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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F103C433EF for ; Thu, 14 Jul 2022 01:11:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231752AbiGNBK7 (ORCPT ); Wed, 13 Jul 2022 21:10:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50218 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231562AbiGNBKz (ORCPT ); Wed, 13 Jul 2022 21:10:55 -0400 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37ED8201A3 for ; Wed, 13 Jul 2022 18:10:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1657761055; x=1689297055; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=64zHAd0VO/In2o8u2a2F5KFDhUcSaQ7u0ws37chHb6o=; b=F4GNPwOdq/XrbfRZslMVkzlZ2+4mxPEUUGCG1BbCyPooMDKxCF+xh4jn nmxF2qOvyv2mqhVftCzXrrLB7dF/7o0zodSt3JMEDxdhWkApRalFieQbU uAkbU4E7AhXMvrNdo9yfneYlL/1FcEVfdfUjAjtHVwWAUCqjzx7c2oJ5Q LCnQtfEFFzynRYM1ajRcN8OOS0epmXoiw9st0EGG0uJ420s3hLT0G8f7N 3+Au9fWXz2ezv1NcCyEOjzg6ml97R4X2SPDOQGetxYCW5XRDhNDovVeur FKnHKJOF/TNZEHzYMGCW45Q+LaY9FS8/oskyIXa5jLMg9wAVgxvD9xKId Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10407"; a="282937916" X-IronPort-AV: E=Sophos;i="5.92,269,1650956400"; d="scan'208";a="282937916" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jul 2022 18:10:55 -0700 X-IronPort-AV: E=Sophos;i="5.92,269,1650956400"; d="scan'208";a="593192522" Received: from bard-ubuntu.sh.intel.com ([10.239.185.57]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jul 2022 18:10:52 -0700 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Cc: vinod.koul@linaro.org, linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org, pierre-louis.bossart@linux.intel.com, bard.liao@intel.com Subject: [PATCH 2/4] soundwire: intel/cadence: expose PING status in manager ops Date: Thu, 14 Jul 2022 09:10:41 +0800 Message-Id: <20220714011043.46059-3-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220714011043.46059-1-yung-chuan.liao@linux.intel.com> References: <20220714011043.46059-1-yung-chuan.liao@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Pierre-Louis Bossart Simple indirection to existing register. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Rander Wang Signed-off-by: Bard Liao --- drivers/soundwire/cadence_master.c | 8 ++++++++ drivers/soundwire/cadence_master.h | 2 ++ drivers/soundwire/intel.c | 1 + 3 files changed, 11 insertions(+) diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c index 4fbb19557f5e..615b0b63a3e1 100644 --- a/drivers/soundwire/cadence_master.c +++ b/drivers/soundwire/cadence_master.c @@ -756,6 +756,14 @@ cdns_reset_page_addr(struct sdw_bus *bus, unsigned int dev_num) } EXPORT_SYMBOL(cdns_reset_page_addr); +u32 cdns_read_ping_status(struct sdw_bus *bus) +{ + struct sdw_cdns *cdns = bus_to_cdns(bus); + + return cdns_readl(cdns, CDNS_MCP_SLAVE_STAT); +} +EXPORT_SYMBOL(cdns_read_ping_status); + /* * IRQ handling */ diff --git a/drivers/soundwire/cadence_master.h b/drivers/soundwire/cadence_master.h index 595d72c15d97..ca9e805bab88 100644 --- a/drivers/soundwire/cadence_master.h +++ b/drivers/soundwire/cadence_master.h @@ -177,6 +177,8 @@ enum sdw_command_response cdns_xfer_msg_defer(struct sdw_bus *bus, struct sdw_msg *msg, struct sdw_defer *defer); +u32 cdns_read_ping_status(struct sdw_bus *bus); + int cdns_bus_conf(struct sdw_bus *bus, struct sdw_bus_params *params); int cdns_set_sdw_stream(struct snd_soc_dai *dai, diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 25b27cd1be1d..e1e943396e36 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1255,6 +1255,7 @@ static struct sdw_master_ops sdw_intel_ops = { .set_bus_conf = cdns_bus_conf, .pre_bank_switch = intel_pre_bank_switch, .post_bank_switch = intel_post_bank_switch, + .read_ping_status = cdns_read_ping_status, }; static int intel_init(struct sdw_intel *sdw) -- 2.25.1