From patchwork Mon Apr 15 12:09:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 10900633 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 A125A922 for ; Mon, 15 Apr 2019 12:09:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 87CB4287FB for ; Mon, 15 Apr 2019 12:09:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7C0712880B; Mon, 15 Apr 2019 12:09:38 +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 143AA287FB for ; Mon, 15 Apr 2019 12:09:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727186AbfDOMJh (ORCPT ); Mon, 15 Apr 2019 08:09:37 -0400 Received: from mga12.intel.com ([192.55.52.136]:10510 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726095AbfDOMJh (ORCPT ); Mon, 15 Apr 2019 08:09:37 -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 fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Apr 2019 05:09:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,353,1549958400"; d="scan'208";a="164850771" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 15 Apr 2019 05:09:35 -0700 From: Heikki Krogerus To: Greg Kroah-Hartman Cc: Ajay Gupta , linux-usb@vger.kernel.org Subject: [PATCH v2 2/7] usb: typec: ucsi: ccg: add get_fw_info function Date: Mon, 15 Apr 2019 15:09:26 +0300 Message-Id: <20190415120931.61328-3-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190415120931.61328-1-heikki.krogerus@linux.intel.com> References: <20190415120931.61328-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 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: Ajay Gupta Function is to get the details of ccg firmware and device version. It will be useful in debugging and also during firmware update. Signed-off-by: Ajay Gupta Signed-off-by: Heikki Krogerus --- drivers/usb/typec/ucsi/ucsi_ccg.c | 66 ++++++++++++++++++++++++++++++- 1 file changed, 64 insertions(+), 2 deletions(-) diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c index de8a43bdff68..3884fb41c72e 100644 --- a/drivers/usb/typec/ucsi/ucsi_ccg.c +++ b/drivers/usb/typec/ucsi/ucsi_ccg.c @@ -17,15 +17,54 @@ #include #include "ucsi.h" +enum enum_fw_mode { + BOOT, /* bootloader */ + FW1, /* FW partition-1 (contains secondary fw) */ + FW2, /* FW partition-2 (contains primary fw) */ + FW_INVALID, +}; + +struct ccg_dev_info { +#define CCG_DEVINFO_FWMODE_SHIFT (0) +#define CCG_DEVINFO_FWMODE_MASK (0x3 << CCG_DEVINFO_FWMODE_SHIFT) +#define CCG_DEVINFO_PDPORTS_SHIFT (2) +#define CCG_DEVINFO_PDPORTS_MASK (0x3 << CCG_DEVINFO_PDPORTS_SHIFT) + u8 mode; + u8 bl_mode; + __le16 silicon_id; + __le16 bl_last_row; +} __packed; + +struct version_format { + __le16 build; + u8 patch; + u8 ver; +#define CCG_VERSION_MIN_SHIFT (0) +#define CCG_VERSION_MIN_MASK (0xf << CCG_VERSION_MIN_SHIFT) +#define CCG_VERSION_MAJ_SHIFT (4) +#define CCG_VERSION_MAJ_MASK (0xf << CCG_VERSION_MAJ_SHIFT) +} __packed; + +struct version_info { + struct version_format base; + struct version_format app; +}; + struct ucsi_ccg { struct device *dev; struct ucsi *ucsi; struct ucsi_ppm ppm; struct i2c_client *client; + struct ccg_dev_info info; + /* version info for boot, primary and secondary */ + struct version_info version[FW2 + 1]; }; -#define CCGX_RAB_INTR_REG 0x06 -#define CCGX_RAB_UCSI_CONTROL 0x39 +#define CCGX_RAB_DEVICE_MODE 0x0000 +#define CCGX_RAB_INTR_REG 0x0006 +#define CCGX_RAB_READ_ALL_VER 0x0010 +#define CCGX_RAB_READ_FW2_VER 0x0020 +#define CCGX_RAB_UCSI_CONTROL 0x0039 #define CCGX_RAB_UCSI_CONTROL_START BIT(0) #define CCGX_RAB_UCSI_CONTROL_STOP BIT(1) #define CCGX_RAB_UCSI_DATA_BLOCK(offset) (0xf000 | ((offset) & 0xff)) @@ -220,6 +259,23 @@ static irqreturn_t ccg_irq_handler(int irq, void *data) return IRQ_HANDLED; } +static int get_fw_info(struct ucsi_ccg *uc) +{ + int err; + + err = ccg_read(uc, CCGX_RAB_READ_ALL_VER, (u8 *)(&uc->version), + sizeof(uc->version)); + if (err < 0) + return err; + + err = ccg_read(uc, CCGX_RAB_DEVICE_MODE, (u8 *)(&uc->info), + sizeof(uc->info)); + if (err < 0) + return err; + + return 0; +} + static int ucsi_ccg_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -248,6 +304,12 @@ static int ucsi_ccg_probe(struct i2c_client *client, return status; } + status = get_fw_info(uc); + if (status < 0) { + dev_err(uc->dev, "get_fw_info failed - %d\n", status); + return status; + } + status = devm_request_threaded_irq(dev, client->irq, NULL, ccg_irq_handler, IRQF_ONESHOT | IRQF_TRIGGER_HIGH,