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/*
* File: arch/arm/plat-omap/fb.c
*
* Framebuffer device registration for TI OMAP platforms
*
* Copyright (C) 2006 Nokia Corporation
* Author: Imre Deak <imre.deak@nokia.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/memblock.h>
#include <linux/io.h>
#include <linux/omapfb.h>
#include <linux/dma-mapping.h>
#include <asm/mach/map.h>
#include <plat/cpu.h>
#ifdef CONFIG_OMAP2_VRFB
/*
* The first memory resource is the register region for VRFB,
* the rest are VRFB virtual memory areas for each VRFB context.
*/
static const struct resource omap2_vrfb_resources[] = {
DEFINE_RES_MEM_NAMED(0x68008000u, 0x40, "vrfb-regs"),
DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
};
static const struct resource omap3_vrfb_resources[] = {
DEFINE_RES_MEM_NAMED(0x6C000180u, 0xc0, "vrfb-regs"),
DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
DEFINE_RES_MEM_NAMED(0xe0000000u, 0x4000000, "vrfb-area-4"),
DEFINE_RES_MEM_NAMED(0xe4000000u, 0x4000000, "vrfb-area-5"),
DEFINE_RES_MEM_NAMED(0xe8000000u, 0x4000000, "vrfb-area-6"),
DEFINE_RES_MEM_NAMED(0xec000000u, 0x4000000, "vrfb-area-7"),
DEFINE_RES_MEM_NAMED(0xf0000000u, 0x4000000, "vrfb-area-8"),
DEFINE_RES_MEM_NAMED(0xf4000000u, 0x4000000, "vrfb-area-9"),
DEFINE_RES_MEM_NAMED(0xf8000000u, 0x4000000, "vrfb-area-10"),
DEFINE_RES_MEM_NAMED(0xfc000000u, 0x4000000, "vrfb-area-11"),
};
static int __init omap_init_vrfb(void)
{
struct platform_device *pdev;
const struct resource *res;
unsigned int num_res;
if (cpu_is_omap24xx()) {
res = omap2_vrfb_resources;
num_res = ARRAY_SIZE(omap2_vrfb_resources);
} else if (cpu_is_omap34xx()) {
res = omap3_vrfb_resources;
num_res = ARRAY_SIZE(omap3_vrfb_resources);
} else {
return 0;
}
pdev = platform_device_register_resndata(NULL, "omapvrfb", -1,
res, num_res, NULL, 0);
if (IS_ERR(pdev))
return PTR_ERR(pdev);
else
return 0;
}
arch_initcall(omap_init_vrfb);
#endif
#if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE)
static bool omapfb_lcd_configured;
static struct omapfb_platform_data omapfb_config;
static u64 omap_fb_dma_mask = ~(u32)0;
static struct platform_device omap_fb_device = {
.name = "omapfb",
.id = -1,
.dev = {
.dma_mask = &omap_fb_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &omapfb_config,
},
.num_resources = 0,
};
void __init omapfb_set_lcd_config(const struct omap_lcd_config *config)
{
omapfb_config.lcd = *config;
omapfb_lcd_configured = true;
}
static int __init omap_init_fb(void)
{
/*
* If the board file has not set the lcd config with
* omapfb_set_lcd_config(), don't bother registering the omapfb device
*/
if (!omapfb_lcd_configured)
return 0;
return platform_device_register(&omap_fb_device);
}
arch_initcall(omap_init_fb);
#elif defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
static u64 omap_fb_dma_mask = ~(u32)0;
static struct omapfb_platform_data omapfb_config;
static struct platform_device omap_fb_device = {
.name = "omapfb",
.id = -1,
.dev = {
.dma_mask = &omap_fb_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &omapfb_config,
},
.num_resources = 0,
};
static int __init omap_init_fb(void)
{
return platform_device_register(&omap_fb_device);
}
arch_initcall(omap_init_fb);
#else
void __init omapfb_set_lcd_config(const struct omap_lcd_config *config)
{
}
#endif
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