From patchwork Tue Nov 30 11:38:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neal Liu X-Patchwork-Id: 12694177 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AE262C433F5 for ; Tue, 30 Nov 2021 14:10:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=to+jm2OzJsFFKeWrnQxnI14dtyGb4RL95CRVU8b+QC0=; b=t8A4MUHBawh1pJ WSgoEvdOH87QryKNq0FVyPKWaXPLdXcGnXXrRH+VIxu0Tdi0bVQ8IKPcM8tYzHsow714ZHBbFGvXT IhJ6GmS/KzsQaqcPTHuXcFpX8Lz7MMChhJBtvr6aFhUJxLDk6EWtDthlyevE4Ir3koXWtxwP+g7ZL grYKY+i0WaaHt4pl8g5LjfIMHIWXT9vMYbj1UHUvYwRfZqJgDRsmTNyqGFQPR57mjEwpmvJmHI+sK BPyCF6nKLbHMefPKq4u611Nxj7NCmB9UMPG9CXwT6fcvsV25lqWVLQmMBGDojCQmyo8TAVJV0+q3e LDW3+axNY0xcmnOZ0+vA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ms3nt-005Uch-Fy; Tue, 30 Nov 2021 14:08:17 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ms3ly-005Tvr-AU for linux-arm-kernel@bombadil.infradead.org; Tue, 30 Nov 2021 14:06:18 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:Content-Transfer-Encoding :MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From: Sender:Reply-To:Content-ID:Content-Description; bh=YBDz3YqFCBe/CwWr3lz4KOB48k68FnMCkoGj3iUKxSE=; b=qOF7lHM03YeWszlVGn/Yw2Rmr4 HpfS1PYgktGgxMnkW5X0+Yv0wK+AC+zy0xHg87gbKX55Ziytil1oW0Pa96uYV4Vx1lRbyACMRf2RE wl9TxW3NCJ5U3a9ujYO47IStFTuJc7Io5dEcL67dj6Ns4L2mCK8TuEaDiOFjAff4nQGVaCXY1BEf6 vpqQZ0dVZwRuL6vY3AJmw2+Un7h8vHt6i8ieXEzG1qA/HDfVCaOSeSuAL9MPHlOxFd/h6PLkD8VOL /lB10b04W+yR+LKavh2NYxGdqvLE2AgD6en+ATG6Pwds/3SjKAp1T+wgoeaTn1vzdosWnTqMSkVTx Fs6td9Rw==; Received: from twspam01.aspeedtech.com ([211.20.114.71]) by desiato.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ms1UC-001RUb-Tm for linux-arm-kernel@lists.infradead.org; Tue, 30 Nov 2021 11:39:51 +0000 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1AUBENq1082290; Tue, 30 Nov 2021 19:14:23 +0800 (GMT-8) (envelope-from neal_liu@aspeedtech.com) Received: from localhost.localdomain (192.168.10.10) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 30 Nov 2021 19:38:54 +0800 From: Neal Liu To: Felipe Balbi , Greg Kroah-Hartman , Joel Stanley , Andrew Jeffery , Cai Huoqing , Tao Ren , Julia Lawall , "kernel test robot" , Sasha Levin , , , , CC: Neal Liu , , Subject: [PATCH v2 4/4] usb: aspeed-vhub: support test mode feature Date: Tue, 30 Nov 2021 19:38:47 +0800 Message-ID: <20211130113847.1405873-5-neal_liu@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211130113847.1405873-1-neal_liu@aspeedtech.com> References: <20211130113847.1405873-1-neal_liu@aspeedtech.com> MIME-Version: 1.0 X-Originating-IP: [192.168.10.10] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 1AUBENq1082290 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211130_113949_481819_7960887C X-CRM114-Status: GOOD ( 11.56 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org +Ben. --- Support aspeed usb vhub set feature to test mode. Signed-off-by: Neal Liu --- drivers/usb/gadget/udc/aspeed-vhub/dev.c | 18 ++++++++++++++---- drivers/usb/gadget/udc/aspeed-vhub/hub.c | 22 ++++++++++++++++------ 2 files changed, 30 insertions(+), 10 deletions(-) diff --git a/drivers/usb/gadget/udc/aspeed-vhub/dev.c b/drivers/usb/gadget/udc/aspeed-vhub/dev.c index d918e8b2af3c..4462f4b73b04 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/dev.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/dev.c @@ -110,15 +110,25 @@ static int ast_vhub_dev_feature(struct ast_vhub_dev *d, u16 wIndex, u16 wValue, bool is_set) { + u32 val; + DDBG(d, "%s_FEATURE(dev val=%02x)\n", is_set ? "SET" : "CLEAR", wValue); - if (wValue != USB_DEVICE_REMOTE_WAKEUP) - return std_req_driver; + if (wValue == USB_DEVICE_REMOTE_WAKEUP) { + d->wakeup_en = is_set; + return std_req_complete; - d->wakeup_en = is_set; + } else if (wValue == USB_DEVICE_TEST_MODE) { + val = readl(d->vhub->regs + AST_VHUB_CTRL); + val &= ~GENMASK(10, 8); + val |= VHUB_CTRL_SET_TEST_MODE((wIndex >> 8) & 0x7); + writel(val, d->vhub->regs + AST_VHUB_CTRL); - return std_req_complete; + return std_req_complete; + } + + return std_req_driver; } static int ast_vhub_ep_feature(struct ast_vhub_dev *d, diff --git a/drivers/usb/gadget/udc/aspeed-vhub/hub.c b/drivers/usb/gadget/udc/aspeed-vhub/hub.c index 93f27a745760..e52805fbdebd 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/hub.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/hub.c @@ -212,17 +212,27 @@ static int ast_vhub_hub_dev_feature(struct ast_vhub_ep *ep, u16 wIndex, u16 wValue, bool is_set) { + u32 val; + EPDBG(ep, "%s_FEATURE(dev val=%02x)\n", is_set ? "SET" : "CLEAR", wValue); - if (wValue != USB_DEVICE_REMOTE_WAKEUP) - return std_req_stall; + if (wValue == USB_DEVICE_REMOTE_WAKEUP) { + ep->vhub->wakeup_en = is_set; + EPDBG(ep, "Hub remote wakeup %s\n", + is_set ? "enabled" : "disabled"); + return std_req_complete; - ep->vhub->wakeup_en = is_set; - EPDBG(ep, "Hub remote wakeup %s\n", - is_set ? "enabled" : "disabled"); + } else if (wValue == USB_DEVICE_TEST_MODE) { + val = readl(ep->vhub->regs + AST_VHUB_CTRL); + val &= ~GENMASK(10, 8); + val |= VHUB_CTRL_SET_TEST_MODE((wIndex >> 8) & 0x7); + writel(val, ep->vhub->regs + AST_VHUB_CTRL); - return std_req_complete; + return std_req_complete; + } + + return std_req_stall; } static int ast_vhub_hub_ep_feature(struct ast_vhub_ep *ep,