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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2006-2010 Nokia Corporation
* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#define AVCTP_PSM 23
#define AVC_MTU 512
#define AVC_HEADER_LENGTH 3
/* ctype entries */
#define AVC_CTYPE_CONTROL 0x0
#define AVC_CTYPE_STATUS 0x1
#define AVC_CTYPE_NOTIFY 0x3
#define AVC_CTYPE_NOT_IMPLEMENTED 0x8
#define AVC_CTYPE_ACCEPTED 0x9
#define AVC_CTYPE_REJECTED 0xA
#define AVC_CTYPE_STABLE 0xC
#define AVC_CTYPE_CHANGED 0xD
#define AVC_CTYPE_INTERIM 0xF
/* opcodes */
#define AVC_OP_VENDORDEP 0x00
#define AVC_OP_UNITINFO 0x30
#define AVC_OP_SUBUNITINFO 0x31
#define AVC_OP_PASSTHROUGH 0x7c
/* subunits of interest */
#define AVC_SUBUNIT_PANEL 0x09
/* operands in passthrough commands */
#define VOL_UP_OP 0x41
#define VOL_DOWN_OP 0x42
#define MUTE_OP 0x43
#define PLAY_OP 0x44
#define STAVC_OP_OP 0x45
#define PAUSE_OP 0x46
#define RECORD_OP 0x47
#define REWIND_OP 0x48
#define FAST_FORWARD_OP 0x49
#define EJECT_OP 0x4a
#define FORWARD_OP 0x4b
#define BACKWARD_OP 0x4c
struct avctp;
typedef enum {
AVCTP_STATE_DISCONNECTED = 0,
AVCTP_STATE_CONNECTING,
AVCTP_STATE_CONNECTED
} avctp_state_t;
typedef void (*avctp_state_cb) (struct audio_device *dev,
avctp_state_t old_state,
avctp_state_t new_state,
void *user_data);
typedef size_t (*avctp_pdu_cb) (struct avctp *session, uint8_t transaction,
uint8_t *code, uint8_t *subunit,
uint8_t *operands, size_t operand_count,
void *user_data);
unsigned int avctp_add_state_cb(avctp_state_cb cb, void *user_data);
gboolean avctp_remove_state_cb(unsigned int id);
int avctp_register(const bdaddr_t *src, gboolean master);
void avctp_unregister(const bdaddr_t *src);
struct avctp *avctp_connect(const bdaddr_t *src, const bdaddr_t *dst);
struct avctp *avctp_get(const bdaddr_t *src, const bdaddr_t *dst);
void avctp_disconnect(struct avctp *session);
unsigned int avctp_register_pdu_handler(uint8_t opcode, avctp_pdu_cb cb,
void *user_data);
gboolean avctp_unregister_pdu_handler(unsigned int id);
int avctp_send_passthrough(struct avctp *session, uint8_t op);
int avctp_send_vendordep(struct avctp *session, uint8_t transaction,
uint8_t code, uint8_t subunit,
uint8_t *operands, size_t operand_count);
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