/*
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)rcons_kern.c 8.1 (Berkeley) 6/11/93
*/
s = spltty();
if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) {
splx(s);
return;
}
tp->t_state |= TS_BUSY;
splx(s);
n = q_to_b(&tp->t_outq, buf, sizeof(buf));
rcons_puts(mydevicep, buf, n);
s = spltty();
tp->t_state &= ~TS_BUSY;
/* Come back if there's more to do */
if (ttypull(tp)) {
tp->t_state |= TS_TIMEOUT;
callout_schedule(&tp->t_rstrt_ch, 1);
}
splx(s);
}
/* Ring the console bell */
void
rcons_bell(struct rconsole *rc)
{
int i, s;
if (rc->rc_bits & FB_VISBELL) {
/* invert the screen twice */
i = ((rc->rc_bits & FB_INVERT) == 0);
rcons_invert(rc, i);
rcons_invert(rc, i ^ 1);
}
s = splhigh();
if (rc->rc_belldepth++) {
if (rc->rc_belldepth > 3)
rc->rc_belldepth = 3;
splx(s);
} else {
rc->rc_ringing = 1;
splx(s);
(*rc->rc_bell)(1);
/* XXX Chris doesn't like the following divide */
callout_reset(&rc->rc_belltmr_ch, hz / 10,
rcons_belltmr, rc);
}
}
/* Bell timer service routine */
static void
rcons_belltmr(void *p)
{
struct rconsole *rc = p;
int s = splhigh(), i;
if (rc->rc_ringing) {
rc->rc_ringing = 0;
i = --rc->rc_belldepth;
splx(s);
(*rc->rc_bell)(0);
if (i != 0)
/* XXX Chris doesn't like the following divide */
callout_reset(&rc->rc_belltmr_ch, hz / 30,
rcons_belltmr, rc);
} else {
rc->rc_ringing = 1;
splx(s);
(*rc->rc_bell)(1);
callout_reset(&rc->rc_belltmr_ch, hz / 10,
rcons_belltmr, rc);
}
}
void
rcons_init(struct rconsole *rc, int clear)
{
mydevicep = rc;
callout_init(&rc->rc_belltmr_ch, 0);
/* Initialize operations set, clear screen and turn cursor on */
rcons_init_ops(rc);
if (clear) {
rc->rc_col = 0;
rc->rc_row = 0;
rcons_clear2eop(rc);
}
rcons_cursor(rc);
}
void
rcons_ttyinit(struct tty *tp)
{
/* XXX this should go away */
struct rconsole *rc = mydevicep;
struct winsize *ws;
if (rc == NULL)
return;
/* Let the system know how big the console is */
ws = &tp->t_winsize;
ws->ws_row = rc->rc_maxrow;
ws->ws_col = rc->rc_maxcol;
ws->ws_xpixel = rc->rc_width;
ws->ws_ypixel = rc->rc_height;
/* Initialization done; hook us up */
tp->t_oproc = rcons_output;
/*tp->t_stop = (void (*)()) nullop;*/
}
