static int
le_pci_detach(device_t dev)
{
struct le_pci_softc *lesc;
struct lance_softc *sc;
lesc = device_get_softc(dev);
sc = &lesc->sc_am79900.lsc;
if (device_is_attached(dev)) {
lwkt_serialize_enter(sc->ifp->if_serializer);
lance_stop(sc);
bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
lwkt_serialize_exit(sc->ifp->if_serializer);
am79900_detach(&lesc->sc_am79900);
}
if (lesc->sc_ires)
bus_release_resource(dev, SYS_RES_IRQ, lesc->sc_irid, lesc->sc_ires);
if (lesc->sc_rres)
bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres);
if (lesc->sc_dmam) {
bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
}
if (lesc->sc_dmat)
bus_dma_tag_destroy(lesc->sc_dmat);
if (lesc->sc_pdmat)
bus_dma_tag_destroy(lesc->sc_pdmat);
return (0);
}
static int
le_pci_detach(device_t dev)
{
struct le_pci_softc *lesc;
struct lance_softc *sc;
lesc = device_get_softc(dev);
sc = &lesc->sc_am79900.lsc;
bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
am79900_detach(&lesc->sc_am79900);
bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
bus_dma_tag_destroy(lesc->sc_dmat);
bus_dma_tag_destroy(lesc->sc_pdmat);
bus_release_resource(dev, SYS_RES_IRQ,
rman_get_rid(lesc->sc_ires), lesc->sc_ires);
bus_release_resource(dev, SYS_RES_IOPORT,
rman_get_rid(lesc->sc_rres), lesc->sc_rres);
LE_LOCK_DESTROY(sc);
return (0);
}
static int
le_pci_attach(device_t dev)
{
struct le_pci_softc *lesc;
struct lance_softc *sc;
int error, i;
lesc = device_get_softc(dev);
sc = &lesc->sc_am79900.lsc;
LE_LOCK_INIT(sc, device_get_nameunit(dev));
pci_enable_busmaster(dev);
i = PCIR_BAR(0);
lesc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
&i, RF_ACTIVE);
if (lesc->sc_rres == NULL) {
device_printf(dev, "cannot allocate registers\n");
error = ENXIO;
goto fail_mtx;
}
i = 0;
if ((lesc->sc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&i, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
device_printf(dev, "cannot allocate interrupt\n");
error = ENXIO;
goto fail_rres;
}
error = bus_dma_tag_create(
bus_get_dma_tag(dev), /* parent */
1, 0, /* alignment, boundary */
BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filter, filterarg */
BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
0, /* nsegments */
BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
0, /* flags */
NULL, NULL, /* lockfunc, lockarg */
&lesc->sc_pdmat);
if (error != 0) {
device_printf(dev, "cannot allocate parent DMA tag\n");
goto fail_ires;
}
sc->sc_memsize = PCNET_MEMSIZE;
/*
* For Am79C970A, Am79C971 and Am79C978 the init block must be 2-byte
* aligned and the ring descriptors must be 16-byte aligned when using
* a 32-bit software style.
*/
error = bus_dma_tag_create(
lesc->sc_pdmat, /* parent */
16, 0, /* alignment, boundary */
BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filter, filterarg */
sc->sc_memsize, /* maxsize */
1, /* nsegments */
sc->sc_memsize, /* maxsegsize */
0, /* flags */
NULL, NULL, /* lockfunc, lockarg */
&lesc->sc_dmat);
if (error != 0) {
device_printf(dev, "cannot allocate buffer DMA tag\n");
goto fail_pdtag;
}
error = bus_dmamem_alloc(lesc->sc_dmat, (void **)&sc->sc_mem,
BUS_DMA_WAITOK | BUS_DMA_COHERENT, &lesc->sc_dmam);
if (error != 0) {
device_printf(dev, "cannot allocate DMA buffer memory\n");
goto fail_dtag;
}
sc->sc_addr = 0;
error = bus_dmamap_load(lesc->sc_dmat, lesc->sc_dmam, sc->sc_mem,
sc->sc_memsize, le_pci_dma_callback, sc, 0);
if (error != 0 || sc->sc_addr == 0) {
device_printf(dev, "cannot load DMA buffer map\n");
goto fail_dmem;
}
sc->sc_flags = LE_BSWAP;
sc->sc_conf3 = 0;
sc->sc_mediastatus = NULL;
switch (pci_get_device(dev)) {
case AMD_PCNET_HOME:
sc->sc_mediachange = le_pci_mediachange;
sc->sc_supmedia = le_home_supmedia;
sc->sc_nsupmedia = sizeof(le_home_supmedia) / sizeof(int);
sc->sc_defaultmedia = le_home_supmedia[0];
break;
default:
sc->sc_mediachange = le_pci_mediachange;
sc->sc_supmedia = le_pci_supmedia;
sc->sc_nsupmedia = sizeof(le_pci_supmedia) / sizeof(int);
sc->sc_defaultmedia = le_pci_supmedia[0];
}
/*
* Extract the physical MAC address from the ROM.
*/
bus_read_region_1(lesc->sc_rres, 0, sc->sc_enaddr,
sizeof(sc->sc_enaddr));
sc->sc_copytodesc = lance_copytobuf_contig;
sc->sc_copyfromdesc = lance_copyfrombuf_contig;
sc->sc_copytobuf = lance_copytobuf_contig;
sc->sc_copyfrombuf = lance_copyfrombuf_contig;
sc->sc_zerobuf = lance_zerobuf_contig;
sc->sc_rdcsr = le_pci_rdcsr;
sc->sc_wrcsr = le_pci_wrcsr;
sc->sc_hwreset = le_pci_hwreset;
sc->sc_hwinit = NULL;
sc->sc_hwintr = NULL;
sc->sc_nocarrier = NULL;
error = am79900_config(&lesc->sc_am79900, device_get_name(dev),
device_get_unit(dev));
if (error != 0) {
device_printf(dev, "cannot attach Am79900\n");
goto fail_dmap;
}
error = bus_setup_intr(dev, lesc->sc_ires, INTR_TYPE_NET | INTR_MPSAFE,
NULL, am79900_intr, sc, &lesc->sc_ih);
if (error != 0) {
device_printf(dev, "cannot set up interrupt\n");
goto fail_am79900;
}
return (0);
fail_am79900:
am79900_detach(&lesc->sc_am79900);
fail_dmap:
bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
fail_dmem:
bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
fail_dtag:
bus_dma_tag_destroy(lesc->sc_dmat);
fail_pdtag:
bus_dma_tag_destroy(lesc->sc_pdmat);
fail_ires:
bus_release_resource(dev, SYS_RES_IRQ,
rman_get_rid(lesc->sc_ires), lesc->sc_ires);
fail_rres:
bus_release_resource(dev, SYS_RES_IOPORT,
rman_get_rid(lesc->sc_rres), lesc->sc_rres);
fail_mtx:
LE_LOCK_DESTROY(sc);
return (error);
}