tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 .ops = &pxa2xx_pcm_ops,
22 .pcm_new = pxa2xx_soc_pcm_new,
23 .pcm_free = pxa2xx_pcm_free_dma_buffers,
24};
25
26static int pxa2xx_soc_platform_probe(struct platform_device *pdev)
27{
28 return devm_snd_soc_register_component(&pdev->dev, &pxa2xx_soc_platform,
29 NULL, 0);
30}
31
32static struct platform_driver pxa_pcm_driver = {
33 .driver = {
34 .name = "pxa-pcm-audio",
35 },
36
37 .probe = pxa2xx_soc_platform_probe,
38};
39
40module_platform_driver(pxa_pcm_driver);
41
42MODULE_AUTHOR("Nicolas Pitre");
43MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module");
44MODULE_LICENSE("GPL");
45MODULE_ALIAS("platform:pxa-pcm-audio");