diff options
Diffstat (limited to '')
-rw-r--r-- | sound/soc/intel/boards/skl_nau88l25_max98357a.c | 703 |
1 files changed, 703 insertions, 0 deletions
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 0000000000..e13a5a4d8f --- /dev/null +++ b/sound/soc/intel/boards/skl_nau88l25_max98357a.c @@ -0,0 +1,703 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Intel Skylake I2S Machine Driver with MAXIM98357A + * and NAU88L25 + * + * Copyright (C) 2015, Intel Corporation. All rights reserved. + */ + +#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 <sound/soc-acpi.h> +#include "../../codecs/nau8825.h" +#include "../../codecs/hdac_hdmi.h" + +#define SKL_NUVOTON_CODEC_DAI "nau8825-hifi" +#define SKL_MAXIM_CODEC_DAI "HiFi" +#define DMIC_CH(p) p->list[p->count-1] + +static struct snd_soc_jack skylake_headset; +static struct snd_soc_card skylake_audio_card; +static const struct snd_pcm_hw_constraint_list *dmic_constraints; +static struct snd_soc_jack skylake_hdmi[3]; + +struct skl_hdmi_pcm { + struct list_head head; + struct snd_soc_dai *codec_dai; + int device; +}; + +struct skl_nau8825_private { + struct list_head hdmi_pcm_list; +}; + +enum { + SKL_DPCM_AUDIO_PB = 0, + SKL_DPCM_AUDIO_CP, + SKL_DPCM_AUDIO_REF_CP, + SKL_DPCM_AUDIO_DMIC_CP, + SKL_DPCM_AUDIO_HDMI1_PB, + SKL_DPCM_AUDIO_HDMI2_PB, + SKL_DPCM_AUDIO_HDMI3_PB, +}; + +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 = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI); + 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_SPK("DP1", NULL), + SND_SOC_DAPM_SPK("DP2", 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 struct snd_soc_jack_pin jack_pins[] = { + { + .pin = "Headphone Jack", + .mask = SND_JACK_HEADPHONE, + }, + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, +}; + +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" }, + + /* 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" }, + + { "hifi3", NULL, "iDisp3 Tx"}, + { "iDisp3 Tx", NULL, "iDisp3_out"}, + { "hifi2", NULL, "iDisp2 Tx"}, + { "iDisp2 Tx", NULL, "iDisp2_out"}, + { "hifi1", NULL, "iDisp1 Tx"}, + { "iDisp1 Tx", NULL, "iDisp1_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 *chan = 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 convert the FE rate to 48k, stereo */ + rate->min = rate->max = 48000; + chan->min = chan->max = 2; + + /* set SSP0 to 24 bit */ + snd_mask_none(fmt); + snd_mask_set_format(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_component *component = asoc_rtd_to_codec(rtd, 0)->component; + + /* + * Headset buttons map to the google Reference headset. + * These can be configured by userspace. + */ + ret = snd_soc_card_jack_new_pins(&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, + jack_pins, + ARRAY_SIZE(jack_pins)); + if (ret) { + dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret); + return ret; + } + + nau8825_enable_jack_detect(component, &skylake_headset); + + snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC"); + + return ret; +} + +static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd) +{ + struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card); + struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); + struct skl_hdmi_pcm *pcm; + + pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); + if (!pcm) + return -ENOMEM; + + pcm->device = SKL_DPCM_AUDIO_HDMI1_PB; + pcm->codec_dai = dai; + + list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); + + return 0; +} + +static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd) +{ + struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card); + struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); + struct skl_hdmi_pcm *pcm; + + pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); + if (!pcm) + return -ENOMEM; + + pcm->device = SKL_DPCM_AUDIO_HDMI2_PB; + pcm->codec_dai = dai; + + list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); + + return 0; +} + +static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd) +{ + struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card); + struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); + struct skl_hdmi_pcm *pcm; + + pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); + if (!pcm) + return -ENOMEM; + + pcm->device = SKL_DPCM_AUDIO_HDMI3_PB; + pcm->codec_dai = dai; + + list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); + + return 0; +} + +static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dapm_context *dapm; + struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component; + + dapm = snd_soc_component_get_dapm(component); + snd_soc_dapm_ignore_suspend(dapm, "Reference Capture"); + + return 0; +} + +static const unsigned int rates[] = { + 48000, +}; + +static const struct snd_pcm_hw_constraint_list constraints_rates = { + .count = ARRAY_SIZE(rates), + .list = rates, + .mask = 0, +}; + +static const unsigned int channels[] = { + 2, +}; + +static const 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 = asoc_substream_to_rtd(substream); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + 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 const 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 *chan = hw_param_interval(params, + SNDRV_PCM_HW_PARAM_CHANNELS); + + if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2) + chan->min = chan->max = 2; + else + chan->min = chan->max = 4; + + return 0; +} + +static const unsigned int channels_dmic[] = { + 2, 4, +}; + +static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = { + .count = ARRAY_SIZE(channels_dmic), + .list = channels_dmic, + .mask = 0, +}; + +static const unsigned int dmic_2ch[] = { + 2, +}; + +static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = { + .count = ARRAY_SIZE(dmic_2ch), + .list = dmic_2ch, + .mask = 0, +}; + +static int skylake_dmic_startup(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + + runtime->hw.channels_max = DMIC_CH(dmic_constraints); + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + dmic_constraints); + + return snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); +} + +static const struct snd_soc_ops skylake_dmic_ops = { + .startup = skylake_dmic_startup, +}; + +static const unsigned int rates_16000[] = { + 16000, +}; + +static const struct snd_pcm_hw_constraint_list constraints_16000 = { + .count = ARRAY_SIZE(rates_16000), + .list = rates_16000, +}; + +static const unsigned int ch_mono[] = { + 1, +}; + +static const struct snd_pcm_hw_constraint_list constraints_refcap = { + .count = ARRAY_SIZE(ch_mono), + .list = ch_mono, +}; + +static int skylake_refcap_startup(struct snd_pcm_substream *substream) +{ + substream->runtime->hw.channels_max = 1; + snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, + &constraints_refcap); + + return snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + &constraints_16000); +} + +static const struct snd_soc_ops skylake_refcap_ops = { + .startup = skylake_refcap_startup, +}; + +SND_SOC_DAILINK_DEF(dummy, + DAILINK_COMP_ARRAY(COMP_DUMMY())); + +SND_SOC_DAILINK_DEF(system, + DAILINK_COMP_ARRAY(COMP_CPU("System Pin"))); + +SND_SOC_DAILINK_DEF(reference, + DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin"))); + +SND_SOC_DAILINK_DEF(dmic, + DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin"))); + +SND_SOC_DAILINK_DEF(hdmi1, + DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin"))); + +SND_SOC_DAILINK_DEF(hdmi2, + DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin"))); + +SND_SOC_DAILINK_DEF(hdmi3, + DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin"))); + +SND_SOC_DAILINK_DEF(ssp0_pin, + DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin"))); +SND_SOC_DAILINK_DEF(ssp0_codec, + DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", SKL_MAXIM_CODEC_DAI))); + +SND_SOC_DAILINK_DEF(ssp1_pin, + DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin"))); +SND_SOC_DAILINK_DEF(ssp1_codec, + DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10508825:00", + SKL_NUVOTON_CODEC_DAI))); + +SND_SOC_DAILINK_DEF(dmic_pin, + DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin"))); +SND_SOC_DAILINK_DEF(dmic_codec, + DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi"))); + +SND_SOC_DAILINK_DEF(idisp1_pin, + DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin"))); +SND_SOC_DAILINK_DEF(idisp1_codec, + DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1"))); + +SND_SOC_DAILINK_DEF(idisp2_pin, + DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin"))); +SND_SOC_DAILINK_DEF(idisp2_codec, + DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2"))); + +SND_SOC_DAILINK_DEF(idisp3_pin, + DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin"))); +SND_SOC_DAILINK_DEF(idisp3_codec, + DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3"))); + +SND_SOC_DAILINK_DEF(platform, + DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3"))); + +/* skylake digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link skylake_dais[] = { + /* Front End DAI links */ + [SKL_DPCM_AUDIO_PB] = { + .name = "Skl Audio Port", + .stream_name = "Audio", + .dynamic = 1, + .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, + SND_SOC_DAILINK_REG(system, dummy, platform), + }, + [SKL_DPCM_AUDIO_CP] = { + .name = "Skl Audio Capture Port", + .stream_name = "Audio Record", + .dynamic = 1, + .nonatomic = 1, + .trigger = { + SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, + .dpcm_capture = 1, + .ops = &skylake_nau8825_fe_ops, + SND_SOC_DAILINK_REG(system, dummy, platform), + }, + [SKL_DPCM_AUDIO_REF_CP] = { + .name = "Skl Audio Reference cap", + .stream_name = "Wake on Voice", + .init = NULL, + .dpcm_capture = 1, + .nonatomic = 1, + .dynamic = 1, + .ops = &skylake_refcap_ops, + SND_SOC_DAILINK_REG(reference, dummy, platform), + }, + [SKL_DPCM_AUDIO_DMIC_CP] = { + .name = "Skl Audio DMIC cap", + .stream_name = "dmiccap", + .init = NULL, + .dpcm_capture = 1, + .nonatomic = 1, + .dynamic = 1, + .ops = &skylake_dmic_ops, + SND_SOC_DAILINK_REG(dmic, dummy, platform), + }, + [SKL_DPCM_AUDIO_HDMI1_PB] = { + .name = "Skl HDMI Port1", + .stream_name = "Hdmi1", + .dpcm_playback = 1, + .init = NULL, + .trigger = { + SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, + .nonatomic = 1, + .dynamic = 1, + SND_SOC_DAILINK_REG(hdmi1, dummy, platform), + }, + [SKL_DPCM_AUDIO_HDMI2_PB] = { + .name = "Skl HDMI Port2", + .stream_name = "Hdmi2", + .dpcm_playback = 1, + .init = NULL, + .trigger = { + SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, + .nonatomic = 1, + .dynamic = 1, + SND_SOC_DAILINK_REG(hdmi2, dummy, platform), + }, + [SKL_DPCM_AUDIO_HDMI3_PB] = { + .name = "Skl HDMI Port3", + .stream_name = "Hdmi3", + .trigger = { + SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, + .dpcm_playback = 1, + .init = NULL, + .nonatomic = 1, + .dynamic = 1, + SND_SOC_DAILINK_REG(hdmi3, dummy, platform), + }, + + /* Back End DAI links */ + { + /* SSP0 - Codec */ + .name = "SSP0-Codec", + .id = 0, + .no_pcm = 1, + .dai_fmt = SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBC_CFC, + .ignore_pmdown_time = 1, + .be_hw_params_fixup = skylake_ssp_fixup, + .dpcm_playback = 1, + SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform), + }, + { + /* SSP1 - Codec */ + .name = "SSP1-Codec", + .id = 1, + .no_pcm = 1, + .init = skylake_nau8825_codec_init, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBC_CFC, + .ignore_pmdown_time = 1, + .be_hw_params_fixup = skylake_ssp_fixup, + .ops = &skylake_nau8825_ops, + .dpcm_playback = 1, + .dpcm_capture = 1, + SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform), + }, + { + .name = "dmic01", + .id = 2, + .be_hw_params_fixup = skylake_dmic_fixup, + .ignore_suspend = 1, + .dpcm_capture = 1, + .no_pcm = 1, + SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform), + }, + { + .name = "iDisp1", + .id = 3, + .dpcm_playback = 1, + .init = skylake_hdmi1_init, + .no_pcm = 1, + SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform), + }, + { + .name = "iDisp2", + .id = 4, + .init = skylake_hdmi2_init, + .dpcm_playback = 1, + .no_pcm = 1, + SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform), + }, + { + .name = "iDisp3", + .id = 5, + .init = skylake_hdmi3_init, + .dpcm_playback = 1, + .no_pcm = 1, + SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform), + }, +}; + +#define NAME_SIZE 32 +static int skylake_card_late_probe(struct snd_soc_card *card) +{ + struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(card); + struct skl_hdmi_pcm *pcm; + struct snd_soc_component *component = NULL; + int err, i = 0; + char jack_name[NAME_SIZE]; + + list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) { + component = pcm->codec_dai->component; + snprintf(jack_name, sizeof(jack_name), + "HDMI/DP, pcm=%d Jack", pcm->device); + err = snd_soc_card_jack_new(card, jack_name, + SND_JACK_AVOUT, + &skylake_hdmi[i]); + + if (err) + return err; + + err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device, + &skylake_hdmi[i]); + if (err < 0) + return err; + + i++; + } + + if (!component) + return -EINVAL; + + return hdac_hdmi_jack_port_init(component, &card->dapm); +} + +/* 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, + .late_probe = skylake_card_late_probe, +}; + +static int skylake_audio_probe(struct platform_device *pdev) +{ + struct skl_nau8825_private *ctx; + struct snd_soc_acpi_mach *mach; + + ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + INIT_LIST_HEAD(&ctx->hdmi_pcm_list); + + skylake_audio_card.dev = &pdev->dev; + snd_soc_card_set_drvdata(&skylake_audio_card, ctx); + + mach = pdev->dev.platform_data; + if (mach) + dmic_constraints = mach->mach_params.dmic_num == 2 ? + &constraints_dmic_2ch : &constraints_dmic_channels; + + return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card); +} + +static const struct platform_device_id skl_board_ids[] = { + { .name = "skl_n88l25_m98357a" }, + { .name = "kbl_n88l25_m98357a" }, + { } +}; +MODULE_DEVICE_TABLE(platform, skl_board_ids); + +static struct platform_driver skylake_audio = { + .probe = skylake_audio_probe, + .driver = { + .name = "skl_n88l25_m98357a", + .pm = &snd_soc_pm_ops, + }, + .id_table = skl_board_ids, +}; + +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"); |