1// SPDX-License-Identifier: GPL-2.0-or-later 2// 3// File: sound/soc/codecs/ssm2602.c 4// Author: Cliff Cai <Cliff.Cai@analog.com> 5// 6// Created: Tue June 06 2008 7// Description: Driver for ssm2602 sound chip 8// 9// Modified: 10// Copyright 2008 Analog Devices Inc. 11// 12// Bugs: Enter bugs at http://blackfin.uclinux.org/ 13 14#include <linux/delay.h> 15#include <linux/module.h> 16#include <linux/regmap.h> 17#include <linux/slab.h> 18 19#include <sound/pcm.h> 20#include <sound/pcm_params.h> 21#include <sound/soc.h> 22#include <sound/tlv.h> 23 24#include "ssm2602.h" 25 26/* codec private data */ 27struct ssm2602_priv { 28 unsigned int sysclk; 29 const struct snd_pcm_hw_constraint_list *sysclk_constraints; 30 31 struct regmap *regmap; 32 33 enum ssm2602_type type; 34 unsigned int clk_out_pwr; 35}; 36 37/* 38 * ssm2602 register cache 39 * We can't read the ssm2602 register space when we are 40 * using 2 wire for device control, so we cache them instead. 41 * There is no point in caching the reset register 42 */ 43static const struct reg_default ssm2602_reg[SSM2602_CACHEREGNUM] = { 44 { .reg = 0x00, .def = 0x0097 }, 45 { .reg = 0x01, .def = 0x0097 }, 46 { .reg = 0x02, .def = 0x0079 }, 47 { .reg = 0x03, .def = 0x0079 }, 48 { .reg = 0x04, .def = 0x000a }, 49 { .reg = 0x05, .def = 0x0008 }, 50 { .reg = 0x06, .def = 0x009f }, 51 { .reg = 0x07, .def = 0x000a }, 52 { .reg = 0x08, .def = 0x0000 }, 53 { .reg = 0x09, .def = 0x0000 } 54}; 55 56/* 57 * ssm2602 register patch 58 * Workaround for playback distortions after power up: activates digital 59 * core, and then powers on output, DAC, and whole chip at the same time 60 */ 61 62static const struct reg_sequence ssm2602_patch[] = { 63 { SSM2602_ACTIVE, 0x01 }, 64 { SSM2602_PWR, 0x07 }, 65 { SSM2602_RESET, 0x00 }, 66}; 67 68 69/*Appending several "None"s just for OSS mixer use*/ 70static const char *ssm2602_input_select[] = { 71 "Line", "Mic", 72}; 73 74static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; 75 76static const struct soc_enum ssm2602_enum[] = { 77 SOC_ENUM_SINGLE(SSM2602_APANA, 2, ARRAY_SIZE(ssm2602_input_select), 78 ssm2602_input_select), 79 SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, ARRAY_SIZE(ssm2602_deemph), 80 ssm2602_deemph), 81}; 82 83static const DECLARE_TLV_DB_RANGE(ssm260x_outmix_tlv, 84 0, 47, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0), 85 48, 127, TLV_DB_SCALE_ITEM(-7400, 100, 0) 86); 87 88static const DECLARE_TLV_DB_SCALE(ssm260x_inpga_tlv, -3450, 150, 0); 89static const DECLARE_TLV_DB_SCALE(ssm260x_sidetone_tlv, -1500, 300, 0); 90 91static const struct snd_kcontrol_new ssm260x_snd_controls[] = { 92SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0, 93 ssm260x_inpga_tlv), 94SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1), 95 96SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1), 97SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0), 98 99SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]), 100}; 101 102static const struct snd_kcontrol_new ssm2602_snd_controls[] = { 103SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V, 104 0, 127, 0, ssm260x_outmix_tlv), 105SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V, 106 7, 1, 0), 107SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1, 108 ssm260x_sidetone_tlv), 109 110SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0), 111SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0), 112}; 113 114/* Output Mixer */ 115static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = { 116SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0), 117SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0), 118SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0), 119}; 120 121static const struct snd_kcontrol_new mic_ctl = 122 SOC_DAPM_SINGLE("Switch", SSM2602_APANA, 1, 1, 1); 123 124/* Input mux */ 125static const struct snd_kcontrol_new ssm2602_input_mux_controls = 126SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]); 127 128static int ssm2602_mic_switch_event(struct snd_soc_dapm_widget *w, 129 struct snd_kcontrol *kcontrol, int event) 130{ 131 /* 132 * According to the ssm2603 data sheet (control register sequencing), 133 * the digital core should be activated only after all necessary bits 134 * in the power register are enabled, and a delay determined by the 135 * decoupling capacitor on the VMID pin has passed. If the digital core 136 * is activated too early, or even before the ADC is powered up, audible 137 * artifacts appear at the beginning and end of the recorded signal. 138 * 139 * In practice, audible artifacts disappear well over 500 ms. 140 */ 141 msleep(500); 142 143 return 0; 144} 145 146static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = { 147SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1), 148SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1), 149SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0), 150 151SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0), 152 153SND_SOC_DAPM_OUTPUT("LOUT"), 154SND_SOC_DAPM_OUTPUT("ROUT"), 155SND_SOC_DAPM_INPUT("RLINEIN"), 156SND_SOC_DAPM_INPUT("LLINEIN"), 157}; 158 159static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = { 160SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1, 161 ssm260x_output_mixer_controls, 162 ARRAY_SIZE(ssm260x_output_mixer_controls)), 163 164SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls), 165SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1), 166 167SND_SOC_DAPM_SWITCH_E("Mic Switch", SSM2602_APANA, 1, 1, &mic_ctl, 168 ssm2602_mic_switch_event, SND_SOC_DAPM_PRE_PMU), 169 170SND_SOC_DAPM_OUTPUT("LHPOUT"), 171SND_SOC_DAPM_OUTPUT("RHPOUT"), 172SND_SOC_DAPM_INPUT("MICIN"), 173}; 174 175static const struct snd_soc_dapm_widget ssm2604_dapm_widgets[] = { 176SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0, 177 ssm260x_output_mixer_controls, 178 ARRAY_SIZE(ssm260x_output_mixer_controls) - 1), /* Last element is the mic */ 179}; 180 181static const struct snd_soc_dapm_route ssm260x_routes[] = { 182 {"DAC", NULL, "Digital Core Power"}, 183 {"ADC", NULL, "Digital Core Power"}, 184 185 {"Output Mixer", "Line Bypass Switch", "Line Input"}, 186 {"Output Mixer", "HiFi Playback Switch", "DAC"}, 187 188 {"ROUT", NULL, "Output Mixer"}, 189 {"LOUT", NULL, "Output Mixer"}, 190 191 {"Line Input", NULL, "LLINEIN"}, 192 {"Line Input", NULL, "RLINEIN"}, 193}; 194 195static const struct snd_soc_dapm_route ssm2602_routes[] = { 196 {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"}, 197 198 {"RHPOUT", NULL, "Output Mixer"}, 199 {"LHPOUT", NULL, "Output Mixer"}, 200 201 {"Input Mux", "Line", "Line Input"}, 202 {"Input Mux", "Mic", "Mic Switch"}, 203 {"ADC", NULL, "Input Mux"}, 204 205 {"Mic Switch", NULL, "Mic Bias"}, 206 207 {"Mic Bias", NULL, "MICIN"}, 208}; 209 210static const struct snd_soc_dapm_route ssm2604_routes[] = { 211 {"ADC", NULL, "Line Input"}, 212}; 213 214static const unsigned int ssm2602_rates_12288000[] = { 215 8000, 16000, 32000, 48000, 96000, 216}; 217 218static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = { 219 .list = ssm2602_rates_12288000, 220 .count = ARRAY_SIZE(ssm2602_rates_12288000), 221}; 222 223static const unsigned int ssm2602_rates_11289600[] = { 224 8000, 11025, 22050, 44100, 88200, 225}; 226 227static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = { 228 .list = ssm2602_rates_11289600, 229 .count = ARRAY_SIZE(ssm2602_rates_11289600), 230}; 231 232struct ssm2602_coeff { 233 u32 mclk; 234 u32 rate; 235 u8 srate; 236}; 237 238#define SSM2602_COEFF_SRATE(sr, bosr, usb) (((sr) << 2) | ((bosr) << 1) | (usb)) 239 240/* codec mclk clock coefficients */ 241static const struct ssm2602_coeff ssm2602_coeff_table[] = { 242 /* 48k */ 243 {12288000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x0)}, 244 {18432000, 48000, SSM2602_COEFF_SRATE(0x0, 0x1, 0x0)}, 245 {12000000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x1)}, 246 247 /* 32k */ 248 {12288000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x0)}, 249 {18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)}, 250 {12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)}, 251 252 /* 16k */ 253 {12288000, 16000, SSM2602_COEFF_SRATE(0x5, 0x0, 0x0)}, 254 {18432000, 16000, SSM2602_COEFF_SRATE(0x5, 0x1, 0x0)}, 255 {12000000, 16000, SSM2602_COEFF_SRATE(0xa, 0x0, 0x1)}, 256 257 /* 8k */ 258 {12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)}, 259 {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)}, 260 {11289600, 8000, SSM2602_COEFF_SRATE(0xb, 0x0, 0x0)}, 261 {16934400, 8000, SSM2602_COEFF_SRATE(0xb, 0x1, 0x0)}, 262 {12000000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x1)}, 263 264 /* 96k */ 265 {12288000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x0)}, 266 {18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)}, 267 {12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)}, 268 269 /* 11.025k */ 270 {11289600, 11025, SSM2602_COEFF_SRATE(0xc, 0x0, 0x0)}, 271 {16934400, 11025, SSM2602_COEFF_SRATE(0xc, 0x1, 0x0)}, 272 {12000000, 11025, SSM2602_COEFF_SRATE(0xc, 0x1, 0x1)}, 273 274 /* 22.05k */ 275 {11289600, 22050, SSM2602_COEFF_SRATE(0xd, 0x0, 0x0)}, 276 {16934400, 22050, SSM2602_COEFF_SRATE(0xd, 0x1, 0x0)}, 277 {12000000, 22050, SSM2602_COEFF_SRATE(0xd, 0x1, 0x1)}, 278 279 /* 44.1k */ 280 {11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)}, 281 {16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)}, 282 {12000000, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x1)}, 283 284 /* 88.2k */ 285 {11289600, 88200, SSM2602_COEFF_SRATE(0xf, 0x0, 0x0)}, 286 {16934400, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x0)}, 287 {12000000, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x1)}, 288}; 289 290static inline int ssm2602_get_coeff(int mclk, int rate) 291{ 292 int i; 293 294 for (i = 0; i < ARRAY_SIZE(ssm2602_coeff_table); i++) { 295 if (ssm2602_coeff_table[i].rate == rate && 296 ssm2602_coeff_table[i].mclk == mclk) 297 return ssm2602_coeff_table[i].srate; 298 } 299 return -EINVAL; 300} 301 302static int ssm2602_hw_params(struct snd_pcm_substream *substream, 303 struct snd_pcm_hw_params *params, 304 struct snd_soc_dai *dai) 305{ 306 struct snd_soc_component *component = dai->component; 307 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); 308 int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params)); 309 unsigned int iface; 310 311 if (srate < 0) 312 return srate; 313 314 regmap_write(ssm2602->regmap, SSM2602_SRATE, srate); 315 316 /* bit size */ 317 switch (params_width(params)) { 318 case 16: 319 iface = 0x0; 320 break; 321 case 20: 322 iface = 0x4; 323 break; 324 case 24: 325 iface = 0x8; 326 break; 327 case 32: 328 iface = 0xc; 329 break; 330 default: 331 return -EINVAL; 332 } 333 regmap_update_bits(ssm2602->regmap, SSM2602_IFACE, 334 IFACE_AUDIO_DATA_LEN, iface); 335 return 0; 336} 337 338static int ssm2602_startup(struct snd_pcm_substream *substream, 339 struct snd_soc_dai *dai) 340{ 341 struct snd_soc_component *component = dai->component; 342 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); 343 344 if (ssm2602->sysclk_constraints) { 345 snd_pcm_hw_constraint_list(substream->runtime, 0, 346 SNDRV_PCM_HW_PARAM_RATE, 347 ssm2602->sysclk_constraints); 348 } 349 350 return 0; 351} 352 353static int ssm2602_mute(struct snd_soc_dai *dai, int mute, int direction) 354{ 355 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(dai->component); 356 357 if (mute) 358 regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, 359 APDIGI_ENABLE_DAC_MUTE, 360 APDIGI_ENABLE_DAC_MUTE); 361 else 362 regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, 363 APDIGI_ENABLE_DAC_MUTE, 0); 364 return 0; 365} 366 367static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai, 368 int clk_id, unsigned int freq, int dir) 369{ 370 struct snd_soc_component *component = codec_dai->component; 371 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); 372 373 if (dir == SND_SOC_CLOCK_IN) { 374 if (clk_id != SSM2602_SYSCLK) 375 return -EINVAL; 376 377 switch (freq) { 378 case 12288000: 379 case 18432000: 380 ssm2602->sysclk_constraints = &ssm2602_constraints_12288000; 381 break; 382 case 11289600: 383 case 16934400: 384 ssm2602->sysclk_constraints = &ssm2602_constraints_11289600; 385 break; 386 case 12000000: 387 ssm2602->sysclk_constraints = NULL; 388 break; 389 default: 390 return -EINVAL; 391 } 392 ssm2602->sysclk = freq; 393 } else { 394 unsigned int mask; 395 396 switch (clk_id) { 397 case SSM2602_CLK_CLKOUT: 398 mask = PWR_CLK_OUT_PDN; 399 break; 400 case SSM2602_CLK_XTO: 401 mask = PWR_OSC_PDN; 402 break; 403 default: 404 return -EINVAL; 405 } 406 407 if (freq == 0) 408 ssm2602->clk_out_pwr |= mask; 409 else 410 ssm2602->clk_out_pwr &= ~mask; 411 412 regmap_update_bits(ssm2602->regmap, SSM2602_PWR, 413 PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr); 414 } 415 416 return 0; 417} 418 419static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai, 420 unsigned int fmt) 421{ 422 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(codec_dai->component); 423 unsigned int iface = 0; 424 425 /* set master/slave audio interface */ 426 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 427 case SND_SOC_DAIFMT_CBM_CFM: 428 iface |= 0x0040; 429 break; 430 case SND_SOC_DAIFMT_CBS_CFS: 431 break; 432 default: 433 return -EINVAL; 434 } 435 436 /* interface format */ 437 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 438 case SND_SOC_DAIFMT_I2S: 439 iface |= 0x0002; 440 break; 441 case SND_SOC_DAIFMT_RIGHT_J: 442 break; 443 case SND_SOC_DAIFMT_LEFT_J: 444 iface |= 0x0001; 445 break; 446 case SND_SOC_DAIFMT_DSP_A: 447 iface |= 0x0013; 448 break; 449 case SND_SOC_DAIFMT_DSP_B: 450 iface |= 0x0003; 451 break; 452 default: 453 return -EINVAL; 454 } 455 456 /* clock inversion */ 457 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 458 case SND_SOC_DAIFMT_NB_NF: 459 break; 460 case SND_SOC_DAIFMT_IB_IF: 461 iface |= 0x0090; 462 break; 463 case SND_SOC_DAIFMT_IB_NF: 464 iface |= 0x0080; 465 break; 466 case SND_SOC_DAIFMT_NB_IF: 467 iface |= 0x0010; 468 break; 469 default: 470 return -EINVAL; 471 } 472 473 /* set iface */ 474 regmap_write(ssm2602->regmap, SSM2602_IFACE, iface); 475 return 0; 476} 477 478static int ssm2602_set_bias_level(struct snd_soc_component *component, 479 enum snd_soc_bias_level level) 480{ 481 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); 482 483 switch (level) { 484 case SND_SOC_BIAS_ON: 485 /* vref/mid on, osc and clkout on if enabled */ 486 regmap_update_bits(ssm2602->regmap, SSM2602_PWR, 487 PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, 488 ssm2602->clk_out_pwr); 489 break; 490 case SND_SOC_BIAS_PREPARE: 491 break; 492 case SND_SOC_BIAS_STANDBY: 493 /* everything off except vref/vmid, */ 494 regmap_update_bits(ssm2602->regmap, SSM2602_PWR, 495 PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, 496 PWR_CLK_OUT_PDN | PWR_OSC_PDN); 497 break; 498 case SND_SOC_BIAS_OFF: 499 /* everything off */ 500 regmap_update_bits(ssm2602->regmap, SSM2602_PWR, 501 PWR_POWER_OFF, PWR_POWER_OFF); 502 break; 503 504 } 505 return 0; 506} 507 508#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 509 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ 510 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ 511 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\ 512 SNDRV_PCM_RATE_96000) 513 514#define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 515 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) 516 517static const struct snd_soc_dai_ops ssm2602_dai_ops = { 518 .startup = ssm2602_startup, 519 .hw_params = ssm2602_hw_params, 520 .mute_stream = ssm2602_mute, 521 .set_sysclk = ssm2602_set_dai_sysclk, 522 .set_fmt = ssm2602_set_dai_fmt, 523 .no_capture_mute = 1, 524}; 525 526static struct snd_soc_dai_driver ssm2602_dai = { 527 .name = "ssm2602-hifi", 528 .playback = { 529 .stream_name = "Playback", 530 .channels_min = 2, 531 .channels_max = 2, 532 .rates = SSM2602_RATES, 533 .formats = SSM2602_FORMATS,}, 534 .capture = { 535 .stream_name = "Capture", 536 .channels_min = 2, 537 .channels_max = 2, 538 .rates = SSM2602_RATES, 539 .formats = SSM2602_FORMATS,}, 540 .ops = &ssm2602_dai_ops, 541 .symmetric_rates = 1, 542 .symmetric_samplebits = 1, 543}; 544 545static int ssm2602_resume(struct snd_soc_component *component) 546{ 547 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); 548 549 regcache_sync(ssm2602->regmap); 550 551 return 0; 552} 553 554static int ssm2602_component_probe(struct snd_soc_component *component) 555{ 556 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 557 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); 558 int ret; 559 560 regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V, 561 LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH); 562 regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V, 563 ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH); 564 565 ret = snd_soc_add_component_controls(component, ssm2602_snd_controls, 566 ARRAY_SIZE(ssm2602_snd_controls)); 567 if (ret) 568 return ret; 569 570 ret = snd_soc_dapm_new_controls(dapm, ssm2602_dapm_widgets, 571 ARRAY_SIZE(ssm2602_dapm_widgets)); 572 if (ret) 573 return ret; 574 575 return snd_soc_dapm_add_routes(dapm, ssm2602_routes, 576 ARRAY_SIZE(ssm2602_routes)); 577} 578 579static int ssm2604_component_probe(struct snd_soc_component *component) 580{ 581 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 582 int ret; 583 584 ret = snd_soc_dapm_new_controls(dapm, ssm2604_dapm_widgets, 585 ARRAY_SIZE(ssm2604_dapm_widgets)); 586 if (ret) 587 return ret; 588 589 return snd_soc_dapm_add_routes(dapm, ssm2604_routes, 590 ARRAY_SIZE(ssm2604_routes)); 591} 592 593static int ssm260x_component_probe(struct snd_soc_component *component) 594{ 595 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); 596 int ret; 597 598 ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0); 599 if (ret < 0) { 600 dev_err(component->dev, "Failed to issue reset: %d\n", ret); 601 return ret; 602 } 603 604 regmap_register_patch(ssm2602->regmap, ssm2602_patch, 605 ARRAY_SIZE(ssm2602_patch)); 606 607 /* set the update bits */ 608 regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL, 609 LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH); 610 regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL, 611 RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH); 612 /*select Line in as default input*/ 613 regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC | 614 APANA_ENABLE_MIC_BOOST); 615 616 switch (ssm2602->type) { 617 case SSM2602: 618 ret = ssm2602_component_probe(component); 619 break; 620 case SSM2604: 621 ret = ssm2604_component_probe(component); 622 break; 623 } 624 625 return ret; 626} 627 628static const struct snd_soc_component_driver soc_component_dev_ssm2602 = { 629 .probe = ssm260x_component_probe, 630 .resume = ssm2602_resume, 631 .set_bias_level = ssm2602_set_bias_level, 632 .controls = ssm260x_snd_controls, 633 .num_controls = ARRAY_SIZE(ssm260x_snd_controls), 634 .dapm_widgets = ssm260x_dapm_widgets, 635 .num_dapm_widgets = ARRAY_SIZE(ssm260x_dapm_widgets), 636 .dapm_routes = ssm260x_routes, 637 .num_dapm_routes = ARRAY_SIZE(ssm260x_routes), 638 .suspend_bias_off = 1, 639 .idle_bias_on = 1, 640 .use_pmdown_time = 1, 641 .endianness = 1, 642 .non_legacy_dai_naming = 1, 643}; 644 645static bool ssm2602_register_volatile(struct device *dev, unsigned int reg) 646{ 647 return reg == SSM2602_RESET; 648} 649 650const struct regmap_config ssm2602_regmap_config = { 651 .val_bits = 9, 652 .reg_bits = 7, 653 654 .max_register = SSM2602_RESET, 655 .volatile_reg = ssm2602_register_volatile, 656 657 .cache_type = REGCACHE_RBTREE, 658 .reg_defaults = ssm2602_reg, 659 .num_reg_defaults = ARRAY_SIZE(ssm2602_reg), 660}; 661EXPORT_SYMBOL_GPL(ssm2602_regmap_config); 662 663int ssm2602_probe(struct device *dev, enum ssm2602_type type, 664 struct regmap *regmap) 665{ 666 struct ssm2602_priv *ssm2602; 667 668 if (IS_ERR(regmap)) 669 return PTR_ERR(regmap); 670 671 ssm2602 = devm_kzalloc(dev, sizeof(*ssm2602), GFP_KERNEL); 672 if (ssm2602 == NULL) 673 return -ENOMEM; 674 675 dev_set_drvdata(dev, ssm2602); 676 ssm2602->type = type; 677 ssm2602->regmap = regmap; 678 679 return devm_snd_soc_register_component(dev, &soc_component_dev_ssm2602, 680 &ssm2602_dai, 1); 681} 682EXPORT_SYMBOL_GPL(ssm2602_probe); 683 684MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver"); 685MODULE_AUTHOR("Cliff Cai"); 686MODULE_LICENSE("GPL"); 687