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=unavailable 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 AA522C433ED for ; Thu, 13 May 2021 11:02:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7B226613C2 for ; Thu, 13 May 2021 11:02:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233070AbhEMLDX (ORCPT ); Thu, 13 May 2021 07:03:23 -0400 Received: from mga02.intel.com ([134.134.136.20]:45133 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232320AbhEMLCQ (ORCPT ); Thu, 13 May 2021 07:02:16 -0400 IronPort-SDR: U/BXwl/hh83/5ILD+pjaeGMUsEV7+ipqZME6MVNivp3jEiNnLT37juvF5lUa1LY29Vt1Y0zdIP kGjpuapnRDzw== X-IronPort-AV: E=McAfee;i="6200,9189,9982"; a="187048276" X-IronPort-AV: E=Sophos;i="5.82,296,1613462400"; d="scan'208";a="187048276" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2021 04:01:02 -0700 IronPort-SDR: /jUSWvsBR/ZzeILd2CcLHSaBvVx/xVbYBpr+1Uzg4fYexL71YsjmEgCbWH5zRgUTpOmMuDcgzc twcaaXriCYpQ== X-IronPort-AV: E=Sophos;i="5.82,296,1613462400"; d="scan'208";a="625983828" 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; 13 May 2021 04:00:59 -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 v3 03/14] intel_gna: read hardware info in the driver Date: Thu, 13 May 2021 13:00:29 +0200 Message-Id: <20210513110040.2268-4-maciej.kwapulinski@linux.intel.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210513110040.2268-1-maciej.kwapulinski@linux.intel.com> References: <20210513110040.2268-1-maciej.kwapulinski@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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/device.c | 4 ++++ drivers/misc/intel/gna/device.h | 1 + drivers/misc/intel/gna/hw.h | 4 ++++ 3 files changed, 9 insertions(+) diff --git a/drivers/misc/intel/gna/device.c b/drivers/misc/intel/gna/device.c index 8722935d26bf..45b4b6df64ef 100644 --- a/drivers/misc/intel/gna/device.c +++ b/drivers/misc/intel/gna/device.c @@ -21,6 +21,7 @@ int gna_probe(struct device *parent, struct gna_dev_info *dev_info, void __iomem static atomic_t dev_last_idx = ATOMIC_INIT(-1); struct gna_private *gna_priv; const char *dev_misc_name; + u32 bld_reg; int ret; gna_priv = devm_kzalloc(parent, sizeof(*gna_priv), GFP_KERNEL); @@ -48,6 +49,9 @@ int gna_probe(struct device *parent, struct gna_dev_info *dev_info, void __iomem } } + bld_reg = gna_reg_read(gna_priv, GNA_MMIO_IBUFFS); + gna_priv->hw_info.in_buf_s = bld_reg & GENMASK(7, 0); + return 0; } diff --git a/drivers/misc/intel/gna/device.h b/drivers/misc/intel/gna/device.h index a188f482a273..057dec0e1983 100644 --- a/drivers/misc/intel/gna/device.h +++ b/drivers/misc/intel/gna/device.h @@ -24,6 +24,7 @@ struct gna_private { /* device related resources */ void __iomem *iobase; struct gna_dev_info info; + struct gna_hw_info hw_info; }; int gna_probe(struct device *parent, struct gna_dev_info *dev_info, void __iomem *iobase); diff --git a/drivers/misc/intel/gna/hw.h b/drivers/misc/intel/gna/hw.h index f9c0566cbe60..f61792f9dd52 100644 --- a/drivers/misc/intel/gna/hw.h +++ b/drivers/misc/intel/gna/hw.h @@ -47,6 +47,10 @@ struct gna_desc_info { struct gna_mmu_info mmu_info; }; +struct gna_hw_info { + u8 in_buf_s; +}; + struct gna_dev_info { u32 hwid; u32 num_pagetables; -- 2.28.0