From patchwork Tue Aug 18 02:41:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bard Liao X-Patchwork-Id: 11721283 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7A335109B for ; Tue, 18 Aug 2020 14:42:06 +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 0DB052076E for ; Tue, 18 Aug 2020 14:42:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="nPE9j18X" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0DB052076E 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 7093F1757; Tue, 18 Aug 2020 16:41:19 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 7093F1757 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1597761724; 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=nPE9j18XvAaC5RUYXXyY9C/9xLLfyNpEqHhhDgc+xYI7YKtSq2+fYaF/Ggc6lRWCe xZvocBGK3Pk4LSAVYRDGnoHMlRldPjBbe5vC9l+aNDFdG3Duf3cip2QYWqbvTZChHa SrR41MpLXs1qUOaDDyGqq+DvqKmUqnbM88+01eqQ= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 04703F80322; Tue, 18 Aug 2020 16:36:03 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id AD875F80328; Tue, 18 Aug 2020 16:36:01 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: * X-Spam-Status: No, score=1.1 required=5.0 tests=DATE_IN_PAST_06_12, SPF_HELO_NONE,SPF_NONE,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (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 2DADFF80307 for ; Tue, 18 Aug 2020 16:35:55 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 2DADFF80307 IronPort-SDR: uSLSEJbmjQPP0vba2nwOt8qBUk9CpKmC2PGmik4rofLtxnI/7HOpRLpXBA4Q2D6nkfJB516Lrv K44PyPsTTfsw== X-IronPort-AV: E=McAfee;i="6000,8403,9716"; a="219223587" X-IronPort-AV: E=Sophos;i="5.76,327,1592895600"; d="scan'208";a="219223587" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Aug 2020 07:35:54 -0700 IronPort-SDR: rZQzk4DF3+xAvZfsyWodrluSh4F2EA7HqkIff5aE6I1tvoej7gQmzrAw+wnYCYMOJ9IH7EKeXN k20Ozb9nFSWQ== X-IronPort-AV: E=Sophos;i="5.76,327,1592895600"; d="scan'208";a="471830766" Received: from bard-ubuntu.sh.intel.com ([10.239.13.33]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Aug 2020 07:35:50 -0700 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Subject: [PATCH 10/11] soundwire: intel: pass link_mask information to each master Date: Tue, 18 Aug 2020 10:41:19 +0800 Message-Id: <20200818024120.20721-11-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200818024120.20721-1-yung-chuan.liao@linux.intel.com> References: <20200818024120.20721-1-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));