lib/drivers/sound/soundblaster/version.c

   1 /*
   2     ReactOS Sound System
   3     Sound Blaster DSP support
   4     Version routine
   5
   6     Author:
   7         Andrew Greenwood (silverblade@reactos.org)
   8
   9     History:
  10         2 July 2008 - Created (split from sbdsp.c)
  11
  12     Notes:
  13         Functions documented in sbdsp.h
  14 */
  15
  16 #include <ntddk.h>
  17 #include <debug.h>
  18
  19 #include <sbdsp.h>
  20
  21 NTSTATUS
  22 SbDspGetVersion(
  23     IN  PUCHAR BasePort,
  24     OUT PUCHAR MajorVersion,
  25     OUT PUCHAR MinorVersion,
  26     IN  ULONG Timeout)
  27 {
  28     NTSTATUS Status;
  29
  30     /* Make sure our parameters are sane */
  31     if ( ! MajorVersion )
  32         return STATUS_INVALID_PARAMETER_2;
  33
  34     if ( ! MinorVersion )
  35         return STATUS_INVALID_PARAMETER_3;
  36
  37     /* Send version request */
  38     Status = SbDspWrite(BasePort, SB_DSP_VERSION, Timeout);
  39     if ( Status != STATUS_SUCCESS )
  40         return Status;
  41
  42     /* Get the major version */
  43     Status = SbDspRead(BasePort, MajorVersion, Timeout);
  44     if ( Status != STATUS_SUCCESS )
  45         return FALSE;
  46
  47     /* Get the minor version */
  48     Status = SbDspRead(BasePort, MinorVersion, Timeout);
  49     return Status;
  50 }