Merge tag 'denywrite-for-5.15' of git://github.com/davidhildenbrand/linux
[linux-2.6-microblaze.git] / sound / soc / pxa / pxa2xx-pcm.c
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
20 static 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
30 static 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
36 static struct platform_driver pxa_pcm_driver = {
37         .driver = {
38                 .name = "pxa-pcm-audio",
39         },
40
41         .probe = pxa2xx_soc_platform_probe,
42 };
43
44 module_platform_driver(pxa_pcm_driver);
45
46 MODULE_AUTHOR("Nicolas Pitre");
47 MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module");
48 MODULE_LICENSE("GPL");
49 MODULE_ALIAS("platform:pxa-pcm-audio");