1 /*
2 * linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip
3 *
4 * Author: Nicolas Pitre
5 * Created: Nov 30, 2004
6 * Copyright: (C) 2004 MontaVista Software, Inc.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13 #include <linux/dma-mapping.h>
14 #include <linux/module.h>
15 #include <linux/dmaengine.h>
16 #include <linux/of.h>
17
18 #include <sound/core.h>
19 #include <sound/soc.h>
20 #include <sound/pxa2xx-lib.h>
21 #include <sound/dmaengine_pcm.h>
22
23 static const struct snd_soc_component_driver pxa2xx_soc_platform = {
24 .ops = &pxa2xx_pcm_ops,
25 .pcm_new = pxa2xx_soc_pcm_new,
26 .pcm_free = pxa2xx_pcm_free_dma_buffers,
27 };
28
pxa2xx_soc_platform_probe(struct platform_device * pdev)29 static int pxa2xx_soc_platform_probe(struct platform_device *pdev)
30 {
31 return devm_snd_soc_register_component(&pdev->dev, &pxa2xx_soc_platform,
32 NULL, 0);
33 }
34
35 static struct platform_driver pxa_pcm_driver = {
36 .driver = {
37 .name = "pxa-pcm-audio",
38 },
39
40 .probe = pxa2xx_soc_platform_probe,
41 };
42
43 module_platform_driver(pxa_pcm_driver);
44
45 MODULE_AUTHOR("Nicolas Pitre");
46 MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module");
47 MODULE_LICENSE("GPL");
48 MODULE_ALIAS("platform:pxa-pcm-audio");
49
