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- // 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 int tda10071_remove(struct i2c_client *client)
- {
- struct tda10071_dev *dev = i2c_get_clientdata(client);
- dev_dbg(&client->dev, "\n");
- kfree(dev);
- return 0;
- }
- 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);
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