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