[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/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"

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;
	int clk_id, freq;
	int ret;

	clk_id = twl6040_get_clk_id(rtd->codec);
	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
		freq = 38400000;
	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[] = {
	SND_SOC_DAPM_MIC("Ext Mic", NULL),
	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
	SND_SOC_DAPM_INPUT("FM Stereo In"),
};

static const struct snd_soc_dapm_route audio_map[] = {
	/* External Mics: MAINMIC, SUBMIC with bias*/
	{"MAINMIC", NULL, "Main Mic Bias"},
	{"SUBMIC", NULL, "Main Mic Bias"},
	{"Main Mic Bias", NULL, "Ext Mic"},

	/* External Speakers: HFL, HFR */
	{"Ext Spk", NULL, "HFL"},
	{"Ext Spk", NULL, "HFR"},

	/* Headset Mic: HSMIC with bias */
	{"HSMIC", NULL, "Headset Mic Bias"},
	{"Headset Mic Bias", NULL, "Headset Mic"},

	/* Headset Stereophone (Headphone): HSOL, HSOR */
	{"Headset Stereophone", NULL, "HSOL"},
	{"Headset Stereophone", NULL, "HSOR"},

	/* Earphone speaker */
	{"Earphone Spk", NULL, "EP"},

	/* Aux/FM Stereo In: AFML, AFMR */
	{"AFML", NULL, "FM Stereo In"},
	{"AFMR", NULL, "FM Stereo In"},
};

static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	int ret, hs_trim;

	/*
	 * 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 */
	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);

	if (machine_is_omap_4430sdp())
		twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
	else
		snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, SND_JACK_HEADSET);

	return ret;
}

static const struct snd_soc_dapm_widget dmic_dapm_widgets[] = {
	SND_SOC_DAPM_MIC("Digital Mic", NULL),
};

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

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;
	int ret;

	ret = snd_soc_dapm_new_controls(dapm, dmic_dapm_widgets,
				ARRAY_SIZE(dmic_dapm_widgets));
	if (ret)
		return ret;

	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 sdp4430_dai[] = {
	{
		.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 = {
	.name = "SDP4430",
	.owner = THIS_MODULE,
	.dai_link = sdp4430_dai,
	.num_links = ARRAY_SIZE(sdp4430_dai),

	.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 struct platform_device *omap_abe_snd_device;

static int __init omap_abe_soc_init(void)
{
	int ret;

	if (!machine_is_omap_4430sdp())
		return -ENODEV;
	printk(KERN_INFO "SDP4430 SoC init\n");

	omap_abe_snd_device = platform_device_alloc("soc-audio", -1);
	if (!omap_abe_snd_device) {
		printk(KERN_ERR "Platform device allocation failed\n");
		return -ENOMEM;
	}

	platform_set_drvdata(omap_abe_snd_device, &omap_abe_card);

	ret = platform_device_add(omap_abe_snd_device);
	if (ret)
		goto err;

	return 0;

err:
	printk(KERN_ERR "Unable to add platform device\n");
	platform_device_put(omap_abe_snd_device);
	return ret;
}
module_init(omap_abe_soc_init);

static void __exit omap_abe_soc_exit(void)
{
	platform_device_unregister(omap_abe_snd_device);
}
module_exit(omap_abe_soc_exit);

MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
MODULE_LICENSE("GPL");
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>
da155d5b	26	#include <linux/module.h>
fb34d3d5	27
5e64d6aa MLC	28	#include <sound/core.h>
	29	#include <sound/pcm.h>
	30	#include <sound/soc.h>
96dc227c	31	#include <sound/jack.h>
5e64d6aa MLC	32
	33	#include <asm/mach-types.h>
	34	#include <plat/hardware.h>
	35	#include <plat/mux.h>
	36
6524c8e3	37	#include "omap-dmic.h"
f5f9d7bf	38	#include "omap-mcpdm.h"
5e64d6aa MLC	39	#include "omap-pcm.h"
	40	#include "../codecs/twl6040.h"
	41
13f81d65	42	static int omap_abe_hw_params(struct snd_pcm_substream *substream,
5e64d6aa MLC	43	struct snd_pcm_hw_params *params)
	44	{
	45	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	46	struct snd_soc_dai *codec_dai = rtd->codec_dai;
5e64d6aa MLC	47	int clk_id, freq;
	48	int ret;
	49
af958c72 PU	50	clk_id = twl6040_get_clk_id(rtd->codec);
af958c72 PU	51	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
5e64d6aa	52	freq = 38400000;
af958c72	53	else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
5e64d6aa	54	freq = 32768;
af958c72 PU	55	else
af958c72 PU	56	return -EINVAL;
5e64d6aa MLC	57
	58	/* set the codec mclk */
	59	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
	60	SND_SOC_CLOCK_IN);
	61	if (ret) {
	62	printk(KERN_ERR "can't set codec system clock\n");
	63	return ret;
	64	}
f0fba2ad	65	return ret;
5e64d6aa MLC	66	}
5e64d6aa MLC	67
13f81d65 PU	68	static struct snd_soc_ops omap_abe_ops = {
13f81d65 PU	69	.hw_params = omap_abe_hw_params,
5e64d6aa MLC	70	};
5e64d6aa MLC	71
13f81d65	72	static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream,
6524c8e3 PU	73	struct snd_pcm_hw_params *params)
	74	{
	75	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	76	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	77	int ret = 0;
	78
	79	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
	80	19200000, SND_SOC_CLOCK_IN);
	81	if (ret < 0) {
	82	printk(KERN_ERR "can't set DMIC cpu system clock\n");
	83	return ret;
	84	}
	85	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
	86	SND_SOC_CLOCK_OUT);
	87	if (ret < 0) {
	88	printk(KERN_ERR "can't set DMIC output clock\n");
	89	return ret;
	90	}
	91	return 0;
	92	}
	93
13f81d65 PU	94	static struct snd_soc_ops omap_abe_dmic_ops = {
13f81d65 PU	95	.hw_params = omap_abe_dmic_hw_params,
6524c8e3 PU	96	};
6524c8e3 PU	97
96dc227c JEC	98	/* Headset jack */
	99	static struct snd_soc_jack hs_jack;
	100
	101	/Headset jack detection DAPM pins /
	102	static struct snd_soc_jack_pin hs_jack_pins[] = {
	103	{
	104	.pin = "Headset Mic",
	105	.mask = SND_JACK_MICROPHONE,
	106	},
	107	{
	108	.pin = "Headset Stereophone",
	109	.mask = SND_JACK_HEADPHONE,
	110	},
	111	};
	112
5e64d6aa	113	/* SDP4430 machine DAPM */
13f81d65	114	static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
5e64d6aa MLC	115	SND_SOC_DAPM_MIC("Ext Mic", NULL),
	116	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	117	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	118	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
7254e2bd	119	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
5382ffbb	120	SND_SOC_DAPM_INPUT("FM Stereo In"),
5e64d6aa MLC	121	};
	122
	123	static const struct snd_soc_dapm_route audio_map[] = {
	124	/* External Mics: MAINMIC, SUBMIC with bias*/
	125	{"MAINMIC", NULL, "Main Mic Bias"},
	126	{"SUBMIC", NULL, "Main Mic Bias"},
	127	{"Main Mic Bias", NULL, "Ext Mic"},
	128
	129	/* External Speakers: HFL, HFR */
	130	{"Ext Spk", NULL, "HFL"},
	131	{"Ext Spk", NULL, "HFR"},
	132
	133	/* Headset Mic: HSMIC with bias */
	134	{"HSMIC", NULL, "Headset Mic Bias"},
	135	{"Headset Mic Bias", NULL, "Headset Mic"},
	136
	137	/* Headset Stereophone (Headphone): HSOL, HSOR */
	138	{"Headset Stereophone", NULL, "HSOL"},
	139	{"Headset Stereophone", NULL, "HSOR"},
7254e2bd JEC	140
	141	/* Earphone speaker */
	142	{"Earphone Spk", NULL, "EP"},
23ac3b61 JEC	143
23ac3b61 JEC	144	/* Aux/FM Stereo In: AFML, AFMR */
5382ffbb UP	145	{"AFML", NULL, "FM Stereo In"},
5382ffbb UP	146	{"AFMR", NULL, "FM Stereo In"},
5e64d6aa MLC	147	};
5e64d6aa MLC	148
13f81d65	149	static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
5e64d6aa	150	{
f0fba2ad	151	struct snd_soc_codec *codec = rtd->codec;
7bf3d92c	152	int ret, hs_trim;
5e64d6aa	153
7bf3d92c PU	154	/*
	155	* Configure McPDM offset cancellation based on the HSOTRIM value from
	156	* twl6040.
	157	*/
	158	hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM);
	159	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
	160	TWL6040_HSF_TRIM_RIGHT(hs_trim));
	161
96dc227c JEC	162	/* Headset jack detection */
	163	ret = snd_soc_jack_new(codec, "Headset Jack",
	164	SND_JACK_HEADSET, &hs_jack);
	165	if (ret)
	166	return ret;
	167
	168	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
	169	hs_jack_pins);
	170
	171	if (machine_is_omap_4430sdp())
	172	twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
	173	else
	174	snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, SND_JACK_HEADSET);
5e64d6aa MLC	175
	176	return ret;
	177	}
	178
13f81d65	179	static const struct snd_soc_dapm_widget dmic_dapm_widgets[] = {
6524c8e3 PU	180	SND_SOC_DAPM_MIC("Digital Mic", NULL),
	181	};
	182
	183	static const struct snd_soc_dapm_route dmic_audio_map[] = {
	184	{"DMic", NULL, "Digital Mic1 Bias"},
	185	{"Digital Mic1 Bias", NULL, "Digital Mic"},
	186	};
	187
13f81d65	188	static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd)
6524c8e3 PU	189	{
	190	struct snd_soc_codec *codec = rtd->codec;
	191	struct snd_soc_dapm_context *dapm = &codec->dapm;
	192	int ret;
	193
13f81d65 PU	194	ret = snd_soc_dapm_new_controls(dapm, dmic_dapm_widgets,
13f81d65 PU	195	ARRAY_SIZE(dmic_dapm_widgets));
6524c8e3 PU	196	if (ret)
	197	return ret;
	198
	199	return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
	200	ARRAY_SIZE(dmic_audio_map));
	201	}
	202
5e64d6aa	203	/* Digital audio interface glue - connects codec <--> CPU */
6524c8e3 PU	204	static struct snd_soc_dai_link sdp4430_dai[] = {
	205	{
	206	.name = "TWL6040",
	207	.stream_name = "TWL6040",
	208	.cpu_dai_name = "omap-mcpdm",
	209	.codec_dai_name = "twl6040-legacy",
	210	.platform_name = "omap-pcm-audio",
	211	.codec_name = "twl6040-codec",
13f81d65 PU	212	.init = omap_abe_twl6040_init,
13f81d65 PU	213	.ops = &omap_abe_ops,
6524c8e3 PU	214	},
	215	{
	216	.name = "DMIC",
	217	.stream_name = "DMIC Capture",
	218	.cpu_dai_name = "omap-dmic",
	219	.codec_dai_name = "dmic-hifi",
	220	.platform_name = "omap-pcm-audio",
	221	.codec_name = "dmic-codec",
13f81d65 PU	222	.init = omap_abe_dmic_init,
13f81d65 PU	223	.ops = &omap_abe_dmic_ops,
6524c8e3	224	},
5e64d6aa MLC	225	};
	226
	227	/* Audio machine driver */
13f81d65	228	static struct snd_soc_card omap_abe_card = {
5e64d6aa	229	.name = "SDP4430",
b425b884	230	.owner = THIS_MODULE,
6524c8e3 PU	231	.dai_link = sdp4430_dai,
6524c8e3 PU	232	.num_links = ARRAY_SIZE(sdp4430_dai),
fc8e5b4c	233
13f81d65 PU	234	.dapm_widgets = twl6040_dapm_widgets,
13f81d65 PU	235	.num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
fc8e5b4c PU	236	.dapm_routes = audio_map,
fc8e5b4c PU	237	.num_dapm_routes = ARRAY_SIZE(audio_map),
5e64d6aa MLC	238	};
5e64d6aa MLC	239
13f81d65	240	static struct platform_device *omap_abe_snd_device;
5e64d6aa	241
13f81d65	242	static int __init omap_abe_soc_init(void)
5e64d6aa MLC	243	{
	244	int ret;
	245
ec588ae6	246	if (!machine_is_omap_4430sdp())
5e64d6aa	247	return -ENODEV;
5e64d6aa MLC	248	printk(KERN_INFO "SDP4430 SoC init\n");
5e64d6aa MLC	249
13f81d65 PU	250	omap_abe_snd_device = platform_device_alloc("soc-audio", -1);
13f81d65 PU	251	if (!omap_abe_snd_device) {
5e64d6aa MLC	252	printk(KERN_ERR "Platform device allocation failed\n");
	253	return -ENOMEM;
	254	}
	255
13f81d65	256	platform_set_drvdata(omap_abe_snd_device, &omap_abe_card);
5e64d6aa	257
13f81d65	258	ret = platform_device_add(omap_abe_snd_device);
5e64d6aa MLC	259	if (ret)
	260	goto err;
	261
5e64d6aa MLC	262	return 0;
	263
	264	err:
	265	printk(KERN_ERR "Unable to add platform device\n");
13f81d65	266	platform_device_put(omap_abe_snd_device);
5e64d6aa MLC	267	return ret;
5e64d6aa MLC	268	}
13f81d65	269	module_init(omap_abe_soc_init);
5e64d6aa	270
13f81d65	271	static void __exit omap_abe_soc_exit(void)
5e64d6aa	272	{
13f81d65	273	platform_device_unregister(omap_abe_snd_device);
5e64d6aa	274	}
13f81d65	275	module_exit(omap_abe_soc_exit);
5e64d6aa	276
8747a6b7	277	MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
13f81d65	278	MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
5e64d6aa MLC	279	MODULE_LICENSE("GPL");
5e64d6aa MLC	280