if_awi_pcmcia.c revision 1.39.2.1
1 /* $NetBSD: if_awi_pcmcia.c,v 1.39.2.1 2008/05/18 12:34:36 yamt Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Bill Sommerfeld 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 /* 33 * PCMCIA attachment for BayStack 650 802.11FH PCMCIA card, 34 * based on the AMD 79c930 802.11 controller chip. 35 * 36 * This attachment can probably be trivially adapted for other FH and 37 * DS cards based on the same chipset. 38 */ 39 40 #include <sys/cdefs.h> 41 __KERNEL_RCSID(0, "$NetBSD: if_awi_pcmcia.c,v 1.39.2.1 2008/05/18 12:34:36 yamt Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/mbuf.h> 46 #include <sys/socket.h> 47 #include <sys/ioctl.h> 48 #include <sys/errno.h> 49 #include <sys/syslog.h> 50 #include <sys/select.h> 51 #include <sys/device.h> 52 53 #include <net/if.h> 54 #include <net/if_dl.h> 55 #include <net/if_ether.h> 56 #include <net/if_media.h> 57 58 #include <net80211/ieee80211_netbsd.h> 59 #include <net80211/ieee80211_var.h> 60 61 #include <sys/cpu.h> 62 #include <sys/bus.h> 63 #include <sys/intr.h> 64 65 #include <dev/ic/am79c930reg.h> 66 #include <dev/ic/am79c930var.h> 67 #include <dev/ic/awireg.h> 68 #include <dev/ic/awivar.h> 69 70 #include <dev/pcmcia/pcmciareg.h> 71 #include <dev/pcmcia/pcmciavar.h> 72 #include <dev/pcmcia/pcmciadevs.h> 73 74 static int awi_pcmcia_match(struct device *, struct cfdata *, void *); 75 static int awi_pcmcia_validate_config(struct pcmcia_config_entry *); 76 static void awi_pcmcia_attach(struct device *, struct device *, void *); 77 static int awi_pcmcia_detach(struct device *, int); 78 static int awi_pcmcia_enable(struct awi_softc *); 79 static void awi_pcmcia_disable(struct awi_softc *); 80 81 struct awi_pcmcia_softc { 82 struct awi_softc sc_awi; /* real "awi" softc */ 83 84 /* PCMCIA-specific goo */ 85 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 86 void *sc_ih; /* interrupt handler */ 87 88 int sc_state; 89 #define AWI_PCMCIA_ATTACHED 3 90 }; 91 92 CFATTACH_DECL(awi_pcmcia, sizeof(struct awi_pcmcia_softc), 93 awi_pcmcia_match, awi_pcmcia_attach, awi_pcmcia_detach, awi_activate); 94 95 static const struct pcmcia_product awi_pcmcia_products[] = { 96 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_650, 97 PCMCIA_CIS_BAY_STACK_650 }, 98 99 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_660, 100 PCMCIA_CIS_BAY_STACK_660 }, 101 102 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_SURFER_PRO, 103 PCMCIA_CIS_BAY_SURFER_PRO }, 104 105 { PCMCIA_VENDOR_AMD, PCMCIA_PRODUCT_AMD_AM79C930, 106 PCMCIA_CIS_AMD_AM79C930 }, 107 108 { PCMCIA_VENDOR_ICOM, PCMCIA_PRODUCT_ICOM_SL200, 109 PCMCIA_CIS_ICOM_SL200 }, 110 111 { PCMCIA_VENDOR_NOKIA, PCMCIA_PRODUCT_NOKIA_C020_WLAN, 112 PCMCIA_CIS_NOKIA_C020_WLAN }, 113 114 { PCMCIA_VENDOR_FARALLON, PCMCIA_PRODUCT_FARALLON_SKYLINE, 115 PCMCIA_CIS_FARALLON_SKYLINE }, 116 }; 117 static const size_t awi_pcmcia_nproducts = 118 sizeof(awi_pcmcia_products) / sizeof(awi_pcmcia_products[0]); 119 120 static int 121 awi_pcmcia_enable(sc) 122 struct awi_softc *sc; 123 { 124 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 125 struct pcmcia_function *pf = psc->sc_pf; 126 int error; 127 128 /* establish the interrupt. */ 129 psc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); 130 if (!psc->sc_ih) 131 return (EIO); 132 133 error = pcmcia_function_enable(pf); 134 if (error) { 135 pcmcia_intr_disestablish(pf, psc->sc_ih); 136 psc->sc_ih = 0; 137 } 138 139 return (error); 140 } 141 142 static void 143 awi_pcmcia_disable(sc) 144 struct awi_softc *sc; 145 { 146 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 147 struct pcmcia_function *pf = psc->sc_pf; 148 149 pcmcia_function_disable(pf); 150 pcmcia_intr_disestablish(pf, psc->sc_ih); 151 psc->sc_ih = 0; 152 } 153 154 static int 155 awi_pcmcia_match(struct device *parent, struct cfdata *match, 156 void *aux) 157 { 158 struct pcmcia_attach_args *pa = aux; 159 160 if (pcmcia_product_lookup(pa, awi_pcmcia_products, awi_pcmcia_nproducts, 161 sizeof(awi_pcmcia_products[0]), NULL)) 162 return (1); 163 return (0); 164 } 165 166 static int 167 awi_pcmcia_validate_config(cfe) 168 struct pcmcia_config_entry *cfe; 169 { 170 if (cfe->iftype != PCMCIA_IFTYPE_IO || 171 cfe->num_iospace < 1 || 172 cfe->iospace[0].length < AM79C930_IO_SIZE) 173 return (EINVAL); 174 if (cfe->num_memspace < 1) { 175 cfe->memspace[0].length = AM79C930_MEM_SIZE; 176 cfe->memspace[0].cardaddr = 0; 177 cfe->memspace[0].hostaddr = 0; 178 } else if (cfe->memspace[0].length < AM79C930_MEM_SIZE) 179 return (EINVAL); 180 return (0); 181 } 182 183 static void 184 awi_pcmcia_attach(struct device *parent, struct device *self, 185 void *aux) 186 { 187 struct awi_pcmcia_softc *psc = (void *)self; 188 struct awi_softc *sc = &psc->sc_awi; 189 struct pcmcia_attach_args *pa = aux; 190 struct pcmcia_config_entry *cfe; 191 int error; 192 193 psc->sc_pf = pa->pf; 194 195 error = pcmcia_function_configure(pa->pf, awi_pcmcia_validate_config); 196 if (error) { 197 aprint_error_dev(self, "configure failed, error=%d\n", 198 error); 199 return; 200 } 201 202 cfe = pa->pf->cfe; 203 sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; 204 sc->sc_chip.sc_iot = cfe->iospace[0].handle.iot; 205 sc->sc_chip.sc_ioh = cfe->iospace[0].handle.ioh; 206 if (cfe->num_memspace > 0) { 207 sc->sc_chip.sc_memt = cfe->memspace[0].handle.memt; 208 sc->sc_chip.sc_memh = cfe->memspace[0].handle.memh; 209 am79c930_chip_init(&sc->sc_chip, 1); 210 } else 211 am79c930_chip_init(&sc->sc_chip, 0); 212 213 error = awi_pcmcia_enable(sc); 214 if (error) 215 goto fail; 216 sc->sc_enabled = 1; 217 218 awi_read_bytes(sc, AWI_BANNER, sc->sc_banner, AWI_BANNER_LEN); 219 if (memcmp(sc->sc_banner, "PCnetMobile:", 12)) 220 goto fail2; 221 222 sc->sc_enable = awi_pcmcia_enable; 223 sc->sc_disable = awi_pcmcia_disable; 224 225 sc->sc_cansleep = 1; 226 227 if (awi_attach(sc) != 0) { 228 aprint_error_dev(self, "failed to attach controller\n"); 229 goto fail2; 230 } 231 232 sc->sc_enabled = 0; 233 awi_pcmcia_disable(sc); 234 psc->sc_state = AWI_PCMCIA_ATTACHED; 235 return; 236 237 fail2: 238 sc->sc_enabled = 0; 239 awi_pcmcia_disable(sc); 240 fail: 241 pcmcia_function_unconfigure(pa->pf); 242 } 243 244 static int 245 awi_pcmcia_detach(struct device *self, int flags) 246 { 247 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self; 248 int error; 249 250 if (psc->sc_state != AWI_PCMCIA_ATTACHED) 251 return (0); 252 253 error = awi_detach(&psc->sc_awi); 254 if (error) 255 return (error); 256 257 pcmcia_function_unconfigure(psc->sc_pf); 258 259 return (0); 260 } 261
Indexes created Wed Oct 22 00:09:40 GMT 2025