[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 <linux/of.h>

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

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

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

	struct platform_device *dmic_codec_dev;
};

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;

	/*
	 * 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);
	}

	/*
	 * NULL pdata means we booted with DT. In this case the routing is
	 * provided and the card is fully routed, no need to mark pins.
	 */
	if (!pdata)
		return ret;

	/* 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, "Vibrator");
	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");

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

	card->dev = &pdev->dev;

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

	priv->dmic_codec_dev = ERR_PTR(-EINVAL);

	if (node) {
		struct device_node *dai_node;

		if (snd_soc_of_parse_card_name(card, "ti,model")) {
			dev_err(&pdev->dev, "Card name is not provided\n");
			return -ENODEV;
		}

		ret = snd_soc_of_parse_audio_routing(card,
						"ti,audio-routing");
		if (ret) {
			dev_err(&pdev->dev,
				"Error while parsing DAPM routing\n");
			return ret;
		}

		dai_node = of_parse_phandle(node, "ti,mcpdm", 0);
		if (!dai_node) {
			dev_err(&pdev->dev, "McPDM node is not provided\n");
			return -EINVAL;
		}
		abe_twl6040_dai_links[0].cpu_dai_name  = NULL;
		abe_twl6040_dai_links[0].cpu_of_node = dai_node;

		dai_node = of_parse_phandle(node, "ti,dmic", 0);
		if (dai_node) {
			num_links = 2;
			abe_twl6040_dai_links[1].cpu_dai_name  = NULL;
			abe_twl6040_dai_links[1].cpu_of_node = dai_node;

			priv->dmic_codec_dev = platform_device_register_simple(
						"dmic-codec", -1, NULL, 0);
			if (IS_ERR(priv->dmic_codec_dev)) {
				dev_err(&pdev->dev,
					"Can't instantiate dmic-codec\n");
				return PTR_ERR(priv->dmic_codec_dev);
			}
		} else {
			num_links = 1;
		}

		priv->jack_detection = of_property_read_bool(node,
							   "ti,jack-detection");
		of_property_read_u32(node, "ti,mclk-freq",
				     &priv->mclk_freq);
		if (!priv->mclk_freq) {
			dev_err(&pdev->dev, "MCLK frequency not provided\n");
			ret = -EINVAL;
			goto err_unregister;
		}

		omap_abe_card.fully_routed = 1;
	} else if (pdata) {
		if (pdata->card_name) {
			card->name = pdata->card_name;
		} else {
			dev_err(&pdev->dev, "Card name is not provided\n");
			return -ENODEV;
		}

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

		priv->jack_detection = pdata->jack_detection;
		priv->mclk_freq = pdata->mclk_freq;
	} else {
		dev_err(&pdev->dev, "Missing pdata\n");
		return -ENODEV;
	}


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

	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);
		goto err_unregister;
	}

	return 0;

err_unregister:
	if (!IS_ERR(priv->dmic_codec_dev))
		platform_device_unregister(priv->dmic_codec_dev);

	return ret;
}

static int omap_abe_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);
	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);

	snd_soc_unregister_card(card);

	if (!IS_ERR(priv->dmic_codec_dev))
		platform_device_unregister(priv->dmic_codec_dev);

	return 0;
}

static const struct of_device_id omap_abe_of_match[] = {
	{.compatible = "ti,abe-twl6040", },
	{ },
};
MODULE_DEVICE_TABLE(of, omap_abe_of_match);

static struct platform_driver omap_abe_driver = {
	.driver = {
		.name = "omap-abe-twl6040",
		.owner = THIS_MODULE,
		.pm = &snd_soc_pm_ops,
		.of_match_table = omap_abe_of_match,
	},
	.probe = omap_abe_probe,
	.remove = 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>
5ef75e71	28	#include <linux/of.h>
fb34d3d5	29
5e64d6aa MLC	30	#include <sound/core.h>
	31	#include <sound/pcm.h>
	32	#include <sound/soc.h>
96dc227c	33	#include <sound/jack.h>
5e64d6aa	34
6524c8e3	35	#include "omap-dmic.h"
f5f9d7bf	36	#include "omap-mcpdm.h"
5e64d6aa MLC	37	#include "../codecs/twl6040.h"
5e64d6aa MLC	38
356bccbe PU	39	struct abe_twl6040 {
	40	int jack_detection; /* board can detect jack events */
	41	int mclk_freq; /* MCLK frequency speed for twl6040 */
5ef75e71 PU	42
5ef75e71 PU	43	struct platform_device *dmic_codec_dev;
356bccbe PU	44	};
356bccbe PU	45
13f81d65	46	static int omap_abe_hw_params(struct snd_pcm_substream *substream,
5e64d6aa MLC	47	struct snd_pcm_hw_params *params)
	48	{
	49	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	50	struct snd_soc_dai *codec_dai = rtd->codec_dai;
62ba98ce PU	51	struct snd_soc_codec *codec = rtd->codec;
62ba98ce PU	52	struct snd_soc_card *card = codec->card;
356bccbe	53	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
5e64d6aa MLC	54	int clk_id, freq;
	55	int ret;
	56
af958c72 PU	57	clk_id = twl6040_get_clk_id(rtd->codec);
af958c72 PU	58	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
356bccbe	59	freq = priv->mclk_freq;
af958c72	60	else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
5e64d6aa	61	freq = 32768;
af958c72 PU	62	else
af958c72 PU	63	return -EINVAL;
5e64d6aa MLC	64
	65	/* set the codec mclk */
	66	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
	67	SND_SOC_CLOCK_IN);
	68	if (ret) {
	69	printk(KERN_ERR "can't set codec system clock\n");
	70	return ret;
	71	}
f0fba2ad	72	return ret;
5e64d6aa MLC	73	}
5e64d6aa MLC	74
13f81d65 PU	75	static struct snd_soc_ops omap_abe_ops = {
13f81d65 PU	76	.hw_params = omap_abe_hw_params,
5e64d6aa MLC	77	};
5e64d6aa MLC	78
13f81d65	79	static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream,
6524c8e3 PU	80	struct snd_pcm_hw_params *params)
	81	{
	82	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	83	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	84	int ret = 0;
	85
	86	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
	87	19200000, SND_SOC_CLOCK_IN);
	88	if (ret < 0) {
	89	printk(KERN_ERR "can't set DMIC cpu system clock\n");
	90	return ret;
	91	}
	92	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
	93	SND_SOC_CLOCK_OUT);
	94	if (ret < 0) {
	95	printk(KERN_ERR "can't set DMIC output clock\n");
	96	return ret;
	97	}
	98	return 0;
	99	}
	100
13f81d65 PU	101	static struct snd_soc_ops omap_abe_dmic_ops = {
13f81d65 PU	102	.hw_params = omap_abe_dmic_hw_params,
6524c8e3 PU	103	};
6524c8e3 PU	104
96dc227c JEC	105	/* Headset jack */
	106	static struct snd_soc_jack hs_jack;
	107
	108	/Headset jack detection DAPM pins /
	109	static struct snd_soc_jack_pin hs_jack_pins[] = {
	110	{
	111	.pin = "Headset Mic",
	112	.mask = SND_JACK_MICROPHONE,
	113	},
	114	{
	115	.pin = "Headset Stereophone",
	116	.mask = SND_JACK_HEADPHONE,
	117	},
	118	};
	119
5e64d6aa	120	/* SDP4430 machine DAPM */
13f81d65	121	static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
b3208839	122	/* Outputs */
5e64d6aa	123	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
7254e2bd	124	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
b3208839 PU	125	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	126	SND_SOC_DAPM_LINE("Line Out", NULL),
	127	SND_SOC_DAPM_SPK("Vibrator", NULL),
	128
	129	/* Inputs */
	130	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	131	SND_SOC_DAPM_MIC("Main Handset Mic", NULL),
	132	SND_SOC_DAPM_MIC("Sub Handset Mic", NULL),
	133	SND_SOC_DAPM_LINE("Line In", NULL),
7d09f9e9 PU	134
	135	/* Digital microphones */
	136	SND_SOC_DAPM_MIC("Digital Mic", NULL),
5e64d6aa MLC	137	};
	138
	139	static const struct snd_soc_dapm_route audio_map[] = {
b3208839 PU	140	/* Routings for outputs */
	141	{"Headset Stereophone", NULL, "HSOL"},
	142	{"Headset Stereophone", NULL, "HSOR"},
	143
	144	{"Earphone Spk", NULL, "EP"},
5e64d6aa	145
5e64d6aa MLC	146	{"Ext Spk", NULL, "HFL"},
	147	{"Ext Spk", NULL, "HFR"},
	148
b3208839 PU	149	{"Line Out", NULL, "AUXL"},
	150	{"Line Out", NULL, "AUXR"},
	151
	152	{"Vibrator", NULL, "VIBRAL"},
	153	{"Vibrator", NULL, "VIBRAR"},
	154
	155	/* Routings for inputs */
778cee7a PU	156	{"HSMIC", NULL, "Headset Mic"},
778cee7a PU	157	{"Headset Mic", NULL, "Headset Mic Bias"},
5e64d6aa	158
b3208839 PU	159	{"MAINMIC", NULL, "Main Handset Mic"},
b3208839 PU	160	{"Main Handset Mic", NULL, "Main Mic Bias"},
7254e2bd	161
b3208839 PU	162	{"SUBMIC", NULL, "Sub Handset Mic"},
b3208839 PU	163	{"Sub Handset Mic", NULL, "Main Mic Bias"},
23ac3b61	164
b3208839 PU	165	{"AFML", NULL, "Line In"},
b3208839 PU	166	{"AFMR", NULL, "Line In"},
5e64d6aa MLC	167	};
5e64d6aa MLC	168
4ca07cb0 PU	169	static inline void twl6040_disconnect_pin(struct snd_soc_dapm_context *dapm,
	170	int connected, char *pin)
	171	{
	172	if (!connected)
	173	snd_soc_dapm_disable_pin(dapm, pin);
	174	}
	175
13f81d65	176	static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
5e64d6aa	177	{
f0fba2ad	178	struct snd_soc_codec *codec = rtd->codec;
4ca07cb0 PU	179	struct snd_soc_card *card = codec->card;
	180	struct snd_soc_dapm_context *dapm = &codec->dapm;
	181	struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev);
356bccbe	182	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
4ca07cb0 PU	183	int hs_trim;
	184	int ret = 0;
	185
7bf3d92c PU	186	/*
	187	* Configure McPDM offset cancellation based on the HSOTRIM value from
	188	* twl6040.
	189	*/
	190	hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM);
	191	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
	192	TWL6040_HSF_TRIM_RIGHT(hs_trim));
	193
4ca07cb0	194	/* Headset jack detection only if it is supported */
356bccbe	195	if (priv->jack_detection) {
4ca07cb0 PU	196	ret = snd_soc_jack_new(codec, "Headset Jack",
	197	SND_JACK_HEADSET, &hs_jack);
	198	if (ret)
	199	return ret;
96dc227c	200
4ca07cb0 PU	201	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
4ca07cb0 PU	202	hs_jack_pins);
96dc227c	203	twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
4ca07cb0	204	}
5e64d6aa	205
5ef75e71 PU	206	/*
	207	* NULL pdata means we booted with DT. In this case the routing is
	208	* provided and the card is fully routed, no need to mark pins.
	209	*/
	210	if (!pdata)
	211	return ret;
	212
	213	/* Disable not connected paths if not used */
	214	twl6040_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
	215	twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk");
	216	twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk");
	217	twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out");
034940a6	218	twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vibrator");
5ef75e71 PU	219	twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
	220	twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic");
	221	twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic");
	222	twl6040_disconnect_pin(dapm, pdata->has_afm, "Line In");
	223
5e64d6aa MLC	224	return ret;
	225	}
	226
6524c8e3	227	static const struct snd_soc_dapm_route dmic_audio_map[] = {
778cee7a PU	228	{"DMic", NULL, "Digital Mic"},
778cee7a PU	229	{"Digital Mic", NULL, "Digital Mic1 Bias"},
6524c8e3 PU	230	};
6524c8e3 PU	231
13f81d65	232	static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd)
6524c8e3 PU	233	{
	234	struct snd_soc_codec *codec = rtd->codec;
	235	struct snd_soc_dapm_context *dapm = &codec->dapm;
6524c8e3 PU	236
	237	return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
	238	ARRAY_SIZE(dmic_audio_map));
	239	}
	240
5e64d6aa	241	/* Digital audio interface glue - connects codec <--> CPU */
c2f98956	242	static struct snd_soc_dai_link abe_twl6040_dai_links[] = {
6524c8e3 PU	243	{
	244	.name = "TWL6040",
	245	.stream_name = "TWL6040",
	246	.cpu_dai_name = "omap-mcpdm",
	247	.codec_dai_name = "twl6040-legacy",
	248	.platform_name = "omap-pcm-audio",
	249	.codec_name = "twl6040-codec",
13f81d65 PU	250	.init = omap_abe_twl6040_init,
13f81d65 PU	251	.ops = &omap_abe_ops,
6524c8e3 PU	252	},
	253	{
	254	.name = "DMIC",
	255	.stream_name = "DMIC Capture",
	256	.cpu_dai_name = "omap-dmic",
	257	.codec_dai_name = "dmic-hifi",
	258	.platform_name = "omap-pcm-audio",
	259	.codec_name = "dmic-codec",
13f81d65 PU	260	.init = omap_abe_dmic_init,
13f81d65 PU	261	.ops = &omap_abe_dmic_ops,
6524c8e3	262	},
5e64d6aa MLC	263	};
	264
	265	/* Audio machine driver */
13f81d65	266	static struct snd_soc_card omap_abe_card = {
b425b884	267	.owner = THIS_MODULE,
fc8e5b4c	268
13f81d65 PU	269	.dapm_widgets = twl6040_dapm_widgets,
13f81d65 PU	270	.num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
fc8e5b4c PU	271	.dapm_routes = audio_map,
fc8e5b4c PU	272	.num_dapm_routes = ARRAY_SIZE(audio_map),
5e64d6aa MLC	273	};
5e64d6aa MLC	274
7ff60006	275	static int omap_abe_probe(struct platform_device *pdev)
5e64d6aa	276	{
d1be1d2f	277	struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev);
5ef75e71	278	struct device_node *node = pdev->dev.of_node;
d1be1d2f	279	struct snd_soc_card *card = &omap_abe_card;
356bccbe	280	struct abe_twl6040 *priv;
c2f98956	281	int num_links = 0;
5ef75e71	282	int ret = 0;
5e64d6aa	283
d1be1d2f	284	card->dev = &pdev->dev;
5e64d6aa	285
356bccbe PU	286	priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL);
	287	if (priv == NULL)
	288	return -ENOMEM;
	289
5ef75e71 PU	290	priv->dmic_codec_dev = ERR_PTR(-EINVAL);
	291
	292	if (node) {
	293	struct device_node *dai_node;
	294
	295	if (snd_soc_of_parse_card_name(card, "ti,model")) {
	296	dev_err(&pdev->dev, "Card name is not provided\n");
	297	return -ENODEV;
	298	}
	299
	300	ret = snd_soc_of_parse_audio_routing(card,
	301	"ti,audio-routing");
	302	if (ret) {
	303	dev_err(&pdev->dev,
	304	"Error while parsing DAPM routing\n");
	305	return ret;
	306	}
	307
	308	dai_node = of_parse_phandle(node, "ti,mcpdm", 0);
	309	if (!dai_node) {
	310	dev_err(&pdev->dev, "McPDM node is not provided\n");
	311	return -EINVAL;
	312	}
	313	abe_twl6040_dai_links[0].cpu_dai_name = NULL;
	314	abe_twl6040_dai_links[0].cpu_of_node = dai_node;
	315
	316	dai_node = of_parse_phandle(node, "ti,dmic", 0);
	317	if (dai_node) {
	318	num_links = 2;
	319	abe_twl6040_dai_links[1].cpu_dai_name = NULL;
	320	abe_twl6040_dai_links[1].cpu_of_node = dai_node;
	321
	322	priv->dmic_codec_dev = platform_device_register_simple(
	323	"dmic-codec", -1, NULL, 0);
	324	if (IS_ERR(priv->dmic_codec_dev)) {
	325	dev_err(&pdev->dev,
	326	"Can't instantiate dmic-codec\n");
	327	return PTR_ERR(priv->dmic_codec_dev);
	328	}
	329	} else {
	330	num_links = 1;
	331	}
	332
1c08e7e3 PU	333	priv->jack_detection = of_property_read_bool(node,
1c08e7e3 PU	334	"ti,jack-detection");
5ef75e71 PU	335	of_property_read_u32(node, "ti,mclk-freq",
	336	&priv->mclk_freq);
	337	if (!priv->mclk_freq) {
	338	dev_err(&pdev->dev, "MCLK frequency not provided\n");
	339	ret = -EINVAL;
	340	goto err_unregister;
	341	}
	342
	343	omap_abe_card.fully_routed = 1;
	344	} else if (pdata) {
	345	if (pdata->card_name) {
	346	card->name = pdata->card_name;
	347	} else {
	348	dev_err(&pdev->dev, "Card name is not provided\n");
	349	return -ENODEV;
	350	}
	351
	352	if (pdata->has_dmic)
	353	num_links = 2;
	354	else
	355	num_links = 1;
	356
	357	priv->jack_detection = pdata->jack_detection;
	358	priv->mclk_freq = pdata->mclk_freq;
d1be1d2f	359	} else {
5ef75e71	360	dev_err(&pdev->dev, "Missing pdata\n");
d1be1d2f PU	361	return -ENODEV;
d1be1d2f PU	362	}
5e64d6aa	363
356bccbe PU	364
356bccbe PU	365	if (!priv->mclk_freq) {
62ba98ce	366	dev_err(&pdev->dev, "MCLK frequency missing\n");
5ef75e71 PU	367	ret = -ENODEV;
5ef75e71 PU	368	goto err_unregister;
62ba98ce PU	369	}
62ba98ce PU	370
c2f98956 PU	371	card->dai_link = abe_twl6040_dai_links;
c2f98956 PU	372	card->num_links = num_links;
8d946dd7	373
356bccbe PU	374	snd_soc_card_set_drvdata(card, priv);
356bccbe PU	375
d1be1d2f	376	ret = snd_soc_register_card(card);
5ef75e71	377	if (ret) {
d1be1d2f PU	378	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
d1be1d2f PU	379	ret);
5ef75e71 PU	380	goto err_unregister;
	381	}
	382
	383	return 0;
	384
	385	err_unregister:
	386	if (!IS_ERR(priv->dmic_codec_dev))
	387	platform_device_unregister(priv->dmic_codec_dev);
5e64d6aa	388
5e64d6aa MLC	389	return ret;
5e64d6aa MLC	390	}
5e64d6aa	391
7ff60006	392	static int omap_abe_remove(struct platform_device *pdev)
5e64d6aa	393	{
d1be1d2f	394	struct snd_soc_card *card = platform_get_drvdata(pdev);
5ef75e71	395	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
d1be1d2f PU	396
	397	snd_soc_unregister_card(card);
	398
5ef75e71 PU	399	if (!IS_ERR(priv->dmic_codec_dev))
	400	platform_device_unregister(priv->dmic_codec_dev);
	401
d1be1d2f	402	return 0;
5e64d6aa	403	}
d1be1d2f	404
5ef75e71 PU	405	static const struct of_device_id omap_abe_of_match[] = {
	406	{.compatible = "ti,abe-twl6040", },
	407	{ },
	408	};
	409	MODULE_DEVICE_TABLE(of, omap_abe_of_match);
	410
d1be1d2f PU	411	static struct platform_driver omap_abe_driver = {
	412	.driver = {
	413	.name = "omap-abe-twl6040",
	414	.owner = THIS_MODULE,
	415	.pm = &snd_soc_pm_ops,
5ef75e71	416	.of_match_table = omap_abe_of_match,
d1be1d2f PU	417	},
d1be1d2f PU	418	.probe = omap_abe_probe,
7ff60006	419	.remove = omap_abe_remove,
d1be1d2f PU	420	};
	421
	422	module_platform_driver(omap_abe_driver);
5e64d6aa	423
8747a6b7	424	MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
13f81d65	425	MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
5e64d6aa	426	MODULE_LICENSE("GPL");
d1be1d2f	427	MODULE_ALIAS("platform:omap-abe-twl6040");