1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright (c) 2017, Maxim Integrated 3 4 #include <linux/acpi.h> 5 #include <linux/delay.h> 6 #include <linux/i2c.h> 7 #include <linux/module.h> 8 #include <linux/regmap.h> 9 #include <linux/slab.h> 10 #include <linux/cdev.h> 11 #include <sound/pcm.h> 12 #include <sound/pcm_params.h> 13 #include <sound/soc.h> 14 #include <linux/gpio.h> 15 #include <linux/of.h> 16 #include <linux/of_gpio.h> 17 #include <sound/tlv.h> 18 #include "max98373.h" 19 20 static int max98373_dac_event(struct snd_soc_dapm_widget *w, 21 struct snd_kcontrol *kcontrol, int event) 22 { 23 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 24 struct max98373_priv *max98373 = snd_soc_component_get_drvdata(component); 25 26 switch (event) { 27 case SND_SOC_DAPM_POST_PMU: 28 regmap_update_bits(max98373->regmap, 29 MAX98373_R20FF_GLOBAL_SHDN, 30 MAX98373_GLOBAL_EN_MASK, 1); 31 usleep_range(30000, 31000); 32 break; 33 case SND_SOC_DAPM_POST_PMD: 34 regmap_update_bits(max98373->regmap, 35 MAX98373_R20FF_GLOBAL_SHDN, 36 MAX98373_GLOBAL_EN_MASK, 0); 37 usleep_range(30000, 31000); 38 max98373->tdm_mode = false; 39 break; 40 default: 41 return 0; 42 } 43 return 0; 44 } 45 46 static const char * const max98373_switch_text[] = { 47 "Left", "Right", "LeftRight"}; 48 49 static const struct soc_enum dai_sel_enum = 50 SOC_ENUM_SINGLE(MAX98373_R2029_PCM_TO_SPK_MONO_MIX_1, 51 MAX98373_PCM_TO_SPK_MONOMIX_CFG_SHIFT, 52 3, max98373_switch_text); 53 54 static const struct snd_kcontrol_new max98373_dai_controls = 55 SOC_DAPM_ENUM("DAI Sel", dai_sel_enum); 56 57 static const struct snd_kcontrol_new max98373_vi_control = 58 SOC_DAPM_SINGLE("Switch", MAX98373_R202C_PCM_TX_EN, 0, 1, 0); 59 60 static const struct snd_kcontrol_new max98373_spkfb_control = 61 SOC_DAPM_SINGLE("Switch", MAX98373_R2043_AMP_EN, 1, 1, 0); 62 63 static const struct snd_soc_dapm_widget max98373_dapm_widgets[] = { 64 SND_SOC_DAPM_DAC_E("Amp Enable", "HiFi Playback", 65 MAX98373_R202B_PCM_RX_EN, 0, 0, max98373_dac_event, 66 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 67 SND_SOC_DAPM_MUX("DAI Sel Mux", SND_SOC_NOPM, 0, 0, 68 &max98373_dai_controls), 69 SND_SOC_DAPM_OUTPUT("BE_OUT"), 70 SND_SOC_DAPM_AIF_OUT("Voltage Sense", "HiFi Capture", 0, 71 MAX98373_R2047_IV_SENSE_ADC_EN, 0, 0), 72 SND_SOC_DAPM_AIF_OUT("Current Sense", "HiFi Capture", 0, 73 MAX98373_R2047_IV_SENSE_ADC_EN, 1, 0), 74 SND_SOC_DAPM_AIF_OUT("Speaker FB Sense", "HiFi Capture", 0, 75 SND_SOC_NOPM, 0, 0), 76 SND_SOC_DAPM_SWITCH("VI Sense", SND_SOC_NOPM, 0, 0, 77 &max98373_vi_control), 78 SND_SOC_DAPM_SWITCH("SpkFB Sense", SND_SOC_NOPM, 0, 0, 79 &max98373_spkfb_control), 80 SND_SOC_DAPM_SIGGEN("VMON"), 81 SND_SOC_DAPM_SIGGEN("IMON"), 82 SND_SOC_DAPM_SIGGEN("FBMON"), 83 }; 84 85 static DECLARE_TLV_DB_SCALE(max98373_digital_tlv, -6350, 50, 1); 86 static const DECLARE_TLV_DB_RANGE(max98373_spk_tlv, 87 0, 8, TLV_DB_SCALE_ITEM(0, 50, 0), 88 9, 10, TLV_DB_SCALE_ITEM(500, 100, 0), 89 ); 90 static const DECLARE_TLV_DB_RANGE(max98373_spkgain_max_tlv, 91 0, 9, TLV_DB_SCALE_ITEM(800, 100, 0), 92 ); 93 static const DECLARE_TLV_DB_RANGE(max98373_dht_step_size_tlv, 94 0, 1, TLV_DB_SCALE_ITEM(25, 25, 0), 95 2, 4, TLV_DB_SCALE_ITEM(100, 100, 0), 96 ); 97 static const DECLARE_TLV_DB_RANGE(max98373_dht_spkgain_min_tlv, 98 0, 9, TLV_DB_SCALE_ITEM(800, 100, 0), 99 ); 100 static const DECLARE_TLV_DB_RANGE(max98373_dht_rotation_point_tlv, 101 0, 1, TLV_DB_SCALE_ITEM(-3000, 500, 0), 102 2, 4, TLV_DB_SCALE_ITEM(-2200, 200, 0), 103 5, 6, TLV_DB_SCALE_ITEM(-1500, 300, 0), 104 7, 9, TLV_DB_SCALE_ITEM(-1000, 200, 0), 105 10, 13, TLV_DB_SCALE_ITEM(-500, 100, 0), 106 14, 15, TLV_DB_SCALE_ITEM(-100, 50, 0), 107 ); 108 static const DECLARE_TLV_DB_RANGE(max98373_limiter_thresh_tlv, 109 0, 15, TLV_DB_SCALE_ITEM(-1500, 100, 0), 110 ); 111 112 static const DECLARE_TLV_DB_RANGE(max98373_bde_gain_tlv, 113 0, 60, TLV_DB_SCALE_ITEM(-1500, 25, 0), 114 ); 115 116 static const char * const max98373_output_voltage_lvl_text[] = { 117 "5.43V", "6.09V", "6.83V", "7.67V", "8.60V", 118 "9.65V", "10.83V", "12.15V", "13.63V", "15.29V" 119 }; 120 121 static SOC_ENUM_SINGLE_DECL(max98373_out_volt_enum, 122 MAX98373_R203E_AMP_PATH_GAIN, 0, 123 max98373_output_voltage_lvl_text); 124 125 static const char * const max98373_dht_attack_rate_text[] = { 126 "17.5us", "35us", "70us", "140us", 127 "280us", "560us", "1120us", "2240us" 128 }; 129 130 static SOC_ENUM_SINGLE_DECL(max98373_dht_attack_rate_enum, 131 MAX98373_R20D2_DHT_ATTACK_CFG, 0, 132 max98373_dht_attack_rate_text); 133 134 static const char * const max98373_dht_release_rate_text[] = { 135 "45ms", "225ms", "450ms", "1150ms", 136 "2250ms", "3100ms", "4500ms", "6750ms" 137 }; 138 139 static SOC_ENUM_SINGLE_DECL(max98373_dht_release_rate_enum, 140 MAX98373_R20D3_DHT_RELEASE_CFG, 0, 141 max98373_dht_release_rate_text); 142 143 static const char * const max98373_limiter_attack_rate_text[] = { 144 "10us", "20us", "40us", "80us", 145 "160us", "320us", "640us", "1.28ms", 146 "2.56ms", "5.12ms", "10.24ms", "20.48ms", 147 "40.96ms", "81.92ms", "16.384ms", "32.768ms" 148 }; 149 150 static SOC_ENUM_SINGLE_DECL(max98373_limiter_attack_rate_enum, 151 MAX98373_R20E1_LIMITER_ATK_REL_RATES, 4, 152 max98373_limiter_attack_rate_text); 153 154 static const char * const max98373_limiter_release_rate_text[] = { 155 "40us", "80us", "160us", "320us", 156 "640us", "1.28ms", "2.56ms", "5.120ms", 157 "10.24ms", "20.48ms", "40.96ms", "81.92ms", 158 "163.84ms", "327.68ms", "655.36ms", "1310.72ms" 159 }; 160 161 static SOC_ENUM_SINGLE_DECL(max98373_limiter_release_rate_enum, 162 MAX98373_R20E1_LIMITER_ATK_REL_RATES, 0, 163 max98373_limiter_release_rate_text); 164 165 static const char * const max98373_ADC_samplerate_text[] = { 166 "333kHz", "192kHz", "64kHz", "48kHz" 167 }; 168 169 static SOC_ENUM_SINGLE_DECL(max98373_adc_samplerate_enum, 170 MAX98373_R2051_MEAS_ADC_SAMPLING_RATE, 0, 171 max98373_ADC_samplerate_text); 172 173 static int max98373_feedback_get(struct snd_kcontrol *kcontrol, 174 struct snd_ctl_elem_value *ucontrol) 175 { 176 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 177 struct soc_mixer_control *mc = 178 (struct soc_mixer_control *)kcontrol->private_value; 179 struct max98373_priv *max98373 = snd_soc_component_get_drvdata(component); 180 int i; 181 182 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { 183 /* 184 * Register values will be cached before suspend. The cached value 185 * will be a valid value and userspace will happy with that. 186 */ 187 for (i = 0; i < max98373->cache_num; i++) { 188 if (mc->reg == max98373->cache[i].reg) { 189 ucontrol->value.integer.value[0] = max98373->cache[i].val; 190 return 0; 191 } 192 } 193 } 194 195 return snd_soc_get_volsw(kcontrol, ucontrol); 196 } 197 198 static const struct snd_kcontrol_new max98373_snd_controls[] = { 199 SOC_SINGLE("Digital Vol Sel Switch", MAX98373_R203F_AMP_DSP_CFG, 200 MAX98373_AMP_VOL_SEL_SHIFT, 1, 0), 201 SOC_SINGLE("Volume Location Switch", MAX98373_R203F_AMP_DSP_CFG, 202 MAX98373_AMP_VOL_SEL_SHIFT, 1, 0), 203 SOC_SINGLE("Ramp Up Switch", MAX98373_R203F_AMP_DSP_CFG, 204 MAX98373_AMP_DSP_CFG_RMP_UP_SHIFT, 1, 0), 205 SOC_SINGLE("Ramp Down Switch", MAX98373_R203F_AMP_DSP_CFG, 206 MAX98373_AMP_DSP_CFG_RMP_DN_SHIFT, 1, 0), 207 SOC_SINGLE("CLK Monitor Switch", MAX98373_R20FE_DEVICE_AUTO_RESTART_CFG, 208 MAX98373_CLOCK_MON_SHIFT, 1, 0), 209 SOC_SINGLE("Dither Switch", MAX98373_R203F_AMP_DSP_CFG, 210 MAX98373_AMP_DSP_CFG_DITH_SHIFT, 1, 0), 211 SOC_SINGLE("DC Blocker Switch", MAX98373_R203F_AMP_DSP_CFG, 212 MAX98373_AMP_DSP_CFG_DCBLK_SHIFT, 1, 0), 213 SOC_SINGLE_TLV("Digital Volume", MAX98373_R203D_AMP_DIG_VOL_CTRL, 214 0, 0x7F, 1, max98373_digital_tlv), 215 SOC_SINGLE_TLV("Speaker Volume", MAX98373_R203E_AMP_PATH_GAIN, 216 MAX98373_SPK_DIGI_GAIN_SHIFT, 10, 0, max98373_spk_tlv), 217 SOC_SINGLE_TLV("FS Max Volume", MAX98373_R203E_AMP_PATH_GAIN, 218 MAX98373_FS_GAIN_MAX_SHIFT, 9, 0, max98373_spkgain_max_tlv), 219 SOC_ENUM("Output Voltage", max98373_out_volt_enum), 220 /* Dynamic Headroom Tracking */ 221 SOC_SINGLE("DHT Switch", MAX98373_R20D4_DHT_EN, 222 MAX98373_DHT_EN_SHIFT, 1, 0), 223 SOC_SINGLE_TLV("DHT Min Volume", MAX98373_R20D1_DHT_CFG, 224 MAX98373_DHT_SPK_GAIN_MIN_SHIFT, 9, 0, max98373_dht_spkgain_min_tlv), 225 SOC_SINGLE_TLV("DHT Rot Pnt Volume", MAX98373_R20D1_DHT_CFG, 226 MAX98373_DHT_ROT_PNT_SHIFT, 15, 1, max98373_dht_rotation_point_tlv), 227 SOC_SINGLE_TLV("DHT Attack Step Volume", MAX98373_R20D2_DHT_ATTACK_CFG, 228 MAX98373_DHT_ATTACK_STEP_SHIFT, 4, 0, max98373_dht_step_size_tlv), 229 SOC_SINGLE_TLV("DHT Release Step Volume", MAX98373_R20D3_DHT_RELEASE_CFG, 230 MAX98373_DHT_RELEASE_STEP_SHIFT, 4, 0, max98373_dht_step_size_tlv), 231 SOC_ENUM("DHT Attack Rate", max98373_dht_attack_rate_enum), 232 SOC_ENUM("DHT Release Rate", max98373_dht_release_rate_enum), 233 /* ADC configuration */ 234 SOC_SINGLE("ADC PVDD CH Switch", MAX98373_R2056_MEAS_ADC_PVDD_CH_EN, 0, 1, 0), 235 SOC_SINGLE("ADC PVDD FLT Switch", MAX98373_R2052_MEAS_ADC_PVDD_FLT_CFG, 236 MAX98373_FLT_EN_SHIFT, 1, 0), 237 SOC_SINGLE("ADC TEMP FLT Switch", MAX98373_R2053_MEAS_ADC_THERM_FLT_CFG, 238 MAX98373_FLT_EN_SHIFT, 1, 0), 239 SOC_SINGLE_EXT("ADC PVDD", MAX98373_R2054_MEAS_ADC_PVDD_CH_READBACK, 0, 0xFF, 0, 240 max98373_feedback_get, NULL), 241 SOC_SINGLE_EXT("ADC TEMP", MAX98373_R2055_MEAS_ADC_THERM_CH_READBACK, 0, 0xFF, 0, 242 max98373_feedback_get, NULL), 243 SOC_SINGLE("ADC PVDD FLT Coeff", MAX98373_R2052_MEAS_ADC_PVDD_FLT_CFG, 244 0, 0x3, 0), 245 SOC_SINGLE("ADC TEMP FLT Coeff", MAX98373_R2053_MEAS_ADC_THERM_FLT_CFG, 246 0, 0x3, 0), 247 SOC_ENUM("ADC SampleRate", max98373_adc_samplerate_enum), 248 /* Brownout Detection Engine */ 249 SOC_SINGLE("BDE Switch", MAX98373_R20B5_BDE_EN, MAX98373_BDE_EN_SHIFT, 1, 0), 250 SOC_SINGLE("BDE LVL4 Mute Switch", MAX98373_R20B2_BDE_L4_CFG_2, 251 MAX98373_LVL4_MUTE_EN_SHIFT, 1, 0), 252 SOC_SINGLE("BDE LVL4 Hold Switch", MAX98373_R20B2_BDE_L4_CFG_2, 253 MAX98373_LVL4_HOLD_EN_SHIFT, 1, 0), 254 SOC_SINGLE("BDE LVL1 Thresh", MAX98373_R2097_BDE_L1_THRESH, 0, 0xFF, 0), 255 SOC_SINGLE("BDE LVL2 Thresh", MAX98373_R2098_BDE_L2_THRESH, 0, 0xFF, 0), 256 SOC_SINGLE("BDE LVL3 Thresh", MAX98373_R2099_BDE_L3_THRESH, 0, 0xFF, 0), 257 SOC_SINGLE("BDE LVL4 Thresh", MAX98373_R209A_BDE_L4_THRESH, 0, 0xFF, 0), 258 SOC_SINGLE_EXT("BDE Active Level", MAX98373_R20B6_BDE_CUR_STATE_READBACK, 0, 8, 0, 259 max98373_feedback_get, NULL), 260 SOC_SINGLE("BDE Clip Mode Switch", MAX98373_R2092_BDE_CLIPPER_MODE, 0, 1, 0), 261 SOC_SINGLE("BDE Thresh Hysteresis", MAX98373_R209B_BDE_THRESH_HYST, 0, 0xFF, 0), 262 SOC_SINGLE("BDE Hold Time", MAX98373_R2090_BDE_LVL_HOLD, 0, 0xFF, 0), 263 SOC_SINGLE("BDE Attack Rate", MAX98373_R2091_BDE_GAIN_ATK_REL_RATE, 4, 0xF, 0), 264 SOC_SINGLE("BDE Release Rate", MAX98373_R2091_BDE_GAIN_ATK_REL_RATE, 0, 0xF, 0), 265 SOC_SINGLE_TLV("BDE LVL1 Clip Thresh Volume", MAX98373_R20A9_BDE_L1_CFG_2, 266 0, 0x3C, 1, max98373_bde_gain_tlv), 267 SOC_SINGLE_TLV("BDE LVL2 Clip Thresh Volume", MAX98373_R20AC_BDE_L2_CFG_2, 268 0, 0x3C, 1, max98373_bde_gain_tlv), 269 SOC_SINGLE_TLV("BDE LVL3 Clip Thresh Volume", MAX98373_R20AF_BDE_L3_CFG_2, 270 0, 0x3C, 1, max98373_bde_gain_tlv), 271 SOC_SINGLE_TLV("BDE LVL4 Clip Thresh Volume", MAX98373_R20B2_BDE_L4_CFG_2, 272 0, 0x3C, 1, max98373_bde_gain_tlv), 273 SOC_SINGLE_TLV("BDE LVL1 Clip Reduction Volume", MAX98373_R20AA_BDE_L1_CFG_3, 274 0, 0x3C, 1, max98373_bde_gain_tlv), 275 SOC_SINGLE_TLV("BDE LVL2 Clip Reduction Volume", MAX98373_R20AD_BDE_L2_CFG_3, 276 0, 0x3C, 1, max98373_bde_gain_tlv), 277 SOC_SINGLE_TLV("BDE LVL3 Clip Reduction Volume", MAX98373_R20B0_BDE_L3_CFG_3, 278 0, 0x3C, 1, max98373_bde_gain_tlv), 279 SOC_SINGLE_TLV("BDE LVL4 Clip Reduction Volume", MAX98373_R20B3_BDE_L4_CFG_3, 280 0, 0x3C, 1, max98373_bde_gain_tlv), 281 SOC_SINGLE_TLV("BDE LVL1 Limiter Thresh Volume", MAX98373_R20A8_BDE_L1_CFG_1, 282 0, 0xF, 1, max98373_limiter_thresh_tlv), 283 SOC_SINGLE_TLV("BDE LVL2 Limiter Thresh Volume", MAX98373_R20AB_BDE_L2_CFG_1, 284 0, 0xF, 1, max98373_limiter_thresh_tlv), 285 SOC_SINGLE_TLV("BDE LVL3 Limiter Thresh Volume", MAX98373_R20AE_BDE_L3_CFG_1, 286 0, 0xF, 1, max98373_limiter_thresh_tlv), 287 SOC_SINGLE_TLV("BDE LVL4 Limiter Thresh Volume", MAX98373_R20B1_BDE_L4_CFG_1, 288 0, 0xF, 1, max98373_limiter_thresh_tlv), 289 /* Limiter */ 290 SOC_SINGLE("Limiter Switch", MAX98373_R20E2_LIMITER_EN, 291 MAX98373_LIMITER_EN_SHIFT, 1, 0), 292 SOC_SINGLE("Limiter Src Switch", MAX98373_R20E0_LIMITER_THRESH_CFG, 293 MAX98373_LIMITER_THRESH_SRC_SHIFT, 1, 0), 294 SOC_SINGLE_TLV("Limiter Thresh Volume", MAX98373_R20E0_LIMITER_THRESH_CFG, 295 MAX98373_LIMITER_THRESH_SHIFT, 15, 0, max98373_limiter_thresh_tlv), 296 SOC_ENUM("Limiter Attack Rate", max98373_limiter_attack_rate_enum), 297 SOC_ENUM("Limiter Release Rate", max98373_limiter_release_rate_enum), 298 }; 299 300 static const struct snd_soc_dapm_route max98373_audio_map[] = { 301 /* Plabyack */ 302 {"DAI Sel Mux", "Left", "Amp Enable"}, 303 {"DAI Sel Mux", "Right", "Amp Enable"}, 304 {"DAI Sel Mux", "LeftRight", "Amp Enable"}, 305 {"BE_OUT", NULL, "DAI Sel Mux"}, 306 /* Capture */ 307 { "VI Sense", "Switch", "VMON" }, 308 { "VI Sense", "Switch", "IMON" }, 309 { "SpkFB Sense", "Switch", "FBMON" }, 310 { "Voltage Sense", NULL, "VI Sense" }, 311 { "Current Sense", NULL, "VI Sense" }, 312 { "Speaker FB Sense", NULL, "SpkFB Sense" }, 313 }; 314 315 void max98373_reset(struct max98373_priv *max98373, struct device *dev) 316 { 317 int ret, reg, count; 318 319 /* Software Reset */ 320 ret = regmap_update_bits(max98373->regmap, 321 MAX98373_R2000_SW_RESET, 322 MAX98373_SOFT_RESET, 323 MAX98373_SOFT_RESET); 324 if (ret) 325 dev_err(dev, "Reset command failed. (ret:%d)\n", ret); 326 327 count = 0; 328 while (count < 3) { 329 usleep_range(10000, 11000); 330 /* Software Reset Verification */ 331 ret = regmap_read(max98373->regmap, 332 MAX98373_R21FF_REV_ID, ®); 333 if (!ret) { 334 dev_info(dev, "Reset completed (retry:%d)\n", count); 335 return; 336 } 337 count++; 338 } 339 dev_err(dev, "Reset failed. (ret:%d)\n", ret); 340 } 341 EXPORT_SYMBOL_GPL(max98373_reset); 342 343 static int max98373_probe(struct snd_soc_component *component) 344 { 345 struct max98373_priv *max98373 = snd_soc_component_get_drvdata(component); 346 347 /* Software Reset */ 348 max98373_reset(max98373, component->dev); 349 350 /* IV default slot configuration */ 351 regmap_write(max98373->regmap, 352 MAX98373_R2020_PCM_TX_HIZ_EN_1, 353 0xFF); 354 regmap_write(max98373->regmap, 355 MAX98373_R2021_PCM_TX_HIZ_EN_2, 356 0xFF); 357 /* L/R mix configuration */ 358 regmap_write(max98373->regmap, 359 MAX98373_R2029_PCM_TO_SPK_MONO_MIX_1, 360 0x80); 361 regmap_write(max98373->regmap, 362 MAX98373_R202A_PCM_TO_SPK_MONO_MIX_2, 363 0x1); 364 /* Enable DC blocker */ 365 regmap_write(max98373->regmap, 366 MAX98373_R203F_AMP_DSP_CFG, 367 0x3); 368 /* Enable IMON VMON DC blocker */ 369 regmap_write(max98373->regmap, 370 MAX98373_R2046_IV_SENSE_ADC_DSP_CFG, 371 0x7); 372 /* voltage, current slot configuration */ 373 regmap_write(max98373->regmap, 374 MAX98373_R2022_PCM_TX_SRC_1, 375 (max98373->i_slot << MAX98373_PCM_TX_CH_SRC_A_I_SHIFT | 376 max98373->v_slot) & 0xFF); 377 if (max98373->v_slot < 8) 378 regmap_update_bits(max98373->regmap, 379 MAX98373_R2020_PCM_TX_HIZ_EN_1, 380 1 << max98373->v_slot, 0); 381 else 382 regmap_update_bits(max98373->regmap, 383 MAX98373_R2021_PCM_TX_HIZ_EN_2, 384 1 << (max98373->v_slot - 8), 0); 385 386 if (max98373->i_slot < 8) 387 regmap_update_bits(max98373->regmap, 388 MAX98373_R2020_PCM_TX_HIZ_EN_1, 389 1 << max98373->i_slot, 0); 390 else 391 regmap_update_bits(max98373->regmap, 392 MAX98373_R2021_PCM_TX_HIZ_EN_2, 393 1 << (max98373->i_slot - 8), 0); 394 395 /* speaker feedback slot configuration */ 396 regmap_write(max98373->regmap, 397 MAX98373_R2023_PCM_TX_SRC_2, 398 max98373->spkfb_slot & 0xFF); 399 400 /* Set interleave mode */ 401 if (max98373->interleave_mode) 402 regmap_update_bits(max98373->regmap, 403 MAX98373_R2024_PCM_DATA_FMT_CFG, 404 MAX98373_PCM_TX_CH_INTERLEAVE_MASK, 405 MAX98373_PCM_TX_CH_INTERLEAVE_MASK); 406 407 /* Speaker enable */ 408 regmap_update_bits(max98373->regmap, 409 MAX98373_R2043_AMP_EN, 410 MAX98373_SPK_EN_MASK, 1); 411 412 return 0; 413 } 414 415 const struct snd_soc_component_driver soc_codec_dev_max98373 = { 416 .probe = max98373_probe, 417 .controls = max98373_snd_controls, 418 .num_controls = ARRAY_SIZE(max98373_snd_controls), 419 .dapm_widgets = max98373_dapm_widgets, 420 .num_dapm_widgets = ARRAY_SIZE(max98373_dapm_widgets), 421 .dapm_routes = max98373_audio_map, 422 .num_dapm_routes = ARRAY_SIZE(max98373_audio_map), 423 .use_pmdown_time = 1, 424 .endianness = 1, 425 .non_legacy_dai_naming = 1, 426 }; 427 EXPORT_SYMBOL_GPL(soc_codec_dev_max98373); 428 429 const struct snd_soc_component_driver soc_codec_dev_max98373_sdw = { 430 .probe = NULL, 431 .controls = max98373_snd_controls, 432 .num_controls = ARRAY_SIZE(max98373_snd_controls), 433 .dapm_widgets = max98373_dapm_widgets, 434 .num_dapm_widgets = ARRAY_SIZE(max98373_dapm_widgets), 435 .dapm_routes = max98373_audio_map, 436 .num_dapm_routes = ARRAY_SIZE(max98373_audio_map), 437 .use_pmdown_time = 1, 438 .endianness = 1, 439 .non_legacy_dai_naming = 1, 440 }; 441 EXPORT_SYMBOL_GPL(soc_codec_dev_max98373_sdw); 442 443 void max98373_slot_config(struct device *dev, 444 struct max98373_priv *max98373) 445 { 446 int value; 447 448 if (!device_property_read_u32(dev, "maxim,vmon-slot-no", &value)) 449 max98373->v_slot = value & 0xF; 450 else 451 max98373->v_slot = 0; 452 453 if (!device_property_read_u32(dev, "maxim,imon-slot-no", &value)) 454 max98373->i_slot = value & 0xF; 455 else 456 max98373->i_slot = 1; 457 if (dev->of_node) { 458 max98373->reset_gpio = of_get_named_gpio(dev->of_node, 459 "maxim,reset-gpio", 0); 460 if (!gpio_is_valid(max98373->reset_gpio)) { 461 dev_err(dev, "Looking up %s property in node %s failed %d\n", 462 "maxim,reset-gpio", dev->of_node->full_name, 463 max98373->reset_gpio); 464 } else { 465 dev_dbg(dev, "maxim,reset-gpio=%d", 466 max98373->reset_gpio); 467 } 468 } else { 469 /* this makes reset_gpio as invalid */ 470 max98373->reset_gpio = -1; 471 } 472 473 if (!device_property_read_u32(dev, "maxim,spkfb-slot-no", &value)) 474 max98373->spkfb_slot = value & 0xF; 475 else 476 max98373->spkfb_slot = 2; 477 } 478 EXPORT_SYMBOL_GPL(max98373_slot_config); 479 480 MODULE_DESCRIPTION("ALSA SoC MAX98373 driver"); 481 MODULE_AUTHOR("Ryan Lee <ryans.lee@maximintegrated.com>"); 482 MODULE_LICENSE("GPL"); 483