85 	struct refill_engine *engine = txn->engine_handle;  in alloc_dma()  local
97 	BUG_ON((txn->current_va - engine->refill_va) > REFILL_BUFFER_SIZE);  in alloc_dma()
103 static int wait_status(struct refill_engine *engine, uint32_t wait_mask)  in wait_status()  argument
105 	struct dmm *dmm = engine->dmm;  in wait_status()
110 		r = readl(dmm->base + reg[PAT_STATUS][engine->id]);  in wait_status()
127 static void release_engine(struct refill_engine *engine)  in release_engine()  argument
132 	list_add(&engine->idle_node, &omap_dmm->idle_head);  in release_engine()
168 	struct refill_engine *engine = NULL;  in dmm_txn_init()  local
182 		engine = list_entry(dmm->idle_head.next, struct refill_engine,  in dmm_txn_init()
184 		list_del(&engine->idle_node);  in dmm_txn_init()
188 	BUG_ON(!engine);  in dmm_txn_init()
190 	txn = &engine->txn;  in dmm_txn_init()
191 	engine->tcm = tcm;  in dmm_txn_init()
192 	txn->engine_handle = engine;  in dmm_txn_init()
194 	txn->current_va = engine->refill_va;  in dmm_txn_init()
195 	txn->current_pa = engine->refill_pa;  in dmm_txn_init()
210 	struct refill_engine *engine = txn->engine_handle;  in dmm_txn_append()  local
223 	pat->area.y0 += engine->tcm->y_offset;  in dmm_txn_append()
224 	pat->area.y1 += engine->tcm->y_offset;  in dmm_txn_append()
228 			.lut_id = engine->tcm->lut_id,  in dmm_txn_append()
240 			page_to_phys(pages[n]) : engine->dmm->dummy_pa;  in dmm_txn_append()
254 	struct refill_engine *engine = txn->engine_handle;  in dmm_txn_commit()  local
255 	struct dmm *dmm = engine->dmm;  in dmm_txn_commit()
258 		dev_err(engine->dmm->dev, "need at least one txn\n");  in dmm_txn_commit()
266 	writel(0x0, dmm->base + reg[PAT_DESCR][engine->id]);  in dmm_txn_commit()
269 	ret = wait_status(engine, DMM_PATSTATUS_READY);  in dmm_txn_commit()
276 	engine->async = wait ? false : true;  in dmm_txn_commit()
277 	reinit_completion(&engine->compl);  in dmm_txn_commit()
282 	writel(engine->refill_pa,  in dmm_txn_commit()
283 		dmm->base + reg[PAT_DESCR][engine->id]);  in dmm_txn_commit()
286 		if (!wait_for_completion_timeout(&engine->compl,  in dmm_txn_commit()
296 		release_engine(engine);  in dmm_txn_commit()