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/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef CRAS_BT_IODEV_H_
#define CRAS_BT_IODEV_H_
#include "cras_bt_device.h"
struct cras_iodev;
/* Creates a bluetooth iodev. */
struct cras_iodev *cras_bt_io_create(struct cras_bt_device *device,
struct cras_iodev *dev,
enum cras_bt_device_profile profile);
/* Destroys a bluetooth iodev. */
void cras_bt_io_destroy(struct cras_iodev *bt_iodev);
/* Looks up for the node of given profile, returns NULL if doesn't exist. */
struct cras_ionode *cras_bt_io_get_profile(struct cras_iodev *bt_iodev,
enum cras_bt_device_profile profile);
/* Appends a profile specific iodev to bt_iodev. */
int cras_bt_io_append(struct cras_iodev *bt_iodev, struct cras_iodev *dev,
enum cras_bt_device_profile profile);
/* Checks if the active node of bt_io matches a profile. */
int cras_bt_io_on_profile(struct cras_iodev *bt_iodev,
enum cras_bt_device_profile profile);
/* Returns A2DP, HFP or HSP that this bt_iodev is running for.
* Do NOT use this function except for logging.
*/
enum cras_bt_device_profile
cras_bt_io_profile_to_log(struct cras_iodev *bt_iodev);
/* Dry-run the profile device removal from bt_iodev.
* Returns:
* 0 if the bt_iodev will be empty and should to be destroied
* after the removal, othersie the value of the next preffered
* profile to use.
*/
unsigned int cras_bt_io_try_remove(struct cras_iodev *bt_iodev,
struct cras_iodev *dev);
/* Removes a profile specific iodev from bt_iodev.
* Returns:
* 0 if dev is removed and bt_iodev successfully updated to
* the new profile, otherwise return negative error code. */
int cras_bt_io_remove(struct cras_iodev *bt_iodev, struct cras_iodev *dev);
#endif /* CRAS_BT_IODEV_H_ */
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