/* * 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; /* 0x39[0] tuner PLL */ if (tmp & 0x02) /* demod PLL */ *status |= FE_HAS_SIGNAL | 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_ON; break; case 1: c->inversion = INVERSION_OFF; break; } switch ((buf[1] >> 7) & 0x01) { case 0: c->pilot = PILOT_OFF; break; case 1: c->pilot = PILOT_ON; break; } c->frequency = (buf[2] << 16) | (buf[3] << 8) | (buf[4] << 0); ret = tda10071_rd_regs(priv, 0x52, buf, 3); if (ret) goto error; c->symbol_rate = ((buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0)) * 1000; return ret; error: dev_dbg(&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); 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 = true; } 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; if (priv->cfg.tuner_i2c_addr) tmp = priv->cfg.tuner_i2c_addr; else tmp = 0x14; cmd.args[0] = CMD_TUNER_INIT; cmd.args[1] = 0x00; cmd.args[2] = 0x00; cmd.args[3] = 0x00; cmd.args[4] = 0x00; cmd.args[5] = tmp; cmd.args[6] = 0x00; cmd.args[7] = 0x03; cmd.args[8] = 0x02; cmd.args[9] = 0x02; cmd.args[10] = 0x00; cmd.args[11] = 0x00; cmd.args[12] = 0x00; cmd.args[13] = 0x00; cmd.args[14] = 0x00; cmd.len = 15; ret = tda10071_cmd_execute(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);