blob: 26e28e94f62582d09b77134aca1ec2533b148856 [file] [log] [blame]
Tony Lindgrenc40fae952006-12-07 13:58:10 -08001/*
Tony Lindgrenc40fae952006-12-07 13:58:10 -08002 * 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
Tony Lindgren0dc5e772006-04-02 17:46:26 +010022#include <linux/module.h>
23#include <linux/kernel.h>
Andrea Righi27ac7922008-07-23 21:28:13 -070024#include <linux/mm.h>
Tony Lindgren0dc5e772006-04-02 17:46:26 +010025#include <linux/init.h>
26#include <linux/platform_device.h>
Russell King98864ff2010-05-22 23:59:11 +010027#include <linux/memblock.h>
Russell Kingfced80c2008-09-06 12:10:45 +010028#include <linux/io.h>
Tomi Valkeinen91773a02009-08-03 15:06:36 +030029#include <linux/omapfb.h>
Tomi Valkeinen3f5ba552012-11-09 15:41:21 +020030#include <linux/dma-mapping.h>
Tony Lindgren0dc5e772006-04-02 17:46:26 +010031
Tony Lindgren0dc5e772006-04-02 17:46:26 +010032#include <asm/mach/map.h>
33
Tony Lindgren16d60bb2012-12-16 11:39:40 -080034#include "soc.h"
Archit Tanejafc8df752013-09-16 12:48:30 +053035#include "display.h"
Tomi Valkeinen406c8562012-10-08 14:35:44 +030036
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
Archit Tanejafc8df752013-09-16 12:48:30 +053068int __init omap_init_vrfb(void)
Tomi Valkeinen406c8562012-10-08 14:35:44 +030069{
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
Thomas Meyer12616742013-06-01 11:44:44 +020087 return PTR_RET(pdev);
Tomi Valkeinen406c8562012-10-08 14:35:44 +030088}
Archit Tanejafc8df752013-09-16 12:48:30 +053089#else
90int __init omap_init_vrfb(void) { return 0; }
Tomi Valkeinen406c8562012-10-08 14:35:44 +030091#endif
92
Tony Lindgren16d60bb2012-12-16 11:39:40 -080093#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
Tomi Valkeinenb39a982d2009-08-04 16:12:50 +030094
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,
Tomi Valkeinen3f5ba552012-11-09 15:41:21 +0200103 .coherent_dma_mask = DMA_BIT_MASK(32),
Tomi Valkeinenb39a982d2009-08-04 16:12:50 +0300104 .platform_data = &omapfb_config,
105 },
106 .num_resources = 0,
107};
108
Archit Tanejafc8df752013-09-16 12:48:30 +0530109int __init omap_init_fb(void)
Tomi Valkeinenb39a982d2009-08-04 16:12:50 +0300110{
111 return platform_device_register(&omap_fb_device);
112}
Archit Tanejafc8df752013-09-16 12:48:30 +0530113#else
114int __init omap_init_fb(void) { return 0; }
Tony Lindgren0dc5e772006-04-02 17:46:26 +0100115#endif