mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-03 12:36:46 +07:00
d486fea6ba
For TDM mode, BCLK-to-LCLK ratio is computed as (tdm_slots) x (word_length). I2S mode is only subset of TDM mode with specific tdm_slots = 2 channels. Also bclk_lrclk_ratio can be greater than 255, therefore u16 need to be used. Signed-off-by: Michal Bachraty <michal.bachraty@streamunlimited.com> Acked-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
49 lines
1.1 KiB
C
49 lines
1.1 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 <linux/platform_data/davinci_asp.h>
|
|
|
|
#include "davinci-pcm.h"
|
|
|
|
#define DAVINCI_MCASP_RATES SNDRV_PCM_RATE_8000_192000
|
|
#define DAVINCI_MCASP_I2S_DAI 0
|
|
#define DAVINCI_MCASP_DIT_DAI 1
|
|
|
|
struct davinci_audio_dev {
|
|
struct davinci_pcm_dma_params dma_params[2];
|
|
void __iomem *base;
|
|
struct device *dev;
|
|
|
|
/* McASP specific data */
|
|
int tdm_slots;
|
|
u8 op_mode;
|
|
u8 num_serializer;
|
|
u8 *serial_dir;
|
|
u8 version;
|
|
u16 bclk_lrclk_ratio;
|
|
|
|
/* McASP FIFO related */
|
|
u8 txnumevt;
|
|
u8 rxnumevt;
|
|
};
|
|
|
|
#endif /* DAVINCI_MCASP_H */
|