/* * Copyright 1996 by Steven Lang * * 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/xf86Summa.c,v 3.5.2.9 1999/12/20 14:36:25 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(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 #if defined(__QNX__) || defined(__QNXNTO__) #define POSIX_TTY #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 #define COMPATIBLE_FLAG 4 #define H1217D_FLAG 8 typedef struct { char *sumDevice; /* device file name */ int sumInc; /* increment between transmits */ int sumButTrans; /* button translation flags */ int sumOldX; /* previous X position */ int sumOldY; /* previous Y position */ int sumOldProximity; /* previous proximity */ int sumOldButtons; /* previous buttons state */ int sumMaxX; /* max X value */ int sumMaxY; /* max Y value */ int sumXSize; /* active area X size */ int sumXOffset; /* active area X offset */ int sumYSize; /* active area Y size */ int sumYOffset; /* active area Y offset */ int sumRes; /* resolution in lines per inch */ int flags; /* various flags */ int sumIndex; /* number of bytes read */ unsigned char sumData[5]; /* data read on the device */ } SummaDeviceRec, *SummaDevicePtr; /* ** Configuration data */ #define SUMMA_SECTION_NAME "SummaSketch" #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 ACTIVE_AREA 10 #define ACTIVE_OFFSET 11 #define COMPATIBLE 12 #define RESOLUTION 13 #define HITACHI_1217D 14 #if !defined(sun) || defined(i386) static SymTabRec SumTab[] = { {ENDSUBSECTION, "endsubsection"}, {PORT, "port"}, {DEVICENAME, "devicename"}, {THE_MODE, "mode"}, {CURSOR, "cursor"}, {INCREMENT, "increment"}, {BORDER, "border"}, {DEBUG_LEVEL, "debuglevel"}, {HISTORY_SIZE, "historysize"}, {ALWAYS_CORE, "alwayscore"}, {ACTIVE_AREA, "activearea"}, {ACTIVE_OFFSET, "activeoffset"}, {COMPATIBLE, "compatible"}, {RESOLUTION, "resolution"}, {HITACHI_1217D, "hitachi_1217d"}, {-1, ""} }; #define RELATIVE 1 #define ABSOLUTE 2 static SymTabRec SumModeTabRec[] = { {RELATIVE, "relative"}, {ABSOLUTE, "absolute"}, {-1, ""} }; #define PUCK 1 #define STYLUS 2 static SymTabRec SumPointTabRec[] = { {PUCK, "puck"}, {STYLUS, "stylus"}, {-1, ""} }; #endif /* ** Contants and macro */ #define BUFFER_SIZE 256 /* size of reception buffer */ #define XI_NAME "SUMMA" /* X device name for the stylus */ #define SYSCALL(call) while(((call) == -1) && (errno == EINTR)) #define SS_TABID0 "0" /* Tablet ID 0 */ #define SS_FIRMID "z?" /* Request firmware ID string */ #define SS_CONFIG "a" /* Send configuration (max coords) */ #define SS_ABSOLUTE 'F' /* Absolute mode */ #define SS_RELATIVE 'E' /* Relative mode */ #define SS_UPPER_ORIGIN "b" /* Origin upper left */ #define SS_PROMPT_MODE "B" /* Prompt mode */ #define SS_STREAM_MODE "@" /* Stream mode */ #define SS_INCREMENT 'I' /* Set increment */ #define SS_BINARY_FMT "zb" /* Binary reporting */ #define SS_PROMPT "P" /* Prompt for current position */ static const char * ss_initstr = SS_TABID0 SS_UPPER_ORIGIN SS_BINARY_FMT SS_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 /* macro from counts/inch to counts/meter */ #define LPI2CPM(res) (res * 1000 / 25.4) /* ** 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) /* ** xf86SumConfig ** Reads the SummaSketch section from the XF86Config file */ static Bool xf86SumConfig(LocalDevicePtr *array, int inx, int max, LexPtr val) { LocalDevicePtr dev = array[inx]; SummaDevicePtr priv = (SummaDevicePtr)(dev->private); int token; int mtoken; DBG(1, ErrorF("xf86SumConfig\n")); while ((token = xf86GetToken(SumTab)) != ENDSUBSECTION) { switch(token) { case DEVICENAME: if (xf86GetToken(NULL) != STRING) xf86ConfigError("Option string expected"); else { dev->name = strdup(val->str); if (xf86Verbose) ErrorF("%s SummaSketch X device name is %s\n", XCONFIG_GIVEN, dev->name); } break; case PORT: if (xf86GetToken(NULL) != STRING) xf86ConfigError("Option string expected"); else { priv->sumDevice = strdup(val->str); if (xf86Verbose) ErrorF("%s SummaSketch port is %s\n", XCONFIG_GIVEN, priv->sumDevice); } break; case THE_MODE: mtoken = xf86GetToken(SumModeTabRec); 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(SumPointTabRec); 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->sumInc = val->num; if (xf86Verbose) ErrorF("%s SummaSketch increment value is %d\n", XCONFIG_GIVEN, priv->sumInc); break; case DEBUG_LEVEL: if (xf86GetToken(NULL) != NUMBER) xf86ConfigError("Option number expected"); debug_level = val->num; if (xf86Verbose) { #if DEBUG ErrorF("%s SummaSketch debug level sets to %d\n", XCONFIG_GIVEN, debug_level); #else ErrorF("%s SummaSketch 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 SummaSketch Motion history size is %d\n", XCONFIG_GIVEN, dev->history_size); break; case HITACHI_1217D: priv->flags |= H1217D_FLAG; priv->sumInc = 0; if(xf86Verbose) ErrorF("%s Hitach_1217D, compatible enforced.\n", XCONFIG_GIVEN); case COMPATIBLE: priv->flags |= COMPATIBLE_FLAG; if(xf86Verbose) ErrorF("%s SummaSketch compatible - will not query firmware ID\n", XCONFIG_GIVEN); break; case ALWAYS_CORE: xf86AlwaysCore(dev, TRUE); if (xf86Verbose) ErrorF("%s SummaSketch device always stays core pointer\n", XCONFIG_GIVEN); break; case ACTIVE_AREA: if (xf86GetToken(NULL) != NUMBER) xf86ConfigError("Option number expected"); priv->sumXSize = val->realnum * 100; if (xf86GetToken(NULL) != NUMBER) xf86ConfigError("Option number expected"); priv->sumYSize = val->realnum * 100; if (xf86Verbose) ErrorF("%s SummaSketch active area: %d.%02dx%d.%02d" " inches\n", XCONFIG_GIVEN, priv->sumXSize / 100, priv->sumXSize % 100, priv->sumYSize / 100, priv->sumYSize % 100); break; case ACTIVE_OFFSET: if (xf86GetToken(NULL) != NUMBER) xf86ConfigError("Option number expected"); priv->sumXOffset = val->realnum * 100; if (xf86GetToken(NULL) != NUMBER) xf86ConfigError("Option number expected"); priv->sumYOffset = val->realnum * 100; if (xf86Verbose) ErrorF("%s SummaSketch active area offsets: %d.%02d %d.%02d" " inches\n", XCONFIG_GIVEN, priv->sumXOffset / 100, priv->sumXOffset % 100, priv->sumYOffset / 100, priv->sumYOffset % 100); break; case RESOLUTION: if (xf86GetToken(NULL) != NUMBER) xf86ConfigError("Option number expected"); priv->sumRes = val->num; if (xf86Verbose) ErrorF("%s SummaSketch resolution set to %d\n", XCONFIG_GIVEN, priv->sumRes); break; case EOF: FatalError("Unexpected EOF (missing EndSubSection)"); break; default: xf86ConfigError("SummaSketch subsection keyword expected"); break; } } DBG(1, ErrorF("xf86SumConfig name=%s\n", priv->sumDevice)); return Success; } #endif /* ** xf86SumConvert ** Convert valuators to X and Y. */ static Bool xf86SumConvert(LocalDevicePtr local, int first, int num, int v0, int v1, int v2, int v3, int v4, int v5, int* x, int* y) { SummaDevicePtr priv = (SummaDevicePtr) local->private; if (first != 0 || num == 1) return FALSE; *x = (v0 * screenInfo.screens[0]->width) / priv->sumXSize; *y = (v1 * screenInfo.screens[0]->height) / priv->sumYSize; if (*x < 0) *x = 0; if (*y < 0) *y = 0; if (*x > screenInfo.screens[0]->width) *x = screenInfo.screens[0]->width; if (*y > screenInfo.screens[0]->height) *y = screenInfo.screens[0]->height; DBG(6, ErrorF("Adjusted coords x=%d y=%d\n", *x, *y)); return TRUE; } /* ** xf86SumReverseConvert ** Convert X and Y to valuators. */ static Bool xf86SumReverseConvert(LocalDevicePtr local, int x, int y, int *valuators) { SummaDevicePtr priv = (SummaDevicePtr) local->private; valuators[0] = ((x * priv->sumXSize) / screenInfo.screens[0]->width); valuators[1] = ((y * priv->sumYSize) / screenInfo.screens[0]->height); DBG(6, ErrorF("Adjusted valuators v0=%d v1=%d\n", valuators[0], valuators[1])); return TRUE; } /* ** xf86SumReadInput ** Reads from the SummaSketch and posts any new events to the server. */ static void xf86SumReadInput(LocalDevicePtr local) { SummaDevicePtr priv = (SummaDevicePtr) local->private; int len, loop; int is_absolute; int x, y, buttons, prox; DeviceIntPtr device; unsigned char buffer[BUFFER_SIZE]; DBG(7, ErrorF("xf86SumReadInput BEGIN device=%s fd=%d\n", priv->sumDevice, local->fd)); SYSCALL(len = read(local->fd, buffer, sizeof(buffer))); if (len <= 0) { Error("error reading SummaSketch device"); return; } for(loop=0; loopsumIndex == 0) && !(buffer[loop] & PHASING_BIT)) { /* magic bit is not OK */ DBG(6, ErrorF("xf86SumReadInput bad magic number 0x%x\n", buffer[loop]));; continue; } priv->sumData[priv->sumIndex++] = buffer[loop]; if (priv->sumIndex == (priv->flags & ABSOLUTE_FLAG? 5: 3)) { /* the packet is OK */ /* reset char count for next read */ priv->sumIndex = 0; if (priv->flags & ABSOLUTE_FLAG) { x = (int)priv->sumData[1] + ((int)priv->sumData[2] << 7); y = (int)priv->sumData[3] + ((int)priv->sumData[4] << 7); } else { x = priv->sumData[0] & XSIGN_BIT? priv->sumData[1]: -priv->sumData[1]; y = priv->sumData[0] & YSIGN_BIT? priv->sumData[2]: -priv->sumData[2]; } x -= priv->sumXOffset; y -= priv->sumYOffset; if (x < 0) x = 0; if (y < 0) y = 0; if (x > priv->sumXSize) x = priv->sumXSize; if (y > priv->sumYSize) y = priv->sumYSize; prox = (priv->sumData[0] & PROXIMITY_BIT)? 0: 1; buttons = (priv->sumData[0] & BUTTON_BITS); device = local->dev; DBG(6, ErrorF("prox=%s\tx=%d\ty=%d\tbuttons=%d\n", prox ? "true" : "false", x, y, buttons)); is_absolute = (priv->flags & ABSOLUTE_FLAG); /* coordonates are ready we can send events */ if (prox) { if (!(priv->sumOldProximity)) xf86PostProximityEvent(device, 1, 0, 2, x, y); if ((is_absolute && ((priv->sumOldX != x) || (priv->sumOldY != y))) || (!is_absolute && (x || y))) { if (is_absolute || priv->sumOldProximity) { xf86PostMotionEvent(device, is_absolute, 0, 2, x, y); } } if (priv->sumOldButtons != buttons) { int delta; int button; delta = buttons - priv->sumOldButtons; button = (delta > 0)? delta: ((delta == 0)? priv->sumOldButtons : -delta); if (priv->sumOldButtons != buttons) { DBG(6, ErrorF("xf86SumReadInput button=%d delta=%d\n", button, delta)); xf86PostButtonEvent(device, is_absolute, button, (delta > 0), 0, 2, x, y); } } priv->sumOldButtons = buttons; priv->sumOldX = x; priv->sumOldY = y; priv->sumOldProximity = prox; } else { /* !PROXIMITY */ /* Any changes in buttons are ignored when !proximity */ if (priv->sumOldProximity) xf86PostProximityEvent(device, 0, 0, 2, x, y); priv->sumOldProximity = 0; } } } DBG(7, ErrorF("xf86SumReadInput END device=0x%x priv=0x%x\n", local->dev, priv)); } /* ** xf86SumControlProc ** It really does do something. Honest! */ static void xf86SumControlProc(DeviceIntPtr device, PtrCtrl *ctrl) { DBG(2, ErrorF("xf86SumControlProc\n")); } /* ** xf86SumWriteAndRead ** Write data, and get the response. */ static char * xf86SumWriteAndRead(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("SummaSketch 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("SummaSketch select"); return NULL; } if (!err) { ErrorF("Timeout while reading SummaSketch tablet. No tablet connected ???\n"); return NULL; } SYSCALL(err = read(fd, buffer + numread++, 1)); if (err == -1) { Error("SummaSketch read"); return NULL; } if (!err) { --numread; break; } if (cr_term && buffer[numread - 1] == '\r') { buffer[numread - 1] = 0; break; } } buffer[numread] = 0; return buffer; } /* xf86SumSetResCode * Set Summa MM mode resolution code letter. */ static void xf86SumSetResCode (int *res, char *dbuffer, int index) { switch (*res) { case 1: dbuffer[index++] = 'l'; break; case 2: dbuffer[index++] = 'n'; break; case 4: dbuffer[index++] = 'p'; break; case 100: dbuffer[index++] = 'd'; break; case 200: dbuffer[index++] = 'e'; break; case 10: /* 10 lpmm */ *res = 254; case 254: dbuffer[index++] = 'f'; break; case 400: dbuffer[index++] = 'g'; break; case 20: /* 20 lpmm */ *res = 508; case 508: dbuffer[index++] = 'i'; break; case 1000: dbuffer[index++] = 'j'; break; case 40: /* 40 lpmm */ *res = 1016; case 1016: dbuffer[index++] = 'q'; break; case 2000: dbuffer[index++] = 's'; break; case 2032: dbuffer[index++] = 'u'; break; case 2540: /* note: for 12x12 tablet only */ dbuffer[index++] = 'v'; break; default: /* default to 500 lpi */ *res = 500; dbuffer[index++] = 'h'; break; } dbuffer[index] = 0; } /* ** xf86SumOpen ** Open and initialize the tablet, as well as probe for any needed data. */ static Bool xf86SumOpen(LocalDevicePtr local) { struct termios termios_tty; struct timeval timeout; char buffer[256]; char dbuffer[256]; int err, idx; double res100; double sratio, tratio; SummaDevicePtr priv = (SummaDevicePtr)local->private; DBG(1, ErrorF("opening %s\n", priv->sumDevice)); SYSCALL(local->fd = open(priv->sumDevice, O_RDWR|O_NDELAY, 0)); if (local->fd == -1) { Error(priv->sumDevice); return !Success; } DBG(2, ErrorF("%s opened as fd %d\n", priv->sumDevice, local->fd)); #ifdef POSIX_TTY err = tcgetattr(local->fd, &termios_tty); if (err == -1) { Error("SummaSketch tcgetattr"); return !Success; } termios_tty.c_iflag = IXOFF; termios_tty.c_cflag = B9600|CS8|CREAD|CLOCAL|HUPCL|PARENB|PARODD; termios_tty.c_lflag = 0; /* prevent tty "terminal processing" */ 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("SummaSketch tcsetattr TCSANOW"); return !Success; } #else Code for someone else to write to handle OSs without POSIX tty functions #endif DBG(1, ErrorF("initializing SummaSketch tablet\n")); /* Send reset (spaces) to the tablet */ for (idx = 0; idx < 10; idx++) buffer[idx] = ' '; SYSCALL(err = write(local->fd, buffer, 10)); if (err == -1) { Error("SummaSketch 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("SummaSketch select"); return !Success; } /* Put it in prompt mode so it doens't say anything before we're ready */ SYSCALL(err = write(local->fd, SS_PROMPT_MODE, strlen(SS_PROMPT_MODE))); if (err == -1) { Error("SummaSketch write"); return !Success; } /* Clear any pending input */ tcflush(local->fd, TCIFLUSH); if ( ! (priv->flags & COMPATIBLE_FLAG)) { DBG(2, ErrorF("reading firmware ID\n")); if (!xf86SumWriteAndRead(local->fd, SS_FIRMID, buffer, 255, 1)) return !Success; DBG(2, ErrorF("%s\n", buffer)); if (xf86Verbose) ErrorF("%s SummaSketch firmware ID : %s\n", XCONFIG_PROBED, buffer); } xf86SumSetResCode (&priv->sumRes, dbuffer, 0); dbuffer[1] = 'a' /*SS_CONFIG*/; dbuffer[2] = 0; res100 = priv->sumRes / 100; DBG(2, ErrorF("reading max coordinates\n")); if (!xf86SumWriteAndRead(local->fd, dbuffer, buffer, 5, 0)) return !Success; priv->sumMaxX = (buffer[1] & 0x7f) | (buffer[2] << 7); priv->sumMaxY = (buffer[3] & 0x7f) | (buffer[4] << 7); if (priv->flags & HITACHI_1217D) { /* the numbers below are from Hitachi 1217D specs */ priv->sumMaxX = (432.4 / 25.4) * priv->sumRes; priv->sumMaxY = (297.6 / 25.4) * priv->sumRes; } if (xf86Verbose) ErrorF("%s SummaSketch max tablet size %d.%02dinx%d.%02din, %dx%d " "lines of resolution\n", XCONFIG_PROBED, priv->sumMaxX / priv->sumRes, (priv->sumMaxX * 100 / priv->sumRes ) % 100, priv->sumMaxY / priv->sumRes, (priv->sumMaxY * 100 / priv->sumRes) % 100, priv->sumMaxX, priv->sumMaxY); if (priv->sumXOffset >= 0 && priv->sumYOffset >= 0) { priv->sumXOffset *= res100; priv->sumYOffset *= res100; priv->sumMaxX -= priv->sumXOffset; priv->sumMaxY -= priv->sumYOffset; } if (priv->sumXSize > 0 && priv->sumYSize > 0) { if ((priv->sumXSize * res100) <= priv->sumMaxX && (priv->sumYSize * res100) <= priv->sumMaxY) { priv->sumXSize *= res100; priv->sumYSize *= res100; } else { ErrorF("%s SummaSketch active area bigger than tablet, " "assuming maximum\n", XCONFIG_PROBED); priv->sumXSize = priv->sumMaxX; priv->sumYSize = priv->sumMaxY; } } else { priv->sumXSize = priv->sumMaxX; priv->sumYSize = priv->sumMaxY; } /* map tablet area by screen aspect ratio */ sratio = (double)screenInfo.screens[0]->height / (double)screenInfo.screens[0]->width; tratio = (double)priv->sumMaxY / (double)priv->sumMaxX; if (tratio <= 1.0) { /* tablet horizontal > vertical */ priv->sumXSize = (double)priv->sumYSize / sratio; if (priv->sumXSize > priv->sumMaxX) priv->sumXSize = priv->sumMaxX; } else { priv->sumYSize = (double)priv->sumXSize / sratio; if (priv->sumYSize > priv->sumMaxY) priv->sumYSize = priv->sumMaxY; } ErrorF("%s SummaSketch using tablet area %d by %d, at res %d lpi\n", XCONFIG_PROBED, priv->sumXSize, priv->sumYSize, priv->sumRes); if (priv->sumInc > 95) priv->sumInc = 95; if (priv->sumInc < 0) { /* increment value not given by user */ /* Make a guess as to the best increment value given video mode */ if (priv->sumXSize / screenInfo.screens[0]->width < priv->sumYSize / screenInfo.screens[0]->height) priv->sumInc = priv->sumXSize / screenInfo.screens[0]->width; else priv->sumInc = priv->sumYSize / screenInfo.screens[0]->height; if (priv->sumInc < 1) priv->sumInc = 1; if (xf86Verbose) ErrorF("%s Using increment value of %d\n", XCONFIG_PROBED, priv->sumInc); } /* Sets up the tablet mode to increment, stream, and such */ for (idx = 0; ss_initstr[idx]; idx++) { buffer[idx] = ss_initstr[idx]; } buffer[idx++] = SS_INCREMENT; buffer[idx++] = 32 + priv->sumInc; buffer[idx++] = (priv->flags & ABSOLUTE_FLAG)? SS_ABSOLUTE: SS_RELATIVE; buffer[idx] = 0; SYSCALL(err = write(local->fd, buffer, idx)); if (err == -1) { Error("SummaSketch write"); return !Success; } if (err <= 0) { SYSCALL(close(local->fd)); return !Success; } return Success; } /* ** xf86SumOpenDevice ** Opens and initializes the device driver stuff or sumpthin. */ static int xf86SumOpenDevice(DeviceIntPtr pSum) { LocalDevicePtr local = (LocalDevicePtr)pSum->public.devicePrivate; SummaDevicePtr priv = (SummaDevicePtr)PRIVATE(pSum); if (xf86SumOpen(local) != Success) { if (local->fd >= 0) { SYSCALL(close(local->fd)); } local->fd = -1; } /* Set the real values */ InitValuatorAxisStruct(pSum, 0, 0, /* min val */ priv->sumXSize, /* max val */ LPI2CPM(priv->sumRes), /* resolution */ 0, /* min_res */ LPI2CPM(priv->sumRes)); /* max_res */ InitValuatorAxisStruct(pSum, 1, 0, /* min val */ priv->sumYSize, /* max val */ LPI2CPM(priv->sumRes), /* resolution */ 0, /* min_res */ LPI2CPM(priv->sumRes)); /* max_res */ return (local->fd != -1); } /* ** xf86SumProc ** Handle requests to do stuff to the driver. */ static int xf86SumProc(DeviceIntPtr pSum, int what) { CARD8 map[25]; int nbaxes; int nbbuttons; int loop; LocalDevicePtr local = (LocalDevicePtr)pSum->public.devicePrivate; SummaDevicePtr priv = (SummaDevicePtr)PRIVATE(pSum); DBG(2, ErrorF("BEGIN xf86SumProc dev=0x%x priv=0x%x what=%d\n", pSum, priv, what)); switch (what) { case DEVICE_INIT: DBG(1, ErrorF("xf86SumProc pSum=0x%x what=INIT\n", pSum)); nbaxes = 2; /* X, Y */ nbbuttons = (priv->flags & STYLUS_FLAG)? 2: 4; for(loop=1; loop<=nbbuttons; loop++) map[loop] = loop; if (InitButtonClassDeviceStruct(pSum, nbbuttons, map) == FALSE) { ErrorF("unable to allocate Button class device\n"); return !Success; } if (InitFocusClassDeviceStruct(pSum) == FALSE) { ErrorF("unable to init Focus class device\n"); return !Success; } if (InitPtrFeedbackClassDeviceStruct(pSum, xf86SumControlProc) == FALSE) { ErrorF("unable to init ptr feedback\n"); return !Success; } if (InitProximityClassDeviceStruct(pSum) == FALSE) { ErrorF("unable to init proximity class device\n"); return !Success; } if (InitValuatorClassDeviceStruct(pSum, 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(pSum, local->atom, local->name); /* open the device to gather informations */ xf86SumOpenDevice(pSum); break; case DEVICE_ON: DBG(1, ErrorF("xf86SumProc pSum=0x%x what=ON\n", pSum)); if ((local->fd < 0) && (!xf86SumOpenDevice(pSum))) { return !Success; } SYSCALL(write(local->fd, SS_PROMPT, strlen(SS_PROMPT))); AddEnabledDevice(local->fd); pSum->public.on = TRUE; break; case DEVICE_OFF: DBG(1, ErrorF("xf86SumProc pSum=0x%x what=%s\n", pSum, (what == DEVICE_CLOSE) ? "CLOSE" : "OFF")); if (local->fd >= 0) RemoveEnabledDevice(local->fd); pSum->public.on = FALSE; break; case DEVICE_CLOSE: DBG(1, ErrorF("xf86SumProc pSum=0x%x what=%s\n", pSum, (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 xf86SumProc Success what=%d dev=0x%x priv=0x%x\n", what, pSum, priv)); return Success; } /* ** xf86SumClose ** It... Uh... Closes the physical device? */ static void xf86SumClose(LocalDevicePtr local) { if (local->fd >= 0) { SYSCALL(close(local->fd)); } local->fd = -1; } /* ** xf86SumChangeControl ** When I figure out what it does, it will do it. */ static int xf86SumChangeControl(LocalDevicePtr local, xDeviceCtl *control) { xDeviceResolutionCtl *res; res = (xDeviceResolutionCtl *)control; if ((control->control != DEVICE_RESOLUTION) || (res->num_valuators < 1)) return (BadMatch); return(Success); } /* ** xf86SumSwitchMode ** Switches the mode. For now just absolute or relative, hopefully ** more on the way. */ static int xf86SumSwitchMode(ClientPtr client, DeviceIntPtr dev, int mode) { LocalDevicePtr local = (LocalDevicePtr)dev->public.devicePrivate; SummaDevicePtr priv = (SummaDevicePtr)(local->private); char newmode; DBG(3, ErrorF("xf86SumSwitchMode dev=0x%x mode=%d\n", dev, mode)); switch(mode) { case Absolute: priv->flags |= ABSOLUTE_FLAG; newmode = SS_ABSOLUTE; break; case Relative: priv->flags &= ~ABSOLUTE_FLAG; newmode = SS_RELATIVE; break; default: DBG(1, ErrorF("xf86SumSwitchMode dev=0x%x invalid mode=%d\n", dev, mode)); return BadMatch; } SYSCALL(write(local->fd, &newmode, 1)); return Success; } /* ** xf86SumAllocate ** Allocates the device structures for the SummaSketch. */ static LocalDevicePtr xf86SumAllocate() { LocalDevicePtr local = (LocalDevicePtr)xalloc(sizeof(LocalDeviceRec)); SummaDevicePtr priv = (SummaDevicePtr)xalloc(sizeof(SummaDeviceRec)); #if defined (sun) && !defined(i386) char *dev_name = getenv("SUMMASKETCH_DEV"); #endif local->name = XI_NAME; local->type_name = "SummaSketch Tablet"; local->flags = 0; /*XI86_NO_OPEN_ON_INIT;*/ #if !defined(sun) || defined(i386) local->device_config = xf86SumConfig; #endif local->device_control = xf86SumProc; local->read_input = xf86SumReadInput; local->control_proc = xf86SumChangeControl; local->close_proc = xf86SumClose; local->switch_mode = xf86SumSwitchMode; local->conversion_proc = xf86SumConvert; local->reverse_conversion_proc = xf86SumReverseConvert; 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->sumDevice = (char *)xalloc(strlen(dev_name) + 1); strcpy(priv->sumDevice, device_name); ErrorF("xf86SumOpen port changed to '%s'\n", priv->sumDevice); } else { priv->sumDevice = ""; } #else priv->sumDevice = ""; /* device file name */ #endif priv->sumInc = -1; /* re-transmit position on increment */ priv->sumOldX = -1; /* previous X position */ priv->sumOldY = -1; /* previous Y position */ priv->sumOldProximity = 0; /* previous proximity */ priv->sumOldButtons = 0; /* previous buttons state */ priv->sumMaxX = -1; /* max X value */ priv->sumMaxY = -1; /* max Y value */ priv->sumXSize = -1; /* active area X */ priv->sumXOffset = 0; /* active area X offset */ priv->sumYSize = -1; /* active area Y */ priv->sumYOffset = 0; /* active area Y offset */ priv->flags = ABSOLUTE_FLAG; /* various flags -- default abs format */ priv->sumIndex = 0; /* number of bytes read */ priv->sumRes = 0; /* resolution */ return local; } /* ** SummaSketch device association ** Device section name and allocation function. */ DeviceAssocRec summasketch_assoc = { SUMMA_SECTION_NAME, /* config_section_name */ xf86SumAllocate /* device_allocate */ }; #ifdef DYNAMIC_MODULE /* ** init_module ** Entry point for dynamic module. */ int #ifndef DLSYM_BUG init_module(unsigned long server_version) #else init_xf86Summa(unsigned long server_version) #endif { xf86AddDeviceAssoc(&summasketch_assoc); if (server_version != XF86_VERSION_CURRENT) { ErrorF("Warning: SummaSketch module compiled for version %s\n", XF86_VERSION); return 0; } else { return 1; } } #endif #ifdef XFree86LOADER /* * Entry point for the loader code */ XF86ModuleVersionInfo xf86SummaVersion = { "xf86Summa", MODULEVENDORSTRING, MODINFOSTRING1, MODINFOSTRING2, XF86_VERSION_CURRENT, 0x00010000, {0,0,0,0} }; void xf86SummaModuleInit(data, magic) pointer *data; INT32 *magic; { static int cnt = 0; switch (cnt) { case 0: *magic = MAGIC_VERSION; *data = &xf86SummaVersion; cnt++; break; case 1: *magic = MAGIC_ADD_XINPUT_DEVICE; *data = &summasketch_assoc; cnt++; break; default: *magic = MAGIC_DONE; *data = NULL; break; } } #endif /* end of xf86Summa.c */