| /* |
| * Copyright (c) 2021 Demant |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| struct lll_conn_iso_stream_rxtx { |
| uint64_t payload_number:39; /* cisPayloadNumber */ |
| uint8_t phy; /* PHY */ |
| uint8_t burst_number; /* Burst number (BN) */ |
| uint8_t flush_timeout; /* Flush timeout (FT) */ |
| uint8_t max_octets; /* Maximum PDU size */ |
| }; |
| |
| struct lll_conn_iso_stream { |
| uint16_t acl_handle; /* ACL connection handle (for encryption, |
| * channel map, crc init) |
| */ |
| uint16_t handle; /* CIS handle */ |
| |
| /* Connection parameters */ |
| uint8_t access_addr[4]; /* Access address */ |
| uint32_t offset; /* Offset of CIS from start of CIG in us */ |
| uint32_t sub_interval; /* Interval between subevents in us */ |
| uint8_t num_subevents; /* Number of subevents */ |
| struct lll_conn_iso_stream_rxtx rx; /* RX parameters */ |
| struct lll_conn_iso_stream_rxtx tx; /* TX parameters */ |
| |
| /* Event and payload counters */ |
| uint64_t event_count : 39; /* cisEventCount */ |
| |
| /* Acknowledgment and flow control */ |
| uint8_t sn:1; /* Sequence number */ |
| uint8_t nesn:1; /* Next expected sequence number */ |
| uint8_t cie:1; /* Close isochronous event */ |
| uint8_t flushed:1; /* 1 if CIS LLL has been flushed */ |
| uint8_t datapath_ready_rx:1;/* 1 if datapath for RX is ready */ |
| |
| /* Resumption information */ |
| uint8_t next_subevent; /* Next subevent to schedule */ |
| |
| /* Transmission queue */ |
| MEMQ_DECLARE(tx); |
| memq_link_t link_tx; |
| memq_link_t *link_tx_free; |
| }; |
| |
| struct lll_conn_iso_group { |
| struct lll_hdr hdr; |
| |
| uint16_t handle; /* CIG handle (internal) */ |
| uint8_t num_cis : 5; /* Number of CISes in this CIG */ |
| uint8_t role : 1; /* 0: CENTRAL, 1: PERIPHERAL*/ |
| uint8_t paused : 1; /* 1: CIG is paused */ |
| |
| /* Resumption information */ |
| uint16_t resume_cis; /* CIS handle to schedule at resume */ |
| }; |
| |
| int lll_conn_iso_init(void); |
| int lll_conn_iso_reset(void); |
| void lll_conn_iso_done(struct lll_conn_iso_group *cig, uint8_t trx_cnt, |
| uint16_t prog_to_anchor_us, uint8_t mic_state); |
| void lll_conn_iso_flush(uint16_t handle, struct lll_conn_iso_stream *lll); |
