Back to home page

OSCL-LXR
 
 

     

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  * Driver for ADAU1381/ADAU1781 codec
0004  *
0005  * Copyright 2011-2013 Analog Devices Inc.
0006  * Author: Lars-Peter Clausen <lars@metafoo.de>
0007  */
0008 
0009 #include <linux/module.h>
0010 #include <linux/init.h>
0011 #include <linux/i2c.h>
0012 #include <linux/spi/spi.h>
0013 #include <linux/slab.h>
0014 #include <sound/core.h>
0015 #include <sound/pcm.h>
0016 #include <sound/pcm_params.h>
0017 #include <sound/soc.h>
0018 #include <sound/tlv.h>
0019 #include <linux/platform_data/adau17x1.h>
0020 
0021 #include "adau17x1.h"
0022 #include "adau1781.h"
0023 
0024 #define ADAU1781_DMIC_BEEP_CTRL     0x4008
0025 #define ADAU1781_LEFT_PGA       0x400e
0026 #define ADAU1781_RIGHT_PGA      0x400f
0027 #define ADAU1781_LEFT_PLAYBACK_MIXER    0x401c
0028 #define ADAU1781_RIGHT_PLAYBACK_MIXER   0x401e
0029 #define ADAU1781_MONO_PLAYBACK_MIXER    0x401f
0030 #define ADAU1781_LEFT_LINEOUT       0x4025
0031 #define ADAU1781_RIGHT_LINEOUT      0x4026
0032 #define ADAU1781_SPEAKER        0x4027
0033 #define ADAU1781_BEEP_ZC        0x4028
0034 #define ADAU1781_DEJITTER       0x4032
0035 #define ADAU1781_DIG_PWDN0      0x4080
0036 #define ADAU1781_DIG_PWDN1      0x4081
0037 
0038 #define ADAU1781_INPUT_DIFFERNTIAL BIT(3)
0039 
0040 #define ADAU1381_FIRMWARE "adau1381.bin"
0041 #define ADAU1781_FIRMWARE "adau1781.bin"
0042 
0043 static const struct reg_default adau1781_reg_defaults[] = {
0044     { ADAU1781_DMIC_BEEP_CTRL,      0x00 },
0045     { ADAU1781_LEFT_PGA,            0xc7 },
0046     { ADAU1781_RIGHT_PGA,           0xc7 },
0047     { ADAU1781_LEFT_PLAYBACK_MIXER,     0x00 },
0048     { ADAU1781_RIGHT_PLAYBACK_MIXER,    0x00 },
0049     { ADAU1781_MONO_PLAYBACK_MIXER,     0x00 },
0050     { ADAU1781_LEFT_LINEOUT,        0x00 },
0051     { ADAU1781_RIGHT_LINEOUT,       0x00 },
0052     { ADAU1781_SPEAKER,         0x00 },
0053     { ADAU1781_BEEP_ZC,         0x19 },
0054     { ADAU1781_DEJITTER,            0x60 },
0055     { ADAU1781_DIG_PWDN1,           0x0c },
0056     { ADAU1781_DIG_PWDN1,           0x00 },
0057     { ADAU17X1_CLOCK_CONTROL,       0x00 },
0058     { ADAU17X1_PLL_CONTROL,         0x00 },
0059     { ADAU17X1_REC_POWER_MGMT,      0x00 },
0060     { ADAU17X1_MICBIAS,         0x04 },
0061     { ADAU17X1_SERIAL_PORT0,        0x00 },
0062     { ADAU17X1_SERIAL_PORT1,        0x00 },
0063     { ADAU17X1_CONVERTER0,          0x00 },
0064     { ADAU17X1_CONVERTER1,          0x00 },
0065     { ADAU17X1_LEFT_INPUT_DIGITAL_VOL,  0x00 },
0066     { ADAU17X1_RIGHT_INPUT_DIGITAL_VOL, 0x00 },
0067     { ADAU17X1_ADC_CONTROL,         0x00 },
0068     { ADAU17X1_PLAY_POWER_MGMT,     0x00 },
0069     { ADAU17X1_DAC_CONTROL0,        0x00 },
0070     { ADAU17X1_DAC_CONTROL1,        0x00 },
0071     { ADAU17X1_DAC_CONTROL2,        0x00 },
0072     { ADAU17X1_SERIAL_PORT_PAD,     0x00 },
0073     { ADAU17X1_CONTROL_PORT_PAD0,       0x00 },
0074     { ADAU17X1_CONTROL_PORT_PAD1,       0x00 },
0075     { ADAU17X1_DSP_SAMPLING_RATE,       0x01 },
0076     { ADAU17X1_SERIAL_INPUT_ROUTE,      0x00 },
0077     { ADAU17X1_SERIAL_OUTPUT_ROUTE,     0x00 },
0078     { ADAU17X1_DSP_ENABLE,          0x00 },
0079     { ADAU17X1_DSP_RUN,         0x00 },
0080     { ADAU17X1_SERIAL_SAMPLING_RATE,    0x00 },
0081 };
0082 
0083 static const DECLARE_TLV_DB_SCALE(adau1781_speaker_tlv, 0, 200, 0);
0084 
0085 static const DECLARE_TLV_DB_RANGE(adau1781_pga_tlv,
0086     0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
0087     2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
0088     4, 4, TLV_DB_SCALE_ITEM(1700, 0, 0),
0089     5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
0090 );
0091 
0092 static const DECLARE_TLV_DB_RANGE(adau1781_beep_tlv,
0093     0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
0094     2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
0095     4, 4, TLV_DB_SCALE_ITEM(-2300, 0, 0),
0096     5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
0097 );
0098 
0099 static const DECLARE_TLV_DB_SCALE(adau1781_sidetone_tlv, -1800, 300, 1);
0100 
0101 static const char * const adau1781_speaker_bias_select_text[] = {
0102     "Normal operation", "Power saving", "Enhanced performance",
0103 };
0104 
0105 static const char * const adau1781_bias_select_text[] = {
0106     "Normal operation", "Extreme power saving", "Power saving",
0107     "Enhanced performance",
0108 };
0109 
0110 static SOC_ENUM_SINGLE_DECL(adau1781_adc_bias_enum,
0111         ADAU17X1_REC_POWER_MGMT, 3, adau1781_bias_select_text);
0112 static SOC_ENUM_SINGLE_DECL(adau1781_speaker_bias_enum,
0113         ADAU17X1_PLAY_POWER_MGMT, 6, adau1781_speaker_bias_select_text);
0114 static SOC_ENUM_SINGLE_DECL(adau1781_dac_bias_enum,
0115         ADAU17X1_PLAY_POWER_MGMT, 4, adau1781_bias_select_text);
0116 static SOC_ENUM_SINGLE_DECL(adau1781_playback_bias_enum,
0117         ADAU17X1_PLAY_POWER_MGMT, 2, adau1781_bias_select_text);
0118 static SOC_ENUM_SINGLE_DECL(adau1781_capture_bias_enum,
0119         ADAU17X1_REC_POWER_MGMT, 1, adau1781_bias_select_text);
0120 
0121 static const struct snd_kcontrol_new adau1781_controls[] = {
0122     SOC_SINGLE_TLV("Beep Capture Volume", ADAU1781_DMIC_BEEP_CTRL, 0, 7, 0,
0123         adau1781_beep_tlv),
0124     SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAU1781_LEFT_PGA,
0125         ADAU1781_RIGHT_PGA, 5, 7, 0, adau1781_pga_tlv),
0126     SOC_DOUBLE_R("PGA Capture Switch", ADAU1781_LEFT_PGA,
0127         ADAU1781_RIGHT_PGA, 1, 1, 0),
0128 
0129     SOC_DOUBLE_R("Lineout Playback Switch", ADAU1781_LEFT_LINEOUT,
0130         ADAU1781_RIGHT_LINEOUT, 1, 1, 0),
0131     SOC_SINGLE("Beep ZC Switch", ADAU1781_BEEP_ZC, 0, 1, 0),
0132 
0133     SOC_SINGLE("Mono Playback Switch", ADAU1781_MONO_PLAYBACK_MIXER,
0134         0, 1, 0),
0135     SOC_SINGLE_TLV("Mono Playback Volume", ADAU1781_SPEAKER, 6, 3, 0,
0136         adau1781_speaker_tlv),
0137 
0138     SOC_ENUM("ADC Bias", adau1781_adc_bias_enum),
0139     SOC_ENUM("DAC Bias", adau1781_dac_bias_enum),
0140     SOC_ENUM("Capture Bias", adau1781_capture_bias_enum),
0141     SOC_ENUM("Playback Bias", adau1781_playback_bias_enum),
0142     SOC_ENUM("Speaker Bias", adau1781_speaker_bias_enum),
0143 };
0144 
0145 static const struct snd_kcontrol_new adau1781_beep_mixer_controls[] = {
0146     SOC_DAPM_SINGLE("Beep Capture Switch", ADAU1781_DMIC_BEEP_CTRL,
0147         3, 1, 0),
0148 };
0149 
0150 static const struct snd_kcontrol_new adau1781_left_mixer_controls[] = {
0151     SOC_DAPM_SINGLE_AUTODISABLE("Switch",
0152         ADAU1781_LEFT_PLAYBACK_MIXER, 5, 1, 0),
0153     SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
0154         ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
0155 };
0156 
0157 static const struct snd_kcontrol_new adau1781_right_mixer_controls[] = {
0158     SOC_DAPM_SINGLE_AUTODISABLE("Switch",
0159         ADAU1781_RIGHT_PLAYBACK_MIXER, 6, 1, 0),
0160     SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
0161         ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
0162 };
0163 
0164 static const struct snd_kcontrol_new adau1781_mono_mixer_controls[] = {
0165     SOC_DAPM_SINGLE_AUTODISABLE("Left Switch",
0166         ADAU1781_MONO_PLAYBACK_MIXER, 7, 1, 0),
0167     SOC_DAPM_SINGLE_AUTODISABLE("Right Switch",
0168          ADAU1781_MONO_PLAYBACK_MIXER, 6, 1, 0),
0169     SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
0170         ADAU1781_MONO_PLAYBACK_MIXER, 2, 8, 0, adau1781_sidetone_tlv),
0171 };
0172 
0173 static int adau1781_dejitter_fixup(struct snd_soc_dapm_widget *w,
0174     struct snd_kcontrol *kcontrol, int event)
0175 {
0176     struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
0177     struct adau *adau = snd_soc_component_get_drvdata(component);
0178 
0179     /* After any power changes have been made the dejitter circuit
0180      * has to be reinitialized. */
0181     regmap_write(adau->regmap, ADAU1781_DEJITTER, 0);
0182     if (!adau->master)
0183         regmap_write(adau->regmap, ADAU1781_DEJITTER, 5);
0184 
0185     return 0;
0186 }
0187 
0188 static const struct snd_soc_dapm_widget adau1781_dapm_widgets[] = {
0189     SND_SOC_DAPM_PGA("Left PGA", ADAU1781_LEFT_PGA, 0, 0, NULL, 0),
0190     SND_SOC_DAPM_PGA("Right PGA", ADAU1781_RIGHT_PGA, 0, 0, NULL, 0),
0191 
0192     SND_SOC_DAPM_OUT_DRV("Speaker", ADAU1781_SPEAKER, 0, 0, NULL, 0),
0193 
0194     SOC_MIXER_NAMED_CTL_ARRAY("Beep Mixer", ADAU17X1_MICBIAS, 4, 0,
0195         adau1781_beep_mixer_controls),
0196 
0197     SOC_MIXER_ARRAY("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
0198         adau1781_left_mixer_controls),
0199     SOC_MIXER_ARRAY("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
0200         adau1781_right_mixer_controls),
0201     SOC_MIXER_ARRAY("Mono Mixer", SND_SOC_NOPM, 0, 0,
0202         adau1781_mono_mixer_controls),
0203 
0204     SND_SOC_DAPM_SUPPLY("Serial Input Routing", ADAU1781_DIG_PWDN0,
0205         2, 0, NULL, 0),
0206     SND_SOC_DAPM_SUPPLY("Serial Output Routing", ADAU1781_DIG_PWDN0,
0207         3, 0, NULL, 0),
0208     SND_SOC_DAPM_SUPPLY("Clock Domain Transfer", ADAU1781_DIG_PWDN0,
0209         5, 0, NULL, 0),
0210     SND_SOC_DAPM_SUPPLY("Serial Ports", ADAU1781_DIG_PWDN0, 4, 0, NULL, 0),
0211     SND_SOC_DAPM_SUPPLY("ADC Engine", ADAU1781_DIG_PWDN0, 7, 0, NULL, 0),
0212     SND_SOC_DAPM_SUPPLY("DAC Engine", ADAU1781_DIG_PWDN1, 0, 0, NULL, 0),
0213     SND_SOC_DAPM_SUPPLY("Digital Mic", ADAU1781_DIG_PWDN1, 1, 0, NULL, 0),
0214 
0215     SND_SOC_DAPM_SUPPLY("Sound Engine", ADAU1781_DIG_PWDN0, 0, 0, NULL, 0),
0216     SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, ADAU1781_DIG_PWDN0, 1, 0, NULL, 0),
0217 
0218     SND_SOC_DAPM_SUPPLY("Zero Crossing Detector", ADAU1781_DIG_PWDN1, 2, 0,
0219         NULL, 0),
0220 
0221     SND_SOC_DAPM_POST("Dejitter fixup", adau1781_dejitter_fixup),
0222 
0223     SND_SOC_DAPM_INPUT("BEEP"),
0224 
0225     SND_SOC_DAPM_OUTPUT("AOUTL"),
0226     SND_SOC_DAPM_OUTPUT("AOUTR"),
0227     SND_SOC_DAPM_OUTPUT("SP"),
0228     SND_SOC_DAPM_INPUT("LMIC"),
0229     SND_SOC_DAPM_INPUT("RMIC"),
0230 };
0231 
0232 static const struct snd_soc_dapm_route adau1781_dapm_routes[] = {
0233     { "Left Lineout Mixer", NULL, "Left Playback Enable" },
0234     { "Right Lineout Mixer", NULL, "Right Playback Enable" },
0235 
0236     { "Left Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
0237     { "Left Lineout Mixer", "Switch", "Left DAC" },
0238 
0239     { "Right Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
0240     { "Right Lineout Mixer", "Switch", "Right DAC" },
0241 
0242     { "Mono Mixer", "Beep Playback Volume", "Beep Mixer" },
0243     { "Mono Mixer", "Right Switch", "Right DAC" },
0244     { "Mono Mixer", "Left Switch", "Left DAC" },
0245     { "Speaker", NULL, "Mono Mixer" },
0246 
0247     { "Mono Mixer", NULL, "SYSCLK" },
0248     { "Left Lineout Mixer", NULL, "SYSCLK" },
0249     { "Left Lineout Mixer", NULL, "SYSCLK" },
0250 
0251     { "Beep Mixer", "Beep Capture Switch", "BEEP" },
0252     { "Beep Mixer", NULL, "Zero Crossing Detector" },
0253 
0254     { "Left DAC", NULL, "DAC Engine" },
0255     { "Right DAC", NULL, "DAC Engine" },
0256 
0257     { "Sound Engine", NULL, "SYSCLK" },
0258     { "DSP", NULL, "Sound Engine" },
0259 
0260     { "Left Decimator", NULL, "ADC Engine" },
0261     { "Right Decimator", NULL, "ADC Engine" },
0262 
0263     { "AIFCLK", NULL, "SYSCLK" },
0264 
0265     { "Playback", NULL, "Serial Input Routing" },
0266     { "Playback", NULL, "Serial Ports" },
0267     { "Playback", NULL, "Clock Domain Transfer" },
0268     { "Capture", NULL, "Serial Output Routing" },
0269     { "Capture", NULL, "Serial Ports" },
0270     { "Capture", NULL, "Clock Domain Transfer" },
0271 
0272     { "AOUTL", NULL, "Left Lineout Mixer" },
0273     { "AOUTR", NULL, "Right Lineout Mixer" },
0274     { "SP", NULL, "Speaker" },
0275 };
0276 
0277 static const struct snd_soc_dapm_route adau1781_adc_dapm_routes[] = {
0278     { "Left PGA", NULL, "LMIC" },
0279     { "Right PGA", NULL, "RMIC" },
0280 
0281     { "Left Decimator", NULL, "Left PGA" },
0282     { "Right Decimator", NULL, "Right PGA" },
0283 };
0284 
0285 static const char * const adau1781_dmic_select_text[] = {
0286     "DMIC1", "DMIC2",
0287 };
0288 
0289 static SOC_ENUM_SINGLE_VIRT_DECL(adau1781_dmic_select_enum,
0290     adau1781_dmic_select_text);
0291 
0292 static const struct snd_kcontrol_new adau1781_dmic_mux =
0293     SOC_DAPM_ENUM("DMIC Select", adau1781_dmic_select_enum);
0294 
0295 static const struct snd_soc_dapm_widget adau1781_dmic_dapm_widgets[] = {
0296     SND_SOC_DAPM_MUX("DMIC Select", SND_SOC_NOPM, 0, 0, &adau1781_dmic_mux),
0297 
0298     SND_SOC_DAPM_ADC("DMIC1", NULL, ADAU1781_DMIC_BEEP_CTRL, 4, 0),
0299     SND_SOC_DAPM_ADC("DMIC2", NULL, ADAU1781_DMIC_BEEP_CTRL, 5, 0),
0300 };
0301 
0302 static const struct snd_soc_dapm_route adau1781_dmic_dapm_routes[] = {
0303     { "DMIC1", NULL, "LMIC" },
0304     { "DMIC2", NULL, "RMIC" },
0305 
0306     { "DMIC1", NULL, "Digital Mic" },
0307     { "DMIC2", NULL, "Digital Mic" },
0308 
0309     { "DMIC Select", "DMIC1", "DMIC1" },
0310     { "DMIC Select", "DMIC2", "DMIC2" },
0311 
0312     { "Left Decimator", NULL, "DMIC Select" },
0313     { "Right Decimator", NULL, "DMIC Select" },
0314 };
0315 
0316 static int adau1781_set_bias_level(struct snd_soc_component *component,
0317         enum snd_soc_bias_level level)
0318 {
0319     struct adau *adau = snd_soc_component_get_drvdata(component);
0320 
0321     switch (level) {
0322     case SND_SOC_BIAS_ON:
0323         break;
0324     case SND_SOC_BIAS_PREPARE:
0325         break;
0326     case SND_SOC_BIAS_STANDBY:
0327         regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
0328             ADAU17X1_CLOCK_CONTROL_SYSCLK_EN,
0329             ADAU17X1_CLOCK_CONTROL_SYSCLK_EN);
0330 
0331         /* Precharge */
0332         regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0x8, 0x8);
0333         break;
0334     case SND_SOC_BIAS_OFF:
0335         regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0xc, 0x0);
0336         regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
0337             ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 0);
0338         break;
0339     }
0340 
0341     return 0;
0342 }
0343 
0344 static bool adau1781_readable_register(struct device *dev, unsigned int reg)
0345 {
0346     switch (reg) {
0347     case ADAU1781_DMIC_BEEP_CTRL:
0348     case ADAU1781_LEFT_PGA:
0349     case ADAU1781_RIGHT_PGA:
0350     case ADAU1781_LEFT_PLAYBACK_MIXER:
0351     case ADAU1781_RIGHT_PLAYBACK_MIXER:
0352     case ADAU1781_MONO_PLAYBACK_MIXER:
0353     case ADAU1781_LEFT_LINEOUT:
0354     case ADAU1781_RIGHT_LINEOUT:
0355     case ADAU1781_SPEAKER:
0356     case ADAU1781_BEEP_ZC:
0357     case ADAU1781_DEJITTER:
0358     case ADAU1781_DIG_PWDN0:
0359     case ADAU1781_DIG_PWDN1:
0360         return true;
0361     default:
0362         break;
0363     }
0364 
0365     return adau17x1_readable_register(dev, reg);
0366 }
0367 
0368 static int adau1781_set_input_mode(struct adau *adau, unsigned int reg,
0369     bool differential)
0370 {
0371     unsigned int val;
0372 
0373     if (differential)
0374         val = ADAU1781_INPUT_DIFFERNTIAL;
0375     else
0376         val = 0;
0377 
0378     return regmap_update_bits(adau->regmap, reg,
0379         ADAU1781_INPUT_DIFFERNTIAL, val);
0380 }
0381 
0382 static int adau1781_component_probe(struct snd_soc_component *component)
0383 {
0384     struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
0385     struct adau1781_platform_data *pdata = dev_get_platdata(component->dev);
0386     struct adau *adau = snd_soc_component_get_drvdata(component);
0387     int ret;
0388 
0389     ret = adau17x1_add_widgets(component);
0390     if (ret)
0391         return ret;
0392 
0393     if (pdata) {
0394         ret = adau1781_set_input_mode(adau, ADAU1781_LEFT_PGA,
0395             pdata->left_input_differential);
0396         if (ret)
0397             return ret;
0398         ret = adau1781_set_input_mode(adau, ADAU1781_RIGHT_PGA,
0399             pdata->right_input_differential);
0400         if (ret)
0401             return ret;
0402     }
0403 
0404     if (pdata && pdata->use_dmic) {
0405         ret = snd_soc_dapm_new_controls(dapm,
0406             adau1781_dmic_dapm_widgets,
0407             ARRAY_SIZE(adau1781_dmic_dapm_widgets));
0408         if (ret)
0409             return ret;
0410         ret = snd_soc_dapm_add_routes(dapm, adau1781_dmic_dapm_routes,
0411             ARRAY_SIZE(adau1781_dmic_dapm_routes));
0412         if (ret)
0413             return ret;
0414     } else {
0415         ret = snd_soc_dapm_add_routes(dapm, adau1781_adc_dapm_routes,
0416             ARRAY_SIZE(adau1781_adc_dapm_routes));
0417         if (ret)
0418             return ret;
0419     }
0420 
0421     ret = adau17x1_add_routes(component);
0422     if (ret < 0)
0423         return ret;
0424 
0425     return 0;
0426 }
0427 
0428 static const struct snd_soc_component_driver adau1781_component_driver = {
0429     .probe          = adau1781_component_probe,
0430     .resume         = adau17x1_resume,
0431     .set_bias_level     = adau1781_set_bias_level,
0432     .controls       = adau1781_controls,
0433     .num_controls       = ARRAY_SIZE(adau1781_controls),
0434     .dapm_widgets       = adau1781_dapm_widgets,
0435     .num_dapm_widgets   = ARRAY_SIZE(adau1781_dapm_widgets),
0436     .dapm_routes        = adau1781_dapm_routes,
0437     .num_dapm_routes    = ARRAY_SIZE(adau1781_dapm_routes),
0438     .suspend_bias_off   = 1,
0439     .idle_bias_on       = 1,
0440     .use_pmdown_time    = 1,
0441     .endianness     = 1,
0442 };
0443 
0444 #define ADAU1781_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
0445     SNDRV_PCM_FMTBIT_S32_LE)
0446 
0447 static struct snd_soc_dai_driver adau1781_dai_driver = {
0448     .name = "adau-hifi",
0449     .playback = {
0450         .stream_name = "Playback",
0451         .channels_min = 2,
0452         .channels_max = 8,
0453         .rates = SNDRV_PCM_RATE_8000_96000,
0454         .formats = ADAU1781_FORMATS,
0455     },
0456     .capture = {
0457         .stream_name = "Capture",
0458         .channels_min = 2,
0459         .channels_max = 8,
0460         .rates = SNDRV_PCM_RATE_8000_96000,
0461         .formats = ADAU1781_FORMATS,
0462     },
0463     .ops = &adau17x1_dai_ops,
0464 };
0465 
0466 const struct regmap_config adau1781_regmap_config = {
0467     .val_bits       = 8,
0468     .reg_bits       = 16,
0469     .max_register       = 0x40f8,
0470     .reg_defaults       = adau1781_reg_defaults,
0471     .num_reg_defaults   = ARRAY_SIZE(adau1781_reg_defaults),
0472     .readable_reg       = adau1781_readable_register,
0473     .volatile_reg       = adau17x1_volatile_register,
0474     .precious_reg       = adau17x1_precious_register,
0475     .cache_type     = REGCACHE_RBTREE,
0476 };
0477 EXPORT_SYMBOL_GPL(adau1781_regmap_config);
0478 
0479 int adau1781_probe(struct device *dev, struct regmap *regmap,
0480     enum adau17x1_type type, void (*switch_mode)(struct device *dev))
0481 {
0482     const char *firmware_name;
0483     int ret;
0484 
0485     switch (type) {
0486     case ADAU1381:
0487         firmware_name = ADAU1381_FIRMWARE;
0488         break;
0489     case ADAU1781:
0490         firmware_name = ADAU1781_FIRMWARE;
0491         break;
0492     default:
0493         return -EINVAL;
0494     }
0495 
0496     ret = adau17x1_probe(dev, regmap, type, switch_mode, firmware_name);
0497     if (ret)
0498         return ret;
0499 
0500     return devm_snd_soc_register_component(dev, &adau1781_component_driver,
0501         &adau1781_dai_driver, 1);
0502 }
0503 EXPORT_SYMBOL_GPL(adau1781_probe);
0504 
0505 MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 driver");
0506 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
0507 MODULE_LICENSE("GPL");
[ Source navigation ] [ Diff markup ] [ Identifier search ] [ general search ]

This page was automatically generated by the 2.1.0 LXR engine.

The LXR team
Valid CSS 2.1! Valid HTML 4.01!