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/*
* Copyright (c) 2018 STMicroelectronics
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef MPXXDTYY_H
#define MPXXDTYY_H
#include <zephyr/audio/dmic.h>
#include <zephyr/kernel.h>
#include <zephyr/device.h>
#include "OpenPDMFilter.h"
#ifdef __cplusplus
extern "C" {
#endif
#define MPXXDTYY_MIN_PDM_FREQ 1200000 /* 1.2MHz */
#define MPXXDTYY_MAX_PDM_FREQ 3250000 /* 3.25MHz */
struct mpxxdtyy_config {
const struct device *comm_master;
};
struct mpxxdtyy_data {
enum dmic_state state;
TPDMFilter_InitStruct pdm_filter[2];
size_t pcm_mem_size;
struct k_mem_slab *pcm_mem_slab;
};
uint16_t sw_filter_lib_init(const struct device *dev, struct dmic_cfg *cfg);
int sw_filter_lib_run(TPDMFilter_InitStruct *pdm_filter,
void *pdm_block, void *pcm_block,
size_t pdm_size, size_t pcm_size);
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2s)
int mpxxdtyy_i2s_read(const struct device *dev, uint8_t stream, void **buffer,
size_t *size, int32_t timeout);
int mpxxdtyy_i2s_trigger(const struct device *dev, enum dmic_trigger cmd);
int mpxxdtyy_i2s_configure(const struct device *dev, struct dmic_cfg *cfg);
#endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(i2s) */
#ifdef __cplusplus
}
#endif
#endif /* MPXXDTYY_H */