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