mirror of
git://nv-tegra.nvidia.com/linux-nv-oot.git
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b20c5f57e3
Use SPDX license GPL-V2.0 format and change Nvidia copyright year to include 2023. Bug 4078035 Change-Id: Icc0060431eb8d9c470a44f4cee50913cc1d8048a Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2890656 Reviewed-by: svcacv <svcacv@nvidia.com> Reviewed-by: Arun Swain <arswain@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2019-2023, NVIDIA CORPORATION. All rights reserved.
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*/
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#ifndef DCE_UTIL_COMMON_H
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#define DCE_UTIL_COMMON_H
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#include <linux/types.h>
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#include <linux/bitops.h>
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#include <linux/bitmap.h>
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#include <linux/workqueue.h>
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/**
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* This file contains all dce common fucntions and data strutcures which are
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* abstarcted out from the operating system. The underlying OS layer will
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* implement the pertinent low level details. This design is to make sure that
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* dce cpu driver can be leveraged across multiple OSes if the neede arises.
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*/
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struct tegra_dce;
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void dce_writel(struct tegra_dce *d, u32 r, u32 v);
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u32 dce_readl(struct tegra_dce *d, u32 r);
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void dce_writel_check(struct tegra_dce *d, u32 r, u32 v);
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bool dce_io_exists(struct tegra_dce *d);
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bool dce_io_valid_reg(struct tegra_dce *d, u32 r);
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struct dce_firmware *dce_request_firmware(struct tegra_dce *d,
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const char *fw_name);
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void dce_release_fw(struct tegra_dce *d, struct dce_firmware *fw);
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void *dce_kzalloc(struct tegra_dce *d, size_t size, bool dma_flag);
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void dce_kfree(struct tegra_dce *d, void *addr);
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unsigned long dce_get_nxt_pow_of_2(unsigned long *addr, u8 nbits);
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static inline void dce_bitmap_set(unsigned long *map,
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unsigned int start, unsigned int len)
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{
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bitmap_set(map, start, (int)len);
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}
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static inline void dce_bitmap_clear(unsigned long *map,
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unsigned int start, unsigned int len)
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{
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bitmap_clear(map, start, (int)len);
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}
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#endif
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