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Commit 5b775f67 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

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: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent eb86be54

Documentation/ABI/stable/sysfs-driver-usb-usbtmc

0 → 100644
+62 −0
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What:		/sys/bus/usb/drivers/usbtmc/devices/*/interface_capabilities

What:		/sys/bus/usb/drivers/usbtmc/devices/*/device_capabilities

Date:		August 2008

Contact:	Greg Kroah-Hartman <gregkh@suse.de>

Description:

		These files show the various USB TMC capabilities as described

		by the device itself.  The full description of the bitfields

		can be found in the USB TMC documents from the USB-IF entitled

		"Universal Serial Bus Test and Measurement Class Specification

		(USBTMC) Revision 1.0" section 4.2.1.8.



		The files are read only.





What:		/sys/bus/usb/drivers/usbtmc/devices/*/usb488_interface_capabilities

What:		/sys/bus/usb/drivers/usbtmc/devices/*/usb488_device_capabilities

Date:		August 2008

Contact:	Greg Kroah-Hartman <gregkh@suse.de>

Description:

		These files show the various USB TMC capabilities as described

		by the device itself.  The full description of the bitfields

		can be found in the USB TMC documents from the USB-IF entitled

		"Universal Serial Bus Test and Measurement Class, Subclass

		USB488 Specification (USBTMC-USB488) Revision 1.0" section

		4.2.2.



		The files are read only.





What:		/sys/bus/usb/drivers/usbtmc/devices/*/TermChar

Date:		August 2008

Contact:	Greg Kroah-Hartman <gregkh@suse.de>

Description:

		This file is the TermChar value to be sent to the USB TMC

		device as described by the document, "Universal Serial Bus Test

		and Measurement Class Specification

		(USBTMC) Revision 1.0" as published by the USB-IF.



		Note that the TermCharEnabled file determines if this value is

		sent to the device or not.





What:		/sys/bus/usb/drivers/usbtmc/devices/*/TermCharEnabled

Date:		August 2008

Contact:	Greg Kroah-Hartman <gregkh@suse.de>

Description:

		This file determines if the TermChar is to be sent to the

		device on every transaction or not.  For more details about

		this, please see the document, "Universal Serial Bus Test and

		Measurement Class Specification (USBTMC) Revision 1.0" as

		published by the USB-IF.





What:		/sys/bus/usb/drivers/usbtmc/devices/*/auto_abort

Date:		August 2008

Contact:	Greg Kroah-Hartman <gregkh@suse.de>

Description:

		This file determines if the the transaction of the USB TMC

		device is to be automatically aborted if there is any error.

		For more details about this, please see the document,

		"Universal Serial Bus Test and Measurement Class Specification

		(USBTMC) Revision 1.0" as published by the USB-IF.

Documentation/devices.txt

+3 −0
Original line number Diff line number Diff line
@@ -2571,6 +2571,9 @@ Your cooperation is appreciated. 
		160 = /dev/usb/legousbtower0	1st USB Legotower device

		    ...

		175 = /dev/usb/legousbtower15	16th USB Legotower device

		176 = /dev/usb/usbtmc1	First USB TMC device

		   ...

		192 = /dev/usb/usbtmc16	16th USB TMC device

		240 = /dev/usb/dabusb0	First daubusb device

		    ...

		243 = /dev/usb/dabusb3	Fourth dabusb device

Documentation/ioctl-number.txt

+2 −0
Original line number Diff line number Diff line
@@ -110,6 +110,8 @@ Code Seq# Include File Comments 
'W'	00-1F	linux/wanrouter.h	conflict!

'X'	all	linux/xfs_fs.h

'Y'	all	linux/cyclades.h

'['	00-07	linux/usb/usbtmc.h	USB Test and Measurement Devices

					<mailto:gregkh@suse.de>

'a'	all				ATM on linux

					<http://lrcwww.epfl.ch/linux-atm/magic.html>

'b'	00-FF				bit3 vme host bridge

drivers/usb/class/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -40,3 +40,13 @@ config USB_WDM 
	  To compile this driver as a module, choose M here: the

	  module will be called cdc-wdm.



config USB_TMC

	tristate "USB Test and Measurement Class support"

	depends on USB

	help

	  Say Y here if you want to connect a USB device that follows

	  the USB.org specification for USB Test and Measurement devices

	  to your computer's USB port.



	  To compile this driver as a module, choose M here: the

	  module will be called usbtmc.

drivers/usb/class/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -6,3 +6,4 @@ 
obj-$(CONFIG_USB_ACM)		+= cdc-acm.o

obj-$(CONFIG_USB_PRINTER)	+= usblp.o

obj-$(CONFIG_USB_WDM)		+= cdc-wdm.o

obj-$(CONFIG_USB_TMC)		+= usbtmc.o