LXR linux/include/sound/sof/pm.h

   1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
   2/*
   3 * This file is provided under a dual BSD/GPLv2 license.  When using or
   4 * redistributing this file, you may do so under either license.
   5 *
   6 * Copyright(c) 2018 Intel Corporation. All rights reserved.
   7 */
   8
   9#ifndef __INCLUDE_SOUND_SOF_PM_H__
  10#define __INCLUDE_SOUND_SOF_PM_H__
  11
  12#include <sound/sof/header.h>
  13
  14/*
  15 * PM
  16 */
  17
  18/* PM context element */
  19struct sof_ipc_pm_ctx_elem {
  20        struct sof_ipc_hdr hdr;
  21        uint32_t type;
  22        uint32_t size;
  23        uint64_t addr;
  24}  __packed;
  25
  26/*
  27 * PM context - SOF_IPC_PM_CTX_SAVE, SOF_IPC_PM_CTX_RESTORE,
  28 * SOF_IPC_PM_CTX_SIZE
  29 */
  30struct sof_ipc_pm_ctx {
  31        struct sof_ipc_cmd_hdr hdr;
  32        struct sof_ipc_host_buffer buffer;
  33        uint32_t num_elems;
  34        uint32_t size;
  35
  36        /* reserved for future use */
  37        uint32_t reserved[8];
  38
  39        struct sof_ipc_pm_ctx_elem elems[];
  40} __packed;
  41
  42/* enable or disable cores - SOF_IPC_PM_CORE_ENABLE */
  43struct sof_ipc_pm_core_config {
  44        struct sof_ipc_cmd_hdr hdr;
  45        uint32_t enable_mask;
  46} __packed;
  47
  48struct sof_ipc_pm_gate {
  49        struct sof_ipc_cmd_hdr hdr;
  50        uint32_t flags; /* platform specific */
  51
  52        /* reserved for future use */
  53        uint32_t reserved[5];
  54} __packed;
  55
  56#endif
  57