270 lines
7.2 KiB
C
270 lines
7.2 KiB
C
/* $NetBSD: if_sm_pcmcia.c,v 1.54 2009/05/12 14:42:18 cegger Exp $ */
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/*-
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* Copyright (c) 1997, 1998, 2000, 2004 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center, and by Charles M. Hannum.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_sm_pcmcia.c,v 1.54 2009/05/12 14:42:18 cegger Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <sys/errno.h>
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#include <sys/syslog.h>
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#include <sys/select.h>
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#include <sys/device.h>
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
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#include <sys/intr.h>
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#include <sys/bus.h>
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#include <dev/mii/mii.h>
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#include <dev/mii/miivar.h>
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#include <dev/ic/smc91cxxreg.h>
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#include <dev/ic/smc91cxxvar.h>
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#include <dev/pcmcia/pcmciareg.h>
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#include <dev/pcmcia/pcmciavar.h>
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#include <dev/pcmcia/pcmciadevs.h>
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int sm_pcmcia_match(device_t, cfdata_t, void *);
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int sm_pcmcia_validate_config(struct pcmcia_config_entry *);
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void sm_pcmcia_attach(device_t, device_t, void *);
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int sm_pcmcia_detach(device_t, int);
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struct sm_pcmcia_softc {
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struct smc91cxx_softc sc_smc; /* real "smc" softc */
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struct pcmcia_function *sc_pf; /* our PCMCIA function */
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void *sc_ih; /* interrupt cookie */
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int sc_state;
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#define SM_PCMCIA_ATTACHED 3
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};
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CFATTACH_DECL(sm_pcmcia, sizeof(struct sm_pcmcia_softc),
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sm_pcmcia_match, sm_pcmcia_attach, sm_pcmcia_detach, smc91cxx_activate);
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int sm_pcmcia_enable(struct smc91cxx_softc *);
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void sm_pcmcia_disable(struct smc91cxx_softc *);
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int sm_pcmcia_ascii_enaddr(const char *, u_int8_t *);
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const struct pcmcia_product sm_pcmcia_products[] = {
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{ PCMCIA_VENDOR_MEGAHERTZ2, PCMCIA_PRODUCT_MEGAHERTZ2_EM1144,
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PCMCIA_CIS_INVALID },
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{ PCMCIA_VENDOR_MEGAHERTZ2, PCMCIA_PRODUCT_MEGAHERTZ2_XJACK,
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PCMCIA_CIS_INVALID },
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{ PCMCIA_VENDOR_NEWMEDIA, PCMCIA_PRODUCT_NEWMEDIA_BASICS,
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PCMCIA_CIS_INVALID },
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#if 0
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{ PCMCIA_VENDOR_SMC, PCMCIA_PRODUCT_SMC_8020BT,
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PCMCIA_CIS_INVALID },
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#endif
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{ PCMCIA_VENDOR_PSION, PCMCIA_PRODUCT_PSION_GOLDCARD,
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PCMCIA_CIS_INVALID },
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};
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const size_t sm_pcmcia_nproducts =
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sizeof(sm_pcmcia_products) / sizeof(sm_pcmcia_products[0]);
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int
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sm_pcmcia_match(device_t parent, cfdata_t match,
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void *aux)
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{
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struct pcmcia_attach_args *pa = aux;
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/* This is to differentiate the serial function of some cards. */
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if (pa->pf->function != PCMCIA_FUNCTION_NETWORK)
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return (0);
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if (pcmcia_product_lookup(pa, sm_pcmcia_products, sm_pcmcia_nproducts,
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sizeof(sm_pcmcia_products[0]), NULL))
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return (1);
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return (0);
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}
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int
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sm_pcmcia_validate_config(struct pcmcia_config_entry *cfe)
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{
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if (cfe->iftype != PCMCIA_IFTYPE_IO ||
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cfe->num_memspace != 0 ||
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cfe->num_iospace != 1 ||
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cfe->iospace[0].length < SMC_IOSIZE)
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return (EINVAL);
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return (0);
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}
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void
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sm_pcmcia_attach(device_t parent, device_t self, void *aux)
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{
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struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
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struct smc91cxx_softc *sc = &psc->sc_smc;
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struct pcmcia_attach_args *pa = aux;
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struct pcmcia_config_entry *cfe;
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u_int8_t enaddr[ETHER_ADDR_LEN];
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int error;
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psc->sc_pf = pa->pf;
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error = pcmcia_function_configure(pa->pf, sm_pcmcia_validate_config);
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if (error) {
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aprint_error_dev(self, "configure failed, error=%d\n",
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error);
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return;
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}
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cfe = pa->pf->cfe;
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sc->sc_bst = cfe->iospace[0].handle.iot;
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sc->sc_bsh = cfe->iospace[0].handle.ioh;
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error = sm_pcmcia_enable(sc);
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if (error)
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goto fail;
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sc->sc_enable = sm_pcmcia_enable;
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sc->sc_disable = sm_pcmcia_disable;
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/*
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* First try to get the Ethernet address from FUNCE/LANNID tuple.
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* If that fails, try one of the CIS info strings.
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*/
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if (pa->pf->pf_funce_lan_nidlen == ETHER_ADDR_LEN) {
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memcpy(enaddr, pa->pf->pf_funce_lan_nid, ETHER_ADDR_LEN);
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} else {
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if (!sm_pcmcia_ascii_enaddr(pa->pf->sc->card.cis1_info[3], enaddr) &&
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!sm_pcmcia_ascii_enaddr(pa->pf->sc->card.cis1_info[2], enaddr))
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aprint_error_dev(self, "unable to get Ethernet address\n");
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}
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/* Perform generic intialization. */
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smc91cxx_attach(sc, enaddr);
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psc->sc_state = SM_PCMCIA_ATTACHED;
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sm_pcmcia_disable(sc);
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return;
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fail:
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pcmcia_function_unconfigure(pa->pf);
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}
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int
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sm_pcmcia_detach(device_t self, int flags)
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{
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struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
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int error;
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if (psc->sc_state != SM_PCMCIA_ATTACHED)
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return (0);
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error = smc91cxx_detach((device_t)&psc->sc_smc, flags);
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if (error)
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return (error);
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pcmcia_function_unconfigure(psc->sc_pf);
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return (0);
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}
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int
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sm_pcmcia_ascii_enaddr(const char *cisstr, u_int8_t *myla)
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{
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u_int8_t digit;
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int i;
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/* No CIS string. */
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if (cisstr == 0)
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return (0);
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memset(myla, 0, ETHER_ADDR_LEN);
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for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) {
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if (cisstr[i] >= '0' && cisstr[i] <= '9')
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digit |= cisstr[i] - '0';
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else if (cisstr[i] >= 'a' && cisstr[i] <= 'f')
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digit |= (cisstr[i] - 'a') + 10;
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else if (cisstr[i] >= 'A' && cisstr[i] <= 'F')
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digit |= (cisstr[i] - 'A') + 10;
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else {
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/* Bogus digit!! */
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return (0);
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}
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/* Compensate for ordering of digits. */
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if (i & 1) {
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myla[i >> 1] = digit;
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digit = 0;
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} else
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digit <<= 4;
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}
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return (1);
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}
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int
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sm_pcmcia_enable(struct smc91cxx_softc *sc)
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{
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struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
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int error;
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/* Establish the interrupt handler. */
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psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr,
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sc);
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if (!psc->sc_ih)
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return (EIO);
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error = pcmcia_function_enable(psc->sc_pf);
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if (error) {
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pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
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psc->sc_ih = 0;
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}
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return (error);
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}
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void
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sm_pcmcia_disable(struct smc91cxx_softc *sc)
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{
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struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
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pcmcia_function_disable(psc->sc_pf);
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pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
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psc->sc_ih = 0;
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}
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