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/* $OpenBSD: uaudioreg.h,v 1.1 1999/11/11 15:54:59 ho Exp $ */
/* $NetBSD: uaudioreg.h,v 1.2 1999/10/13 20:13:29 augustss Exp $ */
/*
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Author: Lennart Augustsson <augustss@carlstedt.se>
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*/
#define UAUDIO_VERSION 0x100
#define UDESC_CS_DEVICE 0x21
#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
/* 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;
} usb_endpoint_descriptor_audio_t;
struct usb_audio_control_descriptor {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uWord bcdADC;
uWord wTotalLength;
uByte bInCollection;
uByte baInterfaceNr[1];
};
struct usb_audio_streaming_interface_descriptor {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bTerminalLink;
uByte bDelay;
uWord wFormatTag;
};
struct usb_audio_streaming_endpoint_descriptor {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bmAttributes;
uByte bLockDelayUnits;
uWord wLockDelay;
};
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*2]; /* room for low and high */
#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)
};
struct usb_audio_cluster {
uByte bNrChannels;
uWord wChannelConfig;
uByte iChannelNames;
};
/* 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;
};
/* UDESCSUB_AC_OUTPUT */
struct usb_audio_output_terminal {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bTerminalId;
uWord wTerminalType;
uByte bAssocTerminal;
uByte bSourceId;
uByte iTerminal;
};
/* UDESCSUB_AC_MIXER */
struct usb_audio_mixer_unit {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bUnitId;
uByte bNrInPins;
uByte baSourceId[255]; /* length is really bNrInPins */
/* struct usb_audio_mixer_unit_1 */
};
struct usb_audio_mixer_unit_1 {
uByte bNrChannels;
uWord wChannelConfig;
uByte iChannelNames;
uByte bmControls[255];
/*uByte iMixer;*/
};
/* UDESCSUB_AC_SELECTOR */
struct usb_audio_selector_unit {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bUnitId;
uByte bNrInPins;
uByte baSourceId[255];
/* uByte iSelector; */
};
/* UDESCSUB_AC_FEATURE */
struct usb_audio_feature_unit {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bUnitId;
uByte bSourceId;
uByte bControlSize;
uByte bmaControls[255]; /* size for more than enough */
/* uByte iFeature; */
};
/* UDESCSUB_AC_PROCESSING */
struct usb_audio_processing_unit {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bUnitId;
uWord wProcessType;
uByte bNrInPins;
uByte baSourceId[255];
/* struct usb_audio_processing_unit_1 */
};
struct usb_audio_processing_unit_1{
uByte bNrChannels;
uWord wChannelConfig;
uByte iChannelNames;
uByte bControlSize;
uByte bmControls[255];
/*uByte iProcessing;*/
};
/* UDESCSUB_AC_EXTENSION */
struct usb_audio_extension_unit {
uByte bLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bUnitId;
uWord wExtensionCode;
uByte bNrInPins;
uByte baSourceId[255];
/* struct usb_audio_extension_unit_1 */
};
struct usb_audio_extension_unit_1 {
uByte bNrChannels;
uWord wChannelConfig;
uByte iChannelNames;
uByte bControlSize;
uByte bmControls[255];
#define UA_EXT_ENABLE 0
/*uByte iExtension;*/
};
#define UAT_STREAM 0x0101
#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 SAMPLING_FREQ_CONTROL 0x01
#define FORMAT_TYPE_UNDEFINED 0
#define FORMAT_TYPE_I 1
#define FORMAT_TYPE_II 2
#define FORMAT_TYPE_III 3
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