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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>
79 lines
2.9 KiB
C
79 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_MAILBOX_H
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#define DCE_MAILBOX_H
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struct tegra_dce;
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#define DCE_MAILBOX_BOOT_INTERFACE 0U
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#define DCE_MAILBOX_ADMIN_INTERFACE 1U
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#define DCE_MAILBOX_DISPRM_INTERFACE 2U
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#define DCE_MAILBOX_DISPRM_NOTIFY_INTERFACE 3U
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#define DCE_MAILBOX_MAX_INTERFACES 4U
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/**
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* struct dce_mailbox_interface - Contains dce mailbox interface state info
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*
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* @lock : dce_os_mutext for this mailbox interface.
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* @state : Stores the current status of the mailbox interface.
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* @ack_value : Stores the response received from dce f/w on an interface.
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* @s_mb : mailbox used to send commands to DCE CCPLEX for this interface.
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* @r_mb : mailbox used to receive commands from DCE for this interface.
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* @valid : true if the stored status is valid.
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*/
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struct dce_mailbox_interface {
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u8 s_mb;
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u8 r_mb;
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int state;
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bool valid;
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void *notify_data;
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struct dce_os_mutex lock;
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unsigned int ack_value;
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int (*dce_mailbox_wait)(struct tegra_dce *);
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void (*notify)(struct tegra_dce *, void *);
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};
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u32 dce_mailbox_get_interface_status(struct tegra_dce *d, u8 id);
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void dce_mailbox_store_interface_status(struct tegra_dce *d,
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u32 v, u8 id);
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void dce_mailbox_invalidate_status(struct tegra_dce *d, u8 id);
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void dce_mailbox_isr(struct tegra_dce *d);
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void dce_mailbox_set_full_interrupt(struct tegra_dce *d, u8 id);
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int dce_mailbox_send_cmd_sync(struct tegra_dce *d, u32 cmd, u32 interface);
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int dce_handle_mailbox_send_cmd_sync(struct tegra_dce *d, u32 cmd, u32 interface);
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int dce_mailbox_init_interface(struct tegra_dce *d, u8 id, u8 s_mb,
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u8 r_mb, int (*dce_mailbox_wait)(struct tegra_dce *),
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void *notify_data, void (*notify)(struct tegra_dce *, void *));
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void dce_mailbox_deinit_interface(struct tegra_dce *d, u8 id);
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#endif
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