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Commit 53d41728 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab Committed by Mauro Carvalho Chehab
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media: lgdt330x: move *read_status functions 

In preparation to implement DVBv5 stats on this driver, move
the *read_status functions to happen after SNR and signal
strength routines.
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent 1334a7dc
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Showing with 128 additions and 127 deletions
drivers/media/dvb-frontends/lgdt330x.c
View file @ 53d41728
......@@ -472,133 +472,6 @@ static int lgdt330x_get_frontend(struct dvb_frontend *fe,
return 0;
}
static int lgdt3302_read_status(struct dvb_frontend *fe,
enum fe_status *status)
{
struct lgdt330x_state *state = fe->demodulator_priv;
u8 buf[3];
*status = 0; /* Reset status result */
/* AGC status register */
i2c_read_demod_bytes(state, AGC_STATUS, buf, 1);
dprintk(state, "AGC_STATUS = 0x%02x\n", buf[0]);
if ((buf[0] & 0x0c) == 0x8) {
/*
* Test signal does not exist flag
* as well as the AGC lock flag.
*/
*status |= FE_HAS_SIGNAL;
}
/*
* You must set the Mask bits to 1 in the IRQ_MASK in order
* to see that status bit in the IRQ_STATUS register.
* This is done in SwReset();
*/
/* signal status */
i2c_read_demod_bytes(state, TOP_CONTROL, buf, sizeof(buf));
dprintk(state,
"TOP_CONTROL = 0x%02x, IRO_MASK = 0x%02x, IRQ_STATUS = 0x%02x\n",
buf[0], buf[1], buf[2]);
/* sync status */
if ((buf[2] & 0x03) == 0x01)
*status |= FE_HAS_SYNC;
/* FEC error status */
if ((buf[2] & 0x0c) == 0x08)
*status |= FE_HAS_LOCK | FE_HAS_VITERBI;
/* Carrier Recovery Lock Status Register */
i2c_read_demod_bytes(state, CARRIER_LOCK, buf, 1);
dprintk(state, "CARRIER_LOCK = 0x%02x\n", buf[0]);
switch (state->current_modulation) {
case QAM_256:
case QAM_64:
/* Need to understand why there are 3 lock levels here */
if ((buf[0] & 0x07) == 0x07)
*status |= FE_HAS_CARRIER;
break;
case VSB_8:
if ((buf[0] & 0x80) == 0x80)
*status |= FE_HAS_CARRIER;
break;
default:
dev_warn(&state->client->dev,
"%s: Modulation set to unsupported value\n",
__func__);
}
return 0;
}
static int lgdt3303_read_status(struct dvb_frontend *fe,
enum fe_status *status)
{
struct lgdt330x_state *state = fe->demodulator_priv;
int err;
u8 buf[3];
*status = 0; /* Reset status result */
/* lgdt3303 AGC status register */
err = i2c_read_demod_bytes(state, 0x58, buf, 1);
if (err < 0)
return err;
dprintk(state, "AGC_STATUS = 0x%02x\n", buf[0]);
if ((buf[0] & 0x21) == 0x01) {
/*
* Test input signal does not exist flag
* as well as the AGC lock flag.
*/
*status |= FE_HAS_SIGNAL;
}
/* Carrier Recovery Lock Status Register */
i2c_read_demod_bytes(state, CARRIER_LOCK, buf, 1);
dprintk(state, "CARRIER_LOCK = 0x%02x\n", buf[0]);
switch (state->current_modulation) {
case QAM_256:
case QAM_64:
/* Need to understand why there are 3 lock levels here */
if ((buf[0] & 0x07) == 0x07)
*status |= FE_HAS_CARRIER;
else
break;
i2c_read_demod_bytes(state, 0x8a, buf, 1);
dprintk(state, "QAM LOCK = 0x%02x\n", buf[0]);
if ((buf[0] & 0x04) == 0x04)
*status |= FE_HAS_SYNC;
if ((buf[0] & 0x01) == 0x01)
*status |= FE_HAS_LOCK;
if ((buf[0] & 0x08) == 0x08)
*status |= FE_HAS_VITERBI;
break;
case VSB_8:
if ((buf[0] & 0x80) == 0x80)
*status |= FE_HAS_CARRIER;
else
break;
i2c_read_demod_bytes(state, 0x38, buf, 1);
dprintk(state, "8-VSB LOCK = 0x%02x\n", buf[0]);
if ((buf[0] & 0x02) == 0x00)
*status |= FE_HAS_SYNC;
if ((buf[0] & 0xfd) == 0x01)
*status |= FE_HAS_VITERBI | FE_HAS_LOCK;
break;
default:
dev_warn(&state->client->dev,
"%s: Modulation set to unsupported value\n",
__func__);
}
return 0;
}
/*
* Calculate SNR estimation (scaled by 2^24)
*
......@@ -754,6 +627,134 @@ static int lgdt330x_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
return 0;
}
static int lgdt3302_read_status(struct dvb_frontend *fe,
enum fe_status *status)
{
struct lgdt330x_state *state = fe->demodulator_priv;
u8 buf[3];
*status = 0; /* Reset status result */
/* AGC status register */
i2c_read_demod_bytes(state, AGC_STATUS, buf, 1);
dprintk(state, "AGC_STATUS = 0x%02x\n", buf[0]);
if ((buf[0] & 0x0c) == 0x8) {
/*
* Test signal does not exist flag
* as well as the AGC lock flag.
*/
*status |= FE_HAS_SIGNAL;
}
/*
* You must set the Mask bits to 1 in the IRQ_MASK in order
* to see that status bit in the IRQ_STATUS register.
* This is done in SwReset();
*/
/* signal status */
i2c_read_demod_bytes(state, TOP_CONTROL, buf, sizeof(buf));
dprintk(state,
"TOP_CONTROL = 0x%02x, IRO_MASK = 0x%02x, IRQ_STATUS = 0x%02x\n",
buf[0], buf[1], buf[2]);
/* sync status */
if ((buf[2] & 0x03) == 0x01)
*status |= FE_HAS_SYNC;
/* FEC error status */
if ((buf[2] & 0x0c) == 0x08)
*status |= FE_HAS_LOCK | FE_HAS_VITERBI;
/* Carrier Recovery Lock Status Register */
i2c_read_demod_bytes(state, CARRIER_LOCK, buf, 1);
dprintk(state, "CARRIER_LOCK = 0x%02x\n", buf[0]);
switch (state->current_modulation) {
case QAM_256:
case QAM_64:
/* Need to understand why there are 3 lock levels here */
if ((buf[0] & 0x07) == 0x07)
*status |= FE_HAS_CARRIER;
break;
case VSB_8:
if ((buf[0] & 0x80) == 0x80)
*status |= FE_HAS_CARRIER;
break;
default:
dev_warn(&state->client->dev,
"%s: Modulation set to unsupported value\n",
__func__);
}
return 0;
}
static int lgdt3303_read_status(struct dvb_frontend *fe,
enum fe_status *status)
{
struct lgdt330x_state *state = fe->demodulator_priv;
int err;
u8 buf[3];
*status = 0; /* Reset status result */
/* lgdt3303 AGC status register */
err = i2c_read_demod_bytes(state, 0x58, buf, 1);
if (err < 0)
return err;
dprintk(state, "AGC_STATUS = 0x%02x\n", buf[0]);
if ((buf[0] & 0x21) == 0x01) {
/*
* Test input signal does not exist flag
* as well as the AGC lock flag.
*/
*status |= FE_HAS_SIGNAL;
}
/* Carrier Recovery Lock Status Register */
i2c_read_demod_bytes(state, CARRIER_LOCK, buf, 1);
dprintk(state, "CARRIER_LOCK = 0x%02x\n", buf[0]);
switch (state->current_modulation) {
case QAM_256:
case QAM_64:
/* Need to understand why there are 3 lock levels here */
if ((buf[0] & 0x07) == 0x07)
*status |= FE_HAS_CARRIER;
else
break;
i2c_read_demod_bytes(state, 0x8a, buf, 1);
dprintk(state, "QAM LOCK = 0x%02x\n", buf[0]);
if ((buf[0] & 0x04) == 0x04)
*status |= FE_HAS_SYNC;
if ((buf[0] & 0x01) == 0x01)
*status |= FE_HAS_LOCK;
if ((buf[0] & 0x08) == 0x08)
*status |= FE_HAS_VITERBI;
break;
case VSB_8:
if ((buf[0] & 0x80) == 0x80)
*status |= FE_HAS_CARRIER;
else
break;
i2c_read_demod_bytes(state, 0x38, buf, 1);
dprintk(state, "8-VSB LOCK = 0x%02x\n", buf[0]);
if ((buf[0] & 0x02) == 0x00)
*status |= FE_HAS_SYNC;
if ((buf[0] & 0xfd) == 0x01)
*status |= FE_HAS_VITERBI | FE_HAS_LOCK;
break;
default:
dev_warn(&state->client->dev,
"%s: Modulation set to unsupported value\n",
__func__);
}
return 0;
}
static int
lgdt330x_get_tune_settings(struct dvb_frontend *fe,
struct dvb_frontend_tune_settings *fe_tune_settings)
......
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