1 /* @file 2 * @brief Internal APIs for BAP ISO handling 3 * 4 * Copyright (c) 2022 Codecoup 5 * Copyright (c) 2023-2024 Nordic Semiconductor ASA 6 * 7 * SPDX-License-Identifier: Apache-2.0 8 */ 9 10 #include <stdbool.h> 11 #include <stdint.h> 12 13 #include <zephyr/autoconf.h> 14 #include <zephyr/bluetooth/audio/audio.h> 15 #include <zephyr/bluetooth/audio/bap.h> 16 #include <zephyr/bluetooth/iso.h> 17 #include <zephyr/sys/atomic_types.h> 18 19 struct bt_bap_iso_dir { 20 struct bt_bap_stream *stream; 21 struct bt_bap_ep *ep; 22 struct bt_iso_chan_io_qos qos; 23 uint8_t cc[CONFIG_BT_AUDIO_CODEC_CFG_MAX_DATA_SIZE]; 24 }; 25 26 struct bt_bap_iso { 27 struct bt_iso_chan chan; 28 struct bt_iso_chan_qos qos; 29 30 struct bt_bap_iso_dir rx; 31 struct bt_bap_iso_dir tx; 32 33 /* Must be at the end so that everything else in the structure can be 34 * memset to zero without affecting the ref. 35 */ 36 atomic_t ref; 37 }; 38 39 typedef bool (*bt_bap_iso_func_t)(struct bt_bap_iso *iso, void *user_data); 40 41 struct bt_bap_iso *bt_bap_iso_new(void); 42 struct bt_bap_iso *bt_bap_iso_ref(struct bt_bap_iso *iso); 43 void bt_bap_iso_unref(struct bt_bap_iso *iso); 44 void bt_bap_iso_foreach(bt_bap_iso_func_t func, void *user_data); 45 struct bt_bap_iso *bt_bap_iso_find(bt_bap_iso_func_t func, void *user_data); 46 void bt_bap_iso_init(struct bt_bap_iso *iso, struct bt_iso_chan_ops *ops); 47 void bt_bap_iso_bind_ep(struct bt_bap_iso *iso, struct bt_bap_ep *ep); 48 void bt_bap_setup_iso_data_path(struct bt_bap_stream *stream); 49 void bt_bap_remove_iso_data_path(struct bt_bap_stream *stream); 50 void bt_bap_iso_unbind_ep(struct bt_bap_iso *iso, struct bt_bap_ep *ep); 51 struct bt_bap_ep *bt_bap_iso_get_ep(bool unicast_client, struct bt_bap_iso *iso, 52 enum bt_audio_dir dir); 53 54 struct bt_bap_ep *bt_bap_iso_get_paired_ep(const struct bt_bap_ep *ep); 55 /* Unicast client-only functions*/ 56 void bt_bap_iso_bind_stream(struct bt_bap_iso *bap_iso, struct bt_bap_stream *stream, 57 enum bt_audio_dir dir); 58 void bt_bap_iso_unbind_stream(struct bt_bap_stream *stream, enum bt_audio_dir dir); 59 struct bt_bap_stream *bt_bap_iso_get_stream(struct bt_bap_iso *iso, enum bt_audio_dir dir); 60