From nobody Mon Dec 15 00:02:23 2025 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 51123EB64DC for ; Fri, 21 Jul 2023 13:22:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231518AbjGUNWg (ORCPT ); Fri, 21 Jul 2023 09:22:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231324AbjGUNWR (ORCPT ); Fri, 21 Jul 2023 09:22:17 -0400 Received: from mx0b-001ae601.pphosted.com (mx0b-001ae601.pphosted.com [67.231.152.168]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BCAE83A84 for ; Fri, 21 Jul 2023 06:21:42 -0700 (PDT) Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 36L7lwWq024208; Fri, 21 Jul 2023 08:21:30 -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=ao4joaSL2DVb8+PiyBm1l4tFztsS5FpEBUlz9zJZqyY=; b= Id9GMQrf78BG/TaSQWbJxso7W8tL7R4TMBTw/2kZyzHnOv1lsoIyuAP3eFg42o9O gGlSEONwuVAWYAECPx7HnFNoFoEoKe+eWyKCfECco9b6HuxFVIYv5gCDZuFF2Oem 1y1Y1EYOVi+0aCbPci0dvusTVZuEJZZPdGG8+zbpxGvrImbKIg46aJfZxOwd/rek +oxzbMhlT+vBhydnuzKHCxcbI21vY0umUo8CvlgrvpsUpJ3C6FoZiHVbA/kp0rPy weM3NOimliCAvWM8MZxasFb+QlK0K6kFGhQraLzqlalLiFWqtDfQzxURb1z1ljbC Ek1yrKRjxE/sDnyAOPHd0w== Received: from ediex02.ad.cirrus.com ([84.19.233.68]) by mx0b-001ae601.pphosted.com (PPS) with ESMTPS id 3rus6gyj2u-6 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Jul 2023 08:21:29 -0500 (CDT) Received: from ediex02.ad.cirrus.com (198.61.84.81) by ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Fri, 21 Jul 2023 14:21:26 +0100 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 15.2.1118.30 via Frontend Transport; Fri, 21 Jul 2023 14:21:26 +0100 Received: from work-debian.ad.cirrus.com (unknown [198.61.64.172]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 5DDC646B; Fri, 21 Jul 2023 13:21:26 +0000 (UTC) From: Richard Fitzgerald To: , CC: , , , , Richard Fitzgerald Subject: [PATCH v5 07/11] ASoC: cs35l56: Move part of cs35l56_init() to shared library Date: Fri, 21 Jul 2023 14:21:16 +0100 Message-ID: <20230721132120.5523-8-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230721132120.5523-1-rf@opensource.cirrus.com> References: <20230721132120.5523-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: Z3YVjFM20EQ6jjlG-EaFcFFWgOoIxUsr X-Proofpoint-GUID: Z3YVjFM20EQ6jjlG-EaFcFFWgOoIxUsr 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 6ab12e2035cd..0d6cdfb6107b 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 fe8df04951f3..8a98070ece5e 100644 --- a/sound/soc/codecs/cs35l56-shared.c +++ b/sound/soc/codecs/cs35l56-shared.c @@ -544,6 +544,85 @@ 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 430829f8a320..d06b83dfc462 100644 --- a/sound/soc/codecs/cs35l56.c +++ b/sound/soc/codecs/cs35l56.c @@ -1127,7 +1127,6 @@ 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 @@ -1144,66 +1143,9 @@ 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", @@ -1211,15 +1153,6 @@ 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