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d1f95000 | 1 | /** @file\r |
2 | EDID Override Protocol from the UEFI 2.0 specification.\r | |
3 | \r | |
630b4187 | 4 | Allow platform to provide EDID information to the producer of the Graphics Output\r |
d1f95000 | 5 | protocol.\r |
6 | \r | |
4ca9b6c4 | 7 | Copyright (c) 2006 - 2008, Intel Corporation \r |
d1f95000 | 8 | All rights reserved. This program and the accompanying materials \r |
9 | are licensed and made available under the terms and conditions of the BSD License \r | |
10 | which accompanies this distribution. The full text of the license may be found at \r | |
11 | http://opensource.org/licenses/bsd-license.php \r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
15 | \r | |
d1f95000 | 16 | **/\r |
17 | \r | |
18 | #ifndef __EDID_OVERRIDE_H__\r | |
19 | #define __EDID_OVERRIDE_H__\r | |
20 | \r | |
21 | #define EFI_EDID_OVERRIDE_PROTOCOL_GUID \\r | |
22 | { \\r | |
23 | 0x48ecb431, 0xfb72, 0x45c0, {0xa9, 0x22, 0xf4, 0x58, 0xfe, 0x4, 0xb, 0xd5 } \\r | |
24 | }\r | |
25 | \r | |
26 | typedef struct _EFI_EDID_OVERRIDE_PROTOCOL EFI_EDID_OVERRIDE_PROTOCOL;\r | |
27 | \r | |
28 | #define EFI_EDID_OVERRIDE_DONT_OVERRIDE 0x01\r | |
29 | #define EFI_EDID_OVERRIDE_ENABLE_HOT_PLUG 0x02\r | |
30 | \r | |
31 | /**\r | |
74fec708 | 32 | Returns policy information and potentially a replacement EDID for the specified video output device.\r |
d1f95000 | 33 | \r |
74fec708 | 34 | @param This The EFI_EDID_OVERRIDE_PROTOCOL instance.\r |
d1f95000 | 35 | @param ChildHandle A child handle produced by the Graphics Output EFI\r |
36 | driver that represents a video output device.\r | |
37 | @param Attributes The attributes associated with ChildHandle video output device.\r | |
38 | @param EdidSize A pointer to the size, in bytes, of the Edid buffer.\r | |
39 | @param Edid A pointer to callee allocated buffer that contains the EDID that\r | |
40 | should be used for ChildHandle. A value of NULL\r | |
41 | represents no EDID override for ChildHandle.\r | |
42 | \r | |
43 | @retval EFI_SUCCESS Valid overrides returned for ChildHandle.\r | |
44 | @retval EFI_UNSUPPORTED ChildHandle has no overrides.\r | |
45 | \r | |
46 | **/\r | |
47 | typedef\r | |
48 | EFI_STATUS\r | |
8b13229b | 49 | (EFIAPI *EFI_EDID_OVERRIDE_PROTOCOL_GET_EDID)(\r |
d1f95000 | 50 | IN EFI_EDID_OVERRIDE_PROTOCOL *This,\r |
51 | IN EFI_HANDLE *ChildHandle,\r | |
52 | OUT UINT32 *Attributes,\r | |
53 | IN OUT UINTN *EdidSize,\r | |
54 | IN OUT UINT8 **Edid\r | |
ed66e1bc | 55 | );\r |
d1f95000 | 56 | \r |
44717a39 | 57 | ///\r |
58 | /// This protocol is produced by the platform to allow the platform to provide \r | |
59 | /// EDID information to the producer of the Graphics Output protocol.\r | |
60 | ///\r | |
d1f95000 | 61 | struct _EFI_EDID_OVERRIDE_PROTOCOL {\r |
62 | EFI_EDID_OVERRIDE_PROTOCOL_GET_EDID GetEdid;\r | |
63 | };\r | |
64 | \r | |
65 | extern EFI_GUID gEfiEdidOverrideProtocolGuid;\r | |
66 | \r | |
67 | #endif\r |