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2f69bee627
- Updates licenses for DCE-KMD files that are shared with HVRTOS.
- Update from GPL-2.0 to MIT as we use these files in both
open source and closed source context.
JIRA TDS-16741
Change-Id: Icf7aeb737f2f3b294bb9ff9c36d5ed7220c13dea
Signed-off-by: anupamg <anupamg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3293404
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
82 lines
2.9 KiB
C
82 lines
2.9 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* SPDX-FileCopyrightText: Copyright (c) 2019-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef DCE_CLIENT_IPC_INTERNAL_H
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#define DCE_CLIENT_IPC_INTERNAL_H
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#include <linux/platform/tegra/dce/dce-client-ipc.h>
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#include <dce-os-atomic.h>
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#include <dce-os-work.h>
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/**
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* struct tegra_dce_client_ipc - Data Structure to hold client specific ipc
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* data pertaining to IPC type
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*
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* @valid : Tells if the client ipc data held by data structure is valid
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* @data : Pointer to any specific data passed by client during registration
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* for corresponding IPC type
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* @type : Corresponding IPC type as defined in CPU driver
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* @handle : Corresponding handle allocated for client during registration
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* @int_type : IPC interface type for above IPC type as defined in CPU driver
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* @d : pointer to OS agnostic dce struct. Stores all runtime info for dce
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* cluster elements
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* @recv_wait : wait condition variable used for IPC synchronization
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* @callback_fn : function pointer to the callback function passed by the
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* client during registration
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*/
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struct tegra_dce_client_ipc {
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bool valid;
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void *data;
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uint32_t type;
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uint32_t handle;
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uint32_t int_type;
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struct tegra_dce *d;
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struct dce_wait_cond recv_wait;
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tegra_dce_client_ipc_callback_t callback_fn;
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};
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#define DCE_MAX_ASYNC_WORK 8
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struct dce_async_work {
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struct tegra_dce *d;
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dce_os_work_handle_t async_event_work;
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dce_os_atomic_t in_use;
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};
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/**
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* @async_event_wq - Workqueue to process async events from DCE
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*/
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struct tegra_dce_async_ipc_info {
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dce_os_wq_handle_t async_event_wq;
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struct dce_async_work work[DCE_MAX_ASYNC_WORK];
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};
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void dce_client_ipc_wakeup(struct tegra_dce *d, u32 ch_type);
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int dce_client_ipc_wait(struct tegra_dce *d, u32 ch_type);
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int dce_client_init(struct tegra_dce *d);
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void dce_client_deinit(struct tegra_dce *d);
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#endif
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