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| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/lindev/@/dev/nsp/nsp_pccard.c |
/* $NecBSD: nsp_pisa.c,v 1.4 1999/04/15 01:35:54 kmatsuda 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) 1998
* NetBSD/pc98 porting staff. 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/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/nsp/nsp_pccard.c 194023 2009-06-11 17:14:28Z avg $");
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/errno.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/systm.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <compat/netbsd/dvcfg.h>
#include <sys/device_port.h>
#include <dev/pccard/pccardvar.h>
#include <cam/scsi/scsi_low.h>
#include <cam/scsi/scsi_low_pisa.h>
#include <dev/nsp/nspreg.h>
#include <dev/nsp/nspvar.h>
#define NSP_HOSTID 7
#include "pccarddevs.h"
#define PIO_MODE 0x100 /* pd_flags */
static int nspprobe(DEVPORT_PDEVICE devi);
static int nspattach(DEVPORT_PDEVICE devi);
static void nsp_card_unload (DEVPORT_PDEVICE);
const struct pccard_product nsp_products[] = {
PCMCIA_CARD(IODATA3, CBSC16),
PCMCIA_CARD(PANASONIC, KME),
PCMCIA_CARD(WORKBIT2, NINJA_SCSI3),
PCMCIA_CARD(WORKBIT, ULTRA_NINJA_16),
{ NULL }
};
/*
* Additional code for FreeBSD new-bus PC Card frontend
*/
static void
nsp_pccard_intr(void * arg)
{
nspintr(arg);
}
static void
nsp_release_resource(device_t dev)
{
struct nsp_softc *sc = device_get_softc(dev);
if (sc->nsp_intrhand)
bus_teardown_intr(dev, sc->irq_res, sc->nsp_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
nsp_alloc_resource(device_t dev)
{
struct nsp_softc *sc = device_get_softc(dev);
u_long ioaddr, iosize, maddr, msize;
int error;
error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize);
if (error || iosize < NSP_IOSIZE)
return(ENOMEM);
sc->port_rid = 0;
sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
0, ~0, NSP_IOSIZE, RF_ACTIVE);
if (sc->port_res == NULL) {
nsp_release_resource(dev);
return(ENOMEM);
}
sc->irq_rid = 0;
sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
RF_ACTIVE);
if (sc->irq_res == NULL) {
nsp_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 and it's in PIO mode */
if (maddr == 0 || msize == 0) {
if ((DEVPORT_PDEVFLAGS(dev) & PIO_MODE) == 0) {
printf("Memory window was not configured. Configure or use in PIO mode.");
nsp_release_resource(dev);
return(ENOMEM);
}
/* no need to allocate memory if PIO mode */
return(0);
}
sc->mem_rid = 0;
sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid,
RF_ACTIVE);
if (sc->mem_res == NULL) {
nsp_release_resource(dev);
return(ENOMEM);
}
return(0);
}
static int
nsp_pccard_probe(device_t dev)
{
const struct pccard_product *pp;
if ((pp = pccard_product_lookup(dev, nsp_products,
sizeof(nsp_products[0]), NULL)) != NULL) {
if (pp->pp_name)
device_set_desc(dev, pp->pp_name);
return(0);
}
return(EIO);
}
static int
nsp_pccard_attach(device_t dev)
{
struct nsp_softc *sc = device_get_softc(dev);
int error;
error = nsp_alloc_resource(dev);
if (error)
return(error);
if (nspprobe(dev) == 0) {
nsp_release_resource(dev);
return(ENXIO);
}
error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY,
NULL, nsp_pccard_intr, (void *)sc, &sc->nsp_intrhand);
if (error) {
nsp_release_resource(dev);
return(error);
}
if (nspattach(dev) == 0) {
nsp_release_resource(dev);
return(ENXIO);
}
return(0);
}
static int
nsp_pccard_detach(device_t dev)
{
nsp_card_unload(dev);
nsp_release_resource(dev);
return (0);
}
static device_method_t nsp_pccard_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, nsp_pccard_probe),
DEVMETHOD(device_attach, nsp_pccard_attach),
DEVMETHOD(device_detach, nsp_pccard_detach),
{ 0, 0 }
};
static driver_t nsp_pccard_driver = {
"nsp",
nsp_pccard_methods,
sizeof(struct nsp_softc),
};
static devclass_t nsp_devclass;
MODULE_DEPEND(nsp, scsi_low, 1, 1, 1);
DRIVER_MODULE(nsp, pccard, nsp_pccard_driver, nsp_devclass, 0, 0);
static void
nsp_card_unload(DEVPORT_PDEVICE devi)
{
struct nsp_softc *sc = DEVPORT_PDEVGET_SOFTC(devi);
intrmask_t s;
s = splcam();
scsi_low_deactivate((struct scsi_low_softc *)sc);
scsi_low_dettach(&sc->sc_sclow);
splx(s);
}
static int
nspprobe(DEVPORT_PDEVICE devi)
{
int rv;
struct nsp_softc *sc = device_get_softc(devi);
rv = nspprobesubr(rman_get_bustag(sc->port_res),
rman_get_bushandle(sc->port_res),
DEVPORT_PDEVFLAGS(devi));
return rv;
}
static int
nspattach(DEVPORT_PDEVICE devi)
{
struct nsp_softc *sc;
struct scsi_low_softc *slp;
u_int32_t flags = DEVPORT_PDEVFLAGS(devi);
u_int iobase = DEVPORT_PDEVIOBASE(devi);
intrmask_t s;
char dvname[16];
strcpy(dvname,"nsp");
if (iobase == 0) {
printf("%s: no ioaddr is given\n", dvname);
return (0);
}
sc = DEVPORT_PDEVALLOC_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);
if (sc->mem_res == NULL) {
printf("WARNING: CANNOT GET Memory RESOURCE going PIO mode");
flags |= PIO_MODE;
}
if ((flags & PIO_MODE) == 0) {
sc->sc_memt = rman_get_bustag(sc->mem_res);
sc->sc_memh = rman_get_bushandle(sc->mem_res);
} else {
sc->sc_memh = 0;
}
/* slp->sl_irq = devi->pd_irq; */
sc->sc_iclkdiv = CLKDIVR_20M;
sc->sc_clkdiv = CLKDIVR_40M;
slp->sl_hostid = NSP_HOSTID;
slp->sl_cfgflags = flags;
s = splcam();
nspattachsubr(sc);
splx(s);
return(NSP_IOSIZE);
}