btif_hh.c revision 79eb1a643a2e627e5fb2c9dae1cb6a56a15ff0cf 
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/************************************************************************************
20 *
21 *  Filename:      btif_hh.c
22 *
23 *  Description:   HID Host Profile Bluetooth Interface
24 *
25 *
26 ***********************************************************************************/
27#include <hardware/bluetooth.h>
28#include <hardware/bt_hh.h>
29#include <stdio.h>
30#include <stdlib.h>
31#include <errno.h>
32#include <string.h>
33
34#define LOG_TAG "BTIF_HH"
35
36#include "bta_api.h"
37#include "bta_hh_api.h"
38#include "bd.h"
39#include "btif_storage.h"
40
41#include "btif_common.h"
42#include "btif_util.h"
43#include "btif_hh.h"
44#include "gki.h"
45#include "l2c_api.h"
46
47
48#define BTIF_HH_APP_ID_MI       0x01
49#define BTIF_HH_APP_ID_KB       0x02
50
51#define COD_HID_KEYBOARD        0x0540
52#define COD_HID_POINTING        0x0580
53#define COD_HID_COMBO           0x05C0
54#define COD_HID_MAJOR           0x0500
55
56#define KEYSTATE_FILEPATH "/data/misc/bluedroid/bt_hh_ks" //keep this in sync with HID host jni
57
58#define HID_REPORT_CAPSLOCK   0x39
59#define HID_REPORT_NUMLOCK    0x53
60#define HID_REPORT_SCROLLLOCK 0x47
61
62//For Apple Magic Mouse
63#define MAGICMOUSE_VENDOR_ID 0x05ac
64#define MAGICMOUSE_PRODUCT_ID 0x030d
65
66#define LOGITECH_KB_MX5500_VENDOR_ID  0x046D
67#define LOGITECH_KB_MX5500_PRODUCT_ID 0xB30B
68
69extern const int BT_UID;
70extern const int BT_GID;
71static int btif_hh_prev_keyevents=0; //The previous key events
72static int btif_hh_keylockstates=0; //The current key state of each key
73
74#define BTIF_HH_ID_1        0
75#define BTIF_HH_DEV_DISCONNECTED 3
76
77#define BTIF_TIMEOUT_VUP_SECS   3
78
79
80#ifndef BTUI_HH_SECURITY
81#define BTUI_HH_SECURITY (BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT)
82#endif
83
84#ifndef BTUI_HH_MOUSE_SECURITY
85#define BTUI_HH_MOUSE_SECURITY (BTA_SEC_NONE)
86#endif
87
88/* HH request events */
89typedef enum
90{
91    BTIF_HH_CONNECT_REQ_EVT = 0,
92    BTIF_HH_DISCONNECT_REQ_EVT,
93    BTIF_HH_VUP_REQ_EVT
94} btif_hh_req_evt_t;
95
96
97/************************************************************************************
98**  Constants & Macros
99************************************************************************************/
100#define BTIF_HH_SERVICES    (BTA_HID_SERVICE_MASK)
101
102
103
104/************************************************************************************
105**  Local type definitions
106************************************************************************************/
107
108typedef struct hid_kb_list
109{
110    UINT16 product_id;
111    UINT16 version_id;
112    char*  kb_name;
113} tHID_KB_LIST;
114
115/************************************************************************************
116**  Static variables
117************************************************************************************/
118btif_hh_cb_t btif_hh_cb;
119
120static bthh_callbacks_t *bt_hh_callbacks = NULL;
121
122/* List of HID keyboards for which the NUMLOCK state needs to be
123 * turned ON by default. Add devices to this list to apply the
124 * NUMLOCK state toggle on fpr first connect.*/
125static tHID_KB_LIST hid_kb_numlock_on_list[] =
126{
127    {LOGITECH_KB_MX5500_PRODUCT_ID,
128    LOGITECH_KB_MX5500_VENDOR_ID,
129    "Logitech MX5500 Keyboard"}
130};
131
132
133#define CHECK_BTHH_INIT() if (bt_hh_callbacks == NULL)\
134    {\
135        BTIF_TRACE_WARNING1("BTHH: %s: BTHH not initialized", __FUNCTION__);\
136        return BT_STATUS_NOT_READY;\
137    }\
138    else\
139    {\
140        BTIF_TRACE_EVENT1("BTHH: %s", __FUNCTION__);\
141    }
142
143
144
145/************************************************************************************
146**  Static functions
147************************************************************************************/
148
149/************************************************************************************
150**  Externs
151************************************************************************************/
152extern void bta_hh_co_destroy(int fd);
153extern void bta_hh_co_write(int fd, UINT8* rpt, UINT16 len);
154extern bt_status_t btif_dm_remove_bond(const bt_bdaddr_t *bd_addr);
155extern void bta_hh_co_send_hid_info(btif_hh_device_t *p_dev, char *dev_name, UINT16 vendor_id,
156                                    UINT16 product_id, UINT16 version, UINT8 ctry_code,
157                                    int dscp_len, UINT8 *p_dscp);
158extern BOOLEAN check_cod(const bt_bdaddr_t *remote_bdaddr, uint32_t cod);
159extern void btif_dm_cb_remove_bond(bt_bdaddr_t *bd_addr);
160extern BOOLEAN check_cod_hid(const bt_bdaddr_t *remote_bdaddr, uint32_t cod);
161extern int  scru_ascii_2_hex(char *p_ascii, int len, UINT8 *p_hex);
162extern void btif_dm_hh_open_failed(bt_bdaddr_t *bdaddr);
163
164/*****************************************************************************
165**  Local Function prototypes
166*****************************************************************************/
167static void set_keylockstate(int keymask, BOOLEAN isSet);
168static void toggle_os_keylockstates(int fd, int changedkeystates);
169static void sync_lockstate_on_connect(btif_hh_device_t *p_dev);
170//static void hh_update_keyboard_lockstates(btif_hh_device_t *p_dev);
171void btif_hh_tmr_hdlr(TIMER_LIST_ENT *tle);
172
173
174/************************************************************************************
175**  Functions
176************************************************************************************/
177
178static int get_keylockstates()
179{
180    return btif_hh_keylockstates;
181}
182
183static void set_keylockstate(int keymask, BOOLEAN isSet)
184{
185    if(isSet)
186        btif_hh_keylockstates |= keymask;
187}
188
189/*******************************************************************************
190**
191** Function         toggle_os_keylockstates
192**
193** Description      Function to toggle the keyboard lock states managed by the linux.
194**                  This function is used in by two call paths
195**                  (1) if the lock state change occurred from an onscreen keyboard,
196**                  this function is called to update the lock state maintained
197                    for the HID keyboard(s)
198**                  (2) if a HID keyboard is disconnected and reconnected,
199**                  this function is called to update the lock state maintained
200                    for the HID keyboard(s)
201** Returns          void
202*******************************************************************************/
203
204static void toggle_os_keylockstates(int fd, int changedlockstates)
205{
206    BTIF_TRACE_EVENT3("%s: fd = %d, changedlockstates = 0x%x",
207        __FUNCTION__, fd, changedlockstates);
208    UINT8 hidreport[9];
209    int reportIndex;
210    memset(hidreport,0,9);
211    hidreport[0]=1;
212    reportIndex=4;
213
214    if (changedlockstates & BTIF_HH_KEYSTATE_MASK_CAPSLOCK) {
215        BTIF_TRACE_DEBUG1("%s Setting CAPSLOCK", __FUNCTION__);
216        hidreport[reportIndex++] = (UINT8)HID_REPORT_CAPSLOCK;
217    }
218
219    if (changedlockstates & BTIF_HH_KEYSTATE_MASK_NUMLOCK)  {
220        BTIF_TRACE_DEBUG1("%s Setting NUMLOCK", __FUNCTION__);
221        hidreport[reportIndex++] = (UINT8)HID_REPORT_NUMLOCK;
222    }
223
224    if (changedlockstates & BTIF_HH_KEYSTATE_MASK_SCROLLLOCK) {
225        BTIF_TRACE_DEBUG1("%s Setting SCROLLLOCK", __FUNCTION__);
226        hidreport[reportIndex++] = (UINT8) HID_REPORT_SCROLLLOCK;
227    }
228
229     BTIF_TRACE_DEBUG4("Writing hidreport #1 to os: "\
230        "%s:  %x %x %x", __FUNCTION__,
231         hidreport[0], hidreport[1], hidreport[2]);
232    BTIF_TRACE_DEBUG4("%s:  %x %x %x", __FUNCTION__,
233         hidreport[3], hidreport[4], hidreport[5]);
234    BTIF_TRACE_DEBUG4("%s:  %x %x %x", __FUNCTION__,
235         hidreport[6], hidreport[7], hidreport[8]);
236    bta_hh_co_write(fd , hidreport, sizeof(hidreport));
237    usleep(200000);
238    memset(hidreport,0,9);
239    hidreport[0]=1;
240    BTIF_TRACE_DEBUG4("Writing hidreport #2 to os: "\
241       "%s:  %x %x %x", __FUNCTION__,
242         hidreport[0], hidreport[1], hidreport[2]);
243    BTIF_TRACE_DEBUG4("%s:  %x %x %x", __FUNCTION__,
244         hidreport[3], hidreport[4], hidreport[5]);
245    BTIF_TRACE_DEBUG4("%s:  %x %x %x ", __FUNCTION__,
246         hidreport[6], hidreport[7], hidreport[8]);
247    bta_hh_co_write(fd , hidreport, sizeof(hidreport));
248}
249
250/*******************************************************************************
251**
252** Function         create_pbuf
253**
254** Description      Helper function to create p_buf for send_data or set_report
255**
256*******************************************************************************/
257static BT_HDR *create_pbuf(UINT16 len, UINT8 *data)
258{
259    BT_HDR* p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR)));
260
261    if (p_buf) {
262        UINT8* pbuf_data;
263
264        p_buf->len = len;
265        p_buf->offset = BTA_HH_MIN_OFFSET;
266
267        pbuf_data = (UINT8*) (p_buf + 1) + p_buf->offset;
268        memcpy(pbuf_data, data, len);
269    }
270    return p_buf;
271}
272
273/*******************************************************************************
274**
275** Function         update_keyboard_lockstates
276**
277** Description      Sends a report to the keyboard to set the lock states of keys
278**
279*******************************************************************************/
280static void update_keyboard_lockstates(btif_hh_device_t *p_dev)
281{
282    UINT8 len = 2;  /* reportid + 1 byte report*/
283    BD_ADDR* bda;
284    BT_HDR* p_buf;
285    UINT8 data[] = {0x01, /* report id */
286                    btif_hh_keylockstates}; /* keystate */
287
288    /* Set report for other keyboards */
289    BTIF_TRACE_EVENT3("%s: setting report on dev_handle %d to 0x%x",
290         __FUNCTION__, p_dev->dev_handle, btif_hh_keylockstates);
291
292    /* Get SetReport buffer */
293    p_buf = create_pbuf(len, data);
294    if (p_buf != NULL) {
295        p_buf->layer_specific = BTA_HH_RPTT_OUTPUT;
296        bda = (BD_ADDR*) (&p_dev->bd_addr);
297        BTA_HhSendData(p_dev->dev_handle, *bda, p_buf);
298    }
299}
300
301/*******************************************************************************
302**
303** Function         sync_lockstate_on_connect
304**
305** Description      Function to update the keyboard lock states managed by the OS
306**                  when a HID keyboard is connected or disconnected and reconnected
307** Returns          void
308*******************************************************************************/
309static void sync_lockstate_on_connect(btif_hh_device_t *p_dev)
310{
311    int keylockstates;
312
313    BTIF_TRACE_EVENT1("%s: Syncing keyboard lock states after "\
314        "reconnect...",__FUNCTION__);
315    /*If the device is connected, update keyboard state */
316    update_keyboard_lockstates(p_dev);
317
318    /*Check if the lockstate of caps,scroll,num is set.
319     If so, send a report to the kernel
320    so the lockstate is in sync */
321    keylockstates = get_keylockstates();
322    if (keylockstates)
323    {
324        BTIF_TRACE_DEBUG2("%s: Sending hid report to kernel "\
325            "indicating lock key state 0x%x",__FUNCTION__,
326            keylockstates);
327        usleep(200000);
328        toggle_os_keylockstates(p_dev->fd, keylockstates);
329    }
330    else
331    {
332        BTIF_TRACE_DEBUG2("%s: NOT sending hid report to kernel "\
333            "indicating lock key state 0x%x",__FUNCTION__,
334            keylockstates);
335    }
336}
337
338/*******************************************************************************
339**
340** Function         btif_hh_find_dev_by_handle
341**
342** Description      Return the device pointer of the specified device handle
343**
344** Returns          Device entry pointer in the device table
345*******************************************************************************/
346static btif_hh_device_t *btif_hh_find_dev_by_handle(UINT8 handle)
347{
348    UINT32 i;
349    // LOGV("%s: handle = %d", __FUNCTION__, handle);
350    for (i = 0; i < BTIF_HH_MAX_HID; i++) {
351        if (btif_hh_cb.devices[i].dev_status != BTHH_CONN_STATE_UNKNOWN &&
352            btif_hh_cb.devices[i].dev_handle == handle)
353        {
354            return &btif_hh_cb.devices[i];
355        }
356    }
357    return NULL;
358}
359
360
361/*******************************************************************************
362**
363** Function         btif_hh_find_connected_dev_by_handle
364**
365** Description      Return the connected device pointer of the specified device handle
366**
367** Returns          Device entry pointer in the device table
368*******************************************************************************/
369btif_hh_device_t *btif_hh_find_connected_dev_by_handle(UINT8 handle)
370{
371    UINT32 i;
372    for (i = 0; i < BTIF_HH_MAX_HID; i++) {
373        if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED &&
374            btif_hh_cb.devices[i].dev_handle == handle)
375        {
376            return &btif_hh_cb.devices[i];
377        }
378    }
379    return NULL;
380}
381
382/*******************************************************************************
383**
384** Function         btif_hh_find_dev_by_bda
385**
386** Description      Return the device pointer of the specified bt_bdaddr_t.
387**
388** Returns          Device entry pointer in the device table
389*******************************************************************************/
390static btif_hh_device_t *btif_hh_find_dev_by_bda(bt_bdaddr_t *bd_addr)
391{
392    UINT32 i;
393    for (i = 0; i < BTIF_HH_MAX_HID; i++) {
394        if (btif_hh_cb.devices[i].dev_status != BTHH_CONN_STATE_UNKNOWN &&
395            memcmp(&(btif_hh_cb.devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0)
396        {
397            return &btif_hh_cb.devices[i];
398        }
399    }
400    return NULL;
401}
402
403/*******************************************************************************
404**
405** Function         btif_hh_find_connected_dev_by_bda
406**
407** Description      Return the connected device pointer of the specified bt_bdaddr_t.
408**
409** Returns          Device entry pointer in the device table
410*******************************************************************************/
411static btif_hh_device_t *btif_hh_find_connected_dev_by_bda(bt_bdaddr_t *bd_addr)
412{
413    UINT32 i;
414    for (i = 0; i < BTIF_HH_MAX_HID; i++) {
415        if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED &&
416            memcmp(&(btif_hh_cb.devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0)
417        {
418            return &btif_hh_cb.devices[i];
419        }
420    }
421    return NULL;
422}
423
424/*******************************************************************************
425**
426** Function      btif_hh_stop_vup_timer
427**
428** Description  stop vitual unplug timer
429**
430** Returns      void
431*******************************************************************************/
432void btif_hh_stop_vup_timer(bt_bdaddr_t *bd_addr)
433{
434    btif_hh_device_t *p_dev  = btif_hh_find_connected_dev_by_bda(bd_addr);
435    if(p_dev != NULL)
436    {
437        if (p_dev->vup_timer_active)
438        {
439            BTIF_TRACE_DEBUG0("stop VUP timer ");
440            btu_stop_timer(&p_dev->vup_timer);
441        }
442        p_dev->vup_timer_active = FALSE;
443    }
444}
445/*******************************************************************************
446**
447** Function      btif_hh_start_vup_timer
448**
449** Description  start virtual unplug timer
450**
451** Returns      void
452*******************************************************************************/
453void btif_hh_start_vup_timer(bt_bdaddr_t *bd_addr)
454{
455    btif_hh_device_t *p_dev  = btif_hh_find_connected_dev_by_bda(bd_addr);
456
457    if (p_dev->vup_timer_active == FALSE)
458    {
459        BTIF_TRACE_DEBUG0("Start VUP timer ");
460        memset(&p_dev->vup_timer, 0, sizeof(TIMER_LIST_ENT));
461        p_dev->vup_timer.param = (UINT32)btif_hh_tmr_hdlr;
462        btu_start_timer(&p_dev->vup_timer, BTU_TTYPE_USER_FUNC,
463                        BTIF_TIMEOUT_VUP_SECS);
464    }
465    else
466    {
467        BTIF_TRACE_DEBUG0("Restart VUP timer ");
468        btu_stop_timer(&p_dev->vup_timer);
469        btu_start_timer(&p_dev->vup_timer, BTU_TTYPE_USER_FUNC,
470                        BTIF_TIMEOUT_VUP_SECS);
471    }
472        p_dev->vup_timer_active = TRUE;
473
474}
475
476/*******************************************************************************
477**
478** Function         btif_hh_add_added_dev
479**
480** Description      Add a new device to the added device list.
481**
482** Returns          TRUE if add successfully, otherwise FALSE.
483*******************************************************************************/
484BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bda, tBTA_HH_ATTR_MASK attr_mask)
485{
486    int i;
487    for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) {
488        if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), &bda, BD_ADDR_LEN) == 0) {
489            BTIF_TRACE_WARNING6(" Device %02X:%02X:%02X:%02X:%02X:%02X already added",
490                  bda.address[0], bda.address[1], bda.address[2], bda.address[3], bda.address[4], bda.address[5]);
491            return FALSE;
492        }
493    }
494    for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) {
495        if (btif_hh_cb.added_devices[i].bd_addr.address[0] == 0 &&
496            btif_hh_cb.added_devices[i].bd_addr.address[1] == 0 &&
497            btif_hh_cb.added_devices[i].bd_addr.address[2] == 0 &&
498            btif_hh_cb.added_devices[i].bd_addr.address[3] == 0 &&
499            btif_hh_cb.added_devices[i].bd_addr.address[4] == 0 &&
500            btif_hh_cb.added_devices[i].bd_addr.address[5] == 0)
501        {
502            BTIF_TRACE_WARNING6(" Added device %02X:%02X:%02X:%02X:%02X:%02X",
503                  bda.address[0], bda.address[1], bda.address[2], bda.address[3], bda.address[4], bda.address[5]);
504            memcpy(&(btif_hh_cb.added_devices[i].bd_addr), &bda, BD_ADDR_LEN);
505            btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE;
506            btif_hh_cb.added_devices[i].attr_mask  = attr_mask;
507            return TRUE;
508        }
509    }
510
511    BTIF_TRACE_WARNING1("%s: Error, out of space to add device",__FUNCTION__);
512    return FALSE;
513}
514
515/*******************************************************************************
516 **
517 ** Function         btif_hh_remove_device
518 **
519 ** Description      Remove an added device from the stack.
520 **
521 ** Returns          void
522 *******************************************************************************/
523void btif_hh_remove_device(bt_bdaddr_t bd_addr)
524{
525    int                    i;
526    btif_hh_device_t       *p_dev;
527    btif_hh_added_device_t *p_added_dev;
528
529    ALOGI("%s: bda = %02x:%02x:%02x:%02x:%02x:%02x", __FUNCTION__,
530         bd_addr.address[0], bd_addr.address[1], bd_addr.address[2], bd_addr.address[3], bd_addr.address[4], bd_addr.address[5]);
531
532    for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) {
533        p_added_dev = &btif_hh_cb.added_devices[i];
534        if (memcmp(&(p_added_dev->bd_addr),&bd_addr, 6) == 0) {
535            BTA_HhRemoveDev(p_added_dev->dev_handle);
536            btif_storage_remove_hid_info(&(p_added_dev->bd_addr));
537            memset(&(p_added_dev->bd_addr), 0, 6);
538            p_added_dev->dev_handle = BTA_HH_INVALID_HANDLE;
539            break;
540        }
541    }
542
543    p_dev = btif_hh_find_dev_by_bda(&bd_addr);
544    if (p_dev == NULL) {
545        BTIF_TRACE_WARNING6(" Oops, can't find device [%02x:%02x:%02x:%02x:%02x:%02x]",
546             bd_addr.address[0], bd_addr.address[1], bd_addr.address[2], bd_addr.address[3], bd_addr.address[4], bd_addr.address[5]);
547        return;
548    }
549
550    /* need to notify up-layer device is disconnected to avoid state out of sync with up-layer */
551    HAL_CBACK(bt_hh_callbacks, connection_state_cb, &(p_dev->bd_addr), BTHH_CONN_STATE_DISCONNECTED);
552
553    p_dev->dev_status = BTHH_CONN_STATE_UNKNOWN;
554    p_dev->dev_handle = BTA_HH_INVALID_HANDLE;
555    if (btif_hh_cb.device_num > 0) {
556        btif_hh_cb.device_num--;
557    }
558    else {
559        BTIF_TRACE_WARNING1("%s: device_num = 0", __FUNCTION__);
560    }
561
562    p_dev->hh_keep_polling = 0;
563    p_dev->hh_poll_thread_id = -1;
564    BTIF_TRACE_DEBUG2("%s: uhid fd = %d", __FUNCTION__, p_dev->fd);
565    if (p_dev->fd >= 0) {
566        bta_hh_co_destroy(p_dev->fd);
567        p_dev->fd = -1;
568    }
569}
570
571
572BOOLEAN btif_hh_copy_hid_info(tBTA_HH_DEV_DSCP_INFO* dest , tBTA_HH_DEV_DSCP_INFO* src)
573{
574    dest->descriptor.dl_len = 0;
575    if (src->descriptor.dl_len >0)
576    {
577        dest->descriptor.dsc_list = (UINT8 *) GKI_getbuf(src->descriptor.dl_len);
578        if (dest->descriptor.dsc_list == NULL)
579        {
580            BTIF_TRACE_WARNING1("%s: Failed to allocate DSCP for CB", __FUNCTION__);
581            return FALSE;
582        }
583    }
584    memcpy(dest->descriptor.dsc_list, src->descriptor.dsc_list, src->descriptor.dl_len);
585    dest->descriptor.dl_len = src->descriptor.dl_len;
586    dest->vendor_id  = src->vendor_id;
587    dest->product_id = src->product_id;
588    dest->version    = src->version;
589    dest->ctry_code  = src->ctry_code;
590    dest->ssr_max_latency = src->ssr_max_latency;
591    dest->ssr_min_tout = src->ssr_min_tout;
592    return TRUE;
593}
594
595
596/*******************************************************************************
597**
598** Function         btif_hh_virtual_unplug
599**
600** Description      Virtual unplug initiated from the BTIF thread context
601**                  Special handling for HID mouse-
602**
603** Returns          void
604**
605*******************************************************************************/
606
607bt_status_t btif_hh_virtual_unplug(bt_bdaddr_t *bd_addr)
608{
609    BTIF_TRACE_DEBUG1("%s", __FUNCTION__);
610    btif_hh_device_t *p_dev;
611    char bd_str[18];
612    sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X",
613            bd_addr->address[0],  bd_addr->address[1],  bd_addr->address[2],  bd_addr->address[3],
614            bd_addr->address[4], bd_addr->address[5]);
615    p_dev = btif_hh_find_dev_by_bda(bd_addr);
616    if ((p_dev != NULL) && (p_dev->dev_status == BTHH_CONN_STATE_CONNECTED)
617        && (p_dev->attr_mask & HID_VIRTUAL_CABLE))
618    {
619        BTIF_TRACE_DEBUG1("%s Sending BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG", __FUNCTION__);
620        /* start the timer */
621        btif_hh_start_vup_timer(bd_addr);
622        p_dev->local_vup = TRUE;
623        BTA_HhSendCtrl(p_dev->dev_handle, BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG);
624        return BT_STATUS_SUCCESS;
625    }
626    else
627    {
628        BTIF_TRACE_ERROR2("%s: Error, device %s not opened.", __FUNCTION__, bd_str);
629        return BT_STATUS_FAIL;
630    }
631}
632
633/*******************************************************************************
634**
635** Function         btif_hh_connect
636**
637** Description      connection initiated from the BTIF thread context
638**
639** Returns          int status
640**
641*******************************************************************************/
642
643bt_status_t btif_hh_connect(bt_bdaddr_t *bd_addr)
644{
645    btif_hh_device_t *dev;
646    btif_hh_added_device_t *added_dev = NULL;
647    char bda_str[20];
648    int i;
649    BD_ADDR *bda = (BD_ADDR*)bd_addr;
650    tBTA_HH_CONN conn;
651    CHECK_BTHH_INIT();
652    dev = btif_hh_find_dev_by_bda(bd_addr);
653    BTIF_TRACE_DEBUG0("Connect _hh");
654    sprintf(bda_str, "%02X:%02X:%02X:%02X:%02X:%02X",
655            (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
656    if (dev == NULL && btif_hh_cb.device_num >= BTIF_HH_MAX_HID) {
657        // No space for more HID device now.
658         BTIF_TRACE_WARNING2("%s: Error, exceeded the maximum supported HID device number %d",
659             __FUNCTION__, BTIF_HH_MAX_HID);
660        return BT_STATUS_FAIL;
661    }
662
663    for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) {
664        if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) {
665            added_dev = &btif_hh_cb.added_devices[i];
666             BTIF_TRACE_WARNING3("%s: Device %s already added, attr_mask = 0x%x",
667                 __FUNCTION__, bda_str, added_dev->attr_mask);
668        }
669    }
670
671    if (added_dev != NULL) {
672        if (added_dev->dev_handle == BTA_HH_INVALID_HANDLE) {
673            // No space for more HID device now.
674            BTIF_TRACE_ERROR2("%s: Error, device %s added but addition failed", __FUNCTION__, bda_str);
675            memset(&(added_dev->bd_addr), 0, 6);
676            added_dev->dev_handle = BTA_HH_INVALID_HANDLE;
677            return BT_STATUS_FAIL;
678        }
679    }
680
681    if (added_dev == NULL ||
682        (added_dev->attr_mask & HID_NORMALLY_CONNECTABLE) != 0 ||
683        (added_dev->attr_mask & HID_RECONN_INIT) == 0)
684    {
685        tBTA_SEC sec_mask = BTUI_HH_SECURITY;
686        btif_hh_cb.status = BTIF_HH_DEV_CONNECTING;
687        BD_ADDR *bda = (BD_ADDR*)bd_addr;
688        BTA_HhOpen(*bda, BTA_HH_PROTO_RPT_MODE, sec_mask);
689    }
690    else
691    {
692        // This device shall be connected from the host side.
693        BTIF_TRACE_ERROR2("%s: Error, device %s can only be reconnected from device side",
694             __FUNCTION__, bda_str);
695        return BT_STATUS_FAIL;
696    }
697
698    HAL_CBACK(bt_hh_callbacks, connection_state_cb, bd_addr, BTHH_CONN_STATE_CONNECTING);
699    return BT_STATUS_SUCCESS;
700}
701
702/*******************************************************************************
703**
704** Function         btif_hh_disconnect
705**
706** Description      disconnection initiated from the BTIF thread context
707**
708** Returns          void
709**
710*******************************************************************************/
711
712void btif_hh_disconnect(bt_bdaddr_t *bd_addr)
713{
714    BD_ADDR *bda = (BD_ADDR*)bd_addr;
715    btif_hh_device_t *p_dev;
716    p_dev = btif_hh_find_connected_dev_by_bda(bd_addr);
717    if (p_dev != NULL)
718    {
719        BTA_HhClose(p_dev->dev_handle);
720    }
721    else
722        BTIF_TRACE_DEBUG1("%s-- Error: device not connected:",__FUNCTION__);
723}
724
725/*******************************************************************************
726**
727** Function         btif_btif_hh_setreport
728**
729** Description      setreport initiated from the BTIF thread context
730**
731** Returns          void
732**
733*******************************************************************************/
734void btif_hh_setreport(btif_hh_device_t *p_dev, bthh_report_type_t r_type, UINT16 size,
735                            UINT8* report)
736{
737    BT_HDR* p_buf = create_pbuf(size, report);
738    if (p_buf == NULL) {
739        APPL_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, size = %d", __FUNCTION__, size);
740        return;
741    }
742    BTA_HhSetReport(p_dev->dev_handle, r_type, p_buf);
743}
744
745/*****************************************************************************
746**   Section name (Group of functions)
747*****************************************************************************/
748
749/*****************************************************************************
750**
751**   btif hh api functions (no context switch)
752**
753*****************************************************************************/
754
755
756/*******************************************************************************
757**
758** Function         btif_hh_upstreams_evt
759**
760** Description      Executes HH UPSTREAMS events in btif context
761**
762** Returns          void
763**
764*******************************************************************************/
765static void btif_hh_upstreams_evt(UINT16 event, char* p_param)
766{
767    tBTA_HH *p_data = (tBTA_HH *)p_param;
768    bdstr_t bdstr;
769    btif_hh_device_t *p_dev = NULL;
770    int i;
771    int len, tmplen;
772
773    BTIF_TRACE_DEBUG2("%s: event=%s", __FUNCTION__, dump_hh_event(event));
774
775    switch (event)
776    {
777        case BTA_HH_ENABLE_EVT:
778            BTIF_TRACE_DEBUG2("%s: BTA_HH_ENABLE_EVT: status =%d",__FUNCTION__, p_data->status);
779            if (p_data->status == BTA_HH_OK) {
780                btif_hh_cb.status = BTIF_HH_ENABLED;
781                BTIF_TRACE_DEBUG1("%s--Loading added devices",__FUNCTION__);
782                /* Add hid descriptors for already bonded hid devices*/
783                btif_storage_load_bonded_hid_info();
784            }
785            else {
786                btif_hh_cb.status = BTIF_HH_DISABLED;
787                BTIF_TRACE_WARNING1("BTA_HH_ENABLE_EVT: Error, HH enabling failed, status = %d", p_data->status);
788            }
789            break;
790
791        case BTA_HH_DISABLE_EVT:
792            btif_hh_cb.status = BTIF_HH_DISABLED;
793            if (p_data->status == BTA_HH_OK) {
794                int i;
795                //Clear the control block
796                memset(&btif_hh_cb, 0, sizeof(btif_hh_cb));
797                for (i = 0; i < BTIF_HH_MAX_HID; i++){
798                    btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN;
799                }
800            }
801            else
802                BTIF_TRACE_WARNING1("BTA_HH_DISABLE_EVT: Error, HH disabling failed, status = %d", p_data->status);
803            break;
804
805        case BTA_HH_OPEN_EVT:
806            BTIF_TRACE_WARNING3("%s: BTA_HH_OPN_EVT: handle=%d, status =%d",__FUNCTION__, p_data->conn.handle, p_data->conn.status);
807            if (p_data->conn.status == BTA_HH_OK) {
808                p_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle);
809                if (p_dev == NULL) {
810                    BTIF_TRACE_WARNING1("BTA_HH_OPEN_EVT: Error, cannot find device with handle %d", p_data->conn.handle);
811                    btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED;
812                    // The connect request must come from device side and exceeded the connected
813                                   // HID device number.
814                    BTA_HhClose(p_data->conn.handle);
815                    HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED);
816                }
817                else if (p_dev->fd < 0) {
818                    BTIF_TRACE_WARNING0("BTA_HH_OPEN_EVT: Error, failed to find the uhid driver...");
819                    memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN);
820                    //remove the connection  and then try again to reconnect from the mouse side to recover
821                    btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED;
822                    BTA_HhClose(p_data->conn.handle);
823                }
824                else {
825                    BTIF_TRACE_WARNING1("BTA_HH_OPEN_EVT: Found device...Getting dscp info for handle ... %d",p_data->conn.handle);
826                    memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN);
827                    btif_hh_cb.status = BTIF_HH_DEV_CONNECTED;
828                    // Send set_idle if the peer_device is a keyboard
829                    if (check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_KEYBOARD )||
830                                check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_COMBO))
831                        BTA_HhSetIdle(p_data->conn.handle, 0);
832                    btif_hh_cb.p_curr_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle);
833                    BTA_HhGetDscpInfo(p_data->conn.handle);
834                    p_dev->dev_status = BTHH_CONN_STATE_CONNECTED;
835                    HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status);
836                }
837            }
838            else {
839                bt_bdaddr_t *bdaddr = (bt_bdaddr_t*)p_data->conn.bda;
840                btif_dm_hh_open_failed(bdaddr);
841                HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED);
842                btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED;
843            }
844            break;
845        case BTA_HH_CLOSE_EVT:
846            BTIF_TRACE_DEBUG2("BTA_HH_CLOSE_EVT: status = %d, handle = %d",
847            p_data->dev_status.status, p_data->dev_status.handle);
848            p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle);
849            if (p_dev != NULL) {
850                BTIF_TRACE_DEBUG2("%s: uhid fd = %d", __FUNCTION__, p_dev->fd);
851                if(p_dev->vup_timer_active)
852                {
853                    btif_hh_stop_vup_timer(&(p_dev->bd_addr));
854                }
855                btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED;
856                p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED;
857                HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status);
858                BTIF_TRACE_DEBUG2("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd);
859                bta_hh_co_destroy(p_dev->fd);
860                p_dev->fd = -1;
861            }
862            else {
863                BTIF_TRACE_WARNING1("Error: cannot find device with handle %d", p_data->dev_status.handle);
864            }
865            break;
866        case BTA_HH_GET_RPT_EVT: {
867            BT_HDR *hdr = p_data->hs_data.rsp_data.p_rpt_data;
868            UINT8 *data = NULL;
869            UINT16 len = 0;
870
871            BTIF_TRACE_DEBUG2("BTA_HH_GET_RPT_EVT: status = %d, handle = %d",
872                 p_data->hs_data.status, p_data->hs_data.handle);
873            /* p_rpt_data in HANDSHAKE response case */
874            if (hdr) {
875                data = (UINT8 *)(hdr + 1) + hdr->offset;
876                len = hdr->len;
877            }
878            p_dev = btif_hh_find_connected_dev_by_handle(p_data->hs_data.handle);
879            if (p_dev) {
880                HAL_CBACK(bt_hh_callbacks, get_report_cb,
881                          (bt_bdaddr_t*) &(p_dev->bd_addr),
882                          (bthh_status_t) p_data->hs_data.status, data, len);
883            } else {
884                BTIF_TRACE_WARNING1("Error: cannot find device with handle %d", p_data->hs_data.handle);
885            }
886            break;
887        }
888        case BTA_HH_SET_RPT_EVT:
889            BTIF_TRACE_DEBUG2("BTA_HH_SET_RPT_EVT: status = %d, handle = %d",
890            p_data->dev_status.status, p_data->dev_status.handle);
891            break;
892
893        case BTA_HH_GET_PROTO_EVT:
894            p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle);
895            BTIF_TRACE_WARNING4("BTA_HH_GET_PROTO_EVT: status = %d, handle = %d, proto = [%d], %s",
896                 p_data->hs_data.status, p_data->hs_data.handle,
897                 p_data->hs_data.rsp_data.proto_mode,
898                 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE) ? "Report Mode" :
899                 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_BOOT_MODE) ? "Boot Mode" : "Unsupported");
900            HAL_CBACK(bt_hh_callbacks, protocol_mode_cb,(bt_bdaddr_t*) &(p_dev->bd_addr), (bthh_status_t)p_data->hs_data.status,
901                             (bthh_protocol_mode_t) p_data->hs_data.rsp_data.proto_mode);
902            break;
903
904        case BTA_HH_SET_PROTO_EVT:
905            BTIF_TRACE_DEBUG2("BTA_HH_SET_PROTO_EVT: status = %d, handle = %d",
906                 p_data->dev_status.status, p_data->dev_status.handle);
907            break;
908
909        case BTA_HH_GET_IDLE_EVT:
910            BTIF_TRACE_DEBUG3("BTA_HH_GET_IDLE_EVT: handle = %d, status = %d, rate = %d",
911                 p_data->hs_data.handle, p_data->hs_data.status,
912                 p_data->hs_data.rsp_data.idle_rate);
913            break;
914
915        case BTA_HH_SET_IDLE_EVT:
916            BTIF_TRACE_DEBUG2("BTA_HH_SET_IDLE_EVT: status = %d, handle = %d",
917            p_data->dev_status.status, p_data->dev_status.handle);
918            break;
919
920        case BTA_HH_GET_DSCP_EVT:
921            BTIF_TRACE_WARNING2("BTA_HH_GET_DSCP_EVT: status = %d, handle = %d",
922                p_data->dev_status.status, p_data->dev_status.handle);
923                len = p_data->dscp_info.descriptor.dl_len;
924                BTIF_TRACE_DEBUG1("BTA_HH_GET_DSCP_EVT: len = %d", len);
925            p_dev = btif_hh_cb.p_curr_dev;
926            if (p_dev == NULL) {
927                BTIF_TRACE_ERROR0("BTA_HH_GET_DSCP_EVT: No HID device is currently connected");
928                return;
929            }
930            if (p_dev->fd < 0) {
931                ALOGE("BTA_HH_GET_DSCP_EVT: Error, failed to find the uhid driver...");
932                return;
933            }
934            {
935                char *cached_name = NULL;
936                bt_bdname_t bdname;
937                bt_property_t prop_name;
938                BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_BDNAME,
939                                           sizeof(bt_bdname_t), &bdname);
940                if (btif_storage_get_remote_device_property(
941                    &p_dev->bd_addr, &prop_name) == BT_STATUS_SUCCESS)
942                {
943                    cached_name = (char *)bdname.name;
944                }
945                else
946                {
947                    cached_name = "Bluetooth HID";
948                }
949
950                BTIF_TRACE_WARNING2("%s: name = %s", __FUNCTION__, cached_name);
951                bta_hh_co_send_hid_info(p_dev, cached_name,
952                    p_data->dscp_info.vendor_id, p_data->dscp_info.product_id,
953                    p_data->dscp_info.version,   p_data->dscp_info.ctry_code,
954                    len, p_data->dscp_info.descriptor.dsc_list);
955                if (btif_hh_add_added_dev(p_dev->bd_addr, p_dev->attr_mask)) {
956                    BD_ADDR bda;
957                    bdcpy(bda, p_dev->bd_addr.address);
958                    tBTA_HH_DEV_DSCP_INFO dscp_info;
959                    bt_status_t ret;
960                    bdcpy(bda, p_dev->bd_addr.address);
961                    btif_hh_copy_hid_info(&dscp_info, &p_data->dscp_info);
962                    BTIF_TRACE_DEBUG6("BTA_HH_GET_DSCP_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x",
963                              p_dev->bd_addr.address[0], p_dev->bd_addr.address[1],
964                              p_dev->bd_addr.address[2],p_dev->bd_addr.address[3],
965                              p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]);
966                    BTA_HhAddDev(bda, p_dev->attr_mask,p_dev->sub_class,p_dev->app_id, dscp_info);
967                    // write hid info to nvram
968                    ret = btif_storage_add_hid_device_info(&(p_dev->bd_addr), p_dev->attr_mask,p_dev->sub_class,p_dev->app_id,
969                                                        p_data->dscp_info.vendor_id, p_data->dscp_info.product_id,
970                                                        p_data->dscp_info.version,   p_data->dscp_info.ctry_code,
971                                                        p_data->dscp_info.ssr_max_latency, p_data->dscp_info.ssr_min_tout,
972                                                        len, p_data->dscp_info.descriptor.dsc_list);
973
974                    ASSERTC(ret == BT_STATUS_SUCCESS, "storing hid info failed", ret);
975                    BTIF_TRACE_WARNING0("BTA_HH_GET_DSCP_EVT: Called add device");
976
977                    //Free buffer created for dscp_info;
978                    if (dscp_info.descriptor.dl_len >0 && dscp_info.descriptor.dsc_list != NULL)
979                    {
980                      GKI_freebuf(dscp_info.descriptor.dsc_list);
981                      dscp_info.descriptor.dsc_list = NULL;
982                      dscp_info.descriptor.dl_len=0;
983                    }
984                }
985                else {
986                    //Device already added.
987                    BTIF_TRACE_WARNING1("%s: Device already added ",__FUNCTION__);
988                }
989                /*Sync HID Keyboard lockstates */
990                tmplen = sizeof(hid_kb_numlock_on_list)
991                            / sizeof(tHID_KB_LIST);
992                for(i = 0; i< tmplen; i++)
993                {
994                    if(p_data->dscp_info.vendor_id
995                        == hid_kb_numlock_on_list[i].version_id &&
996                        p_data->dscp_info.product_id
997                        == hid_kb_numlock_on_list[i].product_id)
998                    {
999                        BTIF_TRACE_DEBUG3("%s() idx[%d] Enabling "\
1000                            "NUMLOCK for device :: %s", __FUNCTION__,
1001                            i, hid_kb_numlock_on_list[i].kb_name);
1002                        /* Enable NUMLOCK by default so that numeric
1003                            keys work from first keyboard connect */
1004                        set_keylockstate(BTIF_HH_KEYSTATE_MASK_NUMLOCK,
1005                                        TRUE);
1006                        sync_lockstate_on_connect(p_dev);
1007                        /* End Sync HID Keyboard lockstates */
1008                        break;
1009                    }
1010                }
1011            }
1012            break;
1013
1014        case BTA_HH_ADD_DEV_EVT:
1015            BTIF_TRACE_WARNING2("BTA_HH_ADD_DEV_EVT: status = %d, handle = %d",p_data->dev_info.status, p_data->dev_info.handle);
1016            int i;
1017            for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) {
1018                if (memcmp(btif_hh_cb.added_devices[i].bd_addr.address, p_data->dev_info.bda, 6) == 0) {
1019                    if (p_data->dev_info.status == BTA_HH_OK) {
1020                        btif_hh_cb.added_devices[i].dev_handle = p_data->dev_info.handle;
1021                    }
1022                    else {
1023                        memset(btif_hh_cb.added_devices[i].bd_addr.address, 0, 6);
1024                        btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE;
1025                    }
1026                    break;
1027                }
1028            }
1029            break;
1030        case BTA_HH_RMV_DEV_EVT:
1031                BTIF_TRACE_DEBUG2("BTA_HH_RMV_DEV_EVT: status = %d, handle = %d",
1032                     p_data->dev_info.status, p_data->dev_info.handle);
1033                BTIF_TRACE_DEBUG6("BTA_HH_RMV_DEV_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x",
1034                     p_data->dev_info.bda[0], p_data->dev_info.bda[1], p_data->dev_info.bda[2],
1035                     p_data->dev_info.bda[3], p_data->dev_info.bda[4], p_data->dev_info.bda[5]);
1036                break;
1037
1038
1039        case BTA_HH_VC_UNPLUG_EVT:
1040                BTIF_TRACE_DEBUG2("BTA_HH_VC_UNPLUG_EVT: status = %d, handle = %d",
1041                     p_data->dev_status.status, p_data->dev_status.handle);
1042                p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle);
1043                btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED;
1044                if (p_dev != NULL) {
1045                    BTIF_TRACE_DEBUG6("BTA_HH_VC_UNPLUG_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x",
1046                         p_dev->bd_addr.address[0], p_dev->bd_addr.address[1],
1047                         p_dev->bd_addr.address[2],p_dev->bd_addr.address[3],
1048                         p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]);
1049                    /* Stop the VUP timer */
1050                    if(p_dev->vup_timer_active)
1051                    {
1052                        btif_hh_stop_vup_timer(&(p_dev->bd_addr));
1053                    }
1054                    p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED;
1055                    BTIF_TRACE_DEBUG1("%s---Sending connection state change", __FUNCTION__);
1056                    HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status);
1057                    BTIF_TRACE_DEBUG1("%s---Removing HID bond", __FUNCTION__);
1058                    /* If it is locally initiated VUP or remote device has its major COD as
1059                    Peripheral removed the bond.*/
1060                    if (p_dev->local_vup  || check_cod_hid(&(p_dev->bd_addr), COD_HID_MAJOR))
1061                    {
1062                        p_dev->local_vup = FALSE;
1063                        BTA_DmRemoveDevice((UINT8 *)p_dev->bd_addr.address);
1064                    }
1065                    else
1066                        btif_hh_remove_device(p_dev->bd_addr);
1067                    HAL_CBACK(bt_hh_callbacks, virtual_unplug_cb,&(p_dev->bd_addr),
1068                                    p_data->dev_status.status);
1069                }
1070                break;
1071
1072        case BTA_HH_API_ERR_EVT  :
1073                ALOGI("BTA_HH API_ERR");
1074                break;
1075
1076
1077
1078            default:
1079                BTIF_TRACE_WARNING2("%s: Unhandled event: %d", __FUNCTION__, event);
1080                break;
1081        }
1082}
1083
1084/*******************************************************************************
1085**
1086** Function         bte_hh_evt
1087**
1088** Description      Switches context from BTE to BTIF for all HH events
1089**
1090** Returns          void
1091**
1092*******************************************************************************/
1093
1094static void bte_hh_evt(tBTA_HH_EVT event, tBTA_HH *p_data)
1095{
1096    bt_status_t status;
1097    int param_len = 0;
1098
1099    if (BTA_HH_ENABLE_EVT == event)
1100        param_len = sizeof(tBTA_HH_STATUS);
1101    else if (BTA_HH_OPEN_EVT == event)
1102        param_len = sizeof(tBTA_HH_CONN);
1103    else if (BTA_HH_DISABLE_EVT == event)
1104        param_len = sizeof(tBTA_HH_STATUS);
1105    else if (BTA_HH_CLOSE_EVT == event)
1106        param_len = sizeof(tBTA_HH_CBDATA);
1107    else if (BTA_HH_GET_DSCP_EVT == event)
1108        param_len = sizeof(tBTA_HH_DEV_DSCP_INFO);
1109    else if ((BTA_HH_GET_PROTO_EVT == event) || (BTA_HH_GET_RPT_EVT == event)|| (BTA_HH_GET_IDLE_EVT == event))
1110        param_len = sizeof(tBTA_HH_HSDATA);
1111    else if ((BTA_HH_SET_PROTO_EVT == event) || (BTA_HH_SET_RPT_EVT == event) || (BTA_HH_VC_UNPLUG_EVT == event) || (BTA_HH_SET_IDLE_EVT == event))
1112        param_len = sizeof(tBTA_HH_CBDATA);
1113    else if ((BTA_HH_ADD_DEV_EVT == event) || (BTA_HH_RMV_DEV_EVT == event) )
1114        param_len = sizeof(tBTA_HH_DEV_INFO);
1115    else if (BTA_HH_API_ERR_EVT == event)
1116        param_len = 0;
1117    /* switch context to btif task context (copy full union size for convenience) */
1118    status = btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)p_data, param_len, NULL);
1119
1120    /* catch any failed context transfers */
1121    ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status);
1122}
1123
1124/*******************************************************************************
1125**
1126** Function         btif_hh_handle_evt
1127**
1128** Description      Switches context for immediate callback
1129**
1130** Returns          void
1131**
1132*******************************************************************************/
1133
1134static void btif_hh_handle_evt(UINT16 event, char *p_param)
1135{
1136    bt_bdaddr_t *bd_addr = (bt_bdaddr_t*)p_param;
1137    BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event);
1138    int ret;
1139    switch(event)
1140    {
1141        case BTIF_HH_CONNECT_REQ_EVT:
1142        {
1143            ret = btif_hh_connect(bd_addr);
1144            if(ret == BT_STATUS_SUCCESS)
1145            {
1146                HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_CONNECTING);
1147            }
1148            else
1149                HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTED);
1150        }
1151        break;
1152
1153        case BTIF_HH_DISCONNECT_REQ_EVT:
1154        {
1155            BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event);
1156            btif_hh_disconnect(bd_addr);
1157            HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTING);
1158        }
1159        break;
1160
1161        case BTIF_HH_VUP_REQ_EVT:
1162        {
1163            BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event);
1164            ret = btif_hh_virtual_unplug(bd_addr);
1165        }
1166        break;
1167
1168        default:
1169        {
1170            BTIF_TRACE_WARNING2("%s : Unknown event 0x%x", __FUNCTION__, event);
1171        }
1172        break;
1173    }
1174}
1175
1176/*******************************************************************************
1177**
1178** Function      btif_hh_tmr_hdlr
1179**
1180** Description   Process timer timeout
1181**
1182** Returns      void
1183*******************************************************************************/
1184void btif_hh_tmr_hdlr(TIMER_LIST_ENT *tle)
1185{
1186    btif_hh_device_t *p_dev;
1187    UINT8               i,j;
1188    tBTA_HH_EVT event;
1189    tBTA_HH p_data;
1190    int param_len = 0;
1191    memset(&p_data, 0, sizeof(tBTA_HH));
1192
1193    BTIF_TRACE_DEBUG2("%s timer_in_use=%d",  __FUNCTION__, tle->in_use );
1194
1195    for (i = 0; i < BTIF_HH_MAX_HID; i++) {
1196        if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED)
1197        {
1198
1199            p_dev = &btif_hh_cb.devices[i];
1200
1201            if (p_dev->vup_timer_active)
1202            {
1203                p_dev->vup_timer_active = FALSE;
1204                event = BTA_HH_VC_UNPLUG_EVT;
1205                p_data.dev_status.status = BTHH_ERR;
1206                p_data.dev_status.handle = p_dev->dev_handle;
1207                param_len = sizeof(tBTA_HH_CBDATA);
1208
1209                /* switch context to btif task context */
1210                btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)&p_data,
1211                            param_len, NULL);
1212            }
1213        }
1214    }
1215}
1216
1217/*******************************************************************************
1218**
1219** Function         btif_hh_init
1220**
1221** Description     initializes the hh interface
1222**
1223** Returns         bt_status_t
1224**
1225*******************************************************************************/
1226static bt_status_t init( bthh_callbacks_t* callbacks )
1227{
1228    UINT32 i;
1229    BTIF_TRACE_EVENT1("%s", __FUNCTION__);
1230
1231    bt_hh_callbacks = callbacks;
1232    memset(&btif_hh_cb, 0, sizeof(btif_hh_cb));
1233    for (i = 0; i < BTIF_HH_MAX_HID; i++){
1234        btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN;
1235    }
1236    /* Invoke the enable service API to the core to set the appropriate service_id */
1237    btif_enable_service(BTA_HID_SERVICE_ID);
1238    return BT_STATUS_SUCCESS;
1239}
1240
1241/*******************************************************************************
1242**
1243** Function        connect
1244**
1245** Description     connect to hid device
1246**
1247** Returns         bt_status_t
1248**
1249*******************************************************************************/
1250static bt_status_t connect( bt_bdaddr_t *bd_addr)
1251{
1252    if(btif_hh_cb.status != BTIF_HH_DEV_CONNECTING)
1253    {
1254        btif_transfer_context(btif_hh_handle_evt, BTIF_HH_CONNECT_REQ_EVT,
1255                                 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL);
1256        return BT_STATUS_SUCCESS;
1257    }
1258    else
1259        return BT_STATUS_BUSY;
1260}
1261
1262/*******************************************************************************
1263**
1264** Function         disconnect
1265**
1266** Description      disconnect from hid device
1267**
1268** Returns         bt_status_t
1269**
1270*******************************************************************************/
1271static bt_status_t disconnect( bt_bdaddr_t *bd_addr )
1272{
1273    CHECK_BTHH_INIT();
1274    btif_hh_device_t *p_dev;
1275
1276    if (btif_hh_cb.status == BTIF_HH_DISABLED)
1277    {
1278        BTIF_TRACE_WARNING2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status);
1279        return BT_STATUS_FAIL;
1280    }
1281    p_dev = btif_hh_find_connected_dev_by_bda(bd_addr);
1282    if (p_dev != NULL)
1283    {
1284        return btif_transfer_context(btif_hh_handle_evt, BTIF_HH_DISCONNECT_REQ_EVT,
1285                     (char*)bd_addr, sizeof(bt_bdaddr_t), NULL);
1286    }
1287    else
1288    {
1289        BTIF_TRACE_WARNING1("%s: Error, device  not opened.", __FUNCTION__);
1290        return BT_STATUS_FAIL;
1291    }
1292}
1293
1294/*******************************************************************************
1295**
1296** Function         virtual_unplug
1297**
1298** Description      Virtual UnPlug (VUP) the specified HID device.
1299**
1300** Returns         bt_status_t
1301**
1302*******************************************************************************/
1303static bt_status_t virtual_unplug (bt_bdaddr_t *bd_addr)
1304{
1305    CHECK_BTHH_INIT();
1306    btif_hh_device_t *p_dev;
1307    char bd_str[18];
1308    sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X",
1309            bd_addr->address[0],  bd_addr->address[1],  bd_addr->address[2],  bd_addr->address[3],
1310            bd_addr->address[4], bd_addr->address[5]);
1311    if (btif_hh_cb.status == BTIF_HH_DISABLED)
1312    {
1313        BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status);
1314        return BT_STATUS_FAIL;
1315    }
1316    p_dev = btif_hh_find_dev_by_bda(bd_addr);
1317    if (!p_dev)
1318    {
1319        BTIF_TRACE_ERROR2("%s: Error, device %s not opened.", __FUNCTION__, bd_str);
1320        return BT_STATUS_FAIL;
1321    }
1322    btif_transfer_context(btif_hh_handle_evt, BTIF_HH_VUP_REQ_EVT,
1323                                 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL);
1324    return BT_STATUS_SUCCESS;
1325}
1326
1327
1328/*******************************************************************************
1329**
1330** Function         set_info
1331**
1332** Description      Set the HID device descriptor for the specified HID device.
1333**
1334** Returns         bt_status_t
1335**
1336*******************************************************************************/
1337static bt_status_t set_info (bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info )
1338{
1339    CHECK_BTHH_INIT();
1340    tBTA_HH_DEV_DSCP_INFO dscp_info;
1341    BD_ADDR* bda = (BD_ADDR*) bd_addr;
1342
1343    BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X",
1344         (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1345    BTIF_TRACE_DEBUG6("%s: sub_class = 0x%02x, app_id = %d, vendor_id = 0x%04x, "
1346         "product_id = 0x%04x, version= 0x%04x",
1347         __FUNCTION__, hid_info.sub_class,
1348         hid_info.app_id, hid_info.vendor_id, hid_info.product_id,
1349         hid_info.version);
1350
1351    if (btif_hh_cb.status == BTIF_HH_DISABLED)
1352    {
1353        BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status);
1354        return BT_STATUS_FAIL;
1355    }
1356
1357    dscp_info.vendor_id  = hid_info.vendor_id;
1358    dscp_info.product_id = hid_info.product_id;
1359    dscp_info.version    = hid_info.version;
1360    dscp_info.ctry_code  = hid_info.ctry_code;
1361
1362    dscp_info.descriptor.dl_len = hid_info.dl_len;
1363    dscp_info.descriptor.dsc_list = (UINT8 *) GKI_getbuf(dscp_info.descriptor.dl_len);
1364    if (dscp_info.descriptor.dsc_list == NULL)
1365    {
1366        ALOGE("%s: Failed to allocate DSCP for CB", __FUNCTION__);
1367        return BT_STATUS_FAIL;
1368    }
1369    memcpy(dscp_info.descriptor.dsc_list, &(hid_info.dsc_list), hid_info.dl_len);
1370
1371    if (btif_hh_add_added_dev(*bd_addr, hid_info.attr_mask))
1372    {
1373        BTA_HhAddDev(*bda, hid_info.attr_mask, hid_info.sub_class,
1374                     hid_info.app_id, dscp_info);
1375    }
1376
1377    GKI_freebuf(dscp_info.descriptor.dsc_list);
1378
1379    return BT_STATUS_SUCCESS;
1380}
1381/*******************************************************************************
1382**
1383** Function         get_idle_time
1384**
1385** Description      Get the HID idle time
1386**
1387** Returns         bt_status_t
1388**
1389*******************************************************************************/
1390static bt_status_t get_idle_time(bt_bdaddr_t *bd_addr)
1391{
1392    CHECK_BTHH_INIT();
1393    btif_hh_device_t *p_dev;
1394    BD_ADDR* bda = (BD_ADDR*) bd_addr;
1395
1396    BTIF_TRACE_DEBUG6(" addr = %02X:%02X:%02X:%02X:%02X:%02X",
1397         (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1398
1399    if (btif_hh_cb.status == BTIF_HH_DISABLED) {
1400        BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status);
1401        return BT_STATUS_FAIL;
1402    }
1403
1404    p_dev = btif_hh_find_connected_dev_by_bda(bd_addr);
1405    if (p_dev != NULL) {
1406        //BTA_HhGetIdle(p_dev->dev_handle);
1407    }
1408    else {
1409        return BT_STATUS_FAIL;
1410    }
1411    return BT_STATUS_SUCCESS;
1412}
1413
1414/*******************************************************************************
1415**
1416** Function         set_idle_time
1417**
1418** Description      Set the HID idle time
1419**
1420** Returns         bt_status_t
1421**
1422*******************************************************************************/
1423static bt_status_t set_idle_time (bt_bdaddr_t *bd_addr, uint8_t idle_time)
1424{
1425    UNUSED(idle_time);
1426
1427    CHECK_BTHH_INIT();
1428    btif_hh_device_t *p_dev;
1429    BD_ADDR* bda = (BD_ADDR*) bd_addr;
1430
1431    BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X",
1432         (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1433
1434    if (btif_hh_cb.status == BTIF_HH_DISABLED) {
1435        BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status);
1436        return BT_STATUS_FAIL;
1437    }
1438
1439    p_dev = btif_hh_find_connected_dev_by_bda(bd_addr);
1440    if (p_dev == NULL) {
1441        BTIF_TRACE_WARNING6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.",
1442             (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1443        return BT_STATUS_FAIL;
1444    }
1445    else {
1446        //BTA_HhSetIdle(p_dev->dev_handle, idle_time);
1447    }
1448    return BT_STATUS_SUCCESS;
1449}
1450
1451/*******************************************************************************
1452**
1453** Function         get_protocol
1454**
1455** Description      Get the HID proto mode.
1456**
1457** Returns         bt_status_t
1458**
1459*******************************************************************************/
1460static bt_status_t get_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode)
1461{
1462    CHECK_BTHH_INIT();
1463    btif_hh_device_t *p_dev;
1464    BD_ADDR* bda = (BD_ADDR*) bd_addr;
1465    UNUSED(protocolMode);
1466
1467    BTIF_TRACE_DEBUG6(" addr = %02X:%02X:%02X:%02X:%02X:%02X",
1468         (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1469
1470    if (btif_hh_cb.status == BTIF_HH_DISABLED) {
1471        BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status);
1472        return BT_STATUS_FAIL;
1473    }
1474
1475    p_dev = btif_hh_find_connected_dev_by_bda(bd_addr);
1476    if (p_dev != NULL) {
1477
1478        BTA_HhGetProtoMode(p_dev->dev_handle);
1479    }
1480    else {
1481        return BT_STATUS_FAIL;
1482    }
1483    return BT_STATUS_SUCCESS;
1484}
1485
1486/*******************************************************************************
1487**
1488** Function         set_protocol
1489**
1490** Description      Set the HID proto mode.
1491**
1492** Returns         bt_status_t
1493**
1494*******************************************************************************/
1495static bt_status_t set_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode)
1496{
1497    CHECK_BTHH_INIT();
1498    btif_hh_device_t *p_dev;
1499    UINT8 proto_mode = protocolMode;
1500    BD_ADDR* bda = (BD_ADDR*) bd_addr;
1501
1502    BTIF_TRACE_DEBUG2("%s:proto_mode = %d", __FUNCTION__,protocolMode);
1503
1504    BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X",
1505         (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1506
1507    if (btif_hh_cb.status == BTIF_HH_DISABLED) {
1508        BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status);
1509        return BT_STATUS_FAIL;
1510    }
1511
1512    p_dev = btif_hh_find_connected_dev_by_bda(bd_addr);
1513    if (p_dev == NULL) {
1514        BTIF_TRACE_WARNING6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.",
1515             (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1516        return BT_STATUS_FAIL;
1517    }
1518    else if (protocolMode != BTA_HH_PROTO_RPT_MODE && protocolMode != BTA_HH_PROTO_BOOT_MODE) {
1519        BTIF_TRACE_WARNING2("s: Error, device proto_mode = %d.", __FUNCTION__, proto_mode);
1520        return BT_STATUS_FAIL;
1521    }
1522    else {
1523        BTA_HhSetProtoMode(p_dev->dev_handle, protocolMode);
1524    }
1525
1526
1527    return BT_STATUS_SUCCESS;
1528}
1529
1530/*******************************************************************************
1531**
1532** Function         get_report
1533**
1534** Description      Send a GET_REPORT to HID device.
1535**
1536** Returns         bt_status_t
1537**
1538*******************************************************************************/
1539static bt_status_t get_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, uint8_t reportId, int bufferSize)
1540{
1541    CHECK_BTHH_INIT();
1542    btif_hh_device_t *p_dev;
1543    BD_ADDR* bda = (BD_ADDR*) bd_addr;
1544
1545    BTIF_TRACE_DEBUG4("%s:proto_mode = %dr_type = %d, rpt_id = %d, buf_size = %d", __FUNCTION__,
1546          reportType, reportId, bufferSize);
1547
1548    BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X",
1549         (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1550
1551    if (btif_hh_cb.status == BTIF_HH_DISABLED) {
1552        BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status);
1553        return BT_STATUS_FAIL;
1554    }
1555
1556
1557    p_dev = btif_hh_find_connected_dev_by_bda(bd_addr);
1558    if (p_dev == NULL) {
1559        BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.",
1560             (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1561        return BT_STATUS_FAIL;
1562    }
1563    else if ( ((int) reportType) <= BTA_HH_RPTT_RESRV || ((int) reportType) > BTA_HH_RPTT_FEATURE) {
1564        BTIF_TRACE_ERROR6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.",
1565             (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1566        return BT_STATUS_FAIL;
1567    }
1568    else {
1569        BTA_HhGetReport(p_dev->dev_handle, reportType,
1570                        reportId, bufferSize);
1571    }
1572
1573    return BT_STATUS_SUCCESS;
1574}
1575
1576/*******************************************************************************
1577**
1578** Function         set_report
1579**
1580** Description      Send a SET_REPORT to HID device.
1581**
1582** Returns         bt_status_t
1583**
1584*******************************************************************************/
1585static bt_status_t set_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, char* report)
1586{
1587    CHECK_BTHH_INIT();
1588    btif_hh_device_t *p_dev;
1589    BD_ADDR* bda = (BD_ADDR*) bd_addr;
1590
1591    BTIF_TRACE_DEBUG2("%s:reportType = %d", __FUNCTION__,reportType);
1592
1593    BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X",
1594         (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1595
1596
1597    if (btif_hh_cb.status == BTIF_HH_DISABLED) {
1598        BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status);
1599        return BT_STATUS_FAIL;
1600    }
1601
1602    p_dev = btif_hh_find_connected_dev_by_bda(bd_addr);
1603    if (p_dev == NULL) {
1604        BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.",
1605             (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1606        return BT_STATUS_FAIL;
1607    }
1608    else if ( ( (int) reportType) <= BTA_HH_RPTT_RESRV || ( (int) reportType) > BTA_HH_RPTT_FEATURE) {
1609        BTIF_TRACE_ERROR6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.",
1610             (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1611        return BT_STATUS_FAIL;
1612    }
1613    else {
1614        int    hex_bytes_filled;
1615        UINT8  *hexbuf;
1616        UINT16 len = (strlen(report) + 1) / 2;
1617
1618        hexbuf = GKI_getbuf(len);
1619        if (hexbuf == NULL) {
1620            BTIF_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d",
1621                __FUNCTION__, len);
1622            return BT_STATUS_FAIL;
1623        }
1624
1625        /* Build a SetReport data buffer */
1626        memset(hexbuf, 0, len);
1627        //TODO
1628        hex_bytes_filled = ascii_2_hex(report, len, hexbuf);
1629        ALOGI("Hex bytes filled, hex value: %d", hex_bytes_filled);
1630        if (hex_bytes_filled) {
1631            BT_HDR* p_buf = create_pbuf(hex_bytes_filled, hexbuf);
1632            if (p_buf == NULL) {
1633                BTIF_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d",
1634                                  __FUNCTION__, hex_bytes_filled);
1635                GKI_freebuf(hexbuf);
1636                return BT_STATUS_FAIL;
1637            }
1638            BTA_HhSetReport(p_dev->dev_handle, reportType, p_buf);
1639            GKI_freebuf(hexbuf);
1640            return BT_STATUS_SUCCESS;
1641        }
1642        GKI_freebuf(hexbuf);
1643        return BT_STATUS_FAIL;
1644    }
1645}
1646
1647/*******************************************************************************
1648**
1649** Function         send_data
1650**
1651** Description      Send a SEND_DATA to HID device.
1652**
1653** Returns         bt_status_t
1654**
1655*******************************************************************************/
1656static bt_status_t send_data (bt_bdaddr_t *bd_addr, char* data)
1657{
1658    CHECK_BTHH_INIT();
1659    btif_hh_device_t *p_dev;
1660    BD_ADDR* bda = (BD_ADDR*) bd_addr;
1661
1662    BTIF_TRACE_DEBUG1("%s", __FUNCTION__);
1663
1664    BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X",
1665         (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1666
1667    if (btif_hh_cb.status == BTIF_HH_DISABLED) {
1668        BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status);
1669        return BT_STATUS_FAIL;
1670    }
1671
1672    p_dev = btif_hh_find_connected_dev_by_bda(bd_addr);
1673    if (p_dev == NULL) {
1674        BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.",
1675             (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]);
1676        return BT_STATUS_FAIL;
1677    }
1678
1679    else {
1680        int    hex_bytes_filled;
1681        UINT8  *hexbuf;
1682        UINT16 len = (strlen(data) + 1) / 2;
1683
1684        hexbuf = GKI_getbuf(len);
1685        if (hexbuf == NULL) {
1686            BTIF_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d",
1687                __FUNCTION__, len);
1688            return BT_STATUS_FAIL;
1689        }
1690
1691        /* Build a SendData data buffer */
1692        memset(hexbuf, 0, len);
1693        hex_bytes_filled = ascii_2_hex(data, len, hexbuf);
1694        BTIF_TRACE_ERROR2("Hex bytes filled, hex value: %d, %d", hex_bytes_filled, len);
1695
1696        if (hex_bytes_filled) {
1697            BT_HDR* p_buf = create_pbuf(hex_bytes_filled, hexbuf);
1698            if (p_buf == NULL) {
1699                BTIF_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d",
1700                                  __FUNCTION__, hex_bytes_filled);
1701                GKI_freebuf(hexbuf);
1702                return BT_STATUS_FAIL;
1703            }
1704            p_buf->layer_specific = BTA_HH_RPTT_OUTPUT;
1705            BTA_HhSendData(p_dev->dev_handle, *bda, p_buf);
1706            GKI_freebuf(hexbuf);
1707            return BT_STATUS_SUCCESS;
1708        }
1709        GKI_freebuf(hexbuf);
1710        return BT_STATUS_FAIL;
1711    }
1712}
1713
1714
1715/*******************************************************************************
1716**
1717** Function         cleanup
1718**
1719** Description      Closes the HH interface
1720**
1721** Returns          bt_status_t
1722**
1723*******************************************************************************/
1724static void  cleanup( void )
1725{
1726    BTIF_TRACE_EVENT1("%s", __FUNCTION__);
1727    btif_hh_device_t *p_dev;
1728    int i;
1729    if (btif_hh_cb.status == BTIF_HH_DISABLED) {
1730        BTIF_TRACE_WARNING2("%s: HH disabling or disabled already, status = %d", __FUNCTION__, btif_hh_cb.status);
1731        return;
1732    }
1733    btif_hh_cb.status = BTIF_HH_DISABLING;
1734    for (i = 0; i < BTIF_HH_MAX_HID; i++) {
1735         p_dev = &btif_hh_cb.devices[i];
1736         if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && p_dev->fd >= 0) {
1737             BTIF_TRACE_DEBUG2("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd);
1738             bta_hh_co_destroy(p_dev->fd);
1739             p_dev->fd = -1;
1740             p_dev->hh_keep_polling = 0;
1741             p_dev->hh_poll_thread_id = -1;
1742         }
1743     }
1744
1745    if (bt_hh_callbacks)
1746    {
1747        btif_disable_service(BTA_HID_SERVICE_ID);
1748        bt_hh_callbacks = NULL;
1749    }
1750
1751}
1752
1753static const bthh_interface_t bthhInterface = {
1754    sizeof(bthhInterface),
1755    init,
1756    connect,
1757    disconnect,
1758    virtual_unplug,
1759    set_info,
1760    get_protocol,
1761    set_protocol,
1762//    get_idle_time,
1763//    set_idle_time,
1764    get_report,
1765    set_report,
1766    send_data,
1767    cleanup,
1768};
1769
1770/*******************************************************************************
1771**
1772** Function         btif_hh_execute_service
1773**
1774** Description      Initializes/Shuts down the service
1775**
1776** Returns          BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise
1777**
1778*******************************************************************************/
1779bt_status_t btif_hh_execute_service(BOOLEAN b_enable)
1780{
1781     if (b_enable)
1782     {
1783          /* Enable and register with BTA-HH */
1784          BTA_HhEnable(BTA_SEC_NONE, bte_hh_evt);
1785     }
1786     else {
1787         /* Disable HH */
1788         BTA_HhDisable();
1789     }
1790     return BT_STATUS_SUCCESS;
1791}
1792
1793/*******************************************************************************
1794**
1795** Function         btif_hh_get_interface
1796**
1797** Description      Get the hh callback interface
1798**
1799** Returns          bthh_interface_t
1800**
1801*******************************************************************************/
1802const bthh_interface_t *btif_hh_get_interface()
1803{
1804    BTIF_TRACE_EVENT1("%s", __FUNCTION__);
1805    return &bthhInterface;
1806}
1807