/* $OpenBSD: topcat.c,v 1.15 2006/08/11 18:33:13 miod Exp $ */
/*
* Copyright (c) 2005, Miodrag Vallat.
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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) 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. 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
*/
/*
* Graphics routines for TOPCAT, CATSEYE and KATHMANDU frame buffers
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/ioctl.h>
#include <machine/autoconf.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <hp300/dev/dioreg.h>
#include <hp300/dev/diovar.h>
#include <hp300/dev/diodevs.h>
#include <hp300/dev/intiovar.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/rasops/rasops.h>
#include <hp300/dev/diofbreg.h>
#include <hp300/dev/diofbvar.h>
#include <hp300/dev/topcatreg.h>
struct topcat_softc {
struct device sc_dev;
struct diofb *sc_fb;
struct diofb sc_fb_store;
int sc_scode;
};
int topcat_dio_match(struct device *, void *, void *);
void topcat_dio_attach(struct device *, struct device *, void *);
int topcat_intio_match(struct device *, void *, void *);
void topcat_intio_attach(struct device *, struct device *, void *);
struct cfattach topcat_dio_ca = {
sizeof(struct topcat_softc), topcat_dio_match, topcat_dio_attach
};
struct cfattach topcat_intio_ca = {
sizeof(struct topcat_softc), topcat_intio_match, topcat_intio_attach
};
struct cfdriver topcat_cd = {
NULL, "topcat", DV_DULL
};
void topcat_end_attach(struct topcat_softc *, u_int8_t);
int topcat_reset(struct diofb *, int, struct diofbreg *);
void topcat_restore(struct diofb *);
int topcat_setcmap(struct diofb *, struct wsdisplay_cmap *);
void topcat_setcolor(struct diofb *, u_int);
int topcat_windowmove(struct diofb *, u_int16_t, u_int16_t, u_int16_t,
u_int16_t, u_int16_t, u_int16_t, int16_t, int16_t);
int topcat_ioctl(void *, u_long, caddr_t, int, struct proc *);
void topcat_burner(void *, u_int, u_int);
struct wsdisplay_accessops topcat_accessops = {
topcat_ioctl,
diofb_mmap,
diofb_alloc_screen,
diofb_free_screen,
diofb_show_screen,
NULL, /* load_font */
NULL, /* scrollback */
NULL, /* getchar */
topcat_burner
};
/*
* Attachment glue
*/
int
topcat_intio_match(struct device *parent, void *match, void *aux)
{
struct intio_attach_args *ia = aux;
struct diofbreg *fbr;
fbr = (struct diofbreg *)IIOV(GRFIADDR);
if (badaddr((caddr_t)fbr))
return (0);
if (fbr->id == GRFHWID) {
switch (fbr->fbid) {
case GID_TOPCAT:
case GID_LRCATSEYE:
case GID_HRCCATSEYE:
case GID_HRMCATSEYE:
#if 0
case GID_XXXCATSEYE:
#endif
ia->ia_addr = (caddr_t)GRFIADDR;
return (1);
}
}
return (0);
}
void
topcat_intio_attach(struct device *parent, struct device *self, void *aux)
{
struct topcat_softc *sc = (struct topcat_softc *)self;
struct diofbreg *fbr;
fbr = (struct diofbreg *)IIOV(GRFIADDR);
sc->sc_scode = CONSCODE_INTERNAL;
if (sc->sc_scode == conscode) {
sc->sc_fb = &diofb_cn;
} else {
sc->sc_fb = &sc->sc_fb_store;
topcat_reset(sc->sc_fb, sc->sc_scode, fbr);
}
topcat_end_attach(sc, fbr->fbid);
}
int
topcat_dio_match(struct device *parent, void *match, void *aux)
{
struct dio_attach_args *da = aux;
if (da->da_id == DIO_DEVICE_ID_FRAMEBUFFER) {
switch (da->da_secid) {
case DIO_DEVICE_SECID_TOPCAT:
case DIO_DEVICE_SECID_LRCATSEYE:
case DIO_DEVICE_SECID_HRCCATSEYE:
case DIO_DEVICE_SECID_HRMCATSEYE:
#if 0
case DIO_DEVICE_SECID_XXXCATSEYE:
#endif
return (1);
}
}
return (0);
}
void
topcat_dio_attach(struct device *parent, struct device *self, void *aux)
{
struct topcat_softc *sc = (struct topcat_softc *)self;
struct dio_attach_args *da = aux;
struct diofbreg *fbr;
sc->sc_scode = da->da_scode;
if (sc->sc_scode == conscode) {
fbr = (struct diofbreg *)conaddr; /* already mapped */
sc->sc_fb = &diofb_cn;
} else {
sc->sc_fb = &sc->sc_fb_store;
fbr = (struct diofbreg *)
iomap(dio_scodetopa(sc->sc_scode), da->da_size);
if (fbr == NULL ||
topcat_reset(sc->sc_fb, sc->sc_scode, fbr) != 0) {
printf(": can't map framebuffer\n");
return;
}
}
topcat_end_attach(sc, fbr->fbid);
}
void
topcat_end_attach(struct topcat_softc *sc, u_int8_t id)
{
const char *fbname = "unknown";
switch (id) {
case GID_TOPCAT:
switch (sc->sc_fb->planes) {
case 1:
fbname = "HP98544 topcat";
break;
case 4:
if (sc->sc_fb->dheight == 400)
fbname = "HP98543 topcat";
else
fbname = "HP98545 topcat";
break;
case 6:
fbname = "HP98547 topcat";
break;
}
break;
case GID_HRCCATSEYE:
fbname = "HP98550 catseye"; /* also A1416 kathmandu */
break;
case GID_LRCATSEYE:
fbname = "HP98549 catseye";
break;
case GID_HRMCATSEYE:
fbname = "HP98548 catseye";
break;
}
diofb_end_attach(sc, &topcat_accessops, sc->sc_fb,
sc->sc_scode == conscode, fbname);
}
/*
* Initialize hardware and display routines.
*/
int
topcat_reset(struct diofb *fb, int scode, struct diofbreg *fbr)
{
volatile struct tcboxfb *tc = (struct tcboxfb *)fbr;
int rc;
u_int i;
if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0)
return (rc);
/*
* If we could not get a valid number of planes, determine it
* by writing to the first frame buffer display location,
* then reading it back.
*/
if (fb->planes == 0) {
volatile u_int8_t *fbp;
u_int8_t save;
fbp = (u_int8_t *)fb->fbkva;
tc->fben = ~0;
tc->wen = ~0;
tc->ren = ~0;
tc->prr = RR_COPY;
save = *fbp;
*fbp = 0xff;
fb->planemask = *fbp;
*fbp = save;
for (fb->planes = 1; fb->planemask >= (1 << fb->planes);
fb->planes++);
if (fb->planes > 8)
fb->planes = 8;
fb->planemask = (1 << fb->planes) - 1;
}
fb->bmv = topcat_windowmove;
topcat_restore(fb);
diofb_fbsetup(fb);
for (i = 0; i <= fb->planemask; i++)
topcat_setcolor(fb, i);
return (0);
}
void
topcat_restore(struct diofb *fb)
{
volatile struct tcboxfb *tc = (struct tcboxfb *)fb->regkva;
/*
* Catseye looks a lot like a topcat, but not completely.
* So, we set some bits to make it work.
*/
if (tc->regs.fbid != GID_TOPCAT) {
while ((tc->catseye_status & 1))
;
tc->catseye_status = 0x0;
tc->vb_select = 0x0;
tc->tcntrl = 0x0;
tc->acntrl = 0x0;
tc->pncntrl = 0x0;
tc->rug_cmdstat = 0x90;
}
/*
* Enable reading/writing of all the planes.
*/
tc->fben = fb->planemask;
tc->wen = fb->planemask;
tc->ren = fb->planemask;
tc->prr = RR_COPY;
/* Enable display */
tc->nblank = 0xff;
}
int
topcat_ioctl(void *v, u_long cmd, caddr_t data, int flags, struct proc *p)
{
struct diofb *fb = v;
struct wsdisplay_fbinfo *wdf;
u_int i;
switch (cmd) {
case WSDISPLAYIO_GTYPE:
*(u_int *)data = WSDISPLAY_TYPE_TOPCAT;
break;
case WSDISPLAYIO_SMODE:
fb->mapmode = *(u_int *)data;
if (fb->mapmode == WSDISPLAYIO_MODE_EMUL) {
topcat_restore(fb);
for (i = 0; i <= fb->planemask; i++)
topcat_setcolor(fb, i);
}
break;
case WSDISPLAYIO_GINFO:
wdf = (void *)data;
wdf->width = fb->ri.ri_width;
wdf->height = fb->ri.ri_height;
wdf->depth = fb->ri.ri_depth;
wdf->cmsize = 1 << fb->planes;
break;
case WSDISPLAYIO_LINEBYTES:
*(u_int *)data = fb->ri.ri_stride;
break;
case WSDISPLAYIO_GETCMAP:
return (diofb_getcmap(fb, (struct wsdisplay_cmap *)data));
case WSDISPLAYIO_PUTCMAP:
return (topcat_setcmap(fb, (struct wsdisplay_cmap *)data));
case WSDISPLAYIO_GVIDEO:
case WSDISPLAYIO_SVIDEO:
break;
default:
return (-1);
}
return (0);
}
void
topcat_burner(void *v, u_int on, u_int flags)
{
struct diofb *fb = v;
volatile struct tcboxfb *tc = (struct tcboxfb *)fb->regkva;
if (on) {
tc->nblank = 0xff;
} else {
tc->nblank = 0;
}
}
void
topcat_setcolor(struct diofb *fb, u_int index)
{
volatile struct tcboxfb *tc = (struct tcboxfb *)fb->regkva;
if (tc->regs.fbid != GID_TOPCAT) {
tccm_waitbusy(tc);
tc->plane_mask = 0xff;
tc->cindex = ~index;
tc->rdata = fb->cmap.r[index];
tc->gdata = fb->cmap.g[index];
tc->bdata = fb->cmap.b[index];
tc->strobe = 0xff;
tccm_waitbusy(tc);
tc->cindex = 0;
} else {
tccm_waitbusy(tc);
tc->plane_mask = 0xff;
tc->rdata = fb->cmap.r[index];
tc->gdata = fb->cmap.g[index];
tc->bdata = fb->cmap.b[index];
tc->cindex = ~index;
tc->strobe = 0xff;
tccm_waitbusy(tc);
tc->rdata = 0;
tc->gdata = 0;
tc->bdata = 0;
tc->cindex = 0;
}
}
int
topcat_setcmap(struct diofb *fb, struct wsdisplay_cmap *cm)
{
u_int8_t r[256], g[256], b[256];
u_int index = cm->index, count = cm->count;
u_int colcount = 1 << fb->planes;
int error;
if (index >= colcount || count > colcount - index)
return (EINVAL);
if ((error = copyin(cm->red, r, count)) != 0)
return (error);
if ((error = copyin(cm->green, g, count)) != 0)
return (error);
if ((error = copyin(cm->blue, b, count)) != 0)
return (error);
bcopy(r, fb->cmap.r + index, count);
bcopy(g, fb->cmap.g + index, count);
bcopy(b, fb->cmap.b + index, count);
while (count-- != 0)
topcat_setcolor(fb, index++);
return (0);
}
/*
* Accelerated routines
*/
int
topcat_windowmove(struct diofb *fb, u_int16_t sx, u_int16_t sy,
u_int16_t dx, u_int16_t dy, u_int16_t cx, u_int16_t cy, int16_t rop,
int16_t planemask)
{
volatile struct tcboxfb *tc = (struct tcboxfb *)fb->regkva;
tc_waitbusy(tc, fb->planemask);
tc->wen = planemask;
tc->wmrr = rop;
if (planemask != 0xff) {
tc->wen = planemask ^ 0xff;
tc->wmrr = rop ^ 0x0f;
tc->wen = fb->planemask;
}
tc->source_y = sy;
tc->source_x = sx;
tc->dest_y = dy;
tc->dest_x = dx;
tc->wheight = cy;
tc->wwidth = cx;
tc->wmove = fb->planemask;
tc_waitbusy(tc, fb->planemask);
return (0);
}
/*
* Topcat/catseye console support
*/
void
topcatcninit()
{
topcat_reset(&diofb_cn, conscode, (struct diofbreg *)conaddr);
diofb_cnattach(&diofb_cn);
}
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