wifi: rtw89: 8922d: add ops related to BT coexistence mechanism

The ops is used by shared BT coexistence mechanism to set WiFi TX power,
get BT RSSI, and TX/RX parameters.

The RTL8922D uses TX/RX parameter v9, so define it and fill NULL for
other chips.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260330065847.48946-8-pkshih@realtek.com

8 files changed, 168 insertions, 0 deletions

diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 4b4d25d8ba98..fd29dbbb120d 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -873,6 +873,14 @@ enum rtw89_phy_idx {
 	RTW89_PHY_NUM,
 };
 
+enum rtw89_fbtc_bt_index {
+	BTC_BT_1ST = 0x0,
+	BTC_BT_2ND = 0x1,
+	BTC_BT_EXT = 0x2,
+	BTC_ALL_BT = 0x2,
+	BTC_ALL_BT_EZL = 0x3 /* BT0+BT1+Ext-ZB(or Thread, or LTE) */
+};
+
 #define __RTW89_MLD_MAX_LINK_NUM 2
 #define RTW89_MLD_NON_STA_LINK_NUM 1
 
@@ -2197,6 +2205,15 @@ struct rtw89_btc_bt_info {
 	u32 rsvd: 17;
 };
 
+struct rtw89_btc_rf_trx_para_v9 {
+	u32 wl_tx_power[RTW89_PHY_NUM]; /* absolute Tx power (dBm), 1's complement -5->0x85 */
+	u32 wl_rx_gain[RTW89_PHY_NUM]; /* rx gain table index (TBD.) */
+	u32 bt_tx_power[BTC_ALL_BT]; /* decrease Tx power (dB) */
+	u32 bt_rx_gain[BTC_ALL_BT]; /* LNA constrain level */
+	u32 zb_tx_power[BTC_ALL_BT]; /* 15.4 devrease Tx power (dB) */
+	u32 zb_rx_gain[BTC_ALL_BT]; /* 15.4 constrain level */
+};
+
 struct rtw89_btc_cx {
 	struct rtw89_btc_wl_info wl;
 	struct rtw89_btc_bt_info bt;
@@ -4609,6 +4626,10 @@ struct rtw89_chip_info {
 	const struct rtw89_btc_rf_trx_para *rf_para_ulink;
 	u8 rf_para_dlink_num;
 	const struct rtw89_btc_rf_trx_para *rf_para_dlink;
+	const struct rtw89_btc_rf_trx_para_v9 *rf_para_ulink_v9;
+	const struct rtw89_btc_rf_trx_para_v9 *rf_para_dlink_v9;
+	u8 rf_para_ulink_num_v9;
+	u8 rf_para_dlink_num_v9;
 	u8 ps_mode_supported;
 	u8 low_power_hci_modes;
 
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851b.c b/drivers/net/wireless/realtek/rtw89/rtw8851b.c
index 2005934f64d2..84bdd39b3ceb 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8851b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8851b.c
@@ -2681,6 +2681,10 @@ const struct rtw89_chip_info rtw8851b_chip_info = {
 	.rf_para_ulink		= rtw89_btc_8851b_rf_ul,
 	.rf_para_dlink_num	= ARRAY_SIZE(rtw89_btc_8851b_rf_dl),
 	.rf_para_dlink		= rtw89_btc_8851b_rf_dl,
+	.rf_para_ulink_v9	= NULL,
+	.rf_para_dlink_v9	= NULL,
+	.rf_para_ulink_num_v9	= 0,
+	.rf_para_dlink_num_v9	= 0,
 	.ps_mode_supported	= BIT(RTW89_PS_MODE_RFOFF) |
 				  BIT(RTW89_PS_MODE_CLK_GATED),
 	.low_power_hci_modes	= 0,
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852a.c b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
index 12ed35f548c1..1d4f1df524a1 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
@@ -2418,6 +2418,10 @@ const struct rtw89_chip_info rtw8852a_chip_info = {
 	.rf_para_ulink		= rtw89_btc_8852a_rf_ul,
 	.rf_para_dlink_num	= ARRAY_SIZE(rtw89_btc_8852a_rf_dl),
 	.rf_para_dlink		= rtw89_btc_8852a_rf_dl,
+	.rf_para_ulink_v9	= NULL,
+	.rf_para_dlink_v9	= NULL,
+	.rf_para_ulink_num_v9	= 0,
+	.rf_para_dlink_num_v9	= 0,
 	.ps_mode_supported	= BIT(RTW89_PS_MODE_RFOFF) |
 				  BIT(RTW89_PS_MODE_CLK_GATED) |
 				  BIT(RTW89_PS_MODE_PWR_GATED),
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
index dcb15f26c1b1..5e8738bb2dc2 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
@@ -1014,6 +1014,10 @@ const struct rtw89_chip_info rtw8852b_chip_info = {
 	.rf_para_ulink		= rtw89_btc_8852b_rf_ul,
 	.rf_para_dlink_num	= ARRAY_SIZE(rtw89_btc_8852b_rf_dl),
 	.rf_para_dlink		= rtw89_btc_8852b_rf_dl,
+	.rf_para_ulink_v9	= NULL,
+	.rf_para_dlink_v9	= NULL,
+	.rf_para_ulink_num_v9	= 0,
+	.rf_para_dlink_num_v9	= 0,
 	.ps_mode_supported	= BIT(RTW89_PS_MODE_RFOFF) |
 				  BIT(RTW89_PS_MODE_CLK_GATED) |
 				  BIT(RTW89_PS_MODE_PWR_GATED),
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852bt.c b/drivers/net/wireless/realtek/rtw89/rtw8852bt.c
index 2afc6908cc7e..ab4263bc8b9f 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852bt.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852bt.c
@@ -853,6 +853,10 @@ const struct rtw89_chip_info rtw8852bt_chip_info = {
 	.rf_para_ulink		= rtw89_btc_8852bt_rf_ul,
 	.rf_para_dlink_num	= ARRAY_SIZE(rtw89_btc_8852bt_rf_dl),
 	.rf_para_dlink		= rtw89_btc_8852bt_rf_dl,
+	.rf_para_ulink_v9	= NULL,
+	.rf_para_dlink_v9	= NULL,
+	.rf_para_ulink_num_v9	= 0,
+	.rf_para_dlink_num_v9	= 0,
 	.ps_mode_supported	= BIT(RTW89_PS_MODE_RFOFF) |
 				  BIT(RTW89_PS_MODE_CLK_GATED) |
 				  BIT(RTW89_PS_MODE_PWR_GATED),
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
index 5f9da0f85bb5..40db7e3c0d97 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
@@ -3211,6 +3211,10 @@ const struct rtw89_chip_info rtw8852c_chip_info = {
 	.rf_para_ulink		= rtw89_btc_8852c_rf_ul,
 	.rf_para_dlink_num	= ARRAY_SIZE(rtw89_btc_8852c_rf_dl),
 	.rf_para_dlink		= rtw89_btc_8852c_rf_dl,
+	.rf_para_ulink_v9	= NULL,
+	.rf_para_dlink_v9	= NULL,
+	.rf_para_ulink_num_v9	= 0,
+	.rf_para_dlink_num_v9	= 0,
 	.ps_mode_supported	= BIT(RTW89_PS_MODE_RFOFF) |
 				  BIT(RTW89_PS_MODE_CLK_GATED) |
 				  BIT(RTW89_PS_MODE_PWR_GATED),
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8922a.c b/drivers/net/wireless/realtek/rtw89/rtw8922a.c
index 5f83e71ed218..8f6cf64271e8 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8922a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8922a.c
@@ -3015,6 +3015,10 @@ const struct rtw89_chip_info rtw8922a_chip_info = {
 	.rf_para_ulink		= rtw89_btc_8922a_rf_ul,
 	.rf_para_dlink_num	= ARRAY_SIZE(rtw89_btc_8922a_rf_dl),
 	.rf_para_dlink		= rtw89_btc_8922a_rf_dl,
+	.rf_para_ulink_v9	= NULL,
+	.rf_para_dlink_v9	= NULL,
+	.rf_para_ulink_num_v9	= 0,
+	.rf_para_dlink_num_v9	= 0,
 	.ps_mode_supported	= BIT(RTW89_PS_MODE_RFOFF) |
 				  BIT(RTW89_PS_MODE_CLK_GATED) |
 				  BIT(RTW89_PS_MODE_PWR_GATED),
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8922d.c b/drivers/net/wireless/realtek/rtw89/rtw8922d.c
index 49b84d49ccac..a9a7ffb5fb58 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8922d.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8922d.c
@@ -2619,6 +2619,129 @@ static u32 rtw8922d_chan_to_rf18_val(struct rtw89_dev *rtwdev,
 	return val;
 }
 
+static void rtw8922d_btc_set_rfe(struct rtw89_dev *rtwdev)
+{
+}
+
+static void rtw8922d_btc_init_cfg(struct rtw89_dev *rtwdev)
+{
+	/* offload to firmware */
+}
+
+static void
+rtw8922d_btc_set_wl_txpwr_ctrl(struct rtw89_dev *rtwdev, u32 txpwr_val)
+{
+	u16 ctrl_all_time = u32_get_bits(txpwr_val, GENMASK(15, 0));
+	u16 ctrl_gnt_bt = u32_get_bits(txpwr_val, GENMASK(31, 16));
+
+	switch (ctrl_all_time) {
+	case 0xffff:
+		rtw89_mac_txpwr_write32_mask(rtwdev, RTW89_PHY_0, R_BE_PWR_RATE_CTRL,
+					     B_BE_FORCE_PWR_BY_RATE_EN, 0x0);
+		rtw89_mac_txpwr_write32_mask(rtwdev, RTW89_PHY_0, R_BE_PWR_RATE_CTRL,
+					     B_BE_FORCE_PWR_BY_RATE_VAL, 0x0);
+		break;
+	default:
+		rtw89_mac_txpwr_write32_mask(rtwdev, RTW89_PHY_0, R_BE_PWR_RATE_CTRL,
+					     B_BE_FORCE_PWR_BY_RATE_VAL, ctrl_all_time);
+		rtw89_mac_txpwr_write32_mask(rtwdev, RTW89_PHY_0, R_BE_PWR_RATE_CTRL,
+					     B_BE_FORCE_PWR_BY_RATE_EN, 0x1);
+		break;
+	}
+
+	switch (ctrl_gnt_bt) {
+	case 0xffff:
+		rtw89_mac_txpwr_write32_mask(rtwdev, RTW89_PHY_0, R_BE_PWR_REG_CTRL,
+					     B_BE_PWR_BT_EN, 0x0);
+		rtw89_mac_txpwr_write32_mask(rtwdev, RTW89_PHY_0, R_BE_PWR_COEX_CTRL,
+					     B_BE_PWR_BT_VAL, 0x0);
+		break;
+	default:
+		rtw89_mac_txpwr_write32_mask(rtwdev, RTW89_PHY_0, R_BE_PWR_COEX_CTRL,
+					     B_BE_PWR_BT_VAL, ctrl_gnt_bt);
+		rtw89_mac_txpwr_write32_mask(rtwdev, RTW89_PHY_0, R_BE_PWR_REG_CTRL,
+					     B_BE_PWR_BT_EN, 0x1);
+		break;
+	}
+}
+
+static
+s8 rtw8922d_btc_get_bt_rssi(struct rtw89_dev *rtwdev, s8 val)
+{
+	return clamp_t(s8, val, -100, 0) + 100;
+}
+
+static const struct rtw89_btc_rf_trx_para_v9 rtw89_btc_8922d_rf_ul_v9[] = {
+	/*
+	 * 0 -> original
+	 * 1 -> for BT-connected ACI issue && BTG co-rx
+	 * 2 ~ 4 ->reserved for shared-antenna
+	 * 5 ~ 8 ->for non-shared-antenna free-run
+	 */
+	{{15, 15}, {0, 0}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{15, 15}, {2, 2}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{15, 15}, {0, 0}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{15, 15}, {0, 0}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{15, 15}, {0, 0}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{15, 15}, {1, 1}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{ 6,  6}, {1, 1}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{13, 13}, {1, 1}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{13, 13}, {1, 1}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+};
+
+static const struct rtw89_btc_rf_trx_para_v9 rtw89_btc_8922d_rf_dl_v9[] = {
+	/*
+	 * 0 -> original
+	 * 1 -> for BT-connected ACI issue && BTG co-rx
+	 * 2 ~ 4 ->reserved for shared-antenna
+	 * 5 ~ 8 ->for non-shared-antenna free-run
+	 */
+	{{15, 15}, {0, 0}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{15, 15}, {2, 2}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{15, 15}, {0, 0}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{15, 15}, {0, 0}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{15, 15}, {0, 0}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{15, 15}, {1, 1}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{15, 15}, {1, 1}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{15, 15}, {1, 1}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+	{{15, 15}, {1, 1}, {0, 0}, {7, 7}, {0, 0}, {0, 0}},
+};
+
+static const u8 rtw89_btc_8922d_wl_rssi_thres[BTC_WL_RSSI_THMAX] = {60, 50, 40, 30};
+static const u8 rtw89_btc_8922d_bt_rssi_thres[BTC_BT_RSSI_THMAX] = {50, 40, 30, 20};
+
+static const struct rtw89_btc_fbtc_mreg rtw89_btc_8922d_mon_reg[] = {
+	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xe300),
+	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xe330),
+	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xe334),
+	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xe338),
+	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xe344),
+	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xe348),
+	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xe34c),
+	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xe350),
+	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xe354),
+	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xe35c),
+	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xe370),
+	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xe380),
+};
+
+static
+void rtw8922d_btc_update_bt_cnt(struct rtw89_dev *rtwdev)
+{
+	/* Feature move to firmware */
+}
+
+static
+void rtw8922d_btc_wl_s1_standby(struct rtw89_dev *rtwdev, bool state)
+{
+	/* Feature move to firmware */
+}
+
+static void rtw8922d_btc_set_wl_rx_gain(struct rtw89_dev *rtwdev, u32 level)
+{
+	/* Feature move to firmware */
+}
+
 MODULE_FIRMWARE(RTW8922D_MODULE_FIRMWARE);
 MODULE_FIRMWARE(RTW8922DS_MODULE_FIRMWARE);
 MODULE_AUTHOR("Realtek Corporation");