tegrakernel/kernel/nvidia/sound/soc/tegra-alt/include/tegra_pcm_alt.h

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2022-02-16 09:13:02 -06:00
/*
* tegra_pcm_alt.h - Definitions for Tegra PCM driver
*
* Author: Stephen Warren <swarren@nvidia.com>
* Copyright (c) 2011-2019 NVIDIA CORPORATION. All rights reserved.
*
* Based on code copyright/by:
*
* Copyright (c) 2009-2010, NVIDIA Corporation.
* Scott Peterson <speterson@nvidia.com>
*
* Copyright (C) 2010 Google, Inc.
* Iliyan Malchev <malchev@google.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#ifndef __TEGRA_PCM_ALT_H__
#define __TEGRA_PCM_ALT_H__
#define MAX_DMA_REQ_COUNT 2
struct tegra_alt_pcm_dma_params {
unsigned long addr;
unsigned long width;
unsigned long req_sel;
const char *chan_name;
size_t buffer_size;
};
int tegra_alt_pcm_platform_register(struct device *dev);
void tegra_alt_pcm_platform_unregister(struct device *dev);
#endif