root/sound/soc/sof/sof-client.h
/* SPDX-License-Identifier: GPL-2.0-only */

#ifndef __SOC_SOF_CLIENT_H
#define __SOC_SOF_CLIENT_H

#include <linux/auxiliary_bus.h>
#include <linux/device.h>
#include <linux/list.h>
#include <sound/sof.h>

struct sof_ipc_fw_version;
struct sof_ipc_cmd_hdr;
struct snd_sof_dev;
struct dentry;

struct sof_ipc4_fw_module;

/**
 * struct sof_client_dev - SOF client device
 * @auxdev:     auxiliary device
 * @data:       device specific data
 */
struct sof_client_dev {
        struct auxiliary_device auxdev;
        void *data;
};

#define auxiliary_dev_to_sof_client_dev(auxiliary_dev) \
        container_of(auxiliary_dev, struct sof_client_dev, auxdev)

#define dev_to_sof_client_dev(dev) \
        container_of(to_auxiliary_dev(dev), struct sof_client_dev, auxdev)

int sof_client_ipc_tx_message(struct sof_client_dev *cdev, void *ipc_msg,
                              void *reply_data, size_t reply_bytes);
static inline int sof_client_ipc_tx_message_no_reply(struct sof_client_dev *cdev, void *ipc_msg)
{
        return sof_client_ipc_tx_message(cdev, ipc_msg, NULL, 0);
}
int sof_client_ipc_set_get_data(struct sof_client_dev *cdev, void *ipc_msg,
                                bool set);

struct sof_ipc4_fw_module *sof_client_ipc4_find_module(struct sof_client_dev *c, const guid_t *u);
struct snd_sof_widget *sof_client_ipc4_find_swidget_by_id(struct sof_client_dev *cdev,
                                                          u32 module_id, int instance_id);

struct dentry *sof_client_get_debugfs_root(struct sof_client_dev *cdev);
struct device *sof_client_get_dma_dev(struct sof_client_dev *cdev);
const struct sof_ipc_fw_version *sof_client_get_fw_version(struct sof_client_dev *cdev);
size_t sof_client_get_ipc_max_payload_size(struct sof_client_dev *cdev);
enum sof_ipc_type sof_client_get_ipc_type(struct sof_client_dev *cdev);

/* DSP/firmware boot request */
int sof_client_boot_dsp(struct sof_client_dev *cdev);

/* module refcount management of SOF core */
int sof_client_core_module_get(struct sof_client_dev *cdev);
void sof_client_core_module_put(struct sof_client_dev *cdev);

/* IPC notification */
typedef void (*sof_client_event_callback)(struct sof_client_dev *cdev, void *msg_buf);

int sof_client_register_ipc_rx_handler(struct sof_client_dev *cdev,
                                       u32 ipc_msg_type,
                                       sof_client_event_callback callback);
void sof_client_unregister_ipc_rx_handler(struct sof_client_dev *cdev,
                                          u32 ipc_msg_type);

/* DSP state notification and query */
typedef void (*sof_client_fw_state_callback)(struct sof_client_dev *cdev,
                                             enum sof_fw_state state);

int sof_client_register_fw_state_handler(struct sof_client_dev *cdev,
                                         sof_client_fw_state_callback callback);
void sof_client_unregister_fw_state_handler(struct sof_client_dev *cdev);
enum sof_fw_state sof_client_get_fw_state(struct sof_client_dev *cdev);
int sof_client_ipc_rx_message(struct sof_client_dev *cdev, void *ipc_msg, void *msg_buf);

#endif /* __SOC_SOF_CLIENT_H */