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102 lines
2.9 KiB
102 lines
2.9 KiB
// 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 <[email protected]> |
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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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