mirror of
git://nv-tegra.nvidia.com/linux-nv-oot.git
synced 2025-12-24 10:11:26 +03:00
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
|
|
/*
|
|
* Copyright (c) 2016-2023, NVIDIA CORPORATION. All rights reserved.
|
|
*/
|
|
|
|
#define pr_fmt(fmt) "nvmap: %s() " fmt, __func__
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/of.h>
|
|
#include <linux/of_reserved_mem.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/nvmap_t19x.h>
|
|
#include <linux/kobject.h>
|
|
#include <linux/debugfs.h>
|
|
#include <linux/sysfs.h>
|
|
#include <linux/io.h>
|
|
|
|
#include "nvmap_priv.h"
|
|
|
|
int nvmap_register_cvsram_carveout(struct device *dma_dev,
|
|
phys_addr_t base, size_t size, int (*busy)(void),
|
|
int (*idle)(void))
|
|
{
|
|
static struct nvmap_platform_carveout cvsram = {
|
|
.name = "cvsram",
|
|
.usage_mask = NVMAP_HEAP_CARVEOUT_CVSRAM,
|
|
.disable_dynamic_dma_map = true,
|
|
.no_cpu_access = true,
|
|
};
|
|
|
|
cvsram.pm_ops.busy = busy;
|
|
cvsram.pm_ops.idle = idle;
|
|
|
|
if (!base || !size || (base != PAGE_ALIGN(base)) ||
|
|
(size != PAGE_ALIGN(size)))
|
|
return -EINVAL;
|
|
cvsram.base = base;
|
|
cvsram.size = size;
|
|
|
|
cvsram.dma_dev = &cvsram.dev;
|
|
return nvmap_create_carveout(&cvsram);
|
|
}
|
|
EXPORT_SYMBOL(nvmap_register_cvsram_carveout);
|