[deliverable/linux.git] / sound / soc / omap / omap-abe-twl6040.c

/*
 * omap-abe-twl6040.c  --  SoC audio for TI OMAP based boards with ABE and
 *			   twl6040 codec
 *
 * Author: Misael Lopez Cruz <misael.lopez@ti.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/clk.h>
#include <linux/platform_device.h>
#include <linux/mfd/twl6040.h>
#include <linux/platform_data/omap-abe-twl6040.h>
#include <linux/module.h>

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

#include <asm/mach-types.h>
#include <plat/hardware.h>
#include <plat/mux.h>

#include "omap-dmic.h"
#include "omap-mcpdm.h"
#include "omap-pcm.h"
#include "../codecs/twl6040.h"

struct abe_twl6040 {
	int	jack_detection;	/* board can detect jack events */
	int	mclk_freq;	/* MCLK frequency speed for twl6040 */
};

static int omap_abe_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_codec *codec = rtd->codec;
	struct snd_soc_card *card = codec->card;
	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
	int clk_id, freq;
	int ret;

	clk_id = twl6040_get_clk_id(rtd->codec);
	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
		freq = priv->mclk_freq;
	else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
		freq = 32768;
	else
		return -EINVAL;

	/* set the codec mclk */
	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
				SND_SOC_CLOCK_IN);
	if (ret) {
		printk(KERN_ERR "can't set codec system clock\n");
		return ret;
	}
	return ret;
}

static struct snd_soc_ops omap_abe_ops = {
	.hw_params = omap_abe_hw_params,
};

static int omap_abe_dmic_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 *cpu_dai = rtd->cpu_dai;
	int ret = 0;

	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
				     19200000, SND_SOC_CLOCK_IN);
	if (ret < 0) {
		printk(KERN_ERR "can't set DMIC cpu system clock\n");
		return ret;
	}
	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
				     SND_SOC_CLOCK_OUT);
	if (ret < 0) {
		printk(KERN_ERR "can't set DMIC output clock\n");
		return ret;
	}
	return 0;
}

static struct snd_soc_ops omap_abe_dmic_ops = {
	.hw_params = omap_abe_dmic_hw_params,
};

/* Headset jack */
static struct snd_soc_jack hs_jack;

/*Headset jack detection DAPM pins */
static struct snd_soc_jack_pin hs_jack_pins[] = {
	{
		.pin = "Headset Mic",
		.mask = SND_JACK_MICROPHONE,
	},
	{
		.pin = "Headset Stereophone",
		.mask = SND_JACK_HEADPHONE,
	},
};

/* SDP4430 machine DAPM */
static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
	/* Outputs */
	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	SND_SOC_DAPM_LINE("Line Out", NULL),
	SND_SOC_DAPM_SPK("Vibrator", NULL),

	/* Inputs */
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MIC("Main Handset Mic", NULL),
	SND_SOC_DAPM_MIC("Sub Handset Mic", NULL),
	SND_SOC_DAPM_LINE("Line In", NULL),

	/* Digital microphones */
	SND_SOC_DAPM_MIC("Digital Mic", NULL),
};

static const struct snd_soc_dapm_route audio_map[] = {
	/* Routings for outputs */
	{"Headset Stereophone", NULL, "HSOL"},
	{"Headset Stereophone", NULL, "HSOR"},

	{"Earphone Spk", NULL, "EP"},

	{"Ext Spk", NULL, "HFL"},
	{"Ext Spk", NULL, "HFR"},

	{"Line Out", NULL, "AUXL"},
	{"Line Out", NULL, "AUXR"},

	{"Vibrator", NULL, "VIBRAL"},
	{"Vibrator", NULL, "VIBRAR"},

	/* Routings for inputs */
	{"HSMIC", NULL, "Headset Mic"},
	{"Headset Mic", NULL, "Headset Mic Bias"},

	{"MAINMIC", NULL, "Main Handset Mic"},
	{"Main Handset Mic", NULL, "Main Mic Bias"},

	{"SUBMIC", NULL, "Sub Handset Mic"},
	{"Sub Handset Mic", NULL, "Main Mic Bias"},

	{"AFML", NULL, "Line In"},
	{"AFMR", NULL, "Line In"},
};

static inline void twl6040_disconnect_pin(struct snd_soc_dapm_context *dapm,
					  int connected, char *pin)
{
	if (!connected)
		snd_soc_dapm_disable_pin(dapm, pin);
}

static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_card *card = codec->card;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev);
	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
	int hs_trim;
	int ret = 0;

	/* Disable not connected paths if not used */
	twl6040_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
	twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk");
	twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk");
	twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out");
	twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vinrator");
	twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
	twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic");
	twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic");
	twl6040_disconnect_pin(dapm, pdata->has_afm, "Line In");

	/*
	 * Configure McPDM offset cancellation based on the HSOTRIM value from
	 * twl6040.
	 */
	hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM);
	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
					TWL6040_HSF_TRIM_RIGHT(hs_trim));

	/* Headset jack detection only if it is supported */
	if (priv->jack_detection) {
		ret = snd_soc_jack_new(codec, "Headset Jack",
					SND_JACK_HEADSET, &hs_jack);
		if (ret)
			return ret;

		ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
					hs_jack_pins);
		twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
	}

	return ret;
}

static const struct snd_soc_dapm_route dmic_audio_map[] = {
	{"DMic", NULL, "Digital Mic"},
	{"Digital Mic", NULL, "Digital Mic1 Bias"},
};

static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;

	return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
				ARRAY_SIZE(dmic_audio_map));
}

/* Digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link abe_twl6040_dai_links[] = {
	{
		.name = "TWL6040",
		.stream_name = "TWL6040",
		.cpu_dai_name = "omap-mcpdm",
		.codec_dai_name = "twl6040-legacy",
		.platform_name = "omap-pcm-audio",
		.codec_name = "twl6040-codec",
		.init = omap_abe_twl6040_init,
		.ops = &omap_abe_ops,
	},
	{
		.name = "DMIC",
		.stream_name = "DMIC Capture",
		.cpu_dai_name = "omap-dmic",
		.codec_dai_name = "dmic-hifi",
		.platform_name = "omap-pcm-audio",
		.codec_name = "dmic-codec",
		.init = omap_abe_dmic_init,
		.ops = &omap_abe_dmic_ops,
	},
};

/* Audio machine driver */
static struct snd_soc_card omap_abe_card = {
	.owner = THIS_MODULE,

	.dapm_widgets = twl6040_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
	.dapm_routes = audio_map,
	.num_dapm_routes = ARRAY_SIZE(audio_map),
};

static __devinit int omap_abe_probe(struct platform_device *pdev)
{
	struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev);
	struct snd_soc_card *card = &omap_abe_card;
	struct abe_twl6040 *priv;
	int num_links = 0;
	int ret;

	card->dev = &pdev->dev;

	if (!pdata) {
		dev_err(&pdev->dev, "Missing pdata\n");
		return -ENODEV;
	}

	priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL);
	if (priv == NULL)
		return -ENOMEM;

	if (pdata->card_name) {
		card->name = pdata->card_name;
	} else {
		dev_err(&pdev->dev, "Card name is not provided\n");
		return -ENODEV;
	}

	priv->jack_detection = pdata->jack_detection;
	priv->mclk_freq = pdata->mclk_freq;


	if (!priv->mclk_freq) {
		dev_err(&pdev->dev, "MCLK frequency missing\n");
		return -ENODEV;
	}

	if (pdata->has_dmic)
		num_links = 2;
	else
		num_links = 1;

	card->dai_link = abe_twl6040_dai_links;
	card->num_links = num_links;

	snd_soc_card_set_drvdata(card, priv);

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

	return ret;
}

static int __devexit omap_abe_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);

	snd_soc_unregister_card(card);

	return 0;
}

static struct platform_driver omap_abe_driver = {
	.driver = {
		.name = "omap-abe-twl6040",
		.owner = THIS_MODULE,
		.pm = &snd_soc_pm_ops,
	},
	.probe = omap_abe_probe,
	.remove = __devexit_p(omap_abe_remove),
};

module_platform_driver(omap_abe_driver);

MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:omap-abe-twl6040");
Commit	Line	Data
5e64d6aa	1	/*
13f81d65 PU	2	* omap-abe-twl6040.c -- SoC audio for TI OMAP based boards with ABE and
13f81d65 PU	3	* twl6040 codec
5e64d6aa	4	*
8747a6b7	5	* Author: Misael Lopez Cruz <misael.lopez@ti.com>
5e64d6aa MLC	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License
	9	* version 2 as published by the Free Software Foundation.
	10	*
	11	* This program is distributed in the hope that it will be useful, but
	12	* WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	* General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	19	* 02110-1301 USA
	20	*
	21	*/
	22
	23	#include <linux/clk.h>
	24	#include <linux/platform_device.h>
fb34d3d5	25	#include <linux/mfd/twl6040.h>
d1be1d2f	26	#include <linux/platform_data/omap-abe-twl6040.h>
da155d5b	27	#include <linux/module.h>
fb34d3d5	28
5e64d6aa MLC	29	#include <sound/core.h>
	30	#include <sound/pcm.h>
	31	#include <sound/soc.h>
96dc227c	32	#include <sound/jack.h>
5e64d6aa MLC	33
	34	#include <asm/mach-types.h>
	35	#include <plat/hardware.h>
	36	#include <plat/mux.h>
	37
6524c8e3	38	#include "omap-dmic.h"
f5f9d7bf	39	#include "omap-mcpdm.h"
5e64d6aa MLC	40	#include "omap-pcm.h"
	41	#include "../codecs/twl6040.h"
	42
356bccbe PU	43	struct abe_twl6040 {
	44	int jack_detection; /* board can detect jack events */
	45	int mclk_freq; /* MCLK frequency speed for twl6040 */
	46	};
	47
13f81d65	48	static int omap_abe_hw_params(struct snd_pcm_substream *substream,
5e64d6aa MLC	49	struct snd_pcm_hw_params *params)
	50	{
	51	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	52	struct snd_soc_dai *codec_dai = rtd->codec_dai;
62ba98ce PU	53	struct snd_soc_codec *codec = rtd->codec;
62ba98ce PU	54	struct snd_soc_card *card = codec->card;
356bccbe	55	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
5e64d6aa MLC	56	int clk_id, freq;
	57	int ret;
	58
af958c72 PU	59	clk_id = twl6040_get_clk_id(rtd->codec);
af958c72 PU	60	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
356bccbe	61	freq = priv->mclk_freq;
af958c72	62	else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
5e64d6aa	63	freq = 32768;
af958c72 PU	64	else
af958c72 PU	65	return -EINVAL;
5e64d6aa MLC	66
	67	/* set the codec mclk */
	68	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
	69	SND_SOC_CLOCK_IN);
	70	if (ret) {
	71	printk(KERN_ERR "can't set codec system clock\n");
	72	return ret;
	73	}
f0fba2ad	74	return ret;
5e64d6aa MLC	75	}
5e64d6aa MLC	76
13f81d65 PU	77	static struct snd_soc_ops omap_abe_ops = {
13f81d65 PU	78	.hw_params = omap_abe_hw_params,
5e64d6aa MLC	79	};
5e64d6aa MLC	80
13f81d65	81	static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream,
6524c8e3 PU	82	struct snd_pcm_hw_params *params)
	83	{
	84	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	85	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	86	int ret = 0;
	87
	88	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
	89	19200000, SND_SOC_CLOCK_IN);
	90	if (ret < 0) {
	91	printk(KERN_ERR "can't set DMIC cpu system clock\n");
	92	return ret;
	93	}
	94	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
	95	SND_SOC_CLOCK_OUT);
	96	if (ret < 0) {
	97	printk(KERN_ERR "can't set DMIC output clock\n");
	98	return ret;
	99	}
	100	return 0;
	101	}
	102
13f81d65 PU	103	static struct snd_soc_ops omap_abe_dmic_ops = {
13f81d65 PU	104	.hw_params = omap_abe_dmic_hw_params,
6524c8e3 PU	105	};
6524c8e3 PU	106
96dc227c JEC	107	/* Headset jack */
	108	static struct snd_soc_jack hs_jack;
	109
	110	/Headset jack detection DAPM pins /
	111	static struct snd_soc_jack_pin hs_jack_pins[] = {
	112	{
	113	.pin = "Headset Mic",
	114	.mask = SND_JACK_MICROPHONE,
	115	},
	116	{
	117	.pin = "Headset Stereophone",
	118	.mask = SND_JACK_HEADPHONE,
	119	},
	120	};
	121
5e64d6aa	122	/* SDP4430 machine DAPM */
13f81d65	123	static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
b3208839	124	/* Outputs */
5e64d6aa	125	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
7254e2bd	126	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
b3208839 PU	127	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	128	SND_SOC_DAPM_LINE("Line Out", NULL),
	129	SND_SOC_DAPM_SPK("Vibrator", NULL),
	130
	131	/* Inputs */
	132	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	133	SND_SOC_DAPM_MIC("Main Handset Mic", NULL),
	134	SND_SOC_DAPM_MIC("Sub Handset Mic", NULL),
	135	SND_SOC_DAPM_LINE("Line In", NULL),
7d09f9e9 PU	136
	137	/* Digital microphones */
	138	SND_SOC_DAPM_MIC("Digital Mic", NULL),
5e64d6aa MLC	139	};
	140
	141	static const struct snd_soc_dapm_route audio_map[] = {
b3208839 PU	142	/* Routings for outputs */
	143	{"Headset Stereophone", NULL, "HSOL"},
	144	{"Headset Stereophone", NULL, "HSOR"},
	145
	146	{"Earphone Spk", NULL, "EP"},
5e64d6aa	147
5e64d6aa MLC	148	{"Ext Spk", NULL, "HFL"},
	149	{"Ext Spk", NULL, "HFR"},
	150
b3208839 PU	151	{"Line Out", NULL, "AUXL"},
	152	{"Line Out", NULL, "AUXR"},
	153
	154	{"Vibrator", NULL, "VIBRAL"},
	155	{"Vibrator", NULL, "VIBRAR"},
	156
	157	/* Routings for inputs */
778cee7a PU	158	{"HSMIC", NULL, "Headset Mic"},
778cee7a PU	159	{"Headset Mic", NULL, "Headset Mic Bias"},
5e64d6aa	160
b3208839 PU	161	{"MAINMIC", NULL, "Main Handset Mic"},
b3208839 PU	162	{"Main Handset Mic", NULL, "Main Mic Bias"},
7254e2bd	163
b3208839 PU	164	{"SUBMIC", NULL, "Sub Handset Mic"},
b3208839 PU	165	{"Sub Handset Mic", NULL, "Main Mic Bias"},
23ac3b61	166
b3208839 PU	167	{"AFML", NULL, "Line In"},
b3208839 PU	168	{"AFMR", NULL, "Line In"},
5e64d6aa MLC	169	};
5e64d6aa MLC	170
4ca07cb0 PU	171	static inline void twl6040_disconnect_pin(struct snd_soc_dapm_context *dapm,
	172	int connected, char *pin)
	173	{
	174	if (!connected)
	175	snd_soc_dapm_disable_pin(dapm, pin);
	176	}
	177
13f81d65	178	static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
5e64d6aa	179	{
f0fba2ad	180	struct snd_soc_codec *codec = rtd->codec;
4ca07cb0 PU	181	struct snd_soc_card *card = codec->card;
	182	struct snd_soc_dapm_context *dapm = &codec->dapm;
	183	struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev);
356bccbe	184	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
4ca07cb0 PU	185	int hs_trim;
	186	int ret = 0;
	187
	188	/* Disable not connected paths if not used */
	189	twl6040_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
	190	twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk");
	191	twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk");
	192	twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out");
	193	twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vinrator");
	194	twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
	195	twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic");
	196	twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic");
	197	twl6040_disconnect_pin(dapm, pdata->has_afm, "Line In");
5e64d6aa	198
7bf3d92c PU	199	/*
	200	* Configure McPDM offset cancellation based on the HSOTRIM value from
	201	* twl6040.
	202	*/
	203	hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM);
	204	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
	205	TWL6040_HSF_TRIM_RIGHT(hs_trim));
	206
4ca07cb0	207	/* Headset jack detection only if it is supported */
356bccbe	208	if (priv->jack_detection) {
4ca07cb0 PU	209	ret = snd_soc_jack_new(codec, "Headset Jack",
	210	SND_JACK_HEADSET, &hs_jack);
	211	if (ret)
	212	return ret;
96dc227c	213
4ca07cb0 PU	214	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
4ca07cb0 PU	215	hs_jack_pins);
96dc227c	216	twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
4ca07cb0	217	}
5e64d6aa MLC	218
	219	return ret;
	220	}
	221
6524c8e3	222	static const struct snd_soc_dapm_route dmic_audio_map[] = {
778cee7a PU	223	{"DMic", NULL, "Digital Mic"},
778cee7a PU	224	{"Digital Mic", NULL, "Digital Mic1 Bias"},
6524c8e3 PU	225	};
6524c8e3 PU	226
13f81d65	227	static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd)
6524c8e3 PU	228	{
	229	struct snd_soc_codec *codec = rtd->codec;
	230	struct snd_soc_dapm_context *dapm = &codec->dapm;
6524c8e3 PU	231
	232	return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
	233	ARRAY_SIZE(dmic_audio_map));
	234	}
	235
5e64d6aa	236	/* Digital audio interface glue - connects codec <--> CPU */
c2f98956	237	static struct snd_soc_dai_link abe_twl6040_dai_links[] = {
6524c8e3 PU	238	{
	239	.name = "TWL6040",
	240	.stream_name = "TWL6040",
	241	.cpu_dai_name = "omap-mcpdm",
	242	.codec_dai_name = "twl6040-legacy",
	243	.platform_name = "omap-pcm-audio",
	244	.codec_name = "twl6040-codec",
13f81d65 PU	245	.init = omap_abe_twl6040_init,
13f81d65 PU	246	.ops = &omap_abe_ops,
6524c8e3 PU	247	},
	248	{
	249	.name = "DMIC",
	250	.stream_name = "DMIC Capture",
	251	.cpu_dai_name = "omap-dmic",
	252	.codec_dai_name = "dmic-hifi",
	253	.platform_name = "omap-pcm-audio",
	254	.codec_name = "dmic-codec",
13f81d65 PU	255	.init = omap_abe_dmic_init,
13f81d65 PU	256	.ops = &omap_abe_dmic_ops,
6524c8e3	257	},
5e64d6aa MLC	258	};
	259
	260	/* Audio machine driver */
13f81d65	261	static struct snd_soc_card omap_abe_card = {
b425b884	262	.owner = THIS_MODULE,
fc8e5b4c	263
13f81d65 PU	264	.dapm_widgets = twl6040_dapm_widgets,
13f81d65 PU	265	.num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
fc8e5b4c PU	266	.dapm_routes = audio_map,
fc8e5b4c PU	267	.num_dapm_routes = ARRAY_SIZE(audio_map),
5e64d6aa MLC	268	};
5e64d6aa MLC	269
d1be1d2f	270	static __devinit int omap_abe_probe(struct platform_device *pdev)
5e64d6aa	271	{
d1be1d2f PU	272	struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev);
d1be1d2f PU	273	struct snd_soc_card *card = &omap_abe_card;
356bccbe	274	struct abe_twl6040 *priv;
c2f98956	275	int num_links = 0;
5e64d6aa MLC	276	int ret;
5e64d6aa MLC	277
d1be1d2f	278	card->dev = &pdev->dev;
5e64d6aa	279
d1be1d2f PU	280	if (!pdata) {
	281	dev_err(&pdev->dev, "Missing pdata\n");
	282	return -ENODEV;
5e64d6aa MLC	283	}
5e64d6aa MLC	284
356bccbe PU	285	priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL);
	286	if (priv == NULL)
	287	return -ENOMEM;
	288
d1be1d2f PU	289	if (pdata->card_name) {
	290	card->name = pdata->card_name;
	291	} else {
	292	dev_err(&pdev->dev, "Card name is not provided\n");
	293	return -ENODEV;
	294	}
5e64d6aa	295
356bccbe PU	296	priv->jack_detection = pdata->jack_detection;
	297	priv->mclk_freq = pdata->mclk_freq;
	298
	299
	300	if (!priv->mclk_freq) {
62ba98ce PU	301	dev_err(&pdev->dev, "MCLK frequency missing\n");
	302	return -ENODEV;
	303	}
	304
c2f98956 PU	305	if (pdata->has_dmic)
	306	num_links = 2;
	307	else
	308	num_links = 1;
	309
	310	card->dai_link = abe_twl6040_dai_links;
	311	card->num_links = num_links;
8d946dd7	312
356bccbe PU	313	snd_soc_card_set_drvdata(card, priv);
356bccbe PU	314
d1be1d2f	315	ret = snd_soc_register_card(card);
5e64d6aa	316	if (ret)
d1be1d2f PU	317	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
d1be1d2f PU	318	ret);
5e64d6aa	319
5e64d6aa MLC	320	return ret;
5e64d6aa MLC	321	}
5e64d6aa	322
d1be1d2f	323	static int __devexit omap_abe_remove(struct platform_device *pdev)
5e64d6aa	324	{
d1be1d2f PU	325	struct snd_soc_card *card = platform_get_drvdata(pdev);
	326
	327	snd_soc_unregister_card(card);
	328
	329	return 0;
5e64d6aa	330	}
d1be1d2f PU	331
	332	static struct platform_driver omap_abe_driver = {
	333	.driver = {
	334	.name = "omap-abe-twl6040",
	335	.owner = THIS_MODULE,
	336	.pm = &snd_soc_pm_ops,
	337	},
	338	.probe = omap_abe_probe,
	339	.remove = __devexit_p(omap_abe_remove),
	340	};
	341
	342	module_platform_driver(omap_abe_driver);
5e64d6aa	343
8747a6b7	344	MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
13f81d65	345	MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
5e64d6aa	346	MODULE_LICENSE("GPL");
d1be1d2f	347	MODULE_ALIAS("platform:omap-abe-twl6040");