/* $OpenBSD: if_rl2_pcmcia.c,v 1.2 1999/06/23 04:48:49 d Exp $ */ /* * David Leonard , 1999. Public domain. * * Proxim RangeLAN2 PC-Card and compatibles */ #include #include #include #include #include #include #ifdef INET #include #include #endif #include #include #include #include #include #include #include #include struct rl2_pcmcia_softc { struct rl2_softc sc_rl2; /* real "rl2" softc */ struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o information */ int sc_io_window; /* i/o window for the card */ struct pcmcia_function *sc_pf; /* our PCMCIA function */ void *sc_ih; /* our interrupt handle */ }; static int rl2_pcmcia_match __P((struct device *, void *, void *)); static struct rl2_pcmcia_product * rl2_pcmcia_product_lookup __P(( struct pcmcia_attach_args *)); static void rl2_pcmcia_attach __P((struct device *, struct device *, void *)); static int rl2intr_pcmcia __P((void *arg)); #ifdef notyet static int rl2_pcmcia_enable __P((struct rl2_softc *)); static void rl2_pcmcia_disable __P((struct rl2_softc *)); #endif struct cfattach rln_pcmcia_ca = { sizeof(struct rl2_pcmcia_softc), rl2_pcmcia_match, rl2_pcmcia_attach }; /* Apparently this is the "7200 PC card"? */ #define PCMCIA_CIS_RANGELAN2 { "PROXIM", "LAN CARD", "RANGELAN2", NULL } static struct rl2_pcmcia_product { u_int32_t manufacturer; u_int32_t product; const char *name; u_int8_t flags; } rl2_pcmcia_products[] = { { 0x0126, /* Digital */ 0x1058, /* RoamAbout 2400 FH */ "Digital RoamAbout 2400 FH", 0 }, { 0x8a01, /* AMP */ 0x0066, /* Wireless */ "AMP Wireless", 0 }, { 0, 0, "unknown RangeLAN2 wireless network card", 0 }, }; /* Match the product and manufacturer codes with known card types */ static struct rl2_pcmcia_product * rl2_pcmcia_product_lookup(pa) struct pcmcia_attach_args *pa; { struct rl2_pcmcia_product *rpp; for (rpp = rl2_pcmcia_products; rpp->manufacturer && rpp->product; rpp++) if (pa->manufacturer == rpp->manufacturer && pa->product == rpp->product) break; return (rpp); } /* Match card CIS info string with RangeLAN2 cards */ static int rl2_pcmcia_match(parent, match, aux) struct device *parent; void *match, *aux; { struct pcmcia_attach_args *pa = aux; const char *cis1_info[4] = PCMCIA_CIS_RANGELAN2; int i; for (i = 0; i < 4; i++) if (cis1_info[i] && strcmp(cis1_info[i], pa->card->cis1_info[i]) != 0) return (0); return (1); } /* Attach and configure */ static void rl2_pcmcia_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct rl2_pcmcia_softc *psc = (void *) self; struct rl2_softc *sc = &psc->sc_rl2; struct pcmcia_attach_args *pa = aux; struct pcmcia_config_entry *cfe; struct rl2_pcmcia_product *rpp; #ifdef RL2DEBUG /* Allowed i/o base addresses from the RoamAbout owner's manual */ int i; static bus_addr_t iobases[] = { 0x270, /* useful in user-space debugging */ 0x100, 0x120, 0x140, 0x218, 0x270, 0x280, 0x290, 0x298, 0x2a0, 0x2a8, 0x2e0, 0x300, 0x310, 0x358, 0x360, 0x368, 0 }; #endif psc->sc_pf = pa->pf; cfe = psc->sc_pf->cfe_head.sqh_first; /* Guess the transfer width we will be using */ if (cfe->flags & PCMCIA_CFE_IO16) sc->sc_width = 16; else if (cfe->flags & PCMCIA_CFE_IO8) sc->sc_width = 8; else sc->sc_width = 0; #ifdef DIAGNOSTIC /* We only expect one i/o region and no memory region */ if (cfe->num_memspace != 0) printf(": unexpected number of memory spaces (%d)\n", cfe->num_memspace); if (cfe->num_iospace != 1) printf(": unexpected number of i/o spaces (%d)\n", cfe->num_iospace); else if (cfe->iospace[0].length != RL2_NPORTS) printf(": unexpected size of i/o space (0x%x)\n", cfe->iospace[0].length); if (sc->sc_width == 0) printf(": unknown bus width\n"); #endif /* DIAGNOSTIC */ pcmcia_function_init(psc->sc_pf, cfe); /* Allocate i/o space */ #ifdef RL2DEBUG /* Try only those ports from the manual */ for (i=0; iobases[i] != 0; i++) if (pcmcia_io_alloc(psc->sc_pf, iobases[i], RL2_NPORTS, RL2_NPORTS, &psc->sc_pcioh) == 0) break; if (iobases[i] == 0) { #else if (pcmcia_io_alloc(psc->sc_pf, 0, RL2_NPORTS, RL2_NPORTS, &psc->sc_pcioh)) { #endif printf(": can't alloc i/o space\n"); return; } sc->sc_iot = psc->sc_pcioh.iot; sc->sc_ioh = psc->sc_pcioh.ioh; /* Map i/o space */ if (pcmcia_io_map(psc->sc_pf, ((sc->sc_width == 8) ? PCMCIA_WIDTH_IO8 : (sc->sc_width == 16) ? PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_AUTO), 0, RL2_NPORTS, &psc->sc_pcioh, &psc->sc_io_window)) { printf(": can't map i/o space\n"); return; } /* Enable the card */ if (pcmcia_function_enable(psc->sc_pf)) { printf(": function enable failed\n"); return; } #ifdef notyet sc->enable = rl2_pcmcia_enable; sc->disable = rl2_pcmcia_disable; #endif rpp = rl2_pcmcia_product_lookup(pa); /* Check if the device has a separate antenna module */ sc->sc_cardtype = 0; switch (psc->sc_pf->ccr_base) { case 0x0100: sc->sc_cardtype |= RL2_CTYPE_ONE_PIECE; break; case 0x0800: sc->sc_cardtype &= ~RL2_CTYPE_ONE_PIECE; break; #ifdef DIAGNOSTIC default: printf("\n%s: cannot tell if one or two piece (ccr addr %x)\n", sc->sc_dev.dv_xname, psc->sc_pf->ccr_base); #endif } /* The PC-card needs to be told to use 'irq' 15 */ sc->sc_irq = 15; /* * We need to get an interrupt before configuring, since * polling registers (the alternative) to reading card * responses, causes hard lock-ups. */ printf("\n"); sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, rl2intr_pcmcia, sc); if (sc->sc_ih == NULL) printf("%s: couldn't establish interrupt\n", sc->sc_dev.dv_xname); printf("%s: %s", sc->sc_dev.dv_xname, rpp->name); rl2config(sc); printf("\n"); } /* Interrupt handler */ static int rl2intr_pcmcia(arg) void *arg; { struct rl2_softc *sc = (struct rl2_softc *)arg; struct rl2_pcmcia_softc *psc = (struct rl2_pcmcia_softc *)sc; int opt; int ret; /* Need to immediately read/write the option register for PC-card */ opt = pcmcia_ccr_read(psc->sc_pf, PCMCIA_CCR_OPTION); pcmcia_ccr_write(psc->sc_pf, PCMCIA_CCR_OPTION, opt); /* Call actual interrupt handler */ ret = rl2intr(arg); return (ret); } #ifdef notyet static int rl2_pcmcia_enable(sc) struct rl2_softc *sc; { struct rl2_pcmcia_softc *psc = (struct rl2_pcmcia_softc *) sc; struct pcmcia_function *pf = psc->sc_pf; /* Establish the interrupt */ sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, rl2intr_pcmcia, sc); if (sc->sc_ih == NULL) { printf("%s: couldn't establish interrupt\n", sc->sc_dev.dv_xname); return (1); } return (pcmcia_function_enable(pf)); } static void rl2_pcmcia_disable(sc) struct rl2_softc *sc; { struct rl2_pcmcia_softc *psc = (struct rl2_pcmcia_softc *) sc; pcmcia_function_disable(psc->sc_pf); pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); } #endif