From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, T_DKIMWL_WL_HIGH,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD173C43334 for ; Tue, 4 Sep 2018 15:36:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 69EA72086A for ; Tue, 4 Sep 2018 15:36:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="KisH3oLU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 69EA72086A Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=ti.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727560AbeIDUCD (ORCPT ); Tue, 4 Sep 2018 16:02:03 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:34728 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726355AbeIDUCC (ORCPT ); Tue, 4 Sep 2018 16:02:02 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id w84FaK9i073208; Tue, 4 Sep 2018 10:36:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1536075380; bh=j0ONo9DvIRf/sEo+wG1pBzhiVJVcOAeoFuc4+agH1g8=; h=From:To:CC:Subject:Date; b=KisH3oLUBzUBcmAIfheOqKHVBv+XIKvhw1rBYz2Cj48pI7ir/Nkk6Nk6zoU2aY4qM nQP/3Ej9IAtTNjemK6V5PxYVSAq8DVENrVl7hAB+Ljt5sPVBAwhn5f1iv2ZUR4FjFL xrm844uqGR5dKti+dq0s4iwr/z6sYUoTaCfIaTPU= Received: from DFLE108.ent.ti.com (dfle108.ent.ti.com [10.64.6.29]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id w84FaKo5024537; Tue, 4 Sep 2018 10:36:20 -0500 Received: from DFLE115.ent.ti.com (10.64.6.36) by DFLE108.ent.ti.com (10.64.6.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1466.3; Tue, 4 Sep 2018 10:36:19 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1466.3 via Frontend Transport; Tue, 4 Sep 2018 10:36:19 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id w84FaJ87003070; Tue, 4 Sep 2018 10:36:19 -0500 Received: from localhost (uda0226330.dhcp.ti.com [172.22.184.106]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id w84FaJx08265; Tue, 4 Sep 2018 10:36:19 -0500 (CDT) From: "Andrew F. Davis" To: Liam Girdwood , Mark Brown CC: , , "Andrew F . Davis" Subject: [PATCH v2 1/3] ASoC: tlv320aic31xx: Add overflow detection support Date: Tue, 4 Sep 2018 10:36:17 -0500 Message-ID: <20180904153619.2199-1-afd@ti.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Similar to short circuit detection, when the ADC/DAC is saturated and overflows poor audio quality can result and should be reported to the user. This device support Automatic Dynamic Range Compression (DRC) to reduce this but it is not enabled currently in this driver. Signed-off-by: Andrew F. Davis --- Changes from v1: - Change errors to warning for non-fatal events - Rebased on broonie/sound.git for-next sound/soc/codecs/tlv320aic31xx.c | 34 ++++++++++++++++++++++++++++++-- sound/soc/codecs/tlv320aic31xx.h | 7 +++++++ 2 files changed, 39 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/tlv320aic31xx.c b/sound/soc/codecs/tlv320aic31xx.c index d8783af7d31c..6e8f79ec9629 100644 --- a/sound/soc/codecs/tlv320aic31xx.c +++ b/sound/soc/codecs/tlv320aic31xx.c @@ -1356,7 +1356,7 @@ static irqreturn_t aic31xx_irq(int irq, void *data) if (value) handled = true; else - goto exit; + goto read_overflow; if (value & AIC31XX_HPLSCDETECT) dev_err(dev, "Short circuit on Left output is detected\n"); @@ -1366,6 +1366,35 @@ static irqreturn_t aic31xx_irq(int irq, void *data) AIC31XX_HPRSCDETECT)) dev_err(dev, "Unknown DAC interrupt flags: 0x%08x\n", value); +read_overflow: + ret = regmap_read(aic31xx->regmap, AIC31XX_OFFLAG, &value); + if (ret) { + dev_err(dev, "Failed to read overflow flag: %d\n", ret); + goto exit; + } + + if (value) + handled = true; + else + goto exit; + + if (value & AIC31XX_DAC_OF_LEFT) + dev_warn(dev, "Left-channel DAC overflow has occurred\n"); + if (value & AIC31XX_DAC_OF_RIGHT) + dev_warn(dev, "Right-channel DAC overflow has occurred\n"); + if (value & AIC31XX_DAC_OF_SHIFTER) + dev_warn(dev, "DAC barrel shifter overflow has occurred\n"); + if (value & AIC31XX_ADC_OF) + dev_warn(dev, "ADC overflow has occurred\n"); + if (value & AIC31XX_ADC_OF_SHIFTER) + dev_warn(dev, "ADC barrel shifter overflow has occurred\n"); + if (value & ~(AIC31XX_DAC_OF_LEFT | + AIC31XX_DAC_OF_RIGHT | + AIC31XX_DAC_OF_SHIFTER | + AIC31XX_ADC_OF | + AIC31XX_ADC_OF_SHIFTER)) + dev_warn(dev, "Unknown overflow interrupt flags: 0x%08x\n", value); + exit: if (handled) return IRQ_HANDLED; @@ -1447,7 +1476,8 @@ static int aic31xx_i2c_probe(struct i2c_client *i2c, AIC31XX_GPIO1_FUNC_SHIFT); regmap_write(aic31xx->regmap, AIC31XX_INT1CTRL, - AIC31XX_SC); + AIC31XX_SC | + AIC31XX_ENGINE); ret = devm_request_threaded_irq(aic31xx->dev, aic31xx->irq, NULL, aic31xx_irq, diff --git a/sound/soc/codecs/tlv320aic31xx.h b/sound/soc/codecs/tlv320aic31xx.h index 52e171988906..2636f2c6bc79 100644 --- a/sound/soc/codecs/tlv320aic31xx.h +++ b/sound/soc/codecs/tlv320aic31xx.h @@ -173,6 +173,13 @@ struct aic31xx_pdata { #define AIC31XX_HPRDRVPWRSTATUS_MASK BIT(1) #define AIC31XX_SPRDRVPWRSTATUS_MASK BIT(0) +/* AIC31XX_OFFLAG */ +#define AIC31XX_DAC_OF_LEFT BIT(7) +#define AIC31XX_DAC_OF_RIGHT BIT(6) +#define AIC31XX_DAC_OF_SHIFTER BIT(5) +#define AIC31XX_ADC_OF BIT(3) +#define AIC31XX_ADC_OF_SHIFTER BIT(1) + /* AIC31XX_INTRDACFLAG */ #define AIC31XX_HPLSCDETECT BIT(7) #define AIC31XX_HPRSCDETECT BIT(6) -- 2.18.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Andrew F. Davis" Subject: [PATCH v2 1/3] ASoC: tlv320aic31xx: Add overflow detection support Date: Tue, 4 Sep 2018 10:36:17 -0500 Message-ID: <20180904153619.2199-1-afd@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Liam Girdwood , Mark Brown Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, "Andrew F . Davis" List-Id: alsa-devel@alsa-project.org Similar to short circuit detection, when the ADC/DAC is saturated and overflows poor audio quality can result and should be reported to the user. This device support Automatic Dynamic Range Compression (DRC) to reduce this but it is not enabled currently in this driver. Signed-off-by: Andrew F. Davis --- Changes from v1: - Change errors to warning for non-fatal events - Rebased on broonie/sound.git for-next sound/soc/codecs/tlv320aic31xx.c | 34 ++++++++++++++++++++++++++++++-- sound/soc/codecs/tlv320aic31xx.h | 7 +++++++ 2 files changed, 39 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/tlv320aic31xx.c b/sound/soc/codecs/tlv320aic31xx.c index d8783af7d31c..6e8f79ec9629 100644 --- a/sound/soc/codecs/tlv320aic31xx.c +++ b/sound/soc/codecs/tlv320aic31xx.c @@ -1356,7 +1356,7 @@ static irqreturn_t aic31xx_irq(int irq, void *data) if (value) handled = true; else - goto exit; + goto read_overflow; if (value & AIC31XX_HPLSCDETECT) dev_err(dev, "Short circuit on Left output is detected\n"); @@ -1366,6 +1366,35 @@ static irqreturn_t aic31xx_irq(int irq, void *data) AIC31XX_HPRSCDETECT)) dev_err(dev, "Unknown DAC interrupt flags: 0x%08x\n", value); +read_overflow: + ret = regmap_read(aic31xx->regmap, AIC31XX_OFFLAG, &value); + if (ret) { + dev_err(dev, "Failed to read overflow flag: %d\n", ret); + goto exit; + } + + if (value) + handled = true; + else + goto exit; + + if (value & AIC31XX_DAC_OF_LEFT) + dev_warn(dev, "Left-channel DAC overflow has occurred\n"); + if (value & AIC31XX_DAC_OF_RIGHT) + dev_warn(dev, "Right-channel DAC overflow has occurred\n"); + if (value & AIC31XX_DAC_OF_SHIFTER) + dev_warn(dev, "DAC barrel shifter overflow has occurred\n"); + if (value & AIC31XX_ADC_OF) + dev_warn(dev, "ADC overflow has occurred\n"); + if (value & AIC31XX_ADC_OF_SHIFTER) + dev_warn(dev, "ADC barrel shifter overflow has occurred\n"); + if (value & ~(AIC31XX_DAC_OF_LEFT | + AIC31XX_DAC_OF_RIGHT | + AIC31XX_DAC_OF_SHIFTER | + AIC31XX_ADC_OF | + AIC31XX_ADC_OF_SHIFTER)) + dev_warn(dev, "Unknown overflow interrupt flags: 0x%08x\n", value); + exit: if (handled) return IRQ_HANDLED; @@ -1447,7 +1476,8 @@ static int aic31xx_i2c_probe(struct i2c_client *i2c, AIC31XX_GPIO1_FUNC_SHIFT); regmap_write(aic31xx->regmap, AIC31XX_INT1CTRL, - AIC31XX_SC); + AIC31XX_SC | + AIC31XX_ENGINE); ret = devm_request_threaded_irq(aic31xx->dev, aic31xx->irq, NULL, aic31xx_irq, diff --git a/sound/soc/codecs/tlv320aic31xx.h b/sound/soc/codecs/tlv320aic31xx.h index 52e171988906..2636f2c6bc79 100644 --- a/sound/soc/codecs/tlv320aic31xx.h +++ b/sound/soc/codecs/tlv320aic31xx.h @@ -173,6 +173,13 @@ struct aic31xx_pdata { #define AIC31XX_HPRDRVPWRSTATUS_MASK BIT(1) #define AIC31XX_SPRDRVPWRSTATUS_MASK BIT(0) +/* AIC31XX_OFFLAG */ +#define AIC31XX_DAC_OF_LEFT BIT(7) +#define AIC31XX_DAC_OF_RIGHT BIT(6) +#define AIC31XX_DAC_OF_SHIFTER BIT(5) +#define AIC31XX_ADC_OF BIT(3) +#define AIC31XX_ADC_OF_SHIFTER BIT(1) + /* AIC31XX_INTRDACFLAG */ #define AIC31XX_HPLSCDETECT BIT(7) #define AIC31XX_HPRSCDETECT BIT(6) -- 2.18.0