/*******************************************************************************
**
** Function bta_dm_search_sm_execute
**
** Description State machine event handling function for DM
**
**
** Returns void
**
*******************************************************************************/
BOOLEAN bta_dm_search_sm_execute(BT_HDR *p_msg)
{
tBTA_DM_ST_TBL state_table;
UINT8 action;
int i;
APPL_TRACE_EVENT2("bta_dm_search_sm_execute state:%d, event:0x%x",
bta_dm_search_cb.state, p_msg->event);
/* look up the state table for the current state */
state_table = bta_dm_search_st_tbl[bta_dm_search_cb.state];
bta_dm_search_cb.state = state_table[p_msg->event & 0x00ff][BTA_DM_SEARCH_NEXT_STATE];
/* execute action functions */
for (i = 0; i < BTA_DM_SEARCH_ACTIONS; i++)
{
if ((action = state_table[p_msg->event & 0x00ff][i]) != BTA_DM_SEARCH_IGNORE)
{
(*bta_dm_search_action[action])( (tBTA_DM_MSG*) p_msg);
}
else
{
break;
}
}
return TRUE;
}
/*******************************************************************************
**
** Function bta_av_sm_execute
**
** Description State machine event handling function for AV
**
**
** Returns void
**
*******************************************************************************/
void bta_av_sm_execute(tBTA_AV_CB *p_cb, UINT16 event, tBTA_AV_DATA *p_data)
{
tBTA_AV_ST_TBL state_table;
UINT8 action;
#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
APPL_TRACE_EVENT4("AV event=0x%x(%s) state=%d(%s)",
event, bta_av_evt_code(event), p_cb->state, bta_av_st_code(p_cb->state));
#else
APPL_TRACE_EVENT2("AV event=0x%x state=%d", event, p_cb->state);
#endif
/* look up the state table for the current state */
state_table = bta_av_st_tbl[p_cb->state];
event &= 0x00FF;
/* set next state */
p_cb->state = state_table[event][BTA_AV_NEXT_STATE];
APPL_TRACE_EVENT1("next state=%d", p_cb->state);
/* execute action functions */
if ((action = state_table[event][BTA_AV_ACTION_COL]) != BTA_AV_IGNORE)
{
(*bta_av_action[action])(p_cb, p_data);
}
}
/*******************************************************************************
**
** Function bta_av_co_audio_codec_build_config
**
** Description Build the codec configuration
**
** Returns TRUE if the codec was built successfully, FALSE otherwise
**
*******************************************************************************/
static BOOLEAN bta_av_co_audio_codec_build_config(const UINT8 *p_codec_caps, UINT8 *p_codec_cfg)
{
FUNC_TRACE();
memset(p_codec_cfg, 0, AVDT_CODEC_SIZE);
switch (bta_av_co_cb.codec_cfg.id)
{
case BTIF_AV_CODEC_SBC:
/* only copy the relevant portions for this codec to avoid issues when
comparing codec configs covering larger codec sets than SBC (7 bytes) */
memcpy(p_codec_cfg, bta_av_co_cb.codec_cfg.info, BTA_AV_CO_SBC_MAX_BITPOOL_OFF+1);
/* Update the bit pool boundaries with the codec capabilities */
p_codec_cfg[BTA_AV_CO_SBC_MIN_BITPOOL_OFF] = p_codec_caps[BTA_AV_CO_SBC_MIN_BITPOOL_OFF];
p_codec_cfg[BTA_AV_CO_SBC_MAX_BITPOOL_OFF] = p_codec_caps[BTA_AV_CO_SBC_MAX_BITPOOL_OFF];
APPL_TRACE_EVENT2("bta_av_co_audio_codec_build_config : bitpool min %d, max %d",
p_codec_cfg[BTA_AV_CO_SBC_MIN_BITPOOL_OFF],
p_codec_caps[BTA_AV_CO_SBC_MAX_BITPOOL_OFF]);
break;
default:
APPL_TRACE_ERROR1("bta_av_co_audio_codec_build_config: unsupported codec id %d", bta_av_co_cb.codec_cfg.id);
return FALSE;
break;
}
return TRUE;
}
/*******************************************************************************
**
** Function bta_av_co_audio_get_sbc_config
**
** Description Retrieves the SBC codec configuration. If the codec in use
** is not SBC, return the default SBC codec configuration.
**
** Returns TRUE if codec is SBC, FALSE otherwise
**
*******************************************************************************/
BOOLEAN bta_av_co_audio_get_sbc_config(tA2D_SBC_CIE *p_sbc_config, UINT16 *p_minmtu)
{
BOOLEAN result = FALSE;
UINT8 index, jndex;
tBTA_AV_CO_PEER *p_peer;
tBTA_AV_CO_SINK *p_sink;
APPL_TRACE_EVENT1("bta_av_co_cb.codec_cfg.id : codec 0x%x", bta_av_co_cb.codec_cfg.id);
/* Minimum MTU is by default very large */
*p_minmtu = 0xFFFF;
GKI_disable();
if (bta_av_co_cb.codec_cfg.id == BTIF_AV_CODEC_SBC)
{
if (A2D_ParsSbcInfo(p_sbc_config, bta_av_co_cb.codec_cfg.info, FALSE) == A2D_SUCCESS)
{
for (index = 0; index < BTA_AV_CO_NUM_ELEMENTS(bta_av_co_cb.peers); index++)
{
p_peer = &bta_av_co_cb.peers[index];
if (p_peer->opened)
{
if (p_peer->mtu < *p_minmtu)
{
*p_minmtu = p_peer->mtu;
}
for (jndex = 0; jndex < p_peer->num_sup_snks; jndex++)
{
p_sink = &p_peer->snks[jndex];
if (p_sink->codec_type == A2D_MEDIA_CT_SBC)
{
/* Update the bitpool boundaries of the current config */
p_sbc_config->min_bitpool =
BTA_AV_CO_MAX(p_sink->codec_caps[BTA_AV_CO_SBC_MIN_BITPOOL_OFF],
p_sbc_config->min_bitpool);
p_sbc_config->max_bitpool =
BTA_AV_CO_MIN(p_sink->codec_caps[BTA_AV_CO_SBC_MAX_BITPOOL_OFF],
p_sbc_config->max_bitpool);
APPL_TRACE_EVENT2("bta_av_co_audio_get_sbc_config : sink bitpool min %d, max %d",
p_sbc_config->min_bitpool, p_sbc_config->max_bitpool);
break;
}
}
}
}
result = TRUE;
}
}
if (!result)
{
/* Not SBC, still return the default values */
*p_sbc_config = btif_av_sbc_default_config;
}
GKI_enable();
return result;
}
/*******************************************************************************
**
** 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 bte_main_enable_lpm
**
** Description BTE MAIN API - Enable/Disable low power mode operation
**
** Returns None
**
******************************************************************************/
void bte_main_enable_lpm(BOOLEAN enable)
{
int result = -1;
if (bt_hc_if)
result = bt_hc_if->lpm( \
(enable == TRUE) ? BT_HC_LPM_ENABLE : BT_HC_LPM_DISABLE \
);
APPL_TRACE_EVENT2("HC lib lpm enable=%d return %d", enable, result);
}
/*******************************************************************************
**
** Function bta_av_co_audio_setconfig
**
** Description This callout function is executed by AV to set the codec and
** content protection configuration of the audio stream.
**
**
** Returns void
**
*******************************************************************************/
BTA_API void bta_av_co_audio_setconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
UINT8 *p_codec_info, UINT8 seid, BD_ADDR addr, UINT8 num_protect, UINT8 *p_protect_info)
{
tBTA_AV_CO_PEER *p_peer;
UINT8 status = A2D_SUCCESS;
UINT8 category = A2D_SUCCESS;
BOOLEAN recfg_needed = FALSE;
FUNC_TRACE();
APPL_TRACE_DEBUG6("bta_av_co_audio_setconfig p_codec_info[%x:%x:%x:%x:%x:%x]",
p_codec_info[1], p_codec_info[2], p_codec_info[3],
p_codec_info[4], p_codec_info[5], p_codec_info[6]);
APPL_TRACE_DEBUG4("num_protect:0x%02x protect_info:0x%02x%02x%02x",
num_protect, p_protect_info[0], p_protect_info[1], p_protect_info[2]);
/* Retrieve the peer info */
p_peer = bta_av_co_get_peer(hndl);
if (p_peer == NULL)
{
APPL_TRACE_ERROR0("bta_av_co_audio_setconfig could not find peer entry");
/* Call call-in rejecting the configuration */
bta_av_ci_setconfig(hndl, A2D_BUSY, AVDT_ASC_CODEC, 0, NULL, FALSE);
return;
}
/* Sanity check: should not be opened at this point */
if (p_peer->opened)
{
APPL_TRACE_ERROR0("bta_av_co_audio_setconfig peer already in use");
}
#if defined(BTA_AV_CO_CP_SCMS_T) && (BTA_AV_CO_CP_SCMS_T == TRUE)
if (num_protect != 0)
{
/* If CP is supported */
if ((num_protect != 1) ||
(bta_av_co_cp_is_scmst(p_protect_info) == FALSE))
{
APPL_TRACE_ERROR0("bta_av_co_audio_setconfig wrong CP configuration");
status = A2D_BAD_CP_TYPE;
category = AVDT_ASC_PROTECT;
}
}
#else
/* Do not support content protection for the time being */
if (num_protect != 0)
{
APPL_TRACE_ERROR0("bta_av_co_audio_setconfig wrong CP configuration");
status = A2D_BAD_CP_TYPE;
category = AVDT_ASC_PROTECT;
}
#endif
if (status == A2D_SUCCESS)
{
/* Check if codec configuration is supported */
if (bta_av_co_audio_media_supports_config(codec_type, p_codec_info))
{
/* Protect access to bta_av_co_cb.codec_cfg */
GKI_disable();
/* Check if the configuration matches the current codec config */
switch (bta_av_co_cb.codec_cfg.id)
{
case BTIF_AV_CODEC_SBC:
if ((codec_type != BTA_AV_CODEC_SBC) || memcmp(p_codec_info, bta_av_co_cb.codec_cfg.info, 5))
{
recfg_needed = TRUE;
}
else if ((num_protect == 1) && (!bta_av_co_cb.cp.active))
{
recfg_needed = TRUE;
}
/* if remote side requests a restricted notify sinks preferred bitpool range as all other params are
already checked for validify */
APPL_TRACE_EVENT2("remote peer setconfig bitpool range [%d:%d]",
p_codec_info[BTA_AV_CO_SBC_MIN_BITPOOL_OFF],
p_codec_info[BTA_AV_CO_SBC_MAX_BITPOOL_OFF] );
bta_av_co_cb.codec_cfg_setconfig.id = BTIF_AV_CODEC_SBC;
memcpy(bta_av_co_cb.codec_cfg_setconfig.info, p_codec_info, AVDT_CODEC_SIZE);
break;
default:
APPL_TRACE_ERROR1("bta_av_co_audio_setconfig unsupported cid %d", bta_av_co_cb.codec_cfg.id);
recfg_needed = TRUE;
break;
}
/* Protect access to bta_av_co_cb.codec_cfg */
GKI_enable();
}
else
{
category = AVDT_ASC_CODEC;
status = A2D_WRONG_CODEC;
}
}
if (status != A2D_SUCCESS)
{
APPL_TRACE_DEBUG2("bta_av_co_audio_setconfig reject s=%d c=%d", status, category);
/* Call call-in rejecting the configuration */
bta_av_ci_setconfig(hndl, status, category, 0, NULL, FALSE);
}
else
{
/* Mark that this is an acceptor peer */
p_peer->acp = TRUE;
p_peer->recfg_needed = recfg_needed;
APPL_TRACE_DEBUG1("bta_av_co_audio_setconfig accept reconf=%d", recfg_needed);
/* Call call-in accepting the configuration */
bta_av_ci_setconfig(hndl, A2D_SUCCESS, A2D_SUCCESS, 0, NULL, recfg_needed);
}
}
