/* $OpenBSD: usb.h,v 1.10 2000/07/04 11:44:24 fgsch Exp $ */ /* $NetBSD: usb.h,v 1.44 2000/04/03 13:40:05 augustss Exp $ */ /* $FreeBSD: src/sys/dev/usb/usb.h,v 1.14 1999/11/17 22:33:46 n_hibma Exp $ */ /* * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Lennart Augustsson (lennart@augustsson.net) at * Carlstedt Research & Technology. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _USB_H_ #define _USB_H_ #include #include #if defined(__NetBSD__) || defined(__OpenBSD__) #include #if defined(_KERNEL) #include #endif /* _KERNEL */ #elif defined(__FreeBSD__) #if defined(KERNEL) #include MALLOC_DECLARE(M_USB); MALLOC_DECLARE(M_USBDEV); MALLOC_DECLARE(M_USBHC); #include #endif /* KERNEL */ #endif /* __FreeBSD__ */ #define USB_MAX_DEVICES 128 #define USB_START_ADDR 0 #define USB_CONTROL_ENDPOINT 0 #define USB_MAX_ENDPOINTS 16 #define USB_FRAMES_PER_SECOND 1000 /* * The USB records contain some unaligned little-endian word * components. The U[SG]ETW macros take care of both the alignment * and endian problem and should always be used to access non-byte * values. */ typedef u_int8_t uByte; typedef u_int8_t uWord[2]; typedef u_int8_t uDWord[4]; #define USETW2(w,h,l) ((w)[0] = (u_int8_t)(l), (w)[1] = (u_int8_t)(h)) #if 1 #define UGETW(w) ((w)[0] | ((w)[1] << 8)) #define USETW(w,v) ((w)[0] = (u_int8_t)(v), (w)[1] = (u_int8_t)((v) >> 8)) #define UGETDW(w) ((w)[0] | ((w)[1] << 8) | ((w)[2] << 16) | ((w)[3] << 24)) #define USETDW(w,v) ((w)[0] = (u_int8_t)(v), \ (w)[1] = (u_int8_t)((v) >> 8), \ (w)[2] = (u_int8_t)((v) >> 16), \ (w)[3] = (u_int8_t)((v) >> 24)) #else /* * On little-endian machines that can handle unanliged accesses * (e.g. i386) these macros can be replaced by the following. */ #define UGETW(w) (*(u_int16_t *)(w)) #define USETW(w,v) (*(u_int16_t *)(w) = (v)) #define UGETDW(w) (*(u_int32_t *)(w)) #define USETDW(w,v) (*(u_int32_t *)(w) = (v)) #endif #define UPACKED __attribute__((__packed__)) typedef struct { uByte bmRequestType; uByte bRequest; uWord wValue; uWord wIndex; uWord wLength; } UPACKED usb_device_request_t; #define UT_WRITE 0x00 #define UT_READ 0x80 #define UT_STANDARD 0x00 #define UT_CLASS 0x20 #define UT_VENDOR 0x40 #define UT_DEVICE 0x00 #define UT_INTERFACE 0x01 #define UT_ENDPOINT 0x02 #define UT_OTHER 0x03 #define UT_READ_DEVICE (UT_READ | UT_STANDARD | UT_DEVICE) #define UT_READ_INTERFACE (UT_READ | UT_STANDARD | UT_INTERFACE) #define UT_READ_ENDPOINT (UT_READ | UT_STANDARD | UT_ENDPOINT) #define UT_WRITE_DEVICE (UT_WRITE | UT_STANDARD | UT_DEVICE) #define UT_WRITE_INTERFACE (UT_WRITE | UT_STANDARD | UT_INTERFACE) #define UT_WRITE_ENDPOINT (UT_WRITE | UT_STANDARD | UT_ENDPOINT) #define UT_READ_CLASS_DEVICE (UT_READ | UT_CLASS | UT_DEVICE) #define UT_READ_CLASS_INTERFACE (UT_READ | UT_CLASS | UT_INTERFACE) #define UT_READ_CLASS_OTHER (UT_READ | UT_CLASS | UT_OTHER) #define UT_READ_CLASS_ENDPOINT (UT_READ | UT_CLASS | UT_ENDPOINT) #define UT_WRITE_CLASS_DEVICE (UT_WRITE | UT_CLASS | UT_DEVICE) #define UT_WRITE_CLASS_INTERFACE (UT_WRITE | UT_CLASS | UT_INTERFACE) #define UT_WRITE_CLASS_OTHER (UT_WRITE | UT_CLASS | UT_OTHER) #define UT_WRITE_CLASS_ENDPOINT (UT_WRITE | UT_CLASS | UT_ENDPOINT) #define UT_READ_VENDOR_DEVICE (UT_READ | UT_VENDOR | UT_DEVICE) #define UT_READ_VENDOR_INTERFACE (UT_READ | UT_VENDOR | UT_INTERFACE) #define UT_READ_VENDOR_OTHER (UT_READ | UT_VENDOR | UT_OTHER) #define UT_READ_VENDOR_ENDPOINT (UT_READ | UT_VENDOR | UT_ENDPOINT) #define UT_WRITE_VENDOR_DEVICE (UT_WRITE | UT_VENDOR | UT_DEVICE) #define UT_WRITE_VENDOR_INTERFACE (UT_WRITE | UT_VENDOR | UT_INTERFACE) #define UT_WRITE_VENDOR_OTHER (UT_WRITE | UT_VENDOR | UT_OTHER) #define UT_WRITE_VENDOR_ENDPOINT (UT_WRITE | UT_VENDOR | UT_ENDPOINT) /* Requests */ #define UR_GET_STATUS 0x00 #define UR_CLEAR_FEATURE 0x01 #define UR_SET_FEATURE 0x03 #define UR_SET_ADDRESS 0x05 #define UR_GET_DESCRIPTOR 0x06 #define UDESC_DEVICE 0x01 #define UDESC_CONFIG 0x02 #define UDESC_STRING 0x03 #define UDESC_INTERFACE 0x04 #define UDESC_ENDPOINT 0x05 #define UDESC_CS_DEVICE 0x21 /* class specific */ #define UDESC_CS_CONFIG 0x22 #define UDESC_CS_STRING 0x23 #define UDESC_CS_INTERFACE 0x24 #define UDESC_CS_ENDPOINT 0x25 #define UDESC_HUB 0x29 #define UR_SET_DESCRIPTOR 0x07 #define UR_GET_CONFIG 0x08 #define UR_SET_CONFIG 0x09 #define UR_GET_INTERFACE 0x0a #define UR_SET_INTERFACE 0x0b #define UR_SYNCH_FRAME 0x0c /* Feature numbers */ #define UF_ENDPOINT_HALT 0 #define UF_DEVICE_REMOTE_WAKEUP 1 #define USB_MAX_IPACKET 8 /* maximum size of the initial packet */ typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; } UPACKED usb_descriptor_t; typedef struct { uByte bLength; uByte bDescriptorType; uWord bcdUSB; uByte bDeviceClass; uByte bDeviceSubClass; uByte bDeviceProtocol; uByte bMaxPacketSize; /* The fields below are not part of the initial descriptor. */ uWord idVendor; uWord idProduct; uWord bcdDevice; uByte iManufacturer; uByte iProduct; uByte iSerialNumber; uByte bNumConfigurations; } UPACKED usb_device_descriptor_t; #define USB_DEVICE_DESCRIPTOR_SIZE 18 typedef struct { uByte bLength; uByte bDescriptorType; uWord wTotalLength; uByte bNumInterface; uByte bConfigurationValue; uByte iConfiguration; uByte bmAttributes; #define UC_BUS_POWERED 0x80 #define UC_SELF_POWERED 0x40 #define UC_REMOTE_WAKEUP 0x20 uByte bMaxPower; /* max current in 2 mA units */ #define UC_POWER_FACTOR 2 } UPACKED usb_config_descriptor_t; #define USB_CONFIG_DESCRIPTOR_SIZE 9 typedef struct { uByte bLength; uByte bDescriptorType; uByte bInterfaceNumber; uByte bAlternateSetting; uByte bNumEndpoints; uByte bInterfaceClass; uByte bInterfaceSubClass; uByte bInterfaceProtocol; uByte iInterface; } UPACKED usb_interface_descriptor_t; #define USB_INTERFACE_DESCRIPTOR_SIZE 9 typedef struct { uByte bLength; uByte bDescriptorType; uByte bEndpointAddress; #define UE_GET_DIR(a) ((a) & 0x80) #define UE_SET_DIR(a,d) ((a) | (((d)&1) << 7)) #define UE_DIR_IN 0x80 #define UE_DIR_OUT 0x00 #define UE_ADDR 0x0f #define UE_GET_ADDR(a) ((a) & UE_ADDR) uByte bmAttributes; #define UE_XFERTYPE 0x03 #define UE_CONTROL 0x00 #define UE_ISOCHRONOUS 0x01 #define UE_BULK 0x02 #define UE_INTERRUPT 0x03 #define UE_GET_XFERTYPE(a) ((a) & UE_XFERTYPE) #define UE_ISO_TYPE 0x0c #define UE_ISO_ASYNC 0x04 #define UE_ISO_ADAPT 0x08 #define UE_ISO_SYNC 0x0c #define UE_GET_ISO_TYPE(a) ((a) & UE_ISO_TYPE) uWord wMaxPacketSize; uByte bInterval; } UPACKED usb_endpoint_descriptor_t; #define USB_ENDPOINT_DESCRIPTOR_SIZE 7 typedef struct { uByte bLength; uByte bDescriptorType; uWord bString[127]; } UPACKED usb_string_descriptor_t; #define USB_MAX_STRING_LEN 128 #define USB_LANGUAGE_TABLE 0 /* # of the string language id table */ /* Hub specific request */ #define UR_GET_BUS_STATE 0x02 /* Hub features */ #define UHF_C_HUB_LOCAL_POWER 0 #define UHF_C_HUB_OVER_CURRENT 1 #define UHF_PORT_CONNECTION 0 #define UHF_PORT_ENABLE 1 #define UHF_PORT_SUSPEND 2 #define UHF_PORT_OVER_CURRENT 3 #define UHF_PORT_RESET 4 #define UHF_PORT_POWER 8 #define UHF_PORT_LOW_SPEED 9 #define UHF_C_PORT_CONNECTION 16 #define UHF_C_PORT_ENABLE 17 #define UHF_C_PORT_SUSPEND 18 #define UHF_C_PORT_OVER_CURRENT 19 #define UHF_C_PORT_RESET 20 typedef struct { uByte bDescLength; uByte bDescriptorType; uByte bNbrPorts; uWord wHubCharacteristics; #define UHD_PWR 0x03 #define UHD_PWR_GANGED 0x00 #define UHD_PWR_INDIVIDUAL 0x01 #define UHD_PWR_NO_SWITCH 0x02 #define UHD_COMPOUND 0x04 #define UHD_OC 0x18 #define UHD_OC_GLOBAL 0x00 #define UHD_OC_INDIVIDUAL 0x08 #define UHD_OC_NONE 0x10 uByte bPwrOn2PwrGood; /* delay in 2 ms units */ #define UHD_PWRON_FACTOR 2 uByte bHubContrCurrent; uByte DeviceRemovable[32]; /* max 255 ports */ #define UHD_NOT_REMOV(desc, i) \ (((desc)->DeviceRemovable[(i)/8] >> ((i) % 8)) & 1) /* deprecated */ uByte PortPowerCtrlMask[1]; } UPACKED usb_hub_descriptor_t; #define USB_HUB_DESCRIPTOR_SIZE 9 /* includes deprecated PortPowerCtrlMask */ typedef struct { uWord wStatus; /* Device status flags */ #define UDS_SELF_POWERED 0x0001 #define UDS_REMOTE_WAKEUP 0x0002 /* Endpoint status flags */ #define UES_HALT 0x0001 } UPACKED usb_status_t; typedef struct { uWord wHubStatus; #define UHS_LOCAL_POWER 0x0001 #define UHS_OVER_CURRENT 0x0002 uWord wHubChange; } UPACKED usb_hub_status_t; typedef struct { uWord wPortStatus; #define UPS_CURRENT_CONNECT_STATUS 0x0001 #define UPS_PORT_ENABLED 0x0002 #define UPS_SUSPEND 0x0004 #define UPS_OVERCURRENT_INDICATOR 0x0008 #define UPS_RESET 0x0010 #define UPS_PORT_POWER 0x0100 #define UPS_LOW_SPEED 0x0200 uWord wPortChange; #define UPS_C_CONNECT_STATUS 0x0001 #define UPS_C_PORT_ENABLED 0x0002 #define UPS_C_SUSPEND 0x0004 #define UPS_C_OVERCURRENT_INDICATOR 0x0008 #define UPS_C_PORT_RESET 0x0010 } UPACKED usb_port_status_t; /* Device class codes */ #define UDCLASS_AUDIO 0x00 #define UDCLASS_COMM 0x02 #define UDCLASS_HID 0x00 #define UDCLASS_HUB 0x09 #define UDSUBCLASS_HUB 0 #define UDCLASS_MASS 0x00 /* Interface class codes */ #define UICLASS_UNSPEC 0x00 #define UICLASS_AUDIO 0x01 #define UISUBCLASS_AUDIOCONTROL 1 #define UISUBCLASS_AUDIOSTREAM 2 #define UISUBCLASS_MIDISTREAM 3 #define UICLASS_CDC 0x02 /* communication */ #define UISUBCLASS_DIRECT_LINE_CONTROL_MODEL 1 #define UISUBCLASS_ABSTRACT_CONTROL_MODEL 2 #define UISUBCLASS_TELEPHONE_CONTROL_MODEL 3 #define UISUBCLASS_MULTICHANNEL_CONTROL_MODEL 4 #define UISUBCLASS_CAPI_CONTROLMODEL 5 #define UISUBCLASS_ETHERNET_NETWORKING_CONTROL_MODEL 6 #define UISUBCLASS_ATM_NETWORKING_CONTROL_MODEL 7 #define UIPROTO_CDC_AT 1 #define UICLASS_HID 0x03 #define UISUBCLASS_BOOT 1 #define UIPROTO_BOOT_KEYBOARD 1 #define UICLASS_PHYSICAL 0x05 #define UICLASS_PRINTER 0x07 #define UISUBCLASS_PRINTER 1 #define UIPROTO_PRINTER_UNI 1 #define UIPROTO_PRINTER_BI 2 #define UICLASS_MASS 0x08 #define UISUBCLASS_RBC 1 #define UISUBCLASS_SFF8020I 2 #define UISUBCLASS_QIC157 3 #define UISUBCLASS_UFI 4 #define UISUBCLASS_SFF8070I 5 #define UISUBCLASS_SCSI 6 #define UIPROTO_MASS_CBI_I 0 #define UIPROTO_MASS_CBI 1 #define UIPROTO_MASS_BBB 2 #define UIPROTO_MASS_BBB_P 80 /* 'P' for the Iomega Zip drive */ #define UICLASS_HUB 0x09 #define UISUBCLASS_HUB 0 #define UICLASS_CDC_DATA 0x0a #define UISUBCLASS_DATA 0 #define UIPROTO_DATA_ISDNBRI 0x30 /* Physical iface */ #define UIPROTO_DATA_HDLC 0x31 /* HDLC */ #define UIPROTO_DATA_TRANSPARENT 0x32 /* Transparent */ #define UIPROTO_DATA_Q921M 0x50 /* Management for Q921 */ #define UIPROTO_DATA_Q921 0x51 /* Data for Q921 */ #define UIPROTO_DATA_Q921TM 0x52 /* TEI multiplexer for Q921 */ #define UIPROTO_DATA_V42BIS 0x90 /* Data compression */ #define UIPROTO_DATA_Q931 0x91 /* Euro-ISDN */ #define UIPROTO_DATA_V120 0x92 /* V.24 rate adaption */ #define UIPROTO_DATA_CAPI 0x93 /* CAPI 2.0 commands */ #define UIPROTO_DATA_HOST_BASED 0xfd /* Host based driver */ #define UIPROTO_DATA_PUF 0xfe /* see Prot. Unit Func. Desc.*/ #define UIPROTO_DATA_VENDOR 0xff /* Vendor specific */ #define UICLASS_FIRM_UPD 0x0c #define UICLASS_APPL_SPEC 0xfe #define UICLASS_VENDOR 0xff #define USB_HUB_MAX_DEPTH 5 /* * Minimum time a device needs to be powered down to go through * a power cycle. XXX Are these time in the spec? */ #define USB_POWER_DOWN_TIME 200 /* ms */ #define USB_PORT_POWER_DOWN_TIME 100 /* ms */ #if 0 /* These are the values from the spec. */ #define USB_PORT_RESET_DELAY 10 /* ms */ #define USB_PORT_RESET_SETTLE 10 /* ms */ #define USB_PORT_POWERUP_DELAY 100 /* ms */ #define USB_SET_ADDRESS_SETTLE 2 /* ms */ #define USB_RESUME_DELAY (20*5) /* ms */ #define USB_RESUME_WAIT 10 /* ms */ #define USB_RESUME_RECOVERY 10 /* ms */ #define USB_EXTRA_POWER_UP_TIME 0 /* ms */ #else /* Allow for marginal (i.e. non-conforming) devices. */ #define USB_PORT_RESET_DELAY 50 /* ms */ #define USB_PORT_RESET_RECOVERY 50 /* ms */ #define USB_PORT_POWERUP_DELAY 200 /* ms */ #define USB_SET_ADDRESS_SETTLE 10 /* ms */ #define USB_RESUME_DELAY (50*5) /* ms */ #define USB_RESUME_WAIT 50 /* ms */ #define USB_RESUME_RECOVERY 50 /* ms */ #define USB_EXTRA_POWER_UP_TIME 20 /* ms */ #endif #define USB_MIN_POWER 100 /* mA */ #define USB_MAX_POWER 500 /* mA */ #define USB_BUS_RESET_DELAY 100 /* ms XXX?*/ #define USB_UNCONFIG_NO 0 #define USB_UNCONFIG_INDEX (-1) /*** ioctl() related stuff ***/ struct usb_ctl_request { int addr; usb_device_request_t request; void *data; int flags; #define USBD_SHORT_XFER_OK 0x04 /* allow short reads */ int actlen; /* actual length transferred */ }; struct usb_alt_interface { int config_index; int interface_index; int alt_no; }; #define USB_CURRENT_CONFIG_INDEX (-1) #define USB_CURRENT_ALT_INDEX (-1) struct usb_config_desc { int config_index; usb_config_descriptor_t desc; }; struct usb_interface_desc { int config_index; int interface_index; int alt_index; usb_interface_descriptor_t desc; }; struct usb_endpoint_desc { int config_index; int interface_index; int alt_index; int endpoint_index; usb_endpoint_descriptor_t desc; }; struct usb_full_desc { int config_index; u_int size; u_char *data; }; struct usb_string_desc { int string_index; int language_id; usb_string_descriptor_t desc; }; struct usb_ctl_report_desc { int size; u_char data[1024]; /* filled data size will vary */ }; typedef struct { u_int32_t cookie; } usb_event_cookie_t; #define USB_MAX_DEVNAMES 4 #define USB_MAX_DEVNAMELEN 16 struct usb_device_info { u_int8_t bus; u_int8_t addr; /* device address */ usb_event_cookie_t cookie; char product[USB_MAX_STRING_LEN]; char vendor[USB_MAX_STRING_LEN]; char release[8]; u_int16_t productNo; u_int16_t vendorNo; u_int16_t releaseNo; u_int8_t class; u_int8_t subclass; u_int8_t protocol; u_int8_t config; u_int8_t lowspeed; int power; /* power consumption in mA, 0 if selfpowered */ int nports; char devnames[USB_MAX_DEVNAMES][USB_MAX_DEVNAMELEN]; u_int8_t ports[16];/* hub only: addresses of devices on ports */ #define USB_PORT_ENABLED 0xff #define USB_PORT_SUSPENDED 0xfe #define USB_PORT_POWERED 0xfd #define USB_PORT_DISABLED 0xfc }; struct usb_ctl_report { int report; u_char data[1024]; /* filled data size will vary */ }; struct usb_device_stats { u_long requests[4]; /* indexed by transfer type UE_* */ }; /* Events that can be read from /dev/usb */ struct usb_event { int ue_type; #define USB_EVENT_CTRLR_ATTACH 1 #define USB_EVENT_CTRLR_DETACH 2 #define USB_EVENT_DEVICE_ATTACH 3 #define USB_EVENT_DEVICE_DETACH 4 #define USB_EVENT_DRIVER_ATTACH 5 #define USB_EVENT_DRIVER_DETACH 6 struct timespec ue_time; union { struct { int ue_bus; } ue_ctrlr; struct usb_device_info ue_device; struct { usb_event_cookie_t ue_cookie; char ue_devname[16]; } ue_driver; } u; }; /* USB controller */ #define USB_REQUEST _IOWR('U', 1, struct usb_ctl_request) #define USB_SETDEBUG _IOW ('U', 2, int) #define USB_DISCOVER _IO ('U', 3) #define USB_DEVICEINFO _IOWR('U', 4, struct usb_device_info) #define USB_DEVICESTATS _IOR ('U', 5, struct usb_device_stats) /* Generic HID device */ #define USB_GET_REPORT_DESC _IOR ('U', 21, struct usb_ctl_report_desc) #define USB_SET_IMMED _IOW ('U', 22, int) #define USB_GET_REPORT _IOWR('U', 23, struct usb_ctl_report) #define USB_SET_REPORT _IOW ('U', 24, struct usb_ctl_report) /* Generic USB device */ #define USB_GET_CONFIG _IOR ('U', 100, int) #define USB_SET_CONFIG _IOW ('U', 101, int) #define USB_GET_ALTINTERFACE _IOWR('U', 102, struct usb_alt_interface) #define USB_SET_ALTINTERFACE _IOWR('U', 103, struct usb_alt_interface) #define USB_GET_NO_ALT _IOWR('U', 104, struct usb_alt_interface) #define USB_GET_DEVICE_DESC _IOR ('U', 105, usb_device_descriptor_t) #define USB_GET_CONFIG_DESC _IOWR('U', 106, struct usb_config_desc) #define USB_GET_INTERFACE_DESC _IOWR('U', 107, struct usb_interface_desc) #define USB_GET_ENDPOINT_DESC _IOWR('U', 108, struct usb_endpoint_desc) #define USB_GET_FULL_DESC _IOWR('U', 109, struct usb_full_desc) #define USB_GET_STRING_DESC _IOWR('U', 110, struct usb_string_desc) #define USB_DO_REQUEST _IOWR('U', 111, struct usb_ctl_request) #define USB_GET_DEVICEINFO _IOR ('U', 112, struct usb_device_info) #define USB_SET_SHORT_XFER _IOW ('U', 113, int) #define USB_SET_TIMEOUT _IOW ('U', 114, int) /* Modem device */ #define USB_GET_CM_OVER_DATA _IOR ('U', 130, int) #define USB_SET_CM_OVER_DATA _IOW ('U', 131, int) #endif /* _USB_H_ */