28 #define ARRAY_ELEMENT_LESS_THAN_NEXT(node, prop, idx)				\  argument
29 	COND_CODE_1(IS_EQ(idx, UTIL_DEC(DT_PROP_LEN(node, prop))),		\
31 		((DT_PROP_BY_IDX(node, prop, idx) <				\
32 		  DT_PROP_BY_IDX(node, prop, UTIL_INC(idx)))))
33 #define IS_ARRAY_SORTED(node, prop)						\  argument
34 	DT_FOREACH_PROP_ELEM_SEP(node, prop, ARRAY_ELEMENT_LESS_THAN_NEXT, (&&))
118 #define DESCRIPTOR_NAME(prefix, node) uac2_## prefix ## _ ## node  argument
231 #define AUDIO_STREAMING_DATA_ENDPOINT_CONTROLS(node)				\  argument
232 	CONTROL_BITS(node, pitch_control, 0)		|			\
233 	CONTROL_BITS(node, data_overrun_control, 2)	|			\
234 	CONTROL_BITS(node, data_underrun_control, 4)
364 #define ENTITY_HEADERS(node) DT_FOREACH_CHILD(node, ENTITY_HEADER)  argument
365 #define ENTITY_HEADERS_ARRAYS(node) DT_FOREACH_CHILD(node, ENTITY_HEADER_ARRAYS)  argument
366 #define ENTITY_HEADERS_PTRS(node) DT_FOREACH_CHILD(node, ENTITY_HEADER_PTRS)  argument
367 #define ENTITY_HEADERS_LENGTH(node) sizeof((uint8_t []){ENTITY_HEADERS(node)})  argument
369 #define AUDIO_STREAMING_CONTROLS(node)						\  argument
377 #define AUDIO_STREAMING_FORMAT_TYPE(node)					\  argument
378 	COND_CODE_0(DT_PROP(node, external_interface),				\
380 #define AUDIO_STREAMING_FORMATS(node) U32_LE(0x00000001)  argument
382 #define FEATURE_UNIT_CHANNEL_CLUSTER(node)					\  argument
383 	IF_ENABLED(DT_NODE_HAS_COMPAT(DT_PROP(node, data_source),		\
385 			DT_PROP(node, data_source)				\
389 #define OUTPUT_TERMINAL_CHANNEL_CLUSTER(node)					\  argument
390 	IF_ENABLED(DT_NODE_HAS_COMPAT(DT_PROP(node, data_source),		\
392 			DT_PROP(node, data_source)				\
394 	IF_ENABLED(DT_NODE_HAS_COMPAT(DT_PROP(node, data_source),		\
396 			FEATURE_UNIT_CHANNEL_CLUSTER(DT_PROP(node, data_source))\
404 #define AUDIO_STREAMING_CHANNEL_CLUSTER(node)					\  argument
405 	IF_ENABLED(DT_NODE_HAS_COMPAT(DT_PROP(node, linked_terminal),		\
407 			DT_PROP(node, linked_terminal)				\
409 	IF_ENABLED(DT_NODE_HAS_COMPAT(DT_PROP(node, linked_terminal),		\
411 			DT_PROP(node, linked_terminal))				\
414 #define AUDIO_STREAMING_NUM_SPATIAL_LOCATIONS(node)				\  argument
415 	NUM_SPATIAL_LOCATIONS(AUDIO_STREAMING_CHANNEL_CLUSTER(node))
416 #define AUDIO_STREAMING_SPATIAL_LOCATIONS(node)					\  argument
417 	SPATIAL_LOCATIONS(AUDIO_STREAMING_CHANNEL_CLUSTER(node))
420 #define AUDIO_STREAMING_GENERAL_DESCRIPTOR(node)				\  argument
424 	CONNECTED_ENTITY_ID(node, linked_terminal),	/* bTerminalLink */	\
425 	AUDIO_STREAMING_CONTROLS(node),			/* bmControls*/		\
426 	AUDIO_STREAMING_FORMAT_TYPE(node),		/* bFormatType */	\
427 	AUDIO_STREAMING_FORMATS(node),			/* bmFormats */		\
428 	AUDIO_STREAMING_NUM_SPATIAL_LOCATIONS(node),    /* bNrChannels */	\
429 	AUDIO_STREAMING_SPATIAL_LOCATIONS(node),	/* bmChannelConfig */	\
435 #define AUDIO_STREAMING_FORMAT_I_TYPE_DESCRIPTOR(node)				\  argument
440 	DT_PROP(node, subslot_size),			/* bSubslotSize */	\
441 	DT_PROP(node, bit_resolution),			/* bBitResolution */
446 #define AUDIO_STREAMING_FORMAT_IV_TYPE_DESCRIPTOR(node)				\  argument
453 #define AUDIO_STREAMING_FORMAT_TYPE_DESCRIPTOR(node)				\  argument
454 	IF_ENABLED(IS_EQ(AUDIO_STREAMING_FORMAT_TYPE(node), FORMAT_TYPE_I), (	\
455 		AUDIO_STREAMING_FORMAT_I_TYPE_DESCRIPTOR(node)))		\
456 	IF_ENABLED(IS_EQ(AUDIO_STREAMING_FORMAT_TYPE(node), FORMAT_TYPE_IV), (	\
457 		AUDIO_STREAMING_FORMAT_IV_TYPE_DESCRIPTOR(node)))
459 #define AUDIO_STREAMING_INTERFACE_DESCRIPTORS_ARRAYS(node)			\  argument
460 	static uint8_t DESCRIPTOR_NAME(as_general_desc, node)[] = {		\
461 		AUDIO_STREAMING_GENERAL_DESCRIPTOR(node)			\
463 	static uint8_t DESCRIPTOR_NAME(as_format_desc, node)[] = {		\
464 		AUDIO_STREAMING_FORMAT_TYPE_DESCRIPTOR(node)			\
468 #define AUDIO_STREAMING_INTERFACE_DESCRIPTORS_PTRS(node)			\  argument
469 	(struct usb_desc_header *) &DESCRIPTOR_NAME(as_general_desc, node),	\
470 	(struct usb_desc_header *) &DESCRIPTOR_NAME(as_format_desc, node),
473 #define AC_INTERFACE_HEADER_DESCRIPTOR(node)					\  argument
478 	DT_PROP(node, audio_function),			/* bCategory */		\
479 	U16_LE(9 + ENTITY_HEADERS_LENGTH(node)),	/* wTotalLength */	\
482 #define AC_INTERFACE_HEADER_DESCRIPTOR_ARRAY(node)				\  argument
483 	static uint8_t DESCRIPTOR_NAME(ac_header, node)[] = {			\
484 		AC_INTERFACE_HEADER_DESCRIPTOR(node)				\
487 #define AC_INTERFACE_HEADER_DESCRIPTOR_PTR(node)				\  argument
488 	(struct usb_desc_header *) &DESCRIPTOR_NAME(ac_header, node),
490 #define IS_AUDIOSTREAMING_INTERFACE(node)					\  argument
491 	DT_NODE_HAS_COMPAT(node, zephyr_uac2_audio_streaming)
493 #define UAC2_NUM_INTERFACES(node)						\  argument
495 	DT_FOREACH_CHILD_SEP(node, IS_AUDIOSTREAMING_INTERFACE, (+))
497 #define UAC2_ALLOWED_AT_FULL_SPEED(node)					\  argument
498 	DT_PROP(node, full_speed)
500 #define UAC2_ALLOWED_AT_HIGH_SPEED(node)					\  argument
501 	DT_PROP(node, high_speed)
504 #define UAC2_INTERFACE_ASSOCIATION_DESCRIPTOR(node)				\  argument
508 	UAC2_NUM_INTERFACES(node),			/* bInterfaceCount */	\
514 #define UAC2_INTERFACE_ASSOCIATION_DESCRIPTOR_ARRAY(node)			\  argument
515 	IF_ENABLED(UAC2_ALLOWED_AT_FULL_SPEED(node), (				\
516 		static uint8_t DESCRIPTOR_NAME(fs_iad, node)[] = {		\
517 			UAC2_INTERFACE_ASSOCIATION_DESCRIPTOR(node)		\
520 	IF_ENABLED(UAC2_ALLOWED_AT_HIGH_SPEED(node), (				\
521 		static uint8_t DESCRIPTOR_NAME(hs_iad, node)[] = {		\
522 			UAC2_INTERFACE_ASSOCIATION_DESCRIPTOR(node)		\
526 #define UAC2_INTERFACE_ASSOCIATION_FS_DESCRIPTOR_PTR(node)			\  argument
527 	(struct usb_desc_header *) &DESCRIPTOR_NAME(fs_iad, node),
529 #define UAC2_INTERFACE_ASSOCIATION_HS_DESCRIPTOR_PTR(node)			\  argument
530 	(struct usb_desc_header *) &DESCRIPTOR_NAME(hs_iad, node),
533 #define AC_INTERFACE_DESCRIPTOR(node)						\  argument
538 	DT_PROP(node, interrupt_endpoint),		/* bNumEndpoints */	\
544 #define AC_INTERFACE_DESCRIPTOR_ARRAY(node)					\  argument
545 	IF_ENABLED(UAC2_ALLOWED_AT_FULL_SPEED(node), (				\
546 		static uint8_t DESCRIPTOR_NAME(fs_ac_interface, node)[] = {	\
547 			AC_INTERFACE_DESCRIPTOR(node)				\
550 	IF_ENABLED(UAC2_ALLOWED_AT_HIGH_SPEED(node), (				\
551 		static uint8_t DESCRIPTOR_NAME(hs_ac_interface, node)[] = {	\
552 			AC_INTERFACE_DESCRIPTOR(node)				\
556 #define AC_INTERFACE_FS_DESCRIPTOR_PTR(node)					\  argument
557 	(struct usb_desc_header *) &DESCRIPTOR_NAME(fs_ac_interface, node),
559 #define AC_INTERFACE_HS_DESCRIPTOR_PTR(node)					\  argument
560 	(struct usb_desc_header *) &DESCRIPTOR_NAME(hs_ac_interface, node),
563 #define AC_ENDPOINT_DESCRIPTOR(node)						\  argument
571 #define AC_ENDPOINT_DESCRIPTOR_ARRAY(node)					\  argument
572 	static uint8_t DESCRIPTOR_NAME(ac_endpoint, node)[] = {			\
573 		AC_ENDPOINT_DESCRIPTOR(node)					\
576 #define AC_ENDPOINT_DESCRIPTOR_PTR(node)					\  argument
577 	(struct usb_desc_header *) &DESCRIPTOR_NAME(ac_endpoint, node),
579 #define FIND_AUDIOSTREAMING(node, fn, ...)					\  argument
580 	IF_ENABLED(DT_NODE_HAS_COMPAT(node, zephyr_uac2_audio_streaming), (	\
581 		fn(node, __VA_ARGS__)))
583 #define FOR_EACH_AUDIOSTREAMING_INTERFACE(node, fn, ...)			\  argument
584 	DT_FOREACH_CHILD_VARGS(node, FIND_AUDIOSTREAMING, fn, __VA_ARGS__)
586 #define COUNT_AS_INTERFACES_BEFORE_IDX(node, idx)				\  argument
587 	+ 1 * (DT_NODE_CHILD_IDX(node) < idx)
589 #define AS_INTERFACE_NUMBER(node)						\  argument
591 	FOR_EACH_AUDIOSTREAMING_INTERFACE(DT_PARENT(node),			\
592 		COUNT_AS_INTERFACES_BEFORE_IDX, DT_NODE_CHILD_IDX(node))
594 #define AS_HAS_ISOCHRONOUS_DATA_ENDPOINT(node)					\  argument
595 	UTIL_NOT(DT_PROP(node, external_interface))
597 #define AS_IS_USB_ISO_IN(node)							\  argument
598 	UTIL_AND(AS_HAS_ISOCHRONOUS_DATA_ENDPOINT(node),			\
599 		DT_NODE_HAS_COMPAT(DT_PROP(node, linked_terminal),		\
602 #define AS_IS_USB_ISO_OUT(node)							\  argument
603 	UTIL_AND(AS_HAS_ISOCHRONOUS_DATA_ENDPOINT(node),			\
604 		DT_NODE_HAS_COMPAT(DT_PROP(node, linked_terminal),		\
621 #define AS_CLK_SOURCE(node)							\  argument
622 	DT_PROP(DT_PROP(node, linked_terminal), clock_source)
624 #define AS_CLK_MAX_FREQUENCY(node)						\  argument
625 	CLK_MAX_FREQUENCY(AS_CLK_SOURCE(node))
627 #define AS_IS_SOF_SYNCHRONIZED(node)						\  argument
628 	CLK_IS_SOF_SYNCHRONIZED(AS_CLK_SOURCE(node))
630 #define AS_HAS_EXPLICIT_FEEDBACK_ENDPOINT(node)					\  argument
631 	UTIL_AND(UTIL_AND(AS_HAS_ISOCHRONOUS_DATA_ENDPOINT(node),		\
632 			UTIL_NOT(DT_PROP(node, implicit_feedback))),		\
633 		UTIL_AND(UTIL_NOT(AS_IS_SOF_SYNCHRONIZED(node)),		\
634 			AS_IS_USB_ISO_OUT(node)))
636 #define AS_INTERFACE_NUM_ENDPOINTS(node)					\  argument
637 	(AS_HAS_ISOCHRONOUS_DATA_ENDPOINT(node) +				\
638 	AS_HAS_EXPLICIT_FEEDBACK_ENDPOINT(node))
641 #define AS_INTERFACE_DESCRIPTOR(node, alternate, numendpoints)			\  argument
644 	AS_INTERFACE_NUMBER(node),			/* bInterfaceNumber */	\
652 #define AS_INTERFACE_FS_DESCRIPTOR_ARRAY(node, alternate, numendpoints)		\  argument
653 	static uint8_t DESCRIPTOR_NAME(fs_as_if_alt##alternate, node)[] = {	\
654 		AS_INTERFACE_DESCRIPTOR(node, alternate, numendpoints)		\
657 #define AS_INTERFACE_HS_DESCRIPTOR_ARRAY(node, alternate, numendpoints)		\  argument
658 	static uint8_t DESCRIPTOR_NAME(hs_as_if_alt##alternate, node)[] = {	\
659 		AS_INTERFACE_DESCRIPTOR(node, alternate, numendpoints)		\
662 #define AS_INTERFACE_DESCRIPTOR_ARRAY(node, alternate, numendpoints)		\  argument
663 	IF_ENABLED(UAC2_ALLOWED_AT_FULL_SPEED(DT_PARENT(node)), (		\
664 		AS_INTERFACE_FS_DESCRIPTOR_ARRAY(node, alternate, numendpoints)	\
666 	IF_ENABLED(UAC2_ALLOWED_AT_HIGH_SPEED(DT_PARENT(node)), (		\
667 		AS_INTERFACE_HS_DESCRIPTOR_ARRAY(node, alternate, numendpoints)	\
670 #define AS_INTERFACE_FS_DESCRIPTOR_PTR(node, altnum)				\  argument
671 	(struct usb_desc_header *) &DESCRIPTOR_NAME(fs_as_if_alt##altnum, node),
673 #define AS_INTERFACE_HS_DESCRIPTOR_PTR(node, altnum)				\  argument
674 	(struct usb_desc_header *) &DESCRIPTOR_NAME(hs_as_if_alt##altnum, node),
676 #define COUNT_AS_OUT_ENDPOINTS_BEFORE_IDX(node, idx)				\  argument
677 	+ AS_IS_USB_ISO_OUT(node) * (DT_NODE_CHILD_IDX(node) < idx)
679 #define COUNT_AS_IN_ENDPOINTS_BEFORE_IDX(node, idx)				\  argument
680 	+ (AS_IS_USB_ISO_IN(node) + AS_HAS_EXPLICIT_FEEDBACK_ENDPOINT(node))	\
681 		* (DT_NODE_CHILD_IDX(node) < idx)
692 #define AS_NEXT_OUT_EP_ADDR(node)						\  argument
694 	FOR_EACH_AUDIOSTREAMING_INTERFACE(DT_PARENT(node),			\
695 		COUNT_AS_OUT_ENDPOINTS_BEFORE_IDX, DT_NODE_CHILD_IDX(node))
697 #define AS_NEXT_IN_EP_ADDR(node)						\  argument
698 	FIRST_IN_EP_ADDR + DT_PROP(DT_PARENT(node), interrupt_endpoint) +	\
699 	FOR_EACH_AUDIOSTREAMING_INTERFACE(DT_PARENT(node),			\
700 		COUNT_AS_IN_ENDPOINTS_BEFORE_IDX, DT_NODE_CHILD_IDX(node))
702 #define AS_DATA_EP_ADDR(node)							\  argument
703 	COND_CODE_1(AS_IS_USB_ISO_OUT(node),					\
704 		(AS_NEXT_OUT_EP_ADDR(node)),					\
705 		(AS_NEXT_IN_EP_ADDR(node)))
707 #define AS_BYTES_PER_SAMPLE(node)						\  argument
708 	DT_PROP(node, subslot_size)
711 #define AS_SAMPLES_PER_FRAME(node)						\  argument
712 	((ROUND_UP(AS_CLK_MAX_FREQUENCY(node), 1000) / 1000) +			\
713 	  UTIL_NOT(AS_IS_SOF_SYNCHRONIZED(node)))
715 #define AS_SAMPLES_PER_MICROFRAME(node)						\  argument
716 	((ROUND_UP(AS_CLK_MAX_FREQUENCY(node), 8000) / 8000) +			\
717 	  UTIL_NOT(AS_IS_SOF_SYNCHRONIZED(node)))
719 #define AS_DATA_EP_SYNC_TYPE(node)						\  argument
720 	COND_CODE_1(AS_IS_SOF_SYNCHRONIZED(node), (0x3 << 2), (0x1 << 2))
722 #define AS_DATA_EP_USAGE_TYPE(node)						\  argument
723 	COND_CODE_1(UTIL_AND(DT_PROP(node, implicit_feedback),			\
724 		UTIL_NOT(AS_IS_USB_ISO_OUT(node))), (0x2 << 4), (0x0 << 4))
726 #define AS_DATA_EP_ATTR(node)							\  argument
727 	USB_EP_TYPE_ISO | AS_DATA_EP_SYNC_TYPE(node) |				\
728 	AS_DATA_EP_USAGE_TYPE(node)
730 #define AS_FS_DATA_EP_MAX_PACKET_SIZE(node)					\  argument
731 	AUDIO_STREAMING_NUM_SPATIAL_LOCATIONS(node) *				\
732 	AS_BYTES_PER_SAMPLE(node) * AS_SAMPLES_PER_FRAME(node)
734 #define AS_HS_DATA_EP_TPL(node)							\  argument
735 	USB_TPL_ROUND_UP(AUDIO_STREAMING_NUM_SPATIAL_LOCATIONS(node) *		\
736 		AS_BYTES_PER_SAMPLE(node) * AS_SAMPLES_PER_MICROFRAME(node))
738 #define AS_HS_DATA_EP_MAX_PACKET_SIZE(node)					\  argument
739 	USB_TPL_TO_MPS(AS_HS_DATA_EP_TPL(node))
742 #define STANDARD_AS_ISOCHRONOUS_DATA_ENDPOINT_FS_DESCRIPTOR(node)		\  argument
745 	AS_DATA_EP_ADDR(node),				/* bEndpointAddress */	\
746 	AS_DATA_EP_ATTR(node),				/* bmAttributes */	\
747 	U16_LE(AS_FS_DATA_EP_MAX_PACKET_SIZE(node)),	/* wMaxPacketSize */	\
750 #define AS_ISOCHRONOUS_DATA_ENDPOINT_FS_DESCRIPTORS_ARRAYS(node)		\  argument
751 	static uint8_t DESCRIPTOR_NAME(fs_std_data_ep, node)[] = {		\
752 		STANDARD_AS_ISOCHRONOUS_DATA_ENDPOINT_FS_DESCRIPTOR(node)	\
755 #define STANDARD_AS_ISOCHRONOUS_DATA_ENDPOINT_HS_DESCRIPTOR(node)		\  argument
758 	AS_DATA_EP_ADDR(node),				/* bEndpointAddress */	\
759 	AS_DATA_EP_ATTR(node),				/* bmAttributes */	\
760 	U16_LE(AS_HS_DATA_EP_MAX_PACKET_SIZE(node)),	/* wMaxPacketSize */	\
763 #define AS_ISOCHRONOUS_DATA_ENDPOINT_HS_DESCRIPTORS_ARRAYS(node)		\  argument
764 	static uint8_t DESCRIPTOR_NAME(hs_std_data_ep, node)[] = {		\
765 		STANDARD_AS_ISOCHRONOUS_DATA_ENDPOINT_HS_DESCRIPTOR(node)	\
768 #define LOCK_DELAY_UNITS(node)							\  argument
769 	COND_CODE_1(DT_NODE_HAS_PROP(node, lock_delay_units),			\
770 		(1 + DT_ENUM_IDX(node, lock_delay_units)),			\
774 #define CLASS_SPECIFIC_AS_ISOCHRONOUS_DATA_ENDPOINT_DESCRIPTOR(node)		\  argument
779 	AUDIO_STREAMING_DATA_ENDPOINT_CONTROLS(node),	/* bmControls */	\
780 	LOCK_DELAY_UNITS(node),				/* bLockDelayUnits */	\
781 	U16_LE(DT_PROP_OR(node, lock_delay, 0)),	/* wLockDelay */
784 #define AS_ISOCHRONOUS_DATA_ENDPOINT_CS_DESCRIPTORS_ARRAYS(node)		\  argument
785 	static uint8_t DESCRIPTOR_NAME(cs_data_ep, node)[] = {			\
786 		CLASS_SPECIFIC_AS_ISOCHRONOUS_DATA_ENDPOINT_DESCRIPTOR(node)	\
789 #define AS_ISOCHRONOUS_DATA_ENDPOINT_FS_DESCRIPTORS_PTRS(node)			\  argument
790 	(struct usb_desc_header *) &DESCRIPTOR_NAME(fs_std_data_ep, node),	\
791 	(struct usb_desc_header *) &DESCRIPTOR_NAME(cs_data_ep, node),
793 #define AS_ISOCHRONOUS_DATA_ENDPOINT_HS_DESCRIPTORS_PTRS(node)			\  argument
794 	(struct usb_desc_header *) &DESCRIPTOR_NAME(hs_std_data_ep, node),	\
795 	(struct usb_desc_header *) &DESCRIPTOR_NAME(cs_data_ep, node),
797 #define AS_EXPLICIT_FEEDBACK_ENDPOINT_FS_DESCRIPTOR(node)			\  argument
800 	AS_NEXT_IN_EP_ADDR(node),			/* bEndpointAddress */	\
805 #define AS_EXPLICIT_FEEDBACK_FS_DESCRIPTOR_ARRAY(node)				\  argument
806 	static uint8_t DESCRIPTOR_NAME(fs_feedback_ep, node)[] = {		\
807 		AS_EXPLICIT_FEEDBACK_ENDPOINT_FS_DESCRIPTOR(node)		\
810 #define AS_EXPLICIT_FEEDBACK_ENDPOINT_FS_DESCRIPTOR_PTR(node)			\  argument
811 	(struct usb_desc_header *) &DESCRIPTOR_NAME(fs_feedback_ep, node),
813 #define AS_EXPLICIT_FEEDBACK_ENDPOINT_HS_DESCRIPTOR(node)			\  argument
816 	AS_NEXT_IN_EP_ADDR(node),			/* bEndpointAddress */	\
821 #define AS_EXPLICIT_FEEDBACK_HS_DESCRIPTOR_ARRAY(node)				\  argument
822 	static uint8_t DESCRIPTOR_NAME(hs_feedback_ep, node)[] = {		\
823 		AS_EXPLICIT_FEEDBACK_ENDPOINT_HS_DESCRIPTOR(node)		\
826 #define AS_EXPLICIT_FEEDBACK_ENDPOINT_HS_DESCRIPTOR_PTR(node)			\  argument
827 	(struct usb_desc_header *) &DESCRIPTOR_NAME(hs_feedback_ep, node),
829 #define AS_FS_DESCRIPTORS_ARRAYS(node)						\  argument
830 	IF_ENABLED(AS_HAS_ISOCHRONOUS_DATA_ENDPOINT(node), (			\
831 		AS_ISOCHRONOUS_DATA_ENDPOINT_FS_DESCRIPTORS_ARRAYS(node)	\
832 		IF_ENABLED(AS_HAS_EXPLICIT_FEEDBACK_ENDPOINT(node), (		\
833 			AS_EXPLICIT_FEEDBACK_FS_DESCRIPTOR_ARRAY(node)))	\
836 #define AS_HS_DESCRIPTORS_ARRAYS(node)						\  argument
837 	IF_ENABLED(AS_HAS_ISOCHRONOUS_DATA_ENDPOINT(node), (			\
838 		AS_ISOCHRONOUS_DATA_ENDPOINT_HS_DESCRIPTORS_ARRAYS(node)	\
839 		IF_ENABLED(AS_HAS_EXPLICIT_FEEDBACK_ENDPOINT(node), (		\
840 			AS_EXPLICIT_FEEDBACK_HS_DESCRIPTOR_ARRAY(node)))	\
843 #define AS_DESCRIPTORS_ARRAYS(node)						\  argument
844 	AS_INTERFACE_DESCRIPTOR_ARRAY(node, 0, 0)				\
845 	IF_ENABLED(AS_HAS_ISOCHRONOUS_DATA_ENDPOINT(node), (			\
846 		AS_INTERFACE_DESCRIPTOR_ARRAY(node, 1,				\
847 			AS_INTERFACE_NUM_ENDPOINTS(node))))			\
848 	AUDIO_STREAMING_INTERFACE_DESCRIPTORS_ARRAYS(node)			\
849 	IF_ENABLED(UAC2_ALLOWED_AT_FULL_SPEED(DT_PARENT(node)), (		\
850 		AS_FS_DESCRIPTORS_ARRAYS(node)))				\
851 	IF_ENABLED(UAC2_ALLOWED_AT_HIGH_SPEED(DT_PARENT(node)), (		\
852 		AS_HS_DESCRIPTORS_ARRAYS(node)))				\
853 	IF_ENABLED(AS_HAS_ISOCHRONOUS_DATA_ENDPOINT(node), (			\
854 		AS_ISOCHRONOUS_DATA_ENDPOINT_CS_DESCRIPTORS_ARRAYS(node)))
856 #define AS_FS_DESCRIPTORS_PTRS(node)						\  argument
857 	AS_INTERFACE_FS_DESCRIPTOR_PTR(node, 0)					\
858 	IF_ENABLED(AS_HAS_ISOCHRONOUS_DATA_ENDPOINT(node), (			\
859 		AS_INTERFACE_FS_DESCRIPTOR_PTR(node, 1)))			\
860 	AUDIO_STREAMING_INTERFACE_DESCRIPTORS_PTRS(node)			\
861 	IF_ENABLED(AS_HAS_ISOCHRONOUS_DATA_ENDPOINT(node), (			\
862 		AS_ISOCHRONOUS_DATA_ENDPOINT_FS_DESCRIPTORS_PTRS(node)		\
863 		IF_ENABLED(AS_HAS_EXPLICIT_FEEDBACK_ENDPOINT(node), (		\
864 			AS_EXPLICIT_FEEDBACK_ENDPOINT_FS_DESCRIPTOR_PTR(node)))	\
867 #define AS_HS_DESCRIPTORS_PTRS(node)						\  argument
868 	AS_INTERFACE_HS_DESCRIPTOR_PTR(node, 0)					\
869 	IF_ENABLED(AS_HAS_ISOCHRONOUS_DATA_ENDPOINT(node), (			\
870 		AS_INTERFACE_HS_DESCRIPTOR_PTR(node, 1)))			\
871 	AUDIO_STREAMING_INTERFACE_DESCRIPTORS_PTRS(node)			\
872 	IF_ENABLED(AS_HAS_ISOCHRONOUS_DATA_ENDPOINT(node), (			\
873 		AS_ISOCHRONOUS_DATA_ENDPOINT_HS_DESCRIPTORS_PTRS(node)		\
874 		IF_ENABLED(AS_HAS_EXPLICIT_FEEDBACK_ENDPOINT(node), (		\
875 			AS_EXPLICIT_FEEDBACK_ENDPOINT_HS_DESCRIPTOR_PTR(node)))	\
878 #define AS_DESCRIPTORS_ARRAYS_IF_AUDIOSTREAMING(node)				\  argument
879 	IF_ENABLED(DT_NODE_HAS_COMPAT(node, zephyr_uac2_audio_streaming), (	\
880 		AS_DESCRIPTORS_ARRAYS(node)))
882 #define AS_FS_DESCRIPTORS_PTRS_IF_AUDIOSTREAMING(node)				\  argument
883 	IF_ENABLED(DT_NODE_HAS_COMPAT(node, zephyr_uac2_audio_streaming), (	\
884 		AS_FS_DESCRIPTORS_PTRS(node)))
886 #define AS_HS_DESCRIPTORS_PTRS_IF_AUDIOSTREAMING(node)				\  argument
887 	IF_ENABLED(DT_NODE_HAS_COMPAT(node, zephyr_uac2_audio_streaming), (	\
888 		AS_HS_DESCRIPTORS_PTRS(node)))
890 #define UAC2_AUDIO_CONTROL_DESCRIPTOR_ARRAYS(node)				\  argument
891 	AC_INTERFACE_DESCRIPTOR_ARRAY(node)					\
892 	AC_INTERFACE_HEADER_DESCRIPTOR_ARRAY(node)				\
893 	ENTITY_HEADERS_ARRAYS(node)						\
894 	IF_ENABLED(DT_PROP(node, interrupt_endpoint), (				\
895 		AC_ENDPOINT_DESCRIPTOR_ARRAY(node)))
897 #define UAC2_AUDIO_CONTROL_COMMON_DESCRIPTOR_PTRS(node)				\  argument
898 	AC_INTERFACE_HEADER_DESCRIPTOR_PTR(node)				\
899 	ENTITY_HEADERS_PTRS(node)						\
900 	IF_ENABLED(DT_PROP(node, interrupt_endpoint), (				\
901 		AC_ENDPOINT_DESCRIPTOR_PTR(node)))
903 #define UAC2_AUDIO_CONTROL_FS_DESCRIPTOR_PTRS(node)				\  argument
904 	AC_INTERFACE_FS_DESCRIPTOR_PTR(node)					\
905 	UAC2_AUDIO_CONTROL_COMMON_DESCRIPTOR_PTRS(node)
907 #define UAC2_AUDIO_CONTROL_HS_DESCRIPTOR_PTRS(node)				\  argument
908 	AC_INTERFACE_HS_DESCRIPTOR_PTR(node)					\
909 	UAC2_AUDIO_CONTROL_COMMON_DESCRIPTOR_PTRS(node)
911 #define UAC2_DESCRIPTOR_ARRAYS(node)						\  argument
912 	UAC2_INTERFACE_ASSOCIATION_DESCRIPTOR_ARRAY(node)			\
913 	UAC2_AUDIO_CONTROL_DESCRIPTOR_ARRAYS(node)				\
914 	DT_FOREACH_CHILD(node, AS_DESCRIPTORS_ARRAYS_IF_AUDIOSTREAMING)
916 #define UAC2_FS_DESCRIPTOR_PTRS(node)						\  argument
917 	UAC2_INTERFACE_ASSOCIATION_FS_DESCRIPTOR_PTR(node)			\
918 	UAC2_AUDIO_CONTROL_FS_DESCRIPTOR_PTRS(node)				\
919 	DT_FOREACH_CHILD(node, AS_FS_DESCRIPTORS_PTRS_IF_AUDIOSTREAMING)	\
922 #define UAC2_HS_DESCRIPTOR_PTRS(node)						\  argument
923 	UAC2_INTERFACE_ASSOCIATION_HS_DESCRIPTOR_PTR(node)			\
924 	UAC2_AUDIO_CONTROL_HS_DESCRIPTOR_PTRS(node)				\
925 	DT_FOREACH_CHILD(node, AS_HS_DESCRIPTORS_PTRS_IF_AUDIOSTREAMING)	\
928 #define UAC2_FS_DESCRIPTOR_PTRS_ARRAY(node)					\  argument
929 	COND_CODE_1(UAC2_ALLOWED_AT_FULL_SPEED(node),				\
930 		({UAC2_FS_DESCRIPTOR_PTRS(node)}), ({NULL}))
932 #define UAC2_HS_DESCRIPTOR_PTRS_ARRAY(node)					\  argument
933 	COND_CODE_1(UAC2_ALLOWED_AT_HIGH_SPEED(node),				\
934 		({UAC2_HS_DESCRIPTOR_PTRS(node)}), ({NULL}))
940 #define COUNT_AS_DESCRIPTORS_UP_TO_IDX(node, idx)				\  argument
941 	(COUNT_PTRS(COND_CODE_1(UAC2_ALLOWED_AT_FULL_SPEED(DT_PARENT(node)),	\
942 		(AS_FS_DESCRIPTORS_PTRS_IF_AUDIOSTREAMING(node)),		\
943 		(AS_HS_DESCRIPTORS_PTRS_IF_AUDIOSTREAMING(node))))) *		\
944 	(DT_NODE_CHILD_IDX(node) <= idx)
946 #define UAC2_DESCRIPTOR_AS_DESC_END_COUNT(node)					\  argument
947 	(COUNT_PTRS(COND_CODE_1(UAC2_ALLOWED_AT_FULL_SPEED(DT_PARENT(node)), (	\
948 		UAC2_INTERFACE_ASSOCIATION_FS_DESCRIPTOR_PTR(DT_PARENT(node))	\
949 		UAC2_AUDIO_CONTROL_FS_DESCRIPTOR_PTRS(DT_PARENT(node))		\
951 		UAC2_INTERFACE_ASSOCIATION_HS_DESCRIPTOR_PTR(DT_PARENT(node))	\
952 		UAC2_AUDIO_CONTROL_HS_DESCRIPTOR_PTRS(DT_PARENT(node))		\
953 	)))) + DT_FOREACH_CHILD_SEP_VARGS(DT_PARENT(node),			\
955 		DT_NODE_CHILD_IDX(node))
957 #define AS_ISOCHRONOUS_DATA_ENDPOINT_DESCRIPTORS_COUNT(node)			\  argument
958 	COUNT_PTRS(COND_CODE_1(UAC2_ALLOWED_AT_FULL_SPEED(DT_PARENT(node)), (	\
959 		AS_ISOCHRONOUS_DATA_ENDPOINT_FS_DESCRIPTORS_PTRS(node)		\
961 		AS_ISOCHRONOUS_DATA_ENDPOINT_HS_DESCRIPTORS_PTRS(node)		\
964 #define AS_EXPLICIT_FEEDBACK_ENDPOINT_DESCRIPTOR_COUNT(node)			\  argument
965 	COND_CODE_1(AS_HAS_EXPLICIT_FEEDBACK_ENDPOINT(node), (COUNT_PTRS(	\
966 		COND_CODE_1(UAC2_ALLOWED_AT_FULL_SPEED(DT_PARENT(node)), (	\
967 			AS_EXPLICIT_FEEDBACK_ENDPOINT_FS_DESCRIPTOR_PTR(node)	\
969 			AS_EXPLICIT_FEEDBACK_ENDPOINT_HS_DESCRIPTOR_PTR(node)	\
980 #define UAC2_DESCRIPTOR_AS_DATA_EP_INDEX(node)					\  argument
981 	UAC2_DESCRIPTOR_AS_DESC_END_COUNT(node)					\
982 	- AS_EXPLICIT_FEEDBACK_ENDPOINT_DESCRIPTOR_COUNT(node)			\
983 	- AS_ISOCHRONOUS_DATA_ENDPOINT_DESCRIPTORS_COUNT(node)
992 #define UAC2_DESCRIPTOR_AS_FEEDBACK_EP_INDEX(node)				\  argument
993 	UAC2_DESCRIPTOR_AS_DESC_END_COUNT(node)					\
994 	- AS_EXPLICIT_FEEDBACK_ENDPOINT_DESCRIPTOR_COUNT(node)
1045 #define NEEDS_SUBSLOT_SIZE_AND_BIT_RESOLUTION(node) UTIL_OR(			\  argument
1046 	UTIL_OR(IS_EQ(AUDIO_STREAMING_FORMAT_TYPE(node), FORMAT_TYPE_I),	\
1047 		IS_EQ(AUDIO_STREAMING_FORMAT_TYPE(node), FORMAT_TYPE_III)),	\
1048 	UTIL_OR(IS_EQ(AUDIO_STREAMING_FORMAT_TYPE(node), EXT_FORMAT_TYPE_I),	\
1049 		IS_EQ(AUDIO_STREAMING_FORMAT_TYPE(node), EXT_FORMAT_TYPE_III)))
1051 #define VALIDATE_SUBSLOT_SIZE(node)						\  argument
1052 	(DT_PROP(node, subslot_size) >= 1 && DT_PROP(node, subslot_size) <= 4)
1054 #define VALIDATE_BIT_RESOLUTION(node)						\  argument
1055 	(DT_PROP(node, bit_resolution) <= (DT_PROP(node, subslot_size) * 8))
1057 #define VALIDATE_LINKED_TERMINAL(node)						\  argument
1058 	UTIL_OR(DT_NODE_HAS_COMPAT(DT_PROP(node, linked_terminal),		\
1060 		DT_NODE_HAS_COMPAT(DT_PROP(node, linked_terminal),		\
1063 #define VALIDATE_AS_BANDWIDTH(node)						\  argument
1064 	IF_ENABLED(UAC2_ALLOWED_AT_FULL_SPEED(DT_PARENT(node)),	(		\
1065 		BUILD_ASSERT(AS_FS_DATA_EP_MAX_PACKET_SIZE(node) <= 1023,	\
1068 	IF_ENABLED(UAC2_ALLOWED_AT_HIGH_SPEED(DT_PARENT(node)), (		\
1069 		BUILD_ASSERT(USB_TPL_IS_VALID(AS_HS_DATA_EP_TPL(node)),		\
1073 #define VALIDATE_NODE(node)							\  argument
1074 	IF_ENABLED(DT_NODE_HAS_COMPAT(node, zephyr_uac2_clock_source), (	\
1075 		BUILD_ASSERT(DT_PROP_LEN(node, sampling_frequencies),		\
1077 		BUILD_ASSERT(IS_ARRAY_SORTED(node, sampling_frequencies),	\
1080 	IF_ENABLED(DT_NODE_HAS_COMPAT(node, zephyr_uac2_input_terminal), (	\
1081 		BUILD_ASSERT(!((SPATIAL_LOCATIONS_U32(node) & BIT(31))) ||	\
1082 			SPATIAL_LOCATIONS_U32(node) == BIT(31),			\
1084 		BUILD_ASSERT(VALIDATE_INPUT_TERMINAL_ASSOCIATION(node),		\
1087 	IF_ENABLED(DT_NODE_HAS_COMPAT(node, zephyr_uac2_output_terminal), (	\
1088 		BUILD_ASSERT(VALIDATE_OUTPUT_TERMINAL_ASSOCIATION(node),	\
1090 		BUILD_ASSERT(VALIDATE_OUTPUT_TERMINAL_DATA_SOURCE(node),	\
1093 	IF_ENABLED(DT_NODE_HAS_COMPAT(node, zephyr_uac2_feature_unit), (	\
1094 		BUILD_ASSERT(VALIDATE_FEATURE_UNIT_DATA_SOURCE(node),		\
1096 		BUILD_ASSERT_FEATURE_UNIT_CONTROLS_LENGTH(node);		\
1098 	IF_ENABLED(DT_NODE_HAS_COMPAT(node, zephyr_uac2_audio_streaming), (	\
1099 		BUILD_ASSERT(VALIDATE_LINKED_TERMINAL(node),			\
1101 		BUILD_ASSERT(!NEEDS_SUBSLOT_SIZE_AND_BIT_RESOLUTION(node) ||	\
1102 			VALIDATE_SUBSLOT_SIZE(node),				\
1104 		BUILD_ASSERT(!NEEDS_SUBSLOT_SIZE_AND_BIT_RESOLUTION(node) ||	\
1105 			VALIDATE_BIT_RESOLUTION(node),				\
1107 		BUILD_ASSERT(!DT_PROP(node, implicit_feedback) ||		\
1108 			!AS_IS_SOF_SYNCHRONIZED(node),				\
1110 		IF_ENABLED(AS_HAS_ISOCHRONOUS_DATA_ENDPOINT(node), (		\
1111 			VALIDATE_AS_BANDWIDTH(node)))				\