diff options
Diffstat (limited to 'Source/DirectFB/inputdrivers/ps2mouse')
| -rwxr-xr-x | Source/DirectFB/inputdrivers/ps2mouse/Makefile.am | 31 | ||||
| -rwxr-xr-x | Source/DirectFB/inputdrivers/ps2mouse/Makefile.in | 594 | ||||
| -rwxr-xr-x | Source/DirectFB/inputdrivers/ps2mouse/ps2mouse.c | 576 |
3 files changed, 1201 insertions, 0 deletions
diff --git a/Source/DirectFB/inputdrivers/ps2mouse/Makefile.am b/Source/DirectFB/inputdrivers/ps2mouse/Makefile.am new file mode 100755 index 0000000..30915f8 --- /dev/null +++ b/Source/DirectFB/inputdrivers/ps2mouse/Makefile.am @@ -0,0 +1,31 @@ +## Makefile.am for DirectFB/inputdrivers/ps2mouse + +INCLUDES = \ + -I$(top_srcdir)/include \ + -I$(top_srcdir)/lib \ + -I$(top_builddir)/lib \ + -I$(top_srcdir)/src + +ps2mouse_LTLIBRARIES = libdirectfb_ps2mouse.la + +if BUILD_STATIC +ps2mouse_DATA = $(ps2mouse_LTLIBRARIES:.la=.o) +endif + +ps2mousedir = $(MODULEDIR)/inputdrivers + +libdirectfb_ps2mouse_la_SOURCES = \ + ps2mouse.c + +libdirectfb_ps2mouse_la_LDFLAGS = \ + -module \ + -avoid-version \ + $(DFB_LDFLAGS) + +libdirectfb_ps2mouse_la_LIBADD = \ + $(top_builddir)/lib/direct/libdirect.la \ + $(top_builddir)/src/libdirectfb.la + + +include $(top_srcdir)/rules/libobject.make + diff --git a/Source/DirectFB/inputdrivers/ps2mouse/Makefile.in b/Source/DirectFB/inputdrivers/ps2mouse/Makefile.in new file mode 100755 index 0000000..8ee00f3 --- /dev/null +++ b/Source/DirectFB/inputdrivers/ps2mouse/Makefile.in @@ -0,0 +1,594 @@ +# Makefile.in generated by automake 1.10.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +target_triplet = @target@ +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \ + $(top_srcdir)/rules/libobject.make +subdir = inputdrivers/ps2mouse +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/m4/as-ac-expand.m4 \ + $(top_srcdir)/configure.in +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(install_sh) -d +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; +am__vpath_adj = case $$p in \ + $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \ + *) f=$$p;; \ + esac; +am__strip_dir = `echo $$p | sed -e 's|^.*/||'`; +am__installdirs = "$(DESTDIR)$(ps2mousedir)" \ + "$(DESTDIR)$(ps2mousedir)" +ps2mouseLTLIBRARIES_INSTALL = $(INSTALL) +LTLIBRARIES = $(ps2mouse_LTLIBRARIES) +libdirectfb_ps2mouse_la_DEPENDENCIES = \ + $(top_builddir)/lib/direct/libdirect.la \ + $(top_builddir)/src/libdirectfb.la +am_libdirectfb_ps2mouse_la_OBJECTS = ps2mouse.lo +libdirectfb_ps2mouse_la_OBJECTS = \ + $(am_libdirectfb_ps2mouse_la_OBJECTS) +libdirectfb_ps2mouse_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \ + $(libdirectfb_ps2mouse_la_LDFLAGS) $(LDFLAGS) -o $@ +DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir) +depcomp = $(SHELL) $(top_srcdir)/depcomp +am__depfiles_maybe = depfiles +COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ + $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +LTCOMPILE = $(LIBTOOL) --tag=CC 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+mkdir_p = @mkdir_p@ +oldincludedir = @oldincludedir@ +pdfdir = @pdfdir@ +prefix = @prefix@ +program_transform_name = @program_transform_name@ +psdir = @psdir@ +sbindir = @sbindir@ +sharedstatedir = @sharedstatedir@ +srcdir = @srcdir@ +sysconfdir = @sysconfdir@ +target = @target@ +target_alias = @target_alias@ +target_cpu = @target_cpu@ +target_os = @target_os@ +target_vendor = @target_vendor@ +top_builddir = @top_builddir@ +top_srcdir = @top_srcdir@ +INCLUDES = \ + -I$(top_srcdir)/include \ + -I$(top_srcdir)/lib \ + -I$(top_builddir)/lib \ + -I$(top_srcdir)/src + +ps2mouse_LTLIBRARIES = libdirectfb_ps2mouse.la +@BUILD_STATIC_TRUE@ps2mouse_DATA = $(ps2mouse_LTLIBRARIES:.la=.o) +ps2mousedir = $(MODULEDIR)/inputdrivers +libdirectfb_ps2mouse_la_SOURCES = \ + ps2mouse.c + +libdirectfb_ps2mouse_la_LDFLAGS = \ + -module \ + -avoid-version \ + $(DFB_LDFLAGS) + +libdirectfb_ps2mouse_la_LIBADD = \ + $(top_builddir)/lib/direct/libdirect.la \ + $(top_builddir)/src/libdirectfb.la + +all: all-am + +.SUFFIXES: +.SUFFIXES: .c .lo .o .obj +$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(top_srcdir)/rules/libobject.make $(am__configure_deps) + @for dep in $?; do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \ + && exit 0; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu inputdrivers/ps2mouse/Makefile'; \ + cd $(top_srcdir) && \ + $(AUTOMAKE) --gnu inputdrivers/ps2mouse/Makefile +.PRECIOUS: Makefile +Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status + @case '$?' in \ + *config.status*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \ + *) \ + echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \ + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \ + esac; + +$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh + +$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +install-ps2mouseLTLIBRARIES: $(ps2mouse_LTLIBRARIES) + @$(NORMAL_INSTALL) + test -z "$(ps2mousedir)" || $(MKDIR_P) "$(DESTDIR)$(ps2mousedir)" + @list='$(ps2mouse_LTLIBRARIES)'; for p in $$list; do \ + if test -f $$p; then \ + f=$(am__strip_dir) \ + echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(ps2mouseLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) '$$p' '$(DESTDIR)$(ps2mousedir)/$$f'"; \ + $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(ps2mouseLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) "$$p" "$(DESTDIR)$(ps2mousedir)/$$f"; \ + else :; fi; \ + done + +uninstall-ps2mouseLTLIBRARIES: + @$(NORMAL_UNINSTALL) + @list='$(ps2mouse_LTLIBRARIES)'; for p in $$list; do \ + p=$(am__strip_dir) \ + echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(ps2mousedir)/$$p'"; \ + $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(ps2mousedir)/$$p"; \ + done + +clean-ps2mouseLTLIBRARIES: + -test -z "$(ps2mouse_LTLIBRARIES)" || rm -f $(ps2mouse_LTLIBRARIES) + @list='$(ps2mouse_LTLIBRARIES)'; for p in $$list; do \ + dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \ + test "$$dir" != "$$p" || dir=.; \ + echo "rm -f \"$${dir}/so_locations\""; \ + rm -f "$${dir}/so_locations"; \ + done +libdirectfb_ps2mouse.la: $(libdirectfb_ps2mouse_la_OBJECTS) $(libdirectfb_ps2mouse_la_DEPENDENCIES) + $(libdirectfb_ps2mouse_la_LINK) -rpath $(ps2mousedir) $(libdirectfb_ps2mouse_la_OBJECTS) $(libdirectfb_ps2mouse_la_LIBADD) $(LIBS) + +mostlyclean-compile: + -rm -f *.$(OBJEXT) + +distclean-compile: + -rm -f *.tab.c + +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ps2mouse.Plo@am__quote@ + +.c.o: +@am__fastdepCC_TRUE@ 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+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(LTCOMPILE) -c -o $@ $< + +mostlyclean-libtool: + -rm -f *.lo + +clean-libtool: + -rm -rf .libs _libs +install-ps2mouseDATA: $(ps2mouse_DATA) + @$(NORMAL_INSTALL) + test -z "$(ps2mousedir)" || $(MKDIR_P) "$(DESTDIR)$(ps2mousedir)" + @list='$(ps2mouse_DATA)'; for p in $$list; do \ + if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \ + f=$(am__strip_dir) \ + echo " $(ps2mouseDATA_INSTALL) '$$d$$p' '$(DESTDIR)$(ps2mousedir)/$$f'"; \ + $(ps2mouseDATA_INSTALL) "$$d$$p" "$(DESTDIR)$(ps2mousedir)/$$f"; \ + done + +uninstall-ps2mouseDATA: + @$(NORMAL_UNINSTALL) + @list='$(ps2mouse_DATA)'; for p in $$list; do \ + f=$(am__strip_dir) \ + echo " rm -f '$(DESTDIR)$(ps2mousedir)/$$f'"; \ + rm -f "$(DESTDIR)$(ps2mousedir)/$$f"; \ + done + +ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES) + list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \ + unique=`for i in $$list; do \ + if test 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maintainer-clean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: uninstall-ps2mouseDATA uninstall-ps2mouseLTLIBRARIES + +.MAKE: install-am install-strip + +.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \ + clean-libtool clean-ps2mouseLTLIBRARIES ctags distclean \ + distclean-compile distclean-generic distclean-libtool \ + distclean-tags distdir dvi dvi-am html html-am info info-am \ + install install-am install-data install-data-am install-dvi \ + install-dvi-am install-exec install-exec-am install-html \ + install-html-am install-info install-info-am install-man \ + install-pdf install-pdf-am install-ps install-ps-am \ + install-ps2mouseDATA install-ps2mouseLTLIBRARIES install-strip \ + installcheck installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags uninstall uninstall-am uninstall-ps2mouseDATA \ + uninstall-ps2mouseLTLIBRARIES + +%.o: .libs/%.a %.la + rm -f $<.tmp/*.o + if test -d $<.tmp; then rmdir $<.tmp; fi + mkdir $<.tmp + (cd $<.tmp && $(AR) x ../../$<) + $(LD) -o $@ -r $<.tmp/*.o + rm -f $<.tmp/*.o && rmdir $<.tmp + +.PHONY: $(LTLIBRARIES:%.la=.libs/%.a) +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/Source/DirectFB/inputdrivers/ps2mouse/ps2mouse.c b/Source/DirectFB/inputdrivers/ps2mouse/ps2mouse.c new file mode 100755 index 0000000..5b0fe2d --- /dev/null +++ b/Source/DirectFB/inputdrivers/ps2mouse/ps2mouse.c @@ -0,0 +1,576 @@ +/* + (c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org) + (c) Copyright 2000-2004 Convergence (integrated media) GmbH + + All rights reserved. + + Written by Denis Oliver Kropp <dok@directfb.org>, + Andreas Hundt <andi@fischlustig.de>, + Sven Neumann <neo@directfb.org>, + Ville Syrjälä <syrjala@sci.fi> and + Claudio Ciccani <klan@users.sf.net>. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +#include <config.h> + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> + +#include <fcntl.h> + +#include <termios.h> + +#include <sys/utsname.h> + +#include <directfb.h> + +#include <core/coredefs.h> +#include <core/coretypes.h> + +#include <core/input.h> +#include <core/system.h> + +#include <misc/conf.h> + +#include <direct/debug.h> +#include <direct/mem.h> +#include <direct/messages.h> +#include <direct/thread.h> +#include <direct/util.h> + +#include <core/input_driver.h> + + +DFB_INPUT_DRIVER( ps2mouse ) + + +/* Stolen from the linux kernel (pc_keyb.h) */ +#define PS2_SET_RES 0xE8 /* Set resolution */ +#define PS2_SET_SCALE11 0xE6 /* Set 1:1 scaling */ +#define PS2_SET_SCALE21 0xE7 /* Set 2:1 scaling */ +#define PS2_GET_SCALE 0xE9 /* Get scaling factor */ +#define PS2_SET_STREAM 0xEA /* Set stream mode */ +#define PS2_SET_SAMPLE 0xF3 /* Set sample rate */ +#define PS2_ENABLE_DEV 0xF4 /* Enable aux device */ +#define PS2_DISABLE_DEV 0xF5 /* Disable aux device */ +#define PS2_RESET 0xFF /* Reset aux device */ +#define PS2_ACK 0xFA /* Command byte ACK */ + +/*** mouse commands ***/ + +#define PS2_SEND_ID 0xF2 +#define PS2_ID_ERROR -1 +#define PS2_ID_PS2 0 +#define PS2_ID_IMPS2 3 + +static int ndev; +static const char *devlist[8]; + +typedef struct { + int fd; + CoreInputDevice *device; + DirectThread *thread; + + int mouseId; + int packetLength; + + int dx; + int dy; +} PS2MouseData; + + +static void +flush_xy( PS2MouseData *data ) +{ + DFBInputEvent evt; + + if (data->dx) { + evt.type = DIET_AXISMOTION; + evt.flags = DIEF_AXISREL; + evt.axis = DIAI_X; + evt.axisrel = data->dx; + + /* Signal immediately following event. */ + if (data->dy) + evt.flags |= DIEF_FOLLOW; + + dfb_input_dispatch( data->device, &evt ); + + data->dx = 0; + } + + if (data->dy) { + evt.type = DIET_AXISMOTION; + evt.flags = DIEF_AXISREL; + evt.axis = DIAI_Y; + evt.axisrel = data->dy; + + dfb_input_dispatch( data->device, &evt ); + + data->dy = 0; + } +} + +static void* +ps2mouseEventThread( DirectThread *thread, void *driver_data ) +{ + PS2MouseData *data = (PS2MouseData*) driver_data; + + unsigned char packet[4]; + unsigned char pos = 0; + unsigned char last_buttons = 0; + + int readlen; + unsigned char buf[256]; + + + while ( (readlen = read(data->fd, buf, 256)) > 0 ) { + int i; + + direct_thread_testcancel( thread ); + + for ( i = 0; i < readlen; i++ ) { + + if ( pos == 0 && (buf[i] & 0xc0) ) { + continue; + } + packet[pos++] = buf[i]; + if ( pos == data->packetLength ) { + int dx, dy, dz; + int buttons; + + pos = 0; + + if ( !(packet[0] & 0x08) ) { + /* We've lost sync! */ + i--; /* does this make sense? oh well, + it will resync eventually (will it ?)*/ + continue; + } + + buttons = packet[0] & 0x07; + dx = (packet[0] & 0x10) ? packet[1]-256 : packet[1]; + dy = (packet[0] & 0x20) ? -(packet[2]-256) : -packet[2]; + if (data->mouseId == PS2_ID_IMPS2) { + /* Just strip off the extra buttons if present + and sign extend the 4 bit value */ + dz = (s8)((packet[3] & 0x80) ? + packet[3] | 0xf0 : packet[3] & 0x0F); + if (dz) { + DFBInputEvent evt; + + evt.type = DIET_AXISMOTION; + evt.flags = DIEF_AXISREL; + evt.axis = DIAI_Z; + evt.axisrel = dz; + + flush_xy( data ); + + dfb_input_dispatch( data->device, &evt ); + } + } + else { + dz = 0; + } + + data->dx += dx; + data->dy += dy; + + if ( !dfb_config->mouse_motion_compression ) + flush_xy( data ); + + if ( last_buttons != buttons ) { + DFBInputEvent evt; + unsigned char changed_buttons; + + changed_buttons = last_buttons ^ buttons; + + /* make sure the compressed motion event is dispatched + before any button change */ + flush_xy( data ); + + if ( changed_buttons & 0x01 ) { + evt.type = (buttons & 0x01) ? + DIET_BUTTONPRESS : DIET_BUTTONRELEASE; + evt.flags = DIEF_NONE; + evt.button = DIBI_LEFT; + dfb_input_dispatch( data->device, &evt ); + } + if ( changed_buttons & 0x02 ) { + evt.type = (buttons & 0x02) ? + DIET_BUTTONPRESS : DIET_BUTTONRELEASE; + evt.flags = DIEF_NONE; + evt.button = DIBI_RIGHT; + dfb_input_dispatch( data->device, &evt ); + } + if ( changed_buttons & 0x04 ) { + evt.type = (buttons & 0x04) ? + DIET_BUTTONPRESS : DIET_BUTTONRELEASE; + evt.flags = DIEF_NONE; + evt.button = DIBI_MIDDLE; + dfb_input_dispatch( data->device, &evt ); + } + + last_buttons = buttons; + } + } + } + /* make sure the compressed motion event is dispatched, + necessary if the last packet was a motion event */ + flush_xy( data ); + } + + if ( readlen <= 0 && errno != EINTR ) + D_PERROR ("psmouse thread died\n"); + + return NULL; +} + + +static int +ps2WriteChar( int fd, unsigned char c, bool verbose ) +{ + struct timeval tv; + fd_set fds; + + tv.tv_sec = 0; + tv.tv_usec = 200000; /* timeout 200 ms */ + + FD_ZERO( &fds ); + FD_SET( fd, &fds ); + + write( fd, &c, 1 ); + + if ( select(fd+1, &fds, NULL, NULL, &tv) == 0 ) { + if ( verbose ) + D_ERROR( "DirectFB/PS2Mouse: timeout waiting for ack!!\n" ); + return -1; + } + + read( fd, &c, 1 ); + + if ( c != PS2_ACK ) + return -2; + + return 0; +} + + +static int +ps2GetId( int fd, bool verbose ) +{ + unsigned char c; + + if ( ps2WriteChar(fd, PS2_SEND_ID, verbose) < 0 ) + return PS2_ID_ERROR; + + read( fd, &c, 1 ); + + return( c ); +} + + +static int +ps2Write( int fd, const unsigned char *data, size_t len, bool verbose) +{ + size_t i; + int error = 0; + + for ( i = 0; i < len; i++ ) { + if ( ps2WriteChar(fd, data[i], verbose) < 0 ) { + if ( verbose ) + D_ERROR( "DirectFB/PS2Mouse: error @byte %zu\n", i ); + error++; + } + } + + if ( error && verbose ) + D_ERROR( "DirectFB/PS2Mouse: missed %i ack's!\n", error); + + return( error ); +} + + +static int +init_ps2( int fd, bool verbose ) +{ + static const unsigned char basic_init[] = + { PS2_ENABLE_DEV, PS2_SET_SAMPLE, 100 }; + static const unsigned char imps2_init[] = + { PS2_SET_SAMPLE, 200, PS2_SET_SAMPLE, 100, PS2_SET_SAMPLE, 80 }; + static const unsigned char ps2_init[] = + { PS2_SET_SCALE11, PS2_ENABLE_DEV, PS2_SET_SAMPLE, 100, PS2_SET_RES, 3 }; + int mouseId; + + struct timeval tv; + fd_set fds; + int count = 100; + + /* read all data from the file descriptor before initializing the mouse */ + while (true) { + unsigned char buf[64]; + + tv.tv_sec = 0; + tv.tv_usec = 50000; /* timeout 1/50 sec */ + + FD_ZERO( &fds ); + FD_SET( fd, &fds ); + + if (select( fd+1, &fds, NULL, NULL, &tv )) + read( fd, buf, sizeof(buf) ); + else + break; + + if (! --count) { + D_ERROR( "DirectFB/PS2Mouse: " + "PS/2 mouse keeps sending data, " + "initialization failed\n" ); + return -1; + } + } + + ps2Write( fd, basic_init, sizeof (basic_init), verbose ); + /* Do a basic init in case the mouse is confused */ + if (ps2Write( fd, basic_init, sizeof (basic_init), verbose ) != 0) { + if (verbose) + D_ERROR( "DirectFB/PS2Mouse: PS/2 mouse failed init\n" ); + return -1; + } + + ps2Write( fd, ps2_init, sizeof (ps2_init), verbose ); + + if (ps2Write(fd, imps2_init, sizeof (imps2_init), verbose) != 0) { + if (verbose) + D_ERROR ("DirectFB/PS2Mouse: mouse failed IMPS/2 init\n"); + return -2; + } + + if ((mouseId = ps2GetId( fd, verbose )) < 0) + return mouseId; + + if ( mouseId != PS2_ID_IMPS2 ) /* unknown id, assume PS/2 */ + mouseId = PS2_ID_PS2; + + return mouseId; +} + +/**************************************************************************************************/ + +static void +check_devices( const char *devnames[], int num ) +{ + int i, fd; + + for (i=0; i<num; i++) { + if ((fd = open( devnames[i], O_RDWR | O_SYNC )) < 0) + continue; + + if (init_ps2( fd, false ) < 0) { + close( fd ); + continue; + } + + devlist[ndev++] = devnames[i]; + + close( fd ); + + break; + } +} + +#define CHECK_DEVICES(n) check_devices( n, D_ARRAY_SIZE(n) ) + +/**************************************************************************************************/ + +static const char *dev_psaux[2] = { "/dev/psaux", "/dev/misc/psaux" }; +static const char *dev_input[1] = { "/dev/input/mice" }; + +/**************************************************************************************************/ + +static int +driver_get_available( void ) +{ + struct utsname uts; + bool check_psaux = true; + bool check_input = true; + + if (dfb_system_type() != CORE_FBDEV) + return 0; + + if (dfb_config->mouse_protocol && + (strcasecmp( dfb_config->mouse_protocol, "PS/2") == 0 || + strcasecmp( dfb_config->mouse_protocol, "IMPS/2") == 0)) + { + int fd = open( dfb_config->mouse_source, O_RDONLY | O_NONBLOCK ); + + if (fd < 0) { + D_PERROR( "DirectFB/PS2Mouse: opening %s failed!\n", + dfb_config->mouse_source ); + return 0; + } + + devlist[0] = dfb_config->mouse_source; + close( fd ); + return 1; + } + + if (uname( &uts ) < 0) + D_PERROR( "DirectFB/PS2Mouse: uname() failed!\n" ); + else if (!strncmp( uts.release, "2.6.", 4 ) || !strncmp( uts.release, "2.5.", 4 )) + check_psaux = false; + + if (check_psaux) + CHECK_DEVICES( dev_psaux ); + + if (check_input) + CHECK_DEVICES( dev_input ); + + return ndev; +} + +static void +driver_get_info( InputDriverInfo *info ) +{ + /* fill driver info structure */ + snprintf( info->name, + DFB_INPUT_DRIVER_INFO_NAME_LENGTH, "PS/2 Mouse Driver" ); + + snprintf( info->vendor, + DFB_INPUT_DRIVER_INFO_VENDOR_LENGTH, "directfb.org" ); + + info->version.major = 1; + info->version.minor = 0; +} + +static DFBResult +driver_open_device( CoreInputDevice *device, + unsigned int number, + InputDeviceInfo *info, + void **driver_data ) +{ + int fd; + int mouseId = -1; + int flags; + PS2MouseData *data; + + /* open device */ + + flags = (dfb_config->mouse_gpm_source) + ? (O_RDONLY | O_NONBLOCK) + : (O_RDWR | O_SYNC | O_EXCL); + + fd = open( devlist[number], flags ); + if (fd < 0) { + D_PERROR( "DirectFB/PS2Mouse: failed opening `%s' !\n", + devlist[number] ); + close( fd ); + return DFB_INIT; + } + + fcntl( fd, F_SETFL, fcntl ( fd, F_GETFL ) & ~O_NONBLOCK ); + + if (!dfb_config->mouse_gpm_source) { + mouseId = init_ps2( fd, true ); + + if (mouseId < 0) { + D_PERROR( "DirectFB/PS2Mouse: could not initialize mouse on `%s'!\n", + devlist[number] ); + close( fd ); + return DFB_INIT; + } + } + + if (dfb_config->mouse_protocol) { + if (strcasecmp( dfb_config->mouse_protocol, "IMPS/2" ) == 0) { + mouseId = PS2_ID_IMPS2; + } + else if (strcasecmp( dfb_config->mouse_protocol, "PS/2" ) == 0) { + mouseId = PS2_ID_PS2; + } + else { + D_ERROR( "DirectFB/PS2Mouse: unsupported protocol `%s' !\n", + dfb_config->mouse_protocol ); + close( fd ); + return DFB_INIT; + } + } + + /* fill device info structure */ + snprintf( info->desc.name, DFB_INPUT_DEVICE_DESC_NAME_LENGTH, + (mouseId == PS2_ID_IMPS2) ? "IMPS/2 Mouse" : "PS/2 Mouse" ); + + snprintf( info->desc.vendor, + DFB_INPUT_DEVICE_DESC_VENDOR_LENGTH, "Unknown" ); + + info->prefered_id = DIDID_MOUSE; + info->desc.type = DIDTF_MOUSE; + info->desc.caps = DICAPS_AXES | DICAPS_BUTTONS; + info->desc.max_axis = (mouseId == PS2_ID_IMPS2) ? DIAI_Z : DIAI_Y; + info->desc.max_button = DIBI_MIDDLE; /* TODO: probe!? */ + + /* allocate and fill private data */ + data = D_CALLOC( 1, sizeof(PS2MouseData) ); + if (!data) { + close( fd ); + return D_OOM(); + } + + data->fd = fd; + data->device = device; + data->mouseId = mouseId; + data->packetLength = (mouseId == PS2_ID_IMPS2) ? 4 : 3; + + /* start input thread */ + data->thread = direct_thread_create( DTT_INPUT, ps2mouseEventThread, data, "PS/2 Input" ); + + /* set private data pointer */ + *driver_data = data; + + return DFB_OK; +} + +/* + * Fetch one entry from the device's keymap if supported. + */ +static DFBResult +driver_get_keymap_entry( CoreInputDevice *device, + void *driver_data, + DFBInputDeviceKeymapEntry *entry ) +{ + return DFB_UNSUPPORTED; +} + +static void +driver_close_device( void *driver_data ) +{ + PS2MouseData *data = (PS2MouseData*) driver_data; + + /* stop input thread */ + direct_thread_cancel( data->thread ); + direct_thread_join( data->thread ); + direct_thread_destroy( data->thread ); + + /* close device */ + close( data->fd ); + + /* free private data */ + D_FREE( data ); +} |