Edit
IABSD.fr/xenocara/driver/openbsd-input-usbtablet/src/usbtablet.c
matthieu
- driver/openbsd-input-usbtablet/src/usbtablet.c
-
/* * Copyright (c) 1999 Lennart Augustsson <augustss@netbsd.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* $OpenBSD: usbtablet.c,v 1.2 2007/04/01 19:07:36 matthieu Exp $ */ /* * Driver for USB HID tablet devices. * Works for: * Wacom PenPartner * Wacom Graphire */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <unistd.h> #include <errno.h> #include <dev/usb/usb.h> #include <dev/usb/usbhid.h> #include <misc.h> #include <xf86.h> #include <xf86_OSproc.h> #include <X11/extensions/XI.h> #include <X11/extensions/XIproto.h> #include <xf86Xinput.h> #include <xisb.h> #include <exevents.h> /* Needed for InitValuator/Proximity stuff */ #include <extnsionst.h> #include <extinit.h> #ifdef XFree86LOADER #include "xf86Module.h" #endif #ifdef USB_GET_REPORT_ID #define USB_NEW_HID #endif #include <usbhid.h> #define SYSCALL(call) while(((call) == -1) && (errno == EINTR)) #define ABS(x) ((x) > 0 ? (x) : -(x)) #define mils(res) (res * 1000 / 2.54) /* resolution */ #define STYLUS_SEC "usbstylus" /* config section name */ #define STYLUS_XI "Stylus" /* X device name for the stylus */ #define STYLUS_ID 1 /* local id */ #define ERASER_SEC "usberaser" /* config section name */ #define ERASER_XI "Eraser" /* X device name for the stylus */ #define ERASER_ID 2 /* local id */ #define ABSOLUTE_FLAG 0x10000 #define NBUTTONS 4 #define NAXES 5 /* X, Y, Pressure, Tilt-X, Tilt-Y */ typedef struct USBTDevice USBTDevice, *USBTDevicePtr; typedef struct { char *devName; int nDevs; InputInfoPtr *devices; double factorX; double factorY; hid_item_t hidX; hid_item_t hidY; hid_item_t hidTiltX; hid_item_t hidTiltY; hid_item_t hidIn_Range; hid_item_t hidTip_Pressure; hid_item_t hidBarrel_Switch[NBUTTONS]; hid_item_t hidInvert; int reportSize; int reportId; int nSwitch; USBTDevicePtr currentProxDev; } USBTCommon, *USBTCommonPtr; typedef struct { int x, y, pressure, buttons, xTilt, yTilt, proximity; } USBTState; struct USBTDevice { USBTCommonPtr comm; USBTDevicePtr next; InputInfoPtr info; USBTState state; int threshold; int thresCent; int suppress; int flags; }; /* Function prototypes */ #ifdef XFree86LOADER static MODULESETUPPROTO(SetupProc); static void TearDownProc(pointer); static const OptionInfoRec *UsbTabletAvailableOptions(void *); #endif static LocalDevicePtr UsbTabletAllocateStylus(InputDriverPtr); static LocalDevicePtr UsbTabletAllocateEraser(InputDriverPtr); static LocalDevicePtr UsbTabletAllocate(InputDriverPtr, char *, int); static InputInfoPtr UsbTabletPreInit(InputDriverPtr, IDevPtr, int); static int UsbTabletProc(DeviceIntPtr, int); static void UsbTabletReadInput(InputInfoPtr); static int UsbTabletChangeControl(InputInfoPtr, xDeviceCtl *); static int UsbTabletSwitchMode(ClientPtr, DeviceIntPtr, int); static void UsbTabletClose(InputInfoPtr); static Bool UsbTabletConvert(InputInfoPtr, int, int, int, int, int, int, int, int, int *, int *); static Bool UsbTabletReverseConvert(InputInfoPtr, int, int, int *); static void UsbTabletControlProc(DeviceIntPtr, PtrCtrl *); static int UsbTabletOpenDevice(DeviceIntPtr); static void UsbTabletSendEvents(InputInfoPtr, int, USBTState *); static void UsbTabletSendButtons(InputInfoPtr, int, int, int, int, int, int); static void UsbTabletOutOfProx(USBTDevicePtr prx); static void UsbTabletIntoProx(USBTDevicePtr prx, USBTState *ds); #ifdef XFree86LOADER static XF86ModuleVersionInfo VersionRec = { "usbtablet", MODULEVENDORSTRING, MODINFOSTRING1, MODINFOSTRING2, XF86_VERSION_CURRENT, 1, 0, 0, ABI_CLASS_XINPUT, ABI_XINPUT_VERSION, MOD_CLASS_XINPUT, {0, 0, 0, 0} /* signature to be patched into the file */ }; #endif typedef enum { USBTOPT_DEVICE, USBTOPT_DEBUG_LEVEL, USBTOPT_HISTORY_SIZE, USBTOPT_THRESHOLD, USBTOPT_SUPPRESS, } USBTOpts; static const OptionInfoRec USBTOptions[] = { { USBTOPT_DEVICE, "device", OPTV_STRING, {0}, FALSE }, { USBTOPT_DEBUG_LEVEL, "debuglevel", OPTV_INTEGER, {0}, FALSE}, { USBTOPT_HISTORY_SIZE, "historysize", OPTV_INTEGER, {0}, FALSE}, { USBTOPT_THRESHOLD, "threshold", OPTV_INTEGER, {0}, FALSE}, { USBTOPT_SUPPRESS, "suppress", OPTV_INTEGER, {0}, FALSE}, { -1, NULL, OPTV_NONE, {0}, FALSE} }; #ifdef XFree86LOADER XF86ModuleData usbtabletModuleData = {&VersionRec, SetupProc, TearDownProc }; ModuleInfoRec UsbTabletInfo = { 1, "USBTABLET", NULL, 0, UsbTabletAvailableOptions, }; #endif InputDriverRec USBTABLET = { 1, "usbtablet", NULL, UsbTabletPreInit, NULL, 0 }; /* * Debugging macro */ #ifdef DBG #undef DBG #endif #ifdef DEBUG #undef DEBUG #endif static int debug_level = 0; #define DEBUG 1 #if DEBUG #define DBG(lvl, f) {if ((lvl) <= debug_level) f;} #else #define DBG(lvl, f) #endif /** ** Function definitions **/ #ifdef XFree86LOADER static pointer SetupProc(pointer module, pointer options, int *errmaj, int *errmin) { static Bool Initialised = FALSE; if (!Initialised) { Initialised = TRUE; #ifndef REMOVE_LOADER_CHECK_MODULE_INFO if (xf86LoaderCheckSymbol("xf86AddModuleInfo")) #endif xf86AddModuleInfo(&UsbTabletInfo, module); xf86Msg(X_INFO, "USB Tablet driver\n"); xf86AddInputDriver(&USBTABLET, module, 0); } return module; } static void TearDownProc(pointer p) { DBG(1, ErrorF("USB Tablet TearDownProc Called\n")); } #endif /* XFree86LOADER */ static int UsbTabletProc(DeviceIntPtr pUSBT, int what) { InputInfoPtr pInfo = (InputInfoPtr)pUSBT->public.devicePrivate; USBTDevicePtr priv = (USBTDevicePtr)XI_PRIVATE(pUSBT); CARD8 map[NBUTTONS+1]; int i; switch (what) { case DEVICE_INIT: DBG(1, ErrorF("UsbTabletProc DEVICE_INIT\n")); pUSBT->public.on = FALSE; for (i = 1; i <= NBUTTONS; i++) { map[i] = i; } if (InitButtonClassDeviceStruct(pUSBT, NBUTTONS, map) == FALSE) { xf86Msg(X_ERROR, "unable to allocate Button class device\n"); return !Success; } if (InitFocusClassDeviceStruct(pUSBT) == FALSE) { xf86Msg(X_ERROR, "unable to init Focus class device\n"); return !Success; } if (InitPtrFeedbackClassDeviceStruct(pUSBT, UsbTabletControlProc) == FALSE) { xf86Msg(X_ERROR, "unable to init ptr feedback\n"); return !Success; } if (InitProximityClassDeviceStruct(pUSBT) == FALSE) { xf86Msg(X_ERROR, "unable to init proximity class device\n"); return !Success; } if (InitValuatorClassDeviceStruct( pUSBT, NAXES, xf86GetMotionEvents, pInfo->history_size, ((priv->flags & ABSOLUTE_FLAG) ? Absolute : Relative) | OutOfProximity) == FALSE) { xf86Msg(X_ERROR, "unable to allocate Valuator class device\n"); return !Success; } else { /* allocate the motion history buffer if needed */ xf86MotionHistoryAllocate(pInfo); AssignTypeAndName(pUSBT, pInfo->atom, pInfo->name); } /* open the device to gather informations */ UsbTabletOpenDevice(pUSBT); break; case DEVICE_ON: DBG(1, ErrorF("UsbTabletProc DEVICE_ON\n")); if ((pInfo->fd < 0) && (!UsbTabletOpenDevice(pUSBT))) { return !Success; } xf86AddEnabledDevice(pInfo); pUSBT->public.on = TRUE; break; case DEVICE_OFF: DBG(1, ErrorF("UsbTabletProc DEVICE_OFF\n")); if (pInfo->fd >= 0) { xf86RemoveEnabledDevice(pInfo); UsbTabletClose(pInfo); } pUSBT->public.on = FALSE; break; case DEVICE_CLOSE: DBG(1, ErrorF("UsbTabletProc DEVICE_CLOSE\n")); UsbTabletClose(pInfo); break; default: xf86Msg(X_ERROR, "UsbTabletProc: unsupported mode %d\n", what); return !Success; } /* switch */ return Success; } static void UsbTabletReadInput(InputInfoPtr pInfo) { USBTDevicePtr priv = (USBTDevicePtr)pInfo->private; USBTCommonPtr comm = priv->comm; int invert, len, i; unsigned char buffer[200], *p; USBTState ds; DBG(7, ErrorF("UsbTabletReadInput BEGIN device=%s fd=%d\n", comm->devName, pInfo->fd)); for(;;) { p = buffer; DBG(10, ErrorF("UsbTabletReadInput reading fd=%d len=%d\n", pInfo->fd, comm->reportSize)); len = xf86ReadSerial(pInfo->fd, p, comm->reportSize); DBG(8, ErrorF("UsbTabletReadInput len=%d\n", len)); if (len <= 0) { if (errno != EAGAIN) { Error("error reading USBT device"); } break; } #ifndef USB_NEW_HID if (comm->reportId) p++; #endif ds.x = hid_get_data(p, &comm->hidX); ds.y = hid_get_data(p, &comm->hidY); ds.buttons = 0; for (i = 0; i < comm->nSwitch; i++) { if (hid_get_data(p, &comm->hidBarrel_Switch[i])) { ds.buttons |= (1 << (i+1)); } } invert = hid_get_data(p, &comm->hidInvert); ds.pressure = hid_get_data(p, &comm->hidTip_Pressure); if (ds.pressure > priv->threshold) ds.buttons |= 1; ds.proximity = hid_get_data(p, &comm->hidIn_Range); ds.xTilt = hid_get_data(p, &comm->hidTiltX); ds.yTilt = hid_get_data(p, &comm->hidTiltY); if (!ds.proximity) UsbTabletOutOfProx(comm->currentProxDev); for (i = 0; i < comm->nDevs; i++) { DBG(7, ErrorF("UsbTabletReadInput sending to %s\n", comm->devices[i]->name)); UsbTabletSendEvents(comm->devices[i], invert, &ds); } } DBG(7, ErrorF("UsbTabletReadInput END pInfo=%p priv=%p\n", pInfo, priv)); } static void UsbTabletOutOfProx(USBTDevicePtr prx) { USBTState *ods; if (!prx) return; DBG(1, ErrorF("Out of proximity %s\n", prx->info->name)); ods = &prx->state; prx->comm->currentProxDev = 0; if (prx->state.buttons) { /* Report buttons up when the device goes out of proximity. */ DBG(9, ErrorF("xf86USBTOutOfProx: reset buttons\n")); UsbTabletSendButtons(prx->info, 0, ods->x, ods->y, ods->pressure, ods->xTilt, ods->yTilt); prx->state.buttons = 0; } if (!xf86IsCorePointer(prx->info->dev)) { DBG(1, ErrorF("xf86USBTSendEvents: out proximity\n")); xf86PostProximityEvent(prx->info->dev, 0, 0, 5, ods->x, ods->y, ods->pressure, ods->xTilt, ods->yTilt); } } static void UsbTabletIntoProx(USBTDevicePtr prx, USBTState *ds) { if (prx->comm->currentProxDev == prx) return; UsbTabletOutOfProx(prx->comm->currentProxDev); prx->comm->currentProxDev = prx; DBG(1, ErrorF("Into proximity %s\n", prx->info->name)); if (!xf86IsCorePointer(prx->info->dev)) { DBG(1, ErrorF("xf86USBTSendEvents: in proximity\n")); xf86PostProximityEvent(prx->info->dev, 1, 0, 5, ds->x, ds->y, ds->pressure, ds->xTilt, ds->yTilt); } } static void UsbTabletSendButtons(InputInfoPtr pInfo, int buttons, int rx, int ry, int rz, int rtx, int rty) { USBTDevicePtr priv = (USBTDevicePtr) pInfo->private; int button, mask; for (button = 1; button < NBUTTONS; button++) { mask = 1 << (button-1); if ((mask & priv->state.buttons) != (mask & buttons)) { DBG(4, ErrorF("UsbTabletSendButtons button=%d is %d\n", button, (buttons & mask) != 0)); xf86PostButtonEvent(pInfo->dev, (priv->flags & ABSOLUTE_FLAG), button, (buttons & mask) != 0, 0, 5, rx, ry, rz, rtx, rty); } } } static void UsbTabletSendEvents(InputInfoPtr pInfo, int invert, USBTState *ds) { USBTDevicePtr priv = (USBTDevicePtr)pInfo->private; USBTState *ods = &priv->state; int is_abs; int rx, ry, rz, rtx, rty; DBG(9, ErrorF("UsbTabletSendEvents %s x=%d y=%d pressure=%d buttons=%x " "xTilt=%d yTilt=%d proximity=%d, invert=%d, eraser=%d\n", pInfo->name, ds->x, ds->y, ds->pressure, ds->buttons, ds->xTilt, ds->yTilt, ds->proximity, invert, (priv->flags & ERASER_ID) != 0)); if (!ds->proximity) return; if (((priv->flags & ERASER_ID) != 0) != invert) return; UsbTabletIntoProx(priv, ds); if (ds->buttons == ods->buttons && ds->proximity == ods->proximity && ABS(ds->x - ods->x) < priv->suppress && ABS(ds->y - ods->y) < priv->suppress && ds->pressure == ods->pressure && ds->xTilt == ods->xTilt && ds->yTilt == ods->yTilt) { DBG(9, ErrorF("UsbTabletSendEvents no change\n")); return; } is_abs = 1; rx = ds->x; ry = ds->y; rz = ds->pressure; rtx = ds->xTilt; rty = ds->yTilt; if (rx != ods->x || ry != ods->y || rz != ods->pressure || rtx != ods->xTilt || rty != ods->yTilt) { DBG(9, ErrorF("UsbTabletSendEvents: motion\n")); xf86PostMotionEvent(pInfo->dev, is_abs, 0, 5, rx, ry, rz, rtx, rty); } if (ds->buttons != ods->buttons) UsbTabletSendButtons(pInfo, ds->buttons, rx, ry, rz, rtx, rty); *ods = *ds; } static int UsbTabletChangeControl(InputInfoPtr pInfo, xDeviceCtl *control) { return BadMatch; } static int UsbTabletSwitchMode(ClientPtr client, DeviceIntPtr dev, int mode) { return BadMatch; } static void UsbTabletClose(InputInfoPtr pInfo) { USBTDevicePtr priv = (USBTDevicePtr)pInfo->private; USBTCommonPtr comm = priv->comm; int num, i; for (num = 0, i = 0; i < comm->nDevs; i++) if (comm->devices[i]->fd >= 0) num++; DBG(4, ErrorF("USB tablet number of open devices = %d\n", num)); if (num == 1) { SYSCALL(close(pInfo->fd)); } pInfo->fd = -1; } static Bool UsbTabletConvert(InputInfoPtr pInfo, int first, int num, int v0, int v1, int v2, int v3, int v4, int v5, int *x, int *y) { USBTCommonPtr comm = ((USBTDevicePtr)pInfo->private)->comm; DBG(6, ErrorF("UsbTabletConvert\n")); if (first != 0 || num == 1) return FALSE; *x = v0 * comm->factorX; *y = v1 * comm->factorY; DBG(6, ErrorF("USB tablet converted v0=%d v1=%d to x=%d y=%d\n", v0, v1, *x, *y)); return TRUE; } static Bool UsbTabletReverseConvert(InputInfoPtr pInfo, int x, int y, int *valuators) { USBTCommonPtr comm = ((USBTDevicePtr)pInfo->private)->comm; valuators[0] = x / comm->factorX; valuators[1] = y / comm->factorY; DBG(6, ErrorF("USB tablet converted x=%d y=%d to v0=%d v1=%d\n", x, y, valuators[0], valuators[1])); return TRUE; } static void UsbTabletControlProc(DeviceIntPtr device, PtrCtrl *ctrl) { DBG(2, ErrorF("UsbTabletControlProc\n")); } static Bool UsbTabletOpen(InputInfoPtr pInfo) { USBTDevicePtr priv = (USBTDevicePtr)pInfo->private; USBTCommonPtr comm = priv->comm; hid_data_t d; hid_item_t h; report_desc_t rd; int nSwitch = 0; #ifdef USB_NEW_HID int r; #endif int i; DBG(1, ErrorF("opening %s\n", comm->devName)); /* Use this since O_NDELAY is not implemented by libc open wrapper */ pInfo->fd = xf86OpenSerial(pInfo->options); if (pInfo->fd == -1) { xf86Msg(X_ERROR, "Error opening %s: %s\n", comm->devName, strerror(errno)); return !Success; } #ifdef USB_NEW_HID SYSCALL(r = ioctl(pInfo->fd, USB_GET_REPORT_ID, &comm->reportId)); if (r == -1) { ErrorF("Error ioctl USB_GET_REPORT_ID on %s : %s\n", comm->devName, strerror(errno)); return !Success; } #endif DBG(1, ErrorF("initializing tablet\n")); rd = hid_get_report_desc(pInfo->fd); if (rd == 0) { Error(comm->devName); SYSCALL(close(pInfo->fd)); return !Success; } memset(&comm->hidX, 0, sizeof (hid_item_t)); memset(&comm->hidY, 0, sizeof (hid_item_t)); memset(&comm->hidTiltX, 0, sizeof (hid_item_t)); memset(&comm->hidTiltY, 0, sizeof (hid_item_t)); memset(&comm->hidIn_Range, 0, sizeof (hid_item_t)); memset(&comm->hidInvert, 0, sizeof (hid_item_t)); memset(&comm->hidTip_Pressure, 0, sizeof (hid_item_t)); for (i = 0; i < NBUTTONS; i++) { memset(&comm->hidBarrel_Switch[i], 0, sizeof (hid_item_t)); } for (d = hid_start_parse(rd, 1<<hid_input #ifdef USB_NEW_HID , comm->reportId #endif ); hid_get_item(d, &h); ) { if (h.kind != hid_input || (h.flags & HIO_CONST)) continue; if (h.usage == HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X)) comm->hidX = h; if (h.usage == HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y)) comm->hidY = h; if (h.usage == HID_USAGE2(HUP_GENERIC_DESKTOP, HUD_X_TILT)) comm->hidTiltX = h; if (h.usage == HID_USAGE2(HUP_GENERIC_DESKTOP, HUD_Y_TILT)) comm->hidTiltY = h; if (h.usage == HID_USAGE2(HUP_DIGITIZERS, HUD_INVERT)) comm->hidInvert = h; if (h.usage == HID_USAGE2(HUP_DIGITIZERS, HUD_IN_RANGE)) comm->hidIn_Range = h; if (h.usage == HID_USAGE2(HUP_DIGITIZERS, HUD_TIP_PRESSURE)) comm->hidTip_Pressure = h; if (h.usage == HID_USAGE2(HUP_DIGITIZERS, HUD_BARREL_SWITCH)) comm->hidBarrel_Switch[nSwitch++] = h; } hid_end_parse(d); comm->nSwitch = nSwitch; #ifdef USB_NEW_HID comm->reportSize = hid_report_size(rd, hid_input, comm->reportId); #else comm->reportSize = hid_report_size(rd, hid_input, &comm->reportId); #endif hid_dispose_report_desc(rd); if (comm->hidX.report_size == 0 || comm->hidY.report_size == 0 || comm->hidIn_Range.report_size == 0) { xf86Msg(X_ERROR, "%s has no X, Y, or In_Range report\n", comm->devName); return !Success; } DBG(2, ErrorF("Found X at %d, size=%d\n", comm->hidX.pos, comm->hidX.report_size)); DBG(2, ErrorF("Found Y at %d, size=%d\n", comm->hidY.pos, comm->hidY.report_size)); DBG(2, ErrorF("Found Invert at %d, size=%d\n", comm->hidInvert.pos, comm->hidInvert.report_size)); DBG(2, ErrorF("Found In_Range at %d, size=%d\n", comm->hidIn_Range.pos, comm->hidIn_Range.report_size)); DBG(2, ErrorF("Found Tip_Pressure at %d, size=%d\n", comm->hidTip_Pressure.pos, comm->hidTip_Pressure.report_size)); for (i = 0; i < comm->nSwitch; i++) { DBG(2, ErrorF("Found Barrel_Switch at %d, size=%d\n", comm->hidBarrel_Switch[i].pos, comm->hidBarrel_Switch[i].report_size)); } DBG(2, ErrorF("Report size=%d, report id=%d\n", comm->reportSize, comm->reportId)); comm->factorX = ((double) screenInfo.screens[0]->width) / (comm->hidX.logical_maximum - comm->hidX.logical_minimum); comm->factorY = ((double) screenInfo.screens[0]->height) / (comm->hidY.logical_maximum - comm->hidY.logical_minimum); xf86Msg(X_PROBED, "USBT tablet X=%d..%d, Y=%d..%d", comm->hidX.logical_minimum, comm->hidX.logical_maximum, comm->hidY.logical_minimum, comm->hidY.logical_maximum); if (comm->hidTip_Pressure.report_size != 0) xf86Msg(X_NONE, ", pressure=%d..%d", comm->hidTip_Pressure.logical_minimum, comm->hidTip_Pressure.logical_maximum); xf86Msg(X_NONE, "\n"); return Success; } static int UsbTabletOpenDevice(DeviceIntPtr pUSBT) { InputInfoPtr pInfo = (InputInfoPtr)pUSBT->public.devicePrivate; USBTDevicePtr priv = (USBTDevicePtr)XI_PRIVATE(pUSBT); USBTCommonPtr comm = priv->comm; int i; hid_item_t *h = &comm->hidTip_Pressure; DBG(1, ErrorF("UsbTabletOpenDevice start\n")); if (pInfo->fd < 0) { DBG(2, ErrorF("UsbTabletOpenDevice really open\n")); if (UsbTabletOpen(pInfo) != Success) { if (pInfo->fd >= 0) { SYSCALL(close(pInfo->fd)); } pInfo->fd = -1; return 0; } /* report the file descriptor to all devices */ for (i = 0; i < comm->nDevs; i++) { comm->devices[i]->fd = pInfo->fd; } } priv->threshold = h->logical_minimum + (h->logical_maximum - h->logical_minimum) * priv->thresCent / 100; if (h->report_size != 0) xf86Msg(X_PROBED, "USBT %s pressure threshold=%d, suppress=%d\n", pInfo->name, priv->threshold, priv->suppress); /* Set the real values */ InitValuatorAxisStruct(pUSBT, 0, comm->hidX.logical_minimum, /* min val */ comm->hidX.logical_maximum, /* max val */ mils(1000), /* resolution */ 0, /* min_res */ mils(1000)); /* max_res */ InitValuatorAxisStruct(pUSBT, 1, comm->hidY.logical_minimum, /* min val */ comm->hidY.logical_maximum, /* max val */ mils(1000), /* resolution */ 0, /* min_res */ mils(1000)); /* max_res */ InitValuatorAxisStruct(pUSBT, 2, h->logical_minimum, /* min val */ h->logical_maximum, /* max val */ mils(1000), /* resolution */ 0, /* min_res */ mils(1000)); /* max_res */ InitValuatorAxisStruct(pUSBT, 3, comm->hidTiltX.logical_minimum, /* min val */ comm->hidTiltX.logical_maximum, /* max val */ mils(1000), /* resolution */ 0, /* min_res */ mils(1000)); /* max_res */ InitValuatorAxisStruct(pUSBT, 4, comm->hidTiltY.logical_minimum, /* min val */ comm->hidTiltY.logical_maximum, /* max val */ mils(1000), /* resolution */ 0, /* min_res */ mils(1000)); /* max_res */ return 1; } #ifdef XFree86LOADER static const OptionInfoRec * UsbTabletAvailableOptions(void *unused) { return USBTOptions; } #endif static InputInfoPtr UsbTabletAllocate(InputDriverPtr drv, char *name, int flag) { InputInfoPtr pInfo = xf86AllocateInput(drv, 0); USBTDevicePtr priv; USBTCommonPtr comm; if (pInfo == NULL) { return NULL; } priv = (USBTDevicePtr)xalloc(sizeof(USBTDevice)); if (priv == NULL) { return NULL; } comm = (USBTCommonPtr)xalloc(sizeof(USBTCommon)); if (comm == NULL) { xfree(priv); return NULL; } memset(priv, 0, sizeof *priv); memset(comm, 0, sizeof *comm); pInfo->name = name; pInfo->device_control = UsbTabletProc; pInfo->read_input = UsbTabletReadInput; pInfo->control_proc = UsbTabletChangeControl; pInfo->switch_mode = UsbTabletSwitchMode; pInfo->conversion_proc = UsbTabletConvert; pInfo->reverse_conversion_proc = UsbTabletReverseConvert; pInfo->fd = -1; pInfo->private = priv; pInfo->old_x = -1; pInfo->old_y = -1; priv->info = pInfo; priv->comm = comm; priv->flags = ABSOLUTE_FLAG | flag; priv->suppress = 2; priv->thresCent = 5; comm->nDevs = 1; comm->devices = (InputInfoPtr*)xalloc(sizeof(InputInfoPtr)); comm->devices[0] = pInfo; return pInfo; } static InputInfoPtr UsbTabletAllocateStylus(InputDriverPtr drv) { InputInfoPtr pInfo = UsbTabletAllocate(drv, STYLUS_XI, STYLUS_ID); if (pInfo == NULL) { return NULL; } pInfo->type_name = "USBT Stylus"; return pInfo; } static InputInfoPtr UsbTabletAllocateEraser(InputDriverPtr drv) { InputInfoPtr pInfo = UsbTabletAllocate(drv, ERASER_XI, ERASER_ID); if (pInfo == NULL) { return NULL; } pInfo->type_name = "USBT Eraser"; return pInfo; } /* * Called when the InputDevice Section is found in XF86Config */ static InputInfoPtr UsbTabletPreInit(InputDriverPtr drv, IDevPtr dev, int flags) { InputInfoPtr pInfo = NULL; InputInfoPtr fake = NULL; USBTCommonPtr comm = NULL, c; USBTDevicePtr priv = NULL, p; InputInfoPtr localDevices; char *s; int i; fake = (InputInfoPtr)xcalloc(1, sizeof(InputInfoRec)); if (fake == NULL) { return NULL; } fake->conf_idev = dev; xf86CollectInputOptions(fake, NULL, NULL); s = xf86FindOptionValue(fake->options, "Type"); if (s != NULL) { if (xf86NameCmp(s, "stylus") == 0) { pInfo = UsbTabletAllocateStylus(drv); } else if (xf86NameCmp(s, "eraser") == 0) { pInfo = UsbTabletAllocateEraser(drv); } else { xf86Msg(X_ERROR, "%s: Invalid type specified.\n" "Must be one of stylus or eraser.\n", dev->identifier); goto PreInit_fail; } } else { xf86Msg(X_ERROR, "%s: No type specified.\n", dev->identifier); goto PreInit_fail; } if (pInfo == NULL) { xfree(fake); return NULL; } pInfo->options = fake->options; pInfo->conf_idev = fake->conf_idev; pInfo->name = dev->identifier; xfree(fake); priv = (USBTDevicePtr)pInfo->private; comm = priv->comm; comm->devName = xf86FindOptionValue(pInfo->options, "Device"); if (comm->devName == NULL) { xf86Msg(X_ERROR, "%s: No Device specified.\n", dev->identifier); goto PreInit_fail; } /* Lookup to see if there is another device sharing * the same device */ localDevices = xf86FirstLocalDevice(); while (localDevices) { p = (USBTDevicePtr)localDevices->private; c = p->comm; if ((pInfo != localDevices) && (localDevices->device_control == UsbTabletProc) && (strcmp(c->devName, comm->devName) == 0)) { DBG(2, ErrorF("UsbTabletPreInit port share between" " %s and %s\n", pInfo->name, localDevices->name)); xfree(comm->devices); xfree(comm); comm = priv->comm = c; comm->nDevs++; comm->devices = (InputInfoPtr *) xrealloc(comm->devices, sizeof(InputInfoPtr)* comm->nDevs); comm->devices[comm->nDevs - 1] = pInfo; break; } localDevices = localDevices->next; } /* while */ xf86ProcessCommonOptions(pInfo, pInfo->options); xf86Msg(X_CONFIG, "%s device is %s\n", dev->identifier, comm->devName); /* XXX Handle options */ debug_level = xf86SetIntOption(pInfo->options, "DebugLevel", debug_level); if (debug_level > 0) { xf86Msg(X_CONFIG, "UsbTablet: debug level set to %d\n", debug_level); } s = xf86FindOptionValue(pInfo->options, "Mode"); if (s != NULL) { if (xf86NameCmp(s, "absolute") == 0) { priv->flags |= ABSOLUTE_FLAG; } else if (xf86NameCmp(s, "relative") == 0) { priv->flags &= ~ABSOLUTE_FLAG; } else { xf86Msg(X_ERROR, "%s: invalid Mode " "(should be absolute or relative). " "Using default.\n", dev->identifier); } } xf86Msg(X_CONFIG, "%s is in %s mode\n", pInfo->name, (priv->flags & ABSOLUTE_FLAG) ? "absolute" : "relative"); #if 0 pInfo->history_size = xf86SetIntOption(pInfo->options, "HistorySize", pInfo->history_size); #endif i = xf86SetIntOption(pInfo->options, "ThreshHold", -1); if (i != -1) { priv->thresCent = i; } xf86Msg(i != -1 ? X_CONFIG : X_DEFAULT, "%s: threshold = %d\n", dev->identifier, priv->thresCent); i = xf86SetIntOption(pInfo->options, "Suppress", -1); if (i != -1) { priv->suppress = i; } xf86Msg(i != -1 ? X_CONFIG : X_DEFAULT, "%s: suppress = %d\n", dev->identifier, priv->suppress); pInfo->flags |= XI86_POINTER_CAPABLE | XI86_CONFIGURED; return pInfo; PreInit_fail: if (comm) { xfree(comm); } if (priv) { xfree(priv); } if (pInfo) { xfree(pInfo); } return NULL; }