rtlwifi: btcoex: 21a 2ant: settings before wifi firmware is ready (4a279c2b) · Commits · 戴 / test

drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c

+37 −0

Original line number	Diff line number	Diff line
		@@ -3609,6 +3609,43 @@ void ex_btc8821a2ant_init_hwconfig(struct btc_coexist *btcoexist)
		btcoexist->btc_write_1byte_bitmask(btcoexist, 0x40, 0x20, 0x1);
		}

		void ex_btc8821a2ant_pre_load_firmware(struct btc_coexist *btcoexist)
		{
		struct btc_board_info *board_info = &btcoexist->board_info;
		u8 u8tmp = 0x4; /* Set BIT2 by default since it's 2ant case */

		/**
		* S0 or S1 setting and Local register setting(By the setting fw can get
		* ant number, S0/S1, ... info)
		*
		* Local setting bit define
		* BIT0: "0" for no antenna inverse; "1" for antenna inverse
		* BIT1: "0" for internal switch; "1" for external switch
		* BIT2: "0" for one antenna; "1" for two antenna
		* NOTE: here default all internal switch and 1-antenna ==> BIT1=0 and
		* BIT2=0
		*/
		if (btcoexist->chip_interface == BTC_INTF_USB) {
		/* fixed at S0 for USB interface */
		u8tmp \|= 0x1; /* antenna inverse */
		btcoexist->btc_write_local_reg_1byte(btcoexist, 0xfe08, u8tmp);
		} else {
		/* for PCIE and SDIO interface, we check efuse 0xc3[6] */
		if (board_info->single_ant_path == 0) {
		} else if (board_info->single_ant_path == 1) {
		/* set to S0 */
		u8tmp \|= 0x1; /* antenna inverse */
		}

		if (btcoexist->chip_interface == BTC_INTF_PCI)
		btcoexist->btc_write_local_reg_1byte(btcoexist, 0x384,
		u8tmp);
		else if (btcoexist->chip_interface == BTC_INTF_SDIO)
		btcoexist->btc_write_local_reg_1byte(btcoexist, 0x60,
		u8tmp);
		}
		}

		void ex_btc8821a2ant_init_coex_dm(struct btc_coexist *btcoexist)
		{
		struct rtl_priv *rtlpriv = btcoexist->adapter;