linux-sg2042/sound/soc/fsl/imx-pcm.h

34 lines
939 B
C

/*
* Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
*
* This code is based on code copyrighted by Freescale,
* Liam Girdwood, Javier Martin and probably others.
*
* 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.
*/
#ifndef _IMX_PCM_H
#define _IMX_PCM_H
/*
* Do not change this as the FIQ handler depends on this size
*/
#define IMX_SSI_DMABUF_SIZE (64 * 1024)
struct imx_pcm_dma_params {
int dma;
unsigned long dma_addr;
int burstsize;
bool shared_peripheral; /* The peripheral is on SPBA bus */
};
int snd_imx_pcm_mmap(struct snd_pcm_substream *substream,
struct vm_area_struct *vma);
int imx_pcm_new(struct snd_soc_pcm_runtime *rtd);
void imx_pcm_free(struct snd_pcm *pcm);
#endif /* _IMX_PCM_H */