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

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/* $NetBSD: grf_tc.c,v 1.7 1996/03/03 16:49:04 thorpej Exp $ */
/*
* Copyright (c) 1996 Jason R. Thorpe. All rights reserved.
* 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 $Hdr: grf_tc.c 1.20 93/08/13$
*
* @(#)grf_tc.c 8.4 (Berkeley) 1/12/94
*/
#include "grf.h"
#if NGRF > 0
/*
* Graphics routines for TOPCAT and CATSEYE frame buffers
*/
#include <sys/param.h>
#include <sys/conf.h>
#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>
#include <hp300/dev/grfioctl.h>
#include <hp300/dev/grfvar.h>
#include <hp300/dev/grfreg.h>
#include <hp300/dev/grf_tcreg.h>
#include <hp300/dev/itevar.h>
#include <hp300/dev/itereg.h>
#include "ite.h"
int tc_init __P((struct grf_data *, int, caddr_t));
int tc_mode __P((struct grf_data *, int, caddr_t));
/* Topcat (bobcat) grf switch */
struct grfsw topcat_grfsw = {
GID_TOPCAT, GRFBOBCAT, "topcat", tc_init, tc_mode
};
/* Lo-res catseye grf switch */
struct grfsw lrcatseye_grfsw = {
GID_LRCATSEYE, GRFCATSEYE, "lo-res catseye", tc_init, tc_mode
};
/* Hi-res catseye grf switch */
struct grfsw hrcatseye_grfsw = {
GID_HRCCATSEYE, GRFCATSEYE, "hi-res catseye", tc_init, tc_mode
};
/* Hi-res monochrome catseye grf switch */
struct grfsw hrmcatseye_grfsw = {
GID_HRMCATSEYE, GRFCATSEYE, "hi-res catseye", tc_init, tc_mode
};
#if NITE > 0
void topcat_init __P((struct ite_data *));
void topcat_deinit __P((struct ite_data *));
void topcat_putc __P((struct ite_data *, int, int, int, int));
void topcat_cursor __P((struct ite_data *, int));
void topcat_clear __P((struct ite_data *, int, int, int, int));
void topcat_scroll __P((struct ite_data *, int, int, int, int));
void topcat_windowmove __P((struct ite_data *, int, int, int, int,
int, int, int));
/* Topcat/catseye ite switch */
struct itesw topcat_itesw = {
topcat_init, topcat_deinit, topcat_clear, topcat_putc,
topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph
};
#endif /* NITE > 0 */
/*
* Initialize hardware.
* Must fill in the grfinfo structure in g_softc.
* Returns 0 if hardware not present, non-zero ow.
*/
int
tc_init(gp, scode, addr)
struct grf_data *gp;
int scode;
caddr_t addr;
{
register struct tcboxfb *tp = (struct tcboxfb *) addr;
struct grfinfo *gi = &gp->g_display;
volatile u_char *fbp;
u_char save;
int fboff;
extern caddr_t sctopa();
/*
* If the console has been initialized, and it was us, there's
* no need to repeat this.
*/
if (consinit_active || (scode != conscode)) {
if (ISIIOVA(addr))
gi->gd_regaddr = (caddr_t) IIOP(addr);
else
gi->gd_regaddr = sctopa(scode);
gi->gd_regsize = 0x10000;
gi->gd_fbwidth = (tp->fbwmsb << 8) | tp->fbwlsb;
gi->gd_fbheight = (tp->fbhmsb << 8) | tp->fbhlsb;
gi->gd_fbsize = gi->gd_fbwidth * gi->gd_fbheight;
fboff = (tp->fbomsb << 8) | tp->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 = (tp->dwmsb << 8) | tp->dwlsb;
gi->gd_dheight = (tp->dhmsb << 8) | tp->dhlsb;
gi->gd_planes = tp->num_planes;
gi->gd_colors = 1 << gi->gd_planes;
if (gi->gd_colors == 1) {
fbp = (u_char *) gp->g_fbkva;
tp->wen = ~0;
tp->prr = 0x3;
tp->fben = ~0;
save = *fbp;
*fbp = 0xFF;
gi->gd_colors = *fbp + 1;
*fbp = save;
}
}
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.
* Function may not be needed anymore.
*/
/*ARGSUSED*/
int
tc_mode(gp, cmd, data)
struct grf_data *gp;
int cmd;
caddr_t data;
{
int error = 0;
switch (cmd) {
case GM_GRFON:
case GM_GRFOFF:
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);
/* XXX */
switch (gp->g_sw->gd_hwid) {
case GID_HRCCATSEYE:
bcopy("HP98550", fi->name, 8);
break;
case GID_LRCATSEYE:
bcopy("HP98549", fi->name, 8);
break;
case GID_HRMCATSEYE:
bcopy("HP98548", fi->name, 8);
break;
case GID_TOPCAT:
switch (gi->gd_colors) {
case 64:
bcopy("HP98547", fi->name, 8);
break;
case 16:
bcopy("HP98545", fi->name, 8);
break;
case 2:
bcopy("HP98544", fi->name, 8);
break;
}
break;
}
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
/*
* Topcat/catseye ite routines
*/
#define REGBASE ((struct tcboxfb *)(ip->regbase))
#define WINDOWMOVER topcat_windowmove
void
topcat_init(ip)
struct ite_data *ip;
{
/* XXX */
if (ip->regbase == NULL) {
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;
}
/*
* Catseye looks a lot like a topcat, but not completely.
* So, we set some bits to make it work.
*/
if (REGBASE->fbid != GID_TOPCAT) {
while ((REGBASE->catseye_status & 1))
;
REGBASE->catseye_status = 0x0;
REGBASE->vb_select = 0x0;
REGBASE->tcntrl = 0x0;
REGBASE->acntrl = 0x0;
REGBASE->pncntrl = 0x0;
REGBASE->rug_cmdstat = 0x90;
}
/*
* Determine the number of planes by writing to the first frame
* buffer display location, then reading it back.
*/
REGBASE->wen = ~0;
REGBASE->fben = ~0;
REGBASE->prr = RR_COPY;
*FBBASE = 0xFF;
ip->planemask = *FBBASE;
/*
* Enable reading/writing of all the planes.
*/
REGBASE->fben = ip->planemask;
REGBASE->wen = ip->planemask;
REGBASE->ren = ip->planemask;
REGBASE->prr = RR_COPY;
ite_fontinfo(ip);
/*
* Clear the framebuffer on all planes.
*/
topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
tc_waitbusy(ip->regbase, ip->planemask);
ite_fontinit(ip);
/*
* Initialize color map for color displays
*/
if (ip->planemask != 1) {
tc_waitbusy(ip->regbase, ip->planemask);
REGBASE->nblank = 0x01;
tccm_waitbusy(ip->regbase);
REGBASE->rdata = 0x0;
REGBASE->gdata = 0x0;
REGBASE->bdata = 0x0;
REGBASE->cindex = 0xFF;
REGBASE->strobe = 0xFF;
DELAY(100);
tccm_waitbusy(ip->regbase);
REGBASE->rdata = 0x0;
REGBASE->gdata = 0x0;
REGBASE->bdata = 0x0;
REGBASE->cindex = 0x0;
DELAY(100);
tccm_waitbusy(ip->regbase);
REGBASE->rdata = 0xFF;
REGBASE->gdata = 0xFF;
REGBASE->bdata = 0xFF;
REGBASE->cindex = 0xFE;
REGBASE->strobe = 0xFF;
DELAY(100);
tccm_waitbusy(ip->regbase);
REGBASE->rdata = 0x0;
REGBASE->gdata = 0x0;
REGBASE->bdata = 0x0;
REGBASE->cindex = 0x0;
}
/*
* Stash the inverted cursor.
*/
topcat_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
ip->cblanky, ip->cblankx, ip->ftheight,
ip->ftwidth, RR_COPYINVERTED);
}
void
topcat_deinit(ip)
struct ite_data *ip;
{
topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
tc_waitbusy(ip->regbase, ip->planemask);
REGBASE->nblank = ~0;
ip->flags &= ~ITE_INITED;
}
void
topcat_putc(ip, c, dy, dx, mode)
struct ite_data *ip;
int c, dy, dx, mode;
{
int wmrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
topcat_windowmove(ip, charY(ip, c), charX(ip, c),
dy * ip->ftheight, dx * ip->ftwidth,
ip->ftheight, ip->ftwidth, wmrr);
}
void
topcat_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
topcat_clear(ip, sy, sx, h, w)
struct ite_data *ip;
int sy, sx, h, w;
{
topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
sy * ip->ftheight, sx * ip->ftwidth,
h * ip->ftheight, w * ip->ftwidth,
RR_CLEAR);
}
void
topcat_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;
}
topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
dy * ip->ftheight, dx * ip->ftwidth,
height * ip->ftheight,
width * ip->ftwidth, RR_COPY);
}
void
topcat_windowmove(ip, sy, sx, dy, dx, h, w, func)
struct ite_data *ip;
int sy, sx, dy, dx, h, w, func;
{
register struct tcboxfb *rp = REGBASE;
if (h == 0 || w == 0)
return;
tc_waitbusy(ip->regbase, ip->planemask);
rp->wmrr = 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 = ip->planemask;
}
/*
* Topcat/catseye console support
*/
int
topcat_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)
return (0);
switch (grf->gr_id2) {
case GID_TOPCAT:
case GID_LRCATSEYE:
case GID_HRCCATSEYE:
case GID_HRMCATSEYE:
break;
default:
return (0);
}
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
topcatcnprobe(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 the 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)) {
switch (grf->gr_id2) {
case GID_TOPCAT:
case GID_LRCATSEYE:
case GID_HRCCATSEYE:
case GID_HRMCATSEYE:
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(topcat_console_scan, cp);
}
void
topcatcninit(cp)
struct consdev *cp;
{
struct ite_data *ip = &ite_cn;
struct grf_data *gp = &grf_cn;
struct grfreg *grf = (struct grfreg *)conaddr;
/*
* Initialize the framebuffer hardware.
*/
(void)tc_init(gp, conscode, conaddr);
/*
* Set up required grf data.
*/
switch (grf->gr_id2) {
case GID_TOPCAT:
gp->g_sw = &topcat_grfsw;
break;
case GID_LRCATSEYE:
gp->g_sw = &lrcatseye_grfsw;
break;
case GID_HRCCATSEYE:
gp->g_sw = &hrcatseye_grfsw;
break;
case GID_HRMCATSEYE:
gp->g_sw = &hrmcatseye_grfsw;
break;
default:
/* THIS SHOULD NEVER HAPPEN! */
panic("topcat console: impossible!"); /* XXX won't see it */
}
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 = &topcat_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 */
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