Merge pull request #4629 from Guozhanxin/uac

【完善】uac class, 去除 GPL 代码

components/drivers/usb/usbdevice/class/audio_mic.c

@@ -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

@@ -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

+/*  $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