diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/dvb-frontends/tda10071.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/dvb-frontends/tda10071.c')
-rw-r--r-- | drivers/media/dvb-frontends/tda10071.c | 1254 |
1 files changed, 1254 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/tda10071.c b/drivers/media/dvb-frontends/tda10071.c new file mode 100644 index 000000000..d1098ef20 --- /dev/null +++ b/drivers/media/dvb-frontends/tda10071.c @@ -0,0 +1,1254 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * NXP TDA10071 + Conexant CX24118A DVB-S/S2 demodulator + tuner driver + * + * Copyright (C) 2011 Antti Palosaari <crope@iki.fi> + */ + +#include "tda10071_priv.h" + +static const struct dvb_frontend_ops tda10071_ops; + +/* + * XXX: regmap_update_bits() does not fit our needs as it does not support + * partially volatile registers. Also it performs register read even mask is as + * wide as register value. + */ +/* write single register with mask */ +static int tda10071_wr_reg_mask(struct tda10071_dev *dev, + u8 reg, u8 val, u8 mask) +{ + int ret; + u8 tmp; + + /* no need for read if whole reg is written */ + if (mask != 0xff) { + ret = regmap_bulk_read(dev->regmap, reg, &tmp, 1); + if (ret) + return ret; + + val &= mask; + tmp &= ~mask; + val |= tmp; + } + + return regmap_bulk_write(dev->regmap, reg, &val, 1); +} + +/* execute firmware command */ +static int tda10071_cmd_execute(struct tda10071_dev *dev, + struct tda10071_cmd *cmd) +{ + struct i2c_client *client = dev->client; + int ret, i; + unsigned int uitmp; + + if (!dev->warm) { + ret = -EFAULT; + goto error; + } + + mutex_lock(&dev->cmd_execute_mutex); + + /* write cmd and args for firmware */ + ret = regmap_bulk_write(dev->regmap, 0x00, cmd->args, cmd->len); + if (ret) + goto error_mutex_unlock; + + /* start cmd execution */ + ret = regmap_write(dev->regmap, 0x1f, 1); + if (ret) + goto error_mutex_unlock; + + /* wait cmd execution terminate */ + for (i = 1000, uitmp = 1; i && uitmp; i--) { + ret = regmap_read(dev->regmap, 0x1f, &uitmp); + if (ret) + goto error_mutex_unlock; + + usleep_range(200, 5000); + } + + mutex_unlock(&dev->cmd_execute_mutex); + dev_dbg(&client->dev, "loop=%d\n", i); + + if (i == 0) { + ret = -ETIMEDOUT; + goto error; + } + + return ret; +error_mutex_unlock: + mutex_unlock(&dev->cmd_execute_mutex); +error: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int tda10071_set_tone(struct dvb_frontend *fe, + enum fe_sec_tone_mode fe_sec_tone_mode) +{ + struct tda10071_dev *dev = fe->demodulator_priv; + struct i2c_client *client = dev->client; + struct tda10071_cmd cmd; + int ret; + u8 tone; + + if (!dev->warm) { + ret = -EFAULT; + goto error; + } + + dev_dbg(&client->dev, "tone_mode=%d\n", fe_sec_tone_mode); + + switch (fe_sec_tone_mode) { + case SEC_TONE_ON: + tone = 1; + break; + case SEC_TONE_OFF: + tone = 0; + break; + default: + dev_dbg(&client->dev, "invalid fe_sec_tone_mode\n"); + ret = -EINVAL; + goto error; + } + + cmd.args[0] = CMD_LNB_PCB_CONFIG; + cmd.args[1] = 0; + cmd.args[2] = 0x00; + cmd.args[3] = 0x00; + cmd.args[4] = tone; + cmd.len = 5; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + + return ret; +error: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int tda10071_set_voltage(struct dvb_frontend *fe, + enum fe_sec_voltage fe_sec_voltage) +{ + struct tda10071_dev *dev = fe->demodulator_priv; + struct i2c_client *client = dev->client; + struct tda10071_cmd cmd; + int ret; + u8 voltage; + + if (!dev->warm) { + ret = -EFAULT; + goto error; + } + + dev_dbg(&client->dev, "voltage=%d\n", fe_sec_voltage); + + switch (fe_sec_voltage) { + case SEC_VOLTAGE_13: + voltage = 0; + break; + case SEC_VOLTAGE_18: + voltage = 1; + break; + case SEC_VOLTAGE_OFF: + voltage = 0; + break; + default: + dev_dbg(&client->dev, "invalid fe_sec_voltage\n"); + ret = -EINVAL; + goto error; + } + + cmd.args[0] = CMD_LNB_SET_DC_LEVEL; + cmd.args[1] = 0; + cmd.args[2] = voltage; + cmd.len = 3; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + + return ret; +error: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int tda10071_diseqc_send_master_cmd(struct dvb_frontend *fe, + struct dvb_diseqc_master_cmd *diseqc_cmd) +{ + struct tda10071_dev *dev = fe->demodulator_priv; + struct i2c_client *client = dev->client; + struct tda10071_cmd cmd; + int ret, i; + unsigned int uitmp; + + if (!dev->warm) { + ret = -EFAULT; + goto error; + } + + dev_dbg(&client->dev, "msg_len=%d\n", diseqc_cmd->msg_len); + + if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 6) { + ret = -EINVAL; + goto error; + } + + /* wait LNB TX */ + for (i = 500, uitmp = 0; i && !uitmp; i--) { + ret = regmap_read(dev->regmap, 0x47, &uitmp); + if (ret) + goto error; + uitmp = (uitmp >> 0) & 1; + usleep_range(10000, 20000); + } + + dev_dbg(&client->dev, "loop=%d\n", i); + + if (i == 0) { + ret = -ETIMEDOUT; + goto error; + } + + ret = regmap_update_bits(dev->regmap, 0x47, 0x01, 0x00); + if (ret) + goto error; + + cmd.args[0] = CMD_LNB_SEND_DISEQC; + cmd.args[1] = 0; + cmd.args[2] = 0; + cmd.args[3] = 0; + cmd.args[4] = 2; + cmd.args[5] = 0; + cmd.args[6] = diseqc_cmd->msg_len; + memcpy(&cmd.args[7], diseqc_cmd->msg, diseqc_cmd->msg_len); + cmd.len = 7 + diseqc_cmd->msg_len; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + + return ret; +error: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int tda10071_diseqc_recv_slave_reply(struct dvb_frontend *fe, + struct dvb_diseqc_slave_reply *reply) +{ + struct tda10071_dev *dev = fe->demodulator_priv; + struct i2c_client *client = dev->client; + struct tda10071_cmd cmd; + int ret, i; + unsigned int uitmp; + + if (!dev->warm) { + ret = -EFAULT; + goto error; + } + + dev_dbg(&client->dev, "\n"); + + /* wait LNB RX */ + for (i = 500, uitmp = 0; i && !uitmp; i--) { + ret = regmap_read(dev->regmap, 0x47, &uitmp); + if (ret) + goto error; + uitmp = (uitmp >> 1) & 1; + usleep_range(10000, 20000); + } + + dev_dbg(&client->dev, "loop=%d\n", i); + + if (i == 0) { + ret = -ETIMEDOUT; + goto error; + } + + /* reply len */ + ret = regmap_read(dev->regmap, 0x46, &uitmp); + if (ret) + goto error; + + reply->msg_len = uitmp & 0x1f; /* [4:0] */ + if (reply->msg_len > sizeof(reply->msg)) + reply->msg_len = sizeof(reply->msg); /* truncate API max */ + + /* read reply */ + cmd.args[0] = CMD_LNB_UPDATE_REPLY; + cmd.args[1] = 0; + cmd.len = 2; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + + ret = regmap_bulk_read(dev->regmap, cmd.len, reply->msg, + reply->msg_len); + if (ret) + goto error; + + return ret; +error: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int tda10071_diseqc_send_burst(struct dvb_frontend *fe, + enum fe_sec_mini_cmd fe_sec_mini_cmd) +{ + struct tda10071_dev *dev = fe->demodulator_priv; + struct i2c_client *client = dev->client; + struct tda10071_cmd cmd; + int ret, i; + unsigned int uitmp; + u8 burst; + + if (!dev->warm) { + ret = -EFAULT; + goto error; + } + + dev_dbg(&client->dev, "fe_sec_mini_cmd=%d\n", fe_sec_mini_cmd); + + switch (fe_sec_mini_cmd) { + case SEC_MINI_A: + burst = 0; + break; + case SEC_MINI_B: + burst = 1; + break; + default: + dev_dbg(&client->dev, "invalid fe_sec_mini_cmd\n"); + ret = -EINVAL; + goto error; + } + + /* wait LNB TX */ + for (i = 500, uitmp = 0; i && !uitmp; i--) { + ret = regmap_read(dev->regmap, 0x47, &uitmp); + if (ret) + goto error; + uitmp = (uitmp >> 0) & 1; + usleep_range(10000, 20000); + } + + dev_dbg(&client->dev, "loop=%d\n", i); + + if (i == 0) { + ret = -ETIMEDOUT; + goto error; + } + + ret = regmap_update_bits(dev->regmap, 0x47, 0x01, 0x00); + if (ret) + goto error; + + cmd.args[0] = CMD_LNB_SEND_TONEBURST; + cmd.args[1] = 0; + cmd.args[2] = burst; + cmd.len = 3; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + + return ret; +error: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int tda10071_read_status(struct dvb_frontend *fe, enum fe_status *status) +{ + struct tda10071_dev *dev = fe->demodulator_priv; + struct i2c_client *client = dev->client; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + struct tda10071_cmd cmd; + int ret; + unsigned int uitmp; + u8 buf[8]; + + *status = 0; + + if (!dev->warm) { + ret = 0; + goto error; + } + + ret = regmap_read(dev->regmap, 0x39, &uitmp); + if (ret) + goto error; + + /* 0x39[0] tuner PLL */ + if (uitmp & 0x02) /* demod PLL */ + *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER; + if (uitmp & 0x04) /* viterbi or LDPC*/ + *status |= FE_HAS_VITERBI; + if (uitmp & 0x08) /* RS or BCH */ + *status |= FE_HAS_SYNC | FE_HAS_LOCK; + + dev->fe_status = *status; + + /* signal strength */ + if (dev->fe_status & FE_HAS_SIGNAL) { + cmd.args[0] = CMD_GET_AGCACC; + cmd.args[1] = 0; + cmd.len = 2; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + + /* input power estimate dBm */ + ret = regmap_read(dev->regmap, 0x50, &uitmp); + if (ret) + goto error; + + c->strength.stat[0].scale = FE_SCALE_DECIBEL; + c->strength.stat[0].svalue = (int) (uitmp - 256) * 1000; + } else { + c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + } + + /* CNR */ + if (dev->fe_status & FE_HAS_VITERBI) { + /* Es/No */ + ret = regmap_bulk_read(dev->regmap, 0x3a, buf, 2); + if (ret) + goto error; + + c->cnr.stat[0].scale = FE_SCALE_DECIBEL; + c->cnr.stat[0].svalue = (buf[0] << 8 | buf[1] << 0) * 100; + } else { + c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + } + + /* UCB/PER/BER */ + if (dev->fe_status & FE_HAS_LOCK) { + /* TODO: report total bits/packets */ + u8 delivery_system, reg, len; + + switch (dev->delivery_system) { + case SYS_DVBS: + reg = 0x4c; + len = 8; + delivery_system = 1; + break; + case SYS_DVBS2: + reg = 0x4d; + len = 4; + delivery_system = 0; + break; + default: + ret = -EINVAL; + goto error; + } + + ret = regmap_read(dev->regmap, reg, &uitmp); + if (ret) + goto error; + + if (dev->meas_count == uitmp) { + dev_dbg(&client->dev, "meas not ready=%02x\n", uitmp); + ret = 0; + goto error; + } else { + dev->meas_count = uitmp; + } + + cmd.args[0] = CMD_BER_UPDATE_COUNTERS; + cmd.args[1] = 0; + cmd.args[2] = delivery_system; + cmd.len = 3; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + + ret = regmap_bulk_read(dev->regmap, cmd.len, buf, len); + if (ret) + goto error; + + if (dev->delivery_system == SYS_DVBS) { + u32 bit_error = buf[0] << 24 | buf[1] << 16 | + buf[2] << 8 | buf[3] << 0; + + dev->dvbv3_ber = bit_error; + dev->post_bit_error += bit_error; + c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER; + c->post_bit_error.stat[0].uvalue = dev->post_bit_error; + dev->block_error += buf[4] << 8 | buf[5] << 0; + c->block_error.stat[0].scale = FE_SCALE_COUNTER; + c->block_error.stat[0].uvalue = dev->block_error; + } else { + dev->dvbv3_ber = buf[0] << 8 | buf[1] << 0; + dev->post_bit_error += buf[0] << 8 | buf[1] << 0; + c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER; + c->post_bit_error.stat[0].uvalue = dev->post_bit_error; + c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + } + } else { + c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + } + + return ret; +error: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int tda10071_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + + if (c->cnr.stat[0].scale == FE_SCALE_DECIBEL) + *snr = div_s64(c->cnr.stat[0].svalue, 100); + else + *snr = 0; + return 0; +} + +static int tda10071_read_signal_strength(struct dvb_frontend *fe, u16 *strength) +{ + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + unsigned int uitmp; + + if (c->strength.stat[0].scale == FE_SCALE_DECIBEL) { + uitmp = div_s64(c->strength.stat[0].svalue, 1000) + 256; + uitmp = clamp(uitmp, 181U, 236U); /* -75dBm - -20dBm */ + /* scale value to 0x0000-0xffff */ + *strength = (uitmp-181) * 0xffff / (236-181); + } else { + *strength = 0; + } + return 0; +} + +static int tda10071_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + struct tda10071_dev *dev = fe->demodulator_priv; + + *ber = dev->dvbv3_ber; + return 0; +} + +static int tda10071_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) +{ + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + + if (c->block_error.stat[0].scale == FE_SCALE_COUNTER) + *ucblocks = c->block_error.stat[0].uvalue; + else + *ucblocks = 0; + return 0; +} + +static int tda10071_set_frontend(struct dvb_frontend *fe) +{ + struct tda10071_dev *dev = fe->demodulator_priv; + struct i2c_client *client = dev->client; + struct tda10071_cmd cmd; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + int ret, i; + u8 mode, rolloff, pilot, inversion, div; + enum fe_modulation modulation; + + dev_dbg(&client->dev, + "delivery_system=%d modulation=%d frequency=%u symbol_rate=%d inversion=%d pilot=%d rolloff=%d\n", + c->delivery_system, c->modulation, c->frequency, c->symbol_rate, + c->inversion, c->pilot, c->rolloff); + + dev->delivery_system = SYS_UNDEFINED; + + if (!dev->warm) { + ret = -EFAULT; + goto error; + } + + switch (c->inversion) { + case INVERSION_OFF: + inversion = 1; + break; + case INVERSION_ON: + inversion = 0; + break; + case INVERSION_AUTO: + /* 2 = auto; try first on then off + * 3 = auto; try first off then on */ + inversion = 3; + break; + default: + dev_dbg(&client->dev, "invalid inversion\n"); + ret = -EINVAL; + goto error; + } + + switch (c->delivery_system) { + case SYS_DVBS: + modulation = QPSK; + rolloff = 0; + pilot = 2; + break; + case SYS_DVBS2: + modulation = c->modulation; + + switch (c->rolloff) { + case ROLLOFF_20: + rolloff = 2; + break; + case ROLLOFF_25: + rolloff = 1; + break; + case ROLLOFF_35: + rolloff = 0; + break; + case ROLLOFF_AUTO: + default: + dev_dbg(&client->dev, "invalid rolloff\n"); + ret = -EINVAL; + goto error; + } + + switch (c->pilot) { + case PILOT_OFF: + pilot = 0; + break; + case PILOT_ON: + pilot = 1; + break; + case PILOT_AUTO: + pilot = 2; + break; + default: + dev_dbg(&client->dev, "invalid pilot\n"); + ret = -EINVAL; + goto error; + } + break; + default: + dev_dbg(&client->dev, "invalid delivery_system\n"); + ret = -EINVAL; + goto error; + } + + for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) { + if (c->delivery_system == TDA10071_MODCOD[i].delivery_system && + modulation == TDA10071_MODCOD[i].modulation && + c->fec_inner == TDA10071_MODCOD[i].fec) { + mode = TDA10071_MODCOD[i].val; + dev_dbg(&client->dev, "mode found=%02x\n", mode); + break; + } + } + + if (mode == 0xff) { + dev_dbg(&client->dev, "invalid parameter combination\n"); + ret = -EINVAL; + goto error; + } + + if (c->symbol_rate <= 5000000) + div = 14; + else + div = 4; + + ret = regmap_write(dev->regmap, 0x81, div); + if (ret) + goto error; + + ret = regmap_write(dev->regmap, 0xe3, div); + if (ret) + goto error; + + cmd.args[0] = CMD_CHANGE_CHANNEL; + cmd.args[1] = 0; + cmd.args[2] = mode; + cmd.args[3] = (c->frequency >> 16) & 0xff; + cmd.args[4] = (c->frequency >> 8) & 0xff; + cmd.args[5] = (c->frequency >> 0) & 0xff; + cmd.args[6] = ((c->symbol_rate / 1000) >> 8) & 0xff; + cmd.args[7] = ((c->symbol_rate / 1000) >> 0) & 0xff; + cmd.args[8] = ((tda10071_ops.info.frequency_tolerance_hz / 1000) >> 8) & 0xff; + cmd.args[9] = ((tda10071_ops.info.frequency_tolerance_hz / 1000) >> 0) & 0xff; + cmd.args[10] = rolloff; + cmd.args[11] = inversion; + cmd.args[12] = pilot; + cmd.args[13] = 0x00; + cmd.args[14] = 0x00; + cmd.len = 15; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + + dev->delivery_system = c->delivery_system; + + return ret; +error: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int tda10071_get_frontend(struct dvb_frontend *fe, + struct dtv_frontend_properties *c) +{ + struct tda10071_dev *dev = fe->demodulator_priv; + struct i2c_client *client = dev->client; + int ret, i; + u8 buf[5], tmp; + + if (!dev->warm || !(dev->fe_status & FE_HAS_LOCK)) { + ret = 0; + goto error; + } + + ret = regmap_bulk_read(dev->regmap, 0x30, buf, 5); + if (ret) + goto error; + + tmp = buf[0] & 0x3f; + for (i = 0; i < ARRAY_SIZE(TDA10071_MODCOD); i++) { + if (tmp == TDA10071_MODCOD[i].val) { + c->modulation = TDA10071_MODCOD[i].modulation; + c->fec_inner = TDA10071_MODCOD[i].fec; + c->delivery_system = TDA10071_MODCOD[i].delivery_system; + } + } + + switch ((buf[1] >> 0) & 0x01) { + case 0: + c->inversion = INVERSION_ON; + break; + case 1: + c->inversion = INVERSION_OFF; + break; + } + + switch ((buf[1] >> 7) & 0x01) { + case 0: + c->pilot = PILOT_OFF; + break; + case 1: + c->pilot = PILOT_ON; + break; + } + + c->frequency = (buf[2] << 16) | (buf[3] << 8) | (buf[4] << 0); + + ret = regmap_bulk_read(dev->regmap, 0x52, buf, 3); + if (ret) + goto error; + + c->symbol_rate = ((buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0)) * 1000; + + return ret; +error: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int tda10071_init(struct dvb_frontend *fe) +{ + struct tda10071_dev *dev = fe->demodulator_priv; + struct i2c_client *client = dev->client; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + struct tda10071_cmd cmd; + int ret, i, len, remaining, fw_size; + unsigned int uitmp; + const struct firmware *fw; + u8 *fw_file = TDA10071_FIRMWARE; + u8 tmp, buf[4]; + struct tda10071_reg_val_mask tab[] = { + { 0xcd, 0x00, 0x07 }, + { 0x80, 0x00, 0x02 }, + { 0xcd, 0x00, 0xc0 }, + { 0xce, 0x00, 0x1b }, + { 0x9d, 0x00, 0x01 }, + { 0x9d, 0x00, 0x02 }, + { 0x9e, 0x00, 0x01 }, + { 0x87, 0x00, 0x80 }, + { 0xce, 0x00, 0x08 }, + { 0xce, 0x00, 0x10 }, + }; + struct tda10071_reg_val_mask tab2[] = { + { 0xf1, 0x70, 0xff }, + { 0x88, dev->pll_multiplier, 0x3f }, + { 0x89, 0x00, 0x10 }, + { 0x89, 0x10, 0x10 }, + { 0xc0, 0x01, 0x01 }, + { 0xc0, 0x00, 0x01 }, + { 0xe0, 0xff, 0xff }, + { 0xe0, 0x00, 0xff }, + { 0x96, 0x1e, 0x7e }, + { 0x8b, 0x08, 0x08 }, + { 0x8b, 0x00, 0x08 }, + { 0x8f, 0x1a, 0x7e }, + { 0x8c, 0x68, 0xff }, + { 0x8d, 0x08, 0xff }, + { 0x8e, 0x4c, 0xff }, + { 0x8f, 0x01, 0x01 }, + { 0x8b, 0x04, 0x04 }, + { 0x8b, 0x00, 0x04 }, + { 0x87, 0x05, 0x07 }, + { 0x80, 0x00, 0x20 }, + { 0xc8, 0x01, 0xff }, + { 0xb4, 0x47, 0xff }, + { 0xb5, 0x9c, 0xff }, + { 0xb6, 0x7d, 0xff }, + { 0xba, 0x00, 0x03 }, + { 0xb7, 0x47, 0xff }, + { 0xb8, 0x9c, 0xff }, + { 0xb9, 0x7d, 0xff }, + { 0xba, 0x00, 0x0c }, + { 0xc8, 0x00, 0xff }, + { 0xcd, 0x00, 0x04 }, + { 0xcd, 0x00, 0x20 }, + { 0xe8, 0x02, 0xff }, + { 0xcf, 0x20, 0xff }, + { 0x9b, 0xd7, 0xff }, + { 0x9a, 0x01, 0x03 }, + { 0xa8, 0x05, 0x0f }, + { 0xa8, 0x65, 0xf0 }, + { 0xa6, 0xa0, 0xf0 }, + { 0x9d, 0x50, 0xfc }, + { 0x9e, 0x20, 0xe0 }, + { 0xa3, 0x1c, 0x7c }, + { 0xd5, 0x03, 0x03 }, + }; + + if (dev->warm) { + /* warm state - wake up device from sleep */ + + for (i = 0; i < ARRAY_SIZE(tab); i++) { + ret = tda10071_wr_reg_mask(dev, tab[i].reg, + tab[i].val, tab[i].mask); + if (ret) + goto error; + } + + cmd.args[0] = CMD_SET_SLEEP_MODE; + cmd.args[1] = 0; + cmd.args[2] = 0; + cmd.len = 3; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + } else { + /* cold state - try to download firmware */ + + /* request the firmware, this will block and timeout */ + ret = request_firmware(&fw, fw_file, &client->dev); + if (ret) { + dev_err(&client->dev, + "did not find the firmware file '%s' (status %d). You can use <kernel_dir>/scripts/get_dvb_firmware to get the firmware\n", + fw_file, ret); + goto error; + } + + /* init */ + for (i = 0; i < ARRAY_SIZE(tab2); i++) { + ret = tda10071_wr_reg_mask(dev, tab2[i].reg, + tab2[i].val, tab2[i].mask); + if (ret) + goto error_release_firmware; + } + + /* download firmware */ + ret = regmap_write(dev->regmap, 0xe0, 0x7f); + if (ret) + goto error_release_firmware; + + ret = regmap_write(dev->regmap, 0xf7, 0x81); + if (ret) + goto error_release_firmware; + + ret = regmap_write(dev->regmap, 0xf8, 0x00); + if (ret) + goto error_release_firmware; + + ret = regmap_write(dev->regmap, 0xf9, 0x00); + if (ret) + goto error_release_firmware; + + dev_info(&client->dev, + "found a '%s' in cold state, will try to load a firmware\n", + tda10071_ops.info.name); + dev_info(&client->dev, "downloading firmware from file '%s'\n", + fw_file); + + /* do not download last byte */ + fw_size = fw->size - 1; + + for (remaining = fw_size; remaining > 0; + remaining -= (dev->i2c_wr_max - 1)) { + len = remaining; + if (len > (dev->i2c_wr_max - 1)) + len = (dev->i2c_wr_max - 1); + + ret = regmap_bulk_write(dev->regmap, 0xfa, + (u8 *) &fw->data[fw_size - remaining], len); + if (ret) { + dev_err(&client->dev, + "firmware download failed=%d\n", ret); + goto error_release_firmware; + } + } + release_firmware(fw); + + ret = regmap_write(dev->regmap, 0xf7, 0x0c); + if (ret) + goto error; + + ret = regmap_write(dev->regmap, 0xe0, 0x00); + if (ret) + goto error; + + /* wait firmware start */ + msleep(250); + + /* firmware status */ + ret = regmap_read(dev->regmap, 0x51, &uitmp); + if (ret) + goto error; + + if (uitmp) { + dev_info(&client->dev, "firmware did not run\n"); + ret = -EFAULT; + goto error; + } else { + dev->warm = true; + } + + cmd.args[0] = CMD_GET_FW_VERSION; + cmd.len = 1; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + + ret = regmap_bulk_read(dev->regmap, cmd.len, buf, 4); + if (ret) + goto error; + + dev_info(&client->dev, "firmware version %d.%d.%d.%d\n", + buf[0], buf[1], buf[2], buf[3]); + dev_info(&client->dev, "found a '%s' in warm state\n", + tda10071_ops.info.name); + + ret = regmap_bulk_read(dev->regmap, 0x81, buf, 2); + if (ret) + goto error; + + cmd.args[0] = CMD_DEMOD_INIT; + cmd.args[1] = ((dev->clk / 1000) >> 8) & 0xff; + cmd.args[2] = ((dev->clk / 1000) >> 0) & 0xff; + cmd.args[3] = buf[0]; + cmd.args[4] = buf[1]; + cmd.args[5] = dev->pll_multiplier; + cmd.args[6] = dev->spec_inv; + cmd.args[7] = 0x00; + cmd.len = 8; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + + if (dev->tuner_i2c_addr) + tmp = dev->tuner_i2c_addr; + else + tmp = 0x14; + + cmd.args[0] = CMD_TUNER_INIT; + cmd.args[1] = 0x00; + cmd.args[2] = 0x00; + cmd.args[3] = 0x00; + cmd.args[4] = 0x00; + cmd.args[5] = tmp; + cmd.args[6] = 0x00; + cmd.args[7] = 0x03; + cmd.args[8] = 0x02; + cmd.args[9] = 0x02; + cmd.args[10] = 0x00; + cmd.args[11] = 0x00; + cmd.args[12] = 0x00; + cmd.args[13] = 0x00; + cmd.args[14] = 0x00; + cmd.len = 15; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + + cmd.args[0] = CMD_MPEG_CONFIG; + cmd.args[1] = 0; + cmd.args[2] = dev->ts_mode; + cmd.args[3] = 0x00; + cmd.args[4] = 0x04; + cmd.args[5] = 0x00; + cmd.len = 6; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + + ret = regmap_update_bits(dev->regmap, 0xf0, 0x01, 0x01); + if (ret) + goto error; + + cmd.args[0] = CMD_LNB_CONFIG; + cmd.args[1] = 0; + cmd.args[2] = 150; + cmd.args[3] = 3; + cmd.args[4] = 22; + cmd.args[5] = 1; + cmd.args[6] = 1; + cmd.args[7] = 30; + cmd.args[8] = 30; + cmd.args[9] = 30; + cmd.args[10] = 30; + cmd.len = 11; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + + cmd.args[0] = CMD_BER_CONTROL; + cmd.args[1] = 0; + cmd.args[2] = 14; + cmd.args[3] = 14; + cmd.len = 4; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + } + + /* init stats here in order signal app which stats are supported */ + c->strength.len = 1; + c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->cnr.len = 1; + c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->post_bit_error.len = 1; + c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->block_error.len = 1; + c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + + return ret; +error_release_firmware: + release_firmware(fw); +error: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int tda10071_sleep(struct dvb_frontend *fe) +{ + struct tda10071_dev *dev = fe->demodulator_priv; + struct i2c_client *client = dev->client; + struct tda10071_cmd cmd; + int ret, i; + struct tda10071_reg_val_mask tab[] = { + { 0xcd, 0x07, 0x07 }, + { 0x80, 0x02, 0x02 }, + { 0xcd, 0xc0, 0xc0 }, + { 0xce, 0x1b, 0x1b }, + { 0x9d, 0x01, 0x01 }, + { 0x9d, 0x02, 0x02 }, + { 0x9e, 0x01, 0x01 }, + { 0x87, 0x80, 0x80 }, + { 0xce, 0x08, 0x08 }, + { 0xce, 0x10, 0x10 }, + }; + + if (!dev->warm) { + ret = -EFAULT; + goto error; + } + + cmd.args[0] = CMD_SET_SLEEP_MODE; + cmd.args[1] = 0; + cmd.args[2] = 1; + cmd.len = 3; + ret = tda10071_cmd_execute(dev, &cmd); + if (ret) + goto error; + + for (i = 0; i < ARRAY_SIZE(tab); i++) { + ret = tda10071_wr_reg_mask(dev, tab[i].reg, tab[i].val, + tab[i].mask); + if (ret) + goto error; + } + + return ret; +error: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int tda10071_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings *s) +{ + s->min_delay_ms = 8000; + s->step_size = 0; + s->max_drift = 0; + + return 0; +} + +static const struct dvb_frontend_ops tda10071_ops = { + .delsys = { SYS_DVBS, SYS_DVBS2 }, + .info = { + .name = "NXP TDA10071", + .frequency_min_hz = 950 * MHz, + .frequency_max_hz = 2150 * MHz, + .frequency_tolerance_hz = 5 * MHz, + .symbol_rate_min = 1000000, + .symbol_rate_max = 45000000, + .caps = FE_CAN_INVERSION_AUTO | + FE_CAN_FEC_1_2 | + FE_CAN_FEC_2_3 | + FE_CAN_FEC_3_4 | + FE_CAN_FEC_4_5 | + FE_CAN_FEC_5_6 | + FE_CAN_FEC_6_7 | + FE_CAN_FEC_7_8 | + FE_CAN_FEC_8_9 | + FE_CAN_FEC_AUTO | + FE_CAN_QPSK | + FE_CAN_RECOVER | + FE_CAN_2G_MODULATION + }, + + .get_tune_settings = tda10071_get_tune_settings, + + .init = tda10071_init, + .sleep = tda10071_sleep, + + .set_frontend = tda10071_set_frontend, + .get_frontend = tda10071_get_frontend, + + .read_status = tda10071_read_status, + .read_snr = tda10071_read_snr, + .read_signal_strength = tda10071_read_signal_strength, + .read_ber = tda10071_read_ber, + .read_ucblocks = tda10071_read_ucblocks, + + .diseqc_send_master_cmd = tda10071_diseqc_send_master_cmd, + .diseqc_recv_slave_reply = tda10071_diseqc_recv_slave_reply, + .diseqc_send_burst = tda10071_diseqc_send_burst, + + .set_tone = tda10071_set_tone, + .set_voltage = tda10071_set_voltage, +}; + +static struct dvb_frontend *tda10071_get_dvb_frontend(struct i2c_client *client) +{ + struct tda10071_dev *dev = i2c_get_clientdata(client); + + dev_dbg(&client->dev, "\n"); + + return &dev->fe; +} + +static int tda10071_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct tda10071_dev *dev; + struct tda10071_platform_data *pdata = client->dev.platform_data; + int ret; + unsigned int uitmp; + static const struct regmap_config regmap_config = { + .reg_bits = 8, + .val_bits = 8, + }; + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) { + ret = -ENOMEM; + goto err; + } + + dev->client = client; + mutex_init(&dev->cmd_execute_mutex); + dev->clk = pdata->clk; + dev->i2c_wr_max = pdata->i2c_wr_max; + dev->ts_mode = pdata->ts_mode; + dev->spec_inv = pdata->spec_inv; + dev->pll_multiplier = pdata->pll_multiplier; + dev->tuner_i2c_addr = pdata->tuner_i2c_addr; + dev->regmap = devm_regmap_init_i2c(client, ®map_config); + if (IS_ERR(dev->regmap)) { + ret = PTR_ERR(dev->regmap); + goto err_kfree; + } + + /* chip ID */ + ret = regmap_read(dev->regmap, 0xff, &uitmp); + if (ret) + goto err_kfree; + if (uitmp != 0x0f) { + ret = -ENODEV; + goto err_kfree; + } + + /* chip type */ + ret = regmap_read(dev->regmap, 0xdd, &uitmp); + if (ret) + goto err_kfree; + if (uitmp != 0x00) { + ret = -ENODEV; + goto err_kfree; + } + + /* chip version */ + ret = regmap_read(dev->regmap, 0xfe, &uitmp); + if (ret) + goto err_kfree; + if (uitmp != 0x01) { + ret = -ENODEV; + goto err_kfree; + } + + /* create dvb_frontend */ + memcpy(&dev->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops)); + dev->fe.demodulator_priv = dev; + i2c_set_clientdata(client, dev); + + /* setup callbacks */ + pdata->get_dvb_frontend = tda10071_get_dvb_frontend; + + dev_info(&client->dev, "NXP TDA10071 successfully identified\n"); + return 0; +err_kfree: + kfree(dev); +err: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static void tda10071_remove(struct i2c_client *client) +{ + struct tda10071_dev *dev = i2c_get_clientdata(client); + + dev_dbg(&client->dev, "\n"); + + kfree(dev); +} + +static const struct i2c_device_id tda10071_id_table[] = { + {"tda10071_cx24118", 0}, + {} +}; +MODULE_DEVICE_TABLE(i2c, tda10071_id_table); + +static struct i2c_driver tda10071_driver = { + .driver = { + .name = "tda10071", + .suppress_bind_attrs = true, + }, + .probe = tda10071_probe, + .remove = tda10071_remove, + .id_table = tda10071_id_table, +}; + +module_i2c_driver(tda10071_driver); + +MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); +MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver"); +MODULE_LICENSE("GPL"); +MODULE_FIRMWARE(TDA10071_FIRMWARE); |