[deliverable/linux.git] / sound / soc / omap / sdp3430.c

/*
 * sdp3430.c  --  SoC audio for TI OMAP3430 SDP
 *
 * Author: Misael Lopez Cruz <x0052729@ti.com>
 *
 * Based on:
 * Author: Steve Sakoman <steve@sakoman.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/soc-dapm.h>
#include <sound/jack.h>

#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <mach/gpio.h>
#include <mach/mcbsp.h>

#include "omap-mcbsp.h"
#include "omap-pcm.h"
#include "../codecs/twl4030.h"

static struct snd_soc_card snd_soc_sdp3430;

static int sdp3430_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->dai->codec_dai;
	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
	int ret;

	/* Set codec DAI configuration */
	ret = snd_soc_dai_set_fmt(codec_dai,
				  SND_SOC_DAIFMT_I2S |
				  SND_SOC_DAIFMT_NB_NF |
				  SND_SOC_DAIFMT_CBM_CFM);
	if (ret < 0) {
		printk(KERN_ERR "can't set codec DAI configuration\n");
		return ret;
	}

	/* Set cpu DAI configuration */
	ret = snd_soc_dai_set_fmt(cpu_dai,
				  SND_SOC_DAIFMT_I2S |
				  SND_SOC_DAIFMT_NB_NF |
				  SND_SOC_DAIFMT_CBM_CFM);
	if (ret < 0) {
		printk(KERN_ERR "can't set cpu DAI configuration\n");
		return ret;
	}

	/* Set the codec system clock for DAC and ADC */
	ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000,
					    SND_SOC_CLOCK_IN);
	if (ret < 0) {
		printk(KERN_ERR "can't set codec system clock\n");
		return ret;
	}

	return 0;
}

static struct snd_soc_ops sdp3430_ops = {
	.hw_params = sdp3430_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 Jack",
		.mask = SND_JACK_HEADSET,
	},
};

/* Headset jack detection gpios */
static struct snd_soc_jack_gpio hs_jack_gpios[] = {
	{
		.gpio = (OMAP_MAX_GPIO_LINES + 2),
		.name = "hsdet-gpio",
		.report = SND_JACK_HEADSET,
		.debounce_time = 200,
	},
};

/* SDP3430 machine DAPM */
static const struct snd_soc_dapm_widget sdp3430_twl4030_dapm_widgets[] = {
	SND_SOC_DAPM_MIC("Ext Mic", NULL),
	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	SND_SOC_DAPM_HP("Headset Jack", NULL),
};

static const struct snd_soc_dapm_route audio_map[] = {
	/* External Mics: MAINMIC, SUBMIC with bias*/
	{"MAINMIC", NULL, "Mic Bias 1"},
	{"SUBMIC", NULL, "Mic Bias 2"},
	{"Mic Bias 1", NULL, "Ext Mic"},
	{"Mic Bias 2", NULL, "Ext Mic"},

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

	/* Headset: HSMIC (with bias), HSOL, HSOR */
	{"Headset Jack", NULL, "HSOL"},
	{"Headset Jack", NULL, "HSOR"},
	{"HSMIC", NULL, "Headset Mic Bias"},
	{"Headset Mic Bias", NULL, "Headset Jack"},
};

static int sdp3430_twl4030_init(struct snd_soc_codec *codec)
{
	int ret;

	/* Add SDP3430 specific widgets */
	ret = snd_soc_dapm_new_controls(codec, sdp3430_twl4030_dapm_widgets,
				ARRAY_SIZE(sdp3430_twl4030_dapm_widgets));
	if (ret)
		return ret;

	/* Set up SDP3430 specific audio path audio_map */
	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));

	/* SDP3430 connected pins */
	snd_soc_dapm_enable_pin(codec, "Ext Mic");
	snd_soc_dapm_enable_pin(codec, "Ext Spk");
	snd_soc_dapm_disable_pin(codec, "Headset Jack");

	/* TWL4030 not connected pins */
	snd_soc_dapm_nc_pin(codec, "AUXL");
	snd_soc_dapm_nc_pin(codec, "AUXR");
	snd_soc_dapm_nc_pin(codec, "CARKITMIC");
	snd_soc_dapm_nc_pin(codec, "DIGIMIC0");
	snd_soc_dapm_nc_pin(codec, "DIGIMIC1");

	snd_soc_dapm_nc_pin(codec, "OUTL");
	snd_soc_dapm_nc_pin(codec, "OUTR");
	snd_soc_dapm_nc_pin(codec, "EARPIECE");
	snd_soc_dapm_nc_pin(codec, "PREDRIVEL");
	snd_soc_dapm_nc_pin(codec, "PREDRIVER");
	snd_soc_dapm_nc_pin(codec, "CARKITL");
	snd_soc_dapm_nc_pin(codec, "CARKITR");

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

	/* Headset jack detection */
	ret = snd_soc_jack_new(&snd_soc_sdp3430, "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 (ret)
		return ret;

	ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
				hs_jack_gpios);

	return ret;
}

/* Digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link sdp3430_dai = {
	.name = "TWL4030",
	.stream_name = "TWL4030",
	.cpu_dai = &omap_mcbsp_dai[0],
	.codec_dai = &twl4030_dai,
	.init = sdp3430_twl4030_init,
	.ops = &sdp3430_ops,
};

/* Audio machine driver */
static struct snd_soc_card snd_soc_sdp3430 = {
	.name = "SDP3430",
	.platform = &omap_soc_platform,
	.dai_link = &sdp3430_dai,
	.num_links = 1,
};

/* Audio subsystem */
static struct snd_soc_device sdp3430_snd_devdata = {
	.card = &snd_soc_sdp3430,
	.codec_dev = &soc_codec_dev_twl4030,
};

static struct platform_device *sdp3430_snd_device;

static int __init sdp3430_soc_init(void)
{
	int ret;

	if (!machine_is_omap_3430sdp()) {
		pr_debug("Not SDP3430!\n");
		return -ENODEV;
	}
	printk(KERN_INFO "SDP3430 SoC init\n");

	sdp3430_snd_device = platform_device_alloc("soc-audio", -1);
	if (!sdp3430_snd_device) {
		printk(KERN_ERR "Platform device allocation failed\n");
		return -ENOMEM;
	}

	platform_set_drvdata(sdp3430_snd_device, &sdp3430_snd_devdata);
	sdp3430_snd_devdata.dev = &sdp3430_snd_device->dev;
	*(unsigned int *)sdp3430_dai.cpu_dai->private_data = 1; /* McBSP2 */

	ret = platform_device_add(sdp3430_snd_device);
	if (ret)
		goto err1;

	return 0;

err1:
	printk(KERN_ERR "Unable to add platform device\n");
	platform_device_put(sdp3430_snd_device);

	return ret;
}
module_init(sdp3430_soc_init);

static void __exit sdp3430_soc_exit(void)
{
	snd_soc_jack_free_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
				hs_jack_gpios);

	platform_device_unregister(sdp3430_snd_device);
}
module_exit(sdp3430_soc_exit);

MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>");
MODULE_DESCRIPTION("ALSA SoC SDP3430");
MODULE_LICENSE("GPL");
Commit	Line	Data
4451582f MLC	1	/*
	2	* sdp3430.c -- SoC audio for TI OMAP3430 SDP
	3	*
	4	* Author: Misael Lopez Cruz <x0052729@ti.com>
	5	*
	6	* Based on:
	7	* Author: Steve Sakoman <steve@sakoman.com>
	8	*
	9	* This program is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU General Public License
	11	* version 2 as published by the Free Software Foundation.
	12	*
	13	* This program is distributed in the hope that it will be useful, but
	14	* WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	16	* General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	21	* 02110-1301 USA
	22	*
	23	*/
	24
	25	#include <linux/clk.h>
	26	#include <linux/platform_device.h>
	27	#include <sound/core.h>
	28	#include <sound/pcm.h>
	29	#include <sound/soc.h>
	30	#include <sound/soc-dapm.h>
de0b9888	31	#include <sound/jack.h>
4451582f MLC	32
	33	#include <asm/mach-types.h>
	34	#include <mach/hardware.h>
	35	#include <mach/gpio.h>
	36	#include <mach/mcbsp.h>
	37
	38	#include "omap-mcbsp.h"
	39	#include "omap-pcm.h"
	40	#include "../codecs/twl4030.h"
	41
77dd7e17 LCM	42	static struct snd_soc_card snd_soc_sdp3430;
77dd7e17 LCM	43
4451582f MLC	44	static int sdp3430_hw_params(struct snd_pcm_substream *substream,
	45	struct snd_pcm_hw_params *params)
	46	{
	47	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	48	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
	49	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
	50	int ret;
	51
	52	/* Set codec DAI configuration */
	53	ret = snd_soc_dai_set_fmt(codec_dai,
	54	SND_SOC_DAIFMT_I2S \|
	55	SND_SOC_DAIFMT_NB_NF \|
	56	SND_SOC_DAIFMT_CBM_CFM);
	57	if (ret < 0) {
	58	printk(KERN_ERR "can't set codec DAI configuration\n");
	59	return ret;
	60	}
	61
	62	/* Set cpu DAI configuration */
	63	ret = snd_soc_dai_set_fmt(cpu_dai,
	64	SND_SOC_DAIFMT_I2S \|
	65	SND_SOC_DAIFMT_NB_NF \|
	66	SND_SOC_DAIFMT_CBM_CFM);
	67	if (ret < 0) {
	68	printk(KERN_ERR "can't set cpu DAI configuration\n");
	69	return ret;
	70	}
	71
	72	/* Set the codec system clock for DAC and ADC */
	73	ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000,
	74	SND_SOC_CLOCK_IN);
	75	if (ret < 0) {
	76	printk(KERN_ERR "can't set codec system clock\n");
	77	return ret;
	78	}
	79
	80	return 0;
	81	}
	82
	83	static struct snd_soc_ops sdp3430_ops = {
	84	.hw_params = sdp3430_hw_params,
	85	};
	86
77dd7e17 LCM	87	/* Headset jack */
	88	static struct snd_soc_jack hs_jack;
	89
	90	/* Headset jack detection DAPM pins */
	91	static struct snd_soc_jack_pin hs_jack_pins[] = {
	92	{
	93	.pin = "Headset Jack",
	94	.mask = SND_JACK_HEADSET,
	95	},
	96	};
	97
	98	/* Headset jack detection gpios */
	99	static struct snd_soc_jack_gpio hs_jack_gpios[] = {
	100	{
	101	.gpio = (OMAP_MAX_GPIO_LINES + 2),
	102	.name = "hsdet-gpio",
	103	.report = SND_JACK_HEADSET,
	104	.debounce_time = 200,
	105	},
	106	};
	107
979c036e LCM	108	/* SDP3430 machine DAPM */
	109	static const struct snd_soc_dapm_widget sdp3430_twl4030_dapm_widgets[] = {
	110	SND_SOC_DAPM_MIC("Ext Mic", NULL),
	111	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	112	SND_SOC_DAPM_HP("Headset Jack", NULL),
	113	};
	114
	115	static const struct snd_soc_dapm_route audio_map[] = {
	116	/* External Mics: MAINMIC, SUBMIC with bias*/
	117	{"MAINMIC", NULL, "Mic Bias 1"},
	118	{"SUBMIC", NULL, "Mic Bias 2"},
	119	{"Mic Bias 1", NULL, "Ext Mic"},
	120	{"Mic Bias 2", NULL, "Ext Mic"},
	121
	122	/* External Speakers: HFL, HFR */
	123	{"Ext Spk", NULL, "HFL"},
	124	{"Ext Spk", NULL, "HFR"},
	125
	126	/* Headset: HSMIC (with bias), HSOL, HSOR */
	127	{"Headset Jack", NULL, "HSOL"},
	128	{"Headset Jack", NULL, "HSOR"},
	129	{"HSMIC", NULL, "Headset Mic Bias"},
	130	{"Headset Mic Bias", NULL, "Headset Jack"},
	131	};
	132
	133	static int sdp3430_twl4030_init(struct snd_soc_codec *codec)
	134	{
	135	int ret;
	136
	137	/* Add SDP3430 specific widgets */
	138	ret = snd_soc_dapm_new_controls(codec, sdp3430_twl4030_dapm_widgets,
	139	ARRAY_SIZE(sdp3430_twl4030_dapm_widgets));
	140	if (ret)
	141	return ret;
	142
	143	/* Set up SDP3430 specific audio path audio_map */
	144	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
	145
	146	/* SDP3430 connected pins */
	147	snd_soc_dapm_enable_pin(codec, "Ext Mic");
	148	snd_soc_dapm_enable_pin(codec, "Ext Spk");
de0b9888	149	snd_soc_dapm_disable_pin(codec, "Headset Jack");
979c036e LCM	150
	151	/* TWL4030 not connected pins */
	152	snd_soc_dapm_nc_pin(codec, "AUXL");
	153	snd_soc_dapm_nc_pin(codec, "AUXR");
	154	snd_soc_dapm_nc_pin(codec, "CARKITMIC");
	155	snd_soc_dapm_nc_pin(codec, "DIGIMIC0");
	156	snd_soc_dapm_nc_pin(codec, "DIGIMIC1");
	157
	158	snd_soc_dapm_nc_pin(codec, "OUTL");
	159	snd_soc_dapm_nc_pin(codec, "OUTR");
	160	snd_soc_dapm_nc_pin(codec, "EARPIECE");
	161	snd_soc_dapm_nc_pin(codec, "PREDRIVEL");
	162	snd_soc_dapm_nc_pin(codec, "PREDRIVER");
	163	snd_soc_dapm_nc_pin(codec, "CARKITL");
	164	snd_soc_dapm_nc_pin(codec, "CARKITR");
	165
	166	ret = snd_soc_dapm_sync(codec);
77dd7e17 LCM	167	if (ret)
77dd7e17 LCM	168	return ret;
979c036e	169
77dd7e17 LCM	170	/* Headset jack detection */
	171	ret = snd_soc_jack_new(&snd_soc_sdp3430, "Headset Jack",
	172	SND_JACK_HEADSET, &hs_jack);
	173	if (ret)
	174	return ret;
979c036e	175
77dd7e17 LCM	176	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
	177	hs_jack_pins);
	178	if (ret)
	179	return ret;
de0b9888	180
77dd7e17 LCM	181	ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
77dd7e17 LCM	182	hs_jack_gpios);
de0b9888	183
77dd7e17 LCM	184	return ret;
77dd7e17 LCM	185	}
de0b9888	186
4451582f MLC	187	/* Digital audio interface glue - connects codec <--> CPU */
	188	static struct snd_soc_dai_link sdp3430_dai = {
	189	.name = "TWL4030",
	190	.stream_name = "TWL4030",
	191	.cpu_dai = &omap_mcbsp_dai[0],
	192	.codec_dai = &twl4030_dai,
979c036e	193	.init = sdp3430_twl4030_init,
4451582f MLC	194	.ops = &sdp3430_ops,
	195	};
	196
	197	/* Audio machine driver */
272edb00	198	static struct snd_soc_card snd_soc_sdp3430 = {
4451582f	199	.name = "SDP3430",
87689d56	200	.platform = &omap_soc_platform,
4451582f MLC	201	.dai_link = &sdp3430_dai,
	202	.num_links = 1,
	203	};
	204
	205	/* Audio subsystem */
	206	static struct snd_soc_device sdp3430_snd_devdata = {
272edb00	207	.card = &snd_soc_sdp3430,
4451582f MLC	208	.codec_dev = &soc_codec_dev_twl4030,
	209	};
	210
	211	static struct platform_device *sdp3430_snd_device;
	212
	213	static int __init sdp3430_soc_init(void)
	214	{
	215	int ret;
	216
	217	if (!machine_is_omap_3430sdp()) {
	218	pr_debug("Not SDP3430!\n");
	219	return -ENODEV;
	220	}
	221	printk(KERN_INFO "SDP3430 SoC init\n");
	222
	223	sdp3430_snd_device = platform_device_alloc("soc-audio", -1);
	224	if (!sdp3430_snd_device) {
	225	printk(KERN_ERR "Platform device allocation failed\n");
	226	return -ENOMEM;
	227	}
	228
	229	platform_set_drvdata(sdp3430_snd_device, &sdp3430_snd_devdata);
	230	sdp3430_snd_devdata.dev = &sdp3430_snd_device->dev;
	231	(unsigned int )sdp3430_dai.cpu_dai->private_data = 1; /* McBSP2 */
	232
	233	ret = platform_device_add(sdp3430_snd_device);
	234	if (ret)
	235	goto err1;
	236
77dd7e17	237	return 0;
4451582f MLC	238
	239	err1:
	240	printk(KERN_ERR "Unable to add platform device\n");
	241	platform_device_put(sdp3430_snd_device);
	242
	243	return ret;
	244	}
	245	module_init(sdp3430_soc_init);
	246
	247	static void __exit sdp3430_soc_exit(void)
	248	{
de0b9888 LCM	249	snd_soc_jack_free_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
	250	hs_jack_gpios);
	251
4451582f MLC	252	platform_device_unregister(sdp3430_snd_device);
	253	}
	254	module_exit(sdp3430_soc_exit);
	255
	256	MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>");
	257	MODULE_DESCRIPTION("ALSA SoC SDP3430");
	258	MODULE_LICENSE("GPL");
	259