66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
|
/*
|
||
|
|
* 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 */
|