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Diffstat (limited to 'drivers/media/dvb-frontends/tda10071.c')
-rw-r--r--drivers/media/dvb-frontends/tda10071.c1284
1 files changed, 1284 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/tda10071.c b/drivers/media/dvb-frontends/tda10071.c
new file mode 100644
index 00000000000..703c3d05f9f
--- /dev/null
+++ b/drivers/media/dvb-frontends/tda10071.c
@@ -0,0 +1,1284 @@
+/*
+ * 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");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-02 07:19:41 +0000