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Annotation of XNU/iokit/Drivers/platform/drvAppleGossamerPE/Gossamer.cpp, 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) 1999 Apple Computer, Inc.  All rights reserved.
        !            24:  *
        !            25:  *  DRI: Josh de Cesare
        !            26:  *
        !            27:  */
        !            28: 
        !            29: extern "C" {
        !            30: #include <machine/machine_routines.h>
        !            31: }
        !            32: 
        !            33: #include <IOKit/IODeviceTreeSupport.h>
        !            34: 
        !            35: #include "Gossamer.h"
        !            36: 
        !            37: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !            38: 
        !            39: #define super ApplePlatformExpert
        !            40: 
        !            41: OSDefineMetaClassAndStructors(GossamerPE, ApplePlatformExpert);
        !            42: 
        !            43: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !            44: 
        !            45: bool GossamerPE::start(IOService *provider)
        !            46: {
        !            47:   unsigned int         tmpVal;
        !            48:   
        !            49:   setFamily(2); // Gossamer...
        !            50:   
        !            51:   // Set the machine type.
        !            52:   if (IODTMatchNubWithKeys(provider, "'AAPL,Gossamer'"))
        !            53:     machineType = kGossamerTypeGossamer;
        !            54:   else if (IODTMatchNubWithKeys(provider, "'AAPL,PowerMac G3'"))
        !            55:     machineType = kGossamerTypeSilk;
        !            56:   else if (IODTMatchNubWithKeys(provider, "'AAPL,PowerBook1998'"))
        !            57:     machineType = kGossamerTypeWallstreet;
        !            58:   else if (IODTMatchNubWithKeys(provider, "'iMac,1'"))
        !            59:     machineType = kGossamerTypeiMac;
        !            60:   else if (IODTMatchNubWithKeys(provider, "('PowerMac1,1', 'PowerMac1,2')"))
        !            61:     machineType = kGossamerTypeYosemite;
        !            62:   else if (IODTMatchNubWithKeys(provider, "'PowerBook1,1'"))
        !            63:     machineType = kGossamerType101;
        !            64:   
        !            65:   // Find out if this an all in one.
        !            66:   allInOne = 0;
        !            67:   if (ml_probe_read(kGossamerMachineIDReg, &tmpVal)) {
        !            68:     switch (machineType) {
        !            69:     case kGossamerTypeGossamer :
        !            70:     case kGossamerTypeSilk :
        !            71:       if (!(tmpVal & kGossamerAllInOneMask)) allInOne = 1;
        !            72:       break;
        !            73:       
        !            74:     case kGossamerTypeiMac :
        !            75:       allInOne = 1;
        !            76:       break;
        !            77:     }
        !            78:   }
        !            79:   
        !            80:   return super::start(provider);
        !            81: }
        !            82: 
        !            83: 
        !            84: static unsigned long gossamerSpeed[] = { 66820000, 1 };
        !            85: static unsigned long yosemiteSpeed[] = { 99730000, 1 };
        !            86: 
        !            87: void GossamerPE::getDefaultBusSpeeds(int *numSpeeds,
        !            88:                                     unsigned long **speedList)
        !            89: {
        !            90:   if ((numSpeeds == 0) || (speedList == 0)) return;
        !            91:   
        !            92:   switch (machineType) {
        !            93:   case kGossamerTypeGossamer :
        !            94:   case kGossamerTypeSilk :
        !            95:     *numSpeeds = 1;
        !            96:     *speedList = gossamerSpeed;
        !            97:     break;
        !            98:     
        !            99:   case kGossamerTypeYosemite :
        !           100:     *numSpeeds = 1;
        !           101:     *speedList = yosemiteSpeed;
        !           102:     break;
        !           103:     
        !           104:   default :
        !           105:     *numSpeeds = 0;
        !           106:     *speedList = 0;
        !           107:     break;
        !           108:   }
        !           109: }
        !           110: 
        !           111: 
        !           112: bool GossamerPE::platformAdjustService(IOService *service)
        !           113: {
        !           114:   long            tmpNum;
        !           115:   OSData          *tmpData;
        !           116:   
        !           117:   // Add the extra sound properties for Gossamer AIO
        !           118:   if (allInOne && ((machineType == kGossamerTypeGossamer) ||
        !           119:                   (machineType == kGossamerTypeSilk))) {
        !           120:     if (!strcmp(service->getName(), "sound")) {
        !           121:       tmpNum = 3;
        !           122:       tmpData = OSData::withBytes(&tmpNum, sizeof(tmpNum));
        !           123:       if (tmpData) {
        !           124:        service->setProperty("#-detects", tmpData);
        !           125:        service->setProperty("#-outputs", tmpData);
        !           126:        tmpData->release();
        !           127:       }
        !           128:       return true;
        !           129:     }
        !           130:   }
        !           131:   
        !           132:   // Set the loop snoop property for Wallstreet or Mainstreet.
        !           133:   if (machineType == kGossamerTypeWallstreet) {
        !           134:     if (IODTMatchNubWithKeys(service, "('grackle', 'MOT,PPC106')")) {
        !           135:       // Add the property for set loop snoop.
        !           136:       service->setProperty("set-loop-snoop", service);
        !           137:       return true;
        !           138:     }
        !           139:   }
        !           140: 
        !           141:   // Publish out the dual display heads on 101.
        !           142:   if (machineType == kGossamerType101) {
        !           143:     if (!strcmp(service->getName(), "ATY,LTProParent")) {
        !           144:       if (kIOReturnSuccess == IONDRVLibrariesInitialize(service)) {
        !           145:         createNubs(this, service->getChildIterator( gIODTPlane ));
        !           146:       }
        !           147:       return true;
        !           148:     }
        !           149:   }
        !           150:   
        !           151:   return true;
        !           152: }

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