From patchwork Mon May 9 21:46:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vitaly Rodionov X-Patchwork-Id: 12844117 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 1C0B4C433F5 for ; Mon, 9 May 2022 21:54:42 +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 3E31D1865; Mon, 9 May 2022 23:53:50 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3E31D1865 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1652133280; bh=XgJ6r2eUxdlyz0ziQHaywRyU1SAMpiprOrG6LjJ0ZMY=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=FnZQhIwFQSYWHH57fdoAtLRzQ5FACmhuxrRHl9XSoW8WMX4cf8jN85QCWf0YpbOk9 PgO9K0iATMCnXrdNlNNVp4W8lIYCrislXBquE7SgY+RiEKfVdTTtZKYkuwlNh4cp/C vsFUCji7RkFPPKMaAtIjZdfsTUsvKuJSfOsmNExE= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id D8CECF805E1; Mon, 9 May 2022 23:47:50 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id EA8C0F805BB; Mon, 9 May 2022 23:47:43 +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 E4A7BF80534 for ; Mon, 9 May 2022 23:47:17 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz E4A7BF80534 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=cirrus.com header.i=@cirrus.com header.b="bfUnRpgT" 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 249Bt3ZF026043; 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=SmFLBI7Xyajg8wMhgC4OEfEikEYaFF/sIuWve4nSd5Q=; b=bfUnRpgT8Qrzn7zzu82uktZErq95/e49kVaUj9sQnCDbrjxaAaHWg7HMsPc52qqNh2ee HkDCsW9qvEmxFFq7xLVJnUyM8u3izY4f4yqTy5sPToHrlCKZc8ep4eWYNeYh00gKs0VG kOMLawAmkJawY/9MtFORSk1c1acIHXKtOuD6fZOX5dWRVTQ0RILO+87Ocf3c8mlF6l96 nXB+ZfRw+J8Kxiz0UMEfl+GVXVcfemUTBDcm1ujgkzOyBNSZImsB/wKZFv1ewLFd6Rm6 G7Y1OqAaPMOP4nFhf9liSvwyLNnlIQIPKD2WnZn1+wa04ZJgvZDhS0Mhx/I43Ub3/2BM 9g== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3fwp613jeu-7 (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 22:47:12 +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 22:47:12 +0100 Received: from vitaly-Legion-7-16ACHg6.ad.cirrus.com (unknown [198.90.238.55]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 685B7475; Mon, 9 May 2022 21:47:12 +0000 (UTC) From: Vitaly Rodionov To: Jaroslav Kysela , Takashi Iwai , Mark Brown Subject: [PATCH v2 21/26] ALSA: hda: cs35l41: Support Hibernation during Suspend Date: Mon, 9 May 2022 22:46:58 +0100 Message-ID: <20220509214703.4482-22-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: Mf-LPjrjdIKLObn3_BSLu7UZXS7xNnTU X-Proofpoint-ORIG-GUID: Mf-LPjrjdIKLObn3_BSLu7UZXS7xNnTU X-Proofpoint-Spam-Reason: safe Cc: patches@opensource.cirrus.com, alsa-devel@alsa-project.org, 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 supports hibernation during suspend when using DSP firmware. When the driver suspends it will hibernate the part, if firmware is running, and resume will wake from hibernation. CS35L41 driver will suspend/resume when requested by hda driver. Note that suspend/resume and hibernation is only supported when firmware is running. Signed-off-by: Stefan Binding Signed-off-by: Vitaly Rodionov --- sound/pci/hda/cs35l41_hda.c | 109 +++++++++++++++++++++++++++++++- sound/pci/hda/cs35l41_hda.h | 2 + sound/pci/hda/cs35l41_hda_i2c.c | 1 + sound/pci/hda/cs35l41_hda_spi.c | 1 + sound/pci/hda/hda_component.h | 2 + sound/pci/hda/patch_realtek.c | 25 +++++++- 6 files changed, 136 insertions(+), 4 deletions(-) diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index 1d62a41fbc75..9c622104bf01 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -10,6 +10,7 @@ #include #include #include +#include #include "hda_local.h" #include "hda_auto_parser.h" #include "hda_jack.h" @@ -425,6 +426,75 @@ static int cs35l41_hda_channel_map(struct device *dev, unsigned int tx_num, unsi rx_slot); } +static int cs35l41_runtime_suspend(struct device *dev) +{ + struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); + + dev_dbg(cs35l41->dev, "Suspend\n"); + + if (!cs35l41->firmware_running) + return 0; + + if (cs35l41_enter_hibernate(cs35l41->dev, cs35l41->regmap, cs35l41->hw_cfg.bst_type) < 0) + return 0; + + regcache_cache_only(cs35l41->regmap, true); + regcache_mark_dirty(cs35l41->regmap); + + return 0; +} + +static int cs35l41_runtime_resume(struct device *dev) +{ + struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); + int ret; + + dev_dbg(cs35l41->dev, "Resume.\n"); + + if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) { + dev_dbg(cs35l41->dev, "System does not support Resume\n"); + return 0; + } + + if (!cs35l41->firmware_running) + return 0; + + regcache_cache_only(cs35l41->regmap, false); + + ret = cs35l41_exit_hibernate(cs35l41->dev, cs35l41->regmap); + if (ret) { + regcache_cache_only(cs35l41->regmap, true); + return ret; + } + + /* Test key needs to be unlocked to allow the OTP settings to re-apply */ + cs35l41_test_key_unlock(cs35l41->dev, cs35l41->regmap); + ret = regcache_sync(cs35l41->regmap); + cs35l41_test_key_lock(cs35l41->dev, cs35l41->regmap); + if (ret) { + dev_err(cs35l41->dev, "Failed to restore register cache: %d\n", ret); + return ret; + } + + if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST) + cs35l41_init_boost(cs35l41->dev, cs35l41->regmap, &cs35l41->hw_cfg); + + return 0; +} + +static int cs35l41_hda_suspend_hook(struct device *dev) +{ + dev_dbg(dev, "Request Suspend\n"); + pm_runtime_mark_last_busy(dev); + return pm_runtime_put_autosuspend(dev); +} + +static int cs35l41_hda_resume_hook(struct device *dev) +{ + dev_dbg(dev, "Request Resume\n"); + return pm_runtime_get_sync(dev); +} + static int cs35l41_smart_amp(struct cs35l41_hda *cs35l41) { int halo_sts; @@ -482,17 +552,25 @@ static int cs35l41_hda_bind(struct device *dev, struct device *master, void *mas if (comps->dev) return -EBUSY; + pm_runtime_get_sync(dev); + comps->dev = dev; if (!cs35l41->acpi_subsystem_id) cs35l41->acpi_subsystem_id = devm_kasprintf(dev, GFP_KERNEL, "%.8x", comps->subsystem_id); cs35l41->codec = comps->codec; strscpy(comps->name, dev_name(dev), sizeof(comps->name)); - comps->playback_hook = cs35l41_hda_playback_hook; if (cs35l41_smart_amp(cs35l41) < 0) dev_warn(cs35l41->dev, "Cannot Run Firmware, reverting to dsp bypass...\n"); + comps->playback_hook = cs35l41_hda_playback_hook; + comps->suspend_hook = cs35l41_hda_suspend_hook; + comps->resume_hook = cs35l41_hda_resume_hook; + + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); + return 0; } @@ -588,7 +666,7 @@ static const struct regmap_irq cs35l41_reg_irqs[] = { CS35L41_REG_IRQ(IRQ1_STATUS1, AMP_SHORT_ERR), }; -static const struct regmap_irq_chip cs35l41_regmap_irq_chip = { +static struct regmap_irq_chip cs35l41_regmap_irq_chip = { .name = "cs35l41 IRQ1 Controller", .status_base = CS35L41_IRQ1_STATUS1, .mask_base = CS35L41_IRQ1_MASK1, @@ -596,6 +674,7 @@ static const struct regmap_irq_chip cs35l41_regmap_irq_chip = { .num_regs = 4, .irqs = cs35l41_reg_irqs, .num_irqs = ARRAY_SIZE(cs35l41_reg_irqs), + .runtime_pm = true, }; static int cs35l41_hda_apply_properties(struct cs35l41_hda *cs35l41) @@ -1003,13 +1082,23 @@ int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int i if (ret) goto err; + pm_runtime_set_autosuspend_delay(cs35l41->dev, 3000); + pm_runtime_use_autosuspend(cs35l41->dev); + pm_runtime_mark_last_busy(cs35l41->dev); + pm_runtime_set_active(cs35l41->dev); + pm_runtime_get_noresume(cs35l41->dev); + pm_runtime_enable(cs35l41->dev); + ret = cs35l41_hda_apply_properties(cs35l41); if (ret) - goto err; + goto err_pm; + + pm_runtime_put_autosuspend(cs35l41->dev); ret = component_add(cs35l41->dev, &cs35l41_hda_comp_ops); if (ret) { dev_err(cs35l41->dev, "Register component failed: %d\n", ret); + pm_runtime_disable(cs35l41->dev); goto err; } @@ -1017,6 +1106,10 @@ int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int i return 0; +err_pm: + pm_runtime_disable(cs35l41->dev); + pm_runtime_put_noidle(cs35l41->dev); + err: if (cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type)) gpiod_set_value_cansleep(cs35l41->reset_gpio, 0); @@ -1030,17 +1123,27 @@ void cs35l41_hda_remove(struct device *dev) { struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); + pm_runtime_get_sync(cs35l41->dev); + pm_runtime_disable(cs35l41->dev); + if (cs35l41->firmware_running) cs35l41_remove_dsp(cs35l41); component_del(cs35l41->dev, &cs35l41_hda_comp_ops); + pm_runtime_put_noidle(cs35l41->dev); + if (cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type)) gpiod_set_value_cansleep(cs35l41->reset_gpio, 0); gpiod_put(cs35l41->reset_gpio); } EXPORT_SYMBOL_NS_GPL(cs35l41_hda_remove, SND_HDA_SCODEC_CS35L41); +const struct dev_pm_ops cs35l41_hda_pm_ops = { + SET_RUNTIME_PM_OPS(cs35l41_runtime_suspend, cs35l41_runtime_resume, NULL) +}; +EXPORT_SYMBOL_NS_GPL(cs35l41_hda_pm_ops, SND_HDA_SCODEC_CS35L41); + MODULE_DESCRIPTION("CS35L41 HDA Driver"); MODULE_IMPORT_NS(SND_HDA_CS_DSP_CONTROLS); MODULE_AUTHOR("Lucas Tanure, Cirrus Logic Inc, "); diff --git a/sound/pci/hda/cs35l41_hda.h b/sound/pci/hda/cs35l41_hda.h index 717b30a2e33b..54521a013e78 100644 --- a/sound/pci/hda/cs35l41_hda.h +++ b/sound/pci/hda/cs35l41_hda.h @@ -56,6 +56,8 @@ enum halo_state { HALO_STATE_CODE_RUN }; +extern const struct dev_pm_ops cs35l41_hda_pm_ops; + int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int irq, struct regmap *regmap); void cs35l41_hda_remove(struct device *dev); diff --git a/sound/pci/hda/cs35l41_hda_i2c.c b/sound/pci/hda/cs35l41_hda_i2c.c index e810b278fb91..a669090a18e8 100644 --- a/sound/pci/hda/cs35l41_hda_i2c.c +++ b/sound/pci/hda/cs35l41_hda_i2c.c @@ -55,6 +55,7 @@ static struct i2c_driver cs35l41_i2c_driver = { .driver = { .name = "cs35l41-hda", .acpi_match_table = ACPI_PTR(cs35l41_acpi_hda_match), + .pm = &cs35l41_hda_pm_ops, }, .id_table = cs35l41_hda_i2c_id, .probe = cs35l41_hda_i2c_probe, diff --git a/sound/pci/hda/cs35l41_hda_spi.c b/sound/pci/hda/cs35l41_hda_spi.c index 22e088f28438..d7f15e2abe66 100644 --- a/sound/pci/hda/cs35l41_hda_spi.c +++ b/sound/pci/hda/cs35l41_hda_spi.c @@ -50,6 +50,7 @@ static struct spi_driver cs35l41_spi_driver = { .driver = { .name = "cs35l41-hda", .acpi_match_table = ACPI_PTR(cs35l41_acpi_hda_match), + .pm = &cs35l41_hda_pm_ops, }, .id_table = cs35l41_hda_spi_id, .probe = cs35l41_hda_spi_probe, diff --git a/sound/pci/hda/hda_component.h b/sound/pci/hda/hda_component.h index fa6df52e7855..72ec0d865a28 100644 --- a/sound/pci/hda/hda_component.h +++ b/sound/pci/hda/hda_component.h @@ -17,4 +17,6 @@ struct hda_component { int subsystem_id; struct hda_codec *codec; void (*playback_hook)(struct device *dev, int action); + int (*suspend_hook)(struct device *dev); + int (*resume_hook)(struct device *dev); }; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 13ddece6096a..c247f5c24a5d 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4005,15 +4005,22 @@ static void alc5505_dsp_init(struct hda_codec *codec) static int alc269_suspend(struct hda_codec *codec) { struct alc_spec *spec = codec->spec; + int i; if (spec->has_alc5505_dsp) alc5505_dsp_suspend(codec); + + for (i = 0; i < HDA_MAX_COMPONENTS; i++) + if (spec->comps[i].suspend_hook) + spec->comps[i].suspend_hook(spec->comps[i].dev); + return alc_suspend(codec); } static int alc269_resume(struct hda_codec *codec) { struct alc_spec *spec = codec->spec; + int i; if (spec->codec_variant == ALC269_TYPE_ALC269VB) alc269vb_toggle_power_output(codec, 0); @@ -4044,6 +4051,10 @@ static int alc269_resume(struct hda_codec *codec) if (spec->has_alc5505_dsp) alc5505_dsp_resume(codec); + for (i = 0; i < HDA_MAX_COMPONENTS; i++) + if (spec->comps[i].resume_hook) + spec->comps[i].resume_hook(spec->comps[i].dev); + return 0; } #endif /* CONFIG_PM */ @@ -6586,8 +6597,20 @@ static int comp_bind(struct device *dev) { struct hda_codec *cdc = dev_to_hda_codec(dev); struct alc_spec *spec = cdc->spec; + int ret, i; + + ret = component_bind_all(dev, spec->comps); + if (ret) + return ret; - return component_bind_all(dev, spec->comps); + if (snd_hdac_is_power_on(&cdc->core)) { + codec_dbg(cdc, "Resuming after bind.\n"); + for (i = 0; i < HDA_MAX_COMPONENTS; i++) + if (spec->comps[i].resume_hook) + spec->comps[i].resume_hook(spec->comps[i].dev); + } + + return 0; } static void comp_unbind(struct device *dev)