From patchwork Mon Jun 20 20:54:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vitaly Rodionov X-Patchwork-Id: 583219 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 12D09C43334 for ; Mon, 20 Jun 2022 20:58:34 +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 59495282A; Mon, 20 Jun 2022 22:57:42 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 59495282A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1655758712; bh=oW3VSIkEJFuVG5DIifE398Rp9SR+TzGnTnljujkWB+4=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=sBeoRmOS88b5XGt2cDC6z38u8W2Mbdis3k63PK6TF1qPl3iV7MWehpcoQuAkFik41 /Gtu/R0DKufwB48nMptCbylvpW0NRaBsSFg9Zp+TvVATWStDbVP9PWUkS5E/RlzSqb Dh+ZLqa3YGLvpeHoDDTxTFXggzIBfCsqAjw2g4hw= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 99700F805A8; Mon, 20 Jun 2022 22:55:11 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 6CD98F80570; Mon, 20 Jun 2022 22:55:06 +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 50CC1F80543 for ; Mon, 20 Jun 2022 22:54:51 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 50CC1F80543 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=cirrus.com header.i=@cirrus.com header.b="bca9UM84" 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 25KBU7tm002386; Mon, 20 Jun 2022 15:54:49 -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=6FMRzWnU6tXGH/Y5SQA0XSGsZk9aXVh9Y/FKlXcq3QE=; b=bca9UM84zJ90J6gfUFCzWtzSffflwQYjniCfWCIVCWRwN93TxmWMcyGwTbX5L1nOd04j VVT2rRJ7arNqKRcIssp0Of0Xfp16QmGmExCh2/9LJEE/qIZupbEuJmVJP0CqdO15XYdG G2i3ln8rO7zREts+zGZc+9J1qM0yJp8VbUHPG5PTlRYEt0fBlCC9LLb/CPQ9xIGpcX1H VFaoFTHBNvE9E4GwuCfjnRPCzOvp9+IT8gr3oa0Cdq3GVApFfWaXiGMwKDDaSSD3KjnL 0/zH9x9rj+L+CcpCaFVoJ2w1s+iNnFeDNm2VmQD7rlPGodPP7MeKFKqN32y5S/5zZ7oH WQ== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3gsc41antf-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Mon, 20 Jun 2022 15:54:49 -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 15.1.2375.28; Mon, 20 Jun 2022 21:54:45 +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 15.1.2375.28 via Frontend Transport; Mon, 20 Jun 2022 21:54:45 +0100 Received: from vitaly-Legion-7-16ACHg6.ad.cirrus.com (unknown [198.90.238.175]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 76C0411D1; Mon, 20 Jun 2022 20:54:45 +0000 (UTC) From: Vitaly Rodionov To: Jaroslav Kysela , Takashi Iwai , Mark Brown Subject: [PATCH v5 09/14] ALSA: hda: cs35l41: Support Hibernation during Suspend Date: Mon, 20 Jun 2022 21:54:27 +0100 Message-ID: <20220620205432.3809-10-vitalyr@opensource.cirrus.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220620205432.3809-1-vitalyr@opensource.cirrus.com> References: <20220620205432.3809-1-vitalyr@opensource.cirrus.com> MIME-Version: 1.0 X-Proofpoint-GUID: W00RVrM8PRaXZZt93Ijzop0C8_Fl8n0J X-Proofpoint-ORIG-GUID: W00RVrM8PRaXZZt93Ijzop0C8_Fl8n0J 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 6ac68b00cafe..b502806fbfa1 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" @@ -435,6 +436,75 @@ 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; @@ -492,19 +562,27 @@ 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; mutex_lock(&cs35l41->fw_mutex); if (cs35l41_smart_amp(cs35l41) < 0) dev_warn(cs35l41->dev, "Cannot Run Firmware, reverting to dsp bypass...\n"); mutex_unlock(&cs35l41->fw_mutex); + 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; } @@ -600,7 +678,7 @@ 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, @@ -608,6 +686,7 @@ 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) @@ -1017,13 +1096,23 @@ int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int i mutex_init(&cs35l41->fw_mutex); + 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; } @@ -1031,6 +1120,10 @@ 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); @@ -1044,17 +1137,27 @@ 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->halo_initialized) 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 a9dbc1c19248..439c4b705328 100644 --- a/sound/pci/hda/cs35l41_hda.h +++ b/sound/pci/hda/cs35l41_hda.h @@ -57,6 +57,8 @@ 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 6a944396582b..cf06b12a24c1 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4021,15 +4021,22 @@ 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); @@ -4060,6 +4067,10 @@ 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 */ @@ -6610,8 +6621,20 @@ 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)