/* $NetBSD$ */

/*-
 * Copyright (c) 2015 Nathanial Sloss <nathanialsloss@yahoo.com.au>
 *
 *              This software is dedicated to the memory of -
 *         Baron James Anlezark (Barry) - 1 Jan 1949 - 13 May 2012.
 *
 *              Barry was a man who loved his music.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _AVDTP_SIGNAL_H_
#define _AVDTP_SIGNAL_H_

#include <stdint.h>
#include <stdbool.h>

/* Our endpoint. */
#define INTSEP                          8
#define ACPSEP                          8

/* AVDTP signals. */

#define AVDTP_DISCOVER                  0x01
#define AVDTP_GET_CAPABILITIES          0x02
#define AVDTP_SET_CONFIGURATION         0x03
#define AVDTP_GET_CONFIGURATION         0x04
#define AVDTP_RECONFIGURE               0x05
#define AVDTP_OPEN                      0x06
#define AVDTP_START                     0x07
#define AVDTP_CLOSE                     0x08
#define AVDTP_SUSPEND                   0x09
#define AVDTP_ABORT                     0x0a
#define AVDTP_SECUURITY_CONTROL         0x0b

/* Signal Command & Response Header Masks. */

#define TRANSACTIONLABEL                0xf0
#define TRANSACTIONLABEL_S              4
#define SIGNALID_MASK                   0x3f
#define PACKETTYPE                      0x0c
#define PACKETTYPE_S                    0x02
#define MESSAGETYPE                     0x03
#define SIGNALIDENTIFIER                0x3f
#define DISCOVER_SEP_IN_USE             0x02
#define DISCOVER_IS_SINK                0x08

/* Packet Types */
#define singlePacket                    0x0
#define startPacket                     0x1
#define continuePacket                  0x2
#define endPacket                       0x3

/* Message Types */
#define COMMAND                         0x0
#define RESPONSEACCEPT                  0x2
#define RESPONSEREJECT                  0x3

/* Response general error/success lengths */
#define AVDTP_LEN_SUCCESS               2
#define AVDTP_LEN_ERROR                 3

/* Error codes */
#define BAD_HEADER_FORMAT               0x01
#define BAD_LENGTH                      0x11
#define BAD_ACP_SEID                    0x12
#define SEP_IN_USE                      0x13
#define SEP_NOT_IN_USE                  0x14
#define BAD_SERV_CATAGORY               0x17
#define BAD_PAYLOAD_FORMAT              0x18
#define NOT_SUPPORTED_COMMAND           0x19
#define INVALID_CAPABILITIES            0x1a

#define BAD_RECOVERY_TYPE               0x22
#define BAD_MEDIA_TRANSPORT_FORMAT      0x23
#define BAD_RECOVERY_FORMAT             0x25
#define BAD_ROHC_FORMAT                 0x26
#define BAD_CP_FORMAT                   0x27
#define BAD_MULTIPLEXING_FORMAT         0x28
#define UNSUPPORTED_CONFIGURATION       0x29
#define BAD_STATE                       0x31

/* Service Capabilities Field. */
#define mediaTransport                  0x1
#define reporting                       0x2
#define recovery                        0x3
#define contentProtection               0x4
#define headerCompression               0x5
#define multiplexing                    0x6
#define mediaCodec                      0x7

/* Media Codec Capabilities */
#define mediaCodecSbc                   0x00
#define mediaCodecMpeg1                 0x01
#define mediaCodecMpeg2                 0x02

#define SBC_CODEC_ID                    0x0
#define mediaTypeAudio                  0x0

struct bt_config;

int     avdtpSendAccept(int, uint8_t, uint8_t);
int     avdtpSendReject(int, uint8_t, uint8_t);
int     avdtpSendDiscResponseAudio(int, uint8_t, uint8_t, uint8_t);
int     avdtpDiscoverAndConfig(struct bt_config *, bool);
int     avdtpSetConfiguration(int, uint8_t, uint8_t *, int);
int     avdtpOpen(int, uint8_t);
int     avdtpStart(int, uint8_t);
int     avdtpClose(int, uint8_t);
int     avdtpSuspend(int, uint8_t);
int     avdtpAbort(int, uint8_t);

/* Return < 0 if error, processed signal otherwise. */
int     avdtpACPHandlePacket(struct bt_config *cfg);
/* Free state allocated in avdtpACPHandlePacket(), if any. */
void    avdtpACPFree(struct bt_config *cfg);

#endif                                  /* _AVDTP_SIGNAL_H_ */