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xserver/hw/kdrive/linux/keyboard.c
Keith Packard fe28039ff4 Prototype fixes (various) Add GCC warnings (including -Werror. clean up 
your code) Other warning fixes (unused variables, etc) Get rid of
    unused extension interfaces (aux screen procs) Make lots of functions
    in kdrive static Eliminate unused code from os library
2003-10-29 16:26:49 +00:00

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/*
* $RCSId: xc/programs/Xserver/hw/kdrive/linux/keyboard.c,v 1.10 2001/11/08 10:26:24 keithp Exp $
*
* Copyright © 1999 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "kdrive.h"
#include "kkeymap.h"
#include <linux/keyboard.h>
#include <linux/kd.h>
#define XK_PUBLISHING
#include <X11/keysym.h>
#include <termios.h>
#include <sys/ioctl.h>
extern int LinuxConsoleFd;
static const 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
};
static unsigned char tbl[KD_MAX_WIDTH] =
{
0,
1 << KG_SHIFT,
(1 << KG_ALTGR),
(1 << KG_ALTGR) | (1 << KG_SHIFT)
};
static void
readKernelMapping(void)
{
KeySym *k;
int i, j;
struct kbentry kbe;
int minKeyCode, maxKeyCode;
minKeyCode = NR_KEYS;
maxKeyCode = 0;
k = kdKeymap;
for (i = 0;
i < NR_KEYS && (maxKeyCode - minKeyCode + 1) < KD_MAX_LENGTH;
++i)
{
kbe.kb_index = i;
for (j = 0; j < KD_MAX_WIDTH; ++j)
{
unsigned short kval;
k[j] = NoSymbol;
kbe.kb_table = tbl[j];
if (ioctl(LinuxConsoleFd, KDGKBENT, &kbe))
continue;
kval = KVAL(kbe.kb_value);
switch (KTYP(kbe.kb_value))
{
case KT_LATIN:
case KT_LETTER:
k[j] = linux_to_x[kval];
break;
case KT_FN:
if (kval <= 19)
k[j] = XK_F1 + kval;
else switch (kbe.kb_value)
{
case K_FIND:
k[j] = XK_Home; /* or XK_Find */
break;
case K_INSERT:
k[j] = XK_Insert;
break;
case K_REMOVE:
k[j] = XK_Delete;
break;
case K_SELECT:
k[j] = XK_End; /* or XK_Select */
break;
case K_PGUP:
k[j] = XK_Prior;
break;
case K_PGDN:
k[j] = XK_Next;
break;
case K_HELP:
k[j] = XK_Help;
break;
case K_DO:
k[j] = XK_Execute;
break;
case K_PAUSE:
k[j] = XK_Pause;
break;
case K_MACRO:
k[j] = XK_Menu;
break;
default:
break;
}
break;
case KT_SPEC:
switch (kbe.kb_value)
{
case K_ENTER:
k[j] = XK_Return;
break;
case K_BREAK:
k[j] = XK_Break;
break;
case K_CAPS:
k[j] = XK_Caps_Lock;
break;
case K_NUM:
k[j] = XK_Num_Lock;
break;
case K_HOLD:
k[j] = XK_Scroll_Lock;
break;
case K_COMPOSE:
k[j] = XK_Multi_key;
break;
default:
break;
}
break;
case KT_PAD:
switch (kbe.kb_value)
{
case K_PPLUS:
k[j] = XK_KP_Add;
break;
case K_PMINUS:
k[j] = XK_KP_Subtract;
break;
case K_PSTAR:
k[j] = XK_KP_Multiply;
break;
case K_PSLASH:
k[j] = XK_KP_Divide;
break;
case K_PENTER:
k[j] = XK_KP_Enter;
break;
case K_PCOMMA:
k[j] = XK_KP_Separator;
break;
case K_PDOT:
k[j] = XK_KP_Decimal;
break;
case K_PPLUSMINUS:
k[j] = XK_KP_Subtract;
break;
default:
if (kval <= 9)
k[j] = XK_KP_0 + kval;
break;
}
break;
/*
* KT_DEAD keys are for accelerated diacritical creation.
*/
case KT_DEAD:
switch (kbe.kb_value)
{
case K_DGRAVE:
k[j] = XK_dead_grave;
break;
case K_DACUTE:
k[j] = XK_dead_acute;
break;
case K_DCIRCM:
k[j] = XK_dead_circumflex;
break;
case K_DTILDE:
k[j] = XK_dead_tilde;
break;
case K_DDIERE:
k[j] = XK_dead_diaeresis;
break;
}
break;
case KT_CUR:
switch (kbe.kb_value)
{
case K_DOWN:
k[j] = XK_Down;
break;
case K_LEFT:
k[j] = XK_Left;
break;
case K_RIGHT:
k[j] = XK_Right;
break;
case K_UP:
k[j] = XK_Up;
break;
}
break;
case KT_SHIFT:
switch (kbe.kb_value)
{
case K_ALTGR:
k[j] = XK_Mode_switch;
break;
case K_ALT:
k[j] = (kbe.kb_index == 0x64 ?
XK_Alt_R : XK_Alt_L);
break;
case K_CTRL:
k[j] = (kbe.kb_index == 0x61 ?
XK_Control_R : XK_Control_L);
break;
case K_CTRLL:
k[j] = XK_Control_L;
break;
case K_CTRLR:
k[j] = XK_Control_R;
break;
case K_SHIFT:
k[j] = (kbe.kb_index == 0x36 ?
XK_Shift_R : XK_Shift_L);
break;
case K_SHIFTL:
k[j] = XK_Shift_L;
break;
case K_SHIFTR:
k[j] = XK_Shift_R;
break;
default:
break;
}
break;
/*
* KT_ASCII keys accumulate a 3 digit decimal number that gets
* emitted when the shift state changes. We can't emulate that.
*/
case KT_ASCII:
break;
case KT_LOCK:
if (kbe.kb_value == K_SHIFTLOCK)
k[j] = XK_Shift_Lock;
break;
#ifdef KT_X
case KT_X:
/* depends on new keyboard symbols in file linux/keyboard.h */
if(kbe.kb_value == K_XMENU) k[j] = XK_Menu;
if(kbe.kb_value == K_XTELEPHONE) k[j] = XK_telephone;
break;
#endif
#ifdef KT_XF
case KT_XF:
/* special linux keysyms which map directly to XF86 keysyms */
k[j] = (kbe.kb_value & 0xFF) + 0x1008FF00;
break;
#endif
default:
break;
}
if (i < minKeyCode)
minKeyCode = i;
if (i > maxKeyCode)
maxKeyCode = i;
}
if (minKeyCode == NR_KEYS)
continue;
if (k[3] == k[2]) k[3] = NoSymbol;
if (k[2] == k[1]) k[2] = NoSymbol;
if (k[1] == k[0]) k[1] = NoSymbol;
if (k[0] == k[2] && k[1] == k[3]) k[2] = k[3] = NoSymbol;
if (k[3] == k[0] && k[2] == k[1] && k[2] == NoSymbol) k[3] =NoSymbol;
k += KD_MAX_WIDTH;
}
kdMinScanCode = minKeyCode;
kdMaxScanCode = maxKeyCode;
}
static void
LinuxKeyboardLoad (void)
{
readKernelMapping ();
}
static void
LinuxKeyboardRead (int fd, void *closure)
{
unsigned char buf[256], *b;
int n;
while ((n = read (fd, buf, sizeof (buf))) > 0)
{
b = buf;
while (n--)
{
KdEnqueueKeyboardEvent (b[0] & 0x7f, b[0] & 0x80);
b++;
}
}
}
static int LinuxKbdTrans;
static struct termios LinuxTermios;
static int LinuxKbdType;
static int
LinuxKeyboardEnable (int fd, void *closure)
{
struct termios nTty;
unsigned char buf[256];
int n;
ioctl (fd, KDGKBMODE, &LinuxKbdTrans);
tcgetattr (fd, &LinuxTermios);
ioctl(fd, KDSKBMODE, K_MEDIUMRAW);
nTty = LinuxTermios;
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(fd, TCSANOW, &nTty);
/*
* Flush any pending keystrokes
*/
while ((n = read (fd, buf, sizeof (buf))) > 0)
;
return fd;
}
static void
LinuxKeyboardDisable (int fd, void *closure)
{
ioctl(LinuxConsoleFd, KDSKBMODE, LinuxKbdTrans);
tcsetattr(LinuxConsoleFd, TCSANOW, &LinuxTermios);
}
static int
LinuxKeyboardInit (void)
{
if (!LinuxKbdType)
LinuxKbdType = KdAllocInputType ();
KdRegisterFd (LinuxKbdType, LinuxConsoleFd, LinuxKeyboardRead, 0);
LinuxKeyboardEnable (LinuxConsoleFd, 0);
KdRegisterFdEnableDisable (LinuxConsoleFd,
LinuxKeyboardEnable,
LinuxKeyboardDisable);
return 1;
}
static void
LinuxKeyboardFini (void)
{
LinuxKeyboardDisable (LinuxConsoleFd, 0);
KdUnregisterFds (LinuxKbdType, FALSE);
}
static void
LinuxKeyboardLeds (int leds)
{
ioctl (LinuxConsoleFd, KDSETLED, leds & 7);
}
static void
LinuxKeyboardBell (int volume, int pitch, int duration)
{
if (volume && pitch)
{
ioctl(LinuxConsoleFd, KDMKTONE,
((1193190 / pitch) & 0xffff) |
(((unsigned long)duration *
volume / 50) << 16));
}
}
KdKeyboardFuncs LinuxKeyboardFuncs = {
LinuxKeyboardLoad,
LinuxKeyboardInit,
LinuxKeyboardLeds,
LinuxKeyboardBell,
LinuxKeyboardFini,
3,
};
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