AdvanSys PCI SCSI driver, from NetBSD; dante@mclink.it.

2 files changed, 247 insertions, 1 deletions

diff --git a/sys/dev/pci/adv_pci.c b/sys/dev/pci/adv_pci.c
new file mode 100644
index 00000000000..bdd6ef6c31b
--- /dev/null
+++ b/sys/dev/pci/adv_pci.c
@@ -0,0 +1,239 @@
+/*	$OpenBSD: adv_pci.c,v 1.1 1998/09/27 03:38:09 downsj Exp $	*/
+/*	$NetBSD: adv_pci.c,v 1.4 1998/08/31 17:15:25 dante Exp $	*/
+
+/*
+ * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
+ * 
+ * Author: Baldassare Dante Profeta <dante@mclink.it>
+ * 
+ * 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 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 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.
+ */
+/*
+ * Device probe and attach routines for the following
+ * Advanced Systems Inc. SCSI controllers:
+ *
+ *    Connectivity Products:
+ *      ABP920 - Bus-Master PCI (16 CDB)
+ *      ABP930 - Bus-Master PCI (16 CDB)		(Footnote 2)
+ *      ABP930U - Bus-Master PCI Ultra (16 CDB)
+ *      ABP930UA - Bus-Master PCI Ultra (16 CDB)
+ *      ABP960 - Bus-Master PCI MAC/PC (16 CDB)		(Footnote 1)
+ *      ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB)	(Footnote 1)
+ *
+ *   Single Channel Products:
+ *      ABP940 - Bus-Master PCI (240 CDB)
+ *      ABP940U - Bus-Master PCI Ultra (240 CDB)
+ *      ABP970 - Bus-Master PCI MAC/PC (240 CDB)
+ *      ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB)
+ *      ABP940UW - Bus-Master PCI Ultra-Wide (240 CDB)
+ *
+ *   Multi Channel Products:
+ *      ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel)
+ *      ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel)
+ *      ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel)
+ *
+ *   Footnotes:
+ *     1. This board has been sold by Iomega as a Jaz Jet PCI adapter.
+ *     2. This board has been sold by SIIG as the Fast SCSI Pro PCI.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/queue.h>
+#include <sys/device.h>
+
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#include <scsi/scsi_all.h>
+#include <scsi/scsiconf.h>
+
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcidevs.h>
+
+#include <dev/ic/adv.h>
+#include <dev/ic/advlib.h>
+
+/******************************************************************************/
+
+#define PCI_CBIO        0x10
+
+/******************************************************************************/
+
+int	adv_pci_match __P((struct device *, void *, void *));
+void	adv_pci_attach __P((struct device *, struct device *, void *));
+
+struct cfattach adv_pci_ca =
+{
+	sizeof(ASC_SOFTC), adv_pci_match, adv_pci_attach
+};
+
+/******************************************************************************/
+/*
+ * Check the slots looking for a board we recognise
+ * If we find one, note it's address (slot) and call
+ * the actual probe routine to check it out.
+ */
+int 
+adv_pci_match(parent, match, aux)
+	struct device *parent;
+	void *match, *aux;
+{
+	struct pci_attach_args *pa = aux;
+
+	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
+		switch (PCI_PRODUCT(pa->pa_id)) {
+		case PCI_PRODUCT_ADVSYS_1200A:
+		case PCI_PRODUCT_ADVSYS_1200B:
+		case PCI_PRODUCT_ADVSYS_ULTRA:
+			return (1);
+		case PCI_PRODUCT_ADVSYS_2300:
+			return (0);
+		}
+
+	return 0;
+}
+
+
+void 
+adv_pci_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct pci_attach_args *pa = aux;
+	ASC_SOFTC      *sc = (void *) self;
+	bus_space_handle_t ioh;
+	bus_addr_t advbase;
+	bus_size_t advsize;
+	pci_intr_handle_t ih;
+	pci_chipset_tag_t pc = pa->pa_pc;
+	u_int32_t       command;
+	const char     *intrstr;
+	int retval;
+
+	sc->sc_flags = 0x0;
+	if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) &&
+	    (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_2300)) {
+			sc->sc_flags |= ASC_WIDE_BOARD;
+			printf("(unsupported wide board)");
+	}
+
+	/*
+	 * Make sure IO/MEM/MASTER are enabled
+	 */
+	command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
+	if ((command & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
+			PCI_COMMAND_MASTER_ENABLE)) !=
+	    (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
+	     PCI_COMMAND_MASTER_ENABLE)) {
+		pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
+		 command | (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
+			    PCI_COMMAND_MASTER_ENABLE));
+	}
+	/*
+	 * Latency timer settings.
+	 */
+	{
+		u_int32_t       bhlcr;
+
+		bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
+
+		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A ||
+		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) {
+			bhlcr &= 0xFFFF00FFul;
+			pci_conf_write(pa->pa_pc, pa->pa_tag,
+					PCI_BHLC_REG, bhlcr);
+		} else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA) &&
+			   (PCI_LATTIMER(bhlcr) < 0x20)) {
+			bhlcr &= 0xFFFF00FFul;
+			bhlcr |= 0x00002000ul;
+			pci_conf_write(pa->pa_pc, pa->pa_tag,
+					PCI_BHLC_REG, bhlcr);
+		}
+	}
+
+
+	/*
+	 * Map Device Registers for I/O
+	 */
+	retval = pci_io_find(pc, pa->pa_tag, PCI_CBIO, &advbase, &advsize);
+	if (retval == 0)
+		retval = bus_space_map(pa->pa_iot, advbase, advsize, 0, &ioh);
+	if (retval) {
+		printf("\n%s: unable to map device registers\n",
+		       sc->sc_dev.dv_xname);
+		return;
+	}
+	sc->sc_iot = pa->pa_iot;
+	sc->sc_ioh = ioh;
+	sc->sc_dmat = pa->pa_dmat;
+	sc->pci_device_id = pa->pa_id;
+	sc->bus_type = ASC_IS_PCI;
+
+	/*
+	 * Initialize the board
+	 */
+	if (adv_init(sc))
+		panic("adv_pci_attach: adv_init failed");
+
+	/*
+	 * Map Interrupt line
+	 */
+	if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
+			 pa->pa_intrline, &ih)) {
+		printf("\n%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
+		return;
+	}
+	intrstr = pci_intr_string(pc, ih);
+
+	/*
+	 * Establish Interrupt handler
+	 */
+	sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adv_intr, sc,
+				       sc->sc_dev.dv_xname);
+	if (sc->sc_ih == NULL) {
+		printf("\n%s: couldn't establish interrupt",
+		       sc->sc_dev.dv_xname);
+		if (intrstr != NULL)
+			printf(" at %s", intrstr);
+		printf("\n");
+		return;
+	}
+	printf(": %s\n", intrstr);
+
+	/*
+	 * Attach all the sub-devices we can find
+	 */
+	adv_attach(sc);
+}
+/******************************************************************************/
diff --git a/sys/dev/pci/files.pci b/sys/dev/pci/files.pci
index 81224cc750a..2b7f5a524d4 100644
--- a/sys/dev/pci/files.pci
+++ b/sys/dev/pci/files.pci
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.pci,v 1.22 1998/09/22 18:58:02 deraadt Exp $
+#	$OpenBSD: files.pci,v 1.23 1998/09/27 03:38:09 downsj Exp $
 #	$NetBSD: files.pci,v 1.20 1996/09/24 17:47:15 christos Exp $
 #
 # Config.new file and device description for machine-independent PCI code.
@@ -20,6 +20,13 @@ attach	ahc at pci with ahc_pci
 file	dev/pci/ahc_pci.c		ahc_pci
 file	dev/ic/smc93cx6.c		ahc_pci
 
+# AdvanSys 1200A, 1200B, and ULTRA SCSI controllers
+# device declaration in sys/conf/files
+attach	adv at pci with adv_pci
+file	dev/pci/adv_pci.c		adv_pci
+file	dev/ic/advlib.c			adv_pci
+file	dev/ic/advmcode.c		adv_pci
+
 # BusLogic BT-9xx PCI family
 # device declaration in sys/dev/isa/files.isa
 attach	bha at pci with bha_pci