ASoC: Intel: avs: Add rt5682 machine board (74810278) · Commits · git / linux-net

sound/soc/intel/avs/boards/Kconfig

+10 −0

Original line number	Diff line number	Diff line
		@@ -56,4 +56,14 @@ config SND_SOC_INTEL_AVS_MACH_RT298
		Say Y or m if you have such a device. This is a recommended option.
		If unsure select "N".

		config SND_SOC_INTEL_AVS_MACH_RT5682
		tristate "rt5682 in I2S mode"
		depends on I2C
		depends on MFD_INTEL_LPSS \|\| COMPILE_TEST
		select SND_SOC_RT5682_I2C
		help
		This adds support for ASoC machine driver with RT5682 I2S audio codec.
		Say Y or m if you have such a device. This is a recommended option.
		If unsure select "N".

		endmenu

sound/soc/intel/avs/boards/Makefile

+2 −0

Original line number	Diff line number	Diff line
		@@ -6,6 +6,7 @@ snd-soc-avs-i2s-test-objs := i2s_test.o
		snd-soc-avs-rt274-objs := rt274.o
		snd-soc-avs-rt286-objs := rt286.o
		snd-soc-avs-rt298-objs := rt298.o
		snd-soc-avs-rt5682-objs := rt5682.o

		obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_DMIC) += snd-soc-avs-dmic.o
		obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_HDAUDIO) += snd-soc-avs-hdaudio.o
		@@ -13,3 +14,4 @@ obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_i2s_TEST) += snd-soc-avs-i2s-test.o
		obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_RT274) += snd-soc-avs-rt274.o
		obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_RT286) += snd-soc-avs-rt286.o
		obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_RT298) += snd-soc-avs-rt298.o
		obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_RT5682) += snd-soc-avs-rt5682.o

sound/soc/intel/avs/boards/rt5682.c

0 → 100644

+340 −0

Original line number	Diff line number	Diff line
		// 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");