/* * Copyright (c) 2000 Matthew R. Green * All rights reserved. * * Redistribution 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, 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. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: NetBSD: if_hme_pci.c,v 1.4 2001/08/27 22:18:49 augustss Exp * * $FreeBSD$ */ /* * PCI front-end device driver for the HME ethernet device. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "miibus_if.h" struct hme_pci_softc { struct hme_softc hsc_hme; /* HME device */ struct resource *hsc_sres; int hsc_srid; struct resource *hsc_ires; int hsc_irid; bus_space_tag_t hsc_memt; bus_space_handle_t hsc_memh; void *hsc_ih; }; static int hme_pci_probe(device_t); static int hme_pci_attach(device_t); static int hme_pci_detach(device_t); static int hme_pci_suspend(device_t); static int hme_pci_resume(device_t); static device_method_t hme_pci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, hme_pci_probe), DEVMETHOD(device_attach, hme_pci_attach), DEVMETHOD(device_detach, hme_pci_detach), DEVMETHOD(device_suspend, hme_pci_suspend), DEVMETHOD(device_resume, hme_pci_resume), /* Can just use the suspend method here. */ DEVMETHOD(device_shutdown, hme_pci_suspend), /* bus interface */ DEVMETHOD(bus_print_child, bus_generic_print_child), DEVMETHOD(bus_driver_added, bus_generic_driver_added), /* MII interface */ DEVMETHOD(miibus_readreg, hme_mii_readreg), DEVMETHOD(miibus_writereg, hme_mii_writereg), DEVMETHOD(miibus_statchg, hme_mii_statchg), { 0, 0 } }; static driver_t hme_pci_driver = { "hme", hme_pci_methods, sizeof(struct hme_pci_softc) }; DRIVER_MODULE(hme, pci, hme_pci_driver, hme_devclass, 0, 0); MODULE_DEPEND(hme, pci, 1, 1, 1); MODULE_DEPEND(hme, ether, 1, 1, 1); int hme_pci_probe(device_t dev) { if (pci_get_vendor(dev) == 0x108e && pci_get_device(dev) == 0x1001) { device_set_desc(dev, "Sun HME 10/100 Ethernet"); return (0); } return (ENXIO); } int hme_pci_attach(device_t dev) { struct hme_pci_softc *hsc = device_get_softc(dev); struct hme_softc *sc = &hsc->hsc_hme; int error; /* * Enable memory-space and bus master accesses. This is kinda of * gross; but the hme comes up with neither enabled. */ pci_enable_busmaster(dev); sc->sc_pci = 1; /* XXXXX should all be done in bus_dma. */ sc->sc_dev = dev; /* * Map five register banks: * * bank 0: HME SEB registers: +0x0000 * bank 1: HME ETX registers: +0x2000 * bank 2: HME ERX registers: +0x4000 * bank 3: HME MAC registers: +0x6000 * bank 4: HME MIF registers: +0x7000 * */ hsc->hsc_srid = PCI_HME_BASEADDR; hsc->hsc_sres = bus_alloc_resource(dev, SYS_RES_MEMORY, &hsc->hsc_srid, 0, ~0, 1, RF_ACTIVE); if (hsc->hsc_sres == NULL) { device_printf(dev, "could not map device registers\n"); return (ENXIO); } hsc->hsc_irid = 0; hsc->hsc_ires = bus_alloc_resource(dev, SYS_RES_IRQ, &hsc->hsc_irid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); if (hsc->hsc_ires == NULL) { device_printf(dev, "could not allocate interrupt\n"); error = ENXIO; goto fail_sres; } sc->sc_sebt = sc->sc_etxt = sc->sc_erxt = sc->sc_mact = sc->sc_mift = rman_get_bustag(hsc->hsc_sres); sc->sc_sebh = sc->sc_etxh = sc->sc_erxh = sc->sc_mach = sc->sc_mifh = rman_get_bushandle(hsc->hsc_sres); sc->sc_sebo = 0; sc->sc_etxo = 0x2000; sc->sc_erxo = 0x4000; sc->sc_maco = 0x6000; sc->sc_mifo = 0x7000; OF_getetheraddr(dev, sc->sc_arpcom.ac_enaddr); sc->sc_burst = 64; /* XXX */ /* * call the main configure */ if ((error = hme_config(sc)) != 0) { device_printf(dev, "could not be configured\n"); goto fail_ires; } if ((error = bus_setup_intr(dev, hsc->hsc_ires, INTR_TYPE_NET, hme_intr, sc, &hsc->hsc_ih)) != 0) { device_printf(dev, "couldn't establish interrupt\n"); hme_detach(sc); goto fail_ires; } return (0); fail_ires: bus_release_resource(dev, SYS_RES_IRQ, hsc->hsc_irid, hsc->hsc_ires); fail_sres: bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_srid, hsc->hsc_sres); return (ENXIO); } static int hme_pci_detach(device_t dev) { struct hme_pci_softc *hsc = device_get_softc(dev); struct hme_softc *sc = &hsc->hsc_hme; hme_detach(sc); bus_teardown_intr(dev, hsc->hsc_ires, hsc->hsc_ih); bus_release_resource(dev, SYS_RES_IRQ, hsc->hsc_irid, hsc->hsc_ires); bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_srid, hsc->hsc_sres); return (0); } static int hme_pci_suspend(device_t dev) { struct hme_pci_softc *hsc = device_get_softc(dev); struct hme_softc *sc = &hsc->hsc_hme; hme_suspend(sc); return (0); } static int hme_pci_resume(device_t dev) { struct hme_pci_softc *hsc = device_get_softc(dev); struct hme_softc *sc = &hsc->hsc_hme; hme_resume(sc); return (0); }