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29#include <linux/module.h>
30#include <linux/regmap.h>
31#include <linux/slab.h>
32
33#include <sound/pcm.h>
34#include <sound/pcm_params.h>
35#include <sound/soc.h>
36#include <sound/tlv.h>
37
38#include "ssm2602.h"
39
40
41struct ssm2602_priv {
42 unsigned int sysclk;
43 const struct snd_pcm_hw_constraint_list *sysclk_constraints;
44
45 struct regmap *regmap;
46
47 enum ssm2602_type type;
48 unsigned int clk_out_pwr;
49};
50
51
52
53
54
55
56
57static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = {
58 0x0097, 0x0097, 0x0079, 0x0079,
59 0x000a, 0x0008, 0x009f, 0x000a,
60 0x0000, 0x0000
61};
62
63
64
65static const char *ssm2602_input_select[] = {
66 "Line", "Mic",
67};
68
69static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
70
71static const struct soc_enum ssm2602_enum[] = {
72 SOC_ENUM_SINGLE(SSM2602_APANA, 2, ARRAY_SIZE(ssm2602_input_select),
73 ssm2602_input_select),
74 SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, ARRAY_SIZE(ssm2602_deemph),
75 ssm2602_deemph),
76};
77
78static const DECLARE_TLV_DB_RANGE(ssm260x_outmix_tlv,
79 0, 47, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0),
80 48, 127, TLV_DB_SCALE_ITEM(-7400, 100, 0)
81);
82
83static const DECLARE_TLV_DB_SCALE(ssm260x_inpga_tlv, -3450, 150, 0);
84static const DECLARE_TLV_DB_SCALE(ssm260x_sidetone_tlv, -1500, 300, 0);
85
86static const struct snd_kcontrol_new ssm260x_snd_controls[] = {
87SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0,
88 ssm260x_inpga_tlv),
89SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1),
90
91SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1),
92SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0),
93
94SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]),
95};
96
97static const struct snd_kcontrol_new ssm2602_snd_controls[] = {
98SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V,
99 0, 127, 0, ssm260x_outmix_tlv),
100SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V,
101 7, 1, 0),
102SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1,
103 ssm260x_sidetone_tlv),
104
105SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0),
106SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0),
107SOC_SINGLE("Mic Switch", SSM2602_APANA, 1, 1, 1),
108};
109
110
111static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = {
112SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0),
113SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0),
114SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0),
115};
116
117
118static const struct snd_kcontrol_new ssm2602_input_mux_controls =
119SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]);
120
121static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = {
122SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1),
123SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1),
124SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0),
125
126SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0),
127
128SND_SOC_DAPM_OUTPUT("LOUT"),
129SND_SOC_DAPM_OUTPUT("ROUT"),
130SND_SOC_DAPM_INPUT("RLINEIN"),
131SND_SOC_DAPM_INPUT("LLINEIN"),
132};
133
134static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = {
135SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1,
136 ssm260x_output_mixer_controls,
137 ARRAY_SIZE(ssm260x_output_mixer_controls)),
138
139SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls),
140SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1),
141
142SND_SOC_DAPM_OUTPUT("LHPOUT"),
143SND_SOC_DAPM_OUTPUT("RHPOUT"),
144SND_SOC_DAPM_INPUT("MICIN"),
145};
146
147static const struct snd_soc_dapm_widget ssm2604_dapm_widgets[] = {
148SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0,
149 ssm260x_output_mixer_controls,
150 ARRAY_SIZE(ssm260x_output_mixer_controls) - 1),
151};
152
153static const struct snd_soc_dapm_route ssm260x_routes[] = {
154 {"DAC", NULL, "Digital Core Power"},
155 {"ADC", NULL, "Digital Core Power"},
156
157 {"Output Mixer", "Line Bypass Switch", "Line Input"},
158 {"Output Mixer", "HiFi Playback Switch", "DAC"},
159
160 {"ROUT", NULL, "Output Mixer"},
161 {"LOUT", NULL, "Output Mixer"},
162
163 {"Line Input", NULL, "LLINEIN"},
164 {"Line Input", NULL, "RLINEIN"},
165};
166
167static const struct snd_soc_dapm_route ssm2602_routes[] = {
168 {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"},
169
170 {"RHPOUT", NULL, "Output Mixer"},
171 {"LHPOUT", NULL, "Output Mixer"},
172
173 {"Input Mux", "Line", "Line Input"},
174 {"Input Mux", "Mic", "Mic Bias"},
175 {"ADC", NULL, "Input Mux"},
176
177 {"Mic Bias", NULL, "MICIN"},
178};
179
180static const struct snd_soc_dapm_route ssm2604_routes[] = {
181 {"ADC", NULL, "Line Input"},
182};
183
184static const unsigned int ssm2602_rates_12288000[] = {
185 8000, 16000, 32000, 48000, 96000,
186};
187
188static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = {
189 .list = ssm2602_rates_12288000,
190 .count = ARRAY_SIZE(ssm2602_rates_12288000),
191};
192
193static const unsigned int ssm2602_rates_11289600[] = {
194 8000, 11025, 22050, 44100, 88200,
195};
196
197static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = {
198 .list = ssm2602_rates_11289600,
199 .count = ARRAY_SIZE(ssm2602_rates_11289600),
200};
201
202struct ssm2602_coeff {
203 u32 mclk;
204 u32 rate;
205 u8 srate;
206};
207
208#define SSM2602_COEFF_SRATE(sr, bosr, usb) (((sr) << 2) | ((bosr) << 1) | (usb))
209
210
211static const struct ssm2602_coeff ssm2602_coeff_table[] = {
212
213 {12288000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x0)},
214 {18432000, 48000, SSM2602_COEFF_SRATE(0x0, 0x1, 0x0)},
215 {12000000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x1)},
216
217
218 {12288000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x0)},
219 {18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)},
220 {12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)},
221
222
223 {12288000, 16000, SSM2602_COEFF_SRATE(0x5, 0x0, 0x0)},
224 {18432000, 16000, SSM2602_COEFF_SRATE(0x5, 0x1, 0x0)},
225 {12000000, 16000, SSM2602_COEFF_SRATE(0xa, 0x0, 0x1)},
226
227
228 {12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)},
229 {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)},
230 {11289600, 8000, SSM2602_COEFF_SRATE(0xb, 0x0, 0x0)},
231 {16934400, 8000, SSM2602_COEFF_SRATE(0xb, 0x1, 0x0)},
232 {12000000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x1)},
233
234
235 {12288000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x0)},
236 {18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)},
237 {12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)},
238
239
240 {11289600, 11025, SSM2602_COEFF_SRATE(0xc, 0x0, 0x0)},
241 {16934400, 11025, SSM2602_COEFF_SRATE(0xc, 0x1, 0x0)},
242 {12000000, 11025, SSM2602_COEFF_SRATE(0xc, 0x1, 0x1)},
243
244
245 {11289600, 22050, SSM2602_COEFF_SRATE(0xd, 0x0, 0x0)},
246 {16934400, 22050, SSM2602_COEFF_SRATE(0xd, 0x1, 0x0)},
247 {12000000, 22050, SSM2602_COEFF_SRATE(0xd, 0x1, 0x1)},
248
249
250 {11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)},
251 {16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)},
252 {12000000, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x1)},
253
254
255 {11289600, 88200, SSM2602_COEFF_SRATE(0xf, 0x0, 0x0)},
256 {16934400, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x0)},
257 {12000000, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x1)},
258};
259
260static inline int ssm2602_get_coeff(int mclk, int rate)
261{
262 int i;
263
264 for (i = 0; i < ARRAY_SIZE(ssm2602_coeff_table); i++) {
265 if (ssm2602_coeff_table[i].rate == rate &&
266 ssm2602_coeff_table[i].mclk == mclk)
267 return ssm2602_coeff_table[i].srate;
268 }
269 return -EINVAL;
270}
271
272static int ssm2602_hw_params(struct snd_pcm_substream *substream,
273 struct snd_pcm_hw_params *params,
274 struct snd_soc_dai *dai)
275{
276 struct snd_soc_codec *codec = dai->codec;
277 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
278 int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params));
279 unsigned int iface;
280
281 if (srate < 0)
282 return srate;
283
284 regmap_write(ssm2602->regmap, SSM2602_SRATE, srate);
285
286
287 switch (params_width(params)) {
288 case 16:
289 iface = 0x0;
290 break;
291 case 20:
292 iface = 0x4;
293 break;
294 case 24:
295 iface = 0x8;
296 break;
297 case 32:
298 iface = 0xc;
299 break;
300 default:
301 return -EINVAL;
302 }
303 regmap_update_bits(ssm2602->regmap, SSM2602_IFACE,
304 IFACE_AUDIO_DATA_LEN, iface);
305 return 0;
306}
307
308static int ssm2602_startup(struct snd_pcm_substream *substream,
309 struct snd_soc_dai *dai)
310{
311 struct snd_soc_codec *codec = dai->codec;
312 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
313
314 if (ssm2602->sysclk_constraints) {
315 snd_pcm_hw_constraint_list(substream->runtime, 0,
316 SNDRV_PCM_HW_PARAM_RATE,
317 ssm2602->sysclk_constraints);
318 }
319
320 return 0;
321}
322
323static int ssm2602_mute(struct snd_soc_dai *dai, int mute)
324{
325 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(dai->codec);
326
327 if (mute)
328 regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
329 APDIGI_ENABLE_DAC_MUTE,
330 APDIGI_ENABLE_DAC_MUTE);
331 else
332 regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
333 APDIGI_ENABLE_DAC_MUTE, 0);
334 return 0;
335}
336
337static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai,
338 int clk_id, unsigned int freq, int dir)
339{
340 struct snd_soc_codec *codec = codec_dai->codec;
341 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
342
343 if (dir == SND_SOC_CLOCK_IN) {
344 if (clk_id != SSM2602_SYSCLK)
345 return -EINVAL;
346
347 switch (freq) {
348 case 12288000:
349 case 18432000:
350 ssm2602->sysclk_constraints = &ssm2602_constraints_12288000;
351 break;
352 case 11289600:
353 case 16934400:
354 ssm2602->sysclk_constraints = &ssm2602_constraints_11289600;
355 break;
356 case 12000000:
357 ssm2602->sysclk_constraints = NULL;
358 break;
359 default:
360 return -EINVAL;
361 }
362 ssm2602->sysclk = freq;
363 } else {
364 unsigned int mask;
365
366 switch (clk_id) {
367 case SSM2602_CLK_CLKOUT:
368 mask = PWR_CLK_OUT_PDN;
369 break;
370 case SSM2602_CLK_XTO:
371 mask = PWR_OSC_PDN;
372 break;
373 default:
374 return -EINVAL;
375 }
376
377 if (freq == 0)
378 ssm2602->clk_out_pwr |= mask;
379 else
380 ssm2602->clk_out_pwr &= ~mask;
381
382 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
383 PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr);
384 }
385
386 return 0;
387}
388
389static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai,
390 unsigned int fmt)
391{
392 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec_dai->codec);
393 unsigned int iface = 0;
394
395
396 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
397 case SND_SOC_DAIFMT_CBM_CFM:
398 iface |= 0x0040;
399 break;
400 case SND_SOC_DAIFMT_CBS_CFS:
401 break;
402 default:
403 return -EINVAL;
404 }
405
406
407 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
408 case SND_SOC_DAIFMT_I2S:
409 iface |= 0x0002;
410 break;
411 case SND_SOC_DAIFMT_RIGHT_J:
412 break;
413 case SND_SOC_DAIFMT_LEFT_J:
414 iface |= 0x0001;
415 break;
416 case SND_SOC_DAIFMT_DSP_A:
417 iface |= 0x0013;
418 break;
419 case SND_SOC_DAIFMT_DSP_B:
420 iface |= 0x0003;
421 break;
422 default:
423 return -EINVAL;
424 }
425
426
427 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
428 case SND_SOC_DAIFMT_NB_NF:
429 break;
430 case SND_SOC_DAIFMT_IB_IF:
431 iface |= 0x0090;
432 break;
433 case SND_SOC_DAIFMT_IB_NF:
434 iface |= 0x0080;
435 break;
436 case SND_SOC_DAIFMT_NB_IF:
437 iface |= 0x0010;
438 break;
439 default:
440 return -EINVAL;
441 }
442
443
444 regmap_write(ssm2602->regmap, SSM2602_IFACE, iface);
445 return 0;
446}
447
448static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
449 enum snd_soc_bias_level level)
450{
451 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
452
453 switch (level) {
454 case SND_SOC_BIAS_ON:
455
456 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
457 PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
458 ssm2602->clk_out_pwr);
459 break;
460 case SND_SOC_BIAS_PREPARE:
461 break;
462 case SND_SOC_BIAS_STANDBY:
463
464 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
465 PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
466 PWR_CLK_OUT_PDN | PWR_OSC_PDN);
467 break;
468 case SND_SOC_BIAS_OFF:
469
470 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
471 PWR_POWER_OFF, PWR_POWER_OFF);
472 break;
473
474 }
475 return 0;
476}
477
478#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
479 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
480 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
481 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
482 SNDRV_PCM_RATE_96000)
483
484#define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
485 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
486
487static const struct snd_soc_dai_ops ssm2602_dai_ops = {
488 .startup = ssm2602_startup,
489 .hw_params = ssm2602_hw_params,
490 .digital_mute = ssm2602_mute,
491 .set_sysclk = ssm2602_set_dai_sysclk,
492 .set_fmt = ssm2602_set_dai_fmt,
493};
494
495static struct snd_soc_dai_driver ssm2602_dai = {
496 .name = "ssm2602-hifi",
497 .playback = {
498 .stream_name = "Playback",
499 .channels_min = 2,
500 .channels_max = 2,
501 .rates = SSM2602_RATES,
502 .formats = SSM2602_FORMATS,},
503 .capture = {
504 .stream_name = "Capture",
505 .channels_min = 2,
506 .channels_max = 2,
507 .rates = SSM2602_RATES,
508 .formats = SSM2602_FORMATS,},
509 .ops = &ssm2602_dai_ops,
510 .symmetric_rates = 1,
511 .symmetric_samplebits = 1,
512};
513
514static int ssm2602_resume(struct snd_soc_codec *codec)
515{
516 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
517
518 regcache_sync(ssm2602->regmap);
519
520 return 0;
521}
522
523static int ssm2602_codec_probe(struct snd_soc_codec *codec)
524{
525 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
526 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
527 int ret;
528
529 regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V,
530 LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH);
531 regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V,
532 ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH);
533
534 ret = snd_soc_add_codec_controls(codec, ssm2602_snd_controls,
535 ARRAY_SIZE(ssm2602_snd_controls));
536 if (ret)
537 return ret;
538
539 ret = snd_soc_dapm_new_controls(dapm, ssm2602_dapm_widgets,
540 ARRAY_SIZE(ssm2602_dapm_widgets));
541 if (ret)
542 return ret;
543
544 return snd_soc_dapm_add_routes(dapm, ssm2602_routes,
545 ARRAY_SIZE(ssm2602_routes));
546}
547
548static int ssm2604_codec_probe(struct snd_soc_codec *codec)
549{
550 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
551 int ret;
552
553 ret = snd_soc_dapm_new_controls(dapm, ssm2604_dapm_widgets,
554 ARRAY_SIZE(ssm2604_dapm_widgets));
555 if (ret)
556 return ret;
557
558 return snd_soc_dapm_add_routes(dapm, ssm2604_routes,
559 ARRAY_SIZE(ssm2604_routes));
560}
561
562static int ssm260x_codec_probe(struct snd_soc_codec *codec)
563{
564 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
565 int ret;
566
567 ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0);
568 if (ret < 0) {
569 dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
570 return ret;
571 }
572
573
574 regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL,
575 LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH);
576 regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL,
577 RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH);
578
579 regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC |
580 APANA_ENABLE_MIC_BOOST);
581
582 switch (ssm2602->type) {
583 case SSM2602:
584 ret = ssm2602_codec_probe(codec);
585 break;
586 case SSM2604:
587 ret = ssm2604_codec_probe(codec);
588 break;
589 }
590
591 return ret;
592}
593
594static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = {
595 .probe = ssm260x_codec_probe,
596 .resume = ssm2602_resume,
597 .set_bias_level = ssm2602_set_bias_level,
598 .suspend_bias_off = true,
599
600 .controls = ssm260x_snd_controls,
601 .num_controls = ARRAY_SIZE(ssm260x_snd_controls),
602 .dapm_widgets = ssm260x_dapm_widgets,
603 .num_dapm_widgets = ARRAY_SIZE(ssm260x_dapm_widgets),
604 .dapm_routes = ssm260x_routes,
605 .num_dapm_routes = ARRAY_SIZE(ssm260x_routes),
606};
607
608static bool ssm2602_register_volatile(struct device *dev, unsigned int reg)
609{
610 return reg == SSM2602_RESET;
611}
612
613const struct regmap_config ssm2602_regmap_config = {
614 .val_bits = 9,
615 .reg_bits = 7,
616
617 .max_register = SSM2602_RESET,
618 .volatile_reg = ssm2602_register_volatile,
619
620 .cache_type = REGCACHE_RBTREE,
621 .reg_defaults_raw = ssm2602_reg,
622 .num_reg_defaults_raw = ARRAY_SIZE(ssm2602_reg),
623};
624EXPORT_SYMBOL_GPL(ssm2602_regmap_config);
625
626int ssm2602_probe(struct device *dev, enum ssm2602_type type,
627 struct regmap *regmap)
628{
629 struct ssm2602_priv *ssm2602;
630
631 if (IS_ERR(regmap))
632 return PTR_ERR(regmap);
633
634 ssm2602 = devm_kzalloc(dev, sizeof(*ssm2602), GFP_KERNEL);
635 if (ssm2602 == NULL)
636 return -ENOMEM;
637
638 dev_set_drvdata(dev, ssm2602);
639 ssm2602->type = type;
640 ssm2602->regmap = regmap;
641
642 return snd_soc_register_codec(dev, &soc_codec_dev_ssm2602,
643 &ssm2602_dai, 1);
644}
645EXPORT_SYMBOL_GPL(ssm2602_probe);
646
647MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver");
648MODULE_AUTHOR("Cliff Cai");
649MODULE_LICENSE("GPL");
650
