B43_SHM_RCMTA
rcmta0 = b43_shm_read32(dev, B43_SHM_RCMTA,
rcmta1 = b43_shm_read16(dev, B43_SHM_RCMTA,
b43_shm_write32(dev, B43_SHM_RCMTA,
b43_shm_write16(dev, B43_SHM_RCMTA,