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xserver-multidpi/hw/xfree86/os-support/bsd/bsd_kbd.c
Alan Coopersmith 6d4b350dee Bug #3815 <https://bugs.freedesktop.org/show_bug.cgi?id=3815> Patch #3463 
<https://bugs.freedesktop.org/attachment.cgi?id=3463> GNU/kFreeBSD
    Xserver support (Robert Millan)
2005-10-03 16:46:14 +00:00

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/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/bsd_kbd.c,v 1.8 2003/11/04 03:16:58 tsi Exp $ */
/*
* Copyright (c) 2002 by The XFree86 Project, Inc.
* Author: Ivan Pascal.
*
* Based on the code from bsd_io.c which is
* Copyright 1992 by Rich Murphey <Rich@Rice.edu>
* Copyright 1993 by David Dawes <dawes@xfree86.org>
*/
#define NEED_EVENTS
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <X11/X.h>
#include <termios.h>
#include "compiler.h"
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86_OSlib.h"
#include "xf86Xinput.h"
#include "xf86OSKbd.h"
#include "atKeynames.h"
#include "bsd_kbd.h"
extern Bool VTSwitchEnabled;
#ifdef USE_VT_SYSREQ
extern Bool VTSysreqToggle;
#endif
static KbdProtocolRec protocols[] = {
{"standard", PROT_STD },
#ifdef WSCONS_SUPPORT
{"wskbd", PROT_WSCONS },
#endif
{ NULL, PROT_UNKNOWN_KBD }
};
typedef struct {
struct termios kbdtty;
} BsdKbdPrivRec, *BsdKbdPrivPtr;
static
int KbdInit(InputInfoPtr pInfo, int what)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
BsdKbdPrivPtr priv = (BsdKbdPrivPtr) pKbd->private;
if (pKbd->isConsole) {
switch (pKbd->consType) {
#if defined(PCCONS_SUPPORT) || defined(SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) || defined (WSCONS_SUPPORT)
case PCCONS:
case SYSCONS:
case PCVT:
#if defined WSCONS_SUPPORT
case WSCONS:
#endif
tcgetattr(pInfo->fd, &(priv->kbdtty));
#endif
break;
}
}
return Success;
}
static void
SetKbdLeds(InputInfoPtr pInfo, int leds)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
int real_leds = 0;
#ifdef LED_CAP
if (leds & XLED1) real_leds |= LED_CAP;
#endif
#ifdef LED_NUM
if (leds & XLED2) real_leds |= LED_NUM;
#endif
#ifdef LED_SCR
if (leds & XLED3) real_leds |= LED_SCR;
if (leds & XLED4) real_leds |= LED_SCR;
#endif
switch (pKbd->consType) {
case PCCONS:
break;
#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT)
case SYSCONS:
case PCVT:
ioctl(pInfo->fd, KDSETLED, real_leds);
break;
#endif
#if defined(WSCONS_SUPPORT)
case WSCONS:
ioctl(pInfo->fd, WSKBDIO_SETLEDS, &real_leds);
break;
#endif
}
}
static int
GetKbdLeds(InputInfoPtr pInfo)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
int leds = 0, real_leds = 0;
switch (pKbd->consType) {
case PCCONS:
break;
#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT)
case SYSCONS:
case PCVT:
ioctl(pInfo->fd, KDGETLED, &real_leds);
break;
#endif
#if defined(WSCONS_SUPPORT)
case WSCONS:
ioctl(pInfo->fd, WSKBDIO_GETLEDS, &real_leds);
break;
#endif
}
#ifdef LED_CAP
if (real_leds & LED_CAP) leds |= XLED1;
#endif
#ifdef LED_NUM
if (real_leds & LED_NUM) leds |= XLED2;
#endif
#ifdef LED_SCR
if (real_leds & LED_SCR) leds |= XLED3;
#endif
return(leds);
}
static void
SetKbdRepeat(InputInfoPtr pInfo, char rad)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
switch (pKbd->consType) {
case PCCONS:
break;
#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT)
case SYSCONS:
case PCVT:
ioctl(pInfo->fd, KDSETRAD, rad);
break;
#endif
}
}
static int
KbdOn(InputInfoPtr pInfo, int what)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
#if defined(SYSCONS_SUPPORT) || defined(PCCONS_SUPPORT) || defined(PCVT_SUPPORT) || defined(WSCONS_SUPPORT)
BsdKbdPrivPtr priv = (BsdKbdPrivPtr) pKbd->private;
struct termios nTty;
#endif
#ifdef WSCONS_SUPPORT
int option;
#endif
if (pKbd->isConsole) {
switch (pKbd->consType) {
#if defined(SYSCONS_SUPPORT) || defined(PCCONS_SUPPORT) || defined(PCVT_SUPPORT) || defined(WSCONS_SUPPORT)
case SYSCONS:
case PCCONS:
case PCVT:
#ifdef WSCONS_SUPPORT
case WSCONS:
#endif
nTty = priv->kbdtty;
nTty.c_iflag = IGNPAR | IGNBRK;
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, 9600);
cfsetospeed(&nTty, 9600);
if (tcsetattr(pInfo->fd, TCSANOW, &nTty) < 0) {
xf86Msg(X_ERROR, "KbdOn: tcsetattr: %s\n",
strerror(errno));
}
break;
#endif
}
#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) || defined (WSCONS_SUPPORT)
switch (pKbd->consType) {
case SYSCONS:
case PCVT:
#ifdef K_CODE
if (pKbd->CustomKeycodes)
ioctl(pInfo->fd, KDSKBMODE, K_CODE);
else
ioctl(pInfo->fd, KDSKBMODE, K_RAW);
#else
ioctl(pInfo->fd, KDSKBMODE, K_RAW);
#endif
break;
#endif
#ifdef WSCONS_SUPPORT
case WSCONS:
option = WSKBD_RAW;
if (ioctl(pInfo->fd, WSKBDIO_SETMODE, &option) == -1) {
FatalError("can't switch keyboard to raw mode. "
"Enable support for it in the kernel\n"
"or use for example:\n\n"
"Option \"Protocol\" \"wskbd\"\n"
"Option \"Device\" \"/dev/wskbd0\"\n"
"\nin your xorg.conf(5) file\n");
}
break;
#endif
}
}
return Success;
}
static int
KbdOff(InputInfoPtr pInfo, int what)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
BsdKbdPrivPtr priv = (BsdKbdPrivPtr) pKbd->private;
#ifdef WSCONS_SUPPORT
int option;
#endif
if (pKbd->isConsole) {
switch (pKbd->consType) {
#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT)
case SYSCONS:
case PCVT:
ioctl(pInfo->fd, KDSKBMODE, K_XLATE);
/* FALL THROUGH */
#endif
#if defined(SYSCONS_SUPPORT) || defined(PCCONS_SUPPORT) || defined(PCVT_SUPPORT)
case PCCONS:
tcsetattr(pInfo->fd, TCSANOW, &(priv->kbdtty));
break;
#endif
#ifdef WSCONS_SUPPORT
case WSCONS:
option = WSKBD_TRANSLATED;
ioctl(xf86Info.consoleFd, WSKBDIO_SETMODE, &option);
tcsetattr(pInfo->fd, TCSANOW, &(priv->kbdtty));
break;
#endif
}
}
return Success;
}
static void
SoundBell(InputInfoPtr pInfo, int loudness, int pitch, int duration)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
#ifdef WSCONS_SUPPORT
struct wskbd_bell_data wsb;
#endif
if (loudness && pitch) {
switch (pKbd->consType) {
#ifdef PCCONS_SUPPORT
case PCCONS:
{ int data[2];
data[0] = pitch;
data[1] = (duration * loudness) / 50;
ioctl(pInfo->fd, CONSOLE_X_BELL, data);
break;
}
#endif
#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT)
case SYSCONS:
case PCVT:
ioctl(pInfo->fd, KDMKTONE,
((1193190 / pitch) & 0xffff) |
(((unsigned long)duration*loudness/50)<<16));
break;
#endif
#if defined (WSCONS_SUPPORT)
case WSCONS:
wsb.which = WSKBD_BELL_DOALL;
wsb.pitch = pitch;
wsb.period = duration;
wsb.volume = loudness;
ioctl(pInfo->fd, WSKBDIO_COMPLEXBELL, &wsb);
break;
#endif
}
}
}
#define ModifierSet(k) ((modifiers & (k)) == (k))
static
Bool SpecialKey(InputInfoPtr pInfo, int key, Bool down, int modifiers)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
if(!pKbd->vtSwitchSupported)
return FALSE;
if ((ModifierSet(ControlMask | AltMask)) ||
(ModifierSet(ControlMask | AltLangMask))) {
if (VTSwitchEnabled && !xf86Info.vtSysreq && !xf86Info.dontVTSwitch) {
switch (key) {
case KEY_F1:
case KEY_F2:
case KEY_F3:
case KEY_F4:
case KEY_F5:
case KEY_F6:
case KEY_F7:
case KEY_F8:
case KEY_F9:
case KEY_F10:
#ifdef VT_ACTIVATE
if (down) {
ioctl(xf86Info.consoleFd, VT_ACTIVATE, key - KEY_F1 + 1);
return TRUE;
}
#endif
case KEY_F11:
case KEY_F12:
#ifdef VT_ACTIVATE
if (down) {
ioctl(xf86Info.consoleFd, VT_ACTIVATE, key - KEY_F11 + 11);
return TRUE;
}
#endif
}
}
}
#ifdef USE_VT_SYSREQ
if (VTSwitchEnabled && xf86Info.vtSysreq && !xf86Info.dontVTSwitch) {
switch (key) {
case KEY_F1:
case KEY_F2:
case KEY_F3:
case KEY_F4:
case KEY_F5:
case KEY_F6:
case KEY_F7:
case KEY_F8:
case KEY_F9:
case KEY_F10:
if (VTSysreqToggle && down) {
ioctl(xf86Info.consoleFd, VT_ACTIVATE, key - KEY_F1 + 1);
VTSysreqToggle = FALSE;
return TRUE;
}
break;
case KEY_F11:
case KEY_F12:
if (VTSysreqToggle && down) {
ioctl(xf86Info.consoleFd, VT_ACTIVATE, key - KEY_F11 + 11);
VTSysreqToggle = FALSE;
return TRUE;
}
break;
/* Ignore these keys -- ie don't let them cancel an alt-sysreq */
case KEY_Alt:
case KEY_AltLang:
break;
case KEY_SysReqest:
if ((ModifierSet(AltMask) || ModifierSet(AltLangMask)) && down)
VTSysreqToggle = TRUE;
break;
default:
/*
* We only land here when Alt-SysReq is followed by a
* non-switching key.
*/
if (VTSysreqToggle)
VTSysreqToggle = FALSE;
}
}
#endif /* USE_VT_SYSREQ */
return FALSE;
}
static void
stdReadInput(InputInfoPtr pInfo)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
unsigned char rBuf[64];
int nBytes, i;
if ((nBytes = read( pInfo->fd, (char *)rBuf, sizeof(rBuf))) > 0) {
for (i = 0; i < nBytes; i++)
pKbd->PostEvent(pInfo, rBuf[i] & 0x7f,
rBuf[i] & 0x80 ? FALSE : TRUE);
}
}
#ifdef WSCONS_SUPPORT
static void
WSReadInput(InputInfoPtr pInfo)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
struct wscons_event events[64];
int type;
int blocked, n, i;
if ((n = read( pInfo->fd, events, sizeof(events))) > 0) {
n /= sizeof(struct wscons_event);
for (i = 0; i < n; i++) {
type = events[i].type;
if (type == WSCONS_EVENT_KEY_UP || type == WSCONS_EVENT_KEY_DOWN) {
/* It seems better to block SIGIO there */
blocked = xf86BlockSIGIO();
pKbd->PostEvent(pInfo, (unsigned int)(events[i].value),
type == WSCONS_EVENT_KEY_DOWN ? TRUE : FALSE);
xf86UnblockSIGIO(blocked);
}
} /* for */
}
}
static void
printWsType(char *type, char *devname)
{
xf86Msg(X_PROBED, "%s: Keyboard type: %s\n", type, devname);
}
#endif
static Bool
OpenKeyboard(InputInfoPtr pInfo)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
int i;
KbdProtocolId prot = PROT_UNKNOWN_KBD;
char *s;
s = xf86SetStrOption(pInfo->options, "Protocol", NULL);
for (i = 0; protocols[i].name; i++) {
if (xf86NameCmp(s, protocols[i].name) == 0) {
prot = protocols[i].id;
break;
}
}
switch (prot) {
case PROT_STD:
pInfo->read_input = stdReadInput;
break;
#ifdef WSCONS_SUPPORT
case PROT_WSCONS:
pInfo->read_input = WSReadInput;
break;
#endif
default:
xf86Msg(X_ERROR,"\"%s\" is not a valid keyboard protocol name\n", s);
xfree(s);
return FALSE;
}
xf86Msg(X_CONFIG, "%s: Protocol: %s\n", pInfo->name, s);
xfree(s);
s = xf86SetStrOption(pInfo->options, "Device", NULL);
if (s == NULL) {
if (prot == PROT_WSCONS) {
xf86Msg(X_ERROR,"A \"device\" option is required with"
" the \"wskbd\" keyboard protocol\n");
return FALSE;
} else {
pInfo->fd = xf86Info.consoleFd;
pKbd->isConsole = TRUE;
pKbd->consType = xf86Info.consType;
}
} else {
pInfo->fd = open(s, O_RDONLY | O_NONBLOCK | O_EXCL);
if (pInfo->fd == -1) {
xf86Msg(X_ERROR, "%s: cannot open \"%s\"\n", pInfo->name, s);
xfree(s);
return FALSE;
}
pKbd->isConsole = FALSE;
pKbd->consType = xf86Info.consType;
xfree(s);
}
#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT)
if (pKbd->isConsole &&
((pKbd->consType == SYSCONS) || (pKbd->consType == PCVT)))
pKbd->vtSwitchSupported = TRUE;
#endif
#ifdef WSCONS_SUPPORT
if( prot == PROT_WSCONS) {
pKbd->consType = WSCONS;
/* Find out keyboard type */
if (ioctl(pInfo->fd, WSKBDIO_GTYPE, &(pKbd->wsKbdType)) == -1) {
xf86Msg(X_ERROR, "%s: cannot get keyboard type", pInfo->name);
close(pInfo->fd);
return FALSE;
}
switch (pKbd->wsKbdType) {
case WSKBD_TYPE_PC_XT:
printWsType("XT", pInfo->name);
break;
case WSKBD_TYPE_PC_AT:
printWsType("AT", pInfo->name);
break;
case WSKBD_TYPE_USB:
printWsType("USB", pInfo->name);
break;
#ifdef WSKBD_TYPE_ADB
case WSKBD_TYPE_ADB:
printWsType("ADB", pInfo->name);
break;
#endif
#ifdef WSKBD_TYPE_SUN
case WSKBD_TYPE_SUN:
printWsType("Sun", pInfo->name);
break;
#endif
#ifdef WSKBD_TYPE_SUN5
case WSKBD_TYPE_SUN5:
xf86Msg(X_PROBED, "Keyboard type: Sun5\n");
break;
#endif
default:
xf86Msg(X_ERROR, "%s: Unsupported wskbd type \"%d\"",
pInfo->name, pKbd->wsKbdType);
close(pInfo->fd);
return FALSE;
}
}
#endif
return TRUE;
}
Bool
xf86OSKbdPreInit(InputInfoPtr pInfo)
{
KbdDevPtr pKbd = pInfo->private;
pKbd->KbdInit = KbdInit;
pKbd->KbdOn = KbdOn;
pKbd->KbdOff = KbdOff;
pKbd->Bell = SoundBell;
pKbd->SetLeds = SetKbdLeds;
pKbd->GetLeds = GetKbdLeds;
pKbd->SetKbdRepeat = SetKbdRepeat;
pKbd->KbdGetMapping = KbdGetMapping;
pKbd->SpecialKey = SpecialKey;
pKbd->RemapScanCode = NULL;
pKbd->GetSpecialKey = NULL;
pKbd->OpenKeyboard = OpenKeyboard;
pKbd->vtSwitchSupported = FALSE;
pKbd->CustomKeycodes = FALSE;
pKbd->private = xcalloc(sizeof(BsdKbdPrivRec), 1);
if (pKbd->private == NULL) {
xf86Msg(X_ERROR,"can't allocate keyboard OS private data\n");
return FALSE;
}
return TRUE;
}
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