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USB: add USB test and measurement class driver
This driver was originaly written by Stefan Kopp, but massively reworked by Greg for submission. Thanks to Felipe Balbi <me@felipebalbi.com> for lots of work in cleaning up this driver. Thanks to Oliver Neukum <oliver@neukum.org> for reviewing previous versions and pointing out problems. Cc: Stefan Kopp <stefan_kopp@agilent.com> Cc: Marcel Janssen <korgull@home.nl> Cc: Felipe Balbi <me@felipebalbi.com> Cc: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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62
Documentation/ABI/stable/sysfs-driver-usb-usbtmc
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62
Documentation/ABI/stable/sysfs-driver-usb-usbtmc
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@ -0,0 +1,62 @@
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What: /sys/bus/usb/drivers/usbtmc/devices/*/interface_capabilities
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What: /sys/bus/usb/drivers/usbtmc/devices/*/device_capabilities
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Date: August 2008
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Contact: Greg Kroah-Hartman <gregkh@suse.de>
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Description:
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These files show the various USB TMC capabilities as described
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by the device itself. The full description of the bitfields
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can be found in the USB TMC documents from the USB-IF entitled
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"Universal Serial Bus Test and Measurement Class Specification
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(USBTMC) Revision 1.0" section 4.2.1.8.
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The files are read only.
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What: /sys/bus/usb/drivers/usbtmc/devices/*/usb488_interface_capabilities
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What: /sys/bus/usb/drivers/usbtmc/devices/*/usb488_device_capabilities
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Date: August 2008
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Contact: Greg Kroah-Hartman <gregkh@suse.de>
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Description:
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These files show the various USB TMC capabilities as described
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by the device itself. The full description of the bitfields
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can be found in the USB TMC documents from the USB-IF entitled
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"Universal Serial Bus Test and Measurement Class, Subclass
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USB488 Specification (USBTMC-USB488) Revision 1.0" section
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4.2.2.
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The files are read only.
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What: /sys/bus/usb/drivers/usbtmc/devices/*/TermChar
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Date: August 2008
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Contact: Greg Kroah-Hartman <gregkh@suse.de>
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Description:
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This file is the TermChar value to be sent to the USB TMC
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device as described by the document, "Universal Serial Bus Test
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and Measurement Class Specification
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(USBTMC) Revision 1.0" as published by the USB-IF.
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Note that the TermCharEnabled file determines if this value is
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sent to the device or not.
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What: /sys/bus/usb/drivers/usbtmc/devices/*/TermCharEnabled
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Date: August 2008
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Contact: Greg Kroah-Hartman <gregkh@suse.de>
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Description:
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This file determines if the TermChar is to be sent to the
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device on every transaction or not. For more details about
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this, please see the document, "Universal Serial Bus Test and
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Measurement Class Specification (USBTMC) Revision 1.0" as
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published by the USB-IF.
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What: /sys/bus/usb/drivers/usbtmc/devices/*/auto_abort
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Date: August 2008
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Contact: Greg Kroah-Hartman <gregkh@suse.de>
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Description:
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This file determines if the the transaction of the USB TMC
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device is to be automatically aborted if there is any error.
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For more details about this, please see the document,
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"Universal Serial Bus Test and Measurement Class Specification
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(USBTMC) Revision 1.0" as published by the USB-IF.
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@ -2571,6 +2571,9 @@ Your cooperation is appreciated.
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160 = /dev/usb/legousbtower0 1st USB Legotower device
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...
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175 = /dev/usb/legousbtower15 16th USB Legotower device
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176 = /dev/usb/usbtmc1 First USB TMC device
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...
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192 = /dev/usb/usbtmc16 16th USB TMC device
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240 = /dev/usb/dabusb0 First daubusb device
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...
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243 = /dev/usb/dabusb3 Fourth dabusb device
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@ -110,6 +110,8 @@ Code Seq# Include File Comments
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'W' 00-1F linux/wanrouter.h conflict!
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'X' all linux/xfs_fs.h
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'Y' all linux/cyclades.h
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'[' 00-07 linux/usb/usbtmc.h USB Test and Measurement Devices
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<mailto:gregkh@suse.de>
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'a' all ATM on linux
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<http://lrcwww.epfl.ch/linux-atm/magic.html>
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'b' 00-FF bit3 vme host bridge
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@ -40,3 +40,13 @@ config USB_WDM
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To compile this driver as a module, choose M here: the
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module will be called cdc-wdm.
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config USB_TMC
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tristate "USB Test and Measurement Class support"
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depends on USB
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help
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Say Y here if you want to connect a USB device that follows
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the USB.org specification for USB Test and Measurement devices
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to your computer's USB port.
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To compile this driver as a module, choose M here: the
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module will be called usbtmc.
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@ -6,3 +6,4 @@
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obj-$(CONFIG_USB_ACM) += cdc-acm.o
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obj-$(CONFIG_USB_PRINTER) += usblp.o
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obj-$(CONFIG_USB_WDM) += cdc-wdm.o
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obj-$(CONFIG_USB_TMC) += usbtmc.o
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1087
drivers/usb/class/usbtmc.c
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1087
drivers/usb/class/usbtmc.c
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File diff suppressed because it is too large
Load Diff
@ -4,4 +4,4 @@ header-y += ch9.h
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header-y += gadgetfs.h
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header-y += midi.h
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header-y += g_printer.h
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header-y += tmc.h
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43
include/linux/usb/tmc.h
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43
include/linux/usb/tmc.h
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/*
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* Copyright (C) 2007 Stefan Kopp, Gechingen, Germany
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* Copyright (C) 2008 Novell, Inc.
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* Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de>
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*
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* This file holds USB constants defined by the USB Device Class
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* Definition for Test and Measurement devices published by the USB-IF.
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*
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* It also has the ioctl definitions for the usbtmc kernel driver that
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* userspace needs to know about.
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*/
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#ifndef __LINUX_USB_TMC_H
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#define __LINUX_USB_TMC_H
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/* USB TMC status values */
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#define USBTMC_STATUS_SUCCESS 0x01
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#define USBTMC_STATUS_PENDING 0x02
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#define USBTMC_STATUS_FAILED 0x80
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#define USBTMC_STATUS_TRANSFER_NOT_IN_PROGRESS 0x81
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#define USBTMC_STATUS_SPLIT_NOT_IN_PROGRESS 0x82
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#define USBTMC_STATUS_SPLIT_IN_PROGRESS 0x83
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/* USB TMC requests values */
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#define USBTMC_REQUEST_INITIATE_ABORT_BULK_OUT 1
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#define USBTMC_REQUEST_CHECK_ABORT_BULK_OUT_STATUS 2
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#define USBTMC_REQUEST_INITIATE_ABORT_BULK_IN 3
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#define USBTMC_REQUEST_CHECK_ABORT_BULK_IN_STATUS 4
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#define USBTMC_REQUEST_INITIATE_CLEAR 5
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#define USBTMC_REQUEST_CHECK_CLEAR_STATUS 6
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#define USBTMC_REQUEST_GET_CAPABILITIES 7
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#define USBTMC_REQUEST_INDICATOR_PULSE 64
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/* Request values for USBTMC driver's ioctl entry point */
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#define USBTMC_IOC_NR 91
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#define USBTMC_IOCTL_INDICATOR_PULSE _IO(USBTMC_IOC_NR, 1)
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#define USBTMC_IOCTL_CLEAR _IO(USBTMC_IOC_NR, 2)
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#define USBTMC_IOCTL_ABORT_BULK_OUT _IO(USBTMC_IOC_NR, 3)
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#define USBTMC_IOCTL_ABORT_BULK_IN _IO(USBTMC_IOC_NR, 4)
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#define USBTMC_IOCTL_CLEAR_OUT_HALT _IO(USBTMC_IOC_NR, 6)
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#define USBTMC_IOCTL_CLEAR_IN_HALT _IO(USBTMC_IOC_NR, 7)
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#endif
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