xserver git update 15/5/2010

1 files changed, 990 insertions, 990 deletions

diff --git a/xorg-server/hw/dmx/input/lnx-keyboard.c b/xorg-server/hw/dmx/input/lnx-keyboard.c
index 939a32f07..11f21e25c 100644
--- a/xorg-server/hw/dmx/input/lnx-keyboard.c
+++ b/xorg-server/hw/dmx/input/lnx-keyboard.c
@@ -1,990 +1,990 @@
-/* Portions of this file were derived from the following files:
- *
- **********************************************************************
- *
- * xfree86/common/{xf86Io.c,xf86Kbd.c,xf86Events.c}
- *
- * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
- *
- * 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 Thomas Roell not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  Thomas Roell makes no representations
- * about the suitability of this software for any purpose.  It is provided
- * "as is" without express or implied warranty.
- *
- * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THOMAS ROELL 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.
- *
- **********************************************************************
- *
- * xfree86/common/xf86KbdLnx.c
- *
- * Linux version of keymapping setup. The kernel (since 0.99.14) has support
- * for fully remapping the keyboard, but there are some differences between
- * the Linux map and the SVR4 map (esp. in the extended keycodes). We also
- * remove the restriction on what keycodes can be remapped.
- * Orest Zborowski.
- *
- * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
- *
- * 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 Thomas Roell not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  Thomas Roell makes no representations
- * about the suitability of this software for any purpose.  It is provided
- * "as is" without express or implied warranty.
- *
- * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THOMAS ROELL 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.
- *
- **********************************************************************
- *
- * xfree86/os-support/linux/lnx_io.c
- *
- * Copyright 1992 by Orest Zborowski <obz@Kodak.com>
- * Copyright 1993 by David Dawes <dawes@xfree86.org>
- *
- * 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 names of Orest Zborowski and David Dawes 
- * not be used in advertising or publicity pertaining to distribution of 
- * the software without specific, written prior permission.  Orest Zborowski
- * and David Dawes make no representations about the suitability of this 
- * software for any purpose.  It is provided "as is" without express or 
- * implied warranty.
- *
- * OREST ZBOROWSKI AND DAVID DAWES DISCLAIMS ALL WARRANTIES WITH REGARD 
- * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND 
- * FITNESS, IN NO EVENT SHALL OREST ZBOROWSKI OR 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.
- *
- */
-
-/*
- * Copyright 2001-2003 Red Hat Inc., Durham, North Carolina.
- *
- * All Rights Reserved.
- *
- * 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 on 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 (including the
- * next paragraph) 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
- * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
- * 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.
- */
-
-/*
- * Authors:
- *   Rickard E. (Rik) Faith <faith@redhat.com>
- *
- */
-
-/** \file
- *
- * This code implements a low-level device driver for the Linux
- * keyboard.  The code is derived from code by Thomas Roell, Orest
- * Zborowski, and David Dawes (see the source code for complete
- * references). */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-/*****************************************************************************/
-/* Define some macros to make it easier to move this file to another
- * part of the Xserver tree.  All calls to the dmx* layer are #defined
- * here for the .c file.  The .h file will also have to be edited. */
-#include "dmxinputinit.h"
-#include "lnx-keyboard.h"
-
-#define GETPRIV       myPrivate *priv                            \
-                      = ((DMXLocalInputInfoPtr)(pDev->devicePrivate))->private
-
-#define LOG0(f)       dmxLog(dmxDebug,f)
-#define LOG1(f,a)     dmxLog(dmxDebug,f,a)
-#define LOG2(f,a,b)   dmxLog(dmxDebug,f,a,b)
-#define LOG3(f,a,b,c) dmxLog(dmxDebug,f,a,b,c)
-#define FATAL0(f)     dmxLog(dmxFatal,f)
-#define FATAL1(f,a)   dmxLog(dmxFatal,f,a)
-#define FATAL2(f,a,b) dmxLog(dmxFatal,f,a,b)
-#define MOTIONPROC    dmxMotionProcPtr
-#define ENQUEUEPROC   dmxEnqueueProcPtr
-#define CHECKPROC     dmxCheckSpecialProcPtr
-#define SWITCHRETPROC dmxVTSwitchReturnProcPtr
-#define BLOCK         DMXBlockType
-#define MESSAGE       "\033c\n\n\nDMX taking input from this console..."
-#define FINALMESSAGE  "\033cDMX terminated."
-
-/* End of interface definitions. */
-/*****************************************************************************/
-
-#include "inputstr.h"
-#include <X11/Xos.h>
-#include <sys/ioctl.h>
-#include <errno.h>
-#include <signal.h>
-#include <sys/vt.h>
-#include <sys/kd.h>
-#include <termios.h>
-#include "atKeynames.h"
-#if 00
-#include "xf86Keymap.h"
-#endif
-#include <linux/keyboard.h>
-#include <xkbsrv.h>
-
-#define NUM_AT2LNX (sizeof(at2lnx) / sizeof(at2lnx[0]))
-#define NUM_STATE_ENTRIES (256/32)
-
-
-/* Private area for Linux-style keyboards. */
-typedef struct _myPrivate {
-    int            fd;
-    int            vtno;
-    int            vtcurrent;
-    int            kbdtrans;
-    struct termios kbdtty;
-    int            kbdType;
-    CARD32         kbdState[NUM_STATE_ENTRIES];
-    DeviceIntPtr   pKeyboard;
-    unsigned char  prefix;
-
-    int            switched;
-    SWITCHRETPROC  switch_return;
-    void           *switch_return_data;
-
-                                /* For bell */
-    int            pitch;
-    unsigned long  duration;
-} myPrivate;
-
-static myPrivate *PRIV = NULL;
-
-#undef SYSCALL
-#define SYSCALL(call) while(((call) == -1) && (errno == EINTR))
-
-static int kbdLinuxKeyDown(myPrivate *priv, int keyCode)
-{
-    CARD8  byte = keyCode >> 5;
-    CARD32 bit  = 1 << (keyCode & 0x1f);
-
-    if (byte > NUM_STATE_ENTRIES) return 0;
-    return priv->kbdState[byte] & bit;
-}
-
-static void kbdLinuxKeyState(myPrivate *priv, int type, int keyCode)
-{
-    CARD8  byte = keyCode >> 5;
-    CARD32 bit  = 1 << (keyCode & 0x1f);
-
-    if (byte > NUM_STATE_ENTRIES) return;
-    if (type == KeyPress) priv->kbdState[byte] |= bit;
-    else                  priv->kbdState[byte] &= ~bit;
-}
-
-static KeySym linux_to_x[256] = {
-	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
-	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
-	XK_BackSpace,	XK_Tab,		XK_Linefeed,	NoSymbol,
-	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
-	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
-	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
-	NoSymbol,	NoSymbol,	NoSymbol,	XK_Escape,
-	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
-	XK_space,	XK_exclam,	XK_quotedbl,	XK_numbersign,
-	XK_dollar,	XK_percent,	XK_ampersand,	XK_apostrophe,
-	XK_parenleft,	XK_parenright,	XK_asterisk,	XK_plus,
-	XK_comma,	XK_minus,	XK_period,	XK_slash,
-	XK_0,		XK_1,		XK_2,		XK_3,
-	XK_4,		XK_5,		XK_6,		XK_7,
-	XK_8,		XK_9,		XK_colon,	XK_semicolon,
-	XK_less,	XK_equal,	XK_greater,	XK_question,
-	XK_at,		XK_A,		XK_B,		XK_C,
-	XK_D,		XK_E,		XK_F,		XK_G,
-	XK_H,		XK_I,		XK_J,		XK_K,
-	XK_L,		XK_M,		XK_N,		XK_O,
-	XK_P,		XK_Q,		XK_R,		XK_S,
-	XK_T,		XK_U,		XK_V,		XK_W,
-	XK_X,		XK_Y,		XK_Z,		XK_bracketleft,
-	XK_backslash,	XK_bracketright,XK_asciicircum,	XK_underscore,
-	XK_grave,	XK_a,		XK_b,		XK_c,
-	XK_d,		XK_e,		XK_f,		XK_g,
-	XK_h,		XK_i,		XK_j,		XK_k,
-	XK_l,		XK_m,		XK_n,		XK_o,
-	XK_p,		XK_q,		XK_r,		XK_s,
-	XK_t,		XK_u,		XK_v,		XK_w,
-	XK_x,		XK_y,		XK_z,		XK_braceleft,
-	XK_bar,		XK_braceright,	XK_asciitilde,	XK_BackSpace,
-	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
-	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
-	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
-	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
-	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
-	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
-	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
-	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
-	XK_nobreakspace,XK_exclamdown,	XK_cent,	XK_sterling,
-	XK_currency,	XK_yen,		XK_brokenbar,	XK_section,
-	XK_diaeresis,	XK_copyright,	XK_ordfeminine,	XK_guillemotleft,
-	XK_notsign,	XK_hyphen,	XK_registered,	XK_macron,
-	XK_degree,	XK_plusminus,	XK_twosuperior,	XK_threesuperior,
-	XK_acute,	XK_mu,		XK_paragraph,	XK_periodcentered,
-	XK_cedilla,	XK_onesuperior,	XK_masculine,	XK_guillemotright,
-	XK_onequarter,	XK_onehalf,	XK_threequarters,XK_questiondown,
-	XK_Agrave,	XK_Aacute,	XK_Acircumflex,	XK_Atilde,
-	XK_Adiaeresis,	XK_Aring,	XK_AE,		XK_Ccedilla,
-	XK_Egrave,	XK_Eacute,	XK_Ecircumflex,	XK_Ediaeresis,
-	XK_Igrave,	XK_Iacute,	XK_Icircumflex,	XK_Idiaeresis,
-	XK_ETH,		XK_Ntilde,	XK_Ograve,	XK_Oacute,
-	XK_Ocircumflex,	XK_Otilde,	XK_Odiaeresis,	XK_multiply,
-	XK_Ooblique,	XK_Ugrave,	XK_Uacute,	XK_Ucircumflex,
-	XK_Udiaeresis,	XK_Yacute,	XK_THORN,	XK_ssharp,
-	XK_agrave,	XK_aacute,	XK_acircumflex,	XK_atilde,
-	XK_adiaeresis,	XK_aring,	XK_ae,		XK_ccedilla,
-	XK_egrave,	XK_eacute,	XK_ecircumflex,	XK_ediaeresis,
-	XK_igrave,	XK_iacute,	XK_icircumflex,	XK_idiaeresis,
-	XK_eth,		XK_ntilde,	XK_ograve,	XK_oacute,
-	XK_ocircumflex,	XK_otilde,	XK_odiaeresis,	XK_division,
-	XK_oslash,	XK_ugrave,	XK_uacute,	XK_ucircumflex,
-	XK_udiaeresis,	XK_yacute,	XK_thorn,	XK_ydiaeresis
-};
-
-/*
- * Maps the AT keycodes to Linux keycodes
- */
-static unsigned char at2lnx[NUM_KEYCODES] =
-{
-	0x01,	/* KEY_Escape */	0x02,	/* KEY_1 */
-	0x03,	/* KEY_2 */		0x04,	/* KEY_3 */
-	0x05,	/* KEY_4 */		0x06,	/* KEY_5 */
-	0x07,	/* KEY_6 */		0x08,	/* KEY_7 */
-	0x09,	/* KEY_8 */		0x0a,	/* KEY_9 */
-	0x0b,	/* KEY_0 */		0x0c,	/* KEY_Minus */
-	0x0d,	/* KEY_Equal */		0x0e,	/* KEY_BackSpace */
-	0x0f,	/* KEY_Tab */		0x10,	/* KEY_Q */
-	0x11,	/* KEY_W */		0x12,	/* KEY_E */
-	0x13,	/* KEY_R */		0x14,	/* KEY_T */
-	0x15,	/* KEY_Y */		0x16,	/* KEY_U */
-	0x17,	/* KEY_I */		0x18,	/* KEY_O */
-	0x19,	/* KEY_P */		0x1a,	/* KEY_LBrace */
-	0x1b,	/* KEY_RBrace */	0x1c,	/* KEY_Enter */
-	0x1d,	/* KEY_LCtrl */		0x1e,	/* KEY_A */
-	0x1f,	/* KEY_S */		0x20,	/* KEY_D */
-	0x21,	/* KEY_F */		0x22,	/* KEY_G */
-	0x23,	/* KEY_H */		0x24,	/* KEY_J */
-	0x25,	/* KEY_K */		0x26,	/* KEY_L */
-	0x27,	/* KEY_SemiColon */	0x28,	/* KEY_Quote */
-	0x29,	/* KEY_Tilde */		0x2a,	/* KEY_ShiftL */
-	0x2b,	/* KEY_BSlash */	0x2c,	/* KEY_Z */
-	0x2d,	/* KEY_X */		0x2e,	/* KEY_C */
-	0x2f,	/* KEY_V */		0x30,	/* KEY_B */
-	0x31,	/* KEY_N */		0x32,	/* KEY_M */
-	0x33,	/* KEY_Comma */		0x34,	/* KEY_Period */
-	0x35,	/* KEY_Slash */		0x36,	/* KEY_ShiftR */
-	0x37,	/* KEY_KP_Multiply */	0x38,	/* KEY_Alt */
-	0x39,	/* KEY_Space */		0x3a,	/* KEY_CapsLock */
-	0x3b,	/* KEY_F1 */		0x3c,	/* KEY_F2 */
-	0x3d,	/* KEY_F3 */		0x3e,	/* KEY_F4 */
-	0x3f,	/* KEY_F5 */		0x40,	/* KEY_F6 */
-	0x41,	/* KEY_F7 */		0x42,	/* KEY_F8 */
-	0x43,	/* KEY_F9 */		0x44,	/* KEY_F10 */
-	0x45,	/* KEY_NumLock */	0x46,	/* KEY_ScrollLock */
-	0x47,	/* KEY_KP_7 */		0x48,	/* KEY_KP_8 */
-	0x49,	/* KEY_KP_9 */		0x4a,	/* KEY_KP_Minus */
-	0x4b,	/* KEY_KP_4 */		0x4c,	/* KEY_KP_5 */
-	0x4d,	/* KEY_KP_6 */		0x4e,	/* KEY_KP_Plus */
-	0x4f,	/* KEY_KP_1 */		0x50,	/* KEY_KP_2 */
-	0x51,	/* KEY_KP_3 */		0x52,	/* KEY_KP_0 */
-	0x53,	/* KEY_KP_Decimal */	0x54,	/* KEY_SysReqest */
-	0x00,	/* 0x55 */		0x56,	/* KEY_Less */
-	0x57,	/* KEY_F11 */		0x58,	/* KEY_F12 */
-	0x66,	/* KEY_Home */		0x67,	/* KEY_Up */
-	0x68,	/* KEY_PgUp */		0x69,	/* KEY_Left */
-	0x5d,	/* KEY_Begin */		0x6a,	/* KEY_Right */
-	0x6b,	/* KEY_End */		0x6c,	/* KEY_Down */
-	0x6d,	/* KEY_PgDown */	0x6e,	/* KEY_Insert */
-	0x6f,	/* KEY_Delete */	0x60,	/* KEY_KP_Enter */
-	0x61,	/* KEY_RCtrl */		0x77,	/* KEY_Pause */
-	0x63,	/* KEY_Print */		0x62,	/* KEY_KP_Divide */
-	0x64,	/* KEY_AltLang */	0x65,	/* KEY_Break */
-	0x00,	/* KEY_LMeta */		0x00,	/* KEY_RMeta */
-	0x7A,	/* KEY_Menu/FOCUS_PF11*/0x00,	/* 0x6e */
-	0x7B,	/* FOCUS_PF12 */	0x00,	/* 0x70 */
-	0x00,	/* 0x71 */		0x00,	/* 0x72 */
-	0x59,	/* FOCUS_PF2 */		0x78,	/* FOCUS_PF9 */
-	0x00,	/* 0x75 */		0x00,	/* 0x76 */
-	0x5A,	/* FOCUS_PF3 */		0x5B,	/* FOCUS_PF4 */
-	0x5C,	/* FOCUS_PF5 */		0x5D,	/* FOCUS_PF6 */
-	0x5E,	/* FOCUS_PF7 */		0x5F,	/* FOCUS_PF8 */
-	0x7C,	/* JAP_86 */		0x79,	/* FOCUS_PF10 */
-	0x00,	/* 0x7f */
-};
-
-/** Create a private structure for use within this file. */
-pointer kbdLinuxCreatePrivate(DeviceIntPtr pKeyboard)
-{
-    myPrivate *priv = calloc(1, sizeof(*priv));
-    priv->fd        = -1;
-    priv->pKeyboard = pKeyboard;
-    return priv;
-}
-
-/** Destroy a private structure. */
-void kbdLinuxDestroyPrivate(pointer priv)
-{
-    if (priv) free(priv);
-}
-
-/** Ring the bell.
- *
- * Note: we completely ignore the \a volume, since Linux's ioctl()
- * interface does not provide a way to control it.  If it did, the XBell
- * manpage tells how the actual volume is a function of the percent and
- * the (base) volume.
- *
- * Note that most of the other PC-based bell drivers compute the
- * duration for KDMKTONE as a function of the volume and the duration.
- * For some drivers, the duration is only measured in mS if the volume
- * is 50, and is scaled by the volume for other values.  This seems
- * confusing and possibly incorrect (the xset man page says that the
- * bell will be "as closely as it can to the user's specifications" --
- * if we ignore the volume and set the duration correctly, then we'll
- * get one parameter "wrong" -- but if we use the volume to scale the
- * duration, then we'll get both parameters "wrong"). */
-void kbdLinuxBell(DevicePtr pDev, int percent,
-                  int volume, int pitch, int duration)
-{
-    GETPRIV;
-
-    if (duration && pitch) {
-        ioctl(priv->fd,
-              KDMKTONE,
-              ((1193190 / pitch) & 0xffff) /* Low bits specify cycle time */
-              | (duration << 16)); /* High bits are duration in msec */
-    }
-}
-
-/** Set the LEDs. */
-void kbdLinuxCtrl(DevicePtr pDev, KeybdCtrl *ctrl)
-{
-    GETPRIV;
-
-    ioctl(priv->fd, KDSETLED, ctrl->leds & 0x07);
-}
-
-static int kbdLinuxGetFreeVTNumber(void)
-{
-    int        fd = -1;
-    int        vtno;
-    int        i;
-    const char *tty0[] = { "/dev/tty0", "/dev/vc/0", NULL };
-    
-    for (i = 0; tty0[i]; i++)
-        if ((fd = open(tty0[i], O_WRONLY, 0)) >= 0) break;
-    if (fd < 0)
-        FATAL1("kbdLinuxGetFreeVTNumber: Cannot open tty0 (%s)\n",
-               strerror(errno));
-    if (ioctl(fd, VT_OPENQRY, &vtno) < 0 || vtno < 0)
-        FATAL0("kbdLinuxGetFreeVTNumber: Cannot find a free VT\n");
-    return vtno;
-}
-
-static int kbdLinuxOpenVT(int vtno)
-{
-    int        fd = -1;
-    int        i;
-    const char *vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL };
-    char       name[64];        /* RATS: Only used in XmuSnprintf */
-
-    for (i = 0; vcs[i]; i++) {
-        XmuSnprintf(name, sizeof(name), vcs[i], vtno);
-        if ((fd = open(name, O_RDWR | O_NONBLOCK, 0)) >= 0) break;
-    }
-    if (fd < 0)
-        FATAL2("kbdLinuxOpenVT: Cannot open VT %d (%s)\n",
-               vtno, strerror(errno));
-    return fd;
-}
-
-static int kbdLinuxGetCurrentVTNumber(int fd)
-{
-    struct vt_stat vts;
-    
-    if (!ioctl(fd, VT_GETSTATE, &vts)) return vts.v_active;
-    return -1;
-}
-
-static int kbdLinuxActivate(int fd, int vtno, int setSig);
-
-/** Currently unused hook called prior to an VT switch. */
-void kbdLinuxVTPreSwitch(pointer p)
-{
-}
-
-/** Currently unused hook called after returning from a VT switch. */
-void kbdLinuxVTPostSwitch(pointer p)
-{
-}
-
-/** Tell the operating system to switch to \a vt.  The \a switch_return
- * function is called with the \a switch_return_data when the VT is
- * switched back to the pre-switch VT (i.e., the user returns to the DMX
- * session). */
-int kbdLinuxVTSwitch(pointer p, int vt,
-                     void (*switch_return)(pointer),
-                     pointer switch_return_data)
-{
-    myPrivate *priv = p;
-
-    if (priv->switched) FATAL0("kbdLinuxVTSwitch: already switched...\n");
-    if (priv->vtno == vt) return 0;
-
-    PRIV                     = priv;
-    priv->switched           = 0; /* Will switch to 1 in handler */
-    priv->switch_return      = switch_return;
-    priv->switch_return_data = switch_return_data;
-    kbdLinuxActivate(priv->fd, vt, 0);
-    return 1;
-}
-
-/* RATS: This function is only ever used to handle SIGUSR1. */
-static void kbdLinuxVTSignalHandler(int sig)
-{
-    myPrivate *priv = PRIV;
-    
-    signal(sig, kbdLinuxVTSignalHandler);
-    if (priv) {
-        ioctl(priv->fd, VT_RELDISP, VT_ACKACQ);
-        priv->switched = !priv->switched;
-        LOG2("kbdLinuxVTSignalHandler: got signal %d, switched = %d\n",
-             sig, priv->switched);
-        if (!priv->switched && priv->switch_return)
-            priv->switch_return(priv->switch_return_data);
-    }
-}
-
-static int kbdLinuxActivate(int fd, int vtno, int setSig)
-{
-    int            result;
-    struct vt_mode VT;
-
-    SYSCALL(result = ioctl(fd, VT_ACTIVATE, vtno));
-    if (result) FATAL0("kbdLinuxActivate: VT_ACTIVATE failed\n");
-    SYSCALL(result = ioctl(fd, VT_WAITACTIVE, vtno));
-    if (result) FATAL0("kbdLinuxActivate: VT_WAITACTIVE failed\n");
-    if (setSig) {
-        SYSCALL(result = ioctl(fd, VT_GETMODE, &VT));
-        if (result < 0) FATAL0("kbdLinuxActivate: VT_GETMODE failed\n");
-        VT.mode   = VT_PROCESS;
-        VT.relsig = SIGUSR1;
-        VT.acqsig = SIGUSR1;
-        if (ioctl(fd, VT_SETMODE, &VT))
-            FATAL0("kbdLinuxActivate: VT_SETMODE VT_PROCESS failed\n");
-        signal(SIGUSR1, kbdLinuxVTSignalHandler);
-    }
-    return Success;
-}
-
-static void kbdLinuxOpenConsole(DevicePtr pDev)
-{
-    GETPRIV;
-    const char *msg = MESSAGE;
-
-    if (priv->fd >= 0) return;
-    priv->vtno      = kbdLinuxGetFreeVTNumber();
-    priv->fd        = kbdLinuxOpenVT(priv->vtno);
-    priv->vtcurrent = kbdLinuxGetCurrentVTNumber(priv->fd);
-    LOG2("kbdLinuxOpenConsole: current VT %d; using free VT %d\n",
-         priv->vtcurrent, priv->vtno);
-    kbdLinuxActivate(priv->fd, priv->vtno, 1);
-    ioctl(priv->fd, KDSETMODE, KD_GRAPHICS); /* To turn off gpm */
-    if (msg) write(priv->fd, msg, strlen(msg));
-}
-
-static void kbdLinuxCloseConsole(DevicePtr pDev)
-{
-    GETPRIV;
-    struct vt_mode VT;
-    const char     *msg = FINALMESSAGE;
-
-    if (priv->fd < 0) return;
-
-    ioctl(priv->fd, KDSETMODE, KD_TEXT);
-    if (msg) write(priv->fd, msg, strlen(msg));
-    if (ioctl(priv->fd, VT_GETMODE, &VT) != -1) {
-        VT.mode = VT_AUTO;
-        ioctl(priv->fd, VT_SETMODE, &VT);
-    }
-
-    LOG1("kbdLinuxCloseConsole: switching to VT %d\n", priv->vtcurrent);
-    if (priv->vtcurrent >= 0) kbdLinuxActivate(priv->fd, priv->vtcurrent, 0);
-    
-    close(priv->fd);
-    priv->fd = -1;
-}
-
-/** Initialize the \a pDev as a Linux keyboard. */
-void kbdLinuxInit(DevicePtr pDev)
-{
-    GETPRIV;
-
-    if (priv->fd <= 0) kbdLinuxOpenConsole(pDev);
-    
-    ioctl(priv->fd, KDGKBMODE, &priv->kbdtrans);
-    if (tcgetattr(priv->fd, &priv->kbdtty) < 0)
-        FATAL1("kbdLinuxInit: tcgetattr failed (%s)\n", strerror(errno));
-}
-
-static int kbdLinuxPrefix0Mapping(unsigned char *scanCode)
-{
-                                /* Table from xfree86/common/xf86Events.c */
-    switch (*scanCode) {
-    case KEY_KP_7:        *scanCode = KEY_Home;      break; /* curs home */
-    case KEY_KP_8:        *scanCode = KEY_Up;        break; /* curs up */
-    case KEY_KP_9:        *scanCode = KEY_PgUp;      break; /* curs pgup */
-    case KEY_KP_4:        *scanCode = KEY_Left;      break; /* curs left */
-    case KEY_KP_5:        *scanCode = KEY_Begin;     break; /* curs begin */
-    case KEY_KP_6:        *scanCode = KEY_Right;     break; /* curs right */
-    case KEY_KP_1:        *scanCode = KEY_End;       break; /* curs end */
-    case KEY_KP_2:        *scanCode = KEY_Down;      break; /* curs down */
-    case KEY_KP_3:        *scanCode = KEY_PgDown;    break; /* curs pgdown */
-    case KEY_KP_0:        *scanCode = KEY_Insert;    break; /* curs insert */
-    case KEY_KP_Decimal:  *scanCode = KEY_Delete;    break; /* curs delete */
-    case KEY_Enter:       *scanCode = KEY_KP_Enter;  break; /* keypad enter */
-    case KEY_LCtrl:       *scanCode = KEY_RCtrl;     break; /* right ctrl */
-    case KEY_KP_Multiply: *scanCode = KEY_Print;     break; /* print */
-    case KEY_Slash:       *scanCode = KEY_KP_Divide; break; /* keyp divide */
-    case KEY_Alt:         *scanCode = KEY_AltLang;   break; /* right alt */
-    case KEY_ScrollLock:  *scanCode = KEY_Break;     break; /* curs break */
-    case 0x5b:            *scanCode = KEY_LMeta;     break;
-    case 0x5c:            *scanCode = KEY_RMeta;     break;
-    case 0x5d:            *scanCode = KEY_Menu;      break;
-    case KEY_F3:          *scanCode = KEY_F13;       break;
-    case KEY_F4:          *scanCode = KEY_F14;       break;
-    case KEY_F5:          *scanCode = KEY_F15;       break;
-    case KEY_F6:          *scanCode = KEY_F16;       break;
-    case KEY_F7:          *scanCode = KEY_F17;       break;
-    case KEY_KP_Plus:     *scanCode = KEY_KP_DEC;    break;
-        /*
-         * Ignore virtual shifts (E0 2A, E0 AA, E0 36, E0 B6)
-         */
-    case 0x2A:
-    case 0x36:
-        return 1;
-    default:
-        /*
-         * "Internet" keyboards are generating lots of new codes.
-         * Let them pass.  There is little consistency between them,
-         * so don't bother with symbolic names at this level.
-         */
-        scanCode += 0x78;
-    }
-    return 0;
-}
-
-static int kbdLinuxPrefixMapping(myPrivate *priv, unsigned char *scanCode)
-{
-    int           pressed = *scanCode & 0x80;
-    unsigned char code    = *scanCode & 0x7f;
-
-                                /* If we don't have a prefix, check for one */
-    if (!priv->prefix) {
-        switch (code) {
-        case KEY_Prefix0:
-        case KEY_Prefix1:
-            priv->prefix = code;
-            return 1;
-        }
-        return 0;               /* No change */
-    }
-
-                                /* We have a prefix from the last scanCode */
-    switch (priv->prefix) {
-    case KEY_Prefix0:
-        priv->prefix = 0;
-        if (kbdLinuxPrefix0Mapping(&code)) return 1; /* Skip sequence */
-        break;
-    case KEY_Prefix1:
-        priv->prefix = (code = KEY_LCtrl) ? KEY_LCtrl : 0;
-        return 1;                                       /* Use new prefix */
-    case KEY_LCtrl:
-        priv->prefix = 0;
-        if (code != KEY_NumLock) return 1;              /* Skip sequence*/
-        code = KEY_Pause;
-        break;
-    }
-
-    *scanCode = code | (pressed ? 0x80 : 0x00);
-    return 0;                                           /* Use old scanCode */
-}
-
-static void kbdLinuxConvert(DevicePtr pDev,
-                            unsigned char scanCode,
-                            ENQUEUEPROC enqueue,
-                            CHECKPROC checkspecial,
-                            BLOCK block)
-{
-    GETPRIV;
-    XkbSrvInfoPtr  xkbi = priv->pKeyboard->key->xkbInfo;
-    int            type;
-    KeySym         keySym   = NoSymbol;
-    int            keyCode;
-    int            switching;
-
-    /* Do special PC/AT prefix mapping -- may change scanCode! */
-    if (kbdLinuxPrefixMapping(priv, &scanCode)) return;
-
-    type    = (scanCode & 0x80) ? KeyRelease : KeyPress;
-    keyCode = (scanCode & 0x7f) + MIN_KEYCODE;
-
-    /* Handle repeats */
-
-    if (keyCode >= xkbi->desc->min_key_code &&
-        keyCode <= xkbi->desc->max_key_code) {
-
-        int effectiveGroup = XkbGetEffectiveGroup(xkbi,
-                                                  &xkbi->state,
-                                                  scanCode);
-        keySym = XkbKeySym(xkbi->desc, scanCode, effectiveGroup);
-#if 0
-        switch (keySym) {
-        case XK_Num_Lock:
-        case XK_Scroll_Lock:
-        case XK_Shift_Lock:
-        case XK_Caps_Lock:
-            /* Ignore releases and all but first press */
-            if (kbdLinuxModIgnore(priv, &xE, keySym)) return;
-            if (kbdLinuxKeyDown(priv, &xE)) xE.u.u.type = KeyRelease;
-            else                            xE.u.u.type = KeyPress;
-            break;
-        }
-#endif
-
-        /* If key is already down, ignore or autorepeat */
-        if (type == KeyPress && kbdLinuxKeyDown(priv, keyCode)) {
-            KbdFeedbackClassRec *feed = priv->pKeyboard->kbdfeed;
-
-            /* No auto-repeat? */
-            if ((feed && !feed->ctrl.autoRepeat)
-                || priv->pKeyboard->key->xkbInfo->desc->map->modmap[keyCode]
-                || (feed
-                    && !(feed->ctrl.autoRepeats[keyCode >> 3]
-                         & (1 << (keyCode & 7))))) return; /* Ignore */
-            
-            /* Do auto-repeat */
-            enqueue(pDev, KeyRelease, keyCode, keySym, NULL, block);
-            type = KeyPress;
-        }
-        
-        /* If key is already up, ignore */
-        if (type == KeyRelease && !kbdLinuxKeyDown(priv, keyCode)) return;
-    }
-
-    switching = 0;
-    if (checkspecial && type == KeyPress)
-        switching = checkspecial(pDev, keySym);
-    if (!switching) {
-        if (enqueue)
-            enqueue(pDev, type, keyCode, keySym, NULL, block);
-        kbdLinuxKeyState(priv, type, keyCode); /* Update our state bitmap */
-    }
-}
-
-/** Read an event from the \a pDev device.  If the event is a motion
- * event, enqueue it with the \a motion function.  Otherwise, check for
- * special keys with the \a checkspecial function and enqueue the event
- * with the \a enqueue function.  The \a block type is passed to the
- * functions so that they may block SIGIO handling as appropriate to the
- * caller of this function. */
-void kbdLinuxRead(DevicePtr pDev,
-                  MOTIONPROC motion,
-                  ENQUEUEPROC enqueue,
-                  CHECKPROC checkspecial,
-                  BLOCK block)
-{
-    GETPRIV;
-    unsigned char buf[256];     /* RATS: Only used in length-limited call */
-    unsigned char *pt;
-    int           n;
-
-    while ((n = read(priv->fd, buf, sizeof(buf))) > 0)
-        for (pt = buf; n; --n, ++pt)
-            kbdLinuxConvert(pDev, *pt, enqueue, checkspecial, block);
-}
-
-/** Turn \a pDev on (i.e., take input from \a pDev). */
-int kbdLinuxOn(DevicePtr pDev)
-{
-    GETPRIV;
-    struct termios nTty;
-
-    ioctl(priv->fd, KDSKBMODE, K_RAW);
-
-    nTty             = priv->kbdtty;
-    nTty.c_iflag     = (IGNPAR | IGNBRK) & (~PARMRK) & (~ISTRIP);
-    nTty.c_oflag     = 0;
-    nTty.c_cflag     = CREAD | CS8;
-    nTty.c_lflag     = 0;
-    nTty.c_cc[VTIME] = 0;
-    nTty.c_cc[VMIN]  = 1;
-    cfsetispeed(&nTty, B9600);
-    cfsetospeed(&nTty, B9600);
-    if (tcsetattr(priv->fd, TCSANOW, &nTty) < 0)
-        FATAL1("kbdLinuxOn: tcsetattr failed (%s)\n", strerror(errno));
-    return priv->fd;
-}
-
-/** Turn \a pDev off (i.e., stop taking input from \a pDev). */
-void kbdLinuxOff(DevicePtr pDev)
-{
-    GETPRIV;
-
-    ioctl(priv->fd, KDSKBMODE, priv->kbdtrans);
-    tcsetattr(priv->fd, TCSANOW, &priv->kbdtty);
-    kbdLinuxCloseConsole(pDev);
-}
-
-
-static void kbdLinuxReadKernelMapping(int fd, KeySymsPtr pKeySyms)
-{
-    KeySym        *k;
-    int           i;
-    int           maxkey;
-    static unsigned char tbl[GLYPHS_PER_KEY] = { /* RATS: Use ok */
-        0,	/* unshifted */
-        1,	/* shifted */
-        0,	/* modeswitch unshifted */
-        0	/* modeswitch shifted */
-    };
-
-  /*
-   * Read the mapping from the kernel.
-   * Since we're still using the XFree86 scancode->AT keycode mapping
-   * routines, we need to convert the AT keycodes to Linux keycodes,
-   * then translate the Linux keysyms into X keysyms.
-   *
-   * First, figure out which tables to use for the modeswitch columns
-   * above, from the XF86Config fields.
-   */
-  tbl[2] = 8;	/* alt */
-  tbl[3] = tbl[2] | 1;
-
-#if 00/*BP*/
-  k = map+GLYPHS_PER_KEY;
-#else
-  ErrorF("kbdLinuxReadKernelMapping() is broken/no-op'd\n");
-  return;
-#endif
-  maxkey = NUM_AT2LNX;
-
-  for (i = 0; i < maxkey; ++i) {
-      struct kbentry kbe;
-      int j;
-
-      kbe.kb_index = at2lnx[i];
-
-      for (j = 0; j < GLYPHS_PER_KEY; ++j, ++k) {
-          unsigned short kval;
-
-          *k = NoSymbol;
-
-          kbe.kb_table = tbl[j];
-          if (kbe.kb_index == 0 || ioctl(fd, KDGKBENT, &kbe)) continue;
-
-          kval = KVAL(kbe.kb_value);
-          switch (KTYP(kbe.kb_value)) {
-          case KT_LATIN:
-          case KT_LETTER: *k = linux_to_x[kval]; break;
-          case KT_FN:
-              if (kval <= 19) *k = XK_F1 + kval;
-              else switch (kbe.kb_value) {
-              case K_FIND:       *k = XK_Home; /* or XK_Find */      break;
-              case K_INSERT:     *k = XK_Insert;                     break;
-              case K_REMOVE:     *k = XK_Delete;                     break;
-              case K_SELECT:     *k = XK_End; /* or XK_Select */     break;
-              case K_PGUP:       *k = XK_Prior;                      break;
-              case K_PGDN:       *k = XK_Next;                       break;
-              case K_HELP:       *k = XK_Help;                       break;
-              case K_DO:         *k = XK_Execute;                    break;
-              case K_PAUSE:      *k = XK_Pause;                      break;
-              case K_MACRO:      *k = XK_Menu;                       break;
-              default:                                               break;
-              }
-              break;
-          case KT_SPEC:
-              switch (kbe.kb_value) {
-              case K_ENTER:      *k = XK_Return;                     break;
-              case K_BREAK:      *k = XK_Break;                      break;
-              case K_CAPS:       *k = XK_Caps_Lock;                  break;
-              case K_NUM:        *k = XK_Num_Lock;                   break;
-              case K_HOLD:       *k = XK_Scroll_Lock;                break;
-              case K_COMPOSE:    *k = XK_Multi_key;                  break;
-              default:                                               break;
-              }
-              break;
-          case KT_PAD:
-              switch (kbe.kb_value) {
-              case K_PPLUS:      *k = XK_KP_Add;                     break;
-              case K_PMINUS:     *k = XK_KP_Subtract;                break;
-              case K_PSTAR:      *k = XK_KP_Multiply;                break;
-              case K_PSLASH:     *k = XK_KP_Divide;                  break;
-              case K_PENTER:     *k = XK_KP_Enter;                   break;
-              case K_PCOMMA:     *k = XK_KP_Separator;               break;
-              case K_PDOT:       *k = XK_KP_Decimal;                 break;
-              case K_PPLUSMINUS: *k = XK_KP_Subtract;                break;
-              default:           if (kval <= 9) *k = XK_KP_0 + kval; break;
-              }
-              break;
-          case KT_DEAD:
-              /* KT_DEAD keys are for accelerated diacritical creation. */
-              switch (kbe.kb_value) {
-              case K_DGRAVE:     *k = XK_dead_grave;                 break;
-              case K_DACUTE:     *k = XK_dead_acute;                 break;
-              case K_DCIRCM:     *k = XK_dead_circumflex;            break;
-              case K_DTILDE:     *k = XK_dead_tilde;                 break;
-              case K_DDIERE:     *k = XK_dead_diaeresis;             break;
-              }
-              break;
-          case KT_CUR:
-              switch (kbe.kb_value) {
-              case K_DOWN:       *k = XK_Down;                       break;
-              case K_LEFT:       *k = XK_Left;                       break;
-              case K_RIGHT:      *k = XK_Right;                      break;
-              case K_UP:         *k = XK_Up;                         break;
-              }
-              break;
-          case KT_SHIFT:
-              switch (kbe.kb_value) {
-              case K_ALTGR:      *k = XK_Alt_R;                       break;
-              case K_ALT:
-                  *k = (kbe.kb_index == 0x64 ? XK_Alt_R : XK_Alt_L);
-                  break;
-              case K_CTRL:
-                  *k = (kbe.kb_index == 0x61 ? XK_Control_R : XK_Control_L);
-                  break;
-              case K_CTRLL:      *k = XK_Control_L;                   break;
-              case K_CTRLR:      *k = XK_Control_R;                   break;
-              case K_SHIFT:
-                  *k = (kbe.kb_index == 0x36 ? XK_Shift_R : XK_Shift_L);
-                  break;
-              case K_SHIFTL:     *k = XK_Shift_L;                     break;
-              case K_SHIFTR:     *k = XK_Shift_R;                     break;
-              default:                                                break;
-              }
-              break;
-          case KT_ASCII:
-              /* KT_ASCII keys accumulate a 3 digit decimal number that
-               * gets emitted when the shift state changes. We can't
-               * emulate that.
-               */
-              break;
-          case KT_LOCK:
-              if (kbe.kb_value == K_SHIFTLOCK) *k = XK_Shift_Lock;
-              break;
-          default:                                                    break;
-          }
-      }
-      
-      if (k[-1] == k[-2])                   k[-1] = NoSymbol;
-      if (k[-2] == k[-3])                   k[-2] = NoSymbol;
-      if (k[-3] == k[-4])                   k[-3] = NoSymbol;
-      if (k[-4] == k[-2] && k[-3] == k[-1]) k[-2] = k[-1] = NoSymbol;
-      if (k[-1] == k[-4] && k[-2] == k[-3]
-          && k[-2] == NoSymbol)             k[-1] = NoSymbol;
-  }
-}
-
-static void kbdLinuxGetMap(DevicePtr pDev, KeySymsPtr pKeySyms, CARD8 *pModMap)
-{
-    GETPRIV;
-    KeySym        *k, *mapCopy;
-    char          type;
-    int           i;
-
-#if 00/*BP*/
-    mapCopy = xalloc(sizeof(map));
-    memcpy(mapCopy, map, sizeof(map));
-#else
-    ErrorF("kbdLinuxGetMap() is broken/no-op'd\n");
-    return;
-#endif
-
-    kbdLinuxReadKernelMapping(priv->fd, pKeySyms);
-
-    /* compute the modifier map */
-    for (i = 0; i < MAP_LENGTH; i++)
-        pModMap[i] = NoSymbol;  /* make sure it is restored */
-  
-    for (k = mapCopy, i = MIN_KEYCODE;
-         i < NUM_KEYCODES + MIN_KEYCODE;
-         i++, k += 4) {
-        switch(*k) {
-        case XK_Shift_L:
-        case XK_Shift_R:     pModMap[i] = ShiftMask;      break;
-        case XK_Control_L:
-        case XK_Control_R:   pModMap[i] = ControlMask;    break;
-        case XK_Caps_Lock:   pModMap[i] = LockMask;       break;
-        case XK_Alt_L:
-        case XK_Alt_R:       pModMap[i] = AltMask;        break;
-        case XK_Num_Lock:    pModMap[i] = NumLockMask;    break;
-        case XK_Scroll_Lock: pModMap[i] = ScrollLockMask; break;
-        case XK_Kana_Lock:
-        case XK_Kana_Shift:  pModMap[i] = KanaMask;       break;
-        case XK_Mode_switch: pModMap[i] = AltLangMask;    break;
-        }
-    }
-
-    priv->kbdType = (ioctl(priv->fd, KDGKBTYPE, &type) < 0) ? KB_101 : type;
-
-    pKeySyms->map        = mapCopy; /* Must be XFree'able */
-    pKeySyms->mapWidth   = GLYPHS_PER_KEY;
-    pKeySyms->minKeyCode = MIN_KEYCODE;
-    pKeySyms->maxKeyCode = MAX_KEYCODE;
-}
-
-/** Fill the \a info structure with information needed to initialize \a
- * pDev. */ 
-void kbdLinuxGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info)
-{
-    info->keyboard         = 1;
-    info->keyClass         = 1;
-    kbdLinuxGetMap(pDev, &info->keySyms, info->modMap);
-    info->focusClass       = 1;
-    info->kbdFeedbackClass = 1;
-}
+/* Portions of this file were derived from the following files:

+ *

+ **********************************************************************

+ *

+ * xfree86/common/{xf86Io.c,xf86Kbd.c,xf86Events.c}

+ *

+ * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.

+ *

+ * 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 Thomas Roell not be used in

+ * advertising or publicity pertaining to distribution of the software without

+ * specific, written prior permission.  Thomas Roell makes no representations

+ * about the suitability of this software for any purpose.  It is provided

+ * "as is" without express or implied warranty.

+ *

+ * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO

+ * EVENT SHALL THOMAS ROELL 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.

+ *

+ **********************************************************************

+ *

+ * xfree86/common/xf86KbdLnx.c

+ *

+ * Linux version of keymapping setup. The kernel (since 0.99.14) has support

+ * for fully remapping the keyboard, but there are some differences between

+ * the Linux map and the SVR4 map (esp. in the extended keycodes). We also

+ * remove the restriction on what keycodes can be remapped.

+ * Orest Zborowski.

+ *

+ * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.

+ *

+ * 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 Thomas Roell not be used in

+ * advertising or publicity pertaining to distribution of the software without

+ * specific, written prior permission.  Thomas Roell makes no representations

+ * about the suitability of this software for any purpose.  It is provided

+ * "as is" without express or implied warranty.

+ *

+ * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO

+ * EVENT SHALL THOMAS ROELL 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.

+ *

+ **********************************************************************

+ *

+ * xfree86/os-support/linux/lnx_io.c

+ *

+ * Copyright 1992 by Orest Zborowski <obz@Kodak.com>

+ * Copyright 1993 by David Dawes <dawes@xfree86.org>

+ *

+ * 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 names of Orest Zborowski and David Dawes 

+ * not be used in advertising or publicity pertaining to distribution of 

+ * the software without specific, written prior permission.  Orest Zborowski

+ * and David Dawes make no representations about the suitability of this 

+ * software for any purpose.  It is provided "as is" without express or 

+ * implied warranty.

+ *

+ * OREST ZBOROWSKI AND DAVID DAWES DISCLAIMS ALL WARRANTIES WITH REGARD 

+ * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND 

+ * FITNESS, IN NO EVENT SHALL OREST ZBOROWSKI OR 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.

+ *

+ */

+

+/*

+ * Copyright 2001-2003 Red Hat Inc., Durham, North Carolina.

+ *

+ * All Rights Reserved.

+ *

+ * 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 on 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 (including the

+ * next paragraph) 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

+ * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS

+ * 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.

+ */

+

+/*

+ * Authors:

+ *   Rickard E. (Rik) Faith <faith@redhat.com>

+ *

+ */

+

+/** \file

+ *

+ * This code implements a low-level device driver for the Linux

+ * keyboard.  The code is derived from code by Thomas Roell, Orest

+ * Zborowski, and David Dawes (see the source code for complete

+ * references). */

+

+#ifdef HAVE_DMX_CONFIG_H

+#include <dmx-config.h>

+#endif

+

+/*****************************************************************************/

+/* Define some macros to make it easier to move this file to another

+ * part of the Xserver tree.  All calls to the dmx* layer are #defined

+ * here for the .c file.  The .h file will also have to be edited. */

+#include "dmxinputinit.h"

+#include "lnx-keyboard.h"

+

+#define GETPRIV       myPrivate *priv                            \

+                      = ((DMXLocalInputInfoPtr)(pDev->devicePrivate))->private

+

+#define LOG0(f)       dmxLog(dmxDebug,f)

+#define LOG1(f,a)     dmxLog(dmxDebug,f,a)

+#define LOG2(f,a,b)   dmxLog(dmxDebug,f,a,b)

+#define LOG3(f,a,b,c) dmxLog(dmxDebug,f,a,b,c)

+#define FATAL0(f)     dmxLog(dmxFatal,f)

+#define FATAL1(f,a)   dmxLog(dmxFatal,f,a)

+#define FATAL2(f,a,b) dmxLog(dmxFatal,f,a,b)

+#define MOTIONPROC    dmxMotionProcPtr

+#define ENQUEUEPROC   dmxEnqueueProcPtr

+#define CHECKPROC     dmxCheckSpecialProcPtr

+#define SWITCHRETPROC dmxVTSwitchReturnProcPtr

+#define BLOCK         DMXBlockType

+#define MESSAGE       "\033c\n\n\nDMX taking input from this console..."

+#define FINALMESSAGE  "\033cDMX terminated."

+

+/* End of interface definitions. */

+/*****************************************************************************/

+

+#include "inputstr.h"

+#include <X11/Xos.h>

+#include <sys/ioctl.h>

+#include <errno.h>

+#include <signal.h>

+#include <sys/vt.h>

+#include <sys/kd.h>

+#include <termios.h>

+#include "atKeynames.h"

+#if 00

+#include "xf86Keymap.h"

+#endif

+#include <linux/keyboard.h>

+#include <xkbsrv.h>

+

+#define NUM_AT2LNX (sizeof(at2lnx) / sizeof(at2lnx[0]))

+#define NUM_STATE_ENTRIES (256/32)

+

+

+/* Private area for Linux-style keyboards. */

+typedef struct _myPrivate {

+    int            fd;

+    int            vtno;

+    int            vtcurrent;

+    int            kbdtrans;

+    struct termios kbdtty;

+    int            kbdType;

+    CARD32         kbdState[NUM_STATE_ENTRIES];

+    DeviceIntPtr   pKeyboard;

+    unsigned char  prefix;

+

+    int            switched;

+    SWITCHRETPROC  switch_return;

+    void           *switch_return_data;

+

+                                /* For bell */

+    int            pitch;

+    unsigned long  duration;

+} myPrivate;

+

+static myPrivate *PRIV = NULL;

+

+#undef SYSCALL

+#define SYSCALL(call) while(((call) == -1) && (errno == EINTR))

+

+static int kbdLinuxKeyDown(myPrivate *priv, int keyCode)

+{

+    CARD8  byte = keyCode >> 5;

+    CARD32 bit  = 1 << (keyCode & 0x1f);

+

+    if (byte > NUM_STATE_ENTRIES) return 0;

+    return priv->kbdState[byte] & bit;

+}

+

+static void kbdLinuxKeyState(myPrivate *priv, int type, int keyCode)

+{

+    CARD8  byte = keyCode >> 5;

+    CARD32 bit  = 1 << (keyCode & 0x1f);

+

+    if (byte > NUM_STATE_ENTRIES) return;

+    if (type == KeyPress) priv->kbdState[byte] |= bit;

+    else                  priv->kbdState[byte] &= ~bit;

+}

+

+static KeySym linux_to_x[256] = {

+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,

+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,

+	XK_BackSpace,	XK_Tab,		XK_Linefeed,	NoSymbol,

+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,

+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,

+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,

+	NoSymbol,	NoSymbol,	NoSymbol,	XK_Escape,

+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,

+	XK_space,	XK_exclam,	XK_quotedbl,	XK_numbersign,

+	XK_dollar,	XK_percent,	XK_ampersand,	XK_apostrophe,

+	XK_parenleft,	XK_parenright,	XK_asterisk,	XK_plus,

+	XK_comma,	XK_minus,	XK_period,	XK_slash,

+	XK_0,		XK_1,		XK_2,		XK_3,

+	XK_4,		XK_5,		XK_6,		XK_7,

+	XK_8,		XK_9,		XK_colon,	XK_semicolon,

+	XK_less,	XK_equal,	XK_greater,	XK_question,

+	XK_at,		XK_A,		XK_B,		XK_C,

+	XK_D,		XK_E,		XK_F,		XK_G,

+	XK_H,		XK_I,		XK_J,		XK_K,

+	XK_L,		XK_M,		XK_N,		XK_O,

+	XK_P,		XK_Q,		XK_R,		XK_S,

+	XK_T,		XK_U,		XK_V,		XK_W,

+	XK_X,		XK_Y,		XK_Z,		XK_bracketleft,

+	XK_backslash,	XK_bracketright,XK_asciicircum,	XK_underscore,

+	XK_grave,	XK_a,		XK_b,		XK_c,

+	XK_d,		XK_e,		XK_f,		XK_g,

+	XK_h,		XK_i,		XK_j,		XK_k,

+	XK_l,		XK_m,		XK_n,		XK_o,

+	XK_p,		XK_q,		XK_r,		XK_s,

+	XK_t,		XK_u,		XK_v,		XK_w,

+	XK_x,		XK_y,		XK_z,		XK_braceleft,

+	XK_bar,		XK_braceright,	XK_asciitilde,	XK_BackSpace,

+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,

+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,

+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,

+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,

+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,

+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,

+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,

+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,

+	XK_nobreakspace,XK_exclamdown,	XK_cent,	XK_sterling,

+	XK_currency,	XK_yen,		XK_brokenbar,	XK_section,

+	XK_diaeresis,	XK_copyright,	XK_ordfeminine,	XK_guillemotleft,

+	XK_notsign,	XK_hyphen,	XK_registered,	XK_macron,

+	XK_degree,	XK_plusminus,	XK_twosuperior,	XK_threesuperior,

+	XK_acute,	XK_mu,		XK_paragraph,	XK_periodcentered,

+	XK_cedilla,	XK_onesuperior,	XK_masculine,	XK_guillemotright,

+	XK_onequarter,	XK_onehalf,	XK_threequarters,XK_questiondown,

+	XK_Agrave,	XK_Aacute,	XK_Acircumflex,	XK_Atilde,

+	XK_Adiaeresis,	XK_Aring,	XK_AE,		XK_Ccedilla,

+	XK_Egrave,	XK_Eacute,	XK_Ecircumflex,	XK_Ediaeresis,

+	XK_Igrave,	XK_Iacute,	XK_Icircumflex,	XK_Idiaeresis,

+	XK_ETH,		XK_Ntilde,	XK_Ograve,	XK_Oacute,

+	XK_Ocircumflex,	XK_Otilde,	XK_Odiaeresis,	XK_multiply,

+	XK_Ooblique,	XK_Ugrave,	XK_Uacute,	XK_Ucircumflex,

+	XK_Udiaeresis,	XK_Yacute,	XK_THORN,	XK_ssharp,

+	XK_agrave,	XK_aacute,	XK_acircumflex,	XK_atilde,

+	XK_adiaeresis,	XK_aring,	XK_ae,		XK_ccedilla,

+	XK_egrave,	XK_eacute,	XK_ecircumflex,	XK_ediaeresis,

+	XK_igrave,	XK_iacute,	XK_icircumflex,	XK_idiaeresis,

+	XK_eth,		XK_ntilde,	XK_ograve,	XK_oacute,

+	XK_ocircumflex,	XK_otilde,	XK_odiaeresis,	XK_division,

+	XK_oslash,	XK_ugrave,	XK_uacute,	XK_ucircumflex,

+	XK_udiaeresis,	XK_yacute,	XK_thorn,	XK_ydiaeresis

+};

+

+/*

+ * Maps the AT keycodes to Linux keycodes

+ */

+static unsigned char at2lnx[NUM_KEYCODES] =

+{

+	0x01,	/* KEY_Escape */	0x02,	/* KEY_1 */

+	0x03,	/* KEY_2 */		0x04,	/* KEY_3 */

+	0x05,	/* KEY_4 */		0x06,	/* KEY_5 */

+	0x07,	/* KEY_6 */		0x08,	/* KEY_7 */

+	0x09,	/* KEY_8 */		0x0a,	/* KEY_9 */

+	0x0b,	/* KEY_0 */		0x0c,	/* KEY_Minus */

+	0x0d,	/* KEY_Equal */		0x0e,	/* KEY_BackSpace */

+	0x0f,	/* KEY_Tab */		0x10,	/* KEY_Q */

+	0x11,	/* KEY_W */		0x12,	/* KEY_E */

+	0x13,	/* KEY_R */		0x14,	/* KEY_T */

+	0x15,	/* KEY_Y */		0x16,	/* KEY_U */

+	0x17,	/* KEY_I */		0x18,	/* KEY_O */

+	0x19,	/* KEY_P */		0x1a,	/* KEY_LBrace */

+	0x1b,	/* KEY_RBrace */	0x1c,	/* KEY_Enter */

+	0x1d,	/* KEY_LCtrl */		0x1e,	/* KEY_A */

+	0x1f,	/* KEY_S */		0x20,	/* KEY_D */

+	0x21,	/* KEY_F */		0x22,	/* KEY_G */

+	0x23,	/* KEY_H */		0x24,	/* KEY_J */

+	0x25,	/* KEY_K */		0x26,	/* KEY_L */

+	0x27,	/* KEY_SemiColon */	0x28,	/* KEY_Quote */

+	0x29,	/* KEY_Tilde */		0x2a,	/* KEY_ShiftL */

+	0x2b,	/* KEY_BSlash */	0x2c,	/* KEY_Z */

+	0x2d,	/* KEY_X */		0x2e,	/* KEY_C */

+	0x2f,	/* KEY_V */		0x30,	/* KEY_B */

+	0x31,	/* KEY_N */		0x32,	/* KEY_M */

+	0x33,	/* KEY_Comma */		0x34,	/* KEY_Period */

+	0x35,	/* KEY_Slash */		0x36,	/* KEY_ShiftR */

+	0x37,	/* KEY_KP_Multiply */	0x38,	/* KEY_Alt */

+	0x39,	/* KEY_Space */		0x3a,	/* KEY_CapsLock */

+	0x3b,	/* KEY_F1 */		0x3c,	/* KEY_F2 */

+	0x3d,	/* KEY_F3 */		0x3e,	/* KEY_F4 */

+	0x3f,	/* KEY_F5 */		0x40,	/* KEY_F6 */

+	0x41,	/* KEY_F7 */		0x42,	/* KEY_F8 */

+	0x43,	/* KEY_F9 */		0x44,	/* KEY_F10 */

+	0x45,	/* KEY_NumLock */	0x46,	/* KEY_ScrollLock */

+	0x47,	/* KEY_KP_7 */		0x48,	/* KEY_KP_8 */

+	0x49,	/* KEY_KP_9 */		0x4a,	/* KEY_KP_Minus */

+	0x4b,	/* KEY_KP_4 */		0x4c,	/* KEY_KP_5 */

+	0x4d,	/* KEY_KP_6 */		0x4e,	/* KEY_KP_Plus */

+	0x4f,	/* KEY_KP_1 */		0x50,	/* KEY_KP_2 */

+	0x51,	/* KEY_KP_3 */		0x52,	/* KEY_KP_0 */

+	0x53,	/* KEY_KP_Decimal */	0x54,	/* KEY_SysReqest */

+	0x00,	/* 0x55 */		0x56,	/* KEY_Less */

+	0x57,	/* KEY_F11 */		0x58,	/* KEY_F12 */

+	0x66,	/* KEY_Home */		0x67,	/* KEY_Up */

+	0x68,	/* KEY_PgUp */		0x69,	/* KEY_Left */

+	0x5d,	/* KEY_Begin */		0x6a,	/* KEY_Right */

+	0x6b,	/* KEY_End */		0x6c,	/* KEY_Down */

+	0x6d,	/* KEY_PgDown */	0x6e,	/* KEY_Insert */

+	0x6f,	/* KEY_Delete */	0x60,	/* KEY_KP_Enter */

+	0x61,	/* KEY_RCtrl */		0x77,	/* KEY_Pause */

+	0x63,	/* KEY_Print */		0x62,	/* KEY_KP_Divide */

+	0x64,	/* KEY_AltLang */	0x65,	/* KEY_Break */

+	0x00,	/* KEY_LMeta */		0x00,	/* KEY_RMeta */

+	0x7A,	/* KEY_Menu/FOCUS_PF11*/0x00,	/* 0x6e */

+	0x7B,	/* FOCUS_PF12 */	0x00,	/* 0x70 */

+	0x00,	/* 0x71 */		0x00,	/* 0x72 */

+	0x59,	/* FOCUS_PF2 */		0x78,	/* FOCUS_PF9 */

+	0x00,	/* 0x75 */		0x00,	/* 0x76 */

+	0x5A,	/* FOCUS_PF3 */		0x5B,	/* FOCUS_PF4 */

+	0x5C,	/* FOCUS_PF5 */		0x5D,	/* FOCUS_PF6 */

+	0x5E,	/* FOCUS_PF7 */		0x5F,	/* FOCUS_PF8 */

+	0x7C,	/* JAP_86 */		0x79,	/* FOCUS_PF10 */

+	0x00,	/* 0x7f */

+};

+

+/** Create a private structure for use within this file. */

+pointer kbdLinuxCreatePrivate(DeviceIntPtr pKeyboard)

+{

+    myPrivate *priv = calloc(1, sizeof(*priv));

+    priv->fd        = -1;

+    priv->pKeyboard = pKeyboard;

+    return priv;

+}

+

+/** Destroy a private structure. */

+void kbdLinuxDestroyPrivate(pointer priv)

+{

+    if (priv) free(priv);

+}

+

+/** Ring the bell.

+ *

+ * Note: we completely ignore the \a volume, since Linux's ioctl()

+ * interface does not provide a way to control it.  If it did, the XBell

+ * manpage tells how the actual volume is a function of the percent and

+ * the (base) volume.

+ *

+ * Note that most of the other PC-based bell drivers compute the

+ * duration for KDMKTONE as a function of the volume and the duration.

+ * For some drivers, the duration is only measured in mS if the volume

+ * is 50, and is scaled by the volume for other values.  This seems

+ * confusing and possibly incorrect (the xset man page says that the

+ * bell will be "as closely as it can to the user's specifications" --

+ * if we ignore the volume and set the duration correctly, then we'll

+ * get one parameter "wrong" -- but if we use the volume to scale the

+ * duration, then we'll get both parameters "wrong"). */

+void kbdLinuxBell(DevicePtr pDev, int percent,

+                  int volume, int pitch, int duration)

+{

+    GETPRIV;

+

+    if (duration && pitch) {

+        ioctl(priv->fd,

+              KDMKTONE,

+              ((1193190 / pitch) & 0xffff) /* Low bits specify cycle time */

+              | (duration << 16)); /* High bits are duration in msec */

+    }

+}

+

+/** Set the LEDs. */

+void kbdLinuxCtrl(DevicePtr pDev, KeybdCtrl *ctrl)

+{

+    GETPRIV;

+

+    ioctl(priv->fd, KDSETLED, ctrl->leds & 0x07);

+}

+

+static int kbdLinuxGetFreeVTNumber(void)

+{

+    int        fd = -1;

+    int        vtno;

+    int        i;

+    const char *tty0[] = { "/dev/tty0", "/dev/vc/0", NULL };

+    

+    for (i = 0; tty0[i]; i++)

+        if ((fd = open(tty0[i], O_WRONLY, 0)) >= 0) break;

+    if (fd < 0)

+        FATAL1("kbdLinuxGetFreeVTNumber: Cannot open tty0 (%s)\n",

+               strerror(errno));

+    if (ioctl(fd, VT_OPENQRY, &vtno) < 0 || vtno < 0)

+        FATAL0("kbdLinuxGetFreeVTNumber: Cannot find a free VT\n");

+    return vtno;

+}

+

+static int kbdLinuxOpenVT(int vtno)

+{

+    int        fd = -1;

+    int        i;

+    const char *vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL };

+    char       name[64];        /* RATS: Only used in XmuSnprintf */

+

+    for (i = 0; vcs[i]; i++) {

+        XmuSnprintf(name, sizeof(name), vcs[i], vtno);

+        if ((fd = open(name, O_RDWR | O_NONBLOCK, 0)) >= 0) break;

+    }

+    if (fd < 0)

+        FATAL2("kbdLinuxOpenVT: Cannot open VT %d (%s)\n",

+               vtno, strerror(errno));

+    return fd;

+}

+

+static int kbdLinuxGetCurrentVTNumber(int fd)

+{

+    struct vt_stat vts;

+    

+    if (!ioctl(fd, VT_GETSTATE, &vts)) return vts.v_active;

+    return -1;

+}

+

+static int kbdLinuxActivate(int fd, int vtno, int setSig);

+

+/** Currently unused hook called prior to an VT switch. */

+void kbdLinuxVTPreSwitch(pointer p)

+{

+}

+

+/** Currently unused hook called after returning from a VT switch. */

+void kbdLinuxVTPostSwitch(pointer p)

+{

+}

+

+/** Tell the operating system to switch to \a vt.  The \a switch_return

+ * function is called with the \a switch_return_data when the VT is

+ * switched back to the pre-switch VT (i.e., the user returns to the DMX

+ * session). */

+int kbdLinuxVTSwitch(pointer p, int vt,

+                     void (*switch_return)(pointer),

+                     pointer switch_return_data)

+{

+    myPrivate *priv = p;

+

+    if (priv->switched) FATAL0("kbdLinuxVTSwitch: already switched...\n");

+    if (priv->vtno == vt) return 0;

+

+    PRIV                     = priv;

+    priv->switched           = 0; /* Will switch to 1 in handler */

+    priv->switch_return      = switch_return;

+    priv->switch_return_data = switch_return_data;

+    kbdLinuxActivate(priv->fd, vt, 0);

+    return 1;

+}

+

+/* RATS: This function is only ever used to handle SIGUSR1. */

+static void kbdLinuxVTSignalHandler(int sig)

+{

+    myPrivate *priv = PRIV;

+    

+    signal(sig, kbdLinuxVTSignalHandler);

+    if (priv) {

+        ioctl(priv->fd, VT_RELDISP, VT_ACKACQ);

+        priv->switched = !priv->switched;

+        LOG2("kbdLinuxVTSignalHandler: got signal %d, switched = %d\n",

+             sig, priv->switched);

+        if (!priv->switched && priv->switch_return)

+            priv->switch_return(priv->switch_return_data);

+    }

+}

+

+static int kbdLinuxActivate(int fd, int vtno, int setSig)

+{

+    int            result;

+    struct vt_mode VT;

+

+    SYSCALL(result = ioctl(fd, VT_ACTIVATE, vtno));

+    if (result) FATAL0("kbdLinuxActivate: VT_ACTIVATE failed\n");

+    SYSCALL(result = ioctl(fd, VT_WAITACTIVE, vtno));

+    if (result) FATAL0("kbdLinuxActivate: VT_WAITACTIVE failed\n");

+    if (setSig) {

+        SYSCALL(result = ioctl(fd, VT_GETMODE, &VT));

+        if (result < 0) FATAL0("kbdLinuxActivate: VT_GETMODE failed\n");

+        VT.mode   = VT_PROCESS;

+        VT.relsig = SIGUSR1;

+        VT.acqsig = SIGUSR1;

+        if (ioctl(fd, VT_SETMODE, &VT))

+            FATAL0("kbdLinuxActivate: VT_SETMODE VT_PROCESS failed\n");

+        signal(SIGUSR1, kbdLinuxVTSignalHandler);

+    }

+    return Success;

+}

+

+static void kbdLinuxOpenConsole(DevicePtr pDev)

+{

+    GETPRIV;

+    const char *msg = MESSAGE;

+

+    if (priv->fd >= 0) return;

+    priv->vtno      = kbdLinuxGetFreeVTNumber();

+    priv->fd        = kbdLinuxOpenVT(priv->vtno);

+    priv->vtcurrent = kbdLinuxGetCurrentVTNumber(priv->fd);

+    LOG2("kbdLinuxOpenConsole: current VT %d; using free VT %d\n",

+         priv->vtcurrent, priv->vtno);

+    kbdLinuxActivate(priv->fd, priv->vtno, 1);

+    ioctl(priv->fd, KDSETMODE, KD_GRAPHICS); /* To turn off gpm */

+    if (msg) write(priv->fd, msg, strlen(msg));

+}

+

+static void kbdLinuxCloseConsole(DevicePtr pDev)

+{

+    GETPRIV;

+    struct vt_mode VT;

+    const char     *msg = FINALMESSAGE;

+

+    if (priv->fd < 0) return;

+

+    ioctl(priv->fd, KDSETMODE, KD_TEXT);

+    if (msg) write(priv->fd, msg, strlen(msg));

+    if (ioctl(priv->fd, VT_GETMODE, &VT) != -1) {

+        VT.mode = VT_AUTO;

+        ioctl(priv->fd, VT_SETMODE, &VT);

+    }

+

+    LOG1("kbdLinuxCloseConsole: switching to VT %d\n", priv->vtcurrent);

+    if (priv->vtcurrent >= 0) kbdLinuxActivate(priv->fd, priv->vtcurrent, 0);

+    

+    close(priv->fd);

+    priv->fd = -1;

+}

+

+/** Initialize the \a pDev as a Linux keyboard. */

+void kbdLinuxInit(DevicePtr pDev)

+{

+    GETPRIV;

+

+    if (priv->fd <= 0) kbdLinuxOpenConsole(pDev);

+    

+    ioctl(priv->fd, KDGKBMODE, &priv->kbdtrans);

+    if (tcgetattr(priv->fd, &priv->kbdtty) < 0)

+        FATAL1("kbdLinuxInit: tcgetattr failed (%s)\n", strerror(errno));

+}

+

+static int kbdLinuxPrefix0Mapping(unsigned char *scanCode)

+{

+                                /* Table from xfree86/common/xf86Events.c */

+    switch (*scanCode) {

+    case KEY_KP_7:        *scanCode = KEY_Home;      break; /* curs home */

+    case KEY_KP_8:        *scanCode = KEY_Up;        break; /* curs up */

+    case KEY_KP_9:        *scanCode = KEY_PgUp;      break; /* curs pgup */

+    case KEY_KP_4:        *scanCode = KEY_Left;      break; /* curs left */

+    case KEY_KP_5:        *scanCode = KEY_Begin;     break; /* curs begin */

+    case KEY_KP_6:        *scanCode = KEY_Right;     break; /* curs right */

+    case KEY_KP_1:        *scanCode = KEY_End;       break; /* curs end */

+    case KEY_KP_2:        *scanCode = KEY_Down;      break; /* curs down */

+    case KEY_KP_3:        *scanCode = KEY_PgDown;    break; /* curs pgdown */

+    case KEY_KP_0:        *scanCode = KEY_Insert;    break; /* curs insert */

+    case KEY_KP_Decimal:  *scanCode = KEY_Delete;    break; /* curs delete */

+    case KEY_Enter:       *scanCode = KEY_KP_Enter;  break; /* keypad enter */

+    case KEY_LCtrl:       *scanCode = KEY_RCtrl;     break; /* right ctrl */

+    case KEY_KP_Multiply: *scanCode = KEY_Print;     break; /* print */

+    case KEY_Slash:       *scanCode = KEY_KP_Divide; break; /* keyp divide */

+    case KEY_Alt:         *scanCode = KEY_AltLang;   break; /* right alt */

+    case KEY_ScrollLock:  *scanCode = KEY_Break;     break; /* curs break */

+    case 0x5b:            *scanCode = KEY_LMeta;     break;

+    case 0x5c:            *scanCode = KEY_RMeta;     break;

+    case 0x5d:            *scanCode = KEY_Menu;      break;

+    case KEY_F3:          *scanCode = KEY_F13;       break;

+    case KEY_F4:          *scanCode = KEY_F14;       break;

+    case KEY_F5:          *scanCode = KEY_F15;       break;

+    case KEY_F6:          *scanCode = KEY_F16;       break;

+    case KEY_F7:          *scanCode = KEY_F17;       break;

+    case KEY_KP_Plus:     *scanCode = KEY_KP_DEC;    break;

+        /*

+         * Ignore virtual shifts (E0 2A, E0 AA, E0 36, E0 B6)

+         */

+    case 0x2A:

+    case 0x36:

+        return 1;

+    default:

+        /*

+         * "Internet" keyboards are generating lots of new codes.

+         * Let them pass.  There is little consistency between them,

+         * so don't bother with symbolic names at this level.

+         */

+        scanCode += 0x78;

+    }

+    return 0;

+}

+

+static int kbdLinuxPrefixMapping(myPrivate *priv, unsigned char *scanCode)

+{

+    int           pressed = *scanCode & 0x80;

+    unsigned char code    = *scanCode & 0x7f;

+

+                                /* If we don't have a prefix, check for one */

+    if (!priv->prefix) {

+        switch (code) {

+        case KEY_Prefix0:

+        case KEY_Prefix1:

+            priv->prefix = code;

+            return 1;

+        }

+        return 0;               /* No change */

+    }

+

+                                /* We have a prefix from the last scanCode */

+    switch (priv->prefix) {

+    case KEY_Prefix0:

+        priv->prefix = 0;

+        if (kbdLinuxPrefix0Mapping(&code)) return 1; /* Skip sequence */

+        break;

+    case KEY_Prefix1:

+        priv->prefix = (code = KEY_LCtrl) ? KEY_LCtrl : 0;

+        return 1;                                       /* Use new prefix */

+    case KEY_LCtrl:

+        priv->prefix = 0;

+        if (code != KEY_NumLock) return 1;              /* Skip sequence*/

+        code = KEY_Pause;

+        break;

+    }

+

+    *scanCode = code | (pressed ? 0x80 : 0x00);

+    return 0;                                           /* Use old scanCode */

+}

+

+static void kbdLinuxConvert(DevicePtr pDev,

+                            unsigned char scanCode,

+                            ENQUEUEPROC enqueue,

+                            CHECKPROC checkspecial,

+                            BLOCK block)

+{

+    GETPRIV;

+    XkbSrvInfoPtr  xkbi = priv->pKeyboard->key->xkbInfo;

+    int            type;

+    KeySym         keySym   = NoSymbol;

+    int            keyCode;

+    int            switching;

+

+    /* Do special PC/AT prefix mapping -- may change scanCode! */

+    if (kbdLinuxPrefixMapping(priv, &scanCode)) return;

+

+    type    = (scanCode & 0x80) ? KeyRelease : KeyPress;

+    keyCode = (scanCode & 0x7f) + MIN_KEYCODE;

+

+    /* Handle repeats */

+

+    if (keyCode >= xkbi->desc->min_key_code &&

+        keyCode <= xkbi->desc->max_key_code) {

+

+        int effectiveGroup = XkbGetEffectiveGroup(xkbi,

+                                                  &xkbi->state,

+                                                  scanCode);

+        keySym = XkbKeySym(xkbi->desc, scanCode, effectiveGroup);

+#if 0

+        switch (keySym) {

+        case XK_Num_Lock:

+        case XK_Scroll_Lock:

+        case XK_Shift_Lock:

+        case XK_Caps_Lock:

+            /* Ignore releases and all but first press */

+            if (kbdLinuxModIgnore(priv, &xE, keySym)) return;

+            if (kbdLinuxKeyDown(priv, &xE)) xE.u.u.type = KeyRelease;

+            else                            xE.u.u.type = KeyPress;

+            break;

+        }

+#endif

+

+        /* If key is already down, ignore or autorepeat */

+        if (type == KeyPress && kbdLinuxKeyDown(priv, keyCode)) {

+            KbdFeedbackClassRec *feed = priv->pKeyboard->kbdfeed;

+

+            /* No auto-repeat? */

+            if ((feed && !feed->ctrl.autoRepeat)

+                || priv->pKeyboard->key->xkbInfo->desc->map->modmap[keyCode]

+                || (feed

+                    && !(feed->ctrl.autoRepeats[keyCode >> 3]

+                         & (1 << (keyCode & 7))))) return; /* Ignore */

+            

+            /* Do auto-repeat */

+            enqueue(pDev, KeyRelease, keyCode, keySym, NULL, block);

+            type = KeyPress;

+        }

+        

+        /* If key is already up, ignore */

+        if (type == KeyRelease && !kbdLinuxKeyDown(priv, keyCode)) return;

+    }

+

+    switching = 0;

+    if (checkspecial && type == KeyPress)

+        switching = checkspecial(pDev, keySym);

+    if (!switching) {

+        if (enqueue)

+            enqueue(pDev, type, keyCode, keySym, NULL, block);

+        kbdLinuxKeyState(priv, type, keyCode); /* Update our state bitmap */

+    }

+}

+

+/** Read an event from the \a pDev device.  If the event is a motion

+ * event, enqueue it with the \a motion function.  Otherwise, check for

+ * special keys with the \a checkspecial function and enqueue the event

+ * with the \a enqueue function.  The \a block type is passed to the

+ * functions so that they may block SIGIO handling as appropriate to the

+ * caller of this function. */

+void kbdLinuxRead(DevicePtr pDev,

+                  MOTIONPROC motion,

+                  ENQUEUEPROC enqueue,

+                  CHECKPROC checkspecial,

+                  BLOCK block)

+{

+    GETPRIV;

+    unsigned char buf[256];     /* RATS: Only used in length-limited call */

+    unsigned char *pt;

+    int           n;

+

+    while ((n = read(priv->fd, buf, sizeof(buf))) > 0)

+        for (pt = buf; n; --n, ++pt)

+            kbdLinuxConvert(pDev, *pt, enqueue, checkspecial, block);

+}

+

+/** Turn \a pDev on (i.e., take input from \a pDev). */

+int kbdLinuxOn(DevicePtr pDev)

+{

+    GETPRIV;

+    struct termios nTty;

+

+    ioctl(priv->fd, KDSKBMODE, K_RAW);

+

+    nTty             = priv->kbdtty;

+    nTty.c_iflag     = (IGNPAR | IGNBRK) & (~PARMRK) & (~ISTRIP);

+    nTty.c_oflag     = 0;

+    nTty.c_cflag     = CREAD | CS8;

+    nTty.c_lflag     = 0;

+    nTty.c_cc[VTIME] = 0;

+    nTty.c_cc[VMIN]  = 1;

+    cfsetispeed(&nTty, B9600);

+    cfsetospeed(&nTty, B9600);

+    if (tcsetattr(priv->fd, TCSANOW, &nTty) < 0)

+        FATAL1("kbdLinuxOn: tcsetattr failed (%s)\n", strerror(errno));

+    return priv->fd;

+}

+

+/** Turn \a pDev off (i.e., stop taking input from \a pDev). */

+void kbdLinuxOff(DevicePtr pDev)

+{

+    GETPRIV;

+

+    ioctl(priv->fd, KDSKBMODE, priv->kbdtrans);

+    tcsetattr(priv->fd, TCSANOW, &priv->kbdtty);

+    kbdLinuxCloseConsole(pDev);

+}

+

+

+static void kbdLinuxReadKernelMapping(int fd, KeySymsPtr pKeySyms)

+{

+    KeySym        *k;

+    int           i;

+    int           maxkey;

+    static unsigned char tbl[GLYPHS_PER_KEY] = { /* RATS: Use ok */

+        0,	/* unshifted */

+        1,	/* shifted */

+        0,	/* modeswitch unshifted */

+        0	/* modeswitch shifted */

+    };

+

+  /*

+   * Read the mapping from the kernel.

+   * Since we're still using the XFree86 scancode->AT keycode mapping

+   * routines, we need to convert the AT keycodes to Linux keycodes,

+   * then translate the Linux keysyms into X keysyms.

+   *

+   * First, figure out which tables to use for the modeswitch columns

+   * above, from the XF86Config fields.

+   */

+  tbl[2] = 8;	/* alt */

+  tbl[3] = tbl[2] | 1;

+

+#if 00/*BP*/

+  k = map+GLYPHS_PER_KEY;

+#else

+  ErrorF("kbdLinuxReadKernelMapping() is broken/no-op'd\n");

+  return;

+#endif

+  maxkey = NUM_AT2LNX;

+

+  for (i = 0; i < maxkey; ++i) {

+      struct kbentry kbe;

+      int j;

+

+      kbe.kb_index = at2lnx[i];

+

+      for (j = 0; j < GLYPHS_PER_KEY; ++j, ++k) {

+          unsigned short kval;

+

+          *k = NoSymbol;

+

+          kbe.kb_table = tbl[j];

+          if (kbe.kb_index == 0 || ioctl(fd, KDGKBENT, &kbe)) continue;

+

+          kval = KVAL(kbe.kb_value);

+          switch (KTYP(kbe.kb_value)) {

+          case KT_LATIN:

+          case KT_LETTER: *k = linux_to_x[kval]; break;

+          case KT_FN:

+              if (kval <= 19) *k = XK_F1 + kval;

+              else switch (kbe.kb_value) {

+              case K_FIND:       *k = XK_Home; /* or XK_Find */      break;

+              case K_INSERT:     *k = XK_Insert;                     break;

+              case K_REMOVE:     *k = XK_Delete;                     break;

+              case K_SELECT:     *k = XK_End; /* or XK_Select */     break;

+              case K_PGUP:       *k = XK_Prior;                      break;

+              case K_PGDN:       *k = XK_Next;                       break;

+              case K_HELP:       *k = XK_Help;                       break;

+              case K_DO:         *k = XK_Execute;                    break;

+              case K_PAUSE:      *k = XK_Pause;                      break;

+              case K_MACRO:      *k = XK_Menu;                       break;

+              default:                                               break;

+              }

+              break;

+          case KT_SPEC:

+              switch (kbe.kb_value) {

+              case K_ENTER:      *k = XK_Return;                     break;

+              case K_BREAK:      *k = XK_Break;                      break;

+              case K_CAPS:       *k = XK_Caps_Lock;                  break;

+              case K_NUM:        *k = XK_Num_Lock;                   break;

+              case K_HOLD:       *k = XK_Scroll_Lock;                break;

+              case K_COMPOSE:    *k = XK_Multi_key;                  break;

+              default:                                               break;

+              }

+              break;

+          case KT_PAD:

+              switch (kbe.kb_value) {

+              case K_PPLUS:      *k = XK_KP_Add;                     break;

+              case K_PMINUS:     *k = XK_KP_Subtract;                break;

+              case K_PSTAR:      *k = XK_KP_Multiply;                break;

+              case K_PSLASH:     *k = XK_KP_Divide;                  break;

+              case K_PENTER:     *k = XK_KP_Enter;                   break;

+              case K_PCOMMA:     *k = XK_KP_Separator;               break;

+              case K_PDOT:       *k = XK_KP_Decimal;                 break;

+              case K_PPLUSMINUS: *k = XK_KP_Subtract;                break;

+              default:           if (kval <= 9) *k = XK_KP_0 + kval; break;

+              }

+              break;

+          case KT_DEAD:

+              /* KT_DEAD keys are for accelerated diacritical creation. */

+              switch (kbe.kb_value) {

+              case K_DGRAVE:     *k = XK_dead_grave;                 break;

+              case K_DACUTE:     *k = XK_dead_acute;                 break;

+              case K_DCIRCM:     *k = XK_dead_circumflex;            break;

+              case K_DTILDE:     *k = XK_dead_tilde;                 break;

+              case K_DDIERE:     *k = XK_dead_diaeresis;             break;

+              }

+              break;

+          case KT_CUR:

+              switch (kbe.kb_value) {

+              case K_DOWN:       *k = XK_Down;                       break;

+              case K_LEFT:       *k = XK_Left;                       break;

+              case K_RIGHT:      *k = XK_Right;                      break;

+              case K_UP:         *k = XK_Up;                         break;

+              }

+              break;

+          case KT_SHIFT:

+              switch (kbe.kb_value) {

+              case K_ALTGR:      *k = XK_Alt_R;                       break;

+              case K_ALT:

+                  *k = (kbe.kb_index == 0x64 ? XK_Alt_R : XK_Alt_L);

+                  break;

+              case K_CTRL:

+                  *k = (kbe.kb_index == 0x61 ? XK_Control_R : XK_Control_L);

+                  break;

+              case K_CTRLL:      *k = XK_Control_L;                   break;

+              case K_CTRLR:      *k = XK_Control_R;                   break;

+              case K_SHIFT:

+                  *k = (kbe.kb_index == 0x36 ? XK_Shift_R : XK_Shift_L);

+                  break;

+              case K_SHIFTL:     *k = XK_Shift_L;                     break;

+              case K_SHIFTR:     *k = XK_Shift_R;                     break;

+              default:                                                break;

+              }

+              break;

+          case KT_ASCII:

+              /* KT_ASCII keys accumulate a 3 digit decimal number that

+               * gets emitted when the shift state changes. We can't

+               * emulate that.

+               */

+              break;

+          case KT_LOCK:

+              if (kbe.kb_value == K_SHIFTLOCK) *k = XK_Shift_Lock;

+              break;

+          default:                                                    break;

+          }

+      }

+      

+      if (k[-1] == k[-2])                   k[-1] = NoSymbol;

+      if (k[-2] == k[-3])                   k[-2] = NoSymbol;

+      if (k[-3] == k[-4])                   k[-3] = NoSymbol;

+      if (k[-4] == k[-2] && k[-3] == k[-1]) k[-2] = k[-1] = NoSymbol;

+      if (k[-1] == k[-4] && k[-2] == k[-3]

+          && k[-2] == NoSymbol)             k[-1] = NoSymbol;

+  }

+}

+

+static void kbdLinuxGetMap(DevicePtr pDev, KeySymsPtr pKeySyms, CARD8 *pModMap)

+{

+    GETPRIV;

+    KeySym        *k, *mapCopy;

+    char          type;

+    int           i;

+

+#if 00/*BP*/

+    mapCopy = malloc(sizeof(map));

+    memcpy(mapCopy, map, sizeof(map));

+#else

+    ErrorF("kbdLinuxGetMap() is broken/no-op'd\n");

+    return;

+#endif

+

+    kbdLinuxReadKernelMapping(priv->fd, pKeySyms);

+

+    /* compute the modifier map */

+    for (i = 0; i < MAP_LENGTH; i++)

+        pModMap[i] = NoSymbol;  /* make sure it is restored */

+  

+    for (k = mapCopy, i = MIN_KEYCODE;

+         i < NUM_KEYCODES + MIN_KEYCODE;

+         i++, k += 4) {

+        switch(*k) {

+        case XK_Shift_L:

+        case XK_Shift_R:     pModMap[i] = ShiftMask;      break;

+        case XK_Control_L:

+        case XK_Control_R:   pModMap[i] = ControlMask;    break;

+        case XK_Caps_Lock:   pModMap[i] = LockMask;       break;

+        case XK_Alt_L:

+        case XK_Alt_R:       pModMap[i] = AltMask;        break;

+        case XK_Num_Lock:    pModMap[i] = NumLockMask;    break;

+        case XK_Scroll_Lock: pModMap[i] = ScrollLockMask; break;

+        case XK_Kana_Lock:

+        case XK_Kana_Shift:  pModMap[i] = KanaMask;       break;

+        case XK_Mode_switch: pModMap[i] = AltLangMask;    break;

+        }

+    }

+

+    priv->kbdType = (ioctl(priv->fd, KDGKBTYPE, &type) < 0) ? KB_101 : type;

+

+    pKeySyms->map        = mapCopy; /* Must be XFree'able */

+    pKeySyms->mapWidth   = GLYPHS_PER_KEY;

+    pKeySyms->minKeyCode = MIN_KEYCODE;

+    pKeySyms->maxKeyCode = MAX_KEYCODE;

+}

+

+/** Fill the \a info structure with information needed to initialize \a

+ * pDev. */ 

+void kbdLinuxGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info)

+{

+    info->keyboard         = 1;

+    info->keyClass         = 1;

+    kbdLinuxGetMap(pDev, &info->keySyms, info->modMap);

+    info->focusClass       = 1;

+    info->kbdFeedbackClass = 1;

+}