1 /*
2  * linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip
3  *
4  * Author:	Nicolas Pitre
5  * Created:	Nov 30, 2004
6  * Copyright:	MontaVista Software, Inc.
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12 
13 struct pxa2xx_runtime_data {
14 	int dma_ch;
15 	struct snd_dmaengine_dai_dma_data *params;
16 	struct pxa_dma_desc *dma_desc_array;
17 	dma_addr_t dma_desc_array_phys;
18 };
19 
20 struct pxa2xx_pcm_client {
21 	struct snd_dmaengine_dai_dma_data *playback_params;
22 	struct snd_dmaengine_dai_dma_data *capture_params;
23 	int (*startup)(struct snd_pcm_substream *);
24 	void (*shutdown)(struct snd_pcm_substream *);
25 	int (*prepare)(struct snd_pcm_substream *);
26 };
27 
28 extern int pxa2xx_pcm_new(struct snd_card *, struct pxa2xx_pcm_client *, struct snd_pcm **);
29 
30