1 /* $NetBSD: spc_pcmcia.c,v 1.20 2008/04/28 20:23:56 martin 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: spc_pcmcia.c,v 1.20 2008/04/28 20:23:56 martin Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 #include <sys/buf.h> 39 40 #include <sys/bus.h> 41 #include <sys/intr.h> 42 43 #include <dev/scsipi/scsi_all.h> 44 #include <dev/scsipi/scsipi_all.h> 45 #include <dev/scsipi/scsiconf.h> 46 47 #include <dev/pcmcia/pcmciareg.h> 48 #include <dev/pcmcia/pcmciavar.h> 49 #include <dev/pcmcia/pcmciadevs.h> 50 51 #include <dev/ic/mb89352var.h> 52 53 struct spc_pcmcia_softc { 54 struct spc_softc sc_spc; /* glue to MI code */ 55 56 /* PCMCIA-specific goo. */ 57 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 58 void *sc_ih; /* interrupt handler */ 59 60 int sc_state; 61 #define SPC_PCMCIA_ATTACHED 3 62 }; 63 64 static int spc_pcmcia_match(device_t, cfdata_t, void *); 65 static int spc_pcmcia_validate_config(struct pcmcia_config_entry *); 66 static void spc_pcmcia_attach(device_t, device_t, void *); 67 static int spc_pcmcia_detach(device_t, int); 68 static int spc_pcmcia_enable(device_t, int); 69 70 CFATTACH_DECL_NEW(spc_pcmcia, sizeof(struct spc_pcmcia_softc), 71 spc_pcmcia_match, spc_pcmcia_attach, spc_pcmcia_detach, spc_activate); 72 73 static const struct pcmcia_product spc_pcmcia_products[] = { 74 { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_SCSI600, 75 PCMCIA_CIS_FUJITSU_SCSI600 }, 76 }; 77 static const size_t spc_pcmcia_nproducts = __arraycount(spc_pcmcia_products); 78 79 int 80 spc_pcmcia_match(device_t parent, cfdata_t cf, void *aux) 81 { 82 struct pcmcia_attach_args *pa = aux; 83 84 if (pcmcia_product_lookup(pa, spc_pcmcia_products, spc_pcmcia_nproducts, 85 sizeof(spc_pcmcia_products[0]), NULL)) 86 return 1; 87 return 0; 88 } 89 90 int 91 spc_pcmcia_validate_config(struct pcmcia_config_entry *cfe) 92 { 93 94 if (cfe->iftype != PCMCIA_IFTYPE_IO || 95 cfe->num_memspace != 0 || 96 cfe->num_iospace != 1) 97 return EINVAL; 98 return 0; 99 } 100 101 void 102 spc_pcmcia_attach(device_t parent, device_t self, void *aux) 103 { 104 struct spc_pcmcia_softc *sc = device_private(self); 105 struct spc_softc *spc = &sc->sc_spc; 106 struct pcmcia_attach_args *pa = aux; 107 struct pcmcia_config_entry *cfe; 108 struct pcmcia_function *pf = pa->pf; 109 int error; 110 111 spc->sc_dev = self; 112 sc->sc_pf = pf; 113 114 error = pcmcia_function_configure(pf, spc_pcmcia_validate_config); 115 if (error) { 116 aprint_error_dev(self, "configure failed, error=%d\n", error); 117 return; 118 } 119 120 cfe = pf->cfe; 121 spc->sc_iot = cfe->iospace[0].handle.iot; 122 spc->sc_ioh = cfe->iospace[0].handle.ioh; 123 124 error = spc_pcmcia_enable(self, 1); 125 if (error) 126 goto fail; 127 128 spc->sc_initiator = 7; /* XXX */ 129 spc->sc_adapter.adapt_enable = spc_pcmcia_enable; 130 spc->sc_adapter.adapt_refcnt = 1; 131 132 /* 133 * Initialize nca board itself. 134 */ 135 spc_attach(spc); 136 scsipi_adapter_delref(&spc->sc_adapter); 137 sc->sc_state = SPC_PCMCIA_ATTACHED; 138 return; 139 140 fail: 141 pcmcia_function_unconfigure(pf); 142 } 143 144 int 145 spc_pcmcia_detach(device_t self, int flags) 146 { 147 struct spc_pcmcia_softc *sc = device_private(self); 148 int error; 149 150 if (sc->sc_state != SPC_PCMCIA_ATTACHED) 151 return 0; 152 153 error = spc_detach(self, flags); 154 if (error) 155 return error; 156 157 pcmcia_function_unconfigure(sc->sc_pf); 158 159 return 0; 160 } 161 162 int 163 spc_pcmcia_enable(device_t self, int onoff) 164 { 165 struct spc_pcmcia_softc *sc = device_private(self); 166 int error; 167 168 if (onoff) { 169 /* Establish the interrupt handler. */ 170 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, 171 spc_intr, &sc->sc_spc); 172 if (!sc->sc_ih) 173 return EIO; 174 175 error = pcmcia_function_enable(sc->sc_pf); 176 if (error) { 177 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 178 sc->sc_ih = 0; 179 return error; 180 } 181 182 /* Initialize only chip. */ 183 spc_init(&sc->sc_spc, 0); 184 } else { 185 pcmcia_function_disable(sc->sc_pf); 186 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 187 sc->sc_ih = 0; 188 } 189 190 return 0; 191 } 192