cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

adau1781.c (15716B)


      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * Driver for ADAU1381/ADAU1781 codec
      4 *
      5 * Copyright 2011-2013 Analog Devices Inc.
      6 * Author: Lars-Peter Clausen <lars@metafoo.de>
      7 */
      8
      9#include <linux/module.h>
     10#include <linux/init.h>
     11#include <linux/i2c.h>
     12#include <linux/spi/spi.h>
     13#include <linux/slab.h>
     14#include <sound/core.h>
     15#include <sound/pcm.h>
     16#include <sound/pcm_params.h>
     17#include <sound/soc.h>
     18#include <sound/tlv.h>
     19#include <linux/platform_data/adau17x1.h>
     20
     21#include "adau17x1.h"
     22#include "adau1781.h"
     23
     24#define ADAU1781_DMIC_BEEP_CTRL		0x4008
     25#define ADAU1781_LEFT_PGA		0x400e
     26#define ADAU1781_RIGHT_PGA		0x400f
     27#define ADAU1781_LEFT_PLAYBACK_MIXER	0x401c
     28#define ADAU1781_RIGHT_PLAYBACK_MIXER	0x401e
     29#define ADAU1781_MONO_PLAYBACK_MIXER	0x401f
     30#define ADAU1781_LEFT_LINEOUT		0x4025
     31#define ADAU1781_RIGHT_LINEOUT		0x4026
     32#define ADAU1781_SPEAKER		0x4027
     33#define ADAU1781_BEEP_ZC		0x4028
     34#define ADAU1781_DEJITTER		0x4032
     35#define ADAU1781_DIG_PWDN0		0x4080
     36#define ADAU1781_DIG_PWDN1		0x4081
     37
     38#define ADAU1781_INPUT_DIFFERNTIAL BIT(3)
     39
     40#define ADAU1381_FIRMWARE "adau1381.bin"
     41#define ADAU1781_FIRMWARE "adau1781.bin"
     42
     43static const struct reg_default adau1781_reg_defaults[] = {
     44	{ ADAU1781_DMIC_BEEP_CTRL,		0x00 },
     45	{ ADAU1781_LEFT_PGA,			0xc7 },
     46	{ ADAU1781_RIGHT_PGA,			0xc7 },
     47	{ ADAU1781_LEFT_PLAYBACK_MIXER,		0x00 },
     48	{ ADAU1781_RIGHT_PLAYBACK_MIXER,	0x00 },
     49	{ ADAU1781_MONO_PLAYBACK_MIXER,		0x00 },
     50	{ ADAU1781_LEFT_LINEOUT,		0x00 },
     51	{ ADAU1781_RIGHT_LINEOUT,		0x00 },
     52	{ ADAU1781_SPEAKER,			0x00 },
     53	{ ADAU1781_BEEP_ZC,			0x19 },
     54	{ ADAU1781_DEJITTER,			0x60 },
     55	{ ADAU1781_DIG_PWDN1,			0x0c },
     56	{ ADAU1781_DIG_PWDN1,			0x00 },
     57	{ ADAU17X1_CLOCK_CONTROL,		0x00 },
     58	{ ADAU17X1_PLL_CONTROL,			0x00 },
     59	{ ADAU17X1_REC_POWER_MGMT,		0x00 },
     60	{ ADAU17X1_MICBIAS,			0x04 },
     61	{ ADAU17X1_SERIAL_PORT0,		0x00 },
     62	{ ADAU17X1_SERIAL_PORT1,		0x00 },
     63	{ ADAU17X1_CONVERTER0,			0x00 },
     64	{ ADAU17X1_CONVERTER1,			0x00 },
     65	{ ADAU17X1_LEFT_INPUT_DIGITAL_VOL,	0x00 },
     66	{ ADAU17X1_RIGHT_INPUT_DIGITAL_VOL,	0x00 },
     67	{ ADAU17X1_ADC_CONTROL,			0x00 },
     68	{ ADAU17X1_PLAY_POWER_MGMT,		0x00 },
     69	{ ADAU17X1_DAC_CONTROL0,		0x00 },
     70	{ ADAU17X1_DAC_CONTROL1,		0x00 },
     71	{ ADAU17X1_DAC_CONTROL2,		0x00 },
     72	{ ADAU17X1_SERIAL_PORT_PAD,		0x00 },
     73	{ ADAU17X1_CONTROL_PORT_PAD0,		0x00 },
     74	{ ADAU17X1_CONTROL_PORT_PAD1,		0x00 },
     75	{ ADAU17X1_DSP_SAMPLING_RATE,		0x01 },
     76	{ ADAU17X1_SERIAL_INPUT_ROUTE,		0x00 },
     77	{ ADAU17X1_SERIAL_OUTPUT_ROUTE,		0x00 },
     78	{ ADAU17X1_DSP_ENABLE,			0x00 },
     79	{ ADAU17X1_DSP_RUN,			0x00 },
     80	{ ADAU17X1_SERIAL_SAMPLING_RATE,	0x00 },
     81};
     82
     83static const DECLARE_TLV_DB_SCALE(adau1781_speaker_tlv, 0, 200, 0);
     84
     85static const DECLARE_TLV_DB_RANGE(adau1781_pga_tlv,
     86	0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
     87	2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
     88	4, 4, TLV_DB_SCALE_ITEM(1700, 0, 0),
     89	5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
     90);
     91
     92static const DECLARE_TLV_DB_RANGE(adau1781_beep_tlv,
     93	0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
     94	2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
     95	4, 4, TLV_DB_SCALE_ITEM(-2300, 0, 0),
     96	5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
     97);
     98
     99static const DECLARE_TLV_DB_SCALE(adau1781_sidetone_tlv, -1800, 300, 1);
    100
    101static const char * const adau1781_speaker_bias_select_text[] = {
    102	"Normal operation", "Power saving", "Enhanced performance",
    103};
    104
    105static const char * const adau1781_bias_select_text[] = {
    106	"Normal operation", "Extreme power saving", "Power saving",
    107	"Enhanced performance",
    108};
    109
    110static SOC_ENUM_SINGLE_DECL(adau1781_adc_bias_enum,
    111		ADAU17X1_REC_POWER_MGMT, 3, adau1781_bias_select_text);
    112static SOC_ENUM_SINGLE_DECL(adau1781_speaker_bias_enum,
    113		ADAU17X1_PLAY_POWER_MGMT, 6, adau1781_speaker_bias_select_text);
    114static SOC_ENUM_SINGLE_DECL(adau1781_dac_bias_enum,
    115		ADAU17X1_PLAY_POWER_MGMT, 4, adau1781_bias_select_text);
    116static SOC_ENUM_SINGLE_DECL(adau1781_playback_bias_enum,
    117		ADAU17X1_PLAY_POWER_MGMT, 2, adau1781_bias_select_text);
    118static SOC_ENUM_SINGLE_DECL(adau1781_capture_bias_enum,
    119		ADAU17X1_REC_POWER_MGMT, 1, adau1781_bias_select_text);
    120
    121static const struct snd_kcontrol_new adau1781_controls[] = {
    122	SOC_SINGLE_TLV("Beep Capture Volume", ADAU1781_DMIC_BEEP_CTRL, 0, 7, 0,
    123		adau1781_beep_tlv),
    124	SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAU1781_LEFT_PGA,
    125		ADAU1781_RIGHT_PGA, 5, 7, 0, adau1781_pga_tlv),
    126	SOC_DOUBLE_R("PGA Capture Switch", ADAU1781_LEFT_PGA,
    127		ADAU1781_RIGHT_PGA, 1, 1, 0),
    128
    129	SOC_DOUBLE_R("Lineout Playback Switch", ADAU1781_LEFT_LINEOUT,
    130		ADAU1781_RIGHT_LINEOUT, 1, 1, 0),
    131	SOC_SINGLE("Beep ZC Switch", ADAU1781_BEEP_ZC, 0, 1, 0),
    132
    133	SOC_SINGLE("Mono Playback Switch", ADAU1781_MONO_PLAYBACK_MIXER,
    134		0, 1, 0),
    135	SOC_SINGLE_TLV("Mono Playback Volume", ADAU1781_SPEAKER, 6, 3, 0,
    136		adau1781_speaker_tlv),
    137
    138	SOC_ENUM("ADC Bias", adau1781_adc_bias_enum),
    139	SOC_ENUM("DAC Bias", adau1781_dac_bias_enum),
    140	SOC_ENUM("Capture Bias", adau1781_capture_bias_enum),
    141	SOC_ENUM("Playback Bias", adau1781_playback_bias_enum),
    142	SOC_ENUM("Speaker Bias", adau1781_speaker_bias_enum),
    143};
    144
    145static const struct snd_kcontrol_new adau1781_beep_mixer_controls[] = {
    146	SOC_DAPM_SINGLE("Beep Capture Switch", ADAU1781_DMIC_BEEP_CTRL,
    147		3, 1, 0),
    148};
    149
    150static const struct snd_kcontrol_new adau1781_left_mixer_controls[] = {
    151	SOC_DAPM_SINGLE_AUTODISABLE("Switch",
    152		ADAU1781_LEFT_PLAYBACK_MIXER, 5, 1, 0),
    153	SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
    154		ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
    155};
    156
    157static const struct snd_kcontrol_new adau1781_right_mixer_controls[] = {
    158	SOC_DAPM_SINGLE_AUTODISABLE("Switch",
    159		ADAU1781_RIGHT_PLAYBACK_MIXER, 6, 1, 0),
    160	SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
    161		ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
    162};
    163
    164static const struct snd_kcontrol_new adau1781_mono_mixer_controls[] = {
    165	SOC_DAPM_SINGLE_AUTODISABLE("Left Switch",
    166		ADAU1781_MONO_PLAYBACK_MIXER, 7, 1, 0),
    167	SOC_DAPM_SINGLE_AUTODISABLE("Right Switch",
    168		 ADAU1781_MONO_PLAYBACK_MIXER, 6, 1, 0),
    169	SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
    170		ADAU1781_MONO_PLAYBACK_MIXER, 2, 8, 0, adau1781_sidetone_tlv),
    171};
    172
    173static int adau1781_dejitter_fixup(struct snd_soc_dapm_widget *w,
    174	struct snd_kcontrol *kcontrol, int event)
    175{
    176	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
    177	struct adau *adau = snd_soc_component_get_drvdata(component);
    178
    179	/* After any power changes have been made the dejitter circuit
    180	 * has to be reinitialized. */
    181	regmap_write(adau->regmap, ADAU1781_DEJITTER, 0);
    182	if (!adau->master)
    183		regmap_write(adau->regmap, ADAU1781_DEJITTER, 5);
    184
    185	return 0;
    186}
    187
    188static const struct snd_soc_dapm_widget adau1781_dapm_widgets[] = {
    189	SND_SOC_DAPM_PGA("Left PGA", ADAU1781_LEFT_PGA, 0, 0, NULL, 0),
    190	SND_SOC_DAPM_PGA("Right PGA", ADAU1781_RIGHT_PGA, 0, 0, NULL, 0),
    191
    192	SND_SOC_DAPM_OUT_DRV("Speaker", ADAU1781_SPEAKER, 0, 0, NULL, 0),
    193
    194	SOC_MIXER_NAMED_CTL_ARRAY("Beep Mixer", ADAU17X1_MICBIAS, 4, 0,
    195		adau1781_beep_mixer_controls),
    196
    197	SOC_MIXER_ARRAY("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
    198		adau1781_left_mixer_controls),
    199	SOC_MIXER_ARRAY("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
    200		adau1781_right_mixer_controls),
    201	SOC_MIXER_ARRAY("Mono Mixer", SND_SOC_NOPM, 0, 0,
    202		adau1781_mono_mixer_controls),
    203
    204	SND_SOC_DAPM_SUPPLY("Serial Input Routing", ADAU1781_DIG_PWDN0,
    205		2, 0, NULL, 0),
    206	SND_SOC_DAPM_SUPPLY("Serial Output Routing", ADAU1781_DIG_PWDN0,
    207		3, 0, NULL, 0),
    208	SND_SOC_DAPM_SUPPLY("Clock Domain Transfer", ADAU1781_DIG_PWDN0,
    209		5, 0, NULL, 0),
    210	SND_SOC_DAPM_SUPPLY("Serial Ports", ADAU1781_DIG_PWDN0, 4, 0, NULL, 0),
    211	SND_SOC_DAPM_SUPPLY("ADC Engine", ADAU1781_DIG_PWDN0, 7, 0, NULL, 0),
    212	SND_SOC_DAPM_SUPPLY("DAC Engine", ADAU1781_DIG_PWDN1, 0, 0, NULL, 0),
    213	SND_SOC_DAPM_SUPPLY("Digital Mic", ADAU1781_DIG_PWDN1, 1, 0, NULL, 0),
    214
    215	SND_SOC_DAPM_SUPPLY("Sound Engine", ADAU1781_DIG_PWDN0, 0, 0, NULL, 0),
    216	SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, ADAU1781_DIG_PWDN0, 1, 0, NULL, 0),
    217
    218	SND_SOC_DAPM_SUPPLY("Zero Crossing Detector", ADAU1781_DIG_PWDN1, 2, 0,
    219		NULL, 0),
    220
    221	SND_SOC_DAPM_POST("Dejitter fixup", adau1781_dejitter_fixup),
    222
    223	SND_SOC_DAPM_INPUT("BEEP"),
    224
    225	SND_SOC_DAPM_OUTPUT("AOUTL"),
    226	SND_SOC_DAPM_OUTPUT("AOUTR"),
    227	SND_SOC_DAPM_OUTPUT("SP"),
    228	SND_SOC_DAPM_INPUT("LMIC"),
    229	SND_SOC_DAPM_INPUT("RMIC"),
    230};
    231
    232static const struct snd_soc_dapm_route adau1781_dapm_routes[] = {
    233	{ "Left Lineout Mixer", NULL, "Left Playback Enable" },
    234	{ "Right Lineout Mixer", NULL, "Right Playback Enable" },
    235
    236	{ "Left Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
    237	{ "Left Lineout Mixer", "Switch", "Left DAC" },
    238
    239	{ "Right Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
    240	{ "Right Lineout Mixer", "Switch", "Right DAC" },
    241
    242	{ "Mono Mixer", "Beep Playback Volume", "Beep Mixer" },
    243	{ "Mono Mixer", "Right Switch", "Right DAC" },
    244	{ "Mono Mixer", "Left Switch", "Left DAC" },
    245	{ "Speaker", NULL, "Mono Mixer" },
    246
    247	{ "Mono Mixer", NULL, "SYSCLK" },
    248	{ "Left Lineout Mixer", NULL, "SYSCLK" },
    249	{ "Left Lineout Mixer", NULL, "SYSCLK" },
    250
    251	{ "Beep Mixer", "Beep Capture Switch", "BEEP" },
    252	{ "Beep Mixer", NULL, "Zero Crossing Detector" },
    253
    254	{ "Left DAC", NULL, "DAC Engine" },
    255	{ "Right DAC", NULL, "DAC Engine" },
    256
    257	{ "Sound Engine", NULL, "SYSCLK" },
    258	{ "DSP", NULL, "Sound Engine" },
    259
    260	{ "Left Decimator", NULL, "ADC Engine" },
    261	{ "Right Decimator", NULL, "ADC Engine" },
    262
    263	{ "AIFCLK", NULL, "SYSCLK" },
    264
    265	{ "Playback", NULL, "Serial Input Routing" },
    266	{ "Playback", NULL, "Serial Ports" },
    267	{ "Playback", NULL, "Clock Domain Transfer" },
    268	{ "Capture", NULL, "Serial Output Routing" },
    269	{ "Capture", NULL, "Serial Ports" },
    270	{ "Capture", NULL, "Clock Domain Transfer" },
    271
    272	{ "AOUTL", NULL, "Left Lineout Mixer" },
    273	{ "AOUTR", NULL, "Right Lineout Mixer" },
    274	{ "SP", NULL, "Speaker" },
    275};
    276
    277static const struct snd_soc_dapm_route adau1781_adc_dapm_routes[] = {
    278	{ "Left PGA", NULL, "LMIC" },
    279	{ "Right PGA", NULL, "RMIC" },
    280
    281	{ "Left Decimator", NULL, "Left PGA" },
    282	{ "Right Decimator", NULL, "Right PGA" },
    283};
    284
    285static const char * const adau1781_dmic_select_text[] = {
    286	"DMIC1", "DMIC2",
    287};
    288
    289static SOC_ENUM_SINGLE_VIRT_DECL(adau1781_dmic_select_enum,
    290	adau1781_dmic_select_text);
    291
    292static const struct snd_kcontrol_new adau1781_dmic_mux =
    293	SOC_DAPM_ENUM("DMIC Select", adau1781_dmic_select_enum);
    294
    295static const struct snd_soc_dapm_widget adau1781_dmic_dapm_widgets[] = {
    296	SND_SOC_DAPM_MUX("DMIC Select", SND_SOC_NOPM, 0, 0, &adau1781_dmic_mux),
    297
    298	SND_SOC_DAPM_ADC("DMIC1", NULL, ADAU1781_DMIC_BEEP_CTRL, 4, 0),
    299	SND_SOC_DAPM_ADC("DMIC2", NULL, ADAU1781_DMIC_BEEP_CTRL, 5, 0),
    300};
    301
    302static const struct snd_soc_dapm_route adau1781_dmic_dapm_routes[] = {
    303	{ "DMIC1", NULL, "LMIC" },
    304	{ "DMIC2", NULL, "RMIC" },
    305
    306	{ "DMIC1", NULL, "Digital Mic" },
    307	{ "DMIC2", NULL, "Digital Mic" },
    308
    309	{ "DMIC Select", "DMIC1", "DMIC1" },
    310	{ "DMIC Select", "DMIC2", "DMIC2" },
    311
    312	{ "Left Decimator", NULL, "DMIC Select" },
    313	{ "Right Decimator", NULL, "DMIC Select" },
    314};
    315
    316static int adau1781_set_bias_level(struct snd_soc_component *component,
    317		enum snd_soc_bias_level level)
    318{
    319	struct adau *adau = snd_soc_component_get_drvdata(component);
    320
    321	switch (level) {
    322	case SND_SOC_BIAS_ON:
    323		break;
    324	case SND_SOC_BIAS_PREPARE:
    325		break;
    326	case SND_SOC_BIAS_STANDBY:
    327		regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
    328			ADAU17X1_CLOCK_CONTROL_SYSCLK_EN,
    329			ADAU17X1_CLOCK_CONTROL_SYSCLK_EN);
    330
    331		/* Precharge */
    332		regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0x8, 0x8);
    333		break;
    334	case SND_SOC_BIAS_OFF:
    335		regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0xc, 0x0);
    336		regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
    337			ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 0);
    338		break;
    339	}
    340
    341	return 0;
    342}
    343
    344static bool adau1781_readable_register(struct device *dev, unsigned int reg)
    345{
    346	switch (reg) {
    347	case ADAU1781_DMIC_BEEP_CTRL:
    348	case ADAU1781_LEFT_PGA:
    349	case ADAU1781_RIGHT_PGA:
    350	case ADAU1781_LEFT_PLAYBACK_MIXER:
    351	case ADAU1781_RIGHT_PLAYBACK_MIXER:
    352	case ADAU1781_MONO_PLAYBACK_MIXER:
    353	case ADAU1781_LEFT_LINEOUT:
    354	case ADAU1781_RIGHT_LINEOUT:
    355	case ADAU1781_SPEAKER:
    356	case ADAU1781_BEEP_ZC:
    357	case ADAU1781_DEJITTER:
    358	case ADAU1781_DIG_PWDN0:
    359	case ADAU1781_DIG_PWDN1:
    360		return true;
    361	default:
    362		break;
    363	}
    364
    365	return adau17x1_readable_register(dev, reg);
    366}
    367
    368static int adau1781_set_input_mode(struct adau *adau, unsigned int reg,
    369	bool differential)
    370{
    371	unsigned int val;
    372
    373	if (differential)
    374		val = ADAU1781_INPUT_DIFFERNTIAL;
    375	else
    376		val = 0;
    377
    378	return regmap_update_bits(adau->regmap, reg,
    379		ADAU1781_INPUT_DIFFERNTIAL, val);
    380}
    381
    382static int adau1781_component_probe(struct snd_soc_component *component)
    383{
    384	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
    385	struct adau1781_platform_data *pdata = dev_get_platdata(component->dev);
    386	struct adau *adau = snd_soc_component_get_drvdata(component);
    387	int ret;
    388
    389	ret = adau17x1_add_widgets(component);
    390	if (ret)
    391		return ret;
    392
    393	if (pdata) {
    394		ret = adau1781_set_input_mode(adau, ADAU1781_LEFT_PGA,
    395			pdata->left_input_differential);
    396		if (ret)
    397			return ret;
    398		ret = adau1781_set_input_mode(adau, ADAU1781_RIGHT_PGA,
    399			pdata->right_input_differential);
    400		if (ret)
    401			return ret;
    402	}
    403
    404	if (pdata && pdata->use_dmic) {
    405		ret = snd_soc_dapm_new_controls(dapm,
    406			adau1781_dmic_dapm_widgets,
    407			ARRAY_SIZE(adau1781_dmic_dapm_widgets));
    408		if (ret)
    409			return ret;
    410		ret = snd_soc_dapm_add_routes(dapm, adau1781_dmic_dapm_routes,
    411			ARRAY_SIZE(adau1781_dmic_dapm_routes));
    412		if (ret)
    413			return ret;
    414	} else {
    415		ret = snd_soc_dapm_add_routes(dapm, adau1781_adc_dapm_routes,
    416			ARRAY_SIZE(adau1781_adc_dapm_routes));
    417		if (ret)
    418			return ret;
    419	}
    420
    421	ret = adau17x1_add_routes(component);
    422	if (ret < 0)
    423		return ret;
    424
    425	return 0;
    426}
    427
    428static const struct snd_soc_component_driver adau1781_component_driver = {
    429	.probe			= adau1781_component_probe,
    430	.resume			= adau17x1_resume,
    431	.set_bias_level		= adau1781_set_bias_level,
    432	.controls		= adau1781_controls,
    433	.num_controls		= ARRAY_SIZE(adau1781_controls),
    434	.dapm_widgets		= adau1781_dapm_widgets,
    435	.num_dapm_widgets	= ARRAY_SIZE(adau1781_dapm_widgets),
    436	.dapm_routes		= adau1781_dapm_routes,
    437	.num_dapm_routes	= ARRAY_SIZE(adau1781_dapm_routes),
    438	.suspend_bias_off	= 1,
    439	.idle_bias_on		= 1,
    440	.use_pmdown_time	= 1,
    441	.endianness		= 1,
    442	.non_legacy_dai_naming	= 1,
    443};
    444
    445#define ADAU1781_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
    446	SNDRV_PCM_FMTBIT_S32_LE)
    447
    448static struct snd_soc_dai_driver adau1781_dai_driver = {
    449	.name = "adau-hifi",
    450	.playback = {
    451		.stream_name = "Playback",
    452		.channels_min = 2,
    453		.channels_max = 8,
    454		.rates = SNDRV_PCM_RATE_8000_96000,
    455		.formats = ADAU1781_FORMATS,
    456	},
    457	.capture = {
    458		.stream_name = "Capture",
    459		.channels_min = 2,
    460		.channels_max = 8,
    461		.rates = SNDRV_PCM_RATE_8000_96000,
    462		.formats = ADAU1781_FORMATS,
    463	},
    464	.ops = &adau17x1_dai_ops,
    465};
    466
    467const struct regmap_config adau1781_regmap_config = {
    468	.val_bits		= 8,
    469	.reg_bits		= 16,
    470	.max_register		= 0x40f8,
    471	.reg_defaults		= adau1781_reg_defaults,
    472	.num_reg_defaults	= ARRAY_SIZE(adau1781_reg_defaults),
    473	.readable_reg		= adau1781_readable_register,
    474	.volatile_reg		= adau17x1_volatile_register,
    475	.precious_reg		= adau17x1_precious_register,
    476	.cache_type		= REGCACHE_RBTREE,
    477};
    478EXPORT_SYMBOL_GPL(adau1781_regmap_config);
    479
    480int adau1781_probe(struct device *dev, struct regmap *regmap,
    481	enum adau17x1_type type, void (*switch_mode)(struct device *dev))
    482{
    483	const char *firmware_name;
    484	int ret;
    485
    486	switch (type) {
    487	case ADAU1381:
    488		firmware_name = ADAU1381_FIRMWARE;
    489		break;
    490	case ADAU1781:
    491		firmware_name = ADAU1781_FIRMWARE;
    492		break;
    493	default:
    494		return -EINVAL;
    495	}
    496
    497	ret = adau17x1_probe(dev, regmap, type, switch_mode, firmware_name);
    498	if (ret)
    499		return ret;
    500
    501	return devm_snd_soc_register_component(dev, &adau1781_component_driver,
    502		&adau1781_dai_driver, 1);
    503}
    504EXPORT_SYMBOL_GPL(adau1781_probe);
    505
    506MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 driver");
    507MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
    508MODULE_LICENSE("GPL");