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090b44a9f1
Add change to host1x-fence kernel module to support its functionality over host1x-emu driver. Jira HOSTX-5818 Change-Id: I09c7f2ee2059e0eeee11429b059c5152ffd855d5 Signed-off-by: amitabhd <amitabhd@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3285249 Reviewed-by: svcacv <svcacv@nvidia.com> GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
86 lines
3.1 KiB
C
86 lines
3.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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// SPDX-FileCopyrightText: Copyright (c) 2024-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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#ifndef __LINUX_HOST1X_H
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#define __LINUX_HOST1X_H
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#include <linux/device.h>
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#include <linux/dma-direction.h>
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#include <linux/dma-fence.h>
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#include <linux/spinlock.h>
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#include <linux/timekeeping.h>
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#include <linux/types.h>
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#include <linux/symbol-emu.h>
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/**
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* TODO: Remove header after pre-silicon verification
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* This header is required till emulation driver verification is done on Tho-r
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* VDK platform. Since we are exporting new kernel symbol, header with declarion
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* of modified symbols is required
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*
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* Changed cannot be added in orignal Host1x driver header files ("linux/nvhost.h"
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* and "host1x-next.h") due to Host1x driver and other dependent drivers. Note in
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* Tho-r verification config both the driver will co-exist.
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*
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* Some data structure are also re-delacred in this header for case where client
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* driver wants to verify over emulation driver.
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*/
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/*
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* host1x syncpoints
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*/
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#define HOST1X_SYNCPT_CLIENT_MANAGED (1 << 0)
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#define HOST1X_SYNCPT_HAS_BASE (1 << 1)
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#define HOST1X_SYNCPT_GPU (1 << 2)
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struct host1x;
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struct host1x_syncpt;
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HOST1X_EMU_EXPORT_DECL(u64, host1x_get_dma_mask(struct host1x *host1x));
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HOST1X_EMU_EXPORT_DECL(struct host1x_syncpt*, host1x_syncpt_get_by_id(
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struct host1x *host, u32 id));
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HOST1X_EMU_EXPORT_DECL(struct host1x_syncpt*, host1x_syncpt_get_by_id_noref(
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struct host1x *host, u32 id));
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HOST1X_EMU_EXPORT_DECL(struct host1x_syncpt*, host1x_syncpt_get(
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struct host1x_syncpt *sp));
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HOST1X_EMU_EXPORT_DECL(u32, host1x_syncpt_id(struct host1x_syncpt *sp));
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HOST1X_EMU_EXPORT_DECL(u32, host1x_syncpt_read_min(struct host1x_syncpt *sp));
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HOST1X_EMU_EXPORT_DECL(u32, host1x_syncpt_read_max(struct host1x_syncpt *sp));
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HOST1X_EMU_EXPORT_DECL(u32, host1x_syncpt_read(struct host1x_syncpt *sp));
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HOST1X_EMU_EXPORT_DECL(int, host1x_syncpt_incr(struct host1x_syncpt *sp));
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HOST1X_EMU_EXPORT_DECL(u32, host1x_syncpt_incr_max(struct host1x_syncpt *sp,
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u32 incrs));
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HOST1X_EMU_EXPORT_DECL(void, host1x_syncpt_fence_scan(struct host1x_syncpt *sp));
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HOST1X_EMU_EXPORT_DECL(int, host1x_syncpt_wait_ts(struct host1x_syncpt *sp,
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u32 thresh, long timeout, u32 *value, ktime_t *ts));
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HOST1X_EMU_EXPORT_DECL(int, host1x_syncpt_wait(struct host1x_syncpt *sp,
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u32 thresh, long timeout, u32 *value));
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HOST1X_EMU_EXPORT_DECL(void, host1x_syncpt_put(struct host1x_syncpt *sp));
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HOST1X_EMU_EXPORT_DECL(struct host1x_syncpt*, host1x_syncpt_alloc(struct host1x *host,
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unsigned long flags,
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const char *name));
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HOST1X_EMU_EXPORT_DECL(struct dma_fence*, host1x_fence_create(struct host1x_syncpt *sp, u32 threshold,
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bool timeout));
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HOST1X_EMU_EXPORT_DECL(int, host1x_fence_extract(struct dma_fence *fence, u32 *id, u32 *threshold));
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HOST1X_EMU_EXPORT_DECL(int, host1x_fence_get_node(struct dma_fence *fence));
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HOST1X_EMU_EXPORT_DECL(void, host1x_fence_cancel(struct dma_fence *fence));
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#endif
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