static int bt_pci_attach(device_t dev) { struct bt_softc *bt = device_get_softc(dev); int opri; int error; /* Initialize softc */ error = bt_pci_alloc_resources(dev); if (error) { device_printf(dev, "can't allocate resources in bt_pci_attach\n"); return error; } /* Allocate a dmatag for our CCB DMA maps */ /* XXX Should be a child of the PCI bus dma tag */ if (bus_dma_tag_create( /* parent */ NULL, /* alignemnt */ 1, /* boundary */ 0, /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, /* highaddr */ BUS_SPACE_MAXADDR, /* filter */ NULL, /* filterarg */ NULL, /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, /* nsegments */ ~0, /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT, /* flags */ 0, /* lockfunc */ busdma_lock_mutex, /* lockarg */ &Giant, &bt->parent_dmat) != 0) { bt_pci_release_resources(dev); return (ENOMEM); } /* * Protect ourself from spurrious interrupts during * intialization and attach. We should really rely * on interrupts during attach, but we don't have * access to our interrupts during ISA probes, so until * that changes, we mask our interrupts during attach * too. */ opri = splcam(); if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) { bt_pci_release_resources(dev); splx(opri); return (ENXIO); } error = bt_attach(dev); splx(opri); if (error) { bt_pci_release_resources(dev); return (error); } return (0); }
static int bt_pci_attach(device_t dev) { struct bt_softc *bt = device_get_softc(dev); int error; /* Initialize softc */ error = bt_pci_alloc_resources(dev); if (error) { device_printf(dev, "can't allocate resources in bt_pci_attach\n"); return error; } /* Allocate a dmatag for our CCB DMA maps */ if (bus_dma_tag_create( /* PCI parent */ bus_get_dma_tag(dev), /* alignemnt */ 1, /* boundary */ 0, /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, /* highaddr */ BUS_SPACE_MAXADDR, /* filter */ NULL, /* filterarg */ NULL, /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, /* nsegments */ ~0, /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT, /* flags */ 0, /* lockfunc */ NULL, /* lockarg */ NULL, &bt->parent_dmat) != 0) { bt_pci_release_resources(dev); return (ENOMEM); } if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) { bt_pci_release_resources(dev); return (ENXIO); } error = bt_attach(dev); if (error) { bt_pci_release_resources(dev); return (error); } return (0); }
static int bt_eisa_attach(device_t dev) { struct bt_softc *bt = device_get_softc(dev); /* Allocate resources */ bt_eisa_alloc_resources(dev); /* Allocate a dmatag for our SCB DMA maps */ /* XXX Should be a child of the PCI bus dma tag */ if (bus_dma_tag_create( /* parent */ NULL, /* alignment */ 1, /* boundary */ 0, /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, /* highaddr */ BUS_SPACE_MAXADDR, /* filter */ NULL, /* filterarg */ NULL, /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, /* nsegments */ ~0, /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT, /* flags */ 0, /* lockfunc */ busdma_lock_mutex, /* lockarg, */ &Giant, &bt->parent_dmat) != 0) { bt_eisa_release_resources(dev); return -1; } /* * Now that we know we own the resources we need, do the full * card initialization. */ if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) { bt_eisa_release_resources(dev); return -1; } /* Attach sub-devices - always succeeds (sets up intr) */ bt_attach(dev); return 0; }