CAPS_0
dma_read(CAPS_0, 0), dma_read(CAPS_1, 0),
[CAPS_0] = { 0x044e, 0x00, OMAP_DMA_REG_2X16BIT },
[CAPS_0] = { 0x0064, 0x00, OMAP_DMA_REG_32BIT },
if (omap_dma_glbl_read(od, CAPS_0) & CAPS_0_SUPPORT_LL123)