From patchwork Fri Apr 24 10:14:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 11507447 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9418615AB for ; Fri, 24 Apr 2020 10:15:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 78EEF21569 for ; Fri, 24 Apr 2020 10:15:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587723326; bh=emDxWm8a+pbHTYE+ghc++qqBat9CaktSFKrVNcCvyhI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=lL7d8jh+1yPV55eq/V1Wc3UeFYc9JJtdpmIc8Yw+rYAJ2DmwlaBtZ+/GNSYNwcQet vp9nXzx5iEyOdaZ913LZsHRAogm0vB8G0POFuKcbS/yULmzeysEiYFU2UdGNvcBWa9 ENjAx6tdLib4bBVvwF38VqYzkwODML3lXD8Pnick= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726948AbgDXKPN (ORCPT ); Fri, 24 Apr 2020 06:15:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:43118 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726942AbgDXKPJ (ORCPT ); Fri, 24 Apr 2020 06:15:09 -0400 Received: from localhost.localdomain (unknown [117.99.83.91]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0202C20728; Fri, 24 Apr 2020 10:15:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587723308; bh=emDxWm8a+pbHTYE+ghc++qqBat9CaktSFKrVNcCvyhI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SqZqHJhs86mJ1IFZ4SbLr/KmA40ymIhqO8+jJYkhcyuXRgB/I+mh7soA7QfmPkmCF W12WExQZWg8ZymXIqJVd3RL5Ryyca769PLPQhpJDVtjmsRKJO1ciqvFzri+pKqx79t oeTaV86zU92IlizqQ3M/d0szVjGghD2QEOgKIiBE= From: Vinod Koul To: Mathias Nyman , Greg Kroah-Hartman Cc: linux-arm-msm@vger.kernel.org, Bjorn Andersson , Vinod Koul , Yoshihiro Shimoda , Christian Lamparter , John Stultz , Alan Stern , =?utf-8?q?Andreas_B=C3=B6hler?= , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v10 3/5] usb: xhci: Add support for Renesas controller with memory Date: Fri, 24 Apr 2020 15:44:08 +0530 Message-Id: <20200424101410.2364219-4-vkoul@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200424101410.2364219-1-vkoul@kernel.org> References: <20200424101410.2364219-1-vkoul@kernel.org> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Some rensas controller like uPD720201 and uPD720202 need firmware to be loaded. Add these devices in table and invoke renesas firmware loader functions to check and load the firmware into device memory when required. Signed-off-by: Vinod Koul --- drivers/usb/host/xhci-pci.c | 28 ++++++++++++++++++++++++++++ drivers/usb/host/xhci.h | 1 + 2 files changed, 29 insertions(+) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index b6c2f5c530e3..f26cf072836d 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -15,6 +15,7 @@ #include "xhci.h" #include "xhci-trace.h" +#include "xhci-pci.h" #define SSIC_PORT_NUM 2 #define SSIC_PORT_CFG2 0x880c @@ -319,6 +320,8 @@ static int xhci_pci_setup(struct usb_hcd *hcd) return xhci_pci_reinit(xhci, pdev); } +static bool renesas_device; + /* * We need to register our own PCI probe function (instead of the USB core's * function) in order to create a second roothub under xHCI. @@ -328,6 +331,16 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) int retval; struct xhci_hcd *xhci; struct usb_hcd *hcd; + struct xhci_driver_data *driver_data; + + renesas_device = false; + driver_data = (struct xhci_driver_data *)id->driver_data; + if (driver_data && driver_data->quirks & XHCI_RENESAS_FW_QUIRK) { + retval = renesas_xhci_check_request_fw(dev, id); + if (retval) + return retval; + renesas_device = true; + } /* Prevent runtime suspending between USB-2 and USB-3 initialization */ pm_runtime_get_noresume(&dev->dev); @@ -388,6 +401,9 @@ static void xhci_pci_remove(struct pci_dev *dev) { struct xhci_hcd *xhci; + if (renesas_device) + renesas_xhci_pci_exit(dev); + xhci = hcd_to_xhci(pci_get_drvdata(dev)); xhci->xhc_state |= XHCI_STATE_REMOVING; @@ -540,14 +556,26 @@ static void xhci_pci_shutdown(struct usb_hcd *hcd) /*-------------------------------------------------------------------------*/ +static const struct xhci_driver_data reneses_data = { + .quirks = XHCI_RENESAS_FW_QUIRK, + .firmware = "renesas_usb_fw.mem", +}; + /* PCI driver selection metadata; PCI hotplugging uses this */ static const struct pci_device_id pci_ids[] = { + { PCI_DEVICE(0x1912, 0x0014), + .driver_data = (unsigned long)&reneses_data, + }, + { PCI_DEVICE(0x1912, 0x0015), + .driver_data = (unsigned long)&reneses_data, + }, /* handle any USB 3.0 xHCI controller */ { PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_XHCI, ~0), }, { /* end: all zeroes */ } }; MODULE_DEVICE_TABLE(pci, pci_ids); +MODULE_FIRMWARE("renesas_usb_fw.mem"); /* pci driver glue; this is a "new style" PCI driver module */ static struct pci_driver xhci_pci_driver = { diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 3289bb516201..4047363c7423 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1873,6 +1873,7 @@ struct xhci_hcd { #define XHCI_DEFAULT_PM_RUNTIME_ALLOW BIT_ULL(33) #define XHCI_RESET_PLL_ON_DISCONNECT BIT_ULL(34) #define XHCI_SNPS_BROKEN_SUSPEND BIT_ULL(35) +#define XHCI_RENESAS_FW_QUIRK BIT_ULL(36) unsigned int num_active_eps; unsigned int limit_active_eps;