From patchwork Sun Jan 21 22:24:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Li X-Patchwork-Id: 189845 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7301:2bc4:b0:101:a8e8:374 with SMTP id hx4csp2261099dyb; Sun, 21 Jan 2024 14:25:56 -0800 (PST) X-Google-Smtp-Source: AGHT+IG+4k2cnaaqZbw1LZd1Vdi0jB9vOUoZf5TnIpfy54b61wNsADCoysQyC1lat4G40vHAHAEj X-Received: by 2002:a05:6e02:5a6:b0:361:a5f3:1a8d with SMTP id k6-20020a056e0205a600b00361a5f31a8dmr4877821ils.48.1705875956009; Sun, 21 Jan 2024 14:25:56 -0800 (PST) Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id x3-20020a170902fe8300b001d72f9a9fe2si3012958plm.556.2024.01.21.14.25.55 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 21 Jan 2024 14:25:55 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-32203-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; dkim=pass header.i=@nxp.com header.s=selector2 header.b=IAhFx0Lb; arc=fail (signature failed); spf=pass (google.com: domain of linux-kernel+bounces-32203-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-32203-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nxp.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id A8A7B281F6D for ; Sun, 21 Jan 2024 22:25:55 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 6E35139AE1; Sun, 21 Jan 2024 22:25:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b="IAhFx0Lb" Received: from EUR04-DB3-obe.outbound.protection.outlook.com (mail-db3eur04on2065.outbound.protection.outlook.com [40.107.6.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5BD5738F8B; Sun, 21 Jan 2024 22:24:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.6.65 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705875896; cv=fail; b=qJIeH2I13/PECOky9RPgqu78KybRISIY9y4vULEPjdZcRagGUvxrPXnff8XjnTyriJKi1ZbYRkQrjgUGWuV8IvW6KDTnbPv4LbPFAIBdSuION+mn5ATpf3qIxQAeFavOm5FZfLxkU/1YsZh7rSB4vuEKyZGakJTh0DyRsoWW67I= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705875896; c=relaxed/simple; bh=QW8sn+VQ/3fwnaQ31eT8VGBdDK7MJ46DE1RzDubC/bI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Content-Type:MIME-Version; b=TTs5Vum3xSXT3Q0o88M7efOOIGZgEE94YqN8OjHI6ecn3Ho/VtQ52EOxcoqM9lZdByBcqA+psemoLfXHouiMn+lqTT2DTLEfU+TnfKoeYs6TXePZNUum1hLXH42XQSUwO44irX7manXOV92+mutodbkK+LMgdRzCbo3DWE6ddfs= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; dkim=pass (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b=IAhFx0Lb; arc=fail smtp.client-ip=40.107.6.65 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=UUevEvxZFOFWo/AROrn7E8A0FPFgliXkff3A3IM/dYozuq1VBoEwBSbSIPBTtIeMHwdjnp8d1GEJYmyjty4ofRgw5KJtcsfv8bDRk8DuP6polFTjuklp1lUVii1NIy5R8JApzL8APwV8r7ICjb54Mycdi1UXKorZ16LGgELTSZAN2rEjD9NnOv9NT0yX1aWdgkTgzdLjmbi5iqXCx0W0ZqFU/RAu6I2o1zqjVcTGG+aMzj0aueCS458NURWKQxTQC4WyjVS6lkm8uS7wlNIiU8hlvCjzuodNvswU45atMVdvTJPSOWWzgqjXexvlXXbbETQntUpEZbhDJ1JiNFEILg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=1kPmnKpcvuhnrqH1o3P/DoLtZPg2O4Dnl52Ecnuv6nI=; b=NJFR17XrfozuQ1SkP6rKrw3w4VZfLZLtho3/w0FVUTpy8LUp9cxxALnxCioxvY8W5R95XUS5PAdicnQcXHLnvN1Pr4WCvVU9SKVrU8psdK03rUCUlZiBGdalDqlYe5jpIEjuYg03jwO+wBpcV/d0c/hDSdGUwopRopoZjVsO3a/y9PNDhACY83no2Tlqm3mtDnkRoDOjwi7GFzrpZUWCkOU58NnaiK2iuUSj3FqVkJF3RCaiHgEDWUnR8VYYRgZBC21Ah/AH6/pZYIkix5dO6hpCXfIbrrjLdSirSDk3VmXvKoroTNXod9EDAVxyPzKPCk/hlAq4uMEMZgO4FL0QIg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=1kPmnKpcvuhnrqH1o3P/DoLtZPg2O4Dnl52Ecnuv6nI=; b=IAhFx0LbxfnJQ7n/oY6fvkNEDx54jfCMvP25fARz7hJDMZTm289jbmjctNoZ4z9PCLJmBX46j3vV7c3fkLuv5MbY0UoySWONWeH5P03N9aYN3aLRGue529sO5XPlaVG2a5w9OiBY70WBVVoid+fNiRSt/fkLahbzyZ6liTsWxkw= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from PAXPR04MB9642.eurprd04.prod.outlook.com (2603:10a6:102:240::14) by PAXPR04MB9074.eurprd04.prod.outlook.com (2603:10a6:102:227::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7202.31; Sun, 21 Jan 2024 22:24:51 +0000 Received: from PAXPR04MB9642.eurprd04.prod.outlook.com ([fe80::c8b4:5648:8948:e85c]) by PAXPR04MB9642.eurprd04.prod.outlook.com ([fe80::c8b4:5648:8948:e85c%3]) with mapi id 15.20.7202.031; Sun, 21 Jan 2024 22:24:51 +0000 From: Frank Li To: frank.li@nxp.com, mathias.nyman@intel.com Cc: Thinh.Nguyen@synopsys.com, balbi@kernel.org, devicetree@vger.kernel.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mark.rutland@arm.com, pku.leo@gmail.com, ran.wang_1@nxp.com, robh+dt@kernel.org, sergei.shtylyov@cogentembedded.com, imx@lists.linux.dev Subject: [PATCH v2 1/3] XHCI: Separate PORT and CAPs macros into dedicated file Date: Sun, 21 Jan 2024 17:24:26 -0500 Message-Id: <20240121222428.3396428-2-Frank.Li@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240121222428.3396428-1-Frank.Li@nxp.com> References: <20240121222428.3396428-1-Frank.Li@nxp.com> X-ClientProxiedBy: BY5PR17CA0063.namprd17.prod.outlook.com (2603:10b6:a03:167::40) To PAXPR04MB9642.eurprd04.prod.outlook.com (2603:10a6:102:240::14) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAXPR04MB9642:EE_|PAXPR04MB9074:EE_ X-MS-Office365-Filtering-Correlation-Id: 1d505675-c897-41c6-e6b5-08dc1acfc8c9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PAXPR04MB9642.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(366004)(346002)(136003)(396003)(39860400002)(376002)(230922051799003)(186009)(1800799012)(64100799003)(451199024)(86362001)(8936002)(4326008)(8676002)(316002)(66556008)(66476007)(66946007)(36756003)(5660300002)(6506007)(6486002)(2906002)(41300700001)(52116002)(30864003)(7416002)(38100700002)(38350700005)(83380400001)(66574015)(26005)(1076003)(2616005)(6512007)(6666004)(478600001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1d505675-c897-41c6-e6b5-08dc1acfc8c9 X-MS-Exchange-CrossTenant-AuthSource: PAXPR04MB9642.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Jan 2024 22:24:51.2400 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: XF0Ov87PKSMYQM5b1uP3SuiUNsuKNdtnnETpiGHxSPRRQyw+wxwd+84rIFWnc+UZguOC1+NHJRvdg2MRWrSUEg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAXPR04MB9074 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1788740586224837075 X-GMAIL-MSGID: 1788740586224837075 Split the PORT and CAPs macro definitions into a separate file to facilitate sharing with other files without the need to include the entire xhci.h. Signed-off-by: Frank Li --- drivers/usb/host/xhci-caps.h | 85 ++++++++++++ drivers/usb/host/xhci-port.h | 176 +++++++++++++++++++++++ drivers/usb/host/xhci.h | 262 +---------------------------------- 3 files changed, 264 insertions(+), 259 deletions(-) create mode 100644 drivers/usb/host/xhci-caps.h create mode 100644 drivers/usb/host/xhci-port.h diff --git a/drivers/usb/host/xhci-caps.h b/drivers/usb/host/xhci-caps.h new file mode 100644 index 0000000000000..9e94cebf4a56d --- /dev/null +++ b/drivers/usb/host/xhci-caps.h @@ -0,0 +1,85 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +/* hc_capbase bitmasks */ +/* bits 7:0 - how long is the Capabilities register */ +#define HC_LENGTH(p) XHCI_HC_LENGTH(p) +/* bits 31:16 */ +#define HC_VERSION(p) (((p) >> 16) & 0xffff) + +/* HCSPARAMS1 - hcs_params1 - bitmasks */ +/* bits 0:7, Max Device Slots */ +#define HCS_MAX_SLOTS(p) (((p) >> 0) & 0xff) +#define HCS_SLOTS_MASK 0xff +/* bits 8:18, Max Interrupters */ +#define HCS_MAX_INTRS(p) (((p) >> 8) & 0x7ff) +/* bits 24:31, Max Ports - max value is 0x7F = 127 ports */ +#define HCS_MAX_PORTS(p) (((p) >> 24) & 0x7f) + +/* HCSPARAMS2 - hcs_params2 - bitmasks */ +/* bits 0:3, frames or uframes that SW needs to queue transactions + * ahead of the HW to meet periodic deadlines */ +#define HCS_IST(p) (((p) >> 0) & 0xf) +/* bits 4:7, max number of Event Ring segments */ +#define HCS_ERST_MAX(p) (((p) >> 4) & 0xf) +/* bits 21:25 Hi 5 bits of Scratchpad buffers SW must allocate for the HW */ +/* bit 26 Scratchpad restore - for save/restore HW state - not used yet */ +/* bits 27:31 Lo 5 bits of Scratchpad buffers SW must allocate for the HW */ +#define HCS_MAX_SCRATCHPAD(p) ((((p) >> 16) & 0x3e0) | (((p) >> 27) & 0x1f)) + +/* HCSPARAMS3 - hcs_params3 - bitmasks */ +/* bits 0:7, Max U1 to U0 latency for the roothub ports */ +#define HCS_U1_LATENCY(p) (((p) >> 0) & 0xff) +/* bits 16:31, Max U2 to U0 latency for the roothub ports */ +#define HCS_U2_LATENCY(p) (((p) >> 16) & 0xffff) + +/* HCCPARAMS - hcc_params - bitmasks */ +/* true: HC can use 64-bit address pointers */ +#define HCC_64BIT_ADDR(p) ((p) & (1 << 0)) +/* true: HC can do bandwidth negotiation */ +#define HCC_BANDWIDTH_NEG(p) ((p) & (1 << 1)) +/* true: HC uses 64-byte Device Context structures + * FIXME 64-byte context structures aren't supported yet. + */ +#define HCC_64BYTE_CONTEXT(p) ((p) & (1 << 2)) +/* true: HC has port power switches */ +#define HCC_PPC(p) ((p) & (1 << 3)) +/* true: HC has port indicators */ +#define HCS_INDICATOR(p) ((p) & (1 << 4)) +/* true: HC has Light HC Reset Capability */ +#define HCC_LIGHT_RESET(p) ((p) & (1 << 5)) +/* true: HC supports latency tolerance messaging */ +#define HCC_LTC(p) ((p) & (1 << 6)) +/* true: no secondary Stream ID Support */ +#define HCC_NSS(p) ((p) & (1 << 7)) +/* true: HC supports Stopped - Short Packet */ +#define HCC_SPC(p) ((p) & (1 << 9)) +/* true: HC has Contiguous Frame ID Capability */ +#define HCC_CFC(p) ((p) & (1 << 11)) +/* Max size for Primary Stream Arrays - 2^(n+1), where n is bits 12:15 */ +#define HCC_MAX_PSA(p) (1 << ((((p) >> 12) & 0xf) + 1)) +/* Extended Capabilities pointer from PCI base - section 5.3.6 */ +#define HCC_EXT_CAPS(p) XHCI_HCC_EXT_CAPS(p) + +#define CTX_SIZE(_hcc) (HCC_64BYTE_CONTEXT(_hcc) ? 64 : 32) + +/* db_off bitmask - bits 0:1 reserved */ +#define DBOFF_MASK (~0x3) + +/* run_regs_off bitmask - bits 0:4 reserved */ +#define RTSOFF_MASK (~0x1f) + +/* HCCPARAMS2 - hcc_params2 - bitmasks */ +/* true: HC supports U3 entry Capability */ +#define HCC2_U3C(p) ((p) & (1 << 0)) +/* true: HC supports Configure endpoint command Max exit latency too large */ +#define HCC2_CMC(p) ((p) & (1 << 1)) +/* true: HC supports Force Save context Capability */ +#define HCC2_FSC(p) ((p) & (1 << 2)) +/* true: HC supports Compliance Transition Capability */ +#define HCC2_CTC(p) ((p) & (1 << 3)) +/* true: HC support Large ESIT payload Capability > 48k */ +#define HCC2_LEC(p) ((p) & (1 << 4)) +/* true: HC support Configuration Information Capability */ +#define HCC2_CIC(p) ((p) & (1 << 5)) +/* true: HC support Extended TBC Capability, Isoc burst count > 65535 */ +#define HCC2_ETC(p) ((p) & (1 << 6)) diff --git a/drivers/usb/host/xhci-port.h b/drivers/usb/host/xhci-port.h new file mode 100644 index 0000000000000..f19efb966d180 --- /dev/null +++ b/drivers/usb/host/xhci-port.h @@ -0,0 +1,176 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +/* PORTSC - Port Status and Control Register - port_status_base bitmasks */ +/* true: device connected */ +#define PORT_CONNECT (1 << 0) +/* true: port enabled */ +#define PORT_PE (1 << 1) +/* bit 2 reserved and zeroed */ +/* true: port has an over-current condition */ +#define PORT_OC (1 << 3) +/* true: port reset signaling asserted */ +#define PORT_RESET (1 << 4) +/* Port Link State - bits 5:8 + * A read gives the current link PM state of the port, + * a write with Link State Write Strobe set sets the link state. + */ +#define PORT_PLS_MASK (0xf << 5) +#define XDEV_U0 (0x0 << 5) +#define XDEV_U1 (0x1 << 5) +#define XDEV_U2 (0x2 << 5) +#define XDEV_U3 (0x3 << 5) +#define XDEV_DISABLED (0x4 << 5) +#define XDEV_RXDETECT (0x5 << 5) +#define XDEV_INACTIVE (0x6 << 5) +#define XDEV_POLLING (0x7 << 5) +#define XDEV_RECOVERY (0x8 << 5) +#define XDEV_HOT_RESET (0x9 << 5) +#define XDEV_COMP_MODE (0xa << 5) +#define XDEV_TEST_MODE (0xb << 5) +#define XDEV_RESUME (0xf << 5) + +/* true: port has power (see HCC_PPC) */ +#define PORT_POWER (1 << 9) +/* bits 10:13 indicate device speed: + * 0 - undefined speed - port hasn't be initialized by a reset yet + * 1 - full speed + * 2 - low speed + * 3 - high speed + * 4 - super speed + * 5-15 reserved + */ +#define DEV_SPEED_MASK (0xf << 10) +#define XDEV_FS (0x1 << 10) +#define XDEV_LS (0x2 << 10) +#define XDEV_HS (0x3 << 10) +#define XDEV_SS (0x4 << 10) +#define XDEV_SSP (0x5 << 10) +#define DEV_UNDEFSPEED(p) (((p) & DEV_SPEED_MASK) == (0x0<<10)) +#define DEV_FULLSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_FS) +#define DEV_LOWSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_LS) +#define DEV_HIGHSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_HS) +#define DEV_SUPERSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_SS) +#define DEV_SUPERSPEEDPLUS(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP) +#define DEV_SUPERSPEED_ANY(p) (((p) & DEV_SPEED_MASK) >= XDEV_SS) +#define DEV_PORT_SPEED(p) (((p) >> 10) & 0x0f) + +/* Bits 20:23 in the Slot Context are the speed for the device */ +#define SLOT_SPEED_FS (XDEV_FS << 10) +#define SLOT_SPEED_LS (XDEV_LS << 10) +#define SLOT_SPEED_HS (XDEV_HS << 10) +#define SLOT_SPEED_SS (XDEV_SS << 10) +#define SLOT_SPEED_SSP (XDEV_SSP << 10) +/* Port Indicator Control */ +#define PORT_LED_OFF (0 << 14) +#define PORT_LED_AMBER (1 << 14) +#define PORT_LED_GREEN (2 << 14) +#define PORT_LED_MASK (3 << 14) +/* Port Link State Write Strobe - set this when changing link state */ +#define PORT_LINK_STROBE (1 << 16) +/* true: connect status change */ +#define PORT_CSC (1 << 17) +/* true: port enable change */ +#define PORT_PEC (1 << 18) +/* true: warm reset for a USB 3.0 device is done. A "hot" reset puts the port + * into an enabled state, and the device into the default state. A "warm" reset + * also resets the link, forcing the device through the link training sequence. + * SW can also look at the Port Reset register to see when warm reset is done. + */ +#define PORT_WRC (1 << 19) +/* true: over-current change */ +#define PORT_OCC (1 << 20) +/* true: reset change - 1 to 0 transition of PORT_RESET */ +#define PORT_RC (1 << 21) +/* port link status change - set on some port link state transitions: + * Transition Reason + * ------------------------------------------------------------------------------ + * - U3 to Resume Wakeup signaling from a device + * - Resume to Recovery to U0 USB 3.0 device resume + * - Resume to U0 USB 2.0 device resume + * - U3 to Recovery to U0 Software resume of USB 3.0 device complete + * - U3 to U0 Software resume of USB 2.0 device complete + * - U2 to U0 L1 resume of USB 2.1 device complete + * - U0 to U0 (???) L1 entry rejection by USB 2.1 device + * - U0 to disabled L1 entry error with USB 2.1 device + * - Any state to inactive Error on USB 3.0 port + */ +#define PORT_PLC (1 << 22) +/* port configure error change - port failed to configure its link partner */ +#define PORT_CEC (1 << 23) +#define PORT_CHANGE_MASK (PORT_CSC | PORT_PEC | PORT_WRC | PORT_OCC | \ + PORT_RC | PORT_PLC | PORT_CEC) + + +/* Cold Attach Status - xHC can set this bit to report device attached during + * Sx state. Warm port reset should be perfomed to clear this bit and move port + * to connected state. + */ +#define PORT_CAS (1 << 24) +/* wake on connect (enable) */ +#define PORT_WKCONN_E (1 << 25) +/* wake on disconnect (enable) */ +#define PORT_WKDISC_E (1 << 26) +/* wake on over-current (enable) */ +#define PORT_WKOC_E (1 << 27) +/* bits 28:29 reserved */ +/* true: device is non-removable - for USB 3.0 roothub emulation */ +#define PORT_DEV_REMOVE (1 << 30) +/* Initiate a warm port reset - complete when PORT_WRC is '1' */ +#define PORT_WR (1 << 31) + +/* We mark duplicate entries with -1 */ +#define DUPLICATE_ENTRY ((u8)(-1)) + +/* Port Power Management Status and Control - port_power_base bitmasks */ +/* Inactivity timer value for transitions into U1, in microseconds. + * Timeout can be up to 127us. 0xFF means an infinite timeout. + */ +#define PORT_U1_TIMEOUT(p) ((p) & 0xff) +#define PORT_U1_TIMEOUT_MASK 0xff +/* Inactivity timer value for transitions into U2 */ +#define PORT_U2_TIMEOUT(p) (((p) & 0xff) << 8) +#define PORT_U2_TIMEOUT_MASK (0xff << 8) +/* Bits 24:31 for port testing */ + +/* USB2 Protocol PORTSPMSC */ +#define PORT_L1S_MASK 7 +#define PORT_L1S_SUCCESS 1 +#define PORT_RWE (1 << 3) +#define PORT_HIRD(p) (((p) & 0xf) << 4) +#define PORT_HIRD_MASK (0xf << 4) +#define PORT_L1DS_MASK (0xff << 8) +#define PORT_L1DS(p) (((p) & 0xff) << 8) +#define PORT_HLE (1 << 16) +#define PORT_TEST_MODE_SHIFT 28 + +/* USB3 Protocol PORTLI Port Link Information */ +#define PORT_RX_LANES(p) (((p) >> 16) & 0xf) +#define PORT_TX_LANES(p) (((p) >> 20) & 0xf) + +/* USB2 Protocol PORTHLPMC */ +#define PORT_HIRDM(p)((p) & 3) +#define PORT_L1_TIMEOUT(p)(((p) & 0xff) << 2) +#define PORT_BESLD(p)(((p) & 0xf) << 10) + +/* use 512 microseconds as USB2 LPM L1 default timeout. */ +#define XHCI_L1_TIMEOUT 512 + +/* Set default HIRD/BESL value to 4 (350/400us) for USB2 L1 LPM resume latency. + * Safe to use with mixed HIRD and BESL systems (host and device) and is used + * by other operating systems. + * + * XHCI 1.0 errata 8/14/12 Table 13 notes: + * "Software should choose xHC BESL/BESLD field values that do not violate a + * device's resume latency requirements, + * e.g. not program values > '4' if BLC = '1' and a HIRD device is attached, + * or not program values < '4' if BLC = '0' and a BESL device is attached. + */ +#define XHCI_DEFAULT_BESL 4 + +/* + * USB3 specification define a 360ms tPollingLFPSTiemout for USB3 ports + * to complete link training. usually link trainig completes much faster + * so check status 10 times with 36ms sleep in places we need to wait for + * polling to complete. + */ +#define XHCI_PORT_POLLING_LFPS_TIME 36 diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index a5c72a634e6a9..c6349e7e1e957 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -22,6 +22,9 @@ #include "xhci-ext-caps.h" #include "pci-quirks.h" +#include "xhci-port.h" +#include "xhci-caps.h" + /* max buffer size for trace and debug messages */ #define XHCI_MSG_MAX 500 @@ -62,90 +65,6 @@ struct xhci_cap_regs { /* Reserved up to (CAPLENGTH - 0x1C) */ }; -/* hc_capbase bitmasks */ -/* bits 7:0 - how long is the Capabilities register */ -#define HC_LENGTH(p) XHCI_HC_LENGTH(p) -/* bits 31:16 */ -#define HC_VERSION(p) (((p) >> 16) & 0xffff) - -/* HCSPARAMS1 - hcs_params1 - bitmasks */ -/* bits 0:7, Max Device Slots */ -#define HCS_MAX_SLOTS(p) (((p) >> 0) & 0xff) -#define HCS_SLOTS_MASK 0xff -/* bits 8:18, Max Interrupters */ -#define HCS_MAX_INTRS(p) (((p) >> 8) & 0x7ff) -/* bits 24:31, Max Ports - max value is 0x7F = 127 ports */ -#define HCS_MAX_PORTS(p) (((p) >> 24) & 0x7f) - -/* HCSPARAMS2 - hcs_params2 - bitmasks */ -/* bits 0:3, frames or uframes that SW needs to queue transactions - * ahead of the HW to meet periodic deadlines */ -#define HCS_IST(p) (((p) >> 0) & 0xf) -/* bits 4:7, max number of Event Ring segments */ -#define HCS_ERST_MAX(p) (((p) >> 4) & 0xf) -/* bits 21:25 Hi 5 bits of Scratchpad buffers SW must allocate for the HW */ -/* bit 26 Scratchpad restore - for save/restore HW state - not used yet */ -/* bits 27:31 Lo 5 bits of Scratchpad buffers SW must allocate for the HW */ -#define HCS_MAX_SCRATCHPAD(p) ((((p) >> 16) & 0x3e0) | (((p) >> 27) & 0x1f)) - -/* HCSPARAMS3 - hcs_params3 - bitmasks */ -/* bits 0:7, Max U1 to U0 latency for the roothub ports */ -#define HCS_U1_LATENCY(p) (((p) >> 0) & 0xff) -/* bits 16:31, Max U2 to U0 latency for the roothub ports */ -#define HCS_U2_LATENCY(p) (((p) >> 16) & 0xffff) - -/* HCCPARAMS - hcc_params - bitmasks */ -/* true: HC can use 64-bit address pointers */ -#define HCC_64BIT_ADDR(p) ((p) & (1 << 0)) -/* true: HC can do bandwidth negotiation */ -#define HCC_BANDWIDTH_NEG(p) ((p) & (1 << 1)) -/* true: HC uses 64-byte Device Context structures - * FIXME 64-byte context structures aren't supported yet. - */ -#define HCC_64BYTE_CONTEXT(p) ((p) & (1 << 2)) -/* true: HC has port power switches */ -#define HCC_PPC(p) ((p) & (1 << 3)) -/* true: HC has port indicators */ -#define HCS_INDICATOR(p) ((p) & (1 << 4)) -/* true: HC has Light HC Reset Capability */ -#define HCC_LIGHT_RESET(p) ((p) & (1 << 5)) -/* true: HC supports latency tolerance messaging */ -#define HCC_LTC(p) ((p) & (1 << 6)) -/* true: no secondary Stream ID Support */ -#define HCC_NSS(p) ((p) & (1 << 7)) -/* true: HC supports Stopped - Short Packet */ -#define HCC_SPC(p) ((p) & (1 << 9)) -/* true: HC has Contiguous Frame ID Capability */ -#define HCC_CFC(p) ((p) & (1 << 11)) -/* Max size for Primary Stream Arrays - 2^(n+1), where n is bits 12:15 */ -#define HCC_MAX_PSA(p) (1 << ((((p) >> 12) & 0xf) + 1)) -/* Extended Capabilities pointer from PCI base - section 5.3.6 */ -#define HCC_EXT_CAPS(p) XHCI_HCC_EXT_CAPS(p) - -#define CTX_SIZE(_hcc) (HCC_64BYTE_CONTEXT(_hcc) ? 64 : 32) - -/* db_off bitmask - bits 0:1 reserved */ -#define DBOFF_MASK (~0x3) - -/* run_regs_off bitmask - bits 0:4 reserved */ -#define RTSOFF_MASK (~0x1f) - -/* HCCPARAMS2 - hcc_params2 - bitmasks */ -/* true: HC supports U3 entry Capability */ -#define HCC2_U3C(p) ((p) & (1 << 0)) -/* true: HC supports Configure endpoint command Max exit latency too large */ -#define HCC2_CMC(p) ((p) & (1 << 1)) -/* true: HC supports Force Save context Capability */ -#define HCC2_FSC(p) ((p) & (1 << 2)) -/* true: HC supports Compliance Transition Capability */ -#define HCC2_CTC(p) ((p) & (1 << 3)) -/* true: HC support Large ESIT payload Capability > 48k */ -#define HCC2_LEC(p) ((p) & (1 << 4)) -/* true: HC support Configuration Information Capability */ -#define HCC2_CIC(p) ((p) & (1 << 5)) -/* true: HC support Extended TBC Capability, Isoc burst count > 65535 */ -#define HCC2_ETC(p) ((p) & (1 << 6)) - /* Number of registers per port */ #define NUM_PORT_REGS 4 @@ -291,181 +210,6 @@ struct xhci_op_regs { #define CONFIG_CIE (1 << 9) /* bits 10:31 - reserved and should be preserved */ -/* PORTSC - Port Status and Control Register - port_status_base bitmasks */ -/* true: device connected */ -#define PORT_CONNECT (1 << 0) -/* true: port enabled */ -#define PORT_PE (1 << 1) -/* bit 2 reserved and zeroed */ -/* true: port has an over-current condition */ -#define PORT_OC (1 << 3) -/* true: port reset signaling asserted */ -#define PORT_RESET (1 << 4) -/* Port Link State - bits 5:8 - * A read gives the current link PM state of the port, - * a write with Link State Write Strobe set sets the link state. - */ -#define PORT_PLS_MASK (0xf << 5) -#define XDEV_U0 (0x0 << 5) -#define XDEV_U1 (0x1 << 5) -#define XDEV_U2 (0x2 << 5) -#define XDEV_U3 (0x3 << 5) -#define XDEV_DISABLED (0x4 << 5) -#define XDEV_RXDETECT (0x5 << 5) -#define XDEV_INACTIVE (0x6 << 5) -#define XDEV_POLLING (0x7 << 5) -#define XDEV_RECOVERY (0x8 << 5) -#define XDEV_HOT_RESET (0x9 << 5) -#define XDEV_COMP_MODE (0xa << 5) -#define XDEV_TEST_MODE (0xb << 5) -#define XDEV_RESUME (0xf << 5) - -/* true: port has power (see HCC_PPC) */ -#define PORT_POWER (1 << 9) -/* bits 10:13 indicate device speed: - * 0 - undefined speed - port hasn't be initialized by a reset yet - * 1 - full speed - * 2 - low speed - * 3 - high speed - * 4 - super speed - * 5-15 reserved - */ -#define DEV_SPEED_MASK (0xf << 10) -#define XDEV_FS (0x1 << 10) -#define XDEV_LS (0x2 << 10) -#define XDEV_HS (0x3 << 10) -#define XDEV_SS (0x4 << 10) -#define XDEV_SSP (0x5 << 10) -#define DEV_UNDEFSPEED(p) (((p) & DEV_SPEED_MASK) == (0x0<<10)) -#define DEV_FULLSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_FS) -#define DEV_LOWSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_LS) -#define DEV_HIGHSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_HS) -#define DEV_SUPERSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_SS) -#define DEV_SUPERSPEEDPLUS(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP) -#define DEV_SUPERSPEED_ANY(p) (((p) & DEV_SPEED_MASK) >= XDEV_SS) -#define DEV_PORT_SPEED(p) (((p) >> 10) & 0x0f) - -/* Bits 20:23 in the Slot Context are the speed for the device */ -#define SLOT_SPEED_FS (XDEV_FS << 10) -#define SLOT_SPEED_LS (XDEV_LS << 10) -#define SLOT_SPEED_HS (XDEV_HS << 10) -#define SLOT_SPEED_SS (XDEV_SS << 10) -#define SLOT_SPEED_SSP (XDEV_SSP << 10) -/* Port Indicator Control */ -#define PORT_LED_OFF (0 << 14) -#define PORT_LED_AMBER (1 << 14) -#define PORT_LED_GREEN (2 << 14) -#define PORT_LED_MASK (3 << 14) -/* Port Link State Write Strobe - set this when changing link state */ -#define PORT_LINK_STROBE (1 << 16) -/* true: connect status change */ -#define PORT_CSC (1 << 17) -/* true: port enable change */ -#define PORT_PEC (1 << 18) -/* true: warm reset for a USB 3.0 device is done. A "hot" reset puts the port - * into an enabled state, and the device into the default state. A "warm" reset - * also resets the link, forcing the device through the link training sequence. - * SW can also look at the Port Reset register to see when warm reset is done. - */ -#define PORT_WRC (1 << 19) -/* true: over-current change */ -#define PORT_OCC (1 << 20) -/* true: reset change - 1 to 0 transition of PORT_RESET */ -#define PORT_RC (1 << 21) -/* port link status change - set on some port link state transitions: - * Transition Reason - * ------------------------------------------------------------------------------ - * - U3 to Resume Wakeup signaling from a device - * - Resume to Recovery to U0 USB 3.0 device resume - * - Resume to U0 USB 2.0 device resume - * - U3 to Recovery to U0 Software resume of USB 3.0 device complete - * - U3 to U0 Software resume of USB 2.0 device complete - * - U2 to U0 L1 resume of USB 2.1 device complete - * - U0 to U0 (???) L1 entry rejection by USB 2.1 device - * - U0 to disabled L1 entry error with USB 2.1 device - * - Any state to inactive Error on USB 3.0 port - */ -#define PORT_PLC (1 << 22) -/* port configure error change - port failed to configure its link partner */ -#define PORT_CEC (1 << 23) -#define PORT_CHANGE_MASK (PORT_CSC | PORT_PEC | PORT_WRC | PORT_OCC | \ - PORT_RC | PORT_PLC | PORT_CEC) - - -/* Cold Attach Status - xHC can set this bit to report device attached during - * Sx state. Warm port reset should be perfomed to clear this bit and move port - * to connected state. - */ -#define PORT_CAS (1 << 24) -/* wake on connect (enable) */ -#define PORT_WKCONN_E (1 << 25) -/* wake on disconnect (enable) */ -#define PORT_WKDISC_E (1 << 26) -/* wake on over-current (enable) */ -#define PORT_WKOC_E (1 << 27) -/* bits 28:29 reserved */ -/* true: device is non-removable - for USB 3.0 roothub emulation */ -#define PORT_DEV_REMOVE (1 << 30) -/* Initiate a warm port reset - complete when PORT_WRC is '1' */ -#define PORT_WR (1 << 31) - -/* We mark duplicate entries with -1 */ -#define DUPLICATE_ENTRY ((u8)(-1)) - -/* Port Power Management Status and Control - port_power_base bitmasks */ -/* Inactivity timer value for transitions into U1, in microseconds. - * Timeout can be up to 127us. 0xFF means an infinite timeout. - */ -#define PORT_U1_TIMEOUT(p) ((p) & 0xff) -#define PORT_U1_TIMEOUT_MASK 0xff -/* Inactivity timer value for transitions into U2 */ -#define PORT_U2_TIMEOUT(p) (((p) & 0xff) << 8) -#define PORT_U2_TIMEOUT_MASK (0xff << 8) -/* Bits 24:31 for port testing */ - -/* USB2 Protocol PORTSPMSC */ -#define PORT_L1S_MASK 7 -#define PORT_L1S_SUCCESS 1 -#define PORT_RWE (1 << 3) -#define PORT_HIRD(p) (((p) & 0xf) << 4) -#define PORT_HIRD_MASK (0xf << 4) -#define PORT_L1DS_MASK (0xff << 8) -#define PORT_L1DS(p) (((p) & 0xff) << 8) -#define PORT_HLE (1 << 16) -#define PORT_TEST_MODE_SHIFT 28 - -/* USB3 Protocol PORTLI Port Link Information */ -#define PORT_RX_LANES(p) (((p) >> 16) & 0xf) -#define PORT_TX_LANES(p) (((p) >> 20) & 0xf) - -/* USB2 Protocol PORTHLPMC */ -#define PORT_HIRDM(p)((p) & 3) -#define PORT_L1_TIMEOUT(p)(((p) & 0xff) << 2) -#define PORT_BESLD(p)(((p) & 0xf) << 10) - -/* use 512 microseconds as USB2 LPM L1 default timeout. */ -#define XHCI_L1_TIMEOUT 512 - -/* Set default HIRD/BESL value to 4 (350/400us) for USB2 L1 LPM resume latency. - * Safe to use with mixed HIRD and BESL systems (host and device) and is used - * by other operating systems. - * - * XHCI 1.0 errata 8/14/12 Table 13 notes: - * "Software should choose xHC BESL/BESLD field values that do not violate a - * device's resume latency requirements, - * e.g. not program values > '4' if BLC = '1' and a HIRD device is attached, - * or not program values < '4' if BLC = '0' and a BESL device is attached. - */ -#define XHCI_DEFAULT_BESL 4 - -/* - * USB3 specification define a 360ms tPollingLFPSTiemout for USB3 ports - * to complete link training. usually link trainig completes much faster - * so check status 10 times with 36ms sleep in places we need to wait for - * polling to complete. - */ -#define XHCI_PORT_POLLING_LFPS_TIME 36 - /** * struct xhci_intr_reg - Interrupt Register Set * @irq_pending: IMAN - Interrupt Management Register. Used to enable