summaryrefslogtreecommitdiffstats
path: root/sound/soc/intel/boards/bxt_rt298.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /sound/soc/intel/boards/bxt_rt298.c
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/intel/boards/bxt_rt298.c')
-rw-r--r--sound/soc/intel/boards/bxt_rt298.c634
1 files changed, 634 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/bxt_rt298.c b/sound/soc/intel/boards/bxt_rt298.c
new file mode 100644
index 000000000..ba76e37a4
--- /dev/null
+++ b/sound/soc/intel/boards/bxt_rt298.c
@@ -0,0 +1,634 @@
+/*
+ * Intel Broxton-P I2S Machine Driver
+ *
+ * Copyright (C) 2014-2016, Intel Corporation. All rights reserved.
+ *
+ * Modified from:
+ * Intel Skylake I2S Machine driver
+ *
+ * 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/pcm.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include <sound/pcm_params.h>
+#include "../../codecs/hdac_hdmi.h"
+#include "../../codecs/rt298.h"
+
+/* Headset jack detection DAPM pins */
+static struct snd_soc_jack broxton_headset;
+static struct snd_soc_jack broxton_hdmi[3];
+
+struct bxt_hdmi_pcm {
+ struct list_head head;
+ struct snd_soc_dai *codec_dai;
+ int device;
+};
+
+struct bxt_rt286_private {
+ struct list_head hdmi_pcm_list;
+};
+
+enum {
+ BXT_DPCM_AUDIO_PB = 0,
+ BXT_DPCM_AUDIO_CP,
+ BXT_DPCM_AUDIO_REF_CP,
+ BXT_DPCM_AUDIO_DMIC_CP,
+ BXT_DPCM_AUDIO_HDMI1_PB,
+ BXT_DPCM_AUDIO_HDMI2_PB,
+ BXT_DPCM_AUDIO_HDMI3_PB,
+};
+
+static struct snd_soc_jack_pin broxton_headset_pins[] = {
+ {
+ .pin = "Mic Jack",
+ .mask = SND_JACK_MICROPHONE,
+ },
+ {
+ .pin = "Headphone Jack",
+ .mask = SND_JACK_HEADPHONE,
+ },
+};
+
+static const struct snd_kcontrol_new broxton_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Speaker"),
+ SOC_DAPM_PIN_SWITCH("Headphone Jack"),
+ SOC_DAPM_PIN_SWITCH("Mic Jack"),
+};
+
+static const struct snd_soc_dapm_widget broxton_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_MIC("Mic Jack", NULL),
+ SND_SOC_DAPM_MIC("DMIC2", 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),
+};
+
+static const struct snd_soc_dapm_route broxton_rt298_map[] = {
+ /* speaker */
+ {"Speaker", NULL, "SPOR"},
+ {"Speaker", NULL, "SPOL"},
+
+ /* HP jack connectors - unknown if we have jack detect */
+ {"Headphone Jack", NULL, "HPO Pin"},
+
+ /* other jacks */
+ {"MIC1", NULL, "Mic Jack"},
+
+ /* digital mics */
+ {"DMIC1 Pin", NULL, "DMIC2"},
+ {"DMic", NULL, "SoC DMIC"},
+
+ {"HDMI1", NULL, "hif5-0 Output"},
+ {"HDMI2", NULL, "hif6-0 Output"},
+ {"HDMI2", NULL, "hif7-0 Output"},
+
+ /* CODEC BE connections */
+ { "AIF1 Playback", NULL, "ssp5 Tx"},
+ { "ssp5 Tx", NULL, "codec0_out"},
+ { "ssp5 Tx", NULL, "codec1_out"},
+
+ { "codec0_in", NULL, "ssp5 Rx" },
+ { "ssp5 Rx", NULL, "AIF1 Capture" },
+
+ { "dmic01_hifi", NULL, "DMIC01 Rx" },
+ { "DMIC01 Rx", NULL, "Capture" },
+
+ { "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"},
+};
+
+static const struct snd_soc_dapm_route geminilake_rt298_map[] = {
+ /* speaker */
+ {"Speaker", NULL, "SPOR"},
+ {"Speaker", NULL, "SPOL"},
+
+ /* HP jack connectors - unknown if we have jack detect */
+ {"Headphone Jack", NULL, "HPO Pin"},
+
+ /* other jacks */
+ {"MIC1", NULL, "Mic Jack"},
+
+ /* digital mics */
+ {"DMIC1 Pin", NULL, "DMIC2"},
+ {"DMic", NULL, "SoC DMIC"},
+
+ {"HDMI1", NULL, "hif5-0 Output"},
+ {"HDMI2", NULL, "hif6-0 Output"},
+ {"HDMI2", NULL, "hif7-0 Output"},
+
+ /* CODEC BE connections */
+ { "AIF1 Playback", NULL, "ssp2 Tx"},
+ { "ssp2 Tx", NULL, "codec0_out"},
+ { "ssp2 Tx", NULL, "codec1_out"},
+
+ { "codec0_in", NULL, "ssp2 Rx" },
+ { "ssp2 Rx", NULL, "AIF1 Capture" },
+
+ { "dmic01_hifi", NULL, "DMIC01 Rx" },
+ { "DMIC01 Rx", NULL, "Capture" },
+
+ { "dmic_voice", NULL, "DMIC16k Rx" },
+ { "DMIC16k Rx", NULL, "Capture" },
+
+ { "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"},
+};
+
+static int broxton_rt298_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 int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_component *component = rtd->codec_dai->component;
+ int ret = 0;
+
+ ret = snd_soc_card_jack_new(rtd->card, "Headset",
+ SND_JACK_HEADSET | SND_JACK_BTN_0,
+ &broxton_headset,
+ broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins));
+
+ if (ret)
+ return ret;
+
+ rt298_mic_detect(component, &broxton_headset);
+
+ snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
+
+ return 0;
+}
+
+static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_dai *dai = rtd->codec_dai;
+ struct bxt_hdmi_pcm *pcm;
+
+ pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
+ if (!pcm)
+ return -ENOMEM;
+
+ pcm->device = BXT_DPCM_AUDIO_HDMI1_PB + dai->id;
+ pcm->codec_dai = dai;
+
+ list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
+
+ return 0;
+}
+
+static int broxton_ssp5_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 SSP5 to 24 bit */
+ snd_mask_none(fmt);
+ snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
+
+ return 0;
+}
+
+static int broxton_rt298_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, RT298_SCLK_S_PLL,
+ 19200000, SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(rtd->dev, "can't set codec sysclk configuration\n");
+ return ret;
+ }
+
+ return ret;
+}
+
+static const struct snd_soc_ops broxton_rt298_ops = {
+ .hw_params = broxton_rt298_hw_params,
+};
+
+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 int broxton_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);
+ channels->min = channels->max = 4;
+
+ return 0;
+}
+
+static const unsigned int channels_dmic[] = {
+ 1, 2, 3, 4,
+};
+
+static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
+ .count = ARRAY_SIZE(channels_dmic),
+ .list = channels_dmic,
+ .mask = 0,
+};
+
+static int broxton_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 const struct snd_soc_ops broxton_dmic_ops = {
+ .startup = broxton_dmic_startup,
+};
+
+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 bxt_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 broxton_rt286_fe_ops = {
+ .startup = bxt_fe_startup,
+};
+
+/* broxton digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link broxton_rt298_dais[] = {
+ /* Front End DAI links */
+ [BXT_DPCM_AUDIO_PB] =
+ {
+ .name = "Bxt Audio Port",
+ .stream_name = "Audio",
+ .cpu_dai_name = "System Pin",
+ .platform_name = "0000:00:0e.0",
+ .nonatomic = 1,
+ .dynamic = 1,
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .init = broxton_rt298_fe_init,
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dpcm_playback = 1,
+ .ops = &broxton_rt286_fe_ops,
+ },
+ [BXT_DPCM_AUDIO_CP] =
+ {
+ .name = "Bxt Audio Capture Port",
+ .stream_name = "Audio Record",
+ .cpu_dai_name = "System Pin",
+ .platform_name = "0000:00:0e.0",
+ .nonatomic = 1,
+ .dynamic = 1,
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dpcm_capture = 1,
+ .ops = &broxton_rt286_fe_ops,
+ },
+ [BXT_DPCM_AUDIO_REF_CP] =
+ {
+ .name = "Bxt 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,
+ },
+ [BXT_DPCM_AUDIO_DMIC_CP] =
+ {
+ .name = "Bxt 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 = &broxton_dmic_ops,
+ },
+ [BXT_DPCM_AUDIO_HDMI1_PB] =
+ {
+ .name = "Bxt 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,
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+ [BXT_DPCM_AUDIO_HDMI2_PB] =
+ {
+ .name = "Bxt 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,
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+ [BXT_DPCM_AUDIO_HDMI3_PB] =
+ {
+ .name = "Bxt 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",
+ .dpcm_playback = 1,
+ .init = NULL,
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+ /* Back End DAI links */
+ {
+ /* SSP5 - Codec */
+ .name = "SSP5-Codec",
+ .id = 0,
+ .cpu_dai_name = "SSP5 Pin",
+ .platform_name = "0000:00:0e.0",
+ .no_pcm = 1,
+ .codec_name = "i2c-INT343A:00",
+ .codec_dai_name = "rt298-aif1",
+ .init = broxton_rt298_codec_init,
+ .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ .ignore_pmdown_time = 1,
+ .be_hw_params_fixup = broxton_ssp5_fixup,
+ .ops = &broxton_rt298_ops,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ },
+ {
+ .name = "dmic01",
+ .id = 1,
+ .cpu_dai_name = "DMIC01 Pin",
+ .codec_name = "dmic-codec",
+ .codec_dai_name = "dmic-hifi",
+ .platform_name = "0000:00:0e.0",
+ .be_hw_params_fixup = broxton_dmic_fixup,
+ .ignore_suspend = 1,
+ .dpcm_capture = 1,
+ .no_pcm = 1,
+ },
+ {
+ .name = "dmic16k",
+ .id = 2,
+ .cpu_dai_name = "DMIC16k Pin",
+ .codec_name = "dmic-codec",
+ .codec_dai_name = "dmic-hifi",
+ .platform_name = "0000:00:0e.0",
+ .be_hw_params_fixup = broxton_dmic_fixup,
+ .ignore_suspend = 1,
+ .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 = broxton_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 = broxton_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 = broxton_hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ },
+};
+
+#define NAME_SIZE 32
+static int bxt_card_late_probe(struct snd_soc_card *card)
+{
+ struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(card);
+ struct bxt_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, &broxton_hdmi[i],
+ NULL, 0);
+
+ if (err)
+ return err;
+
+ err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
+ &broxton_hdmi[i]);
+ if (err < 0)
+ return err;
+
+ i++;
+ }
+
+ if (!component)
+ return -EINVAL;
+
+ return hdac_hdmi_jack_port_init(component, &card->dapm);
+}
+
+
+/* broxton audio machine driver for SPT + RT298S */
+static struct snd_soc_card broxton_rt298 = {
+ .name = "broxton-rt298",
+ .owner = THIS_MODULE,
+ .dai_link = broxton_rt298_dais,
+ .num_links = ARRAY_SIZE(broxton_rt298_dais),
+ .controls = broxton_controls,
+ .num_controls = ARRAY_SIZE(broxton_controls),
+ .dapm_widgets = broxton_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
+ .dapm_routes = broxton_rt298_map,
+ .num_dapm_routes = ARRAY_SIZE(broxton_rt298_map),
+ .fully_routed = true,
+ .late_probe = bxt_card_late_probe,
+
+};
+
+static struct snd_soc_card geminilake_rt298 = {
+ .name = "geminilake-rt298",
+ .owner = THIS_MODULE,
+ .dai_link = broxton_rt298_dais,
+ .num_links = ARRAY_SIZE(broxton_rt298_dais),
+ .controls = broxton_controls,
+ .num_controls = ARRAY_SIZE(broxton_controls),
+ .dapm_widgets = broxton_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
+ .dapm_routes = geminilake_rt298_map,
+ .num_dapm_routes = ARRAY_SIZE(geminilake_rt298_map),
+ .fully_routed = true,
+ .late_probe = bxt_card_late_probe,
+};
+
+static int broxton_audio_probe(struct platform_device *pdev)
+{
+ struct bxt_rt286_private *ctx;
+ struct snd_soc_card *card =
+ (struct snd_soc_card *)pdev->id_entry->driver_data;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(broxton_rt298_dais); i++) {
+ if (!strncmp(card->dai_link[i].codec_name, "i2c-INT343A:00",
+ I2C_NAME_SIZE)) {
+ if (!strncmp(card->name, "broxton-rt298",
+ PLATFORM_NAME_SIZE)) {
+ card->dai_link[i].name = "SSP5-Codec";
+ card->dai_link[i].cpu_dai_name = "SSP5 Pin";
+ } else if (!strncmp(card->name, "geminilake-rt298",
+ PLATFORM_NAME_SIZE)) {
+ card->dai_link[i].name = "SSP2-Codec";
+ card->dai_link[i].cpu_dai_name = "SSP2 Pin";
+ }
+ }
+ }
+
+ ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
+
+ card->dev = &pdev->dev;
+ snd_soc_card_set_drvdata(card, ctx);
+
+ return devm_snd_soc_register_card(&pdev->dev, card);
+}
+
+static const struct platform_device_id bxt_board_ids[] = {
+ { .name = "bxt_alc298s_i2s", .driver_data =
+ (unsigned long)&broxton_rt298 },
+ { .name = "glk_alc298s_i2s", .driver_data =
+ (unsigned long)&geminilake_rt298 },
+ {}
+};
+
+static struct platform_driver broxton_audio = {
+ .probe = broxton_audio_probe,
+ .driver = {
+ .name = "bxt_alc298s_i2s",
+ .pm = &snd_soc_pm_ops,
+ },
+ .id_table = bxt_board_ids,
+};
+module_platform_driver(broxton_audio)
+
+/* Module information */
+MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>");
+MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>");
+MODULE_DESCRIPTION("Intel SST Audio for Broxton");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:bxt_alc298s_i2s");
+MODULE_ALIAS("platform:glk_alc298s_i2s");