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/* $NetBSD: cons.c,v 1.10 2011/02/08 20:20:11 rmind Exp $ */
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* 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.
*
* from: Utah Hdr: cons.c 1.7 92/02/28
*
* @(#)cons.c 8.1 (Berkeley) 6/10/93
*/
#include <lib/libsa/stand.h>
#include <machine/cpu.h>
#include "boot.h"
#include "cons.h"
#ifdef CONS_SERIAL
void comcnprobe(struct consdev *);
void comcninit(struct consdev *);
void comcnputchar(void *, int);
int comcngetchar(void *);
int comcnscan(void *);
# include "ns16550.h"
# ifndef COMPORT
# define COMPORT COM1
# endif
# ifndef COMSPEED
# define COMSPEED 9600
# endif
#endif
#ifdef CONS_ZS
void zscnprobe(struct consdev *);
void zscninit(struct consdev *);
void zscnputchar(void *, int);
int zscngetchar(void *);
int zscnscan(void *);
#include "zs.h"
#ifndef ZSCHAN
#define ZSCHAN ZS_CHAN_A
#endif
#ifndef ZSSPEED
#define ZSSPEED 115200
#endif
#endif
struct consdev constab[] = {
#ifdef CONS_SERIAL
{ "com", COMPORT, COMSPEED,
comcnprobe, comcninit, comcngetchar, comcnputchar, comcnscan },
#endif
#ifdef CONS_ZS
{ "zs", ZSCHAN, ZSSPEED,
zscnprobe, zscninit, zscngetchar, zscnputchar, zscnscan },
#endif
{ 0 }
};
struct consdev *cn_tab;
char *
cninit(int *addr, int *speed)
{
register struct consdev *cp;
cn_tab = NULL;
for (cp = constab; cp->cn_probe; cp++) {
(*cp->cn_probe)(cp);
if (cp->cn_pri > CN_DEAD &&
(cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri))
cn_tab = cp;
}
if (cn_tab) {
(*cn_tab->cn_init)(cn_tab);
*addr = cn_tab->address;
*speed = cn_tab->speed;
return cn_tab->cn_name;
}
return NULL;
}
int
cngetc(void)
{
if (cn_tab)
return (*cn_tab->cn_getc)(cn_tab->cn_dev);
return 0;
}
void
cnputc(int c)
{
if (cn_tab)
(*cn_tab->cn_putc)(cn_tab->cn_dev, c);
}
int
cnscan(void)
{
if (cn_tab)
return (*cn_tab->cn_scan)(cn_tab->cn_dev);
return -1;
}
#ifdef CONS_SERIAL
/*
* serial console
*/
void
comcnprobe(struct consdev *cp)
{
if (*((uint32_t *)COMPROBE) != 0 &&
cobalt_id != COBALT_ID_QUBE2700)
cp->cn_pri = CN_REMOTE;
}
void
comcninit(struct consdev *cp)
{
cp->cn_dev = com_init(cp->address, cp->speed);
}
int
comcngetchar(void *dev)
{
return com_getc(dev);
}
void
comcnputchar(void *dev, int c)
{
if (c == '\n')
com_putc(dev, '\r');
com_putc(dev, c);
}
int
comcnscan(void *dev)
{
return com_scankbd(dev);
}
#endif /* CONS_SERIAL */
#ifdef CONS_ZS
/*
* optional z85c30 serial console on Qube2700
*/
void
zscnprobe(struct consdev *cp)
{
if (*((uint32_t *)ZSPROBE) != 0 &&
cobalt_id == COBALT_ID_QUBE2700)
cp->cn_pri = CN_REMOTE;
}
void
zscninit(struct consdev *cp)
{
cp->cn_dev = zs_init(cp->address, cp->speed);
}
int
zscngetchar(void *dev)
{
return zs_getc(dev);
}
void
zscnputchar(void *dev, int c)
{
if (c == '\n')
zs_putc(dev, '\r');
zs_putc(dev, c);
}
int
zscnscan(void *dev)
{
return zs_scan(dev);
}
#endif /* CONS_ZS */
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