static int fdtv_ca_get_msg(struct firedtv *fdtv, void *arg)
{
struct firedtv_tuner_status stat;
int err;
switch (fdtv->ca_last_command) {
case EN50221_TAG_APP_INFO_ENQUIRY:
err = fdtv_ca_app_info(fdtv, arg);
break;
case EN50221_TAG_CA_INFO_ENQUIRY:
err = fdtv_ca_info(fdtv, arg);
break;
default:
err = avc_tuner_status(fdtv, &stat);
if (err)
break;
if (stat.ca_mmi == 1)
err = fdtv_ca_get_mmi(fdtv, arg);
else {
dev_info(fdtv->device, "unhandled CA message 0x%08x\n",
fdtv->ca_last_command);
err = -EACCES;
}
}
fdtv->ca_last_command = 0;
return err;
}
static int fdtv_ca_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct dvb_device *dvbdev = file->private_data;
struct firedtv *fdtv = dvbdev->priv;
struct firedtv_tuner_status stat;
int err;
switch (cmd) {
case CA_RESET:
err = avc_ca_reset(fdtv);
break;
case CA_GET_CAP:
err = fdtv_ca_get_caps(arg);
break;
case CA_GET_SLOT_INFO:
err = fdtv_ca_get_slot_info(fdtv, arg);
break;
case CA_GET_MSG:
err = fdtv_ca_get_msg(fdtv, arg);
break;
case CA_SEND_MSG:
err = fdtv_ca_send_msg(fdtv, arg);
break;
default:
dev_info(fdtv->device, "unhandled CA ioctl %u\n", cmd);
err = -EOPNOTSUPP;
}
/* FIXME Is this necessary? */
avc_tuner_status(fdtv, &stat);
return err;
}
static int fdtv_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
{
struct firedtv *fdtv = fe->sec_priv;
struct firedtv_tuner_status stat;
if (avc_tuner_status(fdtv, &stat))
return -EINVAL;
*strength = stat.signal_strength << 8;
return 0;
}
static int fdtv_read_ber(struct dvb_frontend *fe, u32 *ber)
{
struct firedtv *fdtv = fe->sec_priv;
struct firedtv_tuner_status stat;
if (avc_tuner_status(fdtv, &stat))
return -EINVAL;
*ber = stat.ber;
return 0;
}
static int fdtv_read_snr(struct dvb_frontend *fe, u16 *snr)
{
struct firedtv *fdtv = fe->sec_priv;
struct firedtv_tuner_status stat;
if (avc_tuner_status(fdtv, &stat))
return -EINVAL;
/* C/N[dB] = -10 * log10(snr / 65535) */
*snr = stat.carrier_noise_ratio * 257;
return 0;
}
static int fdtv_ca_get_slot_info(struct firedtv *fdtv, void *arg)
{
struct firedtv_tuner_status stat;
struct ca_slot_info *slot = arg;
if (avc_tuner_status(fdtv, &stat))
return -EFAULT;
if (slot->num != 0)
return -EFAULT;
slot->type = CA_CI;
slot->flags = fdtv_get_ca_flags(&stat);
return 0;
}
static int fdtv_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
struct firedtv *fdtv = fe->sec_priv;
struct firedtv_tuner_status stat;
if (avc_tuner_status(fdtv, &stat))
return -EINVAL;
if (stat.no_rf)
*status = 0;
else
*status = FE_HAS_SIGNAL | FE_HAS_VITERBI | FE_HAS_SYNC |
FE_HAS_CARRIER | FE_HAS_LOCK;
return 0;
}
int fdtv_ca_register(struct firedtv *fdtv)
{
struct firedtv_tuner_status stat;
int err;
if (avc_tuner_status(fdtv, &stat))
return -EINVAL;
if (!fdtv_ca_ready(&stat))
return -EFAULT;
err = dvb_register_device(&fdtv->adapter, &fdtv->cadev,
&fdtv_ca, fdtv, DVB_DEVICE_CA);
if (stat.ca_application_info == 0)
dev_err(fdtv->device, "CaApplicationInfo is not set\n");
if (stat.ca_date_time_request == 1)
avc_ca_get_time_date(fdtv, &fdtv->ca_time_interval);
return err;
}
