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/soc-dapm.h> 36#include <sound/initval.h> 37#include <sound/tlv.h> 38 39#include "twl4030.h" 40 41/* 42 * twl4030 register cache & default register settings 43 */ 44static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = { 45 0x00, /* this register not used */ 46 0x00, /* REG_CODEC_MODE (0x1) */ 47 0x00, /* REG_OPTION (0x2) */ 48 0x00, /* REG_UNKNOWN (0x3) */ 49 0x00, /* REG_MICBIAS_CTL (0x4) */ 50 0x00, /* REG_ANAMICL (0x5) */ 51 0x00, /* REG_ANAMICR (0x6) */ 52 0x00, /* REG_AVADC_CTL (0x7) */ 53 0x00, /* REG_ADCMICSEL (0x8) */ 54 0x00, /* REG_DIGMIXING (0x9) */ 55 0x0f, /* REG_ATXL1PGA (0xA) */ 56 0x0f, /* REG_ATXR1PGA (0xB) */ 57 0x0f, /* REG_AVTXL2PGA (0xC) */ 58 0x0f, /* REG_AVTXR2PGA (0xD) */ 59 0x00, /* REG_AUDIO_IF (0xE) */ 60 0x00, /* REG_VOICE_IF (0xF) */ 61 0x3f, /* REG_ARXR1PGA (0x10) */ 62 0x3f, /* REG_ARXL1PGA (0x11) */ 63 0x3f, /* REG_ARXR2PGA (0x12) */ 64 0x3f, /* REG_ARXL2PGA (0x13) */ 65 0x25, /* REG_VRXPGA (0x14) */ 66 0x00, /* REG_VSTPGA (0x15) */ 67 0x00, /* REG_VRX2ARXPGA (0x16) */ 68 0x00, /* REG_AVDAC_CTL (0x17) */ 69 0x00, /* REG_ARX2VTXPGA (0x18) */ 70 0x32, /* REG_ARXL1_APGA_CTL (0x19) */ 71 0x32, /* REG_ARXR1_APGA_CTL (0x1A) */ 72 0x32, /* REG_ARXL2_APGA_CTL (0x1B) */ 73 0x32, /* REG_ARXR2_APGA_CTL (0x1C) */ 74 0x00, /* REG_ATX2ARXPGA (0x1D) */ 75 0x00, /* REG_BT_IF (0x1E) */ 76 0x55, /* REG_BTPGA (0x1F) */ 77 0x00, /* REG_BTSTPGA (0x20) */ 78 0x00, /* REG_EAR_CTL (0x21) */ 79 0x00, /* REG_HS_SEL (0x22) */ 80 0x00, /* REG_HS_GAIN_SET (0x23) */ 81 0x00, /* REG_HS_POPN_SET (0x24) */ 82 0x00, /* REG_PREDL_CTL (0x25) */ 83 0x00, /* REG_PREDR_CTL (0x26) */ 84 0x00, /* REG_PRECKL_CTL (0x27) */ 85 0x00, /* REG_PRECKR_CTL (0x28) */ 86 0x00, /* REG_HFL_CTL (0x29) */ 87 0x00, /* REG_HFR_CTL (0x2A) */ 88 0x05, /* REG_ALC_CTL (0x2B) */ 89 0x00, /* REG_ALC_SET1 (0x2C) */ 90 0x00, /* REG_ALC_SET2 (0x2D) */ 91 0x00, /* REG_BOOST_CTL (0x2E) */ 92 0x00, /* REG_SOFTVOL_CTL (0x2F) */ 93 0x13, /* REG_DTMF_FREQSEL (0x30) */ 94 0x00, /* REG_DTMF_TONEXT1H (0x31) */ 95 0x00, /* REG_DTMF_TONEXT1L (0x32) */ 96 0x00, /* REG_DTMF_TONEXT2H (0x33) */ 97 0x00, /* REG_DTMF_TONEXT2L (0x34) */ 98 0x79, /* REG_DTMF_TONOFF (0x35) */ 99 0x11, /* REG_DTMF_WANONOFF (0x36) */ 100 0x00, /* REG_I2S_RX_SCRAMBLE_H (0x37) */ 101 0x00, /* REG_I2S_RX_SCRAMBLE_M (0x38) */ 102 0x00, /* REG_I2S_RX_SCRAMBLE_L (0x39) */ 103 0x06, /* REG_APLL_CTL (0x3A) */ 104 0x00, /* REG_DTMF_CTL (0x3B) */ 105 0x44, /* REG_DTMF_PGA_CTL2 (0x3C) */ 106 0x69, /* REG_DTMF_PGA_CTL1 (0x3D) */ 107 0x00, /* REG_MISC_SET_1 (0x3E) */ 108 0x00, /* REG_PCMBTMUX (0x3F) */ 109 0x00, /* not used (0x40) */ 110 0x00, /* not used (0x41) */ 111 0x00, /* not used (0x42) */ 112 0x00, /* REG_RX_PATH_SEL (0x43) */ 113 0x32, /* REG_VDL_APGA_CTL (0x44) */ 114 0x00, /* REG_VIBRA_CTL (0x45) */ 115 0x00, /* REG_VIBRA_SET (0x46) */ 116 0x00, /* REG_VIBRA_PWM_SET (0x47) */ 117 0x00, /* REG_ANAMIC_GAIN (0x48) */ 118 0x00, /* REG_MISC_SET_2 (0x49) */ 119 0x00, /* REG_SW_SHADOW (0x4A) - Shadow, non HW register */ 120}; 121 122/* codec private data */ 123struct twl4030_priv { 124 struct snd_soc_codec codec; 125 126 unsigned int codec_powered; 127 128 /* reference counts of AIF/APLL users */ 129 unsigned int apll_enabled; 130 131 struct snd_pcm_substream *master_substream; 132 struct snd_pcm_substream *slave_substream; 133 134 unsigned int configured; 135 unsigned int rate; 136 unsigned int sample_bits; 137 unsigned int channels; 138 139 unsigned int sysclk; 140 141 /* Output (with associated amp) states */ 142 u8 hsl_enabled, hsr_enabled; 143 u8 earpiece_enabled; 144 u8 predrivel_enabled, predriver_enabled; 145 u8 carkitl_enabled, carkitr_enabled; 146 147 /* Delay needed after enabling the digimic interface */ 148 unsigned int digimic_delay; 149}; 150 151/* 152 * read twl4030 register cache 153 */ 154static inline unsigned int twl4030_read_reg_cache(struct snd_soc_codec *codec, 155 unsigned int reg) 156{ 157 u8 *cache = codec->reg_cache; 158 159 if (reg >= TWL4030_CACHEREGNUM) 160 return -EIO; 161 162 return cache[reg]; 163} 164 165/* 166 * write twl4030 register cache 167 */ 168static inline void twl4030_write_reg_cache(struct snd_soc_codec *codec, 169 u8 reg, u8 value) 170{ 171 u8 *cache = codec->reg_cache; 172 173 if (reg >= TWL4030_CACHEREGNUM) 174 return; 175 cache[reg] = value; 176} 177 178/* 179 * write to the twl4030 register space 180 */ 181static int twl4030_write(struct snd_soc_codec *codec, 182 unsigned int reg, unsigned int value) 183{ 184 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 185 int write_to_reg = 0; 186 187 twl4030_write_reg_cache(codec, reg, value); 188 if (likely(reg < TWL4030_REG_SW_SHADOW)) { 189 /* Decide if the given register can be written */ 190 switch (reg) { 191 case TWL4030_REG_EAR_CTL: 192 if (twl4030->earpiece_enabled) 193 write_to_reg = 1; 194 break; 195 case TWL4030_REG_PREDL_CTL: 196 if (twl4030->predrivel_enabled) 197 write_to_reg = 1; 198 break; 199 case TWL4030_REG_PREDR_CTL: 200 if (twl4030->predriver_enabled) 201 write_to_reg = 1; 202 break; 203 case TWL4030_REG_PRECKL_CTL: 204 if (twl4030->carkitl_enabled) 205 write_to_reg = 1; 206 break; 207 case TWL4030_REG_PRECKR_CTL: 208 if (twl4030->carkitr_enabled) 209 write_to_reg = 1; 210 break; 211 case TWL4030_REG_HS_GAIN_SET: 212 if (twl4030->hsl_enabled || twl4030->hsr_enabled) 213 write_to_reg = 1; 214 break; 215 default: 216 /* All other register can be written */ 217 write_to_reg = 1; 218 break; 219 } 220 if (write_to_reg) 221 return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, 222 value, reg); 223 } 224 return 0; 225} 226 227static void twl4030_codec_enable(struct snd_soc_codec *codec, int enable) 228{ 229 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 230 int mode; 231 232 if (enable == twl4030->codec_powered) 233 return; 234 235 if (enable) 236 mode = twl4030_codec_enable_resource(TWL4030_CODEC_RES_POWER); 237 else 238 mode = twl4030_codec_disable_resource(TWL4030_CODEC_RES_POWER); 239 240 if (mode >= 0) { 241 twl4030_write_reg_cache(codec, TWL4030_REG_CODEC_MODE, mode); 242 twl4030->codec_powered = enable; 243 } 244 245 /* REVISIT: this delay is present in TI sample drivers */ 246 /* but there seems to be no TRM requirement for it */ 247 udelay(10); 248} 249 250static inline void twl4030_check_defaults(struct snd_soc_codec *codec) 251{ 252 int i, difference = 0; 253 u8 val; 254 255 dev_dbg(codec->dev, "Checking TWL audio default configuration\n"); 256 for (i = 1; i <= TWL4030_REG_MISC_SET_2; i++) { 257 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &val, i); 258 if (val != twl4030_reg[i]) { 259 difference++; 260 dev_dbg(codec->dev, 261 "Reg 0x%02x: chip: 0x%02x driver: 0x%02x\n", 262 i, val, twl4030_reg[i]); 263 } 264 } 265 dev_dbg(codec->dev, "Found %d non maching registers. %s\n", 266 difference, difference ? "Not OK" : "OK"); 267} 268 269static inline void twl4030_reset_registers(struct snd_soc_codec *codec) 270{ 271 int i; 272 273 /* set all audio section registers to reasonable defaults */ 274 for (i = TWL4030_REG_OPTION; i <= TWL4030_REG_MISC_SET_2; i++) 275 if (i != TWL4030_REG_APLL_CTL) 276 twl4030_write(codec, i, twl4030_reg[i]); 277 278} 279 280static void twl4030_init_chip(struct platform_device *pdev) 281{ 282 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 283 struct twl4030_setup_data *setup = socdev->codec_data; 284 struct snd_soc_codec *codec = socdev->card->codec; 285 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 286 u8 reg, byte; 287 int i = 0; 288 289 /* Check defaults, if instructed before anything else */ 290 if (setup && setup->check_defaults) 291 twl4030_check_defaults(codec); 292 293 /* Reset registers, if no setup data or if instructed to do so */ 294 if (!setup || (setup && setup->reset_registers)) 295 twl4030_reset_registers(codec); 296 297 /* Refresh APLL_CTL register from HW */ 298 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, 299 TWL4030_REG_APLL_CTL); 300 twl4030_write_reg_cache(codec, TWL4030_REG_APLL_CTL, byte); 301 302 /* anti-pop when changing analog gain */ 303 reg = twl4030_read_reg_cache(codec, TWL4030_REG_MISC_SET_1); 304 twl4030_write(codec, TWL4030_REG_MISC_SET_1, 305 reg | TWL4030_SMOOTH_ANAVOL_EN); 306 307 twl4030_write(codec, TWL4030_REG_OPTION, 308 TWL4030_ATXL1_EN | TWL4030_ATXR1_EN | 309 TWL4030_ARXL2_EN | TWL4030_ARXR2_EN); 310 311 /* REG_ARXR2_APGA_CTL reset according to the TRM: 0dB, DA_EN */ 312 twl4030_write(codec, TWL4030_REG_ARXR2_APGA_CTL, 0x32); 313 314 /* Machine dependent setup */ 315 if (!setup) 316 return; 317 318 twl4030->digimic_delay = setup->digimic_delay; 319 320 /* Configuration for headset ramp delay from setup data */ 321 if (setup->sysclk != twl4030->sysclk) 322 dev_warn(codec->dev, 323 "Mismatch in APLL mclk: %u (configured: %u)\n", 324 setup->sysclk, twl4030->sysclk); 325 326 reg = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET); 327 reg &= ~TWL4030_RAMP_DELAY; 328 reg |= (setup->ramp_delay_value << 2); 329 twl4030_write_reg_cache(codec, TWL4030_REG_HS_POPN_SET, reg); 330 331 /* initiate offset cancellation */ 332 twl4030_codec_enable(codec, 1); 333 334 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); 335 reg &= ~TWL4030_OFFSET_CNCL_SEL; 336 reg |= setup->offset_cncl_path; 337 twl4030_write(codec, TWL4030_REG_ANAMICL, 338 reg | TWL4030_CNCL_OFFSET_START); 339 340 /* wait for offset cancellation to complete */ 341 do { 342 /* this takes a little while, so don't slam i2c */ 343 udelay(2000); 344 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, 345 TWL4030_REG_ANAMICL); 346 } while ((i++ < 100) && 347 ((byte & TWL4030_CNCL_OFFSET_START) == 348 TWL4030_CNCL_OFFSET_START)); 349 350 /* Make sure that the reg_cache has the same value as the HW */ 351 twl4030_write_reg_cache(codec, TWL4030_REG_ANAMICL, byte); 352 353 twl4030_codec_enable(codec, 0); 354} 355 356static void twl4030_apll_enable(struct snd_soc_codec *codec, int enable) 357{ 358 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 359 int status = -1; 360 361 if (enable) { 362 twl4030->apll_enabled++; 363 if (twl4030->apll_enabled == 1) 364 status = twl4030_codec_enable_resource( 365 TWL4030_CODEC_RES_APLL); 366 } else { 367 twl4030->apll_enabled--; 368 if (!twl4030->apll_enabled) 369 status = twl4030_codec_disable_resource( 370 TWL4030_CODEC_RES_APLL); 371 } 372 373 if (status >= 0) 374 twl4030_write_reg_cache(codec, TWL4030_REG_APLL_CTL, status); 375} 376 377/* Earpiece */ 378static const struct snd_kcontrol_new twl4030_dapm_earpiece_controls[] = { 379 SOC_DAPM_SINGLE("Voice", TWL4030_REG_EAR_CTL, 0, 1, 0), 380 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_EAR_CTL, 1, 1, 0), 381 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_EAR_CTL, 2, 1, 0), 382 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_EAR_CTL, 3, 1, 0), 383}; 384 385/* PreDrive Left */ 386static const struct snd_kcontrol_new twl4030_dapm_predrivel_controls[] = { 387 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDL_CTL, 0, 1, 0), 388 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PREDL_CTL, 1, 1, 0), 389 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDL_CTL, 2, 1, 0), 390 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDL_CTL, 3, 1, 0), 391}; 392 393/* PreDrive Right */ 394static const struct snd_kcontrol_new twl4030_dapm_predriver_controls[] = { 395 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDR_CTL, 0, 1, 0), 396 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PREDR_CTL, 1, 1, 0), 397 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDR_CTL, 2, 1, 0), 398 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDR_CTL, 3, 1, 0), 399}; 400 401/* Headset Left */ 402static const struct snd_kcontrol_new twl4030_dapm_hsol_controls[] = { 403 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 0, 1, 0), 404 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_HS_SEL, 1, 1, 0), 405 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_HS_SEL, 2, 1, 0), 406}; 407 408/* Headset Right */ 409static const struct snd_kcontrol_new twl4030_dapm_hsor_controls[] = { 410 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 3, 1, 0), 411 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_HS_SEL, 4, 1, 0), 412 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_HS_SEL, 5, 1, 0), 413}; 414 415/* Carkit Left */ 416static const struct snd_kcontrol_new twl4030_dapm_carkitl_controls[] = { 417 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKL_CTL, 0, 1, 0), 418 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PRECKL_CTL, 1, 1, 0), 419 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PRECKL_CTL, 2, 1, 0), 420}; 421 422/* Carkit Right */ 423static const struct snd_kcontrol_new twl4030_dapm_carkitr_controls[] = { 424 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKR_CTL, 0, 1, 0), 425 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PRECKR_CTL, 1, 1, 0), 426 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PRECKR_CTL, 2, 1, 0), 427}; 428 429/* Handsfree Left */ 430static const char *twl4030_handsfreel_texts[] = 431 {"Voice", "AudioL1", "AudioL2", "AudioR2"}; 432 433static const struct soc_enum twl4030_handsfreel_enum = 434 SOC_ENUM_SINGLE(TWL4030_REG_HFL_CTL, 0, 435 ARRAY_SIZE(twl4030_handsfreel_texts), 436 twl4030_handsfreel_texts); 437 438static const struct snd_kcontrol_new twl4030_dapm_handsfreel_control = 439SOC_DAPM_ENUM("Route", twl4030_handsfreel_enum); 440 441/* Handsfree Left virtual mute */ 442static const struct snd_kcontrol_new twl4030_dapm_handsfreelmute_control = 443 SOC_DAPM_SINGLE("Switch", TWL4030_REG_SW_SHADOW, 0, 1, 0); 444 445/* Handsfree Right */ 446static const char *twl4030_handsfreer_texts[] = 447 {"Voice", "AudioR1", "AudioR2", "AudioL2"}; 448 449static const struct soc_enum twl4030_handsfreer_enum = 450 SOC_ENUM_SINGLE(TWL4030_REG_HFR_CTL, 0, 451 ARRAY_SIZE(twl4030_handsfreer_texts), 452 twl4030_handsfreer_texts); 453 454static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control = 455SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum); 456 457/* Handsfree Right virtual mute */ 458static const struct snd_kcontrol_new twl4030_dapm_handsfreermute_control = 459 SOC_DAPM_SINGLE("Switch", TWL4030_REG_SW_SHADOW, 1, 1, 0); 460 461/* Vibra */ 462/* Vibra audio path selection */ 463static const char *twl4030_vibra_texts[] = 464 {"AudioL1", "AudioR1", "AudioL2", "AudioR2"}; 465 466static const struct soc_enum twl4030_vibra_enum = 467 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 2, 468 ARRAY_SIZE(twl4030_vibra_texts), 469 twl4030_vibra_texts); 470 471static const struct snd_kcontrol_new twl4030_dapm_vibra_control = 472SOC_DAPM_ENUM("Route", twl4030_vibra_enum); 473 474/* Vibra path selection: local vibrator (PWM) or audio driven */ 475static const char *twl4030_vibrapath_texts[] = 476 {"Local vibrator", "Audio"}; 477 478static const struct soc_enum twl4030_vibrapath_enum = 479 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 4, 480 ARRAY_SIZE(twl4030_vibrapath_texts), 481 twl4030_vibrapath_texts); 482 483static const struct snd_kcontrol_new twl4030_dapm_vibrapath_control = 484SOC_DAPM_ENUM("Route", twl4030_vibrapath_enum); 485 486/* Left analog microphone selection */ 487static const struct snd_kcontrol_new twl4030_dapm_analoglmic_controls[] = { 488 SOC_DAPM_SINGLE("Main Mic Capture Switch", 489 TWL4030_REG_ANAMICL, 0, 1, 0), 490 SOC_DAPM_SINGLE("Headset Mic Capture Switch", 491 TWL4030_REG_ANAMICL, 1, 1, 0), 492 SOC_DAPM_SINGLE("AUXL Capture Switch", 493 TWL4030_REG_ANAMICL, 2, 1, 0), 494 SOC_DAPM_SINGLE("Carkit Mic Capture Switch", 495 TWL4030_REG_ANAMICL, 3, 1, 0), 496}; 497 498/* Right analog microphone selection */ 499static const struct snd_kcontrol_new twl4030_dapm_analogrmic_controls[] = { 500 SOC_DAPM_SINGLE("Sub Mic Capture Switch", TWL4030_REG_ANAMICR, 0, 1, 0), 501 SOC_DAPM_SINGLE("AUXR Capture Switch", TWL4030_REG_ANAMICR, 2, 1, 0), 502}; 503 504/* TX1 L/R Analog/Digital microphone selection */ 505static const char *twl4030_micpathtx1_texts[] = 506 {"Analog", "Digimic0"}; 507 508static const struct soc_enum twl4030_micpathtx1_enum = 509 SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 0, 510 ARRAY_SIZE(twl4030_micpathtx1_texts), 511 twl4030_micpathtx1_texts); 512 513static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control = 514SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum); 515 516/* TX2 L/R Analog/Digital microphone selection */ 517static const char *twl4030_micpathtx2_texts[] = 518 {"Analog", "Digimic1"}; 519 520static const struct soc_enum twl4030_micpathtx2_enum = 521 SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 2, 522 ARRAY_SIZE(twl4030_micpathtx2_texts), 523 twl4030_micpathtx2_texts); 524 525static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control = 526SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum); 527 528/* Analog bypass for AudioR1 */ 529static const struct snd_kcontrol_new twl4030_dapm_abypassr1_control = 530 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR1_APGA_CTL, 2, 1, 0); 531 532/* Analog bypass for AudioL1 */ 533static const struct snd_kcontrol_new twl4030_dapm_abypassl1_control = 534 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL1_APGA_CTL, 2, 1, 0); 535 536/* Analog bypass for AudioR2 */ 537static const struct snd_kcontrol_new twl4030_dapm_abypassr2_control = 538 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR2_APGA_CTL, 2, 1, 0); 539 540/* Analog bypass for AudioL2 */ 541static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control = 542 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL2_APGA_CTL, 2, 1, 0); 543 544/* Analog bypass for Voice */ 545static const struct snd_kcontrol_new twl4030_dapm_abypassv_control = 546 SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL, 2, 1, 0); 547 548/* Digital bypass gain, mute instead of -30dB */ 549static const unsigned int twl4030_dapm_dbypass_tlv[] = { 550 TLV_DB_RANGE_HEAD(3), 551 0, 1, TLV_DB_SCALE_ITEM(-3000, 600, 1), 552 2, 3, TLV_DB_SCALE_ITEM(-2400, 0, 0), 553 4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0), 554}; 555 556/* Digital bypass left (TX1L -> RX2L) */ 557static const struct snd_kcontrol_new twl4030_dapm_dbypassl_control = 558 SOC_DAPM_SINGLE_TLV("Volume", 559 TWL4030_REG_ATX2ARXPGA, 3, 7, 0, 560 twl4030_dapm_dbypass_tlv); 561 562/* Digital bypass right (TX1R -> RX2R) */ 563static const struct snd_kcontrol_new twl4030_dapm_dbypassr_control = 564 SOC_DAPM_SINGLE_TLV("Volume", 565 TWL4030_REG_ATX2ARXPGA, 0, 7, 0, 566 twl4030_dapm_dbypass_tlv); 567 568/* 569 * Voice Sidetone GAIN volume control: 570 * from -51 to -10 dB in 1 dB steps (mute instead of -51 dB) 571 */ 572static DECLARE_TLV_DB_SCALE(twl4030_dapm_dbypassv_tlv, -5100, 100, 1); 573 574/* Digital bypass voice: sidetone (VUL -> VDL)*/ 575static const struct snd_kcontrol_new twl4030_dapm_dbypassv_control = 576 SOC_DAPM_SINGLE_TLV("Volume", 577 TWL4030_REG_VSTPGA, 0, 0x29, 0, 578 twl4030_dapm_dbypassv_tlv); 579 580/* 581 * Output PGA builder: 582 * Handle the muting and unmuting of the given output (turning off the 583 * amplifier associated with the output pin) 584 * On mute bypass the reg_cache and write 0 to the register 585 * On unmute: restore the register content from the reg_cache 586 * Outputs handled in this way: Earpiece, PreDrivL/R, CarkitL/R 587 */ 588#define TWL4030_OUTPUT_PGA(pin_name, reg, mask) \ 589static int pin_name##pga_event(struct snd_soc_dapm_widget *w, \ 590 struct snd_kcontrol *kcontrol, int event) \ 591{ \ 592 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); \ 593 \ 594 switch (event) { \ 595 case SND_SOC_DAPM_POST_PMU: \ 596 twl4030->pin_name##_enabled = 1; \ 597 twl4030_write(w->codec, reg, \ 598 twl4030_read_reg_cache(w->codec, reg)); \ 599 break; \ 600 case SND_SOC_DAPM_POST_PMD: \ 601 twl4030->pin_name##_enabled = 0; \ 602 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, \ 603 0, reg); \ 604 break; \ 605 } \ 606 return 0; \ 607} 608 609TWL4030_OUTPUT_PGA(earpiece, TWL4030_REG_EAR_CTL, TWL4030_EAR_GAIN); 610TWL4030_OUTPUT_PGA(predrivel, TWL4030_REG_PREDL_CTL, TWL4030_PREDL_GAIN); 611TWL4030_OUTPUT_PGA(predriver, TWL4030_REG_PREDR_CTL, TWL4030_PREDR_GAIN); 612TWL4030_OUTPUT_PGA(carkitl, TWL4030_REG_PRECKL_CTL, TWL4030_PRECKL_GAIN); 613TWL4030_OUTPUT_PGA(carkitr, TWL4030_REG_PRECKR_CTL, TWL4030_PRECKR_GAIN); 614 615static void handsfree_ramp(struct snd_soc_codec *codec, int reg, int ramp) 616{ 617 unsigned char hs_ctl; 618 619 hs_ctl = twl4030_read_reg_cache(codec, reg); 620 621 if (ramp) { 622 /* HF ramp-up */ 623 hs_ctl |= TWL4030_HF_CTL_REF_EN; 624 twl4030_write(codec, reg, hs_ctl); 625 udelay(10); 626 hs_ctl |= TWL4030_HF_CTL_RAMP_EN; 627 twl4030_write(codec, reg, hs_ctl); 628 udelay(40); 629 hs_ctl |= TWL4030_HF_CTL_LOOP_EN; 630 hs_ctl |= TWL4030_HF_CTL_HB_EN; 631 twl4030_write(codec, reg, hs_ctl); 632 } else { 633 /* HF ramp-down */ 634 hs_ctl &= ~TWL4030_HF_CTL_LOOP_EN; 635 hs_ctl &= ~TWL4030_HF_CTL_HB_EN; 636 twl4030_write(codec, reg, hs_ctl); 637 hs_ctl &= ~TWL4030_HF_CTL_RAMP_EN; 638 twl4030_write(codec, reg, hs_ctl); 639 udelay(40); 640 hs_ctl &= ~TWL4030_HF_CTL_REF_EN; 641 twl4030_write(codec, reg, hs_ctl); 642 } 643} 644 645static int handsfreelpga_event(struct snd_soc_dapm_widget *w, 646 struct snd_kcontrol *kcontrol, int event) 647{ 648 switch (event) { 649 case SND_SOC_DAPM_POST_PMU: 650 handsfree_ramp(w->codec, TWL4030_REG_HFL_CTL, 1); 651 break; 652 case SND_SOC_DAPM_POST_PMD: 653 handsfree_ramp(w->codec, TWL4030_REG_HFL_CTL, 0); 654 break; 655 } 656 return 0; 657} 658 659static int handsfreerpga_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_HFR_CTL, 1); 665 break; 666 case SND_SOC_DAPM_POST_PMD: 667 handsfree_ramp(w->codec, TWL4030_REG_HFR_CTL, 0); 668 break; 669 } 670 return 0; 671} 672 673static int vibramux_event(struct snd_soc_dapm_widget *w, 674 struct snd_kcontrol *kcontrol, int event) 675{ 676 twl4030_write(w->codec, TWL4030_REG_VIBRA_SET, 0xff); 677 return 0; 678} 679 680static int apll_event(struct snd_soc_dapm_widget *w, 681 struct snd_kcontrol *kcontrol, int event) 682{ 683 switch (event) { 684 case SND_SOC_DAPM_PRE_PMU: 685 twl4030_apll_enable(w->codec, 1); 686 break; 687 case SND_SOC_DAPM_POST_PMD: 688 twl4030_apll_enable(w->codec, 0); 689 break; 690 } 691 return 0; 692} 693 694static int aif_event(struct snd_soc_dapm_widget *w, 695 struct snd_kcontrol *kcontrol, int event) 696{ 697 u8 audio_if; 698 699 audio_if = twl4030_read_reg_cache(w->codec, TWL4030_REG_AUDIO_IF); 700 switch (event) { 701 case SND_SOC_DAPM_PRE_PMU: 702 /* Enable AIF */ 703 /* enable the PLL before we use it to clock the DAI */ 704 twl4030_apll_enable(w->codec, 1); 705 706 twl4030_write(w->codec, TWL4030_REG_AUDIO_IF, 707 audio_if | TWL4030_AIF_EN); 708 break; 709 case SND_SOC_DAPM_POST_PMD: 710 /* disable the DAI before we stop it's source PLL */ 711 twl4030_write(w->codec, TWL4030_REG_AUDIO_IF, 712 audio_if & ~TWL4030_AIF_EN); 713 twl4030_apll_enable(w->codec, 0); 714 break; 715 } 716 return 0; 717} 718 719static void headset_ramp(struct snd_soc_codec *codec, int ramp) 720{ 721 struct snd_soc_device *socdev = codec->socdev; 722 struct twl4030_setup_data *setup = socdev->codec_data; 723 724 unsigned char hs_gain, hs_pop; 725 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 726 /* Base values for ramp delay calculation: 2^19 - 2^26 */ 727 unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304, 728 8388608, 16777216, 33554432, 67108864}; 729 730 hs_gain = twl4030_read_reg_cache(codec, TWL4030_REG_HS_GAIN_SET); 731 hs_pop = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET); 732 733 /* Enable external mute control, this dramatically reduces 734 * the pop-noise */ 735 if (setup && setup->hs_extmute) { 736 if (setup->set_hs_extmute) { 737 setup->set_hs_extmute(1); 738 } else { 739 hs_pop |= TWL4030_EXTMUTE; 740 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 741 } 742 } 743 744 if (ramp) { 745 /* Headset ramp-up according to the TRM */ 746 hs_pop |= TWL4030_VMID_EN; 747 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 748 /* Actually write to the register */ 749 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, 750 hs_gain, 751 TWL4030_REG_HS_GAIN_SET); 752 hs_pop |= TWL4030_RAMP_EN; 753 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 754 /* Wait ramp delay time + 1, so the VMID can settle */ 755 mdelay((ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] / 756 twl4030->sysclk) + 1); 757 } else { 758 /* Headset ramp-down _not_ according to 759 * the TRM, but in a way that it is working */ 760 hs_pop &= ~TWL4030_RAMP_EN; 761 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 762 /* Wait ramp delay time + 1, so the VMID can settle */ 763 mdelay((ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] / 764 twl4030->sysclk) + 1); 765 /* Bypass the reg_cache to mute the headset */ 766 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, 767 hs_gain & (~0x0f), 768 TWL4030_REG_HS_GAIN_SET); 769 770 hs_pop &= ~TWL4030_VMID_EN; 771 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 772 } 773 774 /* Disable external mute */ 775 if (setup && setup->hs_extmute) { 776 if (setup->set_hs_extmute) { 777 setup->set_hs_extmute(0); 778 } else { 779 hs_pop &= ~TWL4030_EXTMUTE; 780 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 781 } 782 } 783} 784 785static int headsetlpga_event(struct snd_soc_dapm_widget *w, 786 struct snd_kcontrol *kcontrol, int event) 787{ 788 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); 789 790 switch (event) { 791 case SND_SOC_DAPM_POST_PMU: 792 /* Do the ramp-up only once */ 793 if (!twl4030->hsr_enabled) 794 headset_ramp(w->codec, 1); 795 796 twl4030->hsl_enabled = 1; 797 break; 798 case SND_SOC_DAPM_POST_PMD: 799 /* Do the ramp-down only if both headsetL/R is disabled */ 800 if (!twl4030->hsr_enabled) 801 headset_ramp(w->codec, 0); 802 803 twl4030->hsl_enabled = 0; 804 break; 805 } 806 return 0; 807} 808 809static int headsetrpga_event(struct snd_soc_dapm_widget *w, 810 struct snd_kcontrol *kcontrol, int event) 811{ 812 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); 813 814 switch (event) { 815 case SND_SOC_DAPM_POST_PMU: 816 /* Do the ramp-up only once */ 817 if (!twl4030->hsl_enabled) 818 headset_ramp(w->codec, 1); 819 820 twl4030->hsr_enabled = 1; 821 break; 822 case SND_SOC_DAPM_POST_PMD: 823 /* Do the ramp-down only if both headsetL/R is disabled */ 824 if (!twl4030->hsl_enabled) 825 headset_ramp(w->codec, 0); 826 827 twl4030->hsr_enabled = 0; 828 break; 829 } 830 return 0; 831} 832 833static int digimic_event(struct snd_soc_dapm_widget *w, 834 struct snd_kcontrol *kcontrol, int event) 835{ 836 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); 837 838 if (twl4030->digimic_delay) 839 mdelay(twl4030->digimic_delay); 840 return 0; 841} 842 843/* 844 * Some of the gain controls in TWL (mostly those which are associated with 845 * the outputs) are implemented in an interesting way: 846 * 0x0 : Power down (mute) 847 * 0x1 : 6dB 848 * 0x2 : 0 dB 849 * 0x3 : -6 dB 850 * Inverting not going to help with these. 851 * Custom volsw and volsw_2r get/put functions to handle these gain bits. 852 */ 853#define SOC_DOUBLE_TLV_TWL4030(xname, xreg, shift_left, shift_right, xmax,\ 854 xinvert, tlv_array) \ 855{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 856 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 857 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 858 .tlv.p = (tlv_array), \ 859 .info = snd_soc_info_volsw, \ 860 .get = snd_soc_get_volsw_twl4030, \ 861 .put = snd_soc_put_volsw_twl4030, \ 862 .private_value = (unsigned long)&(struct soc_mixer_control) \ 863 {.reg = xreg, .shift = shift_left, .rshift = shift_right,\ 864 .max = xmax, .invert = xinvert} } 865#define SOC_DOUBLE_R_TLV_TWL4030(xname, reg_left, reg_right, xshift, xmax,\ 866 xinvert, tlv_array) \ 867{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 868 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 869 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 870 .tlv.p = (tlv_array), \ 871 .info = snd_soc_info_volsw_2r, \ 872 .get = snd_soc_get_volsw_r2_twl4030,\ 873 .put = snd_soc_put_volsw_r2_twl4030, \ 874 .private_value = (unsigned long)&(struct soc_mixer_control) \ 875 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \ 876 .rshift = xshift, .max = xmax, .invert = xinvert} } 877#define SOC_SINGLE_TLV_TWL4030(xname, xreg, xshift, xmax, xinvert, tlv_array) \ 878 SOC_DOUBLE_TLV_TWL4030(xname, xreg, xshift, xshift, xmax, \ 879 xinvert, tlv_array) 880 881static int snd_soc_get_volsw_twl4030(struct snd_kcontrol *kcontrol, 882 struct snd_ctl_elem_value *ucontrol) 883{ 884 struct soc_mixer_control *mc = 885 (struct soc_mixer_control *)kcontrol->private_value; 886 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 887 unsigned int reg = mc->reg; 888 unsigned int shift = mc->shift; 889 unsigned int rshift = mc->rshift; 890 int max = mc->max; 891 int mask = (1 << fls(max)) - 1; 892 893 ucontrol->value.integer.value[0] = 894 (snd_soc_read(codec, reg) >> shift) & mask; 895 if (ucontrol->value.integer.value[0]) 896 ucontrol->value.integer.value[0] = 897 max + 1 - ucontrol->value.integer.value[0]; 898 899 if (shift != rshift) { 900 ucontrol->value.integer.value[1] = 901 (snd_soc_read(codec, reg) >> rshift) & mask; 902 if (ucontrol->value.integer.value[1]) 903 ucontrol->value.integer.value[1] = 904 max + 1 - ucontrol->value.integer.value[1]; 905 } 906 907 return 0; 908} 909 910static int snd_soc_put_volsw_twl4030(struct snd_kcontrol *kcontrol, 911 struct snd_ctl_elem_value *ucontrol) 912{ 913 struct soc_mixer_control *mc = 914 (struct soc_mixer_control *)kcontrol->private_value; 915 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 916 unsigned int reg = mc->reg; 917 unsigned int shift = mc->shift; 918 unsigned int rshift = mc->rshift; 919 int max = mc->max; 920 int mask = (1 << fls(max)) - 1; 921 unsigned short val, val2, val_mask; 922 923 val = (ucontrol->value.integer.value[0] & mask); 924 925 val_mask = mask << shift; 926 if (val) 927 val = max + 1 - val; 928 val = val << shift; 929 if (shift != rshift) { 930 val2 = (ucontrol->value.integer.value[1] & mask); 931 val_mask |= mask << rshift; 932 if (val2) 933 val2 = max + 1 - val2; 934 val |= val2 << rshift; 935 } 936 return snd_soc_update_bits(codec, reg, val_mask, val); 937} 938 939static int snd_soc_get_volsw_r2_twl4030(struct snd_kcontrol *kcontrol, 940 struct snd_ctl_elem_value *ucontrol) 941{ 942 struct soc_mixer_control *mc = 943 (struct soc_mixer_control *)kcontrol->private_value; 944 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 945 unsigned int reg = mc->reg; 946 unsigned int reg2 = mc->rreg; 947 unsigned int shift = mc->shift; 948 int max = mc->max; 949 int mask = (1<<fls(max))-1; 950 951 ucontrol->value.integer.value[0] = 952 (snd_soc_read(codec, reg) >> shift) & mask; 953 ucontrol->value.integer.value[1] = 954 (snd_soc_read(codec, reg2) >> shift) & mask; 955 956 if (ucontrol->value.integer.value[0]) 957 ucontrol->value.integer.value[0] = 958 max + 1 - ucontrol->value.integer.value[0]; 959 if (ucontrol->value.integer.value[1]) 960 ucontrol->value.integer.value[1] = 961 max + 1 - ucontrol->value.integer.value[1]; 962 963 return 0; 964} 965 966static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol, 967 struct snd_ctl_elem_value *ucontrol) 968{ 969 struct soc_mixer_control *mc = 970 (struct soc_mixer_control *)kcontrol->private_value; 971 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 972 unsigned int reg = mc->reg; 973 unsigned int reg2 = mc->rreg; 974 unsigned int shift = mc->shift; 975 int max = mc->max; 976 int mask = (1 << fls(max)) - 1; 977 int err; 978 unsigned short val, val2, val_mask; 979 980 val_mask = mask << shift; 981 val = (ucontrol->value.integer.value[0] & mask); 982 val2 = (ucontrol->value.integer.value[1] & mask); 983 984 if (val) 985 val = max + 1 - val; 986 if (val2) 987 val2 = max + 1 - val2; 988 989 val = val << shift; 990 val2 = val2 << shift; 991 992 err = snd_soc_update_bits(codec, reg, val_mask, val); 993 if (err < 0) 994 return err; 995 996 err = snd_soc_update_bits(codec, reg2, val_mask, val2); 997 return err; 998} 999 1000/* Codec operation modes */ 1001static const char *twl4030_op_modes_texts[] = { 1002 "Option 2 (voice/audio)", "Option 1 (audio)" 1003}; 1004 1005static const struct soc_enum twl4030_op_modes_enum = 1006 SOC_ENUM_SINGLE(TWL4030_REG_CODEC_MODE, 0, 1007 ARRAY_SIZE(twl4030_op_modes_texts), 1008 twl4030_op_modes_texts); 1009 1010static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol, 1011 struct snd_ctl_elem_value *ucontrol) 1012{ 1013 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 1014 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1015 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 1016 unsigned short val; 1017 unsigned short mask, bitmask; 1018 1019 if (twl4030->configured) { 1020 printk(KERN_ERR "twl4030 operation mode cannot be " 1021 "changed on-the-fly\n"); 1022 return -EBUSY; 1023 } 1024 1025 for (bitmask = 1; bitmask < e->max; bitmask <<= 1) 1026 ; 1027 if (ucontrol->value.enumerated.item[0] > e->max - 1) 1028 return -EINVAL; 1029 1030 val = ucontrol->value.enumerated.item[0] << e->shift_l; 1031 mask = (bitmask - 1) << e->shift_l; 1032 if (e->shift_l != e->shift_r) { 1033 if (ucontrol->value.enumerated.item[1] > e->max - 1) 1034 return -EINVAL; 1035 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 1036 mask |= (bitmask - 1) << e->shift_r; 1037 } 1038 1039 return snd_soc_update_bits(codec, e->reg, mask, val); 1040} 1041 1042/* 1043 * FGAIN volume control: 1044 * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB) 1045 */ 1046static DECLARE_TLV_DB_SCALE(digital_fine_tlv, -6300, 100, 1); 1047 1048/* 1049 * CGAIN volume control: 1050 * 0 dB to 12 dB in 6 dB steps 1051 * value 2 and 3 means 12 dB 1052 */ 1053static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0); 1054 1055/* 1056 * Voice Downlink GAIN volume control: 1057 * from -37 to 12 dB in 1 dB steps (mute instead of -37 dB) 1058 */ 1059static DECLARE_TLV_DB_SCALE(digital_voice_downlink_tlv, -3700, 100, 1); 1060 1061/* 1062 * Analog playback gain 1063 * -24 dB to 12 dB in 2 dB steps 1064 */ 1065static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0); 1066 1067/* 1068 * Gain controls tied to outputs 1069 * -6 dB to 6 dB in 6 dB steps (mute instead of -12) 1070 */ 1071static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1); 1072 1073/* 1074 * Gain control for earpiece amplifier 1075 * 0 dB to 12 dB in 6 dB steps (mute instead of -6) 1076 */ 1077static DECLARE_TLV_DB_SCALE(output_ear_tvl, -600, 600, 1); 1078 1079/* 1080 * Capture gain after the ADCs 1081 * from 0 dB to 31 dB in 1 dB steps 1082 */ 1083static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0); 1084 1085/* 1086 * Gain control for input amplifiers 1087 * 0 dB to 30 dB in 6 dB steps 1088 */ 1089static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0); 1090 1091/* AVADC clock priority */ 1092static const char *twl4030_avadc_clk_priority_texts[] = { 1093 "Voice high priority", "HiFi high priority" 1094}; 1095 1096static const struct soc_enum twl4030_avadc_clk_priority_enum = 1097 SOC_ENUM_SINGLE(TWL4030_REG_AVADC_CTL, 2, 1098 ARRAY_SIZE(twl4030_avadc_clk_priority_texts), 1099 twl4030_avadc_clk_priority_texts); 1100 1101static const char *twl4030_rampdelay_texts[] = { 1102 "27/20/14 ms", "55/40/27 ms", "109/81/55 ms", "218/161/109 ms", 1103 "437/323/218 ms", "874/645/437 ms", "1748/1291/874 ms", 1104 "3495/2581/1748 ms" 1105}; 1106 1107static const struct soc_enum twl4030_rampdelay_enum = 1108 SOC_ENUM_SINGLE(TWL4030_REG_HS_POPN_SET, 2, 1109 ARRAY_SIZE(twl4030_rampdelay_texts), 1110 twl4030_rampdelay_texts); 1111 1112/* Vibra H-bridge direction mode */ 1113static const char *twl4030_vibradirmode_texts[] = { 1114 "Vibra H-bridge direction", "Audio data MSB", 1115}; 1116 1117static const struct soc_enum twl4030_vibradirmode_enum = 1118 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 5, 1119 ARRAY_SIZE(twl4030_vibradirmode_texts), 1120 twl4030_vibradirmode_texts); 1121 1122/* Vibra H-bridge direction */ 1123static const char *twl4030_vibradir_texts[] = { 1124 "Positive polarity", "Negative polarity", 1125}; 1126 1127static const struct soc_enum twl4030_vibradir_enum = 1128 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 1, 1129 ARRAY_SIZE(twl4030_vibradir_texts), 1130 twl4030_vibradir_texts); 1131 1132/* Digimic Left and right swapping */ 1133static const char *twl4030_digimicswap_texts[] = { 1134 "Not swapped", "Swapped", 1135}; 1136 1137static const struct soc_enum twl4030_digimicswap_enum = 1138 SOC_ENUM_SINGLE(TWL4030_REG_MISC_SET_1, 0, 1139 ARRAY_SIZE(twl4030_digimicswap_texts), 1140 twl4030_digimicswap_texts); 1141 1142static const struct snd_kcontrol_new twl4030_snd_controls[] = { 1143 /* Codec operation mode control */ 1144 SOC_ENUM_EXT("Codec Operation Mode", twl4030_op_modes_enum, 1145 snd_soc_get_enum_double, 1146 snd_soc_put_twl4030_opmode_enum_double), 1147 1148 /* Common playback gain controls */ 1149 SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume", 1150 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA, 1151 0, 0x3f, 0, digital_fine_tlv), 1152 SOC_DOUBLE_R_TLV("DAC2 Digital Fine Playback Volume", 1153 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA, 1154 0, 0x3f, 0, digital_fine_tlv), 1155 1156 SOC_DOUBLE_R_TLV("DAC1 Digital Coarse Playback Volume", 1157 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA, 1158 6, 0x2, 0, digital_coarse_tlv), 1159 SOC_DOUBLE_R_TLV("DAC2 Digital Coarse Playback Volume", 1160 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA, 1161 6, 0x2, 0, digital_coarse_tlv), 1162 1163 SOC_DOUBLE_R_TLV("DAC1 Analog Playback Volume", 1164 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL, 1165 3, 0x12, 1, analog_tlv), 1166 SOC_DOUBLE_R_TLV("DAC2 Analog Playback Volume", 1167 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL, 1168 3, 0x12, 1, analog_tlv), 1169 SOC_DOUBLE_R("DAC1 Analog Playback Switch", 1170 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL, 1171 1, 1, 0), 1172 SOC_DOUBLE_R("DAC2 Analog Playback Switch", 1173 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL, 1174 1, 1, 0), 1175 1176 /* Common voice downlink gain controls */ 1177 SOC_SINGLE_TLV("DAC Voice Digital Downlink Volume", 1178 TWL4030_REG_VRXPGA, 0, 0x31, 0, digital_voice_downlink_tlv), 1179 1180 SOC_SINGLE_TLV("DAC Voice Analog Downlink Volume", 1181 TWL4030_REG_VDL_APGA_CTL, 3, 0x12, 1, analog_tlv), 1182 1183 SOC_SINGLE("DAC Voice Analog Downlink Switch", 1184 TWL4030_REG_VDL_APGA_CTL, 1, 1, 0), 1185 1186 /* Separate output gain controls */ 1187 SOC_DOUBLE_R_TLV_TWL4030("PreDriv Playback Volume", 1188 TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL, 1189 4, 3, 0, output_tvl), 1190 1191 SOC_DOUBLE_TLV_TWL4030("Headset Playback Volume", 1192 TWL4030_REG_HS_GAIN_SET, 0, 2, 3, 0, output_tvl), 1193 1194 SOC_DOUBLE_R_TLV_TWL4030("Carkit Playback Volume", 1195 TWL4030_REG_PRECKL_CTL, TWL4030_REG_PRECKR_CTL, 1196 4, 3, 0, output_tvl), 1197 1198 SOC_SINGLE_TLV_TWL4030("Earpiece Playback Volume", 1199 TWL4030_REG_EAR_CTL, 4, 3, 0, output_ear_tvl), 1200 1201 /* Common capture gain controls */ 1202 SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume", 1203 TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA, 1204 0, 0x1f, 0, digital_capture_tlv), 1205 SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume", 1206 TWL4030_REG_AVTXL2PGA, TWL4030_REG_AVTXR2PGA, 1207 0, 0x1f, 0, digital_capture_tlv), 1208 1209 SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN, 1210 0, 3, 5, 0, input_gain_tlv), 1211 1212 SOC_ENUM("AVADC Clock Priority", twl4030_avadc_clk_priority_enum), 1213 1214 SOC_ENUM("HS ramp delay", twl4030_rampdelay_enum), 1215 1216 SOC_ENUM("Vibra H-bridge mode", twl4030_vibradirmode_enum), 1217 SOC_ENUM("Vibra H-bridge direction", twl4030_vibradir_enum), 1218 1219 SOC_ENUM("Digimic LR Swap", twl4030_digimicswap_enum), 1220}; 1221 1222static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { 1223 /* Left channel inputs */ 1224 SND_SOC_DAPM_INPUT("MAINMIC"), 1225 SND_SOC_DAPM_INPUT("HSMIC"), 1226 SND_SOC_DAPM_INPUT("AUXL"), 1227 SND_SOC_DAPM_INPUT("CARKITMIC"), 1228 /* Right channel inputs */ 1229 SND_SOC_DAPM_INPUT("SUBMIC"), 1230 SND_SOC_DAPM_INPUT("AUXR"), 1231 /* Digital microphones (Stereo) */ 1232 SND_SOC_DAPM_INPUT("DIGIMIC0"), 1233 SND_SOC_DAPM_INPUT("DIGIMIC1"), 1234 1235 /* Outputs */ 1236 SND_SOC_DAPM_OUTPUT("EARPIECE"), 1237 SND_SOC_DAPM_OUTPUT("PREDRIVEL"), 1238 SND_SOC_DAPM_OUTPUT("PREDRIVER"), 1239 SND_SOC_DAPM_OUTPUT("HSOL"), 1240 SND_SOC_DAPM_OUTPUT("HSOR"), 1241 SND_SOC_DAPM_OUTPUT("CARKITL"), 1242 SND_SOC_DAPM_OUTPUT("CARKITR"), 1243 SND_SOC_DAPM_OUTPUT("HFL"), 1244 SND_SOC_DAPM_OUTPUT("HFR"), 1245 SND_SOC_DAPM_OUTPUT("VIBRA"), 1246 1247 /* AIF and APLL clocks for running DAIs (including loopback) */ 1248 SND_SOC_DAPM_OUTPUT("Virtual HiFi OUT"), 1249 SND_SOC_DAPM_INPUT("Virtual HiFi IN"), 1250 SND_SOC_DAPM_OUTPUT("Virtual Voice OUT"), 1251 1252 /* DACs */ 1253 SND_SOC_DAPM_DAC("DAC Right1", "Right Front HiFi Playback", 1254 SND_SOC_NOPM, 0, 0), 1255 SND_SOC_DAPM_DAC("DAC Left1", "Left Front HiFi Playback", 1256 SND_SOC_NOPM, 0, 0), 1257 SND_SOC_DAPM_DAC("DAC Right2", "Right Rear HiFi Playback", 1258 SND_SOC_NOPM, 0, 0), 1259 SND_SOC_DAPM_DAC("DAC Left2", "Left Rear HiFi Playback", 1260 SND_SOC_NOPM, 0, 0), 1261 SND_SOC_DAPM_DAC("DAC Voice", "Voice Playback", 1262 SND_SOC_NOPM, 0, 0), 1263 1264 /* Analog bypasses */ 1265 SND_SOC_DAPM_SWITCH("Right1 Analog Loopback", SND_SOC_NOPM, 0, 0, 1266 &twl4030_dapm_abypassr1_control), 1267 SND_SOC_DAPM_SWITCH("Left1 Analog Loopback", SND_SOC_NOPM, 0, 0, 1268 &twl4030_dapm_abypassl1_control), 1269 SND_SOC_DAPM_SWITCH("Right2 Analog Loopback", SND_SOC_NOPM, 0, 0, 1270 &twl4030_dapm_abypassr2_control), 1271 SND_SOC_DAPM_SWITCH("Left2 Analog Loopback", SND_SOC_NOPM, 0, 0, 1272 &twl4030_dapm_abypassl2_control), 1273 SND_SOC_DAPM_SWITCH("Voice Analog Loopback", SND_SOC_NOPM, 0, 0, 1274 &twl4030_dapm_abypassv_control), 1275 1276 /* Master analog loopback switch */ 1277 SND_SOC_DAPM_SUPPLY("FM Loop Enable", TWL4030_REG_MISC_SET_1, 5, 0, 1278 NULL, 0), 1279 1280 /* Digital bypasses */ 1281 SND_SOC_DAPM_SWITCH("Left Digital Loopback", SND_SOC_NOPM, 0, 0, 1282 &twl4030_dapm_dbypassl_control), 1283 SND_SOC_DAPM_SWITCH("Right Digital Loopback", SND_SOC_NOPM, 0, 0, 1284 &twl4030_dapm_dbypassr_control), 1285 SND_SOC_DAPM_SWITCH("Voice Digital Loopback", SND_SOC_NOPM, 0, 0, 1286 &twl4030_dapm_dbypassv_control), 1287 1288 /* Digital mixers, power control for the physical DACs */ 1289 SND_SOC_DAPM_MIXER("Digital R1 Playback Mixer", 1290 TWL4030_REG_AVDAC_CTL, 0, 0, NULL, 0), 1291 SND_SOC_DAPM_MIXER("Digital L1 Playback Mixer", 1292 TWL4030_REG_AVDAC_CTL, 1, 0, NULL, 0), 1293 SND_SOC_DAPM_MIXER("Digital R2 Playback Mixer", 1294 TWL4030_REG_AVDAC_CTL, 2, 0, NULL, 0), 1295 SND_SOC_DAPM_MIXER("Digital L2 Playback Mixer", 1296 TWL4030_REG_AVDAC_CTL, 3, 0, NULL, 0), 1297 SND_SOC_DAPM_MIXER("Digital Voice Playback Mixer", 1298 TWL4030_REG_AVDAC_CTL, 4, 0, NULL, 0), 1299 1300 /* Analog mixers, power control for the physical PGAs */ 1301 SND_SOC_DAPM_MIXER("Analog R1 Playback Mixer", 1302 TWL4030_REG_ARXR1_APGA_CTL, 0, 0, NULL, 0), 1303 SND_SOC_DAPM_MIXER("Analog L1 Playback Mixer", 1304 TWL4030_REG_ARXL1_APGA_CTL, 0, 0, NULL, 0), 1305 SND_SOC_DAPM_MIXER("Analog R2 Playback Mixer", 1306 TWL4030_REG_ARXR2_APGA_CTL, 0, 0, NULL, 0), 1307 SND_SOC_DAPM_MIXER("Analog L2 Playback Mixer", 1308 TWL4030_REG_ARXL2_APGA_CTL, 0, 0, NULL, 0), 1309 SND_SOC_DAPM_MIXER("Analog Voice Playback Mixer", 1310 TWL4030_REG_VDL_APGA_CTL, 0, 0, NULL, 0), 1311 1312 SND_SOC_DAPM_SUPPLY("APLL Enable", SND_SOC_NOPM, 0, 0, apll_event, 1313 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD), 1314 1315 SND_SOC_DAPM_SUPPLY("AIF Enable", SND_SOC_NOPM, 0, 0, aif_event, 1316 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD), 1317 1318 /* Output MIXER controls */ 1319 /* Earpiece */ 1320 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0, 1321 &twl4030_dapm_earpiece_controls[0], 1322 ARRAY_SIZE(twl4030_dapm_earpiece_controls)), 1323 SND_SOC_DAPM_PGA_E("Earpiece PGA", SND_SOC_NOPM, 1324 0, 0, NULL, 0, earpiecepga_event, 1325 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1326 /* PreDrivL/R */ 1327 SND_SOC_DAPM_MIXER("PredriveL Mixer", SND_SOC_NOPM, 0, 0, 1328 &twl4030_dapm_predrivel_controls[0], 1329 ARRAY_SIZE(twl4030_dapm_predrivel_controls)), 1330 SND_SOC_DAPM_PGA_E("PredriveL PGA", SND_SOC_NOPM, 1331 0, 0, NULL, 0, predrivelpga_event, 1332 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1333 SND_SOC_DAPM_MIXER("PredriveR Mixer", SND_SOC_NOPM, 0, 0, 1334 &twl4030_dapm_predriver_controls[0], 1335 ARRAY_SIZE(twl4030_dapm_predriver_controls)), 1336 SND_SOC_DAPM_PGA_E("PredriveR PGA", SND_SOC_NOPM, 1337 0, 0, NULL, 0, predriverpga_event, 1338 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1339 /* HeadsetL/R */ 1340 SND_SOC_DAPM_MIXER("HeadsetL Mixer", SND_SOC_NOPM, 0, 0, 1341 &twl4030_dapm_hsol_controls[0], 1342 ARRAY_SIZE(twl4030_dapm_hsol_controls)), 1343 SND_SOC_DAPM_PGA_E("HeadsetL PGA", SND_SOC_NOPM, 1344 0, 0, NULL, 0, headsetlpga_event, 1345 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1346 SND_SOC_DAPM_MIXER("HeadsetR Mixer", SND_SOC_NOPM, 0, 0, 1347 &twl4030_dapm_hsor_controls[0], 1348 ARRAY_SIZE(twl4030_dapm_hsor_controls)), 1349 SND_SOC_DAPM_PGA_E("HeadsetR PGA", SND_SOC_NOPM, 1350 0, 0, NULL, 0, headsetrpga_event, 1351 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1352 /* CarkitL/R */ 1353 SND_SOC_DAPM_MIXER("CarkitL Mixer", SND_SOC_NOPM, 0, 0, 1354 &twl4030_dapm_carkitl_controls[0], 1355 ARRAY_SIZE(twl4030_dapm_carkitl_controls)), 1356 SND_SOC_DAPM_PGA_E("CarkitL PGA", SND_SOC_NOPM, 1357 0, 0, NULL, 0, carkitlpga_event, 1358 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1359 SND_SOC_DAPM_MIXER("CarkitR Mixer", SND_SOC_NOPM, 0, 0, 1360 &twl4030_dapm_carkitr_controls[0], 1361 ARRAY_SIZE(twl4030_dapm_carkitr_controls)), 1362 SND_SOC_DAPM_PGA_E("CarkitR PGA", SND_SOC_NOPM, 1363 0, 0, NULL, 0, carkitrpga_event, 1364 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1365 1366 /* Output MUX controls */ 1367 /* HandsfreeL/R */ 1368 SND_SOC_DAPM_MUX("HandsfreeL Mux", SND_SOC_NOPM, 0, 0, 1369 &twl4030_dapm_handsfreel_control), 1370 SND_SOC_DAPM_SWITCH("HandsfreeL", SND_SOC_NOPM, 0, 0, 1371 &twl4030_dapm_handsfreelmute_control), 1372 SND_SOC_DAPM_PGA_E("HandsfreeL PGA", SND_SOC_NOPM, 1373 0, 0, NULL, 0, handsfreelpga_event, 1374 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1375 SND_SOC_DAPM_MUX("HandsfreeR Mux", SND_SOC_NOPM, 5, 0, 1376 &twl4030_dapm_handsfreer_control), 1377 SND_SOC_DAPM_SWITCH("HandsfreeR", SND_SOC_NOPM, 0, 0, 1378 &twl4030_dapm_handsfreermute_control), 1379 SND_SOC_DAPM_PGA_E("HandsfreeR PGA", SND_SOC_NOPM, 1380 0, 0, NULL, 0, handsfreerpga_event, 1381 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1382 /* Vibra */ 1383 SND_SOC_DAPM_MUX_E("Vibra Mux", TWL4030_REG_VIBRA_CTL, 0, 0, 1384 &twl4030_dapm_vibra_control, vibramux_event, 1385 SND_SOC_DAPM_PRE_PMU), 1386 SND_SOC_DAPM_MUX("Vibra Route", SND_SOC_NOPM, 0, 0, 1387 &twl4030_dapm_vibrapath_control), 1388 1389 /* Introducing four virtual ADC, since TWL4030 have four channel for 1390 capture */ 1391 SND_SOC_DAPM_ADC("ADC Virtual Left1", "Left Front Capture", 1392 SND_SOC_NOPM, 0, 0), 1393 SND_SOC_DAPM_ADC("ADC Virtual Right1", "Right Front Capture", 1394 SND_SOC_NOPM, 0, 0), 1395 SND_SOC_DAPM_ADC("ADC Virtual Left2", "Left Rear Capture", 1396 SND_SOC_NOPM, 0, 0), 1397 SND_SOC_DAPM_ADC("ADC Virtual Right2", "Right Rear Capture", 1398 SND_SOC_NOPM, 0, 0), 1399 1400 /* Analog/Digital mic path selection. 1401 TX1 Left/Right: either analog Left/Right or Digimic0 1402 TX2 Left/Right: either analog Left/Right or Digimic1 */ 1403 SND_SOC_DAPM_MUX("TX1 Capture Route", SND_SOC_NOPM, 0, 0, 1404 &twl4030_dapm_micpathtx1_control), 1405 SND_SOC_DAPM_MUX("TX2 Capture Route", SND_SOC_NOPM, 0, 0, 1406 &twl4030_dapm_micpathtx2_control), 1407 1408 /* Analog input mixers for the capture amplifiers */ 1409 SND_SOC_DAPM_MIXER("Analog Left", 1410 TWL4030_REG_ANAMICL, 4, 0, 1411 &twl4030_dapm_analoglmic_controls[0], 1412 ARRAY_SIZE(twl4030_dapm_analoglmic_controls)), 1413 SND_SOC_DAPM_MIXER("Analog Right", 1414 TWL4030_REG_ANAMICR, 4, 0, 1415 &twl4030_dapm_analogrmic_controls[0], 1416 ARRAY_SIZE(twl4030_dapm_analogrmic_controls)), 1417 1418 SND_SOC_DAPM_PGA("ADC Physical Left", 1419 TWL4030_REG_AVADC_CTL, 3, 0, NULL, 0), 1420 SND_SOC_DAPM_PGA("ADC Physical Right", 1421 TWL4030_REG_AVADC_CTL, 1, 0, NULL, 0), 1422 1423 SND_SOC_DAPM_PGA_E("Digimic0 Enable", 1424 TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0, 1425 digimic_event, SND_SOC_DAPM_POST_PMU), 1426 SND_SOC_DAPM_PGA_E("Digimic1 Enable", 1427 TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0, 1428 digimic_event, SND_SOC_DAPM_POST_PMU), 1429 1430 SND_SOC_DAPM_SUPPLY("micbias1 select", TWL4030_REG_MICBIAS_CTL, 5, 0, 1431 NULL, 0), 1432 SND_SOC_DAPM_SUPPLY("micbias2 select", TWL4030_REG_MICBIAS_CTL, 6, 0, 1433 NULL, 0), 1434 1435 SND_SOC_DAPM_MICBIAS("Mic Bias 1", TWL4030_REG_MICBIAS_CTL, 0, 0), 1436 SND_SOC_DAPM_MICBIAS("Mic Bias 2", TWL4030_REG_MICBIAS_CTL, 1, 0), 1437 SND_SOC_DAPM_MICBIAS("Headset Mic Bias", TWL4030_REG_MICBIAS_CTL, 2, 0), 1438 1439}; 1440 1441static const struct snd_soc_dapm_route intercon[] = { 1442 {"Digital L1 Playback Mixer", NULL, "DAC Left1"}, 1443 {"Digital R1 Playback Mixer", NULL, "DAC Right1"}, 1444 {"Digital L2 Playback Mixer", NULL, "DAC Left2"}, 1445 {"Digital R2 Playback Mixer", NULL, "DAC Right2"}, 1446 {"Digital Voice Playback Mixer", NULL, "DAC Voice"}, 1447 1448 /* Supply for the digital part (APLL) */ 1449 {"Digital Voice Playback Mixer", NULL, "APLL Enable"}, 1450 1451 {"DAC Left1", NULL, "AIF Enable"}, 1452 {"DAC Right1", NULL, "AIF Enable"}, 1453 {"DAC Left2", NULL, "AIF Enable"}, 1454 {"DAC Right1", NULL, "AIF Enable"}, 1455 1456 {"Digital R2 Playback Mixer", NULL, "AIF Enable"}, 1457 {"Digital L2 Playback Mixer", NULL, "AIF Enable"}, 1458 1459 {"Analog L1 Playback Mixer", NULL, "Digital L1 Playback Mixer"}, 1460 {"Analog R1 Playback Mixer", NULL, "Digital R1 Playback Mixer"}, 1461 {"Analog L2 Playback Mixer", NULL, "Digital L2 Playback Mixer"}, 1462 {"Analog R2 Playback Mixer", NULL, "Digital R2 Playback Mixer"}, 1463 {"Analog Voice Playback Mixer", NULL, "Digital Voice Playback Mixer"}, 1464 1465 /* Internal playback routings */ 1466 /* Earpiece */ 1467 {"Earpiece Mixer", "Voice", "Analog Voice Playback Mixer"}, 1468 {"Earpiece Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1469 {"Earpiece Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1470 {"Earpiece Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1471 {"Earpiece PGA", NULL, "Earpiece Mixer"}, 1472 /* PreDrivL */ 1473 {"PredriveL Mixer", "Voice", "Analog Voice Playback Mixer"}, 1474 {"PredriveL Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1475 {"PredriveL Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1476 {"PredriveL Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1477 {"PredriveL PGA", NULL, "PredriveL Mixer"}, 1478 /* PreDrivR */ 1479 {"PredriveR Mixer", "Voice", "Analog Voice Playback Mixer"}, 1480 {"PredriveR Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1481 {"PredriveR Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1482 {"PredriveR Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1483 {"PredriveR PGA", NULL, "PredriveR Mixer"}, 1484 /* HeadsetL */ 1485 {"HeadsetL Mixer", "Voice", "Analog Voice Playback Mixer"}, 1486 {"HeadsetL Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1487 {"HeadsetL Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1488 {"HeadsetL PGA", NULL, "HeadsetL Mixer"}, 1489 /* HeadsetR */ 1490 {"HeadsetR Mixer", "Voice", "Analog Voice Playback Mixer"}, 1491 {"HeadsetR Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1492 {"HeadsetR Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1493 {"HeadsetR PGA", NULL, "HeadsetR Mixer"}, 1494 /* CarkitL */ 1495 {"CarkitL Mixer", "Voice", "Analog Voice Playback Mixer"}, 1496 {"CarkitL Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1497 {"CarkitL Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1498 {"CarkitL PGA", NULL, "CarkitL Mixer"}, 1499 /* CarkitR */ 1500 {"CarkitR Mixer", "Voice", "Analog Voice Playback Mixer"}, 1501 {"CarkitR Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1502 {"CarkitR Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1503 {"CarkitR PGA", NULL, "CarkitR Mixer"}, 1504 /* HandsfreeL */ 1505 {"HandsfreeL Mux", "Voice", "Analog Voice Playback Mixer"}, 1506 {"HandsfreeL Mux", "AudioL1", "Analog L1 Playback Mixer"}, 1507 {"HandsfreeL Mux", "AudioL2", "Analog L2 Playback Mixer"}, 1508 {"HandsfreeL Mux", "AudioR2", "Analog R2 Playback Mixer"}, 1509 {"HandsfreeL", "Switch", "HandsfreeL Mux"}, 1510 {"HandsfreeL PGA", NULL, "HandsfreeL"}, 1511 /* HandsfreeR */ 1512 {"HandsfreeR Mux", "Voice", "Analog Voice Playback Mixer"}, 1513 {"HandsfreeR Mux", "AudioR1", "Analog R1 Playback Mixer"}, 1514 {"HandsfreeR Mux", "AudioR2", "Analog R2 Playback Mixer"}, 1515 {"HandsfreeR Mux", "AudioL2", "Analog L2 Playback Mixer"}, 1516 {"HandsfreeR", "Switch", "HandsfreeR Mux"}, 1517 {"HandsfreeR PGA", NULL, "HandsfreeR"}, 1518 /* Vibra */ 1519 {"Vibra Mux", "AudioL1", "DAC Left1"}, 1520 {"Vibra Mux", "AudioR1", "DAC Right1"}, 1521 {"Vibra Mux", "AudioL2", "DAC Left2"}, 1522 {"Vibra Mux", "AudioR2", "DAC Right2"}, 1523 1524 /* outputs */ 1525 /* Must be always connected (for AIF and APLL) */ 1526 {"Virtual HiFi OUT", NULL, "DAC Left1"}, 1527 {"Virtual HiFi OUT", NULL, "DAC Right1"}, 1528 {"Virtual HiFi OUT", NULL, "DAC Left2"}, 1529 {"Virtual HiFi OUT", NULL, "DAC Right2"}, 1530 /* Must be always connected (for APLL) */ 1531 {"Virtual Voice OUT", NULL, "Digital Voice Playback Mixer"}, 1532 /* Physical outputs */ 1533 {"EARPIECE", NULL, "Earpiece PGA"}, 1534 {"PREDRIVEL", NULL, "PredriveL PGA"}, 1535 {"PREDRIVER", NULL, "PredriveR PGA"}, 1536 {"HSOL", NULL, "HeadsetL PGA"}, 1537 {"HSOR", NULL, "HeadsetR PGA"}, 1538 {"CARKITL", NULL, "CarkitL PGA"}, 1539 {"CARKITR", NULL, "CarkitR PGA"}, 1540 {"HFL", NULL, "HandsfreeL PGA"}, 1541 {"HFR", NULL, "HandsfreeR PGA"}, 1542 {"Vibra Route", "Audio", "Vibra Mux"}, 1543 {"VIBRA", NULL, "Vibra Route"}, 1544 1545 /* Capture path */ 1546 /* Must be always connected (for AIF and APLL) */ 1547 {"ADC Virtual Left1", NULL, "Virtual HiFi IN"}, 1548 {"ADC Virtual Right1", NULL, "Virtual HiFi IN"}, 1549 {"ADC Virtual Left2", NULL, "Virtual HiFi IN"}, 1550 {"ADC Virtual Right2", NULL, "Virtual HiFi IN"}, 1551 /* Physical inputs */ 1552 {"Analog Left", "Main Mic Capture Switch", "MAINMIC"}, 1553 {"Analog Left", "Headset Mic Capture Switch", "HSMIC"}, 1554 {"Analog Left", "AUXL Capture Switch", "AUXL"}, 1555 {"Analog Left", "Carkit Mic Capture Switch", "CARKITMIC"}, 1556 1557 {"Analog Right", "Sub Mic Capture Switch", "SUBMIC"}, 1558 {"Analog Right", "AUXR Capture Switch", "AUXR"}, 1559 1560 {"ADC Physical Left", NULL, "Analog Left"}, 1561 {"ADC Physical Right", NULL, "Analog Right"}, 1562 1563 {"Digimic0 Enable", NULL, "DIGIMIC0"}, 1564 {"Digimic1 Enable", NULL, "DIGIMIC1"}, 1565 1566 {"DIGIMIC0", NULL, "micbias1 select"}, 1567 {"DIGIMIC1", NULL, "micbias2 select"}, 1568 1569 /* TX1 Left capture path */ 1570 {"TX1 Capture Route", "Analog", "ADC Physical Left"}, 1571 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"}, 1572 /* TX1 Right capture path */ 1573 {"TX1 Capture Route", "Analog", "ADC Physical Right"}, 1574 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"}, 1575 /* TX2 Left capture path */ 1576 {"TX2 Capture Route", "Analog", "ADC Physical Left"}, 1577 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"}, 1578 /* TX2 Right capture path */ 1579 {"TX2 Capture Route", "Analog", "ADC Physical Right"}, 1580 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"}, 1581 1582 {"ADC Virtual Left1", NULL, "TX1 Capture Route"}, 1583 {"ADC Virtual Right1", NULL, "TX1 Capture Route"}, 1584 {"ADC Virtual Left2", NULL, "TX2 Capture Route"}, 1585 {"ADC Virtual Right2", NULL, "TX2 Capture Route"}, 1586 1587 {"ADC Virtual Left1", NULL, "AIF Enable"}, 1588 {"ADC Virtual Right1", NULL, "AIF Enable"}, 1589 {"ADC Virtual Left2", NULL, "AIF Enable"}, 1590 {"ADC Virtual Right2", NULL, "AIF Enable"}, 1591 1592 /* Analog bypass routes */ 1593 {"Right1 Analog Loopback", "Switch", "Analog Right"}, 1594 {"Left1 Analog Loopback", "Switch", "Analog Left"}, 1595 {"Right2 Analog Loopback", "Switch", "Analog Right"}, 1596 {"Left2 Analog Loopback", "Switch", "Analog Left"}, 1597 {"Voice Analog Loopback", "Switch", "Analog Left"}, 1598 1599 /* Supply for the Analog loopbacks */ 1600 {"Right1 Analog Loopback", NULL, "FM Loop Enable"}, 1601 {"Left1 Analog Loopback", NULL, "FM Loop Enable"}, 1602 {"Right2 Analog Loopback", NULL, "FM Loop Enable"}, 1603 {"Left2 Analog Loopback", NULL, "FM Loop Enable"}, 1604 {"Voice Analog Loopback", NULL, "FM Loop Enable"}, 1605 1606 {"Analog R1 Playback Mixer", NULL, "Right1 Analog Loopback"}, 1607 {"Analog L1 Playback Mixer", NULL, "Left1 Analog Loopback"}, 1608 {"Analog R2 Playback Mixer", NULL, "Right2 Analog Loopback"}, 1609 {"Analog L2 Playback Mixer", NULL, "Left2 Analog Loopback"}, 1610 {"Analog Voice Playback Mixer", NULL, "Voice Analog Loopback"}, 1611 1612 /* Digital bypass routes */ 1613 {"Right Digital Loopback", "Volume", "TX1 Capture Route"}, 1614 {"Left Digital Loopback", "Volume", "TX1 Capture Route"}, 1615 {"Voice Digital Loopback", "Volume", "TX2 Capture Route"}, 1616 1617 {"Digital R2 Playback Mixer", NULL, "Right Digital Loopback"}, 1618 {"Digital L2 Playback Mixer", NULL, "Left Digital Loopback"}, 1619 {"Digital Voice Playback Mixer", NULL, "Voice Digital Loopback"}, 1620 1621}; 1622 1623static int twl4030_add_widgets(struct snd_soc_codec *codec) 1624{ 1625 snd_soc_dapm_new_controls(codec, twl4030_dapm_widgets, 1626 ARRAY_SIZE(twl4030_dapm_widgets)); 1627 1628 snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon)); 1629 1630 return 0; 1631} 1632 1633static int twl4030_set_bias_level(struct snd_soc_codec *codec, 1634 enum snd_soc_bias_level level) 1635{ 1636 switch (level) { 1637 case SND_SOC_BIAS_ON: 1638 break; 1639 case SND_SOC_BIAS_PREPARE: 1640 break; 1641 case SND_SOC_BIAS_STANDBY: 1642 if (codec->bias_level == SND_SOC_BIAS_OFF) 1643 twl4030_codec_enable(codec, 1); 1644 break; 1645 case SND_SOC_BIAS_OFF: 1646 twl4030_codec_enable(codec, 0); 1647 break; 1648 } 1649 codec->bias_level = level; 1650 1651 return 0; 1652} 1653 1654static void twl4030_constraints(struct twl4030_priv *twl4030, 1655 struct snd_pcm_substream *mst_substream) 1656{ 1657 struct snd_pcm_substream *slv_substream; 1658 1659 /* Pick the stream, which need to be constrained */ 1660 if (mst_substream == twl4030->master_substream) 1661 slv_substream = twl4030->slave_substream; 1662 else if (mst_substream == twl4030->slave_substream) 1663 slv_substream = twl4030->master_substream; 1664 else /* This should not happen.. */ 1665 return; 1666 1667 /* Set the constraints according to the already configured stream */ 1668 snd_pcm_hw_constraint_minmax(slv_substream->runtime, 1669 SNDRV_PCM_HW_PARAM_RATE, 1670 twl4030->rate, 1671 twl4030->rate); 1672 1673 snd_pcm_hw_constraint_minmax(slv_substream->runtime, 1674 SNDRV_PCM_HW_PARAM_SAMPLE_BITS, 1675 twl4030->sample_bits, 1676 twl4030->sample_bits); 1677 1678 snd_pcm_hw_constraint_minmax(slv_substream->runtime, 1679 SNDRV_PCM_HW_PARAM_CHANNELS, 1680 twl4030->channels, 1681 twl4030->channels); 1682} 1683 1684/* In case of 4 channel mode, the RX1 L/R for playback and the TX2 L/R for 1685 * capture has to be enabled/disabled. */ 1686static void twl4030_tdm_enable(struct snd_soc_codec *codec, int direction, 1687 int enable) 1688{ 1689 u8 reg, mask; 1690 1691 reg = twl4030_read_reg_cache(codec, TWL4030_REG_OPTION); 1692 1693 if (direction == SNDRV_PCM_STREAM_PLAYBACK) 1694 mask = TWL4030_ARXL1_VRX_EN | TWL4030_ARXR1_EN; 1695 else 1696 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN; 1697 1698 if (enable) 1699 reg |= mask; 1700 else 1701 reg &= ~mask; 1702 1703 twl4030_write(codec, TWL4030_REG_OPTION, reg); 1704} 1705 1706static int twl4030_startup(struct snd_pcm_substream *substream, 1707 struct snd_soc_dai *dai) 1708{ 1709 struct snd_soc_pcm_runtime *rtd = substream->private_data; 1710 struct snd_soc_device *socdev = rtd->socdev; 1711 struct snd_soc_codec *codec = socdev->card->codec; 1712 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1713 1714 if (twl4030->master_substream) { 1715 twl4030->slave_substream = substream; 1716 /* The DAI has one configuration for playback and capture, so 1717 * if the DAI has been already configured then constrain this 1718 * substream to match it. */ 1719 if (twl4030->configured) 1720 twl4030_constraints(twl4030, twl4030->master_substream); 1721 } else { 1722 if (!(twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE) & 1723 TWL4030_OPTION_1)) { 1724 /* In option2 4 channel is not supported, set the 1725 * constraint for the first stream for channels, the 1726 * second stream will 'inherit' this cosntraint */ 1727 snd_pcm_hw_constraint_minmax(substream->runtime, 1728 SNDRV_PCM_HW_PARAM_CHANNELS, 1729 2, 2); 1730 } 1731 twl4030->master_substream = substream; 1732 } 1733 1734 return 0; 1735} 1736 1737static void twl4030_shutdown(struct snd_pcm_substream *substream, 1738 struct snd_soc_dai *dai) 1739{ 1740 struct snd_soc_pcm_runtime *rtd = substream->private_data; 1741 struct snd_soc_device *socdev = rtd->socdev; 1742 struct snd_soc_codec *codec = socdev->card->codec; 1743 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1744 1745 if (twl4030->master_substream == substream) 1746 twl4030->master_substream = twl4030->slave_substream; 1747 1748 twl4030->slave_substream = NULL; 1749 1750 /* If all streams are closed, or the remaining stream has not yet 1751 * been configured than set the DAI as not configured. */ 1752 if (!twl4030->master_substream) 1753 twl4030->configured = 0; 1754 else if (!twl4030->master_substream->runtime->channels) 1755 twl4030->configured = 0; 1756 1757 /* If the closing substream had 4 channel, do the necessary cleanup */ 1758 if (substream->runtime->channels == 4) 1759 twl4030_tdm_enable(codec, substream->stream, 0); 1760} 1761 1762static int twl4030_hw_params(struct snd_pcm_substream *substream, 1763 struct snd_pcm_hw_params *params, 1764 struct snd_soc_dai *dai) 1765{ 1766 struct snd_soc_pcm_runtime *rtd = substream->private_data; 1767 struct snd_soc_device *socdev = rtd->socdev; 1768 struct snd_soc_codec *codec = socdev->card->codec; 1769 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1770 u8 mode, old_mode, format, old_format; 1771 1772 /* If the substream has 4 channel, do the necessary setup */ 1773 if (params_channels(params) == 4) { 1774 format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF); 1775 mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE); 1776 1777 /* Safety check: are we in the correct operating mode and 1778 * the interface is in TDM mode? */ 1779 if ((mode & TWL4030_OPTION_1) && 1780 ((format & TWL4030_AIF_FORMAT) == TWL4030_AIF_FORMAT_TDM)) 1781 twl4030_tdm_enable(codec, substream->stream, 1); 1782 else 1783 return -EINVAL; 1784 } 1785 1786 if (twl4030->configured) 1787 /* Ignoring hw_params for already configured DAI */ 1788 return 0; 1789 1790 /* bit rate */ 1791 old_mode = twl4030_read_reg_cache(codec, 1792 TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ; 1793 mode = old_mode & ~TWL4030_APLL_RATE; 1794 1795 switch (params_rate(params)) { 1796 case 8000: 1797 mode |= TWL4030_APLL_RATE_8000; 1798 break; 1799 case 11025: 1800 mode |= TWL4030_APLL_RATE_11025; 1801 break; 1802 case 12000: 1803 mode |= TWL4030_APLL_RATE_12000; 1804 break; 1805 case 16000: 1806 mode |= TWL4030_APLL_RATE_16000; 1807 break; 1808 case 22050: 1809 mode |= TWL4030_APLL_RATE_22050; 1810 break; 1811 case 24000: 1812 mode |= TWL4030_APLL_RATE_24000; 1813 break; 1814 case 32000: 1815 mode |= TWL4030_APLL_RATE_32000; 1816 break; 1817 case 44100: 1818 mode |= TWL4030_APLL_RATE_44100; 1819 break; 1820 case 48000: 1821 mode |= TWL4030_APLL_RATE_48000; 1822 break; 1823 case 96000: 1824 mode |= TWL4030_APLL_RATE_96000; 1825 break; 1826 default: 1827 printk(KERN_ERR "TWL4030 hw params: unknown rate %d\n", 1828 params_rate(params)); 1829 return -EINVAL; 1830 } 1831 1832 /* sample size */ 1833 old_format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF); 1834 format = old_format; 1835 format &= ~TWL4030_DATA_WIDTH; 1836 switch (params_format(params)) { 1837 case SNDRV_PCM_FORMAT_S16_LE: 1838 format |= TWL4030_DATA_WIDTH_16S_16W; 1839 break; 1840 case SNDRV_PCM_FORMAT_S24_LE: 1841 format |= TWL4030_DATA_WIDTH_32S_24W; 1842 break; 1843 default: 1844 printk(KERN_ERR "TWL4030 hw params: unknown format %d\n", 1845 params_format(params)); 1846 return -EINVAL; 1847 } 1848 1849 if (format != old_format || mode != old_mode) { 1850 if (twl4030->codec_powered) { 1851 /* 1852 * If the codec is powered, than we need to toggle the 1853 * codec power. 1854 */ 1855 twl4030_codec_enable(codec, 0); 1856 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 1857 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1858 twl4030_codec_enable(codec, 1); 1859 } else { 1860 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 1861 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1862 } 1863 } 1864 1865 /* Store the important parameters for the DAI configuration and set 1866 * the DAI as configured */ 1867 twl4030->configured = 1; 1868 twl4030->rate = params_rate(params); 1869 twl4030->sample_bits = hw_param_interval(params, 1870 SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min; 1871 twl4030->channels = params_channels(params); 1872 1873 /* If both playback and capture streams are open, and one of them 1874 * is setting the hw parameters right now (since we are here), set 1875 * constraints to the other stream to match the current one. */ 1876 if (twl4030->slave_substream) 1877 twl4030_constraints(twl4030, substream); 1878 1879 return 0; 1880} 1881 1882static int twl4030_set_dai_sysclk(struct snd_soc_dai *codec_dai, 1883 int clk_id, unsigned int freq, int dir) 1884{ 1885 struct snd_soc_codec *codec = codec_dai->codec; 1886 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1887 1888 switch (freq) { 1889 case 19200000: 1890 case 26000000: 1891 case 38400000: 1892 break; 1893 default: 1894 dev_err(codec->dev, "Unsupported APLL mclk: %u\n", freq); 1895 return -EINVAL; 1896 } 1897 1898 if ((freq / 1000) != twl4030->sysclk) { 1899 dev_err(codec->dev, 1900 "Mismatch in APLL mclk: %u (configured: %u)\n", 1901 freq, twl4030->sysclk * 1000); 1902 return -EINVAL; 1903 } 1904 1905 return 0; 1906} 1907 1908static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai, 1909 unsigned int fmt) 1910{ 1911 struct snd_soc_codec *codec = codec_dai->codec; 1912 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1913 u8 old_format, format; 1914 1915 /* get format */ 1916 old_format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF); 1917 format = old_format; 1918 1919 /* set master/slave audio interface */ 1920 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1921 case SND_SOC_DAIFMT_CBM_CFM: 1922 format &= ~(TWL4030_AIF_SLAVE_EN); 1923 format &= ~(TWL4030_CLK256FS_EN); 1924 break; 1925 case SND_SOC_DAIFMT_CBS_CFS: 1926 format |= TWL4030_AIF_SLAVE_EN; 1927 format |= TWL4030_CLK256FS_EN; 1928 break; 1929 default: 1930 return -EINVAL; 1931 } 1932 1933 /* interface format */ 1934 format &= ~TWL4030_AIF_FORMAT; 1935 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1936 case SND_SOC_DAIFMT_I2S: 1937 format |= TWL4030_AIF_FORMAT_CODEC; 1938 break; 1939 case SND_SOC_DAIFMT_DSP_A: 1940 format |= TWL4030_AIF_FORMAT_TDM; 1941 break; 1942 default: 1943 return -EINVAL; 1944 } 1945 1946 if (format != old_format) { 1947 if (twl4030->codec_powered) { 1948 /* 1949 * If the codec is powered, than we need to toggle the 1950 * codec power. 1951 */ 1952 twl4030_codec_enable(codec, 0); 1953 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1954 twl4030_codec_enable(codec, 1); 1955 } else { 1956 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1957 } 1958 } 1959 1960 return 0; 1961} 1962 1963static int twl4030_set_tristate(struct snd_soc_dai *dai, int tristate) 1964{ 1965 struct snd_soc_codec *codec = dai->codec; 1966 u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF); 1967 1968 if (tristate) 1969 reg |= TWL4030_AIF_TRI_EN; 1970 else 1971 reg &= ~TWL4030_AIF_TRI_EN; 1972 1973 return twl4030_write(codec, TWL4030_REG_AUDIO_IF, reg); 1974} 1975 1976/* In case of voice mode, the RX1 L(VRX) for downlink and the TX2 L/R 1977 * (VTXL, VTXR) for uplink has to be enabled/disabled. */ 1978static void twl4030_voice_enable(struct snd_soc_codec *codec, int direction, 1979 int enable) 1980{ 1981 u8 reg, mask; 1982 1983 reg = twl4030_read_reg_cache(codec, TWL4030_REG_OPTION); 1984 1985 if (direction == SNDRV_PCM_STREAM_PLAYBACK) 1986 mask = TWL4030_ARXL1_VRX_EN; 1987 else 1988 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN; 1989 1990 if (enable) 1991 reg |= mask; 1992 else 1993 reg &= ~mask; 1994 1995 twl4030_write(codec, TWL4030_REG_OPTION, reg); 1996} 1997 1998static int twl4030_voice_startup(struct snd_pcm_substream *substream, 1999 struct snd_soc_dai *dai) 2000{ 2001 struct snd_soc_pcm_runtime *rtd = substream->private_data; 2002 struct snd_soc_device *socdev = rtd->socdev; 2003 struct snd_soc_codec *codec = socdev->card->codec; 2004 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2005 u8 mode; 2006 2007 /* If the system master clock is not 26MHz, the voice PCM interface is 2008 * not avilable. 2009 */ 2010 if (twl4030->sysclk != 26000) { 2011 dev_err(codec->dev, "The board is configured for %u Hz, while" 2012 "the Voice interface needs 26MHz APLL mclk\n", 2013 twl4030->sysclk * 1000); 2014 return -EINVAL; 2015 } 2016 2017 /* If the codec mode is not option2, the voice PCM interface is not 2018 * avilable. 2019 */ 2020 mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE) 2021 & TWL4030_OPT_MODE; 2022 2023 if (mode != TWL4030_OPTION_2) { 2024 printk(KERN_ERR "TWL4030 voice startup: " 2025 "the codec mode is not option2\n"); 2026 return -EINVAL; 2027 } 2028 2029 return 0; 2030} 2031 2032static void twl4030_voice_shutdown(struct snd_pcm_substream *substream, 2033 struct snd_soc_dai *dai) 2034{ 2035 struct snd_soc_pcm_runtime *rtd = substream->private_data; 2036 struct snd_soc_device *socdev = rtd->socdev; 2037 struct snd_soc_codec *codec = socdev->card->codec; 2038 2039 /* Enable voice digital filters */ 2040 twl4030_voice_enable(codec, substream->stream, 0); 2041} 2042 2043static int twl4030_voice_hw_params(struct snd_pcm_substream *substream, 2044 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) 2045{ 2046 struct snd_soc_pcm_runtime *rtd = substream->private_data; 2047 struct snd_soc_device *socdev = rtd->socdev; 2048 struct snd_soc_codec *codec = socdev->card->codec; 2049 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2050 u8 old_mode, mode; 2051 2052 /* Enable voice digital filters */ 2053 twl4030_voice_enable(codec, substream->stream, 1); 2054 2055 /* bit rate */ 2056 old_mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE) 2057 & ~(TWL4030_CODECPDZ); 2058 mode = old_mode; 2059 2060 switch (params_rate(params)) { 2061 case 8000: 2062 mode &= ~(TWL4030_SEL_16K); 2063 break; 2064 case 16000: 2065 mode |= TWL4030_SEL_16K; 2066 break; 2067 default: 2068 printk(KERN_ERR "TWL4030 voice hw params: unknown rate %d\n", 2069 params_rate(params)); 2070 return -EINVAL; 2071 } 2072 2073 if (mode != old_mode) { 2074 if (twl4030->codec_powered) { 2075 /* 2076 * If the codec is powered, than we need to toggle the 2077 * codec power. 2078 */ 2079 twl4030_codec_enable(codec, 0); 2080 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 2081 twl4030_codec_enable(codec, 1); 2082 } else { 2083 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 2084 } 2085 } 2086 2087 return 0; 2088} 2089 2090static int twl4030_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai, 2091 int clk_id, unsigned int freq, int dir) 2092{ 2093 struct snd_soc_codec *codec = codec_dai->codec; 2094 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2095 2096 if (freq != 26000000) { 2097 dev_err(codec->dev, "Unsupported APLL mclk: %u, the Voice" 2098 "interface needs 26MHz APLL mclk\n", freq); 2099 return -EINVAL; 2100 } 2101 if ((freq / 1000) != twl4030->sysclk) { 2102 dev_err(codec->dev, 2103 "Mismatch in APLL mclk: %u (configured: %u)\n", 2104 freq, twl4030->sysclk * 1000); 2105 return -EINVAL; 2106 } 2107 return 0; 2108} 2109 2110static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai, 2111 unsigned int fmt) 2112{ 2113 struct snd_soc_codec *codec = codec_dai->codec; 2114 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2115 u8 old_format, format; 2116 2117 /* get format */ 2118 old_format = twl4030_read_reg_cache(codec, TWL4030_REG_VOICE_IF); 2119 format = old_format; 2120 2121 /* set master/slave audio interface */ 2122 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 2123 case SND_SOC_DAIFMT_CBM_CFM: 2124 format &= ~(TWL4030_VIF_SLAVE_EN); 2125 break; 2126 case SND_SOC_DAIFMT_CBS_CFS: 2127 format |= TWL4030_VIF_SLAVE_EN; 2128 break; 2129 default: 2130 return -EINVAL; 2131 } 2132 2133 /* clock inversion */ 2134 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 2135 case SND_SOC_DAIFMT_IB_NF: 2136 format &= ~(TWL4030_VIF_FORMAT); 2137 break; 2138 case SND_SOC_DAIFMT_NB_IF: 2139 format |= TWL4030_VIF_FORMAT; 2140 break; 2141 default: 2142 return -EINVAL; 2143 } 2144 2145 if (format != old_format) { 2146 if (twl4030->codec_powered) { 2147 /* 2148 * If the codec is powered, than we need to toggle the 2149 * codec power. 2150 */ 2151 twl4030_codec_enable(codec, 0); 2152 twl4030_write(codec, TWL4030_REG_VOICE_IF, format); 2153 twl4030_codec_enable(codec, 1); 2154 } else { 2155 twl4030_write(codec, TWL4030_REG_VOICE_IF, format); 2156 } 2157 } 2158 2159 return 0; 2160} 2161 2162static int twl4030_voice_set_tristate(struct snd_soc_dai *dai, int tristate) 2163{ 2164 struct snd_soc_codec *codec = dai->codec; 2165 u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_VOICE_IF); 2166 2167 if (tristate) 2168 reg |= TWL4030_VIF_TRI_EN; 2169 else 2170 reg &= ~TWL4030_VIF_TRI_EN; 2171 2172 return twl4030_write(codec, TWL4030_REG_VOICE_IF, reg); 2173} 2174 2175#define TWL4030_RATES (SNDRV_PCM_RATE_8000_48000) 2176#define TWL4030_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE) 2177 2178static struct snd_soc_dai_ops twl4030_dai_ops = { 2179 .startup = twl4030_startup, 2180 .shutdown = twl4030_shutdown, 2181 .hw_params = twl4030_hw_params, 2182 .set_sysclk = twl4030_set_dai_sysclk, 2183 .set_fmt = twl4030_set_dai_fmt, 2184 .set_tristate = twl4030_set_tristate, 2185}; 2186 2187static struct snd_soc_dai_ops twl4030_dai_voice_ops = { 2188 .startup = twl4030_voice_startup, 2189 .shutdown = twl4030_voice_shutdown, 2190 .hw_params = twl4030_voice_hw_params, 2191 .set_sysclk = twl4030_voice_set_dai_sysclk, 2192 .set_fmt = twl4030_voice_set_dai_fmt, 2193 .set_tristate = twl4030_voice_set_tristate, 2194}; 2195 2196struct snd_soc_dai twl4030_dai[] = { 2197{ 2198 .name = "twl4030", 2199 .playback = { 2200 .stream_name = "HiFi Playback", 2201 .channels_min = 2, 2202 .channels_max = 4, 2203 .rates = TWL4030_RATES | SNDRV_PCM_RATE_96000, 2204 .formats = TWL4030_FORMATS,}, 2205 .capture = { 2206 .stream_name = "Capture", 2207 .channels_min = 2, 2208 .channels_max = 4, 2209 .rates = TWL4030_RATES, 2210 .formats = TWL4030_FORMATS,}, 2211 .ops = &twl4030_dai_ops, 2212}, 2213{ 2214 .name = "twl4030 Voice", 2215 .playback = { 2216 .stream_name = "Voice Playback", 2217 .channels_min = 1, 2218 .channels_max = 1, 2219 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, 2220 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 2221 .capture = { 2222 .stream_name = "Capture", 2223 .channels_min = 1, 2224 .channels_max = 2, 2225 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, 2226 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 2227 .ops = &twl4030_dai_voice_ops, 2228}, 2229}; 2230EXPORT_SYMBOL_GPL(twl4030_dai); 2231 2232static int twl4030_soc_suspend(struct platform_device *pdev, pm_message_t state) 2233{ 2234 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 2235 struct snd_soc_codec *codec = socdev->card->codec; 2236 2237 twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF); 2238 2239 return 0; 2240} 2241 2242static int twl4030_soc_resume(struct platform_device *pdev) 2243{ 2244 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 2245 struct snd_soc_codec *codec = socdev->card->codec; 2246 2247 twl4030_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 2248 return 0; 2249} 2250 2251static struct snd_soc_codec *twl4030_codec; 2252 2253static int twl4030_soc_probe(struct platform_device *pdev) 2254{ 2255 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 2256 struct snd_soc_codec *codec; 2257 int ret; 2258 2259 BUG_ON(!twl4030_codec); 2260 2261 codec = twl4030_codec; 2262 socdev->card->codec = codec; 2263 2264 twl4030_init_chip(pdev); 2265 2266 /* register pcms */ 2267 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); 2268 if (ret < 0) { 2269 dev_err(&pdev->dev, "failed to create pcms\n"); 2270 return ret; 2271 } 2272 2273 snd_soc_add_controls(codec, twl4030_snd_controls, 2274 ARRAY_SIZE(twl4030_snd_controls)); 2275 twl4030_add_widgets(codec); 2276 2277 return 0; 2278} 2279 2280static int twl4030_soc_remove(struct platform_device *pdev) 2281{ 2282 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 2283 struct snd_soc_codec *codec = socdev->card->codec; 2284 2285 /* Reset registers to their chip default before leaving */ 2286 twl4030_reset_registers(codec); 2287 twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF); 2288 snd_soc_free_pcms(socdev); 2289 snd_soc_dapm_free(socdev); 2290 2291 return 0; 2292} 2293 2294static int __devinit twl4030_codec_probe(struct platform_device *pdev) 2295{ 2296 struct twl4030_codec_audio_data *pdata = pdev->dev.platform_data; 2297 struct snd_soc_codec *codec; 2298 struct twl4030_priv *twl4030; 2299 int ret; 2300 2301 if (!pdata) { 2302 dev_err(&pdev->dev, "platform_data is missing\n"); 2303 return -EINVAL; 2304 } 2305 2306 twl4030 = kzalloc(sizeof(struct twl4030_priv), GFP_KERNEL); 2307 if (twl4030 == NULL) { 2308 dev_err(&pdev->dev, "Can not allocate memroy\n"); 2309 return -ENOMEM; 2310 } 2311 2312 codec = &twl4030->codec; 2313 snd_soc_codec_set_drvdata(codec, twl4030); 2314 codec->dev = &pdev->dev; 2315 twl4030_dai[0].dev = &pdev->dev; 2316 twl4030_dai[1].dev = &pdev->dev; 2317 2318 mutex_init(&codec->mutex); 2319 INIT_LIST_HEAD(&codec->dapm_widgets); 2320 INIT_LIST_HEAD(&codec->dapm_paths); 2321 2322 codec->name = "twl4030"; 2323 codec->owner = THIS_MODULE; 2324 codec->read = twl4030_read_reg_cache; 2325 codec->write = twl4030_write; 2326 codec->set_bias_level = twl4030_set_bias_level; 2327 codec->idle_bias_off = 1; 2328 codec->dai = twl4030_dai; 2329 codec->num_dai = ARRAY_SIZE(twl4030_dai); 2330 codec->reg_cache_size = sizeof(twl4030_reg); 2331 codec->reg_cache = kmemdup(twl4030_reg, sizeof(twl4030_reg), 2332 GFP_KERNEL); 2333 if (codec->reg_cache == NULL) { 2334 ret = -ENOMEM; 2335 goto error_cache; 2336 } 2337 2338 platform_set_drvdata(pdev, twl4030); 2339 twl4030_codec = codec; 2340 2341 /* Set the defaults, and power up the codec */ 2342 twl4030->sysclk = twl4030_codec_get_mclk() / 1000; 2343 codec->bias_level = SND_SOC_BIAS_OFF; 2344 2345 ret = snd_soc_register_codec(codec); 2346 if (ret != 0) { 2347 dev_err(codec->dev, "Failed to register codec: %d\n", ret); 2348 goto error_codec; 2349 } 2350 2351 ret = snd_soc_register_dais(&twl4030_dai[0], ARRAY_SIZE(twl4030_dai)); 2352 if (ret != 0) { 2353 dev_err(codec->dev, "Failed to register DAIs: %d\n", ret); 2354 snd_soc_unregister_codec(codec); 2355 goto error_codec; 2356 } 2357 2358 return 0; 2359 2360error_codec: 2361 twl4030_codec_enable(codec, 0); 2362 kfree(codec->reg_cache); 2363error_cache: 2364 kfree(twl4030); 2365 return ret; 2366} 2367 2368static int __devexit twl4030_codec_remove(struct platform_device *pdev) 2369{ 2370 struct twl4030_priv *twl4030 = platform_get_drvdata(pdev); 2371 2372 snd_soc_unregister_dais(&twl4030_dai[0], ARRAY_SIZE(twl4030_dai)); 2373 snd_soc_unregister_codec(&twl4030->codec); 2374 kfree(twl4030->codec.reg_cache); 2375 kfree(twl4030); 2376 2377 twl4030_codec = NULL; 2378 return 0; 2379} 2380 2381MODULE_ALIAS("platform:twl4030_codec_audio"); 2382 2383static struct platform_driver twl4030_codec_driver = { 2384 .probe = twl4030_codec_probe, 2385 .remove = __devexit_p(twl4030_codec_remove), 2386 .driver = { 2387 .name = "twl4030_codec_audio", 2388 .owner = THIS_MODULE, 2389 }, 2390}; 2391 2392static int __init twl4030_modinit(void) 2393{ 2394 return platform_driver_register(&twl4030_codec_driver); 2395} 2396module_init(twl4030_modinit); 2397 2398static void __exit twl4030_exit(void) 2399{ 2400 platform_driver_unregister(&twl4030_codec_driver); 2401} 2402module_exit(twl4030_exit); 2403 2404struct snd_soc_codec_device soc_codec_dev_twl4030 = { 2405 .probe = twl4030_soc_probe, 2406 .remove = twl4030_soc_remove, 2407 .suspend = twl4030_soc_suspend, 2408 .resume = twl4030_soc_resume, 2409}; 2410EXPORT_SYMBOL_GPL(soc_codec_dev_twl4030); 2411 2412MODULE_DESCRIPTION("ASoC TWL4030 codec driver"); 2413MODULE_AUTHOR("Steve Sakoman"); 2414MODULE_LICENSE("GPL"); 2415