298 lines
6.6 KiB
C
298 lines
6.6 KiB
C
/* $FreeBSD$ */
|
|
/* $NecBSD: tmc18c30_pisa.c,v 1.22 1998/11/26 01:59:21 honda Exp $ */
|
|
/* $NetBSD$ */
|
|
|
|
/*
|
|
* [Ported for FreeBSD]
|
|
* Copyright (c) 2000
|
|
* Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe.
|
|
* All rights reserved.
|
|
* [NetBSD for NEC PC-98 series]
|
|
* Copyright (c) 1996, 1997, 1998
|
|
* NetBSD/pc98 porting staff. All rights reserved.
|
|
* Copyright (c) 1996, 1997, 1998
|
|
* Naofumi HONDA. All rights reserved.
|
|
* Copyright (c) 1996, 1997, 1998
|
|
* Kouichi Matsuda. 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.
|
|
* 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 ``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 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.
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/disklabel.h>
|
|
#if defined(__FreeBSD__) && __FreeBSD_version >= 500001
|
|
#include <sys/bio.h>
|
|
#endif
|
|
#include <sys/buf.h>
|
|
#include <sys/queue.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/errno.h>
|
|
|
|
#include <vm/vm.h>
|
|
|
|
#include <machine/bus_pio.h>
|
|
#include <machine/bus.h>
|
|
#include <machine/resource.h>
|
|
#include <sys/rman.h>
|
|
|
|
#include <isa/isavar.h>
|
|
|
|
#include <machine/dvcfg.h>
|
|
|
|
#include <sys/device_port.h>
|
|
|
|
#include <cam/scsi/scsi_low.h>
|
|
#include <isa/isa_common.h>
|
|
#include <cam/scsi/scsi_low_pisa.h>
|
|
|
|
#include <dev/stg/tmc18c30reg.h>
|
|
#include <dev/stg/tmc18c30var.h>
|
|
|
|
#define STG_HOSTID 7
|
|
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
#include <sys/select.h>
|
|
|
|
static int stgprobe(device_t devi);
|
|
static int stgattach(device_t devi);
|
|
|
|
static void stg_isa_unload __P((device_t));
|
|
|
|
static void
|
|
stg_isa_intr(void * arg)
|
|
{
|
|
stgintr(arg);
|
|
}
|
|
|
|
static void
|
|
stg_release_resource(device_t dev)
|
|
{
|
|
struct stg_softc *sc = device_get_softc(dev);
|
|
|
|
if (sc->stg_intrhand) {
|
|
bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand);
|
|
}
|
|
|
|
if (sc->port_res) {
|
|
bus_release_resource(dev, SYS_RES_IOPORT,
|
|
sc->port_rid, sc->port_res);
|
|
}
|
|
|
|
if (sc->irq_res) {
|
|
bus_release_resource(dev, SYS_RES_IRQ,
|
|
sc->irq_rid, sc->irq_res);
|
|
}
|
|
|
|
if (sc->mem_res) {
|
|
bus_release_resource(dev, SYS_RES_MEMORY,
|
|
sc->mem_rid, sc->mem_res);
|
|
}
|
|
}
|
|
|
|
static int
|
|
stg_alloc_resource(device_t dev)
|
|
{
|
|
struct stg_softc *sc = device_get_softc(dev);
|
|
u_long maddr, msize;
|
|
int error;
|
|
|
|
sc->port_rid = 0;
|
|
sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
|
|
0, ~0, STGIOSZ, RF_ACTIVE);
|
|
if (sc->port_res == NULL) {
|
|
stg_release_resource(dev);
|
|
return(ENOMEM);
|
|
}
|
|
|
|
sc->irq_rid = 0;
|
|
sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
|
|
0, ~0, 1, RF_ACTIVE);
|
|
if (sc->irq_res == NULL) {
|
|
stg_release_resource(dev);
|
|
return(ENOMEM);
|
|
}
|
|
|
|
error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
|
|
if (error) {
|
|
return(0); /* XXX */
|
|
}
|
|
|
|
/* no need to allocate memory if not configured */
|
|
if (maddr == 0 || msize == 0) {
|
|
return(0);
|
|
}
|
|
|
|
sc->mem_rid = 0;
|
|
sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
|
|
0, ~0, msize, RF_ACTIVE);
|
|
if (sc->mem_res == NULL) {
|
|
stg_release_resource(dev);
|
|
return(ENOMEM);
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
stg_isa_probe(device_t dev)
|
|
{
|
|
struct stg_softc *sc = device_get_softc(dev);
|
|
int error;
|
|
|
|
bzero(sc, sizeof(struct stg_softc));
|
|
|
|
error = stg_alloc_resource(dev);
|
|
if (error) {
|
|
return(error);
|
|
}
|
|
|
|
if (stgprobe(dev) == 0) {
|
|
stg_release_resource(dev);
|
|
return(ENXIO);
|
|
}
|
|
|
|
stg_release_resource(dev);
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
stg_isa_attach(device_t dev)
|
|
{
|
|
struct stg_softc *sc = device_get_softc(dev);
|
|
int error;
|
|
|
|
error = stg_alloc_resource(dev);
|
|
if (error) {
|
|
return(error);
|
|
}
|
|
|
|
error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM,
|
|
stg_isa_intr, (void *)sc, &sc->stg_intrhand);
|
|
if (error) {
|
|
stg_release_resource(dev);
|
|
return(error);
|
|
}
|
|
|
|
if (stgattach(dev) == 0) {
|
|
stg_release_resource(dev);
|
|
return(ENXIO);
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
static void
|
|
stg_isa_detach(device_t dev)
|
|
{
|
|
stg_isa_unload(dev);
|
|
stg_release_resource(dev);
|
|
}
|
|
|
|
static device_method_t stg_isa_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, stg_isa_probe),
|
|
DEVMETHOD(device_attach, stg_isa_attach),
|
|
DEVMETHOD(device_detach, stg_isa_detach),
|
|
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t stg_isa_driver = {
|
|
"stg",
|
|
stg_isa_methods,
|
|
sizeof(struct stg_softc),
|
|
};
|
|
|
|
static devclass_t stg_devclass;
|
|
|
|
DRIVER_MODULE(stg, isa, stg_isa_driver, stg_devclass, 0, 0);
|
|
|
|
static void
|
|
stg_isa_unload(device_t devi)
|
|
{
|
|
struct stg_softc *sc = device_get_softc(devi);
|
|
|
|
printf("%s: unload\n",sc->sc_sclow.sl_xname);
|
|
scsi_low_deactivate((struct scsi_low_softc *)sc);
|
|
scsi_low_dettach(&sc->sc_sclow);
|
|
}
|
|
|
|
static int
|
|
stgprobe(device_t devi)
|
|
{
|
|
int rv;
|
|
struct stg_softc *sc = device_get_softc(devi);
|
|
|
|
rv = stgprobesubr(rman_get_bustag(sc->port_res),
|
|
rman_get_bushandle(sc->port_res),
|
|
device_get_flags(devi));
|
|
|
|
return rv;
|
|
}
|
|
|
|
static int
|
|
stgattach(device_t devi)
|
|
{
|
|
struct stg_softc *sc;
|
|
struct scsi_low_softc *slp;
|
|
u_int32_t flags = device_get_flags(devi);
|
|
u_int iobase = bus_get_resource_start(devi, SYS_RES_IOPORT, 0);
|
|
|
|
char dvname[16];
|
|
|
|
strcpy(dvname,"stg");
|
|
|
|
|
|
if (iobase == 0)
|
|
{
|
|
printf("%s: no ioaddr is given\n", dvname);
|
|
return (0);
|
|
}
|
|
|
|
sc = device_get_softc(devi);
|
|
if (sc == NULL) {
|
|
return(0);
|
|
}
|
|
|
|
slp = &sc->sc_sclow;
|
|
slp->sl_dev = devi;
|
|
sc->sc_iot = rman_get_bustag(sc->port_res);
|
|
sc->sc_ioh = rman_get_bushandle(sc->port_res);
|
|
|
|
slp->sl_hostid = STG_HOSTID;
|
|
slp->sl_cfgflags = flags;
|
|
|
|
stgattachsubr(sc);
|
|
|
|
sc->sc_ih = stgintr;
|
|
|
|
return(STGIOSZ);
|
|
}
|