53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip
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*
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* Author: Nicolas Pitre
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* Created: Nov 30, 2004
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* Copyright: (C) 2004 MontaVista Software, Inc.
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*/
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#include <linux/dma-mapping.h>
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#include <linux/module.h>
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#include <linux/dmaengine.h>
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#include <linux/of.h>
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#include <sound/core.h>
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#include <sound/soc.h>
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#include <sound/pxa2xx-lib.h>
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#include <sound/dmaengine_pcm.h>
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static const struct snd_soc_component_driver pxa2xx_soc_platform = {
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.pcm_construct = pxa2xx_soc_pcm_new,
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.pcm_destruct = pxa2xx_soc_pcm_free,
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.open = pxa2xx_soc_pcm_open,
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.close = pxa2xx_soc_pcm_close,
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.hw_params = pxa2xx_soc_pcm_hw_params,
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.hw_free = pxa2xx_soc_pcm_hw_free,
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.prepare = pxa2xx_soc_pcm_prepare,
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.trigger = pxa2xx_soc_pcm_trigger,
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.pointer = pxa2xx_soc_pcm_pointer,
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.mmap = pxa2xx_soc_pcm_mmap,
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};
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static int pxa2xx_soc_platform_probe(struct platform_device *pdev)
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{
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return devm_snd_soc_register_component(&pdev->dev, &pxa2xx_soc_platform,
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NULL, 0);
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}
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static struct platform_driver pxa_pcm_driver = {
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.driver = {
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.name = "pxa-pcm-audio",
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},
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.probe = pxa2xx_soc_platform_probe,
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};
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module_platform_driver(pxa_pcm_driver);
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MODULE_AUTHOR("Nicolas Pitre");
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MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:pxa-pcm-audio");
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