diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 14:27:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 14:27:40 +0000 |
commit | 0d9505780948a42285e6e122455d5b274ce2c76a (patch) | |
tree | 7f6ac589582b3de8343817108cce4b6f9f8eafac /sys/arch/sparc/dev/pfour.c | |
parent | c6ce6fc6e5012dcb2986c6a207fd7903625c4e77 (diff) |
new stuff
Diffstat (limited to 'sys/arch/sparc/dev/pfour.c')
-rw-r--r-- | sys/arch/sparc/dev/pfour.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/sys/arch/sparc/dev/pfour.c b/sys/arch/sparc/dev/pfour.c new file mode 100644 index 00000000000..78c3ccb722d --- /dev/null +++ b/sys/arch/sparc/dev/pfour.c @@ -0,0 +1,189 @@ +/* $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> + +volatile int *pfour_vaddr; /* pfour register */ + +struct pfour_softc { + struct device sc_dev; /* base device */ + 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; + caddr_t tmp; + u_int val; + + if (sc->sc_dev.dv_unit > 0) { + printf(" unsupported\n"); + return; + } + + tmp = bus_tmp(ca->ca_ra.ra_paddr + PFOUR_REG, BUS_PFOUR); + if (tmp == NULL) { + printf("\n"); + return; + } + val = probeget(tmp, 4); + + if (val == -1) { + printf(": empty\n"); + return; + } + + pfour_vaddr = mapiodev((caddr_t)(ca->ca_ra.ra_paddr + PFOUR_REG), + NBPG, ca->ca_bustype); + + printf(": cardtype 0x%02x\n", PFOUR_FBTYPE(val)); + + *(int *)tmp = PFOUR_REG_VIDEO | PFOUR_REG_RESET; + *(int *)tmp = 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); + } + } + bus_untmp(); +} + +void +pfour_reset() +{ + *pfour_vaddr = PFOUR_REG_VIDEO | PFOUR_REG_RESET; + *pfour_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); +} |