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1/*
2 * File: arch/arm/plat-omap/fb.c
3 *
4 * Framebuffer device registration for TI OMAP platforms
5 *
6 * Copyright (C) 2006 Nokia Corporation
7 * Author: Imre Deak <imre.deak@nokia.com>
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 */
23
24#include <linux/module.h>
25#include <linux/kernel.h>
26#include <linux/mm.h>
27#include <linux/init.h>
28#include <linux/platform_device.h>
29#include <linux/memblock.h>
30#include <linux/io.h>
31#include <linux/omapfb.h>
32#include <linux/dma-mapping.h>
33
34#include <asm/mach/map.h>
35
36#if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE)
37
38static bool omapfb_lcd_configured;
39static struct omapfb_platform_data omapfb_config;
40
41static u64 omap_fb_dma_mask = ~(u32)0;
42
43static struct platform_device omap_fb_device = {
44 .name = "omapfb",
45 .id = -1,
46 .dev = {
47 .dma_mask = &omap_fb_dma_mask,
48 .coherent_dma_mask = DMA_BIT_MASK(32),
49 .platform_data = &omapfb_config,
50 },
51 .num_resources = 0,
52};
53
54void __init omapfb_set_lcd_config(const struct omap_lcd_config *config)
55{
56 omapfb_config.lcd = *config;
57 omapfb_lcd_configured = true;
58}
59
60static int __init omap_init_fb(void)
61{
62 /*
63 * If the board file has not set the lcd config with
64 * omapfb_set_lcd_config(), don't bother registering the omapfb device
65 */
66 if (!omapfb_lcd_configured)
67 return 0;
68
69 return platform_device_register(&omap_fb_device);
70}
71
72arch_initcall(omap_init_fb);
73
74#else
75
76void __init omapfb_set_lcd_config(const struct omap_lcd_config *config)
77{
78}
79
80#endif