linux/sound/soc/intel/common/sst-ipc.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Intel SST generic IPC Support
 *
 * Copyright (C) 2015, Intel Corporation
 */

#ifndef __SST_GENERIC_IPC_H
#define __SST_GENERIC_IPC_H

#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/wait.h>
#include <linux/list.h>
#include <linux/workqueue.h>
#include <linux/sched.h>

struct sst_ipc_message { … };

struct ipc_message { … };

struct sst_generic_ipc;
struct sst_dsp;

struct sst_plat_ipc_ops { … };

/* SST generic IPC data */
struct sst_generic_ipc { … };

int sst_ipc_tx_message_wait(struct sst_generic_ipc *ipc,
	struct sst_ipc_message request, struct sst_ipc_message *reply);

int sst_ipc_tx_message_nowait(struct sst_generic_ipc *ipc,
	struct sst_ipc_message request);

int sst_ipc_tx_message_nopm(struct sst_generic_ipc *ipc,
	struct sst_ipc_message request, struct sst_ipc_message *reply);

struct ipc_message *sst_ipc_reply_find_msg(struct sst_generic_ipc *ipc,
	u64 header);

void sst_ipc_tx_msg_reply_complete(struct sst_generic_ipc *ipc,
	struct ipc_message *msg);

int sst_ipc_init(struct sst_generic_ipc *ipc);
void sst_ipc_fini(struct sst_generic_ipc *ipc);

#endif