1 /* 2 * ALSA SoC TWL4030 codec driver 3 * 4 * Author: Steve Sakoman, <steve@sakoman.com> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * version 2 as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, but 11 * WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 18 * 02110-1301 USA 19 * 20 */ 21 22 #include <linux/module.h> 23 #include <linux/moduleparam.h> 24 #include <linux/init.h> 25 #include <linux/delay.h> 26 #include <linux/pm.h> 27 #include <linux/i2c.h> 28 #include <linux/platform_device.h> 29 #include <linux/i2c/twl.h> 30 #include <linux/slab.h> 31 #include <sound/core.h> 32 #include <sound/pcm.h> 33 #include <sound/pcm_params.h> 34 #include <sound/soc.h> 35 #include <sound/initval.h> 36 #include <sound/tlv.h> 37 38 /* Register descriptions are here */ 39 #include <linux/mfd/twl4030-audio.h> 40 41 /* Shadow register used by the audio driver */ 42 #define TWL4030_REG_SW_SHADOW 0x4A 43 #define TWL4030_CACHEREGNUM (TWL4030_REG_SW_SHADOW + 1) 44 45 /* TWL4030_REG_SW_SHADOW (0x4A) Fields */ 46 #define TWL4030_HFL_EN 0x01 47 #define TWL4030_HFR_EN 0x02 48 49 /* 50 * twl4030 register cache & default register settings 51 */ 52 static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = { 53 0x00, /* this register not used */ 54 0x00, /* REG_CODEC_MODE (0x1) */ 55 0x00, /* REG_OPTION (0x2) */ 56 0x00, /* REG_UNKNOWN (0x3) */ 57 0x00, /* REG_MICBIAS_CTL (0x4) */ 58 0x00, /* REG_ANAMICL (0x5) */ 59 0x00, /* REG_ANAMICR (0x6) */ 60 0x00, /* REG_AVADC_CTL (0x7) */ 61 0x00, /* REG_ADCMICSEL (0x8) */ 62 0x00, /* REG_DIGMIXING (0x9) */ 63 0x0f, /* REG_ATXL1PGA (0xA) */ 64 0x0f, /* REG_ATXR1PGA (0xB) */ 65 0x0f, /* REG_AVTXL2PGA (0xC) */ 66 0x0f, /* REG_AVTXR2PGA (0xD) */ 67 0x00, /* REG_AUDIO_IF (0xE) */ 68 0x00, /* REG_VOICE_IF (0xF) */ 69 0x3f, /* REG_ARXR1PGA (0x10) */ 70 0x3f, /* REG_ARXL1PGA (0x11) */ 71 0x3f, /* REG_ARXR2PGA (0x12) */ 72 0x3f, /* REG_ARXL2PGA (0x13) */ 73 0x25, /* REG_VRXPGA (0x14) */ 74 0x00, /* REG_VSTPGA (0x15) */ 75 0x00, /* REG_VRX2ARXPGA (0x16) */ 76 0x00, /* REG_AVDAC_CTL (0x17) */ 77 0x00, /* REG_ARX2VTXPGA (0x18) */ 78 0x32, /* REG_ARXL1_APGA_CTL (0x19) */ 79 0x32, /* REG_ARXR1_APGA_CTL (0x1A) */ 80 0x32, /* REG_ARXL2_APGA_CTL (0x1B) */ 81 0x32, /* REG_ARXR2_APGA_CTL (0x1C) */ 82 0x00, /* REG_ATX2ARXPGA (0x1D) */ 83 0x00, /* REG_BT_IF (0x1E) */ 84 0x55, /* REG_BTPGA (0x1F) */ 85 0x00, /* REG_BTSTPGA (0x20) */ 86 0x00, /* REG_EAR_CTL (0x21) */ 87 0x00, /* REG_HS_SEL (0x22) */ 88 0x00, /* REG_HS_GAIN_SET (0x23) */ 89 0x00, /* REG_HS_POPN_SET (0x24) */ 90 0x00, /* REG_PREDL_CTL (0x25) */ 91 0x00, /* REG_PREDR_CTL (0x26) */ 92 0x00, /* REG_PRECKL_CTL (0x27) */ 93 0x00, /* REG_PRECKR_CTL (0x28) */ 94 0x00, /* REG_HFL_CTL (0x29) */ 95 0x00, /* REG_HFR_CTL (0x2A) */ 96 0x05, /* REG_ALC_CTL (0x2B) */ 97 0x00, /* REG_ALC_SET1 (0x2C) */ 98 0x00, /* REG_ALC_SET2 (0x2D) */ 99 0x00, /* REG_BOOST_CTL (0x2E) */ 100 0x00, /* REG_SOFTVOL_CTL (0x2F) */ 101 0x13, /* REG_DTMF_FREQSEL (0x30) */ 102 0x00, /* REG_DTMF_TONEXT1H (0x31) */ 103 0x00, /* REG_DTMF_TONEXT1L (0x32) */ 104 0x00, /* REG_DTMF_TONEXT2H (0x33) */ 105 0x00, /* REG_DTMF_TONEXT2L (0x34) */ 106 0x79, /* REG_DTMF_TONOFF (0x35) */ 107 0x11, /* REG_DTMF_WANONOFF (0x36) */ 108 0x00, /* REG_I2S_RX_SCRAMBLE_H (0x37) */ 109 0x00, /* REG_I2S_RX_SCRAMBLE_M (0x38) */ 110 0x00, /* REG_I2S_RX_SCRAMBLE_L (0x39) */ 111 0x06, /* REG_APLL_CTL (0x3A) */ 112 0x00, /* REG_DTMF_CTL (0x3B) */ 113 0x44, /* REG_DTMF_PGA_CTL2 (0x3C) */ 114 0x69, /* REG_DTMF_PGA_CTL1 (0x3D) */ 115 0x00, /* REG_MISC_SET_1 (0x3E) */ 116 0x00, /* REG_PCMBTMUX (0x3F) */ 117 0x00, /* not used (0x40) */ 118 0x00, /* not used (0x41) */ 119 0x00, /* not used (0x42) */ 120 0x00, /* REG_RX_PATH_SEL (0x43) */ 121 0x32, /* REG_VDL_APGA_CTL (0x44) */ 122 0x00, /* REG_VIBRA_CTL (0x45) */ 123 0x00, /* REG_VIBRA_SET (0x46) */ 124 0x00, /* REG_VIBRA_PWM_SET (0x47) */ 125 0x00, /* REG_ANAMIC_GAIN (0x48) */ 126 0x00, /* REG_MISC_SET_2 (0x49) */ 127 0x00, /* REG_SW_SHADOW (0x4A) - Shadow, non HW register */ 128 }; 129 130 /* codec private data */ 131 struct twl4030_priv { 132 struct snd_soc_codec codec; 133 134 unsigned int codec_powered; 135 136 /* reference counts of AIF/APLL users */ 137 unsigned int apll_enabled; 138 139 struct snd_pcm_substream *master_substream; 140 struct snd_pcm_substream *slave_substream; 141 142 unsigned int configured; 143 unsigned int rate; 144 unsigned int sample_bits; 145 unsigned int channels; 146 147 unsigned int sysclk; 148 149 /* Output (with associated amp) states */ 150 u8 hsl_enabled, hsr_enabled; 151 u8 earpiece_enabled; 152 u8 predrivel_enabled, predriver_enabled; 153 u8 carkitl_enabled, carkitr_enabled; 154 155 /* Delay needed after enabling the digimic interface */ 156 unsigned int digimic_delay; 157 }; 158 159 /* 160 * read twl4030 register cache 161 */ 162 static inline unsigned int twl4030_read_reg_cache(struct snd_soc_codec *codec, 163 unsigned int reg) 164 { 165 u8 *cache = codec->reg_cache; 166 167 if (reg >= TWL4030_CACHEREGNUM) 168 return -EIO; 169 170 return cache[reg]; 171 } 172 173 /* 174 * write twl4030 register cache 175 */ 176 static inline void twl4030_write_reg_cache(struct snd_soc_codec *codec, 177 u8 reg, u8 value) 178 { 179 u8 *cache = codec->reg_cache; 180 181 if (reg >= TWL4030_CACHEREGNUM) 182 return; 183 cache[reg] = value; 184 } 185 186 /* 187 * write to the twl4030 register space 188 */ 189 static int twl4030_write(struct snd_soc_codec *codec, 190 unsigned int reg, unsigned int value) 191 { 192 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 193 int write_to_reg = 0; 194 195 twl4030_write_reg_cache(codec, reg, value); 196 if (likely(reg < TWL4030_REG_SW_SHADOW)) { 197 /* Decide if the given register can be written */ 198 switch (reg) { 199 case TWL4030_REG_EAR_CTL: 200 if (twl4030->earpiece_enabled) 201 write_to_reg = 1; 202 break; 203 case TWL4030_REG_PREDL_CTL: 204 if (twl4030->predrivel_enabled) 205 write_to_reg = 1; 206 break; 207 case TWL4030_REG_PREDR_CTL: 208 if (twl4030->predriver_enabled) 209 write_to_reg = 1; 210 break; 211 case TWL4030_REG_PRECKL_CTL: 212 if (twl4030->carkitl_enabled) 213 write_to_reg = 1; 214 break; 215 case TWL4030_REG_PRECKR_CTL: 216 if (twl4030->carkitr_enabled) 217 write_to_reg = 1; 218 break; 219 case TWL4030_REG_HS_GAIN_SET: 220 if (twl4030->hsl_enabled || twl4030->hsr_enabled) 221 write_to_reg = 1; 222 break; 223 default: 224 /* All other register can be written */ 225 write_to_reg = 1; 226 break; 227 } 228 if (write_to_reg) 229 return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, 230 value, reg); 231 } 232 return 0; 233 } 234 235 static inline void twl4030_wait_ms(int time) 236 { 237 if (time < 60) { 238 time *= 1000; 239 usleep_range(time, time + 500); 240 } else { 241 msleep(time); 242 } 243 } 244 245 static void twl4030_codec_enable(struct snd_soc_codec *codec, int enable) 246 { 247 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 248 int mode; 249 250 if (enable == twl4030->codec_powered) 251 return; 252 253 if (enable) 254 mode = twl4030_audio_enable_resource(TWL4030_AUDIO_RES_POWER); 255 else 256 mode = twl4030_audio_disable_resource(TWL4030_AUDIO_RES_POWER); 257 258 if (mode >= 0) { 259 twl4030_write_reg_cache(codec, TWL4030_REG_CODEC_MODE, mode); 260 twl4030->codec_powered = enable; 261 } 262 263 /* REVISIT: this delay is present in TI sample drivers */ 264 /* but there seems to be no TRM requirement for it */ 265 udelay(10); 266 } 267 268 static inline void twl4030_check_defaults(struct snd_soc_codec *codec) 269 { 270 int i, difference = 0; 271 u8 val; 272 273 dev_dbg(codec->dev, "Checking TWL audio default configuration\n"); 274 for (i = 1; i <= TWL4030_REG_MISC_SET_2; i++) { 275 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &val, i); 276 if (val != twl4030_reg[i]) { 277 difference++; 278 dev_dbg(codec->dev, 279 "Reg 0x%02x: chip: 0x%02x driver: 0x%02x\n", 280 i, val, twl4030_reg[i]); 281 } 282 } 283 dev_dbg(codec->dev, "Found %d non-matching registers. %s\n", 284 difference, difference ? "Not OK" : "OK"); 285 } 286 287 static inline void twl4030_reset_registers(struct snd_soc_codec *codec) 288 { 289 int i; 290 291 /* set all audio section registers to reasonable defaults */ 292 for (i = TWL4030_REG_OPTION; i <= TWL4030_REG_MISC_SET_2; i++) 293 if (i != TWL4030_REG_APLL_CTL) 294 twl4030_write(codec, i, twl4030_reg[i]); 295 296 } 297 298 static void twl4030_init_chip(struct snd_soc_codec *codec) 299 { 300 struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev); 301 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 302 u8 reg, byte; 303 int i = 0; 304 305 /* Check defaults, if instructed before anything else */ 306 if (pdata && pdata->check_defaults) 307 twl4030_check_defaults(codec); 308 309 /* Reset registers, if no setup data or if instructed to do so */ 310 if (!pdata || (pdata && pdata->reset_registers)) 311 twl4030_reset_registers(codec); 312 313 /* Refresh APLL_CTL register from HW */ 314 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, 315 TWL4030_REG_APLL_CTL); 316 twl4030_write_reg_cache(codec, TWL4030_REG_APLL_CTL, byte); 317 318 /* anti-pop when changing analog gain */ 319 reg = twl4030_read_reg_cache(codec, TWL4030_REG_MISC_SET_1); 320 twl4030_write(codec, TWL4030_REG_MISC_SET_1, 321 reg | TWL4030_SMOOTH_ANAVOL_EN); 322 323 twl4030_write(codec, TWL4030_REG_OPTION, 324 TWL4030_ATXL1_EN | TWL4030_ATXR1_EN | 325 TWL4030_ARXL2_EN | TWL4030_ARXR2_EN); 326 327 /* REG_ARXR2_APGA_CTL reset according to the TRM: 0dB, DA_EN */ 328 twl4030_write(codec, TWL4030_REG_ARXR2_APGA_CTL, 0x32); 329 330 /* Machine dependent setup */ 331 if (!pdata) 332 return; 333 334 twl4030->digimic_delay = pdata->digimic_delay; 335 336 reg = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET); 337 reg &= ~TWL4030_RAMP_DELAY; 338 reg |= (pdata->ramp_delay_value << 2); 339 twl4030_write_reg_cache(codec, TWL4030_REG_HS_POPN_SET, reg); 340 341 /* initiate offset cancellation */ 342 twl4030_codec_enable(codec, 1); 343 344 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); 345 reg &= ~TWL4030_OFFSET_CNCL_SEL; 346 reg |= pdata->offset_cncl_path; 347 twl4030_write(codec, TWL4030_REG_ANAMICL, 348 reg | TWL4030_CNCL_OFFSET_START); 349 350 /* 351 * Wait for offset cancellation to complete. 352 * Since this takes a while, do not slam the i2c. 353 * Start polling the status after ~20ms. 354 */ 355 msleep(20); 356 do { 357 usleep_range(1000, 2000); 358 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, 359 TWL4030_REG_ANAMICL); 360 } while ((i++ < 100) && 361 ((byte & TWL4030_CNCL_OFFSET_START) == 362 TWL4030_CNCL_OFFSET_START)); 363 364 /* Make sure that the reg_cache has the same value as the HW */ 365 twl4030_write_reg_cache(codec, TWL4030_REG_ANAMICL, byte); 366 367 twl4030_codec_enable(codec, 0); 368 } 369 370 static void twl4030_apll_enable(struct snd_soc_codec *codec, int enable) 371 { 372 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 373 int status = -1; 374 375 if (enable) { 376 twl4030->apll_enabled++; 377 if (twl4030->apll_enabled == 1) 378 status = twl4030_audio_enable_resource( 379 TWL4030_AUDIO_RES_APLL); 380 } else { 381 twl4030->apll_enabled--; 382 if (!twl4030->apll_enabled) 383 status = twl4030_audio_disable_resource( 384 TWL4030_AUDIO_RES_APLL); 385 } 386 387 if (status >= 0) 388 twl4030_write_reg_cache(codec, TWL4030_REG_APLL_CTL, status); 389 } 390 391 /* Earpiece */ 392 static const struct snd_kcontrol_new twl4030_dapm_earpiece_controls[] = { 393 SOC_DAPM_SINGLE("Voice", TWL4030_REG_EAR_CTL, 0, 1, 0), 394 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_EAR_CTL, 1, 1, 0), 395 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_EAR_CTL, 2, 1, 0), 396 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_EAR_CTL, 3, 1, 0), 397 }; 398 399 /* PreDrive Left */ 400 static const struct snd_kcontrol_new twl4030_dapm_predrivel_controls[] = { 401 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDL_CTL, 0, 1, 0), 402 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PREDL_CTL, 1, 1, 0), 403 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDL_CTL, 2, 1, 0), 404 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDL_CTL, 3, 1, 0), 405 }; 406 407 /* PreDrive Right */ 408 static const struct snd_kcontrol_new twl4030_dapm_predriver_controls[] = { 409 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDR_CTL, 0, 1, 0), 410 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PREDR_CTL, 1, 1, 0), 411 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDR_CTL, 2, 1, 0), 412 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDR_CTL, 3, 1, 0), 413 }; 414 415 /* Headset Left */ 416 static const struct snd_kcontrol_new twl4030_dapm_hsol_controls[] = { 417 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 0, 1, 0), 418 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_HS_SEL, 1, 1, 0), 419 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_HS_SEL, 2, 1, 0), 420 }; 421 422 /* Headset Right */ 423 static const struct snd_kcontrol_new twl4030_dapm_hsor_controls[] = { 424 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 3, 1, 0), 425 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_HS_SEL, 4, 1, 0), 426 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_HS_SEL, 5, 1, 0), 427 }; 428 429 /* Carkit Left */ 430 static const struct snd_kcontrol_new twl4030_dapm_carkitl_controls[] = { 431 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKL_CTL, 0, 1, 0), 432 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PRECKL_CTL, 1, 1, 0), 433 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PRECKL_CTL, 2, 1, 0), 434 }; 435 436 /* Carkit Right */ 437 static const struct snd_kcontrol_new twl4030_dapm_carkitr_controls[] = { 438 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKR_CTL, 0, 1, 0), 439 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PRECKR_CTL, 1, 1, 0), 440 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PRECKR_CTL, 2, 1, 0), 441 }; 442 443 /* Handsfree Left */ 444 static const char *twl4030_handsfreel_texts[] = 445 {"Voice", "AudioL1", "AudioL2", "AudioR2"}; 446 447 static const struct soc_enum twl4030_handsfreel_enum = 448 SOC_ENUM_SINGLE(TWL4030_REG_HFL_CTL, 0, 449 ARRAY_SIZE(twl4030_handsfreel_texts), 450 twl4030_handsfreel_texts); 451 452 static const struct snd_kcontrol_new twl4030_dapm_handsfreel_control = 453 SOC_DAPM_ENUM("Route", twl4030_handsfreel_enum); 454 455 /* Handsfree Left virtual mute */ 456 static const struct snd_kcontrol_new twl4030_dapm_handsfreelmute_control = 457 SOC_DAPM_SINGLE("Switch", TWL4030_REG_SW_SHADOW, 0, 1, 0); 458 459 /* Handsfree Right */ 460 static const char *twl4030_handsfreer_texts[] = 461 {"Voice", "AudioR1", "AudioR2", "AudioL2"}; 462 463 static const struct soc_enum twl4030_handsfreer_enum = 464 SOC_ENUM_SINGLE(TWL4030_REG_HFR_CTL, 0, 465 ARRAY_SIZE(twl4030_handsfreer_texts), 466 twl4030_handsfreer_texts); 467 468 static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control = 469 SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum); 470 471 /* Handsfree Right virtual mute */ 472 static const struct snd_kcontrol_new twl4030_dapm_handsfreermute_control = 473 SOC_DAPM_SINGLE("Switch", TWL4030_REG_SW_SHADOW, 1, 1, 0); 474 475 /* Vibra */ 476 /* Vibra audio path selection */ 477 static const char *twl4030_vibra_texts[] = 478 {"AudioL1", "AudioR1", "AudioL2", "AudioR2"}; 479 480 static const struct soc_enum twl4030_vibra_enum = 481 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 2, 482 ARRAY_SIZE(twl4030_vibra_texts), 483 twl4030_vibra_texts); 484 485 static const struct snd_kcontrol_new twl4030_dapm_vibra_control = 486 SOC_DAPM_ENUM("Route", twl4030_vibra_enum); 487 488 /* Vibra path selection: local vibrator (PWM) or audio driven */ 489 static const char *twl4030_vibrapath_texts[] = 490 {"Local vibrator", "Audio"}; 491 492 static const struct soc_enum twl4030_vibrapath_enum = 493 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 4, 494 ARRAY_SIZE(twl4030_vibrapath_texts), 495 twl4030_vibrapath_texts); 496 497 static const struct snd_kcontrol_new twl4030_dapm_vibrapath_control = 498 SOC_DAPM_ENUM("Route", twl4030_vibrapath_enum); 499 500 /* Left analog microphone selection */ 501 static const struct snd_kcontrol_new twl4030_dapm_analoglmic_controls[] = { 502 SOC_DAPM_SINGLE("Main Mic Capture Switch", 503 TWL4030_REG_ANAMICL, 0, 1, 0), 504 SOC_DAPM_SINGLE("Headset Mic Capture Switch", 505 TWL4030_REG_ANAMICL, 1, 1, 0), 506 SOC_DAPM_SINGLE("AUXL Capture Switch", 507 TWL4030_REG_ANAMICL, 2, 1, 0), 508 SOC_DAPM_SINGLE("Carkit Mic Capture Switch", 509 TWL4030_REG_ANAMICL, 3, 1, 0), 510 }; 511 512 /* Right analog microphone selection */ 513 static const struct snd_kcontrol_new twl4030_dapm_analogrmic_controls[] = { 514 SOC_DAPM_SINGLE("Sub Mic Capture Switch", TWL4030_REG_ANAMICR, 0, 1, 0), 515 SOC_DAPM_SINGLE("AUXR Capture Switch", TWL4030_REG_ANAMICR, 2, 1, 0), 516 }; 517 518 /* TX1 L/R Analog/Digital microphone selection */ 519 static const char *twl4030_micpathtx1_texts[] = 520 {"Analog", "Digimic0"}; 521 522 static const struct soc_enum twl4030_micpathtx1_enum = 523 SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 0, 524 ARRAY_SIZE(twl4030_micpathtx1_texts), 525 twl4030_micpathtx1_texts); 526 527 static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control = 528 SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum); 529 530 /* TX2 L/R Analog/Digital microphone selection */ 531 static const char *twl4030_micpathtx2_texts[] = 532 {"Analog", "Digimic1"}; 533 534 static const struct soc_enum twl4030_micpathtx2_enum = 535 SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 2, 536 ARRAY_SIZE(twl4030_micpathtx2_texts), 537 twl4030_micpathtx2_texts); 538 539 static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control = 540 SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum); 541 542 /* Analog bypass for AudioR1 */ 543 static const struct snd_kcontrol_new twl4030_dapm_abypassr1_control = 544 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR1_APGA_CTL, 2, 1, 0); 545 546 /* Analog bypass for AudioL1 */ 547 static const struct snd_kcontrol_new twl4030_dapm_abypassl1_control = 548 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL1_APGA_CTL, 2, 1, 0); 549 550 /* Analog bypass for AudioR2 */ 551 static const struct snd_kcontrol_new twl4030_dapm_abypassr2_control = 552 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR2_APGA_CTL, 2, 1, 0); 553 554 /* Analog bypass for AudioL2 */ 555 static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control = 556 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL2_APGA_CTL, 2, 1, 0); 557 558 /* Analog bypass for Voice */ 559 static const struct snd_kcontrol_new twl4030_dapm_abypassv_control = 560 SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL, 2, 1, 0); 561 562 /* Digital bypass gain, mute instead of -30dB */ 563 static const unsigned int twl4030_dapm_dbypass_tlv[] = { 564 TLV_DB_RANGE_HEAD(3), 565 0, 1, TLV_DB_SCALE_ITEM(-3000, 600, 1), 566 2, 3, TLV_DB_SCALE_ITEM(-2400, 0, 0), 567 4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0), 568 }; 569 570 /* Digital bypass left (TX1L -> RX2L) */ 571 static const struct snd_kcontrol_new twl4030_dapm_dbypassl_control = 572 SOC_DAPM_SINGLE_TLV("Volume", 573 TWL4030_REG_ATX2ARXPGA, 3, 7, 0, 574 twl4030_dapm_dbypass_tlv); 575 576 /* Digital bypass right (TX1R -> RX2R) */ 577 static const struct snd_kcontrol_new twl4030_dapm_dbypassr_control = 578 SOC_DAPM_SINGLE_TLV("Volume", 579 TWL4030_REG_ATX2ARXPGA, 0, 7, 0, 580 twl4030_dapm_dbypass_tlv); 581 582 /* 583 * Voice Sidetone GAIN volume control: 584 * from -51 to -10 dB in 1 dB steps (mute instead of -51 dB) 585 */ 586 static DECLARE_TLV_DB_SCALE(twl4030_dapm_dbypassv_tlv, -5100, 100, 1); 587 588 /* Digital bypass voice: sidetone (VUL -> VDL)*/ 589 static const struct snd_kcontrol_new twl4030_dapm_dbypassv_control = 590 SOC_DAPM_SINGLE_TLV("Volume", 591 TWL4030_REG_VSTPGA, 0, 0x29, 0, 592 twl4030_dapm_dbypassv_tlv); 593 594 /* 595 * Output PGA builder: 596 * Handle the muting and unmuting of the given output (turning off the 597 * amplifier associated with the output pin) 598 * On mute bypass the reg_cache and write 0 to the register 599 * On unmute: restore the register content from the reg_cache 600 * Outputs handled in this way: Earpiece, PreDrivL/R, CarkitL/R 601 */ 602 #define TWL4030_OUTPUT_PGA(pin_name, reg, mask) \ 603 static int pin_name##pga_event(struct snd_soc_dapm_widget *w, \ 604 struct snd_kcontrol *kcontrol, int event) \ 605 { \ 606 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); \ 607 \ 608 switch (event) { \ 609 case SND_SOC_DAPM_POST_PMU: \ 610 twl4030->pin_name##_enabled = 1; \ 611 twl4030_write(w->codec, reg, \ 612 twl4030_read_reg_cache(w->codec, reg)); \ 613 break; \ 614 case SND_SOC_DAPM_POST_PMD: \ 615 twl4030->pin_name##_enabled = 0; \ 616 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, \ 617 0, reg); \ 618 break; \ 619 } \ 620 return 0; \ 621 } 622 623 TWL4030_OUTPUT_PGA(earpiece, TWL4030_REG_EAR_CTL, TWL4030_EAR_GAIN); 624 TWL4030_OUTPUT_PGA(predrivel, TWL4030_REG_PREDL_CTL, TWL4030_PREDL_GAIN); 625 TWL4030_OUTPUT_PGA(predriver, TWL4030_REG_PREDR_CTL, TWL4030_PREDR_GAIN); 626 TWL4030_OUTPUT_PGA(carkitl, TWL4030_REG_PRECKL_CTL, TWL4030_PRECKL_GAIN); 627 TWL4030_OUTPUT_PGA(carkitr, TWL4030_REG_PRECKR_CTL, TWL4030_PRECKR_GAIN); 628 629 static void handsfree_ramp(struct snd_soc_codec *codec, int reg, int ramp) 630 { 631 unsigned char hs_ctl; 632 633 hs_ctl = twl4030_read_reg_cache(codec, reg); 634 635 if (ramp) { 636 /* HF ramp-up */ 637 hs_ctl |= TWL4030_HF_CTL_REF_EN; 638 twl4030_write(codec, reg, hs_ctl); 639 udelay(10); 640 hs_ctl |= TWL4030_HF_CTL_RAMP_EN; 641 twl4030_write(codec, reg, hs_ctl); 642 udelay(40); 643 hs_ctl |= TWL4030_HF_CTL_LOOP_EN; 644 hs_ctl |= TWL4030_HF_CTL_HB_EN; 645 twl4030_write(codec, reg, hs_ctl); 646 } else { 647 /* HF ramp-down */ 648 hs_ctl &= ~TWL4030_HF_CTL_LOOP_EN; 649 hs_ctl &= ~TWL4030_HF_CTL_HB_EN; 650 twl4030_write(codec, reg, hs_ctl); 651 hs_ctl &= ~TWL4030_HF_CTL_RAMP_EN; 652 twl4030_write(codec, reg, hs_ctl); 653 udelay(40); 654 hs_ctl &= ~TWL4030_HF_CTL_REF_EN; 655 twl4030_write(codec, reg, hs_ctl); 656 } 657 } 658 659 static int handsfreelpga_event(struct snd_soc_dapm_widget *w, 660 struct snd_kcontrol *kcontrol, int event) 661 { 662 switch (event) { 663 case SND_SOC_DAPM_POST_PMU: 664 handsfree_ramp(w->codec, TWL4030_REG_HFL_CTL, 1); 665 break; 666 case SND_SOC_DAPM_POST_PMD: 667 handsfree_ramp(w->codec, TWL4030_REG_HFL_CTL, 0); 668 break; 669 } 670 return 0; 671 } 672 673 static int handsfreerpga_event(struct snd_soc_dapm_widget *w, 674 struct snd_kcontrol *kcontrol, int event) 675 { 676 switch (event) { 677 case SND_SOC_DAPM_POST_PMU: 678 handsfree_ramp(w->codec, TWL4030_REG_HFR_CTL, 1); 679 break; 680 case SND_SOC_DAPM_POST_PMD: 681 handsfree_ramp(w->codec, TWL4030_REG_HFR_CTL, 0); 682 break; 683 } 684 return 0; 685 } 686 687 static int vibramux_event(struct snd_soc_dapm_widget *w, 688 struct snd_kcontrol *kcontrol, int event) 689 { 690 twl4030_write(w->codec, TWL4030_REG_VIBRA_SET, 0xff); 691 return 0; 692 } 693 694 static int apll_event(struct snd_soc_dapm_widget *w, 695 struct snd_kcontrol *kcontrol, int event) 696 { 697 switch (event) { 698 case SND_SOC_DAPM_PRE_PMU: 699 twl4030_apll_enable(w->codec, 1); 700 break; 701 case SND_SOC_DAPM_POST_PMD: 702 twl4030_apll_enable(w->codec, 0); 703 break; 704 } 705 return 0; 706 } 707 708 static int aif_event(struct snd_soc_dapm_widget *w, 709 struct snd_kcontrol *kcontrol, int event) 710 { 711 u8 audio_if; 712 713 audio_if = twl4030_read_reg_cache(w->codec, TWL4030_REG_AUDIO_IF); 714 switch (event) { 715 case SND_SOC_DAPM_PRE_PMU: 716 /* Enable AIF */ 717 /* enable the PLL before we use it to clock the DAI */ 718 twl4030_apll_enable(w->codec, 1); 719 720 twl4030_write(w->codec, TWL4030_REG_AUDIO_IF, 721 audio_if | TWL4030_AIF_EN); 722 break; 723 case SND_SOC_DAPM_POST_PMD: 724 /* disable the DAI before we stop it's source PLL */ 725 twl4030_write(w->codec, TWL4030_REG_AUDIO_IF, 726 audio_if & ~TWL4030_AIF_EN); 727 twl4030_apll_enable(w->codec, 0); 728 break; 729 } 730 return 0; 731 } 732 733 static void headset_ramp(struct snd_soc_codec *codec, int ramp) 734 { 735 struct twl4030_codec_data *pdata = codec->dev->platform_data; 736 unsigned char hs_gain, hs_pop; 737 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 738 /* Base values for ramp delay calculation: 2^19 - 2^26 */ 739 unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304, 740 8388608, 16777216, 33554432, 67108864}; 741 unsigned int delay; 742 743 hs_gain = twl4030_read_reg_cache(codec, TWL4030_REG_HS_GAIN_SET); 744 hs_pop = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET); 745 delay = (ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] / 746 twl4030->sysclk) + 1; 747 748 /* Enable external mute control, this dramatically reduces 749 * the pop-noise */ 750 if (pdata && pdata->hs_extmute) { 751 if (pdata->set_hs_extmute) { 752 pdata->set_hs_extmute(1); 753 } else { 754 hs_pop |= TWL4030_EXTMUTE; 755 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 756 } 757 } 758 759 if (ramp) { 760 /* Headset ramp-up according to the TRM */ 761 hs_pop |= TWL4030_VMID_EN; 762 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 763 /* Actually write to the register */ 764 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, 765 hs_gain, 766 TWL4030_REG_HS_GAIN_SET); 767 hs_pop |= TWL4030_RAMP_EN; 768 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 769 /* Wait ramp delay time + 1, so the VMID can settle */ 770 twl4030_wait_ms(delay); 771 } else { 772 /* Headset ramp-down _not_ according to 773 * the TRM, but in a way that it is working */ 774 hs_pop &= ~TWL4030_RAMP_EN; 775 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 776 /* Wait ramp delay time + 1, so the VMID can settle */ 777 twl4030_wait_ms(delay); 778 /* Bypass the reg_cache to mute the headset */ 779 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, 780 hs_gain & (~0x0f), 781 TWL4030_REG_HS_GAIN_SET); 782 783 hs_pop &= ~TWL4030_VMID_EN; 784 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 785 } 786 787 /* Disable external mute */ 788 if (pdata && pdata->hs_extmute) { 789 if (pdata->set_hs_extmute) { 790 pdata->set_hs_extmute(0); 791 } else { 792 hs_pop &= ~TWL4030_EXTMUTE; 793 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 794 } 795 } 796 } 797 798 static int headsetlpga_event(struct snd_soc_dapm_widget *w, 799 struct snd_kcontrol *kcontrol, int event) 800 { 801 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); 802 803 switch (event) { 804 case SND_SOC_DAPM_POST_PMU: 805 /* Do the ramp-up only once */ 806 if (!twl4030->hsr_enabled) 807 headset_ramp(w->codec, 1); 808 809 twl4030->hsl_enabled = 1; 810 break; 811 case SND_SOC_DAPM_POST_PMD: 812 /* Do the ramp-down only if both headsetL/R is disabled */ 813 if (!twl4030->hsr_enabled) 814 headset_ramp(w->codec, 0); 815 816 twl4030->hsl_enabled = 0; 817 break; 818 } 819 return 0; 820 } 821 822 static int headsetrpga_event(struct snd_soc_dapm_widget *w, 823 struct snd_kcontrol *kcontrol, int event) 824 { 825 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); 826 827 switch (event) { 828 case SND_SOC_DAPM_POST_PMU: 829 /* Do the ramp-up only once */ 830 if (!twl4030->hsl_enabled) 831 headset_ramp(w->codec, 1); 832 833 twl4030->hsr_enabled = 1; 834 break; 835 case SND_SOC_DAPM_POST_PMD: 836 /* Do the ramp-down only if both headsetL/R is disabled */ 837 if (!twl4030->hsl_enabled) 838 headset_ramp(w->codec, 0); 839 840 twl4030->hsr_enabled = 0; 841 break; 842 } 843 return 0; 844 } 845 846 static int digimic_event(struct snd_soc_dapm_widget *w, 847 struct snd_kcontrol *kcontrol, int event) 848 { 849 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); 850 851 if (twl4030->digimic_delay) 852 twl4030_wait_ms(twl4030->digimic_delay); 853 return 0; 854 } 855 856 /* 857 * Some of the gain controls in TWL (mostly those which are associated with 858 * the outputs) are implemented in an interesting way: 859 * 0x0 : Power down (mute) 860 * 0x1 : 6dB 861 * 0x2 : 0 dB 862 * 0x3 : -6 dB 863 * Inverting not going to help with these. 864 * Custom volsw and volsw_2r get/put functions to handle these gain bits. 865 */ 866 static int snd_soc_get_volsw_twl4030(struct snd_kcontrol *kcontrol, 867 struct snd_ctl_elem_value *ucontrol) 868 { 869 struct soc_mixer_control *mc = 870 (struct soc_mixer_control *)kcontrol->private_value; 871 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 872 unsigned int reg = mc->reg; 873 unsigned int shift = mc->shift; 874 unsigned int rshift = mc->rshift; 875 int max = mc->max; 876 int mask = (1 << fls(max)) - 1; 877 878 ucontrol->value.integer.value[0] = 879 (snd_soc_read(codec, reg) >> shift) & mask; 880 if (ucontrol->value.integer.value[0]) 881 ucontrol->value.integer.value[0] = 882 max + 1 - ucontrol->value.integer.value[0]; 883 884 if (shift != rshift) { 885 ucontrol->value.integer.value[1] = 886 (snd_soc_read(codec, reg) >> rshift) & mask; 887 if (ucontrol->value.integer.value[1]) 888 ucontrol->value.integer.value[1] = 889 max + 1 - ucontrol->value.integer.value[1]; 890 } 891 892 return 0; 893 } 894 895 static int snd_soc_put_volsw_twl4030(struct snd_kcontrol *kcontrol, 896 struct snd_ctl_elem_value *ucontrol) 897 { 898 struct soc_mixer_control *mc = 899 (struct soc_mixer_control *)kcontrol->private_value; 900 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 901 unsigned int reg = mc->reg; 902 unsigned int shift = mc->shift; 903 unsigned int rshift = mc->rshift; 904 int max = mc->max; 905 int mask = (1 << fls(max)) - 1; 906 unsigned short val, val2, val_mask; 907 908 val = (ucontrol->value.integer.value[0] & mask); 909 910 val_mask = mask << shift; 911 if (val) 912 val = max + 1 - val; 913 val = val << shift; 914 if (shift != rshift) { 915 val2 = (ucontrol->value.integer.value[1] & mask); 916 val_mask |= mask << rshift; 917 if (val2) 918 val2 = max + 1 - val2; 919 val |= val2 << rshift; 920 } 921 return snd_soc_update_bits(codec, reg, val_mask, val); 922 } 923 924 static int snd_soc_get_volsw_r2_twl4030(struct snd_kcontrol *kcontrol, 925 struct snd_ctl_elem_value *ucontrol) 926 { 927 struct soc_mixer_control *mc = 928 (struct soc_mixer_control *)kcontrol->private_value; 929 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 930 unsigned int reg = mc->reg; 931 unsigned int reg2 = mc->rreg; 932 unsigned int shift = mc->shift; 933 int max = mc->max; 934 int mask = (1<<fls(max))-1; 935 936 ucontrol->value.integer.value[0] = 937 (snd_soc_read(codec, reg) >> shift) & mask; 938 ucontrol->value.integer.value[1] = 939 (snd_soc_read(codec, reg2) >> shift) & mask; 940 941 if (ucontrol->value.integer.value[0]) 942 ucontrol->value.integer.value[0] = 943 max + 1 - ucontrol->value.integer.value[0]; 944 if (ucontrol->value.integer.value[1]) 945 ucontrol->value.integer.value[1] = 946 max + 1 - ucontrol->value.integer.value[1]; 947 948 return 0; 949 } 950 951 static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol, 952 struct snd_ctl_elem_value *ucontrol) 953 { 954 struct soc_mixer_control *mc = 955 (struct soc_mixer_control *)kcontrol->private_value; 956 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 957 unsigned int reg = mc->reg; 958 unsigned int reg2 = mc->rreg; 959 unsigned int shift = mc->shift; 960 int max = mc->max; 961 int mask = (1 << fls(max)) - 1; 962 int err; 963 unsigned short val, val2, val_mask; 964 965 val_mask = mask << shift; 966 val = (ucontrol->value.integer.value[0] & mask); 967 val2 = (ucontrol->value.integer.value[1] & mask); 968 969 if (val) 970 val = max + 1 - val; 971 if (val2) 972 val2 = max + 1 - val2; 973 974 val = val << shift; 975 val2 = val2 << shift; 976 977 err = snd_soc_update_bits(codec, reg, val_mask, val); 978 if (err < 0) 979 return err; 980 981 err = snd_soc_update_bits(codec, reg2, val_mask, val2); 982 return err; 983 } 984 985 /* Codec operation modes */ 986 static const char *twl4030_op_modes_texts[] = { 987 "Option 2 (voice/audio)", "Option 1 (audio)" 988 }; 989 990 static const struct soc_enum twl4030_op_modes_enum = 991 SOC_ENUM_SINGLE(TWL4030_REG_CODEC_MODE, 0, 992 ARRAY_SIZE(twl4030_op_modes_texts), 993 twl4030_op_modes_texts); 994 995 static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol, 996 struct snd_ctl_elem_value *ucontrol) 997 { 998 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 999 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1000 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 1001 unsigned short val; 1002 unsigned short mask, bitmask; 1003 1004 if (twl4030->configured) { 1005 dev_err(codec->dev, 1006 "operation mode cannot be changed on-the-fly\n"); 1007 return -EBUSY; 1008 } 1009 1010 for (bitmask = 1; bitmask < e->max; bitmask <<= 1) 1011 ; 1012 if (ucontrol->value.enumerated.item[0] > e->max - 1) 1013 return -EINVAL; 1014 1015 val = ucontrol->value.enumerated.item[0] << e->shift_l; 1016 mask = (bitmask - 1) << e->shift_l; 1017 if (e->shift_l != e->shift_r) { 1018 if (ucontrol->value.enumerated.item[1] > e->max - 1) 1019 return -EINVAL; 1020 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 1021 mask |= (bitmask - 1) << e->shift_r; 1022 } 1023 1024 return snd_soc_update_bits(codec, e->reg, mask, val); 1025 } 1026 1027 /* 1028 * FGAIN volume control: 1029 * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB) 1030 */ 1031 static DECLARE_TLV_DB_SCALE(digital_fine_tlv, -6300, 100, 1); 1032 1033 /* 1034 * CGAIN volume control: 1035 * 0 dB to 12 dB in 6 dB steps 1036 * value 2 and 3 means 12 dB 1037 */ 1038 static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0); 1039 1040 /* 1041 * Voice Downlink GAIN volume control: 1042 * from -37 to 12 dB in 1 dB steps (mute instead of -37 dB) 1043 */ 1044 static DECLARE_TLV_DB_SCALE(digital_voice_downlink_tlv, -3700, 100, 1); 1045 1046 /* 1047 * Analog playback gain 1048 * -24 dB to 12 dB in 2 dB steps 1049 */ 1050 static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0); 1051 1052 /* 1053 * Gain controls tied to outputs 1054 * -6 dB to 6 dB in 6 dB steps (mute instead of -12) 1055 */ 1056 static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1); 1057 1058 /* 1059 * Gain control for earpiece amplifier 1060 * 0 dB to 12 dB in 6 dB steps (mute instead of -6) 1061 */ 1062 static DECLARE_TLV_DB_SCALE(output_ear_tvl, -600, 600, 1); 1063 1064 /* 1065 * Capture gain after the ADCs 1066 * from 0 dB to 31 dB in 1 dB steps 1067 */ 1068 static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0); 1069 1070 /* 1071 * Gain control for input amplifiers 1072 * 0 dB to 30 dB in 6 dB steps 1073 */ 1074 static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0); 1075 1076 /* AVADC clock priority */ 1077 static const char *twl4030_avadc_clk_priority_texts[] = { 1078 "Voice high priority", "HiFi high priority" 1079 }; 1080 1081 static const struct soc_enum twl4030_avadc_clk_priority_enum = 1082 SOC_ENUM_SINGLE(TWL4030_REG_AVADC_CTL, 2, 1083 ARRAY_SIZE(twl4030_avadc_clk_priority_texts), 1084 twl4030_avadc_clk_priority_texts); 1085 1086 static const char *twl4030_rampdelay_texts[] = { 1087 "27/20/14 ms", "55/40/27 ms", "109/81/55 ms", "218/161/109 ms", 1088 "437/323/218 ms", "874/645/437 ms", "1748/1291/874 ms", 1089 "3495/2581/1748 ms" 1090 }; 1091 1092 static const struct soc_enum twl4030_rampdelay_enum = 1093 SOC_ENUM_SINGLE(TWL4030_REG_HS_POPN_SET, 2, 1094 ARRAY_SIZE(twl4030_rampdelay_texts), 1095 twl4030_rampdelay_texts); 1096 1097 /* Vibra H-bridge direction mode */ 1098 static const char *twl4030_vibradirmode_texts[] = { 1099 "Vibra H-bridge direction", "Audio data MSB", 1100 }; 1101 1102 static const struct soc_enum twl4030_vibradirmode_enum = 1103 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 5, 1104 ARRAY_SIZE(twl4030_vibradirmode_texts), 1105 twl4030_vibradirmode_texts); 1106 1107 /* Vibra H-bridge direction */ 1108 static const char *twl4030_vibradir_texts[] = { 1109 "Positive polarity", "Negative polarity", 1110 }; 1111 1112 static const struct soc_enum twl4030_vibradir_enum = 1113 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 1, 1114 ARRAY_SIZE(twl4030_vibradir_texts), 1115 twl4030_vibradir_texts); 1116 1117 /* Digimic Left and right swapping */ 1118 static const char *twl4030_digimicswap_texts[] = { 1119 "Not swapped", "Swapped", 1120 }; 1121 1122 static const struct soc_enum twl4030_digimicswap_enum = 1123 SOC_ENUM_SINGLE(TWL4030_REG_MISC_SET_1, 0, 1124 ARRAY_SIZE(twl4030_digimicswap_texts), 1125 twl4030_digimicswap_texts); 1126 1127 static const struct snd_kcontrol_new twl4030_snd_controls[] = { 1128 /* Codec operation mode control */ 1129 SOC_ENUM_EXT("Codec Operation Mode", twl4030_op_modes_enum, 1130 snd_soc_get_enum_double, 1131 snd_soc_put_twl4030_opmode_enum_double), 1132 1133 /* Common playback gain controls */ 1134 SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume", 1135 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA, 1136 0, 0x3f, 0, digital_fine_tlv), 1137 SOC_DOUBLE_R_TLV("DAC2 Digital Fine Playback Volume", 1138 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA, 1139 0, 0x3f, 0, digital_fine_tlv), 1140 1141 SOC_DOUBLE_R_TLV("DAC1 Digital Coarse Playback Volume", 1142 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA, 1143 6, 0x2, 0, digital_coarse_tlv), 1144 SOC_DOUBLE_R_TLV("DAC2 Digital Coarse Playback Volume", 1145 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA, 1146 6, 0x2, 0, digital_coarse_tlv), 1147 1148 SOC_DOUBLE_R_TLV("DAC1 Analog Playback Volume", 1149 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL, 1150 3, 0x12, 1, analog_tlv), 1151 SOC_DOUBLE_R_TLV("DAC2 Analog Playback Volume", 1152 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL, 1153 3, 0x12, 1, analog_tlv), 1154 SOC_DOUBLE_R("DAC1 Analog Playback Switch", 1155 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL, 1156 1, 1, 0), 1157 SOC_DOUBLE_R("DAC2 Analog Playback Switch", 1158 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL, 1159 1, 1, 0), 1160 1161 /* Common voice downlink gain controls */ 1162 SOC_SINGLE_TLV("DAC Voice Digital Downlink Volume", 1163 TWL4030_REG_VRXPGA, 0, 0x31, 0, digital_voice_downlink_tlv), 1164 1165 SOC_SINGLE_TLV("DAC Voice Analog Downlink Volume", 1166 TWL4030_REG_VDL_APGA_CTL, 3, 0x12, 1, analog_tlv), 1167 1168 SOC_SINGLE("DAC Voice Analog Downlink Switch", 1169 TWL4030_REG_VDL_APGA_CTL, 1, 1, 0), 1170 1171 /* Separate output gain controls */ 1172 SOC_DOUBLE_R_EXT_TLV("PreDriv Playback Volume", 1173 TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL, 1174 4, 3, 0, snd_soc_get_volsw_r2_twl4030, 1175 snd_soc_put_volsw_r2_twl4030, output_tvl), 1176 1177 SOC_DOUBLE_EXT_TLV("Headset Playback Volume", 1178 TWL4030_REG_HS_GAIN_SET, 0, 2, 3, 0, snd_soc_get_volsw_twl4030, 1179 snd_soc_put_volsw_twl4030, output_tvl), 1180 1181 SOC_DOUBLE_R_EXT_TLV("Carkit Playback Volume", 1182 TWL4030_REG_PRECKL_CTL, TWL4030_REG_PRECKR_CTL, 1183 4, 3, 0, snd_soc_get_volsw_r2_twl4030, 1184 snd_soc_put_volsw_r2_twl4030, output_tvl), 1185 1186 SOC_SINGLE_EXT_TLV("Earpiece Playback Volume", 1187 TWL4030_REG_EAR_CTL, 4, 3, 0, snd_soc_get_volsw_twl4030, 1188 snd_soc_put_volsw_twl4030, output_ear_tvl), 1189 1190 /* Common capture gain controls */ 1191 SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume", 1192 TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA, 1193 0, 0x1f, 0, digital_capture_tlv), 1194 SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume", 1195 TWL4030_REG_AVTXL2PGA, TWL4030_REG_AVTXR2PGA, 1196 0, 0x1f, 0, digital_capture_tlv), 1197 1198 SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN, 1199 0, 3, 5, 0, input_gain_tlv), 1200 1201 SOC_ENUM("AVADC Clock Priority", twl4030_avadc_clk_priority_enum), 1202 1203 SOC_ENUM("HS ramp delay", twl4030_rampdelay_enum), 1204 1205 SOC_ENUM("Vibra H-bridge mode", twl4030_vibradirmode_enum), 1206 SOC_ENUM("Vibra H-bridge direction", twl4030_vibradir_enum), 1207 1208 SOC_ENUM("Digimic LR Swap", twl4030_digimicswap_enum), 1209 }; 1210 1211 static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { 1212 /* Left channel inputs */ 1213 SND_SOC_DAPM_INPUT("MAINMIC"), 1214 SND_SOC_DAPM_INPUT("HSMIC"), 1215 SND_SOC_DAPM_INPUT("AUXL"), 1216 SND_SOC_DAPM_INPUT("CARKITMIC"), 1217 /* Right channel inputs */ 1218 SND_SOC_DAPM_INPUT("SUBMIC"), 1219 SND_SOC_DAPM_INPUT("AUXR"), 1220 /* Digital microphones (Stereo) */ 1221 SND_SOC_DAPM_INPUT("DIGIMIC0"), 1222 SND_SOC_DAPM_INPUT("DIGIMIC1"), 1223 1224 /* Outputs */ 1225 SND_SOC_DAPM_OUTPUT("EARPIECE"), 1226 SND_SOC_DAPM_OUTPUT("PREDRIVEL"), 1227 SND_SOC_DAPM_OUTPUT("PREDRIVER"), 1228 SND_SOC_DAPM_OUTPUT("HSOL"), 1229 SND_SOC_DAPM_OUTPUT("HSOR"), 1230 SND_SOC_DAPM_OUTPUT("CARKITL"), 1231 SND_SOC_DAPM_OUTPUT("CARKITR"), 1232 SND_SOC_DAPM_OUTPUT("HFL"), 1233 SND_SOC_DAPM_OUTPUT("HFR"), 1234 SND_SOC_DAPM_OUTPUT("VIBRA"), 1235 1236 /* AIF and APLL clocks for running DAIs (including loopback) */ 1237 SND_SOC_DAPM_OUTPUT("Virtual HiFi OUT"), 1238 SND_SOC_DAPM_INPUT("Virtual HiFi IN"), 1239 SND_SOC_DAPM_OUTPUT("Virtual Voice OUT"), 1240 1241 /* DACs */ 1242 SND_SOC_DAPM_DAC("DAC Right1", "Right Front HiFi Playback", 1243 SND_SOC_NOPM, 0, 0), 1244 SND_SOC_DAPM_DAC("DAC Left1", "Left Front HiFi Playback", 1245 SND_SOC_NOPM, 0, 0), 1246 SND_SOC_DAPM_DAC("DAC Right2", "Right Rear HiFi Playback", 1247 SND_SOC_NOPM, 0, 0), 1248 SND_SOC_DAPM_DAC("DAC Left2", "Left Rear HiFi Playback", 1249 SND_SOC_NOPM, 0, 0), 1250 SND_SOC_DAPM_DAC("DAC Voice", "Voice Playback", 1251 SND_SOC_NOPM, 0, 0), 1252 1253 /* Analog bypasses */ 1254 SND_SOC_DAPM_SWITCH("Right1 Analog Loopback", SND_SOC_NOPM, 0, 0, 1255 &twl4030_dapm_abypassr1_control), 1256 SND_SOC_DAPM_SWITCH("Left1 Analog Loopback", SND_SOC_NOPM, 0, 0, 1257 &twl4030_dapm_abypassl1_control), 1258 SND_SOC_DAPM_SWITCH("Right2 Analog Loopback", SND_SOC_NOPM, 0, 0, 1259 &twl4030_dapm_abypassr2_control), 1260 SND_SOC_DAPM_SWITCH("Left2 Analog Loopback", SND_SOC_NOPM, 0, 0, 1261 &twl4030_dapm_abypassl2_control), 1262 SND_SOC_DAPM_SWITCH("Voice Analog Loopback", SND_SOC_NOPM, 0, 0, 1263 &twl4030_dapm_abypassv_control), 1264 1265 /* Master analog loopback switch */ 1266 SND_SOC_DAPM_SUPPLY("FM Loop Enable", TWL4030_REG_MISC_SET_1, 5, 0, 1267 NULL, 0), 1268 1269 /* Digital bypasses */ 1270 SND_SOC_DAPM_SWITCH("Left Digital Loopback", SND_SOC_NOPM, 0, 0, 1271 &twl4030_dapm_dbypassl_control), 1272 SND_SOC_DAPM_SWITCH("Right Digital Loopback", SND_SOC_NOPM, 0, 0, 1273 &twl4030_dapm_dbypassr_control), 1274 SND_SOC_DAPM_SWITCH("Voice Digital Loopback", SND_SOC_NOPM, 0, 0, 1275 &twl4030_dapm_dbypassv_control), 1276 1277 /* Digital mixers, power control for the physical DACs */ 1278 SND_SOC_DAPM_MIXER("Digital R1 Playback Mixer", 1279 TWL4030_REG_AVDAC_CTL, 0, 0, NULL, 0), 1280 SND_SOC_DAPM_MIXER("Digital L1 Playback Mixer", 1281 TWL4030_REG_AVDAC_CTL, 1, 0, NULL, 0), 1282 SND_SOC_DAPM_MIXER("Digital R2 Playback Mixer", 1283 TWL4030_REG_AVDAC_CTL, 2, 0, NULL, 0), 1284 SND_SOC_DAPM_MIXER("Digital L2 Playback Mixer", 1285 TWL4030_REG_AVDAC_CTL, 3, 0, NULL, 0), 1286 SND_SOC_DAPM_MIXER("Digital Voice Playback Mixer", 1287 TWL4030_REG_AVDAC_CTL, 4, 0, NULL, 0), 1288 1289 /* Analog mixers, power control for the physical PGAs */ 1290 SND_SOC_DAPM_MIXER("Analog R1 Playback Mixer", 1291 TWL4030_REG_ARXR1_APGA_CTL, 0, 0, NULL, 0), 1292 SND_SOC_DAPM_MIXER("Analog L1 Playback Mixer", 1293 TWL4030_REG_ARXL1_APGA_CTL, 0, 0, NULL, 0), 1294 SND_SOC_DAPM_MIXER("Analog R2 Playback Mixer", 1295 TWL4030_REG_ARXR2_APGA_CTL, 0, 0, NULL, 0), 1296 SND_SOC_DAPM_MIXER("Analog L2 Playback Mixer", 1297 TWL4030_REG_ARXL2_APGA_CTL, 0, 0, NULL, 0), 1298 SND_SOC_DAPM_MIXER("Analog Voice Playback Mixer", 1299 TWL4030_REG_VDL_APGA_CTL, 0, 0, NULL, 0), 1300 1301 SND_SOC_DAPM_SUPPLY("APLL Enable", SND_SOC_NOPM, 0, 0, apll_event, 1302 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD), 1303 1304 SND_SOC_DAPM_SUPPLY("AIF Enable", SND_SOC_NOPM, 0, 0, aif_event, 1305 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD), 1306 1307 /* Output MIXER controls */ 1308 /* Earpiece */ 1309 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0, 1310 &twl4030_dapm_earpiece_controls[0], 1311 ARRAY_SIZE(twl4030_dapm_earpiece_controls)), 1312 SND_SOC_DAPM_PGA_E("Earpiece PGA", SND_SOC_NOPM, 1313 0, 0, NULL, 0, earpiecepga_event, 1314 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1315 /* PreDrivL/R */ 1316 SND_SOC_DAPM_MIXER("PredriveL Mixer", SND_SOC_NOPM, 0, 0, 1317 &twl4030_dapm_predrivel_controls[0], 1318 ARRAY_SIZE(twl4030_dapm_predrivel_controls)), 1319 SND_SOC_DAPM_PGA_E("PredriveL PGA", SND_SOC_NOPM, 1320 0, 0, NULL, 0, predrivelpga_event, 1321 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1322 SND_SOC_DAPM_MIXER("PredriveR Mixer", SND_SOC_NOPM, 0, 0, 1323 &twl4030_dapm_predriver_controls[0], 1324 ARRAY_SIZE(twl4030_dapm_predriver_controls)), 1325 SND_SOC_DAPM_PGA_E("PredriveR PGA", SND_SOC_NOPM, 1326 0, 0, NULL, 0, predriverpga_event, 1327 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1328 /* HeadsetL/R */ 1329 SND_SOC_DAPM_MIXER("HeadsetL Mixer", SND_SOC_NOPM, 0, 0, 1330 &twl4030_dapm_hsol_controls[0], 1331 ARRAY_SIZE(twl4030_dapm_hsol_controls)), 1332 SND_SOC_DAPM_PGA_E("HeadsetL PGA", SND_SOC_NOPM, 1333 0, 0, NULL, 0, headsetlpga_event, 1334 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1335 SND_SOC_DAPM_MIXER("HeadsetR Mixer", SND_SOC_NOPM, 0, 0, 1336 &twl4030_dapm_hsor_controls[0], 1337 ARRAY_SIZE(twl4030_dapm_hsor_controls)), 1338 SND_SOC_DAPM_PGA_E("HeadsetR PGA", SND_SOC_NOPM, 1339 0, 0, NULL, 0, headsetrpga_event, 1340 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1341 /* CarkitL/R */ 1342 SND_SOC_DAPM_MIXER("CarkitL Mixer", SND_SOC_NOPM, 0, 0, 1343 &twl4030_dapm_carkitl_controls[0], 1344 ARRAY_SIZE(twl4030_dapm_carkitl_controls)), 1345 SND_SOC_DAPM_PGA_E("CarkitL PGA", SND_SOC_NOPM, 1346 0, 0, NULL, 0, carkitlpga_event, 1347 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1348 SND_SOC_DAPM_MIXER("CarkitR Mixer", SND_SOC_NOPM, 0, 0, 1349 &twl4030_dapm_carkitr_controls[0], 1350 ARRAY_SIZE(twl4030_dapm_carkitr_controls)), 1351 SND_SOC_DAPM_PGA_E("CarkitR PGA", SND_SOC_NOPM, 1352 0, 0, NULL, 0, carkitrpga_event, 1353 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1354 1355 /* Output MUX controls */ 1356 /* HandsfreeL/R */ 1357 SND_SOC_DAPM_MUX("HandsfreeL Mux", SND_SOC_NOPM, 0, 0, 1358 &twl4030_dapm_handsfreel_control), 1359 SND_SOC_DAPM_SWITCH("HandsfreeL", SND_SOC_NOPM, 0, 0, 1360 &twl4030_dapm_handsfreelmute_control), 1361 SND_SOC_DAPM_PGA_E("HandsfreeL PGA", SND_SOC_NOPM, 1362 0, 0, NULL, 0, handsfreelpga_event, 1363 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1364 SND_SOC_DAPM_MUX("HandsfreeR Mux", SND_SOC_NOPM, 5, 0, 1365 &twl4030_dapm_handsfreer_control), 1366 SND_SOC_DAPM_SWITCH("HandsfreeR", SND_SOC_NOPM, 0, 0, 1367 &twl4030_dapm_handsfreermute_control), 1368 SND_SOC_DAPM_PGA_E("HandsfreeR PGA", SND_SOC_NOPM, 1369 0, 0, NULL, 0, handsfreerpga_event, 1370 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1371 /* Vibra */ 1372 SND_SOC_DAPM_MUX_E("Vibra Mux", TWL4030_REG_VIBRA_CTL, 0, 0, 1373 &twl4030_dapm_vibra_control, vibramux_event, 1374 SND_SOC_DAPM_PRE_PMU), 1375 SND_SOC_DAPM_MUX("Vibra Route", SND_SOC_NOPM, 0, 0, 1376 &twl4030_dapm_vibrapath_control), 1377 1378 /* Introducing four virtual ADC, since TWL4030 have four channel for 1379 capture */ 1380 SND_SOC_DAPM_ADC("ADC Virtual Left1", "Left Front Capture", 1381 SND_SOC_NOPM, 0, 0), 1382 SND_SOC_DAPM_ADC("ADC Virtual Right1", "Right Front Capture", 1383 SND_SOC_NOPM, 0, 0), 1384 SND_SOC_DAPM_ADC("ADC Virtual Left2", "Left Rear Capture", 1385 SND_SOC_NOPM, 0, 0), 1386 SND_SOC_DAPM_ADC("ADC Virtual Right2", "Right Rear Capture", 1387 SND_SOC_NOPM, 0, 0), 1388 1389 /* Analog/Digital mic path selection. 1390 TX1 Left/Right: either analog Left/Right or Digimic0 1391 TX2 Left/Right: either analog Left/Right or Digimic1 */ 1392 SND_SOC_DAPM_MUX("TX1 Capture Route", SND_SOC_NOPM, 0, 0, 1393 &twl4030_dapm_micpathtx1_control), 1394 SND_SOC_DAPM_MUX("TX2 Capture Route", SND_SOC_NOPM, 0, 0, 1395 &twl4030_dapm_micpathtx2_control), 1396 1397 /* Analog input mixers for the capture amplifiers */ 1398 SND_SOC_DAPM_MIXER("Analog Left", 1399 TWL4030_REG_ANAMICL, 4, 0, 1400 &twl4030_dapm_analoglmic_controls[0], 1401 ARRAY_SIZE(twl4030_dapm_analoglmic_controls)), 1402 SND_SOC_DAPM_MIXER("Analog Right", 1403 TWL4030_REG_ANAMICR, 4, 0, 1404 &twl4030_dapm_analogrmic_controls[0], 1405 ARRAY_SIZE(twl4030_dapm_analogrmic_controls)), 1406 1407 SND_SOC_DAPM_PGA("ADC Physical Left", 1408 TWL4030_REG_AVADC_CTL, 3, 0, NULL, 0), 1409 SND_SOC_DAPM_PGA("ADC Physical Right", 1410 TWL4030_REG_AVADC_CTL, 1, 0, NULL, 0), 1411 1412 SND_SOC_DAPM_PGA_E("Digimic0 Enable", 1413 TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0, 1414 digimic_event, SND_SOC_DAPM_POST_PMU), 1415 SND_SOC_DAPM_PGA_E("Digimic1 Enable", 1416 TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0, 1417 digimic_event, SND_SOC_DAPM_POST_PMU), 1418 1419 SND_SOC_DAPM_SUPPLY("micbias1 select", TWL4030_REG_MICBIAS_CTL, 5, 0, 1420 NULL, 0), 1421 SND_SOC_DAPM_SUPPLY("micbias2 select", TWL4030_REG_MICBIAS_CTL, 6, 0, 1422 NULL, 0), 1423 1424 SND_SOC_DAPM_MICBIAS("Mic Bias 1", TWL4030_REG_MICBIAS_CTL, 0, 0), 1425 SND_SOC_DAPM_MICBIAS("Mic Bias 2", TWL4030_REG_MICBIAS_CTL, 1, 0), 1426 SND_SOC_DAPM_MICBIAS("Headset Mic Bias", TWL4030_REG_MICBIAS_CTL, 2, 0), 1427 1428 }; 1429 1430 static const struct snd_soc_dapm_route intercon[] = { 1431 {"Digital L1 Playback Mixer", NULL, "DAC Left1"}, 1432 {"Digital R1 Playback Mixer", NULL, "DAC Right1"}, 1433 {"Digital L2 Playback Mixer", NULL, "DAC Left2"}, 1434 {"Digital R2 Playback Mixer", NULL, "DAC Right2"}, 1435 {"Digital Voice Playback Mixer", NULL, "DAC Voice"}, 1436 1437 /* Supply for the digital part (APLL) */ 1438 {"Digital Voice Playback Mixer", NULL, "APLL Enable"}, 1439 1440 {"DAC Left1", NULL, "AIF Enable"}, 1441 {"DAC Right1", NULL, "AIF Enable"}, 1442 {"DAC Left2", NULL, "AIF Enable"}, 1443 {"DAC Right1", NULL, "AIF Enable"}, 1444 1445 {"Digital R2 Playback Mixer", NULL, "AIF Enable"}, 1446 {"Digital L2 Playback Mixer", NULL, "AIF Enable"}, 1447 1448 {"Analog L1 Playback Mixer", NULL, "Digital L1 Playback Mixer"}, 1449 {"Analog R1 Playback Mixer", NULL, "Digital R1 Playback Mixer"}, 1450 {"Analog L2 Playback Mixer", NULL, "Digital L2 Playback Mixer"}, 1451 {"Analog R2 Playback Mixer", NULL, "Digital R2 Playback Mixer"}, 1452 {"Analog Voice Playback Mixer", NULL, "Digital Voice Playback Mixer"}, 1453 1454 /* Internal playback routings */ 1455 /* Earpiece */ 1456 {"Earpiece Mixer", "Voice", "Analog Voice Playback Mixer"}, 1457 {"Earpiece Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1458 {"Earpiece Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1459 {"Earpiece Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1460 {"Earpiece PGA", NULL, "Earpiece Mixer"}, 1461 /* PreDrivL */ 1462 {"PredriveL Mixer", "Voice", "Analog Voice Playback Mixer"}, 1463 {"PredriveL Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1464 {"PredriveL Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1465 {"PredriveL Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1466 {"PredriveL PGA", NULL, "PredriveL Mixer"}, 1467 /* PreDrivR */ 1468 {"PredriveR Mixer", "Voice", "Analog Voice Playback Mixer"}, 1469 {"PredriveR Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1470 {"PredriveR Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1471 {"PredriveR Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1472 {"PredriveR PGA", NULL, "PredriveR Mixer"}, 1473 /* HeadsetL */ 1474 {"HeadsetL Mixer", "Voice", "Analog Voice Playback Mixer"}, 1475 {"HeadsetL Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1476 {"HeadsetL Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1477 {"HeadsetL PGA", NULL, "HeadsetL Mixer"}, 1478 /* HeadsetR */ 1479 {"HeadsetR Mixer", "Voice", "Analog Voice Playback Mixer"}, 1480 {"HeadsetR Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1481 {"HeadsetR Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1482 {"HeadsetR PGA", NULL, "HeadsetR Mixer"}, 1483 /* CarkitL */ 1484 {"CarkitL Mixer", "Voice", "Analog Voice Playback Mixer"}, 1485 {"CarkitL Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1486 {"CarkitL Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1487 {"CarkitL PGA", NULL, "CarkitL Mixer"}, 1488 /* CarkitR */ 1489 {"CarkitR Mixer", "Voice", "Analog Voice Playback Mixer"}, 1490 {"CarkitR Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1491 {"CarkitR Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1492 {"CarkitR PGA", NULL, "CarkitR Mixer"}, 1493 /* HandsfreeL */ 1494 {"HandsfreeL Mux", "Voice", "Analog Voice Playback Mixer"}, 1495 {"HandsfreeL Mux", "AudioL1", "Analog L1 Playback Mixer"}, 1496 {"HandsfreeL Mux", "AudioL2", "Analog L2 Playback Mixer"}, 1497 {"HandsfreeL Mux", "AudioR2", "Analog R2 Playback Mixer"}, 1498 {"HandsfreeL", "Switch", "HandsfreeL Mux"}, 1499 {"HandsfreeL PGA", NULL, "HandsfreeL"}, 1500 /* HandsfreeR */ 1501 {"HandsfreeR Mux", "Voice", "Analog Voice Playback Mixer"}, 1502 {"HandsfreeR Mux", "AudioR1", "Analog R1 Playback Mixer"}, 1503 {"HandsfreeR Mux", "AudioR2", "Analog R2 Playback Mixer"}, 1504 {"HandsfreeR Mux", "AudioL2", "Analog L2 Playback Mixer"}, 1505 {"HandsfreeR", "Switch", "HandsfreeR Mux"}, 1506 {"HandsfreeR PGA", NULL, "HandsfreeR"}, 1507 /* Vibra */ 1508 {"Vibra Mux", "AudioL1", "DAC Left1"}, 1509 {"Vibra Mux", "AudioR1", "DAC Right1"}, 1510 {"Vibra Mux", "AudioL2", "DAC Left2"}, 1511 {"Vibra Mux", "AudioR2", "DAC Right2"}, 1512 1513 /* outputs */ 1514 /* Must be always connected (for AIF and APLL) */ 1515 {"Virtual HiFi OUT", NULL, "DAC Left1"}, 1516 {"Virtual HiFi OUT", NULL, "DAC Right1"}, 1517 {"Virtual HiFi OUT", NULL, "DAC Left2"}, 1518 {"Virtual HiFi OUT", NULL, "DAC Right2"}, 1519 /* Must be always connected (for APLL) */ 1520 {"Virtual Voice OUT", NULL, "Digital Voice Playback Mixer"}, 1521 /* Physical outputs */ 1522 {"EARPIECE", NULL, "Earpiece PGA"}, 1523 {"PREDRIVEL", NULL, "PredriveL PGA"}, 1524 {"PREDRIVER", NULL, "PredriveR PGA"}, 1525 {"HSOL", NULL, "HeadsetL PGA"}, 1526 {"HSOR", NULL, "HeadsetR PGA"}, 1527 {"CARKITL", NULL, "CarkitL PGA"}, 1528 {"CARKITR", NULL, "CarkitR PGA"}, 1529 {"HFL", NULL, "HandsfreeL PGA"}, 1530 {"HFR", NULL, "HandsfreeR PGA"}, 1531 {"Vibra Route", "Audio", "Vibra Mux"}, 1532 {"VIBRA", NULL, "Vibra Route"}, 1533 1534 /* Capture path */ 1535 /* Must be always connected (for AIF and APLL) */ 1536 {"ADC Virtual Left1", NULL, "Virtual HiFi IN"}, 1537 {"ADC Virtual Right1", NULL, "Virtual HiFi IN"}, 1538 {"ADC Virtual Left2", NULL, "Virtual HiFi IN"}, 1539 {"ADC Virtual Right2", NULL, "Virtual HiFi IN"}, 1540 /* Physical inputs */ 1541 {"Analog Left", "Main Mic Capture Switch", "MAINMIC"}, 1542 {"Analog Left", "Headset Mic Capture Switch", "HSMIC"}, 1543 {"Analog Left", "AUXL Capture Switch", "AUXL"}, 1544 {"Analog Left", "Carkit Mic Capture Switch", "CARKITMIC"}, 1545 1546 {"Analog Right", "Sub Mic Capture Switch", "SUBMIC"}, 1547 {"Analog Right", "AUXR Capture Switch", "AUXR"}, 1548 1549 {"ADC Physical Left", NULL, "Analog Left"}, 1550 {"ADC Physical Right", NULL, "Analog Right"}, 1551 1552 {"Digimic0 Enable", NULL, "DIGIMIC0"}, 1553 {"Digimic1 Enable", NULL, "DIGIMIC1"}, 1554 1555 {"DIGIMIC0", NULL, "micbias1 select"}, 1556 {"DIGIMIC1", NULL, "micbias2 select"}, 1557 1558 /* TX1 Left capture path */ 1559 {"TX1 Capture Route", "Analog", "ADC Physical Left"}, 1560 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"}, 1561 /* TX1 Right capture path */ 1562 {"TX1 Capture Route", "Analog", "ADC Physical Right"}, 1563 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"}, 1564 /* TX2 Left capture path */ 1565 {"TX2 Capture Route", "Analog", "ADC Physical Left"}, 1566 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"}, 1567 /* TX2 Right capture path */ 1568 {"TX2 Capture Route", "Analog", "ADC Physical Right"}, 1569 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"}, 1570 1571 {"ADC Virtual Left1", NULL, "TX1 Capture Route"}, 1572 {"ADC Virtual Right1", NULL, "TX1 Capture Route"}, 1573 {"ADC Virtual Left2", NULL, "TX2 Capture Route"}, 1574 {"ADC Virtual Right2", NULL, "TX2 Capture Route"}, 1575 1576 {"ADC Virtual Left1", NULL, "AIF Enable"}, 1577 {"ADC Virtual Right1", NULL, "AIF Enable"}, 1578 {"ADC Virtual Left2", NULL, "AIF Enable"}, 1579 {"ADC Virtual Right2", NULL, "AIF Enable"}, 1580 1581 /* Analog bypass routes */ 1582 {"Right1 Analog Loopback", "Switch", "Analog Right"}, 1583 {"Left1 Analog Loopback", "Switch", "Analog Left"}, 1584 {"Right2 Analog Loopback", "Switch", "Analog Right"}, 1585 {"Left2 Analog Loopback", "Switch", "Analog Left"}, 1586 {"Voice Analog Loopback", "Switch", "Analog Left"}, 1587 1588 /* Supply for the Analog loopbacks */ 1589 {"Right1 Analog Loopback", NULL, "FM Loop Enable"}, 1590 {"Left1 Analog Loopback", NULL, "FM Loop Enable"}, 1591 {"Right2 Analog Loopback", NULL, "FM Loop Enable"}, 1592 {"Left2 Analog Loopback", NULL, "FM Loop Enable"}, 1593 {"Voice Analog Loopback", NULL, "FM Loop Enable"}, 1594 1595 {"Analog R1 Playback Mixer", NULL, "Right1 Analog Loopback"}, 1596 {"Analog L1 Playback Mixer", NULL, "Left1 Analog Loopback"}, 1597 {"Analog R2 Playback Mixer", NULL, "Right2 Analog Loopback"}, 1598 {"Analog L2 Playback Mixer", NULL, "Left2 Analog Loopback"}, 1599 {"Analog Voice Playback Mixer", NULL, "Voice Analog Loopback"}, 1600 1601 /* Digital bypass routes */ 1602 {"Right Digital Loopback", "Volume", "TX1 Capture Route"}, 1603 {"Left Digital Loopback", "Volume", "TX1 Capture Route"}, 1604 {"Voice Digital Loopback", "Volume", "TX2 Capture Route"}, 1605 1606 {"Digital R2 Playback Mixer", NULL, "Right Digital Loopback"}, 1607 {"Digital L2 Playback Mixer", NULL, "Left Digital Loopback"}, 1608 {"Digital Voice Playback Mixer", NULL, "Voice Digital Loopback"}, 1609 1610 }; 1611 1612 static int twl4030_set_bias_level(struct snd_soc_codec *codec, 1613 enum snd_soc_bias_level level) 1614 { 1615 switch (level) { 1616 case SND_SOC_BIAS_ON: 1617 break; 1618 case SND_SOC_BIAS_PREPARE: 1619 break; 1620 case SND_SOC_BIAS_STANDBY: 1621 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) 1622 twl4030_codec_enable(codec, 1); 1623 break; 1624 case SND_SOC_BIAS_OFF: 1625 twl4030_codec_enable(codec, 0); 1626 break; 1627 } 1628 codec->dapm.bias_level = level; 1629 1630 return 0; 1631 } 1632 1633 static void twl4030_constraints(struct twl4030_priv *twl4030, 1634 struct snd_pcm_substream *mst_substream) 1635 { 1636 struct snd_pcm_substream *slv_substream; 1637 1638 /* Pick the stream, which need to be constrained */ 1639 if (mst_substream == twl4030->master_substream) 1640 slv_substream = twl4030->slave_substream; 1641 else if (mst_substream == twl4030->slave_substream) 1642 slv_substream = twl4030->master_substream; 1643 else /* This should not happen.. */ 1644 return; 1645 1646 /* Set the constraints according to the already configured stream */ 1647 snd_pcm_hw_constraint_minmax(slv_substream->runtime, 1648 SNDRV_PCM_HW_PARAM_RATE, 1649 twl4030->rate, 1650 twl4030->rate); 1651 1652 snd_pcm_hw_constraint_minmax(slv_substream->runtime, 1653 SNDRV_PCM_HW_PARAM_SAMPLE_BITS, 1654 twl4030->sample_bits, 1655 twl4030->sample_bits); 1656 1657 snd_pcm_hw_constraint_minmax(slv_substream->runtime, 1658 SNDRV_PCM_HW_PARAM_CHANNELS, 1659 twl4030->channels, 1660 twl4030->channels); 1661 } 1662 1663 /* In case of 4 channel mode, the RX1 L/R for playback and the TX2 L/R for 1664 * capture has to be enabled/disabled. */ 1665 static void twl4030_tdm_enable(struct snd_soc_codec *codec, int direction, 1666 int enable) 1667 { 1668 u8 reg, mask; 1669 1670 reg = twl4030_read_reg_cache(codec, TWL4030_REG_OPTION); 1671 1672 if (direction == SNDRV_PCM_STREAM_PLAYBACK) 1673 mask = TWL4030_ARXL1_VRX_EN | TWL4030_ARXR1_EN; 1674 else 1675 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN; 1676 1677 if (enable) 1678 reg |= mask; 1679 else 1680 reg &= ~mask; 1681 1682 twl4030_write(codec, TWL4030_REG_OPTION, reg); 1683 } 1684 1685 static int twl4030_startup(struct snd_pcm_substream *substream, 1686 struct snd_soc_dai *dai) 1687 { 1688 struct snd_soc_pcm_runtime *rtd = substream->private_data; 1689 struct snd_soc_codec *codec = rtd->codec; 1690 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1691 1692 if (twl4030->master_substream) { 1693 twl4030->slave_substream = substream; 1694 /* The DAI has one configuration for playback and capture, so 1695 * if the DAI has been already configured then constrain this 1696 * substream to match it. */ 1697 if (twl4030->configured) 1698 twl4030_constraints(twl4030, twl4030->master_substream); 1699 } else { 1700 if (!(twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE) & 1701 TWL4030_OPTION_1)) { 1702 /* In option2 4 channel is not supported, set the 1703 * constraint for the first stream for channels, the 1704 * second stream will 'inherit' this cosntraint */ 1705 snd_pcm_hw_constraint_minmax(substream->runtime, 1706 SNDRV_PCM_HW_PARAM_CHANNELS, 1707 2, 2); 1708 } 1709 twl4030->master_substream = substream; 1710 } 1711 1712 return 0; 1713 } 1714 1715 static void twl4030_shutdown(struct snd_pcm_substream *substream, 1716 struct snd_soc_dai *dai) 1717 { 1718 struct snd_soc_pcm_runtime *rtd = substream->private_data; 1719 struct snd_soc_codec *codec = rtd->codec; 1720 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1721 1722 if (twl4030->master_substream == substream) 1723 twl4030->master_substream = twl4030->slave_substream; 1724 1725 twl4030->slave_substream = NULL; 1726 1727 /* If all streams are closed, or the remaining stream has not yet 1728 * been configured than set the DAI as not configured. */ 1729 if (!twl4030->master_substream) 1730 twl4030->configured = 0; 1731 else if (!twl4030->master_substream->runtime->channels) 1732 twl4030->configured = 0; 1733 1734 /* If the closing substream had 4 channel, do the necessary cleanup */ 1735 if (substream->runtime->channels == 4) 1736 twl4030_tdm_enable(codec, substream->stream, 0); 1737 } 1738 1739 static int twl4030_hw_params(struct snd_pcm_substream *substream, 1740 struct snd_pcm_hw_params *params, 1741 struct snd_soc_dai *dai) 1742 { 1743 struct snd_soc_pcm_runtime *rtd = substream->private_data; 1744 struct snd_soc_codec *codec = rtd->codec; 1745 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1746 u8 mode, old_mode, format, old_format; 1747 1748 /* If the substream has 4 channel, do the necessary setup */ 1749 if (params_channels(params) == 4) { 1750 format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF); 1751 mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE); 1752 1753 /* Safety check: are we in the correct operating mode and 1754 * the interface is in TDM mode? */ 1755 if ((mode & TWL4030_OPTION_1) && 1756 ((format & TWL4030_AIF_FORMAT) == TWL4030_AIF_FORMAT_TDM)) 1757 twl4030_tdm_enable(codec, substream->stream, 1); 1758 else 1759 return -EINVAL; 1760 } 1761 1762 if (twl4030->configured) 1763 /* Ignoring hw_params for already configured DAI */ 1764 return 0; 1765 1766 /* bit rate */ 1767 old_mode = twl4030_read_reg_cache(codec, 1768 TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ; 1769 mode = old_mode & ~TWL4030_APLL_RATE; 1770 1771 switch (params_rate(params)) { 1772 case 8000: 1773 mode |= TWL4030_APLL_RATE_8000; 1774 break; 1775 case 11025: 1776 mode |= TWL4030_APLL_RATE_11025; 1777 break; 1778 case 12000: 1779 mode |= TWL4030_APLL_RATE_12000; 1780 break; 1781 case 16000: 1782 mode |= TWL4030_APLL_RATE_16000; 1783 break; 1784 case 22050: 1785 mode |= TWL4030_APLL_RATE_22050; 1786 break; 1787 case 24000: 1788 mode |= TWL4030_APLL_RATE_24000; 1789 break; 1790 case 32000: 1791 mode |= TWL4030_APLL_RATE_32000; 1792 break; 1793 case 44100: 1794 mode |= TWL4030_APLL_RATE_44100; 1795 break; 1796 case 48000: 1797 mode |= TWL4030_APLL_RATE_48000; 1798 break; 1799 case 96000: 1800 mode |= TWL4030_APLL_RATE_96000; 1801 break; 1802 default: 1803 dev_err(codec->dev, "%s: unknown rate %d\n", __func__, 1804 params_rate(params)); 1805 return -EINVAL; 1806 } 1807 1808 /* sample size */ 1809 old_format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF); 1810 format = old_format; 1811 format &= ~TWL4030_DATA_WIDTH; 1812 switch (params_format(params)) { 1813 case SNDRV_PCM_FORMAT_S16_LE: 1814 format |= TWL4030_DATA_WIDTH_16S_16W; 1815 break; 1816 case SNDRV_PCM_FORMAT_S32_LE: 1817 format |= TWL4030_DATA_WIDTH_32S_24W; 1818 break; 1819 default: 1820 dev_err(codec->dev, "%s: unknown format %d\n", __func__, 1821 params_format(params)); 1822 return -EINVAL; 1823 } 1824 1825 if (format != old_format || mode != old_mode) { 1826 if (twl4030->codec_powered) { 1827 /* 1828 * If the codec is powered, than we need to toggle the 1829 * codec power. 1830 */ 1831 twl4030_codec_enable(codec, 0); 1832 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 1833 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1834 twl4030_codec_enable(codec, 1); 1835 } else { 1836 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 1837 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1838 } 1839 } 1840 1841 /* Store the important parameters for the DAI configuration and set 1842 * the DAI as configured */ 1843 twl4030->configured = 1; 1844 twl4030->rate = params_rate(params); 1845 twl4030->sample_bits = hw_param_interval(params, 1846 SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min; 1847 twl4030->channels = params_channels(params); 1848 1849 /* If both playback and capture streams are open, and one of them 1850 * is setting the hw parameters right now (since we are here), set 1851 * constraints to the other stream to match the current one. */ 1852 if (twl4030->slave_substream) 1853 twl4030_constraints(twl4030, substream); 1854 1855 return 0; 1856 } 1857 1858 static int twl4030_set_dai_sysclk(struct snd_soc_dai *codec_dai, 1859 int clk_id, unsigned int freq, int dir) 1860 { 1861 struct snd_soc_codec *codec = codec_dai->codec; 1862 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1863 1864 switch (freq) { 1865 case 19200000: 1866 case 26000000: 1867 case 38400000: 1868 break; 1869 default: 1870 dev_err(codec->dev, "Unsupported HFCLKIN: %u\n", freq); 1871 return -EINVAL; 1872 } 1873 1874 if ((freq / 1000) != twl4030->sysclk) { 1875 dev_err(codec->dev, 1876 "Mismatch in HFCLKIN: %u (configured: %u)\n", 1877 freq, twl4030->sysclk * 1000); 1878 return -EINVAL; 1879 } 1880 1881 return 0; 1882 } 1883 1884 static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai, 1885 unsigned int fmt) 1886 { 1887 struct snd_soc_codec *codec = codec_dai->codec; 1888 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1889 u8 old_format, format; 1890 1891 /* get format */ 1892 old_format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF); 1893 format = old_format; 1894 1895 /* set master/slave audio interface */ 1896 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1897 case SND_SOC_DAIFMT_CBM_CFM: 1898 format &= ~(TWL4030_AIF_SLAVE_EN); 1899 format &= ~(TWL4030_CLK256FS_EN); 1900 break; 1901 case SND_SOC_DAIFMT_CBS_CFS: 1902 format |= TWL4030_AIF_SLAVE_EN; 1903 format |= TWL4030_CLK256FS_EN; 1904 break; 1905 default: 1906 return -EINVAL; 1907 } 1908 1909 /* interface format */ 1910 format &= ~TWL4030_AIF_FORMAT; 1911 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1912 case SND_SOC_DAIFMT_I2S: 1913 format |= TWL4030_AIF_FORMAT_CODEC; 1914 break; 1915 case SND_SOC_DAIFMT_DSP_A: 1916 format |= TWL4030_AIF_FORMAT_TDM; 1917 break; 1918 default: 1919 return -EINVAL; 1920 } 1921 1922 if (format != old_format) { 1923 if (twl4030->codec_powered) { 1924 /* 1925 * If the codec is powered, than we need to toggle the 1926 * codec power. 1927 */ 1928 twl4030_codec_enable(codec, 0); 1929 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1930 twl4030_codec_enable(codec, 1); 1931 } else { 1932 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1933 } 1934 } 1935 1936 return 0; 1937 } 1938 1939 static int twl4030_set_tristate(struct snd_soc_dai *dai, int tristate) 1940 { 1941 struct snd_soc_codec *codec = dai->codec; 1942 u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF); 1943 1944 if (tristate) 1945 reg |= TWL4030_AIF_TRI_EN; 1946 else 1947 reg &= ~TWL4030_AIF_TRI_EN; 1948 1949 return twl4030_write(codec, TWL4030_REG_AUDIO_IF, reg); 1950 } 1951 1952 /* In case of voice mode, the RX1 L(VRX) for downlink and the TX2 L/R 1953 * (VTXL, VTXR) for uplink has to be enabled/disabled. */ 1954 static void twl4030_voice_enable(struct snd_soc_codec *codec, int direction, 1955 int enable) 1956 { 1957 u8 reg, mask; 1958 1959 reg = twl4030_read_reg_cache(codec, TWL4030_REG_OPTION); 1960 1961 if (direction == SNDRV_PCM_STREAM_PLAYBACK) 1962 mask = TWL4030_ARXL1_VRX_EN; 1963 else 1964 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN; 1965 1966 if (enable) 1967 reg |= mask; 1968 else 1969 reg &= ~mask; 1970 1971 twl4030_write(codec, TWL4030_REG_OPTION, reg); 1972 } 1973 1974 static int twl4030_voice_startup(struct snd_pcm_substream *substream, 1975 struct snd_soc_dai *dai) 1976 { 1977 struct snd_soc_pcm_runtime *rtd = substream->private_data; 1978 struct snd_soc_codec *codec = rtd->codec; 1979 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1980 u8 mode; 1981 1982 /* If the system master clock is not 26MHz, the voice PCM interface is 1983 * not available. 1984 */ 1985 if (twl4030->sysclk != 26000) { 1986 dev_err(codec->dev, 1987 "%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n", 1988 __func__, twl4030->sysclk); 1989 return -EINVAL; 1990 } 1991 1992 /* If the codec mode is not option2, the voice PCM interface is not 1993 * available. 1994 */ 1995 mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE) 1996 & TWL4030_OPT_MODE; 1997 1998 if (mode != TWL4030_OPTION_2) { 1999 dev_err(codec->dev, "%s: the codec mode is not option2\n", 2000 __func__); 2001 return -EINVAL; 2002 } 2003 2004 return 0; 2005 } 2006 2007 static void twl4030_voice_shutdown(struct snd_pcm_substream *substream, 2008 struct snd_soc_dai *dai) 2009 { 2010 struct snd_soc_pcm_runtime *rtd = substream->private_data; 2011 struct snd_soc_codec *codec = rtd->codec; 2012 2013 /* Enable voice digital filters */ 2014 twl4030_voice_enable(codec, substream->stream, 0); 2015 } 2016 2017 static int twl4030_voice_hw_params(struct snd_pcm_substream *substream, 2018 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) 2019 { 2020 struct snd_soc_pcm_runtime *rtd = substream->private_data; 2021 struct snd_soc_codec *codec = rtd->codec; 2022 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2023 u8 old_mode, mode; 2024 2025 /* Enable voice digital filters */ 2026 twl4030_voice_enable(codec, substream->stream, 1); 2027 2028 /* bit rate */ 2029 old_mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE) 2030 & ~(TWL4030_CODECPDZ); 2031 mode = old_mode; 2032 2033 switch (params_rate(params)) { 2034 case 8000: 2035 mode &= ~(TWL4030_SEL_16K); 2036 break; 2037 case 16000: 2038 mode |= TWL4030_SEL_16K; 2039 break; 2040 default: 2041 dev_err(codec->dev, "%s: unknown rate %d\n", __func__, 2042 params_rate(params)); 2043 return -EINVAL; 2044 } 2045 2046 if (mode != old_mode) { 2047 if (twl4030->codec_powered) { 2048 /* 2049 * If the codec is powered, than we need to toggle the 2050 * codec power. 2051 */ 2052 twl4030_codec_enable(codec, 0); 2053 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 2054 twl4030_codec_enable(codec, 1); 2055 } else { 2056 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 2057 } 2058 } 2059 2060 return 0; 2061 } 2062 2063 static int twl4030_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai, 2064 int clk_id, unsigned int freq, int dir) 2065 { 2066 struct snd_soc_codec *codec = codec_dai->codec; 2067 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2068 2069 if (freq != 26000000) { 2070 dev_err(codec->dev, 2071 "%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n", 2072 __func__, freq / 1000); 2073 return -EINVAL; 2074 } 2075 if ((freq / 1000) != twl4030->sysclk) { 2076 dev_err(codec->dev, 2077 "Mismatch in HFCLKIN: %u (configured: %u)\n", 2078 freq, twl4030->sysclk * 1000); 2079 return -EINVAL; 2080 } 2081 return 0; 2082 } 2083 2084 static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai, 2085 unsigned int fmt) 2086 { 2087 struct snd_soc_codec *codec = codec_dai->codec; 2088 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2089 u8 old_format, format; 2090 2091 /* get format */ 2092 old_format = twl4030_read_reg_cache(codec, TWL4030_REG_VOICE_IF); 2093 format = old_format; 2094 2095 /* set master/slave audio interface */ 2096 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 2097 case SND_SOC_DAIFMT_CBM_CFM: 2098 format &= ~(TWL4030_VIF_SLAVE_EN); 2099 break; 2100 case SND_SOC_DAIFMT_CBS_CFS: 2101 format |= TWL4030_VIF_SLAVE_EN; 2102 break; 2103 default: 2104 return -EINVAL; 2105 } 2106 2107 /* clock inversion */ 2108 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 2109 case SND_SOC_DAIFMT_IB_NF: 2110 format &= ~(TWL4030_VIF_FORMAT); 2111 break; 2112 case SND_SOC_DAIFMT_NB_IF: 2113 format |= TWL4030_VIF_FORMAT; 2114 break; 2115 default: 2116 return -EINVAL; 2117 } 2118 2119 if (format != old_format) { 2120 if (twl4030->codec_powered) { 2121 /* 2122 * If the codec is powered, than we need to toggle the 2123 * codec power. 2124 */ 2125 twl4030_codec_enable(codec, 0); 2126 twl4030_write(codec, TWL4030_REG_VOICE_IF, format); 2127 twl4030_codec_enable(codec, 1); 2128 } else { 2129 twl4030_write(codec, TWL4030_REG_VOICE_IF, format); 2130 } 2131 } 2132 2133 return 0; 2134 } 2135 2136 static int twl4030_voice_set_tristate(struct snd_soc_dai *dai, int tristate) 2137 { 2138 struct snd_soc_codec *codec = dai->codec; 2139 u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_VOICE_IF); 2140 2141 if (tristate) 2142 reg |= TWL4030_VIF_TRI_EN; 2143 else 2144 reg &= ~TWL4030_VIF_TRI_EN; 2145 2146 return twl4030_write(codec, TWL4030_REG_VOICE_IF, reg); 2147 } 2148 2149 #define TWL4030_RATES (SNDRV_PCM_RATE_8000_48000) 2150 #define TWL4030_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE) 2151 2152 static const struct snd_soc_dai_ops twl4030_dai_hifi_ops = { 2153 .startup = twl4030_startup, 2154 .shutdown = twl4030_shutdown, 2155 .hw_params = twl4030_hw_params, 2156 .set_sysclk = twl4030_set_dai_sysclk, 2157 .set_fmt = twl4030_set_dai_fmt, 2158 .set_tristate = twl4030_set_tristate, 2159 }; 2160 2161 static const struct snd_soc_dai_ops twl4030_dai_voice_ops = { 2162 .startup = twl4030_voice_startup, 2163 .shutdown = twl4030_voice_shutdown, 2164 .hw_params = twl4030_voice_hw_params, 2165 .set_sysclk = twl4030_voice_set_dai_sysclk, 2166 .set_fmt = twl4030_voice_set_dai_fmt, 2167 .set_tristate = twl4030_voice_set_tristate, 2168 }; 2169 2170 static struct snd_soc_dai_driver twl4030_dai[] = { 2171 { 2172 .name = "twl4030-hifi", 2173 .playback = { 2174 .stream_name = "HiFi Playback", 2175 .channels_min = 2, 2176 .channels_max = 4, 2177 .rates = TWL4030_RATES | SNDRV_PCM_RATE_96000, 2178 .formats = TWL4030_FORMATS, 2179 .sig_bits = 24,}, 2180 .capture = { 2181 .stream_name = "Capture", 2182 .channels_min = 2, 2183 .channels_max = 4, 2184 .rates = TWL4030_RATES, 2185 .formats = TWL4030_FORMATS, 2186 .sig_bits = 24,}, 2187 .ops = &twl4030_dai_hifi_ops, 2188 }, 2189 { 2190 .name = "twl4030-voice", 2191 .playback = { 2192 .stream_name = "Voice Playback", 2193 .channels_min = 1, 2194 .channels_max = 1, 2195 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, 2196 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 2197 .capture = { 2198 .stream_name = "Capture", 2199 .channels_min = 1, 2200 .channels_max = 2, 2201 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, 2202 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 2203 .ops = &twl4030_dai_voice_ops, 2204 }, 2205 }; 2206 2207 static int twl4030_soc_suspend(struct snd_soc_codec *codec) 2208 { 2209 twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF); 2210 return 0; 2211 } 2212 2213 static int twl4030_soc_resume(struct snd_soc_codec *codec) 2214 { 2215 twl4030_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 2216 return 0; 2217 } 2218 2219 static int twl4030_soc_probe(struct snd_soc_codec *codec) 2220 { 2221 struct twl4030_priv *twl4030; 2222 2223 twl4030 = kzalloc(sizeof(struct twl4030_priv), GFP_KERNEL); 2224 if (twl4030 == NULL) { 2225 dev_err(codec->dev, "Can not allocate memory\n"); 2226 return -ENOMEM; 2227 } 2228 snd_soc_codec_set_drvdata(codec, twl4030); 2229 /* Set the defaults, and power up the codec */ 2230 twl4030->sysclk = twl4030_audio_get_mclk() / 1000; 2231 2232 twl4030_init_chip(codec); 2233 2234 return 0; 2235 } 2236 2237 static int twl4030_soc_remove(struct snd_soc_codec *codec) 2238 { 2239 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2240 2241 /* Reset registers to their chip default before leaving */ 2242 twl4030_reset_registers(codec); 2243 twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF); 2244 kfree(twl4030); 2245 return 0; 2246 } 2247 2248 static struct snd_soc_codec_driver soc_codec_dev_twl4030 = { 2249 .probe = twl4030_soc_probe, 2250 .remove = twl4030_soc_remove, 2251 .suspend = twl4030_soc_suspend, 2252 .resume = twl4030_soc_resume, 2253 .read = twl4030_read_reg_cache, 2254 .write = twl4030_write, 2255 .set_bias_level = twl4030_set_bias_level, 2256 .idle_bias_off = true, 2257 .reg_cache_size = sizeof(twl4030_reg), 2258 .reg_word_size = sizeof(u8), 2259 .reg_cache_default = twl4030_reg, 2260 2261 .controls = twl4030_snd_controls, 2262 .num_controls = ARRAY_SIZE(twl4030_snd_controls), 2263 .dapm_widgets = twl4030_dapm_widgets, 2264 .num_dapm_widgets = ARRAY_SIZE(twl4030_dapm_widgets), 2265 .dapm_routes = intercon, 2266 .num_dapm_routes = ARRAY_SIZE(intercon), 2267 }; 2268 2269 static int __devinit twl4030_codec_probe(struct platform_device *pdev) 2270 { 2271 struct twl4030_codec_data *pdata = pdev->dev.platform_data; 2272 2273 if (!pdata) { 2274 dev_err(&pdev->dev, "platform_data is missing\n"); 2275 return -EINVAL; 2276 } 2277 2278 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl4030, 2279 twl4030_dai, ARRAY_SIZE(twl4030_dai)); 2280 } 2281 2282 static int __devexit twl4030_codec_remove(struct platform_device *pdev) 2283 { 2284 snd_soc_unregister_codec(&pdev->dev); 2285 return 0; 2286 } 2287 2288 MODULE_ALIAS("platform:twl4030-codec"); 2289 2290 static struct platform_driver twl4030_codec_driver = { 2291 .probe = twl4030_codec_probe, 2292 .remove = __devexit_p(twl4030_codec_remove), 2293 .driver = { 2294 .name = "twl4030-codec", 2295 .owner = THIS_MODULE, 2296 }, 2297 }; 2298 2299 module_platform_driver(twl4030_codec_driver); 2300 2301 MODULE_DESCRIPTION("ASoC TWL4030 codec driver"); 2302 MODULE_AUTHOR("Steve Sakoman"); 2303 MODULE_LICENSE("GPL"); 2304