67 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			67 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * SPDX-License-Identifier:	GPL-2.0+
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|  */
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| 
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| #include <common.h>
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| #include <linux/errno.h>
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| #include <asm/mach-imx/video.h>
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| 
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| int board_video_skip(void)
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| {
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| 	int i;
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| 	int ret;
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| 	char const *panel = env_get("panel");
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| 
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| 	if (!panel) {
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| 		for (i = 0; i < display_count; i++) {
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| 			struct display_info_t const *dev = displays+i;
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| 			if (dev->detect && dev->detect(dev)) {
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| 				panel = dev->mode.name;
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| 				printf("auto-detected panel %s\n", panel);
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| 				break;
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| 			}
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| 		}
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| 		if (!panel) {
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| 			panel = displays[0].mode.name;
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| 			printf("No panel detected: default to %s\n", panel);
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| 			i = 0;
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| 		}
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| 	} else {
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| 		for (i = 0; i < display_count; i++) {
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| 			if (!strcmp(panel, displays[i].mode.name))
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| 				break;
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| 		}
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| 	}
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| 
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| 	if (i < display_count) {
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| 		ret = ipuv3_fb_init(&displays[i].mode, displays[i].di ? 1 : 0,
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| 				    displays[i].pixfmt);
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| 		if (!ret) {
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| 			if (displays[i].enable)
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| 				displays[i].enable(displays + i);
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| 
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| 			printf("Display: %s (%ux%u)\n",
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| 			       displays[i].mode.name,
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| 			       displays[i].mode.xres,
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| 			       displays[i].mode.yres);
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| 		} else
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| 			printf("LCD %s cannot be configured: %d\n",
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| 			       displays[i].mode.name, ret);
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| 	} else {
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| 		printf("unsupported panel %s\n", panel);
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| 		return -EINVAL;
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| 	}
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| 
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| 	return 0;
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| }
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| 
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| #ifdef CONFIG_IMX_HDMI
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| #include <asm/arch/mxc_hdmi.h>
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| #include <asm/io.h>
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| int detect_hdmi(struct display_info_t const *dev)
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| {
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| 	struct hdmi_regs *hdmi	= (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
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| 	return readb(&hdmi->phy_stat0) & HDMI_DVI_STAT;
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| }
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| #endif
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