LXR linux/drivers/media/dvb/frontends/stv0900

   1/*
   2 * stv0900_priv.h
   3 *
   4 * Driver for ST STV0900 satellite demodulator IC.
   5 *
   6 * Copyright (C) ST Microelectronics.
   7 * Copyright (C) 2009 NetUP Inc.
   8 * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
   9 *
  10 * This program is free software; you can redistribute it and/or modify
  11 * it under the terms of the GNU General Public License as published by
  12 * the Free Software Foundation; either version 2 of the License, or
  13 * (at your option) any later version.
  14 *
  15 * This program is distributed in the hope that it will be useful,
  16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 *
  19 * GNU General Public License for more details.
  20 *
  21 * You should have received a copy of the GNU General Public License
  22 * along with this program; if not, write to the Free Software
  23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  24 */
  25
  26#ifndef STV0900_PRIV_H
  27#define STV0900_PRIV_H
  28
  29#include <linux/i2c.h>
  30
  31#define ABS(X) ((X) < 0 ? (-1 * (X)) : (X))
  32#define INRANGE(X, Y, Z) ((((X) <= (Y)) && ((Y) <= (Z))) \
  33                || (((Z) <= (Y)) && ((Y) <= (X))) ? 1 : 0)
  34
  35#ifndef MAKEWORD
  36#define MAKEWORD(X, Y) (((X) << 8) + (Y))
  37#endif
  38
  39#define LSB(X) (((X) & 0xFF))
  40#define MSB(Y) (((Y) >> 8) & 0xFF)
  41
  42#ifndef TRUE
  43#define TRUE (1 == 1)
  44#endif
  45#ifndef FALSE
  46#define FALSE (!TRUE)
  47#endif
  48
  49#define dprintk(args...) \
  50        do { \
  51                if (stvdebug) \
  52                        printk(KERN_DEBUG args); \
  53        } while (0)
  54
  55#define STV0900_MAXLOOKUPSIZE 500
  56#define STV0900_BLIND_SEARCH_AGC2_TH 700
  57#define STV0900_BLIND_SEARCH_AGC2_TH_CUT30 1400
  58#define IQPOWER_THRESHOLD  30
  59
  60/* One point of the lookup table */
  61struct stv000_lookpoint {
  62        s32 realval;/* real value */
  63        s32 regval;/* binary value */
  64};
  65
  66/* Lookup table definition */
  67struct stv0900_table{
  68        s32 size;/* Size of the lookup table */
  69        struct stv000_lookpoint table[STV0900_MAXLOOKUPSIZE];/* Lookup table */
  70};
  71
  72enum fe_stv0900_error {
  73        STV0900_NO_ERROR = 0,
  74        STV0900_INVALID_HANDLE,
  75        STV0900_BAD_PARAMETER,
  76        STV0900_I2C_ERROR,
  77        STV0900_SEARCH_FAILED,
  78};
  79
  80enum fe_stv0900_clock_type {
  81        STV0900_USE_REGISTERS_DEFAULT,
  82        STV0900_SERIAL_PUNCT_CLOCK,/*Serial punctured clock */
  83        STV0900_SERIAL_CONT_CLOCK,/*Serial continues clock */
  84        STV0900_PARALLEL_PUNCT_CLOCK,/*Parallel punctured clock */
  85        STV0900_DVBCI_CLOCK/*Parallel continues clock : DVBCI */
  86};
  87
  88enum fe_stv0900_search_state {
  89        STV0900_SEARCH = 0,
  90        STV0900_PLH_DETECTED,
  91        STV0900_DVBS2_FOUND,
  92        STV0900_DVBS_FOUND
  93
  94};
  95
  96enum fe_stv0900_ldpc_state {
  97        STV0900_PATH1_OFF_PATH2_OFF = 0,
  98        STV0900_PATH1_ON_PATH2_OFF = 1,
  99        STV0900_PATH1_OFF_PATH2_ON = 2,
 100        STV0900_PATH1_ON_PATH2_ON = 3
 101};
 102
 103enum fe_stv0900_signal_type {
 104        STV0900_NOAGC1 = 0,
 105        STV0900_AGC1OK,
 106        STV0900_NOTIMING,
 107        STV0900_ANALOGCARRIER,
 108        STV0900_TIMINGOK,
 109        STV0900_NOAGC2,
 110        STV0900_AGC2OK,
 111        STV0900_NOCARRIER,
 112        STV0900_CARRIEROK,
 113        STV0900_NODATA,
 114        STV0900_DATAOK,
 115        STV0900_OUTOFRANGE,
 116        STV0900_RANGEOK
 117};
 118
 119enum fe_stv0900_demod_num {
 120        STV0900_DEMOD_1,
 121        STV0900_DEMOD_2
 122};
 123
 124enum fe_stv0900_tracking_standard {
 125        STV0900_DVBS1_STANDARD,/* Found Standard*/
 126        STV0900_DVBS2_STANDARD,
 127        STV0900_DSS_STANDARD,
 128        STV0900_TURBOCODE_STANDARD,
 129        STV0900_UNKNOWN_STANDARD
 130};
 131
 132enum fe_stv0900_search_standard {
 133        STV0900_AUTO_SEARCH,
 134        STV0900_SEARCH_DVBS1,/* Search Standard*/
 135        STV0900_SEARCH_DVBS2,
 136        STV0900_SEARCH_DSS,
 137        STV0900_SEARCH_TURBOCODE
 138};
 139
 140enum fe_stv0900_search_algo {
 141        STV0900_BLIND_SEARCH,/* offset freq and SR are Unknown */
 142        STV0900_COLD_START,/* only the SR is known */
 143        STV0900_WARM_START/* offset freq and SR are known */
 144};
 145
 146enum fe_stv0900_modulation {
 147        STV0900_QPSK,
 148        STV0900_8PSK,
 149        STV0900_16APSK,
 150        STV0900_32APSK,
 151        STV0900_UNKNOWN
 152};
 153
 154enum fe_stv0900_modcode {
 155        STV0900_DUMMY_PLF,
 156        STV0900_QPSK_14,
 157        STV0900_QPSK_13,
 158        STV0900_QPSK_25,
 159        STV0900_QPSK_12,
 160        STV0900_QPSK_35,
 161        STV0900_QPSK_23,
 162        STV0900_QPSK_34,
 163        STV0900_QPSK_45,
 164        STV0900_QPSK_56,
 165        STV0900_QPSK_89,
 166        STV0900_QPSK_910,
 167        STV0900_8PSK_35,
 168        STV0900_8PSK_23,
 169        STV0900_8PSK_34,
 170        STV0900_8PSK_56,
 171        STV0900_8PSK_89,
 172        STV0900_8PSK_910,
 173        STV0900_16APSK_23,
 174        STV0900_16APSK_34,
 175        STV0900_16APSK_45,
 176        STV0900_16APSK_56,
 177        STV0900_16APSK_89,
 178        STV0900_16APSK_910,
 179        STV0900_32APSK_34,
 180        STV0900_32APSK_45,
 181        STV0900_32APSK_56,
 182        STV0900_32APSK_89,
 183        STV0900_32APSK_910,
 184        STV0900_MODCODE_UNKNOWN
 185};
 186
 187enum fe_stv0900_fec {/*DVBS1, DSS and turbo code puncture rate*/
 188        STV0900_FEC_1_2 = 0,
 189        STV0900_FEC_2_3,
 190        STV0900_FEC_3_4,
 191        STV0900_FEC_4_5,/*for turbo code only*/
 192        STV0900_FEC_5_6,
 193        STV0900_FEC_6_7,/*for DSS only */
 194        STV0900_FEC_7_8,
 195        STV0900_FEC_8_9,/*for turbo code only*/
 196        STV0900_FEC_UNKNOWN
 197};
 198
 199enum fe_stv0900_frame_length {
 200        STV0900_LONG_FRAME,
 201        STV0900_SHORT_FRAME
 202};
 203
 204enum fe_stv0900_pilot {
 205        STV0900_PILOTS_OFF,
 206        STV0900_PILOTS_ON
 207};
 208
 209enum fe_stv0900_rolloff {
 210        STV0900_35,
 211        STV0900_25,
 212        STV0900_20
 213};
 214
 215enum fe_stv0900_search_iq {
 216        STV0900_IQ_AUTO,
 217        STV0900_IQ_AUTO_NORMAL_FIRST,
 218        STV0900_IQ_FORCE_NORMAL,
 219        STV0900_IQ_FORCE_SWAPPED
 220};
 221
 222enum stv0900_iq_inversion {
 223        STV0900_IQ_NORMAL,
 224        STV0900_IQ_SWAPPED
 225};
 226
 227enum fe_stv0900_diseqc_mode {
 228        STV0900_22KHZ_Continues = 0,
 229        STV0900_DISEQC_2_3_PWM = 2,
 230        STV0900_DISEQC_3_3_PWM = 3,
 231        STV0900_DISEQC_2_3_ENVELOP = 4,
 232        STV0900_DISEQC_3_3_ENVELOP = 5
 233};
 234
 235enum fe_stv0900_demod_mode {
 236        STV0900_SINGLE = 0,
 237        STV0900_DUAL
 238};
 239
 240struct stv0900_init_params{
 241        u32     dmd_ref_clk;/* Refrence,Input clock for the demod in Hz */
 242
 243        /* Demodulator Type (single demod or dual demod) */
 244        enum fe_stv0900_demod_mode      demod_mode;
 245        enum fe_stv0900_rolloff         rolloff;
 246        enum fe_stv0900_clock_type      path1_ts_clock;
 247
 248        u8      tun1_maddress;
 249        int     tuner1_adc;
 250        int     tuner1_type;
 251
 252        /* IQ from the tuner1 to the demod */
 253        enum stv0900_iq_inversion       tun1_iq_inv;
 254        enum fe_stv0900_clock_type      path2_ts_clock;
 255
 256        u8      tun2_maddress;
 257        int     tuner2_adc;
 258        int     tuner2_type;
 259
 260        /* IQ from the tuner2 to the demod */
 261        enum stv0900_iq_inversion       tun2_iq_inv;
 262        struct stv0900_reg              *ts_config;
 263};
 264
 265struct stv0900_search_params {
 266        enum fe_stv0900_demod_num       path;/* Path Used demod1 or 2 */
 267
 268        u32     frequency;/* Transponder frequency (in KHz) */
 269        u32     symbol_rate;/* Transponder symbol rate  (in bds)*/
 270        u32     search_range;/* Range of the search (in Hz) */
 271
 272        enum fe_stv0900_search_standard standard;
 273        enum fe_stv0900_modulation      modulation;
 274        enum fe_stv0900_fec             fec;
 275        enum fe_stv0900_modcode         modcode;
 276        enum fe_stv0900_search_iq       iq_inversion;
 277        enum fe_stv0900_search_algo     search_algo;
 278
 279};
 280
 281struct stv0900_signal_info {
 282        int     locked;/* Transponder locked */
 283        u32     frequency;/* Transponder frequency (in KHz) */
 284        u32     symbol_rate;/* Transponder symbol rate  (in Mbds) */
 285
 286        enum fe_stv0900_tracking_standard       standard;
 287        enum fe_stv0900_fec                     fec;
 288        enum fe_stv0900_modcode                 modcode;
 289        enum fe_stv0900_modulation              modulation;
 290        enum fe_stv0900_pilot                   pilot;
 291        enum fe_stv0900_frame_length            frame_len;
 292        enum stv0900_iq_inversion               spectrum;
 293        enum fe_stv0900_rolloff                 rolloff;
 294
 295        s32 Power;/* Power of the RF signal (dBm) */
 296        s32 C_N;/* Carrier to noise ratio (dB x10)*/
 297        u32 BER;/* Bit error rate (x10^7) */
 298
 299};
 300
 301struct stv0900_internal{
 302        s32     quartz;
 303        s32     mclk;
 304        /* manual RollOff for DVBS1/DSS only */
 305        enum fe_stv0900_rolloff         rolloff;
 306        /* Demodulator use for single demod or for dual demod) */
 307        enum fe_stv0900_demod_mode      demod_mode;
 308
 309        /*Demods */
 310        s32     freq[2];
 311        s32     bw[2];
 312        s32     symbol_rate[2];
 313        s32     srch_range[2];
 314        /* for software/auto tuner */
 315        int     tuner_type[2];
 316
 317        /* algorithm for search Blind, Cold or Warm*/
 318        enum fe_stv0900_search_algo     srch_algo[2];
 319        /* search standard: Auto, DVBS1/DSS only or DVBS2 only*/
 320        enum fe_stv0900_search_standard srch_standard[2];
 321        /* inversion search : auto, auto norma first, normal or inverted */
 322        enum fe_stv0900_search_iq       srch_iq_inv[2];
 323        enum fe_stv0900_modcode         modcode[2];
 324        enum fe_stv0900_modulation      modulation[2];
 325        enum fe_stv0900_fec             fec[2];
 326
 327        struct stv0900_signal_info      result[2];
 328        enum fe_stv0900_error           err[2];
 329
 330
 331        struct i2c_adapter      *i2c_adap;
 332        u8                      i2c_addr;
 333        u8                      clkmode;/* 0 for CLKI, 2 for XTALI */
 334        u8                      chip_id;
 335        struct stv0900_reg      *ts_config;
 336        enum fe_stv0900_error   errs;
 337        int dmds_used;
 338};
 339
 340/* state for each demod */
 341struct stv0900_state {
 342        /* pointer for internal params, one for each pair of demods */
 343        struct stv0900_internal         *internal;
 344        struct i2c_adapter              *i2c_adap;
 345        const struct stv0900_config     *config;
 346        struct dvb_frontend             frontend;
 347        int demod;
 348};
 349
 350extern int stvdebug;
 351
 352extern s32 ge2comp(s32 a, s32 width);
 353
 354extern void stv0900_write_reg(struct stv0900_internal *i_params,
 355                                u16 reg_addr, u8 reg_data);
 356
 357extern u8 stv0900_read_reg(struct stv0900_internal *i_params,
 358                                u16 reg_addr);
 359
 360extern void stv0900_write_bits(struct stv0900_internal *i_params,
 361                                u32 label, u8 val);
 362
 363extern u8 stv0900_get_bits(struct stv0900_internal *i_params,
 364                                u32 label);
 365
 366extern int stv0900_get_demod_lock(struct stv0900_internal *i_params,
 367                                enum fe_stv0900_demod_num demod, s32 time_out);
 368extern int stv0900_check_signal_presence(struct stv0900_internal *i_params,
 369                                enum fe_stv0900_demod_num demod);
 370
 371extern enum fe_stv0900_signal_type stv0900_algo(struct dvb_frontend *fe);
 372
 373extern void stv0900_set_tuner(struct dvb_frontend *fe, u32 frequency,
 374                                u32 bandwidth);
 375extern void stv0900_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth);
 376
 377extern void stv0900_start_search(struct stv0900_internal *i_params,
 378                                enum fe_stv0900_demod_num demod);
 379
 380extern u8 stv0900_get_optim_carr_loop(s32 srate,
 381                                enum fe_stv0900_modcode modcode,
 382                                s32 pilot, u8 chip_id);
 383
 384extern u8 stv0900_get_optim_short_carr_loop(s32 srate,
 385                                enum fe_stv0900_modulation modulation,
 386                                u8 chip_id);
 387
 388extern void stv0900_stop_all_s2_modcod(struct stv0900_internal *i_params,
 389                                enum fe_stv0900_demod_num demod);
 390
 391extern void stv0900_activate_s2_modcod(struct stv0900_internal *i_params,
 392                                enum fe_stv0900_demod_num demod);
 393
 394extern void stv0900_activate_s2_modcod_single(struct stv0900_internal *i_params,
 395                                enum fe_stv0900_demod_num demod);
 396
 397extern enum
 398fe_stv0900_tracking_standard stv0900_get_standard(struct dvb_frontend *fe,
 399                                enum fe_stv0900_demod_num demod);
 400
 401extern u32
 402stv0900_get_freq_auto(struct stv0900_internal *intp, int demod);
 403
 404extern void
 405stv0900_set_tuner_auto(struct stv0900_internal *intp, u32 Frequency,
 406                                                u32 Bandwidth, int demod);
 407
 408#endif
 409