Return to AppleATAUltra646.h CVS log

Up to [Apple XNU] / XNU / iokit / Drivers / ata / drvAppleATA

Annotation of XNU/iokit/Drivers/ata/drvAppleATA/AppleATAUltra646.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  *
        !            24:  *     AppleATAUltra646.h
        !            25:  *
        !            26:  */
        !            27: 
        !            28: #include <IOKit/IOTimerEventSource.h>
        !            29: #include <IOKit/IOMemoryCursor.h>
        !            30: #include <IOKit/pci/IOPCIDevice.h>
        !            31: #include <libkern/OSByteOrder.h>
        !            32: 
        !            33: #include "AppleATA.h"
        !            34: #include "AppleATAUltra646Regs.h"
        !            35: 
        !            36: class AppleATAUltra646 : public AppleATA
        !            37: {
        !            38:     OSDeclareDefaultStructors( AppleATAUltra646 )
        !            39: 
        !            40: public:
        !            41:    virtual bool                        getPath( char * path, int * length, const IORegistryPlane * plane ) const;
        !            42:    virtual IOService *                 matchLocation( IOService * client );
        !            43:    void                                free();
        !            44: 
        !            45: protected:
        !            46:     bool                       configure( IOService *provider, UInt32 *controllerDataSize );
        !            47: 
        !            48:     bool                       createWorkLoop( IOWorkLoop **workLoop );
        !            49: 
        !            50:     void                       interruptOccurred();
        !            51: 
        !            52:     void                       enableControllerInterrupts();
        !            53:     void                       disableControllerInterrupts();
        !            54: 
        !            55:     bool                       provideProtocols( ATAProtocol *protocolsSupported );
        !            56:     bool                       provideTimings( UInt32 *numTimings, ATATiming *timingsSupported );
        !            57:     bool                       calculateTiming( UInt32 deviceNum, ATATiming *timing );
        !            58: 
        !            59:     bool                       selectTiming( UInt32 deviceNum, ATATimingProtocol timingProtocol );
        !            60: 
        !            61:     void                       newDeviceSelected( IOATADevice *newDevice );
        !            62: 
        !            63:     void                       writeATAReg( UInt32 regIndex, UInt32 regValue );
        !            64:     UInt32                     readATAReg(  UInt32 regIndex );
        !            65: 
        !            66:     bool                       programDma( IOATACommand *cmd );
        !            67:     bool                       startDma( IOATACommand *cmd );
        !            68:     bool                       stopDma( IOATACommand *cmd, UInt32 *transferCount );
        !            69: 
        !            70:     void                       ataTimer( IOTimerEventSource *time );
        !            71: 
        !            72: private:
        !            73:     bool                       calculatePIOTiming( UInt32 deviceNum, ATATiming *timing );
        !            74:     bool                       calculateDMATiming( UInt32 deviceNum, ATATiming *timing );
        !            75:     bool                       calculateUltraDMATiming( UInt32 deviceNum, ATATiming *timing );
        !            76: 
        !            77:     UInt32                     pciReadByte( UInt32 reg );
        !            78:     void                       pciWriteByte( UInt32 reg, UInt32 value );
        !            79:     UInt32                     pciReadLong( UInt32 reg );
        !            80:     void                       pciWriteLong( UInt32 reg, UInt32 value );
        !            81: 
        !            82: private:
        !            83:     IOPCIDevice                                *provider;
        !            84:     IOService                          *pathProvider;
        !            85: 
        !            86:     UInt32                             busNum;
        !            87: 
        !            88:     IOMemoryMap                                *ioMapATA[2];
        !            89:     volatile UInt32                    *ioBaseATA[2];
        !            90: 
        !            91:     IOTimerEventSource                 *timerEventSource;
        !            92:     IOInterruptEventSource             *interruptEventSource;
        !            93: 
        !            94:     Ultra646Regs                       ideTimingRegs[2];
        !            95: 
        !            96:     IOBigMemoryCursor                  *dmaMemoryCursor;
        !            97:     Ultra646Descriptor                 *dmaDescriptors;
        !            98:     UInt32                             dmaDescriptorsPhys;
        !            99:     UInt32                             numDescriptors;
        !           100: 
        !           101:     void                               *bitBucketAddr;
        !           102:     UInt32                             bitBucketAddrPhys;
        !           103: 
        !           104:     UInt32                             dmaReqLength;
        !           105:     bool                               dmaIsWrite;
        !           106: };
        !           107: 

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.