From patchwork Tue Apr 14 21:01:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 11489303 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BC2E21392 for ; Tue, 14 Apr 2020 21:11:59 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8AA4D2076A for ; Tue, 14 Apr 2020 21:11:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ER4dyPzB"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="VsKlQ8Rr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8AA4D2076A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ORFChiQ/rXyeibeWJBqdnljF8+uU/nt1Y9Gr9c6yOwQ=; b=ER4dyPzBbdA7N5 IxErh2gqySlhrLizJyaJ/vp/PH6Oe+ejBxxz7NjWwRleytt6xdkvygC5iAYtqBV080SnMRSyGZilv bryf6dgel1o9f8VSX7Z6q+TsuGcA5LD+0E07ujdVaY5AS6pvSMLmqFfLJuLD1s59V+Z0Jb0QN2G2i BB96eQ+b/3HBnO13Yxw3yGXap1MFfgw8df2a8tFJl0RLrRu5gm45Lv5KMpQY/EQwlXM4z1iG/pK+q bVnLtJ4Z30exBaonUkTrlG36Sm40TCer2xTYUaEPPrfNQFXrNOnnC345OskDnkj6QDTk6KDs6a+eS XAeuJUohcQ7EmWn7fwFg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jOSqb-0005fD-Da; Tue, 14 Apr 2020 21:11:57 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jOSqR-0005GL-Mk for linux-mediatek@lists.infradead.org; Tue, 14 Apr 2020 21:11:49 +0000 X-UUID: 585ce27ffa374ba78c1cb486ce27f403-20200414 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=PrMrGQUfXMNhRG58H8+GNHeDRKweulvlAJdxD1OYkqE=; b=VsKlQ8RrM+Gb3FBaYDhKdyxRwK0gsz2+6eQTpVr68y99j2JGnTXD8IRq6OfSu/k5UWYG0tf+33T+yKTCWROjE3ATudPuCnl8PcmR4X+20KyUMA4sp3tIm4UGZrYy1VFXNyysmVDLTc7yE5sh56PNbU73jIek6t9gj+HHUZEGBqE=; X-UUID: 585ce27ffa374ba78c1cb486ce27f403-20200414 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1506292485; Tue, 14 Apr 2020 13:11:43 -0800 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 14 Apr 2020 14:01:37 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 15 Apr 2020 05:01:38 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 15 Apr 2020 05:01:37 +0800 From: Ryder Lee To: Felix Fietkau , Lorenzo Bianconi Subject: [PATCH v2 16/18] mt76: mt7915: add tsf related callbacks Date: Wed, 15 Apr 2020 05:01:14 +0800 Message-ID: X-Mailer: git-send-email 2.18.0 In-Reply-To: References: MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200414_141147_777288_77F6B00A X-CRM114-Status: UNSURE ( 7.59 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: YF Luo , Evelyn Tsai , linux-wireless@vger.kernel.org, Sean Wang , Chih-Min Chen , Ryder Lee , Yiwei Chung , linux-mediatek@lists.infradead.org, Shayne Chen Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org It is useful for IBSS Mesh to adjust t_clockdrift. Signed-off-by: Ryder Lee Reported-by: Shayne Chen Tested-by: Evelyn Tsai --- .../net/wireless/mediatek/mt76/mt7915/main.c | 53 +++++++++++++++++++ .../net/wireless/mediatek/mt76/mt7915/regs.h | 11 ++++ 2 files changed, 64 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index b3e26ff32287..ef0c91990b49 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -655,6 +655,57 @@ mt7915_get_stats(struct ieee80211_hw *hw, return 0; } +static u64 +mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) +{ + struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; + struct mt7915_dev *dev = mt7915_hw_dev(hw); + struct mt7915_phy *phy = mt7915_hw_phy(hw); + bool band = phy != &dev->phy; + union { + u64 t64; + u32 t32[2]; + } tsf; + u16 n; + + mutex_lock(&dev->mt76.mutex); + + n = mvif->omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : mvif->omac_idx; + /* TSF software read */ + mt76_set(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE); + tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band)); + tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band)); + + mutex_unlock(&dev->mt76.mutex); + + return tsf.t64; +} + +static void +mt7915_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + u64 timestamp) +{ + struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; + struct mt7915_dev *dev = mt7915_hw_dev(hw); + struct mt7915_phy *phy = mt7915_hw_phy(hw); + bool band = phy != &dev->phy; + union { + u64 t64; + u32 t32[2]; + } tsf = { .t64 = timestamp, }; + u16 n; + + mutex_lock(&dev->mt76.mutex); + + n = mvif->omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : mvif->omac_idx; + mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]); + mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]); + /* TSF software overwrite */ + mt76_set(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_WRITE); + + mutex_unlock(&dev->mt76.mutex); +} + static void mt7915_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) { @@ -767,6 +818,8 @@ const struct ieee80211_ops mt7915_ops = { .get_txpower = mt76_get_txpower, .channel_switch_beacon = mt7915_channel_switch_beacon, .get_stats = mt7915_get_stats, + .get_tsf = mt7915_get_tsf, + .set_tsf = mt7915_set_tsf, .get_survey = mt76_get_survey, .get_antenna = mt76_get_antenna, .set_antenna = mt7915_set_antenna, diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h index 572bdc16fb2d..6600fc625196 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h @@ -75,6 +75,17 @@ #define MT_DMA_DCR0_MAX_RX_LEN GENMASK(15, 3) #define MT_DMA_DCR0_RXD_G5_EN BIT(23) +/* LPON: band 0(0x24200), band 1(0xa4200) */ +#define MT_WF_LPON_BASE(_band) ((_band) ? 0xa4200 : 0x24200) +#define MT_WF_LPON(_band, ofs) (MT_WF_LPON_BASE(_band) + (ofs)) + +#define MT_LPON_UTTR0(_band) MT_WF_LPON(_band, 0x080) +#define MT_LPON_UTTR1(_band) MT_WF_LPON(_band, 0x084) + +#define MT_LPON_TCR(_band, n) MT_WF_LPON(_band, 0x0a8 + (n) * 4) +#define MT_LPON_TCR_SW_MODE GENMASK(1, 0) +#define MT_LPON_TCR_SW_WRITE BIT(0) + /* MIB: band 0(0x24800), band 1(0xa4800) */ #define MT_WF_MIB_BASE(_band) ((_band) ? 0xa4800 : 0x24800) #define MT_WF_MIB(_band, ofs) (MT_WF_MIB_BASE(_band) + (ofs))