redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

[media] m88ds3103: implement set voltage and TS clock 

Implement set voltage operation.
Separate TS clock as a own configuration parameter.
Add TS clock polarity parameter.

[crope@iki.fi: merge em28xx driver m88ds3103 config change patch
to that one, in order to keep build unbroken]

Signed-off-by: Nibble Max <nibble.max@gmail.com>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
hifive-unleashed-5.1
nibble.max 2014-08-11 01:22:45 -03:00 committed by Mauro Carvalho Chehab
parent 67d0113a22
commit 79d0933032
3 changed files with 78 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
drivers/media/dvb-frontends/m88ds3103.c
View File

@ -247,7 +247,7 @@ 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",
@ -316,9 +316,6 @@ 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 +349,17 @@ 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 +367,9 @@ 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 +383,8 @@ 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 +395,7 @@ 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--;
@ -1053,6 +1037,39 @@ err:
return ret;
}
static int m88ds3103_set_voltage(struct dvb_frontend *fe,
fe_sec_voltage_t voltage)
{
struct m88ds3103_priv *priv = fe->demodulator_priv;
u8 data;
m88ds3103_rd_reg(priv, 0xa2, &data);
data &= ~0x03; /* bit0 V/H, bit1 off/on */
if (priv->cfg->lnb_en_pol)
data |= 0x02;
switch (voltage) {
case SEC_VOLTAGE_18:
if (priv->cfg->lnb_hv_pol == 0)
data |= 0x01;
break;
case SEC_VOLTAGE_13:
if (priv->cfg->lnb_hv_pol)
data |= 0x01;
break;
case SEC_VOLTAGE_OFF:
if (priv->cfg->lnb_en_pol)
data &= ~0x02;
else
data |= 0x02;
break;
}
m88ds3103_wr_reg(priv, 0xa2, data);
return 0;
}
static int m88ds3103_diseqc_send_master_cmd(struct dvb_frontend *fe,
struct dvb_diseqc_master_cmd *diseqc_cmd)
{
@ -1370,6 +1387,7 @@ 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>");

35
drivers/media/dvb-frontends/m88ds3103.h
View File

@ -47,13 +47,22 @@ struct m88ds3103_config {
*/
#define M88DS3103_TS_SERIAL 0 /* TS output pin D0, normal */
#define M88DS3103_TS_SERIAL_D7 1 /* TS output pin D7 */
#define M88DS3103_TS_PARALLEL 2 /* 24 MHz, normal */
#define M88DS3103_TS_PARALLEL_12 3 /* 12 MHz */
#define M88DS3103_TS_PARALLEL_16 4 /* 16 MHz */
#define M88DS3103_TS_PARALLEL_19_2 5 /* 19.2 MHz */
#define M88DS3103_TS_CI 6 /* 6 MHz */
#define M88DS3103_TS_PARALLEL 2 /* TS Parallel mode */
#define M88DS3103_TS_CI 3 /* TS CI Mode */
u8 ts_mode;
/*
* TS clk in KHz
* Default: 0.
*/
u32 ts_clk;
/*
* TS clk polarity.
* Default: 0. 1-active at falling edge; 0-active at rising edge.
*/
u8 ts_clk_pol:1;
/*
* spectrum inversion
* Default: 0
@ -86,6 +95,22 @@ struct m88ds3103_config {
* Default: none, must set
*/
u8 agc;
/*
* LNB H/V pin polarity
* Default: 0.
* 1: pin high set to VOLTAGE_13, pin low to set VOLTAGE_18.
* 0: pin high set to VOLTAGE_18, pin low to set VOLTAGE_13.
*/
u8 lnb_hv_pol:1;
/*
* LNB enable pin polarity
* Default: 0.
* 1: pin high to enable, pin low to disable.
* 0: pin high to disable, pin low to enable.
*/
u8 lnb_en_pol:1;
};
/*

4
drivers/media/usb/em28xx/em28xx-dvb.c
View File

@ -856,7 +856,9 @@ static const struct m88ds3103_config pctv_461e_m88ds3103_config = {
.clock = 27000000,
.i2c_wr_max = 33,
.clock_out = 0,
.ts_mode = M88DS3103_TS_PARALLEL_16,
.ts_mode = M88DS3103_TS_PARALLEL,
.ts_clk = 16000,
.ts_clk_pol = 1,
.agc = 0x99,
};