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authorDavid T.L. Wong <davidtlwong@gmail.com>2009-05-04 22:59:58 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-06-16 18:21:07 -0300
commit6c99080d8eae64c51f8b44946eb47f995361c582 (patch)
tree528289237e273d3b09672390858e366c281367c5 /drivers/media/common
parenta6301d1d57dc08ef0e575d39f21435a2fe805900 (diff)
V4L/DVB (11803): xc5000: add support for DVB-T tuning
This patch adds XC5000 supports for DVB-T 6MHz and 8MHz bandwidth. Signed-off-by: David T.L. Wong <davidtlwong@gmail.com> Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/common')
-rw-r--r--drivers/media/common/tuners/xc5000.c63
1 files changed, 45 insertions, 18 deletions
diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index a75521caa41d..cc829a0b6db7 100644
--- a/drivers/media/common/tuners/xc5000.c
+++ b/drivers/media/common/tuners/xc5000.c
@@ -636,25 +636,52 @@ static int xc5000_set_params(struct dvb_frontend *fe,
dprintk(1, "%s() frequency=%d (Hz)\n", __func__, params->frequency);
- switch (params->u.vsb.modulation) {
- case VSB_8:
- case VSB_16:
- dprintk(1, "%s() VSB modulation\n", __func__);
+ if (fe->ops.info.type == FE_ATSC) {
+ dprintk(1, "%s() ATSC\n", __func__);
+ switch (params->u.vsb.modulation) {
+ case VSB_8:
+ case VSB_16:
+ dprintk(1, "%s() VSB modulation\n", __func__);
+ priv->rf_mode = XC_RF_MODE_AIR;
+ priv->freq_hz = params->frequency - 1750000;
+ priv->bandwidth = BANDWIDTH_6_MHZ;
+ priv->video_standard = DTV6;
+ break;
+ case QAM_64:
+ case QAM_256:
+ case QAM_AUTO:
+ dprintk(1, "%s() QAM modulation\n", __func__);
+ priv->rf_mode = XC_RF_MODE_CABLE;
+ priv->freq_hz = params->frequency - 1750000;
+ priv->bandwidth = BANDWIDTH_6_MHZ;
+ priv->video_standard = DTV6;
+ break;
+ default:
+ return -EINVAL;
+ }
+ } else if (fe->ops.info.type == FE_OFDM) {
+ dprintk(1, "%s() OFDM\n", __func__);
+ switch (params->u.ofdm.bandwidth) {
+ case BANDWIDTH_6_MHZ:
+ priv->bandwidth = BANDWIDTH_6_MHZ;
+ priv->video_standard = DTV6;
+ priv->freq_hz = params->frequency - 1750000;
+ break;
+ case BANDWIDTH_7_MHZ:
+ printk(KERN_ERR "xc5000 bandwidth 7MHz not supported\n");
+ return -EINVAL;
+ case BANDWIDTH_8_MHZ:
+ priv->bandwidth = BANDWIDTH_8_MHZ;
+ priv->video_standard = DTV8;
+ priv->freq_hz = params->frequency - 2750000;
+ break;
+ default:
+ printk(KERN_ERR "xc5000 bandwidth not set!\n");
+ return -EINVAL;
+ }
priv->rf_mode = XC_RF_MODE_AIR;
- priv->freq_hz = params->frequency - 1750000;
- priv->bandwidth = BANDWIDTH_6_MHZ;
- priv->video_standard = DTV6;
- break;
- case QAM_64:
- case QAM_256:
- case QAM_AUTO:
- dprintk(1, "%s() QAM modulation\n", __func__);
- priv->rf_mode = XC_RF_MODE_CABLE;
- priv->freq_hz = params->frequency - 1750000;
- priv->bandwidth = BANDWIDTH_6_MHZ;
- priv->video_standard = DTV6;
- break;
- default:
+ } else {
+ printk(KERN_ERR "xc5000 modulation type not supported!\n");
return -EINVAL;
}