1 /*
2 * arizona.c - Wolfson Arizona class device shared support
3 *
4 * Copyright 2012 Wolfson Microelectronics plc
5 *
6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13 #include <linux/delay.h>
14 #include <linux/gcd.h>
15 #include <linux/module.h>
16 #include <linux/pm_runtime.h>
17 #include <sound/pcm.h>
18 #include <sound/pcm_params.h>
19 #include <sound/tlv.h>
20
21 #include <linux/mfd/arizona/core.h>
22 #include <linux/mfd/arizona/registers.h>
23
24 #include "arizona.h"
25
26 #define ARIZONA_AIF_BCLK_CTRL 0x00
27 #define ARIZONA_AIF_TX_PIN_CTRL 0x01
28 #define ARIZONA_AIF_RX_PIN_CTRL 0x02
29 #define ARIZONA_AIF_RATE_CTRL 0x03
30 #define ARIZONA_AIF_FORMAT 0x04
31 #define ARIZONA_AIF_TX_BCLK_RATE 0x05
32 #define ARIZONA_AIF_RX_BCLK_RATE 0x06
33 #define ARIZONA_AIF_FRAME_CTRL_1 0x07
34 #define ARIZONA_AIF_FRAME_CTRL_2 0x08
35 #define ARIZONA_AIF_FRAME_CTRL_3 0x09
36 #define ARIZONA_AIF_FRAME_CTRL_4 0x0A
37 #define ARIZONA_AIF_FRAME_CTRL_5 0x0B
38 #define ARIZONA_AIF_FRAME_CTRL_6 0x0C
39 #define ARIZONA_AIF_FRAME_CTRL_7 0x0D
40 #define ARIZONA_AIF_FRAME_CTRL_8 0x0E
41 #define ARIZONA_AIF_FRAME_CTRL_9 0x0F
42 #define ARIZONA_AIF_FRAME_CTRL_10 0x10
43 #define ARIZONA_AIF_FRAME_CTRL_11 0x11
44 #define ARIZONA_AIF_FRAME_CTRL_12 0x12
45 #define ARIZONA_AIF_FRAME_CTRL_13 0x13
46 #define ARIZONA_AIF_FRAME_CTRL_14 0x14
47 #define ARIZONA_AIF_FRAME_CTRL_15 0x15
48 #define ARIZONA_AIF_FRAME_CTRL_16 0x16
49 #define ARIZONA_AIF_FRAME_CTRL_17 0x17
50 #define ARIZONA_AIF_FRAME_CTRL_18 0x18
51 #define ARIZONA_AIF_TX_ENABLES 0x19
52 #define ARIZONA_AIF_RX_ENABLES 0x1A
53 #define ARIZONA_AIF_FORCE_WRITE 0x1B
54
55 #define ARIZONA_FLL_VCO_CORNER 141900000
56 #define ARIZONA_FLL_MAX_FREF 13500000
57 #define ARIZONA_FLL_MIN_FVCO 90000000
58 #define ARIZONA_FLL_MAX_FRATIO 16
59 #define ARIZONA_FLL_MAX_REFDIV 8
60 #define ARIZONA_FLL_MIN_OUTDIV 2
61 #define ARIZONA_FLL_MAX_OUTDIV 7
62
63 #define ARIZONA_FMT_DSP_MODE_A 0
64 #define ARIZONA_FMT_DSP_MODE_B 1
65 #define ARIZONA_FMT_I2S_MODE 2
66 #define ARIZONA_FMT_LEFT_JUSTIFIED_MODE 3
67
68 #define arizona_fll_err(_fll, fmt, ...) \
69 dev_err(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
70 #define arizona_fll_warn(_fll, fmt, ...) \
71 dev_warn(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
72 #define arizona_fll_dbg(_fll, fmt, ...) \
73 dev_dbg(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
74
75 #define arizona_aif_err(_dai, fmt, ...) \
76 dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
77 #define arizona_aif_warn(_dai, fmt, ...) \
78 dev_warn(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
79 #define arizona_aif_dbg(_dai, fmt, ...) \
80 dev_dbg(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
81
arizona_spk_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)82 static int arizona_spk_ev(struct snd_soc_dapm_widget *w,
83 struct snd_kcontrol *kcontrol,
84 int event)
85 {
86 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
87 struct arizona *arizona = dev_get_drvdata(codec->dev->parent);
88 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
89 bool manual_ena = false;
90 int val;
91
92 switch (arizona->type) {
93 case WM5102:
94 switch (arizona->rev) {
95 case 0:
96 break;
97 default:
98 manual_ena = true;
99 break;
100 }
101 default:
102 break;
103 }
104
105 switch (event) {
106 case SND_SOC_DAPM_PRE_PMU:
107 if (!priv->spk_ena && manual_ena) {
108 regmap_write_async(arizona->regmap, 0x4f5, 0x25a);
109 priv->spk_ena_pending = true;
110 }
111 break;
112 case SND_SOC_DAPM_POST_PMU:
113 val = snd_soc_read(codec, ARIZONA_INTERRUPT_RAW_STATUS_3);
114 if (val & ARIZONA_SPK_OVERHEAT_STS) {
115 dev_crit(arizona->dev,
116 "Speaker not enabled due to temperature\n");
117 return -EBUSY;
118 }
119
120 regmap_update_bits_async(arizona->regmap,
121 ARIZONA_OUTPUT_ENABLES_1,
122 1 << w->shift, 1 << w->shift);
123
124 if (priv->spk_ena_pending) {
125 msleep(75);
126 regmap_write_async(arizona->regmap, 0x4f5, 0xda);
127 priv->spk_ena_pending = false;
128 priv->spk_ena++;
129 }
130 break;
131 case SND_SOC_DAPM_PRE_PMD:
132 if (manual_ena) {
133 priv->spk_ena--;
134 if (!priv->spk_ena)
135 regmap_write_async(arizona->regmap,
136 0x4f5, 0x25a);
137 }
138
139 regmap_update_bits_async(arizona->regmap,
140 ARIZONA_OUTPUT_ENABLES_1,
141 1 << w->shift, 0);
142 break;
143 case SND_SOC_DAPM_POST_PMD:
144 if (manual_ena) {
145 if (!priv->spk_ena)
146 regmap_write_async(arizona->regmap,
147 0x4f5, 0x0da);
148 }
149 break;
150 }
151
152 return 0;
153 }
154
arizona_thermal_warn(int irq,void * data)155 static irqreturn_t arizona_thermal_warn(int irq, void *data)
156 {
157 struct arizona *arizona = data;
158 unsigned int val;
159 int ret;
160
161 ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_3,
162 &val);
163 if (ret != 0) {
164 dev_err(arizona->dev, "Failed to read thermal status: %d\n",
165 ret);
166 } else if (val & ARIZONA_SPK_OVERHEAT_WARN_STS) {
167 dev_crit(arizona->dev, "Thermal warning\n");
168 }
169
170 return IRQ_HANDLED;
171 }
172
arizona_thermal_shutdown(int irq,void * data)173 static irqreturn_t arizona_thermal_shutdown(int irq, void *data)
174 {
175 struct arizona *arizona = data;
176 unsigned int val;
177 int ret;
178
179 ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_3,
180 &val);
181 if (ret != 0) {
182 dev_err(arizona->dev, "Failed to read thermal status: %d\n",
183 ret);
184 } else if (val & ARIZONA_SPK_OVERHEAT_STS) {
185 dev_crit(arizona->dev, "Thermal shutdown\n");
186 ret = regmap_update_bits(arizona->regmap,
187 ARIZONA_OUTPUT_ENABLES_1,
188 ARIZONA_OUT4L_ENA |
189 ARIZONA_OUT4R_ENA, 0);
190 if (ret != 0)
191 dev_crit(arizona->dev,
192 "Failed to disable speaker outputs: %d\n",
193 ret);
194 }
195
196 return IRQ_HANDLED;
197 }
198
199 static const struct snd_soc_dapm_widget arizona_spkl =
200 SND_SOC_DAPM_PGA_E("OUT4L", SND_SOC_NOPM,
201 ARIZONA_OUT4L_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev,
202 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU);
203
204 static const struct snd_soc_dapm_widget arizona_spkr =
205 SND_SOC_DAPM_PGA_E("OUT4R", SND_SOC_NOPM,
206 ARIZONA_OUT4R_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev,
207 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU);
208
arizona_init_spk(struct snd_soc_codec * codec)209 int arizona_init_spk(struct snd_soc_codec *codec)
210 {
211 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
212 struct arizona *arizona = priv->arizona;
213 int ret;
214
215 ret = snd_soc_dapm_new_controls(&codec->dapm, &arizona_spkl, 1);
216 if (ret != 0)
217 return ret;
218
219 switch (arizona->type) {
220 case WM8997:
221 break;
222 default:
223 ret = snd_soc_dapm_new_controls(&codec->dapm,
224 &arizona_spkr, 1);
225 if (ret != 0)
226 return ret;
227 break;
228 }
229
230 ret = arizona_request_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT_WARN,
231 "Thermal warning", arizona_thermal_warn,
232 arizona);
233 if (ret != 0)
234 dev_err(arizona->dev,
235 "Failed to get thermal warning IRQ: %d\n",
236 ret);
237
238 ret = arizona_request_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT,
239 "Thermal shutdown", arizona_thermal_shutdown,
240 arizona);
241 if (ret != 0)
242 dev_err(arizona->dev,
243 "Failed to get thermal shutdown IRQ: %d\n",
244 ret);
245
246 return 0;
247 }
248 EXPORT_SYMBOL_GPL(arizona_init_spk);
249
250 static const struct snd_soc_dapm_route arizona_mono_routes[] = {
251 { "OUT1R", NULL, "OUT1L" },
252 { "OUT2R", NULL, "OUT2L" },
253 { "OUT3R", NULL, "OUT3L" },
254 { "OUT4R", NULL, "OUT4L" },
255 { "OUT5R", NULL, "OUT5L" },
256 { "OUT6R", NULL, "OUT6L" },
257 };
258
arizona_init_mono(struct snd_soc_codec * codec)259 int arizona_init_mono(struct snd_soc_codec *codec)
260 {
261 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
262 struct arizona *arizona = priv->arizona;
263 int i;
264
265 for (i = 0; i < ARIZONA_MAX_OUTPUT; ++i) {
266 if (arizona->pdata.out_mono[i])
267 snd_soc_dapm_add_routes(&codec->dapm,
268 &arizona_mono_routes[i], 1);
269 }
270
271 return 0;
272 }
273 EXPORT_SYMBOL_GPL(arizona_init_mono);
274
arizona_init_gpio(struct snd_soc_codec * codec)275 int arizona_init_gpio(struct snd_soc_codec *codec)
276 {
277 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
278 struct arizona *arizona = priv->arizona;
279 int i;
280
281 switch (arizona->type) {
282 case WM5110:
283 case WM8280:
284 snd_soc_dapm_disable_pin(&codec->dapm, "DRC2 Signal Activity");
285 break;
286 default:
287 break;
288 }
289
290 snd_soc_dapm_disable_pin(&codec->dapm, "DRC1 Signal Activity");
291
292 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
293 switch (arizona->pdata.gpio_defaults[i] & ARIZONA_GPN_FN_MASK) {
294 case ARIZONA_GP_FN_DRC1_SIGNAL_DETECT:
295 snd_soc_dapm_enable_pin(&codec->dapm,
296 "DRC1 Signal Activity");
297 break;
298 case ARIZONA_GP_FN_DRC2_SIGNAL_DETECT:
299 snd_soc_dapm_enable_pin(&codec->dapm,
300 "DRC2 Signal Activity");
301 break;
302 default:
303 break;
304 }
305 }
306
307 return 0;
308 }
309 EXPORT_SYMBOL_GPL(arizona_init_gpio);
310
311 const char *arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS] = {
312 "None",
313 "Tone Generator 1",
314 "Tone Generator 2",
315 "Haptics",
316 "AEC",
317 "Mic Mute Mixer",
318 "Noise Generator",
319 "IN1L",
320 "IN1R",
321 "IN2L",
322 "IN2R",
323 "IN3L",
324 "IN3R",
325 "IN4L",
326 "IN4R",
327 "AIF1RX1",
328 "AIF1RX2",
329 "AIF1RX3",
330 "AIF1RX4",
331 "AIF1RX5",
332 "AIF1RX6",
333 "AIF1RX7",
334 "AIF1RX8",
335 "AIF2RX1",
336 "AIF2RX2",
337 "AIF2RX3",
338 "AIF2RX4",
339 "AIF2RX5",
340 "AIF2RX6",
341 "AIF3RX1",
342 "AIF3RX2",
343 "SLIMRX1",
344 "SLIMRX2",
345 "SLIMRX3",
346 "SLIMRX4",
347 "SLIMRX5",
348 "SLIMRX6",
349 "SLIMRX7",
350 "SLIMRX8",
351 "EQ1",
352 "EQ2",
353 "EQ3",
354 "EQ4",
355 "DRC1L",
356 "DRC1R",
357 "DRC2L",
358 "DRC2R",
359 "LHPF1",
360 "LHPF2",
361 "LHPF3",
362 "LHPF4",
363 "DSP1.1",
364 "DSP1.2",
365 "DSP1.3",
366 "DSP1.4",
367 "DSP1.5",
368 "DSP1.6",
369 "DSP2.1",
370 "DSP2.2",
371 "DSP2.3",
372 "DSP2.4",
373 "DSP2.5",
374 "DSP2.6",
375 "DSP3.1",
376 "DSP3.2",
377 "DSP3.3",
378 "DSP3.4",
379 "DSP3.5",
380 "DSP3.6",
381 "DSP4.1",
382 "DSP4.2",
383 "DSP4.3",
384 "DSP4.4",
385 "DSP4.5",
386 "DSP4.6",
387 "ASRC1L",
388 "ASRC1R",
389 "ASRC2L",
390 "ASRC2R",
391 "ISRC1INT1",
392 "ISRC1INT2",
393 "ISRC1INT3",
394 "ISRC1INT4",
395 "ISRC1DEC1",
396 "ISRC1DEC2",
397 "ISRC1DEC3",
398 "ISRC1DEC4",
399 "ISRC2INT1",
400 "ISRC2INT2",
401 "ISRC2INT3",
402 "ISRC2INT4",
403 "ISRC2DEC1",
404 "ISRC2DEC2",
405 "ISRC2DEC3",
406 "ISRC2DEC4",
407 "ISRC3INT1",
408 "ISRC3INT2",
409 "ISRC3INT3",
410 "ISRC3INT4",
411 "ISRC3DEC1",
412 "ISRC3DEC2",
413 "ISRC3DEC3",
414 "ISRC3DEC4",
415 };
416 EXPORT_SYMBOL_GPL(arizona_mixer_texts);
417
418 int arizona_mixer_values[ARIZONA_NUM_MIXER_INPUTS] = {
419 0x00, /* None */
420 0x04, /* Tone */
421 0x05,
422 0x06, /* Haptics */
423 0x08, /* AEC */
424 0x0c, /* Noise mixer */
425 0x0d, /* Comfort noise */
426 0x10, /* IN1L */
427 0x11,
428 0x12,
429 0x13,
430 0x14,
431 0x15,
432 0x16,
433 0x17,
434 0x20, /* AIF1RX1 */
435 0x21,
436 0x22,
437 0x23,
438 0x24,
439 0x25,
440 0x26,
441 0x27,
442 0x28, /* AIF2RX1 */
443 0x29,
444 0x2a,
445 0x2b,
446 0x2c,
447 0x2d,
448 0x30, /* AIF3RX1 */
449 0x31,
450 0x38, /* SLIMRX1 */
451 0x39,
452 0x3a,
453 0x3b,
454 0x3c,
455 0x3d,
456 0x3e,
457 0x3f,
458 0x50, /* EQ1 */
459 0x51,
460 0x52,
461 0x53,
462 0x58, /* DRC1L */
463 0x59,
464 0x5a,
465 0x5b,
466 0x60, /* LHPF1 */
467 0x61,
468 0x62,
469 0x63,
470 0x68, /* DSP1.1 */
471 0x69,
472 0x6a,
473 0x6b,
474 0x6c,
475 0x6d,
476 0x70, /* DSP2.1 */
477 0x71,
478 0x72,
479 0x73,
480 0x74,
481 0x75,
482 0x78, /* DSP3.1 */
483 0x79,
484 0x7a,
485 0x7b,
486 0x7c,
487 0x7d,
488 0x80, /* DSP4.1 */
489 0x81,
490 0x82,
491 0x83,
492 0x84,
493 0x85,
494 0x90, /* ASRC1L */
495 0x91,
496 0x92,
497 0x93,
498 0xa0, /* ISRC1INT1 */
499 0xa1,
500 0xa2,
501 0xa3,
502 0xa4, /* ISRC1DEC1 */
503 0xa5,
504 0xa6,
505 0xa7,
506 0xa8, /* ISRC2DEC1 */
507 0xa9,
508 0xaa,
509 0xab,
510 0xac, /* ISRC2INT1 */
511 0xad,
512 0xae,
513 0xaf,
514 0xb0, /* ISRC3DEC1 */
515 0xb1,
516 0xb2,
517 0xb3,
518 0xb4, /* ISRC3INT1 */
519 0xb5,
520 0xb6,
521 0xb7,
522 };
523 EXPORT_SYMBOL_GPL(arizona_mixer_values);
524
525 const DECLARE_TLV_DB_SCALE(arizona_mixer_tlv, -3200, 100, 0);
526 EXPORT_SYMBOL_GPL(arizona_mixer_tlv);
527
528 const char *arizona_rate_text[ARIZONA_RATE_ENUM_SIZE] = {
529 "SYNCCLK rate", "8kHz", "16kHz", "ASYNCCLK rate",
530 };
531 EXPORT_SYMBOL_GPL(arizona_rate_text);
532
533 const int arizona_rate_val[ARIZONA_RATE_ENUM_SIZE] = {
534 0, 1, 2, 8,
535 };
536 EXPORT_SYMBOL_GPL(arizona_rate_val);
537
538
539 const struct soc_enum arizona_isrc_fsh[] = {
540 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_1_CTRL_1,
541 ARIZONA_ISRC1_FSH_SHIFT, 0xf,
542 ARIZONA_RATE_ENUM_SIZE,
543 arizona_rate_text, arizona_rate_val),
544 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_2_CTRL_1,
545 ARIZONA_ISRC2_FSH_SHIFT, 0xf,
546 ARIZONA_RATE_ENUM_SIZE,
547 arizona_rate_text, arizona_rate_val),
548 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_3_CTRL_1,
549 ARIZONA_ISRC3_FSH_SHIFT, 0xf,
550 ARIZONA_RATE_ENUM_SIZE,
551 arizona_rate_text, arizona_rate_val),
552 };
553 EXPORT_SYMBOL_GPL(arizona_isrc_fsh);
554
555 const struct soc_enum arizona_isrc_fsl[] = {
556 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_1_CTRL_2,
557 ARIZONA_ISRC1_FSL_SHIFT, 0xf,
558 ARIZONA_RATE_ENUM_SIZE,
559 arizona_rate_text, arizona_rate_val),
560 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_2_CTRL_2,
561 ARIZONA_ISRC2_FSL_SHIFT, 0xf,
562 ARIZONA_RATE_ENUM_SIZE,
563 arizona_rate_text, arizona_rate_val),
564 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_3_CTRL_2,
565 ARIZONA_ISRC3_FSL_SHIFT, 0xf,
566 ARIZONA_RATE_ENUM_SIZE,
567 arizona_rate_text, arizona_rate_val),
568 };
569 EXPORT_SYMBOL_GPL(arizona_isrc_fsl);
570
571 const struct soc_enum arizona_asrc_rate1 =
572 SOC_VALUE_ENUM_SINGLE(ARIZONA_ASRC_RATE1,
573 ARIZONA_ASRC_RATE1_SHIFT, 0xf,
574 ARIZONA_RATE_ENUM_SIZE - 1,
575 arizona_rate_text, arizona_rate_val);
576 EXPORT_SYMBOL_GPL(arizona_asrc_rate1);
577
578 static const char *arizona_vol_ramp_text[] = {
579 "0ms/6dB", "0.5ms/6dB", "1ms/6dB", "2ms/6dB", "4ms/6dB", "8ms/6dB",
580 "15ms/6dB", "30ms/6dB",
581 };
582
583 SOC_ENUM_SINGLE_DECL(arizona_in_vd_ramp,
584 ARIZONA_INPUT_VOLUME_RAMP,
585 ARIZONA_IN_VD_RAMP_SHIFT,
586 arizona_vol_ramp_text);
587 EXPORT_SYMBOL_GPL(arizona_in_vd_ramp);
588
589 SOC_ENUM_SINGLE_DECL(arizona_in_vi_ramp,
590 ARIZONA_INPUT_VOLUME_RAMP,
591 ARIZONA_IN_VI_RAMP_SHIFT,
592 arizona_vol_ramp_text);
593 EXPORT_SYMBOL_GPL(arizona_in_vi_ramp);
594
595 SOC_ENUM_SINGLE_DECL(arizona_out_vd_ramp,
596 ARIZONA_OUTPUT_VOLUME_RAMP,
597 ARIZONA_OUT_VD_RAMP_SHIFT,
598 arizona_vol_ramp_text);
599 EXPORT_SYMBOL_GPL(arizona_out_vd_ramp);
600
601 SOC_ENUM_SINGLE_DECL(arizona_out_vi_ramp,
602 ARIZONA_OUTPUT_VOLUME_RAMP,
603 ARIZONA_OUT_VI_RAMP_SHIFT,
604 arizona_vol_ramp_text);
605 EXPORT_SYMBOL_GPL(arizona_out_vi_ramp);
606
607 static const char *arizona_lhpf_mode_text[] = {
608 "Low-pass", "High-pass"
609 };
610
611 SOC_ENUM_SINGLE_DECL(arizona_lhpf1_mode,
612 ARIZONA_HPLPF1_1,
613 ARIZONA_LHPF1_MODE_SHIFT,
614 arizona_lhpf_mode_text);
615 EXPORT_SYMBOL_GPL(arizona_lhpf1_mode);
616
617 SOC_ENUM_SINGLE_DECL(arizona_lhpf2_mode,
618 ARIZONA_HPLPF2_1,
619 ARIZONA_LHPF2_MODE_SHIFT,
620 arizona_lhpf_mode_text);
621 EXPORT_SYMBOL_GPL(arizona_lhpf2_mode);
622
623 SOC_ENUM_SINGLE_DECL(arizona_lhpf3_mode,
624 ARIZONA_HPLPF3_1,
625 ARIZONA_LHPF3_MODE_SHIFT,
626 arizona_lhpf_mode_text);
627 EXPORT_SYMBOL_GPL(arizona_lhpf3_mode);
628
629 SOC_ENUM_SINGLE_DECL(arizona_lhpf4_mode,
630 ARIZONA_HPLPF4_1,
631 ARIZONA_LHPF4_MODE_SHIFT,
632 arizona_lhpf_mode_text);
633 EXPORT_SYMBOL_GPL(arizona_lhpf4_mode);
634
635 static const char *arizona_ng_hold_text[] = {
636 "30ms", "120ms", "250ms", "500ms",
637 };
638
639 SOC_ENUM_SINGLE_DECL(arizona_ng_hold,
640 ARIZONA_NOISE_GATE_CONTROL,
641 ARIZONA_NGATE_HOLD_SHIFT,
642 arizona_ng_hold_text);
643 EXPORT_SYMBOL_GPL(arizona_ng_hold);
644
645 static const char * const arizona_in_hpf_cut_text[] = {
646 "2.5Hz", "5Hz", "10Hz", "20Hz", "40Hz"
647 };
648
649 SOC_ENUM_SINGLE_DECL(arizona_in_hpf_cut_enum,
650 ARIZONA_HPF_CONTROL,
651 ARIZONA_IN_HPF_CUT_SHIFT,
652 arizona_in_hpf_cut_text);
653 EXPORT_SYMBOL_GPL(arizona_in_hpf_cut_enum);
654
655 static const char * const arizona_in_dmic_osr_text[] = {
656 "1.536MHz", "3.072MHz", "6.144MHz", "768kHz",
657 };
658
659 const struct soc_enum arizona_in_dmic_osr[] = {
660 SOC_ENUM_SINGLE(ARIZONA_IN1L_CONTROL, ARIZONA_IN1_OSR_SHIFT,
661 ARRAY_SIZE(arizona_in_dmic_osr_text),
662 arizona_in_dmic_osr_text),
663 SOC_ENUM_SINGLE(ARIZONA_IN2L_CONTROL, ARIZONA_IN2_OSR_SHIFT,
664 ARRAY_SIZE(arizona_in_dmic_osr_text),
665 arizona_in_dmic_osr_text),
666 SOC_ENUM_SINGLE(ARIZONA_IN3L_CONTROL, ARIZONA_IN3_OSR_SHIFT,
667 ARRAY_SIZE(arizona_in_dmic_osr_text),
668 arizona_in_dmic_osr_text),
669 SOC_ENUM_SINGLE(ARIZONA_IN4L_CONTROL, ARIZONA_IN4_OSR_SHIFT,
670 ARRAY_SIZE(arizona_in_dmic_osr_text),
671 arizona_in_dmic_osr_text),
672 };
673 EXPORT_SYMBOL_GPL(arizona_in_dmic_osr);
674
arizona_in_set_vu(struct snd_soc_codec * codec,int ena)675 static void arizona_in_set_vu(struct snd_soc_codec *codec, int ena)
676 {
677 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
678 unsigned int val;
679 int i;
680
681 if (ena)
682 val = ARIZONA_IN_VU;
683 else
684 val = 0;
685
686 for (i = 0; i < priv->num_inputs; i++)
687 snd_soc_update_bits(codec,
688 ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 4),
689 ARIZONA_IN_VU, val);
690 }
691
arizona_in_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)692 int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol,
693 int event)
694 {
695 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
696 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
697 unsigned int reg;
698
699 if (w->shift % 2)
700 reg = ARIZONA_ADC_DIGITAL_VOLUME_1L + ((w->shift / 2) * 8);
701 else
702 reg = ARIZONA_ADC_DIGITAL_VOLUME_1R + ((w->shift / 2) * 8);
703
704 switch (event) {
705 case SND_SOC_DAPM_PRE_PMU:
706 priv->in_pending++;
707 break;
708 case SND_SOC_DAPM_POST_PMU:
709 snd_soc_update_bits(codec, reg, ARIZONA_IN1L_MUTE, 0);
710
711 /* If this is the last input pending then allow VU */
712 priv->in_pending--;
713 if (priv->in_pending == 0) {
714 msleep(1);
715 arizona_in_set_vu(codec, 1);
716 }
717 break;
718 case SND_SOC_DAPM_PRE_PMD:
719 snd_soc_update_bits(codec, reg,
720 ARIZONA_IN1L_MUTE | ARIZONA_IN_VU,
721 ARIZONA_IN1L_MUTE | ARIZONA_IN_VU);
722 break;
723 case SND_SOC_DAPM_POST_PMD:
724 /* Disable volume updates if no inputs are enabled */
725 reg = snd_soc_read(codec, ARIZONA_INPUT_ENABLES);
726 if (reg == 0)
727 arizona_in_set_vu(codec, 0);
728 }
729
730 return 0;
731 }
732 EXPORT_SYMBOL_GPL(arizona_in_ev);
733
arizona_out_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)734 int arizona_out_ev(struct snd_soc_dapm_widget *w,
735 struct snd_kcontrol *kcontrol,
736 int event)
737 {
738 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
739 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
740
741 switch (event) {
742 case SND_SOC_DAPM_PRE_PMU:
743 switch (w->shift) {
744 case ARIZONA_OUT1L_ENA_SHIFT:
745 case ARIZONA_OUT1R_ENA_SHIFT:
746 case ARIZONA_OUT2L_ENA_SHIFT:
747 case ARIZONA_OUT2R_ENA_SHIFT:
748 case ARIZONA_OUT3L_ENA_SHIFT:
749 case ARIZONA_OUT3R_ENA_SHIFT:
750 priv->out_up_pending++;
751 priv->out_up_delay += 17;
752 break;
753 default:
754 break;
755 }
756 break;
757 case SND_SOC_DAPM_POST_PMU:
758 switch (w->shift) {
759 case ARIZONA_OUT1L_ENA_SHIFT:
760 case ARIZONA_OUT1R_ENA_SHIFT:
761 case ARIZONA_OUT2L_ENA_SHIFT:
762 case ARIZONA_OUT2R_ENA_SHIFT:
763 case ARIZONA_OUT3L_ENA_SHIFT:
764 case ARIZONA_OUT3R_ENA_SHIFT:
765 priv->out_up_pending--;
766 if (!priv->out_up_pending) {
767 msleep(priv->out_up_delay);
768 priv->out_up_delay = 0;
769 }
770 break;
771
772 default:
773 break;
774 }
775 break;
776 case SND_SOC_DAPM_PRE_PMD:
777 switch (w->shift) {
778 case ARIZONA_OUT1L_ENA_SHIFT:
779 case ARIZONA_OUT1R_ENA_SHIFT:
780 case ARIZONA_OUT2L_ENA_SHIFT:
781 case ARIZONA_OUT2R_ENA_SHIFT:
782 case ARIZONA_OUT3L_ENA_SHIFT:
783 case ARIZONA_OUT3R_ENA_SHIFT:
784 priv->out_down_pending++;
785 priv->out_down_delay++;
786 break;
787 default:
788 break;
789 }
790 break;
791 case SND_SOC_DAPM_POST_PMD:
792 switch (w->shift) {
793 case ARIZONA_OUT1L_ENA_SHIFT:
794 case ARIZONA_OUT1R_ENA_SHIFT:
795 case ARIZONA_OUT2L_ENA_SHIFT:
796 case ARIZONA_OUT2R_ENA_SHIFT:
797 case ARIZONA_OUT3L_ENA_SHIFT:
798 case ARIZONA_OUT3R_ENA_SHIFT:
799 priv->out_down_pending--;
800 if (!priv->out_down_pending) {
801 msleep(priv->out_down_delay);
802 priv->out_down_delay = 0;
803 }
804 break;
805 default:
806 break;
807 }
808 break;
809 }
810
811 return 0;
812 }
813 EXPORT_SYMBOL_GPL(arizona_out_ev);
814
arizona_hp_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)815 int arizona_hp_ev(struct snd_soc_dapm_widget *w,
816 struct snd_kcontrol *kcontrol,
817 int event)
818 {
819 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
820 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
821 struct arizona *arizona = priv->arizona;
822 unsigned int mask = 1 << w->shift;
823 unsigned int val;
824
825 switch (event) {
826 case SND_SOC_DAPM_POST_PMU:
827 val = mask;
828 break;
829 case SND_SOC_DAPM_PRE_PMD:
830 val = 0;
831 break;
832 case SND_SOC_DAPM_PRE_PMU:
833 case SND_SOC_DAPM_POST_PMD:
834 return arizona_out_ev(w, kcontrol, event);
835 default:
836 return -EINVAL;
837 }
838
839 /* Store the desired state for the HP outputs */
840 priv->arizona->hp_ena &= ~mask;
841 priv->arizona->hp_ena |= val;
842
843 /* Force off if HPDET clamp is active */
844 if (priv->arizona->hpdet_clamp)
845 val = 0;
846
847 regmap_update_bits_async(arizona->regmap, ARIZONA_OUTPUT_ENABLES_1,
848 mask, val);
849
850 return arizona_out_ev(w, kcontrol, event);
851 }
852 EXPORT_SYMBOL_GPL(arizona_hp_ev);
853
854 static unsigned int arizona_sysclk_48k_rates[] = {
855 6144000,
856 12288000,
857 24576000,
858 49152000,
859 73728000,
860 98304000,
861 147456000,
862 };
863
864 static unsigned int arizona_sysclk_44k1_rates[] = {
865 5644800,
866 11289600,
867 22579200,
868 45158400,
869 67737600,
870 90316800,
871 135475200,
872 };
873
arizona_set_opclk(struct snd_soc_codec * codec,unsigned int clk,unsigned int freq)874 static int arizona_set_opclk(struct snd_soc_codec *codec, unsigned int clk,
875 unsigned int freq)
876 {
877 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
878 unsigned int reg;
879 unsigned int *rates;
880 int ref, div, refclk;
881
882 switch (clk) {
883 case ARIZONA_CLK_OPCLK:
884 reg = ARIZONA_OUTPUT_SYSTEM_CLOCK;
885 refclk = priv->sysclk;
886 break;
887 case ARIZONA_CLK_ASYNC_OPCLK:
888 reg = ARIZONA_OUTPUT_ASYNC_CLOCK;
889 refclk = priv->asyncclk;
890 break;
891 default:
892 return -EINVAL;
893 }
894
895 if (refclk % 8000)
896 rates = arizona_sysclk_44k1_rates;
897 else
898 rates = arizona_sysclk_48k_rates;
899
900 for (ref = 0; ref < ARRAY_SIZE(arizona_sysclk_48k_rates) &&
901 rates[ref] <= refclk; ref++) {
902 div = 1;
903 while (rates[ref] / div >= freq && div < 32) {
904 if (rates[ref] / div == freq) {
905 dev_dbg(codec->dev, "Configured %dHz OPCLK\n",
906 freq);
907 snd_soc_update_bits(codec, reg,
908 ARIZONA_OPCLK_DIV_MASK |
909 ARIZONA_OPCLK_SEL_MASK,
910 (div <<
911 ARIZONA_OPCLK_DIV_SHIFT) |
912 ref);
913 return 0;
914 }
915 div++;
916 }
917 }
918
919 dev_err(codec->dev, "Unable to generate %dHz OPCLK\n", freq);
920 return -EINVAL;
921 }
922
arizona_set_sysclk(struct snd_soc_codec * codec,int clk_id,int source,unsigned int freq,int dir)923 int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id,
924 int source, unsigned int freq, int dir)
925 {
926 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
927 struct arizona *arizona = priv->arizona;
928 char *name;
929 unsigned int reg;
930 unsigned int mask = ARIZONA_SYSCLK_FREQ_MASK | ARIZONA_SYSCLK_SRC_MASK;
931 unsigned int val = source << ARIZONA_SYSCLK_SRC_SHIFT;
932 unsigned int *clk;
933
934 switch (clk_id) {
935 case ARIZONA_CLK_SYSCLK:
936 name = "SYSCLK";
937 reg = ARIZONA_SYSTEM_CLOCK_1;
938 clk = &priv->sysclk;
939 mask |= ARIZONA_SYSCLK_FRAC;
940 break;
941 case ARIZONA_CLK_ASYNCCLK:
942 name = "ASYNCCLK";
943 reg = ARIZONA_ASYNC_CLOCK_1;
944 clk = &priv->asyncclk;
945 break;
946 case ARIZONA_CLK_OPCLK:
947 case ARIZONA_CLK_ASYNC_OPCLK:
948 return arizona_set_opclk(codec, clk_id, freq);
949 default:
950 return -EINVAL;
951 }
952
953 switch (freq) {
954 case 5644800:
955 case 6144000:
956 break;
957 case 11289600:
958 case 12288000:
959 val |= ARIZONA_CLK_12MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
960 break;
961 case 22579200:
962 case 24576000:
963 val |= ARIZONA_CLK_24MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
964 break;
965 case 45158400:
966 case 49152000:
967 val |= ARIZONA_CLK_49MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
968 break;
969 case 67737600:
970 case 73728000:
971 val |= ARIZONA_CLK_73MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
972 break;
973 case 90316800:
974 case 98304000:
975 val |= ARIZONA_CLK_98MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
976 break;
977 case 135475200:
978 case 147456000:
979 val |= ARIZONA_CLK_147MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
980 break;
981 case 0:
982 dev_dbg(arizona->dev, "%s cleared\n", name);
983 *clk = freq;
984 return 0;
985 default:
986 return -EINVAL;
987 }
988
989 *clk = freq;
990
991 if (freq % 6144000)
992 val |= ARIZONA_SYSCLK_FRAC;
993
994 dev_dbg(arizona->dev, "%s set to %uHz", name, freq);
995
996 return regmap_update_bits(arizona->regmap, reg, mask, val);
997 }
998 EXPORT_SYMBOL_GPL(arizona_set_sysclk);
999
arizona_set_fmt(struct snd_soc_dai * dai,unsigned int fmt)1000 static int arizona_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1001 {
1002 struct snd_soc_codec *codec = dai->codec;
1003 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1004 struct arizona *arizona = priv->arizona;
1005 int lrclk, bclk, mode, base;
1006
1007 base = dai->driver->base;
1008
1009 lrclk = 0;
1010 bclk = 0;
1011
1012 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1013 case SND_SOC_DAIFMT_DSP_A:
1014 mode = ARIZONA_FMT_DSP_MODE_A;
1015 break;
1016 case SND_SOC_DAIFMT_DSP_B:
1017 if ((fmt & SND_SOC_DAIFMT_MASTER_MASK)
1018 != SND_SOC_DAIFMT_CBM_CFM) {
1019 arizona_aif_err(dai, "DSP_B not valid in slave mode\n");
1020 return -EINVAL;
1021 }
1022 mode = ARIZONA_FMT_DSP_MODE_B;
1023 break;
1024 case SND_SOC_DAIFMT_I2S:
1025 mode = ARIZONA_FMT_I2S_MODE;
1026 break;
1027 case SND_SOC_DAIFMT_LEFT_J:
1028 if ((fmt & SND_SOC_DAIFMT_MASTER_MASK)
1029 != SND_SOC_DAIFMT_CBM_CFM) {
1030 arizona_aif_err(dai, "LEFT_J not valid in slave mode\n");
1031 return -EINVAL;
1032 }
1033 mode = ARIZONA_FMT_LEFT_JUSTIFIED_MODE;
1034 break;
1035 default:
1036 arizona_aif_err(dai, "Unsupported DAI format %d\n",
1037 fmt & SND_SOC_DAIFMT_FORMAT_MASK);
1038 return -EINVAL;
1039 }
1040
1041 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1042 case SND_SOC_DAIFMT_CBS_CFS:
1043 break;
1044 case SND_SOC_DAIFMT_CBS_CFM:
1045 lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR;
1046 break;
1047 case SND_SOC_DAIFMT_CBM_CFS:
1048 bclk |= ARIZONA_AIF1_BCLK_MSTR;
1049 break;
1050 case SND_SOC_DAIFMT_CBM_CFM:
1051 bclk |= ARIZONA_AIF1_BCLK_MSTR;
1052 lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR;
1053 break;
1054 default:
1055 arizona_aif_err(dai, "Unsupported master mode %d\n",
1056 fmt & SND_SOC_DAIFMT_MASTER_MASK);
1057 return -EINVAL;
1058 }
1059
1060 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1061 case SND_SOC_DAIFMT_NB_NF:
1062 break;
1063 case SND_SOC_DAIFMT_IB_IF:
1064 bclk |= ARIZONA_AIF1_BCLK_INV;
1065 lrclk |= ARIZONA_AIF1TX_LRCLK_INV;
1066 break;
1067 case SND_SOC_DAIFMT_IB_NF:
1068 bclk |= ARIZONA_AIF1_BCLK_INV;
1069 break;
1070 case SND_SOC_DAIFMT_NB_IF:
1071 lrclk |= ARIZONA_AIF1TX_LRCLK_INV;
1072 break;
1073 default:
1074 return -EINVAL;
1075 }
1076
1077 regmap_update_bits_async(arizona->regmap, base + ARIZONA_AIF_BCLK_CTRL,
1078 ARIZONA_AIF1_BCLK_INV |
1079 ARIZONA_AIF1_BCLK_MSTR,
1080 bclk);
1081 regmap_update_bits_async(arizona->regmap, base + ARIZONA_AIF_TX_PIN_CTRL,
1082 ARIZONA_AIF1TX_LRCLK_INV |
1083 ARIZONA_AIF1TX_LRCLK_MSTR, lrclk);
1084 regmap_update_bits_async(arizona->regmap,
1085 base + ARIZONA_AIF_RX_PIN_CTRL,
1086 ARIZONA_AIF1RX_LRCLK_INV |
1087 ARIZONA_AIF1RX_LRCLK_MSTR, lrclk);
1088 regmap_update_bits(arizona->regmap, base + ARIZONA_AIF_FORMAT,
1089 ARIZONA_AIF1_FMT_MASK, mode);
1090
1091 return 0;
1092 }
1093
1094 static const int arizona_48k_bclk_rates[] = {
1095 -1,
1096 48000,
1097 64000,
1098 96000,
1099 128000,
1100 192000,
1101 256000,
1102 384000,
1103 512000,
1104 768000,
1105 1024000,
1106 1536000,
1107 2048000,
1108 3072000,
1109 4096000,
1110 6144000,
1111 8192000,
1112 12288000,
1113 24576000,
1114 };
1115
1116 static const unsigned int arizona_48k_rates[] = {
1117 12000,
1118 24000,
1119 48000,
1120 96000,
1121 192000,
1122 384000,
1123 768000,
1124 4000,
1125 8000,
1126 16000,
1127 32000,
1128 64000,
1129 128000,
1130 256000,
1131 512000,
1132 };
1133
1134 static const struct snd_pcm_hw_constraint_list arizona_48k_constraint = {
1135 .count = ARRAY_SIZE(arizona_48k_rates),
1136 .list = arizona_48k_rates,
1137 };
1138
1139 static const int arizona_44k1_bclk_rates[] = {
1140 -1,
1141 44100,
1142 58800,
1143 88200,
1144 117600,
1145 177640,
1146 235200,
1147 352800,
1148 470400,
1149 705600,
1150 940800,
1151 1411200,
1152 1881600,
1153 2822400,
1154 3763200,
1155 5644800,
1156 7526400,
1157 11289600,
1158 22579200,
1159 };
1160
1161 static const unsigned int arizona_44k1_rates[] = {
1162 11025,
1163 22050,
1164 44100,
1165 88200,
1166 176400,
1167 352800,
1168 705600,
1169 };
1170
1171 static const struct snd_pcm_hw_constraint_list arizona_44k1_constraint = {
1172 .count = ARRAY_SIZE(arizona_44k1_rates),
1173 .list = arizona_44k1_rates,
1174 };
1175
1176 static int arizona_sr_vals[] = {
1177 0,
1178 12000,
1179 24000,
1180 48000,
1181 96000,
1182 192000,
1183 384000,
1184 768000,
1185 0,
1186 11025,
1187 22050,
1188 44100,
1189 88200,
1190 176400,
1191 352800,
1192 705600,
1193 4000,
1194 8000,
1195 16000,
1196 32000,
1197 64000,
1198 128000,
1199 256000,
1200 512000,
1201 };
1202
arizona_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)1203 static int arizona_startup(struct snd_pcm_substream *substream,
1204 struct snd_soc_dai *dai)
1205 {
1206 struct snd_soc_codec *codec = dai->codec;
1207 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1208 struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
1209 const struct snd_pcm_hw_constraint_list *constraint;
1210 unsigned int base_rate;
1211
1212 switch (dai_priv->clk) {
1213 case ARIZONA_CLK_SYSCLK:
1214 base_rate = priv->sysclk;
1215 break;
1216 case ARIZONA_CLK_ASYNCCLK:
1217 base_rate = priv->asyncclk;
1218 break;
1219 default:
1220 return 0;
1221 }
1222
1223 if (base_rate == 0)
1224 return 0;
1225
1226 if (base_rate % 8000)
1227 constraint = &arizona_44k1_constraint;
1228 else
1229 constraint = &arizona_48k_constraint;
1230
1231 return snd_pcm_hw_constraint_list(substream->runtime, 0,
1232 SNDRV_PCM_HW_PARAM_RATE,
1233 constraint);
1234 }
1235
arizona_wm5102_set_dac_comp(struct snd_soc_codec * codec,unsigned int rate)1236 static void arizona_wm5102_set_dac_comp(struct snd_soc_codec *codec,
1237 unsigned int rate)
1238 {
1239 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1240 struct arizona *arizona = priv->arizona;
1241 struct reg_default dac_comp[] = {
1242 { 0x80, 0x3 },
1243 { ARIZONA_DAC_COMP_1, 0 },
1244 { ARIZONA_DAC_COMP_2, 0 },
1245 { 0x80, 0x0 },
1246 };
1247
1248 mutex_lock(&arizona->dac_comp_lock);
1249
1250 dac_comp[1].def = arizona->dac_comp_coeff;
1251 if (rate >= 176400)
1252 dac_comp[2].def = arizona->dac_comp_enabled;
1253
1254 mutex_unlock(&arizona->dac_comp_lock);
1255
1256 regmap_multi_reg_write(arizona->regmap,
1257 dac_comp,
1258 ARRAY_SIZE(dac_comp));
1259 }
1260
arizona_hw_params_rate(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)1261 static int arizona_hw_params_rate(struct snd_pcm_substream *substream,
1262 struct snd_pcm_hw_params *params,
1263 struct snd_soc_dai *dai)
1264 {
1265 struct snd_soc_codec *codec = dai->codec;
1266 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1267 struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
1268 int base = dai->driver->base;
1269 int i, sr_val;
1270
1271 /*
1272 * We will need to be more flexible than this in future,
1273 * currently we use a single sample rate for SYSCLK.
1274 */
1275 for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++)
1276 if (arizona_sr_vals[i] == params_rate(params))
1277 break;
1278 if (i == ARRAY_SIZE(arizona_sr_vals)) {
1279 arizona_aif_err(dai, "Unsupported sample rate %dHz\n",
1280 params_rate(params));
1281 return -EINVAL;
1282 }
1283 sr_val = i;
1284
1285 switch (dai_priv->clk) {
1286 case ARIZONA_CLK_SYSCLK:
1287 switch (priv->arizona->type) {
1288 case WM5102:
1289 arizona_wm5102_set_dac_comp(codec,
1290 params_rate(params));
1291 break;
1292 default:
1293 break;
1294 }
1295
1296 snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1,
1297 ARIZONA_SAMPLE_RATE_1_MASK, sr_val);
1298 if (base)
1299 snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
1300 ARIZONA_AIF1_RATE_MASK, 0);
1301 break;
1302 case ARIZONA_CLK_ASYNCCLK:
1303 snd_soc_update_bits(codec, ARIZONA_ASYNC_SAMPLE_RATE_1,
1304 ARIZONA_ASYNC_SAMPLE_RATE_1_MASK, sr_val);
1305 if (base)
1306 snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
1307 ARIZONA_AIF1_RATE_MASK,
1308 8 << ARIZONA_AIF1_RATE_SHIFT);
1309 break;
1310 default:
1311 arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk);
1312 return -EINVAL;
1313 }
1314
1315 return 0;
1316 }
1317
arizona_aif_cfg_changed(struct snd_soc_codec * codec,int base,int bclk,int lrclk,int frame)1318 static bool arizona_aif_cfg_changed(struct snd_soc_codec *codec,
1319 int base, int bclk, int lrclk, int frame)
1320 {
1321 int val;
1322
1323 val = snd_soc_read(codec, base + ARIZONA_AIF_BCLK_CTRL);
1324 if (bclk != (val & ARIZONA_AIF1_BCLK_FREQ_MASK))
1325 return true;
1326
1327 val = snd_soc_read(codec, base + ARIZONA_AIF_TX_BCLK_RATE);
1328 if (lrclk != (val & ARIZONA_AIF1TX_BCPF_MASK))
1329 return true;
1330
1331 val = snd_soc_read(codec, base + ARIZONA_AIF_FRAME_CTRL_1);
1332 if (frame != (val & (ARIZONA_AIF1TX_WL_MASK |
1333 ARIZONA_AIF1TX_SLOT_LEN_MASK)))
1334 return true;
1335
1336 return false;
1337 }
1338
arizona_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)1339 static int arizona_hw_params(struct snd_pcm_substream *substream,
1340 struct snd_pcm_hw_params *params,
1341 struct snd_soc_dai *dai)
1342 {
1343 struct snd_soc_codec *codec = dai->codec;
1344 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1345 struct arizona *arizona = priv->arizona;
1346 int base = dai->driver->base;
1347 const int *rates;
1348 int i, ret, val;
1349 int channels = params_channels(params);
1350 int chan_limit = arizona->pdata.max_channels_clocked[dai->id - 1];
1351 int tdm_width = arizona->tdm_width[dai->id - 1];
1352 int tdm_slots = arizona->tdm_slots[dai->id - 1];
1353 int bclk, lrclk, wl, frame, bclk_target;
1354 bool reconfig;
1355 unsigned int aif_tx_state, aif_rx_state;
1356
1357 if (params_rate(params) % 4000)
1358 rates = &arizona_44k1_bclk_rates[0];
1359 else
1360 rates = &arizona_48k_bclk_rates[0];
1361
1362 wl = snd_pcm_format_width(params_format(params));
1363
1364 if (tdm_slots) {
1365 arizona_aif_dbg(dai, "Configuring for %d %d bit TDM slots\n",
1366 tdm_slots, tdm_width);
1367 bclk_target = tdm_slots * tdm_width * params_rate(params);
1368 channels = tdm_slots;
1369 } else {
1370 bclk_target = snd_soc_params_to_bclk(params);
1371 tdm_width = wl;
1372 }
1373
1374 if (chan_limit && chan_limit < channels) {
1375 arizona_aif_dbg(dai, "Limiting to %d channels\n", chan_limit);
1376 bclk_target /= channels;
1377 bclk_target *= chan_limit;
1378 }
1379
1380 /* Force multiple of 2 channels for I2S mode */
1381 val = snd_soc_read(codec, base + ARIZONA_AIF_FORMAT);
1382 val &= ARIZONA_AIF1_FMT_MASK;
1383 if ((channels & 1) && (val == ARIZONA_FMT_I2S_MODE)) {
1384 arizona_aif_dbg(dai, "Forcing stereo mode\n");
1385 bclk_target /= channels;
1386 bclk_target *= channels + 1;
1387 }
1388
1389 for (i = 0; i < ARRAY_SIZE(arizona_44k1_bclk_rates); i++) {
1390 if (rates[i] >= bclk_target &&
1391 rates[i] % params_rate(params) == 0) {
1392 bclk = i;
1393 break;
1394 }
1395 }
1396 if (i == ARRAY_SIZE(arizona_44k1_bclk_rates)) {
1397 arizona_aif_err(dai, "Unsupported sample rate %dHz\n",
1398 params_rate(params));
1399 return -EINVAL;
1400 }
1401
1402 lrclk = rates[bclk] / params_rate(params);
1403
1404 arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n",
1405 rates[bclk], rates[bclk] / lrclk);
1406
1407 frame = wl << ARIZONA_AIF1TX_WL_SHIFT | tdm_width;
1408
1409 reconfig = arizona_aif_cfg_changed(codec, base, bclk, lrclk, frame);
1410
1411 if (reconfig) {
1412 /* Save AIF TX/RX state */
1413 aif_tx_state = snd_soc_read(codec,
1414 base + ARIZONA_AIF_TX_ENABLES);
1415 aif_rx_state = snd_soc_read(codec,
1416 base + ARIZONA_AIF_RX_ENABLES);
1417 /* Disable AIF TX/RX before reconfiguring it */
1418 regmap_update_bits_async(arizona->regmap,
1419 base + ARIZONA_AIF_TX_ENABLES, 0xff, 0x0);
1420 regmap_update_bits(arizona->regmap,
1421 base + ARIZONA_AIF_RX_ENABLES, 0xff, 0x0);
1422 }
1423
1424 ret = arizona_hw_params_rate(substream, params, dai);
1425 if (ret != 0)
1426 goto restore_aif;
1427
1428 if (reconfig) {
1429 regmap_update_bits_async(arizona->regmap,
1430 base + ARIZONA_AIF_BCLK_CTRL,
1431 ARIZONA_AIF1_BCLK_FREQ_MASK, bclk);
1432 regmap_update_bits_async(arizona->regmap,
1433 base + ARIZONA_AIF_TX_BCLK_RATE,
1434 ARIZONA_AIF1TX_BCPF_MASK, lrclk);
1435 regmap_update_bits_async(arizona->regmap,
1436 base + ARIZONA_AIF_RX_BCLK_RATE,
1437 ARIZONA_AIF1RX_BCPF_MASK, lrclk);
1438 regmap_update_bits_async(arizona->regmap,
1439 base + ARIZONA_AIF_FRAME_CTRL_1,
1440 ARIZONA_AIF1TX_WL_MASK |
1441 ARIZONA_AIF1TX_SLOT_LEN_MASK, frame);
1442 regmap_update_bits(arizona->regmap,
1443 base + ARIZONA_AIF_FRAME_CTRL_2,
1444 ARIZONA_AIF1RX_WL_MASK |
1445 ARIZONA_AIF1RX_SLOT_LEN_MASK, frame);
1446 }
1447
1448 restore_aif:
1449 if (reconfig) {
1450 /* Restore AIF TX/RX state */
1451 regmap_update_bits_async(arizona->regmap,
1452 base + ARIZONA_AIF_TX_ENABLES,
1453 0xff, aif_tx_state);
1454 regmap_update_bits(arizona->regmap,
1455 base + ARIZONA_AIF_RX_ENABLES,
1456 0xff, aif_rx_state);
1457 }
1458 return ret;
1459 }
1460
arizona_dai_clk_str(int clk_id)1461 static const char *arizona_dai_clk_str(int clk_id)
1462 {
1463 switch (clk_id) {
1464 case ARIZONA_CLK_SYSCLK:
1465 return "SYSCLK";
1466 case ARIZONA_CLK_ASYNCCLK:
1467 return "ASYNCCLK";
1468 default:
1469 return "Unknown clock";
1470 }
1471 }
1472
arizona_dai_set_sysclk(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)1473 static int arizona_dai_set_sysclk(struct snd_soc_dai *dai,
1474 int clk_id, unsigned int freq, int dir)
1475 {
1476 struct snd_soc_codec *codec = dai->codec;
1477 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1478 struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
1479 struct snd_soc_dapm_route routes[2];
1480
1481 switch (clk_id) {
1482 case ARIZONA_CLK_SYSCLK:
1483 case ARIZONA_CLK_ASYNCCLK:
1484 break;
1485 default:
1486 return -EINVAL;
1487 }
1488
1489 if (clk_id == dai_priv->clk)
1490 return 0;
1491
1492 if (dai->active) {
1493 dev_err(codec->dev, "Can't change clock on active DAI %d\n",
1494 dai->id);
1495 return -EBUSY;
1496 }
1497
1498 dev_dbg(codec->dev, "Setting AIF%d to %s\n", dai->id + 1,
1499 arizona_dai_clk_str(clk_id));
1500
1501 memset(&routes, 0, sizeof(routes));
1502 routes[0].sink = dai->driver->capture.stream_name;
1503 routes[1].sink = dai->driver->playback.stream_name;
1504
1505 routes[0].source = arizona_dai_clk_str(dai_priv->clk);
1506 routes[1].source = arizona_dai_clk_str(dai_priv->clk);
1507 snd_soc_dapm_del_routes(&codec->dapm, routes, ARRAY_SIZE(routes));
1508
1509 routes[0].source = arizona_dai_clk_str(clk_id);
1510 routes[1].source = arizona_dai_clk_str(clk_id);
1511 snd_soc_dapm_add_routes(&codec->dapm, routes, ARRAY_SIZE(routes));
1512
1513 dai_priv->clk = clk_id;
1514
1515 return snd_soc_dapm_sync(&codec->dapm);
1516 }
1517
arizona_set_tristate(struct snd_soc_dai * dai,int tristate)1518 static int arizona_set_tristate(struct snd_soc_dai *dai, int tristate)
1519 {
1520 struct snd_soc_codec *codec = dai->codec;
1521 int base = dai->driver->base;
1522 unsigned int reg;
1523
1524 if (tristate)
1525 reg = ARIZONA_AIF1_TRI;
1526 else
1527 reg = 0;
1528
1529 return snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
1530 ARIZONA_AIF1_TRI, reg);
1531 }
1532
arizona_set_channels_to_mask(struct snd_soc_dai * dai,unsigned int base,int channels,unsigned int mask)1533 static void arizona_set_channels_to_mask(struct snd_soc_dai *dai,
1534 unsigned int base,
1535 int channels, unsigned int mask)
1536 {
1537 struct snd_soc_codec *codec = dai->codec;
1538 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1539 struct arizona *arizona = priv->arizona;
1540 int slot, i;
1541
1542 for (i = 0; i < channels; ++i) {
1543 slot = ffs(mask) - 1;
1544 if (slot < 0)
1545 return;
1546
1547 regmap_write(arizona->regmap, base + i, slot);
1548
1549 mask &= ~(1 << slot);
1550 }
1551
1552 if (mask)
1553 arizona_aif_warn(dai, "Too many channels in TDM mask\n");
1554 }
1555
arizona_set_tdm_slot(struct snd_soc_dai * dai,unsigned int tx_mask,unsigned int rx_mask,int slots,int slot_width)1556 static int arizona_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
1557 unsigned int rx_mask, int slots, int slot_width)
1558 {
1559 struct snd_soc_codec *codec = dai->codec;
1560 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1561 struct arizona *arizona = priv->arizona;
1562 int base = dai->driver->base;
1563 int rx_max_chan = dai->driver->playback.channels_max;
1564 int tx_max_chan = dai->driver->capture.channels_max;
1565
1566 /* Only support TDM for the physical AIFs */
1567 if (dai->id > ARIZONA_MAX_AIF)
1568 return -ENOTSUPP;
1569
1570 if (slots == 0) {
1571 tx_mask = (1 << tx_max_chan) - 1;
1572 rx_mask = (1 << rx_max_chan) - 1;
1573 }
1574
1575 arizona_set_channels_to_mask(dai, base + ARIZONA_AIF_FRAME_CTRL_3,
1576 tx_max_chan, tx_mask);
1577 arizona_set_channels_to_mask(dai, base + ARIZONA_AIF_FRAME_CTRL_11,
1578 rx_max_chan, rx_mask);
1579
1580 arizona->tdm_width[dai->id - 1] = slot_width;
1581 arizona->tdm_slots[dai->id - 1] = slots;
1582
1583 return 0;
1584 }
1585
1586 const struct snd_soc_dai_ops arizona_dai_ops = {
1587 .startup = arizona_startup,
1588 .set_fmt = arizona_set_fmt,
1589 .set_tdm_slot = arizona_set_tdm_slot,
1590 .hw_params = arizona_hw_params,
1591 .set_sysclk = arizona_dai_set_sysclk,
1592 .set_tristate = arizona_set_tristate,
1593 };
1594 EXPORT_SYMBOL_GPL(arizona_dai_ops);
1595
1596 const struct snd_soc_dai_ops arizona_simple_dai_ops = {
1597 .startup = arizona_startup,
1598 .hw_params = arizona_hw_params_rate,
1599 .set_sysclk = arizona_dai_set_sysclk,
1600 };
1601 EXPORT_SYMBOL_GPL(arizona_simple_dai_ops);
1602
arizona_init_dai(struct arizona_priv * priv,int id)1603 int arizona_init_dai(struct arizona_priv *priv, int id)
1604 {
1605 struct arizona_dai_priv *dai_priv = &priv->dai[id];
1606
1607 dai_priv->clk = ARIZONA_CLK_SYSCLK;
1608
1609 return 0;
1610 }
1611 EXPORT_SYMBOL_GPL(arizona_init_dai);
1612
1613 static struct {
1614 unsigned int min;
1615 unsigned int max;
1616 u16 fratio;
1617 int ratio;
1618 } fll_fratios[] = {
1619 { 0, 64000, 4, 16 },
1620 { 64000, 128000, 3, 8 },
1621 { 128000, 256000, 2, 4 },
1622 { 256000, 1000000, 1, 2 },
1623 { 1000000, 13500000, 0, 1 },
1624 };
1625
1626 static struct {
1627 unsigned int min;
1628 unsigned int max;
1629 u16 gain;
1630 } fll_gains[] = {
1631 { 0, 256000, 0 },
1632 { 256000, 1000000, 2 },
1633 { 1000000, 13500000, 4 },
1634 };
1635
1636 struct arizona_fll_cfg {
1637 int n;
1638 int theta;
1639 int lambda;
1640 int refdiv;
1641 int outdiv;
1642 int fratio;
1643 int gain;
1644 };
1645
arizona_validate_fll(struct arizona_fll * fll,unsigned int Fref,unsigned int Fout)1646 static int arizona_validate_fll(struct arizona_fll *fll,
1647 unsigned int Fref,
1648 unsigned int Fout)
1649 {
1650 unsigned int Fvco_min;
1651
1652 if (fll->fout && Fout != fll->fout) {
1653 arizona_fll_err(fll,
1654 "Can't change output on active FLL\n");
1655 return -EINVAL;
1656 }
1657
1658 if (Fref / ARIZONA_FLL_MAX_REFDIV > ARIZONA_FLL_MAX_FREF) {
1659 arizona_fll_err(fll,
1660 "Can't scale %dMHz in to <=13.5MHz\n",
1661 Fref);
1662 return -EINVAL;
1663 }
1664
1665 Fvco_min = ARIZONA_FLL_MIN_FVCO * fll->vco_mult;
1666 if (Fout * ARIZONA_FLL_MAX_OUTDIV < Fvco_min) {
1667 arizona_fll_err(fll, "No FLL_OUTDIV for Fout=%uHz\n",
1668 Fout);
1669 return -EINVAL;
1670 }
1671
1672 return 0;
1673 }
1674
arizona_find_fratio(unsigned int Fref,int * fratio)1675 static int arizona_find_fratio(unsigned int Fref, int *fratio)
1676 {
1677 int i;
1678
1679 /* Find an appropriate FLL_FRATIO */
1680 for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
1681 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
1682 if (fratio)
1683 *fratio = fll_fratios[i].fratio;
1684 return fll_fratios[i].ratio;
1685 }
1686 }
1687
1688 return -EINVAL;
1689 }
1690
arizona_calc_fratio(struct arizona_fll * fll,struct arizona_fll_cfg * cfg,unsigned int target,unsigned int Fref,bool sync)1691 static int arizona_calc_fratio(struct arizona_fll *fll,
1692 struct arizona_fll_cfg *cfg,
1693 unsigned int target,
1694 unsigned int Fref, bool sync)
1695 {
1696 int init_ratio, ratio;
1697 int refdiv, div;
1698
1699 /* Fref must be <=13.5MHz, find initial refdiv */
1700 div = 1;
1701 cfg->refdiv = 0;
1702 while (Fref > ARIZONA_FLL_MAX_FREF) {
1703 div *= 2;
1704 Fref /= 2;
1705 cfg->refdiv++;
1706
1707 if (div > ARIZONA_FLL_MAX_REFDIV)
1708 return -EINVAL;
1709 }
1710
1711 /* Find an appropriate FLL_FRATIO */
1712 init_ratio = arizona_find_fratio(Fref, &cfg->fratio);
1713 if (init_ratio < 0) {
1714 arizona_fll_err(fll, "Unable to find FRATIO for Fref=%uHz\n",
1715 Fref);
1716 return init_ratio;
1717 }
1718
1719 switch (fll->arizona->type) {
1720 case WM5110:
1721 case WM8280:
1722 if (fll->arizona->rev < 3 || sync)
1723 return init_ratio;
1724 break;
1725 default:
1726 return init_ratio;
1727 }
1728
1729 cfg->fratio = init_ratio - 1;
1730
1731 /* Adjust FRATIO/refdiv to avoid integer mode if possible */
1732 refdiv = cfg->refdiv;
1733
1734 while (div <= ARIZONA_FLL_MAX_REFDIV) {
1735 for (ratio = init_ratio; ratio <= ARIZONA_FLL_MAX_FRATIO;
1736 ratio++) {
1737 if ((ARIZONA_FLL_VCO_CORNER / 2) /
1738 (fll->vco_mult * ratio) < Fref)
1739 break;
1740
1741 if (target % (ratio * Fref)) {
1742 cfg->refdiv = refdiv;
1743 cfg->fratio = ratio - 1;
1744 return ratio;
1745 }
1746 }
1747
1748 for (ratio = init_ratio - 1; ratio > 0; ratio--) {
1749 if (target % (ratio * Fref)) {
1750 cfg->refdiv = refdiv;
1751 cfg->fratio = ratio - 1;
1752 return ratio;
1753 }
1754 }
1755
1756 div *= 2;
1757 Fref /= 2;
1758 refdiv++;
1759 init_ratio = arizona_find_fratio(Fref, NULL);
1760 }
1761
1762 arizona_fll_warn(fll, "Falling back to integer mode operation\n");
1763 return cfg->fratio + 1;
1764 }
1765
arizona_calc_fll(struct arizona_fll * fll,struct arizona_fll_cfg * cfg,unsigned int Fref,bool sync)1766 static int arizona_calc_fll(struct arizona_fll *fll,
1767 struct arizona_fll_cfg *cfg,
1768 unsigned int Fref, bool sync)
1769 {
1770 unsigned int target, div, gcd_fll;
1771 int i, ratio;
1772
1773 arizona_fll_dbg(fll, "Fref=%u Fout=%u\n", Fref, fll->fout);
1774
1775 /* Fvco should be over the targt; don't check the upper bound */
1776 div = ARIZONA_FLL_MIN_OUTDIV;
1777 while (fll->fout * div < ARIZONA_FLL_MIN_FVCO * fll->vco_mult) {
1778 div++;
1779 if (div > ARIZONA_FLL_MAX_OUTDIV)
1780 return -EINVAL;
1781 }
1782 target = fll->fout * div / fll->vco_mult;
1783 cfg->outdiv = div;
1784
1785 arizona_fll_dbg(fll, "Fvco=%dHz\n", target);
1786
1787 /* Find an appropriate FLL_FRATIO and refdiv */
1788 ratio = arizona_calc_fratio(fll, cfg, target, Fref, sync);
1789 if (ratio < 0)
1790 return ratio;
1791
1792 /* Apply the division for our remaining calculations */
1793 Fref = Fref / (1 << cfg->refdiv);
1794
1795 cfg->n = target / (ratio * Fref);
1796
1797 if (target % (ratio * Fref)) {
1798 gcd_fll = gcd(target, ratio * Fref);
1799 arizona_fll_dbg(fll, "GCD=%u\n", gcd_fll);
1800
1801 cfg->theta = (target - (cfg->n * ratio * Fref))
1802 / gcd_fll;
1803 cfg->lambda = (ratio * Fref) / gcd_fll;
1804 } else {
1805 cfg->theta = 0;
1806 cfg->lambda = 0;
1807 }
1808
1809 /* Round down to 16bit range with cost of accuracy lost.
1810 * Denominator must be bigger than numerator so we only
1811 * take care of it.
1812 */
1813 while (cfg->lambda >= (1 << 16)) {
1814 cfg->theta >>= 1;
1815 cfg->lambda >>= 1;
1816 }
1817
1818 for (i = 0; i < ARRAY_SIZE(fll_gains); i++) {
1819 if (fll_gains[i].min <= Fref && Fref <= fll_gains[i].max) {
1820 cfg->gain = fll_gains[i].gain;
1821 break;
1822 }
1823 }
1824 if (i == ARRAY_SIZE(fll_gains)) {
1825 arizona_fll_err(fll, "Unable to find gain for Fref=%uHz\n",
1826 Fref);
1827 return -EINVAL;
1828 }
1829
1830 arizona_fll_dbg(fll, "N=%x THETA=%x LAMBDA=%x\n",
1831 cfg->n, cfg->theta, cfg->lambda);
1832 arizona_fll_dbg(fll, "FRATIO=%x(%d) OUTDIV=%x REFCLK_DIV=%x\n",
1833 cfg->fratio, cfg->fratio, cfg->outdiv, cfg->refdiv);
1834 arizona_fll_dbg(fll, "GAIN=%d\n", cfg->gain);
1835
1836 return 0;
1837
1838 }
1839
arizona_apply_fll(struct arizona * arizona,unsigned int base,struct arizona_fll_cfg * cfg,int source,bool sync)1840 static void arizona_apply_fll(struct arizona *arizona, unsigned int base,
1841 struct arizona_fll_cfg *cfg, int source,
1842 bool sync)
1843 {
1844 regmap_update_bits_async(arizona->regmap, base + 3,
1845 ARIZONA_FLL1_THETA_MASK, cfg->theta);
1846 regmap_update_bits_async(arizona->regmap, base + 4,
1847 ARIZONA_FLL1_LAMBDA_MASK, cfg->lambda);
1848 regmap_update_bits_async(arizona->regmap, base + 5,
1849 ARIZONA_FLL1_FRATIO_MASK,
1850 cfg->fratio << ARIZONA_FLL1_FRATIO_SHIFT);
1851 regmap_update_bits_async(arizona->regmap, base + 6,
1852 ARIZONA_FLL1_CLK_REF_DIV_MASK |
1853 ARIZONA_FLL1_CLK_REF_SRC_MASK,
1854 cfg->refdiv << ARIZONA_FLL1_CLK_REF_DIV_SHIFT |
1855 source << ARIZONA_FLL1_CLK_REF_SRC_SHIFT);
1856
1857 if (sync) {
1858 regmap_update_bits(arizona->regmap, base + 0x7,
1859 ARIZONA_FLL1_GAIN_MASK,
1860 cfg->gain << ARIZONA_FLL1_GAIN_SHIFT);
1861 } else {
1862 regmap_update_bits(arizona->regmap, base + 0x5,
1863 ARIZONA_FLL1_OUTDIV_MASK,
1864 cfg->outdiv << ARIZONA_FLL1_OUTDIV_SHIFT);
1865 regmap_update_bits(arizona->regmap, base + 0x9,
1866 ARIZONA_FLL1_GAIN_MASK,
1867 cfg->gain << ARIZONA_FLL1_GAIN_SHIFT);
1868 }
1869
1870 regmap_update_bits_async(arizona->regmap, base + 2,
1871 ARIZONA_FLL1_CTRL_UPD | ARIZONA_FLL1_N_MASK,
1872 ARIZONA_FLL1_CTRL_UPD | cfg->n);
1873 }
1874
arizona_is_enabled_fll(struct arizona_fll * fll)1875 static int arizona_is_enabled_fll(struct arizona_fll *fll)
1876 {
1877 struct arizona *arizona = fll->arizona;
1878 unsigned int reg;
1879 int ret;
1880
1881 ret = regmap_read(arizona->regmap, fll->base + 1, ®);
1882 if (ret != 0) {
1883 arizona_fll_err(fll, "Failed to read current state: %d\n",
1884 ret);
1885 return ret;
1886 }
1887
1888 return reg & ARIZONA_FLL1_ENA;
1889 }
1890
arizona_enable_fll(struct arizona_fll * fll)1891 static int arizona_enable_fll(struct arizona_fll *fll)
1892 {
1893 struct arizona *arizona = fll->arizona;
1894 bool use_sync = false;
1895 int already_enabled = arizona_is_enabled_fll(fll);
1896 struct arizona_fll_cfg cfg;
1897 int i;
1898 unsigned int val;
1899
1900 if (already_enabled < 0)
1901 return already_enabled;
1902
1903 if (already_enabled) {
1904 /* Facilitate smooth refclk across the transition */
1905 regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x9,
1906 ARIZONA_FLL1_GAIN_MASK, 0);
1907 regmap_update_bits_async(fll->arizona->regmap, fll->base + 1,
1908 ARIZONA_FLL1_FREERUN,
1909 ARIZONA_FLL1_FREERUN);
1910 }
1911
1912 /*
1913 * If we have both REFCLK and SYNCCLK then enable both,
1914 * otherwise apply the SYNCCLK settings to REFCLK.
1915 */
1916 if (fll->ref_src >= 0 && fll->ref_freq &&
1917 fll->ref_src != fll->sync_src) {
1918 arizona_calc_fll(fll, &cfg, fll->ref_freq, false);
1919
1920 arizona_apply_fll(arizona, fll->base, &cfg, fll->ref_src,
1921 false);
1922 if (fll->sync_src >= 0) {
1923 arizona_calc_fll(fll, &cfg, fll->sync_freq, true);
1924
1925 arizona_apply_fll(arizona, fll->base + 0x10, &cfg,
1926 fll->sync_src, true);
1927 use_sync = true;
1928 }
1929 } else if (fll->sync_src >= 0) {
1930 arizona_calc_fll(fll, &cfg, fll->sync_freq, false);
1931
1932 arizona_apply_fll(arizona, fll->base, &cfg,
1933 fll->sync_src, false);
1934
1935 regmap_update_bits_async(arizona->regmap, fll->base + 0x11,
1936 ARIZONA_FLL1_SYNC_ENA, 0);
1937 } else {
1938 arizona_fll_err(fll, "No clocks provided\n");
1939 return -EINVAL;
1940 }
1941
1942 /*
1943 * Increase the bandwidth if we're not using a low frequency
1944 * sync source.
1945 */
1946 if (use_sync && fll->sync_freq > 100000)
1947 regmap_update_bits_async(arizona->regmap, fll->base + 0x17,
1948 ARIZONA_FLL1_SYNC_BW, 0);
1949 else
1950 regmap_update_bits_async(arizona->regmap, fll->base + 0x17,
1951 ARIZONA_FLL1_SYNC_BW,
1952 ARIZONA_FLL1_SYNC_BW);
1953
1954 if (!already_enabled)
1955 pm_runtime_get(arizona->dev);
1956
1957 regmap_update_bits_async(arizona->regmap, fll->base + 1,
1958 ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA);
1959 if (use_sync)
1960 regmap_update_bits_async(arizona->regmap, fll->base + 0x11,
1961 ARIZONA_FLL1_SYNC_ENA,
1962 ARIZONA_FLL1_SYNC_ENA);
1963
1964 if (already_enabled)
1965 regmap_update_bits_async(arizona->regmap, fll->base + 1,
1966 ARIZONA_FLL1_FREERUN, 0);
1967
1968 arizona_fll_dbg(fll, "Waiting for FLL lock...\n");
1969 val = 0;
1970 for (i = 0; i < 15; i++) {
1971 if (i < 5)
1972 usleep_range(200, 400);
1973 else
1974 msleep(20);
1975
1976 regmap_read(arizona->regmap,
1977 ARIZONA_INTERRUPT_RAW_STATUS_5,
1978 &val);
1979 if (val & (ARIZONA_FLL1_CLOCK_OK_STS << (fll->id - 1)))
1980 break;
1981 }
1982 if (i == 15)
1983 arizona_fll_warn(fll, "Timed out waiting for lock\n");
1984 else
1985 arizona_fll_dbg(fll, "FLL locked (%d polls)\n", i);
1986
1987 return 0;
1988 }
1989
arizona_disable_fll(struct arizona_fll * fll)1990 static void arizona_disable_fll(struct arizona_fll *fll)
1991 {
1992 struct arizona *arizona = fll->arizona;
1993 bool change;
1994
1995 regmap_update_bits_async(arizona->regmap, fll->base + 1,
1996 ARIZONA_FLL1_FREERUN, ARIZONA_FLL1_FREERUN);
1997 regmap_update_bits_check(arizona->regmap, fll->base + 1,
1998 ARIZONA_FLL1_ENA, 0, &change);
1999 regmap_update_bits(arizona->regmap, fll->base + 0x11,
2000 ARIZONA_FLL1_SYNC_ENA, 0);
2001 regmap_update_bits_async(arizona->regmap, fll->base + 1,
2002 ARIZONA_FLL1_FREERUN, 0);
2003
2004 if (change)
2005 pm_runtime_put_autosuspend(arizona->dev);
2006 }
2007
arizona_set_fll_refclk(struct arizona_fll * fll,int source,unsigned int Fref,unsigned int Fout)2008 int arizona_set_fll_refclk(struct arizona_fll *fll, int source,
2009 unsigned int Fref, unsigned int Fout)
2010 {
2011 int ret = 0;
2012
2013 if (fll->ref_src == source && fll->ref_freq == Fref)
2014 return 0;
2015
2016 if (fll->fout && Fref > 0) {
2017 ret = arizona_validate_fll(fll, Fref, fll->fout);
2018 if (ret != 0)
2019 return ret;
2020 }
2021
2022 fll->ref_src = source;
2023 fll->ref_freq = Fref;
2024
2025 if (fll->fout && Fref > 0) {
2026 ret = arizona_enable_fll(fll);
2027 }
2028
2029 return ret;
2030 }
2031 EXPORT_SYMBOL_GPL(arizona_set_fll_refclk);
2032
arizona_set_fll(struct arizona_fll * fll,int source,unsigned int Fref,unsigned int Fout)2033 int arizona_set_fll(struct arizona_fll *fll, int source,
2034 unsigned int Fref, unsigned int Fout)
2035 {
2036 int ret = 0;
2037
2038 if (fll->sync_src == source &&
2039 fll->sync_freq == Fref && fll->fout == Fout)
2040 return 0;
2041
2042 if (Fout) {
2043 if (fll->ref_src >= 0) {
2044 ret = arizona_validate_fll(fll, fll->ref_freq, Fout);
2045 if (ret != 0)
2046 return ret;
2047 }
2048
2049 ret = arizona_validate_fll(fll, Fref, Fout);
2050 if (ret != 0)
2051 return ret;
2052 }
2053
2054 fll->sync_src = source;
2055 fll->sync_freq = Fref;
2056 fll->fout = Fout;
2057
2058 if (Fout)
2059 ret = arizona_enable_fll(fll);
2060 else
2061 arizona_disable_fll(fll);
2062
2063 return ret;
2064 }
2065 EXPORT_SYMBOL_GPL(arizona_set_fll);
2066
arizona_init_fll(struct arizona * arizona,int id,int base,int lock_irq,int ok_irq,struct arizona_fll * fll)2067 int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq,
2068 int ok_irq, struct arizona_fll *fll)
2069 {
2070 unsigned int val;
2071
2072 fll->id = id;
2073 fll->base = base;
2074 fll->arizona = arizona;
2075 fll->sync_src = ARIZONA_FLL_SRC_NONE;
2076
2077 /* Configure default refclk to 32kHz if we have one */
2078 regmap_read(arizona->regmap, ARIZONA_CLOCK_32K_1, &val);
2079 switch (val & ARIZONA_CLK_32K_SRC_MASK) {
2080 case ARIZONA_CLK_SRC_MCLK1:
2081 case ARIZONA_CLK_SRC_MCLK2:
2082 fll->ref_src = val & ARIZONA_CLK_32K_SRC_MASK;
2083 break;
2084 default:
2085 fll->ref_src = ARIZONA_FLL_SRC_NONE;
2086 }
2087 fll->ref_freq = 32768;
2088
2089 snprintf(fll->lock_name, sizeof(fll->lock_name), "FLL%d lock", id);
2090 snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name),
2091 "FLL%d clock OK", id);
2092
2093 regmap_update_bits(arizona->regmap, fll->base + 1,
2094 ARIZONA_FLL1_FREERUN, 0);
2095
2096 return 0;
2097 }
2098 EXPORT_SYMBOL_GPL(arizona_init_fll);
2099
2100 /**
2101 * arizona_set_output_mode - Set the mode of the specified output
2102 *
2103 * @codec: Device to configure
2104 * @output: Output number
2105 * @diff: True to set the output to differential mode
2106 *
2107 * Some systems use external analogue switches to connect more
2108 * analogue devices to the CODEC than are supported by the device. In
2109 * some systems this requires changing the switched output from single
2110 * ended to differential mode dynamically at runtime, an operation
2111 * supported using this function.
2112 *
2113 * Most systems have a single static configuration and should use
2114 * platform data instead.
2115 */
arizona_set_output_mode(struct snd_soc_codec * codec,int output,bool diff)2116 int arizona_set_output_mode(struct snd_soc_codec *codec, int output, bool diff)
2117 {
2118 unsigned int reg, val;
2119
2120 if (output < 1 || output > 6)
2121 return -EINVAL;
2122
2123 reg = ARIZONA_OUTPUT_PATH_CONFIG_1L + (output - 1) * 8;
2124
2125 if (diff)
2126 val = ARIZONA_OUT1_MONO;
2127 else
2128 val = 0;
2129
2130 return snd_soc_update_bits(codec, reg, ARIZONA_OUT1_MONO, val);
2131 }
2132 EXPORT_SYMBOL_GPL(arizona_set_output_mode);
2133
2134 MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support");
2135 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
2136 MODULE_LICENSE("GPL");
2137