From patchwork Mon May 9 21:46:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vitaly Rodionov X-Patchwork-Id: 12844118 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 46B99C433EF for ; Mon, 9 May 2022 21:54:58 +0000 (UTC) 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 7135C188B; Mon, 9 May 2022 23:54:06 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 7135C188B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1652133296; bh=WByTLJK8eEZt/36exvIGie5BV5/WiGAaOF8dOo2Krvo=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=Up8rRzlNeQWD0oxc060l96D3EPfFweGMUOw58vZLxLVXNfk7CjqSyLf0iWnEBlq+4 eOWxzrhVVUkAQE4Bt+zcwxXFGnLuivF+HjhupfqASGjP9eS1OP5aC7k3r3xAHaK2iS 5FnZ2iQWm8vz+JtuVarBsuMzLGpg/wtFZTMhm2+w= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 69C5EF805E7; Mon, 9 May 2022 23:47:51 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id D4FA1F805B4; Mon, 9 May 2022 23:47:44 +0200 (CEST) Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) (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 2424BF80529 for ; Mon, 9 May 2022 23:47:16 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 2424BF80529 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=cirrus.com header.i=@cirrus.com header.b="Ydn/MApz" Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 249Bt3ZE026043; Mon, 9 May 2022 16:47:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=PODMain02222019; bh=AeTi/0ntakaOsDizqbK3Yl89HyXJuFjIDJN3l+/qPNA=; b=Ydn/MApzjKqSZ71jk6u8N3mg4PWLf5kDFcHSHNXATlhydN4pZRDyG9A7PvDxJP+jqqv3 waZ1uNhoKnQKeRHFgRZaYQf5uV2OgCLex/5+VqWQ8C/+XuFAeCpR3ezftYbpWSXvSFWV rxBB933s8TaPQ6T7umLaxbsOdkDwTUnjX1F4p2SY5aNOqegniPC2DXDI7bm4nCOdeeko NnZnvaMbslN0skr5ZAmcHfgdOrIVS7b7SmJdeN6m+Kem7xtTrvKwUOm0gxPSqQnUFwg0 1Zhm1RmJhIk2tfmcQTNhcMRuE7kFLEAV5qpBi1mzO8SOVeV3NuGzXuu18ZQD+sdp+Zph KQ== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3fwp613jeu-6 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Mon, 09 May 2022 16:47:15 -0500 Received: from EDIEX01.ad.cirrus.com (198.61.84.80) by EDIEX01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 9 May 2022 22:47:11 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by EDIEX01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.1.2375.24 via Frontend Transport; Mon, 9 May 2022 22:47:11 +0100 Received: from vitaly-Legion-7-16ACHg6.ad.cirrus.com (unknown [198.90.238.55]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 26454B10; Mon, 9 May 2022 21:47:11 +0000 (UTC) From: Vitaly Rodionov To: Jaroslav Kysela , Takashi Iwai , Mark Brown Subject: [PATCH v2 18/26] ASoC: cs35l41: Move cs35l41 exit hibernate function into shared code Date: Mon, 9 May 2022 22:46:55 +0100 Message-ID: <20220509214703.4482-19-vitalyr@opensource.cirrus.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220509214703.4482-1-vitalyr@opensource.cirrus.com> References: <20220509214703.4482-1-vitalyr@opensource.cirrus.com> MIME-Version: 1.0 X-Proofpoint-GUID: 66GmFrRYn5ULHTQsapDPdxi-g3jxnkxf X-Proofpoint-ORIG-GUID: 66GmFrRYn5ULHTQsapDPdxi-g3jxnkxf X-Proofpoint-Spam-Reason: safe Cc: patches@opensource.cirrus.com, alsa-devel@alsa-project.org, Charles Keepax , linux-kernel@vger.kernel.org, Stefan Binding 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: Stefan Binding CS35L41 HDA Driver will support hibernation using DSP firmware, move the exit hibernate function into shared code so this can be reused. Acked-by: Charles Keepax Signed-off-by: Stefan Binding Signed-off-by: Vitaly Rodionov --- include/sound/cs35l41.h | 1 + sound/soc/codecs/cs35l41-lib.c | 60 +++++++++++++++++++++++++++++++++ sound/soc/codecs/cs35l41.c | 61 +--------------------------------- 3 files changed, 62 insertions(+), 60 deletions(-) diff --git a/include/sound/cs35l41.h b/include/sound/cs35l41.h index 8887087815a7..f848ba1e75b3 100644 --- a/include/sound/cs35l41.h +++ b/include/sound/cs35l41.h @@ -885,6 +885,7 @@ void cs35l41_configure_cs_dsp(struct device *dev, struct regmap *reg, struct cs_ int cs35l41_set_cspl_mbox_cmd(struct device *dev, struct regmap *regmap, enum cs35l41_cspl_mbox_cmd cmd); int cs35l41_write_fs_errata(struct device *dev, struct regmap *regmap); +int cs35l41_exit_hibernate(struct device *dev, struct regmap *regmap); int cs35l41_init_boost(struct device *dev, struct regmap *regmap, struct cs35l41_hw_cfg *hw_cfg); bool cs35l41_safe_reset(struct regmap *regmap, enum cs35l41_boost_type b_type); diff --git a/sound/soc/codecs/cs35l41-lib.c b/sound/soc/codecs/cs35l41-lib.c index 6d3070ea9e06..cc5366c8bdd6 100644 --- a/sound/soc/codecs/cs35l41-lib.c +++ b/sound/soc/codecs/cs35l41-lib.c @@ -1321,6 +1321,66 @@ int cs35l41_write_fs_errata(struct device *dev, struct regmap *regmap) } EXPORT_SYMBOL_GPL(cs35l41_write_fs_errata); +static void cs35l41_wait_for_pwrmgt_sts(struct device *dev, struct regmap *regmap) +{ + const int pwrmgt_retries = 10; + unsigned int sts; + int i, ret; + + for (i = 0; i < pwrmgt_retries; i++) { + ret = regmap_read(regmap, CS35L41_PWRMGT_STS, &sts); + if (ret) + dev_err(dev, "Failed to read PWRMGT_STS: %d\n", ret); + else if (!(sts & CS35L41_WR_PEND_STS_MASK)) + return; + + udelay(20); + } + + dev_err(dev, "Timed out reading PWRMGT_STS\n"); +} + +int cs35l41_exit_hibernate(struct device *dev, struct regmap *regmap) +{ + const int wake_retries = 20; + const int sleep_retries = 5; + int ret, i, j; + + for (i = 0; i < sleep_retries; i++) { + dev_dbg(dev, "Exit hibernate\n"); + + for (j = 0; j < wake_retries; j++) { + ret = cs35l41_set_cspl_mbox_cmd(dev, regmap, + CSPL_MBOX_CMD_OUT_OF_HIBERNATE); + if (!ret) + break; + + usleep_range(100, 200); + } + + if (j < wake_retries) { + dev_dbg(dev, "Wake success at cycle: %d\n", j); + return 0; + } + + dev_err(dev, "Wake failed, re-enter hibernate: %d\n", ret); + + cs35l41_wait_for_pwrmgt_sts(dev, regmap); + regmap_write(regmap, CS35L41_WAKESRC_CTL, 0x0088); + + cs35l41_wait_for_pwrmgt_sts(dev, regmap); + regmap_write(regmap, CS35L41_WAKESRC_CTL, 0x0188); + + cs35l41_wait_for_pwrmgt_sts(dev, regmap); + regmap_write(regmap, CS35L41_PWRMGT_CTL, 0x3); + } + + dev_err(dev, "Timed out waking device\n"); + + return -ETIMEDOUT; +} +EXPORT_SYMBOL_GPL(cs35l41_exit_hibernate); + MODULE_DESCRIPTION("CS35L41 library"); MODULE_AUTHOR("David Rhodes, Cirrus Logic Inc, "); MODULE_AUTHOR("Lucas Tanure, Cirrus Logic Inc, "); diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c index 5f0eca229dd3..0400c6e091d5 100644 --- a/sound/soc/codecs/cs35l41.c +++ b/sound/soc/codecs/cs35l41.c @@ -1349,65 +1349,6 @@ static int __maybe_unused cs35l41_runtime_suspend(struct device *dev) return 0; } -static void cs35l41_wait_for_pwrmgt_sts(struct cs35l41_private *cs35l41) -{ - const int pwrmgt_retries = 10; - unsigned int sts; - int i, ret; - - for (i = 0; i < pwrmgt_retries; i++) { - ret = regmap_read(cs35l41->regmap, CS35L41_PWRMGT_STS, &sts); - if (ret) - dev_err(cs35l41->dev, "Failed to read PWRMGT_STS: %d\n", ret); - else if (!(sts & CS35L41_WR_PEND_STS_MASK)) - return; - - udelay(20); - } - - dev_err(cs35l41->dev, "Timed out reading PWRMGT_STS\n"); -} - -static int cs35l41_exit_hibernate(struct cs35l41_private *cs35l41) -{ - const int wake_retries = 20; - const int sleep_retries = 5; - int ret, i, j; - - for (i = 0; i < sleep_retries; i++) { - dev_dbg(cs35l41->dev, "Exit hibernate\n"); - - for (j = 0; j < wake_retries; j++) { - ret = cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap, - CSPL_MBOX_CMD_OUT_OF_HIBERNATE); - if (!ret) - break; - - usleep_range(100, 200); - } - - if (j < wake_retries) { - dev_dbg(cs35l41->dev, "Wake success at cycle: %d\n", j); - return 0; - } - - dev_err(cs35l41->dev, "Wake failed, re-enter hibernate: %d\n", ret); - - cs35l41_wait_for_pwrmgt_sts(cs35l41); - regmap_write(cs35l41->regmap, CS35L41_WAKESRC_CTL, 0x0088); - - cs35l41_wait_for_pwrmgt_sts(cs35l41); - regmap_write(cs35l41->regmap, CS35L41_WAKESRC_CTL, 0x0188); - - cs35l41_wait_for_pwrmgt_sts(cs35l41); - regmap_write(cs35l41->regmap, CS35L41_PWRMGT_CTL, 0x3); - } - - dev_err(cs35l41->dev, "Timed out waking device\n"); - - return -ETIMEDOUT; -} - static int __maybe_unused cs35l41_runtime_resume(struct device *dev) { struct cs35l41_private *cs35l41 = dev_get_drvdata(dev); @@ -1420,7 +1361,7 @@ static int __maybe_unused cs35l41_runtime_resume(struct device *dev) regcache_cache_only(cs35l41->regmap, false); - ret = cs35l41_exit_hibernate(cs35l41); + ret = cs35l41_exit_hibernate(cs35l41->dev, cs35l41->regmap); if (ret) return ret;