/* $NetBSD: if_ep_pcmcia.c,v 1.64 2016/07/07 06:55:42 msaitoh Exp $ */ /*- * Copyright (c) 1998, 2000, 2004 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, and by Charles M. Hannum. * * 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. * * 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 1.64 2016/07/07 06:55:42 msaitoh 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(device_t, cfdata_t, void *); void ep_pcmcia_attach(device_t, device_t, void *); int ep_pcmcia_detach(device_t, int); int ep_pcmcia_get_enaddr(struct pcmcia_tuple *, void *); int ep_pcmcia_enable(struct ep_softc *); void ep_pcmcia_disable(struct ep_softc *); void ep_pcmcia_disable1(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_NEW(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, PCMCIA_CIS_INVALID }, ELINK_CHIPSET_3C509, 0 }, { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C589, PCMCIA_CIS_INVALID }, ELINK_CHIPSET_3C509, 0 }, { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CXEM556, PCMCIA_CIS_INVALID }, ELINK_CHIPSET_3C509, 0 }, { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CXEM556INT, PCMCIA_CIS_INVALID }, ELINK_CHIPSET_3C509, 0 }, { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C574, PCMCIA_CIS_INVALID }, ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CCFEM556BI, PCMCIA_CIS_INVALID }, ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C1, PCMCIA_CIS_INVALID }, ELINK_CHIPSET_3C509, 0 }, }; const size_t ep_pcmcia_nproducts = sizeof(ep_pcmcia_products) / sizeof(ep_pcmcia_products[0]); int ep_pcmcia_match(device_t parent, cfdata_t match, void *aux) { struct pcmcia_attach_args *pa = aux; /* This is to differentiate the serial function of some cards. */ if (pa->pf->function != PCMCIA_FUNCTION_NETWORK) return 0; if (pcmcia_product_lookup(pa, ep_pcmcia_products, ep_pcmcia_nproducts, sizeof(ep_pcmcia_products[0]), NULL)) return 1; return 0; } int ep_pcmcia_enable(struct ep_softc *sc) { struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; struct pcmcia_function *pf = psc->sc_pf; int error; /* establish the interrupt. */ sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc); if (!sc->sc_ih) return EIO; error = pcmcia_function_enable(pf); if (error) { pcmcia_intr_disestablish(pf, sc->sc_ih); sc->sc_ih = 0; return error; } 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 0; } void ep_pcmcia_disable(struct ep_softc *sc) { struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; pcmcia_function_disable(psc->sc_pf); pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); sc->sc_ih = 0; } void ep_pcmcia_attach(device_t parent, device_t self, void *aux) { struct ep_pcmcia_softc *psc = device_private(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; int error; sc->sc_dev = self; psc->sc_pf = pa->pf; SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { if (cfe->num_memspace != 0) continue; if (cfe->num_iospace != 1) continue; 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, cfe->iospace[0].length, &psc->sc_pcioh) == 0) break; } if (i != 0x0380) break; } else { if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start, cfe->iospace[0].length, cfe->iospace[0].length, &psc->sc_pcioh) == 0) break; } } if (!cfe) { aprint_error_dev(self, "failed to allocate I/O space\n"); goto ioalloc_failed; } sc->sc_iot = psc->sc_pcioh.iot; sc->sc_ioh = psc->sc_pcioh.ioh; /* Enable the card. */ pcmcia_function_init(pa->pf, cfe); if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? PCMCIA_WIDTH_AUTO : PCMCIA_WIDTH_IO8), &psc->sc_pcioh, &psc->sc_io_window)) { aprint_error_dev(self, "can't map i/o space\n"); goto iomap_failed; } error = ep_pcmcia_enable(sc); if (error) goto enable_failed; sc->enabled = 1; 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 = pcmcia_product_lookup(pa, ep_pcmcia_products, ep_pcmcia_nproducts, sizeof(ep_pcmcia_products[0]), NULL); if (!epp) 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_dev(self, "couldn't configure controller\n"); sc->enabled = 0; ep_pcmcia_disable(sc); return; enable_failed: pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); iomap_failed: pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); ioalloc_failed: psc->sc_io_window = -1; } int ep_pcmcia_detach(device_t self, int flags) { struct ep_pcmcia_softc *psc = device_private(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(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; }