1 // SPDX-License-Identifier: GPL-2.0
2 // tscs42xx.c -- TSCS42xx ALSA SoC Audio driver
3 // Copyright 2017 Tempo Semiconductor, Inc.
4 // Author: Steven Eckhoff <steven.eckhoff.opensource@gmail.com>
5
6 #include <linux/kernel.h>
7 #include <linux/device.h>
8 #include <linux/regmap.h>
9 #include <linux/i2c.h>
10 #include <linux/err.h>
11 #include <linux/string.h>
12 #include <linux/module.h>
13 #include <linux/delay.h>
14 #include <linux/mutex.h>
15 #include <linux/clk.h>
16 #include <sound/tlv.h>
17 #include <sound/pcm_params.h>
18 #include <sound/soc.h>
19 #include <sound/soc-dapm.h>
20
21 #include "tscs42xx.h"
22
23 #define COEFF_SIZE 3
24 #define BIQUAD_COEFF_COUNT 5
25 #define BIQUAD_SIZE (COEFF_SIZE * BIQUAD_COEFF_COUNT)
26
27 #define COEFF_RAM_MAX_ADDR 0xcd
28 #define COEFF_RAM_COEFF_COUNT (COEFF_RAM_MAX_ADDR + 1)
29 #define COEFF_RAM_SIZE (COEFF_SIZE * COEFF_RAM_COEFF_COUNT)
30
31 struct tscs42xx {
32
33 int bclk_ratio;
34 int samplerate;
35 struct mutex audio_params_lock;
36
37 u8 coeff_ram[COEFF_RAM_SIZE];
38 bool coeff_ram_synced;
39 struct mutex coeff_ram_lock;
40
41 struct mutex pll_lock;
42
43 struct regmap *regmap;
44
45 struct clk *sysclk;
46 int sysclk_src_id;
47 };
48
49 struct coeff_ram_ctl {
50 unsigned int addr;
51 struct soc_bytes_ext bytes_ext;
52 };
53
tscs42xx_volatile(struct device * dev,unsigned int reg)54 static bool tscs42xx_volatile(struct device *dev, unsigned int reg)
55 {
56 switch (reg) {
57 case R_DACCRWRL:
58 case R_DACCRWRM:
59 case R_DACCRWRH:
60 case R_DACCRRDL:
61 case R_DACCRRDM:
62 case R_DACCRRDH:
63 case R_DACCRSTAT:
64 case R_DACCRADDR:
65 case R_PLLCTL0:
66 return true;
67 default:
68 return false;
69 }
70 }
71
tscs42xx_precious(struct device * dev,unsigned int reg)72 static bool tscs42xx_precious(struct device *dev, unsigned int reg)
73 {
74 switch (reg) {
75 case R_DACCRWRL:
76 case R_DACCRWRM:
77 case R_DACCRWRH:
78 case R_DACCRRDL:
79 case R_DACCRRDM:
80 case R_DACCRRDH:
81 return true;
82 default:
83 return false;
84 }
85 }
86
87 static const struct regmap_config tscs42xx_regmap = {
88 .reg_bits = 8,
89 .val_bits = 8,
90
91 .volatile_reg = tscs42xx_volatile,
92 .precious_reg = tscs42xx_precious,
93 .max_register = R_DACMBCREL3H,
94
95 .cache_type = REGCACHE_RBTREE,
96 .can_multi_write = true,
97 };
98
99 #define MAX_PLL_LOCK_20MS_WAITS 1
plls_locked(struct snd_soc_component * component)100 static bool plls_locked(struct snd_soc_component *component)
101 {
102 int ret;
103 int count = MAX_PLL_LOCK_20MS_WAITS;
104
105 do {
106 ret = snd_soc_component_read(component, R_PLLCTL0);
107 if (ret < 0) {
108 dev_err(component->dev,
109 "Failed to read PLL lock status (%d)\n", ret);
110 return false;
111 } else if (ret > 0) {
112 return true;
113 }
114 msleep(20);
115 } while (count--);
116
117 return false;
118 }
119
sample_rate_to_pll_freq_out(int sample_rate)120 static int sample_rate_to_pll_freq_out(int sample_rate)
121 {
122 switch (sample_rate) {
123 case 11025:
124 case 22050:
125 case 44100:
126 case 88200:
127 return 112896000;
128 case 8000:
129 case 16000:
130 case 32000:
131 case 48000:
132 case 96000:
133 return 122880000;
134 default:
135 return -EINVAL;
136 }
137 }
138
139 #define DACCRSTAT_MAX_TRYS 10
write_coeff_ram(struct snd_soc_component * component,u8 * coeff_ram,unsigned int addr,unsigned int coeff_cnt)140 static int write_coeff_ram(struct snd_soc_component *component, u8 *coeff_ram,
141 unsigned int addr, unsigned int coeff_cnt)
142 {
143 struct tscs42xx *tscs42xx = snd_soc_component_get_drvdata(component);
144 int cnt;
145 int trys;
146 int ret;
147
148 for (cnt = 0; cnt < coeff_cnt; cnt++, addr++) {
149
150 for (trys = 0; trys < DACCRSTAT_MAX_TRYS; trys++) {
151 ret = snd_soc_component_read(component, R_DACCRSTAT);
152 if (ret < 0) {
153 dev_err(component->dev,
154 "Failed to read stat (%d)\n", ret);
155 return ret;
156 }
157 if (!ret)
158 break;
159 }
160
161 if (trys == DACCRSTAT_MAX_TRYS) {
162 ret = -EIO;
163 dev_err(component->dev,
164 "dac coefficient write error (%d)\n", ret);
165 return ret;
166 }
167
168 ret = regmap_write(tscs42xx->regmap, R_DACCRADDR, addr);
169 if (ret < 0) {
170 dev_err(component->dev,
171 "Failed to write dac ram address (%d)\n", ret);
172 return ret;
173 }
174
175 ret = regmap_bulk_write(tscs42xx->regmap, R_DACCRWRL,
176 &coeff_ram[addr * COEFF_SIZE],
177 COEFF_SIZE);
178 if (ret < 0) {
179 dev_err(component->dev,
180 "Failed to write dac ram (%d)\n", ret);
181 return ret;
182 }
183 }
184
185 return 0;
186 }
187
power_up_audio_plls(struct snd_soc_component * component)188 static int power_up_audio_plls(struct snd_soc_component *component)
189 {
190 struct tscs42xx *tscs42xx = snd_soc_component_get_drvdata(component);
191 int freq_out;
192 int ret;
193 unsigned int mask;
194 unsigned int val;
195
196 freq_out = sample_rate_to_pll_freq_out(tscs42xx->samplerate);
197 switch (freq_out) {
198 case 122880000: /* 48k */
199 mask = RM_PLLCTL1C_PDB_PLL1;
200 val = RV_PLLCTL1C_PDB_PLL1_ENABLE;
201 break;
202 case 112896000: /* 44.1k */
203 mask = RM_PLLCTL1C_PDB_PLL2;
204 val = RV_PLLCTL1C_PDB_PLL2_ENABLE;
205 break;
206 default:
207 ret = -EINVAL;
208 dev_err(component->dev,
209 "Unrecognized PLL output freq (%d)\n", ret);
210 return ret;
211 }
212
213 mutex_lock(&tscs42xx->pll_lock);
214
215 ret = snd_soc_component_update_bits(component, R_PLLCTL1C, mask, val);
216 if (ret < 0) {
217 dev_err(component->dev, "Failed to turn PLL on (%d)\n", ret);
218 goto exit;
219 }
220
221 if (!plls_locked(component)) {
222 dev_err(component->dev, "Failed to lock plls\n");
223 ret = -ENOMSG;
224 goto exit;
225 }
226
227 ret = 0;
228 exit:
229 mutex_unlock(&tscs42xx->pll_lock);
230
231 return ret;
232 }
233
power_down_audio_plls(struct snd_soc_component * component)234 static int power_down_audio_plls(struct snd_soc_component *component)
235 {
236 struct tscs42xx *tscs42xx = snd_soc_component_get_drvdata(component);
237 int ret;
238
239 mutex_lock(&tscs42xx->pll_lock);
240
241 ret = snd_soc_component_update_bits(component, R_PLLCTL1C,
242 RM_PLLCTL1C_PDB_PLL1,
243 RV_PLLCTL1C_PDB_PLL1_DISABLE);
244 if (ret < 0) {
245 dev_err(component->dev, "Failed to turn PLL off (%d)\n", ret);
246 goto exit;
247 }
248 ret = snd_soc_component_update_bits(component, R_PLLCTL1C,
249 RM_PLLCTL1C_PDB_PLL2,
250 RV_PLLCTL1C_PDB_PLL2_DISABLE);
251 if (ret < 0) {
252 dev_err(component->dev, "Failed to turn PLL off (%d)\n", ret);
253 goto exit;
254 }
255
256 ret = 0;
257 exit:
258 mutex_unlock(&tscs42xx->pll_lock);
259
260 return ret;
261 }
262
coeff_ram_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)263 static int coeff_ram_get(struct snd_kcontrol *kcontrol,
264 struct snd_ctl_elem_value *ucontrol)
265 {
266 struct snd_soc_component *component =
267 snd_soc_kcontrol_component(kcontrol);
268 struct tscs42xx *tscs42xx = snd_soc_component_get_drvdata(component);
269 struct coeff_ram_ctl *ctl =
270 (struct coeff_ram_ctl *)kcontrol->private_value;
271 struct soc_bytes_ext *params = &ctl->bytes_ext;
272
273 mutex_lock(&tscs42xx->coeff_ram_lock);
274
275 memcpy(ucontrol->value.bytes.data,
276 &tscs42xx->coeff_ram[ctl->addr * COEFF_SIZE], params->max);
277
278 mutex_unlock(&tscs42xx->coeff_ram_lock);
279
280 return 0;
281 }
282
coeff_ram_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)283 static int coeff_ram_put(struct snd_kcontrol *kcontrol,
284 struct snd_ctl_elem_value *ucontrol)
285 {
286 struct snd_soc_component *component =
287 snd_soc_kcontrol_component(kcontrol);
288 struct tscs42xx *tscs42xx = snd_soc_component_get_drvdata(component);
289 struct coeff_ram_ctl *ctl =
290 (struct coeff_ram_ctl *)kcontrol->private_value;
291 struct soc_bytes_ext *params = &ctl->bytes_ext;
292 unsigned int coeff_cnt = params->max / COEFF_SIZE;
293 int ret;
294
295 mutex_lock(&tscs42xx->coeff_ram_lock);
296
297 tscs42xx->coeff_ram_synced = false;
298
299 memcpy(&tscs42xx->coeff_ram[ctl->addr * COEFF_SIZE],
300 ucontrol->value.bytes.data, params->max);
301
302 mutex_lock(&tscs42xx->pll_lock);
303
304 if (plls_locked(component)) {
305 ret = write_coeff_ram(component, tscs42xx->coeff_ram,
306 ctl->addr, coeff_cnt);
307 if (ret < 0) {
308 dev_err(component->dev,
309 "Failed to flush coeff ram cache (%d)\n", ret);
310 goto exit;
311 }
312 tscs42xx->coeff_ram_synced = true;
313 }
314
315 ret = 0;
316 exit:
317 mutex_unlock(&tscs42xx->pll_lock);
318
319 mutex_unlock(&tscs42xx->coeff_ram_lock);
320
321 return ret;
322 }
323
324 /* Input L Capture Route */
325 static char const * const input_select_text[] = {
326 "Line 1", "Line 2", "Line 3", "D2S"
327 };
328
329 static const struct soc_enum left_input_select_enum =
330 SOC_ENUM_SINGLE(R_INSELL, FB_INSELL, ARRAY_SIZE(input_select_text),
331 input_select_text);
332
333 static const struct snd_kcontrol_new left_input_select =
334 SOC_DAPM_ENUM("LEFT_INPUT_SELECT_ENUM", left_input_select_enum);
335
336 /* Input R Capture Route */
337 static const struct soc_enum right_input_select_enum =
338 SOC_ENUM_SINGLE(R_INSELR, FB_INSELR, ARRAY_SIZE(input_select_text),
339 input_select_text);
340
341 static const struct snd_kcontrol_new right_input_select =
342 SOC_DAPM_ENUM("RIGHT_INPUT_SELECT_ENUM", right_input_select_enum);
343
344 /* Input Channel Mapping */
345 static char const * const ch_map_select_text[] = {
346 "Normal", "Left to Right", "Right to Left", "Swap"
347 };
348
349 static const struct soc_enum ch_map_select_enum =
350 SOC_ENUM_SINGLE(R_AIC2, FB_AIC2_ADCDSEL, ARRAY_SIZE(ch_map_select_text),
351 ch_map_select_text);
352
dapm_vref_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)353 static int dapm_vref_event(struct snd_soc_dapm_widget *w,
354 struct snd_kcontrol *kcontrol, int event)
355 {
356 msleep(20);
357 return 0;
358 }
359
dapm_micb_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)360 static int dapm_micb_event(struct snd_soc_dapm_widget *w,
361 struct snd_kcontrol *kcontrol, int event)
362 {
363 msleep(20);
364 return 0;
365 }
366
pll_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)367 static int pll_event(struct snd_soc_dapm_widget *w,
368 struct snd_kcontrol *kcontrol, int event)
369 {
370 struct snd_soc_component *component =
371 snd_soc_dapm_to_component(w->dapm);
372 int ret;
373
374 if (SND_SOC_DAPM_EVENT_ON(event))
375 ret = power_up_audio_plls(component);
376 else
377 ret = power_down_audio_plls(component);
378
379 return ret;
380 }
381
dac_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)382 static int dac_event(struct snd_soc_dapm_widget *w,
383 struct snd_kcontrol *kcontrol, int event)
384 {
385 struct snd_soc_component *component =
386 snd_soc_dapm_to_component(w->dapm);
387 struct tscs42xx *tscs42xx = snd_soc_component_get_drvdata(component);
388 int ret;
389
390 mutex_lock(&tscs42xx->coeff_ram_lock);
391
392 if (!tscs42xx->coeff_ram_synced) {
393 ret = write_coeff_ram(component, tscs42xx->coeff_ram, 0x00,
394 COEFF_RAM_COEFF_COUNT);
395 if (ret < 0)
396 goto exit;
397 tscs42xx->coeff_ram_synced = true;
398 }
399
400 ret = 0;
401 exit:
402 mutex_unlock(&tscs42xx->coeff_ram_lock);
403
404 return ret;
405 }
406
407 static const struct snd_soc_dapm_widget tscs42xx_dapm_widgets[] = {
408 /* Vref */
409 SND_SOC_DAPM_SUPPLY_S("Vref", 1, R_PWRM2, FB_PWRM2_VREF, 0,
410 dapm_vref_event, SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
411
412 /* PLL */
413 SND_SOC_DAPM_SUPPLY("PLL", SND_SOC_NOPM, 0, 0, pll_event,
414 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
415
416 /* Headphone */
417 SND_SOC_DAPM_DAC_E("DAC L", "HiFi Playback", R_PWRM2, FB_PWRM2_HPL, 0,
418 dac_event, SND_SOC_DAPM_POST_PMU),
419 SND_SOC_DAPM_DAC_E("DAC R", "HiFi Playback", R_PWRM2, FB_PWRM2_HPR, 0,
420 dac_event, SND_SOC_DAPM_POST_PMU),
421 SND_SOC_DAPM_OUTPUT("Headphone L"),
422 SND_SOC_DAPM_OUTPUT("Headphone R"),
423
424 /* Speaker */
425 SND_SOC_DAPM_DAC_E("ClassD L", "HiFi Playback",
426 R_PWRM2, FB_PWRM2_SPKL, 0,
427 dac_event, SND_SOC_DAPM_POST_PMU),
428 SND_SOC_DAPM_DAC_E("ClassD R", "HiFi Playback",
429 R_PWRM2, FB_PWRM2_SPKR, 0,
430 dac_event, SND_SOC_DAPM_POST_PMU),
431 SND_SOC_DAPM_OUTPUT("Speaker L"),
432 SND_SOC_DAPM_OUTPUT("Speaker R"),
433
434 /* Capture */
435 SND_SOC_DAPM_PGA("Analog In PGA L", R_PWRM1, FB_PWRM1_PGAL, 0, NULL, 0),
436 SND_SOC_DAPM_PGA("Analog In PGA R", R_PWRM1, FB_PWRM1_PGAR, 0, NULL, 0),
437 SND_SOC_DAPM_PGA("Analog Boost L", R_PWRM1, FB_PWRM1_BSTL, 0, NULL, 0),
438 SND_SOC_DAPM_PGA("Analog Boost R", R_PWRM1, FB_PWRM1_BSTR, 0, NULL, 0),
439 SND_SOC_DAPM_PGA("ADC Mute", R_CNVRTR0, FB_CNVRTR0_HPOR, true, NULL, 0),
440 SND_SOC_DAPM_ADC("ADC L", "HiFi Capture", R_PWRM1, FB_PWRM1_ADCL, 0),
441 SND_SOC_DAPM_ADC("ADC R", "HiFi Capture", R_PWRM1, FB_PWRM1_ADCR, 0),
442
443 /* Capture Input */
444 SND_SOC_DAPM_MUX("Input L Capture Route", R_PWRM2,
445 FB_PWRM2_INSELL, 0, &left_input_select),
446 SND_SOC_DAPM_MUX("Input R Capture Route", R_PWRM2,
447 FB_PWRM2_INSELR, 0, &right_input_select),
448
449 /* Digital Mic */
450 SND_SOC_DAPM_SUPPLY_S("Digital Mic Enable", 2, R_DMICCTL,
451 FB_DMICCTL_DMICEN, 0, NULL,
452 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
453
454 /* Analog Mic */
455 SND_SOC_DAPM_SUPPLY_S("Mic Bias", 2, R_PWRM1, FB_PWRM1_MICB,
456 0, dapm_micb_event, SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
457
458 /* Line In */
459 SND_SOC_DAPM_INPUT("Line In 1 L"),
460 SND_SOC_DAPM_INPUT("Line In 1 R"),
461 SND_SOC_DAPM_INPUT("Line In 2 L"),
462 SND_SOC_DAPM_INPUT("Line In 2 R"),
463 SND_SOC_DAPM_INPUT("Line In 3 L"),
464 SND_SOC_DAPM_INPUT("Line In 3 R"),
465 };
466
467 static const struct snd_soc_dapm_route tscs42xx_intercon[] = {
468 {"DAC L", NULL, "PLL"},
469 {"DAC R", NULL, "PLL"},
470 {"DAC L", NULL, "Vref"},
471 {"DAC R", NULL, "Vref"},
472 {"Headphone L", NULL, "DAC L"},
473 {"Headphone R", NULL, "DAC R"},
474
475 {"ClassD L", NULL, "PLL"},
476 {"ClassD R", NULL, "PLL"},
477 {"ClassD L", NULL, "Vref"},
478 {"ClassD R", NULL, "Vref"},
479 {"Speaker L", NULL, "ClassD L"},
480 {"Speaker R", NULL, "ClassD R"},
481
482 {"Input L Capture Route", NULL, "Vref"},
483 {"Input R Capture Route", NULL, "Vref"},
484
485 {"Mic Bias", NULL, "Vref"},
486
487 {"Input L Capture Route", "Line 1", "Line In 1 L"},
488 {"Input R Capture Route", "Line 1", "Line In 1 R"},
489 {"Input L Capture Route", "Line 2", "Line In 2 L"},
490 {"Input R Capture Route", "Line 2", "Line In 2 R"},
491 {"Input L Capture Route", "Line 3", "Line In 3 L"},
492 {"Input R Capture Route", "Line 3", "Line In 3 R"},
493
494 {"Analog In PGA L", NULL, "Input L Capture Route"},
495 {"Analog In PGA R", NULL, "Input R Capture Route"},
496 {"Analog Boost L", NULL, "Analog In PGA L"},
497 {"Analog Boost R", NULL, "Analog In PGA R"},
498 {"ADC Mute", NULL, "Analog Boost L"},
499 {"ADC Mute", NULL, "Analog Boost R"},
500 {"ADC L", NULL, "PLL"},
501 {"ADC R", NULL, "PLL"},
502 {"ADC L", NULL, "ADC Mute"},
503 {"ADC R", NULL, "ADC Mute"},
504 };
505
506 /************
507 * CONTROLS *
508 ************/
509
510 static char const * const eq_band_enable_text[] = {
511 "Prescale only",
512 "Band1",
513 "Band1:2",
514 "Band1:3",
515 "Band1:4",
516 "Band1:5",
517 "Band1:6",
518 };
519
520 static char const * const level_detection_text[] = {
521 "Average",
522 "Peak",
523 };
524
525 static char const * const level_detection_window_text[] = {
526 "512 Samples",
527 "64 Samples",
528 };
529
530 static char const * const compressor_ratio_text[] = {
531 "Reserved", "1.5:1", "2:1", "3:1", "4:1", "5:1", "6:1",
532 "7:1", "8:1", "9:1", "10:1", "11:1", "12:1", "13:1", "14:1",
533 "15:1", "16:1", "17:1", "18:1", "19:1", "20:1",
534 };
535
536 static DECLARE_TLV_DB_SCALE(hpvol_scale, -8850, 75, 0);
537 static DECLARE_TLV_DB_SCALE(spkvol_scale, -7725, 75, 0);
538 static DECLARE_TLV_DB_SCALE(dacvol_scale, -9563, 38, 0);
539 static DECLARE_TLV_DB_SCALE(adcvol_scale, -7125, 38, 0);
540 static DECLARE_TLV_DB_SCALE(invol_scale, -1725, 75, 0);
541 static DECLARE_TLV_DB_SCALE(mic_boost_scale, 0, 1000, 0);
542 static DECLARE_TLV_DB_MINMAX(mugain_scale, 0, 4650);
543 static DECLARE_TLV_DB_MINMAX(compth_scale, -9562, 0);
544
545 static const struct soc_enum eq1_band_enable_enum =
546 SOC_ENUM_SINGLE(R_CONFIG1, FB_CONFIG1_EQ1_BE,
547 ARRAY_SIZE(eq_band_enable_text), eq_band_enable_text);
548
549 static const struct soc_enum eq2_band_enable_enum =
550 SOC_ENUM_SINGLE(R_CONFIG1, FB_CONFIG1_EQ2_BE,
551 ARRAY_SIZE(eq_band_enable_text), eq_band_enable_text);
552
553 static const struct soc_enum cle_level_detection_enum =
554 SOC_ENUM_SINGLE(R_CLECTL, FB_CLECTL_LVL_MODE,
555 ARRAY_SIZE(level_detection_text),
556 level_detection_text);
557
558 static const struct soc_enum cle_level_detection_window_enum =
559 SOC_ENUM_SINGLE(R_CLECTL, FB_CLECTL_WINDOWSEL,
560 ARRAY_SIZE(level_detection_window_text),
561 level_detection_window_text);
562
563 static const struct soc_enum mbc_level_detection_enums[] = {
564 SOC_ENUM_SINGLE(R_DACMBCCTL, FB_DACMBCCTL_LVLMODE1,
565 ARRAY_SIZE(level_detection_text),
566 level_detection_text),
567 SOC_ENUM_SINGLE(R_DACMBCCTL, FB_DACMBCCTL_LVLMODE2,
568 ARRAY_SIZE(level_detection_text),
569 level_detection_text),
570 SOC_ENUM_SINGLE(R_DACMBCCTL, FB_DACMBCCTL_LVLMODE3,
571 ARRAY_SIZE(level_detection_text),
572 level_detection_text),
573 };
574
575 static const struct soc_enum mbc_level_detection_window_enums[] = {
576 SOC_ENUM_SINGLE(R_DACMBCCTL, FB_DACMBCCTL_WINSEL1,
577 ARRAY_SIZE(level_detection_window_text),
578 level_detection_window_text),
579 SOC_ENUM_SINGLE(R_DACMBCCTL, FB_DACMBCCTL_WINSEL2,
580 ARRAY_SIZE(level_detection_window_text),
581 level_detection_window_text),
582 SOC_ENUM_SINGLE(R_DACMBCCTL, FB_DACMBCCTL_WINSEL3,
583 ARRAY_SIZE(level_detection_window_text),
584 level_detection_window_text),
585 };
586
587 static const struct soc_enum compressor_ratio_enum =
588 SOC_ENUM_SINGLE(R_CMPRAT, FB_CMPRAT,
589 ARRAY_SIZE(compressor_ratio_text), compressor_ratio_text);
590
591 static const struct soc_enum dac_mbc1_compressor_ratio_enum =
592 SOC_ENUM_SINGLE(R_DACMBCRAT1, FB_DACMBCRAT1_RATIO,
593 ARRAY_SIZE(compressor_ratio_text), compressor_ratio_text);
594
595 static const struct soc_enum dac_mbc2_compressor_ratio_enum =
596 SOC_ENUM_SINGLE(R_DACMBCRAT2, FB_DACMBCRAT2_RATIO,
597 ARRAY_SIZE(compressor_ratio_text), compressor_ratio_text);
598
599 static const struct soc_enum dac_mbc3_compressor_ratio_enum =
600 SOC_ENUM_SINGLE(R_DACMBCRAT3, FB_DACMBCRAT3_RATIO,
601 ARRAY_SIZE(compressor_ratio_text), compressor_ratio_text);
602
bytes_info_ext(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * ucontrol)603 static int bytes_info_ext(struct snd_kcontrol *kcontrol,
604 struct snd_ctl_elem_info *ucontrol)
605 {
606 struct coeff_ram_ctl *ctl =
607 (struct coeff_ram_ctl *)kcontrol->private_value;
608 struct soc_bytes_ext *params = &ctl->bytes_ext;
609
610 ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES;
611 ucontrol->count = params->max;
612
613 return 0;
614 }
615
616 #define COEFF_RAM_CTL(xname, xcount, xaddr) \
617 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
618 .info = bytes_info_ext, \
619 .get = coeff_ram_get, .put = coeff_ram_put, \
620 .private_value = (unsigned long)&(struct coeff_ram_ctl) { \
621 .addr = xaddr, \
622 .bytes_ext = {.max = xcount, }, \
623 } \
624 }
625
626 static const struct snd_kcontrol_new tscs42xx_snd_controls[] = {
627 /* Volumes */
628 SOC_DOUBLE_R_TLV("Headphone Volume", R_HPVOLL, R_HPVOLR,
629 FB_HPVOLL, 0x7F, 0, hpvol_scale),
630 SOC_DOUBLE_R_TLV("Speaker Volume", R_SPKVOLL, R_SPKVOLR,
631 FB_SPKVOLL, 0x7F, 0, spkvol_scale),
632 SOC_DOUBLE_R_TLV("Master Volume", R_DACVOLL, R_DACVOLR,
633 FB_DACVOLL, 0xFF, 0, dacvol_scale),
634 SOC_DOUBLE_R_TLV("PCM Volume", R_ADCVOLL, R_ADCVOLR,
635 FB_ADCVOLL, 0xFF, 0, adcvol_scale),
636 SOC_DOUBLE_R_TLV("Input Volume", R_INVOLL, R_INVOLR,
637 FB_INVOLL, 0x3F, 0, invol_scale),
638
639 /* INSEL */
640 SOC_DOUBLE_R_TLV("Mic Boost Volume", R_INSELL, R_INSELR,
641 FB_INSELL_MICBSTL, FV_INSELL_MICBSTL_30DB,
642 0, mic_boost_scale),
643
644 /* Input Channel Map */
645 SOC_ENUM("Input Channel Map", ch_map_select_enum),
646
647 /* Mic Bias */
648 SOC_SINGLE("Mic Bias Boost Switch", 0x71, 0x07, 1, 0),
649
650 /* Headphone Auto Switching */
651 SOC_SINGLE("Headphone Auto Switching Switch",
652 R_CTL, FB_CTL_HPSWEN, 1, 0),
653 SOC_SINGLE("Headphone Detect Polarity Toggle Switch",
654 R_CTL, FB_CTL_HPSWPOL, 1, 0),
655
656 /* Coefficient Ram */
657 COEFF_RAM_CTL("Cascade1L BiQuad1", BIQUAD_SIZE, 0x00),
658 COEFF_RAM_CTL("Cascade1L BiQuad2", BIQUAD_SIZE, 0x05),
659 COEFF_RAM_CTL("Cascade1L BiQuad3", BIQUAD_SIZE, 0x0a),
660 COEFF_RAM_CTL("Cascade1L BiQuad4", BIQUAD_SIZE, 0x0f),
661 COEFF_RAM_CTL("Cascade1L BiQuad5", BIQUAD_SIZE, 0x14),
662 COEFF_RAM_CTL("Cascade1L BiQuad6", BIQUAD_SIZE, 0x19),
663
664 COEFF_RAM_CTL("Cascade1R BiQuad1", BIQUAD_SIZE, 0x20),
665 COEFF_RAM_CTL("Cascade1R BiQuad2", BIQUAD_SIZE, 0x25),
666 COEFF_RAM_CTL("Cascade1R BiQuad3", BIQUAD_SIZE, 0x2a),
667 COEFF_RAM_CTL("Cascade1R BiQuad4", BIQUAD_SIZE, 0x2f),
668 COEFF_RAM_CTL("Cascade1R BiQuad5", BIQUAD_SIZE, 0x34),
669 COEFF_RAM_CTL("Cascade1R BiQuad6", BIQUAD_SIZE, 0x39),
670
671 COEFF_RAM_CTL("Cascade1L Prescale", COEFF_SIZE, 0x1f),
672 COEFF_RAM_CTL("Cascade1R Prescale", COEFF_SIZE, 0x3f),
673
674 COEFF_RAM_CTL("Cascade2L BiQuad1", BIQUAD_SIZE, 0x40),
675 COEFF_RAM_CTL("Cascade2L BiQuad2", BIQUAD_SIZE, 0x45),
676 COEFF_RAM_CTL("Cascade2L BiQuad3", BIQUAD_SIZE, 0x4a),
677 COEFF_RAM_CTL("Cascade2L BiQuad4", BIQUAD_SIZE, 0x4f),
678 COEFF_RAM_CTL("Cascade2L BiQuad5", BIQUAD_SIZE, 0x54),
679 COEFF_RAM_CTL("Cascade2L BiQuad6", BIQUAD_SIZE, 0x59),
680
681 COEFF_RAM_CTL("Cascade2R BiQuad1", BIQUAD_SIZE, 0x60),
682 COEFF_RAM_CTL("Cascade2R BiQuad2", BIQUAD_SIZE, 0x65),
683 COEFF_RAM_CTL("Cascade2R BiQuad3", BIQUAD_SIZE, 0x6a),
684 COEFF_RAM_CTL("Cascade2R BiQuad4", BIQUAD_SIZE, 0x6f),
685 COEFF_RAM_CTL("Cascade2R BiQuad5", BIQUAD_SIZE, 0x74),
686 COEFF_RAM_CTL("Cascade2R BiQuad6", BIQUAD_SIZE, 0x79),
687
688 COEFF_RAM_CTL("Cascade2L Prescale", COEFF_SIZE, 0x5f),
689 COEFF_RAM_CTL("Cascade2R Prescale", COEFF_SIZE, 0x7f),
690
691 COEFF_RAM_CTL("Bass Extraction BiQuad1", BIQUAD_SIZE, 0x80),
692 COEFF_RAM_CTL("Bass Extraction BiQuad2", BIQUAD_SIZE, 0x85),
693
694 COEFF_RAM_CTL("Bass Non Linear Function 1", COEFF_SIZE, 0x8a),
695 COEFF_RAM_CTL("Bass Non Linear Function 2", COEFF_SIZE, 0x8b),
696
697 COEFF_RAM_CTL("Bass Limiter BiQuad", BIQUAD_SIZE, 0x8c),
698
699 COEFF_RAM_CTL("Bass Cut Off BiQuad", BIQUAD_SIZE, 0x91),
700
701 COEFF_RAM_CTL("Bass Mix", COEFF_SIZE, 0x96),
702
703 COEFF_RAM_CTL("Treb Extraction BiQuad1", BIQUAD_SIZE, 0x97),
704 COEFF_RAM_CTL("Treb Extraction BiQuad2", BIQUAD_SIZE, 0x9c),
705
706 COEFF_RAM_CTL("Treb Non Linear Function 1", COEFF_SIZE, 0xa1),
707 COEFF_RAM_CTL("Treb Non Linear Function 2", COEFF_SIZE, 0xa2),
708
709 COEFF_RAM_CTL("Treb Limiter BiQuad", BIQUAD_SIZE, 0xa3),
710
711 COEFF_RAM_CTL("Treb Cut Off BiQuad", BIQUAD_SIZE, 0xa8),
712
713 COEFF_RAM_CTL("Treb Mix", COEFF_SIZE, 0xad),
714
715 COEFF_RAM_CTL("3D", COEFF_SIZE, 0xae),
716
717 COEFF_RAM_CTL("3D Mix", COEFF_SIZE, 0xaf),
718
719 COEFF_RAM_CTL("MBC1 BiQuad1", BIQUAD_SIZE, 0xb0),
720 COEFF_RAM_CTL("MBC1 BiQuad2", BIQUAD_SIZE, 0xb5),
721
722 COEFF_RAM_CTL("MBC2 BiQuad1", BIQUAD_SIZE, 0xba),
723 COEFF_RAM_CTL("MBC2 BiQuad2", BIQUAD_SIZE, 0xbf),
724
725 COEFF_RAM_CTL("MBC3 BiQuad1", BIQUAD_SIZE, 0xc4),
726 COEFF_RAM_CTL("MBC3 BiQuad2", BIQUAD_SIZE, 0xc9),
727
728 /* EQ */
729 SOC_SINGLE("EQ1 Switch", R_CONFIG1, FB_CONFIG1_EQ1_EN, 1, 0),
730 SOC_SINGLE("EQ2 Switch", R_CONFIG1, FB_CONFIG1_EQ2_EN, 1, 0),
731 SOC_ENUM("EQ1 Band Enable", eq1_band_enable_enum),
732 SOC_ENUM("EQ2 Band Enable", eq2_band_enable_enum),
733
734 /* CLE */
735 SOC_ENUM("CLE Level Detect",
736 cle_level_detection_enum),
737 SOC_ENUM("CLE Level Detect Win",
738 cle_level_detection_window_enum),
739 SOC_SINGLE("Expander Switch",
740 R_CLECTL, FB_CLECTL_EXP_EN, 1, 0),
741 SOC_SINGLE("Limiter Switch",
742 R_CLECTL, FB_CLECTL_LIMIT_EN, 1, 0),
743 SOC_SINGLE("Comp Switch",
744 R_CLECTL, FB_CLECTL_COMP_EN, 1, 0),
745 SOC_SINGLE_TLV("CLE Make-Up Gain Volume",
746 R_MUGAIN, FB_MUGAIN_CLEMUG, 0x1f, 0, mugain_scale),
747 SOC_SINGLE_TLV("Comp Thresh Volume",
748 R_COMPTH, FB_COMPTH, 0xff, 0, compth_scale),
749 SOC_ENUM("Comp Ratio", compressor_ratio_enum),
750 SND_SOC_BYTES("Comp Atk Time", R_CATKTCL, 2),
751
752 /* Effects */
753 SOC_SINGLE("3D Switch", R_FXCTL, FB_FXCTL_3DEN, 1, 0),
754 SOC_SINGLE("Treble Switch", R_FXCTL, FB_FXCTL_TEEN, 1, 0),
755 SOC_SINGLE("Treble Bypass Switch", R_FXCTL, FB_FXCTL_TNLFBYPASS, 1, 0),
756 SOC_SINGLE("Bass Switch", R_FXCTL, FB_FXCTL_BEEN, 1, 0),
757 SOC_SINGLE("Bass Bypass Switch", R_FXCTL, FB_FXCTL_BNLFBYPASS, 1, 0),
758
759 /* MBC */
760 SOC_SINGLE("MBC Band1 Switch", R_DACMBCEN, FB_DACMBCEN_MBCEN1, 1, 0),
761 SOC_SINGLE("MBC Band2 Switch", R_DACMBCEN, FB_DACMBCEN_MBCEN2, 1, 0),
762 SOC_SINGLE("MBC Band3 Switch", R_DACMBCEN, FB_DACMBCEN_MBCEN3, 1, 0),
763 SOC_ENUM("MBC Band1 Level Detect",
764 mbc_level_detection_enums[0]),
765 SOC_ENUM("MBC Band2 Level Detect",
766 mbc_level_detection_enums[1]),
767 SOC_ENUM("MBC Band3 Level Detect",
768 mbc_level_detection_enums[2]),
769 SOC_ENUM("MBC Band1 Level Detect Win",
770 mbc_level_detection_window_enums[0]),
771 SOC_ENUM("MBC Band2 Level Detect Win",
772 mbc_level_detection_window_enums[1]),
773 SOC_ENUM("MBC Band3 Level Detect Win",
774 mbc_level_detection_window_enums[2]),
775
776 SOC_SINGLE("MBC1 Phase Invert Switch",
777 R_DACMBCMUG1, FB_DACMBCMUG1_PHASE, 1, 0),
778 SOC_SINGLE_TLV("DAC MBC1 Make-Up Gain Volume",
779 R_DACMBCMUG1, FB_DACMBCMUG1_MUGAIN, 0x1f, 0, mugain_scale),
780 SOC_SINGLE_TLV("DAC MBC1 Comp Thresh Volume",
781 R_DACMBCTHR1, FB_DACMBCTHR1_THRESH, 0xff, 0, compth_scale),
782 SOC_ENUM("DAC MBC1 Comp Ratio",
783 dac_mbc1_compressor_ratio_enum),
784 SND_SOC_BYTES("DAC MBC1 Comp Atk Time", R_DACMBCATK1L, 2),
785 SND_SOC_BYTES("DAC MBC1 Comp Rel Time Const",
786 R_DACMBCREL1L, 2),
787
788 SOC_SINGLE("MBC2 Phase Invert Switch",
789 R_DACMBCMUG2, FB_DACMBCMUG2_PHASE, 1, 0),
790 SOC_SINGLE_TLV("DAC MBC2 Make-Up Gain Volume",
791 R_DACMBCMUG2, FB_DACMBCMUG2_MUGAIN, 0x1f, 0, mugain_scale),
792 SOC_SINGLE_TLV("DAC MBC2 Comp Thresh Volume",
793 R_DACMBCTHR2, FB_DACMBCTHR2_THRESH, 0xff, 0, compth_scale),
794 SOC_ENUM("DAC MBC2 Comp Ratio",
795 dac_mbc2_compressor_ratio_enum),
796 SND_SOC_BYTES("DAC MBC2 Comp Atk Time", R_DACMBCATK2L, 2),
797 SND_SOC_BYTES("DAC MBC2 Comp Rel Time Const",
798 R_DACMBCREL2L, 2),
799
800 SOC_SINGLE("MBC3 Phase Invert Switch",
801 R_DACMBCMUG3, FB_DACMBCMUG3_PHASE, 1, 0),
802 SOC_SINGLE_TLV("DAC MBC3 Make-Up Gain Volume",
803 R_DACMBCMUG3, FB_DACMBCMUG3_MUGAIN, 0x1f, 0, mugain_scale),
804 SOC_SINGLE_TLV("DAC MBC3 Comp Thresh Volume",
805 R_DACMBCTHR3, FB_DACMBCTHR3_THRESH, 0xff, 0, compth_scale),
806 SOC_ENUM("DAC MBC3 Comp Ratio",
807 dac_mbc3_compressor_ratio_enum),
808 SND_SOC_BYTES("DAC MBC3 Comp Atk Time", R_DACMBCATK3L, 2),
809 SND_SOC_BYTES("DAC MBC3 Comp Rel Time Const",
810 R_DACMBCREL3L, 2),
811 };
812
setup_sample_format(struct snd_soc_component * component,snd_pcm_format_t format)813 static int setup_sample_format(struct snd_soc_component *component,
814 snd_pcm_format_t format)
815 {
816 unsigned int width;
817 int ret;
818
819 switch (format) {
820 case SNDRV_PCM_FORMAT_S16_LE:
821 width = RV_AIC1_WL_16;
822 break;
823 case SNDRV_PCM_FORMAT_S20_3LE:
824 width = RV_AIC1_WL_20;
825 break;
826 case SNDRV_PCM_FORMAT_S24_LE:
827 width = RV_AIC1_WL_24;
828 break;
829 case SNDRV_PCM_FORMAT_S32_LE:
830 width = RV_AIC1_WL_32;
831 break;
832 default:
833 ret = -EINVAL;
834 dev_err(component->dev, "Unsupported format width (%d)\n", ret);
835 return ret;
836 }
837 ret = snd_soc_component_update_bits(component,
838 R_AIC1, RM_AIC1_WL, width);
839 if (ret < 0) {
840 dev_err(component->dev,
841 "Failed to set sample width (%d)\n", ret);
842 return ret;
843 }
844
845 return 0;
846 }
847
setup_sample_rate(struct snd_soc_component * component,unsigned int rate)848 static int setup_sample_rate(struct snd_soc_component *component,
849 unsigned int rate)
850 {
851 struct tscs42xx *tscs42xx = snd_soc_component_get_drvdata(component);
852 unsigned int br, bm;
853 int ret;
854
855 switch (rate) {
856 case 8000:
857 br = RV_DACSR_DBR_32;
858 bm = RV_DACSR_DBM_PT25;
859 break;
860 case 16000:
861 br = RV_DACSR_DBR_32;
862 bm = RV_DACSR_DBM_PT5;
863 break;
864 case 24000:
865 br = RV_DACSR_DBR_48;
866 bm = RV_DACSR_DBM_PT5;
867 break;
868 case 32000:
869 br = RV_DACSR_DBR_32;
870 bm = RV_DACSR_DBM_1;
871 break;
872 case 48000:
873 br = RV_DACSR_DBR_48;
874 bm = RV_DACSR_DBM_1;
875 break;
876 case 96000:
877 br = RV_DACSR_DBR_48;
878 bm = RV_DACSR_DBM_2;
879 break;
880 case 11025:
881 br = RV_DACSR_DBR_44_1;
882 bm = RV_DACSR_DBM_PT25;
883 break;
884 case 22050:
885 br = RV_DACSR_DBR_44_1;
886 bm = RV_DACSR_DBM_PT5;
887 break;
888 case 44100:
889 br = RV_DACSR_DBR_44_1;
890 bm = RV_DACSR_DBM_1;
891 break;
892 case 88200:
893 br = RV_DACSR_DBR_44_1;
894 bm = RV_DACSR_DBM_2;
895 break;
896 default:
897 dev_err(component->dev, "Unsupported sample rate %d\n", rate);
898 return -EINVAL;
899 }
900
901 /* DAC and ADC share bit and frame clock */
902 ret = snd_soc_component_update_bits(component,
903 R_DACSR, RM_DACSR_DBR, br);
904 if (ret < 0) {
905 dev_err(component->dev,
906 "Failed to update register (%d)\n", ret);
907 return ret;
908 }
909 ret = snd_soc_component_update_bits(component,
910 R_DACSR, RM_DACSR_DBM, bm);
911 if (ret < 0) {
912 dev_err(component->dev,
913 "Failed to update register (%d)\n", ret);
914 return ret;
915 }
916 ret = snd_soc_component_update_bits(component,
917 R_ADCSR, RM_DACSR_DBR, br);
918 if (ret < 0) {
919 dev_err(component->dev,
920 "Failed to update register (%d)\n", ret);
921 return ret;
922 }
923 ret = snd_soc_component_update_bits(component,
924 R_ADCSR, RM_DACSR_DBM, bm);
925 if (ret < 0) {
926 dev_err(component->dev,
927 "Failed to update register (%d)\n", ret);
928 return ret;
929 }
930
931 mutex_lock(&tscs42xx->audio_params_lock);
932
933 tscs42xx->samplerate = rate;
934
935 mutex_unlock(&tscs42xx->audio_params_lock);
936
937 return 0;
938 }
939
940 struct reg_setting {
941 unsigned int addr;
942 unsigned int val;
943 unsigned int mask;
944 };
945
946 #define PLL_REG_SETTINGS_COUNT 13
947 struct pll_ctl {
948 int input_freq;
949 struct reg_setting settings[PLL_REG_SETTINGS_COUNT];
950 };
951
952 #define PLL_CTL(f, rt, rd, r1b_l, r9, ra, rb, \
953 rc, r12, r1b_h, re, rf, r10, r11) \
954 { \
955 .input_freq = f, \
956 .settings = { \
957 {R_TIMEBASE, rt, 0xFF}, \
958 {R_PLLCTLD, rd, 0xFF}, \
959 {R_PLLCTL1B, r1b_l, 0x0F}, \
960 {R_PLLCTL9, r9, 0xFF}, \
961 {R_PLLCTLA, ra, 0xFF}, \
962 {R_PLLCTLB, rb, 0xFF}, \
963 {R_PLLCTLC, rc, 0xFF}, \
964 {R_PLLCTL12, r12, 0xFF}, \
965 {R_PLLCTL1B, r1b_h, 0xF0}, \
966 {R_PLLCTLE, re, 0xFF}, \
967 {R_PLLCTLF, rf, 0xFF}, \
968 {R_PLLCTL10, r10, 0xFF}, \
969 {R_PLLCTL11, r11, 0xFF}, \
970 }, \
971 }
972
973 static const struct pll_ctl pll_ctls[] = {
974 PLL_CTL(1411200, 0x05,
975 0x39, 0x04, 0x07, 0x02, 0xC3, 0x04,
976 0x1B, 0x10, 0x03, 0x03, 0xD0, 0x02),
977 PLL_CTL(1536000, 0x05,
978 0x1A, 0x04, 0x02, 0x03, 0xE0, 0x01,
979 0x1A, 0x10, 0x02, 0x03, 0xB9, 0x01),
980 PLL_CTL(2822400, 0x0A,
981 0x23, 0x04, 0x07, 0x04, 0xC3, 0x04,
982 0x22, 0x10, 0x05, 0x03, 0x58, 0x02),
983 PLL_CTL(3072000, 0x0B,
984 0x22, 0x04, 0x07, 0x03, 0x48, 0x03,
985 0x1A, 0x10, 0x04, 0x03, 0xB9, 0x01),
986 PLL_CTL(5644800, 0x15,
987 0x23, 0x04, 0x0E, 0x04, 0xC3, 0x04,
988 0x1A, 0x10, 0x08, 0x03, 0xE0, 0x01),
989 PLL_CTL(6144000, 0x17,
990 0x1A, 0x04, 0x08, 0x03, 0xE0, 0x01,
991 0x1A, 0x10, 0x08, 0x03, 0xB9, 0x01),
992 PLL_CTL(12000000, 0x2E,
993 0x1B, 0x04, 0x19, 0x03, 0x00, 0x03,
994 0x2A, 0x10, 0x19, 0x05, 0x98, 0x04),
995 PLL_CTL(19200000, 0x4A,
996 0x13, 0x04, 0x14, 0x03, 0x80, 0x01,
997 0x1A, 0x10, 0x19, 0x03, 0xB9, 0x01),
998 PLL_CTL(22000000, 0x55,
999 0x2A, 0x04, 0x37, 0x05, 0x00, 0x06,
1000 0x22, 0x10, 0x26, 0x03, 0x49, 0x02),
1001 PLL_CTL(22579200, 0x57,
1002 0x22, 0x04, 0x31, 0x03, 0x20, 0x03,
1003 0x1A, 0x10, 0x1D, 0x03, 0xB3, 0x01),
1004 PLL_CTL(24000000, 0x5D,
1005 0x13, 0x04, 0x19, 0x03, 0x80, 0x01,
1006 0x1B, 0x10, 0x19, 0x05, 0x4C, 0x02),
1007 PLL_CTL(24576000, 0x5F,
1008 0x13, 0x04, 0x1D, 0x03, 0xB3, 0x01,
1009 0x22, 0x10, 0x40, 0x03, 0x72, 0x03),
1010 PLL_CTL(27000000, 0x68,
1011 0x22, 0x04, 0x4B, 0x03, 0x00, 0x04,
1012 0x2A, 0x10, 0x7D, 0x03, 0x20, 0x06),
1013 PLL_CTL(36000000, 0x8C,
1014 0x1B, 0x04, 0x4B, 0x03, 0x00, 0x03,
1015 0x2A, 0x10, 0x7D, 0x03, 0x98, 0x04),
1016 PLL_CTL(25000000, 0x61,
1017 0x1B, 0x04, 0x37, 0x03, 0x2B, 0x03,
1018 0x1A, 0x10, 0x2A, 0x03, 0x39, 0x02),
1019 PLL_CTL(26000000, 0x65,
1020 0x23, 0x04, 0x41, 0x05, 0x00, 0x06,
1021 0x1A, 0x10, 0x26, 0x03, 0xEF, 0x01),
1022 PLL_CTL(12288000, 0x2F,
1023 0x1A, 0x04, 0x12, 0x03, 0x1C, 0x02,
1024 0x22, 0x10, 0x20, 0x03, 0x72, 0x03),
1025 PLL_CTL(40000000, 0x9B,
1026 0x22, 0x08, 0x7D, 0x03, 0x80, 0x04,
1027 0x23, 0x10, 0x7D, 0x05, 0xE4, 0x06),
1028 PLL_CTL(512000, 0x01,
1029 0x22, 0x04, 0x01, 0x03, 0xD0, 0x02,
1030 0x1B, 0x10, 0x01, 0x04, 0x72, 0x03),
1031 PLL_CTL(705600, 0x02,
1032 0x22, 0x04, 0x02, 0x03, 0x15, 0x04,
1033 0x22, 0x10, 0x01, 0x04, 0x80, 0x02),
1034 PLL_CTL(1024000, 0x03,
1035 0x22, 0x04, 0x02, 0x03, 0xD0, 0x02,
1036 0x1B, 0x10, 0x02, 0x04, 0x72, 0x03),
1037 PLL_CTL(2048000, 0x07,
1038 0x22, 0x04, 0x04, 0x03, 0xD0, 0x02,
1039 0x1B, 0x10, 0x04, 0x04, 0x72, 0x03),
1040 PLL_CTL(2400000, 0x08,
1041 0x22, 0x04, 0x05, 0x03, 0x00, 0x03,
1042 0x23, 0x10, 0x05, 0x05, 0x98, 0x04),
1043 };
1044
get_pll_ctl(int input_freq)1045 static const struct pll_ctl *get_pll_ctl(int input_freq)
1046 {
1047 int i;
1048 const struct pll_ctl *pll_ctl = NULL;
1049
1050 for (i = 0; i < ARRAY_SIZE(pll_ctls); ++i)
1051 if (input_freq == pll_ctls[i].input_freq) {
1052 pll_ctl = &pll_ctls[i];
1053 break;
1054 }
1055
1056 return pll_ctl;
1057 }
1058
set_pll_ctl_from_input_freq(struct snd_soc_component * component,const int input_freq)1059 static int set_pll_ctl_from_input_freq(struct snd_soc_component *component,
1060 const int input_freq)
1061 {
1062 int ret;
1063 int i;
1064 const struct pll_ctl *pll_ctl;
1065
1066 pll_ctl = get_pll_ctl(input_freq);
1067 if (!pll_ctl) {
1068 ret = -EINVAL;
1069 dev_err(component->dev, "No PLL input entry for %d (%d)\n",
1070 input_freq, ret);
1071 return ret;
1072 }
1073
1074 for (i = 0; i < PLL_REG_SETTINGS_COUNT; ++i) {
1075 ret = snd_soc_component_update_bits(component,
1076 pll_ctl->settings[i].addr,
1077 pll_ctl->settings[i].mask,
1078 pll_ctl->settings[i].val);
1079 if (ret < 0) {
1080 dev_err(component->dev, "Failed to set pll ctl (%d)\n",
1081 ret);
1082 return ret;
1083 }
1084 }
1085
1086 return 0;
1087 }
1088
tscs42xx_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * codec_dai)1089 static int tscs42xx_hw_params(struct snd_pcm_substream *substream,
1090 struct snd_pcm_hw_params *params,
1091 struct snd_soc_dai *codec_dai)
1092 {
1093 struct snd_soc_component *component = codec_dai->component;
1094 int ret;
1095
1096 ret = setup_sample_format(component, params_format(params));
1097 if (ret < 0) {
1098 dev_err(component->dev, "Failed to setup sample format (%d)\n",
1099 ret);
1100 return ret;
1101 }
1102
1103 ret = setup_sample_rate(component, params_rate(params));
1104 if (ret < 0) {
1105 dev_err(component->dev,
1106 "Failed to setup sample rate (%d)\n", ret);
1107 return ret;
1108 }
1109
1110 return 0;
1111 }
1112
dac_mute(struct snd_soc_component * component)1113 static inline int dac_mute(struct snd_soc_component *component)
1114 {
1115 int ret;
1116
1117 ret = snd_soc_component_update_bits(component,
1118 R_CNVRTR1, RM_CNVRTR1_DACMU,
1119 RV_CNVRTR1_DACMU_ENABLE);
1120 if (ret < 0) {
1121 dev_err(component->dev, "Failed to mute DAC (%d)\n",
1122 ret);
1123 return ret;
1124 }
1125
1126 return 0;
1127 }
1128
dac_unmute(struct snd_soc_component * component)1129 static inline int dac_unmute(struct snd_soc_component *component)
1130 {
1131 int ret;
1132
1133 ret = snd_soc_component_update_bits(component,
1134 R_CNVRTR1, RM_CNVRTR1_DACMU,
1135 RV_CNVRTR1_DACMU_DISABLE);
1136 if (ret < 0) {
1137 dev_err(component->dev, "Failed to unmute DAC (%d)\n",
1138 ret);
1139 return ret;
1140 }
1141
1142 return 0;
1143 }
1144
adc_mute(struct snd_soc_component * component)1145 static inline int adc_mute(struct snd_soc_component *component)
1146 {
1147 int ret;
1148
1149 ret = snd_soc_component_update_bits(component,
1150 R_CNVRTR0, RM_CNVRTR0_ADCMU, RV_CNVRTR0_ADCMU_ENABLE);
1151 if (ret < 0) {
1152 dev_err(component->dev, "Failed to mute ADC (%d)\n",
1153 ret);
1154 return ret;
1155 }
1156
1157 return 0;
1158 }
1159
adc_unmute(struct snd_soc_component * component)1160 static inline int adc_unmute(struct snd_soc_component *component)
1161 {
1162 int ret;
1163
1164 ret = snd_soc_component_update_bits(component,
1165 R_CNVRTR0, RM_CNVRTR0_ADCMU, RV_CNVRTR0_ADCMU_DISABLE);
1166 if (ret < 0) {
1167 dev_err(component->dev, "Failed to unmute ADC (%d)\n",
1168 ret);
1169 return ret;
1170 }
1171
1172 return 0;
1173 }
1174
tscs42xx_mute_stream(struct snd_soc_dai * dai,int mute,int stream)1175 static int tscs42xx_mute_stream(struct snd_soc_dai *dai, int mute, int stream)
1176 {
1177 struct snd_soc_component *component = dai->component;
1178 int ret;
1179
1180 if (mute)
1181 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
1182 ret = dac_mute(component);
1183 else
1184 ret = adc_mute(component);
1185 else
1186 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
1187 ret = dac_unmute(component);
1188 else
1189 ret = adc_unmute(component);
1190
1191 return ret;
1192 }
1193
tscs42xx_set_dai_fmt(struct snd_soc_dai * codec_dai,unsigned int fmt)1194 static int tscs42xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
1195 unsigned int fmt)
1196 {
1197 struct snd_soc_component *component = codec_dai->component;
1198 int ret;
1199
1200 /* Consumer mode not supported since it needs always-on frame clock */
1201 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1202 case SND_SOC_DAIFMT_CBP_CFP:
1203 ret = snd_soc_component_update_bits(component,
1204 R_AIC1, RM_AIC1_MS, RV_AIC1_MS_MASTER);
1205 if (ret < 0) {
1206 dev_err(component->dev,
1207 "Failed to set codec DAI master (%d)\n", ret);
1208 return ret;
1209 }
1210 break;
1211 default:
1212 ret = -EINVAL;
1213 dev_err(component->dev, "Unsupported format (%d)\n", ret);
1214 return ret;
1215 }
1216
1217 return 0;
1218 }
1219
tscs42xx_set_dai_bclk_ratio(struct snd_soc_dai * codec_dai,unsigned int ratio)1220 static int tscs42xx_set_dai_bclk_ratio(struct snd_soc_dai *codec_dai,
1221 unsigned int ratio)
1222 {
1223 struct snd_soc_component *component = codec_dai->component;
1224 struct tscs42xx *tscs42xx = snd_soc_component_get_drvdata(component);
1225 unsigned int value;
1226 int ret = 0;
1227
1228 switch (ratio) {
1229 case 32:
1230 value = RV_DACSR_DBCM_32;
1231 break;
1232 case 40:
1233 value = RV_DACSR_DBCM_40;
1234 break;
1235 case 64:
1236 value = RV_DACSR_DBCM_64;
1237 break;
1238 default:
1239 dev_err(component->dev, "Unsupported bclk ratio (%d)\n", ret);
1240 return -EINVAL;
1241 }
1242
1243 ret = snd_soc_component_update_bits(component,
1244 R_DACSR, RM_DACSR_DBCM, value);
1245 if (ret < 0) {
1246 dev_err(component->dev,
1247 "Failed to set DAC BCLK ratio (%d)\n", ret);
1248 return ret;
1249 }
1250 ret = snd_soc_component_update_bits(component,
1251 R_ADCSR, RM_ADCSR_ABCM, value);
1252 if (ret < 0) {
1253 dev_err(component->dev,
1254 "Failed to set ADC BCLK ratio (%d)\n", ret);
1255 return ret;
1256 }
1257
1258 mutex_lock(&tscs42xx->audio_params_lock);
1259
1260 tscs42xx->bclk_ratio = ratio;
1261
1262 mutex_unlock(&tscs42xx->audio_params_lock);
1263
1264 return 0;
1265 }
1266
1267 static const struct snd_soc_dai_ops tscs42xx_dai_ops = {
1268 .hw_params = tscs42xx_hw_params,
1269 .mute_stream = tscs42xx_mute_stream,
1270 .set_fmt = tscs42xx_set_dai_fmt,
1271 .set_bclk_ratio = tscs42xx_set_dai_bclk_ratio,
1272 };
1273
part_is_valid(struct tscs42xx * tscs42xx)1274 static int part_is_valid(struct tscs42xx *tscs42xx)
1275 {
1276 int val;
1277 int ret;
1278 unsigned int reg;
1279
1280 ret = regmap_read(tscs42xx->regmap, R_DEVIDH, ®);
1281 if (ret < 0)
1282 return ret;
1283
1284 val = reg << 8;
1285 ret = regmap_read(tscs42xx->regmap, R_DEVIDL, ®);
1286 if (ret < 0)
1287 return ret;
1288
1289 val |= reg;
1290
1291 switch (val) {
1292 case 0x4A74:
1293 case 0x4A73:
1294 return true;
1295 default:
1296 return false;
1297 }
1298 }
1299
set_sysclk(struct snd_soc_component * component)1300 static int set_sysclk(struct snd_soc_component *component)
1301 {
1302 struct tscs42xx *tscs42xx = snd_soc_component_get_drvdata(component);
1303 unsigned long freq;
1304 int ret;
1305
1306 switch (tscs42xx->sysclk_src_id) {
1307 case TSCS42XX_PLL_SRC_XTAL:
1308 case TSCS42XX_PLL_SRC_MCLK1:
1309 ret = snd_soc_component_write(component, R_PLLREFSEL,
1310 RV_PLLREFSEL_PLL1_REF_SEL_XTAL_MCLK1 |
1311 RV_PLLREFSEL_PLL2_REF_SEL_XTAL_MCLK1);
1312 if (ret < 0) {
1313 dev_err(component->dev,
1314 "Failed to set pll reference input (%d)\n",
1315 ret);
1316 return ret;
1317 }
1318 break;
1319 case TSCS42XX_PLL_SRC_MCLK2:
1320 ret = snd_soc_component_write(component, R_PLLREFSEL,
1321 RV_PLLREFSEL_PLL1_REF_SEL_MCLK2 |
1322 RV_PLLREFSEL_PLL2_REF_SEL_MCLK2);
1323 if (ret < 0) {
1324 dev_err(component->dev,
1325 "Failed to set PLL reference (%d)\n", ret);
1326 return ret;
1327 }
1328 break;
1329 default:
1330 dev_err(component->dev, "pll src is unsupported\n");
1331 return -EINVAL;
1332 }
1333
1334 freq = clk_get_rate(tscs42xx->sysclk);
1335 ret = set_pll_ctl_from_input_freq(component, freq);
1336 if (ret < 0) {
1337 dev_err(component->dev,
1338 "Failed to setup PLL input freq (%d)\n", ret);
1339 return ret;
1340 }
1341
1342 return 0;
1343 }
1344
tscs42xx_probe(struct snd_soc_component * component)1345 static int tscs42xx_probe(struct snd_soc_component *component)
1346 {
1347 return set_sysclk(component);
1348 }
1349
1350 static const struct snd_soc_component_driver soc_codec_dev_tscs42xx = {
1351 .probe = tscs42xx_probe,
1352 .dapm_widgets = tscs42xx_dapm_widgets,
1353 .num_dapm_widgets = ARRAY_SIZE(tscs42xx_dapm_widgets),
1354 .dapm_routes = tscs42xx_intercon,
1355 .num_dapm_routes = ARRAY_SIZE(tscs42xx_intercon),
1356 .controls = tscs42xx_snd_controls,
1357 .num_controls = ARRAY_SIZE(tscs42xx_snd_controls),
1358 .idle_bias_on = 1,
1359 .use_pmdown_time = 1,
1360 .endianness = 1,
1361 };
1362
init_coeff_ram_cache(struct tscs42xx * tscs42xx)1363 static inline void init_coeff_ram_cache(struct tscs42xx *tscs42xx)
1364 {
1365 static const u8 norm_addrs[] = {
1366 0x00, 0x05, 0x0a, 0x0f, 0x14, 0x19, 0x1f, 0x20, 0x25, 0x2a,
1367 0x2f, 0x34, 0x39, 0x3f, 0x40, 0x45, 0x4a, 0x4f, 0x54, 0x59,
1368 0x5f, 0x60, 0x65, 0x6a, 0x6f, 0x74, 0x79, 0x7f, 0x80, 0x85,
1369 0x8c, 0x91, 0x96, 0x97, 0x9c, 0xa3, 0xa8, 0xad, 0xaf, 0xb0,
1370 0xb5, 0xba, 0xbf, 0xc4, 0xc9,
1371 };
1372 u8 *coeff_ram = tscs42xx->coeff_ram;
1373 int i;
1374
1375 for (i = 0; i < ARRAY_SIZE(norm_addrs); i++)
1376 coeff_ram[((norm_addrs[i] + 1) * COEFF_SIZE) - 1] = 0x40;
1377 }
1378
1379 #define TSCS42XX_RATES SNDRV_PCM_RATE_8000_96000
1380
1381 #define TSCS42XX_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \
1382 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1383
1384 static struct snd_soc_dai_driver tscs42xx_dai = {
1385 .name = "tscs42xx-HiFi",
1386 .playback = {
1387 .stream_name = "HiFi Playback",
1388 .channels_min = 2,
1389 .channels_max = 2,
1390 .rates = TSCS42XX_RATES,
1391 .formats = TSCS42XX_FORMATS,},
1392 .capture = {
1393 .stream_name = "HiFi Capture",
1394 .channels_min = 2,
1395 .channels_max = 2,
1396 .rates = TSCS42XX_RATES,
1397 .formats = TSCS42XX_FORMATS,},
1398 .ops = &tscs42xx_dai_ops,
1399 .symmetric_rate = 1,
1400 .symmetric_channels = 1,
1401 .symmetric_sample_bits = 1,
1402 };
1403
1404 static const struct reg_sequence tscs42xx_patch[] = {
1405 { R_AIC2, RV_AIC2_BLRCM_DAC_BCLK_LRCLK_SHARED },
1406 };
1407
1408 static char const * const src_names[TSCS42XX_PLL_SRC_CNT] = {
1409 "xtal", "mclk1", "mclk2"};
1410
tscs42xx_i2c_probe(struct i2c_client * i2c)1411 static int tscs42xx_i2c_probe(struct i2c_client *i2c)
1412 {
1413 struct tscs42xx *tscs42xx;
1414 int src;
1415 int ret;
1416
1417 tscs42xx = devm_kzalloc(&i2c->dev, sizeof(*tscs42xx), GFP_KERNEL);
1418 if (!tscs42xx) {
1419 ret = -ENOMEM;
1420 dev_err(&i2c->dev,
1421 "Failed to allocate memory for data (%d)\n", ret);
1422 return ret;
1423 }
1424 i2c_set_clientdata(i2c, tscs42xx);
1425
1426 for (src = TSCS42XX_PLL_SRC_XTAL; src < TSCS42XX_PLL_SRC_CNT; src++) {
1427 tscs42xx->sysclk = devm_clk_get(&i2c->dev, src_names[src]);
1428 if (!IS_ERR(tscs42xx->sysclk)) {
1429 break;
1430 } else if (PTR_ERR(tscs42xx->sysclk) != -ENOENT) {
1431 ret = PTR_ERR(tscs42xx->sysclk);
1432 dev_err(&i2c->dev, "Failed to get sysclk (%d)\n", ret);
1433 return ret;
1434 }
1435 }
1436 if (src == TSCS42XX_PLL_SRC_CNT) {
1437 ret = -EINVAL;
1438 dev_err(&i2c->dev, "Failed to get a valid clock name (%d)\n",
1439 ret);
1440 return ret;
1441 }
1442 tscs42xx->sysclk_src_id = src;
1443
1444 tscs42xx->regmap = devm_regmap_init_i2c(i2c, &tscs42xx_regmap);
1445 if (IS_ERR(tscs42xx->regmap)) {
1446 ret = PTR_ERR(tscs42xx->regmap);
1447 dev_err(&i2c->dev, "Failed to allocate regmap (%d)\n", ret);
1448 return ret;
1449 }
1450
1451 init_coeff_ram_cache(tscs42xx);
1452
1453 ret = part_is_valid(tscs42xx);
1454 if (ret <= 0) {
1455 dev_err(&i2c->dev, "No valid part (%d)\n", ret);
1456 ret = -ENODEV;
1457 return ret;
1458 }
1459
1460 ret = regmap_write(tscs42xx->regmap, R_RESET, RV_RESET_ENABLE);
1461 if (ret < 0) {
1462 dev_err(&i2c->dev, "Failed to reset device (%d)\n", ret);
1463 return ret;
1464 }
1465
1466 ret = regmap_register_patch(tscs42xx->regmap, tscs42xx_patch,
1467 ARRAY_SIZE(tscs42xx_patch));
1468 if (ret < 0) {
1469 dev_err(&i2c->dev, "Failed to apply patch (%d)\n", ret);
1470 return ret;
1471 }
1472
1473 mutex_init(&tscs42xx->audio_params_lock);
1474 mutex_init(&tscs42xx->coeff_ram_lock);
1475 mutex_init(&tscs42xx->pll_lock);
1476
1477 ret = devm_snd_soc_register_component(&i2c->dev,
1478 &soc_codec_dev_tscs42xx, &tscs42xx_dai, 1);
1479 if (ret) {
1480 dev_err(&i2c->dev, "Failed to register codec (%d)\n", ret);
1481 return ret;
1482 }
1483
1484 return 0;
1485 }
1486
1487 static const struct i2c_device_id tscs42xx_i2c_id[] = {
1488 { "tscs42A1", 0 },
1489 { "tscs42A2", 0 },
1490 { }
1491 };
1492 MODULE_DEVICE_TABLE(i2c, tscs42xx_i2c_id);
1493
1494 static const struct of_device_id tscs42xx_of_match[] = {
1495 { .compatible = "tempo,tscs42A1", },
1496 { .compatible = "tempo,tscs42A2", },
1497 { }
1498 };
1499 MODULE_DEVICE_TABLE(of, tscs42xx_of_match);
1500
1501 static struct i2c_driver tscs42xx_i2c_driver = {
1502 .driver = {
1503 .name = "tscs42xx",
1504 .of_match_table = tscs42xx_of_match,
1505 },
1506 .probe = tscs42xx_i2c_probe,
1507 .id_table = tscs42xx_i2c_id,
1508 };
1509
1510 module_i2c_driver(tscs42xx_i2c_driver);
1511
1512 MODULE_AUTHOR("Tempo Semiconductor <steven.eckhoff.opensource@gmail.com");
1513 MODULE_DESCRIPTION("ASoC TSCS42xx driver");
1514 MODULE_LICENSE("GPL");
1515