// SPDX-License-Identifier: GPL-2.0-or-later /* * File: arch/arm/plat-omap/fb.c * * Framebuffer device registration for TI OMAP platforms * * Copyright (C) 2006 Nokia Corporation * Author: Imre Deak <imre.deak@nokia.com> */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/memblock.h> #include <linux/io.h> #include <linux/omapfb.h> #include <linux/dma-mapping.h> #include <asm/mach/map.h> #if IS_ENABLED(CONFIG_FB_OMAP) static bool omapfb_lcd_configured; static struct omapfb_platform_data omapfb_config; static u64 omap_fb_dma_mask = ~(u32)0; static struct platform_device omap_fb_device = { .name = "omapfb", .id = -1, .dev = { .dma_mask = &omap_fb_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &omapfb_config, }, .num_resources = 0, }; void __init omapfb_set_lcd_config(const struct omap_lcd_config *config) { omapfb_config.lcd = *config; omapfb_lcd_configured = true; } static int __init omap_init_fb(void) { /* * If the board file has not set the lcd config with * omapfb_set_lcd_config(), don't bother registering the omapfb device */ if (!omapfb_lcd_configured) return 0; return platform_device_register(&omap_fb_device); } arch_initcall(omap_init_fb); #else void __init omapfb_set_lcd_config(const struct omap_lcd_config *config) { } #endif