diff options
Diffstat (limited to 'drivers/media/dvb/frontends/stv0900_core.c')
| -rw-r--r-- | drivers/media/dvb/frontends/stv0900_core.c | 87 |
1 files changed, 86 insertions, 1 deletions
diff --git a/drivers/media/dvb/frontends/stv0900_core.c b/drivers/media/dvb/frontends/stv0900_core.c index 8762c86044a..115dc01c223 100644 --- a/drivers/media/dvb/frontends/stv0900_core.c +++ b/drivers/media/dvb/frontends/stv0900_core.c @@ -567,6 +567,46 @@ void stv0900_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth) } } +u32 stv0900_get_freq_auto(struct stv0900_internal *intp, int demod) +{ + u32 freq, round; + /* Formulat : + Tuner_Frequency(MHz) = Regs / 64 + Tuner_granularity(MHz) = Regs / 2048 + real_Tuner_Frequency = Tuner_Frequency(MHz) - Tuner_granularity(MHz) + */ + freq = (stv0900_get_bits(intp, TUN_RFFREQ2) << 10) + + (stv0900_get_bits(intp, TUN_RFFREQ1) << 2) + + stv0900_get_bits(intp, TUN_RFFREQ0); + + freq = (freq * 1000) / 64; + + round = (stv0900_get_bits(intp, TUN_RFRESTE1) >> 2) + + stv0900_get_bits(intp, TUN_RFRESTE0); + + round = (round * 1000) / 2048; + + return freq + round; +} + +void stv0900_set_tuner_auto(struct stv0900_internal *intp, u32 Frequency, + u32 Bandwidth, int demod) +{ + u32 tunerFrequency; + /* Formulat: + Tuner_frequency_reg= Frequency(MHz)*64 + */ + tunerFrequency = (Frequency * 64) / 1000; + + stv0900_write_bits(intp, TUN_RFFREQ2, (tunerFrequency >> 10)); + stv0900_write_bits(intp, TUN_RFFREQ1, (tunerFrequency >> 2) & 0xff); + stv0900_write_bits(intp, TUN_RFFREQ0, (tunerFrequency & 0x03)); + /* Low Pass Filter = BW /2 (MHz)*/ + stv0900_write_bits(intp, TUN_BW, Bandwidth / 2000000); + /* Tuner Write trig */ + stv0900_write_reg(intp, TNRLD, 1); +} + static s32 stv0900_get_rf_level(struct stv0900_internal *intp, const struct stv0900_table *lookup, enum fe_stv0900_demod_num demod) @@ -1329,7 +1369,6 @@ static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe, enum fe_stv0900_error error = STV0900_NO_ERROR; enum fe_stv0900_error demodError = STV0900_NO_ERROR; struct stv0900_internal *intp = NULL; - int selosci, i; struct stv0900_inode *temp_int = find_inode(state->i2c_adap, @@ -1404,6 +1443,27 @@ static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe, stv0900_write_bits(intp, F0900_P1_RST_HWARE, 0); } + intp->tuner_type[0] = p_init->tuner1_type; + intp->tuner_type[1] = p_init->tuner2_type; + /* tuner init */ + switch (p_init->tuner1_type) { + case 3: /*FE_AUTO_STB6100:*/ + stv0900_write_reg(intp, R0900_P1_TNRCFG, 0x3c); + stv0900_write_reg(intp, R0900_P1_TNRCFG2, 0x86); + stv0900_write_reg(intp, R0900_P1_TNRCFG3, 0x18); + stv0900_write_reg(intp, R0900_P1_TNRXTAL, 27); /* 27MHz */ + stv0900_write_reg(intp, R0900_P1_TNRSTEPS, 0x05); + stv0900_write_reg(intp, R0900_P1_TNRGAIN, 0x17); + stv0900_write_reg(intp, R0900_P1_TNRADJ, 0x1f); + stv0900_write_reg(intp, R0900_P1_TNRCTL2, 0x0); + stv0900_write_bits(intp, F0900_P1_TUN_TYPE, 3); + break; + /* case FE_SW_TUNER: */ + default: + stv0900_write_bits(intp, F0900_P1_TUN_TYPE, 6); + break; + } + stv0900_write_bits(intp, F0900_P1_TUN_MADDRESS, p_init->tun1_maddress); switch (p_init->tuner1_adc) { case 1: @@ -1413,6 +1473,27 @@ static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe, break; } + stv0900_write_reg(intp, R0900_P1_TNRLD, 1); /* hw tuner */ + + /* tuner init */ + switch (p_init->tuner2_type) { + case 3: /*FE_AUTO_STB6100:*/ + stv0900_write_reg(intp, R0900_P2_TNRCFG, 0x3c); + stv0900_write_reg(intp, R0900_P2_TNRCFG2, 0x86); + stv0900_write_reg(intp, R0900_P2_TNRCFG3, 0x18); + stv0900_write_reg(intp, R0900_P2_TNRXTAL, 27); /* 27MHz */ + stv0900_write_reg(intp, R0900_P2_TNRSTEPS, 0x05); + stv0900_write_reg(intp, R0900_P2_TNRGAIN, 0x17); + stv0900_write_reg(intp, R0900_P2_TNRADJ, 0x1f); + stv0900_write_reg(intp, R0900_P2_TNRCTL2, 0x0); + stv0900_write_bits(intp, F0900_P2_TUN_TYPE, 3); + break; + /* case FE_SW_TUNER: */ + default: + stv0900_write_bits(intp, F0900_P2_TUN_TYPE, 6); + break; + } + stv0900_write_bits(intp, F0900_P2_TUN_MADDRESS, p_init->tun2_maddress); switch (p_init->tuner2_adc) { case 1: @@ -1422,6 +1503,8 @@ static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe, break; } + stv0900_write_reg(intp, R0900_P2_TNRLD, 1); /* hw tuner */ + stv0900_write_bits(intp, F0900_P1_TUN_IQSWAP, p_init->tun1_iq_inv); stv0900_write_bits(intp, F0900_P2_TUN_IQSWAP, p_init->tun2_iq_inv); stv0900_set_mclk(intp, 135000000); @@ -1824,10 +1907,12 @@ struct dvb_frontend *stv0900_attach(const struct stv0900_config *config, init_params.tun1_maddress = config->tun1_maddress; init_params.tun1_iq_inv = STV0900_IQ_NORMAL; init_params.tuner1_adc = config->tun1_adc; + init_params.tuner1_type = config->tun1_type; init_params.path2_ts_clock = config->path2_mode; init_params.ts_config = config->ts_config_regs; init_params.tun2_maddress = config->tun2_maddress; init_params.tuner2_adc = config->tun2_adc; + init_params.tuner2_type = config->tun2_type; init_params.tun2_iq_inv = STV0900_IQ_SWAPPED; err_stv0900 = stv0900_init_internal(&state->frontend, |