From 7b5ca74959c31e16c1c9821a6249e777cd3a283f Mon Sep 17 00:00:00 2001
From: Yan-Hsuan Chuang <yhchuang@realtek.com>
Date: Thu, 11 May 2017 14:01:10 -0500
Subject: [PATCH] rtlwifi: btcoex: 21a 2ant: set tdma with rssi states
Git-commit: 7b5ca74959c31e16c1c9821a6249e777cd3a283f
Patch-mainline: v4.13-rc1
References: FATE#326906
if bt rssi is high, adjust the duration of wifi to a longer period to
let the wifi transmit under this bt profiling.
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
.../rtlwifi/btcoexist/halbtc8821a2ant.c | 91 ++++++-------------
1 file changed, 28 insertions(+), 63 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c
index 841b4a83ab70..a0f2eb53a011 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c
@@ -3220,12 +3220,16 @@ static void btc8821a2ant_action_pan_edr_hid(struct btc_coexist *btcoexist)
/* HID+A2DP+PAN(EDR) */
static void btc8821a2ant_act_hid_a2dp_pan_edr(struct btc_coexist *btcoexist)
{
- u8 wifi_rssi_state, bt_rssi_state, bt_info_ext;
+ u8 wifi_rssi_state, wifi_rssi_state1, bt_rssi_state;
u32 wifi_bw;
- bt_info_ext = coex_sta->bt_info_ext;
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_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);
+
+ 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);
@@ -3235,44 +3239,32 @@ static void btc8821a2ant_act_hid_a2dp_pan_edr(struct btc_coexist *btcoexist)
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, 14);
+ btc8821a2ant_power_save_state(btcoexist, BTC_PS_LPS_ON, 0x50,
+ 0x4);
+ }
+
btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_BW, &wifi_bw);
- if (wifi_bw == BTC_WIFI_BW_LEGACY) {
- /* for HID at 11b/g mode */
- btc8821a2ant_coex_table(btcoexist, NORMAL_EXEC, 0x55ff55ff,
- 0x5a5a5a5a, 0xffff, 0x3);
+ if ((bt_rssi_state == BTC_RSSI_STATE_HIGH) ||
+ (bt_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) {
+ if (wifi_bw == BTC_WIFI_BW_HT40)
+ btc8821a2ant_tdma_duration_adjust(btcoexist, true,
+ true, 3);
+ else
+ btc8821a2ant_tdma_duration_adjust(btcoexist, true,
+ false, 3);
} else {
- /* for HID quality & wifi performance balance at 11n mode */
- btc8821a2ant_coex_table(btcoexist, NORMAL_EXEC, 0x55ff55ff,
- 0x5a5a5a5a, 0xffff, 0x3);
+ btc8821a2ant_tdma_duration_adjust(btcoexist, true, true, 3);
}
- 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)) {
- if (bt_info_ext&BIT0) {
- /* a2dp basic rate */
- btc8821a2ant_tdma_duration_adjust(btcoexist,
- true, true, 3);
- } else {
- /* a2dp edr rate */
- btc8821a2ant_tdma_duration_adjust(btcoexist,
- true, true, 3);
- }
- } else {
- if (bt_info_ext&BIT0) {
- /* a2dp basic rate */
- btc8821a2ant_tdma_duration_adjust(btcoexist,
- true, true, 3);
- } else {
- /* a2dp edr rate */
- btc8821a2ant_tdma_duration_adjust(btcoexist,
- true, true, 3);
- }
- }
-
- /* sw mechanism */
+ /* sw mechanism */
+ 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, true,
@@ -3286,33 +3278,6 @@ static void btc8821a2ant_act_hid_a2dp_pan_edr(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)) {
- if (bt_info_ext&BIT0) {
- /* a2dp basic rate */
- btc8821a2ant_tdma_duration_adjust(btcoexist,
- true, false, 3);
- } else {
- /* a2dp edr rate */
- btc8821a2ant_tdma_duration_adjust(btcoexist,
- true, false, 3);
- }
- } else {
- if (bt_info_ext&BIT0) {
- /* a2dp basic rate */
- btc8821a2ant_tdma_duration_adjust(btcoexist,
- true, true,
- 3);
- } else {
- /* a2dp edr rate */
- btc8821a2ant_tdma_duration_adjust(btcoexist,
- true, true,
- 3);
- }
- }
-
- /* sw mechanism */
if ((wifi_rssi_state == BTC_RSSI_STATE_HIGH) ||
(wifi_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) {
btc8821a2ant_sw_mechanism1(btcoexist, false, true,
--
2.19.2