fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / sound / arm / pxa2xx-pcm.h
blobb79f1e80378035929339b09d2d35eada2f70687e
1 /*
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.
13 struct pxa2xx_pcm_dma_params {
14 char *name; /* stream identifier */
15 u32 dcmd; /* DMA descriptor dcmd field */
16 volatile u32 *drcmr; /* the DMA request channel to use */
17 u32 dev_addr; /* device physical address for DMA */
20 struct pxa2xx_pcm_client {
21 struct pxa2xx_pcm_dma_params *playback_params;
22 struct pxa2xx_pcm_dma_params *capture_params;
23 int (*startup)(struct snd_pcm_substream *);
24 void (*shutdown)(struct snd_pcm_substream *);
25 int (*prepare)(struct snd_pcm_substream *);
28 extern int pxa2xx_pcm_new(struct snd_card *, struct pxa2xx_pcm_client *, struct snd_pcm **);