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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 1029FC47409 for ; Tue, 14 Jan 2020 18:15:33 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 9C744214AF for ; Tue, 14 Jan 2020 18:15:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="EF54IZBJ"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gerhold.net header.i=@gerhold.net header.b="PdNXUSTy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9C744214AF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gerhold.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org 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 D343017F7; Tue, 14 Jan 2020 19:14:40 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz D343017F7 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1579025730; bh=mwfAGjgdustPVn8SA1Fz1+uFb8UNB5/zrhowwSZfe90=; h=From:To:Date:Cc:Subject:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=EF54IZBJcRJHYKB3RLZTE7OQAT6xuyUXWXoPgWIp9Pu5v1L/MBH/VGLpPdpqtpe2Z eFVcgVummhjLIdB67NaSs3Qwh7408WLizH3PGlzpjk5nKQeu3xA1fjNrc9V2IqEvG2 ztBfYs3I+4YE2856wzqtGxSKTFCl9RWK9ZX/Ixb0= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 43A37F800E9; Tue, 14 Jan 2020 19:14:40 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 40AF0F8016F; Tue, 14 Jan 2020 19:14:38 +0100 (CET) Received: from mo6-p01-ob.smtp.rzone.de (mo6-p01-ob.smtp.rzone.de [IPv6:2a01:238:20a:202:5301::9]) (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 D34E5F800E9 for ; Tue, 14 Jan 2020 19:14:30 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D34E5F800E9 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=gerhold.net header.i=@gerhold.net header.b="PdNXUSTy" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1579025670; s=strato-dkim-0002; d=gerhold.net; h=Message-Id:Date:Subject:Cc:To:From:X-RZG-CLASS-ID:X-RZG-AUTH:From: Subject:Sender; bh=omk0uQu6FFF+KejCdrzQsCw6t5K4pclplBbRGHjX3Es=; b=PdNXUSTyaqyAyvltsZO1OjuY7ZTJvEDpNpCgmAnoK2Arj0L73u3do3JdFvovrWBn+l yPieE3vFhM5KQKRaIfjF4gVwWvZx5XSCcleJL1drQHq7iqDfrIiJbOH3XP7/QC7p3kci CDCVH0kyrTiW6+1pevxi7MW6GOmrFrKGsiyAcjvm5Pyqf9SVjnH+5rlY2pMW/6OANwKP WpqjuSmFTqzviyBO/uskVWmsvLREwlAh3mkEYuNdnAuKZafjSebviGK8+ekhVdKZawLG DMxv7nlj7dtfDKEgSM34Hn24pbWItG9MQoq/qNmKnRB88xWsKhxMxH9lZ5hIL07QmkZj Spsg== X-RZG-AUTH: ":P3gBZUipdd93FF5ZZvYFPugejmSTVR2nRPhVORvLd4SsytBXQ7IOGU5qzCB3a93viaVr" X-RZG-CLASS-ID: mo00 Received: from localhost.localdomain by smtp.strato.de (RZmta 46.1.4 AUTH) with ESMTPSA id h048a6w0EIEQXnH (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Tue, 14 Jan 2020 19:14:26 +0100 (CET) From: Stephan Gerhold To: Mark Brown Date: Tue, 14 Jan 2020 19:12:28 +0100 Message-Id: <20200114181229.42302-1-stephan@gerhold.net> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, Stephan Gerhold , Takashi Iwai , Liam Girdwood , Srinivas Kandagatla , ~postmarketos/upstreaming@lists.sr.ht, Nikita Travkin Subject: [alsa-devel] [PATCH v2 1/2] ASoC: msm8916-wcd-analog: Simplify MIC BIAS Internal 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" At the moment, MIC BIAS Internal* and MIC BIAS External* both reference the same register, and have a part of their initialization sequence duplicated. For example, the sequence for enabling MIC BIAS Internal1 is: I1. Enable MIC_BIAS1 supply (MICB_EN bit in CDC_A_MICB_1_EN) I2. Enable internal RBIAS (TX1_INT_RBIAS_EN bit in CDC_A_MICB_1_INT_RBIAS) The sequence for enabling MIC BIAS External1 is: E1. Enable MIC_BIAS1 supply (MICB_EN bit in CDC_A_MICB_1_EN) (E2. Ideally, make sure internal RBIAS is disabled. However, this should not happen in practice because DAPM will disable unused supplies...) Right now we have: SND_SOC_DAPM_SUPPLY("MIC BIAS Internal1", CDC_A_MICB_1_EN, 7, 0, ...) // I1 SND_SOC_DAPM_SUPPLY("MIC BIAS External1", CDC_A_MICB_1_EN, 7, 0, ...) // E1 and I2 is done in the PM event handler (pm8916_wcd_analog_enable_micbias_int1). We can simplify this by defining a common DAPM supply for I1/E1 ("MIC_BIAS1"), and one DAPM supply for I2 ("MIC BIAS Internal1"). Additional DAPM routes ensure that we also enable the MIC_BIAS1 supply for the internal and external pull up resistor. Another advantage of this is that we now disable the internal RBIAS when it is not needed. This makes it much easier to add support for MIC BIAS Internal3 as a next step. Tested-by: Nikita Travkin # longcheer-l8150 Cc: Srinivas Kandagatla Signed-off-by: Stephan Gerhold --- v1: https://lore.kernel.org/alsa-devel/20200111164006.43074-4-stephan@gerhold.net/ Changes in v2: - Use an extra DAPM supply for MIC_BIASX that is referenced by MIC BIAS InternalX and MIC BIAS ExternalX, instead of combining it with MIC BIAS ExternalX - Clarify commit message --- sound/soc/codecs/msm8916-wcd-analog.c | 112 ++++++++++---------------- 1 file changed, 42 insertions(+), 70 deletions(-) diff --git a/sound/soc/codecs/msm8916-wcd-analog.c b/sound/soc/codecs/msm8916-wcd-analog.c index 1f7964beb20c..d6d727f5bae5 100644 --- a/sound/soc/codecs/msm8916-wcd-analog.c +++ b/sound/soc/codecs/msm8916-wcd-analog.c @@ -374,9 +374,8 @@ static void pm8916_wcd_analog_micbias_enable(struct snd_soc_component *component } -static int pm8916_wcd_analog_enable_micbias_ext(struct snd_soc_component - *component, int event, - int reg, unsigned int cap_mode) +static int pm8916_wcd_analog_enable_micbias(struct snd_soc_component *component, + int event, unsigned int cap_mode) { switch (event) { case SND_SOC_DAPM_POST_PMU: @@ -389,72 +388,44 @@ static int pm8916_wcd_analog_enable_micbias_ext(struct snd_soc_component return 0; } -static int pm8916_wcd_analog_enable_micbias_int(struct snd_soc_component - *component, int event, - int reg, u32 cap_mode) +static int pm8916_wcd_analog_enable_micbias_int(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) { + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); switch (event) { case SND_SOC_DAPM_PRE_PMU: - snd_soc_component_update_bits(component, reg, MICB_1_EN_PULL_DOWN_EN_MASK, 0); snd_soc_component_update_bits(component, CDC_A_MICB_1_EN, MICB_1_EN_OPA_STG2_TAIL_CURR_MASK, MICB_1_EN_OPA_STG2_TAIL_CURR_1_60UA); - - break; - case SND_SOC_DAPM_POST_PMU: - pm8916_wcd_analog_micbias_enable(component); - snd_soc_component_update_bits(component, CDC_A_MICB_1_EN, - MICB_1_EN_BYP_CAP_MASK, cap_mode); break; } return 0; } -static int pm8916_wcd_analog_enable_micbias_ext1(struct - snd_soc_dapm_widget - *w, struct snd_kcontrol - *kcontrol, int event) +static int pm8916_wcd_analog_enable_micbias1(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component); - return pm8916_wcd_analog_enable_micbias_ext(component, event, w->reg, - wcd->micbias1_cap_mode); + return pm8916_wcd_analog_enable_micbias(component, event, + wcd->micbias1_cap_mode); } -static int pm8916_wcd_analog_enable_micbias_ext2(struct - snd_soc_dapm_widget - *w, struct snd_kcontrol - *kcontrol, int event) -{ - struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); - struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component); - - return pm8916_wcd_analog_enable_micbias_ext(component, event, w->reg, - wcd->micbias2_cap_mode); - -} - -static int pm8916_wcd_analog_enable_micbias_int1(struct - snd_soc_dapm_widget - *w, struct snd_kcontrol - *kcontrol, int event) +static int pm8916_wcd_analog_enable_micbias2(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component); - switch (event) { - case SND_SOC_DAPM_PRE_PMU: - snd_soc_component_update_bits(component, CDC_A_MICB_1_INT_RBIAS, - MICB_1_INT_TX1_INT_RBIAS_EN_MASK, - MICB_1_INT_TX1_INT_RBIAS_EN_ENABLE); - break; - } + return pm8916_wcd_analog_enable_micbias(component, event, + wcd->micbias2_cap_mode); - return pm8916_wcd_analog_enable_micbias_int(component, event, w->reg, - wcd->micbias1_cap_mode); } static int pm8916_mbhc_configure_bias(struct pm8916_wcd_analog_priv *priv, @@ -564,9 +535,8 @@ static int pm8916_wcd_analog_enable_micbias_int2(struct switch (event) { case SND_SOC_DAPM_PRE_PMU: - snd_soc_component_update_bits(component, CDC_A_MICB_1_INT_RBIAS, - MICB_1_INT_TX2_INT_RBIAS_EN_MASK, - MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE); + snd_soc_component_update_bits(component, CDC_A_MICB_2_EN, + CDC_A_MICB_2_PULL_DOWN_EN_MASK, 0); break; case SND_SOC_DAPM_POST_PMU: pm8916_mbhc_configure_bias(wcd, true); @@ -576,8 +546,7 @@ static int pm8916_wcd_analog_enable_micbias_int2(struct break; } - return pm8916_wcd_analog_enable_micbias_int(component, event, w->reg, - wcd->micbias2_cap_mode); + return pm8916_wcd_analog_enable_micbias_int(w, kcontrol, event); } static int pm8916_wcd_analog_enable_adc(struct snd_soc_dapm_widget *w, @@ -878,14 +847,15 @@ static const struct snd_soc_dapm_route pm8916_wcd_analog_audio_map[] = { {"SPK PA", NULL, "SPK DAC"}, {"SPK DAC", "Switch", "PDM_RX3"}, - {"MIC BIAS Internal1", NULL, "INT_LDO_H"}, - {"MIC BIAS Internal2", NULL, "INT_LDO_H"}, - {"MIC BIAS External1", NULL, "INT_LDO_H"}, - {"MIC BIAS External2", NULL, "INT_LDO_H"}, - {"MIC BIAS Internal1", NULL, "vdd-micbias"}, - {"MIC BIAS Internal2", NULL, "vdd-micbias"}, - {"MIC BIAS External1", NULL, "vdd-micbias"}, - {"MIC BIAS External2", NULL, "vdd-micbias"}, + {"MIC_BIAS1", NULL, "INT_LDO_H"}, + {"MIC_BIAS2", NULL, "INT_LDO_H"}, + {"MIC_BIAS1", NULL, "vdd-micbias"}, + {"MIC_BIAS2", NULL, "vdd-micbias"}, + + {"MIC BIAS External1", NULL, "MIC_BIAS1"}, + {"MIC BIAS Internal1", NULL, "MIC_BIAS1"}, + {"MIC BIAS External2", NULL, "MIC_BIAS2"}, + {"MIC BIAS Internal2", NULL, "MIC_BIAS2"}, }; static const struct snd_soc_dapm_widget pm8916_wcd_analog_dapm_widgets[] = { @@ -937,22 +907,24 @@ static const struct snd_soc_dapm_widget pm8916_wcd_analog_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("RX_BIAS", CDC_A_RX_COM_BIAS_DAC, 7, 0, NULL, 0), /* TX */ - SND_SOC_DAPM_SUPPLY("MIC BIAS Internal1", CDC_A_MICB_1_EN, 7, 0, - pm8916_wcd_analog_enable_micbias_int1, - SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | - SND_SOC_DAPM_POST_PMD), - SND_SOC_DAPM_SUPPLY("MIC BIAS Internal2", CDC_A_MICB_2_EN, 7, 0, + SND_SOC_DAPM_SUPPLY("MIC_BIAS1", CDC_A_MICB_1_EN, 7, 0, + pm8916_wcd_analog_enable_micbias1, + SND_SOC_DAPM_POST_PMU), + SND_SOC_DAPM_SUPPLY("MIC_BIAS2", CDC_A_MICB_2_EN, 7, 0, + pm8916_wcd_analog_enable_micbias2, + SND_SOC_DAPM_POST_PMU), + + SND_SOC_DAPM_SUPPLY("MIC BIAS External1", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("MIC BIAS External2", SND_SOC_NOPM, 0, 0, NULL, 0), + + SND_SOC_DAPM_SUPPLY("MIC BIAS Internal1", CDC_A_MICB_1_INT_RBIAS, 7, 0, + pm8916_wcd_analog_enable_micbias_int, + SND_SOC_DAPM_PRE_PMU), + SND_SOC_DAPM_SUPPLY("MIC BIAS Internal2", CDC_A_MICB_1_INT_RBIAS, 4, 0, pm8916_wcd_analog_enable_micbias_int2, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), - SND_SOC_DAPM_SUPPLY("MIC BIAS External1", CDC_A_MICB_1_EN, 7, 0, - pm8916_wcd_analog_enable_micbias_ext1, - SND_SOC_DAPM_POST_PMU), - SND_SOC_DAPM_SUPPLY("MIC BIAS External2", CDC_A_MICB_2_EN, 7, 0, - pm8916_wcd_analog_enable_micbias_ext2, - SND_SOC_DAPM_POST_PMU), - SND_SOC_DAPM_ADC_E("ADC1", NULL, CDC_A_TX_1_EN, 7, 0, pm8916_wcd_analog_enable_adc, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | -- 2.24.1 _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel