forked from Minki/linux
c6547c2ed0
The i.MX DMA drivers are device tree only, nothing in include/linux/platform_data/dma-imx.h has platform_data in it, so move the file to include/linux/dma/imx-dma.h. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-By: Vinod Koul <vkoul@kernel.org> Link: https://lore.kernel.org/r/20220414162249.3934543-10-s.hauer@pengutronix.de Signed-off-by: Mark Brown <broonie@kernel.org>
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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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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#include <linux/dma/imx-dma.h>
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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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#define IMX_DEFAULT_DMABUF_SIZE (64 * 1024)
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static inline void
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imx_pcm_dma_params_init_data(struct imx_dma_data *dma_data,
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int dma, enum sdma_peripheral_type peripheral_type)
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{
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dma_data->dma_request = dma;
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dma_data->priority = DMA_PRIO_HIGH;
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dma_data->peripheral_type = peripheral_type;
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}
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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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#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_DMA)
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int imx_pcm_dma_init(struct platform_device *pdev);
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#else
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static inline int imx_pcm_dma_init(struct platform_device *pdev)
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{
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return -ENODEV;
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}
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_FIQ)
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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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void imx_pcm_fiq_exit(struct platform_device *pdev);
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#else
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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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{
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return -ENODEV;
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}
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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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#endif
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#endif /* _IMX_PCM_H */
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