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	.pcm_destruct	= pxa2xx_soc_pcm_free,
23	.open		= pxa2xx_soc_pcm_open,
24	.close		= pxa2xx_soc_pcm_close,
25	.hw_params	= pxa2xx_soc_pcm_hw_params,
26	.hw_free	= pxa2xx_soc_pcm_hw_free,
27	.prepare	= pxa2xx_soc_pcm_prepare,
28	.trigger	= pxa2xx_soc_pcm_trigger,
29	.pointer	= pxa2xx_soc_pcm_pointer,
30	.mmap		= pxa2xx_soc_pcm_mmap,
31};
32
33static int pxa2xx_soc_platform_probe(struct platform_device *pdev)
34{
35	return devm_snd_soc_register_component(&pdev->dev, &pxa2xx_soc_platform,
36					       NULL, 0);
37}
38
39static struct platform_driver pxa_pcm_driver = {
40	.driver = {
41		.name = "pxa-pcm-audio",
42	},
43
44	.probe = pxa2xx_soc_platform_probe,
45};
46
47module_platform_driver(pxa_pcm_driver);
48
49MODULE_AUTHOR("Nicolas Pitre");
50MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module");
51MODULE_LICENSE("GPL");
52MODULE_ALIAS("platform:pxa-pcm-audio");
53