1 /* 2 * ALSA SoC TLV320AIC31XX codec driver 3 * 4 * Copyright (C) 2014 Texas Instruments, Inc. 5 * 6 * Author: Jyri Sarha <jsarha@ti.com> 7 * 8 * Based on ground work by: Ajit Kulkarni <x0175765@ti.com> 9 * 10 * This package is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License version 2 as 12 * published by the Free Software Foundation. 13 * 14 * THIS PACKAGE IS PROVIDED AS IS AND WITHOUT ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 17 * 18 * The TLV320AIC31xx series of audio codec is a low-power, highly integrated 19 * high performance codec which provides a stereo DAC, a mono ADC, 20 * and mono/stereo Class-D speaker driver. 21 */ 22 23 #include <linux/module.h> 24 #include <linux/moduleparam.h> 25 #include <linux/init.h> 26 #include <linux/delay.h> 27 #include <linux/pm.h> 28 #include <linux/i2c.h> 29 #include <linux/gpio.h> 30 #include <linux/regulator/consumer.h> 31 #include <linux/of.h> 32 #include <linux/of_gpio.h> 33 #include <linux/slab.h> 34 #include <sound/core.h> 35 #include <sound/pcm.h> 36 #include <sound/pcm_params.h> 37 #include <sound/soc.h> 38 #include <sound/initval.h> 39 #include <sound/tlv.h> 40 #include <dt-bindings/sound/tlv320aic31xx-micbias.h> 41 42 #include "tlv320aic31xx.h" 43 44 static const struct reg_default aic31xx_reg_defaults[] = { 45 { AIC31XX_CLKMUX, 0x00 }, 46 { AIC31XX_PLLPR, 0x11 }, 47 { AIC31XX_PLLJ, 0x04 }, 48 { AIC31XX_PLLDMSB, 0x00 }, 49 { AIC31XX_PLLDLSB, 0x00 }, 50 { AIC31XX_NDAC, 0x01 }, 51 { AIC31XX_MDAC, 0x01 }, 52 { AIC31XX_DOSRMSB, 0x00 }, 53 { AIC31XX_DOSRLSB, 0x80 }, 54 { AIC31XX_NADC, 0x01 }, 55 { AIC31XX_MADC, 0x01 }, 56 { AIC31XX_AOSR, 0x80 }, 57 { AIC31XX_IFACE1, 0x00 }, 58 { AIC31XX_DATA_OFFSET, 0x00 }, 59 { AIC31XX_IFACE2, 0x00 }, 60 { AIC31XX_BCLKN, 0x01 }, 61 { AIC31XX_DACSETUP, 0x14 }, 62 { AIC31XX_DACMUTE, 0x0c }, 63 { AIC31XX_LDACVOL, 0x00 }, 64 { AIC31XX_RDACVOL, 0x00 }, 65 { AIC31XX_ADCSETUP, 0x00 }, 66 { AIC31XX_ADCFGA, 0x80 }, 67 { AIC31XX_ADCVOL, 0x00 }, 68 { AIC31XX_HPDRIVER, 0x04 }, 69 { AIC31XX_SPKAMP, 0x06 }, 70 { AIC31XX_DACMIXERROUTE, 0x00 }, 71 { AIC31XX_LANALOGHPL, 0x7f }, 72 { AIC31XX_RANALOGHPR, 0x7f }, 73 { AIC31XX_LANALOGSPL, 0x7f }, 74 { AIC31XX_RANALOGSPR, 0x7f }, 75 { AIC31XX_HPLGAIN, 0x02 }, 76 { AIC31XX_HPRGAIN, 0x02 }, 77 { AIC31XX_SPLGAIN, 0x00 }, 78 { AIC31XX_SPRGAIN, 0x00 }, 79 { AIC31XX_MICBIAS, 0x00 }, 80 { AIC31XX_MICPGA, 0x80 }, 81 { AIC31XX_MICPGAPI, 0x00 }, 82 { AIC31XX_MICPGAMI, 0x00 }, 83 }; 84 85 static bool aic31xx_volatile(struct device *dev, unsigned int reg) 86 { 87 switch (reg) { 88 case AIC31XX_PAGECTL: /* regmap implementation requires this */ 89 case AIC31XX_RESET: /* always clears after write */ 90 case AIC31XX_OT_FLAG: 91 case AIC31XX_ADCFLAG: 92 case AIC31XX_DACFLAG1: 93 case AIC31XX_DACFLAG2: 94 case AIC31XX_OFFLAG: /* Sticky interrupt flags */ 95 case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */ 96 case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */ 97 case AIC31XX_INTRDACFLAG2: 98 case AIC31XX_INTRADCFLAG2: 99 return true; 100 } 101 return false; 102 } 103 104 static bool aic31xx_writeable(struct device *dev, unsigned int reg) 105 { 106 switch (reg) { 107 case AIC31XX_OT_FLAG: 108 case AIC31XX_ADCFLAG: 109 case AIC31XX_DACFLAG1: 110 case AIC31XX_DACFLAG2: 111 case AIC31XX_OFFLAG: /* Sticky interrupt flags */ 112 case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */ 113 case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */ 114 case AIC31XX_INTRDACFLAG2: 115 case AIC31XX_INTRADCFLAG2: 116 return false; 117 } 118 return true; 119 } 120 121 static const struct regmap_range_cfg aic31xx_ranges[] = { 122 { 123 .range_min = 0, 124 .range_max = 12 * 128, 125 .selector_reg = AIC31XX_PAGECTL, 126 .selector_mask = 0xff, 127 .selector_shift = 0, 128 .window_start = 0, 129 .window_len = 128, 130 }, 131 }; 132 133 static const struct regmap_config aic31xx_i2c_regmap = { 134 .reg_bits = 8, 135 .val_bits = 8, 136 .writeable_reg = aic31xx_writeable, 137 .volatile_reg = aic31xx_volatile, 138 .reg_defaults = aic31xx_reg_defaults, 139 .num_reg_defaults = ARRAY_SIZE(aic31xx_reg_defaults), 140 .cache_type = REGCACHE_RBTREE, 141 .ranges = aic31xx_ranges, 142 .num_ranges = ARRAY_SIZE(aic31xx_ranges), 143 .max_register = 12 * 128, 144 }; 145 146 #define AIC31XX_NUM_SUPPLIES 6 147 static const char * const aic31xx_supply_names[AIC31XX_NUM_SUPPLIES] = { 148 "HPVDD", 149 "SPRVDD", 150 "SPLVDD", 151 "AVDD", 152 "IOVDD", 153 "DVDD", 154 }; 155 156 struct aic31xx_disable_nb { 157 struct notifier_block nb; 158 struct aic31xx_priv *aic31xx; 159 }; 160 161 struct aic31xx_priv { 162 struct snd_soc_codec *codec; 163 u8 i2c_regs_status; 164 struct device *dev; 165 struct regmap *regmap; 166 struct aic31xx_pdata pdata; 167 struct regulator_bulk_data supplies[AIC31XX_NUM_SUPPLIES]; 168 struct aic31xx_disable_nb disable_nb[AIC31XX_NUM_SUPPLIES]; 169 unsigned int sysclk; 170 u8 p_div; 171 int rate_div_line; 172 }; 173 174 struct aic31xx_rate_divs { 175 u32 mclk_p; 176 u32 rate; 177 u8 pll_j; 178 u16 pll_d; 179 u16 dosr; 180 u8 ndac; 181 u8 mdac; 182 u8 aosr; 183 u8 nadc; 184 u8 madc; 185 }; 186 187 /* ADC dividers can be disabled by cofiguring them to 0 */ 188 static const struct aic31xx_rate_divs aic31xx_divs[] = { 189 /* mclk/p rate pll: j d dosr ndac mdac aors nadc madc */ 190 /* 8k rate */ 191 {12000000, 8000, 8, 1920, 128, 48, 2, 128, 48, 2}, 192 {12000000, 8000, 8, 1920, 128, 32, 3, 128, 32, 3}, 193 {12500000, 8000, 7, 8643, 128, 48, 2, 128, 48, 2}, 194 /* 11.025k rate */ 195 {12000000, 11025, 7, 5264, 128, 32, 2, 128, 32, 2}, 196 {12000000, 11025, 8, 4672, 128, 24, 3, 128, 24, 3}, 197 {12500000, 11025, 7, 2253, 128, 32, 2, 128, 32, 2}, 198 /* 16k rate */ 199 {12000000, 16000, 8, 1920, 128, 24, 2, 128, 24, 2}, 200 {12000000, 16000, 8, 1920, 128, 16, 3, 128, 16, 3}, 201 {12500000, 16000, 7, 8643, 128, 24, 2, 128, 24, 2}, 202 /* 22.05k rate */ 203 {12000000, 22050, 7, 5264, 128, 16, 2, 128, 16, 2}, 204 {12000000, 22050, 8, 4672, 128, 12, 3, 128, 12, 3}, 205 {12500000, 22050, 7, 2253, 128, 16, 2, 128, 16, 2}, 206 /* 32k rate */ 207 {12000000, 32000, 8, 1920, 128, 12, 2, 128, 12, 2}, 208 {12000000, 32000, 8, 1920, 128, 8, 3, 128, 8, 3}, 209 {12500000, 32000, 7, 8643, 128, 12, 2, 128, 12, 2}, 210 /* 44.1k rate */ 211 {12000000, 44100, 7, 5264, 128, 8, 2, 128, 8, 2}, 212 {12000000, 44100, 8, 4672, 128, 6, 3, 128, 6, 3}, 213 {12500000, 44100, 7, 2253, 128, 8, 2, 128, 8, 2}, 214 /* 48k rate */ 215 {12000000, 48000, 8, 1920, 128, 8, 2, 128, 8, 2}, 216 {12000000, 48000, 7, 6800, 96, 5, 4, 96, 5, 4}, 217 {12500000, 48000, 7, 8643, 128, 8, 2, 128, 8, 2}, 218 /* 88.2k rate */ 219 {12000000, 88200, 7, 5264, 64, 8, 2, 64, 8, 2}, 220 {12000000, 88200, 8, 4672, 64, 6, 3, 64, 6, 3}, 221 {12500000, 88200, 7, 2253, 64, 8, 2, 64, 8, 2}, 222 /* 96k rate */ 223 {12000000, 96000, 8, 1920, 64, 8, 2, 64, 8, 2}, 224 {12000000, 96000, 7, 6800, 48, 5, 4, 48, 5, 4}, 225 {12500000, 96000, 7, 8643, 64, 8, 2, 64, 8, 2}, 226 /* 176.4k rate */ 227 {12000000, 176400, 7, 5264, 32, 8, 2, 32, 8, 2}, 228 {12000000, 176400, 8, 4672, 32, 6, 3, 32, 6, 3}, 229 {12500000, 176400, 7, 2253, 32, 8, 2, 32, 8, 2}, 230 /* 192k rate */ 231 {12000000, 192000, 8, 1920, 32, 8, 2, 32, 8, 2}, 232 {12000000, 192000, 7, 6800, 24, 5, 4, 24, 5, 4}, 233 {12500000, 192000, 7, 8643, 32, 8, 2, 32, 8, 2}, 234 }; 235 236 static const char * const ldac_in_text[] = { 237 "Off", "Left Data", "Right Data", "Mono" 238 }; 239 240 static const char * const rdac_in_text[] = { 241 "Off", "Right Data", "Left Data", "Mono" 242 }; 243 244 static SOC_ENUM_SINGLE_DECL(ldac_in_enum, AIC31XX_DACSETUP, 4, ldac_in_text); 245 246 static SOC_ENUM_SINGLE_DECL(rdac_in_enum, AIC31XX_DACSETUP, 2, rdac_in_text); 247 248 static const char * const mic_select_text[] = { 249 "Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm" 250 }; 251 252 static SOC_ENUM_SINGLE_DECL(mic1lp_p_enum, AIC31XX_MICPGAPI, 6, 253 mic_select_text); 254 static SOC_ENUM_SINGLE_DECL(mic1rp_p_enum, AIC31XX_MICPGAPI, 4, 255 mic_select_text); 256 static SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2, 257 mic_select_text); 258 259 static SOC_ENUM_SINGLE_DECL(cm_m_enum, AIC31XX_MICPGAMI, 6, mic_select_text); 260 static SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4, 261 mic_select_text); 262 263 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0); 264 static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0); 265 static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0); 266 static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0); 267 static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0); 268 static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0); 269 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0); 270 static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0); 271 272 /* 273 * controls to be exported to the user space 274 */ 275 static const struct snd_kcontrol_new aic31xx_snd_controls[] = { 276 SOC_DOUBLE_R_S_TLV("DAC Playback Volume", AIC31XX_LDACVOL, 277 AIC31XX_RDACVOL, 0, -127, 48, 7, 0, dac_vol_tlv), 278 279 SOC_SINGLE_TLV("ADC Fine Capture Volume", AIC31XX_ADCFGA, 4, 4, 1, 280 adc_fgain_tlv), 281 282 SOC_SINGLE("ADC Capture Switch", AIC31XX_ADCFGA, 7, 1, 1), 283 SOC_DOUBLE_R_S_TLV("ADC Capture Volume", AIC31XX_ADCVOL, AIC31XX_ADCVOL, 284 0, -24, 40, 6, 0, adc_cgain_tlv), 285 286 SOC_SINGLE_TLV("Mic PGA Capture Volume", AIC31XX_MICPGA, 0, 287 119, 0, mic_pga_tlv), 288 289 SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN, 290 AIC31XX_HPRGAIN, 2, 1, 0), 291 SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN, 292 AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv), 293 294 SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL, 295 AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv), 296 }; 297 298 static const struct snd_kcontrol_new aic311x_snd_controls[] = { 299 SOC_DOUBLE_R("Speaker Driver Playback Switch", AIC31XX_SPLGAIN, 300 AIC31XX_SPRGAIN, 2, 1, 0), 301 SOC_DOUBLE_R_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN, 302 AIC31XX_SPRGAIN, 3, 3, 0, class_D_drv_tlv), 303 304 SOC_DOUBLE_R_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL, 305 AIC31XX_RANALOGSPR, 0, 0x7F, 1, sp_vol_tlv), 306 }; 307 308 static const struct snd_kcontrol_new aic310x_snd_controls[] = { 309 SOC_SINGLE("Speaker Driver Playback Switch", AIC31XX_SPLGAIN, 310 2, 1, 0), 311 SOC_SINGLE_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN, 312 3, 3, 0, class_D_drv_tlv), 313 314 SOC_SINGLE_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL, 315 0, 0x7F, 1, sp_vol_tlv), 316 }; 317 318 static const struct snd_kcontrol_new ldac_in_control = 319 SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum); 320 321 static const struct snd_kcontrol_new rdac_in_control = 322 SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum); 323 324 static int aic31xx_wait_bits(struct aic31xx_priv *aic31xx, unsigned int reg, 325 unsigned int mask, unsigned int wbits, int sleep, 326 int count) 327 { 328 unsigned int bits; 329 int counter = count; 330 int ret = regmap_read(aic31xx->regmap, reg, &bits); 331 332 while ((bits & mask) != wbits && counter && !ret) { 333 usleep_range(sleep, sleep * 2); 334 ret = regmap_read(aic31xx->regmap, reg, &bits); 335 counter--; 336 } 337 if ((bits & mask) != wbits) { 338 dev_err(aic31xx->dev, 339 "%s: Failed! 0x%x was 0x%x expected 0x%x (%d, 0x%x, %d us)\n", 340 __func__, reg, bits, wbits, ret, mask, 341 (count - counter) * sleep); 342 ret = -1; 343 } 344 return ret; 345 } 346 347 #define WIDGET_BIT(reg, shift) (((shift) << 8) | (reg)) 348 349 static int aic31xx_dapm_power_event(struct snd_soc_dapm_widget *w, 350 struct snd_kcontrol *kcontrol, int event) 351 { 352 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 353 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 354 unsigned int reg = AIC31XX_DACFLAG1; 355 unsigned int mask; 356 357 switch (WIDGET_BIT(w->reg, w->shift)) { 358 case WIDGET_BIT(AIC31XX_DACSETUP, 7): 359 mask = AIC31XX_LDACPWRSTATUS_MASK; 360 break; 361 case WIDGET_BIT(AIC31XX_DACSETUP, 6): 362 mask = AIC31XX_RDACPWRSTATUS_MASK; 363 break; 364 case WIDGET_BIT(AIC31XX_HPDRIVER, 7): 365 mask = AIC31XX_HPLDRVPWRSTATUS_MASK; 366 break; 367 case WIDGET_BIT(AIC31XX_HPDRIVER, 6): 368 mask = AIC31XX_HPRDRVPWRSTATUS_MASK; 369 break; 370 case WIDGET_BIT(AIC31XX_SPKAMP, 7): 371 mask = AIC31XX_SPLDRVPWRSTATUS_MASK; 372 break; 373 case WIDGET_BIT(AIC31XX_SPKAMP, 6): 374 mask = AIC31XX_SPRDRVPWRSTATUS_MASK; 375 break; 376 case WIDGET_BIT(AIC31XX_ADCSETUP, 7): 377 mask = AIC31XX_ADCPWRSTATUS_MASK; 378 reg = AIC31XX_ADCFLAG; 379 break; 380 default: 381 dev_err(codec->dev, "Unknown widget '%s' calling %s\n", 382 w->name, __func__); 383 return -EINVAL; 384 } 385 386 switch (event) { 387 case SND_SOC_DAPM_POST_PMU: 388 return aic31xx_wait_bits(aic31xx, reg, mask, mask, 5000, 100); 389 case SND_SOC_DAPM_POST_PMD: 390 return aic31xx_wait_bits(aic31xx, reg, mask, 0, 5000, 100); 391 default: 392 dev_dbg(codec->dev, 393 "Unhandled dapm widget event %d from %s\n", 394 event, w->name); 395 } 396 return 0; 397 } 398 399 static const struct snd_kcontrol_new left_output_switches[] = { 400 SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0), 401 SOC_DAPM_SINGLE("From MIC1LP", AIC31XX_DACMIXERROUTE, 5, 1, 0), 402 SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 4, 1, 0), 403 }; 404 405 static const struct snd_kcontrol_new right_output_switches[] = { 406 SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0), 407 SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 1, 1, 0), 408 }; 409 410 static const struct snd_kcontrol_new p_term_mic1lp = 411 SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum); 412 413 static const struct snd_kcontrol_new p_term_mic1rp = 414 SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum); 415 416 static const struct snd_kcontrol_new p_term_mic1lm = 417 SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum); 418 419 static const struct snd_kcontrol_new m_term_mic1lm = 420 SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum); 421 422 static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch = 423 SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0); 424 425 static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch = 426 SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0); 427 428 static const struct snd_kcontrol_new aic31xx_dapm_spl_switch = 429 SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0); 430 431 static const struct snd_kcontrol_new aic31xx_dapm_spr_switch = 432 SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0); 433 434 static int mic_bias_event(struct snd_soc_dapm_widget *w, 435 struct snd_kcontrol *kcontrol, int event) 436 { 437 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 438 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 439 440 switch (event) { 441 case SND_SOC_DAPM_POST_PMU: 442 /* change mic bias voltage to user defined */ 443 snd_soc_update_bits(codec, AIC31XX_MICBIAS, 444 AIC31XX_MICBIAS_MASK, 445 aic31xx->pdata.micbias_vg << 446 AIC31XX_MICBIAS_SHIFT); 447 dev_dbg(codec->dev, "%s: turned on\n", __func__); 448 break; 449 case SND_SOC_DAPM_PRE_PMD: 450 /* turn mic bias off */ 451 snd_soc_update_bits(codec, AIC31XX_MICBIAS, 452 AIC31XX_MICBIAS_MASK, 0); 453 dev_dbg(codec->dev, "%s: turned off\n", __func__); 454 break; 455 } 456 return 0; 457 } 458 459 static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = { 460 SND_SOC_DAPM_AIF_IN("DAC IN", "DAC Playback", 0, SND_SOC_NOPM, 0, 0), 461 462 SND_SOC_DAPM_MUX("DAC Left Input", 463 SND_SOC_NOPM, 0, 0, &ldac_in_control), 464 SND_SOC_DAPM_MUX("DAC Right Input", 465 SND_SOC_NOPM, 0, 0, &rdac_in_control), 466 /* DACs */ 467 SND_SOC_DAPM_DAC_E("DAC Left", "Left Playback", 468 AIC31XX_DACSETUP, 7, 0, aic31xx_dapm_power_event, 469 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 470 471 SND_SOC_DAPM_DAC_E("DAC Right", "Right Playback", 472 AIC31XX_DACSETUP, 6, 0, aic31xx_dapm_power_event, 473 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 474 475 /* Output Mixers */ 476 SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0, 477 left_output_switches, 478 ARRAY_SIZE(left_output_switches)), 479 SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0, 480 right_output_switches, 481 ARRAY_SIZE(right_output_switches)), 482 483 SND_SOC_DAPM_SWITCH("HP Left", SND_SOC_NOPM, 0, 0, 484 &aic31xx_dapm_hpl_switch), 485 SND_SOC_DAPM_SWITCH("HP Right", SND_SOC_NOPM, 0, 0, 486 &aic31xx_dapm_hpr_switch), 487 488 /* Output drivers */ 489 SND_SOC_DAPM_OUT_DRV_E("HPL Driver", AIC31XX_HPDRIVER, 7, 0, 490 NULL, 0, aic31xx_dapm_power_event, 491 SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU), 492 SND_SOC_DAPM_OUT_DRV_E("HPR Driver", AIC31XX_HPDRIVER, 6, 0, 493 NULL, 0, aic31xx_dapm_power_event, 494 SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU), 495 496 /* ADC */ 497 SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0, 498 aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU | 499 SND_SOC_DAPM_POST_PMD), 500 501 /* Input Selection to MIC_PGA */ 502 SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0, 503 &p_term_mic1lp), 504 SND_SOC_DAPM_MUX("MIC1RP P-Terminal", SND_SOC_NOPM, 0, 0, 505 &p_term_mic1rp), 506 SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0, 507 &p_term_mic1lm), 508 509 SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0, 510 &m_term_mic1lm), 511 /* Enabling & Disabling MIC Gain Ctl */ 512 SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA, 513 7, 1, NULL, 0), 514 515 /* Mic Bias */ 516 SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event, 517 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 518 519 /* Outputs */ 520 SND_SOC_DAPM_OUTPUT("HPL"), 521 SND_SOC_DAPM_OUTPUT("HPR"), 522 523 /* Inputs */ 524 SND_SOC_DAPM_INPUT("MIC1LP"), 525 SND_SOC_DAPM_INPUT("MIC1RP"), 526 SND_SOC_DAPM_INPUT("MIC1LM"), 527 }; 528 529 static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = { 530 /* AIC3111 and AIC3110 have stereo class-D amplifier */ 531 SND_SOC_DAPM_OUT_DRV_E("SPL ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0, 532 aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU | 533 SND_SOC_DAPM_POST_PMD), 534 SND_SOC_DAPM_OUT_DRV_E("SPR ClassD", AIC31XX_SPKAMP, 6, 0, NULL, 0, 535 aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU | 536 SND_SOC_DAPM_POST_PMD), 537 SND_SOC_DAPM_SWITCH("Speaker Left", SND_SOC_NOPM, 0, 0, 538 &aic31xx_dapm_spl_switch), 539 SND_SOC_DAPM_SWITCH("Speaker Right", SND_SOC_NOPM, 0, 0, 540 &aic31xx_dapm_spr_switch), 541 SND_SOC_DAPM_OUTPUT("SPL"), 542 SND_SOC_DAPM_OUTPUT("SPR"), 543 }; 544 545 /* AIC3100 and AIC3120 have only mono class-D amplifier */ 546 static const struct snd_soc_dapm_widget aic310x_dapm_widgets[] = { 547 SND_SOC_DAPM_OUT_DRV_E("SPK ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0, 548 aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU | 549 SND_SOC_DAPM_POST_PMD), 550 SND_SOC_DAPM_SWITCH("Speaker", SND_SOC_NOPM, 0, 0, 551 &aic31xx_dapm_spl_switch), 552 SND_SOC_DAPM_OUTPUT("SPK"), 553 }; 554 555 static const struct snd_soc_dapm_route 556 aic31xx_audio_map[] = { 557 /* DAC Input Routing */ 558 {"DAC Left Input", "Left Data", "DAC IN"}, 559 {"DAC Left Input", "Right Data", "DAC IN"}, 560 {"DAC Left Input", "Mono", "DAC IN"}, 561 {"DAC Right Input", "Left Data", "DAC IN"}, 562 {"DAC Right Input", "Right Data", "DAC IN"}, 563 {"DAC Right Input", "Mono", "DAC IN"}, 564 {"DAC Left", NULL, "DAC Left Input"}, 565 {"DAC Right", NULL, "DAC Right Input"}, 566 567 /* Mic input */ 568 {"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"}, 569 {"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"}, 570 {"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"}, 571 {"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"}, 572 {"MIC1RP P-Terminal", "FFR 20 Ohm", "MIC1RP"}, 573 {"MIC1RP P-Terminal", "FFR 40 Ohm", "MIC1RP"}, 574 {"MIC1LM P-Terminal", "FFR 10 Ohm", "MIC1LM"}, 575 {"MIC1LM P-Terminal", "FFR 20 Ohm", "MIC1LM"}, 576 {"MIC1LM P-Terminal", "FFR 40 Ohm", "MIC1LM"}, 577 578 {"MIC1LM M-Terminal", "FFR 10 Ohm", "MIC1LM"}, 579 {"MIC1LM M-Terminal", "FFR 20 Ohm", "MIC1LM"}, 580 {"MIC1LM M-Terminal", "FFR 40 Ohm", "MIC1LM"}, 581 582 {"MIC_GAIN_CTL", NULL, "MIC1LP P-Terminal"}, 583 {"MIC_GAIN_CTL", NULL, "MIC1RP P-Terminal"}, 584 {"MIC_GAIN_CTL", NULL, "MIC1LM P-Terminal"}, 585 {"MIC_GAIN_CTL", NULL, "MIC1LM M-Terminal"}, 586 587 {"ADC", NULL, "MIC_GAIN_CTL"}, 588 589 /* Left Output */ 590 {"Output Left", "From Left DAC", "DAC Left"}, 591 {"Output Left", "From MIC1LP", "MIC1LP"}, 592 {"Output Left", "From MIC1RP", "MIC1RP"}, 593 594 /* Right Output */ 595 {"Output Right", "From Right DAC", "DAC Right"}, 596 {"Output Right", "From MIC1RP", "MIC1RP"}, 597 598 /* HPL path */ 599 {"HP Left", "Switch", "Output Left"}, 600 {"HPL Driver", NULL, "HP Left"}, 601 {"HPL", NULL, "HPL Driver"}, 602 603 /* HPR path */ 604 {"HP Right", "Switch", "Output Right"}, 605 {"HPR Driver", NULL, "HP Right"}, 606 {"HPR", NULL, "HPR Driver"}, 607 }; 608 609 static const struct snd_soc_dapm_route 610 aic311x_audio_map[] = { 611 /* SP L path */ 612 {"Speaker Left", "Switch", "Output Left"}, 613 {"SPL ClassD", NULL, "Speaker Left"}, 614 {"SPL", NULL, "SPL ClassD"}, 615 616 /* SP R path */ 617 {"Speaker Right", "Switch", "Output Right"}, 618 {"SPR ClassD", NULL, "Speaker Right"}, 619 {"SPR", NULL, "SPR ClassD"}, 620 }; 621 622 static const struct snd_soc_dapm_route 623 aic310x_audio_map[] = { 624 /* SP L path */ 625 {"Speaker", "Switch", "Output Left"}, 626 {"SPK ClassD", NULL, "Speaker"}, 627 {"SPK", NULL, "SPK ClassD"}, 628 }; 629 630 static int aic31xx_add_controls(struct snd_soc_codec *codec) 631 { 632 int ret = 0; 633 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 634 635 if (aic31xx->pdata.codec_type & AIC31XX_STEREO_CLASS_D_BIT) 636 ret = snd_soc_add_codec_controls( 637 codec, aic311x_snd_controls, 638 ARRAY_SIZE(aic311x_snd_controls)); 639 else 640 ret = snd_soc_add_codec_controls( 641 codec, aic310x_snd_controls, 642 ARRAY_SIZE(aic310x_snd_controls)); 643 644 return ret; 645 } 646 647 static int aic31xx_add_widgets(struct snd_soc_codec *codec) 648 { 649 struct snd_soc_dapm_context *dapm = &codec->dapm; 650 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 651 int ret = 0; 652 653 if (aic31xx->pdata.codec_type & AIC31XX_STEREO_CLASS_D_BIT) { 654 ret = snd_soc_dapm_new_controls( 655 dapm, aic311x_dapm_widgets, 656 ARRAY_SIZE(aic311x_dapm_widgets)); 657 if (ret) 658 return ret; 659 660 ret = snd_soc_dapm_add_routes(dapm, aic311x_audio_map, 661 ARRAY_SIZE(aic311x_audio_map)); 662 if (ret) 663 return ret; 664 } else { 665 ret = snd_soc_dapm_new_controls( 666 dapm, aic310x_dapm_widgets, 667 ARRAY_SIZE(aic310x_dapm_widgets)); 668 if (ret) 669 return ret; 670 671 ret = snd_soc_dapm_add_routes(dapm, aic310x_audio_map, 672 ARRAY_SIZE(aic310x_audio_map)); 673 if (ret) 674 return ret; 675 } 676 677 return 0; 678 } 679 680 static int aic31xx_setup_pll(struct snd_soc_codec *codec, 681 struct snd_pcm_hw_params *params) 682 { 683 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 684 int bclk_score = snd_soc_params_to_frame_size(params); 685 int mclk_p = aic31xx->sysclk / aic31xx->p_div; 686 int bclk_n = 0; 687 int match = -1; 688 int i; 689 690 /* Use PLL as CODEC_CLKIN and DAC_CLK as BDIV_CLKIN */ 691 snd_soc_update_bits(codec, AIC31XX_CLKMUX, 692 AIC31XX_CODEC_CLKIN_MASK, AIC31XX_CODEC_CLKIN_PLL); 693 snd_soc_update_bits(codec, AIC31XX_IFACE2, 694 AIC31XX_BDIVCLK_MASK, AIC31XX_DAC2BCLK); 695 696 for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) { 697 if (aic31xx_divs[i].rate == params_rate(params) && 698 aic31xx_divs[i].mclk_p == mclk_p) { 699 int s = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) % 700 snd_soc_params_to_frame_size(params); 701 int bn = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) / 702 snd_soc_params_to_frame_size(params); 703 if (s < bclk_score && bn > 0) { 704 match = i; 705 bclk_n = bn; 706 bclk_score = s; 707 } 708 } 709 } 710 711 if (match == -1) { 712 dev_err(codec->dev, 713 "%s: Sample rate (%u) and format not supported\n", 714 __func__, params_rate(params)); 715 /* See bellow for details how fix this. */ 716 return -EINVAL; 717 } 718 if (bclk_score != 0) { 719 dev_warn(codec->dev, "Can not produce exact bitclock"); 720 /* This is fine if using dsp format, but if using i2s 721 there may be trouble. To fix the issue edit the 722 aic31xx_divs table for your mclk and sample 723 rate. Details can be found from: 724 http://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf 725 Section: 5.6 CLOCK Generation and PLL 726 */ 727 } 728 i = match; 729 730 /* PLL configuration */ 731 snd_soc_update_bits(codec, AIC31XX_PLLPR, AIC31XX_PLL_MASK, 732 (aic31xx->p_div << 4) | 0x01); 733 snd_soc_write(codec, AIC31XX_PLLJ, aic31xx_divs[i].pll_j); 734 735 snd_soc_write(codec, AIC31XX_PLLDMSB, 736 aic31xx_divs[i].pll_d >> 8); 737 snd_soc_write(codec, AIC31XX_PLLDLSB, 738 aic31xx_divs[i].pll_d & 0xff); 739 740 /* DAC dividers configuration */ 741 snd_soc_update_bits(codec, AIC31XX_NDAC, AIC31XX_PLL_MASK, 742 aic31xx_divs[i].ndac); 743 snd_soc_update_bits(codec, AIC31XX_MDAC, AIC31XX_PLL_MASK, 744 aic31xx_divs[i].mdac); 745 746 snd_soc_write(codec, AIC31XX_DOSRMSB, aic31xx_divs[i].dosr >> 8); 747 snd_soc_write(codec, AIC31XX_DOSRLSB, aic31xx_divs[i].dosr & 0xff); 748 749 /* ADC dividers configuration. Write reset value 1 if not used. */ 750 snd_soc_update_bits(codec, AIC31XX_NADC, AIC31XX_PLL_MASK, 751 aic31xx_divs[i].nadc ? aic31xx_divs[i].nadc : 1); 752 snd_soc_update_bits(codec, AIC31XX_MADC, AIC31XX_PLL_MASK, 753 aic31xx_divs[i].madc ? aic31xx_divs[i].madc : 1); 754 755 snd_soc_write(codec, AIC31XX_AOSR, aic31xx_divs[i].aosr); 756 757 /* Bit clock divider configuration. */ 758 snd_soc_update_bits(codec, AIC31XX_BCLKN, 759 AIC31XX_PLL_MASK, bclk_n); 760 761 aic31xx->rate_div_line = i; 762 763 dev_dbg(codec->dev, 764 "pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n", 765 aic31xx_divs[i].pll_j, aic31xx_divs[i].pll_d, 766 aic31xx->p_div, aic31xx_divs[i].dosr, 767 aic31xx_divs[i].ndac, aic31xx_divs[i].mdac, 768 aic31xx_divs[i].aosr, aic31xx_divs[i].nadc, 769 aic31xx_divs[i].madc, bclk_n); 770 771 return 0; 772 } 773 774 static int aic31xx_hw_params(struct snd_pcm_substream *substream, 775 struct snd_pcm_hw_params *params, 776 struct snd_soc_dai *dai) 777 { 778 struct snd_soc_codec *codec = dai->codec; 779 u8 data = 0; 780 781 dev_dbg(codec->dev, "## %s: width %d rate %d\n", 782 __func__, params_width(params), 783 params_rate(params)); 784 785 switch (params_width(params)) { 786 case 16: 787 break; 788 case 20: 789 data = (AIC31XX_WORD_LEN_20BITS << 790 AIC31XX_IFACE1_DATALEN_SHIFT); 791 break; 792 case 24: 793 data = (AIC31XX_WORD_LEN_24BITS << 794 AIC31XX_IFACE1_DATALEN_SHIFT); 795 break; 796 case 32: 797 data = (AIC31XX_WORD_LEN_32BITS << 798 AIC31XX_IFACE1_DATALEN_SHIFT); 799 break; 800 default: 801 dev_err(codec->dev, "%s: Unsupported width %d\n", 802 __func__, params_width(params)); 803 return -EINVAL; 804 } 805 806 snd_soc_update_bits(codec, AIC31XX_IFACE1, 807 AIC31XX_IFACE1_DATALEN_MASK, 808 data); 809 810 return aic31xx_setup_pll(codec, params); 811 } 812 813 static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute) 814 { 815 struct snd_soc_codec *codec = codec_dai->codec; 816 817 if (mute) { 818 snd_soc_update_bits(codec, AIC31XX_DACMUTE, 819 AIC31XX_DACMUTE_MASK, 820 AIC31XX_DACMUTE_MASK); 821 } else { 822 snd_soc_update_bits(codec, AIC31XX_DACMUTE, 823 AIC31XX_DACMUTE_MASK, 0x0); 824 } 825 826 return 0; 827 } 828 829 static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai, 830 unsigned int fmt) 831 { 832 struct snd_soc_codec *codec = codec_dai->codec; 833 u8 iface_reg1 = 0; 834 u8 iface_reg2 = 0; 835 u8 dsp_a_val = 0; 836 837 dev_dbg(codec->dev, "## %s: fmt = 0x%x\n", __func__, fmt); 838 839 /* set master/slave audio interface */ 840 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 841 case SND_SOC_DAIFMT_CBM_CFM: 842 iface_reg1 |= AIC31XX_BCLK_MASTER | AIC31XX_WCLK_MASTER; 843 break; 844 default: 845 dev_alert(codec->dev, "Invalid DAI master/slave interface\n"); 846 return -EINVAL; 847 } 848 849 /* interface format */ 850 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 851 case SND_SOC_DAIFMT_I2S: 852 break; 853 case SND_SOC_DAIFMT_DSP_A: 854 dsp_a_val = 0x1; 855 case SND_SOC_DAIFMT_DSP_B: 856 /* NOTE: BCLKINV bit value 1 equas NB and 0 equals IB */ 857 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 858 case SND_SOC_DAIFMT_NB_NF: 859 iface_reg2 |= AIC31XX_BCLKINV_MASK; 860 break; 861 case SND_SOC_DAIFMT_IB_NF: 862 break; 863 default: 864 return -EINVAL; 865 } 866 iface_reg1 |= (AIC31XX_DSP_MODE << 867 AIC31XX_IFACE1_DATATYPE_SHIFT); 868 break; 869 case SND_SOC_DAIFMT_RIGHT_J: 870 iface_reg1 |= (AIC31XX_RIGHT_JUSTIFIED_MODE << 871 AIC31XX_IFACE1_DATATYPE_SHIFT); 872 break; 873 case SND_SOC_DAIFMT_LEFT_J: 874 iface_reg1 |= (AIC31XX_LEFT_JUSTIFIED_MODE << 875 AIC31XX_IFACE1_DATATYPE_SHIFT); 876 break; 877 default: 878 dev_err(codec->dev, "Invalid DAI interface format\n"); 879 return -EINVAL; 880 } 881 882 snd_soc_update_bits(codec, AIC31XX_IFACE1, 883 AIC31XX_IFACE1_DATATYPE_MASK | 884 AIC31XX_IFACE1_MASTER_MASK, 885 iface_reg1); 886 snd_soc_update_bits(codec, AIC31XX_DATA_OFFSET, 887 AIC31XX_DATA_OFFSET_MASK, 888 dsp_a_val); 889 snd_soc_update_bits(codec, AIC31XX_IFACE2, 890 AIC31XX_BCLKINV_MASK, 891 iface_reg2); 892 893 return 0; 894 } 895 896 static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai, 897 int clk_id, unsigned int freq, int dir) 898 { 899 struct snd_soc_codec *codec = codec_dai->codec; 900 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 901 int i; 902 903 dev_dbg(codec->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n", 904 __func__, clk_id, freq, dir); 905 906 for (i = 1; freq/i > 20000000 && i < 8; i++) 907 ; 908 if (freq/i > 20000000) { 909 dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n", 910 __func__, freq); 911 return -EINVAL; 912 } 913 aic31xx->p_div = i; 914 915 for (i = 0; i < ARRAY_SIZE(aic31xx_divs) && 916 aic31xx_divs[i].mclk_p != freq/aic31xx->p_div; i++) 917 ; 918 if (i == ARRAY_SIZE(aic31xx_divs)) { 919 dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n", 920 __func__, freq); 921 return -EINVAL; 922 } 923 924 /* set clock on MCLK, BCLK, or GPIO1 as PLL input */ 925 snd_soc_update_bits(codec, AIC31XX_CLKMUX, AIC31XX_PLL_CLKIN_MASK, 926 clk_id << AIC31XX_PLL_CLKIN_SHIFT); 927 928 aic31xx->sysclk = freq; 929 return 0; 930 } 931 932 static int aic31xx_regulator_event(struct notifier_block *nb, 933 unsigned long event, void *data) 934 { 935 struct aic31xx_disable_nb *disable_nb = 936 container_of(nb, struct aic31xx_disable_nb, nb); 937 struct aic31xx_priv *aic31xx = disable_nb->aic31xx; 938 939 if (event & REGULATOR_EVENT_DISABLE) { 940 /* 941 * Put codec to reset and as at least one of the 942 * supplies was disabled. 943 */ 944 if (gpio_is_valid(aic31xx->pdata.gpio_reset)) 945 gpio_set_value(aic31xx->pdata.gpio_reset, 0); 946 947 regcache_mark_dirty(aic31xx->regmap); 948 dev_dbg(aic31xx->dev, "## %s: DISABLE received\n", __func__); 949 } 950 951 return 0; 952 } 953 954 static void aic31xx_clk_on(struct snd_soc_codec *codec) 955 { 956 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 957 u8 mask = AIC31XX_PM_MASK; 958 u8 on = AIC31XX_PM_MASK; 959 960 dev_dbg(codec->dev, "codec clock -> on (rate %d)\n", 961 aic31xx_divs[aic31xx->rate_div_line].rate); 962 snd_soc_update_bits(codec, AIC31XX_PLLPR, mask, on); 963 mdelay(10); 964 snd_soc_update_bits(codec, AIC31XX_NDAC, mask, on); 965 snd_soc_update_bits(codec, AIC31XX_MDAC, mask, on); 966 if (aic31xx_divs[aic31xx->rate_div_line].nadc) 967 snd_soc_update_bits(codec, AIC31XX_NADC, mask, on); 968 if (aic31xx_divs[aic31xx->rate_div_line].madc) 969 snd_soc_update_bits(codec, AIC31XX_MADC, mask, on); 970 snd_soc_update_bits(codec, AIC31XX_BCLKN, mask, on); 971 } 972 973 static void aic31xx_clk_off(struct snd_soc_codec *codec) 974 { 975 u8 mask = AIC31XX_PM_MASK; 976 u8 off = 0; 977 978 dev_dbg(codec->dev, "codec clock -> off\n"); 979 snd_soc_update_bits(codec, AIC31XX_BCLKN, mask, off); 980 snd_soc_update_bits(codec, AIC31XX_MADC, mask, off); 981 snd_soc_update_bits(codec, AIC31XX_NADC, mask, off); 982 snd_soc_update_bits(codec, AIC31XX_MDAC, mask, off); 983 snd_soc_update_bits(codec, AIC31XX_NDAC, mask, off); 984 snd_soc_update_bits(codec, AIC31XX_PLLPR, mask, off); 985 } 986 987 static int aic31xx_power_on(struct snd_soc_codec *codec) 988 { 989 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 990 int ret = 0; 991 992 ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies), 993 aic31xx->supplies); 994 if (ret) 995 return ret; 996 997 if (gpio_is_valid(aic31xx->pdata.gpio_reset)) { 998 gpio_set_value(aic31xx->pdata.gpio_reset, 1); 999 udelay(100); 1000 } 1001 regcache_cache_only(aic31xx->regmap, false); 1002 ret = regcache_sync(aic31xx->regmap); 1003 if (ret != 0) { 1004 dev_err(codec->dev, 1005 "Failed to restore cache: %d\n", ret); 1006 regcache_cache_only(aic31xx->regmap, true); 1007 regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies), 1008 aic31xx->supplies); 1009 return ret; 1010 } 1011 return 0; 1012 } 1013 1014 static int aic31xx_power_off(struct snd_soc_codec *codec) 1015 { 1016 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 1017 int ret = 0; 1018 1019 regcache_cache_only(aic31xx->regmap, true); 1020 ret = regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies), 1021 aic31xx->supplies); 1022 1023 return ret; 1024 } 1025 1026 static int aic31xx_set_bias_level(struct snd_soc_codec *codec, 1027 enum snd_soc_bias_level level) 1028 { 1029 dev_dbg(codec->dev, "## %s: %d -> %d\n", __func__, 1030 codec->dapm.bias_level, level); 1031 1032 switch (level) { 1033 case SND_SOC_BIAS_ON: 1034 break; 1035 case SND_SOC_BIAS_PREPARE: 1036 if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY) 1037 aic31xx_clk_on(codec); 1038 break; 1039 case SND_SOC_BIAS_STANDBY: 1040 switch (codec->dapm.bias_level) { 1041 case SND_SOC_BIAS_OFF: 1042 aic31xx_power_on(codec); 1043 break; 1044 case SND_SOC_BIAS_PREPARE: 1045 aic31xx_clk_off(codec); 1046 break; 1047 default: 1048 BUG(); 1049 } 1050 break; 1051 case SND_SOC_BIAS_OFF: 1052 if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY) 1053 aic31xx_power_off(codec); 1054 break; 1055 } 1056 codec->dapm.bias_level = level; 1057 1058 return 0; 1059 } 1060 1061 static int aic31xx_codec_probe(struct snd_soc_codec *codec) 1062 { 1063 int ret = 0; 1064 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 1065 int i; 1066 1067 dev_dbg(aic31xx->dev, "## %s\n", __func__); 1068 1069 aic31xx = snd_soc_codec_get_drvdata(codec); 1070 1071 aic31xx->codec = codec; 1072 1073 for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) { 1074 aic31xx->disable_nb[i].nb.notifier_call = 1075 aic31xx_regulator_event; 1076 aic31xx->disable_nb[i].aic31xx = aic31xx; 1077 ret = regulator_register_notifier(aic31xx->supplies[i].consumer, 1078 &aic31xx->disable_nb[i].nb); 1079 if (ret) { 1080 dev_err(codec->dev, 1081 "Failed to request regulator notifier: %d\n", 1082 ret); 1083 return ret; 1084 } 1085 } 1086 1087 regcache_cache_only(aic31xx->regmap, true); 1088 regcache_mark_dirty(aic31xx->regmap); 1089 1090 ret = aic31xx_add_controls(codec); 1091 if (ret) 1092 return ret; 1093 1094 ret = aic31xx_add_widgets(codec); 1095 1096 return ret; 1097 } 1098 1099 static int aic31xx_codec_remove(struct snd_soc_codec *codec) 1100 { 1101 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 1102 int i; 1103 1104 for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) 1105 regulator_unregister_notifier(aic31xx->supplies[i].consumer, 1106 &aic31xx->disable_nb[i].nb); 1107 1108 return 0; 1109 } 1110 1111 static struct snd_soc_codec_driver soc_codec_driver_aic31xx = { 1112 .probe = aic31xx_codec_probe, 1113 .remove = aic31xx_codec_remove, 1114 .set_bias_level = aic31xx_set_bias_level, 1115 .suspend_bias_off = true, 1116 1117 .controls = aic31xx_snd_controls, 1118 .num_controls = ARRAY_SIZE(aic31xx_snd_controls), 1119 .dapm_widgets = aic31xx_dapm_widgets, 1120 .num_dapm_widgets = ARRAY_SIZE(aic31xx_dapm_widgets), 1121 .dapm_routes = aic31xx_audio_map, 1122 .num_dapm_routes = ARRAY_SIZE(aic31xx_audio_map), 1123 }; 1124 1125 static struct snd_soc_dai_ops aic31xx_dai_ops = { 1126 .hw_params = aic31xx_hw_params, 1127 .set_sysclk = aic31xx_set_dai_sysclk, 1128 .set_fmt = aic31xx_set_dai_fmt, 1129 .digital_mute = aic31xx_dac_mute, 1130 }; 1131 1132 static struct snd_soc_dai_driver aic31xx_dai_driver[] = { 1133 { 1134 .name = "tlv320aic31xx-hifi", 1135 .playback = { 1136 .stream_name = "Playback", 1137 .channels_min = 1, 1138 .channels_max = 2, 1139 .rates = AIC31XX_RATES, 1140 .formats = AIC31XX_FORMATS, 1141 }, 1142 .capture = { 1143 .stream_name = "Capture", 1144 .channels_min = 1, 1145 .channels_max = 2, 1146 .rates = AIC31XX_RATES, 1147 .formats = AIC31XX_FORMATS, 1148 }, 1149 .ops = &aic31xx_dai_ops, 1150 .symmetric_rates = 1, 1151 } 1152 }; 1153 1154 #if defined(CONFIG_OF) 1155 static const struct of_device_id tlv320aic31xx_of_match[] = { 1156 { .compatible = "ti,tlv320aic310x" }, 1157 { .compatible = "ti,tlv320aic311x" }, 1158 { .compatible = "ti,tlv320aic3100" }, 1159 { .compatible = "ti,tlv320aic3110" }, 1160 { .compatible = "ti,tlv320aic3120" }, 1161 { .compatible = "ti,tlv320aic3111" }, 1162 {}, 1163 }; 1164 MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match); 1165 1166 static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx) 1167 { 1168 struct device_node *np = aic31xx->dev->of_node; 1169 unsigned int value = MICBIAS_2_0V; 1170 int ret; 1171 1172 of_property_read_u32(np, "ai31xx-micbias-vg", &value); 1173 switch (value) { 1174 case MICBIAS_2_0V: 1175 case MICBIAS_2_5V: 1176 case MICBIAS_AVDDV: 1177 aic31xx->pdata.micbias_vg = value; 1178 break; 1179 default: 1180 dev_err(aic31xx->dev, 1181 "Bad ai31xx-micbias-vg value %d DT\n", 1182 value); 1183 aic31xx->pdata.micbias_vg = MICBIAS_2_0V; 1184 } 1185 1186 ret = of_get_named_gpio(np, "gpio-reset", 0); 1187 if (ret > 0) 1188 aic31xx->pdata.gpio_reset = ret; 1189 } 1190 #else /* CONFIG_OF */ 1191 static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx) 1192 { 1193 } 1194 #endif /* CONFIG_OF */ 1195 1196 static int aic31xx_device_init(struct aic31xx_priv *aic31xx) 1197 { 1198 int ret, i; 1199 1200 dev_set_drvdata(aic31xx->dev, aic31xx); 1201 1202 if (dev_get_platdata(aic31xx->dev)) 1203 memcpy(&aic31xx->pdata, dev_get_platdata(aic31xx->dev), 1204 sizeof(aic31xx->pdata)); 1205 else if (aic31xx->dev->of_node) 1206 aic31xx_pdata_from_of(aic31xx); 1207 1208 if (aic31xx->pdata.gpio_reset) { 1209 ret = devm_gpio_request_one(aic31xx->dev, 1210 aic31xx->pdata.gpio_reset, 1211 GPIOF_OUT_INIT_HIGH, 1212 "aic31xx-reset-pin"); 1213 if (ret < 0) { 1214 dev_err(aic31xx->dev, "not able to acquire gpio\n"); 1215 return ret; 1216 } 1217 } 1218 1219 for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) 1220 aic31xx->supplies[i].supply = aic31xx_supply_names[i]; 1221 1222 ret = devm_regulator_bulk_get(aic31xx->dev, 1223 ARRAY_SIZE(aic31xx->supplies), 1224 aic31xx->supplies); 1225 if (ret != 0) 1226 dev_err(aic31xx->dev, "Failed to request supplies: %d\n", ret); 1227 1228 return ret; 1229 } 1230 1231 static int aic31xx_i2c_probe(struct i2c_client *i2c, 1232 const struct i2c_device_id *id) 1233 { 1234 struct aic31xx_priv *aic31xx; 1235 int ret; 1236 const struct regmap_config *regmap_config; 1237 1238 dev_dbg(&i2c->dev, "## %s: %s codec_type = %d\n", __func__, 1239 id->name, (int) id->driver_data); 1240 1241 regmap_config = &aic31xx_i2c_regmap; 1242 1243 aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL); 1244 if (aic31xx == NULL) 1245 return -ENOMEM; 1246 1247 aic31xx->regmap = devm_regmap_init_i2c(i2c, regmap_config); 1248 if (IS_ERR(aic31xx->regmap)) { 1249 ret = PTR_ERR(aic31xx->regmap); 1250 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", 1251 ret); 1252 return ret; 1253 } 1254 aic31xx->dev = &i2c->dev; 1255 1256 aic31xx->pdata.codec_type = id->driver_data; 1257 1258 ret = aic31xx_device_init(aic31xx); 1259 if (ret) 1260 return ret; 1261 1262 return snd_soc_register_codec(&i2c->dev, &soc_codec_driver_aic31xx, 1263 aic31xx_dai_driver, 1264 ARRAY_SIZE(aic31xx_dai_driver)); 1265 } 1266 1267 static int aic31xx_i2c_remove(struct i2c_client *i2c) 1268 { 1269 snd_soc_unregister_codec(&i2c->dev); 1270 return 0; 1271 } 1272 1273 static const struct i2c_device_id aic31xx_i2c_id[] = { 1274 { "tlv320aic310x", AIC3100 }, 1275 { "tlv320aic311x", AIC3110 }, 1276 { "tlv320aic3100", AIC3100 }, 1277 { "tlv320aic3110", AIC3110 }, 1278 { "tlv320aic3120", AIC3120 }, 1279 { "tlv320aic3111", AIC3111 }, 1280 { } 1281 }; 1282 MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id); 1283 1284 static struct i2c_driver aic31xx_i2c_driver = { 1285 .driver = { 1286 .name = "tlv320aic31xx-codec", 1287 .owner = THIS_MODULE, 1288 .of_match_table = of_match_ptr(tlv320aic31xx_of_match), 1289 }, 1290 .probe = aic31xx_i2c_probe, 1291 .remove = aic31xx_i2c_remove, 1292 .id_table = aic31xx_i2c_id, 1293 }; 1294 1295 module_i2c_driver(aic31xx_i2c_driver); 1296 1297 MODULE_DESCRIPTION("ASoC TLV320AIC3111 codec driver"); 1298 MODULE_AUTHOR("Jyri Sarha"); 1299 MODULE_LICENSE("GPL"); 1300