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Diffstat (limited to 'bta/hh/bta_hh_act.c')
| -rw-r--r-- | bta/hh/bta_hh_act.c | 1197 |
1 files changed, 1197 insertions, 0 deletions
diff --git a/bta/hh/bta_hh_act.c b/bta/hh/bta_hh_act.c new file mode 100644 index 0000000..de08096 --- /dev/null +++ b/bta/hh/bta_hh_act.c @@ -0,0 +1,1197 @@ +/****************************************************************************** + * + * 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_KNOWN; 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 */ + bta_hh_cb.cb_index[xx] = BTA_HH_MAX_KNOWN; + } + } + + /* 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_KNOWN; 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) +{ + UINT8 xx; + tBTA_HH_STATUS status = BTA_HH_OK; + + /* Deregister with lower layer */ + if (HID_HostDeregister()!= HID_SUCCESS) + status = BTA_HH_ERR; + + /* free buffer in CB holding report descriptors */ + for(xx = 0; xx < BTA_HH_MAX_KNOWN; xx ++) + { + utl_freebuf((void **)&bta_hh_cb.kdev[xx].dscp_info.descriptor.dsc_list); + } + utl_freebuf((void **)&bta_hh_cb.p_disc_db); + + (* bta_hh_cb.p_cback)(BTA_HH_DISABLE_EVT, (tBTA_HH *)&status); + /* all connections are down, no waiting for diconnect */ + memset(&bta_hh_cb, 0, sizeof(tBTA_HH_CB)); +} +/******************************************************************************* +** +** 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; + + if (result == SDP_SUCCESS) + { + /* 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)) + { + 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); + } + + } + else /* no DI recrod available */ + { + bta_hh_update_di_info(p_cb, BTA_HH_VENDOR_ID_INVALID, 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; + + /* 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_SDP; + } + } + 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); + + /* update SSR settings */ + bta_sys_chg_ssr_config(BTA_ID_HH ,p_cb->app_id, p_cb->dscp_info.ssr_max_latency, p_cb->dscp_info.ssr_min_tout); + /* inform role manager */ + bta_sys_conn_open( BTA_ID_HH ,p_cb->app_id, p_cb->addr); + + /* 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); + + /* 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 (p_cb->state != BTA_HH_CONN_ST ) + { + 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_KNOWN; 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 */ + |