1094234284
This will allow to track how BT core updates the driver. This is required to debug the BT Coexistence mechanism. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
348 lines
11 KiB
C
348 lines
11 KiB
C
/******************************************************************************
|
|
*
|
|
* This file is provided under a dual BSD/GPLv2 license. When using or
|
|
* redistributing this file, you may do so under either license.
|
|
*
|
|
* GPL LICENSE SUMMARY
|
|
*
|
|
* Copyright(c) 2013 Intel Corporation. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of version 2 of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
|
|
* USA
|
|
*
|
|
* The full GNU General Public License is included in this distribution
|
|
* in the file called COPYING.
|
|
*
|
|
* Contact Information:
|
|
* Intel Linux Wireless <ilw@linux.intel.com>
|
|
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
|
|
*
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright(c) 2013 Intel Corporation. All rights reserved.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name Intel Corporation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#include "fw-api-bt-coex.h"
|
|
#include "iwl-modparams.h"
|
|
#include "mvm.h"
|
|
#include "iwl-debug.h"
|
|
|
|
#define EVENT_PRIO_ANT(_evt, _prio, _shrd_ant) \
|
|
[(_evt)] = (((_prio) << BT_COEX_PRIO_TBL_PRIO_POS) | \
|
|
((_shrd_ant) << BT_COEX_PRIO_TBL_SHRD_ANT_POS))
|
|
|
|
static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
|
|
EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB1,
|
|
BT_COEX_PRIO_TBL_PRIO_BYPASS, 0),
|
|
EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB2,
|
|
BT_COEX_PRIO_TBL_PRIO_BYPASS, 1),
|
|
EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW1,
|
|
BT_COEX_PRIO_TBL_PRIO_LOW, 0),
|
|
EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW2,
|
|
BT_COEX_PRIO_TBL_PRIO_LOW, 1),
|
|
EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH1,
|
|
BT_COEX_PRIO_TBL_PRIO_HIGH, 0),
|
|
EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH2,
|
|
BT_COEX_PRIO_TBL_PRIO_HIGH, 1),
|
|
EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_DTIM,
|
|
BT_COEX_PRIO_TBL_DISABLED, 0),
|
|
EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN52,
|
|
BT_COEX_PRIO_TBL_PRIO_COEX_OFF, 0),
|
|
EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN24,
|
|
BT_COEX_PRIO_TBL_PRIO_COEX_ON, 0),
|
|
EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_IDLE,
|
|
BT_COEX_PRIO_TBL_PRIO_COEX_IDLE, 0),
|
|
0, 0, 0, 0, 0, 0,
|
|
};
|
|
|
|
#undef EVENT_PRIO_ANT
|
|
|
|
int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm)
|
|
{
|
|
return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_PRIO_TABLE, CMD_SYNC,
|
|
sizeof(struct iwl_bt_coex_prio_tbl_cmd),
|
|
&iwl_bt_prio_tbl);
|
|
}
|
|
|
|
static int iwl_send_bt_env(struct iwl_mvm *mvm, u8 action, u8 type)
|
|
{
|
|
struct iwl_bt_coex_prot_env_cmd env_cmd;
|
|
int ret;
|
|
|
|
env_cmd.action = action;
|
|
env_cmd.type = type;
|
|
ret = iwl_mvm_send_cmd_pdu(mvm, BT_COEX_PROT_ENV, CMD_SYNC,
|
|
sizeof(env_cmd), &env_cmd);
|
|
if (ret)
|
|
IWL_ERR(mvm, "failed to send BT env command\n");
|
|
return ret;
|
|
}
|
|
|
|
enum iwl_bt_kill_msk {
|
|
BT_KILL_MSK_DEFAULT,
|
|
BT_KILL_MSK_SCO_HID_A2DP,
|
|
BT_KILL_MSK_REDUCED_TXPOW,
|
|
BT_KILL_MSK_MAX,
|
|
};
|
|
|
|
static const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX] = {
|
|
0xffffffff,
|
|
0xfffffc00,
|
|
0,
|
|
};
|
|
|
|
static const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX] = {
|
|
0xffffffff,
|
|
0xfffffc00,
|
|
0,
|
|
};
|
|
|
|
#define IWL_BT_DEFAULT_BOOST (0xf0f0f0f0)
|
|
|
|
/* Tight Coex */
|
|
static const __le32 iwl_tight_lookup[BT_COEX_LUT_SIZE] = {
|
|
cpu_to_le32(0xaaaaaaaa),
|
|
cpu_to_le32(0xaaaaaaaa),
|
|
cpu_to_le32(0xaeaaaaaa),
|
|
cpu_to_le32(0xaaaaaaaa),
|
|
cpu_to_le32(0xcc00ff28),
|
|
cpu_to_le32(0x0000aaaa),
|
|
cpu_to_le32(0xcc00aaaa),
|
|
cpu_to_le32(0x0000aaaa),
|
|
cpu_to_le32(0xc0004000),
|
|
cpu_to_le32(0x00000000),
|
|
cpu_to_le32(0xf0005000),
|
|
cpu_to_le32(0xf0005000),
|
|
};
|
|
|
|
/* Loose Coex */
|
|
static const __le32 iwl_loose_lookup[BT_COEX_LUT_SIZE] = {
|
|
cpu_to_le32(0xaaaaaaaa),
|
|
cpu_to_le32(0xaaaaaaaa),
|
|
cpu_to_le32(0xaeaaaaaa),
|
|
cpu_to_le32(0xaaaaaaaa),
|
|
cpu_to_le32(0xcc00ff28),
|
|
cpu_to_le32(0x0000aaaa),
|
|
cpu_to_le32(0xcc00aaaa),
|
|
cpu_to_le32(0x0000aaaa),
|
|
cpu_to_le32(0x00000000),
|
|
cpu_to_le32(0x00000000),
|
|
cpu_to_le32(0xf0005000),
|
|
cpu_to_le32(0xf0005000),
|
|
};
|
|
|
|
/* Full concurrency */
|
|
static const __le32 iwl_concurrent_lookup[BT_COEX_LUT_SIZE] = {
|
|
cpu_to_le32(0xaaaaaaaa),
|
|
cpu_to_le32(0xaaaaaaaa),
|
|
cpu_to_le32(0xaaaaaaaa),
|
|
cpu_to_le32(0xaaaaaaaa),
|
|
cpu_to_le32(0xaaaaaaaa),
|
|
cpu_to_le32(0xaaaaaaaa),
|
|
cpu_to_le32(0xaaaaaaaa),
|
|
cpu_to_le32(0xaaaaaaaa),
|
|
cpu_to_le32(0x00000000),
|
|
cpu_to_le32(0x00000000),
|
|
cpu_to_le32(0x00000000),
|
|
cpu_to_le32(0x00000000),
|
|
};
|
|
|
|
/* BT Antenna Coupling Threshold (dB) */
|
|
#define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
|
|
|
|
int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
|
|
{
|
|
struct iwl_bt_coex_cmd cmd = {
|
|
.max_kill = 5,
|
|
.bt3_time_t7_value = 1,
|
|
.bt3_prio_sample_time = 2,
|
|
.bt3_timer_t2_value = 0xc,
|
|
};
|
|
int ret;
|
|
|
|
cmd.flags = iwlwifi_mod_params.bt_coex_active ?
|
|
BT_COEX_NW : BT_COEX_DISABLE;
|
|
cmd.flags |= iwlwifi_mod_params.bt_ch_announce ?
|
|
BT_CH_PRIMARY_EN | BT_CH_SECONDARY_EN : 0;
|
|
cmd.flags |= BT_SYNC_2_BT_DISABLE;
|
|
|
|
cmd.valid_bit_msk = cpu_to_le16(BT_VALID_ENABLE |
|
|
BT_VALID_BT_PRIO_BOOST |
|
|
BT_VALID_MAX_KILL |
|
|
BT_VALID_3W_TMRS |
|
|
BT_VALID_KILL_ACK |
|
|
BT_VALID_KILL_CTS |
|
|
BT_VALID_REDUCED_TX_POWER |
|
|
BT_VALID_LUT);
|
|
|
|
if (iwlwifi_mod_params.ant_coupling > IWL_BT_ANTENNA_COUPLING_THRESHOLD)
|
|
memcpy(&cmd.decision_lut, iwl_loose_lookup,
|
|
sizeof(iwl_tight_lookup));
|
|
else
|
|
memcpy(&cmd.decision_lut, iwl_tight_lookup,
|
|
sizeof(iwl_tight_lookup));
|
|
|
|
cmd.bt_prio_boost = cpu_to_le32(IWL_BT_DEFAULT_BOOST);
|
|
cmd.kill_ack_msk =
|
|
cpu_to_le32(iwl_bt_ack_kill_msk[BT_KILL_MSK_DEFAULT]);
|
|
cmd.kill_cts_msk =
|
|
cpu_to_le32(iwl_bt_cts_kill_msk[BT_KILL_MSK_DEFAULT]);
|
|
|
|
/* go to CALIB state in internal BT-Coex state machine */
|
|
ret = iwl_send_bt_env(mvm, BT_COEX_ENV_OPEN,
|
|
BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = iwl_send_bt_env(mvm, BT_COEX_ENV_CLOSE,
|
|
BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return iwl_mvm_send_cmd_pdu(mvm, BT_CONFIG, CMD_SYNC,
|
|
sizeof(cmd), &cmd);
|
|
}
|
|
|
|
struct iwl_bt_notif_iterator_data {
|
|
struct iwl_mvm *mvm;
|
|
struct iwl_bt_coex_profile_notif *notif;
|
|
};
|
|
|
|
static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
|
|
struct ieee80211_vif *vif)
|
|
{
|
|
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
|
|
struct iwl_bt_notif_iterator_data *data = _data;
|
|
struct ieee80211_chanctx_conf *chanctx_conf;
|
|
enum ieee80211_smps_mode smps_mode;
|
|
enum ieee80211_band band;
|
|
|
|
if (vif->type != NL80211_IFTYPE_STATION)
|
|
return;
|
|
|
|
rcu_read_lock();
|
|
chanctx_conf = rcu_dereference(vif->chanctx_conf);
|
|
if (chanctx_conf && chanctx_conf->def.chan)
|
|
band = chanctx_conf->def.chan->band;
|
|
else
|
|
band = -1;
|
|
rcu_read_unlock();
|
|
|
|
if (band != IEEE80211_BAND_2GHZ)
|
|
return;
|
|
|
|
smps_mode = IEEE80211_SMPS_AUTOMATIC;
|
|
|
|
if (data->notif->bt_status)
|
|
smps_mode = IEEE80211_SMPS_DYNAMIC;
|
|
|
|
if (data->notif->bt_traffic_load)
|
|
smps_mode = IEEE80211_SMPS_STATIC;
|
|
|
|
IWL_DEBUG_COEX(data->mvm,
|
|
"mac %d: bt_status %d traffic_load %d smps_req %d\n",
|
|
mvmvif->id, data->notif->bt_status,
|
|
data->notif->bt_traffic_load, smps_mode);
|
|
|
|
ieee80211_request_smps(vif, smps_mode);
|
|
}
|
|
|
|
int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
|
|
struct iwl_rx_cmd_buffer *rxb,
|
|
struct iwl_device_cmd *dev_cmd)
|
|
{
|
|
struct iwl_rx_packet *pkt = rxb_addr(rxb);
|
|
struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data;
|
|
struct iwl_bt_notif_iterator_data data = {
|
|
.mvm = mvm,
|
|
.notif = notif,
|
|
};
|
|
struct iwl_bt_coex_cmd cmd = {};
|
|
enum iwl_bt_kill_msk bt_kill_msk;
|
|
|
|
IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
|
|
IWL_DEBUG_COEX(mvm, "\tBT %salive\n", notif->bt_status ? "" : "not ");
|
|
IWL_DEBUG_COEX(mvm, "\tBT open conn %d\n", notif->bt_open_conn);
|
|
IWL_DEBUG_COEX(mvm, "\tBT traffic load %d\n", notif->bt_traffic_load);
|
|
IWL_DEBUG_COEX(mvm, "\tBT agg traffic load %d\n",
|
|
notif->bt_agg_traffic_load);
|
|
IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance);
|
|
|
|
/* remember this notification for future use: rssi fluctuations */
|
|
memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif));
|
|
|
|
ieee80211_iterate_active_interfaces_atomic(
|
|
mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
|
|
iwl_mvm_bt_notif_iterator, &data);
|
|
|
|
/* Low latency BT profile is active: give higher prio to BT */
|
|
if (BT_MBOX_MSG(notif, 3, SCO_STATE) ||
|
|
BT_MBOX_MSG(notif, 3, A2DP_STATE) ||
|
|
BT_MBOX_MSG(notif, 3, SNIFF_STATE))
|
|
bt_kill_msk = BT_KILL_MSK_SCO_HID_A2DP;
|
|
else
|
|
bt_kill_msk = BT_KILL_MSK_DEFAULT;
|
|
|
|
/* Don't send HCMD if there is no update */
|
|
if (bt_kill_msk == mvm->bt_kill_msk)
|
|
return 0;
|
|
|
|
IWL_DEBUG_COEX(mvm,
|
|
"Udpate kill_msk: %d\n\t SCO %sactive A2DP %sactive SNIFF %sactive\n",
|
|
bt_kill_msk,
|
|
BT_MBOX_MSG(notif, 3, SCO_STATE) ? "" : "in",
|
|
BT_MBOX_MSG(notif, 3, A2DP_STATE) ? "" : "in",
|
|
BT_MBOX_MSG(notif, 3, SNIFF_STATE) ? "" : "in");
|
|
|
|
mvm->bt_kill_msk = bt_kill_msk;
|
|
cmd.kill_ack_msk = cpu_to_le32(iwl_bt_ack_kill_msk[bt_kill_msk]);
|
|
cmd.kill_cts_msk = cpu_to_le32(iwl_bt_cts_kill_msk[bt_kill_msk]);
|
|
|
|
cmd.valid_bit_msk = cpu_to_le16(BT_VALID_KILL_ACK | BT_VALID_KILL_CTS);
|
|
|
|
if (iwl_mvm_send_cmd_pdu(mvm, BT_CONFIG, CMD_SYNC, sizeof(cmd), &cmd))
|
|
IWL_ERR(mvm, "Failed to sent BT Coex CMD\n");
|
|
|
|
/* This handler is ASYNC */
|
|
return 0;
|
|
}
|