if_cs_pcmcia.c revision 1.20
1 /* $NetBSD: if_cs_pcmcia.c,v 1.20 2012/10/27 17:18:36 chs 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 1.20 2012/10/27 17:18:36 chs 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 <sys/rnd.h> 39 40 #include <net/if.h> 41 #include <net/if_ether.h> 42 #include <net/if_media.h> 43 44 #include <sys/bus.h> 45 #include <sys/intr.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/cs89x0reg.h> 52 #include <dev/ic/cs89x0var.h> 53 54 struct cs_pcmcia_softc; 55 56 static int cs_pcmcia_match(device_t, cfdata_t, void *); 57 static int cs_pcmcia_validate_config(struct pcmcia_config_entry *); 58 static void cs_pcmcia_attach(device_t, device_t, void *); 59 static int cs_pcmcia_detach(device_t, int); 60 static int cs_pcmcia_enable(struct cs_softc *); 61 static void cs_pcmcia_disable(struct cs_softc *); 62 63 struct cs_pcmcia_softc { 64 struct cs_softc sc_cs; /* real "cs" softc */ 65 66 struct pcmcia_function *sc_pf; 67 68 int sc_state; 69 #define CS_PCMCIA_ATTACHED 3 70 }; 71 72 CFATTACH_DECL_NEW(cs_pcmcia, sizeof(struct cs_pcmcia_softc), 73 cs_pcmcia_match, cs_pcmcia_attach, cs_pcmcia_detach, cs_activate); 74 75 static int 76 cs_pcmcia_match(device_t parent, cfdata_t match, 77 void *aux) 78 { 79 struct pcmcia_attach_args *pa = aux; 80 81 if (pa->manufacturer == PCMCIA_VENDOR_IBM && 82 pa->product == PCMCIA_PRODUCT_IBM_ETHERJET) 83 return (1); 84 return (0); 85 } 86 87 static int 88 cs_pcmcia_validate_config(struct pcmcia_config_entry *cfe) 89 { 90 if (cfe->iftype != PCMCIA_IFTYPE_IO || 91 cfe->num_memspace != 0 || 92 cfe->num_iospace != 1 || 93 cfe->iospace[0].length < CS8900_IOSIZE) 94 return (EINVAL); 95 return (0); 96 } 97 98 static void 99 cs_pcmcia_attach(device_t parent, device_t self, void *aux) 100 { 101 struct cs_pcmcia_softc *psc = device_private(self); 102 struct cs_softc *sc = &psc->sc_cs; 103 struct pcmcia_attach_args *pa = aux; 104 struct pcmcia_config_entry *cfe; 105 struct pcmcia_function *pf; 106 int error; 107 108 sc->sc_dev = self; 109 pf = psc->sc_pf = pa->pf; 110 111 error = pcmcia_function_configure(pa->pf, cs_pcmcia_validate_config); 112 if (error) { 113 aprint_error_dev(self, "configure failed, error=%d\n", 114 error); 115 return; 116 } 117 118 cfe = pf->cfe; 119 sc->sc_iot = cfe->iospace[0].handle.iot; 120 sc->sc_ioh = cfe->iospace[0].handle.ioh; 121 sc->sc_irq = -1; 122 #define CS_PCMCIA_HACK_FOR_CARDBUS 123 #ifdef CS_PCMCIA_HACK_FOR_CARDBUS 124 /* 125 * XXX is there a generic way to know if it's a cardbus or not? 126 */ 127 sc->sc_cfgflags |= CFGFLG_CARDBUS_HACK; 128 #endif 129 130 error = cs_pcmcia_enable(sc); 131 if (error) 132 goto fail; 133 134 sc->sc_enable = cs_pcmcia_enable; 135 sc->sc_disable = cs_pcmcia_disable; 136 137 /* chip attach */ 138 error = cs_attach(sc, 0, 0, 0, 0); 139 if (error) 140 goto fail2; 141 142 cs_pcmcia_disable(sc); 143 psc->sc_state = CS_PCMCIA_ATTACHED; 144 return; 145 146 fail2: 147 cs_pcmcia_disable(sc); 148 fail: 149 pcmcia_function_unconfigure(pf); 150 } 151 152 static int 153 cs_pcmcia_detach(device_t self, int flags) 154 { 155 struct cs_pcmcia_softc *psc = device_private(self); 156 struct cs_softc *sc = &psc->sc_cs; 157 int error; 158 159 if (psc->sc_state != CS_PCMCIA_ATTACHED) 160 return (0); 161 162 error = cs_detach(sc); 163 if (error) 164 return (error); 165 166 pcmcia_function_unconfigure(psc->sc_pf); 167 168 return (0); 169 } 170 171 static int 172 cs_pcmcia_enable(struct cs_softc *sc) 173 { 174 struct cs_pcmcia_softc *psc = (void *)sc; 175 int error; 176 177 sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, cs_intr, sc); 178 if (!sc->sc_ih) 179 return (EIO); 180 181 error = pcmcia_function_enable(psc->sc_pf); 182 if (error) { 183 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 184 sc->sc_ih = 0; 185 } 186 187 return (error); 188 } 189 190 static void 191 cs_pcmcia_disable(struct cs_softc *sc) 192 { 193 struct cs_pcmcia_softc *psc = (void *)sc; 194 195 pcmcia_function_disable(psc->sc_pf); 196 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 197 sc->sc_ih = 0; 198 } 199
Indexes created Thu Oct 02 10:09:58 GMT 2025