Files
linux-nv-oot/drivers/platform/tegra/dce/os/include/dce-os-utils.h
anupamg 2f69bee627 DCE-KMD: Update shared files licenses
- Updates licenses for DCE-KMD files that are shared with HVRTOS.
    - Update from GPL-2.0 to MIT as we use these files in both
      open source and closed source context.

JIRA TDS-16741

Change-Id: Icf7aeb737f2f3b294bb9ff9c36d5ed7220c13dea
Signed-off-by: anupamg <anupamg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3293404
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
2025-07-24 10:19:14 +00:00

68 lines
2.3 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* SPDX-FileCopyrightText: Copyright (c) 2019-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*
* 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.
*/
#ifndef DCE_OS_UTILS_H
#define DCE_OS_UTILS_H
#include <dce-os-types.h>
/**
* Do not add any more util functions to this file.
* We should add OS util functions to respective OS module files.
*/
struct tegra_dce;
void dce_os_writel(struct tegra_dce *d, u32 r, u32 v);
u32 dce_os_readl(struct tegra_dce *d, u32 r);
void dce_os_writel_check(struct tegra_dce *d, u32 r, u32 v);
bool dce_os_io_exists(struct tegra_dce *d);
bool dce_os_io_valid_reg(struct tegra_dce *d, u32 r);
struct dce_firmware *dce_os_request_firmware(struct tegra_dce *d,
const char *fw_name);
void dce_os_release_fw(struct tegra_dce *d, struct dce_firmware *fw);
void *dce_os_kzalloc(struct tegra_dce *d, size_t size, bool dma_flag);
void dce_os_kfree(struct tegra_dce *d, void *addr);
unsigned long dce_os_get_nxt_pow_of_2(unsigned long *addr, u8 nbits);
void dce_os_usleep_range(unsigned long min, unsigned long max);
void dce_os_bitmap_set(unsigned long *map,
unsigned int start, unsigned int len);
void dce_os_bitmap_clear(unsigned long *map,
unsigned int start, unsigned int len);
u8 dce_os_get_dce_stream_id(struct tegra_dce *d);
#endif /* DCE_OS_UTILS_H */