xref: /openbmc/linux/include/sound/sof/ipc4/header.h (revision c4e78957)
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) 2022 Intel Corporation. All rights reserved.
7  */
8 
9 #ifndef __INCLUDE_SOUND_SOF_IPC4_HEADER_H__
10 #define __INCLUDE_SOUND_SOF_IPC4_HEADER_H__
11 
12 #include <linux/types.h>
13 #include <uapi/sound/sof/abi.h>
14 
15 /* maximum message size for mailbox Tx/Rx */
16 #define SOF_IPC4_MSG_MAX_SIZE			4096
17 
18 /** \addtogroup sof_uapi uAPI
19  *  SOF uAPI specification.
20  *  @{
21  */
22 
23 /**
24  * struct sof_ipc4_msg - Placeholder of an IPC4 message
25  * @header_u64:		IPC4 header as single u64 number
26  * @primary:		Primary, mandatory part of the header
27  * @extension:		Extended part of the header, if not used it should be
28  *			set to 0
29  * @data_size:		Size of data in bytes pointed by @data_ptr
30  * @data_ptr:		Pointer to the optional payload of a message
31  */
32 struct sof_ipc4_msg {
33 	union {
34 		u64 header_u64;
35 		struct {
36 			u32 primary;
37 			u32 extension;
38 		};
39 	};
40 
41 	size_t data_size;
42 	void *data_ptr;
43 };
44 
45 /**
46  * struct sof_ipc4_tuple - Generic type/ID and parameter tuple
47  * @type:		type/ID
48  * @size:		size of the @value array in bytes
49  * @value:		value for the given type
50  */
51 struct sof_ipc4_tuple {
52 	uint32_t type;
53 	uint32_t size;
54 	uint32_t value[];
55 } __packed;
56 
57 /*
58  * IPC4 messages have two 32 bit identifier made up as follows :-
59  *
60  * header - msg type, msg id, msg direction ...
61  * extension - extra params such as msg data size in mailbox
62  *
63  * These are sent at the start of the IPC message in the mailbox. Messages
64  * should not be sent in the doorbell (special exceptions for firmware).
65  */
66 
67 /*
68  * IPC4 primary header bit allocation for messages
69  * bit 0-23:	message type specific
70  * bit 24-28:	type:	enum sof_ipc4_global_msg if target is SOF_IPC4_FW_GEN_MSG
71  *			enum sof_ipc4_module_type if target is SOF_IPC4_MODULE_MSG
72  * bit 29:	response - sof_ipc4_msg_dir
73  * bit 30:	target - enum sof_ipc4_msg_target
74  * bit 31:	reserved, unused
75  */
76 
77 /* Value of target field - must fit into 1 bit */
78 enum sof_ipc4_msg_target {
79 	/* Global FW message */
80 	SOF_IPC4_FW_GEN_MSG,
81 
82 	/* Module message */
83 	SOF_IPC4_MODULE_MSG
84 };
85 
86 /* Value of type field - must fit into 5 bits */
87 enum sof_ipc4_global_msg {
88 	SOF_IPC4_GLB_BOOT_CONFIG,
89 	SOF_IPC4_GLB_ROM_CONTROL,
90 	SOF_IPC4_GLB_IPCGATEWAY_CMD,
91 
92 	/* 3 .. 12: RESERVED - do not use */
93 
94 	SOF_IPC4_GLB_PERF_MEASUREMENTS_CMD = 13,
95 	SOF_IPC4_GLB_CHAIN_DMA,
96 
97 	SOF_IPC4_GLB_LOAD_MULTIPLE_MODULES,
98 	SOF_IPC4_GLB_UNLOAD_MULTIPLE_MODULES,
99 
100 	/* pipeline settings */
101 	SOF_IPC4_GLB_CREATE_PIPELINE,
102 	SOF_IPC4_GLB_DELETE_PIPELINE,
103 	SOF_IPC4_GLB_SET_PIPELINE_STATE,
104 	SOF_IPC4_GLB_GET_PIPELINE_STATE,
105 	SOF_IPC4_GLB_GET_PIPELINE_CONTEXT_SIZE,
106 	SOF_IPC4_GLB_SAVE_PIPELINE,
107 	SOF_IPC4_GLB_RESTORE_PIPELINE,
108 
109 	/* Loads library (using Code Load or HD/A Host Output DMA) */
110 	SOF_IPC4_GLB_LOAD_LIBRARY,
111 
112 	/* 25: RESERVED - do not use */
113 
114 	SOF_IPC4_GLB_INTERNAL_MESSAGE = 26,
115 
116 	/* Notification (FW to SW driver) */
117 	SOF_IPC4_GLB_NOTIFICATION,
118 
119 	/* 28 .. 31: RESERVED - do not use */
120 
121 	SOF_IPC4_GLB_TYPE_LAST,
122 };
123 
124 /* Value of response field - must fit into 1 bit */
125 enum sof_ipc4_msg_dir {
126 	SOF_IPC4_MSG_REQUEST,
127 	SOF_IPC4_MSG_REPLY,
128 };
129 
130 enum sof_ipc4_pipeline_state {
131 	SOF_IPC4_PIPE_INVALID_STATE,
132 	SOF_IPC4_PIPE_UNINITIALIZED,
133 	SOF_IPC4_PIPE_RESET,
134 	SOF_IPC4_PIPE_PAUSED,
135 	SOF_IPC4_PIPE_RUNNING,
136 	SOF_IPC4_PIPE_EOS
137 };
138 
139 /* Generic message fields (bit 24-30) */
140 
141 /* encoded to header's msg_tgt field */
142 #define SOF_IPC4_MSG_TARGET_SHIFT		30
143 #define SOF_IPC4_MSG_TARGET_MASK		BIT(30)
144 #define SOF_IPC4_MSG_TARGET(x)			((x) << SOF_IPC4_MSG_TARGET_SHIFT)
145 #define SOF_IPC4_MSG_IS_MODULE_MSG(x)		((x) & SOF_IPC4_MSG_TARGET_MASK ? 1 : 0)
146 
147 /* encoded to header's rsp field */
148 #define SOF_IPC4_MSG_DIR_SHIFT			29
149 #define SOF_IPC4_MSG_DIR_MASK			BIT(29)
150 #define SOF_IPC4_MSG_DIR(x)			((x) << SOF_IPC4_MSG_DIR_SHIFT)
151 
152 /* encoded to header's type field */
153 #define SOF_IPC4_MSG_TYPE_SHIFT			24
154 #define SOF_IPC4_MSG_TYPE_MASK			GENMASK(28, 24)
155 #define SOF_IPC4_MSG_TYPE_SET(x)		(((x) << SOF_IPC4_MSG_TYPE_SHIFT) & \
156 						 SOF_IPC4_MSG_TYPE_MASK)
157 #define SOF_IPC4_MSG_TYPE_GET(x)		(((x) & SOF_IPC4_MSG_TYPE_MASK) >> \
158 						 SOF_IPC4_MSG_TYPE_SHIFT)
159 
160 /* Global message type specific field definitions */
161 
162 /* pipeline creation ipc msg */
163 #define SOF_IPC4_GLB_PIPE_INSTANCE_SHIFT	16
164 #define SOF_IPC4_GLB_PIPE_INSTANCE_MASK		GENMASK(23, 16)
165 #define SOF_IPC4_GLB_PIPE_INSTANCE_ID(x)	((x) << SOF_IPC4_GLB_PIPE_INSTANCE_SHIFT)
166 
167 #define SOF_IPC4_GLB_PIPE_PRIORITY_SHIFT	11
168 #define SOF_IPC4_GLB_PIPE_PRIORITY_MASK		GENMASK(15, 11)
169 #define SOF_IPC4_GLB_PIPE_PRIORITY(x)		((x) << SOF_IPC4_GLB_PIPE_PRIORITY_SHIFT)
170 
171 #define SOF_IPC4_GLB_PIPE_MEM_SIZE_SHIFT	0
172 #define SOF_IPC4_GLB_PIPE_MEM_SIZE_MASK		GENMASK(10, 0)
173 #define SOF_IPC4_GLB_PIPE_MEM_SIZE(x)		((x) << SOF_IPC4_GLB_PIPE_MEM_SIZE_SHIFT)
174 
175 #define SOF_IPC4_GLB_PIPE_EXT_LP_SHIFT		0
176 #define SOF_IPC4_GLB_PIPE_EXT_LP_MASK		BIT(0)
177 #define SOF_IPC4_GLB_PIPE_EXT_LP(x)		((x) << SOF_IPC4_GLB_PIPE_EXT_LP_SHIFT)
178 
179 /* pipeline set state ipc msg */
180 #define SOF_IPC4_GLB_PIPE_STATE_ID_SHIFT		16
181 #define SOF_IPC4_GLB_PIPE_STATE_ID_MASK		GENMASK(23, 16)
182 #define SOF_IPC4_GLB_PIPE_STATE_ID(x)		((x) << SOF_IPC4_GLB_PIPE_STATE_ID_SHIFT)
183 
184 #define SOF_IPC4_GLB_PIPE_STATE_SHIFT		0
185 #define SOF_IPC4_GLB_PIPE_STATE_MASK		GENMASK(15, 0)
186 #define SOF_IPC4_GLB_PIPE_STATE(x)		((x) << SOF_IPC4_GLB_PIPE_STATE_SHIFT)
187 
188 enum sof_ipc4_channel_config {
189 	/* one channel only. */
190 	SOF_IPC4_CHANNEL_CONFIG_MONO,
191 	/* L & R. */
192 	SOF_IPC4_CHANNEL_CONFIG_STEREO,
193 	/* L, R & LFE; PCM only. */
194 	SOF_IPC4_CHANNEL_CONFIG_2_POINT_1,
195 	/* L, C & R; MP3 & AAC only. */
196 	SOF_IPC4_CHANNEL_CONFIG_3_POINT_0,
197 	/* L, C, R & LFE; PCM only. */
198 	SOF_IPC4_CHANNEL_CONFIG_3_POINT_1,
199 	/* L, R, Ls & Rs; PCM only. */
200 	SOF_IPC4_CHANNEL_CONFIG_QUATRO,
201 	/* L, C, R & Cs; MP3 & AAC only. */
202 	SOF_IPC4_CHANNEL_CONFIG_4_POINT_0,
203 	/* L, C, R, Ls & Rs. */
204 	SOF_IPC4_CHANNEL_CONFIG_5_POINT_0,
205 	/* L, C, R, Ls, Rs & LFE. */
206 	SOF_IPC4_CHANNEL_CONFIG_5_POINT_1,
207 	/* one channel replicated in two. */
208 	SOF_IPC4_CHANNEL_CONFIG_DUAL_MONO,
209 	/* Stereo (L,R) in 4 slots, 1st stream: [ L, R, -, - ] */
210 	SOF_IPC4_CHANNEL_CONFIG_I2S_DUAL_STEREO_0,
211 	/* Stereo (L,R) in 4 slots, 2nd stream: [ -, -, L, R ] */
212 	SOF_IPC4_CHANNEL_CONFIG_I2S_DUAL_STEREO_1,
213 	/* L, C, R, Ls, Rs & LFE., LS, RS */
214 	SOF_IPC4_CHANNEL_CONFIG_7_POINT_1,
215 };
216 
217 enum sof_ipc4_interleaved_style {
218 	SOF_IPC4_CHANNELS_INTERLEAVED,
219 	SOF_IPC4_CHANNELS_NONINTERLEAVED,
220 };
221 
222 enum sof_ipc4_sample_type {
223 	SOF_IPC4_MSB_INTEGER, /* integer with Most Significant Byte first */
224 	SOF_IPC4_LSB_INTEGER, /* integer with Least Significant Byte first */
225 };
226 
227 struct sof_ipc4_audio_format {
228 	uint32_t sampling_frequency;
229 	uint32_t bit_depth;
230 	uint32_t ch_map;
231 	uint32_t ch_cfg; /* sof_ipc4_channel_config */
232 	uint32_t interleaving_style;
233 	uint32_t fmt_cfg; /* channels_count valid_bit_depth s_type */
234 } __packed __aligned(4);
235 
236 #define SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT_SHIFT	0
237 #define SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT_MASK	GENMASK(7, 0)
238 #define SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT(x)	\
239 	((x) & SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT_MASK)
240 #define SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH_SHIFT	8
241 #define SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH_MASK	GENMASK(15, 8)
242 #define SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH(x)	\
243 	(((x) & SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH_MASK) >> \
244 	 SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH_SHIFT)
245 #define SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE_SHIFT	16
246 #define SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE_MASK	GENMASK(23, 16)
247 #define SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE(x)	\
248 	(((x) & SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE_MASK) >>  \
249 	 SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE_SHIFT)
250 
251 /* Module message type specific field definitions */
252 
253 enum sof_ipc4_module_type {
254 	SOF_IPC4_MOD_INIT_INSTANCE,
255 	SOF_IPC4_MOD_CONFIG_GET,
256 	SOF_IPC4_MOD_CONFIG_SET,
257 	SOF_IPC4_MOD_LARGE_CONFIG_GET,
258 	SOF_IPC4_MOD_LARGE_CONFIG_SET,
259 	SOF_IPC4_MOD_BIND,
260 	SOF_IPC4_MOD_UNBIND,
261 	SOF_IPC4_MOD_SET_DX,
262 	SOF_IPC4_MOD_SET_D0IX,
263 	SOF_IPC4_MOD_ENTER_MODULE_RESTORE,
264 	SOF_IPC4_MOD_EXIT_MODULE_RESTORE,
265 	SOF_IPC4_MOD_DELETE_INSTANCE,
266 
267 	SOF_IPC4_MOD_TYPE_LAST,
268 };
269 
270 struct sof_ipc4_base_module_cfg {
271 	uint32_t cpc; /* the max count of Cycles Per Chunk processing */
272 	uint32_t ibs; /* input Buffer Size (in bytes)  */
273 	uint32_t obs; /* output Buffer Size (in bytes) */
274 	uint32_t is_pages; /* number of physical pages used */
275 	struct sof_ipc4_audio_format audio_fmt;
276 } __packed __aligned(4);
277 
278 /* common module ipc msg */
279 #define SOF_IPC4_MOD_INSTANCE_SHIFT		16
280 #define SOF_IPC4_MOD_INSTANCE_MASK		GENMASK(23, 16)
281 #define SOF_IPC4_MOD_INSTANCE(x)		((x) << SOF_IPC4_MOD_INSTANCE_SHIFT)
282 
283 #define SOF_IPC4_MOD_ID_SHIFT			0
284 #define SOF_IPC4_MOD_ID_MASK			GENMASK(15, 0)
285 #define SOF_IPC4_MOD_ID(x)			((x) << SOF_IPC4_MOD_ID_SHIFT)
286 
287 /* init module ipc msg */
288 #define SOF_IPC4_MOD_EXT_PARAM_SIZE_SHIFT	0
289 #define SOF_IPC4_MOD_EXT_PARAM_SIZE_MASK	GENMASK(15, 0)
290 #define SOF_IPC4_MOD_EXT_PARAM_SIZE(x)		((x) << SOF_IPC4_MOD_EXT_PARAM_SIZE_SHIFT)
291 
292 #define SOF_IPC4_MOD_EXT_PPL_ID_SHIFT		16
293 #define SOF_IPC4_MOD_EXT_PPL_ID_MASK		GENMASK(23, 16)
294 #define SOF_IPC4_MOD_EXT_PPL_ID(x)		((x) << SOF_IPC4_MOD_EXT_PPL_ID_SHIFT)
295 
296 #define SOF_IPC4_MOD_EXT_CORE_ID_SHIFT		24
297 #define SOF_IPC4_MOD_EXT_CORE_ID_MASK		GENMASK(27, 24)
298 #define SOF_IPC4_MOD_EXT_CORE_ID(x)		((x) << SOF_IPC4_MOD_EXT_CORE_ID_SHIFT)
299 
300 #define SOF_IPC4_MOD_EXT_DOMAIN_SHIFT		28
301 #define SOF_IPC4_MOD_EXT_DOMAIN_MASK		BIT(28)
302 #define SOF_IPC4_MOD_EXT_DOMAIN(x)		((x) << SOF_IPC4_MOD_EXT_DOMAIN_SHIFT)
303 
304 /*  bind/unbind module ipc msg */
305 #define SOF_IPC4_MOD_EXT_DST_MOD_ID_SHIFT	0
306 #define SOF_IPC4_MOD_EXT_DST_MOD_ID_MASK	GENMASK(15, 0)
307 #define SOF_IPC4_MOD_EXT_DST_MOD_ID(x)		((x) << SOF_IPC4_MOD_EXT_DST_MOD_ID_SHIFT)
308 
309 #define SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE_SHIFT	16
310 #define SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE_MASK	GENMASK(23, 16)
311 #define SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE(x)	((x) << SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE_SHIFT)
312 
313 #define SOF_IPC4_MOD_EXT_DST_MOD_QUEUE_ID_SHIFT	24
314 #define SOF_IPC4_MOD_EXT_DST_MOD_QUEUE_ID_MASK	GENMASK(26, 24)
315 #define SOF_IPC4_MOD_EXT_DST_MOD_QUEUE_ID(x)	((x) << SOF_IPC4_MOD_EXT_DST_MOD_QUEUE_ID_SHIFT)
316 
317 #define SOF_IPC4_MOD_EXT_SRC_MOD_QUEUE_ID_SHIFT	27
318 #define SOF_IPC4_MOD_EXT_SRC_MOD_QUEUE_ID_MASK	GENMASK(29, 27)
319 #define SOF_IPC4_MOD_EXT_SRC_MOD_QUEUE_ID(x)	((x) << SOF_IPC4_MOD_EXT_SRC_MOD_QUEUE_ID_SHIFT)
320 
321 #define MOD_ENABLE_LOG	6
322 #define MOD_SYSTEM_TIME	20
323 
324 /* set module large config */
325 #define SOF_IPC4_MOD_EXT_MSG_SIZE_SHIFT		0
326 #define SOF_IPC4_MOD_EXT_MSG_SIZE_MASK		GENMASK(19, 0)
327 #define SOF_IPC4_MOD_EXT_MSG_SIZE(x)		((x) << SOF_IPC4_MOD_EXT_MSG_SIZE_SHIFT)
328 
329 #define SOF_IPC4_MOD_EXT_MSG_PARAM_ID_SHIFT	20
330 #define SOF_IPC4_MOD_EXT_MSG_PARAM_ID_MASK	GENMASK(27, 20)
331 #define SOF_IPC4_MOD_EXT_MSG_PARAM_ID(x)	((x) << SOF_IPC4_MOD_EXT_MSG_PARAM_ID_SHIFT)
332 
333 #define SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK_SHIFT	28
334 #define SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK_MASK	BIT(28)
335 #define SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK(x)	((x) << SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK_SHIFT)
336 
337 #define SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_SHIFT	29
338 #define SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK	BIT(29)
339 #define SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK(x)	((x) << SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_SHIFT)
340 
341 /* Init instance messagees */
342 #define SOF_IPC4_MOD_INIT_BASEFW_MOD_ID		0
343 #define SOF_IPC4_MOD_INIT_BASEFW_INSTANCE_ID	0
344 
345 enum sof_ipc4_base_fw_params {
346 	SOF_IPC4_FW_PARAM_ENABLE_LOGS = 6,
347 	SOF_IPC4_FW_PARAM_FW_CONFIG,
348 	SOF_IPC4_FW_PARAM_HW_CONFIG_GET,
349 	SOF_IPC4_FW_PARAM_MODULES_INFO_GET,
350 	SOF_IPC4_FW_PARAM_LIBRARIES_INFO_GET = 16,
351 	SOF_IPC4_FW_PARAM_SYSTEM_TIME = 20,
352 };
353 
354 enum sof_ipc4_fw_config_params {
355 	SOF_IPC4_FW_CFG_FW_VERSION,
356 	SOF_IPC4_FW_CFG_MEMORY_RECLAIMED,
357 	SOF_IPC4_FW_CFG_SLOW_CLOCK_FREQ_HZ,
358 	SOF_IPC4_FW_CFG_FAST_CLOCK_FREQ_HZ,
359 	SOF_IPC4_FW_CFG_DMA_BUFFER_CONFIG,
360 	SOF_IPC4_FW_CFG_ALH_SUPPORT_LEVEL,
361 	SOF_IPC4_FW_CFG_DL_MAILBOX_BYTES,
362 	SOF_IPC4_FW_CFG_UL_MAILBOX_BYTES,
363 	SOF_IPC4_FW_CFG_TRACE_LOG_BYTES,
364 	SOF_IPC4_FW_CFG_MAX_PPL_COUNT,
365 	SOF_IPC4_FW_CFG_MAX_ASTATE_COUNT,
366 	SOF_IPC4_FW_CFG_MAX_MODULE_PIN_COUNT,
367 	SOF_IPC4_FW_CFG_MODULES_COUNT,
368 	SOF_IPC4_FW_CFG_MAX_MOD_INST_COUNT,
369 	SOF_IPC4_FW_CFG_MAX_LL_TASKS_PER_PRI_COUNT,
370 	SOF_IPC4_FW_CFG_LL_PRI_COUNT,
371 	SOF_IPC4_FW_CFG_MAX_DP_TASKS_COUNT,
372 	SOF_IPC4_FW_CFG_MAX_LIBS_COUNT,
373 	SOF_IPC4_FW_CFG_SCHEDULER_CONFIG,
374 	SOF_IPC4_FW_CFG_XTAL_FREQ_HZ,
375 	SOF_IPC4_FW_CFG_CLOCKS_CONFIG,
376 	SOF_IPC4_FW_CFG_RESERVED,
377 	SOF_IPC4_FW_CFG_POWER_GATING_POLICY,
378 	SOF_IPC4_FW_CFG_ASSERT_MODE,
379 };
380 
381 struct sof_ipc4_fw_version {
382 	uint16_t major;
383 	uint16_t minor;
384 	uint16_t hotfix;
385 	uint16_t build;
386 } __packed;
387 
388 /* Reply messages */
389 
390 /*
391  * IPC4 primary header bit allocation for replies
392  * bit 0-23:	status
393  * bit 24-28:	type:	enum sof_ipc4_global_msg if target is SOF_IPC4_FW_GEN_MSG
394  *			enum sof_ipc4_module_type if target is SOF_IPC4_MODULE_MSG
395  * bit 29:	response - sof_ipc4_msg_dir
396  * bit 30:	target - enum sof_ipc4_msg_target
397  * bit 31:	reserved, unused
398  */
399 
400 #define SOF_IPC4_REPLY_STATUS			GENMASK(23, 0)
401 
402 /* Notification messages */
403 
404 /*
405  * IPC4 primary header bit allocation for notifications
406  * bit 0-15:	notification type specific
407  * bit 16-23:	enum sof_ipc4_notification_type
408  * bit 24-28:	SOF_IPC4_GLB_NOTIFICATION
409  * bit 29:	response - sof_ipc4_msg_dir
410  * bit 30:	target - enum sof_ipc4_msg_target
411  * bit 31:	reserved, unused
412  */
413 
414 #define SOF_IPC4_MSG_IS_NOTIFICATION(x)		(SOF_IPC4_MSG_TYPE_GET(x) == \
415 						 SOF_IPC4_GLB_NOTIFICATION)
416 
417 #define SOF_IPC4_NOTIFICATION_TYPE_SHIFT	16
418 #define SOF_IPC4_NOTIFICATION_TYPE_MASK		GENMASK(23, 16)
419 #define SOF_IPC4_NOTIFICATION_TYPE_GET(x)	(((x) & SOF_IPC4_NOTIFICATION_TYPE_MASK) >> \
420 						 SOF_IPC4_NOTIFICATION_TYPE_SHIFT)
421 
422 /* Value of notification type field - must fit into 8 bits */
423 enum sof_ipc4_notification_type {
424 	/* Phrase detected (notification from WoV module) */
425 	SOF_IPC4_NOTIFY_PHRASE_DETECTED = 4,
426 	/* Event from a resource (pipeline or module instance) */
427 	SOF_IPC4_NOTIFY_RESOURCE_EVENT,
428 	/* Debug log buffer status changed */
429 	SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS,
430 	/* Timestamp captured at the link */
431 	SOF_IPC4_NOTIFY_TIMESTAMP_CAPTURED,
432 	/* FW complete initialization */
433 	SOF_IPC4_NOTIFY_FW_READY,
434 	/* Audio classifier result (ACA) */
435 	SOF_IPC4_NOTIFY_FW_AUD_CLASS_RESULT,
436 	/* Exception caught by DSP FW */
437 	SOF_IPC4_NOTIFY_EXCEPTION_CAUGHT,
438 	/* 11 is skipped by the existing cavs firmware */
439 	/* Custom module notification */
440 	SOF_IPC4_NOTIFY_MODULE_NOTIFICATION = 12,
441 	/* 13 is reserved - do not use */
442 	/* Probe notify data available */
443 	SOF_IPC4_NOTIFY_PROBE_DATA_AVAILABLE = 14,
444 	/* AM module notifications */
445 	SOF_IPC4_NOTIFY_ASYNC_MSG_SRVC_MESSAGE,
446 
447 	SOF_IPC4_NOTIFY_TYPE_LAST,
448 };
449 
450 struct sof_ipc4_notify_resource_data {
451 	uint32_t resource_type;
452 	uint32_t resource_id;
453 	uint32_t event_type;
454 	uint32_t reserved;
455 	uint32_t data[6];
456 } __packed __aligned(4);
457 
458 /** @}*/
459 
460 #endif
461