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(dev: &pdev->dev, component_driver: &pxa2xx_soc_platform, |
33 | NULL, num_dai: 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" ); |
50 | |