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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_IOPLATFORMEXPERT_H
31: #define _IOKIT_IOPLATFORMEXPERT_H
32:
33: #ifdef __cplusplus
34: extern "C" {
35: #endif
36:
37: #include <pexpert/pexpert.h>
38:
39: extern boolean_t PEGetMachineName( char * name, int maxLength );
40: extern boolean_t PEGetModelName( char * name, int maxLength );
41: extern int PEGetPlatformEpoch( void );
42:
43: enum {
44: kPEHaltCPU,
45: kPERestartCPU
46: };
47: extern int (*PE_halt_restart)(unsigned int type);
48: extern int PEHaltRestart(unsigned int type);
49:
50: extern long PEGetGMTTimeOfDay( void );
51: extern void PESetGMTTimeOfDay( long secs );
52:
53: #ifdef __cplusplus
54: } /* extern "C" */
55:
56: #include <IOKit/IOTypes.h>
57: #include <IOKit/IOService.h>
58: #include <IOKit/IOInterrupts.h>
59: #include <IOKit/IOInterruptController.h>
60:
61: extern OSSymbol * gPlatformInterruptControllerName;
62:
63: class IORangeAllocator;
64: class IONVRAMController;
65: class IOPMrootDomain;
66:
67: class IOPlatformExpert : public IOService
68: {
69: OSDeclareDefaultStructors(IOPlatformExpert);
70:
71: private:
72: int _peEpoch;
73: int _peFamily;
74:
75: protected:
76: IOPMrootDomain * root;
77:
78: virtual void setEpoch(int peEpoch);
79: virtual void setFamily(int peFamily);
80:
81: private:
82: virtual void PMInstantiatePowerDomains ( void );
83:
84: public:
85: virtual bool attach( IOService * provider );
86: virtual bool start( IOService * provider );
87: virtual bool configure( IOService * provider );
88: virtual IOService * createNub( OSDictionary * from );
89:
90: virtual bool compareNubName( const IOService * nub, OSString * name,
91: OSString ** matched = 0 ) const;
92: virtual IOReturn getNubResources( IOService * nub );
93:
94: virtual int getEpoch(void);
95: virtual int getFamily(void);
96:
97: virtual bool getModelName( char * name, int maxLength );
98: virtual bool getMachineName( char * name, int maxLength );
99:
100: virtual int haltRestart(unsigned int type);
101:
102: virtual long getGMTTimeOfDay( void );
103: virtual void setGMTTimeOfDay( long secs );
104:
105: virtual IOReturn getConsoleInfo( PE_Video * consoleInfo );
106: virtual IOReturn setConsoleInfo( PE_Video * consoleInfo, unsigned int op );
107:
108: virtual void getDefaultBusSpeeds(int *numSpeeds,
109: unsigned long **speedList);
110:
111: virtual void registerNVRAMController( IONVRAMController * nvram );
112:
113: virtual IOReturn registerInterruptController(OSSymbol *name, IOInterruptController *interruptController);
114: virtual IOInterruptController *lookUpInterruptController(OSSymbol *name);
115: virtual void setCPUInterruptProperties(IOService *service);
116: virtual bool atInterruptLevel(void);
117:
118: virtual IORangeAllocator * getPhysicalRangeAllocator(void);
119:
120: virtual bool platformAdjustService(IOService *service);
121:
122: virtual void PMRegisterDevice(IOService * theNub, IOService * theDevice);
123: virtual void PMLog ( const char *,unsigned long, unsigned long, unsigned long );
124: };
125:
126: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
127:
128: class IODTPlatformExpert : public IOPlatformExpert
129: {
130: OSDeclareAbstractStructors(IODTPlatformExpert)
131:
132: UInt8 * nvramBuffer;
133:
134: protected:
135: virtual bool searchNVRAMProperty( struct IONVRAMDescriptor * hdr,
136: UInt32 * where );
137:
138: virtual IOReturn getNVRAMPartitionOffset(
139: IOItemCount partition, UInt32 * offset ) = 0;
140:
141: virtual IOReturn readNVRAMPropertyType0(
142: IORegistryEntry * entry,
143: const OSSymbol ** name, OSData ** value );
144:
145: virtual IOReturn writeNVRAMPropertyType0(
146: IORegistryEntry * entry,
147: const OSSymbol * name, OSData * value );
148:
149: virtual OSData * unescapeValueToBinary( UInt8 * value );
150:
151: virtual OSData * getType1NVRAM( void );
152:
153: virtual IOReturn readNVRAMPropertyType1(
154: IORegistryEntry * entry,
155: const OSSymbol ** name, OSData ** value );
156:
157: virtual IOReturn writeNVRAMPropertyType1(
158: IORegistryEntry * entry,
159: const OSSymbol * name, OSData * value );
160:
161: public:
162: virtual IOService * probe( IOService * provider,
163: SInt32 * score );
164: virtual bool configure( IOService * provider );
165:
166: virtual void processTopLevel( IORegistryEntry * root );
167: virtual const char * deleteList( void ) = 0;
168: virtual const char * excludeList( void ) = 0;
169: virtual IOService * createNub( IORegistryEntry * from );
170: virtual bool createNubs( IOService * parent, OSIterator * iter );
171:
172: virtual bool compareNubName( const IOService * nub, OSString * name,
173: OSString ** matched = 0 ) const;
174:
175: virtual IOReturn getNubResources( IOService * nub );
176:
177: virtual bool getModelName( char * name, int maxLength );
178: virtual bool getMachineName( char * name, int maxLength );
179:
180: virtual void registerNVRAMController( IONVRAMController * nvram );
181:
182: virtual IOReturn readNVRAMProperty(
183: IORegistryEntry * entry,
184: const OSSymbol ** name, OSData ** value );
185:
186: virtual IOReturn writeNVRAMProperty(
187: IORegistryEntry * entry,
188: const OSSymbol * name, OSData * value );
189: };
190:
191: enum {
192: kIOOpenFirmwareNVRAMPartition = 0,
193: kIOXPRAMNVRAMPartition = 1,
194: kIONameRegistryNVRAMPartition = 2,
195: kIOMaxNVRAMPartitions = 3
196: };
197:
198: enum {
199: kIOOpenFirmwareNVRAMPartitionSize = 0x0000,
200: kIOXPRAMNVRAMPartitionSize = 0x0100,
201: kIONameRegistryNVRAMPartitionSize = 0x0400,
202: };
203:
204: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
205:
206: /* generic root nub of service tree */
207:
208: class IOPlatformExpertDevice : public IOService
209: {
210: OSDeclareDefaultStructors(IOPlatformExpertDevice)
211:
212: public:
213: virtual bool initWithArgs( void * p1, void * p2,
214: void * p3, void *p4 );
215: virtual bool compareName( OSString * name, OSString ** matched = 0 ) const;
216:
217: virtual IOWorkLoop *getWorkLoop() const;
218:
219: virtual void free();
220:
221: private:
222: IOWorkLoop *workLoop;
223: };
224:
225: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
226:
227: /* generic nub for motherboard devices */
228:
229: class IOPlatformDevice : public IOService
230: {
231: OSDeclareDefaultStructors(IOPlatformDevice)
232:
233: public:
234: virtual bool compareName( OSString * name, OSString ** matched = 0 ) const;
235: virtual IOService * matchLocation( IOService * client );
236: virtual IOReturn getResources( void );
237: };
238:
239: #endif /* __cplusplus */
240:
241: #endif /* ! _IOKIT_IOPLATFORMEXPERT_H */
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