| /* |
| * 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; |
| fe_modulation_t modulation; |
| |
| 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: |
| 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(&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 && |
| 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); |