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halbtc8821c1ant.c
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halbtc8821c1ant.c
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/******************************************************************************
*
* Copyright(c) 2016 - 2017 Realtek Corporation.
*
* 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.
*
*****************************************************************************/
#include "mp_precomp.h"
#if (BT_SUPPORT == 1 && COEX_SUPPORT == 1)
#if (RTL8821C_SUPPORT == 1)
static u8 *trace_buf = &gl_btc_trace_buf[0];
const char *const glbt_info_src_8821c_1ant[] = {
"BT Info[wifi fw]",
"BT Info[bt rsp]",
"BT Info[bt auto report]",
};
u32 glcoex_ver_date_8821c_1ant = 20200730;
u32 glcoex_ver_8821c_1ant = 0x51;
u32 glcoex_ver_btdesired_8821c_1ant = 0x50;
u32 glcoex_ver_wldesired_8821c_1ant = 0x170011;
#if 0
static
u8 halbtc8821c1ant_bt_rssi_state(struct btc_coexist *btc, u8 level_num,
u8 rssi_thresh, u8 rssi_thresh1)
{
struct coex_sta_8821c_1ant *coex_sta = &btc->coex_sta_8821c_1ant;
s32 bt_rssi = 0;
u8 bt_rssi_state = coex_sta->pre_bt_rssi_state;
bt_rssi = coex_sta->bt_rssi;
if (level_num == 2) {
if (coex_sta->pre_bt_rssi_state == BTC_RSSI_STATE_LOW ||
coex_sta->pre_bt_rssi_state ==
BTC_RSSI_STATE_STAY_LOW) {
if (bt_rssi >= (rssi_thresh +
BTC_RSSI_COEX_THRESH_TOL_8821C_1ANT))
bt_rssi_state = BTC_RSSI_STATE_HIGH;
else
bt_rssi_state = BTC_RSSI_STATE_STAY_LOW;
} else {
if (bt_rssi < rssi_thresh)
bt_rssi_state = BTC_RSSI_STATE_LOW;
else
bt_rssi_state = BTC_RSSI_STATE_STAY_HIGH;
}
} else if (level_num == 3) {
if (rssi_thresh > rssi_thresh1) {
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], BT Rssi thresh error!!\n");
BTC_TRACE(trace_buf);
return coex_sta->pre_bt_rssi_state;
}
if (coex_sta->pre_bt_rssi_state == BTC_RSSI_STATE_LOW ||
coex_sta->pre_bt_rssi_state ==
BTC_RSSI_STATE_STAY_LOW) {
if (bt_rssi >= (rssi_thresh +
BTC_RSSI_COEX_THRESH_TOL_8821C_1ANT))
bt_rssi_state = BTC_RSSI_STATE_MEDIUM;
else
bt_rssi_state = BTC_RSSI_STATE_STAY_LOW;
} else if (coex_sta->pre_bt_rssi_state ==
BTC_RSSI_STATE_MEDIUM ||
coex_sta->pre_bt_rssi_state ==
BTC_RSSI_STATE_STAY_MEDIUM) {
if (bt_rssi >= (rssi_thresh1 +
BTC_RSSI_COEX_THRESH_TOL_8821C_1ANT))
bt_rssi_state = BTC_RSSI_STATE_HIGH;
else if (bt_rssi < rssi_thresh)
bt_rssi_state = BTC_RSSI_STATE_LOW;
else
bt_rssi_state = BTC_RSSI_STATE_STAY_MEDIUM;
} else {
if (bt_rssi < rssi_thresh1)
bt_rssi_state = BTC_RSSI_STATE_MEDIUM;
else
bt_rssi_state = BTC_RSSI_STATE_STAY_HIGH;
}
}
coex_sta->pre_bt_rssi_state = bt_rssi_state;
return bt_rssi_state;
}
#endif
#if 0
static
u8 halbtc8821c1ant_wifi_rssi_state(struct btc_coexist *btc, u8 index,
u8 level_num, u8 rssi_thresh,
u8 rssi_thresh1)
{
struct coex_sta_8821c_1ant *coex_sta = &btc->coex_sta_8821c_1ant;
s32 wifi_rssi = 0;
u8 wifi_rssi_state = coex_sta->pre_wifi_rssi_state[index];
btc->btc_get(btc, BTC_GET_S4_WIFI_RSSI, &wifi_rssi);
if (level_num == 2) {
if (coex_sta->pre_wifi_rssi_state[index] ==
BTC_RSSI_STATE_LOW ||
coex_sta->pre_wifi_rssi_state[index] ==
BTC_RSSI_STATE_STAY_LOW) {
if (wifi_rssi >= rssi_thresh +
BTC_RSSI_COEX_THRESH_TOL_8821C_1ANT)
wifi_rssi_state = BTC_RSSI_STATE_HIGH;
else
wifi_rssi_state = BTC_RSSI_STATE_STAY_LOW;
} else {
if (wifi_rssi < rssi_thresh)
wifi_rssi_state = BTC_RSSI_STATE_LOW;
else
wifi_rssi_state = BTC_RSSI_STATE_STAY_HIGH;
}
} else if (level_num == 3) {
if (rssi_thresh > rssi_thresh1) {
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], wifi RSSI thresh error!!\n");
BTC_TRACE(trace_buf);
return coex_sta->pre_wifi_rssi_state[index];
}
if (coex_sta->pre_wifi_rssi_state[index] ==
BTC_RSSI_STATE_LOW ||
coex_sta->pre_wifi_rssi_state[index] ==
BTC_RSSI_STATE_STAY_LOW) {
if (wifi_rssi >= rssi_thresh +
BTC_RSSI_COEX_THRESH_TOL_8821C_1ANT)
wifi_rssi_state = BTC_RSSI_STATE_MEDIUM;
else
wifi_rssi_state = BTC_RSSI_STATE_STAY_LOW;
} else if (coex_sta->pre_wifi_rssi_state[index] ==
BTC_RSSI_STATE_MEDIUM ||
coex_sta->pre_wifi_rssi_state[index] ==
BTC_RSSI_STATE_STAY_MEDIUM) {
if (wifi_rssi >= rssi_thresh1 +
BTC_RSSI_COEX_THRESH_TOL_8821C_1ANT)
wifi_rssi_state = BTC_RSSI_STATE_HIGH;
else if (wifi_rssi < rssi_thresh)
wifi_rssi_state = BTC_RSSI_STATE_LOW;
else
wifi_rssi_state = BTC_RSSI_STATE_STAY_MEDIUM;
} else {
if (wifi_rssi < rssi_thresh1)
wifi_rssi_state = BTC_RSSI_STATE_MEDIUM;
else
wifi_rssi_state = BTC_RSSI_STATE_STAY_HIGH;
}
}
coex_sta->pre_wifi_rssi_state[index] = wifi_rssi_state;
return wifi_rssi_state;
}
#endif
static void
halbtc8821c1ant_limited_tx(struct btc_coexist *btc, boolean force_exec,
boolean tx_limit_en, boolean ampdu_limit_en)
{
struct coex_sta_8821c_1ant *coex_sta = &btc->coex_sta_8821c_1ant;
struct wifi_link_info_8821c_1ant *wifi_link_info_ext =
&btc->wifi_link_info_8821c_1ant;
boolean wifi_under_b_mode = FALSE;
/* Force Max Tx retry limit = 8*/
if (!coex_sta->wl_tx_limit_en) {
coex_sta->wl_0x430_backup = btc->btc_read_4byte(btc, 0x430);
coex_sta->wl_0x434_backup = btc->btc_read_4byte(btc, 0x434);
coex_sta->wl_0x42a_backup = btc->btc_read_2byte(btc, 0x42a);
}
if (!coex_sta->wl_ampdu_limit_en)
coex_sta->wl_0x455_backup = btc->btc_read_1byte(btc, 0x455);
if (!force_exec && tx_limit_en == coex_sta->wl_tx_limit_en &&
ampdu_limit_en == coex_sta->wl_ampdu_limit_en)
return;
coex_sta->wl_tx_limit_en = tx_limit_en;
coex_sta->wl_ampdu_limit_en = ampdu_limit_en;
if (tx_limit_en) {
/* Set BT polluted packet on for Tx rate adaptive not
* including Tx retry break by PTA, 0x45c[19] =1
* Set queue life time to avoid can't reach tx retry limit
* if tx is always break by GNT_BT.
*/
btc->btc_write_1byte_bitmask(btc, 0x45e, 0x8, 0x1);
btc->btc_write_1byte_bitmask(btc, 0x426, 0xf, 0xf);
/* Max Tx retry limit = 8*/
btc->btc_write_2byte(btc, 0x42a, 0x0808);
btc->btc_get(btc, BTC_GET_BL_WIFI_UNDER_B_MODE,
&wifi_under_b_mode);
/* Auto rate fallback step within 8 retry*/
if (wifi_under_b_mode) {
btc->btc_write_4byte(btc, 0x430, 0x1000000);
btc->btc_write_4byte(btc, 0x434, 0x1010101);
} else {
btc->btc_write_4byte(btc, 0x430, 0x1000000);
btc->btc_write_4byte(btc, 0x434, 0x4030201);
}
} else {
/* Set BT polluted packet on for Tx rate adaptive not
*including Tx retry break by PTA, 0x45c[19] =1
*/
btc->btc_write_1byte_bitmask(btc, 0x45e, 0x8, 0x0);
btc->btc_write_1byte_bitmask(btc, 0x426, 0xf, 0x0);
/* Set queue life time to avoid can't reach tx retry limit
* if tx is always break by GNT_BT.
*/
if (wifi_link_info_ext->num_of_active_port == 1)
btc->btc_write_1byte_bitmask(btc, 0x426, 0xf, 0x0);
/* Recovery Max Tx retry limit*/
btc->btc_write_2byte(btc, 0x42a, coex_sta->wl_0x42a_backup);
btc->btc_write_4byte(btc, 0x430, coex_sta->wl_0x430_backup);
btc->btc_write_4byte(btc, 0x434, coex_sta->wl_0x434_backup);
}
if (ampdu_limit_en)
btc->btc_write_1byte(btc, 0x455, 0x20);
else
btc->btc_write_1byte(btc, 0x455, coex_sta->wl_0x455_backup);
}
static void
halbtc8821c1ant_limited_rx(struct btc_coexist *btc, boolean force_exec,
boolean rej_ap_agg_pkt, boolean bt_ctrl_agg_buf_size,
u8 agg_buf_size)
{
#if 1
struct coex_sta_8821c_1ant *coex_sta = &btc->coex_sta_8821c_1ant;
boolean reject_rx_agg = rej_ap_agg_pkt;
boolean bt_ctrl_rx_agg_size = bt_ctrl_agg_buf_size;
u8 rx_agg_size = agg_buf_size;
if (!force_exec &&
bt_ctrl_agg_buf_size == coex_sta->wl_rxagg_limit_en &&
agg_buf_size == coex_sta->wl_rxagg_size)
return;
coex_sta->wl_rxagg_limit_en = bt_ctrl_agg_buf_size;
coex_sta->wl_rxagg_size = agg_buf_size;
/*btc->btc_set(btc, BTC_SET_BL_TO_REJ_AP_AGG_PKT, &reject_rx_agg);*/
/* decide BT control aggregation buf size or not */
btc->btc_set(btc, BTC_SET_BL_BT_CTRL_AGG_SIZE, &bt_ctrl_rx_agg_size);
/* aggregation buf size, only work
* when BT control Rx aggregation size
*/
btc->btc_set(btc, BTC_SET_U1_AGG_BUF_SIZE, &rx_agg_size);
/* real update aggregation setting */
btc->btc_set(btc, BTC_SET_ACT_AGGREGATE_CTRL, NULL);
#endif
}
static void
halbtc8821c1ant_ccklock_action(struct btc_coexist *btc)
{
struct coex_sta_8821c_1ant *coex_sta = &btc->coex_sta_8821c_1ant;
struct btc_bt_link_info *bt_link_info = &btc->bt_link_info;
u8 h2c_parameter[2] = {0};
static u8 cnt;
boolean wifi_busy = FALSE;
btc->btc_get(btc, BTC_GET_BL_WIFI_BUSY, &wifi_busy);
if (bt_link_info->a2dp_exist && coex_sta->bt_ble_hid_exist) {
if (!coex_sta->is_no_wl_5ms_extend) {
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], set h2c 0x69 opcode 12 to turn off 5ms WL slot extend!!\n");
BTC_TRACE(trace_buf);
h2c_parameter[0] = 0xc;
h2c_parameter[1] = 0x1;
btc->btc_fill_h2c(btc, 0x69, 2, h2c_parameter);
coex_sta->is_no_wl_5ms_extend = TRUE;
cnt = 0;
}
return;
}
if (!coex_sta->gl_wifi_busy ||
coex_sta->wl_iot_peer == BTC_IOT_PEER_CISCO) {
cnt = 0;
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], wifi is not busy or CISCO AP, return!!\n");
BTC_TRACE(trace_buf);
return;
}
if (!coex_sta->is_no_wl_5ms_extend && coex_sta->force_lps_ctrl &&
!coex_sta->cck_lock_ever) {
if (coex_sta->wl_fw_dbg_info[7] <= 5 && wifi_busy)
cnt++;
else
cnt = 0;
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], 5ms WL slot extend cnt = %d!!\n", cnt);
BTC_TRACE(trace_buf);
if (cnt == 7) {
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], set h2c 0x69 opcode 12 to turn off 5ms WL slot extend!!\n");
BTC_TRACE(trace_buf);
h2c_parameter[0] = 0xc;
h2c_parameter[1] = 0x1;
btc->btc_fill_h2c(btc, 0x69, 2, h2c_parameter);
coex_sta->is_no_wl_5ms_extend = TRUE;
cnt = 0;
}
} else if (coex_sta->is_no_wl_5ms_extend && coex_sta->cck_lock) {
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], set h2c 0x69 opcode 12 to turn on 5ms WL slot extend!!\n");
BTC_TRACE(trace_buf);
h2c_parameter[0] = 0xc;
h2c_parameter[1] = 0x0;
btc->btc_fill_h2c(btc, 0x69, 2, h2c_parameter);
coex_sta->is_no_wl_5ms_extend = FALSE;
}
}
static void
halbtc8821c1ant_ccklock_detect(struct btc_coexist *btc)
{
struct coex_sta_8821c_1ant *coex_sta = &btc->coex_sta_8821c_1ant;
struct coex_dm_8821c_1ant *coex_dm = &btc->coex_dm_8821c_1ant;
struct wifi_link_info_8821c_1ant *link_info_ext =
&btc->wifi_link_info_8821c_1ant;
boolean is_cck_lock_rate = FALSE;
if (coex_dm->bt_status == BTC_BTSTATUS_INQ_PAGE ||
coex_sta->is_setup_link)
return;
if (coex_sta->wl_rx_rate <= BTC_CCK_2 ||
coex_sta->wl_rts_rx_rate <= BTC_CCK_2)
is_cck_lock_rate = TRUE;
if (link_info_ext->is_connected && coex_sta->gl_wifi_busy &&
(coex_dm->bt_status == BT_8821C_1ANT_BSTATUS_ACL_BUSY ||
coex_dm->bt_status == BT_8821C_1ANT_BSTATUS_ACL_SCO_BUSY ||
coex_dm->bt_status == BT_8821C_1ANT_BSTATUS_SCO_BUSY)) {
if (is_cck_lock_rate) {
coex_sta->cck_lock = TRUE;
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], cck locking...\n");
BTC_TRACE(trace_buf);
} else {
coex_sta->cck_lock = FALSE;
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], cck unlock...\n");
BTC_TRACE(trace_buf);
}
} else {
coex_sta->cck_lock = FALSE;
}
}
static void
halbtc8821c1ant_set_tdma_timer_base(struct btc_coexist *btc, u8 type)
{
struct coex_sta_8821c_1ant *coex_sta = &btc->coex_sta_8821c_1ant;
u16 tbtt_interval = 100;
u8 h2c_para[2] = {0xb, 0x1};
btc->btc_get(btc, BTC_GET_U2_BEACON_PERIOD, &tbtt_interval);
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], tbtt_interval = %d\n", tbtt_interval);
BTC_TRACE(trace_buf);
/* Add for JIRA coex-256 */
if (type == 3 && tbtt_interval >= 100) { /* 50ms-slot */
if (coex_sta->tdma_timer_base == 3)
return;
h2c_para[1] = (tbtt_interval / 50) - 1;
h2c_para[1] = h2c_para[1] | 0xc0; /* 50ms-slot */
coex_sta->tdma_timer_base = 3;
} else if (tbtt_interval < 80 && tbtt_interval > 0) {
if (coex_sta->tdma_timer_base == 2)
return;
h2c_para[1] = (100 / tbtt_interval);
if (100 % tbtt_interval != 0)
h2c_para[1] = h2c_para[1] + 1;
h2c_para[1] = h2c_para[1] & 0x3f;
coex_sta->tdma_timer_base = 2;
} else if (tbtt_interval >= 180) {
if (coex_sta->tdma_timer_base == 1)
return;
h2c_para[1] = (tbtt_interval / 100);
if (tbtt_interval % 100 <= 80)
h2c_para[1] = h2c_para[1] - 1;
h2c_para[1] = h2c_para[1] & 0x3f;
h2c_para[1] = h2c_para[1] | 0x80;
coex_sta->tdma_timer_base = 1;
} else {
if (coex_sta->tdma_timer_base == 0)
return;
h2c_para[1] = 0x1;
coex_sta->tdma_timer_base = 0;
}
btc->btc_fill_h2c(btc, 0x69, 2, h2c_para);
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], %s() h2c_0x69 = 0x%x\n", __func__, h2c_para[1]);
BTC_TRACE(trace_buf);
}
static
void halbtc8821c1ant_low_penalty_ra(struct btc_coexist *btc,
boolean force_exec, boolean low_penalty_ra,
u8 thres)
{
struct coex_dm_8821c_1ant *coex_dm = &btc->coex_dm_8821c_1ant;
static u8 cur_thres;
if (!force_exec) {
if (low_penalty_ra == coex_dm->cur_low_penalty_ra &&
thres == cur_thres)
return;
}
if (low_penalty_ra)
btc->btc_phydm_modify_RA_PCR_threshold(btc, 0, thres);
else
btc->btc_phydm_modify_RA_PCR_threshold(btc, 0, 0);
coex_dm->cur_low_penalty_ra = low_penalty_ra;
cur_thres = thres;
}
static
void halbtc8821c1ant_write_scbd(struct btc_coexist *btc, u16 bitpos,
boolean state)
{
struct coex_sta_8821c_1ant *coex_sta = &btc->coex_sta_8821c_1ant;
static u16 originalval = 0x8002, preval;
if (state)
originalval = originalval | bitpos;
else
originalval = originalval & (~bitpos);
coex_sta->score_board_WB = originalval;
if (originalval != preval) {
preval = originalval;
btc->btc_write_2byte(btc, 0xaa, originalval);
} else {
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], %s: return for nochange\n", __func__);
BTC_TRACE(trace_buf);
}
}
static
void halbtc8821c1ant_read_scbd(struct btc_coexist *btc,
u16 *score_board_val)
{
*score_board_val = (btc->btc_read_2byte(btc, 0xaa)) & 0x7fff;
}
static
void halbtc8821c1ant_query_bt_info(struct btc_coexist *btc)
{
struct coex_sta_8821c_1ant *coex_sta = &btc->coex_sta_8821c_1ant;
u8 h2c_parameter[1] = {0};
if (coex_sta->bt_disabled) {
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], No query BT info because BT is disabled!\n");
BTC_TRACE(trace_buf);
return;
}
h2c_parameter[0] |= BIT(0); /* trigger */
btc->btc_fill_h2c(btc, 0x61, 1, h2c_parameter);
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], WL query BT info!!\n");
BTC_TRACE(trace_buf);
}
static
void halbtc8821c1ant_enable_gnt_to_gpio(struct btc_coexist *btc,
boolean isenable)
{
static u8 bit_val[5] = {0, 0, 0, 0, 0};
static boolean state;
if (!btc->dbg_mode)
return;
if (state == isenable)
return;
state = isenable;
if (isenable) {
/* enable GNT_WL, GNT_BT to GPIO for debug */
btc->btc_write_1byte_bitmask(btc, 0x73, 0x8, 0x1);
/* store original value */
/*0x66[4] */
bit_val[0] = (btc->btc_read_1byte(btc, 0x66) & BIT(4)) >> 4;
/*0x66[8] */
bit_val[1] = (btc->btc_read_1byte(btc, 0x67) & BIT(0));
/*0x40[19] */
bit_val[2] = (btc->btc_read_1byte(btc, 0x42) & BIT(3)) >> 3;
/*0x64[15] */
bit_val[3] = (btc->btc_read_1byte(btc, 0x65) & BIT(7)) >> 7;
/*0x70[18] */
bit_val[4] = (btc->btc_read_1byte(btc, 0x72) & BIT(2)) >> 2;
/* switch GPIO Mux */
/*0x66[4] = 0 */
btc->btc_write_1byte_bitmask(btc, 0x66, BIT(4), 0x0);
/*0x66[8] = 0 */
btc->btc_write_1byte_bitmask(btc, 0x67, BIT(0), 0x0);
/*0x40[19] = 0 */
btc->btc_write_1byte_bitmask(btc, 0x42, BIT(3), 0x0);
/*0x64[15] = 0 */
btc->btc_write_1byte_bitmask(btc, 0x65, BIT(7), 0x0);
/*0x70[18] = 0 */
btc->btc_write_1byte_bitmask(btc, 0x72, BIT(2), 0x0);
} else {
btc->btc_write_1byte_bitmask(btc, 0x73, 0x8, 0x0);
/* Restore original value */
/* switch GPIO Mux */
/*0x66[4] = 0 */
btc->btc_write_1byte_bitmask(btc, 0x66, BIT(4), bit_val[0]);
/*0x66[8] = 0 */
btc->btc_write_1byte_bitmask(btc, 0x67, BIT(0), bit_val[1]);
/*0x40[19] = 0 */
btc->btc_write_1byte_bitmask(btc, 0x42, BIT(3), bit_val[2]);
/*0x64[15] = 0 */
btc->btc_write_1byte_bitmask(btc, 0x65, BIT(7), bit_val[3]);
/*0x70[18] = 0 */
btc->btc_write_1byte_bitmask(btc, 0x72, BIT(2), bit_val[4]);
}
}
static
boolean halbtc8821c1ant_monitor_bt_ctr(struct btc_coexist *btc)
{
struct coex_sta_8821c_1ant *coex_sta = &btc->coex_sta_8821c_1ant;
struct coex_dm_8821c_1ant *coex_dm = &btc->coex_dm_8821c_1ant;
u32 reg_hp_txrx, reg_lp_txrx, u32tmp, cnt_bt_all;
u32 reg_hp_tx = 0, reg_hp_rx = 0, reg_lp_tx = 0, reg_lp_rx = 0;
static u8 cnt_overhead;
static u32 cnt_bt_pre = 0;
struct btc_bt_link_info *bt_link_info = &btc->bt_link_info;
boolean is_run_coex = FALSE;
/* to avoid 0x76e[3] = 1 (WLAN_Act control by PTA) during IPS */
/* if (! (btc->btc_read_1byte(btc, 0x76e) & 0x8) ) */
reg_hp_txrx = 0x770;
reg_lp_txrx = 0x774;
u32tmp = btc->btc_read_4byte(btc, reg_hp_txrx);
reg_hp_tx = u32tmp & MASKLWORD;
reg_hp_rx = (u32tmp & MASKHWORD) >> 16;
u32tmp = btc->btc_read_4byte(btc, reg_lp_txrx);
reg_lp_tx = u32tmp & MASKLWORD;
reg_lp_rx = (u32tmp & MASKHWORD) >> 16;
coex_sta->high_priority_tx = reg_hp_tx;
coex_sta->high_priority_rx = reg_hp_rx;
coex_sta->low_priority_tx = reg_lp_tx;
coex_sta->low_priority_rx = reg_lp_rx;
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], Hi-Pri Rx/Tx: %d/%d, Lo-Pri Rx/Tx: %d/%d\n",
reg_hp_rx, reg_hp_tx, reg_lp_rx, reg_lp_tx);
BTC_TRACE(trace_buf);
/* reset counter */
btc->btc_write_1byte(btc, 0x76e, 0xc);
if (coex_sta->under_lps || coex_sta->under_ips ||
(coex_sta->high_priority_tx == 65535 &&
coex_sta->high_priority_rx == 65535 &&
coex_sta->low_priority_tx == 65535 &&
coex_sta->low_priority_rx == 65535))
coex_sta->bt_ctr_ok = FALSE;
else
coex_sta->bt_ctr_ok = TRUE;
if (!coex_sta->bt_ctr_ok)
return FALSE;
if (coex_dm->bt_status == BT_8821C_1ANT_BSTATUS_NCON_IDLE) {
if (coex_sta->high_priority_rx >= 15) {
if (cnt_overhead < 3)
cnt_overhead++;
if (cnt_overhead == 3)
coex_sta->is_hi_pri_rx_overhead = TRUE;
} else {
if (cnt_overhead > 0)
cnt_overhead--;
if (cnt_overhead == 0)
coex_sta->is_hi_pri_rx_overhead = FALSE;
}
} else {
coex_sta->is_hi_pri_rx_overhead = FALSE;
}
if (coex_sta->low_priority_tx > 1150 && !coex_sta->c2h_bt_inquiry_page)
coex_sta->pop_event_cnt++;
if (bt_link_info->hid_only) {
if (coex_sta->low_priority_tx > 100)
coex_sta->is_hid_low_pri_tx_overhead = true;
else
coex_sta->is_hid_low_pri_tx_overhead = false;
}
cnt_bt_all = coex_sta->high_priority_tx +
coex_sta->high_priority_rx +
coex_sta->low_priority_tx +
coex_sta->low_priority_rx;
if ((cnt_bt_pre > (cnt_bt_all + 50) ||
cnt_bt_all > (cnt_bt_pre + 50)) &&
coex_dm->bt_status == BT_8821C_1ANT_BSTATUS_NCON_IDLE)
is_run_coex = TRUE;
cnt_bt_pre = cnt_bt_all;
return is_run_coex;
}
static
void halbtc8821c1ant_monitor_wifi_ctr(struct btc_coexist *btc)
{
struct coex_sta_8821c_1ant *coex_sta = &btc->coex_sta_8821c_1ant;
struct coex_dm_8821c_1ant *coex_dm = &btc->coex_dm_8821c_1ant;
boolean wifi_busy = FALSE, wifi_scan = FALSE;
static u8 wl_noisy_count0, wl_noisy_count1 = 3, wl_noisy_count2;
u32 cnt_cck, fw_ver = 0;
static u8 cnt_ccklocking;
u8 h2c_parameter[1] = {0};
btc->btc_get(btc, BTC_GET_BL_WIFI_BUSY, &wifi_busy);
btc->btc_get(btc, BTC_GET_BL_WIFI_SCAN, &wifi_scan);
btc->btc_get(btc, BTC_GET_U4_WIFI_FW_VER, &fw_ver);
/* Only enable for windows in old fw version (COEX-308)
* because 8821cu H2C 0x69 unknown fail @ linux
*/
if (btc->chip_interface != BTC_INTF_USB ||
(fw_ver < 0x170000 && fw_ver < 0x17000c) ||
(fw_ver < 0x180000 && fw_ver < 0x180009) ||
(fw_ver < 0x190000 && fw_ver < 0x190002)) {
/*send h2c to query WL FW dbg info */
if (coex_dm->cur_ps_tdma_on) {
h2c_parameter[0] = 0x8;
btc->btc_fill_h2c(btc, 0x69, 1, h2c_parameter);
}
}
coex_sta->crc_ok_cck =
btc->btc_phydm_query_PHY_counter(btc, PHYDM_INFO_CRC32_OK_CCK);
coex_sta->crc_ok_11g =
btc->btc_phydm_query_PHY_counter(btc, PHYDM_INFO_CRC32_OK_LEGACY);
coex_sta->crc_ok_11n =
btc->btc_phydm_query_PHY_counter(btc, PHYDM_INFO_CRC32_OK_HT);
coex_sta->crc_ok_11n_vht =
btc->btc_phydm_query_PHY_counter(btc, PHYDM_INFO_CRC32_OK_VHT);
coex_sta->crc_err_cck =
btc->btc_phydm_query_PHY_counter(btc, PHYDM_INFO_CRC32_ERROR_CCK);
coex_sta->crc_err_11g =
btc->btc_phydm_query_PHY_counter(btc, PHYDM_INFO_CRC32_ERROR_LEGACY);
coex_sta->crc_err_11n =
btc->btc_phydm_query_PHY_counter(btc, PHYDM_INFO_CRC32_ERROR_HT);
coex_sta->crc_err_11n_vht =
btc->btc_phydm_query_PHY_counter(btc, PHYDM_INFO_CRC32_ERROR_VHT);
/* CCK lock identification */
if (coex_sta->cck_lock)
cnt_ccklocking++;
else if (cnt_ccklocking != 0)
cnt_ccklocking--;
if (cnt_ccklocking >= 3) {
cnt_ccklocking = 3;
coex_sta->cck_lock_ever = TRUE;
}
/* WiFi environment noisy identification */
cnt_cck = coex_sta->crc_ok_cck + coex_sta->crc_err_cck;
if (!wifi_busy && !coex_sta->cck_lock) {
if (cnt_cck > 250) {
if (wl_noisy_count2 < 3)
wl_noisy_count2++;
if (wl_noisy_count2 == 3) {
wl_noisy_count0 = 0;
wl_noisy_count1 = 0;
}
} else if (cnt_cck < 100) {
if (wl_noisy_count0 < 3)
wl_noisy_count0++;
if (wl_noisy_count0 == 3) {
wl_noisy_count1 = 0;
wl_noisy_count2 = 0;
}
} else {
if (wl_noisy_count1 < 3)
wl_noisy_count1++;
if (wl_noisy_count1 == 3) {
wl_noisy_count0 = 0;
wl_noisy_count2 = 0;
}
}
if (wl_noisy_count2 == 3)
coex_sta->wl_noisy_level = 2;
else if (wl_noisy_count1 == 3)
coex_sta->wl_noisy_level = 1;
else
coex_sta->wl_noisy_level = 0;
}
}
static
void halbtc8821c1ant_monitor_bt_enable(struct btc_coexist *btc)
{
struct coex_sta_8821c_1ant *coex_sta = &btc->coex_sta_8821c_1ant;
static u32 bt_disable_cnt;
boolean bt_active = TRUE, bt_disabled = FALSE;
u16 u16tmp;
/* Read BT on/off status from scoreboard[1],
* enable this only if BT patch support this feature
*/
halbtc8821c1ant_read_scbd(btc, &u16tmp);
bt_active = u16tmp & BIT(1);
if (bt_active) {
bt_disable_cnt = 0;
bt_disabled = FALSE;
btc->btc_set(btc, BTC_SET_BL_BT_DISABLE, &bt_disabled);
} else {
bt_disable_cnt++;
if (bt_disable_cnt >= 2) {
bt_disabled = TRUE;
bt_disable_cnt = 2;
}
btc->btc_set(btc, BTC_SET_BL_BT_DISABLE, &bt_disabled);
}
if (coex_sta->bt_disabled != bt_disabled) {
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], BT is from %s to %s!!\n",
(coex_sta->bt_disabled ? "disabled" : "enabled"),
(bt_disabled ? "disabled" : "enabled"));
BTC_TRACE(trace_buf);
coex_sta->bt_disabled = bt_disabled;
/*for win10 BT disable->enable trigger wifi scan issue */
if (!coex_sta->bt_disabled) {
coex_sta->is_bt_reenable = TRUE;
coex_sta->cnt_bt_reenable = 15;
} else {
coex_sta->is_bt_reenable = FALSE;
coex_sta->cnt_bt_reenable = 0;
}
}
}
static
boolean halbtc8821c1ant_moniter_wifibt_status(struct btc_coexist *btc)
{
struct coex_sta_8821c_1ant *coex_sta = &btc->coex_sta_8821c_1ant;
struct rfe_type_8821c_1ant *rfe_type = &btc->rfe_type_8821c_1ant;
struct wifi_link_info_8821c_1ant *wifi_link_info_ext =
&btc->wifi_link_info_8821c_1ant;
static boolean pre_wifi_busy, pre_under_4way,
pre_bt_off,
pre_bt_slave, pre_hid_low_pri_tx_overhead,
pre_wifi_under_lps, pre_bt_setup_link,
pre_cck_lock, pre_cck_lock_warn;
static u8 pre_hid_busy_num, pre_wl_noisy_level;
boolean wifi_busy = FALSE, under_4way = FALSE;
boolean wifi_connected = FALSE;
struct btc_bt_link_info *bt_link_info = &btc->bt_link_info;
static u8 cnt_wifi_busytoidle;
u32 num_of_wifi_link = 0, wifi_link_mode = 0;
static u32 pre_num_of_wifi_link, pre_wifi_link_mode;
boolean miracast_plus_bt = FALSE;
u8 lna_lvl = 1;
btc->btc_get(btc, BTC_GET_BL_WIFI_CONNECTED, &wifi_connected);
btc->btc_get(btc, BTC_GET_BL_WIFI_BUSY, &wifi_busy);
btc->btc_get(btc, BTC_GET_BL_WIFI_4_WAY_PROGRESS, &under_4way);
if (wifi_busy) {
coex_sta->gl_wifi_busy = TRUE;
cnt_wifi_busytoidle = 6;
} else {
if (coex_sta->gl_wifi_busy && cnt_wifi_busytoidle > 0)
cnt_wifi_busytoidle--;
else if (cnt_wifi_busytoidle == 0)
coex_sta->gl_wifi_busy = FALSE;
}
if (coex_sta->bt_disabled != pre_bt_off) {
pre_bt_off = coex_sta->bt_disabled;
if (coex_sta->bt_disabled)
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], BT is disabled !!\n");
else
BTC_SPRINTF(trace_buf, BT_TMP_BUF_SIZE,
"[BTCoex], BT is enabled !!\n");
BTC_TRACE(trace_buf);
coex_sta->bt_coex_supported_feature = 0;
coex_sta->bt_coex_supported_version = 0;
coex_sta->bt_ble_scan_type = 0;
coex_sta->bt_ble_scan_para[0] = 0;
coex_sta->bt_ble_scan_para[1] = 0;
coex_sta->bt_ble_scan_para[2] = 0;
coex_sta->bt_reg_vendor_ac = 0xffff;
coex_sta->bt_reg_vendor_ae = 0xffff;
coex_sta->bt_a2dp_vendor_id = 0;
coex_sta->bt_a2dp_device_name = 0;
btc->bt_info.bt_get_fw_ver = 0;
return TRUE;
}
num_of_wifi_link = wifi_link_info_ext->num_of_active_port;
if (num_of_wifi_link != pre_num_of_wifi_link) {
pre_num_of_wifi_link = num_of_wifi_link;
if (wifi_link_info_ext->is_p2p_connected) {
if (bt_link_info->bt_link_exist)
miracast_plus_bt = TRUE;
else
miracast_plus_bt = FALSE;
btc->btc_set(btc, BTC_SET_BL_MIRACAST_PLUS_BT,
&miracast_plus_bt);
}
return TRUE;
}
wifi_link_mode = btc->wifi_link_info.link_mode;
if (wifi_link_mode != pre_wifi_link_mode) {
pre_wifi_link_mode = wifi_link_mode;
return TRUE;
}
if (wifi_connected) {
if (wifi_busy != pre_wifi_busy) {
pre_wifi_busy = wifi_busy;
return TRUE;
}
if (under_4way != pre_under_4way) {
pre_under_4way = under_4way;
return TRUE;
}
if (coex_sta->wl_noisy_level != pre_wl_noisy_level) {
pre_wl_noisy_level = coex_sta->wl_noisy_level;
return TRUE;
}
if (coex_sta->under_lps != pre_wifi_under_lps) {
pre_wifi_under_lps = coex_sta->under_lps;
if (coex_sta->under_lps)
return TRUE;
}
if (coex_sta->cck_lock != pre_cck_lock) {
pre_cck_lock = coex_sta->cck_lock;
return TRUE;
}
if (coex_sta->cck_lock_warn != pre_cck_lock_warn) {
pre_cck_lock_warn = coex_sta->cck_lock_warn;
return TRUE;
}
}
if (!coex_sta->bt_disabled) {
#if 0
if (coex_sta->acl_busy != pre_bt_acl_busy) {
pre_bt_acl_busy = coex_sta->acl_busy;
btc->btc_set(btc, BTC_SET_BL_BT_LNA_CONSTRAIN_LEVEL,
&lna_lvl);
return TRUE;
}
#endif
if (coex_sta->hid_busy_num != pre_hid_busy_num) {
pre_hid_busy_num = coex_sta->hid_busy_num;
return TRUE;
}
if (bt_link_info->slave_role != pre_bt_slave) {
pre_bt_slave = bt_link_info->slave_role;
return TRUE;
}
if (pre_hid_low_pri_tx_overhead !=
coex_sta->is_hid_low_pri_tx_overhead) {
pre_hid_low_pri_tx_overhead =
coex_sta->is_hid_low_pri_tx_overhead;
return TRUE;
}
if (pre_bt_setup_link != coex_sta->is_setup_link) {
pre_bt_setup_link = coex_sta->is_setup_link;
return TRUE;
}
}
return FALSE;
}
static
void halbtc8821c1ant_update_wifi_link_info(struct btc_coexist *btc, u8 reason)
{
struct coex_sta_8821c_1ant *coex_sta = &btc->coex_sta_8821c_1ant;
struct wifi_link_info_8821c_1ant *wifi_link_info_ext =
&btc->wifi_link_info_8821c_1ant;
struct btc_wifi_link_info wifi_link_info;
struct coex_dm_8821c_1ant *coex_dm = &btc->coex_dm_8821c_1ant;
u8 wifi_central_chnl = 0, num_of_wifi_link = 0;
boolean isunder5G = FALSE, ismcc25g = FALSE, isp2pconnected = FALSE;
u32 wifi_link_status = 0;
btc->btc_get(btc, BTC_GET_BL_WIFI_CONNECTED,
&wifi_link_info_ext->is_connected);
btc->btc_get(btc, BTC_GET_U4_WIFI_LINK_STATUS, &wifi_link_status);
wifi_link_info_ext->port_connect_status = wifi_link_status & 0xffff;
btc->btc_get(btc, BTC_GET_BL_WIFI_LINK_INFO, &wifi_link_info);
btc->wifi_link_info = wifi_link_info;
btc->btc_get(btc, BTC_GET_U1_WIFI_CENTRAL_CHNL, &wifi_central_chnl);
coex_sta->wl_center_channel = wifi_central_chnl;
/* Check scan/connect/special-pkt action first */
switch (reason) {
case BT_8821C_1ANT_RSN_5GSCANSTART:
case BT_8821C_1ANT_RSN_5GSWITCHBAND:
case BT_8821C_1ANT_RSN_5GCONSTART:
isunder5G = TRUE;
break;
case BT_8821C_1ANT_RSN_2GSCANSTART:
case BT_8821C_1ANT_RSN_2GSWITCHBAND:
case BT_8821C_1ANT_RSN_2GCONSTART:
isunder5G = FALSE;
break;
case BT_8821C_1ANT_RSN_2GCONFINISH:
case BT_8821C_1ANT_RSN_5GCONFINISH:
case BT_8821C_1ANT_RSN_2GMEDIA:
case BT_8821C_1ANT_RSN_5GMEDIA: