s5pv210 hx8369 lcd配制

港控/mmm° 2022-06-11 05:38 219阅读 0赞

### u-boot中配制hx8369,IO模拟SPI. ###

/*
    *gzsd add
    */
    #include<regs.h>
    #include <common.h>
    #include <asm/io.h>
    #ifdef CONFIG_GZSD210_LCD
    static void set_cs(int cs)
    {
    	int reg;
    	reg = readl(GPF1DAT);
    	reg &= ~(0x1 << 5);
    	reg |= (cs << 5);
    	writel(reg,GPF1DAT);
    }
    
    static void set_clk(int clk)
    {
    	int reg;
    	reg = readl(GPF1DAT);
    	reg &= ~(0x1 << 4);
    	reg |= (clk << 4);
    	writel(reg,GPF1DAT);
    }
    
    static void set_outdata(int outdata)
    {
    	int reg;
    #if	0
    	reg = readl(GPF0CON);
    	reg &= ~(0xf << 20);
    	reg |= (0x1<< 20);
    	writel(reg,GPF0CON);
    	reg = readl(GPF0DAT);
    	reg &= ~(0x1 << 5);
    	reg |= (outdata << 5);
    	writel(reg,GPF0DAT);
    #else
    	reg = readl(GPF0DAT);
    	reg &= ~(0x1 << 6);
    	reg |= (outdata << 6);
    	writel(reg,GPF0DAT);
    #endif
    }
    
    static void send_data(unsigned int data)
    {
    	unsigned int i;
    	int clk_num;
    	int clk_mask;
    	set_cs(0);
    	udelay(10);
    	set_clk(1);
    	set_outdata(1);
    	udelay(10);
    
    	clk_num = 9;
    	clk_mask = 0x100;
    	udelay(50);
    
    	for(i = 0; i < clk_num; ++i){
    		set_clk(0);
    		if(data & clk_mask){
    			set_outdata(1);
    		}
    		else{
    			set_outdata(0);
    		}
    		udelay(100);
    		set_clk(1);
    		udelay(100);
    		data <<= 1;
    	}
    	set_outdata(1);
    	set_cs(1);
    }
    static void hx8369_write_cmd(unsigned int cmd)
    {
    	unsigned int out;
    	out = (cmd & 0xFF);
    	send_data(out);
    }
    
    static void hx8369_write_data(unsigned int data)
    {
    	unsigned int out = (data & 0xFF) | 0x100;
    	send_data(out);
    
    }
    
    static void set_hx8369(void)
    {
    	hx8369_write_cmd(0xB9);  // SET password 
            hx8369_write_data(0xFF);   
            hx8369_write_data(0x83);   
            hx8369_write_data(0x69);
    
            hx8369_write_cmd(0xB1);  //Set Power 
            hx8369_write_data(0x01);                           
            hx8369_write_data(0x00);                           
            hx8369_write_data(0x34);                           
            hx8369_write_data(0x06);                           
            hx8369_write_data(0x00);                           
            hx8369_write_data(0x11);                           
            hx8369_write_data(0x11);                           
            hx8369_write_data(0x2A);                           
            hx8369_write_data(0x32);                           
            hx8369_write_data(0x3F);                           
            hx8369_write_data(0x3F);                           
            hx8369_write_data(0x07);                           
            hx8369_write_data(0x23);                           
            hx8369_write_data(0x01);                           
            hx8369_write_data(0xE6);                           
            hx8369_write_data(0xE6);                           
            hx8369_write_data(0xE6);                           
            hx8369_write_data(0xE6);                           
            hx8369_write_data(0xE6);
    
    
            hx8369_write_cmd(0xB2);  // SET Display  480x800 
            hx8369_write_data(0x00);   
            hx8369_write_data(0x2B);   
            hx8369_write_data(0x03);   
            hx8369_write_data(0x03);   
            hx8369_write_data(0x70);   
            hx8369_write_data(0x00);   
            hx8369_write_data(0xFF);   
            hx8369_write_data(0x00);   
            hx8369_write_data(0x00);   
            hx8369_write_data(0x00);   
            hx8369_write_data(0x00);   
            hx8369_write_data(0x03);   
            hx8369_write_data(0x03);   
            hx8369_write_data(0x00);   
            hx8369_write_data(0x01);
    
            hx8369_write_cmd(0xB4);  // SET Display  480x800 
            hx8369_write_data(0x00);   
            hx8369_write_data(0x0C);   
            hx8369_write_data(0xA0); 
            hx8369_write_data(0x0E);   
            hx8369_write_data(0x06);
    
            hx8369_write_cmd(0xB6);  // SET VCOM 
            hx8369_write_data(0x10);   
            hx8369_write_data(0x10);
    
    
            hx8369_write_cmd(0xD5);  // SET GIP
            hx8369_write_data(0x00);   
            hx8369_write_data(0x05);   
            hx8369_write_data(0x03);   
            hx8369_write_data(0x00);   
            hx8369_write_data(0x01);   
            hx8369_write_data(0x09);   
            hx8369_write_data(0x10);   
            hx8369_write_data(0x80);   
            hx8369_write_data(0x37);   
            hx8369_write_data(0x37);   
            hx8369_write_data(0x20);   
            hx8369_write_data(0x31);   
            hx8369_write_data(0x46);   
            hx8369_write_data(0x8A);   
            hx8369_write_data(0x57);   
            hx8369_write_data(0x9B);   
            hx8369_write_data(0x20);   
            hx8369_write_data(0x31);   
            hx8369_write_data(0x46);   
            hx8369_write_data(0x8A);   
            hx8369_write_data(0x57);   
            hx8369_write_data(0x9B);   
            hx8369_write_data(0x07);   
            hx8369_write_data(0x0F);   
            hx8369_write_data(0x02);   
            hx8369_write_data(0x00);
    
            hx8369_write_cmd(0xE0); // SET Gamma
            hx8369_write_data(0x00); 
            hx8369_write_data(0x08); 
            hx8369_write_data(0x0D); 
            hx8369_write_data(0x2D); 
            hx8369_write_data(0x34); 
            hx8369_write_data(0x3F); 
            hx8369_write_data(0x19); 
            hx8369_write_data(0x38); 
            hx8369_write_data(0x09); 
            hx8369_write_data(0x0E); 
            hx8369_write_data(0x0E); 
            hx8369_write_data(0x12); 
            hx8369_write_data(0x14); 
            hx8369_write_data(0x12); 
            hx8369_write_data(0x14); 
            hx8369_write_data(0x13); 
            hx8369_write_data(0x19); 
            hx8369_write_data(0x00); 
            hx8369_write_data(0x08); 
            hx8369_write_data(0x0D); 
            hx8369_write_data(0x2D); 
            hx8369_write_data(0x34); 
            hx8369_write_data(0x3F); 
            hx8369_write_data(0x19); 
            hx8369_write_data(0x38); 
            hx8369_write_data(0x09); 
            hx8369_write_data(0x0E); 
            hx8369_write_data(0x0E); 
            hx8369_write_data(0x12); 
            hx8369_write_data(0x14); 
            hx8369_write_data(0x12); 
            hx8369_write_data(0x14); 
            hx8369_write_data(0x13); 
            hx8369_write_data(0x19); 
    
    
    	hx8369_write_cmd(0xC1); 
    	hx8369_write_data(0x01); //enable DGC function 
    	hx8369_write_data(0x02); //SET R-GAMMA 
    	hx8369_write_data(0x08); 
    	hx8369_write_data(0x12); 
    	hx8369_write_data(0x1A); 
    	hx8369_write_data(0x22); 
    	hx8369_write_data(0x2A); 
    	hx8369_write_data(0x31); 
    	hx8369_write_data(0x36); 
    	hx8369_write_data(0x3F); 
    	hx8369_write_data(0x48); 
    	hx8369_write_data(0x51); 
    	hx8369_write_data(0x58); 
    	hx8369_write_data(0x60); 
    	hx8369_write_data(0x68); 
    	hx8369_write_data(0x70); 
    	hx8369_write_data(0x78); 
    	hx8369_write_data(0x80); 
    	hx8369_write_data(0x88); 
    	hx8369_write_data(0x90); 
    	hx8369_write_data(0x98); 
    	hx8369_write_data(0xA0); 
    	hx8369_write_data(0xA7); 
    	hx8369_write_data(0xAF); 
    	hx8369_write_data(0xB6); 
    	hx8369_write_data(0xBE); 
    	hx8369_write_data(0xC7); 
    	hx8369_write_data(0xCE); 
    	hx8369_write_data(0xD6); 
    	hx8369_write_data(0xDE); 
    	hx8369_write_data(0xE6); 
    	hx8369_write_data(0xEF); 
    	hx8369_write_data(0xF5); 
    	hx8369_write_data(0xFB); 
    	hx8369_write_data(0xFC); 
    	hx8369_write_data(0xFE); 
    	hx8369_write_data(0x8C); 
    	hx8369_write_data(0xA4); 
    	hx8369_write_data(0x19); 
    	hx8369_write_data(0xEC); 
    	hx8369_write_data(0x1B); 
    	hx8369_write_data(0x4C); 
    	hx8369_write_data(0x40);   
      
    	hx8369_write_data(0x02); //SET G-Gamma 
    	hx8369_write_data(0x08); 
    	hx8369_write_data(0x12); 
    	hx8369_write_data(0x1A); 
    	hx8369_write_data(0x22); 
    	hx8369_write_data(0x2A); 
    	hx8369_write_data(0x31); 
    	hx8369_write_data(0x36); 
    	hx8369_write_data(0x3F); 
    	hx8369_write_data(0x48); 
    	hx8369_write_data(0x51); 
    	hx8369_write_data(0x58); 
    	hx8369_write_data(0x60); 
    	hx8369_write_data(0x68); 
    	hx8369_write_data(0x70); 
    	hx8369_write_data(0x78); 
    	hx8369_write_data(0x80); 
    	hx8369_write_data(0x88); 
    	hx8369_write_data(0x90); 
    	hx8369_write_data(0x98); 
    	hx8369_write_data(0xA0); 
    	hx8369_write_data(0xA7); 
    	hx8369_write_data(0xAF); 
    	hx8369_write_data(0xB6); 
    	hx8369_write_data(0xBE); 
    	hx8369_write_data(0xC7); 
    	hx8369_write_data(0xCE); 
    	hx8369_write_data(0xD6); 
    	hx8369_write_data(0xDE); 
    	hx8369_write_data(0xE6); 
    	hx8369_write_data(0xEF); 
    	hx8369_write_data(0xF5); 
    	hx8369_write_data(0xFB); 
    	hx8369_write_data(0xFC); 
    	hx8369_write_data(0xFE); 
    	hx8369_write_data(0x8C); 
    	hx8369_write_data(0xA4); 
    	hx8369_write_data(0x19); 
    	hx8369_write_data(0xEC); 
    	hx8369_write_data(0x1B); 
    	hx8369_write_data(0x4C); 
    	hx8369_write_data(0x40); 
    	
    	hx8369_write_data(0x02); //SET B-Gamma 
    	hx8369_write_data(0x08); 
    	hx8369_write_data(0x12); 
    	hx8369_write_data(0x1A); 
    	hx8369_write_data(0x22); 
    	hx8369_write_data(0x2A); 
    	hx8369_write_data(0x31); 
    	hx8369_write_data(0x36); 
    	hx8369_write_data(0x3F); 
    	hx8369_write_data(0x48); 
    	hx8369_write_data(0x51); 
    	hx8369_write_data(0x58); 
    	hx8369_write_data(0x60); 
    	hx8369_write_data(0x68); 
    	hx8369_write_data(0x70); 
    	hx8369_write_data(0x78); 
    	hx8369_write_data(0x80); 
    	hx8369_write_data(0x88); 
    	hx8369_write_data(0x90); 
    	hx8369_write_data(0x98); 
    	hx8369_write_data(0xA0); 
    	hx8369_write_data(0xA7); 
    	hx8369_write_data(0xAF); 
    	hx8369_write_data(0xB6); 
    	hx8369_write_data(0xBE); 
    	hx8369_write_data(0xC7); 
    	hx8369_write_data(0xCE); 
    	hx8369_write_data(0xD6); 
    	hx8369_write_data(0xDE); 
    	hx8369_write_data(0xE6); 
    	hx8369_write_data(0xEF); 
    	hx8369_write_data(0xF5); 
    	hx8369_write_data(0xFB); 
    	hx8369_write_data(0xFC); 
    	hx8369_write_data(0xFE); 
    	hx8369_write_data(0x8C); 
    	hx8369_write_data(0xA4); 
    	hx8369_write_data(0x19); 
    	hx8369_write_data(0xEC); 
    	hx8369_write_data(0x1B); 
    	hx8369_write_data(0x4C); 
    	hx8369_write_data(0x40); 
    						
    
    	
    	hx8369_write_cmd(0x3A); 
    	//24 bits
    	//hx8369_write_data(0x77);
    	//18 bits
    	hx8369_write_data(0x66);	 
    															 
    	hx8369_write_cmd(0x11);	 
    								
    	udelay(120000); 
    
    	hx8369_write_cmd(0x29);
    }
    
    static void lcd_reset()
    {
    	int reg;
    
    	reg = readl(GPF2CON);//reset
    	reg &= ~(0xf << 16);
    	reg |= (0x1<< 16);
    	writel(reg,GPF2CON);
    	reg = readl(GPF2DAT);
    	reg |= (0x1 << 4);
    	writel(reg,GPF2DAT);
    	//udelay(100000);
    	udelay(10000);
    	reg = readl(GPF2DAT);
    	reg &= ~(0x1 << 4);
    	writel(reg,GPF2DAT);
    	//udelay(200000);
    	udelay(20000);
    	reg = readl(GPF2DAT);
    	reg |= (0x1 << 4);
    	writel(reg,GPF2DAT);
    	udelay(10000);
    	//set_clk(1);	//keep in stop state more than 6ms
    	//set_outdata(1);
    	//udelay(10000);
    }
    static void gpio_cfg()
    {
    	int reg;
    	reg = readl(GPF1CON);	//cs
    	reg &= ~(0xf << 20);
    	reg |= (0x1<< 20);
    	writel(reg,GPF1CON);
    
    	reg = readl(GPF1CON);	//clk
    	reg &= ~(0xf << 16);
    	reg |= (0x1<< 16);
    	writel(reg,GPF1CON);
    
    	reg = readl(GPF0CON);	// outdata
    	reg &= ~(0xf << 24);
    	reg |= (0x1<< 24);
    	writel(reg,GPF0CON);
    
    	set_clk(1);	//keep in stop state more than 6ms
    	set_cs(1);
    	set_outdata(1);
    	udelay(10000);
    
    	reg = readl(GPF0CON);	//set 3.3v
    	reg &= ~(0xf << 16);
    	reg |= (0x1<< 16);
    	writel(reg,GPF0CON);
    	reg = readl(GPF0DAT);
    	reg &= ~(0x1 << 4);
    	writel(reg, GPF0DAT);
    }
    /*lcd config*/
    void lcd_config()
    {
    	gpio_cfg();
    	lcd_reset();
    	set_hx8369();
    	set_cs(1);
    	set_clk(1);
    	set_outdata(1);
    }
    #endif

### 内核中增加相关配制 ###

//gzsd
    #ifdef CONFIG_FB_S3C_TFT480
    
    static struct s3cfb_lcd hx8369 = {
            .width = 480,//480,
            .height = 800,//800,
            //.p_width = 52,
            //.p_height = 86,
            .bpp = 24,
            .freq = 60,
     
            .timing = {
    #if	1
                    .h_fp = 32,
                    .h_bp = 32,
                    .h_sw = 14,
                    .v_fp = 12,
                    .v_fpe = 1,
                    .v_bp = 12,
                    .v_bpe = 1,
                    .v_sw = 8,
    #else
                    .h_fp = 15,
                    .h_bp = 4,
                    .h_sw = 14,
                    .v_fp = 3,
                    .v_fpe = 1,
                    .v_bp = 3,
                    .v_bpe = 1,
                    .v_sw = 2,
    #endif
            },
            .polarity = {
                    .rise_vclk      = 0, // video data fetch at DOTCLK falling edge
                    .inv_hsync      = 1,    // low active
                    .inv_vsync      = 1,    // low active
                    .inv_vden       = 0,    // data is vaild when DEpin is high
            },
    };
    
    static void hx8369_cfg_gpio(struct platform_device *pdev)
    {
            int i;
    
    	for (i = 0; i < 5; i++) {
    		s3c_gpio_cfgpin(S5PV210_GPF0(i), S3C_GPIO_SFN(2));
    		s3c_gpio_setpull(S5PV210_GPF0(i), S3C_GPIO_PULL_NONE);
    	}
    	s3c_gpio_cfgpin(S5PV210_GPF0(7), S3C_GPIO_SFN(2));
    	s3c_gpio_setpull(S5PV210_GPF0(7), S3C_GPIO_PULL_NONE);
    
    	for (i = 0; i < 4; i++) {
    		s3c_gpio_cfgpin(S5PV210_GPF1(i), S3C_GPIO_SFN(2));
    		s3c_gpio_setpull(S5PV210_GPF1(i), S3C_GPIO_PULL_NONE);
    	}
    	s3c_gpio_cfgpin(S5PV210_GPF1(6), S3C_GPIO_SFN(2));
    	s3c_gpio_setpull(S5PV210_GPF1(6), S3C_GPIO_PULL_NONE);
    	s3c_gpio_cfgpin(S5PV210_GPF1(7), S3C_GPIO_SFN(2));
    	s3c_gpio_setpull(S5PV210_GPF1(7), S3C_GPIO_PULL_NONE);
    
    	for (i = 0; i < 4; i++) {
    		s3c_gpio_cfgpin(S5PV210_GPF2(i), S3C_GPIO_SFN(2));
    		s3c_gpio_setpull(S5PV210_GPF2(i), S3C_GPIO_PULL_NONE);
    	}
    	for (i = 5; i < 8; i++) {
    		s3c_gpio_cfgpin(S5PV210_GPF2(i), S3C_GPIO_SFN(2));
    		s3c_gpio_setpull(S5PV210_GPF2(i), S3C_GPIO_PULL_NONE);
    	}
    
    	for (i = 0; i < 4; i++) {
    		s3c_gpio_cfgpin(S5PV210_GPF3(i), S3C_GPIO_SFN(2));
    		s3c_gpio_setpull(S5PV210_GPF3(i), S3C_GPIO_PULL_NONE);
    	}
    
    	/* mDNIe SEL: why we shall write 0x2 ? */
    	writel(0x2, S5P_MDNIE_SEL);
    
    	/* drive strength to max */
    	writel(0xffffffff, S5PV210_GPF0_BASE + 0xc);
    	writel(0xffffffff, S5PV210_GPF1_BASE + 0xc);
    	writel(0xffffffff, S5PV210_GPF2_BASE + 0xc);
    	writel(0x000000ff, S5PV210_GPF3_BASE + 0xc);
    }
    
    static int hx8369_backlight_on(struct platform_device *pdev)
    {
    	int err;
    
    	err = gpio_request(S5PV210_GPD0(0), "GPD0");
    
    	if (err) {
    		printk(KERN_ERR "failed to request GPD0 for "
    			"lcd backlight control\n");
    		return err;
    	}
    
    	gpio_direction_output(S5PV210_GPD0(0), 1);
    
    	//s3c_gpio_cfgpin(S5PV210_GPD0(0), S5PV210_GPD_0_0_TOUT_0);
    
    	gpio_free(S5PV210_GPD0(0));
    
    	return 0;
    }
    
    static int hx8369_backlight_off(struct platform_device *pdev, int onoff)
    {
    	int err;
    
    	err = gpio_request(S5PV210_GPD0(0), "GPD0");
    	if (err) {
    		printk(KERN_ERR "failed to request GPD0 for "
    				"lcd backlight control\n");
    		return err;
    	}
    
    	gpio_direction_output(S5PV210_GPD0(0), 0);
    
    	gpio_free(S5PV210_GPD0(0));
    	return 0;
    }
    
    static int hx8369_reset_lcd(struct platform_device *pdev)
    {
    /*
    	int err;
    
    	err = gpio_request(S5PV210_GPH2(4), "GPH2");
    	if (err) {
    		printk(KERN_ERR "failed to request GPH2 for "
    				"lcd reset control\n");
    		return err;
    	}
    
    	gpio_direction_output(S5PV210_GPF2(4), 1);
    	mdelay(100);
    
    	gpio_set_value(S5PV210_GPF2(4), 0);
    	mdelay(10);
    
    	gpio_set_value(S5PV210_GPF2(4), 1);
    	mdelay(10);
    
    	gpio_free(S5PV210_GPF2(4));
    
    	return 0;
    */
    }
    
    static struct s3c_platform_fb hx8369_fb_data __initdata = {
    	.hw_ver	= 0x62,
    	.nr_wins = 5,
    	.default_win = CONFIG_FB_S3C_DEFAULT_WINDOW,
    	.swap = FB_SWAP_WORD | FB_SWAP_HWORD,
    
    	.lcd = &hx8369,
    	.cfg_gpio	= hx8369_cfg_gpio,
    	.backlight_on	= hx8369_backlight_on,
    	.backlight_onoff    = hx8369_backlight_off,
    	.reset_lcd	= hx8369_reset_lcd,
    };
    #endif