| 1 | // SPDX-License-Identifier: GPL-2.0-only |
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| 2 | /* |
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| 3 | * linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip |
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| 4 | * |
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| 5 | * Author: Nicolas Pitre |
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| 6 | * Created: Nov 30, 2004 |
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| 7 | * Copyright: (C) 2004 MontaVista Software, Inc. |
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| 8 | */ |
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| 9 | |
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| 10 | #include <linux/dma-mapping.h> |
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| 11 | #include <linux/module.h> |
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| 12 | #include <linux/dmaengine.h> |
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| 13 | #include <linux/of.h> |
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| 14 | |
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| 15 | #include <sound/core.h> |
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| 16 | #include <sound/soc.h> |
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| 17 | #include <sound/pxa2xx-lib.h> |
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| 18 | #include <sound/dmaengine_pcm.h> |
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| 19 | |
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| 20 | static const struct snd_soc_component_driver pxa2xx_soc_platform = { |
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| 21 | .pcm_construct = pxa2xx_soc_pcm_new, |
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| 22 | .open = pxa2xx_soc_pcm_open, |
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| 23 | .close = pxa2xx_soc_pcm_close, |
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| 24 | .hw_params = pxa2xx_soc_pcm_hw_params, |
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| 25 | .prepare = pxa2xx_soc_pcm_prepare, |
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| 26 | .trigger = pxa2xx_soc_pcm_trigger, |
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| 27 | .pointer = pxa2xx_soc_pcm_pointer, |
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| 28 | }; |
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| 29 | |
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| 30 | static int pxa2xx_soc_platform_probe(struct platform_device *pdev) |
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| 31 | { |
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| 32 | return devm_snd_soc_register_component(dev: &pdev->dev, component_driver: &pxa2xx_soc_platform, |
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| 33 | NULL, num_dai: 0); |
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| 34 | } |
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| 35 | |
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| 36 | static struct platform_driver pxa_pcm_driver = { |
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| 37 | .driver = { |
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| 38 | .name = "pxa-pcm-audio" , |
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| 39 | }, |
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| 40 | |
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| 41 | .probe = pxa2xx_soc_platform_probe, |
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| 42 | }; |
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| 43 | |
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| 44 | module_platform_driver(pxa_pcm_driver); |
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| 45 | |
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| 46 | MODULE_AUTHOR("Nicolas Pitre" ); |
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| 47 | MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module" ); |
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| 48 | MODULE_LICENSE("GPL" ); |
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| 49 | MODULE_ALIAS("platform:pxa-pcm-audio" ); |
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| 50 | |
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