#define LPAIF_RDMACTL_ENABLE_OFF       (0 << LPAIF_RDMACTL_ENABLE_SHIFT)
 #define LPAIF_RDMACTL_ENABLE_ON                (1 << LPAIF_RDMACTL_ENABLE_SHIFT)
 
+#define LPAIF_WRDMA_REG_ADDR(v, addr, chan) \
+       (v->wrdma_reg_base + (addr) + \
+        v->wrdma_reg_stride * (chan - v->wrdma_channel_start))
+
+#define LPAIF_WRDMACTL_REG(v, chan)    LPAIF_WRDMA_REG_ADDR(v, 0x00, (chan))
+#define LPAIF_WRDMABASE_REG(v, chan)   LPAIF_WRDMA_REG_ADDR(v, 0x04, (chan))
+#define        LPAIF_WRDMABUFF_REG(v, chan)    LPAIF_WRDMA_REG_ADDR(v, 0x08, (chan))
+#define LPAIF_WRDMACURR_REG(v, chan)   LPAIF_WRDMA_REG_ADDR(v, 0x0C, (chan))
+#define        LPAIF_WRDMAPER_REG(v, chan)     LPAIF_WRDMA_REG_ADDR(v, 0x10, (chan))
+#define        LPAIF_WRDMAPERCNT_REG(v, chan)  LPAIF_WRDMA_REG_ADDR(v, 0x14, (chan))
+
 #endif /* __LPASS_LPAIF_REG_H__ */