tmc18c30_pccard.c revision 85962
1/* $FreeBSD: head/sys/dev/stg/tmc18c30_pccard.c 85962 2001-11-03 08:55:34Z non $ */ 2/* $NecBSD: tmc18c30_pisa.c,v 1.22 1998/11/26 01:59:21 honda Exp $ */ 3/* $NetBSD$ */ 4 5/* 6 * [Ported for FreeBSD] 7 * Copyright (c) 2000 8 * Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe. 9 * All rights reserved. 10 * [NetBSD for NEC PC-98 series] 11 * Copyright (c) 1996, 1997, 1998 12 * NetBSD/pc98 porting staff. All rights reserved. 13 * Copyright (c) 1996, 1997, 1998 14 * Naofumi HONDA. All rights reserved. 15 * Copyright (c) 1996, 1997, 1998 16 * Kouichi Matsuda. All rights reserved. 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions 20 * are met: 21 * 1. Redistributions of source code must retain the above copyright 22 * notice, this list of conditions and the following disclaimer. 23 * 2. Redistributions in binary form must reproduce the above copyright 24 * notice, this list of conditions and the following disclaimer in the 25 * documentation and/or other materials provided with the distribution. 26 * 3. The name of the author may not be used to endorse or promote products 27 * derived from this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 30 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 31 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 32 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 38 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 39 * POSSIBILITY OF SUCH DAMAGE. 40 */ 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/disklabel.h> 45#if defined(__FreeBSD__) && __FreeBSD_version >= 500001 46#include <sys/bio.h> 47#endif 48#include <sys/buf.h> 49#include <sys/queue.h> 50#include <sys/malloc.h> 51#include <sys/errno.h> 52 53#include <vm/vm.h> 54 55#include <machine/bus.h> 56#include <machine/bus_pio.h> 57#include <machine/dvcfg.h> 58 59#include <sys/device_port.h> 60 61#include <cam/scsi/scsi_low.h> 62#include <cam/scsi/scsi_low_pisa.h> 63 64#include <dev/stg/tmc18c30reg.h> 65#include <dev/stg/tmc18c30var.h> 66 67#define STG_HOSTID 7 68 69#include <sys/kernel.h> 70#include <sys/module.h> 71#if !defined(__FreeBSD__) || __FreeBSD_version < 500014 72#include <sys/select.h> 73#endif 74#include <pccard/cardinfo.h> 75#include <pccard/slot.h> 76 77static int stgprobe(DEVPORT_PDEVICE devi); 78static int stgattach(DEVPORT_PDEVICE devi); 79 80static void stg_card_unload __P((DEVPORT_PDEVICE)); 81 82/* 83 * Additional code for FreeBSD new-bus PCCard frontend 84 */ 85 86static void 87stg_pccard_intr(void * arg) 88{ 89 stgintr(arg); 90} 91 92static void 93stg_release_resource(DEVPORT_PDEVICE dev) 94{ 95 struct stg_softc *sc = device_get_softc(dev); 96 97 if (sc->stg_intrhand) { 98 bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand); 99 } 100 101 if (sc->port_res) { 102 bus_release_resource(dev, SYS_RES_IOPORT, 103 sc->port_rid, sc->port_res); 104 } 105 106 if (sc->irq_res) { 107 bus_release_resource(dev, SYS_RES_IRQ, 108 sc->irq_rid, sc->irq_res); 109 } 110 111 if (sc->mem_res) { 112 bus_release_resource(dev, SYS_RES_MEMORY, 113 sc->mem_rid, sc->mem_res); 114 } 115} 116 117static int 118stg_alloc_resource(DEVPORT_PDEVICE dev) 119{ 120 struct stg_softc *sc = device_get_softc(dev); 121 u_long ioaddr, iosize, maddr, msize; 122 int error; 123 124 error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize); 125 if (error || iosize < STGIOSZ) { 126 return(ENOMEM); 127 } 128 129 sc->port_rid = 0; 130 sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid, 131 0, ~0, STGIOSZ, RF_ACTIVE); 132 if (sc->port_res == NULL) { 133 stg_release_resource(dev); 134 return(ENOMEM); 135 } 136 137 sc->irq_rid = 0; 138 sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid, 139 0, ~0, 1, RF_ACTIVE); 140 if (sc->irq_res == NULL) { 141 stg_release_resource(dev); 142 return(ENOMEM); 143 } 144 145 error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize); 146 if (error) { 147 return(0); /* XXX */ 148 } 149 150 /* no need to allocate memory if not configured */ 151 if (maddr == 0 || msize == 0) { 152 return(0); 153 } 154 155 sc->mem_rid = 0; 156 sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid, 157 0, ~0, 1, RF_ACTIVE); 158 if (sc->mem_res == NULL) { 159 stg_release_resource(dev); 160 return(ENOMEM); 161 } 162 163 return(0); 164} 165 166static int 167stg_pccard_probe(DEVPORT_PDEVICE dev) 168{ 169 struct stg_softc *sc = device_get_softc(dev); 170 int error; 171 172 bzero(sc, sizeof(struct stg_softc)); 173 174 error = stg_alloc_resource(dev); 175 if (error) { 176 return(error); 177 } 178 179 if (stgprobe(dev) == 0) { 180 stg_release_resource(dev); 181 return(ENXIO); 182 } 183 184 stg_release_resource(dev); 185 186 return(0); 187} 188 189static int 190stg_pccard_attach(DEVPORT_PDEVICE dev) 191{ 192 struct stg_softc *sc = device_get_softc(dev); 193 int error; 194 195 error = stg_alloc_resource(dev); 196 if (error) { 197 return(error); 198 } 199 200 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY, 201 stg_pccard_intr, (void *)sc, &sc->stg_intrhand); 202 if (error) { 203 stg_release_resource(dev); 204 return(error); 205 } 206 207 if (stgattach(dev) == 0) { 208 stg_release_resource(dev); 209 return(ENXIO); 210 } 211 212 return(0); 213} 214 215static void 216stg_pccard_detach(DEVPORT_PDEVICE dev) 217{ 218 stg_card_unload(dev); 219 stg_release_resource(dev); 220} 221 222static device_method_t stg_pccard_methods[] = { 223 /* Device interface */ 224 DEVMETHOD(device_probe, stg_pccard_probe), 225 DEVMETHOD(device_attach, stg_pccard_attach), 226 DEVMETHOD(device_detach, stg_pccard_detach), 227 228 { 0, 0 } 229}; 230 231static driver_t stg_pccard_driver = { 232 "stg", 233 stg_pccard_methods, 234 sizeof(struct stg_softc), 235}; 236 237static devclass_t stg_devclass; 238 239DRIVER_MODULE(stg, pccard, stg_pccard_driver, stg_devclass, 0, 0); 240 241static void 242stg_card_unload(DEVPORT_PDEVICE devi) 243{ 244 struct stg_softc *sc = DEVPORT_PDEVGET_SOFTC(devi); 245 intrmask_t s; 246 247 printf("%s: unload\n",sc->sc_sclow.sl_xname); 248 s = splcam(); 249 scsi_low_deactivate((struct scsi_low_softc *)sc); 250 scsi_low_dettach(&sc->sc_sclow); 251 splx(s); 252} 253 254static int 255stgprobe(DEVPORT_PDEVICE devi) 256{ 257 int rv; 258 struct stg_softc *sc = device_get_softc(devi); 259 260 rv = stgprobesubr(rman_get_bustag(sc->port_res), 261 rman_get_bushandle(sc->port_res), 262 DEVPORT_PDEVFLAGS(devi)); 263 264 return rv; 265} 266 267static int 268stgattach(DEVPORT_PDEVICE devi) 269{ 270 struct stg_softc *sc; 271 struct scsi_low_softc *slp; 272 u_int32_t flags = DEVPORT_PDEVFLAGS(devi); 273 u_int iobase = DEVPORT_PDEVIOBASE(devi); 274 intrmask_t s; 275 char dvname[16]; 276 277 strcpy(dvname,"stg"); 278 279 if (iobase == 0) 280 { 281 printf("%s: no ioaddr is given\n", dvname); 282 return (0); 283 } 284 285 sc = DEVPORT_PDEVALLOC_SOFTC(devi); 286 if (sc == NULL) { 287 return(0); 288 } 289 290 slp = &sc->sc_sclow; 291 slp->sl_dev = devi; 292 sc->sc_iot = rman_get_bustag(sc->port_res); 293 sc->sc_ioh = rman_get_bushandle(sc->port_res); 294 295 slp->sl_hostid = STG_HOSTID; 296 slp->sl_cfgflags = flags; 297 298 s = splcam(); 299 stgattachsubr(sc); 300 splx(s); 301 302 return(STGIOSZ); 303} 304