Added port of the NetBSD (-current) DPT SmartCache III/IV PCI/EISA host adapter

driver to OpenBSD.

2 files changed, 220 insertions, 1 deletions

diff --git a/sys/dev/eisa/dpt_eisa.c b/sys/dev/eisa/dpt_eisa.c
new file mode 100644
index 00000000000..fca43e730f9
--- /dev/null
+++ b/sys/dev/eisa/dpt_eisa.c
@@ -0,0 +1,214 @@
+/*	$OpenBSD: dpt_eisa.c,v 1.1 1999/11/30 07:55:56 cmetz Exp $	*/
+/*	$NetBSD: dpt_eisa.c,v 1.2 1999/10/18 21:59:19 ad Exp $	*/
+
+/*
+ * Copyright (c) 1999 Andy Doran <ad@NetBSD.org>
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ */
+
+/*
+ * EISA front-end for DPT EATA SCSI driver.
+ */
+
+#include <sys/cdefs.h>
+#ifdef __NetBSD__
+__KERNEL_RCSID(0, "$NetBSD: dpt_eisa.c,v 1.2 1999/10/18 21:59:19 ad Exp $");
+#endif /* __NetBSD__ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#ifdef __NetBSD__
+#include <dev/scsipi/scsi_all.h>
+#include <dev/scsipi/scsipi_all.h>
+#include <dev/scsipi/scsiconf.h>
+#endif /* __NetBSD__ */
+#ifdef __OpenBSD__
+#include <scsi/scsi_all.h>
+#include <scsi/scsiconf.h>
+#endif /* __OpenBSD__ */
+
+#include <dev/eisa/eisavar.h>
+#include <dev/eisa/eisadevs.h>
+
+#include <dev/ic/dptreg.h>
+#include <dev/ic/dptvar.h>
+
+#define DPT_EISA_SLOT_OFFSET		0x0c00
+#define DPT_EISA_IOSIZE			0x0100
+#define DPT_EISA_IOCONF			0x90
+#define DPT_EISA_EATA_REG_OFFSET	0x88
+
+int	dpt_eisa_irq __P((bus_space_tag_t, bus_space_handle_t, int *));
+#ifdef __NetBSD__
+int	dpt_eisa_match __P((struct device *, struct cfdata *, void *));
+#endif /* __NetBSD__ */
+#ifdef __OpenBSD__
+int	dpt_eisa_match __P((struct device *, void *, void *));
+#endif /* __OpenBSD__ */
+void	dpt_eisa_attach __P((struct device *, struct device *, void *));
+
+struct cfattach dpt_eisa_ca = {
+	sizeof(struct dpt_softc), dpt_eisa_match, dpt_eisa_attach
+};
+
+const char *dpt_eisa_boards[] = {
+	"DPT2402",
+	"DPTA401",
+	"DPTA402",
+	"DPTA410",
+	"DPTA411",
+	"DPTA412",
+	"DPTA420",
+	"DPTA501",
+	"DPTA502",
+	"DPTA701",
+	"DPTBC01",
+	"NEC8200",	/* OEM */
+	"ATT2408",	/* OEM */
+	NULL
+}; 
+
+int
+dpt_eisa_irq(iot, ioh, irq)
+	bus_space_tag_t iot;
+	bus_space_handle_t ioh;
+	int *irq;
+{
+
+	switch (bus_space_read_1(iot, ioh, DPT_EISA_IOCONF) & 0x38) {
+	case 0x08:
+		*irq = 11;
+		break;
+	case 0x10:
+		*irq = 15;
+		break;
+	case 0x20:
+		*irq = 14;
+		break;
+	default:
+		return (-1);
+	}
+
+	return (0);
+}
+
+int
+dpt_eisa_match(parent, match, aux)
+	struct device *parent;
+#ifdef __NetBSD__
+	struct cfdata *match;
+#endif /* __NetBSD__ */
+#ifdef __OpenBSD__
+	void *match;
+#endif /* __OpenBSD__ */
+	void *aux;
+{
+	struct eisa_attach_args *ea;
+	int i;
+
+	ea = aux;
+
+	for (i = 0; dpt_eisa_boards[i] != NULL; i++)
+		if (strcmp(ea->ea_idstring, dpt_eisa_boards[i]) == 0)
+			break;
+
+	return (dpt_eisa_boards[i] != NULL);
+}
+
+void
+dpt_eisa_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct eisa_attach_args *ea;
+	bus_space_handle_t ioh;
+	eisa_chipset_tag_t ec;
+	eisa_intr_handle_t ih;
+	struct dpt_softc *sc;
+	bus_space_tag_t iot;
+	const char *intrstr;
+	int irq;
+	
+	ea = aux;
+	sc = (struct dpt_softc *)self;
+	iot = ea->ea_iot;
+	ec = ea->ea_ec;
+	
+	printf(": ");
+
+	if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) +
+	    DPT_EISA_SLOT_OFFSET, DPT_EISA_IOSIZE, 0, &ioh)) {
+		printf("can't map i/o space\n");
+		return;
+	}
+
+	sc->sc_iot = iot;
+	sc->sc_ioh = ioh;
+	sc->sc_dmat = ea->ea_dmat;
+
+	/* Map and establish the interrupt. */
+	if (dpt_eisa_irq(iot, ioh, &irq)) {
+		printf("HBA on invalid IRQ (%d)\n", irq);
+		return;
+	}
+
+	if (eisa_intr_map(ec, irq, &ih)) {
+		printf("can't map interrupt (%d)\n", irq);
+		return;
+	}
+	
+	intrstr = eisa_intr_string(ec, ih);
+#ifdef __NetBSD__
+	sc->sc_ih = eisa_intr_establish(ec, ih, IST_LEVEL, IPL_BIO,
+	    dpt_intr, sc);
+#endif /* __NetBSD__ */
+#ifdef __OpenBSD__
+	sc->sc_ih = eisa_intr_establish(ec, ih, IST_LEVEL, IPL_BIO,
+	    dpt_intr, sc, sc->sc_dv.dv_xname);
+#endif /* __OpenBSD__ */
+	if (sc->sc_ih == NULL) {
+		printf("can't establish interrupt");
+		if (intrstr != NULL)
+			printf(" at %s", intrstr);
+		printf("\n");
+		return;
+	}
+
+	/* Read the EATA configuration */
+	if (dpt_readcfg(sc)) {
+		printf("%s: readcfg failed - see dpt(4)\n", 
+		    sc->sc_dv.dv_xname);
+		return;	
+	}
+
+	/* Now attach to the bus-independant code */
+	dpt_init(sc, intrstr);
+}
diff --git a/sys/dev/eisa/files.eisa b/sys/dev/eisa/files.eisa
index 8e26747fb2c..22ff6417699 100644
--- a/sys/dev/eisa/files.eisa
+++ b/sys/dev/eisa/files.eisa
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.eisa,v 1.8 1996/11/28 23:27:40 niklas Exp $
+#	$OpenBSD: files.eisa,v 1.9 1999/11/30 07:55:55 cmetz Exp $
 #	$NetBSD: files.eisa,v 1.12 1996/09/01 00:10:55 mycroft Exp $
 #
 # Config.new file and device description for machine-independent EISA code.
@@ -24,6 +24,11 @@ file	dev/eisa/ahc_eisa.c		ahc_eisa
 attach	bha at eisa with bha_eisa
 file	dev/eisa/bha_eisa.c		bha_eisa
 
+# DPT EATA SCSI controllers
+# device declaration in sys/conf/files
+attach	dpt at eisa with dpt_eisa
+file	dev/eisa/dpt_eisa.c		dpt_eisa
+
 # UltraStor UHA-24f boards
 # device declaration in sys/conf/files
 attach	uha at eisa with uha_eisa