From patchwork Thu Aug 9 15:47:34 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lee Jones X-Patchwork-Id: 10628 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id 5012623E02 for ; Thu, 9 Aug 2012 15:48:25 +0000 (UTC) Received: from mail-gg0-f180.google.com (mail-gg0-f180.google.com [209.85.161.180]) by fiordland.canonical.com (Postfix) with ESMTP id 1FD6AA18A43 for ; Thu, 9 Aug 2012 15:48:25 +0000 (UTC) Received: by mail-gg0-f180.google.com with SMTP id f1so585844ggn.11 for ; Thu, 09 Aug 2012 08:48:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-forwarded-to:x-forwarded-for:delivered-to:received-spf:from:to:cc :subject:date:message-id:x-mailer:in-reply-to:references :x-gm-message-state; bh=h8T5A9BrX6qWa2Kmxskrd4Z0/8QGnmYJ0OpZdIdXrms=; b=GypMxBu1EJxrrlsuLsZ7w/D6zmOPkYi3OObrZytKHstXsU8SC6et14GY11tWq72AQ1 YcjvmlJwZxSqqlsGwjSEmVyayimf8DJ+od4LTQGKUKGGwNpgTalI1YauK4/dU9dghWQz fPJ3QQTf8e+w3MB0J23cZIhk1UzFnAICMC5JVwnRRdJvDrIClSBJbnG6fYZDQNyNSrPt mW+WMxCNR5xKHe4j2UqQzwn6qAMe5zbXfxsLYQnAKFoEmg/NW7VM6R0ZlJhL18nquIyt IwSEhSESJnMEH2hHfFE9gyoh/9Qj0PBACAG9h78gLxvAVjAT1M/Hlb0T5pAasB29r0r/ GBew== Received: by 10.50.6.229 with SMTP id e5mr1609093iga.9.1344527304370; Thu, 09 Aug 2012 08:48:24 -0700 (PDT) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.50.184.200 with SMTP id ew8csp15247igc; Thu, 9 Aug 2012 08:48:23 -0700 (PDT) Received: by 10.216.85.149 with SMTP id u21mr4942824wee.147.1344527303042; Thu, 09 Aug 2012 08:48:23 -0700 (PDT) Received: from mail-we0-f178.google.com (mail-we0-f178.google.com [74.125.82.178]) by mx.google.com with ESMTPS id u6si1997427wee.28.2012.08.09.08.48.22 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 09 Aug 2012 08:48:23 -0700 (PDT) Received-SPF: neutral (google.com: 74.125.82.178 is neither permitted nor denied by best guess record for domain of lee.jones@linaro.org) client-ip=74.125.82.178; Authentication-Results: mx.google.com; spf=neutral (google.com: 74.125.82.178 is neither permitted nor denied by best guess record for domain of lee.jones@linaro.org) smtp.mail=lee.jones@linaro.org Received: by weyu7 with SMTP id u7so481065wey.37 for ; Thu, 09 Aug 2012 08:48:22 -0700 (PDT) Received: by 10.216.241.198 with SMTP id g48mr12405047wer.156.1344527302319; Thu, 09 Aug 2012 08:48:22 -0700 (PDT) Received: from localhost.localdomain (cpc1-aztw13-0-0-cust473.18-1.cable.virginmedia.com. [77.102.241.218]) by mx.google.com with ESMTPS id q4sm2278954wix.9.2012.08.09.08.48.20 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 09 Aug 2012 08:48:21 -0700 (PDT) From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: STEricsson_nomadik_linux@list.st.com, linus.walleij@stericsson.com, arnd@arndb.de, broonie@opensource.wolfsonmicro.com, Lee Jones , alsa-devel@alsa-project.org Subject: [PATCH 08/22] ASoC: codecs: Enable AB8500 CODEC for Device Tree Date: Thu, 9 Aug 2012 16:47:34 +0100 Message-Id: <1344527268-5964-9-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1344527268-5964-1-git-send-email-lee.jones@linaro.org> References: <1344527268-5964-1-git-send-email-lee.jones@linaro.org> X-Gm-Message-State: ALoCoQmxT6VvQyzdH/UnoY3cflcHqUe0V9Wyd9KrehJkDHtKvikCUvspo7PSVptcqnl4oRCvY7a8 We continue to allow the AB8500 CODEC to be registered via the AB8500 Multi Functional Device API, only this time we extract its configuration from the Device Tree binary. CC: alsa-devel@alsa-project.org Signed-off-by: Lee Jones --- include/linux/mfd/abx500/ab8500-codec.h | 6 ++- sound/soc/codecs/ab8500-codec.c | 81 +++++++++++++++++++++++++++++++ 2 files changed, 85 insertions(+), 2 deletions(-) diff --git a/include/linux/mfd/abx500/ab8500-codec.h b/include/linux/mfd/abx500/ab8500-codec.h index dc65292..d707941 100644 --- a/include/linux/mfd/abx500/ab8500-codec.h +++ b/include/linux/mfd/abx500/ab8500-codec.h @@ -23,7 +23,8 @@ enum amic_type { /* Mic-biases */ enum amic_micbias { AMIC_MICBIAS_VAMIC1, - AMIC_MICBIAS_VAMIC2 + AMIC_MICBIAS_VAMIC2, + AMIC_MICBIAS_UNKNOWN }; /* Bias-voltage */ @@ -31,7 +32,8 @@ enum ear_cm_voltage { EAR_CMV_0_95V, EAR_CMV_1_10V, EAR_CMV_1_27V, - EAR_CMV_1_58V + EAR_CMV_1_58V, + EAR_CMV_UNKNOWN }; /* Analog microphone settings */ diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c index 23b4018..fa80961 100644 --- a/sound/soc/codecs/ab8500-codec.c +++ b/sound/soc/codecs/ab8500-codec.c @@ -34,6 +34,7 @@ #include #include #include +#include #include #include @@ -2394,9 +2395,65 @@ struct snd_soc_dai_driver ab8500_codec_dai[] = { } }; +static void ab8500_codec_of_probe(struct device *dev, struct device_node *np, + struct ab8500_codec_platform_data *codec) +{ + u32 value; + + if (of_get_property(np, "stericsson,amic1-type-single-ended", NULL)) + codec->amics.mic1_type = AMIC_TYPE_SINGLE_ENDED; + else + codec->amics.mic1_type = AMIC_TYPE_DIFFERENTIAL; + + if (of_get_property(np, "stericsson,amic2-type-single-ended", NULL)) + codec->amics.mic2_type = AMIC_TYPE_SINGLE_ENDED; + else + codec->amics.mic2_type = AMIC_TYPE_DIFFERENTIAL; + + /* Has a non-standard Vamic been requested? */ + if (of_get_property(np, "stericsson,amic1a-bias-vamic2", NULL)) + codec->amics.mic1a_micbias = AMIC_MICBIAS_VAMIC2; + else + codec->amics.mic1a_micbias = AMIC_MICBIAS_VAMIC1; + + if (of_get_property(np, "stericsson,amic1b-bias-vamic2", NULL)) + codec->amics.mic1b_micbias = AMIC_MICBIAS_VAMIC2; + else + codec->amics.mic1b_micbias = AMIC_MICBIAS_VAMIC1; + + if (of_get_property(np, "stericsson,amic2-bias-vamic1", NULL)) + codec->amics.mic2_micbias = AMIC_MICBIAS_VAMIC1; + else + codec->amics.mic2_micbias = AMIC_MICBIAS_VAMIC2; + + if (!of_property_read_u32(np, "stericsson,earpeice-cmv", &value)) { + switch (value) { + case 950 : + codec->ear_cmv = EAR_CMV_0_95V; + break; + case 1100 : + codec->ear_cmv = EAR_CMV_1_10V; + break; + case 1270 : + codec->ear_cmv = EAR_CMV_1_27V; + break; + case 1580 : + codec->ear_cmv = EAR_CMV_1_58V; + break; + default : + codec->ear_cmv = EAR_CMV_UNKNOWN; + dev_err(dev, "Unsuitable earpiece voltage found in DT\n"); + } + } else { + dev_warn(dev, "No earpiece voltage found in DT - using default\n"); + codec->ear_cmv = EAR_CMV_0_95V; + } +} + static int ab8500_codec_probe(struct snd_soc_codec *codec) { struct device *dev = codec->dev; + struct device_node *np = dev->of_node; struct ab8500_codec_drvdata *drvdata = dev_get_drvdata(dev); struct ab8500_platform_data *pdata; struct filter_control *fc; @@ -2407,6 +2464,30 @@ static int ab8500_codec_probe(struct snd_soc_codec *codec) /* Setup AB8500 according to board-settings */ pdata = (struct ab8500_platform_data *)dev_get_platdata(dev->parent); + if (np) { + if (!pdata) + pdata = devm_kzalloc(dev, + sizeof(struct ab8500_platform_data), + GFP_KERNEL); + + if (!pdata->codec) + pdata->codec + = devm_kzalloc(dev, + sizeof(struct ab8500_codec_platform_data), + GFP_KERNEL); + + if (!(pdata && pdata->codec)) + return -ENOMEM; + + ab8500_codec_of_probe(dev, np, pdata->codec); + + } else { + if (!(pdata && pdata->codec)) { + dev_err(dev, "No codec platform data or DT found\n"); + return -EINVAL; + } + } + /* Inform SoC Core that we have our own I/O arrangements. */ codec->control_data = (void *)true;