initial import of NetBSD tree

1 files changed, 169 insertions, 0 deletions

diff --git a/sys/arch/alpha/isa/isa_machdep.c b/sys/arch/alpha/isa/isa_machdep.c
new file mode 100644
index 00000000000..9e3a63f7634
--- /dev/null
+++ b/sys/arch/alpha/isa/isa_machdep.c
@@ -0,0 +1,169 @@
+/*	$NetBSD: isa_machdep.c,v 1.2 1995/08/03 01:23:08 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/conf.h>
+#include <sys/malloc.h>
+#include <sys/device.h>
+
+#include <machine/autoconf.h>
+#include <machine/pio.h>
+#include <machine/rpb.h>
+#include <machine/vmparam.h>
+#include <machine/pte.h>
+
+#include <dev/isa/isareg.h>
+#include <dev/isa/isavar.h>
+#include <dev/isa/isadmavar.h>
+
+#include <alpha/isa/isa_intr.h>
+#include <alpha/isa/isa_dma.h>
+
+int isamatch __P((struct device *, void *, void *));
+void isaattach __P((struct device *, struct device *, void *));
+
+struct cfdriver isacd = {
+	NULL, "isa", isamatch, isaattach, DV_DULL, sizeof(struct isa_softc), 1
+};
+
+int
+isamatch(parent, cfdata, aux)
+	struct device *parent;
+	void *cfdata, *aux;
+{
+	struct cfdata *cf = cfdata;
+	struct confargs *ca = aux;
+
+#if 0 /* XXX -- Assume that it's valid if unit number OK */
+	/* It can only occur on the mainbus. */
+	if (ca->ca_bus->ab_type != BUS_MAIN)
+		return (0);
+
+	/* Make sure that we're looking for this type of device. */
+	if (!BUS_MATCHNAME(ca, "isa"))
+		return (0);
+#endif /* XXX */
+
+	/* See if the unit number is valid. */
+	switch (hwrpb->rpb_type) {
+#if defined(DEC_2100_A50)
+	case ST_DEC_2100_A50:
+		if (cf->cf_unit > 0)
+			return (0);
+		break;
+#endif
+	default:
+		return (0);
+	}
+
+	return (1);
+}
+
+void
+isaattach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct isa_softc *sc = (struct isa_softc *)self;
+
+	printf("\n");
+
+	TAILQ_INIT(&sc->sc_subdevs);
+
+	/* XXX set up ISA DMA controllers? */
+
+	config_scan(isascan, self);
+}
+
+void *
+isa_intr_establish(irq, type, level, ih_fun, ih_arg)
+	int irq;
+	isa_intrtype type;
+	isa_intrlevel level;
+	int (*ih_fun)(void *);
+	void *ih_arg;
+{
+
+	return (*isa_intr_fcns->isa_intr_establish)(irq, type, level,
+	    ih_fun, ih_arg);
+}
+
+void
+isa_intr_disestablish(handler)
+	void *handler;
+{
+
+	(*isa_intr_fcns->isa_intr_disestablish)(handler);
+}
+
+int
+isadma_map(addr, size, mappings, flags)
+	caddr_t addr;
+	vm_size_t size;
+	vm_offset_t *mappings;
+	int flags;
+{
+
+	(*isadma_fcns->isadma_map)(addr, size, mappings, flags);
+}
+
+void
+isadma_unmap(addr, size, nmappings, mappings)
+	caddr_t addr;
+	vm_size_t size;
+	int nmappings;
+	vm_offset_t *mappings;
+{
+
+	(*isadma_fcns->isadma_unmap)(addr, size, nmappings, mappings);
+}
+
+void
+isadma_copytobuf(addr, size, nmappings, mappings)
+	caddr_t addr;
+	vm_size_t size;
+	int nmappings;
+	vm_offset_t *mappings;
+{
+
+	(*isadma_fcns->isadma_copytobuf)(addr, size, nmappings, mappings);
+}
+
+void
+isadma_copyfrombuf(addr, size, nmappings, mappings)
+	caddr_t addr;
+	vm_size_t size;
+	int nmappings;
+	vm_offset_t *mappings;
+{
+
+	(*isadma_fcns->isadma_copyfrombuf)(addr, size, nmappings, mappings);
+}