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Diffstat (limited to 'include/hardware/bt_hd.h')
| -rw-r--r-- | include/hardware/bt_hd.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/include/hardware/bt_hd.h b/include/hardware/bt_hd.h new file mode 100644 index 0000000..6ba5b09 --- /dev/null +++ b/include/hardware/bt_hd.h @@ -0,0 +1,129 @@ +/* + * Copyright (c) 2013, The Linux Foundation. All rights reserved. + * Not a Contribution + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_BT_HD_H +#define ANDROID_INCLUDE_BT_HD_H + +#include <stdint.h> + +__BEGIN_DECLS + +typedef enum +{ + BTHD_REPORT_TYPE_OTHER = 0, + BTHD_REPORT_TYPE_INPUT, + BTHD_REPORT_TYPE_OUTPUT, + BTHD_REPORT_TYPE_FEATURE, + BTHD_REPORT_TYPE_INTRDATA // special value for reports to be sent on INTR (INPUT is assumed) +} bthd_report_type_t; + +typedef enum +{ + BTHD_APP_STATE_NOT_REGISTERED, + BTHD_APP_STATE_REGISTERED +} bthd_application_state_t; + +typedef enum +{ + BTHD_CONN_STATE_CONNECTED, + BTHD_CONN_STATE_CONNECTING, + BTHD_CONN_STATE_DISCONNECTED, + BTHD_CONN_STATE_DISCONNECTING, + BTHD_CONN_STATE_UNKNOWN +} bthd_connection_state_t; + +typedef struct +{ + const char *name; + const char *description; + const char *provider; + uint8_t subclass; + uint8_t *desc_list; + int desc_list_len; +} bthd_app_param_t; + +typedef struct +{ + uint8_t service_type; + uint32_t token_rate; + uint32_t token_bucket_size; + uint32_t peak_bandwidth; + uint32_t access_latency; + uint32_t delay_variation; +} bthd_qos_param_t; + +typedef void (* bthd_application_state_callback)(bt_bdaddr_t *bd_addr, bthd_application_state_t state); +typedef void (* bthd_connection_state_callback)(bt_bdaddr_t *bd_addr, bthd_connection_state_t state); +typedef void (* bthd_get_report_callback)(uint8_t type, uint8_t id, uint16_t buffer_size); +typedef void (* bthd_set_report_callback)(uint8_t type, uint8_t id, uint16_t len, uint8_t *p_data); +typedef void (* bthd_set_protocol_callback)(uint8_t protocol); +typedef void (* bthd_intr_data_callback)(uint8_t report_id, uint16_t len, uint8_t *p_data); +typedef void (* bthd_vc_unplug_callback)(void); + +/** BT-HD callbacks */ +typedef struct { + size_t size; + + bthd_application_state_callback application_state_cb; + bthd_connection_state_callback connection_state_cb; + bthd_get_report_callback get_report_cb; + bthd_set_report_callback set_report_cb; + bthd_set_protocol_callback set_protocol_cb; + bthd_intr_data_callback intr_data_cb; + bthd_vc_unplug_callback vc_unplug_cb; +} bthd_callbacks_t; + +/** BT-HD interface */ +typedef struct { + + size_t size; + + /** init interface and register callbacks */ + bt_status_t (*init)(bthd_callbacks_t* callbacks); + + /** close interface */ + void (*cleanup)(void); + + /** register application */ + bt_status_t (*register_app)(bthd_app_param_t *app_param, bthd_qos_param_t *in_qos, + bthd_qos_param_t *out_qos); + + /** unregister application */ + bt_status_t (*unregister_app)(void); + + /** connects to host with virtual cable */ + bt_status_t (*connect)(void); + + /** disconnects from currently connected host */ + bt_status_t (*disconnect)(void); + + /** send report */ + bt_status_t (*send_report)(bthd_report_type_t type, uint8_t id, uint16_t len, uint8_t *p_data); + + /** notifies error for invalid SET_REPORT */ + bt_status_t (*report_error)(uint8_t error); + + /** send Virtual Cable Unplug */ + bt_status_t (*virtual_cable_unplug)(void); + +} bthd_interface_t; + +__END_DECLS + +#endif /* ANDROID_INCLUDE_BT_HD_H */ + |