/*
* Copyright (c) 1997 by 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.
* 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
* 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.
*/
/*
* Credits: Based on and part of the DPT driver for FreeBSD written and
* maintained by Simon Shapiro <shimon@simon-shapiro.org>
*/
/*
* $Id: dpt_eisa.c,v 1.7 1999/08/01 22:57:09 mdodd Exp $
*/
#include "eisa.h"
#if NEISA > 0
#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>
#include <machine/bus_pio.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <cam/scsi/scsi_all.h>
#include <dev/dpt/dpt.h>
#include <i386/eisa/eisaconf.h>
#include <i386/eisa/dpt_eisa.h>
#include <machine/clock.h>
#include <vm/vm.h>
#include <vm/vm_param.h>
#include <vm/pmap.h>
/* Function Prototypes */
static const char *dpt_eisa_match(eisa_id_t);
static int
dpt_eisa_probe(device_t dev)
{
const char *desc;
u_int32_t io_base;
u_int intdef;
u_int irq;
int shared;
desc = dpt_eisa_match(eisa_get_id(dev));
if (!desc)
return (ENXIO);
device_set_desc(dev, desc);
io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE)
+ DPT_EISA_SLOT_OFFSET;
eisa_add_iospace(dev, io_base, DPT_EISA_IOSIZE, RESVADDR_NONE);
outb((DPT_EISA_CFENABLE + io_base), 0xf8);
intdef = inb(DPT_EISA_INTDEF + io_base);
irq = intdef & DPT_EISA_INT_NUM_MASK;
shared = (intdef & DPT_EISA_INT_LEVEL)
? EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
switch (irq) {
case DPT_EISA_INT_NUM_11:
irq = 11;
break;
case DPT_EISA_INT_NUM_15:
irq = 15;
break;
case DPT_EISA_INT_NUM_14:
irq = 14;
break;
default:
device_printf(dev, "dpt at slot %d: illegal irq setting %d\n",
eisa_get_slot(dev), irq);
irq = 0;
break;
}
if (irq == 0)
return (ENXIO);
eisa_add_intr(dev, irq, shared);
return 0;
}
static int
dpt_eisa_attach(device_t dev)
{
dpt_softc_t *dpt;
struct resource *io = 0;
struct resource *irq = 0;
int unit = device_get_unit(dev);
int s;
int rid;
void *ih;
rid = 0;
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;
}
dpt = dpt_alloc(unit, rman_get_bustag(io),
rman_get_bushandle(io) + DPT_EISA_EATA_REG_OFFSET);
if (dpt == NULL)
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) {
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");
goto bad;
}
s = splcam();
if (dpt_init(dpt) != 0) {
dpt_free(dpt);
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;
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;
}
static const char *
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");
break;
default:
break;
}
return (NULL);
}
static device_method_t dpt_eisa_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, dpt_eisa_probe),
DEVMETHOD(device_attach, dpt_eisa_attach),
{ 0, 0 }
};
static driver_t dpt_eisa_driver = {
"dpt",
dpt_eisa_methods,
1, /* unused */
};
static devclass_t dpt_devclass;
DRIVER_MODULE(dpt, eisa, dpt_eisa_driver, dpt_devclass, 0, 0);
#endif /* NEISA > 0 */
