Bluetooth: controller: Add data path config for ISO sync receiver

- Assign sync_delay parameters for ISO-AL sink creation
- Store framing information from BIGinfo for use in sink creation
- Set max_octets for sink creation

Signed-off-by: Morten Priess <mtpr@oticon.com>

Author: mtpr-ot

subsys/bluetooth/controller/ll_sw/lll_sync_iso.h

@@ -25,6 +25,7 @@ struct lll_sync_iso {
 	uint16_t data_chan_remap_idx;
 
 	uint64_t payload_count:39;
+	uint64_t framing:1;
 	uint64_t enc:1;
 	uint64_t ctrl:1;
 	uint64_t cssn_curr:3;

subsys/bluetooth/controller/ll_sw/ull_iso.c

@@ -346,11 +346,12 @@ uint8_t ll_setup_iso_path(uint16_t handle, uint8_t path_dir, uint8_t path_id,
 		iso_interval = lll_iso->iso_interval;
 		sdu_interval = lll_iso->sdu_interval;
 		burst_number = lll_iso->bn;
+
+		group_sync_delay = ull_big_sync_delay(lll_iso);
+		stream_sync_delay = group_sync_delay - stream_handle * lll_iso->bis_spacing;
+		framed = lll_iso->framing;
+		max_octets = lll_iso->max_pdu;
 		flush_timeout = 0U; /* Not used for Broadcast ISO */
-		group_sync_delay = 0U; /* FIXME: */
-		stream_sync_delay = 0U; /* FIXME: */
-		framed = 0U; /* FIXME: pick the framing value from context */
-		max_octets = 0U;
 #endif /* CONFIG_BT_CTLR_SYNC_ISO */
 
 	} else {

subsys/bluetooth/controller/ll_sw/ull_sync_iso.c

@@ -472,6 +472,7 @@ void ull_sync_iso_setup(struct ll_sync_iso_set *sync_iso,
 	lll->payload_count |= (uint64_t)bi->payload_count_framing[2] << 16;
 	lll->payload_count |= (uint64_t)bi->payload_count_framing[3] << 24;
 	lll->payload_count |= (uint64_t)(bi->payload_count_framing[4] & 0x7f) << 32;
+	lll->framing = (bi->payload_count_framing[4] & 0x80) >> 7;
 
 	/* Set establishment event countdown */
 	lll->establish_events = CONN_ESTAB_COUNTDOWN;