From patchwork Fri Aug 28 07:20:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 251249 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=-13.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, 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 5F603C433E6 for ; Fri, 28 Aug 2020 07:23:59 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 DAD3820CC7 for ; Fri, 28 Aug 2020 07:23:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="qqwVrPIA"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="lmLvYEQV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DAD3820CC7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 737E31846; Fri, 28 Aug 2020 09:23:07 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 737E31846 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1598599437; bh=6Qm1pfoso/rr6pnXCaCWRsDhA+AiselS3GuGIfHOdxc=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=qqwVrPIARW0AcSYIU6AxOTfklyBdz12IuL4A62q77+AcY6bsbhqbaAhVEdO2+lE0F V/BQJGFm+LS7P1rzYsp6TbaySOr+qOABr0rbsxvQ46lou8R8UpwsCsS3+IRl2h1vQF 5q6mXjbO7gXnlYZ43bNj8aCa3c6GW2qKATtOue/Q= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id E0F9AF80118; Fri, 28 Aug 2020 09:21:35 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 11E3EF80105; Fri, 28 Aug 2020 09:21:28 +0200 (CEST) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id C8657F80118 for ; Fri, 28 Aug 2020 09:21:18 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz C8657F80118 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="lmLvYEQV" Received: from localhost.localdomain (unknown [122.171.38.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 58DA620DD4; Fri, 28 Aug 2020 07:21:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598599276; bh=6Qm1pfoso/rr6pnXCaCWRsDhA+AiselS3GuGIfHOdxc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lmLvYEQVF1Hh2UWK3S7Q4wLZjtD036nOV5n9sij+uZvpUKC1rDDluVz74f98V1J7H Z/YdX2VZbuF4zMNF13uJRT2w604wyGzoNz9OAVOzVCsyQI5QHGdxMa4cwsVFVLynLL CSUWA/BrDDcli+LQs20A7RXexK4aTmFWf3yWswd8= From: Vinod Koul To: alsa-devel@alsa-project.org Subject: [PATCH 1/9] soundwire: define and use addr bit masks Date: Fri, 28 Aug 2020 12:50:53 +0530 Message-Id: <20200828072101.3781956-2-vkoul@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200828072101.3781956-1-vkoul@kernel.org> References: <20200828072101.3781956-1-vkoul@kernel.org> MIME-Version: 1.0 Cc: Srinivas Kandagatla , Sanyog Kale , Bard Liao , Pierre-Louis Bossart , Vinod Koul X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Soundwire addr is a 52bit value encoding link, version, unique id, mfg id, part id and class id. Define bit masks for these and use FIELD_GET() to extract these fields. Signed-off-by: Vinod Koul --- include/linux/soundwire/sdw.h | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index 76052f12c9f7..c7462c333480 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -5,6 +5,7 @@ #define __SOUNDWIRE_H #include +#include struct sdw_bus; struct sdw_slave; @@ -455,13 +456,19 @@ struct sdw_slave_id { * * The MIPI DisCo for SoundWire defines in addition the link_id as bits 51:48 */ - -#define SDW_DISCO_LINK_ID(adr) (((adr) >> 48) & GENMASK(3, 0)) -#define SDW_VERSION(adr) (((adr) >> 44) & GENMASK(3, 0)) -#define SDW_UNIQUE_ID(adr) (((adr) >> 40) & GENMASK(3, 0)) -#define SDW_MFG_ID(adr) (((adr) >> 24) & GENMASK(15, 0)) -#define SDW_PART_ID(adr) (((adr) >> 8) & GENMASK(15, 0)) -#define SDW_CLASS_ID(adr) ((adr) & GENMASK(7, 0)) +#define SDW_DISCO_LINK_ID_MASK GENMASK(51, 48) +#define SDW_VERSION_MASK GENMASK(47, 44) +#define SDW_UNIQUE_ID_MASK GENMASK(43, 40) +#define SDW_MFG_ID_MASK GENMASK(39, 24) +#define SDW_PART_ID_MASK GENMASK(23, 8) +#define SDW_CLASS_ID_MASK GENMASK(7, 0) + +#define SDW_DISCO_LINK_ID(adr) FIELD_GET(SDW_DISCO_LINK_ID_MASK, addr) +#define SDW_VERSION(adr) FIELD_GET(SDW_VERSION_MASK, addr) +#define SDW_UNIQUE_ID(adr) FIELD_GET(SDW_UNIQUE_ID_MASK, addr) +#define SDW_MFG_ID(adr) FIELD_GET(SDW_MFG_ID_MASK, addr) +#define SDW_PART_ID(adr) FIELD_GET(SDW_PART_ID_MASK, addr) +#define SDW_CLASS_ID(adr) FIELD_GET(SDW_CLASS_ID_MASK, addr) /** * struct sdw_slave_intr_status - Slave interrupt status