/* $OpenBSD: if_malo_cardbus.c,v 1.3 2006/10/25 13:57:21 mglocker Exp $ */ /* * Copyright (c) 2006 Claudio Jeker * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "bpfilter.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct malo_cardbus_softc { struct malo_softc sc_malo; /* cardbus specific goo */ cardbus_devfunc_t sc_ct; cardbustag_t sc_tag; void *sc_ih; bus_size_t sc_mapsize1; bus_size_t sc_mapsize2; pcireg_t sc_bar1_val; pcireg_t sc_bar2_val; int sc_intrline; }; int malo_cardbus_match(struct device *parent, void *match, void *aux); void malo_cardbus_attach(struct device *parent, struct device *self, void *aux); int malo_cardbus_detach(struct device *self, int flags); void malo_cardbus_setup(struct malo_cardbus_softc *csc); int malo_cardbus_enable(struct malo_softc *sc); void malo_cardbus_disable(struct malo_softc *sc); struct cfattach malo_cardbus_ca = { sizeof (struct malo_cardbus_softc), malo_cardbus_match, malo_cardbus_attach, malo_cardbus_detach }; static const struct cardbus_matchid malo_cardbus_devices[] = { { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8335_1 }, { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8335_2 } }; int malo_cardbus_match(struct device *parent, void *match, void *aux) { return (cardbus_matchbyid(aux, malo_cardbus_devices, sizeof (malo_cardbus_devices) / sizeof (malo_cardbus_devices[0]))); } void malo_cardbus_attach(struct device *parent, struct device *self, void *aux) { struct malo_cardbus_softc *csc = (struct malo_cardbus_softc *)self; struct cardbus_attach_args *ca = aux; struct malo_softc *sc = &csc->sc_malo; cardbus_devfunc_t ct = ca->ca_ct; bus_addr_t base; int error; sc->sc_dmat = ca->ca_dmat; csc->sc_ct = ct; csc->sc_tag = ca->ca_tag; csc->sc_intrline = ca->ca_intrline; /* power management hooks */ sc->sc_enable = malo_cardbus_enable; sc->sc_disable = malo_cardbus_disable; #if 0 sc->sc_power = malo_cardbus_power; #endif /* map control/status registers */ error = Cardbus_mapreg_map(ct, CARDBUS_BASE0_REG, CARDBUS_MAPREG_TYPE_MEM, 0, &sc->sc_mem1_bt, &sc->sc_mem1_bh, &base, &csc->sc_mapsize1); if (error != 0) { printf(": could not map 1st memory space\n"); return; } csc->sc_bar1_val = base | CARDBUS_MAPREG_TYPE_MEM; /* map control/status registers */ error = Cardbus_mapreg_map(ct, CARDBUS_BASE1_REG, CARDBUS_MAPREG_TYPE_MEM, 0, &sc->sc_mem2_bt, &sc->sc_mem2_bh, &base, &csc->sc_mapsize2); if (error != 0) { printf(": could not map 2nd memory space\n"); Cardbus_mapreg_unmap(ct, CARDBUS_BASE0_REG, sc->sc_mem1_bt, sc->sc_mem1_bh, csc->sc_mapsize1); return; } csc->sc_bar2_val = base | CARDBUS_MAPREG_TYPE_MEM; /* set up the PCI configuration registers */ malo_cardbus_setup(csc); printf(": irq %d", csc->sc_intrline); error = malo_attach(sc); if (error != 0) malo_cardbus_detach(&sc->sc_dev, 0); Cardbus_function_disable(ct); } int malo_cardbus_detach(struct device *self, int flags) { struct malo_cardbus_softc *csc = (struct malo_cardbus_softc *)self; struct malo_softc *sc = &csc->sc_malo; cardbus_devfunc_t ct = csc->sc_ct; cardbus_chipset_tag_t cc = ct->ct_cc; cardbus_function_tag_t cf = ct->ct_cf; int error; error = malo_detach(sc); if (error != 0) return (error); /* unhook the interrupt handler */ if (csc->sc_ih != NULL) { cardbus_intr_disestablish(cc, cf, csc->sc_ih); csc->sc_ih = NULL; } /* release bus space and close window */ Cardbus_mapreg_unmap(ct, CARDBUS_BASE0_REG, sc->sc_mem1_bt, sc->sc_mem1_bh, csc->sc_mapsize1); Cardbus_mapreg_unmap(ct, CARDBUS_BASE1_REG, sc->sc_mem2_bt, sc->sc_mem2_bh, csc->sc_mapsize2); return (0); } void malo_cardbus_setup(struct malo_cardbus_softc *csc) { cardbus_devfunc_t ct = csc->sc_ct; cardbus_chipset_tag_t cc = ct->ct_cc; cardbus_function_tag_t cf = ct->ct_cf; pcireg_t reg; /* program the BAR */ cardbus_conf_write(cc, cf, csc->sc_tag, CARDBUS_BASE0_REG, csc->sc_bar1_val); cardbus_conf_write(cc, cf, csc->sc_tag, CARDBUS_BASE1_REG, csc->sc_bar2_val); /* make sure the right access type is on the cardbus bridge */ (*cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE); (*cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); /* enable the appropriate bits in the PCI CSR */ reg = cardbus_conf_read(cc, cf, csc->sc_tag, CARDBUS_COMMAND_STATUS_REG); reg |= CARDBUS_COMMAND_MASTER_ENABLE | CARDBUS_COMMAND_MEM_ENABLE; cardbus_conf_write(cc, cf, csc->sc_tag, CARDBUS_COMMAND_STATUS_REG, reg); } int malo_cardbus_enable(struct malo_softc *sc) { struct malo_cardbus_softc *csc = (struct malo_cardbus_softc *)sc; cardbus_devfunc_t ct = csc->sc_ct; cardbus_chipset_tag_t cc = ct->ct_cc; cardbus_function_tag_t cf = ct->ct_cf; /* power on the socket */ Cardbus_function_enable(ct); /* setup the PCI configuration registers */ malo_cardbus_setup(csc); /* map and establish the interrupt handler */ csc->sc_ih = cardbus_intr_establish(cc, cf, csc->sc_intrline, IPL_NET, malo_intr, sc, sc->sc_dev.dv_xname); if (csc->sc_ih == NULL) { printf("%s: could not establish interrupt at %d\n", sc->sc_dev.dv_xname, csc->sc_intrline); Cardbus_function_disable(ct); return (1); } return (0); } void malo_cardbus_disable(struct malo_softc *sc) { struct malo_cardbus_softc *csc = (struct malo_cardbus_softc *)sc; cardbus_devfunc_t ct = csc->sc_ct; cardbus_chipset_tag_t cc = ct->ct_cc; cardbus_function_tag_t cf = ct->ct_cf; /* unhook the interrupt handler */ cardbus_intr_disestablish(cc, cf, csc->sc_ih); csc->sc_ih = NULL; /* power down the socket */ Cardbus_function_disable(ct); }