1 /* $NetBSD: aic_pcmcia.c,v 1.32 2005/02/04 02:10:45 perry Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Marc Horowitz. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Marc Horowitz. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: aic_pcmcia.c,v 1.32 2005/02/04 02:10:45 perry Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/select.h> 38 #include <sys/device.h> 39 40 #include <machine/cpu.h> 41 #include <machine/bus.h> 42 #include <machine/intr.h> 43 44 #include <dev/scsipi/scsipi_all.h> 45 #include <dev/scsipi/scsipiconf.h> 46 #include <dev/scsipi/scsi_all.h> 47 48 #include <dev/ic/aic6360var.h> 49 50 #include <dev/pcmcia/pcmciareg.h> 51 #include <dev/pcmcia/pcmciavar.h> 52 #include <dev/pcmcia/pcmciadevs.h> 53 54 struct aic_pcmcia_softc { 55 struct aic_softc sc_aic; /* real "aic" softc */ 56 57 /* PCMCIA-specific goo. */ 58 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 59 void *sc_ih; /* interrupt handler */ 60 61 int sc_state; 62 #define AIC_PCMCIA_ATTACHED 3 63 }; 64 65 int aic_pcmcia_match(struct device *, struct cfdata *, void *); 66 int aic_pcmcia_validate_config(struct pcmcia_config_entry *); 67 void aic_pcmcia_attach(struct device *, struct device *, void *); 68 int aic_pcmcia_detach(struct device *, int); 69 int aic_pcmcia_enable(struct device *, int); 70 71 CFATTACH_DECL(aic_pcmcia, sizeof(struct aic_pcmcia_softc), 72 aic_pcmcia_match, aic_pcmcia_attach, aic_pcmcia_detach, aic_activate); 73 74 const struct pcmcia_product aic_pcmcia_products[] = { 75 { PCMCIA_VENDOR_ADAPTEC, PCMCIA_PRODUCT_ADAPTEC_APA1460, 76 PCMCIA_CIS_INVALID }, 77 78 { PCMCIA_VENDOR_ADAPTEC, PCMCIA_PRODUCT_ADAPTEC_APA1460A, 79 PCMCIA_CIS_INVALID }, 80 81 { PCMCIA_VENDOR_NEWMEDIA, PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER, 82 PCMCIA_CIS_INVALID }, 83 }; 84 const size_t aic_pcmcia_nproducts = 85 sizeof(aic_pcmcia_products) / sizeof(aic_pcmcia_products[0]); 86 87 int 88 aic_pcmcia_match(parent, match, aux) 89 struct device *parent; 90 struct cfdata *match; 91 void *aux; 92 { 93 struct pcmcia_attach_args *pa = aux; 94 95 if (pcmcia_product_lookup(pa, aic_pcmcia_products, aic_pcmcia_nproducts, 96 sizeof(aic_pcmcia_products[0]), NULL)) 97 return (1); 98 return (0); 99 } 100 101 int 102 aic_pcmcia_validate_config(cfe) 103 struct pcmcia_config_entry *cfe; 104 { 105 if (cfe->iftype != PCMCIA_IFTYPE_IO || 106 cfe->num_memspace != 0 || 107 cfe->num_iospace != 1) 108 return (EINVAL); 109 return (0); 110 } 111 112 void 113 aic_pcmcia_attach(parent, self, aux) 114 struct device *parent, *self; 115 void *aux; 116 { 117 struct aic_pcmcia_softc *psc = (void *)self; 118 struct aic_softc *sc = &psc->sc_aic; 119 struct pcmcia_attach_args *pa = aux; 120 struct pcmcia_config_entry *cfe; 121 struct pcmcia_function *pf = pa->pf; 122 int error; 123 124 psc->sc_pf = pf; 125 126 error = pcmcia_function_configure(pf, aic_pcmcia_validate_config); 127 if (error) { 128 aprint_error("%s: configure failed, error=%d\n", self->dv_xname, 129 error); 130 return; 131 } 132 133 cfe = pf->cfe; 134 sc->sc_iot = cfe->iospace[0].handle.iot; 135 sc->sc_ioh = cfe->iospace[0].handle.ioh; 136 137 error = aic_pcmcia_enable(self, 1); 138 if (error) 139 goto fail; 140 141 if (!aic_find(sc->sc_iot, sc->sc_ioh)) { 142 aprint_error("%s: unable to detect chip!\n", self->dv_xname); 143 goto fail2; 144 } 145 146 /* We can enable and disable the controller. */ 147 sc->sc_adapter.adapt_enable = aic_pcmcia_enable; 148 sc->sc_adapter.adapt_refcnt = 1; 149 150 aicattach(sc); 151 scsipi_adapter_delref(&sc->sc_adapter); 152 psc->sc_state = AIC_PCMCIA_ATTACHED; 153 return; 154 155 fail2: 156 aic_pcmcia_enable(self, 0); 157 fail: 158 pcmcia_function_unconfigure(pf); 159 } 160 161 int 162 aic_pcmcia_detach(self, flags) 163 struct device *self; 164 int flags; 165 { 166 struct aic_pcmcia_softc *sc = (void *)self; 167 int error; 168 169 if (sc->sc_state != AIC_PCMCIA_ATTACHED) 170 return (0); 171 172 error = aic_detach(self, flags); 173 if (error) 174 return (error); 175 176 pcmcia_function_unconfigure(sc->sc_pf); 177 178 return (0); 179 } 180 181 int 182 aic_pcmcia_enable(self, onoff) 183 struct device *self; 184 int onoff; 185 { 186 struct aic_pcmcia_softc *sc = (void *)self; 187 int error; 188 189 if (onoff) { 190 /* Establish the interrupt handler. */ 191 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, 192 aicintr, &sc->sc_aic); 193 if (!sc->sc_ih) 194 return (EIO); 195 196 error = pcmcia_function_enable(sc->sc_pf); 197 if (error) { 198 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 199 sc->sc_ih = 0; 200 return (error); 201 } 202 203 /* Initialize only chip. */ 204 aic_init(&sc->sc_aic, 0); 205 } else { 206 pcmcia_function_disable(sc->sc_pf); 207 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 208 sc->sc_ih = 0; 209 } 210 211 return (0); 212 } 213