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

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