[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 <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_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", NULL),
	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"},
	{"FM Transmitter", NULL, "LLOUT"},
	{"FM Transmitter", NULL, "RLOUT"},

	{"Headphone Jack", NULL, "TPA6130A2 HPLEFT"},
	{"Headphone Jack", NULL, "TPA6130A2 HPRIGHT"},
	{"TPA6130A2 LEFTIN", NULL, "LLOUT"},
	{"TPA6130A2 RIGHTIN", 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_card *card = rtd->card;
	struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
	int 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",
	},
	{
		.name = "TPA61320A2",
		.codec_name = "tpa6130a2.2-0060",
	},
};

static struct snd_soc_codec_conf rx51_codec_conf[] = {
	{
		.dev_name = "tlv320aic3x-codec.2-0019",
		.name_prefix = "b",
	},
	{
		.dev_name = "tpa6130a2.2-0060",
		.name_prefix = "TPA6130A2",
	},
};

/* 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;
		}
		rx51_aux_dev[1].codec_name = NULL;
		rx51_aux_dev[1].codec_of_node = dai_node;
		rx51_codec_conf[1].dev_name = NULL;
		rx51_codec_conf[1].of_node = dai_node;
	}

	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>
49100c98 JN	36
	37	#include <asm/mach-types.h>
	38
	39	#include "omap-mcbsp.h"
49100c98	40
4eb54703 JN	41	enum {
4eb54703 JN	42	RX51_JACK_DISABLED,
48529b3b JN	43	RX51_JACK_TVOUT, /* tv-out with stereo output */
48529b3b JN	44	RX51_JACK_HP, /* headphone: stereo output, no mic */
31164c7c	45	RX51_JACK_HS, /* headset: stereo output with mic */
4eb54703 JN	46	};
4eb54703 JN	47
386e81ab SR	48	struct rx51_audio_pdata {
	49	struct gpio_desc *tvout_selection_gpio;
	50	struct gpio_desc *jack_detection_gpio;
	51	struct gpio_desc *eci_sw_gpio;
	52	struct gpio_desc *speaker_amp_gpio;
	53	};
	54
49100c98 JN	55	static int rx51_spk_func;
49100c98 JN	56	static int rx51_dmic_func;
4eb54703	57	static int rx51_jack_func;
49100c98	58
022658be	59	static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
49100c98	60	{
386e81ab SR	61	struct snd_soc_card *card = dapm->card;
386e81ab SR	62	struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
31164c7c	63	int hp = 0, hs = 0, tvout = 0;
48529b3b JN	64
	65	switch (rx51_jack_func) {
	66	case RX51_JACK_TVOUT:
	67	tvout = 1;
31164c7c JN	68	hp = 1;
	69	break;
	70	case RX51_JACK_HS:
	71	hs = 1;
48529b3b JN	72	case RX51_JACK_HP:
	73	hp = 1;
	74	break;
	75	}
ce6120cc	76
9dd2bb3f CK	77	snd_soc_dapm_mutex_lock(dapm);
9dd2bb3f CK	78
49100c98	79	if (rx51_spk_func)
9dd2bb3f	80	snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
49100c98	81	else
9dd2bb3f	82	snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
49100c98	83	if (rx51_dmic_func)
9dd2bb3f	84	snd_soc_dapm_enable_pin_unlocked(dapm, "DMic");
49100c98	85	else
9dd2bb3f	86	snd_soc_dapm_disable_pin_unlocked(dapm, "DMic");
48529b3b	87	if (hp)
9dd2bb3f	88	snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
48529b3b	89	else
9dd2bb3f	90	snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
31164c7c	91	if (hs)
9dd2bb3f	92	snd_soc_dapm_enable_pin_unlocked(dapm, "HS Mic");
31164c7c	93	else
9dd2bb3f	94	snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic");
49100c98	95
386e81ab	96	gpiod_set_value(pdata->tvout_selection_gpio, tvout);
4eb54703	97
9dd2bb3f CK	98	snd_soc_dapm_sync_unlocked(dapm);
	99
	100	snd_soc_dapm_mutex_unlock(dapm);
49100c98 JN	101	}
	102
	103	static int rx51_startup(struct snd_pcm_substream *substream)
	104	{
	105	struct snd_pcm_runtime *runtime = substream->runtime;
	106	struct snd_soc_pcm_runtime *rtd = substream->private_data;
022658be	107	struct snd_soc_card *card = rtd->card;
49100c98	108
be448b4f	109	snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
022658be	110	rx51_ext_control(&card->dapm);
49100c98 JN	111
	112	return 0;
	113	}
	114
	115	static int rx51_hw_params(struct snd_pcm_substream *substream,
	116	struct snd_pcm_hw_params *params)
	117	{
	118	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	119	struct snd_soc_dai *codec_dai = rtd->codec_dai;
49100c98 JN	120
	121	/* Set the codec system clock for DAC and ADC */
	122	return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
	123	SND_SOC_CLOCK_IN);
	124	}
	125
	126	static struct snd_soc_ops rx51_ops = {
	127	.startup = rx51_startup,
	128	.hw_params = rx51_hw_params,
	129	};
	130
	131	static int rx51_get_spk(struct snd_kcontrol *kcontrol,
	132	struct snd_ctl_elem_value *ucontrol)
	133	{
f4d438ee	134	ucontrol->value.enumerated.item[0] = rx51_spk_func;
49100c98 JN	135
	136	return 0;
	137	}
	138
	139	static int rx51_set_spk(struct snd_kcontrol *kcontrol,
	140	struct snd_ctl_elem_value *ucontrol)
	141	{
022658be	142	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
49100c98	143
f4d438ee	144	if (rx51_spk_func == ucontrol->value.enumerated.item[0])
49100c98 JN	145	return 0;
49100c98 JN	146
f4d438ee	147	rx51_spk_func = ucontrol->value.enumerated.item[0];
022658be	148	rx51_ext_control(&card->dapm);
49100c98 JN	149
	150	return 1;
	151	}
	152
	153	static int rx51_spk_event(struct snd_soc_dapm_widget *w,
	154	struct snd_kcontrol *k, int event)
	155	{
386e81ab SR	156	struct snd_soc_dapm_context *dapm = w->dapm;
	157	struct snd_soc_card *card = dapm->card;
	158	struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
	159
	160	gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio,
	161	!!SND_SOC_DAPM_EVENT_ON(event));
49100c98 JN	162
	163	return 0;
	164	}
	165
	166	static int rx51_get_input(struct snd_kcontrol *kcontrol,
	167	struct snd_ctl_elem_value *ucontrol)
	168	{
f4d438ee	169	ucontrol->value.enumerated.item[0] = rx51_dmic_func;
49100c98 JN	170
	171	return 0;
	172	}
	173
	174	static int rx51_set_input(struct snd_kcontrol *kcontrol,
	175	struct snd_ctl_elem_value *ucontrol)
	176	{
022658be	177	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
49100c98	178
f4d438ee	179	if (rx51_dmic_func == ucontrol->value.enumerated.item[0])
49100c98 JN	180	return 0;
49100c98 JN	181
f4d438ee	182	rx51_dmic_func = ucontrol->value.enumerated.item[0];
022658be	183	rx51_ext_control(&card->dapm);
49100c98 JN	184
	185	return 1;
	186	}
	187
4eb54703 JN	188	static int rx51_get_jack(struct snd_kcontrol *kcontrol,
	189	struct snd_ctl_elem_value *ucontrol)
	190	{
f4d438ee	191	ucontrol->value.enumerated.item[0] = rx51_jack_func;
4eb54703 JN	192
	193	return 0;
	194	}
	195
	196	static int rx51_set_jack(struct snd_kcontrol *kcontrol,
	197	struct snd_ctl_elem_value *ucontrol)
	198	{
022658be	199	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
4eb54703	200
f4d438ee	201	if (rx51_jack_func == ucontrol->value.enumerated.item[0])
4eb54703 JN	202	return 0;
4eb54703 JN	203
f4d438ee	204	rx51_jack_func = ucontrol->value.enumerated.item[0];
022658be	205	rx51_ext_control(&card->dapm);
4eb54703 JN	206
	207	return 1;
	208	}
	209
8c523115 JN	210	static struct snd_soc_jack rx51_av_jack;
	211
	212	static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
	213	{
8c523115	214	.name = "avdet-gpio",
17840619	215	.report = SND_JACK_HEADSET,
8c523115 JN	216	.invert = 1,
	217	.debounce_time = 200,
	218	},
	219	};
	220
49100c98 JN	221	static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
	222	SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
	223	SND_SOC_DAPM_MIC("DMic", NULL),
6d2de5ab	224	SND_SOC_DAPM_HP("Headphone Jack", NULL),
31164c7c	225	SND_SOC_DAPM_MIC("HS Mic", NULL),
9d7e584b	226	SND_SOC_DAPM_LINE("FM Transmitter", NULL),
8cda9751 JN	227	SND_SOC_DAPM_SPK("Earphone", NULL),
	228	};
	229
49100c98 JN	230	static const struct snd_soc_dapm_route audio_map[] = {
	231	{"Ext Spk", NULL, "HPLOUT"},
	232	{"Ext Spk", NULL, "HPROUT"},
6876c7c8 LPC	233	{"Ext Spk", NULL, "HPLCOM"},
6876c7c8 LPC	234	{"Ext Spk", NULL, "HPRCOM"},
9d7e584b JN	235	{"FM Transmitter", NULL, "LLOUT"},
9d7e584b JN	236	{"FM Transmitter", NULL, "RLOUT"},
49100c98	237
6d2de5ab HK	238	{"Headphone Jack", NULL, "TPA6130A2 HPLEFT"},
	239	{"Headphone Jack", NULL, "TPA6130A2 HPRIGHT"},
	240	{"TPA6130A2 LEFTIN", NULL, "LLOUT"},
	241	{"TPA6130A2 RIGHTIN", NULL, "RLOUT"},
	242
2ca087bc PU	243	{"DMic Rate 64", NULL, "DMic"},
2ca087bc PU	244	{"DMic", NULL, "Mic Bias"},
49100c98	245
8cda9751 JN	246	{"b LINE2R", NULL, "MONO_LOUT"},
8cda9751 JN	247	{"Earphone", NULL, "b HPLOUT"},
31164c7c	248
2ca087bc PU	249	{"LINE1L", NULL, "HS Mic"},
2ca087bc PU	250	{"HS Mic", NULL, "b Mic Bias"},
8cda9751 JN	251	};
8cda9751 JN	252
441dc45a SR	253	static const char * const spk_function[] = {"Off", "On"};
	254	static const char * const input_function[] = {"ADC", "Digital Mic"};
	255	static const char * const jack_function[] = {
	256	"Off", "TV-OUT", "Headphone", "Headset"
	257	};
49100c98 JN	258
	259	static const struct soc_enum rx51_enum[] = {
	260	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
	261	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
4eb54703	262	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
49100c98 JN	263	};
	264
	265	static const struct snd_kcontrol_new aic34_rx51_controls[] = {
	266	SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
	267	rx51_get_spk, rx51_set_spk),
	268	SOC_ENUM_EXT("Input Select", rx51_enum[1],
	269	rx51_get_input, rx51_set_input),
4eb54703 JN	270	SOC_ENUM_EXT("Jack Function", rx51_enum[2],
4eb54703 JN	271	rx51_get_jack, rx51_set_jack),
9d7e584b	272	SOC_DAPM_PIN_SWITCH("FM Transmitter"),
8cda9751 JN	273	SOC_DAPM_PIN_SWITCH("Earphone"),
	274	};
	275
f0fba2ad	276	static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
49100c98	277	{
0596f700	278	struct snd_soc_card *card = rtd->card;
386e81ab	279	struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
49100c98 JN	280	int err;
49100c98 JN	281
26d9ca34	282	snd_soc_limit_volume(card, "TPA6130A2 Headphone Playback Volume", 42);
48529b3b	283
0a17a370	284	err = omap_mcbsp_st_add_controls(rtd, 2);
0265e1ae SR	285	if (err < 0) {
0265e1ae SR	286	dev_err(card->dev, "Failed to add MCBSP controls\n");
fa4d1f59	287	return err;
0265e1ae	288	}
fa4d1f59	289
8c523115	290	/* AV jack detection */
753d45e6 LPC	291	err = snd_soc_card_jack_new(rtd->card, "AV Jack",
	292	SND_JACK_HEADSET \| SND_JACK_VIDEOOUT,
	293	&rx51_av_jack, NULL, 0);
0265e1ae SR	294	if (err) {
0265e1ae SR	295	dev_err(card->dev, "Failed to add AV Jack\n");
8c523115	296	return err;
0265e1ae	297	}
386e81ab SR	298
	299	/* prepare gpio for snd_soc_jack_add_gpios */
	300	rx51_av_jack_gpios[0].gpio = desc_to_gpio(pdata->jack_detection_gpio);
	301	devm_gpiod_put(card->dev, pdata->jack_detection_gpio);
	302
8c523115 JN	303	err = snd_soc_jack_add_gpios(&rx51_av_jack,
	304	ARRAY_SIZE(rx51_av_jack_gpios),
	305	rx51_av_jack_gpios);
0265e1ae SR	306	if (err) {
	307	dev_err(card->dev, "Failed to add GPIOs\n");
	308	return err;
	309	}
8c523115 JN	310
8c523115 JN	311	return err;
49100c98 JN	312	}
49100c98 JN	313
16088cb6	314	static int rx51_card_remove(struct snd_soc_card *card)
e1d4d3c8 SW	315	{
	316	snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
	317	rx51_av_jack_gpios);
	318
	319	return 0;
	320	}
	321
49100c98 JN	322	/* Digital audio interface glue - connects codec <--> CPU */
	323	static struct snd_soc_dai_link rx51_dai[] = {
	324	{
	325	.name = "TLV320AIC34",
	326	.stream_name = "AIC34",
45656b44	327	.cpu_dai_name = "omap-mcbsp.2",
f0fba2ad	328	.codec_dai_name = "tlv320aic3x-hifi",
aac25145	329	.platform_name = "omap-mcbsp.2",
f0fba2ad	330	.codec_name = "tlv320aic3x-codec.2-0018",
cf9feff2 JN	331	.dai_fmt = SND_SOC_DAIFMT_DSP_A \| SND_SOC_DAIFMT_IB_NF \|
cf9feff2 JN	332	SND_SOC_DAIFMT_CBM_CFM,
49100c98 JN	333	.init = rx51_aic34_init,
	334	.ops = &rx51_ops,
	335	},
	336	};
	337
a0e17b4e	338	static struct snd_soc_aux_dev rx51_aux_dev[] = {
8cda9751 JN	339	{
	340	.name = "TLV320AIC34b",
	341	.codec_name = "tlv320aic3x-codec.2-0019",
8cda9751	342	},
cb7e6225 HK	343	{
	344	.name = "TPA61320A2",
	345	.codec_name = "tpa6130a2.2-0060",
	346	},
8cda9751 JN	347	};
	348
	349	static struct snd_soc_codec_conf rx51_codec_conf[] = {
	350	{
	351	.dev_name = "tlv320aic3x-codec.2-0019",
	352	.name_prefix = "b",
	353	},
cb7e6225 HK	354	{
	355	.dev_name = "tpa6130a2.2-0060",
	356	.name_prefix = "TPA6130A2",
	357	},
8cda9751 JN	358	};
8cda9751 JN	359
49100c98 JN	360	/* Audio card */
	361	static struct snd_soc_card rx51_sound_card = {
	362	.name = "RX-51",
b425b884	363	.owner = THIS_MODULE,
e1d4d3c8	364	.remove = rx51_card_remove,
49100c98 JN	365	.dai_link = rx51_dai,
49100c98 JN	366	.num_links = ARRAY_SIZE(rx51_dai),
8cda9751 JN	367	.aux_dev = rx51_aux_dev,
	368	.num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
	369	.codec_conf = rx51_codec_conf,
	370	.num_configs = ARRAY_SIZE(rx51_codec_conf),
6876c7c8	371	.fully_routed = true,
81fc5dd4 LPC	372
	373	.controls = aic34_rx51_controls,
	374	.num_controls = ARRAY_SIZE(aic34_rx51_controls),
	375	.dapm_widgets = aic34_dapm_widgets,
	376	.num_dapm_widgets = ARRAY_SIZE(aic34_dapm_widgets),
	377	.dapm_routes = audio_map,
	378	.num_dapm_routes = ARRAY_SIZE(audio_map),
49100c98 JN	379	};
49100c98 JN	380
a7d52028	381	static int rx51_soc_probe(struct platform_device *pdev)
49100c98	382	{
386e81ab	383	struct rx51_audio_pdata *pdata;
d052a3d6	384	struct device_node *np = pdev->dev.of_node;
a7d52028	385	struct snd_soc_card *card = &rx51_sound_card;
49100c98 JN	386	int err;
49100c98 JN	387
ea2409ba	388	if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
49100c98 JN	389	return -ENODEV;
49100c98 JN	390
a7d52028	391	card->dev = &pdev->dev;
49100c98	392
d052a3d6 SR	393	if (np) {
	394	struct device_node *dai_node;
	395
	396	dai_node = of_parse_phandle(np, "nokia,cpu-dai", 0);
	397	if (!dai_node) {
	398	dev_err(&pdev->dev, "McBSP node is not provided\n");
	399	return -EINVAL;
	400	}
	401	rx51_dai[0].cpu_dai_name = NULL;
	402	rx51_dai[0].platform_name = NULL;
	403	rx51_dai[0].cpu_of_node = dai_node;
	404	rx51_dai[0].platform_of_node = dai_node;
	405
	406	dai_node = of_parse_phandle(np, "nokia,audio-codec", 0);
	407	if (!dai_node) {
	408	dev_err(&pdev->dev, "Codec node is not provided\n");
	409	return -EINVAL;
	410	}
	411	rx51_dai[0].codec_name = NULL;
	412	rx51_dai[0].codec_of_node = dai_node;
	413
	414	dai_node = of_parse_phandle(np, "nokia,audio-codec", 1);
	415	if (!dai_node) {
	416	dev_err(&pdev->dev, "Auxiliary Codec node is not provided\n");
	417	return -EINVAL;
	418	}
	419	rx51_aux_dev[0].codec_name = NULL;
	420	rx51_aux_dev[0].codec_of_node = dai_node;
	421	rx51_codec_conf[0].dev_name = NULL;
	422	rx51_codec_conf[0].of_node = dai_node;
	423
	424	dai_node = of_parse_phandle(np, "nokia,headphone-amplifier", 0);
	425	if (!dai_node) {
	426	dev_err(&pdev->dev, "Headphone amplifier node is not provided\n");
	427	return -EINVAL;
	428	}
cb7e6225 HK	429	rx51_aux_dev[1].codec_name = NULL;
	430	rx51_aux_dev[1].codec_of_node = dai_node;
	431	rx51_codec_conf[1].dev_name = NULL;
	432	rx51_codec_conf[1].of_node = dai_node;
d052a3d6 SR	433	}
d052a3d6 SR	434
386e81ab SR	435	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
	436	if (pdata == NULL) {
	437	dev_err(card->dev, "failed to create private data\n");
	438	return -ENOMEM;
	439	}
	440	snd_soc_card_set_drvdata(card, pdata);
	441
	442	pdata->tvout_selection_gpio = devm_gpiod_get(card->dev,
0a8ba6ee UKK	443	"tvout-selection",
0a8ba6ee UKK	444	GPIOD_OUT_LOW);
386e81ab SR	445	if (IS_ERR(pdata->tvout_selection_gpio)) {
	446	dev_err(card->dev, "could not get tvout selection gpio\n");
	447	return PTR_ERR(pdata->tvout_selection_gpio);
	448	}
	449
386e81ab	450	pdata->jack_detection_gpio = devm_gpiod_get(card->dev,
0a8ba6ee UKK	451	"jack-detection",
0a8ba6ee UKK	452	GPIOD_ASIS);
386e81ab SR	453	if (IS_ERR(pdata->jack_detection_gpio)) {
	454	dev_err(card->dev, "could not get jack detection gpio\n");
	455	return PTR_ERR(pdata->jack_detection_gpio);
	456	}
	457
0a8ba6ee UKK	458	pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch",
0a8ba6ee UKK	459	GPIOD_OUT_HIGH);
386e81ab SR	460	if (IS_ERR(pdata->eci_sw_gpio)) {
	461	dev_err(card->dev, "could not get eci switch gpio\n");
	462	return PTR_ERR(pdata->eci_sw_gpio);
	463	}
	464
386e81ab	465	pdata->speaker_amp_gpio = devm_gpiod_get(card->dev,
0a8ba6ee UKK	466	"speaker-amplifier",
0a8ba6ee UKK	467	GPIOD_OUT_LOW);
386e81ab SR	468	if (IS_ERR(pdata->speaker_amp_gpio)) {
	469	dev_err(card->dev, "could not get speaker enable gpio\n");
	470	return PTR_ERR(pdata->speaker_amp_gpio);
	471	}
	472
a7d52028 SR	473	err = devm_snd_soc_register_card(card->dev, card);
	474	if (err) {
	475	dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err);
386e81ab	476	return err;
a7d52028	477	}
49100c98 JN	478
49100c98 JN	479	return 0;
49100c98 JN	480	}
49100c98 JN	481
d052a3d6 SR	482	#if defined(CONFIG_OF)
	483	static const struct of_device_id rx51_audio_of_match[] = {
	484	{ .compatible = "nokia,n900-audio", },
	485	{},
	486	};
	487	MODULE_DEVICE_TABLE(of, rx51_audio_of_match);
	488	#endif
	489
a7d52028 SR	490	static struct platform_driver rx51_soc_driver = {
	491	.driver = {
	492	.name = "rx51-audio",
d052a3d6	493	.of_match_table = of_match_ptr(rx51_audio_of_match),
a7d52028 SR	494	},
a7d52028 SR	495	.probe = rx51_soc_probe,
a7d52028 SR	496	};
	497
	498	module_platform_driver(rx51_soc_driver);
49100c98 JN	499
	500	MODULE_AUTHOR("Nokia Corporation");
	501	MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
	502	MODULE_LICENSE("GPL");
beab3da1	503	MODULE_ALIAS("platform:rx51-audio");