lcd.h

以TI 公司的OMAP5910为例

//////////////////////////////////////////////////////////////////////////
//            Copyright (C) 2004, Eyoka @ Microunit
//                           All Rights Reserved
//________________________________________________________________________
//
// FILENAME:    lcd.h
// PROJECT:     High-Resolution Video System On OMAP
// MODULE:      MPU System
// DESCRIPTION: LCD Controller Interface.
// TARGET CPU:  ARM-925T of OMAP5910
// VERSION:     0.2
//________________________________________________________________________
//
// REVISE HISTORY
// DATE         VERSION AUTHOR  DESCRIPTION
// 2004-11-08   0.2     Eyoka   Checked.
// 2004-11-01   0.1     Eyoka   Created.
//////////////////////////////////////////////////////////////////////////

#ifndef _LCD_H_
#define _LCD_H_

#include "datatypes.h"


/////////////////////////////////////////////////////////////////////
// TYPES
/////////////////////////////////////////////////////////////////////

typedef enum
{
	MONO_2BPP	= 0x00400002,
	MONO_4BPP	= 0x00400002,
	MONO_8BPP	= 0x00010002,
	STN_2BPP	= 0x00400000,
	STN_4BPP	= 0x00400000,
	STN_8BPP	= 0x00010000,
	STN_12BPP	= 0x00000000,
	STN_16BPP	= 0x01000000,
	TFT_2BPP	= 0x00C00080,
	TFT_4BPP	= 0x00C00080,
	TFT_8BPP	= 0x00800080,
	TFT_12BPP	= 0x00800080,
	TFT_16BPP	= 0x00000080
}
LCD_COLOR_MODE_t;

typedef struct tagLCD_PARAM
{
	LCD_COLOR_MODE_t	mode;
	WORD	width;
	WORD	height;
	DWORD	f1_addr;
	DWORD	f2_addr;
	BYTE	HBP;
	BYTE	HFP;
	BYTE	HSW;
	BYTE	IHS;
	BYTE	VBP;
	BYTE	VFP;
	BYTE	VSW;
	BYTE	IVS;
	DWORD	PCD;
}
LCD_PARAM;


/////////////////////////////////////////////////////////////////////
// LCD REGISTERS
/////////////////////////////////////////////////////////////////////

//======================================
// LCD Controller
//======================================
#define LCD_CONTROL		REG32(0xFFFEC000)
#define LCD_TIMING0		REG32(0xFFFEC004)
#define LCD_TIMING1		REG32(0xFFFEC008)
#define LCD_TIMING2		REG32(0xFFFEC00C)
#define LCD_STATUS		REG32(0xFFFEC010)
#define LCD_SUBPANEL	REG32(0xFFFEC014)

//======================================
// LCD DMA Configuration
//======================================
#define DMA_LCD_CTRL			REG16(0xFFFEDB00)
#define DMA_LCD_TOP_F1_L		REG16(0xFFFEDB02)
#define DMA_LCD_TOP_F1_U		REG16(0xFFFEDB04)
#define DMA_LCD_BOT_F1_L		REG16(0xFFFEDB06)
#define DMA_LCD_BOT_F1_U		REG16(0xFFFEDB08)
#define DMA_LCD_TOP_F2_L		REG16(0xFFFEDB0A)
#define DMA_LCD_TOP_F2_U		REG16(0xFFFEDB0C)
#define DMA_LCD_BOT_F2_L		REG16(0xFFFEDB0E)
#define DMA_LCD_BOT_F2_U		REG16(0xFFFEDB10)


/////////////////////////////////////////////////////////////////////
// LCD FUNCTIONS
/////////////////////////////////////////////////////////////////////

//___________________________________________________________________
// Function: LCD_Setup
// Usage: Setup LCD Interface.
// Parameters:
//	pConfig			pointer to LCD settings.
// Return Values:	N/A
//___________________________________________________________________
// support TFT_16BPP, single frame buffer only.
void LCD_Setup(LCD_PARAM *pConfig);

//___________________________________________________________________
// Function: LCD_Enable
// Usage: Enable the LCD Controller.
// Parameters:		N/A
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_Enable(BOOL bEnable);

//___________________________________________________________________
// Function: LCD_SetHBP
// Usage: Set Horizontal Back Porsh.
// Parameters:
//	hbp				Horizontal Back Porsh.
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_SetHBP(int hbp);

//___________________________________________________________________
// Function: LCD_SetHFP
// Usage: Set Horizontal Front Porsh.
// Parameters:
//	hfp				Horizontal Front Porsh.
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_SetHFP(int hfp);

//___________________________________________________________________
// Function: LCD_SetHSW
// Usage: Set Horizontal SynchroPulse Width.
// Parameters:
//	hsw				Horizontal SynchroPulse Width, 1<=hsw<=64
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_SetHSW(int hsw);

//___________________________________________________________________
// Function: LCD_SetWidth
// Usage: Set Pixel Per Line (LCD screen width).
// Parameters:
//	width			16<=width<=1024, must be multiple of 16
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_SetWidth(int width);

//___________________________________________________________________
// Function: LCD_SetVBP
// Usage: Set Vertical Back Porsh.
// Parameters:
//	vbp				Vertical Back Porsh.
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_SetVBP(int vbp);

//___________________________________________________________________
// Function: LCD_SetVFP
// Usage: Set Vertical Front Porsh.
// Parameters:
//	vfp				Vertical Front Porsh.
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_SetVFP(int vfp);

//___________________________________________________________________
// Function: LCD_SetVSW
// Usage: Set Vertical SynchroPulse Width.
// Parameters:
//	vsw				Vertical SynchroPulse Width, 1<=vsw<=64
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_SetVSW(int vsw);

//___________________________________________________________________
// Function: LCD_SetHeight
// Usage: Set Line Per Panel (LCD screen height).
// Parameters:
//	height			16<=height<=1024, must be multiple of 16
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_SetHeight(int height);

//___________________________________________________________________
// Function: LCD_InvertAC
// Usage: Invert output enable
// Parameters:
//	bInvert			TRUE: LCD.AC pin is active low.
//					FALSE: LCD.AC pin is active high.
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_InvertAC(BOOL bInvert);

//___________________________________________________________________
// Function: LCD_InvertPCLK
// Usage: Invert pixel clock
// Parameters:
//	bInvert			TRUE: driven on the falling edge of LCD.PCLK.
//					FALSE: driven on the rising edge of LCD.PCLK.
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_InvertPCLK(BOOL bInvert);

//___________________________________________________________________
// Function: LCD_InvertHS
// Usage: Invert HSYNC
// Parameters:
//	bInvert			TRUE: LCD.HS pin is active low.
//					FALSE: LCD.HS pin is active high.
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_InvertHS(BOOL bInvert);

//___________________________________________________________________
// Function: LCD_InvertVS
// Usage: Invert VSYNC
// Parameters:
//	bInvert			TRUE: LCD.VS pin is active low.
//					FALSE: LCD.VS pin is active high.
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_InvertVS(BOOL bInvert);

//___________________________________________________________________
// Function: LCD_SetPCD
// Usage: Set LCD pixel clock divider
// Parameters:
//	divider			2<=divider<=255
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_SetPCD(int divider);

//___________________________________________________________________
// Function: LCD_SetColorMode
// Usage: Set LCD color mode.
// Parameters:
//	mode			color mode, see LCD_COLOR_MODE_t.
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_SetColorMode(LCD_COLOR_MODE_t mode);

//___________________________________________________________________
// Function: LCD_SetF1
// Usage: Set address of frame buffer 1.
// Parameters:
//	top_addr		top address.
//	bot_addr		bottom address.
// Return Values:	N/A
//___________________________________________________________________
//
void LCD_SetF1(DWORD top_addr, DWORD bot_addr);



#endif // ifndef _LCD_H_