[1/5] wifi: rtw89: 8851b: add set_channel_rf()

Message ID	20230424065242.17477-2-pkshih@realtek.com (mailing list archive)
State	Accepted
Commit	2a59fe291fb3f1cbe6f08b96b47af84b9fd5b207
Delegated to:	Kalle Valo
Headers	show Return-Path: <linux-wireless-owner@vger.kernel.org> Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 33O6r6Rr9029968, This message is accepted by code: ctloc85258 From: Ping-Ke Shih <pkshih@realtek.com> To: <kvalo@kernel.org> CC: <linux-wireless@vger.kernel.org> Subject: [PATCH 1/5] wifi: rtw89: 8851b: add set_channel_rf() Date: Mon, 24 Apr 2023 14:52:38 +0800 Message-ID: <20230424065242.17477-2-pkshih@realtek.com> In-Reply-To: <20230424065242.17477-1-pkshih@realtek.com> References: <20230424065242.17477-1-pkshih@realtek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII Precedence: bulk
Series	wifi: rtw89: 8851b: add set_channel of RF and RF calibrations \| expand [0/5] wifi: rtw89: 8851b: add set_channel of RF and RF calibrations [1/5] wifi: rtw89: 8851b: add set_channel_rf() [2/5] wifi: rtw89: 8851b: rfk: add AACK [3/5] wifi: rtw89: 8851b: rfk: add RCK [4/5] wifi: rtw89: 8851b: rfk: add DACK [5/5] wifi: rtw89: 8851b: rfk: add IQK

diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.c new file mode 100644 index 0000000000000..9276e852bb051 --- /dev/null +++ b/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.c @@ -0,0 +1,239 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* Copyright(c) 2022-2023 Realtek Corporation + */ + +#include "coex.h" +#include "debug.h" +#include "mac.h" +#include "phy.h" +#include "reg.h" +#include "rtw8851b.h" +#include "rtw8851b_rfk.h" +#include "rtw8851b_rfk_table.h" +#include "rtw8851b_table.h" + +static u8 _kpath(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx) +{ + return RF_A; +} + +static void _bw_setting(struct rtw89_dev *rtwdev, enum rtw89_rf_path path, + enum rtw89_bandwidth bw, bool dav) +{ + u32 reg18_addr = dav ? RR_CFGCH : RR_CFGCH_V1; + u32 rf_reg18; + + 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_A, bw, false); +} + +static bool _set_s0_arfc18(struct rtw89_dev *rtwdev, u32 val) +{ + u32 bak; + u32 tmp; + int ret; + + 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); + 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_LDO, RFREG_MASK, bak); + + 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; + + timeout = _set_s0_arfc18(rtwdev, val); + 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_A, 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_8851B; path++) { + if (!(kpath & BIT(path))) + continue; + + _set_rxbb_bw(rtwdev, bw, path); + } +} + +static void rtw8851b_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 rtw8851b_set_channel_rf(struct rtw89_dev *rtwdev, + const struct rtw89_chan *chan, + enum rtw89_phy_idx phy_idx) +{ + rtw8851b_ctrl_bw_ch(rtwdev, phy_idx, chan->channel, chan->band_type, + chan->band_width); +} diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.h b/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.h new file mode 100644 index 0000000000000..c81eb98dcf928 --- /dev/null +++ b/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* Copyright(c) 2022-2023 Realtek Corporation + */ + +#ifndef __RTW89_8851B_RFK_H__ +#define __RTW89_8851B_RFK_H__ + +#include "core.h" + +void rtw8851b_set_channel_rf(struct rtw89_dev *rtwdev, + const struct rtw89_chan *chan, + enum rtw89_phy_idx phy_idx); + +#endif

[1/5] wifi: rtw89: 8851b: add set_channel_rf()

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