103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Framebuffer device registration for TI OMAP platforms
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*
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* Copyright (C) 2006 Nokia Corporation
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* Author: Imre Deak <imre.deak@nokia.com>
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/mm.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/memblock.h>
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#include <linux/io.h>
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#include <linux/omapfb.h>
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#include <linux/dma-mapping.h>
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#include <asm/mach/map.h>
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#include "soc.h"
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#include "display.h"
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#ifdef CONFIG_OMAP2_VRFB
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/*
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* The first memory resource is the register region for VRFB,
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* the rest are VRFB virtual memory areas for each VRFB context.
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*/
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static const struct resource omap2_vrfb_resources[] = {
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DEFINE_RES_MEM_NAMED(0x68008000u, 0x40, "vrfb-regs"),
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DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
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DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
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DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
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DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
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};
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static const struct resource omap3_vrfb_resources[] = {
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DEFINE_RES_MEM_NAMED(0x6C000180u, 0xc0, "vrfb-regs"),
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DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
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DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
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DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
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DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
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DEFINE_RES_MEM_NAMED(0xe0000000u, 0x4000000, "vrfb-area-4"),
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DEFINE_RES_MEM_NAMED(0xe4000000u, 0x4000000, "vrfb-area-5"),
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DEFINE_RES_MEM_NAMED(0xe8000000u, 0x4000000, "vrfb-area-6"),
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DEFINE_RES_MEM_NAMED(0xec000000u, 0x4000000, "vrfb-area-7"),
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DEFINE_RES_MEM_NAMED(0xf0000000u, 0x4000000, "vrfb-area-8"),
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DEFINE_RES_MEM_NAMED(0xf4000000u, 0x4000000, "vrfb-area-9"),
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DEFINE_RES_MEM_NAMED(0xf8000000u, 0x4000000, "vrfb-area-10"),
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DEFINE_RES_MEM_NAMED(0xfc000000u, 0x4000000, "vrfb-area-11"),
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};
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int __init omap_init_vrfb(void)
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{
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struct platform_device *pdev;
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const struct resource *res;
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unsigned int num_res;
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if (cpu_is_omap24xx()) {
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res = omap2_vrfb_resources;
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num_res = ARRAY_SIZE(omap2_vrfb_resources);
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} else if (cpu_is_omap34xx()) {
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res = omap3_vrfb_resources;
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num_res = ARRAY_SIZE(omap3_vrfb_resources);
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} else {
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return 0;
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}
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pdev = platform_device_register_resndata(NULL, "omapvrfb", -1,
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res, num_res, NULL, 0);
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return PTR_ERR_OR_ZERO(pdev);
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}
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#else
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int __init omap_init_vrfb(void) { return 0; }
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#endif
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#if IS_ENABLED(CONFIG_FB_OMAP2)
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static u64 omap_fb_dma_mask = ~(u32)0;
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static struct omapfb_platform_data omapfb_config;
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static struct platform_device omap_fb_device = {
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.name = "omapfb",
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.id = -1,
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.dev = {
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.dma_mask = &omap_fb_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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.platform_data = &omapfb_config,
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},
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.num_resources = 0,
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};
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int __init omap_init_fb(void)
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{
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return platform_device_register(&omap_fb_device);
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}
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#else
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int __init omap_init_fb(void) { return 0; }
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#endif
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