sound/soc/intel/boards/sof_ssp_amp.c - linux - Git at Google

 // SPDX-License-Identifier: GPL-2.0-only
 //
 // Copyright(c) 2022 Intel Corporation. All rights reserved.

 /*
  * sof_ssp_amp.c - ASoc Machine driver for Intel platforms
  * with RT1308/CS35L41 codec.
  */

 #include <linux/acpi.h>
 #include <linux/delay.h>
 #include <linux/dmi.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/sof.h>
 #include "../../codecs/hdac_hdmi.h"
 #include "hda_dsp_common.h"
 #include "sof_realtek_common.h"
 #include "sof_cirrus_common.h"

 #define NAME_SIZE 32

 /* SSP port ID for speaker amplifier */
 #define SOF_AMPLIFIER_SSP(quirk)		((quirk) & GENMASK(3, 0))
 #define SOF_AMPLIFIER_SSP_MASK			(GENMASK(3, 0))

 /* HDMI capture*/
 #define SOF_SSP_HDMI_CAPTURE_PRESENT		BIT(4)
 #define SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT		5
 #define SOF_NO_OF_HDMI_CAPTURE_SSP_MASK		(GENMASK(6, 5))
 #define SOF_NO_OF_HDMI_CAPTURE_SSP(quirk)	\
 	(((quirk) << SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT) & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK)

 #define SOF_HDMI_CAPTURE_1_SSP_SHIFT		7
 #define SOF_HDMI_CAPTURE_1_SSP_MASK		(GENMASK(9, 7))
 #define SOF_HDMI_CAPTURE_1_SSP(quirk)	\
 	(((quirk) << SOF_HDMI_CAPTURE_1_SSP_SHIFT) & SOF_HDMI_CAPTURE_1_SSP_MASK)

 #define SOF_HDMI_CAPTURE_2_SSP_SHIFT		10
 #define SOF_HDMI_CAPTURE_2_SSP_MASK		(GENMASK(12, 10))
 #define SOF_HDMI_CAPTURE_2_SSP(quirk)	\
 	(((quirk) << SOF_HDMI_CAPTURE_2_SSP_SHIFT) & SOF_HDMI_CAPTURE_2_SSP_MASK)

 /* HDMI playback */
 #define SOF_HDMI_PLAYBACK_PRESENT		BIT(13)
 #define SOF_NO_OF_HDMI_PLAYBACK_SHIFT		14
 #define SOF_NO_OF_HDMI_PLAYBACK_MASK		(GENMASK(16, 14))
 #define SOF_NO_OF_HDMI_PLAYBACK(quirk)	\
 	(((quirk) << SOF_NO_OF_HDMI_PLAYBACK_SHIFT) & SOF_NO_OF_HDMI_PLAYBACK_MASK)

 /* BT audio offload */
 #define SOF_SSP_BT_OFFLOAD_PRESENT		BIT(17)
 #define SOF_BT_OFFLOAD_SSP_SHIFT		18
 #define SOF_BT_OFFLOAD_SSP_MASK			(GENMASK(20, 18))
 #define SOF_BT_OFFLOAD_SSP(quirk)	\
 	(((quirk) << SOF_BT_OFFLOAD_SSP_SHIFT) & SOF_BT_OFFLOAD_SSP_MASK)

 /* Speaker amplifiers */
 #define SOF_RT1308_SPEAKER_AMP_PRESENT		BIT(21)
 #define SOF_CS35L41_SPEAKER_AMP_PRESENT		BIT(22)

 /* Default: SSP2  */
 static unsigned long sof_ssp_amp_quirk = SOF_AMPLIFIER_SSP(2);

 struct sof_hdmi_pcm {
 	struct list_head head;
 	struct snd_soc_jack sof_hdmi;
 	struct snd_soc_dai *codec_dai;
 	int device;
 };

 struct sof_card_private {
 	struct list_head hdmi_pcm_list;
 	bool common_hdmi_codec_drv;
 	bool idisp_codec;
 };

 static const struct dmi_system_id chromebook_platforms[] = {
 	{
 		.ident = "Google Chromebooks",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 		}
 	},
 	{},
 };

 static const struct snd_soc_dapm_widget sof_ssp_amp_dapm_widgets[] = {
 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 };

 static const struct snd_soc_dapm_route sof_ssp_amp_dapm_routes[] = {
 	/* digital mics */
 	{"DMic", NULL, "SoC DMIC"},
 };

 static int sof_card_late_probe(struct snd_soc_card *card)
 {
 	struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
 	struct snd_soc_component *component = NULL;
 	char jack_name[NAME_SIZE];
 	struct sof_hdmi_pcm *pcm;
 	int err;
 	int i;

 	if (!(sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT))
 		return 0;

 	/* HDMI is not supported by SOF on Baytrail/CherryTrail */
 	if (!ctx->idisp_codec)
 		return 0;

 	if (list_empty(&ctx->hdmi_pcm_list))
 		return -EINVAL;

 	if (ctx->common_hdmi_codec_drv) {
 		pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm,
 				       head);
 		component = pcm->codec_dai->component;
 		return hda_dsp_hdmi_build_controls(card, component);
 	}

 	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, &pcm->sof_hdmi);

 		if (err)
 			return err;

 		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
 					  &pcm->sof_hdmi);
 		if (err < 0)
 			return err;

 		i++;
 	}

 	return hdac_hdmi_jack_port_init(component, &card->dapm);
 }

 static struct snd_soc_card sof_ssp_amp_card = {
 	.name         = "ssp_amp",
 	.owner        = THIS_MODULE,
 	.dapm_widgets = sof_ssp_amp_dapm_widgets,
 	.num_dapm_widgets = ARRAY_SIZE(sof_ssp_amp_dapm_widgets),
 	.dapm_routes = sof_ssp_amp_dapm_routes,
 	.num_dapm_routes = ARRAY_SIZE(sof_ssp_amp_dapm_routes),
 	.fully_routed = true,
 	.late_probe = sof_card_late_probe,
 };

 static struct snd_soc_dai_link_component platform_component[] = {
 	{
 		/* name might be overridden during probe */
 		.name = "0000:00:1f.3"
 	}
 };

 static struct snd_soc_dai_link_component dmic_component[] = {
 	{
 		.name = "dmic-codec",
 		.dai_name = "dmic-hifi",
 	}
 };

 static struct snd_soc_dai_link_component dummy_component[] = {
 	{
 		.name = "snd-soc-dummy",
 		.dai_name = "snd-soc-dummy-dai",
 	}
 };

 static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
 	struct sof_hdmi_pcm *pcm;

 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 	if (!pcm)
 		return -ENOMEM;

 	/* dai_link id is 1:1 mapped to the PCM device */
 	pcm->device = rtd->dai_link->id;
 	pcm->codec_dai = dai;

 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);

 	return 0;
 }

 #define IDISP_CODEC_MASK	0x4

 static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
 							  int ssp_codec,
 							  int dmic_be_num,
 							  int hdmi_num,
 							  bool idisp_codec)
 {
 	struct snd_soc_dai_link_component *idisp_components;
 	struct snd_soc_dai_link_component *cpus;
 	struct snd_soc_dai_link *links;
 	int i, id = 0;

 	links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) *
 					sof_ssp_amp_card.num_links, GFP_KERNEL);
 	cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component) *
 					sof_ssp_amp_card.num_links, GFP_KERNEL);
 	if (!links || !cpus)
 		return NULL;

 	/* HDMI-In SSP */
 	if (sof_ssp_amp_quirk & SOF_SSP_HDMI_CAPTURE_PRESENT) {
 		int num_of_hdmi_ssp = (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK) >>
 				SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT;

 		for (i = 1; i <= num_of_hdmi_ssp; i++) {
 			int port = (i == 1 ? (sof_ssp_amp_quirk & SOF_HDMI_CAPTURE_1_SSP_MASK) >>
 						SOF_HDMI_CAPTURE_1_SSP_SHIFT :
 						(sof_ssp_amp_quirk & SOF_HDMI_CAPTURE_2_SSP_MASK) >>
 						SOF_HDMI_CAPTURE_2_SSP_SHIFT);

 			links[id].cpus = &cpus[id];
 			links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 								  "SSP%d Pin", port);
 			if (!links[id].cpus->dai_name)
 				return NULL;
 			links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-HDMI", port);
 			if (!links[id].name)
 				return NULL;
 			links[id].id = id;
 			links[id].codecs = dummy_component;
 			links[id].num_codecs = ARRAY_SIZE(dummy_component);
 			links[id].platforms = platform_component;
 			links[id].num_platforms = ARRAY_SIZE(platform_component);
 			links[id].dpcm_capture = 1;
 			links[id].no_pcm = 1;
 			links[id].num_cpus = 1;
 			id++;
 		}
 	}

 	/* codec SSP */
 	links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_codec);
 	if (!links[id].name)
 		return NULL;

 	links[id].id = id;
 	if (sof_ssp_amp_quirk & SOF_RT1308_SPEAKER_AMP_PRESENT) {
 		sof_rt1308_dai_link(&links[id]);
 	} else if (sof_ssp_amp_quirk & SOF_CS35L41_SPEAKER_AMP_PRESENT) {
 		cs35l41_set_dai_link(&links[id]);

 		/* feedback from amplifier */
 		links[id].dpcm_capture = 1;
 	}
 	links[id].platforms = platform_component;
 	links[id].num_platforms = ARRAY_SIZE(platform_component);
 	links[id].dpcm_playback = 1;
 	links[id].no_pcm = 1;
 	links[id].cpus = &cpus[id];
 	links[id].num_cpus = 1;
 	links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_codec);
 	if (!links[id].cpus->dai_name)
 		return NULL;

 	id++;

 	/* dmic */
 	if (dmic_be_num > 0) {
 		/* at least we have dmic01 */
 		links[id].name = "dmic01";
 		links[id].cpus = &cpus[id];
 		links[id].cpus->dai_name = "DMIC01 Pin";
 		if (dmic_be_num > 1) {
 			/* set up 2 BE links at most */
 			links[id + 1].name = "dmic16k";
 			links[id + 1].cpus = &cpus[id + 1];
 			links[id + 1].cpus->dai_name = "DMIC16k Pin";
 			dmic_be_num = 2;
 		}
 	}

 	for (i = 0; i < dmic_be_num; i++) {
 		links[id].id = id;
 		links[id].num_cpus = 1;
 		links[id].codecs = dmic_component;
 		links[id].num_codecs = ARRAY_SIZE(dmic_component);
 		links[id].platforms = platform_component;
 		links[id].num_platforms = ARRAY_SIZE(platform_component);
 		links[id].ignore_suspend = 1;
 		links[id].dpcm_capture = 1;
 		links[id].no_pcm = 1;
 		id++;
 	}

 	/* HDMI playback */
 	if (sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT) {
 		/* HDMI */
 		if (hdmi_num > 0) {
 			idisp_components = devm_kzalloc(dev,
 					   sizeof(struct snd_soc_dai_link_component) *
 					   hdmi_num, GFP_KERNEL);
 			if (!idisp_components)
 				goto devm_err;
 		}
 		for (i = 1; i <= hdmi_num; i++) {
 			links[id].name = devm_kasprintf(dev, GFP_KERNEL,
 							"iDisp%d", i);
 			if (!links[id].name)
 				goto devm_err;

 			links[id].id = id;
 			links[id].cpus = &cpus[id];
 			links[id].num_cpus = 1;
 			links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 								  "iDisp%d Pin", i);
 			if (!links[id].cpus->dai_name)
 				goto devm_err;

 			if (idisp_codec) {
 				idisp_components[i - 1].name = "ehdaudio0D2";
 				idisp_components[i - 1].dai_name = devm_kasprintf(dev,
 										  GFP_KERNEL,
 										  "intel-hdmi-hifi%d",
 										  i);
 				if (!idisp_components[i - 1].dai_name)
 					goto devm_err;
 			} else {
 				idisp_components[i - 1].name = "snd-soc-dummy";
 				idisp_components[i - 1].dai_name = "snd-soc-dummy-dai";
 			}

 			links[id].codecs = &idisp_components[i - 1];
 			links[id].num_codecs = 1;
 			links[id].platforms = platform_component;
 			links[id].num_platforms = ARRAY_SIZE(platform_component);
 			links[id].init = sof_hdmi_init;
 			links[id].dpcm_playback = 1;
 			links[id].no_pcm = 1;
 			id++;
 		}
 	}

 	/* BT audio offload */
 	if (sof_ssp_amp_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
 		int port = (sof_ssp_amp_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
 				SOF_BT_OFFLOAD_SSP_SHIFT;

 		links[id].id = id;
 		links[id].cpus = &cpus[id];
 		links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 							  "SSP%d Pin", port);
 		if (!links[id].cpus->dai_name)
 			goto devm_err;
 		links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port);
 		if (!links[id].name)
 			goto devm_err;
 		links[id].codecs = dummy_component;
 		links[id].num_codecs = ARRAY_SIZE(dummy_component);
 		links[id].platforms = platform_component;
 		links[id].num_platforms = ARRAY_SIZE(platform_component);
 		links[id].dpcm_playback = 1;
 		links[id].dpcm_capture = 1;
 		links[id].no_pcm = 1;
 		links[id].num_cpus = 1;
 		id++;
 	}

 	return links;
 devm_err:
 	return NULL;
 }

 static int sof_ssp_amp_probe(struct platform_device *pdev)
 {
 	struct snd_soc_dai_link *dai_links;
 	struct snd_soc_acpi_mach *mach;
 	struct sof_card_private *ctx;
 	int dmic_be_num = 0, hdmi_num = 0;
 	int ret, ssp_codec;

 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
 	if (!ctx)
 		return -ENOMEM;

 	if (pdev->id_entry && pdev->id_entry->driver_data)
 		sof_ssp_amp_quirk = (unsigned long)pdev->id_entry->driver_data;

 	mach = pdev->dev.platform_data;

 	if (dmi_check_system(chromebook_platforms) || mach->mach_params.dmic_num > 0)
 		dmic_be_num = 2;

 	ssp_codec = sof_ssp_amp_quirk & SOF_AMPLIFIER_SSP_MASK;

 	/* set number of dai links */
 	sof_ssp_amp_card.num_links = 1 + dmic_be_num;

 	if (sof_ssp_amp_quirk & SOF_SSP_HDMI_CAPTURE_PRESENT)
 		sof_ssp_amp_card.num_links += (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK) >>
 				SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT;

 	if (sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT) {
 		hdmi_num = (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_PLAYBACK_MASK) >>
 				SOF_NO_OF_HDMI_PLAYBACK_SHIFT;
 		/* default number of HDMI DAI's */
 		if (!hdmi_num)
 			hdmi_num = 3;

 		if (mach->mach_params.codec_mask & IDISP_CODEC_MASK)
 			ctx->idisp_codec = true;

 		sof_ssp_amp_card.num_links += hdmi_num;
 	}

 	if (sof_ssp_amp_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
 		sof_ssp_amp_card.num_links++;

 	dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, dmic_be_num, hdmi_num, ctx->idisp_codec);
 	if (!dai_links)
 		return -ENOMEM;

 	sof_ssp_amp_card.dai_link = dai_links;

 	/* update codec_conf */
 	if (sof_ssp_amp_quirk & SOF_CS35L41_SPEAKER_AMP_PRESENT) {
 		cs35l41_set_codec_conf(&sof_ssp_amp_card);
 	}

 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);

 	sof_ssp_amp_card.dev = &pdev->dev;

 	/* set platform name for each dailink */
 	ret = snd_soc_fixup_dai_links_platform_name(&sof_ssp_amp_card,
 						    mach->mach_params.platform);
 	if (ret)
 		return ret;

 	ctx->common_hdmi_codec_drv = mach->mach_params.common_hdmi_codec_drv;

 	snd_soc_card_set_drvdata(&sof_ssp_amp_card, ctx);

 	return devm_snd_soc_register_card(&pdev->dev, &sof_ssp_amp_card);
 }

 static const struct platform_device_id board_ids[] = {
 	{
 		.name = "sof_ssp_amp",
 	},
 	{
 		.name = "tgl_rt1308_hdmi_ssp",
 		.driver_data = (kernel_ulong_t)(SOF_AMPLIFIER_SSP(2) |
 					SOF_NO_OF_HDMI_CAPTURE_SSP(2) |
 					SOF_HDMI_CAPTURE_1_SSP(1) |
 					SOF_HDMI_CAPTURE_2_SSP(5) |
 					SOF_SSP_HDMI_CAPTURE_PRESENT |
 					SOF_RT1308_SPEAKER_AMP_PRESENT),
 	},
 	{
 		.name = "adl_cs35l41",
 		.driver_data = (kernel_ulong_t)(SOF_AMPLIFIER_SSP(1) |
 					SOF_NO_OF_HDMI_PLAYBACK(4) |
 					SOF_HDMI_PLAYBACK_PRESENT |
 					SOF_BT_OFFLOAD_SSP(2) |
 					SOF_SSP_BT_OFFLOAD_PRESENT |
 					SOF_CS35L41_SPEAKER_AMP_PRESENT),
 	},
 	{ }
 };
 MODULE_DEVICE_TABLE(platform, board_ids);

 static struct platform_driver sof_ssp_amp_driver = {
 	.probe          = sof_ssp_amp_probe,
 	.driver = {
 		.name   = "sof_ssp_amp",
 		.pm = &snd_soc_pm_ops,
 	},
 	.id_table = board_ids,
 };
 module_platform_driver(sof_ssp_amp_driver);

 MODULE_DESCRIPTION("ASoC Intel(R) SOF Amplifier Machine driver");
 MODULE_AUTHOR("balamurugan.c <balamurugan.c@intel.com>");
 MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>");
 MODULE_LICENSE("GPL");
 MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_REALTEK_COMMON);
 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_CIRRUS_COMMON);
	// SPDX-License-Identifier: GPL-2.0-only
	//
	// Copyright(c) 2022 Intel Corporation. All rights reserved.

	/*
	* sof_ssp_amp.c - ASoc Machine driver for Intel platforms
	* with RT1308/CS35L41 codec.
	*/

	#include <linux/acpi.h>
	#include <linux/delay.h>
	#include <linux/dmi.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/sof.h>
	#include "../../codecs/hdac_hdmi.h"
	#include "hda_dsp_common.h"
	#include "sof_realtek_common.h"
	#include "sof_cirrus_common.h"

	#define NAME_SIZE 32

	/* SSP port ID for speaker amplifier */
	#define SOF_AMPLIFIER_SSP(quirk) ((quirk) & GENMASK(3, 0))
	#define SOF_AMPLIFIER_SSP_MASK (GENMASK(3, 0))

	/* HDMI capture*/
	#define SOF_SSP_HDMI_CAPTURE_PRESENT BIT(4)
	#define SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT 5
	#define SOF_NO_OF_HDMI_CAPTURE_SSP_MASK (GENMASK(6, 5))
	#define SOF_NO_OF_HDMI_CAPTURE_SSP(quirk) \
	(((quirk) << SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT) & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK)

	#define SOF_HDMI_CAPTURE_1_SSP_SHIFT 7
	#define SOF_HDMI_CAPTURE_1_SSP_MASK (GENMASK(9, 7))
	#define SOF_HDMI_CAPTURE_1_SSP(quirk) \
	(((quirk) << SOF_HDMI_CAPTURE_1_SSP_SHIFT) & SOF_HDMI_CAPTURE_1_SSP_MASK)

	#define SOF_HDMI_CAPTURE_2_SSP_SHIFT 10
	#define SOF_HDMI_CAPTURE_2_SSP_MASK (GENMASK(12, 10))
	#define SOF_HDMI_CAPTURE_2_SSP(quirk) \
	(((quirk) << SOF_HDMI_CAPTURE_2_SSP_SHIFT) & SOF_HDMI_CAPTURE_2_SSP_MASK)

	/* HDMI playback */
	#define SOF_HDMI_PLAYBACK_PRESENT BIT(13)
	#define SOF_NO_OF_HDMI_PLAYBACK_SHIFT 14
	#define SOF_NO_OF_HDMI_PLAYBACK_MASK (GENMASK(16, 14))
	#define SOF_NO_OF_HDMI_PLAYBACK(quirk) \
	(((quirk) << SOF_NO_OF_HDMI_PLAYBACK_SHIFT) & SOF_NO_OF_HDMI_PLAYBACK_MASK)

	/* BT audio offload */
	#define SOF_SSP_BT_OFFLOAD_PRESENT BIT(17)
	#define SOF_BT_OFFLOAD_SSP_SHIFT 18
	#define SOF_BT_OFFLOAD_SSP_MASK (GENMASK(20, 18))
	#define SOF_BT_OFFLOAD_SSP(quirk) \
	(((quirk) << SOF_BT_OFFLOAD_SSP_SHIFT) & SOF_BT_OFFLOAD_SSP_MASK)

	/* Speaker amplifiers */
	#define SOF_RT1308_SPEAKER_AMP_PRESENT BIT(21)
	#define SOF_CS35L41_SPEAKER_AMP_PRESENT BIT(22)

	/* Default: SSP2 */
	static unsigned long sof_ssp_amp_quirk = SOF_AMPLIFIER_SSP(2);

	struct sof_hdmi_pcm {
	struct list_head head;
	struct snd_soc_jack sof_hdmi;
	struct snd_soc_dai *codec_dai;
	int device;
	};

	struct sof_card_private {
	struct list_head hdmi_pcm_list;
	bool common_hdmi_codec_drv;
	bool idisp_codec;
	};

	static const struct dmi_system_id chromebook_platforms[] = {
	{
	.ident = "Google Chromebooks",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Google"),
	}
	},
	{},
	};

	static const struct snd_soc_dapm_widget sof_ssp_amp_dapm_widgets[] = {
	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
	};

	static const struct snd_soc_dapm_route sof_ssp_amp_dapm_routes[] = {
	/* digital mics */
	{"DMic", NULL, "SoC DMIC"},
	};

	static int sof_card_late_probe(struct snd_soc_card *card)
	{
	struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
	struct snd_soc_component *component = NULL;
	char jack_name[NAME_SIZE];
	struct sof_hdmi_pcm *pcm;
	int err;
	int i;

	if (!(sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT))
	return 0;

	/* HDMI is not supported by SOF on Baytrail/CherryTrail */
	if (!ctx->idisp_codec)
	return 0;

	if (list_empty(&ctx->hdmi_pcm_list))
	return -EINVAL;

	if (ctx->common_hdmi_codec_drv) {
	pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm,
	head);
	component = pcm->codec_dai->component;
	return hda_dsp_hdmi_build_controls(card, component);
	}

	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, &pcm->sof_hdmi);

	if (err)
	return err;

	err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
	&pcm->sof_hdmi);
	if (err < 0)
	return err;

	i++;
	}

	return hdac_hdmi_jack_port_init(component, &card->dapm);
	}

	static struct snd_soc_card sof_ssp_amp_card = {
	.name = "ssp_amp",
	.owner = THIS_MODULE,
	.dapm_widgets = sof_ssp_amp_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(sof_ssp_amp_dapm_widgets),
	.dapm_routes = sof_ssp_amp_dapm_routes,
	.num_dapm_routes = ARRAY_SIZE(sof_ssp_amp_dapm_routes),
	.fully_routed = true,
	.late_probe = sof_card_late_probe,
	};

	static struct snd_soc_dai_link_component platform_component[] = {
	{
	/* name might be overridden during probe */
	.name = "0000:00:1f.3"
	}
	};

	static struct snd_soc_dai_link_component dmic_component[] = {
	{
	.name = "dmic-codec",
	.dai_name = "dmic-hifi",
	}
	};

	static struct snd_soc_dai_link_component dummy_component[] = {
	{
	.name = "snd-soc-dummy",
	.dai_name = "snd-soc-dummy-dai",
	}
	};

	static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
	{
	struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
	struct sof_hdmi_pcm *pcm;

	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
	if (!pcm)
	return -ENOMEM;

	/* dai_link id is 1:1 mapped to the PCM device */
	pcm->device = rtd->dai_link->id;
	pcm->codec_dai = dai;

	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);

	return 0;
	}

	#define IDISP_CODEC_MASK 0x4

	static struct snd_soc_dai_link sof_card_dai_links_create(struct device dev,
	int ssp_codec,
	int dmic_be_num,
	int hdmi_num,
	bool idisp_codec)
	{
	struct snd_soc_dai_link_component *idisp_components;
	struct snd_soc_dai_link_component *cpus;
	struct snd_soc_dai_link *links;
	int i, id = 0;

	links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) *
	sof_ssp_amp_card.num_links, GFP_KERNEL);
	cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component) *
	sof_ssp_amp_card.num_links, GFP_KERNEL);
	if (!links \|\| !cpus)
	return NULL;

	/* HDMI-In SSP */
	if (sof_ssp_amp_quirk & SOF_SSP_HDMI_CAPTURE_PRESENT) {
	int num_of_hdmi_ssp = (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK) >>
	SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT;

	for (i = 1; i <= num_of_hdmi_ssp; i++) {
	int port = (i == 1 ? (sof_ssp_amp_quirk & SOF_HDMI_CAPTURE_1_SSP_MASK) >>
	SOF_HDMI_CAPTURE_1_SSP_SHIFT :
	(sof_ssp_amp_quirk & SOF_HDMI_CAPTURE_2_SSP_MASK) >>
	SOF_HDMI_CAPTURE_2_SSP_SHIFT);

	links[id].cpus = &cpus[id];
	links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
	"SSP%d Pin", port);
	if (!links[id].cpus->dai_name)
	return NULL;
	links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-HDMI", port);
	if (!links[id].name)
	return NULL;
	links[id].id = id;
	links[id].codecs = dummy_component;
	links[id].num_codecs = ARRAY_SIZE(dummy_component);
	links[id].platforms = platform_component;
	links[id].num_platforms = ARRAY_SIZE(platform_component);
	links[id].dpcm_capture = 1;
	links[id].no_pcm = 1;
	links[id].num_cpus = 1;
	id++;
	}
	}

	/* codec SSP */
	links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_codec);
	if (!links[id].name)
	return NULL;

	links[id].id = id;
	if (sof_ssp_amp_quirk & SOF_RT1308_SPEAKER_AMP_PRESENT) {
	sof_rt1308_dai_link(&links[id]);
	} else if (sof_ssp_amp_quirk & SOF_CS35L41_SPEAKER_AMP_PRESENT) {
	cs35l41_set_dai_link(&links[id]);

	/* feedback from amplifier */
	links[id].dpcm_capture = 1;
	}
	links[id].platforms = platform_component;
	links[id].num_platforms = ARRAY_SIZE(platform_component);
	links[id].dpcm_playback = 1;
	links[id].no_pcm = 1;
	links[id].cpus = &cpus[id];
	links[id].num_cpus = 1;
	links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_codec);
	if (!links[id].cpus->dai_name)
	return NULL;

	id++;

	/* dmic */
	if (dmic_be_num > 0) {
	/* at least we have dmic01 */
	links[id].name = "dmic01";
	links[id].cpus = &cpus[id];
	links[id].cpus->dai_name = "DMIC01 Pin";
	if (dmic_be_num > 1) {
	/* set up 2 BE links at most */
	links[id + 1].name = "dmic16k";
	links[id + 1].cpus = &cpus[id + 1];
	links[id + 1].cpus->dai_name = "DMIC16k Pin";
	dmic_be_num = 2;
	}
	}

	for (i = 0; i < dmic_be_num; i++) {
	links[id].id = id;
	links[id].num_cpus = 1;
	links[id].codecs = dmic_component;
	links[id].num_codecs = ARRAY_SIZE(dmic_component);
	links[id].platforms = platform_component;
	links[id].num_platforms = ARRAY_SIZE(platform_component);
	links[id].ignore_suspend = 1;
	links[id].dpcm_capture = 1;
	links[id].no_pcm = 1;
	id++;
	}

	/* HDMI playback */
	if (sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT) {
	/* HDMI */
	if (hdmi_num > 0) {
	idisp_components = devm_kzalloc(dev,
	sizeof(struct snd_soc_dai_link_component) *
	hdmi_num, GFP_KERNEL);
	if (!idisp_components)
	goto devm_err;
	}
	for (i = 1; i <= hdmi_num; i++) {
	links[id].name = devm_kasprintf(dev, GFP_KERNEL,
	"iDisp%d", i);
	if (!links[id].name)
	goto devm_err;

	links[id].id = id;
	links[id].cpus = &cpus[id];
	links[id].num_cpus = 1;
	links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
	"iDisp%d Pin", i);
	if (!links[id].cpus->dai_name)
	goto devm_err;

	if (idisp_codec) {
	idisp_components[i - 1].name = "ehdaudio0D2";
	idisp_components[i - 1].dai_name = devm_kasprintf(dev,
	GFP_KERNEL,
	"intel-hdmi-hifi%d",
	i);
	if (!idisp_components[i - 1].dai_name)
	goto devm_err;
	} else {
	idisp_components[i - 1].name = "snd-soc-dummy";
	idisp_components[i - 1].dai_name = "snd-soc-dummy-dai";
	}

	links[id].codecs = &idisp_components[i - 1];
	links[id].num_codecs = 1;
	links[id].platforms = platform_component;
	links[id].num_platforms = ARRAY_SIZE(platform_component);
	links[id].init = sof_hdmi_init;
	links[id].dpcm_playback = 1;
	links[id].no_pcm = 1;
	id++;
	}
	}

	/* BT audio offload */
	if (sof_ssp_amp_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
	int port = (sof_ssp_amp_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
	SOF_BT_OFFLOAD_SSP_SHIFT;

	links[id].id = id;
	links[id].cpus = &cpus[id];
	links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
	"SSP%d Pin", port);
	if (!links[id].cpus->dai_name)
	goto devm_err;
	links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port);
	if (!links[id].name)
	goto devm_err;
	links[id].codecs = dummy_component;
	links[id].num_codecs = ARRAY_SIZE(dummy_component);
	links[id].platforms = platform_component;
	links[id].num_platforms = ARRAY_SIZE(platform_component);
	links[id].dpcm_playback = 1;
	links[id].dpcm_capture = 1;
	links[id].no_pcm = 1;
	links[id].num_cpus = 1;
	id++;
	}

	return links;
	devm_err:
	return NULL;
	}

	static int sof_ssp_amp_probe(struct platform_device *pdev)
	{
	struct snd_soc_dai_link *dai_links;
	struct snd_soc_acpi_mach *mach;
	struct sof_card_private *ctx;
	int dmic_be_num = 0, hdmi_num = 0;
	int ret, ssp_codec;

	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
	if (!ctx)
	return -ENOMEM;

	if (pdev->id_entry && pdev->id_entry->driver_data)
	sof_ssp_amp_quirk = (unsigned long)pdev->id_entry->driver_data;

	mach = pdev->dev.platform_data;

	if (dmi_check_system(chromebook_platforms) \|\| mach->mach_params.dmic_num > 0)
	dmic_be_num = 2;

	ssp_codec = sof_ssp_amp_quirk & SOF_AMPLIFIER_SSP_MASK;

	/* set number of dai links */
	sof_ssp_amp_card.num_links = 1 + dmic_be_num;

	if (sof_ssp_amp_quirk & SOF_SSP_HDMI_CAPTURE_PRESENT)
	sof_ssp_amp_card.num_links += (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK) >>
	SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT;

	if (sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT) {
	hdmi_num = (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_PLAYBACK_MASK) >>
	SOF_NO_OF_HDMI_PLAYBACK_SHIFT;
	/* default number of HDMI DAI's */
	if (!hdmi_num)
	hdmi_num = 3;

	if (mach->mach_params.codec_mask & IDISP_CODEC_MASK)
	ctx->idisp_codec = true;

	sof_ssp_amp_card.num_links += hdmi_num;
	}

	if (sof_ssp_amp_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
	sof_ssp_amp_card.num_links++;

	dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, dmic_be_num, hdmi_num, ctx->idisp_codec);
	if (!dai_links)
	return -ENOMEM;

	sof_ssp_amp_card.dai_link = dai_links;

	/* update codec_conf */
	if (sof_ssp_amp_quirk & SOF_CS35L41_SPEAKER_AMP_PRESENT) {
	cs35l41_set_codec_conf(&sof_ssp_amp_card);
	}

	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);

	sof_ssp_amp_card.dev = &pdev->dev;

	/* set platform name for each dailink */
	ret = snd_soc_fixup_dai_links_platform_name(&sof_ssp_amp_card,
	mach->mach_params.platform);
	if (ret)
	return ret;

	ctx->common_hdmi_codec_drv = mach->mach_params.common_hdmi_codec_drv;

	snd_soc_card_set_drvdata(&sof_ssp_amp_card, ctx);

	return devm_snd_soc_register_card(&pdev->dev, &sof_ssp_amp_card);
	}

	static const struct platform_device_id board_ids[] = {
	{
	.name = "sof_ssp_amp",
	},
	{
	.name = "tgl_rt1308_hdmi_ssp",
	.driver_data = (kernel_ulong_t)(SOF_AMPLIFIER_SSP(2) \|
	SOF_NO_OF_HDMI_CAPTURE_SSP(2) \|
	SOF_HDMI_CAPTURE_1_SSP(1) \|
	SOF_HDMI_CAPTURE_2_SSP(5) \|
	SOF_SSP_HDMI_CAPTURE_PRESENT \|
	SOF_RT1308_SPEAKER_AMP_PRESENT),
	},
	{
	.name = "adl_cs35l41",
	.driver_data = (kernel_ulong_t)(SOF_AMPLIFIER_SSP(1) \|
	SOF_NO_OF_HDMI_PLAYBACK(4) \|
	SOF_HDMI_PLAYBACK_PRESENT \|
	SOF_BT_OFFLOAD_SSP(2) \|
	SOF_SSP_BT_OFFLOAD_PRESENT \|
	SOF_CS35L41_SPEAKER_AMP_PRESENT),
	},
	{ }
	};
	MODULE_DEVICE_TABLE(platform, board_ids);

	static struct platform_driver sof_ssp_amp_driver = {
	.probe = sof_ssp_amp_probe,
	.driver = {
	.name = "sof_ssp_amp",
	.pm = &snd_soc_pm_ops,
	},
	.id_table = board_ids,
	};
	module_platform_driver(sof_ssp_amp_driver);

	MODULE_DESCRIPTION("ASoC Intel(R) SOF Amplifier Machine driver");
	MODULE_AUTHOR("balamurugan.c <balamurugan.c@intel.com>");
	MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>");
	MODULE_LICENSE("GPL");
	MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
	MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_REALTEK_COMMON);
	MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_CIRRUS_COMMON);