[PATCH 7/7] rtlwifi: btcoexist control to enter/leave LPS
Larry Finger
Larry.Finger at lwfinger.net
Sat Dec 3 17:32:07 UTC 2016
From: Ping-Ke Shih <pkshih at realtek.com>
Bluetooth coexistence needs to be able to control the power-save
state. This patch turns the building of btcoexist back on.
Signed-off-by: Ping-Ke Shih <pkshih at realtek.com>
Signed-off-by: Larry Finger <Larry.Finger at lwfinger.net>
---
drivers/net/wireless/realtek/rtlwifi/base.c | 8 +++
.../wireless/realtek/rtlwifi/btcoexist/Makefile | 2 +
.../realtek/rtlwifi/btcoexist/halbtcoutsrc.c | 7 ++-
.../wireless/realtek/rtlwifi/btcoexist/rtl_btc.c | 18 ++++++
.../wireless/realtek/rtlwifi/btcoexist/rtl_btc.h | 3 +
.../net/wireless/realtek/rtlwifi/rtl8192ee/fw.c | 63 ++++++++++++++++++---
.../net/wireless/realtek/rtlwifi/rtl8723be/fw.c | 64 +++++++++++++++++++---
.../net/wireless/realtek/rtlwifi/rtl8821ae/fw.c | 64 +++++++++++++++++++---
drivers/net/wireless/realtek/rtlwifi/wifi.h | 8 +--
9 files changed, 206 insertions(+), 31 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c
index a1cfec3..d0aa23c 100644
--- a/drivers/net/wireless/realtek/rtlwifi/base.c
+++ b/drivers/net/wireless/realtek/rtlwifi/base.c
@@ -1758,12 +1758,20 @@ void rtl_watchdog_wq_callback(void *data)
false;
}
+ /* PS is controlled by coex. */
+ if (rtlpriv->cfg->ops->get_btc_status() &&
+ rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv))
+ goto label_lps_done;
+
if (((rtlpriv->link_info.num_rx_inperiod +
rtlpriv->link_info.num_tx_inperiod) > 8) ||
(rtlpriv->link_info.num_rx_inperiod > 2))
rtl_lps_leave(hw);
else
rtl_lps_enter(hw);
+
+label_lps_done:
+ ;
}
rtlpriv->link_info.num_rx_inperiod = 0;
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/Makefile b/drivers/net/wireless/realtek/rtlwifi/btcoexist/Makefile
index c7df4e6..3657e8b 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/Makefile
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/Makefile
@@ -6,5 +6,7 @@ btcoexist-objs := halbtc8192e2ant.o \
halbtcoutsrc.o \
rtl_btc.o
+obj-$(CONFIG_RTLBTCOEXIST) += btcoexist.o
+
ccflags-y += -D__CHECK_ENDIAN__
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
index 6e0c0af..c50d5c4 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
@@ -276,14 +276,19 @@ static void halbtc_enter_lps(struct btc_coexist *btcoexist)
}
btcoexist->bt_info.bt_ctrl_lps = true;
- btcoexist->bt_info.bt_lps_on = false;
+ btcoexist->bt_info.bt_lps_on = true;
rtl_lps_enter(rtlpriv->mac80211.hw);
}
static void halbtc_normal_lps(struct btc_coexist *btcoexist)
{
+ struct rtl_priv *rtlpriv;
+
+ rtlpriv = btcoexist->adapter;
+
if (btcoexist->bt_info.bt_ctrl_lps) {
btcoexist->bt_info.bt_lps_on = false;
+ rtl_lps_leave(rtlpriv->mac80211.hw);
btcoexist->bt_info.bt_ctrl_lps = false;
}
}
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
index b1f8fd2..0b70d35 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
@@ -47,6 +47,9 @@ static struct rtl_btc_ops rtl_btc_operation = {
.btc_is_bt_disabled = rtl_btc_is_bt_disabled,
.btc_special_packet_notify = rtl_btc_special_packet_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,
+ .btc_is_bt_ctrl_lps = rtl_btc_is_bt_ctrl_lps,
};
void rtl_btc_record_pwr_mode(struct rtl_priv *rtlpriv, u8 *buf, u8 len)
@@ -61,6 +64,21 @@ void rtl_btc_record_pwr_mode(struct rtl_priv *rtlpriv, u8 *buf, u8 len)
memcpy(gl_bt_coexist.pwr_mode_val, buf, safe_len);
}
+u8 rtl_btc_get_lps_val(struct rtl_priv *rtlpriv)
+{
+ return gl_bt_coexist.bt_info.lps_val;
+}
+
+u8 rtl_btc_get_rpwm_val(struct rtl_priv *rtlpriv)
+{
+ return gl_bt_coexist.bt_info.rpwm_val;
+}
+
+bool rtl_btc_is_bt_ctrl_lps(struct rtl_priv *rtlpriv)
+{
+ return gl_bt_coexist.bt_info.bt_ctrl_lps;
+}
+
void rtl_btc_init_variables(struct rtl_priv *rtlpriv)
{
exhalbtc_initlize_variables();
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.h
index d145909..81c378e 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.h
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.h
@@ -45,6 +45,9 @@ 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_record_pwr_mode(struct rtl_priv *rtlpriv, u8 *buf, u8 len);
+u8 rtl_btc_get_lps_val(struct rtl_priv *rtlpriv);
+u8 rtl_btc_get_rpwm_val(struct rtl_priv *rtlpriv);
+bool rtl_btc_is_bt_ctrl_lps(struct rtl_priv *rtlpriv);
struct rtl_btc_ops *rtl_btc_get_ops_pointer(void);
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c
index 77edf0d..0252167 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c
@@ -500,23 +500,70 @@ void rtl92ee_set_fw_pwrmode_cmd(struct ieee80211_hw *hw, u8 mode)
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 u1_h2c_set_pwrmode[H2C_92E_PWEMODE_LENGTH] = { 0 };
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
- u8 rlbm, power_state = 0, byte5 = 0x40;
+ u8 rlbm, power_state = 0, byte5 = 0;
+ u8 awake_intvl; /* DTIM = (awake_intvl - 1) */
+ struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
+ bool bt_ctrl_lps = btc_ops->btc_is_bt_ctrl_lps(rtlpriv);
+
+ RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "FW LPS mode = %d (coex:%d)\n",
+ mode, bt_ctrl_lps);
+
+ switch (mode) {
+ case FW_PS_MIN_MODE:
+ rlbm = 0;
+ awake_intvl = 2;
+ break;
+ case FW_PS_MAX_MODE:
+ rlbm = 1;
+ awake_intvl = 2;
+ break;
+ case FW_PS_DTIM_MODE:
+ rlbm = 2;
+ awake_intvl = ppsc->reg_max_lps_awakeintvl;
+ /* hw->conf.ps_dtim_period or mac->vif->bss_conf.dtim_period
+ * is only used in swlps.
+ */
+ break;
+ default:
+ rlbm = 2;
+ awake_intvl = 4;
+ break;
+ }
- RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD , "FW LPS mode = %d\n", mode);
+ if (rtlpriv->mac80211.p2p) {
+ awake_intvl = 2;
+ rlbm = 1;
+ }
+
+ if (mode == FW_PS_ACTIVE_MODE) {
+ byte5 = 0x40;
+ power_state = FW_PWR_STATE_ACTIVE;
+ } else {
+ if (bt_ctrl_lps) {
+ byte5 = btc_ops->btc_get_lps_val(rtlpriv);
+ power_state = btc_ops->btc_get_rpwm_val(rtlpriv);
+
+ if ((rlbm == 2) && (byte5 & BIT(4))) {
+ /* Keep awake interval to 1 to prevent from
+ * decreasing coex performance
+ */
+ awake_intvl = 2;
+ rlbm = 2;
+ }
+ } else {
+ byte5 = 0x40;
+ power_state = FW_PWR_STATE_RF_OFF;
+ }
+ }
SET_H2CCMD_PWRMODE_PARM_MODE(u1_h2c_set_pwrmode, ((mode) ? 1 : 0));
- rlbm = 0;/*YJ,temp,120316. FW now not support RLBM=2.*/
SET_H2CCMD_PWRMODE_PARM_RLBM(u1_h2c_set_pwrmode, rlbm);
SET_H2CCMD_PWRMODE_PARM_SMART_PS(u1_h2c_set_pwrmode,
(rtlpriv->mac80211.p2p) ?
ppsc->smart_ps : 1);
SET_H2CCMD_PWRMODE_PARM_AWAKE_INTERVAL(u1_h2c_set_pwrmode,
- ppsc->reg_max_lps_awakeintvl);
+ awake_intvl);
SET_H2CCMD_PWRMODE_PARM_ALL_QUEUE_UAPSD(u1_h2c_set_pwrmode, 0);
- if (mode == FW_PS_ACTIVE_MODE)
- power_state |= FW_PWR_STATE_ACTIVE;
- else
- power_state |= FW_PWR_STATE_RF_OFF;
SET_H2CCMD_PWRMODE_PARM_PWR_STATE(u1_h2c_set_pwrmode, power_state);
SET_H2CCMD_PWRMODE_PARM_BYTE5(u1_h2c_set_pwrmode, byte5);
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c
index cacbac7..54f5241 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c
@@ -241,22 +241,70 @@ void rtl8723be_set_fw_pwrmode_cmd(struct ieee80211_hw *hw, u8 mode)
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 u1_h2c_set_pwrmode[H2C_PWEMODE_LENGTH] = { 0 };
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
- u8 rlbm, power_state = 0, byte5 = 0x40;
- RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, "FW LPS mode = %d\n", mode);
+ u8 rlbm, power_state = 0, byte5 = 0;
+ u8 awake_intvl; /* DTIM = (awake_intvl - 1) */
+ struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
+ bool bt_ctrl_lps = btc_ops->btc_is_bt_ctrl_lps(rtlpriv);
+
+ RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "FW LPS mode = %d (coex:%d)\n",
+ mode, bt_ctrl_lps);
+
+ switch (mode) {
+ case FW_PS_MIN_MODE:
+ rlbm = 0;
+ awake_intvl = 2;
+ break;
+ case FW_PS_MAX_MODE:
+ rlbm = 1;
+ awake_intvl = 2;
+ break;
+ case FW_PS_DTIM_MODE:
+ rlbm = 2;
+ awake_intvl = ppsc->reg_max_lps_awakeintvl;
+ /* hw->conf.ps_dtim_period or mac->vif->bss_conf.dtim_period
+ * is only used in swlps.
+ */
+ break;
+ default:
+ rlbm = 2;
+ awake_intvl = 4;
+ break;
+ }
+
+ if (rtlpriv->mac80211.p2p) {
+ awake_intvl = 2;
+ rlbm = 1;
+ }
+
+ if (mode == FW_PS_ACTIVE_MODE) {
+ byte5 = 0x40;
+ power_state = FW_PWR_STATE_ACTIVE;
+ } else {
+ if (bt_ctrl_lps) {
+ byte5 = btc_ops->btc_get_lps_val(rtlpriv);
+ power_state = btc_ops->btc_get_rpwm_val(rtlpriv);
+
+ if ((rlbm == 2) && (byte5 & BIT(4))) {
+ /* Keep awake interval to 1 to prevent from
+ * decreasing coex performance
+ */
+ awake_intvl = 2;
+ rlbm = 2;
+ }
+ } else {
+ byte5 = 0x40;
+ power_state = FW_PWR_STATE_RF_OFF;
+ }
+ }
SET_H2CCMD_PWRMODE_PARM_MODE(u1_h2c_set_pwrmode, ((mode) ? 1 : 0));
- rlbm = 0;/*YJ,temp,120316. FW now not support RLBM=2.*/
SET_H2CCMD_PWRMODE_PARM_RLBM(u1_h2c_set_pwrmode, rlbm);
SET_H2CCMD_PWRMODE_PARM_SMART_PS(u1_h2c_set_pwrmode,
(rtlpriv->mac80211.p2p) ?
ppsc->smart_ps : 1);
SET_H2CCMD_PWRMODE_PARM_AWAKE_INTERVAL(u1_h2c_set_pwrmode,
- ppsc->reg_max_lps_awakeintvl);
+ awake_intvl);
SET_H2CCMD_PWRMODE_PARM_ALL_QUEUE_UAPSD(u1_h2c_set_pwrmode, 0);
- if (mode == FW_PS_ACTIVE_MODE)
- power_state |= FW_PWR_STATE_ACTIVE;
- else
- power_state |= FW_PWR_STATE_RF_OFF;
SET_H2CCMD_PWRMODE_PARM_PWR_STATE(u1_h2c_set_pwrmode, power_state);
SET_H2CCMD_PWRMODE_PARM_BYTE5(u1_h2c_set_pwrmode, byte5);
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c
index 0ce65ef..fc40c2d 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c
@@ -558,24 +558,70 @@ void rtl8821ae_set_fw_pwrmode_cmd(struct ieee80211_hw *hw, u8 mode)
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 u1_h2c_set_pwrmode[H2C_8821AE_PWEMODE_LENGTH] = { 0 };
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
- u8 rlbm, power_state = 0, byte5 = 0x40;
+ u8 rlbm, power_state = 0, byte5 = 0;
+ u8 awake_intvl; /* DTIM = (awake_intvl - 1) */
+ struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
+ bool bt_ctrl_lps = btc_ops->btc_is_bt_ctrl_lps(rtlpriv);
+
+ RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "FW LPS mode = %d (coex:%d)\n",
+ mode, bt_ctrl_lps);
+
+ switch (mode) {
+ case FW_PS_MIN_MODE:
+ rlbm = 0;
+ awake_intvl = 2;
+ break;
+ case FW_PS_MAX_MODE:
+ rlbm = 1;
+ awake_intvl = 2;
+ break;
+ case FW_PS_DTIM_MODE:
+ rlbm = 2;
+ awake_intvl = ppsc->reg_max_lps_awakeintvl;
+ /* hw->conf.ps_dtim_period or mac->vif->bss_conf.dtim_period
+ * is only used in swlps.
+ */
+ break;
+ default:
+ rlbm = 2;
+ awake_intvl = 4;
+ break;
+ }
+
+ if (rtlpriv->mac80211.p2p) {
+ awake_intvl = 2;
+ rlbm = 1;
+ }
- RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, "FW LPS mode = %d\n", mode);
+ if (mode == FW_PS_ACTIVE_MODE) {
+ byte5 = 0x40;
+ power_state = FW_PWR_STATE_ACTIVE;
+ } else {
+ if (bt_ctrl_lps) {
+ byte5 = btc_ops->btc_get_lps_val(rtlpriv);
+ power_state = btc_ops->btc_get_rpwm_val(rtlpriv);
+
+ if ((rlbm == 2) && (byte5 & BIT(4))) {
+ /* Keep awake interval to 1 to prevent from
+ * decreasing coex performance
+ */
+ awake_intvl = 2;
+ rlbm = 2;
+ }
+ } else {
+ byte5 = 0x40;
+ power_state = FW_PWR_STATE_RF_OFF;
+ }
+ }
SET_H2CCMD_PWRMODE_PARM_MODE(u1_h2c_set_pwrmode, ((mode) ? 1 : 0));
- rlbm = 0;/*YJ,temp,120316. FW now not support RLBM=2.*/
SET_H2CCMD_PWRMODE_PARM_RLBM(u1_h2c_set_pwrmode, rlbm);
SET_H2CCMD_PWRMODE_PARM_SMART_PS(u1_h2c_set_pwrmode,
(rtlpriv->mac80211.p2p) ?
ppsc->smart_ps : 1);
SET_H2CCMD_PWRMODE_PARM_AWAKE_INTERVAL(u1_h2c_set_pwrmode,
- ppsc->reg_max_lps_awakeintvl);
+ awake_intvl);
SET_H2CCMD_PWRMODE_PARM_ALL_QUEUE_UAPSD(u1_h2c_set_pwrmode, 0);
- if (mode == FW_PS_ACTIVE_MODE)
- power_state |= FW_PWR_STATE_ACTIVE;
- else
- power_state |= FW_PWR_STATE_RF_OFF;
-
SET_H2CCMD_PWRMODE_PARM_PWR_STATE(u1_h2c_set_pwrmode, power_state);
SET_H2CCMD_PWRMODE_PARM_BYTE5(u1_h2c_set_pwrmode, byte5);
diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h b/drivers/net/wireless/realtek/rtlwifi/wifi.h
index 783e08f..3411f21 100644
--- a/drivers/net/wireless/realtek/rtlwifi/wifi.h
+++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h
@@ -2565,6 +2565,9 @@ struct rtl_btc_ops {
void (*btc_special_packet_notify)(struct rtl_priv *rtlpriv,
u8 pkt_type);
void (*btc_record_pwr_mode)(struct rtl_priv *rtlpriv, u8 *buf, u8 len);
+ u8 (*btc_get_lps_val)(struct rtl_priv *rtlpriv);
+ u8 (*btc_get_rpwm_val)(struct rtl_priv *rtlpriv);
+ bool (*btc_is_bt_ctrl_lps)(struct rtl_priv *rtlpriv);
};
struct proxim {
@@ -3067,9 +3070,4 @@ static inline struct ieee80211_sta *rtl_find_sta(struct ieee80211_hw *hw,
return ieee80211_find_sta(mac->vif, mac_addr);
}
-static inline struct rtl_btc_ops *rtl_btc_get_ops_pointer(void)
-{
- return NULL;
-}
-
#endif
--
2.10.2
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