mirror of https://gitee.com/openkylin/linux.git
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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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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#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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#include <asm/mach/map.h>
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#if IS_ENABLED(CONFIG_FB_OMAP)
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static bool omapfb_lcd_configured;
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static struct omapfb_platform_data omapfb_config;
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static u64 omap_fb_dma_mask = ~(u32)0;
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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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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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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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return platform_device_register(&omap_fb_device);
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}
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arch_initcall(omap_init_fb);
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#else
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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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#endif
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