2019-04-05 11:49:51 +00:00
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/* SPDX-License-Identifier: GPL-2.0+ */
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2012-03-05 14:30:55 +00:00
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/*
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* Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
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*
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* This code is based on code copyrighted by Freescale,
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* Liam Girdwood, Javier Martin and probably others.
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*/
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#ifndef _IMX_PCM_H
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#define _IMX_PCM_H
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2022-04-14 16:22:37 +00:00
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#include <linux/dma/imx-dma.h>
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2013-03-22 13:12:12 +00:00
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2012-03-05 14:30:55 +00:00
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/*
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* Do not change this as the FIQ handler depends on this size
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*/
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#define IMX_SSI_DMABUF_SIZE (64 * 1024)
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2015-06-23 10:23:53 +00:00
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#define IMX_DEFAULT_DMABUF_SIZE (64 * 1024)
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2013-06-20 13:20:21 +00:00
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struct imx_pcm_fiq_params {
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int irq;
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void __iomem *base;
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/* Pointer to original ssi driver to setup tx rx sizes */
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struct snd_dmaengine_dai_dma_data *dma_params_rx;
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struct snd_dmaengine_dai_dma_data *dma_params_tx;
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};
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2013-07-29 21:37:32 +00:00
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#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_DMA)
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2022-02-23 13:06:25 +00:00
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int imx_pcm_dma_init(struct platform_device *pdev);
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2013-01-28 06:25:43 +00:00
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#else
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2022-02-23 13:06:25 +00:00
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static inline int imx_pcm_dma_init(struct platform_device *pdev)
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2013-01-28 06:25:43 +00:00
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{
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return -ENODEV;
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}
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#endif
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2013-07-29 21:37:32 +00:00
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#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_FIQ)
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2013-06-20 13:20:21 +00:00
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int imx_pcm_fiq_init(struct platform_device *pdev,
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struct imx_pcm_fiq_params *params);
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2013-04-25 03:18:48 +00:00
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void imx_pcm_fiq_exit(struct platform_device *pdev);
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2013-01-28 06:25:43 +00:00
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#else
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2013-06-20 13:20:21 +00:00
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static inline int imx_pcm_fiq_init(struct platform_device *pdev,
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struct imx_pcm_fiq_params *params)
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2013-01-28 06:25:43 +00:00
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{
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return -ENODEV;
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}
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2013-04-25 03:18:48 +00:00
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static inline void imx_pcm_fiq_exit(struct platform_device *pdev)
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{
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}
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2013-01-28 06:25:43 +00:00
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#endif
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2012-03-05 14:30:55 +00:00
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#endif /* _IMX_PCM_H */
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