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提交 5e1ddb48 编写于 作者: D David Howells
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UAPI: (Scripted) Disintegrate include/linux/usb 

Signed-off-by: NDavid Howells <dhowells@redhat.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Acked-by: NThomas Gleixner <tglx@linutronix.de>
Acked-by: NMichael Kerrisk <mtk.manpages@gmail.com>
Acked-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: NDave Jones <davej@redhat.com>
上级 9e2d8656
展开全部 隐藏空白更改
内联 并排
Showing with 1720 addition and 1658 deletion
include/linux/usb/Kbuild
浏览文件 @ 5e1ddb48
header-y += audio.h
header-y += cdc.h
header-y += ch9.h
header-y += ch11.h
header-y += functionfs.h
header-y += gadgetfs.h
header-y += midi.h
header-y += g_printer.h
header-y += tmc.h
header-y += video.h
include/linux/usb/audio.h
浏览文件 @ 5e1ddb48
......@@ -17,531 +17,11 @@
* Types and defines in this file are either specific to version 1.0 of
* this standard or common for newer versions.
*/
#ifndef __LINUX_USB_AUDIO_H
#define __LINUX_USB_AUDIO_H
#include <linux/types.h>
/* bInterfaceProtocol values to denote the version of the standard used */
#define UAC_VERSION_1 0x00
#define UAC_VERSION_2 0x20
/* 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
/* 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));
#include <uapi/linux/usb/audio.h>
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)
{
return (protocol == UAC_VERSION_1) ?
&desc->baSourceID[desc->bNrInPins + 4] :
&desc->baSourceID[desc->bNrInPins + 6];
}
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];
}
/* 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];
}
/* 4.3.2.6 Processing Unit Descriptors */
struct uac_processing_unit_descriptor {
__u8 bLength;
__u8 bDescriptorType;
__u8 bDescriptorSubtype;
__u8 bUnitID;
__u16 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)
{
return (protocol == UAC_VERSION_1) ?
desc->baSourceID[desc->bNrInPins + 4] :
desc->baSourceID[desc->bNrInPins + 6];
}
static inline __u8 *uac_processing_unit_bmControls(struct uac_processing_unit_descriptor *desc,
int protocol)
{
return (protocol == UAC_VERSION_1) ?
&desc->baSourceID[desc->bNrInPins + 5] :
&desc->baSourceID[desc->bNrInPins + 7];
}
static inline __u8 uac_processing_unit_iProcessing(struct uac_processing_unit_descriptor *desc,
int protocol)
{
__u8 control_size = uac_processing_unit_bControlSize(desc, protocol);
return desc->baSourceID[desc->bNrInPins + control_size];
}
static inline __u8 *uac_processing_unit_specific(struct uac_processing_unit_descriptor *desc,
int protocol)
{
__u8 control_size = uac_processing_unit_bControlSize(desc, protocol);
return &desc->baSourceID[desc->bNrInPins + control_size + 1];
}
/* 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;
__u16 wMaxBitRate;
__u16 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));
#ifdef __KERNEL__
struct usb_audio_control {
struct list_head list;
......@@ -561,6 +41,4 @@ struct usb_audio_control_selector {
struct usb_descriptor_header *desc;
};
#endif /* __KERNEL__ */
#endif /* __LINUX_USB_AUDIO_H */
include/linux/usb/ch9.h
浏览文件 @ 5e1ddb48
此差异已折叠。
include/linux/usb/functionfs.h
浏览文件 @ 5e1ddb48
#ifndef __LINUX_FUNCTIONFS_H__
#define __LINUX_FUNCTIONFS_H__ 1
#include <uapi/linux/usb/functionfs.h>
#include <linux/types.h>
#include <linux/ioctl.h>
#include <linux/usb/ch9.h>
enum {
FUNCTIONFS_DESCRIPTORS_MAGIC = 1,
FUNCTIONFS_STRINGS_MAGIC = 2
};
#ifndef __KERNEL__
/* Descriptor of an non-audio endpoint */
struct usb_endpoint_descriptor_no_audio {
__u8 bLength;
__u8 bDescriptorType;
__u8 bEndpointAddress;
__u8 bmAttributes;
__le16 wMaxPacketSize;
__u8 bInterval;
} __attribute__((packed));
/*
* All numbers must be in little endian order.
*/
struct usb_functionfs_descs_head {
__le32 magic;
__le32 length;
__le32 fs_count;
__le32 hs_count;
} __attribute__((packed));
/*
* Descriptors format:
*
* | off | name | type | description |
* |-----+-----------+--------------+--------------------------------------|
* | 0 | magic | LE32 | FUNCTIONFS_{FS,HS}_DESCRIPTORS_MAGIC |
* | 4 | length | LE32 | length of the whole data chunk |
* | 8 | fs_count | LE32 | number of full-speed descriptors |
* | 12 | hs_count | LE32 | number of high-speed descriptors |
* | 16 | fs_descrs | Descriptor[] | list of full-speed descriptors |
* | | hs_descrs | Descriptor[] | list of high-speed descriptors |
*
* descs are just valid USB descriptors and have the following format:
*
* | off | name | type | description |
* |-----+-----------------+------+--------------------------|
* | 0 | bLength | U8 | length of the descriptor |
* | 1 | bDescriptorType | U8 | descriptor type |
* | 2 | payload | | descriptor's payload |
*/
struct usb_functionfs_strings_head {
__le32 magic;
__le32 length;
__le32 str_count;
__le32 lang_count;
} __attribute__((packed));
/*
* Strings format:
*
* | off | name | type | description |
* |-----+------------+-----------------------+----------------------------|
* | 0 | magic | LE32 | FUNCTIONFS_STRINGS_MAGIC |
* | 4 | length | LE32 | length of the data chunk |
* | 8 | str_count | LE32 | number of strings |
* | 12 | lang_count | LE32 | number of languages |
* | 16 | stringtab | StringTab[lang_count] | table of strings per lang |
*
* For each language there is one stringtab entry (ie. there are lang_count
* stringtab entires). Each StringTab has following format:
*
* | off | name | type | description |
* |-----+---------+-------------------+------------------------------------|
* | 0 | lang | LE16 | language code |
* | 2 | strings | String[str_count] | array of strings in given language |
*
* For each string there is one strings entry (ie. there are str_count
* string entries). Each String is a NUL terminated string encoded in
* UTF-8.
*/
#endif
/*
* Events are delivered on the ep0 file descriptor, when the user mode driver
* reads from this file descriptor after writing the descriptors. Don't
* stop polling this descriptor.
*/
enum usb_functionfs_event_type {
FUNCTIONFS_BIND,
FUNCTIONFS_UNBIND,
FUNCTIONFS_ENABLE,
FUNCTIONFS_DISABLE,
FUNCTIONFS_SETUP,
FUNCTIONFS_SUSPEND,
FUNCTIONFS_RESUME
};
/* NOTE: this structure must stay the same size and layout on
* both 32-bit and 64-bit kernels.
*/
struct usb_functionfs_event {
union {
/* SETUP: packet; DATA phase i/o precedes next event
*(setup.bmRequestType & USB_DIR_IN) flags direction */
struct usb_ctrlrequest setup;
} __attribute__((packed)) u;
/* enum usb_functionfs_event_type */
__u8 type;
__u8 _pad[3];
} __attribute__((packed));
/* Endpoint ioctls */
/* The same as in gadgetfs */
/* IN transfers may be reported to the gadget driver as complete
* when the fifo is loaded, before the host reads the data;
* OUT transfers may be reported to the host's "client" driver as
* complete when they're sitting in the FIFO unread.
* THIS returns how many bytes are "unclaimed" in the endpoint fifo
* (needed for precise fault handling, when the hardware allows it)
*/
#define FUNCTIONFS_FIFO_STATUS _IO('g', 1)
/* discards any unclaimed data in the fifo. */
#define FUNCTIONFS_FIFO_FLUSH _IO('g', 2)
/* resets endpoint halt+toggle; used to implement set_interface.
* some hardware (like pxa2xx) can't support this.
*/
#define FUNCTIONFS_CLEAR_HALT _IO('g', 3)
/* Specific for functionfs */
/*
* Returns reverse mapping of an interface. Called on EP0. If there
* is no such interface returns -EDOM. If function is not active
* returns -ENODEV.
*/
#define FUNCTIONFS_INTERFACE_REVMAP _IO('g', 128)
/*
* Returns real bEndpointAddress of an endpoint. If function is not
* active returns -ENODEV.
*/
#define FUNCTIONFS_ENDPOINT_REVMAP _IO('g', 129)
#ifdef __KERNEL__
struct ffs_data;
struct usb_composite_dev;
......@@ -197,5 +34,3 @@ static void functionfs_release_dev_callback(struct ffs_data *ffs_data)
#endif
#endif
include/uapi/linux/usb/Kbuild
浏览文件 @ 5e1ddb48
# UAPI Header export list
header-y += audio.h
header-y += cdc.h
header-y += ch11.h
header-y += ch9.h
header-y += functionfs.h
header-y += g_printer.h
header-y += gadgetfs.h
header-y += midi.h
header-y += tmc.h
header-y += video.h
include/uapi/linux/usb/audio.h 0 → 100644
浏览文件 @ 5e1ddb48
/*
* <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>
/* bInterfaceProtocol values to denote the version of the standard used */
#define UAC_VERSION_1 0x00
#define UAC_VERSION_2 0x20
/* 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
/* 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)
{
return (protocol == UAC_VERSION_1) ?
&desc->baSourceID[desc->bNrInPins + 4] :
&desc->baSourceID[desc->bNrInPins + 6];
}
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];
}
/* 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];
}
/* 4.3.2.6 Processing Unit Descriptors */
struct uac_processing_unit_descriptor {
__u8 bLength;
__u8 bDescriptorType;
__u8 bDescriptorSubtype;
__u8 bUnitID;
__u16 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)
{
return (protocol == UAC_VERSION_1) ?
desc->baSourceID[desc->bNrInPins + 4] :
desc->baSourceID[desc->bNrInPins + 6];
}
static inline __u8 *uac_processing_unit_bmControls(struct uac_processing_unit_descriptor *desc,
int protocol)
{
return (protocol == UAC_VERSION_1) ?
&desc->baSourceID[desc->bNrInPins + 5] :
&desc->baSourceID[desc->bNrInPins + 7];
}
static inline __u8 uac_processing_unit_iProcessing(struct uac_processing_unit_descriptor *desc,
int protocol)
{
__u8 control_size = uac_processing_unit_bControlSize(desc, protocol);
return desc->baSourceID[desc->bNrInPins + control_size];
}
static inline __u8 *uac_processing_unit_specific(struct uac_processing_unit_descriptor *desc,
int protocol)
{
__u8 control_size = uac_processing_unit_bControlSize(desc, protocol);
return &desc->baSourceID[desc->bNrInPins + control_size + 1];
}
/* 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;
__u16 wMaxBitRate;
__u16 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 */
include/uapi/linux/usb/ch9.h 0 → 100644
浏览文件 @ 5e1ddb48
此差异已折叠。
include/uapi/linux/usb/functionfs.h 0 → 100644
浏览文件 @ 5e1ddb48
#ifndef _UAPI__LINUX_FUNCTIONFS_H__
#define _UAPI__LINUX_FUNCTIONFS_H__
#include <linux/types.h>
#include <linux/ioctl.h>
#include <linux/usb/ch9.h>
enum {
FUNCTIONFS_DESCRIPTORS_MAGIC = 1,
FUNCTIONFS_STRINGS_MAGIC = 2
};
#ifndef __KERNEL__
/* Descriptor of an non-audio endpoint */
struct usb_endpoint_descriptor_no_audio {
__u8 bLength;
__u8 bDescriptorType;
__u8 bEndpointAddress;
__u8 bmAttributes;
__le16 wMaxPacketSize;
__u8 bInterval;
} __attribute__((packed));
/*
* All numbers must be in little endian order.
*/
struct usb_functionfs_descs_head {
__le32 magic;
__le32 length;
__le32 fs_count;
__le32 hs_count;
} __attribute__((packed));
/*
* Descriptors format:
*
* | off | name | type | description |
* |-----+-----------+--------------+--------------------------------------|
* | 0 | magic | LE32 | FUNCTIONFS_{FS,HS}_DESCRIPTORS_MAGIC |
* | 4 | length | LE32 | length of the whole data chunk |
* | 8 | fs_count | LE32 | number of full-speed descriptors |
* | 12 | hs_count | LE32 | number of high-speed descriptors |
* | 16 | fs_descrs | Descriptor[] | list of full-speed descriptors |
* | | hs_descrs | Descriptor[] | list of high-speed descriptors |
*
* descs are just valid USB descriptors and have the following format:
*
* | off | name | type | description |
* |-----+-----------------+------+--------------------------|
* | 0 | bLength | U8 | length of the descriptor |
* | 1 | bDescriptorType | U8 | descriptor type |
* | 2 | payload | | descriptor's payload |
*/
struct usb_functionfs_strings_head {
__le32 magic;
__le32 length;
__le32 str_count;
__le32 lang_count;
} __attribute__((packed));
/*
* Strings format:
*
* | off | name | type | description |
* |-----+------------+-----------------------+----------------------------|
* | 0 | magic | LE32 | FUNCTIONFS_STRINGS_MAGIC |
* | 4 | length | LE32 | length of the data chunk |
* | 8 | str_count | LE32 | number of strings |
* | 12 | lang_count | LE32 | number of languages |
* | 16 | stringtab | StringTab[lang_count] | table of strings per lang |
*
* For each language there is one stringtab entry (ie. there are lang_count
* stringtab entires). Each StringTab has following format:
*
* | off | name | type | description |
* |-----+---------+-------------------+------------------------------------|
* | 0 | lang | LE16 | language code |
* | 2 | strings | String[str_count] | array of strings in given language |
*
* For each string there is one strings entry (ie. there are str_count
* string entries). Each String is a NUL terminated string encoded in
* UTF-8.
*/
#endif
/*
* Events are delivered on the ep0 file descriptor, when the user mode driver
* reads from this file descriptor after writing the descriptors. Don't
* stop polling this descriptor.
*/
enum usb_functionfs_event_type {
FUNCTIONFS_BIND,
FUNCTIONFS_UNBIND,
FUNCTIONFS_ENABLE,
FUNCTIONFS_DISABLE,
FUNCTIONFS_SETUP,
FUNCTIONFS_SUSPEND,
FUNCTIONFS_RESUME
};
/* NOTE: this structure must stay the same size and layout on
* both 32-bit and 64-bit kernels.
*/
struct usb_functionfs_event {
union {
/* SETUP: packet; DATA phase i/o precedes next event
*(setup.bmRequestType & USB_DIR_IN) flags direction */
struct usb_ctrlrequest setup;
} __attribute__((packed)) u;
/* enum usb_functionfs_event_type */
__u8 type;
__u8 _pad[3];
} __attribute__((packed));
/* Endpoint ioctls */
/* The same as in gadgetfs */
/* IN transfers may be reported to the gadget driver as complete
* when the fifo is loaded, before the host reads the data;
* OUT transfers may be reported to the host's "client" driver as
* complete when they're sitting in the FIFO unread.
* THIS returns how many bytes are "unclaimed" in the endpoint fifo
* (needed for precise fault handling, when the hardware allows it)
*/
#define FUNCTIONFS_FIFO_STATUS _IO('g', 1)
/* discards any unclaimed data in the fifo. */
#define FUNCTIONFS_FIFO_FLUSH _IO('g', 2)
/* resets endpoint halt+toggle; used to implement set_interface.
* some hardware (like pxa2xx) can't support this.
*/
#define FUNCTIONFS_CLEAR_HALT _IO('g', 3)
/* Specific for functionfs */
/*
* Returns reverse mapping of an interface. Called on EP0. If there
* is no such interface returns -EDOM. If function is not active
* returns -ENODEV.
*/
#define FUNCTIONFS_INTERFACE_REVMAP _IO('g', 128)
/*
* Returns real bEndpointAddress of an endpoint. If function is not
* active returns -ENODEV.
*/
#define FUNCTIONFS_ENDPOINT_REVMAP _IO('g', 129)
#endif /* _UAPI__LINUX_FUNCTIONFS_H__ */
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