diff options
Diffstat (limited to 'include/uapi/linux/usb')
| -rw-r--r-- | include/uapi/linux/usb/Kbuild | 10 | ||||
| -rw-r--r-- | include/uapi/linux/usb/audio.h | 545 | ||||
| -rw-r--r-- | include/uapi/linux/usb/cdc.h | 412 | ||||
| -rw-r--r-- | include/uapi/linux/usb/ch11.h | 266 | ||||
| -rw-r--r-- | include/uapi/linux/usb/ch9.h | 993 | ||||
| -rw-r--r-- | include/uapi/linux/usb/functionfs.h | 169 | ||||
| -rw-r--r-- | include/uapi/linux/usb/g_printer.h | 35 | ||||
| -rw-r--r-- | include/uapi/linux/usb/gadgetfs.h | 88 | ||||
| -rw-r--r-- | include/uapi/linux/usb/midi.h | 112 | ||||
| -rw-r--r-- | include/uapi/linux/usb/tmc.h | 43 | ||||
| -rw-r--r-- | include/uapi/linux/usb/video.h | 568 |
11 files changed, 3241 insertions, 0 deletions
diff --git a/include/uapi/linux/usb/Kbuild b/include/uapi/linux/usb/Kbuild index aafaa5aa54d4..6cb4ea826834 100644 --- a/include/uapi/linux/usb/Kbuild +++ b/include/uapi/linux/usb/Kbuild @@ -1 +1,11 @@ # 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 diff --git a/include/uapi/linux/usb/audio.h b/include/uapi/linux/usb/audio.h new file mode 100644 index 000000000000..ac90037894d9 --- /dev/null +++ b/include/uapi/linux/usb/audio.h @@ -0,0 +1,545 @@ +/* + * <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 */ diff --git a/include/uapi/linux/usb/cdc.h b/include/uapi/linux/usb/cdc.h new file mode 100644 index 000000000000..81a927930bfd --- /dev/null +++ b/include/uapi/linux/usb/cdc.h @@ -0,0 +1,412 @@ +/* + * USB Communications Device Class (CDC) definitions + * + * CDC says how to talk to lots of different types of network adapters, + * notably ethernet adapters and various modems. It's used mostly with + * firmware based USB peripherals. + */ + +#ifndef __LINUX_USB_CDC_H +#define __LINUX_USB_CDC_H + +#include <linux/types.h> + +#define USB_CDC_SUBCLASS_ACM 0x02 +#define USB_CDC_SUBCLASS_ETHERNET 0x06 +#define USB_CDC_SUBCLASS_WHCM 0x08 +#define USB_CDC_SUBCLASS_DMM 0x09 +#define USB_CDC_SUBCLASS_MDLM 0x0a +#define USB_CDC_SUBCLASS_OBEX 0x0b +#define USB_CDC_SUBCLASS_EEM 0x0c +#define USB_CDC_SUBCLASS_NCM 0x0d + +#define USB_CDC_PROTO_NONE 0 + +#define USB_CDC_ACM_PROTO_AT_V25TER 1 +#define USB_CDC_ACM_PROTO_AT_PCCA101 2 +#define USB_CDC_ACM_PROTO_AT_PCCA101_WAKE 3 +#define USB_CDC_ACM_PROTO_AT_GSM 4 +#define USB_CDC_ACM_PROTO_AT_3G 5 +#define USB_CDC_ACM_PROTO_AT_CDMA 6 +#define USB_CDC_ACM_PROTO_VENDOR 0xff + +#define USB_CDC_PROTO_EEM 7 + +#define USB_CDC_NCM_PROTO_NTB 1 + +/*-------------------------------------------------------------------------*/ + +/* + * Class-Specific descriptors ... there are a couple dozen of them + */ + +#define USB_CDC_HEADER_TYPE 0x00 /* header_desc */ +#define USB_CDC_CALL_MANAGEMENT_TYPE 0x01 /* call_mgmt_descriptor */ +#define USB_CDC_ACM_TYPE 0x02 /* acm_descriptor */ +#define USB_CDC_UNION_TYPE 0x06 /* union_desc */ +#define USB_CDC_COUNTRY_TYPE 0x07 +#define USB_CDC_NETWORK_TERMINAL_TYPE 0x0a /* network_terminal_desc */ +#define USB_CDC_ETHERNET_TYPE 0x0f /* ether_desc */ +#define USB_CDC_WHCM_TYPE 0x11 +#define USB_CDC_MDLM_TYPE 0x12 /* mdlm_desc */ +#define USB_CDC_MDLM_DETAIL_TYPE 0x13 /* mdlm_detail_desc */ +#define USB_CDC_DMM_TYPE 0x14 +#define USB_CDC_OBEX_TYPE 0x15 +#define USB_CDC_NCM_TYPE 0x1a + +/* "Header Functional Descriptor" from CDC spec 5.2.3.1 */ +struct usb_cdc_header_desc { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + + __le16 bcdCDC; +} __attribute__ ((packed)); + +/* "Call Management Descriptor" from CDC spec 5.2.3.2 */ +struct usb_cdc_call_mgmt_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + + __u8 bmCapabilities; +#define USB_CDC_CALL_MGMT_CAP_CALL_MGMT 0x01 +#define USB_CDC_CALL_MGMT_CAP_DATA_INTF 0x02 + + __u8 bDataInterface; +} __attribute__ ((packed)); + +/* "Abstract Control Management Descriptor" from CDC spec 5.2.3.3 */ +struct usb_cdc_acm_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + + __u8 bmCapabilities; +} __attribute__ ((packed)); + +/* capabilities from 5.2.3.3 */ + +#define USB_CDC_COMM_FEATURE 0x01 +#define USB_CDC_CAP_LINE 0x02 +#define USB_CDC_CAP_BRK 0x04 +#define USB_CDC_CAP_NOTIFY 0x08 + +/* "Union Functional Descriptor" from CDC spec 5.2.3.8 */ +struct usb_cdc_union_desc { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + + __u8 bMasterInterface0; + __u8 bSlaveInterface0; + /* ... and there could be other slave interfaces */ +} __attribute__ ((packed)); + +/* "Country Selection Functional Descriptor" from CDC spec 5.2.3.9 */ +struct usb_cdc_country_functional_desc { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + + __u8 iCountryCodeRelDate; + __le16 wCountyCode0; + /* ... and there can be a lot of country codes */ +} __attribute__ ((packed)); + +/* "Network Channel Terminal Functional Descriptor" from CDC spec 5.2.3.11 */ +struct usb_cdc_network_terminal_desc { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + + __u8 bEntityId; + __u8 iName; + __u8 bChannelIndex; + __u8 bPhysicalInterface; +} __attribute__ ((packed)); + +/* "Ethernet Networking Functional Descriptor" from CDC spec 5.2.3.16 */ +struct usb_cdc_ether_desc { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + + __u8 iMACAddress; + __le32 bmEthernetStatistics; + __le16 wMaxSegmentSize; + __le16 wNumberMCFilters; + __u8 bNumberPowerFilters; +} __attribute__ ((packed)); + +/* "Telephone Control Model Functional Descriptor" from CDC WMC spec 6.3..3 */ +struct usb_cdc_dmm_desc { + __u8 bFunctionLength; + __u8 bDescriptorType; + __u8 bDescriptorSubtype; + __u16 bcdVersion; + __le16 wMaxCommand; +} __attribute__ ((packed)); + +/* "MDLM Functional Descriptor" from CDC WMC spec 6.7.2.3 */ +struct usb_cdc_mdlm_desc { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + + __le16 bcdVersion; + __u8 bGUID[16]; +} __attribute__ ((packed)); + +/* "MDLM Detail Functional Descriptor" from CDC WMC spec 6.7.2.4 */ +struct usb_cdc_mdlm_detail_desc { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + + /* type is associated with mdlm_desc.bGUID */ + __u8 bGuidDescriptorType; + __u8 bDetailData[0]; +} __attribute__ ((packed)); + +/* "OBEX Control Model Functional Descriptor" */ +struct usb_cdc_obex_desc { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + + __le16 bcdVersion; +} __attribute__ ((packed)); + +/* "NCM Control Model Functional Descriptor" */ +struct usb_cdc_ncm_desc { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + + __le16 bcdNcmVersion; + __u8 bmNetworkCapabilities; +} __attribute__ ((packed)); +/*-------------------------------------------------------------------------*/ + +/* + * Class-Specific Control Requests (6.2) + * + * section 3.6.2.1 table 4 has the ACM profile, for modems. + * section 3.8.2 table 10 has the ethernet profile. + * + * Microsoft's RNDIS stack for Ethernet is a vendor-specific CDC ACM variant, + * heavily dependent on the encapsulated (proprietary) command mechanism. + */ + +#define USB_CDC_SEND_ENCAPSULATED_COMMAND 0x00 +#define USB_CDC_GET_ENCAPSULATED_RESPONSE 0x01 +#define USB_CDC_REQ_SET_LINE_CODING 0x20 +#define USB_CDC_REQ_GET_LINE_CODING 0x21 +#define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22 +#define USB_CDC_REQ_SEND_BREAK 0x23 +#define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS 0x40 +#define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER 0x41 +#define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER 0x42 +#define USB_CDC_SET_ETHERNET_PACKET_FILTER 0x43 +#define USB_CDC_GET_ETHERNET_STATISTIC 0x44 +#define USB_CDC_GET_NTB_PARAMETERS 0x80 +#define USB_CDC_GET_NET_ADDRESS 0x81 +#define USB_CDC_SET_NET_ADDRESS 0x82 +#define USB_CDC_GET_NTB_FORMAT 0x83 +#define USB_CDC_SET_NTB_FORMAT 0x84 +#define USB_CDC_GET_NTB_INPUT_SIZE 0x85 +#define USB_CDC_SET_NTB_INPUT_SIZE 0x86 +#define USB_CDC_GET_MAX_DATAGRAM_SIZE 0x87 +#define USB_CDC_SET_MAX_DATAGRAM_SIZE 0x88 +#define USB_CDC_GET_CRC_MODE 0x89 +#define USB_CDC_SET_CRC_MODE 0x8a + +/* Line Coding Structure from CDC spec 6.2.13 */ +struct usb_cdc_line_coding { + __le32 dwDTERate; + __u8 bCharFormat; +#define USB_CDC_1_STOP_BITS 0 +#define USB_CDC_1_5_STOP_BITS 1 +#define USB_CDC_2_STOP_BITS 2 + + __u8 bParityType; +#define USB_CDC_NO_PARITY 0 +#define USB_CDC_ODD_PARITY 1 +#define USB_CDC_EVEN_PARITY 2 +#define USB_CDC_MARK_PARITY 3 +#define USB_CDC_SPACE_PARITY 4 + + __u8 bDataBits; +} __attribute__ ((packed)); + +/* table 62; bits in multicast filter */ +#define USB_CDC_PACKET_TYPE_PROMISCUOUS (1 << 0) +#define USB_CDC_PACKET_TYPE_ALL_MULTICAST (1 << 1) /* no filter */ +#define USB_CDC_PACKET_TYPE_DIRECTED (1 << 2) +#define USB_CDC_PACKET_TYPE_BROADCAST (1 << 3) +#define USB_CDC_PACKET_TYPE_MULTICAST (1 << 4) /* filtered */ + + +/*-------------------------------------------------------------------------*/ + +/* + * Class-Specific Notifications (6.3) sent by interrupt transfers + * + * section 3.8.2 table 11 of the CDC spec lists Ethernet notifications + * section 3.6.2.1 table 5 specifies ACM notifications, accepted by RNDIS + * RNDIS also defines its own bit-incompatible notifications + */ + +#define USB_CDC_NOTIFY_NETWORK_CONNECTION 0x00 +#define USB_CDC_NOTIFY_RESPONSE_AVAILABLE 0x01 +#define USB_CDC_NOTIFY_SERIAL_STATE 0x20 +#define USB_CDC_NOTIFY_SPEED_CHANGE 0x2a + +struct usb_cdc_notification { + __u8 bmRequestType; + __u8 bNotificationType; + __le16 wValue; + __le16 wIndex; + __le16 wLength; +} __attribute__ ((packed)); + +struct usb_cdc_speed_change { + __le32 DLBitRRate; /* contains the downlink bit rate (IN pipe) */ + __le32 ULBitRate; /* contains the uplink bit rate (OUT pipe) */ +} __attribute__ ((packed)); + +/*-------------------------------------------------------------------------*/ + +/* + * Class Specific structures and constants + * + * CDC NCM NTB parameters structure, CDC NCM subclass 6.2.1 + * + */ + +struct usb_cdc_ncm_ntb_parameters { + __le16 wLength; + __le16 bmNtbFormatsSupported; + __le32 dwNtbInMaxSize; + __le16 wNdpInDivisor; + __le16 wNdpInPayloadRemainder; + __le16 wNdpInAlignment; + __le16 wPadding1; + __le32 dwNtbOutMaxSize; + __le16 wNdpOutDivisor; + __le16 wNdpOutPayloadRemainder; + __le16 wNdpOutAlignment; + __le16 wNtbOutMaxDatagrams; +} __attribute__ ((packed)); + +/* + * CDC NCM transfer headers, CDC NCM subclass 3.2 + */ + +#define USB_CDC_NCM_NTH16_SIGN 0x484D434E /* NCMH */ +#define USB_CDC_NCM_NTH32_SIGN 0x686D636E /* ncmh */ + +struct usb_cdc_ncm_nth16 { + __le32 dwSignature; + __le16 wHeaderLength; + __le16 wSequence; + __le16 wBlockLength; + __le16 wNdpIndex; +} __attribute__ ((packed)); + +struct usb_cdc_ncm_nth32 { + __le32 dwSignature; + __le16 wHeaderLength; + __le16 wSequence; + __le32 dwBlockLength; + __le32 dwNdpIndex; +} __attribute__ ((packed)); + +/* + * CDC NCM datagram pointers, CDC NCM subclass 3.3 + */ + +#define USB_CDC_NCM_NDP16_CRC_SIGN 0x314D434E /* NCM1 */ +#define USB_CDC_NCM_NDP16_NOCRC_SIGN 0x304D434E /* NCM0 */ +#define USB_CDC_NCM_NDP32_CRC_SIGN 0x316D636E /* ncm1 */ +#define USB_CDC_NCM_NDP32_NOCRC_SIGN 0x306D636E /* ncm0 */ + +/* 16-bit NCM Datagram Pointer Entry */ +struct usb_cdc_ncm_dpe16 { + __le16 wDatagramIndex; + __le16 wDatagramLength; +} __attribute__((__packed__)); + +/* 16-bit NCM Datagram Pointer Table */ +struct usb_cdc_ncm_ndp16 { + __le32 dwSignature; + __le16 wLength; + __le16 wNextNdpIndex; + struct usb_cdc_ncm_dpe16 dpe16[0]; +} __attribute__ ((packed)); + +/* 32-bit NCM Datagram Pointer Entry */ +struct usb_cdc_ncm_dpe32 { + __le32 dwDatagramIndex; + __le32 dwDatagramLength; +} __attribute__((__packed__)); + +/* 32-bit NCM Datagram Pointer Table */ +struct usb_cdc_ncm_ndp32 { + __le32 dwSignature; + __le16 wLength; + __le16 wReserved6; + __le32 dwNextNdpIndex; + __le32 dwReserved12; + struct usb_cdc_ncm_dpe32 dpe32[0]; +} __attribute__ ((packed)); + +/* CDC NCM subclass 3.2.1 and 3.2.2 */ +#define USB_CDC_NCM_NDP16_INDEX_MIN 0x000C +#define USB_CDC_NCM_NDP32_INDEX_MIN 0x0010 + +/* CDC NCM subclass 3.3.3 Datagram Formatting */ +#define USB_CDC_NCM_DATAGRAM_FORMAT_CRC 0x30 +#define USB_CDC_NCM_DATAGRAM_FORMAT_NOCRC 0X31 + +/* CDC NCM subclass 4.2 NCM Communications Interface Protocol Code */ +#define USB_CDC_NCM_PROTO_CODE_NO_ENCAP_COMMANDS 0x00 +#define USB_CDC_NCM_PROTO_CODE_EXTERN_PROTO 0xFE + +/* CDC NCM subclass 5.2.1 NCM Functional Descriptor, bmNetworkCapabilities */ +#define USB_CDC_NCM_NCAP_ETH_FILTER (1 << 0) +#define USB_CDC_NCM_NCAP_NET_ADDRESS (1 << 1) +#define USB_CDC_NCM_NCAP_ENCAP_COMMAND (1 << 2) +#define USB_CDC_NCM_NCAP_MAX_DATAGRAM_SIZE (1 << 3) +#define USB_CDC_NCM_NCAP_CRC_MODE (1 << 4) +#define USB_CDC_NCM_NCAP_NTB_INPUT_SIZE (1 << 5) + +/* CDC NCM subclass Table 6-3: NTB Parameter Structure */ +#define USB_CDC_NCM_NTB16_SUPPORTED (1 << 0) +#define USB_CDC_NCM_NTB32_SUPPORTED (1 << 1) + +/* CDC NCM subclass Table 6-3: NTB Parameter Structure */ +#define USB_CDC_NCM_NDP_ALIGN_MIN_SIZE 0x04 +#define USB_CDC_NCM_NTB_MAX_LENGTH 0x1C + +/* CDC NCM subclass 6.2.5 SetNtbFormat */ +#define USB_CDC_NCM_NTB16_FORMAT 0x00 +#define USB_CDC_NCM_NTB32_FORMAT 0x01 + +/* CDC NCM subclass 6.2.7 SetNtbInputSize */ +#define USB_CDC_NCM_NTB_MIN_IN_SIZE 2048 +#define USB_CDC_NCM_NTB_MIN_OUT_SIZE 2048 + +/* NTB Input Size Structure */ +struct usb_cdc_ncm_ndp_input_size { + __le32 dwNtbInMaxSize; + __le16 wNtbInMaxDatagrams; + __le16 wReserved; +} __attribute__ ((packed)); + +/* CDC NCM subclass 6.2.11 SetCrcMode */ +#define USB_CDC_NCM_CRC_NOT_APPENDED 0x00 +#define USB_CDC_NCM_CRC_APPENDED 0x01 + +#endif /* __LINUX_USB_CDC_H */ diff --git a/include/uapi/linux/usb/ch11.h b/include/uapi/linux/usb/ch11.h new file mode 100644 index 000000000000..7692dc69ccf7 --- /dev/null +++ b/include/uapi/linux/usb/ch11.h @@ -0,0 +1,266 @@ +/* + * This file holds Hub protocol constants and data structures that are + * defined in chapter 11 (Hub Specification) of the USB 2.0 specification. + * + * It is used/shared between the USB core, the HCDs and couple of other USB + * drivers. + */ + +#ifndef __LINUX_CH11_H +#define __LINUX_CH11_H + +#include <linux/types.h> /* __u8 etc */ + +/* + * Hub request types + */ + +#define USB_RT_HUB (USB_TYPE_CLASS | USB_RECIP_DEVICE) +#define USB_RT_PORT (USB_TYPE_CLASS | USB_RECIP_OTHER) + +/* + * Hub class requests + * See USB 2.0 spec Table 11-16 + */ +#define HUB_CLEAR_TT_BUFFER 8 +#define HUB_RESET_TT 9 +#define HUB_GET_TT_STATE 10 +#define HUB_STOP_TT 11 + +/* + * Hub class additional requests defined by USB 3.0 spec + * See USB 3.0 spec Table 10-6 + */ +#define HUB_SET_DEPTH 12 +#define HUB_GET_PORT_ERR_COUNT 13 + +/* + * Hub Class feature numbers + * See USB 2.0 spec Table 11-17 + */ +#define C_HUB_LOCAL_POWER 0 +#define C_HUB_OVER_CURRENT 1 + +/* + * Port feature numbers + * See USB 2.0 spec Table 11-17 + */ +#define USB_PORT_FEAT_CONNECTION 0 +#define USB_PORT_FEAT_ENABLE 1 +#define USB_PORT_FEAT_SUSPEND 2 /* L2 suspend */ +#define USB_PORT_FEAT_OVER_CURRENT 3 +#define USB_PORT_FEAT_RESET 4 +#define USB_PORT_FEAT_L1 5 /* L1 suspend */ +#define USB_PORT_FEAT_POWER 8 +#define USB_PORT_FEAT_LOWSPEED 9 /* Should never be used */ +#define USB_PORT_FEAT_C_CONNECTION 16 +#define USB_PORT_FEAT_C_ENABLE 17 +#define USB_PORT_FEAT_C_SUSPEND 18 +#define USB_PORT_FEAT_C_OVER_CURRENT 19 +#define USB_PORT_FEAT_C_RESET 20 +#define USB_PORT_FEAT_TEST 21 +#define USB_PORT_FEAT_INDICATOR 22 +#define USB_PORT_FEAT_C_PORT_L1 23 + +/* + * Port feature selectors added by USB 3.0 spec. + * See USB 3.0 spec Table 10-7 + */ +#define USB_PORT_FEAT_LINK_STATE 5 +#define USB_PORT_FEAT_U1_TIMEOUT 23 +#define USB_PORT_FEAT_U2_TIMEOUT 24 +#define USB_PORT_FEAT_C_PORT_LINK_STATE 25 +#define USB_PORT_FEAT_C_PORT_CONFIG_ERROR 26 +#define USB_PORT_FEAT_REMOTE_WAKE_MASK 27 +#define USB_PORT_FEAT_BH_PORT_RESET 28 +#define USB_PORT_FEAT_C_BH_PORT_RESET 29 +#define USB_PORT_FEAT_FORCE_LINKPM_ACCEPT 30 + +#define USB_PORT_LPM_TIMEOUT(p) (((p) & 0xff) << 8) + +/* USB 3.0 hub remote wake mask bits, see table 10-14 */ +#define USB_PORT_FEAT_REMOTE_WAKE_CONNECT (1 << 8) +#define USB_PORT_FEAT_REMOTE_WAKE_DISCONNECT (1 << 9) +#define USB_PORT_FEAT_REMOTE_WAKE_OVER_CURRENT (1 << 10) + +/* + * Hub Status and Hub Change results + * See USB 2.0 spec Table 11-19 and Table 11-20 + */ +struct usb_port_status { + __le16 wPortStatus; + __le16 wPortChange; +} __attribute__ ((packed)); + +/* + * wPortStatus bit field + * See USB 2.0 spec Table 11-21 + */ +#define USB_PORT_STAT_CONNECTION 0x0001 +#define USB_PORT_STAT_ENABLE 0x0002 +#define USB_PORT_STAT_SUSPEND 0x0004 +#define USB_PORT_STAT_OVERCURRENT 0x0008 +#define USB_PORT_STAT_RESET 0x0010 +#define USB_PORT_STAT_L1 0x0020 +/* bits 6 to 7 are reserved */ +#define USB_PORT_STAT_POWER 0x0100 +#define USB_PORT_STAT_LOW_SPEED 0x0200 +#define USB_PORT_STAT_HIGH_SPEED 0x0400 +#define USB_PORT_STAT_TEST 0x0800 +#define USB_PORT_STAT_INDICATOR 0x1000 +/* bits 13 to 15 are reserved */ + +/* + * Additions to wPortStatus bit field from USB 3.0 + * See USB 3.0 spec Table 10-10 + */ +#define USB_PORT_STAT_LINK_STATE 0x01e0 +#define USB_SS_PORT_STAT_POWER 0x0200 +#define USB_SS_PORT_STAT_SPEED 0x1c00 +#define USB_PORT_STAT_SPEED_5GBPS 0x0000 +/* Valid only if port is enabled */ +/* Bits that are the same from USB 2.0 */ +#define USB_SS_PORT_STAT_MASK (USB_PORT_STAT_CONNECTION | \ + USB_PORT_STAT_ENABLE | \ + USB_PORT_STAT_OVERCURRENT | \ + USB_PORT_STAT_RESET) + +/* + * Definitions for PORT_LINK_STATE values + * (bits 5-8) in wPortStatus + */ +#define USB_SS_PORT_LS_U0 0x0000 +#define USB_SS_PORT_LS_U1 0x0020 +#define USB_SS_PORT_LS_U2 0x0040 +#define USB_SS_PORT_LS_U3 0x0060 +#define USB_SS_PORT_LS_SS_DISABLED 0x0080 +#define USB_SS_PORT_LS_RX_DETECT 0x00a0 +#define USB_SS_PORT_LS_SS_INACTIVE 0x00c0 +#define USB_SS_PORT_LS_POLLING 0x00e0 +#define USB_SS_PORT_LS_RECOVERY 0x0100 +#define USB_SS_PORT_LS_HOT_RESET 0x0120 +#define USB_SS_PORT_LS_COMP_MOD 0x0140 +#define USB_SS_PORT_LS_LOOPBACK 0x0160 + +/* + * wPortChange bit field + * See USB 2.0 spec Table 11-22 and USB 2.0 LPM ECN Table-4.10 + * Bits 0 to 5 shown, bits 6 to 15 are reserved + */ +#define USB_PORT_STAT_C_CONNECTION 0x0001 +#define USB_PORT_STAT_C_ENABLE 0x0002 +#define USB_PORT_STAT_C_SUSPEND 0x0004 +#define USB_PORT_STAT_C_OVERCURRENT 0x0008 +#define USB_PORT_STAT_C_RESET 0x0010 +#define USB_PORT_STAT_C_L1 0x0020 +/* + * USB 3.0 wPortChange bit fields + * See USB 3.0 spec Table 10-11 + */ +#define USB_PORT_STAT_C_BH_RESET 0x0020 +#define USB_PORT_STAT_C_LINK_STATE 0x0040 +#define USB_PORT_STAT_C_CONFIG_ERROR 0x0080 + +/* + * wHubCharacteristics (masks) + * See USB 2.0 spec Table 11-13, offset 3 + */ +#define HUB_CHAR_LPSM 0x0003 /* Logical Power Switching Mode mask */ +#define HUB_CHAR_COMMON_LPSM 0x0000 /* All ports power control at once */ +#define HUB_CHAR_INDV_PORT_LPSM 0x0001 /* per-port power control */ +#define HUB_CHAR_NO_LPSM 0x0002 /* no power switching */ + +#define HUB_CHAR_COMPOUND 0x0004 /* hub is part of a compound device */ + +#define HUB_CHAR_OCPM 0x0018 /* Over-Current Protection Mode mask */ +#define HUB_CHAR_COMMON_OCPM 0x0000 /* All ports Over-Current reporting */ +#define HUB_CHAR_INDV_PORT_OCPM 0x0008 /* per-port Over-current reporting */ +#define HUB_CHAR_NO_OCPM 0x0010 /* No Over-current Protection support */ + +#define HUB_CHAR_TTTT 0x0060 /* TT Think Time mask */ +#define HUB_CHAR_PORTIND 0x0080 /* per-port indicators (LEDs) */ + +struct usb_hub_status { + __le16 wHubStatus; + __le16 wHubChange; +} __attribute__ ((packed)); + +/* + * Hub Status & Hub Change bit masks + * See USB 2.0 spec Table 11-19 and Table 11-20 + * Bits 0 and 1 for wHubStatus and wHubChange + * Bits 2 to 15 are reserved for both + */ +#define HUB_STATUS_LOCAL_POWER 0x0001 +#define HUB_STATUS_OVERCURRENT 0x0002 +#define HUB_CHANGE_LOCAL_POWER 0x0001 +#define HUB_CHANGE_OVERCURRENT 0x0002 + + +/* + * Hub descriptor + * See USB 2.0 spec Table 11-13 + */ + +#define USB_DT_HUB (USB_TYPE_CLASS | 0x09) +#define USB_DT_SS_HUB (USB_TYPE_CLASS | 0x0a) +#define USB_DT_HUB_NONVAR_SIZE 7 +#define USB_DT_SS_HUB_SIZE 12 + +/* + * Hub Device descriptor + * USB Hub class device protocols + */ + +#define USB_HUB_PR_FS 0 /* Full speed hub */ +#define USB_HUB_PR_HS_NO_TT 0 /* Hi-speed hub without TT */ +#define USB_HUB_PR_HS_SINGLE_TT 1 /* Hi-speed hub with single TT */ +#define USB_HUB_PR_HS_MULTI_TT 2 /* Hi-speed hub with multiple TT */ +#define USB_HUB_PR_SS 3 /* Super speed hub */ + +struct usb_hub_descriptor { + __u8 bDescLength; + __u8 bDescriptorType; + __u8 bNbrPorts; + __le16 wHubCharacteristics; + __u8 bPwrOn2PwrGood; + __u8 bHubContrCurrent; + + /* 2.0 and 3.0 hubs differ here */ + union { + struct { + /* add 1 bit for hub status change; round to bytes */ + __u8 DeviceRemovable[(USB_MAXCHILDREN + 1 + 7) / 8]; + __u8 PortPwrCtrlMask[(USB_MAXCHILDREN + 1 + 7) / 8]; + } __attribute__ ((packed)) hs; + + struct { + __u8 bHubHdrDecLat; + __le16 wHubDelay; + __le16 DeviceRemovable; + } __attribute__ ((packed)) ss; + } u; +} __attribute__ ((packed)); + +/* port indicator status selectors, tables 11-7 and 11-25 */ +#define HUB_LED_AUTO 0 +#define HUB_LED_AMBER 1 +#define HUB_LED_GREEN 2 +#define HUB_LED_OFF 3 + +enum hub_led_mode { + INDICATOR_AUTO = 0, + INDICATOR_CYCLE, + /* software blinks for attention: software, hardware, reserved */ + INDICATOR_GREEN_BLINK, INDICATOR_GREEN_BLINK_OFF, + INDICATOR_AMBER_BLINK, INDICATOR_AMBER_BLINK_OFF, + INDICATOR_ALT_BLINK, INDICATOR_ALT_BLINK_OFF +} __attribute__ ((packed)); + +/* Transaction Translator Think Times, in bits */ +#define HUB_TTTT_8_BITS 0x00 +#define HUB_TTTT_16_BITS 0x20 +#define HUB_TTTT_24_BITS 0x40 +#define HUB_TTTT_32_BITS 0x60 + +#endif /* __LINUX_CH11_H */ diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h new file mode 100644 index 000000000000..50598472dc41 --- /dev/null +++ b/include/uapi/linux/usb/ch9.h @@ -0,0 +1,993 @@ +/* + * This file holds USB constants and structures that are needed for + * USB device APIs. These are used by the USB device model, which is + * defined in chapter 9 of the USB 2.0 specification and in the + * Wireless USB 1.0 (spread around). Linux has several APIs in C that + * need these: + * + * - the master/host side Linux-USB kernel driver API; + * - the "usbfs" user space API; and + * - the Linux "gadget" slave/device/peripheral side driver API. + * + * USB 2.0 adds an additional "On The Go" (OTG) mode, which lets systems + * act either as a USB master/host or as a USB slave/device. That means + * the master and slave side APIs benefit from working well together. + * + * There's also "Wireless USB", using low power short range radios for + * peripheral interconnection but otherwise building on the USB framework. + * + * Note all descriptors are declared '__attribute__((packed))' so that: + * + * [a] they never get padded, either internally (USB spec writers + * probably handled that) or externally; + * + * [b] so that accessing bigger-than-a-bytes fields will never + * generate bus errors on any platform, even when the location of + * its descriptor inside a bundle isn't "naturally aligned", and + * + * [c] for consistency, removing all doubt even when it appears to + * someone that the two other points are non-issues for that + * particular descriptor type. + */ + +#ifndef _UAPI__LINUX_USB_CH9_H +#define _UAPI__LINUX_USB_CH9_H + +#include <linux/types.h> /* __u8 etc */ +#include <asm/byteorder.h> /* le16_to_cpu */ + +/*-------------------------------------------------------------------------*/ + +/* CONTROL REQUEST SUPPORT */ + +/* + * USB directions + * + * This bit flag is used in endpoint descriptors' bEndpointAddress field. + * It's also one of three fields in control requests bRequestType. + */ +#define USB_DIR_OUT 0 /* to device */ +#define USB_DIR_IN 0x80 /* to host */ + +/* + * USB types, the second of three bRequestType fields + */ +#define USB_TYPE_MASK (0x03 << 5) +#define USB_TYPE_STANDARD (0x00 << 5) +#define USB_TYPE_CLASS (0x01 << 5) +#define USB_TYPE_VENDOR (0x02 << 5) +#define USB_TYPE_RESERVED (0x03 << 5) + +/* + * USB recipients, the third of three bRequestType fields + */ +#define USB_RECIP_MASK 0x1f +#define USB_RECIP_DEVICE 0x00 +#define USB_RECIP_INTERFACE 0x01 +#define USB_RECIP_ENDPOINT 0x02 +#define USB_RECIP_OTHER 0x03 +/* From Wireless USB 1.0 */ +#define USB_RECIP_PORT 0x04 +#define USB_RECIP_RPIPE 0x05 + +/* + * Standard requests, for the bRequest field of a SETUP packet. + * + * These are qualified by the bRequestType field, so that for example + * TYPE_CLASS or TYPE_VENDOR specific feature flags could be retrieved + * by a GET_STATUS request. + */ +#define USB_REQ_GET_STATUS 0x00 +#define USB_REQ_CLEAR_FEATURE 0x01 +#define USB_REQ_SET_FEATURE 0x03 +#define USB_REQ_SET_ADDRESS 0x05 +#define USB_REQ_GET_DESCRIPTOR 0x06 +#define USB_REQ_SET_DESCRIPTOR 0x07 +#define USB_REQ_GET_CONFIGURATION 0x08 +#define USB_REQ_SET_CONFIGURATION 0x09 +#define USB_REQ_GET_INTERFACE 0x0A +#define USB_REQ_SET_INTERFACE 0x0B +#define USB_REQ_SYNCH_FRAME 0x0C +#define USB_REQ_SET_SEL 0x30 +#define USB_REQ_SET_ISOCH_DELAY 0x31 + +#define USB_REQ_SET_ENCRYPTION 0x0D /* Wireless USB */ +#define USB_REQ_GET_ENCRYPTION 0x0E +#define USB_REQ_RPIPE_ABORT 0x0E +#define USB_REQ_SET_HANDSHAKE 0x0F +#define USB_REQ_RPIPE_RESET 0x0F +#define USB_REQ_GET_HANDSHAKE 0x10 +#define USB_REQ_SET_CONNECTION 0x11 +#define USB_REQ_SET_SECURITY_DATA 0x12 +#define USB_REQ_GET_SECURITY_DATA 0x13 +#define USB_REQ_SET_WUSB_DATA 0x14 +#define USB_REQ_LOOPBACK_DATA_WRITE 0x15 +#define USB_REQ_LOOPBACK_DATA_READ 0x16 +#define USB_REQ_SET_INTERFACE_DS 0x17 + +/* The Link Power Management (LPM) ECN defines USB_REQ_TEST_AND_SET command, + * used by hubs to put ports into a new L1 suspend state, except that it + * forgot to define its number ... + */ + +/* + * USB feature flags are written using USB_REQ_{CLEAR,SET}_FEATURE, and + * are read as a bit array returned by USB_REQ_GET_STATUS. (So there + * are at most sixteen features of each type.) Hubs may also support a + * new USB_REQ_TEST_AND_SET_FEATURE to put ports into L1 suspend. + */ +#define USB_DEVICE_SELF_POWERED 0 /* (read only) */ +#define USB_DEVICE_REMOTE_WAKEUP 1 /* dev may initiate wakeup */ +#define USB_DEVICE_TEST_MODE 2 /* (wired high speed only) */ +#define USB_DEVICE_BATTERY 2 /* (wireless) */ +#define USB_DEVICE_B_HNP_ENABLE 3 /* (otg) dev may initiate HNP */ +#define USB_DEVICE_WUSB_DEVICE 3 /* (wireless)*/ +#define USB_DEVICE_A_HNP_SUPPORT 4 /* (otg) RH port supports HNP */ +#define USB_DEVICE_A_ALT_HNP_SUPPORT 5 /* (otg) other RH port does */ +#define USB_DEVICE_DEBUG_MODE 6 /* (special devices only) */ + +/* + * Test Mode Selectors + * See USB 2.0 spec Table 9-7 + */ +#define TEST_J 1 +#define TEST_K 2 +#define TEST_SE0_NAK 3 +#define TEST_PACKET 4 +#define TEST_FORCE_EN 5 + +/* + * New Feature Selectors as added by USB 3.0 + * See USB 3.0 spec Table 9-6 + */ +#define USB_DEVICE_U1_ENABLE 48 /* dev may initiate U1 transition */ +#define USB_DEVICE_U2_ENABLE 49 /* dev may initiate U2 transition */ +#define USB_DEVICE_LTM_ENABLE 50 /* dev may send LTM */ +#define USB_INTRF_FUNC_SUSPEND 0 /* function suspend */ + +#define USB_INTR_FUNC_SUSPEND_OPT_MASK 0xFF00 +/* + * Suspend Options, Table 9-7 USB 3.0 spec + */ +#define USB_INTRF_FUNC_SUSPEND_LP (1 << (8 + 0)) +#define USB_INTRF_FUNC_SUSPEND_RW (1 << (8 + 1)) + +#define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */ + +/* Bit array elements as returned by the USB_REQ_GET_STATUS request. */ +#define USB_DEV_STAT_U1_ENABLED 2 /* transition into U1 state */ +#define USB_DEV_STAT_U2_ENABLED 3 /* transition into U2 state */ +#define USB_DEV_STAT_LTM_ENABLED 4 /* Latency tolerance messages */ + +/** + * struct usb_ctrlrequest - SETUP data for a USB device control request + * @bRequestType: matches the USB bmRequestType field + * @bRequest: matches the USB bRequest field + * @wValue: matches the USB wValue field (le16 byte order) + * @wIndex: matches the USB wIndex field (le16 byte order) + * @wLength: matches the USB wLength field (le16 byte order) + * + * This structure is used to send control requests to a USB device. It matches + * the different fields of the USB 2.0 Spec section 9.3, table 9-2. See the + * USB spec for a fuller description of the different fields, and what they are + * used for. + * + * Note that the driver for any interface can issue control requests. + * For most devices, interfaces don't coordinate with each other, so + * such requests may be made at any time. + */ +struct usb_ctrlrequest { + __u8 bRequestType; + __u8 bRequest; + __le16 wValue; + __le16 wIndex; + __le16 wLength; +} __attribute__ ((packed)); + +/*-------------------------------------------------------------------------*/ + +/* + * STANDARD DESCRIPTORS ... as returned by GET_DESCRIPTOR, or + * (rarely) accepted by SET_DESCRIPTOR. + * + * Note that all multi-byte values here are encoded in little endian + * byte order "on the wire". Within the kernel and when exposed + * through the Linux-USB APIs, they are not converted to cpu byte + * order; it is the responsibility of the client code to do this. + * The single exception is when device and configuration descriptors (but + * not other descriptors) are read from usbfs (i.e. /proc/bus/usb/BBB/DDD); + * in this case the fields are converted to host endianness by the kernel. + */ + +/* + * Descriptor types ... USB 2.0 spec table 9.5 + */ +#define USB_DT_DEVICE 0x01 +#define USB_DT_CONFIG 0x02 +#define USB_DT_STRING 0x03 +#define USB_DT_INTERFACE 0x04 +#define USB_DT_ENDPOINT 0x05 +#define USB_DT_DEVICE_QUALIFIER 0x06 +#define USB_DT_OTHER_SPEED_CONFIG 0x07 +#define USB_DT_INTERFACE_POWER 0x08 +/* these are from a minor usb 2.0 revision (ECN) */ +#define USB_DT_OTG 0x09 +#define USB_DT_DEBUG 0x0a +#define USB_DT_INTERFACE_ASSOCIATION 0x0b +/* these are from the Wireless USB spec */ +#define USB_DT_SECURITY 0x0c +#define USB_DT_KEY 0x0d +#define USB_DT_ENCRYPTION_TYPE 0x0e +#define USB_DT_BOS 0x0f +#define USB_DT_DEVICE_CAPABILITY 0x10 +#define USB_DT_WIRELESS_ENDPOINT_COMP 0x11 +#define USB_DT_WIRE_ADAPTER 0x21 +#define USB_DT_RPIPE 0x22 +#define USB_DT_CS_RADIO_CONTROL 0x23 +/* From the T10 UAS specification */ +#define USB_DT_PIPE_USAGE 0x24 +/* From the USB 3.0 spec */ +#define USB_DT_SS_ENDPOINT_COMP 0x30 + +/* Conventional codes for class-specific descriptors. The convention is + * defined in the USB "Common Class" Spec (3.11). Individual class specs + * are authoritative for their usage, not the "common class" writeup. + */ +#define USB_DT_CS_DEVICE (USB_TYPE_CLASS | USB_DT_DEVICE) +#define USB_DT_CS_CONFIG (USB_TYPE_CLASS | USB_DT_CONFIG) +#define USB_DT_CS_STRING (USB_TYPE_CLASS | USB_DT_STRING) +#define USB_DT_CS_INTERFACE (USB_TYPE_CLASS | USB_DT_INTERFACE) +#define USB_DT_CS_ENDPOINT (USB_TYPE_CLASS | USB_DT_ENDPOINT) + +/* All standard descriptors have these 2 fields at the beginning */ +struct usb_descriptor_header { + __u8 bLength; + __u8 bDescriptorType; +} __attribute__ ((packed)); + + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_DEVICE: Device descriptor */ +struct usb_device_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __le16 bcdUSB; + __u8 bDeviceClass; + __u8 bDeviceSubClass; + __u8 bDeviceProtocol; + __u8 bMaxPacketSize0; + __le16 idVendor; + __le16 idProduct; + __le16 bcdDevice; + __u8 iManufacturer; + __u8 iProduct; + __u8 iSerialNumber; + __u8 bNumConfigurations; +} __attribute__ ((packed)); + +#define USB_DT_DEVICE_SIZE 18 + + +/* + * Device and/or Interface Class codes + * as found in bDeviceClass or bInterfaceClass + * and defined by www.usb.org documents + */ +#define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */ +#define USB_CLASS_AUDIO 1 +#define USB_CLASS_COMM 2 +#define USB_CLASS_HID 3 +#define USB_CLASS_PHYSICAL 5 +#define USB_CLASS_STILL_IMAGE 6 +#define USB_CLASS_PRINTER 7 +#define USB_CLASS_MASS_STORAGE 8 +#define USB_CLASS_HUB 9 +#define USB_CLASS_CDC_DATA 0x0a +#define USB_CLASS_CSCID 0x0b /* chip+ smart card */ +#define USB_CLASS_CONTENT_SEC 0x0d /* content security */ +#define USB_CLASS_VIDEO 0x0e +#define USB_CLASS_WIRELESS_CONTROLLER 0xe0 +#define USB_CLASS_MISC 0xef +#define USB_CLASS_APP_SPEC 0xfe +#define USB_CLASS_VENDOR_SPEC 0xff + +#define USB_SUBCLASS_VENDOR_SPEC 0xff + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_CONFIG: Configuration descriptor information. + * + * USB_DT_OTHER_SPEED_CONFIG is the same descriptor, except that the + * descriptor type is different. Highspeed-capable devices can look + * different depending on what speed they're currently running. Only + * devices with a USB_DT_DEVICE_QUALIFIER have any OTHER_SPEED_CONFIG + * descriptors. + */ +struct usb_config_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __le16 wTotalLength; + __u8 bNumInterfaces; + __u8 bConfigurationValue; + __u8 iConfiguration; + __u8 bmAttributes; + __u8 bMaxPower; +} __attribute__ ((packed)); + +#define USB_DT_CONFIG_SIZE 9 + +/* from config descriptor bmAttributes */ +#define USB_CONFIG_ATT_ONE (1 << 7) /* must be set */ +#define USB_CONFIG_ATT_SELFPOWER (1 << 6) /* self powered */ +#define USB_CONFIG_ATT_WAKEUP (1 << 5) /* can wakeup */ +#define USB_CONFIG_ATT_BATTERY (1 << 4) /* battery powered */ + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_STRING: String descriptor */ +struct usb_string_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __le16 wData[1]; /* UTF-16LE encoded */ +} __attribute__ ((packed)); + +/* note that "string" zero is special, it holds language codes that + * the device supports, not Unicode characters. + */ + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_INTERFACE: Interface descriptor */ +struct usb_interface_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __u8 bInterfaceNumber; + __u8 bAlternateSetting; + __u8 bNumEndpoints; + __u8 bInterfaceClass; + __u8 bInterfaceSubClass; + __u8 bInterfaceProtocol; + __u8 iInterface; +} __attribute__ ((packed)); + +#define USB_DT_INTERFACE_SIZE 9 + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_ENDPOINT: Endpoint descriptor */ +struct usb_endpoint_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __u8 bEndpointAddress; + __u8 bmAttributes; + __le16 wMaxPacketSize; + __u8 bInterval; + + /* NOTE: these two are _only_ in audio endpoints. */ + /* use USB_DT_ENDPOINT*_SIZE in bLength, not sizeof. */ + __u8 bRefresh; + __u8 bSynchAddress; +} __attribute__ ((packed)); + +#define USB_DT_ENDPOINT_SIZE 7 +#define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */ + + +/* + * Endpoints + */ +#define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */ +#define USB_ENDPOINT_DIR_MASK 0x80 + +#define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */ +#define USB_ENDPOINT_XFER_CONTROL 0 +#define USB_ENDPOINT_XFER_ISOC 1 +#define USB_ENDPOINT_XFER_BULK 2 +#define USB_ENDPOINT_XFER_INT 3 +#define USB_ENDPOINT_MAX_ADJUSTABLE 0x80 + +/* The USB 3.0 spec redefines bits 5:4 of bmAttributes as interrupt ep type. */ +#define USB_ENDPOINT_INTRTYPE 0x30 +#define USB_ENDPOINT_INTR_PERIODIC (0 << 4) +#define USB_ENDPOINT_INTR_NOTIFICATION (1 << 4) + +#define USB_ENDPOINT_SYNCTYPE 0x0c +#define USB_ENDPOINT_SYNC_NONE (0 << 2) +#define USB_ENDPOINT_SYNC_ASYNC (1 << 2) +#define USB_ENDPOINT_SYNC_ADAPTIVE (2 << 2) +#define USB_ENDPOINT_SYNC_SYNC (3 << 2) + +#define USB_ENDPOINT_USAGE_MASK 0x30 +#define USB_ENDPOINT_USAGE_DATA 0x00 +#define USB_ENDPOINT_USAGE_FEEDBACK 0x10 +#define USB_ENDPOINT_USAGE_IMPLICIT_FB 0x20 /* Implicit feedback Data endpoint */ + +/*-------------------------------------------------------------------------*/ + +/** + * usb_endpoint_num - get the endpoint's number + * @epd: endpoint to be checked + * + * Returns @epd's number: 0 to 15. + */ +static inline int usb_endpoint_num(const struct usb_endpoint_descriptor *epd) +{ + return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; +} + +/** + * usb_endpoint_type - get the endpoint's transfer type + * @epd: endpoint to be checked + * + * Returns one of USB_ENDPOINT_XFER_{CONTROL, ISOC, BULK, INT} according + * to @epd's transfer type. + */ +static inline int usb_endpoint_type(const struct usb_endpoint_descriptor *epd) +{ + return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK; +} + +/** + * usb_endpoint_dir_in - check if the endpoint has IN direction + * @epd: endpoint to be checked + * + * Returns true if the endpoint is of type IN, otherwise it returns false. + */ +static inline int usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd) +{ + return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN); +} + +/** + * usb_endpoint_dir_out - check if the endpoint has OUT direction + * @epd: endpoint to be checked + * + * Returns true if the endpoint is of type OUT, otherwise it returns false. + */ +static inline int usb_endpoint_dir_out( + const struct usb_endpoint_descriptor *epd) +{ + return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT); +} + +/** + * usb_endpoint_xfer_bulk - check if the endpoint has bulk transfer type + * @epd: endpoint to be checked + * + * Returns true if the endpoint is of type bulk, otherwise it returns false. + */ +static inline int usb_endpoint_xfer_bulk( + const struct usb_endpoint_descriptor *epd) +{ + return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_BULK); +} + +/** + * usb_endpoint_xfer_control - check if the endpoint has control transfer type + * @epd: endpoint to be checked + * + * Returns true if the endpoint is of type control, otherwise it returns false. + */ +static inline int usb_endpoint_xfer_control( + const struct usb_endpoint_descriptor *epd) +{ + return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_CONTROL); +} + +/** + * usb_endpoint_xfer_int - check if the endpoint has interrupt transfer type + * @epd: endpoint to be checked + * + * Returns true if the endpoint is of type interrupt, otherwise it returns + * false. + */ +static inline int usb_endpoint_xfer_int( + const struct usb_endpoint_descriptor *epd) +{ + return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_INT); +} + +/** + * usb_endpoint_xfer_isoc - check if the endpoint has isochronous transfer type + * @epd: endpoint to be checked + * + * Returns true if the endpoint is of type isochronous, otherwise it returns + * false. + */ +static inline int usb_endpoint_xfer_isoc( + const struct usb_endpoint_descriptor *epd) +{ + return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_ISOC); +} + +/** + * usb_endpoint_is_bulk_in - check if the endpoint is bulk IN + * @epd: endpoint to be checked + * + * Returns true if the endpoint has bulk transfer type and IN direction, + * otherwise it returns false. + */ +static inline int usb_endpoint_is_bulk_in( + const struct usb_endpoint_descriptor *epd) +{ + return usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_in(epd); +} + +/** + * usb_endpoint_is_bulk_out - check if the endpoint is bulk OUT + * @epd: endpoint to be checked + * + * Returns true if the endpoint has bulk transfer type and OUT direction, + * otherwise it returns false. + */ +static inline int usb_endpoint_is_bulk_out( + const struct usb_endpoint_descriptor *epd) +{ + return usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_out(epd); +} + +/** + * usb_endpoint_is_int_in - check if the endpoint is interrupt IN + * @epd: endpoint to be checked + * + * Returns true if the endpoint has interrupt transfer type and IN direction, + * otherwise it returns false. + */ +static inline int usb_endpoint_is_int_in( + const struct usb_endpoint_descriptor *epd) +{ + return usb_endpoint_xfer_int(epd) && usb_endpoint_dir_in(epd); +} + +/** + * usb_endpoint_is_int_out - check if the endpoint is interrupt OUT + * @epd: endpoint to be checked + * + * Returns true if the endpoint has interrupt transfer type and OUT direction, + * otherwise it returns false. + */ +static inline int usb_endpoint_is_int_out( + const struct usb_endpoint_descriptor *epd) +{ + return usb_endpoint_xfer_int(epd) && usb_endpoint_dir_out(epd); +} + +/** + * usb_endpoint_is_isoc_in - check if the endpoint is isochronous IN + * @epd: endpoint to be checked + * + * Returns true if the endpoint has isochronous transfer type and IN direction, + * otherwise it returns false. + */ +static inline int usb_endpoint_is_isoc_in( + const struct usb_endpoint_descriptor *epd) +{ + return usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_in(epd); +} + +/** + * usb_endpoint_is_isoc_out - check if the endpoint is isochronous OUT + * @epd: endpoint to be checked + * + * Returns true if the endpoint has isochronous transfer type and OUT direction, + * otherwise it returns false. + */ +static inline int usb_endpoint_is_isoc_out( + const struct usb_endpoint_descriptor *epd) +{ + return usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_out(epd); +} + +/** + * usb_endpoint_maxp - get endpoint's max packet size + * @epd: endpoint to be checked + * + * Returns @epd's max packet + */ +static inline int usb_endpoint_maxp(const struct usb_endpoint_descriptor *epd) +{ + return __le16_to_cpu(epd->wMaxPacketSize); +} + +static inline int usb_endpoint_interrupt_type( + const struct usb_endpoint_descriptor *epd) +{ + return epd->bmAttributes & USB_ENDPOINT_INTRTYPE; +} + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_SS_ENDPOINT_COMP: SuperSpeed Endpoint Companion descriptor */ +struct usb_ss_ep_comp_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __u8 bMaxBurst; + __u8 bmAttributes; + __le16 wBytesPerInterval; +} __attribute__ ((packed)); + +#define USB_DT_SS_EP_COMP_SIZE 6 + +/* Bits 4:0 of bmAttributes if this is a bulk endpoint */ +static inline int +usb_ss_max_streams(const struct usb_ss_ep_comp_descriptor *comp) +{ + int max_streams; + + if (!comp) + return 0; + + max_streams = comp->bmAttributes & 0x1f; + + if (!max_streams) + return 0; + + max_streams = 1 << max_streams; + + return max_streams; +} + +/* Bits 1:0 of bmAttributes if this is an isoc endpoint */ +#define USB_SS_MULT(p) (1 + ((p) & 0x3)) + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_DEVICE_QUALIFIER: Device Qualifier descriptor */ +struct usb_qualifier_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __le16 bcdUSB; + __u8 bDeviceClass; + __u8 bDeviceSubClass; + __u8 bDeviceProtocol; + __u8 bMaxPacketSize0; + __u8 bNumConfigurations; + __u8 bRESERVED; +} __attribute__ ((packed)); + + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_OTG (from OTG 1.0a supplement) */ +struct usb_otg_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __u8 bmAttributes; /* support for HNP, SRP, etc */ +} __attribute__ ((packed)); + +/* from usb_otg_descriptor.bmAttributes */ +#define USB_OTG_SRP (1 << 0) +#define USB_OTG_HNP (1 << 1) /* swap host/device roles */ + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_DEBUG: for special highspeed devices, replacing serial console */ +struct usb_debug_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + /* bulk endpoints with 8 byte maxpacket */ + __u8 bDebugInEndpoint; + __u8 bDebugOutEndpoint; +} __attribute__((packed)); + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_INTERFACE_ASSOCIATION: groups interfaces */ +struct usb_interface_assoc_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __u8 bFirstInterface; + __u8 bInterfaceCount; + __u8 bFunctionClass; + __u8 bFunctionSubClass; + __u8 bFunctionProtocol; + __u8 iFunction; +} __attribute__ ((packed)); + + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_SECURITY: group of wireless security descriptors, including + * encryption types available for setting up a CC/association. + */ +struct usb_security_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __le16 wTotalLength; + __u8 bNumEncryptionTypes; +} __attribute__((packed)); + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_KEY: used with {GET,SET}_SECURITY_DATA; only public keys + * may be retrieved. + */ +struct usb_key_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __u8 tTKID[3]; + __u8 bReserved; + __u8 bKeyData[0]; +} __attribute__((packed)); + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_ENCRYPTION_TYPE: bundled in DT_SECURITY groups */ +struct usb_encryption_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __u8 bEncryptionType; +#define USB_ENC_TYPE_UNSECURE 0 +#define USB_ENC_TYPE_WIRED 1 /* non-wireless mode */ +#define USB_ENC_TYPE_CCM_1 2 /* aes128/cbc session */ +#define USB_ENC_TYPE_RSA_1 3 /* rsa3072/sha1 auth */ + __u8 bEncryptionValue; /* use in SET_ENCRYPTION */ + __u8 bAuthKeyIndex; +} __attribute__((packed)); + + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_BOS: group of device-level capabilities */ +struct usb_bos_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __le16 wTotalLength; + __u8 bNumDeviceCaps; +} __attribute__((packed)); + +#define USB_DT_BOS_SIZE 5 +/*-------------------------------------------------------------------------*/ + +/* USB_DT_DEVICE_CAPABILITY: grouped with BOS */ +struct usb_dev_cap_header { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; +} __attribute__((packed)); + +#define USB_CAP_TYPE_WIRELESS_USB 1 + +struct usb_wireless_cap_descriptor { /* Ultra Wide Band */ + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; + + __u8 bmAttributes; +#define USB_WIRELESS_P2P_DRD (1 << 1) +#define USB_WIRELESS_BEACON_MASK (3 << 2) +#define USB_WIRELESS_BEACON_SELF (1 << 2) +#define USB_WIRELESS_BEACON_DIRECTED (2 << 2) +#define USB_WIRELESS_BEACON_NONE (3 << 2) + __le16 wPHYRates; /* bit rates, Mbps */ +#define USB_WIRELESS_PHY_53 (1 << 0) /* always set */ +#define USB_WIRELESS_PHY_80 (1 << 1) +#define USB_WIRELESS_PHY_107 (1 << 2) /* always set */ +#define USB_WIRELESS_PHY_160 (1 << 3) +#define USB_WIRELESS_PHY_200 (1 << 4) /* always set */ +#define USB_WIRELESS_PHY_320 (1 << 5) +#define USB_WIRELESS_PHY_400 (1 << 6) +#define USB_WIRELESS_PHY_480 (1 << 7) + __u8 bmTFITXPowerInfo; /* TFI power levels */ + __u8 bmFFITXPowerInfo; /* FFI power levels */ + __le16 bmBandGroup; + __u8 bReserved; +} __attribute__((packed)); + +/* USB 2.0 Extension descriptor */ +#define USB_CAP_TYPE_EXT 2 + +struct usb_ext_cap_descriptor { /* Link Power Management */ + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; + __le32 bmAttributes; +#define USB_LPM_SUPPORT (1 << 1) /* supports LPM */ +#define USB_BESL_SUPPORT (1 << 2) /* supports BESL */ +#define USB_BESL_BASELINE_VALID (1 << 3) /* Baseline BESL valid*/ +#define USB_BESL_DEEP_VALID (1 << 4) /* Deep BESL valid */ +#define USB_GET_BESL_BASELINE(p) (((p) & (0xf << 8)) >> 8) +#define USB_GET_BESL_DEEP(p) (((p) & (0xf << 12)) >> 12) +} __attribute__((packed)); + +#define USB_DT_USB_EXT_CAP_SIZE 7 + +/* + * SuperSpeed USB Capability descriptor: Defines the set of SuperSpeed USB + * specific device level capabilities + */ +#define USB_SS_CAP_TYPE 3 +struct usb_ss_cap_descriptor { /* Link Power Management */ + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; + __u8 bmAttributes; +#define USB_LTM_SUPPORT (1 << 1) /* supports LTM */ + __le16 wSpeedSupported; +#define USB_LOW_SPEED_OPERATION (1) /* Low speed operation */ +#define USB_FULL_SPEED_OPERATION (1 << 1) /* Full speed operation */ +#define USB_HIGH_SPEED_OPERATION (1 << 2) /* High speed operation */ +#define USB_5GBPS_OPERATION (1 << 3) /* Operation at 5Gbps */ + __u8 bFunctionalitySupport; + __u8 bU1devExitLat; + __le16 bU2DevExitLat; +} __attribute__((packed)); + +#define USB_DT_USB_SS_CAP_SIZE 10 + +/* + * Container ID Capability descriptor: Defines the instance unique ID used to + * identify the instance across all operating modes + */ +#define CONTAINER_ID_TYPE 4 +struct usb_ss_container_id_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; + __u8 bReserved; + __u8 ContainerID[16]; /* 128-bit number */ +} __attribute__((packed)); + +#define USB_DT_USB_SS_CONTN_ID_SIZE 20 +/*-------------------------------------------------------------------------*/ + +/* USB_DT_WIRELESS_ENDPOINT_COMP: companion descriptor associated with + * each endpoint descriptor for a wireless device + */ +struct usb_wireless_ep_comp_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __u8 bMaxBurst; + __u8 bMaxSequence; + __le16 wMaxStreamDelay; + __le16 wOverTheAirPacketSize; + __u8 bOverTheAirInterval; + __u8 bmCompAttributes; +#define USB_ENDPOINT_SWITCH_MASK 0x03 /* in bmCompAttributes */ +#define USB_ENDPOINT_SWITCH_NO 0 +#define USB_ENDPOINT_SWITCH_SWITCH 1 +#define USB_ENDPOINT_SWITCH_SCALE 2 +} __attribute__((packed)); + +/*-------------------------------------------------------------------------*/ + +/* USB_REQ_SET_HANDSHAKE is a four-way handshake used between a wireless + * host and a device for connection set up, mutual authentication, and + * exchanging short lived session keys. The handshake depends on a CC. + */ +struct usb_handshake { + __u8 bMessageNumber; + __u8 bStatus; + __u8 tTKID[3]; + __u8 bReserved; + __u8 CDID[16]; + __u8 nonce[16]; + __u8 MIC[8]; +} __attribute__((packed)); + +/*-------------------------------------------------------------------------*/ + +/* USB_REQ_SET_CONNECTION modifies or revokes a connection context (CC). + * A CC may also be set up using non-wireless secure channels (including + * wired USB!), and some devices may support CCs with multiple hosts. + */ +struct usb_connection_context { + __u8 CHID[16]; /* persistent host id */ + __u8 CDID[16]; /* device id (unique w/in host context) */ + __u8 CK[16]; /* connection key */ +} __attribute__((packed)); + +/*-------------------------------------------------------------------------*/ + +/* USB 2.0 defines three speeds, here's how Linux identifies them */ + +enum usb_device_speed { + USB_SPEED_UNKNOWN = 0, /* enumerating */ + USB_SPEED_LOW, USB_SPEED_FULL, /* usb 1.1 */ + USB_SPEED_HIGH, /* usb 2.0 */ + USB_SPEED_WIRELESS, /* wireless (usb 2.5) */ + USB_SPEED_SUPER, /* usb 3.0 */ +}; + + +enum usb_device_state { + /* NOTATTACHED isn't in the USB spec, and this state acts + * the same as ATTACHED ... but it's clearer this way. + */ + USB_STATE_NOTATTACHED = 0, + + /* chapter 9 and authentication (wireless) device states */ + USB_STATE_ATTACHED, + USB_STATE_POWERED, /* wired */ + USB_STATE_RECONNECTING, /* auth */ + USB_STATE_UNAUTHENTICATED, /* auth */ + USB_STATE_DEFAULT, /* limited function */ + USB_STATE_ADDRESS, + USB_STATE_CONFIGURED, /* most functions */ + + USB_STATE_SUSPENDED + + /* NOTE: there are actually four different SUSPENDED + * states, returning to POWERED, DEFAULT, ADDRESS, or + * CONFIGURED respectively when SOF tokens flow again. + * At this level there's no difference between L1 and L2 + * suspend states. (L2 being original USB 1.1 suspend.) + */ +}; + +enum usb3_link_state { + USB3_LPM_U0 = 0, + USB3_LPM_U1, + USB3_LPM_U2, + USB3_LPM_U3 +}; + +/* + * A U1 timeout of 0x0 means the parent hub will reject any transitions to U1. + * 0xff means the parent hub will accept transitions to U1, but will not + * initiate a transition. + * + * A U1 timeout of 0x1 to 0x7F also causes the hub to initiate a transition to + * U1 after that many microseconds. Timeouts of 0x80 to 0xFE are reserved + * values. + * + * A U2 timeout of 0x0 means the parent hub will reject any transitions to U2. + * 0xff means the parent hub will accept transitions to U2, but will not + * initiate a transition. + * + * A U2 timeout of 0x1 to 0xFE also causes the hub to initiate a transition to + * U2 after N*256 microseconds. Therefore a U2 timeout value of 0x1 means a U2 + * idle timer of 256 microseconds, 0x2 means 512 microseconds, 0xFE means + * 65.024ms. + */ +#define USB3_LPM_DISABLED 0x0 +#define USB3_LPM_U1_MAX_TIMEOUT 0x7F +#define USB3_LPM_U2_MAX_TIMEOUT 0xFE +#define USB3_LPM_DEVICE_INITIATED 0xFF + +struct usb_set_sel_req { + __u8 u1_sel; + __u8 u1_pel; + __le16 u2_sel; + __le16 u2_pel; +} __attribute__ ((packed)); + +/* + * The Set System Exit Latency control transfer provides one byte each for + * U1 SEL and U1 PEL, so the max exit latency is 0xFF. U2 SEL and U2 PEL each + * are two bytes long. + */ +#define USB3_LPM_MAX_U1_SEL_PEL 0xFF +#define USB3_LPM_MAX_U2_SEL_PEL 0xFFFF + +/*-------------------------------------------------------------------------*/ + +/* + * As per USB compliance update, a device that is actively drawing + * more than 100mA from USB must report itself as bus-powered in + * the GetStatus(DEVICE) call. + * http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#34 + */ +#define USB_SELF_POWER_VBUS_MAX_DRAW 100 + +#endif /* _UAPI__LINUX_USB_CH9_H */ diff --git a/include/uapi/linux/usb/functionfs.h b/include/uapi/linux/usb/functionfs.h new file mode 100644 index 000000000000..d6b01283f85c --- /dev/null +++ b/include/uapi/linux/usb/functionfs.h @@ -0,0 +1,169 @@ +#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__ */ diff --git a/include/uapi/linux/usb/g_printer.h b/include/uapi/linux/usb/g_printer.h new file mode 100644 index 000000000000..6178fde50f74 --- /dev/null +++ b/include/uapi/linux/usb/g_printer.h @@ -0,0 +1,35 @@ +/* + * g_printer.h -- Header file for USB Printer gadget driver + * + * Copyright (C) 2007 Craig W. Nadler + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __LINUX_USB_G_PRINTER_H +#define __LINUX_USB_G_PRINTER_H + +#define PRINTER_NOT_ERROR 0x08 +#define PRINTER_SELECTED 0x10 +#define PRINTER_PAPER_EMPTY 0x20 + +/* The 'g' code is also used by gadgetfs ioctl requests. + * Don't add any colliding codes to either driver, and keep + * them in unique ranges (size 0x20 for now). + */ +#define GADGET_GET_PRINTER_STATUS _IOR('g', 0x21, unsigned char) +#define GADGET_SET_PRINTER_STATUS _IOWR('g', 0x22, unsigned char) + +#endif /* __LINUX_USB_G_PRINTER_H */ diff --git a/include/uapi/linux/usb/gadgetfs.h b/include/uapi/linux/usb/gadgetfs.h new file mode 100644 index 000000000000..0bb12e0d4f8f --- /dev/null +++ b/include/uapi/linux/usb/gadgetfs.h @@ -0,0 +1,88 @@ +/* + * Filesystem based user-mode API to USB Gadget controller hardware + * + * Other than ep0 operations, most things are done by read() and write() + * on endpoint files found in one directory. They are configured by + * writing descriptors, and then may be used for normal stream style + * i/o requests. When ep0 is configured, the device can enumerate; + * when it's closed, the device disconnects from usb. Operations on + * ep0 require ioctl() operations. + * + * Configuration and device descriptors get written to /dev/gadget/$CHIP, + * which may then be used to read usb_gadgetfs_event structs. The driver + * may activate endpoints as it handles SET_CONFIGURATION setup events, + * or earlier; writing endpoint descriptors to /dev/gadget/$ENDPOINT + * then performing data transfers by reading or writing. + */ + +#ifndef __LINUX_USB_GADGETFS_H +#define __LINUX_USB_GADGETFS_H + +#include <linux/types.h> +#include <linux/ioctl.h> + +#include <linux/usb/ch9.h> + +/* + * 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_gadgetfs_event_type { + GADGETFS_NOP = 0, + + GADGETFS_CONNECT, + GADGETFS_DISCONNECT, + GADGETFS_SETUP, + GADGETFS_SUSPEND, + /* and likely more ! */ +}; + +/* NOTE: this structure must stay the same size and layout on + * both 32-bit and 64-bit kernels. + */ +struct usb_gadgetfs_event { + union { + /* NOP, DISCONNECT, SUSPEND: nothing + * ... some hardware can't report disconnection + */ + + /* CONNECT: just the speed */ + enum usb_device_speed speed; + + /* SETUP: packet; DATA phase i/o precedes next event + *(setup.bmRequestType & USB_DIR_IN) flags direction + * ... includes SET_CONFIGURATION, SET_INTERFACE + */ + struct usb_ctrlrequest setup; + } u; + enum usb_gadgetfs_event_type type; +}; + + +/* The 'g' code is also used by printer gadget ioctl requests. + * Don't add any colliding codes to either driver, and keep + * them in unique ranges (size 0x20 for now). + */ + +/* endpoint ioctls */ + +/* 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 GADGETFS_FIFO_STATUS _IO('g', 1) + +/* discards any unclaimed data in the fifo. */ +#define GADGETFS_FIFO_FLUSH _IO('g', 2) + +/* resets endpoint halt+toggle; used to implement set_interface. + * some hardware (like pxa2xx) can't support this. + */ +#define GADGETFS_CLEAR_HALT _IO('g', 3) + +#endif /* __LINUX_USB_GADGETFS_H */ diff --git a/include/uapi/linux/usb/midi.h b/include/uapi/linux/usb/midi.h new file mode 100644 index 000000000000..c8c52e3c91de --- /dev/null +++ b/include/uapi/linux/usb/midi.h @@ -0,0 +1,112 @@ +/* + * <linux/usb/midi.h> -- USB MIDI 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 MIDI Devices. + * Comments below reference relevant sections of that document: + * + * http://www.usb.org/developers/devclass_docs/midi10.pdf + */ + +#ifndef __LINUX_USB_MIDI_H +#define __LINUX_USB_MIDI_H + +#include <linux/types.h> + +/* A.1 MS Class-Specific Interface Descriptor Subtypes */ +#define USB_MS_HEADER 0x01 +#define USB_MS_MIDI_IN_JACK 0x02 +#define USB_MS_MIDI_OUT_JACK 0x03 +#define USB_MS_ELEMENT 0x04 + +/* A.2 MS Class-Specific Endpoint Descriptor Subtypes */ +#define USB_MS_GENERAL 0x01 + +/* A.3 MS MIDI IN and OUT Jack Types */ +#define USB_MS_EMBEDDED 0x01 +#define USB_MS_EXTERNAL 0x02 + +/* 6.1.2.1 Class-Specific MS Interface Header Descriptor */ +struct usb_ms_header_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubtype; + __le16 bcdMSC; + __le16 wTotalLength; +} __attribute__ ((packed)); + +#define USB_DT_MS_HEADER_SIZE 7 + +/* 6.1.2.2 MIDI IN Jack Descriptor */ +struct usb_midi_in_jack_descriptor { + __u8 bLength; + __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */ + __u8 bDescriptorSubtype; /* USB_MS_MIDI_IN_JACK */ + __u8 bJackType; /* USB_MS_EMBEDDED/EXTERNAL */ + __u8 bJackID; + __u8 iJack; +} __attribute__ ((packed)); + +#define USB_DT_MIDI_IN_SIZE 6 + +struct usb_midi_source_pin { + __u8 baSourceID; + __u8 baSourcePin; +} __attribute__ ((packed)); + +/* 6.1.2.3 MIDI OUT Jack Descriptor */ +struct usb_midi_out_jack_descriptor { + __u8 bLength; + __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */ + __u8 bDescriptorSubtype; /* USB_MS_MIDI_OUT_JACK */ + __u8 bJackType; /* USB_MS_EMBEDDED/EXTERNAL */ + __u8 bJackID; + __u8 bNrInputPins; /* p */ + struct usb_midi_source_pin pins[]; /* [p] */ + /*__u8 iJack; -- omitted due to variable-sized pins[] */ +} __attribute__ ((packed)); + +#define USB_DT_MIDI_OUT_SIZE(p) (7 + 2 * (p)) + +/* As above, but more useful for defining your own descriptors: */ +#define DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(p) \ +struct usb_midi_out_jack_descriptor_##p { \ + __u8 bLength; \ + __u8 bDescriptorType; \ + __u8 bDescriptorSubtype; \ + __u8 bJackType; \ + __u8 bJackID; \ + __u8 bNrInputPins; \ + struct usb_midi_source_pin pins[p]; \ + __u8 iJack; \ +} __attribute__ ((packed)) + +/* 6.2.2 Class-Specific MS Bulk Data Endpoint Descriptor */ +struct usb_ms_endpoint_descriptor { + __u8 bLength; /* 4+n */ + __u8 bDescriptorType; /* USB_DT_CS_ENDPOINT */ + __u8 bDescriptorSubtype; /* USB_MS_GENERAL */ + __u8 bNumEmbMIDIJack; /* n */ + __u8 baAssocJackID[]; /* [n] */ +} __attribute__ ((packed)); + +#define USB_DT_MS_ENDPOINT_SIZE(n) (4 + (n)) + +/* As above, but more useful for defining your own descriptors: */ +#define DECLARE_USB_MS_ENDPOINT_DESCRIPTOR(n) \ +struct usb_ms_endpoint_descriptor_##n { \ + __u8 bLength; \ + __u8 bDescriptorType; \ + __u8 bDescriptorSubtype; \ + __u8 bNumEmbMIDIJack; \ + __u8 baAssocJackID[n]; \ +} __attribute__ ((packed)) + +#endif /* __LINUX_USB_MIDI_H */ diff --git a/include/uapi/linux/usb/tmc.h b/include/uapi/linux/usb/tmc.h new file mode 100644 index 000000000000..c045ae12556c --- /dev/null +++ b/include/uapi/linux/usb/tmc.h @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2007 Stefan Kopp, Gechingen, Germany + * Copyright (C) 2008 Novell, Inc. + * Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de> + * + * This file holds USB constants defined by the USB Device Class + * Definition for Test and Measurement devices published by the USB-IF. + * + * It also has the ioctl definitions for the usbtmc kernel driver that + * userspace needs to know about. + */ + +#ifndef __LINUX_USB_TMC_H +#define __LINUX_USB_TMC_H + +/* USB TMC status values */ +#define USBTMC_STATUS_SUCCESS 0x01 +#define USBTMC_STATUS_PENDING 0x02 +#define USBTMC_STATUS_FAILED 0x80 +#define USBTMC_STATUS_TRANSFER_NOT_IN_PROGRESS 0x81 +#define USBTMC_STATUS_SPLIT_NOT_IN_PROGRESS 0x82 +#define USBTMC_STATUS_SPLIT_IN_PROGRESS 0x83 + +/* USB TMC requests values */ +#define USBTMC_REQUEST_INITIATE_ABORT_BULK_OUT 1 +#define USBTMC_REQUEST_CHECK_ABORT_BULK_OUT_STATUS 2 +#define USBTMC_REQUEST_INITIATE_ABORT_BULK_IN 3 +#define USBTMC_REQUEST_CHECK_ABORT_BULK_IN_STATUS 4 +#define USBTMC_REQUEST_INITIATE_CLEAR 5 +#define USBTMC_REQUEST_CHECK_CLEAR_STATUS 6 +#define USBTMC_REQUEST_GET_CAPABILITIES 7 +#define USBTMC_REQUEST_INDICATOR_PULSE 64 + +/* Request values for USBTMC driver's ioctl entry point */ +#define USBTMC_IOC_NR 91 +#define USBTMC_IOCTL_INDICATOR_PULSE _IO(USBTMC_IOC_NR, 1) +#define USBTMC_IOCTL_CLEAR _IO(USBTMC_IOC_NR, 2) +#define USBTMC_IOCTL_ABORT_BULK_OUT _IO(USBTMC_IOC_NR, 3) +#define USBTMC_IOCTL_ABORT_BULK_IN _IO(USBTMC_IOC_NR, 4) +#define USBTMC_IOCTL_CLEAR_OUT_HALT _IO(USBTMC_IOC_NR, 6) +#define USBTMC_IOCTL_CLEAR_IN_HALT _IO(USBTMC_IOC_NR, 7) + +#endif diff --git a/include/uapi/linux/usb/video.h b/include/uapi/linux/usb/video.h new file mode 100644 index 000000000000..3b3b95e01f71 --- /dev/null +++ b/include/uapi/linux/usb/video.h @@ -0,0 +1,568 @@ +/* + * USB Video Class definitions. + * + * Copyright (C) 2009 Laurent Pinchart <laurent.pinchart@skynet.be> + * + * This file holds USB constants and structures defined by the USB Device + * Class Definition for Video Devices. Unless otherwise stated, comments + * below reference relevant sections of the USB Video Class 1.1 specification + * available at + * + * http://www.usb.org/developers/devclass_docs/USB_Video_Class_1_1.zip + */ + +#ifndef __LINUX_USB_VIDEO_H +#define __LINUX_USB_VIDEO_H + +#include <linux/types.h> + +/* -------------------------------------------------------------------------- + * UVC constants + */ + +/* A.2. Video Interface Subclass Codes */ +#define UVC_SC_UNDEFINED 0x00 +#define UVC_SC_VIDEOCONTROL 0x01 +#define UVC_SC_VIDEOSTREAMING 0x02 +#define UVC_SC_VIDEO_INTERFACE_COLLECTION 0x03 + +/* A.3. Video Interface Protocol Codes */ +#define UVC_PC_PROTOCOL_UNDEFINED 0x00 + +/* A.5. Video Class-Specific VC Interface Descriptor Subtypes */ +#define UVC_VC_DESCRIPTOR_UNDEFINED 0x00 +#define UVC_VC_HEADER 0x01 +#define UVC_VC_INPUT_TERMINAL 0x02 +#define UVC_VC_OUTPUT_TERMINAL 0x03 +#define UVC_VC_SELECTOR_UNIT 0x04 +#define UVC_VC_PROCESSING_UNIT 0x05 +#define UVC_VC_EXTENSION_UNIT 0x06 + +/* A.6. Video Class-Specific VS Interface Descriptor Subtypes */ +#define UVC_VS_UNDEFINED 0x00 +#define UVC_VS_INPUT_HEADER 0x01 +#define UVC_VS_OUTPUT_HEADER 0x02 +#define UVC_VS_STILL_IMAGE_FRAME 0x03 +#define UVC_VS_FORMAT_UNCOMPRESSED 0x04 +#define UVC_VS_FRAME_UNCOMPRESSED 0x05 +#define UVC_VS_FORMAT_MJPEG 0x06 +#define UVC_VS_FRAME_MJPEG 0x07 +#define UVC_VS_FORMAT_MPEG2TS 0x0a +#define UVC_VS_FORMAT_DV 0x0c +#define UVC_VS_COLORFORMAT 0x0d +#define UVC_VS_FORMAT_FRAME_BASED 0x10 +#define UVC_VS_FRAME_FRAME_BASED 0x11 +#define UVC_VS_FORMAT_STREAM_BASED 0x12 + +/* A.7. Video Class-Specific Endpoint Descriptor Subtypes */ +#define UVC_EP_UNDEFINED 0x00 +#define UVC_EP_GENERAL 0x01 +#define UVC_EP_ENDPOINT 0x02 +#define UVC_EP_INTERRUPT 0x03 + +/* A.8. Video Class-Specific Request Codes */ +#define UVC_RC_UNDEFINED 0x00 +#define UVC_SET_CUR 0x01 +#define UVC_GET_CUR 0x81 +#define UVC_GET_MIN 0x82 +#define UVC_GET_MAX 0x83 +#define UVC_GET_RES 0x84 +#define UVC_GET_LEN 0x85 +#define UVC_GET_INFO 0x86 +#define UVC_GET_DEF 0x87 + +/* A.9.1. VideoControl Interface Control Selectors */ +#define UVC_VC_CONTROL_UNDEFINED 0x00 +#define UVC_VC_VIDEO_POWER_MODE_CONTROL 0x01 +#define UVC_VC_REQUEST_ERROR_CODE_CONTROL 0x02 + +/* A.9.2. Terminal Control Selectors */ +#define UVC_TE_CONTROL_UNDEFINED 0x00 + +/* A.9.3. Selector Unit Control Selectors */ +#define UVC_SU_CONTROL_UNDEFINED 0x00 +#define UVC_SU_INPUT_SELECT_CONTROL 0x01 + +/* A.9.4. Camera Terminal Control Selectors */ +#define UVC_CT_CONTROL_UNDEFINED 0x00 +#define UVC_CT_SCANNING_MODE_CONTROL 0x01 +#define UVC_CT_AE_MODE_CONTROL 0x02 +#define UVC_CT_AE_PRIORITY_CONTROL 0x03 +#define UVC_CT_EXPOSURE_TIME_ABSOLUTE_CONTROL 0x04 +#define UVC_CT_EXPOSURE_TIME_RELATIVE_CONTROL 0x05 +#define UVC_CT_FOCUS_ABSOLUTE_CONTROL 0x06 +#define UVC_CT_FOCUS_RELATIVE_CONTROL 0x07 +#define UVC_CT_FOCUS_AUTO_CONTROL 0x08 +#define UVC_CT_IRIS_ABSOLUTE_CONTROL 0x09 +#define UVC_CT_IRIS_RELATIVE_CONTROL 0x0a +#define UVC_CT_ZOOM_ABSOLUTE_CONTROL 0x0b +#define UVC_CT_ZOOM_RELATIVE_CONTROL 0x0c +#define UVC_CT_PANTILT_ABSOLUTE_CONTROL 0x0d +#define UVC_CT_PANTILT_RELATIVE_CONTROL 0x0e +#define UVC_CT_ROLL_ABSOLUTE_CONTROL 0x0f +#define UVC_CT_ROLL_RELATIVE_CONTROL 0x10 +#define UVC_CT_PRIVACY_CONTROL 0x11 + +/* A.9.5. Processing Unit Control Selectors */ +#define UVC_PU_CONTROL_UNDEFINED 0x00 +#define UVC_PU_BACKLIGHT_COMPENSATION_CONTROL 0x01 +#define UVC_PU_BRIGHTNESS_CONTROL 0x02 +#define UVC_PU_CONTRAST_CONTROL 0x03 +#define UVC_PU_GAIN_CONTROL 0x04 +#define UVC_PU_POWER_LINE_FREQUENCY_CONTROL 0x05 +#define UVC_PU_HUE_CONTROL 0x06 +#define UVC_PU_SATURATION_CONTROL 0x07 +#define UVC_PU_SHARPNESS_CONTROL 0x08 +#define UVC_PU_GAMMA_CONTROL 0x09 +#define UVC_PU_WHITE_BALANCE_TEMPERATURE_CONTROL 0x0a +#define UVC_PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL 0x0b +#define UVC_PU_WHITE_BALANCE_COMPONENT_CONTROL 0x0c +#define UVC_PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL 0x0d +#define UVC_PU_DIGITAL_MULTIPLIER_CONTROL 0x0e +#define UVC_PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL 0x0f +#define UVC_PU_HUE_AUTO_CONTROL 0x10 +#define UVC_PU_ANALOG_VIDEO_STANDARD_CONTROL 0x11 +#define UVC_PU_ANALOG_LOCK_STATUS_CONTROL 0x12 + +/* A.9.7. VideoStreaming Interface Control Selectors */ +#define UVC_VS_CONTROL_UNDEFINED 0x00 +#define UVC_VS_PROBE_CONTROL 0x01 +#define UVC_VS_COMMIT_CONTROL 0x02 +#define UVC_VS_STILL_PROBE_CONTROL 0x03 +#define UVC_VS_STILL_COMMIT_CONTROL 0x04 +#define UVC_VS_STILL_IMAGE_TRIGGER_CONTROL 0x05 +#define UVC_VS_STREAM_ERROR_CODE_CONTROL 0x06 +#define UVC_VS_GENERATE_KEY_FRAME_CONTROL 0x07 +#define UVC_VS_UPDATE_FRAME_SEGMENT_CONTROL 0x08 +#define UVC_VS_SYNC_DELAY_CONTROL 0x09 + +/* B.1. USB Terminal Types */ +#define UVC_TT_VENDOR_SPECIFIC 0x0100 +#define UVC_TT_STREAMING 0x0101 + +/* B.2. Input Terminal Types */ +#define UVC_ITT_VENDOR_SPECIFIC 0x0200 +#define UVC_ITT_CAMERA 0x0201 +#define UVC_ITT_MEDIA_TRANSPORT_INPUT 0x0202 + +/* B.3. Output Terminal Types */ +#define UVC_OTT_VENDOR_SPECIFIC 0x0300 +#define UVC_OTT_DISPLAY 0x0301 +#define UVC_OTT_MEDIA_TRANSPORT_OUTPUT 0x0302 + +/* B.4. External Terminal Types */ +#define UVC_EXTERNAL_VENDOR_SPECIFIC 0x0400 +#define UVC_COMPOSITE_CONNECTOR 0x0401 +#define UVC_SVIDEO_CONNECTOR 0x0402 +#define UVC_COMPONENT_CONNECTOR 0x0403 + +/* 2.4.2.2. Status Packet Type */ +#define UVC_STATUS_TYPE_CONTROL 1 +#define UVC_STATUS_TYPE_STREAMING 2 + +/* 2.4.3.3. Payload Header Information */ +#define UVC_STREAM_EOH (1 << 7) +#define UVC_STREAM_ERR (1 << 6) +#define UVC_STREAM_STI (1 << 5) +#define UVC_STREAM_RES (1 << 4) +#define UVC_STREAM_SCR (1 << 3) +#define UVC_STREAM_PTS (1 << 2) +#define UVC_STREAM_EOF (1 << 1) +#define UVC_STREAM_FID (1 << 0) + +/* 4.1.2. Control Capabilities */ +#define UVC_CONTROL_CAP_GET (1 << 0) +#define UVC_CONTROL_CAP_SET (1 << 1) +#define UVC_CONTROL_CAP_DISABLED (1 << 2) +#define UVC_CONTROL_CAP_AUTOUPDATE (1 << 3) +#define UVC_CONTROL_CAP_ASYNCHRONOUS (1 << 4) + +/* ------------------------------------------------------------------------ + * UVC structures + */ + +/* All UVC descriptors have these 3 fields at the beginning */ +struct uvc_descriptor_header { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; +} __attribute__((packed)); + +/* 3.7.2. Video Control Interface Header Descriptor */ +struct uvc_header_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u16 bcdUVC; + __u16 wTotalLength; + __u32 dwClockFrequency; + __u8 bInCollection; + __u8 baInterfaceNr[]; +} __attribute__((__packed__)); + +#define UVC_DT_HEADER_SIZE(n) (12+(n)) + +#define UVC_HEADER_DESCRIPTOR(n) \ + uvc_header_descriptor_##n + +#define DECLARE_UVC_HEADER_DESCRIPTOR(n) \ +struct UVC_HEADER_DESCRIPTOR(n) { \ + __u8 bLength; \ + __u8 bDescriptorType; \ + __u8 bDescriptorSubType; \ + __u16 bcdUVC; \ + __u16 wTotalLength; \ + __u32 dwClockFrequency; \ + __u8 bInCollection; \ + __u8 baInterfaceNr[n]; \ +} __attribute__ ((packed)) + +/* 3.7.2.1. Input Terminal Descriptor */ +struct uvc_input_terminal_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u8 bTerminalID; + __u16 wTerminalType; + __u8 bAssocTerminal; + __u8 iTerminal; +} __attribute__((__packed__)); + +#define UVC_DT_INPUT_TERMINAL_SIZE 8 + +/* 3.7.2.2. Output Terminal Descriptor */ +struct uvc_output_terminal_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u8 bTerminalID; + __u16 wTerminalType; + __u8 bAssocTerminal; + __u8 bSourceID; + __u8 iTerminal; +} __attribute__((__packed__)); + +#define UVC_DT_OUTPUT_TERMINAL_SIZE 9 + +/* 3.7.2.3. Camera Terminal Descriptor */ +struct uvc_camera_terminal_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u8 bTerminalID; + __u16 wTerminalType; + __u8 bAssocTerminal; + __u8 iTerminal; + __u16 wObjectiveFocalLengthMin; + __u16 wObjectiveFocalLengthMax; + __u16 wOcularFocalLength; + __u8 bControlSize; + __u8 bmControls[3]; +} __attribute__((__packed__)); + +#define UVC_DT_CAMERA_TERMINAL_SIZE(n) (15+(n)) + +/* 3.7.2.4. Selector Unit Descriptor */ +struct uvc_selector_unit_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u8 bUnitID; + __u8 bNrInPins; + __u8 baSourceID[0]; + __u8 iSelector; +} __attribute__((__packed__)); + +#define UVC_DT_SELECTOR_UNIT_SIZE(n) (6+(n)) + +#define UVC_SELECTOR_UNIT_DESCRIPTOR(n) \ + uvc_selector_unit_descriptor_##n + +#define DECLARE_UVC_SELECTOR_UNIT_DESCRIPTOR(n) \ +struct UVC_SELECTOR_UNIT_DESCRIPTOR(n) { \ + __u8 bLength; \ + __u8 bDescriptorType; \ + __u8 bDescriptorSubType; \ + __u8 bUnitID; \ + __u8 bNrInPins; \ + __u8 baSourceID[n]; \ + __u8 iSelector; \ +} __attribute__ ((packed)) + +/* 3.7.2.5. Processing Unit Descriptor */ +struct uvc_processing_unit_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u8 bUnitID; + __u8 bSourceID; + __u16 wMaxMultiplier; + __u8 bControlSize; + __u8 bmControls[2]; + __u8 iProcessing; +} __attribute__((__packed__)); + +#define UVC_DT_PROCESSING_UNIT_SIZE(n) (9+(n)) + +/* 3.7.2.6. Extension Unit Descriptor */ +struct uvc_extension_unit_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u8 bUnitID; + __u8 guidExtensionCode[16]; + __u8 bNumControls; + __u8 bNrInPins; + __u8 baSourceID[0]; + __u8 bControlSize; + __u8 bmControls[0]; + __u8 iExtension; +} __attribute__((__packed__)); + +#define UVC_DT_EXTENSION_UNIT_SIZE(p, n) (24+(p)+(n)) + +#define UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \ + uvc_extension_unit_descriptor_##p_##n + +#define DECLARE_UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \ +struct UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) { \ + __u8 bLength; \ + __u8 bDescriptorType; \ + __u8 bDescriptorSubType; \ + __u8 bUnitID; \ + __u8 guidExtensionCode[16]; \ + __u8 bNumControls; \ + __u8 bNrInPins; \ + __u8 baSourceID[p]; \ + __u8 bControlSize; \ + __u8 bmControls[n]; \ + __u8 iExtension; \ +} __attribute__ ((packed)) + +/* 3.8.2.2. Video Control Interrupt Endpoint Descriptor */ +struct uvc_control_endpoint_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u16 wMaxTransferSize; +} __attribute__((__packed__)); + +#define UVC_DT_CONTROL_ENDPOINT_SIZE 5 + +/* 3.9.2.1. Input Header Descriptor */ +struct uvc_input_header_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u8 bNumFormats; + __u16 wTotalLength; + __u8 bEndpointAddress; + __u8 bmInfo; + __u8 bTerminalLink; + __u8 bStillCaptureMethod; + __u8 bTriggerSupport; + __u8 bTriggerUsage; + __u8 bControlSize; + __u8 bmaControls[]; +} __attribute__((__packed__)); + +#define UVC_DT_INPUT_HEADER_SIZE(n, p) (13+(n*p)) + +#define UVC_INPUT_HEADER_DESCRIPTOR(n, p) \ + uvc_input_header_descriptor_##n_##p + +#define DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(n, p) \ +struct UVC_INPUT_HEADER_DESCRIPTOR(n, p) { \ + __u8 bLength; \ + __u8 bDescriptorType; \ + __u8 bDescriptorSubType; \ + __u8 bNumFormats; \ + __u16 wTotalLength; \ + __u8 bEndpointAddress; \ + __u8 bmInfo; \ + __u8 bTerminalLink; \ + __u8 bStillCaptureMethod; \ + __u8 bTriggerSupport; \ + __u8 bTriggerUsage; \ + __u8 bControlSize; \ + __u8 bmaControls[p][n]; \ +} __attribute__ ((packed)) + +/* 3.9.2.2. Output Header Descriptor */ +struct uvc_output_header_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u8 bNumFormats; + __u16 wTotalLength; + __u8 bEndpointAddress; + __u8 bTerminalLink; + __u8 bControlSize; + __u8 bmaControls[]; +} __attribute__((__packed__)); + +#define UVC_DT_OUTPUT_HEADER_SIZE(n, p) (9+(n*p)) + +#define UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \ + uvc_output_header_descriptor_##n_##p + +#define DECLARE_UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \ +struct UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) { \ + __u8 bLength; \ + __u8 bDescriptorType; \ + __u8 bDescriptorSubType; \ + __u8 bNumFormats; \ + __u16 wTotalLength; \ + __u8 bEndpointAddress; \ + __u8 bTerminalLink; \ + __u8 bControlSize; \ + __u8 bmaControls[p][n]; \ +} __attribute__ ((packed)) + +/* 3.9.2.6. Color matching descriptor */ +struct uvc_color_matching_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u8 bColorPrimaries; + __u8 bTransferCharacteristics; + __u8 bMatrixCoefficients; +} __attribute__((__packed__)); + +#define UVC_DT_COLOR_MATCHING_SIZE 6 + +/* 4.3.1.1. Video Probe and Commit Controls */ +struct uvc_streaming_control { + __u16 bmHint; + __u8 bFormatIndex; + __u8 bFrameIndex; + __u32 dwFrameInterval; + __u16 wKeyFrameRate; + __u16 wPFrameRate; + __u16 wCompQuality; + __u16 wCompWindowSize; + __u16 wDelay; + __u32 dwMaxVideoFrameSize; + __u32 dwMaxPayloadTransferSize; + __u32 dwClockFrequency; + __u8 bmFramingInfo; + __u8 bPreferedVersion; + __u8 bMinVersion; + __u8 bMaxVersion; +} __attribute__((__packed__)); + +/* Uncompressed Payload - 3.1.1. Uncompressed Video Format Descriptor */ +struct uvc_format_uncompressed { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u8 bFormatIndex; + __u8 bNumFrameDescriptors; + __u8 guidFormat[16]; + __u8 bBitsPerPixel; + __u8 bDefaultFrameIndex; + __u8 bAspectRatioX; + __u8 bAspectRatioY; + __u8 bmInterfaceFlags; + __u8 bCopyProtect; +} __attribute__((__packed__)); + +#define UVC_DT_FORMAT_UNCOMPRESSED_SIZE 27 + +/* Uncompressed Payload - 3.1.2. Uncompressed Video Frame Descriptor */ +struct uvc_frame_uncompressed { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u8 bFrameIndex; + __u8 bmCapabilities; + __u16 wWidth; + __u16 wHeight; + __u32 dwMinBitRate; + __u32 dwMaxBitRate; + __u32 dwMaxVideoFrameBufferSize; + __u32 dwDefaultFrameInterval; + __u8 bFrameIntervalType; + __u32 dwFrameInterval[]; +} __attribute__((__packed__)); + +#define UVC_DT_FRAME_UNCOMPRESSED_SIZE(n) (26+4*(n)) + +#define UVC_FRAME_UNCOMPRESSED(n) \ + uvc_frame_uncompressed_##n + +#define DECLARE_UVC_FRAME_UNCOMPRESSED(n) \ +struct UVC_FRAME_UNCOMPRESSED(n) { \ + __u8 bLength; \ + __u8 bDescriptorType; \ + __u8 bDescriptorSubType; \ + __u8 bFrameIndex; \ + __u8 bmCapabilities; \ + __u16 wWidth; \ + __u16 wHeight; \ + __u32 dwMinBitRate; \ + __u32 dwMaxBitRate; \ + __u32 dwMaxVideoFrameBufferSize; \ + __u32 dwDefaultFrameInterval; \ + __u8 bFrameIntervalType; \ + __u32 dwFrameInterval[n]; \ +} __attribute__ ((packed)) + +/* MJPEG Payload - 3.1.1. MJPEG Video Format Descriptor */ +struct uvc_format_mjpeg { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u8 bFormatIndex; + __u8 bNumFrameDescriptors; + __u8 bmFlags; + __u8 bDefaultFrameIndex; + __u8 bAspectRatioX; + __u8 bAspectRatioY; + __u8 bmInterfaceFlags; + __u8 bCopyProtect; +} __attribute__((__packed__)); + +#define UVC_DT_FORMAT_MJPEG_SIZE 11 + +/* MJPEG Payload - 3.1.2. MJPEG Video Frame Descriptor */ +struct uvc_frame_mjpeg { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + __u8 bFrameIndex; + __u8 bmCapabilities; + __u16 wWidth; + __u16 wHeight; + __u32 dwMinBitRate; + __u32 dwMaxBitRate; + __u32 dwMaxVideoFrameBufferSize; + __u32 dwDefaultFrameInterval; + __u8 bFrameIntervalType; + __u32 dwFrameInterval[]; +} __attribute__((__packed__)); + +#define UVC_DT_FRAME_MJPEG_SIZE(n) (26+4*(n)) + +#define UVC_FRAME_MJPEG(n) \ + uvc_frame_mjpeg_##n + +#define DECLARE_UVC_FRAME_MJPEG(n) \ +struct UVC_FRAME_MJPEG(n) { \ + __u8 bLength; \ + __u8 bDescriptorType; \ + __u8 bDescriptorSubType; \ + __u8 bFrameIndex; \ + __u8 bmCapabilities; \ + __u16 wWidth; \ + __u16 wHeight; \ + __u32 dwMinBitRate; \ + __u32 dwMaxBitRate; \ + __u32 dwMaxVideoFrameBufferSize; \ + __u32 dwDefaultFrameInterval; \ + __u8 bFrameIntervalType; \ + __u32 dwFrameInterval[n]; \ +} __attribute__ ((packed)) + +#endif /* __LINUX_USB_VIDEO_H */ + |