The header file contains essential structure definitions, description of
bit fields and bits in the ipc4 header and an internally used ipc4 message
container definition.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Reviewed-by: Rander Wang <rander.wang@xxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
---
include/sound/sof/ipc4/header.h | 460 ++++++++++++++++++++++++++++++++
1 file changed, 460 insertions(+)
create mode 100644 include/sound/sof/ipc4/header.h
diff --git a/include/sound/sof/ipc4/header.h b/include/sound/sof/ipc4/header.h
new file mode 100644
index 000000000000..b8b8e5b5e3e1
--- /dev/null
+++ b/include/sound/sof/ipc4/header.h
@@ -0,0 +1,460 @@
+/* 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) 2022 Intel Corporation. All rights reserved.
+ */
+
+#ifndef __INCLUDE_SOUND_SOF_IPC4_HEADER_H__
+#define __INCLUDE_SOUND_SOF_IPC4_HEADER_H__
+
+#include <linux/types.h>
+#include <uapi/sound/sof/abi.h>
+
+/* maximum message size for mailbox Tx/Rx */
+#define SOF_IPC4_MSG_MAX_SIZE 4096
+
+/** \addtogroup sof_uapi uAPI
+ * SOF uAPI specification.
+ * @{
+ */
+
+/**
+ * struct sof_ipc4_msg - Placeholder of an IPC4 message
+ * @header_u64: IPC4 header as single u64 number
+ * @primary: Primary, mandatory part of the header
+ * @extension: Extended part of the header, if not used it should be
+ * set to 0
+ * @data_size: Size of data in bytes pointed by @data_ptr
+ * @data_ptr: Pointer to the optional payload of a message
+ */
+struct sof_ipc4_msg {
+ union {
+ u64 header_u64;
+ struct {
+ u32 primary;
+ u32 extension;
+ };
+ };
+
+ size_t data_size;
+ void *data_ptr;
+};
+
+/**
+ * struct sof_ipc4_tuple - Generic type/ID and parameter tuple
+ * @type: type/ID
+ * @size: size of the @value array in bytes
+ * @value: value for the given type
+ */
+struct sof_ipc4_tuple {
+ uint32_t type;
+ uint32_t size;
+ uint32_t value[];
+} __packed;
+
+/*
+ * IPC4 messages have two 32 bit identifier made up as follows :-
+ *
+ * header - msg type, msg id, msg direction ...
+ * extension - extra params such as msg data size in mailbox
+ *
+ * These are sent at the start of the IPC message in the mailbox. Messages
+ * should not be sent in the doorbell (special exceptions for firmware).
+ */
+
+/*
+ * IPC4 primary header bit allocation for messages
+ * bit 0-23: message type specific
+ * bit 24-28: type: enum sof_ipc4_global_msg if target is SOF_IPC4_FW_GEN_MSG
+ * enum sof_ipc4_module_type if target is SOF_IPC4_MODULE_MSG
+ * bit 29: response - sof_ipc4_msg_dir
+ * bit 30: target - enum sof_ipc4_msg_target
+ * bit 31: reserved, unused
+ */
+
+/* Value of target field - must fit into 1 bit */
+enum sof_ipc4_msg_target {
+ /* Global FW message */
+ SOF_IPC4_FW_GEN_MSG,
+
+ /* Module message */
+ SOF_IPC4_MODULE_MSG
+};
+
+/* Value of type field - must fit into 5 bits */
+enum sof_ipc4_global_msg {
+ SOF_IPC4_GLB_BOOT_CONFIG,
+ SOF_IPC4_GLB_ROM_CONTROL,
+ SOF_IPC4_GLB_IPCGATEWAY_CMD,
+
+ /* 3 .. 12: RESERVED - do not use */
+
+ SOF_IPC4_GLB_PERF_MEASUREMENTS_CMD = 13,
+ SOF_IPC4_GLB_CHAIN_DMA,
+
+ SOF_IPC4_GLB_LOAD_MULTIPLE_MODULES,
+ SOF_IPC4_GLB_UNLOAD_MULTIPLE_MODULES,
+
+ /* pipeline settings */
+ SOF_IPC4_GLB_CREATE_PIPELINE,
+ SOF_IPC4_GLB_DELETE_PIPELINE,
+ SOF_IPC4_GLB_SET_PIPELINE_STATE,
+ SOF_IPC4_GLB_GET_PIPELINE_STATE,
+ SOF_IPC4_GLB_GET_PIPELINE_CONTEXT_SIZE,
+ SOF_IPC4_GLB_SAVE_PIPELINE,
+ SOF_IPC4_GLB_RESTORE_PIPELINE,
+
+ /* Loads library (using Code Load or HD/A Host Output DMA) */
+ SOF_IPC4_GLB_LOAD_LIBRARY,
+
+ /* 25: RESERVED - do not use */
+
+ SOF_IPC4_GLB_INTERNAL_MESSAGE = 26,
+
+ /* Notification (FW to SW driver) */
+ SOF_IPC4_GLB_NOTIFICATION,
+
+ /* 28 .. 31: RESERVED - do not use */
+
+ SOF_IPC4_GLB_TYPE_LAST,
+};
+
+/* Value of response field - must fit into 1 bit */
+enum sof_ipc4_msg_dir {
+ SOF_IPC4_MSG_REQUEST,
+ SOF_IPC4_MSG_REPLY,
+};
+
+enum sof_ipc4_pipeline_state {
+ SOF_IPC4_PIPE_INVALID_STATE,
+ SOF_IPC4_PIPE_UNINITIALIZED,
+ SOF_IPC4_PIPE_RESET,
+ SOF_IPC4_PIPE_PAUSED,
+ SOF_IPC4_PIPE_RUNNING,
+ SOF_IPC4_PIPE_EOS
+};
+
+/* Generic message fields (bit 24-30) */
+
+/* encoded to header's msg_tgt field */
+#define SOF_IPC4_MSG_TARGET_SHIFT 30
+#define SOF_IPC4_MSG_TARGET_MASK BIT(30)
+#define SOF_IPC4_MSG_TARGET(x) ((x) << SOF_IPC4_MSG_TARGET_SHIFT)
+#define SOF_IPC4_MSG_IS_MODULE_MSG(x) ((x) & SOF_IPC4_MSG_TARGET_MASK ? 1 : 0)
+
+/* encoded to header's rsp field */
+#define SOF_IPC4_MSG_DIR_SHIFT 29
+#define SOF_IPC4_MSG_DIR_MASK BIT(29)
+#define SOF_IPC4_MSG_DIR(x) ((x) << SOF_IPC4_MSG_DIR_SHIFT)
+
+/* encoded to header's type field */
+#define SOF_IPC4_MSG_TYPE_SHIFT 24
+#define SOF_IPC4_MSG_TYPE_MASK GENMASK(28, 24)
+#define SOF_IPC4_MSG_TYPE_SET(x) (((x) << SOF_IPC4_MSG_TYPE_SHIFT) & \
+ SOF_IPC4_MSG_TYPE_MASK)
+#define SOF_IPC4_MSG_TYPE_GET(x) (((x) & SOF_IPC4_MSG_TYPE_MASK) >> \
+ SOF_IPC4_MSG_TYPE_SHIFT)
+
+/* Global message type specific field definitions */
+
+/* pipeline creation ipc msg */
+#define SOF_IPC4_GLB_PIPE_INSTANCE_SHIFT 16
+#define SOF_IPC4_GLB_PIPE_INSTANCE_MASK GENMASK(23, 16)
+#define SOF_IPC4_GLB_PIPE_INSTANCE_ID(x) ((x) << SOF_IPC4_GLB_PIPE_INSTANCE_SHIFT)
+
+#define SOF_IPC4_GLB_PIPE_PRIORITY_SHIFT 11
+#define SOF_IPC4_GLB_PIPE_PRIORITY_MASK GENMASK(15, 11)
+#define SOF_IPC4_GLB_PIPE_PRIORITY(x) ((x) << SOF_IPC4_GLB_PIPE_PRIORITY_SHIFT)
+
+#define SOF_IPC4_GLB_PIPE_MEM_SIZE_SHIFT 0
+#define SOF_IPC4_GLB_PIPE_MEM_SIZE_MASK GENMASK(10, 0)
+#define SOF_IPC4_GLB_PIPE_MEM_SIZE(x) ((x) << SOF_IPC4_GLB_PIPE_MEM_SIZE_SHIFT)
+
+#define SOF_IPC4_GLB_PIPE_EXT_LP_SHIFT 0
+#define SOF_IPC4_GLB_PIPE_EXT_LP_MASK BIT(0)
+#define SOF_IPC4_GLB_PIPE_EXT_LP(x) ((x) << SOF_IPC4_GLB_PIPE_EXT_LP_SHIFT)
+
+/* pipeline set state ipc msg */
+#define SOF_IPC4_GLB_PIPE_STATE_ID_SHIFT 16
+#define SOF_IPC4_GLB_PIPE_STATE_ID_MASK GENMASK(23, 16)
+#define SOF_IPC4_GLB_PIPE_STATE_ID(x) ((x) << SOF_IPC4_GLB_PIPE_STATE_ID_SHIFT)
+
+#define SOF_IPC4_GLB_PIPE_STATE_SHIFT 0
+#define SOF_IPC4_GLB_PIPE_STATE_MASK GENMASK(15, 0)
+#define SOF_IPC4_GLB_PIPE_STATE(x) ((x) << SOF_IPC4_GLB_PIPE_STATE_SHIFT)
+
+enum sof_ipc4_channel_config {
+ /* one channel only. */
+ SOF_IPC4_CHANNEL_CONFIG_MONO,
+ /* L & R. */
+ SOF_IPC4_CHANNEL_CONFIG_STEREO,
+ /* L, R & LFE; PCM only. */
+ SOF_IPC4_CHANNEL_CONFIG_2_POINT_1,
+ /* L, C & R; MP3 & AAC only. */
+ SOF_IPC4_CHANNEL_CONFIG_3_POINT_0,
+ /* L, C, R & LFE; PCM only. */
+ SOF_IPC4_CHANNEL_CONFIG_3_POINT_1,
+ /* L, R, Ls & Rs; PCM only. */
+ SOF_IPC4_CHANNEL_CONFIG_QUATRO,
+ /* L, C, R & Cs; MP3 & AAC only. */
+ SOF_IPC4_CHANNEL_CONFIG_4_POINT_0,
+ /* L, C, R, Ls & Rs. */
+ SOF_IPC4_CHANNEL_CONFIG_5_POINT_0,
+ /* L, C, R, Ls, Rs & LFE. */
+ SOF_IPC4_CHANNEL_CONFIG_5_POINT_1,
+ /* one channel replicated in two. */
+ SOF_IPC4_CHANNEL_CONFIG_DUAL_MONO,
+ /* Stereo (L,R) in 4 slots, 1st stream: [ L, R, -, - ] */
+ SOF_IPC4_CHANNEL_CONFIG_I2S_DUAL_STEREO_0,
+ /* Stereo (L,R) in 4 slots, 2nd stream: [ -, -, L, R ] */
+ SOF_IPC4_CHANNEL_CONFIG_I2S_DUAL_STEREO_1,
+ /* L, C, R, Ls, Rs & LFE., LS, RS */
+ SOF_IPC4_CHANNEL_CONFIG_7_POINT_1,
+};
+
+enum sof_ipc4_interleaved_style {
+ SOF_IPC4_CHANNELS_INTERLEAVED,
+ SOF_IPC4_CHANNELS_NONINTERLEAVED,
+};
+
+enum sof_ipc4_sample_type {
+ SOF_IPC4_MSB_INTEGER, /* integer with Most Significant Byte first */
+ SOF_IPC4_LSB_INTEGER, /* integer with Least Significant Byte first */
+};
+
+struct sof_ipc4_audio_format {
+ uint32_t sampling_frequency;
+ uint32_t bit_depth;
+ uint32_t ch_map;
+ uint32_t ch_cfg; /* sof_ipc4_channel_config */
+ uint32_t interleaving_style;
+ uint32_t fmt_cfg; /* channels_count valid_bit_depth s_type */
+} __packed __aligned(4);
+
+#define SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT_SHIFT 0
+#define SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT_MASK GENMASK(7, 0)
+#define SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT(x) \
+ ((x) & SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT_MASK)
+#define SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH_SHIFT 8
+#define SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH_MASK GENMASK(15, 8)
+#define SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH(x) \
+ (((x) & SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH_MASK) >> \
+ SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH_SHIFT)
+#define SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE_SHIFT 16
+#define SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE_MASK GENMASK(23, 16)
+#define SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE(x) \
+ (((x) & SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE_MASK) >> \
+ SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE_SHIFT)
+
+/* Module message type specific field definitions */
+
+enum sof_ipc4_module_type {
+ SOF_IPC4_MOD_INIT_INSTANCE,
+ SOF_IPC4_MOD_CONFIG_GET,
+ SOF_IPC4_MOD_CONFIG_SET,
+ SOF_IPC4_MOD_LARGE_CONFIG_GET,
+ SOF_IPC4_MOD_LARGE_CONFIG_SET,
+ SOF_IPC4_MOD_BIND,
+ SOF_IPC4_MOD_UNBIND,
+ SOF_IPC4_MOD_SET_DX,
+ SOF_IPC4_MOD_SET_D0IX,
+ SOF_IPC4_MOD_ENTER_MODULE_RESTORE,
+ SOF_IPC4_MOD_EXIT_MODULE_RESTORE,
+ SOF_IPC4_MOD_DELETE_INSTANCE,
+
+ SOF_IPC4_MOD_TYPE_LAST,
+};
+
+struct sof_ipc4_base_module_cfg {
+ uint32_t cpc; /* the max count of Cycles Per Chunk processing */
+ uint32_t ibs; /* input Buffer Size (in bytes) */
+ uint32_t obs; /* output Buffer Size (in bytes) */
+ uint32_t is_pages; /* number of physical pages used */
+ struct sof_ipc4_audio_format audio_fmt;
+} __packed __aligned(4);
+
+/* common module ipc msg */
+#define SOF_IPC4_MOD_INSTANCE_SHIFT 16
+#define SOF_IPC4_MOD_INSTANCE_MASK GENMASK(23, 16)
+#define SOF_IPC4_MOD_INSTANCE(x) ((x) << SOF_IPC4_MOD_INSTANCE_SHIFT)
+
+#define SOF_IPC4_MOD_ID_SHIFT 0
+#define SOF_IPC4_MOD_ID_MASK GENMASK(15, 0)
+#define SOF_IPC4_MOD_ID(x) ((x) << SOF_IPC4_MOD_ID_SHIFT)
+
+/* init module ipc msg */
+#define SOF_IPC4_MOD_EXT_PARAM_SIZE_SHIFT 0
+#define SOF_IPC4_MOD_EXT_PARAM_SIZE_MASK GENMASK(15, 0)
+#define SOF_IPC4_MOD_EXT_PARAM_SIZE(x) ((x) << SOF_IPC4_MOD_EXT_PARAM_SIZE_SHIFT)
+
+#define SOF_IPC4_MOD_EXT_PPL_ID_SHIFT 16
+#define SOF_IPC4_MOD_EXT_PPL_ID_MASK GENMASK(23, 16)
+#define SOF_IPC4_MOD_EXT_PPL_ID(x) ((x) << SOF_IPC4_MOD_EXT_PPL_ID_SHIFT)
+
+#define SOF_IPC4_MOD_EXT_CORE_ID_SHIFT 24
+#define SOF_IPC4_MOD_EXT_CORE_ID_MASK GENMASK(27, 24)
+#define SOF_IPC4_MOD_EXT_CORE_ID(x) ((x) << SOF_IPC4_MOD_EXT_CORE_ID_SHIFT)
+
+#define SOF_IPC4_MOD_EXT_DOMAIN_SHIFT 28
+#define SOF_IPC4_MOD_EXT_DOMAIN_MASK BIT(28)
+#define SOF_IPC4_MOD_EXT_DOMAIN(x) ((x) << SOF_IPC4_MOD_EXT_DOMAIN_SHIFT)
+
+/* bind/unbind module ipc msg */
+#define SOF_IPC4_MOD_EXT_DST_MOD_ID_SHIFT 0
+#define SOF_IPC4_MOD_EXT_DST_MOD_ID_MASK GENMASK(15, 0)
+#define SOF_IPC4_MOD_EXT_DST_MOD_ID(x) ((x) << SOF_IPC4_MOD_EXT_DST_MOD_ID_SHIFT)
+
+#define SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE_SHIFT 16
+#define SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE_MASK GENMASK(23, 16)
+#define SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE(x) ((x) << SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE_SHIFT)
+
+#define SOF_IPC4_MOD_EXT_DST_MOD_QUEUE_ID_SHIFT 24
+#define SOF_IPC4_MOD_EXT_DST_MOD_QUEUE_ID_MASK GENMASK(26, 24)
+#define SOF_IPC4_MOD_EXT_DST_MOD_QUEUE_ID(x) ((x) << SOF_IPC4_MOD_EXT_DST_MOD_QUEUE_ID_SHIFT)
+
+#define SOF_IPC4_MOD_EXT_SRC_MOD_QUEUE_ID_SHIFT 27
+#define SOF_IPC4_MOD_EXT_SRC_MOD_QUEUE_ID_MASK GENMASK(29, 27)
+#define SOF_IPC4_MOD_EXT_SRC_MOD_QUEUE_ID(x) ((x) << SOF_IPC4_MOD_EXT_SRC_MOD_QUEUE_ID_SHIFT)
+
+#define MOD_ENABLE_LOG 6
+#define MOD_SYSTEM_TIME 20
+
+/* set module large config */
+#define SOF_IPC4_MOD_EXT_MSG_SIZE_SHIFT 0
+#define SOF_IPC4_MOD_EXT_MSG_SIZE_MASK GENMASK(19, 0)
+#define SOF_IPC4_MOD_EXT_MSG_SIZE(x) ((x) << SOF_IPC4_MOD_EXT_MSG_SIZE_SHIFT)
+
+#define SOF_IPC4_MOD_EXT_MSG_PARAM_ID_SHIFT 20
+#define SOF_IPC4_MOD_EXT_MSG_PARAM_ID_MASK GENMASK(27, 20)
+#define SOF_IPC4_MOD_EXT_MSG_PARAM_ID(x) ((x) << SOF_IPC4_MOD_EXT_MSG_PARAM_ID_SHIFT)
+
+#define SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK_SHIFT 28
+#define SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK_MASK BIT(28)
+#define SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK(x) ((x) << SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK_SHIFT)
+
+#define SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_SHIFT 29
+#define SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK BIT(29)
+#define SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK(x) ((x) << SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_SHIFT)
+
+/* Init instance messagees */
+#define SOF_IPC4_MOD_INIT_BASEFW_MOD_ID 0
+#define SOF_IPC4_MOD_INIT_BASEFW_INSTANCE_ID 0
+
+enum sof_ipc4_base_fw_params {
+ SOF_IPC4_FW_PARAM_ENABLE_LOGS = 6,
+ SOF_IPC4_FW_PARAM_FW_CONFIG,
+ SOF_IPC4_FW_PARAM_HW_CONFIG_GET,
+ SOF_IPC4_FW_PARAM_MODULES_INFO_GET,
+ SOF_IPC4_FW_PARAM_LIBRARIES_INFO_GET = 16,
+ SOF_IPC4_FW_PARAM_SYSTEM_TIME = 20,
+};
+
+enum sof_ipc4_fw_config_params {
+ SOF_IPC4_FW_CFG_FW_VERSION,
+ SOF_IPC4_FW_CFG_MEMORY_RECLAIMED,
+ SOF_IPC4_FW_CFG_SLOW_CLOCK_FREQ_HZ,
+ SOF_IPC4_FW_CFG_FAST_CLOCK_FREQ_HZ,
+ SOF_IPC4_FW_CFG_DMA_BUFFER_CONFIG,
+ SOF_IPC4_FW_CFG_ALH_SUPPORT_LEVEL,
+ SOF_IPC4_FW_CFG_DL_MAILBOX_BYTES,
+ SOF_IPC4_FW_CFG_UL_MAILBOX_BYTES,
+ SOF_IPC4_FW_CFG_TRACE_LOG_BYTES,
+ SOF_IPC4_FW_CFG_MAX_PPL_COUNT,
+ SOF_IPC4_FW_CFG_MAX_ASTATE_COUNT,
+ SOF_IPC4_FW_CFG_MAX_MODULE_PIN_COUNT,
+ SOF_IPC4_FW_CFG_MODULES_COUNT,
+ SOF_IPC4_FW_CFG_MAX_MOD_INST_COUNT,
+ SOF_IPC4_FW_CFG_MAX_LL_TASKS_PER_PRI_COUNT,
+ SOF_IPC4_FW_CFG_LL_PRI_COUNT,
+ SOF_IPC4_FW_CFG_MAX_DP_TASKS_COUNT,
+ SOF_IPC4_FW_CFG_MAX_LIBS_COUNT,
+ SOF_IPC4_FW_CFG_SCHEDULER_CONFIG,
+ SOF_IPC4_FW_CFG_XTAL_FREQ_HZ,
+ SOF_IPC4_FW_CFG_CLOCKS_CONFIG,
+ SOF_IPC4_FW_CFG_RESERVED,
+ SOF_IPC4_FW_CFG_POWER_GATING_POLICY,
+ SOF_IPC4_FW_CFG_ASSERT_MODE,
+};
+
+struct sof_ipc4_fw_version {
+ uint16_t major;
+ uint16_t minor;
+ uint16_t hotfix;
+ uint16_t build;
+} __packed;
+
+/* Reply messages */
+
+/*
+ * IPC4 primary header bit allocation for replies
+ * bit 0-23: status
+ * bit 24-28: type: enum sof_ipc4_global_msg if target is SOF_IPC4_FW_GEN_MSG
+ * enum sof_ipc4_module_type if target is SOF_IPC4_MODULE_MSG
+ * bit 29: response - sof_ipc4_msg_dir
+ * bit 30: target - enum sof_ipc4_msg_target
+ * bit 31: reserved, unused
+ */
+
+#define SOF_IPC4_REPLY_STATUS GENMASK(23, 0)
+
+/* Notification messages */
+
+/*
+ * IPC4 primary header bit allocation for notifications
+ * bit 0-15: notification type specific
+ * bit 16-23: enum sof_ipc4_notification_type
+ * bit 24-28: SOF_IPC4_GLB_NOTIFICATION
+ * bit 29: response - sof_ipc4_msg_dir
+ * bit 30: target - enum sof_ipc4_msg_target
+ * bit 31: reserved, unused
+ */
+
+#define SOF_IPC4_MSG_IS_NOTIFICATION(x) (SOF_IPC4_MSG_TYPE_GET(x) == \
+ SOF_IPC4_GLB_NOTIFICATION)
+
+#define SOF_IPC4_NOTIFICATION_TYPE_SHIFT 16
+#define SOF_IPC4_NOTIFICATION_TYPE_MASK GENMASK(23, 16)
+#define SOF_IPC4_NOTIFICATION_TYPE_GET(x) (((x) & SOF_IPC4_NOTIFICATION_TYPE_MASK) >> \
+ SOF_IPC4_NOTIFICATION_TYPE_SHIFT)
+
+/* Value of notification type field - must fit into 8 bits */
+enum sof_ipc4_notification_type {
+ /* Phrase detected (notification from WoV module) */
+ SOF_IPC4_NOTIFY_PHRASE_DETECTED = 4,
+ /* Event from a resource (pipeline or module instance) */
+ SOF_IPC4_NOTIFY_RESOURCE_EVENT,
+ /* Debug log buffer status changed */
+ SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS,
+ /* Timestamp captured at the link */
+ SOF_IPC4_NOTIFY_TIMESTAMP_CAPTURED,
+ /* FW complete initialization */
+ SOF_IPC4_NOTIFY_FW_READY,
+ /* Audio classifier result (ACA) */
+ SOF_IPC4_NOTIFY_FW_AUD_CLASS_RESULT,
+ /* Exception caught by DSP FW */
+ SOF_IPC4_NOTIFY_EXCEPTION_CAUGHT,
+ /* 11 is skipped by the existing cavs firmware */
+ /* Custom module notification */
+ SOF_IPC4_NOTIFY_MODULE_NOTIFICATION = 12,
+ /* 13 is reserved - do not use */
+ /* Probe notify data available */
+ SOF_IPC4_NOTIFY_PROBE_DATA_AVAILABLE = 14,
+ /* AM module notifications */
+ SOF_IPC4_NOTIFY_ASYNC_MSG_SRVC_MESSAGE,
+
+ SOF_IPC4_NOTIFY_TYPE_LAST,
+};
+
+struct sof_ipc4_notify_resource_data {
+ uint32_t resource_type;
+ uint32_t resource_id;
+ uint32_t event_type;
+ uint32_t reserved;
+ uint32_t data[6];
+} __packed __aligned(4);
+
+/** @}*/
+
+#endif
--
2.36.0
