1/*
2 * Framebuffer device registration for TI OMAP platforms
3 *
4 * Copyright (C) 2006 Nokia Corporation
5 * Author: Imre Deak <imre.deak@nokia.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
20 */
21
22#include <linux/module.h>
23#include <linux/kernel.h>
24#include <linux/mm.h>
25#include <linux/init.h>
26#include <linux/platform_device.h>
27#include <linux/memblock.h>
28#include <linux/io.h>
29#include <linux/omapfb.h>
30#include <linux/dma-mapping.h>
31
32#include <asm/mach/map.h>
33
34#include "soc.h"
35#include "display.h"
36
37#ifdef CONFIG_OMAP2_VRFB
38
39/*
40 * The first memory resource is the register region for VRFB,
41 * the rest are VRFB virtual memory areas for each VRFB context.
42 */
43
44static const struct resource omap2_vrfb_resources[] = {
45	DEFINE_RES_MEM_NAMED(0x68008000u, 0x40, "vrfb-regs"),
46	DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
47	DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
48	DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
49	DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
50};
51
52static const struct resource omap3_vrfb_resources[] = {
53	DEFINE_RES_MEM_NAMED(0x6C000180u, 0xc0, "vrfb-regs"),
54	DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
55	DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
56	DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
57	DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
58	DEFINE_RES_MEM_NAMED(0xe0000000u, 0x4000000, "vrfb-area-4"),
59	DEFINE_RES_MEM_NAMED(0xe4000000u, 0x4000000, "vrfb-area-5"),
60	DEFINE_RES_MEM_NAMED(0xe8000000u, 0x4000000, "vrfb-area-6"),
61	DEFINE_RES_MEM_NAMED(0xec000000u, 0x4000000, "vrfb-area-7"),
62	DEFINE_RES_MEM_NAMED(0xf0000000u, 0x4000000, "vrfb-area-8"),
63	DEFINE_RES_MEM_NAMED(0xf4000000u, 0x4000000, "vrfb-area-9"),
64	DEFINE_RES_MEM_NAMED(0xf8000000u, 0x4000000, "vrfb-area-10"),
65	DEFINE_RES_MEM_NAMED(0xfc000000u, 0x4000000, "vrfb-area-11"),
66};
67
68int __init omap_init_vrfb(void)
69{
70	struct platform_device *pdev;
71	const struct resource *res;
72	unsigned int num_res;
73
74	if (cpu_is_omap24xx()) {
75		res = omap2_vrfb_resources;
76		num_res = ARRAY_SIZE(omap2_vrfb_resources);
77	} else if (cpu_is_omap34xx()) {
78		res = omap3_vrfb_resources;
79		num_res = ARRAY_SIZE(omap3_vrfb_resources);
80	} else {
81		return 0;
82	}
83
84	pdev = platform_device_register_resndata(NULL, "omapvrfb", -1,
85			res, num_res, NULL, 0);
86
87	return PTR_ERR_OR_ZERO(pdev);
88}
89#else
90int __init omap_init_vrfb(void) { return 0; }
91#endif
92
93#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
94
95static u64 omap_fb_dma_mask = ~(u32)0;
96static struct omapfb_platform_data omapfb_config;
97
98static struct platform_device omap_fb_device = {
99	.name		= "omapfb",
100	.id		= -1,
101	.dev = {
102		.dma_mask		= &omap_fb_dma_mask,
103		.coherent_dma_mask	= DMA_BIT_MASK(32),
104		.platform_data		= &omapfb_config,
105	},
106	.num_resources = 0,
107};
108
109int __init omap_init_fb(void)
110{
111	return platform_device_register(&omap_fb_device);
112}
113#else
114int __init omap_init_fb(void) { return 0; }
115#endif
116