Bluetooth: Add support for HID Device Role (1/4)

This patch adds support for HID Device Role in HAL so that jni
layer can communicate with Bluedroid Stack when calling HID Device
API's and callbacks.

Change-Id: I591f477ee58924a9003d6e733dcbbc4e8a7d3202
CRs-Fixed: 573086

2 files changed, 78 insertions, 127 deletions

diff --git a/include/hardware/bluetooth.h b/include/hardware/bluetooth.h
index 3427213..138f4f8 100644
--- a/include/hardware/bluetooth.h
+++ b/include/hardware/bluetooth.h
@@ -44,6 +44,7 @@ __BEGIN_DECLS
 #define BT_PROFILE_HEALTH_ID "health"
 #define BT_PROFILE_SOCKETS_ID "socket"
 #define BT_PROFILE_HIDHOST_ID "hidhost"
+#define BT_PROFILE_HIDDEV_ID "hiddev"
 #define BT_PROFILE_PAN_ID "pan"
 #define BT_PROFILE_MAP_CLIENT_ID "map_client"
 #define BT_PROFILE_SDP_CLIENT_ID "sdp"
diff --git a/include/hardware/bt_hd.h b/include/hardware/bt_hd.h
index 09f547b..6ba5b09 100644
--- a/include/hardware/bt_hd.h
+++ b/include/hardware/bt_hd.h
@@ -1,4 +1,6 @@
 /*
+ * 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");
@@ -14,166 +16,114 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_INCLUDE_BT_HH_H
-#define ANDROID_INCLUDE_BT_HH_H
+#ifndef ANDROID_INCLUDE_BT_HD_H
+#define ANDROID_INCLUDE_BT_HD_H
 
 #include <stdint.h>
 
 __BEGIN_DECLS
 
-#define BTHH_MAX_DSC_LEN   884
+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;
 
-/* HH connection states */
 typedef enum
 {
-    BTHH_CONN_STATE_CONNECTED              = 0,
-    BTHH_CONN_STATE_CONNECTING,
-    BTHH_CONN_STATE_DISCONNECTED,
-    BTHH_CONN_STATE_DISCONNECTING,
-    BTHH_CONN_STATE_FAILED_MOUSE_FROM_HOST,
-    BTHH_CONN_STATE_FAILED_KBD_FROM_HOST,
-    BTHH_CONN_STATE_FAILED_TOO_MANY_DEVICES,
-    BTHH_CONN_STATE_FAILED_NO_BTHID_DRIVER,
-    BTHH_CONN_STATE_FAILED_GENERIC,
-    BTHH_CONN_STATE_UNKNOWN
-} bthh_connection_state_t;
+    BTHD_APP_STATE_NOT_REGISTERED,
+    BTHD_APP_STATE_REGISTERED
+} bthd_application_state_t;
 
 typedef enum
 {
-    BTHH_OK                = 0,
-    BTHH_HS_HID_NOT_READY,        /* handshake error : device not ready */
-    BTHH_HS_INVALID_RPT_ID,       /* handshake error : invalid report ID */
-    BTHH_HS_TRANS_NOT_SPT,        /* handshake error : transaction not spt */
-    BTHH_HS_INVALID_PARAM,        /* handshake error : invalid paremter */
-    BTHH_HS_ERROR,                /* handshake error : unspecified HS error */
-    BTHH_ERR,                     /* general BTA HH error */
-    BTHH_ERR_SDP,                 /* SDP error */
-    BTHH_ERR_PROTO,               /* SET_Protocol error,
-                                                                only used in BTA_HH_OPEN_EVT callback */
-    BTHH_ERR_DB_FULL,             /* device database full error, used  */
-    BTHH_ERR_TOD_UNSPT,           /* type of device not supported */
-    BTHH_ERR_NO_RES,              /* out of system resources */
-    BTHH_ERR_AUTH_FAILED,         /* authentication fail */
-    BTHH_ERR_HDL
-}bthh_status_t;
-
-/* Protocol modes */
-typedef enum {
-    BTHH_REPORT_MODE       = 0x00,
-    BTHH_BOOT_MODE         = 0x01,
-    BTHH_UNSUPPORTED_MODE  = 0xff
-}bthh_protocol_mode_t;
-
-/* Report types */
-typedef enum {
-    BTHH_INPUT_REPORT      = 1,
-    BTHH_OUTPUT_REPORT,
-    BTHH_FEATURE_REPORT
-}bthh_report_type_t;
+    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
 {
-    int         attr_mask;
-    uint8_t     sub_class;
-    uint8_t     app_id;
-    int         vendor_id;
-    int         product_id;
-    int         version;
-    uint8_t     ctry_code;
-    int         dl_len;
-    uint8_t     dsc_list[BTHH_MAX_DSC_LEN];
-} bthh_hid_info_t;
-
-/** Callback for connection state change.
- *  state will have one of the values from bthh_connection_state_t
- */
-typedef void (* bthh_connection_state_callback)(bt_bdaddr_t *bd_addr, bthh_connection_state_t state);
-
-/** Callback for vitual unplug api.
- *  the status of the vitual unplug
- */
-typedef void (* bthh_virtual_unplug_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status);
-
-/** Callback for get hid info
- *  hid_info will contain attr_mask, sub_class, app_id, vendor_id, product_id, version, ctry_code, len
- */
-typedef void (* bthh_hid_info_callback)(bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info);
-
-/** Callback for get/set protocal api.
- *  the protocol mode is one of the value from bthh_protocol_mode_t
- */
-typedef void (* bthh_protocol_mode_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status,bthh_protocol_mode_t mode);
-
-/** Callback for get/set_idle_time api.
- */
-typedef void (* bthh_idle_time_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status, int idle_rate);
+    const char      *name;
+    const char      *description;
+    const char      *provider;
+    uint8_t         subclass;
+    uint8_t         *desc_list;
+    int             desc_list_len;
+} bthd_app_param_t;
 
-
-/** Callback for get report api.
- *  if staus is ok rpt_data contains the report data
- */
-typedef void (* bthh_get_report_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status, uint8_t* rpt_data, int rpt_size);
-
-
-/** BT-HH callback structure. */
+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 {
-    /** set to sizeof(BtHfCallbacks) */
     size_t      size;
-    bthh_connection_state_callback  connection_state_cb;
-    bthh_hid_info_callback          hid_info_cb;
-    bthh_protocol_mode_callback     protocol_mode_cb;
-    bthh_idle_time_callback         idle_time_cb;
-    bthh_get_report_callback        get_report_cb;
-    bthh_virtual_unplug_callback    virtual_unplug_cb;
-
-} bthh_callbacks_t;
-
 
+    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;
 
-/** Represents the standard BT-HH interface. */
+/** BT-HD interface */
 typedef struct {
 
-    /** set to sizeof(BtHhInterface) */
     size_t          size;
 
-    /**
-     * Register the BtHh callbacks
-     */
-    bt_status_t (*init)( bthh_callbacks_t* callbacks );
+    /** init interface and register callbacks */
+    bt_status_t (*init)(bthd_callbacks_t* callbacks);
 
-    /** connect to hid device */
-    bt_status_t (*connect)( bt_bdaddr_t *bd_addr);
+    /** close interface */
+    void  (*cleanup)(void);
 
-    /** dis-connect from hid device */
-    bt_status_t (*disconnect)( bt_bdaddr_t *bd_addr );
+    /** 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);
 
-    /** Virtual UnPlug (VUP) the specified HID device */
-    bt_status_t (*virtual_unplug)(bt_bdaddr_t *bd_addr);
+    /** unregister application */
+    bt_status_t (*unregister_app)(void);
 
-    /** Set the HID device descriptor for the specified HID device. */
-    bt_status_t (*set_info)(bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info );
+    /** connects to host with virtual cable */
+    bt_status_t (*connect)(void);
 
-    /** Get the HID proto mode. */
-    bt_status_t (*get_protocol) (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode);
+    /** disconnects from currently connected host */
+    bt_status_t (*disconnect)(void);
 
-    /** Set the HID proto mode. */
-    bt_status_t (*set_protocol)(bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode);
+    /** send report */
+    bt_status_t (*send_report)(bthd_report_type_t type, uint8_t id, uint16_t len, uint8_t *p_data);
 
-    /** Send a GET_REPORT to HID device. */
-    bt_status_t (*get_report)(bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, uint8_t reportId, int bufferSize);
+    /** notifies error for invalid SET_REPORT */
+    bt_status_t (*report_error)(uint8_t error);
 
-    /** Send a SET_REPORT to HID device. */
-    bt_status_t (*set_report)(bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, char* report);
+    /** send Virtual Cable Unplug  */
+    bt_status_t (*virtual_cable_unplug)(void);
 
-    /** Send data to HID device. */
-    bt_status_t (*send_data)(bt_bdaddr_t *bd_addr, char* data);
+} bthd_interface_t;
 
-	/** Closes the interface. */
-    void  (*cleanup)( void );
-
-} bthh_interface_t;
 __END_DECLS
 
-#endif /* ANDROID_INCLUDE_BT_HH_H */
-
+#endif /* ANDROID_INCLUDE_BT_HD_H */