wifi: rtw89: 8852bt: rfk: add TSSI

TSSI is transmitter signal strength indication, which is a close-loop
hardware circuit to feedback actual transmitting power as a reference for
next transmission.

It does full calibration when we are going to connect an AP. When switching
bands or channels for scanning or some reasons, reset hardware status to
prevent use wrong power value feedback from previous transmission.

It also loads tables of compensation values reflecting current temperature
into registers according to channel and band group to transmit packets
with expected power.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240621073458.55187-2-pkshih@realtek.com

drivers/net/wireless/realtek/rtw89/reg.h

@@ -9017,6 +9017,7 @@
 #define R_IQRSN 0x8220
 #define B_IQRSN_K1 BIT(28)
 #define B_IQRSN_K2 BIT(16)
+#define R_DPD_CH0B 0x82BC
 #define R_RXCFIR_P0C0 0x8D40
 #define R_RXCFIR_P0C1 0x8D84
 #define R_RXCFIR_P0C2 0x8DC8

drivers/net/wireless/realtek/rtw89/rtw8852bt.h

+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2024 Realtek Corporation
+ */
+
+#ifndef __RTW89_8852BT_H__
+#define __RTW89_8852BT_H__
+
+#include "core.h"
+
+#define RF_PATH_NUM_8852BT 2
+#define BB_PATH_NUM_8852BT 2
+
+#endif

drivers/net/wireless/realtek/rtw89/rtw8852bt_rfk.h

+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2024 Realtek Corporation
+ */
+
+#ifndef __RTW89_8852BT_RFK_H__
+#define __RTW89_8852BT_RFK_H__
+
+#include "core.h"
+
+void rtw8852bt_tssi(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy, bool hwtx_en);
+void rtw8852bt_tssi_scan(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy);
+void rtw8852bt_wifi_scan_notify(struct rtw89_dev *rtwdev, bool scan_start,
+				enum rtw89_phy_idx phy_idx);
+
+#endif

drivers/net/wireless/realtek/rtw89/rtw8852bt_rfk_table.h

+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2024 Realtek Corporation
+ */
+
+#ifndef __RTW89_8852BT_RFK_TABLE_H__
+#define __RTW89_8852BT_RFK_TABLE_H__
+
+#include "phy.h"
+
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_sys_defs_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_sys_a_defs_2g_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_sys_a_defs_5g_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_sys_b_defs_2g_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_sys_b_defs_5g_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_init_txpwr_defs_a_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_init_txpwr_defs_b_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_init_txpwr_he_tb_defs_a_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_init_txpwr_he_tb_defs_b_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_dck_defs_a_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_dck_defs_b_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_dac_gain_defs_a_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_dac_gain_defs_b_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_slope_a_defs_2g_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_slope_a_defs_5g_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_slope_b_defs_2g_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_slope_b_defs_5g_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_align_a_2g_all_defs_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_align_a_5g1_all_defs_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_align_a_5g2_all_defs_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_align_a_5g3_all_defs_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_align_b_2g_all_defs_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_align_b_5g1_all_defs_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_align_b_5g2_all_defs_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_align_b_5g3_all_defs_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_slope_defs_a_tbl;
+extern const struct rtw89_rfk_tbl rtw8852bt_tssi_slope_defs_b_tbl;
+
+#endif