From c0f41bb1717ae31f806615e81b808753271dd3d9 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Wed, 14 Feb 2007 13:20:03 +0100 Subject: [ALSA] ASoC Samsung S3C24xx audio DMA This patch by Ben Dooks from Simtec Electronics adds ASoC audio DMA support for the Samsung S3C24xx CPU. Signed-off-by: Ben Dooks Signed-off-by: Graeme Gregory Signed-off-by: Liam Girdwood Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/soc/s3c24xx/s3c24xx-pcm.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 sound/soc/s3c24xx/s3c24xx-pcm.h (limited to 'sound/soc/s3c24xx/s3c24xx-pcm.h') diff --git a/sound/soc/s3c24xx/s3c24xx-pcm.h b/sound/soc/s3c24xx/s3c24xx-pcm.h new file mode 100644 index 000000000000..5dced4ab1932 --- /dev/null +++ b/sound/soc/s3c24xx/s3c24xx-pcm.h @@ -0,0 +1,32 @@ +/* + * s3c24xx-pcm.h -- + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * ALSA PCM interface for the Samsung S3C24xx CPU + */ + +#ifndef _S3C24XX_PCM_H +#define _S3C24XX_PCM_H + +#define ST_RUNNING (1<<0) +#define ST_OPENED (1<<1) + +struct s3c24xx_pcm_dma_params { + struct s3c2410_dma_client *client; /* stream identifier */ + int channel; /* Channel ID */ + dma_addr_t dma_addr; +}; + +#define S3C24XX_DAI_I2S 0 + +extern struct snd_soc_cpu_dai s3c24xx_i2s_dai; + +/* platform data */ +extern struct snd_soc_platform s3c24xx_soc_platform; +extern struct snd_ac97_bus_ops s3c24xx_ac97_ops; + +#endif -- cgit v1.2.2