mirror of
https://github.com/NVIDIA/open-gpu-kernel-modules.git
synced 2026-01-27 11:39:46 +00:00
84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
/*
|
|
* SPDX-FileCopyrightText: Copyright (c) 2020-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
|
|
* SPDX-License-Identifier: MIT
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#define __NO_VERSION__
|
|
|
|
#include "os-interface.h"
|
|
#include "nv-linux.h"
|
|
|
|
#if defined(NV_LINUX_NVHOST_H_PRESENT) && defined(NV_LINUX_HOST1X_NEXT_H_PRESENT)
|
|
#include <linux/host1x-next.h>
|
|
#include <linux/nvhost.h>
|
|
#if defined(NV_LINUX_NVHOST_T194_H_PRESENT)
|
|
#include <linux/nvhost_t194.h>
|
|
#endif
|
|
|
|
NV_STATUS nv_get_syncpoint_aperture
|
|
(
|
|
NvU32 syncpointId,
|
|
NvU64 *physAddr,
|
|
NvU64 *limit,
|
|
NvU32 *offset
|
|
)
|
|
{
|
|
struct platform_device *host1x_pdev;
|
|
phys_addr_t base;
|
|
struct host1x *host1x;
|
|
NvU32 stride;
|
|
NvU32 num_syncpts;
|
|
NvS32 ret;
|
|
|
|
host1x_pdev = nvhost_get_default_device();
|
|
if (host1x_pdev == NULL)
|
|
{
|
|
return NV_ERR_INVALID_DEVICE;
|
|
}
|
|
|
|
host1x = platform_get_drvdata(host1x_pdev);
|
|
ret = host1x_syncpt_get_shim_info(host1x, &base, &stride, &num_syncpts);
|
|
if ((ret != 0) || (syncpointId >= num_syncpts))
|
|
{
|
|
return NV_ERR_INVALID_DATA;
|
|
}
|
|
|
|
*physAddr = base;
|
|
*limit = stride;
|
|
*offset = stride * syncpointId;
|
|
|
|
return NV_OK;
|
|
}
|
|
#else
|
|
|
|
NV_STATUS nv_get_syncpoint_aperture
|
|
(
|
|
NvU32 syncpointId,
|
|
NvU64 *physAddr,
|
|
NvU64 *limit,
|
|
NvU32 *offset
|
|
)
|
|
{
|
|
return NV_ERR_NOT_SUPPORTED;
|
|
}
|
|
#endif
|
|
|