217 lines
8.7 KiB
C++
217 lines
8.7 KiB
C++
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/* Copyright Statement:
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* *
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* * This software/firmware and related documentation ("MediaTek Software") are
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* * protected under relevant copyright laws. The information contained herein
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* * is confidential and proprietary to MediaTek Inc. and/or its licensors.
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* * Without the prior written permission of MediaTek inc. and/or its licensors,
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* * any reproduction, modification, use or disclosure of MediaTek Software,
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* * and information contained herein, in whole or in part, shall be strictly prohibited.
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* *
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* * MediaTek Inc. (C) 2016. All rights reserved.
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* *
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* * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
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* * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
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* * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
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* * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
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* * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
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* * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
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* * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
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* * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
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* * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
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* * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
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* * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
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* * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
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* * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
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* * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
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* * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
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* * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
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* * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
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* * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
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* *
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* * The following software/firmware and/or related documentation ("MediaTek Software")
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* * have been modified by MediaTek Inc. All revisions are subject to any receiver's
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* * applicable license agreements with MediaTek Inc.
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* */
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#include "bta_dm_api.h"
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#include "bta/ag/bta_ag_int.h"
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#include "stack/btm/btm_int_types.h"
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#include "stack/btm/btm_sco.h"
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#include "stack/include/btm_api.h"
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#include "mediatek/stack/include/mtk_btm_int.h"
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#include "stack/include/acl_api.h"
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extern tBTM_CB btm_cb;
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/******************************************************************************/
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/* L O C A L D A T A D E F I N I T I O N S */
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/******************************************************************************/
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/*******************************************************************************
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*
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* Function btm_is_sco_active_or_establishing_by_bdaddr
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*
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* Description This function is called to see if a SCO connection is active
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* or establisting for a bd address.
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*
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* Returns bool
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*
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******************************************************************************/
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bool btm_is_sco_active_or_establishing_by_bdaddr(const RawAddress& remote_bda) {
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#if (BTM_MAX_SCO_LINKS > 0)
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uint8_t xx;
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tSCO_CONN* p = &btm_cb.sco_cb.sco_db[0];
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/* If any SCO is being established or establishing to the remote BD address, refuse this */
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for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) {
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if (p->esco.data.bd_addr == remote_bda &&
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(p->state != SCO_ST_UNUSED && p->state != SCO_ST_LISTENING)) {
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return (true);
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}
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}
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#endif
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return (false);
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}
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/*******************************************************************************
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*
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* Function btm_sco_preemption_conn_req
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*
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* Description Send preemption connection request to hfp stack
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*
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*
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* Returns void
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*
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******************************************************************************/
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void btm_sco_preemption_conn_req(const RawAddress& bda, const DEV_CLASS& dev_class, uint8_t
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link_type,uint16_t sco_index,tBTM_ESCO_CBACK* p_esco_cback)
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{
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tBTM_ESCO_CONN_REQ_EVT_DATA evt_data = {};
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/* Notify upper layer of connect indication */
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evt_data.bd_addr = bda;
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memcpy(evt_data.dev_class, dev_class, DEV_CLASS_LEN);
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evt_data.link_type = link_type;
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evt_data.sco_inx = sco_index;
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tBTM_ESCO_EVT_DATA btm_esco_evt_data = {};
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btm_esco_evt_data.conn_evt = evt_data;
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p_esco_cback(BTM_ESCO_CONN_REQ_EVT, &btm_esco_evt_data);
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}
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/*******************************************************************************
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*
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* Function btm_is_any_sco_active
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*
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* Description This function is called to see if any SCO is already in use.
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*
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*
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* Returns bool
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*
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******************************************************************************/
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bool btm_is_any_sco_active(void) {
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#if (BTM_MAX_SCO_LINKS > 0)
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uint16_t xx;
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tSCO_CONN* p = &btm_cb.sco_cb.sco_db[0];
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for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) {
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if (p->state == SCO_ST_CONNECTED) return (true);
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}
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#endif
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return (false);
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}
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/*******************************************************************************
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*
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* Function btm_find_sco_idx_by_addr
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*
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* Description This function return the sco idx by request bd address.
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*
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*
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* Returns uint16_t
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*
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******************************************************************************/
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uint16_t btm_find_sco_idx_by_addr(const RawAddress& bda) {
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#if (BTM_MAX_SCO_LINKS > 0)
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uint16_t xx;
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tSCO_CONN* p = &btm_cb.sco_cb.sco_db[0];
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for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) {
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if(p->esco.data.bd_addr == bda) return xx;
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}
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#endif
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return BTM_MAX_SCO_LINKS;
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}
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/*******************************************************************************
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*
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* Function BTM_RegForEScoCback
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*
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* Description This function registers a SCO event callback with the
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* specified instance. It should be used to received
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* connection indication events and change of link parameter
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* events.
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*
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* Returns BTM_SUCCESS if the successful.
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* BTM_ILLEGAL_VALUE if there is an illegal sco_inx
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*
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******************************************************************************/
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tBTM_STATUS BTM_RegForEScoCback(uint16_t sco_inx,const RawAddress& bda,bool is_orig,
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tBTM_SCO_CB* p_conn_cb,tBTM_SCO_CB* p_disc_cb) {
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#if (BTM_MAX_SCO_LINKS > 0)
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tSCO_CONN* p = &btm_cb.sco_cb.sco_db[sco_inx];
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BTM_TRACE_DEBUG("%s: sco_inx = %x,pre is_orig %x,is_orig %x,pre p_conn_cb %x,pre p_disc_cb %x,p_conn_cb %x,p_disc_cb %x", __func__,sco_inx,p->is_orig ,is_orig,p->p_conn_cb,p->p_disc_cb,p_conn_cb,p_disc_cb);
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p->hci_handle = BTM_INVALID_SCO_INDEX;
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p->is_orig = is_orig;
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p->p_conn_cb = p_conn_cb;
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p->p_disc_cb = p_disc_cb;
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p->esco.data.bd_addr = bda;
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p->rem_bd_known = true;
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return (BTM_SUCCESS);
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#else
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return (BTM_MODE_UNSUPPORTED);
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#endif
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}
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/*******************************************************************************
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*
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* Function btm_sco_chk_pend_unpark
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*
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* Description This function is called by BTIF when there is a mode change
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* event to see if there are SCO commands waiting for the
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* unpark.
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*
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* Returns void
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*
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******************************************************************************/
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void btm_sco_chk_pend_unpark(uint8_t hci_status, uint16_t hci_handle, tBTM_PM_STATE state) {
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#if (BTM_MAX_SCO_LINKS > 0)
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tSCO_CONN* p = &btm_cb.sco_cb.sco_db[0];
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for (uint16_t xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) {
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uint16_t acl_handle =
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BTM_GetHCIConnHandle(p->esco.data.bd_addr, BT_TRANSPORT_BR_EDR);
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if ((p->state == SCO_ST_PEND_UNPARK) && (acl_handle == hci_handle)) {
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if (state == BTM_PM_ST_ACTIVE) {
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LOG(INFO) << __func__ << ": " << p->esco.data.bd_addr
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<< " unparked, sending connection request, acl_handle="
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<< unsigned(acl_handle)
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<< ", hci_status=" << unsigned(hci_status);
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if (btm_send_connect_request(acl_handle, &p->esco.setup) ==
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BTM_CMD_STARTED) {
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p->state = SCO_ST_CONNECTING;
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} else {
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LOG(ERROR) << __func__ << ": failed to send connection request for "
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<< p->esco.data.bd_addr;
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}
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} else {
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tBTA_AG_SCB* p_scb = bta_ag_scb_by_idx(bta_ag_idx_by_bdaddr(&p->esco.data.bd_addr));
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if( p_scb != nullptr){
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LOG(ERROR) << __func__ << ": We need to switch to active mode before creating SCO for"
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<< p->esco.data.bd_addr;
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bta_sys_busy(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
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}
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}
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}
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}
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#endif // BTM_MAX_SCO_LINKS
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}
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