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authorMauro Carvalho Chehab <mchehab@redhat.com>2011-12-21 08:53:22 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-12-31 08:27:44 -0200
commit506cd7145430c0802bf0bc0b7aa029b4c342d0cb (patch)
tree76865961afe57b43a6511511c037dabafdc8d9d3 /drivers/media
parent53ccd1ca69c14e29ce927c4992e5b5ceae379d64 (diff)
[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>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/common/tuners/tuner-xc2028.c83
1 files changed, 36 insertions, 47 deletions
diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c
index 4df952c47f86..d052c264a457 100644
--- a/drivers/media/common/tuners/tuner-xc2028.c
+++ b/drivers/media/common/tuners/tuner-xc2028.c
@@ -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);
}