4.4BSD/usr/src/sys/news3400/fb/fb_probe.c
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc.
*
* 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. 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, Berkeley and its contributors.
* 4. 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: $Hdr: fb_probe.c,v 4.300 91/06/09 06:32:57 root Rel41 $ SONY
*
* @(#)fb_probe.c 8.1 (Berkeley) 6/11/93
*/
#ifdef IPC_MRX
#include "../../iop/framebuf.h"
#include "types.h"
#include "exec.h"
#include "romsw.h"
#else
#include <news3400/iop/framebuf.h>
#include <sys/types.h>
#include <sys/exec.h>
#endif
#include <news3400/fb/fbdefs.h>
#ifdef CPU_SINGLE
#define SW_CONSOLE 0x07
#define SW_NWB512 0x04
#define SW_NWB225 0x01
#define SW_FBPOP 0x02
#define SW_FBPOP1 0x06
#define SW_FBPOP2 0x03
#define SW_AUTOSEL 0x07
#endif
struct fbdev *consfb;
int nfbdev = 0;
static int cons_dev = -1;
extern struct fbdevsw fbdevsw[];
#ifdef news3400
struct autodev autodev[] = {
-1, (char *)0xb8600000, (char *)0xb8610000,
-1, (char *)0xb8620000, (char *)0xb8630000,
-1, (char *)0xb8640000, (char *)0xb8650000,
-1, (char *)0xb8660000, (char *)0xb8670000,
-1, (char *)0xb8680000, (char *)0xb8690000,
-1, (char *)0xb86a0000, (char *)0xb86b0000,
-1, (char *)0xb86c0000, (char *)0xb86d0000,
-1, (char *)0xb86e0000, (char *)0xb86f0000,
};
#define AUTOSEL 1
#endif /* news3400 */
#ifdef news3800
struct autodev autodev[] = {
-1, (char *)0xee600000, (char *)0xee610000,
-1, (char *)0xee620000, (char *)0xee630000,
-1, (char *)0xee640000, (char *)0xee650000,
-1, (char *)0xee660000, (char *)0xee670000,
-1, (char *)0xee680000, (char *)0xee690000,
-1, (char *)0xee6a0000, (char *)0xee6b0000,
-1, (char *)0xee6c0000, (char *)0xee6d0000,
-1, (char *)0xee6e0000, (char *)0xee6f0000,
};
#define AUTOSEL 1
#endif /* news3800 */
search_fbdev(type, unit)
int type;
int unit;
{
register int i;
if (type == 0) {
if (cons_dev < 0)
return (unit < nfbdev ? unit : -1);
if (unit == 0)
return (cons_dev);
for (i = 0; i < nfbdev; i++)
if (i != cons_dev && --unit == 0)
return (i);
} else {
for (i = 0; i < nfbdev; i++)
if (fbdev[i].type == type && fbdev[i].unit == unit)
return(i);
}
return (-1);
}
#ifdef AUTOSEL
search_autocons()
{
register int i;
for (i = 0; i < 8; i++)
if (autodev[i].type != -1)
return (autodev[i].type);
return (-1);
}
fb_auto_probe()
{
register int i;
for (i = 0; i < 8; i++) {
if (badaddr(autodev[i].base, 1)) {
autodev[i].type = -1;
continue;
}
if (*(long *)autodev[i].base != OMAGIC) {
autodev[i].type = 1;
continue;
}
switch((*(int *)(autodev[i].base + 0x20))) {
case 0:
autodev[i].type = FB_NWB514;
break;
case 1:
autodev[i].type = FB_NWB251;
break;
case 2:
autodev[i].type = FB_NWB518;
break;
case 3:
case 8:
autodev[i].type = FB_NWB254;
break;
case 4:
case 0x10004:
case 0x20004:
autodev[i].type = FB_NWB257;
break;
case 0x10005:
case 0x20005:
autodev[i].type = FB_NWB256;
break;
case 6:
autodev[i].type = FB_SLB101;
break;
case 7:
autodev[i].type = FB_NWB255;
break;
default:
autodev[i].type = -1;
break;
}
}
}
#endif /* AUTOSEL */
cons_probe(dipsw)
int dipsw;
{
switch (dipsw & SW_CONSOLE) {
case SW_NWB225:
cons_dev = search_fbdev(FB_NWB225, 0);
break;
case SW_NWB512:
cons_dev = search_fbdev(FB_NWB512, 0);
break;
#ifdef CPU_SINGLE
case SW_FBPOP:
case SW_FBPOP1:
case SW_FBPOP2:
if ((cons_dev = search_fbdev(FB_LCDM, 0)) >= 0)
break;
if ((cons_dev = search_fbdev(FB_POPM, 0)) >= 0)
break;
if ((cons_dev = search_fbdev(FB_POPC, 0)) >= 0)
break;
if ((cons_dev = search_fbdev(FB_NWB252, 0)) >= 0)
break;
if ((cons_dev = search_fbdev(FB_NWB253, 0)) >= 0)
break;
break;
#endif /* CPU_SINGLE */
#ifdef AUTOSEL
case SW_AUTOSEL:
cons_dev = search_fbdev(search_autocons(), 0);
break;
#endif
default:
cons_dev = -1;
break;
}
if (cons_dev == -1)
consfb = 0;
else
consfb = &fbdev[cons_dev];
}
void fbbm_probe(dipsw)
int dipsw;
{
register int i, j;
register struct fbdevsw *pfsw = fbdevsw;
j = 0;
#ifdef AUTOSEL
fb_auto_probe();
#endif
while (pfsw->num) {
for (i = 0; i < pfsw->num; i++) {
if (fbdev[j].type = (*pfsw->fb_probe)(i, &fbdev[j])) {
fbdev[j].unit = i;
(*pfsw->fb_setup)(&fbdev[j], dipsw);
j++;
}
}
pfsw++;
}
nfbdev = j;
cons_probe(dipsw);
}