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1/* SPDX-License-Identifier: GPL-2.0-only */
2
3#ifndef __SOC_SOF_CLIENT_H
4#define __SOC_SOF_CLIENT_H
5
6#include <linux/auxiliary_bus.h>
7#include <linux/device.h>
8#include <linux/list.h>
9#include <sound/sof.h>
10
11struct sof_ipc_fw_version;
12struct sof_ipc_cmd_hdr;
13struct snd_sof_dev;
14struct dentry;
15
16struct sof_ipc4_fw_module;
17
18/**
19 * struct sof_client_dev - SOF client device
20 * @auxdev: auxiliary device
21 * @sdev: pointer to SOF core device struct
22 * @list: item in SOF core client dev list
23 * @data: device specific data
24 */
25struct sof_client_dev {
26 struct auxiliary_device auxdev;
27 struct snd_sof_dev *sdev;
28 struct list_head list;
29 void *data;
30};
31
32#define sof_client_dev_to_sof_dev(cdev) ((cdev)->sdev)
33
34#define auxiliary_dev_to_sof_client_dev(auxiliary_dev) \
35 container_of(auxiliary_dev, struct sof_client_dev, auxdev)
36
37#define dev_to_sof_client_dev(dev) \
38 container_of(to_auxiliary_dev(dev), struct sof_client_dev, auxdev)
39
40int sof_client_ipc_tx_message(struct sof_client_dev *cdev, void *ipc_msg,
41 void *reply_data, size_t reply_bytes);
42int sof_client_ipc_set_get_data(struct sof_client_dev *cdev, void *ipc_msg,
43 bool set);
44
45struct sof_ipc4_fw_module *sof_client_ipc4_find_module(struct sof_client_dev *c, const guid_t *u);
46
47struct dentry *sof_client_get_debugfs_root(struct sof_client_dev *cdev);
48struct device *sof_client_get_dma_dev(struct sof_client_dev *cdev);
49const struct sof_ipc_fw_version *sof_client_get_fw_version(struct sof_client_dev *cdev);
50size_t sof_client_get_ipc_max_payload_size(struct sof_client_dev *cdev);
51enum sof_ipc_type sof_client_get_ipc_type(struct sof_client_dev *cdev);
52
53/* module refcount management of SOF core */
54int sof_client_core_module_get(struct sof_client_dev *cdev);
55void sof_client_core_module_put(struct sof_client_dev *cdev);
56
57/* IPC notification */
58typedef void (*sof_client_event_callback)(struct sof_client_dev *cdev, void *msg_buf);
59
60int sof_client_register_ipc_rx_handler(struct sof_client_dev *cdev,
61 u32 ipc_msg_type,
62 sof_client_event_callback callback);
63void sof_client_unregister_ipc_rx_handler(struct sof_client_dev *cdev,
64 u32 ipc_msg_type);
65
66/* DSP state notification and query */
67typedef void (*sof_client_fw_state_callback)(struct sof_client_dev *cdev,
68 enum sof_fw_state state);
69
70int sof_client_register_fw_state_handler(struct sof_client_dev *cdev,
71 sof_client_fw_state_callback callback);
72void sof_client_unregister_fw_state_handler(struct sof_client_dev *cdev);
73enum sof_fw_state sof_client_get_fw_state(struct sof_client_dev *cdev);
74
75#endif /* __SOC_SOF_CLIENT_H */