2024-09-09 08:52:07 +00:00
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/*
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* ALSA PCM interface for the TI DAVINCI processor
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*
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* Author: Vladimir Barinov, <vbarinov@embeddedalley.com>
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* Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef _DAVINCI_PCM_H
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#define _DAVINCI_PCM_H
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2024-09-09 08:57:42 +00:00
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#include <linux/genalloc.h>
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#include <linux/platform_data/davinci_asp.h>
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#include <linux/platform_data/edma.h>
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2024-09-09 08:52:07 +00:00
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struct davinci_pcm_dma_params {
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int channel; /* sync dma channel ID */
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unsigned short acnt;
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dma_addr_t dma_addr; /* device physical address for DMA */
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unsigned sram_size;
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2024-09-09 08:57:42 +00:00
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struct gen_pool *sram_pool; /* SRAM gen_pool for ping pong */
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2024-09-09 08:52:07 +00:00
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enum dma_event_q asp_chan_q; /* event queue number for ASP channel */
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enum dma_event_q ram_chan_q; /* event queue number for RAM channel */
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unsigned char data_type; /* xfer data type */
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unsigned char convert_mono_stereo;
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unsigned int fifo_level;
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};
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2024-09-09 08:57:42 +00:00
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#if IS_ENABLED(CONFIG_SND_DAVINCI_SOC)
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int davinci_soc_platform_register(struct device *dev);
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#else
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static inline int davinci_soc_platform_register(struct device *dev)
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{
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return 0;
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}
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#endif /* CONFIG_SND_DAVINCI_SOC */
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2024-09-09 08:52:07 +00:00
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#endif
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