bussified and bus-split bustec scsi ha driver.

original port done by chris@ in '98 and pounded into
-current by me, plus support for wide mode.
tested on pci in both modes by me, on eisa (w/
half success, thus not enabled yet) by jason@.
niklas@, jason@, millert@ ok.

1 files changed, 107 insertions, 39 deletions

diff --git a/sys/dev/eisa/bha_eisa.c b/sys/dev/eisa/bha_eisa.c
index 78794a80f0e..397081d77c8 100644
--- a/sys/dev/eisa/bha_eisa.c
+++ b/sys/dev/eisa/bha_eisa.c
@@ -1,8 +1,12 @@
-/*	$OpenBSD: bha_eisa.c,v 1.1 1996/11/28 23:27:37 niklas Exp $	*/
-/*	$NetBSD: bha_eisa.c,v 1.5 1996/10/21 22:31:00 thorpej Exp $	*/
+/*	$OpenBSD: bha_eisa.c,v 1.2 2002/01/24 22:38:03 mickey Exp $	*/
+/*	$NetBSD: bha_eisa.c,v 1.16 1998/08/15 10:10:49 mycroft Exp $	*/
 
-/*
- * Copyright (c) 1994, 1996 Charles M. Hannum.  All rights reserved.
+/*-
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Charles M. Hannum.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -14,20 +18,23 @@
  *    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 M. 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 product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may 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.
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
  */
 
 #include <sys/types.h>
@@ -47,9 +54,13 @@
 #include <dev/ic/bhareg.h>
 #include <dev/ic/bhavar.h>
 
-#define	BHA_EISA_SLOT_OFFSET	0xc00
-#define	BHA_EISA_IOSIZE		0x100
+#define BHA_EISA_SLOT_OFFSET	0x0c80
+#define	BHA_EISA_IOSIZE		0x0010
+#define	BHA_ISA_IOSIZE		0x0004
+
+#define	BHA_EISA_IOCONF		0x0c
 
+int	bha_eisa_address __P((bus_space_tag_t, bus_space_handle_t, int *));
 int	bha_eisa_match __P((struct device *, void *, void *));
 void	bha_eisa_attach __P((struct device *, struct device *, void *));
 
@@ -57,6 +68,41 @@ struct cfattach bha_eisa_ca = {
 	sizeof(struct bha_softc), bha_eisa_match, bha_eisa_attach
 };
 
+int
+bha_eisa_address(iot, ioh, portp)
+	bus_space_tag_t iot;
+	bus_space_handle_t ioh;
+	int *portp;
+{
+	int port;
+
+	switch (bus_space_read_1(iot, ioh, BHA_EISA_IOCONF) & 0x07) {
+	case 0x00:
+		port = 0x330;
+		break;
+	case 0x01:
+		port = 0x334;
+		break;
+	case 0x02:
+		port = 0x230;
+		break;
+	case 0x03:
+		port = 0x234;
+		break;
+	case 0x04:
+		port = 0x130;
+		break;
+	case 0x05:
+		port = 0x134;
+		break;
+	default:
+		return (1);
+	}
+
+	*portp = port;
+	return (0);
+}
+
 /*
  * Check the slots looking for a board we recognise
  * If we find one, note it's address (slot) and call
@@ -65,11 +111,12 @@ struct cfattach bha_eisa_ca = {
 int
 bha_eisa_match(parent, match, aux)
 	struct device *parent;
-	void *match, *aux;
+	void *aux, *match;
 {
 	struct eisa_attach_args *ea = aux;
 	bus_space_tag_t iot = ea->ea_iot;
-	bus_space_handle_t ioh;
+	bus_space_handle_t ioh, ioh2;
+	int port;
 	int rv;
 
 	/* must match one of our known ID strings */
@@ -77,12 +124,20 @@ bha_eisa_match(parent, match, aux)
 	    strcmp(ea->ea_idstring, "BUS4202"))
 		return (0);
 
-	if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) +
-	    BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE, 0, &ioh))
+	if (bus_space_map(iot,
+	    EISA_SLOT_ADDR(ea->ea_slot) + BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE,
+	    0, &ioh))
 		return (0);
 
-	rv = bha_find(iot, ioh, NULL);
+	if (bha_eisa_address(iot, ioh, &port) ||
+	    bus_space_map(iot, port, BHA_ISA_IOSIZE, 0, &ioh2)) {
+		bus_space_unmap(iot, ioh, BHA_EISA_IOSIZE);
+		return (0);
+	}
+
+	rv = bha_find(iot, ioh2, NULL);
 
+	bus_space_unmap(iot, ioh2, BHA_ISA_IOSIZE);
 	bus_space_unmap(iot, ioh, BHA_EISA_IOSIZE);
 
 	return (rv);
@@ -99,7 +154,9 @@ bha_eisa_attach(parent, self, aux)
 	struct eisa_attach_args *ea = aux;
 	struct bha_softc *sc = (void *)self;
 	bus_space_tag_t iot = ea->ea_iot;
-	bus_space_handle_t ioh;
+	bus_space_handle_t ioh, ioh2;
+	int port;
+	struct bha_probe_data bpd;
 	eisa_chipset_tag_t ec = ea->ea_ec;
 	eisa_intr_handle_t ih;
 	const char *model, *intrstr;
@@ -110,34 +167,45 @@ bha_eisa_attach(parent, self, aux)
 		model = EISA_PRODUCT_BUS4202;
 	else
 		model = "unknown model!";
-	printf(": %s\n", model);
 
-	if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) +
-	    BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE, 0, &ioh))
-		panic("bha_attach: could not map I/O addresses");
+	if (bus_space_map(iot,
+	    EISA_SLOT_ADDR(ea->ea_slot) + BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE,
+	    0, &ioh)) {
+		printf(": could not map EISA slot\n");
+		return;
+	}
+
+	if (bha_eisa_address(iot, ioh, &port) ||
+	    bus_space_map(iot, port, BHA_ISA_IOSIZE, 0, &ioh2)) {
+		printf(": could not map ISA address\n");
+		return;
+	}
 
 	sc->sc_iot = iot;
-	sc->sc_ioh = ioh;
-	if (!bha_find(iot, ioh, sc))
-		panic("bha_attach: bha_find failed!");
+	sc->sc_ioh = ioh2;
+	sc->sc_dmat = ea->ea_dmat;
+	if (!bha_find(iot, ioh2, &bpd)) {
+		printf(": bha_find failed\n");
+		return;
+	}
+
+	sc->sc_dmaflags = 0;
 
-	if (eisa_intr_map(ec, sc->sc_irq, &ih)) {
-		printf("%s: couldn't map interrupt (%d)\n",
-		    sc->sc_dev.dv_xname, sc->sc_irq);
+	if (eisa_intr_map(ec, bpd.sc_irq, &ih)) {
+		printf(": couldn't map interrupt (%d)\n", bpd.sc_irq);
 		return;
 	}
 	intrstr = eisa_intr_string(ec, ih);
 	sc->sc_ih = eisa_intr_establish(ec, ih, IST_LEVEL, IPL_BIO,
 	    bha_intr, sc, sc->sc_dev.dv_xname);
 	if (sc->sc_ih == NULL) {
-		printf("%s: couldn't establish interrupt",
-		    sc->sc_dev.dv_xname);
+		printf(": couldn't establish interrupt");
 		if (intrstr != NULL)
 			printf(" at %s", intrstr);
 		printf("\n");
 		return;
 	}
-	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
+	printf(": %s, %s\n", intrstr, model);
 
-	bha_attach(sc);
+	bha_attach(sc, &bpd);
 }