linux/sound/soc/loongson/loongson_i2s.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * ALSA I2S interface for the Loongson platform
 *
 * Copyright (C) 2023 Loongson Technology Corporation Limited
 * Author: Yingkun Meng <[email protected]>
 */

#ifndef _LOONGSON_I2S_H
#define _LOONGSON_I2S_H

#include <linux/regmap.h>
#include <sound/dmaengine_pcm.h>

/* I2S Common Registers */
#define LS_I2S_VER …
#define LS_I2S_CFG …
#define LS_I2S_CTRL …
#define LS_I2S_RX_DATA …
#define LS_I2S_TX_DATA …

/* 2K2000 I2S Specify Registers */
#define LS_I2S_CFG1 …

/* 7A2000 I2S Specify Registers */
#define LS_I2S_TX_ORDER …
#define LS_I2S_RX_ORDER …

/* Loongson I2S Control Register */
#define I2S_CTRL_MCLK_READY …
#define I2S_CTRL_MASTER …
#define I2S_CTRL_MSB …
#define I2S_CTRL_RX_EN …
#define I2S_CTRL_TX_EN …
#define I2S_CTRL_RX_DMA_EN …
#define I2S_CTRL_CLK_READY …
#define I2S_CTRL_TX_DMA_EN …
#define I2S_CTRL_RESET …
#define I2S_CTRL_MCLK_EN …
#define I2S_CTRL_RX_INT_EN …
#define I2S_CTRL_TX_INT_EN …

#define LS_I2S_DRVNAME …

struct loongson_dma_data { … };

struct loongson_i2s { … };

extern const struct dev_pm_ops loongson_i2s_pm;
extern struct snd_soc_dai_driver loongson_i2s_dai;

#endif