300 lines
7.3 KiB
C
300 lines
7.3 KiB
C
/* $NetBSD: fb.c,v 1.11 1995/10/08 01:39:19 pk Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1992, 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. 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.
|
|
*
|
|
* @(#)fb.c 8.1 (Berkeley) 6/11/93
|
|
*/
|
|
|
|
/*
|
|
* /dev/fb (indirect frame buffer driver). This is gross; we should
|
|
* just build cdevsw[] dynamically.
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/device.h>
|
|
#include <sys/proc.h>
|
|
|
|
#include <machine/autoconf.h>
|
|
#include <machine/fbio.h>
|
|
#include <machine/fbvar.h>
|
|
#if defined(SUN4)
|
|
#include <machine/eeprom.h>
|
|
#endif
|
|
|
|
static struct fbdevice *devfb;
|
|
|
|
void
|
|
fb_unblank()
|
|
{
|
|
|
|
if (devfb)
|
|
(*devfb->fb_driver->fbd_unblank)(devfb->fb_device);
|
|
}
|
|
|
|
void
|
|
fb_attach(fb)
|
|
struct fbdevice *fb;
|
|
{
|
|
|
|
if (devfb) panic("multiple /dev/fb declarers");
|
|
devfb = fb;
|
|
}
|
|
|
|
int
|
|
fbopen(dev, flags, mode, p)
|
|
dev_t dev;
|
|
int flags, mode;
|
|
struct proc *p;
|
|
{
|
|
|
|
if (devfb == NULL)
|
|
return (ENXIO);
|
|
return (devfb->fb_driver->fbd_open)(dev, flags, mode, p);
|
|
}
|
|
|
|
int
|
|
fbclose(dev, flags, mode, p)
|
|
dev_t dev;
|
|
int flags, mode;
|
|
struct proc *p;
|
|
{
|
|
|
|
return (devfb->fb_driver->fbd_close)(dev, flags, mode, p);
|
|
}
|
|
|
|
int
|
|
fbioctl(dev, cmd, data, flags, p)
|
|
dev_t dev;
|
|
u_long cmd;
|
|
caddr_t data;
|
|
int flags;
|
|
struct proc *p;
|
|
{
|
|
|
|
return (devfb->fb_driver->fbd_ioctl)(dev, cmd, data, flags, p);
|
|
}
|
|
|
|
int
|
|
fbmmap(dev, off, prot)
|
|
dev_t dev;
|
|
int off, prot;
|
|
{
|
|
int (*map)__P((dev_t, int, int)) = devfb->fb_driver->fbd_mmap;
|
|
|
|
if (map == NULL)
|
|
return (-1);
|
|
return (map(dev, off, prot));
|
|
}
|
|
|
|
void
|
|
fb_setsize(fb, depth, def_width, def_height, node, bustype)
|
|
struct fbdevice *fb;
|
|
int depth, def_width, def_height, node, bustype;
|
|
{
|
|
|
|
/*
|
|
* The defaults below match my screen, but are not guaranteed
|
|
* to be correct as defaults go...
|
|
*/
|
|
switch (bustype) {
|
|
case BUS_VME16:
|
|
case BUS_VME32:
|
|
case BUS_OBIO:
|
|
/* Set up some defaults. */
|
|
fb->fb_type.fb_width = def_width;
|
|
fb->fb_type.fb_height = def_height;
|
|
|
|
/*
|
|
* This is not particularly useful on Sun 4 VME framebuffers.
|
|
* The EEPROM only contains info about the built-in.
|
|
*/
|
|
if (cputyp == CPU_SUN4 && (bustype == BUS_VME16 ||
|
|
bustype == BUS_VME32))
|
|
goto donesize;
|
|
|
|
#if defined(SUN4)
|
|
if (cputyp==CPU_SUN4) {
|
|
struct eeprom *eep = (struct eeprom *)eeprom_va;
|
|
if (eep != NULL) {
|
|
switch (eep->eeScreenSize) {
|
|
case EE_SCR_1152X900:
|
|
fb->fb_type.fb_width = 1152;
|
|
fb->fb_type.fb_height = 900;
|
|
break;
|
|
|
|
case EE_SCR_1024X1024:
|
|
fb->fb_type.fb_width = 1024;
|
|
fb->fb_type.fb_height = 1024;
|
|
break;
|
|
|
|
case EE_SCR_1600X1280:
|
|
fb->fb_type.fb_width = 1600;
|
|
fb->fb_type.fb_height = 1280;
|
|
break;
|
|
|
|
case EE_SCR_1440X1440:
|
|
fb->fb_type.fb_width = 1440;
|
|
fb->fb_type.fb_height = 1440;
|
|
break;
|
|
|
|
default:
|
|
/*
|
|
* XXX: Do nothing, I guess.
|
|
* Should we print a warning about
|
|
* an unknown value? --thorpej
|
|
*/
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#endif /* SUN4 */
|
|
#if defined(SUN4M)
|
|
if (cputyp==CPU_SUN4M) {
|
|
/* XXX: need code to find 4/600 vme screen size */
|
|
}
|
|
#endif /* SUN4M */
|
|
|
|
donesize:
|
|
fb->fb_linebytes = (fb->fb_type.fb_width * depth) / 8;
|
|
break;
|
|
|
|
case BUS_SBUS:
|
|
fb->fb_type.fb_width = getpropint(node, "width", 1152);
|
|
fb->fb_type.fb_height = getpropint(node, "height", 900);
|
|
fb->fb_linebytes = getpropint(node, "linebytes",
|
|
(fb->fb_type.fb_width * depth) / 8);
|
|
break;
|
|
|
|
default:
|
|
panic("fb_setsize: inappropriate bustype");
|
|
/* NOTREACHED */
|
|
}
|
|
}
|
|
|
|
#ifdef RASTERCONSOLE
|
|
#include <machine/kbd.h>
|
|
|
|
extern int (*v_putc) __P((int));
|
|
|
|
static int
|
|
a2int(cp, deflt)
|
|
register char *cp;
|
|
register int deflt;
|
|
{
|
|
register int i = 0;
|
|
|
|
if (*cp == '\0')
|
|
return (deflt);
|
|
while (*cp != '\0')
|
|
i = i * 10 + *cp++ - '0';
|
|
return (i);
|
|
}
|
|
|
|
static void
|
|
fb_bell(on)
|
|
int on;
|
|
{
|
|
(void)kbd_docmd(on?KBD_CMD_BELL:KBD_CMD_NOBELL, 0);
|
|
}
|
|
|
|
#include <sparc/dev/rcons_font.h>
|
|
|
|
void
|
|
fbrcons_init(fb)
|
|
struct fbdevice *fb;
|
|
{
|
|
struct rconsole *rc = &fb->fb_rcons;
|
|
|
|
/*
|
|
* Common glue for rconsole initialization
|
|
* XXX - mostly duplicates values with fbdevice.
|
|
*/
|
|
rc->rc_linebytes = fb->fb_linebytes;
|
|
rc->rc_pixels = fb->fb_pixels;
|
|
rc->rc_width = fb->fb_type.fb_width;
|
|
rc->rc_height = fb->fb_type.fb_height;
|
|
rc->rc_depth = fb->fb_type.fb_depth;
|
|
/* Setup the static font */
|
|
rc->rc_font = &console_font;
|
|
|
|
#if defined(RASTERCONS_FULLSCREEN) || defined(RASTERCONS_SMALLFONT)
|
|
rc->rc_maxcol = rc->rc_width / rc->rc_font->width;
|
|
rc->rc_maxrow = rc->rc_height / rc->rc_font->height;
|
|
#else
|
|
#if defined(SUN4)
|
|
if (cputyp == CPU_SUN4) {
|
|
struct eeprom *eep = (struct eeprom *)eeprom_va;
|
|
|
|
if (eep == NULL) {
|
|
rc->rc_maxcol = 80;
|
|
rc->rc_maxrow = 34;
|
|
} else {
|
|
rc->rc_maxcol = eep->eeTtyCols;
|
|
rc->rc_maxrow = eep->eeTtyRows;
|
|
}
|
|
}
|
|
#endif /* SUN4 */
|
|
#if defined(SUN4C) || defined(SUN4M)
|
|
if (cputyp != CPU_SUN4) {
|
|
rc->rc_maxcol =
|
|
a2int(getpropstring(optionsnode, "screen-#columns"), 80);
|
|
rc->rc_maxrow =
|
|
a2int(getpropstring(optionsnode, "screen-#rows"), 34);
|
|
}
|
|
#endif /* SUN4C || SUN4M */
|
|
#endif /* RASTERCONS_FULLSCREEN || RASTERCONS_SMALLFONT */
|
|
|
|
#if !(defined(RASTERCONS_FULLSCREEN) || defined(RASTERCONS_SMALLFONT))
|
|
/* Determine addresses of prom emulator row and column */
|
|
if (cputyp == CPU_SUN4 ||
|
|
romgetcursoraddr(&rc->rc_row, &rc->rc_col))
|
|
#endif
|
|
rc->rc_row = rc->rc_col = NULL;
|
|
|
|
rc->rc_bell = fb_bell;
|
|
rcons_init(rc);
|
|
/* Hook up virtual console */
|
|
v_putc = (int (*) __P((int)))rcons_cnputc;
|
|
}
|
|
#endif
|