From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6E742C433DB for ; Wed, 24 Mar 2021 18:39:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2DC7661A17 for ; Wed, 24 Mar 2021 18:39:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237696AbhCXSiz (ORCPT ); Wed, 24 Mar 2021 14:38:55 -0400 Received: from mga09.intel.com ([134.134.136.24]:17716 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237621AbhCXSiX (ORCPT ); Wed, 24 Mar 2021 14:38:23 -0400 IronPort-SDR: L5Hej4U88qeN2o+k3/PwoFkt6hRvB1W/ErgknWO28eV+eU5DCPz1c4m4GvovPGHWyX4WA0+3na 8tGn++UYFHFA== X-IronPort-AV: E=McAfee;i="6000,8403,9933"; a="190859498" X-IronPort-AV: E=Sophos;i="5.81,275,1610438400"; d="scan'208";a="190859498" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2021 11:38:23 -0700 IronPort-SDR: O9ibH8UfLSiHH4aEcHqHG84z89xw9HcF23fAouehVmhqNVfv/NwpE5EyXHJYptfVU5cz5o7aJs xtkqqFa0N8CA== X-IronPort-AV: E=Sophos;i="5.81,275,1610438400"; d="scan'208";a="608203762" Received: from gna-dev.igk.intel.com ([10.102.80.34]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2021 11:38:20 -0700 From: Maciej Kwapulinski To: Greg Kroah-Hartman , Arnd Bergmann , Jonathan Corbet , Derek Kiernan , Dragan Cvetic , Andy Shevchenko Cc: linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Maciej Kwapulinski , Tomasz Jankowski , Savo Novakovic , Jianxun Zhang Subject: [PATCH v2 03/13] intel_gna: read hardware info in the driver Date: Wed, 24 Mar 2021 19:36:00 +0100 Message-Id: <20210324183610.4574-4-maciej.kwapulinski@linux.intel.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210324183610.4574-1-maciej.kwapulinski@linux.intel.com> References: <20210324183610.4574-1-maciej.kwapulinski@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org From: Tomasz Jankowski Get the hardware information from register MMIO_IBUFFS Signed-off-by: Tomasz Jankowski Tested-by: Savo Novakovic Co-developed-by: Jianxun Zhang Signed-off-by: Jianxun Zhang Co-developed-by: Maciej Kwapulinski Signed-off-by: Maciej Kwapulinski --- drivers/misc/intel/gna/gna_device.c | 5 +++++ drivers/misc/intel/gna/gna_device.h | 5 +++++ 2 files changed, 10 insertions(+) diff --git a/drivers/misc/intel/gna/gna_device.c b/drivers/misc/intel/gna/gna_device.c index 431113297879..6bac481b2247 100644 --- a/drivers/misc/intel/gna/gna_device.c +++ b/drivers/misc/intel/gna/gna_device.c @@ -12,12 +12,17 @@ static void gna_dev_init(struct gna_private *gna_priv, struct pci_dev *pcidev, const struct pci_device_id *pci_id) { + u32 bld_reg; + pci_set_drvdata(pcidev, gna_priv); gna_priv->parent = &pcidev->dev; gna_priv->pdev = pcidev; gna_priv->info = *(struct gna_drv_info *)pci_id->driver_data; gna_priv->drv_priv = &gna_drv_priv; + + bld_reg = gna_reg_read(gna_priv->bar0_base, GNA_MMIO_IBUFFS); + gna_priv->hw_info.in_buf_s = bld_reg & GENMASK(7, 0); } int gna_probe(struct pci_dev *pcidev, const struct pci_device_id *pci_id) diff --git a/drivers/misc/intel/gna/gna_device.h b/drivers/misc/intel/gna/gna_device.h index 39dc03d53feb..7704eeda90f6 100644 --- a/drivers/misc/intel/gna/gna_device.h +++ b/drivers/misc/intel/gna/gna_device.h @@ -23,6 +23,10 @@ struct gna_drv_info { struct gna_desc_info desc_info; }; +struct gna_hw_info { + u8 in_buf_s; +}; + struct gna_private { struct gna_driver_private *drv_priv; @@ -33,6 +37,7 @@ struct gna_private { /* device related resources */ void __iomem *bar0_base; struct gna_drv_info info; + struct gna_hw_info hw_info; }; int gna_probe(struct pci_dev *dev, const struct pci_device_id *id); -- 2.28.0