From patchwork Mon Jan 4 09:18:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 357343 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 67EB6C433E0 for ; Mon, 4 Jan 2021 09:20:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2E7E821D79 for ; Mon, 4 Jan 2021 09:20:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726731AbhADJUV (ORCPT ); Mon, 4 Jan 2021 04:20:21 -0500 Received: from rtits2.realtek.com ([211.75.126.72]:52201 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726711AbhADJUV (ORCPT ); Mon, 4 Jan 2021 04:20:21 -0500 Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 1049JaXO2023904, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexmbs04.realtek.com.tw[172.21.6.97]) by rtits2.realtek.com.tw (8.15.2/2.70/5.88) with ESMTPS id 1049JaXO2023904 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Mon, 4 Jan 2021 17:19:36 +0800 Received: from localhost (172.21.69.213) by RTEXMBS04.realtek.com.tw (172.21.6.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Mon, 4 Jan 2021 17:19:36 +0800 From: Ping-Ke Shih To: CC: Subject: [PATCH V2 02/18] rtw89: add BT coexistence files Date: Mon, 4 Jan 2021 17:18:01 +0800 Message-ID: <20210104091817.15966-3-pkshih@realtek.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20210104091817.15966-1-pkshih@realtek.com> References: <20210104091817.15966-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.21.69.213] X-ClientProxiedBy: RTEXMBS02.realtek.com.tw (172.21.6.95) To RTEXMBS04.realtek.com.tw (172.21.6.97) Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org BT coexistence uses TDMA-based mechanism to coordinate with WiFi and BT. Currently, it only set antenna statically for WiFi-only case, and full version will be updated later. Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/coex.c | 385 ++++++++++++++++++++++ drivers/net/wireless/realtek/rtw89/coex.h | 102 ++++++ 2 files changed, 487 insertions(+) create mode 100644 drivers/net/wireless/realtek/rtw89/coex.c create mode 100644 drivers/net/wireless/realtek/rtw89/coex.h diff --git a/drivers/net/wireless/realtek/rtw89/coex.c b/drivers/net/wireless/realtek/rtw89/coex.c new file mode 100644 index 000000000000..cf402bc76b6f --- /dev/null +++ b/drivers/net/wireless/realtek/rtw89/coex.c @@ -0,0 +1,385 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* Copyright(c) 2019-2020 Realtek Corporation + */ + +#include "coex.h" +#include "debug.h" +#include "mac.h" + +enum btc_phymap { + BTC_PHY_0 = BIT(0), + BTC_PHY_1 = BIT(1), + BTC_PHY_ALL = BIT(0) | BIT(1), +}; + +enum btc_cx_state_map { + BTC_WIDLE = 0, + BTC_WBUSY_BNOSCAN, + BTC_WBUSY_BSCAN, + BTC_WSCAN_BNOSCAN, + BTC_WSCAN_BSCAN, + BTC_WLINKING +}; + +enum btc_ant_phase { + BTC_ANT_WPOWERON = 0, + BTC_ANT_WINIT, + BTC_ANT_WONLY, + BTC_ANT_WOFF, + BTC_ANT_W2G, + BTC_ANT_W5G, + BTC_ANT_W25G, + BTC_ANT_FREERUN, + BTC_ANT_WRFK, + BTC_ANT_BRFK, + BTC_ANT_MAX +}; + +enum btc_plt { + BTC_PLT_NONE = 0, + BTC_PLT_LTE_RX = BIT(0), + BTC_PLT_GNT_BT_TX = BIT(1), + BTC_PLT_GNT_BT_RX = BIT(2), + BTC_PLT_GNT_WL = BIT(3), + BTC_PLT_BT = BIT(1) | BIT(2), + BTC_PLT_ALL = 0xf +}; + +enum btc_cx_poicy_main_type { + BTC_CXP_OFF = 0, + BTC_CXP_OFFB, + BTC_CXP_OFFE, + BTC_CXP_FIX, + BTC_CXP_PFIX, + BTC_CXP_AUTO, + BTC_CXP_PAUTO, + BTC_CXP_AUTO2, + BTC_CXP_PAUTO2, + BTC_CXP_MANUAL, + BTC_CXP_USERDEF0, + BTC_CXP_MAIN_MAX +}; + +enum btc_cx_poicy_type { + /* TDMA off + pri: BT > WL */ + BTC_CXP_OFF_BT = (BTC_CXP_OFF << 8) | 0, + + /* TDMA off + pri: WL > BT */ + BTC_CXP_OFF_WL = (BTC_CXP_OFF << 8) | 1, + + /* TDMA off + pri: BT = WL */ + BTC_CXP_OFF_EQ0 = (BTC_CXP_OFF << 8) | 2, + + /* TDMA off + pri: BT = WL > BT_Lo */ + BTC_CXP_OFF_EQ1 = (BTC_CXP_OFF << 8) | 3, + + /* TDMA off + pri: WL = BT, BT_Rx > WL_Lo_Tx */ + BTC_CXP_OFF_EQ2 = (BTC_CXP_OFF << 8) | 4, + + /* TDMA off + pri: WL_Rx = BT, BT_HI > WL_Tx > BT_Lo */ + BTC_CXP_OFF_EQ3 = (BTC_CXP_OFF << 8) | 5, + + /* TDMA off + pri: BT_Hi > WL > BT_Lo */ + BTC_CXP_OFF_BWB0 = (BTC_CXP_OFF << 8) | 6, + + /* TDMA off + pri: WL_Hi-Tx > BT_Hi_Rx, BT_Hi > WL > BT_Lo */ + BTC_CXP_OFF_BWB1 = (BTC_CXP_OFF << 8) | 7, + + /* TDMA off+Bcn-Protect + pri: WL_Hi-Tx > BT_Hi_Rx, BT_Hi > WL > BT_Lo*/ + BTC_CXP_OFFB_BWB0 = (BTC_CXP_OFFB << 8) | 0, + + /* TDMA off + Ext-Ctrl + pri: default */ + BTC_CXP_OFFE_DEF = (BTC_CXP_OFFE << 8) | 0, + + /* TDMA Fix slot-0: W1:B1 = 30:30 */ + BTC_CXP_FIX_TD3030 = (BTC_CXP_FIX << 8) | 0, + + /* TDMA Fix slot-1: W1:B1 = 50:50 */ + BTC_CXP_FIX_TD5050 = (BTC_CXP_FIX << 8) | 1, + + /* TDMA Fix slot-2: W1:B1 = 20:30 */ + BTC_CXP_FIX_TD2030 = (BTC_CXP_FIX << 8) | 2, + + /* TDMA Fix slot-3: W1:B1 = 40:10 */ + BTC_CXP_FIX_TD4010 = (BTC_CXP_FIX << 8) | 3, + + /* TDMA Fix slot-4: W1:B1 = 70:10 */ + BTC_CXP_FIX_TD7010 = (BTC_CXP_FIX << 8) | 4, + + /* TDMA Fix slot-5: W1:B1 = 20:60 */ + BTC_CXP_FIX_TD2060 = (BTC_CXP_FIX << 8) | 5, + + /* TDMA Fix slot-6: W1:B1 = 30:60 */ + BTC_CXP_FIX_TD3060 = (BTC_CXP_FIX << 8) | 6, + + /* TDMA Fix slot-6: W1:B1 = 20:80 */ + BTC_CXP_FIX_TD2080 = (BTC_CXP_FIX << 8) | 7, + + /* PS-TDMA Fix slot-0: W1:B1 = 30:30 */ + BTC_CXP_PFIX_TD3030 = (BTC_CXP_PFIX << 8) | 0, + + /* PS-TDMA Fix slot-1: W1:B1 = 50:50 */ + BTC_CXP_PFIX_TD5050 = (BTC_CXP_PFIX << 8) | 1, + + /* PS-TDMA Fix slot-2: W1:B1 = 20:30 */ + BTC_CXP_PFIX_TD2030 = (BTC_CXP_PFIX << 8) | 2, + + /* PS-TDMA Fix slot-3: W1:B1 = 20:60 */ + BTC_CXP_PFIX_TD2060 = (BTC_CXP_PFIX << 8) | 3, + + /* PS-TDMA Fix slot-4: W1:B1 = 30:70 */ + BTC_CXP_PFIX_TD3070 = (BTC_CXP_PFIX << 8) | 4, + + /* PS-TDMA Fix slot-5: W1:B1 = 20:80 */ + BTC_CXP_PFIX_TD2080 = (BTC_CXP_PFIX << 8) | 5, + + /* TDMA Auto slot-0: W1:B1 = 50:100 */ + BTC_CXP_AUTO_TD50100 = (BTC_CXP_AUTO << 8) | 0, + + /* TDMA Auto slot-1: W1:B1 = 60:150 */ + BTC_CXP_AUTO_TD60150 = (BTC_CXP_AUTO << 8) | 1, + + /* TDMA Auto slot-2: W1:B1 = 20:150 */ + BTC_CXP_AUTO_TD20150 = (BTC_CXP_AUTO << 8) | 2, + + /* PS-TDMA Auto slot-0: W1:B1 = 50:100 */ + BTC_CXP_PAUTO_TD50100 = (BTC_CXP_PAUTO << 8) | 0, + + /* PS-TDMA Auto slot-1: W1:B1 = 60:150 */ + BTC_CXP_PAUTO_TD60150 = (BTC_CXP_PAUTO << 8) | 1, + + /* PS-TDMA Auto slot-2: W1:B1 = 20:150 */ + BTC_CXP_PAUTO_TD20150 = (BTC_CXP_PAUTO << 8) | 2, + + /* TDMA Auto slot2-0: W1:B4 = 30:50 */ + BTC_CXP_AUTO2_TD3050 = (BTC_CXP_AUTO2 << 8) | 0, + + /* TDMA Auto slot2-1: W1:B4 = 30:70 */ + BTC_CXP_AUTO2_TD3070 = (BTC_CXP_AUTO2 << 8) | 1, + + /* TDMA Auto slot2-2: W1:B4 = 50:50 */ + BTC_CXP_AUTO2_TD5050 = (BTC_CXP_AUTO2 << 8) | 2, + + /* TDMA Auto slot2-3: W1:B4 = 60:60 */ + BTC_CXP_AUTO2_TD6060 = (BTC_CXP_AUTO2 << 8) | 3, + + /* TDMA Auto slot2-4: W1:B4 = 20:80 */ + BTC_CXP_AUTO2_TD2080 = (BTC_CXP_AUTO2 << 8) | 4, + + /* PS-TDMA Auto slot2-0: W1:B4 = 30:50 */ + BTC_CXP_PAUTO2_TD3050 = (BTC_CXP_PAUTO2 << 8) | 0, + + /* PS-TDMA Auto slot2-1: W1:B4 = 30:70 */ + BTC_CXP_PAUTO2_TD3070 = (BTC_CXP_PAUTO2 << 8) | 1, + + /* PS-TDMA Auto slot2-2: W1:B4 = 50:50 */ + BTC_CXP_PAUTO2_TD5050 = (BTC_CXP_PAUTO2 << 8) | 2, + + /* PS-TDMA Auto slot2-3: W1:B4 = 60:60 */ + BTC_CXP_PAUTO2_TD6060 = (BTC_CXP_PAUTO2 << 8) | 3, + + /* PS-TDMA Auto slot2-4: W1:B4 = 20:80 */ + BTC_CXP_PAUTO2_TD2080 = (BTC_CXP_PAUTO2 << 8) | 4, + + BTC_CXP_MAX = 0xffff +}; + +#define BTC_PHY_MAX 2 +#define BTC_CXP_MASK GENMASK(15, 8) + +enum btc_gnt_state { + BTC_GNT_HW = 0, + BTC_GNT_SW_LO, + BTC_GNT_SW_HI, + BTC_GNT_MAX +}; + +enum btc_reason { + BTC_RSN_NTFY_INIT, + BTC_RSN_NTFY_SWBAND, + BTC_RSN_NUM, +}; + +enum btc_action { + BTC_ACT_WL_ONLY, + BTC_ACT_NUM, +}; + +static void _set_policy(struct rtw89_dev *rtwdev, u16 policy_type, + enum btc_action action) +{ +} + +static void _set_gnt_wl(struct rtw89_dev *rtwdev, u8 phy_map, u8 state) +{ + struct rtw89_btc *btc = &rtwdev->btc; + struct rtw89_btc_dm *dm = &btc->dm; + struct rtw89_mac_ax_gnt *g = dm->gnt.band; + u8 i; + + if (phy_map > BTC_PHY_ALL) + return; + + for (i = 0; i < BTC_PHY_MAX; i++) { + if (!(phy_map & BIT(i))) + continue; + + switch (state) { + case BTC_GNT_HW: + g[i].gnt_wl_sw_en = 0; + g[i].gnt_wl = 0; + break; + case BTC_GNT_SW_LO: + g[i].gnt_wl_sw_en = 1; + g[i].gnt_wl = 0; + break; + case BTC_GNT_SW_HI: + g[i].gnt_wl_sw_en = 1; + g[i].gnt_wl = 1; + break; + } + } + + rtw89_mac_cfg_gnt(rtwdev, &dm->gnt); +} + +static void _set_gnt_bt(struct rtw89_dev *rtwdev, u8 phy_map, u8 state) +{ + struct rtw89_btc *btc = &rtwdev->btc; + struct rtw89_btc_dm *dm = &btc->dm; + struct rtw89_mac_ax_gnt *g = dm->gnt.band; + u8 i; + + if (phy_map > BTC_PHY_ALL) + return; + + for (i = 0; i < BTC_PHY_MAX; i++) { + if (!(phy_map & BIT(i))) + continue; + + switch (state) { + case BTC_GNT_HW: + g[i].gnt_bt_sw_en = 0; + g[i].gnt_bt = 0; + break; + case BTC_GNT_SW_LO: + g[i].gnt_bt_sw_en = 1; + g[i].gnt_bt = 0; + break; + case BTC_GNT_SW_HI: + g[i].gnt_bt_sw_en = 1; + g[i].gnt_bt = 1; + break; + } + } + + rtw89_mac_cfg_gnt(rtwdev, &dm->gnt); +} + +static void _set_bt_plut(struct rtw89_dev *rtwdev, u8 phy_map, u8 tx_val, u8 rx_val) +{ + struct rtw89_mac_ax_plt plt; + + plt.band = RTW89_MAC_0; + plt.tx = tx_val; + plt.rx = rx_val; + + if (phy_map & BTC_PHY_0) + rtw89_mac_cfg_plt(rtwdev, &plt); + + if (!rtwdev->dbcc_en) + return; + + plt.band = RTW89_MAC_1; + if (phy_map & BTC_PHY_1) + rtw89_mac_cfg_plt(rtwdev, &plt); +} + +static void _set_ant(struct rtw89_dev *rtwdev, bool force_exec, u8 phy_map, u8 type) +{ + switch (type) { + case BTC_ANT_WONLY: + _set_gnt_wl(rtwdev, phy_map, BTC_GNT_SW_HI); + _set_gnt_bt(rtwdev, phy_map, BTC_GNT_SW_LO); + rtw89_mac_cfg_ctrl_path(rtwdev, true); + _set_bt_plut(rtwdev, BTC_PHY_ALL, BTC_PLT_NONE, BTC_PLT_NONE); + break; + default: + break; + } +} + +static void _action_wl_only(struct rtw89_dev *rtwdev) +{ + _set_ant(rtwdev, FC_EXEC, BTC_PHY_ALL, BTC_ANT_WONLY); + _set_policy(rtwdev, BTC_CXP_OFF_BT, BTC_ACT_WL_ONLY); +} + +static void _run_coex(struct rtw89_dev *rtwdev, enum btc_reason reason) +{ + struct rtw89_btc_dm *dm = &rtwdev->btc.dm; + + lockdep_assert_held(&rtwdev->mutex); + + if (dm->wl_only) + _action_wl_only(rtwdev); +} + +void rtw89_btc_ntfy_init(struct rtw89_dev *rtwdev, u8 mode) +{ + struct rtw89_btc_dm *dm = &rtwdev->btc.dm; + const struct rtw89_chip_info *chip = rtwdev->chip; + + dm->wl_only = mode == BTC_MODE_WL ? 1 : 0; + + chip->ops->btc_set_rfe(rtwdev); + + chip->ops->btc_init_cfg(rtwdev); + + _run_coex(rtwdev, BTC_RSN_NTFY_INIT); + + rtw89_ctrl_btg(rtwdev, true); +} + +void rtw89_btc_ntfy_scan_start(struct rtw89_dev *rtwdev, u8 phy_idx, u8 band) +{ +} + +void rtw89_btc_ntfy_scan_finish(struct rtw89_dev *rtwdev, u8 phy_idx) +{ +} + +void rtw89_btc_ntfy_switch_band(struct rtw89_dev *rtwdev, u8 phy_idx, u8 band) +{ + _run_coex(rtwdev, BTC_RSN_NTFY_SWBAND); +} + +static bool _ntfy_wl_rfk(struct rtw89_dev *rtwdev, u8 phy_path, + enum btc_wl_rfk_type type, + enum btc_wl_rfk_state state) +{ + return true; +} + +void rtw89_btc_ntfy_wl_rfk(struct rtw89_dev *rtwdev, u8 phy_map, + enum btc_wl_rfk_type type, + enum btc_wl_rfk_state state) +{ + u8 band; + + band = FIELD_GET(BTC_RFK_BAND_MAP, phy_map); + + rtw89_debug(rtwdev, RTW89_DBG_RFK, + "[RFK] RFK notify (%s / PHY%u / K_type = %u / path_idx = %lu / process = %s)\n", + band == RTW89_BAND_2G ? "2G" : + band == RTW89_BAND_5G ? "5G" : "6G", + !!(FIELD_GET(BTC_RFK_PHY_MAP, phy_map) & BIT(RTW89_PHY_1)), + type, + FIELD_GET(BTC_RFK_PATH_MAP, phy_map), + state == BTC_WRFK_STOP ? "RFK_STOP" : + state == BTC_WRFK_START ? "RFK_START" : + state == BTC_WRFK_ONESHOT_START ? "ONE-SHOT_START" : + "ONE-SHOT_STOP"); + + _ntfy_wl_rfk(rtwdev, phy_map, type, state); +} diff --git a/drivers/net/wireless/realtek/rtw89/coex.h b/drivers/net/wireless/realtek/rtw89/coex.h new file mode 100644 index 000000000000..02302de37388 --- /dev/null +++ b/drivers/net/wireless/realtek/rtw89/coex.h @@ -0,0 +1,102 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* Copyright(c) 2019-2020 Realtek Corporation + */ + +#ifndef __RTW89_COEX_H__ +#define __RTW89_COEX_H__ + +#include "core.h" + +enum btc_mode { + BTC_MODE_NORMAL, + BTC_MODE_WL, + BTC_MODE_BT, + BTC_MODE_WLOFF, + BTC_MODE_MAX +}; + +enum btc_wl_rfk_type { + BTC_WRFKT_IQK = 0, + BTC_WRFKT_LCK = 1, + BTC_WRFKT_DPK = 2, + BTC_WRFKT_TXGAPK = 3, + BTC_WRFKT_DACK = 4, + BTC_WRFKT_RXDCK = 5, + BTC_WRFKT_TSSI = 6, +}; + +#define NM_EXEC false +#define FC_EXEC true + +#define BTC_RFK_PATH_MAP GENMASK(3, 0) +#define BTC_RFK_PHY_MAP GENMASK(5, 4) +#define BTC_RFK_BAND_MAP GENMASK(7, 6) + +enum btc_wl_rfk_state { + BTC_WRFK_STOP = 0, + BTC_WRFK_START = 1, + BTC_WRFK_ONESHOT_START = 2, + BTC_WRFK_ONESHOT_STOP = 3, +}; + +enum btc_pri { + BTC_PRI_MASK_RX_RESP = 0, + BTC_PRI_MASK_TX_RESP, + BTC_PRI_MASK_BEACON, + BTC_PRI_MASK_RX_CCK, + BTC_PRI_MASK_MAX +}; + +enum btc_wtrs { + BTC_WTRX_SS_GROUP = 0x0, + BTC_WTRX_TX_GROUP = 0x2, + BTC_WTRX_RX_GROUP = 0x3, + BTC_WTRX_MAX, +}; + +enum btc_ant { + BTC_ANT_SHARED = 0, + BTC_ANT_DEDICATED, + BTC_ANTTYPE_MAX +}; + +enum btc_bt_btg { + BTC_BT_ALONE = 0, + BTC_BT_BTG +}; + +enum btc_switch { + BTC_SWITCH_INTERNAL = 0, + BTC_SWITCH_EXTERNAL +}; + +void rtw89_btc_ntfy_init(struct rtw89_dev *rtwdev, u8 mode); +void rtw89_btc_ntfy_scan_start(struct rtw89_dev *rtwdev, u8 phy_idx, u8 band); +void rtw89_btc_ntfy_scan_finish(struct rtw89_dev *rtwdev, u8 phy_idx); +void rtw89_btc_ntfy_switch_band(struct rtw89_dev *rtwdev, u8 phy_idx, u8 band); +void rtw89_btc_ntfy_wl_rfk(struct rtw89_dev *rtwdev, u8 phy_map, + enum btc_wl_rfk_type type, + enum btc_wl_rfk_state state); + +static inline u8 rtw89_btc_phymap(struct rtw89_dev *rtwdev, + enum rtw89_phy_idx phy_idx, + enum rtw89_rf_path_bit paths) +{ + struct rtw89_hal *hal = &rtwdev->hal; + u8 phy_map; + + phy_map = FIELD_PREP(BTC_RFK_PATH_MAP, paths) | + FIELD_PREP(BTC_RFK_PHY_MAP, BIT(phy_idx)) | + FIELD_PREP(BTC_RFK_BAND_MAP, hal->current_band_type); + + return phy_map; +} + +static inline u8 rtw89_btc_path_phymap(struct rtw89_dev *rtwdev, + enum rtw89_phy_idx phy_idx, + enum rtw89_rf_path path) +{ + return rtw89_btc_phymap(rtwdev, phy_idx, BIT(path)); +} + +#endif