171 lines
4.8 KiB
C
171 lines
4.8 KiB
C
/*
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* avdtp_internal.h - avdtp handling
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* Copyright (c) 2015-2016 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <bluetooth/avdtp.h>
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/* @brief A2DP ROLE's */
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#define A2DP_SRC_ROLE 0x00
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#define A2DP_SNK_ROLE 0x01
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/* @brief AVDTP Role */
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#define BT_AVDTP_INT 0x00
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#define BT_AVDTP_ACP 0x01
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#define BT_L2CAP_PSM_AVDTP 0x0019
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/* AVDTP SIGNAL HEADER - Packet Type*/
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#define BT_AVDTP_PACKET_TYPE_SINGLE 0x00
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#define BT_AVDTP_PACKET_TYPE_START 0x01
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#define BT_AVDTP_PACKET_TYPE_CONTINUE 0x02
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#define BT_AVDTP_PACKET_TYPE_END 0x03
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/* AVDTP SIGNAL HEADER - MESSAGE TYPE */
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#define BT_AVDTP_CMD 0x00
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#define BT_AVDTP_GEN_REJECT 0x01
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#define BT_AVDTP_ACCEPT 0x02
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#define BT_AVDTP_REJECT 0x03
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/* @brief AVDTP SIGNAL HEADER - Signal Identifier */
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#define BT_AVDTP_DISCOVER 0x01
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#define BT_AVDTP_GET_CAPABILITIES 0x02
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#define BT_AVDTP_SET_CONFIGURATION 0x03
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#define BT_AVDTP_GET_CONFIGURATION 0x04
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#define BT_AVDTP_RECONFIGURE 0x05
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#define BT_AVDTP_OPEN 0x06
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#define BT_AVDTP_START 0x07
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#define BT_AVDTP_CLOSE 0x08
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#define BT_AVDTP_SUSPEND 0x09
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#define BT_AVDTP_ABORT 0x0a
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#define BT_AVDTP_SECURITY_CONTROL 0x0b
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#define BT_AVDTP_GET_ALL_CAPABILITIES 0x0c
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#define BT_AVDTP_DELAYREPORT 0x0d
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/* @brief AVDTP STREAM STATE */
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#define BT_AVDTP_STREAM_STATE_IDLE 0x01
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#define BT_AVDTP_STREAM_STATE_CONFIGURED 0x02
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#define BT_AVDTP_STREAM_STATE_OPEN 0x03
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#define BT_AVDTP_STREAM_STATE_STREAMING 0x04
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#define BT_AVDTP_STREAM_STATE_CLOSING 0x05
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/* @brief AVDTP Media TYPE */
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#define BT_AVDTP_SERVICE_CAT_MEDIA_TRANSPORT 0x01
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#define BT_AVDTP_SERVICE_CAT_REPORTING 0x02
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#define BT_AVDTP_SERVICE_CAT_RECOVERY 0x03
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#define BT_AVDTP_SERVICE_CAT_CONTENT_PROTECTION 0x04
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#define BT_AVDTP_SERVICE_CAT_HDR_COMPRESSION 0x05
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#define BT_AVDTP_SERVICE_CAT_MULTIPLEXING 0x06
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#define BT_AVDTP_SERVICE_CAT_MEDIA_CODEC 0x07
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#define BT_AVDTP_SERVICE_CAT_DELAYREPORTING 0x08
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/* AVDTP Error Codes */
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#define BT_AVDTP_SUCCESS 0x00
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#define BT_AVDTP_ERR_BAD_HDR_FORMAT 0x01
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#define BT_AVDTP_ERR_BAD_LENGTH 0x11
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#define BT_AVDTP_ERR_BAD_ACP_SEID 0x12
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#define BT_AVDTP_ERR_SEP_IN_USE 0x13
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#define BT_AVDTP_ERR_SEP_NOT_IN_USE 0x14
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#define BT_AVDTP_ERR_BAD_SERV_CATEGORY 0x17
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#define BT_AVDTP_ERR_BAD_PAYLOAD_FORMAT 0x18
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#define BT_AVDTP_ERR_NOT_SUPPORTED_COMMAND 0x19
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#define BT_AVDTP_ERR_INVALID_CAPABILITIES 0x1a
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#define BT_AVDTP_ERR_BAD_RECOVERY_TYPE 0x22
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#define BT_AVDTP_ERR_BAD_MEDIA_TRANSPORT_FORMAT 0x23
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#define BT_AVDTP_ERR_BAD_RECOVERY_FORMAT 0x25
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#define BT_AVDTP_ERR_BAD_ROHC_FORMAT 0x26
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#define BT_AVDTP_ERR_BAD_CP_FORMAT 0x27
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#define BT_AVDTP_ERR_BAD_MULTIPLEXING_FORMAT 0x28
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#define BT_AVDTP_ERR_UNSUPPORTED_CONFIGURAION 0x29
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#define BT_AVDTP_ERR_BAD_STATE 0x31
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#define BT_AVDTP_MAX_MTU CONFIG_BT_L2CAP_RX_MTU
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#define BT_AVDTP_MIN_SEID 0x01
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#define BT_AVDTP_MAX_SEID 0x3E
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struct bt_avdtp;
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struct bt_avdtp_req;
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typedef int (*bt_avdtp_func_t)(struct bt_avdtp *session,
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struct bt_avdtp_req *req);
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struct bt_avdtp_req {
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uint8_t sig;
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uint8_t tid;
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bt_avdtp_func_t func;
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struct k_delayed_work timeout_work;
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};
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struct bt_avdtp_single_sig_hdr {
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uint8_t hdr;
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uint8_t signal_id;
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} __packed;
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#define BT_AVDTP_SIG_HDR_LEN sizeof(struct bt_avdtp_single_sig_hdr)
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struct bt_avdtp_ind_cb {
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/*
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* discovery_ind;
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* get_capabilities_ind;
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* set_configuration_ind;
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* open_ind;
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* start_ind;
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* suspend_ind;
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* close_ind;
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*/
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};
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struct bt_avdtp_cap {
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uint8_t cat;
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uint8_t len;
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uint8_t data[0];
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};
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struct bt_avdtp_sep {
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uint8_t seid;
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uint8_t len;
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struct bt_avdtp_cap caps[0];
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};
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struct bt_avdtp_discover_params {
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struct bt_avdtp_req req;
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uint8_t status;
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struct bt_avdtp_sep *caps;
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};
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/** @brief Global AVDTP session structure. */
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struct bt_avdtp {
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struct bt_l2cap_br_chan br_chan;
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struct bt_avdtp_stream *streams; /* List of AV streams */
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struct bt_avdtp_req *req;
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};
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struct bt_avdtp_event_cb {
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struct bt_avdtp_ind_cb *ind;
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int (*accept)(struct bt_conn *conn, struct bt_avdtp **session);
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};
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/* Initialize AVDTP layer*/
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int bt_avdtp_init(void);
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/* Application register with AVDTP layer */
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int bt_avdtp_register(struct bt_avdtp_event_cb *cb);
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/* AVDTP connect */
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int bt_avdtp_connect(struct bt_conn *conn, struct bt_avdtp *session);
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/* AVDTP disconnect */
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int bt_avdtp_disconnect(struct bt_avdtp *session);
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/* AVDTP SEP register function */
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int bt_avdtp_register_sep(uint8_t media_type, uint8_t role,
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struct bt_avdtp_seid_lsep *sep);
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/* AVDTP Discover Request */
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int bt_avdtp_discover(struct bt_avdtp *session,
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struct bt_avdtp_discover_params *param);
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