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- /*
- * linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip
- *
- * Author: Nicolas Pitre
- * Created: Nov 30, 2004
- * Copyright: MontaVista Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- typedef struct {
- char *name; /* stream identifier */
- u32 dcmd; /* DMA descriptor dcmd field */
- volatile u32 *drcmr; /* the DMA request channel to use */
- u32 dev_addr; /* device physical address for DMA */
- } pxa2xx_pcm_dma_params_t;
-
- typedef struct {
- pxa2xx_pcm_dma_params_t *playback_params;
- pxa2xx_pcm_dma_params_t *capture_params;
- int (*startup)(snd_pcm_substream_t *);
- void (*shutdown)(snd_pcm_substream_t *);
- int (*prepare)(snd_pcm_substream_t *);
- } pxa2xx_pcm_client_t;
- extern int pxa2xx_pcm_new(snd_card_t *, pxa2xx_pcm_client_t *, snd_pcm_t **);
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