summaryrefslogtreecommitdiff
path: root/sound/soc/fsl/imx-pcm.h
blob: 83c0ed7d55c9a4710b75846bb0bd5569d257ed0f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/*
 * 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 */