From patchwork Fri Jul 7 06:53:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Patel, Utkarsh H" X-Patchwork-Id: 13304482 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 E5340EB64DA for ; Fri, 7 Jul 2023 06:52:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231570AbjGGGwD (ORCPT ); Fri, 7 Jul 2023 02:52:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45188 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231334AbjGGGv6 (ORCPT ); Fri, 7 Jul 2023 02:51:58 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E243A1FE5; Thu, 6 Jul 2023 23:51:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1688712715; x=1720248715; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=0s3VvmQ7Mpf//Dpu0NAISFRua0FC701ilpRQVR252lU=; b=Gg4nMDhRfmAp9x+fVXabKgXgWuAcAJBQ4R7hqYXkIY0gGsbgFp95fbfh 3iJ29CV8Ztda2WRvguOcCs0r/OVKgK5jyxLfUcdFiIdPeK+i2piJUPb8d FQoIgK/ZwO4eELCZZLzIRUIRmVi6ebkcfDsPgfel8WcH5fVgxMb9sOeKO 3XJdeu7sysKR+ouIIE/O0wBeDurgMlsHh/d+FpthUR1anRe95QJ3xyCHP TOsW0D+up+5bU7MifJRQ+ViLRfJN2tVQwNhf27UR6/KXAHpsbjykb8PGl VIuH+hR1mQnies5mFFeDel+d+zp1LnEBWYr5IEnqXwR9vtbBWNxQ10bMl A==; X-IronPort-AV: E=McAfee;i="6600,9927,10763"; a="394586944" X-IronPort-AV: E=Sophos;i="6.01,187,1684825200"; d="scan'208";a="394586944" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jul 2023 23:51:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10763"; a="749436231" X-IronPort-AV: E=Sophos;i="6.01,187,1684825200"; d="scan'208";a="749436231" Received: from uhpatel-desk4.jf.intel.com ([10.23.15.157]) by orsmga008.jf.intel.com with ESMTP; 06 Jul 2023 23:51:42 -0700 From: Utkarsh Patel To: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, heikki.krogerus@linux.intel.com, pmalani@chromium.org, bleung@chromium.org Cc: Utkarsh Patel Subject: [PATCH v3 2/2] usb: typec: intel_pmc_mux: Configure Active and Retimer Cable type Date: Thu, 6 Jul 2023 23:53:18 -0700 Message-Id: <20230707065318.18681-3-utkarsh.h.patel@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230707065318.18681-1-utkarsh.h.patel@intel.com> References: <20230707065318.18681-1-utkarsh.h.patel@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Cable type such as active and retimer received as a part of Thunderbolt3 or Thunderbolt4 cable discover mode VDO needs to be configured in the thunderbolt alternate mode. Configuring the register bits for this cable type is changed with Intel Meteor Lake platform. BIT2 for Retimer/Redriver cable and BIT22 for Active/Passive cable. Reviewed-by: Heikki Krogerus Signed-off-by: Utkarsh Patel --- Changes in v2: - No changes. Changes in v3: - No changes. --- --- drivers/usb/typec/mux/intel_pmc_mux.c | 28 +++++++++++++++++++++++---- 1 file changed, 24 insertions(+), 4 deletions(-) diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c index 5e8edf3881c0..888632847a74 100644 --- a/drivers/usb/typec/mux/intel_pmc_mux.c +++ b/drivers/usb/typec/mux/intel_pmc_mux.c @@ -59,7 +59,7 @@ enum { }; /* Common Mode Data bits */ -#define PMC_USB_ALTMODE_ACTIVE_CABLE BIT(2) +#define PMC_USB_ALTMODE_RETIMER_CABLE BIT(2) #define PMC_USB_ALTMODE_ORI_SHIFT 1 #define PMC_USB_ALTMODE_UFP_SHIFT 3 @@ -71,6 +71,7 @@ enum { #define PMC_USB_ALTMODE_TBT_TYPE BIT(17) #define PMC_USB_ALTMODE_CABLE_TYPE BIT(18) #define PMC_USB_ALTMODE_ACTIVE_LINK BIT(20) +#define PMC_USB_ALTMODE_ACTIVE_CABLE BIT(22) #define PMC_USB_ALTMODE_FORCE_LSR BIT(23) #define PMC_USB_ALTMODE_CABLE_SPD(_s_) (((_s_) & GENMASK(2, 0)) << 25) #define PMC_USB_ALTMODE_CABLE_USB31 1 @@ -319,8 +320,18 @@ pmc_usb_mux_tbt(struct pmc_usb_port *port, struct typec_mux_state *state) if (data->cable_mode & TBT_CABLE_LINK_TRAINING) req.mode_data |= PMC_USB_ALTMODE_ACTIVE_LINK; - if (data->enter_vdo & TBT_ENTER_MODE_ACTIVE_CABLE) - req.mode_data |= PMC_USB_ALTMODE_ACTIVE_CABLE; + if (acpi_dev_hid_uid_match(port->pmc->iom_adev, "INTC1072", NULL) || + acpi_dev_hid_uid_match(port->pmc->iom_adev, "INTC1079", NULL)) { + if ((data->enter_vdo & TBT_ENTER_MODE_ACTIVE_CABLE) || + (data->cable_mode & TBT_CABLE_RETIMER)) + req.mode_data |= PMC_USB_ALTMODE_RETIMER_CABLE; + } else { + if (data->enter_vdo & TBT_ENTER_MODE_ACTIVE_CABLE) + req.mode_data |= PMC_USB_ALTMODE_ACTIVE_CABLE; + + if (data->cable_mode & TBT_CABLE_RETIMER) + req.mode_data |= PMC_USB_ALTMODE_RETIMER_CABLE; + } req.mode_data |= PMC_USB_ALTMODE_CABLE_SPD(cable_speed); @@ -359,8 +370,17 @@ pmc_usb_mux_usb4(struct pmc_usb_port *port, struct typec_mux_state *state) case EUDO_CABLE_TYPE_OPTICAL: req.mode_data |= PMC_USB_ALTMODE_CABLE_TYPE; fallthrough; + case EUDO_CABLE_TYPE_RE_TIMER: + if (!acpi_dev_hid_uid_match(port->pmc->iom_adev, "INTC1072", NULL) || + !acpi_dev_hid_uid_match(port->pmc->iom_adev, "INTC1079", NULL)) + req.mode_data |= PMC_USB_ALTMODE_RETIMER_CABLE; + fallthrough; default: - req.mode_data |= PMC_USB_ALTMODE_ACTIVE_CABLE; + if (acpi_dev_hid_uid_match(port->pmc->iom_adev, "INTC1072", NULL) || + acpi_dev_hid_uid_match(port->pmc->iom_adev, "INTC1079", NULL)) + req.mode_data |= PMC_USB_ALTMODE_RETIMER_CABLE; + else + req.mode_data |= PMC_USB_ALTMODE_ACTIVE_CABLE; /* Configure data rate to rounded in the case of Active TBT3 * and USB4 cables.