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/* Copyright (c) 2013 The Chromium 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_DEVICE_H_
#define CRAS_BT_DEVICE_H_
#include <dbus/dbus.h>
struct cras_bt_adapter;
struct cras_bt_device;
struct cras_iodev;
struct cras_timer;
enum cras_bt_device_profile {
CRAS_BT_DEVICE_PROFILE_A2DP_SOURCE = (1 << 0),
CRAS_BT_DEVICE_PROFILE_A2DP_SINK = (1 << 1),
CRAS_BT_DEVICE_PROFILE_AVRCP_REMOTE = (1 << 2),
CRAS_BT_DEVICE_PROFILE_AVRCP_TARGET = (1 << 3),
CRAS_BT_DEVICE_PROFILE_HFP_HANDSFREE = (1 << 4),
CRAS_BT_DEVICE_PROFILE_HFP_AUDIOGATEWAY = (1 << 5),
CRAS_BT_DEVICE_PROFILE_HSP_HEADSET = (1 << 6),
CRAS_BT_DEVICE_PROFILE_HSP_AUDIOGATEWAY = (1 << 7)
};
enum cras_bt_device_profile cras_bt_device_profile_from_uuid(const char *uuid);
struct cras_bt_device *cras_bt_device_create(DBusConnection *conn,
const char *object_path);
void cras_bt_device_destroy(struct cras_bt_device *device);
void cras_bt_device_reset();
struct cras_bt_device *cras_bt_device_get(const char *object_path);
size_t cras_bt_device_get_list(struct cras_bt_device ***device_list_out);
const char *cras_bt_device_object_path(const struct cras_bt_device *device);
struct cras_bt_adapter *cras_bt_device_adapter(
const struct cras_bt_device *device);
const char *cras_bt_device_address(const struct cras_bt_device *device);
const char *cras_bt_device_name(const struct cras_bt_device *device);
int cras_bt_device_paired(const struct cras_bt_device *device);
int cras_bt_device_trusted(const struct cras_bt_device *device);
int cras_bt_device_connected(const struct cras_bt_device *device);
void cras_bt_device_update_properties(struct cras_bt_device *device,
DBusMessageIter *properties_array_iter,
DBusMessageIter *invalidated_array_iter);
/* Sets the append_iodev_cb to bt device. */
void cras_bt_device_set_append_iodev_cb(struct cras_bt_device *device,
void (*cb)(void *data));
/* Checks if profile is claimed supported by the device. */
int cras_bt_device_supports_profile(const struct cras_bt_device *device,
enum cras_bt_device_profile profile);
/* Sets if the BT audio device should use hardware volume.
* Args:
* device - The remote bluetooth audio device.
* use_hardware_volume - Set to true to indicate hardware volume
* is preferred over software volume.
*/
void cras_bt_device_set_use_hardware_volume(struct cras_bt_device *device,
int use_hardware_volume);
/* Gets if the BT audio device should use hardware volume. */
int cras_bt_device_get_use_hardware_volume(struct cras_bt_device *device);
/* Forces disconnect the bt device. Used when handling audio error
* that we want to make the device be completely disconnected from
* host to reflect the state that an error has occurred.
* Args:
* conn - The dbus connection.
* device - The bt device to disconnect.
*/
int cras_bt_device_disconnect(DBusConnection *conn,
struct cras_bt_device *device);
/* Gets the SCO socket for the device.
* Args:
* device - The device object to get SCO socket for.
*/
int cras_bt_device_sco_connect(struct cras_bt_device *device);
/* Queries the preffered mtu value for SCO socket. */
int cras_bt_device_sco_mtu(struct cras_bt_device *device, int sco_socket);
/* Appends an iodev to bt device.
* Args:
* device - The device to append iodev to.
* iodev - The iodev to add.
* profile - The profile of the iodev about to add.
*/
void cras_bt_device_append_iodev(struct cras_bt_device *device,
struct cras_iodev *iodev,
enum cras_bt_device_profile profile);
/* Removes an iodev from bt device.
* Args:
* device - The device to remove iodev from.
* iodev - The iodev to remove.
*/
void cras_bt_device_rm_iodev(struct cras_bt_device *device,
struct cras_iodev *iodev);
/* Gets the active profile of the bt device. */
int cras_bt_device_get_active_profile(const struct cras_bt_device *device);
/* Sets the active profile of the bt device. */
void cras_bt_device_set_active_profile(struct cras_bt_device *device,
unsigned int profile);
/* Switches profile after the active profile of bt device has changed and
* enables bt iodev immediately. This function is used for profile switching
* at iodev open.
* Args:
* device - The bluetooth device.
* bt_iodev - The iodev triggers the reactivaion.
*/
int cras_bt_device_switch_profile_enable_dev(struct cras_bt_device *device,
struct cras_iodev *bt_iodev);
/* Switches profile after the active profile of bt device has changed. This
* function is used when we want to switch profile without changing the
* iodev's status.
* Args:
* device - The bluetooth device.
* bt_iodev - The iodev triggers the reactivaion.
*/
int cras_bt_device_switch_profile(struct cras_bt_device *device,
struct cras_iodev *bt_iodev);
/* Calls this function when the buffer size of an underlying profile iodev
* has changed and update it for the virtual bt iodev. */
void cras_bt_device_iodev_buffer_size_changed(struct cras_bt_device *device);
void cras_bt_device_start_monitor();
/* Checks if the device has an iodev for A2DP. */
int cras_bt_device_has_a2dp(struct cras_bt_device *device);
/* Returns true if and only if device has an iodev for A2DP and the bt device
* is not opening for audio capture.
*/
int cras_bt_device_can_switch_to_a2dp(struct cras_bt_device *device);
/* Updates the volume to bt_device when a volume change event is reported. */
void cras_bt_device_update_hardware_volume(struct cras_bt_device *device,
int volume);
/* Notifies bt_device that a2dp connection is configured. */
void cras_bt_device_a2dp_configured(struct cras_bt_device *device);
/* Cancels any scheduled suspension of device. */
int cras_bt_device_cancel_suspend(struct cras_bt_device *device);
/* Schedules device to suspend after given delay. */
int cras_bt_device_schedule_suspend(struct cras_bt_device *device,
unsigned int msec);
/* Notifies bt device that audio gateway is initialized.
* Args:
* device - The bluetooth device.
* Returns:
* 0 on success, error code otherwise.
*/
int cras_bt_device_audio_gateway_initialized(struct cras_bt_device *device);
#endif /* CRAS_BT_DEVICE_H_ */
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