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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2026-present Eclipse ThreadX contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** USBX Component */
/** */
/** Device Audio Class */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* COMPONENT DEFINITION RELEASE */
/* */
/* ux_device_class_audio10.h PORTABLE C */
/* 6.3.0 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file contains all the header and extern functions used by the */
/* USBX audio class version 1.0. */
/* */
/**************************************************************************/
#ifndef UX_DEVICE_CLASS_AUDIO10_H
#define UX_DEVICE_CLASS_AUDIO10_H
/* Determine if a C++ compiler is being used. If so, ensure that standard
C is used to process the API information. */
#ifdef __cplusplus
/* Yes, C++ compiler is present. Use standard C. */
extern "C" {
#endif
/* Internal option: enable the basic USBX error checking. This define is typically used
while debugging application. */
#if defined(UX_ENABLE_ERROR_CHECKING) && !defined(UX_DEVICE_CLASS_AUDIO_ENABLE_ERROR_CHECKING)
#define UX_DEVICE_CLASS_AUDIO_ENABLE_ERROR_CHECKING
#endif
/* Define Audio Class specific AC interface descriptor subclasses. */
#define UX_DEVICE_CLASS_AUDIO10_AC_UNDEFINED 0x00
#define UX_DEVICE_CLASS_AUDIO10_AC_HEADER 0x01
#define UX_DEVICE_CLASS_AUDIO10_AC_INPUT_TERMINAL 0x02
#define UX_DEVICE_CLASS_AUDIO10_AC_OUTPUT_TERMINAL 0x03
#define UX_DEVICE_CLASS_AUDIO10_AC_MIXER_UNIT 0x04
#define UX_DEVICE_CLASS_AUDIO10_AC_SELECTOR_UNIT 0x05
#define UX_DEVICE_CLASS_AUDIO10_AC_FEATURE_UNIT 0x06
#define UX_DEVICE_CLASS_AUDIO10_AC_PROCESSING_UNIT 0x07
#define UX_DEVICE_CLASS_AUDIO10_AC_EXTENSION_UNIT 0x08
/* Define Audio Class specific AS interface descriptor subclasses. */
#define UX_DEVICE_CLASS_AUDIO10_AS_UNDEFINED 0x00
#define UX_DEVICE_CLASS_AUDIO10_AS_GENERAL 0x01
#define UX_DEVICE_CLASS_AUDIO10_AS_FORMAT_TYPE 0x02
#define UX_DEVICE_CLASS_AUDIO10_AS_FORMAT_SPECIFIC 0x03
/* Define Audio Class specific endpoint descriptor subtypes. */
#define UX_DEVICE_CLASS_AUDIO10_EP_UNDEFINED 0x00
#define UX_DEVICE_CLASS_AUDIO10_EP_GENERAL 0x01
/* Define Audio Class specific request codes. */
#define UX_DEVICE_CLASS_AUDIO10_REQUEST_CODE_UNDEFINED 0x00
#define UX_DEVICE_CLASS_AUDIO10_SET_CUR 0x01
#define UX_DEVICE_CLASS_AUDIO10_GET_CUR 0x81
#define UX_DEVICE_CLASS_AUDIO10_SET_MIN 0x02
#define UX_DEVICE_CLASS_AUDIO10_GET_MIN 0x82
#define UX_DEVICE_CLASS_AUDIO10_SET_MAX 0x03
#define UX_DEVICE_CLASS_AUDIO10_GET_MAX 0x83
#define UX_DEVICE_CLASS_AUDIO10_SET_RES 0x04
#define UX_DEVICE_CLASS_AUDIO10_GET_RES 0x84
#define UX_DEVICE_CLASS_AUDIO10_SET_MEM 0x05
#define UX_DEVICE_CLASS_AUDIO10_GET_MEM 0x85
#define UX_DEVICE_CLASS_AUDIO10_GET_STAT 0xFF
/* Define Audio Class specific terminal control selectors. */
#define UX_DEVICE_CLASS_AUDIO10_TE_CONTROL_UNDEFINED 0x00
#define UX_DEVICE_CLASS_AUDIO10_TE_COPY_PROTECT_CONTROL 0x01
/* Define Audio Class specific feature unit control selectors. */
#define UX_DEVICE_CLASS_AUDIO10_FU_CONTROL_UNDEFINED 0x00
#define UX_DEVICE_CLASS_AUDIO10_FU_MUTE_CONTROL 0x01
#define UX_DEVICE_CLASS_AUDIO10_FU_VOLUME_CONTROL 0x02
#define UX_DEVICE_CLASS_AUDIO10_FU_BASS_CONTROL 0x03
#define UX_DEVICE_CLASS_AUDIO10_FU_MID_CONTROL 0x04
#define UX_DEVICE_CLASS_AUDIO10_FU_TREBLE_CONTROL 0x05
#define UX_DEVICE_CLASS_AUDIO10_FU_GRAPHIC_EQUALIZER_CONTROL 0x06
#define UX_DEVICE_CLASS_AUDIO10_FU_AUTOMATIC_GAIN_CONTROL 0x07
#define UX_DEVICE_CLASS_AUDIO10_FU_DELAY_CONTROL 0x08
#define UX_DEVICE_CLASS_AUDIO10_FU_BASS_BOOST_CONTROL 0x09
#define UX_DEVICE_CLASS_AUDIO10_FU_LOUNDNESS_CONTROL 0x0A
/* Define Audio Class specific endpoint control selectors. */
#define UX_DEVICE_CLASS_AUDIO10_EP_CONTROL_UNDEFINED 0x00
#define UX_DEVICE_CLASS_AUDIO10_EP_SAMPLING_FREQ_CONTROL 0x01
#define UX_DEVICE_CLASS_AUDIO10_EP_PITCH_CONTROL 0x02
/* Define Audio Class encoding format types. */
#define UX_DEVICE_CLASS_AUDIO10_FORMAT_PCM 1
#define UX_DEVICE_CLASS_AUDIO10_FORMAT_PCM8 2
#define UX_DEVICE_CLASS_AUDIO10_FORMAT_IEEE_FLOAT 3
#define UX_DEVICE_CLASS_AUDIO10_FORMAT_ALAW 4
#define UX_DEVICE_CLASS_AUDIO10_FORMAT_MULAW 5
/* Audio Class Control interface structures. */
typedef struct UX_DEVICE_CLASS_AUDIO10_AC_HEADER1_DESCRIPTOR_STRUCT
{
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bDescriptorSubtype;
UCHAR _align_bcdADC[1];
USHORT bcdADC;
USHORT wTotalLength;
UCHAR bInCollection;
UCHAR baInterfaceNr1;
UCHAR _align_size[2];
} UX_DEVICE_CLASS_AUDIO10_AC_HEADER1_DESCRIPTOR;
typedef struct UX_DEVICE_CLASS_AUDIO10_AC_HEADER2_DESCRIPTOR_STRUCT
{
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bDescriptorSubtype;
UCHAR _align_bcdADC[1];
USHORT bcdADC;
USHORT wTotalLength;
UCHAR bInCollection;
UCHAR baInterfaceNr1;
UCHAR baInterfaceNr2;
UCHAR _align_size[1];
} UX_DEVICE_CLASS_AUDIO10_AC_HEADER2_DESCRIPTOR;
typedef struct UX_DEVICE_CLASS_AUDIO10_AC_HEADER3_DESCRIPTOR_STRUCT
{
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bDescriptorSubtype;
UCHAR _align_bcdADC[1];
USHORT bcdADC;
USHORT wTotalLength;
UCHAR bInCollection;
UCHAR baInterfaceNr1;
UCHAR baInterfaceNr2;
UCHAR baInterfaceNr3;
UCHAR _align_size[2];
} UX_DEVICE_CLASS_AUDIO10_AC_HEADER3_DESCRIPTOR;
typedef struct UX_DEVICE_CLASS_AUDIO10_AC_HEADER6_DESCRIPTOR_STRUCT
{
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bDescriptorSubtype;
UCHAR _align_bcdADC[1];
USHORT bcdADC;
USHORT wTotalLength;
UCHAR bInCollection;
UCHAR baInterfaceNr1;
UCHAR baInterfaceNr2;
UCHAR baInterfaceNr3;
UCHAR baInterfaceNr4;
UCHAR baInterfaceNr5;
UCHAR baInterfaceNr6;
UCHAR _align_size[1];
} UX_DEVICE_CLASS_AUDIO10_AC_HEADER6_DESCRIPTOR;
typedef struct UX_DEVICE_CLASS_AUDIO10_AC_HEADER7_DESCRIPTOR_STRUCT
{
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bDescriptorSubtype;
UCHAR _align_bcdADC[1];
USHORT bcdADC;
USHORT wTotalLength;
UCHAR bInCollection;
UCHAR baInterfaceNr1;
UCHAR baInterfaceNr2;
UCHAR baInterfaceNr3;
UCHAR baInterfaceNr4;
UCHAR baInterfaceNr5;
UCHAR baInterfaceNr6;
UCHAR baInterfaceNr7;
} UX_DEVICE_CLASS_AUDIO10_AC_HEADER7_DESCRIPTOR;
typedef struct UX_DEVICE_CLASS_AUDIO10_AC_HEADER8_DESCRIPTOR_STRUCT
{
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bDescriptorSubtype;
UCHAR _align_bcdADC[1];
USHORT bcdADC;
USHORT wTotalLength;
UCHAR bInCollection;
UCHAR baInterfaceNr1;
UCHAR baInterfaceNr2;
UCHAR baInterfaceNr3;
UCHAR baInterfaceNr4;
UCHAR baInterfaceNr5;
UCHAR baInterfaceNr6;
UCHAR baInterfaceNr7;
UCHAR baInterfaceNr8;
UCHAR _align_size[3];
} UX_DEVICE_CLASS_AUDIO10_AC_HEADER8_DESCRIPTOR;
/* Define Audio Class specific input terminal interface descriptor. */
typedef struct UX_DEVICE_CLASS_AUDIO10_AC_INPUT_TERMINAL_DESCRIPTOR_STRUCT
{
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bDescriptorSubType;
UCHAR bTerminalID;
USHORT wTerminalType;
UCHAR bAssocTerminal;
UCHAR bNrChannels;
USHORT wChannelConfig;
UCHAR iChannelNames;
UCHAR iTerminal;
} UX_DEVICE_CLASS_AUDIO10_AC_INPUT_TERMINAL_DESCRIPTOR;
/* Define Audio Class specific output terminal interface descriptor. */
typedef struct UX_DEVICE_CLASS_AUDIO10_AC_OUTPUT_TERMINAL_DESCRIPTOR_STRUCT
{
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bDescriptorSubType;
UCHAR bTerminalID;
USHORT wTerminalType;
UCHAR bAssocTerminal;
UCHAR bSourceID;
UCHAR iTerminal;
UCHAR _align_size[3];
} UX_DEVICE_CLASS_AUDIO10_AC_OUTPUT_TERMINAL_DESCRIPTOR;
/* Define Audio Class specific feature unit descriptor. */
typedef struct UX_DEVICE_CLASS_AUDIO10_AC_FEATURE_UNIT_DESCRIPTOR_STRUCT
{
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bDescriptorSubType;
UCHAR bUnitID;
UCHAR bSourceID;
UCHAR bControlSize;
UCHAR _align_bmaControls[2];
ULONG bmaControls;
} UX_DEVICE_CLASS_AUDIO10_AC_FEATURE_UNIT_DESCRIPTOR;
/* Define Audio Class streaming interface descriptor. */
typedef struct UX_DEVICE_CLASS_AUDIO10_AS_INTERFACE_DESCRIPTOR_STRUCT
{
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bDescriptorSubtype;
UCHAR bTerminalLink;
UCHAR bDelay;
UCHAR _align_wFormatTag[1];
USHORT wFormatTag;
} UX_DEVICE_CLASS_AUDIO10_AS_INTERFACE_DESCRIPTOR;
/* Define Audio Class type I format type descriptor. */
typedef struct UX_DEVICE_CLASS_AUDIO10_AS_TYPE_I_FORMAT_TYPE_DESCRIPTOR_STRUCT
{
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bDescriptorSubtype;
UCHAR bFormatType;
UCHAR bNrChannels;
UCHAR bSubframeSize;
UCHAR bBitResolution;
UCHAR bSamFreqType;
ULONG SamplingFrequency;
} UX_DEVICE_CLASS_AUDIO10_AS_TYPE_I_FORMAT_TYPE_DESCRIPTOR;
#define UX_DEVICE_CLASS_AUDIO_AS_TYPE_I_FORMAT_TYPE_DESCRIPTOR_FORMAT_TYPE 3
#define UX_DEVICE_CLASS_AUDIO_AS_TYPE_I_FORMAT_TYPE_DESCRIPTOR_NR_CHANNELS 4
#define UX_DEVICE_CLASS_AUDIO_AS_TYPE_I_FORMAT_TYPE_DESCRIPTOR_SUBFRAME_SIZE 5
#define UX_DEVICE_CLASS_AUDIO_AS_TYPE_I_FORMAT_TYPE_DESCRIPTOR_BIT_RESOLUTION 6
#define UX_DEVICE_CLASS_AUDIO_AS_TYPE_I_FORMAT_TYPE_DESCRIPTOR_SAM_FREQ_TYPE 7
#define UX_DEVICE_CLASS_AUDIO_AS_TYPE_I_FORMAT_TYPE_DESCRIPTOR_SAM_FREQ_TABLE 8
/* Define Audio Class specific streaming endpoint descriptor. */
typedef struct UX_DEVICE_CLASS_AUDIO10_AS_ENDPOINT_DESCRIPTOR_STRUCT
{
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bDescriptorSubtype;
UCHAR bmAttributes;
USHORT wMaxPacketSize;
UCHAR bInterval;
UCHAR bRefresh;
UCHAR bSynchAddress;
UCHAR _align_size[3];
} UX_DEVICE_CLASS_AUDIO10_AS_ENDPOINT_DESCRIPTOR;
typedef struct UX_DEVICE_CLASS_AUDIO10_AS_DATA_ENDPOINT_DESCRIPTOR_STRUCT
{
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bDescriptorSubtype;
UCHAR bmAttributes;
UCHAR bLockDelayUnits;
UCHAR _align_wLockDelay[1];
USHORT wLockDelay;
} UX_DEVICE_CLASS_AUDIO10_AS_DATA_ENDPOINT_DESCRIPTOR;
typedef struct UX_DEVICE_CLASS_AUDIO10_CONTROL_STRUCT
{
ULONG ux_device_class_audio10_control_changed;
ULONG ux_device_class_audio10_control_ep_addr; /* Endpoint address for sampling frequencies control. */
UCHAR *ux_device_class_audio10_control_sam_freq_types;/* Format Type I Descriptor - bSamFreqType and followings. */
ULONG ux_device_class_audio10_control_sam_freq; /* Current sampling frequency. */
ULONG ux_device_class_audio10_control_fu_id;
USHORT ux_device_class_audio10_control_mute[1];
SHORT ux_device_class_audio10_control_volume_min[1];
SHORT ux_device_class_audio10_control_volume_max[1];
USHORT ux_device_class_audio10_control_volume_res[1];
SHORT ux_device_class_audio10_control_volume[1];
} UX_DEVICE_CLASS_AUDIO10_CONTROL;
#define UX_DEVICE_CLASS_AUDIO10_CONTROL_MUTE_CHANGED 1u
#define UX_DEVICE_CLASS_AUDIO10_CONTROL_VOLUME_CHANGED 2u
#define UX_DEVICE_CLASS_AUDIO10_CONTROL_FREQUENCY_CHANGED 4u
typedef struct UX_DEVICE_CLASS_AUDIO10_CONTROL_GROUP_STRUCT
{
ULONG ux_device_class_audio10_control_group_controls_nb;
UX_DEVICE_CLASS_AUDIO10_CONTROL *ux_device_class_audio10_control_group_controls;
} UX_DEVICE_CLASS_AUDIO10_CONTROL_GROUP;
UINT _ux_device_class_audio10_control_process(UX_DEVICE_CLASS_AUDIO *audio,
UX_SLAVE_TRANSFER *transfer_request,
UX_DEVICE_CLASS_AUDIO10_CONTROL_GROUP *group);
UINT _uxe_device_class_audio10_control_process(UX_DEVICE_CLASS_AUDIO *audio,
UX_SLAVE_TRANSFER *transfer_request,
UX_DEVICE_CLASS_AUDIO10_CONTROL_GROUP *group);
#if defined(UX_DEVICE_CLASS_AUDIO_ENABLE_ERROR_CHECKING)
#define ux_device_class_audio10_control_process _uxe_device_class_audio10_control_process
#else
#define ux_device_class_audio10_control_process _ux_device_class_audio10_control_process
#endif
/* Determine if a C++ compiler is being used. If so, complete the standard
C conditional started above. */
#ifdef __cplusplus
}
#endif
#endif /* ifndef UX_DEVICE_CLASS_AUDIO10_H */
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