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>

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;
         }