tmc18c30_isa.c revision 67468
167468Snon/* $FreeBSD: head/sys/dev/stg/tmc18c30_isa.c 67468 2000-10-23 12:55:51Z non $ */ 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#include <sys/select.h> 8167468Snon 8267468Snonstatic int stgprobe(device_t devi); 8367468Snonstatic int stgattach(device_t devi); 8467468Snon 8567468Snonstatic void stg_isa_unload __P((device_t)); 8667468Snon 8767468Snonstatic void 8867468Snonstg_isa_intr(void * arg) 8967468Snon{ 9067468Snon stgintr(arg); 9167468Snon} 9267468Snon 9367468Snonstatic void 9467468Snonstg_release_resource(device_t dev) 9567468Snon{ 9667468Snon struct stg_softc *sc = device_get_softc(dev); 9767468Snon 9867468Snon if (sc->stg_intrhand) { 9967468Snon bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand); 10067468Snon } 10167468Snon 10267468Snon if (sc->port_res) { 10367468Snon bus_release_resource(dev, SYS_RES_IOPORT, 10467468Snon sc->port_rid, sc->port_res); 10567468Snon } 10667468Snon 10767468Snon if (sc->irq_res) { 10867468Snon bus_release_resource(dev, SYS_RES_IRQ, 10967468Snon sc->irq_rid, sc->irq_res); 11067468Snon } 11167468Snon 11267468Snon if (sc->mem_res) { 11367468Snon bus_release_resource(dev, SYS_RES_MEMORY, 11467468Snon sc->mem_rid, sc->mem_res); 11567468Snon } 11667468Snon} 11767468Snon 11867468Snonstatic int 11967468Snonstg_alloc_resource(device_t dev) 12067468Snon{ 12167468Snon struct stg_softc *sc = device_get_softc(dev); 12267468Snon u_long maddr, msize; 12367468Snon int error; 12467468Snon 12567468Snon sc->port_rid = 0; 12667468Snon sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid, 12767468Snon 0, ~0, STGIOSZ, RF_ACTIVE); 12867468Snon if (sc->port_res == NULL) { 12967468Snon stg_release_resource(dev); 13067468Snon return(ENOMEM); 13167468Snon } 13267468Snon 13367468Snon sc->irq_rid = 0; 13467468Snon sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid, 13567468Snon 0, ~0, 1, RF_ACTIVE); 13667468Snon if (sc->irq_res == NULL) { 13767468Snon stg_release_resource(dev); 13867468Snon return(ENOMEM); 13967468Snon } 14067468Snon 14167468Snon error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize); 14267468Snon if (error) { 14367468Snon return(0); /* XXX */ 14467468Snon } 14567468Snon 14667468Snon /* no need to allocate memory if not configured */ 14767468Snon if (maddr == 0 || msize == 0) { 14867468Snon return(0); 14967468Snon } 15067468Snon 15167468Snon sc->mem_rid = 0; 15267468Snon sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid, 15367468Snon 0, ~0, msize, RF_ACTIVE); 15467468Snon if (sc->mem_res == NULL) { 15567468Snon stg_release_resource(dev); 15667468Snon return(ENOMEM); 15767468Snon } 15867468Snon 15967468Snon return(0); 16067468Snon} 16167468Snon 16267468Snonstatic int 16367468Snonstg_isa_probe(device_t dev) 16467468Snon{ 16567468Snon struct stg_softc *sc = device_get_softc(dev); 16667468Snon int error; 16767468Snon 16867468Snon bzero(sc, sizeof(struct stg_softc)); 16967468Snon 17067468Snon error = stg_alloc_resource(dev); 17167468Snon if (error) { 17267468Snon return(error); 17367468Snon } 17467468Snon 17567468Snon if (stgprobe(dev) == 0) { 17667468Snon stg_release_resource(dev); 17767468Snon return(ENXIO); 17867468Snon } 17967468Snon 18067468Snon stg_release_resource(dev); 18167468Snon 18267468Snon return(0); 18367468Snon} 18467468Snon 18567468Snonstatic int 18667468Snonstg_isa_attach(device_t dev) 18767468Snon{ 18867468Snon struct stg_softc *sc = device_get_softc(dev); 18967468Snon int error; 19067468Snon 19167468Snon error = stg_alloc_resource(dev); 19267468Snon if (error) { 19367468Snon return(error); 19467468Snon } 19567468Snon 19667468Snon error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM, 19767468Snon stg_isa_intr, (void *)sc, &sc->stg_intrhand); 19867468Snon if (error) { 19967468Snon stg_release_resource(dev); 20067468Snon return(error); 20167468Snon } 20267468Snon 20367468Snon if (stgattach(dev) == 0) { 20467468Snon stg_release_resource(dev); 20567468Snon return(ENXIO); 20667468Snon } 20767468Snon 20867468Snon return(0); 20967468Snon} 21067468Snon 21167468Snonstatic void 21267468Snonstg_isa_detach(device_t dev) 21367468Snon{ 21467468Snon stg_isa_unload(dev); 21567468Snon stg_release_resource(dev); 21667468Snon} 21767468Snon 21867468Snonstatic device_method_t stg_isa_methods[] = { 21967468Snon /* Device interface */ 22067468Snon DEVMETHOD(device_probe, stg_isa_probe), 22167468Snon DEVMETHOD(device_attach, stg_isa_attach), 22267468Snon DEVMETHOD(device_detach, stg_isa_detach), 22367468Snon 22467468Snon { 0, 0 } 22567468Snon}; 22667468Snon 22767468Snonstatic driver_t stg_isa_driver = { 22867468Snon "stg", 22967468Snon stg_isa_methods, 23067468Snon sizeof(struct stg_softc), 23167468Snon}; 23267468Snon 23367468Snonstatic devclass_t stg_devclass; 23467468Snon 23567468SnonDRIVER_MODULE(stg, isa, stg_isa_driver, stg_devclass, 0, 0); 23667468Snon 23767468Snonstatic void 23867468Snonstg_isa_unload(device_t devi) 23967468Snon{ 24067468Snon struct stg_softc *sc = device_get_softc(devi); 24167468Snon 24267468Snon printf("%s: unload\n",sc->sc_sclow.sl_xname); 24367468Snon scsi_low_deactivate((struct scsi_low_softc *)sc); 24467468Snon scsi_low_dettach(&sc->sc_sclow); 24567468Snon} 24667468Snon 24767468Snonstatic int 24867468Snonstgprobe(device_t devi) 24967468Snon{ 25067468Snon int rv; 25167468Snon struct stg_softc *sc = device_get_softc(devi); 25267468Snon 25367468Snon rv = stgprobesubr(rman_get_bustag(sc->port_res), 25467468Snon rman_get_bushandle(sc->port_res), 25567468Snon device_get_flags(devi)); 25667468Snon 25767468Snon return rv; 25867468Snon} 25967468Snon 26067468Snonstatic int 26167468Snonstgattach(device_t devi) 26267468Snon{ 26367468Snon struct stg_softc *sc; 26467468Snon struct scsi_low_softc *slp; 26567468Snon u_int32_t flags = device_get_flags(devi); 26667468Snon u_int iobase = bus_get_resource_start(devi, SYS_RES_IOPORT, 0); 26767468Snon 26867468Snon char dvname[16]; 26967468Snon 27067468Snon strcpy(dvname,"stg"); 27167468Snon 27267468Snon 27367468Snon if (iobase == 0) 27467468Snon { 27567468Snon printf("%s: no ioaddr is given\n", dvname); 27667468Snon return (0); 27767468Snon } 27867468Snon 27967468Snon sc = device_get_softc(devi); 28067468Snon if (sc == NULL) { 28167468Snon return(0); 28267468Snon } 28367468Snon 28467468Snon slp = &sc->sc_sclow; 28567468Snon slp->sl_dev = devi; 28667468Snon sc->sc_iot = rman_get_bustag(sc->port_res); 28767468Snon sc->sc_ioh = rman_get_bushandle(sc->port_res); 28867468Snon 28967468Snon slp->sl_hostid = STG_HOSTID; 29067468Snon slp->sl_cfgflags = flags; 29167468Snon 29267468Snon stgattachsubr(sc); 29367468Snon 29467468Snon sc->sc_ih = stgintr; 29567468Snon 29667468Snon printf("stg%d",device_get_unit(devi)); 29767468Snon return(STGIOSZ); 29867468Snon} 299