diff options
author | Kevin E Martin <kem@kem.org> | 2004-09-17 15:38:19 +0000 |
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committer | Kevin E Martin <kem@kem.org> | 2004-09-17 15:38:19 +0000 |
commit | 0e3171a83a79c1495b842daf07b3eeee4c9fd612 (patch) | |
tree | 165558ee6a9a2735616787fbc4a07f77a9af81f0 /hw/kdrive/linux/linux.c | |
parent | 516f452e78170bc643117a71bd2246a83b071316 (diff) |
Update the XORG_DATE for the release.XORG-6_8_1
Update cygwin release version.
Update documentation for release.
Diffstat (limited to 'hw/kdrive/linux/linux.c')
-rw-r--r-- | hw/kdrive/linux/linux.c | 481 |
1 files changed, 0 insertions, 481 deletions
diff --git a/hw/kdrive/linux/linux.c b/hw/kdrive/linux/linux.c deleted file mode 100644 index 23ae50452..000000000 --- a/hw/kdrive/linux/linux.c +++ /dev/null @@ -1,481 +0,0 @@ -/* - * $RCSId: xc/programs/Xserver/hw/kdrive/linux/linux.c,v 1.6 2001/07/24 21:26:17 keithp Exp $ - * - * Copyright © 1999 Keith Packard - * - * 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 Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL KEITH PACKARD 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. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "kdrive.h" -#include "klinux.h" -#include <errno.h> -#include <signal.h> -#include <linux/vt.h> -#include <linux/kd.h> -#include <sys/stat.h> -#include <sys/ioctl.h> -#include <X11/keysym.h> -#include <linux/apm_bios.h> - -static int vtno; -int LinuxConsoleFd; -int LinuxApmFd = -1; -static int activeVT; -static Bool enabled; - -static void -LinuxVTRequest (int sig) -{ - kdSwitchPending = TRUE; -} - -/* Check before chowning -- this avoids touching the file system */ -static void -LinuxCheckChown (char *file) -{ - struct stat st; - __uid_t u; - __gid_t g; - - if (stat (file, &st) < 0) - return; - u = getuid (); - g = getgid (); - if (st.st_uid != u || st.st_gid != g) - chown (file, u, g); -} - -static int -LinuxInit (void) -{ - int fd = -1; - char vtname[11]; - struct vt_stat vts; - - LinuxConsoleFd = -1; - /* check if we're run with euid==0 */ - if (geteuid() != 0) - { - FatalError("LinuxInit: Server must be suid root\n"); - } - - if (kdVirtualTerminal >= 0) - vtno = kdVirtualTerminal; - else - { - if ((fd = open("/dev/tty0",O_WRONLY,0)) < 0) - { - FatalError( - "LinuxInit: Cannot open /dev/tty0 (%s)\n", - strerror(errno)); - } - if ((ioctl(fd, VT_OPENQRY, &vtno) < 0) || - (vtno == -1)) - { - FatalError("xf86OpenConsole: Cannot find a free VT\n"); - } - } - close(fd); - - sprintf(vtname,"/dev/tty%d",vtno); /* /dev/tty1-64 */ - - if ((LinuxConsoleFd = open(vtname, O_RDWR|O_NDELAY, 0)) < 0) - { - FatalError("LinuxInit: Cannot open %s (%s)\n", - vtname, strerror(errno)); - } - - /* change ownership of the vt */ - LinuxCheckChown (vtname); - - /* - * the current VT device we're running on is not "console", we want - * to grab all consoles too - * - * Why is this needed? - */ - LinuxCheckChown ("/dev/tty0"); - /* - * Linux doesn't switch to an active vt after the last close of a vt, - * so we do this ourselves by remembering which is active now. - */ - memset (&vts, '\0', sizeof (vts)); /* valgrind */ - if (ioctl(LinuxConsoleFd, VT_GETSTATE, &vts) == 0) - { - activeVT = vts.v_active; - } - - return 1; -} - -Bool -LinuxFindPci (CARD16 vendor, CARD16 device, CARD32 count, KdCardAttr *attr) -{ - FILE *f; - char line[2048], *l, *end; - CARD32 bus, id, addr; - int n; - CARD32 ven_dev; - Bool ret = FALSE; - int i; - - attr->vendorID = vendor; - attr->deviceID = device; - ven_dev = (((CARD32) vendor) << 16) | ((CARD32) device); - f = fopen ("/proc/bus/pci/devices", "r"); - if (!f) - return FALSE; - attr->io = 0; - while (fgets (line, sizeof (line)-1, f)) - { - line[sizeof(line)-1] = '\0'; - l = line; - bus = strtoul (l, &end, 16); - if (end == l) - continue; - l = end; - id = strtoul (l, &end, 16); - if (end == l) - continue; - l = end; - if (id != ven_dev) - continue; - if (count--) - continue; - (void) strtoul (l, &end, 16); /* IRQ */ - if (end == l) - continue; - l = end; - n = 0; - for (i = 0; i < 6; i++) - { - addr = strtoul (l, &end, 16); - if (end == l) - break; - if (addr & 1) - attr->io = addr & ~0xf; - else - { - if (n == KD_MAX_CARD_ADDRESS) - break; - attr->address[n++] = addr & ~0xf; - } - l = end; - } - while (n > 0) - { - if (attr->address[n-1] != 0) - break; - n--; - } - attr->naddr = n; - attr->domain = 0; /* XXX */ - attr->bus = (bus >> 8) & 0xff; - attr->slot = (bus >> 3) & 0x1f; - attr->func = bus & 0x07; - ret = TRUE; - break; - } - fclose (f); - return ret; -} - -unsigned char * -LinuxGetPciCfg(KdCardAttr *attr) -{ - char filename[256]; - FILE *f; - unsigned char *cfg; - int r; - - snprintf(filename, 255, "/proc/bus/pci/%02x/%02x.%x", - attr->bus >> 8, (attr->bus & 0xff) >> 3, attr->bus & 7); -/* fprintf(stderr,"Find card on path %s\n",filename); */ - - if (!(f=fopen(filename,"r"))) - return NULL; - - if (!(cfg=xalloc(256))) - { - fclose(f); - return NULL; - } - - if (256 != (r=fread(cfg, 1, 256, f))) - { - fprintf(stderr,"LinuxGetPciCfg: read %d, expected 256\n",r); - free(cfg); - cfg=NULL; - } - fclose(f); -/* fprintf(stderr,"LinuxGetPciCfg: success, returning %p\n",cfg); */ - return cfg; -} - -static void -LinuxSetSwitchMode (int mode) -{ - struct sigaction act; - struct vt_mode VT; - - if (ioctl(LinuxConsoleFd, VT_GETMODE, &VT) < 0) - { - FatalError ("LinuxInit: VT_GETMODE failed\n"); - } - - if (mode == VT_PROCESS) - { - act.sa_handler = LinuxVTRequest; - sigemptyset (&act.sa_mask); - act.sa_flags = 0; - sigaction (SIGUSR1, &act, 0); - - VT.mode = mode; - VT.relsig = SIGUSR1; - VT.acqsig = SIGUSR1; - } - else - { - act.sa_handler = SIG_IGN; - sigemptyset (&act.sa_mask); - act.sa_flags = 0; - sigaction (SIGUSR1, &act, 0); - - VT.mode = mode; - VT.relsig = 0; - VT.acqsig = 0; - } - if (ioctl(LinuxConsoleFd, VT_SETMODE, &VT) < 0) - { - FatalError("LinuxInit: VT_SETMODE failed\n"); - } -} - -static void -LinuxApmBlock (pointer blockData, OSTimePtr pTimeout, pointer pReadmask) -{ -} - -static Bool LinuxApmRunning; - -static void -LinuxApmWakeup (pointer blockData, int result, pointer pReadmask) -{ - fd_set *readmask = (fd_set *) pReadmask; - - if (result > 0 && LinuxApmFd >= 0 && FD_ISSET (LinuxApmFd, readmask)) - { - apm_event_t event; - Bool running = LinuxApmRunning; - int cmd = APM_IOC_SUSPEND; - - while (read (LinuxApmFd, &event, sizeof (event)) == sizeof (event)) - { - switch (event) { - case APM_SYS_STANDBY: - case APM_USER_STANDBY: - running = FALSE; - cmd = APM_IOC_STANDBY; - break; - case APM_SYS_SUSPEND: - case APM_USER_SUSPEND: - case APM_CRITICAL_SUSPEND: - running = FALSE; - cmd = APM_IOC_SUSPEND; - break; - case APM_NORMAL_RESUME: - case APM_CRITICAL_RESUME: - case APM_STANDBY_RESUME: - running = TRUE; - break; - } - } - if (running && !LinuxApmRunning) - { - KdResume (); - LinuxApmRunning = TRUE; - } - else if (!running && LinuxApmRunning) - { - KdSuspend (); - LinuxApmRunning = FALSE; - ioctl (LinuxApmFd, cmd, 0); - } - } -} - -#ifdef FNONBLOCK -#define NOBLOCK FNONBLOCK -#else -#define NOBLOCK FNDELAY -#endif - -static void -LinuxEnable (void) -{ - if (enabled) - return; - if (kdSwitchPending) - { - kdSwitchPending = FALSE; - ioctl (LinuxConsoleFd, VT_RELDISP, VT_ACKACQ); - } - /* - * Open the APM driver - */ - LinuxApmFd = open ("/dev/apm_bios", 2); - if (LinuxApmFd < 0 && errno == ENOENT) - LinuxApmFd = open ("/dev/misc/apm_bios", 2); - if (LinuxApmFd >= 0) - { - LinuxApmRunning = TRUE; - fcntl (LinuxApmFd, F_SETFL, fcntl (LinuxApmFd, F_GETFL) | NOBLOCK); - RegisterBlockAndWakeupHandlers (LinuxApmBlock, LinuxApmWakeup, 0); - AddEnabledDevice (LinuxApmFd); - } - - /* - * now get the VT - */ - LinuxSetSwitchMode (VT_AUTO); - if (ioctl(LinuxConsoleFd, VT_ACTIVATE, vtno) != 0) - { - FatalError("LinuxInit: VT_ACTIVATE failed\n"); - } - if (ioctl(LinuxConsoleFd, VT_WAITACTIVE, vtno) != 0) - { - FatalError("LinuxInit: VT_WAITACTIVE failed\n"); - } - LinuxSetSwitchMode (VT_PROCESS); - if (ioctl(LinuxConsoleFd, KDSETMODE, KD_GRAPHICS) < 0) - { - FatalError("LinuxInit: KDSETMODE KD_GRAPHICS failed\n"); - } - enabled = TRUE; -} - -static Bool -LinuxSpecialKey (KeySym sym) -{ - struct vt_stat vts; - int con; - - if (XK_F1 <= sym && sym <= XK_F12) - { - con = sym - XK_F1 + 1; - memset (&vts, '\0', sizeof (vts)); /* valgrind */ - ioctl (LinuxConsoleFd, VT_GETSTATE, &vts); - if (con != vts.v_active && (vts.v_state & (1 << con))) - { - ioctl (LinuxConsoleFd, VT_ACTIVATE, con); - return TRUE; - } - } - return FALSE; -} - -static void -LinuxDisable (void) -{ - ioctl(LinuxConsoleFd, KDSETMODE, KD_TEXT); /* Back to text mode ... */ - if (kdSwitchPending) - { - kdSwitchPending = FALSE; - ioctl (LinuxConsoleFd, VT_RELDISP, 1); - } - enabled = FALSE; - if (LinuxApmFd >= 0) - { - RemoveBlockAndWakeupHandlers (LinuxApmBlock, LinuxApmWakeup, 0); - RemoveEnabledDevice (LinuxApmFd); - close (LinuxApmFd); - LinuxApmFd = -1; - } -} - -static void -LinuxFini (void) -{ - struct vt_mode VT; - struct vt_stat vts; - int fd; - - if (LinuxConsoleFd < 0) - return; - - if (ioctl(LinuxConsoleFd, VT_GETMODE, &VT) != -1) - { - VT.mode = VT_AUTO; - ioctl(LinuxConsoleFd, VT_SETMODE, &VT); /* set dflt vt handling */ - } - memset (&vts, '\0', sizeof (vts)); /* valgrind */ - ioctl (LinuxConsoleFd, VT_GETSTATE, &vts); - /* - * Find a legal VT to switch to, either the one we started from - * or the lowest active one that isn't ours - */ - if (activeVT < 0 || - activeVT == vts.v_active || - !(vts.v_state & (1 << activeVT))) - { - for (activeVT = 1; activeVT < 16; activeVT++) - if (activeVT != vtno && (vts.v_state & (1 << activeVT))) - break; - if (activeVT == 16) - activeVT = -1; - } - /* - * Perform a switch back to the active VT when we were started - */ - if (activeVT >= -1) - { - ioctl (LinuxConsoleFd, VT_ACTIVATE, activeVT); - ioctl (LinuxConsoleFd, VT_WAITACTIVE, activeVT); - activeVT = -1; - } - close(LinuxConsoleFd); /* make the vt-manager happy */ - fd = open ("/dev/tty0", O_RDWR|O_NDELAY, 0); - if (fd >= 0) - { - memset (&vts, '\0', sizeof (vts)); /* valgrind */ - ioctl (fd, VT_GETSTATE, &vts); - if (ioctl (fd, VT_DISALLOCATE, vtno) < 0) - fprintf (stderr, "Can't deallocate console %d errno %d\n", vtno, errno); - close (fd); - } - return; -} - -KdOsFuncs LinuxFuncs = { - LinuxInit, - LinuxEnable, - LinuxSpecialKey, - LinuxDisable, - LinuxFini, - 0 -}; - -void -OsVendorInit (void) -{ - KdOsInit (&LinuxFuncs); -} |