81 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * File: arch/arm/plat-omap/fb.c
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|  *
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|  * Framebuffer device registration for TI OMAP platforms
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|  *
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|  * Copyright (C) 2006 Nokia Corporation
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|  * Author: Imre Deak <imre.deak@nokia.com>
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|  *
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|  * This program is free software; you can redistribute it and/or modify it
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|  * under the terms of the GNU General Public License as published by the
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|  * Free Software Foundation; either version 2 of the License, or (at your
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|  * option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful, but
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|  * WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License along
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|  * with this program; if not, write to the Free Software Foundation, Inc.,
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|  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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|  */
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| 
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| #include <linux/module.h>
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| #include <linux/kernel.h>
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| #include <linux/mm.h>
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| #include <linux/init.h>
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| #include <linux/platform_device.h>
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| #include <linux/memblock.h>
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| #include <linux/io.h>
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| #include <linux/omapfb.h>
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| #include <linux/dma-mapping.h>
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| 
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| #include <asm/mach/map.h>
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| 
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| #if IS_ENABLED(CONFIG_FB_OMAP)
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| 
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| static bool omapfb_lcd_configured;
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| static struct omapfb_platform_data omapfb_config;
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| 
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| static u64 omap_fb_dma_mask = ~(u32)0;
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| 
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| static struct platform_device omap_fb_device = {
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| 	.name		= "omapfb",
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| 	.id		= -1,
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| 	.dev = {
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| 		.dma_mask		= &omap_fb_dma_mask,
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| 		.coherent_dma_mask	= DMA_BIT_MASK(32),
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| 		.platform_data		= &omapfb_config,
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| 	},
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| 	.num_resources = 0,
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| };
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| 
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| void __init omapfb_set_lcd_config(const struct omap_lcd_config *config)
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| {
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| 	omapfb_config.lcd = *config;
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| 	omapfb_lcd_configured = true;
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| }
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| 
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| static int __init omap_init_fb(void)
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| {
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| 	/*
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| 	 * If the board file has not set the lcd config with
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| 	 * omapfb_set_lcd_config(), don't bother registering the omapfb device
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| 	 */
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| 	if (!omapfb_lcd_configured)
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| 		return 0;
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| 
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| 	return platform_device_register(&omap_fb_device);
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| }
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| 
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| arch_initcall(omap_init_fb);
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| 
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| #else
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| 
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| void __init omapfb_set_lcd_config(const struct omap_lcd_config *config)
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| {
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| }
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| 
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| #endif
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