if_cs_pcmcia.c revision 1.22
1 /* $NetBSD: if_cs_pcmcia.c,v 1.22 2016/07/07 06:55:42 msaitoh 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 1.22 2016/07/07 06:55:42 msaitoh 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 <net/if.h> 39 #include <net/if_ether.h> 40 #include <net/if_media.h> 41 42 #include <sys/bus.h> 43 #include <sys/intr.h> 44 45 #include <dev/pcmcia/pcmciareg.h> 46 #include <dev/pcmcia/pcmciavar.h> 47 #include <dev/pcmcia/pcmciadevs.h> 48 49 #include <dev/ic/cs89x0reg.h> 50 #include <dev/ic/cs89x0var.h> 51 52 struct cs_pcmcia_softc; 53 54 static int cs_pcmcia_match(device_t, cfdata_t, void *); 55 static int cs_pcmcia_validate_config(struct pcmcia_config_entry *); 56 static void cs_pcmcia_attach(device_t, device_t, void *); 57 static int cs_pcmcia_detach(device_t, int); 58 static int cs_pcmcia_enable(struct cs_softc *); 59 static void cs_pcmcia_disable(struct cs_softc *); 60 61 struct cs_pcmcia_softc { 62 struct cs_softc sc_cs; /* real "cs" softc */ 63 64 struct pcmcia_function *sc_pf; 65 66 int sc_state; 67 #define CS_PCMCIA_ATTACHED 3 68 }; 69 70 CFATTACH_DECL_NEW(cs_pcmcia, sizeof(struct cs_pcmcia_softc), 71 cs_pcmcia_match, cs_pcmcia_attach, cs_pcmcia_detach, cs_activate); 72 73 static int 74 cs_pcmcia_match(device_t parent, cfdata_t match, 75 void *aux) 76 { 77 struct pcmcia_attach_args *pa = aux; 78 79 if (pa->manufacturer == PCMCIA_VENDOR_IBM && 80 pa->product == PCMCIA_PRODUCT_IBM_ETHERJET) 81 return (1); 82 return (0); 83 } 84 85 static int 86 cs_pcmcia_validate_config(struct pcmcia_config_entry *cfe) 87 { 88 if (cfe->iftype != PCMCIA_IFTYPE_IO || 89 cfe->num_memspace != 0 || 90 cfe->num_iospace != 1 || 91 cfe->iospace[0].length < CS8900_IOSIZE) 92 return (EINVAL); 93 return (0); 94 } 95 96 static void 97 cs_pcmcia_attach(device_t parent, device_t self, void *aux) 98 { 99 struct cs_pcmcia_softc *psc = device_private(self); 100 struct cs_softc *sc = &psc->sc_cs; 101 struct pcmcia_attach_args *pa = aux; 102 struct pcmcia_config_entry *cfe; 103 struct pcmcia_function *pf; 104 int error; 105 106 sc->sc_dev = self; 107 pf = psc->sc_pf = pa->pf; 108 109 error = pcmcia_function_configure(pa->pf, cs_pcmcia_validate_config); 110 if (error) { 111 aprint_error_dev(self, "configure failed, error=%d\n", error); 112 return; 113 } 114 115 cfe = pf->cfe; 116 sc->sc_iot = cfe->iospace[0].handle.iot; 117 sc->sc_ioh = cfe->iospace[0].handle.ioh; 118 sc->sc_irq = -1; 119 #define CS_PCMCIA_HACK_FOR_CARDBUS 120 #ifdef CS_PCMCIA_HACK_FOR_CARDBUS 121 /* 122 * XXX is there a generic way to know if it's a cardbus or not? 123 */ 124 sc->sc_cfgflags |= CFGFLG_CARDBUS_HACK; 125 #endif 126 127 error = cs_pcmcia_enable(sc); 128 if (error) 129 goto fail; 130 131 sc->sc_enable = cs_pcmcia_enable; 132 sc->sc_disable = cs_pcmcia_disable; 133 134 /* chip attach */ 135 error = cs_attach(sc, 0, 0, 0, 0); 136 if (error) 137 goto fail2; 138 139 cs_pcmcia_disable(sc); 140 psc->sc_state = CS_PCMCIA_ATTACHED; 141 return; 142 143 fail2: 144 cs_pcmcia_disable(sc); 145 fail: 146 pcmcia_function_unconfigure(pf); 147 } 148 149 static int 150 cs_pcmcia_detach(device_t self, int flags) 151 { 152 struct cs_pcmcia_softc *psc = device_private(self); 153 struct cs_softc *sc = &psc->sc_cs; 154 int error; 155 156 if (psc->sc_state != CS_PCMCIA_ATTACHED) 157 return (0); 158 159 error = cs_detach(sc); 160 if (error) 161 return (error); 162 163 pcmcia_function_unconfigure(psc->sc_pf); 164 165 return (0); 166 } 167 168 static int 169 cs_pcmcia_enable(struct cs_softc *sc) 170 { 171 struct cs_pcmcia_softc *psc = (void *)sc; 172 int error; 173 174 sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, cs_intr, sc); 175 if (!sc->sc_ih) 176 return (EIO); 177 178 error = pcmcia_function_enable(psc->sc_pf); 179 if (error) { 180 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 181 sc->sc_ih = 0; 182 } 183 184 return (error); 185 } 186 187 static void 188 cs_pcmcia_disable(struct cs_softc *sc) 189 { 190 struct cs_pcmcia_softc *psc = (void *)sc; 191 192 pcmcia_function_disable(psc->sc_pf); 193 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 194 sc->sc_ih = 0; 195 } 196
Indexes created Thu Oct 02 10:09:58 GMT 2025