REG_READ_D
val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
seq_printf(file, "pcu observe: 0x%x\n", REG_READ_D(ah, AR_OBS_BUS_1));
seq_printf(file, "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
regval = REG_READ_D(ah, sc->debug.regidx);