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git://nv-tegra.nvidia.com/linux-nv-oot.git
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28a1cfd1c1
Redesign DCE KMD drive state machine to handle new PM events. Bug 3583331 Change-Id: I89adcfa2f311a9a1e86b70e14821468203365266 Signed-off-by: Mahesh Kumar <mahkumar@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2673665 Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com> Reviewed-by: Arun Swain <arswain@nvidia.com> GVS: Gerrit_Virtual_Submit
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
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* Copyright (c) 2019-2022, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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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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