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-rw-r--r--sys/dev/dpt/dpt_eisa.c199
1 files changed, 86 insertions, 113 deletions
diff --git a/sys/dev/dpt/dpt_eisa.c b/sys/dev/dpt/dpt_eisa.c
index 9fc558b..7dae870 100644
--- a/sys/dev/dpt/dpt_eisa.c
+++ b/sys/dev/dpt/dpt_eisa.c
@@ -1,48 +1,33 @@
-/*
- * Copyright (c) 1997 by Matthew N. Dodd <winter@jurai.net>
- * All Rights Reserved
+/*-
+ * Copyright (c) 1997, 2000 Matthew N. Dodd <winter@jurai.net>
+ * 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.
+ * notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. 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
+ * 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.
+ *
+ * $FreeBSD$
*/
-/*
- * Credits: Based on and part of the DPT driver for FreeBSD written and
- * maintained by Simon Shapiro <shimon@simon-shapiro.org>
- */
-
-/*
- * $FreeBSD$
- */
-
-#include "opt_dpt.h"
-
#include <sys/param.h>
#include <sys/systm.h>
-#include <sys/malloc.h>
-#include <sys/buf.h>
-#include <sys/proc.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
@@ -52,42 +37,39 @@
#include <machine/resource.h>
#include <sys/rman.h>
-#include <cam/scsi/scsi_all.h>
-
-#include <dev/dpt/dpt.h>
-
#include <dev/eisa/eisaconf.h>
-#include <machine/clock.h>
+#include <cam/scsi/scsi_all.h>
-#include <vm/vm.h>
-#include <vm/vm_param.h>
-#include <vm/pmap.h>
+#include <dev/dpt/dpt.h>
#define DPT_EISA_IOSIZE 0x100
#define DPT_EISA_SLOT_OFFSET 0x0c00
#define DPT_EISA_EATA_REG_OFFSET 0x0088
-#define DPT_EISA_DPT2402 0x12142402
-#define DPT_EISA_DPTA401 0x1214A401
-#define DPT_EISA_DPTA402 0x1214A402
-#define DPT_EISA_DPTA410 0x1214A410
-#define DPT_EISA_DPTA411 0x1214A411
-#define DPT_EISA_DPTA412 0x1214A412
-#define DPT_EISA_DPTA420 0x1214A420
-#define DPT_EISA_DPTA501 0x1214A501
-#define DPT_EISA_DPTA502 0x1214A502
-#define DPT_EISA_DPTA701 0x1214A701
-#define DPT_EISA_DPTBC01 0x1214BC01
-#define DPT_EISA_NEC8200 0x12148200
-#define DPT_EISA_ATT2408 0x12142408
+#define DPT_EISA_DPT2402 0x12142402 /* DPT PM2012A/9X */
+#define DPT_EISA_DPTA401 0x1214A401 /* DPT PM2012B/9X */
+#define DPT_EISA_DPTA402 0x1214A402 /* DPT PM2012B2/9X */
+#define DPT_EISA_DPTA410 0x1214A410 /* DPT PM2x22A/9X */
+#define DPT_EISA_DPTA411 0x1214A411 /* DPT Spectre */
+#define DPT_EISA_DPTA412 0x1214A412 /* DPT PM2021A/9X */
+#define DPT_EISA_DPTA420 0x1214A420 /* DPT Smart Cache IV (PM2042) */
+#define DPT_EISA_DPTA501 0x1214A501 /* DPT PM2012B1/9X" */
+#define DPT_EISA_DPTA502 0x1214A502 /* DPT PM2012Bx/9X */
+#define DPT_EISA_DPTA701 0x1214A701 /* DPT PM2011B1/9X */
+#define DPT_EISA_DPTBC01 0x1214BC01 /* DPT PM3011/7X ESDI */
+#define DPT_EISA_DPT8200 0x12148200 /* NEC EATA SCSI */
+#define DPT_EISA_DPT2408 0x12142408 /* ATT EATA SCSI */
/* Function Prototypes */
-static const char *dpt_eisa_match(eisa_id_t);
+static const char * dpt_eisa_match (eisa_id_t);
+static int dpt_eisa_probe (device_t);
+static int dpt_eisa_attach (device_t);
+
static int
-dpt_eisa_probe(device_t dev)
+dpt_eisa_probe (device_t dev)
{
const char * desc;
u_int32_t io_base;
@@ -114,71 +96,86 @@ dpt_eisa_probe(device_t dev)
}
static int
-dpt_eisa_attach(device_t dev)
+dpt_eisa_attach (device_t dev)
{
- dpt_softc_t *dpt;
+ dpt_softc_t * dpt;
struct resource *io = 0;
struct resource *irq = 0;
- int unit = device_get_unit(dev);
int s;
int rid;
- void *ih;
+ void * ih;
+ int error = 0;
rid = 0;
- io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
- 0, ~0, 1, RF_ACTIVE);
+ io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
if (!io) {
device_printf(dev, "No I/O space?!\n");
- return ENOMEM;
+ error = ENOMEM;
+ goto bad;
}
- dpt = dpt_alloc(unit, rman_get_bustag(io),
+ rid = 0;
+ irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE);
+ if (!irq) {
+ device_printf(dev, "No irq?!\n");
+ error = ENOMEM;
+ goto bad;
+ }
+
+ dpt = dpt_alloc(dev, rman_get_bustag(io),
rman_get_bushandle(io) + DPT_EISA_EATA_REG_OFFSET);
- if (dpt == NULL)
+ if (dpt == NULL) {
+ error = ENOMEM;
goto bad;
+ }
/* Allocate a dmatag representing the capabilities of this attachment */
/* XXX Should be a child of the EISA bus dma tag */
- if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/1, /*boundary*/0,
- /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
- /*highaddr*/BUS_SPACE_MAXADDR,
- /*filter*/NULL, /*filterarg*/NULL,
- /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
- /*nsegments*/BUS_SPACE_UNRESTRICTED,
- /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
- /*flags*/0, &dpt->parent_dmat) != 0) {
+ if (bus_dma_tag_create( /* parent */ NULL,
+ /* alignemnt */ 1,
+ /* boundary */ 0,
+ /* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
+ /* highaddr */ BUS_SPACE_MAXADDR,
+ /* filter */ NULL,
+ /* filterarg */ NULL,
+ /* maxsize */ BUS_SPACE_MAXSIZE_32BIT,
+ /* nsegments */ BUS_SPACE_UNRESTRICTED,
+ /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT,
+ /* flags */0,
+ &dpt->parent_dmat) != 0) {
dpt_free(dpt);
- goto bad;
- }
-
- rid = 0;
- irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
- 0, ~0, 1, RF_ACTIVE);
- if (!irq) {
- device_printf(dev, "No irq?!\n");
+ error = ENXIO;
goto bad;
}
s = splcam();
+
if (dpt_init(dpt) != 0) {
dpt_free(dpt);
+ error = ENXIO;
goto bad;
}
/* Register with the XPT */
dpt_attach(dpt);
- bus_setup_intr(dev, irq, INTR_TYPE_CAM, dpt_intr, dpt, &ih);
splx(s);
- return 0;
+ if (bus_setup_intr(dev, irq, INTR_TYPE_CAM, dpt_intr, dpt, &ih)) {
+ device_printf(dev, "Unable to register interrupt handler\n");
+ error = ENXIO;
+ goto bad;
+ }
+
+ return (error);
bad:
if (io)
bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
if (irq)
bus_release_resource(dev, SYS_RES_IRQ, 0, irq);
- return -1;
+
+ return (error);
}
static const char *
@@ -186,44 +183,20 @@ dpt_eisa_match(type)
eisa_id_t type;
{
switch (type) {
- case DPT_EISA_DPT2402 :
- return ("DPT PM2012A/9X");
- break;
- case DPT_EISA_DPTA401 :
- return ("DPT PM2012B/9X");
- break;
- case DPT_EISA_DPTA402 :
- return ("DPT PM2012B2/9X");
- break;
- case DPT_EISA_DPTA410 :
- return ("DPT PM2x22A/9X");
- break;
- case DPT_EISA_DPTA411 :
- return ("DPT Spectre");
- break;
- case DPT_EISA_DPTA412 :
- return ("DPT PM2021A/9X");
- break;
- case DPT_EISA_DPTA420 :
- return ("DPT Smart Cache IV (PM2042)");
- break;
- case DPT_EISA_DPTA501 :
- return ("DPT PM2012B1/9X");
- break;
- case DPT_EISA_DPTA502 :
- return ("DPT PM2012Bx/9X");
- break;
- case DPT_EISA_DPTA701 :
- return ("DPT PM2011B1/9X");
- break;
- case DPT_EISA_DPTBC01 :
- return ("DPT PM3011/7X ESDI");
- break;
- case DPT_EISA_NEC8200 :
- return ("NEC EATA SCSI");
- break;
- case DPT_EISA_ATT2408 :
- return ("ATT EATA SCSI");
+ case DPT_EISA_DPT2402:
+ case DPT_EISA_DPTA401:
+ case DPT_EISA_DPTA402:
+ case DPT_EISA_DPTA410:
+ case DPT_EISA_DPTA411:
+ case DPT_EISA_DPTA412:
+ case DPT_EISA_DPTA420:
+ case DPT_EISA_DPTA501:
+ case DPT_EISA_DPTA502:
+ case DPT_EISA_DPTA701:
+ case DPT_EISA_DPTBC01:
+ case DPT_EISA_DPT8200:
+ case DPT_EISA_DPT2408:
+ return ("DPT SCSI Host Bus Adapter");
break;
default:
break;
@@ -243,7 +216,7 @@ static device_method_t dpt_eisa_methods[] = {
static driver_t dpt_eisa_driver = {
"dpt",
dpt_eisa_methods,
- 1, /* unused */
+ sizeof(dpt_softc_t),
};
static devclass_t dpt_devclass;
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