[v3,1/7] wifi: rtw89: 8852bt: add set_channel_rf

Message ID	20240720021340.12102-2-pkshih@realtek.com (mailing list archive)
State	Accepted
Delegated to:	Ping-Ke Shih
Headers	show Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 42355B661 for <linux-wireless@vger.kernel.org>; Sat, 20 Jul 2024 02:14:22 +0000 (UTC) code: ctloc85258 From: Ping-Ke Shih <pkshih@realtek.com> To: <linux-wireless@vger.kernel.org> Subject: [PATCH v3 1/7] wifi: rtw89: 8852bt: add set_channel_rf Date: Sat, 20 Jul 2024 10:13:34 +0800 Message-ID: <20240720021340.12102-2-pkshih@realtek.com> In-Reply-To: <20240720021340.12102-1-pkshih@realtek.com> References: <20240720021340.12102-1-pkshih@realtek.com> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain
Series	wifi: rtw89: 8852bt: enable 8852BE-VT \| expand [v3,0/7] wifi: rtw89: 8852bt: enable 8852BE-VT [v3,1/7] wifi: rtw89: 8852bt: add set_channel_rf [v3,2/7] wifi: rtw89: 8852bt: rfk: use predefined string choice for DPK enable/disable [v3,3/7] wifi: rtw89: 8852bt: add chip_info of RTL8852BT [v3,4/7] wifi: rtw89: 8852bt: add chip_ops of RTL8852BT [v3,5/7] wifi: rtw89: 8852bt: declare firmware features of RTL8852BT [v3,6/7] wifi: rtw89: 8852bte: add PCI entry of 8852BE-VT [v3,7/7] wifi: rtw89: 8852bt: add 8852BE-VT to Makefile and Kconfig

diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852bt_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8852bt_rfk.c index 5bdabb45e968..0f2a74269b98 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852bt_rfk.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852bt_rfk.c @@ -4017,3 +4017,229 @@ void rtw8852bt_wifi_scan_notify(struct rtw89_dev *rtwdev, bool scan_start, else rtw8852bt_tssi_default_txagc(rtwdev, phy_idx, false); } + +static void _bw_setting(struct rtw89_dev *rtwdev, enum rtw89_rf_path path, + enum rtw89_bandwidth bw, bool dav) +{ + u32 rf_reg18; + u32 reg18_addr = dav ? RR_CFGCH : RR_CFGCH_V1; + + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RFK]===> %s\n", __func__); + + rf_reg18 = rtw89_read_rf(rtwdev, path, reg18_addr, RFREG_MASK); + if (rf_reg18 == INV_RF_DATA) { + rtw89_debug(rtwdev, RTW89_DBG_RFK, + "[RFK]Invalid RF_0x18 for Path-%d\n", path); + return; + } + rf_reg18 &= ~RR_CFGCH_BW; + + switch (bw) { + case RTW89_CHANNEL_WIDTH_5: + case RTW89_CHANNEL_WIDTH_10: + case RTW89_CHANNEL_WIDTH_20: + rf_reg18 |= FIELD_PREP(RR_CFGCH_BW, CFGCH_BW_20M); + break; + case RTW89_CHANNEL_WIDTH_40: + rf_reg18 |= FIELD_PREP(RR_CFGCH_BW, CFGCH_BW_40M); + break; + case RTW89_CHANNEL_WIDTH_80: + rf_reg18 |= FIELD_PREP(RR_CFGCH_BW, CFGCH_BW_80M); + break; + default: + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RFK]Fail to set CH\n"); + } + + rf_reg18 &= ~(RR_CFGCH_POW_LCK | RR_CFGCH_TRX_AH | RR_CFGCH_BCN | + RR_CFGCH_BW2) & RFREG_MASK; + rf_reg18 |= RR_CFGCH_BW2; + rtw89_write_rf(rtwdev, path, reg18_addr, RFREG_MASK, rf_reg18); + + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RFK] set %x at path%d, %x =0x%x\n", + bw, path, reg18_addr, + rtw89_read_rf(rtwdev, path, reg18_addr, RFREG_MASK)); +} + +static void _ctrl_bw(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy, + enum rtw89_bandwidth bw) +{ + _bw_setting(rtwdev, RF_PATH_A, bw, true); + _bw_setting(rtwdev, RF_PATH_B, bw, true); + _bw_setting(rtwdev, RF_PATH_A, bw, false); + _bw_setting(rtwdev, RF_PATH_B, bw, false); +} + +static bool _set_s0_arfc18(struct rtw89_dev *rtwdev, u32 val) +{ + u32 tmp; + int ret; + + rtw89_write_rf(rtwdev, RF_PATH_A, RR_LCK_TRG, RR_LCK_TRGSEL, 0x1); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_CFGCH, RFREG_MASK, val); + + ret = read_poll_timeout_atomic(rtw89_read_rf, tmp, tmp == 0, 1, 1000, + false, rtwdev, RF_PATH_A, RR_LPF, RR_LPF_BUSY); + if (ret) + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[LCK]LCK timeout\n"); + + rtw89_write_rf(rtwdev, RF_PATH_A, RR_LCK_TRG, RR_LCK_TRGSEL, 0x0); + return !!ret; +} + +static void _lck_check(struct rtw89_dev *rtwdev) +{ + u32 tmp; + + if (rtw89_read_rf(rtwdev, RF_PATH_A, RR_SYNFB, RR_SYNFB_LK) == 0) { + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[LCK]SYN MMD reset\n"); + + rtw89_write_rf(rtwdev, RF_PATH_A, RR_MMD, RR_MMD_RST_EN, 0x1); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_MMD, RR_MMD_RST_SYN, 0x0); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_MMD, RR_MMD_RST_SYN, 0x1); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_MMD, RR_MMD_RST_EN, 0x0); + } + + udelay(10); + + if (rtw89_read_rf(rtwdev, RF_PATH_A, RR_SYNFB, RR_SYNFB_LK) == 0) { + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[LCK]re-set RF 0x18\n"); + + rtw89_write_rf(rtwdev, RF_PATH_A, RR_LCK_TRG, RR_LCK_TRGSEL, 0x1); + tmp = rtw89_read_rf(rtwdev, RF_PATH_A, RR_CFGCH, RFREG_MASK); + _set_s0_arfc18(rtwdev, tmp); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_LCK_TRG, RR_LCK_TRGSEL, 0x0); + } + + if (rtw89_read_rf(rtwdev, RF_PATH_A, RR_SYNFB, RR_SYNFB_LK) == 0) { + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[LCK]SYN off/on\n"); + + tmp = rtw89_read_rf(rtwdev, RF_PATH_A, RR_POW, RFREG_MASK); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RFREG_MASK, tmp); + tmp = rtw89_read_rf(rtwdev, RF_PATH_A, RR_SX, RFREG_MASK); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_SX, RFREG_MASK, tmp); + + rtw89_write_rf(rtwdev, RF_PATH_A, RR_SYNLUT, RR_SYNLUT_MOD, 0x1); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RR_POW_SYN, 0x0); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RR_POW_SYN, 0x3); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_SYNLUT, RR_SYNLUT_MOD, 0x0); + + rtw89_write_rf(rtwdev, RF_PATH_A, RR_LCK_TRG, RR_LCK_TRGSEL, 0x1); + tmp = rtw89_read_rf(rtwdev, RF_PATH_A, RR_CFGCH, RFREG_MASK); + _set_s0_arfc18(rtwdev, tmp); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_LCK_TRG, RR_LCK_TRGSEL, 0x0); + + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[LCK]0xb2=%x, 0xc5=%x\n", + rtw89_read_rf(rtwdev, RF_PATH_A, RR_VCO, RFREG_MASK), + rtw89_read_rf(rtwdev, RF_PATH_A, RR_SYNFB, RFREG_MASK)); + } +} + +static void _set_ch(struct rtw89_dev *rtwdev, u32 val) +{ + bool timeout; + u32 bak; + + bak = rtw89_read_rf(rtwdev, RF_PATH_A, RR_LDO, RFREG_MASK); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_LDO, RR_LDO_SEL, 0x1); + timeout = _set_s0_arfc18(rtwdev, val); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_LDO, RFREG_MASK, bak); + if (!timeout) + _lck_check(rtwdev); +} + +static void _ch_setting(struct rtw89_dev *rtwdev, enum rtw89_rf_path path, + u8 central_ch, bool dav) +{ + u32 reg18_addr = dav ? RR_CFGCH : RR_CFGCH_V1; + bool is_2g_ch = central_ch <= 14; + u32 rf_reg18; + + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RFK]===> %s\n", __func__); + + rf_reg18 = rtw89_read_rf(rtwdev, path, reg18_addr, RFREG_MASK); + rf_reg18 &= ~(RR_CFGCH_BAND1 | RR_CFGCH_POW_LCK | RR_CFGCH_TRX_AH | + RR_CFGCH_BCN | RR_CFGCH_BAND0 | RR_CFGCH_CH); + rf_reg18 |= FIELD_PREP(RR_CFGCH_CH, central_ch); + + if (!is_2g_ch) + rf_reg18 |= FIELD_PREP(RR_CFGCH_BAND1, CFGCH_BAND1_5G) | + FIELD_PREP(RR_CFGCH_BAND0, CFGCH_BAND0_5G); + + rf_reg18 &= ~(RR_CFGCH_POW_LCK | RR_CFGCH_TRX_AH | RR_CFGCH_BCN | + RR_CFGCH_BW2) & RFREG_MASK; + rf_reg18 |= RR_CFGCH_BW2; + + if (path == RF_PATH_A && dav) + _set_ch(rtwdev, rf_reg18); + else + rtw89_write_rf(rtwdev, path, reg18_addr, RFREG_MASK, rf_reg18); + + rtw89_write_rf(rtwdev, path, RR_LCKST, RR_LCKST_BIN, 0); + rtw89_write_rf(rtwdev, path, RR_LCKST, RR_LCKST_BIN, 1); + + rtw89_debug(rtwdev, RTW89_DBG_RFK, + "[RFK]CH: %d for Path-%d, reg0x%x = 0x%x\n", + central_ch, path, reg18_addr, + rtw89_read_rf(rtwdev, path, reg18_addr, RFREG_MASK)); +} + +static void _ctrl_ch(struct rtw89_dev *rtwdev, u8 central_ch) +{ + _ch_setting(rtwdev, RF_PATH_A, central_ch, true); + _ch_setting(rtwdev, RF_PATH_B, central_ch, true); + _ch_setting(rtwdev, RF_PATH_A, central_ch, false); + _ch_setting(rtwdev, RF_PATH_B, central_ch, false); +} + +static void _set_rxbb_bw(struct rtw89_dev *rtwdev, enum rtw89_bandwidth bw, + enum rtw89_rf_path path) +{ + rtw89_write_rf(rtwdev, path, RR_LUTWE2, RR_LUTWE2_RTXBW, 0x1); + rtw89_write_rf(rtwdev, path, RR_LUTWA, RR_LUTWA_M2, 0x12); + + if (bw == RTW89_CHANNEL_WIDTH_20) + rtw89_write_rf(rtwdev, path, RR_LUTWD0, RR_LUTWD0_LB, 0x1b); + else if (bw == RTW89_CHANNEL_WIDTH_40) + rtw89_write_rf(rtwdev, path, RR_LUTWD0, RR_LUTWD0_LB, 0x13); + else if (bw == RTW89_CHANNEL_WIDTH_80) + rtw89_write_rf(rtwdev, path, RR_LUTWD0, RR_LUTWD0_LB, 0xb); + else + rtw89_write_rf(rtwdev, path, RR_LUTWD0, RR_LUTWD0_LB, 0x3); + + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RFK] set S%d RXBB BW 0x3F = 0x%x\n", + path, rtw89_read_rf(rtwdev, path, RR_LUTWD0, RR_LUTWD0_LB)); + + rtw89_write_rf(rtwdev, path, RR_LUTWE2, RR_LUTWE2_RTXBW, 0x0); +} + +static void _rxbb_bw(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy, + enum rtw89_bandwidth bw) +{ + u8 kpath, path; + + kpath = _kpath(rtwdev, phy); + + for (path = 0; path < RF_PATH_NUM_8852BT; path++) { + if (!(kpath & BIT(path))) + continue; + + _set_rxbb_bw(rtwdev, bw, path); + } +} + +static void rtw8852bt_ctrl_bw_ch(struct rtw89_dev *rtwdev, + enum rtw89_phy_idx phy, u8 central_ch, + enum rtw89_band band, enum rtw89_bandwidth bw) +{ + _ctrl_ch(rtwdev, central_ch); + _ctrl_bw(rtwdev, phy, bw); + _rxbb_bw(rtwdev, phy, bw); +} + +void rtw8852bt_set_channel_rf(struct rtw89_dev *rtwdev, + const struct rtw89_chan *chan, + enum rtw89_phy_idx phy_idx) +{ + rtw8852bt_ctrl_bw_ch(rtwdev, phy_idx, chan->channel, chan->band_type, + chan->band_width); +} diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852bt_rfk.h b/drivers/net/wireless/realtek/rtw89/rtw8852bt_rfk.h index 09918835c6e8..ef3d98f80400 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852bt_rfk.h +++ b/drivers/net/wireless/realtek/rtw89/rtw8852bt_rfk.h @@ -18,5 +18,8 @@ void rtw8852bt_tssi(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy, bool hwtx_ 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); +void rtw8852bt_set_channel_rf(struct rtw89_dev *rtwdev, + const struct rtw89_chan *chan, + enum rtw89_phy_idx phy_idx); #endif

[v3,1/7] wifi: rtw89: 8852bt: add set_channel_rf

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