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Spresense SDK Library v3.3.0-375c679
nxaudio.h
1/****************************************************************************
2 * arch/arm/include/cxd56xx/nxaudio.h
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership. The
7 * ASF licenses this file to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance with the
9 * License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
16 * License for the specific language governing permissions and limitations
17 * under the License.
18 *
19 ****************************************************************************/
20
21#ifndef __INCLUDE_NUTTX_AUDIO_CXD56_H
22#define __INCLUDE_NUTTX_AUDIO_CXD56_H
23
24/****************************************************************************
25 * Included Files
26 ****************************************************************************/
27
28#include <stdint.h>
29#include <stdbool.h>
30
31#include <nuttx/irq.h>
32
33#if defined(CONFIG_AUDIO_CXD56) || defined(CONFIG_CXD56_AUDIO)
34
35/****************************************************************************
36 * Public Types
37 ****************************************************************************/
38
39struct cxd56_lower_s
40{
41 int dma_handle;
42};
43
44/****************************************************************************
45 * Public Data
46 ****************************************************************************/
47
48#ifdef __cplusplus
49#define EXTERN extern "C"
50extern "C"
51{
52#else
53#define EXTERN extern
54#endif
55
56/****************************************************************************
57 * Public Function Prototypes
58 ****************************************************************************/
59
60struct audio_lowerhalf_s;
61
62struct audio_lowerhalf_s *
63cxd56_initialize(const struct cxd56_lower_s *lower);
64
65#undef EXTERN
66#ifdef __cplusplus
67}
68#endif
69
70#endif /* CONFIG_CXD56_AUDIO */
71#endif /* __INCLUDE_NUTTX_AUDIO_CXD56_H */