4 * Driver for ST STV0900 satellite demodulator IC.
6 * Copyright (C) ST Microelectronics.
7 * Copyright (C) 2009 NetUP Inc.
8 * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
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.
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
19 * GNU General Public License for more details.
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.
26 #ifndef STV0900_PRIV_H
27 #define STV0900_PRIV_H
29 #include <linux/i2c.h>
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)
36 #define MAKEWORD(X, Y) (((X) << 8) + (Y))
39 #define LSB(X) (((X) & 0xFF))
40 #define MSB(Y) (((Y) >> 8) & 0xFF)
49 #define dmd_reg(a, b, c) \
53 case STV0900_DEMOD_1: \
57 case STV0900_DEMOD_2: \
65 #define dprintk(args...) \
68 printk(KERN_DEBUG args); \
71 #define STV0900_MAXLOOKUPSIZE 500
72 #define STV0900_BLIND_SEARCH_AGC2_TH 700
74 /* One point of the lookup table */
75 struct stv000_lookpoint {
76 s32 realval;/* real value */
77 s32 regval;/* binary value */
80 /* Lookup table definition */
82 s32 size;/* Size of the lookup table */
83 struct stv000_lookpoint table[STV0900_MAXLOOKUPSIZE];/* Lookup table */
86 enum fe_stv0900_error {
88 STV0900_INVALID_HANDLE,
89 STV0900_BAD_PARAMETER,
91 STV0900_SEARCH_FAILED,
94 enum fe_stv0900_clock_type {
95 STV0900_USE_REGISTERS_DEFAULT,
96 STV0900_SERIAL_PUNCT_CLOCK,/*Serial punctured clock */
97 STV0900_SERIAL_CONT_CLOCK,/*Serial continues clock */
98 STV0900_PARALLEL_PUNCT_CLOCK,/*Parallel punctured clock */
99 STV0900_DVBCI_CLOCK/*Parallel continues clock : DVBCI */
102 enum fe_stv0900_search_state {
104 STV0900_PLH_DETECTED,
110 enum fe_stv0900_ldpc_state {
111 STV0900_PATH1_OFF_PATH2_OFF = 0,
112 STV0900_PATH1_ON_PATH2_OFF = 1,
113 STV0900_PATH1_OFF_PATH2_ON = 2,
114 STV0900_PATH1_ON_PATH2_ON = 3
117 enum fe_stv0900_signal_type {
121 STV0900_ANALOGCARRIER,
133 enum fe_stv0900_demod_num {
138 enum fe_stv0900_tracking_standard {
139 STV0900_DVBS1_STANDARD,/* Found Standard*/
140 STV0900_DVBS2_STANDARD,
141 STV0900_DSS_STANDARD,
142 STV0900_TURBOCODE_STANDARD,
143 STV0900_UNKNOWN_STANDARD
146 enum fe_stv0900_search_standard {
148 STV0900_SEARCH_DVBS1,/* Search Standard*/
149 STV0900_SEARCH_DVBS2,
151 STV0900_SEARCH_TURBOCODE
154 enum fe_stv0900_search_algo {
155 STV0900_BLIND_SEARCH,/* offset freq and SR are Unknown */
156 STV0900_COLD_START,/* only the SR is known */
157 STV0900_WARM_START/* offset freq and SR are known */
160 enum fe_stv0900_modulation {
168 enum fe_stv0900_modcode {
198 STV0900_MODCODE_UNKNOWN
201 enum fe_stv0900_fec {/*DVBS1, DSS and turbo code puncture rate*/
205 STV0900_FEC_4_5,/*for turbo code only*/
207 STV0900_FEC_6_7,/*for DSS only */
209 STV0900_FEC_8_9,/*for turbo code only*/
213 enum fe_stv0900_frame_length {
218 enum fe_stv0900_pilot {
223 enum fe_stv0900_rolloff {
229 enum fe_stv0900_search_iq {
231 STV0900_IQ_AUTO_NORMAL_FIRST,
232 STV0900_IQ_FORCE_NORMAL,
233 STV0900_IQ_FORCE_SWAPPED
236 enum stv0900_iq_inversion {
241 enum fe_stv0900_diseqc_mode {
242 STV0900_22KHZ_Continues = 0,
243 STV0900_DISEQC_2_3_PWM = 2,
244 STV0900_DISEQC_3_3_PWM = 3,
245 STV0900_DISEQC_2_3_ENVELOP = 4,
246 STV0900_DISEQC_3_3_ENVELOP = 5
249 enum fe_stv0900_demod_mode {
254 struct stv0900_init_params{
255 u32 dmd_ref_clk;/* Refrence,Input clock for the demod in Hz */
257 /* Demodulator Type (single demod or dual demod) */
258 enum fe_stv0900_demod_mode demod_mode;
259 enum fe_stv0900_rolloff rolloff;
260 enum fe_stv0900_clock_type path1_ts_clock;
265 /* IQ from the tuner1 to the demod */
266 enum stv0900_iq_inversion tun1_iq_inversion;
267 enum fe_stv0900_clock_type path2_ts_clock;
272 /* IQ from the tuner2 to the demod */
273 enum stv0900_iq_inversion tun2_iq_inversion;
276 struct stv0900_search_params {
277 enum fe_stv0900_demod_num path;/* Path Used demod1 or 2 */
279 u32 frequency;/* Transponder frequency (in KHz) */
280 u32 symbol_rate;/* Transponder symbol rate (in bds)*/
281 u32 search_range;/* Range of the search (in Hz) */
283 enum fe_stv0900_search_standard standard;
284 enum fe_stv0900_modulation modulation;
285 enum fe_stv0900_fec fec;
286 enum fe_stv0900_modcode modcode;
287 enum fe_stv0900_search_iq iq_inversion;
288 enum fe_stv0900_search_algo search_algo;
292 struct stv0900_signal_info {
293 int locked;/* Transponder locked */
294 u32 frequency;/* Transponder frequency (in KHz) */
295 u32 symbol_rate;/* Transponder symbol rate (in Mbds) */
297 enum fe_stv0900_tracking_standard standard;
298 enum fe_stv0900_fec fec;
299 enum fe_stv0900_modcode modcode;
300 enum fe_stv0900_modulation modulation;
301 enum fe_stv0900_pilot pilot;
302 enum fe_stv0900_frame_length frame_length;
303 enum stv0900_iq_inversion spectrum;
304 enum fe_stv0900_rolloff rolloff;
306 s32 Power;/* Power of the RF signal (dBm) */
307 s32 C_N;/* Carrier to noise ratio (dB x10)*/
308 u32 BER;/* Bit error rate (x10^7) */
312 struct stv0900_internal{
315 /* manual RollOff for DVBS1/DSS only */
316 enum fe_stv0900_rolloff rolloff;
317 /* Demodulator use for single demod or for dual demod) */
318 enum fe_stv0900_demod_mode demod_mode;
323 s32 dmd1_symbol_rate;
326 /* algorithm for search Blind, Cold or Warm*/
327 enum fe_stv0900_search_algo dmd1_srch_algo;
328 /* search standard: Auto, DVBS1/DSS only or DVBS2 only*/
329 enum fe_stv0900_search_standard dmd1_srch_standard;
330 /* inversion search : auto, auto norma first, normal or inverted */
331 enum fe_stv0900_search_iq dmd1_srch_iq_inv;
332 enum fe_stv0900_modcode dmd1_modcode;
333 enum fe_stv0900_modulation dmd1_modulation;
334 enum fe_stv0900_fec dmd1_fec;
336 struct stv0900_signal_info dmd1_rslts;
337 enum fe_stv0900_signal_type dmd1_state;
339 enum fe_stv0900_error dmd1_err;
344 s32 dmd2_symbol_rate;
347 enum fe_stv0900_search_algo dmd2_srch_algo;
348 enum fe_stv0900_search_standard dmd2_srch_stndrd;
349 /* inversion search : auto, auto normal first, normal or inverted */
350 enum fe_stv0900_search_iq dmd2_srch_iq_inv;
351 enum fe_stv0900_modcode dmd2_modcode;
352 enum fe_stv0900_modulation dmd2_modulation;
353 enum fe_stv0900_fec dmd2_fec;
355 /* results of the search*/
356 struct stv0900_signal_info dmd2_rslts;
357 /* current state of the search algorithm */
358 enum fe_stv0900_signal_type dmd2_state;
360 enum fe_stv0900_error dmd2_err;
362 struct i2c_adapter *i2c_adap;
364 u8 clkmode;/* 0 for CLKI, 2 for XTALI */
366 enum fe_stv0900_error errs;
370 /* state for each demod */
371 struct stv0900_state {
372 /* pointer for internal params, one for each pair of demods */
373 struct stv0900_internal *internal;
374 struct i2c_adapter *i2c_adap;
375 const struct stv0900_config *config;
376 struct dvb_frontend frontend;
380 extern s32 ge2comp(s32 a, s32 width);
382 extern void stv0900_write_reg(struct stv0900_internal *i_params,
383 u16 reg_addr, u8 reg_data);
385 extern u8 stv0900_read_reg(struct stv0900_internal *i_params,
388 extern void stv0900_write_bits(struct stv0900_internal *i_params,
391 extern u8 stv0900_get_bits(struct stv0900_internal *i_params,
394 extern int stv0900_get_demod_lock(struct stv0900_internal *i_params,
395 enum fe_stv0900_demod_num demod, s32 time_out);
396 extern int stv0900_check_signal_presence(struct stv0900_internal *i_params,
397 enum fe_stv0900_demod_num demod);
399 extern enum fe_stv0900_signal_type stv0900_algo(struct dvb_frontend *fe);
401 extern void stv0900_set_tuner(struct dvb_frontend *fe, u32 frequency,
403 extern void stv0900_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth);
405 extern void stv0900_start_search(struct stv0900_internal *i_params,
406 enum fe_stv0900_demod_num demod);
408 extern u8 stv0900_get_optim_carr_loop(s32 srate,
409 enum fe_stv0900_modcode modcode,
410 s32 pilot, u8 chip_id);
412 extern u8 stv0900_get_optim_short_carr_loop(s32 srate,
413 enum fe_stv0900_modulation modulation,
416 extern void stv0900_stop_all_s2_modcod(struct stv0900_internal *i_params,
417 enum fe_stv0900_demod_num demod);
419 extern void stv0900_activate_s2_modcode(struct stv0900_internal *i_params,
420 enum fe_stv0900_demod_num demod);
422 extern void stv0900_activate_s2_modcode_single(struct stv0900_internal *i_params,
423 enum fe_stv0900_demod_num demod);
425 extern enum fe_stv0900_tracking_standard stv0900_get_standard(struct dvb_frontend *fe,
426 enum fe_stv0900_demod_num demod);