NITIO_G0_INT_ACK
[NITIO_G0_INT_ACK] = { 0x004, 2 }, /* write */
[NITIO_G0_INT_ACK] = { NISTC_INTA_ACK_REG, 2 },
#define NITIO_INT_ACK_REG(x) (NITIO_G0_INT_ACK + (x))