From patchwork Wed Nov 23 19:37:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 628540 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ACD4EC433FE for ; Wed, 23 Nov 2022 19:38:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236812AbiKWTiG (ORCPT ); Wed, 23 Nov 2022 14:38:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33400 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240017AbiKWTh7 (ORCPT ); Wed, 23 Nov 2022 14:37:59 -0500 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5AA925ADD2 for ; Wed, 23 Nov 2022 11:37:53 -0800 (PST) X-UUID: 16e90557b2b64fb585a380986bf36c24-20221124 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=/bGL7NeH7E4fkHcQ5YBrB8gRbZfK+h45aAwfGCIDyJQ=; b=GrMuM1JCzeJMYddEW/2WVbeNRp+uj10sS4m6zxo7FA8w59VCHKxnJHInOGxUB8jFBVql5wA1c6Ag+VF9XjH3CNWURwEMnGuljEHqffVsS5IDqToqwZFhx6V+65MudZbODDxTPtT7l76uvkLtsM30pReFZPh1yFh94ixbS+KdxLI=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.13, REQID:1f6d89b7-3fa1-4f9e-be52-e5cbd9d01d41, IP:0, U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:d12e911, CLOUDID:b2221ff9-3a34-4838-abcf-dfedf9dd068e, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: 16e90557b2b64fb585a380986bf36c24-20221124 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 192169641; Thu, 24 Nov 2022 03:37:50 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Thu, 24 Nov 2022 03:37:48 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Thu, 24 Nov 2022 03:37:48 +0800 From: Ryder Lee To: Felix Fietkau , CC: Lorenzo Bianconi , Shayne Chen , Evelyn Tsai , , Ryder Lee Subject: [PATCH 1/2] wifi: mt76: mt7915: introduce mt7915_get_power_bound() Date: Thu, 24 Nov 2022 03:37:17 +0800 Message-ID: <9a67f1617249be2c73bb5900d2df971b682f8772.1669229848.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Add a helper for common boundary check. This is a preliminary patch to add per bandwidth power control. Signed-off-by: Ryder Lee --- drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 12 +++++------- drivers/net/wireless/mediatek/mt76/mt7915/mcu.h | 12 ++++++++++++ 2 files changed, 17 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index f329705c4fa1..8a2546699c3b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -3122,14 +3122,14 @@ int mt7915_mcu_set_txpower_frame(struct mt7915_phy *phy, .txpower_max = DIV_ROUND_UP(mphy->txpower_cur, 2), .wcid = cpu_to_le16(msta->wcid.idx), }; - int ret, n_chains = hweight8(mphy->antenna_mask); + int ret; s8 txpower_sku[MT7915_SKU_RATE_NUM]; ret = mt7915_mcu_get_txpower_sku(phy, txpower_sku, sizeof(txpower_sku)); if (ret) return ret; - txpower = txpower * 2 - mt76_tx_power_nss_delta(n_chains); + txpower = mt7915_get_power_bound(phy, txpower); if (txpower > mphy->txpower_cur || txpower < 0) return -EINVAL; @@ -3181,12 +3181,10 @@ int mt7915_mcu_set_txpower_sku(struct mt7915_phy *phy) }; struct mt76_power_limits limits_array; s8 *la = (s8 *)&limits_array; - int i, idx, n_chains = hweight8(mphy->antenna_mask); - int tx_power = hw->conf.power_level * 2; + int i, idx; + int tx_power; - tx_power = mt76_get_sar_power(mphy, mphy->chandef.chan, - tx_power); - tx_power -= mt76_tx_power_nss_delta(n_chains); + tx_power = mt7915_get_power_bound(phy, hw->conf.power_level); tx_power = mt76_get_rate_power_limits(mphy, mphy->chandef.chan, &limits_array, tx_power); mphy->txpower_cur = tx_power; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h index 46c517e50ae4..382dcbda50bb 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h @@ -509,4 +509,16 @@ enum { sizeof(struct bss_info_bcn_cont) + \ sizeof(struct bss_info_inband_discovery)) +static inline s8 +mt7915_get_power_bound(struct mt7915_phy *phy, s8 txpower) +{ + struct mt76_phy *mphy = phy->mt76; + int n_chains = hweight8(mphy->antenna_mask); + + txpower = mt76_get_sar_power(mphy, mphy->chandef.chan, txpower * 2); + txpower -= mt76_tx_power_nss_delta(n_chains); + + return txpower; +} + #endif