add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * RTL8XXXU mac80211 USB driver - 8723b specific subdriver
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  *
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@@ -10,15 +11,6 @@
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  * rtl8723au driver. As the Realtek 8xxx chips are very similar in
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  * their programming interface, I have started adding support for
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  * additional 8xxx chips like the 8192cu, 8188cus, etc.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of version 2 of the GNU General Public License as
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- * published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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- * more details.
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  */
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 #include <linux/init.h>
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@@ -890,7 +882,7 @@
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 	u32 i, val32;
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 	int path_a_ok /*, path_b_ok */;
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 	int retry = 2;
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-	const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
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+	static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
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 		REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH,
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 		REG_RX_WAIT_CCA, REG_TX_CCK_RFON,
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 		REG_TX_CCK_BBON, REG_TX_OFDM_RFON,
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@@ -900,11 +892,11 @@
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 		REG_RX_TO_RX, REG_STANDBY,
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 		REG_SLEEP, REG_PMPD_ANAEN
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 	};
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-	const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
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+	static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
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 		REG_TXPAUSE, REG_BEACON_CTRL,
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 		REG_BEACON_CTRL_1, REG_GPIO_MUXCFG
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 	};
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-	const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
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+	static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
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 		REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR,
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 		REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B,
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 		REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE,
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@@ -1533,7 +1525,7 @@
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 	/*
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 	 * WLAN action by PTA
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 	 */
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-	rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x04);
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+	rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x0c);
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 	/*
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 	 * BT select S0/S1 controlled by WiFi
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@@ -1576,16 +1568,19 @@
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 	rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.ant_sel_rsv));
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 	/*
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-	 * 0x280, 0x00, 0x200, 0x80 - not clear
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+	 * Different settings per different antenna position.
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+	 *      Antenna Position:   | Normal   Inverse
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+	 * --------------------------------------------------
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+	 * Antenna switch to BT:    |  0x280,   0x00
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+	 * Antenna switch to WiFi:  |  0x0,     0x280
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+	 * Antenna switch to PTA:   |  0x200,   0x80
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 	 */
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-	rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00);
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+	rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x80);
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 	/*
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 	 * Software control, antenna at WiFi side
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 	 */
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-#ifdef NEED_PS_TDMA
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 	rtl8723bu_set_ps_tdma(priv, 0x08, 0x00, 0x00, 0x00, 0x00);
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-#endif
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 	rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555);
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 	rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x55555555);