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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 14:27:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 14:27:40 +0000
commit0d9505780948a42285e6e122455d5b274ce2c76a (patch)
tree7f6ac589582b3de8343817108cce4b6f9f8eafac /sys/arch/sparc/dev/pfour.c
parentc6ce6fc6e5012dcb2986c6a207fd7903625c4e77 (diff)
new stuff
Diffstat (limited to 'sys/arch/sparc/dev/pfour.c')
-rw-r--r--sys/arch/sparc/dev/pfour.c189
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);
+}