/* $NetBSD: if_ep_pcmcia.c,v 1.42 2004/07/07 18:57:00 mycroft Exp $ */ /*- * Copyright (c) 1998, 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * 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. */ /* * Copyright (c) 1997 Marc Horowitz. All rights reserved. * * 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 Marc Horowitz. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ #include __KERNEL_RCSID(0, "$NetBSD: if_ep_pcmcia.c,v 1.42 2004/07/07 18:57:00 mycroft Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include int ep_pcmcia_match __P((struct device *, struct cfdata *, void *)); void ep_pcmcia_attach __P((struct device *, struct device *, void *)); int ep_pcmcia_detach __P((struct device *, int)); int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *)); int ep_pcmcia_enable __P((struct ep_softc *)); void ep_pcmcia_disable __P((struct ep_softc *)); int ep_pcmcia_enable1 __P((struct ep_softc *)); void ep_pcmcia_disable1 __P((struct ep_softc *)); struct ep_pcmcia_softc { struct ep_softc sc_ep; /* real "ep" softc */ /* PCMCIA-specific goo */ struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ int sc_io_window; /* our i/o window */ struct pcmcia_function *sc_pf; /* our PCMCIA function */ }; CFATTACH_DECL(ep_pcmcia, sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach, ep_pcmcia_detach, ep_activate); const struct ep_pcmcia_product { struct pcmcia_product epp_product; u_short epp_chipset; /* 3Com chipset used */ int epp_flags; /* initial softc flags */ } ep_pcmcia_products[] = { { { "", PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C562, 0 }, ELINK_CHIPSET_3C509, 0 }, { { "", PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C589, 0 }, ELINK_CHIPSET_3C509, 0 }, { { "", PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CXEM556, 0 }, ELINK_CHIPSET_3C509, 0 }, { { "", PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CXEM556INT, 0 }, ELINK_CHIPSET_3C509, 0 }, { { "", PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C574, 0 }, ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, { { "", PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CCFEM556BI, 0 }, ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, { { "", PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C1, 0 }, ELINK_CHIPSET_3C509, 0 }, { { NULL } } }; int ep_pcmcia_match(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { struct pcmcia_attach_args *pa = aux; if (pcmcia_product_lookup(pa, (const struct pcmcia_product *)ep_pcmcia_products, sizeof ep_pcmcia_products[0], NULL) != NULL) return (1); return (0); } int ep_pcmcia_enable(sc) struct ep_softc *sc; { struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; struct pcmcia_function *pf = psc->sc_pf; int error; if ((error = ep_pcmcia_enable1(sc)) != 0) return error; /* establish the interrupt. */ sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc); if (sc->sc_ih == NULL) { printf("%s: couldn't establish interrupt\n", sc->sc_dev.dv_xname); ep_pcmcia_disable1(sc); return (1); } return 0; } int ep_pcmcia_enable1(sc) struct ep_softc *sc; { struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; struct pcmcia_function *pf = psc->sc_pf; int ret; if ((ret = pcmcia_function_enable(pf))) return (ret); if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { int reg; /* turn off the serial-disable bit */ reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); if (reg & 0x08) { reg &= ~0x08; pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); } } return (ret); } void ep_pcmcia_disable(sc) struct ep_softc *sc; { struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; /* * We must disestablish the interrupt before disabling the function, * because on a multifunction card the interrupt disestablishment * accesses CCR registers. */ pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); ep_pcmcia_disable1(sc); } void ep_pcmcia_disable1(sc) struct ep_softc *sc; { struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; pcmcia_function_disable(psc->sc_pf); } void ep_pcmcia_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct ep_pcmcia_softc *psc = (void *) self; struct ep_softc *sc = &psc->sc_ep; struct pcmcia_attach_args *pa = aux; struct pcmcia_config_entry *cfe; const struct ep_pcmcia_product *epp; u_int8_t myla[ETHER_ADDR_LEN]; u_int8_t *enaddr = NULL; int i; aprint_normal("\n"); psc->sc_pf = pa->pf; cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); /* Enable the card. */ pcmcia_function_init(pa->pf, cfe); if (ep_pcmcia_enable1(sc)) { aprint_error("%s: function enable failed\n", self->dv_xname); goto enable_failed; } sc->enabled = 1; if (cfe->num_memspace != 0) { aprint_error("%s: unexpected number of memory spaces %d should be 0\n", self->dv_xname, cfe->num_memspace); goto ioalloc_failed; } if (cfe->num_iospace != 1) { aprint_error("%s: unexpected number of I/O spaces %d should be 1\n", self->dv_xname, cfe->num_iospace); goto ioalloc_failed; } if (pa->product == PCMCIA_PRODUCT_3COM_3C562) { /* * the 3c562 can only use 0x??00-0x??7f * according to the Linux driver */ /* * 3c562 i/o may decodes address line not only A0-3 * but also A7. Anyway, we must sweep at most * [0x0000, 0x0100). The address higher is given by a * pcmcia bridge. But pcmcia bus-space allocation * function implies cards will decode 10-bit address * line. So we must search [0x0000, 0x0400). * * XXX: We must not check the bunch of I/O space range * [0x400*n, 0x300 + 0x400*n) because they are * reserved for legacy ISA devices and their alias * images on PC/AT architecture. */ for (i = 0x0300; i < 0x0380; i += 0x10) { if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length, 0, &psc->sc_pcioh) == 0) break; } if (i == 0x0380) { aprint_error("%s: can't allocate i/o space\n", self->dv_xname); goto ioalloc_failed; } } else { if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length, cfe->iospace[0].length, &psc->sc_pcioh)) { aprint_error("%s: can't allocate i/o space\n", self->dv_xname); goto ioalloc_failed; } } sc->sc_iot = psc->sc_pcioh.iot; sc->sc_ioh = psc->sc_pcioh.ioh; if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length, &psc->sc_pcioh, &psc->sc_io_window)) { aprint_error("%s: can't map i/o space\n", self->dv_xname); goto iomap_failed; } switch (pa->product) { case PCMCIA_PRODUCT_3COM_3C562: /* * 3c562a-c use this; 3c562d does it in the regular way. * we might want to check the revision and produce a warning * in the future. */ /* FALLTHROUGH */ case PCMCIA_PRODUCT_3COM_3C574: case PCMCIA_PRODUCT_3COM_3CCFEM556BI: /* * Apparently, some 3c574s do it this way, as well. */ if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) enaddr = myla; break; } epp = (const struct ep_pcmcia_product *)pcmcia_product_lookup(pa, (const struct pcmcia_product *)ep_pcmcia_products, sizeof ep_pcmcia_products[0], NULL); if (epp == NULL) panic("ep_pcmcia_attach: impossible"); sc->bustype = ELINK_BUS_PCMCIA; sc->ep_flags = epp->epp_flags; sc->enable = ep_pcmcia_enable; sc->disable = ep_pcmcia_disable; if (epconfig(sc, epp->epp_chipset, enaddr)) { aprint_error("%s: couldn't configure controller\n", self->dv_xname); goto config_failed; } sc->enabled = 0; ep_pcmcia_disable1(sc); return; config_failed: /* Unmap our i/o window. */ pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); iomap_failed: /* Free our i/o space. */ pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); ioalloc_failed: sc->enabled = 0; ep_pcmcia_disable1(sc); enable_failed: psc->sc_io_window = -1; } int ep_pcmcia_detach(self, flags) struct device *self; int flags; { struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *)self; int rv; if (psc->sc_io_window == -1) /* Nothing to detach. */ return (0); rv = ep_detach(self, flags); if (rv != 0) return (rv); /* 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); } int ep_pcmcia_get_enaddr(tuple, arg) struct pcmcia_tuple *tuple; void *arg; { u_int8_t *myla = arg; int i; /* this is 3c562a-c magic */ if (tuple->code == 0x88) { if (tuple->length < ETHER_ADDR_LEN) return (0); for (i = 0; i < ETHER_ADDR_LEN; i += 2) { myla[i] = pcmcia_tuple_read_1(tuple, i + 1); myla[i + 1] = pcmcia_tuple_read_1(tuple, i); } return (1); } return (0); }