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1// SPDX-License-Identifier: GPL-2.0-or-later2//3// File: sound/soc/codecs/ssm2602.c4// Author: Cliff Cai <Cliff.Cai@analog.com>5//6// Created: Tue June 06 20087// Description: Driver for ssm2602 sound chip8//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 cache39 * We can't read the ssm2602 register space when we are40 * using 2 wire for device control, so we cache them instead.41 * There is no point in caching the reset register42 */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 patch58 * Workaround for playback distortions after power up: activates digital59 * core, and then powers on output, DAC, and whole chip at the same time60 */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 bits134 * in the power register are enabled, and a delay determined by the135 * decoupling capacitor on the VMID pin has passed. If the digital core136 * is activated too early, or even before the ADC is powered up, audible137 * 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 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 305static 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 341static 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 356static 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 else365 regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,366 APDIGI_ENABLE_DAC_MUTE, 0);367 return 0;368}369 370static 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 else419 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 428static 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 487static 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 526static 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 535static 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 554static 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 563static 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 588static 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 602static 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 637static 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 653static bool ssm2602_register_volatile(struct device *dev, unsigned int reg)654{655 return reg == SSM2602_RESET;656}657 658const 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};669EXPORT_SYMBOL_GPL(ssm2602_regmap_config);670 671int 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}690EXPORT_SYMBOL_GPL(ssm2602_probe);691 692MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver");693MODULE_AUTHOR("Cliff Cai");694MODULE_LICENSE("GPL");695