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_RET(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