spc_pcmcia.c revision 1.19
1/* $NetBSD: spc_pcmcia.c,v 1.19 2008/03/31 15:20:47 tsutsui 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 1.19 2008/03/31 15:20:47 tsutsui 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 <sys/bus.h> 48#include <sys/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 71static int spc_pcmcia_match(device_t, cfdata_t, void *); 72static int spc_pcmcia_validate_config(struct pcmcia_config_entry *); 73static void spc_pcmcia_attach(device_t, device_t, void *); 74static int spc_pcmcia_detach(device_t, int); 75static int spc_pcmcia_enable(device_t, int); 76 77CFATTACH_DECL_NEW(spc_pcmcia, sizeof(struct spc_pcmcia_softc), 78 spc_pcmcia_match, spc_pcmcia_attach, spc_pcmcia_detach, spc_activate); 79 80static const struct pcmcia_product spc_pcmcia_products[] = { 81 { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_SCSI600, 82 PCMCIA_CIS_FUJITSU_SCSI600 }, 83}; 84static const size_t spc_pcmcia_nproducts = __arraycount(spc_pcmcia_products); 85 86int 87spc_pcmcia_match(device_t parent, cfdata_t cf, void *aux) 88{ 89 struct pcmcia_attach_args *pa = aux; 90 91 if (pcmcia_product_lookup(pa, spc_pcmcia_products, spc_pcmcia_nproducts, 92 sizeof(spc_pcmcia_products[0]), NULL)) 93 return 1; 94 return 0; 95} 96 97int 98spc_pcmcia_validate_config(struct pcmcia_config_entry *cfe) 99{ 100 101 if (cfe->iftype != PCMCIA_IFTYPE_IO || 102 cfe->num_memspace != 0 || 103 cfe->num_iospace != 1) 104 return EINVAL; 105 return 0; 106} 107 108void 109spc_pcmcia_attach(device_t parent, device_t self, void *aux) 110{ 111 struct spc_pcmcia_softc *sc = device_private(self); 112 struct spc_softc *spc = &sc->sc_spc; 113 struct pcmcia_attach_args *pa = aux; 114 struct pcmcia_config_entry *cfe; 115 struct pcmcia_function *pf = pa->pf; 116 int error; 117 118 spc->sc_dev = self; 119 sc->sc_pf = pf; 120 121 error = pcmcia_function_configure(pf, spc_pcmcia_validate_config); 122 if (error) { 123 aprint_error_dev(self, "configure failed, error=%d\n", error); 124 return; 125 } 126 127 cfe = pf->cfe; 128 spc->sc_iot = cfe->iospace[0].handle.iot; 129 spc->sc_ioh = cfe->iospace[0].handle.ioh; 130 131 error = spc_pcmcia_enable(self, 1); 132 if (error) 133 goto fail; 134 135 spc->sc_initiator = 7; /* XXX */ 136 spc->sc_adapter.adapt_enable = spc_pcmcia_enable; 137 spc->sc_adapter.adapt_refcnt = 1; 138 139 /* 140 * Initialize nca board itself. 141 */ 142 spc_attach(spc); 143 scsipi_adapter_delref(&spc->sc_adapter); 144 sc->sc_state = SPC_PCMCIA_ATTACHED; 145 return; 146 147 fail: 148 pcmcia_function_unconfigure(pf); 149} 150 151int 152spc_pcmcia_detach(device_t self, int flags) 153{ 154 struct spc_pcmcia_softc *sc = device_private(self); 155 int error; 156 157 if (sc->sc_state != SPC_PCMCIA_ATTACHED) 158 return 0; 159 160 error = spc_detach(self, flags); 161 if (error) 162 return error; 163 164 pcmcia_function_unconfigure(sc->sc_pf); 165 166 return 0; 167} 168 169int 170spc_pcmcia_enable(device_t self, int onoff) 171{ 172 struct spc_pcmcia_softc *sc = device_private(self); 173 int error; 174 175 if (onoff) { 176 /* Establish the interrupt handler. */ 177 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, 178 spc_intr, &sc->sc_spc); 179 if (!sc->sc_ih) 180 return EIO; 181 182 error = pcmcia_function_enable(sc->sc_pf); 183 if (error) { 184 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 185 sc->sc_ih = 0; 186 return error; 187 } 188 189 /* Initialize only chip. */ 190 spc_init(&sc->sc_spc, 0); 191 } else { 192 pcmcia_function_disable(sc->sc_pf); 193 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 194 sc->sc_ih = 0; 195 } 196 197 return 0; 198} 199