[deliverable/linux.git] / sound / soc / imx / mx27vis-aic32x4.c

/*
 * mx27vis-aic32x4.c
 *
 * Copyright 2011 Vista Silicon S.L.
 *
 * Author: Javier Martin <javier.martin@vista-silicon.com>
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 *
 * 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 Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
#include <asm/mach-types.h>
#include <mach/iomux-mx27.h>

#include "../codecs/tlv320aic32x4.h"
#include "imx-ssi.h"
#include "imx-audmux.h"

#define MX27VIS_AMP_GAIN	0
#define MX27VIS_AMP_MUTE	1

#define MX27VIS_PIN_G0		(GPIO_PORTF + 9)
#define MX27VIS_PIN_G1		(GPIO_PORTF + 8)
#define MX27VIS_PIN_SDL		(GPIO_PORTE + 5)
#define MX27VIS_PIN_SDR		(GPIO_PORTF + 7)

static int mx27vis_amp_gain;
static int mx27vis_amp_mute;

static const int mx27vis_amp_pins[] = {
	MX27VIS_PIN_G0 | GPIO_GPIO | GPIO_OUT,
	MX27VIS_PIN_G1 | GPIO_GPIO | GPIO_OUT,
	MX27VIS_PIN_SDL | GPIO_GPIO | GPIO_OUT,
	MX27VIS_PIN_SDR | GPIO_GPIO | GPIO_OUT,
};

static int mx27vis_aic32x4_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;
	u32 dai_format;

	dai_format = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF |
		SND_SOC_DAIFMT_CBM_CFM;

	/* set codec DAI configuration */
	snd_soc_dai_set_fmt(codec_dai, dai_format);

	/* set cpu DAI configuration */
	snd_soc_dai_set_fmt(cpu_dai, dai_format);

	ret = snd_soc_dai_set_sysclk(codec_dai, 0,
				     25000000, SND_SOC_CLOCK_OUT);
	if (ret) {
		pr_err("%s: failed setting codec sysclk\n", __func__);
		return ret;
	}

	ret = snd_soc_dai_set_sysclk(cpu_dai, IMX_SSP_SYS_CLK, 0,
				SND_SOC_CLOCK_IN);
	if (ret) {
		pr_err("can't set CPU system clock IMX_SSP_SYS_CLK\n");
		return ret;
	}

	return 0;
}

static struct snd_soc_ops mx27vis_aic32x4_snd_ops = {
	.hw_params	= mx27vis_aic32x4_hw_params,
};

static int mx27vis_amp_set(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_value *ucontrol)
{
	struct soc_mixer_control *mc =
		(struct soc_mixer_control *)kcontrol->private_value;
	int value = ucontrol->value.integer.value[0];
	unsigned int reg = mc->reg;
	int max = mc->max;

	if (value > max)
		return -EINVAL;

	switch (reg) {
	case MX27VIS_AMP_GAIN:
		gpio_set_value(MX27VIS_PIN_G0, value & 1);
		gpio_set_value(MX27VIS_PIN_G1, value >> 1);
		mx27vis_amp_gain = value;
		break;
	case MX27VIS_AMP_MUTE:
		gpio_set_value(MX27VIS_PIN_SDL, value & 1);
		gpio_set_value(MX27VIS_PIN_SDR, value >> 1);
		mx27vis_amp_mute = value;
		break;
	}
	return 0;
}

static int mx27vis_amp_get(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_value *ucontrol)
{
	struct soc_mixer_control *mc =
		(struct soc_mixer_control *)kcontrol->private_value;
	unsigned int reg = mc->reg;

	switch (reg) {
	case MX27VIS_AMP_GAIN:
		ucontrol->value.integer.value[0] = mx27vis_amp_gain;
		break;
	case MX27VIS_AMP_MUTE:
		ucontrol->value.integer.value[0] = mx27vis_amp_mute;
		break;
	}
	return 0;
}

/* From 6dB to 24dB in steps of 6dB */
static const DECLARE_TLV_DB_SCALE(mx27vis_amp_tlv, 600, 600, 0);

static const struct snd_kcontrol_new mx27vis_aic32x4_controls[] = {
	SOC_DAPM_PIN_SWITCH("External Mic"),
	SOC_SINGLE_EXT_TLV("LO Ext Boost", MX27VIS_AMP_GAIN, 0, 3, 0,
		       mx27vis_amp_get, mx27vis_amp_set, mx27vis_amp_tlv),
	SOC_DOUBLE_EXT("LO Ext Mute Switch", MX27VIS_AMP_MUTE, 0, 1, 1, 0,
		       mx27vis_amp_get, mx27vis_amp_set),
};

static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = {
	SND_SOC_DAPM_MIC("External Mic", NULL),
};

static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = {
	{"Mic Bias", NULL, "External Mic"},
	{"IN1_R", NULL, "Mic Bias"},
	{"IN2_R", NULL, "Mic Bias"},
	{"IN3_R", NULL, "Mic Bias"},
	{"IN1_L", NULL, "Mic Bias"},
	{"IN2_L", NULL, "Mic Bias"},
	{"IN3_L", NULL, "Mic Bias"},
};

static struct snd_soc_dai_link mx27vis_aic32x4_dai = {
	.name		= "tlv320aic32x4",
	.stream_name	= "TLV320AIC32X4",
	.codec_dai_name	= "tlv320aic32x4-hifi",
	.platform_name	= "imx-pcm-audio.0",
	.codec_name	= "tlv320aic32x4.0-0018",
	.cpu_dai_name	= "imx-ssi.0",
	.ops		= &mx27vis_aic32x4_snd_ops,
};

static struct snd_soc_card mx27vis_aic32x4 = {
	.name		= "visstrim_m10-audio",
	.owner		= THIS_MODULE,
	.dai_link	= &mx27vis_aic32x4_dai,
	.num_links	= 1,
	.controls	= mx27vis_aic32x4_controls,
	.num_controls	= ARRAY_SIZE(mx27vis_aic32x4_controls),
	.dapm_widgets	= aic32x4_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(aic32x4_dapm_widgets),
	.dapm_routes	= aic32x4_dapm_routes,
	.num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes),
};

static int __devinit mx27vis_aic32x4_probe(struct platform_device *pdev)
{
	int ret;

	mx27vis_aic32x4.dev = &pdev->dev;
	ret = snd_soc_register_card(&mx27vis_aic32x4);
	if (ret) {
		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
			ret);
		return ret;
	}

	/* Connect SSI0 as clock slave to SSI1 external pins */
	imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
			IMX_AUDMUX_V1_PCR_SYN |
			IMX_AUDMUX_V1_PCR_TFSDIR |
			IMX_AUDMUX_V1_PCR_TCLKDIR |
			IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1) |
			IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1)
	);
	imx_audmux_v1_configure_port(MX27_AUDMUX_PPCR1_SSI_PINS_1,
			IMX_AUDMUX_V1_PCR_SYN |
			IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
	);

	ret = mxc_gpio_setup_multiple_pins(mx27vis_amp_pins,
			ARRAY_SIZE(mx27vis_amp_pins), "MX27VIS_AMP");
	if (ret)
		printk(KERN_ERR "ASoC: unable to setup gpios\n");

	return ret;
}

static int __devexit mx27vis_aic32x4_remove(struct platform_device *pdev)
{
	snd_soc_unregister_card(&mx27vis_aic32x4);

	return 0;
}

static struct platform_driver mx27vis_aic32x4_audio_driver = {
	.driver = {
		.name = "mx27vis",
		.owner = THIS_MODULE,
	},
	.probe = mx27vis_aic32x4_probe,
	.remove = __devexit_p(mx27vis_aic32x4_remove),
};

module_platform_driver(mx27vis_aic32x4_audio_driver);

MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
MODULE_DESCRIPTION("ALSA SoC AIC32X4 mx27 visstrim");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:mx27vis");
Commit	Line	Data
841a451f JM	1	/*
	2	* mx27vis-aic32x4.c
	3	*
	4	* Copyright 2011 Vista Silicon S.L.
	5	*
	6	* Author: Javier Martin <javier.martin@vista-silicon.com>
	7	*
	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the
	10	* Free Software Foundation; either version 2 of the License, or (at your
	11	* option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU 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 Street, Fifth Floor, Boston,
	21	* MA 02110-1301, USA.
	22	*/
	23
	24	#include <linux/module.h>
	25	#include <linux/moduleparam.h>
	26	#include <linux/device.h>
	27	#include <linux/i2c.h>
78adaeb2	28	#include <linux/gpio.h>
841a451f JM	29	#include <sound/core.h>
	30	#include <sound/pcm.h>
	31	#include <sound/soc.h>
	32	#include <sound/soc-dapm.h>
78adaeb2	33	#include <sound/tlv.h>
841a451f	34	#include <asm/mach-types.h>
78adaeb2	35	#include <mach/iomux-mx27.h>
841a451f JM	36
	37	#include "../codecs/tlv320aic32x4.h"
	38	#include "imx-ssi.h"
3c77c29c	39	#include "imx-audmux.h"
841a451f	40
78adaeb2 JM	41	#define MX27VIS_AMP_GAIN 0
	42	#define MX27VIS_AMP_MUTE 1
	43
	44	#define MX27VIS_PIN_G0 (GPIO_PORTF + 9)
	45	#define MX27VIS_PIN_G1 (GPIO_PORTF + 8)
	46	#define MX27VIS_PIN_SDL (GPIO_PORTE + 5)
	47	#define MX27VIS_PIN_SDR (GPIO_PORTF + 7)
	48
	49	static int mx27vis_amp_gain;
	50	static int mx27vis_amp_mute;
	51
	52	static const int mx27vis_amp_pins[] = {
	53	MX27VIS_PIN_G0 \| GPIO_GPIO \| GPIO_OUT,
	54	MX27VIS_PIN_G1 \| GPIO_GPIO \| GPIO_OUT,
	55	MX27VIS_PIN_SDL \| GPIO_GPIO \| GPIO_OUT,
	56	MX27VIS_PIN_SDR \| GPIO_GPIO \| GPIO_OUT,
	57	};
	58
841a451f JM	59	static int mx27vis_aic32x4_hw_params(struct snd_pcm_substream *substream,
	60	struct snd_pcm_hw_params *params)
	61	{
	62	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	63	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	64	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	65	int ret;
	66	u32 dai_format;
	67
	68	dai_format = SND_SOC_DAIFMT_DSP_B \| SND_SOC_DAIFMT_NB_NF \|
	69	SND_SOC_DAIFMT_CBM_CFM;
	70
	71	/* set codec DAI configuration */
	72	snd_soc_dai_set_fmt(codec_dai, dai_format);
	73
	74	/* set cpu DAI configuration */
	75	snd_soc_dai_set_fmt(cpu_dai, dai_format);
	76
	77	ret = snd_soc_dai_set_sysclk(codec_dai, 0,
	78	25000000, SND_SOC_CLOCK_OUT);
	79	if (ret) {
	80	pr_err("%s: failed setting codec sysclk\n", __func__);
	81	return ret;
	82	}
	83
	84	ret = snd_soc_dai_set_sysclk(cpu_dai, IMX_SSP_SYS_CLK, 0,
	85	SND_SOC_CLOCK_IN);
	86	if (ret) {
	87	pr_err("can't set CPU system clock IMX_SSP_SYS_CLK\n");
	88	return ret;
	89	}
	90
	91	return 0;
	92	}
	93
	94	static struct snd_soc_ops mx27vis_aic32x4_snd_ops = {
	95	.hw_params = mx27vis_aic32x4_hw_params,
	96	};
	97
78adaeb2 JM	98	static int mx27vis_amp_set(struct snd_kcontrol *kcontrol,
	99	struct snd_ctl_elem_value *ucontrol)
	100	{
	101	struct soc_mixer_control *mc =
	102	(struct soc_mixer_control *)kcontrol->private_value;
	103	int value = ucontrol->value.integer.value[0];
	104	unsigned int reg = mc->reg;
	105	int max = mc->max;
	106
	107	if (value > max)
	108	return -EINVAL;
	109
	110	switch (reg) {
	111	case MX27VIS_AMP_GAIN:
	112	gpio_set_value(MX27VIS_PIN_G0, value & 1);
	113	gpio_set_value(MX27VIS_PIN_G1, value >> 1);
	114	mx27vis_amp_gain = value;
	115	break;
	116	case MX27VIS_AMP_MUTE:
	117	gpio_set_value(MX27VIS_PIN_SDL, value & 1);
	118	gpio_set_value(MX27VIS_PIN_SDR, value >> 1);
	119	mx27vis_amp_mute = value;
	120	break;
	121	}
	122	return 0;
	123	}
	124
	125	static int mx27vis_amp_get(struct snd_kcontrol *kcontrol,
	126	struct snd_ctl_elem_value *ucontrol)
	127	{
	128	struct soc_mixer_control *mc =
	129	(struct soc_mixer_control *)kcontrol->private_value;
	130	unsigned int reg = mc->reg;
	131
	132	switch (reg) {
	133	case MX27VIS_AMP_GAIN:
	134	ucontrol->value.integer.value[0] = mx27vis_amp_gain;
	135	break;
	136	case MX27VIS_AMP_MUTE:
	137	ucontrol->value.integer.value[0] = mx27vis_amp_mute;
	138	break;
	139	}
	140	return 0;
	141	}
	142
	143	/* From 6dB to 24dB in steps of 6dB */
	144	static const DECLARE_TLV_DB_SCALE(mx27vis_amp_tlv, 600, 600, 0);
	145
a6b44f16 JM	146	static const struct snd_kcontrol_new mx27vis_aic32x4_controls[] = {
a6b44f16 JM	147	SOC_DAPM_PIN_SWITCH("External Mic"),
78adaeb2 JM	148	SOC_SINGLE_EXT_TLV("LO Ext Boost", MX27VIS_AMP_GAIN, 0, 3, 0,
	149	mx27vis_amp_get, mx27vis_amp_set, mx27vis_amp_tlv),
	150	SOC_DOUBLE_EXT("LO Ext Mute Switch", MX27VIS_AMP_MUTE, 0, 1, 1, 0,
	151	mx27vis_amp_get, mx27vis_amp_set),
a6b44f16 JM	152	};
	153
	154	static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = {
	155	SND_SOC_DAPM_MIC("External Mic", NULL),
	156	};
	157
	158	static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = {
	159	{"Mic Bias", NULL, "External Mic"},
	160	{"IN1_R", NULL, "Mic Bias"},
	161	{"IN2_R", NULL, "Mic Bias"},
	162	{"IN3_R", NULL, "Mic Bias"},
	163	{"IN1_L", NULL, "Mic Bias"},
	164	{"IN2_L", NULL, "Mic Bias"},
	165	{"IN3_L", NULL, "Mic Bias"},
	166	};
	167
841a451f JM	168	static struct snd_soc_dai_link mx27vis_aic32x4_dai = {
	169	.name = "tlv320aic32x4",
	170	.stream_name = "TLV320AIC32X4",
	171	.codec_dai_name = "tlv320aic32x4-hifi",
	172	.platform_name = "imx-pcm-audio.0",
	173	.codec_name = "tlv320aic32x4.0-0018",
	174	.cpu_dai_name = "imx-ssi.0",
	175	.ops = &mx27vis_aic32x4_snd_ops,
	176	};
	177
	178	static struct snd_soc_card mx27vis_aic32x4 = {
	179	.name = "visstrim_m10-audio",
6aff8ccb	180	.owner = THIS_MODULE,
841a451f JM	181	.dai_link = &mx27vis_aic32x4_dai,
841a451f JM	182	.num_links = 1,
a6b44f16 JM	183	.controls = mx27vis_aic32x4_controls,
	184	.num_controls = ARRAY_SIZE(mx27vis_aic32x4_controls),
	185	.dapm_widgets = aic32x4_dapm_widgets,
	186	.num_dapm_widgets = ARRAY_SIZE(aic32x4_dapm_widgets),
	187	.dapm_routes = aic32x4_dapm_routes,
	188	.num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes),
841a451f JM	189	};
841a451f JM	190
5ec65ee5	191	static int __devinit mx27vis_aic32x4_probe(struct platform_device *pdev)
841a451f JM	192	{
	193	int ret;
	194
5ec65ee5 FE	195	mx27vis_aic32x4.dev = &pdev->dev;
5ec65ee5 FE	196	ret = snd_soc_register_card(&mx27vis_aic32x4);
841a451f	197	if (ret) {
5ec65ee5 FE	198	dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
	199	ret);
	200	return ret;
841a451f JM	201	}
	202
	203	/* Connect SSI0 as clock slave to SSI1 external pins */
af4872fb SG	204	imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
	205	IMX_AUDMUX_V1_PCR_SYN \|
	206	IMX_AUDMUX_V1_PCR_TFSDIR \|
	207	IMX_AUDMUX_V1_PCR_TCLKDIR \|
	208	IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1) \|
	209	IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1)
841a451f	210	);
af4872fb SG	211	imx_audmux_v1_configure_port(MX27_AUDMUX_PPCR1_SSI_PINS_1,
	212	IMX_AUDMUX_V1_PCR_SYN \|
	213	IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
841a451f JM	214	);
841a451f JM	215
78adaeb2 JM	216	ret = mxc_gpio_setup_multiple_pins(mx27vis_amp_pins,
78adaeb2 JM	217	ARRAY_SIZE(mx27vis_amp_pins), "MX27VIS_AMP");
5ec65ee5	218	if (ret)
78adaeb2	219	printk(KERN_ERR "ASoC: unable to setup gpios\n");
78adaeb2	220
841a451f JM	221	return ret;
	222	}
	223
5ec65ee5	224	static int __devexit mx27vis_aic32x4_remove(struct platform_device *pdev)
841a451f	225	{
5ec65ee5 FE	226	snd_soc_unregister_card(&mx27vis_aic32x4);
	227
	228	return 0;
841a451f JM	229	}
841a451f JM	230
5ec65ee5 FE	231	static struct platform_driver mx27vis_aic32x4_audio_driver = {
	232	.driver = {
	233	.name = "mx27vis",
	234	.owner = THIS_MODULE,
	235	},
	236	.probe = mx27vis_aic32x4_probe,
	237	.remove = __devexit_p(mx27vis_aic32x4_remove),
	238	};
	239
	240	module_platform_driver(mx27vis_aic32x4_audio_driver);
841a451f JM	241
	242	MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
	243	MODULE_DESCRIPTION("ALSA SoC AIC32X4 mx27 visstrim");
	244	MODULE_LICENSE("GPL");
5ec65ee5	245	MODULE_ALIAS("platform:mx27vis");