pinebuds/platform/hal/hal_i2s_tdm.h
2022-08-15 17:20:27 +08:00

74 lines
2.6 KiB
C

/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#ifndef __HAL_I2S_TDM_H__
#define __HAL_I2S_TDM_H__
#ifdef __cplusplus
extern "C" {
#endif
#include "hal_i2s.h"
#include "hal_tdm.h"
#define I2S_TDM_BUF_ALIGN __attribute__((aligned(0x100)))
enum HAL_I2S_TDM_CYCLES_T {
HAL_I2S_TDM_CYCLES_16 = HAL_TDM_CYCLES_16,
HAL_I2S_TDM_CYCLES_32 = HAL_TDM_CYCLES_32,
HAL_I2S_TDM_CYCLES_64 = HAL_TDM_CYCLES_64,
HAL_I2S_TDM_CYCLES_128 = HAL_TDM_CYCLES_128,
HAL_I2S_TDM_CYCLES_256 = HAL_TDM_CYCLES_256,
HAL_I2S_TDM_CYCLES_512 = HAL_TDM_CYCLES_512,
HAL_I2S_TDM_CYCLES_NUM,
};
enum HAL_I2S_TDM_FS_CYCLES_T {
HAL_I2S_TDM_FS_CYCLES_ONE_LESS = HAL_TDM_FS_CYCLES_ONE_LESS,
HAL_I2S_TDM_FS_CYCLES_1 = HAL_TDM_FS_CYCLES_1,
HAL_I2S_TDM_FS_CYCLES_8 = HAL_TDM_FS_CYCLES_8,
HAL_I2S_TDM_FS_CYCLES_16 = HAL_TDM_FS_CYCLES_16,
HAL_I2S_TDM_FS_CYCLES_32 = HAL_TDM_FS_CYCLES_32,
HAL_I2S_TDM_FS_CYCLES_64 = HAL_TDM_FS_CYCLES_64,
HAL_I2S_TDM_FS_CYCLES_128 = HAL_TDM_FS_CYCLES_128,
HAL_I2S_TDM_FS_CYCLES_256 = HAL_TDM_FS_CYCLES_256,
};
enum HAL_I2S_TDM_SLOT_CYCLES_T {
HAL_I2S_TDM_SLOT_CYCLES_32 = HAL_TDM_SLOT_CYCLES_32,
HAL_I2S_TDM_SLOT_CYCLES_16 = HAL_TDM_SLOT_CYCLES_16,
};
struct HAL_I2S_TDM_CONFIG_T {
enum HAL_I2S_TDM_CYCLES_T cycles;
enum HAL_I2S_TDM_FS_CYCLES_T fs_cycles;
enum HAL_I2S_TDM_SLOT_CYCLES_T slot_cycles;
uint32_t data_offset;
};
int32_t hal_i2s_tdm_open(enum HAL_I2S_ID_T i2s_id,enum HAL_I2S_MODE_T mode);
int32_t hal_i2s_tdm_setup(enum HAL_I2S_ID_T i2s_id,
uint32_t sample_rate,
struct HAL_I2S_TDM_CONFIG_T *i2s_tdm_cfg);
int32_t hal_i2s_tdm_start_stream(enum HAL_I2S_ID_T i2s_id);
int32_t hal_i2s_tdm_stop_stream(enum HAL_I2S_ID_T i2s_id);
int32_t hal_i2s_tdm_close(enum HAL_I2S_ID_T i2s_id);
void hal_i2s_tdm_set_config(enum HAL_I2S_ID_T i2s_id,struct HAL_I2S_TDM_CONFIG_T *tdm_cfg);
void hal_i2s_tdm_get_config(enum HAL_I2S_ID_T i2s_id,struct HAL_I2S_TDM_CONFIG_T *tdm_cfg);
#ifdef __cplusplus
}
#endif
#endif // __HAL_I2S_TDM_H__