tmc18c30_pccard.c revision 103693
1/* $FreeBSD: head/sys/dev/stg/tmc18c30_pccard.c 103693 2002-09-20 16:53:19Z phk $ */ 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/malloc.h> 45#include <sys/errno.h> 46 47#include <machine/bus.h> 48#include <machine/bus_pio.h> 49#include <machine/dvcfg.h> 50 51#include <sys/device_port.h> 52 53#include <cam/scsi/scsi_low.h> 54#include <cam/scsi/scsi_low_pisa.h> 55 56#include <dev/stg/tmc18c30reg.h> 57#include <dev/stg/tmc18c30var.h> 58 59#define STG_HOSTID 7 60 61#include <sys/kernel.h> 62#include <sys/module.h> 63#if !defined(__FreeBSD__) || __FreeBSD_version < 500014 64#include <sys/select.h> 65#endif 66#include <pccard/cardinfo.h> 67#include <pccard/slot.h> 68 69static int stgprobe(DEVPORT_PDEVICE devi); 70static int stgattach(DEVPORT_PDEVICE devi); 71 72static void stg_card_unload (DEVPORT_PDEVICE); 73 74/* 75 * Additional code for FreeBSD new-bus PCCard frontend 76 */ 77 78static void 79stg_pccard_intr(void * arg) 80{ 81 stgintr(arg); 82} 83 84static void 85stg_release_resource(DEVPORT_PDEVICE dev) 86{ 87 struct stg_softc *sc = device_get_softc(dev); 88 89 if (sc->stg_intrhand) { 90 bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand); 91 } 92 93 if (sc->port_res) { 94 bus_release_resource(dev, SYS_RES_IOPORT, 95 sc->port_rid, sc->port_res); 96 } 97 98 if (sc->irq_res) { 99 bus_release_resource(dev, SYS_RES_IRQ, 100 sc->irq_rid, sc->irq_res); 101 } 102 103 if (sc->mem_res) { 104 bus_release_resource(dev, SYS_RES_MEMORY, 105 sc->mem_rid, sc->mem_res); 106 } 107} 108 109static int 110stg_alloc_resource(DEVPORT_PDEVICE dev) 111{ 112 struct stg_softc *sc = device_get_softc(dev); 113 u_long ioaddr, iosize, maddr, msize; 114 int error; 115 116 error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize); 117 if (error || iosize < STGIOSZ) { 118 return(ENOMEM); 119 } 120 121 sc->port_rid = 0; 122 sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid, 123 0, ~0, STGIOSZ, RF_ACTIVE); 124 if (sc->port_res == NULL) { 125 stg_release_resource(dev); 126 return(ENOMEM); 127 } 128 129 sc->irq_rid = 0; 130 sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid, 131 0, ~0, 1, RF_ACTIVE); 132 if (sc->irq_res == NULL) { 133 stg_release_resource(dev); 134 return(ENOMEM); 135 } 136 137 error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize); 138 if (error) { 139 return(0); /* XXX */ 140 } 141 142 /* no need to allocate memory if not configured */ 143 if (maddr == 0 || msize == 0) { 144 return(0); 145 } 146 147 sc->mem_rid = 0; 148 sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid, 149 0, ~0, 1, RF_ACTIVE); 150 if (sc->mem_res == NULL) { 151 stg_release_resource(dev); 152 return(ENOMEM); 153 } 154 155 return(0); 156} 157 158static int 159stg_pccard_probe(DEVPORT_PDEVICE dev) 160{ 161 struct stg_softc *sc = device_get_softc(dev); 162 int error; 163 164 bzero(sc, sizeof(struct stg_softc)); 165 166 error = stg_alloc_resource(dev); 167 if (error) { 168 return(error); 169 } 170 171 if (stgprobe(dev) == 0) { 172 stg_release_resource(dev); 173 return(ENXIO); 174 } 175 176 stg_release_resource(dev); 177 178 return(0); 179} 180 181static int 182stg_pccard_attach(DEVPORT_PDEVICE dev) 183{ 184 struct stg_softc *sc = device_get_softc(dev); 185 int error; 186 187 error = stg_alloc_resource(dev); 188 if (error) { 189 return(error); 190 } 191 192 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY, 193 stg_pccard_intr, (void *)sc, &sc->stg_intrhand); 194 if (error) { 195 stg_release_resource(dev); 196 return(error); 197 } 198 199 if (stgattach(dev) == 0) { 200 stg_release_resource(dev); 201 return(ENXIO); 202 } 203 204 return(0); 205} 206 207static void 208stg_pccard_detach(DEVPORT_PDEVICE dev) 209{ 210 stg_card_unload(dev); 211 stg_release_resource(dev); 212} 213 214static device_method_t stg_pccard_methods[] = { 215 /* Device interface */ 216 DEVMETHOD(device_probe, stg_pccard_probe), 217 DEVMETHOD(device_attach, stg_pccard_attach), 218 DEVMETHOD(device_detach, stg_pccard_detach), 219 220 { 0, 0 } 221}; 222 223static driver_t stg_pccard_driver = { 224 "stg", 225 stg_pccard_methods, 226 sizeof(struct stg_softc), 227}; 228 229static devclass_t stg_devclass; 230 231MODULE_DEPEND(stg, scsi_low, 1, 1, 1); 232DRIVER_MODULE(stg, pccard, stg_pccard_driver, stg_devclass, 0, 0); 233 234static void 235stg_card_unload(DEVPORT_PDEVICE devi) 236{ 237 struct stg_softc *sc = DEVPORT_PDEVGET_SOFTC(devi); 238 intrmask_t s; 239 240 printf("%s: unload\n",sc->sc_sclow.sl_xname); 241 s = splcam(); 242 scsi_low_deactivate((struct scsi_low_softc *)sc); 243 scsi_low_dettach(&sc->sc_sclow); 244 splx(s); 245} 246 247static int 248stgprobe(DEVPORT_PDEVICE devi) 249{ 250 int rv; 251 struct stg_softc *sc = device_get_softc(devi); 252 253 rv = stgprobesubr(rman_get_bustag(sc->port_res), 254 rman_get_bushandle(sc->port_res), 255 DEVPORT_PDEVFLAGS(devi)); 256 257 return rv; 258} 259 260static int 261stgattach(DEVPORT_PDEVICE devi) 262{ 263 struct stg_softc *sc; 264 struct scsi_low_softc *slp; 265 u_int32_t flags = DEVPORT_PDEVFLAGS(devi); 266 u_int iobase = DEVPORT_PDEVIOBASE(devi); 267 intrmask_t s; 268 char dvname[16]; 269 270 strcpy(dvname,"stg"); 271 272 if (iobase == 0) 273 { 274 printf("%s: no ioaddr is given\n", dvname); 275 return (0); 276 } 277 278 sc = DEVPORT_PDEVALLOC_SOFTC(devi); 279 if (sc == NULL) { 280 return(0); 281 } 282 283 slp = &sc->sc_sclow; 284 slp->sl_dev = devi; 285 sc->sc_iot = rman_get_bustag(sc->port_res); 286 sc->sc_ioh = rman_get_bushandle(sc->port_res); 287 288 slp->sl_hostid = STG_HOSTID; 289 slp->sl_cfgflags = flags; 290 291 s = splcam(); 292 stgattachsubr(sc); 293 splx(s); 294 295 return(STGIOSZ); 296} 297