/* $NetBSD: if_awi_pcmcia.c,v 1.23 2002/06/01 23:51:00 lukem Exp $ */ /*- * Copyright (c) 1999 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Bill Sommerfeld * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * PCMCIA attachment for BayStack 650 802.11FH PCMCIA card, * based on the AMD 79c930 802.11 controller chip. * * This attachment can probably be trivally adapted for other FH and * DS cards based on the same chipset. */ #include __KERNEL_RCSID(0, "$NetBSD: if_awi_pcmcia.c,v 1.23 2002/06/01 23:51:00 lukem Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static int awi_pcmcia_match(struct device *, struct cfdata *, void *); static void awi_pcmcia_attach(struct device *, struct device *, void *); static int awi_pcmcia_detach(struct device *, int); static int awi_pcmcia_enable(struct awi_softc *); static void awi_pcmcia_disable(struct awi_softc *); struct awi_pcmcia_softc { struct awi_softc sc_awi; /* real "awi" softc */ /* PCMCIA-specific goo */ struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ struct pcmcia_mem_handle sc_memh; /* PCMCIA memory space info */ int sc_io_window; /* our i/o window */ int sc_mem_window; /* our memory window */ struct pcmcia_function *sc_pf; /* our PCMCIA function */ void *sc_ih; /* interrupt handler */ }; static int awi_pcmcia_find __P((struct awi_pcmcia_softc *, struct pcmcia_attach_args *, struct pcmcia_config_entry *)); struct cfattach awi_pcmcia_ca = { sizeof(struct awi_pcmcia_softc), awi_pcmcia_match, awi_pcmcia_attach, awi_pcmcia_detach, awi_activate }; static const struct awi_pcmcia_product { u_int32_t app_vendor; /* vendor ID */ u_int32_t app_product; /* product ID */ const char *app_cisinfo[4]; /* CIS information */ const char *app_name; /* product name */ } awi_pcmcia_products[] = { { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_650, PCMCIA_CIS_BAY_STACK_650, PCMCIA_STR_BAY_STACK_650 }, { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_660, PCMCIA_CIS_BAY_STACK_660, PCMCIA_STR_BAY_STACK_660 }, { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_SURFER_PRO, PCMCIA_CIS_BAY_SURFER_PRO, PCMCIA_STR_BAY_SURFER_PRO }, { PCMCIA_VENDOR_AMD, PCMCIA_PRODUCT_AMD_AM79C930, PCMCIA_CIS_AMD_AM79C930, PCMCIA_STR_AMD_AM79C930 }, { PCMCIA_VENDOR_ICOM, PCMCIA_PRODUCT_ICOM_SL200, PCMCIA_CIS_ICOM_SL200, PCMCIA_STR_ICOM_SL200 }, { PCMCIA_VENDOR_NOKIA, PCMCIA_PRODUCT_NOKIA_C020_WLAN, PCMCIA_CIS_NOKIA_C020_WLAN, PCMCIA_STR_NOKIA_C020_WLAN }, { PCMCIA_VENDOR_FARALLON, PCMCIA_PRODUCT_FARALLON_SKYLINE, PCMCIA_CIS_FARALLON_SKYLINE, PCMCIA_STR_FARALLON_SKYLINE }, { 0, 0, { NULL, NULL, NULL, NULL }, NULL }, }; static const struct awi_pcmcia_product * awi_pcmcia_lookup __P((struct pcmcia_attach_args *)); static const struct awi_pcmcia_product * awi_pcmcia_lookup(pa) struct pcmcia_attach_args *pa; { const struct awi_pcmcia_product *app; for (app = awi_pcmcia_products; app->app_name != NULL; app++) { /* match by vendor/product id */ if (pa->manufacturer != PCMCIA_VENDOR_INVALID && pa->manufacturer == app->app_vendor && pa->product != PCMCIA_PRODUCT_INVALID && pa->product == app->app_product) return (app); /* match by CIS information */ if (pa->card->cis1_info[0] != NULL && app->app_cisinfo[0] != NULL && strcmp(pa->card->cis1_info[0], app->app_cisinfo[0]) == 0 && pa->card->cis1_info[1] != NULL && app->app_cisinfo[1] != NULL && strcmp(pa->card->cis1_info[1], app->app_cisinfo[1]) == 0) return (app); } return (NULL); } static int awi_pcmcia_enable(sc) struct awi_softc *sc; { struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; struct pcmcia_function *pf = psc->sc_pf; /* establish the interrupt. */ psc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); if (psc->sc_ih == NULL) { printf("%s: couldn't establish interrupt\n", sc->sc_dev.dv_xname); return (1); } if (pcmcia_function_enable(pf)) { pcmcia_intr_disestablish(pf, psc->sc_ih); return (1); } DELAY(1000); return (0); } static void awi_pcmcia_disable(sc) struct awi_softc *sc; { struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; struct pcmcia_function *pf = psc->sc_pf; pcmcia_function_disable(pf); pcmcia_intr_disestablish(pf, psc->sc_ih); } static int awi_pcmcia_match(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { struct pcmcia_attach_args *pa = aux; if (awi_pcmcia_lookup(pa) != NULL) return (1); return (0); } static int awi_pcmcia_find(psc, pa, cfe) struct awi_pcmcia_softc *psc; struct pcmcia_attach_args *pa; struct pcmcia_config_entry *cfe; { struct awi_softc *sc = &psc->sc_awi; int fail = 0; /* * see if we can read the firmware version sanely * through the i/o ports. * if not, try a different CIS string.. */ if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start, cfe->iospace[0].length, AM79C930_IO_ALIGN, &psc->sc_pcioh) != 0) goto fail; if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, &psc->sc_pcioh, &psc->sc_io_window)) goto fail_io_free; /* Enable the card. */ pcmcia_function_init(psc->sc_pf, cfe); if (pcmcia_function_enable(psc->sc_pf)) goto fail_io_unmap; sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; sc->sc_chip.sc_iot = psc->sc_pcioh.iot; sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh; am79c930_chip_init(&sc->sc_chip, 0); DELAY(1000); awi_read_bytes(sc, AWI_BANNER, sc->sc_banner, AWI_BANNER_LEN); if (memcmp(sc->sc_banner, "PCnetMobile:", 12) == 0) return (0); fail++; pcmcia_function_disable(psc->sc_pf); fail_io_unmap: fail++; pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); fail_io_free: fail++; pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); fail: fail++; psc->sc_io_window = -1; return (fail); } static void awi_pcmcia_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct awi_pcmcia_softc *psc = (void *)self; struct awi_softc *sc = &psc->sc_awi; const struct awi_pcmcia_product *app; struct pcmcia_attach_args *pa = aux; struct pcmcia_config_entry *cfe; bus_size_t memoff; app = awi_pcmcia_lookup(pa); if (app == NULL) panic("awi_pcmcia_attach: impossible"); psc->sc_pf = pa->pf; SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { if (cfe->iftype != PCMCIA_IFTYPE_IO) continue; if (cfe->num_iospace < 1) continue; if (cfe->iospace[0].length < AM79C930_IO_SIZE) continue; if (awi_pcmcia_find(psc, pa, cfe) == 0) break; } if (cfe == NULL) { printf(": no suitable CIS info found\n"); goto no_config_entry; } sc->sc_enabled = 1; printf(": %s\n", app->app_name); psc->sc_mem_window = -1; if (pcmcia_mem_alloc(psc->sc_pf, AM79C930_MEM_SIZE, &psc->sc_memh) != 0) { printf("%s: unable to allocate memory space; using i/o only\n", sc->sc_dev.dv_xname); } else if (pcmcia_mem_map(psc->sc_pf, PCMCIA_WIDTH_MEM8|PCMCIA_MEM_COMMON, AM79C930_MEM_BASE, AM79C930_MEM_SIZE, &psc->sc_memh, &memoff, &psc->sc_mem_window)) { printf("%s: unable to map memory space; using i/o only\n", sc->sc_dev.dv_xname); pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); } else { sc->sc_chip.sc_memt = psc->sc_memh.memt; sc->sc_chip.sc_memh = psc->sc_memh.memh; am79c930_chip_init(&sc->sc_chip, 1); } sc->sc_enable = awi_pcmcia_enable; sc->sc_disable = awi_pcmcia_disable; /* establish the interrupt. */ psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, awi_intr, sc); if (psc->sc_ih == NULL) { printf("%s: couldn't establish interrupt\n", sc->sc_dev.dv_xname); goto no_interrupt; } sc->sc_cansleep = 1; if (awi_attach(sc) != 0) { printf("%s: failed to attach controller\n", sc->sc_dev.dv_xname); goto attach_failed; } sc->sc_enabled = 0; /* disable device and disestablish the interrupt */ awi_pcmcia_disable(sc); return; attach_failed: pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); no_interrupt: /* Unmap our memory window and space */ if (psc->sc_mem_window != -1) { pcmcia_mem_unmap(psc->sc_pf, psc->sc_mem_window); pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); } /* Unmap our i/o window and space */ pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); /* Disable the function */ pcmcia_function_disable(psc->sc_pf); no_config_entry: psc->sc_io_window = -1; } static int awi_pcmcia_detach(self, flags) struct device *self; int flags; { struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self; int error; if (psc->sc_io_window == -1) /* Nothing to detach. */ return (0); error = awi_detach(&psc->sc_awi); if (error != 0) return (error); /* Unmap our memory window and free memory space */ if (psc->sc_mem_window != -1) { pcmcia_mem_unmap(psc->sc_pf, psc->sc_mem_window); pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); } /* Unmap our i/o window. */ pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); /* Free our i/o space. */ pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); return (0); }