[deliverable/linux.git] / sound / soc / tegra / tegra_wm8903.c

/*
 * tegra_wm8903.c - Tegra machine ASoC driver for boards using WM8903 codec.
 *
 * Author: Stephen Warren <swarren@nvidia.com>
 * Copyright (C) 2010-2011 - NVIDIA, Inc.
 *
 * Based on code copyright/by:
 *
 * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd.
 *
 * Copyright 2007 Wolfson Microelectronics PLC.
 * Author: Graeme Gregory
 *         graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.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 <asm/mach-types.h>

#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/gpio.h>

#include <mach/tegra_wm8903_pdata.h>

#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>

#include "../codecs/wm8903.h"

#include "tegra_das.h"
#include "tegra_i2s.h"
#include "tegra_pcm.h"
#include "tegra_asoc_utils.h"

#define DRV_NAME "tegra-snd-wm8903"

#define GPIO_SPKR_EN    BIT(0)
#define GPIO_HP_MUTE    BIT(1)
#define GPIO_INT_MIC_EN BIT(2)
#define GPIO_EXT_MIC_EN BIT(3)
#define GPIO_HP_DET     BIT(4)

struct tegra_wm8903 {
	struct tegra_asoc_utils_data util_data;
	struct tegra_wm8903_platform_data *pdata;
	int gpio_requested;
};

static int tegra_wm8903_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;
	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_card *card = codec->card;
	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
	int srate, mclk;
	int err;

	srate = params_rate(params);
	switch (srate) {
	case 64000:
	case 88200:
	case 96000:
		mclk = 128 * srate;
		break;
	default:
		mclk = 256 * srate;
		break;
	}
	/* FIXME: Codec only requires >= 3MHz if OSR==0 */
	while (mclk < 6000000)
		mclk *= 2;

	err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk);
	if (err < 0) {
		dev_err(card->dev, "Can't configure clocks\n");
		return err;
	}

	err = snd_soc_dai_set_fmt(codec_dai,
					SND_SOC_DAIFMT_I2S |
					SND_SOC_DAIFMT_NB_NF |
					SND_SOC_DAIFMT_CBS_CFS);
	if (err < 0) {
		dev_err(card->dev, "codec_dai fmt not set\n");
		return err;
	}

	err = snd_soc_dai_set_fmt(cpu_dai,
					SND_SOC_DAIFMT_I2S |
					SND_SOC_DAIFMT_NB_NF |
					SND_SOC_DAIFMT_CBS_CFS);
	if (err < 0) {
		dev_err(card->dev, "cpu_dai fmt not set\n");
		return err;
	}

	err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
					SND_SOC_CLOCK_IN);
	if (err < 0) {
		dev_err(card->dev, "codec_dai clock not set\n");
		return err;
	}

	return 0;
}

static struct snd_soc_ops tegra_wm8903_ops = {
	.hw_params = tegra_wm8903_hw_params,
};

static struct snd_soc_jack tegra_wm8903_hp_jack;

static struct snd_soc_jack_pin tegra_wm8903_hp_jack_pins[] = {
	{
		.pin = "Headphone Jack",
		.mask = SND_JACK_HEADPHONE,
	},
};

static struct snd_soc_jack_gpio tegra_wm8903_hp_jack_gpio = {
	.name = "headphone detect",
	.report = SND_JACK_HEADPHONE,
	.debounce_time = 150,
	.invert = 1,
};

static struct snd_soc_jack tegra_wm8903_mic_jack;

static struct snd_soc_jack_pin tegra_wm8903_mic_jack_pins[] = {
	{
		.pin = "Mic Jack",
		.mask = SND_JACK_MICROPHONE,
	},
};

static int tegra_wm8903_event_int_spk(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 tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
	struct tegra_wm8903_platform_data *pdata = machine->pdata;

	if (!(machine->gpio_requested & GPIO_SPKR_EN))
		return 0;

	gpio_set_value_cansleep(pdata->gpio_spkr_en,
				SND_SOC_DAPM_EVENT_ON(event));

	return 0;
}

static int tegra_wm8903_event_hp(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 tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
	struct tegra_wm8903_platform_data *pdata = machine->pdata;

	if (!(machine->gpio_requested & GPIO_HP_MUTE))
		return 0;

	gpio_set_value_cansleep(pdata->gpio_hp_mute,
				!SND_SOC_DAPM_EVENT_ON(event));

	return 0;
}

static const struct snd_soc_dapm_widget tegra_wm8903_dapm_widgets[] = {
	SND_SOC_DAPM_SPK("Int Spk", tegra_wm8903_event_int_spk),
	SND_SOC_DAPM_HP("Headphone Jack", tegra_wm8903_event_hp),
	SND_SOC_DAPM_MIC("Mic Jack", NULL),
};

static const struct snd_soc_dapm_route harmony_audio_map[] = {
	{"Headphone Jack", NULL, "HPOUTR"},
	{"Headphone Jack", NULL, "HPOUTL"},
	{"Int Spk", NULL, "ROP"},
	{"Int Spk", NULL, "RON"},
	{"Int Spk", NULL, "LOP"},
	{"Int Spk", NULL, "LON"},
	{"Mic Bias", NULL, "Mic Jack"},
	{"IN1L", NULL, "Mic Bias"},
};

static const struct snd_soc_dapm_route seaboard_audio_map[] = {
	{"Headphone Jack", NULL, "HPOUTR"},
	{"Headphone Jack", NULL, "HPOUTL"},
	{"Int Spk", NULL, "ROP"},
	{"Int Spk", NULL, "RON"},
	{"Int Spk", NULL, "LOP"},
	{"Int Spk", NULL, "LON"},
	{"Mic Bias", NULL, "Mic Jack"},
	{"IN1R", NULL, "Mic Bias"},
};

static const struct snd_soc_dapm_route kaen_audio_map[] = {
	{"Headphone Jack", NULL, "HPOUTR"},
	{"Headphone Jack", NULL, "HPOUTL"},
	{"Int Spk", NULL, "ROP"},
	{"Int Spk", NULL, "RON"},
	{"Int Spk", NULL, "LOP"},
	{"Int Spk", NULL, "LON"},
	{"Mic Bias", NULL, "Mic Jack"},
	{"IN2R", NULL, "Mic Bias"},
};

static const struct snd_soc_dapm_route aebl_audio_map[] = {
	{"Headphone Jack", NULL, "HPOUTR"},
	{"Headphone Jack", NULL, "HPOUTL"},
	{"Int Spk", NULL, "LINEOUTR"},
	{"Int Spk", NULL, "LINEOUTL"},
	{"Mic Bias", NULL, "Mic Jack"},
	{"IN1R", NULL, "Mic Bias"},
};

static const struct snd_kcontrol_new tegra_wm8903_controls[] = {
	SOC_DAPM_PIN_SWITCH("Int Spk"),
};

static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	struct snd_soc_card *card = codec->card;
	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
	struct tegra_wm8903_platform_data *pdata = machine->pdata;
	int ret;

	if (gpio_is_valid(pdata->gpio_spkr_en)) {
		ret = gpio_request(pdata->gpio_spkr_en, "spkr_en");
		if (ret) {
			dev_err(card->dev, "cannot get spkr_en gpio\n");
			return ret;
		}
		machine->gpio_requested |= GPIO_SPKR_EN;

		gpio_direction_output(pdata->gpio_spkr_en, 0);
	}

	if (gpio_is_valid(pdata->gpio_hp_mute)) {
		ret = gpio_request(pdata->gpio_hp_mute, "hp_mute");
		if (ret) {
			dev_err(card->dev, "cannot get hp_mute gpio\n");
			return ret;
		}
		machine->gpio_requested |= GPIO_HP_MUTE;

		gpio_direction_output(pdata->gpio_hp_mute, 1);
	}

	if (gpio_is_valid(pdata->gpio_int_mic_en)) {
		ret = gpio_request(pdata->gpio_int_mic_en, "int_mic_en");
		if (ret) {
			dev_err(card->dev, "cannot get int_mic_en gpio\n");
			return ret;
		}
		machine->gpio_requested |= GPIO_INT_MIC_EN;

		/* Disable int mic; enable signal is active-high */
		gpio_direction_output(pdata->gpio_int_mic_en, 0);
	}

	if (gpio_is_valid(pdata->gpio_ext_mic_en)) {
		ret = gpio_request(pdata->gpio_ext_mic_en, "ext_mic_en");
		if (ret) {
			dev_err(card->dev, "cannot get ext_mic_en gpio\n");
			return ret;
		}
		machine->gpio_requested |= GPIO_EXT_MIC_EN;

		/* Enable ext mic; enable signal is active-low */
		gpio_direction_output(pdata->gpio_ext_mic_en, 0);
	}

	if (gpio_is_valid(pdata->gpio_hp_det)) {
		tegra_wm8903_hp_jack_gpio.gpio = pdata->gpio_hp_det;
		snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE,
				&tegra_wm8903_hp_jack);
		snd_soc_jack_add_pins(&tegra_wm8903_hp_jack,
					ARRAY_SIZE(tegra_wm8903_hp_jack_pins),
					tegra_wm8903_hp_jack_pins);
		snd_soc_jack_add_gpios(&tegra_wm8903_hp_jack,
					1,
					&tegra_wm8903_hp_jack_gpio);
		machine->gpio_requested |= GPIO_HP_DET;
	}

	snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE,
			 &tegra_wm8903_mic_jack);
	snd_soc_jack_add_pins(&tegra_wm8903_mic_jack,
			      ARRAY_SIZE(tegra_wm8903_mic_jack_pins),
			      tegra_wm8903_mic_jack_pins);
	wm8903_mic_detect(codec, &tegra_wm8903_mic_jack, SND_JACK_MICROPHONE,
				0);

	snd_soc_dapm_force_enable_pin(dapm, "Mic Bias");

	/* FIXME: Calculate automatically based on DAPM routes? */
	if (!machine_is_harmony())
		snd_soc_dapm_nc_pin(dapm, "IN1L");
	if (!machine_is_seaboard() && !machine_is_aebl())
		snd_soc_dapm_nc_pin(dapm, "IN1R");
	snd_soc_dapm_nc_pin(dapm, "IN2L");
	if (!machine_is_kaen())
		snd_soc_dapm_nc_pin(dapm, "IN2R");
	snd_soc_dapm_nc_pin(dapm, "IN3L");
	snd_soc_dapm_nc_pin(dapm, "IN3R");

	if (machine_is_aebl()) {
		snd_soc_dapm_nc_pin(dapm, "LON");
		snd_soc_dapm_nc_pin(dapm, "RON");
		snd_soc_dapm_nc_pin(dapm, "ROP");
		snd_soc_dapm_nc_pin(dapm, "LOP");
	} else {
		snd_soc_dapm_nc_pin(dapm, "LINEOUTR");
		snd_soc_dapm_nc_pin(dapm, "LINEOUTL");
	}

	return 0;
}

static struct snd_soc_dai_link tegra_wm8903_dai = {
	.name = "WM8903",
	.stream_name = "WM8903 PCM",
	.codec_name = "wm8903.0-001a",
	.platform_name = "tegra-pcm-audio",
	.cpu_dai_name = "tegra-i2s.0",
	.codec_dai_name = "wm8903-hifi",
	.init = tegra_wm8903_init,
	.ops = &tegra_wm8903_ops,
};

static struct snd_soc_card snd_soc_tegra_wm8903 = {
	.name = "tegra-wm8903",
	.dai_link = &tegra_wm8903_dai,
	.num_links = 1,

	.controls = tegra_wm8903_controls,
	.num_controls = ARRAY_SIZE(tegra_wm8903_controls),
	.dapm_widgets = tegra_wm8903_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(tegra_wm8903_dapm_widgets),
};

static __devinit int tegra_wm8903_driver_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &snd_soc_tegra_wm8903;
	struct tegra_wm8903 *machine;
	struct tegra_wm8903_platform_data *pdata;
	int ret;

	pdata = pdev->dev.platform_data;
	if (!pdata) {
		dev_err(&pdev->dev, "No platform data supplied\n");
		return -EINVAL;
	}

	machine = kzalloc(sizeof(struct tegra_wm8903), GFP_KERNEL);
	if (!machine) {
		dev_err(&pdev->dev, "Can't allocate tegra_wm8903 struct\n");
		return -ENOMEM;
	}

	machine->pdata = pdata;

	ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
	if (ret)
		goto err_free_machine;

	card->dev = &pdev->dev;
	platform_set_drvdata(pdev, card);
	snd_soc_card_set_drvdata(card, machine);

	if (machine_is_harmony()) {
		card->dapm_routes = harmony_audio_map;
		card->num_dapm_routes = ARRAY_SIZE(harmony_audio_map);
	} else if (machine_is_seaboard()) {
		card->dapm_routes = seaboard_audio_map;
		card->num_dapm_routes = ARRAY_SIZE(seaboard_audio_map);
	} else if (machine_is_kaen()) {
		card->dapm_routes = kaen_audio_map;
		card->num_dapm_routes = ARRAY_SIZE(kaen_audio_map);
	} else {
		card->dapm_routes = aebl_audio_map;
		card->num_dapm_routes = ARRAY_SIZE(aebl_audio_map);
	}

	ret = snd_soc_register_card(card);
	if (ret) {
		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
			ret);
		goto err_fini_utils;
	}

	return 0;

err_fini_utils:
	tegra_asoc_utils_fini(&machine->util_data);
err_free_machine:
	kfree(machine);
	return ret;
}

static int __devexit tegra_wm8903_driver_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);
	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
	struct tegra_wm8903_platform_data *pdata = machine->pdata;

	if (machine->gpio_requested & GPIO_HP_DET)
		snd_soc_jack_free_gpios(&tegra_wm8903_hp_jack,
					1,
					&tegra_wm8903_hp_jack_gpio);
	if (machine->gpio_requested & GPIO_EXT_MIC_EN)
		gpio_free(pdata->gpio_ext_mic_en);
	if (machine->gpio_requested & GPIO_INT_MIC_EN)
		gpio_free(pdata->gpio_int_mic_en);
	if (machine->gpio_requested & GPIO_HP_MUTE)
		gpio_free(pdata->gpio_hp_mute);
	if (machine->gpio_requested & GPIO_SPKR_EN)
		gpio_free(pdata->gpio_spkr_en);
	machine->gpio_requested = 0;

	snd_soc_unregister_card(card);

	tegra_asoc_utils_fini(&machine->util_data);

	kfree(machine);

	return 0;
}

static struct platform_driver tegra_wm8903_driver = {
	.driver = {
		.name = DRV_NAME,
		.owner = THIS_MODULE,
		.pm = &snd_soc_pm_ops,
	},
	.probe = tegra_wm8903_driver_probe,
	.remove = __devexit_p(tegra_wm8903_driver_remove),
};

static int __init tegra_wm8903_modinit(void)
{
	return platform_driver_register(&tegra_wm8903_driver);
}
module_init(tegra_wm8903_modinit);

static void __exit tegra_wm8903_modexit(void)
{
	platform_driver_unregister(&tegra_wm8903_driver);
}
module_exit(tegra_wm8903_modexit);

MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
MODULE_DESCRIPTION("Tegra+WM8903 machine ASoC driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:" DRV_NAME);
Commit	Line	Data
a8bf1ba1	1	/*
dc0a50af	2	* tegra_wm8903.c - Tegra machine ASoC driver for boards using WM8903 codec.
a8bf1ba1 SW	3	*
a8bf1ba1 SW	4	* Author: Stephen Warren <swarren@nvidia.com>
72de2b1a	5	* Copyright (C) 2010-2011 - NVIDIA, Inc.
a8bf1ba1 SW	6	*
	7	* Based on code copyright/by:
	8	*
	9	* (c) 2009, 2010 Nvidia Graphics Pvt. Ltd.
	10	*
	11	* Copyright 2007 Wolfson Microelectronics PLC.
	12	* Author: Graeme Gregory
	13	* graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
	14	*
	15	* This program is free software; you can redistribute it and/or
	16	* modify it under the terms of the GNU General Public License
	17	* version 2 as published by the Free Software Foundation.
	18	*
	19	* This program is distributed in the hope that it will be useful, but
	20	* WITHOUT ANY WARRANTY; without even the implied warranty of
	21	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	22	* General Public License for more details.
	23	*
	24	* You should have received a copy of the GNU General Public License
	25	* along with this program; if not, write to the Free Software
	26	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	27	* 02110-1301 USA
	28	*
	29	*/
	30
	31	#include <asm/mach-types.h>
72de2b1a	32
a8bf1ba1	33	#include <linux/module.h>
72de2b1a SW	34	#include <linux/platform_device.h>
72de2b1a SW	35	#include <linux/slab.h>
6e267645 SW	36	#include <linux/gpio.h>
6e267645 SW	37
4651d556	38	#include <mach/tegra_wm8903_pdata.h>
72de2b1a	39
a8bf1ba1	40	#include <sound/core.h>
f7d3e403	41	#include <sound/jack.h>
a8bf1ba1 SW	42	#include <sound/pcm.h>
	43	#include <sound/pcm_params.h>
	44	#include <sound/soc.h>
	45
41b5f9b3 SW	46	#include "../codecs/wm8903.h"
41b5f9b3 SW	47
a8bf1ba1 SW	48	#include "tegra_das.h"
	49	#include "tegra_i2s.h"
	50	#include "tegra_pcm.h"
	51	#include "tegra_asoc_utils.h"
	52
7b33af25	53	#define DRV_NAME "tegra-snd-wm8903"
a8bf1ba1	54
bf1b1328	55	#define GPIO_SPKR_EN BIT(0)
773b1d3d SW	56	#define GPIO_HP_MUTE BIT(1)
	57	#define GPIO_INT_MIC_EN BIT(2)
	58	#define GPIO_EXT_MIC_EN BIT(3)
29591ed4	59	#define GPIO_HP_DET BIT(4)
bf1b1328	60
dc0a50af	61	struct tegra_wm8903 {
d64e57ce	62	struct tegra_asoc_utils_data util_data;
4651d556	63	struct tegra_wm8903_platform_data *pdata;
bf1b1328	64	int gpio_requested;
72de2b1a	65	};
a8bf1ba1	66
dc0a50af	67	static int tegra_wm8903_hw_params(struct snd_pcm_substream *substream,
a8bf1ba1 SW	68	struct snd_pcm_hw_params *params)
	69	{
	70	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	71	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	72	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
c244d477 SW	73	struct snd_soc_codec *codec = rtd->codec;
c244d477 SW	74	struct snd_soc_card *card = codec->card;
dc0a50af	75	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
07541396	76	int srate, mclk;
a8bf1ba1 SW	77	int err;
	78
	79	srate = params_rate(params);
	80	switch (srate) {
	81	case 64000:
	82	case 88200:
	83	case 96000:
	84	mclk = 128 * srate;
	85	break;
	86	default:
	87	mclk = 256 * srate;
	88	break;
	89	}
	90	/* FIXME: Codec only requires >= 3MHz if OSR==0 */
	91	while (mclk < 6000000)
	92	mclk *= 2;
	93
07541396	94	err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk);
a8bf1ba1	95	if (err < 0) {
c244d477	96	dev_err(card->dev, "Can't configure clocks\n");
a8bf1ba1 SW	97	return err;
	98	}
	99
	100	err = snd_soc_dai_set_fmt(codec_dai,
	101	SND_SOC_DAIFMT_I2S \|
	102	SND_SOC_DAIFMT_NB_NF \|
	103	SND_SOC_DAIFMT_CBS_CFS);
	104	if (err < 0) {
c244d477	105	dev_err(card->dev, "codec_dai fmt not set\n");
a8bf1ba1 SW	106	return err;
	107	}
	108
	109	err = snd_soc_dai_set_fmt(cpu_dai,
	110	SND_SOC_DAIFMT_I2S \|
	111	SND_SOC_DAIFMT_NB_NF \|
	112	SND_SOC_DAIFMT_CBS_CFS);
	113	if (err < 0) {
c244d477	114	dev_err(card->dev, "cpu_dai fmt not set\n");
a8bf1ba1 SW	115	return err;
	116	}
	117
07541396 SW	118	err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
	119	SND_SOC_CLOCK_IN);
	120	if (err < 0) {
	121	dev_err(card->dev, "codec_dai clock not set\n");
	122	return err;
a8bf1ba1 SW	123	}
	124
	125	return 0;
	126	}
	127
dc0a50af SW	128	static struct snd_soc_ops tegra_wm8903_ops = {
dc0a50af SW	129	.hw_params = tegra_wm8903_hw_params,
a8bf1ba1 SW	130	};
a8bf1ba1 SW	131
dc0a50af	132	static struct snd_soc_jack tegra_wm8903_hp_jack;
f7d3e403	133
dc0a50af	134	static struct snd_soc_jack_pin tegra_wm8903_hp_jack_pins[] = {
f7d3e403 SW	135	{
	136	.pin = "Headphone Jack",
	137	.mask = SND_JACK_HEADPHONE,
	138	},
	139	};
	140
3eb25f99 SW	141	static struct snd_soc_jack_gpio tegra_wm8903_hp_jack_gpio = {
	142	.name = "headphone detect",
	143	.report = SND_JACK_HEADPHONE,
	144	.debounce_time = 150,
	145	.invert = 1,
f7d3e403 SW	146	};
f7d3e403 SW	147
dc0a50af	148	static struct snd_soc_jack tegra_wm8903_mic_jack;
41b5f9b3	149
dc0a50af	150	static struct snd_soc_jack_pin tegra_wm8903_mic_jack_pins[] = {
41b5f9b3 SW	151	{
	152	.pin = "Mic Jack",
	153	.mask = SND_JACK_MICROPHONE,
	154	},
	155	};
	156
dc0a50af	157	static int tegra_wm8903_event_int_spk(struct snd_soc_dapm_widget *w,
6e267645 SW	158	struct snd_kcontrol *k, int event)
6e267645 SW	159	{
a32955db SW	160	struct snd_soc_dapm_context *dapm = w->dapm;
a32955db SW	161	struct snd_soc_card *card = dapm->card;
dc0a50af SW	162	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
dc0a50af SW	163	struct tegra_wm8903_platform_data *pdata = machine->pdata;
6e267645	164
773b1d3d SW	165	if (!(machine->gpio_requested & GPIO_SPKR_EN))
	166	return 0;
	167
6e267645	168	gpio_set_value_cansleep(pdata->gpio_spkr_en,
f9eabc3d	169	SND_SOC_DAPM_EVENT_ON(event));
6e267645 SW	170
	171	return 0;
	172	}
	173
773b1d3d SW	174	static int tegra_wm8903_event_hp(struct snd_soc_dapm_widget *w,
	175	struct snd_kcontrol *k, int event)
	176	{
a32955db SW	177	struct snd_soc_dapm_context *dapm = w->dapm;
a32955db SW	178	struct snd_soc_card *card = dapm->card;
773b1d3d SW	179	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
	180	struct tegra_wm8903_platform_data *pdata = machine->pdata;
	181
	182	if (!(machine->gpio_requested & GPIO_HP_MUTE))
	183	return 0;
	184
	185	gpio_set_value_cansleep(pdata->gpio_hp_mute,
	186	!SND_SOC_DAPM_EVENT_ON(event));
	187
	188	return 0;
	189	}
	190
dc0a50af SW	191	static const struct snd_soc_dapm_widget tegra_wm8903_dapm_widgets[] = {
dc0a50af SW	192	SND_SOC_DAPM_SPK("Int Spk", tegra_wm8903_event_int_spk),
773b1d3d	193	SND_SOC_DAPM_HP("Headphone Jack", tegra_wm8903_event_hp),
62ffac4d SW	194	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	195	};
	196
	197	static const struct snd_soc_dapm_route harmony_audio_map[] = {
	198	{"Headphone Jack", NULL, "HPOUTR"},
	199	{"Headphone Jack", NULL, "HPOUTL"},
6e267645 SW	200	{"Int Spk", NULL, "ROP"},
	201	{"Int Spk", NULL, "RON"},
	202	{"Int Spk", NULL, "LOP"},
	203	{"Int Spk", NULL, "LON"},
62ffac4d SW	204	{"Mic Bias", NULL, "Mic Jack"},
	205	{"IN1L", NULL, "Mic Bias"},
	206	};
	207
773b1d3d SW	208	static const struct snd_soc_dapm_route seaboard_audio_map[] = {
	209	{"Headphone Jack", NULL, "HPOUTR"},
	210	{"Headphone Jack", NULL, "HPOUTL"},
	211	{"Int Spk", NULL, "ROP"},
	212	{"Int Spk", NULL, "RON"},
	213	{"Int Spk", NULL, "LOP"},
	214	{"Int Spk", NULL, "LON"},
	215	{"Mic Bias", NULL, "Mic Jack"},
	216	{"IN1R", NULL, "Mic Bias"},
	217	};
	218
	219	static const struct snd_soc_dapm_route kaen_audio_map[] = {
	220	{"Headphone Jack", NULL, "HPOUTR"},
	221	{"Headphone Jack", NULL, "HPOUTL"},
	222	{"Int Spk", NULL, "ROP"},
	223	{"Int Spk", NULL, "RON"},
	224	{"Int Spk", NULL, "LOP"},
	225	{"Int Spk", NULL, "LON"},
	226	{"Mic Bias", NULL, "Mic Jack"},
	227	{"IN2R", NULL, "Mic Bias"},
	228	};
	229
	230	static const struct snd_soc_dapm_route aebl_audio_map[] = {
	231	{"Headphone Jack", NULL, "HPOUTR"},
	232	{"Headphone Jack", NULL, "HPOUTL"},
	233	{"Int Spk", NULL, "LINEOUTR"},
	234	{"Int Spk", NULL, "LINEOUTL"},
	235	{"Mic Bias", NULL, "Mic Jack"},
	236	{"IN1R", NULL, "Mic Bias"},
	237	};
	238
dc0a50af	239	static const struct snd_kcontrol_new tegra_wm8903_controls[] = {
3d8bc390 SW	240	SOC_DAPM_PIN_SWITCH("Int Spk"),
	241	};
	242
dc0a50af	243	static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
62ffac4d SW	244	{
	245	struct snd_soc_codec *codec = rtd->codec;
	246	struct snd_soc_dapm_context *dapm = &codec->dapm;
6e267645	247	struct snd_soc_card *card = codec->card;
dc0a50af SW	248	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
dc0a50af SW	249	struct tegra_wm8903_platform_data *pdata = machine->pdata;
6e267645 SW	250	int ret;
6e267645 SW	251
773b1d3d SW	252	if (gpio_is_valid(pdata->gpio_spkr_en)) {
	253	ret = gpio_request(pdata->gpio_spkr_en, "spkr_en");
	254	if (ret) {
	255	dev_err(card->dev, "cannot get spkr_en gpio\n");
	256	return ret;
	257	}
	258	machine->gpio_requested \|= GPIO_SPKR_EN;
	259
	260	gpio_direction_output(pdata->gpio_spkr_en, 0);
6e267645	261	}
6e267645	262
773b1d3d SW	263	if (gpio_is_valid(pdata->gpio_hp_mute)) {
	264	ret = gpio_request(pdata->gpio_hp_mute, "hp_mute");
	265	if (ret) {
	266	dev_err(card->dev, "cannot get hp_mute gpio\n");
	267	return ret;
	268	}
	269	machine->gpio_requested \|= GPIO_HP_MUTE;
62ffac4d	270
a5fe6be4	271	gpio_direction_output(pdata->gpio_hp_mute, 1);
bf1b1328	272	}
bf1b1328	273
773b1d3d SW	274	if (gpio_is_valid(pdata->gpio_int_mic_en)) {
	275	ret = gpio_request(pdata->gpio_int_mic_en, "int_mic_en");
	276	if (ret) {
	277	dev_err(card->dev, "cannot get int_mic_en gpio\n");
	278	return ret;
	279	}
	280	machine->gpio_requested \|= GPIO_INT_MIC_EN;
bf1b1328	281
773b1d3d SW	282	/* Disable int mic; enable signal is active-high */
773b1d3d SW	283	gpio_direction_output(pdata->gpio_int_mic_en, 0);
bf1b1328	284	}
bf1b1328	285
773b1d3d SW	286	if (gpio_is_valid(pdata->gpio_ext_mic_en)) {
	287	ret = gpio_request(pdata->gpio_ext_mic_en, "ext_mic_en");
	288	if (ret) {
	289	dev_err(card->dev, "cannot get ext_mic_en gpio\n");
	290	return ret;
	291	}
	292	machine->gpio_requested \|= GPIO_EXT_MIC_EN;
	293
	294	/* Enable ext mic; enable signal is active-low */
	295	gpio_direction_output(pdata->gpio_ext_mic_en, 0);
	296	}
bf1b1328	297
773b1d3d SW	298	if (gpio_is_valid(pdata->gpio_hp_det)) {
	299	tegra_wm8903_hp_jack_gpio.gpio = pdata->gpio_hp_det;
	300	snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE,
	301	&tegra_wm8903_hp_jack);
	302	snd_soc_jack_add_pins(&tegra_wm8903_hp_jack,
	303	ARRAY_SIZE(tegra_wm8903_hp_jack_pins),
	304	tegra_wm8903_hp_jack_pins);
	305	snd_soc_jack_add_gpios(&tegra_wm8903_hp_jack,
	306	1,
	307	&tegra_wm8903_hp_jack_gpio);
29591ed4	308	machine->gpio_requested \|= GPIO_HP_DET;
773b1d3d	309	}
f7d3e403	310
41b5f9b3	311	snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE,
dc0a50af SW	312	&tegra_wm8903_mic_jack);
	313	snd_soc_jack_add_pins(&tegra_wm8903_mic_jack,
	314	ARRAY_SIZE(tegra_wm8903_mic_jack_pins),
	315	tegra_wm8903_mic_jack_pins);
	316	wm8903_mic_detect(codec, &tegra_wm8903_mic_jack, SND_JACK_MICROPHONE,
	317	0);
41b5f9b3 SW	318
	319	snd_soc_dapm_force_enable_pin(dapm, "Mic Bias");
	320
773b1d3d	321	/* FIXME: Calculate automatically based on DAPM routes? */
ee1a4d4b	322	if (!machine_is_harmony())
773b1d3d SW	323	snd_soc_dapm_nc_pin(dapm, "IN1L");
	324	if (!machine_is_seaboard() && !machine_is_aebl())
	325	snd_soc_dapm_nc_pin(dapm, "IN1R");
	326	snd_soc_dapm_nc_pin(dapm, "IN2L");
	327	if (!machine_is_kaen())
	328	snd_soc_dapm_nc_pin(dapm, "IN2R");
0d6cdca7 SW	329	snd_soc_dapm_nc_pin(dapm, "IN3L");
0d6cdca7 SW	330	snd_soc_dapm_nc_pin(dapm, "IN3R");
773b1d3d SW	331
	332	if (machine_is_aebl()) {
	333	snd_soc_dapm_nc_pin(dapm, "LON");
	334	snd_soc_dapm_nc_pin(dapm, "RON");
	335	snd_soc_dapm_nc_pin(dapm, "ROP");
	336	snd_soc_dapm_nc_pin(dapm, "LOP");
	337	} else {
	338	snd_soc_dapm_nc_pin(dapm, "LINEOUTR");
	339	snd_soc_dapm_nc_pin(dapm, "LINEOUTL");
	340	}
0d6cdca7	341
62ffac4d SW	342	return 0;
	343	}
	344
dc0a50af	345	static struct snd_soc_dai_link tegra_wm8903_dai = {
a8bf1ba1 SW	346	.name = "WM8903",
a8bf1ba1 SW	347	.stream_name = "WM8903 PCM",
4b592c91	348	.codec_name = "wm8903.0-001a",
a8bf1ba1 SW	349	.platform_name = "tegra-pcm-audio",
	350	.cpu_dai_name = "tegra-i2s.0",
	351	.codec_dai_name = "wm8903-hifi",
dc0a50af SW	352	.init = tegra_wm8903_init,
dc0a50af SW	353	.ops = &tegra_wm8903_ops,
a8bf1ba1 SW	354	};
a8bf1ba1 SW	355
dc0a50af SW	356	static struct snd_soc_card snd_soc_tegra_wm8903 = {
	357	.name = "tegra-wm8903",
	358	.dai_link = &tegra_wm8903_dai,
a8bf1ba1	359	.num_links = 1,
dea8b6ee SW	360
	361	.controls = tegra_wm8903_controls,
	362	.num_controls = ARRAY_SIZE(tegra_wm8903_controls),
	363	.dapm_widgets = tegra_wm8903_dapm_widgets,
	364	.num_dapm_widgets = ARRAY_SIZE(tegra_wm8903_dapm_widgets),
a8bf1ba1 SW	365	};
a8bf1ba1 SW	366
dc0a50af	367	static __devinit int tegra_wm8903_driver_probe(struct platform_device *pdev)
a8bf1ba1	368	{
dc0a50af SW	369	struct snd_soc_card *card = &snd_soc_tegra_wm8903;
dc0a50af SW	370	struct tegra_wm8903 *machine;
4651d556	371	struct tegra_wm8903_platform_data *pdata;
a8bf1ba1 SW	372	int ret;
a8bf1ba1 SW	373
6e267645 SW	374	pdata = pdev->dev.platform_data;
6e267645 SW	375	if (!pdata) {
773b1d3d	376	dev_err(&pdev->dev, "No platform data supplied\n");
6e267645 SW	377	return -EINVAL;
	378	}
	379
dc0a50af SW	380	machine = kzalloc(sizeof(struct tegra_wm8903), GFP_KERNEL);
	381	if (!machine) {
	382	dev_err(&pdev->dev, "Can't allocate tegra_wm8903 struct\n");
72de2b1a	383	return -ENOMEM;
a8bf1ba1 SW	384	}
a8bf1ba1 SW	385
dc0a50af	386	machine->pdata = pdata;
6e267645	387
dc0a50af	388	ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
72de2b1a	389	if (ret)
dc0a50af	390	goto err_free_machine;
a8bf1ba1	391
72de2b1a SW	392	card->dev = &pdev->dev;
72de2b1a SW	393	platform_set_drvdata(pdev, card);
dc0a50af	394	snd_soc_card_set_drvdata(card, machine);
a8bf1ba1	395
ee1a4d4b	396	if (machine_is_harmony()) {
dea8b6ee SW	397	card->dapm_routes = harmony_audio_map;
	398	card->num_dapm_routes = ARRAY_SIZE(harmony_audio_map);
	399	} else if (machine_is_seaboard()) {
	400	card->dapm_routes = seaboard_audio_map;
	401	card->num_dapm_routes = ARRAY_SIZE(seaboard_audio_map);
	402	} else if (machine_is_kaen()) {
	403	card->dapm_routes = kaen_audio_map;
	404	card->num_dapm_routes = ARRAY_SIZE(kaen_audio_map);
	405	} else {
	406	card->dapm_routes = aebl_audio_map;
	407	card->num_dapm_routes = ARRAY_SIZE(aebl_audio_map);
	408	}
	409
72de2b1a	410	ret = snd_soc_register_card(card);
a8bf1ba1	411	if (ret) {
72de2b1a	412	dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
a8bf1ba1	413	ret);
acb8303f	414	goto err_fini_utils;
a8bf1ba1 SW	415	}
	416
	417	return 0;
	418
acb8303f	419	err_fini_utils:
dc0a50af SW	420	tegra_asoc_utils_fini(&machine->util_data);
	421	err_free_machine:
	422	kfree(machine);
a8bf1ba1 SW	423	return ret;
a8bf1ba1 SW	424	}
a8bf1ba1	425
dc0a50af	426	static int __devexit tegra_wm8903_driver_remove(struct platform_device *pdev)
a8bf1ba1	427	{
72de2b1a	428	struct snd_soc_card *card = platform_get_drvdata(pdev);
dc0a50af SW	429	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
dc0a50af SW	430	struct tegra_wm8903_platform_data *pdata = machine->pdata;
72de2b1a	431
29591ed4 SW	432	if (machine->gpio_requested & GPIO_HP_DET)
	433	snd_soc_jack_free_gpios(&tegra_wm8903_hp_jack,
	434	1,
	435	&tegra_wm8903_hp_jack_gpio);
dc0a50af	436	if (machine->gpio_requested & GPIO_EXT_MIC_EN)
bf1b1328	437	gpio_free(pdata->gpio_ext_mic_en);
dc0a50af	438	if (machine->gpio_requested & GPIO_INT_MIC_EN)
bf1b1328	439	gpio_free(pdata->gpio_int_mic_en);
773b1d3d SW	440	if (machine->gpio_requested & GPIO_HP_MUTE)
773b1d3d SW	441	gpio_free(pdata->gpio_hp_mute);
dc0a50af	442	if (machine->gpio_requested & GPIO_SPKR_EN)
6e267645	443	gpio_free(pdata->gpio_spkr_en);
29591ed4 SW	444	machine->gpio_requested = 0;
	445
	446	snd_soc_unregister_card(card);
	447
	448	tegra_asoc_utils_fini(&machine->util_data);
6e267645	449
dc0a50af	450	kfree(machine);
72de2b1a SW	451
	452	return 0;
	453	}
	454
dc0a50af	455	static struct platform_driver tegra_wm8903_driver = {
72de2b1a SW	456	.driver = {
	457	.name = DRV_NAME,
	458	.owner = THIS_MODULE,
deb2607e	459	.pm = &snd_soc_pm_ops,
72de2b1a	460	},
dc0a50af SW	461	.probe = tegra_wm8903_driver_probe,
dc0a50af SW	462	.remove = __devexit_p(tegra_wm8903_driver_remove),
72de2b1a SW	463	};
72de2b1a SW	464
dc0a50af	465	static int __init tegra_wm8903_modinit(void)
72de2b1a	466	{
dc0a50af	467	return platform_driver_register(&tegra_wm8903_driver);
72de2b1a	468	}
dc0a50af	469	module_init(tegra_wm8903_modinit);
72de2b1a	470
dc0a50af	471	static void __exit tegra_wm8903_modexit(void)
72de2b1a	472	{
dc0a50af	473	platform_driver_unregister(&tegra_wm8903_driver);
a8bf1ba1	474	}
dc0a50af	475	module_exit(tegra_wm8903_modexit);
a8bf1ba1 SW	476
a8bf1ba1 SW	477	MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
dc0a50af	478	MODULE_DESCRIPTION("Tegra+WM8903 machine ASoC driver");
a8bf1ba1	479	MODULE_LICENSE("GPL");
8eb34207	480	MODULE_ALIAS("platform:" DRV_NAME);