From patchwork Fri Aug 24 14:01:40 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lee Jones X-Patchwork-Id: 10932 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 D514623E1B for ; Fri, 24 Aug 2012 14:02:21 +0000 (UTC) Received: from mail-iy0-f180.google.com (mail-iy0-f180.google.com [209.85.210.180]) by fiordland.canonical.com (Postfix) with ESMTP id 93D10A1893D for ; Fri, 24 Aug 2012 14:02:03 +0000 (UTC) Received: by mail-iy0-f180.google.com with SMTP id j25so1165259iaf.11 for ; Fri, 24 Aug 2012 07:02:20 -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=LQAAKpWMgI5fS1kng/asFLuY6bcIZzMxBgrOpoIhcVA=; b=Szy8HaOco6daEau/BcTGKZ9YIBhZqPu9PbEPlj1EJ5fOH/55BpePKWGt9v8z9e/Rc6 9xl+RnzF7I8m7O96ubf58/uxTYiTvHKE7PDXOkp7cqhwizpETmZKwzzMuYxlLh5v/+is 1cc3P+ofPKZ4f2vCxPIlQYwfP1+7C+PPD8ykL5H5DRnQzB5v9g2SuMUZoc5RaqONWbYu lUiuWtkSTsU5aUtNc9fBJig5nxxBJiRMF/USc+8c2j9JpU/nsuaQYkzmwbbBQiUZctjV URgAdwhkloiKlDC1BLyFzGZC1TuZVekk8P+Gn+iF8d+XXEvV2zQuSd1BXEvYJyI1y8vj HYUg== Received: by 10.50.182.161 with SMTP id ef1mr2340283igc.0.1345816940791; Fri, 24 Aug 2012 07:02:20 -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 10.50.184.232 with SMTP id ex8csp321598igc; Fri, 24 Aug 2012 07:02:19 -0700 (PDT) Received: by 10.216.203.154 with SMTP id f26mr2979509weo.104.1345816939082; Fri, 24 Aug 2012 07:02:19 -0700 (PDT) Received: from mail-wi0-f178.google.com (mail-wi0-f178.google.com [209.85.212.178]) by mx.google.com with ESMTPS id u8si5983973wia.35.2012.08.24.07.02.18 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 24 Aug 2012 07:02:19 -0700 (PDT) Received-SPF: neutral (google.com: 209.85.212.178 is neither permitted nor denied by best guess record for domain of lee.jones@linaro.org) client-ip=209.85.212.178; Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.212.178 is neither permitted nor denied by best guess record for domain of lee.jones@linaro.org) smtp.mail=lee.jones@linaro.org Received: by mail-wi0-f178.google.com with SMTP id hr14so704351wib.13 for ; Fri, 24 Aug 2012 07:02:18 -0700 (PDT) Received: by 10.180.106.137 with SMTP id gu9mr5766909wib.20.1345816938384; Fri, 24 Aug 2012 07:02:18 -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 eu4sm4556709wib.2.2012.08.24.07.02.16 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 24 Aug 2012 07:02:17 -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, ola.o.lilja@stericsson.com, roger.xr.nilsson@stericsson.com, alsa-devel@alsa-project.org, Lee Jones Subject: [PATCH 04/17] ASoC: codecs: Enable AB8500 CODEC for Device Tree Date: Fri, 24 Aug 2012 15:01:40 +0100 Message-Id: <1345816913-4113-5-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1345816913-4113-1-git-send-email-lee.jones@linaro.org> References: <1345816913-4113-1-git-send-email-lee.jones@linaro.org> X-Gm-Message-State: ALoCoQkKJbVx7A/tkqJNhvUVbE0315UjibH8zs1pA5IGKycwxqq8yVoUXcLKgsJyYI+En+wSb1DO 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 Acked-by: Ola Lilja Acked-by: Linus Walleij 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..99dffcf 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 && !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;