From patchwork Wed May 8 10:53:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bitterblue Smith X-Patchwork-Id: 13658518 X-Patchwork-Delegate: pkshih@realtek.com Received: from mail-ej1-f54.google.com (mail-ej1-f54.google.com [209.85.218.54]) (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 0E6E28004D for ; Wed, 8 May 2024 10:53:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715165594; cv=none; b=K48Ero3ONK0eYSblIEwdYgtuxzx11xLtggIptQgIsu6E+4RtJV351z5H6Xn7p3iu4MWyb9XX+xHiI5srbPAosqOmxJZT2SMIO9AVC0wGd4/bAlPpFeXjYn9Zqaeley3zmjoqBmEFDL0iuG08Up4wwbvufzTjOnfwFAol7hcxKhs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715165594; c=relaxed/simple; bh=xItuV9Gr2oCsOY2UL7pHLtRpMjVSrRMrfPKRDIpv7MA=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=d3+hZ3kGMh2LqdZ0EMYSicJwnDDWPohyZHcZp8zzHr+/lPjVeNaWvE+CSY3sKFM9xUbFaeoS5ypeHK9lnhv8pIH7fTiGj9anNQsnNtjOIqagfy6HynJwPVJCZhN5k6QzaUpaOnwBYVX1npgQjCTEraQMCCisUggFrjo6BdQiYYA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=AWNZUHS6; arc=none smtp.client-ip=209.85.218.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="AWNZUHS6" Received: by mail-ej1-f54.google.com with SMTP id a640c23a62f3a-a59b49162aeso917201566b.3 for ; Wed, 08 May 2024 03:53:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1715165591; x=1715770391; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:content-language:references :cc:to:from:subject:user-agent:mime-version:date:message-id:from:to :cc:subject:date:message-id:reply-to; bh=4dFzgkgDd6Sn/drI0KYVuVbo2niKrZFW/DqHq/5zaYg=; b=AWNZUHS6OxNwQGxYEQrIvZMK+AWuf2hWNn96nVu/IaprwKadnCN/zyMZccJQphWxq8 vRedFttrZmfEpQDtNKVtyOP9lyIpmOM1erw24ZADAed9lSFDMhbrOgJya1OG04+ODxMp nPAtpTgmhFM4fFNaXjsLWVpw2xKez8o+zekRcaKrcnNyERSiPyXNoh8Lq5bX3CEM3/Il Iq4b1Gowx/GKK9ylHgoPkz6PzTIKrzi62qGZeCxahzdDY7rblvDWHOGqbpXb6X/bFz+R /qvpaBkcW7SYc0XkgwERaHIRw1/briQL+LfYuqgea3Ye+4Axy/WGm2xF1C6I5bS15iZ5 MBzA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715165591; x=1715770391; h=content-transfer-encoding:in-reply-to:content-language:references :cc:to:from:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=4dFzgkgDd6Sn/drI0KYVuVbo2niKrZFW/DqHq/5zaYg=; b=eHvZACQ3teBvD8pGLLmzGEGDq1RvtGznSWOPlIqVVVSwmrXiRGBxboyLtUdjinukjA F+V7Rml9jeUpw5vYEvhUzK9ZxEBNOCFJtqK9VSh2e+noadVOL63MbHX6a2IXRfWOItH+ hNPqpECjIXvwD/Xz/T8Pd2x+xu2aUPmuJsQHDK7pJxMP8QPj4ODicvqTrV3nL/qzdEBg bq+QNoUOQBkcderFKpmnVnsTRZlCA9P4ILVXzlNQWUHvyXyfrS9M1LaRrrZZEpY68PAL wOCNxpYciPDxUEAZLc0c4GvIuL+JVDKKR6jMDdkvC9B/QT5nJ2njsDGKn57jGWmzcvtK L6mw== X-Gm-Message-State: AOJu0YywtLTnA0Xbe5oRYJNhakHWb1yxfm4Z6Vv9EhLUZhurB/TxNPz+ fzCqTl72czzjc06mcwplzmpOpZJN5jOEIm3/0YwmicHkZQ6ftOMSntkFGuFz X-Google-Smtp-Source: AGHT+IFlE9n/50n3/I4NMtu1bhWXEQFAVTDypZzAVnwyqRj3ooG8beAKmMJZv9PXv1HgCgcvC9MH6g== X-Received: by 2002:a17:906:4a11:b0:a59:ad15:6133 with SMTP id a640c23a62f3a-a59fb9dd014mr128790066b.71.1715165590976; Wed, 08 May 2024 03:53:10 -0700 (PDT) Received: from [192.168.1.50] ([79.113.154.240]) by smtp.gmail.com with ESMTPSA id qs34-20020a17090645a200b00a59af52e92esm4974337ejc.217.2024.05.08.03.53.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 May 2024 03:53:10 -0700 (PDT) Message-ID: Date: Wed, 8 May 2024 13:53:09 +0300 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH v5 08/11] wifi: rtlwifi: Add rtl8192du/dm.{c,h} From: Bitterblue Smith To: "linux-wireless@vger.kernel.org" Cc: Ping-Ke Shih , Larry Finger , Stefan Lippers-Hollmann , Christian Hewitt References: <254558da-ea8b-40ea-bd5a-83d13796744f@gmail.com> Content-Language: en-US In-Reply-To: <254558da-ea8b-40ea-bd5a-83d13796744f@gmail.com> These contain functions related to the dynamic mechanism, which runs every two seconds to adjust to changes in the environment. Signed-off-by: Bitterblue Smith --- v5: - No change. v4: - Replace tab with space in rtl8192du/dm.h. - Fix dm.h header guard. - Delete unused UNDEC_SM_PWDB macro. v3: - No change. v2: - Patch is new in v2, split from patch 3/3 in v1. --- .../wireless/realtek/rtlwifi/rtl8192du/dm.c | 123 ++++++++++++++++++ .../wireless/realtek/rtlwifi/rtl8192du/dm.h | 10 ++ 2 files changed, 133 insertions(+) create mode 100644 drivers/net/wireless/realtek/rtlwifi/rtl8192du/dm.c create mode 100644 drivers/net/wireless/realtek/rtlwifi/rtl8192du/dm.h diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192du/dm.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/dm.c new file mode 100644 index 000000000000..add909f7726f --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/dm.c @@ -0,0 +1,123 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2009-2012 Realtek Corporation.*/ + +#include "../wifi.h" +#include "../base.h" +#include "../core.h" +#include "../rtl8192d/reg.h" +#include "../rtl8192d/def.h" +#include "../rtl8192d/dm_common.h" +#include "../rtl8192d/fw_common.h" +#include "../rtl8192d/phy_common.h" +#include "phy.h" +#include "dm.h" +#include "fw.h" + +static void rtl92d_dm_init_1r_cca(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct ps_t *dm_pstable = &rtlpriv->dm_pstable; + + dm_pstable->pre_ccastate = CCA_MAX; + dm_pstable->cur_ccasate = CCA_MAX; +} + +static void rtl92d_dm_1r_cca(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct ps_t *dm_pstable = &rtlpriv->dm_pstable; + struct rtl_hal *rtlhal = rtl_hal(rtlpriv); + int pwdb = rtlpriv->dm_digtable.min_undec_pwdb_for_dm; + + if (rtlhal->macphymode != SINGLEMAC_SINGLEPHY || + rtlhal->current_bandtype != BAND_ON_5G) + return; + + if (pwdb != 0) { + if (dm_pstable->pre_ccastate == CCA_2R || + dm_pstable->pre_ccastate == CCA_MAX) + dm_pstable->cur_ccasate = (pwdb >= 35) ? CCA_1R : CCA_2R; + else + dm_pstable->cur_ccasate = (pwdb <= 30) ? CCA_2R : CCA_1R; + } else { + dm_pstable->cur_ccasate = CCA_MAX; + } + + if (dm_pstable->pre_ccastate == dm_pstable->cur_ccasate) + return; + + rtl_dbg(rtlpriv, COMP_BB_POWERSAVING, DBG_TRACE, + "Old CCA state: %d new CCA state: %d\n", + dm_pstable->pre_ccastate, dm_pstable->cur_ccasate); + + if (dm_pstable->cur_ccasate == CCA_1R) { + if (rtlpriv->phy.rf_type == RF_2T2R) + rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE, MASKBYTE0, 0x13); + else /* Is this branch reachable? */ + rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE, MASKBYTE0, 0x23); + } else { /* CCA_2R or CCA_MAX */ + rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE, MASKBYTE0, 0x33); + } +} + +static void rtl92d_dm_pwdb_monitor(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + const u32 max_macid = 32; + u32 temp; + + /* AP & ADHOC & MESH will return tmp */ + if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION) + return; + + /* Indicate Rx signal strength to FW. */ + if (rtlpriv->dm.useramask) { + temp = rtlpriv->dm.undec_sm_pwdb << 16; + temp |= max_macid << 8; + + rtl92d_fill_h2c_cmd(hw, H2C_RSSI_REPORT, 3, (u8 *)(&temp)); + } else { + rtl_write_byte(rtlpriv, 0x4fe, (u8)rtlpriv->dm.undec_sm_pwdb); + } +} + +void rtl92du_dm_init(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER; + rtl_dm_diginit(hw, 0x20); + rtlpriv->dm_digtable.rx_gain_max = DM_DIG_FA_UPPER; + rtlpriv->dm_digtable.rx_gain_min = DM_DIG_FA_LOWER; + rtl92d_dm_init_edca_turbo(hw); + rtl92d_dm_init_1r_cca(hw); + rtl92d_dm_init_rate_adaptive_mask(hw); + rtl92d_dm_initialize_txpower_tracking(hw); +} + +void rtl92du_dm_watchdog(struct ieee80211_hw *hw) +{ + struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); + bool fw_current_inpsmode = false; + bool fwps_awake = true; + + /* 1. RF is OFF. (No need to do DM.) + * 2. Fw is under power saving mode for FwLPS. + * (Prevent from SW/FW I/O racing.) + * 3. IPS workitem is scheduled. (Prevent from IPS sequence + * to be swapped with DM. + * 4. RFChangeInProgress is TRUE. + * (Prevent from broken by IPS/HW/SW Rf off.) + */ + + if (ppsc->rfpwr_state == ERFON && !fw_current_inpsmode && + fwps_awake && !ppsc->rfchange_inprogress) { + rtl92d_dm_pwdb_monitor(hw); + rtl92d_dm_false_alarm_counter_statistics(hw); + rtl92d_dm_find_minimum_rssi(hw); + rtl92d_dm_dig(hw); + rtl92d_dm_check_txpower_tracking_thermal_meter(hw); + rtl92d_dm_check_edca_turbo(hw); + rtl92d_dm_1r_cca(hw); + } +} diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192du/dm.h b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/dm.h new file mode 100644 index 000000000000..1373db2fd87d --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/dm.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2009-2012 Realtek Corporation.*/ + +#ifndef __RTL92DU_DM_H__ +#define __RTL92DU_DM_H__ + +void rtl92du_dm_init(struct ieee80211_hw *hw); +void rtl92du_dm_watchdog(struct ieee80211_hw *hw); + +#endif