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e8b7a5ca26
Use SPDX license GPL-V2.0 format and change Nvidia copyright year to include 2023. Bug 4078035 Change-Id: I4db6577ddb806690f6ec04f5eaf1364578102d14 Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2890635 Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com> Reviewed-by: Ketan Patil <ketanp@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2016-2023, NVIDIA CORPORATION. All rights reserved.
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*/
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#define pr_fmt(fmt) "nvmap: %s() " fmt, __func__
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/of_reserved_mem.h>
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#include <linux/platform_device.h>
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#include <linux/nvmap_t19x.h>
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#include <linux/kobject.h>
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#include <linux/debugfs.h>
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#include <linux/sysfs.h>
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#include <linux/io.h>
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#include "nvmap_priv.h"
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int nvmap_register_cvsram_carveout(struct device *dma_dev,
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phys_addr_t base, size_t size, int (*busy)(void),
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int (*idle)(void))
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{
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static struct nvmap_platform_carveout cvsram = {
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.name = "cvsram",
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.usage_mask = NVMAP_HEAP_CARVEOUT_CVSRAM,
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.disable_dynamic_dma_map = true,
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.no_cpu_access = true,
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};
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cvsram.pm_ops.busy = busy;
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cvsram.pm_ops.idle = idle;
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if (!base || !size || (base != PAGE_ALIGN(base)) ||
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(size != PAGE_ALIGN(size)))
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return -EINVAL;
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cvsram.base = base;
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cvsram.size = size;
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cvsram.dma_dev = &cvsram.dev;
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return nvmap_create_carveout(&cvsram);
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}
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EXPORT_SYMBOL(nvmap_register_cvsram_carveout);
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