From nobody Mon Sep 16 19:57:31 2024 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 891D8C7EE23 for ; Fri, 26 May 2023 12:29:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243565AbjEZM3s (ORCPT ); Fri, 26 May 2023 08:29:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59216 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243346AbjEZM3T (ORCPT ); Fri, 26 May 2023 08:29:19 -0400 Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F7561AC for ; Fri, 26 May 2023 05:29:15 -0700 (PDT) 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 34QC7FGx007721; Fri, 26 May 2023 07:29:00 -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=WNpNSqwCWkeBgvDE9x0bIc8fdAFnPwg9OFgmJ92nuHM=; b=fP5jaK2CBdggXPMYUBEpaRE3LYLCVUIfPhSpzYG004lv8BZjDJ7yIPYkDE6PYKt3Ba8Z mT7eXHOGzzNgQBbBMxaeXLAI/lCvNthjkvkHPjqFuKrEXr0AXF+Le6DIGj20cXepT5VO K6+59TtMfoeAaFhhRBNrxDKSr4v53f5H82yTi83rimO4owmJ/k9MlESFKeJEl2fxjIEw 4jMXLiohtcKIWkAg8dnq4qYnhpqOw9LFDv4Tv9NYbIUXCNDxCxZ61Ovpp4qshv8UP/sk pD3naSSndtK6ciNIg7tmAYGsxApCYr7noXSTV3NfuEoXaJtRgJuOAQgHBprk7+8uoFuD Yw== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3qsde8k66v-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 26 May 2023 07:29:00 -0500 Received: from ediex02.ad.cirrus.com (198.61.84.81) 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; Fri, 26 May 2023 07:28:57 -0500 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by anon-ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 26 May 2023 07:28:57 -0500 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.65.166]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 24DE8B38; Fri, 26 May 2023 12:28:57 +0000 (UTC) From: Richard Fitzgerald To: , , CC: , , , Richard Fitzgerald Subject: [PATCH v3 07/12] ASoC: cs35l56: Move part of cs35l56_init() to shared library Date: Fri, 26 May 2023 13:28:47 +0100 Message-ID: <20230526122852.4552-8-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230526122852.4552-1-rf@opensource.cirrus.com> References: <20230526122852.4552-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: bMluVOYX02W7pBtylERTNH8q2EHaYEJH X-Proofpoint-GUID: bMluVOYX02W7pBtylERTNH8q2EHaYEJH X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Part of the initialization code in cs35l56_init() can be re-used by the HDA driver so move it into a new function in the shared library. Signed-off-by: Richard Fitzgerald Acked-by: Mark Brown --- include/sound/cs35l56.h | 1 + sound/soc/codecs/cs35l56-shared.c | 79 +++++++++++++++++++++++++++++++ sound/soc/codecs/cs35l56.c | 71 +-------------------------- 3 files changed, 82 insertions(+), 69 deletions(-) diff --git a/include/sound/cs35l56.h b/include/sound/cs35l56.h index e97c7ccfc051..489a61f84325 100644 --- a/include/sound/cs35l56.h +++ b/include/sound/cs35l56.h @@ -283,6 +283,7 @@ int cs35l56_is_fw_reload_needed(struct cs35l56_base *cs= 35l56_base); int cs35l56_runtime_suspend_common(struct cs35l56_base *cs35l56_base); int cs35l56_runtime_resume_common(struct cs35l56_base *cs35l56_base, bool = is_soundwire); void cs35l56_init_cs_dsp(struct cs35l56_base *cs35l56_base, struct cs_dsp = *cs_dsp); +int cs35l56_hw_init(struct cs35l56_base *cs35l56_base); int cs35l56_get_bclk_freq_id(unsigned int freq); void cs35l56_fill_supply_names(struct regulator_bulk_data *data); =20 diff --git a/sound/soc/codecs/cs35l56-shared.c b/sound/soc/codecs/cs35l56-s= hared.c index 82e5edef1b3f..e3b935bd9037 100644 --- a/sound/soc/codecs/cs35l56-shared.c +++ b/sound/soc/codecs/cs35l56-shared.c @@ -549,6 +549,85 @@ void cs35l56_init_cs_dsp(struct cs35l56_base *cs35l56_= base, struct cs_dsp *cs_ds } EXPORT_SYMBOL_NS_GPL(cs35l56_init_cs_dsp, SND_SOC_CS35L56_SHARED); =20 +int cs35l56_hw_init(struct cs35l56_base *cs35l56_base) +{ + int ret; + unsigned int devid, revid, otpid, secured; + + /* + * If the system is not using a reset_gpio then issue a + * dummy read to force a wakeup. + */ + 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); + + /* + * The HALO_STATE register is in different locations on Ax and B0 + * devices so the REVID needs to be determined before waiting for the + * firmware to boot. + */ + ret =3D regmap_read(cs35l56_base->regmap, CS35L56_REVID, &revid); + if (ret < 0) { + dev_err(cs35l56_base->dev, "Get Revision ID failed\n"); + return ret; + } + cs35l56_base->rev =3D revid & (CS35L56_AREVID_MASK | CS35L56_MTLREVID_MAS= K); + + ret =3D cs35l56_wait_for_firmware_boot(cs35l56_base); + if (ret) + return ret; + + ret =3D regmap_read(cs35l56_base->regmap, CS35L56_DEVID, &devid); + if (ret < 0) { + dev_err(cs35l56_base->dev, "Get Device ID failed\n"); + return ret; + } + devid &=3D CS35L56_DEVID_MASK; + + switch (devid) { + case 0x35A56: + break; + default: + dev_err(cs35l56_base->dev, "Unknown device %x\n", devid); + return ret; + } + + ret =3D regmap_read(cs35l56_base->regmap, CS35L56_DSP_RESTRICT_STS1, &sec= ured); + if (ret) { + dev_err(cs35l56_base->dev, "Get Secure status failed\n"); + return ret; + } + + /* When any bus is restricted treat the device as secured */ + if (secured & CS35L56_RESTRICTED_MASK) + cs35l56_base->secured =3D true; + + ret =3D regmap_read(cs35l56_base->regmap, CS35L56_OTPID, &otpid); + if (ret < 0) { + dev_err(cs35l56_base->dev, "Get OTP ID failed\n"); + return ret; + } + + dev_info(cs35l56_base->dev, "Cirrus Logic CS35L56%s Rev %02X OTP%d\n", + cs35l56_base->secured ? "s" : "", cs35l56_base->rev, otpid); + + /* Wake source and *_BLOCKED interrupts default to unmasked, so mask them= */ + regmap_write(cs35l56_base->regmap, CS35L56_IRQ1_MASK_20, 0xffffffff); + regmap_update_bits(cs35l56_base->regmap, CS35L56_IRQ1_MASK_1, + CS35L56_AMP_SHORT_ERR_EINT1_MASK, + 0); + regmap_update_bits(cs35l56_base->regmap, CS35L56_IRQ1_MASK_8, + CS35L56_TEMP_ERR_EINT1_MASK, + 0); + + return 0; +} +EXPORT_SYMBOL_NS_GPL(cs35l56_hw_init, SND_SOC_CS35L56_SHARED); + static const u32 cs35l56_bclk_valid_for_pll_freq_table[] =3D { [0x0C] =3D 128000, [0x0F] =3D 256000, diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c index 8b9b5822d515..f472bde6d21a 100644 --- a/sound/soc/codecs/cs35l56.c +++ b/sound/soc/codecs/cs35l56.c @@ -1130,7 +1130,6 @@ EXPORT_SYMBOL_NS_GPL(cs35l56_common_probe, SND_SOC_CS= 35L56_CORE); int cs35l56_init(struct cs35l56_private *cs35l56) { int ret; - unsigned int devid, revid, otpid, secured; =20 /* * Check whether the actions associated with soft reset or one time @@ -1147,66 +1146,9 @@ int cs35l56_init(struct cs35l56_private *cs35l56) pm_runtime_set_active(cs35l56->base.dev); pm_runtime_enable(cs35l56->base.dev); =20 - /* - * If the system is not using a reset_gpio then issue a - * dummy read to force a wakeup. - */ - 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); - - /* - * The HALO_STATE register is in different locations on Ax and B0 - * devices so the REVID needs to be determined before waiting for the - * firmware to boot. - */ - ret =3D regmap_read(cs35l56->base.regmap, CS35L56_REVID, &revid); - if (ret < 0) { - dev_err(cs35l56->base.dev, "Get Revision ID failed\n"); + ret =3D cs35l56_hw_init(&cs35l56->base); + if (ret < 0) return ret; - } - cs35l56->base.rev =3D revid & (CS35L56_AREVID_MASK | CS35L56_MTLREVID_MAS= K); - - ret =3D cs35l56_wait_for_firmware_boot(&cs35l56->base); - if (ret) - return ret; - - ret =3D regmap_read(cs35l56->base.regmap, CS35L56_DEVID, &devid); - if (ret < 0) { - dev_err(cs35l56->base.dev, "Get Device ID failed\n"); - return ret; - } - devid &=3D CS35L56_DEVID_MASK; - - switch (devid) { - case 0x35A56: - break; - default: - dev_err(cs35l56->base.dev, "Unknown device %x\n", devid); - return ret; - } - - ret =3D regmap_read(cs35l56->base.regmap, CS35L56_DSP_RESTRICT_STS1, &sec= ured); - if (ret) { - dev_err(cs35l56->base.dev, "Get Secure status failed\n"); - return ret; - } - - /* When any bus is restricted treat the device as secured */ - if (secured & CS35L56_RESTRICTED_MASK) - cs35l56->base.secured =3D true; - - ret =3D regmap_read(cs35l56->base.regmap, CS35L56_OTPID, &otpid); - if (ret < 0) { - dev_err(cs35l56->base.dev, "Get OTP ID failed\n"); - return ret; - } - - dev_info(cs35l56->base.dev, "Cirrus Logic CS35L56%s Rev %02X OTP%d\n", - cs35l56->base.secured ? "s" : "", cs35l56->base.rev, otpid); =20 /* Populate the DSP information with the revision and security state */ cs35l56->dsp.part =3D devm_kasprintf(cs35l56->base.dev, GFP_KERNEL, "cs35= l56%s-%02x", @@ -1214,15 +1156,6 @@ int cs35l56_init(struct cs35l56_private *cs35l56) if (!cs35l56->dsp.part) return -ENOMEM; =20 - /* Wake source and *_BLOCKED interrupts default to unmasked, so mask them= */ - regmap_write(cs35l56->base.regmap, CS35L56_IRQ1_MASK_20, 0xffffffff); - regmap_update_bits(cs35l56->base.regmap, CS35L56_IRQ1_MASK_1, - CS35L56_AMP_SHORT_ERR_EINT1_MASK, - 0); - regmap_update_bits(cs35l56->base.regmap, CS35L56_IRQ1_MASK_8, - CS35L56_TEMP_ERR_EINT1_MASK, - 0); - if (!cs35l56->base.reset_gpio) { dev_dbg(cs35l56->base.dev, "No reset gpio: using soft reset\n"); cs35l56->soft_resetting =3D true; --=20 2.30.2