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/acpi.h> 32 #include <linux/of.h> 33 #include <linux/of_gpio.h> 34 #include <linux/slab.h> 35 #include <sound/core.h> 36 #include <sound/pcm.h> 37 #include <sound/pcm_params.h> 38 #include <sound/soc.h> 39 #include <sound/initval.h> 40 #include <sound/tlv.h> 41 #include <dt-bindings/sound/tlv320aic31xx-micbias.h> 42 43 #include "tlv320aic31xx.h" 44 45 static const struct reg_default aic31xx_reg_defaults[] = { 46 { AIC31XX_CLKMUX, 0x00 }, 47 { AIC31XX_PLLPR, 0x11 }, 48 { AIC31XX_PLLJ, 0x04 }, 49 { AIC31XX_PLLDMSB, 0x00 }, 50 { AIC31XX_PLLDLSB, 0x00 }, 51 { AIC31XX_NDAC, 0x01 }, 52 { AIC31XX_MDAC, 0x01 }, 53 { AIC31XX_DOSRMSB, 0x00 }, 54 { AIC31XX_DOSRLSB, 0x80 }, 55 { AIC31XX_NADC, 0x01 }, 56 { AIC31XX_MADC, 0x01 }, 57 { AIC31XX_AOSR, 0x80 }, 58 { AIC31XX_IFACE1, 0x00 }, 59 { AIC31XX_DATA_OFFSET, 0x00 }, 60 { AIC31XX_IFACE2, 0x00 }, 61 { AIC31XX_BCLKN, 0x01 }, 62 { AIC31XX_DACSETUP, 0x14 }, 63 { AIC31XX_DACMUTE, 0x0c }, 64 { AIC31XX_LDACVOL, 0x00 }, 65 { AIC31XX_RDACVOL, 0x00 }, 66 { AIC31XX_ADCSETUP, 0x00 }, 67 { AIC31XX_ADCFGA, 0x80 }, 68 { AIC31XX_ADCVOL, 0x00 }, 69 { AIC31XX_HPDRIVER, 0x04 }, 70 { AIC31XX_SPKAMP, 0x06 }, 71 { AIC31XX_DACMIXERROUTE, 0x00 }, 72 { AIC31XX_LANALOGHPL, 0x7f }, 73 { AIC31XX_RANALOGHPR, 0x7f }, 74 { AIC31XX_LANALOGSPL, 0x7f }, 75 { AIC31XX_RANALOGSPR, 0x7f }, 76 { AIC31XX_HPLGAIN, 0x02 }, 77 { AIC31XX_HPRGAIN, 0x02 }, 78 { AIC31XX_SPLGAIN, 0x00 }, 79 { AIC31XX_SPRGAIN, 0x00 }, 80 { AIC31XX_MICBIAS, 0x00 }, 81 { AIC31XX_MICPGA, 0x80 }, 82 { AIC31XX_MICPGAPI, 0x00 }, 83 { AIC31XX_MICPGAMI, 0x00 }, 84 }; 85 86 static bool aic31xx_volatile(struct device *dev, unsigned int reg) 87 { 88 switch (reg) { 89 case AIC31XX_PAGECTL: /* regmap implementation requires this */ 90 case AIC31XX_RESET: /* always clears after write */ 91 case AIC31XX_OT_FLAG: 92 case AIC31XX_ADCFLAG: 93 case AIC31XX_DACFLAG1: 94 case AIC31XX_DACFLAG2: 95 case AIC31XX_OFFLAG: /* Sticky interrupt flags */ 96 case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */ 97 case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */ 98 case AIC31XX_INTRDACFLAG2: 99 case AIC31XX_INTRADCFLAG2: 100 return true; 101 } 102 return false; 103 } 104 105 static bool aic31xx_writeable(struct device *dev, unsigned int reg) 106 { 107 switch (reg) { 108 case AIC31XX_OT_FLAG: 109 case AIC31XX_ADCFLAG: 110 case AIC31XX_DACFLAG1: 111 case AIC31XX_DACFLAG2: 112 case AIC31XX_OFFLAG: /* Sticky interrupt flags */ 113 case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */ 114 case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */ 115 case AIC31XX_INTRDACFLAG2: 116 case AIC31XX_INTRADCFLAG2: 117 return false; 118 } 119 return true; 120 } 121 122 static const struct regmap_range_cfg aic31xx_ranges[] = { 123 { 124 .range_min = 0, 125 .range_max = 12 * 128, 126 .selector_reg = AIC31XX_PAGECTL, 127 .selector_mask = 0xff, 128 .selector_shift = 0, 129 .window_start = 0, 130 .window_len = 128, 131 }, 132 }; 133 134 static const struct regmap_config aic31xx_i2c_regmap = { 135 .reg_bits = 8, 136 .val_bits = 8, 137 .writeable_reg = aic31xx_writeable, 138 .volatile_reg = aic31xx_volatile, 139 .reg_defaults = aic31xx_reg_defaults, 140 .num_reg_defaults = ARRAY_SIZE(aic31xx_reg_defaults), 141 .cache_type = REGCACHE_RBTREE, 142 .ranges = aic31xx_ranges, 143 .num_ranges = ARRAY_SIZE(aic31xx_ranges), 144 .max_register = 12 * 128, 145 }; 146 147 #define AIC31XX_NUM_SUPPLIES 6 148 static const char * const aic31xx_supply_names[AIC31XX_NUM_SUPPLIES] = { 149 "HPVDD", 150 "SPRVDD", 151 "SPLVDD", 152 "AVDD", 153 "IOVDD", 154 "DVDD", 155 }; 156 157 struct aic31xx_disable_nb { 158 struct notifier_block nb; 159 struct aic31xx_priv *aic31xx; 160 }; 161 162 struct aic31xx_priv { 163 struct snd_soc_codec *codec; 164 u8 i2c_regs_status; 165 struct device *dev; 166 struct regmap *regmap; 167 struct aic31xx_pdata pdata; 168 struct regulator_bulk_data supplies[AIC31XX_NUM_SUPPLIES]; 169 struct aic31xx_disable_nb disable_nb[AIC31XX_NUM_SUPPLIES]; 170 unsigned int sysclk; 171 u8 p_div; 172 int rate_div_line; 173 }; 174 175 struct aic31xx_rate_divs { 176 u32 mclk_p; 177 u32 rate; 178 u8 pll_j; 179 u16 pll_d; 180 u16 dosr; 181 u8 ndac; 182 u8 mdac; 183 u8 aosr; 184 u8 nadc; 185 u8 madc; 186 }; 187 188 /* ADC dividers can be disabled by cofiguring them to 0 */ 189 static const struct aic31xx_rate_divs aic31xx_divs[] = { 190 /* mclk/p rate pll: j d dosr ndac mdac aors nadc madc */ 191 /* 8k rate */ 192 {12000000, 8000, 8, 1920, 128, 48, 2, 128, 48, 2}, 193 {12000000, 8000, 8, 1920, 128, 32, 3, 128, 32, 3}, 194 {12500000, 8000, 7, 8643, 128, 48, 2, 128, 48, 2}, 195 /* 11.025k rate */ 196 {12000000, 11025, 7, 5264, 128, 32, 2, 128, 32, 2}, 197 {12000000, 11025, 8, 4672, 128, 24, 3, 128, 24, 3}, 198 {12500000, 11025, 7, 2253, 128, 32, 2, 128, 32, 2}, 199 /* 16k rate */ 200 {12000000, 16000, 8, 1920, 128, 24, 2, 128, 24, 2}, 201 {12000000, 16000, 8, 1920, 128, 16, 3, 128, 16, 3}, 202 {12500000, 16000, 7, 8643, 128, 24, 2, 128, 24, 2}, 203 /* 22.05k rate */ 204 {12000000, 22050, 7, 5264, 128, 16, 2, 128, 16, 2}, 205 {12000000, 22050, 8, 4672, 128, 12, 3, 128, 12, 3}, 206 {12500000, 22050, 7, 2253, 128, 16, 2, 128, 16, 2}, 207 /* 32k rate */ 208 {12000000, 32000, 8, 1920, 128, 12, 2, 128, 12, 2}, 209 {12000000, 32000, 8, 1920, 128, 8, 3, 128, 8, 3}, 210 {12500000, 32000, 7, 8643, 128, 12, 2, 128, 12, 2}, 211 /* 44.1k rate */ 212 {12000000, 44100, 7, 5264, 128, 8, 2, 128, 8, 2}, 213 {12000000, 44100, 8, 4672, 128, 6, 3, 128, 6, 3}, 214 {12500000, 44100, 7, 2253, 128, 8, 2, 128, 8, 2}, 215 /* 48k rate */ 216 {12000000, 48000, 8, 1920, 128, 8, 2, 128, 8, 2}, 217 {12000000, 48000, 7, 6800, 96, 5, 4, 96, 5, 4}, 218 {12500000, 48000, 7, 8643, 128, 8, 2, 128, 8, 2}, 219 /* 88.2k rate */ 220 {12000000, 88200, 7, 5264, 64, 8, 2, 64, 8, 2}, 221 {12000000, 88200, 8, 4672, 64, 6, 3, 64, 6, 3}, 222 {12500000, 88200, 7, 2253, 64, 8, 2, 64, 8, 2}, 223 /* 96k rate */ 224 {12000000, 96000, 8, 1920, 64, 8, 2, 64, 8, 2}, 225 {12000000, 96000, 7, 6800, 48, 5, 4, 48, 5, 4}, 226 {12500000, 96000, 7, 8643, 64, 8, 2, 64, 8, 2}, 227 /* 176.4k rate */ 228 {12000000, 176400, 7, 5264, 32, 8, 2, 32, 8, 2}, 229 {12000000, 176400, 8, 4672, 32, 6, 3, 32, 6, 3}, 230 {12500000, 176400, 7, 2253, 32, 8, 2, 32, 8, 2}, 231 /* 192k rate */ 232 {12000000, 192000, 8, 1920, 32, 8, 2, 32, 8, 2}, 233 {12000000, 192000, 7, 6800, 24, 5, 4, 24, 5, 4}, 234 {12500000, 192000, 7, 8643, 32, 8, 2, 32, 8, 2}, 235 }; 236 237 static const char * const ldac_in_text[] = { 238 "Off", "Left Data", "Right Data", "Mono" 239 }; 240 241 static const char * const rdac_in_text[] = { 242 "Off", "Right Data", "Left Data", "Mono" 243 }; 244 245 static SOC_ENUM_SINGLE_DECL(ldac_in_enum, AIC31XX_DACSETUP, 4, ldac_in_text); 246 247 static SOC_ENUM_SINGLE_DECL(rdac_in_enum, AIC31XX_DACSETUP, 2, rdac_in_text); 248 249 static const char * const mic_select_text[] = { 250 "Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm" 251 }; 252 253 static SOC_ENUM_SINGLE_DECL(mic1lp_p_enum, AIC31XX_MICPGAPI, 6, 254 mic_select_text); 255 static SOC_ENUM_SINGLE_DECL(mic1rp_p_enum, AIC31XX_MICPGAPI, 4, 256 mic_select_text); 257 static SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2, 258 mic_select_text); 259 260 static SOC_ENUM_SINGLE_DECL(cm_m_enum, AIC31XX_MICPGAMI, 6, mic_select_text); 261 static SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4, 262 mic_select_text); 263 264 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0); 265 static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0); 266 static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0); 267 static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0); 268 static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0); 269 static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0); 270 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0); 271 static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0); 272 273 /* 274 * controls to be exported to the user space 275 */ 276 static const struct snd_kcontrol_new common31xx_snd_controls[] = { 277 SOC_DOUBLE_R_S_TLV("DAC Playback Volume", AIC31XX_LDACVOL, 278 AIC31XX_RDACVOL, 0, -127, 48, 7, 0, dac_vol_tlv), 279 280 SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN, 281 AIC31XX_HPRGAIN, 2, 1, 0), 282 SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN, 283 AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv), 284 285 SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL, 286 AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv), 287 }; 288 289 static const struct snd_kcontrol_new aic31xx_snd_controls[] = { 290 SOC_SINGLE_TLV("ADC Fine Capture Volume", AIC31XX_ADCFGA, 4, 4, 1, 291 adc_fgain_tlv), 292 293 SOC_SINGLE("ADC Capture Switch", AIC31XX_ADCFGA, 7, 1, 1), 294 SOC_DOUBLE_R_S_TLV("ADC Capture Volume", AIC31XX_ADCVOL, AIC31XX_ADCVOL, 295 0, -24, 40, 6, 0, adc_cgain_tlv), 296 297 SOC_SINGLE_TLV("Mic PGA Capture Volume", AIC31XX_MICPGA, 0, 298 119, 0, mic_pga_tlv), 299 }; 300 301 static const struct snd_kcontrol_new aic311x_snd_controls[] = { 302 SOC_DOUBLE_R("Speaker Driver Playback Switch", AIC31XX_SPLGAIN, 303 AIC31XX_SPRGAIN, 2, 1, 0), 304 SOC_DOUBLE_R_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN, 305 AIC31XX_SPRGAIN, 3, 3, 0, class_D_drv_tlv), 306 307 SOC_DOUBLE_R_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL, 308 AIC31XX_RANALOGSPR, 0, 0x7F, 1, sp_vol_tlv), 309 }; 310 311 static const struct snd_kcontrol_new aic310x_snd_controls[] = { 312 SOC_SINGLE("Speaker Driver Playback Switch", AIC31XX_SPLGAIN, 313 2, 1, 0), 314 SOC_SINGLE_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN, 315 3, 3, 0, class_D_drv_tlv), 316 317 SOC_SINGLE_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL, 318 0, 0x7F, 1, sp_vol_tlv), 319 }; 320 321 static const struct snd_kcontrol_new ldac_in_control = 322 SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum); 323 324 static const struct snd_kcontrol_new rdac_in_control = 325 SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum); 326 327 static int aic31xx_wait_bits(struct aic31xx_priv *aic31xx, unsigned int reg, 328 unsigned int mask, unsigned int wbits, int sleep, 329 int count) 330 { 331 unsigned int bits; 332 int counter = count; 333 int ret = regmap_read(aic31xx->regmap, reg, &bits); 334 335 while ((bits & mask) != wbits && counter && !ret) { 336 usleep_range(sleep, sleep * 2); 337 ret = regmap_read(aic31xx->regmap, reg, &bits); 338 counter--; 339 } 340 if ((bits & mask) != wbits) { 341 dev_err(aic31xx->dev, 342 "%s: Failed! 0x%x was 0x%x expected 0x%x (%d, 0x%x, %d us)\n", 343 __func__, reg, bits, wbits, ret, mask, 344 (count - counter) * sleep); 345 ret = -1; 346 } 347 return ret; 348 } 349 350 #define WIDGET_BIT(reg, shift) (((shift) << 8) | (reg)) 351 352 static int aic31xx_dapm_power_event(struct snd_soc_dapm_widget *w, 353 struct snd_kcontrol *kcontrol, int event) 354 { 355 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 356 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 357 unsigned int reg = AIC31XX_DACFLAG1; 358 unsigned int mask; 359 360 switch (WIDGET_BIT(w->reg, w->shift)) { 361 case WIDGET_BIT(AIC31XX_DACSETUP, 7): 362 mask = AIC31XX_LDACPWRSTATUS_MASK; 363 break; 364 case WIDGET_BIT(AIC31XX_DACSETUP, 6): 365 mask = AIC31XX_RDACPWRSTATUS_MASK; 366 break; 367 case WIDGET_BIT(AIC31XX_HPDRIVER, 7): 368 mask = AIC31XX_HPLDRVPWRSTATUS_MASK; 369 break; 370 case WIDGET_BIT(AIC31XX_HPDRIVER, 6): 371 mask = AIC31XX_HPRDRVPWRSTATUS_MASK; 372 break; 373 case WIDGET_BIT(AIC31XX_SPKAMP, 7): 374 mask = AIC31XX_SPLDRVPWRSTATUS_MASK; 375 break; 376 case WIDGET_BIT(AIC31XX_SPKAMP, 6): 377 mask = AIC31XX_SPRDRVPWRSTATUS_MASK; 378 break; 379 case WIDGET_BIT(AIC31XX_ADCSETUP, 7): 380 mask = AIC31XX_ADCPWRSTATUS_MASK; 381 reg = AIC31XX_ADCFLAG; 382 break; 383 default: 384 dev_err(codec->dev, "Unknown widget '%s' calling %s\n", 385 w->name, __func__); 386 return -EINVAL; 387 } 388 389 switch (event) { 390 case SND_SOC_DAPM_POST_PMU: 391 return aic31xx_wait_bits(aic31xx, reg, mask, mask, 5000, 100); 392 case SND_SOC_DAPM_POST_PMD: 393 return aic31xx_wait_bits(aic31xx, reg, mask, 0, 5000, 100); 394 default: 395 dev_dbg(codec->dev, 396 "Unhandled dapm widget event %d from %s\n", 397 event, w->name); 398 } 399 return 0; 400 } 401 402 static const struct snd_kcontrol_new aic31xx_left_output_switches[] = { 403 SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0), 404 SOC_DAPM_SINGLE("From MIC1LP", AIC31XX_DACMIXERROUTE, 5, 1, 0), 405 SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 4, 1, 0), 406 }; 407 408 static const struct snd_kcontrol_new aic31xx_right_output_switches[] = { 409 SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0), 410 SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 1, 1, 0), 411 }; 412 413 static const struct snd_kcontrol_new dac31xx_left_output_switches[] = { 414 SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0), 415 SOC_DAPM_SINGLE("From AIN1", AIC31XX_DACMIXERROUTE, 5, 1, 0), 416 SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 4, 1, 0), 417 }; 418 419 static const struct snd_kcontrol_new dac31xx_right_output_switches[] = { 420 SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0), 421 SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 1, 1, 0), 422 }; 423 424 static const struct snd_kcontrol_new p_term_mic1lp = 425 SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum); 426 427 static const struct snd_kcontrol_new p_term_mic1rp = 428 SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum); 429 430 static const struct snd_kcontrol_new p_term_mic1lm = 431 SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum); 432 433 static const struct snd_kcontrol_new m_term_mic1lm = 434 SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum); 435 436 static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch = 437 SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0); 438 439 static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch = 440 SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0); 441 442 static const struct snd_kcontrol_new aic31xx_dapm_spl_switch = 443 SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0); 444 445 static const struct snd_kcontrol_new aic31xx_dapm_spr_switch = 446 SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0); 447 448 static int mic_bias_event(struct snd_soc_dapm_widget *w, 449 struct snd_kcontrol *kcontrol, int event) 450 { 451 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 452 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 453 454 switch (event) { 455 case SND_SOC_DAPM_POST_PMU: 456 /* change mic bias voltage to user defined */ 457 snd_soc_update_bits(codec, AIC31XX_MICBIAS, 458 AIC31XX_MICBIAS_MASK, 459 aic31xx->pdata.micbias_vg << 460 AIC31XX_MICBIAS_SHIFT); 461 dev_dbg(codec->dev, "%s: turned on\n", __func__); 462 break; 463 case SND_SOC_DAPM_PRE_PMD: 464 /* turn mic bias off */ 465 snd_soc_update_bits(codec, AIC31XX_MICBIAS, 466 AIC31XX_MICBIAS_MASK, 0); 467 dev_dbg(codec->dev, "%s: turned off\n", __func__); 468 break; 469 } 470 return 0; 471 } 472 473 static const struct snd_soc_dapm_widget common31xx_dapm_widgets[] = { 474 SND_SOC_DAPM_AIF_IN("DAC IN", "DAC Playback", 0, SND_SOC_NOPM, 0, 0), 475 476 SND_SOC_DAPM_MUX("DAC Left Input", 477 SND_SOC_NOPM, 0, 0, &ldac_in_control), 478 SND_SOC_DAPM_MUX("DAC Right Input", 479 SND_SOC_NOPM, 0, 0, &rdac_in_control), 480 /* DACs */ 481 SND_SOC_DAPM_DAC_E("DAC Left", "Left Playback", 482 AIC31XX_DACSETUP, 7, 0, aic31xx_dapm_power_event, 483 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 484 485 SND_SOC_DAPM_DAC_E("DAC Right", "Right Playback", 486 AIC31XX_DACSETUP, 6, 0, aic31xx_dapm_power_event, 487 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 488 489 /* HP */ 490 SND_SOC_DAPM_SWITCH("HP Left", SND_SOC_NOPM, 0, 0, 491 &aic31xx_dapm_hpl_switch), 492 SND_SOC_DAPM_SWITCH("HP Right", SND_SOC_NOPM, 0, 0, 493 &aic31xx_dapm_hpr_switch), 494 495 /* Output drivers */ 496 SND_SOC_DAPM_OUT_DRV_E("HPL Driver", AIC31XX_HPDRIVER, 7, 0, 497 NULL, 0, aic31xx_dapm_power_event, 498 SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU), 499 SND_SOC_DAPM_OUT_DRV_E("HPR Driver", AIC31XX_HPDRIVER, 6, 0, 500 NULL, 0, aic31xx_dapm_power_event, 501 SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU), 502 503 /* Mic Bias */ 504 SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event, 505 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 506 507 /* Outputs */ 508 SND_SOC_DAPM_OUTPUT("HPL"), 509 SND_SOC_DAPM_OUTPUT("HPR"), 510 }; 511 512 static const struct snd_soc_dapm_widget dac31xx_dapm_widgets[] = { 513 /* Inputs */ 514 SND_SOC_DAPM_INPUT("AIN1"), 515 SND_SOC_DAPM_INPUT("AIN2"), 516 517 /* Output Mixers */ 518 SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0, 519 dac31xx_left_output_switches, 520 ARRAY_SIZE(dac31xx_left_output_switches)), 521 SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0, 522 dac31xx_right_output_switches, 523 ARRAY_SIZE(dac31xx_right_output_switches)), 524 }; 525 526 static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = { 527 /* Inputs */ 528 SND_SOC_DAPM_INPUT("MIC1LP"), 529 SND_SOC_DAPM_INPUT("MIC1RP"), 530 SND_SOC_DAPM_INPUT("MIC1LM"), 531 532 /* Input Selection to MIC_PGA */ 533 SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0, 534 &p_term_mic1lp), 535 SND_SOC_DAPM_MUX("MIC1RP P-Terminal", SND_SOC_NOPM, 0, 0, 536 &p_term_mic1rp), 537 SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0, 538 &p_term_mic1lm), 539 540 /* ADC */ 541 SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0, 542 aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU | 543 SND_SOC_DAPM_POST_PMD), 544 545 SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0, 546 &m_term_mic1lm), 547 548 /* Enabling & Disabling MIC Gain Ctl */ 549 SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA, 550 7, 1, NULL, 0), 551 552 /* Output Mixers */ 553 SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0, 554 aic31xx_left_output_switches, 555 ARRAY_SIZE(aic31xx_left_output_switches)), 556 SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0, 557 aic31xx_right_output_switches, 558 ARRAY_SIZE(aic31xx_right_output_switches)), 559 }; 560 561 static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = { 562 /* AIC3111 and AIC3110 have stereo class-D amplifier */ 563 SND_SOC_DAPM_OUT_DRV_E("SPL ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0, 564 aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU | 565 SND_SOC_DAPM_POST_PMD), 566 SND_SOC_DAPM_OUT_DRV_E("SPR ClassD", AIC31XX_SPKAMP, 6, 0, NULL, 0, 567 aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU | 568 SND_SOC_DAPM_POST_PMD), 569 SND_SOC_DAPM_SWITCH("Speaker Left", SND_SOC_NOPM, 0, 0, 570 &aic31xx_dapm_spl_switch), 571 SND_SOC_DAPM_SWITCH("Speaker Right", SND_SOC_NOPM, 0, 0, 572 &aic31xx_dapm_spr_switch), 573 SND_SOC_DAPM_OUTPUT("SPL"), 574 SND_SOC_DAPM_OUTPUT("SPR"), 575 }; 576 577 /* AIC3100 and AIC3120 have only mono class-D amplifier */ 578 static const struct snd_soc_dapm_widget aic310x_dapm_widgets[] = { 579 SND_SOC_DAPM_OUT_DRV_E("SPK ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0, 580 aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU | 581 SND_SOC_DAPM_POST_PMD), 582 SND_SOC_DAPM_SWITCH("Speaker", SND_SOC_NOPM, 0, 0, 583 &aic31xx_dapm_spl_switch), 584 SND_SOC_DAPM_OUTPUT("SPK"), 585 }; 586 587 static const struct snd_soc_dapm_route 588 common31xx_audio_map[] = { 589 /* DAC Input Routing */ 590 {"DAC Left Input", "Left Data", "DAC IN"}, 591 {"DAC Left Input", "Right Data", "DAC IN"}, 592 {"DAC Left Input", "Mono", "DAC IN"}, 593 {"DAC Right Input", "Left Data", "DAC IN"}, 594 {"DAC Right Input", "Right Data", "DAC IN"}, 595 {"DAC Right Input", "Mono", "DAC IN"}, 596 {"DAC Left", NULL, "DAC Left Input"}, 597 {"DAC Right", NULL, "DAC Right Input"}, 598 599 /* HPL path */ 600 {"HP Left", "Switch", "Output Left"}, 601 {"HPL Driver", NULL, "HP Left"}, 602 {"HPL", NULL, "HPL Driver"}, 603 604 /* HPR path */ 605 {"HP Right", "Switch", "Output Right"}, 606 {"HPR Driver", NULL, "HP Right"}, 607 {"HPR", NULL, "HPR Driver"}, 608 }; 609 610 static const struct snd_soc_dapm_route 611 dac31xx_audio_map[] = { 612 /* Left Output */ 613 {"Output Left", "From Left DAC", "DAC Left"}, 614 {"Output Left", "From AIN1", "AIN1"}, 615 {"Output Left", "From AIN2", "AIN2"}, 616 617 /* Right Output */ 618 {"Output Right", "From Right DAC", "DAC Right"}, 619 {"Output Right", "From AIN2", "AIN2"}, 620 }; 621 622 static const struct snd_soc_dapm_route 623 aic31xx_audio_map[] = { 624 /* Mic input */ 625 {"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"}, 626 {"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"}, 627 {"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"}, 628 {"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"}, 629 {"MIC1RP P-Terminal", "FFR 20 Ohm", "MIC1RP"}, 630 {"MIC1RP P-Terminal", "FFR 40 Ohm", "MIC1RP"}, 631 {"MIC1LM P-Terminal", "FFR 10 Ohm", "MIC1LM"}, 632 {"MIC1LM P-Terminal", "FFR 20 Ohm", "MIC1LM"}, 633 {"MIC1LM P-Terminal", "FFR 40 Ohm", "MIC1LM"}, 634 635 {"MIC1LM M-Terminal", "FFR 10 Ohm", "MIC1LM"}, 636 {"MIC1LM M-Terminal", "FFR 20 Ohm", "MIC1LM"}, 637 {"MIC1LM M-Terminal", "FFR 40 Ohm", "MIC1LM"}, 638 639 {"MIC_GAIN_CTL", NULL, "MIC1LP P-Terminal"}, 640 {"MIC_GAIN_CTL", NULL, "MIC1RP P-Terminal"}, 641 {"MIC_GAIN_CTL", NULL, "MIC1LM P-Terminal"}, 642 {"MIC_GAIN_CTL", NULL, "MIC1LM M-Terminal"}, 643 644 {"ADC", NULL, "MIC_GAIN_CTL"}, 645 646 /* Left Output */ 647 {"Output Left", "From Left DAC", "DAC Left"}, 648 {"Output Left", "From MIC1LP", "MIC1LP"}, 649 {"Output Left", "From MIC1RP", "MIC1RP"}, 650 651 /* Right Output */ 652 {"Output Right", "From Right DAC", "DAC Right"}, 653 {"Output Right", "From MIC1RP", "MIC1RP"}, 654 }; 655 656 static const struct snd_soc_dapm_route 657 aic311x_audio_map[] = { 658 /* SP L path */ 659 {"Speaker Left", "Switch", "Output Left"}, 660 {"SPL ClassD", NULL, "Speaker Left"}, 661 {"SPL", NULL, "SPL ClassD"}, 662 663 /* SP R path */ 664 {"Speaker Right", "Switch", "Output Right"}, 665 {"SPR ClassD", NULL, "Speaker Right"}, 666 {"SPR", NULL, "SPR ClassD"}, 667 }; 668 669 static const struct snd_soc_dapm_route 670 aic310x_audio_map[] = { 671 /* SP L path */ 672 {"Speaker", "Switch", "Output Left"}, 673 {"SPK ClassD", NULL, "Speaker"}, 674 {"SPK", NULL, "SPK ClassD"}, 675 }; 676 677 static int aic31xx_add_controls(struct snd_soc_codec *codec) 678 { 679 int ret = 0; 680 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 681 682 if (!(aic31xx->pdata.codec_type & DAC31XX_BIT)) 683 ret = snd_soc_add_codec_controls( 684 codec, aic31xx_snd_controls, 685 ARRAY_SIZE(aic31xx_snd_controls)); 686 if (ret) 687 return ret; 688 689 if (aic31xx->pdata.codec_type & AIC31XX_STEREO_CLASS_D_BIT) 690 ret = snd_soc_add_codec_controls( 691 codec, aic311x_snd_controls, 692 ARRAY_SIZE(aic311x_snd_controls)); 693 else 694 ret = snd_soc_add_codec_controls( 695 codec, aic310x_snd_controls, 696 ARRAY_SIZE(aic310x_snd_controls)); 697 698 return ret; 699 } 700 701 static int aic31xx_add_widgets(struct snd_soc_codec *codec) 702 { 703 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); 704 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 705 int ret = 0; 706 707 if (aic31xx->pdata.codec_type & DAC31XX_BIT) { 708 ret = snd_soc_dapm_new_controls( 709 dapm, dac31xx_dapm_widgets, 710 ARRAY_SIZE(dac31xx_dapm_widgets)); 711 if (ret) 712 return ret; 713 714 ret = snd_soc_dapm_add_routes(dapm, dac31xx_audio_map, 715 ARRAY_SIZE(dac31xx_audio_map)); 716 if (ret) 717 return ret; 718 } else { 719 ret = snd_soc_dapm_new_controls( 720 dapm, aic31xx_dapm_widgets, 721 ARRAY_SIZE(aic31xx_dapm_widgets)); 722 if (ret) 723 return ret; 724 725 ret = snd_soc_dapm_add_routes(dapm, aic31xx_audio_map, 726 ARRAY_SIZE(aic31xx_audio_map)); 727 if (ret) 728 return ret; 729 } 730 731 if (aic31xx->pdata.codec_type & AIC31XX_STEREO_CLASS_D_BIT) { 732 ret = snd_soc_dapm_new_controls( 733 dapm, aic311x_dapm_widgets, 734 ARRAY_SIZE(aic311x_dapm_widgets)); 735 if (ret) 736 return ret; 737 738 ret = snd_soc_dapm_add_routes(dapm, aic311x_audio_map, 739 ARRAY_SIZE(aic311x_audio_map)); 740 if (ret) 741 return ret; 742 } else { 743 ret = snd_soc_dapm_new_controls( 744 dapm, aic310x_dapm_widgets, 745 ARRAY_SIZE(aic310x_dapm_widgets)); 746 if (ret) 747 return ret; 748 749 ret = snd_soc_dapm_add_routes(dapm, aic310x_audio_map, 750 ARRAY_SIZE(aic310x_audio_map)); 751 if (ret) 752 return ret; 753 } 754 755 return 0; 756 } 757 758 static int aic31xx_setup_pll(struct snd_soc_codec *codec, 759 struct snd_pcm_hw_params *params) 760 { 761 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 762 int bclk_score = snd_soc_params_to_frame_size(params); 763 int mclk_p = aic31xx->sysclk / aic31xx->p_div; 764 int bclk_n = 0; 765 int match = -1; 766 int i; 767 768 /* Use PLL as CODEC_CLKIN and DAC_CLK as BDIV_CLKIN */ 769 snd_soc_update_bits(codec, AIC31XX_CLKMUX, 770 AIC31XX_CODEC_CLKIN_MASK, AIC31XX_CODEC_CLKIN_PLL); 771 snd_soc_update_bits(codec, AIC31XX_IFACE2, 772 AIC31XX_BDIVCLK_MASK, AIC31XX_DAC2BCLK); 773 774 for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) { 775 if (aic31xx_divs[i].rate == params_rate(params) && 776 aic31xx_divs[i].mclk_p == mclk_p) { 777 int s = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) % 778 snd_soc_params_to_frame_size(params); 779 int bn = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) / 780 snd_soc_params_to_frame_size(params); 781 if (s < bclk_score && bn > 0) { 782 match = i; 783 bclk_n = bn; 784 bclk_score = s; 785 } 786 } 787 } 788 789 if (match == -1) { 790 dev_err(codec->dev, 791 "%s: Sample rate (%u) and format not supported\n", 792 __func__, params_rate(params)); 793 /* See bellow for details how fix this. */ 794 return -EINVAL; 795 } 796 if (bclk_score != 0) { 797 dev_warn(codec->dev, "Can not produce exact bitclock"); 798 /* This is fine if using dsp format, but if using i2s 799 there may be trouble. To fix the issue edit the 800 aic31xx_divs table for your mclk and sample 801 rate. Details can be found from: 802 http://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf 803 Section: 5.6 CLOCK Generation and PLL 804 */ 805 } 806 i = match; 807 808 /* PLL configuration */ 809 snd_soc_update_bits(codec, AIC31XX_PLLPR, AIC31XX_PLL_MASK, 810 (aic31xx->p_div << 4) | 0x01); 811 snd_soc_write(codec, AIC31XX_PLLJ, aic31xx_divs[i].pll_j); 812 813 snd_soc_write(codec, AIC31XX_PLLDMSB, 814 aic31xx_divs[i].pll_d >> 8); 815 snd_soc_write(codec, AIC31XX_PLLDLSB, 816 aic31xx_divs[i].pll_d & 0xff); 817 818 /* DAC dividers configuration */ 819 snd_soc_update_bits(codec, AIC31XX_NDAC, AIC31XX_PLL_MASK, 820 aic31xx_divs[i].ndac); 821 snd_soc_update_bits(codec, AIC31XX_MDAC, AIC31XX_PLL_MASK, 822 aic31xx_divs[i].mdac); 823 824 snd_soc_write(codec, AIC31XX_DOSRMSB, aic31xx_divs[i].dosr >> 8); 825 snd_soc_write(codec, AIC31XX_DOSRLSB, aic31xx_divs[i].dosr & 0xff); 826 827 /* ADC dividers configuration. Write reset value 1 if not used. */ 828 snd_soc_update_bits(codec, AIC31XX_NADC, AIC31XX_PLL_MASK, 829 aic31xx_divs[i].nadc ? aic31xx_divs[i].nadc : 1); 830 snd_soc_update_bits(codec, AIC31XX_MADC, AIC31XX_PLL_MASK, 831 aic31xx_divs[i].madc ? aic31xx_divs[i].madc : 1); 832 833 snd_soc_write(codec, AIC31XX_AOSR, aic31xx_divs[i].aosr); 834 835 /* Bit clock divider configuration. */ 836 snd_soc_update_bits(codec, AIC31XX_BCLKN, 837 AIC31XX_PLL_MASK, bclk_n); 838 839 aic31xx->rate_div_line = i; 840 841 dev_dbg(codec->dev, 842 "pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n", 843 aic31xx_divs[i].pll_j, aic31xx_divs[i].pll_d, 844 aic31xx->p_div, aic31xx_divs[i].dosr, 845 aic31xx_divs[i].ndac, aic31xx_divs[i].mdac, 846 aic31xx_divs[i].aosr, aic31xx_divs[i].nadc, 847 aic31xx_divs[i].madc, bclk_n); 848 849 return 0; 850 } 851 852 static int aic31xx_hw_params(struct snd_pcm_substream *substream, 853 struct snd_pcm_hw_params *params, 854 struct snd_soc_dai *dai) 855 { 856 struct snd_soc_codec *codec = dai->codec; 857 u8 data = 0; 858 859 dev_dbg(codec->dev, "## %s: width %d rate %d\n", 860 __func__, params_width(params), 861 params_rate(params)); 862 863 switch (params_width(params)) { 864 case 16: 865 break; 866 case 20: 867 data = (AIC31XX_WORD_LEN_20BITS << 868 AIC31XX_IFACE1_DATALEN_SHIFT); 869 break; 870 case 24: 871 data = (AIC31XX_WORD_LEN_24BITS << 872 AIC31XX_IFACE1_DATALEN_SHIFT); 873 break; 874 case 32: 875 data = (AIC31XX_WORD_LEN_32BITS << 876 AIC31XX_IFACE1_DATALEN_SHIFT); 877 break; 878 default: 879 dev_err(codec->dev, "%s: Unsupported width %d\n", 880 __func__, params_width(params)); 881 return -EINVAL; 882 } 883 884 snd_soc_update_bits(codec, AIC31XX_IFACE1, 885 AIC31XX_IFACE1_DATALEN_MASK, 886 data); 887 888 return aic31xx_setup_pll(codec, params); 889 } 890 891 static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute) 892 { 893 struct snd_soc_codec *codec = codec_dai->codec; 894 895 if (mute) { 896 snd_soc_update_bits(codec, AIC31XX_DACMUTE, 897 AIC31XX_DACMUTE_MASK, 898 AIC31XX_DACMUTE_MASK); 899 } else { 900 snd_soc_update_bits(codec, AIC31XX_DACMUTE, 901 AIC31XX_DACMUTE_MASK, 0x0); 902 } 903 904 return 0; 905 } 906 907 static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai, 908 unsigned int fmt) 909 { 910 struct snd_soc_codec *codec = codec_dai->codec; 911 u8 iface_reg1 = 0; 912 u8 iface_reg2 = 0; 913 u8 dsp_a_val = 0; 914 915 dev_dbg(codec->dev, "## %s: fmt = 0x%x\n", __func__, fmt); 916 917 /* set master/slave audio interface */ 918 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 919 case SND_SOC_DAIFMT_CBM_CFM: 920 iface_reg1 |= AIC31XX_BCLK_MASTER | AIC31XX_WCLK_MASTER; 921 break; 922 default: 923 dev_alert(codec->dev, "Invalid DAI master/slave interface\n"); 924 return -EINVAL; 925 } 926 927 /* interface format */ 928 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 929 case SND_SOC_DAIFMT_I2S: 930 break; 931 case SND_SOC_DAIFMT_DSP_A: 932 dsp_a_val = 0x1; 933 case SND_SOC_DAIFMT_DSP_B: 934 /* NOTE: BCLKINV bit value 1 equas NB and 0 equals IB */ 935 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 936 case SND_SOC_DAIFMT_NB_NF: 937 iface_reg2 |= AIC31XX_BCLKINV_MASK; 938 break; 939 case SND_SOC_DAIFMT_IB_NF: 940 break; 941 default: 942 return -EINVAL; 943 } 944 iface_reg1 |= (AIC31XX_DSP_MODE << 945 AIC31XX_IFACE1_DATATYPE_SHIFT); 946 break; 947 case SND_SOC_DAIFMT_RIGHT_J: 948 iface_reg1 |= (AIC31XX_RIGHT_JUSTIFIED_MODE << 949 AIC31XX_IFACE1_DATATYPE_SHIFT); 950 break; 951 case SND_SOC_DAIFMT_LEFT_J: 952 iface_reg1 |= (AIC31XX_LEFT_JUSTIFIED_MODE << 953 AIC31XX_IFACE1_DATATYPE_SHIFT); 954 break; 955 default: 956 dev_err(codec->dev, "Invalid DAI interface format\n"); 957 return -EINVAL; 958 } 959 960 snd_soc_update_bits(codec, AIC31XX_IFACE1, 961 AIC31XX_IFACE1_DATATYPE_MASK | 962 AIC31XX_IFACE1_MASTER_MASK, 963 iface_reg1); 964 snd_soc_update_bits(codec, AIC31XX_DATA_OFFSET, 965 AIC31XX_DATA_OFFSET_MASK, 966 dsp_a_val); 967 snd_soc_update_bits(codec, AIC31XX_IFACE2, 968 AIC31XX_BCLKINV_MASK, 969 iface_reg2); 970 971 return 0; 972 } 973 974 static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai, 975 int clk_id, unsigned int freq, int dir) 976 { 977 struct snd_soc_codec *codec = codec_dai->codec; 978 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 979 int i; 980 981 dev_dbg(codec->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n", 982 __func__, clk_id, freq, dir); 983 984 for (i = 1; freq/i > 20000000 && i < 8; i++) 985 ; 986 if (freq/i > 20000000) { 987 dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n", 988 __func__, freq); 989 return -EINVAL; 990 } 991 aic31xx->p_div = i; 992 993 for (i = 0; i < ARRAY_SIZE(aic31xx_divs) && 994 aic31xx_divs[i].mclk_p != freq/aic31xx->p_div; i++) 995 ; 996 if (i == ARRAY_SIZE(aic31xx_divs)) { 997 dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n", 998 __func__, freq); 999 return -EINVAL; 1000 } 1001 1002 /* set clock on MCLK, BCLK, or GPIO1 as PLL input */ 1003 snd_soc_update_bits(codec, AIC31XX_CLKMUX, AIC31XX_PLL_CLKIN_MASK, 1004 clk_id << AIC31XX_PLL_CLKIN_SHIFT); 1005 1006 aic31xx->sysclk = freq; 1007 return 0; 1008 } 1009 1010 static int aic31xx_regulator_event(struct notifier_block *nb, 1011 unsigned long event, void *data) 1012 { 1013 struct aic31xx_disable_nb *disable_nb = 1014 container_of(nb, struct aic31xx_disable_nb, nb); 1015 struct aic31xx_priv *aic31xx = disable_nb->aic31xx; 1016 1017 if (event & REGULATOR_EVENT_DISABLE) { 1018 /* 1019 * Put codec to reset and as at least one of the 1020 * supplies was disabled. 1021 */ 1022 if (gpio_is_valid(aic31xx->pdata.gpio_reset)) 1023 gpio_set_value(aic31xx->pdata.gpio_reset, 0); 1024 1025 regcache_mark_dirty(aic31xx->regmap); 1026 dev_dbg(aic31xx->dev, "## %s: DISABLE received\n", __func__); 1027 } 1028 1029 return 0; 1030 } 1031 1032 static void aic31xx_clk_on(struct snd_soc_codec *codec) 1033 { 1034 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 1035 u8 mask = AIC31XX_PM_MASK; 1036 u8 on = AIC31XX_PM_MASK; 1037 1038 dev_dbg(codec->dev, "codec clock -> on (rate %d)\n", 1039 aic31xx_divs[aic31xx->rate_div_line].rate); 1040 snd_soc_update_bits(codec, AIC31XX_PLLPR, mask, on); 1041 mdelay(10); 1042 snd_soc_update_bits(codec, AIC31XX_NDAC, mask, on); 1043 snd_soc_update_bits(codec, AIC31XX_MDAC, mask, on); 1044 if (aic31xx_divs[aic31xx->rate_div_line].nadc) 1045 snd_soc_update_bits(codec, AIC31XX_NADC, mask, on); 1046 if (aic31xx_divs[aic31xx->rate_div_line].madc) 1047 snd_soc_update_bits(codec, AIC31XX_MADC, mask, on); 1048 snd_soc_update_bits(codec, AIC31XX_BCLKN, mask, on); 1049 } 1050 1051 static void aic31xx_clk_off(struct snd_soc_codec *codec) 1052 { 1053 u8 mask = AIC31XX_PM_MASK; 1054 u8 off = 0; 1055 1056 dev_dbg(codec->dev, "codec clock -> off\n"); 1057 snd_soc_update_bits(codec, AIC31XX_BCLKN, mask, off); 1058 snd_soc_update_bits(codec, AIC31XX_MADC, mask, off); 1059 snd_soc_update_bits(codec, AIC31XX_NADC, mask, off); 1060 snd_soc_update_bits(codec, AIC31XX_MDAC, mask, off); 1061 snd_soc_update_bits(codec, AIC31XX_NDAC, mask, off); 1062 snd_soc_update_bits(codec, AIC31XX_PLLPR, mask, off); 1063 } 1064 1065 static int aic31xx_power_on(struct snd_soc_codec *codec) 1066 { 1067 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 1068 int ret = 0; 1069 1070 ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies), 1071 aic31xx->supplies); 1072 if (ret) 1073 return ret; 1074 1075 if (gpio_is_valid(aic31xx->pdata.gpio_reset)) { 1076 gpio_set_value(aic31xx->pdata.gpio_reset, 1); 1077 udelay(100); 1078 } 1079 regcache_cache_only(aic31xx->regmap, false); 1080 ret = regcache_sync(aic31xx->regmap); 1081 if (ret != 0) { 1082 dev_err(codec->dev, 1083 "Failed to restore cache: %d\n", ret); 1084 regcache_cache_only(aic31xx->regmap, true); 1085 regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies), 1086 aic31xx->supplies); 1087 return ret; 1088 } 1089 return 0; 1090 } 1091 1092 static int aic31xx_power_off(struct snd_soc_codec *codec) 1093 { 1094 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 1095 int ret = 0; 1096 1097 regcache_cache_only(aic31xx->regmap, true); 1098 ret = regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies), 1099 aic31xx->supplies); 1100 1101 return ret; 1102 } 1103 1104 static int aic31xx_set_bias_level(struct snd_soc_codec *codec, 1105 enum snd_soc_bias_level level) 1106 { 1107 dev_dbg(codec->dev, "## %s: %d -> %d\n", __func__, 1108 snd_soc_codec_get_bias_level(codec), level); 1109 1110 switch (level) { 1111 case SND_SOC_BIAS_ON: 1112 break; 1113 case SND_SOC_BIAS_PREPARE: 1114 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY) 1115 aic31xx_clk_on(codec); 1116 break; 1117 case SND_SOC_BIAS_STANDBY: 1118 switch (snd_soc_codec_get_bias_level(codec)) { 1119 case SND_SOC_BIAS_OFF: 1120 aic31xx_power_on(codec); 1121 break; 1122 case SND_SOC_BIAS_PREPARE: 1123 aic31xx_clk_off(codec); 1124 break; 1125 default: 1126 BUG(); 1127 } 1128 break; 1129 case SND_SOC_BIAS_OFF: 1130 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY) 1131 aic31xx_power_off(codec); 1132 break; 1133 } 1134 1135 return 0; 1136 } 1137 1138 static int aic31xx_codec_probe(struct snd_soc_codec *codec) 1139 { 1140 int ret = 0; 1141 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 1142 int i; 1143 1144 dev_dbg(aic31xx->dev, "## %s\n", __func__); 1145 1146 aic31xx = snd_soc_codec_get_drvdata(codec); 1147 1148 aic31xx->codec = codec; 1149 1150 for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) { 1151 aic31xx->disable_nb[i].nb.notifier_call = 1152 aic31xx_regulator_event; 1153 aic31xx->disable_nb[i].aic31xx = aic31xx; 1154 ret = regulator_register_notifier(aic31xx->supplies[i].consumer, 1155 &aic31xx->disable_nb[i].nb); 1156 if (ret) { 1157 dev_err(codec->dev, 1158 "Failed to request regulator notifier: %d\n", 1159 ret); 1160 return ret; 1161 } 1162 } 1163 1164 regcache_cache_only(aic31xx->regmap, true); 1165 regcache_mark_dirty(aic31xx->regmap); 1166 1167 ret = aic31xx_add_controls(codec); 1168 if (ret) 1169 return ret; 1170 1171 ret = aic31xx_add_widgets(codec); 1172 1173 return ret; 1174 } 1175 1176 static int aic31xx_codec_remove(struct snd_soc_codec *codec) 1177 { 1178 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); 1179 int i; 1180 1181 for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) 1182 regulator_unregister_notifier(aic31xx->supplies[i].consumer, 1183 &aic31xx->disable_nb[i].nb); 1184 1185 return 0; 1186 } 1187 1188 static struct snd_soc_codec_driver soc_codec_driver_aic31xx = { 1189 .probe = aic31xx_codec_probe, 1190 .remove = aic31xx_codec_remove, 1191 .set_bias_level = aic31xx_set_bias_level, 1192 .suspend_bias_off = true, 1193 1194 .component_driver = { 1195 .controls = common31xx_snd_controls, 1196 .num_controls = ARRAY_SIZE(common31xx_snd_controls), 1197 .dapm_widgets = common31xx_dapm_widgets, 1198 .num_dapm_widgets = ARRAY_SIZE(common31xx_dapm_widgets), 1199 .dapm_routes = common31xx_audio_map, 1200 .num_dapm_routes = ARRAY_SIZE(common31xx_audio_map), 1201 }, 1202 }; 1203 1204 static const struct snd_soc_dai_ops aic31xx_dai_ops = { 1205 .hw_params = aic31xx_hw_params, 1206 .set_sysclk = aic31xx_set_dai_sysclk, 1207 .set_fmt = aic31xx_set_dai_fmt, 1208 .digital_mute = aic31xx_dac_mute, 1209 }; 1210 1211 static struct snd_soc_dai_driver dac31xx_dai_driver[] = { 1212 { 1213 .name = "tlv32dac31xx-hifi", 1214 .playback = { 1215 .stream_name = "Playback", 1216 .channels_min = 2, 1217 .channels_max = 2, 1218 .rates = AIC31XX_RATES, 1219 .formats = AIC31XX_FORMATS, 1220 }, 1221 .ops = &aic31xx_dai_ops, 1222 .symmetric_rates = 1, 1223 } 1224 }; 1225 1226 static struct snd_soc_dai_driver aic31xx_dai_driver[] = { 1227 { 1228 .name = "tlv320aic31xx-hifi", 1229 .playback = { 1230 .stream_name = "Playback", 1231 .channels_min = 2, 1232 .channels_max = 2, 1233 .rates = AIC31XX_RATES, 1234 .formats = AIC31XX_FORMATS, 1235 }, 1236 .capture = { 1237 .stream_name = "Capture", 1238 .channels_min = 2, 1239 .channels_max = 2, 1240 .rates = AIC31XX_RATES, 1241 .formats = AIC31XX_FORMATS, 1242 }, 1243 .ops = &aic31xx_dai_ops, 1244 .symmetric_rates = 1, 1245 } 1246 }; 1247 1248 #if defined(CONFIG_OF) 1249 static const struct of_device_id tlv320aic31xx_of_match[] = { 1250 { .compatible = "ti,tlv320aic310x" }, 1251 { .compatible = "ti,tlv320aic311x" }, 1252 { .compatible = "ti,tlv320aic3100" }, 1253 { .compatible = "ti,tlv320aic3110" }, 1254 { .compatible = "ti,tlv320aic3120" }, 1255 { .compatible = "ti,tlv320aic3111" }, 1256 { .compatible = "ti,tlv320dac3100" }, 1257 { .compatible = "ti,tlv320dac3101" }, 1258 {}, 1259 }; 1260 MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match); 1261 1262 static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx) 1263 { 1264 struct device_node *np = aic31xx->dev->of_node; 1265 unsigned int value = MICBIAS_2_0V; 1266 int ret; 1267 1268 of_property_read_u32(np, "ai31xx-micbias-vg", &value); 1269 switch (value) { 1270 case MICBIAS_2_0V: 1271 case MICBIAS_2_5V: 1272 case MICBIAS_AVDDV: 1273 aic31xx->pdata.micbias_vg = value; 1274 break; 1275 default: 1276 dev_err(aic31xx->dev, 1277 "Bad ai31xx-micbias-vg value %d DT\n", 1278 value); 1279 aic31xx->pdata.micbias_vg = MICBIAS_2_0V; 1280 } 1281 1282 ret = of_get_named_gpio(np, "gpio-reset", 0); 1283 if (ret > 0) 1284 aic31xx->pdata.gpio_reset = ret; 1285 } 1286 #else /* CONFIG_OF */ 1287 static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx) 1288 { 1289 } 1290 #endif /* CONFIG_OF */ 1291 1292 static int aic31xx_device_init(struct aic31xx_priv *aic31xx) 1293 { 1294 int ret, i; 1295 1296 dev_set_drvdata(aic31xx->dev, aic31xx); 1297 1298 if (dev_get_platdata(aic31xx->dev)) 1299 memcpy(&aic31xx->pdata, dev_get_platdata(aic31xx->dev), 1300 sizeof(aic31xx->pdata)); 1301 else if (aic31xx->dev->of_node) 1302 aic31xx_pdata_from_of(aic31xx); 1303 1304 if (aic31xx->pdata.gpio_reset) { 1305 ret = devm_gpio_request_one(aic31xx->dev, 1306 aic31xx->pdata.gpio_reset, 1307 GPIOF_OUT_INIT_HIGH, 1308 "aic31xx-reset-pin"); 1309 if (ret < 0) { 1310 dev_err(aic31xx->dev, "not able to acquire gpio\n"); 1311 return ret; 1312 } 1313 } 1314 1315 for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) 1316 aic31xx->supplies[i].supply = aic31xx_supply_names[i]; 1317 1318 ret = devm_regulator_bulk_get(aic31xx->dev, 1319 ARRAY_SIZE(aic31xx->supplies), 1320 aic31xx->supplies); 1321 if (ret != 0) 1322 dev_err(aic31xx->dev, "Failed to request supplies: %d\n", ret); 1323 1324 return ret; 1325 } 1326 1327 static int aic31xx_i2c_probe(struct i2c_client *i2c, 1328 const struct i2c_device_id *id) 1329 { 1330 struct aic31xx_priv *aic31xx; 1331 int ret; 1332 const struct regmap_config *regmap_config; 1333 1334 dev_dbg(&i2c->dev, "## %s: %s codec_type = %d\n", __func__, 1335 id->name, (int) id->driver_data); 1336 1337 regmap_config = &aic31xx_i2c_regmap; 1338 1339 aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL); 1340 if (aic31xx == NULL) 1341 return -ENOMEM; 1342 1343 aic31xx->regmap = devm_regmap_init_i2c(i2c, regmap_config); 1344 if (IS_ERR(aic31xx->regmap)) { 1345 ret = PTR_ERR(aic31xx->regmap); 1346 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", 1347 ret); 1348 return ret; 1349 } 1350 aic31xx->dev = &i2c->dev; 1351 1352 aic31xx->pdata.codec_type = id->driver_data; 1353 1354 ret = aic31xx_device_init(aic31xx); 1355 if (ret) 1356 return ret; 1357 1358 if (aic31xx->pdata.codec_type & DAC31XX_BIT) 1359 return snd_soc_register_codec(&i2c->dev, 1360 &soc_codec_driver_aic31xx, 1361 dac31xx_dai_driver, 1362 ARRAY_SIZE(dac31xx_dai_driver)); 1363 else 1364 return snd_soc_register_codec(&i2c->dev, 1365 &soc_codec_driver_aic31xx, 1366 aic31xx_dai_driver, 1367 ARRAY_SIZE(aic31xx_dai_driver)); 1368 } 1369 1370 static int aic31xx_i2c_remove(struct i2c_client *i2c) 1371 { 1372 snd_soc_unregister_codec(&i2c->dev); 1373 return 0; 1374 } 1375 1376 static const struct i2c_device_id aic31xx_i2c_id[] = { 1377 { "tlv320aic310x", AIC3100 }, 1378 { "tlv320aic311x", AIC3110 }, 1379 { "tlv320aic3100", AIC3100 }, 1380 { "tlv320aic3110", AIC3110 }, 1381 { "tlv320aic3120", AIC3120 }, 1382 { "tlv320aic3111", AIC3111 }, 1383 { "tlv320dac3100", DAC3100 }, 1384 { "tlv320dac3101", DAC3101 }, 1385 { } 1386 }; 1387 MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id); 1388 1389 #ifdef CONFIG_ACPI 1390 static const struct acpi_device_id aic31xx_acpi_match[] = { 1391 { "10TI3100", 0 }, 1392 { } 1393 }; 1394 MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match); 1395 #endif 1396 1397 static struct i2c_driver aic31xx_i2c_driver = { 1398 .driver = { 1399 .name = "tlv320aic31xx-codec", 1400 .of_match_table = of_match_ptr(tlv320aic31xx_of_match), 1401 .acpi_match_table = ACPI_PTR(aic31xx_acpi_match), 1402 }, 1403 .probe = aic31xx_i2c_probe, 1404 .remove = aic31xx_i2c_remove, 1405 .id_table = aic31xx_i2c_id, 1406 }; 1407 1408 module_i2c_driver(aic31xx_i2c_driver); 1409 1410 MODULE_DESCRIPTION("ASoC TLV320AIC3111 codec driver"); 1411 MODULE_AUTHOR("Jyri Sarha"); 1412 MODULE_LICENSE("GPL"); 1413