[media] Montage M88TS2022 silicon tuner driver
M88TS2022 is DVB-S/S2 RF tuner used usually in conjunction with Montage M88DS3103 DVB-S/S2 demodulator. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Antti Palosaari
Mauro Carvalho Chehab
parent
395d00d1ca
commit
695efd010b
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@ -215,6 +215,13 @@ config MEDIA_TUNER_FC2580
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help
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FCI FC2580 silicon tuner driver.
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config MEDIA_TUNER_M88TS2022
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tristate "Montage M88TS2022 silicon tuner"
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depends on MEDIA_SUPPORT && I2C
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default m if !MEDIA_SUBDRV_AUTOSELECT
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help
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Montage M88TS2022 silicon tuner driver.
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config MEDIA_TUNER_TUA9001
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tristate "Infineon TUA 9001 silicon tuner"
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depends on MEDIA_SUPPORT && I2C
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@ -31,6 +31,7 @@ obj-$(CONFIG_MEDIA_TUNER_TDA18212) += tda18212.o
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obj-$(CONFIG_MEDIA_TUNER_E4000) += e4000.o
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obj-$(CONFIG_MEDIA_TUNER_FC2580) += fc2580.o
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obj-$(CONFIG_MEDIA_TUNER_TUA9001) += tua9001.o
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obj-$(CONFIG_MEDIA_TUNER_M88TS2022) += m88ts2022.o
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obj-$(CONFIG_MEDIA_TUNER_FC0011) += fc0011.o
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obj-$(CONFIG_MEDIA_TUNER_FC0012) += fc0012.o
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obj-$(CONFIG_MEDIA_TUNER_FC0013) += fc0013.o
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@ -0,0 +1,664 @@
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/*
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* Montage M88TS2022 silicon tuner driver
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*
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* Copyright (C) 2013 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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* Some calculations are taken from existing TS2020 driver.
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*/
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#include "m88ts2022_priv.h"
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/* write multiple registers */
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static int m88ts2022_wr_regs(struct m88ts2022_priv *priv,
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u8 reg, const u8 *val, int len)
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{
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int ret;
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u8 buf[1 + len];
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struct i2c_msg msg[1] = {
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{
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.addr = priv->cfg->i2c_addr,
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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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dev_warn(&priv->i2c->dev,
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"%s: i2c wr failed=%d reg=%02x len=%d\n",
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KBUILD_MODNAME, 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 m88ts2022_rd_regs(struct m88ts2022_priv *priv, u8 reg,
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u8 *val, 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_addr,
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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_addr,
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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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dev_warn(&priv->i2c->dev,
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"%s: i2c rd failed=%d reg=%02x len=%d\n",
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KBUILD_MODNAME, 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 m88ts2022_wr_reg(struct m88ts2022_priv *priv, u8 reg, u8 val)
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{
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return m88ts2022_wr_regs(priv, reg, &val, 1);
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}
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/* read single register */
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static int m88ts2022_rd_reg(struct m88ts2022_priv *priv, u8 reg, u8 *val)
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{
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return m88ts2022_rd_regs(priv, reg, val, 1);
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}
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/* write single register with mask */
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static int m88ts2022_wr_reg_mask(struct m88ts2022_priv *priv,
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u8 reg, u8 val, u8 mask)
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{
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int ret;
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u8 u8tmp;
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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 = m88ts2022_rd_regs(priv, reg, &u8tmp, 1);
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if (ret)
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return ret;
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val &= mask;
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u8tmp &= ~mask;
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val |= u8tmp;
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}
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return m88ts2022_wr_regs(priv, reg, &val, 1);
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}
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static int m88ts2022_cmd(struct dvb_frontend *fe,
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int op, int sleep, u8 reg, u8 mask, u8 val, u8 *reg_val)
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{
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struct m88ts2022_priv *priv = fe->tuner_priv;
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int ret, i;
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u8 u8tmp;
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struct m88ts2022_reg_val reg_vals[] = {
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{0x51, 0x1f - op},
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{0x51, 0x1f},
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{0x50, 0x00 + op},
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{0x50, 0x00},
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};
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for (i = 0; i < 2; i++) {
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dev_dbg(&priv->i2c->dev,
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"%s: i=%d op=%02x reg=%02x mask=%02x val=%02x\n",
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__func__, i, op, reg, mask, val);
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for (i = 0; i < ARRAY_SIZE(reg_vals); i++) {
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ret = m88ts2022_wr_reg(priv, reg_vals[i].reg,
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reg_vals[i].val);
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if (ret)
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goto err;
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}
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usleep_range(sleep * 1000, sleep * 10000);
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ret = m88ts2022_rd_reg(priv, reg, &u8tmp);
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if (ret)
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goto err;
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if ((u8tmp & mask) != val)
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break;
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}
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if (reg_val)
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*reg_val = u8tmp;
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err:
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return ret;
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}
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static int m88ts2022_set_params(struct dvb_frontend *fe)
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{
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struct m88ts2022_priv *priv = fe->tuner_priv;
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struct dtv_frontend_properties *c = &fe->dtv_property_cache;
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int ret = 0, div;
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u8 buf[3], u8tmp, cap_code, lpf_mxdiv, div_max, div_min;
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u16 N_reg, N, K;
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u32 lpf_gm, lpf_coeff, gdiv28, frequency_khz, frequency_offset;
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u32 freq_3db;
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dev_dbg(&priv->i2c->dev,
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"%s: frequency=%d symbol_rate=%d rolloff=%d\n",
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__func__, c->frequency, c->symbol_rate, c->rolloff);
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if (c->symbol_rate < 5000000)
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frequency_offset = 3000000; /* 3 MHz */
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else
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frequency_offset = 0;
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frequency_khz = c->frequency + (frequency_offset / 1000);
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if (frequency_khz < 1103000) {
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div = 2;
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u8tmp = 0x1b;
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} else {
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div = 1;
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u8tmp = 0x0b;
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}
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buf[0] = u8tmp;
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buf[1] = 0x40;
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ret = m88ts2022_wr_regs(priv, 0x10, buf, 2);
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if (ret)
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goto err;
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K = DIV_ROUND_CLOSEST((priv->cfg->clock / 2), 1000000);
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N = 1ul * frequency_khz * K * div * 2 / (priv->cfg->clock / 1000);
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N += N % 2;
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if (N < 4095)
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N_reg = N - 1024;
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else if (N < 6143)
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N_reg = N + 1024;
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else
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N_reg = N + 3072;
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buf[0] = (N_reg >> 8) & 0x3f;
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buf[1] = (N_reg >> 0) & 0xff;
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buf[2] = K - 8;
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ret = m88ts2022_wr_regs(priv, 0x01, buf, 3);
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if (ret)
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goto err;
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priv->frequency_khz = 1ul * N * (priv->cfg->clock / 1000) / K / div / 2;
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dev_dbg(&priv->i2c->dev,
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"%s: frequency=%d offset=%d K=%d N=%d div=%d\n",
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__func__, priv->frequency_khz,
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priv->frequency_khz - c->frequency, K, N, div);
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ret = m88ts2022_cmd(fe, 0x10, 5, 0x15, 0x40, 0x00, NULL);
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if (ret)
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goto err;
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ret = m88ts2022_rd_reg(priv, 0x14, &u8tmp);
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if (ret)
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goto err;
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u8tmp &= 0x7f;
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if (u8tmp < 64) {
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ret = m88ts2022_wr_reg_mask(priv, 0x10, 0x80, 0x80);
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if (ret)
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goto err;
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ret = m88ts2022_wr_reg(priv, 0x11, 0x6f);
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if (ret)
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goto err;
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ret = m88ts2022_cmd(fe, 0x10, 5, 0x15, 0x40, 0x00, NULL);
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if (ret)
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goto err;
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}
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ret = m88ts2022_rd_reg(priv, 0x14, &u8tmp);
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if (ret)
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goto err;
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u8tmp &= 0x1f;
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if (u8tmp > 19) {
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ret = m88ts2022_wr_reg_mask(priv, 0x10, 0x00, 0x02);
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if (ret)
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goto err;
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}
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ret = m88ts2022_cmd(fe, 0x08, 5, 0x3c, 0xff, 0x00, NULL);
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if (ret)
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goto err;
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ret = m88ts2022_wr_reg(priv, 0x25, 0x00);
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if (ret)
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goto err;
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ret = m88ts2022_wr_reg(priv, 0x27, 0x70);
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if (ret)
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goto err;
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ret = m88ts2022_wr_reg(priv, 0x41, 0x09);
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if (ret)
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goto err;
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ret = m88ts2022_wr_reg(priv, 0x08, 0x0b);
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if (ret)
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goto err;
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gdiv28 = DIV_ROUND_CLOSEST(priv->cfg->clock / 1000000 * 1694, 1000);
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ret = m88ts2022_wr_reg(priv, 0x04, gdiv28);
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if (ret)
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goto err;
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ret = m88ts2022_cmd(fe, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp);
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if (ret)
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goto err;
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cap_code = u8tmp & 0x3f;
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ret = m88ts2022_wr_reg(priv, 0x41, 0x0d);
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if (ret)
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goto err;
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ret = m88ts2022_cmd(fe, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp);
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if (ret)
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goto err;
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u8tmp &= 0x3f;
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cap_code = (cap_code + u8tmp) / 2;
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gdiv28 = gdiv28 * 207 / (cap_code * 2 + 151);
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div_max = gdiv28 * 135 / 100;
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div_min = gdiv28 * 78 / 100;
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if (div_max > 63)
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div_max = 63;
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freq_3db = 1ul * c->symbol_rate * 135 / 200 + 2000000;
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freq_3db += frequency_offset;
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if (freq_3db < 7000000)
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freq_3db = 7000000;
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if (freq_3db > 40000000)
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freq_3db = 40000000;
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lpf_coeff = 3200;
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lpf_gm = DIV_ROUND_CLOSEST(freq_3db * gdiv28, lpf_coeff *
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(priv->cfg->clock / 1000));
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if (lpf_gm > 23)
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lpf_gm = 23;
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if (lpf_gm < 1)
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lpf_gm = 1;
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lpf_mxdiv = DIV_ROUND_CLOSEST(lpf_gm * lpf_coeff *
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(priv->cfg->clock / 1000), freq_3db);
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if (lpf_mxdiv < div_min) {
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lpf_gm++;
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lpf_mxdiv = DIV_ROUND_CLOSEST(lpf_gm * lpf_coeff *
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(priv->cfg->clock / 1000), freq_3db);
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}
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if (lpf_mxdiv > div_max)
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lpf_mxdiv = div_max;
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ret = m88ts2022_wr_reg(priv, 0x04, lpf_mxdiv);
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if (ret)
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goto err;
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ret = m88ts2022_wr_reg(priv, 0x06, lpf_gm);
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if (ret)
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goto err;
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ret = m88ts2022_cmd(fe, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp);
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if (ret)
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goto err;
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cap_code = u8tmp & 0x3f;
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ret = m88ts2022_wr_reg(priv, 0x41, 0x09);
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if (ret)
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goto err;
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ret = m88ts2022_cmd(fe, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp);
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if (ret)
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goto err;
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u8tmp &= 0x3f;
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cap_code = (cap_code + u8tmp) / 2;
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u8tmp = cap_code | 0x80;
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ret = m88ts2022_wr_reg(priv, 0x25, u8tmp);
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if (ret)
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goto err;
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ret = m88ts2022_wr_reg(priv, 0x27, 0x30);
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if (ret)
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goto err;
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ret = m88ts2022_wr_reg(priv, 0x08, 0x09);
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if (ret)
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goto err;
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ret = m88ts2022_cmd(fe, 0x01, 20, 0x21, 0xff, 0x00, NULL);
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if (ret)
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goto err;
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err:
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if (ret)
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dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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static int m88ts2022_init(struct dvb_frontend *fe)
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{
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struct m88ts2022_priv *priv = fe->tuner_priv;
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int ret, i;
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u8 u8tmp;
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static const struct m88ts2022_reg_val reg_vals[] = {
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{0x7d, 0x9d},
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{0x7c, 0x9a},
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{0x7a, 0x76},
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{0x3b, 0x01},
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{0x63, 0x88},
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{0x61, 0x85},
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{0x22, 0x30},
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{0x30, 0x40},
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{0x20, 0x23},
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{0x24, 0x02},
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{0x12, 0xa0},
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};
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dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
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ret = m88ts2022_wr_reg(priv, 0x00, 0x01);
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if (ret)
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goto err;
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ret = m88ts2022_wr_reg(priv, 0x00, 0x03);
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if (ret)
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goto err;
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switch (priv->cfg->clock_out) {
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case M88TS2022_CLOCK_OUT_DISABLED:
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u8tmp = 0x60;
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break;
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case M88TS2022_CLOCK_OUT_ENABLED:
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u8tmp = 0x70;
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ret = m88ts2022_wr_reg(priv, 0x05, priv->cfg->clock_out_div);
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if (ret)
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goto err;
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break;
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case M88TS2022_CLOCK_OUT_ENABLED_XTALOUT:
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u8tmp = 0x6c;
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break;
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default:
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goto err;
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}
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ret = m88ts2022_wr_reg(priv, 0x42, u8tmp);
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if (ret)
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goto err;
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if (priv->cfg->loop_through)
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u8tmp = 0xec;
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else
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u8tmp = 0x6c;
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ret = m88ts2022_wr_reg(priv, 0x62, u8tmp);
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if (ret)
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goto err;
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|
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for (i = 0; i < ARRAY_SIZE(reg_vals); i++) {
|
||||
ret = m88ts2022_wr_reg(priv, reg_vals[i].reg, reg_vals[i].val);
|
||||
if (ret)
|
||||
goto err;
|
||||
}
|
||||
err:
|
||||
if (ret)
|
||||
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int m88ts2022_sleep(struct dvb_frontend *fe)
|
||||
{
|
||||
struct m88ts2022_priv *priv = fe->tuner_priv;
|
||||
int ret;
|
||||
dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
|
||||
|
||||
ret = m88ts2022_wr_reg(priv, 0x00, 0x00);
|
||||
if (ret)
|
||||
goto err;
|
||||
err:
|
||||
if (ret)
|
||||
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int m88ts2022_get_frequency(struct dvb_frontend *fe, u32 *frequency)
|
||||
{
|
||||
struct m88ts2022_priv *priv = fe->tuner_priv;
|
||||
dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
|
||||
|
||||
*frequency = priv->frequency_khz;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int m88ts2022_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
|
||||
{
|
||||
struct m88ts2022_priv *priv = fe->tuner_priv;
|
||||
dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
|
||||
|
||||
*frequency = 0; /* Zero-IF */
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int m88ts2022_get_rf_strength(struct dvb_frontend *fe, u16 *strength)
|
||||
{
|
||||
struct m88ts2022_priv *priv = fe->tuner_priv;
|
||||
u8 u8tmp, gain1, gain2, gain3;
|
||||
u16 gain, u16tmp;
|
||||
int ret;
|
||||
|
||||
ret = m88ts2022_rd_reg(priv, 0x3d, &u8tmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
gain1 = (u8tmp >> 0) & 0x1f;
|
||||
if (gain1 > 15)
|
||||
gain1 = 15;
|
||||
|
||||
ret = m88ts2022_rd_reg(priv, 0x21, &u8tmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
gain2 = (u8tmp >> 0) & 0x1f;
|
||||
if (gain2 < 2)
|
||||
gain2 = 2;
|
||||
if (gain2 > 16)
|
||||
gain2 = 16;
|
||||
|
||||
ret = m88ts2022_rd_reg(priv, 0x66, &u8tmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
gain3 = (u8tmp >> 3) & 0x07;
|
||||
if (gain3 > 6)
|
||||
gain3 = 6;
|
||||
|
||||
gain = gain1 * 265 + gain2 * 338 + gain3 * 285;
|
||||
|
||||
/* scale value to 0x0000-0xffff */
|
||||
u16tmp = (0xffff - gain);
|
||||
if (u16tmp < 59000)
|
||||
u16tmp = 59000;
|
||||
else if (u16tmp > 61500)
|
||||
u16tmp = 61500;
|
||||
|
||||
*strength = (u16tmp - 59000) * 0xffff / (61500 - 59000);
|
||||
err:
|
||||
if (ret)
|
||||
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int m88ts2022_release(struct dvb_frontend *fe)
|
||||
{
|
||||
struct m88ts2022_priv *priv = fe->tuner_priv;
|
||||
dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
|
||||
|
||||
kfree(fe->tuner_priv);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct dvb_tuner_ops m88ts2022_tuner_ops = {
|
||||
.info = {
|
||||
.name = "Montage M88TS2022",
|
||||
.frequency_min = 950000,
|
||||
.frequency_max = 2150000,
|
||||
},
|
||||
|
||||
.release = m88ts2022_release,
|
||||
|
||||
.init = m88ts2022_init,
|
||||
.sleep = m88ts2022_sleep,
|
||||
.set_params = m88ts2022_set_params,
|
||||
|
||||
.get_frequency = m88ts2022_get_frequency,
|
||||
.get_if_frequency = m88ts2022_get_if_frequency,
|
||||
.get_rf_strength = m88ts2022_get_rf_strength,
|
||||
};
|
||||
|
||||
struct dvb_frontend *m88ts2022_attach(struct dvb_frontend *fe,
|
||||
struct i2c_adapter *i2c, const struct m88ts2022_config *cfg)
|
||||
{
|
||||
struct m88ts2022_priv *priv;
|
||||
int ret;
|
||||
u8 chip_id, u8tmp;
|
||||
|
||||
priv = kzalloc(sizeof(struct m88ts2022_priv), GFP_KERNEL);
|
||||
if (!priv) {
|
||||
ret = -ENOMEM;
|
||||
dev_err(&i2c->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME);
|
||||
goto err;
|
||||
}
|
||||
|
||||
priv->cfg = cfg;
|
||||
priv->i2c = i2c;
|
||||
priv->fe = fe;
|
||||
|
||||
/* check if the tuner is there */
|
||||
ret = m88ts2022_rd_reg(priv, 0x00, &u8tmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
if ((u8tmp & 0x03) == 0x00) {
|
||||
ret = m88ts2022_wr_reg(priv, 0x00, 0x01);
|
||||
if (ret < 0)
|
||||
goto err;
|
||||
|
||||
usleep_range(2000, 50000);
|
||||
}
|
||||
|
||||
ret = m88ts2022_wr_reg(priv, 0x00, 0x03);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
usleep_range(2000, 50000);
|
||||
|
||||
ret = m88ts2022_rd_reg(priv, 0x00, &chip_id);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
dev_dbg(&priv->i2c->dev, "%s: chip_id=%02x\n", __func__, chip_id);
|
||||
|
||||
switch (chip_id) {
|
||||
case 0xc3:
|
||||
case 0x83:
|
||||
break;
|
||||
default:
|
||||
goto err;
|
||||
}
|
||||
|
||||
switch (priv->cfg->clock_out) {
|
||||
case M88TS2022_CLOCK_OUT_DISABLED:
|
||||
u8tmp = 0x60;
|
||||
break;
|
||||
case M88TS2022_CLOCK_OUT_ENABLED:
|
||||
u8tmp = 0x70;
|
||||
ret = m88ts2022_wr_reg(priv, 0x05, priv->cfg->clock_out_div);
|
||||
if (ret)
|
||||
goto err;
|
||||
break;
|
||||
case M88TS2022_CLOCK_OUT_ENABLED_XTALOUT:
|
||||
u8tmp = 0x6c;
|
||||
break;
|
||||
default:
|
||||
goto err;
|
||||
}
|
||||
|
||||
ret = m88ts2022_wr_reg(priv, 0x42, u8tmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
if (priv->cfg->loop_through)
|
||||
u8tmp = 0xec;
|
||||
else
|
||||
u8tmp = 0x6c;
|
||||
|
||||
ret = m88ts2022_wr_reg(priv, 0x62, u8tmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
/* sleep */
|
||||
ret = m88ts2022_wr_reg(priv, 0x00, 0x00);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
dev_info(&priv->i2c->dev,
|
||||
"%s: Montage M88TS2022 successfully identified\n",
|
||||
KBUILD_MODNAME);
|
||||
|
||||
fe->tuner_priv = priv;
|
||||
memcpy(&fe->ops.tuner_ops, &m88ts2022_tuner_ops,
|
||||
sizeof(struct dvb_tuner_ops));
|
||||
err:
|
||||
if (ret) {
|
||||
dev_dbg(&i2c->dev, "%s: failed=%d\n", __func__, ret);
|
||||
kfree(priv);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return fe;
|
||||
}
|
||||
EXPORT_SYMBOL(m88ts2022_attach);
|
||||
|
||||
MODULE_DESCRIPTION("Montage M88TS2022 silicon tuner driver");
|
||||
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
@ -0,0 +1,72 @@
|
|||
/*
|
||||
* Montage M88TS2022 silicon tuner driver
|
||||
*
|
||||
* Copyright (C) 2013 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.
|
||||
*/
|
||||
|
||||
#ifndef M88TS2022_H
|
||||
#define M88TS2022_H
|
||||
|
||||
#include "dvb_frontend.h"
|
||||
|
||||
struct m88ts2022_config {
|
||||
/*
|
||||
* I2C address
|
||||
* 0x60, ...
|
||||
*/
|
||||
u8 i2c_addr;
|
||||
|
||||
/*
|
||||
* clock
|
||||
* 16000000 - 32000000
|
||||
*/
|
||||
u32 clock;
|
||||
|
||||
/*
|
||||
* RF loop-through
|
||||
*/
|
||||
u8 loop_through:1;
|
||||
|
||||
/*
|
||||
* clock output
|
||||
*/
|
||||
#define M88TS2022_CLOCK_OUT_DISABLED 0
|
||||
#define M88TS2022_CLOCK_OUT_ENABLED 1
|
||||
#define M88TS2022_CLOCK_OUT_ENABLED_XTALOUT 2
|
||||
u8 clock_out:2;
|
||||
|
||||
/*
|
||||
* clock output divider
|
||||
* 1 - 31
|
||||
*/
|
||||
u8 clock_out_div:5;
|
||||
};
|
||||
|
||||
#if defined(CONFIG_MEDIA_TUNER_M88TS2022) || \
|
||||
(defined(CONFIG_MEDIA_TUNER_M88TS2022_MODULE) && defined(MODULE))
|
||||
extern struct dvb_frontend *m88ts2022_attach(struct dvb_frontend *fe,
|
||||
struct i2c_adapter *i2c, const struct m88ts2022_config *cfg);
|
||||
#else
|
||||
static inline struct dvb_frontend *m88ts2022_attach(struct dvb_frontend *fe,
|
||||
struct i2c_adapter *i2c, const struct m88ts2022_config *cfg)
|
||||
{
|
||||
pr_warn("%s: driver disabled by Kconfig\n", __func__);
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
/*
|
||||
* Montage M88TS2022 silicon tuner driver
|
||||
*
|
||||
* Copyright (C) 2013 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.
|
||||
*/
|
||||
|
||||
#ifndef M88TS2022_PRIV_H
|
||||
#define M88TS2022_PRIV_H
|
||||
|
||||
#include "m88ts2022.h"
|
||||
|
||||
struct m88ts2022_priv {
|
||||
const struct m88ts2022_config *cfg;
|
||||
struct i2c_adapter *i2c;
|
||||
struct dvb_frontend *fe;
|
||||
u32 frequency_khz;
|
||||
};
|
||||
|
||||
struct m88ts2022_reg_val {
|
||||
u8 reg;
|
||||
u8 val;
|
||||
};
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue