From patchwork Wed May 10 03:19:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 13236247 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 0C44BC7EE26 for ; Wed, 10 May 2023 03:20:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235660AbjEJDU1 (ORCPT ); Tue, 9 May 2023 23:20:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235638AbjEJDTz (ORCPT ); Tue, 9 May 2023 23:19:55 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D010440FD; Tue, 9 May 2023 20:19:45 -0700 (PDT) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 34A2nEf5012637; Wed, 10 May 2023 03:19:37 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=L/3FgbCcEGlyHMOnmFjFt47d6GvJvy5JjawDS//uo/0=; b=kWVX7Kpw+2QggKFEPHiPVUdQ4Ou8Fa6//XdcWRJbjYH1F4uV1D/hzxf/hf/29cUWgHrv zzG+RaSFjJRf5KYTtF5T+7qoHJNGJRwMPOIiEYKZNJnH2un31AfKWBgXawL+yn2mdvOO QcTyIml2j0YF+J4vlMOF/MeRy7HwCjvtrmPR3VXv5JsahtFv1eJLs7W2weRlYlCmdQkp Ccxv4ldd6nFeP2yEutnbDZT5j0y4Q1EmENegQCTkQp1pbYlMvyLYO6V1bQLFRmVzSyTC pRGQgJrGCB5dgAiQwEuW7iO86wp3orFjgdes9LBk+cZ1cHim2ktt5ZsdeRAsriP1aV6V hg== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3qg1g105pk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 May 2023 03:19:37 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 34A3JaEs016023 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 May 2023 03:19:36 GMT Received: from hu-bjorande-lv.qualcomm.com (10.49.16.6) 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 15.2.986.42; Tue, 9 May 2023 20:19:36 -0700 From: Bjorn Andersson To: Vinod Koul , Kishon Vijay Abraham I , Johan Hovold CC: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , , , , , Neil Armstrong , Abel Vesa , Steev Klimaszewski , Johan Hovold Subject: [PATCH v2 4/8] phy: qcom-qmp-combo: Introduce orientation variable Date: Tue, 9 May 2023 20:19:26 -0700 Message-ID: <20230510031930.1996020-5-quic_bjorande@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230510031930.1996020-1-quic_bjorande@quicinc.com> References: <20230510031930.1996020-1-quic_bjorande@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) 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-GUID: BDYvGoUgRcUrfjVHzI5lFGEzCQiFDUYP X-Proofpoint-ORIG-GUID: BDYvGoUgRcUrfjVHzI5lFGEzCQiFDUYP X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-09_16,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxlogscore=999 clxscore=1015 spamscore=0 bulkscore=0 phishscore=0 adultscore=0 suspectscore=0 mlxscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305100024 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org In multiple places throughout the driver code has been written in prepration for handling of orientation switching. Introduce a typec_orientation in qmp_combo and fill out the various "placeholders" with the associated logic. By initializing the orientation to "normal" this change has no functional impact, but reduces the size of the upcoming introduction of dynamic orientation switching. Signed-off-by: Bjorn Andersson Reviewed-by: Neil Armstrong Tested-by: Abel Vesa Tested-by: Steev Klimaszewski Tested-by: Neil Armstrong # on HDK8450 Tested-by: Johan Hovold # X13s Reviewed-by: Johan Hovold --- Changes since v1: - X-mas in qmp_combo_configure_dp_mode() drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 54 +++++++++++++---------- 1 file changed, 30 insertions(+), 24 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c index 6baacdf3a4cb..e0d246e7086d 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c @@ -19,6 +19,7 @@ #include #include #include +#include #include @@ -63,6 +64,10 @@ /* QPHY_V3_PCS_MISC_CLAMP_ENABLE register bits */ #define CLAMP_EN BIT(0) /* enables i/o clamp_n */ +/* QPHY_V3_DP_COM_TYPEC_CTRL register bits */ +#define SW_PORTSELECT_VAL BIT(0) +#define SW_PORTSELECT_MUX BIT(1) + #define PHY_INIT_COMPLETE_TIMEOUT 10000 struct qmp_phy_init_tbl { @@ -1323,6 +1328,8 @@ struct qmp_combo { struct clk_fixed_rate pipe_clk_fixed; struct clk_hw dp_link_hw; struct clk_hw dp_pixel_hw; + + enum typec_orientation orientation; }; static void qmp_v3_dp_aux_init(struct qmp_combo *qmp); @@ -1954,30 +1961,24 @@ static void qmp_v3_configure_dp_tx(struct qmp_combo *qmp) static bool qmp_combo_configure_dp_mode(struct qmp_combo *qmp) { + bool reverse = qmp->orientation == TYPEC_ORIENTATION_REVERSE; + const struct phy_configure_opts_dp *dp_opts = &qmp->dp_opts; u32 val; - bool reverse = false; val = DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN | DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN; - /* - * TODO: Assume orientation is CC1 for now and two lanes, need to - * use type-c connector to understand orientation and lanes. - * - * Otherwise val changes to be like below if this code understood - * the orientation of the type-c cable. - * - * if (lane_cnt == 4 || orientation == ORIENTATION_CC2) - * val |= DP_PHY_PD_CTL_LANE_0_1_PWRDN; - * if (lane_cnt == 4 || orientation == ORIENTATION_CC1) - * val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN; - * if (orientation == ORIENTATION_CC2) - * writel(0x4c, qmp->dp_dp_phy + QSERDES_V3_DP_PHY_MODE); - */ - val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN; + if (dp_opts->lanes == 4 || reverse) + val |= DP_PHY_PD_CTL_LANE_0_1_PWRDN; + if (dp_opts->lanes == 4 || !reverse) + val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN; + writel(val, qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL); - writel(0x5c, qmp->dp_dp_phy + QSERDES_DP_PHY_MODE); + if (reverse) + writel(0x4c, qmp->pcs + QSERDES_DP_PHY_MODE); + else + writel(0x5c, qmp->pcs + QSERDES_DP_PHY_MODE); return reverse; } @@ -2235,7 +2236,7 @@ static int qmp_v4_configure_dp_phy(struct qmp_combo *qmp) { const struct phy_configure_opts_dp *dp_opts = &qmp->dp_opts; u32 bias0_en, drvr0_en, bias1_en, drvr1_en; - bool reverse = false; + bool reverse = qmp->orientation == TYPEC_ORIENTATION_REVERSE; u32 status; int ret; @@ -2299,7 +2300,7 @@ static int qmp_v5_configure_dp_phy(struct qmp_combo *qmp) { const struct phy_configure_opts_dp *dp_opts = &qmp->dp_opts; u32 bias0_en, drvr0_en, bias1_en, drvr1_en; - bool reverse = false; + bool reverse = qmp->orientation == TYPEC_ORIENTATION_REVERSE; u32 status; int ret; @@ -2358,7 +2359,7 @@ static int qmp_v6_configure_dp_phy(struct qmp_combo *qmp) { const struct phy_configure_opts_dp *dp_opts = &qmp->dp_opts; u32 bias0_en, drvr0_en, bias1_en, drvr1_en; - bool reverse = false; + bool reverse = qmp->orientation == TYPEC_ORIENTATION_REVERSE; u32 status; int ret; @@ -2471,6 +2472,7 @@ static int qmp_combo_com_init(struct qmp_combo *qmp) const struct qmp_phy_cfg *cfg = qmp->cfg; void __iomem *com = qmp->com; int ret; + u32 val; if (qmp->init_count++) return 0; @@ -2504,10 +2506,12 @@ static int qmp_combo_com_init(struct qmp_combo *qmp) SW_DPPHY_RESET_MUX | SW_DPPHY_RESET | SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET); - /* Default type-c orientation, i.e CC1 */ - qphy_setbits(com, QPHY_V3_DP_COM_TYPEC_CTRL, 0x02); - - qphy_setbits(com, QPHY_V3_DP_COM_PHY_MODE_CTRL, USB3_MODE | DP_MODE); + /* Use software based port select and switch on typec orientation */ + val = SW_PORTSELECT_MUX; + if (qmp->orientation == TYPEC_ORIENTATION_REVERSE) + val |= SW_PORTSELECT_VAL; + writel(val, com + QPHY_V3_DP_COM_TYPEC_CTRL); + writel(USB3_MODE | DP_MODE, com + QPHY_V3_DP_COM_PHY_MODE_CTRL); /* bring both QMP USB and QMP DP PHYs PCS block out of reset */ qphy_clrbits(com, QPHY_V3_DP_COM_RESET_OVRD_CTRL, @@ -3379,6 +3383,8 @@ static int qmp_combo_probe(struct platform_device *pdev) qmp->dev = dev; + qmp->orientation = TYPEC_ORIENTATION_NORMAL; + qmp->cfg = of_device_get_match_data(dev); if (!qmp->cfg) return -EINVAL;