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1 | /** @file LcdHwLib.h\r | |
2 | \r | |
3 | This file contains interface functions for LcdHwLib of ArmPlatformPkg\r | |
4 | \r | |
5 | Copyright (c) 2017, ARM Ltd. All rights reserved.<BR>\r | |
6 | \r | |
7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
8 | \r | |
9 | **/\r | |
10 | \r | |
11 | #ifndef LCD_HW_LIB_H_\r | |
12 | #define LCD_HW_LIB_H_\r | |
13 | \r | |
14 | #include <Uefi/UefiBaseType.h>\r | |
15 | \r | |
16 | /**\r | |
17 | Check for presence of display\r | |
18 | \r | |
19 | @retval EFI_SUCCESS Platform implements display.\r | |
20 | @retval EFI_NOT_FOUND Display not found on the platform.\r | |
21 | \r | |
22 | **/\r | |
23 | EFI_STATUS\r | |
24 | LcdIdentify (\r | |
25 | VOID\r | |
26 | );\r | |
27 | \r | |
28 | /**\r | |
29 | Initialize display.\r | |
30 | \r | |
31 | @param FrameBaseAddress Address of the frame buffer.\r | |
32 | @retval EFI_SUCCESS Display initialization success.\r | |
33 | @retval !(EFI_SUCCESS) Display initialization failure.\r | |
34 | \r | |
35 | **/\r | |
36 | EFI_STATUS\r | |
37 | LcdInitialize (\r | |
38 | EFI_PHYSICAL_ADDRESS FrameBaseAddress\r | |
39 | );\r | |
40 | \r | |
41 | /**\r | |
42 | Set requested mode of the display.\r | |
43 | \r | |
44 | @param ModeNumber Display mode number.\r | |
45 | @retval EFI_SUCCESS Display set mode success.\r | |
46 | @retval EFI_DEVICE_ERROR If mode not found/supported.\r | |
47 | \r | |
48 | **/\r | |
49 | EFI_STATUS\r | |
50 | LcdSetMode (\r | |
51 | IN UINT32 ModeNumber\r | |
52 | );\r | |
53 | \r | |
54 | /**\r | |
55 | De-initializes the display.\r | |
56 | **/\r | |
57 | VOID\r | |
58 | LcdShutdown (\r | |
59 | VOID\r | |
60 | );\r | |
61 | \r | |
62 | #endif /* LCD_HW_LIB_H_ */\r |