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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip4 *5 * Author: Nicolas Pitre6 * Created: Nov 30, 20047 * 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 .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 30static 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 36static struct platform_driver pxa_pcm_driver = {37 .driver = {38 .name = "pxa-pcm-audio",39 },40 41 .probe = pxa2xx_soc_platform_probe,42};43 44module_platform_driver(pxa_pcm_driver);45 46MODULE_AUTHOR("Nicolas Pitre");47MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module");48MODULE_LICENSE("GPL");49MODULE_ALIAS("platform:pxa-pcm-audio");50