From patchwork Tue Apr 14 16:41:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 11488591 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 1D3AC1871 for ; Tue, 14 Apr 2020 16:42:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F2D182075E for ; Tue, 14 Apr 2020 16:42:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586882547; bh=uIADPVJhn47LELHLQYmbheTe3bWLvztWOpj8M2xE458=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=YZ2fYJhd9dT7gFosEyoYrJT3KQxtcQ0M4vMuWldH6cp7x8CfVcmPf8+6c34lXp02l ADSrw17A5ZH9b0EN/t4PHO9CrnTh9OVgAiqgc0jEIjjf9Z2bcQIEatFafgpno4kGAo QItwoayJ564R1CJ7XpwBiEjNrNKZgajtjmgut8zo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2407360AbgDNQmZ (ORCPT ); Tue, 14 Apr 2020 12:42:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:51564 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2407342AbgDNQmX (ORCPT ); Tue, 14 Apr 2020 12:42:23 -0400 Received: from localhost.localdomain (unknown [122.167.127.254]) (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 0B6E520678; Tue, 14 Apr 2020 16:42:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586882542; bh=uIADPVJhn47LELHLQYmbheTe3bWLvztWOpj8M2xE458=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eFbRq5fGZ8xVT3F/+m3uU1z7njQ0Vy27gqlI++KlXQzeRSiDI97NKhzlpAtTm6yQ+ BVOx7OhaY26u5KIi3b3fpoNhzrrzukt1kPrUGYewtCURNWVc/b1O5pVoC/RPesJXR8 I4BA0tRH1YMAm1E39jO9xItxPoTb/LWuikZvJKOM= 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 v9 3/5] usb: xhci: Add support for Renesas controller with memory Date: Tue, 14 Apr 2020 22:11:50 +0530 Message-Id: <20200414164152.2786474-4-vkoul@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200414164152.2786474-1-vkoul@kernel.org> References: <20200414164152.2786474-1-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 | 33 +++++++++++++++++++++++++++++++++ drivers/usb/host/xhci.h | 1 + 2 files changed, 34 insertions(+) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index b6c2f5c530e3..11521e2e1720 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 @@ -328,6 +329,21 @@ 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; + + driver_data = (struct xhci_driver_data *)id->driver_data; + + if (driver_data && driver_data->quirks & XHCI_RENESAS_FW_QUIRK) { + retval = renesas_xhci_pci_probe(dev, id); + switch (retval) { + case 0: /* fw check success, continue */ + break; + case 1: /* fw will be loaded by async load */ + return 0; + default: /* error */ + return retval; + } + } /* Prevent runtime suspending between USB-2 and USB-3 initialization */ pm_runtime_get_noresume(&dev->dev); @@ -387,6 +403,11 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) static void xhci_pci_remove(struct pci_dev *dev) { struct xhci_hcd *xhci; + int err; + + err = renesas_xhci_pci_remove(dev); + if (err) + return; xhci = hcd_to_xhci(pci_get_drvdata(dev)); xhci->xhc_state |= XHCI_STATE_REMOVING; @@ -540,14 +561,26 @@ 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;