Files
linux-nv-oot/drivers/platform/tegra/dce/include/dce-client-ipc-internal.h
anupamg 2f1230b256 DCE-KMD: Update DCE OS abstraction - Part 1
- We will keep single abstraction layer for linux.
    - File: dce-os-*
    - Fn: dce_os_*()

Modules covered in this CL:
1) dce-os-types
2) dce-os-atomic
3) dce-os-utils
4) dce-os-device
    - This is renamed to dce-linux-device in
      I74e2deb17f49065d242bd80d50c5a849b3dfa3a1

JIRA TDS-16126

Change-Id: I2d5eb45da4f245c1491645b27e2be9141bc038df
Signed-off-by: anupamg <anupamg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3228474
Reviewed-by: Mahesh Kumar <mahkumar@nvidia.com>
Reviewed-by: Arun Swain <arswain@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
2025-07-24 10:19:12 +00:00

65 lines
1.9 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* SPDX-FileCopyrightText: Copyright (c) 2019-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*/
#ifndef DCE_CLIENT_IPC_INTERNAL_H
#define DCE_CLIENT_IPC_INTERNAL_H
#include <linux/platform/tegra/dce/dce-client-ipc.h>
#include <dce-os-atomic.h>
/**
* struct tegra_dce_client_ipc - Data Structure to hold client specific ipc
* data pertaining to IPC type
*
* @valid : Tells if the client ipc data held by data structure is valid
* @data : Pointer to any specific data passed by client during registration
* for corresponding IPC type
* @type : Corresponding IPC type as defined in CPU driver
* @handle : Corresponding handle allocated for client during registration
* @int_type : IPC interface type for above IPC type as defined in CPU driver
* @d : pointer to OS agnostic dce struct. Stores all runtime info for dce
* cluster elements
* @recv_wait : condition variable used for IPC synchronization
* @complete : atomic variable used for IPC synchronization
* @callback_fn : function pointer to the callback function passed by the
* client during registration
*/
struct tegra_dce_client_ipc {
bool valid;
void *data;
uint32_t type;
uint32_t handle;
uint32_t int_type;
struct tegra_dce *d;
struct dce_cond recv_wait;
dce_os_atomic_t complete;
tegra_dce_client_ipc_callback_t callback_fn;
};
#define DCE_MAX_ASYNC_WORK 8
struct dce_async_work {
struct tegra_dce *d;
struct work_struct async_event_work;
dce_os_atomic_t in_use;
};
/**
* @async_event_wq - Workqueue to process async events from DCE
*/
struct tegra_dce_async_ipc_info {
struct workqueue_struct *async_event_wq;
struct dce_async_work work[DCE_MAX_ASYNC_WORK];
};
void dce_client_ipc_wakeup(struct tegra_dce *d, u32 ch_type);
int dce_client_ipc_wait(struct tegra_dce *d, u32 ch_type);
int dce_client_init(struct tegra_dce *d);
void dce_client_deinit(struct tegra_dce *d);
#endif