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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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10992004e1
Add new ipc messages which will be sent from driver to FW, to ask FW to enter specific power saving state. Signed-off-by: Keyon Jie <yang.jie@linux.intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20191025224122.7718-14-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
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/*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* Copyright(c) 2018 Intel Corporation. All rights reserved.
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*/
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#ifndef __INCLUDE_SOUND_SOF_PM_H__
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#define __INCLUDE_SOUND_SOF_PM_H__
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#include <sound/sof/header.h>
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/*
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* PM
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*/
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/* PM context element */
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struct sof_ipc_pm_ctx_elem {
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struct sof_ipc_hdr hdr;
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uint32_t type;
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uint32_t size;
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uint64_t addr;
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} __packed;
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/*
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* PM context - SOF_IPC_PM_CTX_SAVE, SOF_IPC_PM_CTX_RESTORE,
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* SOF_IPC_PM_CTX_SIZE
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*/
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struct sof_ipc_pm_ctx {
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struct sof_ipc_cmd_hdr hdr;
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struct sof_ipc_host_buffer buffer;
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uint32_t num_elems;
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uint32_t size;
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/* reserved for future use */
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uint32_t reserved[8];
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struct sof_ipc_pm_ctx_elem elems[];
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} __packed;
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/* enable or disable cores - SOF_IPC_PM_CORE_ENABLE */
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struct sof_ipc_pm_core_config {
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struct sof_ipc_cmd_hdr hdr;
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uint32_t enable_mask;
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} __packed;
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struct sof_ipc_pm_gate {
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struct sof_ipc_cmd_hdr hdr;
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uint32_t flags; /* platform specific */
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/* reserved for future use */
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uint32_t reserved[5];
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} __packed;
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#endif
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