tmc18c30_isa.c revision 73280
167468Snon/* $FreeBSD: head/sys/dev/stg/tmc18c30_isa.c 73280 2001-03-01 17:09:09Z markm $ */ 267468Snon/* $NecBSD: tmc18c30_pisa.c,v 1.22 1998/11/26 01:59:21 honda Exp $ */ 367468Snon/* $NetBSD$ */ 467468Snon 567468Snon/* 667468Snon * [Ported for FreeBSD] 767468Snon * Copyright (c) 2000 867468Snon * Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe. 967468Snon * All rights reserved. 1067468Snon * [NetBSD for NEC PC-98 series] 1167468Snon * Copyright (c) 1996, 1997, 1998 1267468Snon * NetBSD/pc98 porting staff. All rights reserved. 1367468Snon * Copyright (c) 1996, 1997, 1998 1467468Snon * Naofumi HONDA. All rights reserved. 1567468Snon * Copyright (c) 1996, 1997, 1998 1667468Snon * Kouichi Matsuda. All rights reserved. 1767468Snon * 1867468Snon * Redistribution and use in source and binary forms, with or without 1967468Snon * modification, are permitted provided that the following conditions 2067468Snon * are met: 2167468Snon * 1. Redistributions of source code must retain the above copyright 2267468Snon * notice, this list of conditions and the following disclaimer. 2367468Snon * 2. Redistributions in binary form must reproduce the above copyright 2467468Snon * notice, this list of conditions and the following disclaimer in the 2567468Snon * documentation and/or other materials provided with the distribution. 2667468Snon * 3. The name of the author may not be used to endorse or promote products 2767468Snon * derived from this software without specific prior written permission. 2867468Snon * 2967468Snon * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 3067468Snon * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 3167468Snon * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 3267468Snon * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 3367468Snon * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 3467468Snon * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 3567468Snon * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3667468Snon * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 3767468Snon * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 3867468Snon * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3967468Snon * POSSIBILITY OF SUCH DAMAGE. 4067468Snon */ 4167468Snon 4267468Snon#include <sys/param.h> 4367468Snon#include <sys/systm.h> 4467468Snon#include <sys/kernel.h> 4567468Snon#include <sys/module.h> 4667468Snon#include <sys/bus.h> 4767468Snon#include <sys/disklabel.h> 4867468Snon#if defined(__FreeBSD__) && __FreeBSD_version >= 500001 4967468Snon#include <sys/bio.h> 5067468Snon#endif 5167468Snon#include <sys/buf.h> 5267468Snon#include <sys/queue.h> 5367468Snon#include <sys/malloc.h> 5467468Snon#include <sys/errno.h> 5567468Snon 5667468Snon#include <vm/vm.h> 5767468Snon 5867468Snon#include <machine/bus_pio.h> 5967468Snon#include <machine/bus.h> 6067468Snon#include <machine/resource.h> 6167468Snon#include <sys/rman.h> 6267468Snon 6367468Snon#include <isa/isavar.h> 6467468Snon 6567468Snon#include <machine/dvcfg.h> 6667468Snon 6767468Snon#include <sys/device_port.h> 6867468Snon 6967468Snon#include <cam/scsi/scsi_low.h> 7067468Snon#include <isa/isa_common.h> 7167468Snon#include <cam/scsi/scsi_low_pisa.h> 7267468Snon 7367468Snon#include <dev/stg/tmc18c30reg.h> 7467468Snon#include <dev/stg/tmc18c30var.h> 7567468Snon 7667468Snon#define STG_HOSTID 7 7767468Snon 7867468Snon#include <sys/kernel.h> 7967468Snon#include <sys/module.h> 8067468Snon 8167468Snonstatic int stgprobe(device_t devi); 8267468Snonstatic int stgattach(device_t devi); 8367468Snon 8467468Snonstatic void stg_isa_unload __P((device_t)); 8567468Snon 8667468Snonstatic void 8767468Snonstg_isa_intr(void * arg) 8867468Snon{ 8967468Snon stgintr(arg); 9067468Snon} 9167468Snon 9267468Snonstatic void 9367468Snonstg_release_resource(device_t dev) 9467468Snon{ 9567468Snon struct stg_softc *sc = device_get_softc(dev); 9667468Snon 9767468Snon if (sc->stg_intrhand) { 9867468Snon bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand); 9967468Snon } 10067468Snon 10167468Snon if (sc->port_res) { 10267468Snon bus_release_resource(dev, SYS_RES_IOPORT, 10367468Snon sc->port_rid, sc->port_res); 10467468Snon } 10567468Snon 10667468Snon if (sc->irq_res) { 10767468Snon bus_release_resource(dev, SYS_RES_IRQ, 10867468Snon sc->irq_rid, sc->irq_res); 10967468Snon } 11067468Snon 11167468Snon if (sc->mem_res) { 11267468Snon bus_release_resource(dev, SYS_RES_MEMORY, 11367468Snon sc->mem_rid, sc->mem_res); 11467468Snon } 11567468Snon} 11667468Snon 11767468Snonstatic int 11867468Snonstg_alloc_resource(device_t dev) 11967468Snon{ 12067468Snon struct stg_softc *sc = device_get_softc(dev); 12167468Snon u_long maddr, msize; 12267468Snon int error; 12367468Snon 12467468Snon sc->port_rid = 0; 12567468Snon sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid, 12667468Snon 0, ~0, STGIOSZ, RF_ACTIVE); 12767468Snon if (sc->port_res == NULL) { 12867468Snon stg_release_resource(dev); 12967468Snon return(ENOMEM); 13067468Snon } 13167468Snon 13267468Snon sc->irq_rid = 0; 13367468Snon sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid, 13467468Snon 0, ~0, 1, RF_ACTIVE); 13567468Snon if (sc->irq_res == NULL) { 13667468Snon stg_release_resource(dev); 13767468Snon return(ENOMEM); 13867468Snon } 13967468Snon 14067468Snon error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize); 14167468Snon if (error) { 14267468Snon return(0); /* XXX */ 14367468Snon } 14467468Snon 14567468Snon /* no need to allocate memory if not configured */ 14667468Snon if (maddr == 0 || msize == 0) { 14767468Snon return(0); 14867468Snon } 14967468Snon 15067468Snon sc->mem_rid = 0; 15167468Snon sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid, 15267468Snon 0, ~0, msize, RF_ACTIVE); 15367468Snon if (sc->mem_res == NULL) { 15467468Snon stg_release_resource(dev); 15567468Snon return(ENOMEM); 15667468Snon } 15767468Snon 15867468Snon return(0); 15967468Snon} 16067468Snon 16167468Snonstatic int 16267468Snonstg_isa_probe(device_t dev) 16367468Snon{ 16467468Snon struct stg_softc *sc = device_get_softc(dev); 16567468Snon int error; 16667468Snon 16767468Snon bzero(sc, sizeof(struct stg_softc)); 16867468Snon 16967468Snon error = stg_alloc_resource(dev); 17067468Snon if (error) { 17167468Snon return(error); 17267468Snon } 17367468Snon 17467468Snon if (stgprobe(dev) == 0) { 17567468Snon stg_release_resource(dev); 17667468Snon return(ENXIO); 17767468Snon } 17867468Snon 17967468Snon stg_release_resource(dev); 18067468Snon 18167468Snon return(0); 18267468Snon} 18367468Snon 18467468Snonstatic int 18567468Snonstg_isa_attach(device_t dev) 18667468Snon{ 18767468Snon struct stg_softc *sc = device_get_softc(dev); 18867468Snon int error; 18967468Snon 19067468Snon error = stg_alloc_resource(dev); 19167468Snon if (error) { 19267468Snon return(error); 19367468Snon } 19467468Snon 19573280Smarkm error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY, 19667468Snon stg_isa_intr, (void *)sc, &sc->stg_intrhand); 19767468Snon if (error) { 19867468Snon stg_release_resource(dev); 19967468Snon return(error); 20067468Snon } 20167468Snon 20267468Snon if (stgattach(dev) == 0) { 20367468Snon stg_release_resource(dev); 20467468Snon return(ENXIO); 20567468Snon } 20667468Snon 20767468Snon return(0); 20867468Snon} 20967468Snon 21067468Snonstatic void 21167468Snonstg_isa_detach(device_t dev) 21267468Snon{ 21367468Snon stg_isa_unload(dev); 21467468Snon stg_release_resource(dev); 21567468Snon} 21667468Snon 21767468Snonstatic device_method_t stg_isa_methods[] = { 21867468Snon /* Device interface */ 21967468Snon DEVMETHOD(device_probe, stg_isa_probe), 22067468Snon DEVMETHOD(device_attach, stg_isa_attach), 22167468Snon DEVMETHOD(device_detach, stg_isa_detach), 22267468Snon 22367468Snon { 0, 0 } 22467468Snon}; 22567468Snon 22667468Snonstatic driver_t stg_isa_driver = { 22767468Snon "stg", 22867468Snon stg_isa_methods, 22967468Snon sizeof(struct stg_softc), 23067468Snon}; 23167468Snon 23267468Snonstatic devclass_t stg_devclass; 23367468Snon 23467468SnonDRIVER_MODULE(stg, isa, stg_isa_driver, stg_devclass, 0, 0); 23567468Snon 23667468Snonstatic void 23767468Snonstg_isa_unload(device_t devi) 23867468Snon{ 23967468Snon struct stg_softc *sc = device_get_softc(devi); 24067468Snon 24167468Snon printf("%s: unload\n",sc->sc_sclow.sl_xname); 24267468Snon scsi_low_deactivate((struct scsi_low_softc *)sc); 24367468Snon scsi_low_dettach(&sc->sc_sclow); 24467468Snon} 24567468Snon 24667468Snonstatic int 24767468Snonstgprobe(device_t devi) 24867468Snon{ 24967468Snon int rv; 25067468Snon struct stg_softc *sc = device_get_softc(devi); 25167468Snon 25267468Snon rv = stgprobesubr(rman_get_bustag(sc->port_res), 25367468Snon rman_get_bushandle(sc->port_res), 25467468Snon device_get_flags(devi)); 25567468Snon 25667468Snon return rv; 25767468Snon} 25867468Snon 25967468Snonstatic int 26067468Snonstgattach(device_t devi) 26167468Snon{ 26267468Snon struct stg_softc *sc; 26367468Snon struct scsi_low_softc *slp; 26467468Snon u_int32_t flags = device_get_flags(devi); 26567468Snon u_int iobase = bus_get_resource_start(devi, SYS_RES_IOPORT, 0); 26667468Snon 26767468Snon char dvname[16]; 26867468Snon 26967468Snon strcpy(dvname,"stg"); 27067468Snon 27167468Snon 27267468Snon if (iobase == 0) 27367468Snon { 27467468Snon printf("%s: no ioaddr is given\n", dvname); 27567468Snon return (0); 27667468Snon } 27767468Snon 27867468Snon sc = device_get_softc(devi); 27967468Snon if (sc == NULL) { 28067468Snon return(0); 28167468Snon } 28267468Snon 28367468Snon slp = &sc->sc_sclow; 28467468Snon slp->sl_dev = devi; 28567468Snon sc->sc_iot = rman_get_bustag(sc->port_res); 28667468Snon sc->sc_ioh = rman_get_bushandle(sc->port_res); 28767468Snon 28867468Snon slp->sl_hostid = STG_HOSTID; 28967468Snon slp->sl_cfgflags = flags; 29067468Snon 29167468Snon stgattachsubr(sc); 29267468Snon 29367468Snon sc->sc_ih = stgintr; 29467468Snon 29567468Snon return(STGIOSZ); 29667468Snon} 297