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
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