os_hal_i2s.h

/*
 * (C) 2005-2020 MediaTek Inc. All rights reserved.
 *
 * Copyright Statement:
 *
 * This MT3620 driver software/firmware and related documentation
 * ("MediaTek Software") are protected under relevant copyright laws.
 * The information contained herein is confidential and proprietary to
 * MediaTek Inc. ("MediaTek"). You may only use, reproduce, modify, or
 * distribute (as applicable) MediaTek Software if you have agreed to and been
 * bound by this Statement and the applicable license agreement with MediaTek
 * ("License Agreement") and been granted explicit permission to do so within
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 * please cease any access or use of MediaTek Software immediately.
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 * THAT MEDIATEK SOFTWARE RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE
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#ifndef __OS_HAL_I2S_H__
#define __OS_HAL_I2S_H__

#include "mhal_i2s.h"

typedef struct {
    hal_i2s_initial_type        i2s_initial_type;
    hal_i2s_sample_rate     sample_rate;
    hal_i2s_link_bits_sample    bits_per_sample;
    hal_i2s_channel_number      channel_number;
    hal_i2s_link_channel_per_sample channels_per_sample;
    unsigned int            msb_offset;
    i2s_fnen            word_select_inverse;
    i2s_fnen            lr_swap;
    hal_i2s_tx_mode         tx_mode;
    hal_i2s_rx_down_rate        rx_down_rate;
    unsigned int            *tx_buffer_addr;
    unsigned int            tx_buffer_len;
    unsigned int            tx_period_len;
    unsigned int            *rx_buffer_addr;
    unsigned int            rx_buffer_len;
    unsigned int            rx_period_len;
    i2s_dma_callback_func       tx_callback_func;
    void                *tx_callback_data;
    i2s_dma_callback_func       rx_callback_func;
    void                *rx_callback_data;
} audio_parameter;
#ifdef __cplusplus
extern "C" {
#endif

int mtk_os_hal_config_i2s(i2s_no i2s_port, audio_parameter *parameter);

int mtk_os_hal_enable_i2s(i2s_no i2s_port);

int mtk_os_hal_disable_i2s(i2s_no i2s_port);

int mtk_os_hal_request_i2s(i2s_no i2s_port);

int mtk_os_hal_free_i2s(i2s_no i2s_port);

#ifdef __cplusplus
}
#endif

#endif  /*__OS_HAL_I2S_H__*/