if_cs_pcmcia.c revision 1.14
1 /* $NetBSD: if_cs_pcmcia.c,v 1.14 2006/11/16 01:33:20 christos 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 1.14 2006/11/16 01:33:20 christos 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, 82 void *aux) 83 { 84 struct pcmcia_attach_args *pa = aux; 85 86 if (pa->manufacturer == PCMCIA_VENDOR_IBM && 87 pa->product == PCMCIA_PRODUCT_IBM_ETHERJET) 88 return (1); 89 return (0); 90 } 91 92 static int 93 cs_pcmcia_validate_config(struct pcmcia_config_entry *cfe) 94 { 95 if (cfe->iftype != PCMCIA_IFTYPE_IO || 96 cfe->num_memspace != 0 || 97 cfe->num_iospace != 1 || 98 cfe->iospace[0].length < CS8900_IOSIZE) 99 return (EINVAL); 100 return (0); 101 } 102 103 static void 104 cs_pcmcia_attach(struct device *parent, struct device *self, void *aux) 105 { 106 struct cs_pcmcia_softc *psc = (void *)self; 107 struct cs_softc *sc = (void *)&psc->sc_cs; 108 struct pcmcia_attach_args *pa = aux; 109 struct pcmcia_config_entry *cfe; 110 struct pcmcia_function *pf; 111 int error; 112 113 pf = psc->sc_pf = pa->pf; 114 115 error = pcmcia_function_configure(pa->pf, cs_pcmcia_validate_config); 116 if (error) { 117 aprint_error("%s: configure failed, error=%d\n", self->dv_xname, 118 error); 119 return; 120 } 121 122 cfe = pf->cfe; 123 sc->sc_iot = cfe->iospace[0].handle.iot; 124 sc->sc_ioh = cfe->iospace[0].handle.ioh; 125 sc->sc_irq = -1; 126 #define CS_PCMCIA_HACK_FOR_CARDBUS 127 #ifdef CS_PCMCIA_HACK_FOR_CARDBUS 128 /* 129 * XXX is there a generic way to know if it's a cardbus or not? 130 */ 131 sc->sc_cfgflags |= CFGFLG_CARDBUS_HACK; 132 #endif 133 134 error = cs_pcmcia_enable(sc); 135 if (error) 136 goto fail; 137 138 sc->sc_enable = cs_pcmcia_enable; 139 sc->sc_disable = cs_pcmcia_disable; 140 141 /* chip attach */ 142 error = cs_attach(sc, 0, 0, 0, 0); 143 if (error) 144 goto fail2; 145 146 cs_pcmcia_disable(sc); 147 psc->sc_state = CS_PCMCIA_ATTACHED; 148 return; 149 150 fail2: 151 cs_pcmcia_disable(sc); 152 fail: 153 pcmcia_function_unconfigure(pf); 154 } 155 156 static int 157 cs_pcmcia_detach(struct device *self, int flags) 158 { 159 struct cs_pcmcia_softc *psc = (void *)self; 160 struct cs_softc *sc = &psc->sc_cs; 161 int error; 162 163 if (psc->sc_state != CS_PCMCIA_ATTACHED) 164 return (0); 165 166 error = cs_detach(sc); 167 if (error) 168 return (error); 169 170 pcmcia_function_unconfigure(psc->sc_pf); 171 172 return (0); 173 } 174 175 static int 176 cs_pcmcia_enable(struct cs_softc *sc) 177 { 178 struct cs_pcmcia_softc *psc = (void *)sc; 179 int error; 180 181 sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, cs_intr, sc); 182 if (!sc->sc_ih) 183 return (EIO); 184 185 error = pcmcia_function_enable(psc->sc_pf); 186 if (error) { 187 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 188 sc->sc_ih = 0; 189 } 190 191 return (error); 192 } 193 194 static void 195 cs_pcmcia_disable(struct cs_softc *sc) 196 { 197 struct cs_pcmcia_softc *psc = (void *)sc; 198 199 pcmcia_function_disable(psc->sc_pf); 200 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 201 sc->sc_ih = 0; 202 } 203
Indexes created Thu Oct 02 14:10:14 GMT 2025