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/* $FreeBSD$ */
#define SPIBUS_IVAR(d) (struct spibus_ivar *) device_get_ivars(d)
#define SPIBUS_SOFTC(d) (struct spibus_softc *) device_get_softc(d)
struct spibus_softc
{
device_t dev;
};
struct spibus_ivar
{
uint32_t cs;
};
enum {
SPIBUS_IVAR_CS /* chip select that we're on */
};
#define SPIBUS_ACCESSOR(A, B, T) \
static inline int \
spibus_get_ ## A(device_t dev, T *t) \
{ \
return BUS_READ_IVAR(device_get_parent(dev), dev, \
SPIBUS_IVAR_ ## B, (uintptr_t *) t); \
}
SPIBUS_ACCESSOR(cs, CS, uint32_t)
extern driver_t spibus_driver;
extern devclass_t spibus_devclass;
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