[mirror_ubuntu-bionic-kernel.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 <linux/i2c/twl.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 <plat/mcbsp.h>

/* Register descriptions for twl4030 codec part */
#include <linux/mfd/twl4030-codec.h>

#include "omap-mcbsp.h"
#include "omap-pcm.h"

/* TWL4030 PMBR1 Register */
#define TWL4030_INTBR_PMBR1		0x0D
/* TWL4030 PMBR1 Register GPIO6 mux bit */
#define TWL4030_GPIO6_PWM0_MUTE(value)	(value << 2)

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->codec_dai;
	struct snd_soc_dai *cpu_dai = rtd->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,
};

static int sdp3430_hw_voice_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_dai *cpu_dai = rtd->cpu_dai;
	int ret;

	/* Set codec DAI configuration */
	ret = snd_soc_dai_set_fmt(codec_dai,
				SND_SOC_DAIFMT_DSP_A |
				SND_SOC_DAIFMT_IB_NF |
				SND_SOC_DAIFMT_CBM_CFM);
	if (ret) {
		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_DSP_A |
				SND_SOC_DAIFMT_IB_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_voice_ops = {
	.hw_params = sdp3430_hw_voice_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,
	},
};

/* 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_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_HP("Headset Stereophone", 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 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"},
};

static int sdp3430_twl4030_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 SDP3430 specific widgets */
	ret = snd_soc_dapm_new_controls(dapm, 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(dapm, audio_map, ARRAY_SIZE(audio_map));

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

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

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

	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 (ret)
		return ret;

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

	return ret;
}

static int sdp3430_twl4030_voice_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	unsigned short reg;

	/* Enable voice interface */
	reg = codec->driver->read(codec, TWL4030_REG_VOICE_IF);
	reg |= TWL4030_VIF_DIN_EN | TWL4030_VIF_DOUT_EN | TWL4030_VIF_EN;
	codec->driver->write(codec, TWL4030_REG_VOICE_IF, reg);

	return 0;
}


/* Digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link sdp3430_dai[] = {
	{
		.name = "TWL4030 I2S",
		.stream_name = "TWL4030 Audio",
		.cpu_dai_name = "omap-mcbsp-dai.1",
		.codec_dai_name = "twl4030-hifi",
		.platform_name = "omap-pcm-audio",
		.codec_name = "twl4030-codec",
		.init = sdp3430_twl4030_init,
		.ops = &sdp3430_ops,
	},
	{
		.name = "TWL4030 PCM",
		.stream_name = "TWL4030 Voice",
		.cpu_dai_name = "omap-mcbsp-dai.2",
		.codec_dai_name = "twl4030-voice",
		.platform_name = "omap-pcm-audio",
		.codec_name = "twl4030-codec",
		.init = sdp3430_twl4030_voice_init,
		.ops = &sdp3430_voice_ops,
	},
};

/* Audio machine driver */
static struct snd_soc_card snd_soc_sdp3430 = {
	.name = "SDP3430",
	.dai_link = sdp3430_dai,
	.num_links = ARRAY_SIZE(sdp3430_dai),
};

static struct platform_device *sdp3430_snd_device;

static int __init sdp3430_soc_init(void)
{
	int ret;
	u8 pin_mux;

	if (!machine_is_omap_3430sdp())
		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, &snd_soc_sdp3430);

	/* Set TWL4030 GPIO6 as EXTMUTE signal */
	twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux,
						TWL4030_INTBR_PMBR1);
	pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03);
	pin_mux |= TWL4030_GPIO6_PWM0_MUTE(0x02);
	twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux,
						TWL4030_INTBR_PMBR1);

	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>
ebeb53e1	27	#include <linux/i2c/twl.h>
4451582f MLC	28	#include <sound/core.h>
	29	#include <sound/pcm.h>
	30	#include <sound/soc.h>
	31	#include <sound/soc-dapm.h>
de0b9888	32	#include <sound/jack.h>
4451582f MLC	33
	34	#include <asm/mach-types.h>
	35	#include <mach/hardware.h>
	36	#include <mach/gpio.h>
ce491cf8	37	#include <plat/mcbsp.h>
4451582f	38
f0fba2ad LG	39	/* Register descriptions for twl4030 codec part */
	40	#include <linux/mfd/twl4030-codec.h>
	41
4451582f MLC	42	#include "omap-mcbsp.h"
4451582f MLC	43	#include "omap-pcm.h"
4451582f	44
30cd0c4a CVJ	45	/* TWL4030 PMBR1 Register */
	46	#define TWL4030_INTBR_PMBR1 0x0D
	47	/* TWL4030 PMBR1 Register GPIO6 mux bit */
	48	#define TWL4030_GPIO6_PWM0_MUTE(value) (value << 2)
c5910a70	49
77dd7e17 LCM	50	static struct snd_soc_card snd_soc_sdp3430;
77dd7e17 LCM	51
4451582f MLC	52	static int sdp3430_hw_params(struct snd_pcm_substream *substream,
	53	struct snd_pcm_hw_params *params)
	54	{
	55	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	56	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	57	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
4451582f MLC	58	int ret;
	59
	60	/* Set codec DAI configuration */
	61	ret = snd_soc_dai_set_fmt(codec_dai,
	62	SND_SOC_DAIFMT_I2S \|
	63	SND_SOC_DAIFMT_NB_NF \|
	64	SND_SOC_DAIFMT_CBM_CFM);
	65	if (ret < 0) {
	66	printk(KERN_ERR "can't set codec DAI configuration\n");
	67	return ret;
	68	}
	69
	70	/* Set cpu DAI configuration */
	71	ret = snd_soc_dai_set_fmt(cpu_dai,
	72	SND_SOC_DAIFMT_I2S \|
	73	SND_SOC_DAIFMT_NB_NF \|
	74	SND_SOC_DAIFMT_CBM_CFM);
	75	if (ret < 0) {
	76	printk(KERN_ERR "can't set cpu DAI configuration\n");
	77	return ret;
	78	}
	79
	80	/* Set the codec system clock for DAC and ADC */
	81	ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000,
	82	SND_SOC_CLOCK_IN);
	83	if (ret < 0) {
	84	printk(KERN_ERR "can't set codec system clock\n");
	85	return ret;
	86	}
	87
	88	return 0;
	89	}
	90
	91	static struct snd_soc_ops sdp3430_ops = {
	92	.hw_params = sdp3430_hw_params,
	93	};
	94
11a72811 LCM	95	static int sdp3430_hw_voice_params(struct snd_pcm_substream *substream,
	96	struct snd_pcm_hw_params *params)
	97	{
	98	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	99	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	100	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
11a72811 LCM	101	int ret;
	102
	103	/* Set codec DAI configuration */
	104	ret = snd_soc_dai_set_fmt(codec_dai,
	105	SND_SOC_DAIFMT_DSP_A \|
	106	SND_SOC_DAIFMT_IB_NF \|
c264301c	107	SND_SOC_DAIFMT_CBM_CFM);
11a72811 LCM	108	if (ret) {
	109	printk(KERN_ERR "can't set codec DAI configuration\n");
	110	return ret;
	111	}
	112
	113	/* Set cpu DAI configuration */
	114	ret = snd_soc_dai_set_fmt(cpu_dai,
	115	SND_SOC_DAIFMT_DSP_A \|
	116	SND_SOC_DAIFMT_IB_NF \|
	117	SND_SOC_DAIFMT_CBM_CFM);
	118	if (ret < 0) {
	119	printk(KERN_ERR "can't set cpu DAI configuration\n");
	120	return ret;
	121	}
	122
	123	/* Set the codec system clock for DAC and ADC */
	124	ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000,
	125	SND_SOC_CLOCK_IN);
	126	if (ret < 0) {
	127	printk(KERN_ERR "can't set codec system clock\n");
	128	return ret;
	129	}
	130
	131	return 0;
	132	}
	133
	134	static struct snd_soc_ops sdp3430_voice_ops = {
	135	.hw_params = sdp3430_hw_voice_params,
	136	};
	137
77dd7e17 LCM	138	/* Headset jack */
	139	static struct snd_soc_jack hs_jack;
	140
	141	/* Headset jack detection DAPM pins */
	142	static struct snd_soc_jack_pin hs_jack_pins[] = {
	143	{
63208774 LCM	144	.pin = "Headset Mic",
	145	.mask = SND_JACK_MICROPHONE,
	146	},
	147	{
	148	.pin = "Headset Stereophone",
	149	.mask = SND_JACK_HEADPHONE,
77dd7e17 LCM	150	},
	151	};
	152
	153	/* Headset jack detection gpios */
	154	static struct snd_soc_jack_gpio hs_jack_gpios[] = {
	155	{
	156	.gpio = (OMAP_MAX_GPIO_LINES + 2),
	157	.name = "hsdet-gpio",
	158	.report = SND_JACK_HEADSET,
	159	.debounce_time = 200,
	160	},
	161	};
	162
979c036e LCM	163	/* SDP3430 machine DAPM */
	164	static const struct snd_soc_dapm_widget sdp3430_twl4030_dapm_widgets[] = {
	165	SND_SOC_DAPM_MIC("Ext Mic", NULL),
	166	SND_SOC_DAPM_SPK("Ext Spk", NULL),
63208774 LCM	167	SND_SOC_DAPM_MIC("Headset Mic", NULL),
63208774 LCM	168	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
979c036e LCM	169	};
	170
	171	static const struct snd_soc_dapm_route audio_map[] = {
	172	/* External Mics: MAINMIC, SUBMIC with bias*/
	173	{"MAINMIC", NULL, "Mic Bias 1"},
	174	{"SUBMIC", NULL, "Mic Bias 2"},
	175	{"Mic Bias 1", NULL, "Ext Mic"},
	176	{"Mic Bias 2", NULL, "Ext Mic"},
	177
	178	/* External Speakers: HFL, HFR */
	179	{"Ext Spk", NULL, "HFL"},
	180	{"Ext Spk", NULL, "HFR"},
	181
63208774	182	/* Headset Mic: HSMIC with bias */
979c036e	183	{"HSMIC", NULL, "Headset Mic Bias"},
63208774 LCM	184	{"Headset Mic Bias", NULL, "Headset Mic"},
	185
	186	/* Headset Stereophone (Headphone): HSOL, HSOR */
	187	{"Headset Stereophone", NULL, "HSOL"},
	188	{"Headset Stereophone", NULL, "HSOR"},
979c036e LCM	189	};
979c036e LCM	190
f0fba2ad	191	static int sdp3430_twl4030_init(struct snd_soc_pcm_runtime *rtd)
979c036e	192	{
f0fba2ad	193	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	194	struct snd_soc_dapm_context *dapm = &codec->dapm;
979c036e LCM	195	int ret;
	196
	197	/* Add SDP3430 specific widgets */
ce6120cc	198	ret = snd_soc_dapm_new_controls(dapm, sdp3430_twl4030_dapm_widgets,
979c036e LCM	199	ARRAY_SIZE(sdp3430_twl4030_dapm_widgets));
	200	if (ret)
	201	return ret;
	202
	203	/* Set up SDP3430 specific audio path audio_map */
ce6120cc	204	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
979c036e LCM	205
979c036e LCM	206	/* SDP3430 connected pins */
ce6120cc LG	207	snd_soc_dapm_enable_pin(dapm, "Ext Mic");
	208	snd_soc_dapm_enable_pin(dapm, "Ext Spk");
	209	snd_soc_dapm_disable_pin(dapm, "Headset Mic");
	210	snd_soc_dapm_disable_pin(dapm, "Headset Stereophone");
979c036e LCM	211
979c036e LCM	212	/* TWL4030 not connected pins */
ce6120cc LG	213	snd_soc_dapm_nc_pin(dapm, "AUXL");
	214	snd_soc_dapm_nc_pin(dapm, "AUXR");
	215	snd_soc_dapm_nc_pin(dapm, "CARKITMIC");
	216	snd_soc_dapm_nc_pin(dapm, "DIGIMIC0");
	217	snd_soc_dapm_nc_pin(dapm, "DIGIMIC1");
	218
	219	snd_soc_dapm_nc_pin(dapm, "OUTL");
	220	snd_soc_dapm_nc_pin(dapm, "OUTR");
	221	snd_soc_dapm_nc_pin(dapm, "EARPIECE");
	222	snd_soc_dapm_nc_pin(dapm, "PREDRIVEL");
	223	snd_soc_dapm_nc_pin(dapm, "PREDRIVER");
	224	snd_soc_dapm_nc_pin(dapm, "CARKITL");
	225	snd_soc_dapm_nc_pin(dapm, "CARKITR");
	226
	227	ret = snd_soc_dapm_sync(dapm);
77dd7e17 LCM	228	if (ret)
77dd7e17 LCM	229	return ret;
979c036e	230
77dd7e17	231	/* Headset jack detection */
f0fba2ad	232	ret = snd_soc_jack_new(codec, "Headset Jack",
77dd7e17 LCM	233	SND_JACK_HEADSET, &hs_jack);
	234	if (ret)
	235	return ret;
979c036e	236
77dd7e17 LCM	237	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
	238	hs_jack_pins);
	239	if (ret)
	240	return ret;
de0b9888	241
77dd7e17 LCM	242	ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
77dd7e17 LCM	243	hs_jack_gpios);
de0b9888	244
77dd7e17 LCM	245	return ret;
77dd7e17 LCM	246	}
de0b9888	247
f0fba2ad	248	static int sdp3430_twl4030_voice_init(struct snd_soc_pcm_runtime *rtd)
11a72811	249	{
f0fba2ad	250	struct snd_soc_codec *codec = rtd->codec;
11a72811 LCM	251	unsigned short reg;
	252
	253	/* Enable voice interface */
f0fba2ad	254	reg = codec->driver->read(codec, TWL4030_REG_VOICE_IF);
11a72811	255	reg \|= TWL4030_VIF_DIN_EN \| TWL4030_VIF_DOUT_EN \| TWL4030_VIF_EN;
f0fba2ad	256	codec->driver->write(codec, TWL4030_REG_VOICE_IF, reg);
11a72811 LCM	257
	258	return 0;
	259	}
	260
	261
4451582f	262	/* Digital audio interface glue - connects codec <--> CPU */
11a72811 LCM	263	static struct snd_soc_dai_link sdp3430_dai[] = {
	264	{
	265	.name = "TWL4030 I2S",
	266	.stream_name = "TWL4030 Audio",
f0fba2ad LG	267	.cpu_dai_name = "omap-mcbsp-dai.1",
	268	.codec_dai_name = "twl4030-hifi",
	269	.platform_name = "omap-pcm-audio",
	270	.codec_name = "twl4030-codec",
11a72811 LCM	271	.init = sdp3430_twl4030_init,
	272	.ops = &sdp3430_ops,
	273	},
	274	{
	275	.name = "TWL4030 PCM",
	276	.stream_name = "TWL4030 Voice",
f0fba2ad LG	277	.cpu_dai_name = "omap-mcbsp-dai.2",
	278	.codec_dai_name = "twl4030-voice",
	279	.platform_name = "omap-pcm-audio",
	280	.codec_name = "twl4030-codec",
11a72811 LCM	281	.init = sdp3430_twl4030_voice_init,
	282	.ops = &sdp3430_voice_ops,
	283	},
4451582f MLC	284	};
	285
	286	/* Audio machine driver */
272edb00	287	static struct snd_soc_card snd_soc_sdp3430 = {
4451582f	288	.name = "SDP3430",
11a72811 LCM	289	.dai_link = sdp3430_dai,
11a72811 LCM	290	.num_links = ARRAY_SIZE(sdp3430_dai),
4451582f MLC	291	};
4451582f MLC	292
4451582f MLC	293	static struct platform_device *sdp3430_snd_device;
	294
	295	static int __init sdp3430_soc_init(void)
	296	{
	297	int ret;
30cd0c4a	298	u8 pin_mux;
4451582f	299
ec588ae6	300	if (!machine_is_omap_3430sdp())
4451582f	301	return -ENODEV;
4451582f MLC	302	printk(KERN_INFO "SDP3430 SoC init\n");
	303
	304	sdp3430_snd_device = platform_device_alloc("soc-audio", -1);
	305	if (!sdp3430_snd_device) {
	306	printk(KERN_ERR "Platform device allocation failed\n");
	307	return -ENOMEM;
	308	}
	309
f0fba2ad	310	platform_set_drvdata(sdp3430_snd_device, &snd_soc_sdp3430);
4451582f	311
c5910a70	312	/* Set TWL4030 GPIO6 as EXTMUTE signal */
ebeb53e1	313	twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux,
30cd0c4a CVJ	314	TWL4030_INTBR_PMBR1);
	315	pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03);
	316	pin_mux \|= TWL4030_GPIO6_PWM0_MUTE(0x02);
ebeb53e1	317	twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux,
30cd0c4a	318	TWL4030_INTBR_PMBR1);
c5910a70	319
4451582f MLC	320	ret = platform_device_add(sdp3430_snd_device);
	321	if (ret)
	322	goto err1;
	323
77dd7e17	324	return 0;
4451582f MLC	325
	326	err1:
	327	printk(KERN_ERR "Unable to add platform device\n");
	328	platform_device_put(sdp3430_snd_device);
	329
	330	return ret;
	331	}
	332	module_init(sdp3430_soc_init);
	333
	334	static void __exit sdp3430_soc_exit(void)
	335	{
de0b9888 LCM	336	snd_soc_jack_free_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
	337	hs_jack_gpios);
	338
4451582f MLC	339	platform_device_unregister(sdp3430_snd_device);
	340	}
	341	module_exit(sdp3430_soc_exit);
	342
	343	MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>");
	344	MODULE_DESCRIPTION("ALSA SoC SDP3430");
	345	MODULE_LICENSE("GPL");
	346