File xf86-input-fpit-update1.diff of Package xorg-x11-driver-input

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File xf86-input-fpit-update1.diff of Package xorg-x11-driver-input (Revision a2b52a7d44e5045fe1f8ecc596732077)

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commit 4b06c8f70e8b1d6cfaeb41e1584f9efcfef83bb0
Author: Justin Blanchard <justinb04@aim.com>
Date:   Tue Jan 30 20:12:07 2007 -0500

Updates from Justin Blanchard - patch 1
    
    * Make the docs reflect more accurately what the code actually does.
    * Update the docs: remove material specific to XFree86 3.x/4.0. Re-organize to
    reflect the wider variety of machines that use this device. Change the link to
    linuxslate.com. Expand troubleshooting section.
    * Code cleanup: assorted trivial changes.

diff --git a/man/fpit.man b/man/fpit.man
index fba0e6f..4964dbe 100644
--- a/man/fpit.man
+++ b/man/fpit.man
@@ -23,11 +23,15 @@ driver functions as a pointer input devi
 X server's core pointer.
 .SH SUPPORTED HARDWARE
 This driver supports the touchscreen of the Stylistic LT and (with
-special options) of the Stylistic 500, 1000 and 2300.
+special options) of the Stylistic 500, 1000, 1200, 2300, and 3400.
+Modern FinePoint MP800 devices will also work with this driver.
 
-Under Linux the Fujitsus serial port is not, by default, detected.
-Therefore the following must be added to one of your start-up scripts.
-(Either one of the X scripts, or to rc.local or similar).
+Under Linux the Fujitsu's serial port is not, by default, detected.
+Therefore the port must be configured manually as described in the
+accompanying readme.txt file.
+
+For example, add the following to your startup scripts for Stylistic xx00
+devices:
 
 .TP 4
 .B setserial /dev/ttyS3 autoconfig
@@ -70,12 +74,12 @@ Same as for X axis, but for Y axis.
 Invert the specified axis.
 .TP 4
 .B Option \fI"SwapXY"\fP
-Swap the X and Y axis.
+Swap the X and Y axis (after inversions).
 .TP 4
 .B Option \fI"Rotate"\fP \fI"CW"\fP
 .B Option \fI"Rotate"\fP \fI"CWW"\fP
 Manipulate the invert and swap options to match screen
-rotations.
+rotations. (Will behave strangely if combined with invert or swap options.)
 .TP 4
 .B Option \fI"DeviceName"\fP \fI"name"\fP
 .B Option \fI"DeviceName"\fP \fI"name"\fP
@@ -92,7 +96,7 @@ enabled for any other value.
 .B Option \fI"DebugLevel"\fP \fInumber \fP
 sets the level of debugging info reported.
 .TP 4
-.B Option \fI"BaudRate"\fP \fI"38400"\fP, \fI"19200"\fP or \fI"9600"\fP (default)
+.B Option \fI"BaudRate"\fP \fI"38400"\fP, \fI"19200"\fP (default) or \fI"9600"\fP
 changes the serial link speed.
 .TP 4
 .B Option \fI"Passive"\fP
diff --git a/readme.txt b/readme.txt
index fd0990c..075c52e 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,15 +1,8 @@
 xf86Fpit.c
 (and associated files).
 
-Documentation updated by John Apfelbaum, linuxslate.com Oct 2001
-
-***    P L E A S E     N O T E    ***
-*  Due to a Hardrive failure, the version of this driver that was previously
-*  on the linuxslate.com website was lost. This is a version came from a
-*  directory on my development system that was marked "Works", and I belive it
-*  to be the latest version I worked on (about a year ago), but I have not had
-*  time to build from this source and verify this driver.
-***
+Last updated Jan 2007
+This information applies to version 1.1.0 of this driver.
 
 Supported Hardware:
 
@@ -19,6 +12,8 @@ Supported Hardware:
 	Fujistu Stylistic 1000  (Should Work)
 	Fujistu Stylistic 1200  (Should Work)
 	Fujistu Stylistic 2300  (Should Work)
+	Fujitsu Stylistic 3400  (and possibly other passive-pen systems)
+	FinePoint MP800
 
 History and Contributors:
 
@@ -30,9 +25,11 @@ History and Contributors:
    project into the XFree86 4.0.2 Elographics driver by Patrick Lecoanet.
 -  John Apfelbaum continuted the work to produce a working XFree86 4.0.x driver for the
    Stylistic 1200.  
--  David Clay added support for Stylistic 3400 passive pen.
+-  David Clay added support for Stylistic 3400 passive pen, and possibly
+   others. (Also fixed processing of all packets, and enabled right mouse button.)
 
-Please visit http://linuxslate.com for the latest information.
+Please visit http://webcvs.freedesktop.org/xorg/driver/xf86-input-fpit/ for the
+latest version of this driver.
 
 License:
 
@@ -52,73 +49,53 @@ Please visit http://XFree86.org for lice
 
 Installation:
 
-THIS RELEASE IS FOR XFree86 Version 4.0.2. Hopefully it will also work
-with other Version 4 systems. The source is written so that hopefully
-it can be compiled under 3.3.6 - THIS HAS NOT BEEN TESTED (yet).
-
-Copied from original xf86fpit.c readme:
-
 1.  Install and configure Linux w/o consideration of the digitizer tablet.
 2.  Get X working the way you want it. 
-3.  Add or Change your appropriate startup scripts to include:
+3.  Set up a serial device to be initialized at startup.
+    Modify /etc/serial.conf if your distribution uses it. Otherwise
+    add or modify your appropriate startup scripts to include:
 
 setserial /dev/ttyS3 autoconfig
-setserial /dev/ttyS3 IRQ 15 baud_base 115200
-(Some models may also have to specify:  port 0xfce8)
+setserial /dev/ttyS3 port ??? IRQ ?? baud_base 115200 [uart 16450]
 
-
-New/Different for Ver 4.0.2
+The uart setting may be necessary for the device to work.
+See below for appropriate port/IRQ values.
 
 4.  Copy fpit_drv.o to /usr/X11R6/lib/modules/input
 
-5.  Add the following to your XF86Config(-4) file:
+5.  Add the following to your X config file (XF86Config/XF86Config-4/xorg.conf)
 
 Section "InputDevice"
 	Identifier	"mouse0"
 	Driver		"fpit"
 	Option		"Device"	"/dev/ttyS3"
+	# These may need tweaking; see below.
 	Option		"BaudRate"	"19200"
 	Option		"MaximumXPosition"	"6250"
 	Option		"MaximumYPosition"	"4950"
 	Option		"MinimumXPosition"	"130"
 	Option		"MinimumYPosition"	"0"
 	Option		"InvertY"
+	# For a passive pen, e.g. Stylistic 3400
+	Option		"Passive"
 EndSection
 
 6. Remember to add this Input Device to the server description (Near the end of the file.)
 
 7. Start or restart X.
 
-8. If required adjust the Min/Max X/Y positions so that the pointer
+8. If required adjust the baud rate and Min/Max X/Y positions so that the pointer
    tracks the pen correctly.
 
+For Fujitsu Stylistic xx00 models, try IRQ 15, with port either unspecified
+ or set to 0xfce8.
 
-New for Ver 4.5.0
-
- * supports Stylistic 3400 (and possibly other passive-pen systems)
- * Fixed processing of all packets
- * Fixed hover-mode pointer movement
- * Added Passive parameter for passive displays
- * Added switch 3 for "right" mouse button
-
-Try this serial configuration for the 3400:
+For Fujitsu Stylistic 3400 models, try IRQ 4 and port 0xfd68.
+ Recommended X config settings are BaudRate 9600, Min X/Y 0, MaxX 4070, MaxY 4020.
 
-setserial /dev/ttyS3 autoconfig
-setserial /dev/ttyS3 uart 16450 irq 5 port 0xfd68
-
-Try this config for the 3400:
-Section "InputDevice"
-    Identifier "mouse0"
-    Driver     "fpit"       
-    Option     "Device"   "/dev/ttyS3"
-    Option     "BaudRate" "9600"   
-    Option     "Passive"
-    Option     "MaximumXPosition" "4070"  
-    Option     "MaximumYPosition" "4020"  
-    Option     "MinimumXPosition" "0"     
-    Option     "MinimumYPosition" "0"  
-    Option     "SendCoreEvents"
-EndSection
+In general you may wish to consult /proc/ioports or /sys/devices/pnp0/*
+(under Linux 2.6) for serial information. BaudRate should generally be 9600,
+19200, or 38400.
 
 
 Hints if you are having problems (Thanks to Aron Hsiao):
@@ -135,6 +112,8 @@ This should be re-stating the defaults,
 to be an XFree86 4.x bug. 
 
 Problem 2:  X Server crash during GUI startup (Particularly Gnome). 
+            Or: programs using high-resolution pen tracking via XInput
+            don't work.
 
 Solution:   You must have a regular mouse defined as the default pointer
 	    even if no mouse is used.  During startup, Gnome attempts to
@@ -142,6 +121,10 @@ Solution:   You must have a regular mous
 	    pendrivers are absolute pointers, and acceleration is meaningless,
 	    they do not take well to attempts to set it :-)
 
+	    Additionally, setting the tablet as a core pointer prevents X
+            from sending XInput events. This lowers the pen-tracking
+            resolution available to programs by 1 or 2 orders of magnitude!
+
 Problem 3:  Jittery cursor and undesired mouse clicks (both buttons),
             particuarly on the Stylistic 1200, and particuarly after the
 	    system has warmed up.
@@ -152,6 +135,9 @@ Solution:   (Not really a solution) This
 	    actively using it extends battery life, and keeps the system from
 	    getting too hot.
 
+            If cursor movement seems completely random and mouse clicks seem
+            inexplicable, your baud rate may be set incorrectly.
+
 Bugs and Needed Work:
 
 (See above)
diff --git a/src/xf86Fpit.c b/src/xf86Fpit.c
index b7a9a60..d0b9fe3 100644
--- a/src/xf86Fpit.c
+++ b/src/xf86Fpit.c
@@ -63,8 +63,6 @@
 
 #  include <misc.h>
 #  include <xf86.h>
-#  if !defined(DGUX)
-#  endif
 #  include <xf86_OSproc.h>
 #  include <xf86Xinput.h>
 #  include <exevents.h>
@@ -79,7 +77,6 @@
  *
  ***************************************************************************
  */
-#define FPIT_LINK_SPEED		B19200	/* 19200 Baud                           */
 #define FPIT_PORT		"/dev/ttyS3"
 
 #define FPIT_MAX_X		4100
@@ -87,19 +84,6 @@
 #define FPIT_MAX_Y		4100
 #define FPIT_MIN_Y		0
 
-#define PHASING_BIT	0x80
-#define PROXIMITY_BIT	0x20 /* DMC: This was 0x40 but the chart says its bit 5 which is 0x20 */
-/*#define TABID_BIT	0x20  */
-#define XSIGN_BIT	0x10
-#define YSIGN_BIT	0x08
-#define BUTTON_BITS	0x07
-#define COORD_BITS	0x7f
-
-/* DMC: Added these */
-#define SW1	0x01
-#define SW2	0x02
-#define SW3	0x04
-
 
 /*
  ***************************************************************************
@@ -123,8 +107,6 @@ typedef struct {
 	int screen_width;
 	int screen_height;
 	int screen_no;
-	int fpitInc;		/* increment between transmits */
-	int fpitButTrans;	/* button translation flags */
 	int fpitOldX;		/* previous X position */
 	int fpitOldY;		/* previous Y position */
 	int fpitOldProximity;	/* previous proximity */
@@ -135,10 +117,7 @@ typedef struct {
 	int fpitMaxY;		/* max Y value */
 	int fpitInvX;		/* Invert X axis */
 	int fpitInvY;		/* Invert Y axis */
-	int fpitRes;		/* resolution in lines per inch */
-	int flags;		/* various flags */
 	int fpitIndex;		/* number of bytes read */
-	int fpitBaud;		/* Baud rate of device */
 	unsigned char fpitData[BUFFER_SIZE];	/* data read on the device */
 	int fpitSwapXY;		/* swap X and Y values */
 	int fpitPassive;	/* translate passive buttons */
@@ -209,37 +188,45 @@ static void xf86FpitReadInput(LocalDevic
 
 	priv->fpitIndex += len;
 
-	/* process each packet in this block */
-	for (loop=0;loop+FPIT_PACKET_SIZE<=priv->fpitIndex;loop++) { 
-		if (!(priv->fpitData[loop] & 0x80)) continue; /* we don't have a start bit yet */
 
+#define PHASING_BIT	0x80
+#define PROXIMITY_BIT	0x20
+#define BUTTON_BITS	0x07
+#define SW1	0x01
+#define SW2	0x02
+#define SW3	0x04
+
+	/* process each packet in this block */
 /* Format of 5 bytes data packet for Fpit Tablets
      Byte 1
-       bit 7  Phasing bit always 1
-       bit 6  Switch status change
-       bit 5  Proximity
-       bit 4  Always 0
-       bit 3  Test data
-       bit 2  Sw3 (2nd side sw) 
-       bit 1  Sw2 (1st side sw) 
-       bit 0  Sw1 (Pen tip sw) 
+       bit  7   (0x80)  Phasing bit always 1
+       bit  6   (0x40)  Switch status change
+       bit  5   (0x20)  Proximity
+       bit  4   (0x10)  Always 0
+       bit  3   (0x08)  Test data
+       bits 2-0 (0x07)  Buttons:
+       bit  2   (0x04)   Sw3 (2nd side sw) 
+       bit  1   (0x02)   Sw2 (1st side sw) 
+       bit  0   (0x01)   Sw1 (Pen tip sw) 
 
      Byte 2
-       bit 7  Always 0
-       bits 6-0 = X6 - X0
+       bit  7   (0x80)  Always 0
+       bits 6-0 (0x7f)  X6 - X0
 
      Byte 3
-       bit 7  Always 0
-       bits 6-0 = X13 - X7
+       bit  7   (0x80)  Always 0
+       bits 6-0 (0x7f)  X13 - X7
 
      Byte 4
-       bit 7  Always 0
-       bits 6-0 = Y6 - Y0
+       bit  7   (0x80)  Always 0
+       bits 6-0 (0x7f)  Y6 - Y0
 
      Byte 5
-       bit 7  Always 0
-       bits 6-0 = Y13 - Y7
+       bit  7   (0x80)  Always 0
+       bits 6-0 (0x7f)  Y13 - Y7
 */
+	for (loop=0;loop+FPIT_PACKET_SIZE<=priv->fpitIndex;loop++) { 
+		if (!(priv->fpitData[loop] & PHASING_BIT)) continue; /* we don't have a start bit yet */
 
 		x = (int) (priv->fpitData[loop + 1] & 0x7f) + ((int) (priv->fpitData[loop + 2] & 0x7f) << 7);
 		y = (int) (priv->fpitData[loop + 3] & 0x7f) + ((int) (priv->fpitData[loop + 4] & 0x7f) << 7);
@@ -256,7 +243,7 @@ static void xf86FpitReadInput(LocalDevic
 		xf86FpitConvert(local, 0, 2, x, y, 0, 0, 0, 0, &conv_x, &conv_y);
 		xf86XInputSetScreen(local, priv->screen_no, conv_x, conv_y);
 
-		/* coordonates are ready we can send events */
+		/* coordinates are ready we can send events */
 
 		if (prox!=priv->fpitOldProximity) /* proximity changed */
 			if (!is_core_pointer) xf86PostProximityEvent(device, prox, 0, 2, x, y);
@@ -268,9 +255,7 @@ static void xf86FpitReadInput(LocalDevic
 			/*
 				For passive pen (Stylistic 3400, et al.):
 				sw1 = 1 if pen is moving
-				sw1 = 0 if pen is not moving
-				sw2 = 0 if pen is contacting the pad
-				sw2 = 1 if pen was lifted from the pad
+				sw2 = 1 if pen was lifted from the pad / isn't in contact
 				sw3 = 1 if right mouse-button icon was chosen
 			*/
 			/* convert the pen button bits to actual mouse buttons */
@@ -378,7 +363,7 @@ static Bool xf86FpitControl(DeviceIntPtr
 			 * screen to fit one meter.
 			 */
 			if (InitValuatorClassDeviceStruct(dev, 2, xf86GetMotionEvents, local->history_size, Absolute) == FALSE) {
-				ErrorF("Unable to allocate Elographics touchscreen ValuatorClassDeviceStruct\n");
+				ErrorF("Unable to allocate Fpit touchscreen ValuatorClassDeviceStruct\n");
 				return !Success;
 			} else {
 				InitValuatorAxisStruct(dev, 0, priv->fpitMinX, priv->fpitMaxX, 9500, 0 /* min_res */ ,
@@ -542,13 +527,13 @@ static InputInfoPtr xf86FpitInit(InputDr
 	xf86Msg(X_CONFIG, "FPIT device name: %s\n", local->name);
 	priv->screen_no = xf86SetIntOption(local->options, "ScreenNo", 0);
 	xf86Msg(X_CONFIG, "Fpit associated screen: %d\n", priv->screen_no);
-	priv->fpitMaxX = xf86SetIntOption(local->options, "MaximumXPosition", 4100);
+	priv->fpitMaxX = xf86SetIntOption(local->options, "MaximumXPosition", FPIT_MAX_X);
 	xf86Msg(X_CONFIG, "FPIT maximum x position: %d\n", priv->fpitMaxX);
-	priv->fpitMinX = xf86SetIntOption(local->options, "MinimumXPosition", 0);
+	priv->fpitMinX = xf86SetIntOption(local->options, "MinimumXPosition", FPIT_MIN_X);
 	xf86Msg(X_CONFIG, "FPIT minimum x position: %d\n", priv->fpitMinX);
-	priv->fpitMaxY = xf86SetIntOption(local->options, "MaximumYPosition", 4100);
+	priv->fpitMaxY = xf86SetIntOption(local->options, "MaximumYPosition", FPIT_MAX_Y);
 	xf86Msg(X_CONFIG, "FPIT maximum y position: %d\n", priv->fpitMaxY);
-	priv->fpitMinY = xf86SetIntOption(local->options, "MinimumYPosition", 0);
+	priv->fpitMinY = xf86SetIntOption(local->options, "MinimumYPosition", FPIT_MIN_Y);
 	xf86Msg(X_CONFIG, "FPIT minimum y position: %d\n", priv->fpitMinY);
 	priv->fpitInvX = xf86SetBoolOption(local->options, "InvertX", 0);
 	priv->fpitInvY = xf86SetBoolOption(local->options, "InvertY", 0);

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File xf86-input-fpit-update1.diff of Package xorg-x11-driver-input (Revision a2b52a7d44e5045fe1f8ecc596732077)

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