188 lines
4.2 KiB
C
188 lines
4.2 KiB
C
/*++
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"@(#) NEC localmix.h 1.1 95/03/22 21:23:30"
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Copyright (c) 1995 NEC Corporation.
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Copyright (c) 1993 Microsoft Corporation
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Module Name:
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hardware.h
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Abstract:
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This include file defines constants and types for
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the Microsoft sound system card.
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Revision History:
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--*/
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//
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// WSS specific MIXERLINE flags placed in MIXERLINE.dwUser field. these
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// flags are used by the WSS mixer application and Voice Pilot. these
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// flags are _ignored_ by any generic mixer application.
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//
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#define SNDSYS_MIXERLINE_LOWPRIORITY (0x00000001L)
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//***************************************************************************
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// Define some stuff for the muxes
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// NOTE: These are NOT the physical settings for the chip, they will get
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// translated to that later.
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#define MUXINPUT_AUX1 0
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#define MUXINPUT_MIC 1
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/*
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** Maximum number of controls and lines. Note we may not use all of
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** them because we may not have midi etc etc
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*/
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enum {
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DestLineout = 0,
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DestWaveIn,
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DestVoiceIn,
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DestLineoutSourceAux1,
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DestLineoutSourceWaveout,
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DestLineoutSourceMidiout,
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DestWaveInSourceAux1,
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DestWaveInSourceMic,
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DestVoiceInSourceAux1,
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DestVoiceInSourceMic,
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MAXLINES
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} MixerLineIds;
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/*
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** Ids for a couple of our controls
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*/
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enum {
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ControlLineoutVolume = 0,
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ControlLineoutMute,
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ControlWaveInMux,
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ControlVoiceInMux,
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ControlLineoutAux1Volume,
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ControlLineoutAux1Mute,
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ControlLineoutWaveoutVolume,
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ControlLineoutWaveoutMute,
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ControlLineoutWaveoutPeak,
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ControlLineoutMidioutVolume,
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ControlLineoutMidioutMute,
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ControlWaveInAux1Volume,
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ControlWaveInAux1Peak,
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ControlWaveInMicVolume,
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ControlWaveInMicPeak,
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ControlVoiceInAux1Volume,
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ControlVoiceInAux1Peak,
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ControlVoiceInMicVolume,
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ControlVoiceInMicPeak,
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MAXCONTROLS
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};
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/*
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** Can't set the peak meters
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*/
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#define MAXSETTABLECONTROLS (MAXCONTROLS - 5)
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#define NUMBEROFTEXTITEMS 4
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/*
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** Info about controls
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*/
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typedef union {
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USHORT u;
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SHORT s;
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} MIXER_CONTROL_DATA_VALUE;
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typedef struct {
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MIXER_CONTROL_DATA_VALUE v[2];
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}
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MIXER_CONTROL_DATA_ITEM, *PMIXER_CONTROL_DATA_ITEM;
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typedef struct {
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BOOLEAN Signed; // TRUE = signed
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UCHAR SetIndex; // index into ControlData - 0xFF if not
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// settable
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#define MIXER_SET_INDEX_INVALID 0xFF
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BOOLEAN Mux; // Mux control
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BOOLEAN Boolean; // Boolean values
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struct {
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MIXER_CONTROL_DATA_VALUE Min;
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MIXER_CONTROL_DATA_VALUE Max;
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} Range;
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/*
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** Remember what the controls are set to. Since no control has
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** more than 2 data items (either 2 multiple items or 2 channels)
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** we can have a fixed item for all of them. Of course we can't
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** make this assumption for generic code but it's valid for this driver.
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** In addition, each value is actually guaranteed to fit in a short
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*/
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MIXER_CONTROL_DATA_ITEM Data;
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} LOCAL_MIXER_CONTROL_INFO, *PLOCAL_MIXER_CONTROL_INFO;
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/*
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** Local mixer data
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*/
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typedef struct {
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/*
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** This array is what gets dumped to the registry and is updated
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** when stuff changes and copied when the settings are queried
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** Note that we don't need to save peak meter info anywhere
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*/
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LOCAL_MIXER_CONTROL_INFO ControlInfo[MAXCONTROLS];
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/*
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** Notification data - fixed stuff to chain on the notification list
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*/
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MIXER_DATA_ITEM ControlNotification[MAXSETTABLECONTROLS];
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MIXER_DATA_ITEM LineNotification[MAXLINES];
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} LOCAL_MIXER_DATA, *PLOCAL_MIXER_DATA;
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/*
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** Data
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*/
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extern CONST MIXER_DD_LINE_CONFIGURATION_DATA MixerLineInit[MAXLINES];
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extern CONST MIXER_DD_CONTROL_CONFIGURATION_DATA MixerControlInit[MAXCONTROLS];
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extern CONST MIXER_DD_CONTROL_LISTTEXT MixerTextInit[NUMBEROFTEXTITEMS];
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/*
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** Mixer management routines
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*/
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VOID
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SoundSaveMixerSettings(
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struct _GLOBAL_DEVICE_INFO *pGDI
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);
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NTSTATUS
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SoundMixerInit(
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PLOCAL_DEVICE_INFO pLDI,
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PMIXER_CONTROL_DATA_ITEM SavedControlData,
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BOOLEAN MixerSettingsFound
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);
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NTSTATUS
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SoundMixerDumpConfiguration(
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IN PLOCAL_DEVICE_INFO pLDI,
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IN OUT PIRP pIrp,
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IN PIO_STACK_LOCATION IrpStack
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);
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