From 17bf851011819c84c670d80058213a375f64ee2e Mon Sep 17 00:00:00 2001
From: Ping-Ke Shih <pkshih@realtek.com>
Date: Fri, 19 Jan 2018 14:45:43 +0800
Subject: [PATCH] rtlwifi: btcoex: Add switch band notify for btc
Git-commit: 17bf851011819c84c670d80058213a375f64ee2e
Patch-mainline: v4.16-rc1
References: FATE#326906
BT shares 2.4G band but not 5G band, so inform current band to btcoex to
setup antenna properly.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
.../realtek/rtlwifi/btcoexist/halbtcoutsrc.c | 13 +++++++++
.../realtek/rtlwifi/btcoexist/halbtcoutsrc.h | 9 +++++++
.../realtek/rtlwifi/btcoexist/rtl_btc.c | 27 +++++++++++++++++++
.../realtek/rtlwifi/btcoexist/rtl_btc.h | 2 ++
drivers/net/wireless/realtek/rtlwifi/wifi.h | 2 ++
5 files changed, 53 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
index c335f06eb13b..b51189ae1bfd 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
@@ -1910,3 +1910,16 @@ void exhalbtc_display_bt_coex_info(struct btc_coexist *btcoexist,
halbtc_normal_low_power(btcoexist);
}
+
+void exhalbtc_switch_band_notify(struct btc_coexist *btcoexist, u8 type)
+{
+ if (!halbtc_is_bt_coexist_available(btcoexist))
+ return;
+
+ if (btcoexist->manual_control)
+ return;
+
+ halbtc_leave_low_power(btcoexist);
+
+ halbtc_normal_low_power(btcoexist);
+}
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
index bc854ff2ab8a..cd3925d34854 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
@@ -385,6 +385,14 @@ enum btc_notify_type_scan {
BTC_SCAN_MAX
};
+enum btc_notify_type_switchband {
+ BTC_NOT_SWITCH = 0x0,
+ BTC_SWITCH_TO_24G = 0x1,
+ BTC_SWITCH_TO_5G = 0x2,
+ BTC_SWITCH_TO_24G_NOFORSCAN = 0x3,
+ BTC_SWITCH_MAX
+};
+
enum btc_notify_type_associate {
BTC_ASSOCIATE_FINISH = 0x0,
BTC_ASSOCIATE_START = 0x1,
@@ -659,6 +667,7 @@ void exhalbtc_set_chip_type(struct btc_coexist *btcoexist, u8 chip_type);
void exhalbtc_set_ant_num(struct rtl_priv *rtlpriv, u8 type, u8 ant_num);
void exhalbtc_display_bt_coex_info(struct btc_coexist *btcoexist,
struct seq_file *m);
+void exhalbtc_switch_band_notify(struct btc_coexist *btcoexist, u8 type);
void exhalbtc_signal_compensation(struct btc_coexist *btcoexist,
u8 *rssi_wifi, u8 *rssi_bt);
void exhalbtc_lps_leave(struct btc_coexist *btcoexist);
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
index 714c0de099e5..bbc9517260b3 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
@@ -48,6 +48,7 @@ static struct rtl_btc_ops rtl_btc_operation = {
.btc_is_disable_edca_turbo = rtl_btc_is_disable_edca_turbo,
.btc_is_bt_disabled = rtl_btc_is_bt_disabled,
.btc_special_packet_notify = rtl_btc_special_packet_notify,
+ .btc_switch_band_notify = rtl_btc_switch_band_notify,
.btc_record_pwr_mode = rtl_btc_record_pwr_mode,
.btc_get_lps_val = rtl_btc_get_lps_val,
.btc_get_rpwm_val = rtl_btc_get_rpwm_val,
@@ -423,6 +424,32 @@ void rtl_btc_special_packet_notify(struct rtl_priv *rtlpriv, u8 pkt_type)
return exhalbtc_special_packet_notify(btcoexist, pkt_type);
}
+void rtl_btc_switch_band_notify(struct rtl_priv *rtlpriv, u8 band_type,
+ bool scanning)
+{
+ struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
+ u8 type = BTC_NOT_SWITCH;
+
+ if (!btcoexist)
+ return;
+
+ switch (band_type) {
+ case BAND_ON_2_4G:
+ if (scanning)
+ type = BTC_SWITCH_TO_24G;
+ else
+ type = BTC_SWITCH_TO_24G_NOFORSCAN;
+ break;
+
+ case BAND_ON_5G:
+ type = BTC_SWITCH_TO_5G;
+ break;
+ }
+
+ if (type != BTC_NOT_SWITCH)
+ exhalbtc_switch_band_notify(btcoexist, type);
+}
+
struct rtl_btc_ops *rtl_btc_get_ops_pointer(void)
{
return &rtl_btc_operation;
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.h
index 8c5098266039..1d98741ae874 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.h
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.h
@@ -46,6 +46,8 @@ bool rtl_btc_is_limited_dig(struct rtl_priv *rtlpriv);
bool rtl_btc_is_disable_edca_turbo(struct rtl_priv *rtlpriv);
bool rtl_btc_is_bt_disabled(struct rtl_priv *rtlpriv);
void rtl_btc_special_packet_notify(struct rtl_priv *rtlpriv, u8 pkt_type);
+void rtl_btc_switch_band_notify(struct rtl_priv *rtlpriv, u8 band_type,
+ bool scanning);
void rtl_btc_display_bt_coex_info(struct rtl_priv *rtlpriv, struct seq_file *m);
void rtl_btc_record_pwr_mode(struct rtl_priv *rtlpriv, u8 *buf, u8 len);
u8 rtl_btc_get_lps_val(struct rtl_priv *rtlpriv);
diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h b/drivers/net/wireless/realtek/rtlwifi/wifi.h
index 531c86df54d4..8ed0207c6f14 100644
--- a/drivers/net/wireless/realtek/rtlwifi/wifi.h
+++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h
@@ -2579,6 +2579,8 @@ struct rtl_btc_ops {
bool (*btc_is_bt_disabled) (struct rtl_priv *rtlpriv);
void (*btc_special_packet_notify)(struct rtl_priv *rtlpriv,
u8 pkt_type);
+ void (*btc_switch_band_notify)(struct rtl_priv *rtlpriv, u8 type,
+ bool scanning);
void (*btc_display_bt_coex_info)(struct rtl_priv *rtlpriv,
struct seq_file *m);
void (*btc_record_pwr_mode)(struct rtl_priv *rtlpriv, u8 *buf, u8 len);
--
2.19.2