diff options
Diffstat (limited to 'sys/dev/cardbus')
| -rw-r--r-- | sys/dev/cardbus/files.cardbus | 8 | ||||
| -rw-r--r-- | sys/dev/cardbus/if_bcw_cardbus.c | 248 |
2 files changed, 255 insertions, 1 deletions
diff --git a/sys/dev/cardbus/files.cardbus b/sys/dev/cardbus/files.cardbus index 0f4381928d9..11cbc58afd8 100644 --- a/sys/dev/cardbus/files.cardbus +++ b/sys/dev/cardbus/files.cardbus @@ -1,4 +1,4 @@ -# $OpenBSD: files.cardbus,v 1.23 2006/10/15 19:55:47 claudio Exp $ +# $OpenBSD: files.cardbus,v 1.24 2006/11/22 15:12:50 mglocker Exp $ # $NetBSD: files.cardbus,v 1.8 2000/01/26 06:37:24 thorpej Exp $ # # files.cardbus @@ -89,6 +89,12 @@ attach pgt at cardbus with pgt_cardbus file dev/cardbus/if_pgt_cardbus.c pgt_cardbus # +# Broadcom BCM43xx wireless +# +attach bcw at cardbus with bcw_cardbus +file dev/cardbus/if_bcw_cardbus.c bcw_cardbus + +# # EHCI USB controller # attach ehci at cardbus with ehci_cardbus diff --git a/sys/dev/cardbus/if_bcw_cardbus.c b/sys/dev/cardbus/if_bcw_cardbus.c new file mode 100644 index 00000000000..f3e85f85b09 --- /dev/null +++ b/sys/dev/cardbus/if_bcw_cardbus.c @@ -0,0 +1,248 @@ +/* $OpenBSD: if_bcw_cardbus.c,v 1.1 2006/11/22 15:12:50 mglocker Exp $ */ + +/* + * Copyright (c) 2006 Jon Simola <jsimola@gmail.com> + * + * 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. + */ + +/* CardBus attachment for Broadcom BCM43xx 802.11 wireless */ + +#include "bpfilter.h" + +#include <sys/param.h> +#include <sys/mbuf.h> +#include <sys/socket.h> +#include <sys/systm.h> +#include <sys/timeout.h> + +#include <net/if.h> +#include <net/if_media.h> + +#include <netinet/in.h> +#include <netinet/if_ether.h> + +#include <net80211/ieee80211_var.h> +#include <net80211/ieee80211_radiotap.h> + +#include <dev/pci/pcireg.h> +#include <dev/pci/pcivar.h> +#include <dev/pci/pcidevs.h> + +#include <dev/cardbus/cardbusvar.h> + +#include <dev/ic/bcwreg.h> +#include <dev/ic/bcwvar.h> + +struct bcw_cardbus_softc { + struct bcw_softc sc_bcw; + + /* cardbus specific goo */ + cardbus_devfunc_t sc_ct; + cardbustag_t sc_tag; + void *sc_ih; + + bus_size_t sc_mapsize; + pcireg_t sc_bar_val; + int sc_intrline; +}; + +int bcw_cardbus_match(struct device *parent, void *match, void *aux); +void bcw_cardbus_attach(struct device *parent, struct device *self, + void *aux); +int bcw_cardbus_detach(struct device *self, int flags); +void bcw_cardbus_power(struct bcw_softc *sc, int); +void bcw_cardbus_setup(struct bcw_cardbus_softc *csc); +int bcw_cardbus_enable(struct bcw_softc *sc); +void bcw_cardbus_disable(struct bcw_softc *sc); + +struct cfattach bcw_cardbus_ca = { + sizeof (struct bcw_cardbus_softc), bcw_cardbus_match, + bcw_cardbus_attach, bcw_cardbus_detach +}; + +static const struct cardbus_matchid bcw_cardbus_devices[] = { + { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM4303 }, + { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM4306 }, + { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM4306_2 }, + { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM4307 }, + { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM4309 }, + { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM4311 }, + { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM4318 }, + { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM4319 }, + { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM4322 }, + { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM43XG } +}; + +int +bcw_cardbus_match(struct device *parent, void *match, void *aux) +{ + return (cardbus_matchbyid(aux, bcw_cardbus_devices, + sizeof (bcw_cardbus_devices) / sizeof (bcw_cardbus_devices[0]))); +} + +void +bcw_cardbus_attach(struct device *parent, struct device *self, void *aux) +{ + struct bcw_cardbus_softc *csc = (struct bcw_cardbus_softc *)self; + struct cardbus_attach_args *ca = aux; + struct bcw_softc *sc = &csc->sc_bcw; + 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 = bcw_cardbus_enable; + sc->sc_disable = bcw_cardbus_disable; + sc->sc_power = bcw_cardbus_power; + + /* map control/status registers */ + error = Cardbus_mapreg_map(ct, CARDBUS_BASE0_REG, + CARDBUS_MAPREG_TYPE_MEM, 0, &sc->sc_iot, + &sc->sc_ioh, &base, &csc->sc_mapsize); + if (error != 0) { + printf(": could not map 1st memory space\n"); + return; + } + csc->sc_bar_val = base | CARDBUS_MAPREG_TYPE_MEM; + + /* set up the PCI configuration registers */ + bcw_cardbus_setup(csc); + + printf(": irq %d", csc->sc_intrline); + + /* + * Get some cardbus info into the softc + */ + sc->sc_chiprev=PCI_REVISION(ca->ca_class); + sc->sc_prodid=CARDBUS_PRODUCT(ca->ca_id); + +#if 0 + error = bcw_attach(sc); + if (error != 0) + bcw_cardbus_detach(&sc->sc_dev, 0); +#endif + bcw_attach(sc); + + Cardbus_function_disable(ct); +} + +int +bcw_cardbus_detach(struct device *self, int flags) +{ + struct bcw_cardbus_softc *csc = (struct bcw_cardbus_softc *)self; + struct bcw_softc *sc = &csc->sc_bcw; + 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 = bcw_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_iot, + sc->sc_ioh, csc->sc_mapsize); + + return (0); +} + +void +bcw_cardbus_power(struct bcw_softc *sc, int why) +{ + struct bcw_cardbus_softc *csc = (struct bcw_cardbus_softc *)sc; + + if (why == PWR_RESUME) { + /* kick the PCI configuration registers */ + bcw_cardbus_setup(csc); + } +} + +void +bcw_cardbus_setup(struct bcw_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_bar_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 +bcw_cardbus_enable(struct bcw_softc *sc) +{ + struct bcw_cardbus_softc *csc = (struct bcw_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 */ + bcw_cardbus_setup(csc); + + /* map and establish the interrupt handler */ + csc->sc_ih = cardbus_intr_establish(cc, cf, csc->sc_intrline, IPL_NET, + bcw_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 +bcw_cardbus_disable(struct bcw_softc *sc) +{ + struct bcw_cardbus_softc *csc = (struct bcw_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); +} |