1 files changed, 340 insertions, 0 deletions

diff --git a/sound/soc/intel/avs/boards/rt5682.c b/sound/soc/intel/avs/boards/rt5682.c
new file mode 100644
index 000000000000..01f9b9f0c12b
--- /dev/null
+++ b/sound/soc/intel/avs/boards/rt5682.c
@@ -0,0 +1,340 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
+//
+// Authors: Cezary Rojewski <cezary.rojewski@intel.com>
+//          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
+//
+
+#include <linux/clk.h>
+#include <linux/dmi.h>
+#include <linux/i2c.h>
+#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/rt5682.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include "../../common/soc-intel-quirks.h"
+#include "../../../codecs/rt5682.h"
+
+#define AVS_RT5682_SSP_CODEC(quirk)	((quirk) & GENMASK(2, 0))
+#define AVS_RT5682_SSP_CODEC_MASK	(GENMASK(2, 0))
+#define AVS_RT5682_MCLK_EN		BIT(3)
+#define AVS_RT5682_MCLK_24MHZ		BIT(4)
+
+/* Default: MCLK on, MCLK 19.2M, SSP0 */
+static unsigned long avs_rt5682_quirk = AVS_RT5682_MCLK_EN | AVS_RT5682_SSP_CODEC(0);
+
+static int avs_rt5682_quirk_cb(const struct dmi_system_id *id)
+{
+	avs_rt5682_quirk = (unsigned long)id->driver_data;
+	return 1;
+}
+
+static const struct dmi_system_id avs_rt5682_quirk_table[] = {
+	{
+		.callback = avs_rt5682_quirk_cb,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "WhiskeyLake Client"),
+		},
+		.driver_data = (void *)(AVS_RT5682_MCLK_EN |
+					AVS_RT5682_MCLK_24MHZ |
+					AVS_RT5682_SSP_CODEC(1)),
+	},
+	{
+		.callback = avs_rt5682_quirk_cb,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client"),
+		},
+		.driver_data = (void *)(AVS_RT5682_MCLK_EN |
+					AVS_RT5682_SSP_CODEC(0)),
+	},
+	{}
+};
+
+static const struct snd_kcontrol_new card_controls[] = {
+	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
+	SOC_DAPM_PIN_SWITCH("Headset Mic"),
+};
+
+static const struct snd_soc_dapm_widget card_widgets[] = {
+	SND_SOC_DAPM_HP("Headphone Jack", NULL),
+	SND_SOC_DAPM_MIC("Headset Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route card_base_routes[] = {
+	/* HP jack connectors - unknown if we have jack detect */
+	{ "Headphone Jack", NULL, "HPOL" },
+	{ "Headphone Jack", NULL, "HPOR" },
+
+	/* other jacks */
+	{ "IN1P", NULL, "Headset Mic" },
+};
+
+static int avs_rt5682_codec_init(struct snd_soc_pcm_runtime *runtime)
+{
+	struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
+	struct snd_soc_jack *jack;
+	struct snd_soc_card *card = runtime->card;
+	int ret;
+
+	jack = snd_soc_card_get_drvdata(card);
+
+	/* Need to enable ASRC function for 24MHz mclk rate */
+	if ((avs_rt5682_quirk & AVS_RT5682_MCLK_EN) &&
+	    (avs_rt5682_quirk & AVS_RT5682_MCLK_24MHZ)) {
+		rt5682_sel_asrc_clk_src(component, RT5682_DA_STEREO1_FILTER |
+					RT5682_AD_STEREO1_FILTER, RT5682_CLK_SEL_I2S1_ASRC);
+	}
+
+	/*
+	 * Headset buttons map to the google Reference headset.
+	 * These can be configured by userspace.
+	 */
+	ret = snd_soc_card_jack_new(card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0 |
+				    SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, jack);
+	if (ret) {
+		dev_err(card->dev, "Headset Jack creation failed: %d\n", ret);
+		return ret;
+	}
+
+	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
+	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
+	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
+	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
+
+	ret = snd_soc_component_set_jack(component, jack, NULL);
+	if (ret) {
+		dev_err(card->dev, "Headset Jack call-back failed: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+};
+
+static int
+avs_rt5682_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *runtime = asoc_substream_to_rtd(substream);
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(runtime, 0);
+	int clk_id, clk_freq;
+	int pll_out, ret;
+
+	if (avs_rt5682_quirk & AVS_RT5682_MCLK_EN) {
+		clk_id = RT5682_PLL1_S_MCLK;
+		if (avs_rt5682_quirk & AVS_RT5682_MCLK_24MHZ)
+			clk_freq = 24000000;
+		else
+			clk_freq = 19200000;
+	} else {
+		clk_id = RT5682_PLL1_S_BCLK1;
+		clk_freq = params_rate(params) * 50;
+	}
+
+	pll_out = params_rate(params) * 512;
+
+	ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, pll_out);
+	if (ret < 0)
+		dev_err(runtime->dev, "snd_soc_dai_set_pll err = %d\n", ret);
+
+	/* Configure sysclk for codec */
+	ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1, pll_out, SND_SOC_CLOCK_IN);
+	if (ret < 0)
+		dev_err(runtime->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
+
+	/* slot_width should equal or large than data length, set them be the same */
+	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x0, 0x0, 2, params_width(params));
+	if (ret < 0) {
+		dev_err(runtime->dev, "set TDM slot err:%d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_ops avs_rt5682_ops = {
+	.hw_params = avs_rt5682_hw_params,
+};
+
+static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
+			       struct snd_soc_dai_link **dai_link)
+{
+	struct snd_soc_dai_link_component *platform;
+	struct snd_soc_dai_link *dl;
+
+	dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
+	platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
+	if (!dl || !platform)
+		return -ENOMEM;
+
+	platform->name = platform_name;
+
+	dl->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_port);
+	dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
+	dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
+	if (!dl->name || !dl->cpus || !dl->codecs)
+		return -ENOMEM;
+
+	dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_port);
+	dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5682:00");
+	dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, "rt5682-aif1");
+	if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
+		return -ENOMEM;
+
+	dl->num_cpus = 1;
+	dl->num_codecs = 1;
+	dl->platforms = platform;
+	dl->num_platforms = 1;
+	dl->id = 0;
+	dl->init = avs_rt5682_codec_init;
+	dl->ops = &avs_rt5682_ops;
+	dl->nonatomic = 1;
+	dl->no_pcm = 1;
+	dl->dpcm_capture = 1;
+	dl->dpcm_playback = 1;
+
+	*dai_link = dl;
+
+	return 0;
+}
+
+static int avs_create_dapm_routes(struct device *dev, int ssp_port,
+				  struct snd_soc_dapm_route **routes, int *num_routes)
+{
+	struct snd_soc_dapm_route *dr;
+	const int num_base = ARRAY_SIZE(card_base_routes);
+	const int num_dr = num_base + 2;
+	int idx;
+
+	dr = devm_kcalloc(dev, num_dr, sizeof(*dr), GFP_KERNEL);
+	if (!dr)
+		return -ENOMEM;
+
+	memcpy(dr, card_base_routes, num_base * sizeof(*dr));
+
+	idx = num_base;
+	dr[idx].sink = devm_kasprintf(dev, GFP_KERNEL, "AIF1 Playback");
+	dr[idx].source = devm_kasprintf(dev, GFP_KERNEL, "ssp%d Tx", ssp_port);
+	if (!dr[idx].sink || !dr[idx].source)
+		return -ENOMEM;
+
+	idx++;
+	dr[idx].sink = devm_kasprintf(dev, GFP_KERNEL, "ssp%d Rx", ssp_port);
+	dr[idx].source = devm_kasprintf(dev, GFP_KERNEL, "AIF1 Capture");
+	if (!dr[idx].sink || !dr[idx].source)
+		return -ENOMEM;
+
+	*routes = dr;
+	*num_routes = num_dr;
+
+	return 0;
+}
+
+static int avs_card_set_jack(struct snd_soc_card *card, struct snd_soc_jack *jack)
+{
+	struct snd_soc_component *component;
+
+	for_each_card_components(card, component)
+		snd_soc_component_set_jack(component, jack, NULL);
+	return 0;
+}
+
+static int avs_card_remove(struct snd_soc_card *card)
+{
+	return avs_card_set_jack(card, NULL);
+}
+
+static int avs_card_suspend_pre(struct snd_soc_card *card)
+{
+	return avs_card_set_jack(card, NULL);
+}
+
+static int avs_card_resume_post(struct snd_soc_card *card)
+{
+	struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
+
+	return avs_card_set_jack(card, jack);
+}
+
+static int avs_rt5682_probe(struct platform_device *pdev)
+{
+	struct snd_soc_dapm_route *routes;
+	struct snd_soc_dai_link *dai_link;
+	struct snd_soc_acpi_mach *mach;
+	struct snd_soc_card *card;
+	struct snd_soc_jack *jack;
+	struct device *dev = &pdev->dev;
+	const char *pname;
+	int num_routes, ssp_port, ret;
+
+	if (pdev->id_entry && pdev->id_entry->driver_data)
+		avs_rt5682_quirk = (unsigned long)pdev->id_entry->driver_data;
+
+	dmi_check_system(avs_rt5682_quirk_table);
+	dev_dbg(dev, "avs_rt5682_quirk = %lx\n", avs_rt5682_quirk);
+
+	mach = dev_get_platdata(dev);
+	pname = mach->mach_params.platform;
+	ssp_port = __ffs(mach->mach_params.i2s_link_mask);
+
+	ret = avs_create_dai_link(dev, pname, ssp_port, &dai_link);
+	if (ret) {
+		dev_err(dev, "Failed to create dai link: %d", ret);
+		return ret;
+	}
+
+	ret = avs_create_dapm_routes(dev, ssp_port, &routes, &num_routes);
+	if (ret) {
+		dev_err(dev, "Failed to create dapm routes: %d", ret);
+		return ret;
+	}
+
+	jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);
+	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+	if (!jack || !card)
+		return -ENOMEM;
+
+	card->name = "avs_rt5682";
+	card->dev = dev;
+	card->owner = THIS_MODULE;
+	card->remove = avs_card_remove;
+	card->suspend_pre = avs_card_suspend_pre;
+	card->resume_post = avs_card_resume_post;
+	card->dai_link = dai_link;
+	card->num_links = 1;
+	card->controls = card_controls;
+	card->num_controls = ARRAY_SIZE(card_controls);
+	card->dapm_widgets = card_widgets;
+	card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
+	card->dapm_routes = routes;
+	card->num_dapm_routes = num_routes;
+	card->fully_routed = true;
+	snd_soc_card_set_drvdata(card, jack);
+
+	ret = snd_soc_fixup_dai_links_platform_name(card, pname);
+	if (ret)
+		return ret;
+
+	return devm_snd_soc_register_card(dev, card);
+}
+
+static struct platform_driver avs_rt5682_driver = {
+	.probe = avs_rt5682_probe,
+	.driver = {
+		.name = "avs_rt5682",
+		.pm = &snd_soc_pm_ops,
+	},
+};
+
+module_platform_driver(avs_rt5682_driver)
+
+MODULE_AUTHOR("Cezary Rojewski <cezary.rojewski@intel.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:avs_rt5682");