tegra_isomgr_bw.h

 1/* SPDX-License-Identifier: GPL-2.0-only
 2 * SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES.
 3 * All rights reserved.
 4 *
 5 * tegra_isomgr_bw.h - Definitions for ADMA bandwidth calculation
 6 *
 7 */
 8
 9#ifndef __TEGRA_ISOMGR_BW_H__
10#define __TEGRA_ISOMGR_BW_H__
11
12/* Playback and Capture streams */
13#define STREAM_TYPE 2
14
15struct tegra_adma_isomgr {
16	/* Protect pcm devices bandwidth */
17	struct mutex mutex;
18	/* interconnect path handle */
19	struct icc_path *icc_path_handle;
20	u32 *bw_per_dev[STREAM_TYPE];
21	u32 current_bandwidth;
22	u32 max_pcm_device;
23	u32 max_bw;
24};
25
26int tegra_isomgr_adma_register(struct device *dev);
27void tegra_isomgr_adma_unregister(struct device *dev);
28int tegra_isomgr_adma_setbw(struct snd_pcm_substream *substream,
29			    struct snd_soc_dai *dai, bool is_running);
30
31#endif