197 	struct ls2x_dma_sg *ldma_sg;  in ls2x_dma_start_transfer()  local
210 	ldma_sg = &lchan->desc->sg[0];  in ls2x_dma_start_transfer()
214 	val = (ldma_sg->llp & ~LDMA_CONFIG_MASK) | LDMA_64BIT_EN | LDMA_START;  in ls2x_dma_start_transfer()
242 	struct ls2x_dma_sg *ldma_sg = &desc->sg[sg_index];  in ls2x_dma_fill_desc()  local
246 		ldma_sg->hw->cmd = LDMA_INT | LDMA_DATA_DIRECTION;  in ls2x_dma_fill_desc()
247 		ldma_sg->hw->apb_addr = lchan->sconfig.dst_addr;  in ls2x_dma_fill_desc()
249 		ldma_sg->hw->cmd = LDMA_INT;  in ls2x_dma_fill_desc()
250 		ldma_sg->hw->apb_addr = lchan->sconfig.src_addr;  in ls2x_dma_fill_desc()
253 	ldma_sg->hw->mem_addr = lower_32_bits(ldma_sg->phys);  in ls2x_dma_fill_desc()
254 	ldma_sg->hw->high_mem_addr = upper_32_bits(ldma_sg->phys);  in ls2x_dma_fill_desc()
257 	num_segments = DIV_ROUND_UP((ldma_sg->len + 3) >> 2, desc->burst_size);  in ls2x_dma_fill_desc()
258 	segment_size = DIV_ROUND_UP((ldma_sg->len + 3) >> 2, num_segments);  in ls2x_dma_fill_desc()
261 	ldma_sg->hw->len = segment_size;  in ls2x_dma_fill_desc()
262 	ldma_sg->hw->step_times = num_segments;  in ls2x_dma_fill_desc()
263 	ldma_sg->hw->step_len = 0;  in ls2x_dma_fill_desc()
267 		desc->sg[sg_index - 1].hw->ndesc_addr = ldma_sg->llp | LDMA_DESC_EN;  in ls2x_dma_fill_desc()
268 		desc->sg[sg_index - 1].hw->high_ndesc_addr = upper_32_bits(ldma_sg->llp);  in ls2x_dma_fill_desc()
347 		struct ls2x_dma_sg *ldma_sg = &desc->sg[i];  in ls2x_dma_prep_slave_sg()  local
350 		ldma_sg->hw = dma_pool_alloc(lchan->pool, GFP_NOWAIT, &ldma_sg->llp);  in ls2x_dma_prep_slave_sg()
351 		if (!ldma_sg->hw) {  in ls2x_dma_prep_slave_sg()
357 		ldma_sg->phys = sg_dma_address(sg);  in ls2x_dma_prep_slave_sg()
358 		ldma_sg->len = sg_dma_len(sg);  in ls2x_dma_prep_slave_sg()
413 		struct ls2x_dma_sg *ldma_sg = &desc->sg[i];  in ls2x_dma_prep_dma_cyclic()  local
416 		ldma_sg->hw = dma_pool_alloc(lchan->pool, GFP_NOWAIT, &ldma_sg->llp);  in ls2x_dma_prep_dma_cyclic()
417 		if (!ldma_sg->hw) {  in ls2x_dma_prep_dma_cyclic()
423 		ldma_sg->phys = buf_addr + period_len * i;  in ls2x_dma_prep_dma_cyclic()
424 		ldma_sg->len = period_len;  in ls2x_dma_prep_dma_cyclic()