initial import of NetBSD tree

1 files changed, 106 insertions, 0 deletions

diff --git a/sys/dev/isa/isa.c b/sys/dev/isa/isa.c
new file mode 100644
index 00000000000..799bf2fb2f9
--- /dev/null
+++ b/sys/dev/isa/isa.c
@@ -0,0 +1,106 @@
+/*	$NetBSD: isa.c,v 1.74 1995/06/07 06:46:04 cgd Exp $	*/
+
+/*-
+ * Copyright (c) 1993, 1994 Charles Hannum.  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 Charles Hannum.
+ * 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/systm.h>
+#include <sys/kernel.h>
+#include <sys/conf.h>
+#include <sys/malloc.h>
+#include <sys/device.h>
+
+#include <dev/isa/isareg.h>
+#include <dev/isa/isavar.h>
+
+int
+isaprint(aux, isa)
+	void *aux;
+	char *isa;
+{
+	struct isa_attach_args *ia = aux;
+
+	if (ia->ia_iosize)
+		printf(" port 0x%x", ia->ia_iobase);
+	if (ia->ia_iosize > 1)
+		printf("-0x%x", ia->ia_iobase + ia->ia_iosize - 1);
+	if (ia->ia_msize)
+		printf(" iomem 0x%x", ia->ia_maddr);
+	if (ia->ia_msize > 1)
+		printf("-0x%x", ia->ia_maddr + ia->ia_msize - 1);
+	if (ia->ia_irq != IRQUNK)
+		printf(" irq %d", ia->ia_irq);
+	if (ia->ia_drq != DRQUNK)
+		printf(" drq %d", ia->ia_drq);
+	return (UNCONF);
+}
+
+void
+isascan(parent, match)
+	struct device *parent;
+	void *match;
+{
+	struct device *dev = match;
+	struct cfdata *cf = dev->dv_cfdata;
+	struct isa_attach_args ia;
+
+	if (cf->cf_fstate == FSTATE_STAR)
+		panic("not bloody likely");
+
+	ia.ia_iobase = cf->cf_loc[0];
+	ia.ia_iosize = 0x666;
+	ia.ia_maddr = cf->cf_loc[2];
+	ia.ia_msize = cf->cf_loc[3];
+	ia.ia_irq = cf->cf_loc[4] == 2 ? 9 : cf->cf_loc[4];
+	ia.ia_drq = cf->cf_loc[5];
+
+	if ((*cf->cf_driver->cd_match)(parent, dev, &ia) > 0)
+		config_attach(parent, dev, &ia, isaprint);
+	else
+		free(dev, M_DEVBUF);
+}
+
+char *
+isa_intr_typename(type)
+	isa_intrtype type;
+{
+
+	switch (type) {
+        case ISA_IST_NONE :
+		return ("none");
+        case ISA_IST_PULSE:
+		return ("pulsed");
+        case ISA_IST_EDGE:
+		return ("edge-triggered");
+        case ISA_IST_LEVEL:
+		return ("level-triggered");
+	default:
+		panic("isa_intr_typename: invalid type %d", type);
+	}
+}