mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
29 lines
554 B
C
29 lines
554 B
C
/* $FreeBSD$ */
|
|
|
|
#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) \
|
|
__inline static 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)
|