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      1 /******************************************************************************
      2  *
      3  *  Copyright (C) 2009-2012 Broadcom Corporation
      4  *
      5  *  Licensed under the Apache License, Version 2.0 (the "License");
      6  *  you may not use this file except in compliance with the License.
      7  *  You may obtain a copy of the License at:
      8  *
      9  *  http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  *
     17  ******************************************************************************/
     18 
     19 #ifndef BTIF_HH_H
     20 #define BTIF_HH_H
     21 
     22 #include <hardware/bluetooth.h>
     23 #include <hardware/bt_hh.h>
     24 #include <stdint.h>
     25 #include "bta_hh_api.h"
     26 #include "btu.h"
     27 
     28 
     29 /*******************************************************************************
     30 **  Constants & Macros
     31 ********************************************************************************/
     32 
     33 #define BTIF_HH_MAX_HID         8
     34 #define BTIF_HH_MAX_ADDED_DEV   32
     35 
     36 #define BTIF_HH_MAX_KEYSTATES            3
     37 #define BTIF_HH_KEYSTATE_MASK_NUMLOCK    0x01
     38 #define BTIF_HH_KEYSTATE_MASK_CAPSLOCK   0x02
     39 #define BTIF_HH_KEYSTATE_MASK_SCROLLLOCK 0x04
     40 
     41 
     42 /*******************************************************************************
     43 **  Type definitions and return values
     44 ********************************************************************************/
     45 
     46 typedef enum
     47 {
     48     BTIF_HH_DISABLED =   0,
     49     BTIF_HH_ENABLED,
     50     BTIF_HH_DISABLING,
     51     BTIF_HH_DEV_UNKNOWN,
     52     BTIF_HH_DEV_CONNECTING,
     53     BTIF_HH_DEV_CONNECTED,
     54     BTIF_HH_DEV_DISCONNECTED
     55 } BTIF_HH_STATUS;
     56 
     57 typedef struct
     58 {
     59     bthh_connection_state_t       dev_status;
     60     UINT8                         dev_handle;
     61     bt_bdaddr_t                   bd_addr;
     62     tBTA_HH_ATTR_MASK             attr_mask;
     63     UINT8                         sub_class;
     64     UINT8                         app_id;
     65     int                           fd;
     66     BT_HDR                        *p_buf;
     67     UINT32                        hh_poll_thread_id;
     68     UINT8                         hh_keep_polling;
     69     BOOLEAN                       vup_timer_active;
     70     TIMER_LIST_ENT                vup_timer;
     71     BOOLEAN                       local_vup; // Indicated locally initiated VUP
     72 } btif_hh_device_t;
     73 
     74 /* Control block to maintain properties of devices */
     75 typedef struct
     76 {
     77     UINT8             dev_handle;
     78     bt_bdaddr_t       bd_addr;
     79     tBTA_HH_ATTR_MASK attr_mask;
     80 } btif_hh_added_device_t;
     81 
     82 /**
     83  * BTIF-HH control block to maintain added devices and currently
     84  * connected hid devices
     85  */
     86 typedef struct
     87 {
     88     BTIF_HH_STATUS          status;
     89     btif_hh_device_t        devices[BTIF_HH_MAX_HID];
     90     UINT32                  device_num;
     91     btif_hh_added_device_t  added_devices[BTIF_HH_MAX_ADDED_DEV];
     92     btif_hh_device_t        *p_curr_dev;
     93 } btif_hh_cb_t;
     94 
     95 
     96 /*******************************************************************************
     97 **  Functions
     98 ********************************************************************************/
     99 
    100 extern btif_hh_cb_t btif_hh_cb;
    101 
    102 extern btif_hh_device_t *btif_hh_find_connected_dev_by_handle(UINT8 handle);
    103 extern void btif_hh_remove_device(bt_bdaddr_t bd_addr);
    104 BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bda, tBTA_HH_ATTR_MASK attr_mask);
    105 extern bt_status_t btif_hh_virtual_unplug(bt_bdaddr_t *bd_addr);
    106 extern void btif_hh_disconnect(bt_bdaddr_t *bd_addr);
    107 extern void btif_hh_setreport(btif_hh_device_t *p_dev, bthh_report_type_t r_type,
    108                     UINT16 size, UINT8* report);
    109 
    110 BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bd_addr, tBTA_HH_ATTR_MASK attr_mask);
    111 
    112 #endif
    113