221 	struct udma_tchan *tchan;  member
292 	if (!uc->tchan)  in udma_tchanrt_read()
294 	return udma_read(uc->tchan->reg_rt, reg);  in udma_tchanrt_read()
299 	if (!uc->tchan)  in udma_tchanrt_write()
301 	udma_write(uc->tchan->reg_rt, reg, val);  in udma_tchanrt_write()
307 	if (!uc->tchan)  in udma_tchanrt_update_bits()
309 	udma_update_bits(uc->tchan->reg_rt, reg, mask, val);  in udma_tchanrt_update_bits()
370 		dev_dbg(dev, "TCHAN State data:\n");  in udma_dump_chan_stdata()
505 	if (uc->tchan)  in udma_is_chan_running()
560 		ring = uc->tchan->t_ring;  in udma_push_to_ring()
600 		ring = uc->tchan->tc_ring;  in udma_pop_from_ring()
637 		if (uc->tchan) {  in udma_reset_rings()
638 			ring1 = uc->tchan->t_ring;  in udma_reset_rings()
639 			ring2 = uc->tchan->tc_ring;  in udma_reset_rings()
663 	if (uc->tchan) {  in udma_reset_counters()
1234 UDMA_RESERVE_RESOURCE(tchan);
1241 	if (uc->tchan) {  in udma_get_tchan()
1242 		dev_dbg(ud->dev, "chan%d: already have tchan%d allocated\n",  in udma_get_tchan()
1243 			uc->id, uc->tchan->id);  in udma_get_tchan()
1247 	uc->tchan = __udma_reserve_tchan(ud, uc->config.channel_tpl, -1);  in udma_get_tchan()
1249 	return PTR_ERR_OR_ZERO(uc->tchan);  in udma_get_tchan()
1272 	if ((uc->tchan && uc->rchan) && uc->tchan->id == uc->rchan->id) {  in udma_get_chan_pair()
1274 			 uc->id, uc->tchan->id);  in udma_get_chan_pair()
1278 	if (uc->tchan) {  in udma_get_chan_pair()
1279 		dev_err(ud->dev, "chan%d: already have tchan%d allocated\n",  in udma_get_chan_pair()
1280 			uc->id, uc->tchan->id);  in udma_get_chan_pair()
1303 	uc->tchan = &ud->tchans[chan_id];  in udma_get_chan_pair()
1345 	if (uc->tchan) {  in udma_put_tchan()
1346 		dev_dbg(ud->dev, "chan%d: put tchan%d\n", uc->id,  in udma_put_tchan()
1347 			uc->tchan->id);  in udma_put_tchan()
1348 		clear_bit(uc->tchan->id, ud->tchan_map);  in udma_put_tchan()
1349 		uc->tchan = NULL;  in udma_put_tchan()
1367 	if (!uc->tchan)  in udma_free_tx_resources()
1370 	k3_ringacc_ring_free(uc->tchan->t_ring);  in udma_free_tx_resources()
1371 	k3_ringacc_ring_free(uc->tchan->tc_ring);  in udma_free_tx_resources()
1372 	uc->tchan->t_ring = NULL;  in udma_free_tx_resources()
1373 	uc->tchan->tc_ring = NULL;  in udma_free_tx_resources()
1388 	ret = k3_ringacc_request_rings_pair(ud->ringacc, uc->tchan->id, -1,  in udma_alloc_tx_resources()
1389 					    &uc->tchan->t_ring,  in udma_alloc_tx_resources()
1390 					    &uc->tchan->tc_ring);  in udma_alloc_tx_resources()
1401 	ret = k3_ringacc_ring_cfg(uc->tchan->t_ring, &ring_cfg);  in udma_alloc_tx_resources()
1402 	ret |= k3_ringacc_ring_cfg(uc->tchan->tc_ring, &ring_cfg);  in udma_alloc_tx_resources()
1410 	k3_ringacc_ring_free(uc->tchan->tc_ring);  in udma_alloc_tx_resources()
1411 	uc->tchan->tc_ring = NULL;  in udma_alloc_tx_resources()
1412 	k3_ringacc_ring_free(uc->tchan->t_ring);  in udma_alloc_tx_resources()
1413 	uc->tchan->t_ring = NULL;  in udma_alloc_tx_resources()
1528 	struct udma_tchan *tchan = uc->tchan;  in udma_tisci_m2m_channel_config()  local
1533 	int tc_ring = k3_ringacc_get_ring_id(tchan->tc_ring);  in udma_tisci_m2m_channel_config()
1539 	req_tx.index = tchan->id;  in udma_tisci_m2m_channel_config()
1547 		dev_err(ud->dev, "tchan%d cfg failed %d\n", tchan->id, ret);  in udma_tisci_m2m_channel_config()
1571 	struct udma_tchan *tchan = uc->tchan;  in udma_tisci_tx_channel_config()  local
1572 	int tc_ring = k3_ringacc_get_ring_id(tchan->tc_ring);  in udma_tisci_tx_channel_config()
1588 	req_tx.index = tchan->id;  in udma_tisci_tx_channel_config()
1597 		dev_err(ud->dev, "tchan%d cfg failed %d\n", tchan->id, ret);  in udma_tisci_tx_channel_config()
1746 		uc->config.src_thread = ud->psil_base + uc->tchan->id;  in udma_alloc_chan_resources()
1750 		irq_ring = uc->tchan->tc_ring;  in udma_alloc_chan_resources()
1751 		irq_udma_idx = uc->tchan->id;  in udma_alloc_chan_resources()
1764 		uc->config.src_thread = ud->psil_base + uc->tchan->id;  in udma_alloc_chan_resources()
1768 		irq_ring = uc->tchan->tc_ring;  in udma_alloc_chan_resources()
1769 		irq_udma_idx = uc->tchan->id;  in udma_alloc_chan_resources()
1963 		ring_id = k3_ringacc_get_ring_id(uc->tchan->tc_ring);  in udma_alloc_tr_desc()
2170 		ring_id = k3_ringacc_get_ring_id(uc->tchan->tc_ring);  in udma_prep_slave_sg_pkt()
2481 		ring_id = k3_ringacc_get_ring_id(uc->tchan->tc_ring);  in udma_prep_dma_cyclic_pkt()
3179 	static const char * const range_names[] = { "ti,sci-rm-range-tchan",  in udma_setup_resources()
3255 	/* tchan ranges */  in udma_setup_resources()
3265 			dev_dbg(dev, "ti-sci-res: tchan: %d:%d\n",  in udma_setup_resources()
3332 	dev_info(dev, "Channels: %d (tchan: %u, rchan: %u, gp-rflow: %u)\n",  in udma_setup_resources()
3450 		seq_printf(s, "chan%d pair [0x%04x -> 0x%04x], ", uc->tchan->id,  in udma_dbg_summary_show_chan()
3458 		seq_printf(s, "tchan%d [0x%04x -> 0x%04x], ", uc->tchan->id,  in udma_dbg_summary_show_chan()
3632 		struct udma_tchan *tchan = &ud->tchans[i];  in udma_probe()  local
3634 		tchan->id = i;  in udma_probe()
3635 		tchan->reg_rt = ud->mmrs[MMR_TCHANRT] + i * 0x1000;  in udma_probe()
3657 		uc->tchan = NULL;  in udma_probe()