mirror of
git://nv-tegra.nvidia.com/linux-nv-oot.git
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d4185fbe2e
Add a few microseconds delay between sending ipc-notify calls for IPC channel reset. IPC notify ACKs are asynchronous and sending notify when the previous ACK was still in progress will cause spurious interrupt/ACK signal and printout FSP state warnings. Bug 4069133 Change-Id: I20dff299149a66629dc23ab2a7cb7765eac1b4dc Signed-off-by: Mahesh Kumar <mahkumar@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2900570 Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com> Reviewed-by: Vinod Atyam <vatyam@nvidia.com> Reviewed-by: Bitan Biswas <bbiswas@nvidia.com> Tested-by: Vinod Atyam <vatyam@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2902404
59 lines
1.5 KiB
C
59 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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void dce_usleep_range(unsigned long min, unsigned long max);
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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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