From patchwork Thu Jun 1 15:47:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Fitzgerald X-Patchwork-Id: 688273 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 CBCFBC7EE23 for ; Thu, 1 Jun 2023 15:51:12 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id BE9BA82C; Thu, 1 Jun 2023 17:50:20 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz BE9BA82C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1685634670; bh=moK5e4bfKuvbWIKCxqCnAKXWulDDEb4SfkpyjDKd0os=; h=From:To:CC:Subject:Date:In-Reply-To:References:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=j9Vsfw/UfX7KCbRjRI4HIEpf13gwyphMIWggtn3fx/Hsym42wTcesJ5PcW85CEpIG zc2gtXey+iiAqSn18Px62h14kqpEw3Yo3622Sz9yNt4CZTR/HYEEy4bqc/L1bcu5fF +6lZmVKADIVQe/42aRbzuZ2ZndnJ7EObYEAmo/XE= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 3C557F805E4; Thu, 1 Jun 2023 17:48:13 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id B8855F805E6; Thu, 1 Jun 2023 17:48:12 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 27C9FF8057E; Thu, 1 Jun 2023 17:47:52 +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 7302EF80149 for ; Thu, 1 Jun 2023 17:47:39 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 7302EF80149 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=cirrus.com header.i=@cirrus.com header.a=rsa-sha256 header.s=PODMain02222019 header.b=S0YdhEIN Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 351CPISZ014930; Thu, 1 Jun 2023 10:47:37 -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=ZtRVanoa2UL9fx2mOjgnx7Kor2SKPiAisybX4sOubCs=; b=S0YdhEINQttRsPR0Nq/Ygs4gC6mlo5XSRL/wzAPPlHqFSwv0UVQA0RCXLUPgRwIWGMF/ OeZBV5crmUSx2/SHWSXFdpsW2CPZGHloxV7UBbiVZwW7SBMlh+yVmbC59HXOPPh7d8fB u62+R8Uz5+LP4eNOAhdAl+Iz11V5pWYmrc6XhUPIdxwIP+2GmXRQ0ZP0EBih29aMWqkh kptjGvkdr8c2b2txofK/iwpb75184ai8j6m9EgfI5J0LjQj1QAv/iH4NOB+oSGzpMtEs FqhQ9aIO5rc/9mIaMDRh9TPc4bFxyazxwnff/mezOoLv4F1SohQ70if+6X9syNyP0+su JA== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3quf90x42d-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 01 Jun 2023 10:47:37 -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_256_GCM_SHA384) id 15.2.1118.26; Thu, 1 Jun 2023 16:47:31 +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 15.2.1118.26 via Frontend Transport; Thu, 1 Jun 2023 16:47:31 +0100 Received: from edi-sw-dsktp-006.ad.cirrus.com (edi-sw-dsktp-006.ad.cirrus.com [198.90.251.127]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id BC87E15A4; Thu, 1 Jun 2023 15:47:31 +0000 (UTC) From: Richard Fitzgerald To: , , CC: , , , Simon Trimmer , Richard Fitzgerald Subject: [PATCH v4 08/12] ASoC: cs35l56: Make common function for control port wait Date: Thu, 1 Jun 2023 16:47:27 +0100 Message-ID: <20230601154731.3210572-9-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230601154731.3210572-1-rf@opensource.cirrus.com> References: <20230601154731.3210572-1-rf@opensource.cirrus.com> MIME-Version: 1.0 X-Proofpoint-GUID: ZVmxJV_NsmlLJqlBjs1oeVwctAu3N39e X-Proofpoint-ORIG-GUID: ZVmxJV_NsmlLJqlBjs1oeVwctAu3N39e X-Proofpoint-Spam-Reason: safe Message-ID-Hash: HXG4ID4KIP36PVYGDZVZYHELAZMKY6VC X-Message-ID-Hash: HXG4ID4KIP36PVYGDZVZYHELAZMKY6VC X-MailFrom: prvs=151698faa0=rf@opensource.cirrus.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Simon Trimmer Move the waits for CS35L56_CONTROL_PORT_READY_US into a common function, and also allow a wider range of allowed wait times. Signed-off-by: Simon Trimmer Signed-off-by: Richard Fitzgerald Acked-by: Mark Brown --- include/sound/cs35l56.h | 1 + sound/soc/codecs/cs35l56-shared.c | 16 ++++++++++------ 2 files changed, 11 insertions(+), 6 deletions(-) diff --git a/include/sound/cs35l56.h b/include/sound/cs35l56.h index 489a61f84325..ae9e8f55962a 100644 --- a/include/sound/cs35l56.h +++ b/include/sound/cs35l56.h @@ -275,6 +275,7 @@ extern const unsigned int cs35l56_tx_input_values[CS35L56_NUM_INPUT_SRC]; void cs35l56_reread_firmware_registers(struct cs35l56_base *cs35l56_base); int cs35l56_mbox_send(struct cs35l56_base *cs35l56_base, unsigned int command); int cs35l56_wait_for_firmware_boot(struct cs35l56_base *cs35l56_base); +void cs35l56_wait_control_port_ready(void); void cs35l56_wait_min_reset_pulse(void); void cs35l56_system_reset(struct cs35l56_base *cs35l56_base, bool is_soundwire); int cs35l56_irq_request(struct cs35l56_base *cs35l56_base, int irq); diff --git a/sound/soc/codecs/cs35l56-shared.c b/sound/soc/codecs/cs35l56-shared.c index e3b935bd9037..7e02d023338c 100644 --- a/sound/soc/codecs/cs35l56-shared.c +++ b/sound/soc/codecs/cs35l56-shared.c @@ -249,6 +249,13 @@ int cs35l56_wait_for_firmware_boot(struct cs35l56_base *cs35l56_base) } EXPORT_SYMBOL_NS_GPL(cs35l56_wait_for_firmware_boot, SND_SOC_CS35L56_SHARED); +void cs35l56_wait_control_port_ready(void) +{ + /* Wait for control port to be ready (datasheet tIRS). */ + usleep_range(CS35L56_CONTROL_PORT_READY_US, 2 * CS35L56_CONTROL_PORT_READY_US); +} +EXPORT_SYMBOL_NS_GPL(cs35l56_wait_control_port_ready, SND_SOC_CS35L56_SHARED); + void cs35l56_wait_min_reset_pulse(void) { /* Satisfy minimum reset pulse width spec */ @@ -275,7 +282,7 @@ void cs35l56_system_reset(struct cs35l56_base *cs35l56_base, bool is_soundwire) if (is_soundwire) return; - usleep_range(CS35L56_CONTROL_PORT_READY_US, CS35L56_CONTROL_PORT_READY_US + 400); + cs35l56_wait_control_port_ready(); regcache_cache_only(cs35l56_base->regmap, false); } EXPORT_SYMBOL_NS_GPL(cs35l56_system_reset, SND_SOC_CS35L56_SHARED); @@ -486,8 +493,7 @@ int cs35l56_runtime_resume_common(struct cs35l56_base *cs35l56_base, bool is_sou cs35l56_hibernate_wake_seq, ARRAY_SIZE(cs35l56_hibernate_wake_seq)); - usleep_range(CS35L56_CONTROL_PORT_READY_US, - CS35L56_CONTROL_PORT_READY_US + 400); + cs35l56_wait_control_port_ready(); } out_sync: @@ -561,9 +567,7 @@ int cs35l56_hw_init(struct cs35l56_base *cs35l56_base) if (!cs35l56_base->reset_gpio) regmap_read(cs35l56_base->regmap, CS35L56_DSP_VIRTUAL1_MBOX_1, &devid); - /* Wait for control port to be ready (datasheet tIRS). */ - usleep_range(CS35L56_CONTROL_PORT_READY_US, - CS35L56_CONTROL_PORT_READY_US + 400); + cs35l56_wait_control_port_ready(); /* * The HALO_STATE register is in different locations on Ax and B0