[mirror_ubuntu-hirsute-kernel.git] / sound / soc / intel / boards / cht_bsw_nau8824.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  cht-bsw-nau8824.c - ASoc Machine driver for Intel Cherryview-based
 *          platforms Cherrytrail and Braswell, with nau8824 codec.
 *
 *  Copyright (C) 2018 Intel Corp
 *  Copyright (C) 2018 Nuvoton Technology Corp
 *
 *  Author: Wang, Joseph C <joequant@gmail.com>
 *  Co-author: John Hsu <KCHSU0@nuvoton.com>
 *  This file is based on cht_bsw_rt5672.c and cht-bsw-max98090.c
 */

#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include <sound/jack.h>
#include <linux/input.h>
#include "../atom/sst-atom-controls.h"
#include "../../codecs/nau8824.h"

struct cht_mc_private {
	struct snd_soc_jack jack;
};

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

static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MIC("Int Mic", NULL),
	SND_SOC_DAPM_SPK("Ext Spk", NULL),
};

static const struct snd_soc_dapm_route cht_audio_map[] = {
	{"Ext Spk", NULL, "SPKOUTL"},
	{"Ext Spk", NULL, "SPKOUTR"},
	{"Headphone", NULL, "HPOL"},
	{"Headphone", NULL, "HPOR"},
	{"MIC1", NULL, "Int Mic"},
	{"MIC2", NULL, "Int Mic"},
	{"HSMIC1", NULL, "Headset Mic"},
	{"HSMIC2", NULL, "Headset Mic"},
	{"Playback", NULL, "ssp2 Tx"},
	{"ssp2 Tx", NULL, "codec_out0"},
	{"ssp2 Tx", NULL, "codec_out1"},
	{"codec_in0", NULL, "ssp2 Rx" },
	{"codec_in1", NULL, "ssp2 Rx" },
	{"ssp2 Rx", NULL, "Capture"},
};

static const struct snd_kcontrol_new cht_mc_controls[] = {
	SOC_DAPM_PIN_SWITCH("Headphone"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	SOC_DAPM_PIN_SWITCH("Int Mic"),
	SOC_DAPM_PIN_SWITCH("Ext Spk"),
};

static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
	struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	int ret;

	ret = snd_soc_dai_set_sysclk(codec_dai, NAU8824_CLK_FLL_FS, 0,
		SND_SOC_CLOCK_IN);
	if (ret < 0) {
		dev_err(codec_dai->dev, "can't set FS clock %d\n", ret);
		return ret;
	}
	ret = snd_soc_dai_set_pll(codec_dai, 0, 0, params_rate(params),
		params_rate(params) * 256);
	if (ret < 0) {
		dev_err(codec_dai->dev, "can't set FLL: %d\n", ret);
		return ret;
	}

	return 0;
}

static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
{
	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
	struct snd_soc_jack *jack = &ctx->jack;
	struct snd_soc_dai *codec_dai = runtime->codec_dai;
	struct snd_soc_component *component = codec_dai->component;
	int ret, jack_type;

	/* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */
	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xf, 0x1, 4, 24);
	if (ret < 0) {
		dev_err(runtime->dev, "can't set codec TDM slot %d\n", ret);
		return ret;
	}

	/* NAU88L24 supports 4 butons headset detection
	 * KEY_MEDIA
	 * KEY_VOICECOMMAND
	 * KEY_VOLUMEUP
	 * KEY_VOLUMEDOWN
	 */
	jack_type = SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
		SND_JACK_BTN_2 | SND_JACK_BTN_3;
	ret = snd_soc_card_jack_new(runtime->card, "Headset", jack_type, jack,
		cht_bsw_jack_pins, ARRAY_SIZE(cht_bsw_jack_pins));
	if (ret) {
		dev_err(runtime->dev,
			"Headset Jack creation failed %d\n", ret);
		return ret;
	}
	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_MEDIA);
	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);

	nau8824_enable_jack_detect(component, jack);

	return ret;
}

static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
	struct snd_pcm_hw_params *params)
{
	struct snd_interval *rate = hw_param_interval(params,
		SNDRV_PCM_HW_PARAM_RATE);
	struct snd_interval *channels = hw_param_interval(params,
		SNDRV_PCM_HW_PARAM_CHANNELS);
	struct snd_mask *fmt =
		hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);

	/* The DSP will covert the FE rate to 48k, stereo, 24bits */
	rate->min = rate->max = 48000;
	channels->min = channels->max = 2;

	/* set SSP2 to 24-bit */
	snd_mask_none(fmt);
	params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);

	return 0;
}

static int cht_aif1_startup(struct snd_pcm_substream *substream)
{
	return snd_pcm_hw_constraint_single(substream->runtime,
		SNDRV_PCM_HW_PARAM_RATE, 48000);
}

static const struct snd_soc_ops cht_aif1_ops = {
	.startup = cht_aif1_startup,
};

static const struct snd_soc_ops cht_be_ssp2_ops = {
	.hw_params = cht_aif1_hw_params,
};

static struct snd_soc_dai_link cht_dailink[] = {
	/* Front End DAI links */
	[MERR_DPCM_AUDIO] = {
		.name = "Audio Port",
		.stream_name = "Audio",
		.cpu_dai_name = "media-cpu-dai",
		.codec_dai_name = "snd-soc-dummy-dai",
		.codec_name = "snd-soc-dummy",
		.platform_name = "sst-mfld-platform",
		.nonatomic = true,
		.dynamic = 1,
		.dpcm_playback = 1,
		.dpcm_capture = 1,
		.ops = &cht_aif1_ops,
	},
	[MERR_DPCM_DEEP_BUFFER] = {
		.name = "Deep-Buffer Audio Port",
		.stream_name = "Deep-Buffer Audio",
		.cpu_dai_name = "deepbuffer-cpu-dai",
		.codec_dai_name = "snd-soc-dummy-dai",
		.codec_name = "snd-soc-dummy",
		.platform_name = "sst-mfld-platform",
		.nonatomic = true,
		.dynamic = 1,
		.dpcm_playback = 1,
		.ops = &cht_aif1_ops,
	},
	[MERR_DPCM_COMPR] = {
		.name = "Compressed Port",
		.stream_name = "Compress",
		.cpu_dai_name = "compress-cpu-dai",
		.codec_dai_name = "snd-soc-dummy-dai",
		.codec_name = "snd-soc-dummy",
		.platform_name = "sst-mfld-platform",
	},
	/* Back End DAI links */
	{
		/* SSP2 - Codec */
		.name = "SSP2-Codec",
		.id = 1,
		.cpu_dai_name = "ssp2-port",
		.platform_name = "sst-mfld-platform",
		.no_pcm = 1,
		.codec_dai_name = NAU8824_CODEC_DAI,
		.codec_name = "i2c-10508824:00",
		.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF
			| SND_SOC_DAIFMT_CBS_CFS,
		.init = cht_codec_init,
		.be_hw_params_fixup = cht_codec_fixup,
		.dpcm_playback = 1,
		.dpcm_capture = 1,
		.ops = &cht_be_ssp2_ops,
	},
};

/* SoC card */
static struct snd_soc_card snd_soc_card_cht = {
	.name = "chtnau8824",
	.owner = THIS_MODULE,
	.dai_link = cht_dailink,
	.num_links = ARRAY_SIZE(cht_dailink),
	.dapm_widgets = cht_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
	.dapm_routes = cht_audio_map,
	.num_dapm_routes = ARRAY_SIZE(cht_audio_map),
	.controls = cht_mc_controls,
	.num_controls = ARRAY_SIZE(cht_mc_controls),
};

static int snd_cht_mc_probe(struct platform_device *pdev)
{
	struct cht_mc_private *drv;
	struct snd_soc_acpi_mach *mach;
	const char *platform_name;
	int ret_val;

	drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
	if (!drv)
		return -ENOMEM;
	snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);

	/* override plaform name, if required */
	mach = (&pdev->dev)->platform_data;
	platform_name = mach->mach_params.platform;

	ret_val = snd_soc_fixup_dai_links_platform_name(&snd_soc_card_cht,
							platform_name);
	if (ret_val)
		return ret_val;

	/* register the soc card */
	snd_soc_card_cht.dev = &pdev->dev;
	ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
	if (ret_val) {
		dev_err(&pdev->dev,
			"snd_soc_register_card failed %d\n", ret_val);
		return ret_val;
	}
	platform_set_drvdata(pdev, &snd_soc_card_cht);

	return ret_val;
}

static struct platform_driver snd_cht_mc_driver = {
	.driver = {
		.name = "cht-bsw-nau8824",
	},
	.probe = snd_cht_mc_probe,
};

module_platform_driver(snd_cht_mc_driver);

MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
MODULE_AUTHOR("Wang, Joseph C <joequant@gmail.com>");
MODULE_AUTHOR("John Hsu <KCHSU0@nuvoton.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:cht-bsw-nau8824");
Commit	Line	Data
8e8e69d6	1	// SPDX-License-Identifier: GPL-2.0-only
5b00ce63 JH	2	/*
	3	* cht-bsw-nau8824.c - ASoc Machine driver for Intel Cherryview-based
	4	* platforms Cherrytrail and Braswell, with nau8824 codec.
	5	*
	6	* Copyright (C) 2018 Intel Corp
	7	* Copyright (C) 2018 Nuvoton Technology Corp
	8	*
	9	* Author: Wang, Joseph C <joequant@gmail.com>
	10	* Co-author: John Hsu <KCHSU0@nuvoton.com>
	11	* This file is based on cht_bsw_rt5672.c and cht-bsw-max98090.c
5b00ce63 JH	12	*/
	13
	14	#include <linux/module.h>
	15	#include <linux/platform_device.h>
	16	#include <linux/slab.h>
	17	#include <sound/pcm.h>
	18	#include <sound/pcm_params.h>
	19	#include <sound/soc.h>
4506db80	20	#include <sound/soc-acpi.h>
5b00ce63 JH	21	#include <sound/jack.h>
	22	#include <linux/input.h>
	23	#include "../atom/sst-atom-controls.h"
	24	#include "../../codecs/nau8824.h"
	25
	26	struct cht_mc_private {
	27	struct snd_soc_jack jack;
	28	};
	29
	30	static struct snd_soc_jack_pin cht_bsw_jack_pins[] = {
	31	{
	32	.pin = "Headphone",
	33	.mask = SND_JACK_HEADPHONE,
	34	},
	35	{
	36	.pin = "Headset Mic",
	37	.mask = SND_JACK_MICROPHONE,
	38	},
	39	};
	40
	41	static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
	42	SND_SOC_DAPM_HP("Headphone", NULL),
	43	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	44	SND_SOC_DAPM_MIC("Int Mic", NULL),
	45	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	46	};
	47
	48	static const struct snd_soc_dapm_route cht_audio_map[] = {
	49	{"Ext Spk", NULL, "SPKOUTL"},
	50	{"Ext Spk", NULL, "SPKOUTR"},
	51	{"Headphone", NULL, "HPOL"},
	52	{"Headphone", NULL, "HPOR"},
	53	{"MIC1", NULL, "Int Mic"},
	54	{"MIC2", NULL, "Int Mic"},
	55	{"HSMIC1", NULL, "Headset Mic"},
	56	{"HSMIC2", NULL, "Headset Mic"},
	57	{"Playback", NULL, "ssp2 Tx"},
	58	{"ssp2 Tx", NULL, "codec_out0"},
	59	{"ssp2 Tx", NULL, "codec_out1"},
	60	{"codec_in0", NULL, "ssp2 Rx" },
	61	{"codec_in1", NULL, "ssp2 Rx" },
	62	{"ssp2 Rx", NULL, "Capture"},
	63	};
	64
	65	static const struct snd_kcontrol_new cht_mc_controls[] = {
	66	SOC_DAPM_PIN_SWITCH("Headphone"),
	67	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	68	SOC_DAPM_PIN_SWITCH("Int Mic"),
	69	SOC_DAPM_PIN_SWITCH("Ext Spk"),
	70	};
	71
	72	static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
	73	struct snd_pcm_hw_params *params)
	74	{
	75	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	76	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	77	int ret;
	78
	79	ret = snd_soc_dai_set_sysclk(codec_dai, NAU8824_CLK_FLL_FS, 0,
	80	SND_SOC_CLOCK_IN);
	81	if (ret < 0) {
	82	dev_err(codec_dai->dev, "can't set FS clock %d\n", ret);
	83	return ret;
	84	}
85	ret = snd_soc_dai_set_pll(codec_dai, 0, 0, params_rate(params),
86	params_rate(params) * 256);
87	if (ret < 0) {
88	dev_err(codec_dai->dev, "can't set FLL: %d\n", ret);
89	return ret;
90	}
91
92	return 0;
93	}
94
95	static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
96	{
97	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
98	struct snd_soc_jack *jack = &ctx->jack;
5b00ce63	99	struct snd_soc_dai *codec_dai = runtime->codec_dai;
3bf045d1	100	struct snd_soc_component *component = codec_dai->component;
5b00ce63 JH	101	int ret, jack_type;
	102
	103	/* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */
	104	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xf, 0x1, 4, 24);
	105	if (ret < 0) {
	106	dev_err(runtime->dev, "can't set codec TDM slot %d\n", ret);
	107	return ret;
	108	}
	109
	110	/* NAU88L24 supports 4 butons headset detection
	111	* KEY_MEDIA
	112	* KEY_VOICECOMMAND
	113	* KEY_VOLUMEUP
	114	* KEY_VOLUMEDOWN
	115	*/
5aff078a	116	jack_type = SND_JACK_HEADSET \| SND_JACK_BTN_0 \| SND_JACK_BTN_1 \|
5b00ce63 JH	117	SND_JACK_BTN_2 \| SND_JACK_BTN_3;
	118	ret = snd_soc_card_jack_new(runtime->card, "Headset", jack_type, jack,
	119	cht_bsw_jack_pins, ARRAY_SIZE(cht_bsw_jack_pins));
	120	if (ret) {
	121	dev_err(runtime->dev,
	122	"Headset Jack creation failed %d\n", ret);
	123	return ret;
	124	}
	125	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_MEDIA);
	126	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
	127	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
	128	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
	129
3bf045d1	130	nau8824_enable_jack_detect(component, jack);
5b00ce63 JH	131
	132	return ret;
	133	}
	134
	135	static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
	136	struct snd_pcm_hw_params *params)
	137	{
	138	struct snd_interval *rate = hw_param_interval(params,
	139	SNDRV_PCM_HW_PARAM_RATE);
	140	struct snd_interval *channels = hw_param_interval(params,
	141	SNDRV_PCM_HW_PARAM_CHANNELS);
	142	struct snd_mask *fmt =
	143	hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
	144
	145	/* The DSP will covert the FE rate to 48k, stereo, 24bits */
	146	rate->min = rate->max = 48000;
	147	channels->min = channels->max = 2;
	148
	149	/* set SSP2 to 24-bit */
	150	snd_mask_none(fmt);
	151	params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
	152
	153	return 0;
	154	}
	155
	156	static int cht_aif1_startup(struct snd_pcm_substream *substream)
	157	{
	158	return snd_pcm_hw_constraint_single(substream->runtime,
	159	SNDRV_PCM_HW_PARAM_RATE, 48000);
	160	}
	161
	162	static const struct snd_soc_ops cht_aif1_ops = {
	163	.startup = cht_aif1_startup,
	164	};
	165
	166	static const struct snd_soc_ops cht_be_ssp2_ops = {
	167	.hw_params = cht_aif1_hw_params,
	168	};
	169
	170	static struct snd_soc_dai_link cht_dailink[] = {
	171	/* Front End DAI links */
	172	[MERR_DPCM_AUDIO] = {
	173	.name = "Audio Port",
	174	.stream_name = "Audio",
	175	.cpu_dai_name = "media-cpu-dai",
	176	.codec_dai_name = "snd-soc-dummy-dai",
	177	.codec_name = "snd-soc-dummy",
	178	.platform_name = "sst-mfld-platform",
	179	.nonatomic = true,
	180	.dynamic = 1,
	181	.dpcm_playback = 1,
	182	.dpcm_capture = 1,
	183	.ops = &cht_aif1_ops,
	184	},
	185	[MERR_DPCM_DEEP_BUFFER] = {
	186	.name = "Deep-Buffer Audio Port",
	187	.stream_name = "Deep-Buffer Audio",
	188	.cpu_dai_name = "deepbuffer-cpu-dai",
	189	.codec_dai_name = "snd-soc-dummy-dai",
	190	.codec_name = "snd-soc-dummy",
	191	.platform_name = "sst-mfld-platform",
	192	.nonatomic = true,
	193	.dynamic = 1,
	194	.dpcm_playback = 1,
195	.ops = &cht_aif1_ops,
196	},
197	[MERR_DPCM_COMPR] = {
198	.name = "Compressed Port",
199	.stream_name = "Compress",
200	.cpu_dai_name = "compress-cpu-dai",
201	.codec_dai_name = "snd-soc-dummy-dai",
202	.codec_name = "snd-soc-dummy",
203	.platform_name = "sst-mfld-platform",
204	},
205	/* Back End DAI links */
206	{
207	/* SSP2 - Codec */
208	.name = "SSP2-Codec",
209	.id = 1,
210	.cpu_dai_name = "ssp2-port",
211	.platform_name = "sst-mfld-platform",
212	.no_pcm = 1,
213	.codec_dai_name = NAU8824_CODEC_DAI,
214	.codec_name = "i2c-10508824:00",
215	.dai_fmt = SND_SOC_DAIFMT_DSP_B \| SND_SOC_DAIFMT_IB_NF
216	\| SND_SOC_DAIFMT_CBS_CFS,
217	.init = cht_codec_init,
218	.be_hw_params_fixup = cht_codec_fixup,
219	.dpcm_playback = 1,
220	.dpcm_capture = 1,
221	.ops = &cht_be_ssp2_ops,
222	},
223	};
224
225	/* SoC card */
226	static struct snd_soc_card snd_soc_card_cht = {
227	.name = "chtnau8824",
228	.owner = THIS_MODULE,
229	.dai_link = cht_dailink,
230	.num_links = ARRAY_SIZE(cht_dailink),
231	.dapm_widgets = cht_dapm_widgets,
232	.num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
233	.dapm_routes = cht_audio_map,
234	.num_dapm_routes = ARRAY_SIZE(cht_audio_map),
235	.controls = cht_mc_controls,
236	.num_controls = ARRAY_SIZE(cht_mc_controls),
237	};
238
239	static int snd_cht_mc_probe(struct platform_device *pdev)
240	{
241	struct cht_mc_private *drv;
4506db80 PLB	242	struct snd_soc_acpi_mach *mach;
4506db80 PLB	243	const char *platform_name;
5b00ce63 JH	244	int ret_val;
5b00ce63 JH	245
b113855a	246	drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
5b00ce63 JH	247	if (!drv)
	248	return -ENOMEM;
	249	snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
	250
4506db80 PLB	251	/* override plaform name, if required */
	252	mach = (&pdev->dev)->platform_data;
	253	platform_name = mach->mach_params.platform;
	254
	255	ret_val = snd_soc_fixup_dai_links_platform_name(&snd_soc_card_cht,
	256	platform_name);
	257	if (ret_val)
	258	return ret_val;
	259
5b00ce63 JH	260	/* register the soc card */
	261	snd_soc_card_cht.dev = &pdev->dev;
	262	ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
	263	if (ret_val) {
	264	dev_err(&pdev->dev,
	265	"snd_soc_register_card failed %d\n", ret_val);
	266	return ret_val;
	267	}
	268	platform_set_drvdata(pdev, &snd_soc_card_cht);
	269
	270	return ret_val;
	271	}
	272
	273	static struct platform_driver snd_cht_mc_driver = {
	274	.driver = {
	275	.name = "cht-bsw-nau8824",
	276	},
	277	.probe = snd_cht_mc_probe,
	278	};
	279
	280	module_platform_driver(snd_cht_mc_driver);
	281
	282	MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
	283	MODULE_AUTHOR("Wang, Joseph C <joequant@gmail.com>");
	284	MODULE_AUTHOR("John Hsu <KCHSU0@nuvoton.com>");
	285	MODULE_LICENSE("GPL v2");
	286	MODULE_ALIAS("platform:cht-bsw-nau8824");