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 */
  19 struct 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  */
  30 struct 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 */
  43 struct sof_ipc_pm_core_config {
  44         struct sof_ipc_cmd_hdr hdr;
  45         uint32_t enable_mask;
  46 } __packed;
  47
  48 struct 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