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/*
* ALSA SoC McASP Audio Layer for TI DAVINCI processor
*
* MCASP related definitions
*
* Author: Nirmal Pandey <n-pandey@ti.com>,
* Suresh Rajashekara <suresh.r@ti.com>
* Steve Chen <schen@.mvista.com>
*
* Copyright: (C) 2009 MontaVista Software, Inc., <source@mvista.com>
* Copyright: (C) 2009 Texas Instruments, India
*
* 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_MCASP_H
#define DAVINCI_MCASP_H
#include <linux/io.h>
#include <mach/asp.h>
#include "davinci-pcm.h"
extern struct snd_soc_dai davinci_mcasp_dai[];
#define DAVINCI_MCASP_RATES SNDRV_PCM_RATE_8000_96000
#define DAVINCI_MCASP_I2S_DAI 0
#define DAVINCI_MCASP_DIT_DAI 1
enum {
DAVINCI_AUDIO_WORD_8 = 0,
DAVINCI_AUDIO_WORD_12,
DAVINCI_AUDIO_WORD_16,
DAVINCI_AUDIO_WORD_20,
DAVINCI_AUDIO_WORD_24,
DAVINCI_AUDIO_WORD_32,
DAVINCI_AUDIO_WORD_28, /* This is only valid for McASP */
};
struct davinci_audio_dev {
/*
* dma_params must be first because rtd->dai->cpu_dai->private_data
* is cast to a pointer of an array of struct davinci_pcm_dma_params in
* davinci_pcm_open.
*/
struct davinci_pcm_dma_params dma_params[2];
void __iomem *base;
int sample_rate;
struct clk *clk;
unsigned int codec_fmt;
/* McASP specific data */
int tdm_slots;
u8 op_mode;
u8 num_serializer;
u8 *serial_dir;
u8 version;
/* McASP FIFO related */
u8 txnumevt;
u8 rxnumevt;
};
#endif /* DAVINCI_MCASP_H */
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