static u32 dim2_read_ctr(u32 ctr_addr, u16 mdat_idx)
 {
-       DIMCB_IoWrite(&g.dim2->MADR, ctr_addr);
+       dimcb_io_write(&g.dim2->MADR, ctr_addr);
 
        /* wait till transfer is completed */
        while ((DIMCB_IoRead(&g.dim2->MCTL) & 1) != 1)
                continue;
 
-       DIMCB_IoWrite(&g.dim2->MCTL, 0);   /* clear transfer complete */
+       dimcb_io_write(&g.dim2->MCTL, 0);   /* clear transfer complete */
 
        return DIMCB_IoRead((&g.dim2->MDAT0) + mdat_idx);
 }
 {
        enum { MADR_WNR_BIT = 31 };
 
-       DIMCB_IoWrite(&g.dim2->MCTL, 0);   /* clear transfer complete */
+       dimcb_io_write(&g.dim2->MCTL, 0);   /* clear transfer complete */
 
        if (mask[0] != 0)
-               DIMCB_IoWrite(&g.dim2->MDAT0, value[0]);
+               dimcb_io_write(&g.dim2->MDAT0, value[0]);
        if (mask[1] != 0)
-               DIMCB_IoWrite(&g.dim2->MDAT1, value[1]);
+               dimcb_io_write(&g.dim2->MDAT1, value[1]);
        if (mask[2] != 0)
-               DIMCB_IoWrite(&g.dim2->MDAT2, value[2]);
+               dimcb_io_write(&g.dim2->MDAT2, value[2]);
        if (mask[3] != 0)
-               DIMCB_IoWrite(&g.dim2->MDAT3, value[3]);
+               dimcb_io_write(&g.dim2->MDAT3, value[3]);
 
-       DIMCB_IoWrite(&g.dim2->MDWE0, mask[0]);
-       DIMCB_IoWrite(&g.dim2->MDWE1, mask[1]);
-       DIMCB_IoWrite(&g.dim2->MDWE2, mask[2]);
-       DIMCB_IoWrite(&g.dim2->MDWE3, mask[3]);
+       dimcb_io_write(&g.dim2->MDWE0, mask[0]);
+       dimcb_io_write(&g.dim2->MDWE1, mask[1]);
+       dimcb_io_write(&g.dim2->MDWE2, mask[2]);
+       dimcb_io_write(&g.dim2->MDWE3, mask[3]);
 
-       DIMCB_IoWrite(&g.dim2->MADR, bit_mask(MADR_WNR_BIT) | ctr_addr);
+       dimcb_io_write(&g.dim2->MADR, bit_mask(MADR_WNR_BIT) | ctr_addr);
 
        /* wait till transfer is completed */
        while ((DIMCB_IoRead(&g.dim2->MCTL) & 1) != 1)
                continue;
 
-       DIMCB_IoWrite(&g.dim2->MCTL, 0);   /* clear transfer complete */
+       dimcb_io_write(&g.dim2->MCTL, 0);   /* clear transfer complete */
 }
 
 static inline void dim2_write_ctr(u32 ctr_addr, const u32 *value)
        dim2_configure_cat(AHB_CAT, ch_addr, type, is_tx ? 0 : 1, sync_mfe);
 
        /* unmask interrupt for used channel, enable mlb_sys_int[0] interrupt */
-       DIMCB_IoWrite(&g.dim2->ACMR0,
-                     DIMCB_IoRead(&g.dim2->ACMR0) | bit_mask(ch_addr));
+       dimcb_io_write(&g.dim2->ACMR0,
+                      DIMCB_IoRead(&g.dim2->ACMR0) | bit_mask(ch_addr));
 }
 
 static void dim2_clear_channel(u8 ch_addr)
 {
        /* mask interrupt for used channel, disable mlb_sys_int[0] interrupt */
-       DIMCB_IoWrite(&g.dim2->ACMR0,
-                     DIMCB_IoRead(&g.dim2->ACMR0) & ~bit_mask(ch_addr));
+       dimcb_io_write(&g.dim2->ACMR0,
+                      DIMCB_IoRead(&g.dim2->ACMR0) & ~bit_mask(ch_addr));
 
        dim2_clear_cat(AHB_CAT, ch_addr);
        dim2_clear_adt(ch_addr);
 static void dim2_cleanup(void)
 {
        /* disable MediaLB */
-       DIMCB_IoWrite(&g.dim2->MLBC0, false << MLBC0_MLBEN_BIT);
+       dimcb_io_write(&g.dim2->MLBC0, false << MLBC0_MLBEN_BIT);
 
        dim2_clear_ctram();
 
        /* disable mlb_int interrupt */
-       DIMCB_IoWrite(&g.dim2->MIEN, 0);
+       dimcb_io_write(&g.dim2->MIEN, 0);
 
        /* clear status for all dma channels */
-       DIMCB_IoWrite(&g.dim2->ACSR0, 0xFFFFFFFF);
-       DIMCB_IoWrite(&g.dim2->ACSR1, 0xFFFFFFFF);
+       dimcb_io_write(&g.dim2->ACSR0, 0xFFFFFFFF);
+       dimcb_io_write(&g.dim2->ACSR1, 0xFFFFFFFF);
 
        /* mask interrupts for all channels */
-       DIMCB_IoWrite(&g.dim2->ACMR0, 0);
-       DIMCB_IoWrite(&g.dim2->ACMR1, 0);
+       dimcb_io_write(&g.dim2->ACMR0, 0);
+       dimcb_io_write(&g.dim2->ACMR1, 0);
 }
 
 static void dim2_initialize(bool enable_6pin, u8 mlb_clock)
        dim2_cleanup();
 
        /* configure and enable MediaLB */
-       DIMCB_IoWrite(&g.dim2->MLBC0,
-                     enable_6pin << MLBC0_MLBPEN_BIT |
-                     mlb_clock << MLBC0_MLBCLK_SHIFT |
-                     MLBC0_FCNT_VAL(FRAMES_PER_SUBBUFF) << MLBC0_FCNT_SHIFT |
-                     true << MLBC0_MLBEN_BIT);
+       dimcb_io_write(&g.dim2->MLBC0,
+                      enable_6pin << MLBC0_MLBPEN_BIT |
+                      mlb_clock << MLBC0_MLBCLK_SHIFT |
+                      MLBC0_FCNT_VAL(FRAMES_PER_SUBBUFF) << MLBC0_FCNT_SHIFT |
+                      true << MLBC0_MLBEN_BIT);
 
        /* activate all HBI channels */
-       DIMCB_IoWrite(&g.dim2->HCMR0, 0xFFFFFFFF);
-       DIMCB_IoWrite(&g.dim2->HCMR1, 0xFFFFFFFF);
+       dimcb_io_write(&g.dim2->HCMR0, 0xFFFFFFFF);
+       dimcb_io_write(&g.dim2->HCMR1, 0xFFFFFFFF);
 
        /* enable HBI */
-       DIMCB_IoWrite(&g.dim2->HCTL, bit_mask(HCTL_EN_BIT));
+       dimcb_io_write(&g.dim2->HCTL, bit_mask(HCTL_EN_BIT));
 
        /* configure DMA */
-       DIMCB_IoWrite(&g.dim2->ACTL,
-                     ACTL_DMA_MODE_VAL_DMA_MODE_1 << ACTL_DMA_MODE_BIT |
-                     true << ACTL_SCE_BIT);
+       dimcb_io_write(&g.dim2->ACTL,
+                      ACTL_DMA_MODE_VAL_DMA_MODE_1 << ACTL_DMA_MODE_BIT |
+                      true << ACTL_SCE_BIT);
 }
 
 static bool dim2_is_mlb_locked(void)
        u32 const c1 = DIMCB_IoRead(&g.dim2->MLBC1);
        u32 const nda_mask = (u32)MLBC1_NDA_MASK << MLBC1_NDA_SHIFT;
 
-       DIMCB_IoWrite(&g.dim2->MLBC1, c1 & nda_mask);
+       dimcb_io_write(&g.dim2->MLBC1, c1 & nda_mask);
        return (DIMCB_IoRead(&g.dim2->MLBC1) & mask1) == 0 &&
               (DIMCB_IoRead(&g.dim2->MLBC0) & mask0) != 0;
 }
        }
 
        /* clear channel status bit */
-       DIMCB_IoWrite(&g.dim2->ACSR0, bit_mask(ch_addr));
+       dimcb_io_write(&g.dim2->ACSR0, bit_mask(ch_addr));
 
        return true;
 }
        } while (state_changed);
 
        /* clear pending Interrupts */
-       DIMCB_IoWrite(&g.dim2->MS0, 0);
-       DIMCB_IoWrite(&g.dim2->MS1, 0);
+       dimcb_io_write(&g.dim2->MS0, 0);
+       dimcb_io_write(&g.dim2->MS1, 0);
 }
 
 u8 DIM_ServiceChannel(struct dim_channel *ch)