diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/ArmPlatformPkg/Library/LcdPlatformNullLib/LcdPlatformNullLib.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/ArmPlatformPkg/Library/LcdPlatformNullLib/LcdPlatformNullLib.c')
| -rw-r--r-- | roms/edk2/ArmPlatformPkg/Library/LcdPlatformNullLib/LcdPlatformNullLib.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/roms/edk2/ArmPlatformPkg/Library/LcdPlatformNullLib/LcdPlatformNullLib.c b/roms/edk2/ArmPlatformPkg/Library/LcdPlatformNullLib/LcdPlatformNullLib.c new file mode 100644 index 000000000..dca3cf706 --- /dev/null +++ b/roms/edk2/ArmPlatformPkg/Library/LcdPlatformNullLib/LcdPlatformNullLib.c @@ -0,0 +1,145 @@ +/** @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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