mxs-pcm.h
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/*
* Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _MXS_PCM_H
#define _MXS_PCM_H
#include <mach/dma.h>
struct mxs_pcm_dma_params {
int chan_irq;
int chan_num;
};
struct mxs_pcm_runtime_data {
int period_bytes;
int periods;
int dma;
unsigned long offset;
unsigned long size;
void *buf;
int period_time;
struct dma_async_tx_descriptor *desc;
struct dma_chan *dma_chan;
struct mxs_dma_data dma_data;
struct mxs_pcm_dma_params *dma_params;
};
#endif