[linux-2.6-block.git] / sound / soc / codecs / wm9705.c

/*
 * wm9705.c  --  ALSA Soc WM9705 codec support
 *
 * Copyright 2008 Ian Molton <spyro@f2s.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; Version 2 of the  License only.
 *
 */

#include <linux/init.h>
#include <linux/slab.h>
#include <linux/mfd/wm97xx.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/regmap.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
#include <sound/ac97/codec.h>
#include <sound/ac97/compat.h>
#include <sound/initval.h>
#include <sound/soc.h>

#define WM9705_VENDOR_ID 0x574d4c05
#define WM9705_VENDOR_ID_MASK 0xffffffff

struct wm9705_priv {
	struct snd_ac97 *ac97;
	struct wm97xx_platform_data *mfd_pdata;
};

static const struct reg_default wm9705_reg_defaults[] = {
	{ 0x02, 0x8000 },
	{ 0x04, 0x8000 },
	{ 0x06, 0x8000 },
	{ 0x0a, 0x8000 },
	{ 0x0c, 0x8008 },
	{ 0x0e, 0x8008 },
	{ 0x10, 0x8808 },
	{ 0x12, 0x8808 },
	{ 0x14, 0x8808 },
	{ 0x16, 0x8808 },
	{ 0x18, 0x8808 },
	{ 0x1a, 0x0000 },
	{ 0x1c, 0x8000 },
	{ 0x20, 0x0000 },
	{ 0x22, 0x0000 },
	{ 0x26, 0x000f },
	{ 0x28, 0x0605 },
	{ 0x2a, 0x0000 },
	{ 0x2c, 0xbb80 },
	{ 0x32, 0xbb80 },
	{ 0x34, 0x2000 },
	{ 0x5a, 0x0000 },
	{ 0x5c, 0x0000 },
	{ 0x72, 0x0808 },
	{ 0x74, 0x0000 },
	{ 0x76, 0x0006 },
	{ 0x78, 0x0000 },
	{ 0x7a, 0x0000 },
};

static const struct regmap_config wm9705_regmap_config = {
	.reg_bits = 16,
	.reg_stride = 2,
	.val_bits = 16,
	.max_register = 0x7e,
	.cache_type = REGCACHE_RBTREE,

	.volatile_reg = regmap_ac97_default_volatile,

	.reg_defaults = wm9705_reg_defaults,
	.num_reg_defaults = ARRAY_SIZE(wm9705_reg_defaults),
};

static const struct snd_kcontrol_new wm9705_snd_ac97_controls[] = {
	SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1),
	SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1),
	SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
	SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
	SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
	SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1),
	SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
	SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
	SOC_SINGLE("PCBeep Playback Volume", AC97_PC_BEEP, 1, 15, 1),
	SOC_SINGLE("Phone Playback Volume", AC97_PHONE, 0, 31, 1),
	SOC_DOUBLE("Line Playback Volume", AC97_LINE, 8, 0, 31, 1),
	SOC_DOUBLE("CD Playback Volume", AC97_CD, 8, 0, 31, 1),
	SOC_SINGLE("Mic Playback Volume", AC97_MIC, 0, 31, 1),
	SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 6, 1, 0),
	SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0),
	SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1),
};

static const char *wm9705_mic[] = {"Mic 1", "Mic 2"};
static const char *wm9705_rec_sel[] = {"Mic", "CD", "NC", "NC",
	"Line", "Stereo Mix", "Mono Mix", "Phone"};

static SOC_ENUM_SINGLE_DECL(wm9705_enum_mic,
			    AC97_GENERAL_PURPOSE, 8, wm9705_mic);
static SOC_ENUM_SINGLE_DECL(wm9705_enum_rec_l,
			    AC97_REC_SEL, 8, wm9705_rec_sel);
static SOC_ENUM_SINGLE_DECL(wm9705_enum_rec_r,
			    AC97_REC_SEL, 0, wm9705_rec_sel);

/* Headphone Mixer */
static const struct snd_kcontrol_new wm9705_hp_mixer_controls[] = {
	SOC_DAPM_SINGLE("PCBeep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
	SOC_DAPM_SINGLE("CD Playback Switch", AC97_CD, 15, 1, 1),
	SOC_DAPM_SINGLE("Mic Playback Switch", AC97_MIC, 15, 1, 1),
	SOC_DAPM_SINGLE("Phone Playback Switch", AC97_PHONE, 15, 1, 1),
	SOC_DAPM_SINGLE("Line Playback Switch", AC97_LINE, 15, 1, 1),
};

/* Mic source */
static const struct snd_kcontrol_new wm9705_mic_src_controls =
	SOC_DAPM_ENUM("Route", wm9705_enum_mic);

/* Capture source */
static const struct snd_kcontrol_new wm9705_capture_selectl_controls =
	SOC_DAPM_ENUM("Route", wm9705_enum_rec_l);
static const struct snd_kcontrol_new wm9705_capture_selectr_controls =
	SOC_DAPM_ENUM("Route", wm9705_enum_rec_r);

/* DAPM widgets */
static const struct snd_soc_dapm_widget wm9705_dapm_widgets[] = {
	SND_SOC_DAPM_MUX("Mic Source", SND_SOC_NOPM, 0, 0,
		&wm9705_mic_src_controls),
	SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
		&wm9705_capture_selectl_controls),
	SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
		&wm9705_capture_selectr_controls),
	SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback",
		SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback",
		SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_MIXER_NAMED_CTL("HP Mixer", SND_SOC_NOPM, 0, 0,
		&wm9705_hp_mixer_controls[0],
		ARRAY_SIZE(wm9705_hp_mixer_controls)),
	SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
	SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_PGA("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	SND_SOC_DAPM_PGA("Speaker PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	SND_SOC_DAPM_PGA("Line PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	SND_SOC_DAPM_PGA("Line out PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	SND_SOC_DAPM_PGA("Mono PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	SND_SOC_DAPM_PGA("Phone PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	SND_SOC_DAPM_PGA("Mic PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	SND_SOC_DAPM_PGA("PCBEEP PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	SND_SOC_DAPM_PGA("CD PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	SND_SOC_DAPM_PGA("ADC PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	SND_SOC_DAPM_OUTPUT("HPOUTL"),
	SND_SOC_DAPM_OUTPUT("HPOUTR"),
	SND_SOC_DAPM_OUTPUT("LOUT"),
	SND_SOC_DAPM_OUTPUT("ROUT"),
	SND_SOC_DAPM_OUTPUT("MONOOUT"),
	SND_SOC_DAPM_INPUT("PHONE"),
	SND_SOC_DAPM_INPUT("LINEINL"),
	SND_SOC_DAPM_INPUT("LINEINR"),
	SND_SOC_DAPM_INPUT("CDINL"),
	SND_SOC_DAPM_INPUT("CDINR"),
	SND_SOC_DAPM_INPUT("PCBEEP"),
	SND_SOC_DAPM_INPUT("MIC1"),
	SND_SOC_DAPM_INPUT("MIC2"),
};

/* Audio map
 * WM9705 has no switches to disable the route from the inputs to the HP mixer
 * so in order to prevent active inputs from forcing the audio outputs to be
 * constantly enabled, we use the mutes on those inputs to simulate such
 * controls.
 */
static const struct snd_soc_dapm_route wm9705_audio_map[] = {
	/* HP mixer */
	{"HP Mixer", "PCBeep Playback Switch", "PCBEEP PGA"},
	{"HP Mixer", "CD Playback Switch", "CD PGA"},
	{"HP Mixer", "Mic Playback Switch", "Mic PGA"},
	{"HP Mixer", "Phone Playback Switch", "Phone PGA"},
	{"HP Mixer", "Line Playback Switch", "Line PGA"},
	{"HP Mixer", NULL, "Left DAC"},
	{"HP Mixer", NULL, "Right DAC"},

	/* mono mixer */
	{"Mono Mixer", NULL, "HP Mixer"},

	/* outputs */
	{"Headphone PGA", NULL, "HP Mixer"},
	{"HPOUTL", NULL, "Headphone PGA"},
	{"HPOUTR", NULL, "Headphone PGA"},
	{"Line out PGA", NULL, "HP Mixer"},
	{"LOUT", NULL, "Line out PGA"},
	{"ROUT", NULL, "Line out PGA"},
	{"Mono PGA", NULL, "Mono Mixer"},
	{"MONOOUT", NULL, "Mono PGA"},

	/* inputs */
	{"CD PGA", NULL, "CDINL"},
	{"CD PGA", NULL, "CDINR"},
	{"Line PGA", NULL, "LINEINL"},
	{"Line PGA", NULL, "LINEINR"},
	{"Phone PGA", NULL, "PHONE"},
	{"Mic Source", "Mic 1", "MIC1"},
	{"Mic Source", "Mic 2", "MIC2"},
	{"Mic PGA", NULL, "Mic Source"},
	{"PCBEEP PGA", NULL, "PCBEEP"},

	/* Left capture selector */
	{"Left Capture Source", "Mic", "Mic Source"},
	{"Left Capture Source", "CD", "CDINL"},
	{"Left Capture Source", "Line", "LINEINL"},
	{"Left Capture Source", "Stereo Mix", "HP Mixer"},
	{"Left Capture Source", "Mono Mix", "HP Mixer"},
	{"Left Capture Source", "Phone", "PHONE"},

	/* Right capture source */
	{"Right Capture Source", "Mic", "Mic Source"},
	{"Right Capture Source", "CD", "CDINR"},
	{"Right Capture Source", "Line", "LINEINR"},
	{"Right Capture Source", "Stereo Mix", "HP Mixer"},
	{"Right Capture Source", "Mono Mix", "HP Mixer"},
	{"Right Capture Source", "Phone", "PHONE"},

	{"ADC PGA", NULL, "Left Capture Source"},
	{"ADC PGA", NULL, "Right Capture Source"},

	/* ADC's */
	{"Left ADC",  NULL, "ADC PGA"},
	{"Right ADC", NULL, "ADC PGA"},
};

static int ac97_prepare(struct snd_pcm_substream *substream,
			struct snd_soc_dai *dai)
{
	struct snd_soc_component *component = dai->component;
	int reg;

	snd_soc_component_update_bits(component, AC97_EXTENDED_STATUS, 0x1, 0x1);

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		reg = AC97_PCM_FRONT_DAC_RATE;
	else
		reg = AC97_PCM_LR_ADC_RATE;

	return snd_soc_component_write(component, reg, substream->runtime->rate);
}

#define WM9705_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | \
			SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
			SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
			SNDRV_PCM_RATE_48000)

static const struct snd_soc_dai_ops wm9705_dai_ops = {
	.prepare	= ac97_prepare,
};

static struct snd_soc_dai_driver wm9705_dai[] = {
	{
		.name = "wm9705-hifi",
		.playback = {
			.stream_name = "HiFi Playback",
			.channels_min = 1,
			.channels_max = 2,
			.rates = WM9705_AC97_RATES,
			.formats = SND_SOC_STD_AC97_FMTS,
		},
		.capture = {
			.stream_name = "HiFi Capture",
			.channels_min = 1,
			.channels_max = 2,
			.rates = WM9705_AC97_RATES,
			.formats = SND_SOC_STD_AC97_FMTS,
		},
		.ops = &wm9705_dai_ops,
	},
	{
		.name = "wm9705-aux",
		.playback = {
			.stream_name = "Aux Playback",
			.channels_min = 1,
			.channels_max = 1,
			.rates = WM9705_AC97_RATES,
			.formats = SNDRV_PCM_FMTBIT_S16_LE,
		},
	}
};

#ifdef CONFIG_PM
static int wm9705_soc_suspend(struct snd_soc_component *component)
{
	regcache_cache_bypass(component->regmap, true);
	snd_soc_component_write(component, AC97_POWERDOWN, 0xffff);
	regcache_cache_bypass(component->regmap, false);

	return 0;
}

static int wm9705_soc_resume(struct snd_soc_component *component)
{
	struct wm9705_priv *wm9705 = snd_soc_component_get_drvdata(component);
	int ret;

	ret = snd_ac97_reset(wm9705->ac97, true, WM9705_VENDOR_ID,
		WM9705_VENDOR_ID_MASK);
	if (ret < 0)
		return ret;

	snd_soc_component_cache_sync(component);

	return 0;
}
#else
#define wm9705_soc_suspend NULL
#define wm9705_soc_resume NULL
#endif

static int wm9705_soc_probe(struct snd_soc_component *component)
{
	struct wm9705_priv *wm9705 = snd_soc_component_get_drvdata(component);
	struct regmap *regmap;

	if (wm9705->mfd_pdata) {
		wm9705->ac97 = wm9705->mfd_pdata->ac97;
		regmap = wm9705->mfd_pdata->regmap;
	} else if (IS_ENABLED(CONFIG_SND_SOC_AC97_BUS)) {
		wm9705->ac97 = snd_soc_new_ac97_component(component, WM9705_VENDOR_ID,
						      WM9705_VENDOR_ID_MASK);
		if (IS_ERR(wm9705->ac97)) {
			dev_err(component->dev, "Failed to register AC97 codec\n");
			return PTR_ERR(wm9705->ac97);
		}

		regmap = regmap_init_ac97(wm9705->ac97, &wm9705_regmap_config);
		if (IS_ERR(regmap)) {
			snd_soc_free_ac97_component(wm9705->ac97);
			return PTR_ERR(regmap);
		}
	} else {
		return -ENXIO;
	}

	snd_soc_component_set_drvdata(component, wm9705->ac97);
	snd_soc_component_init_regmap(component, regmap);

	return 0;
}

static void wm9705_soc_remove(struct snd_soc_component *component)
{
	struct wm9705_priv *wm9705 = snd_soc_component_get_drvdata(component);

	if (IS_ENABLED(CONFIG_SND_SOC_AC97_BUS) && !wm9705->mfd_pdata) {
		snd_soc_component_exit_regmap(component);
		snd_soc_free_ac97_component(wm9705->ac97);
	}
}

static const struct snd_soc_component_driver soc_component_dev_wm9705 = {
	.probe			= wm9705_soc_probe,
	.remove			= wm9705_soc_remove,
	.suspend		= wm9705_soc_suspend,
	.resume			= wm9705_soc_resume,
	.controls		= wm9705_snd_ac97_controls,
	.num_controls		= ARRAY_SIZE(wm9705_snd_ac97_controls),
	.dapm_widgets		= wm9705_dapm_widgets,
	.num_dapm_widgets	= ARRAY_SIZE(wm9705_dapm_widgets),
	.dapm_routes		= wm9705_audio_map,
	.num_dapm_routes	= ARRAY_SIZE(wm9705_audio_map),
	.idle_bias_on		= 1,
	.use_pmdown_time	= 1,
	.endianness		= 1,
	.non_legacy_dai_naming	= 1,
};

static int wm9705_probe(struct platform_device *pdev)
{
	struct wm9705_priv *wm9705;

	wm9705 = devm_kzalloc(&pdev->dev, sizeof(*wm9705), GFP_KERNEL);
	if (wm9705 == NULL)
		return -ENOMEM;

	wm9705->mfd_pdata = dev_get_platdata(&pdev->dev);
	platform_set_drvdata(pdev, wm9705);

	return devm_snd_soc_register_component(&pdev->dev,
			&soc_component_dev_wm9705, wm9705_dai, ARRAY_SIZE(wm9705_dai));
}

static struct platform_driver wm9705_codec_driver = {
	.driver = {
			.name = "wm9705-codec",
	},

	.probe = wm9705_probe,
};

module_platform_driver(wm9705_codec_driver);

MODULE_DESCRIPTION("ASoC WM9705 driver");
MODULE_AUTHOR("Ian Molton");
MODULE_LICENSE("GPL v2");
Commit	Line	Data
2aceefef IM	1	/*
	2	* wm9705.c -- ALSA Soc WM9705 codec support
	3	*
	4	* Copyright 2008 Ian Molton <spyro@f2s.com>
	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License as published by the
	8	* Free Software Foundation; Version 2 of the License only.
	9	*
	10	*/
	11
	12	#include <linux/init.h>
5a0e3ad6	13	#include <linux/slab.h>
aaafcfed	14	#include <linux/mfd/wm97xx.h>
2aceefef IM	15	#include <linux/module.h>
	16	#include <linux/kernel.h>
	17	#include <linux/device.h>
206964e8	18	#include <linux/regmap.h>
2aceefef IM	19	#include <sound/core.h>
	20	#include <sound/pcm.h>
	21	#include <sound/ac97_codec.h>
aaafcfed RJ	22	#include <sound/ac97/codec.h>
aaafcfed RJ	23	#include <sound/ac97/compat.h>
2aceefef IM	24	#include <sound/initval.h>
2aceefef IM	25	#include <sound/soc.h>
2aceefef	26
6e0b73a0 LPC	27	#define WM9705_VENDOR_ID 0x574d4c05
	28	#define WM9705_VENDOR_ID_MASK 0xffffffff
	29
c6e46e52 RJ	30	struct wm9705_priv {
c6e46e52 RJ	31	struct snd_ac97 *ac97;
aaafcfed	32	struct wm97xx_platform_data *mfd_pdata;
c6e46e52 RJ	33	};
c6e46e52 RJ	34
206964e8 LPC	35	static const struct reg_default wm9705_reg_defaults[] = {
	36	{ 0x02, 0x8000 },
	37	{ 0x04, 0x8000 },
	38	{ 0x06, 0x8000 },
	39	{ 0x0a, 0x8000 },
	40	{ 0x0c, 0x8008 },
	41	{ 0x0e, 0x8008 },
	42	{ 0x10, 0x8808 },
	43	{ 0x12, 0x8808 },
	44	{ 0x14, 0x8808 },
	45	{ 0x16, 0x8808 },
	46	{ 0x18, 0x8808 },
	47	{ 0x1a, 0x0000 },
	48	{ 0x1c, 0x8000 },
	49	{ 0x20, 0x0000 },
	50	{ 0x22, 0x0000 },
	51	{ 0x26, 0x000f },
	52	{ 0x28, 0x0605 },
	53	{ 0x2a, 0x0000 },
	54	{ 0x2c, 0xbb80 },
	55	{ 0x32, 0xbb80 },
	56	{ 0x34, 0x2000 },
	57	{ 0x5a, 0x0000 },
	58	{ 0x5c, 0x0000 },
	59	{ 0x72, 0x0808 },
	60	{ 0x74, 0x0000 },
	61	{ 0x76, 0x0006 },
	62	{ 0x78, 0x0000 },
	63	{ 0x7a, 0x0000 },
	64	};
	65
	66	static const struct regmap_config wm9705_regmap_config = {
	67	.reg_bits = 16,
	68	.reg_stride = 2,
	69	.val_bits = 16,
	70	.max_register = 0x7e,
	71	.cache_type = REGCACHE_RBTREE,
	72
	73	.volatile_reg = regmap_ac97_default_volatile,
	74
	75	.reg_defaults = wm9705_reg_defaults,
	76	.num_reg_defaults = ARRAY_SIZE(wm9705_reg_defaults),
2aceefef IM	77	};
	78
	79	static const struct snd_kcontrol_new wm9705_snd_ac97_controls[] = {
	80	SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1),
	81	SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1),
	82	SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
	83	SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
	84	SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
	85	SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1),
	86	SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
	87	SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
	88	SOC_SINGLE("PCBeep Playback Volume", AC97_PC_BEEP, 1, 15, 1),
	89	SOC_SINGLE("Phone Playback Volume", AC97_PHONE, 0, 31, 1),
	90	SOC_DOUBLE("Line Playback Volume", AC97_LINE, 8, 0, 31, 1),
	91	SOC_DOUBLE("CD Playback Volume", AC97_CD, 8, 0, 31, 1),
	92	SOC_SINGLE("Mic Playback Volume", AC97_MIC, 0, 31, 1),
	93	SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 6, 1, 0),
927b0aea IM	94	SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0),
927b0aea IM	95	SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1),
2aceefef IM	96	};
	97
	98	static const char *wm9705_mic[] = {"Mic 1", "Mic 2"};
	99	static const char *wm9705_rec_sel[] = {"Mic", "CD", "NC", "NC",
	100	"Line", "Stereo Mix", "Mono Mix", "Phone"};
	101
09981dcb TI	102	static SOC_ENUM_SINGLE_DECL(wm9705_enum_mic,
	103	AC97_GENERAL_PURPOSE, 8, wm9705_mic);
	104	static SOC_ENUM_SINGLE_DECL(wm9705_enum_rec_l,
	105	AC97_REC_SEL, 8, wm9705_rec_sel);
	106	static SOC_ENUM_SINGLE_DECL(wm9705_enum_rec_r,
	107	AC97_REC_SEL, 0, wm9705_rec_sel);
2aceefef IM	108
	109	/* Headphone Mixer */
	110	static const struct snd_kcontrol_new wm9705_hp_mixer_controls[] = {
	111	SOC_DAPM_SINGLE("PCBeep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
	112	SOC_DAPM_SINGLE("CD Playback Switch", AC97_CD, 15, 1, 1),
	113	SOC_DAPM_SINGLE("Mic Playback Switch", AC97_MIC, 15, 1, 1),
	114	SOC_DAPM_SINGLE("Phone Playback Switch", AC97_PHONE, 15, 1, 1),
	115	SOC_DAPM_SINGLE("Line Playback Switch", AC97_LINE, 15, 1, 1),
	116	};
	117
	118	/* Mic source */
	119	static const struct snd_kcontrol_new wm9705_mic_src_controls =
	120	SOC_DAPM_ENUM("Route", wm9705_enum_mic);
	121
	122	/* Capture source */
	123	static const struct snd_kcontrol_new wm9705_capture_selectl_controls =
	124	SOC_DAPM_ENUM("Route", wm9705_enum_rec_l);
	125	static const struct snd_kcontrol_new wm9705_capture_selectr_controls =
	126	SOC_DAPM_ENUM("Route", wm9705_enum_rec_r);
	127
	128	/* DAPM widgets */
	129	static const struct snd_soc_dapm_widget wm9705_dapm_widgets[] = {
	130	SND_SOC_DAPM_MUX("Mic Source", SND_SOC_NOPM, 0, 0,
	131	&wm9705_mic_src_controls),
	132	SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
	133	&wm9705_capture_selectl_controls),
	134	SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
	135	&wm9705_capture_selectr_controls),
	136	SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback",
	137	SND_SOC_NOPM, 0, 0),
	138	SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback",
	139	SND_SOC_NOPM, 0, 0),
	140	SND_SOC_DAPM_MIXER_NAMED_CTL("HP Mixer", SND_SOC_NOPM, 0, 0,
	141	&wm9705_hp_mixer_controls[0],
	142	ARRAY_SIZE(wm9705_hp_mixer_controls)),
	143	SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
	144	SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
	145	SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
	146	SND_SOC_DAPM_PGA("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	147	SND_SOC_DAPM_PGA("Speaker PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	148	SND_SOC_DAPM_PGA("Line PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	149	SND_SOC_DAPM_PGA("Line out PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	150	SND_SOC_DAPM_PGA("Mono PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	151	SND_SOC_DAPM_PGA("Phone PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	152	SND_SOC_DAPM_PGA("Mic PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	153	SND_SOC_DAPM_PGA("PCBEEP PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	154	SND_SOC_DAPM_PGA("CD PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	155	SND_SOC_DAPM_PGA("ADC PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
	156	SND_SOC_DAPM_OUTPUT("HPOUTL"),
	157	SND_SOC_DAPM_OUTPUT("HPOUTR"),
	158	SND_SOC_DAPM_OUTPUT("LOUT"),
	159	SND_SOC_DAPM_OUTPUT("ROUT"),
	160	SND_SOC_DAPM_OUTPUT("MONOOUT"),
	161	SND_SOC_DAPM_INPUT("PHONE"),
	162	SND_SOC_DAPM_INPUT("LINEINL"),
	163	SND_SOC_DAPM_INPUT("LINEINR"),
	164	SND_SOC_DAPM_INPUT("CDINL"),
	165	SND_SOC_DAPM_INPUT("CDINR"),
	166	SND_SOC_DAPM_INPUT("PCBEEP"),
	167	SND_SOC_DAPM_INPUT("MIC1"),
	168	SND_SOC_DAPM_INPUT("MIC2"),
	169	};
	170
	171	/* Audio map
172	* WM9705 has no switches to disable the route from the inputs to the HP mixer
173	* so in order to prevent active inputs from forcing the audio outputs to be
174	* constantly enabled, we use the mutes on those inputs to simulate such
175	* controls.
176	*/
97a58d6e	177	static const struct snd_soc_dapm_route wm9705_audio_map[] = {
2aceefef IM	178	/* HP mixer */
	179	{"HP Mixer", "PCBeep Playback Switch", "PCBEEP PGA"},
	180	{"HP Mixer", "CD Playback Switch", "CD PGA"},
	181	{"HP Mixer", "Mic Playback Switch", "Mic PGA"},
	182	{"HP Mixer", "Phone Playback Switch", "Phone PGA"},
	183	{"HP Mixer", "Line Playback Switch", "Line PGA"},
	184	{"HP Mixer", NULL, "Left DAC"},
	185	{"HP Mixer", NULL, "Right DAC"},
	186
	187	/* mono mixer */
	188	{"Mono Mixer", NULL, "HP Mixer"},
	189
	190	/* outputs */
	191	{"Headphone PGA", NULL, "HP Mixer"},
	192	{"HPOUTL", NULL, "Headphone PGA"},
	193	{"HPOUTR", NULL, "Headphone PGA"},
	194	{"Line out PGA", NULL, "HP Mixer"},
	195	{"LOUT", NULL, "Line out PGA"},
	196	{"ROUT", NULL, "Line out PGA"},
	197	{"Mono PGA", NULL, "Mono Mixer"},
	198	{"MONOOUT", NULL, "Mono PGA"},
	199
	200	/* inputs */
	201	{"CD PGA", NULL, "CDINL"},
	202	{"CD PGA", NULL, "CDINR"},
	203	{"Line PGA", NULL, "LINEINL"},
	204	{"Line PGA", NULL, "LINEINR"},
	205	{"Phone PGA", NULL, "PHONE"},
	206	{"Mic Source", "Mic 1", "MIC1"},
	207	{"Mic Source", "Mic 2", "MIC2"},
	208	{"Mic PGA", NULL, "Mic Source"},
	209	{"PCBEEP PGA", NULL, "PCBEEP"},
	210
	211	/* Left capture selector */
	212	{"Left Capture Source", "Mic", "Mic Source"},
	213	{"Left Capture Source", "CD", "CDINL"},
	214	{"Left Capture Source", "Line", "LINEINL"},
	215	{"Left Capture Source", "Stereo Mix", "HP Mixer"},
	216	{"Left Capture Source", "Mono Mix", "HP Mixer"},
	217	{"Left Capture Source", "Phone", "PHONE"},
	218
	219	/* Right capture source */
	220	{"Right Capture Source", "Mic", "Mic Source"},
	221	{"Right Capture Source", "CD", "CDINR"},
	222	{"Right Capture Source", "Line", "LINEINR"},
	223	{"Right Capture Source", "Stereo Mix", "HP Mixer"},
	224	{"Right Capture Source", "Mono Mix", "HP Mixer"},
	225	{"Right Capture Source", "Phone", "PHONE"},
	226
	227	{"ADC PGA", NULL, "Left Capture Source"},
	228	{"ADC PGA", NULL, "Right Capture Source"},
	229
	230	/* ADC's */
	231	{"Left ADC", NULL, "ADC PGA"},
	232	{"Right ADC", NULL, "ADC PGA"},
	233	};
	234
2aceefef IM	235	static int ac97_prepare(struct snd_pcm_substream *substream,
	236	struct snd_soc_dai *dai)
	237	{
28f89849	238	struct snd_soc_component *component = dai->component;
2aceefef	239	int reg;
2aceefef	240
28f89849	241	snd_soc_component_update_bits(component, AC97_EXTENDED_STATUS, 0x1, 0x1);
2aceefef IM	242
	243	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
	244	reg = AC97_PCM_FRONT_DAC_RATE;
	245	else
	246	reg = AC97_PCM_LR_ADC_RATE;
	247
28f89849	248	return snd_soc_component_write(component, reg, substream->runtime->rate);
2aceefef IM	249	}
	250
	251	#define WM9705_AC97_RATES (SNDRV_PCM_RATE_8000 \| SNDRV_PCM_RATE_11025 \| \
	252	SNDRV_PCM_RATE_16000 \| SNDRV_PCM_RATE_22050 \| \
	253	SNDRV_PCM_RATE_32000 \| SNDRV_PCM_RATE_44100 \| \
	254	SNDRV_PCM_RATE_48000)
	255
85e7652d	256	static const struct snd_soc_dai_ops wm9705_dai_ops = {
6335d055 EM	257	.prepare = ac97_prepare,
	258	};
	259
f0fba2ad	260	static struct snd_soc_dai_driver wm9705_dai[] = {
2aceefef	261	{
f0fba2ad	262	.name = "wm9705-hifi",
2aceefef IM	263	.playback = {
	264	.stream_name = "HiFi Playback",
	265	.channels_min = 1,
	266	.channels_max = 2,
	267	.rates = WM9705_AC97_RATES,
33f503c9	268	.formats = SND_SOC_STD_AC97_FMTS,
2aceefef IM	269	},
	270	.capture = {
	271	.stream_name = "HiFi Capture",
	272	.channels_min = 1,
	273	.channels_max = 2,
	274	.rates = WM9705_AC97_RATES,
33f503c9	275	.formats = SND_SOC_STD_AC97_FMTS,
2aceefef	276	},
6335d055	277	.ops = &wm9705_dai_ops,
2aceefef IM	278	},
2aceefef IM	279	{
f0fba2ad	280	.name = "wm9705-aux",
2aceefef IM	281	.playback = {
	282	.stream_name = "Aux Playback",
	283	.channels_min = 1,
	284	.channels_max = 1,
	285	.rates = WM9705_AC97_RATES,
	286	.formats = SNDRV_PCM_FMTBIT_S16_LE,
	287	},
	288	}
	289	};
2aceefef	290
0a11b168	291	#ifdef CONFIG_PM
28f89849	292	static int wm9705_soc_suspend(struct snd_soc_component *component)
0a11b168	293	{
28f89849 KM	294	regcache_cache_bypass(component->regmap, true);
	295	snd_soc_component_write(component, AC97_POWERDOWN, 0xffff);
	296	regcache_cache_bypass(component->regmap, false);
0a11b168 MB	297
	298	return 0;
	299	}
	300
28f89849	301	static int wm9705_soc_resume(struct snd_soc_component *component)
0a11b168	302	{
28f89849	303	struct wm9705_priv *wm9705 = snd_soc_component_get_drvdata(component);
206964e8	304	int ret;
0a11b168	305
c6e46e52	306	ret = snd_ac97_reset(wm9705->ac97, true, WM9705_VENDOR_ID,
6e0b73a0	307	WM9705_VENDOR_ID_MASK);
9cf766f6	308	if (ret < 0)
0a11b168	309	return ret;
0a11b168	310
28f89849	311	snd_soc_component_cache_sync(component);
0a11b168 MB	312
	313	return 0;
	314	}
	315	#else
	316	#define wm9705_soc_suspend NULL
	317	#define wm9705_soc_resume NULL
	318	#endif
	319
28f89849	320	static int wm9705_soc_probe(struct snd_soc_component *component)
2aceefef	321	{
28f89849	322	struct wm9705_priv *wm9705 = snd_soc_component_get_drvdata(component);
206964e8	323	struct regmap *regmap;
2aceefef	324
aaafcfed RJ	325	if (wm9705->mfd_pdata) {
	326	wm9705->ac97 = wm9705->mfd_pdata->ac97;
	327	regmap = wm9705->mfd_pdata->regmap;
576ce407	328	} else if (IS_ENABLED(CONFIG_SND_SOC_AC97_BUS)) {
28f89849	329	wm9705->ac97 = snd_soc_new_ac97_component(component, WM9705_VENDOR_ID,
aaafcfed RJ	330	WM9705_VENDOR_ID_MASK);
aaafcfed RJ	331	if (IS_ERR(wm9705->ac97)) {
28f89849	332	dev_err(component->dev, "Failed to register AC97 codec\n");
aaafcfed RJ	333	return PTR_ERR(wm9705->ac97);
	334	}
	335
	336	regmap = regmap_init_ac97(wm9705->ac97, &wm9705_regmap_config);
	337	if (IS_ERR(regmap)) {
28f89849	338	snd_soc_free_ac97_component(wm9705->ac97);
6bd25aae	339	return PTR_ERR(regmap);
aaafcfed	340	}
576ce407 AB	341	} else {
576ce407 AB	342	return -ENXIO;
206964e8 LPC	343	}
206964e8 LPC	344
28f89849 KM	345	snd_soc_component_set_drvdata(component, wm9705->ac97);
28f89849 KM	346	snd_soc_component_init_regmap(component, regmap);
2aceefef	347
2aceefef	348	return 0;
2aceefef IM	349	}
2aceefef IM	350
28f89849	351	static void wm9705_soc_remove(struct snd_soc_component *component)
2aceefef	352	{
28f89849	353	struct wm9705_priv *wm9705 = snd_soc_component_get_drvdata(component);
358a8bb5	354
576ce407	355	if (IS_ENABLED(CONFIG_SND_SOC_AC97_BUS) && !wm9705->mfd_pdata) {
28f89849 KM	356	snd_soc_component_exit_regmap(component);
28f89849 KM	357	snd_soc_free_ac97_component(wm9705->ac97);
aaafcfed	358	}
2aceefef IM	359	}
2aceefef IM	360
28f89849 KM	361	static const struct snd_soc_component_driver soc_component_dev_wm9705 = {
	362	.probe = wm9705_soc_probe,
	363	.remove = wm9705_soc_remove,
	364	.suspend = wm9705_soc_suspend,
	365	.resume = wm9705_soc_resume,
	366	.controls = wm9705_snd_ac97_controls,
	367	.num_controls = ARRAY_SIZE(wm9705_snd_ac97_controls),
	368	.dapm_widgets = wm9705_dapm_widgets,
	369	.num_dapm_widgets = ARRAY_SIZE(wm9705_dapm_widgets),
	370	.dapm_routes = wm9705_audio_map,
	371	.num_dapm_routes = ARRAY_SIZE(wm9705_audio_map),
	372	.idle_bias_on = 1,
	373	.use_pmdown_time = 1,
	374	.endianness = 1,
	375	.non_legacy_dai_naming = 1,
f0fba2ad LG	376	};
f0fba2ad LG	377
7a79e94e	378	static int wm9705_probe(struct platform_device *pdev)
f0fba2ad	379	{
c6e46e52 RJ	380	struct wm9705_priv *wm9705;
	381
	382	wm9705 = devm_kzalloc(&pdev->dev, sizeof(*wm9705), GFP_KERNEL);
	383	if (wm9705 == NULL)
	384	return -ENOMEM;
	385
aaafcfed	386	wm9705->mfd_pdata = dev_get_platdata(&pdev->dev);
c6e46e52 RJ	387	platform_set_drvdata(pdev, wm9705);
c6e46e52 RJ	388
28f89849 KM	389	return devm_snd_soc_register_component(&pdev->dev,
28f89849 KM	390	&soc_component_dev_wm9705, wm9705_dai, ARRAY_SIZE(wm9705_dai));
f0fba2ad LG	391	}
	392
	393	static struct platform_driver wm9705_codec_driver = {
	394	.driver = {
	395	.name = "wm9705-codec",
f0fba2ad LG	396	},
	397
	398	.probe = wm9705_probe,
2aceefef	399	};
f0fba2ad	400
5bbcc3c0	401	module_platform_driver(wm9705_codec_driver);
2aceefef IM	402
	403	MODULE_DESCRIPTION("ASoC WM9705 driver");
	404	MODULE_AUTHOR("Ian Molton");
	405	MODULE_LICENSE("GPL v2");