ASoC: Intel: avs: Add support for rt5514 codec

Merge series from Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>:

There are machines which use codec rt5514 as DMIC, add support for them.

sound/soc/intel/avs/board_selection.c

@@ -135,6 +135,15 @@ static struct snd_soc_acpi_mach avs_kbl_i2s_machines[] = {
 		},
 		.tplg_filename = "max98927-tplg.bin",
 	},
+	{
+		.id = "10EC5514",
+		.drv_name = "avs_rt5514",
+		.mach_params = {
+			.i2s_link_mask = AVS_SSP(0),
+		},
+		.pdata = (unsigned long[]){ 0x2, 0, 0, 0, 0, 0 }, /* SSP0 TDMs */
+		.tplg_filename = "rt5514-tplg.bin",
+	},
 	{
 		.id = "10EC5663",
 		.drv_name = "avs_rt5663",

sound/soc/intel/avs/boards/Kconfig

@@ -125,6 +125,16 @@ 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_RT5514
+	tristate "rt5514 in I2S mode"
+	depends on I2C
+	depends on MFD_INTEL_LPSS || COMPILE_TEST
+	select SND_SOC_RT5514
+	help
+	   This adds support for ASoC machine driver with RT5514 I2S audio codec.
+	   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_RT5663
 	tristate "rt5663 in I2S mode"
 	depends on I2C

sound/soc/intel/avs/boards/Makefile

@@ -13,6 +13,7 @@ snd-soc-avs-probe-objs := probe.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-rt5514-objs := rt5514.o
 snd-soc-avs-rt5663-objs := rt5663.o
 snd-soc-avs-rt5682-objs := rt5682.o
 snd-soc-avs-ssm4567-objs := ssm4567.o
@@ -30,6 +31,7 @@ obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_PROBE) += snd-soc-avs-probe.o
 obj-$(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-$(CONFIG_SND_SOC_INTEL_AVS_MACH_RT5514) += snd-soc-avs-rt5514.o
 obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_RT5663) += snd-soc-avs-rt5663.o
 obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_RT5682) += snd-soc-avs-rt5682.o
 obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_SSM4567) += snd-soc-avs-ssm4567.o

sound/soc/intel/avs/boards/rt5514.c

@@ -0,0 +1,187 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright(c) 2021-2023 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/input.h>
+#include <linux/module.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include "../../../codecs/rt5514.h"
+#include "../utils.h"
+
+#define RT5514_CODEC_DAI	"rt5514-aif1"
+
+static const struct snd_soc_dapm_widget card_widgets[] = {
+	SND_SOC_DAPM_MIC("DMIC", NULL),
+};
+
+static const struct snd_soc_dapm_route card_base_routes[] = {
+	/* DMIC */
+	{ "DMIC1L", NULL, "DMIC" },
+	{ "DMIC1R", NULL, "DMIC" },
+	{ "DMIC2L", NULL, "DMIC" },
+	{ "DMIC2R", NULL, "DMIC" },
+};
+
+static int avs_rt5514_codec_init(struct snd_soc_pcm_runtime *runtime)
+{
+	int ret = snd_soc_dapm_ignore_suspend(&runtime->card->dapm, "DMIC");
+
+	if (ret)
+		dev_err(runtime->dev, "DMIC - Ignore suspend failed = %d\n", ret);
+
+	return ret;
+}
+
+static int avs_rt5514_be_fixup(struct snd_soc_pcm_runtime *runtime,
+			       struct snd_pcm_hw_params *params)
+{
+	struct snd_interval *rate, *channels;
+	struct snd_mask *fmt;
+
+	rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
+	channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+	fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
+
+	rate->min = rate->max = 48000;
+	channels->min = channels->max = 4;
+
+	snd_mask_none(fmt);
+	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
+
+	return 0;
+}
+
+static int avs_rt5514_hw_params(struct snd_pcm_substream *substream,
+				struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
+	int ret;
+
+	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0, 8, 16);
+	if (ret < 0) {
+		dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dai_set_sysclk(codec_dai, RT5514_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
+	if (ret < 0)
+		dev_err(rtd->dev, "set sysclk err: %d\n", ret);
+
+	return ret;
+}
+
+static const struct snd_soc_ops avs_rt5514_ops = {
+	.hw_params = avs_rt5514_hw_params,
+};
+
+static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
+			       int tdm_slot, 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,
+				  AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
+	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,
+					    AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
+	dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5514:00");
+	dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT5514_CODEC_DAI);
+	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->dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS;
+	dl->init = avs_rt5514_codec_init;
+	dl->be_hw_params_fixup = avs_rt5514_be_fixup;
+	dl->nonatomic = 1;
+	dl->no_pcm = 1;
+	dl->dpcm_capture = 1;
+	dl->ops = &avs_rt5514_ops;
+
+	*dai_link = dl;
+
+	return 0;
+}
+
+static int avs_rt5514_probe(struct platform_device *pdev)
+{
+	struct snd_soc_dai_link *dai_link;
+	struct snd_soc_acpi_mach *mach;
+	struct snd_soc_card *card;
+	struct device *dev = &pdev->dev;
+	const char *pname;
+	int ssp_port, tdm_slot, ret;
+
+	mach = dev_get_platdata(dev);
+	pname = mach->mach_params.platform;
+
+	ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
+	if (ret)
+		return ret;
+
+	ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);
+	if (ret) {
+		dev_err(dev, "Failed to create dai link: %d", ret);
+		return ret;
+	}
+
+	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+	if (!card)
+		return -ENOMEM;
+
+	card->name = "avs_rt5514";
+	card->dev = dev;
+	card->owner = THIS_MODULE;
+	card->dai_link = dai_link;
+	card->num_links = 1;
+	card->dapm_widgets = card_widgets;
+	card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
+	card->dapm_routes = card_base_routes;
+	card->num_dapm_routes = ARRAY_SIZE(card_base_routes);
+	card->fully_routed = true;
+
+	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_rt5514_driver = {
+	.probe = avs_rt5514_probe,
+	.driver = {
+		.name = "avs_rt5514",
+		.pm = &snd_soc_pm_ops,
+	},
+};
+
+module_platform_driver(avs_rt5514_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:avs_rt5514");