[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 <linux/mfd/twl6040.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>
fb34d3d5 MLC	24	#include <linux/mfd/twl6040.h>
fb34d3d5 MLC	25
5e64d6aa MLC	26	#include <sound/core.h>
	27	#include <sound/pcm.h>
	28	#include <sound/soc.h>
96dc227c	29	#include <sound/jack.h>
5e64d6aa MLC	30
	31	#include <asm/mach-types.h>
	32	#include <plat/hardware.h>
	33	#include <plat/mux.h>
	34
	35	#include "mcpdm.h"
5e64d6aa MLC	36	#include "omap-pcm.h"
	37	#include "../codecs/twl6040.h"
	38
	39	static int twl6040_power_mode;
	40
	41	static int sdp4430_hw_params(struct snd_pcm_substream *substream,
	42	struct snd_pcm_hw_params *params)
	43	{
	44	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	45	struct snd_soc_dai *codec_dai = rtd->codec_dai;
5e64d6aa MLC	46	int clk_id, freq;
	47	int ret;
	48
	49	if (twl6040_power_mode) {
	50	clk_id = TWL6040_SYSCLK_SEL_HPPLL;
	51	freq = 38400000;
	52	} else {
	53	clk_id = TWL6040_SYSCLK_SEL_LPPLL;
	54	freq = 32768;
	55	}
	56
	57	/* set the codec mclk */
	58	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
	59	SND_SOC_CLOCK_IN);
	60	if (ret) {
	61	printk(KERN_ERR "can't set codec system clock\n");
	62	return ret;
	63	}
f0fba2ad	64	return ret;
5e64d6aa MLC	65	}
	66
	67	static struct snd_soc_ops sdp4430_ops = {
	68	.hw_params = sdp4430_hw_params,
	69	};
	70
96dc227c JEC	71	/* Headset jack */
	72	static struct snd_soc_jack hs_jack;
	73
	74	/Headset jack detection DAPM pins /
	75	static struct snd_soc_jack_pin hs_jack_pins[] = {
	76	{
	77	.pin = "Headset Mic",
	78	.mask = SND_JACK_MICROPHONE,
	79	},
	80	{
	81	.pin = "Headset Stereophone",
	82	.mask = SND_JACK_HEADPHONE,
	83	},
	84	};
	85
5e64d6aa MLC	86	static int sdp4430_get_power_mode(struct snd_kcontrol *kcontrol,
	87	struct snd_ctl_elem_value *ucontrol)
	88	{
	89	ucontrol->value.integer.value[0] = twl6040_power_mode;
	90	return 0;
	91	}
	92
	93	static int sdp4430_set_power_mode(struct snd_kcontrol *kcontrol,
	94	struct snd_ctl_elem_value *ucontrol)
	95	{
	96	if (twl6040_power_mode == ucontrol->value.integer.value[0])
	97	return 0;
	98
	99	twl6040_power_mode = ucontrol->value.integer.value[0];
	100
	101	return 1;
	102	}
	103
	104	static const char *power_texts[] = {"Low-Power", "High-Performance"};
	105
	106	static const struct soc_enum sdp4430_enum[] = {
	107	SOC_ENUM_SINGLE_EXT(2, power_texts),
	108	};
	109
	110	static const struct snd_kcontrol_new sdp4430_controls[] = {
	111	SOC_ENUM_EXT("TWL6040 Power Mode", sdp4430_enum[0],
	112	sdp4430_get_power_mode, sdp4430_set_power_mode),
	113	};
	114
	115	/* SDP4430 machine DAPM */
	116	static const struct snd_soc_dapm_widget sdp4430_twl6040_dapm_widgets[] = {
	117	SND_SOC_DAPM_MIC("Ext Mic", NULL),
	118	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	119	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	120	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
7254e2bd	121	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
23ac3b61	122	SND_SOC_DAPM_INPUT("Aux/FM Stereo In"),
5e64d6aa MLC	123	};
	124
	125	static const struct snd_soc_dapm_route audio_map[] = {
	126	/* External Mics: MAINMIC, SUBMIC with bias*/
	127	{"MAINMIC", NULL, "Main Mic Bias"},
	128	{"SUBMIC", NULL, "Main Mic Bias"},
	129	{"Main Mic Bias", NULL, "Ext Mic"},
	130
	131	/* External Speakers: HFL, HFR */
	132	{"Ext Spk", NULL, "HFL"},
	133	{"Ext Spk", NULL, "HFR"},
	134
	135	/* Headset Mic: HSMIC with bias */
	136	{"HSMIC", NULL, "Headset Mic Bias"},
	137	{"Headset Mic Bias", NULL, "Headset Mic"},
	138
	139	/* Headset Stereophone (Headphone): HSOL, HSOR */
	140	{"Headset Stereophone", NULL, "HSOL"},
	141	{"Headset Stereophone", NULL, "HSOR"},
7254e2bd JEC	142
	143	/* Earphone speaker */
	144	{"Earphone Spk", NULL, "EP"},
23ac3b61 JEC	145
	146	/* Aux/FM Stereo In: AFML, AFMR */
	147	{"AFML", NULL, "Aux/FM Stereo In"},
	148	{"AFMR", NULL, "Aux/FM Stereo In"},
5e64d6aa MLC	149	};
5e64d6aa MLC	150
f0fba2ad	151	static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd)
5e64d6aa	152	{
f0fba2ad	153	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	154	struct snd_soc_dapm_context *dapm = &codec->dapm;
5e64d6aa MLC	155	int ret;
	156
	157	/* Add SDP4430 specific controls */
	158	ret = snd_soc_add_controls(codec, sdp4430_controls,
	159	ARRAY_SIZE(sdp4430_controls));
	160	if (ret)
	161	return ret;
	162
	163	/* Add SDP4430 specific widgets */
ce6120cc	164	ret = snd_soc_dapm_new_controls(dapm, sdp4430_twl6040_dapm_widgets,
5e64d6aa MLC	165	ARRAY_SIZE(sdp4430_twl6040_dapm_widgets));
	166	if (ret)
	167	return ret;
	168
	169	/* Set up SDP4430 specific audio path audio_map */
ce6120cc	170	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
5e64d6aa MLC	171
5e64d6aa MLC	172	/* SDP4430 connected pins */
ce6120cc LG	173	snd_soc_dapm_enable_pin(dapm, "Ext Mic");
ce6120cc LG	174	snd_soc_dapm_enable_pin(dapm, "Ext Spk");
23ac3b61 JEC	175	snd_soc_dapm_enable_pin(dapm, "AFML");
23ac3b61 JEC	176	snd_soc_dapm_enable_pin(dapm, "AFMR");
ce6120cc LG	177	snd_soc_dapm_enable_pin(dapm, "Headset Mic");
ce6120cc LG	178	snd_soc_dapm_enable_pin(dapm, "Headset Stereophone");
5e64d6aa	179
ce6120cc	180	ret = snd_soc_dapm_sync(dapm);
96dc227c JEC	181	if (ret)
	182	return ret;
	183
	184	/* Headset jack detection */
	185	ret = snd_soc_jack_new(codec, "Headset Jack",
	186	SND_JACK_HEADSET, &hs_jack);
	187	if (ret)
	188	return ret;
	189
	190	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
	191	hs_jack_pins);
	192
	193	if (machine_is_omap_4430sdp())
	194	twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
	195	else
	196	snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, SND_JACK_HEADSET);
5e64d6aa MLC	197
	198	return ret;
	199	}
	200
	201	/* Digital audio interface glue - connects codec <--> CPU */
	202	static struct snd_soc_dai_link sdp4430_dai = {
	203	.name = "TWL6040",
	204	.stream_name = "TWL6040",
f0fba2ad LG	205	.cpu_dai_name ="omap-mcpdm-dai",
	206	.codec_dai_name = "twl6040-hifi",
	207	.platform_name = "omap-pcm-audio",
	208	.codec_name = "twl6040-codec",
5e64d6aa	209	.init = sdp4430_twl6040_init,
d8b55d2c	210	.ops = &sdp4430_ops,
5e64d6aa MLC	211	};
	212
	213	/* Audio machine driver */
	214	static struct snd_soc_card snd_soc_sdp4430 = {
	215	.name = "SDP4430",
5e64d6aa MLC	216	.dai_link = &sdp4430_dai,
	217	.num_links = 1,
	218	};
	219
5e64d6aa MLC	220	static struct platform_device *sdp4430_snd_device;
	221
	222	static int __init sdp4430_soc_init(void)
	223	{
	224	int ret;
	225
ec588ae6	226	if (!machine_is_omap_4430sdp())
5e64d6aa	227	return -ENODEV;
5e64d6aa MLC	228	printk(KERN_INFO "SDP4430 SoC init\n");
	229
	230	sdp4430_snd_device = platform_device_alloc("soc-audio", -1);
	231	if (!sdp4430_snd_device) {
	232	printk(KERN_ERR "Platform device allocation failed\n");
	233	return -ENOMEM;
	234	}
	235
f0fba2ad	236	platform_set_drvdata(sdp4430_snd_device, &snd_soc_sdp4430);
5e64d6aa MLC	237
	238	ret = platform_device_add(sdp4430_snd_device);
	239	if (ret)
	240	goto err;
	241
	242	/* Codec starts in HP mode */
	243	twl6040_power_mode = 1;
	244
	245	return 0;
	246
	247	err:
	248	printk(KERN_ERR "Unable to add platform device\n");
	249	platform_device_put(sdp4430_snd_device);
	250	return ret;
	251	}
	252	module_init(sdp4430_soc_init);
	253
	254	static void __exit sdp4430_soc_exit(void)
	255	{
	256	platform_device_unregister(sdp4430_snd_device);
	257	}
	258	module_exit(sdp4430_soc_exit);
	259
	260	MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>");
	261	MODULE_DESCRIPTION("ALSA SoC SDP4430");
	262	MODULE_LICENSE("GPL");
	263