[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)

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);
	}

	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() && !machine_is_ventana())
		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");
	}

	snd_soc_dapm_sync(dapm);

	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() || machine_is_ventana()) {
		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;

	snd_soc_unregister_card(card);

	tegra_asoc_utils_fini(&machine->util_data);

	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);

	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)
bf1b1328	59
dc0a50af	60	struct tegra_wm8903 {
d64e57ce	61	struct tegra_asoc_utils_data util_data;
4651d556	62	struct tegra_wm8903_platform_data *pdata;
bf1b1328	63	int gpio_requested;
72de2b1a	64	};
a8bf1ba1	65
dc0a50af	66	static int tegra_wm8903_hw_params(struct snd_pcm_substream *substream,
a8bf1ba1 SW	67	struct snd_pcm_hw_params *params)
	68	{
	69	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	70	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	71	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
c244d477 SW	72	struct snd_soc_codec *codec = rtd->codec;
c244d477 SW	73	struct snd_soc_card *card = codec->card;
dc0a50af	74	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
07541396	75	int srate, mclk;
a8bf1ba1 SW	76	int err;
	77
	78	srate = params_rate(params);
	79	switch (srate) {
	80	case 64000:
	81	case 88200:
	82	case 96000:
	83	mclk = 128 * srate;
	84	break;
	85	default:
	86	mclk = 256 * srate;
	87	break;
	88	}
	89	/* FIXME: Codec only requires >= 3MHz if OSR==0 */
	90	while (mclk < 6000000)
	91	mclk *= 2;
	92
07541396	93	err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk);
a8bf1ba1	94	if (err < 0) {
c244d477	95	dev_err(card->dev, "Can't configure clocks\n");
a8bf1ba1 SW	96	return err;
	97	}
	98
	99	err = snd_soc_dai_set_fmt(codec_dai,
	100	SND_SOC_DAIFMT_I2S \|
	101	SND_SOC_DAIFMT_NB_NF \|
	102	SND_SOC_DAIFMT_CBS_CFS);
	103	if (err < 0) {
c244d477	104	dev_err(card->dev, "codec_dai fmt not set\n");
a8bf1ba1 SW	105	return err;
	106	}
	107
	108	err = snd_soc_dai_set_fmt(cpu_dai,
	109	SND_SOC_DAIFMT_I2S \|
	110	SND_SOC_DAIFMT_NB_NF \|
	111	SND_SOC_DAIFMT_CBS_CFS);
	112	if (err < 0) {
c244d477	113	dev_err(card->dev, "cpu_dai fmt not set\n");
a8bf1ba1 SW	114	return err;
	115	}
	116
07541396 SW	117	err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
	118	SND_SOC_CLOCK_IN);
	119	if (err < 0) {
	120	dev_err(card->dev, "codec_dai clock not set\n");
	121	return err;
a8bf1ba1 SW	122	}
	123
	124	return 0;
	125	}
	126
dc0a50af SW	127	static struct snd_soc_ops tegra_wm8903_ops = {
dc0a50af SW	128	.hw_params = tegra_wm8903_hw_params,
a8bf1ba1 SW	129	};
a8bf1ba1 SW	130
dc0a50af	131	static struct snd_soc_jack tegra_wm8903_hp_jack;
f7d3e403	132
dc0a50af	133	static struct snd_soc_jack_pin tegra_wm8903_hp_jack_pins[] = {
f7d3e403 SW	134	{
	135	.pin = "Headphone Jack",
	136	.mask = SND_JACK_HEADPHONE,
	137	},
	138	};
	139
3eb25f99 SW	140	static struct snd_soc_jack_gpio tegra_wm8903_hp_jack_gpio = {
	141	.name = "headphone detect",
	142	.report = SND_JACK_HEADPHONE,
	143	.debounce_time = 150,
	144	.invert = 1,
f7d3e403 SW	145	};
f7d3e403 SW	146
dc0a50af	147	static struct snd_soc_jack tegra_wm8903_mic_jack;
41b5f9b3	148
dc0a50af	149	static struct snd_soc_jack_pin tegra_wm8903_mic_jack_pins[] = {
41b5f9b3 SW	150	{
	151	.pin = "Mic Jack",
	152	.mask = SND_JACK_MICROPHONE,
	153	},
	154	};
	155
dc0a50af	156	static int tegra_wm8903_event_int_spk(struct snd_soc_dapm_widget *w,
6e267645 SW	157	struct snd_kcontrol *k, int event)
6e267645 SW	158	{
a32955db SW	159	struct snd_soc_dapm_context *dapm = w->dapm;
a32955db SW	160	struct snd_soc_card *card = dapm->card;
dc0a50af SW	161	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
dc0a50af SW	162	struct tegra_wm8903_platform_data *pdata = machine->pdata;
6e267645	163
773b1d3d SW	164	if (!(machine->gpio_requested & GPIO_SPKR_EN))
	165	return 0;
	166
6e267645	167	gpio_set_value_cansleep(pdata->gpio_spkr_en,
f9eabc3d	168	SND_SOC_DAPM_EVENT_ON(event));
6e267645 SW	169
	170	return 0;
	171	}
	172
773b1d3d SW	173	static int tegra_wm8903_event_hp(struct snd_soc_dapm_widget *w,
	174	struct snd_kcontrol *k, int event)
	175	{
a32955db SW	176	struct snd_soc_dapm_context *dapm = w->dapm;
a32955db SW	177	struct snd_soc_card *card = dapm->card;
773b1d3d SW	178	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
	179	struct tegra_wm8903_platform_data *pdata = machine->pdata;
	180
	181	if (!(machine->gpio_requested & GPIO_HP_MUTE))
	182	return 0;
	183
	184	gpio_set_value_cansleep(pdata->gpio_hp_mute,
	185	!SND_SOC_DAPM_EVENT_ON(event));
	186
	187	return 0;
	188	}
	189
dc0a50af SW	190	static const struct snd_soc_dapm_widget tegra_wm8903_dapm_widgets[] = {
dc0a50af SW	191	SND_SOC_DAPM_SPK("Int Spk", tegra_wm8903_event_int_spk),
773b1d3d	192	SND_SOC_DAPM_HP("Headphone Jack", tegra_wm8903_event_hp),
62ffac4d SW	193	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	194	};
	195
	196	static const struct snd_soc_dapm_route harmony_audio_map[] = {
	197	{"Headphone Jack", NULL, "HPOUTR"},
	198	{"Headphone Jack", NULL, "HPOUTL"},
6e267645 SW	199	{"Int Spk", NULL, "ROP"},
	200	{"Int Spk", NULL, "RON"},
	201	{"Int Spk", NULL, "LOP"},
	202	{"Int Spk", NULL, "LON"},
62ffac4d SW	203	{"Mic Bias", NULL, "Mic Jack"},
	204	{"IN1L", NULL, "Mic Bias"},
	205	};
	206
773b1d3d SW	207	static const struct snd_soc_dapm_route seaboard_audio_map[] = {
	208	{"Headphone Jack", NULL, "HPOUTR"},
	209	{"Headphone Jack", NULL, "HPOUTL"},
	210	{"Int Spk", NULL, "ROP"},
	211	{"Int Spk", NULL, "RON"},
	212	{"Int Spk", NULL, "LOP"},
	213	{"Int Spk", NULL, "LON"},
	214	{"Mic Bias", NULL, "Mic Jack"},
	215	{"IN1R", NULL, "Mic Bias"},
	216	};
	217
	218	static const struct snd_soc_dapm_route kaen_audio_map[] = {
	219	{"Headphone Jack", NULL, "HPOUTR"},
	220	{"Headphone Jack", NULL, "HPOUTL"},
	221	{"Int Spk", NULL, "ROP"},
	222	{"Int Spk", NULL, "RON"},
	223	{"Int Spk", NULL, "LOP"},
	224	{"Int Spk", NULL, "LON"},
	225	{"Mic Bias", NULL, "Mic Jack"},
	226	{"IN2R", NULL, "Mic Bias"},
	227	};
	228
	229	static const struct snd_soc_dapm_route aebl_audio_map[] = {
	230	{"Headphone Jack", NULL, "HPOUTR"},
	231	{"Headphone Jack", NULL, "HPOUTL"},
	232	{"Int Spk", NULL, "LINEOUTR"},
	233	{"Int Spk", NULL, "LINEOUTL"},
	234	{"Mic Bias", NULL, "Mic Jack"},
	235	{"IN1R", NULL, "Mic Bias"},
	236	};
	237
dc0a50af	238	static const struct snd_kcontrol_new tegra_wm8903_controls[] = {
3d8bc390 SW	239	SOC_DAPM_PIN_SWITCH("Int Spk"),
	240	};
	241
dc0a50af	242	static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
62ffac4d SW	243	{
	244	struct snd_soc_codec *codec = rtd->codec;
	245	struct snd_soc_dapm_context *dapm = &codec->dapm;
6e267645	246	struct snd_soc_card *card = codec->card;
dc0a50af SW	247	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
dc0a50af SW	248	struct tegra_wm8903_platform_data *pdata = machine->pdata;
6e267645 SW	249	int ret;
6e267645 SW	250
773b1d3d SW	251	if (gpio_is_valid(pdata->gpio_spkr_en)) {
	252	ret = gpio_request(pdata->gpio_spkr_en, "spkr_en");
	253	if (ret) {
	254	dev_err(card->dev, "cannot get spkr_en gpio\n");
	255	return ret;
	256	}
	257	machine->gpio_requested \|= GPIO_SPKR_EN;
	258
	259	gpio_direction_output(pdata->gpio_spkr_en, 0);
6e267645	260	}
6e267645	261
773b1d3d SW	262	if (gpio_is_valid(pdata->gpio_hp_mute)) {
	263	ret = gpio_request(pdata->gpio_hp_mute, "hp_mute");
	264	if (ret) {
	265	dev_err(card->dev, "cannot get hp_mute gpio\n");
	266	return ret;
	267	}
	268	machine->gpio_requested \|= GPIO_HP_MUTE;
62ffac4d	269
a5fe6be4	270	gpio_direction_output(pdata->gpio_hp_mute, 1);
bf1b1328	271	}
bf1b1328	272
773b1d3d SW	273	if (gpio_is_valid(pdata->gpio_int_mic_en)) {
	274	ret = gpio_request(pdata->gpio_int_mic_en, "int_mic_en");
	275	if (ret) {
	276	dev_err(card->dev, "cannot get int_mic_en gpio\n");
	277	return ret;
	278	}
	279	machine->gpio_requested \|= GPIO_INT_MIC_EN;
bf1b1328	280
773b1d3d SW	281	/* Disable int mic; enable signal is active-high */
773b1d3d SW	282	gpio_direction_output(pdata->gpio_int_mic_en, 0);
bf1b1328	283	}
bf1b1328	284
773b1d3d SW	285	if (gpio_is_valid(pdata->gpio_ext_mic_en)) {
	286	ret = gpio_request(pdata->gpio_ext_mic_en, "ext_mic_en");
	287	if (ret) {
	288	dev_err(card->dev, "cannot get ext_mic_en gpio\n");
	289	return ret;
	290	}
	291	machine->gpio_requested \|= GPIO_EXT_MIC_EN;
	292
	293	/* Enable ext mic; enable signal is active-low */
	294	gpio_direction_output(pdata->gpio_ext_mic_en, 0);
	295	}
bf1b1328	296
773b1d3d SW	297	if (gpio_is_valid(pdata->gpio_hp_det)) {
	298	tegra_wm8903_hp_jack_gpio.gpio = pdata->gpio_hp_det;
	299	snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE,
	300	&tegra_wm8903_hp_jack);
	301	snd_soc_jack_add_pins(&tegra_wm8903_hp_jack,
	302	ARRAY_SIZE(tegra_wm8903_hp_jack_pins),
	303	tegra_wm8903_hp_jack_pins);
	304	snd_soc_jack_add_gpios(&tegra_wm8903_hp_jack,
	305	1,
	306	&tegra_wm8903_hp_jack_gpio);
	307	}
f7d3e403	308
41b5f9b3	309	snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE,
dc0a50af SW	310	&tegra_wm8903_mic_jack);
	311	snd_soc_jack_add_pins(&tegra_wm8903_mic_jack,
	312	ARRAY_SIZE(tegra_wm8903_mic_jack_pins),
	313	tegra_wm8903_mic_jack_pins);
	314	wm8903_mic_detect(codec, &tegra_wm8903_mic_jack, SND_JACK_MICROPHONE,
	315	0);
41b5f9b3 SW	316
	317	snd_soc_dapm_force_enable_pin(dapm, "Mic Bias");
	318
773b1d3d SW	319	/* FIXME: Calculate automatically based on DAPM routes? */
	320	if (!machine_is_harmony() && !machine_is_ventana())
	321	snd_soc_dapm_nc_pin(dapm, "IN1L");
	322	if (!machine_is_seaboard() && !machine_is_aebl())
	323	snd_soc_dapm_nc_pin(dapm, "IN1R");
	324	snd_soc_dapm_nc_pin(dapm, "IN2L");
	325	if (!machine_is_kaen())
	326	snd_soc_dapm_nc_pin(dapm, "IN2R");
0d6cdca7 SW	327	snd_soc_dapm_nc_pin(dapm, "IN3L");
0d6cdca7 SW	328	snd_soc_dapm_nc_pin(dapm, "IN3R");
773b1d3d SW	329
	330	if (machine_is_aebl()) {
	331	snd_soc_dapm_nc_pin(dapm, "LON");
	332	snd_soc_dapm_nc_pin(dapm, "RON");
	333	snd_soc_dapm_nc_pin(dapm, "ROP");
	334	snd_soc_dapm_nc_pin(dapm, "LOP");
	335	} else {
	336	snd_soc_dapm_nc_pin(dapm, "LINEOUTR");
	337	snd_soc_dapm_nc_pin(dapm, "LINEOUTL");
	338	}
0d6cdca7	339
41b5f9b3 SW	340	snd_soc_dapm_sync(dapm);
41b5f9b3 SW	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
dea8b6ee SW	396	if (machine_is_harmony() \|\| machine_is_ventana()) {
	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 SW	431
	432	snd_soc_unregister_card(card);
	433
dc0a50af	434	tegra_asoc_utils_fini(&machine->util_data);
72de2b1a	435
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 SW	443	gpio_free(pdata->gpio_spkr_en);
6e267645 SW	444
dc0a50af	445	kfree(machine);
72de2b1a SW	446
	447	return 0;
	448	}
	449
dc0a50af	450	static struct platform_driver tegra_wm8903_driver = {
72de2b1a SW	451	.driver = {
	452	.name = DRV_NAME,
	453	.owner = THIS_MODULE,
deb2607e	454	.pm = &snd_soc_pm_ops,
72de2b1a	455	},
dc0a50af SW	456	.probe = tegra_wm8903_driver_probe,
dc0a50af SW	457	.remove = __devexit_p(tegra_wm8903_driver_remove),
72de2b1a SW	458	};
72de2b1a SW	459
dc0a50af	460	static int __init tegra_wm8903_modinit(void)
72de2b1a	461	{
dc0a50af	462	return platform_driver_register(&tegra_wm8903_driver);
72de2b1a	463	}
dc0a50af	464	module_init(tegra_wm8903_modinit);
72de2b1a	465
dc0a50af	466	static void __exit tegra_wm8903_modexit(void)
72de2b1a	467	{
dc0a50af	468	platform_driver_unregister(&tegra_wm8903_driver);
a8bf1ba1	469	}
dc0a50af	470	module_exit(tegra_wm8903_modexit);
a8bf1ba1 SW	471
a8bf1ba1 SW	472	MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
dc0a50af	473	MODULE_DESCRIPTION("Tegra+WM8903 machine ASoC driver");
a8bf1ba1	474	MODULE_LICENSE("GPL");
8eb34207	475	MODULE_ALIAS("platform:" DRV_NAME);