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linux-zen-desktop/drivers/media/dvb-frontends/tda10071.c

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27 KiB
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Initial commit
2023-08-30 17:31:07 +02:00
// 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)
{
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, &regmap_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,
},
6.5.5
2023-10-24 12:59:35 +02:00
.probe = tda10071_probe,
Initial commit
2023-08-30 17:31:07 +02:00
.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);