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V4L/DVB (13839): smsdvb: add ISDB-T as DVB-T tuning support hack

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Activate ISDB-T mode using module option default_mode=6.

hack: use 4 lower bits in frequency for segment number

[mchehab@redhat.com: fix merge conflicts and CodingStyle]
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Michael Krufky 2009-12-22 21:08:49 -03:00 committed by Mauro Carvalho Chehab
parent c245c75c41
commit 6b26fcea51
1 changed files with 72 additions and 9 deletions
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79
drivers/media/dvb/siano/smsdvb.c
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@ -134,6 +134,7 @@ static int smsdvb_onresponse(void *context, struct smscore_buffer_t *cb)
break;
case MSG_SMS_RF_TUNE_RES:
case MSG_SMS_ISDBT_TUNE_RES:
complete(&client->tune_done);
break;
@ -413,7 +414,7 @@ static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
return 0;
}
static int smsdvb_set_frontend(struct dvb_frontend *fe,
static int smsdvb_dvbt_set_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *fep)
{
struct smsdvb_client_t *client =
@ -470,6 +471,75 @@ static int smsdvb_set_frontend(struct dvb_frontend *fe,
&client->tune_done);
}
static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *fep,
u32 SegmentNumber)
{
struct smsdvb_client_t *client =
container_of(fe, struct smsdvb_client_t, frontend);
struct {
struct SmsMsgHdr_ST Msg;
u32 Data[4];
} Msg;
Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
Msg.Msg.msgDstId = HIF_TASK;
Msg.Msg.msgFlags = 0;
Msg.Msg.msgType = MSG_SMS_ISDBT_TUNE_REQ;
Msg.Msg.msgLength = sizeof(Msg);
Msg.Data[0] = fep->frequency;
Msg.Data[2] = 12000000;
Msg.Data[3] = SegmentNumber;
sms_debug("freq %d band %d seg %d\n",
fep->frequency, fep->u.ofdm.bandwidth, SegmentNumber);
switch (fep->u.ofdm.bandwidth) {
case BANDWIDTH_8_MHZ:
Msg.Data[1] = BW_ISDBT_3SEG;
break;
case BANDWIDTH_7_MHZ:
Msg.Data[1] = BW_ISDBT_3SEG;
break;
case BANDWIDTH_6_MHZ:
Msg.Data[1] = BW_ISDBT_1SEG;
break;
case BANDWIDTH_AUTO:
return -EOPNOTSUPP;
default:
return -EINVAL;
}
return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
&client->tune_done);
}
static int smsdvb_set_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *fep)
{
struct smsdvb_client_t *client =
container_of(fe, struct smsdvb_client_t, frontend);
struct smscore_device_t *coredev = client->coredev;
switch (smscore_get_device_mode(coredev)) {
case DEVICE_MODE_DVBT:
case DEVICE_MODE_DVBT_BDA:
return smsdvb_dvbt_set_frontend(fe, fep);
case DEVICE_MODE_ISDBT:
case DEVICE_MODE_ISDBT_BDA:
{
u32 segmentnum;
/* XXX: hack - use 4 lower bits in frequency for segment num */
segmentnum = fep->frequency & 0x0000000f;
fep->frequency &= ~0x0000000f;
return smsdvb_isdbt_set_frontend(fe, fep, segmentnum);
}
default:
return -EINVAL;
}
}
static int smsdvb_get_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *fep)
{
@ -557,13 +627,6 @@ static int smsdvb_hotplug(struct smscore_device_t *coredev,
/* device removal handled by onremove callback */
if (!arrival)
return 0;
if (smscore_get_device_mode(coredev) != DEVICE_MODE_DVBT_BDA) {
sms_err("SMS Device mode is not set for "
"DVB operation.");
return 0;
}
client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
if (!client) {
sms_err("kmalloc() failed");