1 files changed, 600 insertions, 0 deletions

diff --git a/sound/soc/amd/acp/acp-mach-common.c b/sound/soc/amd/acp/acp-mach-common.c
new file mode 100644
index 000000000000..7785f12aa006
--- /dev/null
+++ b/sound/soc/amd/acp/acp-mach-common.c
@@ -0,0 +1,600 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+//
+// This file is provided under a dual BSD/GPLv2 license. When using or
+// redistributing this file, you may do so under either license.
+//
+// Copyright(c) 2021 Advanced Micro Devices, Inc.
+//
+// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
+//	    Vijendar Mukunda <Vijendar.Mukunda@amd.com>
+//
+
+/*
+ * Machine Driver Interface for ACP HW block
+ */
+
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/pcm_params.h>
+#include <sound/soc-dapm.h>
+#include <sound/soc.h>
+#include <linux/input.h>
+#include <linux/module.h>
+
+#include "../../codecs/rt5682.h"
+#include "../../codecs/rt1019.h"
+#include "../../codecs/rt5682s.h"
+#include "acp-mach.h"
+
+#define PCO_PLAT_CLK 48000000
+#define RT5682_PLL_FREQ (48000 * 512)
+#define DUAL_CHANNEL	2
+#define FOUR_CHANNEL	4
+
+static struct snd_soc_jack pco_jack;
+
+static const unsigned int channels[] = {
+	DUAL_CHANNEL,
+};
+
+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 struct snd_pcm_hw_constraint_list constraints_channels = {
+	.count = ARRAY_SIZE(channels),
+	.list = channels,
+	.mask = 0,
+};
+
+static int acp_clk_enable(struct acp_card_drvdata *drvdata)
+{
+	clk_set_rate(drvdata->wclk, 48000);
+	clk_set_rate(drvdata->bclk, 48000 * 64);
+
+	return clk_prepare_enable(drvdata->wclk);
+}
+
+/* Declare RT5682 codec components */
+SND_SOC_DAILINK_DEF(rt5682,
+	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00", "rt5682-aif1")));
+
+static const struct snd_soc_dapm_route rt5682_map[] = {
+	{ "Headphone Jack", NULL, "HPOL" },
+	{ "Headphone Jack", NULL, "HPOR" },
+	{ "IN1P", NULL, "Headset Mic" },
+};
+
+/* Define card ops for RT5682 CODEC */
+static int acp_card_rt5682_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_card *card = rtd->card;
+	struct acp_card_drvdata *drvdata = card->drvdata;
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	struct snd_soc_component *component = codec_dai->component;
+	int ret;
+
+	dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);
+
+	if (drvdata->hs_codec_id != RT5682)
+		return -EINVAL;
+
+	ret =  snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+				   | SND_SOC_DAIFMT_CBP_CFP);
+	if (ret < 0) {
+		dev_err(rtd->card->dev, "Failed to set dai fmt: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL2, RT5682_PLL2_S_MCLK,
+				  PCO_PLAT_CLK, RT5682_PLL_FREQ);
+	if (ret < 0) {
+		dev_err(rtd->dev, "Failed to set codec PLL: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL2,
+				     RT5682_PLL_FREQ, SND_SOC_CLOCK_IN);
+	if (ret < 0) {
+		dev_err(rtd->dev, "Failed to set codec SYSCLK: %d\n", ret);
+		return ret;
+	}
+
+	/* Set tdm/i2s1 master bclk ratio */
+	ret = snd_soc_dai_set_bclk_ratio(codec_dai, 64);
+	if (ret < 0) {
+		dev_err(rtd->dev, "Failed to set rt5682 tdm bclk ratio: %d\n", ret);
+		return ret;
+	}
+
+	drvdata->wclk = clk_get(component->dev, "rt5682-dai-wclk");
+	drvdata->bclk = clk_get(component->dev, "rt5682-dai-bclk");
+
+	ret = snd_soc_card_jack_new(card, "Headset Jack",
+				    SND_JACK_HEADSET | SND_JACK_LINEOUT |
+				    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+				    SND_JACK_BTN_2 | SND_JACK_BTN_3,
+				    &pco_jack, NULL, 0);
+	if (ret) {
+		dev_err(card->dev, "HP jack creation failed %d\n", ret);
+		return ret;
+	}
+
+	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
+	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
+	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
+	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
+
+	ret = snd_soc_component_set_jack(component, &pco_jack, NULL);
+	if (ret) {
+		dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
+		return ret;
+	}
+
+	return snd_soc_dapm_add_routes(&rtd->card->dapm, rt5682_map, ARRAY_SIZE(rt5682_map));
+}
+
+static int acp_card_hs_startup(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_card *card = rtd->card;
+	struct acp_card_drvdata *drvdata = card->drvdata;
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	int ret;
+
+	ret =  snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+				   | SND_SOC_DAIFMT_CBP_CFP);
+	if (ret < 0) {
+		dev_err(rtd->card->dev, "Failed to set dai fmt: %d\n", ret);
+		return ret;
+	}
+
+	runtime->hw.channels_max = DUAL_CHANNEL;
+	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+				      &constraints_channels);
+	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+				      &constraints_rates);
+
+	ret = acp_clk_enable(drvdata);
+	if (ret < 0)
+		dev_err(rtd->card->dev, "Failed to enable HS clk: %d\n", ret);
+
+	return ret;
+}
+
+static void acp_card_shutdown(struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_card *card = rtd->card;
+	struct acp_card_drvdata *drvdata = card->drvdata;
+
+	clk_disable_unprepare(drvdata->wclk);
+}
+
+static const struct snd_soc_ops acp_card_rt5682_ops = {
+	.startup = acp_card_hs_startup,
+	.shutdown = acp_card_shutdown,
+};
+
+/* Define RT5682S CODEC component*/
+SND_SOC_DAILINK_DEF(rt5682s,
+		    DAILINK_COMP_ARRAY(COMP_CODEC("i2c-RTL5682:00", "rt5682s-aif1")));
+
+static const struct snd_soc_dapm_route rt5682s_map[] = {
+	{ "Headphone Jack", NULL, "HPOL" },
+	{ "Headphone Jack", NULL, "HPOR" },
+	{ "IN1P", NULL, "Headset Mic" },
+};
+
+static int acp_card_rt5682s_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_card *card = rtd->card;
+	struct acp_card_drvdata *drvdata = card->drvdata;
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	struct snd_soc_component *component = codec_dai->component;
+	int ret;
+
+	dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);
+
+	if (drvdata->hs_codec_id != RT5682S)
+		return -EINVAL;
+
+	ret =  snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+				   | SND_SOC_DAIFMT_CBP_CFP);
+	if (ret < 0) {
+		dev_err(rtd->card->dev, "Failed to set dai fmt: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dai_set_pll(codec_dai, RT5682S_PLL2, RT5682S_PLL_S_MCLK,
+				  PCO_PLAT_CLK, RT5682_PLL_FREQ);
+	if (ret < 0) {
+		dev_err(rtd->dev, "Failed to set codec PLL: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dai_set_sysclk(codec_dai, RT5682S_SCLK_S_PLL2,
+				     RT5682_PLL_FREQ, SND_SOC_CLOCK_IN);
+	if (ret < 0) {
+		dev_err(rtd->dev, "Failed to set codec SYSCLK: %d\n", ret);
+		return ret;
+	}
+
+	/* Set tdm/i2s1 master bclk ratio */
+	ret = snd_soc_dai_set_bclk_ratio(codec_dai, 64);
+	if (ret < 0) {
+		dev_err(rtd->dev, "Failed to set rt5682 tdm bclk ratio: %d\n", ret);
+		return ret;
+	}
+
+	drvdata->wclk = clk_get(component->dev, "rt5682-dai-wclk");
+	drvdata->bclk = clk_get(component->dev, "rt5682-dai-bclk");
+
+	ret = snd_soc_card_jack_new(card, "Headset Jack",
+				    SND_JACK_HEADSET | SND_JACK_LINEOUT |
+				    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+				    SND_JACK_BTN_2 | SND_JACK_BTN_3,
+				    &pco_jack, NULL, 0);
+	if (ret) {
+		dev_err(card->dev, "HP jack creation failed %d\n", ret);
+		return ret;
+	}
+
+	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
+	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
+	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
+	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
+
+	ret = snd_soc_component_set_jack(component, &pco_jack, NULL);
+	if (ret) {
+		dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
+		return ret;
+	}
+
+	return snd_soc_dapm_add_routes(&rtd->card->dapm, rt5682s_map, ARRAY_SIZE(rt5682s_map));
+}
+
+static const struct snd_soc_ops acp_card_rt5682s_ops = {
+	.startup = acp_card_hs_startup,
+	.shutdown = acp_card_shutdown,
+};
+
+/* Declare RT1019 codec components */
+SND_SOC_DAILINK_DEF(rt1019,
+	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC1019:01", "rt1019-aif"),
+			  COMP_CODEC("i2c-10EC1019:02", "rt1019-aif")));
+
+static const struct snd_soc_dapm_route rt1019_map_lr[] = {
+	{ "Left Spk", NULL, "Left SPO" },
+	{ "Right Spk", NULL, "Right SPO" },
+};
+
+static struct snd_soc_codec_conf rt1019_conf[] = {
+	{
+		 .dlc = COMP_CODEC_CONF("i2c-10EC1019:01"),
+		 .name_prefix = "Left",
+	},
+	{
+		 .dlc = COMP_CODEC_CONF("i2c-10EC1019:02"),
+		 .name_prefix = "Right",
+	},
+};
+
+static int acp_card_rt1019_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_card *card = rtd->card;
+	struct acp_card_drvdata *drvdata = card->drvdata;
+
+	if (drvdata->amp_codec_id != RT1019)
+		return -EINVAL;
+
+	return snd_soc_dapm_add_routes(&rtd->card->dapm, rt1019_map_lr,
+				       ARRAY_SIZE(rt1019_map_lr));
+}
+
+static int acp_card_rt1019_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_card *card = rtd->card;
+	struct acp_card_drvdata *drvdata = card->drvdata;
+	struct snd_soc_dai *codec_dai;
+	int srate, i, ret = 0;
+
+	srate = params_rate(params);
+
+	if (drvdata->amp_codec_id != RT1019)
+		return -EINVAL;
+
+	for_each_rtd_codec_dais(rtd, i, codec_dai) {
+		if (strcmp(codec_dai->name, "rt1019-aif"))
+			continue;
+
+		ret = snd_soc_dai_set_pll(codec_dai, 0, RT1019_PLL_S_BCLK,
+					  64 * srate, 256 * srate);
+		if (ret < 0)
+			return ret;
+
+		ret = snd_soc_dai_set_sysclk(codec_dai, RT1019_SCLK_S_PLL,
+					     256 * srate, SND_SOC_CLOCK_IN);
+		if (ret < 0)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int acp_card_amp_startup(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_card *card = rtd->card;
+	struct acp_card_drvdata *drvdata = card->drvdata;
+	int ret;
+
+	runtime->hw.channels_max = DUAL_CHANNEL;
+	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+				      &constraints_channels);
+	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+				      &constraints_rates);
+
+	ret = acp_clk_enable(drvdata);
+	if (ret < 0)
+		dev_err(rtd->card->dev, "Failed to enable AMP clk: %d\n", ret);
+
+	return ret;
+}
+
+static const struct snd_soc_ops acp_card_rt1019_ops = {
+	.startup = acp_card_amp_startup,
+	.shutdown = acp_card_shutdown,
+	.hw_params = acp_card_rt1019_hw_params,
+};
+
+/* Declare Maxim codec components */
+SND_SOC_DAILINK_DEF(max98360a,
+	DAILINK_COMP_ARRAY(COMP_CODEC("MX98360A:00", "HiFi")));
+
+static const struct snd_soc_dapm_route max98360a_map[] = {
+	{"Spk", NULL, "Speaker"},
+};
+
+static int acp_card_maxim_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_card *card = rtd->card;
+	struct acp_card_drvdata *drvdata = card->drvdata;
+
+	if (drvdata->amp_codec_id != MAX98360A)
+		return -EINVAL;
+
+	return snd_soc_dapm_add_routes(&rtd->card->dapm, max98360a_map,
+				       ARRAY_SIZE(max98360a_map));
+}
+
+static const struct snd_soc_ops acp_card_maxim_ops = {
+	.startup = acp_card_amp_startup,
+	.shutdown = acp_card_shutdown,
+};
+
+/* Declare DMIC codec components */
+SND_SOC_DAILINK_DEF(dmic_codec,
+		DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
+
+/* Declare ACP CPU components */
+static struct snd_soc_dai_link_component dummy_codec[] = {
+	{
+		.name = "snd-soc-dummy",
+		.dai_name = "snd-soc-dummy-dai",
+	}
+};
+
+static struct snd_soc_dai_link_component platform_component[] = {
+	{
+		 .name = "acp_asoc_renoir.0",
+	}
+};
+
+static struct snd_soc_dai_link_component sof_component[] = {
+	{
+		 .name = "0000:04:00.5",
+	}
+};
+
+SND_SOC_DAILINK_DEF(i2s_sp,
+	DAILINK_COMP_ARRAY(COMP_CPU("acp-i2s-sp")));
+SND_SOC_DAILINK_DEF(sof_sp,
+	DAILINK_COMP_ARRAY(COMP_CPU("acp-sof-sp")));
+SND_SOC_DAILINK_DEF(sof_dmic,
+	DAILINK_COMP_ARRAY(COMP_CPU("acp-sof-dmic")));
+
+int acp_sofdsp_dai_links_create(struct snd_soc_card *card)
+{
+	struct snd_soc_dai_link *links;
+	struct device *dev = card->dev;
+	struct acp_card_drvdata *drv_data = card->drvdata;
+	int i = 0, num_links = 0;
+
+	if (drv_data->hs_cpu_id)
+		num_links++;
+	if (drv_data->amp_cpu_id)
+		num_links++;
+	if (drv_data->dmic_cpu_id)
+		num_links++;
+
+	links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) * num_links, GFP_KERNEL);
+	if (!links)
+		return -ENOMEM;
+
+	if (drv_data->hs_cpu_id == I2S_SP) {
+		links[i].name = "acp-headset-codec";
+		links[i].id = HEADSET_BE_ID;
+		links[i].cpus = sof_sp;
+		links[i].num_cpus = ARRAY_SIZE(sof_sp);
+		links[i].platforms = sof_component;
+		links[i].num_platforms = ARRAY_SIZE(sof_component);
+		links[i].dpcm_playback = 1;
+		links[i].dpcm_capture = 1;
+		links[i].nonatomic = true;
+		links[i].no_pcm = 1;
+		if (!drv_data->hs_codec_id) {
+			/* Use dummy codec if codec id not specified */
+			links[i].codecs = dummy_codec;
+			links[i].num_codecs = ARRAY_SIZE(dummy_codec);
+		}
+		if (drv_data->hs_codec_id == RT5682) {
+			links[i].codecs = rt5682;
+			links[i].num_codecs = ARRAY_SIZE(rt5682);
+			links[i].init = acp_card_rt5682_init;
+			links[i].ops = &acp_card_rt5682_ops;
+		}
+		if (drv_data->hs_codec_id == RT5682S) {
+			links[i].codecs = rt5682s;
+			links[i].num_codecs = ARRAY_SIZE(rt5682s);
+			links[i].init = acp_card_rt5682s_init;
+			links[i].ops = &acp_card_rt5682s_ops;
+		}
+		i++;
+	}
+
+	if (drv_data->amp_cpu_id == I2S_SP) {
+		links[i].name = "acp-amp-codec";
+		links[i].id = AMP_BE_ID;
+		links[i].cpus = sof_sp;
+		links[i].num_cpus = ARRAY_SIZE(sof_sp);
+		links[i].platforms = sof_component;
+		links[i].num_platforms = ARRAY_SIZE(sof_component);
+		links[i].dpcm_playback = 1;
+		links[i].nonatomic = true;
+		links[i].no_pcm = 1;
+		if (!drv_data->amp_codec_id) {
+			/* Use dummy codec if codec id not specified */
+			links[i].codecs = dummy_codec;
+			links[i].num_codecs = ARRAY_SIZE(dummy_codec);
+		}
+		if (drv_data->amp_codec_id == RT1019) {
+			links[i].codecs = rt1019;
+			links[i].num_codecs = ARRAY_SIZE(rt1019);
+			links[i].ops = &acp_card_rt1019_ops;
+			links[i].init = acp_card_rt1019_init;
+			card->codec_conf = rt1019_conf;
+			card->num_configs = ARRAY_SIZE(rt1019_conf);
+		}
+		if (drv_data->amp_codec_id == MAX98360A) {
+			links[i].codecs = max98360a;
+			links[i].num_codecs = ARRAY_SIZE(max98360a);
+			links[i].ops = &acp_card_maxim_ops;
+			links[i].init = acp_card_maxim_init;
+		}
+		i++;
+	}
+
+	if (drv_data->dmic_cpu_id == DMIC) {
+		links[i].name = "acp-dmic-codec";
+		links[i].id = DMIC_BE_ID;
+		links[i].codecs = dmic_codec;
+		links[i].num_codecs = ARRAY_SIZE(dmic_codec);
+		links[i].cpus = sof_dmic;
+		links[i].num_cpus = ARRAY_SIZE(sof_dmic);
+		links[i].platforms = sof_component;
+		links[i].num_platforms = ARRAY_SIZE(sof_component);
+		links[i].dpcm_capture = 1;
+		links[i].nonatomic = true;
+		links[i].no_pcm = 1;
+	}
+
+	card->dai_link = links;
+	card->num_links = num_links;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(acp_sofdsp_dai_links_create, SND_SOC_AMD_MACH);
+
+int acp_legacy_dai_links_create(struct snd_soc_card *card)
+{
+	struct snd_soc_dai_link *links;
+	struct device *dev = card->dev;
+	struct acp_card_drvdata *drv_data = card->drvdata;
+	int i = 0, num_links = 0;
+
+	if (drv_data->hs_cpu_id)
+		num_links++;
+	if (drv_data->amp_cpu_id)
+		num_links++;
+	if (drv_data->dmic_cpu_id)
+		num_links++;
+
+	links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) * num_links, GFP_KERNEL);
+
+	if (drv_data->hs_cpu_id == I2S_SP) {
+		links[i].name = "acp-headset-codec";
+		links[i].id = HEADSET_BE_ID;
+		links[i].cpus = i2s_sp;
+		links[i].num_cpus = ARRAY_SIZE(i2s_sp);
+		links[i].platforms = platform_component;
+		links[i].num_platforms = ARRAY_SIZE(platform_component);
+		links[i].dpcm_playback = 1;
+		links[i].dpcm_capture = 1;
+		if (!drv_data->hs_codec_id) {
+			/* Use dummy codec if codec id not specified */
+			links[i].codecs = dummy_codec;
+			links[i].num_codecs = ARRAY_SIZE(dummy_codec);
+		}
+		if (drv_data->hs_codec_id == RT5682) {
+			links[i].codecs = rt5682;
+			links[i].num_codecs = ARRAY_SIZE(rt5682);
+			links[i].init = acp_card_rt5682_init;
+			links[i].ops = &acp_card_rt5682_ops;
+		}
+		if (drv_data->hs_codec_id == RT5682S) {
+			links[i].codecs = rt5682s;
+			links[i].num_codecs = ARRAY_SIZE(rt5682s);
+			links[i].init = acp_card_rt5682s_init;
+			links[i].ops = &acp_card_rt5682s_ops;
+		}
+		i++;
+	}
+
+	if (drv_data->amp_cpu_id == I2S_SP) {
+		links[i].name = "acp-amp-codec";
+		links[i].id = AMP_BE_ID;
+		links[i].cpus = i2s_sp;
+		links[i].num_cpus = ARRAY_SIZE(i2s_sp);
+		links[i].platforms = platform_component;
+		links[i].num_platforms = ARRAY_SIZE(platform_component);
+		links[i].dpcm_playback = 1;
+		if (!drv_data->amp_codec_id) {
+			/* Use dummy codec if codec id not specified */
+			links[i].codecs = dummy_codec;
+			links[i].num_codecs = ARRAY_SIZE(dummy_codec);
+		}
+		if (drv_data->amp_codec_id == RT1019) {
+			links[i].codecs = rt1019;
+			links[i].num_codecs = ARRAY_SIZE(rt1019);
+			links[i].ops = &acp_card_rt1019_ops;
+			links[i].init = acp_card_rt1019_init;
+			card->codec_conf = rt1019_conf;
+			card->num_configs = ARRAY_SIZE(rt1019_conf);
+		}
+		if (drv_data->amp_codec_id == MAX98360A) {
+			links[i].codecs = max98360a;
+			links[i].num_codecs = ARRAY_SIZE(max98360a);
+			links[i].ops = &acp_card_maxim_ops;
+			links[i].init = acp_card_maxim_init;
+		}
+	}
+
+	card->dai_link = links;
+	card->num_links = num_links;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(acp_legacy_dai_links_create, SND_SOC_AMD_MACH);
+
+MODULE_LICENSE("GPL v2");