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authorDavid T.L. Wong <davidtlwong@gmail.com>2009-05-04 21:59:58 -0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-06-16 17:21:07 -0400
commit6c99080d8eae64c51f8b44946eb47f995361c582 (patch)
tree528289237e273d3b09672390858e366c281367c5 /drivers/media/common/tuners/xc5000.c
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/tuners/xc5000.c')
-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,
636 636
637 dprintk(1, "%s() frequency=%d (Hz)\n", __func__, params->frequency); 637 dprintk(1, "%s() frequency=%d (Hz)\n", __func__, params->frequency);
638 638
639 switch (params->u.vsb.modulation) { 639 if (fe->ops.info.type == FE_ATSC) {
640 case VSB_8: 640 dprintk(1, "%s() ATSC\n", __func__);
641 case VSB_16: 641 switch (params->u.vsb.modulation) {
642 dprintk(1, "%s() VSB modulation\n", __func__); 642 case VSB_8:
643 case VSB_16:
644 dprintk(1, "%s() VSB modulation\n", __func__);
645 priv->rf_mode = XC_RF_MODE_AIR;
646 priv->freq_hz = params->frequency - 1750000;
647 priv->bandwidth = BANDWIDTH_6_MHZ;
648 priv->video_standard = DTV6;
649 break;
650 case QAM_64:
651 case QAM_256:
652 case QAM_AUTO:
653 dprintk(1, "%s() QAM modulation\n", __func__);
654 priv->rf_mode = XC_RF_MODE_CABLE;
655 priv->freq_hz = params->frequency - 1750000;
656 priv->bandwidth = BANDWIDTH_6_MHZ;
657 priv->video_standard = DTV6;
658 break;
659 default:
660 return -EINVAL;
661 }
662 } else if (fe->ops.info.type == FE_OFDM) {
663 dprintk(1, "%s() OFDM\n", __func__);
664 switch (params->u.ofdm.bandwidth) {
665 case BANDWIDTH_6_MHZ:
666 priv->bandwidth = BANDWIDTH_6_MHZ;
667 priv->video_standard = DTV6;
668 priv->freq_hz = params->frequency - 1750000;
669 break;
670 case BANDWIDTH_7_MHZ:
671 printk(KERN_ERR "xc5000 bandwidth 7MHz not supported\n");
672 return -EINVAL;
673 case BANDWIDTH_8_MHZ:
674 priv->bandwidth = BANDWIDTH_8_MHZ;
675 priv->video_standard = DTV8;
676 priv->freq_hz = params->frequency - 2750000;
677 break;
678 default:
679 printk(KERN_ERR "xc5000 bandwidth not set!\n");
680 return -EINVAL;
681 }
643 priv->rf_mode = XC_RF_MODE_AIR; 682 priv->rf_mode = XC_RF_MODE_AIR;
644 priv->freq_hz = params->frequency - 1750000; 683 } else {
645 priv->bandwidth = BANDWIDTH_6_MHZ; 684 printk(KERN_ERR "xc5000 modulation type not supported!\n");
646 priv->video_standard = DTV6;
647 break;
648 case QAM_64:
649 case QAM_256:
650 case QAM_AUTO:
651 dprintk(1, "%s() QAM modulation\n", __func__);
652 priv->rf_mode = XC_RF_MODE_CABLE;
653 priv->freq_hz = params->frequency - 1750000;
654 priv->bandwidth = BANDWIDTH_6_MHZ;
655 priv->video_standard = DTV6;
656 break;
657 default:
658 return -EINVAL; 685 return -EINVAL;
659 } 686 }
660 687