1/******************************************************************************
2 *
3 *  Copyright (C) 1999-2012 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 *  This file contains the main Bluetooth Upper Layer processing loop.
22 *  The Broadcom implementations of L2CAP RFCOMM, SDP and the BTIf run as one
23 *  GKI task. This btu_task switches between them.
24 *
25 *  Note that there will always be an L2CAP, but there may or may not be an
26 *  RFCOMM or SDP. Whether these layers are present or not is determined by
27 *  compile switches.
28 *
29 ******************************************************************************/
30
31#include <stdlib.h>
32#include <string.h>
33#include <stdio.h>
34
35#include "bt_target.h"
36#include "gki.h"
37#include "bt_types.h"
38#include "hcimsgs.h"
39#include "l2c_int.h"
40#include "btu.h"
41#include "bt_utils.h"
42
43#include "sdpint.h"
44
45#if ( defined(RFCOMM_INCLUDED) && RFCOMM_INCLUDED == TRUE )
46#include "port_api.h"
47#include "port_ext.h"
48#endif
49
50#include "btm_api.h"
51#include "btm_int.h"
52
53#if (defined(EVAL) && EVAL == TRUE)
54#include "btu_eval.h"
55#endif
56
57#if GAP_INCLUDED == TRUE
58#include "gap_int.h"
59#endif
60
61#if (defined(OBX_INCLUDED) && OBX_INCLUDED == TRUE)
62#include "obx_int.h"
63
64#if (defined(BIP_INCLUDED) && BIP_INCLUDED == TRUE)
65#include "bip_int.h"
66#endif /* BIP */
67
68#if (BPP_SND_INCLUDED == TRUE ||  BPP_INCLUDED == TRUE)
69#include "bpp_int.h"
70#endif /* BPP */
71
72#endif /* OBX */
73
74#include "bt_trace.h"
75
76/* BTE application task */
77#if APPL_INCLUDED == TRUE
78#include "bte_appl.h"
79#endif
80
81#if (defined(RPC_INCLUDED) && RPC_INCLUDED == TRUE)
82#include "rpct_main.h"
83#endif
84
85#if (defined(BNEP_INCLUDED) && BNEP_INCLUDED == TRUE)
86#include "bnep_int.h"
87#endif
88
89#if (defined(PAN_INCLUDED) && PAN_INCLUDED == TRUE)
90#include "pan_int.h"
91#endif
92
93#if (defined(SAP_SERVER_INCLUDED) && SAP_SERVER_INCLUDED == TRUE)
94#include "sap_int.h"
95#endif
96
97#if (defined(HID_DEV_INCLUDED) && HID_DEV_INCLUDED == TRUE )
98#include "hidd_int.h"
99#endif
100
101#if (defined(HID_HOST_INCLUDED) && HID_HOST_INCLUDED == TRUE )
102#include "hidh_int.h"
103#endif
104
105#if (defined(AVDT_INCLUDED) && AVDT_INCLUDED == TRUE)
106#include "avdt_int.h"
107#else
108extern void avdt_rcv_sync_info (BT_HDR *p_buf); /* this is for hci_test */
109#endif
110
111#if (defined(MCA_INCLUDED) && MCA_INCLUDED == TRUE)
112#include "mca_api.h"
113#include "mca_defs.h"
114#include "mca_int.h"
115#endif
116
117
118#if (defined(BTU_BTA_INCLUDED) && BTU_BTA_INCLUDED == TRUE)
119#include "bta_sys.h"
120#endif
121
122#if (BLE_INCLUDED == TRUE)
123#include "gatt_int.h"
124#if (SMP_INCLUDED == TRUE)
125#include "smp_int.h"
126#endif
127#include "btm_ble_int.h"
128#endif
129
130#ifdef __cplusplus
131extern "C"
132{
133#endif
134
135BT_API extern void BTE_InitStack(void);
136
137#ifdef __cplusplus
138}
139#endif
140
141/* Define BTU storage area
142*/
143#if BTU_DYNAMIC_MEMORY == FALSE
144tBTU_CB  btu_cb;
145#endif
146
147
148/* Define a function prototype to allow a generic timeout handler */
149typedef void (tUSER_TIMEOUT_FUNC) (TIMER_LIST_ENT *p_tle);
150
151/*******************************************************************************
152**
153** Function         btu_task
154**
155** Description      This is the main task of the Bluetooth Upper Layers unit.
156**                  It sits in a loop waiting for messages, and dispatches them
157**                  to the appropiate handlers.
158**
159** Returns          should never return
160**
161*******************************************************************************/
162BTU_API UINT32 btu_task (UINT32 param)
163{
164    UINT16           event;
165    BT_HDR          *p_msg;
166    UINT8            i;
167    UINT16           mask;
168    BOOLEAN          handled;
169
170#if (defined(HCISU_H4_INCLUDED) && HCISU_H4_INCLUDED == TRUE)
171    /* wait an event that HCISU is ready */
172    GKI_wait(0xFFFF, 0);
173#endif
174    /* Initialize the mandatory core stack control blocks
175       (BTU, BTM, L2CAP, and SDP)
176     */
177    btu_init_core();
178
179    /* Initialize any optional stack components */
180    BTE_InitStack();
181
182#if (defined(BTU_BTA_INCLUDED) && BTU_BTA_INCLUDED == TRUE)
183    bta_sys_init();
184#endif
185
186    /* Initialise platform trace levels at this point as BTE_InitStack() and bta_sys_init()
187     * reset the control blocks and preset the trace level with XXX_INITIAL_TRACE_LEVEL
188     */
189#if ( BT_USE_TRACES==TRUE )
190    BTE_InitTraceLevels();
191#endif
192
193    /* Send a startup evt message to BTIF_TASK to kickstart the init procedure */
194    GKI_send_event(BTIF_TASK, BT_EVT_TRIGGER_STACK_INIT);
195
196    raise_priority_a2dp(TASK_HIGH_BTU);
197
198    /* Wait for, and process, events */
199    for (;;)
200    {
201        event = GKI_wait (0xFFFF, 0);
202
203        if (event & TASK_MBOX_0_EVT_MASK)
204        {
205            /* Process all messages in the queue */
206            while ((p_msg = (BT_HDR *) GKI_read_mbox (BTU_HCI_RCV_MBOX)) != NULL)
207            {
208                /* Determine the input message type. */
209                switch (p_msg->event & BT_EVT_MASK)
210                {
211                    case BT_EVT_TO_BTU_HCI_ACL:
212                        /* All Acl Data goes to L2CAP */
213                        l2c_rcv_acl_data (p_msg);
214                        break;
215
216                    case BT_EVT_TO_BTU_L2C_SEG_XMIT:
217                        /* L2CAP segment transmit complete */
218                        l2c_link_segments_xmitted (p_msg);
219                        break;
220
221                    case BT_EVT_TO_BTU_HCI_SCO:
222#if BTM_SCO_INCLUDED == TRUE
223                        btm_route_sco_data (p_msg);
224                        break;
225#endif
226
227                    case BT_EVT_TO_BTU_HCI_EVT:
228                        btu_hcif_process_event ((UINT8)(p_msg->event & BT_SUB_EVT_MASK), p_msg);
229                        GKI_freebuf(p_msg);
230
231#if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE)
232                        /* If host receives events which it doesn't response to, */
233                        /* host should start idle timer to enter sleep mode.     */
234                        btu_check_bt_sleep ();
235#endif
236                        break;
237
238                    case BT_EVT_TO_BTU_HCI_CMD:
239                        btu_hcif_send_cmd ((UINT8)(p_msg->event & BT_SUB_EVT_MASK), p_msg);
240                        break;
241
242#if (defined(OBX_INCLUDED) && OBX_INCLUDED == TRUE)
243#if (defined(OBX_SERVER_INCLUDED) && OBX_SERVER_INCLUDED == TRUE)
244                    case BT_EVT_TO_OBX_SR_MSG:
245                        obx_sr_proc_evt((tOBX_PORT_EVT *)(p_msg + 1));
246                        GKI_freebuf (p_msg);
247                        break;
248
249                    case BT_EVT_TO_OBX_SR_L2C_MSG:
250                        obx_sr_proc_l2c_evt((tOBX_L2C_EVT_MSG *)(p_msg + 1));
251                        GKI_freebuf (p_msg);
252                        break;
253#endif
254
255#if (defined(OBX_CLIENT_INCLUDED) && OBX_CLIENT_INCLUDED == TRUE)
256                    case BT_EVT_TO_OBX_CL_MSG:
257                        obx_cl_proc_evt((tOBX_PORT_EVT *)(p_msg + 1));
258                        GKI_freebuf (p_msg);
259                        break;
260
261                    case BT_EVT_TO_OBX_CL_L2C_MSG:
262                        obx_cl_proc_l2c_evt((tOBX_L2C_EVT_MSG *)(p_msg + 1));
263                        GKI_freebuf (p_msg);
264                        break;
265#endif
266
267#if (defined(BIP_INCLUDED) && BIP_INCLUDED == TRUE)
268                    case BT_EVT_TO_BIP_CMDS :
269                        bip_proc_btu_event(p_msg);
270                        GKI_freebuf (p_msg);
271                        break;
272#endif /* BIP */
273#if (BPP_SND_INCLUDED == TRUE || BPP_INCLUDED == TRUE)
274                    case BT_EVT_TO_BPP_PR_CMDS:
275                        bpp_pr_proc_event(p_msg);
276                        GKI_freebuf (p_msg);
277                        break;
278                    case BT_EVT_TO_BPP_SND_CMDS:
279                        bpp_snd_proc_event(p_msg);
280                        GKI_freebuf (p_msg);
281                        break;
282
283#endif /* BPP */
284
285#endif /* OBX */
286
287#if (defined(SAP_SERVER_INCLUDED) && SAP_SERVER_INCLUDED == TRUE)
288                    case BT_EVT_TO_BTU_SAP :
289                        sap_proc_btu_event(p_msg);
290                        GKI_freebuf (p_msg);
291                        break;
292#endif /* SAP */
293#if (defined(GAP_CONN_INCLUDED) && GAP_CONN_INCLUDED == TRUE && GAP_CONN_POST_EVT_INCLUDED == TRUE)
294                    case BT_EVT_TO_GAP_MSG :
295                        gap_proc_btu_event(p_msg);
296                        GKI_freebuf (p_msg);
297                        break;
298#endif
299                    case BT_EVT_TO_START_TIMER :
300                        /* Start free running 1 second timer for list management */
301                        GKI_start_timer (TIMER_0, GKI_SECS_TO_TICKS (1), TRUE);
302                        GKI_freebuf (p_msg);
303                        break;
304
305#if defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0)
306                    case BT_EVT_TO_START_QUICK_TIMER :
307                        GKI_start_timer (TIMER_2, QUICK_TIMER_TICKS, TRUE);
308                        GKI_freebuf (p_msg);
309                        break;
310#endif
311
312                    default:
313                        i = 0;
314                        mask = (UINT16) (p_msg->event & BT_EVT_MASK);
315                        handled = FALSE;
316
317                        for (; !handled && i < BTU_MAX_REG_EVENT; i++)
318                        {
319                            if (btu_cb.event_reg[i].event_cb == NULL)
320                                continue;
321
322                            if (mask == btu_cb.event_reg[i].event_range)
323                            {
324                                if (btu_cb.event_reg[i].event_cb)
325                                {
326                                    btu_cb.event_reg[i].event_cb(p_msg);
327                                    handled = TRUE;
328                                }
329                            }
330                        }
331
332                        if (handled == FALSE)
333                            GKI_freebuf (p_msg);
334
335                        break;
336                }
337            }
338        }
339
340
341        if (event & TIMER_0_EVT_MASK)
342        {
343            TIMER_LIST_ENT  *p_tle;
344
345            GKI_update_timer_list (&btu_cb.timer_queue, 1);
346
347            while ((btu_cb.timer_queue.p_first) && (!btu_cb.timer_queue.p_first->ticks))
348            {
349                p_tle = btu_cb.timer_queue.p_first;
350                GKI_remove_from_timer_list (&btu_cb.timer_queue, p_tle);
351
352                switch (p_tle->event)
353                {
354                    case BTU_TTYPE_BTM_DEV_CTL:
355                        btm_dev_timeout(p_tle);
356                        break;
357
358                    case BTU_TTYPE_BTM_ACL:
359                        btm_acl_timeout(p_tle);
360                        break;
361
362                    case BTU_TTYPE_L2CAP_LINK:
363                    case BTU_TTYPE_L2CAP_CHNL:
364                    case BTU_TTYPE_L2CAP_HOLD:
365                    case BTU_TTYPE_L2CAP_INFO:
366                    case BTU_TTYPE_L2CAP_FCR_ACK:
367
368                        l2c_process_timeout (p_tle);
369                        break;
370
371                    case BTU_TTYPE_SDP:
372                        sdp_conn_timeout ((tCONN_CB *)p_tle->param);
373                        break;
374
375                    case BTU_TTYPE_BTM_RMT_NAME:
376                        btm_inq_rmt_name_failed();
377                        break;
378
379#if (defined(RFCOMM_INCLUDED) && RFCOMM_INCLUDED == TRUE)
380                    case BTU_TTYPE_RFCOMM_MFC:
381                    case BTU_TTYPE_RFCOMM_PORT:
382                        rfcomm_process_timeout (p_tle);
383                        break;
384
385#endif /* If defined(RFCOMM_INCLUDED) && RFCOMM_INCLUDED == TRUE */
386
387#if ((defined(BNEP_INCLUDED) && BNEP_INCLUDED == TRUE))
388                    case BTU_TTYPE_BNEP:
389                        bnep_process_timeout(p_tle);
390                        break;
391#endif
392
393
394#if (defined(AVDT_INCLUDED) && AVDT_INCLUDED == TRUE)
395                    case BTU_TTYPE_AVDT_CCB_RET:
396                    case BTU_TTYPE_AVDT_CCB_RSP:
397                    case BTU_TTYPE_AVDT_CCB_IDLE:
398                    case BTU_TTYPE_AVDT_SCB_TC:
399                        avdt_process_timeout(p_tle);
400                        break;
401#endif
402
403#if (defined(OBX_INCLUDED) && OBX_INCLUDED == TRUE)
404#if (defined(OBX_CLIENT_INCLUDED) && OBX_CLIENT_INCLUDED == TRUE)
405                    case BTU_TTYPE_OBX_CLIENT_TO:
406                        obx_cl_timeout(p_tle);
407                        break;
408#endif
409#if (defined(OBX_SERVER_INCLUDED) && OBX_SERVER_INCLUDED == TRUE)
410                    case BTU_TTYPE_OBX_SERVER_TO:
411                        obx_sr_timeout(p_tle);
412                        break;
413
414                    case BTU_TTYPE_OBX_SVR_SESS_TO:
415                        obx_sr_sess_timeout(p_tle);
416                        break;
417#endif
418#endif
419
420#if (defined(SAP_SERVER_INCLUDED) && SAP_SERVER_INCLUDED == TRUE)
421                    case BTU_TTYPE_SAP_TO:
422                        sap_process_timeout(p_tle);
423                        break;
424#endif
425
426                    case BTU_TTYPE_BTU_CMD_CMPL:
427                        btu_hcif_cmd_timeout((UINT8)(p_tle->event - BTU_TTYPE_BTU_CMD_CMPL));
428                        break;
429
430#if (defined(HID_HOST_INCLUDED) && HID_HOST_INCLUDED == TRUE)
431                    case BTU_TTYPE_HID_HOST_REPAGE_TO :
432                        hidh_proc_repage_timeout(p_tle);
433                        break;
434#endif
435
436#if (defined(BLE_INCLUDED) && BLE_INCLUDED == TRUE)
437                    case BTU_TTYPE_BLE_INQUIRY:
438                    case BTU_TTYPE_BLE_GAP_LIM_DISC:
439                    case BTU_TTYPE_BLE_RANDOM_ADDR:
440                        btm_ble_timeout(p_tle);
441                        break;
442
443                    case BTU_TTYPE_BLE_SCAN_PARAM_IDLE:
444                        btm_ble_scan_param_idle();
445                        break;
446
447                    case BTU_TTYPE_ATT_WAIT_FOR_RSP:
448                        gatt_rsp_timeout(p_tle);
449                        break;
450
451                    case BTU_TTYPE_ATT_WAIT_FOR_IND_ACK:
452                        gatt_ind_ack_timeout(p_tle);
453                        break;
454#if (defined(SMP_INCLUDED) && SMP_INCLUDED == TRUE)
455                    case BTU_TTYPE_SMP_PAIRING_CMD:
456                        smp_rsp_timeout(p_tle);
457                        break;
458#endif
459
460#endif
461
462#if (MCA_INCLUDED == TRUE)
463                    case BTU_TTYPE_MCA_CCB_RSP:
464                        mca_process_timeout(p_tle);
465                        break;
466#endif
467                    case BTU_TTYPE_USER_FUNC:
468                        {
469                            tUSER_TIMEOUT_FUNC  *p_uf = (tUSER_TIMEOUT_FUNC *)p_tle->param;
470                            (*p_uf)(p_tle);
471                        }
472                        break;
473
474                    default:
475                        i = 0;
476                        handled = FALSE;
477
478                        for (; !handled && i < BTU_MAX_REG_TIMER; i++)
479                        {
480                            if (btu_cb.timer_reg[i].timer_cb == NULL)
481                                continue;
482                            if (btu_cb.timer_reg[i].p_tle == p_tle)
483                            {
484                                btu_cb.timer_reg[i].timer_cb(p_tle);
485                                handled = TRUE;
486                            }
487                        }
488                        break;
489                }
490            }
491
492            /* if timer list is empty stop periodic GKI timer */
493            if (btu_cb.timer_queue.p_first == NULL)
494            {
495                GKI_stop_timer(TIMER_0);
496            }
497        }
498
499#if defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0)
500        if (event & TIMER_2_EVT_MASK)
501        {
502            btu_process_quick_timer_evt();
503        }
504#endif
505
506
507#if (RPC_INCLUDED == TRUE)
508        /* if RPC message queue event */
509        if (event & RPCGEN_MSG_EVT)
510        {
511            if ((p_msg = (BT_HDR *) GKI_read_mbox(RPCGEN_MSG_MBOX)) != NULL)
512                RPCT_RpcgenMsg(p_msg);  /* handle RPC message queue */
513        }
514#endif
515
516#if (defined(BTU_BTA_INCLUDED) && BTU_BTA_INCLUDED == TRUE)
517        if (event & TASK_MBOX_2_EVT_MASK)
518        {
519            while ((p_msg = (BT_HDR *) GKI_read_mbox(TASK_MBOX_2)) != NULL)
520            {
521                bta_sys_event(p_msg);
522            }
523        }
524
525        if (event & TIMER_1_EVT_MASK)
526        {
527            bta_sys_timer_update();
528        }
529#endif
530
531        if (event & EVENT_MASK(APPL_EVT_7))
532            break;
533    }
534
535    return(0);
536}
537
538/*******************************************************************************
539**
540** Function         btu_start_timer
541**
542** Description      Start a timer for the specified amount of time.
543**                  NOTE: The timeout resolution is in SECONDS! (Even
544**                          though the timer structure field is ticks)
545**
546** Returns          void
547**
548*******************************************************************************/
549void btu_start_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout)
550{
551    BT_HDR *p_msg;
552    /* if timer list is currently empty, start periodic GKI timer */
553    if (btu_cb.timer_queue.p_first == NULL)
554    {
555        /* if timer starts on other than BTU task */
556        if (GKI_get_taskid() != BTU_TASK)
557        {
558            /* post event to start timer in BTU task */
559            if ((p_msg = (BT_HDR *)GKI_getbuf(BT_HDR_SIZE)) != NULL)
560            {
561                p_msg->event = BT_EVT_TO_START_TIMER;
562                GKI_send_msg (BTU_TASK, TASK_MBOX_0, p_msg);
563            }
564        }
565        else
566        {
567            /* Start free running 1 second timer for list management */
568            GKI_start_timer (TIMER_0, GKI_SECS_TO_TICKS (1), TRUE);
569        }
570    }
571
572    GKI_remove_from_timer_list (&btu_cb.timer_queue, p_tle);
573
574    p_tle->event = type;
575    p_tle->ticks = timeout;         /* Save the number of seconds for the timer */
576
577    GKI_add_to_timer_list (&btu_cb.timer_queue, p_tle);
578}
579
580/*******************************************************************************
581**
582** Function         btu_remaining_time
583**
584** Description      Return amount of time to expire
585**
586** Returns          time in second
587**
588*******************************************************************************/
589UINT32 btu_remaining_time (TIMER_LIST_ENT *p_tle)
590{
591    return(GKI_get_remaining_ticks (&btu_cb.timer_queue, p_tle));
592}
593
594/*******************************************************************************
595**
596** Function         btu_stop_timer
597**
598** Description      Stop a timer.
599**
600** Returns          void
601**
602*******************************************************************************/
603void btu_stop_timer (TIMER_LIST_ENT *p_tle)
604{
605    GKI_remove_from_timer_list (&btu_cb.timer_queue, p_tle);
606
607    /* if timer list is empty stop periodic GKI timer */
608    if (btu_cb.timer_queue.p_first == NULL)
609    {
610        GKI_stop_timer(TIMER_0);
611    }
612
613}
614
615#if defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0)
616/*******************************************************************************
617**
618** Function         btu_start_quick_timer
619**
620** Description      Start a timer for the specified amount of time.
621**                  NOTE: The timeout resolution depends on including modules.
622**                  QUICK_TIMER_TICKS_PER_SEC should be used to convert from
623**                  time to ticks.
624**
625**
626** Returns          void
627**
628*******************************************************************************/
629void btu_start_quick_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout)
630{
631    BT_HDR *p_msg;
632
633    /* if timer list is currently empty, start periodic GKI timer */
634    if (btu_cb.quick_timer_queue.p_first == NULL)
635    {
636        /* script test calls stack API without posting event */
637        if (GKI_get_taskid() != BTU_TASK)
638        {
639            /* post event to start timer in BTU task */
640            if ((p_msg = (BT_HDR *)GKI_getbuf(BT_HDR_SIZE)) != NULL)
641            {
642                p_msg->event = BT_EVT_TO_START_QUICK_TIMER;
643                GKI_send_msg (BTU_TASK, TASK_MBOX_0, p_msg);
644            }
645        }
646        else
647            GKI_start_timer(TIMER_2, QUICK_TIMER_TICKS, TRUE);
648    }
649
650    GKI_remove_from_timer_list (&btu_cb.quick_timer_queue, p_tle);
651
652    p_tle->event = type;
653    p_tle->ticks = timeout; /* Save the number of ticks for the timer */
654
655    GKI_add_to_timer_list (&btu_cb.quick_timer_queue, p_tle);
656}
657
658
659/*******************************************************************************
660**
661** Function         btu_stop_quick_timer
662**
663** Description      Stop a timer.
664**
665** Returns          void
666**
667*******************************************************************************/
668void btu_stop_quick_timer (TIMER_LIST_ENT *p_tle)
669{
670    GKI_remove_from_timer_list (&btu_cb.quick_timer_queue, p_tle);
671
672    /* if timer list is empty stop periodic GKI timer */
673    if (btu_cb.quick_timer_queue.p_first == NULL)
674    {
675        GKI_stop_timer(TIMER_2);
676    }
677}
678
679/*******************************************************************************
680**
681** Function         btu_process_quick_timer_evt
682**
683** Description      Process quick timer event
684**
685** Returns          void
686**
687*******************************************************************************/
688void btu_process_quick_timer_evt(void)
689{
690    process_quick_timer_evt(&btu_cb.quick_timer_queue);
691
692    /* if timer list is empty stop periodic GKI timer */
693    if (btu_cb.quick_timer_queue.p_first == NULL)
694    {
695        GKI_stop_timer(TIMER_2);
696    }
697}
698
699/*******************************************************************************
700**
701** Function         process_quick_timer_evt
702**
703** Description      Process quick timer event
704**
705** Returns          void
706**
707*******************************************************************************/
708void process_quick_timer_evt(TIMER_LIST_Q *p_tlq)
709{
710    TIMER_LIST_ENT  *p_tle;
711
712    GKI_update_timer_list (p_tlq, 1);
713
714    while ((p_tlq->p_first) && (!p_tlq->p_first->ticks))
715    {
716        p_tle = p_tlq->p_first;
717        GKI_remove_from_timer_list (p_tlq, p_tle);
718
719        switch (p_tle->event)
720        {
721            case BTU_TTYPE_L2CAP_CHNL:      /* monitor or retransmission timer */
722            case BTU_TTYPE_L2CAP_FCR_ACK:   /* ack timer */
723                l2c_process_timeout (p_tle);
724                break;
725
726            default:
727                break;
728        }
729    }
730}
731#endif /* defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0) */
732
733
734
735void btu_register_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout, tBTU_TIMER_CALLBACK timer_cb)
736{
737    UINT8 i = 0;
738    INT8  first = -1;
739    for (; i < BTU_MAX_REG_TIMER; i++)
740    {
741        if (btu_cb.timer_reg[i].p_tle == NULL && first < 0)
742            first = i;
743        if (btu_cb.timer_reg[i].p_tle == p_tle)
744        {
745            btu_cb.timer_reg[i].timer_cb = timer_cb;
746            btu_start_timer(p_tle, type, timeout);
747            first = -1;
748            break;
749        }
750    }
751
752    if (first >= 0 && first < BTU_MAX_REG_TIMER)
753    {
754        btu_cb.timer_reg[first].timer_cb = timer_cb;
755        btu_cb.timer_reg[first].p_tle = p_tle;
756        btu_start_timer(p_tle, type, timeout);
757    }
758
759}
760
761
762void btu_deregister_timer(TIMER_LIST_ENT *p_tle)
763{
764    UINT8 i = 0;
765
766    for (; i < BTU_MAX_REG_TIMER; i++)
767    {
768        if (btu_cb.timer_reg[i].p_tle == p_tle)
769        {
770            btu_stop_timer(p_tle);
771            btu_cb.timer_reg[i].timer_cb = NULL;
772            btu_cb.timer_reg[i].p_tle = NULL;
773            break;
774        }
775    }
776}
777
778void btu_register_event_range (UINT16 start, tBTU_EVENT_CALLBACK event_cb)
779{
780    UINT8 i = 0;
781    INT8  first = -1;
782
783    for (; i < BTU_MAX_REG_EVENT; i++)
784    {
785        if (btu_cb.event_reg[i].event_cb == NULL && first < 0)
786            first = i;
787
788        if (btu_cb.event_reg[i].event_range == start)
789        {
790            btu_cb.event_reg[i].event_cb = event_cb;
791
792            if (!event_cb)
793                btu_cb.event_reg[i].event_range = 0;
794
795            first = -1;
796        }
797    }
798
799    /* if not deregistering && an empty index was found in range, register */
800    if (event_cb && first >= 0 && first < BTU_MAX_REG_EVENT)
801    {
802        btu_cb.event_reg[first].event_range = start;
803        btu_cb.event_reg[first].event_cb = event_cb;
804    }
805}
806
807
808void btu_deregister_event_range (UINT16 range)
809{
810    btu_register_event_range(range, NULL);
811}
812
813#if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE)
814/*******************************************************************************
815**
816** Function         btu_check_bt_sleep
817**
818** Description      This function is called to check if controller can go to sleep.
819**
820** Returns          void
821**
822*******************************************************************************/
823void btu_check_bt_sleep (void)
824{
825    if ((btu_cb.hci_cmd_cb[LOCAL_BR_EDR_CONTROLLER_ID].cmd_cmpl_q.count == 0)
826        &&(btu_cb.hci_cmd_cb[LOCAL_BR_EDR_CONTROLLER_ID].cmd_xmit_q.count == 0))
827    {
828        if (l2cb.controller_xmit_window == l2cb.num_lm_acl_bufs)
829        {
830            /* enable dev to sleep  in the cmd cplt and cmd status only and num cplt packet */
831            HCI_LP_ALLOW_BT_DEVICE_SLEEP();
832        }
833    }
834}
835#endif
836