if_cs_pcmcia.c revision 1.10
1 /* $NetBSD: if_cs_pcmcia.c,v 1.10 2004/08/10 20:47:17 mycroft Exp $ */ 2 3 /*- 4 * Copyright (c)2001 YAMAMOTO Takashi, 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: if_cs_pcmcia.c,v 1.10 2004/08/10 20:47:17 mycroft Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/device.h> 35 #include <sys/socket.h> 36 #include <sys/queue.h> 37 38 #include "rnd.h" 39 #if NRND > 0 40 #include <sys/rnd.h> 41 #endif 42 43 #include <net/if.h> 44 #include <net/if_ether.h> 45 #include <net/if_media.h> 46 47 #include <machine/bus.h> 48 #include <machine/intr.h> 49 50 #include <dev/pcmcia/pcmciareg.h> 51 #include <dev/pcmcia/pcmciavar.h> 52 #include <dev/pcmcia/pcmciadevs.h> 53 54 #include <dev/ic/cs89x0reg.h> 55 #include <dev/ic/cs89x0var.h> 56 57 #define DEVNAME(sc) ((sc)->sc_dev.dv_xname) 58 59 struct cs_pcmcia_softc; 60 61 static int cs_pcmcia_match(struct device *, struct cfdata *, void *); 62 static int cs_pcmcia_validate_config(struct pcmcia_config_entry *); 63 static void cs_pcmcia_attach(struct device *, struct device *, void *); 64 static int cs_pcmcia_detach(struct device *, int); 65 static int cs_pcmcia_enable(struct cs_softc *); 66 static void cs_pcmcia_disable(struct cs_softc *); 67 68 struct cs_pcmcia_softc { 69 struct cs_softc sc_cs; /* real "cs" softc */ 70 71 struct pcmcia_function *sc_pf; 72 73 int sc_state; 74 #define CS_PCMCIA_ATTACHED 3 75 }; 76 77 CFATTACH_DECL(cs_pcmcia, sizeof(struct cs_pcmcia_softc), 78 cs_pcmcia_match, cs_pcmcia_attach, cs_pcmcia_detach, cs_activate); 79 80 static int 81 cs_pcmcia_match(struct device *parent, struct cfdata *match, void *aux) 82 { 83 struct pcmcia_attach_args *pa = aux; 84 85 if (pa->manufacturer == PCMCIA_VENDOR_IBM && 86 pa->product == PCMCIA_PRODUCT_IBM_ETHERJET) 87 return (1); 88 return (0); 89 } 90 91 static int 92 cs_pcmcia_validate_config(struct pcmcia_config_entry *cfe) 93 { 94 if (cfe->iftype != PCMCIA_IFTYPE_IO || 95 cfe->num_memspace != 0 || 96 cfe->num_iospace != 1 || 97 cfe->iospace[0].length < CS8900_IOSIZE) 98 return (EINVAL); 99 return (0); 100 } 101 102 static void 103 cs_pcmcia_attach(struct device *parent, struct device *self, void *aux) 104 { 105 struct cs_pcmcia_softc *psc = (void *)self; 106 struct cs_softc *sc = (void *)&psc->sc_cs; 107 struct pcmcia_attach_args *pa = aux; 108 struct pcmcia_config_entry *cfe; 109 struct pcmcia_function *pf; 110 int error; 111 112 pf = psc->sc_pf = pa->pf; 113 114 error = pcmcia_function_configure(pa->pf, cs_pcmcia_validate_config); 115 if (error) { 116 aprint_error("%s: configure failed, error=%d\n", self->dv_xname, 117 error); 118 return; 119 } 120 121 cfe = pf->cfe; 122 sc->sc_iot = cfe->iospace[0].handle.iot; 123 sc->sc_ioh = cfe->iospace[0].handle.ioh; 124 sc->sc_irq = -1; 125 #define CS_PCMCIA_HACK_FOR_CARDBUS 126 #ifdef CS_PCMCIA_HACK_FOR_CARDBUS 127 /* 128 * XXX is there a generic way to know if it's a cardbus or not? 129 */ 130 sc->sc_cfgflags |= CFGFLG_CARDBUS_HACK; 131 #endif 132 133 error = cs_pcmcia_enable(sc); 134 if (error) 135 goto fail; 136 137 sc->sc_enable = cs_pcmcia_enable; 138 sc->sc_disable = cs_pcmcia_disable; 139 140 /* chip attach */ 141 error = cs_attach(sc, 0, 0, 0, 0); 142 if (error) 143 goto fail2; 144 145 cs_pcmcia_disable(sc); 146 psc->sc_state = CS_PCMCIA_ATTACHED; 147 return; 148 149 fail2: 150 cs_pcmcia_disable(sc); 151 fail: 152 pcmcia_function_unconfigure(pf); 153 } 154 155 static int 156 cs_pcmcia_detach(struct device *self, int flags) 157 { 158 struct cs_pcmcia_softc *psc = (void *)self; 159 struct cs_softc *sc = &psc->sc_cs; 160 int error; 161 162 if (psc->sc_state != CS_PCMCIA_ATTACHED) 163 return (0); 164 165 error = cs_detach(sc); 166 if (error) 167 return (error); 168 169 pcmcia_function_unconfigure(psc->sc_pf); 170 171 return (0); 172 } 173 174 static int 175 cs_pcmcia_enable(struct cs_softc *sc) 176 { 177 struct cs_pcmcia_softc *psc = (void *)sc; 178 int error; 179 180 sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, cs_intr, sc); 181 if (!sc->sc_ih) 182 return (EIO); 183 184 error = pcmcia_function_enable(psc->sc_pf); 185 if (error) { 186 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 187 sc->sc_ih = 0; 188 } 189 190 return (error); 191 } 192 193 static void 194 cs_pcmcia_disable(struct cs_softc *sc) 195 { 196 struct cs_pcmcia_softc *psc = (void *)sc; 197 198 pcmcia_function_disable(psc->sc_pf); 199 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 200 sc->sc_ih = 0; 201 } 202
Indexes created Thu Oct 02 10:09:58 GMT 2025