dma/ti/k3-udma.c

289 	struct udma_rchan *rchan;
382 	if (!uc->rchan)
384 	return udma_read(uc->rchan->reg_rt, reg);
389 	if (!uc->rchan)
391 	udma_write(uc->rchan->reg_rt, reg, val);
397 	if (!uc->rchan)
399 	udma_update_bits(uc->rchan->reg_rt, reg, mask, val);
610 	if (uc->rchan)
733 		if (uc->rchan) {
797 	if (uc->rchan) {
850 		 * the rchan.
1365 UDMA_RESERVE_RESOURCE(rchan);
1454 	if (uc->rchan) {
1455 		dev_dbg(ud->dev, "chan%d: already have rchan%d allocated\n",
1456 			uc->id, uc->rchan->id);
1465 	uc->rchan = __udma_reserve_rchan(ud, uc->config.channel_tpl,
1467 	if (IS_ERR(uc->rchan)) {
1468 		ret = PTR_ERR(uc->rchan);
1469 		uc->rchan = NULL;
1481 	if ((uc->tchan && uc->rchan) && uc->tchan->id == uc->rchan->id) {
1491 	} else if (uc->rchan) {
1492 		dev_err(ud->dev, "chan%d: already have rchan%d allocated\n",
1493 			uc->id, uc->rchan->id);
1501 	 * Note: in UDMAP the channel TPL is symmetric between tchan and rchan
1516 	uc->rchan = &ud->rchans[chan_id];
1529 	if (!uc->rchan) {
1530 		dev_err(ud->dev, "chan%d: does not have rchan??\n", uc->id);
1567 	if (uc->rchan) {
1568 		dev_dbg(ud->dev, "chan%d: put rchan%d\n", uc->id,
1569 			uc->rchan->id);
1570 		clear_bit(uc->rchan->id, ud->rchan_map);
1571 		uc->rchan = NULL;
1734 	if (!uc->rchan)
1770 		ret = udma_get_rflow(uc, uc->rchan->id);
1782 			     uc->rchan->id;
1871 	struct udma_rchan *rchan = uc->rchan;
1907 	req_rx.index = rchan->id;
1919 		dev_err(ud->dev, "rchan%d alloc failed %d\n", rchan->id, ret);
2034 	struct udma_rchan *rchan = uc->rchan;
2053 	req_rx.index = rchan->id;
2061 		dev_err(ud->dev, "rchan%d cfg failed %d\n", rchan->id, ret);
2081 	flow_req.flow_index = rchan->id;
2105 		dev_err(ud->dev, "flow%d config failed: %d\n", rchan->id, ret);
2115 	struct udma_rchan *rchan = uc->rchan;
2121 	req_rx.index = rchan->id;
2125 		dev_err(ud->dev, "rchan%d cfg failed %d\n", rchan->id, ret);
2141 	req_rx.index = uc->rchan->id;
2145 		dev_err(ud->dev, "rchan%d cfg failed %d\n", uc->rchan->id, ret);
2242 		uc->config.dst_thread = (ud->psil_base + uc->rchan->id) |
2278 		uc->config.dst_thread = (ud->psil_base + uc->rchan->id) |
2282 		irq_udma_idx = soc_data->oes.udma_rchan + uc->rchan->id;
2447 		uc->config.dst_thread = (ud->psil_base + uc->rchan->id) |
2450 		irq_ring_idx = uc->rchan->id + oes->bcdma_rchan_ring;
2451 		irq_udma_idx = uc->rchan->id + oes->bcdma_rchan_data;
2641 		uc->config.dst_thread = (ud->psil_base + uc->rchan->id) |
2720 	else if (uc->rchan)
2722 			"chan%d: rchan%d, rflow%d, Remote thread: 0x%04x\n",
2723 			uc->id, uc->rchan->id, uc->rflow->id,
4339 	.psil_base = 0x2000, /* for tchan and rchan, not applicable to bchan */
4521 	[RM_RANGE_RCHAN] = "ti,sci-rm-range-rchan",
4619 	/* rchan and matching default flow ranges */
4628 						  &rm_res->desc[i], "rchan");
4808 	/* rchan ranges */
4819 							  "rchan");
4963 	/* rchan ranges */
4971 						  &rm_res->desc[i], "rchan");
5076 			 "Channels: %d (tchan: %u, rchan: %u, gp-rflow: %u)\n",
5087 			 "Channels: %d (bchan: %u, tchan: %u, rchan: %u)\n",
5098 			 "Channels: %d (tchan: %u, rchan: %u)\n",
5233 		seq_printf(s, "rchan%d [0x%04x -> 0x%04x], ", uc->rchan->id,
5507 		struct udma_rchan *rchan = &ud->rchans[i];
5509 		rchan->id = i;
5510 		rchan->reg_rt = ud->mmrs[MMR_RCHANRT] + i * 0x1000;
5527 		uc->rchan = NULL;