From patchwork Thu Sep 20 16:13:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathias Nyman X-Patchwork-Id: 10607979 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 80813161F for ; Thu, 20 Sep 2018 16:10:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6E02D2DFCA for ; Thu, 20 Sep 2018 16:10:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6B65F2DF95; Thu, 20 Sep 2018 16:10:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CF0F52DF48 for ; Thu, 20 Sep 2018 16:10:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731376AbeITVyz (ORCPT ); Thu, 20 Sep 2018 17:54:55 -0400 Received: from mga05.intel.com ([192.55.52.43]:60307 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731009AbeITVyy (ORCPT ); Thu, 20 Sep 2018 17:54:54 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Sep 2018 09:10:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,399,1531810800"; d="scan'208";a="91827544" Received: from mattu-haswell.fi.intel.com ([10.237.72.164]) by fmsmga001.fm.intel.com with ESMTP; 20 Sep 2018 09:10:42 -0700 From: Mathias Nyman To: Cc: , Chunfeng Yun , Mathias Nyman Subject: [PATCH v2 05/10] usb: xhci-mtk: supports SSP without external USB3 gen2 hub Date: Thu, 20 Sep 2018 19:13:35 +0300 Message-Id: <1537460020-1009-6-git-send-email-mathias.nyman@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1537460020-1009-1-git-send-email-mathias.nyman@linux.intel.com> References: <1537460020-1009-1-git-send-email-mathias.nyman@linux.intel.com> Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Chunfeng Yun Supports SSP scheduling only for SSP device directly connected to root hub but not through external USB3 gen2 hub which need use a new scheduling way. Signed-off-by: Chunfeng Yun Signed-off-by: Mathias Nyman --- drivers/usb/host/xhci-mtk-sch.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c index 36050a1..fea5555 100644 --- a/drivers/usb/host/xhci-mtk-sch.c +++ b/drivers/usb/host/xhci-mtk-sch.c @@ -13,6 +13,7 @@ #include "xhci.h" #include "xhci-mtk.h" +#define SSP_BW_BOUNDARY 130000 #define SS_BW_BOUNDARY 51000 /* table 5-5. High-speed Isoc Transaction Limits in usb_20 spec */ #define HS_BW_BOUNDARY 6144 @@ -25,7 +26,7 @@ #define TT_MICROFRAMES_MAX 9 /* mtk scheduler bitmasks */ -#define EP_BPKTS(p) ((p) & 0x3f) +#define EP_BPKTS(p) ((p) & 0x7f) #define EP_BCSCOUNT(p) (((p) & 0x7) << 8) #define EP_BBM(p) ((p) << 11) #define EP_BOFFSET(p) ((p) & 0x3fff) @@ -56,7 +57,7 @@ static int get_bw_index(struct xhci_hcd *xhci, struct usb_device *udev, virt_dev = xhci->devs[udev->slot_id]; - if (udev->speed == USB_SPEED_SUPER) { + if (udev->speed >= USB_SPEED_SUPER) { if (usb_endpoint_dir_out(&ep->desc)) bw_index = (virt_dev->real_port - 1) * 2; else @@ -177,7 +178,7 @@ static struct mu3h_sch_ep_info *create_sch_ep(struct usb_device *udev, if (is_fs_or_ls(udev->speed)) len_bw_budget_table = TT_MICROFRAMES_MAX; - else if ((udev->speed == USB_SPEED_SUPER) + else if ((udev->speed >= USB_SPEED_SUPER) && usb_endpoint_xfer_isoc(&ep->desc)) len_bw_budget_table = get_esit(ep_ctx); else @@ -249,7 +250,7 @@ static void setup_sch_info(struct usb_device *udev, sch_ep->pkts = max_burst + 1; sch_ep->bw_cost_per_microframe = maxpkt * sch_ep->pkts; bwb_table[0] = sch_ep->bw_cost_per_microframe; - } else if (udev->speed == USB_SPEED_SUPER) { + } else if (udev->speed >= USB_SPEED_SUPER) { /* usb3_r1 spec section4.4.7 & 4.4.8 */ sch_ep->cs_count = 0; sch_ep->burst_mode = 1; @@ -511,8 +512,12 @@ static int check_sch_bw(struct usb_device *udev, break; } - bw_boundary = (udev->speed == USB_SPEED_SUPER) - ? SS_BW_BOUNDARY : HS_BW_BOUNDARY; + if (udev->speed == USB_SPEED_SUPER_PLUS) + bw_boundary = SSP_BW_BOUNDARY; + else if (udev->speed == USB_SPEED_SUPER) + bw_boundary = SS_BW_BOUNDARY; + else + bw_boundary = HS_BW_BOUNDARY; /* check bandwidth */ if (min_bw > bw_boundary)