| 1 | /* $NetBSD: if_mbe_pcmcia.c,v 1.47 2016/07/07 06:55:42 msaitoh Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 1998, 2000, 2004 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Enami Tsugutomo. |
| 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 | #include <sys/cdefs.h> |
| 33 | __KERNEL_RCSID(0, "$NetBSD: if_mbe_pcmcia.c,v 1.47 2016/07/07 06:55:42 msaitoh Exp $" ); |
| 34 | |
| 35 | #include <sys/param.h> |
| 36 | #include <sys/systm.h> |
| 37 | #include <sys/device.h> |
| 38 | #include <sys/socket.h> |
| 39 | |
| 40 | #include <net/if.h> |
| 41 | #include <net/if_ether.h> |
| 42 | #include <net/if_media.h> |
| 43 | |
| 44 | #include <sys/intr.h> |
| 45 | #include <sys/bus.h> |
| 46 | |
| 47 | #include <dev/ic/mb86960reg.h> |
| 48 | #include <dev/ic/mb86960var.h> |
| 49 | |
| 50 | #include <dev/pcmcia/pcmciareg.h> |
| 51 | #include <dev/pcmcia/pcmciavar.h> |
| 52 | #include <dev/pcmcia/pcmciadevs.h> |
| 53 | |
| 54 | int mbe_pcmcia_match(device_t, cfdata_t, void *); |
| 55 | int mbe_pcmcia_validate_config(struct pcmcia_config_entry *); |
| 56 | void mbe_pcmcia_attach(device_t, device_t, void *); |
| 57 | int mbe_pcmcia_detach(device_t, int); |
| 58 | |
| 59 | struct mbe_pcmcia_softc { |
| 60 | struct mb86960_softc sc_mb86960; /* real "mb" softc */ |
| 61 | |
| 62 | struct pcmcia_function *sc_pf; /* our PCMCIA function */ |
| 63 | void *sc_ih; /* interrupt cookie */ |
| 64 | |
| 65 | int sc_state; |
| 66 | #define MBE_PCMCIA_ATTACHED 3 |
| 67 | }; |
| 68 | |
| 69 | CFATTACH_DECL_NEW(mbe_pcmcia, sizeof(struct mbe_pcmcia_softc), |
| 70 | mbe_pcmcia_match, mbe_pcmcia_attach, mbe_pcmcia_detach, mb86960_activate); |
| 71 | |
| 72 | int mbe_pcmcia_enable(struct mb86960_softc *); |
| 73 | void mbe_pcmcia_disable(struct mb86960_softc *); |
| 74 | |
| 75 | struct mbe_pcmcia_get_enaddr_args { |
| 76 | uint8_t enaddr[ETHER_ADDR_LEN]; |
| 77 | int maddr; |
| 78 | }; |
| 79 | int mbe_pcmcia_get_enaddr_from_cis(struct pcmcia_tuple *, void *); |
| 80 | int mbe_pcmcia_get_enaddr_from_mem(struct mbe_pcmcia_softc *, |
| 81 | struct mbe_pcmcia_get_enaddr_args *); |
| 82 | int mbe_pcmcia_get_enaddr_from_io(struct mbe_pcmcia_softc *, |
| 83 | struct mbe_pcmcia_get_enaddr_args *); |
| 84 | |
| 85 | static const struct mbe_pcmcia_product { |
| 86 | struct pcmcia_product mpp_product; |
| 87 | int mpp_enet_maddr; |
| 88 | int mpp_flags; |
| 89 | #define MBH10302 0x0001 /* FUJITSU MBH10302 */ |
| 90 | } mbe_pcmcia_products[] = { |
| 91 | { { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_CD021BX, |
| 92 | PCMCIA_CIS_TDK_LAK_CD021BX }, |
| 93 | -1, 0 }, |
| 94 | |
| 95 | { { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_CF010, |
| 96 | PCMCIA_CIS_TDK_LAK_CF010 }, |
| 97 | -1, 0 }, |
| 98 | |
| 99 | #if 0 /* XXX 86960-based? */ |
| 100 | { { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_DFL9610, |
| 101 | PCMCIA_CIS_TDK_DFL9610 }, |
| 102 | -1, MBH10302 /* XXX */ }, |
| 103 | #endif |
| 104 | |
| 105 | { { PCMCIA_VENDOR_CONTEC, PCMCIA_PRODUCT_CONTEC_CNETPC, |
| 106 | PCMCIA_CIS_CONTEC_CNETPC }, |
| 107 | -1, 0 }, |
| 108 | |
| 109 | { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_LA501, |
| 110 | PCMCIA_CIS_FUJITSU_LA501 }, |
| 111 | -1, 0 }, |
| 112 | |
| 113 | { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J181, |
| 114 | PCMCIA_CIS_FUJITSU_FMV_J181 }, |
| 115 | -1, MBH10302 }, |
| 116 | |
| 117 | { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J182, |
| 118 | PCMCIA_CIS_FUJITSU_FMV_J182 }, |
| 119 | 0xf2c, 0 }, |
| 120 | |
| 121 | { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J182A, |
| 122 | PCMCIA_CIS_FUJITSU_FMV_J182A }, |
| 123 | 0x1cc, 0 }, |
| 124 | |
| 125 | { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_ITCFJ182A, |
| 126 | PCMCIA_CIS_FUJITSU_ITCFJ182A }, |
| 127 | 0x1cc, 0 }, |
| 128 | |
| 129 | { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_LA10S, |
| 130 | PCMCIA_CIS_FUJITSU_LA10S }, |
| 131 | -1, 0 }, |
| 132 | |
| 133 | { { PCMCIA_VENDOR_RATOC, PCMCIA_PRODUCT_RATOC_REX_R280, |
| 134 | PCMCIA_CIS_RATOC_REX_R280 }, |
| 135 | 0x1fc, 0 }, |
| 136 | }; |
| 137 | static const size_t mbe_pcmcia_nproducts = __arraycount(mbe_pcmcia_products); |
| 138 | |
| 139 | int |
| 140 | mbe_pcmcia_match(device_t parent, cfdata_t cf, void *aux) |
| 141 | { |
| 142 | struct pcmcia_attach_args *pa = aux; |
| 143 | |
| 144 | if (pcmcia_product_lookup(pa, mbe_pcmcia_products, |
| 145 | mbe_pcmcia_nproducts, sizeof(mbe_pcmcia_products[0]), NULL)) |
| 146 | return 1; |
| 147 | return 0; |
| 148 | } |
| 149 | |
| 150 | int |
| 151 | mbe_pcmcia_validate_config(struct pcmcia_config_entry *cfe) |
| 152 | { |
| 153 | |
| 154 | if (cfe->iftype != PCMCIA_IFTYPE_IO || cfe->num_iospace < 1) |
| 155 | return EINVAL; |
| 156 | return 0; |
| 157 | } |
| 158 | |
| 159 | void |
| 160 | mbe_pcmcia_attach(device_t parent, device_t self, void *aux) |
| 161 | { |
| 162 | struct mbe_pcmcia_softc *psc = device_private(self); |
| 163 | struct mb86960_softc *sc = &psc->sc_mb86960; |
| 164 | struct pcmcia_attach_args *pa = aux; |
| 165 | struct pcmcia_config_entry *cfe; |
| 166 | struct mbe_pcmcia_get_enaddr_args pgea; |
| 167 | const struct mbe_pcmcia_product *mpp; |
| 168 | int error; |
| 169 | |
| 170 | sc->sc_dev = self; |
| 171 | psc->sc_pf = pa->pf; |
| 172 | |
| 173 | error = pcmcia_function_configure(pa->pf, mbe_pcmcia_validate_config); |
| 174 | if (error) { |
| 175 | aprint_error_dev(self, "configure failed, error=%d\n" , error); |
| 176 | return; |
| 177 | } |
| 178 | |
| 179 | cfe = pa->pf->cfe; |
| 180 | sc->sc_bst = cfe->iospace[0].handle.iot; |
| 181 | sc->sc_bsh = cfe->iospace[0].handle.ioh; |
| 182 | |
| 183 | mpp = pcmcia_product_lookup(pa, mbe_pcmcia_products, |
| 184 | mbe_pcmcia_nproducts, sizeof(mbe_pcmcia_products[0]), NULL); |
| 185 | if (!mpp) |
| 186 | panic("%s: impossible" , __func__); |
| 187 | |
| 188 | /* Read station address from io/mem or CIS. */ |
| 189 | if (mpp->mpp_enet_maddr >= 0) { |
| 190 | pgea.maddr = mpp->mpp_enet_maddr; |
| 191 | if (mbe_pcmcia_get_enaddr_from_mem(psc, &pgea) != 0) { |
| 192 | aprint_error_dev(self, "couldn't get ethernet address " |
| 193 | "from memory\n" ); |
| 194 | goto fail; |
| 195 | } |
| 196 | } else if (mpp->mpp_flags & MBH10302) { |
| 197 | bus_space_write_1(sc->sc_bst, sc->sc_bsh, FE_MBH0 , |
| 198 | FE_MBH0_MASK | FE_MBH0_INTR_ENABLE); |
| 199 | if (mbe_pcmcia_get_enaddr_from_io(psc, &pgea) != 0) { |
| 200 | aprint_error_dev(self, |
| 201 | "couldn't get ethernet address from i/o\n" ); |
| 202 | goto fail; |
| 203 | } |
| 204 | } else { |
| 205 | if (pa->pf->pf_funce_lan_nidlen != ETHER_ADDR_LEN) { |
| 206 | aprint_error_dev(self, |
| 207 | "couldn't get ethernet address from CIS\n" ); |
| 208 | goto fail; |
| 209 | } |
| 210 | memcpy(pgea.enaddr, pa->pf->pf_funce_lan_nid, ETHER_ADDR_LEN); |
| 211 | } |
| 212 | |
| 213 | /* Perform generic initialization. */ |
| 214 | if (mpp->mpp_flags & MBH10302) |
| 215 | sc->sc_flags |= FE_FLAGS_MB86960; |
| 216 | |
| 217 | sc->sc_enable = mbe_pcmcia_enable; |
| 218 | sc->sc_disable = mbe_pcmcia_disable; |
| 219 | |
| 220 | error = mbe_pcmcia_enable(sc); |
| 221 | if (error) |
| 222 | goto fail; |
| 223 | |
| 224 | mb86960_attach(sc, pgea.enaddr); |
| 225 | mb86960_config(sc, NULL, 0, 0); |
| 226 | |
| 227 | mbe_pcmcia_disable(sc); |
| 228 | psc->sc_state = MBE_PCMCIA_ATTACHED; |
| 229 | return; |
| 230 | |
| 231 | fail: |
| 232 | pcmcia_function_unconfigure(pa->pf); |
| 233 | } |
| 234 | |
| 235 | int |
| 236 | mbe_pcmcia_detach(device_t self, int flags) |
| 237 | { |
| 238 | struct mbe_pcmcia_softc *psc = device_private(self); |
| 239 | int error; |
| 240 | |
| 241 | if (psc->sc_state != MBE_PCMCIA_ATTACHED) |
| 242 | return 0; |
| 243 | |
| 244 | error = mb86960_detach(&psc->sc_mb86960); |
| 245 | if (error) |
| 246 | return error; |
| 247 | |
| 248 | pcmcia_function_unconfigure(psc->sc_pf); |
| 249 | |
| 250 | return 0; |
| 251 | } |
| 252 | |
| 253 | int |
| 254 | mbe_pcmcia_enable(struct mb86960_softc *sc) |
| 255 | { |
| 256 | struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc; |
| 257 | int error; |
| 258 | |
| 259 | /* Establish the interrupt handler. */ |
| 260 | psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, mb86960_intr, |
| 261 | sc); |
| 262 | if (!psc->sc_ih) |
| 263 | return EIO; |
| 264 | |
| 265 | error = pcmcia_function_enable(psc->sc_pf); |
| 266 | if (error) { |
| 267 | pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); |
| 268 | psc->sc_ih = 0; |
| 269 | } |
| 270 | |
| 271 | return error; |
| 272 | } |
| 273 | |
| 274 | void |
| 275 | mbe_pcmcia_disable(struct mb86960_softc *sc) |
| 276 | { |
| 277 | struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc; |
| 278 | |
| 279 | pcmcia_function_disable(psc->sc_pf); |
| 280 | pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); |
| 281 | psc->sc_ih = 0; |
| 282 | } |
| 283 | |
| 284 | int |
| 285 | mbe_pcmcia_get_enaddr_from_io(struct mbe_pcmcia_softc *psc, |
| 286 | struct mbe_pcmcia_get_enaddr_args *ea) |
| 287 | { |
| 288 | struct mb86960_softc *sc = &psc->sc_mb86960; |
| 289 | int i; |
| 290 | |
| 291 | for (i = 0; i < ETHER_ADDR_LEN; i++) |
| 292 | ea->enaddr[i] = bus_space_read_1(sc->sc_bst, sc->sc_bsh, |
| 293 | FE_MBH_ENADDR + i); |
| 294 | return 0; |
| 295 | } |
| 296 | |
| 297 | int |
| 298 | mbe_pcmcia_get_enaddr_from_mem(struct mbe_pcmcia_softc *psc, |
| 299 | struct mbe_pcmcia_get_enaddr_args *ea) |
| 300 | { |
| 301 | struct mb86960_softc *sc = &psc->sc_mb86960; |
| 302 | struct pcmcia_mem_handle pcmh; |
| 303 | bus_size_t offset; |
| 304 | int i, mwindow, rv = 1; |
| 305 | |
| 306 | if (ea->maddr < 0) |
| 307 | goto bad_memaddr; |
| 308 | |
| 309 | if (pcmcia_mem_alloc(psc->sc_pf, ETHER_ADDR_LEN * 2, &pcmh)) { |
| 310 | aprint_error_dev(sc->sc_dev, "can't alloc mem for enet addr\n" ); |
| 311 | goto memalloc_failed; |
| 312 | } |
| 313 | |
| 314 | if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_ATTR, ea->maddr, |
| 315 | ETHER_ADDR_LEN * 2, &pcmh, &offset, &mwindow)) { |
| 316 | aprint_error_dev(sc->sc_dev, "can't map mem for enet addr\n" ); |
| 317 | goto memmap_failed; |
| 318 | } |
| 319 | |
| 320 | for (i = 0; i < ETHER_ADDR_LEN; i++) |
| 321 | ea->enaddr[i] = bus_space_read_1(pcmh.memt, pcmh.memh, |
| 322 | offset + (i * 2)); |
| 323 | |
| 324 | rv = 0; |
| 325 | pcmcia_mem_unmap(psc->sc_pf, mwindow); |
| 326 | memmap_failed: |
| 327 | pcmcia_mem_free(psc->sc_pf, &pcmh); |
| 328 | memalloc_failed: |
| 329 | bad_memaddr: |
| 330 | |
| 331 | return rv; |
| 332 | } |
| 333 | |