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rtlwifi: btcoex: 23b 1ant: monitor wifi and BT counter

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In field debug, we check wifi and BT counter to analyze problems.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Ping-Ke Shih
2017-05-16 08:19:54 -05:00
committed by Kalle Valo
parent 2622d7d86a
commit 37a5be0cfc
2 changed files with 145 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

141
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c
View File

@@ -210,11 +210,24 @@ static void halbtc8723b1ant_limited_rx(struct btc_coexist *btcoexist,
btcoexist->btc_set(btcoexist, BTC_SET_ACT_AGGREGATE_CTRL, NULL);
}
static void halbtc8723b1ant_query_bt_info(struct btc_coexist *btcoexist)
{
u8 h2c_parameter[1] = {0};
coex_sta->c2h_bt_info_req_sent = true;
/* trigger */
h2c_parameter[0] |= BIT(0);
btcoexist->btc_fill_h2c(btcoexist, 0x61, 1, h2c_parameter);
}
static void halbtc8723b1ant_monitor_bt_ctr(struct btc_coexist *btcoexist)
{
u32 reg_hp_txrx, reg_lp_txrx, u32tmp;
u32 reg_hp_tx = 0, reg_hp_rx = 0;
u32 reg_lp_tx = 0, reg_lp_rx = 0;
static u32 num_of_bt_counter_chk;
reg_hp_txrx = 0x770;
reg_lp_txrx = 0x774;
@@ -232,25 +245,122 @@ static void halbtc8723b1ant_monitor_bt_ctr(struct btc_coexist *btcoexist)
coex_sta->low_priority_tx = reg_lp_tx;
coex_sta->low_priority_rx = reg_lp_rx;
if ((coex_sta->low_priority_tx > 1050) &&
(!coex_sta->c2h_bt_inquiry_page))
coex_sta->pop_event_cnt++;
/* reset counter */
btcoexist->btc_write_1byte(btcoexist, 0x76e, 0xc);
/* This part is for wifi FW and driver to update BT's status as
* disabled.
*
* The flow is as the following
* 1. disable BT
* 2. if all BT Tx/Rx counter = 0, after 6 sec we query bt info
* 3. Because BT will not rsp from mailbox, so wifi fw will know BT is
* disabled
*
* 4. FW will rsp c2h for BT that driver will know BT is disabled.
*/
if ((reg_hp_tx == 0) && (reg_hp_rx == 0) && (reg_lp_tx == 0) &&
(reg_lp_rx == 0)) {
num_of_bt_counter_chk++;
if (num_of_bt_counter_chk == 3)
halbtc8723b1ant_query_bt_info(btcoexist);
} else {
num_of_bt_counter_chk = 0;
}
}
static void halbtc8723b1ant_query_bt_info(struct btc_coexist *btcoexist)
static void halbtc8723b1ant_monitor_wifi_ctr(struct btc_coexist *btcoexist)
{
struct rtl_priv *rtlpriv = btcoexist->adapter;
u8 h2c_parameter[1] = {0};
s32 wifi_rssi = 0;
bool wifi_busy = false, wifi_under_b_mode = false;
static u8 cck_lock_counter;
u32 total_cnt;
coex_sta->c2h_bt_info_req_sent = true;
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_BUSY, &wifi_busy);
btcoexist->btc_get(btcoexist, BTC_GET_S4_WIFI_RSSI, &wifi_rssi);
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_B_MODE,
&wifi_under_b_mode);
/* trigger */
h2c_parameter[0] |= BIT0;
if (coex_sta->under_ips) {
coex_sta->crc_ok_cck = 0;
coex_sta->crc_ok_11g = 0;
coex_sta->crc_ok_11n = 0;
coex_sta->crc_ok_11n_agg = 0;
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], Query Bt Info, FW write 0x61 = 0x%x\n",
h2c_parameter[0]);
coex_sta->crc_err_cck = 0;
coex_sta->crc_err_11g = 0;
coex_sta->crc_err_11n = 0;
coex_sta->crc_err_11n_agg = 0;
} else {
coex_sta->crc_ok_cck =
btcoexist->btc_read_4byte(btcoexist, 0xf88);
coex_sta->crc_ok_11g =
btcoexist->btc_read_2byte(btcoexist, 0xf94);
coex_sta->crc_ok_11n =
btcoexist->btc_read_2byte(btcoexist, 0xf90);
coex_sta->crc_ok_11n_agg =
btcoexist->btc_read_2byte(btcoexist, 0xfb8);
btcoexist->btc_fill_h2c(btcoexist, 0x61, 1, h2c_parameter);
coex_sta->crc_err_cck =
btcoexist->btc_read_4byte(btcoexist, 0xf84);
coex_sta->crc_err_11g =
btcoexist->btc_read_2byte(btcoexist, 0xf96);
coex_sta->crc_err_11n =
btcoexist->btc_read_2byte(btcoexist, 0xf92);
coex_sta->crc_err_11n_agg =
btcoexist->btc_read_2byte(btcoexist, 0xfba);
}
/* reset counter */
btcoexist->btc_write_1byte_bitmask(btcoexist, 0xf16, 0x1, 0x1);
btcoexist->btc_write_1byte_bitmask(btcoexist, 0xf16, 0x1, 0x0);
if ((wifi_busy) && (wifi_rssi >= 30) && (!wifi_under_b_mode)) {
total_cnt = coex_sta->crc_ok_cck + coex_sta->crc_ok_11g +
coex_sta->crc_ok_11n + coex_sta->crc_ok_11n_agg;
if ((coex_dm->bt_status == BT_8723B_1ANT_BT_STATUS_ACL_BUSY) ||
(coex_dm->bt_status ==
BT_8723B_1ANT_BT_STATUS_ACL_SCO_BUSY) ||
(coex_dm->bt_status == BT_8723B_1ANT_BT_STATUS_SCO_BUSY)) {
if (coex_sta->crc_ok_cck >
(total_cnt - coex_sta->crc_ok_cck)) {
if (cck_lock_counter < 3)
cck_lock_counter++;
} else {
if (cck_lock_counter > 0)
cck_lock_counter--;
}
} else {
if (cck_lock_counter > 0)
cck_lock_counter--;
}
} else {
if (cck_lock_counter > 0)
cck_lock_counter--;
}
if (!coex_sta->pre_ccklock) {
if (cck_lock_counter >= 3)
coex_sta->cck_lock = true;
else
coex_sta->cck_lock = false;
} else {
if (cck_lock_counter == 0)
coex_sta->cck_lock = false;
else
coex_sta->cck_lock = true;
}
if (coex_sta->cck_lock)
coex_sta->cck_ever_lock = true;
coex_sta->pre_ccklock = coex_sta->cck_lock;
}
static bool btc8723b1ant_is_wifi_status_changed(struct btc_coexist *btcoexist)
@@ -1818,6 +1928,7 @@ static void halbtc8723b1ant_run_coexist_mechanism(struct btc_coexist *btcoexist)
}
}
/* force coex mechanism to reset */
static void halbtc8723b1ant_init_coex_dm(struct btc_coexist *btcoexist)
{
/* sw all off */
@@ -1825,6 +1936,7 @@ static void halbtc8723b1ant_init_coex_dm(struct btc_coexist *btcoexist)
halbtc8723b1ant_ps_tdma(btcoexist, FORCE_EXEC, false, 8);
halbtc8723b1ant_coex_table_with_type(btcoexist, FORCE_EXEC, 0);
coex_sta->pop_event_cnt = 0;
}
static void halbtc8723b1ant_init_hw_config(struct btc_coexist *btcoexist,
@@ -2655,6 +2767,7 @@ void ex_halbtc8723b1ant_coex_dm_reset(struct btc_coexist *btcoexist)
void ex_halbtc8723b1ant_periodical(struct btc_coexist *btcoexist)
{
struct rtl_priv *rtlpriv = btcoexist->adapter;
struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;
struct btc_board_info *board_info = &btcoexist->board_info;
struct btc_stack_info *stack_info = &btcoexist->stack_info;
static u8 dis_ver_info_cnt;
@@ -2689,9 +2802,15 @@ void ex_halbtc8723b1ant_periodical(struct btc_coexist *btcoexist)
if (!btcoexist->auto_report_1ant) {
halbtc8723b1ant_query_bt_info(btcoexist);
halbtc8723b1ant_monitor_bt_ctr(btcoexist);
halbtc8723b1ant_monitor_bt_enable_disable(btcoexist);
} else {
halbtc8723b1ant_monitor_bt_ctr(btcoexist);
halbtc8723b1ant_monitor_wifi_ctr(btcoexist);
if ((coex_sta->high_priority_tx + coex_sta->high_priority_rx < 50) &&
bt_link_info->hid_exist)
bt_link_info->hid_exist = false;
if (btc8723b1ant_is_wifi_status_changed(btcoexist) ||
coex_dm->auto_tdma_adjust) {
halbtc8723b1ant_run_coexist_mechanism(btcoexist);

15
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h
View File

@@ -159,6 +159,21 @@ struct coex_sta_8723b_1ant {
bool c2h_bt_inquiry_page;
u8 bt_retry_cnt;
u8 bt_info_ext;
bool cck_ever_lock;
u32 pop_event_cnt;
u32 crc_ok_cck;
u32 crc_ok_11g;
u32 crc_ok_11n;
u32 crc_ok_11n_agg;
u32 crc_err_cck;
u32 crc_err_11g;
u32 crc_err_11n;
u32 crc_err_11n_agg;
bool cck_lock;
bool pre_ccklock;
};
/*************************************************************************