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NetBSD/sys/arch/hp300/dev/grf_dv.c
thorpej 871cf5e7ce Update for changes to config.
1998-01-12 18:30:41 +00:00

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/* $NetBSD: grf_dv.c,v 1.14 1998/01/12 18:30:54 thorpej Exp $ */
/*-
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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 NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* 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. 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: Utah $Hdr: grf_dv.c 1.12 93/08/13$
*
* @(#)grf_dv.c 8.4 (Berkeley) 1/12/94
*/
/*
* Graphics routines for the DaVinci, HP98730/98731 Graphics system.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/proc.h>
#include <sys/tty.h>
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <dev/cons.h>
#include <hp300/dev/diovar.h>
#include <hp300/dev/diodevs.h>
#include <hp300/dev/intiovar.h>
#include <hp300/dev/grfioctl.h>
#include <hp300/dev/grfvar.h>
#include <hp300/dev/grfreg.h>
#include <hp300/dev/grf_dvreg.h>
#include <hp300/dev/itevar.h>
#include <hp300/dev/itereg.h>
#include "ite.h"
int dv_init __P((struct grf_data *, int, caddr_t));
int dv_mode __P((struct grf_data *, int, caddr_t));
void dv_reset __P((struct dvboxfb *));
int dvbox_intio_match __P((struct device *, struct cfdata *, void *));
void dvbox_intio_attach __P((struct device *, struct device *, void *));
int dvbox_dio_match __P((struct device *, struct cfdata *, void *));
void dvbox_dio_attach __P((struct device *, struct device *, void *));
int dvbox_console_scan __P((int, caddr_t, void *));
void dvboxcnprobe __P((struct consdev *cp));
void dvboxcninit __P((struct consdev *cp));
struct cfattach dvbox_intio_ca = {
sizeof(struct grfdev_softc), dvbox_intio_match, dvbox_intio_attach
};
struct cfattach dvbox_dio_ca = {
sizeof(struct grfdev_softc), dvbox_dio_match, dvbox_dio_attach
};
/* DaVinci grf switch */
struct grfsw dvbox_grfsw = {
GID_DAVINCI, GRFDAVINCI, "dvbox", dv_init, dv_mode
};
#if NITE > 0
void dvbox_init __P((struct ite_data *));
void dvbox_deinit __P((struct ite_data *));
void dvbox_putc __P((struct ite_data *, int, int, int, int));
void dvbox_cursor __P((struct ite_data *, int));
void dvbox_clear __P((struct ite_data *, int, int, int, int));
void dvbox_scroll __P((struct ite_data *, int, int, int, int));
void dvbox_windowmove __P((struct ite_data *, int, int, int, int,
int, int, int));
/* DaVinci ite switch */
struct itesw dvbox_itesw = {
dvbox_init, dvbox_deinit, dvbox_clear, dvbox_putc,
dvbox_cursor, dvbox_scroll, ite_readbyte, ite_writeglyph
};
#endif /* NITE > 0 */
int
dvbox_intio_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct intio_attach_args *ia = aux;
struct grfreg *grf;
grf = (struct grfreg *)IIOV(GRFIADDR);
if (badaddr((caddr_t)grf))
return (0);
if (grf->gr_id == DIO_DEVICE_ID_FRAMEBUFFER &&
grf->gr_id2 == DIO_DEVICE_SECID_DAVINCI) {
ia->ia_addr = (bus_addr_t)GRFIADDR;
return (1);
}
return (0);
}
void
dvbox_intio_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct grfdev_softc *sc = (struct grfdev_softc *)self;
caddr_t grf;
grf = (caddr_t)IIOV(GRFIADDR);
sc->sc_scode = -1; /* XXX internal i/o */
grfdev_attach(sc, dv_init, grf, &dvbox_grfsw);
}
int
dvbox_dio_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct dio_attach_args *da = aux;
if (da->da_id == DIO_DEVICE_ID_FRAMEBUFFER &&
da->da_secid == DIO_DEVICE_SECID_DAVINCI)
return (1);
return (0);
}
void
dvbox_dio_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct grfdev_softc *sc = (struct grfdev_softc *)self;
struct dio_attach_args *da = aux;
caddr_t grf;
sc->sc_scode = da->da_scode;
if (sc->sc_scode == conscode)
grf = conaddr;
else {
grf = iomap(dio_scodetopa(sc->sc_scode), da->da_size);
if (grf == 0) {
printf("%s: can't map framebuffer\n",
sc->sc_dev.dv_xname);
return;
}
}
grfdev_attach(sc, dv_init, grf, &dvbox_grfsw);
}
/*
* Initialize hardware.
* Must point g_display at a grfinfo structure describing the hardware.
* Returns 0 if hardware not present, non-zero ow.
*/
int
dv_init(gp, scode, addr)
struct grf_data *gp;
int scode;
caddr_t addr;
{
struct dvboxfb *dbp;
struct grfinfo *gi = &gp->g_display;
int fboff;
/*
* If the console has been initialized, and it was us, there's
* no need to repeat this.
*/
if (consinit_active || (scode != conscode)) {
dbp = (struct dvboxfb *) addr;
if (ISIIOVA(addr))
gi->gd_regaddr = (caddr_t) IIOP(addr);
else
gi->gd_regaddr = dio_scodetopa(scode);
gi->gd_regsize = 0x20000;
gi->gd_fbwidth = (dbp->fbwmsb << 8) | dbp->fbwlsb;
gi->gd_fbheight = (dbp->fbhmsb << 8) | dbp->fbhlsb;
gi->gd_fbsize = gi->gd_fbwidth * gi->gd_fbheight;
fboff = (dbp->fbomsb << 8) | dbp->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 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 = (dbp->dwmsb << 8) | dbp->dwlsb;
gi->gd_dheight = (dbp->dwmsb << 8) | dbp->dwlsb;
gi->gd_planes = 0; /* ?? */
gi->gd_colors = 256;
dv_reset(dbp);
}
return(1);
}
/*
* Magic code herein.
*/
void
dv_reset(dbp)
struct dvboxfb *dbp;
{
dbp->reset = 0x80;
DELAY(100);
dbp->interrupt = 0x04;
dbp->en_scan = 0x01;
dbp->fbwen = ~0;
dbp->opwen = ~0;
dbp->fold = 0x01;
dbp->drive = 0x01;
dbp->rep_rule = 0x33;
dbp->alt_rr = 0x33;
dbp->zrr = 0x33;
dbp->fbvenp = 0xFF;
dbp->dispen = 0x01;
dbp->fbvens = 0x0;
dbp->fv_trig = 0x01;
DELAY(100);
dbp->vdrive = 0x0;
dbp->zconfig = 0x0;
while (dbp->wbusy & 0x01)
DELAY(100);
dbp->cmapbank = 0;
dbp->red0 = 0;
dbp->red1 = 0;
dbp->green0 = 0;
dbp->green1 = 0;
dbp->blue0 = 0;
dbp->blue1 = 0;
dbp->panxh = 0;
dbp->panxl = 0;
dbp->panyh = 0;
dbp->panyl = 0;
dbp->zoom = 0;
dbp->cdwidth = 0x50;
dbp->chstart = 0x52;
dbp->cvwidth = 0x22;
dbp->pz_trig = 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
dv_mode(gp, cmd, data)
struct grf_data *gp;
int cmd;
caddr_t data;
{
struct dvboxfb *dbp;
int error = 0;
dbp = (struct dvboxfb *) gp->g_regkva;
switch (cmd) {
case GM_GRFON:
dbp->dispen = 0x01;
break;
case GM_GRFOFF:
break;
case GM_GRFOVON:
dbp->opwen = 0xF;
dbp->drive = 0x10;
break;
case GM_GRFOVOFF:
dbp->opwen = 0;
dbp->drive = 0x01;
break;
/*
* 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("HP98730", 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
/*
* DaVinci ite routines
*/
#define REGBASE ((struct dvboxfb *)(ip->regbase))
#define WINDOWMOVER dvbox_windowmove
void
dvbox_init(ip)
struct ite_data *ip;
{
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;
}
dv_reset((struct dvboxfb *)ip->regbase);
/*
* Turn on frame buffer, turn on overlay planes, set replacement
* rule, enable top overlay plane writes for ite, disable all frame
* buffer planes, set byte per pixel, and display frame buffer 0.
* Lastly, turn on the box.
*/
REGBASE->interrupt = 0x04;
REGBASE->drive = 0x10;
REGBASE->rep_rule = RR_COPY << 4 | RR_COPY;
REGBASE->opwen = 0x01;
REGBASE->fbwen = 0x0;
REGBASE->fold = 0x01;
REGBASE->vdrive = 0x0;
REGBASE->dispen = 0x01;
/*
* Video enable top overlay plane.
*/
REGBASE->opvenp = 0x01;
REGBASE->opvens = 0x01;
/*
* Make sure that overlay planes override frame buffer planes.
*/
REGBASE->ovly0p = 0x0;
REGBASE->ovly0s = 0x0;
REGBASE->ovly1p = 0x0;
REGBASE->ovly1s = 0x0;
REGBASE->fv_trig = 0x1;
DELAY(100);
/*
* Setup the overlay colormaps. Need to set the 0,1 (black/white)
* color for both banks.
*/
for (i = 0; i <= 1; i++) {
REGBASE->cmapbank = i;
REGBASE->rgb[0].red = 0x00;
REGBASE->rgb[0].green = 0x00;
REGBASE->rgb[0].blue = 0x00;
REGBASE->rgb[1].red = 0xFF;
REGBASE->rgb[1].green = 0xFF;
REGBASE->rgb[1].blue = 0xFF;
}
REGBASE->cmapbank = 0;
db_waitbusy(ip->regbase);
ite_fontinfo(ip);
ite_fontinit(ip);
/*
* Clear the (visible) framebuffer.
*/
dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
db_waitbusy(ip->regbase);
/*
* Stash the inverted cursor.
*/
dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
ip->cblanky, ip->cblankx, ip->ftheight,
ip->ftwidth, RR_COPYINVERTED);
}
void
dvbox_deinit(ip)
struct ite_data *ip;
{
dvbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
db_waitbusy(ip->regbase);
ip->flags &= ~ITE_INITED;
}
void
dvbox_putc(ip, c, dy, dx, mode)
struct ite_data *ip;
int dy, dx, c, mode;
{
int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
dvbox_windowmove(ip, charY(ip, c), charX(ip, c),
dy * ip->ftheight, dx * ip->ftwidth,
ip->ftheight, ip->ftwidth, wrr);
}
void
dvbox_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
dvbox_clear(ip, sy, sx, h, w)
struct ite_data *ip;
int sy, sx, h, w;
{
dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
sy * ip->ftheight, sx * ip->ftwidth,
h * ip->ftheight, w * ip->ftwidth,
RR_CLEAR);
}
void
dvbox_scroll(ip, sy, sx, count, dir)
struct ite_data *ip;
int sy, count, dir, sx;
{
int dy;
int dx = sx;
int height = 1;
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;
}
dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
dy * ip->ftheight, dx * ip->ftwidth,
height * ip->ftheight,
width * ip->ftwidth, RR_COPY);
}
void
dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
struct ite_data *ip;
int sy, sx, dy, dx, h, w, func;
{
struct dvboxfb *dp = REGBASE;
if (h == 0 || w == 0)
return;
db_waitbusy(ip->regbase);
dp->rep_rule = func << 4 | func;
dp->source_y = sy;
dp->source_x = sx;
dp->dest_y = dy;
dp->dest_x = dx;
dp->wheight = h;
dp->wwidth = w;
dp->wmove = 1;
}
/*
* DaVinci console support
*/
int
dvbox_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_DAVINCI)) {
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
dvboxcnprobe(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_DAVINCI))) {
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(dvbox_console_scan, cp);
}
void
dvboxcninit(cp)
struct consdev *cp;
{
struct grf_data *gp = &grf_cn;
/*
* Initialize the framebuffer hardware.
*/
(void)dv_init(gp, conscode, conaddr);
/*
* Set up required grf data.
*/
gp->g_sw = &dvbox_grfsw;
gp->g_display.gd_id = gp->g_sw->gd_swid;
gp->g_flags = GF_ALIVE;
/*
* Initialize the terminal emulator.
*/
itecninit(gp, &dvbox_itesw);
}
#endif /* NITE > 0 */
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