1d2912cb1SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 2f11a96d5SLiam Girdwood /* 3f11a96d5SLiam Girdwood * linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip 4f11a96d5SLiam Girdwood * 5f11a96d5SLiam Girdwood * Author: Nicolas Pitre 6f11a96d5SLiam Girdwood * Created: Nov 30, 2004 7f11a96d5SLiam Girdwood * Copyright: (C) 2004 MontaVista Software, Inc. 8f11a96d5SLiam Girdwood */ 9f11a96d5SLiam Girdwood 10f11a96d5SLiam Girdwood #include <linux/dma-mapping.h> 11da155d5bSPaul Gortmaker #include <linux/module.h> 12d65a1458SDaniel Mack #include <linux/dmaengine.h> 13c529ca4aSDaniel Mack #include <linux/of.h> 14f11a96d5SLiam Girdwood 15f11a96d5SLiam Girdwood #include <sound/core.h> 16f11a96d5SLiam Girdwood #include <sound/soc.h> 17a6d77317SDmitry Baryshkov #include <sound/pxa2xx-lib.h> 18d65a1458SDaniel Mack #include <sound/dmaengine_pcm.h> 19f11a96d5SLiam Girdwood 200717e66fSKuninori Morimoto static const struct snd_soc_component_driver pxa2xx_soc_platform = { 21f8772e17SKuninori Morimoto .pcm_construct = pxa2xx_soc_pcm_new, 22f8772e17SKuninori Morimoto .pcm_destruct = pxa2xx_soc_pcm_free, 23f8772e17SKuninori Morimoto .open = pxa2xx_soc_pcm_open, 24f8772e17SKuninori Morimoto .close = pxa2xx_soc_pcm_close, 25f8772e17SKuninori Morimoto .ioctl = snd_soc_pcm_lib_ioctl, 26f8772e17SKuninori Morimoto .hw_params = pxa2xx_soc_pcm_hw_params, 27f8772e17SKuninori Morimoto .hw_free = pxa2xx_soc_pcm_hw_free, 28f8772e17SKuninori Morimoto .prepare = pxa2xx_soc_pcm_prepare, 29f8772e17SKuninori Morimoto .trigger = pxa2xx_soc_pcm_trigger, 30f8772e17SKuninori Morimoto .pointer = pxa2xx_soc_pcm_pointer, 31f8772e17SKuninori Morimoto .mmap = pxa2xx_soc_pcm_mmap, 32f11a96d5SLiam Girdwood }; 33f11a96d5SLiam Girdwood 34570f6fe1SBill Pemberton static int pxa2xx_soc_platform_probe(struct platform_device *pdev) 35958e792cSMark Brown { 360717e66fSKuninori Morimoto return devm_snd_soc_register_component(&pdev->dev, &pxa2xx_soc_platform, 370717e66fSKuninori Morimoto NULL, 0); 38958e792cSMark Brown } 39f0fba2adSLiam Girdwood 40f0fba2adSLiam Girdwood static struct platform_driver pxa_pcm_driver = { 41f0fba2adSLiam Girdwood .driver = { 42f0fba2adSLiam Girdwood .name = "pxa-pcm-audio", 43f0fba2adSLiam Girdwood }, 44f0fba2adSLiam Girdwood 45f0fba2adSLiam Girdwood .probe = pxa2xx_soc_platform_probe, 46f0fba2adSLiam Girdwood }; 47f0fba2adSLiam Girdwood 482f702a19SAxel Lin module_platform_driver(pxa_pcm_driver); 49958e792cSMark Brown 50f11a96d5SLiam Girdwood MODULE_AUTHOR("Nicolas Pitre"); 51f11a96d5SLiam Girdwood MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module"); 52f11a96d5SLiam Girdwood MODULE_LICENSE("GPL"); 53e5b7d71aSAndrea Adami MODULE_ALIAS("platform:pxa-pcm-audio"); 54