freebsd-skq/sys/dev/ncv/ncr53c500_pccard.c
Noriaki Mitsunaga 205274e87d o Check the size of I/O window handed by parent bus.
o Allocate memory mapped by pcic even when not used for ncv.
  This is for PC-Cards which needs offset, because I/O space should not be
  used by other devices.

Pointed-out-by: YAMAMOTO Shigeru <shigeru@iij.ad.jp>
2001-02-26 12:26:29 +00:00

436 lines
9.9 KiB
C

/* $FreeBSD$ */
/* $NecBSD: ncr53c500_pisa.c,v 1.28 1998/11/26 01:59:11 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) 1995, 1996, 1997, 1998
* NetBSD/pc98 porting staff. All rights reserved.
* Copyright (c) 1995, 1996, 1997, 1998
* Naofumi HONDA. 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/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.h>
#include <machine/bus_pio.h>
#include <i386/isa/isa_device.h>
#include <machine/dvcfg.h>
#if defined(__FreeBSD__) && __FreeBSD_version < 400001
static struct ncv_softc *ncv_get_softc(int);
extern struct ncv_softc *ncvdata[];
#define DEVPORT_ALLOCSOFTCFUNC ncv_get_softc
#define DEVPORT_SOFTCARRAY ncvdata
#endif
#include <sys/device_port.h>
#include <cam/scsi/scsi_low.h>
#include <cam/scsi/scsi_low_pisa.h>
#include <dev/ncv/ncr53c500reg.h>
#include <dev/ncv/ncr53c500hw.h>
#include <dev/ncv/ncr53c500var.h>
#if defined(__NetBSD__) || (defined(__FreeBSD__) && __FreeBSD_version < 400001)
#include "ncv.h"
#endif
#define KME_KXLC004_01 0x100
#define OFFSET_KME_KXLC004_01 0x10
/* pccard support */
#include "card.h"
#if NCARD > 0
#include <sys/kernel.h>
#include <sys/module.h>
#if !defined(__FreeBSD__) || __FreeBSD_version < 500014
#include <sys/select.h>
#endif
#include <pccard/cardinfo.h>
#include <pccard/slot.h>
static int ncvprobe(DEVPORT_PDEVICE devi);
static int ncvattach(DEVPORT_PDEVICE devi);
static void ncv_card_unload __P((DEVPORT_PDEVICE));
#if defined(__FreeBSD__) && __FreeBSD_version < 400001
static int ncv_card_init __P((DEVPORT_PDEVICE));
static int ncv_card_intr __P((DEVPORT_PDEVICE));
#endif
#if defined(__FreeBSD__) && __FreeBSD_version >= 400001
/*
* Additional code for FreeBSD new-bus PCCard frontend
*/
static void
ncv_pccard_intr(void * arg)
{
ncvintr(arg);
}
static void
ncv_release_resource(DEVPORT_PDEVICE dev)
{
struct ncv_softc *sc = device_get_softc(dev);
if (sc->ncv_intrhand) {
bus_teardown_intr(dev, sc->irq_res, sc->ncv_intrhand);
}
if (sc->port_res) {
bus_release_resource(dev, SYS_RES_IOPORT,
sc->port_rid, sc->port_res);
}
if (sc->port_res_dmy) {
bus_release_resource(dev, SYS_RES_IOPORT,
sc->port_rid_dmy, sc->port_res_dmy);
}
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
ncv_alloc_resource(DEVPORT_PDEVICE dev)
{
struct ncv_softc *sc = device_get_softc(dev);
u_int32_t flags = DEVPORT_PDEVFLAGS(dev);
u_long ioaddr, iosize, maddr, msize;
int error;
bus_addr_t offset = 0;
if(flags & KME_KXLC004_01)
offset = OFFSET_KME_KXLC004_01;
error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize);
if (error || (iosize < (offset + NCVIOSZ))) {
return(ENOMEM);
}
sc->port_rid = 0;
sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
ioaddr+offset, ioaddr+iosize-offset,
iosize-offset, RF_ACTIVE);
if (sc->port_res == NULL) {
ncv_release_resource(dev);
return(ENOMEM);
}
if (offset != 0) {
sc->port_rid_dmy = 0;
sc->port_res_dmy = bus_alloc_resource(dev, SYS_RES_IOPORT,
&sc->port_rid_dmy,
ioaddr, ioaddr+offset, offset,
RF_ACTIVE);
if (sc->port_res_dmy == NULL) {
printf("Warning: cannot allocate IOPORT partially.\n");
}
} else {
sc->port_rid_dmy = 0;
sc->port_res_dmy = NULL;
}
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) {
ncv_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) {
ncv_release_resource(dev);
return(ENOMEM);
}
return(0);
}
static int
ncv_pccard_probe(DEVPORT_PDEVICE dev)
{
struct ncv_softc *sc = device_get_softc(dev);
int error;
bzero(sc, sizeof(struct ncv_softc));
error = ncv_alloc_resource(dev);
if (error) {
return(error);
}
if (ncvprobe(dev) == 0) {
ncv_release_resource(dev);
return(ENXIO);
}
ncv_release_resource(dev);
return(0);
}
static int
ncv_pccard_attach(DEVPORT_PDEVICE dev)
{
struct ncv_softc *sc = device_get_softc(dev);
int error;
error = ncv_alloc_resource(dev);
if (error) {
return(error);
}
error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM,
ncv_pccard_intr, (void *)sc, &sc->ncv_intrhand);
if (error) {
ncv_release_resource(dev);
return(error);
}
if (ncvattach(dev) == 0) {
ncv_release_resource(dev);
return(ENXIO);
}
return(0);
}
static void
ncv_pccard_detach(DEVPORT_PDEVICE dev)
{
ncv_card_unload(dev);
ncv_release_resource(dev);
}
static device_method_t ncv_pccard_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ncv_pccard_probe),
DEVMETHOD(device_attach, ncv_pccard_attach),
DEVMETHOD(device_detach, ncv_pccard_detach),
{ 0, 0 }
};
static driver_t ncv_pccard_driver = {
"ncv",
ncv_pccard_methods,
sizeof(struct ncv_softc),
};
static devclass_t ncv_devclass;
DRIVER_MODULE(ncv, pccard, ncv_pccard_driver, ncv_devclass, 0, 0);
#else
PCCARD_MODULE(ncv, ncv_card_init, ncv_card_unload, ncv_card_intr, 0, cam_imask);
#endif
#if defined(__FreeBSD__) && __FreeBSD_version < 400001
static struct ncv_softc *
ncv_get_softc(int unit)
{
struct ncv_softc *sc;
if (unit >= NNCV) {
return(NULL);
}
if (ncvdata[unit] == NULL) {
sc = malloc(sizeof(struct ncv_softc), M_TEMP,M_NOWAIT);
if (sc == NULL) {
printf("ncv_get_softc: cannot malloc!\n");
return(NULL);
}
ncvdata[unit] = sc;
} else {
sc = ncvdata[unit];
}
return(sc);
}
static int
ncv_card_init(DEVPORT_PDEVICE devi)
{
int unit = DEVPORT_PDEVUNIT(devi);
if (NNCV <= unit)
return (ENODEV);
if (ncvprobe(devi) == 0)
return (ENXIO);
if (ncvattach(devi) == 0)
return (ENXIO);
return (0);
}
static int
ncv_card_intr(DEVPORT_PDEVICE devi)
{
ncvintr(DEVPORT_PDEVGET_SOFTC(devi));
return 1;
}
#endif
static void
ncv_card_unload(DEVPORT_PDEVICE devi)
{
struct ncv_softc *sc = DEVPORT_PDEVGET_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
ncvprobe(DEVPORT_PDEVICE devi)
{
int rv;
struct ncv_softc *sc = device_get_softc(devi);
u_int32_t flags = DEVPORT_PDEVFLAGS(devi);
#if defined(__FreeBSD__) && __FreeBSD_version >= 400001
rv = ncvprobesubr(rman_get_bustag(sc->port_res),
rman_get_bushandle(sc->port_res),
flags, NCV_HOSTID);
#else
bus_addr_t offset = 0;
u_int iobase = DEVPORT_PDEVIOBASE(devi);
if(flags & KME_KXLC004_01)
offset = OFFSET_KME_KXLC004_01;
rv = ncvprobesubr(I386_BUS_SPACE_IO,
iobase + offset,
flags, NCV_HOSTID);
#endif
return rv;
}
static int
ncvattach(DEVPORT_PDEVICE devi)
{
struct ncv_softc *sc;
struct scsi_low_softc *slp;
u_int32_t flags = DEVPORT_PDEVFLAGS(devi);
#if defined(__FreeBSD__) && __FreeBSD_version < 400001
int unit = DEVPORT_PDEVUNIT(devi);
bus_addr_t offset = 0;
u_int iobase = DEVPORT_PDEVIOBASE(devi);
#endif
char dvname[16]; /* SCSI_LOW_DVNAME_LEN */
strcpy(dvname, "ncv");
#if defined(__FreeBSD__) && __FreeBSD_version < 400001
if (unit >= NNCV)
{
printf("%s: unit number too high\n", dvname);
return (0);
}
if (iobase == 0)
{
printf("%s: no ioaddr is given\n", dvname);
return (0);
}
if(flags & KME_KXLC004_01)
offset = OFFSET_KME_KXLC004_01;
#endif
sc = DEVPORT_PDEVALLOC_SOFTC(devi);
if (sc == NULL) {
return(0);
}
slp = &sc->sc_sclow;
#if defined(__FreeBSD__) && __FreeBSD_version >= 400001
slp->sl_dev = devi;
sc->sc_iot = rman_get_bustag(sc->port_res);
sc->sc_ioh = rman_get_bushandle(sc->port_res);
#else
bzero(sc, sizeof(struct ncv_softc));
strcpy(slp->sl_dev.dv_xname, dvname);
slp->sl_dev.dv_unit = unit;
sc->sc_iot = I386_BUS_SPACE_IO;
sc->sc_ioh = iobase + offset;
#endif
slp->sl_hostid = NCV_HOSTID;
slp->sl_cfgflags = flags;
ncvattachsubr(sc);
sc->sc_ih = ncvintr;
return(NCVIOSZ);
}
#endif /* NCARD */