455 lines
14 KiB
C
455 lines
14 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2017 Ruslan Bilovol <ruslan.bilovol@gmail.com>
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*
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* This file holds USB constants and structures defined
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* by the USB DEVICE CLASS DEFINITION FOR AUDIO DEVICES Release 3.0.
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*/
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#ifndef __LINUX_USB_AUDIO_V3_H
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#define __LINUX_USB_AUDIO_V3_H
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#include <linux/types.h>
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/*
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* v1.0, v2.0 and v3.0 of this standard have many things in common. For the rest
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* of the definitions, please refer to audio.h and audio-v2.h
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*/
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/* All High Capability descriptors have these 2 fields at the beginning */
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struct uac3_hc_descriptor_header {
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__le16 wLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__le16 wDescriptorID;
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} __attribute__ ((packed));
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/* 4.3.1 CLUSTER DESCRIPTOR HEADER */
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struct uac3_cluster_header_descriptor {
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__le16 wLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__le16 wDescriptorID;
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__u8 bNrChannels;
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} __attribute__ ((packed));
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/* 4.3.2.1 SEGMENTS */
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struct uac3_cluster_segment_descriptor {
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__le16 wLength;
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__u8 bSegmentType;
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/* __u8[0]; segment-specific data */
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} __attribute__ ((packed));
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/* 4.3.2.1.1 END SEGMENT */
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struct uac3_cluster_end_segment_descriptor {
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__le16 wLength;
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__u8 bSegmentType; /* Constant END_SEGMENT */
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} __attribute__ ((packed));
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/* 4.3.2.1.3.1 INFORMATION SEGMENT */
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struct uac3_cluster_information_segment_descriptor {
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__le16 wLength;
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__u8 bSegmentType;
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__u8 bChPurpose;
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__u8 bChRelationship;
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__u8 bChGroupID;
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} __attribute__ ((packed));
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/* 4.5.2 CLASS-SPECIFIC AC INTERFACE DESCRIPTOR */
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struct uac3_ac_header_descriptor {
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__u8 bLength; /* 10 */
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__u8 bDescriptorType; /* CS_INTERFACE descriptor type */
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__u8 bDescriptorSubtype; /* HEADER descriptor subtype */
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__u8 bCategory;
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/* includes Clock Source, Unit, Terminal, and Power Domain desc. */
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__le16 wTotalLength;
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__le32 bmControls;
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} __attribute__ ((packed));
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/* 4.5.2.1 INPUT TERMINAL DESCRIPTOR */
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struct uac3_input_terminal_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bTerminalID;
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__le16 wTerminalType;
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__u8 bAssocTerminal;
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__u8 bCSourceID;
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__le32 bmControls;
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__le16 wClusterDescrID;
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__le16 wExTerminalDescrID;
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__le16 wConnectorsDescrID;
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__le16 wTerminalDescrStr;
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} __attribute__((packed));
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/* 4.5.2.2 OUTPUT TERMINAL DESCRIPTOR */
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struct uac3_output_terminal_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bTerminalID;
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__le16 wTerminalType;
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__u8 bAssocTerminal;
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__u8 bSourceID;
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__u8 bCSourceID;
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__le32 bmControls;
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__le16 wExTerminalDescrID;
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__le16 wConnectorsDescrID;
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__le16 wTerminalDescrStr;
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} __attribute__((packed));
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/* 4.5.2.7 FEATURE UNIT DESCRIPTOR */
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struct uac3_feature_unit_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bUnitID;
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__u8 bSourceID;
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/* bmaControls is actually u32,
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* but u8 is needed for the hybrid parser */
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__u8 bmaControls[]; /* variable length */
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/* wFeatureDescrStr omitted */
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} __attribute__((packed));
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#define UAC3_DT_FEATURE_UNIT_SIZE(ch) (7 + ((ch) + 1) * 4)
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/* As above, but more useful for defining your own descriptors */
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#define DECLARE_UAC3_FEATURE_UNIT_DESCRIPTOR(ch) \
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struct uac3_feature_unit_descriptor_##ch { \
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__u8 bLength; \
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__u8 bDescriptorType; \
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__u8 bDescriptorSubtype; \
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__u8 bUnitID; \
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__u8 bSourceID; \
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__le32 bmaControls[ch + 1]; \
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__le16 wFeatureDescrStr; \
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} __attribute__ ((packed))
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/* 4.5.2.12 CLOCK SOURCE DESCRIPTOR */
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struct uac3_clock_source_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bClockID;
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__u8 bmAttributes;
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__le32 bmControls;
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__u8 bReferenceTerminal;
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__le16 wClockSourceStr;
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} __attribute__((packed));
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/* bmAttribute fields */
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#define UAC3_CLOCK_SOURCE_TYPE_EXT 0x0
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#define UAC3_CLOCK_SOURCE_TYPE_INT 0x1
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#define UAC3_CLOCK_SOURCE_ASYNC (0 << 2)
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#define UAC3_CLOCK_SOURCE_SYNCED_TO_SOF (1 << 1)
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/* 4.5.2.13 CLOCK SELECTOR DESCRIPTOR */
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struct uac3_clock_selector_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bClockID;
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__u8 bNrInPins;
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__u8 baCSourceID[];
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/* bmControls and wCSelectorDescrStr omitted */
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} __attribute__((packed));
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/* 4.5.2.14 CLOCK MULTIPLIER DESCRIPTOR */
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struct uac3_clock_multiplier_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bClockID;
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__u8 bCSourceID;
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__le32 bmControls;
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__le16 wCMultiplierDescrStr;
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} __attribute__((packed));
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/* 4.5.2.15 POWER DOMAIN DESCRIPTOR */
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struct uac3_power_domain_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bPowerDomainID;
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__le16 waRecoveryTime1;
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__le16 waRecoveryTime2;
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__u8 bNrEntities;
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__u8 baEntityID[];
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/* wPDomainDescrStr omitted */
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} __attribute__((packed));
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/* As above, but more useful for defining your own descriptors */
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#define DECLARE_UAC3_POWER_DOMAIN_DESCRIPTOR(n) \
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struct uac3_power_domain_descriptor_##n { \
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__u8 bLength; \
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__u8 bDescriptorType; \
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__u8 bDescriptorSubtype; \
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__u8 bPowerDomainID; \
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__le16 waRecoveryTime1; \
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__le16 waRecoveryTime2; \
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__u8 bNrEntities; \
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__u8 baEntityID[n]; \
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__le16 wPDomainDescrStr; \
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} __attribute__ ((packed))
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/* 4.7.2 CLASS-SPECIFIC AS INTERFACE DESCRIPTOR */
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struct uac3_as_header_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bTerminalLink;
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__le32 bmControls;
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__le16 wClusterDescrID;
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__le64 bmFormats;
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__u8 bSubslotSize;
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__u8 bBitResolution;
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__le16 bmAuxProtocols;
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__u8 bControlSize;
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} __attribute__((packed));
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#define UAC3_FORMAT_TYPE_I_RAW_DATA (1 << 6)
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/* 4.8.1.2 CLASS-SPECIFIC AS ISOCHRONOUS AUDIO DATA ENDPOINT DESCRIPTOR */
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struct uac3_iso_endpoint_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__le32 bmControls;
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__u8 bLockDelayUnits;
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__le16 wLockDelay;
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} __attribute__((packed));
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/* 5.2.1.6.1 INSERTION CONTROL PARAMETER BLOCK */
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struct uac3_insertion_ctl_blk {
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__u8 bSize;
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__u8 bmConInserted;
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} __attribute__ ((packed));
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/* 6.1 INTERRUPT DATA MESSAGE */
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struct uac3_interrupt_data_msg {
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__u8 bInfo;
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__u8 bSourceType;
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__le16 wValue;
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__le16 wIndex;
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} __attribute__((packed));
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/* A.2 AUDIO AUDIO FUNCTION SUBCLASS CODES */
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#define UAC3_FUNCTION_SUBCLASS_UNDEFINED 0x00
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#define UAC3_FUNCTION_SUBCLASS_FULL_ADC_3_0 0x01
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/* BADD profiles */
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#define UAC3_FUNCTION_SUBCLASS_GENERIC_IO 0x20
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#define UAC3_FUNCTION_SUBCLASS_HEADPHONE 0x21
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#define UAC3_FUNCTION_SUBCLASS_SPEAKER 0x22
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#define UAC3_FUNCTION_SUBCLASS_MICROPHONE 0x23
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#define UAC3_FUNCTION_SUBCLASS_HEADSET 0x24
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#define UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER 0x25
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#define UAC3_FUNCTION_SUBCLASS_SPEAKERPHONE 0x26
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/* A.7 AUDIO FUNCTION CATEGORY CODES */
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#define UAC3_FUNCTION_SUBCLASS_UNDEFINED 0x00
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#define UAC3_FUNCTION_DESKTOP_SPEAKER 0x01
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#define UAC3_FUNCTION_HOME_THEATER 0x02
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#define UAC3_FUNCTION_MICROPHONE 0x03
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#define UAC3_FUNCTION_HEADSET 0x04
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#define UAC3_FUNCTION_TELEPHONE 0x05
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#define UAC3_FUNCTION_CONVERTER 0x06
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#define UAC3_FUNCTION_SOUND_RECORDER 0x07
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#define UAC3_FUNCTION_IO_BOX 0x08
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#define UAC3_FUNCTION_MUSICAL_INSTRUMENT 0x09
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#define UAC3_FUNCTION_PRO_AUDIO 0x0a
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#define UAC3_FUNCTION_AUDIO_VIDEO 0x0b
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#define UAC3_FUNCTION_CONTROL_PANEL 0x0c
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#define UAC3_FUNCTION_HEADPHONE 0x0d
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#define UAC3_FUNCTION_GENERIC_SPEAKER 0x0e
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#define UAC3_FUNCTION_HEADSET_ADAPTER 0x0f
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#define UAC3_FUNCTION_SPEAKERPHONE 0x10
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#define UAC3_FUNCTION_OTHER 0xff
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/* A.8 AUDIO CLASS-SPECIFIC DESCRIPTOR TYPES */
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#define UAC3_CS_UNDEFINED 0x20
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#define UAC3_CS_DEVICE 0x21
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#define UAC3_CS_CONFIGURATION 0x22
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#define UAC3_CS_STRING 0x23
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#define UAC3_CS_INTERFACE 0x24
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#define UAC3_CS_ENDPOINT 0x25
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#define UAC3_CS_CLUSTER 0x26
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/* A.10 CLUSTER DESCRIPTOR SEGMENT TYPES */
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#define UAC3_SEGMENT_UNDEFINED 0x00
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#define UAC3_CLUSTER_DESCRIPTION 0x01
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#define UAC3_CLUSTER_VENDOR_DEFINED 0x1F
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#define UAC3_CHANNEL_INFORMATION 0x20
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#define UAC3_CHANNEL_AMBISONIC 0x21
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#define UAC3_CHANNEL_DESCRIPTION 0x22
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#define UAC3_CHANNEL_VENDOR_DEFINED 0xFE
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#define UAC3_END_SEGMENT 0xFF
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/* A.11 CHANNEL PURPOSE DEFINITIONS */
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#define UAC3_PURPOSE_UNDEFINED 0x00
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#define UAC3_PURPOSE_GENERIC_AUDIO 0x01
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#define UAC3_PURPOSE_VOICE 0x02
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#define UAC3_PURPOSE_SPEECH 0x03
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#define UAC3_PURPOSE_AMBIENT 0x04
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#define UAC3_PURPOSE_REFERENCE 0x05
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#define UAC3_PURPOSE_ULTRASONIC 0x06
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#define UAC3_PURPOSE_VIBROKINETIC 0x07
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#define UAC3_PURPOSE_NON_AUDIO 0xFF
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/* A.12 CHANNEL RELATIONSHIP DEFINITIONS */
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#define UAC3_CH_RELATIONSHIP_UNDEFINED 0x00
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#define UAC3_CH_MONO 0x01
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#define UAC3_CH_LEFT 0x02
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#define UAC3_CH_RIGHT 0x03
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#define UAC3_CH_ARRAY 0x04
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#define UAC3_CH_PATTERN_X 0x20
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#define UAC3_CH_PATTERN_Y 0x21
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#define UAC3_CH_PATTERN_A 0x22
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#define UAC3_CH_PATTERN_B 0x23
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#define UAC3_CH_PATTERN_M 0x24
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#define UAC3_CH_PATTERN_S 0x25
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#define UAC3_CH_FRONT_LEFT 0x80
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#define UAC3_CH_FRONT_RIGHT 0x81
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#define UAC3_CH_FRONT_CENTER 0x82
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#define UAC3_CH_FRONT_LEFT_OF_CENTER 0x83
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#define UAC3_CH_FRONT_RIGHT_OF_CENTER 0x84
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#define UAC3_CH_FRONT_WIDE_LEFT 0x85
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#define UAC3_CH_FRONT_WIDE_RIGHT 0x86
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#define UAC3_CH_SIDE_LEFT 0x87
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#define UAC3_CH_SIDE_RIGHT 0x88
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#define UAC3_CH_SURROUND_ARRAY_LEFT 0x89
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#define UAC3_CH_SURROUND_ARRAY_RIGHT 0x8A
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#define UAC3_CH_BACK_LEFT 0x8B
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#define UAC3_CH_BACK_RIGHT 0x8C
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#define UAC3_CH_BACK_CENTER 0x8D
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#define UAC3_CH_BACK_LEFT_OF_CENTER 0x8E
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#define UAC3_CH_BACK_RIGHT_OF_CENTER 0x8F
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#define UAC3_CH_BACK_WIDE_LEFT 0x90
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#define UAC3_CH_BACK_WIDE_RIGHT 0x91
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#define UAC3_CH_TOP_CENTER 0x92
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#define UAC3_CH_TOP_FRONT_LEFT 0x93
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#define UAC3_CH_TOP_FRONT_RIGHT 0x94
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#define UAC3_CH_TOP_FRONT_CENTER 0x95
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#define UAC3_CH_TOP_FRONT_LOC 0x96
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#define UAC3_CH_TOP_FRONT_ROC 0x97
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#define UAC3_CH_TOP_FRONT_WIDE_LEFT 0x98
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#define UAC3_CH_TOP_FRONT_WIDE_RIGHT 0x99
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#define UAC3_CH_TOP_SIDE_LEFT 0x9A
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#define UAC3_CH_TOP_SIDE_RIGHT 0x9B
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#define UAC3_CH_TOP_SURR_ARRAY_LEFT 0x9C
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#define UAC3_CH_TOP_SURR_ARRAY_RIGHT 0x9D
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#define UAC3_CH_TOP_BACK_LEFT 0x9E
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#define UAC3_CH_TOP_BACK_RIGHT 0x9F
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#define UAC3_CH_TOP_BACK_CENTER 0xA0
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#define UAC3_CH_TOP_BACK_LOC 0xA1
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#define UAC3_CH_TOP_BACK_ROC 0xA2
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#define UAC3_CH_TOP_BACK_WIDE_LEFT 0xA3
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#define UAC3_CH_TOP_BACK_WIDE_RIGHT 0xA4
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#define UAC3_CH_BOTTOM_CENTER 0xA5
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#define UAC3_CH_BOTTOM_FRONT_LEFT 0xA6
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#define UAC3_CH_BOTTOM_FRONT_RIGHT 0xA7
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#define UAC3_CH_BOTTOM_FRONT_CENTER 0xA8
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#define UAC3_CH_BOTTOM_FRONT_LOC 0xA9
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#define UAC3_CH_BOTTOM_FRONT_ROC 0xAA
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#define UAC3_CH_BOTTOM_FRONT_WIDE_LEFT 0xAB
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#define UAC3_CH_BOTTOM_FRONT_WIDE_RIGHT 0xAC
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#define UAC3_CH_BOTTOM_SIDE_LEFT 0xAD
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#define UAC3_CH_BOTTOM_SIDE_RIGHT 0xAE
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#define UAC3_CH_BOTTOM_SURR_ARRAY_LEFT 0xAF
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#define UAC3_CH_BOTTOM_SURR_ARRAY_RIGHT 0xB0
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#define UAC3_CH_BOTTOM_BACK_LEFT 0xB1
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#define UAC3_CH_BOTTOM_BACK_RIGHT 0xB2
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#define UAC3_CH_BOTTOM_BACK_CENTER 0xB3
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#define UAC3_CH_BOTTOM_BACK_LOC 0xB4
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#define UAC3_CH_BOTTOM_BACK_ROC 0xB5
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#define UAC3_CH_BOTTOM_BACK_WIDE_LEFT 0xB6
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#define UAC3_CH_BOTTOM_BACK_WIDE_RIGHT 0xB7
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#define UAC3_CH_LOW_FREQUENCY_EFFECTS 0xB8
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#define UAC3_CH_LFE_LEFT 0xB9
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#define UAC3_CH_LFE_RIGHT 0xBA
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#define UAC3_CH_HEADPHONE_LEFT 0xBB
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#define UAC3_CH_HEADPHONE_RIGHT 0xBC
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/* A.15 AUDIO CLASS-SPECIFIC AC INTERFACE DESCRIPTOR SUBTYPES */
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/* see audio.h for the rest, which is identical to v1 */
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#define UAC3_EXTENDED_TERMINAL 0x04
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#define UAC3_MIXER_UNIT 0x05
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#define UAC3_SELECTOR_UNIT 0x06
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#define UAC3_FEATURE_UNIT 0x07
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#define UAC3_EFFECT_UNIT 0x08
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#define UAC3_PROCESSING_UNIT 0x09
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#define UAC3_EXTENSION_UNIT 0x0a
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#define UAC3_CLOCK_SOURCE 0x0b
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#define UAC3_CLOCK_SELECTOR 0x0c
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#define UAC3_CLOCK_MULTIPLIER 0x0d
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#define UAC3_SAMPLE_RATE_CONVERTER 0x0e
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#define UAC3_CONNECTORS 0x0f
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#define UAC3_POWER_DOMAIN 0x10
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/* A.20 PROCESSING UNIT PROCESS TYPES */
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#define UAC3_PROCESS_UNDEFINED 0x00
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#define UAC3_PROCESS_UP_DOWNMIX 0x01
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#define UAC3_PROCESS_STEREO_EXTENDER 0x02
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#define UAC3_PROCESS_MULTI_FUNCTION 0x03
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/* A.22 AUDIO CLASS-SPECIFIC REQUEST CODES */
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/* see audio-v2.h for the rest, which is identical to v2 */
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#define UAC3_CS_REQ_INTEN 0x04
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#define UAC3_CS_REQ_STRING 0x05
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#define UAC3_CS_REQ_HIGH_CAPABILITY_DESCRIPTOR 0x06
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/* A.23.1 AUDIOCONTROL INTERFACE CONTROL SELECTORS */
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#define UAC3_AC_CONTROL_UNDEFINED 0x00
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#define UAC3_AC_ACTIVE_INTERFACE_CONTROL 0x01
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#define UAC3_AC_POWER_DOMAIN_CONTROL 0x02
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/* A.23.5 TERMINAL CONTROL SELECTORS */
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#define UAC3_TE_UNDEFINED 0x00
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#define UAC3_TE_INSERTION 0x01
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#define UAC3_TE_OVERLOAD 0x02
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#define UAC3_TE_UNDERFLOW 0x03
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#define UAC3_TE_OVERFLOW 0x04
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#define UAC3_TE_LATENCY 0x05
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/* A.23.10 PROCESSING UNITS CONTROL SELECTROS */
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/* Up/Down Mixer */
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#define UAC3_UD_MODE_SELECT 0x01
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/* Stereo Extender */
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#define UAC3_EXT_WIDTH_CONTROL 0x01
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/* BADD predefined Unit/Terminal values */
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#define UAC3_BADD_IT_ID1 1 /* Input Terminal ID1: bTerminalID = 1 */
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#define UAC3_BADD_FU_ID2 2 /* Feature Unit ID2: bUnitID = 2 */
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#define UAC3_BADD_OT_ID3 3 /* Output Terminal ID3: bTerminalID = 3 */
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#define UAC3_BADD_IT_ID4 4 /* Input Terminal ID4: bTerminalID = 4 */
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#define UAC3_BADD_FU_ID5 5 /* Feature Unit ID5: bUnitID = 5 */
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#define UAC3_BADD_OT_ID6 6 /* Output Terminal ID6: bTerminalID = 6 */
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#define UAC3_BADD_FU_ID7 7 /* Feature Unit ID7: bUnitID = 7 */
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#define UAC3_BADD_MU_ID8 8 /* Mixer Unit ID8: bUnitID = 8 */
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#define UAC3_BADD_CS_ID9 9 /* Clock Source Entity ID9: bClockID = 9 */
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#define UAC3_BADD_PD_ID10 10 /* Power Domain ID10: bPowerDomainID = 10 */
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#define UAC3_BADD_PD_ID11 11 /* Power Domain ID11: bPowerDomainID = 11 */
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/* BADD wMaxPacketSize of AS endpoints */
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#define UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_16 0x0060
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#define UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_16 0x0062
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#define UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_24 0x0090
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#define UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_24 0x0093
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#define UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_16 0x00C0
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#define UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_16 0x00C4
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#define UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_24 0x0120
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#define UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_24 0x0126
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/* BADD sample rate is always fixed to 48kHz */
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#define UAC3_BADD_SAMPLING_RATE 48000
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/* BADD power domains recovery times in 50us increments */
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#define UAC3_BADD_PD_RECOVER_D1D0 0x0258 /* 30ms */
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#define UAC3_BADD_PD_RECOVER_D2D0 0x1770 /* 300ms */
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#endif /* __LINUX_USB_AUDIO_V3_H */
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