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- /** @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;
- }
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