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Annotation of XNU/iokit/IOKit/pci/IOPCIBridge.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:  * Copyright (c) 1998 Apple Computer, Inc.  All rights reserved. 
        !            24:  *
        !            25:  * HISTORY
        !            26:  *
        !            27:  */
        !            28: 
        !            29: 
        !            30: #ifndef _IOKIT_IOPCIBRIDGE_H
        !            31: #define _IOKIT_IOPCIBRIDGE_H
        !            32: 
        !            33: #include <IOKit/IOService.h>
        !            34: #include <IOKit/IODeviceMemory.h>
        !            35: #include <IOKit/pci/IOAGPDevice.h>
        !            36: 
        !            37: 
        !            38: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !            39: 
        !            40: class IOPCIBridge : public IOService
        !            41: {
        !            42:     friend IOPCIDevice;
        !            43: 
        !            44:     OSDeclareAbstractStructors(IOPCIBridge)
        !            45: 
        !            46: private:
        !            47:     IORegistryEntry * findMatching( OSIterator * in, IOPCIAddressSpace space );
        !            48:     void publishNubs( OSIterator * kids, UInt32 index );
        !            49:     virtual bool isDTNub( IOPCIDevice * nub );
        !            50:     static void nvLocation( IORegistryEntry * entry,
        !            51:        UInt8 * busNum, UInt8 * deviceNum, UInt8 * functionNum );
        !            52: 
        !            53: protected:
        !            54:     IORangeAllocator * bridgeMemoryRanges;
        !            55:     IORangeAllocator * bridgeIORanges;
        !            56: 
        !            57: protected:
        !            58:     virtual void probeBus( IOService * provider, UInt8 busNum );
        !            59: 
        !            60:     virtual UInt8 firstBusNum( void );
        !            61:     virtual UInt8 lastBusNum( void );
        !            62: 
        !            63:     virtual void spaceFromProperties( OSDictionary * propTable,
        !            64:                                        IOPCIAddressSpace * space );
        !            65:     virtual OSDictionary * constructProperties( IOPCIAddressSpace space );
        !            66: 
        !            67:     virtual IOPCIDevice * createNub( OSDictionary * from );
        !            68: 
        !            69:     virtual bool initializeNub( IOPCIDevice * nub, OSDictionary * from );
        !            70: 
        !            71:     virtual bool publishNub( IOPCIDevice * nub, UInt32 index );
        !            72: 
        !            73:     virtual bool addBridgeMemoryRange( IOPhysicalAddress start,
        !            74:                                        IOPhysicalLength length, bool host );
        !            75: 
        !            76:     virtual bool addBridgeIORange( IOByteCount start, IOByteCount length );
        !            77: 
        !            78:     virtual bool constructRange( IOPCIAddressSpace * flags,
        !            79:                                  IOPhysicalAddress phys, IOPhysicalLength len,
        !            80:                                  OSArray * array );
        !            81: 
        !            82:     virtual bool matchNubWithPropertyTable( IOService * nub,
        !            83:                                            OSDictionary * propertyTable );
        !            84: 
        !            85:     virtual bool compareNubName( const IOService * nub, OSString * name,
        !            86:                                 OSString ** matched = 0 ) const;
        !            87: 
        !            88:     virtual bool pciMatchNub( IOPCIDevice * nub, OSDictionary * table );
        !            89: 
        !            90:     virtual bool matchKeys( IOPCIDevice * nub, const char * keys,
        !            91:                                UInt32 defaultMask, UInt8 regNum );
        !            92: 
        !            93:     virtual IOReturn getNubResources( IOService * nub );
        !            94: 
        !            95:     virtual IOReturn getNubAddressing( IOPCIDevice * nub );
        !            96: 
        !            97:     virtual IOReturn getDTNubAddressing( IOPCIDevice * nub );
        !            98: 
        !            99: public:
        !           100: 
        !           101:     virtual bool start( IOService * provider );
        !           102: 
        !           103:     virtual bool configure( IOService * provider );
        !           104: 
        !           105:     /* * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !           106: 
        !           107:     virtual IODeviceMemory * ioDeviceMemory( void ) = 0;
        !           108: 
        !           109:     virtual UInt32 configRead32( IOPCIAddressSpace space, UInt8 offset ) = 0;
        !           110: 
        !           111:     virtual void configWrite32( IOPCIAddressSpace space,
        !           112:                                        UInt8 offset, UInt32 data ) = 0;
        !           113: 
        !           114:     virtual IOPCIAddressSpace getBridgeSpace( void ) = 0;
        !           115: 
        !           116:     virtual UInt32 findPCICapability( IOPCIAddressSpace space,
        !           117:                                        UInt8 capabilityID );
        !           118: 
        !           119:     /* * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !           120: 
        !           121:     virtual IOReturn createAGPSpace( IOPCIAddressSpace master, 
        !           122:                                     IOOptionBits options,
        !           123:                                     IOPhysicalAddress * address, 
        !           124:                                     IOPhysicalLength * length );
        !           125: 
        !           126:     virtual IOReturn destroyAGPSpace( IOPCIAddressSpace master );
        !           127: 
        !           128:     virtual IORangeAllocator * getAGPRangeAllocator( IOPCIAddressSpace master );
        !           129: 
        !           130:     virtual IOOptionBits getAGPStatus( IOPCIAddressSpace master,
        !           131:                                      IOOptionBits options = 0 );
        !           132: 
        !           133:     virtual IOReturn commitAGPMemory( IOPCIAddressSpace master, 
        !           134:                                      IOMemoryDescriptor * memory,
        !           135:                                      IOByteCount agpOffset,
        !           136:                                      IOOptionBits options = 0 );
        !           137: 
        !           138:     virtual IOReturn releaseAGPMemory( IOPCIAddressSpace master, 
        !           139:                                        IOMemoryDescriptor * memory, 
        !           140:                                        IOByteCount agpOffset );
        !           141: 
        !           142: };
        !           143: 
        !           144: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !           145: 
        !           146: class IOPCI2PCIBridge : public IOPCIBridge
        !           147: {
        !           148:     OSDeclareDefaultStructors(IOPCI2PCIBridge)
        !           149: 
        !           150: private:
        !           151: 
        !           152:     IOPCIDevice * bridgeDevice;
        !           153: 
        !           154: protected:
        !           155:     virtual UInt8 firstBusNum( void );
        !           156:     virtual UInt8 lastBusNum( void );
        !           157: 
        !           158: public:
        !           159:     virtual IOService * probe( IOService *     provider,
        !           160:                                 SInt32 *       score );
        !           161: 
        !           162:     virtual bool configure( IOService * provider );
        !           163: 
        !           164:     virtual bool publishNub( IOPCIDevice * nub, UInt32 index );
        !           165: 
        !           166:     virtual IODeviceMemory * ioDeviceMemory( void );
        !           167: 
        !           168:     virtual IOPCIAddressSpace getBridgeSpace( void );
        !           169: 
        !           170:     virtual UInt32 configRead32( IOPCIAddressSpace space, UInt8 offset );
        !           171: 
        !           172:     virtual void configWrite32( IOPCIAddressSpace space,
        !           173:                                        UInt8 offset, UInt32 data );
        !           174: 
        !           175: };
        !           176: 
        !           177: #endif /* ! _IOKIT_IOPCIBRIDGE_H */
        !           178: 

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