From patchwork Mon Sep 13 13:17:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 12489355 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BF6EEC433FE for ; Mon, 13 Sep 2021 13:30:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AC58B61359 for ; Mon, 13 Sep 2021 13:30:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241105AbhIMNbk (ORCPT ); Mon, 13 Sep 2021 09:31:40 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:16386 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237034AbhIMNTa (ORCPT ); Mon, 13 Sep 2021 09:19:30 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1631539094; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=hkmPzR4AsqPbpdZBU8exJOxSC6xP8uqgtO6otQQiW/A=; b=Sc/S0VyJ7csP4xV1aGrLZMX/fLTQ+lc+6Qez3Sq61GL8oFJh6o81pKZcl5BJhsWucM6jAM6H ne+ygLWUsCwodBiNiBNMS0GasJY3YtM0dkGlcoX8nhBeSBxTkSpIWXngT7/4jquFvPy0JI7K gbGHChELQ4HvDK46CdfP2LbthJM= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-west-2.postgun.com with SMTP id 613f4f8c648642cc1c06b1eb (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 13 Sep 2021 13:18:04 GMT Sender: srivasam=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 85B35C4360D; Mon, 13 Sep 2021 13:18:04 +0000 (UTC) Received: from hu-srivasam-hyd.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: srivasam) by smtp.codeaurora.org (Postfix) with ESMTPSA id 71203C4360D; Mon, 13 Sep 2021 13:17:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 71203C4360D Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Srinivasa Rao Mandadapu To: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, swboyd@chromium.org, judyhsiao@chromium.org Cc: Srinivasa Rao Mandadapu Subject: [PATCH v2 1/2] ASoC: google: dt-bindings: Add sc7280-herobrine machine bindings Date: Mon, 13 Sep 2021 18:47:41 +0530 Message-Id: <1631539062-28577-2-git-send-email-srivasam@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1631539062-28577-1-git-send-email-srivasam@codeaurora.org> References: <1631539062-28577-1-git-send-email-srivasam@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add devicetree bindings documentation file for sc7280 sound card registration. Signed-off-by: Srinivasa Rao Mandadapu --- .../bindings/sound/google,sc7280-herobrine.yaml | 169 +++++++++++++++++++++ 1 file changed, 169 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/google,sc7280-herobrine.yaml diff --git a/Documentation/devicetree/bindings/sound/google,sc7280-herobrine.yaml b/Documentation/devicetree/bindings/sound/google,sc7280-herobrine.yaml new file mode 100644 index 0000000..e0d705f --- /dev/null +++ b/Documentation/devicetree/bindings/sound/google,sc7280-herobrine.yaml @@ -0,0 +1,169 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/google,sc7280-herobrine.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Google SC7280-Herobrine ASoC sound card driver + +maintainers: + - Srinivasa Rao Mandadapu + - Judy Hsiao + +description: + This binding describes the SC7280 sound card which uses LPASS for audio. + +properties: + compatible: + enum: + - google,sc7280-herobrine + + 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: + $ref: /schemas/types.yaml#/definitions/string + description: User specified audio sound card name + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^dai-link@[0-9a-f]$": + 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: + maxItems: 1 + 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: + + - | + #include + sound { + compatible = "google,sc7280-herobrine"; + model = "sc7280-wcd938x-max98360a-4dmic"; + + audio-routing = + "IN1_HPHL", "HPHL_OUT", + "IN2_HPHR", "HPHR_OUT", + "AMIC1", "MIC BIAS1", + "AMIC2", "MIC BIAS2", + "VA DMIC0", "MIC BIAS3", + "VA DMIC1", "MIC BIAS3", + "VA DMIC2", "MIC BIAS4", + "VA DMIC3", "MIC BIAS4", + "TX SWR_ADC0", "ADC1_OUTPUT", + "TX SWR_ADC1", "ADC2_OUTPUT", + "TX SWR_ADC2", "ADC3_OUTPUT", + "TX SWR_DMIC0", "DMIC1_OUTPUT", + "TX SWR_DMIC1", "DMIC2_OUTPUT", + "TX SWR_DMIC2", "DMIC3_OUTPUT", + "TX SWR_DMIC3", "DMIC4_OUTPUT"; + + #address-cells = <1>; + #size-cells = <0>; + + dai-link@0 { + link-name = "WCD Playback"; + reg = ; + cpu { + sound-dai = <&lpass_cpu LPASS_CDC_DMA_RX0>; + }; + + codec { + sound-dai = <&wcd938x 0>, <&swr0 0>, <&rxmacro 0>; + }; + }; + dai-link@1 { + link-name = "WCD Capture"; + reg = ; + cpu { + sound-dai = <&lpass_cpu LPASS_CDC_DMA_TX3>; + }; + + codec { + sound-dai = <&wcd938x 1>, <&swr1 0>, <&txmacro 0>; + }; + }; + + dai-link@2 { + link-name = "MI2S Playback"; + reg = ; + cpu { + sound-dai = <&lpass_cpu MI2S_SECONDARY>; + }; + + codec { + sound-dai = <&max98360a>; + }; + }; + + dai-link@3 { + link-name = "DMIC Capture"; + reg = ; + cpu { + sound-dai = <&lpass_cpu LPASS_CDC_DMA_VA_TX0>; + }; + + codec { + sound-dai = <&vamacro 0>; + }; + }; + + dai-link@5 { + link-name = "DP Playback"; + reg = ; + cpu { + sound-dai = <&lpass_cpu LPASS_DP_RX>; + }; + + codec { + sound-dai = <&mdss_dp>; + }; + }; + }; From patchwork Mon Sep 13 13:17:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 12489353 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2CF92C433EF for ; Mon, 13 Sep 2021 13:30:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 15E9161359 for ; Mon, 13 Sep 2021 13:30:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242308AbhIMNbj (ORCPT ); Mon, 13 Sep 2021 09:31:39 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:35119 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236133AbhIMNT0 (ORCPT ); Mon, 13 Sep 2021 09:19:26 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1631539091; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=TcJ2EAwYbmfpDMIA15JUV9oPYSafYyQgOfq9Kl28wkQ=; b=JohE1WmYfy39SK/1PC2qQe0nYFU5XM8s/ORHqgPC9FcTVxILsBAx0OfKTWLoncba0G9ZMD1w 8b5vaQvw8xu3Vg3oYKHqTMaEWOcq5Gb/XhTRcOaENVjbu+/unV3QwMO/ytmoDg3h1GWatARO TNgWSM26yJIxAW3zezsZtFbE6xM= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n01.prod.us-west-2.postgun.com with SMTP id 613f4f92096ba46b97a7c369 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 13 Sep 2021 13:18:10 GMT Sender: srivasam=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 97827C4360C; Mon, 13 Sep 2021 13:18:10 +0000 (UTC) Received: from hu-srivasam-hyd.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: srivasam) by smtp.codeaurora.org (Postfix) with ESMTPSA id CDE85C43616; Mon, 13 Sep 2021 13:18:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org CDE85C43616 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Srinivasa Rao Mandadapu To: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, swboyd@chromium.org, judyhsiao@chromium.org Cc: Srinivasa Rao Mandadapu Subject: [PATCH v2 2/2] ASoC: qcom: SC7280: Add machine driver Date: Mon, 13 Sep 2021 18:47:42 +0530 Message-Id: <1631539062-28577-3-git-send-email-srivasam@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1631539062-28577-1-git-send-email-srivasam@codeaurora.org> References: <1631539062-28577-1-git-send-email-srivasam@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add new machine driver to register sound card on sc7280 based targets and do the required configuration for lpass cpu dai and external codecs connected over MI2S and soundwire interfaces. Add support for audio jack detection, soundwire init and MBHC. Signed-off-by: Srinivasa Rao Mandadapu --- sound/soc/qcom/Kconfig | 12 ++ sound/soc/qcom/Makefile | 2 + sound/soc/qcom/sc7280.c | 343 ++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 357 insertions(+) create mode 100644 sound/soc/qcom/sc7280.c diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index cc7c1de..d9ffcb7 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -152,4 +152,16 @@ config SND_SOC_SC7180 SC7180 SoC-based systems. Say Y if you want to use audio device on this SoCs. +config SND_SOC_SC7280 + tristate "SoC Machine driver for SC7280 boards" + depends on I2C && SOUNDWIRE + select SND_SOC_QCOM_COMMON + select SND_SOC_MAX98357A + select SND_SOC_LPASS_RX_MACRO + select SND_SOC_LPASS_TX_MACRO + help + To add support for audio on Qualcomm Technologies Inc. + SC7280 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 1600ae5..625aec6 100644 --- a/sound/soc/qcom/Makefile +++ b/sound/soc/qcom/Makefile @@ -19,6 +19,7 @@ snd-soc-storm-objs := storm.o snd-soc-apq8016-sbc-objs := apq8016_sbc.o snd-soc-apq8096-objs := apq8096.o snd-soc-sc7180-objs := sc7180.o +snd-soc-sc7280-objs := sc7280.o snd-soc-sdm845-objs := sdm845.o snd-soc-sm8250-objs := sm8250.o snd-soc-qcom-common-objs := common.o @@ -27,6 +28,7 @@ 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-$(CONFIG_SND_SOC_SC7180) += snd-soc-sc7180.o +obj-$(CONFIG_SND_SOC_SC7280) += snd-soc-sc7280.o obj-$(CONFIG_SND_SOC_SDM845) += snd-soc-sdm845.o obj-$(CONFIG_SND_SOC_SM8250) += snd-soc-sm8250.o obj-$(CONFIG_SND_SOC_QCOM_COMMON) += snd-soc-qcom-common.o diff --git a/sound/soc/qcom/sc7280.c b/sound/soc/qcom/sc7280.c new file mode 100644 index 0000000..906910c --- /dev/null +++ b/sound/soc/qcom/sc7280.c @@ -0,0 +1,343 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2020-2021, The Linux Foundation. All rights reserved. +// +// sc7280.c -- ALSA SoC Machine driver for sc7280 + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include "../codecs/wcd938x.h" +#include "common.h" +#include "lpass.h" + +#define LPASS_MAX_PORTS (LPASS_CDC_DMA_VA_TX8 + 1) + +struct sc7280_snd_data { + bool stream_prepared[LPASS_MAX_PORTS]; + struct snd_soc_card card; + struct sdw_stream_runtime *sruntime[LPASS_MAX_PORTS]; + struct snd_soc_jack hs_jack; + struct snd_soc_jack hdmi_jack; + bool jack_setup; +}; + +static void sc7280_jack_free(struct snd_jack *jack) +{ + struct snd_soc_component *component = jack->private_data; + + snd_soc_component_set_jack(component, NULL, NULL); +} + +static int sc7280_headset_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + struct sc7280_snd_data *pdata = snd_soc_card_get_drvdata(card); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct snd_soc_component *component = codec_dai->component; + struct snd_jack *jack; + int rval, i; + + if (!pdata->jack_setup) { + rval = snd_soc_card_jack_new(card, "Headset Jack", + SND_JACK_HEADSET | SND_JACK_LINEOUT | + SND_JACK_MECHANICAL | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3 | + SND_JACK_BTN_4 | SND_JACK_BTN_5, + &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_MEDIA); + 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 = sc7280_jack_free; + pdata->jack_setup = true; + } + switch (cpu_dai->id) { + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_TX3: + for_each_rtd_codec_dais(rtd, i, codec_dai) { + rval = snd_soc_component_set_jack(component, &pdata->hs_jack, NULL); + if (rval != 0 && rval != -EOPNOTSUPP) { + dev_err(card->dev, "Failed to set jack: %d\n", rval); + return rval; + } + } + + break; + default: + break; + } + + return 0; +} + +static int sc7280_hdmi_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + struct sc7280_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 = sc7280_jack_free; + + return snd_soc_component_set_jack(component, &pdata->hdmi_jack, NULL); +} + +static int sc7280_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + + switch (cpu_dai->id) { + case LPASS_CDC_DMA_TX3: + return sc7280_headset_init(rtd); + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_VA_TX0: + case MI2S_SECONDARY: + return 0; + case LPASS_DP_RX: + return sc7280_hdmi_init(rtd); + default: + dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); + } + + return -EINVAL; +} + +static int sc7280_snd_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + + switch (cpu_dai->id) { + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_TX3: + case LPASS_CDC_DMA_VA_TX0: + break; + case MI2S_SECONDARY: + break; + case LPASS_DP_RX: + break; + default: + dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); + return -EINVAL; + } + + return 0; +} + +static int sc7280_snd_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai; + const struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct sc7280_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card); + struct sdw_stream_runtime *sruntime; + int i; + + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2); + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE, 48000, 48000); + + switch (cpu_dai->id) { + case LPASS_CDC_DMA_TX3: + case LPASS_CDC_DMA_RX0: + for_each_rtd_codec_dais(rtd, i, codec_dai) { + sruntime = snd_soc_dai_get_sdw_stream(codec_dai, substream->stream); + if (sruntime != ERR_PTR(-EOPNOTSUPP)) + pdata->sruntime[cpu_dai->id] = sruntime; + } + break; + } + + return 0; +} + +static int sc7280_snd_swr_prepare(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + const struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct sc7280_snd_data *data = snd_soc_card_get_drvdata(rtd->card); + struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id]; + int ret; + + if (!sruntime) + return 0; + + if (data->stream_prepared[cpu_dai->id]) { + sdw_disable_stream(sruntime); + sdw_deprepare_stream(sruntime); + data->stream_prepared[cpu_dai->id] = false; + } + + ret = sdw_prepare_stream(sruntime); + if (ret) + return ret; + + ret = sdw_enable_stream(sruntime); + if (ret) { + sdw_deprepare_stream(sruntime); + return ret; + } + data->stream_prepared[cpu_dai->id] = true; + + return ret; +} + +static int sc7280_snd_prepare(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + const struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + + switch (cpu_dai->id) { + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_TX3: + return sc7280_snd_swr_prepare(substream); + default: + break; + } + + return 0; +} + +static int sc7280_snd_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct sc7280_snd_data *data = snd_soc_card_get_drvdata(rtd->card); + const struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id]; + + switch (cpu_dai->id) { + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_TX3: + if (sruntime && data->stream_prepared[cpu_dai->id]) { + sdw_disable_stream(sruntime); + sdw_deprepare_stream(sruntime); + data->stream_prepared[cpu_dai->id] = false; + } + break; + default: + break; + } + return 0; +} + +static void sc7280_snd_shutdown(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + + switch (cpu_dai->id) { + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_TX3: + case LPASS_CDC_DMA_VA_TX0: + break; + case MI2S_SECONDARY: + break; + case LPASS_DP_RX: + break; + default: + dev_err(rtd->dev, "%s: invalid dai id %d\n", __func__, cpu_dai->id); + break; + } +} + +static const struct snd_soc_ops sc7280_ops = { + .startup = sc7280_snd_startup, + .shutdown = sc7280_snd_shutdown, + .hw_params = sc7280_snd_hw_params, + .hw_free = sc7280_snd_hw_free, + .prepare = sc7280_snd_prepare, +}; + +static const struct snd_soc_dapm_widget sc7280_snd_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), +}; + +static int sc7280_snd_platform_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card; + struct sc7280_snd_data *data; + struct device *dev = &pdev->dev; + struct snd_soc_dai_link *link; + int ret, i; + + /* Allocate the private data */ + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + card = &data->card; + snd_soc_card_set_drvdata(card, data); + + card->owner = THIS_MODULE; + card->driver_name = "SC7280"; + card->dev = dev; + + ret = qcom_snd_parse_of(card); + if (ret) + return ret; + + for_each_card_prelinks(card, i, link) { + link->init = sc7280_init; + link->ops = &sc7280_ops; + } + return devm_snd_soc_register_card(dev, card); +} + +static const struct of_device_id sc7280_snd_device_id[] = { + {.compatible = "google,sc7280-herobrine"}, + {} +}; +MODULE_DEVICE_TABLE(of, sc7280_snd_device_id); + +static struct platform_driver sc7280_snd_driver = { + .probe = sc7280_snd_platform_probe, + .driver = { + .name = "msm-snd-sc7280", + .of_match_table = sc7280_snd_device_id, + .pm = &snd_soc_pm_ops, + }, +}; +module_platform_driver(sc7280_snd_driver); + +MODULE_DESCRIPTION("sc7280 ASoC Machine Driver"); +MODULE_LICENSE("GPL v2");