[PATCH v1 1/2] ASoC: amd: acp: Add support for nau8825 and max98360 card

[V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com>]

We have new platform with nau8825 as a primary codec and max98360 as an
amp codec. Add machine struct to register sof audio based sound card
on such Chrome machine.

Signed-off-by: V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com>
---
 sound/soc/amd/acp-config.c          |   9 ++
 sound/soc/amd/acp/Kconfig           |   1 +
 sound/soc/amd/acp/acp-mach-common.c | 159 ++++++++++++++++++++++++++--
 sound/soc/amd/acp/acp-mach.h        |   3 +
 sound/soc/amd/acp/acp-sof-mach.c    |  15 +++
 5 files changed, 181 insertions(+), 6 deletions(-)

diff --git a/sound/soc/amd/acp-config.c b/sound/soc/amd/acp-config.c
index b28dadf778ae..49c571e92a20 100644
--- a/sound/soc/amd/acp-config.c
+++ b/sound/soc/amd/acp-config.c
@@ -138,6 +138,15 @@ struct snd_soc_acpi_mach snd_soc_acpi_amd_rmb_sof_machines[] = {
 		.fw_filename = "sof-rmb.ri",
 		.sof_tplg_filename = "sof-acp-rmb.tplg",
 	},
+	{
+		.id = "10508825",
+		.drv_name = "nau8825-max",
+		.pdata = (void *)&acp_quirk_data,
+		.machine_quirk = snd_soc_acpi_codec_list,
+		.quirk_data = &amp_max,
+		.fw_filename = "sof-rmb.ri",
+		.sof_tplg_filename = "sof-acp-rmb.tplg",
+	},
 	{},
 };
 EXPORT_SYMBOL(snd_soc_acpi_amd_rmb_sof_machines);
diff --git a/sound/soc/amd/acp/Kconfig b/sound/soc/amd/acp/Kconfig
index 9dae2719084c..7e56d2644105 100644
--- a/sound/soc/amd/acp/Kconfig
+++ b/sound/soc/amd/acp/Kconfig
@@ -49,6 +49,7 @@ config SND_SOC_AMD_MACH_COMMON
 	select SND_SOC_RT1019
 	select SND_SOC_MAX98357A
 	select SND_SOC_RT5682S
+	select SND_SOC_NAU8825
 	help
 	  This option enables common Machine driver module for ACP.
 
diff --git a/sound/soc/amd/acp/acp-mach-common.c b/sound/soc/amd/acp/acp-mach-common.c
index 7da583112250..9e0f1399a5ab 100644
--- a/sound/soc/amd/acp/acp-mach-common.c
+++ b/sound/soc/amd/acp/acp-mach-common.c
@@ -24,6 +24,7 @@
 #include "../../codecs/rt5682.h"
 #include "../../codecs/rt1019.h"
 #include "../../codecs/rt5682s.h"
+#include "../../codecs/nau8825.h"
 #include "acp-mach.h"
 
 #define PCO_PLAT_CLK 48000000
@@ -175,7 +176,8 @@ static void acp_card_shutdown(struct snd_pcm_substream *substream)
 	struct snd_soc_card *card = rtd->card;
 	struct acp_card_drvdata *drvdata = card->drvdata;
 
-	clk_disable_unprepare(drvdata->wclk);
+	if (!drvdata->soc_mclk)
+		clk_disable_unprepare(drvdata->wclk);
 }
 
 static const struct snd_soc_ops acp_card_rt5682_ops = {
@@ -363,7 +365,7 @@ static int acp_card_amp_startup(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;
-	int ret;
+	int ret = 0;
 
 	runtime->hw.channels_max = DUAL_CHANNEL;
 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
@@ -371,10 +373,13 @@ static int acp_card_amp_startup(struct snd_pcm_substream *substream)
 	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);
-
+	if (!drvdata->soc_mclk) {
+		ret = acp_clk_enable(drvdata);
+		if (ret < 0) {
+			dev_err(rtd->card->dev, "Failed to enable AMP clk: %d\n", ret);
+			return ret;
+		}
+	}
 	return ret;
 }
 
@@ -409,6 +414,97 @@ static const struct snd_soc_ops acp_card_maxim_ops = {
 	.shutdown = acp_card_shutdown,
 };
 
+/* Declare nau8825 codec components */
+SND_SOC_DAILINK_DEF(nau8825,
+		    DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10508825:00", "nau8825-hifi")));
+
+static const struct snd_soc_dapm_route nau8825_map[] = {
+	{ "Headphone Jack", NULL, "HPOL" },
+	{ "Headphone Jack", NULL, "HPOR" },
+};
+
+static int acp_card_nau8825_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;
+	unsigned int fmt;
+	int ret;
+
+	dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);
+
+	if (drvdata->hs_codec_id != NAU8825)
+		return -EINVAL;
+
+	if (drvdata->soc_mclk)
+		fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
+	else
+		fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBP_CFP;
+
+	ret =  snd_soc_dai_set_fmt(codec_dai, fmt);
+	if (ret < 0) {
+		dev_err(rtd->card->dev, "Failed to set dai fmt: %d\n", ret);
+		return ret;
+	}
+	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, nau8825_map, ARRAY_SIZE(nau8825_map));
+}
+
+static int acp_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_FLL_FS,
+				     (48000 * 256), SND_SOC_CLOCK_IN);
+	if (ret < 0)
+		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
+
+	return ret;
+}
+
+static int acp_nau8825_startup(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+
+	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_list(runtime, 0,
+				   SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
+	return 0;
+}
+
+static const struct snd_soc_ops acp_card_nau8825_ops = {
+	.startup =  acp_nau8825_startup,
+	.hw_params = acp_nau8825_hw_params,
+};
+
 /* Declare DMIC codec components */
 SND_SOC_DAILINK_DEF(dmic_codec,
 		DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
@@ -437,6 +533,8 @@ 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_hs,
+		    DAILINK_COMP_ARRAY(COMP_CPU("acp-sof-hs")));
 SND_SOC_DAILINK_DEF(sof_dmic,
 	DAILINK_COMP_ARRAY(COMP_CPU("acp-sof-dmic")));
 SND_SOC_DAILINK_DEF(pdm_dmic,
@@ -491,6 +589,31 @@ int acp_sofdsp_dai_links_create(struct snd_soc_card *card)
 		i++;
 	}
 
+	if (drv_data->hs_cpu_id == I2S_HS) {
+		links[i].name = "acp-headset-codec";
+		links[i].id = HEADSET_BE_ID;
+		links[i].cpus = sof_hs;
+		links[i].num_cpus = ARRAY_SIZE(sof_hs);
+		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 == NAU8825) {
+			links[i].codecs = nau8825;
+			links[i].num_codecs = ARRAY_SIZE(nau8825);
+			links[i].init = acp_card_nau8825_init;
+			links[i].ops = &acp_card_nau8825_ops;
+		}
+		i++;
+	}
+
 	if (drv_data->amp_cpu_id == I2S_SP) {
 		links[i].name = "acp-amp-codec";
 		links[i].id = AMP_BE_ID;
@@ -523,6 +646,30 @@ int acp_sofdsp_dai_links_create(struct snd_soc_card *card)
 		i++;
 	}
 
+	if (drv_data->amp_cpu_id == I2S_HS) {
+		links[i].name = "acp-amp-codec";
+		links[i].id = AMP_BE_ID;
+		links[i].cpus = sof_hs;
+		links[i].num_cpus = ARRAY_SIZE(sof_hs);
+		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 == 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;
diff --git a/sound/soc/amd/acp/acp-mach.h b/sound/soc/amd/acp/acp-mach.h
index 5dc47cfbff10..c95ee1c52eb1 100644
--- a/sound/soc/amd/acp/acp-mach.h
+++ b/sound/soc/amd/acp/acp-mach.h
@@ -26,6 +26,7 @@ enum be_id {
 
 enum cpu_endpoints {
 	NONE = 0,
+	I2S_HS,
 	I2S_SP,
 	I2S_BT,
 	DMIC,
@@ -37,6 +38,7 @@ enum codec_endpoints {
 	RT1019,
 	MAX98360A,
 	RT5682S,
+	NAU8825,
 };
 
 struct acp_card_drvdata {
@@ -49,6 +51,7 @@ struct acp_card_drvdata {
 	unsigned int dai_fmt;
 	struct clk *wclk;
 	struct clk *bclk;
+	bool soc_mclk;
 };
 
 int acp_sofdsp_dai_links_create(struct snd_soc_card *card);
diff --git a/sound/soc/amd/acp/acp-sof-mach.c b/sound/soc/amd/acp/acp-sof-mach.c
index dc2786cc81ef..eac858b1f20d 100644
--- a/sound/soc/amd/acp/acp-sof-mach.c
+++ b/sound/soc/amd/acp/acp-sof-mach.c
@@ -56,6 +56,16 @@ static struct acp_card_drvdata sof_rt5682s_max_data = {
 	.dmic_codec_id = DMIC,
 };
 
+static struct acp_card_drvdata sof_nau8825_data = {
+	.hs_cpu_id = I2S_HS,
+	.amp_cpu_id = I2S_HS,
+	.dmic_cpu_id = DMIC,
+	.hs_codec_id = NAU8825,
+	.amp_codec_id = MAX98360A,
+	.dmic_codec_id = DMIC,
+	.soc_mclk = true,
+};
+
 static const struct snd_kcontrol_new acp_controls[] = {
 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
@@ -124,6 +134,10 @@ static const struct platform_device_id board_ids[] = {
 		.name = "rt5682s-rt1019",
 		.driver_data = (kernel_ulong_t)&sof_rt5682s_rt1019_data
 	},
+	{
+		.name = "nau8825-max",
+		.driver_data = (kernel_ulong_t)&sof_nau8825_data
+	},
 	{ }
 };
 static struct platform_driver acp_asoc_audio = {
@@ -142,4 +156,5 @@ MODULE_ALIAS("platform:rt5682-rt1019");
 MODULE_ALIAS("platform:rt5682-max");
 MODULE_ALIAS("platform:rt5682s-max");
 MODULE_ALIAS("platform:rt5682s-rt1019");
+MODULE_ALIAS("platform:nau8825-max");
 MODULE_LICENSE("GPL v2");
-- 
2.25.1