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Itsy cleanup.

This commit is contained in:
Robin Cutshaw 1999-12-30 03:42:58 +00:00
parent 30e35cb44b
commit 6d978d21b0
3 changed files with 0 additions and 894 deletions
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440
hw/kdrive/keyboard.c
View File

@ -1,440 +0,0 @@
/*
* $Id$
*
* 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.
*/
/* $XFree86: $ */
#include "kdrive.h"
#include "kkeymap.h"
#include <linux/keyboard.h>
#include <linux/kd.h>
#include <X11/keysym.h>
#include <termios.h>
extern int LinuxConsoleFd;
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_Delete,
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_ALT),
(1 << KG_ALT) | (1 << KG_SHIFT)
};
static void
readKernelMapping()
{
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_Alt_R;
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;
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;
}
void
LinuxKeyboardLoad (void)
{
readKernelMapping ();
}
static int LinuxKbdTrans;
static struct termios LinuxTermios;
int
LinuxKeyboardInit (void)
{
struct termios nTty;
ioctl (LinuxConsoleFd, KDGKBMODE, &LinuxKbdTrans);
tcgetattr (LinuxConsoleFd, &LinuxTermios);
ioctl(LinuxConsoleFd, 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(LinuxConsoleFd, TCSANOW, &nTty);
return LinuxConsoleFd;
}
void
LinuxKeyboardFini (int fd)
{
ioctl(LinuxConsoleFd, KDSKBMODE, LinuxKbdTrans);
tcsetattr(LinuxConsoleFd, TCSANOW, &LinuxTermios);
}
void
LinuxKeyboardRead (int fd)
{
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++;
}
}
}
void
LinuxKeyboardLeds (int leds)
{
ioctl (LinuxConsoleFd, KDSETLED, leds & 7);
}
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,
LinuxKeyboardRead,
LinuxKeyboardLeds,
LinuxKeyboardBell,
LinuxKeyboardFini,
3,
};

322
hw/kdrive/linux.c
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@ -1,322 +0,0 @@
/*
* $Id$
*
* 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.
*/
/* $XFree86: $ */
#include "kdrive.h"
#include <errno.h>
#include <signal.h>
#include <linux/vt.h>
#include <linux/kd.h>
#include <sys/stat.h>
#include <keysym.h>
static int vtno;
int LinuxConsoleFd;
static int activeVT;
static Bool enabled;
void
LinuxVTRequest (int sig)
{
kdSwitchPending = TRUE;
}
/* Check before chowning -- this avoids touching the file system */
void
LinuxCheckChown (char *file)
{
struct stat st;
__uid_t u;
__gid_t g;
if (stat (file, &st) < 0)
return;
u = getuid ();
g = getgid ();
if (st.st_uid != u || st.st_gid != g)
chown (file, u, g);
}
int
LinuxInit ()
{
int i, fd;
char vtname[11];
struct vt_stat vts;
struct stat statb;
LinuxConsoleFd = -1;
/* check if we're run with euid==0 */
if (geteuid() != 0)
{
FatalError("LinuxInit: Server must be suid root\n");
}
if ((fd = open("/dev/tty0",O_WRONLY,0)) < 0)
{
FatalError(
"LinuxInit: Cannot open /dev/tty0 (%s)\n",
strerror(errno));
}
if ((ioctl(fd, VT_OPENQRY, &vtno) < 0) ||
(vtno == -1))
{
FatalError("xf86OpenConsole: Cannot find a free VT\n");
}
close(fd);
/* ErrorF("(using VT number %d)\n\n", vtno); */
sprintf(vtname,"/dev/tty%d",vtno); /* /dev/tty1-64 */
if ((LinuxConsoleFd = open(vtname, O_RDWR|O_NDELAY, 0)) < 0)
{
FatalError("LinuxInit: Cannot open %s (%s)\n",
vtname, strerror(errno));
}
/* change ownership of the vt */
LinuxCheckChown (vtname);
/*
* the current VT device we're running on is not "console", we want
* to grab all consoles too
*
* Why is this needed?
*/
LinuxCheckChown ("/dev/tty0");
/*
* Linux doesn't switch to an active vt after the last close of a vt,
* so we do this ourselves by remembering which is active now.
*/
if (ioctl(LinuxConsoleFd, VT_GETSTATE, &vts) == 0)
{
activeVT = vts.v_active;
}
return 1;
}
Bool
LinuxFindPci (CARD16 vendor, CARD16 device, CARD32 count, KdCardAttr *attr)
{
FILE *f;
char line[2048], *l, *end;
CARD32 bus, id, mode, addr;
int n;
CARD32 ven_dev;
Bool ret = FALSE;
ven_dev = (((CARD32) vendor) << 16) | ((CARD32) device);
f = fopen ("/proc/bus/pci/devices", "r");
if (!f)
return FALSE;
while (fgets (line, sizeof (line)-1, f))
{
line[sizeof(line)-1] = '\0';
l = line;
bus = strtoul (l, &end, 16);
if (end == l)
continue;
l = end;
id = strtoul (l, &end, 16);
if (end == l)
continue;
l = end;
if (id != ven_dev)
continue;
if (count--)
continue;
(void) strtoul (l, &end, 16);
if (end == l)
continue;
l = end;
n = 0;
for (;;)
{
addr = strtoul (l, &end, 16);
if (end == l)
break;
if (addr & 1)
attr->io = addr & ~0xf;
else
{
if (n == KD_MAX_CARD_ADDRESS)
break;
attr->address[n++] = addr & ~0xf;
}
l = end;
}
while (n > 0)
{
if (attr->address[n-1] != 0)
break;
n--;
}
attr->naddr = n;
ret = TRUE;
break;
}
fclose (f);
return ret;
}
void
LinuxEnable (void)
{
struct sigaction act;
struct vt_mode VT;
if (enabled)
return;
if (kdSwitchPending)
{
kdSwitchPending = FALSE;
ioctl (LinuxConsoleFd, VT_RELDISP, VT_ACKACQ);
}
/*
* now get the VT
*/
if (ioctl(LinuxConsoleFd, VT_ACTIVATE, vtno) != 0)
{
ErrorF("LinuxInit: VT_ACTIVATE failed\n");
}
if (ioctl(LinuxConsoleFd, VT_WAITACTIVE, vtno) != 0)
{
ErrorF("LinuxInit: VT_WAITACTIVE failed\n");
}
if (ioctl(LinuxConsoleFd, VT_GETMODE, &VT) < 0)
{
FatalError ("LinuxInit: VT_GETMODE failed\n");
}
act.sa_handler = LinuxVTRequest;
sigemptyset (&act.sa_mask);
act.sa_flags = 0;
act.sa_restorer = 0;
sigaction (SIGUSR1, &act, 0);
VT.mode = VT_PROCESS;
VT.relsig = SIGUSR1;
VT.acqsig = SIGUSR1;
if (ioctl(LinuxConsoleFd, VT_SETMODE, &VT) < 0)
{
FatalError("LinuxInit: VT_SETMODE VT_PROCESS failed\n");
}
if (ioctl(LinuxConsoleFd, KDSETMODE, KD_GRAPHICS) < 0)
{
FatalError("LinuxInit: KDSETMODE KD_GRAPHICS failed\n");
}
enabled = TRUE;
}
Bool
LinuxSpecialKey (KeySym sym)
{
struct vt_stat vts;
int con;
if (XK_F1 <= sym && sym <= XK_F12)
{
con = sym - XK_F1 + 1;
ioctl (LinuxConsoleFd, VT_GETSTATE, &vts);
if (con != vts.v_active && (vts.v_state & (1 << con)))
{
ioctl (LinuxConsoleFd, VT_ACTIVATE, con);
return TRUE;
}
}
return FALSE;
}
void
LinuxDisable (void)
{
ioctl(LinuxConsoleFd, KDSETMODE, KD_TEXT); /* Back to text mode ... */
if (kdSwitchPending)
{
kdSwitchPending = FALSE;
ioctl (LinuxConsoleFd, VT_RELDISP, 1);
}
enabled = FALSE;
}
void
LinuxFini (void)
{
struct vt_mode VT;
struct vt_stat vts;
int fd;
if (LinuxConsoleFd < 0)
return;
if (ioctl(LinuxConsoleFd, VT_GETMODE, &VT) != -1)
{
VT.mode = VT_AUTO;
ioctl(LinuxConsoleFd, VT_SETMODE, &VT); /* set dflt vt handling */
}
ioctl (LinuxConsoleFd, VT_GETSTATE, &vts);
/*
* Find a legal VT to switch to, either the one we started from
* or the lowest active one that isn't ours
*/
if (activeVT < 0 ||
activeVT == vts.v_active ||
!(vts.v_state & (1 << activeVT)))
{
for (activeVT = 1; activeVT < 16; activeVT++)
if (activeVT != vtno && (vts.v_state & (1 << activeVT)))
break;
if (activeVT == 16)
activeVT = -1;
}
/*
* Perform a switch back to the active VT when we were started
*/
if (activeVT >= -1)
{
ioctl (LinuxConsoleFd, VT_ACTIVATE, activeVT);
ioctl (LinuxConsoleFd, VT_WAITACTIVE, activeVT);
activeVT = -1;
}
close(LinuxConsoleFd); /* make the vt-manager happy */
fd = open ("/dev/tty0", O_RDWR|O_NDELAY, 0);
if (fd >= 0)
{
ioctl (fd, VT_GETSTATE, &vts);
if (ioctl (fd, VT_DISALLOCATE, vtno) < 0)
fprintf (stderr, "Can't deallocate console %d errno %d\n", vtno, errno);
close (fd);
}
return;
}
KdOsFuncs LinuxFuncs = {
LinuxInit,
LinuxEnable,
LinuxSpecialKey,
LinuxDisable,
LinuxFini,
};

132
hw/kdrive/ps2.c
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@ -1,132 +0,0 @@
/*
* $Id$
*
* 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.
*/
/* $XFree86: $ */
#define NEED_EVENTS
#include "X.h"
#include "Xproto.h"
#include "inputstr.h"
#include "scrnintstr.h"
#include "kdrive.h"
#include "Xpoll.h"
int
Ps2ReadBytes (int fd, char *buf, int len, int min)
{
int n, tot;
fd_set set;
struct timeval tv;
tot = 0;
while (len)
{
n = read (fd, buf, len);
if (n > 0)
{
tot += n;
buf += n;
len -= n;
}
if (tot % min == 0)
break;
FD_ZERO (&set);
FD_SET (fd, &set);
tv.tv_sec = 0;
tv.tv_usec = 100 * 1000;
n = select (fd + 1, &set, 0, 0, &tv);
if (n <= 0)
break;
}
return tot;
}
void
Ps2Read (int ps2Port)
{
unsigned char buf[3 * 200];
unsigned char *b;
int n;
int dx, dy;
unsigned long flags;
while ((n = Ps2ReadBytes (ps2Port, buf, sizeof (buf), 3)) > 0)
{
b = buf;
while (n >= 3)
{
flags = KD_MOUSE_DELTA;
if (b[0] & 4)
flags |= KD_BUTTON_2;
if (b[0] & 2)
flags |= KD_BUTTON_3;
if (b[0] & 1)
flags |= KD_BUTTON_1;
dx = b[1];
if (b[0] & 0x10)
dx -= 256;
dy = b[2];
if (b[0] & 0x20)
dy -= 256;
dy = -dy;
n -= 3;
b += 3;
KdEnqueueMouseEvent (flags, dx, dy);
}
}
}
char *Ps2Names[] = {
"/dev/psaux",
"/dev/mouse",
};
#define NUM_PS2_NAMES (sizeof (Ps2Names) / sizeof (Ps2Names[0]))
int
Ps2Init (void)
{
int i;
int ps2Port;
for (i = 0; i < NUM_PS2_NAMES; i++)
{
ps2Port = open (Ps2Names[i], 0);
if (ps2Port >= 0)
return ps2Port;
}
}
void
Ps2Fini (int ps2Port)
{
if (ps2Port >= 0)
close (ps2Port);
}
KdMouseFuncs Ps2MouseFuncs = {
Ps2Init,
Ps2Read,
Ps2Fini
};