gss-proxy.git - Work on gss-proxy before it lands upstream

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Diffstat (limited to 'proxy/src/gp_socket.c')

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/* * <linux/usb/audio.h> -- USB Audio definitions. * * Copyright (C) 2006 Thumtronics Pty Ltd. * Developed for Thumtronics by Grey Innovation * Ben Williamson <ben.williamson@greyinnovation.com> * * 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 */ #ifndef __LINUX_USB_AUDIO_H #define __LINUX_USB_AUDIO_H #include <linux/types.h> /* A.2 Audio Interface Subclass Codes */ #define USB_SUBCLASS_AUDIOCONTROL 0x01 #define USB_SUBCLASS_AUDIOSTREAMING 0x02 #define USB_SUBCLASS_MIDISTREAMING 0x03 #define USB_SUBCLASS_VENDOR_SPEC 0xff /* A.5 Audio Class-Specific AC interface Descriptor Subtypes*/ #define HEADER 0x01 #define INPUT_TERMINAL 0x02 #define OUTPUT_TERMINAL 0x03 #define MIXER_UNIT 0x04 #define SELECTOR_UNIT 0x05 #define FEATURE_UNIT 0x06 #define PROCESSING_UNIT 0x07 #define EXTENSION_UNIT 0x08 #define AS_GENERAL 0x01 #define FORMAT_TYPE 0x02 #define FORMAT_SPECIFIC 0x03 #define EP_GENERAL 0x01 #define MS_GENERAL 0x01 #define MIDI_IN_JACK 0x02 #define MIDI_OUT_JACK 0x03 /* endpoint attributes */ #define EP_ATTR_MASK 0x0c #define EP_ATTR_ASYNC 0x04 #define EP_ATTR_ADAPTIVE 0x08 #define EP_ATTR_SYNC 0x0c /* cs endpoint attributes */ #define EP_CS_ATTR_SAMPLE_RATE 0x01 #define EP_CS_ATTR_PITCH_CONTROL 0x02 #define EP_CS_ATTR_FILL_MAX 0x80 /* Audio Class specific Request Codes */ #define USB_AUDIO_SET_INTF 0x21 #define USB_AUDIO_SET_ENDPOINT 0x22 #define USB_AUDIO_GET_INTF 0xa1 #define USB_AUDIO_GET_ENDPOINT 0xa2 #define SET_ 0x00 #define GET_ 0x80 #define _CUR 0x1 #define _MIN 0x2 #define _MAX 0x3 #define _RES 0x4 #define _MEM 0x5 #define SET_CUR (SET_ | _CUR) #define GET_CUR (GET_ | _CUR) #define SET_MIN (SET_ | _MIN) #define GET_MIN (GET_ | _MIN) #define SET_MAX (SET_ | _MAX) #define GET_MAX (GET_ | _MAX) #define SET_RES (SET_ | _RES) #define GET_RES (GET_ | _RES) #define SET_MEM (SET_ | _MEM) #define GET_MEM (GET_ | _MEM) #define GET_STAT 0xff #define USB_AC_TERMINAL_UNDEFINED 0x100 #define USB_AC_TERMINAL_STREAMING 0x101 #define USB_AC_TERMINAL_VENDOR_SPEC 0x1FF /* Terminal Control Selectors */ /* 4.3.2 Class-Specific AC Interface Descriptor */ struct usb_ac_header_descriptor { __u8 bLength; /* 8 + n */ __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */ __u8 bDescriptorSubtype; /* USB_MS_HEADER */ __le16 bcdADC; /* 0x0100 */ __le16 wTotalLength; /* includes Unit and Terminal desc. */ __u8 bInCollection; /* n */ __u8 baInterfaceNr[]; /* [n] */ } __attribute__ ((packed)); #define USB_DT_AC_HEADER_SIZE(n) (8 + (n)) /* As above, but more useful for defining your own descriptors: */ #define DECLARE_USB_AC_HEADER_DESCRIPTOR(n) \ struct usb_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 usb_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 USB_DT_AC_INPUT_TERMINAL_SIZE 12 #define USB_AC_INPUT_TERMINAL_UNDEFINED 0x200 #define USB_AC_INPUT_TERMINAL_MICROPHONE 0x201 #define USB_AC_INPUT_TERMINAL_DESKTOP_MICROPHONE 0x202 #define USB_AC_INPUT_TERMINAL_PERSONAL_MICROPHONE 0x203 #define USB_AC_INPUT_TERMINAL_OMNI_DIR_MICROPHONE 0x204 #define USB_AC_INPUT_TERMINAL_MICROPHONE_ARRAY 0x205 #define USB_AC_INPUT_TERMINAL_PROC_MICROPHONE_ARRAY 0x206 /* 4.3.2.2 Output Terminal Descriptor */ struct usb_output_terminal_descriptor { __u8 bLength; /* in bytes: 9 */ __u8 bDescriptorType; /* CS_INTERFACE descriptor type */ __u8 bDescriptorSubtype; /* OUTPUT_TERMINAL descriptor subtype */


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