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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) 1997 Apple Computer, Inc.
24: *
25: *
26: * HISTORY
27: *
28: */
29:
30:
31: #ifndef _IOKIT_IOFRAMEBUFFERUSERCLIENT_H
32: #define _IOKIT_IOFRAMEBUFFERUSERCLIENT_H
33:
34: #include <IOKit/IOUserClient.h>
35: #include <IOKit/graphics/IOFramebuffer.h>
36: #include <IOKit/pci/IOAGPDevice.h>
37:
38: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
39:
40: class IOFramebufferUserClient : public IOUserClient
41: {
42: OSDeclareDefaultStructors(IOFramebufferUserClient)
43:
44: private:
45:
46: IOFramebuffer * owner;
47:
48: IOExternalMethod externals[ 17 ];
49:
50: mach_port_t WSnotificationPort; // how we tell window server of power changes
51: void * notificationMsg; // Msg to be sent to Window Server.
52:
53: unsigned long current_power_state; // current power state of frame buffer
54:
55:
56: public:
57: // IOUserClient methods
58: virtual IOReturn clientClose( void );
59:
60: virtual IOService * getService( void );
61:
62: virtual IOReturn clientMemoryForType( UInt32 type,
63: IOOptionBits * options, IOMemoryDescriptor ** memory );
64:
65: virtual IOExternalMethod * getExternalMethodForIndex( UInt32 index );
66:
67: virtual IOReturn registerNotificationPort( mach_port_t, UInt32, UInt32 );
68: virtual IOReturn getNotificationSemaphore( UInt32 interruptType,
69: semaphore_t * semaphore );
70:
71: // others
72:
73: static IOFramebufferUserClient * withTask( task_t owningTask );
74:
75: virtual bool start( IOService * provider );
76:
77: virtual IOReturn acknowledgeNotification(void);
78:
79: virtual IOReturn powerStateWillChangeTo(IOPMPowerFlags, unsigned long, IOService* );
80:
81: virtual IOReturn powerStateDidChangeTo(IOPMPowerFlags, unsigned long, IOService* );
82:
83: };
84:
85: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
86:
87: class IOGraphicsEngineClient : public IOUserClient
88: {
89: OSDeclareDefaultStructors(IOGraphicsEngineClient)
90:
91: private:
92:
93: IOFramebuffer * owner;
94: task_t owningTask;
95: IOAGPDevice * agpDev;
96: bool haveAGP;
97: OSArray * descriptors;
98:
99: IOExternalMethod externals[ 4 ];
100:
101: public:
102: // IOUserClient methods
103: virtual IOReturn clientClose( void );
104: virtual void free();
105:
106: virtual IOService * getService( void );
107:
108: virtual IOReturn clientMemoryForType( UInt32 type,
109: IOOptionBits * options, IOMemoryDescriptor ** memory );
110:
111: virtual IOExternalMethod * getExternalMethodForIndex( UInt32 index );
112:
113: // others
114:
115: static IOGraphicsEngineClient * withTask( task_t owningTask );
116: virtual bool start( IOService * provider );
117:
118: virtual IOReturn addUserRange( vm_address_t start, vm_size_t length,
119: UInt32 aperture, IOPhysicalAddress * phys );
120:
121: virtual IOReturn createAGPSpace( IOOptionBits options,
122: IOPhysicalLength length,
123: IOPhysicalAddress * address,
124: IOPhysicalLength * lengthOut );
125:
126: virtual IOReturn commitAGPMemory( vm_address_t start,
127: vm_size_t length, IOOptionBits options,
128: void ** ref, IOByteCount * offset );
129:
130: virtual IOReturn releaseAGPMemory( void * ref );
131:
132: };
133:
134: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
135:
136: class IOFramebufferSharedUserClient : public IOUserClient
137: {
138: OSDeclareDefaultStructors(IOFramebufferSharedUserClient)
139:
140: private:
141:
142: IOFramebuffer * owner;
143:
144: IOExternalMethod externals[ 0 ];
145:
146: public:
147: virtual void free();
148: virtual void release() const;
149:
150: // IOUserClient methods
151: virtual IOReturn clientClose( void );
152:
153: virtual IOService * getService( void );
154:
155: virtual IOReturn clientMemoryForType( UInt32 type,
156: IOOptionBits * options, IOMemoryDescriptor ** memory );
157:
158: virtual IOReturn getNotificationSemaphore( UInt32 notification_type,
159: semaphore_t * semaphore );
160:
161: virtual IOExternalMethod * getExternalMethodForIndex( UInt32 index );
162:
163: // others
164: static IOFramebufferSharedUserClient * withTask( task_t owningTask );
165: virtual bool start( IOService * provider );
166:
167: };
168:
169:
170: #endif /* ! _IOKIT_IOFRAMEBUFFERUSERCLIENT_H */
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