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 #include <mach/dma.h>
13 
14 struct pxa2xx_runtime_data {
15 	int dma_ch;
16 	struct pxa2xx_pcm_dma_params *params;
17 	pxa_dma_desc *dma_desc_array;
18 	dma_addr_t dma_desc_array_phys;
19 };
20 
21 struct pxa2xx_pcm_client {
22 	struct pxa2xx_pcm_dma_params *playback_params;
23 	struct pxa2xx_pcm_dma_params *capture_params;
24 	int (*startup)(struct snd_pcm_substream *);
25 	void (*shutdown)(struct snd_pcm_substream *);
26 	int (*prepare)(struct snd_pcm_substream *);
27 };
28 
29 extern int pxa2xx_pcm_new(struct snd_card *, struct pxa2xx_pcm_client *, struct snd_pcm **);
30 
31