Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2
3#ifndef __SOF_CLIENT_PROBES_H
4#define __SOF_CLIENT_PROBES_H
5
6struct snd_compr_stream;
7struct snd_compr_tstamp64;
8struct snd_compr_params;
9struct sof_client_dev;
10struct snd_soc_dai;
11
12/*
13 * Callbacks used on platforms where the control for audio is split between
14 * DSP and host, like HDA.
15 */
16struct sof_probes_host_ops {
17 int (*startup)(struct sof_client_dev *cdev, struct snd_compr_stream *cstream,
18 struct snd_soc_dai *dai, u32 *stream_id);
19 int (*shutdown)(struct sof_client_dev *cdev, struct snd_compr_stream *cstream,
20 struct snd_soc_dai *dai);
21 int (*set_params)(struct sof_client_dev *cdev, struct snd_compr_stream *cstream,
22 struct snd_compr_params *params,
23 struct snd_soc_dai *dai);
24 int (*trigger)(struct sof_client_dev *cdev, struct snd_compr_stream *cstream,
25 int cmd, struct snd_soc_dai *dai);
26 int (*pointer)(struct sof_client_dev *cdev, struct snd_compr_stream *cstream,
27 struct snd_compr_tstamp64 *tstamp,
28 struct snd_soc_dai *dai);
29};
30
31struct sof_probe_point_desc {
32 unsigned int buffer_id;
33 unsigned int purpose;
34 unsigned int stream_tag;
35} __packed;
36
37enum sof_probe_info_type {
38 PROBES_INFO_ACTIVE_PROBES,
39 PROBES_INFO_AVAILABE_PROBES,
40};
41
42struct sof_probes_ipc_ops {
43 int (*init)(struct sof_client_dev *cdev, u32 stream_tag,
44 size_t buffer_size);
45 int (*deinit)(struct sof_client_dev *cdev);
46 int (*points_info)(struct sof_client_dev *cdev,
47 struct sof_probe_point_desc **desc,
48 size_t *num_desc, enum sof_probe_info_type type);
49 int (*point_print)(struct sof_client_dev *cdev, char *buf, size_t size,
50 struct sof_probe_point_desc *desc);
51 int (*points_add)(struct sof_client_dev *cdev,
52 struct sof_probe_point_desc *desc,
53 size_t num_desc);
54 int (*points_remove)(struct sof_client_dev *cdev,
55 unsigned int *buffer_id, size_t num_buffer_id);
56};
57
58extern const struct sof_probes_ipc_ops ipc3_probe_ops;
59extern const struct sof_probes_ipc_ops ipc4_probe_ops;
60
61struct sof_probes_priv {
62 struct dentry *dfs_points;
63 struct dentry *dfs_points_remove;
64 u32 extractor_stream_tag;
65 struct snd_soc_card card;
66 void *ipc_priv;
67
68 const struct sof_probes_host_ops *host_ops;
69 const struct sof_probes_ipc_ops *ipc_ops;
70};
71
72#endif