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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-15 12:49:56 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-15 12:49:56 -0800
commit122804ecb59493fbb4d31b3ba9ac59faaf45276f (patch)
treecff4d8a158c412e4a8d3abc8d91bb0eb52b01c9a /drivers/media/common/tuners/xc4000.c
parent16008d641670571ff4cd750b416c7caf2d89f467 (diff)
parent126400033940afb658123517a2e80eb68259fbd7 (diff)
downloadblackbird-op-linux-122804ecb59493fbb4d31b3ba9ac59faaf45276f.tar.gz
blackbird-op-linux-122804ecb59493fbb4d31b3ba9ac59faaf45276f.zip
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (655 commits) [media] revert patch: HDIC HD29L2 DMB-TH USB2.0 reference design driver mb86a20s: Add a few more register settings at the init seq mb86a20s: Group registers into the same line [media] [PATCH] don't reset the delivery system on DTV_CLEAR [media] [BUG] it913x-fe fix typo error making SNR levels unstable [media] cx23885: Query the CX25840 during enum_input for status [media] cx25840: Add support for g_input_status [media] rc-videomate-m1f.c Rename to match remote controler name [media] drivers: media: au0828: Fix dependency for VIDEO_AU0828 [media] convert drivers/media/* to use module_platform_driver() [media] drivers: video: cx231xx: Fix dependency for VIDEO_CX231XX_DVB [media] Exynos4 JPEG codec v4l2 driver [media] doc: v4l: selection: choose pixels as units for selection rectangles [media] v4l: s5p-tv: mixer: fix setup of VP scaling [media] v4l: s5p-tv: mixer: add support for selection API [media] v4l: emulate old crop API using extended crop/compose API [media] doc: v4l: add documentation for selection API [media] doc: v4l: add binary images for selection API [media] v4l: add support for selection api [media] hd29l2: fix review findings ...
Diffstat (limited to 'drivers/media/common/tuners/xc4000.c')
-rw-r--r--drivers/media/common/tuners/xc4000.c105
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;
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