- Update to r53061
[reactos.git] / drivers / video / videoprt / services.c
1 /*
2 * VideoPort driver
3 *
4 * Copyright (C) 2002, 2003, 2004 ReactOS Team
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 *
20 */
21
22 #include "videoprt.h"
23
24 VOID NTAPI
25 IntInterfaceReference(PVOID Context)
26 {
27 /* Do nothing */
28 }
29
30 VOID NTAPI
31 IntInterfaceDereference(PVOID Context)
32 {
33 /* Do nothing */
34 }
35
36 VP_STATUS NTAPI
37 VideoPortQueryServices(
38 IN PVOID HwDeviceExtension,
39 IN VIDEO_PORT_SERVICES ServicesType,
40 IN OUT PINTERFACE Interface)
41 {
42 TRACE_(VIDEOPRT, "VideoPortQueryServices - ServicesType: 0x%x\n", ServicesType);
43
44 switch (ServicesType)
45 {
46 #if defined(_M_IX86)
47 case VideoPortServicesInt10:
48 if (Interface->Version >= VIDEO_PORT_INT10_INTERFACE_VERSION_1 ||
49 Interface->Size >= sizeof(VIDEO_PORT_INT10_INTERFACE))
50 {
51 VIDEO_PORT_INT10_INTERFACE *Int10Interface =
52 (VIDEO_PORT_INT10_INTERFACE *)Interface;
53
54 Interface->InterfaceReference = IntInterfaceReference;
55 Interface->InterfaceDereference = IntInterfaceDereference;
56 Int10Interface->Int10AllocateBuffer = IntInt10AllocateBuffer;
57 Int10Interface->Int10FreeBuffer = IntInt10FreeBuffer;
58 Int10Interface->Int10ReadMemory = IntInt10ReadMemory;
59 Int10Interface->Int10WriteMemory = IntInt10WriteMemory;
60 Int10Interface->Int10CallBios = IntInt10CallBios;
61 return NO_ERROR;
62 }
63 break;
64 #endif
65 case VideoPortServicesAGP:
66 if ((Interface->Version == VIDEO_PORT_AGP_INTERFACE_VERSION_2 &&
67 Interface->Size >= sizeof(VIDEO_PORT_AGP_INTERFACE_2)) ||
68 (Interface->Version == VIDEO_PORT_AGP_INTERFACE_VERSION_1 &&
69 Interface->Size >= sizeof(VIDEO_PORT_AGP_INTERFACE)))
70 {
71 if (NT_SUCCESS(IntAgpGetInterface(HwDeviceExtension, Interface)))
72 {
73 return NO_ERROR;
74 }
75 }
76 break;
77
78 case VideoPortServicesI2C:
79 UNIMPLEMENTED;
80 return ERROR_INVALID_FUNCTION;
81
82 case VideoPortServicesHeadless:
83 UNIMPLEMENTED;
84 return ERROR_INVALID_FUNCTION;
85
86 default:
87 break;
88 }
89
90 return ERROR_INVALID_FUNCTION;
91 }
92
93 BOOLEAN NTAPI
94 VideoPortGetAgpServices(
95 IN PVOID HwDeviceExtension,
96 OUT PVIDEO_PORT_AGP_SERVICES AgpServices)
97 {
98 VIDEO_PORT_AGP_INTERFACE Interface;
99 VP_STATUS Status;
100
101 TRACE_(VIDEOPRT, "VideoPortGetAgpServices\n");
102
103 Interface.Size = sizeof(Interface);
104 Interface.Version = VIDEO_PORT_AGP_INTERFACE_VERSION_1;
105
106 Status = VideoPortQueryServices(HwDeviceExtension, VideoPortServicesAGP,
107 (PINTERFACE)&Interface);
108 if (Status != NO_ERROR)
109 {
110 WARN_(VIDEOPRT, "VideoPortQueryServices() failed!\n");
111 return FALSE;
112 }
113
114 RtlCopyMemory(AgpServices, &Interface.AgpReservePhysical, sizeof(AgpServices));
115 return TRUE;
116 }