--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+// Copyright(c) 2018 Intel Corporation.
+
+/*
+ * Intel Geminilake I2S Machine Driver with MAX98357A & RT5682 Codecs
+ *
+ * Modified from:
+ * Intel Apollolake I2S Machine driver
+ */
+
+#include <linux/input.h>
+#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 "../skylake/skl.h"
+#include "../../codecs/rt5682.h"
+#include "../../codecs/hdac_hdmi.h"
+
+/* The platform clock outputs 19.2Mhz clock to codec as I2S MCLK */
+#define GLK_PLAT_CLK_FREQ 19200000
+#define RT5682_PLL_FREQ (48000 * 512)
+#define GLK_REALTEK_CODEC_DAI "rt5682-aif1"
+#define GLK_MAXIM_CODEC_DAI "HiFi"
+#define MAXIM_DEV0_NAME "MX98357A:00"
+#define DUAL_CHANNEL 2
+#define QUAD_CHANNEL 4
+#define NAME_SIZE 32
+
+static struct snd_soc_jack geminilake_hdmi[3];
+
+struct glk_hdmi_pcm {
+ struct list_head head;
+ struct snd_soc_dai *codec_dai;
+ int device;
+};
+
+struct glk_card_private {
+ struct snd_soc_jack geminilake_headset;
+ struct list_head hdmi_pcm_list;
+};
+
+enum {
+ GLK_DPCM_AUDIO_PB = 0,
+ GLK_DPCM_AUDIO_CP,
+ GLK_DPCM_AUDIO_HS_PB,
+ GLK_DPCM_AUDIO_ECHO_REF_CP,
+ GLK_DPCM_AUDIO_REF_CP,
+ GLK_DPCM_AUDIO_DMIC_CP,
+ GLK_DPCM_AUDIO_HDMI1_PB,
+ GLK_DPCM_AUDIO_HDMI2_PB,
+ GLK_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 = 0;
+
+ codec_dai = snd_soc_card_get_codec_dai(card, GLK_REALTEK_CODEC_DAI);
+ if (!codec_dai) {
+ dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n");
+ return -EIO;
+ }
+
+ if (SND_SOC_DAPM_EVENT_OFF(event)) {
+ ret = snd_soc_dai_set_sysclk(codec_dai, 0, 0, 0);
+ if (ret)
+ dev_err(card->dev, "failed to stop sysclk: %d\n", ret);
+ } else if (SND_SOC_DAPM_EVENT_ON(event)) {
+ ret = snd_soc_dai_set_pll(codec_dai, 0, RT5682_PLL1_S_MCLK,
+ GLK_PLAT_CLK_FREQ, RT5682_PLL_FREQ);
+ if (ret < 0) {
+ dev_err(card->dev, "can't set codec pll: %d\n", ret);
+ return ret;
+ }
+ }
+
+ if (ret)
+ dev_err(card->dev, "failed to start internal clk: %d\n", ret);
+
+ return ret;
+}
+
+static const struct snd_kcontrol_new geminilake_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 geminilake_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("HDMI1", NULL),
+ SND_SOC_DAPM_SPK("HDMI2", NULL),
+ SND_SOC_DAPM_SPK("HDMI3", 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 geminilake_map[] = {
+ /* HP jack connectors - unknown if we have jack detection */
+ { "Headphone Jack", NULL, "Platform Clock" },
+ { "Headphone Jack", NULL, "HPOL" },
+ { "Headphone Jack", NULL, "HPOR" },
+
+ /* speaker */
+ { "Spk", NULL, "Speaker" },
+
+ /* other jacks */
+ { "Headset Mic", NULL, "Platform Clock" },
+ { "IN1P", NULL, "Headset Mic" },
+
+ /* digital mics */
+ { "DMic", NULL, "SoC DMIC" },
+
+ /* CODEC BE connections */
+ { "HiFi Playback", NULL, "ssp1 Tx" },
+ { "ssp1 Tx", NULL, "codec0_out" },
+
+ { "AIF1 Playback", NULL, "ssp2 Tx" },
+ { "ssp2 Tx", NULL, "codec1_out" },
+
+ { "codec0_in", NULL, "ssp2 Rx" },
+ { "ssp2 Rx", NULL, "AIF1 Capture" },
+
+ { "HDMI1", NULL, "hif5-0 Output" },
+ { "HDMI2", NULL, "hif6-0 Output" },
+ { "HDMI2", NULL, "hif7-0 Output" },
+
+ { "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" },
+
+ /* DMIC */
+ { "dmic01_hifi", NULL, "DMIC01 Rx" },
+ { "DMIC01 Rx", NULL, "DMIC AIF" },
+};
+
+static int geminilake_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 convert the FE rate to 48k, stereo */
+ rate->min = rate->max = 48000;
+ channels->min = channels->max = DUAL_CHANNEL;
+
+ /* set SSP to 24 bit */
+ snd_mask_none(fmt);
+ snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
+
+ return 0;
+}
+
+static int geminilake_rt5682_codec_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct glk_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_component *component = rtd->codec_dai->component;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_jack *jack;
+ int ret;
+
+ /* Configure sysclk for codec */
+ ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1,
+ RT5682_PLL_FREQ, SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
+
+ /*
+ * Headset buttons map to the google Reference headset.
+ * These can be configured by userspace.
+ */
+ ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
+ SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT,
+ &ctx->geminilake_headset, NULL, 0);
+ if (ret) {
+ dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
+ return ret;
+ }
+
+ jack = &ctx->geminilake_headset;
+
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
+ ret = snd_soc_component_set_jack(component, jack, NULL);
+
+ if (ret) {
+ dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+};
+
+static int geminilake_rt5682_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;
+
+ /* Set valid bitmask & configuration for I2S in 24 bit */
+ ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x0, 0x0, 2, 24);
+ if (ret < 0) {
+ dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static struct snd_soc_ops geminilake_rt5682_ops = {
+ .hw_params = geminilake_rt5682_hw_params,
+};
+
+static int geminilake_hdmi_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct glk_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_dai *dai = rtd->codec_dai;
+ struct glk_hdmi_pcm *pcm;
+
+ pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
+ if (!pcm)
+ return -ENOMEM;
+
+ pcm->device = GLK_DPCM_AUDIO_HDMI1_PB + dai->id;
+ pcm->codec_dai = dai;
+
+ list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
+
+ return 0;
+}
+
+static int geminilake_rt5682_fe_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_component *component = rtd->cpu_dai->component;
+ struct snd_soc_dapm_context *dapm;
+ int ret;
+
+ dapm = snd_soc_component_get_dapm(component);
+ ret = snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
+ if (ret) {
+ dev_err(rtd->dev, "Ref Cap ignore suspend failed %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+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[] = {
+ DUAL_CHANNEL,
+};
+
+static const struct snd_pcm_hw_constraint_list constraints_channels = {
+ .count = ARRAY_SIZE(channels),
+ .list = channels,
+ .mask = 0,
+};
+
+static unsigned int channels_quad[] = {
+ QUAD_CHANNEL,
+};
+
+static struct snd_pcm_hw_constraint_list constraints_channels_quad = {
+ .count = ARRAY_SIZE(channels_quad),
+ .list = channels_quad,
+ .mask = 0,
+};
+
+static int geminilake_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);
+
+ /*
+ * set BE channel constraint as user FE channels
+ */
+ channels->min = channels->max = 4;
+
+ return 0;
+}
+
+static int geminilake_dmic_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ runtime->hw.channels_min = runtime->hw.channels_max = QUAD_CHANNEL;
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+ &constraints_channels_quad);
+
+ return snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
+}
+
+static const struct snd_soc_ops geminilake_dmic_ops = {
+ .startup = geminilake_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 int geminilake_refcap_startup(struct snd_pcm_substream *substream)
+{
+ return snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE,
+ &constraints_16000);
+};
+
+static const struct snd_soc_ops geminilake_refcap_ops = {
+ .startup = geminilake_refcap_startup,
+};
+
+/* geminilake digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link geminilake_dais[] = {
+ /* Front End DAI links */
+ [GLK_DPCM_AUDIO_PB] = {
+ .name = "Glk Audio Port",
+ .stream_name = "Audio",
+ .cpu_dai_name = "System Pin",
+ .platform_name = "0000:00:0e.0",
+ .dynamic = 1,
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .nonatomic = 1,
+ .init = geminilake_rt5682_fe_init,
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dpcm_playback = 1,
+ },
+ [GLK_DPCM_AUDIO_CP] = {
+ .name = "Glk Audio Capture Port",
+ .stream_name = "Audio Record",
+ .cpu_dai_name = "System Pin",
+ .platform_name = "0000:00:0e.0",
+ .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,
+ },
+ [GLK_DPCM_AUDIO_HS_PB] = {
+ .name = "Glk Audio Headset Playback",
+ .stream_name = "Headset Audio",
+ .cpu_dai_name = "System Pin2",
+ .platform_name = "0000:00:0e.0",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .dpcm_playback = 1,
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+ [GLK_DPCM_AUDIO_ECHO_REF_CP] = {
+ .name = "Glk Audio Echo Reference cap",
+ .stream_name = "Echoreference Capture",
+ .cpu_dai_name = "Echoref Pin",
+ .platform_name = "0000:00:0e.0",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .init = NULL,
+ .capture_only = 1,
+ .nonatomic = 1,
+ },
+ [GLK_DPCM_AUDIO_REF_CP] = {
+ .name = "Glk Audio Reference cap",
+ .stream_name = "Refcap",
+ .cpu_dai_name = "Reference Pin",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .platform_name = "0000:00:0e.0",
+ .init = NULL,
+ .dpcm_capture = 1,
+ .nonatomic = 1,
+ .dynamic = 1,
+ .ops = &geminilake_refcap_ops,
+ },
+ [GLK_DPCM_AUDIO_DMIC_CP] = {
+ .name = "Glk 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 = "0000:00:0e.0",
+ .init = NULL,
+ .dpcm_capture = 1,
+ .nonatomic = 1,
+ .dynamic = 1,
+ .ops = &geminilake_dmic_ops,
+ },
+ [GLK_DPCM_AUDIO_HDMI1_PB] = {
+ .name = "Glk HDMI Port1",
+ .stream_name = "Hdmi1",
+ .cpu_dai_name = "HDMI1 Pin",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .platform_name = "0000:00:0e.0",
+ .dpcm_playback = 1,
+ .init = NULL,
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+ [GLK_DPCM_AUDIO_HDMI2_PB] = {
+ .name = "Glk HDMI Port2",
+ .stream_name = "Hdmi2",
+ .cpu_dai_name = "HDMI2 Pin",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .platform_name = "0000:00:0e.0",
+ .dpcm_playback = 1,
+ .init = NULL,
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+ [GLK_DPCM_AUDIO_HDMI3_PB] = {
+ .name = "Glk HDMI Port3",
+ .stream_name = "Hdmi3",
+ .cpu_dai_name = "HDMI3 Pin",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .platform_name = "0000:00:0e.0",
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dpcm_playback = 1,
+ .init = NULL,
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+ /* Back End DAI links */
+ {
+ /* SSP1 - Codec */
+ .name = "SSP1-Codec",
+ .id = 0,
+ .cpu_dai_name = "SSP1 Pin",
+ .platform_name = "0000:00:0e.0",
+ .no_pcm = 1,
+ .codec_name = MAXIM_DEV0_NAME,
+ .codec_dai_name = GLK_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 = geminilake_ssp_fixup,
+ .dpcm_playback = 1,
+ },
+ {
+ /* SSP2 - Codec */
+ .name = "SSP2-Codec",
+ .id = 1,
+ .cpu_dai_name = "SSP2 Pin",
+ .platform_name = "0000:00:0e.0",
+ .no_pcm = 1,
+ .codec_name = "i2c-10EC5682:00",
+ .codec_dai_name = GLK_REALTEK_CODEC_DAI,
+ .init = geminilake_rt5682_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 = geminilake_ssp_fixup,
+ .ops = &geminilake_rt5682_ops,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ },
+ {
+ .name = "dmic01",
+ .id = 2,
+ .cpu_dai_name = "DMIC01 Pin",
+ .codec_name = "dmic-codec",
+ .codec_dai_name = "dmic-hifi",
+ .platform_name = "0000:00:0e.0",
+ .ignore_suspend = 1,
+ .be_hw_params_fixup = geminilake_dmic_fixup,
+ .dpcm_capture = 1,
+ .no_pcm = 1,
+ },
+ {
+ .name = "iDisp1",
+ .id = 3,
+ .cpu_dai_name = "iDisp1 Pin",
+ .codec_name = "ehdaudio0D2",
+ .codec_dai_name = "intel-hdmi-hifi1",
+ .platform_name = "0000:00:0e.0",
+ .init = geminilake_hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ },
+ {
+ .name = "iDisp2",
+ .id = 4,
+ .cpu_dai_name = "iDisp2 Pin",
+ .codec_name = "ehdaudio0D2",
+ .codec_dai_name = "intel-hdmi-hifi2",
+ .platform_name = "0000:00:0e.0",
+ .init = geminilake_hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ },
+ {
+ .name = "iDisp3",
+ .id = 5,
+ .cpu_dai_name = "iDisp3 Pin",
+ .codec_name = "ehdaudio0D2",
+ .codec_dai_name = "intel-hdmi-hifi3",
+ .platform_name = "0000:00:0e.0",
+ .init = geminilake_hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ },
+};
+
+static int glk_card_late_probe(struct snd_soc_card *card)
+{
+ struct glk_card_private *ctx = snd_soc_card_get_drvdata(card);
+ struct snd_soc_component *component = NULL;
+ char jack_name[NAME_SIZE];
+ struct glk_hdmi_pcm *pcm;
+ int err = 0;
+ int i = 0;
+
+ 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, &geminilake_hdmi[i],
+ NULL, 0);
+
+ if (err)
+ return err;
+
+ err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
+ &geminilake_hdmi[i]);
+ if (err < 0)
+ return err;
+
+ i++;
+ }
+
+ if (!component)
+ return -EINVAL;
+
+ return hdac_hdmi_jack_port_init(component, &card->dapm);
+}
+
+/* geminilake audio machine driver for SPT + RT5682 */
+static struct snd_soc_card glk_audio_card_rt5682_m98357a = {
+ .name = "glkrt5682max",
+ .owner = THIS_MODULE,
+ .dai_link = geminilake_dais,
+ .num_links = ARRAY_SIZE(geminilake_dais),
+ .controls = geminilake_controls,
+ .num_controls = ARRAY_SIZE(geminilake_controls),
+ .dapm_widgets = geminilake_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(geminilake_widgets),
+ .dapm_routes = geminilake_map,
+ .num_dapm_routes = ARRAY_SIZE(geminilake_map),
+ .fully_routed = true,
+ .late_probe = glk_card_late_probe,
+};
+
+static int geminilake_audio_probe(struct platform_device *pdev)
+{
+ struct glk_card_private *ctx;
+
+ ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
+ if (!ctx)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
+
+ glk_audio_card_rt5682_m98357a.dev = &pdev->dev;
+ snd_soc_card_set_drvdata(&glk_audio_card_rt5682_m98357a, ctx);
+
+ return devm_snd_soc_register_card(&pdev->dev,
+ &glk_audio_card_rt5682_m98357a);
+}
+
+static const struct platform_device_id glk_board_ids[] = {
+ {
+ .name = "glk_rt5682_max98357a",
+ .driver_data =
+ (kernel_ulong_t)&glk_audio_card_rt5682_m98357a,
+ },
+ { }
+};
+
+static struct platform_driver geminilake_audio = {
+ .probe = geminilake_audio_probe,
+ .driver = {
+ .name = "glk_rt5682_max98357a",
+ .pm = &snd_soc_pm_ops,
+ },
+ .id_table = glk_board_ids,
+};
+module_platform_driver(geminilake_audio)
+
+/* Module information */
+MODULE_DESCRIPTION("Geminilake Audio Machine driver-RT5682 & MAX98357A in I2S mode");
+MODULE_AUTHOR("Naveen Manohar <naveen.m@intel.com>");
+MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:glk_rt5682_max98357a");
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