2 * File: arch/arm/plat-omap/fb.c
4 * Framebuffer device registration for TI OMAP platforms
6 * Copyright (C) 2006 Nokia Corporation
7 * Author: Imre Deak <imre.deak@nokia.com>
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.
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.
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.
24 #include <linux/module.h>
25 #include <linux/kernel.h>
27 #include <linux/init.h>
28 #include <linux/platform_device.h>
29 #include <linux/memblock.h>
31 #include <linux/omapfb.h>
32 #include <linux/dma-mapping.h>
34 #include <asm/mach/map.h>
38 #ifdef CONFIG_OMAP2_VRFB
41 * The first memory resource is the register region for VRFB,
42 * the rest are VRFB virtual memory areas for each VRFB context.
45 static const struct resource omap2_vrfb_resources[] = {
46 DEFINE_RES_MEM_NAMED(0x68008000u, 0x40, "vrfb-regs"),
47 DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
48 DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
49 DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
50 DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
53 static const struct resource omap3_vrfb_resources[] = {
54 DEFINE_RES_MEM_NAMED(0x6C000180u, 0xc0, "vrfb-regs"),
55 DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
56 DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
57 DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
58 DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
59 DEFINE_RES_MEM_NAMED(0xe0000000u, 0x4000000, "vrfb-area-4"),
60 DEFINE_RES_MEM_NAMED(0xe4000000u, 0x4000000, "vrfb-area-5"),
61 DEFINE_RES_MEM_NAMED(0xe8000000u, 0x4000000, "vrfb-area-6"),
62 DEFINE_RES_MEM_NAMED(0xec000000u, 0x4000000, "vrfb-area-7"),
63 DEFINE_RES_MEM_NAMED(0xf0000000u, 0x4000000, "vrfb-area-8"),
64 DEFINE_RES_MEM_NAMED(0xf4000000u, 0x4000000, "vrfb-area-9"),
65 DEFINE_RES_MEM_NAMED(0xf8000000u, 0x4000000, "vrfb-area-10"),
66 DEFINE_RES_MEM_NAMED(0xfc000000u, 0x4000000, "vrfb-area-11"),
69 static int __init omap_init_vrfb(void)
71 struct platform_device *pdev;
72 const struct resource *res;
75 if (cpu_is_omap24xx()) {
76 res = omap2_vrfb_resources;
77 num_res = ARRAY_SIZE(omap2_vrfb_resources);
78 } else if (cpu_is_omap34xx()) {
79 res = omap3_vrfb_resources;
80 num_res = ARRAY_SIZE(omap3_vrfb_resources);
85 pdev = platform_device_register_resndata(NULL, "omapvrfb", -1,
86 res, num_res, NULL, 0);
94 arch_initcall(omap_init_vrfb);
97 #if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE)
99 static bool omapfb_lcd_configured;
100 static struct omapfb_platform_data omapfb_config;
102 static u64 omap_fb_dma_mask = ~(u32)0;
104 static struct platform_device omap_fb_device = {
108 .dma_mask = &omap_fb_dma_mask,
109 .coherent_dma_mask = DMA_BIT_MASK(32),
110 .platform_data = &omapfb_config,
115 void __init omapfb_set_lcd_config(const struct omap_lcd_config *config)
117 omapfb_config.lcd = *config;
118 omapfb_lcd_configured = true;
121 static int __init omap_init_fb(void)
124 * If the board file has not set the lcd config with
125 * omapfb_set_lcd_config(), don't bother registering the omapfb device
127 if (!omapfb_lcd_configured)
130 return platform_device_register(&omap_fb_device);
133 arch_initcall(omap_init_fb);
135 #elif defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
137 static u64 omap_fb_dma_mask = ~(u32)0;
138 static struct omapfb_platform_data omapfb_config;
140 static struct platform_device omap_fb_device = {
144 .dma_mask = &omap_fb_dma_mask,
145 .coherent_dma_mask = DMA_BIT_MASK(32),
146 .platform_data = &omapfb_config,
151 static int __init omap_init_fb(void)
153 return platform_device_register(&omap_fb_device);
156 arch_initcall(omap_init_fb);
160 void __init omapfb_set_lcd_config(const struct omap_lcd_config *config)