From patchwork Tue Sep 1 15:05:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Liao, Bard" X-Patchwork-Id: 291892 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=-11.5 required=3.0 tests=BAYES_00, DATE_IN_PAST_06_12, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, 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 DC230C433E2 for ; Wed, 2 Sep 2020 03:07:18 +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 63D3A2068F for ; Wed, 2 Sep 2020 03:07:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="fwnF71LK" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 63D3A2068F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com 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 EE649183C; Wed, 2 Sep 2020 05:06:26 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz EE649183C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1599016037; bh=bQ2O3tXRTtXgin0JBoVJcBbXpwywCmGbImHvQvRud6o=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=fwnF71LKLkvgrEIk5tj0L+tHZTLLjgEOJNXWv4CxT6wcF6xuw1LD06sen/p95Q/1O lPc5Vo8ZDX1eEeZ67ShcMCVS9MrLrtEbZrNQpHttW7rrBXAKaypiqz5wNaeYVTNyXR 2SrehesQoKmEGug4Rs/2X+sMDqpPSGPhV+bRSy94= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id C7ABDF80335; Wed, 2 Sep 2020 05:00:39 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 54C7EF802BC; Wed, 2 Sep 2020 05:00:19 +0200 (CEST) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id F2515F80276 for ; Wed, 2 Sep 2020 05:00:15 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz F2515F80276 IronPort-SDR: oEBEGtRLYP3rvJQm0g2bq7KhDUKpo2kpR8dmUuxf/o6Da026Xx/2MT9frv8UxW/rw56DAHo8Lv /C1jhVqfXf0A== X-IronPort-AV: E=McAfee;i="6000,8403,9731"; a="156570803" X-IronPort-AV: E=Sophos;i="5.76,381,1592895600"; d="scan'208";a="156570803" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2020 20:00:15 -0700 IronPort-SDR: 9lZj3htYvueS7CIfcd2HU7Kl1IO37BAJ9u3WUipgf473BJRT+7yMUvw+bKrIIY4Qyw+NjR5OEf C1wsU6uNjAnA== X-IronPort-AV: E=Sophos;i="5.76,381,1592895600"; d="scan'208";a="283588236" Received: from bard-ubuntu.sh.intel.com ([10.239.13.33]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2020 20:00:11 -0700 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Subject: [PATCH v2 09/10] soundwire: intel: pass link_mask information to each master Date: Tue, 1 Sep 2020 23:05:55 +0800 Message-Id: <20200901150556.19432-10-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200901150556.19432-1-yung-chuan.liao@linux.intel.com> References: <20200901150556.19432-1-yung-chuan.liao@linux.intel.com> Cc: pierre-louis.bossart@linux.intel.com, vinod.koul@linaro.org, tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, ranjani.sridharan@linux.intel.com, hui.wang@canonical.com, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, mengdong.lin@intel.com, sanyog.r.kale@intel.com, rander.wang@linux.intel.com, bard.liao@intel.com 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" From: Pierre-Louis Bossart While the hardware exposes independent bits to power-up each master, the recommended sequence is to power all links or none. Idle links can still use the clock stop mode while the master is powered. Signed-off-by: Pierre-Louis Bossart Signed-off-by: Bard Liao --- drivers/soundwire/intel.h | 2 ++ drivers/soundwire/intel_init.c | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/soundwire/intel.h b/drivers/soundwire/intel.h index 23daab9da329..76820d0b9deb 100644 --- a/drivers/soundwire/intel.h +++ b/drivers/soundwire/intel.h @@ -18,6 +18,7 @@ * @shim_lock: mutex to handle access to shared SHIM registers * @shim_mask: global pointer to check SHIM register initialization * @clock_stop_quirks: mask defining requested behavior on pm_suspend + * @link_mask: global mask needed for power-up/down sequences * @cdns: Cadence master descriptor * @list: used to walk-through all masters exposed by the same controller */ @@ -33,6 +34,7 @@ struct sdw_intel_link_res { struct mutex *shim_lock; /* protect shared registers */ u32 *shim_mask; u32 clock_stop_quirks; + u32 link_mask; struct sdw_cdns *cdns; struct list_head list; }; diff --git a/drivers/soundwire/intel_init.c b/drivers/soundwire/intel_init.c index add46d8fc85c..65d9b9bd2106 100644 --- a/drivers/soundwire/intel_init.c +++ b/drivers/soundwire/intel_init.c @@ -255,6 +255,7 @@ static struct sdw_intel_ctx link->clock_stop_quirks = res->clock_stop_quirks; link->shim_lock = &ctx->shim_lock; link->shim_mask = &ctx->shim_mask; + link->link_mask = link_mask; memset(&pdevinfo, 0, sizeof(pdevinfo));