/* 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 /** * 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); int dce_os_init_log_buffer(struct tegra_dce *d); void dce_os_deinit_log_buffer(struct tegra_dce *d); #endif /* DCE_OS_UTILS_H */