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path: root/drivers/media/dvb-frontends/m88ds3103.c
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Diffstat (limited to 'drivers/media/dvb-frontends/m88ds3103.c')
-rw-r--r--drivers/media/dvb-frontends/m88ds3103.c101
1 files changed, 74 insertions, 27 deletions
diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c
index dfe0c2f7f1ef..81657e94c5a4 100644
--- a/drivers/media/dvb-frontends/m88ds3103.c
+++ b/drivers/media/dvb-frontends/m88ds3103.c
@@ -159,6 +159,7 @@ static int m88ds3103_wr_reg_val_tab(struct m88ds3103_priv *priv,
{
int ret, i, j;
u8 buf[83];
+
dev_dbg(&priv->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len);
if (tab_len > 83) {
@@ -247,8 +248,9 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
u8 u8tmp, u8tmp1, u8tmp2;
u8 buf[2];
u16 u16tmp, divide_ratio;
- u32 tuner_frequency, target_mclk, ts_clk;
+ u32 tuner_frequency, target_mclk;
s32 s32tmp;
+
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,
@@ -316,9 +318,6 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
target_mclk = 144000;
break;
case M88DS3103_TS_PARALLEL:
- case M88DS3103_TS_PARALLEL_12:
- case M88DS3103_TS_PARALLEL_16:
- case M88DS3103_TS_PARALLEL_19_2:
case M88DS3103_TS_CI:
if (c->symbol_rate < 18000000)
target_mclk = 96000;
@@ -352,33 +351,17 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
switch (priv->cfg->ts_mode) {
case M88DS3103_TS_SERIAL:
u8tmp1 = 0x00;
- ts_clk = 0;
- u8tmp = 0x46;
+ u8tmp = 0x06;
break;
case M88DS3103_TS_SERIAL_D7:
u8tmp1 = 0x20;
- ts_clk = 0;
- u8tmp = 0x46;
+ u8tmp = 0x06;
break;
case M88DS3103_TS_PARALLEL:
- ts_clk = 24000;
- u8tmp = 0x42;
- break;
- case M88DS3103_TS_PARALLEL_12:
- ts_clk = 12000;
- u8tmp = 0x42;
- break;
- case M88DS3103_TS_PARALLEL_16:
- ts_clk = 16000;
- u8tmp = 0x42;
- break;
- case M88DS3103_TS_PARALLEL_19_2:
- ts_clk = 19200;
- u8tmp = 0x42;
+ u8tmp = 0x02;
break;
case M88DS3103_TS_CI:
- ts_clk = 6000;
- u8tmp = 0x43;
+ u8tmp = 0x03;
break;
default:
dev_dbg(&priv->i2c->dev, "%s: invalid ts_mode\n", __func__);
@@ -386,6 +369,9 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
goto err;
}
+ if (priv->cfg->ts_clk_pol)
+ u8tmp |= 0x40;
+
/* TS mode */
ret = m88ds3103_wr_reg(priv, 0xfd, u8tmp);
if (ret)
@@ -399,8 +385,8 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
goto err;
}
- if (ts_clk) {
- divide_ratio = DIV_ROUND_UP(target_mclk, ts_clk);
+ if (priv->cfg->ts_clk) {
+ divide_ratio = DIV_ROUND_UP(target_mclk, priv->cfg->ts_clk);
u8tmp1 = divide_ratio / 2;
u8tmp2 = DIV_ROUND_UP(divide_ratio, 2);
} else {
@@ -411,7 +397,7 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
dev_dbg(&priv->i2c->dev,
"%s: target_mclk=%d ts_clk=%d divide_ratio=%d\n",
- __func__, target_mclk, ts_clk, divide_ratio);
+ __func__, target_mclk, priv->cfg->ts_clk, divide_ratio);
u8tmp1--;
u8tmp2--;
@@ -536,6 +522,7 @@ static int m88ds3103_init(struct dvb_frontend *fe)
const struct firmware *fw = NULL;
u8 *fw_file = M88DS3103_FIRMWARE;
u8 u8tmp;
+
dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
/* set cold state by default */
@@ -648,6 +635,7 @@ static int m88ds3103_sleep(struct dvb_frontend *fe)
{
struct m88ds3103_priv *priv = fe->demodulator_priv;
int ret;
+
dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
priv->delivery_system = SYS_UNDEFINED;
@@ -682,6 +670,7 @@ static int m88ds3103_get_frontend(struct dvb_frontend *fe)
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret;
u8 buf[3];
+
dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
@@ -857,6 +846,7 @@ static int m88ds3103_read_snr(struct dvb_frontend *fe, u16 *snr)
u8 buf[3];
u16 noise, signal;
u32 noise_tot, signal_tot;
+
dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
/* reports SNR in resolution of 0.1 dB */
@@ -933,6 +923,7 @@ static int m88ds3103_read_ber(struct dvb_frontend *fe, u32 *ber)
int ret;
unsigned int utmp;
u8 buf[3], u8tmp;
+
dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
switch (c->delivery_system) {
@@ -1013,6 +1004,7 @@ static int m88ds3103_set_tone(struct dvb_frontend *fe,
struct m88ds3103_priv *priv = fe->demodulator_priv;
int ret;
u8 u8tmp, tone, reg_a1_mask;
+
dev_dbg(&priv->i2c->dev, "%s: fe_sec_tone_mode=%d\n", __func__,
fe_sec_tone_mode);
@@ -1053,12 +1045,64 @@ err:
return ret;
}
+static int m88ds3103_set_voltage(struct dvb_frontend *fe,
+ fe_sec_voltage_t fe_sec_voltage)
+{
+ struct m88ds3103_priv *priv = fe->demodulator_priv;
+ int ret;
+ u8 u8tmp;
+ bool voltage_sel, voltage_dis;
+
+ dev_dbg(&priv->i2c->dev, "%s: fe_sec_voltage=%d\n", __func__,
+ fe_sec_voltage);
+
+ if (!priv->warm) {
+ ret = -EAGAIN;
+ goto err;
+ }
+
+ switch (fe_sec_voltage) {
+ case SEC_VOLTAGE_18:
+ voltage_sel = true;
+ voltage_dis = false;
+ break;
+ case SEC_VOLTAGE_13:
+ voltage_sel = false;
+ voltage_dis = false;
+ break;
+ case SEC_VOLTAGE_OFF:
+ voltage_sel = false;
+ voltage_dis = true;
+ break;
+ default:
+ dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_voltage\n",
+ __func__);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* output pin polarity */
+ voltage_sel ^= priv->cfg->lnb_hv_pol;
+ voltage_dis ^= priv->cfg->lnb_en_pol;
+
+ u8tmp = voltage_dis << 1 | voltage_sel << 0;
+ ret = m88ds3103_wr_reg_mask(priv, 0xa2, u8tmp, 0x03);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
static int m88ds3103_diseqc_send_master_cmd(struct dvb_frontend *fe,
struct dvb_diseqc_master_cmd *diseqc_cmd)
{
struct m88ds3103_priv *priv = fe->demodulator_priv;
int ret, i;
u8 u8tmp;
+
dev_dbg(&priv->i2c->dev, "%s: msg=%*ph\n", __func__,
diseqc_cmd->msg_len, diseqc_cmd->msg);
@@ -1130,6 +1174,7 @@ static int m88ds3103_diseqc_send_burst(struct dvb_frontend *fe,
struct m88ds3103_priv *priv = fe->demodulator_priv;
int ret, i;
u8 u8tmp, burst;
+
dev_dbg(&priv->i2c->dev, "%s: fe_sec_mini_cmd=%d\n", __func__,
fe_sec_mini_cmd);
@@ -1202,6 +1247,7 @@ static int m88ds3103_get_tune_settings(struct dvb_frontend *fe,
static void m88ds3103_release(struct dvb_frontend *fe)
{
struct m88ds3103_priv *priv = fe->demodulator_priv;
+
i2c_del_mux_adapter(priv->i2c_adapter);
kfree(priv);
}
@@ -1370,6 +1416,7 @@ static struct dvb_frontend_ops m88ds3103_ops = {
.diseqc_send_burst = m88ds3103_diseqc_send_burst,
.set_tone = m88ds3103_set_tone,
+ .set_voltage = m88ds3103_set_voltage,
};
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.