1 /* $NetBSD: aic_pcmcia.c,v 1.36 2007/10/19 12:01:03 ad 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 1.36 2007/10/19 12:01:03 ad 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 <sys/cpu.h> 41 #include <sys/bus.h> 42 #include <sys/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(struct device *parent, struct cfdata *match, 89 void *aux) 90 { 91 struct pcmcia_attach_args *pa = aux; 92 93 if (pcmcia_product_lookup(pa, aic_pcmcia_products, aic_pcmcia_nproducts, 94 sizeof(aic_pcmcia_products[0]), NULL)) 95 return (1); 96 return (0); 97 } 98 99 int 100 aic_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 } 109 110 void 111 aic_pcmcia_attach(struct device *parent, struct device *self, 112 void *aux) 113 { 114 struct aic_pcmcia_softc *psc = (void *)self; 115 struct aic_softc *sc = &psc->sc_aic; 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 psc->sc_pf = pf; 122 123 error = pcmcia_function_configure(pf, aic_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 sc->sc_iot = cfe->iospace[0].handle.iot; 132 sc->sc_ioh = cfe->iospace[0].handle.ioh; 133 134 error = aic_pcmcia_enable(self, 1); 135 if (error) 136 goto fail; 137 138 if (!aic_find(sc->sc_iot, sc->sc_ioh)) { 139 aprint_error("%s: unable to detect chip!\n", self->dv_xname); 140 goto fail2; 141 } 142 143 /* We can enable and disable the controller. */ 144 sc->sc_adapter.adapt_enable = aic_pcmcia_enable; 145 sc->sc_adapter.adapt_refcnt = 1; 146 147 aicattach(sc); 148 scsipi_adapter_delref(&sc->sc_adapter); 149 psc->sc_state = AIC_PCMCIA_ATTACHED; 150 return; 151 152 fail2: 153 aic_pcmcia_enable(self, 0); 154 fail: 155 pcmcia_function_unconfigure(pf); 156 } 157 158 int 159 aic_pcmcia_detach(self, flags) 160 struct device *self; 161 int flags; 162 { 163 struct aic_pcmcia_softc *sc = (void *)self; 164 int error; 165 166 if (sc->sc_state != AIC_PCMCIA_ATTACHED) 167 return (0); 168 169 error = aic_detach(self, flags); 170 if (error) 171 return (error); 172 173 pcmcia_function_unconfigure(sc->sc_pf); 174 175 return (0); 176 } 177 178 int 179 aic_pcmcia_enable(self, onoff) 180 struct device *self; 181 int onoff; 182 { 183 struct aic_pcmcia_softc *sc = (void *)self; 184 int error; 185 186 if (onoff) { 187 /* Establish the interrupt handler. */ 188 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, 189 aicintr, &sc->sc_aic); 190 if (!sc->sc_ih) 191 return (EIO); 192 193 error = pcmcia_function_enable(sc->sc_pf); 194 if (error) { 195 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 196 sc->sc_ih = 0; 197 return (error); 198 } 199 200 /* Initialize only chip. */ 201 aic_init(&sc->sc_aic, 0); 202 } else { 203 pcmcia_function_disable(sc->sc_pf); 204 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 205 sc->sc_ih = 0; 206 } 207 208 return (0); 209 } 210