aic7xxx_pci.c

linux-2.6.15.6

/*
 * Product specific probe and attach routines for:
 *      3940, 2940, aic7895, aic7890, aic7880,
 *	aic7870, aic7860 and aic7850 SCSI controllers
 *
 * Copyright (c) 1994-2001 Justin T. Gibbs.
 * Copyright (c) 2000-2001 Adaptec Inc.
 * 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.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may 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 General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
 *
 * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_pci.c#69 $
 *
 * $FreeBSD$
 */

#ifdef __linux__
#include "aic7xxx_osm.h"
#include "aic7xxx_inline.h"
#include "aic7xxx_93cx6.h"
#else
#include <dev/aic7xxx/aic7xxx_osm.h>
#include <dev/aic7xxx/aic7xxx_inline.h>
#include <dev/aic7xxx/aic7xxx_93cx6.h>
#endif

#include "aic7xxx_pci.h"

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 AHC_PCI_IOADDR	PCIR_MAPS	/* I/O Address */
#define AHC_PCI_MEMADDR	(PCIR_MAPS + 4)	/* Mem I/O Address */

#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	/* Container ROMB */
#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
 * certain, 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_20C_30C,
		ID_ALL_MASK,
		"Adaptec 2902/04/10/15/20C/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 Ultra 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 Ultra160 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 SCSI adapter",
		ahc_aic7860_setup
	},
	{
		ID_AIC7860 & ID_DEV_VENDOR_MASK,
		ID_DEV_VENDOR_MASK,
		"Adaptec aic7860 Ultra 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		PCIERRGENDIS	0x80000000ul
#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		PCI64BIT	0x00000080ul	/* 64Bit PCI bus (Ultra2 Only)*/
#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

/* PCI STATUS definitions */
#define	DPE	0x80
#define SSE	0x40
#define	RMA	0x20
#define	RTA	0x10
#define STA	0x08
#define DPR	0x01

static int ahc_9005_subdevinfo_valid(uint16_t vendor, uint16_t device,
				     uint16_t subvendor, uint16_t subdevice);
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);