mirror of https://gitee.com/openkylin/linux.git
31 lines
914 B
C
31 lines
914 B
C
/*
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* linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip
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*
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* Author: Nicolas Pitre
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* Created: Nov 30, 2004
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* Copyright: MontaVista Software, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <mach/dma.h>
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struct pxa2xx_runtime_data {
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int dma_ch;
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struct snd_dmaengine_dai_dma_data *params;
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pxa_dma_desc *dma_desc_array;
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dma_addr_t dma_desc_array_phys;
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};
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struct pxa2xx_pcm_client {
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struct snd_dmaengine_dai_dma_data *playback_params;
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struct snd_dmaengine_dai_dma_data *capture_params;
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int (*startup)(struct snd_pcm_substream *);
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void (*shutdown)(struct snd_pcm_substream *);
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int (*prepare)(struct snd_pcm_substream *);
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};
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extern int pxa2xx_pcm_new(struct snd_card *, struct pxa2xx_pcm_client *, struct snd_pcm **);
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