From patchwork Tue Oct 27 03:22:34 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: 11859329 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 650B514B7 for ; Tue, 27 Oct 2020 03:23:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 37E4C216FD for ; Tue, 27 Oct 2020 03:23:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="HWy3WD1y" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2504894AbgJ0DXC (ORCPT ); Mon, 26 Oct 2020 23:23:02 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:35657 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2504892AbgJ0DXB (ORCPT ); Mon, 26 Oct 2020 23:23:01 -0400 Received: by mail-pf1-f196.google.com with SMTP id b3so101262pfo.2 for ; Mon, 26 Oct 2020 20:22:59 -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=v7rb4gVO6HiTiK7mTg5THcDWhXnoAuUJkwvQcMJIQAg=; b=HWy3WD1yZTDfmkcz7ltZtpDzzVnHCpBChJCZY3GWJj8ZX2hzwLeyeYcYQzJHundyob E6f+t/zMuizibRb4woAYISXveuqM/Dfe97E29TbM9oOK3cLR2plOQMS2bzFlWrLqhy/I XIXoPWeR4DH74NrGuavxTIJUpLypVXhFR2coM= 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=v7rb4gVO6HiTiK7mTg5THcDWhXnoAuUJkwvQcMJIQAg=; b=a0rd/nem1wSB9QJ9zGOfLLNoHv+Nz+F/09zQ4VzJi1/Nf7ytZuiaqOFwOIPbI6gwqy JKMRoLMh7u3JwW46FYNKbTD4SI9ELHE0lyih0EhkXfxdVmoWtp3lFzzZmVOzGEIhg1LF qRVrzOoUSvkwg+KYQJWMDZLRqEuobxL8DrH48v626oRUDcmtz0MjvbLJ28Cp8gRQgBN1 otKi2dQwba7ODASSDAyVbqUl0PiC2uYrX8cNRfhCBqSfqeUmD7J0fd8saZQrQ4p3lF2R rgkAYCZz38RbZoPucY+YjD1Oo7YNVnKXuOlLzHWYahuPZbnn0pmFEDxXUIZaV1/6rcp/ oBdg== X-Gm-Message-State: AOAM532sm7x8moCijMqPBZpD34cJbUufYrnaYZvu94vNV3yHzSL30DZf gTzl2eifO3hJC/JMsrrAwNZgTw== X-Google-Smtp-Source: ABdhPJwj92iAnX0qSOHmfP7nz34w/Ze3+zfUWYT2SVlKmitkz7Sp8YIAswQq7lCIPUHCnSIWUDjUyw== X-Received: by 2002:a63:6fca:: with SMTP id k193mr110575pgc.360.1603768978937; Mon, 26 Oct 2020 20:22:58 -0700 (PDT) Received: from localhost ([2401:fa00:1:10:de4a:3eff:fe7d:d39c]) by smtp.gmail.com with ESMTPSA id u129sm206752pfb.81.2020.10.26.20.22.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 26 Oct 2020 20:22:58 -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 , Srinivasa Rao , Ajye Huang , xuyuqing@huaqin.corp-partner.google.com, 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, Ajit Pandey , Cheng-Yi Chiang Subject: [PATCH v12 2/2] ASoC: qcom: sc7180: Add machine driver for sound card registration Date: Tue, 27 Oct 2020 11:22:34 +0800 Message-Id: <20201027032234.1705835-3-cychiang@chromium.org> X-Mailer: git-send-email 2.29.0.rc2.309.g374f81d7ae-goog In-Reply-To: <20201027032234.1705835-1-cychiang@chromium.org> References: <20201027032234.1705835-1-cychiang@chromium.org> MIME-Version: 1.0 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: Srinivas Kandagatla --- Changes from v11 to v12 - Machine driver: - Use the definitaion of index LPASS_DP_RX in sc7180-lpass.h. - Fix compatible string. - Replace a comma with semicolon. sound/soc/qcom/Kconfig | 12 ++ sound/soc/qcom/Makefile | 2 + sound/soc/qcom/sc7180.c | 266 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 280 insertions(+) create mode 100644 sound/soc/qcom/sc7180.c diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index 484cad31da25..41cb08bd5588 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -138,4 +138,16 @@ config SND_SOC_SM8250 SM8250 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 effa4b3f58fa..1600ae55bd34 100644 --- a/sound/soc/qcom/Makefile +++ b/sound/soc/qcom/Makefile @@ -18,6 +18,7 @@ obj-$(CONFIG_SND_SOC_LPASS_SC7180) += snd-soc-lpass-sc7180.o snd-soc-storm-objs := storm.o snd-soc-apq8016-sbc-objs := apq8016_sbc.o snd-soc-apq8096-objs := apq8096.o +snd-soc-sc7180-objs := sc7180.o snd-soc-sdm845-objs := sdm845.o snd-soc-sm8250-objs := sm8250.o snd-soc-qcom-common-objs := common.o @@ -25,6 +26,7 @@ snd-soc-qcom-common-objs := common.o obj-$(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-$(CONFIG_SND_SOC_SC7180) += snd-soc-sc7180.o obj-$(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/sc7180.c b/sound/soc/qcom/sc7180.c new file mode 100644 index 000000000000..b391f64c3a80 --- /dev/null +++ b/sound/soc/qcom/sc7180.c @@ -0,0 +1,266 @@ +// 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 "../codecs/rt5682.h" +#include "common.h" +#include "lpass.h" + +#define DEFAULT_MCLK_RATE 19200000 +#define RT5682_PLL1_FREQ (48000 * 512) + +#define DRIVER_NAME "SC7180" + +struct sc7180_snd_data { + struct snd_soc_card card; + u32 pri_mi2s_clk_count; + struct snd_soc_jack hs_jack; + struct snd_soc_jack hdmi_jack; +}; + +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_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + + switch (cpu_dai->id) { + case MI2S_PRIMARY: + return sc7180_headset_init(rtd); + case MI2S_SECONDARY: + return 0; + case LPASS_DP_RX: + return sc7180_hdmi_init(rtd); + default: + dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__, + cpu_dai->id); + return -EINVAL; + } + return 0; +} + +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 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 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 LPASS_DP_RX: + 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 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; + link->init = sc7180_init; + } +} + +static int sc7180_snd_platform_probe(struct platform_device *pdev) +{ + struct snd_soc_card *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 = &data->card; + snd_soc_card_set_drvdata(card, data); + + card->owner = THIS_MODULE; + card->driver_name = DRIVER_NAME; + card->dev = dev; + card->dapm_widgets = sc7180_snd_widgets; + card->num_dapm_widgets = ARRAY_SIZE(sc7180_snd_widgets); + + ret = qcom_snd_parse_of(card); + if (ret) + 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 = "google,sc7180-trogdor"}, + {}, +}; +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");