diff options
Diffstat (limited to 'sys/dev/sbni/if_sbni_pci.c')
| -rw-r--r-- | sys/dev/sbni/if_sbni_pci.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/sys/dev/sbni/if_sbni_pci.c b/sys/dev/sbni/if_sbni_pci.c new file mode 100644 index 0000000..dfdc41b --- /dev/null +++ b/sys/dev/sbni/if_sbni_pci.c @@ -0,0 +1,191 @@ +/*- + * Copyright (c) 1997-2001 Granch, Ltd. All rights reserved. + * Author: Denis I.Timofeev <timofeev@granch.ru> + * + * Redistributon 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 unmodified, 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 AUTHOR 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 AUTHOR 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 NEIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/socket.h> +#include <sys/bus.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <machine/bus.h> +#include <machine/resource.h> +#include <sys/rman.h> +#include <sys/malloc.h> + +#include <net/if.h> +#include <net/ethernet.h> +#include <net/if_arp.h> + +#include <dev/pci/pcivar.h> +#include <dev/pci/pcireg.h> + +#include <dev/sbni/if_sbnireg.h> +#include <dev/sbni/if_sbnivar.h> + +static int sbni_pci_probe(device_t); +static int sbni_pci_attach(device_t); +static int sbni_pci_detach(device_t); + +static device_method_t sbni_pci_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, sbni_pci_probe), + DEVMETHOD(device_attach, sbni_pci_attach), + DEVMETHOD(device_detach, sbni_pci_detach), + { 0, 0 } +}; + +static driver_t sbni_pci_driver = { + "sbni", + sbni_pci_methods, + sizeof(struct sbni_softc) +}; + +static devclass_t sbni_pci_devclass; + +DRIVER_MODULE(sbni, pci, sbni_pci_driver, sbni_pci_devclass, 0, 0); +MODULE_DEPEND(sbni, pci, 1, 1, 1); + +static int +sbni_pci_probe(device_t dev) +{ + struct sbni_softc *sc; + u_int32_t ports; + + ports = SBNI_PORTS; + if (pci_get_vendor(dev) != SBNI_PCI_VENDOR || + pci_get_device(dev) != SBNI_PCI_DEVICE) + return (ENXIO); + + sc = device_get_softc(dev); + if (pci_get_subdevice(dev) == 2) { + ports <<= 1; + sc->slave_sc = malloc(sizeof(struct sbni_softc), + M_DEVBUF, M_NOWAIT | M_ZERO); + if (!sc->slave_sc) + return (ENOMEM); + device_set_desc(dev, "Granch SBNI12/PCI Dual adapter"); + } else + device_set_desc(dev, "Granch SBNI12/PCI adapter"); + + sc->io_rid = PCIR_BAR(0); + sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->io_rid, + 0ul, ~0ul, ports, RF_ACTIVE); + if (!sc->io_res) { + device_printf(dev, "cannot allocate io ports!\n"); + if (sc->slave_sc) + free(sc->slave_sc, M_DEVBUF); + return (ENOENT); + } + + if (sc->slave_sc) { + sc->slave_sc->io_res = sc->io_res; + sc->slave_sc->io_off = 4; + } + if (sbni_probe(sc) != 0) { + sbni_release_resources(sc); + if (sc->slave_sc) + free(sc->slave_sc, M_DEVBUF); + return (ENXIO); + } + + return (0); +} + +static int +sbni_pci_attach(device_t dev) +{ + struct sbni_softc *sc; + struct sbni_flags flags; + int error; + + sc = device_get_softc(dev); + sc->dev = dev; + + sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, + RF_SHAREABLE); + + if (sc->irq_res == NULL) { + device_printf(dev, "cannot claim irq!\n"); + error = ENOENT; + goto attach_failed; + } + + *(u_int32_t*)&flags = 0; + + error = sbni_attach(sc, device_get_unit(dev) * 2, flags); + if (error) { + device_printf(dev, "cannot initialize driver\n"); + goto attach_failed; + } + if (sc->slave_sc) { + error = sbni_attach(sc->slave_sc, device_get_unit(dev) * 2 + 1, + flags); + if (error) { + device_printf(dev, "cannot initialize slave\n"); + sbni_detach(sc); + goto attach_failed; + } + } + + if (sc->irq_res) { + error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | + INTR_MPSAFE, NULL, sbni_intr, sc, &sc->irq_handle); + if (error) { + device_printf(dev, "bus_setup_intr\n"); + sbni_detach(sc); + if (sc->slave_sc) + sbni_detach(sc); + goto attach_failed; + } + } + return (0); + +attach_failed: + sbni_release_resources(sc); + if (sc->slave_sc) + free(sc->slave_sc, M_DEVBUF); + return (error); +} + +static int +sbni_pci_detach(device_t dev) +{ + struct sbni_softc *sc; + + sc = device_get_softc(dev); + sbni_detach(sc); + if (sc->slave_sc) + sbni_detach(sc); + + sbni_release_resources(sc); + if (sc->slave_sc) + free(sc->slave_sc, M_DEVBUF); + return (0); +} |
