| 1 | /* $NetBSD: spc_pcmcia.c,v 1.21 2009/11/12 20:14:04 dyoung 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 1.21 2009/11/12 20:14:04 dyoung 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_DECL2_NEW(spc_pcmcia, sizeof(struct spc_pcmcia_softc), |
| 71 | spc_pcmcia_match, spc_pcmcia_attach, spc_pcmcia_detach, NULL, NULL, |
| 72 | spc_childdet); |
| 73 | |
| 74 | static const struct pcmcia_product spc_pcmcia_products[] = { |
| 75 | { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_SCSI600, |
| 76 | PCMCIA_CIS_FUJITSU_SCSI600 }, |
| 77 | }; |
| 78 | static const size_t spc_pcmcia_nproducts = __arraycount(spc_pcmcia_products); |
| 79 | |
| 80 | int |
| 81 | spc_pcmcia_match(device_t parent, cfdata_t cf, void *aux) |
| 82 | { |
| 83 | struct pcmcia_attach_args *pa = aux; |
| 84 | |
| 85 | if (pcmcia_product_lookup(pa, spc_pcmcia_products, spc_pcmcia_nproducts, |
| 86 | sizeof(spc_pcmcia_products[0]), NULL)) |
| 87 | return 1; |
| 88 | return 0; |
| 89 | } |
| 90 | |
| 91 | int |
| 92 | spc_pcmcia_validate_config(struct pcmcia_config_entry *cfe) |
| 93 | { |
| 94 | |
| 95 | if (cfe->iftype != PCMCIA_IFTYPE_IO || |
| 96 | cfe->num_memspace != 0 || |
| 97 | cfe->num_iospace != 1) |
| 98 | return EINVAL; |
| 99 | return 0; |
| 100 | } |
| 101 | |
| 102 | void |
| 103 | spc_pcmcia_attach(device_t parent, device_t self, void *aux) |
| 104 | { |
| 105 | struct spc_pcmcia_softc *sc = device_private(self); |
| 106 | struct spc_softc *spc = &sc->sc_spc; |
| 107 | struct pcmcia_attach_args *pa = aux; |
| 108 | struct pcmcia_config_entry *cfe; |
| 109 | struct pcmcia_function *pf = pa->pf; |
| 110 | int error; |
| 111 | |
| 112 | spc->sc_dev = self; |
| 113 | sc->sc_pf = pf; |
| 114 | |
| 115 | error = pcmcia_function_configure(pf, spc_pcmcia_validate_config); |
| 116 | if (error) { |
| 117 | aprint_error_dev(self, "configure failed, error=%d\n" , error); |
| 118 | return; |
| 119 | } |
| 120 | |
| 121 | cfe = pf->cfe; |
| 122 | spc->sc_iot = cfe->iospace[0].handle.iot; |
| 123 | spc->sc_ioh = cfe->iospace[0].handle.ioh; |
| 124 | |
| 125 | error = spc_pcmcia_enable(self, 1); |
| 126 | if (error) |
| 127 | goto fail; |
| 128 | |
| 129 | spc->sc_initiator = 7; /* XXX */ |
| 130 | spc->sc_adapter.adapt_enable = spc_pcmcia_enable; |
| 131 | spc->sc_adapter.adapt_refcnt = 1; |
| 132 | |
| 133 | /* |
| 134 | * Initialize nca board itself. |
| 135 | */ |
| 136 | spc_attach(spc); |
| 137 | scsipi_adapter_delref(&spc->sc_adapter); |
| 138 | sc->sc_state = SPC_PCMCIA_ATTACHED; |
| 139 | return; |
| 140 | |
| 141 | fail: |
| 142 | pcmcia_function_unconfigure(pf); |
| 143 | } |
| 144 | |
| 145 | int |
| 146 | spc_pcmcia_detach(device_t self, int flags) |
| 147 | { |
| 148 | struct spc_pcmcia_softc *sc = device_private(self); |
| 149 | int error; |
| 150 | |
| 151 | if (sc->sc_state != SPC_PCMCIA_ATTACHED) |
| 152 | return 0; |
| 153 | |
| 154 | error = spc_detach(self, flags); |
| 155 | if (error) |
| 156 | return error; |
| 157 | |
| 158 | pcmcia_function_unconfigure(sc->sc_pf); |
| 159 | |
| 160 | return 0; |
| 161 | } |
| 162 | |
| 163 | int |
| 164 | spc_pcmcia_enable(device_t self, int onoff) |
| 165 | { |
| 166 | struct spc_pcmcia_softc *sc = device_private(self); |
| 167 | int error; |
| 168 | |
| 169 | if (onoff) { |
| 170 | /* Establish the interrupt handler. */ |
| 171 | sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, |
| 172 | spc_intr, &sc->sc_spc); |
| 173 | if (!sc->sc_ih) |
| 174 | return EIO; |
| 175 | |
| 176 | error = pcmcia_function_enable(sc->sc_pf); |
| 177 | if (error) { |
| 178 | pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); |
| 179 | sc->sc_ih = 0; |
| 180 | return error; |
| 181 | } |
| 182 | |
| 183 | /* Initialize only chip. */ |
| 184 | spc_init(&sc->sc_spc, 0); |
| 185 | } else { |
| 186 | pcmcia_function_disable(sc->sc_pf); |
| 187 | pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); |
| 188 | sc->sc_ih = 0; |
| 189 | } |
| 190 | |
| 191 | return 0; |
| 192 | } |
| 193 | |