linux_dsm_epyc7002/sound/soc/tegra/tegra_pcm.h
Laxman Dewangan 9891e32405 ASoC: tegra: remove support of legacy DMA driver based access
Remove the support code which uses the legacy APB DMA driver
for accessing the I2S FIFO.
The driver will use the dmaengine based APB DMA driver for
accessing reqding/writing to I2S FIFO.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-17 09:34:44 -06:00

47 lines
1.3 KiB
C

/*
* tegra_pcm.h - Definitions for Tegra PCM driver
*
* Author: Stephen Warren <swarren@nvidia.com>
* Copyright (C) 2010,2012 - NVIDIA, Inc.
*
* 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_H__
#define __TEGRA_PCM_H__
#include <mach/dma.h>
struct tegra_pcm_dma_params {
unsigned long addr;
unsigned long wrap;
unsigned long width;
unsigned long req_sel;
};
int tegra_pcm_platform_register(struct device *dev);
void tegra_pcm_platform_unregister(struct device *dev);
#endif