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xserver/hw/xfree86/os-support/linux/lnx_kbd.c

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/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/lnx_kbd.c,v 1.4 2003/11/03 05:11:52 tsi Exp $ */
/*
* Copyright (c) 2002 by The XFree86 Project, Inc.
* Author: Ivan Pascal.
*
* Based on the code from lnx_io.c which is
* Copyright 1992 by Orest Zborowski <obz@Kodak.com>
* 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 "compiler.h"
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86_OSlib.h"
#include "xf86Xinput.h"
#include "xf86OSKbd.h"
#include "atKeynames.h"
#if defined(DO_OS_FONTRESTORE)
#include "lnx.h"
#endif
#include "lnx_kbd.h"
#define KBC_TIMEOUT 250 /* Timeout in ms for sending to keyboard controller */
static KbdProtocolRec protocols[] = {
{"standard", PROT_STD },
{ NULL, PROT_UNKNOWN_KBD }
};
extern Bool VTSwitchEnabled;
#ifdef USE_VT_SYSREQ
extern Bool VTSysreqToggle;
#endif
static void
SoundBell(InputInfoPtr pInfo, int loudness, int pitch, int duration)
{
if (loudness && pitch)
{
ioctl(pInfo->fd, KDMKTONE,
((1193190 / pitch) & 0xffff) |
(((unsigned long)duration *
loudness / 50) << 16));
}
}
static void
SetKbdLeds(InputInfoPtr pInfo, int leds)
{
int real_leds = 0;
#if defined (__sparc__)
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
if (pKbd->sunKbd) {
if (leds & 0x08) real_leds |= XLED1;
if (leds & 0x04) real_leds |= XLED3;
if (leds & 0x02) real_leds |= XLED4;
if (leds & 0x01) real_leds |= XLED2;
leds = real_leds;
real_leds = 0;
}
#endif /* defined (__sparc__) */
#ifdef LED_CAP
if (leds & XLED1) real_leds |= LED_CAP;
if (leds & XLED2) real_leds |= LED_NUM;
if (leds & XLED3) real_leds |= LED_SCR;
#ifdef LED_COMP
if (leds & XLED4) real_leds |= LED_COMP;
#else
if (leds & XLED4) real_leds |= LED_SCR;
#endif
#endif
ioctl(pInfo->fd, KDSETLED, real_leds);
}
static int
GetKbdLeds(InputInfoPtr pInfo)
{
int real_leds, leds = 0;
ioctl(pInfo->fd, KDGETLED, &real_leds);
if (real_leds & LED_CAP) leds |= XLED1;
if (real_leds & LED_NUM) leds |= XLED2;
if (real_leds & LED_SCR) leds |= XLED3;
return(leds);
}
/* kbd rate stuff based on kbdrate.c from Rik Faith <faith@cs.unc.edu> et.al.
* from util-linux-2.9t package */
#include <linux/kd.h>
#include <linux/version.h>
#ifdef __sparc__
#include <asm/param.h>
#include <asm/kbio.h>
#endif
/* Deal with spurious kernel header change in struct kbd_repeat.
We undo this define after the routine using that struct is over,
so as not to interfere with other 'rate' elements. */
#if defined(LINUX_VERSION_CODE) && defined(KERNEL_VERSION)
# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,42)
# define rate period
# endif
#endif
static int
KDKBDREP_ioctl_ok(int rate, int delay) {
#if defined(KDKBDREP) && !defined(__sparc__)
/* This ioctl is defined in <linux/kd.h> but is not
implemented anywhere - must be in some m68k patches. */
struct kbd_repeat kbdrep_s;
/* don't change, just test */
kbdrep_s.rate = -1;
kbdrep_s.delay = -1;
if (ioctl( xf86Info.consoleFd, KDKBDREP, &kbdrep_s )) {
return 0;
}
/* do the change */
if (rate == 0) /* switch repeat off */
kbdrep_s.rate = 0;
else
kbdrep_s.rate = 10000 / rate; /* convert cps to msec */
if (kbdrep_s.rate < 1)
kbdrep_s.rate = 1;
kbdrep_s.delay = delay;
if (kbdrep_s.delay < 1)
kbdrep_s.delay = 1;
if (ioctl( xf86Info.consoleFd, KDKBDREP, &kbdrep_s )) {
return 0;
}
return 1; /* success! */
#else /* no KDKBDREP */
return 0;
#endif /* KDKBDREP */
}
#undef rate
/* Undo the earlier define for the struct kbd_repeat problem. */
#if defined(LINUX_VERSION_CODE) && defined(KERNEL_VERSION)
# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,42)
# undef rate
# endif
#endif
static int
KIOCSRATE_ioctl_ok(int rate, int delay) {
#ifdef KIOCSRATE
struct kbd_rate kbdrate_s;
int fd;
fd = open("/dev/kbd", O_RDONLY);
if (fd == -1)
return 0;
kbdrate_s.rate = (rate + 5) / 10; /* must be integer, so round up */
kbdrate_s.delay = delay * HZ / 1000; /* convert ms to Hz */
if (kbdrate_s.rate > 50)
kbdrate_s.rate = 50;
if (ioctl( fd, KIOCSRATE, &kbdrate_s )) {
return 0;
}
close( fd );
return 1;
#else /* no KIOCSRATE */
return 0;
#endif /* KIOCSRATE */
}
#undef rate
static void
SetKbdRepeat(InputInfoPtr pInfo, char rad)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
int i;
int timeout;
int value = 0x7f; /* Maximum delay with slowest rate */
#ifdef __sparc__
int rate = 500; /* Default rate */
int delay = 200; /* Default delay */
#else
int rate = 300; /* Default rate */
int delay = 250; /* Default delay */
#endif
static int valid_rates[] = { 300, 267, 240, 218, 200, 185, 171, 160, 150,
133, 120, 109, 100, 92, 86, 80, 75, 67,
60, 55, 50, 46, 43, 40, 37, 33, 30, 27,
25, 23, 21, 20 };
#define RATE_COUNT (sizeof( valid_rates ) / sizeof( int ))
static int valid_delays[] = { 250, 500, 750, 1000 };
#define DELAY_COUNT (sizeof( valid_delays ) / sizeof( int ))
if (pKbd->rate >= 0)
rate = pKbd->rate * 10;
if (pKbd->delay >= 0)
delay = pKbd->delay;
if(KDKBDREP_ioctl_ok(rate, delay)) /* m68k? */
return;
if(KIOCSRATE_ioctl_ok(rate, delay)) /* sparc? */
return;
if (xf86IsPc98())
return;
#if defined(__alpha__) || defined (__i386__) || defined(__ia64__)
if (!xorgHWAccess) {
if (xf86EnableIO())
xorgHWAccess = TRUE;
else
return;
}
/* The ioport way */
for (i = 0; i < RATE_COUNT; i++)
if (rate >= valid_rates[i]) {
value &= 0x60;
value |= i;
break;
}
for (i = 0; i < DELAY_COUNT; i++)
if (delay <= valid_delays[i]) {
value &= 0x1f;
value |= i << 5;
break;
}
timeout = KBC_TIMEOUT;
while (((inb(0x64) & 2) == 2) && --timeout)
usleep(1000); /* wait */
if (timeout == 0)
return;
outb(0x60, 0xf3); /* set typematic rate */
while (((inb(0x64) & 2) == 2) && --timeout)
usleep(1000); /* wait */
usleep(10000);
outb(0x60, value);
#endif /* __alpha__ || __i386__ || __ia64__ */
}
typedef struct {
int kbdtrans;
struct termios kbdtty;
} LnxKbdPrivRec, *LnxKbdPrivPtr;
static int
KbdInit(InputInfoPtr pInfo, int what)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
LnxKbdPrivPtr priv = (LnxKbdPrivPtr) pKbd->private;
if (pKbd->isConsole) {
ioctl (pInfo->fd, KDGKBMODE, &(priv->kbdtrans));
tcgetattr (pInfo->fd, &(priv->kbdtty));
}
if (!pKbd->CustomKeycodes) {
pKbd->RemapScanCode = ATScancode;
}
return Success;
}
static int
KbdOn(InputInfoPtr pInfo, int what)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
LnxKbdPrivPtr priv = (LnxKbdPrivPtr) pKbd->private;
struct termios nTty;
if (pKbd->isConsole) {
if (pKbd->CustomKeycodes)
ioctl(pInfo->fd, KDSKBMODE, K_MEDIUMRAW);
else
ioctl(pInfo->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, 9600);
cfsetospeed(&nTty, 9600);
tcsetattr(pInfo->fd, TCSANOW, &nTty);
}
return Success;
}
static int
KbdOff(InputInfoPtr pInfo, int what)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
LnxKbdPrivPtr priv = (LnxKbdPrivPtr) pKbd->private;
if (pKbd->isConsole) {
ioctl(pInfo->fd, KDSKBMODE, priv->kbdtrans);
tcsetattr(pInfo->fd, TCSANOW, &(priv->kbdtty));
}
return Success;
}
static int
GetSpecialKey(InputInfoPtr pInfo, int scanCode)
{
KbdDevPtr pKbd = (KbdDevPtr) pInfo->private;
int specialkey = scanCode;
#if defined (__sparc__)
if (pKbd->sunKbd) {
switch (scanCode) {
case 0x2b: specialkey = KEY_BackSpace; break;
case 0x47: specialkey = KEY_KP_Minus; break;
case 0x7d: specialkey = KEY_KP_Plus; break;
/* XXX needs cases for KEY_KP_Divide and KEY_KP_Multiply */
case 0x05: specialkey = KEY_F1; break;
case 0x06: specialkey = KEY_F2; break;
case 0x08: specialkey = KEY_F3; break;
case 0x0a: specialkey = KEY_F4; break;
case 0x0c: specialkey = KEY_F5; break;
case 0x0e: specialkey = KEY_F6; break;
case 0x10: specialkey = KEY_F7; break;
case 0x11: specialkey = KEY_F8; break;
case 0x12: specialkey = KEY_F9; break;
case 0x07: specialkey = KEY_F10; break;
case 0x09: specialkey = KEY_F11; break;
case 0x0b: specialkey = KEY_F12; break;
default: specialkey = 0; break;
}
return specialkey;
}
#endif
if (pKbd->CustomKeycodes) {
specialkey = pKbd->specialMap->map[scanCode];
}
return specialkey;
}
#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:
if (down) {
ioctl(xf86Info.consoleFd, VT_ACTIVATE, key - KEY_F1 + 1);
return TRUE;
}
case KEY_F11:
case KEY_F12:
if (down) {
ioctl(xf86Info.consoleFd, VT_ACTIVATE, key - KEY_F11 + 11);
return TRUE;
}
}
}
}
#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);
}
}
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;
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) {
pInfo->fd = xf86Info.consoleFd;
pKbd->isConsole = TRUE;
} 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;
xfree(s);
}
if (pKbd->isConsole)
pKbd->vtSwitchSupported = TRUE;
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 = GetSpecialKey;
pKbd->OpenKeyboard = OpenKeyboard;
pKbd->vtSwitchSupported = FALSE;
pKbd->private = xcalloc(sizeof(LnxKbdPrivRec), 1);
if (pKbd->private == NULL) {
xf86Msg(X_ERROR,"can't allocate keyboard OS private data\n");
return FALSE;
}
#if defined(__powerpc__)
{
FILE *f;
f = fopen("/proc/sys/dev/mac_hid/keyboard_sends_linux_keycodes","r");
if (f) {
if (fgetc(f) == '0')
pKbd->CustomKeycodes = TRUE;
fclose(f);
}
}
#endif
return TRUE;
}
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