[linux-2.6-block.git] / sound / soc / fsl / mx27vis-aic32x4.c

// SPDX-License-Identifier: GPL-2.0+
//
// mx27vis-aic32x4.c
//
// Copyright 2011 Vista Silicon S.L.
//
// Author: Javier Martin <javier.martin@vista-silicon.com>

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/platform_data/asoc-mx27vis.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 "../codecs/tlv320aic32x4.h"
#include "imx-ssi.h"
#include "imx-audmux.h"

#define MX27VIS_AMP_GAIN	0
#define MX27VIS_AMP_MUTE	1

static int mx27vis_amp_gain;
static int mx27vis_amp_mute;
static int mx27vis_amp_gain0_gpio;
static int mx27vis_amp_gain1_gpio;
static int mx27vis_amp_mutel_gpio;
static int mx27vis_amp_muter_gpio;

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;

	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 const 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_amp_gain0_gpio, value & 1);
		gpio_set_value(mx27vis_amp_gain1_gpio, value >> 1);
		mx27vis_amp_gain = value;
		break;
	case MX27VIS_AMP_MUTE:
		gpio_set_value(mx27vis_amp_mutel_gpio, value & 1);
		gpio_set_value(mx27vis_amp_muter_gpio, 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-ssi.0",
	.codec_name	= "tlv320aic32x4.0-0018",
	.cpu_dai_name	= "imx-ssi.0",
	.dai_fmt	= SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF |
			  SND_SOC_DAIFMT_CBM_CFM,
	.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 mx27vis_aic32x4_probe(struct platform_device *pdev)
{
	struct snd_mx27vis_platform_data *pdata = pdev->dev.platform_data;
	int ret;

	if (!pdata) {
		dev_err(&pdev->dev, "No platform data supplied\n");
		return -EINVAL;
	}

	mx27vis_amp_gain0_gpio = pdata->amp_gain0_gpio;
	mx27vis_amp_gain1_gpio = pdata->amp_gain1_gpio;
	mx27vis_amp_mutel_gpio = pdata->amp_mutel_gpio;
	mx27vis_amp_muter_gpio = pdata->amp_muter_gpio;

	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)
	);

	return ret;
}

static int 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",
	},
	.probe = mx27vis_aic32x4_probe,
	.remove = 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
1021ec41 AD	1	// SPDX-License-Identifier: GPL-2.0+
	2	//
	3	// mx27vis-aic32x4.c
	4	//
	5	// Copyright 2011 Vista Silicon S.L.
	6	//
	7	// Author: Javier Martin <javier.martin@vista-silicon.com>
841a451f JM	8
	9	#include <linux/module.h>
	10	#include <linux/moduleparam.h>
	11	#include <linux/device.h>
	12	#include <linux/i2c.h>
78adaeb2	13	#include <linux/gpio.h>
d41789b2	14	#include <linux/platform_data/asoc-mx27vis.h>
841a451f JM	15	#include <sound/core.h>
	16	#include <sound/pcm.h>
	17	#include <sound/soc.h>
	18	#include <sound/soc-dapm.h>
78adaeb2	19	#include <sound/tlv.h>
841a451f	20	#include <asm/mach-types.h>
841a451f JM	21
	22	#include "../codecs/tlv320aic32x4.h"
	23	#include "imx-ssi.h"
3c77c29c	24	#include "imx-audmux.h"
841a451f	25
78adaeb2 JM	26	#define MX27VIS_AMP_GAIN 0
	27	#define MX27VIS_AMP_MUTE 1
	28
78adaeb2 JM	29	static int mx27vis_amp_gain;
78adaeb2 JM	30	static int mx27vis_amp_mute;
d41789b2 SG	31	static int mx27vis_amp_gain0_gpio;
	32	static int mx27vis_amp_gain1_gpio;
	33	static int mx27vis_amp_mutel_gpio;
	34	static int mx27vis_amp_muter_gpio;
78adaeb2	35
841a451f JM	36	static int mx27vis_aic32x4_hw_params(struct snd_pcm_substream *substream,
	37	struct snd_pcm_hw_params *params)
	38	{
	39	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	40	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	41	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	42	int ret;
841a451f JM	43
	44	ret = snd_soc_dai_set_sysclk(codec_dai, 0,
	45	25000000, SND_SOC_CLOCK_OUT);
	46	if (ret) {
	47	pr_err("%s: failed setting codec sysclk\n", __func__);
	48	return ret;
	49	}
	50
	51	ret = snd_soc_dai_set_sysclk(cpu_dai, IMX_SSP_SYS_CLK, 0,
	52	SND_SOC_CLOCK_IN);
	53	if (ret) {
	54	pr_err("can't set CPU system clock IMX_SSP_SYS_CLK\n");
	55	return ret;
	56	}
	57
	58	return 0;
	59	}
	60
5ace37bd	61	static const struct snd_soc_ops mx27vis_aic32x4_snd_ops = {
841a451f JM	62	.hw_params = mx27vis_aic32x4_hw_params,
	63	};
	64
78adaeb2 JM	65	static int mx27vis_amp_set(struct snd_kcontrol *kcontrol,
	66	struct snd_ctl_elem_value *ucontrol)
	67	{
	68	struct soc_mixer_control *mc =
	69	(struct soc_mixer_control *)kcontrol->private_value;
	70	int value = ucontrol->value.integer.value[0];
	71	unsigned int reg = mc->reg;
	72	int max = mc->max;
	73
	74	if (value > max)
	75	return -EINVAL;
	76
	77	switch (reg) {
	78	case MX27VIS_AMP_GAIN:
d41789b2 SG	79	gpio_set_value(mx27vis_amp_gain0_gpio, value & 1);
d41789b2 SG	80	gpio_set_value(mx27vis_amp_gain1_gpio, value >> 1);
78adaeb2 JM	81	mx27vis_amp_gain = value;
	82	break;
	83	case MX27VIS_AMP_MUTE:
d41789b2 SG	84	gpio_set_value(mx27vis_amp_mutel_gpio, value & 1);
d41789b2 SG	85	gpio_set_value(mx27vis_amp_muter_gpio, value >> 1);
78adaeb2 JM	86	mx27vis_amp_mute = value;
	87	break;
	88	}
	89	return 0;
	90	}
	91
	92	static int mx27vis_amp_get(struct snd_kcontrol *kcontrol,
	93	struct snd_ctl_elem_value *ucontrol)
	94	{
	95	struct soc_mixer_control *mc =
	96	(struct soc_mixer_control *)kcontrol->private_value;
	97	unsigned int reg = mc->reg;
	98
	99	switch (reg) {
	100	case MX27VIS_AMP_GAIN:
	101	ucontrol->value.integer.value[0] = mx27vis_amp_gain;
	102	break;
	103	case MX27VIS_AMP_MUTE:
	104	ucontrol->value.integer.value[0] = mx27vis_amp_mute;
	105	break;
	106	}
	107	return 0;
	108	}
	109
	110	/* From 6dB to 24dB in steps of 6dB */
	111	static const DECLARE_TLV_DB_SCALE(mx27vis_amp_tlv, 600, 600, 0);
	112
a6b44f16 JM	113	static const struct snd_kcontrol_new mx27vis_aic32x4_controls[] = {
a6b44f16 JM	114	SOC_DAPM_PIN_SWITCH("External Mic"),
78adaeb2 JM	115	SOC_SINGLE_EXT_TLV("LO Ext Boost", MX27VIS_AMP_GAIN, 0, 3, 0,
	116	mx27vis_amp_get, mx27vis_amp_set, mx27vis_amp_tlv),
	117	SOC_DOUBLE_EXT("LO Ext Mute Switch", MX27VIS_AMP_MUTE, 0, 1, 1, 0,
	118	mx27vis_amp_get, mx27vis_amp_set),
a6b44f16 JM	119	};
	120
	121	static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = {
	122	SND_SOC_DAPM_MIC("External Mic", NULL),
	123	};
	124
	125	static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = {
	126	{"Mic Bias", NULL, "External Mic"},
	127	{"IN1_R", NULL, "Mic Bias"},
	128	{"IN2_R", NULL, "Mic Bias"},
	129	{"IN3_R", NULL, "Mic Bias"},
	130	{"IN1_L", NULL, "Mic Bias"},
	131	{"IN2_L", NULL, "Mic Bias"},
	132	{"IN3_L", NULL, "Mic Bias"},
	133	};
	134
841a451f JM	135	static struct snd_soc_dai_link mx27vis_aic32x4_dai = {
	136	.name = "tlv320aic32x4",
	137	.stream_name = "TLV320AIC32X4",
	138	.codec_dai_name = "tlv320aic32x4-hifi",
3b7d4638	139	.platform_name = "imx-ssi.0",
841a451f JM	140	.codec_name = "tlv320aic32x4.0-0018",
841a451f JM	141	.cpu_dai_name = "imx-ssi.0",
dea53bd3 LPC	142	.dai_fmt = SND_SOC_DAIFMT_DSP_B \| SND_SOC_DAIFMT_NB_NF \|
dea53bd3 LPC	143	SND_SOC_DAIFMT_CBM_CFM,
841a451f JM	144	.ops = &mx27vis_aic32x4_snd_ops,
	145	};
	146
	147	static struct snd_soc_card mx27vis_aic32x4 = {
	148	.name = "visstrim_m10-audio",
6aff8ccb	149	.owner = THIS_MODULE,
841a451f JM	150	.dai_link = &mx27vis_aic32x4_dai,
841a451f JM	151	.num_links = 1,
a6b44f16 JM	152	.controls = mx27vis_aic32x4_controls,
	153	.num_controls = ARRAY_SIZE(mx27vis_aic32x4_controls),
	154	.dapm_widgets = aic32x4_dapm_widgets,
	155	.num_dapm_widgets = ARRAY_SIZE(aic32x4_dapm_widgets),
	156	.dapm_routes = aic32x4_dapm_routes,
	157	.num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes),
841a451f JM	158	};
841a451f JM	159
a0a3d518	160	static int mx27vis_aic32x4_probe(struct platform_device *pdev)
841a451f	161	{
d41789b2	162	struct snd_mx27vis_platform_data *pdata = pdev->dev.platform_data;
841a451f JM	163	int ret;
841a451f JM	164
d41789b2 SG	165	if (!pdata) {
	166	dev_err(&pdev->dev, "No platform data supplied\n");
	167	return -EINVAL;
	168	}
	169
	170	mx27vis_amp_gain0_gpio = pdata->amp_gain0_gpio;
	171	mx27vis_amp_gain1_gpio = pdata->amp_gain1_gpio;
	172	mx27vis_amp_mutel_gpio = pdata->amp_mutel_gpio;
	173	mx27vis_amp_muter_gpio = pdata->amp_muter_gpio;
	174
5ec65ee5 FE	175	mx27vis_aic32x4.dev = &pdev->dev;
5ec65ee5 FE	176	ret = snd_soc_register_card(&mx27vis_aic32x4);
841a451f	177	if (ret) {
5ec65ee5 FE	178	dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
	179	ret);
	180	return ret;
841a451f JM	181	}
	182
	183	/* Connect SSI0 as clock slave to SSI1 external pins */
af4872fb SG	184	imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
	185	IMX_AUDMUX_V1_PCR_SYN \|
	186	IMX_AUDMUX_V1_PCR_TFSDIR \|
	187	IMX_AUDMUX_V1_PCR_TCLKDIR \|
	188	IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1) \|
	189	IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1)
841a451f	190	);
af4872fb SG	191	imx_audmux_v1_configure_port(MX27_AUDMUX_PPCR1_SSI_PINS_1,
	192	IMX_AUDMUX_V1_PCR_SYN \|
	193	IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
841a451f JM	194	);
	195
	196	return ret;
	197	}
	198
a0a3d518	199	static int mx27vis_aic32x4_remove(struct platform_device *pdev)
841a451f	200	{
5ec65ee5 FE	201	snd_soc_unregister_card(&mx27vis_aic32x4);
	202
	203	return 0;
841a451f JM	204	}
841a451f JM	205
5ec65ee5 FE	206	static struct platform_driver mx27vis_aic32x4_audio_driver = {
	207	.driver = {
	208	.name = "mx27vis",
5ec65ee5 FE	209	},
5ec65ee5 FE	210	.probe = mx27vis_aic32x4_probe,
a0a3d518	211	.remove = mx27vis_aic32x4_remove,
5ec65ee5 FE	212	};
	213
	214	module_platform_driver(mx27vis_aic32x4_audio_driver);
841a451f JM	215
	216	MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
	217	MODULE_DESCRIPTION("ALSA SoC AIC32X4 mx27 visstrim");
	218	MODULE_LICENSE("GPL");
5ec65ee5	219	MODULE_ALIAS("platform:mx27vis");