| 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 | |