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153 lines
3.2 KiB
C
153 lines
3.2 KiB
C
#pragma once
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#include <debug.h>
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#include <ntddk.h>
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#define SB_WAVE_IN_DEVICE_NAME L"\\Device\\SBWaveIn"
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#define SB_WAVE_OUT_DEVICE_NAME L"\\Device\\SBWaveOut"
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/* TODO: MIDI */
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#define SB_AUX_DEVICE_NAME L"\\Device\\SBAux"
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#define SB_MIXER_DEVICE_NAME L"\\Device\\SBMixer"
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#define DEFAULT_PORT 0x220
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#define DEFAULT_IRQ 5
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#define DEFAULT_DMA 1
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#define DEFAULT_BUFFER_SIZE 65535
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#define SB_TIMEOUT 1000000
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#define SB_DSP_READY 0xaa
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enum
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{
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NotDetected,
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SoundBlaster,
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SoundBlasterPro,
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SoundBlaster2,
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SoundBlasterPro2,
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SoundBlasterProMCV,
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SoundBlaster16
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};
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enum
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{
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SB_RESET_PORT = 0x06,
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SB_READ_DATA_PORT = 0x0a,
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SB_WRITE_DATA_PORT = 0x0c,
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SB_WRITE_STATUS_PORT = 0x0c,
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SB_READ_STATUS_PORT = 0x0e
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};
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enum
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{
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SbAutoInitDmaOutput = 0x1c,
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SbAutoInitDmaInput = 0x2c,
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SbSetOutputRate = 0x41, /* DSP v4.xx */
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SbSetInputRate = 0x42, /* DSP v4.xx */
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SbSetBlockSize = 0x48, /* DSP v2.00 + */
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SbPauseDac = 0x80,
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SbPauseDmaOutput = 0xd0,
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SbEnableSpeaker = 0xd1,
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SbDisableSpeaker = 0xd3,
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SbGetSpeakerStatus = 0xd8, /* DSP v2.00 + */
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SbGetDspVersion = 0xe1
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};
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typedef struct _SOUND_BLASTER_PARAMETERS
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{
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PDRIVER_OBJECT driver;
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PWSTR registry_path;
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PKINTERRUPT interrupt;
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ULONG port;
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ULONG irq;
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ULONG dma;
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ULONG buffer_size;
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USHORT dsp_version;
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} SOUND_BLASTER_PARAMETERS, *PSOUND_BLASTER_PARAMETERS;
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typedef NTAPI NTSTATUS REGISTRY_CALLBACK_ROUTINE(PDRIVER_OBJECT DriverObject, PWSTR RegistryPath);
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typedef REGISTRY_CALLBACK_ROUTINE *PREGISTRY_CALLBACK_ROUTINE;
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/*
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Port I/O
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*/
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#define SbWrite(sbdevice, subport, data) \
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WRITE_PORT_UCHAR((PUCHAR) sbdevice->port + subport, data)
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#define SbRead(sbdevice, subport) \
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READ_PORT_UCHAR((PUCHAR) sbdevice->port + subport)
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#define SbWriteReset(sbdevice, data) \
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SbWrite(sbdevice, SB_RESET_PORT, data)
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#define SbWriteDataWithoutWait(sbdevice, data) \
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SbWrite(sbdevice, SB_WRITE_DATA_PORT, data)
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#define SbReadDataWithoutWait(sbdevice) \
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SbRead(sbdevice, SB_READ_DATA_PORT)
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#define SbGetWriteStatus(sbdevice) \
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SbRead(sbdevice, SB_WRITE_STATUS_PORT)
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#define SbGetReadStatus(sbdevice) \
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SbRead(sbdevice, SB_READ_STATUS_PORT)
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BOOLEAN
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WaitForReady(
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PSOUND_BLASTER_PARAMETERS SBDevice,
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UCHAR Port);
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#define WaitToWrite(sbdevice) \
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WaitForReady(sbdevice, SB_WRITE_STATUS_PORT)
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#define WaitToRead(sbdevice) \
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WaitForReady(sbdevice, SB_READ_STATUS_PORT)
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BOOLEAN
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ResetSoundBlaster(
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PSOUND_BLASTER_PARAMETERS SBDevice);
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ULONG
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GetSoundBlasterModel(
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PSOUND_BLASTER_PARAMETERS SBDevice);
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BOOLEAN
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IsSampleRateCompatible(
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PSOUND_BLASTER_PARAMETERS SBDevice,
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ULONG SampleRate);
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BOOLEAN
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SetOutputSampleRate(
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PSOUND_BLASTER_PARAMETERS SBDevice,
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ULONG SampleRate);
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BOOLEAN
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EnableSpeaker(
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PSOUND_BLASTER_PARAMETERS SBDevice);
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BOOLEAN
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DisableSpeaker(
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PSOUND_BLASTER_PARAMETERS SBDevice);
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BOOLEAN
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StartSoundOutput(
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PSOUND_BLASTER_PARAMETERS SBDevice,
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ULONG BitDepth,
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ULONG Channels,
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ULONG BlockSize);
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/*
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interrupt.c
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*/
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NTSTATUS
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EnableIrq(
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PDEVICE_OBJECT DeviceObject);
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