setup_frame_dma
setup_frame_dma(fbi, dma + 1, PAL_NONE, offset + nbytes, nbytes);
setup_frame_dma(fbi, dma, pal, offset, nbytes);
setup_frame_dma(ofb->fbi, DMA_OV1, PAL_NONE, start, size);
setup_frame_dma(ofb->fbi, DMA_OV2_Y, -1, start[0], size);
setup_frame_dma(ofb->fbi, DMA_OV2_Y, -1, start[0], size);
setup_frame_dma(ofb->fbi, DMA_OV2_Cb, -1, start[1], size / div);
setup_frame_dma(ofb->fbi, DMA_OV2_Cr, -1, start[2], size / div);
static int setup_frame_dma(struct pxafb_info *fbi, int dma, int pal,