[deliverable/linux.git] / sound / soc / intel / byt-rt5640.c

/*
 * Intel Baytrail SST RT5640 machine driver
 * Copyright (c) 2014, Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 */

#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/acpi.h>
#include <linux/device.h>
#include <linux/slab.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include "../codecs/rt5640.h"

#include "sst-dsp.h"

static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
	SND_SOC_DAPM_HP("Headphone", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MIC("Internal Mic", NULL),
	SND_SOC_DAPM_SPK("Speaker", NULL),
};

static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
	{"Headset Mic", NULL, "MICBIAS1"},
	{"IN2P", NULL, "Headset Mic"},
	{"IN2N", NULL, "Headset Mic"},
	{"DMIC1", NULL, "Internal Mic"},
	{"Headphone", NULL, "HPOL"},
	{"Headphone", NULL, "HPOR"},
	{"Speaker", NULL, "SPOLP"},
	{"Speaker", NULL, "SPOLN"},
	{"Speaker", NULL, "SPORP"},
	{"Speaker", NULL, "SPORN"},
};

static const struct snd_kcontrol_new byt_rt5640_controls[] = {
	SOC_DAPM_PIN_SWITCH("Headphone"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	SOC_DAPM_PIN_SWITCH("Internal Mic"),
	SOC_DAPM_PIN_SWITCH("Speaker"),
};

static int byt_rt5640_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, RT5640_SCLK_S_PLL1,
				     params_rate(params) * 256,
				     SND_SOC_CLOCK_IN);
	if (ret < 0) {
		dev_err(codec_dai->dev, "can't set codec clock %d\n", ret);
		return ret;
	}
	ret = snd_soc_dai_set_pll(codec_dai, 0, RT5640_PLL1_S_BCLK1,
				  params_rate(params) * 64,
				  params_rate(params) * 256);
	if (ret < 0) {
		dev_err(codec_dai->dev, "can't set codec pll: %d\n", ret);
		return ret;
	}
	return 0;
}

static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
{
	int ret;
	struct snd_soc_codec *codec = runtime->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	struct snd_soc_card *card = runtime->card;

	card->dapm.idle_bias_off = true;

	ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
					ARRAY_SIZE(byt_rt5640_controls));
	if (ret) {
		dev_err(card->dev, "unable to add card controls\n");
		return ret;
	}

	snd_soc_dapm_ignore_suspend(dapm, "HPOL");
	snd_soc_dapm_ignore_suspend(dapm, "HPOR");

	snd_soc_dapm_ignore_suspend(dapm, "SPOLP");
	snd_soc_dapm_ignore_suspend(dapm, "SPOLN");
	snd_soc_dapm_ignore_suspend(dapm, "SPORP");
	snd_soc_dapm_ignore_suspend(dapm, "SPORN");

	return ret;
}

static struct snd_soc_ops byt_rt5640_ops = {
	.hw_params = byt_rt5640_hw_params,
};

static struct snd_soc_dai_link byt_rt5640_dais[] = {
	{
		.name = "Baytrail Audio",
		.stream_name = "Audio",
		.cpu_dai_name = "baytrail-pcm-audio",
		.codec_dai_name = "rt5640-aif1",
		.codec_name = "i2c-10EC5640:00",
		.platform_name = "baytrail-pcm-audio",
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
			   SND_SOC_DAIFMT_CBS_CFS,
		.init = byt_rt5640_init,
		.ops = &byt_rt5640_ops,
	},
};

static struct snd_soc_card byt_rt5640_card = {
	.name = "byt-rt5640",
	.dai_link = byt_rt5640_dais,
	.num_links = ARRAY_SIZE(byt_rt5640_dais),
	.dapm_widgets = byt_rt5640_widgets,
	.num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
	.dapm_routes = byt_rt5640_audio_map,
	.num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
};

static int byt_rt5640_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &byt_rt5640_card;

	card->dev = &pdev->dev;
	return devm_snd_soc_register_card(&pdev->dev, card);
}

static struct platform_driver byt_rt5640_audio = {
	.probe = byt_rt5640_probe,
	.driver = {
		.name = "byt-rt5640",
		.owner = THIS_MODULE,
		.pm = &snd_soc_pm_ops,
	},
};
module_platform_driver(byt_rt5640_audio)

MODULE_DESCRIPTION("ASoC Intel(R) Baytrail Machine driver");
MODULE_AUTHOR("Omair Md Abdullah, Jarkko Nikula");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:byt-rt5640");
Commit	Line	Data
a4b12990 MB	1	/*
	2	* Intel Baytrail SST RT5640 machine driver
	3	* Copyright (c) 2014, Intel Corporation.
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms and conditions of the GNU General Public License,
	7	* version 2, as published by the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*/
	14
	15	#include <linux/init.h>
	16	#include <linux/module.h>
	17	#include <linux/platform_device.h>
	18	#include <linux/acpi.h>
	19	#include <linux/device.h>
	20	#include <linux/slab.h>
	21	#include <sound/pcm.h>
	22	#include <sound/pcm_params.h>
	23	#include <sound/soc.h>
	24	#include <sound/jack.h>
	25	#include "../codecs/rt5640.h"
	26
	27	#include "sst-dsp.h"
	28
	29	static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
	30	SND_SOC_DAPM_HP("Headphone", NULL),
	31	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	32	SND_SOC_DAPM_MIC("Internal Mic", NULL),
	33	SND_SOC_DAPM_SPK("Speaker", NULL),
	34	};
	35
	36	static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
c9a8e3bd	37	{"Headset Mic", NULL, "MICBIAS1"},
a4b12990 MB	38	{"IN2P", NULL, "Headset Mic"},
	39	{"IN2N", NULL, "Headset Mic"},
	40	{"DMIC1", NULL, "Internal Mic"},
	41	{"Headphone", NULL, "HPOL"},
	42	{"Headphone", NULL, "HPOR"},
	43	{"Speaker", NULL, "SPOLP"},
	44	{"Speaker", NULL, "SPOLN"},
	45	{"Speaker", NULL, "SPORP"},
	46	{"Speaker", NULL, "SPORN"},
	47	};
	48
	49	static const struct snd_kcontrol_new byt_rt5640_controls[] = {
	50	SOC_DAPM_PIN_SWITCH("Headphone"),
	51	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	52	SOC_DAPM_PIN_SWITCH("Internal Mic"),
	53	SOC_DAPM_PIN_SWITCH("Speaker"),
	54	};
	55
	56	static int byt_rt5640_hw_params(struct snd_pcm_substream *substream,
	57	struct snd_pcm_hw_params *params)
	58	{
	59	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	60	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	61	int ret;
	62
	63	ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1,
	64	params_rate(params) * 256,
	65	SND_SOC_CLOCK_IN);
	66	if (ret < 0) {
	67	dev_err(codec_dai->dev, "can't set codec clock %d\n", ret);
	68	return ret;
	69	}
	70	ret = snd_soc_dai_set_pll(codec_dai, 0, RT5640_PLL1_S_BCLK1,
	71	params_rate(params) * 64,
	72	params_rate(params) * 256);
	73	if (ret < 0) {
	74	dev_err(codec_dai->dev, "can't set codec pll: %d\n", ret);
	75	return ret;
	76	}
	77	return 0;
	78	}
	79
	80	static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
	81	{
	82	int ret;
	83	struct snd_soc_codec *codec = runtime->codec;
	84	struct snd_soc_dapm_context *dapm = &codec->dapm;
	85	struct snd_soc_card *card = runtime->card;
	86
	87	card->dapm.idle_bias_off = true;
	88
	89	ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
	90	ARRAY_SIZE(byt_rt5640_controls));
	91	if (ret) {
	92	dev_err(card->dev, "unable to add card controls\n");
	93	return ret;
	94	}
	95
	96	snd_soc_dapm_ignore_suspend(dapm, "HPOL");
	97	snd_soc_dapm_ignore_suspend(dapm, "HPOR");
	98
	99	snd_soc_dapm_ignore_suspend(dapm, "SPOLP");
	100	snd_soc_dapm_ignore_suspend(dapm, "SPOLN");
	101	snd_soc_dapm_ignore_suspend(dapm, "SPORP");
102	snd_soc_dapm_ignore_suspend(dapm, "SPORN");
103
a4b12990 MB	104	return ret;
	105	}
	106
	107	static struct snd_soc_ops byt_rt5640_ops = {
	108	.hw_params = byt_rt5640_hw_params,
	109	};
	110
	111	static struct snd_soc_dai_link byt_rt5640_dais[] = {
	112	{
	113	.name = "Baytrail Audio",
	114	.stream_name = "Audio",
49fee178	115	.cpu_dai_name = "baytrail-pcm-audio",
a4b12990 MB	116	.codec_dai_name = "rt5640-aif1",
	117	.codec_name = "i2c-10EC5640:00",
	118	.platform_name = "baytrail-pcm-audio",
	119	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
	120	SND_SOC_DAIFMT_CBS_CFS,
	121	.init = byt_rt5640_init,
a4b12990 MB	122	.ops = &byt_rt5640_ops,
	123	},
	124	};
	125
	126	static struct snd_soc_card byt_rt5640_card = {
	127	.name = "byt-rt5640",
	128	.dai_link = byt_rt5640_dais,
	129	.num_links = ARRAY_SIZE(byt_rt5640_dais),
	130	.dapm_widgets = byt_rt5640_widgets,
	131	.num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
	132	.dapm_routes = byt_rt5640_audio_map,
	133	.num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
	134	};
	135
	136	static int byt_rt5640_probe(struct platform_device *pdev)
	137	{
	138	struct snd_soc_card *card = &byt_rt5640_card;
a4b12990 MB	139
a4b12990 MB	140	card->dev = &pdev->dev;
8eb776ab	141	return devm_snd_soc_register_card(&pdev->dev, card);
a4b12990 MB	142	}
	143
	144	static struct platform_driver byt_rt5640_audio = {
	145	.probe = byt_rt5640_probe,
a4b12990 MB	146	.driver = {
	147	.name = "byt-rt5640",
	148	.owner = THIS_MODULE,
4af72f4e	149	.pm = &snd_soc_pm_ops,
a4b12990 MB	150	},
	151	};
	152	module_platform_driver(byt_rt5640_audio)
	153
	154	MODULE_DESCRIPTION("ASoC Intel(R) Baytrail Machine driver");
	155	MODULE_AUTHOR("Omair Md Abdullah, Jarkko Nikula");
	156	MODULE_LICENSE("GPL v2");
	157	MODULE_ALIAS("platform:byt-rt5640");