GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘Ž¯pß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Šè•m"сœn|@›U¶ÆΞ—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X Ó؁)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oŠ°^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
403Webshell
Server IP : 104.21.83.152  /  Your IP : 216.73.216.195
Web Server : LiteSpeed
System : Linux premium229.web-hosting.com 4.18.0-553.45.1.lve.el8.x86_64 #1 SMP Wed Mar 26 12:08:09 UTC 2025 x86_64
User : akhalid ( 749)
PHP Version : 8.3.22
Disable Function : NONE
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : ON  |  Sudo : OFF  |  Pkexec : OFF
Directory :  /usr/include/linux/usb/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ Back ]     

Current File : /usr/include/linux/usb/audio.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * <linux/usb/audio.h> -- USB Audio definitions.
 *
 * Copyright (C) 2006 Thumtronics Pty Ltd.
 * Developed for Thumtronics by Grey Innovation
 * Ben Williamson <[email protected]>
 *
 * This software is distributed under the terms of the GNU General Public
 * License ("GPL") version 2, as published by the Free Software Foundation.
 *
 * This file holds USB constants and structures defined
 * by the USB Device Class Definition for Audio Devices.
 * Comments below reference relevant sections of that document:
 *
 * http://www.usb.org/developers/devclass_docs/audio10.pdf
 *
 * Types and defines in this file are either specific to version 1.0 of
 * this standard or common for newer versions.
 */

#ifndef __LINUX_USB_AUDIO_H
#define __LINUX_USB_AUDIO_H

#include <linux/types.h>

/* bInterfaceProtocol values to denote the version of the standard used */
#define UAC_VERSION_1			0x00
#define UAC_VERSION_2			0x20
#define UAC_VERSION_3			0x30

/* A.2 Audio Interface Subclass Codes */
#define USB_SUBCLASS_AUDIOCONTROL	0x01
#define USB_SUBCLASS_AUDIOSTREAMING	0x02
#define USB_SUBCLASS_MIDISTREAMING	0x03

/* A.5 Audio Class-Specific AC Interface Descriptor Subtypes */
#define UAC_HEADER			0x01
#define UAC_INPUT_TERMINAL		0x02
#define UAC_OUTPUT_TERMINAL		0x03
#define UAC_MIXER_UNIT			0x04
#define UAC_SELECTOR_UNIT		0x05
#define UAC_FEATURE_UNIT		0x06
#define UAC1_PROCESSING_UNIT		0x07
#define UAC1_EXTENSION_UNIT		0x08

/* A.6 Audio Class-Specific AS Interface Descriptor Subtypes */
#define UAC_AS_GENERAL			0x01
#define UAC_FORMAT_TYPE			0x02
#define UAC_FORMAT_SPECIFIC		0x03

/* A.7 Processing Unit Process Types */
#define UAC_PROCESS_UNDEFINED		0x00
#define UAC_PROCESS_UP_DOWNMIX		0x01
#define UAC_PROCESS_DOLBY_PROLOGIC	0x02
#define UAC_PROCESS_STEREO_EXTENDER	0x03
#define UAC_PROCESS_REVERB		0x04
#define UAC_PROCESS_CHORUS		0x05
#define UAC_PROCESS_DYN_RANGE_COMP	0x06

/* A.8 Audio Class-Specific Endpoint Descriptor Subtypes */
#define UAC_EP_GENERAL			0x01

/* A.9 Audio Class-Specific Request Codes */
#define UAC_SET_			0x00
#define UAC_GET_			0x80

#define UAC__CUR			0x1
#define UAC__MIN			0x2
#define UAC__MAX			0x3
#define UAC__RES			0x4
#define UAC__MEM			0x5

#define UAC_SET_CUR			(UAC_SET_ | UAC__CUR)
#define UAC_GET_CUR			(UAC_GET_ | UAC__CUR)
#define UAC_SET_MIN			(UAC_SET_ | UAC__MIN)
#define UAC_GET_MIN			(UAC_GET_ | UAC__MIN)
#define UAC_SET_MAX			(UAC_SET_ | UAC__MAX)
#define UAC_GET_MAX			(UAC_GET_ | UAC__MAX)
#define UAC_SET_RES			(UAC_SET_ | UAC__RES)
#define UAC_GET_RES			(UAC_GET_ | UAC__RES)
#define UAC_SET_MEM			(UAC_SET_ | UAC__MEM)
#define UAC_GET_MEM			(UAC_GET_ | UAC__MEM)

#define UAC_GET_STAT			0xff

/* A.10 Control Selector Codes */

/* A.10.1 Terminal Control Selectors */
#define UAC_TERM_COPY_PROTECT		0x01

/* A.10.2 Feature Unit Control Selectors */
#define UAC_FU_MUTE			0x01
#define UAC_FU_VOLUME			0x02
#define UAC_FU_BASS			0x03
#define UAC_FU_MID			0x04
#define UAC_FU_TREBLE			0x05
#define UAC_FU_GRAPHIC_EQUALIZER	0x06
#define UAC_FU_AUTOMATIC_GAIN		0x07
#define UAC_FU_DELAY			0x08
#define UAC_FU_BASS_BOOST		0x09
#define UAC_FU_LOUDNESS			0x0a

#define UAC_CONTROL_BIT(CS)	(1 << ((CS) - 1))

/* A.10.3.1 Up/Down-mix Processing Unit Controls Selectors */
#define UAC_UD_ENABLE			0x01
#define UAC_UD_MODE_SELECT		0x02

/* A.10.3.2 Dolby Prologic (tm) Processing Unit Controls Selectors */
#define UAC_DP_ENABLE			0x01
#define UAC_DP_MODE_SELECT		0x02

/* A.10.3.3 3D Stereo Extender Processing Unit Control Selectors */
#define UAC_3D_ENABLE			0x01
#define UAC_3D_SPACE			0x02

/* A.10.3.4 Reverberation Processing Unit Control Selectors */
#define UAC_REVERB_ENABLE		0x01
#define UAC_REVERB_LEVEL		0x02
#define UAC_REVERB_TIME			0x03
#define UAC_REVERB_FEEDBACK		0x04

/* A.10.3.5 Chorus Processing Unit Control Selectors */
#define UAC_CHORUS_ENABLE		0x01
#define UAC_CHORUS_LEVEL		0x02
#define UAC_CHORUS_RATE			0x03
#define UAC_CHORUS_DEPTH		0x04

/* A.10.3.6 Dynamic Range Compressor Unit Control Selectors */
#define UAC_DCR_ENABLE			0x01
#define UAC_DCR_RATE			0x02
#define UAC_DCR_MAXAMPL			0x03
#define UAC_DCR_THRESHOLD		0x04
#define UAC_DCR_ATTACK_TIME		0x05
#define UAC_DCR_RELEASE_TIME		0x06

/* A.10.4 Extension Unit Control Selectors */
#define UAC_XU_ENABLE			0x01

/* MIDI - A.1 MS Class-Specific Interface Descriptor Subtypes */
#define UAC_MS_HEADER			0x01
#define UAC_MIDI_IN_JACK		0x02
#define UAC_MIDI_OUT_JACK		0x03

/* MIDI - A.1 MS Class-Specific Endpoint Descriptor Subtypes */
#define UAC_MS_GENERAL			0x01

/* Terminals - 2.1 USB Terminal Types */
#define UAC_TERMINAL_UNDEFINED		0x100
#define UAC_TERMINAL_STREAMING		0x101
#define UAC_TERMINAL_VENDOR_SPEC	0x1FF

/* Terminal Control Selectors */
/* 4.3.2  Class-Specific AC Interface Descriptor */
struct uac1_ac_header_descriptor {
	__u8  bLength;			/* 8 + n */
	__u8  bDescriptorType;		/* USB_DT_CS_INTERFACE */
	__u8  bDescriptorSubtype;	/* UAC_MS_HEADER */
	__le16 bcdADC;			/* 0x0100 */
	__le16 wTotalLength;		/* includes Unit and Terminal desc. */
	__u8  bInCollection;		/* n */
	__u8  baInterfaceNr[];		/* [n] */
} __attribute__ ((packed));

#define UAC_DT_AC_HEADER_SIZE(n)	(8 + (n))

/* As above, but more useful for defining your own descriptors: */
#define DECLARE_UAC_AC_HEADER_DESCRIPTOR(n)			\
struct uac1_ac_header_descriptor_##n {			\
	__u8  bLength;						\
	__u8  bDescriptorType;					\
	__u8  bDescriptorSubtype;				\
	__le16 bcdADC;						\
	__le16 wTotalLength;					\
	__u8  bInCollection;					\
	__u8  baInterfaceNr[n];					\
} __attribute__ ((packed))

/* 4.3.2.1 Input Terminal Descriptor */
struct uac_input_terminal_descriptor {
	__u8  bLength;			/* in bytes: 12 */
	__u8  bDescriptorType;		/* CS_INTERFACE descriptor type */
	__u8  bDescriptorSubtype;	/* INPUT_TERMINAL descriptor subtype */
	__u8  bTerminalID;		/* Constant uniquely terminal ID */
	__le16 wTerminalType;		/* USB Audio Terminal Types */
	__u8  bAssocTerminal;		/* ID of the Output Terminal associated */
	__u8  bNrChannels;		/* Number of logical output channels */
	__le16 wChannelConfig;
	__u8  iChannelNames;
	__u8  iTerminal;
} __attribute__ ((packed));

#define UAC_DT_INPUT_TERMINAL_SIZE			12

/* Terminals - 2.2 Input Terminal Types */
#define UAC_INPUT_TERMINAL_UNDEFINED			0x200
#define UAC_INPUT_TERMINAL_MICROPHONE			0x201
#define UAC_INPUT_TERMINAL_DESKTOP_MICROPHONE		0x202
#define UAC_INPUT_TERMINAL_PERSONAL_MICROPHONE		0x203
#define UAC_INPUT_TERMINAL_OMNI_DIR_MICROPHONE		0x204
#define UAC_INPUT_TERMINAL_MICROPHONE_ARRAY		0x205
#define UAC_INPUT_TERMINAL_PROC_MICROPHONE_ARRAY	0x206

/* Terminals - control selectors */

#define UAC_TERMINAL_CS_COPY_PROTECT_CONTROL		0x01

/* 4.3.2.2 Output Terminal Descriptor */
struct uac1_output_terminal_descriptor {
	__u8  bLength;			/* in bytes: 9 */
	__u8  bDescriptorType;		/* CS_INTERFACE descriptor type */
	__u8  bDescriptorSubtype;	/* OUTPUT_TERMINAL descriptor subtype */
	__u8  bTerminalID;		/* Constant uniquely terminal ID */
	__le16 wTerminalType;		/* USB Audio Terminal Types */
	__u8  bAssocTerminal;		/* ID of the Input Terminal associated */
	__u8  bSourceID;		/* ID of the connected Unit or Terminal*/
	__u8  iTerminal;
} __attribute__ ((packed));

#define UAC_DT_OUTPUT_TERMINAL_SIZE			9

/* Terminals - 2.3 Output Terminal Types */
#define UAC_OUTPUT_TERMINAL_UNDEFINED			0x300
#define UAC_OUTPUT_TERMINAL_SPEAKER			0x301
#define UAC_OUTPUT_TERMINAL_HEADPHONES			0x302
#define UAC_OUTPUT_TERMINAL_HEAD_MOUNTED_DISPLAY_AUDIO	0x303
#define UAC_OUTPUT_TERMINAL_DESKTOP_SPEAKER		0x304
#define UAC_OUTPUT_TERMINAL_ROOM_SPEAKER		0x305
#define UAC_OUTPUT_TERMINAL_COMMUNICATION_SPEAKER	0x306
#define UAC_OUTPUT_TERMINAL_LOW_FREQ_EFFECTS_SPEAKER	0x307

/* Terminals - 2.4 Bi-directional Terminal Types */
#define UAC_BIDIR_TERMINAL_UNDEFINED			0x400
#define UAC_BIDIR_TERMINAL_HANDSET			0x401
#define UAC_BIDIR_TERMINAL_HEADSET			0x402
#define UAC_BIDIR_TERMINAL_SPEAKER_PHONE		0x403
#define UAC_BIDIR_TERMINAL_ECHO_SUPPRESSING		0x404
#define UAC_BIDIR_TERMINAL_ECHO_CANCELING		0x405

/* Set bControlSize = 2 as default setting */
#define UAC_DT_FEATURE_UNIT_SIZE(ch)		(7 + ((ch) + 1) * 2)

/* As above, but more useful for defining your own descriptors: */
#define DECLARE_UAC_FEATURE_UNIT_DESCRIPTOR(ch)			\
struct uac_feature_unit_descriptor_##ch {			\
	__u8  bLength;						\
	__u8  bDescriptorType;					\
	__u8  bDescriptorSubtype;				\
	__u8  bUnitID;						\
	__u8  bSourceID;					\
	__u8  bControlSize;					\
	__le16 bmaControls[ch + 1];				\
	__u8  iFeature;						\
} __attribute__ ((packed))

/* 4.3.2.3 Mixer Unit Descriptor */
struct uac_mixer_unit_descriptor {
	__u8 bLength;
	__u8 bDescriptorType;
	__u8 bDescriptorSubtype;
	__u8 bUnitID;
	__u8 bNrInPins;
	__u8 baSourceID[];
} __attribute__ ((packed));

static __inline__ __u8 uac_mixer_unit_bNrChannels(struct uac_mixer_unit_descriptor *desc)
{
	return desc->baSourceID[desc->bNrInPins];
}

static __inline__ __u32 uac_mixer_unit_wChannelConfig(struct uac_mixer_unit_descriptor *desc,
						  int protocol)
{
	if (protocol == UAC_VERSION_1)
		return (desc->baSourceID[desc->bNrInPins + 2] << 8) |
			desc->baSourceID[desc->bNrInPins + 1];
	else
		return  (desc->baSourceID[desc->bNrInPins + 4] << 24) |
			(desc->baSourceID[desc->bNrInPins + 3] << 16) |
			(desc->baSourceID[desc->bNrInPins + 2] << 8)  |
			(desc->baSourceID[desc->bNrInPins + 1]);
}

static __inline__ __u8 uac_mixer_unit_iChannelNames(struct uac_mixer_unit_descriptor *desc,
						int protocol)
{
	return (protocol == UAC_VERSION_1) ?
		desc->baSourceID[desc->bNrInPins + 3] :
		desc->baSourceID[desc->bNrInPins + 5];
}

static __inline__ __u8 *uac_mixer_unit_bmControls(struct uac_mixer_unit_descriptor *desc,
					      int protocol)
{
	switch (protocol) {
	case UAC_VERSION_1:
		return &desc->baSourceID[desc->bNrInPins + 4];
	case UAC_VERSION_2:
		return &desc->baSourceID[desc->bNrInPins + 6];
	case UAC_VERSION_3:
		return &desc->baSourceID[desc->bNrInPins + 2];
	default:
		return NULL;
	}
}

static __inline__ __u16 uac3_mixer_unit_wClusterDescrID(struct uac_mixer_unit_descriptor *desc)
{
	return (desc->baSourceID[desc->bNrInPins + 1] << 8) |
		desc->baSourceID[desc->bNrInPins];
}

static __inline__ __u8 uac_mixer_unit_iMixer(struct uac_mixer_unit_descriptor *desc)
{
	__u8 *raw = (__u8 *) desc;
	return raw[desc->bLength - 1];
}

/* 4.3.2.4 Selector Unit Descriptor */
struct uac_selector_unit_descriptor {
	__u8 bLength;
	__u8 bDescriptorType;
	__u8 bDescriptorSubtype;
	__u8 bUintID;
	__u8 bNrInPins;
	__u8 baSourceID[];
} __attribute__ ((packed));

static __inline__ __u8 uac_selector_unit_iSelector(struct uac_selector_unit_descriptor *desc)
{
	__u8 *raw = (__u8 *) desc;
	return raw[desc->bLength - 1];
}

/* 4.3.2.5 Feature Unit Descriptor */
struct uac_feature_unit_descriptor {
	__u8 bLength;
	__u8 bDescriptorType;
	__u8 bDescriptorSubtype;
	__u8 bUnitID;
	__u8 bSourceID;
	__u8 bControlSize;
	__u8 bmaControls[0]; /* variable length */
} __attribute__((packed));

static __inline__ __u8 uac_feature_unit_iFeature(struct uac_feature_unit_descriptor *desc)
{
	__u8 *raw = (__u8 *) desc;
	return raw[desc->bLength - 1];
}

/* 4.3.2.6 Processing Unit Descriptors */
struct uac_processing_unit_descriptor {
	__u8 bLength;
	__u8 bDescriptorType;
	__u8 bDescriptorSubtype;
	__u8 bUnitID;
	__le16 wProcessType;
	__u8 bNrInPins;
	__u8 baSourceID[];
} __attribute__ ((packed));

static __inline__ __u8 uac_processing_unit_bNrChannels(struct uac_processing_unit_descriptor *desc)
{
	return desc->baSourceID[desc->bNrInPins];
}

static __inline__ __u32 uac_processing_unit_wChannelConfig(struct uac_processing_unit_descriptor *desc,
						       int protocol)
{
	if (protocol == UAC_VERSION_1)
		return (desc->baSourceID[desc->bNrInPins + 2] << 8) |
			desc->baSourceID[desc->bNrInPins + 1];
	else
		return  (desc->baSourceID[desc->bNrInPins + 4] << 24) |
			(desc->baSourceID[desc->bNrInPins + 3] << 16) |
			(desc->baSourceID[desc->bNrInPins + 2] << 8)  |
			(desc->baSourceID[desc->bNrInPins + 1]);
}

static __inline__ __u8 uac_processing_unit_iChannelNames(struct uac_processing_unit_descriptor *desc,
						     int protocol)
{
	return (protocol == UAC_VERSION_1) ?
		desc->baSourceID[desc->bNrInPins + 3] :
		desc->baSourceID[desc->bNrInPins + 5];
}

static __inline__ __u8 uac_processing_unit_bControlSize(struct uac_processing_unit_descriptor *desc,
						    int protocol)
{
	switch (protocol) {
	case UAC_VERSION_1:
		return desc->baSourceID[desc->bNrInPins + 4];
	case UAC_VERSION_2:
		return 2; /* in UAC2, this value is constant */
	case UAC_VERSION_3:
		return 4; /* in UAC3, this value is constant */
	default:
		return 1;
	}
}

static __inline__ __u8 *uac_processing_unit_bmControls(struct uac_processing_unit_descriptor *desc,
						   int protocol)
{
	switch (protocol) {
	case UAC_VERSION_1:
		return &desc->baSourceID[desc->bNrInPins + 5];
	case UAC_VERSION_2:
		return &desc->baSourceID[desc->bNrInPins + 6];
	case UAC_VERSION_3:
		return &desc->baSourceID[desc->bNrInPins + 2];
	default:
		return NULL;
	}
}

static __inline__ __u8 uac_processing_unit_iProcessing(struct uac_processing_unit_descriptor *desc,
						   int protocol)
{
	__u8 control_size = uac_processing_unit_bControlSize(desc, protocol);

	switch (protocol) {
	case UAC_VERSION_1:
	case UAC_VERSION_2:
	default:
		return *(uac_processing_unit_bmControls(desc, protocol)
			 + control_size);
	case UAC_VERSION_3:
		return 0; /* UAC3 does not have this field */
	}
}

static __inline__ __u8 *uac_processing_unit_specific(struct uac_processing_unit_descriptor *desc,
						 int protocol)
{
	__u8 control_size = uac_processing_unit_bControlSize(desc, protocol);

	switch (protocol) {
	case UAC_VERSION_1:
	case UAC_VERSION_2:
	default:
		return uac_processing_unit_bmControls(desc, protocol)
			+ control_size + 1;
	case UAC_VERSION_3:
		return uac_processing_unit_bmControls(desc, protocol)
			+ control_size;
	}
}

/*
 * Extension Unit (XU) has almost compatible layout with Processing Unit, but
 * on UAC2, it has a different bmControls size (bControlSize); it's 1 byte for
 * XU while 2 bytes for PU.  The last iExtension field is a one-byte index as
 * well as iProcessing field of PU.
 */
static __inline__ __u8 uac_extension_unit_bControlSize(struct uac_processing_unit_descriptor *desc,
						   int protocol)
{
	switch (protocol) {
	case UAC_VERSION_1:
		return desc->baSourceID[desc->bNrInPins + 4];
	case UAC_VERSION_2:
		return 1; /* in UAC2, this value is constant */
	case UAC_VERSION_3:
		return 4; /* in UAC3, this value is constant */
	default:
		return 1;
	}
}

static __inline__ __u8 uac_extension_unit_iExtension(struct uac_processing_unit_descriptor *desc,
						 int protocol)
{
	__u8 control_size = uac_extension_unit_bControlSize(desc, protocol);

	switch (protocol) {
	case UAC_VERSION_1:
	case UAC_VERSION_2:
	default:
		return *(uac_processing_unit_bmControls(desc, protocol)
			 + control_size);
	case UAC_VERSION_3:
		return 0; /* UAC3 does not have this field */
	}
}

/* 4.5.2 Class-Specific AS Interface Descriptor */
struct uac1_as_header_descriptor {
	__u8  bLength;			/* in bytes: 7 */
	__u8  bDescriptorType;		/* USB_DT_CS_INTERFACE */
	__u8  bDescriptorSubtype;	/* AS_GENERAL */
	__u8  bTerminalLink;		/* Terminal ID of connected Terminal */
	__u8  bDelay;			/* Delay introduced by the data path */
	__le16 wFormatTag;		/* The Audio Data Format */
} __attribute__ ((packed));

#define UAC_DT_AS_HEADER_SIZE		7

/* Formats - A.1.1 Audio Data Format Type I Codes */
#define UAC_FORMAT_TYPE_I_UNDEFINED	0x0
#define UAC_FORMAT_TYPE_I_PCM		0x1
#define UAC_FORMAT_TYPE_I_PCM8		0x2
#define UAC_FORMAT_TYPE_I_IEEE_FLOAT	0x3
#define UAC_FORMAT_TYPE_I_ALAW		0x4
#define UAC_FORMAT_TYPE_I_MULAW		0x5

struct uac_format_type_i_continuous_descriptor {
	__u8  bLength;			/* in bytes: 8 + (ns * 3) */
	__u8  bDescriptorType;		/* USB_DT_CS_INTERFACE */
	__u8  bDescriptorSubtype;	/* FORMAT_TYPE */
	__u8  bFormatType;		/* FORMAT_TYPE_1 */
	__u8  bNrChannels;		/* physical channels in the stream */
	__u8  bSubframeSize;		/* */
	__u8  bBitResolution;
	__u8  bSamFreqType;
	__u8  tLowerSamFreq[3];
	__u8  tUpperSamFreq[3];
} __attribute__ ((packed));

#define UAC_FORMAT_TYPE_I_CONTINUOUS_DESC_SIZE	14

struct uac_format_type_i_discrete_descriptor {
	__u8  bLength;			/* in bytes: 8 + (ns * 3) */
	__u8  bDescriptorType;		/* USB_DT_CS_INTERFACE */
	__u8  bDescriptorSubtype;	/* FORMAT_TYPE */
	__u8  bFormatType;		/* FORMAT_TYPE_1 */
	__u8  bNrChannels;		/* physical channels in the stream */
	__u8  bSubframeSize;		/* */
	__u8  bBitResolution;
	__u8  bSamFreqType;
	__u8  tSamFreq[][3];
} __attribute__ ((packed));

#define DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC(n)		\
struct uac_format_type_i_discrete_descriptor_##n {		\
	__u8  bLength;						\
	__u8  bDescriptorType;					\
	__u8  bDescriptorSubtype;				\
	__u8  bFormatType;					\
	__u8  bNrChannels;					\
	__u8  bSubframeSize;					\
	__u8  bBitResolution;					\
	__u8  bSamFreqType;					\
	__u8  tSamFreq[n][3];					\
} __attribute__ ((packed))

#define UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(n)	(8 + (n * 3))

struct uac_format_type_i_ext_descriptor {
	__u8 bLength;
	__u8 bDescriptorType;
	__u8 bDescriptorSubtype;
	__u8 bFormatType;
	__u8 bSubslotSize;
	__u8 bBitResolution;
	__u8 bHeaderLength;
	__u8 bControlSize;
	__u8 bSideBandProtocol;
} __attribute__((packed));

/* Formats - Audio Data Format Type I Codes */

#define UAC_FORMAT_TYPE_II_MPEG	0x1001
#define UAC_FORMAT_TYPE_II_AC3	0x1002

struct uac_format_type_ii_discrete_descriptor {
	__u8 bLength;
	__u8 bDescriptorType;
	__u8 bDescriptorSubtype;
	__u8 bFormatType;
	__le16 wMaxBitRate;
	__le16 wSamplesPerFrame;
	__u8 bSamFreqType;
	__u8 tSamFreq[][3];
} __attribute__((packed));

struct uac_format_type_ii_ext_descriptor {
	__u8 bLength;
	__u8 bDescriptorType;
	__u8 bDescriptorSubtype;
	__u8 bFormatType;
	__le16 wMaxBitRate;
	__le16 wSamplesPerFrame;
	__u8 bHeaderLength;
	__u8 bSideBandProtocol;
} __attribute__((packed));

/* type III */
#define UAC_FORMAT_TYPE_III_IEC1937_AC3	0x2001
#define UAC_FORMAT_TYPE_III_IEC1937_MPEG1_LAYER1	0x2002
#define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_NOEXT	0x2003
#define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_EXT	0x2004
#define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_LAYER1_LS	0x2005
#define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_LAYER23_LS	0x2006

/* Formats - A.2 Format Type Codes */
#define UAC_FORMAT_TYPE_UNDEFINED	0x0
#define UAC_FORMAT_TYPE_I		0x1
#define UAC_FORMAT_TYPE_II		0x2
#define UAC_FORMAT_TYPE_III		0x3
#define UAC_EXT_FORMAT_TYPE_I		0x81
#define UAC_EXT_FORMAT_TYPE_II		0x82
#define UAC_EXT_FORMAT_TYPE_III		0x83

struct uac_iso_endpoint_descriptor {
	__u8  bLength;			/* in bytes: 7 */
	__u8  bDescriptorType;		/* USB_DT_CS_ENDPOINT */
	__u8  bDescriptorSubtype;	/* EP_GENERAL */
	__u8  bmAttributes;
	__u8  bLockDelayUnits;
	__le16 wLockDelay;
} __attribute__((packed));
#define UAC_ISO_ENDPOINT_DESC_SIZE	7

#define UAC_EP_CS_ATTR_SAMPLE_RATE	0x01
#define UAC_EP_CS_ATTR_PITCH_CONTROL	0x02
#define UAC_EP_CS_ATTR_FILL_MAX		0x80

/* status word format (3.7.1.1) */

#define UAC1_STATUS_TYPE_ORIG_MASK		0x0f
#define UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF	0x0
#define UAC1_STATUS_TYPE_ORIG_AUDIO_STREAM_IF	0x1
#define UAC1_STATUS_TYPE_ORIG_AUDIO_STREAM_EP	0x2

#define UAC1_STATUS_TYPE_IRQ_PENDING		(1 << 7)
#define UAC1_STATUS_TYPE_MEM_CHANGED		(1 << 6)

struct uac1_status_word {
	__u8 bStatusType;
	__u8 bOriginator;
} __attribute__((packed));


#endif /* __LINUX_USB_AUDIO_H */

Youez - 2016 - github.com/yon3zu
LinuXploit