diff options
Diffstat (limited to 'drivers/media/common/tuners/xc4000.c')
| -rw-r--r-- | drivers/media/common/tuners/xc4000.c | 105 |
1 files changed, 43 insertions, 62 deletions
diff --git a/drivers/media/common/tuners/xc4000.c b/drivers/media/common/tuners/xc4000.c index 634f4d9b6c63..d218c1d68c33 100644 --- a/drivers/media/common/tuners/xc4000.c +++ b/drivers/media/common/tuners/xc4000.c @@ -758,7 +758,7 @@ static int xc4000_fwupload(struct dvb_frontend *fe) n_array, fname, name, priv->firm_version >> 8, priv->firm_version & 0xff); - priv->firm = kzalloc(sizeof(*priv->firm) * n_array, GFP_KERNEL); + priv->firm = kcalloc(n_array, sizeof(*priv->firm), GFP_KERNEL); if (priv->firm == NULL) { printk(KERN_ERR "Not enough memory to load firmware file.\n"); rc = -ENOMEM; @@ -1121,83 +1121,62 @@ static void xc_debug_dump(struct xc4000_priv *priv) dprintk(1, "*** Quality (0:<8dB, 7:>56dB) = %d\n", quality); } -static int xc4000_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int xc4000_set_params(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + u32 delsys = c->delivery_system; + u32 bw = c->bandwidth_hz; struct xc4000_priv *priv = fe->tuner_priv; unsigned int type; int ret = -EREMOTEIO; - dprintk(1, "%s() frequency=%d (Hz)\n", __func__, params->frequency); + dprintk(1, "%s() frequency=%d (Hz)\n", __func__, c->frequency); mutex_lock(&priv->lock); - 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 = XC4000_DTV6; - type = 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 = XC4000_DTV6; - type = DTV6; - break; - default: - ret = -EINVAL; - goto fail; - } - } else if (fe->ops.info.type == FE_OFDM) { + switch (delsys) { + case SYS_ATSC: + dprintk(1, "%s() VSB modulation\n", __func__); + priv->rf_mode = XC_RF_MODE_AIR; + priv->freq_hz = c->frequency - 1750000; + priv->video_standard = XC4000_DTV6; + type = DTV6; + break; + case SYS_DVBC_ANNEX_B: + dprintk(1, "%s() QAM modulation\n", __func__); + priv->rf_mode = XC_RF_MODE_CABLE; + priv->freq_hz = c->frequency - 1750000; + priv->video_standard = XC4000_DTV6; + type = DTV6; + break; + case SYS_DVBT: + case SYS_DVBT2: dprintk(1, "%s() OFDM\n", __func__); - switch (params->u.ofdm.bandwidth) { - case BANDWIDTH_6_MHZ: - priv->bandwidth = BANDWIDTH_6_MHZ; + if (bw == 0) { + if (c->frequency < 400000000) { + priv->freq_hz = c->frequency - 2250000; + } else { + priv->freq_hz = c->frequency - 2750000; + } + priv->video_standard = XC4000_DTV7_8; + type = DTV78; + } else if (bw <= 6000000) { priv->video_standard = XC4000_DTV6; - priv->freq_hz = params->frequency - 1750000; + priv->freq_hz = c->frequency - 1750000; type = DTV6; - break; - case BANDWIDTH_7_MHZ: - priv->bandwidth = BANDWIDTH_7_MHZ; + } else if (bw <= 7000000) { priv->video_standard = XC4000_DTV7; - priv->freq_hz = params->frequency - 2250000; + priv->freq_hz = c->frequency - 2250000; type = DTV7; - break; - case BANDWIDTH_8_MHZ: - priv->bandwidth = BANDWIDTH_8_MHZ; + } else { priv->video_standard = XC4000_DTV8; - priv->freq_hz = params->frequency - 2750000; + priv->freq_hz = c->frequency - 2750000; type = DTV8; - break; - case BANDWIDTH_AUTO: - if (params->frequency < 400000000) { - priv->bandwidth = BANDWIDTH_7_MHZ; - priv->freq_hz = params->frequency - 2250000; - } else { - priv->bandwidth = BANDWIDTH_8_MHZ; - priv->freq_hz = params->frequency - 2750000; - } - priv->video_standard = XC4000_DTV7_8; - type = DTV78; - break; - default: - printk(KERN_ERR "xc4000 bandwidth not set!\n"); - ret = -EINVAL; - goto fail; } priv->rf_mode = XC_RF_MODE_AIR; - } else { - printk(KERN_ERR "xc4000 modulation type not supported!\n"); + break; + default: + printk(KERN_ERR "xc4000 delivery system not supported!\n"); ret = -EINVAL; goto fail; } @@ -1209,6 +1188,8 @@ static int xc4000_set_params(struct dvb_frontend *fe, if (check_firmware(fe, type, 0, priv->if_khz) != 0) goto fail; + priv->bandwidth = c->bandwidth_hz; + ret = xc_set_signal_source(priv, priv->rf_mode); if (ret != 0) { printk(KERN_ERR "xc4000: xc_set_signal_source(%d) failed\n", @@ -1605,7 +1586,7 @@ struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe, break; case 1: /* new tuner instance */ - priv->bandwidth = BANDWIDTH_6_MHZ; + priv->bandwidth = 6000000; /* set default configuration */ priv->if_khz = 4560; priv->default_pm = 0; |