[net-next-2.6.git] / sound / arm / pxa2xx-pcm.h

/*
 * 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.
 */
#include <mach/dma.h>

struct pxa2xx_runtime_data {
	int dma_ch;
	struct pxa2xx_pcm_dma_params *params;
	pxa_dma_desc *dma_desc_array;
	dma_addr_t dma_desc_array_phys;
};

struct pxa2xx_pcm_client {
	struct pxa2xx_pcm_dma_params *playback_params;
	struct pxa2xx_pcm_dma_params *capture_params;
	int (*startup)(struct snd_pcm_substream *);
	void (*shutdown)(struct snd_pcm_substream *);
	int (*prepare)(struct snd_pcm_substream *);
};

extern int pxa2xx_pcm_new(struct snd_card *, struct pxa2xx_pcm_client *, struct snd_pcm **);
Commit	Line	Data
2c484df0 TI	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	*/
afb5b5c9	12	#include <mach/dma.h>
2c484df0	13
a6d77317 DES	14	struct pxa2xx_runtime_data {
	15	int dma_ch;
	16	struct pxa2xx_pcm_dma_params *params;
	17	pxa_dma_desc *dma_desc_array;
	18	dma_addr_t dma_desc_array_phys;
d18f8376	19	};
a6d77317	20
d18f8376 TI	21	struct pxa2xx_pcm_client {
	22	struct pxa2xx_pcm_dma_params *playback_params;
	23	struct pxa2xx_pcm_dma_params *capture_params;
	24	int (startup)(struct snd_pcm_substream );
	25	void (shutdown)(struct snd_pcm_substream );
	26	int (prepare)(struct snd_pcm_substream );
	27	};
2c484df0	28
d18f8376	29	extern int pxa2xx_pcm_new(struct snd_card , struct pxa2xx_pcm_client , struct snd_pcm **);
2c484df0	30