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Annotation of Examples/DriverKit/SoundBlaster8/SoundBlaster8_reloc.tproj/SoundBlaster8.h, revision 1.1.1.1

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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