projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| d1f95000 | 1 | /** @file\r |
| 2 | EDID Override Protocol from the UEFI 2.0 specification.\r | |
| 3 | \r | |
| 4 | Allow platform to provide EDID information to producer of the Graphics Output\r | |
| 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 | |
| bc88c688 | 21 | #include <PiDxe.h>\r |
| 22 | \r | |
| d1f95000 | 23 | #define EFI_EDID_OVERRIDE_PROTOCOL_GUID \\r |
| 24 | { \\r | |
| 25 | 0x48ecb431, 0xfb72, 0x45c0, {0xa9, 0x22, 0xf4, 0x58, 0xfe, 0x4, 0xb, 0xd5 } \\r | |
| 26 | }\r | |
| 27 | \r | |
| 28 | typedef struct _EFI_EDID_OVERRIDE_PROTOCOL EFI_EDID_OVERRIDE_PROTOCOL;\r | |
| 29 | \r | |
| 30 | #define EFI_EDID_OVERRIDE_DONT_OVERRIDE 0x01\r | |
| 31 | #define EFI_EDID_OVERRIDE_ENABLE_HOT_PLUG 0x02\r | |
| 32 | \r | |
| 33 | /**\r | |
| 34 | Return the current video mode information.\r | |
| 35 | \r | |
| 36 | @param This Protocol instance pointer.\r | |
| 37 | @param ChildHandle A child handle produced by the Graphics Output EFI\r | |
| 38 | driver that represents a video output device.\r | |
| 39 | @param Attributes The attributes associated with ChildHandle video output device.\r | |
| 40 | @param EdidSize A pointer to the size, in bytes, of the Edid buffer.\r | |
| 41 | @param Edid A pointer to callee allocated buffer that contains the EDID that\r | |
| 42 | should be used for ChildHandle. A value of NULL\r | |
| 43 | represents no EDID override for ChildHandle.\r | |
| 44 | \r | |
| 45 | @retval EFI_SUCCESS Valid overrides returned for ChildHandle.\r | |
| 46 | @retval EFI_UNSUPPORTED ChildHandle has no overrides.\r | |
| 47 | \r | |
| 48 | **/\r | |
| 49 | typedef\r | |
| 50 | EFI_STATUS\r | |
| 8b13229b | 51 | (EFIAPI *EFI_EDID_OVERRIDE_PROTOCOL_GET_EDID)(\r |
| d1f95000 | 52 | IN EFI_EDID_OVERRIDE_PROTOCOL *This,\r |
| 53 | IN EFI_HANDLE *ChildHandle,\r | |
| 54 | OUT UINT32 *Attributes,\r | |
| 55 | IN OUT UINTN *EdidSize,\r | |
| 56 | IN OUT UINT8 **Edid\r | |
| 57 | )\r | |
| 58 | ;\r | |
| 59 | \r | |
| 4ca9b6c4 LG |
60 | /**\r |
| 61 | @par Protocol Description:\r | |
| 62 | This protocol is produced by the platform to allow the platform to provide \r | |
| 63 | EDID information to the producer of the Graphics Output protocol.\r | |
| 64 | \r | |
| 65 | @param GetEdid \r | |
| 66 | Returns EDID values and attributes that the Video BIOS must use. \r | |
| 67 | \r | |
| 68 | **/\r | |
| d1f95000 | 69 | struct _EFI_EDID_OVERRIDE_PROTOCOL {\r |
| 70 | EFI_EDID_OVERRIDE_PROTOCOL_GET_EDID GetEdid;\r | |
| 71 | };\r | |
| 72 | \r | |
| 73 | extern EFI_GUID gEfiEdidOverrideProtocolGuid;\r | |
| 74 | \r | |
| 75 | #endif\r |