void
lk201_init(struct lk201_state *lks)
{
int i;
lks->waitack = 0;
send(lks, LK_LED_ENABLE);
send(lks, LK_LED_ALL);
/*
* set all keys to updown mode; autorepeat is
* done by wskbd software
*/
for (i = 1; i <= 14; i++)
send(lks, LK_CMD_MODE(LK_UPDOWN, i));
send(lks, LK_CL_DISABLE);
lks->kcvol = 0;
lks->bellvol = -1; /* not yet set */
for (i = 0; i < LK_KLL; i++)
lks->down_keys_list[i] = -1;
send(lks, LK_KBD_ENABLE);
send(lks, LK_LED_DISABLE);
send(lks, LK_LED_ALL);
lks->leds_state = 0;
/*
* Note that, when attaching lkkbd initially, this timeout will
* be scheduled but will not run until interrupts are enabled.
* This is not a problem, since lk201_identify() relies upon
* interrupts being enabled.
*/
timeout_set(&lks->probetmo, lk201_identify, lks);
timeout_add(&lks->probetmo, 0);
}
static struct dec_serial_hook lk201_hook = {
.init_channel = lk201_init,
.init_info = lk201_info,
.rx_char = NULL,
.poll_rx_char = NULL,
.poll_tx_char = NULL,
.cflags = B4800 | CS8 | CSTOPB | CLOCAL,
};
/*
* This is used during keyboard initialisation
*/
static unsigned char lk201_reset_string[] = {
LK_CMD_SET_DEFAULTS,
LK_CMD_MODE(LK_MODE_RPT_DOWN, 1),
LK_CMD_MODE(LK_MODE_RPT_DOWN, 2),
LK_CMD_MODE(LK_MODE_RPT_DOWN, 3),
LK_CMD_MODE(LK_MODE_RPT_DOWN, 4),
LK_CMD_MODE(LK_MODE_DOWN_UP, 5),
LK_CMD_MODE(LK_MODE_DOWN_UP, 6),
LK_CMD_MODE(LK_MODE_RPT_DOWN, 7),
LK_CMD_MODE(LK_MODE_RPT_DOWN, 8),
LK_CMD_MODE(LK_MODE_RPT_DOWN, 9),
LK_CMD_MODE(LK_MODE_RPT_DOWN, 10),
LK_CMD_MODE(LK_MODE_RPT_DOWN, 11),
LK_CMD_MODE(LK_MODE_RPT_DOWN, 12),
LK_CMD_MODE(LK_MODE_DOWN, 13),
LK_CMD_MODE(LK_MODE_RPT_DOWN, 14),
LK_CMD_DIS_KEYCLK,
LK_CMD_ENB_BELL, LK_PARAM_VOLUME(4),
/* 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 */
LK_CL_ENABLE, 0x83, /* keyclick, volume */
int
lk201_init(struct lk201_state *lks)
{
int i;
lks->waitack = 0;
send(lks, LK_LED_ENABLE);
send(lks, LK_LED_ALL);
/*
* set all keys to updown mode; autorepeat is
* done by wskbd software
*/
for (i = 1; i <= 14; i++)
send(lks, LK_CMD_MODE(LK_UPDOWN, i));
send(lks, LK_CL_ENABLE);
send(lks, LK_PARAM_VOLUME(3));
lks->kcvol = (8 - 3) * 100 / 8;
lks->bellvol = -1; /* not yet set */
for (i = 0; i < LK_KLL; i++)
lks->down_keys_list[i] = -1;
send(lks, LK_KBD_ENABLE);
send(lks, LK_LED_DISABLE);
send(lks, LK_LED_ALL);
lks->leds_state = 0;
/*
* Swallow all the keyboard acknowledges from lk201_init().
* There should be 14 of them - one per LK_CMD_MODE command.
*/
for(;;) {
lks->waitack = 1;
for (i = 100; i != 0; i--) {
DELAY(1000);
if (lks->waitack == 0)
break;
}
if (i == 0)
break;
}
/*
* Try to set the keyboard in LK-401 mode.
* If we receive an error, this is an LK-201 keyboard.
*/
lks->waitack = 1;
send(lks, LK_ENABLE_401);
for (i = 100; i != 0; i--) {
DELAY(1000);
if (lks->waitack == 0)
break;
}
if (lks->waitack != 0)
lks->kbdtype = KBD_NONE;
else {
if (lks->ackdata == LK_INPUT_ERROR)
lks->kbdtype = KBD_LK201;
else
lks->kbdtype = KBD_LK401;
}
lks->waitack = 0;
printf("lkkbd0: %s\n", lkkbd_descr[lks->kbdtype]);
return 0;
}
