48 lines
		
	
	
		
			939 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			939 B
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright 2014 Freescale Semiconductor, Inc.
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|  *
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|  * FSL DCU Framebuffer driver
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|  *
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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 <fsl_dcu_fb.h>
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| #include "div64.h"
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| #include "../common/dcu_sii9022a.h"
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| unsigned int dcu_set_pixel_clock(unsigned int pixclock)
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| {
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| 	unsigned long long div;
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| 
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| 	div = (unsigned long long)(gd->bus_clk / 1000);
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| 	div *= (unsigned long long)pixclock;
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| 	do_div(div, 1000000000);
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| 
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| 	return div;
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| }
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| 
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| int platform_dcu_init(unsigned int xres, unsigned int yres,
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| 		      const char *port,
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| 		      struct fb_videomode *dcu_fb_videomode)
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| {
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| 	const char *name;
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| 	unsigned int pixel_format;
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| 
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| 	if (strncmp(port, "twr_lcd", 4) == 0) {
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| 		name = "TWR_LCD_RGB card";
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| 	} else {
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| 		name = "HDMI";
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| 		dcu_set_dvi_encoder(dcu_fb_videomode);
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| 	}
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| 
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| 	printf("DCU: Switching to %s monitor @ %ux%u\n", name, xres, yres);
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| 
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| 	pixel_format = 32;
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| 	fsl_dcu_init(xres, yres, pixel_format);
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| 
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| 	return 0;
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| }
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