| /****************************************************************************** |
| * |
| * Copyright (C) 2005-2012 Broadcom Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * This file contains the HID host action functions. |
| * |
| ******************************************************************************/ |
| |
| #include "bt_target.h" |
| |
| #if defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE) |
| |
| #include <string.h> |
| |
| #include "bta_sys.h" |
| #include "btm_api.h" |
| #include "l2c_api.h" |
| #include "bta_hh_int.h" |
| #include "bta_hh_co.h" |
| |
| /***************************************************************************** |
| ** Constants |
| *****************************************************************************/ |
| |
| |
| /***************************************************************************** |
| ** Local Function prototypes |
| *****************************************************************************/ |
| static void bta_hh_cback (UINT8 dev_handle, UINT8 event, UINT32 data, |
| BT_HDR *pdata); |
| static tBTA_HH_STATUS bta_hh_get_trans_status(UINT32 result); |
| |
| #if BTA_HH_DEBUG |
| static char* bta_hh_get_w4_event(UINT16 event); |
| static char * bta_hh_hid_event_name(UINT16 event); |
| #endif |
| |
| /***************************************************************************** |
| ** Action Functions |
| *****************************************************************************/ |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_api_enable |
| ** |
| ** Description Perform necessary operations to enable HID host. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_api_enable(tBTA_HH_DATA *p_data) |
| { |
| tBTA_HH_STATUS status = BTA_HH_ERR; |
| UINT8 xx; |
| |
| /* initialize BTE HID */ |
| HID_HostInit(); |
| |
| memset(&bta_hh_cb, 0, sizeof(tBTA_HH_CB)); |
| |
| HID_HostSetSecurityLevel("", p_data->api_enable.sec_mask); |
| |
| /* Register with L2CAP */ |
| if ( HID_HostRegister (bta_hh_cback) == HID_SUCCESS) |
| { |
| /* store parameters */ |
| bta_hh_cb.p_cback = p_data->api_enable.p_cback; |
| |
| status = BTA_HH_OK; |
| /* initialize device CB */ |
| for (xx = 0; xx < BTA_HH_MAX_DEVICE; xx ++) |
| { |
| bta_hh_cb.kdev[xx].state = BTA_HH_IDLE_ST; |
| bta_hh_cb.kdev[xx].hid_handle = BTA_HH_INVALID_HANDLE; |
| bta_hh_cb.kdev[xx].index = xx; |
| } |
| |
| /* initialize control block map */ |
| for (xx = 0; xx < BTA_HH_MAX_KNOWN; xx ++) |
| bta_hh_cb.cb_index[xx] = BTA_HH_IDX_INVALID; |
| } |
| |
| /* signal BTA call back event */ |
| (* bta_hh_cb.p_cback)(BTA_HH_ENABLE_EVT, (tBTA_HH *)&status); |
| } |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_api_disable |
| ** |
| ** Description Perform necessary operations to disable HID host. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_api_disable(void) |
| { |
| UINT8 xx; |
| |
| /* service is not enabled */ |
| if (bta_hh_cb.p_cback == NULL) |
| return; |
| |
| /* no live connection, signal DISC_CMPL_EVT directly */ |
| if (!bta_hh_cb.cnt_num) |
| { |
| bta_hh_disc_cmpl(); |
| } |
| else /* otherwise, disconnect all live connections */ |
| { |
| bta_hh_cb.w4_disable = TRUE; |
| |
| for(xx = 0; xx < BTA_HH_MAX_DEVICE; xx ++) |
| { |
| /* send API_CLOSE event to every connected device */ |
| if ( bta_hh_cb.kdev[xx].state == BTA_HH_CONN_ST ) |
| { |
| /* disconnect all connected devices */ |
| bta_hh_sm_execute(&bta_hh_cb.kdev[xx], |
| BTA_HH_API_CLOSE_EVT, |
| NULL); |
| } |
| } |
| } |
| |
| return; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_disc_cmpl |
| ** |
| ** Description All connections have been closed, disable service. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_disc_cmpl(void) |
| { |
| tBTA_HH_STATUS status = BTA_HH_OK; |
| |
| /* Deregister with lower layer */ |
| if (HID_HostDeregister()!= HID_SUCCESS) |
| status = BTA_HH_ERR; |
| |
| bta_hh_cleanup_disable(status); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_sdp_cback |
| ** |
| ** Description SDP callback function. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void bta_hh_sdp_cback(UINT16 result, UINT16 attr_mask, |
| tHID_DEV_SDP_INFO *sdp_rec ) |
| { |
| tBTA_HH_DEV_CB *p_cb = bta_hh_cb.p_cur; |
| UINT8 hdl; |
| tBTA_HH_STATUS status = BTA_HH_ERR_SDP; |
| |
| /* make sure sdp succeeded and hh has not been disabled */ |
| if ((result == SDP_SUCCESS) && (p_cb != NULL)) |
| { |
| /* security is required for the connection, add attr_mask bit*/ |
| if (p_cb->sec_mask) |
| attr_mask |= HID_SEC_REQUIRED; |
| |
| #if BTA_HH_DEBUG |
| APPL_TRACE_EVENT3("bta_hh_sdp_cback: p_cb: %d result 0x%02x, \ |
| attr_mask 0x%02x", \ |
| p_cb, result, attr_mask); |
| #endif |
| |
| /* check to see type of device is supported , and should not been added before */ |
| if (bta_hh_tod_spt(p_cb, sdp_rec->sub_class)) |
| { |
| /* if not added before */ |
| if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE) |
| { |
| /* add device/update attr_mask information */ |
| if(HID_HostAddDev (p_cb->addr, attr_mask, &hdl) == HID_SUCCESS) |
| { |
| status = BTA_HH_OK; |
| /* update cb_index[] map */ |
| bta_hh_cb.cb_index[hdl] = p_cb->index; |
| } |
| else |
| { |
| p_cb->app_id = 0; |
| } |
| } |
| /* else : incoming connection after SDP should update the SDP information as well */ |
| |
| if (p_cb->app_id != 0) |
| { |
| /* update cb information with attr_mask, dscp_info etc. */ |
| bta_hh_add_device_to_list(p_cb, hdl, attr_mask, |
| &sdp_rec->dscp_info, |
| sdp_rec->sub_class, |
| sdp_rec->ssr_max_latency, |
| sdp_rec->ssr_min_tout, |
| p_cb->app_id); |
| |
| p_cb->dscp_info.ctry_code = sdp_rec->ctry_code; |
| |
| status = BTA_HH_OK; |
| } |
| |
| } |
| else /* type of device is not supported */ |
| status = BTA_HH_ERR_TOD_UNSPT; |
| } |
| |
| /* free disc_db when SDP is completed */ |
| utl_freebuf((void **)&bta_hh_cb.p_disc_db); |
| |
| |
| /* send SDP_CMPL_EVT into state machine */ |
| bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status); |
| |
| return; |
| } |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_di_sdp_cback |
| ** |
| ** Description SDP DI callback function. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void bta_hh_di_sdp_cback(UINT16 result) |
| { |
| tBTA_HH_DEV_CB *p_cb = bta_hh_cb.p_cur; |
| tBTA_HH_STATUS status = BTA_HH_ERR_SDP; |
| tSDP_DI_GET_RECORD di_rec; |
| tHID_STATUS ret; |
| #if BTA_HH_DEBUG |
| APPL_TRACE_EVENT2("bta_hh_di_sdp_cback: p_cb: %d result 0x%02x", p_cb, result); |
| #endif |
| /* if DI record does not exist on remote device, vendor_id in tBTA_HH_DEV_DSCP_INFO will be |
| * set to 0xffff and we will allow the connection to go through. Spec mandates that DI |
| * record be set, but many HID devices do not set this. So for IOP purposes, we allow the |
| * connection to go through and update the DI record to invalid DI entry.*/ |
| if (((result == SDP_SUCCESS) || (result == SDP_NO_RECS_MATCH)) && (p_cb != NULL)) |
| { |
| if(result == SDP_SUCCESS && SDP_GetNumDiRecords(bta_hh_cb.p_disc_db) != 0) |
| { |
| /* always update information with primary DI record */ |
| if (SDP_GetDiRecord(1, &di_rec, bta_hh_cb.p_disc_db) == SDP_SUCCESS) |
| { |
| bta_hh_update_di_info(p_cb, di_rec.rec.vendor, di_rec.rec.product, di_rec.rec.version, 0); |
| } |
| |
| } |
| else /* no DI recrod available */ |
| { |
| bta_hh_update_di_info(p_cb, BTA_HH_VENDOR_ID_INVALID, 0, 0, 0); |
| } |
| |
| if ((ret = HID_HostGetSDPRecord(p_cb->addr, |
| bta_hh_cb.p_disc_db, |
| p_bta_hh_cfg->sdp_db_size, |
| bta_hh_sdp_cback)) == HID_SUCCESS) |
| { |
| status = BTA_HH_OK; |
| } |
| else |
| { |
| #if BTA_HH_DEBUG |
| APPL_TRACE_DEBUG1 ("bta_hh_di_sdp_cback: HID_HostGetSDPRecord failed: Status 0x%2x", |
| ret); |
| #endif |
| } |
| } |
| |
| |
| if (status != BTA_HH_OK) |
| { |
| utl_freebuf((void **)&bta_hh_cb.p_disc_db); |
| /* send SDP_CMPL_EVT into state machine */ |
| bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status); |
| } |
| return; |
| |
| } |
| |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_start_sdp |
| ** |
| ** Description Start SDP service search, and obtain necessary SDP records. |
| ** Only one SDP service search request is allowed at the same |
| ** time. For every BTA_HhOpen API call, do SDP first unless SDP |
| ** has been done previously. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_start_sdp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) |
| { |
| tBTA_HH_STATUS status = BTA_HH_ERR_SDP; |
| UINT8 hdl; |
| |
| p_cb->sec_mask = p_data->api_conn.sec_mask; |
| p_cb->mode = p_data->api_conn.mode; |
| bta_hh_cb.p_cur = p_cb; |
| |
| /* if previously virtually cabled device, skip SDP */ |
| if (p_cb->app_id) |
| { |
| status = BTA_HH_OK; |
| #if BTA_HH_DEBUG |
| APPL_TRACE_DEBUG0("bta_hh_start_sdp:: skip SDP for known devices"); |
| #endif |
| if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE) |
| { |
| if ((HID_HostAddDev (p_cb->addr, p_cb->attr_mask, &hdl)) \ |
| == HID_SUCCESS) |
| { |
| /* update device CB with newly register device handle */ |
| bta_hh_add_device_to_list(p_cb, hdl, p_cb->attr_mask, NULL, |
| p_cb->sub_class, |
| p_cb->dscp_info.ssr_max_latency, |
| p_cb->dscp_info.ssr_min_tout, |
| p_cb->app_id); |
| /* update cb_index[] map */ |
| bta_hh_cb.cb_index[hdl] = p_cb->index; |
| } |
| else |
| status = BTA_HH_ERR_NO_RES; |
| } |
| bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status); |
| |
| return; |
| } |
| /* GetSDPRecord. at one time only one SDP precedure can be active */ |
| else if (!bta_hh_cb.p_disc_db) |
| { |
| bta_hh_cb.p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(p_bta_hh_cfg->sdp_db_size); |
| |
| if (bta_hh_cb.p_disc_db == NULL) |
| { |
| status = BTA_HH_ERR_NO_RES; |
| } |
| else |
| { |
| bta_hh_cb.p_cur = p_cb; |
| /* do DI discovery first */ |
| if (SDP_DiDiscover(p_data->api_conn.bd_addr, |
| bta_hh_cb.p_disc_db, |
| p_bta_hh_cfg->sdp_db_size, |
| bta_hh_di_sdp_cback) != SDP_SUCCESS) |
| { |
| #if BTA_HH_DEBUG |
| APPL_TRACE_DEBUG1 ("bta_hh_start_sdp: SDP_DiDiscover failed: \ |
| Status 0x%2X",status); |
| #endif |
| status = BTA_HH_ERR_SDP; |
| utl_freebuf((void **)&bta_hh_cb.p_disc_db); |
| } |
| else |
| status = BTA_HH_OK; |
| } |
| } |
| |
| if (status != BTA_HH_OK) |
| bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status); |
| |
| return; |
| |
| } |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_sdp_cmpl |
| ** |
| ** Description When SDP completed, initiate a connection or report error depend |
| ** on SDP result. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_sdp_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) |
| { |
| tBTA_HH_CONN conn_dat; |
| tBTA_HH_STATUS status = p_data->status; |
| |
| #if BTA_HH_DEBUG |
| APPL_TRACE_DEBUG1 ("bta_hh_sdp_cmpl: status 0x%2X",p_data->status); |
| #endif |
| |
| /* initialize call back data */ |
| memset((void *)&conn_dat, 0, sizeof(tBTA_HH_CONN)); |
| conn_dat.handle = p_cb->hid_handle; |
| bdcpy(conn_dat.bda, p_cb->addr); |
| |
| /* if SDP compl success */ |
| if ( status == BTA_HH_OK) |
| { |
| /* not incoming connection doing SDP, initiate a HID connection */ |
| if (!p_cb->incoming_conn) |
| { |
| tHID_STATUS ret; |
| /* set security level */ |
| HID_HostSetSecurityLevel("", p_cb->sec_mask); |
| |
| /* open HID connection */ |
| if ((ret = HID_HostOpenDev (p_cb->hid_handle)) != HID_SUCCESS) |
| { |
| #if BTA_HH_DEBUG |
| APPL_TRACE_DEBUG1 ("bta_hh_sdp_cmpl: HID_HostOpenDev failed: \ |
| Status 0x%2X",ret); |
| #endif |
| /* open fail, remove device from management device list */ |
| HID_HostRemoveDev( p_cb->hid_handle); |
| status = BTA_HH_ERR; |
| } |
| else |
| { |
| status = BTA_HH_OK; |
| } |
| } |
| else /* incoming connection SDP finish */ |
| { |
| bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, NULL); |
| } |
| } |
| |
| if (status != BTA_HH_OK) |
| { |
| conn_dat.status = status; |
| |
| (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat); |
| |
| /* move state machine W4_CONN ->IDLE */ |
| bta_hh_sm_execute(p_cb, BTA_HH_API_CLOSE_EVT, NULL); |
| |
| /* if this is an outgoing connection to an unknown device, clean up cb */ |
| if (p_cb->app_id == 0 && !p_cb->incoming_conn) |
| { |
| /* clean up device control block */ |
| bta_hh_clean_up_kdev(p_cb); |
| } |
| |
| #if BTA_HH_DEBUG |
| bta_hh_trace_dev_db(); |
| #endif |
| } |
| |
| return; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_api_disc_act |
| ** |
| ** Description HID Host initiate a disconnection. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_api_disc_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) |
| { |
| tBTA_HH_CBDATA disc_dat; |
| tHID_STATUS status; |
| |
| /* found an active connection */ |
| disc_dat.handle = p_data ?(UINT8)p_data->hdr.layer_specific :p_cb->hid_handle; |
| disc_dat.status = BTA_HH_ERR; |
| |
| status = HID_HostCloseDev(disc_dat.handle); |
| |
| if (status) |
| (* bta_hh_cb.p_cback)(BTA_HH_CLOSE_EVT, (tBTA_HH *)&disc_dat); |
| |
| return; |
| } |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_open_cmpl_act |
| ** |
| ** Description HID host connection completed |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_open_cmpl_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) |
| { |
| tBTA_HH_CONN conn ; |
| UINT8 dev_handle = p_data ? (UINT8)p_data->hid_cback.hdr.layer_specific : \ |
| p_cb->hid_handle; |
| |
| memset((void *)&conn, 0, sizeof (tBTA_HH_CONN)); |
| conn.handle = dev_handle; |
| bdcpy(conn.bda, p_cb->addr); |
| |
| /* increase connection number */ |
| bta_hh_cb.cnt_num ++; |
| |
| /* initialize device driver */ |
| bta_hh_co_open(p_cb->hid_handle, p_cb->sub_class, |
| p_cb->attr_mask, p_cb->app_id); |
| |
| /* set protocol mode when not default report mode */ |
| if (p_cb->mode != BTA_HH_PROTO_RPT_MODE) |
| { |
| if ((HID_HostWriteDev(dev_handle, |
| HID_TRANS_SET_PROTOCOL, HID_PAR_PROTOCOL_BOOT_MODE, |
| 0, |
| 0, NULL)) != HID_SUCCESS) |
| { |
| /* HID connection is up, while SET_PROTO fail */ |
| conn.status = BTA_HH_ERR_PROTO; |
| (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn); |
| } |
| else |
| { |
| conn.status = BTA_HH_OK; |
| p_cb->w4_evt = BTA_HH_OPEN_EVT; |
| } |
| } |
| else |
| (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn); |
| |
| p_cb->incoming_conn = FALSE; |
| |
| } |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_open_act |
| ** |
| ** Description HID host receive HID_OPEN_EVT . |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_open_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) |
| { |
| tBTA_HH_API_CONN conn_data; |
| |
| #if BTA_HH_DEBUG |
| UINT8 dev_handle = p_data ? (UINT8)p_data->hid_cback.hdr.layer_specific : \ |
| p_cb->hid_handle; |
| |
| APPL_TRACE_EVENT1 ("bta_hh_open_act: Device[%d] connected", dev_handle); |
| #endif |
| |
| /* SDP has been done */ |
| if (p_cb->app_id != 0) |
| { |
| bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, p_data); |
| } |
| else |
| /* app_id == 0 indicates an incoming conenction request arrives without SDP |
| performed, do it first */ |
| { |
| p_cb->incoming_conn = TRUE; |
| |
| memset(&conn_data, 0, sizeof(tBTA_HH_API_CONN)); |
| bdcpy(conn_data.bd_addr, p_cb->addr); |
| bta_hh_start_sdp(p_cb, (tBTA_HH_DATA *)&conn_data); |
| } |
| |
| return; |
| } |
| |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_data_act |
| ** |
| ** Description HID Host process a data report |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_data_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data) |
| { |
| BT_HDR *pdata = p_data->hid_cback.p_data; |
| UINT8 *p_rpt = (UINT8 *)(pdata + 1) + pdata->offset; |
| |
| bta_hh_co_data((UINT8)p_data->hid_cback.hdr.layer_specific, p_rpt, pdata->len, |
| p_cb->mode, p_cb->sub_class, p_cb->dscp_info.ctry_code, p_cb->addr, p_cb->app_id); |
| |
| utl_freebuf((void **)&pdata); |
| } |
| |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_handsk_act |
| ** |
| ** Description HID Host process a handshake acknoledgement. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_handsk_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data) |
| { |
| tBTA_HH_CBDATA cback_data ; |
| tBTA_HH_HSDATA hs_data; |
| tBTA_HH_CONN conn ; |
| |
| #if BTA_HH_DEBUG |
| APPL_TRACE_DEBUG2("HANDSHAKE received for: event = %s data= %d", |
| bta_hh_get_w4_event(p_cb->w4_evt), p_data->hid_cback.data); |
| #endif |
| |
| memset(&hs_data, 0, sizeof(tBTA_HH_HSDATA)); |
| |
| switch (p_cb->w4_evt) |
| { |
| /* GET_ transsaction, handshake indicate unsupported request */ |
| case BTA_HH_GET_PROTO_EVT: |
| hs_data.rsp_data.proto_mode = BTA_HH_PROTO_UNKNOWN; |
| /* fall through */ |
| case BTA_HH_GET_RPT_EVT: |
| case BTA_HH_GET_IDLE_EVT : |
| hs_data.handle = p_cb->hid_handle; |
| /* if handshake gives an OK code for these transaction, fill in UNSUPT */ |
| if ((hs_data.status = bta_hh_get_trans_status(p_data->hid_cback.data)) == BTA_HH_OK) |
| hs_data.status = BTA_HH_HS_TRANS_NOT_SPT; |
| |
| (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&hs_data); |
| p_cb->w4_evt = 0; |
| break; |
| |
| /* acknoledgement from HID device for SET_ transaction */ |
| case BTA_HH_SET_RPT_EVT: |
| case BTA_HH_SET_PROTO_EVT: |
| case BTA_HH_SET_IDLE_EVT : |
| cback_data.handle = p_cb->hid_handle; |
| cback_data.status = bta_hh_get_trans_status(p_data->hid_cback.data); |
| (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&cback_data); |
| p_cb->w4_evt = 0; |
| break; |
| |
| /* SET_PROTOCOL when open connection */ |
| case BTA_HH_OPEN_EVT: |
| conn.status =p_data->hid_cback.data ? BTA_HH_ERR_PROTO: BTA_HH_OK; |
| conn.handle = p_cb->hid_handle; |
| bdcpy(conn.bda, p_cb->addr); |
| (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&conn); |
| #if BTA_HH_DEBUG |
| bta_hh_trace_dev_db(); |
| #endif |
| p_cb->w4_evt = 0; |
| break; |
| |
| default: |
| /* unknow transaction handshake response */ |
| APPL_TRACE_DEBUG0("unknown transaction type"); |
| break; |
| } |
| |
| /* transaction achknoledgement received, inform PM for mode change */ |
| bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr); |
| return; |
| } |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_ctrl_dat_act |
| ** |
| ** Description HID Host process a data report from control channel. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_ctrl_dat_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data) |
| { |
| BT_HDR *pdata = p_data->hid_cback.p_data; |
| UINT8 *data = (UINT8 *)(pdata + 1) + pdata->offset; |
| tBTA_HH_HSDATA hs_data; |
| |
| #if BTA_HH_DEBUG |
| APPL_TRACE_DEBUG1("Ctrl DATA received w4: event[%s]", |
| bta_hh_get_w4_event(p_cb->w4_evt)); |
| #endif |
| hs_data.status = BTA_HH_OK; |
| hs_data.handle = p_cb->hid_handle; |
| |
| switch (p_cb->w4_evt) |
| { |
| case BTA_HH_GET_IDLE_EVT: |
| hs_data.rsp_data.idle_rate = *data; |
| break; |
| case BTA_HH_GET_RPT_EVT: |
| hs_data.rsp_data.p_rpt_data = pdata; |
| break; |
| case BTA_HH_GET_PROTO_EVT: |
| /* match up BTE/BTA report/boot mode def*/ |
| hs_data.rsp_data.proto_mode = ((*data) == HID_PAR_PROTOCOL_REPORT)? \ |
| BTA_HH_PROTO_RPT_MODE : BTA_HH_PROTO_BOOT_MODE; |
| #if BTA_HH_DEBUG |
| APPL_TRACE_DEBUG1("GET_PROTOCOL Mode = [%s]", |
| (hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE)? "Report" : "Boot"); |
| #endif |
| break; |
| /* should not expect control DATA for SET_ transaction */ |
| case BTA_HH_SET_PROTO_EVT: |
| /* fall through */ |
| case BTA_HH_SET_RPT_EVT: |
| /* fall through */ |
| case BTA_HH_SET_IDLE_EVT : |
| /* fall through */ |
| default: |
| #if BTA_HH_DEBUG |
| APPL_TRACE_DEBUG1("invalid transaction type for DATA payload: 4_evt[%s]", |
| bta_hh_get_w4_event(p_cb->w4_evt)); |
| #endif |
| break; |
| } |
| |
| /* inform PM for mode change */ |
| bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr); |
| bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr); |
| |
| (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&hs_data); |
| |
| p_cb->w4_evt = 0; |
| utl_freebuf((void **)&pdata); |
| |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_close_act |
| ** |
| ** Description HID Host process a close event |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_close_act (tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) |
| { |
| tBTA_HH_CONN conn_dat ; |
| tBTA_HH_CBDATA disc_dat = {BTA_HH_OK, 0}; |
| UINT32 reason = p_data->hid_cback.data; /* Reason for closing (32-bit) */ |
| |
| /* if HID_HDEV_EVT_VC_UNPLUG was received, report BTA_HH_VC_UNPLUG_EVT */ |
| UINT16 event = p_cb->vp ? BTA_HH_VC_UNPLUG_EVT : BTA_HH_CLOSE_EVT; |
| |
| disc_dat.handle = p_cb->hid_handle; |
| disc_dat.status = p_data->hid_cback.data; |
| |
| /* Check reason for closing */ |
| if ((reason & (HID_L2CAP_CONN_FAIL|HID_L2CAP_REQ_FAIL)) || /* Failure to initialize connection (page timeout or l2cap error) */ |
| (reason == HID_ERR_AUTH_FAILED) || /* Authenication error (while initiating) */ |
| (reason == HID_ERR_L2CAP_FAILED)) /* Failure creating l2cap connection */ |
| { |
| /* Failure in opening connection */ |
| conn_dat.handle = p_cb->hid_handle; |
| conn_dat.status = (reason == HID_ERR_AUTH_FAILED) ? BTA_HH_ERR_AUTH_FAILED : BTA_HH_ERR; |
| bdcpy(conn_dat.bda, p_cb->addr); |
| HID_HostCloseDev(p_cb->hid_handle); |
| |
| /* Report OPEN fail event */ |
| (*bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat); |
| |
| #if BTA_HH_DEBUG |
| bta_hh_trace_dev_db(); |
| #endif |
| return; |
| } |
| /* otherwise report CLOSE/VC_UNPLUG event */ |
| else |
| { |
| /* finaliza device driver */ |
| bta_hh_co_close(p_cb->hid_handle, p_cb->app_id); |
| /* inform role manager */ |
| bta_sys_conn_close( BTA_ID_HH ,p_cb->app_id, p_cb->addr); |
| /* update total conn number */ |
| bta_hh_cb.cnt_num --; |
| |
| if (disc_dat.status) |
| disc_dat.status = BTA_HH_ERR; |
| |
| (*bta_hh_cb.p_cback)(event, (tBTA_HH *)&disc_dat); |
| |
| /* if virtually unplug, remove device */ |
| if (p_cb->vp ) |
| { |
| HID_HostRemoveDev( p_cb->hid_handle); |
| bta_hh_clean_up_kdev(p_cb); |
| } |
| |
| #if BTA_HH_DEBUG |
| bta_hh_trace_dev_db(); |
| #endif |
| } |
| |
| /* clean up control block, but retain SDP info and device handle */ |
| p_cb->vp = FALSE; |
| p_cb->w4_evt = 0; |
| |
| /* if no connection is active and HH disable is signaled, disable service */ |
| if (bta_hh_cb.cnt_num == 0 && bta_hh_cb.w4_disable) |
| { |
| bta_hh_disc_cmpl(); |
| } |
| |
| return; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_get_dscp_act |
| ** |
| ** Description Get device report descriptor |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_get_dscp_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) |
| { |
| (*bta_hh_cb.p_cback)(BTA_HH_GET_DSCP_EVT, (tBTA_HH *)&p_cb->dscp_info); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_maint_dev_act |
| ** |
| ** Description HID Host maintain device list. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_maint_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) |
| { |
| tBTA_HH_MAINT_DEV *p_dev_info = &p_data->api_maintdev; |
| tBTA_HH_DEV_INFO dev_info ; |
| UINT8 dev_handle; |
| |
| dev_info.status = BTA_HH_ERR; |
| dev_info.handle = BTA_HH_INVALID_HANDLE; |
| |
| switch (p_dev_info->sub_event) |
| { |
| case BTA_HH_ADD_DEV_EVT: /* add a device */ |
| bdcpy(dev_info.bda, p_dev_info->bda); |
| /* initialize callback data */ |
| if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE) |
| { |
| if (HID_HostAddDev(p_dev_info->bda, p_dev_info->attr_mask, &dev_handle)\ |
| == HID_SUCCESS) |
| { |
| dev_info.handle = dev_handle; |
| dev_info.status = BTA_HH_OK; |
| |
| /* update DI information */ |
| bta_hh_update_di_info(p_cb, |
| p_dev_info->dscp_info.vendor_id, |
| p_dev_info->dscp_info.product_id, |
| p_dev_info->dscp_info.version, |
| 0); |
| |
| /* add to BTA device list */ |
| bta_hh_add_device_to_list(p_cb, dev_handle, |
| p_dev_info->attr_mask, |
| &p_dev_info->dscp_info.descriptor, |
| p_dev_info->sub_class, |
| p_dev_info->dscp_info.ssr_max_latency, |
| p_dev_info->dscp_info.ssr_min_tout, |
| p_dev_info->app_id); |
| /* update cb_index[] map */ |
| bta_hh_cb.cb_index[dev_handle] = p_cb->index; |
| } |
| } |
| else /* device already been added */ |
| { |
| dev_info.handle = p_cb->hid_handle; |
| dev_info.status = BTA_HH_OK; |
| } |
| #if BTA_HH_DEBUG |
| bta_hh_trace_dev_db(); |
| #endif |
| |
| break; |
| case BTA_HH_RMV_DEV_EVT: /* remove device */ |
| dev_info.handle = (UINT8)p_dev_info->hdr.layer_specific; |
| bdcpy(dev_info.bda, p_cb->addr); |
| |
| { |
| if(HID_HostRemoveDev( dev_info.handle ) == HID_SUCCESS) |
| { |
| dev_info.status = BTA_HH_OK; |
| |
| /* remove from known device list in BTA */ |
| bta_hh_clean_up_kdev(p_cb); |
| } |
| } |
| break; |
| |
| default: |
| APPL_TRACE_DEBUG0("invalid command"); |
| break; |
| } |
| |
| (* bta_hh_cb.p_cback)(p_dev_info->sub_event, (tBTA_HH *)&dev_info); |
| } |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_write_dev_act |
| ** |
| ** Description Write device action. can be SET/GET/DATA transaction. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hh_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) |
| { |
| tBTA_HH_CBDATA cbdata = {BTA_HH_OK, 0}; |
| UINT16 event = (p_data->api_sndcmd.t_type - BTA_HH_FST_BTE_TRANS_EVT) + |
| BTA_HH_FST_TRANS_CB_EVT; |
| |
| cbdata.handle = p_cb->hid_handle; |
| |
| /* match up BTE/BTA report/boot mode def */ |
| if (p_data->api_sndcmd.t_type == HID_TRANS_SET_PROTOCOL) |
| { |
| p_data->api_sndcmd.param = ( p_data->api_sndcmd.param == BTA_HH_PROTO_RPT_MODE) ?\ |
| HID_PAR_PROTOCOL_REPORT :HID_PAR_PROTOCOL_BOOT_MODE; |
| } |
| |
| if (HID_HostWriteDev (p_cb->hid_handle, |
| p_data->api_sndcmd.t_type, |
| p_data->api_sndcmd.param, |
| p_data->api_sndcmd.data, |
| p_data->api_sndcmd.rpt_id, |
| p_data->api_sndcmd.p_data) != HID_SUCCESS) |
| { |
| APPL_TRACE_ERROR0("HID_HostWriteDev Error "); |
| cbdata.status = BTA_HH_ERR; |
| |
| if (p_data->api_sndcmd.t_type != HID_TRANS_CONTROL && |
| p_data->api_sndcmd.t_type != HID_TRANS_DATA) |
| (* bta_hh_cb.p_cback)(event, (tBTA_HH *)&cbdata); |
| else if (p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG) |
| (* bta_hh_cb.p_cback)(BTA_HH_VC_UNPLUG_EVT, (tBTA_HH *)&cbdata); |
| } |
| else |
| { |
| |
| switch(p_data->api_sndcmd.t_type) |
| { |
| case HID_TRANS_SET_PROTOCOL: |
| /* fall through */ |
| case HID_TRANS_GET_REPORT: |
| /* fall through */ |
| case HID_TRANS_SET_REPORT: |
| /* fall through */ |
| case HID_TRANS_GET_PROTOCOL: |
| /* fall through */ |
| case HID_TRANS_GET_IDLE: |
| /* fall through */ |
| case HID_TRANS_SET_IDLE:/* set w4_handsk event name for callback function use */ |
| p_cb->w4_evt = event; |
| break; |
| case HID_TRANS_DATA: /* output report */ |
| /* fall through */ |
| case HID_TRANS_CONTROL: |
| /* no handshake event will be generated */ |
| /* if VC_UNPLUG is issued, set flag */ |
| if (p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG) |
| p_cb->vp = TRUE; |
| |
| break; |
| /* currently not expected */ |
| case HID_TRANS_DATAC: |
| default: |
| APPL_TRACE_DEBUG1("bta_hh_write_dev_act:: cmd type = %d", |
| p_data->api_sndcmd.t_type); |
| break; |
| } |
| |
| /* if not control type transaction, notify PM for energy control */ |
| if (p_data->api_sndcmd.t_type != HID_TRANS_CONTROL) |
| { |
| /* inform PM for mode change */ |
| bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr); |
| bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr); |
| } |
| else if (p_data->api_sndcmd.param == BTA_HH_CTRL_SUSPEND) |
| { |
| bta_sys_sco_close(BTA_ID_HH, p_cb->app_id, p_cb->addr); |
| } |
| else if (p_data->api_sndcmd.param == BTA_HH_CTRL_EXIT_SUSPEND) |
| { |
| bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr); |
| } |
| } |
| |
| |
| return; |
| } |
| |
| /***************************************************************************** |
| ** Static Function |
| *****************************************************************************/ |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_cback |
| ** |
| ** Description BTA HH callback function. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void bta_hh_cback (UINT8 dev_handle, UINT8 event, UINT32 data, |
| BT_HDR *pdata) |
| { |
| tBTA_HH_CBACK_DATA *p_buf = NULL; |
| UINT16 sm_event = BTA_HH_INVALID_EVT; |
| UINT8 xx = 0; |
| |
| #if BTA_HH_DEBUG |
| APPL_TRACE_DEBUG1("bta_hh_cback::HID_event [%s]", bta_hh_hid_event_name(event)); |
| #endif |
| |
| switch (event) |
| { |
| case HID_HDEV_EVT_OPEN: |
| sm_event = BTA_HH_INT_OPEN_EVT; |
| break; |
| case HID_HDEV_EVT_CLOSE: |
| sm_event = BTA_HH_INT_CLOSE_EVT; |
| break; |
| case HID_HDEV_EVT_INTR_DATA: |
| sm_event = BTA_HH_INT_DATA_EVT; |
| break; |
| case HID_HDEV_EVT_HANDSHAKE: |
| sm_event = BTA_HH_INT_HANDSK_EVT; |
| break; |
| case HID_HDEV_EVT_CTRL_DATA: |
| sm_event = BTA_HH_INT_CTRL_DATA; |
| break; |
| case HID_HDEV_EVT_RETRYING: |
| break; |
| case HID_HDEV_EVT_INTR_DATC: |
| case HID_HDEV_EVT_CTRL_DATC: |
| /* Unhandled events: Free buffer for DATAC */ |
| utl_freebuf((void **)&pdata); |
| break; |
| case HID_HDEV_EVT_VC_UNPLUG: |
| for (xx = 0; xx < BTA_HH_MAX_DEVICE; xx++) |
| { |
| if (bta_hh_cb.kdev[xx].hid_handle == dev_handle) |
| { |
| bta_hh_cb.kdev[xx].vp = TRUE; |
| break; |
| } |
| } |
| break; |
| } |
| |
| if (sm_event != BTA_HH_INVALID_EVT && |
| (p_buf = (tBTA_HH_CBACK_DATA *)GKI_getbuf(sizeof(tBTA_HH_CBACK_DATA) + |
| sizeof(BT_HDR))) != NULL) |
| { |
| p_buf->hdr.event = sm_event; |
| p_buf->hdr.layer_specific = (UINT16)dev_handle; |
| p_buf->data = data; |
| p_buf->p_data = pdata; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| } |
| /******************************************************************************* |
| ** |
| ** Function bta_hh_get_trans_status |
| ** |
| ** Description translate a handshake result code into BTA HH |
| ** status code |
| ** |
| *******************************************************************************/ |
| static tBTA_HH_STATUS bta_hh_get_trans_status(UINT32 result) |
| { |
| switch(result) |
| { |
| case HID_PAR_HANDSHAKE_RSP_SUCCESS : /* (0) */ |
| return BTA_HH_OK; |
| case HID_PAR_HANDSHAKE_RSP_NOT_READY : /* (1) */ |
| case HID_PAR_HANDSHAKE_RSP_ERR_INVALID_REP_ID: /* (2) */ |
| case HID_PAR_HANDSHAKE_RSP_ERR_UNSUPPORTED_REQ : /* (3) */ |
| case HID_PAR_HANDSHAKE_RSP_ERR_INVALID_PARAM : /* (4) */ |
| return (tBTA_HH_STATUS)result; |
| case HID_PAR_HANDSHAKE_RSP_ERR_UNKNOWN : /* (14) */ |
| case HID_PAR_HANDSHAKE_RSP_ERR_FATAL : /* (15) */ |
| default: |
| return BTA_HH_HS_ERROR; |
| break; |
| } |
| } |
| /***************************************************************************** |
| ** Debug Functions |
| *****************************************************************************/ |
| |
| #if (defined BTA_HH_DEBUG && BTA_HH_DEBUG == TRUE) |
| static char* bta_hh_get_w4_event(UINT16 event) |
| { |
| switch (event) |
| { |
| case BTA_HH_GET_RPT_EVT: |
| return "BTA_HH_GET_RPT_EVT"; |
| case BTA_HH_SET_RPT_EVT: |
| return "BTA_HH_SET_RPT_EVT"; |
| case BTA_HH_GET_PROTO_EVT: |
| return "BTA_HH_GET_PROTO_EVT"; |
| case BTA_HH_SET_PROTO_EVT: |
| return "BTA_HH_SET_PROTO_EVT"; |
| case BTA_HH_GET_IDLE_EVT: |
| return "BTA_HH_GET_IDLE_EVT"; |
| case BTA_HH_SET_IDLE_EVT: |
| return "BTA_HH_SET_IDLE_EVT"; |
| case BTA_HH_OPEN_EVT: |
| return "BTA_HH_OPEN_EVT"; |
| default: |
| return "Unknown event"; |
| } |
| |
| } |
| |
| static char * bta_hh_hid_event_name(UINT16 event) |
| { |
| switch (event) |
| { |
| case HID_HDEV_EVT_OPEN: |
| return "HID_HDEV_EVT_OPEN"; |
| case HID_HDEV_EVT_CLOSE: |
| return "HID_HDEV_EVT_CLOSE"; |
| case HID_HDEV_EVT_RETRYING: |
| return "HID_HDEV_EVT_RETRYING"; |
| case HID_HDEV_EVT_INTR_DATA: |
| return "HID_HDEV_EVT_INTR_DATA"; |
| case HID_HDEV_EVT_INTR_DATC: |
| return "HID_HDEV_EVT_INTR_DATC"; |
| case HID_HDEV_EVT_CTRL_DATA: |
| return "HID_HDEV_EVT_CTRL_DATA"; |
| case HID_HDEV_EVT_CTRL_DATC: |
| return "HID_HDEV_EVT_CTRL_DATC"; |
| case HID_HDEV_EVT_HANDSHAKE: |
| return "HID_HDEV_EVT_HANDSHAKE"; |
| case HID_HDEV_EVT_VC_UNPLUG: |
| return "HID_HDEV_EVT_VC_UNPLUG"; |
| default: |
| return "Unknown HID event"; |
| } |
| } |
| #endif |
| #endif /* BTA_HH_INCLUDED */ |
| |
