[linux-block.git] / sound / soc / intel / avs / boards / max98927.c

// 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 <linux/platform_device.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include <sound/soc-dapm.h>
#include "../utils.h"

#define MAX98927_DEV0_NAME	"i2c-MX98927:00"
#define MAX98927_DEV1_NAME	"i2c-MX98927:01"
#define MAX98927_CODEC_NAME	"max98927-aif1"

static struct snd_soc_codec_conf card_codec_conf[] = {
	{
		.dlc = COMP_CODEC_CONF(MAX98927_DEV0_NAME),
		.name_prefix = "Right",
	},
	{
		.dlc = COMP_CODEC_CONF(MAX98927_DEV1_NAME),
		.name_prefix = "Left",
	},
};

static const struct snd_kcontrol_new card_controls[] = {
	SOC_DAPM_PIN_SWITCH("Left Spk"),
	SOC_DAPM_PIN_SWITCH("Right Spk"),
};

static const struct snd_soc_dapm_widget card_widgets[] = {
	SND_SOC_DAPM_SPK("Left Spk", NULL),
	SND_SOC_DAPM_SPK("Right Spk", NULL),
};

static const struct snd_soc_dapm_route card_base_routes[] = {
	{ "Left Spk", NULL, "Left BE_OUT" },
	{ "Right Spk", NULL, "Right BE_OUT" },
};

static int
avs_max98927_be_fixup(struct snd_soc_pcm_runtime *runrime, 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);

	/* The ADSP will convert the FE rate to 48k, stereo */
	rate->min = rate->max = 48000;
	channels->min = channels->max = 2;

	/* set SSP0 to 16 bit */
	snd_mask_none(fmt);
	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
	return 0;
}

static int avs_max98927_hw_params(struct snd_pcm_substream *substream,
				  struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *runtime = snd_soc_substream_to_rtd(substream);
	struct snd_soc_dai *codec_dai;
	int ret = 0;
	int i;

	for_each_rtd_codec_dais(runtime, i, codec_dai) {
		if (!strcmp(codec_dai->component->name, MAX98927_DEV0_NAME))
			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x30, 3, 8, 16);
		else if (!strcmp(codec_dai->component->name, MAX98927_DEV1_NAME))
			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xC0, 3, 8, 16);

		if (ret < 0) {
			dev_err(runtime->dev, "hw_params for %s failed: %d\n",
				codec_dai->component->name, ret);
			return ret;
		}
	}

	return 0;
}

static const struct snd_soc_ops avs_max98927_ops = {
	.hw_params = avs_max98927_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) * 2, 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[0].name = devm_kasprintf(dev, GFP_KERNEL, MAX98927_DEV0_NAME);
	dl->codecs[0].dai_name = devm_kasprintf(dev, GFP_KERNEL, MAX98927_CODEC_NAME);
	dl->codecs[1].name = devm_kasprintf(dev, GFP_KERNEL, MAX98927_DEV1_NAME);
	dl->codecs[1].dai_name = devm_kasprintf(dev, GFP_KERNEL, MAX98927_CODEC_NAME);
	if (!dl->cpus->dai_name || !dl->codecs[0].name || !dl->codecs[0].dai_name ||
	    !dl->codecs[1].name || !dl->codecs[1].dai_name)
		return -ENOMEM;

	dl->num_cpus = 1;
	dl->num_codecs = 2;
	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->be_hw_params_fixup = avs_max98927_be_fixup;
	dl->nonatomic = 1;
	dl->no_pcm = 1;
	dl->dpcm_capture = 1;
	dl->dpcm_playback = 1;
	dl->ignore_pmdown_time = 1;
	dl->ops = &avs_max98927_ops;

	*dai_link = dl;

	return 0;
}

static int avs_max98927_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_max98927";
	card->dev = dev;
	card->owner = THIS_MODULE;
	card->dai_link = dai_link;
	card->num_links = 1;
	card->codec_conf = card_codec_conf;
	card->num_configs = ARRAY_SIZE(card_codec_conf);
	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 = 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 const struct platform_device_id avs_max98927_driver_ids[] = {
	{
		.name = "avs_max98927",
	},
	{},
};
MODULE_DEVICE_TABLE(platform, avs_max98927_driver_ids);

static struct platform_driver avs_max98927_driver = {
	.probe = avs_max98927_probe,
	.driver = {
		.name = "avs_max98927",
		.pm = &snd_soc_pm_ops,
	},
	.id_table = avs_max98927_driver_ids,
};

module_platform_driver(avs_max98927_driver)

MODULE_DESCRIPTION("Intel max98927 machine driver");
MODULE_LICENSE("GPL");
Commit	Line	Data
1c993300 AS	1	// SPDX-License-Identifier: GPL-2.0-only
	2	//
	3	// Copyright(c) 2022 Intel Corporation. All rights reserved.
	4	//
	5	// Authors: Cezary Rojewski <cezary.rojewski@intel.com>
	6	// Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
	7	//
	8
	9	#include <linux/module.h>
	10	#include <linux/platform_device.h>
	11	#include <sound/pcm_params.h>
	12	#include <sound/soc.h>
	13	#include <sound/soc-acpi.h>
	14	#include <sound/soc-dapm.h>
ef91ae9e	15	#include "../utils.h"
1c993300 AS	16
	17	#define MAX98927_DEV0_NAME "i2c-MX98927:00"
	18	#define MAX98927_DEV1_NAME "i2c-MX98927:01"
	19	#define MAX98927_CODEC_NAME "max98927-aif1"
	20
	21	static struct snd_soc_codec_conf card_codec_conf[] = {
	22	{
	23	.dlc = COMP_CODEC_CONF(MAX98927_DEV0_NAME),
	24	.name_prefix = "Right",
	25	},
	26	{
	27	.dlc = COMP_CODEC_CONF(MAX98927_DEV1_NAME),
	28	.name_prefix = "Left",
	29	},
	30	};
	31
	32	static const struct snd_kcontrol_new card_controls[] = {
	33	SOC_DAPM_PIN_SWITCH("Left Spk"),
	34	SOC_DAPM_PIN_SWITCH("Right Spk"),
	35	};
	36
	37	static const struct snd_soc_dapm_widget card_widgets[] = {
	38	SND_SOC_DAPM_SPK("Left Spk", NULL),
	39	SND_SOC_DAPM_SPK("Right Spk", NULL),
	40	};
	41
	42	static const struct snd_soc_dapm_route card_base_routes[] = {
	43	{ "Left Spk", NULL, "Left BE_OUT" },
	44	{ "Right Spk", NULL, "Right BE_OUT" },
	45	};
	46
	47	static int
	48	avs_max98927_be_fixup(struct snd_soc_pcm_runtime runrime, struct snd_pcm_hw_params params)
	49	{
	50	struct snd_interval rate, channels;
	51	struct snd_mask *fmt;
	52
	53	rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
	54	channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
	55	fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
	56
0d527a99	57	/* The ADSP will convert the FE rate to 48k, stereo */
1c993300 AS	58	rate->min = rate->max = 48000;
	59	channels->min = channels->max = 2;
	60
	61	/* set SSP0 to 16 bit */
	62	snd_mask_none(fmt);
	63	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
	64	return 0;
	65	}
	66
	67	static int avs_max98927_hw_params(struct snd_pcm_substream *substream,
	68	struct snd_pcm_hw_params *params)
	69	{
5d2d1a48	70	struct snd_soc_pcm_runtime *runtime = snd_soc_substream_to_rtd(substream);
1c993300 AS	71	struct snd_soc_dai *codec_dai;
	72	int ret = 0;
	73	int i;
	74
	75	for_each_rtd_codec_dais(runtime, i, codec_dai) {
	76	if (!strcmp(codec_dai->component->name, MAX98927_DEV0_NAME))
	77	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x30, 3, 8, 16);
	78	else if (!strcmp(codec_dai->component->name, MAX98927_DEV1_NAME))
	79	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xC0, 3, 8, 16);
	80
	81	if (ret < 0) {
	82	dev_err(runtime->dev, "hw_params for %s failed: %d\n",
	83	codec_dai->component->name, ret);
	84	return ret;
	85	}
	86	}
	87
	88	return 0;
	89	}
	90
	91	static const struct snd_soc_ops avs_max98927_ops = {
	92	.hw_params = avs_max98927_hw_params,
	93	};
	94
	95	static int avs_create_dai_link(struct device dev, const char platform_name, int ssp_port,
ef91ae9e	96	int tdm_slot, struct snd_soc_dai_link **dai_link)
1c993300 AS	97	{
	98	struct snd_soc_dai_link_component *platform;
	99	struct snd_soc_dai_link *dl;
	100
	101	dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
	102	platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
	103	if (!dl \|\| !platform)
	104	return -ENOMEM;
	105
	106	platform->name = platform_name;
	107
ef91ae9e AS	108	dl->name = devm_kasprintf(dev, GFP_KERNEL,
ef91ae9e AS	109	AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
1c993300 AS	110	dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
	111	dl->codecs = devm_kzalloc(dev, sizeof(dl->codecs) 2, GFP_KERNEL);
	112	if (!dl->name \|\| !dl->cpus \|\| !dl->codecs)
	113	return -ENOMEM;
	114
ef91ae9e AS	115	dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
ef91ae9e AS	116	AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
1c993300 AS	117	dl->codecs[0].name = devm_kasprintf(dev, GFP_KERNEL, MAX98927_DEV0_NAME);
	118	dl->codecs[0].dai_name = devm_kasprintf(dev, GFP_KERNEL, MAX98927_CODEC_NAME);
	119	dl->codecs[1].name = devm_kasprintf(dev, GFP_KERNEL, MAX98927_DEV1_NAME);
	120	dl->codecs[1].dai_name = devm_kasprintf(dev, GFP_KERNEL, MAX98927_CODEC_NAME);
	121	if (!dl->cpus->dai_name \|\| !dl->codecs[0].name \|\| !dl->codecs[0].dai_name \|\|
	122	!dl->codecs[1].name \|\| !dl->codecs[1].dai_name)
	123	return -ENOMEM;
	124
	125	dl->num_cpus = 1;
	126	dl->num_codecs = 2;
	127	dl->platforms = platform;
	128	dl->num_platforms = 1;
	129	dl->id = 0;
	130	dl->dai_fmt = SND_SOC_DAIFMT_DSP_B \| SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS;
	131	dl->be_hw_params_fixup = avs_max98927_be_fixup;
	132	dl->nonatomic = 1;
	133	dl->no_pcm = 1;
	134	dl->dpcm_capture = 1;
	135	dl->dpcm_playback = 1;
	136	dl->ignore_pmdown_time = 1;
	137	dl->ops = &avs_max98927_ops;
	138
	139	*dai_link = dl;
	140
	141	return 0;
	142	}
	143
1c993300 AS	144	static int avs_max98927_probe(struct platform_device *pdev)
1c993300 AS	145	{
1c993300 AS	146	struct snd_soc_dai_link *dai_link;
	147	struct snd_soc_acpi_mach *mach;
	148	struct snd_soc_card *card;
	149	struct device *dev = &pdev->dev;
	150	const char *pname;
ef91ae9e	151	int ssp_port, tdm_slot, ret;
1c993300 AS	152
	153	mach = dev_get_platdata(dev);
	154	pname = mach->mach_params.platform;
1c993300	155
ef91ae9e AS	156	ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
	157	if (ret)
	158	return ret;
	159
	160	ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);
1c993300 AS	161	if (ret) {
	162	dev_err(dev, "Failed to create dai link: %d", ret);
	163	return ret;
	164	}
	165
1c993300 AS	166	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
	167	if (!card)
	168	return -ENOMEM;
	169
	170	card->name = "avs_max98927";
	171	card->dev = dev;
	172	card->owner = THIS_MODULE;
	173	card->dai_link = dai_link;
	174	card->num_links = 1;
	175	card->codec_conf = card_codec_conf;
	176	card->num_configs = ARRAY_SIZE(card_codec_conf);
	177	card->controls = card_controls;
	178	card->num_controls = ARRAY_SIZE(card_controls);
	179	card->dapm_widgets = card_widgets;
	180	card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
9868ca64 BL	181	card->dapm_routes = card_base_routes;
9868ca64 BL	182	card->num_dapm_routes = ARRAY_SIZE(card_base_routes);
1c993300 AS	183	card->fully_routed = true;
	184
	185	ret = snd_soc_fixup_dai_links_platform_name(card, pname);
	186	if (ret)
	187	return ret;
	188
	189	return devm_snd_soc_register_card(dev, card);
	190	}
	191
c3ff0185 AS	192	static const struct platform_device_id avs_max98927_driver_ids[] = {
	193	{
	194	.name = "avs_max98927",
	195	},
	196	{},
	197	};
	198	MODULE_DEVICE_TABLE(platform, avs_max98927_driver_ids);
	199
1c993300 AS	200	static struct platform_driver avs_max98927_driver = {
	201	.probe = avs_max98927_probe,
	202	.driver = {
	203	.name = "avs_max98927",
	204	.pm = &snd_soc_pm_ops,
	205	},
c3ff0185	206	.id_table = avs_max98927_driver_ids,
1c993300 AS	207	};
	208
	209	module_platform_driver(avs_max98927_driver)
	210
d619b0b7	211	MODULE_DESCRIPTION("Intel max98927 machine driver");
1c993300	212	MODULE_LICENSE("GPL");