From patchwork Thu May 21 21:53:37 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivas Kandagatla X-Patchwork-Id: 6460291 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id ECD519F318 for ; Thu, 21 May 2015 21:58:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C508F20527 for ; Thu, 21 May 2015 21:58:38 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 3EACF2041A for ; Thu, 21 May 2015 21:58:37 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 27DF3265AA7; Thu, 21 May 2015 23:58:36 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id EDC5A2659A2; Thu, 21 May 2015 23:56:05 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 8434C265AD0; Thu, 21 May 2015 23:56:04 +0200 (CEST) Received: from mail-wg0-f49.google.com (mail-wg0-f49.google.com [74.125.82.49]) by alsa0.perex.cz (Postfix) with ESMTP id 0914126598F for ; Thu, 21 May 2015 23:53:42 +0200 (CEST) Received: by wgfl8 with SMTP id l8so625862wgf.2 for ; Thu, 21 May 2015 14:53:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=o2dtzgpiY50A7kZxQnEGvJUPGnEaciZyKtmS8Kef/vo=; b=LkiKfO95jYUG0zjAb4OGSqno88mjl/RLNUZTadBsiUetJmBaK00+t1uUYuB4j+Wn+y iwJIgW1+RoiBg4PuLml+kgdzyqPm78C9SZvQi2Jw5yEodA6nzKPMibx9ViIvsxYCMdDe CLiSVv9bWl/6k3XBHoCctjfuoO2q20lxTJTZj/2nLuIXnIE+Y7gvAA1J7gX5IpcZgl0H EQJEpASeuv073abvApFwRo7twlTGUJx9tzIQmNlaAtmXk4xPGaxY5nL4GkTYb9Id3ZoH PzdSyBNuw1n2y6FR01gJCFqgdfsG+XvDvGC/IVZW9dL4/p0ybtwS+yisx5vMfz4CRFZ8 /bAw== X-Gm-Message-State: ALoCoQklZWzmquYj8whCSZVM0xIxS7HkNYvjSoGtOUv3+Zks2IpTUAdU1C7Kpa+uj7FYm9z3tCfB X-Received: by 10.194.238.193 with SMTP id vm1mr9040525wjc.57.1432245221768; Thu, 21 May 2015 14:53:41 -0700 (PDT) Received: from srini-ThinkPad-X1-Carbon-2nd.dlink.com (host-2-96-95-164.as13285.net. [2.96.95.164]) by mx.google.com with ESMTPSA id fm8sm4538491wib.9.2015.05.21.14.53.39 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 21 May 2015 14:53:41 -0700 (PDT) From: Srinivas Kandagatla To: Patrick Lai , Mark Brown Date: Thu, 21 May 2015 22:53:37 +0100 Message-Id: <1432245217-9322-1-git-send-email-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1432245125-8939-1-git-send-email-srinivas.kandagatla@linaro.org> References: <1432245125-8939-1-git-send-email-srinivas.kandagatla@linaro.org> Cc: devicetree@vger.kernel.org, Kenneth Westfield , Banajit Goswami , Pawel Moll , Ian Campbell , Takashi Iwai , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Liam Girdwood , Rob Herring , Srinivas Kandagatla , Kumar Gala , alsa-devel@alsa-project.org Subject: [alsa-devel] [PATCH v3 08/10] ASoC: qcom: add apq8016 sound card support X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 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: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds apq8016 machine driver support. This patch was tested on two apq8016-sbc and msm8916-mtp board for both hdmi and analog audio features. Tested-by: Kenneth Westfield Acked-by: Kenneth Westfield Signed-off-by: Srinivas Kandagatla --- sound/soc/qcom/Kconfig | 9 ++ sound/soc/qcom/Makefile | 2 + sound/soc/qcom/apq8016_sbc.c | 215 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 226 insertions(+) create mode 100644 sound/soc/qcom/apq8016_sbc.c diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index eb2447b..43b1f8c 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -34,3 +34,12 @@ config SND_SOC_STORM help Say Y or M if you want add support for SoC audio on the Qualcomm Technologies IPQ806X-based Storm board. + +config SND_SOC_APQ8016_SBC + tristate "SoC Audio support for APQ8016 SBC platforms" + depends on (ARCH_QCOM && SND_SOC_QCOM) || COMPILE_TEST + select SND_SOC_LPASS_APQ8016 + help + Support for Qualcomm Technologies LPASS audio block in + APQ8016 SOC-based systems. + Say Y if you want to use audio devices on MI2S diff --git a/sound/soc/qcom/Makefile b/sound/soc/qcom/Makefile index ac76308..79e5c50 100644 --- a/sound/soc/qcom/Makefile +++ b/sound/soc/qcom/Makefile @@ -11,5 +11,7 @@ obj-$(CONFIG_SND_SOC_LPASS_APQ8016) += snd-soc-lpass-apq8016.o # Machine snd-soc-storm-objs := storm.o +snd-soc-apq8016-sbc-objs := apq8016_sbc.o obj-$(CONFIG_SND_SOC_STORM) += snd-soc-storm.o +obj-$(CONFIG_SND_SOC_APQ8016_SBC) += snd-soc-apq8016-sbc.o diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c new file mode 100644 index 0000000..8958633 --- /dev/null +++ b/sound/soc/qcom/apq8016_sbc.c @@ -0,0 +1,215 @@ +/* + * Copyright (c) 2015 The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +struct apq8016_sbc_data { + void __iomem *mic_iomux; + void __iomem *spkr_iomux; + struct snd_soc_dai_link dai_link[]; /* dynamically allocated */ +}; + +#define MIC_CTRL_QUA_WS_SLAVE_SEL_10 BIT(17) +#define MIC_CTRL_TLMM_SCLK_EN BIT(1) +#define SPKR_CTL_PRI_WS_SLAVE_SEL_11 (BIT(17) | BIT(16)) + +static int apq8016_sbc_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_card *card = rtd->card; + struct apq8016_sbc_data *pdata = snd_soc_card_get_drvdata(card); + + if (cpu_dai->id == MI2S_QUATERNARY) { + /* Configure the Quat MI2S to TLMM */ + writel(readl(pdata->mic_iomux) | + MIC_CTRL_QUA_WS_SLAVE_SEL_10 | + MIC_CTRL_TLMM_SCLK_EN, + pdata->mic_iomux); + + return 0; + } else if (cpu_dai->id == MI2S_PRIMARY) { + writel(readl(pdata->spkr_iomux) | + SPKR_CTL_PRI_WS_SLAVE_SEL_11, + pdata->spkr_iomux); + + return 0; + } + + dev_err(card->dev, "unsupported cpu dai configuration\n"); + + return -EINVAL; +} + +static struct snd_soc_ops apq8016_sbc_soc_ops = { + .startup = apq8016_sbc_startup, +}; + +static struct apq8016_sbc_data *apq8016_sbc_parse_of(struct snd_soc_card *card) +{ + int num_links; + struct device *dev = card->dev; + struct snd_soc_dai_link *dai_link; + struct device_node *np, *codec, *cpu, *node = dev->of_node; + struct apq8016_sbc_data *data; + char *name; + int ret; + + /* Populate links */ + num_links = of_get_child_count(node); + + /* Allocate the private data and the DAI link array */ + data = devm_kzalloc(dev, sizeof(*data) + sizeof(*dai_link) * num_links, + GFP_KERNEL); + if (!data) + return ERR_PTR(-ENOMEM); + + card->dai_link = &data->dai_link[0]; + card->num_links = num_links; + + dai_link = data->dai_link; + + for_each_child_of_node(node, np) { + cpu = of_get_child_by_name(np, "cpu"); + codec = of_get_child_by_name(np, "codec"); + + if (!cpu || !codec) { + dev_err(dev, "Can't find cpu/codec DT node\n"); + return ERR_PTR(-EINVAL); + } + + dai_link->cpu_of_node = of_parse_phandle(cpu, "sound-dai", 0); + if (!dai_link->cpu_of_node) { + dev_err(card->dev, "error getting cpu phandle\n"); + return ERR_PTR(-EINVAL); + } + + dai_link->codec_of_node = of_parse_phandle(codec, + "sound-dai", + 0); + if (!dai_link->codec_of_node) { + dev_err(card->dev, "error getting codec phandle\n"); + return ERR_PTR(-EINVAL); + } + + ret = snd_soc_of_get_dai_name(cpu, &dai_link->cpu_dai_name); + if (ret) { + dev_err(card->dev, "error getting cpu dai name\n"); + return ERR_PTR(ret); + } + + ret = snd_soc_of_get_dai_name(codec, &dai_link->codec_dai_name); + if (ret) { + dev_err(card->dev, "error getting codec dai name\n"); + return ERR_PTR(ret); + } + + dai_link->platform_of_node = dai_link->cpu_of_node; + /* For now we only support playback */ + dai_link->playback_only = true; + + if (of_property_read_bool(np, "external")) + name = "HDMI"; + + else + name = "Headset"; + + dai_link->ops = &apq8016_sbc_soc_ops; + dai_link->name = dai_link->stream_name = name; + + dai_link++; + } + + return data; +} + +static int apq8016_sbc_platform_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct snd_soc_card *card; + struct apq8016_sbc_data *data; + struct resource *res; + int ret; + + card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); + if (!card) + return -ENOMEM; + + card->dev = dev; + data = apq8016_sbc_parse_of(card); + if (IS_ERR(data)) { + dev_err(&pdev->dev, "Error resolving dai links: %ld\n", + PTR_ERR(data)); + return PTR_ERR(data); + } + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mic-iomux"); + data->mic_iomux = devm_ioremap_resource(dev, res); + if (IS_ERR(data->mic_iomux)) + return PTR_ERR(data->mic_iomux); + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "spkr-iomux"); + data->spkr_iomux = devm_ioremap_resource(dev, res); + if (IS_ERR(data->spkr_iomux)) + return PTR_ERR(data->spkr_iomux); + + platform_set_drvdata(pdev, data); + snd_soc_card_set_drvdata(card, data); + + ret = snd_soc_of_parse_card_name(card, "qcom,model"); + if (ret) { + dev_err(&pdev->dev, "Error parsing card name: %d\n", ret); + return ret; + } + + ret = devm_snd_soc_register_card(&pdev->dev, card); + if (ret == -EPROBE_DEFER) { + card->dev = NULL; + return ret; + } else if (ret) { + dev_err(&pdev->dev, "Error registering soundcard: %d\n", ret); + return ret; + } + + return 0; +} + +static const struct of_device_id apq8016_sbc_device_id[] = { + { .compatible = "qcom,apq8016-sbc-sndcard" }, + {}, +}; +MODULE_DEVICE_TABLE(of, apq8016_sbc_device_id); + +static struct platform_driver apq8016_sbc_platform_driver = { + .driver = { + .name = "qcom-apq8016-sbc", + .of_match_table = of_match_ptr(apq8016_sbc_device_id), + }, + .probe = apq8016_sbc_platform_probe, +}; +module_platform_driver(apq8016_sbc_platform_driver); + +MODULE_AUTHOR("Srinivas Kandagatla