diff options
Diffstat (limited to 'hw/xfree86/os-support/shared/posix_tty.c')
| -rw-r--r-- | hw/xfree86/os-support/shared/posix_tty.c | 820 |
1 files changed, 668 insertions, 152 deletions
diff --git a/hw/xfree86/os-support/shared/posix_tty.c b/hw/xfree86/os-support/shared/posix_tty.c index 8e92511d3..a4f487025 100644 --- a/hw/xfree86/os-support/shared/posix_tty.c +++ b/hw/xfree86/os-support/shared/posix_tty.c @@ -1,174 +1,690 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/shared/posix_tty.c,v 3.8.2.1 1998/02/07 14:27:25 dawes Exp $ */ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/shared/posix_tty.c,v 3.28 2003/02/17 15:11:59 dawes Exp $ */ /* - * Copyright 1993 by David Dawes <dawes@physics.su.oz.au> + * Copyright 1993-1999 by The XFree86 Project, Inc. * - * 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 David Dawes - * not be used in advertising or publicity pertaining to distribution of - * the software without specific, written prior permission. - * David Dawes makes no representations about the suitability of this - * software for any purpose. It is provided "as is" without express or - * implied warranty. + * 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: * - * DAVID DAWES DISCLAIMS ALL WARRANTIES WITH REGARD TO - * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL DAVID DAWES 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 ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * 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 XFREE86 PROJECT 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. + * + * Except as contained in this notice, the name of the XFree86 Project shall + * not be used in advertising or otherwise to promote the sale, use or other + * dealings in this Software without prior written authorization from the + * XFree86 Project. + */ +/* + * + * Copyright (c) 1997 Metro Link Incorporated + * + * 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. + * + * Except as contained in this notice, the name of the Metro Link shall not be + * used in advertising or otherwise to promote the sale, use or other dealings + * in this Software without prior written authorization from Metro Link. * */ -/* $Xorg: posix_tty.c,v 1.3 2000/08/17 19:51:30 cpqbld Exp $ */ -#define NEED_EVENTS -#include "X.h" -#include "Xproto.h" -#include "inputstr.h" -#include "scrnintstr.h" +/* $XConsortium: posix_tty.c /main/7 1996/10/19 18:07:47 kaleb $ */ -#include "xf86Procs.h" +#include "X.h" +#include "xf86.h" +#include "xf86Priv.h" #include "xf86_OSlib.h" -#include "xf86_Config.h" - -static Bool not_a_tty = FALSE; - -void xf86SetMouseSpeed(mouse, old, new, cflag) -MouseDevPtr mouse; -int old; -int new; -unsigned cflag; -{ - struct termios tty; - char *c; - - if (not_a_tty) - return; - - if (tcgetattr(mouse->mseFd, &tty) < 0) - { - not_a_tty = TRUE; - ErrorF("Warning: %s unable to get status of mouse fd (%s)\n", - mouse->mseDevice, strerror(errno)); - return; - } - - /* this will query the initial baudrate only once */ - if (mouse->oldBaudRate < 0) { - switch (cfgetispeed(&tty)) - { - case B9600: - mouse->oldBaudRate = 9600; - break; - case B4800: - mouse->oldBaudRate = 4800; - break; - case B2400: - mouse->oldBaudRate = 2400; - break; - case B1200: - default: - mouse->oldBaudRate = 1200; - break; - } - } - - tty.c_iflag = IGNBRK | IGNPAR; - tty.c_oflag = 0; - tty.c_lflag = 0; - tty.c_cflag = (tcflag_t)cflag; - tty.c_cc[VTIME] = 0; - tty.c_cc[VMIN] = 1; - - switch (old) - { - case 9600: - cfsetispeed(&tty, B9600); - cfsetospeed(&tty, B9600); - break; - case 4800: - cfsetispeed(&tty, B4800); - cfsetospeed(&tty, B4800); - break; - case 2400: - cfsetispeed(&tty, B2400); - cfsetospeed(&tty, B2400); - break; - case 1200: - default: - cfsetispeed(&tty, B1200); - cfsetospeed(&tty, B1200); - } - - if (tcsetattr(mouse->mseFd, TCSADRAIN, &tty) < 0) - { - if (xf86AllowMouseOpenFail) { - ErrorF("Unable to set status of mouse fd (%s) - Continuing...\n", - strerror(errno)); - return; + +static int +GetBaud (int baudrate) +{ +#ifdef B300 + if (baudrate == 300) + return B300; +#endif +#ifdef B1200 + if (baudrate == 1200) + return B1200; +#endif +#ifdef B2400 + if (baudrate == 2400) + return B2400; +#endif +#ifdef B4800 + if (baudrate == 4800) + return B4800; +#endif +#ifdef B9600 + if (baudrate == 9600) + return B9600; +#endif +#ifdef B19200 + if (baudrate == 19200) + return B19200; +#endif +#ifdef B38400 + if (baudrate == 38400) + return B38400; +#endif +#ifdef B57600 + if (baudrate == 57600) + return B57600; +#endif +#ifdef B115200 + if (baudrate == 115200) + return B115200; +#endif +#ifdef B230400 + if (baudrate == 230400) + return B230400; +#endif +#ifdef B460800 + if (baudrate == 460800) + return B460800; +#endif + return (0); +} + +int +xf86OpenSerial (pointer options) +{ +#ifdef Lynx + struct sgttyb ms_sgtty; +#endif + struct termios t; + int fd, i; + char *dev; + + dev = xf86SetStrOption (options, "Device", NULL); + if (!dev) + { + xf86Msg (X_ERROR, "xf86OpenSerial: No Device specified.\n"); + return (-1); + } + +#ifndef Lynx + SYSCALL (fd = open (dev, O_RDWR | O_NONBLOCK | O_EXCL)); +#else + /* O_EXCL yields an EEXIST on LynxOS */ + SYSCALL (fd = open (dev, O_RDWR | O_NONBLOCK)); +#endif + if (fd == -1) + { + xf86Msg (X_ERROR, + "xf86OpenSerial: Cannot open device %s\n\t%s.\n", + dev, strerror (errno)); + xfree(dev); + return (-1); + } + + if (!isatty (fd)) + { +#if 1 + /* Allow non-tty devices to be opened. */ + xfree(dev); + return (fd); +#else + xf86Msg (X_WARNING, + "xf86OpenSerial: Specified device %s is not a tty\n", + dev); + SYSCALL (close (fd)); + errno = EINVAL; + xfree(dev); + return (-1); +#endif + } + +#ifdef Lynx + /* LynxOS does not assert DTR without this */ + ioctl (fd, TIOCGETP, (char *) &ms_sgtty); + ioctl (fd, TIOCSDTR, (char *) &ms_sgtty); +#endif + + /* set up default port parameters */ + SYSCALL (tcgetattr (fd, &t)); + t.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR\ + |IGNCR|ICRNL|IXON); + t.c_oflag &= ~OPOST; + t.c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); + t.c_cflag &= ~(CSIZE|PARENB); + t.c_cflag |= CS8|CLOCAL; + + cfsetispeed (&t, B9600); + cfsetospeed (&t, B9600); + t.c_cc[VMIN] = 1; + t.c_cc[VTIME] = 0; + + SYSCALL (tcsetattr (fd, TCSANOW, &t)); + + if (xf86SetSerial (fd, options) == -1) + { + SYSCALL (close (fd)); + xfree(dev); + return (-1); + } + + SYSCALL (i = fcntl (fd, F_GETFL, 0)); + if (i == -1) + { + SYSCALL (close (fd)); + xfree(dev); + return (-1); + } + i &= ~O_NONBLOCK; + SYSCALL (i = fcntl (fd, F_SETFL, i)); + if (i == -1) + { + SYSCALL (close (fd)); + xfree(dev); + return (-1); + } + xfree(dev); + return (fd); +} + +int +xf86SetSerial (int fd, pointer options) +{ + struct termios t; + int val; + const char *s; + int baud, r; + + if (fd < 0) + return -1; + + /* Don't try to set parameters for non-tty devices. */ + if (!isatty(fd)) + return 0; + + SYSCALL (tcgetattr (fd, &t)); + + if ((val = xf86SetIntOption (options, "BaudRate", 0))) + { + if ((baud = GetBaud (val))) + { + cfsetispeed (&t, baud); + cfsetospeed (&t, baud); + } + else + { + xf86Msg (X_ERROR, + "Invalid Option BaudRate value: %d\n", val); + return (-1); + } + } + + if ((val = xf86SetIntOption (options, "StopBits", 0))) + { + switch (val) + { + case 1: + t.c_cflag &= ~(CSTOPB); + break; + case 2: + t.c_cflag |= CSTOPB; + break; + default: + xf86Msg (X_ERROR, + "Invalid Option StopBits value: %d\n", val); + return (-1); + break; + } + } + + if ((val = xf86SetIntOption (options, "DataBits", 0))) + { + switch (val) + { + case 5: + t.c_cflag &= ~(CSIZE); + t.c_cflag |= CS5; + break; + case 6: + t.c_cflag &= ~(CSIZE); + t.c_cflag |= CS6; + break; + case 7: + t.c_cflag &= ~(CSIZE); + t.c_cflag |= CS7; + break; + case 8: + t.c_cflag &= ~(CSIZE); + t.c_cflag |= CS8; + break; + default: + xf86Msg (X_ERROR, + "Invalid Option DataBits value: %d\n", val); + return (-1); + break; + } + } + + if ((s = xf86SetStrOption (options, "Parity", NULL))) + { + if (xf86NameCmp (s, "Odd") == 0) + { + t.c_cflag |= PARENB | PARODD; + } + else if (xf86NameCmp (s, "Even") == 0) + { + t.c_cflag |= PARENB; + t.c_cflag &= ~(PARODD); } - xf86FatalError("Unable to set status of mouse fd (%s)\n", - strerror(errno)); - } - - switch (new) - { - case 9600: - c = "*q"; - cfsetispeed(&tty, B9600); - cfsetospeed(&tty, B9600); - break; - case 4800: - c = "*p"; - cfsetispeed(&tty, B4800); - cfsetospeed(&tty, B4800); - break; - case 2400: - c = "*o"; - cfsetispeed(&tty, B2400); - cfsetospeed(&tty, B2400); - break; - case 1200: - default: - c = "*n"; - cfsetispeed(&tty, B1200); - cfsetospeed(&tty, B1200); - } - - if (mouse->mseType == P_LOGIMAN || mouse->mseType == P_LOGI) - { - if (write(mouse->mseFd, c, 2) != 2) + else if (xf86NameCmp (s, "None") == 0) { - if (xf86AllowMouseOpenFail) { - ErrorF("Unable to write to mouse fd (%s) - Continuing...\n", - strerror(errno)); - return; - } - xf86FatalError("Unable to write to mouse fd (%s)\n", - strerror(errno)); + t.c_cflag &= ~(PARENB); + } + else + { + xf86Msg (X_ERROR, "Invalid Option Parity value: %s\n", + s); + return (-1); } } - usleep(100000); - if (tcsetattr(mouse->mseFd, TCSADRAIN, &tty) < 0) + if ((val = xf86SetIntOption (options, "Vmin", -1)) != -1) + { + t.c_cc[VMIN] = val; + } + if ((val = xf86SetIntOption (options, "Vtime", -1)) != -1) { - if (xf86AllowMouseOpenFail) { - ErrorF("Unable to set status of mouse fd (%s) - Continuing...\n", - strerror(errno)); - return; + t.c_cc[VTIME] = val; + } + + if ((s = xf86SetStrOption (options, "FlowControl", NULL))) + { + xf86MarkOptionUsedByName (options, "FlowControl"); + if (xf86NameCmp (s, "Xoff") == 0) + { + t.c_iflag |= IXOFF; + } + else if (xf86NameCmp (s, "Xon") == 0) + { + t.c_iflag |= IXON; + } + else if (xf86NameCmp (s, "XonXoff") == 0) + { + t.c_iflag |= IXON|IXOFF; + } + else if (xf86NameCmp (s, "None") == 0) + { + t.c_iflag &= ~(IXON | IXOFF); } - xf86FatalError("Unable to set status of mouse fd (%s)\n", - strerror(errno)); + else + { + xf86Msg (X_ERROR, + "Invalid Option FlowControl value: %s\n", s); + return (-1); + } + } + + if ((xf86SetBoolOption (options, "ClearDTR", FALSE))) + { +#ifdef CLEARDTR_SUPPORT +# if !defined(Lynx) || defined(TIOCMBIC) + val = TIOCM_DTR; + SYSCALL (ioctl(fd, TIOCMBIC, &val)); +# else + SYSCALL (ioctl(fd, TIOCCDTR, NULL)); +# endif +#else + xf86Msg (X_WARNING, + "Option ClearDTR not supported on this OS\n"); + return (-1); +#endif + xf86MarkOptionUsedByName (options, "ClearDTR"); + } + + if ((xf86SetBoolOption (options, "ClearRTS", FALSE))) + { +#ifdef CLEARRTS_SUPPORT + val = TIOCM_RTS; + SYSCALL (ioctl(fd, TIOCMBIC, &val)); +#else + xf86Msg (X_WARNING, + "Option ClearRTS not supported on this OS\n"); + return (-1); +#endif + xf86MarkOptionUsedByName (options, "ClearRTS"); } + + SYSCALL (r = tcsetattr (fd, TCSANOW, &t)); + return (r); +} + +int +xf86SetSerialSpeed (int fd, int speed) +{ + struct termios t; + int baud, r; + + if (fd < 0) + return -1; + + /* Don't try to set parameters for non-tty devices. */ + if (!isatty(fd)) + return 0; + + SYSCALL (tcgetattr (fd, &t)); + + if ((baud = GetBaud (speed))) + { + cfsetispeed (&t, baud); + cfsetospeed (&t, baud); + } + else + { + xf86Msg (X_ERROR, + "Invalid Option BaudRate value: %d\n", speed); + return (-1); + } + + SYSCALL (r = tcsetattr (fd, TCSANOW, &t)); + return (r); +} + +int +xf86ReadSerial (int fd, void *buf, int count) +{ + int r; +#ifdef DEBUG + int i; +#endif + SYSCALL (r = read (fd, buf, count)); +#ifdef DEBUG + ErrorF("ReadingSerial: 0x%x", + (unsigned char)*(((unsigned char *)buf))); + for (i = 1; i < r; i++) + ErrorF(", 0x%x",(unsigned char)*(((unsigned char *)buf) + i)); + ErrorF("\n"); +#endif + return (r); +} + +int +xf86WriteSerial (int fd, const void *buf, int count) +{ + int r; +#ifdef DEBUG + int i; + + ErrorF("WritingSerial: 0x%x",(unsigned char)*(((unsigned char *)buf))); + for (i = 1; i < count; i++) + ErrorF(", 0x%x",(unsigned char)*(((unsigned char *)buf) + i)); + ErrorF("\n"); +#endif + SYSCALL (r = write (fd, buf, count)); + return (r); +} + +int +xf86CloseSerial (int fd) +{ + int r; + + SYSCALL (r = close (fd)); + return (r); +} + +int +xf86WaitForInput (int fd, int timeout) +{ + fd_set readfds; + struct timeval to; + int r; + + FD_ZERO(&readfds); + + if (fd >= 0) { + FD_SET(fd, &readfds); + } + + to.tv_sec = timeout / 1000000; + to.tv_usec = timeout % 1000000; + + if (fd >= 0) { + SYSCALL (r = select (FD_SETSIZE, &readfds, NULL, NULL, &to)); + } + else { + SYSCALL (r = select (FD_SETSIZE, NULL, NULL, NULL, &to)); + } + xf86ErrorFVerb (9,"select returned %d\n", r); + return (r); +} + +int +xf86SerialSendBreak (int fd, int duration) +{ + int r; + + SYSCALL (r = tcsendbreak (fd, duration)); + return (r); + +} + +int +xf86FlushInput(int fd) +{ + fd_set fds; + struct timeval timeout; + char c[4]; + +#ifdef DEBUG + ErrorF("FlushingSerial\n"); +#endif + if (tcflush(fd, TCIFLUSH) == 0) + return 0; + + timeout.tv_sec = 0; + timeout.tv_usec = 0; + FD_ZERO(&fds); + FD_SET(fd, &fds); + while (select(FD_SETSIZE, &fds, NULL, NULL, &timeout) > 0) { + if (read(fd, &c, sizeof(c)) < 1) + return 0; + FD_ZERO(&fds); + FD_SET(fd, &fds); + } + return 0; +} + +static struct states { + int xf; + int os; +} modemStates[] = { +#ifdef TIOCM_LE + { XF86_M_LE, TIOCM_LE }, +#endif +#ifdef TIOCM_DTR + { XF86_M_DTR, TIOCM_DTR }, +#endif +#ifdef TIOCM_RTS + { XF86_M_RTS, TIOCM_RTS }, +#endif +#ifdef TIOCM_ST + { XF86_M_ST, TIOCM_ST }, +#endif +#ifdef TIOCM_SR + { XF86_M_SR, TIOCM_SR }, +#endif +#ifdef TIOCM_CTS + { XF86_M_CTS, TIOCM_CTS }, +#endif +#ifdef TIOCM_CAR + { XF86_M_CAR, TIOCM_CAR }, +#elif defined(TIOCM_CD) + { XF86_M_CAR, TIOCM_CD }, +#endif +#ifdef TIOCM_RNG + { XF86_M_RNG, TIOCM_RNG }, +#elif defined(TIOCM_RI) + { XF86_M_CAR, TIOCM_RI }, +#endif +#ifdef TIOCM_DSR + { XF86_M_DSR, TIOCM_DSR }, +#endif +}; + +static int numStates = sizeof(modemStates) / sizeof(modemStates[0]); + +static int +xf2osState(int state) +{ + int i; + int ret = 0; + + for (i = 0; i < numStates; i++) + if (state & modemStates[i].xf) + ret |= modemStates[i].os; + return ret; +} + +static int +os2xfState(int state) +{ + int i; + int ret = 0; + + for (i = 0; i < numStates; i++) + if (state & modemStates[i].os) + ret |= modemStates[i].xf; + return ret; +} + +static int +getOsStateMask(void) +{ + int i; + int ret = 0; + for (i = 0; i < numStates; i++) + ret |= modemStates[i].os; + return ret; +} + +static int osStateMask = 0; + +int +xf86SetSerialModemState(int fd, int state) +{ + int ret; + int s; + + if (fd < 0) + return -1; + + /* Don't try to set parameters for non-tty devices. */ + if (!isatty(fd)) + return 0; + +#ifndef TIOCMGET + return -1; +#else + if (!osStateMask) + osStateMask = getOsStateMask(); + + state = xf2osState(state); + SYSCALL((ret = ioctl(fd, TIOCMGET, &s))); + if (ret < 0) + return -1; + s &= ~osStateMask; + s |= state; + SYSCALL((ret = ioctl(fd, TIOCMSET, &s))); + if (ret < 0) + return -1; + else + return 0; +#endif +} + +int +xf86GetSerialModemState(int fd) +{ + int ret; + int s; + + if (fd < 0) + return -1; + + /* Don't try to set parameters for non-tty devices. */ + if (!isatty(fd)) + return 0; + +#ifndef TIOCMGET + return -1; +#else + SYSCALL((ret = ioctl(fd, TIOCMGET, &s))); + if (ret < 0) + return -1; + return os2xfState(s); +#endif } int -xf86FlushInput(fd) -int fd; +xf86SerialModemSetBits(int fd, int bits) { - return tcflush(fd, TCIFLUSH); + int ret; + int s; + + if (fd < 0) + return -1; + + /* Don't try to set parameters for non-tty devices. */ + if (!isatty(fd)) + return 0; + +#ifndef TIOCMGET + return -1; +#else + s = xf2osState(bits); + SYSCALL((ret = ioctl(fd, TIOCMBIS, &s))); + return ret; +#endif } +int +xf86SerialModemClearBits(int fd, int bits) +{ + int ret; + int s; + + if (fd < 0) + return -1; + + /* Don't try to set parameters for non-tty devices. */ + if (!isatty(fd)) + return 0; + +#ifndef TIOCMGET + return -1; +#else + s = xf2osState(bits); + SYSCALL((ret = ioctl(fd, TIOCMBIC, &s))); + return ret; +#endif +} |