diff options
Diffstat (limited to 'sys/dev/pci/if_acx_pci.c')
| -rw-r--r-- | sys/dev/pci/if_acx_pci.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/sys/dev/pci/if_acx_pci.c b/sys/dev/pci/if_acx_pci.c new file mode 100644 index 00000000000..f8cfec1697d --- /dev/null +++ b/sys/dev/pci/if_acx_pci.c @@ -0,0 +1,189 @@ +/* $OpenBSD: if_acx_pci.c,v 1.1 2006/08/03 08:45:03 deraadt Exp $ */ + +/*- + * Copyright (c) 2006 Theo de Raadt <deraadt@openbsd.org> + * Copyright (c) 2005, 2006 + * Damien Bergamini <damien.bergamini@free.fr> + * + * 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. + */ + +/* + * PCI front-end for the ACX100/111 + */ + +#include "bpfilter.h" + +#include <sys/param.h> +#include <sys/sockio.h> +#include <sys/mbuf.h> +#include <sys/kernel.h> +#include <sys/socket.h> +#include <sys/systm.h> +#include <sys/malloc.h> +#include <sys/timeout.h> +#include <sys/device.h> + +#include <machine/bus.h> +#include <machine/intr.h> + +#include <net/if.h> +#include <net/if_dl.h> +#include <net/if_media.h> + +#include <netinet/in.h> +#include <netinet/if_ether.h> + +#include <net80211/ieee80211_var.h> +#include <net80211/ieee80211_rssadapt.h> +#include <net80211/ieee80211_radiotap.h> + +#include <dev/ic/acxvar.h> +#include <dev/ic/acxreg.h> + +#include <dev/pci/pcireg.h> +#include <dev/pci/pcivar.h> +#include <dev/pci/pcidevs.h> + +struct acx_pci_softc { + struct acx_softc sc_acx; + + /* PCI specific goo */ + struct acx_opns *sc_opns; + pci_chipset_tag_t sc_pc; + void *sc_ih; + bus_size_t sc_mapsize1; + bus_size_t sc_mapsize2; + pcireg_t sc_iobar_val; /* acx100 only */ + pcireg_t sc_bar1_val; + pcireg_t sc_bar2_val; + int sc_intrline; + + /* hack for ACX100A */ + bus_space_tag_t sc_io_bt; + bus_space_handle_t sc_io_bh; + bus_size_t sc_iomapsize; +}; + +/* Base Address Register */ +#define ACX_PCI_BAR0 0x10 +#define ACX_PCI_BAR1 0x14 +#define ACX_PCI_BAR2 0x18 + +int acx_pci_match(struct device *, void *, void *); +void acx_pci_attach(struct device *, struct device *, void *); +int acx_pci_detach(struct device *, int); + +struct cfattach acx_pci_ca = { + sizeof (struct acx_pci_softc), acx_pci_match, acx_pci_attach, + acx_pci_detach +}; + +const struct pci_matchid acx_pci_devices[] = { + { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100A }, + { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100B }, + { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX111 } +}; + +int +acx_pci_match(struct device *parent, void *match, void *aux) +{ + return (pci_matchbyid((struct pci_attach_args *)aux, acx_pci_devices, + sizeof (acx_pci_devices) / sizeof (acx_pci_devices[0]))); +} + +void +acx_pci_attach(struct device *parent, struct device *self, void *aux) +{ + struct acx_pci_softc *psc = (struct acx_pci_softc *)self; + struct acx_softc *sc = &psc->sc_acx; + struct pci_attach_args *pa = aux; + const char *intrstr; + bus_addr_t base; + pci_intr_handle_t ih; + int error, b1 = ACX_PCI_BAR0, b2 = ACX_PCI_BAR1; + + sc->sc_dmat = pa->pa_dmat; + psc->sc_pc = pa->pa_pc; + + /* map control/status registers */ + if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TI_ACX100A) { + error = pci_mapreg_map(pa, ACX_PCI_BAR0, + PCI_MAPREG_TYPE_IO | PCI_MAPREG_MEM_TYPE_32BIT, + 0, &psc->sc_io_bt, &psc->sc_io_bh, &base, + &psc->sc_iomapsize, 0); + if (error != 0) { + printf(": could not map i/o space\n"); + return; + } + psc->sc_iobar_val = base | PCI_MAPREG_TYPE_IO; + b1 = ACX_PCI_BAR1; + b2 = ACX_PCI_BAR2; + } + + error = pci_mapreg_map(pa, b1, PCI_MAPREG_TYPE_MEM | + PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_mem1_bt, + &sc->sc_mem1_bh, &base, &psc->sc_mapsize1, 0); + if (error != 0) { + printf(": could not map memory1 space\n"); + return; + } + + psc->sc_bar1_val = base | PCI_MAPREG_TYPE_MEM; + + error = pci_mapreg_map(pa, b2, PCI_MAPREG_TYPE_MEM | + PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_mem2_bt, + &sc->sc_mem2_bh, &base, &psc->sc_mapsize2, 0); + if (error != 0) { + printf(": could not map memory2 space\n"); + return; + } + + psc->sc_bar2_val = base | PCI_MAPREG_TYPE_MEM; + + if (pci_intr_map(pa, &ih) != 0) { + printf(": could not map interrupt\n"); + return; + } + + intrstr = pci_intr_string(psc->sc_pc, ih); + psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, + acx_intr, sc, sc->sc_dev.dv_xname); + if (psc->sc_ih == NULL) { + printf(": could not establish interrupt"); + if (intrstr != NULL) + printf(" at %s", intrstr); + printf("\n"); + return; + } + printf(": %s", intrstr); + + if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TI_ACX111) + acx111_set_param(sc); + else + acx100_set_param(sc); + + acx_attach(sc); +} + +int +acx_pci_detach(struct device *self, int flags) +{ + struct acx_pci_softc *psc = (struct acx_pci_softc *)self; + struct acx_softc *sc = &psc->sc_acx; + + acx_detach(sc); + pci_intr_disestablish(psc->sc_pc, psc->sc_ih); + + return 0; +} |