From: Rohit Ainapure rohit.m.ainapure@intel.com
This adds Skylake I2S machine driver which uses NAU88L25 as anlog codec and MAX98357A as speakers
Signed-off-by: Rohit Ainapure rohit.m.ainapure@intel.com Signed-off-by: Fang, Yang A yang.a.fang@intel.com Signed-off-by: Vinod Koul vinod.koul@intel.com --- sound/soc/intel/Kconfig | 14 + sound/soc/intel/boards/Makefile | 2 + sound/soc/intel/boards/skl_nau88l25_max98357a.c | 485 +++++++++++++++++++++++ 3 files changed, 501 insertions(+) create mode 100644 sound/soc/intel/boards/skl_nau88l25_max98357a.c
diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index 2d3b124..9b1c0aa 100644 --- a/sound/soc/intel/Kconfig +++ b/sound/soc/intel/Kconfig @@ -169,3 +169,17 @@ config SND_SOC_INTEL_SKL_NAU88L25_SSM4567_MACH create an alsa sound card for NAU88L25 + SSM4567. Say Y if you have such a device If unsure select "N". + +config SND_SOC_INTEL_SKL_NAU88L25_MAX98357A_MACH + tristate "ASoC Audio driver for SKL with NAU88L25 and MAX98357A in I2S Mode" + depends on X86_INTEL_LPSS && I2C + select SND_SOC_INTEL_SST + select SND_SOC_INTEL_SKYLAKE + select SND_SOC_NAU8825 + select SND_SOC_MAX98357A + select SND_SOC_DMIC + help + This adds support for ASoC Onboard Codec I2S machine driver. This will + create an alsa sound card for NAU88L25 + MAX98357A. + Say Y if you have such a device + If unsure select "N". diff --git a/sound/soc/intel/boards/Makefile b/sound/soc/intel/boards/Makefile index a59f762..2485ea9 100644 --- a/sound/soc/intel/boards/Makefile +++ b/sound/soc/intel/boards/Makefile @@ -7,6 +7,7 @@ snd-soc-sst-cht-bsw-rt5672-objs := cht_bsw_rt5672.o snd-soc-sst-cht-bsw-rt5645-objs := cht_bsw_rt5645.o snd-soc-sst-cht-bsw-max98090_ti-objs := cht_bsw_max98090_ti.o snd-soc-skl_rt286-objs := skl_rt286.o +snd-skl_nau88l25_max98357a-objs := skl_nau88l25_max98357a.o snd-soc-skl_nau88l25_ssm4567-objs := skl_nau88l25_ssm4567.o
obj-$(CONFIG_SND_SOC_INTEL_HASWELL_MACH) += snd-soc-sst-haswell.o @@ -18,4 +19,5 @@ obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_RT5672_MACH) += snd-soc-sst-cht-bsw-rt5672.o obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_RT5645_MACH) += snd-soc-sst-cht-bsw-rt5645.o obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_MAX98090_TI_MACH) += snd-soc-sst-cht-bsw-max98090_ti.o obj-$(CONFIG_SND_SOC_INTEL_SKL_RT286_MACH) += snd-soc-skl_rt286.o +obj-$(CONFIG_SND_SOC_INTEL_SKL_NAU88L25_MAX98357A_MACH) += snd-skl_nau88l25_max98357a.o obj-$(CONFIG_SND_SOC_INTEL_SKL_NAU88L25_SSM4567_MACH) += snd-soc-skl_nau88l25_ssm4567.o diff --git a/sound/soc/intel/boards/skl_nau88l25_max98357a.c b/sound/soc/intel/boards/skl_nau88l25_max98357a.c new file mode 100644 index 0000000..ab7da9c --- /dev/null +++ b/sound/soc/intel/boards/skl_nau88l25_max98357a.c @@ -0,0 +1,485 @@ +/* + * Intel Skylake I2S Machine Driver with MAXIM98357A + * and NAU88L25 + * + * Copyright (C) 2015, Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include "../../codecs/nau8825.h" + +#define SKL_NUVOTON_CODEC_DAI "nau8825-hifi" +#define SKL_MAXIM_CODEC_DAI "HiFi" + +static struct snd_soc_jack skylake_headset; +static struct snd_soc_card skylake_audio_card; + +static inline struct snd_soc_dai *skl_get_codec_dai(struct snd_soc_card *card) +{ + struct snd_soc_pcm_runtime *rtd; + + list_for_each_entry(rtd, &card->rtd_list, list) { + + if (!strncmp(rtd->codec_dai->name, SKL_NUVOTON_CODEC_DAI, + strlen(SKL_NUVOTON_CODEC_DAI))) + return rtd->codec_dai; + } + + return NULL; +} + +static int platform_clock_control(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + struct snd_soc_dapm_context *dapm = w->dapm; + struct snd_soc_card *card = dapm->card; + struct snd_soc_dai *codec_dai; + int ret; + + codec_dai = skl_get_codec_dai(card); + if (!codec_dai) { + dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n"); + return -EIO; + } + + if (SND_SOC_DAPM_EVENT_ON(event)) { + ret = snd_soc_dai_set_sysclk(codec_dai, + NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN); + if (ret < 0) { + dev_err(card->dev, "set sysclk err = %d\n", ret); + return -EIO; + } + } else { + ret = snd_soc_dai_set_sysclk(codec_dai, + NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN); + if (ret < 0) { + dev_err(card->dev, "set sysclk err = %d\n", ret); + return -EIO; + } + } + + return ret; +} + +static const struct snd_kcontrol_new skylake_controls[] = { + SOC_DAPM_PIN_SWITCH("Headphone Jack"), + SOC_DAPM_PIN_SWITCH("Headset Mic"), + SOC_DAPM_PIN_SWITCH("Spk"), +}; + +static const struct snd_soc_dapm_widget skylake_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_SPK("Spk", NULL), + SND_SOC_DAPM_MIC("SoC DMIC", NULL), + SND_SOC_DAPM_SINK("WoV Sink"), + SND_SOC_DAPM_SPK("DP", NULL), + SND_SOC_DAPM_SPK("HDMI", NULL), + SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, + platform_clock_control, SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), +}; + +static const struct snd_soc_dapm_route skylake_map[] = { + /* HP jack connectors - unknown if we have jack detection */ + { "Headphone Jack", NULL, "HPOL" }, + { "Headphone Jack", NULL, "HPOR" }, + + /* speaker */ + { "Spk", NULL, "Speaker" }, + + /* other jacks */ + { "MIC", NULL, "Headset Mic" }, + { "DMic", NULL, "SoC DMIC" }, + + {"WoV Sink", NULL, "hwd_in sink"}, + {"HDMI", NULL, "hif5 Output"}, + {"DP", NULL, "hif6 Output"}, + + /* CODEC BE connections */ + { "HiFi Playback", NULL, "ssp0 Tx" }, + { "ssp0 Tx", NULL, "codec0_out" }, + + { "Playback", NULL, "ssp1 Tx" }, + { "ssp1 Tx", NULL, "codec1_out" }, + + { "codec0_in", NULL, "ssp1 Rx" }, + { "ssp1 Rx", NULL, "Capture" }, + + /* DMIC */ + { "dmic01_hifi", NULL, "DMIC01 Rx" }, + { "DMIC01 Rx", NULL, "DMIC AIF" }, + { "hifi1", NULL, "iDisp Tx"}, + { "iDisp Tx", NULL, "iDisp_out"}, + { "Headphone Jack", NULL, "Platform Clock" }, + { "Headset Mic", NULL, "Platform Clock" }, +}; + +static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) +{ + struct snd_interval *rate = hw_param_interval(params, + SNDRV_PCM_HW_PARAM_RATE); + struct snd_interval *channels = hw_param_interval(params, + SNDRV_PCM_HW_PARAM_CHANNELS); + struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); + + /* The ADSP will covert the FE rate to 48k, stereo */ + rate->min = rate->max = 48000; + channels->min = channels->max = 2; + + /* set SSP0 to 24 bit */ + snd_mask_none(fmt); + snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE); + + return 0; +} + +static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd) +{ + int ret; + struct snd_soc_codec *codec = rtd->codec; + + /* + * Headset buttons map to the google Reference headset. + * These can be configured by userspace. + */ + ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack", + SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset, + NULL, 0); + if (ret) { + dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret); + return ret; + } + + nau8825_enable_jack_detect(codec, &skylake_headset); + + snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC"); + snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "WoV Sink"); + + return ret; +} + +static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dapm_context *dapm; + struct snd_soc_component *component = rtd->cpu_dai->component; + + dapm = snd_soc_component_get_dapm(component); + snd_soc_dapm_ignore_suspend(dapm, "Reference Capture"); + + return 0; +} + +static unsigned int rates[] = { + 48000, +}; + +static struct snd_pcm_hw_constraint_list constraints_rates = { + .count = ARRAY_SIZE(rates), + .list = rates, + .mask = 0, +}; + +static unsigned int channels[] = { + 2, +}; + +static struct snd_pcm_hw_constraint_list constraints_channels = { + .count = ARRAY_SIZE(channels), + .list = channels, + .mask = 0, +}; + +static int skl_fe_startup(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + + /* + * On this platform for PCM device we support, + * 48Khz + * stereo + * 16 bit audio + */ + + runtime->hw.channels_max = 2; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + &constraints_channels); + + runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; + snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16); + + snd_pcm_hw_constraint_list(runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); + + return 0; +} + +static const struct snd_soc_ops skylake_nau8825_fe_ops = { + .startup = skl_fe_startup, +}; + +static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + int ret; + + ret = snd_soc_dai_set_sysclk(codec_dai, + NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN); + + if (ret < 0) + dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret); + + return ret; +} + +static struct snd_soc_ops skylake_nau8825_ops = { + .hw_params = skylake_nau8825_hw_params, +}; + +static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) +{ + struct snd_interval *channels = hw_param_interval(params, + SNDRV_PCM_HW_PARAM_CHANNELS); + + if (params_channels(params) == 2) + channels->min = channels->max = 2; + else + channels->min = channels->max = 4; + + return 0; +} + +static unsigned int channels_dmic[] = { + 2, 4, +}; + +static struct snd_pcm_hw_constraint_list constraints_dmic_channels = { + .count = ARRAY_SIZE(channels_dmic), + .list = channels_dmic, + .mask = 0, +}; + +static int skylake_dmic_startup(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + + runtime->hw.channels_max = 4; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + &constraints_dmic_channels); + + return snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); +} + +static struct snd_soc_ops skylake_dmic_ops = { + .startup = skylake_dmic_startup, +}; + +static unsigned int rates_16000[] = { + 16000, +}; + +static struct snd_pcm_hw_constraint_list constraints_16000 = { + .count = ARRAY_SIZE(rates_16000), + .list = rates_16000, +}; + +static int skylake_refcap_startup(struct snd_pcm_substream *substream) +{ + return snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + &constraints_16000); +} + +static struct snd_soc_ops skylaye_refcap_ops = { + .startup = skylake_refcap_startup, +}; + +/* skylake digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link skylake_dais[] = { + /* Front End DAI links */ + { + .name = "Skl Audio Port", + .stream_name = "Audio", + .cpu_dai_name = "System Pin", + .platform_name = "0000:00:1f.3", + .dynamic = 1, + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .nonatomic = 1, + .init = skylake_nau8825_fe_init, + .trigger = { + SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, + .dpcm_playback = 1, + .ops = &skylake_nau8825_fe_ops, + }, + { + .name = "Skl Audio Capture Port", + .stream_name = "Audio Record", + .cpu_dai_name = "System Pin", + .platform_name = "0000:00:1f.3", + .dynamic = 1, + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .nonatomic = 1, + .trigger = { + SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, + .dpcm_capture = 1, + .ops = &skylake_nau8825_fe_ops, + }, + { + .name = "Skl Audio Reference cap", + .stream_name = "Wake on Voice", + .cpu_dai_name = "Reference Pin", + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .platform_name = "0000:00:1f.3", + .init = NULL, + .dpcm_capture = 1, + .ignore_suspend = 1, + .nonatomic = 1, + .dynamic = 1, + .ops = &skylaye_refcap_ops, + }, + { + .name = "Skl Audio DMIC cap", + .stream_name = "dmiccap", + .cpu_dai_name = "DMIC Pin", + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .platform_name = "0000:00:1f.3", + .init = NULL, + .dpcm_capture = 1, + .nonatomic = 1, + .dynamic = 1, + .ops = &skylake_dmic_ops, + }, + { + .name = "Skl HDMI Port", + .stream_name = "Hdmi", + .cpu_dai_name = "HDMI Pin", + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .platform_name = "0000:00:1f.3", + .dpcm_playback = 1, + .init = NULL, + .nonatomic = 1, + .dynamic = 1, + }, + + /* Back End DAI links */ + { + /* SSP0 - Codec */ + .name = "SSP0-Codec", + .be_id = 0, + .cpu_dai_name = "SSP0 Pin", + .platform_name = "0000:00:1f.3", + .no_pcm = 1, + .codec_name = "MX98357A:00", + .codec_dai_name = SKL_MAXIM_CODEC_DAI, + .dai_fmt = SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + .ignore_pmdown_time = 1, + .be_hw_params_fixup = skylake_ssp_fixup, + .dpcm_playback = 1, + }, + { + /* SSP1 - Codec */ + .name = "SSP1-Codec", + .be_id = 0, + .cpu_dai_name = "SSP1 Pin", + .platform_name = "0000:00:1f.3", + .no_pcm = 1, + .codec_name = "i2c-10508825:00", + .codec_dai_name = SKL_NUVOTON_CODEC_DAI, + .init = skylake_nau8825_codec_init, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + .ignore_pmdown_time = 1, + .be_hw_params_fixup = skylake_ssp_fixup, + .ops = &skylake_nau8825_ops, + .dpcm_playback = 1, + .dpcm_capture = 1, + }, + { + .name = "dmic01", + .be_id = 1, + .cpu_dai_name = "DMIC01 Pin", + .codec_name = "dmic-codec", + .codec_dai_name = "dmic-hifi", + .platform_name = "0000:00:1f.3", + .be_hw_params_fixup = skylake_dmic_fixup, + .ignore_suspend = 1, + .dpcm_capture = 1, + .no_pcm = 1, + }, + { + .name = "iDisp", + .be_id = 3, + .cpu_dai_name = "iDisp Pin", + .codec_name = "ehdaudio0D2", + .codec_dai_name = "intel-hdmi-hifi1", + .platform_name = "0000:00:1f.3", + .dpcm_playback = 1, + .no_pcm = 1, + }, +}; + +/* skylake audio machine driver for SPT + NAU88L25 */ +static struct snd_soc_card skylake_audio_card = { + .name = "sklnau8825max", + .owner = THIS_MODULE, + .dai_link = skylake_dais, + .num_links = ARRAY_SIZE(skylake_dais), + .controls = skylake_controls, + .num_controls = ARRAY_SIZE(skylake_controls), + .dapm_widgets = skylake_widgets, + .num_dapm_widgets = ARRAY_SIZE(skylake_widgets), + .dapm_routes = skylake_map, + .num_dapm_routes = ARRAY_SIZE(skylake_map), + .fully_routed = true, +}; + +static int skylake_audio_probe(struct platform_device *pdev) +{ + skylake_audio_card.dev = &pdev->dev; + + return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card); +} + +static struct platform_driver skylake_audio = { + .probe = skylake_audio_probe, + .driver = { + .name = "skl_nau88l25_max98357a_i2s", + .pm = &snd_soc_pm_ops, + }, +}; + +module_platform_driver(skylake_audio) + +/* Module information */ +MODULE_DESCRIPTION("Audio Machine driver-NAU88L25 & MAX98357A in I2S mode"); +MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:skl_nau88l25_max98357a_i2s");