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 */ 27 struct 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 */ 43 static 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 62 static 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*/ 70 static const char *ssm2602_input_select[] = { 71 "Line", "Mic", 72 }; 73 74 static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; 75 76 static 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 83 static 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 88 static const DECLARE_TLV_DB_SCALE(ssm260x_inpga_tlv, -3450, 150, 0); 89 static const DECLARE_TLV_DB_SCALE(ssm260x_sidetone_tlv, -1500, 300, 0); 90 91 static const struct snd_kcontrol_new ssm260x_snd_controls[] = { 92 SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0, 93 ssm260x_inpga_tlv), 94 SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1), 95 96 SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1), 97 SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0), 98 99 SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]), 100 }; 101 102 static const struct snd_kcontrol_new ssm2602_snd_controls[] = { 103 SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V, 104 0, 127, 0, ssm260x_outmix_tlv), 105 SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V, 106 7, 1, 0), 107 SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1, 108 ssm260x_sidetone_tlv), 109 110 SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0), 111 SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0), 112 }; 113 114 /* Output Mixer */ 115 static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = { 116 SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0), 117 SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0), 118 SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0), 119 }; 120 121 static const struct snd_kcontrol_new mic_ctl = 122 SOC_DAPM_SINGLE("Switch", SSM2602_APANA, 1, 1, 1); 123 124 /* Input mux */ 125 static const struct snd_kcontrol_new ssm2602_input_mux_controls = 126 SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]); 127 128 static 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 } 145 146 static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = { 147 SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1), 148 SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1), 149 SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0), 150 151 SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0), 152 153 SND_SOC_DAPM_OUTPUT("LOUT"), 154 SND_SOC_DAPM_OUTPUT("ROUT"), 155 SND_SOC_DAPM_INPUT("RLINEIN"), 156 SND_SOC_DAPM_INPUT("LLINEIN"), 157 }; 158 159 static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = { 160 SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1, 161 ssm260x_output_mixer_controls, 162 ARRAY_SIZE(ssm260x_output_mixer_controls)), 163 164 SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls), 165 SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1), 166 167 SND_SOC_DAPM_SWITCH_E("Mic Switch", SSM2602_APANA, 1, 1, &mic_ctl, 168 ssm2602_mic_switch_event, SND_SOC_DAPM_PRE_PMU), 169 170 SND_SOC_DAPM_OUTPUT("LHPOUT"), 171 SND_SOC_DAPM_OUTPUT("RHPOUT"), 172 SND_SOC_DAPM_INPUT("MICIN"), 173 }; 174 175 static const struct snd_soc_dapm_widget ssm2604_dapm_widgets[] = { 176 SND_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 }; 180 181 static 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 }; 194 195 static 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 }; 209 210 static const struct snd_soc_dapm_route ssm2604_routes[] = { 211 {"ADC", NULL, "Line Input"}, 212 }; 213 214 static const unsigned int ssm2602_rates_12288000[] = { 215 8000, 16000, 32000, 48000, 96000, 216 }; 217 218 static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = { 219 .list = ssm2602_rates_12288000, 220 .count = ARRAY_SIZE(ssm2602_rates_12288000), 221 }; 222 223 static const unsigned int ssm2602_rates_11289600[] = { 224 8000, 11025, 22050, 44100, 88200, 225 }; 226 227 static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = { 228 .list = ssm2602_rates_11289600, 229 .count = ARRAY_SIZE(ssm2602_rates_11289600), 230 }; 231 232 struct 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 */ 241 static 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 }; 289 290 static 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 if (ssm2602_coeff_table[i].mclk == mclk) 297 return ssm2602_coeff_table[i].srate; 298 if (ssm2602_coeff_table[i].mclk == mclk / 2) 299 return ssm2602_coeff_table[i].srate | SRATE_CORECLK_DIV2; 300 } 301 } 302 return -EINVAL; 303 } 304 305 static int ssm2602_hw_params(struct snd_pcm_substream *substream, 306 struct snd_pcm_hw_params *params, 307 struct snd_soc_dai *dai) 308 { 309 struct snd_soc_component *component = dai->component; 310 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); 311 int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params)); 312 unsigned int iface; 313 314 if (srate < 0) 315 return srate; 316 317 regmap_write(ssm2602->regmap, SSM2602_SRATE, srate); 318 319 /* bit size */ 320 switch (params_width(params)) { 321 case 16: 322 iface = 0x0; 323 break; 324 case 20: 325 iface = 0x4; 326 break; 327 case 24: 328 iface = 0x8; 329 break; 330 case 32: 331 iface = 0xc; 332 break; 333 default: 334 return -EINVAL; 335 } 336 regmap_update_bits(ssm2602->regmap, SSM2602_IFACE, 337 IFACE_AUDIO_DATA_LEN, iface); 338 return 0; 339 } 340 341 static int ssm2602_startup(struct snd_pcm_substream *substream, 342 struct snd_soc_dai *dai) 343 { 344 struct snd_soc_component *component = dai->component; 345 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); 346 347 if (ssm2602->sysclk_constraints) { 348 snd_pcm_hw_constraint_list(substream->runtime, 0, 349 SNDRV_PCM_HW_PARAM_RATE, 350 ssm2602->sysclk_constraints); 351 } 352 353 return 0; 354 } 355 356 static int ssm2602_mute(struct snd_soc_dai *dai, int mute, int direction) 357 { 358 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(dai->component); 359 360 if (mute) 361 regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, 362 APDIGI_ENABLE_DAC_MUTE, 363 APDIGI_ENABLE_DAC_MUTE); 364 else 365 regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, 366 APDIGI_ENABLE_DAC_MUTE, 0); 367 return 0; 368 } 369 370 static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai, 371 int clk_id, unsigned int freq, int dir) 372 { 373 struct snd_soc_component *component = codec_dai->component; 374 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); 375 376 if (dir == SND_SOC_CLOCK_IN) { 377 if (clk_id != SSM2602_SYSCLK) 378 return -EINVAL; 379 380 switch (freq) { 381 case 12288000: 382 case 18432000: 383 case 24576000: 384 case 36864000: 385 ssm2602->sysclk_constraints = &ssm2602_constraints_12288000; 386 break; 387 case 11289600: 388 case 16934400: 389 case 22579200: 390 case 33868800: 391 ssm2602->sysclk_constraints = &ssm2602_constraints_11289600; 392 break; 393 case 12000000: 394 case 24000000: 395 ssm2602->sysclk_constraints = NULL; 396 break; 397 default: 398 return -EINVAL; 399 } 400 401 ssm2602->sysclk = freq; 402 } else { 403 unsigned int mask; 404 405 switch (clk_id) { 406 case SSM2602_CLK_CLKOUT: 407 mask = PWR_CLK_OUT_PDN; 408 break; 409 case SSM2602_CLK_XTO: 410 mask = PWR_OSC_PDN; 411 break; 412 default: 413 return -EINVAL; 414 } 415 416 if (freq == 0) 417 ssm2602->clk_out_pwr |= mask; 418 else 419 ssm2602->clk_out_pwr &= ~mask; 420 421 regmap_update_bits(ssm2602->regmap, SSM2602_PWR, 422 PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr); 423 } 424 425 return 0; 426 } 427 428 static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai, 429 unsigned int fmt) 430 { 431 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(codec_dai->component); 432 unsigned int iface = 0; 433 434 /* set master/slave audio interface */ 435 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { 436 case SND_SOC_DAIFMT_CBP_CFP: 437 iface |= 0x0040; 438 break; 439 case SND_SOC_DAIFMT_CBC_CFC: 440 break; 441 default: 442 return -EINVAL; 443 } 444 445 /* interface format */ 446 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 447 case SND_SOC_DAIFMT_I2S: 448 iface |= 0x0002; 449 break; 450 case SND_SOC_DAIFMT_RIGHT_J: 451 break; 452 case SND_SOC_DAIFMT_LEFT_J: 453 iface |= 0x0001; 454 break; 455 case SND_SOC_DAIFMT_DSP_A: 456 iface |= 0x0013; 457 break; 458 case SND_SOC_DAIFMT_DSP_B: 459 iface |= 0x0003; 460 break; 461 default: 462 return -EINVAL; 463 } 464 465 /* clock inversion */ 466 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 467 case SND_SOC_DAIFMT_NB_NF: 468 break; 469 case SND_SOC_DAIFMT_IB_IF: 470 iface |= 0x0090; 471 break; 472 case SND_SOC_DAIFMT_IB_NF: 473 iface |= 0x0080; 474 break; 475 case SND_SOC_DAIFMT_NB_IF: 476 iface |= 0x0010; 477 break; 478 default: 479 return -EINVAL; 480 } 481 482 /* set iface */ 483 regmap_write(ssm2602->regmap, SSM2602_IFACE, iface); 484 return 0; 485 } 486 487 static int ssm2602_set_bias_level(struct snd_soc_component *component, 488 enum snd_soc_bias_level level) 489 { 490 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); 491 492 switch (level) { 493 case SND_SOC_BIAS_ON: 494 /* vref/mid on, osc and clkout on if enabled */ 495 regmap_update_bits(ssm2602->regmap, SSM2602_PWR, 496 PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, 497 ssm2602->clk_out_pwr); 498 break; 499 case SND_SOC_BIAS_PREPARE: 500 break; 501 case SND_SOC_BIAS_STANDBY: 502 /* everything off except vref/vmid, */ 503 regmap_update_bits(ssm2602->regmap, SSM2602_PWR, 504 PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, 505 PWR_CLK_OUT_PDN | PWR_OSC_PDN); 506 break; 507 case SND_SOC_BIAS_OFF: 508 /* everything off */ 509 regmap_update_bits(ssm2602->regmap, SSM2602_PWR, 510 PWR_POWER_OFF, PWR_POWER_OFF); 511 break; 512 513 } 514 return 0; 515 } 516 517 #define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 518 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ 519 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ 520 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\ 521 SNDRV_PCM_RATE_96000) 522 523 #define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 524 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) 525 526 static const struct snd_soc_dai_ops ssm2602_dai_ops = { 527 .startup = ssm2602_startup, 528 .hw_params = ssm2602_hw_params, 529 .mute_stream = ssm2602_mute, 530 .set_sysclk = ssm2602_set_dai_sysclk, 531 .set_fmt = ssm2602_set_dai_fmt, 532 .no_capture_mute = 1, 533 }; 534 535 static struct snd_soc_dai_driver ssm2602_dai = { 536 .name = "ssm2602-hifi", 537 .playback = { 538 .stream_name = "Playback", 539 .channels_min = 2, 540 .channels_max = 2, 541 .rates = SSM2602_RATES, 542 .formats = SSM2602_FORMATS,}, 543 .capture = { 544 .stream_name = "Capture", 545 .channels_min = 2, 546 .channels_max = 2, 547 .rates = SSM2602_RATES, 548 .formats = SSM2602_FORMATS,}, 549 .ops = &ssm2602_dai_ops, 550 .symmetric_rate = 1, 551 .symmetric_sample_bits = 1, 552 }; 553 554 static int ssm2602_resume(struct snd_soc_component *component) 555 { 556 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); 557 558 regcache_sync(ssm2602->regmap); 559 560 return 0; 561 } 562 563 static int ssm2602_component_probe(struct snd_soc_component *component) 564 { 565 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 566 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); 567 int ret; 568 569 regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V, 570 LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH); 571 regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V, 572 ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH); 573 574 ret = snd_soc_add_component_controls(component, ssm2602_snd_controls, 575 ARRAY_SIZE(ssm2602_snd_controls)); 576 if (ret) 577 return ret; 578 579 ret = snd_soc_dapm_new_controls(dapm, ssm2602_dapm_widgets, 580 ARRAY_SIZE(ssm2602_dapm_widgets)); 581 if (ret) 582 return ret; 583 584 return snd_soc_dapm_add_routes(dapm, ssm2602_routes, 585 ARRAY_SIZE(ssm2602_routes)); 586 } 587 588 static int ssm2604_component_probe(struct snd_soc_component *component) 589 { 590 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 591 int ret; 592 593 ret = snd_soc_dapm_new_controls(dapm, ssm2604_dapm_widgets, 594 ARRAY_SIZE(ssm2604_dapm_widgets)); 595 if (ret) 596 return ret; 597 598 return snd_soc_dapm_add_routes(dapm, ssm2604_routes, 599 ARRAY_SIZE(ssm2604_routes)); 600 } 601 602 static int ssm260x_component_probe(struct snd_soc_component *component) 603 { 604 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); 605 int ret; 606 607 ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0); 608 if (ret < 0) { 609 dev_err(component->dev, "Failed to issue reset: %d\n", ret); 610 return ret; 611 } 612 613 regmap_register_patch(ssm2602->regmap, ssm2602_patch, 614 ARRAY_SIZE(ssm2602_patch)); 615 616 /* set the update bits */ 617 regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL, 618 LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH); 619 regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL, 620 RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH); 621 /*select Line in as default input*/ 622 regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC | 623 APANA_ENABLE_MIC_BOOST); 624 625 switch (ssm2602->type) { 626 case SSM2602: 627 ret = ssm2602_component_probe(component); 628 break; 629 case SSM2604: 630 ret = ssm2604_component_probe(component); 631 break; 632 } 633 634 return ret; 635 } 636 637 static const struct snd_soc_component_driver soc_component_dev_ssm2602 = { 638 .probe = ssm260x_component_probe, 639 .resume = ssm2602_resume, 640 .set_bias_level = ssm2602_set_bias_level, 641 .controls = ssm260x_snd_controls, 642 .num_controls = ARRAY_SIZE(ssm260x_snd_controls), 643 .dapm_widgets = ssm260x_dapm_widgets, 644 .num_dapm_widgets = ARRAY_SIZE(ssm260x_dapm_widgets), 645 .dapm_routes = ssm260x_routes, 646 .num_dapm_routes = ARRAY_SIZE(ssm260x_routes), 647 .suspend_bias_off = 1, 648 .idle_bias_on = 1, 649 .use_pmdown_time = 1, 650 .endianness = 1, 651 }; 652 653 static bool ssm2602_register_volatile(struct device *dev, unsigned int reg) 654 { 655 return reg == SSM2602_RESET; 656 } 657 658 const struct regmap_config ssm2602_regmap_config = { 659 .val_bits = 9, 660 .reg_bits = 7, 661 662 .max_register = SSM2602_RESET, 663 .volatile_reg = ssm2602_register_volatile, 664 665 .cache_type = REGCACHE_RBTREE, 666 .reg_defaults = ssm2602_reg, 667 .num_reg_defaults = ARRAY_SIZE(ssm2602_reg), 668 }; 669 EXPORT_SYMBOL_GPL(ssm2602_regmap_config); 670 671 int ssm2602_probe(struct device *dev, enum ssm2602_type type, 672 struct regmap *regmap) 673 { 674 struct ssm2602_priv *ssm2602; 675 676 if (IS_ERR(regmap)) 677 return PTR_ERR(regmap); 678 679 ssm2602 = devm_kzalloc(dev, sizeof(*ssm2602), GFP_KERNEL); 680 if (ssm2602 == NULL) 681 return -ENOMEM; 682 683 dev_set_drvdata(dev, ssm2602); 684 ssm2602->type = type; 685 ssm2602->regmap = regmap; 686 687 return devm_snd_soc_register_component(dev, &soc_component_dev_ssm2602, 688 &ssm2602_dai, 1); 689 } 690 EXPORT_SYMBOL_GPL(ssm2602_probe); 691 692 MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver"); 693 MODULE_AUTHOR("Cliff Cai"); 694 MODULE_LICENSE("GPL"); 695