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authorLinus Torvalds <torvalds@g5.osdl.org>2005-09-12 16:32:20 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-12 16:32:20 -0400
commitcc6120c6687c34501c0b1d49b4d7e46c63911fed (patch)
treea43eeb2ed68ba9ef544fe1f1dc108c8848ba0df9 /Documentation
parent7b799bc82b5eebb8937ff773e4c4be7260698627 (diff)
parentf5e09b7cac4a2705f55830db64d448c062e84e8e (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/input/appletouch.txt84
-rw-r--r--Documentation/usb/proc_usb_info.txt13
2 files changed, 92 insertions, 5 deletions
diff --git a/Documentation/input/appletouch.txt b/Documentation/input/appletouch.txt
new file mode 100644
index 000000000000..b48d11d0326d
--- /dev/null
+++ b/Documentation/input/appletouch.txt
@@ -0,0 +1,84 @@
1Apple Touchpad Driver (appletouch)
2----------------------------------
3 Copyright (C) 2005 Stelian Pop <stelian@popies.net>
4
5appletouch is a Linux kernel driver for the USB touchpad found on post
6February 2005 Apple Alu Powerbooks.
7
8This driver is derived from Johannes Berg's appletrackpad driver[1], but it has
9been improved in some areas:
10 * appletouch is a full kernel driver, no userspace program is necessary
11 * appletouch can be interfaced with the synaptics X11 driver, in order
12 to have touchpad acceleration, scrolling, etc.
13
14Credits go to Johannes Berg for reverse-engineering the touchpad protocol,
15Frank Arnold for further improvements, and Alex Harper for some additional
16information about the inner workings of the touchpad sensors.
17
18Usage:
19------
20
21In order to use the touchpad in the basic mode, compile the driver and load
22the module. A new input device will be detected and you will be able to read
23the mouse data from /dev/input/mice (using gpm, or X11).
24
25In X11, you can configure the touchpad to use the synaptics X11 driver, which
26will give additional functionalities, like acceleration, scrolling, 2 finger
27tap for middle button mouse emulation, 3 finger tap for right button mouse
28emulation, etc. In order to do this, make sure you're using a recent version of
29the synaptics driver (tested with 0.14.2, available from [2]), and configure a
30new input device in your X11 configuration file (take a look below for an
31example). For additional configuration, see the synaptics driver documentation.
32
33 Section "InputDevice"
34 Identifier "Synaptics Touchpad"
35 Driver "synaptics"
36 Option "SendCoreEvents" "true"
37 Option "Device" "/dev/input/mice"
38 Option "Protocol" "auto-dev"
39 Option "LeftEdge" "0"
40 Option "RightEdge" "850"
41 Option "TopEdge" "0"
42 Option "BottomEdge" "645"
43 Option "MinSpeed" "0.4"
44 Option "MaxSpeed" "1"
45 Option "AccelFactor" "0.02"
46 Option "FingerLow" "0"
47 Option "FingerHigh" "30"
48 Option "MaxTapMove" "20"
49 Option "MaxTapTime" "100"
50 Option "HorizScrollDelta" "0"
51 Option "VertScrollDelta" "30"
52 Option "SHMConfig" "on"
53 EndSection
54
55 Section "ServerLayout"
56 ...
57 InputDevice "Mouse"
58 InputDevice "Synaptics Touchpad"
59 ...
60 EndSection
61
62Fuzz problems:
63--------------
64
65The touchpad sensors are very sensitive to heat, and will generate a lot of
66noise when the temperature changes. This is especially true when you power-on
67the laptop for the first time.
68
69The appletouch driver tries to handle this noise and auto adapt itself, but it
70is not perfect. If finger movements are not recognized anymore, try reloading
71the driver.
72
73You can activate debugging using the 'debug' module parameter. A value of 0
74deactivates any debugging, 1 activates tracing of invalid samples, 2 activates
75full tracing (each sample is being traced):
76 modprobe appletouch debug=1
77 or
78 echo "1" > /sys/module/appletouch/parameters/debug
79
80Links:
81------
82
83[1]: http://johannes.sipsolutions.net/PowerBook/touchpad/
84[2]: http://web.telia.com/~u89404340/touchpad/index.html
diff --git a/Documentation/usb/proc_usb_info.txt b/Documentation/usb/proc_usb_info.txt
index 729c72d34c89..f86550fe38ee 100644
--- a/Documentation/usb/proc_usb_info.txt
+++ b/Documentation/usb/proc_usb_info.txt
@@ -20,7 +20,7 @@ the /proc/bus/usb/BBB/DDD files.
20 20
21 to /etc/fstab. This will mount usbfs at each reboot. 21 to /etc/fstab. This will mount usbfs at each reboot.
22 You can then issue `cat /proc/bus/usb/devices` to extract 22 You can then issue `cat /proc/bus/usb/devices` to extract
23 USB device information, and user mode drivers can use usbfs 23 USB device information, and user mode drivers can use usbfs
24 to interact with USB devices. 24 to interact with USB devices.
25 25
26 There are a number of mount options supported by usbfs. 26 There are a number of mount options supported by usbfs.
@@ -32,7 +32,7 @@ the /proc/bus/usb/BBB/DDD files.
32 still see references to the older "usbdevfs" name. 32 still see references to the older "usbdevfs" name.
33 33
34For more information on mounting the usbfs file system, see the 34For more information on mounting the usbfs file system, see the
35"USB Device Filesystem" section of the USB Guide. The latest copy 35"USB Device Filesystem" section of the USB Guide. The latest copy
36of the USB Guide can be found at http://www.linux-usb.org/ 36of the USB Guide can be found at http://www.linux-usb.org/
37 37
38 38
@@ -133,7 +133,7 @@ B: Alloc=ddd/ddd us (xx%), #Int=ddd, #Iso=ddd
133 are the only transfers that reserve bandwidth. Control and bulk 133 are the only transfers that reserve bandwidth. Control and bulk
134 transfers use all other bandwidth, including reserved bandwidth that 134 transfers use all other bandwidth, including reserved bandwidth that
135 is not used for transfers (such as for short packets). 135 is not used for transfers (such as for short packets).
136 136
137 The percentage is how much of the "reserved" bandwidth is scheduled by 137 The percentage is how much of the "reserved" bandwidth is scheduled by
138 those transfers. For a low or full speed bus (loosely, "USB 1.1"), 138 those transfers. For a low or full speed bus (loosely, "USB 1.1"),
139 90% of the bus bandwidth is reserved. For a high speed bus (loosely, 139 90% of the bus bandwidth is reserved. For a high speed bus (loosely,
@@ -197,7 +197,7 @@ C:* #Ifs=dd Cfg#=dd Atr=xx MPwr=dddmA
197| | |__NumberOfInterfaces 197| | |__NumberOfInterfaces
198| |__ "*" indicates the active configuration (others are " ") 198| |__ "*" indicates the active configuration (others are " ")
199|__Config info tag 199|__Config info tag
200 200
201 USB devices may have multiple configurations, each of which act 201 USB devices may have multiple configurations, each of which act
202 rather differently. For example, a bus-powered configuration 202 rather differently. For example, a bus-powered configuration
203 might be much less capable than one that is self-powered. Only 203 might be much less capable than one that is self-powered. Only
@@ -228,7 +228,7 @@ I: If#=dd Alt=dd #EPs=dd Cls=xx(sssss) Sub=xx Prot=xx Driver=ssss
228 For example, default settings may not use more than a small 228 For example, default settings may not use more than a small
229 amount of periodic bandwidth. To use significant fractions 229 amount of periodic bandwidth. To use significant fractions
230 of bus bandwidth, drivers must select a non-default altsetting. 230 of bus bandwidth, drivers must select a non-default altsetting.
231 231
232 Only one setting for an interface may be active at a time, and 232 Only one setting for an interface may be active at a time, and
233 only one driver may bind to an interface at a time. Most devices 233 only one driver may bind to an interface at a time. Most devices
234 have only one alternate setting per interface. 234 have only one alternate setting per interface.
@@ -297,18 +297,21 @@ S: SerialNumber=dce0
297C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA 297C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
298I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub 298I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
299E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms 299E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
300
300T: Bus=00 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 4 301T: Bus=00 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 4
301D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 302D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
302P: Vendor=0451 ProdID=1446 Rev= 1.00 303P: Vendor=0451 ProdID=1446 Rev= 1.00
303C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA 304C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA
304I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub 305I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
305E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=255ms 306E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=255ms
307
306T: Bus=00 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#= 3 Spd=1.5 MxCh= 0 308T: Bus=00 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#= 3 Spd=1.5 MxCh= 0
307D: Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 309D: Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
308P: Vendor=04b4 ProdID=0001 Rev= 0.00 310P: Vendor=04b4 ProdID=0001 Rev= 0.00
309C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA 311C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
310I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=02 Driver=mouse 312I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=02 Driver=mouse
311E: Ad=81(I) Atr=03(Int.) MxPS= 3 Ivl= 10ms 313E: Ad=81(I) Atr=03(Int.) MxPS= 3 Ivl= 10ms
314
312T: Bus=00 Lev=02 Prnt=02 Port=02 Cnt=02 Dev#= 4 Spd=12 MxCh= 0 315T: Bus=00 Lev=02 Prnt=02 Port=02 Cnt=02 Dev#= 4 Spd=12 MxCh= 0
313D: Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 316D: Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
314P: Vendor=0565 ProdID=0001 Rev= 1.08 317P: Vendor=0565 ProdID=0001 Rev= 1.08