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[media] tuner-xc2028: use DVBv5 parameters on set_params() 

Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2011-12-21 08:53:22 -03:00
parent 53ccd1ca69
commit 506cd71454
1 changed files with 36 additions and 47 deletions
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83
drivers/media/common/tuners/tuner-xc2028.c
View File

@ -1087,65 +1087,26 @@ static int xc2028_set_analog_freq(struct dvb_frontend *fe,
static int xc2028_set_params(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
u32 delsys = c->delivery_system;
u32 bw = c->bandwidth_hz;
struct xc2028_data *priv = fe->tuner_priv;
unsigned int type=0;
fe_bandwidth_t bw = BANDWIDTH_8_MHZ;
u16 demod = 0;
tuner_dbg("%s called\n", __func__);
switch(fe->ops.info.type) {
case FE_OFDM:
bw = p->u.ofdm.bandwidth;
switch (delsys) {
case SYS_DVBT:
case SYS_DVBT2:
/*
* The only countries with 6MHz seem to be Taiwan/Uruguay.
* Both seem to require QAM firmware for OFDM decoding
* Tested in Taiwan by Terry Wu <terrywu2009@gmail.com>
*/
if (bw == BANDWIDTH_6_MHZ)
if (bw <= 6000000)
type |= QAM;
break;
case FE_ATSC:
bw = BANDWIDTH_6_MHZ;
/* The only ATSC firmware (at least on v2.7) is D2633 */
type |= ATSC | D2633;
break;
/* DVB-S and pure QAM (FE_QAM) are not supported */
default:
return -EINVAL;
}
switch (bw) {
case BANDWIDTH_8_MHZ:
if (p->frequency < 470000000)
priv->ctrl.vhfbw7 = 0;
else
priv->ctrl.uhfbw8 = 1;
type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV8;
type |= F8MHZ;
break;
case BANDWIDTH_7_MHZ:
if (p->frequency < 470000000)
priv->ctrl.vhfbw7 = 1;
else
priv->ctrl.uhfbw8 = 0;
type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV7;
type |= F8MHZ;
break;
case BANDWIDTH_6_MHZ:
type |= DTV6;
priv->ctrl.vhfbw7 = 0;
priv->ctrl.uhfbw8 = 0;
break;
default:
tuner_err("error: bandwidth not supported.\n");
};
/*
Selects between D2633 or D2620 firmware.
It doesn't make sense for ATSC, since it should be D2633 on all cases
*/
if (fe->ops.info.type != FE_ATSC) {
switch (priv->ctrl.type) {
case XC2028_D2633:
type |= D2633;
@ -1161,6 +1122,34 @@ static int xc2028_set_params(struct dvb_frontend *fe,
else
type |= D2620;
}
break;
case SYS_ATSC:
/* The only ATSC firmware (at least on v2.7) is D2633 */
type |= ATSC | D2633;
break;
/* DVB-S and pure QAM (FE_QAM) are not supported */
default:
return -EINVAL;
}
if (bw <= 6000000) {
type |= DTV6;
priv->ctrl.vhfbw7 = 0;
priv->ctrl.uhfbw8 = 0;
} else if (bw <= 7000000) {
if (c->frequency < 470000000)
priv->ctrl.vhfbw7 = 1;
else
priv->ctrl.uhfbw8 = 0;
type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV7;
type |= F8MHZ;
} else {
if (c->frequency < 470000000)
priv->ctrl.vhfbw7 = 0;
else
priv->ctrl.uhfbw8 = 1;
type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV8;
type |= F8MHZ;
}
/* All S-code tables need a 200kHz shift */
@ -1185,7 +1174,7 @@ static int xc2028_set_params(struct dvb_frontend *fe,
*/
}
return generic_set_freq(fe, p->frequency,
return generic_set_freq(fe, c->frequency,
V4L2_TUNER_DIGITAL_TV, type, 0, demod);
}