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xenocara/driver/xf86-input-acecad/src/acecad.c

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/*
* 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;
}
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