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- /*
- * 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;
- bool shared_peripheral; /* The peripheral is on SPBA bus */
- };
- 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);
- #ifdef CONFIG_SND_SOC_IMX_PCM_DMA
- int imx_pcm_dma_init(struct platform_device *pdev);
- #else
- static inline int imx_pcm_dma_init(struct platform_device *pdev)
- {
- return -ENODEV;
- }
- #endif
- #ifdef CONFIG_SND_SOC_IMX_PCM_FIQ
- int imx_pcm_fiq_init(struct platform_device *pdev);
- #else
- static inline int imx_pcm_fiq_init(struct platform_device *pdev)
- {
- return -ENODEV;
- }
- #endif
- #endif /* _IMX_PCM_H */
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