50 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0-only
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| /*
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|  * linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip
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|  *
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|  * Author:	Nicolas Pitre
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|  * Created:	Nov 30, 2004
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|  * Copyright:	(C) 2004 MontaVista Software, Inc.
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|  */
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| 
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| #include <linux/dma-mapping.h>
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| #include <linux/module.h>
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| #include <linux/dmaengine.h>
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| #include <linux/of.h>
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| 
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| #include <sound/core.h>
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| #include <sound/soc.h>
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| #include <sound/pxa2xx-lib.h>
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| #include <sound/dmaengine_pcm.h>
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| 
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| static const struct snd_soc_component_driver pxa2xx_soc_platform = {
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| 	.pcm_construct	= pxa2xx_soc_pcm_new,
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| 	.open		= pxa2xx_soc_pcm_open,
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| 	.close		= pxa2xx_soc_pcm_close,
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| 	.hw_params	= pxa2xx_soc_pcm_hw_params,
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| 	.prepare	= pxa2xx_soc_pcm_prepare,
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| 	.trigger	= pxa2xx_soc_pcm_trigger,
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| 	.pointer	= pxa2xx_soc_pcm_pointer,
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| };
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| 
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| static int pxa2xx_soc_platform_probe(struct platform_device *pdev)
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| {
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| 	return devm_snd_soc_register_component(&pdev->dev, &pxa2xx_soc_platform,
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| 					       NULL, 0);
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| }
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| 
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| static struct platform_driver pxa_pcm_driver = {
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| 	.driver = {
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| 		.name = "pxa-pcm-audio",
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| 	},
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| 
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| 	.probe = pxa2xx_soc_platform_probe,
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| };
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| 
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| module_platform_driver(pxa_pcm_driver);
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| 
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| MODULE_AUTHOR("Nicolas Pitre");
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| MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module");
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| MODULE_LICENSE("GPL");
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| MODULE_ALIAS("platform:pxa-pcm-audio");
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