1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip
5 * Author: Nicolas Pitre
6 * Created: Nov 30, 2004
7 * Copyright: (C) 2004 MontaVista Software, Inc.
10 #include <linux/dma-mapping.h>
11 #include <linux/module.h>
12 #include <linux/dmaengine.h>
15 #include <sound/core.h>
16 #include <sound/soc.h>
17 #include <sound/pxa2xx-lib.h>
18 #include <sound/dmaengine_pcm.h>
20 static 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
,
33 static int pxa2xx_soc_platform_probe(struct platform_device
*pdev
)
35 return devm_snd_soc_register_component(&pdev
->dev
, &pxa2xx_soc_platform
,
39 static struct platform_driver pxa_pcm_driver
= {
41 .name
= "pxa-pcm-audio",
44 .probe
= pxa2xx_soc_platform_probe
,
47 module_platform_driver(pxa_pcm_driver
);
49 MODULE_AUTHOR("Nicolas Pitre");
50 MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module");
51 MODULE_LICENSE("GPL");
52 MODULE_ALIAS("platform:pxa-pcm-audio");