1 /******************************************************************************
3 * Copyright (C) 2005-2012 Broadcom Corporation
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:
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 ******************************************************************************/
19 /******************************************************************************
21 * This file contains the HID host action functions.
23 ******************************************************************************/
25 #include "bt_target.h"
27 #if defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE)
34 #include "bta_hh_int.h"
35 #include "bta_hh_co.h"
38 /*****************************************************************************
40 *****************************************************************************/
43 /*****************************************************************************
44 ** Local Function prototypes
45 *****************************************************************************/
46 static void bta_hh_cback (UINT8 dev_handle, BD_ADDR addr, UINT8 event,
47 UINT32 data, BT_HDR *pdata);
48 static tBTA_HH_STATUS bta_hh_get_trans_status(UINT32 result);
51 static char* bta_hh_get_w4_event(UINT16 event);
52 static char * bta_hh_hid_event_name(UINT16 event);
55 /*****************************************************************************
57 *****************************************************************************/
58 /*******************************************************************************
60 ** Function bta_hh_api_enable
62 ** Description Perform necessary operations to enable HID host.
67 *******************************************************************************/
68 void bta_hh_api_enable(tBTA_HH_DATA *p_data)
70 tBTA_HH_STATUS status = BTA_HH_ERR;
73 /* initialize BTE HID */
76 memset(&bta_hh_cb, 0, sizeof(tBTA_HH_CB));
78 HID_HostSetSecurityLevel("", p_data->api_enable.sec_mask);
80 /* Register with L2CAP */
81 if ( HID_HostRegister (bta_hh_cback) == HID_SUCCESS)
83 /* store parameters */
84 bta_hh_cb.p_cback = p_data->api_enable.p_cback;
87 /* initialize device CB */
88 for (xx = 0; xx < BTA_HH_MAX_DEVICE; xx ++)
90 bta_hh_cb.kdev[xx].state = BTA_HH_IDLE_ST;
91 bta_hh_cb.kdev[xx].hid_handle = BTA_HH_INVALID_HANDLE;
92 bta_hh_cb.kdev[xx].index = xx;
95 /* initialize control block map */
96 for (xx = 0; xx < BTA_HH_MAX_KNOWN; xx ++)
97 bta_hh_cb.cb_index[xx] = BTA_HH_IDX_INVALID;
100 #if (BTA_HH_LE_INCLUDED == TRUE)
101 if (status == BTA_HH_OK)
107 /* signal BTA call back event */
108 (* bta_hh_cb.p_cback)(BTA_HH_ENABLE_EVT, (tBTA_HH *)&status);
110 /*******************************************************************************
112 ** Function bta_hh_api_disable
114 ** Description Perform necessary operations to disable HID host.
119 *******************************************************************************/
120 void bta_hh_api_disable(void)
124 /* service is not enabled */
125 if (bta_hh_cb.p_cback == NULL)
128 /* no live connection, signal DISC_CMPL_EVT directly */
129 if (!bta_hh_cb.cnt_num)
133 else /* otherwise, disconnect all live connections */
135 bta_hh_cb.w4_disable = TRUE;
137 for(xx = 0; xx < BTA_HH_MAX_DEVICE; xx ++)
139 /* send API_CLOSE event to every connected device */
140 if ( bta_hh_cb.kdev[xx].state == BTA_HH_CONN_ST )
142 /* disconnect all connected devices */
143 bta_hh_sm_execute(&bta_hh_cb.kdev[xx],
144 BTA_HH_API_CLOSE_EVT,
153 /*******************************************************************************
155 ** Function bta_hh_disc_cmpl
157 ** Description All connections have been closed, disable service.
162 *******************************************************************************/
163 void bta_hh_disc_cmpl(void)
165 tBTA_HH_STATUS status = BTA_HH_OK;
167 /* Deregister with lower layer */
168 if (HID_HostDeregister() != HID_SUCCESS)
171 #if (BTA_HH_LE_INCLUDED == TRUE)
172 bta_hh_le_deregister();
175 bta_hh_cleanup_disable(status);
179 /*******************************************************************************
181 ** Function bta_hh_sdp_cback
183 ** Description SDP callback function.
187 *******************************************************************************/
188 static void bta_hh_sdp_cback(UINT16 result, UINT16 attr_mask,
189 tHID_DEV_SDP_INFO *sdp_rec )
191 tBTA_HH_DEV_CB *p_cb = bta_hh_cb.p_cur;
193 tBTA_HH_STATUS status = BTA_HH_ERR_SDP;
195 /* make sure sdp succeeded and hh has not been disabled */
196 if ((result == SDP_SUCCESS) && (p_cb != NULL))
198 /* security is required for the connection, add attr_mask bit*/
200 attr_mask |= HID_SEC_REQUIRED;
203 APPL_TRACE_EVENT("bta_hh_sdp_cback: p_cb: %d result 0x%02x, \
204 attr_mask 0x%02x, handle %x", \
205 p_cb, result, attr_mask,p_cb->hid_handle);
208 /* check to see type of device is supported , and should not been added before */
209 if (bta_hh_tod_spt(p_cb, sdp_rec->sub_class))
211 /* if not added before */
212 if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE)
214 /* add device/update attr_mask information */
215 if(HID_HostAddDev (p_cb->addr, attr_mask, &hdl) == HID_SUCCESS)
218 /* update cb_index[] map */
219 bta_hh_cb.cb_index[hdl] = p_cb->index;
228 hdl = p_cb->hid_handle;
230 /* else : incoming connection after SDP should update the SDP information as well */
232 if (p_cb->app_id != 0)
234 /* update cb information with attr_mask, dscp_info etc. */
235 bta_hh_add_device_to_list(p_cb, hdl, attr_mask,
238 sdp_rec->ssr_max_latency,
239 sdp_rec->ssr_min_tout,
242 p_cb->dscp_info.ctry_code = sdp_rec->ctry_code;
248 else /* type of device is not supported */
249 status = BTA_HH_ERR_TOD_UNSPT;
252 /* free disc_db when SDP is completed */
253 osi_free_and_reset((void **)&bta_hh_cb.p_disc_db);
255 /* send SDP_CMPL_EVT into state machine */
256 bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
260 /*******************************************************************************
262 ** Function bta_hh_di_sdp_cback
264 ** Description SDP DI callback function.
268 *******************************************************************************/
269 static void bta_hh_di_sdp_cback(UINT16 result)
271 tBTA_HH_DEV_CB *p_cb = bta_hh_cb.p_cur;
272 tBTA_HH_STATUS status = BTA_HH_ERR_SDP;
273 tSDP_DI_GET_RECORD di_rec;
276 APPL_TRACE_EVENT("bta_hh_di_sdp_cback: p_cb: %d result 0x%02x", p_cb, result);
279 /* if DI record does not exist on remote device, vendor_id in tBTA_HH_DEV_DSCP_INFO will be
280 * set to 0xffff and we will allow the connection to go through. Spec mandates that DI
281 * record be set, but many HID devices do not set this. So for IOP purposes, we allow the
282 * connection to go through and update the DI record to invalid DI entry.*/
283 if (((result == SDP_SUCCESS) || (result == SDP_NO_RECS_MATCH)) && (p_cb != NULL))
285 if(result == SDP_SUCCESS && SDP_GetNumDiRecords(bta_hh_cb.p_disc_db) != 0)
287 /* always update information with primary DI record */
288 if (SDP_GetDiRecord(1, &di_rec, bta_hh_cb.p_disc_db) == SDP_SUCCESS)
290 bta_hh_update_di_info(p_cb, di_rec.rec.vendor, di_rec.rec.product, di_rec.rec.version, 0);
294 else /* no DI recrod available */
296 bta_hh_update_di_info(p_cb, BTA_HH_VENDOR_ID_INVALID, 0, 0, 0);
299 if ((ret = HID_HostGetSDPRecord(p_cb->addr,
301 p_bta_hh_cfg->sdp_db_size,
302 bta_hh_sdp_cback)) == HID_SUCCESS)
309 APPL_TRACE_DEBUG ("bta_hh_di_sdp_cback: HID_HostGetSDPRecord failed: Status 0x%2x",
316 if (status != BTA_HH_OK) {
317 osi_free_and_reset((void **)&bta_hh_cb.p_disc_db);
318 /* send SDP_CMPL_EVT into state machine */
319 bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
326 /*******************************************************************************
328 ** Function bta_hh_start_sdp
330 ** Description Start SDP service search, and obtain necessary SDP records.
331 ** Only one SDP service search request is allowed at the same
332 ** time. For every BTA_HhOpen API call, do SDP first unless SDP
333 ** has been done previously.
337 *******************************************************************************/
338 void bta_hh_start_sdp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
340 tBTA_HH_STATUS status = BTA_HH_ERR_SDP;
343 p_cb->sec_mask = p_data->api_conn.sec_mask;
344 p_cb->mode = p_data->api_conn.mode;
345 bta_hh_cb.p_cur = p_cb;
347 #if (BTA_HH_LE_INCLUDED == TRUE)
348 if (bta_hh_is_le_device(p_cb, p_data->api_conn.bd_addr))
350 bta_hh_le_open_conn(p_cb, p_data->api_conn.bd_addr);
355 /* if previously virtually cabled device, skip SDP */
360 APPL_TRACE_DEBUG("bta_hh_start_sdp:: skip SDP for known devices");
362 if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE)
364 if (HID_HostAddDev (p_cb->addr, p_cb->attr_mask, &hdl) \
367 /* update device CB with newly register device handle */
368 bta_hh_add_device_to_list(p_cb, hdl, p_cb->attr_mask, NULL,
370 p_cb->dscp_info.ssr_max_latency,
371 p_cb->dscp_info.ssr_min_tout,
373 /* update cb_index[] map */
374 bta_hh_cb.cb_index[hdl] = p_cb->index;
377 status = BTA_HH_ERR_NO_RES;
379 bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
383 /* GetSDPRecord. at one time only one SDP precedure can be active */
384 else if (!bta_hh_cb.p_disc_db)
386 bta_hh_cb.p_disc_db = (tSDP_DISCOVERY_DB *)osi_malloc(p_bta_hh_cfg->sdp_db_size);
387 bta_hh_cb.p_cur = p_cb;
388 /* do DI discovery first */
389 if (SDP_DiDiscover(p_data->api_conn.bd_addr,
391 p_bta_hh_cfg->sdp_db_size,
392 bta_hh_di_sdp_cback) != SDP_SUCCESS) {
394 APPL_TRACE_DEBUG("bta_hh_start_sdp: SDP_DiDiscover failed: \
395 Status 0x%2X",status);
397 status = BTA_HH_ERR_SDP;
398 osi_free_and_reset((void **)&bta_hh_cb.p_disc_db);
404 if (status != BTA_HH_OK)
405 bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
410 /*******************************************************************************
412 ** Function bta_hh_sdp_cmpl
414 ** Description When SDP completed, initiate a connection or report error depend
420 *******************************************************************************/
421 void bta_hh_sdp_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
423 tBTA_HH_CONN conn_dat;
424 tBTA_HH_STATUS status = p_data->status;
427 APPL_TRACE_DEBUG ("bta_hh_sdp_cmpl: status 0x%2X",p_data->status);
430 /* initialize call back data */
431 memset((void *)&conn_dat, 0, sizeof(tBTA_HH_CONN));
432 conn_dat.handle = p_cb->hid_handle;
433 bdcpy(conn_dat.bda, p_cb->addr);
435 /* if SDP compl success */
436 if ( status == BTA_HH_OK)
438 /* not incoming connection doing SDP, initiate a HID connection */
439 if (!p_cb->incoming_conn)
442 /* set security level */
443 HID_HostSetSecurityLevel("", p_cb->sec_mask);
445 /* open HID connection */
446 ret = HID_HostOpenDev (p_cb->hid_handle);
447 APPL_TRACE_DEBUG ("%s: HID_HostOpenDev returned=%d", __func__, ret);
448 if (ret == HID_SUCCESS || ret == HID_ERR_ALREADY_CONN)
452 else if (ret == HID_ERR_CONN_IN_PROCESS)
454 /* Connection already in progress, return from here, SDP
455 * will be performed after connection is completed.
457 APPL_TRACE_DEBUG ("%s: connection already in progress", __func__);
463 APPL_TRACE_DEBUG ("%s: HID_HostOpenDev failed: Status 0x%2X", __func__, ret);
465 /* open fail, remove device from management device list */
466 HID_HostRemoveDev( p_cb->hid_handle);
470 else /* incoming connection SDP finish */
472 bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, NULL);
476 if (status != BTA_HH_OK)
478 /* Check if this was incoming connection request from an unknown device
479 **and connection failed due to missing HID Device SDP UUID
480 **In above condition, disconnect the link as well as remove the
481 **device from list of HID devices*/
482 if ((status == BTA_HH_ERR_SDP) &&
483 (p_cb->incoming_conn) &&(p_cb->app_id == 0))
485 APPL_TRACE_DEBUG ("bta_hh_sdp_cmpl:SDP failed for incoming conn :hndl %d",
486 p_cb->incoming_hid_handle);
487 HID_HostRemoveDev( p_cb->incoming_hid_handle);
489 conn_dat.status = status;
490 (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat);
492 /* move state machine W4_CONN ->IDLE */
493 bta_hh_sm_execute(p_cb, BTA_HH_API_CLOSE_EVT, NULL);
495 /* if this is an outgoing connection to an unknown device, clean up cb */
496 if (p_cb->app_id == 0 && !p_cb->incoming_conn)
498 /* clean up device control block */
499 bta_hh_clean_up_kdev(p_cb);
502 bta_hh_trace_dev_db();
508 /*******************************************************************************
510 ** Function bta_hh_api_disc_act
512 ** Description HID Host initiate a disconnection.
517 *******************************************************************************/
518 void bta_hh_api_disc_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
520 tBTA_HH_CBDATA disc_dat;
523 #if BTA_HH_LE_INCLUDED == TRUE
524 if (p_cb->is_le_device)
525 bta_hh_le_api_disc_act(p_cb);
529 /* found an active connection */
530 disc_dat.handle = p_data ?(UINT8)p_data->hdr.layer_specific :p_cb->hid_handle;
531 disc_dat.status = BTA_HH_ERR;
533 status = HID_HostCloseDev(disc_dat.handle);
536 (* bta_hh_cb.p_cback)(BTA_HH_CLOSE_EVT, (tBTA_HH *)&disc_dat);
542 /*******************************************************************************
544 ** Function bta_hh_open_cmpl_act
546 ** Description HID host connection completed
551 *******************************************************************************/
552 void bta_hh_open_cmpl_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
555 UINT8 dev_handle = p_data ? (UINT8)p_data->hid_cback.hdr.layer_specific : \
558 memset((void *)&conn, 0, sizeof (tBTA_HH_CONN));
559 conn.handle = dev_handle;
560 bdcpy(conn.bda, p_cb->addr);
562 /* increase connection number */
563 bta_hh_cb.cnt_num ++;
565 /* initialize device driver */
566 bta_hh_co_open(p_cb->hid_handle, p_cb->sub_class,
567 p_cb->attr_mask, p_cb->app_id);
569 #if (BTA_HH_LE_INCLUDED == TRUE)
570 conn.status = p_cb->status;
571 conn.le_hid = p_cb->is_le_device;
572 conn.scps_supported = p_cb->scps_supported;
574 if (!p_cb->is_le_device)
577 /* inform role manager */
578 bta_sys_conn_open( BTA_ID_HH ,p_cb->app_id, p_cb->addr);
580 /* set protocol mode when not default report mode */
581 if ( p_cb->mode != BTA_HH_PROTO_RPT_MODE
582 #if (BTA_HH_LE_INCLUDED == TRUE)
583 && !p_cb->is_le_device
587 if ((HID_HostWriteDev(dev_handle,
588 HID_TRANS_SET_PROTOCOL, HID_PAR_PROTOCOL_BOOT_MODE,
590 0, NULL)) != HID_SUCCESS)
592 /* HID connection is up, while SET_PROTO fail */
593 conn.status = BTA_HH_ERR_PROTO;
594 (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn);
598 conn.status = BTA_HH_OK;
599 p_cb->w4_evt = BTA_HH_OPEN_EVT;
603 (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn);
605 p_cb->incoming_conn = FALSE;
606 p_cb->incoming_hid_handle = BTA_HH_INVALID_HANDLE;
609 /*******************************************************************************
611 ** Function bta_hh_open_act
613 ** Description HID host receive HID_OPEN_EVT .
618 *******************************************************************************/
619 void bta_hh_open_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
621 tBTA_HH_API_CONN conn_data;
623 UINT8 dev_handle = p_data ? (UINT8)p_data->hid_cback.hdr.layer_specific : \
627 APPL_TRACE_EVENT ("bta_hh_open_act: Device[%d] connected", dev_handle);
630 /* SDP has been done */
631 if (p_cb->app_id != 0)
633 bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, p_data);
636 /* app_id == 0 indicates an incoming conenction request arrives without SDP
637 performed, do it first */
639 p_cb->incoming_conn = TRUE;
640 /* store the handle here in case sdp fails - need to disconnect */
641 p_cb->incoming_hid_handle = dev_handle;
643 memset(&conn_data, 0, sizeof(tBTA_HH_API_CONN));
644 bdcpy(conn_data.bd_addr, p_cb->addr);
645 bta_hh_start_sdp(p_cb, (tBTA_HH_DATA *)&conn_data);
652 /*******************************************************************************
654 ** Function bta_hh_data_act
656 ** Description HID Host process a data report
661 *******************************************************************************/
662 void bta_hh_data_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data)
664 BT_HDR *pdata = p_data->hid_cback.p_data;
665 UINT8 *p_rpt = (UINT8 *)(pdata + 1) + pdata->offset;
667 bta_hh_co_data((UINT8)p_data->hid_cback.hdr.layer_specific, p_rpt, pdata->len,
668 p_cb->mode, p_cb->sub_class, p_cb->dscp_info.ctry_code, p_cb->addr, p_cb->app_id);
670 osi_free_and_reset((void **)&pdata);
674 /*******************************************************************************
676 ** Function bta_hh_handsk_act
678 ** Description HID Host process a handshake acknoledgement.
683 *******************************************************************************/
684 void bta_hh_handsk_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data)
686 tBTA_HH_CBDATA cback_data ;
687 tBTA_HH_HSDATA hs_data;
691 APPL_TRACE_DEBUG("HANDSHAKE received for: event = %s data= %d",
692 bta_hh_get_w4_event(p_cb->w4_evt), p_data->hid_cback.data);
695 memset(&hs_data, 0, sizeof(tBTA_HH_HSDATA));
696 memset(&cback_data, 0, sizeof(tBTA_HH_CBDATA));
698 switch (p_cb->w4_evt)
700 /* GET_ transsaction, handshake indicate unsupported request */
701 case BTA_HH_GET_PROTO_EVT:
702 hs_data.rsp_data.proto_mode = BTA_HH_PROTO_UNKNOWN;
704 case BTA_HH_GET_RPT_EVT:
705 case BTA_HH_GET_IDLE_EVT :
706 hs_data.handle = p_cb->hid_handle;
707 /* if handshake gives an OK code for these transaction, fill in UNSUPT */
708 if ((hs_data.status = bta_hh_get_trans_status(p_data->hid_cback.data)) == BTA_HH_OK)
709 hs_data.status = BTA_HH_HS_TRANS_NOT_SPT;
711 (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&hs_data);
715 /* acknoledgement from HID device for SET_ transaction */
716 case BTA_HH_SET_RPT_EVT:
717 case BTA_HH_SET_PROTO_EVT:
718 case BTA_HH_SET_IDLE_EVT :
719 cback_data.handle = p_cb->hid_handle;
720 cback_data.status = bta_hh_get_trans_status(p_data->hid_cback.data);
721 (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&cback_data);
725 /* SET_PROTOCOL when open connection */
726 case BTA_HH_OPEN_EVT:
727 conn.status =p_data->hid_cback.data ? BTA_HH_ERR_PROTO: BTA_HH_OK;
728 conn.handle = p_cb->hid_handle;
729 bdcpy(conn.bda, p_cb->addr);
730 (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&conn);
732 bta_hh_trace_dev_db();
738 /* unknow transaction handshake response */
739 APPL_TRACE_DEBUG("unknown transaction type");
743 /* transaction achknoledgement received, inform PM for mode change */
744 bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr);
747 /*******************************************************************************
749 ** Function bta_hh_ctrl_dat_act
751 ** Description HID Host process a data report from control channel.
756 *******************************************************************************/
757 void bta_hh_ctrl_dat_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data)
759 BT_HDR *pdata = p_data->hid_cback.p_data;
760 UINT8 *data = (UINT8 *)(pdata + 1) + pdata->offset;
761 tBTA_HH_HSDATA hs_data;
764 APPL_TRACE_DEBUG("Ctrl DATA received w4: event[%s]",
765 bta_hh_get_w4_event(p_cb->w4_evt));
767 hs_data.status = BTA_HH_OK;
768 hs_data.handle = p_cb->hid_handle;
770 switch (p_cb->w4_evt)
772 case BTA_HH_GET_IDLE_EVT:
773 hs_data.rsp_data.idle_rate = *data;
775 case BTA_HH_GET_RPT_EVT:
776 hs_data.rsp_data.p_rpt_data = pdata;
778 case BTA_HH_GET_PROTO_EVT:
779 /* match up BTE/BTA report/boot mode def*/
780 hs_data.rsp_data.proto_mode = ((*data) == HID_PAR_PROTOCOL_REPORT)? \
781 BTA_HH_PROTO_RPT_MODE : BTA_HH_PROTO_BOOT_MODE;
783 APPL_TRACE_DEBUG("GET_PROTOCOL Mode = [%s]",
784 (hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE)? "Report" : "Boot");
787 /* should not expect control DATA for SET_ transaction */
788 case BTA_HH_SET_PROTO_EVT:
790 case BTA_HH_SET_RPT_EVT:
792 case BTA_HH_SET_IDLE_EVT :
796 APPL_TRACE_DEBUG("invalid transaction type for DATA payload: 4_evt[%s]",
797 bta_hh_get_w4_event(p_cb->w4_evt));
802 /* inform PM for mode change */
803 bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr);
804 bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr);
806 (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&hs_data);
809 osi_free_and_reset((void **)&pdata);
813 /*******************************************************************************
815 ** Function bta_hh_open_failure
817 ** Description report HID open failure when at wait for connection state and receive
818 ** device close event.
823 *******************************************************************************/
824 void bta_hh_open_failure(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
826 tBTA_HH_CONN conn_dat ;
827 UINT32 reason = p_data->hid_cback.data; /* Reason for closing (32-bit) */
829 memset(&conn_dat, 0, sizeof(tBTA_HH_CONN));
830 conn_dat.handle = p_cb->hid_handle;
831 conn_dat.status = (reason == HID_ERR_AUTH_FAILED) ?
832 BTA_HH_ERR_AUTH_FAILED : BTA_HH_ERR;
833 bdcpy(conn_dat.bda, p_cb->addr);
834 HID_HostCloseDev(p_cb->hid_handle);
836 /* Report OPEN fail event */
837 (*bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat);
840 bta_hh_trace_dev_db();
842 /* clean up control block, but retain SDP info and device handle */
846 /* if no connection is active and HH disable is signaled, disable service */
847 if (bta_hh_cb.cnt_num == 0 && bta_hh_cb.w4_disable)
852 /* Error in opening hid connection, reset flags */
853 p_cb->incoming_conn = FALSE;
854 p_cb->incoming_hid_handle = BTA_HH_INVALID_HANDLE;
857 /*******************************************************************************
859 ** Function bta_hh_close_act
861 ** Description HID Host process a close event
866 *******************************************************************************/
867 void bta_hh_close_act (tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
869 tBTA_HH_CONN conn_dat ;
870 tBTA_HH_CBDATA disc_dat = {BTA_HH_OK, 0};
871 UINT32 reason = p_data->hid_cback.data; /* Reason for closing (32-bit) */
873 /* if HID_HDEV_EVT_VC_UNPLUG was received, report BTA_HH_VC_UNPLUG_EVT */
874 UINT16 event = p_cb->vp ? BTA_HH_VC_UNPLUG_EVT : BTA_HH_CLOSE_EVT;
876 disc_dat.handle = p_cb->hid_handle;
877 disc_dat.status = p_data->hid_cback.data;
879 /* Check reason for closing */
880 if ((reason & (HID_L2CAP_CONN_FAIL|HID_L2CAP_REQ_FAIL)) || /* Failure to initialize connection (page timeout or l2cap error) */
881 (reason == HID_ERR_AUTH_FAILED) || /* Authenication error (while initiating) */
882 (reason == HID_ERR_L2CAP_FAILED)) /* Failure creating l2cap connection */
884 /* Failure in opening connection */
885 conn_dat.handle = p_cb->hid_handle;
886 conn_dat.status = (reason == HID_ERR_AUTH_FAILED) ? BTA_HH_ERR_AUTH_FAILED : BTA_HH_ERR;
887 bdcpy(conn_dat.bda, p_cb->addr);
888 HID_HostCloseDev(p_cb->hid_handle);
890 /* Report OPEN fail event */
891 (*bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat);
894 bta_hh_trace_dev_db();
898 /* otherwise report CLOSE/VC_UNPLUG event */
901 /* finaliza device driver */
902 bta_hh_co_close(p_cb->hid_handle, p_cb->app_id);
903 /* inform role manager */
904 bta_sys_conn_close( BTA_ID_HH ,p_cb->app_id, p_cb->addr);
905 /* update total conn number */
906 bta_hh_cb.cnt_num --;
909 disc_dat.status = BTA_HH_ERR;
911 (*bta_hh_cb.p_cback)(event, (tBTA_HH *)&disc_dat);
913 /* if virtually unplug, remove device */
916 HID_HostRemoveDev( p_cb->hid_handle);
917 bta_hh_clean_up_kdev(p_cb);
921 bta_hh_trace_dev_db();
925 /* clean up control block, but retain SDP info and device handle */
929 /* if no connection is active and HH disable is signaled, disable service */
930 if (bta_hh_cb.cnt_num == 0 && bta_hh_cb.w4_disable)
938 /*******************************************************************************
940 ** Function bta_hh_get_dscp_act
942 ** Description Get device report descriptor
947 *******************************************************************************/
948 void bta_hh_get_dscp_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
952 #if (BTA_HH_LE_INCLUDED == TRUE)
953 if (p_cb->is_le_device)
955 bta_hh_le_get_dscp_act(p_cb);
959 (*bta_hh_cb.p_cback)(BTA_HH_GET_DSCP_EVT, (tBTA_HH *)&p_cb->dscp_info);
962 /*******************************************************************************
964 ** Function bta_hh_maint_dev_act
966 ** Description HID Host maintain device list.
971 *******************************************************************************/
972 void bta_hh_maint_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
974 tBTA_HH_MAINT_DEV *p_dev_info = &p_data->api_maintdev;
975 tBTA_HH_DEV_INFO dev_info ;
978 dev_info.status = BTA_HH_ERR;
979 dev_info.handle = BTA_HH_INVALID_HANDLE;
981 switch (p_dev_info->sub_event)
983 case BTA_HH_ADD_DEV_EVT: /* add a device */
984 bdcpy(dev_info.bda, p_dev_info->bda);
985 /* initialize callback data */
986 if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE)
988 #if (BTA_HH_LE_INCLUDED == TRUE)
989 if (bta_hh_is_le_device(p_cb, p_data->api_conn.bd_addr))
991 dev_info.handle = bta_hh_le_add_device(p_cb, p_dev_info);
992 dev_info.status = BTA_HH_OK;
997 if (HID_HostAddDev(p_dev_info->bda, p_dev_info->attr_mask, &dev_handle)\
1000 dev_info.handle = dev_handle;
1001 dev_info.status = BTA_HH_OK;
1003 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE)
1004 /* update DI information */
1005 bta_hh_update_di_info(p_cb,
1006 p_dev_info->dscp_info.vendor_id,
1007 p_dev_info->dscp_info.product_id,
1008 p_dev_info->dscp_info.version,
1009 p_dev_info->dscp_info.flag);
1011 bta_hh_update_di_info(p_cb,
1012 p_dev_info->dscp_info.vendor_id,
1013 p_dev_info->dscp_info.product_id,
1014 p_dev_info->dscp_info.version,
1018 /* add to BTA device list */
1019 bta_hh_add_device_to_list(p_cb, dev_handle,
1020 p_dev_info->attr_mask,
1021 &p_dev_info->dscp_info.descriptor,
1022 p_dev_info->sub_class,
1023 p_dev_info->dscp_info.ssr_max_latency,
1024 p_dev_info->dscp_info.ssr_min_tout,
1025 p_dev_info->app_id);
1026 /* update cb_index[] map */
1027 bta_hh_cb.cb_index[dev_handle] = p_cb->index;
1030 else /* device already been added */
1032 dev_info.handle = p_cb->hid_handle;
1033 dev_info.status = BTA_HH_OK;
1036 bta_hh_trace_dev_db();
1040 case BTA_HH_RMV_DEV_EVT: /* remove device */
1041 dev_info.handle = (UINT8)p_dev_info->hdr.layer_specific;
1042 bdcpy(dev_info.bda, p_cb->addr);
1044 #if BTA_HH_LE_INCLUDED == TRUE
1045 if (p_cb->is_le_device)
1047 bta_hh_le_remove_dev_bg_conn(p_cb);
1048 bta_hh_sm_execute(p_cb, BTA_HH_API_CLOSE_EVT, NULL);
1049 bta_hh_clean_up_kdev(p_cb);
1054 if(HID_HostRemoveDev( dev_info.handle ) == HID_SUCCESS)
1056 dev_info.status = BTA_HH_OK;
1058 /* remove from known device list in BTA */
1059 bta_hh_clean_up_kdev(p_cb);
1065 APPL_TRACE_DEBUG("invalid command");
1069 (* bta_hh_cb.p_cback)(p_dev_info->sub_event, (tBTA_HH *)&dev_info);
1071 /*******************************************************************************
1073 ** Function bta_hh_write_dev_act
1075 ** Description Write device action. can be SET/GET/DATA transaction.
1079 *******************************************************************************/
1080 void bta_hh_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
1082 tBTA_HH_CBDATA cbdata = {BTA_HH_OK, 0};
1083 UINT16 event = (p_data->api_sndcmd.t_type - BTA_HH_FST_BTE_TRANS_EVT) +
1084 BTA_HH_FST_TRANS_CB_EVT;
1086 #if BTA_HH_LE_INCLUDED == TRUE
1087 if (p_cb->is_le_device)
1088 bta_hh_le_write_dev_act(p_cb, p_data);
1093 cbdata.handle = p_cb->hid_handle;
1095 /* match up BTE/BTA report/boot mode def */
1096 if (p_data->api_sndcmd.t_type == HID_TRANS_SET_PROTOCOL)
1098 p_data->api_sndcmd.param = ( p_data->api_sndcmd.param == BTA_HH_PROTO_RPT_MODE) ?\
1099 HID_PAR_PROTOCOL_REPORT :HID_PAR_PROTOCOL_BOOT_MODE;
1102 if (HID_HostWriteDev (p_cb->hid_handle,
1103 p_data->api_sndcmd.t_type,
1104 p_data->api_sndcmd.param,
1105 p_data->api_sndcmd.data,
1106 p_data->api_sndcmd.rpt_id,
1107 p_data->api_sndcmd.p_data) != HID_SUCCESS)
1109 APPL_TRACE_ERROR("HID_HostWriteDev Error ");
1110 cbdata.status = BTA_HH_ERR;
1112 if (p_data->api_sndcmd.t_type != HID_TRANS_CONTROL &&
1113 p_data->api_sndcmd.t_type != HID_TRANS_DATA)
1114 (* bta_hh_cb.p_cback)(event, (tBTA_HH *)&cbdata);
1115 else if (p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG)
1116 (* bta_hh_cb.p_cback)(BTA_HH_VC_UNPLUG_EVT, (tBTA_HH *)&cbdata);
1121 switch(p_data->api_sndcmd.t_type)
1123 case HID_TRANS_SET_PROTOCOL:
1125 case HID_TRANS_GET_REPORT:
1127 case HID_TRANS_SET_REPORT:
1129 case HID_TRANS_GET_PROTOCOL:
1131 case HID_TRANS_GET_IDLE:
1133 case HID_TRANS_SET_IDLE:/* set w4_handsk event name for callback function use */
1134 p_cb->w4_evt = event;
1136 case HID_TRANS_DATA: /* output report */
1138 case HID_TRANS_CONTROL:
1139 /* no handshake event will be generated */
1140 /* if VC_UNPLUG is issued, set flag */
1141 if (p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG)
1145 /* currently not expected */
1146 case HID_TRANS_DATAC:
1148 APPL_TRACE_DEBUG("bta_hh_write_dev_act:: cmd type = %d",
1149 p_data->api_sndcmd.t_type);
1153 /* if not control type transaction, notify PM for energy control */
1154 if (p_data->api_sndcmd.t_type != HID_TRANS_CONTROL)
1156 /* inform PM for mode change */
1157 bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1158 bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1160 else if (p_data->api_sndcmd.param == BTA_HH_CTRL_SUSPEND)
1162 bta_sys_sco_close(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1164 else if (p_data->api_sndcmd.param == BTA_HH_CTRL_EXIT_SUSPEND)
1166 bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1174 /*****************************************************************************
1176 *****************************************************************************/
1177 /*******************************************************************************
1179 ** Function bta_hh_cback
1181 ** Description BTA HH callback function.
1186 *******************************************************************************/
1187 static void bta_hh_cback (UINT8 dev_handle, BD_ADDR addr, UINT8 event,
1188 UINT32 data, BT_HDR *pdata)
1190 UINT16 sm_event = BTA_HH_INVALID_EVT;
1194 APPL_TRACE_DEBUG("bta_hh_cback::HID_event [%s]", bta_hh_hid_event_name(event));
1199 case HID_HDEV_EVT_OPEN:
1200 sm_event = BTA_HH_INT_OPEN_EVT;
1202 case HID_HDEV_EVT_CLOSE:
1203 sm_event = BTA_HH_INT_CLOSE_EVT;
1205 case HID_HDEV_EVT_INTR_DATA:
1206 sm_event = BTA_HH_INT_DATA_EVT;
1208 case HID_HDEV_EVT_HANDSHAKE:
1209 sm_event = BTA_HH_INT_HANDSK_EVT;
1211 case HID_HDEV_EVT_CTRL_DATA:
1212 sm_event = BTA_HH_INT_CTRL_DATA;
1214 case HID_HDEV_EVT_RETRYING:
1216 case HID_HDEV_EVT_INTR_DATC:
1217 case HID_HDEV_EVT_CTRL_DATC:
1218 /* Unhandled events: Free buffer for DATAC */
1219 osi_free_and_reset((void **)&pdata);
1221 case HID_HDEV_EVT_VC_UNPLUG:
1222 for (xx = 0; xx < BTA_HH_MAX_DEVICE; xx++)
1224 if (bta_hh_cb.kdev[xx].hid_handle == dev_handle)
1226 bta_hh_cb.kdev[xx].vp = TRUE;
1233 if (sm_event != BTA_HH_INVALID_EVT) {
1234 tBTA_HH_CBACK_DATA *p_buf =
1235 (tBTA_HH_CBACK_DATA *)osi_malloc(sizeof(tBTA_HH_CBACK_DATA) +
1237 p_buf->hdr.event = sm_event;
1238 p_buf->hdr.layer_specific = (UINT16)dev_handle;
1240 bdcpy(p_buf->addr, addr);
1241 p_buf->p_data = pdata;
1243 bta_sys_sendmsg(p_buf);
1247 /*******************************************************************************
1249 ** Function bta_hh_get_trans_status
1251 ** Description translate a handshake result code into BTA HH
1254 *******************************************************************************/
1255 static tBTA_HH_STATUS bta_hh_get_trans_status(UINT32 result)
1259 case HID_PAR_HANDSHAKE_RSP_SUCCESS : /* (0) */
1261 case HID_PAR_HANDSHAKE_RSP_NOT_READY : /* (1) */
1262 case HID_PAR_HANDSHAKE_RSP_ERR_INVALID_REP_ID: /* (2) */
1263 case HID_PAR_HANDSHAKE_RSP_ERR_UNSUPPORTED_REQ : /* (3) */
1264 case HID_PAR_HANDSHAKE_RSP_ERR_INVALID_PARAM : /* (4) */
1265 return (tBTA_HH_STATUS)result;
1266 case HID_PAR_HANDSHAKE_RSP_ERR_UNKNOWN : /* (14) */
1267 case HID_PAR_HANDSHAKE_RSP_ERR_FATAL : /* (15) */
1269 return BTA_HH_HS_ERROR;
1273 /*****************************************************************************
1275 *****************************************************************************/
1277 #if (defined BTA_HH_DEBUG && BTA_HH_DEBUG == TRUE)
1278 static char* bta_hh_get_w4_event(UINT16 event)
1282 case BTA_HH_GET_RPT_EVT:
1283 return "BTA_HH_GET_RPT_EVT";
1284 case BTA_HH_SET_RPT_EVT:
1285 return "BTA_HH_SET_RPT_EVT";
1286 case BTA_HH_GET_PROTO_EVT:
1287 return "BTA_HH_GET_PROTO_EVT";
1288 case BTA_HH_SET_PROTO_EVT:
1289 return "BTA_HH_SET_PROTO_EVT";
1290 case BTA_HH_GET_IDLE_EVT:
1291 return "BTA_HH_GET_IDLE_EVT";
1292 case BTA_HH_SET_IDLE_EVT:
1293 return "BTA_HH_SET_IDLE_EVT";
1294 case BTA_HH_OPEN_EVT:
1295 return "BTA_HH_OPEN_EVT";
1297 return "Unknown event";
1302 static char * bta_hh_hid_event_name(UINT16 event)
1306 case HID_HDEV_EVT_OPEN:
1307 return "HID_HDEV_EVT_OPEN";
1308 case HID_HDEV_EVT_CLOSE:
1309 return "HID_HDEV_EVT_CLOSE";
1310 case HID_HDEV_EVT_RETRYING:
1311 return "HID_HDEV_EVT_RETRYING";
1312 case HID_HDEV_EVT_INTR_DATA:
1313 return "HID_HDEV_EVT_INTR_DATA";
1314 case HID_HDEV_EVT_INTR_DATC:
1315 return "HID_HDEV_EVT_INTR_DATC";
1316 case HID_HDEV_EVT_CTRL_DATA:
1317 return "HID_HDEV_EVT_CTRL_DATA";
1318 case HID_HDEV_EVT_CTRL_DATC:
1319 return "HID_HDEV_EVT_CTRL_DATC";
1320 case HID_HDEV_EVT_HANDSHAKE:
1321 return "HID_HDEV_EVT_HANDSHAKE";
1322 case HID_HDEV_EVT_VC_UNPLUG:
1323 return "HID_HDEV_EVT_VC_UNPLUG";
1325 return "Unknown HID event";
1329 #endif /* BTA_HH_INCLUDED */