drivers/media/dvb-frontends/stv0900_priv.h

   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 */
  61 struct stv000_lookpoint {
  62         s32 realval;/* real value */
  63         s32 regval;/* binary value */
  64 };
  65
  66 /* Lookup table definition */
  67 struct stv0900_table{
  68         s32 size;/* Size of the lookup table */
  69         struct stv000_lookpoint table[STV0900_MAXLOOKUPSIZE];/* Lookup table */
  70 };
  71
  72 enum 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
  80 enum 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
  88 enum fe_stv0900_search_state {
  89         STV0900_SEARCH = 0,
  90         STV0900_PLH_DETECTED,
  91         STV0900_DVBS2_FOUND,
  92         STV0900_DVBS_FOUND
  93
  94 };
  95
  96 enum 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
 103 enum 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
 119 enum fe_stv0900_demod_num {
 120         STV0900_DEMOD_1,
 121         STV0900_DEMOD_2
 122 };
 123
 124 enum 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
 132 enum 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
 140 enum 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
 146 enum fe_stv0900_modulation {
 147         STV0900_QPSK,
 148         STV0900_8PSK,
 149         STV0900_16APSK,
 150         STV0900_32APSK,
 151         STV0900_UNKNOWN
 152 };
 153
 154 enum 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
 187 enum 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
 199 enum fe_stv0900_frame_length {
 200         STV0900_LONG_FRAME,
 201         STV0900_SHORT_FRAME
 202 };
 203
 204 enum fe_stv0900_pilot {
 205         STV0900_PILOTS_OFF,
 206         STV0900_PILOTS_ON
 207 };
 208
 209 enum fe_stv0900_rolloff {
 210         STV0900_35,
 211         STV0900_25,
 212         STV0900_20
 213 };
 214
 215 enum 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
 222 enum stv0900_iq_inversion {
 223         STV0900_IQ_NORMAL,
 224         STV0900_IQ_SWAPPED
 225 };
 226
 227 enum 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
 235 enum fe_stv0900_demod_mode {
 236         STV0900_SINGLE = 0,
 237         STV0900_DUAL
 238 };
 239
 240 struct stv0900_init_params{
 241         u32     dmd_ref_clk;/* Reference,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
 265 struct 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
 281 struct 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
 301 struct 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 */
 341 struct 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
 350 extern int stvdebug;
 351
 352 extern s32 ge2comp(s32 a, s32 width);
 353
 354 extern void stv0900_write_reg(struct stv0900_internal *i_params,
 355                                 u16 reg_addr, u8 reg_data);
 356
 357 extern u8 stv0900_read_reg(struct stv0900_internal *i_params,
 358                                 u16 reg_addr);
 359
 360 extern void stv0900_write_bits(struct stv0900_internal *i_params,
 361                                 u32 label, u8 val);
 362
 363 extern u8 stv0900_get_bits(struct stv0900_internal *i_params,
 364                                 u32 label);
 365
 366 extern int stv0900_get_demod_lock(struct stv0900_internal *i_params,
 367                                 enum fe_stv0900_demod_num demod, s32 time_out);
 368 extern int stv0900_check_signal_presence(struct stv0900_internal *i_params,
 369                                 enum fe_stv0900_demod_num demod);
 370
 371 extern enum fe_stv0900_signal_type stv0900_algo(struct dvb_frontend *fe);
 372
 373 extern void stv0900_set_tuner(struct dvb_frontend *fe, u32 frequency,
 374                                 u32 bandwidth);
 375 extern void stv0900_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth);
 376
 377 extern void stv0900_start_search(struct stv0900_internal *i_params,
 378                                 enum fe_stv0900_demod_num demod);
 379
 380 extern u8 stv0900_get_optim_carr_loop(s32 srate,
 381                                 enum fe_stv0900_modcode modcode,
 382                                 s32 pilot, u8 chip_id);
 383
 384 extern u8 stv0900_get_optim_short_carr_loop(s32 srate,
 385                                 enum fe_stv0900_modulation modulation,
 386                                 u8 chip_id);
 387
 388 extern void stv0900_stop_all_s2_modcod(struct stv0900_internal *i_params,
 389                                 enum fe_stv0900_demod_num demod);
 390
 391 extern void stv0900_activate_s2_modcod(struct stv0900_internal *i_params,
 392                                 enum fe_stv0900_demod_num demod);
 393
 394 extern void stv0900_activate_s2_modcod_single(struct stv0900_internal *i_params,
 395                                 enum fe_stv0900_demod_num demod);
 396
 397 extern enum
 398 fe_stv0900_tracking_standard stv0900_get_standard(struct dvb_frontend *fe,
 399                                 enum fe_stv0900_demod_num demod);
 400
 401 extern u32
 402 stv0900_get_freq_auto(struct stv0900_internal *intp, int demod);
 403
 404 extern void
 405 stv0900_set_tuner_auto(struct stv0900_internal *intp, u32 Frequency,
 406                                                 u32 Bandwidth, int demod);
 407
 408 #endif