1 /* $NetBSD: aic_pcmcia.c,v 1.43 2009/11/12 19:24:06 dyoung 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 1.43 2009/11/12 19:24:06 dyoung 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 static int aic_pcmcia_match(device_t, cfdata_t, void *); 66 static int aic_pcmcia_validate_config(struct pcmcia_config_entry *); 67 static void aic_pcmcia_attach(device_t, device_t, void *); 68 static int aic_pcmcia_detach(device_t, int); 69 static int aic_pcmcia_enable(device_t, int); 70 71 CFATTACH_DECL_NEW(aic_pcmcia, sizeof(struct aic_pcmcia_softc), 72 aic_pcmcia_match, aic_pcmcia_attach, aic_pcmcia_detach, NULL); 73 74 static 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 static const size_t aic_pcmcia_nproducts = __arraycount(aic_pcmcia_products); 85 86 int 87 aic_pcmcia_match(device_t parent, cfdata_t match, void *aux) 88 { 89 struct pcmcia_attach_args *pa = aux; 90 91 if (pcmcia_product_lookup(pa, aic_pcmcia_products, aic_pcmcia_nproducts, 92 sizeof(aic_pcmcia_products[0]), NULL)) 93 return (1); 94 return (0); 95 } 96 97 int 98 aic_pcmcia_validate_config(struct pcmcia_config_entry *cfe) 99 { 100 if (cfe->iftype != PCMCIA_IFTYPE_IO || 101 cfe->num_memspace != 0 || 102 cfe->num_iospace != 1) 103 return (EINVAL); 104 return (0); 105 } 106 107 void 108 aic_pcmcia_attach(device_t parent, device_t self, void *aux) 109 { 110 struct aic_pcmcia_softc *psc = device_private(self); 111 struct aic_softc *sc = &psc->sc_aic; 112 struct pcmcia_attach_args *pa = aux; 113 struct pcmcia_config_entry *cfe; 114 struct pcmcia_function *pf = pa->pf; 115 int error; 116 117 sc->sc_dev = self; 118 psc->sc_pf = pf; 119 120 error = pcmcia_function_configure(pf, aic_pcmcia_validate_config); 121 if (error) { 122 aprint_error_dev(self, "configure failed, error=%d\n", error); 123 return; 124 } 125 126 cfe = pf->cfe; 127 sc->sc_iot = cfe->iospace[0].handle.iot; 128 sc->sc_ioh = cfe->iospace[0].handle.ioh; 129 130 error = aic_pcmcia_enable(self, 1); 131 if (error) 132 goto fail; 133 134 if (!aic_find(sc->sc_iot, sc->sc_ioh)) { 135 aprint_error_dev(self, "unable to detect chip!\n"); 136 goto fail2; 137 } 138 139 /* We can enable and disable the controller. */ 140 sc->sc_adapter.adapt_enable = aic_pcmcia_enable; 141 sc->sc_adapter.adapt_refcnt = 1; 142 143 aicattach(sc); 144 scsipi_adapter_delref(&sc->sc_adapter); 145 psc->sc_state = AIC_PCMCIA_ATTACHED; 146 return; 147 148 fail2: 149 aic_pcmcia_enable(self, 0); 150 fail: 151 pcmcia_function_unconfigure(pf); 152 } 153 154 int 155 aic_pcmcia_detach(device_t self, int flags) 156 { 157 struct aic_pcmcia_softc *psc = device_private(self); 158 int error; 159 160 if (psc->sc_state != AIC_PCMCIA_ATTACHED) 161 return (0); 162 163 error = aic_detach(self, flags); 164 if (error) 165 return (error); 166 167 pcmcia_function_unconfigure(psc->sc_pf); 168 169 return (0); 170 } 171 172 int 173 aic_pcmcia_enable(device_t self, int onoff) 174 { 175 struct aic_pcmcia_softc *psc = device_private(self); 176 struct aic_softc *sc = &psc->sc_aic; 177 int error; 178 179 if (onoff) { 180 /* Establish the interrupt handler. */ 181 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_BIO, 182 aicintr, sc); 183 if (!psc->sc_ih) 184 return (EIO); 185 186 error = pcmcia_function_enable(psc->sc_pf); 187 if (error) { 188 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 189 psc->sc_ih = 0; 190 return (error); 191 } 192 193 /* Initialize only chip. */ 194 aic_init(sc, 0); 195 } else { 196 pcmcia_function_disable(psc->sc_pf); 197 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 198 psc->sc_ih = 0; 199 } 200 201 return (0); 202 } 203