summaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb/frontends/tda10071.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb/frontends/tda10071.c')
-rw-r--r--drivers/media/dvb/frontends/tda10071.c1284
1 files changed, 0 insertions, 1284 deletions
diff --git a/drivers/media/dvb/frontends/tda10071.c b/drivers/media/dvb/frontends/tda10071.c
deleted file mode 100644
index 703c3d0..0000000
--- a/drivers/media/dvb/frontends/tda10071.c
+++ /dev/null
@@ -1,1284 +0,0 @@
-/*
- * 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"
-
-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[len+1];
- struct i2c_msg msg[1] = {
- {
- .addr = priv->cfg.i2c_address,
- .flags = 0,
- .len = sizeof(buf),
- .buf = buf,
- }
- };
-
- 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[len];
- struct i2c_msg msg[2] = {
- {
- .addr = priv->cfg.i2c_address,
- .flags = 0,
- .len = 1,
- .buf = &reg,
- }, {
- .addr = priv->cfg.i2c_address,
- .flags = I2C_M_RD,
- .len = sizeof(buf),
- .buf = buf,
- }
- };
-
- 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 */
-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 */
-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_DEFAULT_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 },
- };
-
- /* firmware status */
- ret = tda10071_rd_reg(priv, 0x51, &tmp);
- if (ret)
- goto error;
-
- if (!tmp) {
- /* warm state - wake up device from sleep */
- priv->warm = 1;
-
- 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 */
- priv->warm = 0;
-
- /* 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] = 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;
- }
-
- /* 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");
OpenPOWER on IntegriCloud