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NetBSD/sys/arch/pmax/dev/lk201.c
ad 3ce634a350 Added support for cursor keys, function keys and friends. kbdMapChar now 
returns 'char *' to do this. Codes returned for the various keys match
what 'rcons' termcap entry expects.
1999-03-22 03:25:29 +00:00

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/* $NetBSD: lk201.c,v 1.12 1999/03/22 03:25:29 ad Exp $ */
/*
* The LK201 keycode mapping routine is here, along with initialization
* functions for the keyboard and mouse.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/syslog.h>
#include <sys/select.h>
#include <dev/cons.h>
#include <machine/pmioctl.h>
#include <dev/dec/lk201.h>
#include <pmax/dev/lk201var.h>
/* Exported functions */
extern char *kbdMapChar __P((int keycode));
extern void KBDReset __P(( dev_t dev, void (*putc) (dev_t, int) ));
/*
* Keyboard to Ascii, unshifted.
*/
static unsigned char unshiftedAscii[] = {
/* 0 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 4 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 8 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 10 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 14 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 18 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 1c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 20 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 24 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 28 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 2c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 30 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 34 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 38 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 3c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 40 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 44 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 48 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 4c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 50 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 54 */ KBD_NOKEY, KBD_NOKEY, KBD_F1, KBD_F2,
/* 58 */ KBD_F3, KBD_F4, KBD_F5, KBD_NOKEY,
/* 5c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 60 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 64 */ KBD_F6, KBD_F7, KBD_F8, KBD_F9,
/* 68 */ KBD_F10, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 6c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 70 */ KBD_NOKEY, '\033', KBD_F12, KBD_F13,
/* 74 */ KBD_F14, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 78 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 7c */ KBD_HELP, KBD_DO, KBD_NOKEY, KBD_NOKEY,
/* 80 */ KBD_F17, KBD_F18, KBD_F19, KBD_F20,
/* 84 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 88 */ KBD_NOKEY, KBD_NOKEY, KBD_FIND, KBD_INSERT,
/* 8c */ KBD_REMOVE, KBD_SELECT, KBD_PREVIOUS, KBD_NEXT,
/* 90 */ KBD_NOKEY, KBD_NOKEY, '0', KBD_NOKEY,
/* 94 */ '.', KBD_KP_ENTER, '1', '2',
/* 98 */ '3', '4', '5', '6',
/* 9c */ ',', '7', '8', '9',
/* a0 */ '-', KBD_KP_F1, KBD_KP_F2, KBD_KP_F3,
/* a4 */ KBD_KP_F4, KBD_NOKEY, KBD_NOKEY, KBD_LEFT,
/* a8 */ KBD_RIGHT, KBD_DOWN, KBD_UP, KBD_NOKEY,
/* ac */ KBD_NOKEY, KBD_NOKEY, KBD_SHIFT, KBD_CONTROL,
/* b0 */ KBD_CAPSLOCK, KBD_ALTERNATE, KBD_NOKEY, KBD_NOKEY,
/* b4 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* b8 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* bc */ KBD_DEL, KBD_RET, KBD_TAB, '`',
/* c0 */ '1', 'q', 'a', 'z',
/* c4 */ KBD_NOKEY, '2', 'w', 's',
/* c8 */ 'x', '<', KBD_NOKEY, '3',
/* cc */ 'e', 'd', 'c', KBD_NOKEY,
/* d0 */ '4', 'r', 'f', 'v',
/* d4 */ ' ', KBD_NOKEY, '5', 't',
/* d8 */ 'g', 'b', KBD_NOKEY, '6',
/* dc */ 'y', 'h', 'n', KBD_NOKEY,
/* e0 */ '7', 'u', 'j', 'm',
/* e4 */ KBD_NOKEY, '8', 'i', 'k',
/* e8 */ ',', KBD_NOKEY, '9', 'o',
/* ec */ 'l', '.', KBD_NOKEY, '0',
/* f0 */ 'p', KBD_NOKEY, ';', '/',
/* f4 */ KBD_NOKEY, '=', ']', '\\',
/* f8 */ KBD_NOKEY, '-', '[', '\'',
/* fc */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
};
/*
* Keyboard to Ascii, shifted.
*/
static unsigned char shiftedAscii[] = {
/* 0 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 4 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 8 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 10 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 14 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 18 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 1c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 20 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 24 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 28 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 2c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 30 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 34 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 38 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 3c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 40 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 44 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 48 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 4c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 50 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 54 */ KBD_NOKEY, KBD_NOKEY, KBD_F1, KBD_F2,
/* 58 */ KBD_F3, KBD_F4, KBD_F5, KBD_NOKEY,
/* 5c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 60 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 64 */ KBD_F6, KBD_F7, KBD_F8, KBD_F9,
/* 68 */ KBD_F10, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 6c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 70 */ KBD_NOKEY, KBD_F11, KBD_F12, KBD_F13,
/* 74 */ KBD_F14, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 78 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 7c */ KBD_HELP, KBD_DO, KBD_NOKEY, KBD_NOKEY,
/* 80 */ KBD_F17, KBD_F18, KBD_F19, KBD_F20,
/* 84 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 88 */ KBD_NOKEY, KBD_NOKEY, KBD_FIND, KBD_INSERT,
/* 8c */ KBD_REMOVE, KBD_SELECT, KBD_PREVIOUS, KBD_NEXT,
/* 90 */ KBD_NOKEY, KBD_NOKEY, '0', KBD_NOKEY,
/* 94 */ '.', KBD_KP_ENTER, '1', '2',
/* 98 */ '3', '4', '5', '6',
/* 9c */ ',', '7', '8', '9',
/* a0 */ '-', KBD_KP_F1, KBD_KP_F2, KBD_KP_F3,
/* a4 */ KBD_KP_F4, KBD_NOKEY, KBD_NOKEY, KBD_LEFT,
/* a8 */ KBD_RIGHT, KBD_DOWN, KBD_UP, KBD_NOKEY,
/* ac */ KBD_NOKEY, KBD_NOKEY, KBD_SHIFT, KBD_CONTROL,
/* b0 */ KBD_CAPSLOCK, KBD_ALTERNATE, KBD_NOKEY, KBD_NOKEY,
/* b4 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* b8 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* bc */ KBD_DEL, KBD_RET, KBD_TAB, '~',
/* c0 */ '!', 'q', 'a', 'z',
/* c4 */ KBD_NOKEY, '@', 'w', 's',
/* c8 */ 'x', '>', KBD_NOKEY, '#',
/* cc */ 'e', 'd', 'c', KBD_NOKEY,
/* d0 */ '$', 'r', 'f', 'v',
/* d4 */ ' ', KBD_NOKEY, '%', 't',
/* d8 */ 'g', 'b', KBD_NOKEY, '^',
/* dc */ 'y', 'h', 'n', KBD_NOKEY,
/* e0 */ '&', 'u', 'j', 'm',
/* e4 */ KBD_NOKEY, '*', 'i', 'k',
/* e8 */ '<', KBD_NOKEY, '(', 'o',
/* ec */ 'l', '>', KBD_NOKEY, ')',
/* f0 */ 'p', KBD_NOKEY, ':', '?',
/* f4 */ KBD_NOKEY, '+', '}', '|',
/* f8 */ KBD_NOKEY, '_', '{', '"',
/* fc */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
};
/*
* Keyboard initialization string.
*/
static u_char kbdInitString[] = {
LK_LED_ENABLE, LED_ALL, /* show we are resetting keyboard */
LK_DEFAULTS,
LK_CMD_MODE(LK_AUTODOWN, 1),
LK_CMD_MODE(LK_AUTODOWN, 2),
LK_CMD_MODE(LK_AUTODOWN, 3),
LK_CMD_MODE(LK_DOWN, 4), /* could also be LK_AUTODOWN */
LK_CMD_MODE(LK_UPDOWN, 5),
LK_CMD_MODE(LK_UPDOWN, 6),
LK_CMD_MODE(LK_AUTODOWN, 7),
LK_CMD_MODE(LK_AUTODOWN, 8),
LK_CMD_MODE(LK_AUTODOWN, 9),
LK_CMD_MODE(LK_AUTODOWN, 10),
LK_CMD_MODE(LK_AUTODOWN, 11),
LK_CMD_MODE(LK_AUTODOWN, 12),
LK_CMD_MODE(LK_DOWN, 13),
LK_CMD_MODE(LK_AUTODOWN, 14),
LK_AR_ENABLE, /* we want autorepeat by default */
#ifdef LK_KEY_CLICK
LK_CL_ENABLE, 0x83, /* keyclick, volume */
#endif
LK_KBD_ENABLE, /* the keyboard itself */
LK_BELL_ENABLE, 0x83, /* keyboard bell, volume */
LK_LED_DISABLE, LED_ALL, /* clear keyboard leds */
};
/*
* Keyboard to what the rcons termcap entry expects.
* XXX function keys are handled specially.
*/
static struct toString {
int ts_keycode;
char *ts_string;
} toString[] = { /* termcap name */
{ KBD_UP, "\033[A" }, /* ku */
{ KBD_DOWN, "\033[B" }, /* kd */
{ KBD_RIGHT, "\033[C" }, /* kr */
{ KBD_LEFT, "\033[D" }, /* kl */
{ KBD_REMOVE, "\177" }, /* kD */
{ KBD_NEXT, "\033[222z" }, /* kN */
{ KBD_PREVIOUS, "\033[216z" }, /* kP */
};
#define NUM_TOSTRING (sizeof(toString) / sizeof(toString[0]))
static void (*raw_kbd_putc) __P((dev_t dev, int c)) = NULL;
static dev_t lk_out_dev = NODEV;
/*
* Initialize the Keyboard.
*/
void
KBDReset(kbddev, putc)
dev_t kbddev;
void (*putc) __P((dev_t, int));
{
register int i;
static int inKBDReset;
if (inKBDReset)
return;
inKBDReset = 1;
/* XXX no way to disable keyclick from userspace */
for (i = 0; i < sizeof(kbdInitString); i++) {
(*putc)(kbddev, (int)kbdInitString[i]);
DELAY(20000);
}
inKBDReset = 0;
raw_kbd_putc = putc;
lk_out_dev = kbddev;
}
void
lk_bell(ring)
int ring;
{
if ((!ring) || (lk_out_dev == NODEV) || (raw_kbd_putc == NULL))
return;
(*raw_kbd_putc)(lk_out_dev, LK_RING_BELL);
DELAY(20000);
}
/*
* ----------------------------------------------------------------------------
*
* kbdMapChar --
*
* Map characters from the keyboard to ASCII. Return NULL if there is
* no valid mapping.
*
* Results:
* None.
*
* Side effects:
* Remember state of shift, control and caps-lock keys.
*
* ----------------------------------------------------------------------------
*/
char *
kbdMapChar(cc)
int cc;
{
static u_char shiftDown;
static u_char ctrlDown;
static u_char capsLock;
static char buf[8];
static char *lastStr;
char *cp = NULL;
switch (cc) {
case KEY_REPEAT:
cp = lastStr;
goto done;
case KEY_UP:
shiftDown = 0;
ctrlDown = 0;
return (NULL);
case KEY_CAPSLOCK:
capsLock ^= 1;
#if 0
/* XXX causes lockup due to spl??? */
/* XXX may interact badly with Xserver */
if (capsLock)
(*raw_kbd_putc)(lk_out_dev, LK_LED_ENABLE);
else
(*raw_kbd_putc)(lk_out_dev, LK_LED_DISABLE);
(*raw_kbd_putc)(lk_out_dev, LED_1);
#endif
return (NULL);
case KEY_SHIFT:
case KEY_R_SHIFT:
shiftDown ^= 1;
return (NULL);
case KEY_CONTROL:
ctrlDown ^= 1;
return (NULL);
case LK_POWER_ERROR:
case LK_KDOWN_ERROR:
case LK_INPUT_ERROR:
case LK_OUTPUT_ERROR:
log(LOG_WARNING,
"lk201: keyboard error, code=%x\n", cc);
return (NULL);
}
if (shiftDown)
cc = shiftedAscii[cc];
else
cc = unshiftedAscii[cc];
if (cc >= KBD_NOKEY) {
int i;
/* XXX slow, although keyboard interrupts aren't frequent... */
/* Check for keys that have multi-character codes */
for (i = 0; i < NUM_TOSTRING; i++)
if (toString[i].ts_keycode == cc) {
cp = toString[i].ts_string;
break;
}
/* Handle function keys specially */
if (cp == NULL) {
if (cc < KBD_F1 || cc > KBD_F20)
return NULL;
/*
* All the function keys (KBD_*) are contigious,
* except for the 'Help' and 'Do' keys, which we
* return as F15 and F16 since that's what they
* really are.
* XXX termcap can only handle F0->F9. Is this right?
*/
if (cc >= KBD_F1 && cc <= KBD_F6) {
buf[3] = '2';
buf[4] = '4' + (cc - KBD_F1);
} else if (cc >= KBD_F7 && cc <= KBD_DO) {
buf[3] = '3';
buf[4] = '0' + (cc - KBD_F7);
} else /* if (cc >= KBD_F17 && cc <= KBD_F20) */ {
buf[3] = '4';
buf[4] = '0' + (cc - KBD_F17);
}
buf[0] = '\033';
buf[1] = '[';
buf[2] = '2';
buf[5] = '\0';
cp = buf;
}
}
if (cc >= 'a' && cc <= 'z') {
if (ctrlDown)
cc = cc - 'a' + '\1'; /* ^A */
else if (shiftDown ^ capsLock)
cc = cc - 'a' + 'A';
} else if (ctrlDown) {
if (cc >= '[' && cc <= '_')
cc = cc - '@';
else if (cc == ' ' || cc == '@')
cc = '\0';
}
if (cp == NULL) {
buf[0] = cc;
buf[1] = '\0';
cp = buf;
}
lastStr = cp;
done:
return (cp);
}
static int (*raw_kbd_getc) __P((dev_t dev)) = NULL;
static dev_t lk_in_dev = NODEV;
/*
* Divert input from a serial port to the lk-201 keyboard handler.
*/
void
lk_divert(getfn, in_dev)
int (*getfn) __P ((dev_t dev)) ;
dev_t in_dev;
{
raw_kbd_getc = getfn;
lk_in_dev = in_dev;
}
/*
* Get an ASCII character off of the keyboard.
* Simply pass the getc request onto the underlying
* serial driver, and map the resulting LK-201 keycode to ASCII.
* FIXME: this design should be thrown away and replaced with a stackable
* "Bstreams"-style driver.
*/
int
LKgetc(dev)
dev_t dev; /* ignored */
{
register int c;
static char *cp;
#if 0
/*XXX*/ printf("LK-201 getc 0x%x( [%d %d]) in_dev [%d %d]\n",
raw_kbd_getc,
major(dev), minor(dev),
major(lk_in_dev), minor(lk_in_dev));
#endif
if (raw_kbd_getc == NULL) {
panic("Reading from LK-201 before keyboard driver diverted\n");
return (-1);
}
for (;;) {
if (cp) {
c = *(unsigned char *)cp++;
if (*cp == '\0')
cp = NULL;
break;
}
/* c = (*cn_tab.cn_kbdgetc)(cn_tab.cn_dev); */
c = (*raw_kbd_getc) (lk_in_dev);
#if 0
/*XXX*/ printf(" 0x%x [%c]", c, c);
#endif
if (c == 0)
return (-1);
cp = kbdMapChar(c & 0xff);
}
return (c);
}
/*
* Initialize the mouse. (Doesn't really belong here.)
*/
void
MouseInit(mdev, putc, getc)
dev_t mdev;
void (*putc) __P((dev_t, int));
int (*getc) __P((dev_t));
{
int id_byte1, id_byte2, id_byte3, id_byte4;
/*
* Initialize the mouse.
*/
(*putc)(mdev, MOUSE_SELF_TEST);
id_byte1 = (*getc)(mdev);
if (id_byte1 == MOUSE_SELF_TEST) {
printf("MouseInit: mouse loopback connector.\n");
return;
}
if (id_byte1 < 0) {
printf("MouseInit: Timeout on 1st byte of self-test report\n");
return;
}
id_byte2 = (*getc)(mdev);
if (id_byte2 < 0) {
printf("MouseInit: Timeout on 2nd byte of self-test report\n");
return;
}
id_byte3 = (*getc)(mdev);
if (id_byte3 < 0) {
printf("MouseInit: Timeout on 3rd byte of self-test report\n");
return;
}
id_byte4 = (*getc)(mdev);
if (id_byte4 < 0) {
printf("MouseInit: Timeout on 4th byte of self-test report\n");
return;
}
if ((id_byte2 & 0x0f) != 0x2)
printf("MouseInit: We don't have a mouse!!!\n");
/*
* For some reason, the mouse doesn't see this command if it comes
* too soon after a self test.
*/
DELAY(150);
(*putc)(mdev, MOUSE_INCREMENTAL);
}
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