From patchwork Wed Jun 10 12:15:54 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivas Kandagatla X-Patchwork-Id: 6578921 X-Patchwork-Delegate: agross@codeaurora.org Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 4ABE2C0020 for ; Wed, 10 Jun 2015 12:16:24 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 23CBE205E4 for ; Wed, 10 Jun 2015 12:16:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D2A9220600 for ; Wed, 10 Jun 2015 12:16:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933433AbbFJMQU (ORCPT ); Wed, 10 Jun 2015 08:16:20 -0400 Received: from mail-wi0-f179.google.com ([209.85.212.179]:38264 "EHLO mail-wi0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933292AbbFJMP7 (ORCPT ); Wed, 10 Jun 2015 08:15:59 -0400 Received: by wibdq8 with SMTP id dq8so45338607wib.1 for ; Wed, 10 Jun 2015 05:15:58 -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=7Dok/GHNaAOZuCBBYFHHkbvGvAPzmbKIO4zGe+vCMPM=; b=Yt51cj0XV0vxe+pGPOxUhD1Jv7mzjkp0q+YCUQHKouzTxzXPKLdNtm8tCHEvLeIBHA 6aRq35TAoYgjnt5YfbCfziz+gUHpTUgPZ5CWrJL/BKFSoW6/URJtudKQGJFKJngxmBrC 2uXsdstA/v0g8NcTfXdib0ieCn/PzFiJNufKvxuWdJDRpJzI5GCOBOmCmVSICgVtD5aL PbJJDq6T6X2nWUE8n00bZWFeCqlqhlyomqW95hkCAIq98x7MMr4D2ZWNbdIyPpnFGNmd X228iWc3WiDTqQ+/2yWcz9V6wpRpRbWFewKoJDQMFQxvzVe34YA5IqQOumc5vQEgZIa9 uvFA== X-Gm-Message-State: ALoCoQkh6qBGkQ/jouq/FCGTEeH5eWZnTTZatuAJNjDVzJ+IQlv+SOVylw3yxtWjuaK4d/IXjqPO X-Received: by 10.181.13.199 with SMTP id fa7mr8079285wid.38.1433938557910; Wed, 10 Jun 2015 05:15:57 -0700 (PDT) Received: from srini-ThinkPad-X1-Carbon-2nd.dlink.com (host-2-99-231-135.as13285.net. [2.99.231.135]) by mx.google.com with ESMTPSA id cd9sm14278298wjc.34.2015.06.10.05.15.56 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 10 Jun 2015 05:15:57 -0700 (PDT) From: Srinivas Kandagatla To: Mark Brown , alsa-devel@alsa-project.org Cc: Rob Herring , Patrick Lai , Banajit Goswami , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kwestfie@codeaurora.org, linux-arm-msm@vger.kernel.org, Srinivas Kandagatla Subject: [PATCH v6 2/2] ASoC: qcom: add apq8016 sound card support Date: Wed, 10 Jun 2015 13:15:54 +0100 Message-Id: <1433938554-18126-1-git-send-email-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1433938505-18006-1-git-send-email-srinivas.kandagatla@linaro.org> References: <1433938505-18006-1-git-send-email-srinivas.kandagatla@linaro.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds apq8016 machine driver support. This patch is tested on DB410c and msm8916-mtp board for both hdmi and analog audio features. 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 | 198 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 209 insertions(+) create mode 100644 sound/soc/qcom/apq8016_sbc.c diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index 938144c..807fedf 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -32,3 +32,12 @@ 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 SND_SOC_QCOM && (ARCH_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..1efdf00 --- /dev/null +++ b/sound/soc/qcom/apq8016_sbc.c @@ -0,0 +1,198 @@ +/* + * 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_dai_init(struct snd_soc_pcm_runtime *rtd) +{ + 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); + int rval = 0; + + switch (cpu_dai->id) { + case MI2S_PRIMARY: + writel(readl(pdata->spkr_iomux) | SPKR_CTL_PRI_WS_SLAVE_SEL_11, + pdata->spkr_iomux); + break; + + case 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); + break; + + default: + dev_err(card->dev, "unsupported cpu dai configuration\n"); + rval = -EINVAL; + break; + + } + + return rval; +} + +static struct apq8016_sbc_data *apq8016_sbc_parse_of(struct snd_soc_card *card) +{ + struct device *dev = card->dev; + struct snd_soc_dai_link *link; + struct device_node *np, *codec, *cpu, *node = dev->of_node; + struct apq8016_sbc_data *data; + int ret, num_links; + + ret = snd_soc_of_parse_card_name(card, "qcom,model"); + if (ret) { + dev_err(dev, "Error parsing card name: %d\n", ret); + return ERR_PTR(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(*link) * num_links, + GFP_KERNEL); + if (!data) + return ERR_PTR(-ENOMEM); + + card->dai_link = &data->dai_link[0]; + card->num_links = num_links; + + 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); + } + + link->cpu_of_node = of_parse_phandle(cpu, "sound-dai", 0); + if (!link->cpu_of_node) { + dev_err(card->dev, "error getting cpu phandle\n"); + return ERR_PTR(-EINVAL); + } + + link->codec_of_node = of_parse_phandle(codec, "sound-dai", 0); + if (!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, &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, &link->codec_dai_name); + if (ret) { + dev_err(card->dev, "error getting codec dai name\n"); + return ERR_PTR(ret); + } + + link->platform_of_node = link->cpu_of_node; + /* For now we only support playback */ + link->playback_only = true; + + ret = of_property_read_string(np, "link-name", &link->name); + if (ret) { + dev_err(card->dev, "error getting codec dai_link name\n"); + return ERR_PTR(ret); + } + + link->stream_name = link->name; + link->init = apq8016_sbc_dai_init; + 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; + + 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); + + return devm_snd_soc_register_card(&pdev->dev, card); +} + +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