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rtlwifi: btcoex: 21a 1ant: do not switch antenna when wifi is under 5G channel

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When wifi is on a 5G channel, the 5G signal will not interfere bt 2.4G
signal, and they can transmit simultaneously, hence there is no need to
switch antenna between wifi and bt.

Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Pkshih <pkshih@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:
Yan-Hsuan Chuang 2017-04-10 11:23:09 -05:00 committed by Kalle Valo
parent cb52b11859
commit da0fd9ccb4
1 changed files with 63 additions and 1 deletions
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64
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
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@ -44,6 +44,8 @@ static struct coex_dm_8821a_1ant glcoex_dm_8821a_1ant;
static struct coex_dm_8821a_1ant *coex_dm = &glcoex_dm_8821a_1ant;
static struct coex_sta_8821a_1ant glcoex_sta_8821a_1ant;
static struct coex_sta_8821a_1ant *coex_sta = &glcoex_sta_8821a_1ant;
static void btc8821a1ant_act_bt_sco_hid_only_busy(struct btc_coexist *btcoexist,
u8 wifi_status);
static const char *const glbt_info_src_8821a_1ant[] = {
"BT Info[wifi fw]",
@ -1588,7 +1590,8 @@ static void btc8821a1ant_action_bt_inquiry(struct btc_coexist *btcoexist)
}
static void btc8821a1ant_act_bt_sco_hid_only_busy(struct btc_coexist *btcoexist,
u8 wifi_status) {
u8 wifi_status)
{
/* tdma and coex table */
btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 5);
@ -2412,9 +2415,17 @@ void ex_btc8821a1ant_display_coex_info(struct btc_coexist *btcoexist)
void ex_btc8821a1ant_ips_notify(struct btc_coexist *btcoexist, u8 type)
{
struct rtl_priv *rtlpriv = btcoexist->adapter;
bool wifi_under_5g = false;
if (btcoexist->manual_control || btcoexist->stop_coex_dm)
return;
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
if (wifi_under_5g) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
btc8821a1ant_coex_under_5g(btcoexist);
return;
}
if (BTC_IPS_ENTER == type) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
@ -2458,12 +2469,20 @@ void ex_btc8821a1ant_scan_notify(struct btc_coexist *btcoexist, u8 type)
struct rtl_priv *rtlpriv = btcoexist->adapter;
bool wifi_connected = false, bt_hs_on = false;
bool bt_ctrl_agg_buf_size = false;
bool wifi_under_5g = false;
u32 wifi_link_status = 0;
u32 num_of_wifi_link = 0;
u8 agg_buf_size = 5;
if (btcoexist->manual_control || btcoexist->stop_coex_dm)
return;
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
if (wifi_under_5g) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
btc8821a1ant_coex_under_5g(btcoexist);
return;
}
if (coex_sta->bt_disabled)
return;
@ -2523,11 +2542,19 @@ void ex_btc8821a1ant_connect_notify(struct btc_coexist *btcoexist, u8 type)
u32 wifi_link_status = 0;
u32 num_of_wifi_link = 0;
bool bt_ctrl_agg_buf_size = false;
bool wifi_under_5g = false;
u8 agg_buf_size = 5;
if (btcoexist->manual_control || btcoexist->stop_coex_dm ||
coex_sta->bt_disabled)
return;
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
if (wifi_under_5g) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
btc8821a1ant_coex_under_5g(btcoexist);
return;
}
btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_LINK_STATUS,
&wifi_link_status);
@ -2575,10 +2602,18 @@ void ex_btc8821a1ant_media_status_notify(struct btc_coexist *btcoexist,
u8 h2c_parameter[3] = {0};
u32 wifi_bw;
u8 wifi_central_chnl;
bool wifi_under_5g = false;
if (btcoexist->manual_control || btcoexist->stop_coex_dm ||
coex_sta->bt_disabled)
return;
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
if (wifi_under_5g) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
btc8821a1ant_coex_under_5g(btcoexist);
return;
}
if (BTC_MEDIA_CONNECT == type) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
@ -2622,6 +2657,7 @@ void ex_btc8821a1ant_special_packet_notify(struct btc_coexist *btcoexist,
struct rtl_priv *rtlpriv = btcoexist->adapter;
bool bt_hs_on = false;
bool bt_ctrl_agg_buf_size = false;
bool wifi_under_5g = false;
u32 wifi_link_status = 0;
u32 num_of_wifi_link = 0;
u8 agg_buf_size = 5;
@ -2630,6 +2666,14 @@ void ex_btc8821a1ant_special_packet_notify(struct btc_coexist *btcoexist,
coex_sta->bt_disabled)
return;
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
if (wifi_under_5g) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
btc8821a1ant_coex_under_5g(btcoexist);
return;
}
coex_sta->special_pkt_period_cnt = 0;
btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_LINK_STATUS,
@ -2818,9 +2862,18 @@ void ex_btc8821a1ant_bt_info_notify(struct btc_coexist *btcoexist,
void ex_btc8821a1ant_halt_notify(struct btc_coexist *btcoexist)
{
struct rtl_priv *rtlpriv = btcoexist->adapter;
bool wifi_under_5g = false;
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], Halt notify\n");
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
if (wifi_under_5g) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
btc8821a1ant_coex_under_5g(btcoexist);
return;
}
btcoexist->stop_coex_dm = true;
@ -2836,6 +2889,15 @@ void ex_btc8821a1ant_halt_notify(struct btc_coexist *btcoexist)
void ex_btc8821a1ant_pnp_notify(struct btc_coexist *btcoexist, u8 pnp_state)
{
struct rtl_priv *rtlpriv = btcoexist->adapter;
bool wifi_under_5g = false;
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
if (wifi_under_5g) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
btc8821a1ant_coex_under_5g(btcoexist);
return;
}
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], Pnp notify\n");