From patchwork Mon Sep 7 10:00:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cheng-yi Chiang X-Patchwork-Id: 11760359 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9911759D for ; Mon, 7 Sep 2020 10:01:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C429216C4 for ; Mon, 7 Sep 2020 10:01:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="H7LU0cWV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728632AbgIGKBR (ORCPT ); Mon, 7 Sep 2020 06:01:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58076 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728621AbgIGKBL (ORCPT ); Mon, 7 Sep 2020 06:01:11 -0400 Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 21EC8C061574 for ; Mon, 7 Sep 2020 03:01:11 -0700 (PDT) Received: by mail-pg1-x541.google.com with SMTP id v15so7809842pgh.6 for ; Mon, 07 Sep 2020 03:01:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=wd2LEFWjK0hTZW5wh6FLMbT8PjGZ5hIr9mxrP+YrFfw=; b=H7LU0cWVVbxej3Bxa462x0qw1ZuSp36NOHIW1abtmae9CZPtAUtQM9idr1wgmVJm8K 7L7ZnMND2Ifth2SaEfkOkaHgvzj+gbeJFElBzl7vxrRno8tqEDuySBTIBAHEReLNRGU5 F7KVv1uHMaM6/dJja89BAszihQoTtgkLoRUz8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=wd2LEFWjK0hTZW5wh6FLMbT8PjGZ5hIr9mxrP+YrFfw=; b=FNSfrkAlc9Xvgt9vty2lt1Eho56HkOi2e8rjTwy/bpk0xanRR9jBi/Snc+3zfIIRgV nnElVQXnFcDi+J0D61gC1Tl1zyVhVHEU/hLUqUO7IF3w1gwa6Ojuc5cRSC6HdATQUcYx jzheUPbIB/8bBbOI79560J1jzyh7qOENaBbQAR2azi5Muz+oXlW6OJ8EuH8dL78nf4G/ Cm/CkFEDm26HA0ZtBGNGW3kjugsO+ktSdXksa/PDhJsk6dDMAPXz42qEtXuMuzTn8zne MqL44zCQBk7OIhUMjUCNYpA6tpBCR/C7PFhQqAhdGfvCSJom3kTC66v4tWj5O5H2bTOM Y9nA== X-Gm-Message-State: AOAM530MSOwUAL+76HQri2wEjbRc1CCaRQGGJJuxVjfKf8P4srCUeDDP CagY7guy0p3mzX3FtxQ4SDK5Xw== X-Google-Smtp-Source: ABdhPJw5j9uzbrrAJ6+d725gUBxfIjtVv0GyndMGjGYwDO0qByOVL20MJgam73KY7Mk4e3oz0s0vHg== X-Received: by 2002:a62:e107:0:b029:13c:1611:658b with SMTP id q7-20020a62e1070000b029013c1611658bmr17926105pfh.8.1599472870588; Mon, 07 Sep 2020 03:01:10 -0700 (PDT) Received: from localhost ([2401:fa00:1:10:de4a:3eff:fe7d:d39c]) by smtp.gmail.com with ESMTPSA id 64sm7977963pgi.90.2020.09.07.03.01.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 07 Sep 2020 03:01:09 -0700 (PDT) From: Cheng-Yi Chiang To: linux-kernel@vger.kernel.org Cc: Mark Brown , Taniya Das , Rohit kumar , Banajit Goswami , Patrick Lai , Andy Gross , Bjorn Andersson , Liam Girdwood , Rob Herring , Jaroslav Kysela , Takashi Iwai , Srini Kandagatla , Stephan Gerhold , Matthias Brugger , Heiko Stuebner , dianders@chromium.org, dgreid@chromium.org, tzungbi@chromium.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, Ajit Pandey , Cheng-Yi Chiang , Tzung-Bi Shih Subject: [PATCH v7 3/3] ASoC: qcom: sc7180: Add machine driver for sound card registration Date: Mon, 7 Sep 2020 18:00:39 +0800 Message-Id: <20200907100039.1731457-4-cychiang@chromium.org> X-Mailer: git-send-email 2.28.0.526.ge36021eeef-goog In-Reply-To: <20200907100039.1731457-1-cychiang@chromium.org> References: <20200907100039.1731457-1-cychiang@chromium.org> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Ajit Pandey Add new driver to register sound card on sc7180 trogdor board and do the required configuration for lpass cpu dai and external codecs connected over MI2S interfaces. Signed-off-by: Ajit Pandey Signed-off-by: Cheng-Yi Chiang Reviewed-by: Tzung-Bi Shih --- sound/soc/qcom/Kconfig | 12 ++ sound/soc/qcom/Makefile | 2 + sound/soc/qcom/sc7180.c | 288 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 302 insertions(+) create mode 100644 sound/soc/qcom/sc7180.c diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index a607ace8b089..0459185ee243 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -116,4 +116,16 @@ config SND_SOC_SDM845 SDM845 SoC-based systems. Say Y if you want to use audio device on this SoCs. +config SND_SOC_SC7180 + tristate "SoC Machine driver for SC7180 boards" + depends on I2C + select SND_SOC_QCOM_COMMON + select SND_SOC_LPASS_SC7180 + select SND_SOC_MAX98357A + select SND_SOC_RT5682_I2C + help + To add support for audio on Qualcomm Technologies Inc. + SC7180 SoC-based systems. + Say Y if you want to use audio device on this SoCs. + endif #SND_SOC_QCOM diff --git a/sound/soc/qcom/Makefile b/sound/soc/qcom/Makefile index 7972c9479ab0..0cdcbf367ef1 100644 --- a/sound/soc/qcom/Makefile +++ b/sound/soc/qcom/Makefile @@ -17,12 +17,14 @@ snd-soc-storm-objs := storm.o snd-soc-apq8016-sbc-objs := apq8016_sbc.o snd-soc-apq8096-objs := apq8096.o snd-soc-sdm845-objs := sdm845.o +snd-soc-sc7180-objs := sc7180.o snd-soc-qcom-common-objs := common.o obj-$(CONFIG_SND_SOC_STORM) += snd-soc-storm.o obj-$(CONFIG_SND_SOC_APQ8016_SBC) += snd-soc-apq8016-sbc.o obj-$(CONFIG_SND_SOC_MSM8996) += snd-soc-apq8096.o obj-$(CONFIG_SND_SOC_SDM845) += snd-soc-sdm845.o +obj-$(CONFIG_SND_SOC_SC7180) += snd-soc-sc7180.o obj-$(CONFIG_SND_SOC_QCOM_COMMON) += snd-soc-qcom-common.o #DSP lib diff --git a/sound/soc/qcom/sc7180.c b/sound/soc/qcom/sc7180.c new file mode 100644 index 000000000000..175a2f36842c --- /dev/null +++ b/sound/soc/qcom/sc7180.c @@ -0,0 +1,288 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2020, The Linux Foundation. All rights reserved. +// +// sc7180.c -- ALSA SoC Machine driver for SC7180 + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "../codecs/rt5682.h" +#include "common.h" +#include "lpass.h" + +#define DEFAULT_SAMPLE_RATE_48K 48000 +#define DEFAULT_MCLK_RATE 19200000 +#define RT5682_PLL1_FREQ (48000 * 512) + +struct sc7180_snd_data { + u32 pri_mi2s_clk_count; + struct snd_soc_jack hs_jack; + struct device_node *hs_jack_of_node; + struct snd_soc_jack hdmi_jack; + struct device_node *hdmi_jack_of_node; +}; + +static void sc7180_jack_free(struct snd_jack *jack) +{ + struct snd_soc_component *component = jack->private_data; + + snd_soc_component_set_jack(component, NULL, NULL); +} + +static int sc7180_headset_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + struct sc7180_snd_data *pdata = snd_soc_card_get_drvdata(card); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + struct snd_soc_component *component = codec_dai->component; + struct snd_jack *jack; + int rval; + + rval = snd_soc_card_jack_new( + card, "Headset Jack", + SND_JACK_HEADSET | + SND_JACK_HEADPHONE | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3, + &pdata->hs_jack, NULL, 0); + + if (rval < 0) { + dev_err(card->dev, "Unable to add Headset Jack\n"); + return rval; + } + + jack = pdata->hs_jack.jack; + + snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); + snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); + snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP); + snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); + + jack->private_data = component; + jack->private_free = sc7180_jack_free; + + return snd_soc_component_set_jack(component, &pdata->hs_jack, NULL); +} + +static int sc7180_hdmi_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + struct sc7180_snd_data *pdata = snd_soc_card_get_drvdata(card); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + struct snd_soc_component *component = codec_dai->component; + struct snd_jack *jack; + int rval; + + rval = snd_soc_card_jack_new( + card, "HDMI Jack", + SND_JACK_LINEOUT, + &pdata->hdmi_jack, NULL, 0); + + if (rval < 0) { + dev_err(card->dev, "Unable to add HDMI Jack\n"); + return rval; + } + + jack = pdata->hdmi_jack.jack; + jack->private_data = component; + jack->private_free = sc7180_jack_free; + + return snd_soc_component_set_jack(component, &pdata->hdmi_jack, NULL); +} + +static int sc7180_snd_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_card *card = rtd->card; + struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card); + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + int ret; + + switch (cpu_dai->id) { + case MI2S_PRIMARY: + if (++data->pri_mi2s_clk_count == 1) { + snd_soc_dai_set_sysclk(cpu_dai, + LPASS_MCLK0, + DEFAULT_MCLK_RATE, + SNDRV_PCM_STREAM_PLAYBACK); + } + + snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_CBS_CFS | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_I2S); + + /* Configure PLL1 for codec */ + ret = snd_soc_dai_set_pll(codec_dai, 0, RT5682_PLL1_S_MCLK, + DEFAULT_MCLK_RATE, RT5682_PLL1_FREQ); + if (ret) { + dev_err(rtd->dev, "can't set codec pll: %d\n", ret); + return ret; + } + + /* Configure sysclk for codec */ + ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1, + RT5682_PLL1_FREQ, + SND_SOC_CLOCK_IN); + if (ret) + dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", + ret); + + break; + case MI2S_SECONDARY: + break; + case HDMI: + break; + default: + dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__, + cpu_dai->id); + return -EINVAL; + } + return 0; +} + +static void sc7180_snd_shutdown(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_card *card = rtd->card; + struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card); + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + + switch (cpu_dai->id) { + case MI2S_PRIMARY: + if (--data->pri_mi2s_clk_count == 0) { + snd_soc_dai_set_sysclk(cpu_dai, + LPASS_MCLK0, + 0, + SNDRV_PCM_STREAM_PLAYBACK); + } + break; + case MI2S_SECONDARY: + break; + case HDMI: + break; + default: + dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__, + cpu_dai->id); + break; + } +} + +static const struct snd_soc_ops sc7180_ops = { + .startup = sc7180_snd_startup, + .shutdown = sc7180_snd_shutdown, +}; + +static const struct snd_soc_dapm_widget sc7180_snd_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), +}; + +static struct snd_soc_card sc7180_card = { + .owner = THIS_MODULE, + .dapm_widgets = sc7180_snd_widgets, + .num_dapm_widgets = ARRAY_SIZE(sc7180_snd_widgets), +}; + +static int sc7180_parse_headset_jack_of(struct sc7180_snd_data *data, struct device *dev) +{ + data->hs_jack_of_node = of_parse_phandle(dev->of_node, "headset-jack", 0); + if (!data->hs_jack_of_node) + return -EINVAL; + return 0; +} + +static int sc7180_parse_hdmi_jack_of(struct sc7180_snd_data *data, struct device *dev) +{ + data->hdmi_jack_of_node = of_parse_phandle( + dev->of_node, "hdmi-jack", 0); + if (!data->hdmi_jack_of_node) + return -EINVAL; + return 0; +} + +static void sc7180_add_ops(struct snd_soc_card *card) +{ + struct snd_soc_dai_link *link; + int i; + struct sc7180_snd_data *pdata = snd_soc_card_get_drvdata(card); + + for_each_card_prelinks(card, i, link) { + link->ops = &sc7180_ops; + if (link->codecs && + link->codecs->of_node == pdata->hs_jack_of_node) { + link->init = sc7180_headset_init; + } + if (link->codecs && + link->codecs->of_node == pdata->hdmi_jack_of_node) { + link->init = sc7180_hdmi_init; + } + } +} + +static int sc7180_snd_platform_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &sc7180_card; + struct sc7180_snd_data *data; + struct device *dev = &pdev->dev; + int ret; + + /* Allocate the private data */ + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + card->dev = dev; + + ret = qcom_snd_parse_of(card); + if (ret) { + dev_err(dev, "Error parsing OF data\n"); + return ret; + } + + snd_soc_card_set_drvdata(card, data); + + ret = sc7180_parse_headset_jack_of(data, dev); + if (ret) { + dev_err(dev, "Failed to parse OF for headset jack device\n"); + return ret; + } + + ret = sc7180_parse_hdmi_jack_of(data, dev); + if (ret) { + dev_err(dev, "Failed to parse OF for hdmi jack device\n"); + return ret; + } + + sc7180_add_ops(card); + + return devm_snd_soc_register_card(dev, card); +} + +static const struct of_device_id sc7180_snd_device_id[] = { + { .compatible = "qcom,sc7180-sndcard" }, + {}, +}; +MODULE_DEVICE_TABLE(of, sc7180_snd_device_id); + +static struct platform_driver sc7180_snd_driver = { + .probe = sc7180_snd_platform_probe, + .driver = { + .name = "msm-snd-sc7180", + .of_match_table = sc7180_snd_device_id, + }, +}; +module_platform_driver(sc7180_snd_driver); + +MODULE_DESCRIPTION("sc7180 ASoC Machine Driver"); +MODULE_LICENSE("GPL v2");