From 70a8adef7108f3b8773c35b80fbd46d9d7df92b3 Mon Sep 17 00:00:00 2001 From: Yan-Hsuan Chuang Date: Sat, 15 Apr 2017 15:31:50 -0500 Subject: [PATCH] rtlwifi: btcoex: 21a 2ant: more combinations of wifi/bt rssi state For bt a2dp, we need to check more rssi state combinations to have better voice quality. Signed-off-by: Yan-Hsuan Chuang Signed-off-by: Larry Finger Cc: Pkshih Cc: Birming Chiu Cc: Shaofu Signed-off-by: Kalle Valo --- .../rtlwifi/btcoexist/halbtc8821a2ant.c | 97 +++++++++++++------ 1 file changed, 65 insertions(+), 32 deletions(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c index 8437f1b6c108..62c3556e83b5 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c @@ -2771,36 +2771,80 @@ static void btc8821a2ant_action_hid(struct btc_coexist *btcoexist) /* A2DP only / PAN(EDR) only/ A2DP+PAN(HS) */ static void btc8821a2ant_action_a2dp(struct btc_coexist *btcoexist) { - u8 wifi_rssi_state, bt_rssi_state; + u8 wifi_rssi_state, wifi_rssi_state1, bt_rssi_state; + u8 ap_num = 0; u32 wifi_bw; - wifi_rssi_state = btc8821a2ant_wifi_rssi_state(btcoexist, 0, 2, - 15, 0); - bt_rssi_state = btc8821a2ant_bt_rssi_state(btcoexist, 2, 35, 0); + wifi_rssi_state = btc8821a2ant_wifi_rssi_state(btcoexist, 0, 2, 15, 0); + wifi_rssi_state1 = btc8821a2ant_wifi_rssi_state(btcoexist, 1, 2, + BT_8821A_2ANT_WIFI_RSSI_COEXSWITCH_THRES, 0); + bt_rssi_state = btc8821a2ant_bt_rssi_state(btcoexist, + 2, BT_8821A_2ANT_BT_RSSI_COEXSWITCH_THRES, 0); - /* fw dac swing is called in btc8821a2ant_tdma_duration_adjust() - * btc8821a2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 6); - */ + if ((ap_num >= 10) && BTC_RSSI_HIGH(wifi_rssi_state1) && + BTC_RSSI_HIGH(bt_rssi_state)) { + btc8821a2ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE, + 0x0, 0x0); - if (BTC_RSSI_HIGH(bt_rssi_state)) - btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, true); - else - btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, false); + btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, + 0x0); + btc8821a2ant_limited_rx(btcoexist, NORMAL_EXEC, false, false, + 0x8); + btc8821a2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 6); + btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, 2); - btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_BW, &wifi_bw); + btc8821a2ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 0); - if (BTC_WIFI_BW_HT40 == wifi_bw) { - /* fw mechanism */ - if ((bt_rssi_state == BTC_RSSI_STATE_HIGH) || - (bt_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) { - btc8821a2ant_tdma_duration_adjust(btcoexist, false, - false, 1); + btc8821a2ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE, + 0x0, 0x0); + btc8821a2ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 23); + + /* sw mechanism */ + btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_BW, &wifi_bw); + if (wifi_bw == BTC_WIFI_BW_HT40) { + btc8821a2ant_sw_mechanism1(btcoexist, true, false, + false, false); + btc8821a2ant_sw_mechanism2(btcoexist, true, false, + true, 0x6); } else { - btc8821a2ant_tdma_duration_adjust(btcoexist, false, - true, 1); + btc8821a2ant_sw_mechanism1(btcoexist, false, false, + false, false); + btc8821a2ant_sw_mechanism2(btcoexist, true, false, + true, 0x6); } + return; + } - /* sw mechanism */ + btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x0); + btc8821a2ant_limited_rx(btcoexist, NORMAL_EXEC, false, false, 0x8); + + btc8821a2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 6); + + if (BTC_RSSI_HIGH(bt_rssi_state)) + btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, 2); + else + btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, 0); + + if (BTC_RSSI_HIGH(wifi_rssi_state1) && BTC_RSSI_HIGH(bt_rssi_state)) { + btc8821a2ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 7); + btc8821a2ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE, + 0x0, 0x0); + } else { + btc8821a2ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 13); + btc8821a2ant_power_save_state(btcoexist, BTC_PS_LPS_ON, 0x50, + 0x4); + } + + if ((bt_rssi_state == BTC_RSSI_STATE_HIGH) || + (bt_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) { + btc8821a2ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 23); + } else { + btc8821a2ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 23); + } + + /* sw mechanism */ + btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_BW, &wifi_bw); + if (wifi_bw == BTC_WIFI_BW_HT40) { if ((wifi_rssi_state == BTC_RSSI_STATE_HIGH) || (wifi_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) { btc8821a2ant_sw_mechanism1(btcoexist, true, false, @@ -2814,17 +2858,6 @@ static void btc8821a2ant_action_a2dp(struct btc_coexist *btcoexist) false, 0x18); } } else { - /* fw mechanism */ - if ((bt_rssi_state == BTC_RSSI_STATE_HIGH) || - (bt_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) { - btc8821a2ant_tdma_duration_adjust(btcoexist, false, - false, 1); - } else { - btc8821a2ant_tdma_duration_adjust(btcoexist, false, - true, 1); - } - - /* sw mechanism */ if ((wifi_rssi_state == BTC_RSSI_STATE_HIGH) || (wifi_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) { btc8821a2ant_sw_mechanism1(btcoexist, false, false, -- 2.20.1