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authorreinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f>2004-01-20 14:35:38 +0000
committerreinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f>2004-01-20 14:35:38 +0000
commitd198bf228c98434578920e7301fb9edf13a37d3b (patch)
tree320ff85707722fc3a8ebcdc2f346d921a3810f2f
parent57a7eddbbbff009cc52746e584cfd4857c0040f8 (diff)
downloadlcd4linux-d198bf228c98434578920e7301fb9edf13a37d3b.tar.gz
[lcd4linux @ 2004-01-20 14:35:38 by reinelt]
drv_generic_parport added, code from parport.c git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@326 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
-rw-r--r--Makefile.am5
-rw-r--r--Makefile.in21
-rw-r--r--drv_generic_parport.c411
-rw-r--r--drv_generic_parport.h87
4 files changed, 512 insertions, 12 deletions
diff --git a/Makefile.am b/Makefile.am
index 7c1759e..486ac94 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -54,8 +54,9 @@ imon.c imon.h \
\
display.c display.h \
drv.c drv.h \
-drv_generic_serial.c drv_generic_serial.h \
-drv_generic_text.c drv_generic_text.h \
+drv_generic_serial.c drv_generic_serial.h \
+drv_generic_parport.c drv_generic_parport.h \
+drv_generic_text.c drv_generic_text.h \
debug.c debug.h \
cfg.c cfg.h \
lock.c lock.h \
diff --git a/Makefile.in b/Makefile.in
index fcec677..0ebe621 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -106,7 +106,7 @@ lcd4linux_LDADD = @DRIVERS@ @DRVLIBS@
#remove next line for liblcd4linux
lcd4linux_DEPENDENCIES = @DRIVERS@
-lcd4linux_SOURCES = lcd4linux.c pid.c pid.h hash.c hash.h parser.c parser.h processor.c processor.h layout.c layout.h timer.c timer.h evaluator.c evaluator.h widget.c widget.h widget_text.c widget_text.h widget_bar.c widget_bar.h plugin.c plugin.h plugin_math.c plugin_string.c plugin_cfg.c plugin_uname.c plugin_loadavg.c plugin_proc_stat.c plugin_cpuinfo.c plugin_meminfo.c plugin_i2c_sensors.c plugin_xmms.c system.c system.h isdn.c isdn.h wifi.c wifi.h mail.c mail.h seti.c seti.h battery.c battery.h dvb.c dvb.h filter.c filter.h exec.c exec.h expr.c expr.h mail2.c socket.c socket.h imon.c imon.h display.c display.h drv.c drv.h drv_generic_serial.c drv_generic_serial.h drv_generic_text.c drv_generic_text.h debug.c debug.h cfg.c cfg.h lock.c lock.h pixmap.c pixmap.h bar.c bar.h icon.c icon.h fontmap.c fontmap.h udelay.c udelay.h
+lcd4linux_SOURCES = lcd4linux.c pid.c pid.h hash.c hash.h parser.c parser.h processor.c processor.h layout.c layout.h timer.c timer.h evaluator.c evaluator.h widget.c widget.h widget_text.c widget_text.h widget_bar.c widget_bar.h plugin.c plugin.h plugin_math.c plugin_string.c plugin_cfg.c plugin_uname.c plugin_loadavg.c plugin_proc_stat.c plugin_cpuinfo.c plugin_meminfo.c plugin_i2c_sensors.c plugin_xmms.c system.c system.h isdn.c isdn.h wifi.c wifi.h mail.c mail.h seti.c seti.h battery.c battery.h dvb.c dvb.h filter.c filter.h exec.c exec.h expr.c expr.h mail2.c socket.c socket.h imon.c imon.h display.c display.h drv.c drv.h drv_generic_serial.c drv_generic_serial.h drv_generic_parport.c drv_generic_parport.h drv_generic_text.c drv_generic_text.h debug.c debug.h cfg.c cfg.h lock.c lock.h pixmap.c pixmap.h bar.c bar.h icon.c icon.h fontmap.c fontmap.h udelay.c udelay.h
#liblcd4linux_la_DEPENDENCIES = @DRIVERS@
@@ -158,9 +158,9 @@ isdn.$(OBJEXT) wifi.$(OBJEXT) mail.$(OBJEXT) seti.$(OBJEXT) \
battery.$(OBJEXT) dvb.$(OBJEXT) filter.$(OBJEXT) exec.$(OBJEXT) \
expr.$(OBJEXT) mail2.$(OBJEXT) socket.$(OBJEXT) imon.$(OBJEXT) \
display.$(OBJEXT) drv.$(OBJEXT) drv_generic_serial.$(OBJEXT) \
-drv_generic_text.$(OBJEXT) debug.$(OBJEXT) cfg.$(OBJEXT) lock.$(OBJEXT) \
-pixmap.$(OBJEXT) bar.$(OBJEXT) icon.$(OBJEXT) fontmap.$(OBJEXT) \
-udelay.$(OBJEXT)
+drv_generic_parport.$(OBJEXT) drv_generic_text.$(OBJEXT) \
+debug.$(OBJEXT) cfg.$(OBJEXT) lock.$(OBJEXT) pixmap.$(OBJEXT) \
+bar.$(OBJEXT) icon.$(OBJEXT) fontmap.$(OBJEXT) udelay.$(OBJEXT)
CFLAGS = @CFLAGS@
COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
@@ -181,12 +181,13 @@ DEP_FILES = .deps/BeckmannEgle.P .deps/Crystalfontz.P .deps/Cwlinux.P \
.deps/MilfordInstruments.P .deps/PalmPilot.P .deps/Raster.P .deps/SIN.P \
.deps/T6963.P .deps/Text.P .deps/USBLCD.P .deps/XWindow.P .deps/bar.P \
.deps/battery.P .deps/cfg.P .deps/debug.P .deps/display.P .deps/drv.P \
-.deps/drv_MatrixOrbital.P .deps/drv_generic_serial.P \
-.deps/drv_generic_text.P .deps/dvb.P .deps/evaluator.P .deps/exec.P \
-.deps/expr.P .deps/filter.P .deps/fontmap.P .deps/hash.P .deps/icon.P \
-.deps/imon.P .deps/isdn.P .deps/layout.P .deps/lcd4linux.P .deps/lock.P \
-.deps/mail.P .deps/mail2.P .deps/parport.P .deps/parser.P .deps/pid.P \
-.deps/pixmap.P .deps/plugin.P .deps/plugin_cfg.P .deps/plugin_cpuinfo.P \
+.deps/drv_MatrixOrbital.P .deps/drv_generic_parport.P \
+.deps/drv_generic_serial.P .deps/drv_generic_text.P .deps/dvb.P \
+.deps/evaluator.P .deps/exec.P .deps/expr.P .deps/filter.P \
+.deps/fontmap.P .deps/hash.P .deps/icon.P .deps/imon.P .deps/isdn.P \
+.deps/layout.P .deps/lcd4linux.P .deps/lock.P .deps/mail.P \
+.deps/mail2.P .deps/parport.P .deps/parser.P .deps/pid.P .deps/pixmap.P \
+.deps/plugin.P .deps/plugin_cfg.P .deps/plugin_cpuinfo.P \
.deps/plugin_i2c_sensors.P .deps/plugin_loadavg.P .deps/plugin_math.P \
.deps/plugin_meminfo.P .deps/plugin_proc_stat.P .deps/plugin_string.P \
.deps/plugin_uname.P .deps/plugin_xmms.P .deps/processor.P .deps/seti.P \
diff --git a/drv_generic_parport.c b/drv_generic_parport.c
new file mode 100644
index 0000000..416e79c
--- /dev/null
+++ b/drv_generic_parport.c
@@ -0,0 +1,411 @@
+/* $Id: drv_generic_parport.c,v 1.1 2004/01/20 14:35:38 reinelt Exp $
+ *
+ * generic driver helper for serial and parport access
+ *
+ * Copyright 1999, 2000 Michael Reinelt <reinelt@eunet.at>
+ * Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * This file is part of LCD4Linux.
+ *
+ * LCD4Linux is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * LCD4Linux is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ * $Log: drv_generic_parport.c,v $
+ * Revision 1.1 2004/01/20 14:35:38 reinelt
+ * drv_generic_parport added, code from parport.c
+ *
+ * Revision 1.2 2004/01/20 05:36:59 reinelt
+ * moved text-display-specific stuff to drv_generic_text
+ * moved all the bar stuff from drv_generic_bar to generic_text
+ *
+ * Revision 1.1 2004/01/20 04:51:39 reinelt
+ * moved generic stuff from drv_MatrixOrbital to drv_generic
+ * implemented new-stylish bars which are nearly finished
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <termios.h>
+#include <fcntl.h>
+#include <time.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+
+#ifdef HAVE_SYS_IO_H
+#include <sys/io.h>
+#define WITH_OUTB
+#else
+#ifdef HAVE_ASM_IO_H
+#include <asm/io.h>
+#define WITH_OUTB
+#endif
+#endif
+
+#if defined (HAVE_LINUX_PARPORT_H) && defined (HAVE_LINUX_PPDEV_H)
+#define WITH_PPDEV
+#include <linux/parport.h>
+#include <linux/ppdev.h>
+#else
+#define PARPORT_CONTROL_STROBE 0x1
+#define PARPORT_CONTROL_AUTOFD 0x2
+#define PARPORT_CONTROL_INIT 0x4
+#define PARPORT_CONTROL_SELECT 0x8
+#endif
+
+#if !defined(WITH_OUTB) && !defined(WITH_PPDEV)
+#error neither outb() nor ppdev() possible
+#error cannot compile parallel port driver
+#endif
+
+#include "debug.h"
+#include "cfg.h"
+#include "udelay.h"
+#include "drv_generic_parport.h"
+
+
+static unsigned short Port=0;
+static char *PPdev=NULL;
+
+// initial value taken from linux/parport_pc.c
+static unsigned char ctr = 0xc;
+
+#ifdef WITH_PPDEV
+static int PPfd=-1;
+#endif
+
+
+int drv_generic_parport_open (void)
+{
+ char *s, *e;
+
+#ifdef USE_OLD_UDELAY
+ if (cfg_number(NULL, "Delay", 0, 1, 1000000000, &loops_per_usec)<0) return -1;
+#else
+ udelay_init();
+#endif
+
+ s=cfg_get (NULL, "Port", NULL);
+ if (s==NULL || *s=='\0') {
+ error ("parport: no 'Port' entry in %s", cfg_source());
+ return -1;
+ }
+ PPdev=NULL;
+ if ((Port=strtol(s, &e, 0))==0 || *e!='\0') {
+#ifdef WITH_PPDEV
+ Port=0;
+ PPdev=s;
+#else
+ error ("parport: bad Port '%s' in %s", s, cfg_source());
+ return -1;
+#endif
+ }
+
+
+#ifdef WITH_PPDEV
+
+ if (PPdev) {
+ debug ("using ppdev %s", PPdev);
+ PPfd=open(PPdev, O_RDWR);
+ if (PPfd==-1) {
+ error ("parport: open(%s) failed: %s", PPdev, strerror(errno));
+ return -1;
+ }
+
+#if 0
+ // Fixme: this always fails here...
+ if (ioctl(PPfd, PPEXCL)) {
+ debug ("ioctl(%s, PPEXCL) failed: %s", PPdev, strerror(errno));
+ } else {
+ debug ("ioctl(%s, PPEXCL) succeded.");
+ }
+#endif
+
+ if (ioctl(PPfd, PPCLAIM)) {
+ error ("parport: ioctl(%s, PPCLAIM) failed: %d %s", PPdev, errno, strerror(errno));
+ return -1;
+ }
+ } else
+
+#endif
+
+ {
+ debug ("using raw port 0x%x", Port);
+ if ((Port+3)<=0x3ff) {
+ if (ioperm(Port, 3, 1)!=0) {
+ error ("parport: ioperm(0x%x) failed: %s", Port, strerror(errno));
+ return -1;
+ }
+ } else {
+ if (iopl(3)!=0) {
+ error ("parport: iopl(1) failed: %s", strerror(errno));
+ return -1;
+ }
+ }
+ }
+ return 0;
+}
+
+
+int drv_generic_parport_close (void)
+{
+#ifdef WITH_PPDEV
+ if (PPdev) {
+ debug ("closing ppdev %s", PPdev);
+ if (ioctl(PPfd, PPRELEASE)) {
+ error ("parport: ioctl(%s, PPRELEASE) failed: %s", PPdev, strerror(errno));
+ }
+ if (close(PPfd)==-1) {
+ error ("parport: close(%s) failed: %s", PPdev, strerror(errno));
+ return -1;
+ }
+ } else
+#endif
+ {
+ debug ("closing raw port 0x%x", Port);
+ if ((Port+3)<=0x3ff) {
+ if (ioperm(Port, 3, 0)!=0) {
+ error ("parport: ioperm(0x%x) failed: %s", Port, strerror(errno));
+ return -1;
+ }
+ } else {
+ if (iopl(0)!=0) {
+ error ("parport: iopl(0) failed: %s", strerror(errno));
+ return -1;
+ }
+ }
+ }
+ return 0;
+}
+
+
+unsigned char drv_generic_parport_wire_ctrl (char *name, unsigned char *deflt)
+{
+ unsigned char w;
+ char wire[256];
+ char *s;
+
+ snprintf (wire, sizeof(wire), "Wire.%s", name);
+ s=cfg_get (NULL, wire, deflt);
+ if (strcasecmp(s,"STROBE")==0) {
+ w=PARPORT_CONTROL_STROBE;
+ } else if(strcasecmp(s,"AUTOFD")==0) {
+ w=PARPORT_CONTROL_AUTOFD;
+ } else if(strcasecmp(s,"INIT")==0) {
+ w=PARPORT_CONTROL_INIT;
+ } else if(strcasecmp(s,"SELECT")==0) {
+ w=PARPORT_CONTROL_SELECT;
+ } else if(strcasecmp(s,"GND")==0) {
+ w=0;
+ } else {
+ error ("parport: unknown signal <%s> for wire <%s>", s, name);
+ error (" should be STROBE, AUTOFD, INIT, SELECT or GND");
+ return 0xff;
+ }
+
+ if (w&PARPORT_CONTROL_STROBE) {
+ info ("wiring: [DISPLAY:%s]<==>[PARPORT:STROBE]", name);
+ }
+ if (w&PARPORT_CONTROL_AUTOFD) {
+ info ("wiring: [DISPLAY:%s]<==>[PARPORT:AUTOFD]", name);
+ }
+ if (w&PARPORT_CONTROL_INIT) {
+ info ("wiring: [DISPLAY:%s]<==>[PARPORT:INIT]", name);
+ }
+ if (w&PARPORT_CONTROL_SELECT) {
+ info ("wiring: [DISPLAY:%s]<==>[PARPORT:SELECT]", name);
+ }
+ if (w==0) {
+ info ("wiring: [DISPLAY:%s]<==>[PARPORT:GND]", name);
+ }
+
+ return w;
+}
+
+
+unsigned char drv_generic_parport_wire_data (char *name, unsigned char *deflt)
+{
+ unsigned char w;
+ char wire[256];
+ char *s;
+
+ snprintf (wire, sizeof(wire), "Wire.%s", name);
+ s=cfg_get (NULL, wire, deflt);
+ if(strlen(s)==3 && strncasecmp(s,"DB",2)==0 && s[2]>='0' && s[2]<='7') {
+ w=s[2]-'0';
+ } else if(strcasecmp(s,"GND")==0) {
+ w=0;
+ } else {
+ error ("parport: unknown signal <%s> for wire <%s>", s, name);
+ error (" should be DB0..7 or GND");
+ return 0xff;
+ }
+
+ if (w==0) {
+ info ("wiring: [DISPLAY:%s]<==>[PARPORT:GND]", name);
+ } else {
+ info ("wiring: [DISPLAY:%s]<==>[PARPORT:DB%d]", name, w);
+ }
+
+ w=1<<w;
+
+ return w;
+}
+
+
+void drv_generic_parport_direction (int direction)
+{
+#ifdef WITH_PPDEV
+ if (PPdev) {
+ ioctl (PPfd, PPDATADIR, &direction);
+ } else
+#endif
+ {
+ // code stolen from linux/parport_pc.h
+ ctr = (ctr & ~0x20) ^ (direction?0x20:0x00);
+ outb (ctr, Port+2);
+ }
+}
+
+
+void drv_generic_parport_control (unsigned char mask, unsigned char value)
+{
+ // any signal affected?
+ // Note: this may happen in case a signal is hardwired to GND
+ if (mask==0) return;
+
+ // Strobe, Select and AutoFeed are inverted!
+ value = mask & (value ^ (PARPORT_CONTROL_STROBE|PARPORT_CONTROL_SELECT|PARPORT_CONTROL_AUTOFD));
+
+#ifdef WITH_PPDEV
+ if (PPdev) {
+ struct ppdev_frob_struct frob;
+ frob.mask=mask;
+ frob.val=value;
+ ioctl (PPfd, PPFCONTROL, &frob);
+ } else
+#endif
+ {
+ // code stolen from linux/parport_pc.h
+ ctr = (ctr & ~mask) ^ value;
+ outb (ctr, Port+2);
+ }
+}
+
+
+void drv_generic_parport_toggle (unsigned char bits, int level, int delay)
+{
+ unsigned char value1, value2;
+
+ // any signal affected?
+ // Note: this may happen in case a signal is hardwired to GND
+ if (bits==0) return;
+
+ // prepare value
+ value1=level?bits:0;
+ value2=level?0:bits;
+
+ // Strobe, Select and AutoFeed are inverted!
+ value1 = bits & (value1 ^ (PARPORT_CONTROL_STROBE|PARPORT_CONTROL_SELECT|PARPORT_CONTROL_AUTOFD));
+ value2 = bits & (value2 ^ (PARPORT_CONTROL_STROBE|PARPORT_CONTROL_SELECT|PARPORT_CONTROL_AUTOFD));
+
+
+#ifdef WITH_PPDEV
+ if (PPdev) {
+ struct ppdev_frob_struct frob;
+ frob.mask=bits;
+
+ // rise
+ frob.val=value1;
+ ioctl (PPfd, PPFCONTROL, &frob);
+
+ // pulse width
+ ndelay(delay);
+
+ // lower
+ frob.val=value2;
+ ioctl (PPfd, PPFCONTROL, &frob);
+ } else
+#endif
+ {
+ // rise
+ ctr = (ctr & ~bits) ^ value1;
+ outb (ctr, Port+2);
+
+ // pulse width
+ ndelay(delay);
+
+ // lower
+ ctr = (ctr & ~bits) ^ value2;
+ outb (ctr, Port+2);
+ }
+}
+
+
+void drv_generic_parport_data (unsigned char data)
+{
+#ifdef WITH_PPDEV
+ if (PPdev) {
+ ioctl(PPfd, PPWDATA, &data);
+ } else
+#endif
+ {
+ outb (data, Port);
+ }
+}
+
+unsigned char drv_generic_parport_read (void)
+{
+ unsigned char data;
+
+#ifdef WITH_PPDEV
+ if (PPdev) {
+ ioctl (PPfd, PPRDATA, &data);
+ } else
+#endif
+ {
+ data=inb (Port);
+ }
+ return data;
+}
+
+
+void drv_generic_parport_debug(void)
+{
+ unsigned char control;
+
+#ifdef WITH_PPDEV
+ if (PPdev) {
+ ioctl (PPfd, PPRCONTROL, &control);
+ } else
+#endif
+ {
+ control=ctr;
+ }
+
+ debug ("%cSTROBE %cAUTOFD %cINIT %cSELECT",
+ control & PARPORT_CONTROL_STROBE ? '-':'+',
+ control & PARPORT_CONTROL_AUTOFD ? '-':'+',
+ control & PARPORT_CONTROL_INIT ? '+':'-',
+ control & PARPORT_CONTROL_SELECT ? '-':'+');
+
+}
diff --git a/drv_generic_parport.h b/drv_generic_parport.h
new file mode 100644
index 0000000..6decaa7
--- /dev/null
+++ b/drv_generic_parport.h
@@ -0,0 +1,87 @@
+/* $Id: drv_generic_parport.h,v 1.1 2004/01/20 14:35:38 reinelt Exp $
+ *
+ * generic driver helper for parallel port displays
+ *
+ * Copyright 1999, 2000 Michael Reinelt <reinelt@eunet.at>
+ * Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * This file is part of LCD4Linux.
+ *
+ * LCD4Linux is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * LCD4Linux is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ * $Log: drv_generic_parport.h,v $
+ * Revision 1.1 2004/01/20 14:35:38 reinelt
+ * drv_generic_parport added, code from parport.c
+ *
+ */
+
+/*
+ *
+ * exported fuctions:
+ *
+ * int drv_generic_parport_open (void)
+ * reads 'Port' entry from config and opens
+ * the parallel port
+ * returns 0 if ok, -1 on failure
+ *
+ * int drv_generic_parport_close (void)
+ * closes parallel port
+ * returns 0 if ok, -1 on failure
+ *
+ * unsigned char drv_generic_parport_wire_ctrl (char *name, char *deflt)
+ * reads wiring for one control signal from config
+ * returns DRV_GENERIC_PARPORT_CONTROL_* or 255 on error
+ *
+ * unsigned char drv_generic_parport_wire_data (char *name, char *deflt)
+ * reads wiring for one data signal from config
+ * returns 1<<bitpos or 255 on error
+ *
+ * void drv_generic_parport_direction (int direction)
+ * 0 - write to parport
+ * 1 - read from parport
+ *
+ * void drv_generic_parport_control (unsigned char mask, unsigned char value)
+ * frobs control line and takes care of inverted signals
+ *
+ * void drv_generic_parport_toggle (unsigned char bit, int level, int delay)
+ * toggles the line <bit> to <level> for <delay> nanoseconds
+ *
+ * void drv_generic_parport_data (unsigned char value)
+ * put data bits on DB1..DB8
+ *
+ * unsigned char drv_generic_parport_read (void)
+ * reads a byte from the parallel port
+ *
+ * void drv_generic_parport_debug(void)
+ * prints status of control lines
+ *
+ */
+
+#ifndef _DRV_GENERIC_PARPORT_H_
+#define _DRV_GENERIC_PARPORT_H_
+
+int drv_generic_parport_open (void);
+int drv_generic_parport_close (void);
+unsigned char drv_generic_parport_wire_ctrl (char *name, unsigned char *deflt);
+unsigned char drv_generic_parport_wire_data (char *name, unsigned char *deflt);
+void drv_generic_parport_direction (int direction);
+void drv_generic_parport_control (unsigned char mask, unsigned char value);
+void drv_generic_parport_toggle (unsigned char bit, int level, int delay);
+void drv_generic_parport_data (unsigned char data);
+unsigned char drv_generic_parport_read (void);
+void drv_generic_parport_debug (void);
+
+#endif