[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_minmax(runtime,
				     SNDRV_PCM_HW_PARAM_CHANNELS, 2, 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.integer.value[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.integer.value[0])
		return 0;

	rx51_spk_func = ucontrol->value.integer.value[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 = w->dapm->codec;

	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.integer.value[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.integer.value[0])
		return 0;

	rx51_dmic_func = ucontrol->value.integer.value[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.integer.value[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.integer.value[0])
		return 0;

	rx51_jack_func = ucontrol->value.integer.value[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"},
	{"Headphone Jack", NULL, "LLOUT"},
	{"Headphone Jack", NULL, "RLOUT"},
	{"FM Transmitter", NULL, "LLOUT"},
	{"FM Transmitter", NULL, "RLOUT"},

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

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

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

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 = codec->card;
	struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);

	struct snd_soc_dapm_context *dapm = &codec->dapm;
	int err;

	/* Set up NC codec pins */
	snd_soc_dapm_nc_pin(dapm, "MIC3L");
	snd_soc_dapm_nc_pin(dapm, "MIC3R");
	snd_soc_dapm_nc_pin(dapm, "LINE1R");

	err = tpa6130a2_add_controls(codec);
	if (err < 0) {
		dev_err(card->dev, "Failed to add TPA6130A2 controls\n");
		return err;
	}
	snd_soc_limit_volume(codec, "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_jack_new(codec, "AV Jack",
			       SND_JACK_HEADSET | SND_JACK_VIDEOOUT,
			       &rx51_av_jack);
	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;
}

/* 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,
	.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),

	.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");
	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);
	}

	err = gpiod_direction_output(pdata->tvout_selection_gpio, 0);
	if (err) {
		dev_err(card->dev, "could not setup tvout selection gpio\n");
		return err;
	}

	pdata->jack_detection_gpio = devm_gpiod_get(card->dev,
						    "jack-detection");
	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");
	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);
	}

	err = gpiod_direction_output(pdata->eci_sw_gpio, 1);
	if (err) {
		dev_err(card->dev, "could not setup eci switch gpio\n");
		return err;
	}

	pdata->speaker_amp_gpio = devm_gpiod_get(card->dev,
						 "speaker-amplifier");
	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 = gpiod_direction_output(pdata->speaker_amp_gpio, 0);
	if (err) {
		dev_err(card->dev, "could not setup speaker enable gpio\n");
		return err;
	}

	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;
}

static int rx51_soc_remove(struct platform_device *pdev)
{
	snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
				rx51_av_jack_gpios);

	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",
		.owner = THIS_MODULE,
		.of_match_table = of_match_ptr(rx51_audio_of_match),
	},
	.probe = rx51_soc_probe,
	.remove = rx51_soc_remove,
};

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 JN	109
	110	snd_pcm_hw_constraint_minmax(runtime,
	111	SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
022658be	112	rx51_ext_control(&card->dapm);
49100c98 JN	113
	114	return 0;
	115	}
	116
	117	static int rx51_hw_params(struct snd_pcm_substream *substream,
	118	struct snd_pcm_hw_params *params)
	119	{
	120	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	121	struct snd_soc_dai *codec_dai = rtd->codec_dai;
49100c98 JN	122
	123	/* Set the codec system clock for DAC and ADC */
	124	return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
	125	SND_SOC_CLOCK_IN);
	126	}
	127
	128	static struct snd_soc_ops rx51_ops = {
	129	.startup = rx51_startup,
	130	.hw_params = rx51_hw_params,
	131	};
	132
	133	static int rx51_get_spk(struct snd_kcontrol *kcontrol,
	134	struct snd_ctl_elem_value *ucontrol)
	135	{
	136	ucontrol->value.integer.value[0] = rx51_spk_func;
	137
	138	return 0;
	139	}
	140
	141	static int rx51_set_spk(struct snd_kcontrol *kcontrol,
	142	struct snd_ctl_elem_value *ucontrol)
	143	{
022658be	144	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
49100c98 JN	145
	146	if (rx51_spk_func == ucontrol->value.integer.value[0])
	147	return 0;
	148
	149	rx51_spk_func = ucontrol->value.integer.value[0];
022658be	150	rx51_ext_control(&card->dapm);
49100c98 JN	151
	152	return 1;
	153	}
	154
	155	static int rx51_spk_event(struct snd_soc_dapm_widget *w,
	156	struct snd_kcontrol *k, int event)
	157	{
386e81ab SR	158	struct snd_soc_dapm_context *dapm = w->dapm;
	159	struct snd_soc_card *card = dapm->card;
	160	struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
	161
	162	gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio,
	163	!!SND_SOC_DAPM_EVENT_ON(event));
49100c98 JN	164
	165	return 0;
	166	}
	167
48529b3b JN	168	static int rx51_hp_event(struct snd_soc_dapm_widget *w,
	169	struct snd_kcontrol *k, int event)
	170	{
	171	struct snd_soc_codec *codec = w->dapm->codec;
	172
	173	if (SND_SOC_DAPM_EVENT_ON(event))
	174	tpa6130a2_stereo_enable(codec, 1);
	175	else
	176	tpa6130a2_stereo_enable(codec, 0);
	177
	178	return 0;
	179	}
	180
49100c98 JN	181	static int rx51_get_input(struct snd_kcontrol *kcontrol,
	182	struct snd_ctl_elem_value *ucontrol)
	183	{
	184	ucontrol->value.integer.value[0] = rx51_dmic_func;
	185
	186	return 0;
	187	}
	188
	189	static int rx51_set_input(struct snd_kcontrol *kcontrol,
	190	struct snd_ctl_elem_value *ucontrol)
	191	{
022658be	192	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
49100c98 JN	193
	194	if (rx51_dmic_func == ucontrol->value.integer.value[0])
	195	return 0;
	196
	197	rx51_dmic_func = ucontrol->value.integer.value[0];
022658be	198	rx51_ext_control(&card->dapm);
49100c98 JN	199
	200	return 1;
	201	}
	202
4eb54703 JN	203	static int rx51_get_jack(struct snd_kcontrol *kcontrol,
	204	struct snd_ctl_elem_value *ucontrol)
	205	{
	206	ucontrol->value.integer.value[0] = rx51_jack_func;
	207
	208	return 0;
	209	}
	210
	211	static int rx51_set_jack(struct snd_kcontrol *kcontrol,
	212	struct snd_ctl_elem_value *ucontrol)
	213	{
022658be	214	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
4eb54703 JN	215
	216	if (rx51_jack_func == ucontrol->value.integer.value[0])
	217	return 0;
	218
	219	rx51_jack_func = ucontrol->value.integer.value[0];
022658be	220	rx51_ext_control(&card->dapm);
4eb54703 JN	221
	222	return 1;
	223	}
	224
8c523115 JN	225	static struct snd_soc_jack rx51_av_jack;
	226
	227	static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
	228	{
8c523115	229	.name = "avdet-gpio",
17840619	230	.report = SND_JACK_HEADSET,
8c523115 JN	231	.invert = 1,
	232	.debounce_time = 200,
	233	},
	234	};
	235
49100c98 JN	236	static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
	237	SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
	238	SND_SOC_DAPM_MIC("DMic", NULL),
48529b3b	239	SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event),
31164c7c	240	SND_SOC_DAPM_MIC("HS Mic", NULL),
9d7e584b	241	SND_SOC_DAPM_LINE("FM Transmitter", NULL),
8cda9751 JN	242	SND_SOC_DAPM_SPK("Earphone", NULL),
	243	};
	244
49100c98 JN	245	static const struct snd_soc_dapm_route audio_map[] = {
	246	{"Ext Spk", NULL, "HPLOUT"},
	247	{"Ext Spk", NULL, "HPROUT"},
48529b3b JN	248	{"Headphone Jack", NULL, "LLOUT"},
48529b3b JN	249	{"Headphone Jack", NULL, "RLOUT"},
9d7e584b JN	250	{"FM Transmitter", NULL, "LLOUT"},
9d7e584b JN	251	{"FM Transmitter", NULL, "RLOUT"},
49100c98	252
e2e8bfdf HG	253	{"DMic Rate 64", NULL, "Mic Bias"},
e2e8bfdf HG	254	{"Mic Bias", NULL, "DMic"},
49100c98	255
8cda9751 JN	256	{"b LINE2R", NULL, "MONO_LOUT"},
8cda9751 JN	257	{"Earphone", NULL, "b HPLOUT"},
31164c7c	258
e2e8bfdf HG	259	{"LINE1L", NULL, "b Mic Bias"},
e2e8bfdf HG	260	{"b Mic Bias", NULL, "HS Mic"}
8cda9751 JN	261	};
8cda9751 JN	262
441dc45a SR	263	static const char * const spk_function[] = {"Off", "On"};
	264	static const char * const input_function[] = {"ADC", "Digital Mic"};
	265	static const char * const jack_function[] = {
	266	"Off", "TV-OUT", "Headphone", "Headset"
	267	};
49100c98 JN	268
	269	static const struct soc_enum rx51_enum[] = {
	270	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
	271	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
4eb54703	272	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
49100c98 JN	273	};
	274
	275	static const struct snd_kcontrol_new aic34_rx51_controls[] = {
	276	SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
	277	rx51_get_spk, rx51_set_spk),
	278	SOC_ENUM_EXT("Input Select", rx51_enum[1],
	279	rx51_get_input, rx51_set_input),
4eb54703 JN	280	SOC_ENUM_EXT("Jack Function", rx51_enum[2],
4eb54703 JN	281	rx51_get_jack, rx51_set_jack),
9d7e584b	282	SOC_DAPM_PIN_SWITCH("FM Transmitter"),
8cda9751 JN	283	SOC_DAPM_PIN_SWITCH("Earphone"),
	284	};
	285
f0fba2ad	286	static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
49100c98	287	{
f0fba2ad	288	struct snd_soc_codec *codec = rtd->codec;
386e81ab SR	289	struct snd_soc_card *card = codec->card;
	290	struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
	291
ce6120cc	292	struct snd_soc_dapm_context *dapm = &codec->dapm;
49100c98 JN	293	int err;
	294
	295	/* Set up NC codec pins */
ce6120cc LG	296	snd_soc_dapm_nc_pin(dapm, "MIC3L");
	297	snd_soc_dapm_nc_pin(dapm, "MIC3R");
	298	snd_soc_dapm_nc_pin(dapm, "LINE1R");
49100c98	299
48529b3b	300	err = tpa6130a2_add_controls(codec);
0265e1ae SR	301	if (err < 0) {
0265e1ae SR	302	dev_err(card->dev, "Failed to add TPA6130A2 controls\n");
48529b3b	303	return err;
0265e1ae	304	}
48529b3b JN	305	snd_soc_limit_volume(codec, "TPA6130A2 Headphone Playback Volume", 42);
48529b3b JN	306
0a17a370	307	err = omap_mcbsp_st_add_controls(rtd, 2);
0265e1ae SR	308	if (err < 0) {
0265e1ae SR	309	dev_err(card->dev, "Failed to add MCBSP controls\n");
fa4d1f59	310	return err;
0265e1ae	311	}
fa4d1f59	312
8c523115	313	/* AV jack detection */
f0fba2ad	314	err = snd_soc_jack_new(codec, "AV Jack",
17840619 JN	315	SND_JACK_HEADSET \| SND_JACK_VIDEOOUT,
17840619 JN	316	&rx51_av_jack);
0265e1ae SR	317	if (err) {
0265e1ae SR	318	dev_err(card->dev, "Failed to add AV Jack\n");
8c523115	319	return err;
0265e1ae	320	}
386e81ab SR	321
	322	/* prepare gpio for snd_soc_jack_add_gpios */
	323	rx51_av_jack_gpios[0].gpio = desc_to_gpio(pdata->jack_detection_gpio);
	324	devm_gpiod_put(card->dev, pdata->jack_detection_gpio);
	325
8c523115 JN	326	err = snd_soc_jack_add_gpios(&rx51_av_jack,
	327	ARRAY_SIZE(rx51_av_jack_gpios),
	328	rx51_av_jack_gpios);
0265e1ae SR	329	if (err) {
	330	dev_err(card->dev, "Failed to add GPIOs\n");
	331	return err;
	332	}
8c523115 JN	333
8c523115 JN	334	return err;
49100c98 JN	335	}
	336
	337	/* Digital audio interface glue - connects codec <--> CPU */
	338	static struct snd_soc_dai_link rx51_dai[] = {
	339	{
	340	.name = "TLV320AIC34",
	341	.stream_name = "AIC34",
45656b44	342	.cpu_dai_name = "omap-mcbsp.2",
f0fba2ad	343	.codec_dai_name = "tlv320aic3x-hifi",
aac25145	344	.platform_name = "omap-mcbsp.2",
f0fba2ad	345	.codec_name = "tlv320aic3x-codec.2-0018",
cf9feff2 JN	346	.dai_fmt = SND_SOC_DAIFMT_DSP_A \| SND_SOC_DAIFMT_IB_NF \|
cf9feff2 JN	347	SND_SOC_DAIFMT_CBM_CFM,
49100c98 JN	348	.init = rx51_aic34_init,
	349	.ops = &rx51_ops,
	350	},
	351	};
	352
a0e17b4e	353	static struct snd_soc_aux_dev rx51_aux_dev[] = {
8cda9751 JN	354	{
	355	.name = "TLV320AIC34b",
	356	.codec_name = "tlv320aic3x-codec.2-0019",
8cda9751 JN	357	},
	358	};
	359
	360	static struct snd_soc_codec_conf rx51_codec_conf[] = {
	361	{
	362	.dev_name = "tlv320aic3x-codec.2-0019",
	363	.name_prefix = "b",
	364	},
	365	};
	366
49100c98 JN	367	/* Audio card */
	368	static struct snd_soc_card rx51_sound_card = {
	369	.name = "RX-51",
b425b884	370	.owner = THIS_MODULE,
49100c98 JN	371	.dai_link = rx51_dai,
49100c98 JN	372	.num_links = ARRAY_SIZE(rx51_dai),
8cda9751 JN	373	.aux_dev = rx51_aux_dev,
	374	.num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
	375	.codec_conf = rx51_codec_conf,
	376	.num_configs = ARRAY_SIZE(rx51_codec_conf),
81fc5dd4 LPC	377
	378	.controls = aic34_rx51_controls,
	379	.num_controls = ARRAY_SIZE(aic34_rx51_controls),
	380	.dapm_widgets = aic34_dapm_widgets,
	381	.num_dapm_widgets = ARRAY_SIZE(aic34_dapm_widgets),
	382	.dapm_routes = audio_map,
	383	.num_dapm_routes = ARRAY_SIZE(audio_map),
49100c98 JN	384	};
49100c98 JN	385
a7d52028	386	static int rx51_soc_probe(struct platform_device *pdev)
49100c98	387	{
386e81ab	388	struct rx51_audio_pdata *pdata;
d052a3d6	389	struct device_node *np = pdev->dev.of_node;
a7d52028	390	struct snd_soc_card *card = &rx51_sound_card;
49100c98 JN	391	int err;
49100c98 JN	392
ea2409ba	393	if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
49100c98 JN	394	return -ENODEV;
49100c98 JN	395
a7d52028	396	card->dev = &pdev->dev;
49100c98	397
d052a3d6 SR	398	if (np) {
	399	struct device_node *dai_node;
	400
	401	dai_node = of_parse_phandle(np, "nokia,cpu-dai", 0);
	402	if (!dai_node) {
	403	dev_err(&pdev->dev, "McBSP node is not provided\n");
	404	return -EINVAL;
	405	}
	406	rx51_dai[0].cpu_dai_name = NULL;
	407	rx51_dai[0].platform_name = NULL;
	408	rx51_dai[0].cpu_of_node = dai_node;
	409	rx51_dai[0].platform_of_node = dai_node;
	410
	411	dai_node = of_parse_phandle(np, "nokia,audio-codec", 0);
	412	if (!dai_node) {
	413	dev_err(&pdev->dev, "Codec node is not provided\n");
	414	return -EINVAL;
	415	}
	416	rx51_dai[0].codec_name = NULL;
	417	rx51_dai[0].codec_of_node = dai_node;
	418
	419	dai_node = of_parse_phandle(np, "nokia,audio-codec", 1);
	420	if (!dai_node) {
	421	dev_err(&pdev->dev, "Auxiliary Codec node is not provided\n");
	422	return -EINVAL;
	423	}
	424	rx51_aux_dev[0].codec_name = NULL;
	425	rx51_aux_dev[0].codec_of_node = dai_node;
	426	rx51_codec_conf[0].dev_name = NULL;
	427	rx51_codec_conf[0].of_node = dai_node;
	428
	429	dai_node = of_parse_phandle(np, "nokia,headphone-amplifier", 0);
	430	if (!dai_node) {
	431	dev_err(&pdev->dev, "Headphone amplifier node is not provided\n");
	432	return -EINVAL;
	433	}
	434
	435	/* TODO: tpa6130a2a driver supports only a single instance, so
	436	* this driver ignores the headphone-amplifier node for now.
	437	* It's already mandatory in the DT binding to be future proof.
	438	*/
	439	}
	440
386e81ab SR	441	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
	442	if (pdata == NULL) {
	443	dev_err(card->dev, "failed to create private data\n");
	444	return -ENOMEM;
	445	}
	446	snd_soc_card_set_drvdata(card, pdata);
	447
	448	pdata->tvout_selection_gpio = devm_gpiod_get(card->dev,
	449	"tvout-selection");
	450	if (IS_ERR(pdata->tvout_selection_gpio)) {
	451	dev_err(card->dev, "could not get tvout selection gpio\n");
	452	return PTR_ERR(pdata->tvout_selection_gpio);
	453	}
	454
	455	err = gpiod_direction_output(pdata->tvout_selection_gpio, 0);
	456	if (err) {
	457	dev_err(card->dev, "could not setup tvout selection gpio\n");
	458	return err;
	459	}
	460
	461	pdata->jack_detection_gpio = devm_gpiod_get(card->dev,
	462	"jack-detection");
	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
	468	pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch");
	469	if (IS_ERR(pdata->eci_sw_gpio)) {
	470	dev_err(card->dev, "could not get eci switch gpio\n");
	471	return PTR_ERR(pdata->eci_sw_gpio);
	472	}
	473
	474	err = gpiod_direction_output(pdata->eci_sw_gpio, 1);
	475	if (err) {
	476	dev_err(card->dev, "could not setup eci switch gpio\n");
	477	return err;
	478	}
	479
	480	pdata->speaker_amp_gpio = devm_gpiod_get(card->dev,
	481	"speaker-amplifier");
	482	if (IS_ERR(pdata->speaker_amp_gpio)) {
	483	dev_err(card->dev, "could not get speaker enable gpio\n");
	484	return PTR_ERR(pdata->speaker_amp_gpio);
	485	}
	486
	487	err = gpiod_direction_output(pdata->speaker_amp_gpio, 0);
	488	if (err) {
	489	dev_err(card->dev, "could not setup speaker enable gpio\n");
	490	return err;
	491	}
	492
a7d52028 SR	493	err = devm_snd_soc_register_card(card->dev, card);
	494	if (err) {
	495	dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err);
386e81ab	496	return err;
a7d52028	497	}
49100c98 JN	498
49100c98 JN	499	return 0;
49100c98 JN	500	}
49100c98 JN	501
a7d52028	502	static int rx51_soc_remove(struct platform_device *pdev)
49100c98	503	{
8c523115 JN	504	snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
	505	rx51_av_jack_gpios);
	506
a7d52028	507	return 0;
49100c98 JN	508	}
49100c98 JN	509
d052a3d6 SR	510	#if defined(CONFIG_OF)
	511	static const struct of_device_id rx51_audio_of_match[] = {
	512	{ .compatible = "nokia,n900-audio", },
	513	{},
	514	};
	515	MODULE_DEVICE_TABLE(of, rx51_audio_of_match);
	516	#endif
	517
a7d52028 SR	518	static struct platform_driver rx51_soc_driver = {
	519	.driver = {
	520	.name = "rx51-audio",
	521	.owner = THIS_MODULE,
d052a3d6	522	.of_match_table = of_match_ptr(rx51_audio_of_match),
a7d52028 SR	523	},
	524	.probe = rx51_soc_probe,
	525	.remove = rx51_soc_remove,
	526	};
	527
	528	module_platform_driver(rx51_soc_driver);
49100c98 JN	529
	530	MODULE_AUTHOR("Nokia Corporation");
	531	MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
	532	MODULE_LICENSE("GPL");
beab3da1	533	MODULE_ALIAS("platform:rx51-audio");