60 static u16 dwc2_desclist_idx_inc(u16 idx, u16 inc, u8 speed)  in dwc2_desclist_idx_inc()  argument
62 	return (idx + inc) &  in dwc2_desclist_idx_inc()
67 static u16 dwc2_desclist_idx_dec(u16 idx, u16 inc, u8 speed)  in dwc2_desclist_idx_dec()  argument
69 	return (idx - inc) &  in dwc2_desclist_idx_dec()
510 					 u16 idx)  in dwc2_fill_host_isoc_dma_desc()  argument
512 	struct dwc2_hcd_dma_desc *dma_desc = &qh->desc_list[idx];  in dwc2_fill_host_isoc_dma_desc()
519 		qh->n_bytes[idx] = max_xfer_size;  in dwc2_fill_host_isoc_dma_desc()
521 		qh->n_bytes[idx] = frame_desc->length;  in dwc2_fill_host_isoc_dma_desc()
524 	dma_desc->status = qh->n_bytes[idx] << HOST_DMA_ISOC_NBYTES_SHIFT &  in dwc2_fill_host_isoc_dma_desc()
542 	u16 idx, inc, n_desc, ntd_max = 0;  in dwc2_init_isoc_dma_desc()  local
544 	idx = qh->td_last;  in dwc2_init_isoc_dma_desc()
564 						     max_xfer_size, idx);  in dwc2_init_isoc_dma_desc()
565 			idx = dwc2_desclist_idx_inc(idx, inc, qh->dev_speed);  in dwc2_init_isoc_dma_desc()
571 	qh->td_last = idx;  in dwc2_init_isoc_dma_desc()
576 		idx = dwc2_desclist_idx_dec(qh->td_last, inc, qh->dev_speed);  in dwc2_init_isoc_dma_desc()
577 		qh->desc_list[idx].status |= HOST_DMA_IOC;  in dwc2_init_isoc_dma_desc()
596 		idx = dwc2_desclist_idx_dec(idx, inc * ((qh->ntd + 1) / 2),  in dwc2_init_isoc_dma_desc()
604 		idx = dwc2_desclist_idx_dec(qh->td_last, inc, qh->dev_speed);  in dwc2_init_isoc_dma_desc()
606 	qh->desc_list[idx].status |= HOST_DMA_IOC;  in dwc2_init_isoc_dma_desc()
801 					struct dwc2_qh *qh, u16 idx)  in dwc2_cmpl_host_isoc_dma_desc()  argument
803 	struct dwc2_hcd_dma_desc *dma_desc = &qh->desc_list[idx];  in dwc2_cmpl_host_isoc_dma_desc()
824 		frame_desc->actual_length = qh->n_bytes[idx] - remain;  in dwc2_cmpl_host_isoc_dma_desc()
828 		frame_desc->actual_length = qh->n_bytes[idx] - remain;  in dwc2_cmpl_host_isoc_dma_desc()
867 	u16 idx;  in dwc2_complete_isoc_xfer_ddma()  local
871 	idx = qh->td_first;  in dwc2_complete_isoc_xfer_ddma()
896 				for (idx = 0; idx < qtd->urb->packet_count;  in dwc2_complete_isoc_xfer_ddma()
897 				     idx++) {  in dwc2_complete_isoc_xfer_ddma()
898 					frame_desc = &qtd->urb->iso_descs[idx];  in dwc2_complete_isoc_xfer_ddma()
916 							  idx);  in dwc2_complete_isoc_xfer_ddma()
919 			idx = dwc2_desclist_idx_inc(idx, qh->interval,  in dwc2_complete_isoc_xfer_ddma()
925 		} while (idx != qh->td_first);  in dwc2_complete_isoc_xfer_ddma()
929 	qh->td_first = idx;  in dwc2_complete_isoc_xfer_ddma()