1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* Copyright(c) 2025 Intel Corporation.
*/
#ifndef __HDA_SDW_BPT_H
#define __HDA_SDW_BPT_H
#include <linux/device.h>
struct hdac_ext_stream;
struct snd_dma_buffer;
#if IS_ENABLED(CONFIG_SND_SOF_SOF_HDA_SDW_BPT)
int hda_sdw_bpt_open(struct device *dev, int link_id, struct hdac_ext_stream **bpt_tx_stream,
struct snd_dma_buffer *dmab_tx_bdl, u32 bpt_tx_num_bytes,
u32 tx_dma_bandwidth, struct hdac_ext_stream **bpt_rx_stream,
struct snd_dma_buffer *dmab_rx_bdl, u32 bpt_rx_num_bytes,
u32 rx_dma_bandwidth);
int hda_sdw_bpt_send_async(struct device *dev, struct hdac_ext_stream *bpt_tx_stream,
struct hdac_ext_stream *bpt_rx_stream);
int hda_sdw_bpt_wait(struct device *dev, struct hdac_ext_stream *bpt_tx_stream,
struct hdac_ext_stream *bpt_rx_stream);
int hda_sdw_bpt_close(struct device *dev, struct hdac_ext_stream *bpt_tx_stream,
struct snd_dma_buffer *dmab_tx_bdl, struct hdac_ext_stream *bpt_rx_stream,
struct snd_dma_buffer *dmab_rx_bdl);
#else
static inline int hda_sdw_bpt_open(struct device *dev, int link_id,
struct hdac_ext_stream **bpt_tx_stream,
struct snd_dma_buffer *dmab_tx_bdl, u32 bpt_tx_num_bytes,
u32 tx_dma_bandwidth, struct hdac_ext_stream **bpt_rx_stream,
struct snd_dma_buffer *dmab_rx_bdl, u32 bpt_rx_num_bytes,
u32 rx_dma_bandwidth)
{
WARN_ONCE(1, "SoundWire BPT is disabled");
return -EOPNOTSUPP;
}
static inline int hda_sdw_bpt_send_async(struct device *dev, struct hdac_ext_stream *bpt_tx_stream,
struct hdac_ext_stream *bpt_rx_stream)
{
WARN_ONCE(1, "SoundWire BPT is disabled");
return -EOPNOTSUPP;
}
static inline int hda_sdw_bpt_wait(struct device *dev, struct hdac_ext_stream *bpt_tx_stream,
struct hdac_ext_stream *bpt_rx_stream)
{
WARN_ONCE(1, "SoundWire BPT is disabled");
return -EOPNOTSUPP;
}
static inline int hda_sdw_bpt_close(struct device *dev, struct hdac_ext_stream *bpt_tx_stream,
struct snd_dma_buffer *dmab_tx_bdl,
struct hdac_ext_stream *bpt_rx_stream,
struct snd_dma_buffer *dmab_rx_bdl)
{
WARN_ONCE(1, "SoundWire BPT is disabled");
return -EOPNOTSUPP;
}
#endif
#endif /* __HDA_SDW_BPT_H */
|
