static int
bt_pci_alloc_resources(device_t dev)
{
int type = 0, rid, zero;
struct resource *regs = 0;
struct resource *irq = 0;
#if 0
/* XXX Memory Mapped I/O seems to cause problems */
type = SYS_RES_MEMORY;
rid = BT_PCI_MEMADDR;
regs = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE);
#else
type = SYS_RES_IOPORT;
rid = BT_PCI_IOADDR;
regs = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE);
#endif
if (!regs)
return (ENOMEM);
zero = 0;
irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &zero,
RF_ACTIVE | RF_SHAREABLE);
if (!irq) {
bus_release_resource(dev, type, rid, regs);
return (ENOMEM);
}
bt_init_softc(dev, regs, irq, 0);
return (0);
}
static int
bt_isa_alloc_resources(device_t dev, u_long portstart, u_long portend)
{
int rid;
struct resource *port;
struct resource *irq;
struct resource *drq;
rid = 0;
port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
portstart, portend, BT_NREGS, RF_ACTIVE);
if (!port)
return (ENOMEM);
if (isa_get_irq(dev) != -1) {
rid = 0;
irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
0, ~0, 1, RF_ACTIVE);
if (!irq) {
if (port)
bus_release_resource(dev, SYS_RES_IOPORT,
0, port);
return (ENOMEM);
}
} else
irq = NULL;
if (isa_get_drq(dev) != -1) {
rid = 0;
drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid,
0, ~0, 1, RF_ACTIVE);
if (!drq) {
if (port)
bus_release_resource(dev, SYS_RES_IOPORT,
0, port);
if (irq)
bus_release_resource(dev, SYS_RES_IRQ,
0, irq);
return (ENOMEM);
}
} else
drq = NULL;
bt_init_softc(dev, port, irq, drq);
return (0);
}
static int
bt_mca_alloc_resources(device_t dev, int mode)
{
struct resource * io = NULL;
struct resource * irq = NULL;
struct resource * drq = NULL;
int rid;
rid = 0;
io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
0, ~0, 1, RF_ACTIVE);
if (io == NULL) {
printf("bt_mca_alloc_resources() failed to allocate IOPORT\n");
return (ENOMEM);
}
if (mode == BT_MCA_ATTACH) {
rid = 0;
irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
0, ~0, 1, RF_ACTIVE);
if (irq == NULL) {
printf("bt_mca_alloc_resources() failed to allocate IRQ\n");
goto bad;
}
rid = 0;
drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid,
0, ~0, 1, RF_ACTIVE);
if (drq == NULL) {
printf("bt_mca_alloc_resources() failed to allocate DRQ\n");
goto bad;
}
}
bt_init_softc(dev, io, irq, drq);
return (0);
bad:
bt_mca_release_resources(dev);
return (ENOMEM);
}
static int
bt_pci_alloc_resources(device_t dev)
{
int command, type = 0, rid, zero;
struct resource *regs = NULL;
struct resource *irq = NULL;
command = pci_read_config(dev, PCIR_COMMAND, /*bytes*/1);
#if 0
/* XXX Memory Mapped I/O seems to cause problems */
if (command & PCIM_CMD_MEMEN) {
type = SYS_RES_MEMORY;
rid = BT_PCI_MEMADDR;
regs = bus_alloc_resource(dev, type, &rid,
0, ~0, 1, RF_ACTIVE);
}
#else
if (!regs && (command & PCIM_CMD_PORTEN)) {
type = SYS_RES_IOPORT;
rid = BT_PCI_IOADDR;
regs = bus_alloc_resource(dev, type, &rid,
0, ~0, 1, RF_ACTIVE);
}
#endif
if (!regs)
return (ENOMEM);
zero = 0;
irq = bus_alloc_resource(dev, SYS_RES_IRQ, &zero,
0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
if (!irq) {
bus_release_resource(dev, type, rid, regs);
return (ENOMEM);
}
bt_init_softc(dev, regs, irq, 0);
return (0);
}
static int
bt_eisa_alloc_resources(device_t dev)
{
struct bt_softc *bt = device_get_softc(dev);
int rid;
struct resource *port;
struct resource *irq;
int shared;
/*
* XXX assumes that the iospace ranges are sorted in increasing
* order.
*/
rid = 0;
port = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
if (!port)
return (ENOMEM);
bt_init_softc(dev, port, 0, 0);
if (eisa_get_irq(dev) != -1) {
shared = bt->level_trigger_ints ? RF_SHAREABLE : 0;
rid = 0;
irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
shared | RF_ACTIVE);
if (!irq) {
if (port)
bus_release_resource(dev, SYS_RES_IOPORT,
0, port);
return (ENOMEM);
}
} else
irq = 0;
bt->irq = irq;
return (0);
}