| 1 | /* $NetBSD: if_awi_pcmcia.c,v 1.46 2016/07/14 04:19:27 msaitoh 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 1.46 2016/07/14 04:19:27 msaitoh 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(device_t, cfdata_t, void *); |
| 75 | static int awi_pcmcia_validate_config(struct pcmcia_config_entry *); |
| 76 | static void awi_pcmcia_attach(device_t, device_t, void *); |
| 77 | static int awi_pcmcia_detach(device_t, 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_NEW(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(struct awi_softc *sc) |
| 122 | { |
| 123 | struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; |
| 124 | struct pcmcia_function *pf = psc->sc_pf; |
| 125 | int error; |
| 126 | |
| 127 | /* establish the interrupt. */ |
| 128 | psc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); |
| 129 | if (!psc->sc_ih) |
| 130 | return (EIO); |
| 131 | |
| 132 | error = pcmcia_function_enable(pf); |
| 133 | if (error) { |
| 134 | pcmcia_intr_disestablish(pf, psc->sc_ih); |
| 135 | psc->sc_ih = 0; |
| 136 | } |
| 137 | |
| 138 | return (error); |
| 139 | } |
| 140 | |
| 141 | static void |
| 142 | awi_pcmcia_disable(struct awi_softc *sc) |
| 143 | { |
| 144 | struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; |
| 145 | struct pcmcia_function *pf = psc->sc_pf; |
| 146 | |
| 147 | pcmcia_function_disable(pf); |
| 148 | pcmcia_intr_disestablish(pf, psc->sc_ih); |
| 149 | psc->sc_ih = 0; |
| 150 | } |
| 151 | |
| 152 | static int |
| 153 | awi_pcmcia_match(device_t parent, cfdata_t match, void *aux) |
| 154 | { |
| 155 | struct pcmcia_attach_args *pa = aux; |
| 156 | |
| 157 | if (pcmcia_product_lookup(pa, awi_pcmcia_products, awi_pcmcia_nproducts, |
| 158 | sizeof(awi_pcmcia_products[0]), NULL)) |
| 159 | return (1); |
| 160 | return (0); |
| 161 | } |
| 162 | |
| 163 | static int |
| 164 | awi_pcmcia_validate_config(struct pcmcia_config_entry *cfe) |
| 165 | { |
| 166 | if (cfe->iftype != PCMCIA_IFTYPE_IO || |
| 167 | cfe->num_iospace < 1 || |
| 168 | cfe->iospace[0].length < AM79C930_IO_SIZE) |
| 169 | return (EINVAL); |
| 170 | if (cfe->num_memspace < 1) { |
| 171 | cfe->memspace[0].length = AM79C930_MEM_SIZE; |
| 172 | cfe->memspace[0].cardaddr = 0; |
| 173 | cfe->memspace[0].hostaddr = 0; |
| 174 | } else if (cfe->memspace[0].length < AM79C930_MEM_SIZE) |
| 175 | return (EINVAL); |
| 176 | return (0); |
| 177 | } |
| 178 | |
| 179 | static void |
| 180 | awi_pcmcia_attach(device_t parent, device_t self, void *aux) |
| 181 | { |
| 182 | struct awi_pcmcia_softc *psc = device_private(self); |
| 183 | struct awi_softc *sc = &psc->sc_awi; |
| 184 | struct pcmcia_attach_args *pa = aux; |
| 185 | struct pcmcia_config_entry *cfe; |
| 186 | int error; |
| 187 | |
| 188 | sc->sc_dev = self; |
| 189 | psc->sc_pf = pa->pf; |
| 190 | |
| 191 | error = pcmcia_function_configure(pa->pf, awi_pcmcia_validate_config); |
| 192 | if (error) { |
| 193 | aprint_error_dev(self, "configure failed, error=%d\n" , error); |
| 194 | return; |
| 195 | } |
| 196 | |
| 197 | cfe = pa->pf->cfe; |
| 198 | sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; |
| 199 | sc->sc_chip.sc_iot = cfe->iospace[0].handle.iot; |
| 200 | sc->sc_chip.sc_ioh = cfe->iospace[0].handle.ioh; |
| 201 | if (cfe->num_memspace > 0) { |
| 202 | sc->sc_chip.sc_memt = cfe->memspace[0].handle.memt; |
| 203 | sc->sc_chip.sc_memh = cfe->memspace[0].handle.memh; |
| 204 | am79c930_chip_init(&sc->sc_chip, 1); |
| 205 | } else |
| 206 | am79c930_chip_init(&sc->sc_chip, 0); |
| 207 | |
| 208 | error = awi_pcmcia_enable(sc); |
| 209 | if (error) |
| 210 | goto fail; |
| 211 | sc->sc_enabled = 1; |
| 212 | |
| 213 | awi_read_bytes(sc, AWI_BANNER, sc->sc_banner, AWI_BANNER_LEN); |
| 214 | if (memcmp(sc->sc_banner, "PCnetMobile:" , 12)) |
| 215 | goto fail2; |
| 216 | |
| 217 | sc->sc_enable = awi_pcmcia_enable; |
| 218 | sc->sc_disable = awi_pcmcia_disable; |
| 219 | |
| 220 | sc->sc_cansleep = 1; |
| 221 | |
| 222 | if (awi_attach(sc) != 0) { |
| 223 | aprint_error_dev(self, "failed to attach controller\n" ); |
| 224 | goto fail2; |
| 225 | } |
| 226 | |
| 227 | sc->sc_enabled = 0; |
| 228 | awi_pcmcia_disable(sc); |
| 229 | psc->sc_state = AWI_PCMCIA_ATTACHED; |
| 230 | return; |
| 231 | |
| 232 | fail2: |
| 233 | sc->sc_enabled = 0; |
| 234 | awi_pcmcia_disable(sc); |
| 235 | fail: |
| 236 | pcmcia_function_unconfigure(pa->pf); |
| 237 | } |
| 238 | |
| 239 | static int |
| 240 | awi_pcmcia_detach(device_t self, int flags) |
| 241 | { |
| 242 | struct awi_pcmcia_softc *psc = device_private(self); |
| 243 | int error; |
| 244 | |
| 245 | if (psc->sc_state != AWI_PCMCIA_ATTACHED) |
| 246 | return (0); |
| 247 | |
| 248 | error = awi_detach(&psc->sc_awi); |
| 249 | if (error) |
| 250 | return (error); |
| 251 | |
| 252 | pcmcia_function_unconfigure(psc->sc_pf); |
| 253 | |
| 254 | return (0); |
| 255 | } |
| 256 | |