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c89da8defd
- Allocate DMA mapped buffer from DCE-KMD and pass it to DCE FW through admin-cmd calls. - Add debugfs node to retrieve buffer data and print through seq file. - Add support to clear log buffer JIRA TDS-15963 Change-Id: Ied4ffe1df14c8db61cfe15e6442f55e8306530b8 Signed-off-by: jaiyasha <jaiyasha@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3117241 GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com> Reviewed-by: Mahesh Kumar <mahkumar@nvidia.com> Tested-by: Mahesh Kumar <mahkumar@nvidia.com> Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* SPDX-FileCopyrightText: Copyright (c) 2019-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef DCE_OS_UTILS_H
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#define DCE_OS_UTILS_H
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#include <dce-os-types.h>
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/**
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* Do not add any more util functions to this file.
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* We should add OS util functions to respective OS module files.
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*/
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struct tegra_dce;
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void dce_os_writel(struct tegra_dce *d, u32 r, u32 v);
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u32 dce_os_readl(struct tegra_dce *d, u32 r);
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void dce_os_writel_check(struct tegra_dce *d, u32 r, u32 v);
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bool dce_os_io_exists(struct tegra_dce *d);
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bool dce_os_io_valid_reg(struct tegra_dce *d, u32 r);
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struct dce_firmware *dce_os_request_firmware(struct tegra_dce *d,
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const char *fw_name);
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void dce_os_release_fw(struct tegra_dce *d, struct dce_firmware *fw);
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void *dce_os_kzalloc(struct tegra_dce *d, size_t size, bool dma_flag);
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void dce_os_kfree(struct tegra_dce *d, void *addr);
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unsigned long dce_os_get_nxt_pow_of_2(unsigned long *addr, u8 nbits);
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void dce_os_usleep_range(unsigned long min, unsigned long max);
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void dce_os_bitmap_set(unsigned long *map,
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unsigned int start, unsigned int len);
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void dce_os_bitmap_clear(unsigned long *map,
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unsigned int start, unsigned int len);
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u8 dce_os_get_dce_stream_id(struct tegra_dce *d);
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int dce_os_init_log_buffer(struct tegra_dce *d);
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void dce_os_deinit_log_buffer(struct tegra_dce *d);
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#endif /* DCE_OS_UTILS_H */
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