From patchwork Tue Apr 13 10:57:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugen Hristev X-Patchwork-Id: 12200185 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,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 18B2DC433ED for ; Tue, 13 Apr 2021 11:13:52 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 952A8613A9 for ; Tue, 13 Apr 2021 11:13:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 952A8613A9 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=microchip.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+secbD7WxN6xQXD+tl93/8y8IY89+HD/oOkjEQO/tY0=; b=CxGncI8KW4FIuTdyXRyqOQbYe OSaiKoebgitozImlrUKVNuRXTUTLIJvwuOwU36YX3ya4M5yHQd+tw0Rjth42kkbn6Fmp6vnk5QxVl /BVMNxnYp0OytKgK5uvxMh4GTWmxNUcf3x96dCQC8o+xsdPZBmAx3f2HvFwEC9+f3UmINcp8fS9XV 0rFocHLGomzWzDwSMFVmXC/kHCiy1K6HhOkMJ5f45x6RlupIbuQwVODC9/8GQJMbaqyJ/g4QcTMPt LcJzmoSQ72/nOCuSFd1AMDmGtk559tgZodiHZGiG8OoTJB9WYAOzA4fP/RQNsKyrkJcG5SmzDYEAs Lnab6MVVA==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lWGwY-008yMP-5N; Tue, 13 Apr 2021 11:10:54 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lWGo3-008wYI-QE for linux-arm-kernel@desiato.infradead.org; Tue, 13 Apr 2021 11:02:08 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Sender:Reply-To:Content-ID:Content-Description; bh=BSvjtuoWhLNCGUFHLAU7iB4lwTZf/WAYVJsVv1u69ik=; b=cQELEXCqbPE19UDPn+dOE9CIHP fyGFLnHlql/V5lLKmO7YPc2pAlYQbcAZejPtWTaLhtpkqPEA//TG6SlpTyNTPB7toC27MmPqTCcK0 B0pCjco2FSBeLDBb2nUaEVqDa6HZm9R1XI3uizeH+KZ5syMGSezXwske1ZEY7Or3KxeZDiNQLkQVI oDJHNO50DoC4LvNtUg4wb3JSGvDNkHz9a77vK7V20XQO6W2ahPb4VHN6vPhY9T/FfDpZYXpxNC5pA FxzI9bxj7TqruJG4lNJfo7ai4WYIqCqNleT2xzwHWnZYnAbQ9wZGJPkuZELyucvgG8/tDyTA2iFXm CYgx6bvw==; Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lWGo1-006woj-89 for linux-arm-kernel@lists.infradead.org; Tue, 13 Apr 2021 11:02:06 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1618311724; x=1649847724; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Nz2K1lpqGeTsaJJ5/JbHz6dYZwbhFbuGCzjN9yCEQnw=; b=19gGGBV+PhSG28/4jBzVVMnS2CNxAWih/ibn6U+SlT5CwqHvQ0Lc93TO BuDB4axhbOnFmqC05Do9bFOTv8V5bvIdvgfZ3aupaO22u+MTo5Pg09JNf f1jy3ClxhxwQ0Oq3tkhW1l1HaZ76HpDMbdkT8zCQoumuOoHfuOJtaJ2gt VUNMR/4S/Qg3uX47Kn1j3X08WEA+3+Pj/V1L3AsMdMUA1UpDE05kEsp6+ EGEFbYsjzBCQ+V7uivgpkp/W8VqH7hGurEWkXbujtSvebDHK/JkdT4sQB KGIg0zI6UZzNpu8wdNSzjulD62t44+joI+/H5lJ/+k+APO2R9zBzPv26B g==; IronPort-SDR: EPuOzF0yQ2YYc27r1O6hfq0/Wfo//ETyH1taHodGr1n1g9qHVGpM6GdK6frFF+Ng0binB08XNO 4TfRNI6lC9IP5PfVdwFoxbMQL5Bq6p/bMiHzIym7ToP1OpQHHJbh+vmSe40VNfcnW+ZNJYd1n7 M7qjZduV1p23/h/kbvZXsDauwg409bQWUg8X0d5Bi1nfy3ARdfHzPEvBvXVZr+crVakEpNC7EX +OKsiopxvopOxWVHZr0OYkAlAd9HUQgynDWoNVKq7gSFozNoks3D/6EnmEVa2/cEchqBx29STk 0sY= X-IronPort-AV: E=Sophos;i="5.82,219,1613458800"; d="scan'208";a="110611976" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 13 Apr 2021 04:02:04 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Tue, 13 Apr 2021 04:02:04 -0700 Received: from ROB-ULT-M18282.microchip.com (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2176.2 via Frontend Transport; Tue, 13 Apr 2021 04:02:00 -0700 From: Eugen Hristev To: , , , CC: , , Eugen Hristev Subject: [PATCH v3 15/33] media: atmel: atmel-isc: add support for version register Date: Tue, 13 Apr 2021 13:57:13 +0300 Message-ID: <20210413105731.610028-16-eugen.hristev@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210413105731.610028-1-eugen.hristev@microchip.com> References: <20210413105731.610028-1-eugen.hristev@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210413_040205_372542_DBDFC730 X-CRM114-Status: GOOD ( 12.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support for version register and print it at probe time. Signed-off-by: Eugen Hristev --- drivers/media/platform/atmel/atmel-isc-regs.h | 5 +++++ drivers/media/platform/atmel/atmel-isc.h | 2 ++ drivers/media/platform/atmel/atmel-sama5d2-isc.c | 5 +++++ 3 files changed, 12 insertions(+) diff --git a/drivers/media/platform/atmel/atmel-isc-regs.h b/drivers/media/platform/atmel/atmel-isc-regs.h index 4940998c82a2..344668dcfcf4 100644 --- a/drivers/media/platform/atmel/atmel-isc-regs.h +++ b/drivers/media/platform/atmel/atmel-isc-regs.h @@ -295,6 +295,11 @@ /* DMA Address 2 Register */ #define ISC_DAD2 0x000003fc +/* Offset for version register specific to sama5d2 product */ +#define ISC_SAMA5D2_VERSION_OFFSET 0 +/* Version Register */ +#define ISC_VERSION 0x0000040c + /* Histogram Entry */ #define ISC_HIS_ENTRY 0x00000410 diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h index 52a9199d65ee..676a5be1ee8c 100644 --- a/drivers/media/platform/atmel/atmel-isc.h +++ b/drivers/media/platform/atmel/atmel-isc.h @@ -153,6 +153,7 @@ struct isc_ctrls { * @rlp: Offset for the RLP register * @his: Offset for the HIS related registers * @dma: Offset for the DMA related registers + * @version: Offset for the version register */ struct isc_reg_offsets { u32 csc; @@ -162,6 +163,7 @@ struct isc_reg_offsets { u32 rlp; u32 his; u32 dma; + u32 version; }; /* diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c index 12f56a71db40..10b70d4b04c4 100644 --- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c +++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c @@ -192,6 +192,7 @@ static int atmel_isc_probe(struct platform_device *pdev) struct isc_subdev_entity *subdev_entity; int irq; int ret; + u32 ver; isc = devm_kzalloc(dev, sizeof(*isc), GFP_KERNEL); if (!isc) @@ -240,6 +241,7 @@ static int atmel_isc_probe(struct platform_device *pdev) isc->offsets.rlp = ISC_SAMA5D2_RLP_OFFSET; isc->offsets.his = ISC_SAMA5D2_HIS_OFFSET; isc->offsets.dma = ISC_SAMA5D2_DMA_OFFSET; + isc->offsets.version = ISC_SAMA5D2_VERSION_OFFSET; /* sama5d2-isc - 8 bits per beat */ isc->dcfg = ISC_DCFG_YMBSIZE_BEATS8 | ISC_DCFG_CMBSIZE_BEATS8; @@ -335,6 +337,9 @@ static int atmel_isc_probe(struct platform_device *pdev) pm_runtime_enable(dev); pm_request_idle(dev); + regmap_read(isc->regmap, ISC_VERSION + isc->offsets.version, &ver); + dev_info(dev, "Microchip ISC version %x\n", ver); + return 0; cleanup_subdev: