/* $NetBSD: com_pcmcia.c,v 1.61 2009/11/23 02:13:47 rmind Exp $ */ /*- * Copyright (c) 1998, 2004 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * 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) 1991 The Regents of the University of California. * 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. Neither the name of the University 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 REGENTS 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 REGENTS 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. * * @(#)com.c 7.5 (Berkeley) 5/16/91 */ #include __KERNEL_RCSID(0, "$NetBSD: com_pcmcia.c,v 1.61 2009/11/23 02:13:47 rmind Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include int com_pcmcia_match(device_t, cfdata_t , void *); int com_pcmcia_validate_config(struct pcmcia_config_entry *); void com_pcmcia_attach(device_t, device_t, void *); int com_pcmcia_detach(device_t, int); int com_pcmcia_enable(struct com_softc *); void com_pcmcia_disable(struct com_softc *); struct com_pcmcia_softc { struct com_softc sc_com; /* real "com" softc */ /* PCMCIA-specific goo */ struct pcmcia_function *sc_pf; /* our PCMCIA function */ void *sc_ih; /* interrupt handler */ int sc_attached; }; CFATTACH_DECL_NEW(com_pcmcia, sizeof(struct com_pcmcia_softc), com_pcmcia_match, com_pcmcia_attach, com_pcmcia_detach, NULL); static const struct pcmcia_product com_pcmcia_products[] = { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, PCMCIA_CIS_MEGAHERTZ_XJ2288 }, { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_BLUETOOTH_PCCARD, PCMCIA_CIS_INVALID }, }; static const size_t com_pcmcia_nproducts = sizeof(com_pcmcia_products) / sizeof(com_pcmcia_products[0]); int com_pcmcia_match(device_t parent, cfdata_t match, void *aux) { int comportmask; struct pcmcia_attach_args *pa = aux; struct pcmcia_config_entry *cfe; /* 1. Does it claim to be a serial device? */ if (pa->pf->function == PCMCIA_FUNCTION_SERIAL) return 1; /* 2. Does it have all four 'standard' port ranges? */ comportmask = 0; SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { switch (cfe->iospace[0].start) { case IO_COM1: comportmask |= 1; break; case IO_COM2: comportmask |= 2; break; case IO_COM3: comportmask |= 4; break; case IO_COM4: comportmask |= 8; break; } } if (comportmask == 15) return 1; /* 3. Is this a card we know about? */ if (pcmcia_product_lookup(pa, com_pcmcia_products, com_pcmcia_nproducts, sizeof(com_pcmcia_products[0]), NULL)) return 1; return 0; } int com_pcmcia_validate_config(struct pcmcia_config_entry *cfe) { if (cfe->iftype != PCMCIA_IFTYPE_IO || cfe->num_iospace != 1) return (EINVAL); /* Some cards have a memory space, but we don't use it. */ cfe->num_memspace = 0; return (0); } void com_pcmcia_attach(device_t parent, device_t self, void *aux) { struct com_pcmcia_softc *psc = device_private(self); struct com_softc *sc = &psc->sc_com; struct pcmcia_attach_args *pa = aux; struct pcmcia_config_entry *cfe; int error; sc->sc_dev = self; psc->sc_pf = pa->pf; error = pcmcia_function_configure(pa->pf, com_pcmcia_validate_config); if (error) { aprint_error_dev(self, "configure failed, error=%d\n", error); return; } cfe = pa->pf->cfe; COM_INIT_REGS(sc->sc_regs, cfe->iospace[0].handle.iot, cfe->iospace[0].handle.ioh, -1); error = com_pcmcia_enable(sc); if (error) goto fail; sc->enabled = 1; sc->sc_frequency = COM_FREQ; sc->enable = com_pcmcia_enable; sc->disable = com_pcmcia_disable; aprint_normal("%s", device_xname(self)); com_attach_subr(sc); if (!pmf_device_register1(self, com_suspend, com_resume, com_cleanup)) aprint_error_dev(self, "couldn't establish power handler\n"); sc->enabled = 0; psc->sc_attached = 1; com_pcmcia_disable(sc); return; fail: pcmcia_function_unconfigure(pa->pf); } int com_pcmcia_detach(device_t self, int flags) { struct com_pcmcia_softc *psc = device_private(self); int error; if (!psc->sc_attached) return (0); if ((error = com_detach(self, flags)) != 0) return error; pmf_device_deregister(self); pcmcia_function_unconfigure(psc->sc_pf); return (0); } int com_pcmcia_enable(struct com_softc *sc) { struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc; struct pcmcia_function *pf = psc->sc_pf; int error; /* establish the interrupt. */ psc->sc_ih = pcmcia_intr_establish(pf, IPL_SERIAL, comintr, sc); if (psc->sc_ih == NULL) { aprint_error_dev(sc->sc_dev, "couldn't establish interrupt\n"); return (1); } if ((error = pcmcia_function_enable(pf)) != 0) { pcmcia_intr_disestablish(pf, psc->sc_ih); psc->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 ethernet-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 com_pcmcia_disable(struct com_softc *sc) { struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc; pcmcia_function_disable(psc->sc_pf); pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); psc->sc_ih = 0; }