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author | Takashi Iwai <tiwai@suse.de> | 2012-03-18 21:22:37 +0400 |
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committer | Takashi Iwai <tiwai@suse.de> | 2012-03-18 21:22:37 +0400 |
commit | cb3f2adc03ab055b19c677a6283523861fafebdd (patch) | |
tree | 59cfb6800f0635a4aec16c8e0da619f27e51ee79 /sound/soc/imx/imx-pcm.h | |
parent | 44c76a960a62fcc46cbcaa0a22a34e666a729329 (diff) | |
parent | 828006de1bddf83b6ecf03ec459c15f7c7c22db7 (diff) | |
download | linux-cb3f2adc03ab055b19c677a6283523861fafebdd.tar.xz |
Merge branch 'topic/asoc' into for-linus
Diffstat (limited to 'sound/soc/imx/imx-pcm.h')
-rw-r--r-- | sound/soc/imx/imx-pcm.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sound/soc/imx/imx-pcm.h b/sound/soc/imx/imx-pcm.h new file mode 100644 index 000000000000..b5f5c3acf34d --- /dev/null +++ b/sound/soc/imx/imx-pcm.h @@ -0,0 +1,32 @@ +/* + * Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de> + * + * This code is based on code copyrighted by Freescale, + * Liam Girdwood, Javier Martin and probably others. + * + * 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. + */ + +#ifndef _IMX_PCM_H +#define _IMX_PCM_H + +/* + * Do not change this as the FIQ handler depends on this size + */ +#define IMX_SSI_DMABUF_SIZE (64 * 1024) + +struct imx_pcm_dma_params { + int dma; + unsigned long dma_addr; + int burstsize; +}; + +int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, + struct vm_area_struct *vma); +int imx_pcm_new(struct snd_soc_pcm_runtime *rtd); +void imx_pcm_free(struct snd_pcm *pcm); + +#endif /* _IMX_PCM_H */ |