rt-thread/bsp/mini2440/lcd.c

337 lines
9.1 KiB
C

/*
* File : lcd.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006, RT-Thread Develop Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://openlab.rt-thread.com/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2007-11-17 Yi.Qiu
*/
#include <rtthread.h>
#include <s3c24x0.h>
#define MVAL (13)
#define MVAL_USED (0) //0=each frame 1=rate by MVAL
#define INVVDEN (1) //0=normal 1=inverted
#define BSWP (0) //Byte swap control
#define HWSWP (1) //Half word swap control
#define M5D(n) ((n) & 0x1fffff) // To get lower 21bits
//TFT 240320
#define LCD_XSIZE_TFT_240320 (240)
#define LCD_YSIZE_TFT_240320 (320)
#define SCR_XSIZE_TFT_240320 (240)
#define SCR_YSIZE_TFT_240320 (320)
//TFT 240320
#define HOZVAL_TFT_240320 (LCD_XSIZE_TFT_240320-1)
#define LINEVAL_TFT_240320 (LCD_YSIZE_TFT_240320-1)
//Timing parameter for NEC3.5"
#define VBPD_240320 (1) //垂直同步信号的后肩
#define VFPD_240320 (5) //垂直同步信号的前肩
#define VSPW_240320 (1) //垂直同步信号的脉宽
#define HBPD_240320 (36) //水平同步信号的后肩
#define HFPD_240320 (19) //水平同步信号的前肩
#define HSPW_240320 (5) //水平同步信号的脉宽
#define CLKVAL_TFT_240320 (2)
#define GPB1_TO_OUT() (GPBUP &= 0xfffd, GPBCON &= 0xfffffff3, GPBCON |= 0x00000004)
#define GPB1_TO_1() (GPBDAT |= 0x0002)
#define GPB1_TO_0() (GPBDAT &= 0xfffd)
#define RT_HW_LCD_WIDTH LCD_XSIZE_TFT_240320
#define RT_HW_LCD_HEIGHT SCR_YSIZE_TFT_240320
#define S3C2410_LCDCON1_CLKVAL(x) ((x) << 8)
#define S3C2410_LCDCON1_MMODE (1<<7)
#define S3C2410_LCDCON1_DSCAN4 (0<<5)
#define S3C2410_LCDCON1_STN4 (1<<5)
#define S3C2410_LCDCON1_STN8 (2<<5)
#define S3C2410_LCDCON1_TFT (3<<5)
#define S3C2410_LCDCON1_STN1BPP (0<<1)
#define S3C2410_LCDCON1_STN2GREY (1<<1)
#define S3C2410_LCDCON1_STN4GREY (2<<1)
#define S3C2410_LCDCON1_STN8BPP (3<<1)
#define S3C2410_LCDCON1_STN12BPP (4<<1)
#define S3C2410_LCDCON1_TFT1BPP (8<<1)
#define S3C2410_LCDCON1_TFT2BPP (9<<1)
#define S3C2410_LCDCON1_TFT4BPP (10<<1)
#define S3C2410_LCDCON1_TFT8BPP (11<<1)
#define S3C2410_LCDCON1_TFT16BPP (12<<1)
#define S3C2410_LCDCON1_TFT24BPP (13<<1)
#define S3C2410_LCDCON1_ENVID (1)
#define S3C2410_LCDCON1_MODEMASK 0x1E
#define S3C2410_LCDCON2_VBPD(x) ((x) << 24)
#define S3C2410_LCDCON2_LINEVAL(x) ((x) << 14)
#define S3C2410_LCDCON2_VFPD(x) ((x) << 6)
#define S3C2410_LCDCON2_VSPW(x) ((x) << 0)
#define S3C2410_LCDCON2_GET_VBPD(x) ( ((x) >> 24) & 0xFF)
#define S3C2410_LCDCON2_GET_VFPD(x) ( ((x) >> 6) & 0xFF)
#define S3C2410_LCDCON2_GET_VSPW(x) ( ((x) >> 0) & 0x3F)
#define S3C2410_LCDCON3_HBPD(x) ((x) << 19)
#define S3C2410_LCDCON3_WDLY(x) ((x) << 19)
#define S3C2410_LCDCON3_HOZVAL(x) ((x) << 8)
#define S3C2410_LCDCON3_HFPD(x) ((x) << 0)
#define S3C2410_LCDCON3_LINEBLANK(x)((x) << 0)
#define S3C2410_LCDCON3_GET_HBPD(x) ( ((x) >> 19) & 0x7F)
#define S3C2410_LCDCON3_GET_HFPD(x) ( ((x) >> 0) & 0xFF)
#define S3C2410_LCDCON4_MVAL(x) ((x) << 8)
#define S3C2410_LCDCON4_HSPW(x) ((x) << 0)
#define S3C2410_LCDCON4_WLH(x) ((x) << 0)
#define S3C2410_LCDCON4_GET_HSPW(x) ( ((x) >> 0) & 0xFF)
#define S3C2410_LCDCON5_BPP24BL (1<<12)
#define S3C2410_LCDCON5_FRM565 (1<<11)
#define S3C2410_LCDCON5_INVVCLK (1<<10)
#define S3C2410_LCDCON5_INVVLINE (1<<9)
#define S3C2410_LCDCON5_INVVFRAME (1<<8)
#define S3C2410_LCDCON5_INVVD (1<<7)
#define S3C2410_LCDCON5_INVVDEN (1<<6)
#define S3C2410_LCDCON5_INVPWREN (1<<5)
#define S3C2410_LCDCON5_INVLEND (1<<4)
#define S3C2410_LCDCON5_PWREN (1<<3)
#define S3C2410_LCDCON5_ENLEND (1<<2)
#define S3C2410_LCDCON5_BSWP (1<<1)
#define S3C2410_LCDCON5_HWSWP (1<<0)
#define LCDCON1_VALUE S3C2410_LCDCON1_TFT16BPP | \
S3C2410_LCDCON1_TFT | \
S3C2410_LCDCON1_CLKVAL(0x04)
#define LCDCON2_VALUE S3C2410_LCDCON2_VBPD(1) | \
S3C2410_LCDCON2_LINEVAL(319) | \
S3C2410_LCDCON2_VFPD(5) | \
S3C2410_LCDCON2_VSPW(1)
#define LCDCON3_VALUE S3C2410_LCDCON3_HBPD(36) | \
S3C2410_LCDCON3_HOZVAL(239) | \
S3C2410_LCDCON3_HFPD(19)
#define LCDCON4_VALUE S3C2410_LCDCON4_MVAL(13) | \
S3C2410_LCDCON4_HSPW(5)
#define LCDCON5_VALUE S3C2410_LCDCON5_FRM565 | \
S3C2410_LCDCON5_INVVLINE | \
S3C2410_LCDCON5_INVVFRAME | \
S3C2410_LCDCON5_PWREN | \
S3C2410_LCDCON5_HWSWP
#define S3C2410_LCDINT_FRSYNC (1<<1)
volatile rt_uint16_t _rt_hw_framebuffer[RT_HW_LCD_HEIGHT][RT_HW_LCD_WIDTH];
void lcd_power_enable(int invpwren,int pwren)
{
/* GPG4 is setted as LCD_PWREN */
GPGUP=(GPGUP&(~(1<<4)))|(1<<4); /* Pull-up disable */
GPGCON=(GPGCON&(~(3<<8)))|(3<<8); /* GPG4=LCD_PWREN */
GPGDAT = GPGDAT | (1<<4) ;
/* Enable LCD POWER ENABLE Function */
LCDCON5=(LCDCON5&(~(1<<3)))|(pwren<<3); /* PWREN */
LCDCON5=(LCDCON5&(~(1<<5)))|(invpwren<<5); /* INVPWREN */
}
void lcd_envid_on_off(int onoff)
{
if(onoff==1)
/*ENVID=ON*/
LCDCON1|=1;
else
/*ENVID Off*/
LCDCON1 =LCDCON1 & 0x3fffe;
}
//********************** BOARD LCD backlight ****************************
void LcdBkLtSet(rt_uint32_t HiRatio)
{
#define FREQ_PWM1 1000
if(!HiRatio)
{
GPBCON = GPBCON & (~(3<<2)) | (1<<2) ; //GPB1设置为output
GPBDAT &= ~(1<<1);
return;
}
GPBCON = GPBCON & (~(3<<2)) | (2<<2) ;
if( HiRatio > 100 ) HiRatio = 100 ;
TCON = TCON & (~(0xf<<8)) ; // clear manual update bit, stop Timer1
TCFG0 &= 0xffffff00; // set Timer 0&1 prescaler 0
TCFG0 |= 15; //prescaler = 15+1
TCFG1 &= 0xffffff0f; // set Timer 1 MUX 1/16
TCFG1 |= 0x00000030; // set Timer 1 MUX 1/16
TCNTB1 = ( 100000000>>8 )/FREQ_PWM1; //if set inverter off, when TCNT2<=TCMP2, TOUT is high, TCNT2>TCMP2, TOUT is low
TCMPB1 = ( TCNTB1*(100-HiRatio))/100 ; //if set inverter on, when TCNT2<=TCMP2, TOUT is low, TCNT2>TCMP2, TOUT is high
TCON = TCON & (~(0xf<<8)) | (0x0e<<8) ;
TCON = TCON & (~(0xf<<8)) | (0x0d<<8) ;
}
#ifdef RT_USING_RTGUI
#include <rtgui/driver.h>
#include <rtgui/color.h>
void rt_hw_lcd_update(rtgui_rect_t *rect)
{
/* nothing */
}
rt_uint8_t * rt_hw_lcd_get_framebuffer(void)
{
return (rt_uint8_t *)_rt_hw_framebuffer;
}
void rt_hw_lcd_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
{
if (x < SCR_XSIZE_TFT_240320 && y < SCR_YSIZE_TFT_240320)
{
_rt_hw_framebuffer[(y)][(x)] = rtgui_color_to_565p(*c);
}
}
void rt_hw_lcd_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
{
if (x < SCR_XSIZE_TFT_240320 && y < SCR_YSIZE_TFT_240320)
{
*c = rtgui_color_from_565p(_rt_hw_framebuffer[(y)][(x)]);
}
return ;
}
void rt_hw_lcd_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, rt_base_t y)
{
rt_uint32_t idx;
rt_uint16_t color;
/* get color pixel */
color = rtgui_color_to_565p(*c);
for (idx = x1; idx < x2; idx ++)
{
_rt_hw_framebuffer[y][idx] = color;
}
}
void rt_hw_lcd_draw_vline(rtgui_color_t *c, rt_base_t x, rt_base_t y1, rt_base_t y2)
{
rt_uint32_t idy;
rt_uint16_t color;
/* get color pixel */
color = rtgui_color_to_565p(*c);
for (idy = y1; idy < y2; idy ++)
{
_rt_hw_framebuffer[idy][x] = color;
}
}
void rt_hw_lcd_draw_raw_hline(rt_uint8_t *pixels, rt_base_t x1, rt_base_t x2, rt_base_t y)
{
rt_memcpy((void*)&_rt_hw_framebuffer[y][x1], pixels, (x2 - x1) * 2);
}
struct rtgui_graphic_driver _rtgui_lcd_driver =
{
"lcd",
2,
240,
320,
rt_hw_lcd_update,
rt_hw_lcd_get_framebuffer,
rt_hw_lcd_set_pixel,
rt_hw_lcd_get_pixel,
rt_hw_lcd_draw_hline,
rt_hw_lcd_draw_vline,
rt_hw_lcd_draw_raw_hline
};
#include "finsh.h"
void hline(rt_uint32_t c, int x1, int x2, int y)
{
rtgui_color_t color = (rtgui_color_t)c;
rt_hw_lcd_draw_hline(&color, x1, x2, y);
}
FINSH_FUNCTION_EXPORT(hline, draw a hline);
void vline(rt_uint32_t c, int x, int y1, int y2)
{
rtgui_color_t color = (rtgui_color_t)c;
rt_hw_lcd_draw_vline(&color, x, y1, y2);
}
FINSH_FUNCTION_EXPORT(vline, draw a vline);
void clear()
{
int y;
for (y = 0; y < 320; y ++)
{
rt_hw_lcd_draw_hline((rtgui_color_t*)&white, 0, 239, y);
}
}
FINSH_FUNCTION_EXPORT(clear, clear screen);
void rt_hw_lcd_init()
{
GPB1_TO_OUT();
GPB1_TO_1();
GPCUP = 0x00000000;
GPCCON = 0xaaaa02a9;
GPDUP = 0x00000000;
GPDCON = 0xaaaaaaaa;
LCDCON1 = LCDCON1_VALUE;
LCDCON2 = LCDCON2_VALUE;
LCDCON3 = LCDCON3_VALUE;
LCDCON4 = LCDCON4_VALUE;
LCDCON5 = LCDCON5_VALUE;
LCDSADDR1=(((rt_uint32_t)_rt_hw_framebuffer>>22)<<21)|M5D((rt_uint32_t)_rt_hw_framebuffer>>1);
LCDSADDR2=M5D( ((rt_uint32_t)_rt_hw_framebuffer+(SCR_XSIZE_TFT_240320*LCD_YSIZE_TFT_240320*2))>>1 );
LCDSADDR3=(((SCR_XSIZE_TFT_240320-LCD_XSIZE_TFT_240320)/1)<<11)|(LCD_XSIZE_TFT_240320/1);
LCDINTMSK|=(3);
LPCSEL &= (~7) ;
TPAL=0;
LcdBkLtSet( 70 ) ;
lcd_power_enable(0, 1);
lcd_envid_on_off(1);
/* add lcd driver into graphic driver */
rtgui_graphic_driver_add(&_rtgui_lcd_driver);
}
#endif