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Wed, 26 Aug 2020 04:05:09 -0700 (PDT) Received: from localhost ([2401:fa00:1:10:de4a:3eff:fe7d:d39c]) by smtp.gmail.com with ESMTPSA id o65sm2578660pfg.105.2020.08.26.04.05.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Aug 2020 04:05:09 -0700 (PDT) From: Cheng-Yi Chiang To: linux-kernel@vger.kernel.org Subject: [PATCH v6 1/2] ASoC: qcom: dt-bindings: Add sc7180 machine bindings Date: Wed, 26 Aug 2020 19:04:53 +0800 Message-Id: <20200826110454.1811352-2-cychiang@chromium.org> X-Mailer: git-send-email 2.28.0.297.g1956fa8f8d-goog In-Reply-To: <20200826110454.1811352-1-cychiang@chromium.org> References: <20200826110454.1811352-1-cychiang@chromium.org> MIME-Version: 1.0 Cc: Taniya Das , devicetree@vger.kernel.org, tzungbi@chromium.org, Banajit Goswami , Stephan Gerhold , linux-arm-msm@vger.kernel.org, Patrick Lai , Takashi Iwai , Liam Girdwood , Rob Herring , Bjorn Andersson , alsa-devel@alsa-project.org, Andy Gross , Rohit kumar , Mark Brown , dianders@chromium.org, Srini Kandagatla , dgreid@chromium.org, linux-arm-kernel@lists.infradead.org, Cheng-Yi Chiang X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Add devicetree bindings documentation file for sc7180 sound card. Signed-off-by: Cheng-Yi Chiang Reviewed-by: Rob Herring --- .../bindings/sound/qcom,sc7180.yaml | 124 ++++++++++++++++++ 1 file changed, 124 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/qcom,sc7180.yaml diff --git a/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml new file mode 100644 index 000000000000..a85375974a4c --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml @@ -0,0 +1,124 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/qcom,sc7180.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies Inc. SC7180 ASoC sound card driver + +maintainers: + - Rohit kumar + - Cheng-Yi Chiang + +description: + This binding describes the SC7180 sound card which uses LPASS for audio. + +properties: + compatible: + const: qcom,sc7180-sndcard + + audio-routing: + $ref: /schemas/types.yaml#/definitions/non-unique-string-array + description: + A list of the connections between audio components. Each entry is a + pair of strings, the first being the connection's sink, the second + being the connection's source. + + model: + $ref: /schemas/types.yaml#/definitions/string + description: User specified audio sound card name + + aux-dev: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle of the codec for headset detection + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^dai-link(@[0-9])?$": + description: + Each subnode represents a dai link. Subnodes of each dai links would be + cpu/codec dais. + + type: object + + properties: + link-name: + description: Indicates dai-link name and PCM stream name. + $ref: /schemas/types.yaml#/definitions/string + maxItems: 1 + + reg: + description: dai link address. + + cpu: + description: Holds subnode which indicates cpu dai. + type: object + properties: + sound-dai: true + + codec: + description: Holds subnode which indicates codec dai. + type: object + properties: + sound-dai: true + + required: + - link-name + - cpu + - codec + + additionalProperties: false + +required: + - compatible + - model + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + + - | + sound { + compatible = "qcom,sc7180-sndcard"; + model = "sc7180-snd-card"; + + audio-routing = + "Headphone Jack", "HPOL", + "Headphone Jack", "HPOR"; + + aux-dev = <&alc5682>; + + #address-cells = <1>; + #size-cells = <0>; + + dai-link@0 { + link-name = "MultiMedia0"; + reg = <0>; + cpu { + sound-dai = <&lpass_cpu 0>; + }; + + codec { + sound-dai = <&alc5682 0>; + }; + }; + + dai-link@1 { + link-name = "MultiMedia1"; + reg = <1>; + cpu { + sound-dai = <&lpass_cpu 1>; + }; + + codec { + sound-dai = <&max98357a>; + }; + }; + }; From patchwork Wed Aug 26 11:04:54 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: 11737905 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 B5F0F13B1 for ; Wed, 26 Aug 2020 11:07:48 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 464FB2083B for ; Wed, 26 Aug 2020 11:07:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="tnPGYP+V"; 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Wed, 26 Aug 2020 04:05:16 -0700 (PDT) Received: from localhost ([2401:fa00:1:10:de4a:3eff:fe7d:d39c]) by smtp.gmail.com with ESMTPSA id x28sm431184pfq.62.2020.08.26.04.05.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Aug 2020 04:05:15 -0700 (PDT) From: Cheng-Yi Chiang To: linux-kernel@vger.kernel.org Subject: [PATCH v6 2/2] ASoC: qcom: sc7180: Add machine driver for sound card registration Date: Wed, 26 Aug 2020 19:04:54 +0800 Message-Id: <20200826110454.1811352-3-cychiang@chromium.org> X-Mailer: git-send-email 2.28.0.297.g1956fa8f8d-goog In-Reply-To: <20200826110454.1811352-1-cychiang@chromium.org> References: <20200826110454.1811352-1-cychiang@chromium.org> MIME-Version: 1.0 Cc: Taniya Das , alsa-devel@alsa-project.org, Banajit Goswami , Liam Girdwood , Rohit kumar , Cheng-Yi Chiang , Patrick Lai , Ajit Pandey , Tzung-Bi Shih , Andy Gross , dgreid@chromium.org, devicetree@vger.kernel.org, tzungbi@chromium.org, Stephan Gerhold , linux-arm-msm@vger.kernel.org, Rob Herring , Bjorn Andersson , linux-arm-kernel@lists.infradead.org, dianders@chromium.org, Takashi Iwai , Mark Brown , Srini Kandagatla X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" 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 | 244 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 258 insertions(+) create mode 100644 sound/soc/qcom/sc7180.c diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index a607ace8b089..63678b746299 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 SND_SOC_QCOM + select SND_SOC_QCOM_COMMON + select SND_SOC_LPASS_SC7180 + select SND_SOC_MAX98357A + select SND_SOC_RT5682 + 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..7849376f63ba --- /dev/null +++ b/sound/soc/qcom/sc7180.c @@ -0,0 +1,244 @@ +// 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 { + struct snd_soc_jack jack; + u32 pri_mi2s_clk_count; +}; + +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_component *component) +{ + struct snd_soc_card *card = component->card; + struct sc7180_snd_data *pdata = snd_soc_card_get_drvdata(card); + 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->jack, NULL, 0); + + if (rval < 0) { + dev_err(card->dev, "Unable to add Headset Jack\n"); + return rval; + } + + jack = pdata->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; + + rval = snd_soc_component_set_jack(component, + &pdata->jack, NULL); + if (rval != 0 && rval != -EOPNOTSUPP) { + dev_warn(card->dev, "Failed to set jack: %d\n", rval); + return rval; + } + + return 0; +} + +static struct snd_soc_aux_dev sc7180_headset_dev = { + .dlc = COMP_EMPTY(), + .init = sc7180_headset_init, +}; + +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; + 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; + 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, + .aux_dev = &sc7180_headset_dev, + .num_aux_devs = 1, + .dapm_widgets = sc7180_snd_widgets, + .num_dapm_widgets = ARRAY_SIZE(sc7180_snd_widgets), +}; + +static int sc7180_parse_aux_of(struct device *dev) +{ + sc7180_headset_dev.dlc.of_node = of_parse_phandle( + dev->of_node, "aux-dev", 0); + + if (!sc7180_headset_dev.dlc.of_node) + return -EINVAL; + return 0; +} + +static void sc7180_add_ops(struct snd_soc_card *card) +{ + struct snd_soc_dai_link *link; + int i; + + for_each_card_prelinks(card, i, link) + link->ops = &sc7180_ops; +} + +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); + + sc7180_add_ops(card); + + ret = sc7180_parse_aux_of(dev); + if (ret) { + dev_err(dev, "Failed to parse OF for jack device\n"); + return ret; + } + + 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");