NTSTATUS
SbDspGetVersion(
IN PUCHAR BasePort,
OUT PUCHAR MajorVersion,
OUT PUCHAR MinorVersion,
IN ULONG Timeout)
{
NTSTATUS Status;
/* Make sure our parameters are sane */
if ( ! MajorVersion )
return STATUS_INVALID_PARAMETER_2;
if ( ! MinorVersion )
return STATUS_INVALID_PARAMETER_3;
/* Send version request */
Status = SbDspWrite(BasePort, SB_DSP_VERSION, Timeout);
if ( Status != STATUS_SUCCESS )
return Status;
/* Get the major version */
Status = SbDspRead(BasePort, MajorVersion, Timeout);
if ( Status != STATUS_SUCCESS )
return FALSE;
/* Get the minor version */
Status = SbDspRead(BasePort, MinorVersion, Timeout);
return Status;
}
// [fold] [
int SbDetect(void)
{
int old;
if (!SbDspReset())
return FALSE ;
// Detecte la puce MIXER.
audio.mixer = FALSE;
old=SbMixerRead(0x22);
SbMixerWrite(0x22,243);
if (SbMixerRead(0x22)==243) {
SbMixerWrite(0x22,old);
audio.mixer = TRUE;
}
// Detecte la version du DSP sur la carte
audio.dspversion=0;
SbDspWrite(0xe1); // Get version number.
audio.dspversion = SbDspRead()<<8;
audio.dspversion |= SbDspRead();
// Determine le type de carte (8,PRO ou 16)
if (!audio.mixer) audio.type=SB8;
else {
if (audio.dspversion<0x0400) audio.type=SBPRO;
else audio.type=SB16;
}
// DEBUG: Pour l'instant on sucre la SB-PRO !!
if (audio.type==SBPRO) {
audio.type=SB8;
audio.mixer=FALSE;
}
return TRUE ;
}