+/* Common channel specific registers for omap1 */
+#define OMAP_DMA_CSDP_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x00)
+#define OMAP_DMA_CCR_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x02)
+#define OMAP_DMA_CICR_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x04)
+#define OMAP_DMA_CSR_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x06)
+#define OMAP_DMA_CEN_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x10)
+#define OMAP_DMA_CFN_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x12)
+#define OMAP_DMA_CSFI_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x14)
+#define OMAP_DMA_CSEI_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x16)
+#define OMAP_DMA_CSAC_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x18)
+#define OMAP_DMA_CDAC_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x1a)
+#define OMAP_DMA_CDEI_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x1c)
+#define OMAP_DMA_CDFI_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x1e)
+#define OMAP_DMA_CLNK_CTRL_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x28)
+
+#else
+
+#define OMAP_LOGICAL_DMA_CH_COUNT 32 /* REVISIT: Is this 32 + 2? */
+
+/* Common channel specific registers for omap2 */
+#define OMAP_DMA_CCR_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x80)
+#define OMAP_DMA_CLNK_CTRL_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x84)
+#define OMAP_DMA_CICR_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x88)
+#define OMAP_DMA_CSR_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x8c)
+#define OMAP_DMA_CSDP_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x90)
+#define OMAP_DMA_CEN_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x94)
+#define OMAP_DMA_CFN_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x98)
+#define OMAP_DMA_CSEI_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xa4)
+#define OMAP_DMA_CSFI_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xa8)
+#define OMAP_DMA_CDEI_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xac)
+#define OMAP_DMA_CDFI_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xb0)
+#define OMAP_DMA_CSAC_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xb4)
+#define OMAP_DMA_CDAC_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xb8)
+
+#endif
+
+/* Channel specific registers only on omap1 */
+#define OMAP1_DMA_CSSA_L_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x08)
+#define OMAP1_DMA_CSSA_U_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x0a)
+#define OMAP1_DMA_CDSA_L_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x0c)
+#define OMAP1_DMA_CDSA_U_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x0e)
+#define OMAP1_DMA_COLOR_L_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x20)
+#define OMAP1_DMA_CCR2_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x24)
+#define OMAP1_DMA_COLOR_U_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x22)
+#define OMAP1_DMA_LCH_CTRL_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x2a)
+
+/* Channel specific registers only on omap2 */
+#define OMAP2_DMA_CSSA_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x9c)
+#define OMAP2_DMA_CDSA_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xa0)
+#define OMAP2_DMA_CCEN_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xbc)
+#define OMAP2_DMA_CCFN_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xc0)
+#define OMAP2_DMA_COLOR_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xc4)
+
+/*----------------------------------------------------------------------------*/
+
+/* DMA channels for omap1 */