Edit
IABSD.fr/xenocara/driver/xf86-input-acecad/src/acecad.c
matthieu
- driver/xf86-input-acecad/src/acecad.c
-
/* * Copyright (c) 2001 Edouard TISSERANT <tissered@esstin.u-nancy.fr> * Parts inspired from Shane Watts <shane@bofh.asn.au> XFree86 3 Acecad Driver * Thanks to Emily, from AceCad, For giving me documents. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <xorg-server.h> #include <xorgVersion.h> #define XORG_VERSION_BOTCHED XORG_VERSION_NUMERIC(1,4,0,0,0) #if XORG_VERSION_CURRENT >= XORG_VERSION_BOTCHED #define XORG_BOTCHED_INPUT 1 #else #define XORG_BOTCHED_INPUT 0 #endif /***************************************************************************** * Standard Headers ****************************************************************************/ #ifdef HAVE_LINUX_INPUT_H #include <asm/types.h> #include <linux/input.h> #ifndef EV_SYN #define EV_SYN EV_RST #define SYN_REPORT 0 #endif #ifdef BUS_PCI #undef BUS_PCI #endif #ifdef BUS_ISA #undef BUS_ISA #endif #endif #include <misc.h> #include <xf86.h> #ifndef NEED_XF86_TYPES #define NEED_XF86_TYPES #endif #include <xf86_OSproc.h> #include <xisb.h> #include <xf86Xinput.h> #include <exevents.h> #include <xf86Module.h> #include <string.h> #include <stdio.h> #include <errno.h> #ifdef HAVE_LINUX_INPUT_H #include <fcntl.h> #ifdef HAVE_SYSFS_LIBSYSFS_H #include <sysfs/libsysfs.h> #include <dlfcn.h> #endif #endif #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7 #include <X11/Xatom.h> #include <xserver-properties.h> #endif /* Previously found in xf86Xinput.h */ #ifdef DBG #undef DBG #endif #define DBG(lvl, f) {if ((lvl) <= xf86GetVerbosity()) f;} /***************************************************************************** * Local Headers ****************************************************************************/ #include "acecad.h" /***************************************************************************** * Variables without includable headers ****************************************************************************/ /***************************************************************************** * Local Variables ****************************************************************************/ /* max number of input events to read in one read call */ #define MAX_EVENTS 50 static const char *default_options[] = { "BaudRate", "9600", "StopBits", "1", "DataBits", "8", "Parity", "Odd", "Vmin", "1", "Vtime", "10", "FlowControl", "Xoff", NULL }; _X_EXPORT InputDriverRec ACECAD = { 1, "acecad", NULL, AceCadPreInit, NULL, NULL, #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 12 default_options #endif }; static XF86ModuleVersionInfo VersionRec = { "acecad", MODULEVENDORSTRING, MODINFOSTRING1, MODINFOSTRING2, XORG_VERSION_CURRENT, PACKAGE_VERSION_MAJOR, PACKAGE_VERSION_MINOR, PACKAGE_VERSION_PATCHLEVEL, ABI_CLASS_XINPUT, ABI_XINPUT_VERSION, MOD_CLASS_XINPUT, {0, 0, 0, 0} }; _X_EXPORT XF86ModuleData acecadModuleData = { &VersionRec, SetupProc, TearDownProc }; /***************************************************************************** * Function Definitions ****************************************************************************/ static pointer SetupProc( pointer module, pointer options, int *errmaj, int *errmin ) { xf86AddInputDriver(&ACECAD, module, 0); return module; } static void TearDownProc( pointer p ) { } #ifdef HAVE_LINUX_INPUT_H static int IsUSBLine(int fd) { int version; int err; SYSCALL(err = ioctl(fd, EVIOCGVERSION, &version)); if (!err) { xf86MsgVerb(X_PROBED, 4, "Kernel Input driver version is %d.%d.%d\n", version >> 16, (version >> 8) & 0xff, version & 0xff); return 1; } else { xf86MsgVerb(X_PROBED, 4, "No Kernel Input driver found\n"); return 0; } } /* Heavily inspired by synaptics/eventcomm.c */ #define DEV_INPUT_EVENT "/dev/input/event" #define EV_DEV_NAME_MAXLEN 64 #define SET_EVENT_NUM(str, num) \ snprintf(str, EV_DEV_NAME_MAXLEN, "%s%d", DEV_INPUT_EVENT, num) static Bool fd_query_acecad(int fd, char *ace_name) { char name[256] = "Unknown"; int cmp_at = strlen(ace_name); if (cmp_at > 255) cmp_at = 255; ioctl(fd, EVIOCGNAME(sizeof(name)), name); name[cmp_at] = '\0'; if (xf86NameCmp(name, ace_name) == 0) return TRUE; return FALSE; } static char ace_name_default[7] = "acecad"; #ifdef HAVE_SYSFS_LIBSYSFS_H static char usb_bus_name[4] = "usb"; static char acecad_driver_name[11] = "usb_acecad"; #endif static Bool AceCadAutoDevProbe(InputInfoPtr local, int verb) { /* We are trying to find the right eventX device */ int i = 0; Bool have_evdev = FALSE; int noent_cnt = 0; const int max_skip = 10; char *ace_name = xf86FindOptionValue(local->options, "Name"); char fname[EV_DEV_NAME_MAXLEN]; int np; #ifdef HAVE_SYSFS_LIBSYSFS_H struct sysfs_bus *usb_bus = NULL; struct sysfs_driver *acecad_driver = NULL; struct sysfs_device *candidate = NULL; char *link = NULL; struct dlist *devs = NULL; struct dlist *links = NULL; xf86MsgVerb(X_INFO, verb, "%s: querying sysfs for Acecad tablets\n", local->name); usb_bus = sysfs_open_bus(usb_bus_name); if (usb_bus) { xf86MsgVerb(X_PROBED, 4, "%s: usb bus opened\n", local->name); acecad_driver = sysfs_get_bus_driver(usb_bus, acecad_driver_name); if (acecad_driver) { xf86MsgVerb(X_PROBED, 4, "%s: usb_acecad driver opened\n", local->name); devs = sysfs_get_driver_devices(acecad_driver); if (devs) { xf86MsgVerb(X_PROBED, 4, "%s: usb_acecad devices retrieved\n", local->name); dlist_for_each_data(devs, candidate, struct sysfs_device) { xf86MsgVerb(X_PROBED, 4, "%s: device %s at %s\n", local->name, candidate->name, candidate->path); links = sysfs_open_link_list(candidate->path); dlist_for_each_data(links, link, char) { if (sscanf(link, "input:event%d", &i) == 1) { xf86MsgVerb(X_PROBED, 4, "%s: device %s at %s: %s\n", local->name, candidate->name, candidate->path, link); break; } } sysfs_close_list(links); if (i > 0) /* We found something */ break; } } else xf86MsgVerb(X_WARNING, 4, "%s: no usb_acecad devices found\n", local->name); } else xf86MsgVerb(X_WARNING, 4, "%s: usb_acecad driver not found\n", local->name); } else xf86MsgVerb(X_WARNING, 4, "%s: usb bus not found\n", local->name); sysfs_close_bus(usb_bus); if (i > 0) { /* We found something */ np = SET_EVENT_NUM(fname, i); if (np < 0 || np >= EV_DEV_NAME_MAXLEN) { xf86MsgVerb(X_WARNING, verb, "%s: unable to manage event device %d\n", local->name, i); } else { goto ProbeFound; } } else xf86MsgVerb(X_WARNING, verb, "%s: no Acecad devices found via sysfs\n", local->name); #endif if (!ace_name) ace_name = ace_name_default; xf86MsgVerb(X_INFO, verb, "%s: probing event devices for Acecad tablets\n", local->name); for (i = 0; ; i++) { int fd = -1; Bool is_acecad; np = SET_EVENT_NUM(fname, i); if (np < 0 || np >= EV_DEV_NAME_MAXLEN) { xf86MsgVerb(X_WARNING, verb, "%s: too many devices, giving up %d\n", local->name, i); break; } SYSCALL(fd = open(fname, O_RDONLY)); if (fd < 0) { if (errno == ENOENT) { if (++noent_cnt >= max_skip) break; else continue; } else { continue; } } noent_cnt = 0; have_evdev = TRUE; is_acecad = fd_query_acecad(fd, ace_name); SYSCALL(close(fd)); if (is_acecad) { goto ProbeFound; } } xf86MsgVerb(X_WARNING, verb, "%s: no Acecad event device found (checked %d nodes, no device name started with '%s')\n", local->name, i + 1, ace_name); if (i <= max_skip) xf86MsgVerb(X_WARNING, verb, "%s: The /dev/input/event* device nodes seem to be missing\n", local->name); if (i > max_skip && !have_evdev) xf86MsgVerb(X_WARNING, verb, "%s: The evdev kernel module seems to be missing\n", local->name); return FALSE; ProbeFound: xf86Msg(X_PROBED, "%s auto-dev sets device to %s\n", local->name, fname); xf86ReplaceStrOption(local->options, "Device", fname); return TRUE; } #endif #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 12 static int NewAceCadPreInit(InputDriverPtr drv, InputInfoPtr dev, int flags); static InputInfoPtr AceCadPreInit(InputDriverPtr drv, IDevPtr dev, int flags) { InputInfoPtr local = xf86AllocateInput(drv, 0); AceCadPrivatePtr priv = calloc (1, sizeof(AceCadPrivateRec)); if ((!local)) goto SetupProc_fail; local->name = dev->identifier; local->type_name = XI_TABLET; local->flags = XI86_SEND_DRAG_EVENTS; #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) == 0 local->motion_history_proc = xf86GetMotionEvents; #endif local->control_proc = NULL; local->switch_mode = NULL; local->conversion_proc = ConvertProc; local->reverse_conversion_proc = ReverseConvertProc; local->dev = NULL; local->private = priv; local->private_flags = 0; local->conf_idev = dev; /*local->always_core_feedback = 0;*/ xf86CollectInputOptions(local, default_options, NULL); xf86OptionListReport(local->options); if (NewAceCadPreInit(drv, local, flags) == Success) return local; SetupProc_fail: return NULL; } static int NewAceCadPreInit(InputDriverPtr drv, InputInfoPtr local, int flags) #else static int AceCadPreInit(InputDriverPtr drv, InputInfoPtr local, int flags) #endif { AceCadPrivatePtr priv = calloc (1, sizeof(AceCadPrivateRec)); int speed; int msgtype; char *s; if (!priv) return BadAlloc; memset(priv, 0, sizeof(AceCadPrivateRec)); local->device_control = DeviceControl; priv->acecadInc = xf86SetIntOption(local->options, "Increment", 0 ); s = xf86FindOptionValue(local->options, "Device"); if (!s || (s && (xf86NameCmp(s, "auto-dev") == 0))) { #ifdef HAVE_LINUX_INPUT_H priv->flags |= AUTODEV_FLAG; if (!AceCadAutoDevProbe(local, 0)) { xf86Msg(X_ERROR, "%s: unable to find device\n", local->name); goto SetupProc_fail; } #else xf86Msg(X_NOT_IMPLEMENTED, "%s: device autodetection not implemented, sorry\n", local->name); goto SetupProc_fail; #endif } local->fd = xf86OpenSerial (local->options); if (local->fd == -1) { xf86Msg(X_ERROR, "%s: unable to open device\n", local->name); goto SetupProc_fail; } xf86ErrorFVerb( 6, "tty port opened successfully\n" ); #ifdef HAVE_LINUX_INPUT_H if (IsUSBLine(local->fd)) { priv->flags |= USB_FLAG; local->read_input = USBReadInput; if (USBQueryHardware(local) != Success) { xf86Msg(X_ERROR, "%s: unable to query/initialize hardware (not an %s?).\n", local->name, local->type_name); goto SetupProc_fail; } } else #endif { local->read_input = ReadInput; msgtype = X_DEFAULT; if (xf86FindOptionValue(local->options, "ReportSpeed")) { msgtype = X_CONFIG; speed = xf86SetIntOption(local->options, "ReportSpeed", 85 ); } else { speed = 85; } switch (speed) { case 120: priv->acecadReportSpeed = 'Q'; break; case 85: priv->acecadReportSpeed = 'R'; break; case 10: priv->acecadReportSpeed = 'S'; break; case 2: priv->acecadReportSpeed = 'T'; break; default: priv->acecadReportSpeed = 'R'; speed = 85; xf86Msg(X_ERROR, "%s: ReportSpeed value %d invalid. Possible values: 120, 85, 10, 2. Defaulting to 85\n", local->name, speed); msgtype = X_DEFAULT; } xf86Msg(msgtype, "%s report %d points/s\n", local->name, speed); priv->buffer = XisbNew (local->fd, 200); /* * Verify that hardware is attached and fuctional */ if (QueryHardware(priv) != Success) { xf86Msg(X_ERROR, "%s: unable to query/initialize hardware (not an %s?).\n", local->name, local->type_name); goto SetupProc_fail; } } s = xf86FindOptionValue(local->options, "Mode"); msgtype = s ? X_CONFIG : X_DEFAULT; if (!(s && (xf86NameCmp(s, "relative") == 0))) { priv->flags |= ABSOLUTE_FLAG; } xf86Msg(msgtype, "%s is in %s mode\n", local->name, (priv->flags & ABSOLUTE_FLAG) ? "absolute" : "relative"); DBG (9, XisbTrace (priv->buffer, 1)); xf86ProcessCommonOptions(local, local->options); #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 12 local->flags |= XI86_CONFIGURED; #endif if (local->fd != -1) { xf86RemoveEnabledDevice (local); if (priv->buffer) { XisbFree(priv->buffer); priv->buffer = NULL; } xf86CloseSerial(local->fd); } xf86RemoveEnabledDevice (local); local->fd = -1; return Success; /* * If something went wrong, cleanup and return NULL */ SetupProc_fail: if ((local) && (local->fd)) xf86CloseSerial (local->fd); if ((priv) && (priv->buffer)) XisbFree (priv->buffer); if (priv) { free (priv); if (local) local->private = NULL; } xf86DeleteInput(local, 0); return BadAlloc; } static Bool DeviceControl (DeviceIntPtr dev, int mode) { Bool RetValue; switch (mode) { case DEVICE_INIT: DeviceInit(dev); RetValue = Success; break; case DEVICE_ON: RetValue = DeviceOn(dev); break; case DEVICE_OFF: RetValue = DeviceOff(dev); break; case DEVICE_CLOSE: RetValue = DeviceClose(dev); break; default: RetValue = BadValue; } return RetValue; } static Bool DeviceOn (DeviceIntPtr dev) { char buffer[256]; InputInfoPtr local = (InputInfoPtr) dev->public.devicePrivate; AceCadPrivatePtr priv = (AceCadPrivatePtr) (local->private); xf86MsgVerb(X_INFO, 4, "%s Device On\n", local->name); local->fd = xf86OpenSerial(local->options); if (local->fd == -1) { xf86Msg(X_WARNING, "%s: cannot open input device %s: %s\n", local->name, xf86FindOptionValue(local->options, "Device"), strerror(errno)); priv->flags &= ~AVAIL_FLAG; #ifdef HAVE_LINUX_INPUT_H if ((priv->flags & AUTODEV_FLAG) && AceCadAutoDevProbe(local, 4)) local->fd = xf86OpenSerial(local->options); if (local->fd == -1) #endif return !Success; } priv->flags |= AVAIL_FLAG; if (!(priv->flags & USB_FLAG)) { priv->buffer = XisbNew(local->fd, 200); if (!priv->buffer) { xf86CloseSerial(local->fd); local->fd = -1; return !Success; } /* Rets qu'a l'envoyer a la tablette */ sprintf(buffer, "%s%c%c%c%c", acecad_initstr, priv->acecadReportSpeed, ACECAD_INCREMENT, 32 + priv->acecadInc, (priv->flags & ABSOLUTE_FLAG)? ACECAD_ABSOLUTE: ACECAD_RELATIVE); XisbWrite (priv->buffer, (unsigned char *)buffer, strlen(buffer)); } xf86FlushInput(local->fd); xf86AddEnabledDevice (local); dev->public.on = TRUE; return Success; } static Bool DeviceOff (DeviceIntPtr dev) { InputInfoPtr local = (InputInfoPtr) dev->public.devicePrivate; AceCadPrivatePtr priv = (AceCadPrivatePtr) (local->private); xf86MsgVerb(X_INFO, 4, "%s Device Off\n", local->name); if (local->fd != -1) { xf86RemoveEnabledDevice (local); if (priv->buffer) { XisbFree(priv->buffer); priv->buffer = NULL; } xf86CloseSerial(local->fd); } xf86RemoveEnabledDevice (local); dev->public.on = FALSE; return Success; } static Bool DeviceClose (DeviceIntPtr dev) { InputInfoPtr local = (InputInfoPtr) dev->public.devicePrivate; xf86MsgVerb(X_INFO, 4, "%s Device Close\n", local->name); return Success; } static void ControlProc(DeviceIntPtr dev, PtrCtrl *ctrl) { InputInfoPtr local = (InputInfoPtr) dev->public.devicePrivate; xf86MsgVerb(X_INFO, 4, "%s Control Proc\n", local->name); } static Bool DeviceInit (DeviceIntPtr dev) { int rx, ry; InputInfoPtr local = (InputInfoPtr) dev->public.devicePrivate; AceCadPrivatePtr priv = (AceCadPrivatePtr) (local->private); unsigned char map[] = {0, 1, 2, 3}; int history_size; #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7 Atom btn_labels[3]; Atom axes_labels[3]; btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT); btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE); btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT); if ((priv->flags & ABSOLUTE_FLAG)) { axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_ABS_X); axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_ABS_Y); axes_labels[2] = XIGetKnownProperty(AXIS_LABEL_PROP_ABS_PRESSURE); } else { axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X); axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y); axes_labels[2] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Z); } #endif xf86MsgVerb(X_INFO, 4, "%s Init\n", local->name); /* 3 boutons */ if (InitButtonClassDeviceStruct (dev, 3, #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7 btn_labels, #endif map) == FALSE) { xf86Msg(X_ERROR, "%s: unable to allocate ButtonClassDeviceStruct\n", local->name); return !Success; } if (InitFocusClassDeviceStruct (dev) == FALSE) { xf86Msg(X_ERROR, "%s: unable to allocate FocusClassDeviceStruct\n", local->name); return !Success; } if (InitPtrFeedbackClassDeviceStruct(dev, ControlProc) == FALSE) { xf86Msg(X_ERROR, "%s: unable to init ptr feedback\n", local->name); return !Success; } history_size = xf86SetIntOption(local->options , "HistorySize", 0); /* 3 axes */ if (InitValuatorClassDeviceStruct (dev, 3, #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7 axes_labels, #endif #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 3 xf86GetMotionEvents, #endif history_size, ((priv->flags & ABSOLUTE_FLAG)? Absolute: Relative)|OutOfProximity) == FALSE) { xf86Msg(X_ERROR, "%s: unable to allocate ValuatorClassDeviceStruct\n", local->name); return !Success; } else { InitValuatorAxisStruct(dev, 0, #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7 axes_labels[0], #endif 0, /* min val */ #if XORG_BOTCHED_INPUT screenInfo.screens[0]->width, #else priv->acecadMaxX, /* max val */ #endif 1000, /* resolution */ 0, /* min_res */ 1000 /* max_res */ #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 12 , Absolute #endif ); InitValuatorAxisStruct(dev, 1, #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7 axes_labels[1], #endif 0, /* min val */ #if XORG_BOTCHED_INPUT screenInfo.screens[0]->height, #else priv->acecadMaxY, /* max val */ #endif 1000, /* resolution */ 0, /* min_res */ 1000 /* max_res */ #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 12 , Absolute #endif ); InitValuatorAxisStruct(dev, 2, #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7 axes_labels[2], #endif 0, /* min val */ priv->acecadMaxZ, /* max val */ 1000, /* resolution */ 0, /* min_res */ 1000 /* max_res */ #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 12 , Absolute #endif ); } if (InitProximityClassDeviceStruct (dev) == FALSE) { xf86Msg(X_ERROR, "%s: unable to allocate ProximityClassDeviceStruct\n", local->name); return !Success; } xf86MotionHistoryAllocate (local); /* On ne peut pas calculer l'increment avant, faute d'ecran pour connaitre la taille... */ if (priv->acecadInc > 95) priv->acecadInc = 95; if (priv->acecadInc < 1) { /* guess the best increment value given video mode */ rx = priv->acecadMaxX / screenInfo.screens[0]->width; ry = priv->acecadMaxY / screenInfo.screens[0]->height; if (rx < ry) priv->acecadInc = rx; else priv->acecadInc = ry; if (priv->acecadInc < 1) priv->acecadInc = 1; } xf86Msg(X_INFO, "%s Increment: %d\n", local->name, priv->acecadInc); return Success; } static void ReadInput (InputInfoPtr local) { int x, y, z; int prox, buttons; int is_core_pointer = 0, is_absolute; AceCadPrivatePtr priv = (AceCadPrivatePtr) (local->private); /*xf86Msg(X_INFO, "ACECAD Tablet Read Input\n");*/ is_absolute = (priv->flags & ABSOLUTE_FLAG); #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) == 0 is_core_pointer = xf86IsCorePointer(local->dev); #endif /* * set blocking to -1 on the first call because we know there is data to * read. Xisb automatically clears it after one successful read so that * succeeding reads are preceeded buy a select with a 0 timeout to prevent * read from blocking indefinately. */ XisbBlockDuration (priv->buffer, -1); while (AceCadGetPacket (priv) == Success) { x = (int)priv->packet[1] | ((int)priv->packet[2] << 7); y = (int)priv->packet[3] | ((int)priv->packet[4] << 7); if (!(priv->flags & ABSOLUTE_FLAG)) { x = priv->packet[0] & XSIGN_BIT? x:-x; y = priv->packet[0] & YSIGN_BIT? y:-y; } else { y = priv->acecadMaxY - y ; } z = ((int)priv->packet[5] << 2) | (((int)priv->packet[6] & 0x01) << 1) | (((int)priv->packet[6] & 0x10) >> 4); buttons = ((int)priv->packet[0] & 0x07) | ((int)priv->packet[6] & 0x02 << 2); prox = (priv->packet[0] & PROXIMITY_BIT)? 0: 1; if (prox) { if (!(priv->acecadOldProximity)) if (!is_core_pointer) { /*xf86Msg(X_INFO, "ACECAD Tablet ProxIN %d %d %d\n",x, y, z);*/ xf86PostProximityEvent(local->dev, 1, 0, 3 , x, y, z); } if ((is_absolute && ((priv->acecadOldX != x) || (priv->acecadOldY != y) || (priv->acecadOldZ != z))) || (!is_absolute && (x || y))) { if (is_absolute || priv->acecadOldProximity) { /*xf86Msg(X_INFO, "ACECAD Tablet Motion %d %d %d\n", x, y, z);*/ xf86PostMotionEvent(local->dev, is_absolute, 0, 3, x, y, z); } } if (priv->acecadOldButtons != buttons) { int delta = buttons ^ priv->acecadOldButtons; while (delta) { int id = ffs(delta); delta &= ~(1 << (id-1)); /*xf86Msg(X_INFO, "ACECAD Tablet Button %d 0x%x\n",id,(buttons&(1<<(id-1))));*/ xf86PostButtonEvent(local->dev, is_absolute, id, (buttons&(1<<(id-1))), 0, 3, x, y,z); } } priv->acecadOldButtons = buttons; priv->acecadOldX = x; priv->acecadOldY = y; priv->acecadOldZ = z; priv->acecadOldProximity = prox; } else { if (!is_core_pointer) if (priv->acecadOldProximity) { /*xf86Msg(X_INFO, "ACECAD Tablet ProxOUT %d %d %d\n",x, y, z);*/ xf86PostProximityEvent(local->dev, 0, 0, 3, x,y,z); } priv->acecadOldProximity = 0; } } /*xf86Msg(X_INFO, "ACECAD Tablet Sortie Read Input\n");*/ } #ifdef HAVE_LINUX_INPUT_H #define set_bit(byte,nb,bit) (bit ? byte | (1<<nb) : byte & (~(1<<nb))) static void USBReadInput (InputInfoPtr local) { int len; struct input_event * event; char eventbuf[sizeof(struct input_event) * MAX_EVENTS]; AceCadPrivatePtr priv = (AceCadPrivatePtr) (local->private); int x = priv->acecadOldX; int y = priv->acecadOldY; int z = priv->acecadOldZ; int report_x, report_y; int prox = priv->acecadOldProximity; int buttons = priv->acecadOldButtons; int is_core_pointer = 0; #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) == 0 is_core_pointer = xf86IsCorePointer(local->dev); #endif /* Is autodev active? */ int autodev = priv->flags & AUTODEV_FLAG; /* Was the device available last time we checked? */ int avail = priv->flags & AVAIL_FLAG; SYSCALL(len = xf86ReadSerial(local->fd, eventbuf, sizeof(eventbuf))); if (len <= 0) { if (avail) { xf86Msg(X_ERROR, "%s: error reading device %s: %s\n", local->name, xf86FindOptionValue(local->options, "Device"), strerror(errno)); } if (NOTAVAIL) { priv->flags &= ~AVAIL_FLAG; if(autodev) { if (AceCadAutoDevProbe(local, 4)) { DeviceOff(local->dev); DeviceOn(local->dev); } } } return; } else { if (!avail) { /* If the device wasn't available last time we checked */ xf86Msg(X_INFO, "%s: device %s is available again\n", local->name, xf86FindOptionValue(local->options, "Device")); priv->flags |= AVAIL_FLAG; } } for (event = (struct input_event *)eventbuf; event < (struct input_event *)(eventbuf+len); event++) { switch (event->type) { case EV_SYN: /* 2.6.x */ if (event->code != SYN_REPORT) xf86Msg(X_ERROR, "%s: unknown EV_SYN code %d\n", local->name, event->code); break; case EV_ABS: switch (event->code) { case ABS_X: x = event->value; break; case ABS_Y: y = event->value; break; case ABS_PRESSURE: z = event->value; break; case ABS_MISC: break; } break; /* EV_ABS */ case EV_KEY: switch (event->code) { case BTN_TOOL_PEN: prox = event->value; break; case BTN_TOUCH: buttons = set_bit(buttons,0,event->value); break; case BTN_STYLUS: buttons = set_bit(buttons,1,event->value); break; case BTN_STYLUS2: buttons = set_bit(buttons,2,event->value); break; } break; /* EV_KEY */ default: xf86Msg(X_ERROR, "%s: unknown event type/code %d/%d\n", local->name, event->type, event->code); } /* switch event->type */ /* Linux Kernel 2.6.x sends EV_SYN/SYN_REPORT as an event terminator, * whereas 2.4.x sends EV_ABS/ABS_MISC. We have to support both. */ if (!( (event->type == EV_SYN && event->code == SYN_REPORT) || (event->type == EV_ABS && event->code == ABS_MISC) )) { continue; } if (prox) { #if XORG_BOTCHED_INPUT ConvertProc(local, 0, 3, x, y, 0, 0, 0, 0, &report_x, &report_y); #else report_x = x; report_y = y; #endif if (!(priv->acecadOldProximity)) if (!is_core_pointer) { xf86PostProximityEvent(local->dev, 1, 0, 3 , report_x, report_y, z); } xf86PostMotionEvent(local->dev, 1, 0, 3, report_x, report_y, z); if (priv->acecadOldButtons != buttons) { int delta = buttons ^ priv->acecadOldButtons; while (delta) { int id = ffs(delta); delta &= ~(1 << (id-1)); xf86PostButtonEvent(local->dev, 1, id, (buttons&(1<<(id-1))), 0, 3, report_x, report_y, z); } } } else { if (!is_core_pointer) if (priv->acecadOldProximity) { xf86PostProximityEvent(local->dev, 0, 0, 3, report_x, report_y, z); } priv->acecadOldProximity = 0; } priv->acecadOldButtons = buttons; priv->acecadOldX = x; priv->acecadOldY = y; priv->acecadOldZ = z; priv->acecadOldProximity = prox; } /*xf86Msg(X_INFO, "ACECAD Tablet Sortie Read Input\n");*/ } #endif /* * The ConvertProc function may need to be tailored for your device. * This function converts the device's valuator outputs to x and y coordinates * to simulate mouse events. */ static Bool ConvertProc (InputInfoPtr local, int first, int num, int v0, int v1, int v2, int v3, int v4, int v5, int *x, int *y) { AceCadPrivatePtr priv = (AceCadPrivatePtr)(local->private); /* TODO: should have a structure to hold which screen the * pointer is attached to? */ // xf86Msg(X_INFO, "%s: coordinate conversion in : %d, %d\n", local->name, v0, v1); *x = v0 * screenInfo.screens[0]->width / priv->acecadMaxX; *y = v1 * screenInfo.screens[0]->height / priv->acecadMaxY; // xf86Msg(X_INFO, "%s: coordinate conversion out: %d, %d\n", local->name, *x, *y); return TRUE; } static Bool ReverseConvertProc (InputInfoPtr local, int x, int y, int *valuators) { AceCadPrivatePtr priv = (AceCadPrivatePtr)(local->private); // xf86Msg(X_INFO, "%s: reverse coordinate conversion in : %d, %d\n", local->name, x, y); valuators[0] = x * priv->acecadMaxX / screenInfo.screens[0]->width; valuators[1] = y * priv->acecadMaxY / screenInfo.screens[0]->height; // xf86Msg(X_INFO, "%s: reverse coordinate conversion out: %d, %d\n", local->name, valuators[0], valuators[1]); return TRUE; } #define WriteString(str)\ XisbWrite (priv->buffer, (unsigned char *)(str), strlen(str)) static Bool QueryHardware (AceCadPrivatePtr priv) { /* Reset */ WriteString("z0"); /* Wait */ milisleep (250); /* Prompt Mode in order to not be disturbed */ WriteString(ACECAD_PROMPT_MODE); /* Flush */ while (XisbRead(priv->buffer) >= 0); /* Ask for Config packet*/ WriteString(ACECAD_CONFIG); /* Read the packet */ XisbBlockDuration (priv->buffer, 1000000); NewPacket (priv); /*xf86Msg(X_CONFIG, "ACECAD Tablet init envoyé \n");*/ if ((AceCadGetPacket (priv) == Success)) { priv->acecadMaxX = (int)priv->packet[1] + ((int)priv->packet[2] << 7); priv->acecadMaxY = (int)priv->packet[3] + ((int)priv->packet[4] << 7); priv->acecadMaxZ = 512; xf86Msg(X_PROBED, "ACECAD Tablet MaxX:%d MaxY:%d\n", priv->acecadMaxX, priv->acecadMaxY); } else return !Success; /*xf86Msg(X_INFO, "ACECAD Tablet query hardware fini \n");*/ return Success; } #define BITS_PER_LONG (sizeof(long) * 8) #define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1) #define test_bit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1) #define OFF(x) ((x)%BITS_PER_LONG) #define LONG(x) ((x)/BITS_PER_LONG) #ifdef HAVE_LINUX_INPUT_H static Bool USBQueryHardware (InputInfoPtr local) { AceCadPrivatePtr priv = (AceCadPrivatePtr) local->private; unsigned long bit[EV_MAX][NBITS(KEY_MAX)]; int i, j; int abs[5]; char name[256] = "Unknown"; ioctl(local->fd, EVIOCGNAME(sizeof(name)), name); xf86MsgVerb(X_PROBED, 4, "Kernel Input device name: \"%s\"\n", name); memset(bit, 0, sizeof(bit)); ioctl(local->fd, EVIOCGBIT(0, EV_MAX), bit[0]); for (i = 0; i < EV_MAX; i++) if (test_bit(i, bit[0])) { ioctl(local->fd, EVIOCGBIT(i, KEY_MAX), bit[i]); for (j = 0; j < KEY_MAX; j++) if (test_bit(j, bit[i])) { if (i == EV_ABS) { ioctl(local->fd, EVIOCGABS(j), abs); switch (j) { case ABS_X: priv->acecadMaxX = abs[2]; break; case ABS_Y: priv->acecadMaxY = abs[2]; break; case ABS_PRESSURE: priv->acecadMaxZ = abs[2]; break; } } } } xf86Msg(X_PROBED, "ACECAD Tablet MaxX:%d MaxY:%d MaxZ:%d\n", priv->acecadMaxX, priv->acecadMaxY, priv->acecadMaxZ); return Success; } #endif static void NewPacket (AceCadPrivatePtr priv) { priv->packeti = 0; } static Bool AceCadGetPacket (AceCadPrivatePtr priv) { int count = 0; int c = 0; while((c = XisbRead(priv->buffer)) >= 0 ) { /* * fail after 500 bytes so the server doesn't hang forever if a * device sends bad data. */ if (count++ > 500) { NewPacket (priv); return !Success; } if (c & PHASING_BIT) { NewPacket(priv); /*xf86Msg(X_CONFIG, "Push %2.2x\n",(char) c);*/ XisbBlockDuration (priv->buffer, 10000); priv->packet[priv->packeti++] = c; count = ACECAD_PACKET_SIZE - 1; while (count-- && (c = XisbRead(priv->buffer)) >= 0) { /*xf86Msg(X_INFO, "Push %2.2x\n",(char) c);*/ priv->packet[priv->packeti++] = c; } XisbBlockDuration (priv->buffer, 0); if(c > 0) return Success; } } return !Success; }