83 static void *alloc_dma(struct dmm_txn *txn, size_t sz, dma_addr_t *pa)  in alloc_dma()  argument
86 	struct refill_engine *engine = txn->engine_handle;  in alloc_dma()
89 	txn->current_pa = round_up(txn->current_pa, 16);  in alloc_dma()
90 	txn->current_va = (void *)round_up((long)txn->current_va, 16);  in alloc_dma()
92 	ptr = txn->current_va;  in alloc_dma()
93 	*pa = txn->current_pa;  in alloc_dma()
95 	txn->current_pa += sz;  in alloc_dma()
96 	txn->current_va += sz;  in alloc_dma()
98 	BUG_ON((txn->current_va - engine->refill_va) > REFILL_BUFFER_SIZE);  in alloc_dma()
168 	struct dmm_txn *txn = NULL;  in dmm_txn_init()  local
191 	txn = &engine->txn;  in dmm_txn_init()
193 	txn->engine_handle = engine;  in dmm_txn_init()
194 	txn->last_pat = NULL;  in dmm_txn_init()
195 	txn->current_va = engine->refill_va;  in dmm_txn_init()
196 	txn->current_pa = engine->refill_pa;  in dmm_txn_init()
198 	return txn;  in dmm_txn_init()
205 static void dmm_txn_append(struct dmm_txn *txn, struct pat_area *area,  in dmm_txn_append()  argument
211 	struct refill_engine *engine = txn->engine_handle;  in dmm_txn_append()
216 	pat = alloc_dma(txn, sizeof(struct pat), &pat_pa);  in dmm_txn_append()
218 	if (txn->last_pat)  in dmm_txn_append()
219 		txn->last_pat->next_pa = (uint32_t)pat_pa;  in dmm_txn_append()
232 	data = alloc_dma(txn, 4*i, &data_pa);  in dmm_txn_append()
244 	txn->last_pat = pat;  in dmm_txn_append()
252 static int dmm_txn_commit(struct dmm_txn *txn, bool wait)  in dmm_txn_commit()  argument
255 	struct refill_engine *engine = txn->engine_handle;  in dmm_txn_commit()
258 	if (!txn->last_pat) {  in dmm_txn_commit()
264 	txn->last_pat->next_pa = 0;  in dmm_txn_commit()
310 	struct dmm_txn *txn;  in fill()  local
312 	txn = dmm_txn_init(omap_dmm, area->tcm);  in fill()
313 	if (IS_ERR_OR_NULL(txn))  in fill()
322 		dmm_txn_append(txn, &p_area, pages, npages, roll);  in fill()
327 	ret = dmm_txn_commit(txn, wait);  in fill()