patch-2.4.3 linux/drivers/scsi/aic7xxx/aic7xxx_pci.c

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diff -u --recursive --new-file v2.4.2/linux/drivers/scsi/aic7xxx/aic7xxx_pci.c linux/drivers/scsi/aic7xxx/aic7xxx_pci.c
@@ -0,0 +1,2137 @@
+/*
+ * Product specific probe and attach routines for:
+ *      3940, 2940, aic7895, aic7890, aic7880,
+ *	aic7870, aic7860 and aic7850 SCSI controllers
+ *
+ * Copyright (c) 1995-2000 Justin T. Gibbs
+ * 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,
+ *    without modification, immediately at the beginning of the file.
+ * 2. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU Public License ("GPL").
+ *
+ * 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.
+ *
+ * $Id: //depot/src/aic7xxx/aic7xxx_pci.c#17 $
+ *
+ * $FreeBSD: src/sys/dev/aic7xxx/aic7xxx_pci.c,v 1.6 2000/11/10 20:13:41 gibbs Exp $
+ */
+
+#include "aic7xxx_osm.h"
+#include "aic7xxx_inline.h"
+#include "aic7xxx_93cx6.h"
+
+#define AHC_PCI_IOADDR	PCIR_MAPS	/* I/O Address */
+#define AHC_PCI_MEMADDR	(PCIR_MAPS + 4)	/* Mem I/O Address */
+
+static __inline uint64_t
+ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
+{
+	uint64_t id;
+
+	id = subvendor
+	   | (subdevice << 16)
+	   | ((uint64_t)vendor << 32)
+	   | ((uint64_t)device << 48);
+
+	return (id);
+}
+
+#define ID_ALL_MASK			0xFFFFFFFFFFFFFFFFull
+#define ID_DEV_VENDOR_MASK		0xFFFFFFFF00000000ull
+#define ID_9005_GENERIC_MASK		0xFFF0FFFF00000000ull
+#define ID_9005_SISL_MASK		0x000FFFFF00000000ull
+#define ID_9005_SISL_ID			0x0005900500000000ull
+#define ID_AIC7850			0x5078900400000000ull
+#define ID_AHA_2902_04_10_15_20_30C	0x5078900478509004ull
+#define ID_AIC7855			0x5578900400000000ull
+#define ID_AIC7859			0x3860900400000000ull
+#define ID_AHA_2930CU			0x3860900438699004ull
+#define ID_AIC7860			0x6078900400000000ull
+#define ID_AIC7860C			0x6078900478609004ull
+#define ID_AHA_1480A			0x6075900400000000ull
+#define ID_AHA_2940AU_0			0x6178900400000000ull
+#define ID_AHA_2940AU_1			0x6178900478619004ull
+#define ID_AHA_2940AU_CN		0x2178900478219004ull
+#define ID_AHA_2930C_VAR		0x6038900438689004ull
+
+#define ID_AIC7870			0x7078900400000000ull
+#define ID_AHA_2940			0x7178900400000000ull
+#define ID_AHA_3940			0x7278900400000000ull
+#define ID_AHA_398X			0x7378900400000000ull
+#define ID_AHA_2944			0x7478900400000000ull
+#define ID_AHA_3944			0x7578900400000000ull
+#define ID_AHA_4944			0x7678900400000000ull
+
+#define ID_AIC7880			0x8078900400000000ull
+#define ID_AIC7880_B			0x8078900478809004ull
+#define ID_AHA_2940U			0x8178900400000000ull
+#define ID_AHA_3940U			0x8278900400000000ull
+#define ID_AHA_2944U			0x8478900400000000ull
+#define ID_AHA_3944U			0x8578900400000000ull
+#define ID_AHA_398XU			0x8378900400000000ull
+#define ID_AHA_4944U			0x8678900400000000ull
+#define ID_AHA_2940UB			0x8178900478819004ull
+#define ID_AHA_2930U			0x8878900478889004ull
+#define ID_AHA_2940U_PRO		0x8778900478879004ull
+#define ID_AHA_2940U_CN			0x0078900478009004ull
+
+#define ID_AIC7895			0x7895900478959004ull
+#define ID_AIC7895_ARO			0x7890900478939004ull
+#define ID_AIC7895_ARO_MASK		0xFFF0FFFFFFFFFFFFull
+#define ID_AHA_2940U_DUAL		0x7895900478919004ull
+#define ID_AHA_3940AU			0x7895900478929004ull
+#define ID_AHA_3944AU			0x7895900478949004ull
+
+#define ID_AIC7890			0x001F9005000F9005ull
+#define ID_AIC7890_ARO			0x00139005000F9005ull
+#define ID_AAA_131U2			0x0013900500039005ull
+#define ID_AHA_2930U2			0x0011900501819005ull
+#define ID_AHA_2940U2B			0x00109005A1009005ull
+#define ID_AHA_2940U2_OEM		0x0010900521809005ull
+#define ID_AHA_2940U2			0x00109005A1809005ull
+#define ID_AHA_2950U2B			0x00109005E1009005ull
+
+#define ID_AIC7892			0x008F9005FFFF9005ull
+#define ID_AIC7892_ARO			0x00839005FFFF9005ull
+#define ID_AHA_29160			0x00809005E2A09005ull
+#define ID_AHA_29160_CPQ		0x00809005E2A00E11ull
+#define ID_AHA_29160N			0x0080900562A09005ull
+#define ID_AHA_29160C			0x0080900562209005ull
+#define ID_AHA_29160B			0x00809005E2209005ull
+#define ID_AHA_19160B			0x0081900562A19005ull
+
+#define ID_AIC7896			0x005F9005FFFF9005ull
+#define ID_AIC7896_ARO			0x00539005FFFF9005ull
+#define ID_AHA_3950U2B_0		0x00509005FFFF9005ull
+#define ID_AHA_3950U2B_1		0x00509005F5009005ull
+#define ID_AHA_3950U2D_0		0x00519005FFFF9005ull
+#define ID_AHA_3950U2D_1		0x00519005B5009005ull
+
+#define ID_AIC7899			0x00CF9005FFFF9005ull
+#define ID_AIC7899_ARO			0x00C39005FFFF9005ull
+#define ID_AHA_3960D			0x00C09005F6209005ull
+#define ID_AHA_3960D_CPQ		0x00C09005F6200E11ull
+
+#define ID_AIC7810			0x1078900400000000ull
+#define ID_AIC7815			0x7815900400000000ull
+
+#define DEVID_9005_TYPE(id) ((id) & 0xF)
+#define		DEVID_9005_TYPE_HBA		0x0	/* Standard Card */
+#define		DEVID_9005_TYPE_AAA		0x3	/* RAID Card */
+#define		DEVID_9005_TYPE_SISL		0x5	/* Low Cost Card */
+#define		DEVID_9005_TYPE_MB		0xF	/* On Motherboard */
+
+#define DEVID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
+#define		DEVID_9005_MAXRATE_U160		0x0
+#define		DEVID_9005_MAXRATE_ULTRA2	0x1
+#define		DEVID_9005_MAXRATE_ULTRA	0x2
+#define		DEVID_9005_MAXRATE_FAST		0x3
+
+#define DEVID_9005_MFUNC(id) (((id) & 0x40) >> 6)
+
+#define DEVID_9005_CLASS(id) (((id) & 0xFF00) >> 8)
+#define		DEVID_9005_CLASS_SPI		0x0	/* Parallel SCSI */
+
+#define SUBID_9005_TYPE(id) ((id) & 0xF)
+#define		SUBID_9005_TYPE_MB		0xF	/* On Motherboard */
+#define		SUBID_9005_TYPE_CARD		0x0	/* Standard Card */
+#define		SUBID_9005_TYPE_LCCARD		0x1	/* Low Cost Card */
+#define		SUBID_9005_TYPE_RAID		0x3	/* Combined with Raid */
+
+#define SUBID_9005_TYPE_KNOWN(id)			\
+	  ((((id) & 0xF) == SUBID_9005_TYPE_MB)		\
+	|| (((id) & 0xF) == SUBID_9005_TYPE_CARD)	\
+	|| (((id) & 0xF) == SUBID_9005_TYPE_LCCARD)	\
+	|| (((id) & 0xF) == SUBID_9005_TYPE_RAID))
+
+#define SUBID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
+#define		SUBID_9005_MAXRATE_ULTRA2	0x0
+#define		SUBID_9005_MAXRATE_ULTRA	0x1
+#define		SUBID_9005_MAXRATE_U160		0x2
+#define		SUBID_9005_MAXRATE_RESERVED	0x3
+
+#define SUBID_9005_SEEPTYPE(id)						\
+	((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)			\
+	 ? ((id) & 0xC0) >> 6						\
+	 : ((id) & 0x300) >> 8)
+#define		SUBID_9005_SEEPTYPE_NONE	0x0
+#define		SUBID_9005_SEEPTYPE_1K		0x1
+#define		SUBID_9005_SEEPTYPE_2K_4K	0x2
+#define		SUBID_9005_SEEPTYPE_RESERVED	0x3
+#define SUBID_9005_AUTOTERM(id)						\
+	((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)			\
+	 ? (((id) & 0x400) >> 10) == 0					\
+	 : (((id) & 0x40) >> 6) == 0)
+
+#define SUBID_9005_NUMCHAN(id)						\
+	((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)			\
+	 ? ((id) & 0x300) >> 8						\
+	 : ((id) & 0xC00) >> 10)
+
+#define SUBID_9005_LEGACYCONN(id)					\
+	((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)			\
+	 ? 0								\
+	 : ((id) & 0x80) >> 7)
+
+#define SUBID_9005_MFUNCENB(id)						\
+	((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)			\
+	 ? ((id) & 0x800) >> 11						\
+	 : ((id) & 0x1000) >> 12)
+/*
+ * Informational only. Should use chip register to be
+ * ceratian, but may be use in identification strings.
+ */
+#define SUBID_9005_CARD_SCSIWIDTH_MASK	0x2000
+#define SUBID_9005_CARD_PCIWIDTH_MASK	0x4000
+#define SUBID_9005_CARD_SEDIFF_MASK	0x8000
+
+static ahc_device_setup_t ahc_aic785X_setup;
+static ahc_device_setup_t ahc_aic7860_setup;
+static ahc_device_setup_t ahc_apa1480_setup;
+static ahc_device_setup_t ahc_aic7870_setup;
+static ahc_device_setup_t ahc_aha394X_setup;
+static ahc_device_setup_t ahc_aha494X_setup;
+static ahc_device_setup_t ahc_aha398X_setup;
+static ahc_device_setup_t ahc_aic7880_setup;
+static ahc_device_setup_t ahc_aha2940Pro_setup;
+static ahc_device_setup_t ahc_aha394XU_setup;
+static ahc_device_setup_t ahc_aha398XU_setup;
+static ahc_device_setup_t ahc_aic7890_setup;
+static ahc_device_setup_t ahc_aic7892_setup;
+static ahc_device_setup_t ahc_aic7895_setup;
+static ahc_device_setup_t ahc_aic7896_setup;
+static ahc_device_setup_t ahc_aic7899_setup;
+static ahc_device_setup_t ahc_aha29160C_setup;
+static ahc_device_setup_t ahc_raid_setup;
+static ahc_device_setup_t ahc_aha394XX_setup;
+static ahc_device_setup_t ahc_aha494XX_setup;
+static ahc_device_setup_t ahc_aha398XX_setup;
+
+struct ahc_pci_identity ahc_pci_ident_table [] =
+{
+	/* aic7850 based controllers */
+	{
+		ID_AHA_2902_04_10_15_20_30C,
+		ID_ALL_MASK,
+		"Adaptec 2902/04/10/15/20/30C SCSI adapter",
+		ahc_aic785X_setup
+	},
+	/* aic7860 based controllers */
+	{
+		ID_AHA_2930CU,
+		ID_ALL_MASK,
+		"Adaptec 2930CU SCSI adapter",
+		ahc_aic7860_setup
+	},
+	{
+		ID_AHA_1480A & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec 1480A Ultra SCSI adapter",
+		ahc_apa1480_setup
+	},
+	{
+		ID_AHA_2940AU_0 & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec 2940A Ultra SCSI adapter",
+		ahc_aic7860_setup
+	},
+	{
+		ID_AHA_2940AU_CN & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec 2940A/CN Ultra SCSI adapter",
+		ahc_aic7860_setup
+	},
+	{
+		ID_AHA_2930C_VAR & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec 2930C SCSI adapter (VAR)",
+		ahc_aic7860_setup
+	},
+	/* aic7870 based controllers */
+	{
+		ID_AHA_2940,
+		ID_ALL_MASK,
+		"Adaptec 2940 SCSI adapter",
+		ahc_aic7870_setup
+	},
+	{
+		ID_AHA_3940,
+		ID_ALL_MASK,
+		"Adaptec 3940 SCSI adapter",
+		ahc_aha394X_setup
+	},
+	{
+		ID_AHA_398X,
+		ID_ALL_MASK,
+		"Adaptec 398X SCSI RAID adapter",
+		ahc_aha398X_setup
+	},
+	{
+		ID_AHA_2944,
+		ID_ALL_MASK,
+		"Adaptec 2944 SCSI adapter",
+		ahc_aic7870_setup
+	},
+	{
+		ID_AHA_3944,
+		ID_ALL_MASK,
+		"Adaptec 3944 SCSI adapter",
+		ahc_aha394X_setup
+	},
+	{
+		ID_AHA_4944,
+		ID_ALL_MASK,
+		"Adaptec 4944 SCSI adapter",
+		ahc_aha494X_setup
+	},
+	/* aic7880 based controllers */
+	{
+		ID_AHA_2940U & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec 2940 Ultra SCSI adapter",
+		ahc_aic7880_setup
+	},
+	{
+		ID_AHA_3940U & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec 3940 Ultra SCSI adapter",
+		ahc_aha394XU_setup
+	},
+	{
+		ID_AHA_2944U & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec 2944 Ultra SCSI adapter",
+		ahc_aic7880_setup
+	},
+	{
+		ID_AHA_3944U & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec 3944 Ultra SCSI adapter",
+		ahc_aha394XU_setup
+	},
+	{
+		ID_AHA_398XU & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec 398X Ultra SCSI RAID adapter",
+		ahc_aha398XU_setup
+	},
+	{
+		/*
+		 * XXX Don't know the slot numbers
+		 * so we can't identify channels
+		 */
+		ID_AHA_4944U & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec 4944 Ultra SCSI adapter",
+		ahc_aic7880_setup
+	},
+	{
+		ID_AHA_2930U & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec 2930 Ultra SCSI adapter",
+		ahc_aic7880_setup
+	},
+	{
+		ID_AHA_2940U_PRO & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec 2940 Pro Ultra SCSI adapter",
+		ahc_aha2940Pro_setup
+	},
+	{
+		ID_AHA_2940U_CN & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec 2940/CN Ultra SCSI adapter",
+		ahc_aic7880_setup
+	},
+	/* Ignore all SISL (AAC on MB) based controllers. */
+	{
+		ID_9005_SISL_ID,
+		ID_9005_SISL_MASK,
+		NULL,
+		NULL
+	},
+	/* aic7890 based controllers */
+	{
+		ID_AHA_2930U2,
+		ID_ALL_MASK,
+		"Adaptec 2930 Ultra2 SCSI adapter",
+		ahc_aic7890_setup
+	},
+	{
+		ID_AHA_2940U2B,
+		ID_ALL_MASK,
+		"Adaptec 2940B Ultra2 SCSI adapter",
+		ahc_aic7890_setup
+	},
+	{
+		ID_AHA_2940U2_OEM,
+		ID_ALL_MASK,
+		"Adaptec 2940 Ultra2 SCSI adapter (OEM)",
+		ahc_aic7890_setup
+	},
+	{
+		ID_AHA_2940U2,
+		ID_ALL_MASK,
+		"Adaptec 2940 Ultra2 SCSI adapter",
+		ahc_aic7890_setup
+	},
+	{
+		ID_AHA_2950U2B,
+		ID_ALL_MASK,
+		"Adaptec 2950 Ultra2 SCSI adapter",
+		ahc_aic7890_setup
+	},
+	{
+		ID_AIC7890_ARO,
+		ID_ALL_MASK,
+		"Adaptec aic7890/91 Ultra2 SCSI adapter (ARO)",
+		ahc_aic7890_setup
+	},
+	{
+		ID_AAA_131U2,
+		ID_ALL_MASK,
+		"Adaptec AAA-131 Ultra2 RAID adapter",
+		ahc_aic7890_setup
+	},
+	/* aic7892 based controllers */
+	{
+		ID_AHA_29160,
+		ID_ALL_MASK,
+		"Adaptec 29160 Ultra160 SCSI adapter",
+		ahc_aic7892_setup
+	},
+	{
+		ID_AHA_29160_CPQ,
+		ID_ALL_MASK,
+		"Adaptec (Compaq OEM) 29160 Ultra160 SCSI adapter",
+		ahc_aic7892_setup
+	},
+	{
+		ID_AHA_29160N,
+		ID_ALL_MASK,
+		"Adaptec 29160N Ultra160 SCSI adapter",
+		ahc_aic7892_setup
+	},
+	{
+		ID_AHA_29160C,
+		ID_ALL_MASK,
+		"Adaptec 29160C Ultra160 SCSI adapter",
+		ahc_aha29160C_setup
+	},
+	{
+		ID_AHA_29160B,
+		ID_ALL_MASK,
+		"Adaptec 29160B Ultra160 SCSI adapter",
+		ahc_aic7892_setup
+	},
+	{
+		ID_AHA_19160B,
+		ID_ALL_MASK,
+		"Adaptec 19160B Ultra160 SCSI adapter",
+		ahc_aic7892_setup
+	},
+	{
+		ID_AIC7892_ARO,
+		ID_ALL_MASK,
+		"Adaptec aic7892 Ultra2 SCSI adapter (ARO)",
+		ahc_aic7892_setup
+	},
+	/* aic7895 based controllers */	
+	{
+		ID_AHA_2940U_DUAL,
+		ID_ALL_MASK,
+		"Adaptec 2940/DUAL Ultra SCSI adapter",
+		ahc_aic7895_setup
+	},
+	{
+		ID_AHA_3940AU,
+		ID_ALL_MASK,
+		"Adaptec 3940A Ultra SCSI adapter",
+		ahc_aic7895_setup
+	},
+	{
+		ID_AHA_3944AU,
+		ID_ALL_MASK,
+		"Adaptec 3944A Ultra SCSI adapter",
+		ahc_aic7895_setup
+	},
+	{
+		ID_AIC7895_ARO,
+		ID_AIC7895_ARO_MASK,
+		"Adaptec aic7895 Ultra SCSI adapter (ARO)",
+		ahc_aic7895_setup
+	},
+	/* aic7896/97 based controllers */	
+	{
+		ID_AHA_3950U2B_0,
+		ID_ALL_MASK,
+		"Adaptec 3950B Ultra2 SCSI adapter",
+		ahc_aic7896_setup
+	},
+	{
+		ID_AHA_3950U2B_1,
+		ID_ALL_MASK,
+		"Adaptec 3950B Ultra2 SCSI adapter",
+		ahc_aic7896_setup
+	},
+	{
+		ID_AHA_3950U2D_0,
+		ID_ALL_MASK,
+		"Adaptec 3950D Ultra2 SCSI adapter",
+		ahc_aic7896_setup
+	},
+	{
+		ID_AHA_3950U2D_1,
+		ID_ALL_MASK,
+		"Adaptec 3950D Ultra2 SCSI adapter",
+		ahc_aic7896_setup
+	},
+	{
+		ID_AIC7896_ARO,
+		ID_ALL_MASK,
+		"Adaptec aic7896/97 Ultra2 SCSI adapter (ARO)",
+		ahc_aic7896_setup
+	},
+	/* aic7899 based controllers */	
+	{
+		ID_AHA_3960D,
+		ID_ALL_MASK,
+		"Adaptec 3960D Ultra160 SCSI adapter",
+		ahc_aic7899_setup
+	},
+	{
+		ID_AHA_3960D_CPQ,
+		ID_ALL_MASK,
+		"Adaptec (Compaq OEM) 3960D Ultra160 SCSI adapter",
+		ahc_aic7899_setup
+	},
+	{
+		ID_AIC7899_ARO,
+		ID_ALL_MASK,
+		"Adaptec aic7899 Ultra160 SCSI adapter (ARO)",
+		ahc_aic7899_setup
+	},
+	/* Generic chip probes for devices we don't know 'exactly' */
+	{
+		ID_AIC7850 & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec aic7850 SCSI adapter",
+		ahc_aic785X_setup
+	},
+	{
+		ID_AIC7855 & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec aic7855 SCSI adapter",
+		ahc_aic785X_setup
+	},
+	{
+		ID_AIC7859 & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec aic7859 Ultra SCSI adapter",
+		ahc_aic7860_setup
+	},
+	{
+		ID_AIC7860 & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec aic7860 SCSI adapter",
+		ahc_aic7860_setup
+	},
+	{
+		ID_AIC7870 & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec aic7870 SCSI adapter",
+		ahc_aic7870_setup
+	},
+	{
+		ID_AIC7880 & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec aic7880 Ultra SCSI adapter",
+		ahc_aic7880_setup
+	},
+	{
+		ID_AIC7890 & ID_9005_GENERIC_MASK,
+		ID_9005_GENERIC_MASK,
+		"Adaptec aic7890/91 Ultra2 SCSI adapter",
+		ahc_aic7890_setup
+	},
+	{
+		ID_AIC7892 & ID_9005_GENERIC_MASK,
+		ID_9005_GENERIC_MASK,
+		"Adaptec aic7892 Ultra160 SCSI adapter",
+		ahc_aic7892_setup
+	},
+	{
+		ID_AIC7895 & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec aic7895 Ultra SCSI adapter",
+		ahc_aic7895_setup
+	},
+	{
+		ID_AIC7896 & ID_9005_GENERIC_MASK,
+		ID_9005_GENERIC_MASK,
+		"Adaptec aic7896/97 Ultra2 SCSI adapter",
+		ahc_aic7896_setup
+	},
+	{
+		ID_AIC7899 & ID_9005_GENERIC_MASK,
+		ID_9005_GENERIC_MASK,
+		"Adaptec aic7899 Ultra160 SCSI adapter",
+		ahc_aic7899_setup
+	},
+	{
+		ID_AIC7810 & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec aic7810 RAID memory controller",
+		ahc_raid_setup
+	},
+	{
+		ID_AIC7815 & ID_DEV_VENDOR_MASK,
+		ID_DEV_VENDOR_MASK,
+		"Adaptec aic7815 RAID memory controller",
+		ahc_raid_setup
+	}
+};
+
+const u_int ahc_num_pci_devs = NUM_ELEMENTS(ahc_pci_ident_table);
+		
+#define AHC_394X_SLOT_CHANNEL_A	4
+#define AHC_394X_SLOT_CHANNEL_B	5
+
+#define AHC_398X_SLOT_CHANNEL_A	4
+#define AHC_398X_SLOT_CHANNEL_B	8
+#define AHC_398X_SLOT_CHANNEL_C	12
+
+#define AHC_494X_SLOT_CHANNEL_A	4
+#define AHC_494X_SLOT_CHANNEL_B	5
+#define AHC_494X_SLOT_CHANNEL_C	6
+#define AHC_494X_SLOT_CHANNEL_D	7
+
+#define	DEVCONFIG		0x40
+#define		SCBSIZE32	0x00010000ul	/* aic789X only */
+#define		REXTVALID	0x00001000ul	/* ultra cards only */
+#define		MPORTMODE	0x00000400ul	/* aic7870 only */
+#define		RAMPSM		0x00000200ul	/* aic7870 only */
+#define		VOLSENSE	0x00000100ul
+#define		SCBRAMSEL	0x00000080ul
+#define		MRDCEN		0x00000040ul
+#define		EXTSCBTIME	0x00000020ul	/* aic7870 only */
+#define		EXTSCBPEN	0x00000010ul	/* aic7870 only */
+#define		BERREN		0x00000008ul
+#define		DACEN		0x00000004ul
+#define		STPWLEVEL	0x00000002ul
+#define		DIFACTNEGEN	0x00000001ul	/* aic7870 only */
+
+#define	CSIZE_LATTIME		0x0c
+#define		CACHESIZE	0x0000003ful	/* only 5 bits */
+#define		LATTIME		0x0000ff00ul
+
+typedef enum
+{
+	AHC_POWER_STATE_D0,
+	AHC_POWER_STATE_D1,
+	AHC_POWER_STATE_D2,
+	AHC_POWER_STATE_D3
+} ahc_power_state;
+
+static void ahc_power_state_change(struct ahc_softc *ahc,
+				   ahc_power_state new_state);
+static int ahc_ext_scbram_present(struct ahc_softc *ahc);
+static void ahc_scbram_config(struct ahc_softc *ahc, int enable,
+				  int pcheck, int fast, int large);
+static void ahc_probe_ext_scbram(struct ahc_softc *ahc);
+static void check_extport(struct ahc_softc *ahc, u_int *sxfrctl1);
+static void configure_termination(struct ahc_softc *ahc,
+				  struct seeprom_descriptor *sd,
+				  u_int adapter_control,
+	 			  u_int *sxfrctl1);
+
+static void ahc_new_term_detect(struct ahc_softc *ahc,
+				int *enableSEC_low,
+				int *enableSEC_high,
+				int *enablePRI_low,
+				int *enablePRI_high,
+				int *eeprom_present);
+static void aic787X_cable_detect(struct ahc_softc *ahc, int *internal50_present,
+				 int *internal68_present,
+				 int *externalcable_present,
+				 int *eeprom_present);
+static void aic785X_cable_detect(struct ahc_softc *ahc, int *internal50_present,
+				 int *externalcable_present,
+				 int *eeprom_present);
+static int acquire_seeprom(struct ahc_softc *ahc,
+			   struct seeprom_descriptor *sd);
+static void release_seeprom(struct seeprom_descriptor *sd);
+static void write_brdctl(struct ahc_softc *ahc, uint8_t value);
+static uint8_t read_brdctl(struct ahc_softc *ahc);
+
+struct ahc_pci_identity *
+ahc_find_pci_device(ahc_dev_softc_t pci)
+{
+	uint64_t  full_id;
+	uint16_t  device;
+	uint16_t  vendor;
+	uint16_t  subdevice;
+	uint16_t  subvendor;
+	struct	  ahc_pci_identity *entry;
+	u_int	  i;
+
+	vendor = ahc_pci_read_config(pci, PCIR_DEVVENDOR, /*bytes*/2);
+	device = ahc_pci_read_config(pci, PCIR_DEVICE, /*bytes*/2);
+	subvendor = ahc_pci_read_config(pci, PCIR_SUBVEND_0, /*bytes*/2);
+	subdevice = ahc_pci_read_config(pci, PCIR_SUBDEV_0, /*bytes*/2);
+	full_id = ahc_compose_id(device,
+				 vendor,
+				 subdevice,
+				 subvendor);
+
+	/* If the second function is not hooked up, ignore it. */
+	if (ahc_get_pci_function(pci) > 0
+	 && subvendor == 0x9005
+	 && SUBID_9005_TYPE_KNOWN(subdevice) != 0
+	 && SUBID_9005_MFUNCENB(subdevice) == 0)
+		return (NULL);
+
+	for (i = 0; i < ahc_num_pci_devs; i++) {
+		entry = &ahc_pci_ident_table[i];
+		if (entry->full_id == (full_id & entry->id_mask)) {
+			/* Honor exclusion entries. */
+			if (entry->name == NULL)
+				return (NULL);
+			return (entry);
+		}
+	}
+	return (NULL);
+}
+
+int
+ahc_pci_config(struct ahc_softc *ahc, struct ahc_pci_identity *entry)
+{
+	struct		 ahc_probe_config probe_config;
+	struct scb_data *shared_scb_data;
+	u_int		 command;
+	u_int		 our_id = 0;
+	u_int		 sxfrctl1;
+	u_int		 scsiseq;
+	u_int		 dscommand0;
+	int		 error;
+	uint8_t		 sblkctl;
+
+	shared_scb_data = NULL;
+	ahc_init_probe_config(&probe_config);
+	error = entry->setup(ahc->dev_softc, &probe_config);
+	if (error != 0)
+		return (error);
+	probe_config.chip |= AHC_PCI;
+	probe_config.description = entry->name;
+
+	error = ahc_pci_map_registers(ahc);
+	if (error != 0)
+		return (error);
+
+	ahc_power_state_change(ahc, AHC_POWER_STATE_D0);
+
+	/* Ensure busmastering is enabled */
+	command = ahc_pci_read_config(ahc->dev_softc, PCIR_COMMAND, /*bytes*/1);
+	command |= PCIM_CMD_BUSMASTEREN;
+	ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, command, /*bytes*/1);
+
+	/* On all PCI adapters, we allow SCB paging */
+	probe_config.flags |= AHC_PAGESCBS;
+
+	error = ahc_softc_init(ahc, &probe_config);
+	if (error != 0)
+		return (error);
+
+	/* Remeber how the card was setup in case there is no SEEPROM */
+	if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) {
+		pause_sequencer(ahc);
+		if ((ahc->features & AHC_ULTRA2) != 0)
+			our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID;
+		else
+			our_id = ahc_inb(ahc, SCSIID) & OID;
+		sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN;
+		scsiseq = ahc_inb(ahc, SCSISEQ);
+	} else {
+		sxfrctl1 = STPWEN;
+		our_id = 7;
+		scsiseq = 0;
+	}
+
+	error = ahc_reset(ahc);
+	if (error != 0)
+		return (ENXIO);
+
+	if ((ahc->features & AHC_DT) != 0) {
+		u_int sfunct;
+
+		/* Perform ALT-Mode Setup */
+		sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
+		ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
+		ahc_outb(ahc, OPTIONMODE, OPTIONMODE_DEFAULTS);
+		ahc_outb(ahc, SFUNCT, sfunct);
+
+		/* Normal mode setup */
+		ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN
+					  |TARGCRCENDEN);
+	}
+
+	error = ahc_pci_map_int(ahc);
+	if (error != 0)
+		return (error);
+	dscommand0 = ahc_inb(ahc, DSCOMMAND0);
+	dscommand0 |= MPARCKEN|CACHETHEN;
+	if ((ahc->features & AHC_ULTRA2) != 0) {
+
+		/*
+		 * DPARCKEN doesn't work correctly on
+		 * some MBs so don't use it.
+		 */
+		dscommand0 &= ~DPARCKEN;
+	}
+
+	/*
+	 * Handle chips that must have cache line
+	 * streaming (dis/en)abled.
+	 */
+	if ((ahc->bugs & AHC_CACHETHEN_DIS_BUG) != 0)
+		dscommand0 |= CACHETHEN;
+
+	if ((ahc->bugs & AHC_CACHETHEN_BUG) != 0)
+		dscommand0 &= ~CACHETHEN;
+
+	ahc_outb(ahc, DSCOMMAND0, dscommand0);
+
+	ahc->pci_cachesize =
+	    ahc_pci_read_config(ahc->dev_softc, CSIZE_LATTIME,
+				/*bytes*/1) & CACHESIZE;
+	ahc->pci_cachesize *= 4;
+
+	/* See if we have a SEEPROM and perform auto-term */
+	check_extport(ahc, &sxfrctl1);
+
+	/*
+	 * Take the LED out of diagnostic mode
+	 */
+	sblkctl = ahc_inb(ahc, SBLKCTL);
+	ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
+
+	if ((ahc->features & AHC_ULTRA2) != 0) {
+		ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_MAX|WR_DFTHRSH_MAX);
+	} else {
+		ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
+	}
+
+	if (ahc->flags & AHC_USEDEFAULTS) {
+		/*
+		 * PCI Adapter default setup
+		 * Should only be used if the adapter does not have
+		 * a SEEPROM.
+		 */
+		/* See if someone else set us up already */
+		if (scsiseq != 0) {
+			printf("%s: Using left over BIOS settings\n",
+				ahc_name(ahc));
+			ahc->flags &= ~AHC_USEDEFAULTS;
+			ahc->flags |= AHC_BIOS_ENABLED;
+		} else {
+			/*
+			 * Assume only one connector and always turn
+			 * on termination.
+			 */
+ 			our_id = 0x07;
+			sxfrctl1 = STPWEN;
+		}
+		ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
+
+		ahc->our_id = our_id;
+	}
+
+	/*
+	 * Take a look to see if we have external SRAM.
+	 * We currently do not attempt to use SRAM that is
+	 * shared among multiple controllers.
+	 */
+	ahc_probe_ext_scbram(ahc);
+
+	/*
+	 * Record our termination setting for the
+	 * generic initialization routine.
+	 */
+	if ((sxfrctl1 & STPWEN) != 0)
+		ahc->flags |= AHC_TERM_ENB_A;
+
+	/*
+	 * We cannot perform ULTRA speeds without
+	 * the presense of the external precision
+	 * resistor.
+	 */
+	if ((ahc->features & AHC_ULTRA) != 0) {
+		uint32_t devconfig;
+
+		devconfig = ahc_pci_read_config(ahc->dev_softc,
+						DEVCONFIG, /*bytes*/4);
+		if ((devconfig & REXTVALID) == 0)
+			ahc->flags |= AHC_ULTRA_DISABLED;
+	}
+
+	/* Core initialization */
+	error = ahc_init(ahc);
+	if (error != 0)
+		return (error);
+
+	/*
+	 * Link this softc in with all other ahc instances.
+	 */
+	ahc_softc_insert(ahc);
+
+	return (0);
+}
+
+static void
+ahc_power_state_change(struct ahc_softc *ahc, ahc_power_state new_state)
+{
+	uint32_t cap;
+	u_int cap_offset;
+
+	/*
+	 * Traverse the capability list looking for
+	 * the power management capability.
+	 */
+	cap = 0;
+	cap_offset = ahc_pci_read_config(ahc->dev_softc,
+					 PCIR_CAP_PTR, /*bytes*/1);
+	while (cap_offset != 0) {
+
+		cap = ahc_pci_read_config(ahc->dev_softc,
+					  cap_offset, /*bytes*/4);
+		if ((cap & 0xFF) == 1
+		 && ((cap >> 16) & 0x3) > 0) {
+			uint32_t pm_control;
+
+			pm_control = ahc_pci_read_config(ahc->dev_softc,
+							 cap_offset + 4,
+							 /*bytes*/4);
+			pm_control &= ~0x3;
+			pm_control |= new_state;
+			ahc_pci_write_config(ahc->dev_softc,
+					     cap_offset + 4,
+					     pm_control, /*bytes*/2);
+			break;
+		}
+		cap_offset = (cap >> 8) & 0xFF;
+	}
+}
+
+/*
+ * Test for the presense of external sram in an
+ * "unshared" configuration.
+ */
+static int
+ahc_ext_scbram_present(struct ahc_softc *ahc)
+{
+	u_int chip;
+	int ramps;
+	int single_user;
+	uint32_t devconfig;
+
+	chip = ahc->chip & AHC_CHIPID_MASK;
+	devconfig = ahc_pci_read_config(ahc->dev_softc,
+					DEVCONFIG, /*bytes*/4);
+	single_user = (devconfig & MPORTMODE) != 0;
+
+	if ((ahc->features & AHC_ULTRA2) != 0)
+		ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
+	else if (chip >= AHC_AIC7870)
+		ramps = (devconfig & RAMPSM) != 0;
+	else
+		ramps = 0;
+
+	if (ramps && single_user)
+		return (1);
+	return (0);
+}
+
+/*
+ * Enable external scbram.
+ */
+static void
+ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck,
+		  int fast, int large)
+{
+	uint32_t devconfig;
+
+	if (ahc->features & AHC_MULTI_FUNC) {
+		/*
+		 * Set the SCB Base addr (highest address bit)
+		 * depending on which channel we are.
+		 */
+		ahc_outb(ahc, SCBBADDR, ahc_get_pci_function(ahc->dev_softc));
+	}
+
+	devconfig = ahc_pci_read_config(ahc->dev_softc, DEVCONFIG, /*bytes*/4);
+	if ((ahc->features & AHC_ULTRA2) != 0) {
+		u_int dscommand0;
+
+		dscommand0 = ahc_inb(ahc, DSCOMMAND0);
+		if (enable)
+			dscommand0 &= ~INTSCBRAMSEL;
+		else
+			dscommand0 |= INTSCBRAMSEL;
+		if (large)
+			dscommand0 &= ~USCBSIZE32;
+		else
+			dscommand0 |= USCBSIZE32;
+		ahc_outb(ahc, DSCOMMAND0, dscommand0);
+	} else {
+		if (fast)
+			devconfig &= ~EXTSCBTIME;
+		else
+			devconfig |= EXTSCBTIME;
+		if (enable)
+			devconfig &= ~SCBRAMSEL;
+		else
+			devconfig |= SCBRAMSEL;
+		if (large)
+			devconfig &= ~SCBSIZE32;
+		else
+			devconfig |= SCBSIZE32;
+	}
+	if (pcheck)
+		devconfig |= EXTSCBPEN;
+	else
+		devconfig &= ~EXTSCBPEN;
+
+	ahc_pci_write_config(ahc->dev_softc, DEVCONFIG, devconfig, /*bytes*/4);
+}
+
+/*
+ * Take a look to see if we have external SRAM.
+ * We currently do not attempt to use SRAM that is
+ * shared among multiple controllers.
+ */
+static void
+ahc_probe_ext_scbram(struct ahc_softc *ahc)
+{
+	int num_scbs;
+	int test_num_scbs;
+	int enable;
+	int pcheck;
+	int fast;
+	int large;
+
+	enable = FALSE;
+	pcheck = FALSE;
+	fast = FALSE;
+	large = FALSE;
+	num_scbs = 0;
+	
+	if (ahc_ext_scbram_present(ahc) == 0)
+		goto done;
+
+	/*
+	 * Probe for the best parameters to use.
+	 */
+	ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large);
+	num_scbs = ahc_probe_scbs(ahc);
+	if (num_scbs == 0) {
+		/* The SRAM wasn't really present. */
+		goto done;
+	}
+	enable = TRUE;
+
+	/*
+	 * Clear any outstanding parity error
+	 * and ensure that parity error reporting
+	 * is enabled.
+	 */
+	ahc_outb(ahc, SEQCTL, 0);
+	ahc_outb(ahc, CLRINT, CLRPARERR);
+	ahc_outb(ahc, CLRINT, CLRBRKADRINT);
+
+	/* Now see if we can do parity */
+	ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large);
+	num_scbs = ahc_probe_scbs(ahc);
+	if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
+	 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
+		pcheck = TRUE;
+
+	/* Clear any resulting parity error */
+	ahc_outb(ahc, CLRINT, CLRPARERR);
+	ahc_outb(ahc, CLRINT, CLRBRKADRINT);
+
+	/* Now see if we can do fast timing */
+	ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large);
+	test_num_scbs = ahc_probe_scbs(ahc);
+	if (test_num_scbs == num_scbs
+	 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
+	  || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
+		fast = TRUE;
+
+	/*
+	 * See if we can use large SCBs and still maintain
+	 * the same overall count of SCBs.
+	 */
+	if ((ahc->features & AHC_LARGE_SCBS) != 0) {
+		ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE);
+		test_num_scbs = ahc_probe_scbs(ahc);
+		if (test_num_scbs >= num_scbs) {
+			large = TRUE;
+			num_scbs = test_num_scbs;
+	 		if (num_scbs >= 64) {
+				/*
+				 * We have enough space to move the
+				 * "busy targets table" into SCB space
+				 * and make it qualify all the way to the
+				 * lun level.
+				 */
+				ahc->flags |= AHC_SCB_BTT;
+			}
+		}
+	}
+done:
+	/*
+	 * Disable parity error reporting until we
+	 * can load instruction ram.
+	 */
+	ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
+	/* Clear any latched parity error */
+	ahc_outb(ahc, CLRINT, CLRPARERR);
+	ahc_outb(ahc, CLRINT, CLRBRKADRINT);
+	if (bootverbose && enable) {
+		printf("%s: External SRAM, %s access%s, %dbytes/SCB\n",
+		       ahc_name(ahc), fast ? "fast" : "slow", 
+		       pcheck ? ", parity checking enabled" : "",
+		       large ? 64 : 32);
+	}
+	ahc_scbram_config(ahc, enable, pcheck, fast, large);
+}
+
+/*
+ * Check the external port logic for a serial eeprom
+ * and termination/cable detection contrls.
+ */
+static void
+check_extport(struct ahc_softc *ahc, u_int *sxfrctl1)
+{
+	struct	seeprom_descriptor sd;
+	struct	seeprom_config sc;
+	u_int	scsi_conf;
+	u_int	adapter_control;
+	int	have_seeprom;
+	int	have_autoterm;
+
+	sd.sd_ahc = ahc;
+	sd.sd_control_offset = SEECTL;		
+	sd.sd_status_offset = SEECTL;		
+	sd.sd_dataout_offset = SEECTL;		
+
+	/*
+	 * For some multi-channel devices, the c46 is simply too
+	 * small to work.  For the other controller types, we can
+	 * get our information from either SEEPROM type.  Set the
+	 * type to start our probe with accordingly.
+	 */
+	if (ahc->flags & AHC_LARGE_SEEPROM)
+		sd.sd_chip = C56_66;
+	else
+		sd.sd_chip = C46;
+
+	sd.sd_MS = SEEMS;
+	sd.sd_RDY = SEERDY;
+	sd.sd_CS = SEECS;
+	sd.sd_CK = SEECK;
+	sd.sd_DO = SEEDO;
+	sd.sd_DI = SEEDI;
+
+	have_seeprom = acquire_seeprom(ahc, &sd);
+	if (have_seeprom) {
+
+		if (bootverbose) 
+			printf("%s: Reading SEEPROM...", ahc_name(ahc));
+
+		for (;;) {
+			u_int start_addr;
+
+			start_addr = 32 * (ahc->channel - 'A');
+
+			have_seeprom = read_seeprom(&sd, (uint16_t *)&sc,
+						    start_addr, sizeof(sc)/2);
+
+			if (have_seeprom)
+				have_seeprom = verify_cksum(&sc);
+
+			if (have_seeprom != 0 || sd.sd_chip == C56_66) {
+				if (bootverbose) {
+					if (have_seeprom == 0)
+						printf ("checksum error\n");
+					else
+						printf ("done.\n");
+				}
+				break;
+			}
+			sd.sd_chip = C56_66;
+		}
+	}
+
+#if 0
+	if (!have_seeprom) {
+		/*
+		 * Pull scratch ram settings and treat them as
+		 * if they are the contents of an seeprom if
+		 * the 'ADPT' signature is found in SCB2.
+		 */
+		ahc_outb(ahc, SCBPTR, 2);
+		if (ahc_inb(ahc, SCB_BASE) == 'A'
+		 && ahc_inb(ahc, SCB_BASE + 1) == 'D'
+		 && ahc_inb(ahc, SCB_BASE + 2) == 'P'
+		 && ahc_inb(ahc, SCB_BASE + 3) == 'T') {
+			uint8_t *sc_bytes;
+			int	  i;
+
+			sc_bytes = (uint8_t *)&sc;
+			for (i = 0; i < 64; i++)
+				sc_bytes[i] = ahc_inb(ahc, TARG_SCSIRATE + i);
+			/* Byte 0x1c is stored in byte 4 of SCB2 */
+			sc_bytes[0x1c] = ahc_inb(ahc, SCB_BASE + 4);
+			have_seeprom = verify_cksum(&sc);
+		}
+	}
+#endif
+
+	if (!have_seeprom) {
+		if (bootverbose)
+			printf("%s: No SEEPROM available.\n", ahc_name(ahc));
+		ahc->flags |= AHC_USEDEFAULTS;
+	} else {
+		/*
+		 * Put the data we've collected down into SRAM
+		 * where ahc_init will find it.
+		 */
+		int i;
+		int max_targ = sc.max_targets & CFMAXTARG;
+		uint16_t discenable;
+		uint16_t ultraenb;
+
+		discenable = 0;
+		ultraenb = 0;
+		if ((sc.adapter_control & CFULTRAEN) != 0) {
+			/*
+			 * Determine if this adapter has a "newstyle"
+			 * SEEPROM format.
+			 */
+			for (i = 0; i < max_targ; i++) {
+				if ((sc.device_flags[i] & CFSYNCHISULTRA) != 0){
+					ahc->flags |= AHC_NEWEEPROM_FMT;
+					break;
+				}
+			}
+		}
+
+		for (i = 0; i < max_targ; i++) {
+			u_int     scsirate;
+			uint16_t target_mask;
+
+			target_mask = 0x01 << i;
+			if (sc.device_flags[i] & CFDISC)
+				discenable |= target_mask;
+			if ((ahc->flags & AHC_NEWEEPROM_FMT) != 0) {
+				if ((sc.device_flags[i] & CFSYNCHISULTRA) != 0)
+					ultraenb |= target_mask;
+			} else if ((sc.adapter_control & CFULTRAEN) != 0) {
+				ultraenb |= target_mask;
+			}
+			if ((sc.device_flags[i] & CFXFER) == 0x04
+			 && (ultraenb & target_mask) != 0) {
+				/* Treat 10MHz as a non-ultra speed */
+				sc.device_flags[i] &= ~CFXFER;
+			 	ultraenb &= ~target_mask;
+			}
+			if ((ahc->features & AHC_ULTRA2) != 0) {
+				u_int offset;
+
+				if (sc.device_flags[i] & CFSYNCH)
+					offset = MAX_OFFSET_ULTRA2;
+				else 
+					offset = 0;
+				ahc_outb(ahc, TARG_OFFSET + i, offset);
+
+				/*
+				 * The ultra enable bits contain the
+				 * high bit of the ultra2 sync rate
+				 * field.
+				 */
+				scsirate = (sc.device_flags[i] & CFXFER)
+					 | ((ultraenb & target_mask)
+					    ? 0x8 : 0x0);
+				if (sc.device_flags[i] & CFWIDEB)
+					scsirate |= WIDEXFER;
+			} else {
+				scsirate = (sc.device_flags[i] & CFXFER) << 4;
+				if (sc.device_flags[i] & CFSYNCH)
+					scsirate |= SOFS;
+				if (sc.device_flags[i] & CFWIDEB)
+					scsirate |= WIDEXFER;
+			}
+			ahc_outb(ahc, TARG_SCSIRATE + i, scsirate);
+		}
+		ahc->our_id = sc.brtime_id & CFSCSIID;
+
+		scsi_conf = (ahc->our_id & 0x7);
+		if (sc.adapter_control & CFSPARITY)
+			scsi_conf |= ENSPCHK;
+		if (sc.adapter_control & CFRESETB)
+			scsi_conf |= RESET_SCSI;
+
+		if ((sc.adapter_control & CFCHNLBPRIMARY) != 0
+		 && (ahc->features & AHC_MULTI_FUNC) != 0)
+			ahc->flags |= AHC_CHANNEL_B_PRIMARY;
+
+		if (sc.bios_control & CFEXTEND)
+			ahc->flags |= AHC_EXTENDED_TRANS_A;
+
+		if (sc.bios_control & CFBIOSEN)
+			ahc->flags |= AHC_BIOS_ENABLED;
+		if (ahc->features & AHC_ULTRA
+		 && (ahc->flags & AHC_NEWEEPROM_FMT) == 0) {
+			/* Should we enable Ultra mode? */
+			if (!(sc.adapter_control & CFULTRAEN))
+				/* Treat us as a non-ultra card */
+				ultraenb = 0;
+		}
+
+		if (sc.signature == CFSIGNATURE) {
+			uint32_t devconfig;
+
+			/* Honor the STPWLEVEL settings */
+			devconfig = ahc_pci_read_config(ahc->dev_softc,
+							DEVCONFIG, /*bytes*/4);
+			devconfig &= ~STPWLEVEL;
+			if ((sc.bios_control & CFSTPWLEVEL) != 0)
+				devconfig |= STPWLEVEL;
+			ahc_pci_write_config(ahc->dev_softc, DEVCONFIG,
+					     devconfig, /*bytes*/4);
+		}
+		/* Set SCSICONF info */
+		ahc_outb(ahc, SCSICONF, scsi_conf);
+		ahc_outb(ahc, DISC_DSB, ~(discenable & 0xff));
+		ahc_outb(ahc, DISC_DSB + 1, ~((discenable >> 8) & 0xff));
+		ahc_outb(ahc, ULTRA_ENB, ultraenb & 0xff);
+		ahc_outb(ahc, ULTRA_ENB + 1, (ultraenb >> 8) & 0xff);
+	}
+
+	/*
+	 * Cards that have the external logic necessary to talk to
+	 * a SEEPROM, are almost certain to have the remaining logic
+	 * necessary for auto-termination control.  This assumption
+	 * hasn't failed yet...
+	 */
+	have_autoterm = have_seeprom;
+	if (have_seeprom)
+		adapter_control = sc.adapter_control;
+	else
+		adapter_control = CFAUTOTERM;
+
+	/*
+	 * Some low-cost chips have SEEPROM and auto-term control built
+	 * in, instead of using a GAL.  They can tell us directly
+	 * if the termination logic is enabled.
+	 */
+	if ((ahc->features & AHC_SPIOCAP) != 0) {
+		if ((ahc_inb(ahc, SPIOCAP) & SSPIOCPS) != 0)
+			have_autoterm = TRUE;
+		else
+			have_autoterm = FALSE;
+	}
+
+	if (have_autoterm)
+		configure_termination(ahc, &sd, adapter_control, sxfrctl1);
+
+	release_seeprom(&sd);
+}
+
+static void
+configure_termination(struct ahc_softc *ahc,
+		      struct seeprom_descriptor *sd,
+		      u_int adapter_control,
+		      u_int *sxfrctl1)
+{
+	uint8_t brddat;
+	
+	brddat = 0;
+
+	/*
+	 * Update the settings in sxfrctl1 to match the
+	 * termination settings 
+	 */
+	*sxfrctl1 = 0;
+	
+	/*
+	 * SEECS must be on for the GALS to latch
+	 * the data properly.  Be sure to leave MS
+	 * on or we will release the seeprom.
+	 */
+	SEEPROM_OUTB(sd, sd->sd_MS | sd->sd_CS);
+	if ((adapter_control & CFAUTOTERM) != 0
+	 || (ahc->features & AHC_NEW_TERMCTL) != 0) {
+		int internal50_present;
+		int internal68_present;
+		int externalcable_present;
+		int eeprom_present;
+		int enableSEC_low;
+		int enableSEC_high;
+		int enablePRI_low;
+		int enablePRI_high;
+		int sum;
+
+		enableSEC_low = 0;
+		enableSEC_high = 0;
+		enablePRI_low = 0;
+		enablePRI_high = 0;
+		if ((ahc->features & AHC_NEW_TERMCTL) != 0) {
+			ahc_new_term_detect(ahc, &enableSEC_low,
+					       &enableSEC_high,
+					       &enablePRI_low,
+					       &enablePRI_high,
+					       &eeprom_present);
+			if ((adapter_control & CFSEAUTOTERM) == 0) {
+				if (bootverbose)
+					printf("%s: Manual SE Termination\n",
+					       ahc_name(ahc));
+				enableSEC_low = (adapter_control & CFSELOWTERM);
+				enableSEC_high =
+				    (adapter_control & CFSEHIGHTERM);
+			}
+			if ((adapter_control & CFAUTOTERM) == 0) {
+				if (bootverbose)
+					printf("%s: Manual LVD Termination\n",
+					       ahc_name(ahc));
+				enablePRI_low = (adapter_control & CFSTERM);
+				enablePRI_high = (adapter_control & CFWSTERM);
+			}
+			/* Make the table calculations below happy */
+			internal50_present = 0;
+			internal68_present = 1;
+			externalcable_present = 1;
+		} else if ((ahc->features & AHC_SPIOCAP) != 0) {
+			aic785X_cable_detect(ahc, &internal50_present,
+					     &externalcable_present,
+					     &eeprom_present);
+		} else {
+			aic787X_cable_detect(ahc, &internal50_present,
+					     &internal68_present,
+					     &externalcable_present,
+					     &eeprom_present);
+		}
+
+		if ((ahc->features & AHC_WIDE) == 0)
+			internal68_present = 0;
+
+		if (bootverbose
+		 && (ahc->features & AHC_ULTRA2) == 0) {
+			printf("%s: internal 50 cable %s present",
+			       ahc_name(ahc),
+			       internal50_present ? "is":"not");
+
+			if ((ahc->features & AHC_WIDE) != 0)
+				printf(", internal 68 cable %s present",
+				       internal68_present ? "is":"not");
+			printf("\n%s: external cable %s present\n",
+			       ahc_name(ahc),
+			       externalcable_present ? "is":"not");
+		}
+		if (bootverbose)
+			printf("%s: BIOS eeprom %s present\n",
+			       ahc_name(ahc), eeprom_present ? "is" : "not");
+
+		if ((ahc->flags & AHC_INT50_SPEEDFLEX) != 0) {
+			/*
+			 * The 50 pin connector is a separate bus,
+			 * so force it to always be terminated.
+			 * In the future, perform current sensing
+			 * to determine if we are in the middle of
+			 * a properly terminated bus.
+			 */
+			internal50_present = 0;
+		}
+
+		/*
+		 * Now set the termination based on what
+		 * we found.
+		 * Flash Enable = BRDDAT7
+		 * Secondary High Term Enable = BRDDAT6
+		 * Secondary Low Term Enable = BRDDAT5 (7890)
+		 * Primary High Term Enable = BRDDAT4 (7890)
+		 */
+		if ((ahc->features & AHC_ULTRA2) == 0
+		 && (internal50_present != 0)
+		 && (internal68_present != 0)
+		 && (externalcable_present != 0)) {
+			printf("%s: Illegal cable configuration!!. "
+			       "Only two connectors on the "
+			       "adapter may be used at a "
+			       "time!\n", ahc_name(ahc));
+		}
+
+		if ((ahc->features & AHC_WIDE) != 0
+		 && ((externalcable_present == 0)
+		  || (internal68_present == 0)
+		  || (enableSEC_high != 0))) {
+			brddat |= BRDDAT6;
+			if (bootverbose) {
+				if ((ahc->flags & AHC_INT50_SPEEDFLEX) != 0)
+					printf("%s: 68 pin termination "
+					       "Enabled\n", ahc_name(ahc));
+				else
+					printf("%s: %sHigh byte termination "
+					       "Enabled\n", ahc_name(ahc),
+					       enableSEC_high ? "Secondary "
+							      : "");
+			}
+		}
+
+		sum = internal50_present + internal68_present
+		    + externalcable_present;
+		if (sum < 2 || (enableSEC_low != 0)) {
+			if ((ahc->features & AHC_ULTRA2) != 0)
+				brddat |= BRDDAT5;
+			else
+				*sxfrctl1 |= STPWEN;
+			if (bootverbose) {
+				if ((ahc->flags & AHC_INT50_SPEEDFLEX) != 0)
+					printf("%s: 50 pin termination "
+					       "Enabled\n", ahc_name(ahc));
+				else
+					printf("%s: %sLow byte termination "
+					       "Enabled\n", ahc_name(ahc),
+					       enableSEC_low ? "Secondary "
+							     : "");
+			}
+		}
+
+		if (enablePRI_low != 0) {
+			*sxfrctl1 |= STPWEN;
+			if (bootverbose)
+				printf("%s: Primary Low Byte termination "
+				       "Enabled\n", ahc_name(ahc));
+		}
+
+		/*
+		 * Setup STPWEN before setting up the rest of
+		 * the termination per the tech note on the U160 cards.
+		 */
+		ahc_outb(ahc, SXFRCTL1, *sxfrctl1);
+
+		if (enablePRI_high != 0) {
+			brddat |= BRDDAT4;
+			if (bootverbose)
+				printf("%s: Primary High Byte "
+				       "termination Enabled\n",
+				       ahc_name(ahc));
+		}
+		
+		write_brdctl(ahc, brddat);
+
+	} else {
+		if ((adapter_control & CFSTERM) != 0) {
+			*sxfrctl1 |= STPWEN;
+
+			if (bootverbose)
+				printf("%s: %sLow byte termination Enabled\n",
+				       ahc_name(ahc),
+				       (ahc->features & AHC_ULTRA2) ? "Primary "
+								    : "");
+		}
+
+		if ((adapter_control & CFWSTERM) != 0
+		 && (ahc->features & AHC_WIDE) != 0) {
+			brddat |= BRDDAT6;
+			if (bootverbose)
+				printf("%s: %sHigh byte termination Enabled\n",
+				       ahc_name(ahc),
+				       (ahc->features & AHC_ULTRA2)
+				     ? "Secondary " : "");
+		}
+
+		/*
+		 * Setup STPWEN before setting up the rest of
+		 * the termination per the tech note on the U160 cards.
+		 */
+		ahc_outb(ahc, SXFRCTL1, *sxfrctl1);
+
+		if ((ahc->features & AHC_WIDE) != 0)
+			write_brdctl(ahc, brddat);
+	}
+	SEEPROM_OUTB(sd, sd->sd_MS); /* Clear CS */
+}
+
+static void
+ahc_new_term_detect(struct ahc_softc *ahc, int *enableSEC_low,
+		    int *enableSEC_high, int *enablePRI_low,
+		    int *enablePRI_high, int *eeprom_present)
+{
+	uint8_t brdctl;
+
+	/*
+	 * BRDDAT7 = Eeprom
+	 * BRDDAT6 = Enable Secondary High Byte termination
+	 * BRDDAT5 = Enable Secondary Low Byte termination
+	 * BRDDAT4 = Enable Primary high byte termination
+	 * BRDDAT3 = Enable Primary low byte termination
+	 */
+	brdctl = read_brdctl(ahc);
+	*eeprom_present = brdctl & BRDDAT7;
+	*enableSEC_high = (brdctl & BRDDAT6);
+	*enableSEC_low = (brdctl & BRDDAT5);
+	*enablePRI_high = (brdctl & BRDDAT4);
+	*enablePRI_low = (brdctl & BRDDAT3);
+}
+
+static void
+aic787X_cable_detect(struct ahc_softc *ahc, int *internal50_present,
+		     int *internal68_present, int *externalcable_present,
+		     int *eeprom_present)
+{
+	uint8_t brdctl;
+
+	/*
+	 * First read the status of our cables.
+	 * Set the rom bank to 0 since the
+	 * bank setting serves as a multiplexor
+	 * for the cable detection logic.
+	 * BRDDAT5 controls the bank switch.
+	 */
+	write_brdctl(ahc, 0);
+
+	/*
+	 * Now read the state of the internal
+	 * connectors.  BRDDAT6 is INT50 and
+	 * BRDDAT7 is INT68.
+	 */
+	brdctl = read_brdctl(ahc);
+	*internal50_present = (brdctl & BRDDAT6) ? 0 : 1;
+	*internal68_present = (brdctl & BRDDAT7) ? 0 : 1;
+
+	/*
+	 * Set the rom bank to 1 and determine
+	 * the other signals.
+	 */
+	write_brdctl(ahc, BRDDAT5);
+
+	/*
+	 * Now read the state of the external
+	 * connectors.  BRDDAT6 is EXT68 and
+	 * BRDDAT7 is EPROMPS.
+	 */
+	brdctl = read_brdctl(ahc);
+	*externalcable_present = (brdctl & BRDDAT6) ? 0 : 1;
+	*eeprom_present = (brdctl & BRDDAT7) ? 1 : 0;
+}
+
+static void
+aic785X_cable_detect(struct ahc_softc *ahc, int *internal50_present,
+		     int *externalcable_present, int *eeprom_present)
+{
+	uint8_t brdctl;
+
+	ahc_outb(ahc, BRDCTL, BRDRW|BRDCS);
+	ahc_outb(ahc, BRDCTL, 0);
+	brdctl = ahc_inb(ahc, BRDCTL);
+	*internal50_present = (brdctl & BRDDAT5) ? 0 : 1;
+	*externalcable_present = (brdctl & BRDDAT6) ? 0 : 1;
+
+	*eeprom_present = (ahc_inb(ahc, SPIOCAP) & EEPROM) ? 1 : 0;
+}
+	
+static int
+acquire_seeprom(struct ahc_softc *ahc, struct seeprom_descriptor *sd)
+{
+	int wait;
+
+	if ((ahc->features & AHC_SPIOCAP) != 0
+	 && (ahc_inb(ahc, SPIOCAP) & SEEPROM) == 0)
+		return (0);
+
+	/*
+	 * Request access of the memory port.  When access is
+	 * granted, SEERDY will go high.  We use a 1 second
+	 * timeout which should be near 1 second more than
+	 * is needed.  Reason: after the chip reset, there
+	 * should be no contention.
+	 */
+	SEEPROM_OUTB(sd, sd->sd_MS);
+	wait = 1000;  /* 1 second timeout in msec */
+	while (--wait && ((SEEPROM_STATUS_INB(sd) & sd->sd_RDY) == 0)) {
+		ahc_delay(1000);  /* delay 1 msec */
+	}
+	if ((SEEPROM_STATUS_INB(sd) & sd->sd_RDY) == 0) {
+		SEEPROM_OUTB(sd, 0); 
+		return (0);
+	}
+	return(1);
+}
+
+static void
+release_seeprom(struct seeprom_descriptor *sd)
+{
+	/* Release access to the memory port and the serial EEPROM. */
+	SEEPROM_OUTB(sd, 0);
+}
+
+static void
+write_brdctl(struct ahc_softc *ahc, uint8_t value)
+{
+	uint8_t brdctl;
+
+	if ((ahc->chip & AHC_CHIPID_MASK) == AHC_AIC7895) {
+		brdctl = BRDSTB;
+	 	if (ahc->channel == 'B')
+			brdctl |= BRDCS;
+	} else if ((ahc->features & AHC_ULTRA2) != 0) {
+		brdctl = 0;
+	} else {
+		brdctl = BRDSTB|BRDCS;
+	}
+	ahc_outb(ahc, BRDCTL, brdctl);
+	ahc_flush_device_writes(ahc);
+	brdctl |= value;
+	ahc_outb(ahc, BRDCTL, brdctl);
+	ahc_flush_device_writes(ahc);
+	if ((ahc->features & AHC_ULTRA2) != 0)
+		brdctl |= BRDSTB_ULTRA2;
+	else
+		brdctl &= ~BRDSTB;
+	ahc_outb(ahc, BRDCTL, brdctl);
+	ahc_flush_device_writes(ahc);
+	if ((ahc->features & AHC_ULTRA2) != 0)
+		brdctl = 0;
+	else
+		brdctl &= ~BRDCS;
+	ahc_outb(ahc, BRDCTL, brdctl);
+}
+
+static uint8_t
+read_brdctl(ahc)
+	struct 	ahc_softc *ahc;
+{
+	uint8_t brdctl;
+	uint8_t value;
+
+	if ((ahc->chip & AHC_CHIPID_MASK) == AHC_AIC7895) {
+		brdctl = BRDRW;
+	 	if (ahc->channel == 'B')
+			brdctl |= BRDCS;
+	} else if ((ahc->features & AHC_ULTRA2) != 0) {
+		brdctl = BRDRW_ULTRA2;
+	} else {
+		brdctl = BRDRW|BRDCS;
+	}
+	ahc_outb(ahc, BRDCTL, brdctl);
+	ahc_flush_device_writes(ahc);
+	value = ahc_inb(ahc, BRDCTL);
+	ahc_outb(ahc, BRDCTL, 0);
+	return (value);
+}
+
+#define	DPE	0x80
+#define SSE	0x40
+#define	RMA	0x20
+#define	RTA	0x10
+#define STA	0x08
+#define DPR	0x01
+
+void
+ahc_pci_intr(struct ahc_softc *ahc)
+{
+	u_int error;
+	u_int status1;
+
+	error = ahc_inb(ahc, ERROR);
+	if ((error & PCIERRSTAT) == 0)
+		return;
+
+	status1 = ahc_pci_read_config(ahc->dev_softc,
+				      PCIR_STATUS + 1, /*bytes*/1);
+
+	printf("%s: PCI error Interrupt at seqaddr = 0x%x\n",
+	      ahc_name(ahc),
+	      ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8));
+
+	if (status1 & DPE) {
+		printf("%s: Data Parity Error Detected during address "
+		       "or write data phase\n", ahc_name(ahc));
+	}
+	if (status1 & SSE) {
+		printf("%s: Signal System Error Detected\n", ahc_name(ahc));
+	}
+	if (status1 & RMA) {
+		printf("%s: Received a Master Abort\n", ahc_name(ahc));
+	}
+	if (status1 & RTA) {
+		printf("%s: Received a Target Abort\n", ahc_name(ahc));
+	}
+	if (status1 & STA) {
+		printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
+	}
+	if (status1 & DPR) {
+		printf("%s: Data Parity Error has been reported via PERR#\n",
+		       ahc_name(ahc));
+	}
+	if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
+		printf("%s: Latched PCIERR interrupt with "
+		       "no status bits set\n", ahc_name(ahc)); 
+	}
+	ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1,
+			     status1, /*bytes*/1);
+
+	if (status1 & (DPR|RMA|RTA)) {
+		ahc_outb(ahc, CLRINT, CLRPARERR);
+	}
+
+	unpause_sequencer(ahc);
+}
+
+static int
+ahc_aic785X_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	uint8_t rev;
+
+	probe_config->channel = 'A';
+	probe_config->chip = AHC_AIC7850;
+	probe_config->features = AHC_AIC7850_FE;
+	probe_config->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG
+			   |  AHC_PCI_MWI_BUG;
+	rev = ahc_pci_read_config(pci, PCIR_REVID, /*bytes*/1);
+	if (rev >= 1)
+		probe_config->bugs |= AHC_PCI_2_1_RETRY_BUG;
+	return (0);
+}
+
+static int
+ahc_aic7860_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	uint8_t rev;
+
+	probe_config->channel = 'A';
+	probe_config->chip = AHC_AIC7860;
+	probe_config->features = AHC_AIC7860_FE;
+	probe_config->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG
+			   |  AHC_PCI_MWI_BUG;
+	rev = ahc_pci_read_config(pci, PCIR_REVID, /*bytes*/1);
+	if (rev >= 1)
+		probe_config->bugs |= AHC_PCI_2_1_RETRY_BUG;
+	return (0);
+}
+
+static int
+ahc_apa1480_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	int error;
+
+	error = ahc_aic7860_setup(pci, probe_config);
+	if (error != 0)
+		return (error);
+	probe_config->features |= AHC_REMOVABLE;
+	return (0);
+}
+
+static int
+ahc_aic7870_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	probe_config->channel = 'A';
+	probe_config->chip = AHC_AIC7870;
+	probe_config->features = AHC_AIC7870_FE;
+	probe_config->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG
+			   |  AHC_PCI_MWI_BUG;
+	return (0);
+}
+
+static int
+ahc_aha394X_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	int error;
+
+	error = ahc_aic7870_setup(pci, probe_config);
+	if (error == 0)
+		error = ahc_aha394XX_setup(pci, probe_config);
+	return (error);
+}
+
+static int
+ahc_aha398X_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	int error;
+
+	error = ahc_aic7870_setup(pci, probe_config);
+	if (error == 0)
+		error = ahc_aha398XX_setup(pci, probe_config);
+	return (error);
+}
+
+static int
+ahc_aha494X_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	int error;
+
+	error = ahc_aic7870_setup(pci, probe_config);
+	if (error == 0)
+		error = ahc_aha494XX_setup(pci, probe_config);
+	return (error);
+}
+
+static int
+ahc_aic7880_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	uint8_t rev;
+
+	probe_config->channel = 'A';
+	probe_config->chip = AHC_AIC7880;
+	probe_config->features = AHC_AIC7880_FE;
+	probe_config->bugs |= AHC_TMODE_WIDEODD_BUG;
+	rev = ahc_pci_read_config(pci, PCIR_REVID, /*bytes*/1);
+	if (rev >= 1) {
+		probe_config->bugs |= AHC_PCI_2_1_RETRY_BUG;
+	} else {
+		probe_config->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
+	}
+	return (0);
+}
+
+static int
+ahc_aha2940Pro_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	int error;
+
+	probe_config->flags |= AHC_INT50_SPEEDFLEX;
+	error = ahc_aic7880_setup(pci, probe_config);
+	return (0);
+}
+
+static int
+ahc_aha394XU_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	int error;
+
+	error = ahc_aic7880_setup(pci, probe_config);
+	if (error == 0)
+		error = ahc_aha394XX_setup(pci, probe_config);
+	return (error);
+}
+
+static int
+ahc_aha398XU_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	int error;
+
+	error = ahc_aic7880_setup(pci, probe_config);
+	if (error == 0)
+		error = ahc_aha398XX_setup(pci, probe_config);
+	return (error);
+}
+
+static int
+ahc_aic7890_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	uint8_t rev;
+
+	probe_config->channel = 'A';
+	probe_config->chip = AHC_AIC7890;
+	probe_config->features = AHC_AIC7890_FE;
+	probe_config->flags |= AHC_NEWEEPROM_FMT;
+	rev = ahc_pci_read_config(pci, PCIR_REVID, /*bytes*/1);
+	if (rev == 0)
+		probe_config->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG;
+	return (0);
+}
+
+static int
+ahc_aic7892_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	probe_config->channel = 'A';
+	probe_config->chip = AHC_AIC7892;
+	probe_config->features = AHC_AIC7892_FE;
+	probe_config->flags |= AHC_NEWEEPROM_FMT;
+	probe_config->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
+	return (0);
+}
+
+static int
+ahc_aic7895_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	uint8_t rev;
+
+	probe_config->channel = ahc_get_pci_function(pci) == 1 ? 'B' : 'A';
+	/*
+	 * The 'C' revision of the aic7895 has a few additional features.
+	 */
+	rev = ahc_pci_read_config(pci, PCIR_REVID, /*bytes*/1);
+	if (rev >= 4) {
+		probe_config->chip = AHC_AIC7895C;
+		probe_config->features = AHC_AIC7895C_FE;
+	} else  {
+		u_int command;
+
+		probe_config->chip = AHC_AIC7895;
+		probe_config->features = AHC_AIC7895_FE;
+
+		/*
+		 * The BIOS disables the use of MWI transactions
+		 * since it does not have the MWI bug work around
+		 * we have.  Disabling MWI reduces performance, so
+		 * turn it on again.
+		 */
+		command = ahc_pci_read_config(pci, PCIR_COMMAND, /*bytes*/1);
+		command |= PCIM_CMD_MWRICEN;
+		ahc_pci_write_config(pci, PCIR_COMMAND, command, /*bytes*/1);
+		probe_config->bugs |= AHC_PCI_MWI_BUG;
+	}
+	/*
+	 * XXX Does CACHETHEN really not work???  What about PCI retry?
+	 * on C level chips.  Need to test, but for now, play it safe.
+	 */
+	probe_config->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG
+			   |  AHC_CACHETHEN_BUG;
+
+#if 0
+	uint32_t devconfig;
+
+	/*
+	 * Cachesize must also be zero due to stray DAC
+	 * problem when sitting behind some bridges.
+	 */
+	ahc_pci_write_config(pci, CSIZE_LATTIME, 0, /*bytes*/1);
+	devconfig = ahc_pci_read_config(pci, DEVCONFIG, /*bytes*/1);
+	devconfig |= MRDCEN;
+	ahc_pci_write_config(pci, DEVCONFIG, devconfig, /*bytes*/1);
+#endif
+	probe_config->flags |= AHC_NEWEEPROM_FMT;
+	return (0);
+}
+
+static int
+ahc_aic7896_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	probe_config->channel = ahc_get_pci_function(pci) == 1 ? 'B' : 'A';
+	probe_config->chip = AHC_AIC7896;
+	probe_config->features = AHC_AIC7896_FE;
+	probe_config->flags |= AHC_NEWEEPROM_FMT;
+	probe_config->bugs |= AHC_CACHETHEN_DIS_BUG;
+	return (0);
+}
+
+static int
+ahc_aic7899_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	probe_config->channel = ahc_get_pci_function(pci) == 1 ? 'B' : 'A';
+	probe_config->chip = AHC_AIC7899;
+	probe_config->features = AHC_AIC7899_FE;
+	probe_config->flags |= AHC_NEWEEPROM_FMT;
+	probe_config->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
+	return (0);
+}
+
+static int
+ahc_aha29160C_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	int error;
+
+	error = ahc_aic7899_setup(pci, probe_config);
+	if (error != 0)
+		return (error);
+	probe_config->features |= AHC_REMOVABLE;
+	return (0);
+}
+
+static int
+ahc_raid_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	printf("RAID functionality unsupported\n");
+	return (ENXIO);
+}
+
+static int
+ahc_aha394XX_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	switch (ahc_get_pci_slot(pci)) {
+	case AHC_394X_SLOT_CHANNEL_A:
+		probe_config->channel = 'A';
+		break;
+	case AHC_394X_SLOT_CHANNEL_B:
+		probe_config->channel = 'B';
+		break;
+	default:
+		printf("adapter at unexpected slot %d\n"
+		       "unable to map to a channel\n",
+		       ahc_get_pci_slot(pci));
+		probe_config->channel = 'A';
+	}
+	return (0);
+}
+
+static int
+ahc_aha398XX_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	switch (ahc_get_pci_slot(pci)) {
+	case AHC_398X_SLOT_CHANNEL_A:
+		probe_config->channel = 'A';
+		break;
+	case AHC_398X_SLOT_CHANNEL_B:
+		probe_config->channel = 'B';
+		break;
+	case AHC_398X_SLOT_CHANNEL_C:
+		probe_config->channel = 'C';
+		break;
+	default:
+		printf("adapter at unexpected slot %d\n"
+		       "unable to map to a channel\n",
+		       ahc_get_pci_slot(pci));
+		probe_config->channel = 'A';
+		break;
+	}
+	probe_config->flags |= AHC_LARGE_SEEPROM;
+	return (0);
+}
+
+static int
+ahc_aha494XX_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config)
+{
+	switch (ahc_get_pci_slot(pci)) {
+	case AHC_494X_SLOT_CHANNEL_A:
+		probe_config->channel = 'A';
+		break;
+	case AHC_494X_SLOT_CHANNEL_B:
+		probe_config->channel = 'B';
+		break;
+	case AHC_494X_SLOT_CHANNEL_C:
+		probe_config->channel = 'C';
+		break;
+	case AHC_494X_SLOT_CHANNEL_D:
+		probe_config->channel = 'D';
+		break;
+	default:
+		printf("adapter at unexpected slot %d\n"
+		       "unable to map to a channel\n",
+		       ahc_get_pci_slot(pci));
+		probe_config->channel = 'A';
+	}
+	probe_config->flags |= AHC_LARGE_SEEPROM;
+	return (0);
+}

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)