1 /* 2 * Copyright (c) 2020-2021 Nordic Semiconductor ASA 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #if defined(CONFIG_BT_CTLR_ADV_ISO) || defined(CONFIG_BT_CTLR_CONN_ISO) 8 /* Calculate ISO PDU buffers required considering SDU fragmentation */ 9 /* FIXME: Calculation considering both Connected and Broadcast ISO PDU 10 * fragmentation. 11 */ 12 #if defined(CONFIG_BT_CTLR_CONN_ISO) 13 #define BT_CTLR_ISO_TX_BUFFERS (((CONFIG_BT_CTLR_CONN_ISO_SDU_LEN_MAX + \ 14 CONFIG_BT_CTLR_CONN_ISO_PDU_LEN_MAX - 1U) / \ 15 CONFIG_BT_CTLR_CONN_ISO_PDU_LEN_MAX) * \ 16 CONFIG_BT_CTLR_ISO_TX_BUFFERS) 17 #else /* !CONFIG_BT_CTLR_CONN_ISO */ 18 #define BT_CTLR_ISO_TX_BUFFERS CONFIG_BT_CTLR_ISO_TX_BUFFERS 19 #endif /* !CONFIG_BT_CTLR_CONN_ISO */ 20 #else /* !CONFIG_BT_CTLR_ADV_ISO && !CONFIG_BT_CTLR_CONN_ISO */ 21 #define BT_CTLR_ISO_TX_BUFFERS 0 22 #endif /* !CONFIG_BT_CTLR_ADV_ISO && !CONFIG_BT_CTLR_CONN_ISO */ 23 24 int ull_iso_init(void); 25 int ull_iso_reset(void); 26 struct ll_iso_datapath *ull_iso_datapath_alloc(void); 27 void ull_iso_datapath_release(struct ll_iso_datapath *dp); 28 void ll_iso_rx_put(memq_link_t *link, void *rx); 29 void *ll_iso_rx_get(void); 30 void ll_iso_rx_dequeue(void); 31 void ll_iso_transmit_test_send_sdu(uint16_t handle, uint32_t ticks_at_expire); 32 uint32_t ull_iso_big_sync_delay(uint8_t num_bis, uint32_t bis_spacing, uint8_t nse, 33 uint32_t sub_interval, uint8_t phy, uint8_t max_pdu, bool enc); 34 35 /* Must be implemented by vendor if vendor-specific data path is supported */ 36 bool ll_data_path_configured(uint8_t data_path_dir, uint8_t data_path_id); 37 /* Must be implemented by vendor if vendor-specific data path is supported */ 38 bool ll_data_path_sink_create(uint16_t handle, 39 struct ll_iso_datapath *datapath, 40 isoal_sink_sdu_alloc_cb *sdu_alloc, 41 isoal_sink_sdu_emit_cb *sdu_emit, 42 isoal_sink_sdu_write_cb *sdu_write); 43 /* Must be implemented by vendor if vendor-specific data path is supported */ 44 bool ll_data_path_source_create(uint16_t handle, 45 struct ll_iso_datapath *datapath, 46 isoal_source_pdu_alloc_cb *pdu_alloc, 47 isoal_source_pdu_write_cb *pdu_write, 48 isoal_source_pdu_emit_cb *pdu_emit, 49 isoal_source_pdu_release_cb *pdu_release); 50 51 /* Must be implemented by vendor if vendor-specific data path is supported */ 52 void ll_data_path_tx_pdu_release(uint16_t handle, struct node_tx_iso *node_tx); 53 54 void ull_iso_resume_ticker_start(struct lll_event *resume_event, 55 uint16_t group_handle, 56 uint16_t stream_handle, 57 uint8_t role, 58 uint32_t ticks_anchor, 59 uint32_t resume_timeout); 60
