/** @file | |
Copyright (c) 2017, Linaro, Ltd. All rights reserved. | |
Copyright (c) 2018, Arm Limited. All rights reserved. | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#include <Base.h> | |
#include <Uefi/UefiBaseType.h> | |
#include <Library/DebugLib.h> | |
#include <Library/LcdPlatformLib.h> | |
/** Platform related initialization function. | |
@param[in] Handle Handle to the LCD device instance. | |
@retval EFI_UNSUPPORTED Interface is not supported. | |
**/ | |
EFI_STATUS | |
LcdPlatformInitializeDisplay ( | |
IN EFI_HANDLE Handle | |
) | |
{ | |
ASSERT (FALSE); | |
return EFI_UNSUPPORTED; | |
} | |
/** Allocate VRAM memory in DRAM for the framebuffer | |
(unless it is reserved already). | |
The allocated address can be used to set the framebuffer. | |
@param[out] VramBaseAddress A pointer to the framebuffer address. | |
@param[out] VramSize A pointer to the size of the frame | |
buffer in bytes | |
@retval EFI_UNSUPPORTED Interface is not supported. | |
**/ | |
EFI_STATUS | |
LcdPlatformGetVram ( | |
OUT EFI_PHYSICAL_ADDRESS *VramBaseAddress, | |
OUT UINTN *VramSize | |
) | |
{ | |
ASSERT (FALSE); | |
return EFI_UNSUPPORTED; | |
} | |
/** Return total number of modes supported. | |
Note: Valid mode numbers are 0 to MaxMode - 1 | |
See Section 12.9 of the UEFI Specification 2.7 | |
@retval UINT32 Zero number of modes supported | |
in a NULL library implementation. | |
**/ | |
UINT32 | |
LcdPlatformGetMaxMode ( | |
VOID | |
) | |
{ | |
ASSERT (FALSE); | |
return 0; | |
} | |
/** Set the requested display mode. | |
@param[in] ModeNumber Mode Number. | |
@retval EFI_UNSUPPORTED Interface is not supported. | |
**/ | |
EFI_STATUS | |
LcdPlatformSetMode ( | |
IN UINT32 ModeNumber | |
) | |
{ | |
ASSERT (FALSE); | |
return EFI_UNSUPPORTED; | |
} | |
/** Return information for the requested mode number. | |
@param[in] ModeNumber Mode Number. | |
@param[out] Info Pointer for returned mode information | |
(on success). | |
@retval EFI_UNSUPPORTED Interface is not supported. | |
**/ | |
EFI_STATUS | |
LcdPlatformQueryMode ( | |
IN UINT32 ModeNumber, | |
OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info | |
) | |
{ | |
ASSERT (FALSE); | |
return EFI_UNSUPPORTED; | |
} | |
/** Return display timing information for the requested mode number. | |
@param[in] ModeNumber Mode Number. | |
@param[out] HRes Pointer to horizontal resolution. | |
@param[out] HSync Pointer to horizontal sync width. | |
@param[out] HBackPorch Pointer to horizontal back porch. | |
@param[out] HFrontPorch Pointer to horizontal front porch. | |
@param[out] VRes Pointer to vertical resolution. | |
@param[out] VSync Pointer to vertical sync width. | |
@param[out] VBackPorch Pointer to vertical back porch. | |
@param[out] VFrontPorch Pointer to vertical front porch. | |
@retval EFI_UNSUPPORTED Interface is not supported. | |
**/ | |
EFI_STATUS | |
LcdPlatformGetTimings ( | |
IN UINT32 ModeNumber, | |
OUT SCAN_TIMINGS **Horizontal, | |
OUT SCAN_TIMINGS **Vertical | |
) | |
{ | |
ASSERT (FALSE); | |
return EFI_UNSUPPORTED; | |
} | |
/** Return bits per pixel information for a mode number. | |
@param[in] ModeNumber Mode Number. | |
@param[out] Bpp Pointer to value bits per pixel information. | |
@retval EFI_UNSUPPORTED Interface is not supported. | |
**/ | |
EFI_STATUS | |
LcdPlatformGetBpp ( | |
IN UINT32 ModeNumber, | |
OUT LCD_BPP *Bpp | |
) | |
{ | |
ASSERT (FALSE); | |
return EFI_UNSUPPORTED; | |
} |