static int
dpt_pci_attach (device_t dev)
{
dpt_softc_t * dpt;
int s;
int error = 0;
u_int32_t command;
dpt = device_get_softc(dev);
dpt->dev = dev;
command = pci_read_config(dev, PCIR_COMMAND, /*bytes*/1);
#ifdef DPT_ALLOW_MMIO
if ((command & PCIM_CMD_MEMEN) != 0) {
dpt->io_rid = DPT_PCI_MEMADDR;
dpt->io_type = SYS_RES_MEMORY;
dpt->io_res = bus_alloc_resource_any(dev, dpt->io_type,
&dpt->io_rid, RF_ACTIVE);
}
#endif
if (dpt->io_res == NULL && (command & PCIM_CMD_PORTEN) != 0) {
dpt->io_rid = DPT_PCI_IOADDR;
dpt->io_type = SYS_RES_IOPORT;
dpt->io_res = bus_alloc_resource_any(dev, dpt->io_type,
&dpt->io_rid, RF_ACTIVE);
}
if (dpt->io_res == NULL) {
device_printf(dev, "can't allocate register resources\n");
error = ENOMEM;
goto bad;
}
dpt->io_offset = 0x10;
dpt->irq_rid = 0;
dpt->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &dpt->irq_rid,
RF_ACTIVE | RF_SHAREABLE);
if (dpt->irq_res == NULL) {
device_printf(dev, "No irq?!\n");
error = ENOMEM;
goto bad;
}
/* Ensure busmastering is enabled */
command |= PCIM_CMD_BUSMASTEREN;
pci_write_config(dev, PCIR_COMMAND, command, /*bytes*/1);
if (rman_get_start(dpt->io_res) == (ISA_PRIMARY_WD_ADDRESS - 0x10)) {
#ifdef DPT_DEBUG_WARN
device_printf(dev, "Mapped as an IDE controller. "
"Disabling SCSI setup\n");
#endif
error = ENXIO;
goto bad;
}
dpt_alloc(dev);
/* Allocate a dmatag representing the capabilities of this attachment */
/* 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,
&dpt->parent_dmat) != 0) {
error = ENXIO;
goto bad;
}
s = splcam();
if (dpt_init(dpt) != 0) {
error = ENXIO;
goto bad;
}
/* Register with the XPT */
dpt_attach(dpt);
splx(s);
if (bus_setup_intr(dev, dpt->irq_res, INTR_TYPE_CAM | INTR_ENTROPY,
NULL, dpt_intr, dpt, &dpt->ih)) {
device_printf(dev, "Unable to register interrupt handler\n");
error = ENXIO;
goto bad;
}
return (error);
bad:
dpt_release_resources(dev);
dpt_free(dpt);
return (error);
}
static int
dpt_eisa_attach (device_t dev)
{
dpt_softc_t * dpt;
int error = 0;
dpt = device_get_softc(dev);
dpt->dev = dev;
dpt_alloc(dev);
dpt->io_rid = 0;
dpt->io_type = SYS_RES_IOPORT;
dpt->irq_rid = 0;
error = dpt_alloc_resources(dev);
if (error) {
goto bad;
}
/* Allocate a dmatag representing the capabilities of this attachment */
if (bus_dma_tag_create( /* 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,
&dpt->parent_dmat) != 0) {
error = ENXIO;
goto bad;
}
if (dpt_init(dpt) != 0) {
error = ENXIO;
goto bad;
}
/* Register with the XPT */
dpt_attach(dpt);
if (bus_setup_intr(dev, dpt->irq_res, INTR_TYPE_CAM | INTR_ENTROPY |
INTR_MPSAFE, NULL, dpt_intr, dpt, &dpt->ih)) {
device_printf(dev, "Unable to register interrupt handler\n");
error = ENXIO;
goto bad;
}
return (error);
bad:
dpt_release_resources(dev);
dpt_free(dpt);
return (error);
}
static int
dpt_pci_attach (device_t dev)
{
dpt_softc_t * dpt;
int error = 0;
dpt = device_get_softc(dev);
dpt->dev = dev;
dpt_alloc(dev);
#ifdef DPT_ALLOW_MMIO
dpt->io_rid = DPT_PCI_MEMADDR;
dpt->io_type = SYS_RES_MEMORY;
dpt->io_res = bus_alloc_resource_any(dev, dpt->io_type,
&dpt->io_rid, RF_ACTIVE);
#endif
if (dpt->io_res == NULL) {
dpt->io_rid = DPT_PCI_IOADDR;
dpt->io_type = SYS_RES_IOPORT;
dpt->io_res = bus_alloc_resource_any(dev, dpt->io_type,
&dpt->io_rid, RF_ACTIVE);
}
if (dpt->io_res == NULL) {
device_printf(dev, "can't allocate register resources\n");
error = ENOMEM;
goto bad;
}
dpt->io_offset = 0x10;
dpt->irq_rid = 0;
dpt->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &dpt->irq_rid,
RF_ACTIVE | RF_SHAREABLE);
if (dpt->irq_res == NULL) {
device_printf(dev, "No irq?!\n");
error = ENOMEM;
goto bad;
}
/* Ensure busmastering is enabled */
pci_enable_busmaster(dev);
if (rman_get_start(dpt->io_res) == (ISA_PRIMARY_WD_ADDRESS - 0x10)) {
#ifdef DPT_DEBUG_WARN
device_printf(dev, "Mapped as an IDE controller. "
"Disabling SCSI setup\n");
#endif
error = ENXIO;
goto bad;
}
/* Allocate a dmatag representing the capabilities of this attachment */
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,
&dpt->parent_dmat) != 0) {
error = ENXIO;
goto bad;
}
if (dpt_init(dpt) != 0) {
error = ENXIO;
goto bad;
}
/* Register with the XPT */
dpt_attach(dpt);
if (bus_setup_intr(dev, dpt->irq_res, INTR_TYPE_CAM | INTR_ENTROPY |
INTR_MPSAFE, NULL, dpt_intr, dpt, &dpt->ih)) {
device_printf(dev, "Unable to register interrupt handler\n");
error = ENXIO;
goto bad;
}
return (error);
bad:
dpt_release_resources(dev);
dpt_free(dpt);
return (error);
}