/* * Copyright 1996 by Steven Lang * Modified for the AceCad Tablet, * by Shane Watts * Modified for the AceCad Flair Tablet, * by Fredrik Chabot * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of Steven Lang not be used in advertising * or publicity pertaining to distribution of the software without specific, * written prior permission. Steven Lang makes no representations about the * suitability of this software for any purpose. It is provided "as is" * without express or implied warranty. * * STEVEN LANG DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL STEVEN LANG BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTIONS, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ /* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86AceCad.c,v 3.6.2.5 1999/07/23 13:22:39 hohndel Exp $ */ #include "Xos.h" #include #include #define NEED_EVENTS #include "X.h" #include "Xproto.h" #include "misc.h" #include "inputstr.h" #include "scrnintstr.h" #include "XI.h" #include "XIproto.h" #if defined(__QNX__) #define POSIX_TTY #endif #if defined(sun) && !defined(i386) #define POSIX_TTY #include #include #include #include #include "extio.h" #else #include "compiler.h" #ifdef XFree86LOADER #include "xf86_libc.h" #endif #include "xf86.h" #include "xf86Procs.h" #include "xf86_OSlib.h" #include "xf86_Config.h" #include "xf86Xinput.h" #include "atKeynames.h" #include "xf86Version.h" #endif #if !defined(sun) || defined(i386) #include "osdep.h" #include "exevents.h" #include "extnsionst.h" #include "extinit.h" #endif /* ** Debugging macros */ #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 /* ** Device records */ #define ABSOLUTE_FLAG 1 #define STYLUS_FLAG 2 typedef struct { char *acecadDevice; /* device file name */ int acecadInc; /* increment between transmits */ int acecadButTrans; /* button translation flags */ int acecadOldX; /* previous X position */ int acecadOldY; /* previous Y position */ int acecadOldZ; /* previous Z position */ int acecadOldProximity; /* previous proximity */ int acecadOldButtons; /* previous buttons state */ int acecadMaxX; /* max X value */ int acecadMaxY; /* max Y value */ int acecadMaxZ; /* max Z value */ int acecadXLeft; /* screen left */ int acecadXRight; /* screen right */ int acecadYtop; /* screen top */ int acecadYbot; /* screen bottom */ int acecadRes; /* resolution in lines per inch */ int flags; /* various flags */ int acecadProtocol; /* Protocol level */ int acecadIndex; /* number of bytes read */ unsigned char acecadData[7]; /* data read on the device */ } AceCadDeviceRec, *AceCadDevicePtr; /* ** Configuration data */ #define ACECAD_SECTION_NAME "AceCad" #define PORT 1 #define DEVICENAME 2 #define THE_MODE 3 #define CURSOR 4 #define INCREMENT 5 #define BORDER 6 #define DEBUG_LEVEL 7 #define HISTORY_SIZE 8 #define ALWAYS_CORE 9 #define DEV_MODEL 10 #if !defined(sun) || defined(i386) static SymTabRec AceCadTab[] = { {ENDSUBSECTION, "endsubsection"}, {PORT, "port"}, {DEVICENAME, "devicename"}, {THE_MODE, "mode"}, {CURSOR, "cursor"}, {INCREMENT, "increment"}, {BORDER, "border"}, {DEBUG_LEVEL, "debuglevel"}, {HISTORY_SIZE, "historysize"}, {ALWAYS_CORE, "alwayscore" }, {DEV_MODEL, "model" }, {-1, ""} }; #define RELATIVE 1 #define ABSOLUTE 2 static SymTabRec AceCadModeTabRec[] = { {RELATIVE, "relative"}, {ABSOLUTE, "absolute"}, {-1, ""} }; #define PUCK 1 #define STYLUS 2 static SymTabRec AceCadPointTabRec[] = { {PUCK, "puck"}, {STYLUS, "stylus"}, {-1, ""} }; #define A_SERIES 1 #define FLAIR 2 static SymTabRec AceCadModelTabRec[] = { {A_SERIES, "a-series"}, {A_SERIES, "d-series"}, {A_SERIES, "acecadI"}, {A_SERIES, "acecadII"}, {A_SERIES, "acecadIII"}, {FLAIR, "flair"}, {-1, ""} }; #endif /* ** Contants and macro */ #define BUFFER_SIZE 256 /* size of reception buffer */ #define XI_NAME "ACECAD" /* X device name for the stylus */ #define SYSCALL(call) while(((call) == -1) && (errno == EINTR)) #define ACECAD_CONFIG "a" /* Send configuration (max coords) */ #define ACECAD_ABSOLUTE 'F' /* Absolute mode */ #define ACECAD_RELATIVE 'E' /* Relative mode */ #define ACECAD_UPPER_ORIGIN "b" /* Origin upper left */ #define ACECAD_PROMPT_MODE "B" /* Prompt mode */ #define ACECAD_STREAM_MODE "@" /* Stream mode */ #define ACECAD_INCREMENT 'I' /* Set increment */ #define ACECAD_BINARY_FMT "zb" /* Binary reporting */ #define ACECAD_PROMPT "P" /* Prompt for current position */ static const char * acecad_initstr = ACECAD_BINARY_FMT ACECAD_STREAM_MODE; #define PHASING_BIT 0x80 #define PROXIMITY_BIT 0x40 #define TABID_BIT 0x20 #define XSIGN_BIT 0x10 #define YSIGN_BIT 0x08 #define BUTTON_BITS 0x07 #define COORD_BITS 0x7f /* ** External declarations */ #if defined(sun) && !defined(i386) #define ENQUEUE suneqEnqueue #else #define ENQUEUE xf86eqEnqueue extern void xf86eqEnqueue( #if NeedFunctionPrototypes xEventPtr /*e*/ #endif ); #endif extern void miPointerDeltaCursor( #if NeedFunctionPrototypes int /*dx*/, int /*dy*/, unsigned long /*time*/ #endif ); #if !defined(sun) || defined(i386) /* ** xf86AceCadConfig ** Reads the AceCad section from the XF86Config file */ static Bool xf86AceCadConfig(LocalDevicePtr *array, int inx, int max, LexPtr val) { LocalDevicePtr dev = array[inx]; AceCadDevicePtr priv = (AceCadDevicePtr)(dev->private); int token; int mtoken; DBG(1, ErrorF("xf86AceCadConfig\n")); while ((token = xf86GetToken(AceCadTab)) != ENDSUBSECTION) { switch(token) { case DEVICENAME: if (xf86GetToken(NULL) != STRING) xf86ConfigError("Option string expected"); else { dev->name = strdup(val->str); if (xf86Verbose) ErrorF("%s AceCad X device name is %s\n", XCONFIG_GIVEN, dev->name); } break; case PORT: if (xf86GetToken(NULL) != STRING) xf86ConfigError("Option string expected"); else { priv->acecadDevice = strdup(val->str); if (xf86Verbose) ErrorF("%s AceCad port is %s\n", XCONFIG_GIVEN, priv->acecadDevice); } break; case THE_MODE: mtoken = xf86GetToken(AceCadModeTabRec); if ((mtoken == EOF) || (mtoken == STRING) || (mtoken == NUMBER)) xf86ConfigError("Mode type token expected"); else { switch (mtoken) { case ABSOLUTE: priv->flags |= ABSOLUTE_FLAG; break; case RELATIVE: priv->flags &= ~ABSOLUTE_FLAG; break; default: xf86ConfigError("Illegal Mode type"); break; } } break; case CURSOR: mtoken = xf86GetToken(AceCadPointTabRec); if ((mtoken == EOF) || (mtoken == STRING) || (mtoken == NUMBER)) xf86ConfigError("Cursor token expected"); else { switch (mtoken) { case STYLUS: priv->flags |= STYLUS_FLAG; break; case PUCK: priv->flags &= ~STYLUS_FLAG; break; default: xf86ConfigError("Illegal cursor type"); break; } } break; case INCREMENT: if (xf86GetToken(NULL) != NUMBER) xf86ConfigError("Option number expected"); priv->acecadInc = val->num; if (xf86Verbose) ErrorF("%s AceCad increment value is %d\n", XCONFIG_GIVEN, priv->acecadInc); break; case DEBUG_LEVEL: if (xf86GetToken(NULL) != NUMBER) xf86ConfigError("Option number expected"); debug_level = val->num; if (xf86Verbose) { #if DEBUG ErrorF("%s AceCad debug level sets to %d\n", XCONFIG_GIVEN, debug_level); #else ErrorF("%s AceCad debug level not sets to %d because" " debugging is not compiled\n", XCONFIG_GIVEN, debug_level); #endif } break; case HISTORY_SIZE: if (xf86GetToken(NULL) != NUMBER) xf86ConfigError("Option number expected"); dev->history_size = val->num; if (xf86Verbose) ErrorF("%s AceCad Motion history size is %d\n", XCONFIG_GIVEN, dev->history_size); break; case ALWAYS_CORE: xf86AlwaysCore(dev, TRUE); if (xf86Verbose) ErrorF("%s AceCad device always stays core pointer\n", XCONFIG_GIVEN); break; case DEV_MODEL: mtoken = xf86GetToken(AceCadModelTabRec); if ((mtoken == EOF) || (mtoken == STRING) || (mtoken == NUMBER)) xf86ConfigError("Model token expected"); else { switch (mtoken) { case A_SERIES: priv->acecadProtocol = 5; break; case FLAIR: priv->acecadProtocol = 7; break; default: xf86ConfigError("Illegal model"); break; } ErrorF("%s AceCad protocol level sets to %d\n", XCONFIG_GIVEN, priv->acecadProtocol); } break; case EOF: FatalError("Unexpected EOF (missing EndSubSection)"); break; default: xf86ConfigError("AceCad subsection keyword expected"); break; } } DBG(1, ErrorF("xf86AceCadConfig name=%s\n", priv->acecadDevice)); return Success; } #endif /* ** xf86AceCadReadInput ** Reads from the AceCad and posts any new events to the server. */ static void xf86AceCadReadInput(LocalDevicePtr local) { AceCadDevicePtr priv = (AceCadDevicePtr) local->private; int len, loop; int is_core_pointer, is_absolute; int x, y, z, buttons, prox; DeviceIntPtr device; unsigned char buffer[BUFFER_SIZE]; DBG(7, ErrorF("xf86AceCadReadInput BEGIN device=%s fd=%d\n", priv->acecadDevice, local->fd)); SYSCALL(len = read(local->fd, buffer, sizeof(buffer))); if (len <= 0) { Error("error reading AceCad device"); return; } for(loop=0; loopacecadIndex == 0) && !(buffer[loop] & PHASING_BIT)) { /* magic bit is not OK */ DBG(6, ErrorF("xf86AceCadReadInput bad magic number 0x%x\n", buffer[loop]));; continue; } priv->acecadData[priv->acecadIndex++] = buffer[loop]; if (priv->acecadIndex == (priv->flags & ABSOLUTE_FLAG ? priv->acecadProtocol : 3)) { /* the packet is OK */ /* reset char count for next read */ priv->acecadIndex = 0; if (priv->flags & ABSOLUTE_FLAG) { switch (priv->acecadProtocol){ case 7: DBG(9, ErrorF("aceprocotol %02x %02x %02x %02x %02x %02x %02x\n", priv->acecadData[0], priv->acecadData[1], priv->acecadData[2], priv->acecadData[3], priv->acecadData[4], priv->acecadData[5], priv->acecadData[6]) ); x = (int)priv->acecadData[1] | ((int)priv->acecadData[2] << 7); y = (int)priv->acecadData[3] | ((int)priv->acecadData[4] << 7); z = ((int)priv->acecadData[5] << 2) | ((int)priv->acecadData[6] & 0x01 << 1) | ((int)priv->acecadData[6] & 0x10); buttons = ((int)priv->acecadData[0] & 0x07) | ((int)priv->acecadData[6] & 0x02 << 2); break; case 5: x = (int)priv->acecadData[1] + ((int)priv->acecadData[2] << 7); y = (int)priv->acecadData[3] + ((int)priv->acecadData[4] << 7); buttons = (priv->acecadData[0] & BUTTON_BITS); break; } } else { x = priv->acecadData[0] & XSIGN_BIT? priv->acecadData[1]: -priv->acecadData[1]; y = priv->acecadData[0] & YSIGN_BIT? priv->acecadData[2]: -priv->acecadData[2]; z = 0; buttons = (priv->acecadData[0] & BUTTON_BITS); } /* x = priv->acecadMaxX - x; /**/ y = priv->acecadMaxY - y; /**/ prox = (priv->acecadData[0] & PROXIMITY_BIT)? 0: 1; device = local->dev; DBG(6, ErrorF("prox=%s\tx=%d\ty=%d\tz=%d\tbuttons=%d\n", prox ? "true" : "false", x, y, z, buttons)); is_absolute = (priv->flags & ABSOLUTE_FLAG); is_core_pointer = xf86IsCorePointer(device); /* coordonates are ready we can send events */ if (prox) { if (!(priv->acecadOldProximity)) if (!is_core_pointer) xf86PostProximityEvent(device, 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) { xf86PostMotionEvent(device, is_absolute, 0, 3, x, y, z); } } if (priv->acecadOldButtons != buttons) { int delta; int button; delta = buttons ^ priv->acecadOldButtons; while(delta){ int id; id=ffs(delta); delta &= ~(1 << (id-1)); xf86PostButtonEvent(device, is_absolute, id, (buttons&(1<<(id-1))), 0, 0); } } priv->acecadOldButtons = buttons; priv->acecadOldX = x; priv->acecadOldY = y; priv->acecadOldZ = z; priv->acecadOldProximity = prox; } else { /* !PROXIMITY */ /* Any changes in buttons are ignored when !proximity */ if (!is_core_pointer) if (priv->acecadOldProximity) xf86PostProximityEvent(device, 0, 0, 3, x, y, z); priv->acecadOldProximity = 0; } } } DBG(7, ErrorF("xf86AceCadReadInput END device=0x%x priv=0x%x\n", local->dev, priv)); } /* ** xf86AceCadControlProc ** It really does do something. Honest! */ static void xf86AceCadControlProc(DeviceIntPtr device, PtrCtrl *ctrl) { DBG(2, ErrorF("xf86AceCadControlProc\n")); } /* ** write_and_read ** Write data, and get the response. */ static char * write_and_read(int fd, char *data, char *buffer, int len, int cr_term) { int err, numread = 0; fd_set readfds; struct timeval timeout; SYSCALL(err = write(fd, data, strlen(data))); if (err == -1) { Error("AceCad write"); return NULL; } FD_ZERO(&readfds); FD_SET(fd, &readfds); while (numread < len) { timeout.tv_sec = 0; timeout.tv_usec = 200000; SYSCALL(err = select(FD_SETSIZE, &readfds, NULL, NULL, &timeout)); if (err == -1) { Error("AceCad select"); return NULL; } if (!err) { ErrorF("Timeout while reading AceCad tablet. No tablet connected ???\n"); return NULL; } SYSCALL(err = read(fd, buffer + numread++, 1)); if (err == -1) { Error("AceCad read"); return NULL; } if (!err) { --numread; break; } if (cr_term && buffer[numread - 1] == '\r') { break; buffer[numread - 1] = 0; } } buffer[numread] = 0; return buffer; } /* ** xf86AceCadOpen ** Open and initialize the tablet, as well as probe for any needed data. */ static Bool xf86AceCadOpen(LocalDevicePtr local) { struct termios termios_tty; struct timeval timeout; char buffer[256]; int err; AceCadDevicePtr priv = (AceCadDevicePtr)local->private; DBG(1, ErrorF("opening %s\n", priv->acecadDevice)); SYSCALL(local->fd = open(priv->acecadDevice, O_RDWR|O_NDELAY, 0)); if (local->fd == -1) { Error(priv->acecadDevice); return !Success; } DBG(2, ErrorF("%s opened as fd %d\n", priv->acecadDevice, local->fd)); #ifdef POSIX_TTY err = tcgetattr(local->fd, &termios_tty); if (err == -1) { Error("AceCad tcgetattr"); return !Success; } termios_tty.c_iflag = IXOFF; termios_tty.c_cflag = B9600|CS8|CREAD|CLOCAL|HUPCL|PARENB|PARODD; termios_tty.c_lflag = 0; /* I wonder what these all do, anyway */ termios_tty.c_cc[VINTR] = 0; termios_tty.c_cc[VQUIT] = 0; termios_tty.c_cc[VERASE] = 0; #ifdef VWERASE termios_tty.c_cc[VWERASE] = 0; #endif #ifdef VREPRINT termios_tty.c_cc[VREPRINT] = 0; #endif termios_tty.c_cc[VKILL] = 0; termios_tty.c_cc[VEOF] = 0; termios_tty.c_cc[VEOL] = 0; #ifdef VEOL2 termios_tty.c_cc[VEOL2] = 0; #endif termios_tty.c_cc[VSUSP] = 0; #ifdef VDISCARD termios_tty.c_cc[VDISCARD] = 0; #endif #ifdef VLNEXT termios_tty.c_cc[VLNEXT] = 0; #endif termios_tty.c_cc[VMIN] = 1 ; termios_tty.c_cc[VTIME] = 10 ; err = tcsetattr(local->fd, TCSANOW, &termios_tty); if (err == -1) { Error("AceCad tcsetattr TCSANOW"); return !Success; } #else Code for someone else to write to handle OSs without POSIX tty functions #endif DBG(1, ErrorF("initializing AceCad tablet\n")); /* Send reset (NULL) to the tablet */ SYSCALL(err = write(local->fd, "\0", 1)); if (err == -1) { Error("AceCad write"); return !Success; } /* wait 200 mSecs, just in case */ timeout.tv_sec = 0; timeout.tv_usec = 200000; SYSCALL(err = select(0, NULL, NULL, NULL, &timeout)); if (err == -1) { Error("AceCad select"); return !Success; } /* Put it in prompt mode so it doens't say anything before we're ready */ SYSCALL(err = write(local->fd, ACECAD_PROMPT_MODE, strlen(ACECAD_PROMPT_MODE))); if (err == -1) { Error("AceCad write"); return !Success; } /* Clear any pending input */ tcflush(local->fd, TCIFLUSH); /* DBG(2, ErrorF("Reading Firmware ID\n")); */ /* if (!write_and_read(local->fd, ACECAD_PROMPT, buffer, 5, 1)) */ /* return !Success; */ /* DBG(2, ErrorF("%s\n", buffer)); */ /* if (xf86Verbose) */ /* ErrorF("%s AceCad firmware ID : %s\n", XCONFIG_PROBED, buffer); */ DBG(2, ErrorF("reading max coordinates\n")); if (!write_and_read(local->fd, ACECAD_CONFIG, buffer, 5, 0)) return !Success; priv->acecadMaxX = (int)buffer[1] + ((int)buffer[2] << 7); priv->acecadMaxY = (int)buffer[3] + ((int)buffer[4] << 7); /* priv->acecadMaxX = 6000; */ /* priv->acecadMaxY = 6000; */ if (xf86Verbose) ErrorF("%s AceCad tablet size is %d.%1dinx%d.%1din, %dx%d " "lines of resolution\n", XCONFIG_PROBED, priv->acecadMaxX / 500, (priv->acecadMaxX / 50) % 10, priv->acecadMaxY / 500, (priv->acecadMaxY / 50) % 10, priv->acecadMaxX, priv->acecadMaxY); if (priv->acecadInc > 95) priv->acecadInc = 95; if (priv->acecadInc < 1) { /* Make a guess as to the best increment value given video mode */ if (priv->acecadMaxX / screenInfo.screens[0]->width < priv->acecadMaxY / screenInfo.screens[0]->height) priv->acecadInc = priv->acecadMaxX / screenInfo.screens[0]->width; else priv->acecadInc = priv->acecadMaxY / screenInfo.screens[0]->height; if (priv->acecadInc < 1) priv->acecadInc = 1; if (xf86Verbose) ErrorF("%s Using increment value of %d\n", XCONFIG_PROBED, priv->acecadInc); } /* Sets up the tablet mode to increment, stream, and such */ sprintf(buffer, "%s%c%c%c", acecad_initstr, ACECAD_INCREMENT, 32 + priv->acecadInc, (priv->flags & ABSOLUTE_FLAG)? ACECAD_ABSOLUTE: ACECAD_RELATIVE); SYSCALL(err = write(local->fd, buffer, strlen(buffer))) if (err == -1) { Error("AceCad write"); return !Success; } if (err <= 0) { SYSCALL(close(local->fd)); return !Success; } return Success; } /* ** xf86AceCadOpenDevice ** Opens and initializes the device driver stuff or sumpthin. */ static int xf86AceCadOpenDevice(DeviceIntPtr pAceCad) { LocalDevicePtr local = (LocalDevicePtr)pAceCad->public.devicePrivate; AceCadDevicePtr priv = (AceCadDevicePtr)PRIVATE(pAceCad); if (xf86AceCadOpen(local) != Success) { if (local->fd >= 0) { SYSCALL(close(local->fd)); } local->fd = -1; } /* Set the real values */ InitValuatorAxisStruct(pAceCad, 0, 0, /* min val */ priv->acecadMaxX, /* max val */ 500000, /* resolution */ 0, /* min_res */ 500000); /* max_res */ InitValuatorAxisStruct(pAceCad, 1, 0, /* min val */ priv->acecadMaxY, /* max val */ 500000, /* resolution */ 0, /* min_res */ 500000); /* max_res */ InitValuatorAxisStruct(pAceCad, 2, 0, /* min val */ 512, /* max val */ 500000, /* resolution */ 0, /* min_res */ 500000); /* max_res */ return (local->fd != -1); } /* ** xf86AceCadProc ** Handle requests to do stuff to the driver. */ static int xf86AceCadProc(DeviceIntPtr pAceCad, int what) { CARD8 map[25]; int nbaxes; int nbbuttons; int loop; LocalDevicePtr local = (LocalDevicePtr)pAceCad->public.devicePrivate; AceCadDevicePtr priv = (AceCadDevicePtr)PRIVATE(pAceCad); DBG(2, ErrorF("BEGIN xf86AceCadProc dev=0x%x priv=0x%x what=%d\n", pAceCad, priv, what)); switch (what) { case DEVICE_INIT: DBG(1, ErrorF("xf86AceCadProc pAceCad=0x%x what=INIT\n", pAceCad)); nbaxes = 3; /* X, Y, Z */ nbbuttons = (priv->flags & STYLUS_FLAG) ? 3 : 4; for(loop=1; loop<=nbbuttons; loop++) map[loop] = loop; if (InitButtonClassDeviceStruct(pAceCad, nbbuttons, map) == FALSE) { ErrorF("unable to allocate Button class device\n"); return !Success; } if (InitFocusClassDeviceStruct(pAceCad) == FALSE) { ErrorF("unable to init Focus class device\n"); return !Success; } if (InitPtrFeedbackClassDeviceStruct(pAceCad, xf86AceCadControlProc) == FALSE) { ErrorF("unable to init ptr feedback\n"); return !Success; } if (InitProximityClassDeviceStruct(pAceCad) == FALSE) { ErrorF("unable to init proximity class device\n"); return !Success; } if (InitValuatorClassDeviceStruct(pAceCad, nbaxes, xf86GetMotionEvents, local->history_size, (priv->flags & ABSOLUTE_FLAG)? Absolute: Relative) == FALSE) { ErrorF("unable to allocate Valuator class device\n"); return !Success; } /* allocate the motion history buffer if needed */ xf86MotionHistoryAllocate(local); AssignTypeAndName(pAceCad, local->atom, local->name); /* open the device to gather informations */ xf86AceCadOpenDevice(pAceCad); break; case DEVICE_ON: DBG(1, ErrorF("xf86AceCadProc pAceCad=0x%x what=ON\n", pAceCad)); if ((local->fd < 0) && (!xf86AceCadOpenDevice(pAceCad))) { return !Success; } /* SYSCALL(write(local->fd, ACECAD_PROMPT, strlen(ACECAD_PROMPT))); */ AddEnabledDevice(local->fd); pAceCad->public.on = TRUE; break; case DEVICE_OFF: DBG(1, ErrorF("xf86AceCadProc pAceCad=0x%x what=%s\n", pAceCad, (what == DEVICE_CLOSE) ? "CLOSE" : "OFF")); if (local->fd >= 0) RemoveEnabledDevice(local->fd); pAceCad->public.on = FALSE; break; case DEVICE_CLOSE: DBG(1, ErrorF("xf86AceCadProc pAceCad=0x%x what=%s\n", pAceCad, (what == DEVICE_CLOSE) ? "CLOSE" : "OFF")); SYSCALL(close(local->fd)); local->fd = -1; break; default: ErrorF("unsupported mode=%d\n", what); return !Success; break; } DBG(2, ErrorF("END xf86AceCadProc Success what=%d dev=0x%x priv=0x%x\n", what, pAceCad, priv)); return Success; } /* ** xf86AceCadClose ** It... Uh... Closes the physical device? */ static void xf86AceCadClose(LocalDevicePtr local) { if (local->fd >= 0) { SYSCALL(close(local->fd)); } local->fd = -1; } /* ** xf86AceCadChangeControl ** When I figure out what it does, it will do it. */ static int xf86AceCadChangeControl(LocalDevicePtr local, xDeviceCtl *control) { xDeviceResolutionCtl *res; res = (xDeviceResolutionCtl *)control; if ((control->control != DEVICE_RESOLUTION) || (res->num_valuators < 1)) return (BadMatch); return(Success); } /* ** xf86AceCadSwitchMode ** Switches the mode. For now just absolute or relative, hopefully ** more on the way. */ static int xf86AceCadSwitchMode(ClientPtr client, DeviceIntPtr dev, int mode) { LocalDevicePtr local = (LocalDevicePtr)dev->public.devicePrivate; AceCadDevicePtr priv = (AceCadDevicePtr)(local->private); char newmode; DBG(3, ErrorF("xf86AceCadSwitchMode dev=0x%x mode=%d\n", dev, mode)); switch(mode) { case Absolute: priv->flags |= ABSOLUTE_FLAG; newmode = ACECAD_ABSOLUTE; break; case Relative: priv->flags &= ~ABSOLUTE_FLAG; newmode = ACECAD_RELATIVE; break; default: DBG(1, ErrorF("xf86AceCadSwitchMode dev=0x%x invalid mode=%d\n", dev, mode)); return BadMatch; } SYSCALL(write(local->fd, &newmode, 1)); return Success; } /* ** xf86AceConvert ** Convert valuators to X and Y core coordinates. */ static Bool xf86AceConvert(LocalDevicePtr local, int first, int num, int v0, int v1, int v2, int v3, int v4, int v5, int* x, int* y) { AceCadDevicePtr priv = (AceCadDevicePtr)(local->private); *x = v0 * screenInfo.screens[0]->width / priv->acecadMaxX; *y = v1 * screenInfo.screens[0]->height / priv->acecadMaxY; DBG(6, ErrorF("xf86AceConvert Adjusted coords x=%d y=%d\n", *x, *y)); return TRUE; } /* ** xf86AceReverseConvert ** Convert X and Y core coordinates to valuators. */ static Bool xf86AceReverseConvert(LocalDevicePtr local, int x, int y, int *valuators) { AceCadDevicePtr priv = (AceCadDevicePtr)(local->private); valuators[0] = x * priv->acecadMaxX / screenInfo.screens[0]->width; valuators[1] = y * priv->acecadMaxY / screenInfo.screens[0]->height; DBG(6, ErrorF("xf86AceReverseConvert converted x=%d y=%d to v0=%d v1=%d\n", x, y, valuators[0], valuators[1])); return TRUE; } /* ** xf86AceCadAllocate ** Allocates the device structures for the AceCad. */ static LocalDevicePtr xf86AceCadAllocate() { LocalDevicePtr local = (LocalDevicePtr)xalloc(sizeof(LocalDeviceRec)); AceCadDevicePtr priv = (AceCadDevicePtr)xalloc(sizeof(AceCadDeviceRec)); #if defined (sun) && !defined(i386) char *dev_name = getenv("ACECAD_DEV"); #endif local->name = XI_NAME; local->type_name = "AceCad Tablet"; local->flags = 0; /*XI86_NO_OPEN_ON_INIT;*/ #if !defined(sun) || defined(i386) local->device_config = xf86AceCadConfig; #endif local->device_control = xf86AceCadProc; local->read_input = xf86AceCadReadInput; local->control_proc = xf86AceCadChangeControl; local->close_proc = xf86AceCadClose; local->switch_mode = xf86AceCadSwitchMode; local->conversion_proc = xf86AceConvert; local->reverse_conversion_proc = xf86AceReverseConvert; local->fd = -1; local->atom = 0; local->dev = NULL; local->private = priv; local->private_flags = 0; local->history_size = 0; #if defined(sun) && !defined(i386) if (def_name) { priv->acecadDevice = (char *)xalloc(strlen(dev_name) + 1); strcpy(priv->acecadDevice, device_name); ErrorF("xf86AceCadOpen port changed to '%s'\n", priv->acecadDevice); } else { priv->acecadDevice = ""; } #else priv->acecadDevice = ""; /* device file name */ #endif priv->acecadInc = -1; /* re-transmit position on increment */ priv->acecadOldX = -1; /* previous X position */ priv->acecadOldY = -1; /* previous Y position */ priv->acecadOldZ = -1; /* previous Z position */ priv->acecadOldProximity = 0; /* previous proximity */ priv->acecadOldButtons = 0; /* previous buttons state */ priv->acecadMaxX = -1; /* max X value */ priv->acecadMaxY = -1; /* max Y value */ priv->acecadMaxZ = -1; /* max Z value */ priv->flags = 0; /* various flags */ priv->acecadIndex = 0; /* number of bytes read */ priv->acecadProtocol = 5; /* Protocol level */ return local; } /* ** AceCad device association ** Device section name and allocation function. */ DeviceAssocRec acecad_assoc = { ACECAD_SECTION_NAME, /* config_section_name */ xf86AceCadAllocate /* device_allocate */ }; #ifdef DYNAMIC_MODULE /* ** init_module ** Entry point for dynamic module. */ int #ifndef DLSYM_BUG init_module(unsigned long server_version) #else init_xf86AceCad(unsigned long server_version) #endif { xf86AddDeviceAssoc(&acecad_assoc); if (server_version != XF86_VERSION_CURRENT) { ErrorF("Warning: AceCad module compiled for version%s\n", XF86_VERSION); return 0; } else { return 1; } } #endif #ifdef XFree86LOADER /* * Entry point for the loader code */ XF86ModuleVersionInfo xf86AceCadVersion = { "xf86AceCad", MODULEVENDORSTRING, MODINFOSTRING1, MODINFOSTRING2, XF86_VERSION_CURRENT, 0x00010000, {0,0,0,0} }; void xf86AceCadModuleInit(data, magic) pointer *data; INT32 *magic; { static int cnt = 0; switch (cnt) { case 0: *magic = MAGIC_VERSION; *data = &xf86AceCadVersion; cnt++; break; case 1: *magic = MAGIC_ADD_XINPUT_DEVICE; *data = &acecad_assoc; cnt++; break; default: *magic = MAGIC_DONE; *data = NULL; break; } } #endif