NetBSD/sys/arch/hp300/dev/grf_rb.c

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/* $NetBSD: grf_rb.c,v 1.7 1996/03/03 16:49:02 thorpej Exp $ */
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/*
* Copyright (c) 1996 Jason R. Thorpe. All rights reserved.
* Copyright (c) 1988 University of Utah.
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* 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. 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.
*
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* from: Utah $Hdr: grf_rb.c 1.15 93/08/13$
*
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* @(#)grf_rb.c 8.4 (Berkeley) 1/12/94
*/
#include "grf.h"
#if NGRF > 0
/*
* Graphics routines for the Renaissance, HP98720 Graphics system.
*/
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#include <sys/param.h>
#include <sys/conf.h>
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#include <sys/errno.h>
#include <sys/proc.h>
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <sys/systm.h>
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <dev/cons.h>
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#include <hp300/dev/grfioctl.h>
#include <hp300/dev/grfvar.h>
#include <hp300/dev/grfreg.h>
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#include <hp300/dev/grf_rbreg.h>
#include <hp300/dev/itevar.h>
#include <hp300/dev/itereg.h>
#include "ite.h"
int rb_init __P((struct grf_data *gp, int, caddr_t));
int rb_mode __P((struct grf_data *gp, int, caddr_t));
/* Renaissance grf switch */
struct grfsw rbox_grfsw = {
GID_RENAISSANCE, GRFRBOX, "renaissance", rb_init, rb_mode
};
#if NITE > 0
void rbox_init __P((struct ite_data *));
void rbox_deinit __P((struct ite_data *));
void rbox_putc __P((struct ite_data *, int, int, int, int));
void rbox_cursor __P((struct ite_data *, int));
void rbox_clear __P((struct ite_data *, int, int, int, int));
void rbox_scroll __P((struct ite_data *, int, int, int, int));
void rbox_windowmove __P((struct ite_data *, int, int, int, int,
int, int, int));
/* Renaissance ite switch */
struct itesw rbox_itesw = {
rbox_init, rbox_deinit, rbox_clear, rbox_putc,
rbox_cursor, rbox_scroll, ite_readbyte, ite_writeglyph
};
#endif /* NITE > 0 */
/*
* Initialize hardware.
* Must point g_display at a grfinfo structure describing the hardware.
* Returns 0 if hardware not present, non-zero ow.
*/
int
rb_init(gp, scode, addr)
struct grf_data *gp;
int scode;
caddr_t addr;
{
register struct rboxfb *rbp;
struct grfinfo *gi = &gp->g_display;
int fboff;
extern caddr_t sctopa(), iomap();
/*
* If the console has been initialized, and it was us, there's
* no need to repeat this.
*/
if (consinit_active || (scode != conscode)) {
rbp = (struct rboxfb *) addr;
if (ISIIOVA(addr))
gi->gd_regaddr = (caddr_t) IIOP(addr);
else
gi->gd_regaddr = sctopa(scode);
gi->gd_regsize = 0x20000;
gi->gd_fbwidth = (rbp->fbwmsb << 8) | rbp->fbwlsb;
gi->gd_fbheight = (rbp->fbhmsb << 8) | rbp->fbhlsb;
gi->gd_fbsize = gi->gd_fbwidth * gi->gd_fbheight;
fboff = (rbp->fbomsb << 8) | rbp->fbolsb;
gi->gd_fbaddr = (caddr_t) (*((u_char *)addr + fboff) << 16);
if (gi->gd_regaddr >= (caddr_t)DIOIIBASE) {
/*
* For DIO II space the fbaddr just computed is
* the offset from the select code base (regaddr)
* of the framebuffer. Hence it is also implicitly
* the size of the register set.
*/
gi->gd_regsize = (int) gi->gd_fbaddr;
gi->gd_fbaddr += (int) gi->gd_regaddr;
gp->g_regkva = addr;
gp->g_fbkva = addr + gi->gd_regsize;
} else {
/*
* For DIO space we need to map the seperate
* framebuffer.
*/
gp->g_regkva = addr;
gp->g_fbkva = iomap(gi->gd_fbaddr, gi->gd_fbsize);
}
gi->gd_dwidth = (rbp->dwmsb << 8) | rbp->dwlsb;
gi->gd_dheight = (rbp->dwmsb << 8) | rbp->dwlsb;
gi->gd_planes = 0; /* ?? */
gi->gd_colors = 256;
}
return(1);
}
/*
* Change the mode of the display.
* Right now all we can do is grfon/grfoff.
* Return a UNIX error number or 0 for success.
*/
int
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rb_mode(gp, cmd, data)
register struct grf_data *gp;
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int cmd;
caddr_t data;
{
register struct rboxfb *rbp;
int error = 0;
rbp = (struct rboxfb *) gp->g_regkva;
switch (cmd) {
/*
* The minimal register info here is from the Renaissance X driver.
*/
case GM_GRFON:
case GM_GRFOFF:
break;
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case GM_GRFOVON:
rbp->write_enable = 0;
rbp->opwen = 0xF;
rbp->drive = 0x10;
break;
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case GM_GRFOVOFF:
rbp->opwen = 0;
rbp->write_enable = 0xffffffff;
rbp->drive = 0x01;
break;
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/*
* Remember UVA of mapping for GCDESCRIBE.
* XXX this should be per-process.
*/
case GM_MAP:
gp->g_data = data;
break;
case GM_UNMAP:
gp->g_data = 0;
break;
#ifdef COMPAT_HPUX
case GM_DESCRIBE:
{
struct grf_fbinfo *fi = (struct grf_fbinfo *)data;
struct grfinfo *gi = &gp->g_display;
int i;
/* feed it what HP-UX expects */
fi->id = gi->gd_id;
fi->mapsize = gi->gd_fbsize;
fi->dwidth = gi->gd_dwidth;
fi->dlength = gi->gd_dheight;
fi->width = gi->gd_fbwidth;
fi->length = gi->gd_fbheight;
fi->bpp = NBBY;
fi->xlen = (fi->width * fi->bpp) / NBBY;
fi->npl = gi->gd_planes;
fi->bppu = fi->npl;
fi->nplbytes = fi->xlen * ((fi->length * fi->bpp) / NBBY);
bcopy("HP98720", fi->name, 8);
fi->attr = 2; /* HW block mover */
/*
* If mapped, return the UVA where mapped.
*/
if (gp->g_data) {
fi->regbase = gp->g_data;
fi->fbbase = fi->regbase + gp->g_display.gd_regsize;
} else {
fi->fbbase = 0;
fi->regbase = 0;
}
for (i = 0; i < 6; i++)
fi->regions[i] = 0;
break;
}
#endif
default:
error = EINVAL;
break;
}
return(error);
}
#if NITE > 0
/*
* Renaissance ite routines
*/
#define REGBASE ((struct rboxfb *)(ip->regbase))
#define WINDOWMOVER rbox_windowmove
void
rbox_init(ip)
struct ite_data *ip;
{
register int i;
/* XXX */
if (ip->regbase == 0) {
struct grf_data *gp = ip->grf;
ip->regbase = gp->g_regkva;
ip->fbbase = gp->g_fbkva;
ip->fbwidth = gp->g_display.gd_fbwidth;
ip->fbheight = gp->g_display.gd_fbheight;
ip->dwidth = gp->g_display.gd_dwidth;
ip->dheight = gp->g_display.gd_dheight;
/*
* XXX some displays (e.g. the davinci) appear
* to return a display height greater than the
* returned FB height. Guess we should go back
* to getting the display dimensions from the
* fontrom...
*/
if (ip->dwidth > ip->fbwidth)
ip->dwidth = ip->fbwidth;
if (ip->dheight > ip->fbheight)
ip->dheight = ip->fbheight;
}
rb_waitbusy(ip->regbase);
REGBASE->reset = 0x39;
DELAY(1000);
REGBASE->interrupt = 0x04;
REGBASE->display_enable = 0x01;
REGBASE->video_enable = 0x01;
REGBASE->drive = 0x01;
REGBASE->vdrive = 0x0;
ite_fontinfo(ip);
REGBASE->opwen = 0xFF;
/*
* Clear the framebuffer.
*/
rbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
rb_waitbusy(ip->regbase);
for(i = 0; i < 16; i++) {
*(ip->regbase + 0x63c3 + i*4) = 0x0;
*(ip->regbase + 0x6403 + i*4) = 0x0;
*(ip->regbase + 0x6803 + i*4) = 0x0;
*(ip->regbase + 0x6c03 + i*4) = 0x0;
*(ip->regbase + 0x73c3 + i*4) = 0x0;
*(ip->regbase + 0x7403 + i*4) = 0x0;
*(ip->regbase + 0x7803 + i*4) = 0x0;
*(ip->regbase + 0x7c03 + i*4) = 0x0;
}
REGBASE->rep_rule = 0x33;
/*
* I cannot figure out how to make the blink planes stop. So, we
* must set both colormaps so that when the planes blink, and
* the secondary colormap is active, we still get text.
*/
CM1RED[0x00].value = 0x00;
CM1GRN[0x00].value = 0x00;
CM1BLU[0x00].value = 0x00;
CM1RED[0x01].value = 0xFF;
CM1GRN[0x01].value = 0xFF;
CM1BLU[0x01].value = 0xFF;
CM2RED[0x00].value = 0x00;
CM2GRN[0x00].value = 0x00;
CM2BLU[0x00].value = 0x00;
CM2RED[0x01].value = 0xFF;
CM2GRN[0x01].value = 0xFF;
CM2BLU[0x01].value = 0xFF;
REGBASE->blink = 0x00;
REGBASE->write_enable = 0x01;
REGBASE->opwen = 0x00;
ite_fontinit(ip);
/*
* Stash the inverted cursor.
*/
rbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
ip->cblanky, ip->cblankx, ip->ftheight,
ip->ftwidth, RR_COPYINVERTED);
}
void
rbox_deinit(ip)
struct ite_data *ip;
{
rbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
rb_waitbusy(ip->regbase);
ip->flags &= ~ITE_INITED;
}
void
rbox_putc(ip, c, dy, dx, mode)
struct ite_data *ip;
int dy, dx, c, mode;
{
register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
rbox_windowmove(ip, charY(ip, c), charX(ip, c),
dy * ip->ftheight, dx * ip->ftwidth,
ip->ftheight, ip->ftwidth, wrr);
}
void
rbox_cursor(ip, flag)
struct ite_data *ip;
int flag;
{
if (flag == DRAW_CURSOR)
draw_cursor(ip)
else if (flag == MOVE_CURSOR) {
erase_cursor(ip)
draw_cursor(ip)
}
else
erase_cursor(ip)
}
void
rbox_clear(ip, sy, sx, h, w)
struct ite_data *ip;
int sy, sx, h, w;
{
rbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
sy * ip->ftheight, sx * ip->ftwidth,
h * ip->ftheight, w * ip->ftwidth,
RR_CLEAR);
}
void
rbox_scroll(ip, sy, sx, count, dir)
struct ite_data *ip;
int sy, count, dir, sx;
{
register int dy;
register int dx = sx;
register int height = 1;
register int width = ip->cols;
if (dir == SCROLL_UP) {
dy = sy - count;
height = ip->rows - sy;
}
else if (dir == SCROLL_DOWN) {
dy = sy + count;
height = ip->rows - dy - 1;
}
else if (dir == SCROLL_RIGHT) {
dy = sy;
dx = sx + count;
width = ip->cols - dx;
}
else {
dy = sy;
dx = sx - count;
width = ip->cols - sx;
}
rbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
dy * ip->ftheight, dx * ip->ftwidth,
height * ip->ftheight,
width * ip->ftwidth, RR_COPY);
}
void
rbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
struct ite_data *ip;
int sy, sx, dy, dx, h, w, func;
{
register struct rboxfb *rp = REGBASE;
if (h == 0 || w == 0)
return;
rb_waitbusy(ip->regbase);
rp->rep_rule = func << 4 | func;
rp->source_y = sy;
rp->source_x = sx;
rp->dest_y = dy;
rp->dest_x = dx;
rp->wheight = h;
rp->wwidth = w;
rp->wmove = 1;
}
/*
* Renaissance console support
*/
int
rbox_console_scan(scode, va, arg)
int scode;
caddr_t va;
void *arg;
{
struct grfreg *grf = (struct grfreg *)va;
struct consdev *cp = arg;
u_char *dioiidev;
int force = 0, pri;
if ((grf->gr_id == GRFHWID) && (grf->gr_id2 == GID_RENAISSANCE)) {
pri = CN_NORMAL;
#ifdef CONSCODE
/*
* Raise our priority, if appropriate.
*/
if (scode == CONSCODE) {
pri = CN_REMOTE;
force = conforced = 1;
}
#endif
/* Only raise priority. */
if (pri > cp->cn_pri)
cp->cn_pri = pri;
/*
* If our priority is higher than the currently-remembered
* console, stash our priority.
*/
if (((cn_tab == NULL) || (cp->cn_pri > cn_tab->cn_pri))
|| force) {
cn_tab = cp;
if (scode >= 132) {
dioiidev = (u_char *)va;
return ((dioiidev[0x101] + 1) * 0x100000);
}
return (DIOCSIZE);
}
}
return (0);
}
void
rboxcnprobe(cp)
struct consdev *cp;
{
int maj;
caddr_t va;
struct grfreg *grf;
int force = 0;
maj = ite_major();
/* initialize required fields */
cp->cn_dev = makedev(maj, 0); /* XXX */
cp->cn_pri = CN_DEAD;
/* Abort early if console is already forced. */
if (conforced)
return;
/* Look for "internal" framebuffer. */
va = (caddr_t)IIOV(GRFIADDR);
grf = (struct grfreg *)va;
if (!badaddr(va) &&
((grf->gr_id == GRFHWID) && (grf->gr_id2 == GID_RENAISSANCE))) {
cp->cn_pri = CN_INTERNAL;
#ifdef CONSCODE
/*
* Raise our priority and save some work, if appropriate.
*/
if (CONSCODE == -1) {
cp->cn_pri = CN_REMOTE;
force = conforced = 1;
}
#endif
/*
* If our priority is higher than the currently
* remembered console, stash our priority, and
* unmap whichever device might be currently mapped.
* Since we're internal, we set the saved size to 0
* so they don't attempt to unmap our fixed VA later.
*/
if (((cn_tab == NULL) || (cp->cn_pri > cn_tab->cn_pri))
|| force) {
cn_tab = cp;
if (convasize)
iounmap(conaddr, convasize);
conscode = -1;
conaddr = va;
convasize = 0;
}
}
console_scan(rbox_console_scan, cp);
}
void
rboxcninit(cp)
struct consdev *cp;
{
struct ite_data *ip = &ite_cn;
struct grf_data *gp = &grf_cn;
/*
* Initialize the framebuffer hardware.
*/
(void)rb_init(gp, conscode, conaddr);
/*
* Set up required grf data.
*/
gp->g_sw = &rbox_grfsw;
gp->g_display.gd_id = gp->g_sw->gd_swid;
gp->g_flags = GF_ALIVE;
/*
* Set up required ite data and initialize ite.
*/
ip->isw = &rbox_itesw;
ip->grf = gp;
ip->flags = ITE_ALIVE|ITE_CONSOLE|ITE_ACTIVE|ITE_ISCONS;
ip->attrbuf = console_attributes;
iteinit(ip);
kbd_ite = ip; /* XXX */
}
#endif /* NITE > 0 */
#endif /* NGRF > 0 */