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/** @file
Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#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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