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d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=qDCMKHshKP3zG0OPxiLxiPyZNbz/zT6YVDt42yxlHiM=; b=K6OCyj/vyQaFxo9HpTlTM9azRG90ZjU7T3jn0kufIfryAqCTlbDuZFehvi2nLvtKf/ uo/aonGybLJBnbF+oJyrmnP/aFZSkq+G7cEQXGc1twhyLDCMuOx63BsyT1WhoRhdIaNA mby35n+0TAbKiBdJI4BZ7sBcq/cmeF7ChLquQlW5N8dVDrAaa+k1JfxmcQFecn7JrpAi tVs29H+xCdmgBkp2IyZiZxqXs+cGP2a240wnK/9140Xz9uAMBxk/xGFYHPMZnBwlHyBl 27bWoOA/KGJpWOtCqay8PUeqHkUFYAEII7hgK8sMFFO4VkyIASu4aNo7uUw11dPJnfaX Xr9A== X-Gm-Message-State: AOAM5331ZNG28LZMq8nflY6CNhnn+1sMFHJ3CPMiGaloX3GmxzO3WiUH pwOH8WsIgGuA1czFZ6DWP1AU+YS2R+cxNCpbk415OQ== X-Google-Smtp-Source: ABdhPJznLuWLo4JKv3VPdSCX4D2TYNaXFLecHX0q7UqoFehDlv3flDgzxCxcqWqs7fdPG8urdepL0RlrRcXIq/y+e+0= X-Received: by 2002:a1c:b6d4:: with SMTP id g203mr10140545wmf.132.1602561055132; Mon, 12 Oct 2020 20:50:55 -0700 (PDT) MIME-Version: 1.0 References: <20200914080619.4178587-1-cychiang@chromium.org> <20200914080619.4178587-4-cychiang@chromium.org> In-Reply-To: <20200914080619.4178587-4-cychiang@chromium.org> From: Cheng-yi Chiang Date: Tue, 13 Oct 2020 11:50:28 +0800 Message-ID: Subject: Re: [PATCH v11 3/3] ASoC: qcom: sc7180: Add machine driver for sound card registration To: linux-kernel 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 , Doug Anderson , Dylan Reid , Tzung-Bi Shih , Linux ARM , linux-arm-msm , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." , "moderated list:ARM/Mediatek SoC support" , "open list:ARM/Rockchip SoC..." , Ajit Pandey Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Mon, Sep 14, 2020 at 4:06 PM Cheng-Yi Chiang wrote: > > 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 > --- > 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 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..0e90448523b0 > --- /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) > + > +// This will be defined in include/dt-bindings/sound/sc7180-lpass.h > +#define LPASS_DP_RX 2 > + > +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->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 = "qcom,sc7180-sndcard-rt5682-m98357-1mic" }, > + {}, > +}; > +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"); > -- > 2.28.0.618.gf4bc123cb7-goog > Hi Srini and Stephan, May I get your Reviewed-By for this patch ? There are some patches on the machine driver for different configurations pending on this one so I would hope to get this one merged first. Thanks a lot for reviewing it!