From patchwork Sun Nov 26 06:07:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Luo X-Patchwork-Id: 13468779 X-Patchwork-Delegate: kuba@kernel.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="h+E6KtW6" Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED5EC111; Sat, 25 Nov 2023 22:08:40 -0800 (PST) Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3AQ68V25011305; Sun, 26 Nov 2023 06:08:31 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=YAEbePQjuOtIFFbxRz6vCXEReg9DSyCnUSz57STbWpI=; b=h+E6KtW6/yrPhCwoyvINeFwh6QErxnKZ7RXUr+wihatGsnfYJVOOXnmIPmt6gzyvfwVF 6gxCHu1eFQ9U5rfTvzHYMkGDyEOnGD01n3VRefbPbZI3LG3M+LqpSmv0np8hczDkshmB ozqDJfqLIE0nf0gtAAASG5F+7MYGY5XZ31YJtKScVq7MFIzG4nRxJE553z++Vx7b6QyP 7fvUGcODKGsrqGif+wsx/Sj0rmBjAz4BeMXF4SZkNFZcIC4xv3MQzlIimk4bIR1Gtp6e bFUGe1MiumSpvK2s7EEZrwuP22lTeOf9oZNdTpnPCJDTj/ptVwZuks9OHzKDT1+iuseW gQ== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3uk8h8hsk6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 26 Nov 2023 06:08:30 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3AQ68TrZ003642 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 26 Nov 2023 06:08:29 GMT Received: from akronite-sh-dev02.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Sat, 25 Nov 2023 22:08:25 -0800 From: Luo Jie To: , , , , , , , , , , CC: , , , Subject: [PATCH v6 6/6] net: phy: qca8084: add qca8084_link_change_notify Date: Sun, 26 Nov 2023 14:07:32 +0800 Message-ID: <20231126060732.31764-7-quic_luoj@quicinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231126060732.31764-1-quic_luoj@quicinc.com> References: <20231126060732.31764-1-quic_luoj@quicinc.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 44VO1U_gIfGcxZmiOIaLIQBDBnZ02dpa X-Proofpoint-GUID: 44VO1U_gIfGcxZmiOIaLIQBDBnZ02dpa X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-26_04,2023-11-22_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 mlxlogscore=999 impostorscore=0 bulkscore=0 phishscore=0 malwarescore=0 mlxscore=0 adultscore=0 clxscore=1015 spamscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311260042 X-Patchwork-Delegate: kuba@kernel.org When the link is changed, qca8084 needs to do the fifo reset and adjust the IPG level for the qusgmii link speed 1000M. Signed-off-by: Luo Jie --- drivers/net/phy/at803x.c | 41 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c index c0d5d4410e89..16ea022744ce 100644 --- a/drivers/net/phy/at803x.c +++ b/drivers/net/phy/at803x.c @@ -289,6 +289,13 @@ #define QCA8084_MSE_THRESHOLD 0x800a #define QCA8084_MSE_THRESHOLD_2P5G_VAL 0x51c6 +#define QCA8084_FIFO_CONTROL 0x19 +#define QCA8084_FIFO_MAC_2_PHY BIT(1) +#define QCA8084_FIFO_PHY_2_MAC BIT(0) + +#define QCA8084_MMD7_IPG_OP 0x901d +#define QCA8084_IPG_10_TO_11_EN BIT(0) + MODULE_DESCRIPTION("Qualcomm Atheros AR803x and QCA808X PHY driver"); MODULE_AUTHOR("Matus Ujhelyi"); MODULE_LICENSE("GPL"); @@ -2114,6 +2121,39 @@ static int qca8084_config_init(struct phy_device *phydev) QCA8084_MSE_THRESHOLD_2P5G_VAL); } +static void qca8084_link_change_notify(struct phy_device *phydev) +{ + int ret; + + ret = phy_modify(phydev, QCA8084_FIFO_CONTROL, + QCA8084_FIFO_MAC_2_PHY | QCA8084_FIFO_PHY_2_MAC, + 0); + if (ret) + return; + + /* If the PHY works on PHY_INTERFACE_MODE_10G_QXGMII mode, the fifo + * needs to be kept as reset state in link down status. + */ + if (phydev->interface != PHY_INTERFACE_MODE_10G_QXGMII || + phydev->link) { + msleep(50); + ret = phy_modify(phydev, QCA8084_FIFO_CONTROL, + QCA8084_FIFO_MAC_2_PHY | + QCA8084_FIFO_PHY_2_MAC, + QCA8084_FIFO_MAC_2_PHY | + QCA8084_FIFO_PHY_2_MAC); + if (ret) + return; + } + + /* Enable IPG 10 to 11 tuning on link speed 1000M of QUSGMII mode. */ + if (phydev->interface == PHY_INTERFACE_MODE_10G_QXGMII) + phy_modify_mmd(phydev, MDIO_MMD_AN, QCA8084_MMD7_IPG_OP, + QCA8084_IPG_10_TO_11_EN, + phydev->speed == SPEED_1000 ? + QCA8084_IPG_10_TO_11_EN : 0); +} + static struct phy_driver at803x_driver[] = { { /* Qualcomm Atheros AR8035 */ @@ -2312,6 +2352,7 @@ static struct phy_driver at803x_driver[] = { .cable_test_start = qca808x_cable_test_start, .cable_test_get_status = qca808x_cable_test_get_status, .config_init = qca8084_config_init, + .link_change_notify = qca8084_link_change_notify, }, }; module_phy_driver(at803x_driver);