From patchwork Wed Apr 26 07:14:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiawen Wu X-Patchwork-Id: 677606 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 75107C77B78 for ; Wed, 26 Apr 2023 07:18:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240047AbjDZHSx (ORCPT ); Wed, 26 Apr 2023 03:18:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240002AbjDZHS3 (ORCPT ); Wed, 26 Apr 2023 03:18:29 -0400 Received: from smtpbg156.qq.com (smtpbg156.qq.com [15.184.82.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 611383C29; Wed, 26 Apr 2023 00:17:49 -0700 (PDT) X-QQ-mid: bizesmtp63t1682493387tqfqlqmf Received: from wxdbg.localdomain.com ( [183.129.236.74]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 26 Apr 2023 15:16:26 +0800 (CST) X-QQ-SSF: 01400000000000I0Z000000A0000000 X-QQ-FEAT: D2GZf6M6C/h59PXlbut0reUXj1HngR+iN06/ik7yDMmUDidAtGskik7prhqFc ytANdgt3pzh+Yn6vRkT+z+a4u7DHQxifukTHzK7b6D9g15UAVct6OzWiq5nk8J5UbCNFmit UvpyeC4yHtGSopbl5LEBS+PDgNTNLjCF9Ye/OFfFKjkRy3cbElFhyuz2RkY0DXug2NO+CNN UxOZ9qEKZ8nrGcpg7t/joIeifV1z6OYTxuyXz7sop2l9PCGnIlCpM3Y1ynX+6QTQLDchzNZ AqRFnzwVzjhpu2dXsKg8QAeoFOUkN9Oy5v1aBoYXmIbL1NUPfRZCR8pGyp7xBZPEb5QMKcX qy9Tf1tHZd52NtFlER/lOt1fj2oTNqxpjdu89ci7ln5DW+UElAYDVhyEwYm13wA5jYHEWFY 2SWb6eliMz8= X-QQ-GoodBg: 2 X-BIZMAIL-ID: 17402965731690168983 From: Jiawen Wu To: netdev@vger.kernel.org, jarkko.nikula@linux.intel.com, andriy.shevchenko@linux.intel.com, mika.westerberg@linux.intel.com, jsd@semihalf.com, ose.Abreu@synopsys.com, andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk Cc: linux-i2c@vger.kernel.org, linux-gpio@vger.kernel.org, mengyuanlou@net-swift.com, Jiawen Wu Subject: [RFC PATCH net-next v5 7/9] net: pcs: Add 10GBASE-R mode for Synopsys Designware XPCS Date: Wed, 26 Apr 2023 15:14:32 +0800 Message-Id: <20230426071434.452717-8-jiawenwu@trustnetic.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20230426071434.452717-1-jiawenwu@trustnetic.com> References: <20230426071434.452717-1-jiawenwu@trustnetic.com> MIME-Version: 1.0 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:trustnetic.com:qybglogicsvr:qybglogicsvr5 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add basic support for XPCS using 10GBASE-R interface. This mode will be extended to use interrupt, so set pcs.poll false. And avoid soft reset so that the device using this mode is in the default configuration. Signed-off-by: Jiawen Wu --- drivers/net/pcs/pcs-xpcs.c | 56 ++++++++++++++++++++++++++++++++++++ include/linux/pcs/pcs-xpcs.h | 1 + 2 files changed, 57 insertions(+) diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c index 539cd43eae8d..9ddaceda1fe9 100644 --- a/drivers/net/pcs/pcs-xpcs.c +++ b/drivers/net/pcs/pcs-xpcs.c @@ -64,6 +64,16 @@ static const int xpcs_xlgmii_features[] = { __ETHTOOL_LINK_MODE_MASK_NBITS, }; +static const int xpcs_10gbaser_features[] = { + ETHTOOL_LINK_MODE_Pause_BIT, + ETHTOOL_LINK_MODE_Asym_Pause_BIT, + ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, + ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, + ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT, + ETHTOOL_LINK_MODE_10000baseER_Full_BIT, + __ETHTOOL_LINK_MODE_MASK_NBITS, +}; + static const int xpcs_sgmii_features[] = { ETHTOOL_LINK_MODE_Pause_BIT, ETHTOOL_LINK_MODE_Asym_Pause_BIT, @@ -106,6 +116,10 @@ static const phy_interface_t xpcs_xlgmii_interfaces[] = { PHY_INTERFACE_MODE_XLGMII, }; +static const phy_interface_t xpcs_10gbaser_interfaces[] = { + PHY_INTERFACE_MODE_10GBASER, +}; + static const phy_interface_t xpcs_sgmii_interfaces[] = { PHY_INTERFACE_MODE_SGMII, }; @@ -123,6 +137,7 @@ enum { DW_XPCS_USXGMII, DW_XPCS_10GKR, DW_XPCS_XLGMII, + DW_XPCS_10GBASER, DW_XPCS_SGMII, DW_XPCS_1000BASEX, DW_XPCS_2500BASEX, @@ -246,6 +261,7 @@ static int xpcs_soft_reset(struct dw_xpcs *xpcs, switch (compat->an_mode) { case DW_AN_C73: + case DW_10GBASER: dev = MDIO_MMD_PCS; break; case DW_AN_C37_SGMII: @@ -872,6 +888,8 @@ int xpcs_do_config(struct dw_xpcs *xpcs, phy_interface_t interface, return -ENODEV; switch (compat->an_mode) { + case DW_10GBASER: + break; case DW_AN_C73: if (phylink_autoneg_inband(mode)) { ret = xpcs_config_aneg_c73(xpcs, compat); @@ -919,6 +937,27 @@ static int xpcs_config(struct phylink_pcs *pcs, unsigned int mode, return xpcs_do_config(xpcs, interface, mode, advertising); } +static int xpcs_get_state_10gbaser(struct dw_xpcs *xpcs, + struct phylink_link_state *state) +{ + int ret; + + state->link = false; + + ret = xpcs_read(xpcs, MDIO_MMD_PCS, MDIO_STAT1); + if (ret < 0) + return ret; + + if (ret & MDIO_STAT1_LSTATUS) { + state->link = true; + state->pause = MLO_PAUSE_TX | MLO_PAUSE_RX; + state->duplex = DUPLEX_FULL; + state->speed = SPEED_10000; + } + + return 0; +} + static int xpcs_get_state_c73(struct dw_xpcs *xpcs, struct phylink_link_state *state, const struct xpcs_compat *compat) @@ -1033,6 +1072,14 @@ static void xpcs_get_state(struct phylink_pcs *pcs, return; switch (compat->an_mode) { + case DW_10GBASER: + ret = xpcs_get_state_10gbaser(xpcs, state); + if (ret) { + pr_err("xpcs_get_state_10gbaser returned %pe\n", + ERR_PTR(ret)); + return; + } + break; case DW_AN_C73: ret = xpcs_get_state_c73(xpcs, state, compat); if (ret) { @@ -1188,6 +1235,12 @@ static const struct xpcs_compat synopsys_xpcs_compat[DW_XPCS_INTERFACE_MAX] = { .num_interfaces = ARRAY_SIZE(xpcs_xlgmii_interfaces), .an_mode = DW_AN_C73, }, + [DW_XPCS_10GBASER] = { + .supported = xpcs_10gbaser_features, + .interface = xpcs_10gbaser_interfaces, + .num_interfaces = ARRAY_SIZE(xpcs_10gbaser_interfaces), + .an_mode = DW_10GBASER, + }, [DW_XPCS_SGMII] = { .supported = xpcs_sgmii_features, .interface = xpcs_sgmii_interfaces, @@ -1290,6 +1343,9 @@ struct dw_xpcs *xpcs_create(struct mdio_device *mdiodev, } xpcs->pcs.ops = &xpcs_phylink_ops; + if (compat->an_mode == DW_10GBASER) + return xpcs; + xpcs->pcs.poll = true; ret = xpcs_soft_reset(xpcs, compat); diff --git a/include/linux/pcs/pcs-xpcs.h b/include/linux/pcs/pcs-xpcs.h index d2da1e0b4a92..61df0c717a0e 100644 --- a/include/linux/pcs/pcs-xpcs.h +++ b/include/linux/pcs/pcs-xpcs.h @@ -18,6 +18,7 @@ #define DW_AN_C37_SGMII 2 #define DW_2500BASEX 3 #define DW_AN_C37_1000BASEX 4 +#define DW_10GBASER 5 struct xpcs_id;