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29#include <linux/module.h>
30#include <linux/moduleparam.h>
31#include <linux/init.h>
32#include <linux/delay.h>
33#include <linux/pm.h>
34#include <linux/i2c.h>
35#include <linux/spi/spi.h>
36#include <linux/slab.h>
37#include <sound/core.h>
38#include <sound/pcm.h>
39#include <sound/pcm_params.h>
40#include <sound/soc.h>
41#include <sound/initval.h>
42#include <sound/tlv.h>
43
44#include "ssm2602.h"
45
46#define SSM2602_VERSION "0.1"
47
48enum ssm2602_type {
49 SSM2602,
50 SSM2604,
51};
52
53
54struct ssm2602_priv {
55 unsigned int sysclk;
56 enum snd_soc_control_type control_type;
57 struct snd_pcm_substream *master_substream;
58 struct snd_pcm_substream *slave_substream;
59
60 enum ssm2602_type type;
61 unsigned int clk_out_pwr;
62};
63
64
65
66
67
68
69
70static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = {
71 0x0097, 0x0097, 0x0079, 0x0079,
72 0x000a, 0x0008, 0x009f, 0x000a,
73 0x0000, 0x0000
74};
75
76#define ssm2602_reset(c) snd_soc_write(c, SSM2602_RESET, 0)
77
78
79static const char *ssm2602_input_select[] = {
80 "Line", "Mic", "None", "None", "None",
81 "None", "None", "None",
82};
83
84static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
85
86static const struct soc_enum ssm2602_enum[] = {
87 SOC_ENUM_SINGLE(SSM2602_APANA, 2, 2, ssm2602_input_select),
88 SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, 4, ssm2602_deemph),
89};
90
91static const unsigned int ssm260x_outmix_tlv[] = {
92 TLV_DB_RANGE_HEAD(2),
93 0, 47, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0),
94 48, 127, TLV_DB_SCALE_ITEM(-7400, 100, 0),
95};
96
97static const DECLARE_TLV_DB_SCALE(ssm260x_inpga_tlv, -3450, 150, 0);
98static const DECLARE_TLV_DB_SCALE(ssm260x_sidetone_tlv, -1500, 300, 0);
99
100static const struct snd_kcontrol_new ssm260x_snd_controls[] = {
101SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0,
102 ssm260x_inpga_tlv),
103SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1),
104
105SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1),
106SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0),
107
108SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]),
109};
110
111static const struct snd_kcontrol_new ssm2602_snd_controls[] = {
112SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V,
113 0, 127, 0, ssm260x_outmix_tlv),
114SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V,
115 7, 1, 0),
116SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1,
117 ssm260x_sidetone_tlv),
118
119SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0),
120SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0),
121SOC_SINGLE("Mic Switch", SSM2602_APANA, 1, 1, 1),
122};
123
124
125static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = {
126SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0),
127SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0),
128SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0),
129};
130
131
132static const struct snd_kcontrol_new ssm2602_input_mux_controls =
133SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]);
134
135static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = {
136SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1),
137SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1),
138SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0),
139
140SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0),
141
142SND_SOC_DAPM_OUTPUT("LOUT"),
143SND_SOC_DAPM_OUTPUT("ROUT"),
144SND_SOC_DAPM_INPUT("RLINEIN"),
145SND_SOC_DAPM_INPUT("LLINEIN"),
146};
147
148static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = {
149SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1,
150 ssm260x_output_mixer_controls,
151 ARRAY_SIZE(ssm260x_output_mixer_controls)),
152
153SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls),
154SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1),
155
156SND_SOC_DAPM_OUTPUT("LHPOUT"),
157SND_SOC_DAPM_OUTPUT("RHPOUT"),
158SND_SOC_DAPM_INPUT("MICIN"),
159};
160
161static const struct snd_soc_dapm_widget ssm2604_dapm_widgets[] = {
162SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0,
163 ssm260x_output_mixer_controls,
164 ARRAY_SIZE(ssm260x_output_mixer_controls) - 1),
165};
166
167static const struct snd_soc_dapm_route ssm260x_routes[] = {
168 {"DAC", NULL, "Digital Core Power"},
169 {"ADC", NULL, "Digital Core Power"},
170
171 {"Output Mixer", "Line Bypass Switch", "Line Input"},
172 {"Output Mixer", "HiFi Playback Switch", "DAC"},
173
174 {"ROUT", NULL, "Output Mixer"},
175 {"LOUT", NULL, "Output Mixer"},
176
177 {"Line Input", NULL, "LLINEIN"},
178 {"Line Input", NULL, "RLINEIN"},
179};
180
181static const struct snd_soc_dapm_route ssm2602_routes[] = {
182 {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"},
183
184 {"RHPOUT", NULL, "Output Mixer"},
185 {"LHPOUT", NULL, "Output Mixer"},
186
187 {"Input Mux", "Line", "Line Input"},
188 {"Input Mux", "Mic", "Mic Bias"},
189 {"ADC", NULL, "Input Mux"},
190
191 {"Mic Bias", NULL, "MICIN"},
192};
193
194static const struct snd_soc_dapm_route ssm2604_routes[] = {
195 {"ADC", NULL, "Line Input"},
196};
197
198struct ssm2602_coeff {
199 u32 mclk;
200 u32 rate;
201 u8 srate;
202};
203
204#define SSM2602_COEFF_SRATE(sr, bosr, usb) (((sr) << 2) | ((bosr) << 1) | (usb))
205
206
207static const struct ssm2602_coeff ssm2602_coeff_table[] = {
208
209 {12288000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x0)},
210 {18432000, 48000, SSM2602_COEFF_SRATE(0x0, 0x1, 0x0)},
211 {12000000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x1)},
212
213
214 {12288000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x0)},
215 {18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)},
216 {12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)},
217
218
219 {12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)},
220 {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)},
221 {11289600, 8000, SSM2602_COEFF_SRATE(0xb, 0x0, 0x0)},
222 {16934400, 8000, SSM2602_COEFF_SRATE(0xb, 0x1, 0x0)},
223 {12000000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x1)},
224
225
226 {12288000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x0)},
227 {18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)},
228 {12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)},
229
230
231 {11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)},
232 {16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)},
233 {12000000, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x1)},
234
235
236 {11289600, 88200, SSM2602_COEFF_SRATE(0xf, 0x0, 0x0)},
237 {16934400, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x0)},
238 {12000000, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x1)},
239};
240
241static inline int ssm2602_get_coeff(int mclk, int rate)
242{
243 int i;
244
245 for (i = 0; i < ARRAY_SIZE(ssm2602_coeff_table); i++) {
246 if (ssm2602_coeff_table[i].rate == rate &&
247 ssm2602_coeff_table[i].mclk == mclk)
248 return ssm2602_coeff_table[i].srate;
249 }
250 return -EINVAL;
251}
252
253static int ssm2602_hw_params(struct snd_pcm_substream *substream,
254 struct snd_pcm_hw_params *params,
255 struct snd_soc_dai *dai)
256{
257 struct snd_soc_pcm_runtime *rtd = substream->private_data;
258 struct snd_soc_codec *codec = rtd->codec;
259 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
260 u16 iface = snd_soc_read(codec, SSM2602_IFACE) & 0xfff3;
261 int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params));
262
263 if (substream == ssm2602->slave_substream) {
264 dev_dbg(codec->dev, "Ignoring hw_params for slave substream\n");
265 return 0;
266 }
267
268 if (srate < 0)
269 return srate;
270
271 snd_soc_write(codec, SSM2602_SRATE, srate);
272
273
274 switch (params_format(params)) {
275 case SNDRV_PCM_FORMAT_S16_LE:
276 break;
277 case SNDRV_PCM_FORMAT_S20_3LE:
278 iface |= 0x0004;
279 break;
280 case SNDRV_PCM_FORMAT_S24_LE:
281 iface |= 0x0008;
282 break;
283 case SNDRV_PCM_FORMAT_S32_LE:
284 iface |= 0x000c;
285 break;
286 }
287 snd_soc_write(codec, SSM2602_IFACE, iface);
288 return 0;
289}
290
291static int ssm2602_startup(struct snd_pcm_substream *substream,
292 struct snd_soc_dai *dai)
293{
294 struct snd_soc_pcm_runtime *rtd = substream->private_data;
295 struct snd_soc_codec *codec = rtd->codec;
296 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
297 struct snd_pcm_runtime *master_runtime;
298
299
300
301
302
303 if (ssm2602->master_substream) {
304 master_runtime = ssm2602->master_substream->runtime;
305 dev_dbg(codec->dev, "Constraining to %d bits at %dHz\n",
306 master_runtime->sample_bits,
307 master_runtime->rate);
308
309 if (master_runtime->rate != 0)
310 snd_pcm_hw_constraint_minmax(substream->runtime,
311 SNDRV_PCM_HW_PARAM_RATE,
312 master_runtime->rate,
313 master_runtime->rate);
314
315 if (master_runtime->sample_bits != 0)
316 snd_pcm_hw_constraint_minmax(substream->runtime,
317 SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
318 master_runtime->sample_bits,
319 master_runtime->sample_bits);
320
321 ssm2602->slave_substream = substream;
322 } else
323 ssm2602->master_substream = substream;
324
325 return 0;
326}
327
328static void ssm2602_shutdown(struct snd_pcm_substream *substream,
329 struct snd_soc_dai *dai)
330{
331 struct snd_soc_pcm_runtime *rtd = substream->private_data;
332 struct snd_soc_codec *codec = rtd->codec;
333 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
334
335 if (ssm2602->master_substream == substream)
336 ssm2602->master_substream = ssm2602->slave_substream;
337
338 ssm2602->slave_substream = NULL;
339}
340
341
342static int ssm2602_mute(struct snd_soc_dai *dai, int mute)
343{
344 struct snd_soc_codec *codec = dai->codec;
345
346 if (mute)
347 snd_soc_update_bits(codec, SSM2602_APDIGI,
348 APDIGI_ENABLE_DAC_MUTE,
349 APDIGI_ENABLE_DAC_MUTE);
350 else
351 snd_soc_update_bits(codec, SSM2602_APDIGI,
352 APDIGI_ENABLE_DAC_MUTE, 0);
353 return 0;
354}
355
356static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai,
357 int clk_id, unsigned int freq, int dir)
358{
359 struct snd_soc_codec *codec = codec_dai->codec;
360 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
361
362 if (dir == SND_SOC_CLOCK_IN) {
363 if (clk_id != SSM2602_SYSCLK)
364 return -EINVAL;
365
366 switch (freq) {
367 case 11289600:
368 case 12000000:
369 case 12288000:
370 case 16934400:
371 case 18432000:
372 ssm2602->sysclk = freq;
373 break;
374 default:
375 return -EINVAL;
376 }
377 } else {
378 unsigned int mask;
379
380 switch (clk_id) {
381 case SSM2602_CLK_CLKOUT:
382 mask = PWR_CLK_OUT_PDN;
383 break;
384 case SSM2602_CLK_XTO:
385 mask = PWR_OSC_PDN;
386 break;
387 default:
388 return -EINVAL;
389 }
390
391 if (freq == 0)
392 ssm2602->clk_out_pwr |= mask;
393 else
394 ssm2602->clk_out_pwr &= ~mask;
395
396 snd_soc_update_bits(codec, SSM2602_PWR,
397 PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr);
398 }
399
400 return 0;
401}
402
403static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai,
404 unsigned int fmt)
405{
406 struct snd_soc_codec *codec = codec_dai->codec;
407 u16 iface = 0;
408
409
410 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
411 case SND_SOC_DAIFMT_CBM_CFM:
412 iface |= 0x0040;
413 break;
414 case SND_SOC_DAIFMT_CBS_CFS:
415 break;
416 default:
417 return -EINVAL;
418 }
419
420
421 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
422 case SND_SOC_DAIFMT_I2S:
423 iface |= 0x0002;
424 break;
425 case SND_SOC_DAIFMT_RIGHT_J:
426 break;
427 case SND_SOC_DAIFMT_LEFT_J:
428 iface |= 0x0001;
429 break;
430 case SND_SOC_DAIFMT_DSP_A:
431 iface |= 0x0013;
432 break;
433 case SND_SOC_DAIFMT_DSP_B:
434 iface |= 0x0003;
435 break;
436 default:
437 return -EINVAL;
438 }
439
440
441 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
442 case SND_SOC_DAIFMT_NB_NF:
443 break;
444 case SND_SOC_DAIFMT_IB_IF:
445 iface |= 0x0090;
446 break;
447 case SND_SOC_DAIFMT_IB_NF:
448 iface |= 0x0080;
449 break;
450 case SND_SOC_DAIFMT_NB_IF:
451 iface |= 0x0010;
452 break;
453 default:
454 return -EINVAL;
455 }
456
457
458 snd_soc_write(codec, SSM2602_IFACE, iface);
459 return 0;
460}
461
462static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
463 enum snd_soc_bias_level level)
464{
465 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
466
467 switch (level) {
468 case SND_SOC_BIAS_ON:
469
470 snd_soc_update_bits(codec, SSM2602_PWR,
471 PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
472 ssm2602->clk_out_pwr);
473 break;
474 case SND_SOC_BIAS_PREPARE:
475 break;
476 case SND_SOC_BIAS_STANDBY:
477
478 snd_soc_update_bits(codec, SSM2602_PWR,
479 PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
480 PWR_CLK_OUT_PDN | PWR_OSC_PDN);
481 break;
482 case SND_SOC_BIAS_OFF:
483
484 snd_soc_update_bits(codec, SSM2602_PWR,
485 PWR_POWER_OFF, PWR_POWER_OFF);
486 break;
487
488 }
489 codec->dapm.bias_level = level;
490 return 0;
491}
492
493#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_32000 |\
494 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
495 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
496
497#define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
498 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
499
500static const struct snd_soc_dai_ops ssm2602_dai_ops = {
501 .startup = ssm2602_startup,
502 .hw_params = ssm2602_hw_params,
503 .shutdown = ssm2602_shutdown,
504 .digital_mute = ssm2602_mute,
505 .set_sysclk = ssm2602_set_dai_sysclk,
506 .set_fmt = ssm2602_set_dai_fmt,
507};
508
509static struct snd_soc_dai_driver ssm2602_dai = {
510 .name = "ssm2602-hifi",
511 .playback = {
512 .stream_name = "Playback",
513 .channels_min = 2,
514 .channels_max = 2,
515 .rates = SSM2602_RATES,
516 .formats = SSM2602_FORMATS,},
517 .capture = {
518 .stream_name = "Capture",
519 .channels_min = 2,
520 .channels_max = 2,
521 .rates = SSM2602_RATES,
522 .formats = SSM2602_FORMATS,},
523 .ops = &ssm2602_dai_ops,
524};
525
526static int ssm2602_suspend(struct snd_soc_codec *codec)
527{
528 ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF);
529 return 0;
530}
531
532static int ssm2602_resume(struct snd_soc_codec *codec)
533{
534 snd_soc_cache_sync(codec);
535
536 ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
537
538 return 0;
539}
540
541static int ssm2602_probe(struct snd_soc_codec *codec)
542{
543 struct snd_soc_dapm_context *dapm = &codec->dapm;
544 int ret;
545
546 snd_soc_update_bits(codec, SSM2602_LOUT1V,
547 LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH);
548 snd_soc_update_bits(codec, SSM2602_ROUT1V,
549 ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH);
550
551 ret = snd_soc_add_controls(codec, ssm2602_snd_controls,
552 ARRAY_SIZE(ssm2602_snd_controls));
553 if (ret)
554 return ret;
555
556 ret = snd_soc_dapm_new_controls(dapm, ssm2602_dapm_widgets,
557 ARRAY_SIZE(ssm2602_dapm_widgets));
558 if (ret)
559 return ret;
560
561 return snd_soc_dapm_add_routes(dapm, ssm2602_routes,
562 ARRAY_SIZE(ssm2602_routes));
563}
564
565static int ssm2604_probe(struct snd_soc_codec *codec)
566{
567 struct snd_soc_dapm_context *dapm = &codec->dapm;
568 int ret;
569
570 ret = snd_soc_dapm_new_controls(dapm, ssm2604_dapm_widgets,
571 ARRAY_SIZE(ssm2604_dapm_widgets));
572 if (ret)
573 return ret;
574
575 return snd_soc_dapm_add_routes(dapm, ssm2604_routes,
576 ARRAY_SIZE(ssm2604_routes));
577}
578
579static int ssm260x_probe(struct snd_soc_codec *codec)
580{
581 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
582 int ret;
583
584 pr_info("ssm2602 Audio Codec %s", SSM2602_VERSION);
585
586 ret = snd_soc_codec_set_cache_io(codec, 7, 9, ssm2602->control_type);
587 if (ret < 0) {
588 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
589 return ret;
590 }
591
592 ret = ssm2602_reset(codec);
593 if (ret < 0) {
594 dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
595 return ret;
596 }
597
598
599 snd_soc_update_bits(codec, SSM2602_LINVOL,
600 LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH);
601 snd_soc_update_bits(codec, SSM2602_RINVOL,
602 RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH);
603
604 snd_soc_write(codec, SSM2602_APANA, APANA_SELECT_DAC |
605 APANA_ENABLE_MIC_BOOST);
606
607 switch (ssm2602->type) {
608 case SSM2602:
609 ret = ssm2602_probe(codec);
610 break;
611 case SSM2604:
612 ret = ssm2604_probe(codec);
613 break;
614 }
615
616 if (ret)
617 return ret;
618
619 ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
620
621 return 0;
622}
623
624
625static int ssm2602_remove(struct snd_soc_codec *codec)
626{
627 ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF);
628 return 0;
629}
630
631static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = {
632 .probe = ssm260x_probe,
633 .remove = ssm2602_remove,
634 .suspend = ssm2602_suspend,
635 .resume = ssm2602_resume,
636 .set_bias_level = ssm2602_set_bias_level,
637 .reg_cache_size = ARRAY_SIZE(ssm2602_reg),
638 .reg_word_size = sizeof(u16),
639 .reg_cache_default = ssm2602_reg,
640
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};
648
649#if defined(CONFIG_SPI_MASTER)
650static int __devinit ssm2602_spi_probe(struct spi_device *spi)
651{
652 struct ssm2602_priv *ssm2602;
653 int ret;
654
655 ssm2602 = devm_kzalloc(&spi->dev, sizeof(struct ssm2602_priv),
656 GFP_KERNEL);
657 if (ssm2602 == NULL)
658 return -ENOMEM;
659
660 spi_set_drvdata(spi, ssm2602);
661 ssm2602->control_type = SND_SOC_SPI;
662 ssm2602->type = SSM2602;
663
664 ret = snd_soc_register_codec(&spi->dev,
665 &soc_codec_dev_ssm2602, &ssm2602_dai, 1);
666 return ret;
667}
668
669static int __devexit ssm2602_spi_remove(struct spi_device *spi)
670{
671 snd_soc_unregister_codec(&spi->dev);
672 return 0;
673}
674
675static struct spi_driver ssm2602_spi_driver = {
676 .driver = {
677 .name = "ssm2602",
678 .owner = THIS_MODULE,
679 },
680 .probe = ssm2602_spi_probe,
681 .remove = __devexit_p(ssm2602_spi_remove),
682};
683#endif
684
685#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
686
687
688
689
690
691
692static int __devinit ssm2602_i2c_probe(struct i2c_client *i2c,
693 const struct i2c_device_id *id)
694{
695 struct ssm2602_priv *ssm2602;
696 int ret;
697
698 ssm2602 = devm_kzalloc(&i2c->dev, sizeof(struct ssm2602_priv),
699 GFP_KERNEL);
700 if (ssm2602 == NULL)
701 return -ENOMEM;
702
703 i2c_set_clientdata(i2c, ssm2602);
704 ssm2602->control_type = SND_SOC_I2C;
705 ssm2602->type = id->driver_data;
706
707 ret = snd_soc_register_codec(&i2c->dev,
708 &soc_codec_dev_ssm2602, &ssm2602_dai, 1);
709 return ret;
710}
711
712static int __devexit ssm2602_i2c_remove(struct i2c_client *client)
713{
714 snd_soc_unregister_codec(&client->dev);
715 return 0;
716}
717
718static const struct i2c_device_id ssm2602_i2c_id[] = {
719 { "ssm2602", SSM2602 },
720 { "ssm2603", SSM2602 },
721 { "ssm2604", SSM2604 },
722 { }
723};
724MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
725
726
727static struct i2c_driver ssm2602_i2c_driver = {
728 .driver = {
729 .name = "ssm2602",
730 .owner = THIS_MODULE,
731 },
732 .probe = ssm2602_i2c_probe,
733 .remove = __devexit_p(ssm2602_i2c_remove),
734 .id_table = ssm2602_i2c_id,
735};
736#endif
737
738
739static int __init ssm2602_modinit(void)
740{
741 int ret = 0;
742
743#if defined(CONFIG_SPI_MASTER)
744 ret = spi_register_driver(&ssm2602_spi_driver);
745 if (ret)
746 return ret;
747#endif
748
749#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
750 ret = i2c_add_driver(&ssm2602_i2c_driver);
751 if (ret)
752 return ret;
753#endif
754
755 return ret;
756}
757module_init(ssm2602_modinit);
758
759static void __exit ssm2602_exit(void)
760{
761#if defined(CONFIG_SPI_MASTER)
762 spi_unregister_driver(&ssm2602_spi_driver);
763#endif
764
765#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
766 i2c_del_driver(&ssm2602_i2c_driver);
767#endif
768}
769module_exit(ssm2602_exit);
770
771MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver");
772MODULE_AUTHOR("Cliff Cai");
773MODULE_LICENSE("GPL");
774
