EISA bus attachment for the AdvanSys driver.

2 files changed, 708 insertions, 0 deletions

diff --git a/sys/dev/advansys/adv_eisa.c b/sys/dev/advansys/adv_eisa.c
new file mode 100644
index 0000000..77b2a92
--- /dev/null
+++ b/sys/dev/advansys/adv_eisa.c
@@ -0,0 +1,354 @@
+/*
+ * Device probe and attach routines for the following
+ * Advanced Systems Inc. SCSI controllers:
+ *
+ *   Single Channel Products:
+ *	ABP742 - Bus-Master EISA (240 CDB)
+ *
+ *   Dual Channel Products:  
+ *	ABP752 - Dual Channel Bus-Master EISA (240 CDB Per Channel)
+ *
+ * Copyright (c) 1997 Justin 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.
+ *
+ * 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.
+ *
+ *	$Id$
+ */
+
+#include "eisa.h"
+#if NEISA > 0
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+
+#include <machine/bus_pio.h>
+#include <machine/bus.h>
+
+#include <i386/eisa/eisaconf.h>
+
+#include <dev/advansys/advansys.h>
+
+#define EISA_DEVICE_ID_ADVANSYS_740	0x04507400
+#define EISA_DEVICE_ID_ADVANSYS_750	0x04507500
+
+#define ADV_EISA_SLOT_OFFSET		0xc00
+#define ADV_EISA_OFFSET_CHAN1		0x30
+#define ADV_EISA_OFFSET_CHAN2		0x50
+#define ADV_EISA_IOSIZE			0x100
+
+#define ADV_EISA_ROM_BIOS_ADDR_REG	0x86
+#define ADV_EISA_IRQ_BURST_LEN_REG	0x87
+#define 	ADV_EISA_IRQ_MASK	0x07
+#define 	ADV_EISA_IRQ_10		0x00
+#define 	ADV_EISA_IRQ_11		0x01
+#define 	ADV_EISA_IRQ_12		0x02
+#define 	ADV_EISA_IRQ_14		0x04
+#define 	ADV_EISA_IRQ_15		0x05
+
+#define	ADV_EISA_MAX_DMA_ADDR   (0x07FFFFFFL)
+#define	ADV_EISA_MAX_DMA_COUNT  (0x07FFFFFFL)
+
+static int	adveisaprobe(void);
+static int	adveisaattach(struct eisa_device *e_dev);
+
+/* 
+ * The overrun buffer shared amongst all EISA adapters.
+ */
+static	u_int8_t*	overrun_buf;
+bus_dma_tag_t		overrun_dmat;
+bus_dmamap_t		overrun_dmamap;
+bus_addr_t		overrun_physbase;
+
+static struct eisa_driver adv_eisa_driver =
+{
+	"adv",
+	adveisaprobe,
+	adveisaattach,
+	/*shutdown*/NULL,
+	&adv_unit
+};
+
+DATA_SET (eisadriver_set, adv_eisa_driver);
+
+static const char *adveisamatch(eisa_id_t type);
+
+static const char*
+adveisamatch(type)
+	eisa_id_t type;
+{
+	switch (type & ~0xF) {
+	case EISA_DEVICE_ID_ADVANSYS_740:
+		return ("AdvanSys ABP-740/742 SCSI adapter");
+		break;
+	case EISA_DEVICE_ID_ADVANSYS_750:
+		return ("AdvanSys ABP-750/752 SCSI adapter");
+		break;
+	default:
+		break;
+	}
+	return (NULL);
+}
+
+static int
+adveisaprobe(void)
+{
+	u_int32_t iobase;
+	u_int8_t irq;
+	struct eisa_device *e_dev = NULL;
+	int count;
+
+	count = 0;
+	while ((e_dev = eisa_match_dev(e_dev, adveisamatch))) {
+		iobase = (e_dev->ioconf.slot * EISA_SLOT_SIZE)
+		       + ADV_EISA_SLOT_OFFSET;
+
+		eisa_add_iospace(e_dev, iobase, ADV_EISA_IOSIZE, RESVADDR_NONE);
+		irq = inb(iobase + ADV_EISA_IRQ_BURST_LEN_REG);
+		irq &= ADV_EISA_IRQ_MASK;
+		switch (irq) {
+			case 0:
+			case 1:
+			case 2:
+			case 4:
+			case 5:
+				break;
+			default:
+				printf("adv at slot %d: illegal "
+				       "irq setting %d\n", e_dev->ioconf.slot,
+					irq);
+				continue;
+		}
+		eisa_add_intr(e_dev, irq + 10);
+		eisa_registerdev(e_dev, &adv_eisa_driver);
+		count++;
+	}
+	return count;
+}
+
+static int
+adveisaattach(struct eisa_device *e_dev)
+{
+	struct adv_softc *adv;
+	struct adv_softc *adv_b;
+	resvaddr_t *iospace;
+	int unit;
+	int irq;
+	int error;
+
+	adv_b = NULL;
+	unit = e_dev->unit;
+	iospace = e_dev->ioconf.ioaddrs.lh_first;
+
+	if (TAILQ_FIRST(&e_dev->ioconf.irqs) == NULL)
+		return (-1);
+
+	irq = TAILQ_FIRST(&e_dev->ioconf.irqs)->irq_no;
+
+	if (!iospace)
+		return (-1);
+
+	switch (e_dev->id & ~0xF) {
+	case EISA_DEVICE_ID_ADVANSYS_750:
+		adv_b = adv_alloc(unit, I386_BUS_SPACE_IO,
+				  iospace->addr + ADV_EISA_OFFSET_CHAN2);
+		if (adv_b == NULL)
+			return (-1);
+		
+		/*
+		 * Allocate a parent dmatag for all tags created
+		 * by the MI portions of the advansys driver
+		 */
+		/* XXX Should be a child of the PCI bus dma tag */
+		error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/0,
+					   /*boundary*/0,
+					   /*lowaddr*/ADV_EISA_MAX_DMA_ADDR,
+					   /*highaddr*/BUS_SPACE_MAXADDR,
+					   /*filter*/NULL, /*filterarg*/NULL,
+					   /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
+					   /*nsegments*/BUS_SPACE_UNRESTRICTED,
+					   /*maxsegsz*/ADV_EISA_MAX_DMA_COUNT,
+					   /*flags*/0,
+					   &adv_b->parent_dmat);
+ 
+		if (error != 0) {
+			printf("%s: Could not allocate DMA tag - error %d\n",
+			       adv_name(adv_b), error);
+			adv_free(adv_b);
+			return (-1);
+		}
+
+		adv_b->init_level++;
+
+		/* FALLTHROUGH */
+	case EISA_DEVICE_ID_ADVANSYS_740:
+		adv = adv_alloc(unit, I386_BUS_SPACE_IO,
+				iospace->addr + ADV_EISA_OFFSET_CHAN1);
+		if (adv == NULL) {
+			if (adv_b != NULL)
+				adv_free(adv_b);
+			return (-1);
+		}
+
+		/*
+		 * Allocate a parent dmatag for all tags created
+		 * by the MI portions of the advansys driver
+		 */
+		/* XXX Should be a child of the PCI bus dma tag */
+		error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/0,
+					   /*boundary*/0,
+					   /*lowaddr*/ADV_EISA_MAX_DMA_ADDR,
+					   /*highaddr*/BUS_SPACE_MAXADDR,
+					   /*filter*/NULL, /*filterarg*/NULL,
+					   /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
+					   /*nsegments*/BUS_SPACE_UNRESTRICTED,
+					   /*maxsegsz*/ADV_EISA_MAX_DMA_COUNT,
+					   /*flags*/0,
+					   &adv->parent_dmat);
+ 
+		if (error != 0) {
+			printf("%s: Could not allocate DMA tag - error %d\n",
+			       adv_name(adv), error);
+			adv_free(adv);
+			return (-1);
+		}
+
+		adv->init_level++;
+		break;
+	default: 
+		printf("adveisaattach: Unknown device type!\n");
+		return (-1);
+		break;
+	}
+
+	if (overrun_buf == NULL) {
+		/* Need to allocate our overrun buffer */
+		if (bus_dma_tag_create(adv->parent_dmat,
+				       /*alignment*/8,
+				       /*boundary*/0,
+				       ADV_EISA_MAX_DMA_ADDR,
+				       BUS_SPACE_MAXADDR,
+				       /*filter*/NULL,
+				       /*filterarg*/NULL,
+				       ADV_OVERRUN_BSIZE,
+				       /*nsegments*/1,
+				       BUS_SPACE_MAXSIZE_32BIT,
+				       /*flags*/0,
+				       &overrun_dmat) != 0) {
+			adv_free(adv);
+			return (-1);
+       		}
+		if (bus_dmamem_alloc(overrun_dmat,
+				     (void **)&overrun_buf,
+				     BUS_DMA_NOWAIT,
+				     &overrun_dmamap) != 0) {
+			bus_dma_tag_destroy(overrun_dmat);
+			adv_free(adv);
+			return (-1);
+		}
+		/* And permanently map it in */  
+		bus_dmamap_load(overrun_dmat, overrun_dmamap,
+				overrun_buf, ADV_OVERRUN_BSIZE,
+				adv_map, &overrun_physbase,
+				/*flags*/0);
+	}
+	
+	eisa_reg_start(e_dev);
+	if (eisa_reg_iospace(e_dev, iospace)) {
+		adv_free(adv);
+		if (adv_b != NULL)
+			adv_free(adv_b);
+		return (-1);
+	}
+
+	if (eisa_reg_intr(e_dev, irq, adv_intr, (void *)adv, &cam_imask,
+			 /*shared ==*/TRUE)) {
+		adv_free(adv);
+		if (adv_b != NULL)
+			adv_free(adv_b);
+		return (-1);
+	}
+	eisa_reg_end(e_dev);
+
+	/*
+	 * Now that we know we own the resources we need, do the 
+	 * card initialization.
+	 */
+
+	/*
+	 * Stop the chip.
+	 */
+	ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
+	ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
+
+	adv->chip_version = EISA_REVISION_ID(e_dev->id)
+			  + ADV_CHIP_MIN_VER_EISA - 1;
+
+	if (adv_init(adv) != 0) {
+		adv_free(adv);
+		if (adv_b != NULL)
+			adv_free(adv_b);
+		return(-1);
+	}
+
+	adv->max_dma_count = ADV_EISA_MAX_DMA_COUNT;
+	adv->max_dma_addr = ADV_EISA_MAX_DMA_ADDR;
+
+	if (adv_b != NULL) {
+		/*
+		 * Stop the chip.
+		 */
+		ADV_OUTB(adv_b, ADV_CHIP_CTRL, ADV_CC_HALT);
+		ADV_OUTW(adv_b, ADV_CHIP_STATUS, 0);
+
+		adv_b->chip_version = EISA_REVISION_ID(e_dev->id)
+				    + ADV_CHIP_MIN_VER_EISA - 1;
+
+		if (adv_init(adv_b) != 0) {
+			adv_free(adv_b);
+		} else {
+			adv_b->max_dma_count = ADV_EISA_MAX_DMA_COUNT;
+			adv_b->max_dma_addr = ADV_EISA_MAX_DMA_ADDR;
+		}
+	}
+
+	/*
+	 * Enable our interrupt handler.
+	 */
+	if (eisa_enable_intr(e_dev, irq)) {
+		adv_free(adv);
+		if (adv_b != NULL)
+			adv_free(adv_b);
+		eisa_release_intr(e_dev, irq, adv_intr);
+		return (-1);
+	}
+
+	/* Attach sub-devices - always succeeds */
+	adv_attach(adv);
+	if (adv_b != NULL)
+		adv_attach(adv_b);
+
+	return 0;
+}
+
+#endif /* NEISA > 0 */
diff --git a/sys/i386/eisa/adv_eisa.c b/sys/i386/eisa/adv_eisa.c
new file mode 100644
index 0000000..77b2a92
--- /dev/null
+++ b/sys/i386/eisa/adv_eisa.c
@@ -0,0 +1,354 @@
+/*
+ * Device probe and attach routines for the following
+ * Advanced Systems Inc. SCSI controllers:
+ *
+ *   Single Channel Products:
+ *	ABP742 - Bus-Master EISA (240 CDB)
+ *
+ *   Dual Channel Products:  
+ *	ABP752 - Dual Channel Bus-Master EISA (240 CDB Per Channel)
+ *
+ * Copyright (c) 1997 Justin 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.
+ *
+ * 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.
+ *
+ *	$Id$
+ */
+
+#include "eisa.h"
+#if NEISA > 0
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+
+#include <machine/bus_pio.h>
+#include <machine/bus.h>
+
+#include <i386/eisa/eisaconf.h>
+
+#include <dev/advansys/advansys.h>
+
+#define EISA_DEVICE_ID_ADVANSYS_740	0x04507400
+#define EISA_DEVICE_ID_ADVANSYS_750	0x04507500
+
+#define ADV_EISA_SLOT_OFFSET		0xc00
+#define ADV_EISA_OFFSET_CHAN1		0x30
+#define ADV_EISA_OFFSET_CHAN2		0x50
+#define ADV_EISA_IOSIZE			0x100
+
+#define ADV_EISA_ROM_BIOS_ADDR_REG	0x86
+#define ADV_EISA_IRQ_BURST_LEN_REG	0x87
+#define 	ADV_EISA_IRQ_MASK	0x07
+#define 	ADV_EISA_IRQ_10		0x00
+#define 	ADV_EISA_IRQ_11		0x01
+#define 	ADV_EISA_IRQ_12		0x02
+#define 	ADV_EISA_IRQ_14		0x04
+#define 	ADV_EISA_IRQ_15		0x05
+
+#define	ADV_EISA_MAX_DMA_ADDR   (0x07FFFFFFL)
+#define	ADV_EISA_MAX_DMA_COUNT  (0x07FFFFFFL)
+
+static int	adveisaprobe(void);
+static int	adveisaattach(struct eisa_device *e_dev);
+
+/* 
+ * The overrun buffer shared amongst all EISA adapters.
+ */
+static	u_int8_t*	overrun_buf;
+bus_dma_tag_t		overrun_dmat;
+bus_dmamap_t		overrun_dmamap;
+bus_addr_t		overrun_physbase;
+
+static struct eisa_driver adv_eisa_driver =
+{
+	"adv",
+	adveisaprobe,
+	adveisaattach,
+	/*shutdown*/NULL,
+	&adv_unit
+};
+
+DATA_SET (eisadriver_set, adv_eisa_driver);
+
+static const char *adveisamatch(eisa_id_t type);
+
+static const char*
+adveisamatch(type)
+	eisa_id_t type;
+{
+	switch (type & ~0xF) {
+	case EISA_DEVICE_ID_ADVANSYS_740:
+		return ("AdvanSys ABP-740/742 SCSI adapter");
+		break;
+	case EISA_DEVICE_ID_ADVANSYS_750:
+		return ("AdvanSys ABP-750/752 SCSI adapter");
+		break;
+	default:
+		break;
+	}
+	return (NULL);
+}
+
+static int
+adveisaprobe(void)
+{
+	u_int32_t iobase;
+	u_int8_t irq;
+	struct eisa_device *e_dev = NULL;
+	int count;
+
+	count = 0;
+	while ((e_dev = eisa_match_dev(e_dev, adveisamatch))) {
+		iobase = (e_dev->ioconf.slot * EISA_SLOT_SIZE)
+		       + ADV_EISA_SLOT_OFFSET;
+
+		eisa_add_iospace(e_dev, iobase, ADV_EISA_IOSIZE, RESVADDR_NONE);
+		irq = inb(iobase + ADV_EISA_IRQ_BURST_LEN_REG);
+		irq &= ADV_EISA_IRQ_MASK;
+		switch (irq) {
+			case 0:
+			case 1:
+			case 2:
+			case 4:
+			case 5:
+				break;
+			default:
+				printf("adv at slot %d: illegal "
+				       "irq setting %d\n", e_dev->ioconf.slot,
+					irq);
+				continue;
+		}
+		eisa_add_intr(e_dev, irq + 10);
+		eisa_registerdev(e_dev, &adv_eisa_driver);
+		count++;
+	}
+	return count;
+}
+
+static int
+adveisaattach(struct eisa_device *e_dev)
+{
+	struct adv_softc *adv;
+	struct adv_softc *adv_b;
+	resvaddr_t *iospace;
+	int unit;
+	int irq;
+	int error;
+
+	adv_b = NULL;
+	unit = e_dev->unit;
+	iospace = e_dev->ioconf.ioaddrs.lh_first;
+
+	if (TAILQ_FIRST(&e_dev->ioconf.irqs) == NULL)
+		return (-1);
+
+	irq = TAILQ_FIRST(&e_dev->ioconf.irqs)->irq_no;
+
+	if (!iospace)
+		return (-1);
+
+	switch (e_dev->id & ~0xF) {
+	case EISA_DEVICE_ID_ADVANSYS_750:
+		adv_b = adv_alloc(unit, I386_BUS_SPACE_IO,
+				  iospace->addr + ADV_EISA_OFFSET_CHAN2);
+		if (adv_b == NULL)
+			return (-1);
+		
+		/*
+		 * Allocate a parent dmatag for all tags created
+		 * by the MI portions of the advansys driver
+		 */
+		/* XXX Should be a child of the PCI bus dma tag */
+		error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/0,
+					   /*boundary*/0,
+					   /*lowaddr*/ADV_EISA_MAX_DMA_ADDR,
+					   /*highaddr*/BUS_SPACE_MAXADDR,
+					   /*filter*/NULL, /*filterarg*/NULL,
+					   /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
+					   /*nsegments*/BUS_SPACE_UNRESTRICTED,
+					   /*maxsegsz*/ADV_EISA_MAX_DMA_COUNT,
+					   /*flags*/0,
+					   &adv_b->parent_dmat);
+ 
+		if (error != 0) {
+			printf("%s: Could not allocate DMA tag - error %d\n",
+			       adv_name(adv_b), error);
+			adv_free(adv_b);
+			return (-1);
+		}
+
+		adv_b->init_level++;
+
+		/* FALLTHROUGH */
+	case EISA_DEVICE_ID_ADVANSYS_740:
+		adv = adv_alloc(unit, I386_BUS_SPACE_IO,
+				iospace->addr + ADV_EISA_OFFSET_CHAN1);
+		if (adv == NULL) {
+			if (adv_b != NULL)
+				adv_free(adv_b);
+			return (-1);
+		}
+
+		/*
+		 * Allocate a parent dmatag for all tags created
+		 * by the MI portions of the advansys driver
+		 */
+		/* XXX Should be a child of the PCI bus dma tag */
+		error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/0,
+					   /*boundary*/0,
+					   /*lowaddr*/ADV_EISA_MAX_DMA_ADDR,
+					   /*highaddr*/BUS_SPACE_MAXADDR,
+					   /*filter*/NULL, /*filterarg*/NULL,
+					   /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
+					   /*nsegments*/BUS_SPACE_UNRESTRICTED,
+					   /*maxsegsz*/ADV_EISA_MAX_DMA_COUNT,
+					   /*flags*/0,
+					   &adv->parent_dmat);
+ 
+		if (error != 0) {
+			printf("%s: Could not allocate DMA tag - error %d\n",
+			       adv_name(adv), error);
+			adv_free(adv);
+			return (-1);
+		}
+
+		adv->init_level++;
+		break;
+	default: 
+		printf("adveisaattach: Unknown device type!\n");
+		return (-1);
+		break;
+	}
+
+	if (overrun_buf == NULL) {
+		/* Need to allocate our overrun buffer */
+		if (bus_dma_tag_create(adv->parent_dmat,
+				       /*alignment*/8,
+				       /*boundary*/0,
+				       ADV_EISA_MAX_DMA_ADDR,
+				       BUS_SPACE_MAXADDR,
+				       /*filter*/NULL,
+				       /*filterarg*/NULL,
+				       ADV_OVERRUN_BSIZE,
+				       /*nsegments*/1,
+				       BUS_SPACE_MAXSIZE_32BIT,
+				       /*flags*/0,
+				       &overrun_dmat) != 0) {
+			adv_free(adv);
+			return (-1);
+       		}
+		if (bus_dmamem_alloc(overrun_dmat,
+				     (void **)&overrun_buf,
+				     BUS_DMA_NOWAIT,
+				     &overrun_dmamap) != 0) {
+			bus_dma_tag_destroy(overrun_dmat);
+			adv_free(adv);
+			return (-1);
+		}
+		/* And permanently map it in */  
+		bus_dmamap_load(overrun_dmat, overrun_dmamap,
+				overrun_buf, ADV_OVERRUN_BSIZE,
+				adv_map, &overrun_physbase,
+				/*flags*/0);
+	}
+	
+	eisa_reg_start(e_dev);
+	if (eisa_reg_iospace(e_dev, iospace)) {
+		adv_free(adv);
+		if (adv_b != NULL)
+			adv_free(adv_b);
+		return (-1);
+	}
+
+	if (eisa_reg_intr(e_dev, irq, adv_intr, (void *)adv, &cam_imask,
+			 /*shared ==*/TRUE)) {
+		adv_free(adv);
+		if (adv_b != NULL)
+			adv_free(adv_b);
+		return (-1);
+	}
+	eisa_reg_end(e_dev);
+
+	/*
+	 * Now that we know we own the resources we need, do the 
+	 * card initialization.
+	 */
+
+	/*
+	 * Stop the chip.
+	 */
+	ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
+	ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
+
+	adv->chip_version = EISA_REVISION_ID(e_dev->id)
+			  + ADV_CHIP_MIN_VER_EISA - 1;
+
+	if (adv_init(adv) != 0) {
+		adv_free(adv);
+		if (adv_b != NULL)
+			adv_free(adv_b);
+		return(-1);
+	}
+
+	adv->max_dma_count = ADV_EISA_MAX_DMA_COUNT;
+	adv->max_dma_addr = ADV_EISA_MAX_DMA_ADDR;
+
+	if (adv_b != NULL) {
+		/*
+		 * Stop the chip.
+		 */
+		ADV_OUTB(adv_b, ADV_CHIP_CTRL, ADV_CC_HALT);
+		ADV_OUTW(adv_b, ADV_CHIP_STATUS, 0);
+
+		adv_b->chip_version = EISA_REVISION_ID(e_dev->id)
+				    + ADV_CHIP_MIN_VER_EISA - 1;
+
+		if (adv_init(adv_b) != 0) {
+			adv_free(adv_b);
+		} else {
+			adv_b->max_dma_count = ADV_EISA_MAX_DMA_COUNT;
+			adv_b->max_dma_addr = ADV_EISA_MAX_DMA_ADDR;
+		}
+	}
+
+	/*
+	 * Enable our interrupt handler.
+	 */
+	if (eisa_enable_intr(e_dev, irq)) {
+		adv_free(adv);
+		if (adv_b != NULL)
+			adv_free(adv_b);
+		eisa_release_intr(e_dev, irq, adv_intr);
+		return (-1);
+	}
+
+	/* Attach sub-devices - always succeeds */
+	adv_attach(adv);
+	if (adv_b != NULL)
+		adv_attach(adv_b);
+
+	return 0;
+}
+
+#endif /* NEISA > 0 */