mmDMA_QM_2_GLBL_CFG0
WREG32(mmDMA_QM_2_GLBL_CFG0, 0);
pb_addr = (mmDMA_QM_2_GLBL_CFG0 & ~0xFFF) + PROT_BITS_OFFS;
word_offset = ((mmDMA_QM_2_GLBL_CFG0 & PROT_BITS_OFFS) >> 7) << 2;
mask = 1 << ((mmDMA_QM_2_GLBL_CFG0 & 0x7F) >> 2);