_REG_ALPHA__A, 0x0002, 0x0000);
2058                                 if (status < 0)
2059                                         break;
2060
2061                                 qpskTdTpsPwr = EQ_TD_TPS_PWR_UNKNOWN;
2062                                 qam16TdTpsPwr = EQ_TD_TPS_PWR_QAM16_ALPHA2;
2063                                 qam64TdTpsPwr = EQ_TD_TPS_PWR_QAM64_ALPHA2;
2064
2065                                 qpskIsGainMan =
2066                                     SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_MAN__PRE;
2067                                 qam16IsGainMan =
2068                                     SC_RA_RAM_EQ_IS_GAIN_16QAM_A2_MAN__PRE;
2069                                 qam64IsGainMan =
2070                                     SC_RA_RAM_EQ_IS_GAIN_64QAM_A2_MAN__PRE;
2071
2072                                 qpskIsGainExp =
2073                                     SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_EXP__PRE;
2074                                 qam16IsGainExp =
2075                                     SC_RA_RAM_EQ_IS_GAIN_16QAM_A2_EXP__PRE;
2076                                 qam64IsGainExp =
2077                                     SC_RA_RAM_EQ_IS_GAIN_64QAM_A2_EXP__PRE;
2078                         }
2079                         break;
2080                 case HIERARCHY_4:
2081                         transmissionParams |= SC_RA_RAM_OP_PARAM_HIER_A4;
2082                         if (state->type_A) {
2083                                 status = Write16(state, EQ_REG_OT_ALPHA__A, 0x0003, 0x0000);
2084                                 if (status < 0)
2085                                         break;
2086                                 status = Write16(state, EC_SB_REG_ALPHA__A, 0x0003, 0x0000);
2087                                 if (status < 0)
2088                                         break;
2089
2090                                 qpskTdTpsPwr = EQ_TD_TPS_PWR_UNKNOWN;
2091                                 qam16TdTpsPwr = EQ_TD_TPS_PWR_QAM16_ALPHA4;
2092                                 qam64TdTpsPwr = EQ_TD_TPS_PWR_QAM64_ALPHA4;
2093
2094                                 qpskIsGainMan =
2095                                     SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_MAN__PRE;
2096                                 qam16IsGainMan =
2097                                     SC_RA_RAM_EQ_IS_GAIN_16QAM_A4_MAN__PRE;
2098                                 qam64IsGainMan =
2099                                     SC_RA_RAM_EQ_IS_GAIN_64QAM_A4_MAN__PRE;
2100
2101                                 qpskIsGainExp =
2102                                     SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_EXP__PRE;
2103                                 qam16IsGainExp =
2104                                     SC_RA_RAM_EQ_IS_GAIN_16QAM_A4_EXP__PRE;
2105                                 qam64IsGainExp =
2106                                     SC_RA_RAM_EQ_IS_GAIN_64QAM_A4_EXP__PRE;
2107                         }
2108                         break;
2109                 case HIERARCHY_AUTO:
2110                 default:
2111                         /* Not set, detect it automatically, start with none */
2112                         operationMode |= SC_RA_RAM_OP_AUTO_HIER__M;
2113                         transmissionParams |= SC_RA_RAM_OP_PARAM_HIER_NO;
2114                         if (state->type_A) {
2115                                 status = Write16(state, EQ_REG_OT_ALPHA__A, 0x0000, 0x0000);
2116                                 if (status < 0)
2117                                         break;
2118                                 status = Write16(state, EC_SB_REG_ALPHA__A, 0x0000, 0x0000);
2119                                 if (status < 0)
2120                                         break;
2121
2122                                 qpskTdTpsPwr = EQ_TD_TPS_PWR_QPSK;
2123                                 qam16TdTpsPwr = EQ_TD_TPS_PWR_QAM16_ALPHAN;
2124                                 qam64TdTpsPwr = EQ_TD_TPS_PWR_QAM64_ALPHAN;
2125
2126                                 qpskIsGainMan =
2127                                     SC_RA_RAM_EQ_IS_GAIN_QPSK_MAN__PRE;
2128                                 qam16IsGainMan =
2129                                     SC_RA_RAM_EQ_IS_GAIN_16QAM_MAN__PRE;
2130                                 qam64IsGainMan =
2131                                     SC_RA_RAM_EQ_IS_GAIN_64QAM_MAN__PRE;
2132
2133                                 qpskIsGainExp =
2134                                     SC_RA_RAM_EQ_IS_GAIN_QPSK_EXP__PRE;
2135                                 qam16IsGainExp =
2136                                     SC_RA_RAM_EQ_IS_GAIN_16QAM_EXP__PRE;
2137                                 qam64IsGainExp =
2138                                     SC_RA_RAM_EQ_IS_GAIN_64QAM_EXP__PRE;
2139                         }
2140                         break;
2141                 }
2142                 status = status;
2143                 if (status < 0)
2144                         break;
2145
2146                 switch (p->modulation) {
2147                 default:
2148                         operationMode |= SC_RA_RAM_OP_AUTO_CONST__M;
2149                         /* try first guess DRX_CONSTELLATION_QAM64 */
2150                         /* fall through */
2151                 case QAM_64:
2152                         transmissionParams |= SC_RA_RAM_OP_PARAM_CONST_QAM64;
2153                         if (state->type_A) {
2154                                 status = Write16(state, EQ_REG_OT_CONST__A, 0x0002, 0x0000);
2155                                 if (status < 0)
2156                                         break;
2157                                 status = Write16(state, EC_SB_REG_CONST__A, EC_SB_REG_CONST_64QAM, 0x0000);
2158                                 if (status < 0)
2159                                         break;
2160                                 status = Write16(state, EC_SB_REG_SCALE_MSB__A, 0x0020, 0x0000);
2161                                 if (status < 0)
2162                                         break;
2163                                 status = Write16(state, EC_SB_REG_SCALE_BIT2__A, 0x0008, 0x0000);
2164                                 if (status < 0)
2165                                         break;
2166                                 status = Write16(state, EC_SB_REG_SCALE_LSB__A, 0x0002, 0x0000);
2167                                 if (status < 0)
2168                                         break;
2169
2170                                 status = Write16(state, EQ_REG_TD_TPS_PWR_OFS__A, qam64TdTpsPwr, 0x0000);
2171                                 if (status < 0)
2172                                         break;
2173                                 status = Write16(state, EQ_REG_SN_CEGAIN__A, qam64SnCeGain, 0x0000);
2174                                 if (status < 0)
2175                                         break;
2176                                 status = Write16(state, EQ_REG_IS_GAIN_MAN__A, qam64IsGainMan, 0x0000);
2177                                 if (status < 0)
2178                                         break;
2179                                 status = Write16(state, EQ_REG_IS_GAIN_EXP__A, qam64IsGainExp, 0x0000);
2180                                 if (status < 0)
2181                                         break;
2182                         }
2183                         break;
2184                 case QPSK:
2185                         transmissionParams |= SC_RA_RAM_OP_PARAM_CONST_QPSK;
2186                         if (state->type_A) {
2187                                 status = Write16(state, EQ_REG_OT_CONST__A, 0x0000, 0x0000);
2188                                 if (status < 0)
2189                                         break;
2190                                 status = Write16(state, EC_SB_REG_CONST__A, EC_SB_REG_CONST_QPSK, 0x0000);
2191                                 if (status < 0)
2192                                         break;
2193                                 status = Write16(state, EC_SB_REG_SCALE_MSB__A, 0x0010, 0x0000);
2194                                 if (status < 0)
2195                                         break;
2196                                 status = Write16(state, EC_SB_REG_SCALE_BIT2__A, 0x0000, 0x0000);
2197                                 if (status < 0)
2198                                         break;
2199                                 status = Write16(state, EC_SB_REG_SCALE_LSB__A, 0x0000, 0x0000);
2200                                 if (status < 0)
2201                                         break;
2202
2203                                 status = Write16(state, EQ_REG_TD_TPS_PWR_OFS__A, qpskTdTpsPwr, 0x0000);
2204                                 if (status < 0)
2205                                         break;
2206                                 status = Write16(state, EQ_REG_SN_CEGAIN__A, qpskSnCeGain, 0x0000);
2207                                 if (status < 0)
2208                                         break;
2209                                 status = Write16(state, EQ_REG_IS_GAIN_MAN__A, qpskIsGainMan, 0x0000);
2210                                 if (status < 0)
2211                                         break;
2212                                 status = Write16(state, EQ_REG_IS_GAIN_EXP__A, qpskIsGainExp, 0x0000);
2213                                 if (status < 0)
2214                                         break;
2215                         }
2216                         break;
2217
2218                 case QAM_16:
2219                         transmissionParams |= SC_RA_RAM_OP_PARAM_CONST_QAM16;
2220                         if (state->type_A) {
2221                                 status = Write16(state, EQ_REG_OT_CONST__A, 0x0001, 0x0000);
2222                                 if (status < 0)
2223                                         break;
2224                                 status = Write16(state, EC_SB_REG_CONST__A, EC_SB_REG_CONST_16QAM, 0x0000);
2225                                 if (status < 0)
2226                                         break;
2227                                 status = Write16(state, EC_SB_REG_SCALE_MSB__A, 0x0010, 0x0000);
2228                                 if (status < 0)
2229                                         break;
2230                                 status = Write16(state, EC_SB_REG_SCALE_BIT2__A, 0x0004, 0x0000);
2231                                 if (status < 0)
2232                                         break;
2233                                 status = Write16(state, EC_SB_REG_SCALE_LSB__A, 0x0000, 0x0000);
2234                                 if (status < 0)
2235                                         break;
2236
2237                                 status = Write16(state, EQ_REG_TD_TPS_PWR_OFS__A, qam16TdTpsPwr, 0x0000);
2238                                 if (status < 0)
2239                                         break;
2240                                 status = Write16(state, EQ_REG_SN_CEGAIN__A, qam16SnCeGain, 0x0000);
2241                                 if (status < 0)
2242                                         break;
2243                                 status = Write16(state, EQ_REG_IS_GAIN_MAN__A, qam16IsGainMan, 0x0000);
2244                                 if (status < 0)
2245                                         break;
2246                                 status = Write16(state, EQ_REG_IS_GAIN_EXP__A, qam16IsGainExp, 0x0000);
2247                                 if (status < 0)
2248                                         break;
2249                         }
2250                         break;
2251
2252                 }
2253                 status = status;
2254                 if (status < 0)
2255                         break;
2256
2257                 switch (DRX_CHANNEL_HIGH) {
2258                 default:
2259                 case DRX_CHANNEL_AUTO:
2260                 case DRX_CHANNEL_LOW:
2261                         transmissionParams |= SC_RA_RAM_OP_PARAM_PRIO_LO;
2262                         status = Write16(state, EC_SB_REG_PRIOR__A, EC_SB_REG_PRIOR_LO, 0x0000);
2263                         if (status < 0)
2264                                 break;
2265                         break;
2266                 case DRX_CHANNEL_HIGH:
2267                         transmissionParams |= SC_RA_RAM_OP_PARAM_PRIO_HI;
2268                         status = Write16(state, EC_SB_REG_PRIOR__A, EC_SB_REG_PRIOR_HI, 0x0000);
2269                         if (status < 0)
2270                                 break;
2271                         break;
2272
2273                 }
2274
2275                 switch (p->code_rate_HP) {
2276                 case FEC_1_2:
2277                         transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_1_2;
2278                         if (state->type_A) {
2279                                 status = Write16(state, EC_VD_REG_SET_CODERATE__A, EC_VD_REG_SET_CODERATE_C1_2, 0x0000);
2280                                 if (status < 0)
2281                                         break;
2282                         }
2283                         break;
2284                 default:
2285                         operationMode |= SC_RA_RAM_OP_AUTO_RATE__M;
2286                         /* fall through */
2287                 case FEC_2_3:
2288                         transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_2_3;
2289                         if (state->type_A) {
2290                                 status = Write16(state, EC_VD_REG_SET_CODERATE__A, EC_VD_REG_SET_CODERATE_C2_3, 0x0000);
2291                                 if (status < 0)
2292                                         break;
2293                         }
2294                         break;
2295                 case FEC_3_4:
2296                         transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_3_4;
2297                         if (state->type_A) {
2298                                 status = Write16(state, EC_VD_REG_SET_CODERATE__A, EC_VD_REG_SET_CODERATE_C3_4, 0x0000);
2299                                 if (status < 0)
2300                                         break;
2301                         }
2302                         break;
2303                 case FEC_5_6:
2304                         transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_5_6;
2305                         if (state->type_A) {
2306                                 status = Write16(state, EC_VD_REG_SET_CODERATE__A, EC_VD_REG_SET_CODERATE_C5_6, 0x0000);
2307                                 if (status < 0)
2308                                         break;
2309                         }
2310                         break;
2311                 case FEC_7_8:
2312                         transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_7_8;
2313                         if (state->type_A) {
2314                                 status = Write16(state, EC_VD_REG_SET_CODERATE__A, EC_VD_REG_SET_CODERATE_C7_8, 0x0000);
2315                                 if (status < 0)
2316                                         break;
2317                         }
2318                         break;
2319                 }
2320                 status = status;
2321                 if (status < 0)
2322                         break;
2323
2324                 /* First determine real bandwidth (Hz) */
2325                 /* Also set delay for impulse noise cruncher (only A2) */
2326                 /* Also set parameters for EC_OC fix, note
2327                    EC_OC_REG_TMD_HIL_MAR is changed
2328                    by SC for fix for some 8K,1/8 guard but is restored by
2329                    InitEC and ResetEC
2330                    functions */
2331                 switch (p->bandwidth_hz) {
2332                 case 0:
2333                         p->bandwidth_hz = 8000000;
2334                         /* fall through */
2335                 case 8000000:
2336                         /* (64/7)*(8/8)*1000000 */
2337                         bandwidth = DRXD_BANDWIDTH_8MHZ_IN_HZ;
2338
2339                         bandwidthParam = 0;
2340                         status = Write16(state,
2341                                          FE_AG_REG_IND_DEL__A, 50, 0x0000);
2342                         break;
2343                 case 7000000:
2344                         /* (64/7)*(7/8)*1000000 */
2345                         bandwidth = DRXD_BANDWIDTH_7MHZ_IN_HZ;
2346                         bandwidthParam = 0x4807;        /*binary:0100 1000 0000 0111 */
2347                         status = Write16(state,
2348                                          FE_AG_REG_IND_DEL__A, 59, 0x0000);
2349                         break;
2350                 case 6000000:
2351                         /* (64/7)*(6/8)*1000000 */
2352                         bandwidth = DRXD_BANDWIDTH_6MHZ_IN_HZ;
2353                         bandwidthParam = 0x0F07;        /*binary: 0000 1111 0000 0111 */
2354                         status = Write16(state,
2355                                          FE_AG_REG_IND_DEL__A, 71, 0x0000);
2356                         break;
2357                 default:
2358                         status = -EINVAL;
2359                 }
2360                 if (status < 0)
2361                         break;
2362
2363                 status = Write16(state, SC_RA_RAM_BAND__A, bandwidthParam, 0x0000);
2364                 if (status < 0)
2365                         break;
2366
2367                 {
2368                         u16 sc_config;
2369                         status = Read16(state, SC_RA_RAM_CONFIG__A, &sc_config, 0);
2370                         if (status < 0)
2371                                 break;
2372
2373                         /* enable SLAVE mode in 2k 1/32 to
2374                            prevent timing change glitches */
2375                         if ((p->transmission_mode == TRANSMISSION_MODE_2K) &&
2376                             (p->guard_interval == GUARD_INTERVAL_1_32)) {
2377                                 /* enable slave */
2378                                 sc_config |= SC_RA_RAM_CONFIG_SLAVE__M;
2379                         } else {
2380                                 /* disable slave */
2381                                 sc_config &= ~SC_RA_RAM_CONFIG_SLAVE__M;
2382                         }
2383                         status = Write16(state, SC_RA_RAM_CONFIG__A, sc_config, 0);
2384                         if (status < 0)
2385                                 break;
2386                 }
2387
2388                 status = SetCfgNoiseCalibration(state, &state->noise_cal);
2389                 if (status < 0)
2390                         break;
2391
2392                 if (state->cscd_state == CSCD_INIT) {
2393                         /* switch on SRMM scan in SC */
2394                         status = Write16(state, SC_RA_RAM_SAMPLE_RATE_COUNT__A, DRXD_OSCDEV_DO_SCAN, 0x0000);
2395                         if (status < 0)
2396                                 break;
2397 /*            CHK_ERROR(Write16(SC_RA_RAM_SAMPLE_RATE_STEP__A, DRXD_OSCDEV_STEP, 0x0000));*/
2398                         state->cscd_state = CSCD_SET;
2399                 }
2400
2401                 /* Now compute FE_IF_REG_INCR */
2402                 /*((( SysFreq/BandWidth)/2)/2) -1) * 2^23) =>
2403                    ((SysFreq / BandWidth) * (2^21) ) - (2^23) */
2404                 feIfIncr = MulDiv32(state->sys_clock_freq * 1000,
2405                                     (1ULL << 21), bandwidth) - (1 << 23);
2406                 status = Write16(state, FE_IF_REG_INCR0__A, (u16) (feIfIncr & FE_IF_REG_INCR0__M), 0x0000);
2407                 if (status < 0)
2408                         break;
2409                 status = Write16(state, FE_IF_REG_INCR1__A, (u16) ((feIfIncr >> FE_IF_REG_INCR0__W) & FE_IF_REG_INCR1__M), 0x0000);
2410                 if (status < 0)
2411                         break;
2412                 /* Bandwidth setting done */
2413
2414                 /* Mirror & frequency offset */
2415                 SetFrequencyShift(state, off, mirrorFreqSpect);
2416
2417                 /* Start SC, write channel settings to SC */
2418
2419                 /* Enable SC after setting all other parameters */
2420                 status = Write16(state, SC_COMM_STATE__A, 0, 0x0000);
2421                 if (status < 0)
2422                         break;
2423                 status = Write16(state, SC_COMM_EXEC__A, 1, 0x0000);
2424                 if (status < 0)
2425                         break;
2426
2427                 /* Write SC parameter registers, operation mode */
2428 #if 1
2429                 operationMode = (SC_RA_RAM_OP_AUTO_MODE__M |
2430                                  SC_RA_RAM_OP_AUTO_GUARD__M |
2431                                  SC_RA_RAM_OP_AUTO_CONST__M |
2432                                  SC_RA_RAM_OP_AUTO_HIER__M |
2433                                  SC_RA_RAM_OP_AUTO_RATE__M);
2434 #endif
2435                 status = SC_SetPrefParamCommand(state, 0x0000, transmissionParams, operationMode);
2436                 if (status < 0)
2437                         break;
2438
2439                 /* Start correct processes to get in lock */
2440                 status = SC_ProcStartCommand(state, SC_RA_RAM_PROC_LOCKTRACK, SC_RA_RAM_SW_EVENT_RUN_NMASK__M, SC_RA_RAM_LOCKTRACK_MIN);
2441                 if (status < 0)
2442                         break;
2443
2444                 status = StartOC(state);
2445                 if (status < 0)
2446                         break;
2447
2448                 if (state->operation_mode != OM_Default) {
2449                         status = StartDiversity(state);
2450                         if (status < 0)
2451                                 break;
2452                 }
2453
2454                 state->drxd_state = DRXD_STARTED;
2455         } while (0);
2456
2457         return status;
2458 }
2459
2460 static int CDRXD(struct drxd_state *state, u32 IntermediateFrequency)
2461 {
2462         u32 ulRfAgcOutputLevel = 0xffffffff;
2463         u32 ulRfAgcSettleLevel = 528;   /* Optimum value for MT2060 */
2464         u32 ulRfAgcMinLevel = 0;        /* Currently unused */
2465         u32 ulRfAgcMaxLevel = DRXD_FE_CTRL_MAX; /* Currently unused */
2466         u32 ulRfAgcSpeed = 0;   /* Currently unused */
2467         u32 ulRfAgcMode = 0;    /*2;   Off */
2468         u32 ulRfAgcR1 = 820;
2469         u32 ulRfAgcR2 = 2200;
2470         u32 ulRfAgcR3 = 150;
2471         u32 ulIfAgcMode = 0;    /* Auto */
2472         u32 ulIfAgcOutputLevel = 0xffffffff;
2473         u32 ulIfAgcSettleLevel = 0xffffffff;
2474         u32 ulIfAgcMinLevel = 0xffffffff;
2475         u32 ulIfAgcMaxLevel = 0xffffffff;
2476         u32 ulIfAgcSpeed = 0xffffffff;
2477         u32 ulIfAgcR1 = 820;
2478         u32 ulIfAgcR2 = 2200;
2479         u32 ulIfAgcR3 = 150;
2480         u32 ulClock = state->config.clock;
2481         u32 ulSerialMode = 0;
2482         u32 ulEcOcRegOcModeLop = 4;     /* Dynamic DTO source */
2483         u32 ulHiI2cDelay = HI_I2C_DELAY;
2484         u32 ulHiI2cBridgeDelay = HI_I2C_BRIDGE_DELAY;
2485         u32 ulHiI2cPatch = 0;
2486         u32 ulEnvironment = APPENV_PORTABLE;
2487         u32 ulEnvironmentDiversity = APPENV_MOBILE;
2488         u32 ulIFFilter = IFFILTER_SAW;
2489
2490         state->if_agc_cfg.ctrlMode = AGC_CTRL_AUTO;
2491         state->if_agc_cfg.outputLevel = 0;
2492         state->if_agc_cfg.settleLevel = 140;
2493         state->if_agc_cfg.minOutputLevel = 0;
2494         state->if_agc_cfg.maxOutputLevel = 1023;
2495         state->if_agc_cfg.speed = 904;
2496
2497         if (ulIfAgcMode == 1 && ulIfAgcOutputLevel <= DRXD_FE_CTRL_MAX) {
2498                 state->if_agc_cfg.ctrlMode = AGC_CTRL_USER;
2499                 state->if_agc_cfg.outputLevel = (u16) (ulIfAgcOutputLevel);
2500         }
2501
2502         if (ulIfAgcMode == 0 &&
2503             ulIfAgcSettleLevel <= DRXD_FE_CTRL_MAX &&
2504             ulIfAgcMinLevel <= DRXD_FE_CTRL_MAX &&
2505             ulIfAgcMaxLevel <= DRXD_FE_CTRL_MAX &&
2506             ulIfAgcSpeed <= DRXD_FE_CTRL_MAX) {
2507                 state->if_agc_cfg.ctrlMode = AGC_CTRL_AUTO;
2508                 state->if_agc_cfg.settleLevel = (u16) (ulIfAgcSettleLevel);
2509                 state->if_agc_cfg.minOutputLevel = (u16) (ulIfAgcMinLevel);
2510                 state->if_agc_cfg.maxOutputLevel = (u16) (ulIfAgcMaxLevel);
2511                 state->if_agc_cfg.speed = (u16) (ulIfAgcSpeed);
2512         }
2513
2514         state->if_agc_cfg.R1 = (u16) (ulIfAgcR1);
2515         state->if_agc_cfg.R2 = (u16) (ulIfAgcR2);
2516         state->if_agc_cfg.R3 = (u16) (ulIfAgcR3);
2517
2518         state->rf_agc_cfg.R1 = (u16) (ulRfAgcR1);
2519         state->rf_agc_cfg.R2 = (u16) (ulRfAgcR2);
2520         state->rf_agc_cfg.R3 = (u16) (ulRfAgcR3);
2521
2522         state->rf_agc_cfg.ctrlMode = AGC_CTRL_AUTO;
2523         /* rest of the RFAgcCfg structure currently unused */
2524         if (ulRfAgcMode == 1 && ulRfAgcOutputLevel <= DRXD_FE_CTRL_MAX) {
2525                 state->rf_agc_cfg.ctrlMode = AGC_CTRL_USER;
2526                 state->rf_agc_cfg.outputLevel = (u16) (ulRfAgcOutputLevel);
2527         }
2528
2529         if (ulRfAgcMode == 0 &&
2530             ulRfAgcSettleLevel <= DRXD_FE_CTRL_MAX &&
2531             ulRfAgcMinLevel <= DRXD_FE_CTRL_MAX &&
2532             ulRfAgcMaxLevel <= DRXD_FE_CTRL_MAX &&
2533             ulRfAgcSpeed <= DRXD_FE_CTRL_MAX) {
2534                 state->rf_agc_cfg.ctrlMode = AGC_CTRL_AUTO;
2535                 state->rf_agc_cfg.settleLevel = (u16) (ulRfAgcSettleLevel);
2536                 state->rf_agc_cfg.minOutputLevel = (u16) (ulRfAgcMinLevel);
2537                 state->rf_agc_cfg.maxOutputLevel = (u16) (ulRfAgcMaxLevel);
2538                 state->rf_agc_cfg.speed = (u16) (ulRfAgcSpeed);
2539         }
2540
2541         if (ulRfAgcMode == 2)
2542                 state->rf_agc_cfg.ctrlMode = AGC_CTRL_OFF;
2543
2544         if (ulEnvironment <= 2)
2545                 state->app_env_default = (enum app_env)
2546                     (ulEnvironment);
2547         if (ulEnvironmentDiversity <= 2)
2548                 state->app_env_diversity = (enum app_env)
2549                     (ulEnvironmentDiversity);
2550
2551         if (ulIFFilter == IFFILTER_DISCRETE) {
2552                 /* discrete filter */
2553                 state->noise_cal.cpOpt = 0;
2554                 state->noise_cal.cpNexpOfs = 40;
2555                 state->noise_cal.tdCal2k = -40;
2556                 state->noise_cal.tdCal8k = -24;
2557         } else {
2558                 /* SAW filter */
2559                 state->noise_cal.cpOpt = 1;
2560                 state->noise_cal.cpNexpOfs = 0;
2561                 state->noise_cal.tdCal2k = -21;
2562                 state->noise_cal.tdCal8k = -24;
2563         }
2564         state->m_EcOcRegOcModeLop = (u16) (ulEcOcRegOcModeLop);
2565
2566         state->chip_adr = (state->config.demod_address << 1) | 1;
2567         switch (ulHiI2cPatch) {
2568         case 1:
2569                 state->m_HiI2cPatch = DRXD_HiI2cPatch_1;
2570                 break;
2571         case 3:
2572                 state->m_HiI2cPatch = DRXD_HiI2cPatch_3;
2573                 break;
2574         default:
2575                 state->m_HiI2cPatch = NULL;
2576         }
2577
2578         /* modify tuner and clock attributes */
2579         state->intermediate_freq = (u16) (IntermediateFrequency / 1000);
2580         /* expected system clock frequency in kHz */
2581         state->expected_sys_clock_freq = 48000;
2582         /* real system clock frequency in kHz */
2583         state->sys_clock_freq = 48000;
2584         state->osc_clock_freq = (u16) ulClock;
2585         state->osc_clock_deviation = 0;
2586         state->cscd_state = CSCD_INIT;
2587         state->drxd_state = DRXD_UNINITIALIZED;
2588
2589         state->PGA = 0;
2590         state->type_A = 0;
2591         state->tuner_mirrors = 0;
2592
2593         /* modify MPEG output attributes */
2594         state->insert_rs_byte = state->config.insert_rs_byte;
2595         state->enable_parallel = (ulSerialMode != 1);
2596
2597         /* Timing div, 250ns/Psys */
2598         /* Timing div, = ( delay (nano seconds) * sysclk (kHz) )/ 1000 */
2599
2600         state->hi_cfg_timing_div = (u16) ((state->sys_clock_freq / 1000) *
2601                                           ulHiI2cDelay) / 1000;
2602         /* Bridge delay, uses oscilator clock */
2603         /* Delay = ( delay (nano seconds) * oscclk (kHz) )/ 1000 */
2604         state->hi_cfg_bridge_delay = (u16) ((state->osc_clock_freq / 1000) *
2605                                             ulHiI2cBridgeDelay) / 1000;
2606
2607         state->m_FeAgRegAgPwd = DRXD_DEF_AG_PWD_CONSUMER;
2608         /* state->m_FeAgRegAgPwd = DRXD_DEF_AG_PWD_PRO; */
2609         state->m_FeAgRegAgAgcSio = DRXD_DEF_AG_AGC_SIO;
2610         return 0;
2611 }
2612
2613 static int DRXD_init(struct drxd_state *state, const u8 *fw, u32 fw_size)
2614 {
2615         int status = 0;
2616         u32 driverVersion;
2617
2618         if (state->init_done)
2619                 return 0;
2620
2621         CDRXD(state, state->config.IF ? state->config.IF : 36000000);
2622
2623         do {
2624                 state->operation_mode = OM_Default;
2625
2626                 status = SetDeviceTypeId(state);
2627                 if (status < 0)
2628                         break;
2629
2630                 /* Apply I2c address patch to B1 */
2631                 if (!state->type_A && state->m_HiI2cPatch != NULL) {
2632                         status = WriteTable(state, state->m_HiI2cPatch);
2633                         if (status < 0)
2634                                 break;
2635                 }
2636
2637                 if (state->type_A) {
2638                         /* HI firmware patch for UIO readout,
2639                            avoid clearing of result register */
2640                         status = Write16(state, 0x43012D, 0x047f, 0);
2641                         if (status < 0)
2642                                 break;
2643                 }
2644
2645                 status = HI_ResetCommand(state);
2646                 if (status < 0)
2647                         break;
2648
2649                 status = StopAllProcessors(state);
2650                 if (status < 0)
2651                         break;
2652                 status = InitCC(state);
2653                 if (status < 0)
2654                         break;
2655
2656                 state->osc_clock_deviation = 0;
2657
2658                 if (state->config.osc_deviation)
2659                         state->osc_clock_deviation =
2660                             state->config.osc_deviation(state->priv, 0, 0);
2661                 {
2662                         /* Handle clock deviation */
2663                         s32 devB;
2664                         s32 devA = (s32) (state->osc_clock_deviation) *
2665                             (s32) (state->expected_sys_clock_freq);
2666                         /* deviation in kHz */
2667                         s32 deviation = (devA / (1000000L));
2668                         /* rounding, signed */
2669                         if (devA > 0)
2670                                 devB = (2);
2671                         else
2672                                 devB = (-2);
2673                         if ((devB * (devA % 1000000L) > 1000000L)) {
2674                                 /* add +1 or -1 */
2675                                 deviation += (devB / 2);
2676                         }
2677
2678                         state->sys_clock_freq =
2679                             (u16) ((state->expected_sys_clock_freq) +
2680                                    deviation);
2681                 }
2682                 status = InitHI(state);
2683                 if (status < 0)
2684                         break;
2685                 status = InitAtomicRead(state);
2686                 if (status < 0)
2687                         break;
2688
2689                 status = EnableAndResetMB(state);
2690                 if (status < 0)
2691                         break;
2692                 if (state->type_A) {
2693                         status = ResetCEFR(state);
2694                         if (status < 0)
2695                                 break;
2696                 }
2697                 if (fw) {
2698                         status = DownloadMicrocode(state, fw, fw_size);
2699                         if (status < 0)
2700                                 break;
2701                 } else {
2702                         status = DownloadMicrocode(state, state->microcode, state->microcode_length);
2703                         if (status < 0)
2704                                 break;
2705                 }
2706
2707                 if (state->PGA) {
2708                         state->m_FeAgRegAgPwd = DRXD_DEF_AG_PWD_PRO;
2709                         SetCfgPga(state, 0);    /* PGA = 0 dB */
2710                 } else {
2711                         state->m_FeAgRegAgPwd = DRXD_DEF_AG_PWD_CONSUMER;
2712                 }
2713
2714                 state->m_FeAgRegAgAgcSio = DRXD_DEF_AG_AGC_SIO;
2715
2716                 status = InitFE(state);
2717                 if (status < 0)
2718                         break;
2719                 status = InitFT(state);
2720                 if (status < 0)
2721                         break;
2722                 status = InitCP(state);
2723                 if (status < 0)
2724                         break;
2725                 status = InitCE(state);
2726                 if (status < 0)
2727                         break;
2728                 status = InitEQ(state);
2729                 if (status < 0)
2730                         break;
2731                 status = InitEC(state);
2732                 if (status < 0)
2733                         break;
2734                 status = InitSC(state);
2735                 if (status < 0)
2736                         break;
2737
2738                 status = SetCfgIfAgc(state, &state->if_agc_cfg);
2739                 if (status < 0)
2740                         break;
2741                 status = SetCfgRfAgc(state, &state->rf_agc_cfg);
2742                 if (status < 0)
2743                         break;
2744
2745                 state->cscd_state = CSCD_INIT;
2746                 status = Write16(state, SC_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0);
2747                 if (status < 0)
2748                         break;
2749                 status = Write16(state, LC_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0);
2750                 if (status < 0)
2751                         break;
2752
2753                 driverVersion = (((VERSION_MAJOR / 10) << 4) +
2754                                  (VERSION_MAJOR % 10)) << 24;
2755                 driverVersion += (((VERSION_MINOR / 10) << 4) +
2756                                   (VERSION_MINOR % 10)) << 16;
2757                 driverVersion += ((VERSION_PATCH / 1000) << 12) +
2758                     ((VERSION_PATCH / 100) << 8) +
2759                     ((VERSION_PATCH / 10) << 4) + (VERSION_PATCH % 10);
2760
2761                 status = Write32(state, SC_RA_RAM_DRIVER_VERSION__AX, driverVersion, 0);
2762                 if (status < 0)
2763                         break;
2764
2765                 status = StopOC(state);
2766                 if (status < 0)
2767                         break;
2768
2769                 state->drxd_state = DRXD_STOPPED;
2770                 state->init_done = 1;
2771                 status = 0;
2772         } while (0);
2773         return status;
2774 }
2775
2776 static int DRXD_status(struct drxd_state *state, u32 *pLockStatus)
2777 {
2778         DRX_GetLockStatus(state, pLockStatus);
2779
2780         /*if (*pLockStatus&DRX_LOCK_MPEG) */
2781         if (*pLockStatus & DRX_LOCK_FEC) {
2782                 ConfigureMPEGOutput(state, 1);
2783                 /* Get status again, in case we have MPEG lock now */
2784                 /*DRX_GetLockStatus(state, pLockStatus); */
2785         }
2786
2787         return 0;
2788 }
2789
2790 /****************************************************************************/
2791 /****************************************************************************/
2792 /****************************************************************************/
2793
2794 static int drxd_read_signal_strength(struct dvb_frontend *fe, u16 * strength)
2795 {
2796         struct drxd_state *state = fe->demodulator_priv;
2797         u32 value;
2798         int res;
2799
2800         res = ReadIFAgc(state, &value);
2801         if (res < 0)
2802                 *strength = 0;
2803         else
2804                 *strength = 0xffff - (value << 4);
2805         return 0;
2806 }
2807
2808 static int drxd_read_status(struct dvb_frontend *fe, enum fe_status *status)
2809 {
2810         struct drxd_state *state = fe->demodulator_priv;
2811         u32 lock;
2812
2813         DRXD_status(state, &lock);
2814         *status = 0;
2815         /* No MPEG lock in V255 firmware, bug ? */
2816 #if 1
2817         if (lock & DRX_LOCK_MPEG)
2818                 *status |= FE_HAS_LOCK;
2819 #else
2820         if (lock & DRX_LOCK_FEC)
2821                 *status |= FE_HAS_LOCK;
2822 #endif
2823         if (lock & DRX_LOCK_FEC)
2824                 *status |= FE_HAS_VITERBI | FE_HAS_SYNC;
2825         if (lock & DRX_LOCK_DEMOD)
2826                 *status |= FE_HAS_CARRIER | FE_HAS_SIGNAL;
2827
2828         return 0;
2829 }
2830
2831 static int drxd_init(struct dvb_frontend *fe)
2832 {
2833         struct drxd_state *state = fe->demodulator_priv;
2834
2835         return DRXD_init(state, NULL, 0);
2836 }
2837
2838 static int drxd_config_i2c(struct dvb_frontend *fe, int onoff)
2839 {
2840         struct drxd_state *state = fe->demodulator_priv;
2841
2842         if (state->config.disable_i2c_gate_ctrl == 1)
2843                 return 0;
2844
2845         return DRX_ConfigureI2CBridge(state, onoff);
2846 }
2847
2848 static int drxd_get_tune_settings(struct dvb_frontend *fe,
2849                                   struct dvb_frontend_tune_settings *sets)
2850 {
2851         sets->min_delay_ms = 10000;
2852         sets->max_drift = 0;
2853         sets->step_size = 0;
2854         return 0;
2855 }
2856
2857 static int drxd_read_ber(struct dvb_frontend *fe, u32 * ber)
2858 {
2859         *ber = 0;
2860         return 0;
2861 }
2862
2863 static int drxd_read_snr(struct dvb_frontend *fe, u16 * snr)
2864 {
2865         *snr = 0;
2866         return 0;
2867 }
2868
2869 static int drxd_read_ucblocks(struct dvb_frontend *fe, u32 * ucblocks)
2870 {
2871         *ucblocks = 0;
2872         return 0;
2873 }
2874
2875 static int drxd_sleep(struct dvb_frontend *fe)
2876 {
2877         struct drxd_state *state = fe->demodulator_priv;
2878
2879         ConfigureMPEGOutput(state, 0);
2880         return 0;
2881 }
2882
2883 static int drxd_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
2884 {
2885         return drxd_config_i2c(fe, enable);
2886 }
2887
2888 static int drxd_set_frontend(struct dvb_frontend *fe)
2889 {
2890         struct dtv_frontend_properties *p = &fe->dtv_property_cache;
2891         struct drxd_state *state = fe->demodulator_priv;
2892         s32 off = 0;
2893
2894         state->props = *p;
2895         DRX_Stop(state);
2896
2897         if (fe->ops.tuner_ops.set_params) {
2898                 fe->ops.tuner_ops.set_params(fe);
2899                 if (fe->ops.i2c_gate_ctrl)
2900                         fe->ops.i2c_gate_ctrl(fe, 0);
2901         }
2902
2903         msleep(200);
2904
2905         return DRX_Start(state, off);
2906 }
2907
2908 static void drxd_release(struct dvb_frontend *fe)
2909 {
2910         struct drxd_state *state = fe->demodulator_priv;
2911
2912         kfree(state);
2913 }
2914
2915 static const struct dvb_frontend_ops drxd_ops = {
2916         .delsys = { SYS_DVBT},
2917         .info = {
2918                  .name = "Micronas DRXD DVB-T",
2919                  .frequency_min = 47125000,
2920                  .frequency_max = 855250000,
2921                  .frequency_stepsize = 166667,
2922                  .frequency_tolerance = 0,
2923                  .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |
2924                  FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
2925                  FE_CAN_FEC_AUTO |
2926                  FE_CAN_QAM_16 | FE_CAN_QAM_64 |
2927                  FE_CAN_QAM_AUTO |
2928                  FE_CAN_TRANSMISSION_MODE_AUTO |
2929                  FE_CAN_GUARD_INTERVAL_AUTO |
2930                  FE_CAN_HIERARCHY_AUTO | FE_CAN_RECOVER | FE_CAN_MUTE_TS},
2931
2932         .release = drxd_release,
2933         .init = drxd_init,
2934         .sleep = drxd_sleep,
2935         .i2c_gate_ctrl = drxd_i2c_gate_ctrl,
2936
2937         .set_frontend = drxd_set_frontend,
2938         .get_tune_settings = drxd_get_tune_settings,
2939
2940         .read_status = drxd_read_status,
2941         .read_ber = drxd_read_ber,
2942         .read_signal_strength = drxd_read_signal_strength,
2943         .read_snr = drxd_read_snr,
2944         .read_ucblocks = drxd_read_ucblocks,
2945 };
2946
2947 struct dvb_frontend *drxd_attach(const struct drxd_config *config,
2948                                  void *priv, struct i2c_adapter *i2c,
2949                                  struct device *dev)
2950 {
2951         struct drxd_state *state = NULL;
2952
2953         state = kzalloc(sizeof(*state), GFP_KERNEL);
2954         if (!state)
2955                 return NULL;
2956
2957         state->ops = drxd_ops;
2958         state->dev = dev;
2959         state->config = *config;
2960         state->i2c = i2c;
2961         state->priv = priv;
2962
2963         mutex_init(&state->mutex);
2964
2965         if (Read16(state, 0, NULL, 0) < 0)
2966                 goto error;
2967
2968         state->frontend.ops = drxd_ops;
2969         state->frontend.demodulator_priv = state;
2970         ConfigureMPEGOutput(state, 0);
2971         /* add few initialization to allow gate control */
2972         CDRXD(state, state->config.IF ? state->config.IF : 36000000);
2973         InitHI(state);
2974
2975         return &state->frontend;
2976
2977 error:
2978         printk(KERN_ERR "drxd: not found\n");
2979         kfree(state);
2980         return NULL;
2981 }
2982 EXPORT_SYMBOL(drxd_attach);
2983
2984 MODULE_DESCRIPTION("DRXD driver");
2985 MODULE_AUTHOR("Micronas");
2986 MODULE_LICENSE("GPL");