at91_lcd.h

在arm上实现的lcd136驱动

#ifndef _AT91_LCD_H_
#define _AT91_LCD_H_

#include <asm/hardware.h>

/* lcd control PIOs */
/*
#define LCD_BACK_LIGHT	(1 << 11)
#define LCD_CS_OUT		(1 << 12)
#define LCD_RS_OUT		(1 << 13)
*/
#define LCD_BACK_LIGHT	(1 << 11)
#define LCD_CS_OUT		(1 << 12)
#define LCD_RS_OUT		(1 << 14)
#define LCD_RW_OUT		(1 << 15)


/* lcd access physical address map (~cs3) */
#define LCD_ACCESS_ADDR	(0x40000000)
 
/* lcd io access timer constants */
#define LCD_RWH		(2 << 28)
#define LCD_RWS		(2 << 24)
#define LCD_DBW 	(2 << 13)
#define LCD_TDF		(1 << 8)
#define LCD_WSEN	(1 << 7)
//#define LCD_NWS		(20)
#define LCD_NWS		(100)

/* lcd control commands */
#define LCD_PWR_CTR		0x28
#define LCD_SET_DUTY  	0x48
#define LCD_ADC_SEL   	0xa0
#define LCD_SHL_SEL    	0xc0
#define LCD_FIRST_LINE 	0x40
#define LCD_SET_COM0  	0x44
#define LCD_OSC_ON    	0xab
#define LCD_DC_CNV    	0x65
#define LCD_RRS_SEL    	0x20
#define LCD_EV_SEL     	0x81
#define LCD_BIAS_SEL   	0x50
#define LCD_DSP_CTR     0xae
#define LCD_INV_LINES  	0x4c
#define LCD_SET_PAGE   	0xb0
#define LCD_SET_COL1   	0x10
#define LCD_SET_COL2   	0x00
#define LCD_PWR_SAVE  	0xa8
#define LCD_WAKE       	0xe1
#define LCD_MDF_RD		0xe0
#define LCD_UNMDF_RD	0xee

/* lcd display range */
#define LCD_PAGES       13
#define LCD_COLUMNS    160

/* lcd io control cammands */
#define LCD_POWER 		0x41
#define LCD_DISPLAY 	0x42
#define LCD_BACKLIGHT 	0x43
#define LCD_CURSOR_X 	0x44
#define LCD_CURSOR_Y 	0x45
#define LCD_CLEAR 		0x46
#define LCD_WRITE 		0x47

#define LCD_CURSOR_XY 	0x48        //add by abs

#endif