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/** @file
Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __OMAP3_DSS_GRAPHICS__
#define __OMAP3_DSS_GRAPHICS__
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/IoLib.h>
#include <Protocol/DevicePathToText.h>
#include <Protocol/EmbeddedExternalDevice.h>
#include <Protocol/Cpu.h>
#include <Guid/GlobalVariable.h>
#include <Omap3530/Omap3530.h>
#include <TPS65950.h>
typedef struct {
VENDOR_DEVICE_PATH Guid;
EFI_DEVICE_PATH_PROTOCOL End;
} LCD_GRAPHICS_DEVICE_PATH;
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
EFI_GRAPHICS_OUTPUT_MODE_INFORMATION ModeInfo;
EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE Mode;
EFI_GRAPHICS_OUTPUT_PROTOCOL Gop;
LCD_GRAPHICS_DEVICE_PATH DevicePath;
// EFI_EVENT ExitBootServicesEvent;
} LCD_INSTANCE;
#define LCD_INSTANCE_SIGNATURE SIGNATURE_32('l', 'c', 'd', '0')
#define LCD_INSTANCE_FROM_GOP_THIS(a) CR (a, LCD_INSTANCE, Gop, LCD_INSTANCE_SIGNATURE)
typedef struct {
UINTN Mode;
UINTN HorizontalResolution;
UINTN VerticalResolution;
UINT32 DssDivisor;
UINT32 DispcDivisor;
UINT32 HSync;
UINT32 HFrontPorch;
UINT32 HBackPorch;
UINT32 VSync;
UINT32 VFrontPorch;
UINT32 VBackPorch;
} LCD_MODE;
EFI_STATUS
InitializeDisplay (
IN LCD_INSTANCE* Instance
);
EFI_STATUS
EFIAPI
LcdGraphicsQueryMode (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN UINT32 ModeNumber,
OUT UINTN *SizeOfInfo,
OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
);
EFI_STATUS
EFIAPI
LcdGraphicsSetMode (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN UINT32 ModeNumber
);
EFI_STATUS
EFIAPI
LcdGraphicsBlt (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
IN UINTN SourceX,
IN UINTN SourceY,
IN UINTN DestinationX,
IN UINTN DestinationY,
IN UINTN Width,
IN UINTN Height,
IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer
);
// HW registers
#define CM_FCLKEN_DSS 0x48004E00
#define CM_ICLKEN_DSS 0x48004E10
#define DSS_CONTROL 0x48050040
#define DSS_SYSCONFIG 0x48050010
#define DSS_SYSSTATUS 0x48050014
#define DISPC_CONTROL 0x48050440
#define DISPC_CONFIG 0x48050444
#define DISPC_SIZE_LCD 0x4805047C
#define DISPC_TIMING_H 0x48050464
#define DISPC_TIMING_V 0x48050468
#define CM_CLKSEL_DSS 0x48004E40
#define DISPC_DIVISOR 0x48050470
#define DISPC_POL_FREQ 0x4805046C
#define DISPC_GFX_TABLE_BA 0x480504B8
#define DISPC_GFX_BA0 0x48050480
#define DISPC_GFX_BA1 0x48050484
#define DISPC_GFX_POS 0x48050488
#define DISPC_GFX_SIZE 0x4805048C
#define DISPC_GFX_ATTR 0x480504A0
#define DISPC_GFX_PRELD 0x4805062C
#define DISPC_DEFAULT_COLOR_0 0x4805044C
//#define DISPC_IRQSTATUS
// Bits
#define EN_TV 0x4
#define EN_DSS2 0x2
#define EN_DSS1 0x1
#define EN_DSS 0x1
#define DSS_SOFTRESET 0x2
#define DSS_RESETDONE 0x1
#define BYPASS_MODE (BIT15 | BIT16)
#define LCDENABLE BIT0
#define ACTIVEMATRIX BIT3
#define GOLCD BIT5
#define DATALINES24 (BIT8 | BIT9)
#define LCDENABLESIGNAL BIT28
#define GFXENABLE BIT0
#define RGB16 (0x6 << 1)
#define BURSTSIZE16 (0x2 << 6)
#define CLEARLOADMODE ~(BIT2 | BIT1)
#define LOAD_FRAME_ONLY BIT2
#endif
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