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Code Issues Releases Wiki Activity

change IQ mode setting

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This commit is contained in:
none 2020-03-31 16:42:25 +02:00
parent 93335e856e
commit ee6eab9ead
1 changed files with 53 additions and 26 deletions
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79
ddbridge/ddbridge-sx8.c
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@ -138,7 +138,6 @@ static int read_status(struct dvb_frontend *fe, enum fe_status *status)
dvbs2_bits_per_symbol[
state->mci.signal_info.
dvbs2_signal_info.pls_code];
//printk("PLS %02x\n", state->mci.signal_info.dvbs2_signal_info.pls_code);
} else
sx8_base->used_ldpc_bitrate[state->mci.nr] = 0;
}
@ -165,6 +164,7 @@ static int stop_iq(struct dvb_frontend *fe)
struct mci_base *mci_base = state->mci.base;
struct sx8_base *sx8_base = (struct sx8_base *) mci_base;
struct mci_command cmd;
u32 input = state->mci.tuner;
if (!state->iq_started)
return -1;
@ -173,8 +173,19 @@ static int stop_iq(struct dvb_frontend *fe)
cmd.demod = state->mci.demod;
ddb_mci_cmd(&state->mci, &cmd, NULL);
ddb_mci_config(&state->mci, SX8_TSCONFIG_MODE_NORMAL);
state->iq_started = 0;
mutex_lock(&mci_base->tuner_lock);
sx8_base->tuner_use_count[input]--;
if (!sx8_base->tuner_use_count[input])
mci_set_tuner(fe, input, 0);
if (state->mci.demod != SX8_DEMOD_NONE) {
sx8_base->demod_in_use[state->mci.demod] = 0;
state->mci.demod = SX8_DEMOD_NONE;
}
sx8_base->used_ldpc_bitrate[state->mci.nr] = 0;
sx8_base->iq_mode = 0;
state->iq_started = 0;
mutex_unlock(&mci_base->tuner_lock);
return 0;
}
@ -229,7 +240,14 @@ static int start(struct dvb_frontend *fe, u32 flags, u32 modmask, u32 ts_config)
u32 input = state->mci.tuner;
u32 bits_per_symbol = 0;
int i = -1, stat = 0;
struct ddb_link *link = state->mci.base->link;
if (link->ids.device == 0x000b) {
/* Mask out higher modulations and MIS for Basic
or search command will fail */
modmask &= 3;
p->stream_id = NO_STREAM_ID_FILTER;
}
if (p->symbol_rate >= MCLK / 2)
flags &= ~1;
if ((flags & 3) == 0)
@ -244,7 +262,6 @@ static int start(struct dvb_frontend *fe, u32 flags, u32 modmask, u32 ts_config)
bits_per_symbol++;
}
}
mutex_lock(&mci_base->tuner_lock);
if (sx8_base->iq_mode) {
stat = -EBUSY;
@ -358,34 +375,36 @@ static int start_iq(struct dvb_frontend *fe, u32 flags,
u32 input = state->mci.tuner;
int i, stat = 0;
mutex_lock(&mci_base->tuner_lock);
if (sx8_base->iq_mode) {
stat = -EBUSY;
goto unlock;
if (!state->iq_started) {
mutex_lock(&mci_base->tuner_lock);
if (sx8_base->iq_mode) {
stat = -EBUSY;
goto unlock;
}
for (i = 0; i < SX8_DEMOD_NUM; i++)
if (sx8_base->demod_in_use[i])
used_demods++;
if (used_demods > 0) {
stat = -EBUSY;
goto unlock;
}
state->mci.demod = 0;
if (!sx8_base->tuner_use_count[input])
mci_set_tuner(fe, input, 1);
sx8_base->tuner_use_count[input]++;
sx8_base->iq_mode = (ts_config > 1);
unlock:
mutex_unlock(&mci_base->tuner_lock);
if (stat)
return stat;
}
for (i = 0; i < SX8_DEMOD_NUM; i++)
if (sx8_base->demod_in_use[i])
used_demods++;
if (used_demods > 0) {
stat = -EBUSY;
goto unlock;
}
state->mci.demod = 0;
if (!sx8_base->tuner_use_count[input])
mci_set_tuner(fe, input, 1);
sx8_base->tuner_use_count[input]++;
sx8_base->iq_mode = (ts_config > 1);
unlock:
mutex_unlock(&mci_base->tuner_lock);
if (stat)
return stat;
memset(&cmd, 0, sizeof(cmd));
cmd.command = SX8_CMD_START_IQ;
cmd.sx8_start_iq.flags = flags;
cmd.sx8_start_iq.flags = flags >> 8;
cmd.sx8_start_iq.roll_off = roll_off;
cmd.sx8_start_iq.frequency = p->frequency * 1000;
cmd.sx8_start_iq.symbol_rate = p->symbol_rate;
cmd.sx8_start_iq.gain = flags & 0xff;
cmd.tuner = state->mci.tuner;
cmd.demod = state->mci.demod;
stat = ddb_mci_cmd(&state->mci, &cmd, NULL);
@ -395,6 +414,13 @@ unlock:
return stat;
}
static int set_lna(struct dvb_frontend *fe)
{
printk("set_lna\n");
return 0;
}
static int set_parameters(struct dvb_frontend *fe)
{
int stat = 0;
@ -441,7 +467,7 @@ static int set_parameters(struct dvb_frontend *fe)
state->mci.signal_info.status = MCI_DEMOD_WAIT_SIGNAL;
}
} else {
stat = start_iq(fe, iq_mode & 1, 4, ts_config);
stat = start_iq(fe, (isi >> 8) & 0xffff, 4, ts_config);
if (!stat) {
state->iq_started = 1;
state->first_time_lock = 1;
@ -530,6 +556,7 @@ static struct dvb_frontend_ops sx8_ops = {
.release = release,
.read_status = read_status,
.set_input = set_input,
.set_lna = set_lna,
.sleep = sleep,
};