(dmparams.format == 0) ? "" :		(dmparams.format == COMPOSITE) ? " in COMPOSITE format":		(dmparams.format == SVIDEO) ? " in SVIDEO format":		(dmparams.format == COMPONENT) ? " in COMPONENT format":		(dmparams.format == RGB) ? " in RGB format" : "",				(dmparams.windows & (1 << VID0)) ? "Video0" : "",		(dmparams.windows & (1 << VID1)) ? "Video1" : "",		(dmparams.windows & (1 << OSD0)) ? "OSD0" : "",		(dmparams.windows & (1 << OSD1)) ? "OSD1" : "");		if (dmparams.output == NTSC)		{			format_yres = 480;		}		else if (dmparams.output == PAL)		{			format_yres = 576;		}		else		{			printk(KERN_INFO "DM64XX:invalid format..defaulting width to 480\n");		}		dmparams.osd0_yres = osd0_default_var.yres = format_yres;
		dmparams.osd1_yres = osd1_default_var.yres = format_yres;		dmparams.vid0_yres = vid0_default_var.yres = format_yres;		dmparams.vid1_yres = vid1_default_var.yres = format_yres;		osd0_default_var.yres_virtual = format_yres * DOUBLE_BUF;		osd1_default_var.yres_virtual = format_yres * DOUBLE_BUF;		vid0_default_var.yres_virtual = format_yres * TRIPLE_BUF;		vid1_default_var.yres_virtual = format_yres * TRIPLE_BUF;			if (dmparams.windows & (1 << VID0))		printk(KERN_INFO "Setting Video0 size %dx%d, "				 "position (%d,%d)\n",				 dmparams.vid0_xres, dmparams.vid0_yres,				 dmparams.vid0_xpos, dmparams.vid0_ypos);	if (dmparams.windows & (1 << VID1))		printk(KERN_INFO "Setting Video1 size %dx%d, "				 "position (%d,%d)\n",				 dmparams.vid1_xres, dmparams.vid1_yres,				 dmparams.vid1_xpos, dmparams.vid1_ypos);	if (dmparams.windows & (1 << OSD0))		printk(KERN_INFO "Setting OSD0 size %dx%d, "				 "position (%d,%d)\n",				 dmparams.osd0_xres, dmparams.osd0_yres,				 dmparams.osd0_xpos, dmparams.osd0_ypos);
	if (dmparams.windows & (1 << OSD1))
		printk(KERN_INFO "Setting OSD1 size %dx%d, "
				 "position (%d,%d)\n",
				 dmparams.osd1_xres, dmparams.osd1_yres,
				 dmparams.osd1_xpos, dmparams.osd1_ypos);	RETURN(0);}__setup("video",dm64xxfb_setup);#endifstatic int mem_release(struct dm_win_info *w) //釋放指定窗口的ram空間{	DBGENTER;	if (!w->alloc_fb_mem) {		iounmap((void*)w->fb_base);		release_mem_region(w->fb_base_phys, w->fb_size);	}	else 		dma_free_coherent(NULL, w->fb_size, (void *)w->fb_base,				  w->fb_base_phys);	kfree(w);	RETURN(0);}static int mem_alloc(struct dm_win_info **win, dma_addr_t fb_base_phys,    		     unsigned long fb_size, char *fbname) {	struct dm_win_info *w;		DBGENTER;	w = kmalloc(sizeof(struct dm_win_info), GFP_KERNEL);//申請空間	if (!w) {		printk(KERN_ERR "%s: could not allocate memory\n", fbname);		RETURN(-ENOMEM);	}	memset(w, 0, sizeof(struct dm_win_info));	//初始化內存，初始化為0	w->fb_base_phys = fb_base_phys;		//初始化為給定的起始地址和大小	w->fb_size = fb_size;	/* A null base address indicates that the framebuffer memory should be	 * dynamically allocated.	 */	if (!w->fb_base_phys)	//若給了一個值為0（NULL）的地址，則FB memory要動態的分配		w->alloc_fb_mem = 1;	if (!w->alloc_fb_mem) {		if (!request_mem_region(w->fb_base_phys, w->fb_size, fbname))  // 請求內存		{			printk(KERN_ERR 				"%s: cannot reserve FB region\n", fbname);			goto free_par;		}		w->fb_base =			(unsigned long) ioremap(w->fb_base_phys, w->fb_size);   //空間映射		if (!w->fb_base) {			printk(KERN_ERR "%s: cannot map framebuffer\n", fbname);			goto release_fb;		}	}	else {		/* allocate coherent memory for the framebuffer */		w->fb_base = (unsigned long) dma_alloc_coherent(NULL, 
			w->fb_size, &w->fb_base_phys, GFP_KERNEL | GFP_DMA);
		if (!w->fb_base) {
			printk(KERN_ERR "%s: cannot allocate "
				"framebuffer\n", fbname);
			goto free_par;
		}
//		printk("Framebuffer allocated at 0x%lx, mapped to 0x%p, size %dk\n",
//	       w->fb_base_phys, w->fb_base, w->fb_size/1024);
	}		*win = w;	RETURN(0);release_fb:	if (!w->alloc_fb_mem)		release_mem_region(w->fb_base_phys, w->fb_size);free_par:	kfree(w);	RETURN(-ENOMEM);}static struct fb_info *init_fb_info(struct dm_win_info *w, 				    struct fb_var_screeninfo *var, char *id) //指針函數，初始化fb_info{	struct fb_info *info = &(w->info);	struct dm_info *dm = w->dm;	DBGENTER;//	printk("Entered the Davinci FB Init Routine\n");		/* initialize the fb_info structure */	info->flags = FBINFO_DEFAULT;	info->fbops = &dm64xxfb_ops;	info->screen_base = (char *)(w->fb_base);/* 	info->currcon = -1; */	info->pseudo_palette = w->pseudo_palette;	info->par = w;	/* Initialize variable screeninfo.	 * The variable screeninfo can be directly specified by the user	 * via an ioctl.	 */	memcpy(&info->var, var, sizeof(info->var));	info->var.activate = FB_ACTIVATE_NOW;	/* Initialize fixed screeninfo.	 * The fixed screeninfo cannot be directly specified by the user, but	 * it may change to reflect changes to the var info.	 */	strlcpy(info->fix.id, id, sizeof(info->fix.id));	info->fix.smem_start = w->fb_base_phys;	info->fix.line_length =			(info->var.xres_virtual*info->var.bits_per_pixel)/8;	info->fix.smem_len = w->fb_size;	info->fix.type = FB_TYPE_PACKED_PIXELS;	info->fix.visual = (info->var.bits_per_pixel <= 8) ?				FB_VISUAL_PSEUDOCOLOR: FB_VISUAL_TRUECOLOR;	info->fix.xpanstep = 0;	info->fix.ypanstep = 0;	info->fix.ywrapstep = 0;	info->fix.type_aux = 0;	info->fix.mmio_start = dm->mmio_base_phys;	info->fix.mmio_len = dm->mmio_size;	info->fix.accel = FB_ACCEL_NONE;				if(dmparams.output==LCDS)		{			info->fix.type_aux=1;							printk(" ====into LCD and set no interlaced\n");		}	DBGEXIT;	return info;}static void dm64xxfb_ntsc_composite_config(int on){	DBGENTER;	if (on) {		/* Reset video encoder module */		dispc_reg_out(VENC_VMOD, 0);				//寄存器的設置方法，可以照著寫其他的		/* Enable Composite output and start video encoder */		dispc_reg_out(VENC_VMOD, (VENC_VMOD_VIE | VENC_VMOD_VENC));			/* Set REC656 Mode */		dispc_reg_out(VENC_YCCCTL, 0x1);		/* Enable output mode and NTSC  */		dispc_reg_out(VENC_VMOD, 0x1003);		/* Enable all DACs  */		dispc_reg_out(VENC_DACTST, 0);	} 	else {		/* Reset video encoder module */		dispc_reg_out(VENC_VMOD, 0);	}	DBGEXIT;}static void dm64xxfb_ntsc_svideo_config(int on){	DBGENTER;	if (on) {		/* Reset video encoder module */		dispc_reg_out(VENC_VMOD, 0);		/* Enable Composite output and start video encoder */		dispc_reg_out(VENC_VMOD, (VENC_VMOD_VIE | VENC_VMOD_VENC));		/* Set REC656 Mode */		dispc_reg_out(VENC_YCCCTL, 0x1);		/* Enable output mode and NTSC  */		dispc_reg_out(VENC_VMOD, 0x1003);		/* Enable S-Video Output; DAC B: S-Video Y, DAC C: S-Video C  */		dispc_reg_out(VENC_DACSEL, 0x210);		/* Enable all DACs  */		dispc_reg_out(VENC_DACTST, 0);	}	else {		/* Reset video encoder module */		dispc_reg_out(VENC_VMOD, 0);	}	DBGEXIT;}static void dm64xxfb_ntsc_component_config(int on){	DBGENTER;	if (on) {		/* Reset video encoder module */		dispc_reg_out(VENC_VMOD, 0);		/* Enable Composite output and start video encoder */		dispc_reg_out(VENC_VMOD, (VENC_VMOD_VIE | VENC_VMOD_VENC));		/* Set REC656 Mode */		dispc_reg_out(VENC_YCCCTL, 0x1);		/* Enable output mode and NTSC  */		dispc_reg_out(VENC_VMOD, 0x1003);				/* Enable Component output; DAC A: Y, DAC B: Pb, DAC C: Pr  */		dispc_reg_out(VENC_DACSEL, 0x543);		/* Enable all DACs  */		dispc_reg_out(VENC_DACTST, 0);	}	else {		/* Reset video encoder module */		dispc_reg_out(VENC_VMOD, 0);	}	DBGEXIT;}static void dm64xxfb_pal_composite_config(int on){	DBGENTER;	if (on) {		/* Reset video encoder module */		dispc_reg_out(VENC_VMOD, 0);		/* Enable Composite output and start video encoder */		dispc_reg_out(VENC_VMOD, (VENC_VMOD_VIE | VENC_VMOD_VENC));		/* Set REC656 Mode */		dispc_reg_out(VENC_YCCCTL, 0x1);		/* Enable output mode and PAL  */		dispc_reg_out(VENC_VMOD, 0x1043);		/* Enable all DACs  */		dispc_reg_out(VENC_DACTST, 0);	}	else {		/* Reset video encoder module */		dispc_reg_out(VENC_VMOD, 0);	}	DBGEXIT;}static void dm64xxfb_pal_svideo_config(int on){	DBGENTER;	if (on) {		/* Reset video encoder module */		dispc_reg_out(VENC_VMOD, 0);		/* Enable Composite output and start video encoder */		dispc_reg_out(VENC_VMOD, (VENC_VMOD_VIE | VENC_VMOD_VENC));		/* Set REC656 Mode */		dispc_reg_out(VENC_YCCCTL, 0x1);		/* Enable output mode and PAL  */		dispc_reg_out(VENC_VMOD, 0x1043);    /* Enable S-Video Output; DAC B: S-Video Y, DAC C: S-Video C  */		dispc_reg_out(VENC_DACSEL, 0x210);		/* Enable all DACs  */		dispc_reg_out(VENC_DACTST, 0);	}	else {		/* Reset video encoder module */		dispc_reg_out(VENC_VMOD, 0);	}	DBGEXIT;}static void dm64xxfb_pal_component_config(int on){	DBGENTER;	if (on) {		/* Reset video encoder module */		dispc_reg_out(VENC_VMOD, 0);		/* Enable Composite output and start video encoder */		dispc_reg_out(VENC_VMOD, (VENC_VMOD_VIE | VENC_VMOD_VENC));		/* Set REC656 Mode */		dispc_reg_out(VENC_YCCCTL, 0x1);		/* Enable output mode and PAL  */		dispc_reg_out(VENC_VMOD, 0x1043);		/* Enable Component output; DAC A: Y, DAC B: Pb, DAC C: Pr  */		dispc_reg_out(VENC_DACSEL, 0x543);		/* Enable all DACs  */		dispc_reg_out(VENC_DACTST, 0);	}	else {		/* Reset video encoder module */		dispc_reg_out(VENC_VMOD, 0);	}	DBGEXIT;}

static void dm64xxfb_lcd_config(int on)       //配置Lcd輸出模式為RGB888
{
	if(on)
	{				/////////////////////////////// Reset video encoder module 		dispc_reg_out(VENC_VMOD, 0);				//寄存器的設置方法，可以照著寫其他的		// Enable Composite output and start video encoder 		dispc_reg_out(VENC_VMOD, (VENC_VMOD_VIE | VENC_VMOD_VENC));			// Set REC656 Mode 		dispc_reg_out(VENC_YCCCTL, 0x0);		// Enable output mode and NTSC  		//dispc_reg_out(VENC_VMOD, 0x1003);		// Enable all DACs  		dispc_reg_out(VENC_DACTST, 0xf000);//set  0 to display on small screen,f000, disenablr DAC///////////////////////////////////////		/*使能VPBE的時鐘,PCR.CLK_OFF=0 */
		dispc_reg_out(VPBE_PCR, 0);

		/*設置RGB輸出時的數字濾波器頻率、以及階數*/
		dispc_reg_out(VENC_RGBCTL,0x8400);

		/*設置RGBCLP寄存器 */
		dispc_reg_out(VENC_RGBCLP,0xff00);

		//讀入一個YCC＝>RGB轉化的矩陣系數，值應該是1404（十進制）
		printk("===================\nDRGBX1=    %d\n",(inl(VENC_ARGBX1)&0xffff));

		/*reset VENC*/
		dispc_reg_out(VENC_VMOD, 0);
		
		/* RGB888的引腳復用*//*
		PINMUX0|=(1<<23); //在PINMUX0中設置RGB888
		PINMUX0&=~(1<<25);
		PINMUX0&=~(1<<27);
		PINMUX0|=(1<<24);   //選通LCD_OE
		
		PINMUX1&=~(1<<5); //設置PINMUX1中的PWM1 為RGB888的輸出
		PINMUX1&=~(1<<6); //設置PINMUX1中的PWM2 為RGB888的輸出*/		dispc_reg_merge(PINMUX0,0xffffffff,1<<23);		dispc_reg_merge(PINMUX0,0x0,1<<25);		dispc_reg_merge(PINMUX0,0,1<<27);		dispc_reg_merge(PINMUX0,0xffffffff,1<<24);		dispc_reg_merge(PINMUX1,0,1<<5);		dispc_reg_merge(PINMUX1,0,1<<6);		
	
		/*使能VENC的時鐘，關閉DAC的時鐘，VENC的時鐘是27M */
	//	dispc_reg_out(VPSS_CLKCTL, 0x08);

		/*使能VENC */
		dispc_reg_out(VENC_VMOD, 0x1);		dispc_reg_out(VENC_HSTART,0x25);
		dispc_reg_out(VENC_HVALID,DISP_XRES);		dispc_reg_out(VENC_VVALID,DISP_YRES);