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10#include <linux/module.h>
11#include <linux/init.h>
12#include <linux/delay.h>
13#include <linux/slab.h>
14#include <sound/core.h>
15#include <sound/pcm.h>
16#include <sound/pcm_params.h>
17#include <sound/soc.h>
18#include <sound/tlv.h>
19#include <linux/gcd.h>
20#include <linux/i2c.h>
21#include <linux/spi/spi.h>
22#include <linux/regmap.h>
23
24#include "sigmadsp.h"
25#include "adau17x1.h"
26
27static const char * const adau17x1_capture_mixer_boost_text[] = {
28 "Normal operation", "Boost Level 1", "Boost Level 2", "Boost Level 3",
29};
30
31static SOC_ENUM_SINGLE_DECL(adau17x1_capture_boost_enum,
32 ADAU17X1_REC_POWER_MGMT, 5, adau17x1_capture_mixer_boost_text);
33
34static const char * const adau17x1_mic_bias_mode_text[] = {
35 "Normal operation", "High performance",
36};
37
38static SOC_ENUM_SINGLE_DECL(adau17x1_mic_bias_mode_enum,
39 ADAU17X1_MICBIAS, 3, adau17x1_mic_bias_mode_text);
40
41static const DECLARE_TLV_DB_MINMAX(adau17x1_digital_tlv, -9563, 0);
42
43static const struct snd_kcontrol_new adau17x1_controls[] = {
44 SOC_DOUBLE_R_TLV("Digital Capture Volume",
45 ADAU17X1_LEFT_INPUT_DIGITAL_VOL,
46 ADAU17X1_RIGHT_INPUT_DIGITAL_VOL,
47 0, 0xff, 1, adau17x1_digital_tlv),
48 SOC_DOUBLE_R_TLV("Digital Playback Volume", ADAU17X1_DAC_CONTROL1,
49 ADAU17X1_DAC_CONTROL2, 0, 0xff, 1, adau17x1_digital_tlv),
50
51 SOC_SINGLE("ADC High Pass Filter Switch", ADAU17X1_ADC_CONTROL,
52 5, 1, 0),
53 SOC_SINGLE("Playback De-emphasis Switch", ADAU17X1_DAC_CONTROL0,
54 2, 1, 0),
55
56 SOC_ENUM("Capture Boost", adau17x1_capture_boost_enum),
57
58 SOC_ENUM("Mic Bias Mode", adau17x1_mic_bias_mode_enum),
59};
60
61static int adau17x1_pll_event(struct snd_soc_dapm_widget *w,
62 struct snd_kcontrol *kcontrol, int event)
63{
64 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
65 struct adau *adau = snd_soc_codec_get_drvdata(codec);
66 int ret;
67
68 if (SND_SOC_DAPM_EVENT_ON(event)) {
69 adau->pll_regs[5] = 1;
70 } else {
71 adau->pll_regs[5] = 0;
72
73
74 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
75 ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL, 0);
76 }
77
78
79 ret = regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL,
80 adau->pll_regs, ARRAY_SIZE(adau->pll_regs));
81
82 if (SND_SOC_DAPM_EVENT_ON(event)) {
83 mdelay(5);
84 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
85 ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL,
86 ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL);
87 }
88
89 return 0;
90}
91
92static const char * const adau17x1_mono_stereo_text[] = {
93 "Stereo",
94 "Mono Left Channel (L+R)",
95 "Mono Right Channel (L+R)",
96 "Mono (L+R)",
97};
98
99static SOC_ENUM_SINGLE_DECL(adau17x1_dac_mode_enum,
100 ADAU17X1_DAC_CONTROL0, 6, adau17x1_mono_stereo_text);
101
102static const struct snd_kcontrol_new adau17x1_dac_mode_mux =
103 SOC_DAPM_ENUM("DAC Mono-Stereo-Mode", adau17x1_dac_mode_enum);
104
105static const struct snd_soc_dapm_widget adau17x1_dapm_widgets[] = {
106 SND_SOC_DAPM_SUPPLY_S("PLL", 3, SND_SOC_NOPM, 0, 0, adau17x1_pll_event,
107 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
108
109 SND_SOC_DAPM_SUPPLY("AIFCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
110
111 SND_SOC_DAPM_SUPPLY("MICBIAS", ADAU17X1_MICBIAS, 0, 0, NULL, 0),
112
113 SND_SOC_DAPM_SUPPLY("Left Playback Enable", ADAU17X1_PLAY_POWER_MGMT,
114 0, 0, NULL, 0),
115 SND_SOC_DAPM_SUPPLY("Right Playback Enable", ADAU17X1_PLAY_POWER_MGMT,
116 1, 0, NULL, 0),
117
118 SND_SOC_DAPM_MUX("Left DAC Mode Mux", SND_SOC_NOPM, 0, 0,
119 &adau17x1_dac_mode_mux),
120 SND_SOC_DAPM_MUX("Right DAC Mode Mux", SND_SOC_NOPM, 0, 0,
121 &adau17x1_dac_mode_mux),
122
123 SND_SOC_DAPM_ADC("Left Decimator", NULL, ADAU17X1_ADC_CONTROL, 0, 0),
124 SND_SOC_DAPM_ADC("Right Decimator", NULL, ADAU17X1_ADC_CONTROL, 1, 0),
125 SND_SOC_DAPM_DAC("Left DAC", NULL, ADAU17X1_DAC_CONTROL0, 0, 0),
126 SND_SOC_DAPM_DAC("Right DAC", NULL, ADAU17X1_DAC_CONTROL0, 1, 0),
127};
128
129static const struct snd_soc_dapm_route adau17x1_dapm_routes[] = {
130 { "Left Decimator", NULL, "SYSCLK" },
131 { "Right Decimator", NULL, "SYSCLK" },
132 { "Left DAC", NULL, "SYSCLK" },
133 { "Right DAC", NULL, "SYSCLK" },
134 { "Capture", NULL, "SYSCLK" },
135 { "Playback", NULL, "SYSCLK" },
136
137 { "Left DAC", NULL, "Left DAC Mode Mux" },
138 { "Right DAC", NULL, "Right DAC Mode Mux" },
139
140 { "Capture", NULL, "AIFCLK" },
141 { "Playback", NULL, "AIFCLK" },
142};
143
144static const struct snd_soc_dapm_route adau17x1_dapm_pll_route = {
145 "SYSCLK", NULL, "PLL",
146};
147
148
149
150
151
152
153
154static int adau17x1_dsp_mux_enum_put(struct snd_kcontrol *kcontrol,
155 struct snd_ctl_elem_value *ucontrol)
156{
157 struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
158 struct adau *adau = snd_soc_codec_get_drvdata(codec);
159 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
160 struct snd_soc_dapm_update update;
161 unsigned int stream = e->shift_l;
162 unsigned int val, change;
163 int reg;
164
165 if (ucontrol->value.enumerated.item[0] >= e->items)
166 return -EINVAL;
167
168 switch (ucontrol->value.enumerated.item[0]) {
169 case 0:
170 val = 0;
171 adau->dsp_bypass[stream] = false;
172 break;
173 default:
174 val = (adau->tdm_slot[stream] * 2) + 1;
175 adau->dsp_bypass[stream] = true;
176 break;
177 }
178
179 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
180 reg = ADAU17X1_SERIAL_INPUT_ROUTE;
181 else
182 reg = ADAU17X1_SERIAL_OUTPUT_ROUTE;
183
184 change = snd_soc_test_bits(codec, reg, 0xff, val);
185 if (change) {
186 update.kcontrol = kcontrol;
187 update.mask = 0xff;
188 update.reg = reg;
189 update.val = val;
190
191 snd_soc_dapm_mux_update_power(&codec->dapm, kcontrol,
192 ucontrol->value.enumerated.item[0], e, &update);
193 }
194
195 return change;
196}
197
198static int adau17x1_dsp_mux_enum_get(struct snd_kcontrol *kcontrol,
199 struct snd_ctl_elem_value *ucontrol)
200{
201 struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
202 struct adau *adau = snd_soc_codec_get_drvdata(codec);
203 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
204 unsigned int stream = e->shift_l;
205 unsigned int reg, val;
206 int ret;
207
208 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
209 reg = ADAU17X1_SERIAL_INPUT_ROUTE;
210 else
211 reg = ADAU17X1_SERIAL_OUTPUT_ROUTE;
212
213 ret = regmap_read(adau->regmap, reg, &val);
214 if (ret)
215 return ret;
216
217 if (val != 0)
218 val = 1;
219 ucontrol->value.enumerated.item[0] = val;
220
221 return 0;
222}
223
224#define DECLARE_ADAU17X1_DSP_MUX_CTRL(_name, _label, _stream, _text) \
225 const struct snd_kcontrol_new _name = \
226 SOC_DAPM_ENUM_EXT(_label, (const struct soc_enum)\
227 SOC_ENUM_SINGLE(SND_SOC_NOPM, _stream, \
228 ARRAY_SIZE(_text), _text), \
229 adau17x1_dsp_mux_enum_get, adau17x1_dsp_mux_enum_put)
230
231static const char * const adau17x1_dac_mux_text[] = {
232 "DSP",
233 "AIFIN",
234};
235
236static const char * const adau17x1_capture_mux_text[] = {
237 "DSP",
238 "Decimator",
239};
240
241static DECLARE_ADAU17X1_DSP_MUX_CTRL(adau17x1_dac_mux, "DAC Playback Mux",
242 SNDRV_PCM_STREAM_PLAYBACK, adau17x1_dac_mux_text);
243
244static DECLARE_ADAU17X1_DSP_MUX_CTRL(adau17x1_capture_mux, "Capture Mux",
245 SNDRV_PCM_STREAM_CAPTURE, adau17x1_capture_mux_text);
246
247static const struct snd_soc_dapm_widget adau17x1_dsp_dapm_widgets[] = {
248 SND_SOC_DAPM_PGA("DSP", ADAU17X1_DSP_RUN, 0, 0, NULL, 0),
249 SND_SOC_DAPM_SIGGEN("DSP Siggen"),
250
251 SND_SOC_DAPM_MUX("DAC Playback Mux", SND_SOC_NOPM, 0, 0,
252 &adau17x1_dac_mux),
253 SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM, 0, 0,
254 &adau17x1_capture_mux),
255};
256
257static const struct snd_soc_dapm_route adau17x1_dsp_dapm_routes[] = {
258 { "DAC Playback Mux", "DSP", "DSP" },
259 { "DAC Playback Mux", "AIFIN", "Playback" },
260
261 { "Left DAC Mode Mux", "Stereo", "DAC Playback Mux" },
262 { "Left DAC Mode Mux", "Mono (L+R)", "DAC Playback Mux" },
263 { "Left DAC Mode Mux", "Mono Left Channel (L+R)", "DAC Playback Mux" },
264 { "Right DAC Mode Mux", "Stereo", "DAC Playback Mux" },
265 { "Right DAC Mode Mux", "Mono (L+R)", "DAC Playback Mux" },
266 { "Right DAC Mode Mux", "Mono Right Channel (L+R)", "DAC Playback Mux" },
267
268 { "Capture Mux", "DSP", "DSP" },
269 { "Capture Mux", "Decimator", "Left Decimator" },
270 { "Capture Mux", "Decimator", "Right Decimator" },
271
272 { "Capture", NULL, "Capture Mux" },
273
274 { "DSP", NULL, "DSP Siggen" },
275
276 { "DSP", NULL, "Left Decimator" },
277 { "DSP", NULL, "Right Decimator" },
278};
279
280static const struct snd_soc_dapm_route adau17x1_no_dsp_dapm_routes[] = {
281 { "Left DAC Mode Mux", "Stereo", "Playback" },
282 { "Left DAC Mode Mux", "Mono (L+R)", "Playback" },
283 { "Left DAC Mode Mux", "Mono Left Channel (L+R)", "Playback" },
284 { "Right DAC Mode Mux", "Stereo", "Playback" },
285 { "Right DAC Mode Mux", "Mono (L+R)", "Playback" },
286 { "Right DAC Mode Mux", "Mono Right Channel (L+R)", "Playback" },
287 { "Capture", NULL, "Left Decimator" },
288 { "Capture", NULL, "Right Decimator" },
289};
290
291bool adau17x1_has_dsp(struct adau *adau)
292{
293 switch (adau->type) {
294 case ADAU1761:
295 case ADAU1381:
296 case ADAU1781:
297 return true;
298 default:
299 return false;
300 }
301}
302EXPORT_SYMBOL_GPL(adau17x1_has_dsp);
303
304static int adau17x1_hw_params(struct snd_pcm_substream *substream,
305 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
306{
307 struct snd_soc_codec *codec = dai->codec;
308 struct adau *adau = snd_soc_codec_get_drvdata(codec);
309 unsigned int val, div, dsp_div;
310 unsigned int freq;
311 int ret;
312
313 if (adau->clk_src == ADAU17X1_CLK_SRC_PLL)
314 freq = adau->pll_freq;
315 else
316 freq = adau->sysclk;
317
318 if (freq % params_rate(params) != 0)
319 return -EINVAL;
320
321 switch (freq / params_rate(params)) {
322 case 1024:
323 div = 0;
324 dsp_div = 1;
325 break;
326 case 6144:
327 div = 1;
328 dsp_div = 6;
329 break;
330 case 4096:
331 div = 2;
332 dsp_div = 5;
333 break;
334 case 3072:
335 div = 3;
336 dsp_div = 4;
337 break;
338 case 2048:
339 div = 4;
340 dsp_div = 3;
341 break;
342 case 1536:
343 div = 5;
344 dsp_div = 2;
345 break;
346 case 512:
347 div = 6;
348 dsp_div = 0;
349 break;
350 default:
351 return -EINVAL;
352 }
353
354 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
355 ADAU17X1_CONVERTER0_CONVSR_MASK, div);
356 if (adau17x1_has_dsp(adau)) {
357 regmap_write(adau->regmap, ADAU17X1_SERIAL_SAMPLING_RATE, div);
358 regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dsp_div);
359 }
360
361 if (adau->sigmadsp) {
362 ret = adau17x1_setup_firmware(adau, params_rate(params));
363 if (ret < 0)
364 return ret;
365 }
366
367 if (adau->dai_fmt != SND_SOC_DAIFMT_RIGHT_J)
368 return 0;
369
370 switch (params_width(params)) {
371 case 16:
372 val = ADAU17X1_SERIAL_PORT1_DELAY16;
373 break;
374 case 24:
375 val = ADAU17X1_SERIAL_PORT1_DELAY8;
376 break;
377 case 32:
378 val = ADAU17X1_SERIAL_PORT1_DELAY0;
379 break;
380 default:
381 return -EINVAL;
382 }
383
384 return regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1,
385 ADAU17X1_SERIAL_PORT1_DELAY_MASK, val);
386}
387
388static int adau17x1_set_dai_pll(struct snd_soc_dai *dai, int pll_id,
389 int source, unsigned int freq_in, unsigned int freq_out)
390{
391 struct snd_soc_codec *codec = dai->codec;
392 struct adau *adau = snd_soc_codec_get_drvdata(codec);
393 unsigned int r, n, m, i, j;
394 unsigned int div;
395 int ret;
396
397 if (freq_in < 8000000 || freq_in > 27000000)
398 return -EINVAL;
399
400 if (!freq_out) {
401 r = 0;
402 n = 0;
403 m = 0;
404 div = 0;
405 } else {
406 if (freq_out % freq_in != 0) {
407 div = DIV_ROUND_UP(freq_in, 13500000);
408 freq_in /= div;
409 r = freq_out / freq_in;
410 i = freq_out % freq_in;
411 j = gcd(i, freq_in);
412 n = i / j;
413 m = freq_in / j;
414 div--;
415 } else {
416 r = freq_out / freq_in;
417 n = 0;
418 m = 0;
419 div = 0;
420 }
421 if (n > 0xffff || m > 0xffff || div > 3 || r > 8 || r < 2)
422 return -EINVAL;
423 }
424
425 adau->pll_regs[0] = m >> 8;
426 adau->pll_regs[1] = m & 0xff;
427 adau->pll_regs[2] = n >> 8;
428 adau->pll_regs[3] = n & 0xff;
429 adau->pll_regs[4] = (r << 3) | (div << 1);
430 if (m != 0)
431 adau->pll_regs[4] |= 1;
432
433
434 ret = regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL,
435 adau->pll_regs, ARRAY_SIZE(adau->pll_regs));
436 if (ret)
437 return ret;
438
439 adau->pll_freq = freq_out;
440
441 return 0;
442}
443
444static int adau17x1_set_dai_sysclk(struct snd_soc_dai *dai,
445 int clk_id, unsigned int freq, int dir)
446{
447 struct adau *adau = snd_soc_codec_get_drvdata(dai->codec);
448 struct snd_soc_dapm_context *dapm = &dai->codec->dapm;
449
450 switch (clk_id) {
451 case ADAU17X1_CLK_SRC_MCLK:
452 case ADAU17X1_CLK_SRC_PLL:
453 break;
454 default:
455 return -EINVAL;
456 }
457
458 adau->sysclk = freq;
459
460 if (adau->clk_src != clk_id) {
461 if (clk_id == ADAU17X1_CLK_SRC_PLL) {
462 snd_soc_dapm_add_routes(dapm,
463 &adau17x1_dapm_pll_route, 1);
464 } else {
465 snd_soc_dapm_del_routes(dapm,
466 &adau17x1_dapm_pll_route, 1);
467 }
468 }
469
470 adau->clk_src = clk_id;
471
472 return 0;
473}
474
475static int adau17x1_set_dai_fmt(struct snd_soc_dai *dai,
476 unsigned int fmt)
477{
478 struct adau *adau = snd_soc_codec_get_drvdata(dai->codec);
479 unsigned int ctrl0, ctrl1;
480 int lrclk_pol;
481
482 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
483 case SND_SOC_DAIFMT_CBM_CFM:
484 ctrl0 = ADAU17X1_SERIAL_PORT0_MASTER;
485 adau->master = true;
486 break;
487 case SND_SOC_DAIFMT_CBS_CFS:
488 ctrl0 = 0;
489 adau->master = false;
490 break;
491 default:
492 return -EINVAL;
493 }
494
495 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
496 case SND_SOC_DAIFMT_I2S:
497 lrclk_pol = 0;
498 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY1;
499 break;
500 case SND_SOC_DAIFMT_LEFT_J:
501 case SND_SOC_DAIFMT_RIGHT_J:
502 lrclk_pol = 1;
503 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY0;
504 break;
505 case SND_SOC_DAIFMT_DSP_A:
506 lrclk_pol = 1;
507 ctrl0 |= ADAU17X1_SERIAL_PORT0_PULSE_MODE;
508 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY1;
509 break;
510 case SND_SOC_DAIFMT_DSP_B:
511 lrclk_pol = 1;
512 ctrl0 |= ADAU17X1_SERIAL_PORT0_PULSE_MODE;
513 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY0;
514 break;
515 default:
516 return -EINVAL;
517 }
518
519 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
520 case SND_SOC_DAIFMT_NB_NF:
521 break;
522 case SND_SOC_DAIFMT_IB_NF:
523 ctrl0 |= ADAU17X1_SERIAL_PORT0_BCLK_POL;
524 break;
525 case SND_SOC_DAIFMT_NB_IF:
526 lrclk_pol = !lrclk_pol;
527 break;
528 case SND_SOC_DAIFMT_IB_IF:
529 ctrl0 |= ADAU17X1_SERIAL_PORT0_BCLK_POL;
530 lrclk_pol = !lrclk_pol;
531 break;
532 default:
533 return -EINVAL;
534 }
535
536 if (lrclk_pol)
537 ctrl0 |= ADAU17X1_SERIAL_PORT0_LRCLK_POL;
538
539 regmap_write(adau->regmap, ADAU17X1_SERIAL_PORT0, ctrl0);
540 regmap_write(adau->regmap, ADAU17X1_SERIAL_PORT1, ctrl1);
541
542 adau->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
543
544 return 0;
545}
546
547static int adau17x1_set_dai_tdm_slot(struct snd_soc_dai *dai,
548 unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
549{
550 struct adau *adau = snd_soc_codec_get_drvdata(dai->codec);
551 unsigned int ser_ctrl0, ser_ctrl1;
552 unsigned int conv_ctrl0, conv_ctrl1;
553
554
555 if (slots == 0) {
556 slots = 2;
557 rx_mask = 3;
558 tx_mask = 3;
559 slot_width = 32;
560 }
561
562 switch (slots) {
563 case 2:
564 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_STEREO;
565 break;
566 case 4:
567 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_TDM4;
568 break;
569 case 8:
570 if (adau->type == ADAU1361)
571 return -EINVAL;
572
573 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_TDM8;
574 break;
575 default:
576 return -EINVAL;
577 }
578
579 switch (slot_width * slots) {
580 case 32:
581 if (adau->type == ADAU1761)
582 return -EINVAL;
583
584 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK32;
585 break;
586 case 64:
587 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK64;
588 break;
589 case 48:
590 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK48;
591 break;
592 case 128:
593 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK128;
594 break;
595 case 256:
596 if (adau->type == ADAU1361)
597 return -EINVAL;
598
599 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK256;
600 break;
601 default:
602 return -EINVAL;
603 }
604
605 switch (rx_mask) {
606 case 0x03:
607 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(1);
608 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 0;
609 break;
610 case 0x0c:
611 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(2);
612 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 1;
613 break;
614 case 0x30:
615 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(3);
616 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 2;
617 break;
618 case 0xc0:
619 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(4);
620 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 3;
621 break;
622 default:
623 return -EINVAL;
624 }
625
626 switch (tx_mask) {
627 case 0x03:
628 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(1);
629 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 0;
630 break;
631 case 0x0c:
632 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(2);
633 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 1;
634 break;
635 case 0x30:
636 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(3);
637 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 2;
638 break;
639 case 0xc0:
640 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(4);
641 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 3;
642 break;
643 default:
644 return -EINVAL;
645 }
646
647 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
648 ADAU17X1_CONVERTER0_DAC_PAIR_MASK, conv_ctrl0);
649 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER1,
650 ADAU17X1_CONVERTER1_ADC_PAIR_MASK, conv_ctrl1);
651 regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT0,
652 ADAU17X1_SERIAL_PORT0_TDM_MASK, ser_ctrl0);
653 regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1,
654 ADAU17X1_SERIAL_PORT1_BCLK_MASK, ser_ctrl1);
655
656 if (!adau17x1_has_dsp(adau))
657 return 0;
658
659 if (adau->dsp_bypass[SNDRV_PCM_STREAM_PLAYBACK]) {
660 regmap_write(adau->regmap, ADAU17X1_SERIAL_INPUT_ROUTE,
661 (adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] * 2) + 1);
662 }
663
664 if (adau->dsp_bypass[SNDRV_PCM_STREAM_CAPTURE]) {
665 regmap_write(adau->regmap, ADAU17X1_SERIAL_OUTPUT_ROUTE,
666 (adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] * 2) + 1);
667 }
668
669 return 0;
670}
671
672static int adau17x1_startup(struct snd_pcm_substream *substream,
673 struct snd_soc_dai *dai)
674{
675 struct adau *adau = snd_soc_codec_get_drvdata(dai->codec);
676
677 if (adau->sigmadsp)
678 return sigmadsp_restrict_params(adau->sigmadsp, substream);
679
680 return 0;
681}
682
683const struct snd_soc_dai_ops adau17x1_dai_ops = {
684 .hw_params = adau17x1_hw_params,
685 .set_sysclk = adau17x1_set_dai_sysclk,
686 .set_fmt = adau17x1_set_dai_fmt,
687 .set_pll = adau17x1_set_dai_pll,
688 .set_tdm_slot = adau17x1_set_dai_tdm_slot,
689 .startup = adau17x1_startup,
690};
691EXPORT_SYMBOL_GPL(adau17x1_dai_ops);
692
693int adau17x1_set_micbias_voltage(struct snd_soc_codec *codec,
694 enum adau17x1_micbias_voltage micbias)
695{
696 struct adau *adau = snd_soc_codec_get_drvdata(codec);
697
698 switch (micbias) {
699 case ADAU17X1_MICBIAS_0_90_AVDD:
700 case ADAU17X1_MICBIAS_0_65_AVDD:
701 break;
702 default:
703 return -EINVAL;
704 }
705
706 return regmap_write(adau->regmap, ADAU17X1_MICBIAS, micbias << 2);
707}
708EXPORT_SYMBOL_GPL(adau17x1_set_micbias_voltage);
709
710bool adau17x1_precious_register(struct device *dev, unsigned int reg)
711{
712
713 if (reg < 0x400)
714 return true;
715
716 return false;
717}
718EXPORT_SYMBOL_GPL(adau17x1_precious_register);
719
720bool adau17x1_readable_register(struct device *dev, unsigned int reg)
721{
722
723 if (reg < 0x400)
724 return true;
725
726 switch (reg) {
727 case ADAU17X1_CLOCK_CONTROL:
728 case ADAU17X1_PLL_CONTROL:
729 case ADAU17X1_REC_POWER_MGMT:
730 case ADAU17X1_MICBIAS:
731 case ADAU17X1_SERIAL_PORT0:
732 case ADAU17X1_SERIAL_PORT1:
733 case ADAU17X1_CONVERTER0:
734 case ADAU17X1_CONVERTER1:
735 case ADAU17X1_LEFT_INPUT_DIGITAL_VOL:
736 case ADAU17X1_RIGHT_INPUT_DIGITAL_VOL:
737 case ADAU17X1_ADC_CONTROL:
738 case ADAU17X1_PLAY_POWER_MGMT:
739 case ADAU17X1_DAC_CONTROL0:
740 case ADAU17X1_DAC_CONTROL1:
741 case ADAU17X1_DAC_CONTROL2:
742 case ADAU17X1_SERIAL_PORT_PAD:
743 case ADAU17X1_CONTROL_PORT_PAD0:
744 case ADAU17X1_CONTROL_PORT_PAD1:
745 case ADAU17X1_DSP_SAMPLING_RATE:
746 case ADAU17X1_SERIAL_INPUT_ROUTE:
747 case ADAU17X1_SERIAL_OUTPUT_ROUTE:
748 case ADAU17X1_DSP_ENABLE:
749 case ADAU17X1_DSP_RUN:
750 case ADAU17X1_SERIAL_SAMPLING_RATE:
751 return true;
752 default:
753 break;
754 }
755 return false;
756}
757EXPORT_SYMBOL_GPL(adau17x1_readable_register);
758
759bool adau17x1_volatile_register(struct device *dev, unsigned int reg)
760{
761
762 if (reg < 0x4000)
763 return true;
764
765 switch (reg) {
766
767 case ADAU17X1_PLL_CONTROL:
768 case ADAU17X1_PLL_CONTROL + 1:
769 case ADAU17X1_PLL_CONTROL + 2:
770 case ADAU17X1_PLL_CONTROL + 3:
771 case ADAU17X1_PLL_CONTROL + 4:
772 case ADAU17X1_PLL_CONTROL + 5:
773 return true;
774 default:
775 break;
776 }
777
778 return false;
779}
780EXPORT_SYMBOL_GPL(adau17x1_volatile_register);
781
782int adau17x1_setup_firmware(struct adau *adau, unsigned int rate)
783{
784 int ret;
785 int dspsr;
786
787 ret = regmap_read(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, &dspsr);
788 if (ret)
789 return ret;
790
791 regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 1);
792 regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, 0xf);
793
794 ret = sigmadsp_setup(adau->sigmadsp, rate);
795 if (ret) {
796 regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 0);
797 return ret;
798 }
799 regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dspsr);
800
801 return 0;
802}
803EXPORT_SYMBOL_GPL(adau17x1_setup_firmware);
804
805int adau17x1_add_widgets(struct snd_soc_codec *codec)
806{
807 struct adau *adau = snd_soc_codec_get_drvdata(codec);
808 int ret;
809
810 ret = snd_soc_add_codec_controls(codec, adau17x1_controls,
811 ARRAY_SIZE(adau17x1_controls));
812 if (ret)
813 return ret;
814 ret = snd_soc_dapm_new_controls(&codec->dapm, adau17x1_dapm_widgets,
815 ARRAY_SIZE(adau17x1_dapm_widgets));
816 if (ret)
817 return ret;
818
819 if (adau17x1_has_dsp(adau)) {
820 ret = snd_soc_dapm_new_controls(&codec->dapm,
821 adau17x1_dsp_dapm_widgets,
822 ARRAY_SIZE(adau17x1_dsp_dapm_widgets));
823 if (ret)
824 return ret;
825
826 if (!adau->sigmadsp)
827 return 0;
828
829 ret = sigmadsp_attach(adau->sigmadsp, &codec->component);
830 if (ret) {
831 dev_err(codec->dev, "Failed to attach firmware: %d\n",
832 ret);
833 return ret;
834 }
835 }
836
837 return 0;
838}
839EXPORT_SYMBOL_GPL(adau17x1_add_widgets);
840
841int adau17x1_add_routes(struct snd_soc_codec *codec)
842{
843 struct adau *adau = snd_soc_codec_get_drvdata(codec);
844 int ret;
845
846 ret = snd_soc_dapm_add_routes(&codec->dapm, adau17x1_dapm_routes,
847 ARRAY_SIZE(adau17x1_dapm_routes));
848 if (ret)
849 return ret;
850
851 if (adau17x1_has_dsp(adau)) {
852 ret = snd_soc_dapm_add_routes(&codec->dapm,
853 adau17x1_dsp_dapm_routes,
854 ARRAY_SIZE(adau17x1_dsp_dapm_routes));
855 } else {
856 ret = snd_soc_dapm_add_routes(&codec->dapm,
857 adau17x1_no_dsp_dapm_routes,
858 ARRAY_SIZE(adau17x1_no_dsp_dapm_routes));
859 }
860 return ret;
861}
862EXPORT_SYMBOL_GPL(adau17x1_add_routes);
863
864int adau17x1_resume(struct snd_soc_codec *codec)
865{
866 struct adau *adau = snd_soc_codec_get_drvdata(codec);
867
868 if (adau->switch_mode)
869 adau->switch_mode(codec->dev);
870
871 regcache_sync(adau->regmap);
872
873 return 0;
874}
875EXPORT_SYMBOL_GPL(adau17x1_resume);
876
877int adau17x1_probe(struct device *dev, struct regmap *regmap,
878 enum adau17x1_type type, void (*switch_mode)(struct device *dev),
879 const char *firmware_name)
880{
881 struct adau *adau;
882
883 if (IS_ERR(regmap))
884 return PTR_ERR(regmap);
885
886 adau = devm_kzalloc(dev, sizeof(*adau), GFP_KERNEL);
887 if (!adau)
888 return -ENOMEM;
889
890 adau->regmap = regmap;
891 adau->switch_mode = switch_mode;
892 adau->type = type;
893
894 dev_set_drvdata(dev, adau);
895
896 if (firmware_name) {
897 adau->sigmadsp = devm_sigmadsp_init_regmap(dev, regmap, NULL,
898 firmware_name);
899 if (IS_ERR(adau->sigmadsp)) {
900 dev_warn(dev, "Could not find firmware file: %ld\n",
901 PTR_ERR(adau->sigmadsp));
902 adau->sigmadsp = NULL;
903 }
904 }
905
906 if (switch_mode)
907 switch_mode(dev);
908
909 return 0;
910}
911EXPORT_SYMBOL_GPL(adau17x1_probe);
912
913MODULE_DESCRIPTION("ASoC ADAU1X61/ADAU1X81 common code");
914MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
915MODULE_LICENSE("GPL");
916
