1 files changed, 336 insertions, 0 deletions

diff --git a/sys/dev/aac/aac_pci.c b/sys/dev/aac/aac_pci.c
new file mode 100644
index 0000000..e5daf9d
--- /dev/null
+++ b/sys/dev/aac/aac_pci.c
@@ -0,0 +1,336 @@
+/*-
+ * Copyright (c) 2000 Michael Smith
+ * Copyright (c) 2001 Scott Long
+ * Copyright (c) 2000 BSDi
+ * Copyright (c) 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.
+ * 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.
+ *
+ *	$FreeBSD$
+ */
+
+/*
+ * PCI bus interface and resource allocation.
+ */
+
+#include "opt_aac.h"
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+
+#include <dev/aac/aac_compat.h>
+#include <sys/bus.h>
+#include <sys/conf.h>
+#include <sys/devicestat.h>
+#include <sys/disk.h>
+
+#include <machine/bus_memio.h>
+#include <machine/bus.h>
+#include <machine/resource.h>
+#include <sys/rman.h>
+
+#include <pci/pcireg.h>
+#include <pci/pcivar.h>
+
+#include <dev/aac/aacreg.h>
+#include <dev/aac/aac_ioctl.h>
+#include <dev/aac/aacvar.h>
+
+static int	aac_pci_probe(device_t dev);
+static int	aac_pci_attach(device_t dev);
+
+static device_method_t aac_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		aac_pci_probe),
+	DEVMETHOD(device_attach,	aac_pci_attach),
+	DEVMETHOD(device_detach,	aac_detach),
+	DEVMETHOD(device_suspend,	aac_suspend),
+	DEVMETHOD(device_resume,	aac_resume),
+
+	DEVMETHOD(bus_print_child,	bus_generic_print_child),
+	DEVMETHOD(bus_driver_added,	bus_generic_driver_added),
+	{ 0, 0 }
+};
+
+static driver_t aac_pci_driver = {
+	"aac",
+	aac_methods,
+	sizeof(struct aac_softc)
+};
+
+static devclass_t	aac_devclass;
+
+DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, 0, 0);
+
+struct aac_ident
+{
+	u_int16_t		vendor;
+	u_int16_t		device;
+	u_int16_t		subvendor;
+	u_int16_t		subdevice;
+	int			hwif;
+	int			quirks;
+	char			*desc;
+} aac_identifiers[] = {
+	{0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM,
+	"Dell PERC 2/Si"},
+	{0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM,
+	"Dell PERC 3/Di"},
+	{0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM,
+	"Dell PERC 3/Si"},
+	{0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM,
+	"Dell PERC 3/Si"},
+	{0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM,
+	"Dell PERC 3/Di"},
+	{0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM,
+	"Dell PERC 3/Di"},
+	{0x1028, 0x0008, 0x1028, 0x00cf, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM,
+	"Dell PERC 3/Di"},
+	{0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM,
+	"Dell PERC 3/Di"},
+	{0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM,
+	"Dell PERC 3/Di"},
+	{0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM,
+	"Dell PERC 3/Di"},
+	{0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, AAC_QUIRK_NOCAM,
+	"Adaptec AAC-364"},
+	{0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM,
+	AAC_QUIRK_CAM_NORESET, "Adaptec SCSI RAID 5400S"},
+	{0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_QUIRK_NOCAM |
+	AAC_QUIRK_PERC2QC, "Dell PERC 2/QC"},
+	{0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, 
+	AAC_QUIRK_CAM_NORESET, "HP NetRaid-4M"},
+	{0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, 0,
+	 "Adaptec SCSI RAID 2200S"},
+	{0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, 0,
+	 "Dell PERC 320/DC"},
+	{0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, 0,
+	 "Adaptec SCSI RAID 2120S"},
+	{0, 0, 0, 0, 0, 0, 0}
+};
+
+/*
+ * Determine whether this is one of our supported adapters.
+ */
+static int
+aac_pci_probe(device_t dev)
+{
+	struct aac_ident *m;
+
+	debug_called(1);
+
+	for (m = aac_identifiers; m->vendor != 0; m++) {
+		if ((m->vendor == pci_get_vendor(dev)) &&
+		    (m->device == pci_get_device(dev)) &&
+		    ((m->subvendor == 0) || (m->subvendor ==
+					     pci_get_subvendor(dev))) &&
+		    ((m->subdevice == 0) || ((m->subdevice ==
+					      pci_get_subdevice(dev))))) {
+		
+			device_set_desc(dev, m->desc);
+			return(-10);	/* allow room to be overridden */
+		}
+	}
+	return(ENXIO);
+}
+
+/*
+ * Allocate resources for our device, set up the bus interface.
+ */
+static int
+aac_pci_attach(device_t dev)
+{
+	struct aac_softc *sc;
+	int i, error;
+	u_int32_t command;
+
+	debug_called(1);
+
+	/*
+	 * Initialise softc.
+	 */
+	sc = device_get_softc(dev);
+	bzero(sc, sizeof(*sc));
+	sc->aac_dev = dev;
+
+	/* assume failure is 'not configured' */
+	error = ENXIO;
+
+	/* 
+	 * Verify that the adapter is correctly set up in PCI space.
+	 */
+	command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
+	command |= PCIM_CMD_BUSMASTEREN;
+	pci_write_config(dev, PCIR_COMMAND, command, 2);
+	command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
+	if (!(command & PCIM_CMD_BUSMASTEREN)) {
+		device_printf(sc->aac_dev, "can't enable bus-master feature\n");
+		goto out;
+	}
+	if ((command & PCIM_CMD_MEMEN) == 0) {
+		device_printf(sc->aac_dev, "memory window not available\n");
+		goto out;
+	}
+
+	/*
+	 * Allocate the PCI register window.
+	 */
+	sc->aac_regs_rid = 0x10;	/* first base address register */
+	if ((sc->aac_regs_resource = bus_alloc_resource(sc->aac_dev,
+							SYS_RES_MEMORY,
+							&sc->aac_regs_rid,
+							0, ~0, 1,
+							RF_ACTIVE)) == NULL) {
+		device_printf(sc->aac_dev,
+			      "couldn't allocate register window\n");
+		goto out;
+	}
+	sc->aac_btag = rman_get_bustag(sc->aac_regs_resource);
+	sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource);
+
+	/* 
+	 * Allocate and connect our interrupt.
+	 */
+	sc->aac_irq_rid = 0;
+	if ((sc->aac_irq = bus_alloc_resource(sc->aac_dev, SYS_RES_IRQ,
+			   		      &sc->aac_irq_rid, 0, ~0, 1,
+			   		      RF_SHAREABLE |
+					      RF_ACTIVE)) == NULL) {
+		device_printf(sc->aac_dev, "can't allocate interrupt\n");
+		goto out;
+	}
+#ifndef INTR_ENTROPY
+#define INTR_ENTROPY 0
+#endif
+	if (bus_setup_intr(sc->aac_dev, sc->aac_irq, INTR_TYPE_BIO|INTR_ENTROPY,
+			   aac_intr, sc, &sc->aac_intr)) {
+		device_printf(sc->aac_dev, "can't set up interrupt\n");
+		goto out;
+	}
+
+	/* assume failure is 'out of memory' */
+	error = ENOMEM;
+
+	/*
+	 * Allocate the parent bus DMA tag appropriate for our PCI interface.
+	 * 
+	 * Note that some of these controllers are 64-bit capable.
+	 */
+	if (bus_dma_tag_create(NULL, 			/* parent */
+			       PAGE_SIZE, 0,		/* algnmnt, boundary */
+			       BUS_SPACE_MAXADDR_32BIT,	/* lowaddr */
+			       BUS_SPACE_MAXADDR, 	/* highaddr */
+			       NULL, NULL, 		/* filter, filterarg */
+			       MAXBSIZE, 		/* maxsize */
+			       AAC_MAXSGENTRIES,	/* nsegments */
+			       BUS_SPACE_MAXSIZE_32BIT,	/* maxsegsize */
+			       BUS_DMA_ALLOCNOW,	/* flags */
+			       &sc->aac_parent_dmat)) {
+		device_printf(sc->aac_dev, "can't allocate parent DMA tag\n");
+		goto out;
+	}
+
+	/*
+	 * Create DMA tag for mapping buffers into controller-addressable space.
+	 */
+	if (bus_dma_tag_create(sc->aac_parent_dmat, 	/* parent */
+			   1, 0, 			/* algnmnt, boundary */
+			   BUS_SPACE_MAXADDR,		/* lowaddr */
+			   BUS_SPACE_MAXADDR, 		/* highaddr */
+			   NULL, NULL, 			/* filter, filterarg */
+			   MAXBSIZE, AAC_MAXSGENTRIES,	/* maxsize, nsegments */
+			   BUS_SPACE_MAXSIZE_32BIT,	/* maxsegsize */
+			   0,				/* flags */
+			   &sc->aac_buffer_dmat)) {
+		device_printf(sc->aac_dev, "can't allocate buffer DMA tag\n");
+		goto out;
+	}
+
+	/*
+	 * Create DMA tag for mapping FIBs into controller-addressable space..
+	 */
+	if (bus_dma_tag_create(sc->aac_parent_dmat,	/* parent */
+			   1, 0, 			/* algnmnt, boundary */
+			   BUS_SPACE_MAXADDR,		/* lowaddr */
+			   BUS_SPACE_MAXADDR, 		/* highaddr */
+			   NULL, NULL, 			/* filter, filterarg */
+			   AAC_FIB_COUNT *
+			   sizeof(struct aac_fib), 1,	/* maxsize, nsegments */
+			   BUS_SPACE_MAXSIZE_32BIT,	/* maxsegsize */
+			   0,				/* flags */
+			   &sc->aac_fib_dmat)) {
+		device_printf(sc->aac_dev, "can't allocate FIB DMA tag\n");;
+		goto out;
+	}
+
+	/* 
+	 * Detect the hardware interface version, set up the bus interface
+	 * indirection.
+	 */
+	sc->aac_hwif = AAC_HWIF_UNKNOWN;
+	for (i = 0; aac_identifiers[i].vendor != 0; i++) {
+		if ((aac_identifiers[i].vendor == pci_get_vendor(dev)) &&
+		    (aac_identifiers[i].device == pci_get_device(dev)) &&
+		    (aac_identifiers[i].subvendor == pci_get_subvendor(dev)) &&
+		    (aac_identifiers[i].subdevice == pci_get_subdevice(dev))) {
+			sc->aac_hwif = aac_identifiers[i].hwif;
+			switch(sc->aac_hwif) {
+			case AAC_HWIF_I960RX:
+				debug(2, "set hardware up for i960Rx");
+				sc->aac_if = aac_rx_interface;
+				break;
+
+			case AAC_HWIF_STRONGARM:
+				debug(2, "set hardware up for StrongARM");
+				sc->aac_if = aac_sa_interface;
+				break;
+			case AAC_HWIF_FALCON:
+				debug(2, "set hardware up for Falcon/PPC");
+				sc->aac_if = aac_fa_interface;
+				break;
+			}
+
+			/* Set up quirks */
+			sc->quirks = aac_identifiers[i].quirks;
+
+			break;
+		}
+	}
+	if (sc->aac_hwif == AAC_HWIF_UNKNOWN) {
+		device_printf(sc->aac_dev, "unknown hardware type\n");
+		error = ENXIO;
+		goto out;
+	}
+
+
+	/*
+	 * Do bus-independent initialisation.
+	 */
+	error = aac_attach(sc);
+	
+out:
+	if (error)
+		aac_free(sc);
+	return(error);
+}