projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 1999 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 | /* Sym8xxController.h created by russb2 on Sat 30-May-1998 */ | |
| 24 | ||
| 25 | #include <IOKit/IOMemoryCursor.h> | |
| 26 | #include <IOKit/pci/IOPCIDevice.h> | |
| 27 | #include <libkern/OSByteOrder.h> | |
| 28 | ||
| 29 | #include <IOKit/scsi/IOSCSIParallelInterface.h> | |
| 30 | ||
| 31 | #include "Sym8xxRegs.h" | |
| 32 | #include "Sym8xxInterface.h" | |
| 33 | #include "Sym8xxSRB.h" | |
| 34 | ||
| 35 | #include "Sym8xxScript.h" | |
| 36 | ||
| 37 | #define offsetof(type, field) ((int)&((type *)0)->field) | |
| 38 | ||
| 39 | class Sym8xxSCSIController : public IOSCSIParallelController | |
| 40 | { | |
| 41 | OSDeclareDefaultStructors( Sym8xxSCSIController ) | |
| 42 | ||
| 43 | private: | |
| 44 | ||
| 45 | AdapterInterface *adapter; | |
| 46 | AdapterInterface *adapterPhys; | |
| 47 | ||
| 48 | UInt32 nexusArrayVirt[MAX_SCSI_TAG]; | |
| 49 | ||
| 50 | IOBigMemoryCursor *memoryCursor; | |
| 51 | ||
| 52 | IOPCIDevice *provider; | |
| 53 | ||
| 54 | IOInterruptEventSource *interruptEvent; | |
| 55 | ||
| 56 | IOMemoryMap *ioMapRegs; | |
| 57 | IOMemoryMap *ioMapRam; | |
| 58 | ||
| 59 | UInt8 mailBoxIndex; | |
| 60 | ||
| 61 | UInt32 initiatorID; | |
| 62 | ||
| 63 | UInt8 istatReg; | |
| 64 | UInt8 dstatReg; | |
| 65 | u_int16_t sistReg; | |
| 66 | ||
| 67 | UInt32 scriptRestartAddr; | |
| 68 | ||
| 69 | UInt32 srbSeqNum; | |
| 70 | UInt32 resetSeqNum; | |
| 71 | ||
| 72 | SRB *resetSRB; | |
| 73 | SRB *abortSRB; | |
| 74 | SRB *abortCurrentSRB; | |
| 75 | bool abortReqPending; | |
| 76 | bool initialReset; | |
| 77 | ||
| 78 | bool negotiateWDTRComplete; | |
| 79 | bool negotiateSDTRComplete; | |
| 80 | ||
| 81 | UInt32 transferPeriod; | |
| 82 | UInt32 transferOffset; | |
| 83 | UInt32 transferWidth; | |
| 84 | ||
| 85 | UInt32 chipId; | |
| 86 | UInt32 chipClockRate; | |
| 87 | ||
| 88 | volatile UInt8 *chipBaseAddr; | |
| 89 | UInt8 *chipBaseAddrPhys; | |
| 90 | ||
| 91 | volatile UInt8 *chipRamAddr; | |
| 92 | UInt8 *chipRamAddrPhys; | |
| 93 | ||
| 94 | public: | |
| 95 | bool configure( IOService *forProvider, SCSIControllerInfo *controllerInfo ); | |
| 96 | void executeCommand( IOSCSIParallelCommand *scsiCommand ); | |
| 97 | void cancelCommand( IOSCSIParallelCommand *scsiCommand ); | |
| 98 | void resetCommand( IOSCSIParallelCommand *scsiCommand ); | |
| 99 | ||
| 100 | private: | |
| 101 | bool Sym8xxInit(); | |
| 102 | bool Sym8xxInitPCI(); | |
| 103 | bool Sym8xxInitVars(); | |
| 104 | bool Sym8xxInitScript(); | |
| 105 | void Sym8xxLoadScript( UInt32 *scriptPgm, UInt32 scriptWords ); | |
| 106 | bool Sym8xxInitChip(); | |
| 107 | ||
| 108 | void Sym8xxCalcMsgs( IOSCSIParallelCommand *scsiCommand ); | |
| 109 | void Sym8xxAbortCommand( IOSCSIParallelCommand *scsiCommand ); | |
| 110 | ||
| 111 | bool Sym8xxUpdateSGList( SRB *srb ); | |
| 112 | bool Sym8xxUpdateSGListVirt( SRB *srb ); | |
| 113 | bool Sym8xxUpdateSGListDesc( SRB *srb ); | |
| 114 | ||
| 115 | void Sym8xxStartSRB( SRB *srb ); | |
| 116 | void Sym8xxSignalScript( SRB *srb ); | |
| 117 | void interruptOccurred( IOInterruptEventSource *ies, int intCount ); | |
| 118 | void Sym8xxProcessIODone(); | |
| 119 | void Sym8xxCompleteSRB( SRB *srb ); | |
| 120 | void Sym8xxProcessInterrupt(); | |
| 121 | void Sym8xxAdjustDataPtrs( SRB *srb, Nexus *nexus ); | |
| 122 | UInt32 Sym8xxCheckFifo( SRB *srb, UInt32 *pfifoCnt ); | |
| 123 | void Sym8xxUpdateXferOffset( SRB *srb ); | |
| 124 | void Sym8xxProcessNoNexus(); | |
| 125 | void Sym8xxAbortCurrent( SRB *srb ); | |
| 126 | void Sym8xxClearFifo(); | |
| 127 | void Sym8xxNegotiateSDTR( SRB *srb, Nexus *nexus ); | |
| 128 | void Sym8xxNegotiateWDTR( SRB *srb, Nexus *nexus ); | |
| 129 | void Sym8xxSendMsgReject( SRB *srb ); | |
| 130 | void Sym8xxSCSIBusReset(SRB *srb ); | |
| 131 | void Sym8xxProcessSCSIBusReset(); | |
| 132 | void Sym8xxCheckRequestSense( SRB *srb ); | |
| 133 | void Sym8xxAbortBdr( SRB *srb ); | |
| 134 | bool Sym8xxCancelMailBox( Nexus *nexusCancel ); | |
| 135 | void Sym8xxCancelMailBox( UInt32 target, UInt32 lun, bool fReschedule ); | |
| 136 | ||
| 137 | void Sym8xxAbortScript(); | |
| 138 | ||
| 139 | UInt32 Sym8xxReadRegs( volatile UInt8 *chipRegs, UInt32 regOffset, UInt32 regSize ); | |
| 140 | void Sym8xxWriteRegs( volatile UInt8 *chipRegs, UInt32 regOffset, UInt32 regSize, UInt32 regValue ); | |
| 141 | ||
| 142 | }; | |
| 143 |