git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1639 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/mini2440/lcd_x35.c

@@ -0,0 +1,255 @@
+/*
+ * File      : lcd_x35.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2010, 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://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2010-01-01     bernard      first version from QiuYi's driver
+ * 2011-07-13     Manoel       Modifications on lcd_n35.c to support X35 LCD  
+ *                             ACX502BMU - 7522J16D SONY
+ */
+
+#include <rtthread.h>
+#include <s3c24x0.h>
+
+#include "lcd.h"
+
+/* LCD driver for X3'5 */
+#define LCD_WIDTH 240   // xres
+#define LCD_HEIGHT 320  // yres
+#define LCD_PIXCLOCK 7  // clock
+
+#define LCD_RIGHT_MARGIN 23 // margin_right
+#define LCD_LEFT_MARGIN 0   // margin_left
+#define LCD_HSYNC_LEN 5     // hsync
+
+#define LCD_UPPER_MARGIN 1  // margin_top
+#define LCD_LOWER_MARGIN 3  // margin_botton 
+#define LCD_VSYNC_LEN 9     // vsync
+
+#define LCD_XSIZE  LCD_WIDTH
+#define LCD_YSIZE  LCD_HEIGHT
+#define SCR_XSIZE  LCD_WIDTH
+#define SCR_YSIZE  LCD_HEIGHT
+
+#define RT_HW_LCD_WIDTH		LCD_WIDTH
+#define RT_HW_LCD_HEIGHT	LCD_HEIGHT
+
+#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 GPB1_TO_OUT()		(GPBUP &= 0xfffd, GPBCON &= 0xfffffff3, GPBCON |= 0x00000004)
+#define GPB1_TO_1()			(GPBDAT |= 0x0002)
+#define GPB1_TO_0()			(GPBDAT &= 0xfffd)
+
+#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	S3C2410_LCDINT_FRSYNC	(1<<1)
+
+static volatile rt_uint16_t _rt_framebuffer[RT_HW_LCD_HEIGHT][RT_HW_LCD_WIDTH];
+//static volatile rt_uint16_t _rt_hw_framebuffer[RT_HW_LCD_HEIGHT][RT_HW_LCD_WIDTH];
+static struct rt_device_graphic_info _lcd_info;
+
+static void lcd_power_enable(int invpwren, int pwren)
+{
+    //GPG4 is setted as LCD_PWREN
+    GPGUP  = GPGUP | (1<<4); // Pull-up disable
+    GPGCON = GPGCON | (3<<8); //GPG4=LCD_PWREN
+
+    //Enable LCD POWER ENABLE Function
+    LCDCON5 = LCDCON5&(~(1<<3))|(pwren<<3);   // PWREN
+    LCDCON5 = LCDCON5&(~(1<<5))|(invpwren<<5);   // INVPWREN
+}
+
+static void lcd_envid_on_off(int onoff)
+{
+	if(onoff==1)
+		/*ENVID=ON*/
+		LCDCON1|=1;
+	else
+		/*ENVID Off*/
+		LCDCON1 =LCDCON1 & 0x3fffe;
+}
+
+//********************** BOARD LCD backlight ****************************
+static void LcdBkLtSet(rt_uint32_t HiRatio)
+{
+#define FREQ_PWM1		1000
+	if(!HiRatio)
+	{
+		GPBCON  = GPBCON & (~(3<<2)) | (1<<2) ;	//GPB1ÉèÖÃΪoutput
+		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) ;
+}
+
+/* RT-Thread Device Interface */
+static rt_err_t rt_lcd_init (rt_device_t dev)
+{	
+	GPB1_TO_OUT();
+	GPB1_TO_1();
+
+	GPCUP  = 0x00000000;
+	GPCCON = 0xaaaa02a9;
+
+	GPDUP  = 0x00000000;
+	GPDCON = 0xaaaaaaaa;
+
+#define	M5D(n)	((n)&0x1fffff)
+#define LCD_ADDR ((rt_uint32_t)_rt_framebuffer)
+	LCDCON1 = (LCD_PIXCLOCK << 8) | (3 <<  5) | (12 << 1);
+   	LCDCON2 = (LCD_UPPER_MARGIN << 24) | ((LCD_HEIGHT - 1) << 14) | (LCD_LOWER_MARGIN << 6) | (LCD_VSYNC_LEN << 0);
+   	LCDCON3 = (LCD_RIGHT_MARGIN << 19) | ((LCD_WIDTH  - 1) <<  8) | (LCD_LEFT_MARGIN << 0);
+   	LCDCON4 = (13 <<  8) | (LCD_HSYNC_LEN << 0);
+
+#define LCD_CON5 (S3C2410_LCDCON5_FRM565 | S3C2410_LCDCON5_INVVDEN | S3C2410_LCDCON5_INVVFRAME | \
+S3C2410_LCDCON5_INVVLINE | S3C2410_LCDCON5_INVVCLK | S3C2410_LCDCON5_PWREN| S3C2410_LCDCON5_HWSWP)
+
+#if !defined(LCD_CON5)
+    #define LCD_CON5 ((1<<11) | (1 << 9) | (1 << 8) | (1 << 3) | (1 << 0))
+#endif
+    LCDCON5   =  LCD_CON5;
+
+    LCDSADDR1 = ((LCD_ADDR >> 22) << 21) | ((M5D(LCD_ADDR >> 1)) <<  0);
+    LCDSADDR2 = M5D((LCD_ADDR + LCD_WIDTH * LCD_HEIGHT * 2) >> 1);
+    LCDSADDR3 = LCD_WIDTH;
+
+	LCDINTMSK |= (3);
+	LPCSEL &= (~7) ;
+	TPAL=0;
+
+	LcdBkLtSet(70) ;
+	lcd_power_enable(0, 1);
+	lcd_envid_on_off(1);
+
+	return RT_EOK;
+}
+
+static rt_err_t rt_lcd_control (rt_device_t dev, rt_uint8_t cmd, void *args)
+{
+	switch (cmd)
+	{
+	case RTGRAPHIC_CTRL_RECT_UPDATE:
+		break;
+	case RTGRAPHIC_CTRL_POWERON:
+		break;
+	case RTGRAPHIC_CTRL_POWEROFF:
+		break;
+	case RTGRAPHIC_CTRL_GET_INFO:		
+		rt_memcpy(args, &_lcd_info, sizeof(_lcd_info));
+		break;
+	case RTGRAPHIC_CTRL_SET_MODE:
+		break;
+	}
+
+	return RT_EOK;
+}
+
+void rt_hw_lcd_init(void)
+{
+	rt_device_t lcd = rt_malloc(sizeof(struct rt_device));
+	if (lcd == RT_NULL) return; /* no memory yet */
+
+	_lcd_info.bits_per_pixel = 16;
+	_lcd_info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565P;
+	_lcd_info.framebuffer = (void*)_rt_framebuffer;
+	_lcd_info.width = LCD_WIDTH;
+	_lcd_info.height = LCD_HEIGHT;
+
+	/* init device structure */
+	lcd->type = RT_Device_Class_Unknown;
+	lcd->init = rt_lcd_init;
+	lcd->open = RT_NULL;
+	lcd->close = RT_NULL;
+	lcd->control = rt_lcd_control;
+	lcd->user_data = (void*)&_lcd_info;
+	
+	/* register lcd device to RT-Thread */
+	rt_device_register(lcd, "lcd", RT_DEVICE_FLAG_RDWR);
+}
+