tmc18c30_pccard.c revision 67468
1/* $FreeBSD: head/sys/dev/stg/tmc18c30_pccard.c 67468 2000-10-23 12:55:51Z 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 57#include <machine/bus_pio.h> 58#include <i386/isa/isa_device.h> 59 60#include <machine/dvcfg.h> 61 62#if defined(__FreeBSD__) && __FreeBSD_version < 400001 63static struct stg_softc *stg_get_softc(int); 64extern struct stg_softc *stgdata[]; 65#define DEVPORT_ALLOCSOFTCFUNC stg_get_softc 66#define DEVPORT_SOFTCARRAY stgdata 67#endif 68#include <sys/device_port.h> 69 70#include <cam/scsi/scsi_low.h> 71#include <cam/scsi/scsi_low_pisa.h> 72 73#include <dev/stg/tmc18c30reg.h> 74#include <dev/stg/tmc18c30var.h> 75#if defined(__FreeBSD__) && __FreeBSD_version < 400001 76#include "stg.h" 77#endif 78 79#define STG_HOSTID 7 80 81/* pccard support */ 82#include "apm.h" 83#if NAPM > 0 84#include <machine/apm_bios.h> 85#endif 86 87#include "card.h" 88#if NCARD > 0 89#include <sys/kernel.h> 90#include <sys/module.h> 91#include <sys/select.h> 92#include <pccard/cardinfo.h> 93#include <pccard/slot.h> 94 95static int stgprobe(DEVPORT_PDEVICE devi); 96static int stgattach(DEVPORT_PDEVICE devi); 97 98static int stg_card_intr __P((DEVPORT_PDEVICE)); 99static void stg_card_unload __P((DEVPORT_PDEVICE)); 100#if defined(__FreeBSD__) && __FreeBSD_version < 400001 101static int stg_card_init __P((DEVPORT_PDEVICE)); 102#endif 103 104#if defined(__FreeBSD__) && __FreeBSD_version >= 400001 105/* 106 * Additional code for FreeBSD new-bus PCCard frontend 107 */ 108 109static void 110stg_pccard_intr(void * arg) 111{ 112 stgintr(arg); 113} 114 115static void 116stg_release_resource(DEVPORT_PDEVICE dev) 117{ 118 struct stg_softc *sc = device_get_softc(dev); 119 120 if (sc->stg_intrhand) { 121 bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand); 122 } 123 124 if (sc->port_res) { 125 bus_release_resource(dev, SYS_RES_IOPORT, 126 sc->port_rid, sc->port_res); 127 } 128 129 if (sc->irq_res) { 130 bus_release_resource(dev, SYS_RES_IRQ, 131 sc->irq_rid, sc->irq_res); 132 } 133 134 if (sc->mem_res) { 135 bus_release_resource(dev, SYS_RES_MEMORY, 136 sc->mem_rid, sc->mem_res); 137 } 138} 139 140static int 141stg_alloc_resource(DEVPORT_PDEVICE dev) 142{ 143 struct stg_softc *sc = device_get_softc(dev); 144 u_long maddr, msize; 145 int error; 146 147 sc->port_rid = 0; 148 sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid, 149 0, ~0, STGIOSZ, RF_ACTIVE); 150 if (sc->port_res == NULL) { 151 stg_release_resource(dev); 152 return(ENOMEM); 153 } 154 155 sc->irq_rid = 0; 156 sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid, 157 0, ~0, 1, RF_ACTIVE); 158 if (sc->irq_res == NULL) { 159 stg_release_resource(dev); 160 return(ENOMEM); 161 } 162 163 error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize); 164 if (error) { 165 return(0); /* XXX */ 166 } 167 168 /* no need to allocate memory if not configured */ 169 if (maddr == 0 || msize == 0) { 170 return(0); 171 } 172 173 sc->mem_rid = 0; 174 sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid, 175 0, ~0, msize, RF_ACTIVE); 176 if (sc->mem_res == NULL) { 177 stg_release_resource(dev); 178 return(ENOMEM); 179 } 180 181 return(0); 182} 183 184static int 185stg_pccard_probe(DEVPORT_PDEVICE dev) 186{ 187 struct stg_softc *sc = device_get_softc(dev); 188 int error; 189 190 bzero(sc, sizeof(struct stg_softc)); 191 192 error = stg_alloc_resource(dev); 193 if (error) { 194 return(error); 195 } 196 197 if (stgprobe(dev) == 0) { 198 stg_release_resource(dev); 199 return(ENXIO); 200 } 201 202 stg_release_resource(dev); 203 204 return(0); 205} 206 207static int 208stg_pccard_attach(DEVPORT_PDEVICE dev) 209{ 210 struct stg_softc *sc = device_get_softc(dev); 211 int error; 212 213 error = stg_alloc_resource(dev); 214 if (error) { 215 return(error); 216 } 217 218 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM, 219 stg_pccard_intr, (void *)sc, &sc->stg_intrhand); 220 if (error) { 221 stg_release_resource(dev); 222 return(error); 223 } 224 225 if (stgattach(dev) == 0) { 226 stg_release_resource(dev); 227 return(ENXIO); 228 } 229 230 return(0); 231} 232 233static void 234stg_pccard_detach(DEVPORT_PDEVICE dev) 235{ 236 stg_card_unload(dev); 237 stg_release_resource(dev); 238} 239 240static device_method_t stg_pccard_methods[] = { 241 /* Device interface */ 242 DEVMETHOD(device_probe, stg_pccard_probe), 243 DEVMETHOD(device_attach, stg_pccard_attach), 244 DEVMETHOD(device_detach, stg_pccard_detach), 245 246 { 0, 0 } 247}; 248 249static driver_t stg_pccard_driver = { 250 "stg", 251 stg_pccard_methods, 252 sizeof(struct stg_softc), 253}; 254 255static devclass_t stg_devclass; 256 257DRIVER_MODULE(stg, pccard, stg_pccard_driver, stg_devclass, 0, 0); 258 259#else 260 261PCCARD_MODULE(stg, stg_card_init,stg_card_unload, stg_card_intr, 0, cam_imask); 262 263#endif 264 265#if defined(__FreeBSD__) && __FreeBSD_version < 400001 266static struct stg_softc * 267stg_get_softc(int unit) 268{ 269 struct stg_softc *sc; 270 271 if (unit >= NSTG) { 272 return(NULL); 273 } 274 275 if (stgdata[unit] == NULL) { 276 sc = malloc(sizeof(struct stg_softc), M_TEMP,M_NOWAIT); 277 if (sc == NULL) { 278 printf("stg_get_softc: cannot malloc!\n"); 279 return(NULL); 280 } 281 stgdata[unit] = sc; 282 } else { 283 sc = stgdata[unit]; 284 } 285 286 return(sc); 287} 288 289static int 290stg_card_init(DEVPORT_PDEVICE devi) 291{ 292 int unit = DEVPORT_PDEVUNIT(devi); 293 294 if (NSTG <= unit) 295 return (ENODEV); 296 297 printf("probe stg\n"); 298 if (stgprobe(devi) == 0) 299 return (ENXIO); 300 301 printf("attach stg\n"); 302 if (stgattach(devi) == 0) 303 return (ENXIO); 304 305 return (0); 306} 307#endif 308 309static void 310stg_card_unload(DEVPORT_PDEVICE devi) 311{ 312 struct stg_softc *sc = DEVPORT_PDEVGET_SOFTC(devi); 313 314 printf("%s: unload\n",sc->sc_sclow.sl_xname); 315 scsi_low_deactivate((struct scsi_low_softc *)sc); 316 scsi_low_dettach(&sc->sc_sclow); 317} 318 319static int 320stg_card_intr(DEVPORT_PDEVICE devi) 321{ 322 stgintr(DEVPORT_PDEVGET_SOFTC(devi)); 323 return 1; 324} 325 326static int 327stgprobe(DEVPORT_PDEVICE devi) 328{ 329 int rv; 330#if defined(__FreeBSD__) && __FreeBSD_version >= 400001 331 struct stg_softc *sc = device_get_softc(devi); 332 333 rv = stgprobesubr(rman_get_bustag(sc->port_res), 334 rman_get_bushandle(sc->port_res), 335 DEVPORT_PDEVFLAGS(devi)); 336#else 337 rv = stgprobesubr(I386_BUS_SPACE_IO, 338 DEVPORT_PDEVIOBASE(devi), DEVPORT_PDEVFLAGS(devi)); 339#endif 340 341 return rv; 342} 343 344static int 345stgattach(DEVPORT_PDEVICE devi) 346{ 347 int unit = DEVPORT_PDEVUNIT(devi); 348 struct stg_softc *sc; 349 struct scsi_low_softc *slp; 350 u_int32_t flags = DEVPORT_PDEVFLAGS(devi); 351 u_int iobase = DEVPORT_PDEVIOBASE(devi); 352 353 char dvname[16]; 354 355 strcpy(dvname,"stg"); 356 357#if defined(__FreeBSD__) && __FreeBSD_version < 400001 358 if (unit >= NSTG) 359 { 360 printf("%s: unit number too high\n",dvname); 361 return (0); 362 } 363#endif 364 365 if (iobase == 0) 366 { 367 printf("%s: no ioaddr is given\n", dvname); 368 return (0); 369 } 370 371 sc = DEVPORT_PDEVALLOC_SOFTC(devi); 372 if (sc == NULL) { 373 return(0); 374 } 375 376 slp = &sc->sc_sclow; 377#if defined(__FreeBSD__) && __FreeBSD_version >= 400001 378 slp->sl_dev = devi; 379 sc->sc_iot = rman_get_bustag(sc->port_res); 380 sc->sc_ioh = rman_get_bushandle(sc->port_res); 381#else 382 bzero(sc, sizeof(struct stg_softc)); 383 strcpy(slp->sl_dev.dv_xname, dvname); 384 slp->sl_dev.dv_unit = unit; 385 sc->sc_iot = I386_BUS_SPACE_IO; 386 sc->sc_ioh = iobase; 387#endif 388 389 slp->sl_hostid = STG_HOSTID; 390 slp->sl_cfgflags = flags; 391 392 stgattachsubr(sc); 393 394 sc->sc_ih = stgintr; 395 396 printf("stg%d",DEVPORT_PDEVUNIT(devi)); 397 return(STGIOSZ); 398} 399#endif /* NCARD>0 */ 400