1 /* 2 * Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de> 3 * 4 * This code is based on code copyrighted by Freescale, 5 * Liam Girdwood, Javier Martin and probably others. 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the 9 * Free Software Foundation; either version 2 of the License, or (at your 10 * option) any later version. 11 */ 12 13 #ifndef _IMX_PCM_H 14 #define _IMX_PCM_H 15 16 /* 17 * Do not change this as the FIQ handler depends on this size 18 */ 19 #define IMX_SSI_DMABUF_SIZE (64 * 1024) 20 21 struct imx_pcm_dma_params { 22 int dma; 23 unsigned long dma_addr; 24 int burstsize; 25 bool shared_peripheral; /* The peripheral is on SPBA bus */ 26 }; 27 28 int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, 29 struct vm_area_struct *vma); 30 int imx_pcm_new(struct snd_soc_pcm_runtime *rtd); 31 void imx_pcm_free(struct snd_pcm *pcm); 32 33 #endif /* _IMX_PCM_H */ 34