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_probe(device_t dev)
{
switch (pci_get_devid(dev)) {
case PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER:
case PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER_NC:
{
struct bt_softc *bt = device_get_softc(dev);
pci_info_data_t pci_info;
int error;
error = bt_pci_alloc_resources(dev);
if (error)
return (error);
/*
* Determine if an ISA compatible I/O port has been
* enabled. If so, record the port so it will not
* be probed by our ISA probe. If the PCI I/O port
* was not set to the compatibility port, disable it.
*/
error = bt_cmd(bt, BOP_INQUIRE_PCI_INFO,
/*param*/NULL, /*paramlen*/0,
(u_int8_t*)&pci_info, sizeof(pci_info),
DEFAULT_CMD_TIMEOUT);
if (error == 0
&& pci_info.io_port < BIO_DISABLED) {
bt_mark_probed_bio(pci_info.io_port);
if (rman_get_start(bt->port) !=
bt_iop_from_bio(pci_info.io_port)) {
u_int8_t new_addr;
new_addr = BIO_DISABLED;
bt_cmd(bt, BOP_MODIFY_IO_ADDR,
/*param*/&new_addr,
/*paramlen*/1, /*reply_buf*/NULL,
/*reply_len*/0,
DEFAULT_CMD_TIMEOUT);
}
}
bt_pci_release_resources(dev);
device_set_desc(dev, "Buslogic Multi-Master SCSI Host Adapter");
return (0);
}
default:
break;
}
return (ENXIO);
}
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);
}
