ANDROID: ASoC: Intel: avs: Add rt5640 machine board

To support AVS-rt5640 configuration add machine board connecting AVS
platform component driver with rt5640 codec one.

Change-Id: I4190240202fd6f5653914e75e1447d0d2ffaa7f6
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>

sound/soc/intel/avs/board_selection.c

@@ -268,6 +268,33 @@ static struct snd_soc_acpi_mach avs_tgl_i2s_machines[] = {
 		},
 		.tplg_filename = "rt1308-tplg.bin",
 	},
+	{
+		.id = "10EC5640",
+		.uid = "1",
+		.drv_name = "avs_rt5640",
+		.mach_params = {
+			.i2s_link_mask = AVS_SSP(0),
+		},
+		.tplg_filename = "rt5640-tplg.bin",
+	},
+	{
+		.id = "10EC5640",
+		.uid = "3",
+		.drv_name = "avs_rt5640",
+		.mach_params = {
+			.i2s_link_mask = AVS_SSP(1),
+		},
+		.tplg_filename = "rt5640-tplg.bin",
+	},
+	{
+		.id = "10EC5640",
+		.uid = "2",
+		.drv_name = "avs_rt5640",
+		.mach_params = {
+			.i2s_link_mask = AVS_SSP(2),
+		},
+		.tplg_filename = "rt5640-tplg.bin",
+	},
 	{},
 };
 

sound/soc/intel/avs/boards/Kconfig

@@ -115,6 +115,16 @@ 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_RT5640
+	tristate "rt5640 in I2S mode"
+	depends on I2C
+	depends on MFD_INTEL_LPSS || COMPILE_TEST
+	select SND_SOC_RT5640
+	help
+	   This adds support for ASoC machine driver with RT5640 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_RT5682
 	tristate "rt5682 in I2S mode"
 	depends on I2C

sound/soc/intel/avs/boards/Makefile

@@ -12,6 +12,7 @@ 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-rt5640-objs := rt5640.o
 snd-soc-avs-rt5682-objs := rt5682.o
 snd-soc-avs-ssm4567-objs := ssm4567.o
 
@@ -27,5 +28,6 @@ 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-$(CONFIG_SND_SOC_INTEL_AVS_MACH_RT5640) += snd-soc-avs-rt5640.o
 obj-$(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/rt5640.c

@@ -0,0 +1,306 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright(c) 2022 Intel Corporation. All rights reserved.
+//
+// Authors: Cezary Rojewski <cezary.rojewski@intel.com>
+//          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
+//
+
+#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/rt5640.h"
+
+#define AVS_RT5640_FREQ_OUT		24000000
+#define AVS_RT5640_BE_FIXUP_RATE	48000
+#define RT5640_CODEC_DAI		"rt5640-aif1"
+#define AVS_ADI_POC			0
+
+static const struct snd_soc_dapm_widget card_widgets[] = {
+	SND_SOC_DAPM_HP("Headphone Jack", NULL),
+	SND_SOC_DAPM_MIC("Mic Jack", NULL),
+	SND_SOC_DAPM_SPK("Speaker", NULL),
+};
+
+static const struct snd_soc_dapm_route card_base_routes[] = {
+	{ "Headphone Jack", NULL, "HPOR" },
+	{ "Headphone Jack", NULL, "HPOL" },
+	{ "IN2P", NULL, "Mic Jack" },
+	{ "IN2P", NULL, "MICBIAS1" },
+	{ "Speaker", NULL, "SPOLP" },
+	{ "Speaker", NULL, "SPOLN" },
+	{ "Speaker", NULL, "SPORP" },
+	{ "Speaker", NULL, "SPORN" },
+};
+
+#if AVS_ADI_POC
+static struct snd_soc_jack_pin card_headset_pins[] = {
+	{
+		.pin = "Headphone Jack",
+		.mask = SND_JACK_HEADPHONE,
+	},
+	{
+		.pin = "Mic Jack",
+		.mask = SND_JACK_MICROPHONE,
+	},
+};
+#endif
+static int avs_rt5640_codec_init(struct snd_soc_pcm_runtime *runtime)
+{
+	//struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(runtime, 0);
+	//struct snd_soc_component *component = codec_dai->component;
+	//struct snd_soc_jack_pin *pins;
+	//struct snd_soc_jack *jack;
+	struct snd_soc_card *card = runtime->card;
+	//int num_pins, ret;
+#if AVS_ADI_POC
+	jack = snd_soc_card_get_drvdata(card);
+	num_pins = ARRAY_SIZE(card_headset_pins);
+
+	pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL);
+	if (!pins)
+		return -ENOMEM;
+
+	ret = snd_soc_card_jack_new(card, "Headset", SND_JACK_HEADSET, jack, pins, num_pins);
+	if (ret)
+		return ret;
+
+	snd_soc_component_set_jack(component, jack, NULL);
+#endif
+	card->dapm.idle_bias_off = true;
+
+	return 0;
+}
+
+static void avs_rt5640_codec_exit(struct snd_soc_pcm_runtime *runtime)
+{
+	//snd_soc_component_set_jack(asoc_rtd_to_codec(runtime, 0)->component, NULL, NULL);
+}
+
+static int avs_rt5640_be_fixup(struct snd_soc_pcm_runtime *runtime,
+			       struct snd_pcm_hw_params *params)
+{
+	struct snd_interval *channels, *rate;
+	struct snd_mask *fmt;
+
+	channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+	rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
+	fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
+
+	/* The ADSP will convert the FE rate to 48kHz, stereo */
+	channels->min = channels->max = 2;
+	rate->min = rate->max = AVS_RT5640_BE_FIXUP_RATE;
+
+	/* set SSPN to 24 bit */
+	snd_mask_none(fmt);
+	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
+
+	return 0;
+}
+
+static int
+avs_rt5640_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);
+	struct snd_soc_dai_link *dai_link = runtime->dai_link;
+	int ret;
+
+	ret = snd_soc_dai_set_pll(codec_dai, 0, RT5640_PLL1_S_MCLK, 19200000,
+				  params_rate(params) * 512);
+	if (ret < 0)
+		dev_err(runtime->dev, "Set codec pll failed: %d\n", ret);
+
+	ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1, params_rate(params) * 512,
+				     SND_SOC_CLOCK_IN);
+	if (ret < 0)
+		dev_err(runtime->dev, "Set codec sysclk failed: %d\n", ret);
+
+	/* Set correct codec filter for DAI format and clock config. */
+	if (dai_link->dai_fmt & SND_SOC_DAIFMT_CBS_CFS)
+		rt5640_sel_asrc_clk_src(codec_dai->component,
+					RT5640_DA_STEREO_FILTER | RT5640_DA_MONO_L_FILTER |
+					RT5640_DA_MONO_R_FILTER | RT5640_AD_STEREO_FILTER,
+					RT5640_CLK_SEL_ASRC);
+
+	/* specific setting for bclk=50FS */
+	snd_soc_component_update_bits(codec_dai->component, 0xfb, 0x0004, 0x0004);
+
+	return ret;
+}
+
+static const struct snd_soc_ops avs_rt5640_ops = {
+	.hw_params = avs_rt5640_hw_params,
+};
+
+static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
+			       struct snd_soc_acpi_mach *mach, struct snd_soc_dai_link **dai_link)
+{
+	struct snd_soc_dai_link_component *platform;
+	struct snd_soc_dai_link *dl;
+	u64 uid;
+	int ret;
+
+	ret = kstrtou64(mach->uid, 0, &uid);
+	if (ret)
+		return ret;
+
+	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-10EC5640:0%llu", uid - 1);
+	dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT5640_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;
+	// codec as slave
+	dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS;
+	// codec as master
+	//dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM;
+	dl->init = avs_rt5640_codec_init;
+	dl->exit = avs_rt5640_codec_exit;
+	dl->be_hw_params_fixup = avs_rt5640_be_fixup;
+	dl->ops = &avs_rt5640_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_suspend_pre(struct snd_soc_card *card)
+{
+	//struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5640_CODEC_DAI);
+
+	//return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
+	return 0;
+}
+
+static int avs_card_resume_post(struct snd_soc_card *card)
+{
+	//struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5640_CODEC_DAI);
+	//struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
+
+	//return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
+	return 0;
+}
+
+static int avs_rt5640_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;
+
+	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, mach, &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 = dev_name(&pdev->dev);
+	card->dev = dev;
+	card->owner = THIS_MODULE;
+	card->suspend_pre = avs_card_suspend_pre;
+	card->resume_post = avs_card_resume_post;
+	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 = 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_rt5640_driver = {
+	.probe = avs_rt5640_probe,
+	.driver = {
+		.name = "avs_rt5640",
+		.pm = &snd_soc_pm_ops,
+	},
+};
+
+module_platform_driver(avs_rt5640_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:avs_rt5640");