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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Framebuffer device registration for TI OMAP platforms
*
* Copyright (C) 2006 Nokia Corporation
* Author: Imre Deak <imre.deak@nokia.com>
*/
#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 "soc.h"
#include "display.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"),
};
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);
return PTR_ERR_OR_ZERO(pdev);
}
#else
int __init omap_init_vrfb(void) { return 0; }
#endif
#if IS_ENABLED(CONFIG_FB_OMAP2)
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,
};
int __init omap_init_fb(void)
{
return platform_device_register(&omap_fb_device);
}
#else
int __init omap_init_fb(void) { return 0; }
#endif
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