xref: /kernel/linux/linux-5.10/include/sound/sof/pm.h

/* 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) 2018 Intel Corporation. All rights reserved.
 */

#ifndef __INCLUDE_SOUND_SOF_PM_H__
#define __INCLUDE_SOUND_SOF_PM_H__

#include <sound/sof/header.h>

/*
 * PM
 */

/* PM context element */
struct sof_ipc_pm_ctx_elem {
	struct sof_ipc_hdr hdr;
	uint32_t type;
	uint32_t size;
	uint64_t addr;
}  __packed;

/*
 * PM context - SOF_IPC_PM_CTX_SAVE, SOF_IPC_PM_CTX_RESTORE,
 * SOF_IPC_PM_CTX_SIZE
 */
struct sof_ipc_pm_ctx {
	struct sof_ipc_cmd_hdr hdr;
	struct sof_ipc_host_buffer buffer;
	uint32_t num_elems;
	uint32_t size;

	/* reserved for future use */
	uint32_t reserved[8];

	struct sof_ipc_pm_ctx_elem elems[];
} __packed;

/* enable or disable cores - SOF_IPC_PM_CORE_ENABLE */
struct sof_ipc_pm_core_config {
	struct sof_ipc_cmd_hdr hdr;
	uint32_t enable_mask;
} __packed;

struct sof_ipc_pm_gate {
	struct sof_ipc_cmd_hdr hdr;
	uint32_t flags;	/* platform specific */

	/* reserved for future use */
	uint32_t reserved[5];
} __packed;

#endif