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Annotation of Examples/DriverKit/SoundBlaster8/SoundBlaster8_reloc.tproj/SoundBlaster8.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1994 NeXT Computer, Inc.  All rights reserved. 
        !             3:  *
        !             4:  * HISTORY
        !             5:  * 4-Mar-94    Rakesh Dubey at NeXT
        !             6:  *      Created. 
        !             7:  */
        !             8: 
        !             9: #import <driverkit/IOAudio.h>
        !            10: #import <driverkit/i386/ioPorts.h>
        !            11: #import <soundkit/NXSoundParameterTags.h>
        !            12: 
        !            13: @interface SoundBlaster8 : IOAudio
        !            14: {
        !            15: @private
        !            16:     unsigned int currentDMADirection;
        !            17:     BOOL interruptTimedOut;
        !            18:     unsigned int dmaDescriptorSize;    // DMA descriptor size for interrupts
        !            19:     BOOL isValidRequest;               // Can we do I/O of type requested?
        !            20: }
        !            21: 
        !            22: + (BOOL)probe: deviceDescription;
        !            23: - (BOOL)reset;
        !            24: - (void) initializeHardware;
        !            25: 
        !            26: - (BOOL) isValidRequest: (BOOL)isRead;
        !            27: 
        !            28: - (BOOL) startDMAForChannel: (unsigned int) localChannel
        !            29:         read: (BOOL) isRead
        !            30:         buffer: (IOEISADMABuffer) buffer
        !            31:         bufferSizeForInterrupts: (unsigned int) division;
        !            32: 
        !            33: - (void) stopDMAForChannel: (unsigned int) localChannel read: (BOOL) isRead;
        !            34: 
        !            35: - (void) interruptOccurredForInput: (BOOL *) serviceInput  
        !            36:                          forOutput: (BOOL *) serviceOutput;
        !            37: 
        !            38: - (void)updateSampleRate;
        !            39:             
        !            40: - (void) setBufferCount:(int)count;
        !            41: 
        !            42: 
        !            43: - (IOReturn)enableAllInterrupts;
        !            44: - (void)disableAllInterrupts;
        !            45: 
        !            46: - (BOOL)acceptsContinuousSamplingRates;
        !            47: 
        !            48: - (void)getSamplingRatesLow:(int *)lowRate
        !            49:                                          high:(int *)highRate;
        !            50: 
        !            51: - (void)getSamplingRates:(int *)rates
        !            52:                                 count:(unsigned int *)numRates;
        !            53: 
        !            54: - (void)getDataEncodings: (NXSoundParameterTag *)encodings
        !            55:                                 count:(unsigned int *)numEncodings;
        !            56: 
        !            57: - (unsigned int)channelCountLimit;
        !            58: 
        !            59: - (void) updateInputGainLeft;
        !            60: - (void) updateInputGainRight;
        !            61: - (void) updateOutputMute;
        !            62: - (void) updateOutputAttenuationLeft;
        !            63: - (void) updateOutputAttenuationRight;
        !            64: 
        !            65: @end

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