spc_pcmcia.c revision 1.17
1/* $NetBSD: spc_pcmcia.c,v 1.17 2006/11/16 01:33:20 christos Exp $ */ 2 3/*- 4 * Copyright (c) 2000, 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39#include <sys/cdefs.h> 40__KERNEL_RCSID(0, "$NetBSD: spc_pcmcia.c,v 1.17 2006/11/16 01:33:20 christos Exp $"); 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/device.h> 45#include <sys/buf.h> 46 47#include <machine/bus.h> 48#include <machine/intr.h> 49 50#include <dev/scsipi/scsi_all.h> 51#include <dev/scsipi/scsipi_all.h> 52#include <dev/scsipi/scsiconf.h> 53 54#include <dev/pcmcia/pcmciareg.h> 55#include <dev/pcmcia/pcmciavar.h> 56#include <dev/pcmcia/pcmciadevs.h> 57 58#include <dev/ic/mb89352var.h> 59 60struct spc_pcmcia_softc { 61 struct spc_softc sc_spc; /* glue to MI code */ 62 63 /* PCMCIA-specific goo. */ 64 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 65 void *sc_ih; /* interrupt handler */ 66 67 int sc_state; 68#define SPC_PCMCIA_ATTACHED 3 69}; 70 71int spc_pcmcia_match(struct device *, struct cfdata *, void *); 72int spc_pcmcia_validate_config(struct pcmcia_config_entry *); 73void spc_pcmcia_attach(struct device *, struct device *, void *); 74int spc_pcmcia_detach(struct device *, int); 75int spc_pcmcia_enable(struct device *, int); 76 77CFATTACH_DECL(spc_pcmcia, sizeof(struct spc_pcmcia_softc), 78 spc_pcmcia_match, spc_pcmcia_attach, spc_pcmcia_detach, spc_activate); 79 80const struct pcmcia_product spc_pcmcia_products[] = { 81 { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_SCSI600, 82 PCMCIA_CIS_FUJITSU_SCSI600 }, 83}; 84const size_t spc_pcmcia_nproducts = 85 sizeof(spc_pcmcia_products) / sizeof(spc_pcmcia_products[0]); 86 87int 88spc_pcmcia_match(struct device *parent, struct cfdata *match, 89 void *aux) 90{ 91 struct pcmcia_attach_args *pa = aux; 92 93 if (pcmcia_product_lookup(pa, spc_pcmcia_products, spc_pcmcia_nproducts, 94 sizeof(spc_pcmcia_products[0]), NULL)) 95 return (1); 96 return (0); 97} 98 99int 100spc_pcmcia_validate_config(cfe) 101 struct pcmcia_config_entry *cfe; 102{ 103 if (cfe->iftype != PCMCIA_IFTYPE_IO || 104 cfe->num_memspace != 0 || 105 cfe->num_iospace != 1) 106 return (EINVAL); 107 return (0); 108} 109 110void 111spc_pcmcia_attach(struct device *parent, struct device *self, 112 void *aux) 113{ 114 struct spc_pcmcia_softc *sc = (void *)self; 115 struct spc_softc *spc = (void *)self; 116 struct pcmcia_attach_args *pa = aux; 117 struct pcmcia_config_entry *cfe; 118 struct pcmcia_function *pf = pa->pf; 119 int error; 120 121 sc->sc_pf = pf; 122 123 error = pcmcia_function_configure(pf, spc_pcmcia_validate_config); 124 if (error) { 125 aprint_error("%s: configure failed, error=%d\n", self->dv_xname, 126 error); 127 return; 128 } 129 130 cfe = pf->cfe; 131 spc->sc_iot = cfe->iospace[0].handle.iot; 132 spc->sc_ioh = cfe->iospace[0].handle.ioh; 133 134 error = spc_pcmcia_enable(self, 1); 135 if (error) 136 goto fail; 137 138 spc->sc_initiator = 7; /* XXX */ 139 spc->sc_adapter.adapt_enable = spc_pcmcia_enable; 140 spc->sc_adapter.adapt_refcnt = 1; 141 142 /* 143 * Initialize nca board itself. 144 */ 145 spc_attach(spc); 146 scsipi_adapter_delref(&spc->sc_adapter); 147 sc->sc_state = SPC_PCMCIA_ATTACHED; 148 return; 149 150fail: 151 pcmcia_function_unconfigure(pf); 152} 153 154int 155spc_pcmcia_detach(self, flags) 156 struct device *self; 157 int flags; 158{ 159 struct spc_pcmcia_softc *sc = (void *)self; 160 int error; 161 162 if (sc->sc_state != SPC_PCMCIA_ATTACHED) 163 return (0); 164 165 error = spc_detach(self, flags); 166 if (error) 167 return (error); 168 169 pcmcia_function_unconfigure(sc->sc_pf); 170 171 return (0); 172} 173 174int 175spc_pcmcia_enable(arg, onoff) 176 struct device *arg; 177 int onoff; 178{ 179 struct spc_pcmcia_softc *sc = (void *)arg; 180 int error; 181 182 if (onoff) { 183 /* Establish the interrupt handler. */ 184 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, 185 spc_intr, &sc->sc_spc); 186 if (!sc->sc_ih) 187 return (EIO); 188 189 error = pcmcia_function_enable(sc->sc_pf); 190 if (error) { 191 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 192 sc->sc_ih = 0; 193 return (error); 194 } 195 196 /* Initialize only chip. */ 197 spc_init(&sc->sc_spc, 0); 198 } else { 199 pcmcia_function_disable(sc->sc_pf); 200 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 201 sc->sc_ih = 0; 202 } 203 204 return (0); 205} 206