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未验证 提交 111ee304 编写于 作者: B Bernard Xiong 提交者： GitHub
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Merge pull request #4629 from Guozhanxin/uac 

【完善】uac class, 去除 GPL 代码
上级 f4f6bf52 48bf53b6
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Showing with 475 addition and 735 deletion
components/drivers/usb/usbdevice/class/audio.h 已删除 100644 → 0
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/* 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 <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
*
* Types and defines in this file are either specific to version 1.0 of
* this standard or common for newer versions.
*/
#ifndef _UAPI__LINUX_USB_AUDIO_H
#define _UAPI__LINUX_USB_AUDIO_H
//#include <linux/types.h>
#include <rtthread.h>
typedef int8_t __s8;
typedef uint8_t __u8;
typedef int16_t __s16;
typedef uint16_t __u16;
typedef int32_t __s32;
typedef uint32_t __u32;
typedef int64_t __s64;
typedef uint64_t __u64;
#define UAC_USE_FEATURE_UNIT 0 /* Feature unit does not support */
/*
* Below are truly Linux-specific types that should never collide with
* any application/library that wants linux/types.h.
*/
#ifdef __CHECKER__
#define __bitwise__ __attribute__((bitwise))
#else
#define __bitwise__
#endif
#ifdef __CHECK_ENDIAN__
#define __bitwise __bitwise__
#else
#define __bitwise
#endif
typedef __u16 __bitwise __le16;
typedef __u16 __bitwise __be16;
typedef __u32 __bitwise __le32;
typedef __u32 __bitwise __be32;
typedef __u64 __bitwise __le64;
typedef __u64 __bitwise __be64;
typedef __u16 __bitwise __sum16;
typedef __u32 __bitwise __wsum;
/* 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];
}
#if UAC_USE_FEATURE_UNIT
/* 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];
}
#endif
/* 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 /* _UAPI__LINUX_USB_AUDIO_H */
components/drivers/usb/usbdevice/class/audio_mic.c
浏览文件 @ 111ee304
......@@ -11,7 +11,8 @@
#include <rthw.h>
#include <rtdevice.h>
#include "drivers/usb_device.h"
#include "audio.h"
#include "uaudioreg.h"
#define DBG_TAG "usbd.audio.mic"
#define DBG_LVL DBG_INFO
......@@ -46,9 +47,6 @@
#define UAC_MAX_PACKET_SIZE 64
#define UAC_EP_MAX_PACKET_SIZE 32
#define UAC_CHANNEL_NUM RECORD_CHANNEL
#define UAC_INTR_NUM 1
#define UAC_CH_NUM 1
#define UAC_FORMAT_NUM 1
struct uac_ac_descriptor
{
......@@ -56,21 +54,21 @@ struct uac_ac_descriptor
struct uiad_descriptor iad_desc;
#endif
struct uinterface_descriptor intf_desc;
DECLARE_UAC_AC_HEADER_DESCRIPTOR(UAC_INTR_NUM) hdr_desc;
struct uac_input_terminal_descriptor it_desc;
struct uac1_output_terminal_descriptor ot_desc;
struct usb_audio_control_descriptor hdr_desc;
struct usb_audio_input_terminal it_desc;
struct usb_audio_output_terminal ot_desc;
#if UAC_USE_FEATURE_UNIT
DECLARE_UAC_FEATURE_UNIT_DESCRIPTOR(UAC_CH_NUM) feature_unit_desc;
struct usb_audio_feature_unit feature_unit_desc;
#endif
};
struct uac_as_descriptor
{
struct uinterface_descriptor intf_desc;
struct uac1_as_header_descriptor hdr_desc;
DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC(UAC_FORMAT_NUM) format_type_desc;
struct usb_audio_streaming_interface_descriptor hdr_desc;
struct usb_audio_streaming_type1_descriptor format_type_desc;
struct uendpoint_descriptor ep_desc;
struct uac_iso_endpoint_descriptor as_ep_desc;
struct usb_audio_streaming_endpoint_descriptor as_ep_desc;
};
/*
......@@ -169,9 +167,9 @@ static struct uac_ac_descriptor ac_desc =
},
/* Header Descriptor */
{
UAC_DT_AC_HEADER_SIZE(UAC_INTR_NUM),
sizeof(struct usb_audio_control_descriptor),
UAC_CS_INTERFACE,
UAC_HEADER,
UDESCSUB_AC_HEADER,
0x0100, /* Version: 1.00 */
0x001E, /* Total length: 30 */
0x01, /* Total number of interfaces: 1 */
......@@ -179,9 +177,9 @@ static struct uac_ac_descriptor ac_desc =
},
/* Input Terminal Descriptor */
{
UAC_DT_INPUT_TERMINAL_SIZE,
sizeof(struct usb_audio_input_terminal),
UAC_CS_INTERFACE,
UAC_INPUT_TERMINAL,
UDESCSUB_AC_INPUT,
0x01, /* Terminal ID: 1 */
0x0201, /* Terminal Type: Microphone (0x0201) */
0x00, /* Assoc Terminal: 0 */
......@@ -192,9 +190,9 @@ static struct uac_ac_descriptor ac_desc =
},
/* Output Terminal Descriptor */
{
UAC_DT_OUTPUT_TERMINAL_SIZE,
sizeof(struct usb_audio_output_terminal),
UAC_CS_INTERFACE,
UAC_OUTPUT_TERMINAL,
UDESCSUB_AC_OUTPUT,
0x02, /* Terminal ID: 2 */
0x0101, /* Terminal Type: USB Streaming (0x0101) */
0x00, /* Assoc Terminal: 0 */
......@@ -204,11 +202,12 @@ static struct uac_ac_descriptor ac_desc =
#if UAC_USE_FEATURE_UNIT
/* Feature unit Descriptor */
{
UAC_DT_FEATURE_UNIT_SIZE(UAC_CH_NUM),
sizeof(struct usb_audio_feature_unit),
UAC_CS_INTERFACE,
UAC_FEATURE_UNIT,
UDESCSUB_AC_FEATURE,
0x02,
0x0101,
0x01,
0x01,
0x00,
0x01,
},
......@@ -246,19 +245,19 @@ static struct uac_as_descriptor as_desc =
},
/* General AS Descriptor */
{
UAC_DT_AS_HEADER_SIZE,
sizeof(struct usb_audio_streaming_interface_descriptor),
UAC_CS_INTERFACE,
UAC_AS_GENERAL,
AS_GENERAL,
0x02, /* Terminal ID: 2 */
0x01, /* Interface delay in frames: 1 */
UAC_FORMAT_TYPE_I_PCM,
UA_FMT_PCM,
},
/* Format type i Descriptor */
{
UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(UAC_FORMAT_NUM),
sizeof(struct usb_audio_streaming_type1_descriptor),
UAC_CS_INTERFACE,
UAC_FORMAT_TYPE,
UAC_FORMAT_TYPE_I,
FORMAT_TYPE,
FORMAT_TYPE_I,
UAC_CHANNEL_NUM,
2, /* Subframe Size: 2 */
RESOLUTION_BITS,
......@@ -276,9 +275,9 @@ static struct uac_as_descriptor as_desc =
},
/* AS Endpoint Descriptor */
{
UAC_ISO_ENDPOINT_DESC_SIZE,
sizeof(struct usb_audio_streaming_endpoint_descriptor),
UAC_CS_ENDPOINT,
UAC_MS_GENERAL,
AS_GENERAL,
},
};
......@@ -476,9 +475,9 @@ static rt_err_t _uac_descriptor_config(struct uac_ac_descriptor *ac,
static rt_err_t _uac_samplerate_config(struct uac_as_descriptor *as, rt_uint32_t samplerate)
{
as->format_type_desc.tSamFreq[0][2] = samplerate >> 16 & 0xff;
as->format_type_desc.tSamFreq[0][1] = samplerate >> 8 & 0xff;
as->format_type_desc.tSamFreq[0][0] = samplerate & 0xff;
as->format_type_desc.tSamFreq[0 * 3 + 2] = samplerate >> 16 & 0xff;
as->format_type_desc.tSamFreq[0 * 3 + 1] = samplerate >> 8 & 0xff;
as->format_type_desc.tSamFreq[0 * 3 + 0] = samplerate & 0xff;
return RT_EOK;
}
......
components/drivers/usb/usbdevice/class/audio_speaker.c
浏览文件 @ 111ee304
......@@ -11,7 +11,9 @@
#include <rthw.h>
#include <rtdevice.h>
#include "drivers/usb_device.h"
#include "audio.h"
#define AUFMT_MAX_FREQUENCIES 1
#include "uaudioreg.h"
#define DBG_TAG "usbd.audio.speaker"
#define DBG_LVL DBG_INFO
......@@ -46,9 +48,6 @@
#define UAC_MAX_PACKET_SIZE 64
#define UAC_EP_MAX_PACKET_SIZE 32
#define UAC_CHANNEL_NUM AUDIO_CHANNEL
#define UAC_INTR_NUM 1
#define UAC_CH_NUM 1
#define UAC_FORMAT_NUM 1
struct uac_ac_descriptor
{
......@@ -56,21 +55,21 @@ struct uac_ac_descriptor
struct uiad_descriptor iad_desc;
#endif
struct uinterface_descriptor intf_desc;
DECLARE_UAC_AC_HEADER_DESCRIPTOR(UAC_INTR_NUM) hdr_desc;
struct uac_input_terminal_descriptor it_desc;
struct uac1_output_terminal_descriptor ot_desc;
struct usb_audio_control_descriptor hdr_desc;
struct usb_audio_input_terminal it_desc;
struct usb_audio_output_terminal ot_desc;
#if UAC_USE_FEATURE_UNIT
DECLARE_UAC_FEATURE_UNIT_DESCRIPTOR(UAC_CH_NUM) feature_unit_desc;
struct usb_audio_feature_unit feature_unit_desc;
#endif
};
struct uac_as_descriptor
{
struct uinterface_descriptor intf_desc;
struct uac1_as_header_descriptor hdr_desc;
DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC(UAC_FORMAT_NUM) format_type_desc;
struct usb_audio_streaming_interface_descriptor hdr_desc;
struct usb_audio_streaming_type1_descriptor format_type_desc;
struct uendpoint_descriptor ep_desc;
struct uac_iso_endpoint_descriptor as_ep_desc;
struct usb_audio_streaming_endpoint_descriptor as_ep_desc;
};
/*
......@@ -169,9 +168,9 @@ static struct uac_ac_descriptor ac_desc =
},
/* Header Descriptor */
{
UAC_DT_AC_HEADER_SIZE(UAC_INTR_NUM),
sizeof(struct usb_audio_control_descriptor),
UAC_CS_INTERFACE,
UAC_HEADER,
UDESCSUB_AC_HEADER,
0x0100, /* Version: 1.00 */
0x0027, /* Total length: 39 */
0x01, /* Total number of interfaces: 1 */
......@@ -179,9 +178,9 @@ static struct uac_ac_descriptor ac_desc =
},
/* Input Terminal Descriptor */
{
UAC_DT_INPUT_TERMINAL_SIZE,
sizeof(struct usb_audio_input_terminal),
UAC_CS_INTERFACE,
UAC_INPUT_TERMINAL,
UDESCSUB_AC_INPUT,
0x01, /* Terminal ID: 1 */
0x0101, /* Terminal Type: USB Streaming (0x0101) */
0x00, /* Assoc Terminal: 0 */
......@@ -192,9 +191,9 @@ static struct uac_ac_descriptor ac_desc =
},
/* Output Terminal Descriptor */
{
UAC_DT_OUTPUT_TERMINAL_SIZE,
sizeof(struct usb_audio_output_terminal),
UAC_CS_INTERFACE,
UAC_OUTPUT_TERMINAL,
UDESCSUB_AC_OUTPUT,
0x02, /* Terminal ID: 2 */
0x0302, /* Terminal Type: Headphones (0x0302) */
0x00, /* Assoc Terminal: 0 */
......@@ -246,19 +245,19 @@ static struct uac_as_descriptor as_desc =
},
/* General AS Descriptor */
{
UAC_DT_AS_HEADER_SIZE,
sizeof(struct usb_audio_streaming_interface_descriptor),
UAC_CS_INTERFACE,
UAC_AS_GENERAL,
AS_GENERAL,
0x01, /* Terminal ID: 1 */
0x01, /* Interface delay in frames: 1 */
UAC_FORMAT_TYPE_I_PCM,
UA_FMT_PCM,
},
/* Format type i Descriptor */
{
UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(UAC_FORMAT_NUM),
sizeof(struct usb_audio_streaming_type1_descriptor),
UAC_CS_INTERFACE,
UAC_FORMAT_TYPE,
UAC_FORMAT_TYPE_I,
FORMAT_TYPE,
FORMAT_TYPE_I,
UAC_CHANNEL_NUM,
2, /* Subframe Size: 2 */
RESOLUTION_BITS,
......@@ -276,9 +275,9 @@ static struct uac_as_descriptor as_desc =
},
/* AS Endpoint Descriptor */
{
UAC_ISO_ENDPOINT_DESC_SIZE,
sizeof(struct usb_audio_streaming_endpoint_descriptor),
UAC_CS_ENDPOINT,
UAC_MS_GENERAL,
AS_GENERAL,
},
};
......@@ -477,9 +476,9 @@ static rt_err_t _uac_descriptor_config(struct uac_ac_descriptor *ac,
static rt_err_t _uac_samplerate_config(struct uac_as_descriptor *as, rt_uint32_t samplerate)
{
as->format_type_desc.tSamFreq[0][2] = samplerate >> 16 & 0xff;
as->format_type_desc.tSamFreq[0][1] = samplerate >> 8 & 0xff;
as->format_type_desc.tSamFreq[0][0] = samplerate & 0xff;
as->format_type_desc.tSamFreq[0 * 3 + 2] = samplerate >> 16 & 0xff;
as->format_type_desc.tSamFreq[0 * 3 + 1] = samplerate >> 8 & 0xff;
as->format_type_desc.tSamFreq[0 * 3 + 0] = samplerate & 0xff;
return RT_EOK;
}
......
components/drivers/usb/usbdevice/class/uaudioreg.h 0 → 100644
浏览文件 @ 111ee304
/* $NetBSD: uaudioreg.h,v 1.15.38.1 2012/06/02 11:09:29 mrg Exp $ */
/*
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (lennart@augustsson.net) at
* Carlstedt Research & Technology.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <rtdef.h>
typedef uint8_t uByte;
typedef uint16_t uWord;
#define UPACKED __attribute__ ((packed))
#define UAUDIO_VERSION 0x100
#define USB_SUBCLASS_AUDIOCONTROL 1
#define USB_SUBCLASS_AUDIOSTREAMING 2
#define USB_SUBCLASS_AUDIOMIDISTREAM 3
#define UDESC_CS_CONFIG 0x22
#define UDESC_CS_STRING 0x23
#define UDESC_CS_INTERFACE 0x24
#define UDESC_CS_ENDPOINT 0x25
#define UDESCSUB_AC_HEADER 1
#define UDESCSUB_AC_INPUT 2
#define UDESCSUB_AC_OUTPUT 3
#define UDESCSUB_AC_MIXER 4
#define UDESCSUB_AC_SELECTOR 5
#define UDESCSUB_AC_FEATURE 6
#define UDESCSUB_AC_PROCESSING 7
#define UDESCSUB_AC_EXTENSION 8
#ifndef AUFMT_MAX_FREQUENCIES
#define AUFMT_MAX_FREQUENCIES 1
#endif
/* The first fields are identical to usb_endpoint_descriptor_t */
typedef struct {
uByte bLength;
uByte bDescriptorType;
uByte bEndpointAddress;
uByte bmAttributes;
uWord wMaxPacketSize;
uByte bInterval;
/*
* The following two entries are only used by the Audio Class.
* And according to the specs the Audio Class is the only one
* allowed to extend the endpoint descriptor.
* Who knows what goes on in the minds of the people in the USB
* standardization? :-(
*/
uByte bRefresh;
uByte bSynchAddress;
} UPACKED usb_endpoint_descriptor_audio_t;
/* generic, for iteration */
typedef struct {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
} UPACKED uaudio_cs_descriptor_t;
struct usb_audio_control_descriptor {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uWord bcdADC;
uWord wTotalLength;
uByte bInCollection;
uByte baInterfaceNr[1];
} UPACKED;
struct usb_audio_streaming_interface_descriptor {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bTerminalLink;
uByte bDelay;
uWord wFormatTag;
} UPACKED;
struct usb_audio_streaming_endpoint_descriptor {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bmAttributes;
#define UA_SED_FREQ_CONTROL 0x01
#define UA_SED_PITCH_CONTROL 0x02
#define UA_SED_MAXPACKETSONLY 0x80
uByte bLockDelayUnits;
uWord wLockDelay;
} UPACKED;
struct usb_audio_streaming_type1_descriptor {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bFormatType;
uByte bNrChannels;
uByte bSubFrameSize;
uByte bBitResolution;
uByte bSamFreqType;
#define UA_SAMP_CONTNUOUS 0
uByte tSamFreq[3*AUFMT_MAX_FREQUENCIES];
#define UA_GETSAMP(p, n) ((p)->tSamFreq[(n)*3+0] | ((p)->tSamFreq[(n)*3+1] << 8) | ((p)->tSamFreq[(n)*3+2] << 16))
#define UA_SAMP_LO(p) UA_GETSAMP(p, 0)
#define UA_SAMP_HI(p) UA_GETSAMP(p, 1)
} UPACKED;
struct usb_audio_cluster {
uByte bNrChannels;
uWord wChannelConfig;
#define UA_CHANNEL_LEFT 0x0001
#define UA_CHANNEL_RIGHT 0x0002
#define UA_CHANNEL_CENTER 0x0004
#define UA_CHANNEL_LFE 0x0008
#define UA_CHANNEL_L_SURROUND 0x0010
#define UA_CHANNEL_R_SURROUND 0x0020
#define UA_CHANNEL_L_CENTER 0x0040
#define UA_CHANNEL_R_CENTER 0x0080
#define UA_CHANNEL_SURROUND 0x0100
#define UA_CHANNEL_L_SIDE 0x0200
#define UA_CHANNEL_R_SIDE 0x0400
#define UA_CHANNEL_TOP 0x0800
uByte iChannelNames;
} UPACKED;
/* Shared by all units and terminals */
struct usb_audio_unit {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bUnitId;
};
/* UDESCSUB_AC_INPUT */
struct usb_audio_input_terminal {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bTerminalId;
uWord wTerminalType;
uByte bAssocTerminal;
uByte bNrChannels;
uWord wChannelConfig;
uByte iChannelNames;
uByte iTerminal;
} UPACKED;
/* UDESCSUB_AC_OUTPUT */
struct usb_audio_output_terminal {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bTerminalId;
uWord wTerminalType;
uByte bAssocTerminal;
uByte bSourceId;
uByte iTerminal;
} UPACKED;
/* UDESCSUB_AC_MIXER */
struct usb_audio_mixer_unit {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bUnitId;
uByte bNrInPins;
uByte baSourceId[255]; /* [bNrInPins] */
/* struct usb_audio_mixer_unit_1 */
} UPACKED;
struct usb_audio_mixer_unit_1 {
uByte bNrChannels;
uWord wChannelConfig;
uByte iChannelNames;
uByte bmControls[255]; /* [bNrChannels] */
/*uByte iMixer;*/
} UPACKED;
/* UDESCSUB_AC_SELECTOR */
struct usb_audio_selector_unit {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bUnitId;
uByte bNrInPins;
uByte baSourceId[255]; /* [bNrInPins] */
/* uByte iSelector; */
} UPACKED;
/* UDESCSUB_AC_FEATURE */
struct usb_audio_feature_unit {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bUnitId;
uByte bSourceId;
uByte bControlSize;
uByte bmaControls[2]; /* size for more than enough */
/* uByte iFeature; */
} UPACKED;
/* UDESCSUB_AC_PROCESSING */
struct usb_audio_processing_unit {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bUnitId;
uWord wProcessType;
uByte bNrInPins;
uByte baSourceId[255]; /* [bNrInPins] */
/* struct usb_audio_processing_unit_1 */
} UPACKED;
struct usb_audio_processing_unit_1{
uByte bNrChannels;
uWord wChannelConfig;
uByte iChannelNames;
uByte bControlSize;
uByte bmControls[255]; /* [bControlSize] */
#define UA_PROC_ENABLE_MASK 1
} UPACKED;
struct usb_audio_processing_unit_updown {
uByte iProcessing;
uByte bNrModes;
uWord waModes[255]; /* [bNrModes] */
} UPACKED;
/* UDESCSUB_AC_EXTENSION */
struct usb_audio_extension_unit {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bUnitId;
uWord wExtensionCode;
uByte bNrInPins;
uByte baSourceId[255]; /* [bNrInPins] */
/* struct usb_audio_extension_unit_1 */
} UPACKED;
struct usb_audio_extension_unit_1 {
uByte bNrChannels;
uWord wChannelConfig;
uByte iChannelNames;
uByte bControlSize;
uByte bmControls[255]; /* [bControlSize] */
#define UA_EXT_ENABLE_MASK 1
#define UA_EXT_ENABLE 1
/*uByte iExtension;*/
} UPACKED;
/* USB terminal types */
#define UAT_UNDEFINED 0x0100
#define UAT_STREAM 0x0101
#define UAT_VENDOR 0x01ff
/* input terminal types */
#define UATI_UNDEFINED 0x0200
#define UATI_MICROPHONE 0x0201
#define UATI_DESKMICROPHONE 0x0202
#define UATI_PERSONALMICROPHONE 0x0203
#define UATI_OMNIMICROPHONE 0x0204
#define UATI_MICROPHONEARRAY 0x0205
#define UATI_PROCMICROPHONEARR 0x0206
/* output terminal types */
#define UATO_UNDEFINED 0x0300
#define UATO_SPEAKER 0x0301
#define UATO_HEADPHONES 0x0302
#define UATO_DISPLAYAUDIO 0x0303
#define UATO_DESKTOPSPEAKER 0x0304
#define UATO_ROOMSPEAKER 0x0305
#define UATO_COMMSPEAKER 0x0306
#define UATO_SUBWOOFER 0x0307
/* bidir terminal types */
#define UATB_UNDEFINED 0x0400
#define UATB_HANDSET 0x0401
#define UATB_HEADSET 0x0402
#define UATB_SPEAKERPHONE 0x0403
#define UATB_SPEAKERPHONEESUP 0x0404
#define UATB_SPEAKERPHONEECANC 0x0405
/* telephony terminal types */
#define UATT_UNDEFINED 0x0500
#define UATT_PHONELINE 0x0501
#define UATT_TELEPHONE 0x0502
#define UATT_DOWNLINEPHONE 0x0503
/* external terminal types */
#define UATE_UNDEFINED 0x0600
#define UATE_ANALOGCONN 0x0601
#define UATE_DIGITALAUIFC 0x0602
#define UATE_LINECONN 0x0603
#define UATE_LEGACYCONN 0x0604
#define UATE_SPDIF 0x0605
#define UATE_1394DA 0x0606
#define UATE_1394DV 0x0607
/* embedded function terminal types */
#define UATF_UNDEFINED 0x0700
#define UATF_CALIBNOISE 0x0701
#define UATF_EQUNOISE 0x0702
#define UATF_CDPLAYER 0x0703
#define UATF_DAT 0x0704
#define UATF_DCC 0x0705
#define UATF_MINIDISK 0x0706
#define UATF_ANALOGTAPE 0x0707
#define UATF_PHONOGRAPH 0x0708
#define UATF_VCRAUDIO 0x0709
#define UATF_VIDEODISCAUDIO 0x070a
#define UATF_DVDAUDIO 0x070b
#define UATF_TVTUNERAUDIO 0x070c
#define UATF_SATELLITE 0x070d
#define UATF_CABLETUNER 0x070e
#define UATF_DSS 0x070f
#define UATF_RADIORECV 0x0710
#define UATF_RADIOXMIT 0x0711
#define UATF_MULTITRACK 0x0712
#define UATF_SYNTHESIZER 0x0713
#define SET_CUR 0x01
#define GET_CUR 0x81
#define SET_MIN 0x02
#define GET_MIN 0x82
#define SET_MAX 0x03
#define GET_MAX 0x83
#define SET_RES 0x04
#define GET_RES 0x84
#define SET_MEM 0x05
#define GET_MEM 0x85
#define GET_STAT 0xff
#define MUTE_CONTROL 0x01
#define VOLUME_CONTROL 0x02
#define BASS_CONTROL 0x03
#define MID_CONTROL 0x04
#define TREBLE_CONTROL 0x05
#define GRAPHIC_EQUALIZER_CONTROL 0x06
#define AGC_CONTROL 0x07
#define DELAY_CONTROL 0x08
#define BASS_BOOST_CONTROL 0x09
#define LOUDNESS_CONTROL 0x0a
#define FU_MASK(u) (1 << ((u)-1))
#define MASTER_CHAN 0
#define AS_GENERAL 1
#define FORMAT_TYPE 2
#define FORMAT_SPECIFIC 3
#define UA_FMT_PCM 1
#define UA_FMT_PCM8 2
#define UA_FMT_IEEE_FLOAT 3
#define UA_FMT_ALAW 4
#define UA_FMT_MULAW 5
#define UA_FMT_MPEG 0x1001
#define UA_FMT_AC3 0x1002
#define SAMPLING_FREQ_CONTROL 0x01
#define PITCH_CONTROL 0x02
#define FORMAT_TYPE_UNDEFINED 0
#define FORMAT_TYPE_I 1
#define FORMAT_TYPE_II 2
#define FORMAT_TYPE_III 3
#define UA_PROC_MASK(n) (1<< ((n)-1))
#define PROCESS_UNDEFINED 0
#define XX_ENABLE_CONTROL 1
#define UPDOWNMIX_PROCESS 1
#define UD_ENABLE_CONTROL 1
#define UD_MODE_SELECT_CONTROL 2
#define DOLBY_PROLOGIC_PROCESS 2
#define DP_ENABLE_CONTROL 1
#define DP_MODE_SELECT_CONTROL 2
#define P3D_STEREO_EXTENDER_PROCESS 3
#define P3D_ENABLE_CONTROL 1
#define P3D_SPACIOUSNESS_CONTROL 2
#define REVERBATION_PROCESS 4
#define RV_ENABLE_CONTROL 1
#define RV_LEVEL_CONTROL 2
#define RV_TIME_CONTROL 3
#define RV_FEEDBACK_CONTROL 4
#define CHORUS_PROCESS 5
#define CH_ENABLE_CONTROL 1
#define CH_LEVEL_CONTROL 2
#define CH_RATE_CONTROL 3
#define CH_DEPTH_CONTROL 4
#define DYN_RANGE_COMP_PROCESS 6
#define DR_ENABLE_CONTROL 1
#define DR_COMPRESSION_RATE_CONTROL 2
#define DR_MAXAMPL_CONTROL 3
#define DR_THRESHOLD_CONTROL 4
#define DR_ATTACK_TIME_CONTROL 5
#define DR_RELEASE_TIME_CONTROL 6
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