297 lines
7.1 KiB
C
297 lines
7.1 KiB
C
/* $NecBSD: nsp_pisa.c,v 1.4 1999/04/15 01:35:54 kmatsuda Exp $ */
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/* $NetBSD$ */
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/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* [Ported for FreeBSD]
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* Copyright (c) 2000
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* Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe.
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* All rights reserved.
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* [NetBSD for NEC PC-98 series]
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* Copyright (c) 1998
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* NetBSD/pc98 porting staff. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/errno.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/systm.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <sys/bus.h>
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#include <dev/pccard/pccardvar.h>
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#include <cam/scsi/scsi_low.h>
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#include <dev/nsp/nspreg.h>
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#include <dev/nsp/nspvar.h>
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#define NSP_HOSTID 7
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#include "pccarddevs.h"
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#define PIO_MODE 0x100 /* pd_flags */
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static int nspprobe(device_t devi);
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static int nspattach(device_t devi);
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static void nsp_card_unload (device_t);
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const struct pccard_product nsp_products[] = {
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PCMCIA_CARD(IODATA3, CBSC16),
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PCMCIA_CARD(PANASONIC, KME),
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PCMCIA_CARD(WORKBIT2, NINJA_SCSI3),
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PCMCIA_CARD(WORKBIT, ULTRA_NINJA_16),
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{ NULL }
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};
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/*
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* Additional code for FreeBSD new-bus PC Card frontend
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*/
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static void
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nsp_pccard_intr(void * arg)
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{
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struct nsp_softc *sc;
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sc = arg;
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SCSI_LOW_LOCK(&sc->sc_sclow);
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nspintr(sc);
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SCSI_LOW_UNLOCK(&sc->sc_sclow);
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}
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static void
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nsp_release_resource(device_t dev)
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{
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struct nsp_softc *sc = device_get_softc(dev);
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if (sc->nsp_intrhand)
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bus_teardown_intr(dev, sc->irq_res, sc->nsp_intrhand);
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if (sc->port_res)
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bus_release_resource(dev, SYS_RES_IOPORT,
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sc->port_rid, sc->port_res);
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if (sc->irq_res)
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bus_release_resource(dev, SYS_RES_IRQ,
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sc->irq_rid, sc->irq_res);
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if (sc->mem_res)
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bus_release_resource(dev, SYS_RES_MEMORY,
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sc->mem_rid, sc->mem_res);
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mtx_destroy(&sc->sc_sclow.sl_lock);
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}
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static int
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nsp_alloc_resource(device_t dev)
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{
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struct nsp_softc *sc = device_get_softc(dev);
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rman_res_t ioaddr, iosize, maddr, msize;
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int error;
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error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize);
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if (error || iosize < NSP_IOSIZE)
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return(ENOMEM);
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mtx_init(&sc->sc_sclow.sl_lock, "nsp", NULL, MTX_DEF);
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sc->port_rid = 0;
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sc->port_res = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT,
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&sc->port_rid, NSP_IOSIZE,
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RF_ACTIVE);
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if (sc->port_res == NULL) {
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nsp_release_resource(dev);
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return(ENOMEM);
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}
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sc->irq_rid = 0;
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sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
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RF_ACTIVE);
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if (sc->irq_res == NULL) {
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nsp_release_resource(dev);
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return(ENOMEM);
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}
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error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
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if (error)
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return(0); /* XXX */
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/* No need to allocate memory if not configured and it's in PIO mode */
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if (maddr == 0 || msize == 0) {
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if ((device_get_flags(dev) & PIO_MODE) == 0) {
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printf("Memory window was not configured. Configure or use in PIO mode.");
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nsp_release_resource(dev);
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return(ENOMEM);
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}
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/* no need to allocate memory if PIO mode */
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return(0);
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}
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sc->mem_rid = 0;
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sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid,
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RF_ACTIVE);
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if (sc->mem_res == NULL) {
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nsp_release_resource(dev);
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return(ENOMEM);
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}
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return(0);
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}
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static int
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nsp_pccard_probe(device_t dev)
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{
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const struct pccard_product *pp;
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if ((pp = pccard_product_lookup(dev, nsp_products,
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sizeof(nsp_products[0]), NULL)) != NULL) {
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if (pp->pp_name)
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device_set_desc(dev, pp->pp_name);
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return (BUS_PROBE_DEFAULT);
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}
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return(EIO);
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}
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static int
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nsp_pccard_attach(device_t dev)
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{
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struct nsp_softc *sc = device_get_softc(dev);
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int error;
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error = nsp_alloc_resource(dev);
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if (error)
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return(error);
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if (nspprobe(dev) == 0) {
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nsp_release_resource(dev);
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return(ENXIO);
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}
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error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY |
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INTR_MPSAFE, NULL, nsp_pccard_intr, sc, &sc->nsp_intrhand);
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if (error) {
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nsp_release_resource(dev);
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return(error);
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}
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if (nspattach(dev) == 0) {
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nsp_release_resource(dev);
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return(ENXIO);
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}
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gone_in_dev(dev, 12, "nsp(4) driver");
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return(0);
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}
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static int
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nsp_pccard_detach(device_t dev)
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{
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nsp_card_unload(dev);
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nsp_release_resource(dev);
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return (0);
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}
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static device_method_t nsp_pccard_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, nsp_pccard_probe),
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DEVMETHOD(device_attach, nsp_pccard_attach),
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DEVMETHOD(device_detach, nsp_pccard_detach),
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{ 0, 0 }
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};
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static driver_t nsp_pccard_driver = {
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"nsp",
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nsp_pccard_methods,
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sizeof(struct nsp_softc),
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};
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static devclass_t nsp_devclass;
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MODULE_DEPEND(nsp, scsi_low, 1, 1, 1);
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DRIVER_MODULE(nsp, pccard, nsp_pccard_driver, nsp_devclass, 0, 0);
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PCCARD_PNP_INFO(nsp_products);
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static void
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nsp_card_unload(device_t devi)
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{
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struct nsp_softc *sc = device_get_softc(devi);
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scsi_low_deactivate(&sc->sc_sclow);
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scsi_low_detach(&sc->sc_sclow);
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}
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static int
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nspprobe(device_t devi)
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{
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int rv;
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struct nsp_softc *sc = device_get_softc(devi);
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rv = nspprobesubr(sc->port_res,
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device_get_flags(devi));
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return rv;
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}
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static int
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nspattach(device_t devi)
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{
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struct nsp_softc *sc;
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struct scsi_low_softc *slp;
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u_int32_t flags = device_get_flags(devi);
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u_int iobase = bus_get_resource_start(devi, SYS_RES_IOPORT, 0);
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if (iobase == 0) {
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device_printf(devi, "no ioaddr is given\n");
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return (ENXIO);
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}
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sc = device_get_softc(devi);
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slp = &sc->sc_sclow;
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slp->sl_dev = devi;
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if (sc->mem_res == NULL) {
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device_printf(devi,
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"WARNING: CANNOT GET Memory RESOURCE going PIO mode\n");
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flags |= PIO_MODE;
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}
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/* slp->sl_irq = devi->pd_irq; */
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sc->sc_iclkdiv = CLKDIVR_20M;
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sc->sc_clkdiv = CLKDIVR_40M;
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slp->sl_hostid = NSP_HOSTID;
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slp->sl_cfgflags = flags;
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nspattachsubr(sc);
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return(NSP_IOSIZE);
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}
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