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authorGreg Kroah-Hartman <gregkh@suse.de>2008-08-26 16:22:06 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2008-10-17 14:40:51 -0700
commit5b775f672cc993ba9dba5626811ab1f2ac42883b (patch)
tree61d8e0706a11e7bb808081720644b11ef58f77cd /Documentation
parenteb86be5424d4c08e686d5e578b72a26c516ae58a (diff)
downloadlinux-linaro-stable-5b775f672cc993ba9dba5626811ab1f2ac42883b.tar.gz
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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/ABI/stable/sysfs-driver-usb-usbtmc62
-rw-r--r--Documentation/devices.txt3
-rw-r--r--Documentation/ioctl-number.txt2
3 files changed, 67 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-driver-usb-usbtmc b/Documentation/ABI/stable/sysfs-driver-usb-usbtmc
new file mode 100644
index 000000000000..9a75fb22187d
--- /dev/null
+++ b/Documentation/ABI/stable/sysfs-driver-usb-usbtmc
@@ -0,0 +1,62 @@
+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.
diff --git a/Documentation/devices.txt b/Documentation/devices.txt
index 05c80645e4ee..2be08240ee80 100644
--- a/Documentation/devices.txt
+++ b/Documentation/devices.txt
@@ -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
diff --git a/Documentation/ioctl-number.txt b/Documentation/ioctl-number.txt
index 1c6b545635a2..f8deb85eef6e 100644
--- a/Documentation/ioctl-number.txt
+++ b/Documentation/ioctl-number.txt
@@ -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