[deliverable/linux.git] / sound / soc / omap / sdp4430.c

/*
 * sdp4430.c  --  SoC audio for TI OMAP4430 SDP
 *
 * Author: Misael Lopez Cruz <x0052729@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 <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 "mcpdm.h"
#include "omap-pcm.h"
#include "../codecs/twl6040.h"

static int twl6040_power_mode;

static int sdp4430_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;

	if (twl6040_power_mode) {
		clk_id = TWL6040_SYSCLK_SEL_HPPLL;
		freq = 38400000;
	} else {
		clk_id = TWL6040_SYSCLK_SEL_LPPLL;
		freq = 32768;
	}

	/* 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 sdp4430_ops = {
	.hw_params = sdp4430_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,
	},
};

static int sdp4430_get_power_mode(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = twl6040_power_mode;
	return 0;
}

static int sdp4430_set_power_mode(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	if (twl6040_power_mode == ucontrol->value.integer.value[0])
		return 0;

	twl6040_power_mode = ucontrol->value.integer.value[0];

	return 1;
}

static const char *power_texts[] = {"Low-Power", "High-Performance"};

static const struct soc_enum sdp4430_enum[] = {
	SOC_ENUM_SINGLE_EXT(2, power_texts),
};

static const struct snd_kcontrol_new sdp4430_controls[] = {
	SOC_ENUM_EXT("TWL6040 Power Mode", sdp4430_enum[0],
		sdp4430_get_power_mode, sdp4430_set_power_mode),
};

/* SDP4430 machine DAPM */
static const struct snd_soc_dapm_widget sdp4430_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("Aux/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, "Aux/FM Stereo In"},
	{"AFMR", NULL, "Aux/FM Stereo In"},
};

static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	int ret;

	/* Add SDP4430 specific controls */
	ret = snd_soc_add_controls(codec, sdp4430_controls,
				ARRAY_SIZE(sdp4430_controls));
	if (ret)
		return ret;

	/* Add SDP4430 specific widgets */
	ret = snd_soc_dapm_new_controls(dapm, sdp4430_twl6040_dapm_widgets,
				ARRAY_SIZE(sdp4430_twl6040_dapm_widgets));
	if (ret)
		return ret;

	/* Set up SDP4430 specific audio path audio_map */
	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));

	/* SDP4430 connected pins */
	snd_soc_dapm_enable_pin(dapm, "Ext Mic");
	snd_soc_dapm_enable_pin(dapm, "Ext Spk");
	snd_soc_dapm_enable_pin(dapm, "AFML");
	snd_soc_dapm_enable_pin(dapm, "AFMR");
	snd_soc_dapm_enable_pin(dapm, "Headset Mic");
	snd_soc_dapm_enable_pin(dapm, "Headset Stereophone");

	ret = snd_soc_dapm_sync(dapm);
	if (ret)
		return ret;

	/* 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;
}

/* 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-dai",
	.codec_dai_name = "twl6040-hifi",
	.platform_name = "omap-pcm-audio",
	.codec_name = "twl6040-codec",
	.init = sdp4430_twl6040_init,
	.ops = &sdp4430_ops,
};

/* Audio machine driver */
static struct snd_soc_card snd_soc_sdp4430 = {
	.name = "SDP4430",
	.dai_link = &sdp4430_dai,
	.num_links = 1,
};

static struct platform_device *sdp4430_snd_device;

static int __init sdp4430_soc_init(void)
{
	int ret;

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

	sdp4430_snd_device = platform_device_alloc("soc-audio", -1);
	if (!sdp4430_snd_device) {
		printk(KERN_ERR "Platform device allocation failed\n");
		return -ENOMEM;
	}

	platform_set_drvdata(sdp4430_snd_device, &snd_soc_sdp4430);

	ret = platform_device_add(sdp4430_snd_device);
	if (ret)
		goto err;

	/* Codec starts in HP mode */
	twl6040_power_mode = 1;

	return 0;

err:
	printk(KERN_ERR "Unable to add platform device\n");
	platform_device_put(sdp4430_snd_device);
	return ret;
}
module_init(sdp4430_soc_init);

static void __exit sdp4430_soc_exit(void)
{
	platform_device_unregister(sdp4430_snd_device);
}
module_exit(sdp4430_soc_exit);

MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>");
MODULE_DESCRIPTION("ALSA SoC SDP4430");
MODULE_LICENSE("GPL");
Commit	Line	Data
5e64d6aa MLC	1	/*
	2	* sdp4430.c -- SoC audio for TI OMAP4430 SDP
	3	*
	4	* Author: Misael Lopez Cruz <x0052729@ti.com>
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU General Public License
	8	* version 2 as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful, but
	11	* WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	18	* 02110-1301 USA
	19	*
	20	*/
	21
	22	#include <linux/clk.h>
	23	#include <linux/platform_device.h>
	24	#include <sound/core.h>
	25	#include <sound/pcm.h>
	26	#include <sound/soc.h>
96dc227c	27	#include <sound/jack.h>
5e64d6aa MLC	28
	29	#include <asm/mach-types.h>
	30	#include <plat/hardware.h>
	31	#include <plat/mux.h>
	32
	33	#include "mcpdm.h"
5e64d6aa MLC	34	#include "omap-pcm.h"
	35	#include "../codecs/twl6040.h"
	36
	37	static int twl6040_power_mode;
	38
	39	static int sdp4430_hw_params(struct snd_pcm_substream *substream,
	40	struct snd_pcm_hw_params *params)
	41	{
	42	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	43	struct snd_soc_dai *codec_dai = rtd->codec_dai;
5e64d6aa MLC	44	int clk_id, freq;
	45	int ret;
	46
	47	if (twl6040_power_mode) {
	48	clk_id = TWL6040_SYSCLK_SEL_HPPLL;
	49	freq = 38400000;
	50	} else {
	51	clk_id = TWL6040_SYSCLK_SEL_LPPLL;
	52	freq = 32768;
	53	}
	54
	55	/* set the codec mclk */
	56	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
	57	SND_SOC_CLOCK_IN);
	58	if (ret) {
	59	printk(KERN_ERR "can't set codec system clock\n");
	60	return ret;
	61	}
f0fba2ad	62	return ret;
5e64d6aa MLC	63	}
	64
	65	static struct snd_soc_ops sdp4430_ops = {
	66	.hw_params = sdp4430_hw_params,
	67	};
	68
96dc227c JEC	69	/* Headset jack */
	70	static struct snd_soc_jack hs_jack;
	71
	72	/Headset jack detection DAPM pins /
	73	static struct snd_soc_jack_pin hs_jack_pins[] = {
	74	{
	75	.pin = "Headset Mic",
	76	.mask = SND_JACK_MICROPHONE,
	77	},
	78	{
	79	.pin = "Headset Stereophone",
	80	.mask = SND_JACK_HEADPHONE,
	81	},
	82	};
	83
5e64d6aa MLC	84	static int sdp4430_get_power_mode(struct snd_kcontrol *kcontrol,
	85	struct snd_ctl_elem_value *ucontrol)
	86	{
	87	ucontrol->value.integer.value[0] = twl6040_power_mode;
	88	return 0;
	89	}
	90
	91	static int sdp4430_set_power_mode(struct snd_kcontrol *kcontrol,
	92	struct snd_ctl_elem_value *ucontrol)
	93	{
	94	if (twl6040_power_mode == ucontrol->value.integer.value[0])
	95	return 0;
	96
	97	twl6040_power_mode = ucontrol->value.integer.value[0];
	98
	99	return 1;
	100	}
	101
	102	static const char *power_texts[] = {"Low-Power", "High-Performance"};
	103
	104	static const struct soc_enum sdp4430_enum[] = {
	105	SOC_ENUM_SINGLE_EXT(2, power_texts),
	106	};
	107
	108	static const struct snd_kcontrol_new sdp4430_controls[] = {
	109	SOC_ENUM_EXT("TWL6040 Power Mode", sdp4430_enum[0],
	110	sdp4430_get_power_mode, sdp4430_set_power_mode),
	111	};
	112
	113	/* SDP4430 machine DAPM */
	114	static const struct snd_soc_dapm_widget sdp4430_twl6040_dapm_widgets[] = {
	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),
23ac3b61	120	SND_SOC_DAPM_INPUT("Aux/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
	144	/* Aux/FM Stereo In: AFML, AFMR */
	145	{"AFML", NULL, "Aux/FM Stereo In"},
	146	{"AFMR", NULL, "Aux/FM Stereo In"},
5e64d6aa MLC	147	};
5e64d6aa MLC	148
f0fba2ad	149	static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd)
5e64d6aa	150	{
f0fba2ad	151	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	152	struct snd_soc_dapm_context *dapm = &codec->dapm;
5e64d6aa MLC	153	int ret;
	154
	155	/* Add SDP4430 specific controls */
	156	ret = snd_soc_add_controls(codec, sdp4430_controls,
	157	ARRAY_SIZE(sdp4430_controls));
	158	if (ret)
	159	return ret;
	160
	161	/* Add SDP4430 specific widgets */
ce6120cc	162	ret = snd_soc_dapm_new_controls(dapm, sdp4430_twl6040_dapm_widgets,
5e64d6aa MLC	163	ARRAY_SIZE(sdp4430_twl6040_dapm_widgets));
	164	if (ret)
	165	return ret;
	166
	167	/* Set up SDP4430 specific audio path audio_map */
ce6120cc	168	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
5e64d6aa MLC	169
5e64d6aa MLC	170	/* SDP4430 connected pins */
ce6120cc LG	171	snd_soc_dapm_enable_pin(dapm, "Ext Mic");
ce6120cc LG	172	snd_soc_dapm_enable_pin(dapm, "Ext Spk");
23ac3b61 JEC	173	snd_soc_dapm_enable_pin(dapm, "AFML");
23ac3b61 JEC	174	snd_soc_dapm_enable_pin(dapm, "AFMR");
ce6120cc LG	175	snd_soc_dapm_enable_pin(dapm, "Headset Mic");
ce6120cc LG	176	snd_soc_dapm_enable_pin(dapm, "Headset Stereophone");
5e64d6aa	177
ce6120cc	178	ret = snd_soc_dapm_sync(dapm);
96dc227c JEC	179	if (ret)
	180	return ret;
	181
	182	/* Headset jack detection */
	183	ret = snd_soc_jack_new(codec, "Headset Jack",
	184	SND_JACK_HEADSET, &hs_jack);
	185	if (ret)
	186	return ret;
	187
	188	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
	189	hs_jack_pins);
	190
	191	if (machine_is_omap_4430sdp())
	192	twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
	193	else
	194	snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, SND_JACK_HEADSET);
5e64d6aa MLC	195
	196	return ret;
	197	}
	198
	199	/* Digital audio interface glue - connects codec <--> CPU */
	200	static struct snd_soc_dai_link sdp4430_dai = {
	201	.name = "TWL6040",
	202	.stream_name = "TWL6040",
f0fba2ad LG	203	.cpu_dai_name ="omap-mcpdm-dai",
	204	.codec_dai_name = "twl6040-hifi",
	205	.platform_name = "omap-pcm-audio",
	206	.codec_name = "twl6040-codec",
5e64d6aa	207	.init = sdp4430_twl6040_init,
d8b55d2c	208	.ops = &sdp4430_ops,
5e64d6aa MLC	209	};
	210
	211	/* Audio machine driver */
	212	static struct snd_soc_card snd_soc_sdp4430 = {
	213	.name = "SDP4430",
5e64d6aa MLC	214	.dai_link = &sdp4430_dai,
	215	.num_links = 1,
	216	};
	217
5e64d6aa MLC	218	static struct platform_device *sdp4430_snd_device;
	219
	220	static int __init sdp4430_soc_init(void)
	221	{
	222	int ret;
	223
ec588ae6	224	if (!machine_is_omap_4430sdp())
5e64d6aa	225	return -ENODEV;
5e64d6aa MLC	226	printk(KERN_INFO "SDP4430 SoC init\n");
	227
	228	sdp4430_snd_device = platform_device_alloc("soc-audio", -1);
	229	if (!sdp4430_snd_device) {
	230	printk(KERN_ERR "Platform device allocation failed\n");
	231	return -ENOMEM;
	232	}
	233
f0fba2ad	234	platform_set_drvdata(sdp4430_snd_device, &snd_soc_sdp4430);
5e64d6aa MLC	235
	236	ret = platform_device_add(sdp4430_snd_device);
	237	if (ret)
	238	goto err;
	239
	240	/* Codec starts in HP mode */
	241	twl6040_power_mode = 1;
	242
	243	return 0;
	244
	245	err:
	246	printk(KERN_ERR "Unable to add platform device\n");
	247	platform_device_put(sdp4430_snd_device);
	248	return ret;
	249	}
	250	module_init(sdp4430_soc_init);
	251
	252	static void __exit sdp4430_soc_exit(void)
	253	{
	254	platform_device_unregister(sdp4430_snd_device);
	255	}
	256	module_exit(sdp4430_soc_exit);
	257
	258	MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>");
	259	MODULE_DESCRIPTION("ALSA SoC SDP4430");
	260	MODULE_LICENSE("GPL");
	261