1/* $NecBSD: nsp_pisa.c,v 1.4 1999/04/15 01:35:54 kmatsuda Exp $ */ 2/* $NetBSD$ */ 3 4/*- 5 * [Ported for FreeBSD] 6 * Copyright (c) 2000 7 * Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe. 8 * All rights reserved. 9 * [NetBSD for NEC PC-98 series] 10 * Copyright (c) 1998 11 * NetBSD/pc98 porting staff. All rights reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. The name of the author may not be used to endorse or promote products 22 * derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 27 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 28 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 32 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 33 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37#include <sys/cdefs.h> 38__FBSDID("$FreeBSD$"); 39 40#include <sys/param.h> 41#include <sys/bus.h> 42#include <sys/errno.h> 43#include <sys/kernel.h> 44#include <sys/malloc.h> 45#include <sys/module.h> 46#include <sys/systm.h> 47 48#include <machine/bus.h> 49#include <machine/resource.h> 50#include <sys/rman.h> 51 52#include <sys/bus.h> 53 54#include <dev/pccard/pccardvar.h> 55 56#include <cam/scsi/scsi_low.h> 57 58#include <dev/nsp/nspreg.h> 59#include <dev/nsp/nspvar.h> 60 61#define NSP_HOSTID 7 62 63#include "pccarddevs.h" 64 65#define PIO_MODE 0x100 /* pd_flags */ 66 67static int nspprobe(device_t devi); 68static int nspattach(device_t devi); 69 70static void nsp_card_unload (device_t); 71 72const struct pccard_product nsp_products[] = { 73 PCMCIA_CARD(IODATA3, CBSC16), 74 PCMCIA_CARD(PANASONIC, KME), 75 PCMCIA_CARD(WORKBIT2, NINJA_SCSI3), 76 PCMCIA_CARD(WORKBIT, ULTRA_NINJA_16), 77 { NULL } 78}; 79 80/* 81 * Additional code for FreeBSD new-bus PC Card frontend 82 */ 83 84static void 85nsp_pccard_intr(void * arg) 86{ 87 nspintr(arg); 88} 89 90static void 91nsp_release_resource(device_t dev) 92{ 93 struct nsp_softc *sc = device_get_softc(dev); 94 95 if (sc->nsp_intrhand) 96 bus_teardown_intr(dev, sc->irq_res, sc->nsp_intrhand); 97 if (sc->port_res) 98 bus_release_resource(dev, SYS_RES_IOPORT, 99 sc->port_rid, sc->port_res); 100 if (sc->irq_res) 101 bus_release_resource(dev, SYS_RES_IRQ, 102 sc->irq_rid, sc->irq_res); 103 if (sc->mem_res) 104 bus_release_resource(dev, SYS_RES_MEMORY, 105 sc->mem_rid, sc->mem_res); 106} 107 108static int 109nsp_alloc_resource(device_t dev) 110{ 111 struct nsp_softc *sc = device_get_softc(dev); 112 u_long ioaddr, iosize, maddr, msize; 113 int error; 114 115 error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize); 116 if (error || iosize < NSP_IOSIZE) 117 return(ENOMEM); 118 119 sc->port_rid = 0; 120 sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid, 121 0, ~0, NSP_IOSIZE, RF_ACTIVE); 122 if (sc->port_res == NULL) { 123 nsp_release_resource(dev); 124 return(ENOMEM); 125 } 126 127 sc->irq_rid = 0; 128 sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 129 RF_ACTIVE); 130 if (sc->irq_res == NULL) { 131 nsp_release_resource(dev); 132 return(ENOMEM); 133 } 134 135 error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize); 136 if (error) 137 return(0); /* XXX */ 138 139 /* No need to allocate memory if not configured and it's in PIO mode */ 140 if (maddr == 0 || msize == 0) { 141 if ((device_get_flags(dev) & PIO_MODE) == 0) { 142 printf("Memory window was not configured. Configure or use in PIO mode."); 143 nsp_release_resource(dev); 144 return(ENOMEM); 145 } 146 /* no need to allocate memory if PIO mode */ 147 return(0); 148 } 149 150 sc->mem_rid = 0; 151 sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid, 152 RF_ACTIVE); 153 if (sc->mem_res == NULL) { 154 nsp_release_resource(dev); 155 return(ENOMEM); 156 } 157 158 return(0); 159} 160 161static int 162nsp_pccard_probe(device_t dev) 163{ 164 const struct pccard_product *pp; 165 166 if ((pp = pccard_product_lookup(dev, nsp_products, 167 sizeof(nsp_products[0]), NULL)) != NULL) { 168 if (pp->pp_name) 169 device_set_desc(dev, pp->pp_name); 170 return(0); 171 } 172 return(EIO); 173} 174 175static int 176nsp_pccard_attach(device_t dev) 177{ 178 struct nsp_softc *sc = device_get_softc(dev); 179 int error; 180 181 error = nsp_alloc_resource(dev); 182 if (error) 183 return(error); 184 if (nspprobe(dev) == 0) { 185 nsp_release_resource(dev); 186 return(ENXIO); 187 } 188 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY, 189 NULL, nsp_pccard_intr, (void *)sc, &sc->nsp_intrhand); 190 if (error) { 191 nsp_release_resource(dev); 192 return(error); 193 } 194 if (nspattach(dev) == 0) { 195 nsp_release_resource(dev); 196 return(ENXIO); 197 } 198 199 return(0); 200} 201 202static int 203nsp_pccard_detach(device_t dev) 204{ 205 nsp_card_unload(dev); 206 nsp_release_resource(dev); 207 208 return (0); 209} 210 211static device_method_t nsp_pccard_methods[] = { 212 /* Device interface */ 213 DEVMETHOD(device_probe, nsp_pccard_probe), 214 DEVMETHOD(device_attach, nsp_pccard_attach), 215 DEVMETHOD(device_detach, nsp_pccard_detach), 216 { 0, 0 } 217}; 218 219static driver_t nsp_pccard_driver = { 220 "nsp", 221 nsp_pccard_methods, 222 sizeof(struct nsp_softc), 223}; 224 225static devclass_t nsp_devclass; 226 227MODULE_DEPEND(nsp, scsi_low, 1, 1, 1); 228DRIVER_MODULE(nsp, pccard, nsp_pccard_driver, nsp_devclass, 0, 0); 229 230static void 231nsp_card_unload(device_t devi) 232{ 233 struct nsp_softc *sc = device_get_softc(devi); 234 intrmask_t s; 235 236 s = splcam(); 237 scsi_low_deactivate((struct scsi_low_softc *)sc); 238 scsi_low_dettach(&sc->sc_sclow); 239 splx(s); 240} 241 242static int 243nspprobe(device_t devi) 244{ 245 int rv; 246 struct nsp_softc *sc = device_get_softc(devi); 247 248 rv = nspprobesubr(rman_get_bustag(sc->port_res), 249 rman_get_bushandle(sc->port_res), 250 device_get_flags(devi)); 251 252 return rv; 253} 254 255static int 256nspattach(device_t devi) 257{ 258 struct nsp_softc *sc; 259 struct scsi_low_softc *slp; 260 u_int32_t flags = device_get_flags(devi); 261 u_int iobase = bus_get_resource_start(devi, SYS_RES_IOPORT, 0); 262 intrmask_t s; 263 char dvname[16]; 264 265 strcpy(dvname,"nsp"); 266 267 if (iobase == 0) { 268 printf("%s: no ioaddr is given\n", dvname); 269 return (0); 270 } 271 272 sc = device_get_softc(devi); 273 if (sc == NULL) 274 return (0); 275 276 slp = &sc->sc_sclow; 277 slp->sl_dev = devi; 278 sc->sc_iot = rman_get_bustag(sc->port_res); 279 sc->sc_ioh = rman_get_bushandle(sc->port_res); 280 281 if (sc->mem_res == NULL) { 282 printf("WARNING: CANNOT GET Memory RESOURCE going PIO mode"); 283 flags |= PIO_MODE; 284 } 285 286 if ((flags & PIO_MODE) == 0) { 287 sc->sc_memt = rman_get_bustag(sc->mem_res); 288 sc->sc_memh = rman_get_bushandle(sc->mem_res); 289 } else { 290 sc->sc_memh = 0; 291 } 292 /* slp->sl_irq = devi->pd_irq; */ 293 sc->sc_iclkdiv = CLKDIVR_20M; 294 sc->sc_clkdiv = CLKDIVR_40M; 295 296 slp->sl_hostid = NSP_HOSTID; 297 slp->sl_cfgflags = flags; 298 299 s = splcam(); 300 nspattachsubr(sc); 301 splx(s); 302 303 return(NSP_IOSIZE); 304} 305