static void mtd_pci_attach(device_t parent, device_t self, void *aux) { struct pci_attach_args * const pa = aux; struct mtd_softc * const sc = device_private(self); pci_intr_handle_t ih; const char *intrstring = NULL; bus_space_tag_t iot, memt; bus_space_handle_t ioh, memh; int io_valid, mem_valid; sc->dev = self; pci_aprint_devinfo(pa, NULL); io_valid = (pci_mapreg_map(pa, PCI_IO_MAP_REG, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, NULL) == 0); mem_valid = (pci_mapreg_map(pa, PCI_MEM_MAP_REG, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &memt, &memh, NULL, NULL) == 0); if (mem_valid) { sc->bus_tag = memt; sc->bus_handle = memh; } else if (io_valid) { sc->bus_tag = iot; sc->bus_handle = ioh; } else { aprint_error_dev(sc->dev, "could not map memory or i/o space\n"); return; } sc->dma_tag = pa->pa_dmat; /* Do generic attach. Seems this must be done before setting IRQ */ mtd_config(sc); if (pci_intr_map(pa, &ih)) { aprint_error_dev(sc->dev, "could not map interrupt\n"); return; } intrstring = pci_intr_string(pa->pa_pc, ih); if (pci_intr_establish(pa->pa_pc, ih, IPL_NET, mtd_irq_h, sc) == NULL) { aprint_error_dev(sc->dev, "could not establish interrupt"); if (intrstring != NULL) aprint_error(" at %s", intrstring); aprint_error("\n"); return; } else { aprint_normal_dev(sc->dev, "using %s for interrupt\n", intrstring ? intrstring : "unknown interrupt"); } }
static void mtd_pci_attach(struct device *parent, struct device *self, void *aux) { struct mtd_softc *sc = (void *)self; struct pci_attach_args *pa = aux; pci_intr_handle_t ih; const char *intrstr = NULL; bus_size_t iosize; #ifndef MTD_USE_IO if (pci_mapreg_map(pa, MTD_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0, &sc->bus_tag, &sc->bus_handle, NULL, &iosize, 0)) { printf(": can't map mem space\n"); return; } #else /* MTD_USE_IO */ if (pci_mapreg_map(pa, MTD_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0, &sc->bus_tag, &sc->bus_handle, NULL, &iosize, 0)) { printf(": can't map io space\n"); return; } #endif /* MTD_USE_IO */ /* * Allocate our interrupt. */ if (pci_intr_map(pa, &ih)) { printf(": couldn't map interrupt\n"); bus_space_unmap(sc->bus_tag, sc->bus_handle, iosize); return; } intrstr = pci_intr_string(pa->pa_pc, ih); if (pci_intr_establish(pa->pa_pc, ih, IPL_NET, mtd_irq_h, sc, self->dv_xname) == NULL) { printf(": couldn't establish interrupt"); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); bus_space_unmap(sc->bus_tag, sc->bus_handle, iosize); return; } printf(": %s", intrstr); sc->dma_tag = pa->pa_dmat; mtd_config(sc); }