[linux-block.git] / sound / soc / intel / avs / boards / nau8825.c

// 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/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/soc.h>
#include <sound/soc-acpi.h>
#include "../../../codecs/nau8825.h"

#define SKL_NUVOTON_CODEC_DAI	"nau8825-hifi"

static int
avs_nau8825_clock_control(struct snd_soc_dapm_widget *w, struct snd_kcontrol *control, int event)
{
	struct snd_soc_dapm_context *dapm = w->dapm;
	struct snd_soc_card *card = dapm->card;
	struct snd_soc_dai *codec_dai;
	int ret;

	codec_dai = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI);
	if (!codec_dai) {
		dev_err(card->dev, "Codec dai not found\n");
		return -EINVAL;
	}

	if (SND_SOC_DAPM_EVENT_ON(event))
		ret = snd_soc_dai_set_sysclk(codec_dai, NAU8825_CLK_MCLK, 24000000,
					     SND_SOC_CLOCK_IN);
	else
		ret = snd_soc_dai_set_sysclk(codec_dai, NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
	if (ret < 0)
		dev_err(card->dev, "Set sysclk failed: %d\n", ret);

	return ret;
}

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),
	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, avs_nau8825_clock_control,
			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
};

static const struct snd_soc_dapm_route card_base_routes[] = {
	{ "Headphone Jack", NULL, "HPOL" },
	{ "Headphone Jack", NULL, "HPOR" },

	{ "MIC", NULL, "Headset Mic" },

	{ "Headphone Jack", NULL, "Platform Clock" },
	{ "Headset Mic", NULL, "Platform Clock" },
};

static struct snd_soc_jack_pin card_headset_pins[] = {
	{
		.pin = "Headphone Jack",
		.mask = SND_JACK_HEADPHONE,
	},
	{
		.pin = "Headset Mic",
		.mask = SND_JACK_MICROPHONE,
	},
};

static int avs_nau8825_codec_init(struct snd_soc_pcm_runtime *runtime)
{
	struct snd_soc_card *card = runtime->card;
	struct snd_soc_jack_pin *pins;
	struct snd_soc_jack *jack;
	int num_pins, ret;

	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;

	/*
	 * 4 buttons here map to the google Reference headset.
	 * The use of these buttons can be decided by the user space.
	 */
	ret = snd_soc_card_jack_new_pins(card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0 |
					 SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3,
					 jack, pins, num_pins);
	if (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);

	return snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, jack, NULL);
}

static void avs_nau8825_codec_exit(struct snd_soc_pcm_runtime *rtd)
{
	snd_soc_component_set_jack(snd_soc_rtd_to_codec(rtd, 0)->component, NULL, NULL);
}

static int
avs_nau8825_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);

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

	/* set SSP to 24 bit */
	snd_mask_none(fmt);
	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);

	return 0;
}

static int avs_nau8825_trigger(struct snd_pcm_substream *substream, int cmd)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct snd_soc_pcm_runtime *rtm = snd_soc_substream_to_rtd(substream);
	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtm, 0);
	int ret = 0;

	switch (cmd) {
	case SNDRV_PCM_TRIGGER_START:
		ret = snd_soc_dai_set_sysclk(codec_dai, NAU8825_CLK_FLL_FS, 0, SND_SOC_CLOCK_IN);
		if (ret < 0) {
			dev_err(codec_dai->dev, "can't set FS clock %d\n", ret);
			break;
		}

		ret = snd_soc_dai_set_pll(codec_dai, 0, 0, runtime->rate, runtime->rate * 256);
		if (ret < 0)
			dev_err(codec_dai->dev, "can't set FLL: %d\n", ret);
		break;

	case SNDRV_PCM_TRIGGER_RESUME:
		ret = snd_soc_dai_set_pll(codec_dai, 0, 0, runtime->rate, runtime->rate * 256);
		if (ret < 0)
			dev_err(codec_dai->dev, "can't set FLL: %d\n", ret);
		break;
	}

	return ret;
}


static const struct snd_soc_ops avs_nau8825_ops = {
	.trigger = avs_nau8825_trigger,
};

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-10508825:00");
	dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, SKL_NUVOTON_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_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS;
	dl->init = avs_nau8825_codec_init;
	dl->exit = avs_nau8825_codec_exit;
	dl->be_hw_params_fixup = avs_nau8825_be_fixup;
	dl->ops = &avs_nau8825_ops;
	dl->nonatomic = 1;
	dl->no_pcm = 1;
	dl->dpcm_capture = 1;
	dl->dpcm_playback = 1;

	*dai_link = dl;

	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, SKL_NUVOTON_CODEC_DAI);

	return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
}

static int avs_card_resume_post(struct snd_soc_card *card)
{
	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI);
	struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
	int stream = SNDRV_PCM_STREAM_PLAYBACK;

	if (!codec_dai) {
		dev_err(card->dev, "Codec dai not found\n");
		return -EINVAL;
	}

	if (snd_soc_dai_stream_active(codec_dai, stream) &&
	    snd_soc_dai_get_widget(codec_dai, stream)->active)
		snd_soc_dai_set_sysclk(codec_dai, NAU8825_CLK_FLL_FS, 0, SND_SOC_CLOCK_IN);

	return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
}

static int avs_nau8825_probe(struct platform_device *pdev)
{
	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 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, &dai_link);
	if (ret) {
		dev_err(dev, "Failed to create dai link: %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_nau8825";
	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->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;
	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_nau8825_driver = {
	.probe = avs_nau8825_probe,
	.driver = {
		.name = "avs_nau8825",
		.pm = &snd_soc_pm_ops,
	},
};

module_platform_driver(avs_nau8825_driver)

MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:avs_nau8825");
Commit	Line	Data
32ee40b5 CR	1	// SPDX-License-Identifier: GPL-2.0-only
	2	//
	3	// Copyright(c) 2021-2022 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/input.h>
	10	#include <linux/module.h>
	11	#include <linux/platform_device.h>
	12	#include <sound/core.h>
	13	#include <sound/jack.h>
	14	#include <sound/pcm.h>
	15	#include <sound/pcm_params.h>
	16	#include <sound/soc.h>
	17	#include <sound/soc-acpi.h>
	18	#include "../../../codecs/nau8825.h"
	19
	20	#define SKL_NUVOTON_CODEC_DAI "nau8825-hifi"
	21
	22	static int
	23	avs_nau8825_clock_control(struct snd_soc_dapm_widget w, struct snd_kcontrol control, int event)
	24	{
	25	struct snd_soc_dapm_context *dapm = w->dapm;
	26	struct snd_soc_card *card = dapm->card;
	27	struct snd_soc_dai *codec_dai;
	28	int ret;
	29
	30	codec_dai = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI);
	31	if (!codec_dai) {
	32	dev_err(card->dev, "Codec dai not found\n");
	33	return -EINVAL;
	34	}
	35
6206b2e7 CR	36	if (SND_SOC_DAPM_EVENT_ON(event))
	37	ret = snd_soc_dai_set_sysclk(codec_dai, NAU8825_CLK_MCLK, 24000000,
	38	SND_SOC_CLOCK_IN);
	39	else
32ee40b5	40	ret = snd_soc_dai_set_sysclk(codec_dai, NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
6206b2e7 CR	41	if (ret < 0)
6206b2e7 CR	42	dev_err(card->dev, "Set sysclk failed: %d\n", ret);
32ee40b5	43
6206b2e7	44	return ret;
32ee40b5 CR	45	}
	46
	47	static const struct snd_kcontrol_new card_controls[] = {
	48	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
	49	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	50	};
	51
	52	static const struct snd_soc_dapm_widget card_widgets[] = {
	53	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	54	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	55	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, avs_nau8825_clock_control,
	56	SND_SOC_DAPM_PRE_PMU \| SND_SOC_DAPM_POST_PMD),
	57	};
	58
	59	static const struct snd_soc_dapm_route card_base_routes[] = {
	60	{ "Headphone Jack", NULL, "HPOL" },
	61	{ "Headphone Jack", NULL, "HPOR" },
	62
	63	{ "MIC", NULL, "Headset Mic" },
	64
	65	{ "Headphone Jack", NULL, "Platform Clock" },
	66	{ "Headset Mic", NULL, "Platform Clock" },
	67	};
	68
	69	static struct snd_soc_jack_pin card_headset_pins[] = {
	70	{
	71	.pin = "Headphone Jack",
	72	.mask = SND_JACK_HEADPHONE,
	73	},
	74	{
	75	.pin = "Headset Mic",
	76	.mask = SND_JACK_MICROPHONE,
	77	},
	78	};
	79
	80	static int avs_nau8825_codec_init(struct snd_soc_pcm_runtime *runtime)
	81	{
9febcd7a	82	struct snd_soc_card *card = runtime->card;
32ee40b5 CR	83	struct snd_soc_jack_pin *pins;
32ee40b5 CR	84	struct snd_soc_jack *jack;
32ee40b5 CR	85	int num_pins, ret;
	86
	87	jack = snd_soc_card_get_drvdata(card);
	88	num_pins = ARRAY_SIZE(card_headset_pins);
	89
	90	pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(pins) num_pins, GFP_KERNEL);
	91	if (!pins)
	92	return -ENOMEM;
	93
	94	/*
	95	* 4 buttons here map to the google Reference headset.
	96	* The use of these buttons can be decided by the user space.
	97	*/
	98	ret = snd_soc_card_jack_new_pins(card, "Headset", SND_JACK_HEADSET \| SND_JACK_BTN_0 \|
	99	SND_JACK_BTN_1 \| SND_JACK_BTN_2 \| SND_JACK_BTN_3,
	100	jack, pins, num_pins);
	101	if (ret)
	102	return ret;
	103
	104	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
	105	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
	106	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
	107	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
	108
5d2d1a48	109	return snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, jack, NULL);
9febcd7a	110	}
32ee40b5	111
9febcd7a AS	112	static void avs_nau8825_codec_exit(struct snd_soc_pcm_runtime *rtd)
9febcd7a AS	113	{
5d2d1a48	114	snd_soc_component_set_jack(snd_soc_rtd_to_codec(rtd, 0)->component, NULL, NULL);
32ee40b5 CR	115	}
	116
	117	static int
	118	avs_nau8825_be_fixup(struct snd_soc_pcm_runtime runtime, struct snd_pcm_hw_params params)
	119	{
	120	struct snd_interval rate, channels;
	121	struct snd_mask *fmt;
	122
	123	rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
	124	channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
	125	fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
	126
	127	/* The ADSP will convert the FE rate to 48k, stereo */
	128	rate->min = rate->max = 48000;
	129	channels->min = channels->max = 2;
	130
	131	/* set SSP to 24 bit */
	132	snd_mask_none(fmt);
	133	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
	134
	135	return 0;
	136	}
	137
	138	static int avs_nau8825_trigger(struct snd_pcm_substream *substream, int cmd)
	139	{
	140	struct snd_pcm_runtime *runtime = substream->runtime;
5d2d1a48 KM	141	struct snd_soc_pcm_runtime *rtm = snd_soc_substream_to_rtd(substream);
5d2d1a48 KM	142	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtm, 0);
32ee40b5 CR	143	int ret = 0;
	144
	145	switch (cmd) {
	146	case SNDRV_PCM_TRIGGER_START:
	147	ret = snd_soc_dai_set_sysclk(codec_dai, NAU8825_CLK_FLL_FS, 0, SND_SOC_CLOCK_IN);
	148	if (ret < 0) {
	149	dev_err(codec_dai->dev, "can't set FS clock %d\n", ret);
	150	break;
	151	}
	152
	153	ret = snd_soc_dai_set_pll(codec_dai, 0, 0, runtime->rate, runtime->rate * 256);
	154	if (ret < 0)
	155	dev_err(codec_dai->dev, "can't set FLL: %d\n", ret);
	156	break;
	157
	158	case SNDRV_PCM_TRIGGER_RESUME:
	159	ret = snd_soc_dai_set_pll(codec_dai, 0, 0, runtime->rate, runtime->rate * 256);
	160	if (ret < 0)
	161	dev_err(codec_dai->dev, "can't set FLL: %d\n", ret);
	162	break;
	163	}
	164
	165	return ret;
	166	}
	167
	168
	169	static const struct snd_soc_ops avs_nau8825_ops = {
	170	.trigger = avs_nau8825_trigger,
	171	};
	172
	173	static int avs_create_dai_link(struct device dev, const char platform_name, int ssp_port,
	174	struct snd_soc_dai_link **dai_link)
	175	{
	176	struct snd_soc_dai_link_component *platform;
	177	struct snd_soc_dai_link *dl;
	178
	179	dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
	180	platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
	181	if (!dl \|\| !platform)
	182	return -ENOMEM;
	183
	184	platform->name = platform_name;
	185
	186	dl->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_port);
	187	dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
	188	dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
	189	if (!dl->name \|\| !dl->cpus \|\| !dl->codecs)
	190	return -ENOMEM;
	191
	192	dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_port);
	193	dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10508825:00");
	194	dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, SKL_NUVOTON_CODEC_DAI);
	195	if (!dl->cpus->dai_name \|\| !dl->codecs->name \|\| !dl->codecs->dai_name)
	196	return -ENOMEM;
	197
	198	dl->num_cpus = 1;
	199	dl->num_codecs = 1;
	200	dl->platforms = platform;
	201	dl->num_platforms = 1;
	202	dl->id = 0;
	203	dl->dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS;
	204	dl->init = avs_nau8825_codec_init;
9febcd7a	205	dl->exit = avs_nau8825_codec_exit;
32ee40b5 CR	206	dl->be_hw_params_fixup = avs_nau8825_be_fixup;
	207	dl->ops = &avs_nau8825_ops;
	208	dl->nonatomic = 1;
	209	dl->no_pcm = 1;
	210	dl->dpcm_capture = 1;
	211	dl->dpcm_playback = 1;
	212
	213	*dai_link = dl;
	214
	215	return 0;
	216	}
	217
32ee40b5 CR	218	static int avs_card_suspend_pre(struct snd_soc_card *card)
32ee40b5 CR	219	{
9febcd7a AS	220	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI);
	221
	222	return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
32ee40b5 CR	223	}
	224
	225	static int avs_card_resume_post(struct snd_soc_card *card)
	226	{
	227	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI);
	228	struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
ec4b2099	229	int stream = SNDRV_PCM_STREAM_PLAYBACK;
32ee40b5 CR	230
	231	if (!codec_dai) {
	232	dev_err(card->dev, "Codec dai not found\n");
	233	return -EINVAL;
	234	}
	235
ec4b2099 KM	236	if (snd_soc_dai_stream_active(codec_dai, stream) &&
ec4b2099 KM	237	snd_soc_dai_get_widget(codec_dai, stream)->active)
32ee40b5 CR	238	snd_soc_dai_set_sysclk(codec_dai, NAU8825_CLK_FLL_FS, 0, SND_SOC_CLOCK_IN);
32ee40b5 CR	239
9febcd7a	240	return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
32ee40b5 CR	241	}
	242
	243	static int avs_nau8825_probe(struct platform_device *pdev)
	244	{
32ee40b5 CR	245	struct snd_soc_dai_link *dai_link;
	246	struct snd_soc_acpi_mach *mach;
	247	struct snd_soc_card *card;
	248	struct snd_soc_jack *jack;
	249	struct device *dev = &pdev->dev;
	250	const char *pname;
ae7d6682	251	int ssp_port, ret;
32ee40b5 CR	252
	253	mach = dev_get_platdata(dev);
	254	pname = mach->mach_params.platform;
	255	ssp_port = __ffs(mach->mach_params.i2s_link_mask);
	256
	257	ret = avs_create_dai_link(dev, pname, ssp_port, &dai_link);
	258	if (ret) {
	259	dev_err(dev, "Failed to create dai link: %d", ret);
	260	return ret;
	261	}
	262
32ee40b5 CR	263	jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);
	264	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
	265	if (!jack \|\| !card)
	266	return -ENOMEM;
	267
	268	card->name = "avs_nau8825";
	269	card->dev = dev;
	270	card->owner = THIS_MODULE;
32ee40b5 CR	271	card->suspend_pre = avs_card_suspend_pre;
	272	card->resume_post = avs_card_resume_post;
	273	card->dai_link = dai_link;
	274	card->num_links = 1;
	275	card->controls = card_controls;
	276	card->num_controls = ARRAY_SIZE(card_controls);
	277	card->dapm_widgets = card_widgets;
	278	card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
ae7d6682 BL	279	card->dapm_routes = card_base_routes;
ae7d6682 BL	280	card->num_dapm_routes = ARRAY_SIZE(card_base_routes);
32ee40b5 CR	281	card->fully_routed = true;
	282	snd_soc_card_set_drvdata(card, jack);
	283
	284	ret = snd_soc_fixup_dai_links_platform_name(card, pname);
	285	if (ret)
	286	return ret;
	287
	288	return devm_snd_soc_register_card(dev, card);
	289	}
	290
	291	static struct platform_driver avs_nau8825_driver = {
	292	.probe = avs_nau8825_probe,
	293	.driver = {
	294	.name = "avs_nau8825",
	295	.pm = &snd_soc_pm_ops,
	296	},
	297	};
	298
	299	module_platform_driver(avs_nau8825_driver)
	300
	301	MODULE_LICENSE("GPL");
	302	MODULE_ALIAS("platform:avs_nau8825");