[silverblade] 34258: Implemented routines for destroying legacy sound devices. Updated SB16_NT4 so that it may now correctly create and destroy devices. It can also register and unregister an interrupt handler (currently hard-coded to IRQ 5 but will be selectable later).
2 Jul
2008
2 Jul
'08
12:28 p.m.
Author: silverblade
Date: Wed Jul 2 07:28:32 2008
New Revision: 34258
URL: http://svn.reactos.org/svn/reactos?rev=34258&view=rev
Log:
Implemented routines for destroying legacy sound devices. Updated SB16_NT4
so that it may now correctly create and destroy devices. It can also
register and unregister an interrupt handler (currently hard-coded to IRQ 5
but will be selectable later).
Added:
branches/silverblade-audio/include/reactos/libs/sound/hardware.h (with props)
Modified:
branches/silverblade-audio/drivers/multimedia/audio/sb16_nt4/main.c
branches/silverblade-audio/drivers/multimedia/audio/sb16_nt4/sb16_nt4.rbuild
branches/silverblade-audio/include/reactos/libs/sound/devname.h
branches/silverblade-audio/include/reactos/libs/sound/sbdsp.h
branches/silverblade-audio/lib/drivers/sound/legacy/devname.c
branches/silverblade-audio/lib/drivers/sound/soundblaster/mixer.c
Modified: branches/silverblade-audio/drivers/multimedia/audio/sb16_nt4/main.c
URL:
http://svn.reactos.org/svn/reactos/branches/silverblade-audio/drivers/multi…
==============================================================================
--- branches/silverblade-audio/drivers/multimedia/audio/sb16_nt4/main.c [iso-8859-1]
(original)
+++ branches/silverblade-audio/drivers/multimedia/audio/sb16_nt4/main.c [iso-8859-1] Wed
Jul 2 07:28:32 2008
@@ -20,6 +20,7 @@
#include <ntddsnd.h>
#include <debug.h>
+#include <hardware.h>
#include <sbdsp.h>
#include <devname.h>
@@ -94,12 +95,65 @@
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_SUCCESS;}
+
+
+/*
+ ============ HACKY TESTING CODE FOLLOWS ==============
+*/
+
+PDEVICE_OBJECT g_device;
+PKINTERRUPT g_interrupt = 0;
+
+STDCALL
+BOOLEAN
+InterruptService(
+ IN struct _KINTERRUPT *Interrupt,
+ IN PVOID ServiceContext)
+{
+ DbgPrint("ISR called\n");
+ return TRUE;
+}
+
+
+
+NTSTATUS
+PrepareSoundBlaster(
+ IN PDRIVER_OBJECT DriverObject)
+{
+ NTSTATUS result;
+
+ DbgPrint("Creating sound device\n");
+ result = CreateSoundDeviceWithDefaultName(DriverObject, 0, 69, 0, &g_device);
+ DbgPrint("Request returned status 0x%08x\n",
+ result);
+
+ DbgPrint("Attaching interrupt\n");
+ /* Interrupt */
+ result = LegacyAttachInterrupt(g_device, 5, InterruptService, &g_interrupt);
+ DbgPrint("Request %s\n",
+ result == STATUS_SUCCESS ? "succeeded" : "failed");
+
+ return result;
+}
+
VOID STDCALL
UnloadSoundBlaster(
IN PDRIVER_OBJECT DriverObject)
{
+ NTSTATUS Status;
DbgPrint("Sound Blaster driver being unloaded\n");
+
+ if ( g_interrupt )
+ {
+ DbgPrint("Disconnecting interrupt\n");
+ IoDisconnectInterrupt(g_interrupt);
+ }
+
+ DbgPrint("Destroying devices\n");
+ Status = DestroySoundDeviceWithDefaultName(g_device, 0, 69);
+ DbgPrint("Status 0x%08x\n", Status);
+
/*INFO_(IHVAUDIO, "Sound Blaster driver being unloaded");*/
}
@@ -158,15 +212,12 @@
STDCALL
NTSTATUS
-ThisIsSparta(IN PDRIVER_OBJECT DriverObject)
-{
- DEVICE_OBJECT device;
+TestSoundBlasterLibrary()
+{
NTSTATUS result;
- BOOLEAN speaker_state = TRUE;
+ BOOLEAN speaker_state = TRUE, agc_enabled = FALSE;
UCHAR major = 0x69, minor = 0x96;
UCHAR level = 0;
-
- /*CreateSoundDeviceWithDefaultName(DriverObject, 0, 69, 0, &device);*/
/* 0x220 is the port we expect to work */
DbgPrint("Resetting Sound Blaster DSP at 0x220\n");
@@ -188,6 +239,8 @@
result == STATUS_SUCCESS ? "successful" :
"unsuccessful");
DbgPrint("Sound Blaster DSP version is %d.%02d\n", major, minor);
+ /* Speaker tests */
+
result = SbDspIsSpeakerEnabled((PUCHAR)0x220, &speaker_state,
SB_DEFAULT_TIMEOUT);
DbgPrint("Speaker state retrieval %s\n",
result == STATUS_SUCCESS ? "succeeded" : "failed");
@@ -214,6 +267,9 @@
result == STATUS_SUCCESS ? "succeeded" : "failed");
DbgPrint("Speaker state is now %s\n",
speaker_state ? "ENABLED" : "DISABLED");
+
+
+ /* Mixer tests */
DbgPrint("Resetting SB Mixer\n");
SbMixerReset((PUCHAR)0x220);
@@ -229,8 +285,23 @@
result == STATUS_SUCCESS ? "succeeded" : "failed");
DbgPrint("Level is 0x%x\n", level);
+
+ /* AGC testing */
+
+ agc_enabled = SbMixerIsAGCEnabled((PUCHAR)0x220);
+ DbgPrint("AGC enabled? %d\n", agc_enabled);
+
+ SbMixerEnableAGC((PUCHAR)0x220);
+ agc_enabled = SbMixerIsAGCEnabled((PUCHAR)0x220);
+ DbgPrint("AGC enabled? %d\n", agc_enabled);
+
+ SbMixerDisableAGC((PUCHAR)0x220);
+ agc_enabled = SbMixerIsAGCEnabled((PUCHAR)0x220);
+ DbgPrint("AGC enabled? %d\n", agc_enabled);
+
return STATUS_SUCCESS;
}
+
@@ -254,5 +325,6 @@
DriverObject->DriverUnload = UnloadSoundBlaster;
/* Hax */
- return ThisIsSparta(DriverObject);
-}
+ TestSoundBlasterLibrary();
+ return PrepareSoundBlaster(DriverObject);
+}
Modified: branches/silverblade-audio/drivers/multimedia/audio/sb16_nt4/sb16_nt4.rbuild
URL:
http://svn.reactos.org/svn/reactos/branches/silverblade-audio/drivers/multi…
==============================================================================
--- branches/silverblade-audio/drivers/multimedia/audio/sb16_nt4/sb16_nt4.rbuild
[iso-8859-1] (original)
+++ branches/silverblade-audio/drivers/multimedia/audio/sb16_nt4/sb16_nt4.rbuild
[iso-8859-1] Wed Jul 2 07:28:32 2008
@@ -8,6 +8,7 @@
<importlibrary definition="sb16_nt4.def" />
<library>soundblaster</library>
<library>audio</library>
+ <library>audioleg</library>
<library>ntoskrnl</library>
<library>hal</library>
<file>main.c</file>
Modified: branches/silverblade-audio/include/reactos/libs/sound/devname.h
URL:
http://svn.reactos.org/svn/reactos/branches/silverblade-audio/include/react…
==============================================================================
--- branches/silverblade-audio/include/reactos/libs/sound/devname.h [iso-8859-1]
(original)
+++ branches/silverblade-audio/include/reactos/libs/sound/devname.h [iso-8859-1] Wed Jul
2 07:28:32 2008
@@ -92,7 +92,7 @@
IN PCWSTR WideDosDeviceName,
IN UCHAR Index,
IN ULONG ExtensionSize,
- OUT PDEVICE_OBJECT DeviceObject);
+ OUT PDEVICE_OBJECT* DeviceObject);
/*
@@ -108,6 +108,31 @@
IN UCHAR DeviceType,
IN UCHAR Index,
IN ULONG ExtensionSize,
- OUT PDEVICE_OBJECT DeviceObject);
+ OUT PDEVICE_OBJECT* DeviceObject);
+
+
+/*
+ DestroySoundDevice
+
+ Destroy a device and its symbolic link
+*/
+NTSTATUS
+DestroySoundDevice(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PCWSTR WideDosDeviceName,
+ IN UCHAR Index);
+
+
+/*
+ DestroySoundDeviceWithDefaultName
+
+ Similar to DestroySoundDevice, but operating on one of the
+ default device names.
+*/
+NTSTATUS
+DestroySoundDeviceWithDefaultName(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN UCHAR DeviceType,
+ IN UCHAR Index);
#endif
Added: branches/silverblade-audio/include/reactos/libs/sound/hardware.h
URL:
http://svn.reactos.org/svn/reactos/branches/silverblade-audio/include/react…
==============================================================================
--- branches/silverblade-audio/include/reactos/libs/sound/hardware.h (added)
+++ branches/silverblade-audio/include/reactos/libs/sound/hardware.h [iso-8859-1] Wed Jul
2 07:28:32 2008
@@ -1,0 +1,23 @@
+/*
+ ReactOS Sound System
+ Legacy support
+ Hardware interaction helper
+
+ Author:
+ Andrew Greenwood (silverblade(a)reactos.org)
+
+ History:
+ 2 July 2008 - Created
+*/
+
+#ifndef ROS_AUDIOLEG_HARDWARE_H
+#define ROS_AUDIOLEG_HARDWARE_H
+
+NTSTATUS
+LegacyAttachInterrupt(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN UCHAR Irq,
+ IN PKSERVICE_ROUTINE ServiceRoutine,
+ OUT PKINTERRUPT* InterruptObject);
+
+#endif
Propchange: branches/silverblade-audio/include/reactos/libs/sound/hardware.h
------------------------------------------------------------------------------
svn:eol-style = native
Modified: branches/silverblade-audio/include/reactos/libs/sound/sbdsp.h
URL:
http://svn.reactos.org/svn/reactos/branches/silverblade-audio/include/react…
==============================================================================
--- branches/silverblade-audio/include/reactos/libs/sound/sbdsp.h [iso-8859-1] (original)
+++ branches/silverblade-audio/include/reactos/libs/sound/sbdsp.h [iso-8859-1] Wed Jul 2
07:28:32 2008
@@ -116,6 +116,18 @@
#define SB_MIX_BASS_LEFT_LEVEL 0x46
#define SB_MIX_BASS_RIGHT_LEVEL 0x47
+/*
+ Mixer switches
+ (are these correct?)
+*/
+#define SB_MIX_MIDI_LEFT_SWITCH 0x01
+#define SB_MIX_MIDI_RIGHT_SWITCH 0x02
+#define SB_MIX_LINE_LEFT_SWITCH 0x04
+#define SB_MIX_LINE_RIGHT_SWITCH 0x08
+#define SB_MIX_CD_LEFT_SWITCH 0x10
+#define SB_MIX_CD_RIGHT_SWITCH 0x20
+#define SB_MIX_MIC_SWITCH 0x40
+
/*
Reset the Sound Blaster DSP.
@@ -290,5 +302,23 @@
IN UCHAR Line,
OUT PUCHAR Level);
+/*
+ Enable automatic gain control
+*/
+VOID
+SbMixerEnableAGC(IN PUCHAR BasePort);
+
+/*
+ Disable automatic gain control
+*/
+VOID
+SbMixerDisableAGC(IN PUCHAR BasePort);
+
+/*
+ Retrieve the current state of the automatic gain control
+*/
+BOOLEAN
+SbMixerIsAGCEnabled(IN PUCHAR BasePort);
+
#endif
Modified: branches/silverblade-audio/lib/drivers/sound/legacy/devname.c
URL:
http://svn.reactos.org/svn/reactos/branches/silverblade-audio/lib/drivers/s…
==============================================================================
--- branches/silverblade-audio/lib/drivers/sound/legacy/devname.c [iso-8859-1] (original)
+++ branches/silverblade-audio/lib/drivers/sound/legacy/devname.c [iso-8859-1] Wed Jul 2
07:28:32 2008
@@ -167,17 +167,25 @@
OUT PCWSTR* DeviceNameBody,
OUT PCWSTR* DosDeviceNameBody)
{
- ASSERT(DeviceNameBody != NULL);
- ASSERT(DosDeviceNameBody != NULL);
-
if ( DeviceType > MAX_DEVICE_TYPE )
{
DPRINT("Invalid device type");
return STATUS_INVALID_PARAMETER;
}
- *DeviceNameBody = SoundDeviceNameBodies[DeviceType].DeviceName;
- *DosDeviceNameBody = SoundDeviceNameBodies[DeviceType].DosDeviceName;
+ if ( DeviceNameBody )
+ {
+ DPRINT("Reporting device name\n");
+ *DeviceNameBody = SoundDeviceNameBodies[DeviceType].DeviceName;
+ DPRINT("%ws\n", *DeviceNameBody);
+ }
+
+ if ( DosDeviceNameBody )
+ {
+ DPRINT("Reporting DOS device name\n");
+ *DosDeviceNameBody = SoundDeviceNameBodies[DeviceType].DosDeviceName;
+ DPRINT("%ws\n", *DosDeviceNameBody);
+ }
return STATUS_SUCCESS;
}
@@ -254,7 +262,7 @@
IN PCWSTR WideDosDeviceName,
IN UCHAR Index,
IN ULONG ExtensionSize,
- OUT PDEVICE_OBJECT DeviceObject)
+ OUT PDEVICE_OBJECT* DeviceObject)
{
NTSTATUS Status;
@@ -287,6 +295,8 @@
{
return Status;
}
+
+ DPRINT("Creating device %ws\n", WideDeviceName);
/* Now create the device */
Status = IoCreateDevice(DriverObject,
@@ -295,7 +305,7 @@
FILE_DEVICE_SOUND,
0,
FALSE,
- &DeviceObject);
+ DeviceObject);
if ( ! NT_SUCCESS(Status) )
{
@@ -306,12 +316,14 @@
return Status;
}
+ DPRINT("Creating link %ws\n", WideDosDeviceName);
+
/* Create a symbolic link for the DOS deviec name */
Status = IoCreateSymbolicLink(&DosDeviceName, &DeviceName);
if ( ! NT_SUCCESS(Status) )
{
- /* IoDeleteDevice( --- What are we deleting? */
+ IoDeleteDevice(*DeviceObject);
/* These will have been allocated by ConstructSoundDeviceNames */
FreeUnicodeStringBuffer(&DeviceName);
@@ -337,7 +349,7 @@
IN UCHAR DeviceType,
IN UCHAR Index,
IN ULONG ExtensionSize,
- OUT PDEVICE_OBJECT DeviceObject)
+ OUT PDEVICE_OBJECT* DeviceObject)
{
NTSTATUS Status;
PCWSTR WideDeviceName = NULL;
@@ -383,3 +395,86 @@
return STATUS_SUCCESS;
}
+
+NTSTATUS
+DestroySoundDevice(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PCWSTR WideDosDeviceName,
+ IN UCHAR Index)
+{
+ NTSTATUS Status;
+ UNICODE_STRING DosDeviceName;
+
+ /* Check for NULL parameters */
+ if ( ( ! WideDosDeviceName ) || ( ! DeviceObject ) )
+ {
+ DPRINT("Unexpected NULL parameter");
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ /* Range-check */
+ if ( Index >= SOUND_MAX_DEVICES )
+ {
+ DPRINT("Device %d exceeds maximum", Index);
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ Status = ConstructDeviceName(WideDosDeviceName, Index, &DosDeviceName);
+
+ if ( ! NT_SUCCESS(Status) )
+ {
+ return Status;
+ }
+
+ DPRINT("Deleting symlink %ws\n", WideDosDeviceName);
+
+ Status = IoDeleteSymbolicLink(&DosDeviceName);
+ DPRINT("Status of symlink deletion is 0x%08x\n", Status);
+/*
+ ASSERT(NT_SUCCESS(Status));
+*/
+
+ IoDeleteDevice(DeviceObject);
+
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS
+DestroySoundDeviceWithDefaultName(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN UCHAR DeviceType,
+ IN UCHAR Index)
+{
+ NTSTATUS Status;
+ PCWSTR WideDosDeviceName = NULL;
+
+ /* Check for NULL parameters */
+ if ( ( ! DeviceObject ) )
+ {
+ DPRINT("Unexpected NULL parameter");
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ /* Range-check */
+ if ( Index >= SOUND_MAX_DEVICES )
+ {
+ DPRINT("Device index %d exceeds maximum", Index);
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ /* Look-up the default name based on the device type */
+ Status = GetDefaultSoundDeviceNameBodies(DeviceType,
+ NULL,
+ &WideDosDeviceName);
+
+ if ( ! NT_SUCCESS(Status) )
+ {
+ return Status;
+ }
+
+ DPRINT("DOS device name at %p\n", WideDosDeviceName);
+
+ DPRINT("DOS device name is based on %ws\n", WideDosDeviceName);
+
+ return DestroySoundDevice(DeviceObject, WideDosDeviceName, Index);
+}
Modified: branches/silverblade-audio/lib/drivers/sound/soundblaster/mixer.c
URL:
http://svn.reactos.org/svn/reactos/branches/silverblade-audio/lib/drivers/s…
==============================================================================
--- branches/silverblade-audio/lib/drivers/sound/soundblaster/mixer.c [iso-8859-1]
(original)
+++ branches/silverblade-audio/lib/drivers/sound/soundblaster/mixer.c [iso-8859-1] Wed Jul
2 07:28:32 2008
@@ -12,8 +12,10 @@
Notes:
Functions documented in sbdsp.h
- Currently, input/output switches and AGC are not
- supported. Nor is PC speaker volume.
+ Currently, input/output switches and PC speaker volume
+ level are not supported.
+
+ The I/O switches are used for muting/unmuting mic, etc.
*/
#include <ntddk.h>
@@ -218,3 +220,27 @@
return STATUS_SUCCESS;
}
+
+VOID
+SbMixerEnableAGC(IN PUCHAR BasePort)
+{
+ /* Untested... */
+ WRITE_SB_MIXER_REGISTER(BasePort, SB_MIX_AGC);
+ WRITE_SB_MIXER_DATA(BasePort, 1);
+}
+
+VOID
+SbMixerDisableAGC(IN PUCHAR BasePort)
+{
+ /* Untested... */
+ WRITE_SB_MIXER_REGISTER(BasePort, SB_MIX_AGC);
+ WRITE_SB_MIXER_DATA(BasePort, 0);
+}
+
+BOOLEAN
+SbMixerIsAGCEnabled(IN PUCHAR BasePort)
+{
+ /* Untested... */
+ WRITE_SB_MIXER_REGISTER(BasePort, SB_MIX_AGC);
+ return (READ_SB_MIXER_DATA(BasePort) != 0);
+}
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