hw/external_connection.h

   1 /*
   2  * libdevice-node
   3  *
   4  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the License);
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19
  20 #ifndef __HW_EXTERNAL_CONNECTION_H__
  21 #define __HW_EXTERNAL_CONNECTION_H__
  22
  23 #include <hw/common.h>
  24
  25 /**
  26  * The id of this device
  27  */
  28 #define EXTERNAL_CONNECTION_HARDWARE_DEVICE_ID  "external_connection"
  29
  30 #define EXTERNAL_CONNECTION_USB       "USB"
  31 #define EXTERNAL_CONNECTION_USB_HOST  "USB-HOST"
  32 #define EXTERNAL_CONNECTION_TA        "TA"
  33 #define EXTERNAL_CONNECTION_HDMI      "HDMI"
  34 #define EXTERNAL_CONNECTION_DOCK      "Dock"
  35 #define EXTERNAL_CONNECTION_MIC       "Microphone"
  36 #define EXTERNAL_CONNECTION_HEADPHONE "Headphone"
  37
  38 /**
  39  * The version of this device
  40  */
  41 #define EXTERNAL_CONNECTION_HARDWARE_DEVICE_VERSION     MAKE_VERSION(0,1)
  42
  43 struct connection_info {
  44         char *name;
  45         char *state;
  46         int flags;
  47 };
  48
  49 typedef void (*ConnectionUpdated)(struct connection_info *info, void *data);
  50
  51 struct external_connection_device {
  52         struct hw_common common;
  53
  54         /* Register external_connection event */
  55         int (*register_changed_event)(ConnectionUpdated updated_cb, void *data);
  56         void (*unregister_changed_event)(ConnectionUpdated updated_cb);
  57
  58         /* Get current states */
  59         int (*get_current_state)(ConnectionUpdated updated_cb, void *data);
  60 };
  61
  62 #endif