15738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 25738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 35738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Copyright (C) 2003-2012 Broadcom Corporation 45738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 55738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 65738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * you may not use this file except in compliance with the License. 75738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * You may obtain a copy of the License at: 85738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 95738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * See the License for the specific language governing permissions and 155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * limitations under the License. 165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ******************************************************************************/ 185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 219adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan * Interface to AVRCP mandatory commands 225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ******************************************************************************/ 245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <string.h> 255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "gki.h" 275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "avrc_api.h" 285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "avrc_int.h" 295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "wcassert.h" 305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/***************************************************************************** 325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Global data 335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*****************************************************************************/ 345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#define AVRC_MAX_RCV_CTRL_EVT AVCT_BROWSE_UNCONG_IND_EVT 375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic const UINT8 avrc_ctrl_event_map[] = 395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_OPEN_IND_EVT, /* AVCT_CONNECT_CFM_EVT */ 415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_OPEN_IND_EVT, /* AVCT_CONNECT_IND_EVT */ 425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_CLOSE_IND_EVT, /* AVCT_DISCONNECT_CFM_EVT */ 435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_CLOSE_IND_EVT, /* AVCT_DISCONNECT_IND_EVT */ 445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_CONG_IND_EVT, /* AVCT_CONG_IND_EVT */ 455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_UNCONG_IND_EVT,/* AVCT_UNCONG_IND_EVT */ 465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_BROWSE_OPEN_IND_EVT, /* AVCT_BROWSE_CONN_CFM_EVT */ 475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_BROWSE_OPEN_IND_EVT, /* AVCT_BROWSE_CONN_IND_EVT */ 485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_BROWSE_CLOSE_IND_EVT, /* AVCT_BROWSE_DISCONN_CFM_EVT */ 495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_BROWSE_CLOSE_IND_EVT, /* AVCT_BROWSE_DISCONN_IND_EVT */ 505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_BROWSE_CONG_IND_EVT, /* AVCT_BROWSE_CONG_IND_EVT */ 515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_BROWSE_UNCONG_IND_EVT /* AVCT_BROWSE_UNCONG_IND_EVT */ 525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project}; 535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#define AVRC_OP_DROP 0xFE /* use this unused opcode to indication no need to call the callback function */ 555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#define AVRC_OP_DROP_N_FREE 0xFD /* use this unused opcode to indication no need to call the callback function & free buffer */ 565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function avrc_ctrl_cback 605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This is the callback function used by AVCTP to report 625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** received link events. 635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns Nothing. 655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project******************************************************************************/ 675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic void avrc_ctrl_cback(UINT8 handle, UINT8 event, UINT16 result, 685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BD_ADDR peer_addr) 695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 avrc_event; 715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (event <= AVRC_MAX_RCV_CTRL_EVT && avrc_cb.ccb[handle].p_ctrl_cback) 735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project avrc_event = avrc_ctrl_event_map[event]; 755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (event == AVCT_CONNECT_CFM_EVT) 765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (result != 0) /* failed */ 785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project avrc_event = AVRC_CLOSE_IND_EVT; 795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (*avrc_cb.ccb[handle].p_ctrl_cback)(handle, avrc_event, result, peer_addr); 815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* else drop the unknown event*/ 835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function avrc_get_data_ptr 885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description If the offset in the received buffer is smaller than required 905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** move the portion of data AVRC cares. 915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns Nothing. 935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project******************************************************************************/ 955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic UINT8 * avrc_get_data_ptr(BT_HDR *p_pkt) 965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p_data = (UINT8 *)(p_pkt+1) + p_pkt->offset; 985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project int i, gap; 995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_pkt->offset < AVCT_MSG_OFFSET) 1015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project gap = AVCT_MSG_OFFSET - p_pkt->offset; 1035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for(i=p_pkt->len; i>0; i--) 1045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *(p_data + i + gap) = *(p_data + i); 1065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_pkt->offset += gap; 1085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data = (UINT8 *)(p_pkt+1) + p_pkt->offset; 1095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_data = AVRC_RSP_IMPL_STBL; 1115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return p_data; 1125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 1135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1149adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan#if (AVRC_METADATA_INCLUDED == TRUE) 1159adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan/****************************************************************************** 1169adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 1179adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** Function avrc_prep_end_frag 1189adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 1199adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** Description This function prepares an end response fragment 1209adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 1219adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** Returns Nothing. 1229adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 1239adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan******************************************************************************/ 1249adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajanstatic void avrc_prep_end_frag(UINT8 handle) 1259adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan{ 1269adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan tAVRC_FRAG_CB *p_fcb; 1279adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan BT_HDR *p_pkt_new; 1289adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT8 *p_data, *p_orig_data; 1299adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT8 rsp_type; 1309adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 1319adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_TRACE_DEBUG0 ("avrc_prep_end_frag" ); 1329adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb = &avrc_cb.fcb[handle]; 1339adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 1349adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* The response type of the end fragment should be the same as the the PDU of "End Fragment 135247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji ** Response" Errata: https://www.bluetooth.org/errata/errata_view.cfm?errata_id=4383 136247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji */ 1379adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_orig_data = ((UINT8 *)(p_fcb->p_fmsg + 1) + p_fcb->p_fmsg->offset); 1389adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan rsp_type = ((*p_orig_data) & AVRC_CTYPE_MASK); 1399adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 1409adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt_new = p_fcb->p_fmsg; 1419adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt_new->len -= (AVRC_MAX_CTRL_DATA_LEN - AVRC_VENDOR_HDR_SIZE - AVRC_MIN_META_HDR_SIZE); 1429adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt_new->offset += (AVRC_MAX_CTRL_DATA_LEN - AVRC_VENDOR_HDR_SIZE - AVRC_MIN_META_HDR_SIZE); 1439adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data = (UINT8 *)(p_pkt_new+1) + p_pkt_new->offset; 1449adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = rsp_type; 1459adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = (AVRC_SUB_PANEL << AVRC_SUBTYPE_SHIFT); 1469adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = AVRC_OP_VENDOR; 1479adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_CO_ID_TO_BE_STREAM(p_data, AVRC_CO_METADATA); 1489adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = p_fcb->frag_pdu; 1499adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = AVRC_PKT_END; 150247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji 1519adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* 4=pdu, pkt_type & len */ 1529adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT16_TO_BE_STREAM(p_data, (p_pkt_new->len - AVRC_VENDOR_HDR_SIZE - AVRC_MIN_META_HDR_SIZE)); 1539adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan} 1549adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 1559adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan/****************************************************************************** 1569adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 1579adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** Function avrc_send_continue_frag 1589adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 1599adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** Description This function sends a continue response fragment 1609adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 1619adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** Returns Nothing. 1629adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 1639adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan******************************************************************************/ 1649adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajanstatic void avrc_send_continue_frag(UINT8 handle, UINT8 label) 1659adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan{ 1669adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan tAVRC_FRAG_CB *p_fcb; 1679adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan BT_HDR *p_pkt_old, *p_pkt; 1689adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT8 *p_old, *p_data; 1699adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT8 cr = AVCT_RSP; 1709adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan tAVRC_RSP rej_rsp; 1719adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 1729adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb = &avrc_cb.fcb[handle]; 1739adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt = p_fcb->p_fmsg; 1749adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 1759adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_TRACE_DEBUG1 ("avrc_send_continue_frag len(%d) / AVRC_MAX_CTRL_DATA_LEN", p_pkt->len ); 1769adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (p_pkt->len > AVRC_MAX_CTRL_DATA_LEN) 1779adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 1789adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt_old = p_fcb->p_fmsg; 1799adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt = (BT_HDR *)GKI_getbuf((UINT16)(AVRC_PACKET_LEN + AVCT_MSG_OFFSET + BT_HDR_SIZE)); 1809adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (p_pkt) 1819adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 1829adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->len = AVRC_MAX_CTRL_DATA_LEN; 1839adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->offset = AVCT_MSG_OFFSET; 1849adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->layer_specific = p_pkt_old->layer_specific; 1859adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->event = p_pkt_old->event; 1869adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_old = (UINT8 *)(p_pkt_old+1) + p_pkt_old->offset; 1879adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data = (UINT8 *)(p_pkt+1) + p_pkt->offset; 1889adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan memcpy (p_data, p_old, AVRC_MAX_CTRL_DATA_LEN); 1899adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* use AVRC continue packet type */ 1909adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data += AVRC_VENDOR_HDR_SIZE; 1919adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data++; /* pdu */ 1929adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = AVRC_PKT_CONTINUE; 1939adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* 4=pdu, pkt_type & len */ 1949adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT16_TO_BE_STREAM(p_data, (AVRC_MAX_CTRL_DATA_LEN - AVRC_VENDOR_HDR_SIZE - 4)); 1959adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 1969adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* prepare the left over for as an end fragment */ 1979adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan avrc_prep_end_frag (handle); 1989adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 1999adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan else 2009adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 2019adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* use the current GKI buffer to send Internal error status */ 2029adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt = p_fcb->p_fmsg; 2039adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb->p_fmsg = NULL; 2049adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb->frag_enabled = FALSE; 2059adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_TRACE_ERROR0 ("AVRC_MsgReq no buffers for fragmentation - send internal error" ); 2069adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data = (UINT8 *)(p_pkt+1) + p_pkt->offset; 2079adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = AVRC_PDU_REQUEST_CONTINUATION_RSP; 2089adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = 0; 2099adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT16_TO_BE_STREAM(p_data, 0); 2109adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->len = 4; 2119adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan rej_rsp.pdu = AVRC_PDU_REQUEST_CONTINUATION_RSP; 2129adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan rej_rsp.status = AVRC_STS_INTERNAL_ERR; 2139adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_BldResponse( handle, (tAVRC_RESPONSE *)&rej_rsp, &p_pkt); 2149adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan cr = AVCT_RSP; 2159adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 2169adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 2179adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan else 2189adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 2199adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* end fragment. clean the control block */ 2209adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb->frag_enabled = FALSE; 2219adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb->p_fmsg = NULL; 2229adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 2239adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVCT_MsgReq( handle, label, cr, p_pkt); 2249adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan} 2259adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 2269adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan/****************************************************************************** 2279adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 2289adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** Function avrc_proc_vendor_command 2299adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 2309adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** Description This function processes received vendor command. 2319adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 2329adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** Returns if not NULL, the response to send right away. 2339adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 2349adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan******************************************************************************/ 2359adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajanstatic BT_HDR * avrc_proc_vendor_command(UINT8 handle, UINT8 label, 2369adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan BT_HDR *p_pkt, tAVRC_MSG_VENDOR *p_msg) 2379adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan{ 2389adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan BT_HDR *p_rsp = NULL; 2399adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT8 *p_data; 2409adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT8 *p_begin; 2419adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT8 pkt_type; 2429adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan BOOLEAN abort_frag = FALSE; 2439adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan tAVRC_STS status = AVRC_STS_NO_ERROR; 2449adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan tAVRC_FRAG_CB *p_fcb; 2459adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 2469adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_begin = (UINT8 *)(p_pkt+1) + p_pkt->offset; 2479adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data = p_begin + AVRC_VENDOR_HDR_SIZE; 2489adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan pkt_type = *(p_data + 1) & AVRC_PKT_TYPE_MASK; 2499adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 2509adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (pkt_type != AVRC_PKT_SINGLE) 2519adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 2529adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* reject - commands can only be in single packets at AVRCP level */ 2539adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_TRACE_ERROR1 ("commands must be in single packet pdu:0x%x", *p_data ); 2549adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* use the current GKI buffer to send the reject */ 2559adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan status = AVRC_STS_BAD_CMD; 2569adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 2579adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* check if there are fragments waiting to be sent */ 2589adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan else if (avrc_cb.fcb[handle].frag_enabled) 2599adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 2609adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb = &avrc_cb.fcb[handle]; 2619adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (p_msg->company_id == AVRC_CO_METADATA) 2629adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 2639adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan switch (*p_data) 2649adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 2659adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan case AVRC_PDU_ABORT_CONTINUATION_RSP: 2669adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* aborted by CT - send accept response */ 2679adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan abort_frag = TRUE; 2689adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_begin = (UINT8 *)(p_pkt+1) + p_pkt->offset; 2699adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_begin = (AVRC_RSP_ACCEPT & AVRC_CTYPE_MASK); 2709adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (*(p_data + 4) != p_fcb->frag_pdu) 2719adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 2729adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_begin = (AVRC_RSP_REJ & AVRC_CTYPE_MASK); 2739adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *(p_data + 4) = AVRC_STS_BAD_PARAM; 2749adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 2759adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan else 2769adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 2779adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data = (p_begin + AVRC_VENDOR_HDR_SIZE + 2); 2789adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT16_TO_BE_STREAM(p_data, 0); 2799adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->len = (p_data - p_begin); 2809adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 2819adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVCT_MsgReq( handle, label, AVCT_RSP, p_pkt); 2829adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_msg->hdr.opcode = AVRC_OP_DROP; /* used the p_pkt to send response */ 2839adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan break; 2849adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 2859adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan case AVRC_PDU_REQUEST_CONTINUATION_RSP: 2869adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (*(p_data + 4) == p_fcb->frag_pdu) 2879adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 2889adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan avrc_send_continue_frag(handle, label); 2899adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_msg->hdr.opcode = AVRC_OP_DROP_N_FREE; 2909adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 2919adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan else 2929adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 2939adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* the pdu id does not match - reject the command using the current GKI buffer */ 2949adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_TRACE_ERROR2("avrc_proc_vendor_command continue pdu: 0x%x does not match \ 2959adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan current re-assembly pdu: 0x%x", 2969adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *(p_data + 4), p_fcb->frag_pdu); 2979adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan status = AVRC_STS_BAD_PARAM; 2989adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan abort_frag = TRUE; 2999adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 3009adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan break; 3019adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 3029adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan default: 3039adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* implicit abort */ 3049adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan abort_frag = TRUE; 3059adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 3069adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 3079adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan else 3089adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 3099adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan abort_frag = TRUE; 3109adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* implicit abort */ 3119adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 3129adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 3139adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (abort_frag) 3149adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 3159adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (p_fcb->p_fmsg) 3169adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan GKI_freebuf(p_fcb->p_fmsg); 3179adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb->p_fmsg = NULL; 3189adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb->frag_enabled = FALSE; 3199adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 3209adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 3219adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 3229adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (status != AVRC_STS_NO_ERROR) 3239adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 3249adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* use the current GKI buffer to build/send the reject message */ 3259adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data = (UINT8 *)(p_pkt+1) + p_pkt->offset; 3269adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = AVRC_RSP_REJ; 3279adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data += AVRC_VENDOR_HDR_SIZE; /* pdu */ 3289adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = 0; /* pkt_type */ 3299adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT16_TO_BE_STREAM(p_data, 1); /* len */ 3309adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = status; /* error code */ 3319adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->len = AVRC_VENDOR_HDR_SIZE + 5; 3329adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_rsp = p_pkt; 3339adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 3349adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 3359adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan return p_rsp; 3369adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan} 3379adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 3389adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan/****************************************************************************** 3399adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 3409adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** Function avrc_proc_far_msg 3419adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 342247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji** Description This function processes metadata fragmenation 3439adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** and reassembly 3449adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 3459adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** Returns 0, to report the message with msg_cback . 3469adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan** 3479adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan******************************************************************************/ 3489adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajanstatic UINT8 avrc_proc_far_msg(UINT8 handle, UINT8 label, UINT8 cr, BT_HDR **pp_pkt, 3499adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan tAVRC_MSG_VENDOR *p_msg) 3509adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan{ 3519adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan BT_HDR *p_pkt = *pp_pkt; 3529adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT8 *p_data; 3539adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan BOOLEAN drop = FALSE; 3549adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan BT_HDR *p_rsp = NULL; 3559adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan BT_HDR *p_cmd = NULL; 3569adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan BOOLEAN req_continue = FALSE; 3579adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan BT_HDR *p_pkt_new = NULL; 3589adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT8 pkt_type; 3599adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT16 buf_len; 3609adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan tAVRC_RASM_CB *p_rcb; 3619adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan tAVRC_NEXT_CMD avrc_cmd; 3629adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 3639adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data = (UINT8 *)(p_pkt+1) + p_pkt->offset; 364247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji 365247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji /* Skip over vendor header (ctype, subunit*, opcode, CO_ID) */ 366247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji p_data += AVRC_VENDOR_HDR_SIZE; 367247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji 3689adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan pkt_type = *(p_data + 1) & AVRC_PKT_TYPE_MASK; 3699adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_TRACE_DEBUG1 ("pkt_type %d", pkt_type ); 3709adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_rcb = &avrc_cb.rcb[handle]; 3719adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (p_msg->company_id == AVRC_CO_METADATA) 3729adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 3739adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* check if the message needs to be re-assembled */ 3749adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (pkt_type == AVRC_PKT_SINGLE || pkt_type == AVRC_PKT_START) 3759adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 3769adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* previous fragments need to be dropped, when received another new message */ 3779adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_rcb->rasm_offset = 0; 3789adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (p_rcb->p_rmsg) 3799adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 3809adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan GKI_freebuf(p_rcb->p_rmsg); 3819adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_rcb->p_rmsg = NULL; 3829adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 3839adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 3849adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 3859adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (pkt_type != AVRC_PKT_SINGLE && cr == AVCT_RSP) 3869adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 3879adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* not a single response packet - need to re-assemble metadata messages */ 3889adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (pkt_type == AVRC_PKT_START) 3899adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 390247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji /* Allocate buffer for re-assembly */ 391247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji p_rcb->rasm_pdu = *p_data; 392247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji if ((p_rcb->p_rmsg = (BT_HDR *)GKI_getbuf(GKI_MAX_BUF_SIZE)) != NULL) 393247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji { 394247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji /* Copy START packet to buffer for re-assembling fragments*/ 395247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji memcpy(p_rcb->p_rmsg, p_pkt, sizeof(BT_HDR)); /* Copy bt hdr */ 396247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji 397247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji /* Copy metadata message */ 398247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji memcpy((UINT8 *)(p_rcb->p_rmsg + 1), 399247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji (UINT8 *)(p_pkt+1) + p_pkt->offset, p_pkt->len); 400247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji 401247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji /* offset of start of metadata response in reassembly buffer */ 402247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji p_rcb->p_rmsg->offset = p_rcb->rasm_offset = 0; 403247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji 404247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji /* Free original START packet, replace with pointer to reassembly buffer */ 405247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji GKI_freebuf(p_pkt); 406247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji *pp_pkt = p_rcb->p_rmsg; 407247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji } 408247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji else 409247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji { 410247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji /* Unable to allocate buffer for fragmented avrc message. Reuse START 411247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji buffer for reassembly (re-assembled message may fit into ACL buf) */ 412247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji AVRC_TRACE_DEBUG0 ("Unable to allocate buffer for fragmented avrc message, \ 413247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji reusing START buffer for reassembly"); 414247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji p_rcb->rasm_offset = p_pkt->offset; 415247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji p_rcb->p_rmsg = p_pkt; 416247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji } 417247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji 4189adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* set offset to point to where to copy next - use the same re-asm logic as AVCT */ 4199adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_rcb->p_rmsg->offset += p_rcb->p_rmsg->len; 4209adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan req_continue = TRUE; 4219adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 422247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji else if (p_rcb->p_rmsg == NULL) 423247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji { 424247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji /* Received a CONTINUE/END, but no corresponding START 425247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji (or previous fragmented response was dropped) */ 426247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji AVRC_TRACE_DEBUG0 ("Received a CONTINUE/END without no corresponding START \ 427247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji (or previous fragmented response was dropped)"); 428247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji drop = 5; 429247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji GKI_freebuf(p_pkt); 430247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji *pp_pkt = NULL; 431247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji } 4329adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan else 4339adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 4349adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* get size of buffer holding assembled message */ 4359adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan buf_len = GKI_get_buf_size (p_rcb->p_rmsg) - sizeof(BT_HDR); 4369adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* adjust offset and len of fragment for header byte */ 4379adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->offset += (AVRC_VENDOR_HDR_SIZE + AVRC_MIN_META_HDR_SIZE); 4389adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->len -= (AVRC_VENDOR_HDR_SIZE + AVRC_MIN_META_HDR_SIZE); 4399adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* verify length */ 4409adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if ((p_rcb->p_rmsg->offset + p_pkt->len) > buf_len) 4419adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 4429adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_TRACE_WARNING0("Fragmented message too big! - report the partial message"); 4439adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->len = buf_len - p_rcb->p_rmsg->offset; 4449adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan pkt_type = AVRC_PKT_END; 4459adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 4469adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 4479adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* copy contents of p_pkt to p_rx_msg */ 4489adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan memcpy((UINT8 *)(p_rcb->p_rmsg + 1) + p_rcb->p_rmsg->offset, 4499adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan (UINT8 *)(p_pkt + 1) + p_pkt->offset, p_pkt->len); 4509adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 4519adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (pkt_type == AVRC_PKT_END) 4529adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 4539adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_rcb->p_rmsg->offset = p_rcb->rasm_offset; 4549adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_rcb->p_rmsg->len += p_pkt->len; 4559adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt_new = p_rcb->p_rmsg; 4569adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_rcb->rasm_offset = 0; 4579adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_rcb->p_rmsg = NULL; 4589adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_msg->p_vendor_data = (UINT8 *)(p_pkt_new+1) + p_pkt_new->offset; 4599adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_msg->hdr.ctype = p_msg->p_vendor_data[0] & AVRC_CTYPE_MASK; 4609adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* 6 = ctype, subunit*, opcode & CO_ID */ 4619adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_msg->p_vendor_data += AVRC_VENDOR_HDR_SIZE; 4629adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_msg->vendor_len = p_pkt_new->len - AVRC_VENDOR_HDR_SIZE; 4639adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data = p_msg->p_vendor_data + 1; /* skip pdu */ 4649adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = AVRC_PKT_SINGLE; 4659adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT16_TO_BE_STREAM(p_data, (p_msg->vendor_len - AVRC_MIN_META_HDR_SIZE)); 4669adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_TRACE_DEBUG3("end frag:%d, total len:%d, offset:%d", p_pkt->len, 4679adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt_new->len, p_pkt_new->offset); 4689adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 4699adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan else 4709adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 4719adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_rcb->p_rmsg->offset += p_pkt->len; 4729adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_rcb->p_rmsg->len += p_pkt->len; 4739adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt_new = NULL; 4749adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan req_continue = TRUE; 4759adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 4769adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan GKI_freebuf(p_pkt); 4779adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *pp_pkt = p_pkt_new; 4789adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 4799adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 4809adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 4819adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (cr == AVCT_CMD) 4829adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 4839adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_rsp = avrc_proc_vendor_command(handle, label, *pp_pkt, p_msg); 4849adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (p_rsp) 4859adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 4869adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVCT_MsgReq( handle, label, AVCT_RSP, p_rsp); 4879adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan drop = 3; 4889adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 4899adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan else if (p_msg->hdr.opcode == AVRC_OP_DROP) 4909adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 4919adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan drop = 1; 4929adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 4939adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan else if (p_msg->hdr.opcode == AVRC_OP_DROP_N_FREE) 4949adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan drop = 4; 4959adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 4969adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 497247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji else if (cr == AVCT_RSP && req_continue == TRUE) 498247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji { 499247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji avrc_cmd.pdu = AVRC_PDU_REQUEST_CONTINUATION_RSP; 500247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji avrc_cmd.status = AVRC_STS_NO_ERROR; 501247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji avrc_cmd.target_pdu = p_rcb->rasm_pdu; 502247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji if (AVRC_BldCommand ((tAVRC_COMMAND *)&avrc_cmd, &p_cmd) == AVRC_STS_NO_ERROR) 503247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji { 504247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji drop = 2; 505247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji AVRC_MsgReq (handle, (UINT8)(label), AVRC_CMD_CTRL, p_cmd); 506247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji } 507247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji } 5089adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 509247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji 5109adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan return drop; 5119adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan} 5129adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan#endif /* (AVRC_METADATA_INCLUDED == TRUE) */ 5135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 5155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 5165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function avrc_msg_cback 5175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 5185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This is the callback function used by AVCTP to report 5195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** received AV control messages. 5205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 5215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns Nothing. 5225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 5235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project******************************************************************************/ 5245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic void avrc_msg_cback(UINT8 handle, UINT8 label, UINT8 cr, 5255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BT_HDR *p_pkt) 5265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 5275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 opcode; 5285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tAVRC_MSG msg; 5295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p_data; 5305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p_begin; 5315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BOOLEAN drop = FALSE; 5325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BOOLEAN free = TRUE; 5335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BT_HDR *p_rsp = NULL; 5345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p_rsp_data; 5355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project int xx; 5365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BOOLEAN reject = FALSE; 5375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (BT_USE_TRACES == TRUE) 5385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project char *p_drop_msg = "dropped"; 5395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 5405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tAVRC_MSG_VENDOR *p_msg = &msg.vendor; 5415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (cr == AVCT_CMD && 5435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (p_pkt->layer_specific & AVCT_DATA_CTRL && AVRC_PACKET_LEN < sizeof(p_pkt->len))) 5445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Ignore the invalid AV/C command frame */ 5465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (BT_USE_TRACES == TRUE) 5475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_drop_msg = "dropped - too long AV/C cmd frame size"; 5485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 5495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf(p_pkt); 5505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 5515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (cr == AVCT_REJ) 5545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* The peer thinks that this PID is no longer open - remove this handle */ 5565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* */ 5575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf(p_pkt); 5585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVCT_RemoveConn(handle); 5595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 5605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data = (UINT8 *)(p_pkt+1) + p_pkt->offset; 5635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset(&msg, 0, sizeof(tAVRC_MSG) ); 5645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.hdr.ctype = p_data[0] & AVRC_CTYPE_MASK; 5665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_TRACE_DEBUG4("avrc_msg_cback handle:%d, ctype:%d, offset:%d, len: %d", 5675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project handle, msg.hdr.ctype, p_pkt->offset, p_pkt->len); 5685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.hdr.subunit_type = (p_data[1] & AVRC_SUBTYPE_MASK) >> AVRC_SUBTYPE_SHIFT; 5695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.hdr.subunit_id = p_data[1] & AVRC_SUBID_MASK; 5705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project opcode = p_data[2]; 5715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ( ((avrc_cb.ccb[handle].control & AVRC_CT_TARGET) && (cr == AVCT_CMD)) || 5745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ((avrc_cb.ccb[handle].control & AVRC_CT_CONTROL) && (cr == AVCT_RSP)) ) 5755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch(opcode) 5785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case AVRC_OP_UNIT_INFO: 5805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (cr == AVCT_CMD) 5815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* send the response to the peer */ 5835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rsp = p_pkt; /* this also sets free = FALSE, drop = TRUE */ 5845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* check & set the offset. set response code, set subunit_type & subunit_id, 5855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project set AVRC_OP_UNIT_INFO */ 5869adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* 3 bytes: ctype, subunit*, opcode */ 5879adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_rsp_data = avrc_get_data_ptr(p_pkt) + AVRC_AVC_HDR_SIZE; 5885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_rsp_data++ = 7; 5895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Panel subunit & id=0 */ 5905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_rsp_data++ = (AVRC_SUB_PANEL << AVRC_SUBTYPE_SHIFT); 5915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_CO_ID_TO_BE_STREAM(p_rsp_data, avrc_cb.ccb[handle].company_id); 5925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rsp->len = (UINT16) (p_rsp_data - (UINT8 *)(p_rsp + 1) - p_rsp->offset); 5935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cr = AVCT_RSP; 5945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (BT_USE_TRACES == TRUE) 5955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_drop_msg = "auto respond"; 5965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 5975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* parse response */ 6015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data += 4; /* 3 bytes: ctype, subunit*, opcode + octet 3 (is 7)*/ 6025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.unit.unit_type = (*p_data & AVRC_SUBTYPE_MASK) >> AVRC_SUBTYPE_SHIFT; 6035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.unit.unit = *p_data & AVRC_SUBID_MASK; 6045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data++; 6055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_BE_STREAM_TO_CO_ID(msg.unit.company_id, p_data); 6065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case AVRC_OP_SUB_INFO: 6105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (cr == AVCT_CMD) 6115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* send the response to the peer */ 6135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rsp = p_pkt; /* this also sets free = FALSE, drop = TRUE */ 6145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* check & set the offset. set response code, set (subunit_type & subunit_id), 6155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project set AVRC_OP_SUB_INFO, set (page & extention code) */ 6165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rsp_data = avrc_get_data_ptr(p_pkt) + 4; 6175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Panel subunit & id=0 */ 6185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_rsp_data++ = (AVRC_SUB_PANEL << AVRC_SUBTYPE_SHIFT); 6195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset(p_rsp_data, AVRC_CMD_OPRND_PAD, AVRC_SUBRSP_OPRND_BYTES); 6205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rsp_data += AVRC_SUBRSP_OPRND_BYTES; 6215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rsp->len = (UINT16) (p_rsp_data - (UINT8 *)(p_rsp + 1) - p_rsp->offset); 6225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cr = AVCT_RSP; 6235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (BT_USE_TRACES == TRUE) 6245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_drop_msg = "auto responded"; 6255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 6265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 6285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* parse response */ 6305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data += AVRC_AVC_HDR_SIZE; /* 3 bytes: ctype, subunit*, opcode */ 6315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.sub.page = (*p_data++ >> AVRC_SUB_PAGE_SHIFT) & AVRC_SUB_PAGE_MASK; 6325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project xx = 0; 6335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project while (*p_data != AVRC_CMD_OPRND_PAD && xx<AVRC_SUB_TYPE_LEN) 6345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.sub.subunit_type[xx] = *p_data++ >> AVRC_SUBTYPE_SHIFT; 6365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (msg.sub.subunit_type[xx] == AVRC_SUB_PANEL) 6375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.sub.panel = TRUE; 6385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project xx++; 6395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case AVRC_OP_VENDOR: 6445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data = (UINT8 *)(p_pkt+1) + p_pkt->offset; 6455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_begin = p_data; 6465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_pkt->len < AVRC_VENDOR_HDR_SIZE) /* 6 = ctype, subunit*, opcode & CO_ID */ 6475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (cr == AVCT_CMD) 6495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project reject = TRUE; 6505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 6515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project drop = TRUE; 6525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data += AVRC_AVC_HDR_SIZE; /* skip the first 3 bytes: ctype, subunit*, opcode */ 6555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_BE_STREAM_TO_CO_ID(p_msg->company_id, p_data); 6565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->p_vendor_data = p_data; 6575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->vendor_len = p_pkt->len - (p_data - p_begin); 6585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6599adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan#if (AVRC_METADATA_INCLUDED == TRUE) 660247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji if (p_msg->company_id == AVRC_CO_METADATA) 661247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji { 662247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji /* Validate length for metadata message */ 663247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji if (p_pkt->len < (AVRC_VENDOR_HDR_SIZE + AVRC_MIN_META_HDR_SIZE)) 664247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji { 665247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji if (cr == AVCT_CMD) 666247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji reject = TRUE; 667247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji else 668247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji drop = TRUE; 669247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji break; 670247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji } 671247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji 672247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji /* Check+handle fragmented messages */ 673247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji drop = avrc_proc_far_msg(handle, label, cr, &p_pkt, p_msg); 674247c68fe6eee3660cbdcf4509195fe735ae25573Satya Calloji } 6759adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (drop) 6769adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 6779adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan free = FALSE; 6789adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (drop == 4) 6799adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan free = TRUE; 6809adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan#if (BT_USE_TRACES == TRUE) 6819adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan switch (drop) 6829adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 6839adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan case 1: 6849adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_drop_msg = "sent_frag"; 6859adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan break; 6869adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan case 2: 6879adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_drop_msg = "req_cont"; 6889adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan break; 6899adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan case 3: 6909adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_drop_msg = "sent_frag3"; 6919adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan break; 6929adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan case 4: 6939adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_drop_msg = "sent_frag_free"; 6949adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan break; 6959adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan default: 6969adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_drop_msg = "sent_fragd"; 6979adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 6989adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan#endif 6999adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 7009adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan#endif /* (AVRC_METADATA_INCLUDED == TRUE) */ 7015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case AVRC_OP_PASS_THRU: 7045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_pkt->len < 5) /* 3 bytes: ctype, subunit*, opcode & op_id & len */ 7055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (cr == AVCT_CMD) 7075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project reject = TRUE; 7085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 7095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project drop = TRUE; 7105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data += AVRC_AVC_HDR_SIZE; /* skip the first 3 bytes: ctype, subunit*, opcode */ 7135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.pass.op_id = (AVRC_PASS_OP_ID_MASK & *p_data); 7145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (AVRC_PASS_STATE_MASK & *p_data) 7155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.pass.state = TRUE; 7165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 7175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.pass.state = FALSE; 7185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data++; 7195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.pass.pass_len = *p_data++; 7205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (msg.pass.pass_len != p_pkt->len - 5) 7215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.pass.pass_len = p_pkt->len - 5; 7225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (msg.pass.pass_len) 7235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.pass.p_pass_data = p_data; 7245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 7255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.pass.p_pass_data = NULL; 7265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project default: 7305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((avrc_cb.ccb[handle].control & AVRC_CT_TARGET) && (cr == AVCT_CMD)) 7315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* reject unsupported opcode */ 7335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project reject = TRUE; 7345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project drop = TRUE; 7365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else /* drop the event */ 7405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project drop = TRUE; 7425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (reject) 7455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* reject unsupported opcode */ 7475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rsp = p_pkt; /* this also sets free = FALSE, drop = TRUE */ 7485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rsp_data = avrc_get_data_ptr(p_pkt); 7495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_rsp_data = AVRC_RSP_REJ; 7505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (BT_USE_TRACES == TRUE) 7515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_drop_msg = "rejected"; 7525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 7535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cr = AVCT_RSP; 7545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project drop = TRUE; 7555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_rsp) 7585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* set to send response right away */ 7605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVCT_MsgReq( handle, label, cr, p_rsp); 7615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project free = FALSE; 7625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project drop = TRUE; 7635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (drop == FALSE) 7665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project msg.hdr.opcode = opcode; 7685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (*avrc_cb.ccb[handle].p_msg_cback)(handle, label, opcode, &msg); 7695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (BT_USE_TRACES == TRUE) 7715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 7725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_TRACE_WARNING5("avrc_msg_cback %s msg handle:%d, control:%d, cr:%d, opcode:x%x", 7745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_drop_msg, 7755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project handle, avrc_cb.ccb[handle].control, cr, opcode); 7765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 7785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (free) 7815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf(p_pkt); 7825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 7835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 7885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function avrc_pass_msg 7905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description Compose a PASS THROUGH command according to p_msg 7925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Input Parameters: 7945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** p_msg: Pointer to PASS THROUGH message structure. 7955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Output Parameters: 7975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** None. 7985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns pointer to a valid GKI buffer if successful. 8005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** NULL if p_msg is NULL. 8015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project******************************************************************************/ 8035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic BT_HDR * avrc_pass_msg(tAVRC_MSG_PASS *p_msg) 8045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 8055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BT_HDR *p_cmd = NULL; 8065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p_data; 8075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project WC_ASSERT(p_msg != NULL); 8095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project WC_ASSERT(AVRC_CMD_POOL_SIZE > (AVRC_MIN_CMD_LEN+p_msg->pass_len)); 8105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_cmd = (BT_HDR *) GKI_getpoolbuf(AVRC_CMD_POOL_ID)) != NULL) 8125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 8135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_cmd->offset = AVCT_MSG_OFFSET; 8145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_cmd->layer_specific = AVCT_DATA_CTRL; 8155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data = (UINT8 *)(p_cmd + 1) + p_cmd->offset; 8165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_data++ = (p_msg->hdr.ctype & AVRC_CTYPE_MASK); 8175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_data++ = (AVRC_SUB_PANEL << AVRC_SUBTYPE_SHIFT); /* Panel subunit & id=0 */ 8185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_data++ = AVRC_OP_PASS_THRU; 8195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_data = (AVRC_PASS_OP_ID_MASK&p_msg->op_id); 8205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_msg->state) 8215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_data |= AVRC_PASS_STATE_MASK; 8225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data++; 8235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_msg->op_id == AVRC_ID_VENDOR) 8255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 8265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_data++ = p_msg->pass_len; 8275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_msg->pass_len && p_msg->p_pass_data) 8285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 8295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy(p_data, p_msg->p_pass_data, p_msg->pass_len); 8305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data += p_msg->pass_len; 8315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 8325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 8335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else /* set msg len to 0 for other op_id */ 8345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 8355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* set msg len to 0 for other op_id */ 8365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_data++ = 0; 8375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 8385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_cmd->len = (UINT16) (p_data - (UINT8 *)(p_cmd + 1) - p_cmd->offset); 8395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 8405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return p_cmd; 8415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 8425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 8445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function AVRC_Open 8465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called to open a connection to AVCTP. 8485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** The connection can be either an initiator or acceptor, as 8495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** determined by the p_ccb->stream parameter. 8505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** The connection can be a target, a controller or for both role, 8515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** as determined by the p_ccb->control parameter. 8525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** By definition, a target connection is an acceptor connection 8535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** that waits for an incoming AVCTP connection from the peer. 8545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** The connection remains available to the application until 8555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** the application closes it by calling AVRC_Close(). The 8565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** application does not need to reopen the connection after an 8575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** AVRC_CLOSE_IND_EVT is received. 8585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Input Parameters: 8605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** p_ccb->company_id: Company Identifier. 8615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** p_ccb->p_ctrl_cback: Pointer to control callback function. 8635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** p_ccb->p_msg_cback: Pointer to message callback function. 8655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** p_ccb->conn: AVCTP connection role. This is set to 8675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** AVCTP_INT for initiator connections and AVCTP_ACP 8685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** for acceptor connections. 8695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** p_ccb->control: Control role. This is set to 8715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** AVRC_CT_TARGET for target connections, AVRC_CT_CONTROL 8725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** for control connections or (AVRC_CT_TARGET|AVRC_CT_CONTROL) 8735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** for connections that support both roles. 8745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** peer_addr: BD address of peer device. This value is 8765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** only used for initiator connections; for acceptor 8775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** connections it can be set to NULL. 8785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Output Parameters: 8805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** p_handle: Pointer to handle. This parameter is only 8815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** valid if AVRC_SUCCESS is returned. 8825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns AVRC_SUCCESS if successful. 8845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** AVRC_NO_RESOURCES if there are not enough resources to open 8855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** the connection. 8865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project******************************************************************************/ 8885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjectUINT16 AVRC_Open(UINT8 *p_handle, tAVRC_CONN_CB *p_ccb, BD_ADDR_PTR peer_addr) 8895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 8905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 status; 8915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tAVCT_CC cc; 8925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cc.p_ctrl_cback = avrc_ctrl_cback; /* Control callback */ 8945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cc.p_msg_cback = avrc_msg_cback; /* Message callback */ 8955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cc.pid = UUID_SERVCLASS_AV_REMOTE_CONTROL; /* Profile ID */ 8965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cc.role = p_ccb->conn; /* Initiator/acceptor role */ 8975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cc.control = p_ccb->control; /* Control role (Control/Target) */ 8985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project status = AVCT_CreateConn(p_handle, &cc, peer_addr); 9005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (status == AVCT_SUCCESS) 9015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 9025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy(&avrc_cb.ccb[*p_handle], p_ccb, sizeof(tAVRC_CONN_CB)); 9039adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan#if (AVRC_METADATA_INCLUDED == TRUE) 9049adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan memset(&avrc_cb.fcb[*p_handle], 0, sizeof(tAVRC_FRAG_CB)); 9059adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan memset(&avrc_cb.rcb[*p_handle], 0, sizeof(tAVRC_RASM_CB)); 9069adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan#endif 9075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 9089adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_TRACE_DEBUG4("AVRC_Open role: %d, control:%d status:%d, handle:%d", cc.role, cc.control, 9099adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan status, *p_handle); 9105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return status; 9125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 9135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 9155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function AVRC_Close 9175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description Close a connection opened with AVRC_Open(). 9195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** This function is called when the 9205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** application is no longer using a connection. 9215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Input Parameters: 9235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** handle: Handle of this connection. 9245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Output Parameters: 9265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** None. 9275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns AVRC_SUCCESS if successful. 9295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** AVRC_BAD_HANDLE if handle is invalid. 9305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project******************************************************************************/ 9325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjectUINT16 AVRC_Close(UINT8 handle) 9335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 9345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project AVRC_TRACE_DEBUG1("AVRC_Close handle:%d", handle); 9355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return AVCT_RemoveConn(handle); 9365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 9375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 9405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function AVRC_MsgReq 9425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is used to send the AVRCP byte stream in p_pkt 9445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** down to AVCTP. 9455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** It is expected that p_pkt->offset is at least AVCT_MSG_OFFSET 9475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** p_pkt->layer_specific is AVCT_DATA_CTRL or AVCT_DATA_BROWSE 9485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** p_pkt->event is AVRC_OP_VENDOR, AVRC_OP_PASS_THRU or AVRC_OP_BROWSE 9495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** The above BT_HDR settings are set by the AVRC_Bld* functions. 9505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns AVRC_SUCCESS if successful. 9525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** AVRC_BAD_HANDLE if handle is invalid. 9535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project******************************************************************************/ 9555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjectUINT16 AVRC_MsgReq (UINT8 handle, UINT8 label, UINT8 ctype, BT_HDR *p_pkt) 9565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 9579adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan#if (AVRC_METADATA_INCLUDED == TRUE) 9589adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT8 *p_data; 9599adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT8 cr = AVCT_CMD; 9609adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan BOOLEAN chk_frag = TRUE; 9619adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT8 *p_start = NULL; 9629adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan tAVRC_FRAG_CB *p_fcb; 9639adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT16 len; 9649adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan BT_HDR *p_pkt_new; 9659adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 9669adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (!p_pkt) 9679adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan return AVRC_BAD_PARAM; 9689adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 9699adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (ctype >= AVRC_RSP_NOT_IMPL) 9709adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan cr = AVCT_RSP; 9719adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 9729adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (p_pkt->event == AVRC_OP_VENDOR) 9739adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 9749adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* add AVRCP Vendor Dependent headers */ 9759adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_start = ((UINT8 *)(p_pkt + 1) + p_pkt->offset); 9769adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->offset -= AVRC_VENDOR_HDR_SIZE; 9779adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->len += AVRC_VENDOR_HDR_SIZE; 9789adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data = (UINT8 *)(p_pkt + 1) + p_pkt->offset; 9799adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = (ctype & AVRC_CTYPE_MASK); 9809adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = (AVRC_SUB_PANEL << AVRC_SUBTYPE_SHIFT); 9819adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = AVRC_OP_VENDOR; 9829adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_CO_ID_TO_BE_STREAM(p_data, AVRC_CO_METADATA); 9839adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 9849adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan else if (p_pkt->event == AVRC_OP_PASS_THRU) 9859adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 9869adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* add AVRCP Pass Through headers */ 9879adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_start = ((UINT8 *)(p_pkt + 1) + p_pkt->offset); 9889adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->offset -= AVRC_PASS_THRU_SIZE; 9899adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->len += AVRC_PASS_THRU_SIZE; 9909adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data = (UINT8 *)(p_pkt + 1) + p_pkt->offset; 9919adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = (ctype & AVRC_CTYPE_MASK); 9929adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = (AVRC_SUB_PANEL << AVRC_SUBTYPE_SHIFT); 9939adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = AVRC_OP_PASS_THRU;/* opcode */ 9949adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = AVRC_ID_VENDOR; /* operation id */ 9959adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = 5; /* operation data len */ 9969adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_CO_ID_TO_BE_STREAM(p_data, AVRC_CO_METADATA); 9979adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 9989adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 9999adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* abandon previous fragments */ 10009adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb = &avrc_cb.fcb[handle]; 10019adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (p_fcb->frag_enabled) 10029adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb->frag_enabled = FALSE; 10039adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 10049adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (p_fcb->p_fmsg) 10059adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 10069adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan GKI_freebuf(p_fcb->p_fmsg); 10079adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb->p_fmsg = NULL; 10089adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 10099adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 10109adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* AVRCP spec has not defined any control channel commands that needs fragmentation at this level 10119adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan * check for fragmentation only on the response */ 10129adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if ((cr == AVCT_RSP) && (chk_frag == TRUE)) 10139adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 10149adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (p_pkt->len > AVRC_MAX_CTRL_DATA_LEN) 10159adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 10169adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_TRACE_DEBUG1 ("p_pkt->len(%d) > AVRC_MAX_CTRL_DATA_LEN", p_pkt->len ); 10179adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt_new = (BT_HDR *)GKI_getbuf((UINT16)(AVRC_PACKET_LEN + AVCT_MSG_OFFSET 10189adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan + BT_HDR_SIZE)); 10199adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan if (p_pkt_new) 10209adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 10219adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb->frag_enabled = TRUE; 10229adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb->p_fmsg = p_pkt; 10239adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_fcb->frag_pdu = *p_start; 10249adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt = p_pkt_new; 10259adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt_new = p_fcb->p_fmsg; 10269adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->len = AVRC_MAX_CTRL_DATA_LEN; 10279adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->offset = p_pkt_new->offset; 10289adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->layer_specific = p_pkt_new->layer_specific; 10299adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_pkt->event = p_pkt_new->event; 10309adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data = (UINT8 *)(p_pkt+1) + p_pkt->offset; 10319adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_start -= AVRC_VENDOR_HDR_SIZE; 10329adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan memcpy (p_data, p_start, AVRC_MAX_CTRL_DATA_LEN); 10339adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* use AVRC start packet type */ 10349adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data += AVRC_VENDOR_HDR_SIZE; 10359adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan p_data++; /* pdu */ 10369adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan *p_data++ = AVRC_PKT_START; 10379adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* 4 pdu, pkt_type & len */ 10389adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan len = (AVRC_MAX_CTRL_DATA_LEN - AVRC_VENDOR_HDR_SIZE - AVRC_MIN_META_HDR_SIZE); 10399adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan UINT16_TO_BE_STREAM(p_data, len); 10409adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 10419adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan /* prepare the left over for as an end fragment */ 10429adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan avrc_prep_end_frag (handle); 10439adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_TRACE_DEBUG3 ("p_pkt len:%d/%d, next len:%d", p_pkt->len, len, p_fcb->p_fmsg->len ); 10449adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 10459adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan else 10469adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan { 10479adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan AVRC_TRACE_ERROR0 ("AVRC_MsgReq no buffers for fragmentation" ); 10489adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan GKI_freebuf(p_pkt); 10495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return AVRC_NO_RESOURCES; 10505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 10519adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 10529adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan } 10539adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan 10549adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan return AVCT_MsgReq( handle, label, cr, p_pkt); 10559adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan#else 10569adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan return AVRC_NO_RESOURCES; 10579adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan#endif 10589adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan} 10595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 10625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 10635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function AVRC_PassCmd 10645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 10655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description Send a PASS THROUGH command to the peer device. This 10665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** function can only be called for controller role connections. 10675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Any response message from the peer is passed back through 10685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** the tAVRC_MSG_CBACK callback function. 10695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 10705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Input Parameters: 10715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** handle: Handle of this connection. 10725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 10735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** label: Transaction label. 10745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 10755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** p_msg: Pointer to PASS THROUGH message structure. 10765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 10775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Output Parameters: 10785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** None. 10795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 10805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns AVRC_SUCCESS if successful. 10815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** AVRC_BAD_HANDLE if handle is invalid. 10825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 10835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project******************************************************************************/ 10845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjectUINT16 AVRC_PassCmd(UINT8 handle, UINT8 label, tAVRC_MSG_PASS *p_msg) 10855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 10865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BT_HDR *p_buf; 10875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project WC_ASSERT(p_msg != NULL); 10885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_msg) 10895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 10905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->hdr.ctype = AVRC_CMD_CTRL; 10915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_buf = avrc_pass_msg(p_msg); 10925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_buf) 10935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return AVCT_MsgReq( handle, label, AVCT_CMD, p_buf); 10945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 10955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return AVRC_NO_RESOURCES; 10965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 10975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 10995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 11005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function AVRC_PassRsp 11015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 11025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description Send a PASS THROUGH response to the peer device. This 11035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** function can only be called for target role connections. 11045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** This function must be called when a PASS THROUGH command 11055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** message is received from the peer through the 11065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** tAVRC_MSG_CBACK callback function. 11075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 11085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Input Parameters: 11095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** handle: Handle of this connection. 11105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 11115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** label: Transaction label. Must be the same value as 11125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** passed with the command message in the callback function. 11135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 11145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** p_msg: Pointer to PASS THROUGH message structure. 11155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 11165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Output Parameters: 11175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** None. 11185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 11195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns AVRC_SUCCESS if successful. 11205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** AVRC_BAD_HANDLE if handle is invalid. 11215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 11225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project******************************************************************************/ 11235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjectUINT16 AVRC_PassRsp(UINT8 handle, UINT8 label, tAVRC_MSG_PASS *p_msg) 11245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 11255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BT_HDR *p_buf; 11265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project WC_ASSERT(p_msg != NULL); 11275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_msg) 11285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 11295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_buf = avrc_pass_msg(p_msg); 11305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_buf) 11315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return AVCT_MsgReq( handle, label, AVCT_RSP, p_buf); 11325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 11335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return AVRC_NO_RESOURCES; 11345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 11355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1136