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https://git.kernel.org/pub/scm/bluetooth/bluez.git
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96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2006-2010 Nokia Corporation
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* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#define AVCTP_PSM 23
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/* ctype entries */
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#define AVC_CTYPE_CONTROL 0x0
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#define AVC_CTYPE_STATUS 0x1
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#define AVC_CTYPE_NOTIFY 0x3
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#define AVC_CTYPE_NOT_IMPLEMENTED 0x8
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#define AVC_CTYPE_ACCEPTED 0x9
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#define AVC_CTYPE_REJECTED 0xA
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#define AVC_CTYPE_STABLE 0xC
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#define AVC_CTYPE_CHANGED 0xD
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#define AVC_CTYPE_INTERIM 0xF
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/* opcodes */
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#define AVC_OP_VENDORDEP 0x00
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#define AVC_OP_UNITINFO 0x30
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#define AVC_OP_SUBUNITINFO 0x31
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#define AVC_OP_PASSTHROUGH 0x7c
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/* subunits of interest */
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#define AVC_SUBUNIT_PANEL 0x09
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/* operands in passthrough commands */
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#define VOL_UP_OP 0x41
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#define VOL_DOWN_OP 0x42
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#define MUTE_OP 0x43
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#define PLAY_OP 0x44
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#define STAVC_OP_OP 0x45
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#define PAUSE_OP 0x46
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#define RECORD_OP 0x47
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#define REWIND_OP 0x48
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#define FAST_FORWARD_OP 0x49
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#define EJECT_OP 0x4a
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#define FORWARD_OP 0x4b
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#define BACKWARD_OP 0x4c
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struct avctp;
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typedef enum {
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AVCTP_STATE_DISCONNECTED = 0,
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AVCTP_STATE_CONNECTING,
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AVCTP_STATE_CONNECTED
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} avctp_state_t;
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typedef void (*avctp_state_cb) (struct audio_device *dev,
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avctp_state_t old_state,
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avctp_state_t new_state,
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void *user_data);
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typedef size_t (*avctp_pdu_cb) (struct avctp *session, uint8_t transaction,
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uint8_t *code, uint8_t *subunit,
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uint8_t *operands, size_t operand_count,
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void *user_data);
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unsigned int avctp_add_state_cb(avctp_state_cb cb, void *user_data);
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gboolean avctp_remove_state_cb(unsigned int id);
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int avctp_register(const bdaddr_t *src, gboolean master);
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void avctp_unregister(const bdaddr_t *src);
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struct avctp *avctp_connect(const bdaddr_t *src, const bdaddr_t *dst);
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void avctp_disconnect(struct avctp *session);
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unsigned int avctp_register_pdu_handler(uint8_t opcode, avctp_pdu_cb cb,
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void *user_data);
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gboolean avctp_unregister_pdu_handler(unsigned int id);
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int avctp_send_passthrough(struct avctp *session, uint8_t op);
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int avctp_send_vendordep(struct avctp *session, uint8_t transaction,
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uint8_t code, uint8_t subunit,
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uint8_t *operands, size_t operand_count);
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