[deliverable/linux.git] / sound / soc / omap / rx51.c

/*
 * rx51.c  --  SoC audio for Nokia RX-51
 *
 * Copyright (C) 2008 - 2009 Nokia Corporation
 *
 * Contact: Peter Ujfalusi <peter.ujfalusi@ti.com>
 *          Eduardo Valentin <eduardo.valentin@nokia.com>
 *          Jarkko Nikula <jarkko.nikula@bitmer.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <linux/platform_data/asoc-ti-mcbsp.h>
#include "../codecs/tpa6130a2.h"

#include <asm/mach-types.h>

#include "omap-mcbsp.h"

enum {
	RX51_JACK_DISABLED,
	RX51_JACK_TVOUT,		/* tv-out with stereo output */
	RX51_JACK_HP,			/* headphone: stereo output, no mic */
	RX51_JACK_HS,			/* headset: stereo output with mic */
};

struct rx51_audio_pdata {
	struct gpio_desc *tvout_selection_gpio;
	struct gpio_desc *jack_detection_gpio;
	struct gpio_desc *eci_sw_gpio;
	struct gpio_desc *speaker_amp_gpio;
};

static int rx51_spk_func;
static int rx51_dmic_func;
static int rx51_jack_func;

static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
{
	struct snd_soc_card *card = dapm->card;
	struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
	int hp = 0, hs = 0, tvout = 0;

	switch (rx51_jack_func) {
	case RX51_JACK_TVOUT:
		tvout = 1;
		hp = 1;
		break;
	case RX51_JACK_HS:
		hs = 1;
	case RX51_JACK_HP:
		hp = 1;
		break;
	}

	snd_soc_dapm_mutex_lock(dapm);

	if (rx51_spk_func)
		snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
	else
		snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
	if (rx51_dmic_func)
		snd_soc_dapm_enable_pin_unlocked(dapm, "DMic");
	else
		snd_soc_dapm_disable_pin_unlocked(dapm, "DMic");
	if (hp)
		snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
	else
		snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
	if (hs)
		snd_soc_dapm_enable_pin_unlocked(dapm, "HS Mic");
	else
		snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic");

	gpiod_set_value(pdata->tvout_selection_gpio, tvout);

	snd_soc_dapm_sync_unlocked(dapm);

	snd_soc_dapm_mutex_unlock(dapm);
}

static int rx51_startup(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_card *card = rtd->card;

	snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
	rx51_ext_control(&card->dapm);

	return 0;
}

static int rx51_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;

	/* Set the codec system clock for DAC and ADC */
	return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
				      SND_SOC_CLOCK_IN);
}

static struct snd_soc_ops rx51_ops = {
	.startup = rx51_startup,
	.hw_params = rx51_hw_params,
};

static int rx51_get_spk(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.enumerated.item[0] = rx51_spk_func;

	return 0;
}

static int rx51_set_spk(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);

	if (rx51_spk_func == ucontrol->value.enumerated.item[0])
		return 0;

	rx51_spk_func = ucontrol->value.enumerated.item[0];
	rx51_ext_control(&card->dapm);

	return 1;
}

static int rx51_spk_event(struct snd_soc_dapm_widget *w,
			  struct snd_kcontrol *k, int event)
{
	struct snd_soc_dapm_context *dapm = w->dapm;
	struct snd_soc_card *card = dapm->card;
	struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);

	gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio,
				     !!SND_SOC_DAPM_EVENT_ON(event));

	return 0;
}

static int rx51_hp_event(struct snd_soc_dapm_widget *w,
			 struct snd_kcontrol *k, int event)
{
	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);

	if (SND_SOC_DAPM_EVENT_ON(event))
		tpa6130a2_stereo_enable(codec, 1);
	else
		tpa6130a2_stereo_enable(codec, 0);

	return 0;
}

static int rx51_get_input(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.enumerated.item[0] = rx51_dmic_func;

	return 0;
}

static int rx51_set_input(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);

	if (rx51_dmic_func == ucontrol->value.enumerated.item[0])
		return 0;

	rx51_dmic_func = ucontrol->value.enumerated.item[0];
	rx51_ext_control(&card->dapm);

	return 1;
}

static int rx51_get_jack(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.enumerated.item[0] = rx51_jack_func;

	return 0;
}

static int rx51_set_jack(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);

	if (rx51_jack_func == ucontrol->value.enumerated.item[0])
		return 0;

	rx51_jack_func = ucontrol->value.enumerated.item[0];
	rx51_ext_control(&card->dapm);

	return 1;
}

static struct snd_soc_jack rx51_av_jack;

static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
	{
		.name = "avdet-gpio",
		.report = SND_JACK_HEADSET,
		.invert = 1,
		.debounce_time = 200,
	},
};

static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
	SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
	SND_SOC_DAPM_MIC("DMic", NULL),
	SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event),
	SND_SOC_DAPM_MIC("HS Mic", NULL),
	SND_SOC_DAPM_LINE("FM Transmitter", NULL),
	SND_SOC_DAPM_SPK("Earphone", NULL),
};

static const struct snd_soc_dapm_route audio_map[] = {
	{"Ext Spk", NULL, "HPLOUT"},
	{"Ext Spk", NULL, "HPROUT"},
	{"Ext Spk", NULL, "HPLCOM"},
	{"Ext Spk", NULL, "HPRCOM"},
	{"Headphone Jack", NULL, "LLOUT"},
	{"Headphone Jack", NULL, "RLOUT"},
	{"FM Transmitter", NULL, "LLOUT"},
	{"FM Transmitter", NULL, "RLOUT"},

	{"DMic Rate 64", NULL, "DMic"},
	{"DMic", NULL, "Mic Bias"},

	{"b LINE2R", NULL, "MONO_LOUT"},
	{"Earphone", NULL, "b HPLOUT"},

	{"LINE1L", NULL, "HS Mic"},
	{"HS Mic", NULL, "b Mic Bias"},
};

static const char * const spk_function[] = {"Off", "On"};
static const char * const input_function[] = {"ADC", "Digital Mic"};
static const char * const jack_function[] = {
	"Off", "TV-OUT", "Headphone", "Headset"
};

static const struct soc_enum rx51_enum[] = {
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
};

static const struct snd_kcontrol_new aic34_rx51_controls[] = {
	SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
		     rx51_get_spk, rx51_set_spk),
	SOC_ENUM_EXT("Input Select",  rx51_enum[1],
		     rx51_get_input, rx51_set_input),
	SOC_ENUM_EXT("Jack Function", rx51_enum[2],
		     rx51_get_jack, rx51_set_jack),
	SOC_DAPM_PIN_SWITCH("FM Transmitter"),
	SOC_DAPM_PIN_SWITCH("Earphone"),
};

static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_card *card = rtd->card;
	struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
	int err;

	err = tpa6130a2_add_controls(codec);
	if (err < 0) {
		dev_err(card->dev, "Failed to add TPA6130A2 controls\n");
		return err;
	}
	snd_soc_limit_volume(card, "TPA6130A2 Headphone Playback Volume", 42);

	err = omap_mcbsp_st_add_controls(rtd, 2);
	if (err < 0) {
		dev_err(card->dev, "Failed to add MCBSP controls\n");
		return err;
	}

	/* AV jack detection */
	err = snd_soc_card_jack_new(rtd->card, "AV Jack",
				    SND_JACK_HEADSET | SND_JACK_VIDEOOUT,
				    &rx51_av_jack, NULL, 0);
	if (err) {
		dev_err(card->dev, "Failed to add AV Jack\n");
		return err;
	}

	/* prepare gpio for snd_soc_jack_add_gpios */
	rx51_av_jack_gpios[0].gpio = desc_to_gpio(pdata->jack_detection_gpio);
	devm_gpiod_put(card->dev, pdata->jack_detection_gpio);

	err = snd_soc_jack_add_gpios(&rx51_av_jack,
				     ARRAY_SIZE(rx51_av_jack_gpios),
				     rx51_av_jack_gpios);
	if (err) {
		dev_err(card->dev, "Failed to add GPIOs\n");
		return err;
	}

	return err;
}

static int rx51_card_remove(struct snd_soc_card *card)
{
	snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
				rx51_av_jack_gpios);

	return 0;
}

/* Digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link rx51_dai[] = {
	{
		.name = "TLV320AIC34",
		.stream_name = "AIC34",
		.cpu_dai_name = "omap-mcbsp.2",
		.codec_dai_name = "tlv320aic3x-hifi",
		.platform_name = "omap-mcbsp.2",
		.codec_name = "tlv320aic3x-codec.2-0018",
		.dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
			   SND_SOC_DAIFMT_CBM_CFM,
		.init = rx51_aic34_init,
		.ops = &rx51_ops,
	},
};

static struct snd_soc_aux_dev rx51_aux_dev[] = {
	{
		.name = "TLV320AIC34b",
		.codec_name = "tlv320aic3x-codec.2-0019",
	},
};

static struct snd_soc_codec_conf rx51_codec_conf[] = {
	{
		.dev_name = "tlv320aic3x-codec.2-0019",
		.name_prefix = "b",
	},
};

/* Audio card */
static struct snd_soc_card rx51_sound_card = {
	.name = "RX-51",
	.owner = THIS_MODULE,
	.remove = rx51_card_remove,
	.dai_link = rx51_dai,
	.num_links = ARRAY_SIZE(rx51_dai),
	.aux_dev = rx51_aux_dev,
	.num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
	.codec_conf = rx51_codec_conf,
	.num_configs = ARRAY_SIZE(rx51_codec_conf),
	.fully_routed = true,

	.controls = aic34_rx51_controls,
	.num_controls = ARRAY_SIZE(aic34_rx51_controls),
	.dapm_widgets = aic34_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(aic34_dapm_widgets),
	.dapm_routes = audio_map,
	.num_dapm_routes = ARRAY_SIZE(audio_map),
};

static int rx51_soc_probe(struct platform_device *pdev)
{
	struct rx51_audio_pdata *pdata;
	struct device_node *np = pdev->dev.of_node;
	struct snd_soc_card *card = &rx51_sound_card;
	int err;

	if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
		return -ENODEV;

	card->dev = &pdev->dev;

	if (np) {
		struct device_node *dai_node;

		dai_node = of_parse_phandle(np, "nokia,cpu-dai", 0);
		if (!dai_node) {
			dev_err(&pdev->dev, "McBSP node is not provided\n");
			return -EINVAL;
		}
		rx51_dai[0].cpu_dai_name = NULL;
		rx51_dai[0].platform_name = NULL;
		rx51_dai[0].cpu_of_node = dai_node;
		rx51_dai[0].platform_of_node = dai_node;

		dai_node = of_parse_phandle(np, "nokia,audio-codec", 0);
		if (!dai_node) {
			dev_err(&pdev->dev, "Codec node is not provided\n");
			return -EINVAL;
		}
		rx51_dai[0].codec_name = NULL;
		rx51_dai[0].codec_of_node = dai_node;

		dai_node = of_parse_phandle(np, "nokia,audio-codec", 1);
		if (!dai_node) {
			dev_err(&pdev->dev, "Auxiliary Codec node is not provided\n");
			return -EINVAL;
		}
		rx51_aux_dev[0].codec_name = NULL;
		rx51_aux_dev[0].codec_of_node = dai_node;
		rx51_codec_conf[0].dev_name = NULL;
		rx51_codec_conf[0].of_node = dai_node;

		dai_node = of_parse_phandle(np, "nokia,headphone-amplifier", 0);
		if (!dai_node) {
			dev_err(&pdev->dev, "Headphone amplifier node is not provided\n");
			return -EINVAL;
		}

		/* TODO: tpa6130a2a driver supports only a single instance, so
		 * this driver ignores the headphone-amplifier node for now.
		 * It's already mandatory in the DT binding to be future proof.
		 */
	}

	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
	if (pdata == NULL) {
		dev_err(card->dev, "failed to create private data\n");
		return -ENOMEM;
	}
	snd_soc_card_set_drvdata(card, pdata);

	pdata->tvout_selection_gpio = devm_gpiod_get(card->dev,
						     "tvout-selection",
						     GPIOD_OUT_LOW);
	if (IS_ERR(pdata->tvout_selection_gpio)) {
		dev_err(card->dev, "could not get tvout selection gpio\n");
		return PTR_ERR(pdata->tvout_selection_gpio);
	}

	pdata->jack_detection_gpio = devm_gpiod_get(card->dev,
						    "jack-detection",
						    GPIOD_ASIS);
	if (IS_ERR(pdata->jack_detection_gpio)) {
		dev_err(card->dev, "could not get jack detection gpio\n");
		return PTR_ERR(pdata->jack_detection_gpio);
	}

	pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch",
					    GPIOD_OUT_HIGH);
	if (IS_ERR(pdata->eci_sw_gpio)) {
		dev_err(card->dev, "could not get eci switch gpio\n");
		return PTR_ERR(pdata->eci_sw_gpio);
	}

	pdata->speaker_amp_gpio = devm_gpiod_get(card->dev,
						 "speaker-amplifier",
						 GPIOD_OUT_LOW);
	if (IS_ERR(pdata->speaker_amp_gpio)) {
		dev_err(card->dev, "could not get speaker enable gpio\n");
		return PTR_ERR(pdata->speaker_amp_gpio);
	}

	err = devm_snd_soc_register_card(card->dev, card);
	if (err) {
		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err);
		return err;
	}

	return 0;
}

#if defined(CONFIG_OF)
static const struct of_device_id rx51_audio_of_match[] = {
	{ .compatible = "nokia,n900-audio", },
	{},
};
MODULE_DEVICE_TABLE(of, rx51_audio_of_match);
#endif

static struct platform_driver rx51_soc_driver = {
	.driver = {
		.name = "rx51-audio",
		.of_match_table = of_match_ptr(rx51_audio_of_match),
	},
	.probe = rx51_soc_probe,
};

module_platform_driver(rx51_soc_driver);

MODULE_AUTHOR("Nokia Corporation");
MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:rx51-audio");
Commit	Line	Data
49100c98 JN	1	/*
	2	* rx51.c -- SoC audio for Nokia RX-51
	3	*
	4	* Copyright (C) 2008 - 2009 Nokia Corporation
	5	*
0ac3a014	6	* Contact: Peter Ujfalusi <peter.ujfalusi@ti.com>
49100c98	7	* Eduardo Valentin <eduardo.valentin@nokia.com>
7ec41ee5	8	* Jarkko Nikula <jarkko.nikula@bitmer.com>
49100c98 JN	9	*
	10	* This program is free software; you can redistribute it and/or
	11	* modify it under the terms of the GNU General Public License
	12	* version 2 as published by the Free Software Foundation.
	13	*
	14	* This program is distributed in the hope that it will be useful, but
	15	* WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	22	* 02110-1301 USA
	23	*
	24	*/
	25
	26	#include <linux/delay.h>
	27	#include <linux/gpio.h>
	28	#include <linux/platform_device.h>
386e81ab	29	#include <linux/gpio/consumer.h>
da155d5b	30	#include <linux/module.h>
49100c98	31	#include <sound/core.h>
8c523115	32	#include <sound/jack.h>
49100c98 JN	33	#include <sound/pcm.h>
49100c98 JN	34	#include <sound/soc.h>
2203747c	35	#include <linux/platform_data/asoc-ti-mcbsp.h>
48529b3b	36	#include "../codecs/tpa6130a2.h"
49100c98 JN	37
	38	#include <asm/mach-types.h>
	39
	40	#include "omap-mcbsp.h"
49100c98	41
4eb54703 JN	42	enum {
4eb54703 JN	43	RX51_JACK_DISABLED,
48529b3b JN	44	RX51_JACK_TVOUT, /* tv-out with stereo output */
48529b3b JN	45	RX51_JACK_HP, /* headphone: stereo output, no mic */
31164c7c	46	RX51_JACK_HS, /* headset: stereo output with mic */
4eb54703 JN	47	};
4eb54703 JN	48
386e81ab SR	49	struct rx51_audio_pdata {
	50	struct gpio_desc *tvout_selection_gpio;
	51	struct gpio_desc *jack_detection_gpio;
	52	struct gpio_desc *eci_sw_gpio;
	53	struct gpio_desc *speaker_amp_gpio;
	54	};
	55
49100c98 JN	56	static int rx51_spk_func;
49100c98 JN	57	static int rx51_dmic_func;
4eb54703	58	static int rx51_jack_func;
49100c98	59
022658be	60	static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
49100c98	61	{
386e81ab SR	62	struct snd_soc_card *card = dapm->card;
386e81ab SR	63	struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
31164c7c	64	int hp = 0, hs = 0, tvout = 0;
48529b3b JN	65
	66	switch (rx51_jack_func) {
	67	case RX51_JACK_TVOUT:
	68	tvout = 1;
31164c7c JN	69	hp = 1;
	70	break;
	71	case RX51_JACK_HS:
	72	hs = 1;
48529b3b JN	73	case RX51_JACK_HP:
	74	hp = 1;
	75	break;
	76	}
ce6120cc	77
9dd2bb3f CK	78	snd_soc_dapm_mutex_lock(dapm);
9dd2bb3f CK	79
49100c98	80	if (rx51_spk_func)
9dd2bb3f	81	snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
49100c98	82	else
9dd2bb3f	83	snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
49100c98	84	if (rx51_dmic_func)
9dd2bb3f	85	snd_soc_dapm_enable_pin_unlocked(dapm, "DMic");
49100c98	86	else
9dd2bb3f	87	snd_soc_dapm_disable_pin_unlocked(dapm, "DMic");
48529b3b	88	if (hp)
9dd2bb3f	89	snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
48529b3b	90	else
9dd2bb3f	91	snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
31164c7c	92	if (hs)
9dd2bb3f	93	snd_soc_dapm_enable_pin_unlocked(dapm, "HS Mic");
31164c7c	94	else
9dd2bb3f	95	snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic");
49100c98	96
386e81ab	97	gpiod_set_value(pdata->tvout_selection_gpio, tvout);
4eb54703	98
9dd2bb3f CK	99	snd_soc_dapm_sync_unlocked(dapm);
	100
	101	snd_soc_dapm_mutex_unlock(dapm);
49100c98 JN	102	}
	103
	104	static int rx51_startup(struct snd_pcm_substream *substream)
	105	{
	106	struct snd_pcm_runtime *runtime = substream->runtime;
	107	struct snd_soc_pcm_runtime *rtd = substream->private_data;
022658be	108	struct snd_soc_card *card = rtd->card;
49100c98	109
be448b4f	110	snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
022658be	111	rx51_ext_control(&card->dapm);
49100c98 JN	112
	113	return 0;
	114	}
	115
	116	static int rx51_hw_params(struct snd_pcm_substream *substream,
	117	struct snd_pcm_hw_params *params)
	118	{
	119	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	120	struct snd_soc_dai *codec_dai = rtd->codec_dai;
49100c98 JN	121
	122	/* Set the codec system clock for DAC and ADC */
	123	return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
	124	SND_SOC_CLOCK_IN);
	125	}
	126
	127	static struct snd_soc_ops rx51_ops = {
	128	.startup = rx51_startup,
	129	.hw_params = rx51_hw_params,
	130	};
	131
	132	static int rx51_get_spk(struct snd_kcontrol *kcontrol,
	133	struct snd_ctl_elem_value *ucontrol)
	134	{
f4d438ee	135	ucontrol->value.enumerated.item[0] = rx51_spk_func;
49100c98 JN	136
	137	return 0;
	138	}
	139
	140	static int rx51_set_spk(struct snd_kcontrol *kcontrol,
	141	struct snd_ctl_elem_value *ucontrol)
	142	{
022658be	143	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
49100c98	144
f4d438ee	145	if (rx51_spk_func == ucontrol->value.enumerated.item[0])
49100c98 JN	146	return 0;
49100c98 JN	147
f4d438ee	148	rx51_spk_func = ucontrol->value.enumerated.item[0];
022658be	149	rx51_ext_control(&card->dapm);
49100c98 JN	150
	151	return 1;
	152	}
	153
	154	static int rx51_spk_event(struct snd_soc_dapm_widget *w,
	155	struct snd_kcontrol *k, int event)
	156	{
386e81ab SR	157	struct snd_soc_dapm_context *dapm = w->dapm;
	158	struct snd_soc_card *card = dapm->card;
	159	struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
	160
	161	gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio,
	162	!!SND_SOC_DAPM_EVENT_ON(event));
49100c98 JN	163
	164	return 0;
	165	}
	166
48529b3b JN	167	static int rx51_hp_event(struct snd_soc_dapm_widget *w,
	168	struct snd_kcontrol *k, int event)
	169	{
a761f87f	170	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
48529b3b JN	171
	172	if (SND_SOC_DAPM_EVENT_ON(event))
	173	tpa6130a2_stereo_enable(codec, 1);
	174	else
	175	tpa6130a2_stereo_enable(codec, 0);
	176
	177	return 0;
	178	}
	179
49100c98 JN	180	static int rx51_get_input(struct snd_kcontrol *kcontrol,
	181	struct snd_ctl_elem_value *ucontrol)
	182	{
f4d438ee	183	ucontrol->value.enumerated.item[0] = rx51_dmic_func;
49100c98 JN	184
	185	return 0;
	186	}
	187
	188	static int rx51_set_input(struct snd_kcontrol *kcontrol,
	189	struct snd_ctl_elem_value *ucontrol)
	190	{
022658be	191	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
49100c98	192
f4d438ee	193	if (rx51_dmic_func == ucontrol->value.enumerated.item[0])
49100c98 JN	194	return 0;
49100c98 JN	195
f4d438ee	196	rx51_dmic_func = ucontrol->value.enumerated.item[0];
022658be	197	rx51_ext_control(&card->dapm);
49100c98 JN	198
	199	return 1;
	200	}
	201
4eb54703 JN	202	static int rx51_get_jack(struct snd_kcontrol *kcontrol,
	203	struct snd_ctl_elem_value *ucontrol)
	204	{
f4d438ee	205	ucontrol->value.enumerated.item[0] = rx51_jack_func;
4eb54703 JN	206
	207	return 0;
	208	}
	209
	210	static int rx51_set_jack(struct snd_kcontrol *kcontrol,
	211	struct snd_ctl_elem_value *ucontrol)
	212	{
022658be	213	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
4eb54703	214
f4d438ee	215	if (rx51_jack_func == ucontrol->value.enumerated.item[0])
4eb54703 JN	216	return 0;
4eb54703 JN	217
f4d438ee	218	rx51_jack_func = ucontrol->value.enumerated.item[0];
022658be	219	rx51_ext_control(&card->dapm);
4eb54703 JN	220
	221	return 1;
	222	}
	223
8c523115 JN	224	static struct snd_soc_jack rx51_av_jack;
	225
	226	static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
	227	{
8c523115	228	.name = "avdet-gpio",
17840619	229	.report = SND_JACK_HEADSET,
8c523115 JN	230	.invert = 1,
	231	.debounce_time = 200,
	232	},
	233	};
	234
49100c98 JN	235	static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
	236	SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
	237	SND_SOC_DAPM_MIC("DMic", NULL),
48529b3b	238	SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event),
31164c7c	239	SND_SOC_DAPM_MIC("HS Mic", NULL),
9d7e584b	240	SND_SOC_DAPM_LINE("FM Transmitter", NULL),
8cda9751 JN	241	SND_SOC_DAPM_SPK("Earphone", NULL),
	242	};
	243
49100c98 JN	244	static const struct snd_soc_dapm_route audio_map[] = {
	245	{"Ext Spk", NULL, "HPLOUT"},
	246	{"Ext Spk", NULL, "HPROUT"},
6876c7c8 LPC	247	{"Ext Spk", NULL, "HPLCOM"},
6876c7c8 LPC	248	{"Ext Spk", NULL, "HPRCOM"},
48529b3b JN	249	{"Headphone Jack", NULL, "LLOUT"},
48529b3b JN	250	{"Headphone Jack", NULL, "RLOUT"},
9d7e584b JN	251	{"FM Transmitter", NULL, "LLOUT"},
9d7e584b JN	252	{"FM Transmitter", NULL, "RLOUT"},
49100c98	253
2ca087bc PU	254	{"DMic Rate 64", NULL, "DMic"},
2ca087bc PU	255	{"DMic", NULL, "Mic Bias"},
49100c98	256
8cda9751 JN	257	{"b LINE2R", NULL, "MONO_LOUT"},
8cda9751 JN	258	{"Earphone", NULL, "b HPLOUT"},
31164c7c	259
2ca087bc PU	260	{"LINE1L", NULL, "HS Mic"},
2ca087bc PU	261	{"HS Mic", NULL, "b Mic Bias"},
8cda9751 JN	262	};
8cda9751 JN	263
441dc45a SR	264	static const char * const spk_function[] = {"Off", "On"};
	265	static const char * const input_function[] = {"ADC", "Digital Mic"};
	266	static const char * const jack_function[] = {
	267	"Off", "TV-OUT", "Headphone", "Headset"
	268	};
49100c98 JN	269
	270	static const struct soc_enum rx51_enum[] = {
	271	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
	272	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
4eb54703	273	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
49100c98 JN	274	};
	275
	276	static const struct snd_kcontrol_new aic34_rx51_controls[] = {
	277	SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
	278	rx51_get_spk, rx51_set_spk),
	279	SOC_ENUM_EXT("Input Select", rx51_enum[1],
	280	rx51_get_input, rx51_set_input),
4eb54703 JN	281	SOC_ENUM_EXT("Jack Function", rx51_enum[2],
4eb54703 JN	282	rx51_get_jack, rx51_set_jack),
9d7e584b	283	SOC_DAPM_PIN_SWITCH("FM Transmitter"),
8cda9751 JN	284	SOC_DAPM_PIN_SWITCH("Earphone"),
	285	};
	286
f0fba2ad	287	static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
49100c98	288	{
f0fba2ad	289	struct snd_soc_codec *codec = rtd->codec;
0596f700	290	struct snd_soc_card *card = rtd->card;
386e81ab	291	struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
49100c98 JN	292	int err;
49100c98 JN	293
48529b3b	294	err = tpa6130a2_add_controls(codec);
0265e1ae SR	295	if (err < 0) {
0265e1ae SR	296	dev_err(card->dev, "Failed to add TPA6130A2 controls\n");
48529b3b	297	return err;
0265e1ae	298	}
26d9ca34	299	snd_soc_limit_volume(card, "TPA6130A2 Headphone Playback Volume", 42);
48529b3b	300
0a17a370	301	err = omap_mcbsp_st_add_controls(rtd, 2);
0265e1ae SR	302	if (err < 0) {
0265e1ae SR	303	dev_err(card->dev, "Failed to add MCBSP controls\n");
fa4d1f59	304	return err;
0265e1ae	305	}
fa4d1f59	306
8c523115	307	/* AV jack detection */
753d45e6 LPC	308	err = snd_soc_card_jack_new(rtd->card, "AV Jack",
	309	SND_JACK_HEADSET \| SND_JACK_VIDEOOUT,
	310	&rx51_av_jack, NULL, 0);
0265e1ae SR	311	if (err) {
0265e1ae SR	312	dev_err(card->dev, "Failed to add AV Jack\n");
8c523115	313	return err;
0265e1ae	314	}
386e81ab SR	315
	316	/* prepare gpio for snd_soc_jack_add_gpios */
	317	rx51_av_jack_gpios[0].gpio = desc_to_gpio(pdata->jack_detection_gpio);
	318	devm_gpiod_put(card->dev, pdata->jack_detection_gpio);
	319
8c523115 JN	320	err = snd_soc_jack_add_gpios(&rx51_av_jack,
	321	ARRAY_SIZE(rx51_av_jack_gpios),
	322	rx51_av_jack_gpios);
0265e1ae SR	323	if (err) {
	324	dev_err(card->dev, "Failed to add GPIOs\n");
	325	return err;
	326	}
8c523115 JN	327
8c523115 JN	328	return err;
49100c98 JN	329	}
49100c98 JN	330
16088cb6	331	static int rx51_card_remove(struct snd_soc_card *card)
e1d4d3c8 SW	332	{
	333	snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
	334	rx51_av_jack_gpios);
	335
	336	return 0;
	337	}
	338
49100c98 JN	339	/* Digital audio interface glue - connects codec <--> CPU */
	340	static struct snd_soc_dai_link rx51_dai[] = {
	341	{
	342	.name = "TLV320AIC34",
	343	.stream_name = "AIC34",
45656b44	344	.cpu_dai_name = "omap-mcbsp.2",
f0fba2ad	345	.codec_dai_name = "tlv320aic3x-hifi",
aac25145	346	.platform_name = "omap-mcbsp.2",
f0fba2ad	347	.codec_name = "tlv320aic3x-codec.2-0018",
cf9feff2 JN	348	.dai_fmt = SND_SOC_DAIFMT_DSP_A \| SND_SOC_DAIFMT_IB_NF \|
cf9feff2 JN	349	SND_SOC_DAIFMT_CBM_CFM,
49100c98 JN	350	.init = rx51_aic34_init,
	351	.ops = &rx51_ops,
	352	},
	353	};
	354
a0e17b4e	355	static struct snd_soc_aux_dev rx51_aux_dev[] = {
8cda9751 JN	356	{
	357	.name = "TLV320AIC34b",
	358	.codec_name = "tlv320aic3x-codec.2-0019",
8cda9751 JN	359	},
	360	};
	361
	362	static struct snd_soc_codec_conf rx51_codec_conf[] = {
	363	{
	364	.dev_name = "tlv320aic3x-codec.2-0019",
	365	.name_prefix = "b",
	366	},
	367	};
	368
49100c98 JN	369	/* Audio card */
	370	static struct snd_soc_card rx51_sound_card = {
	371	.name = "RX-51",
b425b884	372	.owner = THIS_MODULE,
e1d4d3c8	373	.remove = rx51_card_remove,
49100c98 JN	374	.dai_link = rx51_dai,
49100c98 JN	375	.num_links = ARRAY_SIZE(rx51_dai),
8cda9751 JN	376	.aux_dev = rx51_aux_dev,
	377	.num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
	378	.codec_conf = rx51_codec_conf,
	379	.num_configs = ARRAY_SIZE(rx51_codec_conf),
6876c7c8	380	.fully_routed = true,
81fc5dd4 LPC	381
	382	.controls = aic34_rx51_controls,
	383	.num_controls = ARRAY_SIZE(aic34_rx51_controls),
	384	.dapm_widgets = aic34_dapm_widgets,
	385	.num_dapm_widgets = ARRAY_SIZE(aic34_dapm_widgets),
	386	.dapm_routes = audio_map,
	387	.num_dapm_routes = ARRAY_SIZE(audio_map),
49100c98 JN	388	};
49100c98 JN	389
a7d52028	390	static int rx51_soc_probe(struct platform_device *pdev)
49100c98	391	{
386e81ab	392	struct rx51_audio_pdata *pdata;
d052a3d6	393	struct device_node *np = pdev->dev.of_node;
a7d52028	394	struct snd_soc_card *card = &rx51_sound_card;
49100c98 JN	395	int err;
49100c98 JN	396
ea2409ba	397	if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
49100c98 JN	398	return -ENODEV;
49100c98 JN	399
a7d52028	400	card->dev = &pdev->dev;
49100c98	401
d052a3d6 SR	402	if (np) {
	403	struct device_node *dai_node;
	404
	405	dai_node = of_parse_phandle(np, "nokia,cpu-dai", 0);
	406	if (!dai_node) {
	407	dev_err(&pdev->dev, "McBSP node is not provided\n");
	408	return -EINVAL;
	409	}
	410	rx51_dai[0].cpu_dai_name = NULL;
	411	rx51_dai[0].platform_name = NULL;
	412	rx51_dai[0].cpu_of_node = dai_node;
	413	rx51_dai[0].platform_of_node = dai_node;
	414
	415	dai_node = of_parse_phandle(np, "nokia,audio-codec", 0);
	416	if (!dai_node) {
	417	dev_err(&pdev->dev, "Codec node is not provided\n");
	418	return -EINVAL;
	419	}
	420	rx51_dai[0].codec_name = NULL;
	421	rx51_dai[0].codec_of_node = dai_node;
	422
	423	dai_node = of_parse_phandle(np, "nokia,audio-codec", 1);
	424	if (!dai_node) {
	425	dev_err(&pdev->dev, "Auxiliary Codec node is not provided\n");
	426	return -EINVAL;
	427	}
	428	rx51_aux_dev[0].codec_name = NULL;
	429	rx51_aux_dev[0].codec_of_node = dai_node;
	430	rx51_codec_conf[0].dev_name = NULL;
	431	rx51_codec_conf[0].of_node = dai_node;
	432
	433	dai_node = of_parse_phandle(np, "nokia,headphone-amplifier", 0);
	434	if (!dai_node) {
	435	dev_err(&pdev->dev, "Headphone amplifier node is not provided\n");
	436	return -EINVAL;
	437	}
	438
	439	/* TODO: tpa6130a2a driver supports only a single instance, so
	440	* this driver ignores the headphone-amplifier node for now.
	441	* It's already mandatory in the DT binding to be future proof.
	442	*/
	443	}
	444
386e81ab SR	445	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
	446	if (pdata == NULL) {
	447	dev_err(card->dev, "failed to create private data\n");
	448	return -ENOMEM;
	449	}
	450	snd_soc_card_set_drvdata(card, pdata);
	451
	452	pdata->tvout_selection_gpio = devm_gpiod_get(card->dev,
0a8ba6ee UKK	453	"tvout-selection",
0a8ba6ee UKK	454	GPIOD_OUT_LOW);
386e81ab SR	455	if (IS_ERR(pdata->tvout_selection_gpio)) {
	456	dev_err(card->dev, "could not get tvout selection gpio\n");
	457	return PTR_ERR(pdata->tvout_selection_gpio);
	458	}
	459
386e81ab	460	pdata->jack_detection_gpio = devm_gpiod_get(card->dev,
0a8ba6ee UKK	461	"jack-detection",
0a8ba6ee UKK	462	GPIOD_ASIS);
386e81ab SR	463	if (IS_ERR(pdata->jack_detection_gpio)) {
	464	dev_err(card->dev, "could not get jack detection gpio\n");
	465	return PTR_ERR(pdata->jack_detection_gpio);
	466	}
	467
0a8ba6ee UKK	468	pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch",
0a8ba6ee UKK	469	GPIOD_OUT_HIGH);
386e81ab SR	470	if (IS_ERR(pdata->eci_sw_gpio)) {
	471	dev_err(card->dev, "could not get eci switch gpio\n");
	472	return PTR_ERR(pdata->eci_sw_gpio);
	473	}
	474
386e81ab	475	pdata->speaker_amp_gpio = devm_gpiod_get(card->dev,
0a8ba6ee UKK	476	"speaker-amplifier",
0a8ba6ee UKK	477	GPIOD_OUT_LOW);
386e81ab SR	478	if (IS_ERR(pdata->speaker_amp_gpio)) {
	479	dev_err(card->dev, "could not get speaker enable gpio\n");
	480	return PTR_ERR(pdata->speaker_amp_gpio);
	481	}
	482
a7d52028 SR	483	err = devm_snd_soc_register_card(card->dev, card);
	484	if (err) {
	485	dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err);
386e81ab	486	return err;
a7d52028	487	}
49100c98 JN	488
49100c98 JN	489	return 0;
49100c98 JN	490	}
49100c98 JN	491
d052a3d6 SR	492	#if defined(CONFIG_OF)
	493	static const struct of_device_id rx51_audio_of_match[] = {
	494	{ .compatible = "nokia,n900-audio", },
	495	{},
	496	};
	497	MODULE_DEVICE_TABLE(of, rx51_audio_of_match);
	498	#endif
	499
a7d52028 SR	500	static struct platform_driver rx51_soc_driver = {
	501	.driver = {
	502	.name = "rx51-audio",
d052a3d6	503	.of_match_table = of_match_ptr(rx51_audio_of_match),
a7d52028 SR	504	},
a7d52028 SR	505	.probe = rx51_soc_probe,
a7d52028 SR	506	};
	507
	508	module_platform_driver(rx51_soc_driver);
49100c98 JN	509
	510	MODULE_AUTHOR("Nokia Corporation");
	511	MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
	512	MODULE_LICENSE("GPL");
beab3da1	513	MODULE_ALIAS("platform:rx51-audio");