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/* $NetBSD: cgfourreg.h,v 1.4 1994/11/20 20:52:03 deraadt Exp $ */
/*
* Copyright (c) 1995 Theo de Raadt
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Theo de Raadt.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/malloc.h>
#ifdef DEBUG
#include <sys/proc.h>
#include <sys/syslog.h>
#endif
#include <vm/vm.h>
#include <machine/autoconf.h>
#include <machine/pmap.h>
#include <machine/oldmon.h>
#include <machine/cpu.h>
#include <machine/ctlreg.h>
#include <sparc/sparc/asm.h>
#include <sparc/sparc/vaddrs.h>
#include <sparc/dev/pfourreg.h>
struct pfour_softc {
struct device sc_dev; /* base device */
volatile u_long *sc_vaddr; /* pfour register */
int nothing;
};
static int pfourmatch __P((struct device *, void *, void *));
static void pfourattach __P((struct device *, struct device *, void *));
struct cfdriver pfourcd = { NULL, "pfour", pfourmatch, pfourattach,
DV_DULL, sizeof(struct pfour_softc)
};
int
pfourmatch(parent, vcf, aux)
struct device *parent;
void *vcf, *aux;
{
struct cfdata *cf = vcf;
register struct confargs *ca = aux;
register struct romaux *ra = &ca->ca_ra;
return (strcmp(cf->cf_driver->cd_name, ra->ra_name) == 0);
}
void
pfourattach(parent, self, args)
struct device *parent, *self;
void *args;
{
register struct pfour_softc *sc = (struct pfour_softc *)self;
extern struct cfdata cfdata[];
register struct confargs *ca = args;
struct confargs oca;
register short *p;
struct cfdata *cf;
u_long val;
if (sc->sc_dev.dv_unit > 0) {
printf(" unsupported\n");
return;
}
sc->sc_vaddr = (u_long *)mapiodev((caddr_t)(ca->ca_ra.ra_paddr + PFOUR_REG),
NBPG, ca->ca_bustype);
if (sc->sc_vaddr == NULL) {
printf("\n");
return;
}
val = probeget(sc->sc_vaddr, 4);
if (val == -1) {
printf(": empty\n");
return;
}
printf(": cardtype 0x%02x\n", PFOUR_FBTYPE(val));
*sc->sc_vaddr = PFOUR_REG_VIDEO | PFOUR_REG_RESET;
*sc->sc_vaddr = PFOUR_REG_VIDEO;
for (cf = cfdata; cf->cf_driver; cf++) {
if (cf->cf_fstate == FSTATE_FOUND)
continue;
for (p = cf->cf_parents; *p >= 0; p++)
if (self->dv_cfdata == &cfdata[*p]) {
oca.ca_ra.ra_iospace = -1;
oca.ca_ra.ra_len = 0;
oca.ca_ra.ra_nreg = 1;
oca.ca_ra.ra_pfour = val;
oca.ca_ra.ra_intr[0].int_vec = -1;
oca.ca_ra.ra_nintr = 0;
oca.ca_ra.ra_name = cf->cf_driver->cd_name;
oca.ca_ra.ra_paddr = ca->ca_ra.ra_paddr;
oca.ca_bustype = BUS_PFOUR;
if ((*cf->cf_driver->cd_match)(self, cf, &oca) == 0)
continue;
config_attach(self, cf, &oca, NULL);
}
}
}
void
pfour_reset()
{
struct pfour_softc *sc = pfourcd.cd_devs[0];
*sc->sc_vaddr = PFOUR_REG_VIDEO | PFOUR_REG_RESET;
delay(1);
*sc->sc_vaddr = PFOUR_REG_VIDEO;
}
int
pfour_videosize(reg, xp, yp)
int reg;
int *xp, *yp;
{
if (PFOUR_ID(reg) == PFOUR_ID_COLOR24) {
*xp = 1152;
*yp = 900;
return 0;
}
switch (PFOUR_SIZE(reg)) {
case PFOUR_SIZE_1152X900:
*xp = 1152;
*yp = 900;
break;
case PFOUR_SIZE_1024X1024:
*xp = 1024;
*yp = 1024;
break;
case PFOUR_SIZE_1280X1024:
*xp = 1280;
*yp = 1024;
break;
case PFOUR_SIZE_1600X1280:
*xp = 1600;
*yp = 1280;
break;
case PFOUR_SIZE_1440X1440:
*xp = 1440;
*yp = 1440;
break;
case PFOUR_SIZE_640X480:
*xp = 640;
*yp = 480;
break;
default:
*xp = 1152; /* assume, but indicate error */
*yp = 900;
return (-1);
}
return (0);
}
void
pfourenable(on)
int on;
{
struct pfour_softc *sc = pfourcd.cd_devs[0];
if (on)
*sc->sc_vaddr |= PFOUR_REG_VIDEO;
else
*sc->sc_vaddr &= ~PFOUR_REG_VIDEO;
}
int
pfourstatus()
{
struct pfour_softc *sc = pfourcd.cd_devs[0];
return (*sc->sc_vaddr & PFOUR_REG_VIDEO);
}
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