1/*
2 * Copyright (c) 2009 Apple Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23/*
24     File:       DVComponentGlue/DeviceControl.h
25
26     Contains:   Component API for doing AVC transactions.
27
28     Copyright:  � 1997-2006 by Apple Computer, Inc., all rights reserved.
29
30*/
31#ifndef __DEVICECONTROL__
32#define __DEVICECONTROL__
33
34#ifndef __CORESERVICES__
35#include <CoreServices/CoreServices.h>
36#endif
37
38
39
40#if PRAGMA_ONCE
41#pragma once
42#endif
43
44#ifdef __cplusplus
45extern "C" {
46#endif
47
48#if PRAGMA_STRUCT_ALIGN
49    #pragma options align=mac68k
50#elif PRAGMA_STRUCT_PACKPUSH
51    #pragma pack(push, 2)
52#elif PRAGMA_STRUCT_PACK
53    #pragma pack(2)
54#endif
55
56typedef CALLBACK_API_C( UInt32 , DCResponseHandler )(UInt32 fwCommandObjectID, Ptr responseBuffer, UInt32 responseLength);
57struct DVCTransactionParams {
58  Ptr                 commandBufferPtr;
59  UInt32              commandLength;
60  Ptr                 responseBufferPtr;
61  UInt32              responseBufferSize;
62  DCResponseHandler * responseHandler;
63};
64typedef struct DVCTransactionParams     DVCTransactionParams;
65/*
66 *  DeviceControlDoAVCTransaction()
67 *
68 *  Availability:
69 *    Mac OS X:         in version 10.0 and later in DVComponentGlue.framework
70 *    CarbonLib:        not available
71 *    Non-Carbon CFM:   in IDHLib 1.0 and later
72 */
73extern ComponentResult
74DeviceControlDoAVCTransaction(
75  ComponentInstance       instance,
76  DVCTransactionParams *  params);
77
78
79
80
81/* selectors for component calls */
82enum {
83    kDeviceControlDoAVCTransactionSelect       = 0x0001
84};
85
86#if PRAGMA_STRUCT_ALIGN
87    #pragma options align=reset
88#elif PRAGMA_STRUCT_PACKPUSH
89    #pragma pack(pop)
90#elif PRAGMA_STRUCT_PACK
91    #pragma pack()
92#endif
93
94#ifdef __cplusplus
95}
96#endif
97
98#endif /* __DEVICECONTROL__ */
99
100