2 * linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip
4 * Author: Nicolas Pitre
5 * Created: Nov 30, 2004
6 * Copyright: MontaVista Software, Inc.
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.
14 struct pxa2xx_runtime_data
{
16 struct snd_dmaengine_dai_dma_data
*params
;
17 pxa_dma_desc
*dma_desc_array
;
18 dma_addr_t dma_desc_array_phys
;
21 struct pxa2xx_pcm_client
{
22 struct snd_dmaengine_dai_dma_data
*playback_params
;
23 struct snd_dmaengine_dai_dma_data
*capture_params
;
24 int (*startup
)(struct snd_pcm_substream
*);
25 void (*shutdown
)(struct snd_pcm_substream
*);
26 int (*prepare
)(struct snd_pcm_substream
*);
29 extern int pxa2xx_pcm_new(struct snd_card
*, struct pxa2xx_pcm_client
*, struct snd_pcm
**);