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Annotation of Examples/DriverKit/S3/S3_reloc.tproj/S3.h, revision 1.1.1.1

1.1       root        1: /* CONFIDENTIAL
                      2:  * Copyright (c) 1993 by NeXT Computer, Inc as an unpublished work.
                      3:  * All rights reserved.
                      4:  *
                      5:  * S3.h -- interface for S3 display driver.
                      6:  *
                      7:  * Created by Peter Graffagnino 1/31/93
                      8:  * Modified by Derek B Clegg   21 May 1993
                      9:  */
                     10: 
                     11: #ifndef S3_H__
                     12: #define S3_H__
                     13: 
                     14: #import <driverkit/IOFrameBufferDisplay.h>
                     15: #import "S3Modes.h"
                     16: 
                     17: @interface S3:IOFrameBufferDisplay
                     18: {
                     19:     /* The adapter; either S3_805 or S3_928. */
                     20:     S3AdapterType adapter;
                     21: 
                     22:     /* The memory installed on this device. */
                     23:     vm_size_t availableMemory;
                     24: 
                     25:     /* The type of DAC this device has. */
                     26:     DACtype dac;
                     27: 
                     28:     /* The bus configuration. */
                     29:     int busConfiguration;
                     30: 
                     31:     /* The table of valid modes for this device. */
                     32:     const IODisplayInfo *modeTable;
                     33: 
                     34:     /* The count of valid modes for this device. */
                     35:     unsigned int modeTableCount;
                     36: 
                     37:     /* The physical address of framebuffer. */
                     38:     unsigned long videoRamAddress;
                     39: 
                     40:     /* YES if the fast write buffer is enabled; NO otherwise. */
                     41:     BOOL writePostingEnabled;
                     42: 
                     43:     /* YES if the read-ahead cache is enabled; NO otherwise. */
                     44:     BOOL readAheadCacheEnabled;
                     45: 
                     46:     /* The transfer tables for this mode. */
                     47:     unsigned char *redTransferTable;
                     48:     unsigned char *greenTransferTable;
                     49:     unsigned char *blueTransferTable;
                     50: 
                     51:     /* The number of entries in the transfer table. */
                     52:     int transferTableCount;
                     53: 
                     54:     /* The current screen brightness. */
                     55:     int brightnessLevel;
                     56: 
                     57:     /* Reserved for future expansion. */
                     58:     unsigned int _S3_reserved[8];
                     59: }
                     60: - (void)enterLinearMode;
                     61: - (void)revertToVGAMode;
                     62: - initFromDeviceDescription: deviceDescription;
                     63: - setBrightness:(int)level token:(int)t;
                     64: @end
                     65: 
                     66: @interface S3 (SetMode)
                     67: - determineConfiguration;
                     68: - selectMode;
                     69: - initializeMode;
                     70: - enableLinearFrameBuffer;
                     71: - resetVGA;
                     72: @end
                     73: 
                     74: @interface S3 (ProgramDAC)
                     75: - determineDACType;
                     76: - (BOOL)hasTransferTable;
                     77: - (BOOL)needsSoftwareGammaCorrection;
                     78: - resetDAC;
                     79: - programDAC;
                     80: - setGammaTable;
                     81: @end
                     82: 
                     83: @interface S3 (ConfigTable)
                     84: - (const char *)valueForStringKey:(const char *)key;
                     85: - (int)parametersForMode:(const char *)modeName
                     86:        forStringKey:(const char *)key
                     87:        parameters:(char *)parameters
                     88:        count:(int)count;
                     89: - (BOOL)booleanForStringKey:(const char *)key withDefault:(BOOL)defaultValue;
                     90: @end
                     91: 
                     92: #endif /* S3_H__ */

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