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 13struct pxa2xx_runtime_data { 14 int dma_ch; 15 struct snd_dmaengine_dai_dma_data *params; 16 struct pxa_dma_desc *dma_desc_array; 17 dma_addr_t dma_desc_array_phys; 18}; 19 20struct pxa2xx_pcm_client { 21 struct snd_dmaengine_dai_dma_data *playback_params; 22 struct snd_dmaengine_dai_dma_data *capture_params; 23 int (*startup)(struct snd_pcm_substream *); 24 void (*shutdown)(struct snd_pcm_substream *); 25 int (*prepare)(struct snd_pcm_substream *); 26}; 27 28extern int pxa2xx_pcm_new(struct snd_card *, struct pxa2xx_pcm_client *, struct snd_pcm **); 29 30