2 * Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
4 * This code is based on code copyrighted by Freescale,
5 * Liam Girdwood, Javier Martin and probably others.
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.
16 #include <linux/platform_data/dma-imx.h>
19 * Do not change this as the FIQ handler depends on this size
21 #define IMX_SSI_DMABUF_SIZE (64 * 1024)
24 imx_pcm_dma_params_init_data(struct imx_dma_data *dma_data,
27 dma_data->dma_request = dma;
28 dma_data->priority = DMA_PRIO_HIGH;
30 dma_data->peripheral_type = IMX_DMATYPE_SSI_SP;
32 dma_data->peripheral_type = IMX_DMATYPE_SSI;
35 struct imx_pcm_fiq_params {
39 /* Pointer to original ssi driver to setup tx rx sizes */
40 struct snd_dmaengine_dai_dma_data *dma_params_rx;
41 struct snd_dmaengine_dai_dma_data *dma_params_tx;
44 #ifdef CONFIG_SND_SOC_IMX_PCM_DMA
45 int imx_pcm_dma_init(struct platform_device *pdev);
46 void imx_pcm_dma_exit(struct platform_device *pdev);
48 static inline int imx_pcm_dma_init(struct platform_device *pdev)
53 static inline void imx_pcm_dma_exit(struct platform_device *pdev)
58 #ifdef CONFIG_SND_SOC_IMX_PCM_FIQ
59 int imx_pcm_fiq_init(struct platform_device *pdev,
60 struct imx_pcm_fiq_params *params);
61 void imx_pcm_fiq_exit(struct platform_device *pdev);
63 static inline int imx_pcm_fiq_init(struct platform_device *pdev,
64 struct imx_pcm_fiq_params *params)
69 static inline void imx_pcm_fiq_exit(struct platform_device *pdev)
74 #endif /* _IMX_PCM_H */