1270 lines
26 KiB
C
1270 lines
26 KiB
C
/*
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* NXP TDA10071 + Conexant CX24118A DVB-S/S2 demodulator + tuner driver
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*
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* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "tda10071_priv.h"
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int tda10071_debug;
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module_param_named(debug, tda10071_debug, int, 0644);
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MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
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static struct dvb_frontend_ops tda10071_ops;
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/* write multiple registers */
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static int tda10071_wr_regs(struct tda10071_priv *priv, u8 reg, u8 *val,
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int len)
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{
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int ret;
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u8 buf[len+1];
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struct i2c_msg msg[1] = {
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{
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.addr = priv->cfg.i2c_address,
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.flags = 0,
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.len = sizeof(buf),
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.buf = buf,
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}
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};
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buf[0] = reg;
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memcpy(&buf[1], val, len);
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ret = i2c_transfer(priv->i2c, msg, 1);
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if (ret == 1) {
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ret = 0;
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} else {
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warn("i2c wr failed=%d reg=%02x len=%d", ret, reg, len);
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ret = -EREMOTEIO;
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}
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return ret;
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}
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/* read multiple registers */
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static int tda10071_rd_regs(struct tda10071_priv *priv, u8 reg, u8 *val,
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int len)
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{
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int ret;
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u8 buf[len];
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struct i2c_msg msg[2] = {
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{
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.addr = priv->cfg.i2c_address,
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.flags = 0,
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.len = 1,
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.buf = ®,
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}, {
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.addr = priv->cfg.i2c_address,
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.flags = I2C_M_RD,
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.len = sizeof(buf),
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.buf = buf,
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}
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};
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ret = i2c_transfer(priv->i2c, msg, 2);
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if (ret == 2) {
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memcpy(val, buf, len);
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ret = 0;
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} else {
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warn("i2c rd failed=%d reg=%02x len=%d", ret, reg, len);
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ret = -EREMOTEIO;
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}
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return ret;
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}
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/* write single register */
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static int tda10071_wr_reg(struct tda10071_priv *priv, u8 reg, u8 val)
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{
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return tda10071_wr_regs(priv, reg, &val, 1);
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}
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/* read single register */
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static int tda10071_rd_reg(struct tda10071_priv *priv, u8 reg, u8 *val)
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{
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return tda10071_rd_regs(priv, reg, val, 1);
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}
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/* write single register with mask */
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int tda10071_wr_reg_mask(struct tda10071_priv *priv, u8 reg, u8 val, u8 mask)
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{
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int ret;
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u8 tmp;
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/* no need for read if whole reg is written */
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if (mask != 0xff) {
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ret = tda10071_rd_regs(priv, reg, &tmp, 1);
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if (ret)
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return ret;
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val &= mask;
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tmp &= ~mask;
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val |= tmp;
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}
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return tda10071_wr_regs(priv, reg, &val, 1);
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}
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/* read single register with mask */
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int tda10071_rd_reg_mask(struct tda10071_priv *priv, u8 reg, u8 *val, u8 mask)
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{
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int ret, i;
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u8 tmp;
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ret = tda10071_rd_regs(priv, reg, &tmp, 1);
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if (ret)
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return ret;
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tmp &= mask;
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/* find position of the first bit */
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for (i = 0; i < 8; i++) {
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if ((mask >> i) & 0x01)
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break;
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}
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*val = tmp >> i;
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return 0;
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}
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/* execute firmware command */
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static int tda10071_cmd_execute(struct tda10071_priv *priv,
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struct tda10071_cmd *cmd)
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{
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int ret, i;
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u8 tmp;
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if (!priv->warm) {
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ret = -EFAULT;
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goto error;
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}
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/* write cmd and args for firmware */
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ret = tda10071_wr_regs(priv, 0x00, cmd->args, cmd->len);
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if (ret)
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goto error;
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/* start cmd execution */
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ret = tda10071_wr_reg(priv, 0x1f, 1);
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if (ret)
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goto error;
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/* wait cmd execution terminate */
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for (i = 1000, tmp = 1; i && tmp; i--) {
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ret = tda10071_rd_reg(priv, 0x1f, &tmp);
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if (ret)
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goto error;
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usleep_range(200, 5000);
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}
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dbg("%s: loop=%d", __func__, i);
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if (i == 0) {
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ret = -ETIMEDOUT;
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goto error;
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}
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return ret;
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error:
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dbg("%s: failed=%d", __func__, ret);
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return ret;
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}
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static int tda10071_set_tone(struct dvb_frontend *fe,
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fe_sec_tone_mode_t fe_sec_tone_mode)
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{
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struct tda10071_priv *priv = fe->demodulator_priv;
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struct tda10071_cmd cmd;
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int ret;
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u8 tone;
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if (!priv->warm) {
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ret = -EFAULT;
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goto error;
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}
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dbg("%s: tone_mode=%d", __func__, fe_sec_tone_mode);
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switch (fe_sec_tone_mode) {
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case SEC_TONE_ON:
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tone = 1;
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break;
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case SEC_TONE_OFF:
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tone = 0;
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break;
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default:
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dbg("%s: invalid fe_sec_tone_mode", __func__);
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ret = -EINVAL;
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goto error;
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}
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cmd.args[0x00] = CMD_LNB_PCB_CONFIG;
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cmd.args[0x01] = 0;
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cmd.args[0x02] = 0x00;
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cmd.args[0x03] = 0x00;
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cmd.args[0x04] = tone;
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cmd.len = 0x05;
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ret = tda10071_cmd_execute(priv, &cmd);
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if (ret)
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goto error;
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return ret;
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error:
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dbg("%s: failed=%d", __func__, ret);
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return ret;
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}
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static int tda10071_set_voltage(struct dvb_frontend *fe,
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fe_sec_voltage_t fe_sec_voltage)
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{
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struct tda10071_priv *priv = fe->demodulator_priv;
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struct tda10071_cmd cmd;
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int ret;
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u8 voltage;
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if (!priv->warm) {
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ret = -EFAULT;
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goto error;
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}
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dbg("%s: voltage=%d", __func__, fe_sec_voltage);
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switch (fe_sec_voltage) {
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case SEC_VOLTAGE_13:
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voltage = 0;
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break;
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case SEC_VOLTAGE_18:
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voltage = 1;
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break;
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case SEC_VOLTAGE_OFF:
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voltage = 0;
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break;
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default:
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dbg("%s: invalid fe_sec_voltage", __func__);
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ret = -EINVAL;
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goto error;
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};
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cmd.args[0x00] = CMD_LNB_SET_DC_LEVEL;
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cmd.args[0x01] = 0;
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cmd.args[0x02] = voltage;
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cmd.len = 0x03;
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ret = tda10071_cmd_execute(priv, &cmd);
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if (ret)
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goto error;
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return ret;
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error:
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dbg("%s: failed=%d", __func__, ret);
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return ret;
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}
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static int tda10071_diseqc_send_master_cmd(struct dvb_frontend *fe,
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struct dvb_diseqc_master_cmd *diseqc_cmd)
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{
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struct tda10071_priv *priv = fe->demodulator_priv;
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struct tda10071_cmd cmd;
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int ret, i;
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u8 tmp;
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if (!priv->warm) {
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ret = -EFAULT;
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goto error;
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}
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dbg("%s: msg_len=%d", __func__, diseqc_cmd->msg_len);
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if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 16) {
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ret = -EINVAL;
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goto error;
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}
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/* wait LNB TX */
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for (i = 500, tmp = 0; i && !tmp; i--) {
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ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01);
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if (ret)
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goto error;
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usleep_range(10000, 20000);
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}
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dbg("%s: loop=%d", __func__, i);
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if (i == 0) {
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ret = -ETIMEDOUT;
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goto error;
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}
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ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01);
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if (ret)
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goto error;
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cmd.args[0x00] = CMD_LNB_SEND_DISEQC;
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cmd.args[0x01] = 0;
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cmd.args[0x02] = 0;
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cmd.args[0x03] = 0;
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cmd.args[0x04] = 2;
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cmd.args[0x05] = 0;
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cmd.args[0x06] = diseqc_cmd->msg_len;
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memcpy(&cmd.args[0x07], diseqc_cmd->msg, diseqc_cmd->msg_len);
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cmd.len = 0x07 + diseqc_cmd->msg_len;
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ret = tda10071_cmd_execute(priv, &cmd);
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if (ret)
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goto error;
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return ret;
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error:
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dbg("%s: failed=%d", __func__, ret);
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return ret;
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}
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static int tda10071_diseqc_recv_slave_reply(struct dvb_frontend *fe,
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struct dvb_diseqc_slave_reply *reply)
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{
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struct tda10071_priv *priv = fe->demodulator_priv;
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struct tda10071_cmd cmd;
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int ret, i;
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u8 tmp;
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if (!priv->warm) {
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ret = -EFAULT;
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goto error;
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}
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dbg("%s:", __func__);
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/* wait LNB RX */
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for (i = 500, tmp = 0; i && !tmp; i--) {
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ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x02);
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if (ret)
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goto error;
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usleep_range(10000, 20000);
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}
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dbg("%s: loop=%d", __func__, i);
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if (i == 0) {
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ret = -ETIMEDOUT;
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goto error;
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}
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/* reply len */
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ret = tda10071_rd_reg(priv, 0x46, &tmp);
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if (ret)
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goto error;
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reply->msg_len = tmp & 0x1f; /* [4:0] */;
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if (reply->msg_len > sizeof(reply->msg))
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reply->msg_len = sizeof(reply->msg); /* truncate API max */
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|
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/* read reply */
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cmd.args[0x00] = CMD_LNB_UPDATE_REPLY;
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cmd.args[0x01] = 0;
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cmd.len = 0x02;
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ret = tda10071_cmd_execute(priv, &cmd);
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if (ret)
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goto error;
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|
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ret = tda10071_rd_regs(priv, cmd.len, reply->msg, reply->msg_len);
|
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if (ret)
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goto error;
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return ret;
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error:
|
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dbg("%s: failed=%d", __func__, ret);
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return ret;
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}
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static int tda10071_diseqc_send_burst(struct dvb_frontend *fe,
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fe_sec_mini_cmd_t fe_sec_mini_cmd)
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{
|
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struct tda10071_priv *priv = fe->demodulator_priv;
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struct tda10071_cmd cmd;
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int ret, i;
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u8 tmp, burst;
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|
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if (!priv->warm) {
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ret = -EFAULT;
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goto error;
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}
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|
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dbg("%s: fe_sec_mini_cmd=%d", __func__, fe_sec_mini_cmd);
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|
|
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switch (fe_sec_mini_cmd) {
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case SEC_MINI_A:
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burst = 0;
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break;
|
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case SEC_MINI_B:
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burst = 1;
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break;
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default:
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dbg("%s: invalid fe_sec_mini_cmd", __func__);
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ret = -EINVAL;
|
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goto error;
|
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}
|
|
|
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/* wait LNB TX */
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for (i = 500, tmp = 0; i && !tmp; i--) {
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ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01);
|
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if (ret)
|
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goto error;
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|
|
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usleep_range(10000, 20000);
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}
|
|
|
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dbg("%s: loop=%d", __func__, i);
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|
|
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if (i == 0) {
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ret = -ETIMEDOUT;
|
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goto error;
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|
}
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|
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ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01);
|
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if (ret)
|
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goto error;
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|
|
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cmd.args[0x00] = CMD_LNB_SEND_TONEBURST;
|
|
cmd.args[0x01] = 0;
|
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cmd.args[0x02] = burst;
|
|
cmd.len = 0x03;
|
|
ret = tda10071_cmd_execute(priv, &cmd);
|
|
if (ret)
|
|
goto error;
|
|
|
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return ret;
|
|
error:
|
|
dbg("%s: failed=%d", __func__, ret);
|
|
return ret;
|
|
}
|
|
|
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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:
|
|
dbg("%s: failed=%d", __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:
|
|
dbg("%s: failed=%d", __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[0x00] = CMD_GET_AGCACC;
|
|
cmd.args[0x01] = 0;
|
|
cmd.len = 0x02;
|
|
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:
|
|
dbg("%s: failed=%d", __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) {
|
|
dbg("%s: meas not ready=%02x", __func__, tmp);
|
|
*ber = priv->ber;
|
|
return 0;
|
|
} else {
|
|
priv->meas_count[i] = tmp;
|
|
}
|
|
|
|
cmd.args[0x00] = CMD_BER_UPDATE_COUNTERS;
|
|
cmd.args[0x01] = 0;
|
|
cmd.args[0x02] = i;
|
|
cmd.len = 0x03;
|
|
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:
|
|
dbg("%s: failed=%d", __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:
|
|
dbg("%s: failed=%d", __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;
|
|
|
|
dbg("%s: delivery_system=%d modulation=%d frequency=%d " \
|
|
"symbol_rate=%d inversion=%d pilot=%d rolloff=%d", __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:
|
|
dbg("%s: invalid inversion", __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:
|
|
dbg("%s: invalid rolloff", __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:
|
|
dbg("%s: invalid pilot", __func__);
|
|
ret = -EINVAL;
|
|
goto error;
|
|
}
|
|
break;
|
|
default:
|
|
dbg("%s: invalid delivery_system", __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;
|
|
dbg("%s: mode found=%02x", __func__, mode);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (mode == 0xff) {
|
|
dbg("%s: invalid parameter combination", __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[0x00] = CMD_CHANGE_CHANNEL;
|
|
cmd.args[0x01] = 0;
|
|
cmd.args[0x02] = mode;
|
|
cmd.args[0x03] = (c->frequency >> 16) & 0xff;
|
|
cmd.args[0x04] = (c->frequency >> 8) & 0xff;
|
|
cmd.args[0x05] = (c->frequency >> 0) & 0xff;
|
|
cmd.args[0x06] = ((c->symbol_rate / 1000) >> 8) & 0xff;
|
|
cmd.args[0x07] = ((c->symbol_rate / 1000) >> 0) & 0xff;
|
|
cmd.args[0x08] = (tda10071_ops.info.frequency_tolerance >> 8) & 0xff;
|
|
cmd.args[0x09] = (tda10071_ops.info.frequency_tolerance >> 0) & 0xff;
|
|
cmd.args[0x0a] = rolloff;
|
|
cmd.args[0x0b] = inversion;
|
|
cmd.args[0x0c] = pilot;
|
|
cmd.args[0x0d] = 0x00;
|
|
cmd.args[0x0e] = 0x00;
|
|
cmd.len = 0x0f;
|
|
ret = tda10071_cmd_execute(priv, &cmd);
|
|
if (ret)
|
|
goto error;
|
|
|
|
priv->delivery_system = c->delivery_system;
|
|
|
|
return ret;
|
|
error:
|
|
dbg("%s: failed=%d", __func__, ret);
|
|
return ret;
|
|
}
|
|
|
|
static int tda10071_get_frontend(struct dvb_frontend *fe,
|
|
struct dtv_frontend_properties *p)
|
|
{
|
|
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:
|
|
dbg("%s: failed=%d", __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[0x00] = CMD_SET_SLEEP_MODE;
|
|
cmd.args[0x01] = 0;
|
|
cmd.args[0x02] = 0;
|
|
cmd.len = 0x03;
|
|
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) {
|
|
err("did not find the firmware file. (%s) "
|
|
"Please see linux/Documentation/dvb/ for more" \
|
|
" details on firmware-problems. (%d)",
|
|
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;
|
|
|
|
info("found a '%s' in cold state, will try to load a firmware",
|
|
tda10071_ops.info.name);
|
|
|
|
info("downloading firmware from file '%s'", 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) {
|
|
err("firmware download failed=%d", 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) {
|
|
info("firmware did not run");
|
|
ret = -EFAULT;
|
|
goto error;
|
|
} else {
|
|
priv->warm = 1;
|
|
}
|
|
|
|
cmd.args[0x00] = CMD_GET_FW_VERSION;
|
|
cmd.len = 0x01;
|
|
ret = tda10071_cmd_execute(priv, &cmd);
|
|
if (ret)
|
|
goto error;
|
|
|
|
ret = tda10071_rd_regs(priv, cmd.len, buf, 4);
|
|
if (ret)
|
|
goto error;
|
|
|
|
info("firmware version %d.%d.%d.%d",
|
|
buf[0], buf[1], buf[2], buf[3]);
|
|
info("found a '%s' in warm state.", tda10071_ops.info.name);
|
|
|
|
ret = tda10071_rd_regs(priv, 0x81, buf, 2);
|
|
if (ret)
|
|
goto error;
|
|
|
|
cmd.args[0x00] = CMD_DEMOD_INIT;
|
|
cmd.args[0x01] = ((priv->cfg.xtal / 1000) >> 8) & 0xff;
|
|
cmd.args[0x02] = ((priv->cfg.xtal / 1000) >> 0) & 0xff;
|
|
cmd.args[0x03] = buf[0];
|
|
cmd.args[0x04] = buf[1];
|
|
cmd.args[0x05] = priv->cfg.pll_multiplier;
|
|
cmd.args[0x06] = priv->cfg.spec_inv;
|
|
cmd.args[0x07] = 0x00;
|
|
cmd.len = 0x08;
|
|
ret = tda10071_cmd_execute(priv, &cmd);
|
|
if (ret)
|
|
goto error;
|
|
|
|
cmd.args[0x00] = CMD_TUNER_INIT;
|
|
cmd.args[0x01] = 0x00;
|
|
cmd.args[0x02] = 0x00;
|
|
cmd.args[0x03] = 0x00;
|
|
cmd.args[0x04] = 0x00;
|
|
cmd.args[0x05] = 0x14;
|
|
cmd.args[0x06] = 0x00;
|
|
cmd.args[0x07] = 0x03;
|
|
cmd.args[0x08] = 0x02;
|
|
cmd.args[0x09] = 0x02;
|
|
cmd.args[0x0a] = 0x00;
|
|
cmd.args[0x0b] = 0x00;
|
|
cmd.args[0x0c] = 0x00;
|
|
cmd.args[0x0d] = 0x00;
|
|
cmd.args[0x0e] = 0x00;
|
|
cmd.len = 0x0f;
|
|
ret = tda10071_cmd_execute(priv, &cmd);
|
|
if (ret)
|
|
goto error;
|
|
|
|
cmd.args[0x00] = CMD_MPEG_CONFIG;
|
|
cmd.args[0x01] = 0;
|
|
cmd.args[0x02] = priv->cfg.ts_mode;
|
|
cmd.args[0x03] = 0x00;
|
|
cmd.args[0x04] = 0x04;
|
|
cmd.args[0x05] = 0x00;
|
|
cmd.len = 0x06;
|
|
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[0x00] = CMD_LNB_CONFIG;
|
|
cmd.args[0x01] = 0;
|
|
cmd.args[0x02] = 150;
|
|
cmd.args[0x03] = 3;
|
|
cmd.args[0x04] = 22;
|
|
cmd.args[0x05] = 1;
|
|
cmd.args[0x06] = 1;
|
|
cmd.args[0x07] = 30;
|
|
cmd.args[0x08] = 30;
|
|
cmd.args[0x09] = 30;
|
|
cmd.args[0x0a] = 30;
|
|
cmd.len = 0x0b;
|
|
ret = tda10071_cmd_execute(priv, &cmd);
|
|
if (ret)
|
|
goto error;
|
|
|
|
cmd.args[0x00] = CMD_BER_CONTROL;
|
|
cmd.args[0x01] = 0;
|
|
cmd.args[0x02] = 14;
|
|
cmd.args[0x03] = 14;
|
|
cmd.len = 0x04;
|
|
ret = tda10071_cmd_execute(priv, &cmd);
|
|
if (ret)
|
|
goto error;
|
|
}
|
|
|
|
return ret;
|
|
error_release_firmware:
|
|
release_firmware(fw);
|
|
error:
|
|
dbg("%s: failed=%d", __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[0x00] = CMD_SET_SLEEP_MODE;
|
|
cmd.args[0x01] = 0;
|
|
cmd.args[0x02] = 1;
|
|
cmd.len = 0x03;
|
|
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:
|
|
dbg("%s: failed=%d", __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:
|
|
dbg("%s: failed=%d", __func__, ret);
|
|
kfree(priv);
|
|
return NULL;
|
|
}
|
|
EXPORT_SYMBOL(tda10071_attach);
|
|
|
|
static struct dvb_frontend_ops tda10071_ops = {
|
|
.delsys = { SYS_DVBT, SYS_DVBT2 },
|
|
.info = {
|
|
.name = "NXP TDA10071",
|
|
.type = FE_QPSK,
|
|
.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");
|