[deliverable/linux.git] / sound / soc / fsl / imx-pcm.h

/*
 * 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 */
Commit	Line	Data
4762fbab SG	1	/*
	2	* Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
	3	*
	4	* This code is based on code copyrighted by Freescale,
	5	* Liam Girdwood, Javier Martin and probably others.
	6	*
	7	* This program is free software; you can redistribute it and/or modify it
	8	* under the terms of the GNU General Public License as published by the
	9	* Free Software Foundation; either version 2 of the License, or (at your
	10	* option) any later version.
	11	*/
	12
	13	#ifndef _IMX_PCM_H
	14	#define _IMX_PCM_H
	15
	16	/*
	17	* Do not change this as the FIQ handler depends on this size
	18	*/
	19	#define IMX_SSI_DMABUF_SIZE (64 * 1024)
	20
	21	struct imx_pcm_dma_params {
	22	int dma;
	23	unsigned long dma_addr;
	24	int burstsize;
b46b373f	25	bool shared_peripheral; /* The peripheral is on SPBA bus */
4762fbab SG	26	};
	27
	28	int snd_imx_pcm_mmap(struct snd_pcm_substream *substream,
	29	struct vm_area_struct *vma);
	30	int imx_pcm_new(struct snd_soc_pcm_runtime *rtd);
	31	void imx_pcm_free(struct snd_pcm *pcm);
	32
	33	#endif /* _IMX_PCM_H */