- 根目录:
- drivers
- media
- dvb-frontends
- tda10071.c
/*
* NXP TDA10071 + Conexant CX24118A DVB-S/S2 demodulator + tuner driver
*
* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "tda10071_priv.h"
/* Max transfer size done by I2C transfer functions */
#define MAX_XFER_SIZE 64
static struct dvb_frontend_ops tda10071_ops;
/* write multiple registers */
static int tda10071_wr_regs(struct tda10071_priv *priv, u8 reg, u8 *val,
int len)
{
int ret;
u8 buf[MAX_XFER_SIZE];
struct i2c_msg msg[1] = {
{
.addr = priv->cfg.demod_i2c_addr,
.flags = 0,
.len = 1 + len,
.buf = buf,
}
};
if (1 + len > sizeof(buf)) {
dev_warn(&priv->i2c->dev,
"%s: i2c wr reg=%04x: len=%d is too big!\n",
KBUILD_MODNAME, reg, len);
return -EINVAL;
}
buf[0] = reg;
memcpy(&buf[1], val, len);
ret = i2c_transfer(priv->i2c, msg, 1);
if (ret == 1) {
ret = 0;
} else {
dev_warn(&priv->i2c->dev, "%s: i2c wr failed=%d reg=%02x " \
"len=%d\n", KBUILD_MODNAME, ret, reg, len);
ret = -EREMOTEIO;
}
return ret;
}
/* read multiple registers */
static int tda10071_rd_regs(struct tda10071_priv *priv, u8 reg, u8 *val,
int len)
{
int ret;
u8 buf[MAX_XFER_SIZE];
struct i2c_msg msg[2] = {
{
.addr = priv->cfg.demod_i2c_addr,
.flags = 0,
.len = 1,
.buf = ®,
}, {
.addr = priv->cfg.demod_i2c_addr,
.flags = I2C_M_RD,
.len = len,
.buf = buf,
}
};
if (len > sizeof(buf)) {
dev_warn(&priv->i2c->dev,
"%s: i2c wr reg=%04x: len=%d is too big!\n",
KBUILD_MODNAME, reg, len);
return -EINVAL;
}
ret = i2c_transfer(priv->i2c, msg, 2);
if (ret == 2) {
memcpy(val, buf, len);
ret = 0;
} else {
dev_warn(&priv->i2c->dev, "%s: i2c rd failed=%d reg=%02x " \
"len=%d\n", KBUILD_MODNAME, ret, reg, len);
ret = -EREMOTEIO;
}
return ret;
}
/* write single register */
static int tda10071_wr_reg(struct tda10071_priv *priv, u8 reg, u8 val)
{
return tda10071_wr_regs(priv, reg, &val, 1);
}
/* read single register */
static int tda10071_rd_reg(struct tda10071_priv *priv, u8 reg, u8 *val)
{
return tda10071_rd_regs(priv, reg, val, 1);
}
/* write single register with mask */
static int tda10071_wr_reg_mask(struct tda10071_priv *priv,
u8 reg, u8 val, u8 mask)
{
int ret;
u8 tmp;
/* no need for read if whole reg is written */
if (mask != 0xff) {
ret = tda10071_rd_regs(priv, reg, &tmp, 1);
if (ret)
return ret;
val &= mask;
tmp &= ~mask;
val |= tmp;
}
return tda10071_wr_regs(priv, reg, &val, 1);
}
/* read single register with mask */
static int tda10071_rd_reg_mask(struct tda10071_priv *priv,
u8 reg, u8 *val, u8 mask)
{
int ret, i;
u8 tmp;
ret = tda10071_rd_regs(priv, reg, &tmp, 1);
if (ret)
return ret;
tmp &= mask;
/* find position of the first bit */
for (i = 0; i < 8; i++) {
if ((mask >> i) & 0x01)
break;
}
*val = tmp >> i;
return 0;
}
/* execute firmware command */
static int tda10071_cmd_execute(struct tda10071_priv *priv,
struct tda10071_cmd *cmd)
{
int ret, i;
u8 tmp;
if (!priv->warm) {
ret = -EFAULT;
goto error;
}
/* write cmd and args for firmware */
ret = tda10071_wr_regs(priv, 0x00, cmd->args, cmd->len);
if (ret)
goto error;
/* start cmd execution */
ret = tda10071_wr_reg(priv, 0x1f, 1);
if (ret)
goto error;
/* wait cmd execution terminate */
for (i = 1000, tmp = 1; i && tmp; i--) {
ret = tda10071_rd_reg(priv, 0x1f, &tmp);
if (ret)
goto error;
usleep_range(200, 5000);
}
dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
if (i == 0) {
ret = -ETIMEDOUT;
goto error;
}
return ret;
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int tda10071_set_tone(struct dvb_frontend *fe,
fe_sec_tone_mode_t fe_sec_tone_mode)
{
struct tda10071_priv *priv = fe->demodulator_priv;
struct tda10071_cmd cmd;
int ret;
u8 tone;
if (!priv->warm) {
ret = -EFAULT;
goto error;
}
dev_dbg(&priv->i2c->dev, "%s: tone_mode=%d\n", __func__,
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(&priv->i2c->dev, "%s: invalid fe_sec_tone_mode\n",
__func__);
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(priv, &cmd);
if (ret)
goto error;
return ret;
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int tda10071_set_voltage(struct dvb_frontend *fe,
fe_sec_voltage_t fe_sec_voltage)
{
struct tda10071_priv *priv = fe->demodulator_priv;
struct tda10071_cmd cmd;
int ret;
u8 voltage;
if (!priv->warm) {
ret = -EFAULT;
goto error;
}
dev_dbg(&priv->i2c->dev, "%s: voltage=%d\n", __func__, 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(&priv->i2c->dev, "%s: invalid fe_sec_voltage\n",
__func__);
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(priv, &cmd);
if (ret)
goto error;
return ret;
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int tda10071_diseqc_send_master_cmd(struct dvb_frontend *fe,
struct dvb_diseqc_master_cmd *diseqc_cmd)
{
struct tda10071_priv *priv = fe->demodulator_priv;
struct tda10071_cmd cmd;
int ret, i;
u8 tmp;
if (!priv->warm) {
ret = -EFAULT;
goto error;
}
dev_dbg(&priv->i2c->dev, "%s: msg_len=%d\n", __func__,
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, tmp = 0; i && !tmp; i--) {
ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01);
if (ret)
goto error;
usleep_range(10000, 20000);
}
dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
if (i == 0) {
ret = -ETIMEDOUT;
goto error;
}
ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01);
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(priv, &cmd);
if (ret)
goto error;
return ret;
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int tda10071_diseqc_recv_slave_reply(struct dvb_frontend *fe,
struct dvb_diseqc_slave_reply *reply)
{
struct tda10071_priv *priv = fe->demodulator_priv;
struct tda10071_cmd cmd;
int ret, i;
u8 tmp;
if (!priv->warm) {
ret = -EFAULT;
goto error;
}
dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
/* wait LNB RX */
for (i = 500, tmp = 0; i && !tmp; i--) {
ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x02);
if (ret)
goto error;
usleep_range(10000, 20000);
}
dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
if (i == 0) {
ret = -ETIMEDOUT;
goto error;
}
/* reply len */
ret = tda10071_rd_reg(priv, 0x46, &tmp);
if (ret)
goto error;
reply->msg_len = tmp & 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(priv, &cmd);
if (ret)
goto error;
ret = tda10071_rd_regs(priv, cmd.len, reply->msg, reply->msg_len);
if (ret)
goto error;
return ret;
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int tda10071_diseqc_send_burst(struct dvb_frontend *fe,
fe_sec_mini_cmd_t fe_sec_mini_cmd)
{
struct tda10071_priv *priv = fe->demodulator_priv;
struct tda10071_cmd cmd;
int ret, i;
u8 tmp, burst;
if (!priv->warm) {
ret = -EFAULT;
goto error;
}
dev_dbg(&priv->i2c->dev, "%s: fe_sec_mini_cmd=%d\n", __func__,
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(&priv->i2c->dev, "%s: invalid fe_sec_mini_cmd\n",
__func__);
ret = -EINVAL;
goto error;
}
/* wait LNB TX */
for (i = 500, tmp = 0; i && !tmp; i--) {
ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01);
if (ret)
goto error;
usleep_range(10000, 20000);
}
dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
if (i == 0) {
ret = -ETIMEDOUT;
goto error;
}
ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01);
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(priv, &cmd);
if (ret)
goto error;
return ret;
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int tda10071_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
struct tda10071_priv *priv = fe->demodulator_priv;
int ret;
u8 tmp;
*status = 0;
if (!priv->warm) {
ret = 0;
goto error;
}
ret = tda10071_rd_reg(priv, 0x39, &tmp);
if (ret)
goto error;
if (tmp & 0x01) /* tuner PLL */
*status |= FE_HAS_SIGNAL;
if (tmp & 0x02) /* demod PLL */
*status |= FE_HAS_CARRIER;
if (tmp & 0x04) /* viterbi or LDPC*/
*status |= FE_HAS_VITERBI;
if (tmp & 0x08) /* RS or BCH */
*status |= FE_HAS_SYNC | FE_HAS_LOCK;
priv->fe_status = *status;
return ret;
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int tda10071_read_snr(struct dvb_frontend *fe, u16 *snr)
{
struct tda10071_priv *priv = fe->demodulator_priv;
int ret;
u8 buf[2];
if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
*snr = 0;
ret = 0;
goto error;
}
ret = tda10071_rd_regs(priv, 0x3a, buf, 2);
if (ret)
goto error;
/* Es/No dBx10 */
*snr = buf[0] << 8 | buf[1];
return ret;
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int tda10071_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
{
struct tda10071_priv *priv = fe->demodulator_priv;
struct tda10071_cmd cmd;
int ret;
u8 tmp;
if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
*strength = 0;
ret = 0;
goto error;
}
cmd.args[0] = CMD_GET_AGCACC;
cmd.args[1] = 0;
cmd.len = 2;
ret = tda10071_cmd_execute(priv, &cmd);
if (ret)
goto error;
/* input power estimate dBm */
ret = tda10071_rd_reg(priv, 0x50, &tmp);
if (ret)
goto error;
if (tmp < 181)
tmp = 181; /* -75 dBm */
else if (tmp > 236)
tmp = 236; /* -20 dBm */
/* scale value to 0x0000-0xffff */
*strength = (tmp-181) * 0xffff / (236-181);
return ret;
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int tda10071_read_ber(struct dvb_frontend *fe, u32 *ber)
{
struct tda10071_priv *priv = fe->demodulator_priv;
struct tda10071_cmd cmd;
int ret, i, len;
u8 tmp, reg, buf[8];
if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
*ber = priv->ber = 0;
ret = 0;
goto error;
}
switch (priv->delivery_system) {
case SYS_DVBS:
reg = 0x4c;
len = 8;
i = 1;
break;
case SYS_DVBS2:
reg = 0x4d;
len = 4;
i = 0;
break;
default:
*ber = priv->ber = 0;
return 0;
}
ret = tda10071_rd_reg(priv, reg, &tmp);
if (ret)
goto error;
if (priv->meas_count[i] == tmp) {
dev_dbg(&priv->i2c->dev, "%s: meas not ready=%02x\n", __func__,
tmp);
*ber = priv->ber;
return 0;
} else {
priv->meas_count[i] = tmp;
}
cmd.args[0] = CMD_BER_UPDATE_COUNTERS;
cmd.args[1] = 0;
cmd.args[2] = i;
cmd.len = 3;
ret = tda10071_cmd_execute(priv, &cmd);
if (ret)
goto error;
ret = tda10071_rd_regs(priv, cmd.len, buf, len);
if (ret)
goto error;
if (priv->delivery_system == SYS_DVBS) {
*ber = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
priv->ucb += (buf[4] << 8) | buf[5];
} else {
*ber = (buf[0] << 8) | buf[1];
}
priv->ber = *ber;
return ret;
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int tda10071_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
struct tda10071_priv *priv = fe->demodulator_priv;
int ret = 0;
if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
*ucblocks = 0;
goto error;
}
/* UCB is updated when BER is read. Assume BER is read anyway. */
*ucblocks = priv->ucb;
return ret;
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int tda10071_set_frontend(struct dvb_frontend *fe)
{
struct tda10071_priv *priv = fe->demodulator_priv;
struct tda10071_cmd cmd;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret, i;
u8 mode, rolloff, pilot, inversion, div;
dev_dbg(&priv->i2c->dev, "%s: delivery_system=%d modulation=%d " \
"frequency=%d symbol_rate=%d inversion=%d pilot=%d " \
"rolloff=%d\n", __func__, c->delivery_system, c->modulation,
c->frequency, c->symbol_rate, c->inversion, c->pilot,
c->rolloff);
priv->delivery_system = SYS_UNDEFINED;
if (!priv->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(&priv->i2c->dev, "%s: invalid inversion\n", __func__);
ret = -EINVAL;
goto error;
}
switch (c->delivery_system) {
case SYS_DVBS:
rolloff = 0;
pilot = 2;
break;
case SYS_DVBS2:
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(&priv->i2c->dev, "%s: invalid rolloff\n",
__func__);
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(&priv->i2c->dev, "%s: invalid pilot\n",
__func__);
ret = -EINVAL;
goto error;
}
break;
default:
dev_dbg(&priv->i2c->dev, "%s: invalid delivery_system\n",
__func__);
ret = -EINVAL;
goto error;
}
for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
if (c->delivery_system == TDA10071_MODCOD[i].delivery_system &&
c->modulation == TDA10071_MODCOD[i].modulation &&
c->fec_inner == TDA10071_MODCOD[i].fec) {
mode = TDA10071_MODCOD[i].val;
dev_dbg(&priv->i2c->dev, "%s: mode found=%02x\n",
__func__, mode);
break;
}
}
if (mode == 0xff) {
dev_dbg(&priv->i2c->dev, "%s: invalid parameter combination\n",
__func__);
ret = -EINVAL;
goto error;
}
if (c->symbol_rate <= 5000000)
div = 14;
else
div = 4;
ret = tda10071_wr_reg(priv, 0x81, div);
if (ret)
goto error;
ret = tda10071_wr_reg(priv, 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 >> 8) & 0xff;
cmd.args[9] = (tda10071_ops.info.frequency_tolerance >> 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(priv, &cmd);
if (ret)
goto error;
priv->delivery_system = c->delivery_system;
return ret;
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int tda10071_get_frontend(struct dvb_frontend *fe)
{
struct tda10071_priv *priv = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret, i;
u8 buf[5], tmp;
if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
ret = -EFAULT;
goto error;
}
ret = tda10071_rd_regs(priv, 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_OFF;
break;
case 1:
c->inversion = INVERSION_ON;
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 = tda10071_rd_regs(priv, 0x52, buf, 3);
if (ret)
goto error;
c->symbol_rate = (buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0);
return ret;
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int tda10071_init(struct dvb_frontend *fe)
{
struct tda10071_priv *priv = fe->demodulator_priv;
struct tda10071_cmd cmd;
int ret, i, len, remaining, fw_size;
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, priv->cfg.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 (priv->warm) {
/* warm state - wake up device from sleep */
for (i = 0; i < ARRAY_SIZE(tab); i++) {
ret = tda10071_wr_reg_mask(priv, 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(priv, &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, priv->i2c->dev.parent);
if (ret) {
dev_err(&priv->i2c->dev, "%s: did not find the " \
"firmware file. (%s) Please see " \
"linux/Documentation/dvb/ for more " \
"details on firmware-problems. (%d)\n",
KBUILD_MODNAME, fw_file, ret);
goto error;
}
/* init */
for (i = 0; i < ARRAY_SIZE(tab2); i++) {
ret = tda10071_wr_reg_mask(priv, tab2[i].reg,
tab2[i].val, tab2[i].mask);
if (ret)
goto error_release_firmware;
}
/* download firmware */
ret = tda10071_wr_reg(priv, 0xe0, 0x7f);
if (ret)
goto error_release_firmware;
ret = tda10071_wr_reg(priv, 0xf7, 0x81);
if (ret)
goto error_release_firmware;
ret = tda10071_wr_reg(priv, 0xf8, 0x00);
if (ret)
goto error_release_firmware;
ret = tda10071_wr_reg(priv, 0xf9, 0x00);
if (ret)
goto error_release_firmware;
dev_info(&priv->i2c->dev, "%s: found a '%s' in cold state, " \
"will try to load a firmware\n", KBUILD_MODNAME,
tda10071_ops.info.name);
dev_info(&priv->i2c->dev, "%s: downloading firmware from " \
"file '%s'\n", KBUILD_MODNAME, fw_file);
/* do not download last byte */
fw_size = fw->size - 1;
for (remaining = fw_size; remaining > 0;
remaining -= (priv->cfg.i2c_wr_max - 1)) {
len = remaining;
if (len > (priv->cfg.i2c_wr_max - 1))
len = (priv->cfg.i2c_wr_max - 1);
ret = tda10071_wr_regs(priv, 0xfa,
(u8 *) &fw->data[fw_size - remaining], len);
if (ret) {
dev_err(&priv->i2c->dev, "%s: firmware " \
"download failed=%d\n",
KBUILD_MODNAME, ret);
if (ret)
goto error_release_firmware;
}
}
release_firmware(fw);
ret = tda10071_wr_reg(priv, 0xf7, 0x0c);
if (ret)
goto error;
ret = tda10071_wr_reg(priv, 0xe0, 0x00);
if (ret)
goto error;
/* wait firmware start */
msleep(250);
/* firmware status */
ret = tda10071_rd_reg(priv, 0x51, &tmp);
if (ret)
goto error;
if (tmp) {
dev_info(&priv->i2c->dev, "%s: firmware did not run\n",
KBUILD_MODNAME);
ret = -EFAULT;
goto error;
} else {
priv->warm = 1;
}
cmd.args[0] = CMD_GET_FW_VERSION;
cmd.len = 1;
ret = tda10071_cmd_execute(priv, &cmd);
if (ret)
goto error;
ret = tda10071_rd_regs(priv, cmd.len, buf, 4);
if (ret)
goto error;
dev_info(&priv->i2c->dev, "%s: firmware version %d.%d.%d.%d\n",
KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3]);
dev_info(&priv->i2c->dev, "%s: found a '%s' in warm state\n",
KBUILD_MODNAME, tda10071_ops.info.name);
ret = tda10071_rd_regs(priv, 0x81, buf, 2);
if (ret)
goto error;
cmd.args[0] = CMD_DEMOD_INIT;
cmd.args[1] = ((priv->cfg.xtal / 1000) >> 8) & 0xff;
cmd.args[2] = ((priv->cfg.xtal / 1000) >> 0) & 0xff;
cmd.args[3] = buf[0];
cmd.args[4] = buf[1];
cmd.args[5] = priv->cfg.pll_multiplier;
cmd.args[6] = priv->cfg.spec_inv;
cmd.args[7] = 0x00;
cmd.len = 8;
ret = tda10071_cmd_execute(priv, &cmd);
if (ret)
goto error;
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] = (priv->cfg.tuner_i2c_addr) ? priv->cfg.tuner_i2c_addr : 0x14;
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(priv, &cmd);
if (ret)
goto error;
cmd.args[0] = CMD_MPEG_CONFIG;
cmd.args[1] = 0;
cmd.args[2] = priv->cfg.ts_mode;
cmd.args[3] = 0x00;
cmd.args[4] = 0x04;
cmd.args[5] = 0x00;
cmd.len = 6;
ret = tda10071_cmd_execute(priv, &cmd);
if (ret)
goto error;
ret = tda10071_wr_reg_mask(priv, 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(priv, &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(priv, &cmd);
if (ret)
goto error;
}
return ret;
error_release_firmware:
release_firmware(fw);
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int tda10071_sleep(struct dvb_frontend *fe)
{
struct tda10071_priv *priv = fe->demodulator_priv;
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 (!priv->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(priv, &cmd);
if (ret)
goto error;
for (i = 0; i < ARRAY_SIZE(tab); i++) {
ret = tda10071_wr_reg_mask(priv, tab[i].reg, tab[i].val,
tab[i].mask);
if (ret)
goto error;
}
return ret;
error:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, 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 void tda10071_release(struct dvb_frontend *fe)
{
struct tda10071_priv *priv = fe->demodulator_priv;
kfree(priv);
}
struct dvb_frontend *tda10071_attach(const struct tda10071_config *config,
struct i2c_adapter *i2c)
{
int ret;
struct tda10071_priv *priv = NULL;
u8 tmp;
/* allocate memory for the internal priv */
priv = kzalloc(sizeof(struct tda10071_priv), GFP_KERNEL);
if (priv == NULL) {
ret = -ENOMEM;
goto error;
}
/* make sure demod i2c address is specified */
if (!config->demod_i2c_addr) {
dev_dbg(&i2c->dev, "%s: invalid demod i2c address!\n", __func__);
ret = -EINVAL;
goto error;
}
/* make sure tuner i2c address is specified */
if (!config->tuner_i2c_addr) {
dev_dbg(&i2c->dev, "%s: invalid tuner i2c address!\n", __func__);
ret = -EINVAL;
goto error;
}
/* setup the priv */
priv->i2c = i2c;
memcpy(&priv->cfg, config, sizeof(struct tda10071_config));
/* chip ID */
ret = tda10071_rd_reg(priv, 0xff, &tmp);
if (ret || tmp != 0x0f)
goto error;
/* chip type */
ret = tda10071_rd_reg(priv, 0xdd, &tmp);
if (ret || tmp != 0x00)
goto error;
/* chip version */
ret = tda10071_rd_reg(priv, 0xfe, &tmp);
if (ret || tmp != 0x01)
goto error;
/* create dvb_frontend */
memcpy(&priv->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops));
priv->fe.demodulator_priv = priv;
return &priv->fe;
error:
dev_dbg(&i2c->dev, "%s: failed=%d\n", __func__, ret);
kfree(priv);
return NULL;
}
EXPORT_SYMBOL(tda10071_attach);
static struct dvb_frontend_ops tda10071_ops = {
.delsys = { SYS_DVBS, SYS_DVBS2 },
.info = {
.name = "NXP TDA10071",
.frequency_min = 950000,
.frequency_max = 2150000,
.frequency_tolerance = 5000,
.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
},
.release = tda10071_release,
.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,
};
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver");
MODULE_LICENSE("GPL");
MODULE_FIRMWARE(TDA10071_FIRMWARE);