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52 lines
1.3 KiB
52 lines
1.3 KiB
// 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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