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w1: ds2490: use kmemdup rather than duplicating its implementation
[linux-stable.git] / drivers / mfd / arizona-core.c
blobb6d4bc63c42624388efc230355b2f0a0fd192f92
1 /*
2 * Arizona core driver
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/clk.h>
14 #include <linux/delay.h>
15 #include <linux/err.h>
16 #include <linux/gpio.h>
17 #include <linux/interrupt.h>
18 #include <linux/mfd/core.h>
19 #include <linux/module.h>
20 #include <linux/of.h>
21 #include <linux/of_device.h>
22 #include <linux/of_gpio.h>
23 #include <linux/pm_runtime.h>
24 #include <linux/regmap.h>
25 #include <linux/regulator/consumer.h>
26 #include <linux/regulator/machine.h>
27 #include <linux/slab.h>
28 #include <linux/platform_device.h>
29
30 #include <linux/mfd/arizona/core.h>
31 #include <linux/mfd/arizona/registers.h>
32
33 #include "arizona.h"
34
35 static const char * const wm5102_core_supplies[] = {
36 "AVDD",
37 "DBVDD1",
38 };
39
40 int arizona_clk32k_enable(struct arizona *arizona)
41 {
42 int ret = 0;
43
44 mutex_lock(&arizona->clk_lock);
45
46 arizona->clk32k_ref++;
47
48 if (arizona->clk32k_ref == 1) {
49 switch (arizona->pdata.clk32k_src) {
50 case ARIZONA_32KZ_MCLK1:
51 ret = pm_runtime_get_sync(arizona->dev);
52 if (ret != 0)
53 goto err_ref;
54 ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK1]);
55 if (ret != 0)
56 goto err_pm;
57 break;
58 case ARIZONA_32KZ_MCLK2:
59 ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK2]);
60 if (ret != 0)
61 goto err_ref;
62 break;
63 }
64
65 ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
66 ARIZONA_CLK_32K_ENA,
67 ARIZONA_CLK_32K_ENA);
68 }
69
70 err_pm:
71 pm_runtime_put_sync(arizona->dev);
72 err_ref:
73 if (ret != 0)
74 arizona->clk32k_ref--;
75
76 mutex_unlock(&arizona->clk_lock);
77
78 return ret;
79 }
80 EXPORT_SYMBOL_GPL(arizona_clk32k_enable);
81
82 int arizona_clk32k_disable(struct arizona *arizona)
83 {
84 mutex_lock(&arizona->clk_lock);
85
86 BUG_ON(arizona->clk32k_ref <= 0);
87
88 arizona->clk32k_ref--;
89
90 if (arizona->clk32k_ref == 0) {
91 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
92 ARIZONA_CLK_32K_ENA, 0);
93
94 switch (arizona->pdata.clk32k_src) {
95 case ARIZONA_32KZ_MCLK1:
96 pm_runtime_put_sync(arizona->dev);
97 clk_disable_unprepare(arizona->mclk[ARIZONA_MCLK1]);
98 break;
99 case ARIZONA_32KZ_MCLK2:
100 clk_disable_unprepare(arizona->mclk[ARIZONA_MCLK2]);
101 break;
102 }
103 }
104
105 mutex_unlock(&arizona->clk_lock);
106
107 return 0;
108 }
109 EXPORT_SYMBOL_GPL(arizona_clk32k_disable);
110
111 static irqreturn_t arizona_clkgen_err(int irq, void *data)
112 {
113 struct arizona *arizona = data;
114
115 dev_err(arizona->dev, "CLKGEN error\n");
116
117 return IRQ_HANDLED;
118 }
119
120 static irqreturn_t arizona_underclocked(int irq, void *data)
121 {
122 struct arizona *arizona = data;
123 unsigned int val;
124 int ret;
125
126 ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8,
127 &val);
128 if (ret != 0) {
129 dev_err(arizona->dev, "Failed to read underclock status: %d\n",
130 ret);
131 return IRQ_NONE;
132 }
133
134 if (val & ARIZONA_AIF3_UNDERCLOCKED_STS)
135 dev_err(arizona->dev, "AIF3 underclocked\n");
136 if (val & ARIZONA_AIF2_UNDERCLOCKED_STS)
137 dev_err(arizona->dev, "AIF2 underclocked\n");
138 if (val & ARIZONA_AIF1_UNDERCLOCKED_STS)
139 dev_err(arizona->dev, "AIF1 underclocked\n");
140 if (val & ARIZONA_ISRC3_UNDERCLOCKED_STS)
141 dev_err(arizona->dev, "ISRC3 underclocked\n");
142 if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS)
143 dev_err(arizona->dev, "ISRC2 underclocked\n");
144 if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS)
145 dev_err(arizona->dev, "ISRC1 underclocked\n");
146 if (val & ARIZONA_FX_UNDERCLOCKED_STS)
147 dev_err(arizona->dev, "FX underclocked\n");
148 if (val & ARIZONA_ASRC_UNDERCLOCKED_STS)
149 dev_err(arizona->dev, "ASRC underclocked\n");
150 if (val & ARIZONA_DAC_UNDERCLOCKED_STS)
151 dev_err(arizona->dev, "DAC underclocked\n");
152 if (val & ARIZONA_ADC_UNDERCLOCKED_STS)
153 dev_err(arizona->dev, "ADC underclocked\n");
154 if (val & ARIZONA_MIXER_UNDERCLOCKED_STS)
155 dev_err(arizona->dev, "Mixer dropped sample\n");
156
157 return IRQ_HANDLED;
158 }
159
160 static irqreturn_t arizona_overclocked(int irq, void *data)
161 {
162 struct arizona *arizona = data;
163 unsigned int val[3];
164 int ret;
165
166 ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6,
167 &val[0], 3);
168 if (ret != 0) {
169 dev_err(arizona->dev, "Failed to read overclock status: %d\n",
170 ret);
171 return IRQ_NONE;
172 }
173
174 switch (arizona->type) {
175 case WM8998:
176 case WM1814:
177 /* Some bits are shifted on WM8998,
178 * rearrange to match the standard bit layout
179 */
180 val[0] = ((val[0] & 0x60e0) >> 1) |
181 ((val[0] & 0x1e00) >> 2) |
182 (val[0] & 0x000f);
183 break;
184 default:
185 break;
186 }
187
188 if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS)
189 dev_err(arizona->dev, "PWM overclocked\n");
190 if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS)
191 dev_err(arizona->dev, "FX core overclocked\n");
192 if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS)
193 dev_err(arizona->dev, "DAC SYS overclocked\n");
194 if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS)
195 dev_err(arizona->dev, "DAC WARP overclocked\n");
196 if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS)
197 dev_err(arizona->dev, "ADC overclocked\n");
198 if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS)
199 dev_err(arizona->dev, "Mixer overclocked\n");
200 if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS)
201 dev_err(arizona->dev, "AIF3 overclocked\n");
202 if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS)
203 dev_err(arizona->dev, "AIF2 overclocked\n");
204 if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS)
205 dev_err(arizona->dev, "AIF1 overclocked\n");
206 if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS)
207 dev_err(arizona->dev, "Pad control overclocked\n");
208
209 if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS)
210 dev_err(arizona->dev, "Slimbus subsystem overclocked\n");
211 if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS)
212 dev_err(arizona->dev, "Slimbus async overclocked\n");
213 if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS)
214 dev_err(arizona->dev, "Slimbus sync overclocked\n");
215 if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS)
216 dev_err(arizona->dev, "ASRC async system overclocked\n");
217 if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS)
218 dev_err(arizona->dev, "ASRC async WARP overclocked\n");
219 if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS)
220 dev_err(arizona->dev, "ASRC sync system overclocked\n");
221 if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS)
222 dev_err(arizona->dev, "ASRC sync WARP overclocked\n");
223 if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS)
224 dev_err(arizona->dev, "DSP1 overclocked\n");
225 if (val[1] & ARIZONA_ISRC3_OVERCLOCKED_STS)
226 dev_err(arizona->dev, "ISRC3 overclocked\n");
227 if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS)
228 dev_err(arizona->dev, "ISRC2 overclocked\n");
229 if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS)
230 dev_err(arizona->dev, "ISRC1 overclocked\n");
231
232 if (val[2] & ARIZONA_SPDIF_OVERCLOCKED_STS)
233 dev_err(arizona->dev, "SPDIF overclocked\n");
234
235 return IRQ_HANDLED;
236 }
237
238 static int arizona_poll_reg(struct arizona *arizona,
239 int timeout, unsigned int reg,
240 unsigned int mask, unsigned int target)
241 {
242 unsigned int val = 0;
243 int ret, i;
244
245 for (i = 0; i < timeout; i++) {
246 ret = regmap_read(arizona->regmap, reg, &val);
247 if (ret != 0) {
248 dev_err(arizona->dev, "Failed to read reg %u: %d\n",
249 reg, ret);
250 continue;
251 }
252
253 if ((val & mask) == target)
254 return 0;
255
256 usleep_range(1000, 5000);
257 }
258
259 dev_err(arizona->dev, "Polling reg %u timed out: %x\n", reg, val);
260 return -ETIMEDOUT;
261 }
262
263 static int arizona_wait_for_boot(struct arizona *arizona)
264 {
265 int ret;
266
267 /*
268 * We can't use an interrupt as we need to runtime resume to do so,
269 * we won't race with the interrupt handler as it'll be blocked on
270 * runtime resume.
271 */
272 ret = arizona_poll_reg(arizona, 5, ARIZONA_INTERRUPT_RAW_STATUS_5,
273 ARIZONA_BOOT_DONE_STS, ARIZONA_BOOT_DONE_STS);
274
275 if (!ret)
276 regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5,
277 ARIZONA_BOOT_DONE_STS);
278
279 pm_runtime_mark_last_busy(arizona->dev);
280
281 return ret;
282 }
283
284 static inline void arizona_enable_reset(struct arizona *arizona)
285 {
286 if (arizona->pdata.reset)
287 gpio_set_value_cansleep(arizona->pdata.reset, 0);
288 }
289
290 static void arizona_disable_reset(struct arizona *arizona)
291 {
292 if (arizona->pdata.reset) {
293 switch (arizona->type) {
294 case WM5110:
295 case WM8280:
296 /* Meet requirements for minimum reset duration */
297 usleep_range(5000, 10000);
298 break;
299 default:
300 break;
301 }
302
303 gpio_set_value_cansleep(arizona->pdata.reset, 1);
304 usleep_range(1000, 5000);
305 }
306 }
307
308 struct arizona_sysclk_state {
309 unsigned int fll;
310 unsigned int sysclk;
311 };
312
313 static int arizona_enable_freerun_sysclk(struct arizona *arizona,
314 struct arizona_sysclk_state *state)
315 {
316 int ret, err;
317
318 /* Cache existing FLL and SYSCLK settings */
319 ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &state->fll);
320 if (ret) {
321 dev_err(arizona->dev, "Failed to cache FLL settings: %d\n",
322 ret);
323 return ret;
324 }
325 ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
326 &state->sysclk);
327 if (ret) {
328 dev_err(arizona->dev, "Failed to cache SYSCLK settings: %d\n",
329 ret);
330 return ret;
331 }
332
333 /* Start up SYSCLK using the FLL in free running mode */
334 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1,
335 ARIZONA_FLL1_ENA | ARIZONA_FLL1_FREERUN);
336 if (ret) {
337 dev_err(arizona->dev,
338 "Failed to start FLL in freerunning mode: %d\n",
339 ret);
340 return ret;
341 }
342 ret = arizona_poll_reg(arizona, 25, ARIZONA_INTERRUPT_RAW_STATUS_5,
343 ARIZONA_FLL1_CLOCK_OK_STS,
344 ARIZONA_FLL1_CLOCK_OK_STS);
345 if (ret) {
346 ret = -ETIMEDOUT;
347 goto err_fll;
348 }
349
350 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, 0x0144);
351 if (ret) {
352 dev_err(arizona->dev, "Failed to start SYSCLK: %d\n", ret);
353 goto err_fll;
354 }
355
356 return 0;
357
358 err_fll:
359 err = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
360 if (err)
361 dev_err(arizona->dev,
362 "Failed to re-apply old FLL settings: %d\n", err);
363
364 return ret;
365 }
366
367 static int arizona_disable_freerun_sysclk(struct arizona *arizona,
368 struct arizona_sysclk_state *state)
369 {
370 int ret;
371
372 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
373 state->sysclk);
374 if (ret) {
375 dev_err(arizona->dev,
376 "Failed to re-apply old SYSCLK settings: %d\n", ret);
377 return ret;
378 }
379
380 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
381 if (ret) {
382 dev_err(arizona->dev,
383 "Failed to re-apply old FLL settings: %d\n", ret);
384 return ret;
385 }
386
387 return 0;
388 }
389
390 static int wm5102_apply_hardware_patch(struct arizona *arizona)
391 {
392 struct arizona_sysclk_state state;
393 int err, ret;
394
395 ret = arizona_enable_freerun_sysclk(arizona, &state);
396 if (ret)
397 return ret;
398
399 /* Start the write sequencer and wait for it to finish */
400 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
401 ARIZONA_WSEQ_ENA | ARIZONA_WSEQ_START | 160);
402 if (ret) {
403 dev_err(arizona->dev, "Failed to start write sequencer: %d\n",
404 ret);
405 goto err;
406 }
407
408 ret = arizona_poll_reg(arizona, 5, ARIZONA_WRITE_SEQUENCER_CTRL_1,
409 ARIZONA_WSEQ_BUSY, 0);
410 if (ret) {
411 regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
412 ARIZONA_WSEQ_ABORT);
413 ret = -ETIMEDOUT;
414 }
415
416 err:
417 err = arizona_disable_freerun_sysclk(arizona, &state);
418
419 return ret ?: err;
420 }
421
422 /*
423 * Register patch to some of the CODECs internal write sequences
424 * to ensure a clean exit from the low power sleep state.
425 */
426 static const struct reg_sequence wm5110_sleep_patch[] = {
427 { 0x337A, 0xC100 },
428 { 0x337B, 0x0041 },
429 { 0x3300, 0xA210 },
430 { 0x3301, 0x050C },
431 };
432
433 static int wm5110_apply_sleep_patch(struct arizona *arizona)
434 {
435 struct arizona_sysclk_state state;
436 int err, ret;
437
438 ret = arizona_enable_freerun_sysclk(arizona, &state);
439 if (ret)
440 return ret;
441
442 ret = regmap_multi_reg_write_bypassed(arizona->regmap,
443 wm5110_sleep_patch,
444 ARRAY_SIZE(wm5110_sleep_patch));
445
446 err = arizona_disable_freerun_sysclk(arizona, &state);
447
448 return ret ?: err;
449 }
450
451 static int wm5102_clear_write_sequencer(struct arizona *arizona)
452 {
453 int ret;
454
455 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_3,
456 0x0);
457 if (ret) {
458 dev_err(arizona->dev,
459 "Failed to clear write sequencer state: %d\n", ret);
460 return ret;
461 }
462
463 arizona_enable_reset(arizona);
464 regulator_disable(arizona->dcvdd);
465
466 msleep(20);
467
468 ret = regulator_enable(arizona->dcvdd);
469 if (ret) {
470 dev_err(arizona->dev, "Failed to re-enable DCVDD: %d\n", ret);
471 return ret;
472 }
473 arizona_disable_reset(arizona);
474
475 return 0;
476 }
477
478 #ifdef CONFIG_PM
479 static int arizona_isolate_dcvdd(struct arizona *arizona)
480 {
481 int ret;
482
483 ret = regmap_update_bits(arizona->regmap,
484 ARIZONA_ISOLATION_CONTROL,
485 ARIZONA_ISOLATE_DCVDD1,
486 ARIZONA_ISOLATE_DCVDD1);
487 if (ret != 0)
488 dev_err(arizona->dev, "Failed to isolate DCVDD: %d\n", ret);
489
490 return ret;
491 }
492
493 static int arizona_connect_dcvdd(struct arizona *arizona)
494 {
495 int ret;
496
497 ret = regmap_update_bits(arizona->regmap,
498 ARIZONA_ISOLATION_CONTROL,
499 ARIZONA_ISOLATE_DCVDD1, 0);
500 if (ret != 0)
501 dev_err(arizona->dev, "Failed to connect DCVDD: %d\n", ret);
502
503 return ret;
504 }
505
506 static int arizona_is_jack_det_active(struct arizona *arizona)
507 {
508 unsigned int val;
509 int ret;
510
511 ret = regmap_read(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, &val);
512 if (ret) {
513 dev_err(arizona->dev,
514 "Failed to check jack det status: %d\n", ret);
515 return ret;
516 } else if (val & ARIZONA_JD1_ENA) {
517 return 1;
518 } else {
519 return 0;
520 }
521 }
522
523 static int arizona_runtime_resume(struct device *dev)
524 {
525 struct arizona *arizona = dev_get_drvdata(dev);
526 int ret;
527
528 dev_dbg(arizona->dev, "Leaving AoD mode\n");
529
530 if (arizona->has_fully_powered_off) {
531 dev_dbg(arizona->dev, "Re-enabling core supplies\n");
532
533 ret = regulator_bulk_enable(arizona->num_core_supplies,
534 arizona->core_supplies);
535 if (ret) {
536 dev_err(dev, "Failed to enable core supplies: %d\n",
537 ret);
538 return ret;
539 }
540 }
541
542 ret = regulator_enable(arizona->dcvdd);
543 if (ret != 0) {
544 dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
545 if (arizona->has_fully_powered_off)
546 regulator_bulk_disable(arizona->num_core_supplies,
547 arizona->core_supplies);
548 return ret;
549 }
550
551 if (arizona->has_fully_powered_off) {
552 arizona_disable_reset(arizona);
553 enable_irq(arizona->irq);
554 arizona->has_fully_powered_off = false;
555 }
556
557 regcache_cache_only(arizona->regmap, false);
558
559 switch (arizona->type) {
560 case WM5102:
561 if (arizona->external_dcvdd) {
562 ret = arizona_connect_dcvdd(arizona);
563 if (ret != 0)
564 goto err;
565 }
566
567 ret = wm5102_patch(arizona);
568 if (ret != 0) {
569 dev_err(arizona->dev, "Failed to apply patch: %d\n",
570 ret);
571 goto err;
572 }
573
574 ret = wm5102_apply_hardware_patch(arizona);
575 if (ret) {
576 dev_err(arizona->dev,
577 "Failed to apply hardware patch: %d\n",
578 ret);
579 goto err;
580 }
581 break;
582 case WM5110:
583 case WM8280:
584 ret = arizona_wait_for_boot(arizona);
585 if (ret)
586 goto err;
587
588 if (arizona->external_dcvdd) {
589 ret = arizona_connect_dcvdd(arizona);
590 if (ret != 0)
591 goto err;
592 } else {
593 /*
594 * As this is only called for the internal regulator
595 * (where we know voltage ranges available) it is ok
596 * to request an exact range.
597 */
598 ret = regulator_set_voltage(arizona->dcvdd,
599 1200000, 1200000);
600 if (ret < 0) {
601 dev_err(arizona->dev,
602 "Failed to set resume voltage: %d\n",
603 ret);
604 goto err;
605 }
606 }
607
608 ret = wm5110_apply_sleep_patch(arizona);
609 if (ret) {
610 dev_err(arizona->dev,
611 "Failed to re-apply sleep patch: %d\n",
612 ret);
613 goto err;
614 }
615 break;
616 case WM1831:
617 case CS47L24:
618 ret = arizona_wait_for_boot(arizona);
619 if (ret != 0)
620 goto err;
621 break;
622 default:
623 ret = arizona_wait_for_boot(arizona);
624 if (ret != 0)
625 goto err;
626
627 if (arizona->external_dcvdd) {
628 ret = arizona_connect_dcvdd(arizona);
629 if (ret != 0)
630 goto err;
631 }
632 break;
633 }
634
635 ret = regcache_sync(arizona->regmap);
636 if (ret != 0) {
637 dev_err(arizona->dev, "Failed to restore register cache\n");
638 goto err;
639 }
640
641 return 0;
642
643 err:
644 regcache_cache_only(arizona->regmap, true);
645 regulator_disable(arizona->dcvdd);
646 return ret;
647 }
648
649 static int arizona_runtime_suspend(struct device *dev)
650 {
651 struct arizona *arizona = dev_get_drvdata(dev);
652 int jd_active = 0;
653 int ret;
654
655 dev_dbg(arizona->dev, "Entering AoD mode\n");
656
657 switch (arizona->type) {
658 case WM5110:
659 case WM8280:
660 jd_active = arizona_is_jack_det_active(arizona);
661 if (jd_active < 0)
662 return jd_active;
663
664 if (arizona->external_dcvdd) {
665 ret = arizona_isolate_dcvdd(arizona);
666 if (ret != 0)
667 return ret;
668 } else {
669 /*
670 * As this is only called for the internal regulator
671 * (where we know voltage ranges available) it is ok
672 * to request an exact range.
673 */
674 ret = regulator_set_voltage(arizona->dcvdd,
675 1175000, 1175000);
676 if (ret < 0) {
677 dev_err(arizona->dev,
678 "Failed to set suspend voltage: %d\n",
679 ret);
680 return ret;
681 }
682 }
683 break;
684 case WM5102:
685 jd_active = arizona_is_jack_det_active(arizona);
686 if (jd_active < 0)
687 return jd_active;
688
689 if (arizona->external_dcvdd) {
690 ret = arizona_isolate_dcvdd(arizona);
691 if (ret != 0)
692 return ret;
693 }
694
695 if (!jd_active) {
696 ret = regmap_write(arizona->regmap,
697 ARIZONA_WRITE_SEQUENCER_CTRL_3, 0x0);
698 if (ret) {
699 dev_err(arizona->dev,
700 "Failed to clear write sequencer: %d\n",
701 ret);
702 return ret;
703 }
704 }
705 break;
706 case WM1831:
707 case CS47L24:
708 break;
709 default:
710 jd_active = arizona_is_jack_det_active(arizona);
711 if (jd_active < 0)
712 return jd_active;
713
714 if (arizona->external_dcvdd) {
715 ret = arizona_isolate_dcvdd(arizona);
716 if (ret != 0)
717 return ret;
718 }
719 break;
720 }
721
722 regcache_cache_only(arizona->regmap, true);
723 regcache_mark_dirty(arizona->regmap);
724 regulator_disable(arizona->dcvdd);
725
726 /* Allow us to completely power down if no jack detection */
727 if (!jd_active) {
728 dev_dbg(arizona->dev, "Fully powering off\n");
729
730 arizona->has_fully_powered_off = true;
731
732 disable_irq_nosync(arizona->irq);
733 arizona_enable_reset(arizona);
734 regulator_bulk_disable(arizona->num_core_supplies,
735 arizona->core_supplies);
736 }
737
738 return 0;
739 }
740 #endif
741
742 #ifdef CONFIG_PM_SLEEP
743 static int arizona_suspend(struct device *dev)
744 {
745 struct arizona *arizona = dev_get_drvdata(dev);
746
747 dev_dbg(arizona->dev, "Suspend, disabling IRQ\n");
748 disable_irq(arizona->irq);
749
750 return 0;
751 }
752
753 static int arizona_suspend_noirq(struct device *dev)
754 {
755 struct arizona *arizona = dev_get_drvdata(dev);
756
757 dev_dbg(arizona->dev, "Late suspend, reenabling IRQ\n");
758 enable_irq(arizona->irq);
759
760 return 0;
761 }
762
763 static int arizona_resume_noirq(struct device *dev)
764 {
765 struct arizona *arizona = dev_get_drvdata(dev);
766
767 dev_dbg(arizona->dev, "Early resume, disabling IRQ\n");
768 disable_irq(arizona->irq);
769
770 return 0;
771 }
772
773 static int arizona_resume(struct device *dev)
774 {
775 struct arizona *arizona = dev_get_drvdata(dev);
776
777 dev_dbg(arizona->dev, "Resume, reenabling IRQ\n");
778 enable_irq(arizona->irq);
779
780 return 0;
781 }
782 #endif
783
784 const struct dev_pm_ops arizona_pm_ops = {
785 SET_RUNTIME_PM_OPS(arizona_runtime_suspend,
786 arizona_runtime_resume,
787 NULL)
788 SET_SYSTEM_SLEEP_PM_OPS(arizona_suspend, arizona_resume)
789 SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(arizona_suspend_noirq,
790 arizona_resume_noirq)
791 };
792 EXPORT_SYMBOL_GPL(arizona_pm_ops);
793
794 #ifdef CONFIG_OF
795 unsigned long arizona_of_get_type(struct device *dev)
796 {
797 const struct of_device_id *id = of_match_device(arizona_of_match, dev);
798
799 if (id)
800 return (unsigned long)id->data;
801 else
802 return 0;
803 }
804 EXPORT_SYMBOL_GPL(arizona_of_get_type);
805
806 static int arizona_of_get_core_pdata(struct arizona *arizona)
807 {
808 struct arizona_pdata *pdata = &arizona->pdata;
809 struct property *prop;
810 const __be32 *cur;
811 u32 val;
812 u32 pdm_val[ARIZONA_MAX_PDM_SPK];
813 int ret, i;
814 int count = 0;
815
816 pdata->reset = of_get_named_gpio(arizona->dev->of_node, "wlf,reset", 0);
817 if (pdata->reset == -EPROBE_DEFER) {
818 return pdata->reset;
819 } else if (pdata->reset < 0) {
820 dev_err(arizona->dev, "Reset GPIO missing/malformed: %d\n",
821 pdata->reset);
822
823 pdata->reset = 0;
824 }
825
826 ret = of_property_read_u32_array(arizona->dev->of_node,
827 "wlf,gpio-defaults",
828 pdata->gpio_defaults,
829 ARRAY_SIZE(pdata->gpio_defaults));
830 if (ret >= 0) {
831 /*
832 * All values are literal except out of range values
833 * which are chip default, translate into platform
834 * data which uses 0 as chip default and out of range
835 * as zero.
836 */
837 for (i = 0; i < ARRAY_SIZE(pdata->gpio_defaults); i++) {
838 if (pdata->gpio_defaults[i] > 0xffff)
839 pdata->gpio_defaults[i] = 0;
840 else if (pdata->gpio_defaults[i] == 0)
841 pdata->gpio_defaults[i] = 0x10000;
842 }
843 } else {
844 dev_err(arizona->dev, "Failed to parse GPIO defaults: %d\n",
845 ret);
846 }
847
848 of_property_for_each_u32(arizona->dev->of_node, "wlf,inmode", prop,
849 cur, val) {
850 if (count == ARRAY_SIZE(pdata->inmode))
851 break;
852
853 pdata->inmode[count] = val;
854 count++;
855 }
856
857 count = 0;
858 of_property_for_each_u32(arizona->dev->of_node, "wlf,dmic-ref", prop,
859 cur, val) {
860 if (count == ARRAY_SIZE(pdata->dmic_ref))
861 break;
862
863 pdata->dmic_ref[count] = val;
864 count++;
865 }
866
867 count = 0;
868 of_property_for_each_u32(arizona->dev->of_node, "wlf,out-mono", prop,
869 cur, val) {
870 if (count == ARRAY_SIZE(pdata->out_mono))
871 break;
872
873 pdata->out_mono[count] = !!val;
874 count++;
875 }
876
877 count = 0;
878 of_property_for_each_u32(arizona->dev->of_node,
879 "wlf,max-channels-clocked",
880 prop, cur, val) {
881 if (count == ARRAY_SIZE(pdata->max_channels_clocked))
882 break;
883
884 pdata->max_channels_clocked[count] = val;
885 count++;
886 }
887
888 ret = of_property_read_u32_array(arizona->dev->of_node,
889 "wlf,spk-fmt",
890 pdm_val,
891 ARRAY_SIZE(pdm_val));
892
893 if (ret >= 0)
894 for (count = 0; count < ARRAY_SIZE(pdata->spk_fmt); ++count)
895 pdata->spk_fmt[count] = pdm_val[count];
896
897 ret = of_property_read_u32_array(arizona->dev->of_node,
898 "wlf,spk-mute",
899 pdm_val,
900 ARRAY_SIZE(pdm_val));
901
902 if (ret >= 0)
903 for (count = 0; count < ARRAY_SIZE(pdata->spk_mute); ++count)
904 pdata->spk_mute[count] = pdm_val[count];
905
906 return 0;
907 }
908
909 const struct of_device_id arizona_of_match[] = {
910 { .compatible = "wlf,wm5102", .data = (void *)WM5102 },
911 { .compatible = "wlf,wm5110", .data = (void *)WM5110 },
912 { .compatible = "wlf,wm8280", .data = (void *)WM8280 },
913 { .compatible = "wlf,wm8997", .data = (void *)WM8997 },
914 { .compatible = "wlf,wm8998", .data = (void *)WM8998 },
915 { .compatible = "wlf,wm1814", .data = (void *)WM1814 },
916 { .compatible = "wlf,wm1831", .data = (void *)WM1831 },
917 { .compatible = "cirrus,cs47l24", .data = (void *)CS47L24 },
918 {},
919 };
920 EXPORT_SYMBOL_GPL(arizona_of_match);
921 #else
922 static inline int arizona_of_get_core_pdata(struct arizona *arizona)
923 {
924 return 0;
925 }
926 #endif
927
928 static const struct mfd_cell early_devs[] = {
929 { .name = "arizona-ldo1" },
930 };
931
932 static const char * const wm5102_supplies[] = {
933 "MICVDD",
934 "DBVDD2",
935 "DBVDD3",
936 "CPVDD",
937 "SPKVDDL",
938 "SPKVDDR",
939 };
940
941 static const struct mfd_cell wm5102_devs[] = {
942 { .name = "arizona-micsupp" },
943 { .name = "arizona-gpio" },
944 {
945 .name = "arizona-extcon",
946 .parent_supplies = wm5102_supplies,
947 .num_parent_supplies = 1, /* We only need MICVDD */
948 },
949 { .name = "arizona-haptics" },
950 { .name = "arizona-pwm" },
951 {
952 .name = "wm5102-codec",
953 .parent_supplies = wm5102_supplies,
954 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
955 },
956 };
957
958 static const struct mfd_cell wm5110_devs[] = {
959 { .name = "arizona-micsupp" },
960 { .name = "arizona-gpio" },
961 {
962 .name = "arizona-extcon",
963 .parent_supplies = wm5102_supplies,
964 .num_parent_supplies = 1, /* We only need MICVDD */
965 },
966 { .name = "arizona-haptics" },
967 { .name = "arizona-pwm" },
968 {
969 .name = "wm5110-codec",
970 .parent_supplies = wm5102_supplies,
971 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
972 },
973 };
974
975 static const char * const cs47l24_supplies[] = {
976 "MICVDD",
977 "CPVDD",
978 "SPKVDD",
979 };
980
981 static const struct mfd_cell cs47l24_devs[] = {
982 { .name = "arizona-gpio" },
983 { .name = "arizona-haptics" },
984 { .name = "arizona-pwm" },
985 {
986 .name = "cs47l24-codec",
987 .parent_supplies = cs47l24_supplies,
988 .num_parent_supplies = ARRAY_SIZE(cs47l24_supplies),
989 },
990 };
991
992 static const char * const wm8997_supplies[] = {
993 "MICVDD",
994 "DBVDD2",
995 "CPVDD",
996 "SPKVDD",
997 };
998
999 static const struct mfd_cell wm8997_devs[] = {
1000 { .name = "arizona-micsupp" },
1001 { .name = "arizona-gpio" },
1002 {
1003 .name = "arizona-extcon",
1004 .parent_supplies = wm8997_supplies,
1005 .num_parent_supplies = 1, /* We only need MICVDD */
1006 },
1007 { .name = "arizona-haptics" },
1008 { .name = "arizona-pwm" },
1009 {
1010 .name = "wm8997-codec",
1011 .parent_supplies = wm8997_supplies,
1012 .num_parent_supplies = ARRAY_SIZE(wm8997_supplies),
1013 },
1014 };
1015
1016 static const struct mfd_cell wm8998_devs[] = {
1017 { .name = "arizona-micsupp" },
1018 { .name = "arizona-gpio" },
1019 {
1020 .name = "arizona-extcon",
1021 .parent_supplies = wm5102_supplies,
1022 .num_parent_supplies = 1, /* We only need MICVDD */
1023 },
1024 { .name = "arizona-haptics" },
1025 { .name = "arizona-pwm" },
1026 {
1027 .name = "wm8998-codec",
1028 .parent_supplies = wm5102_supplies,
1029 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
1030 },
1031 };
1032
1033 int arizona_dev_init(struct arizona *arizona)
1034 {
1035 const char * const mclk_name[] = { "mclk1", "mclk2" };
1036 struct device *dev = arizona->dev;
1037 const char *type_name = NULL;
1038 unsigned int reg, val, mask;
1039 int (*apply_patch)(struct arizona *) = NULL;
1040 const struct mfd_cell *subdevs = NULL;
1041 int n_subdevs, ret, i;
1042
1043 dev_set_drvdata(arizona->dev, arizona);
1044 mutex_init(&arizona->clk_lock);
1045
1046 if (dev_get_platdata(arizona->dev)) {
1047 memcpy(&arizona->pdata, dev_get_platdata(arizona->dev),
1048 sizeof(arizona->pdata));
1049 } else {
1050 ret = arizona_of_get_core_pdata(arizona);
1051 if (ret < 0)
1052 return ret;
1053 }
1054
1055 BUILD_BUG_ON(ARRAY_SIZE(arizona->mclk) != ARRAY_SIZE(mclk_name));
1056 for (i = 0; i < ARRAY_SIZE(arizona->mclk); i++) {
1057 arizona->mclk[i] = devm_clk_get(arizona->dev, mclk_name[i]);
1058 if (IS_ERR(arizona->mclk[i])) {
1059 dev_info(arizona->dev, "Failed to get %s: %ld\n",
1060 mclk_name[i], PTR_ERR(arizona->mclk[i]));
1061 arizona->mclk[i] = NULL;
1062 }
1063 }
1064
1065 regcache_cache_only(arizona->regmap, true);
1066
1067 switch (arizona->type) {
1068 case WM5102:
1069 case WM5110:
1070 case WM8280:
1071 case WM8997:
1072 case WM8998:
1073 case WM1814:
1074 case WM1831:
1075 case CS47L24:
1076 for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)
1077 arizona->core_supplies[i].supply
1078 = wm5102_core_supplies[i];
1079 arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies);
1080 break;
1081 default:
1082 dev_err(arizona->dev, "Unknown device type %d\n",
1083 arizona->type);
1084 return -ENODEV;
1085 }
1086
1087 /* Mark DCVDD as external, LDO1 driver will clear if internal */
1088 arizona->external_dcvdd = true;
1089
1090 switch (arizona->type) {
1091 case WM1831:
1092 case CS47L24:
1093 break; /* No LDO1 regulator */
1094 default:
1095 ret = mfd_add_devices(arizona->dev, -1, early_devs,
1096 ARRAY_SIZE(early_devs), NULL, 0, NULL);
1097 if (ret != 0) {
1098 dev_err(dev, "Failed to add early children: %d\n", ret);
1099 return ret;
1100 }
1101 break;
1102 }
1103
1104 ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies,
1105 arizona->core_supplies);
1106 if (ret != 0) {
1107 dev_err(dev, "Failed to request core supplies: %d\n",
1108 ret);
1109 goto err_early;
1110 }
1111
1112 /**
1113 * Don't use devres here because the only device we have to get
1114 * against is the MFD device and DCVDD will likely be supplied by
1115 * one of its children. Meaning that the regulator will be
1116 * destroyed by the time devres calls regulator put.
1117 */
1118 arizona->dcvdd = regulator_get(arizona->dev, "DCVDD");
1119 if (IS_ERR(arizona->dcvdd)) {
1120 ret = PTR_ERR(arizona->dcvdd);
1121 dev_err(dev, "Failed to request DCVDD: %d\n", ret);
1122 goto err_early;
1123 }
1124
1125 if (arizona->pdata.reset) {
1126 /* Start out with /RESET low to put the chip into reset */
1127 ret = devm_gpio_request_one(arizona->dev, arizona->pdata.reset,
1128 GPIOF_DIR_OUT | GPIOF_INIT_LOW,
1129 "arizona /RESET");
1130 if (ret != 0) {
1131 dev_err(dev, "Failed to request /RESET: %d\n", ret);
1132 goto err_dcvdd;
1133 }
1134 }
1135
1136 ret = regulator_bulk_enable(arizona->num_core_supplies,
1137 arizona->core_supplies);
1138 if (ret != 0) {
1139 dev_err(dev, "Failed to enable core supplies: %d\n",
1140 ret);
1141 goto err_dcvdd;
1142 }
1143
1144 ret = regulator_enable(arizona->dcvdd);
1145 if (ret != 0) {
1146 dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
1147 goto err_enable;
1148 }
1149
1150 arizona_disable_reset(arizona);
1151
1152 regcache_cache_only(arizona->regmap, false);
1153
1154 /* Verify that this is a chip we know about */
1155 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
1156 if (ret != 0) {
1157 dev_err(dev, "Failed to read ID register: %d\n", ret);
1158 goto err_reset;
1159 }
1160
1161 switch (reg) {
1162 case 0x5102:
1163 case 0x5110:
1164 case 0x6349:
1165 case 0x6363:
1166 case 0x8997:
1167 break;
1168 default:
1169 dev_err(arizona->dev, "Unknown device ID: %x\n", reg);
1170 ret = -ENODEV;
1171 goto err_reset;
1172 }
1173
1174 /* If we have a /RESET GPIO we'll already be reset */
1175 if (!arizona->pdata.reset) {
1176 ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
1177 if (ret != 0) {
1178 dev_err(dev, "Failed to reset device: %d\n", ret);
1179 goto err_reset;
1180 }
1181
1182 usleep_range(1000, 5000);
1183 }
1184
1185 /* Ensure device startup is complete */
1186 switch (arizona->type) {
1187 case WM5102:
1188 ret = regmap_read(arizona->regmap,
1189 ARIZONA_WRITE_SEQUENCER_CTRL_3, &val);
1190 if (ret) {
1191 dev_err(dev,
1192 "Failed to check write sequencer state: %d\n",
1193 ret);
1194 } else if (val & 0x01) {
1195 ret = wm5102_clear_write_sequencer(arizona);
1196 if (ret)
1197 return ret;
1198 }
1199 break;
1200 default:
1201 break;
1202 }
1203
1204 ret = arizona_wait_for_boot(arizona);
1205 if (ret) {
1206 dev_err(arizona->dev, "Device failed initial boot: %d\n", ret);
1207 goto err_reset;
1208 }
1209
1210 /* Read the device ID information & do device specific stuff */
1211 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
1212 if (ret != 0) {
1213 dev_err(dev, "Failed to read ID register: %d\n", ret);
1214 goto err_reset;
1215 }
1216
1217 ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION,
1218 &arizona->rev);
1219 if (ret != 0) {
1220 dev_err(dev, "Failed to read revision register: %d\n", ret);
1221 goto err_reset;
1222 }
1223 arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;
1224
1225 switch (reg) {
1226 case 0x5102:
1227 if (IS_ENABLED(CONFIG_MFD_WM5102)) {
1228 type_name = "WM5102";
1229 if (arizona->type != WM5102) {
1230 dev_warn(arizona->dev,
1231 "WM5102 registered as %d\n",
1232 arizona->type);
1233 arizona->type = WM5102;
1234 }
1235
1236 apply_patch = wm5102_patch;
1237 arizona->rev &= 0x7;
1238 subdevs = wm5102_devs;
1239 n_subdevs = ARRAY_SIZE(wm5102_devs);
1240 }
1241 break;
1242 case 0x5110:
1243 if (IS_ENABLED(CONFIG_MFD_WM5110)) {
1244 switch (arizona->type) {
1245 case WM5110:
1246 type_name = "WM5110";
1247 break;
1248 case WM8280:
1249 type_name = "WM8280";
1250 break;
1251 default:
1252 type_name = "WM5110";
1253 dev_warn(arizona->dev,
1254 "WM5110 registered as %d\n",
1255 arizona->type);
1256 arizona->type = WM5110;
1257 break;
1258 }
1259
1260 apply_patch = wm5110_patch;
1261 subdevs = wm5110_devs;
1262 n_subdevs = ARRAY_SIZE(wm5110_devs);
1263 }
1264 break;
1265 case 0x6363:
1266 if (IS_ENABLED(CONFIG_MFD_CS47L24)) {
1267 switch (arizona->type) {
1268 case CS47L24:
1269 type_name = "CS47L24";
1270 break;
1271
1272 case WM1831:
1273 type_name = "WM1831";
1274 break;
1275
1276 default:
1277 dev_warn(arizona->dev,
1278 "CS47L24 registered as %d\n",
1279 arizona->type);
1280 arizona->type = CS47L24;
1281 break;
1282 }
1283
1284 apply_patch = cs47l24_patch;
1285 subdevs = cs47l24_devs;
1286 n_subdevs = ARRAY_SIZE(cs47l24_devs);
1287 }
1288 break;
1289 case 0x8997:
1290 if (IS_ENABLED(CONFIG_MFD_WM8997)) {
1291 type_name = "WM8997";
1292 if (arizona->type != WM8997) {
1293 dev_warn(arizona->dev,
1294 "WM8997 registered as %d\n",
1295 arizona->type);
1296 arizona->type = WM8997;
1297 }
1298
1299 apply_patch = wm8997_patch;
1300 subdevs = wm8997_devs;
1301 n_subdevs = ARRAY_SIZE(wm8997_devs);
1302 }
1303 break;
1304 case 0x6349:
1305 if (IS_ENABLED(CONFIG_MFD_WM8998)) {
1306 switch (arizona->type) {
1307 case WM8998:
1308 type_name = "WM8998";
1309 break;
1310
1311 case WM1814:
1312 type_name = "WM1814";
1313 break;
1314
1315 default:
1316 type_name = "WM8998";
1317 dev_warn(arizona->dev,
1318 "WM8998 registered as %d\n",
1319 arizona->type);
1320 arizona->type = WM8998;
1321 }
1322
1323 apply_patch = wm8998_patch;
1324 subdevs = wm8998_devs;
1325 n_subdevs = ARRAY_SIZE(wm8998_devs);
1326 }
1327 break;
1328 default:
1329 dev_err(arizona->dev, "Unknown device ID %x\n", reg);
1330 ret = -ENODEV;
1331 goto err_reset;
1332 }
1333
1334 if (!subdevs) {
1335 dev_err(arizona->dev,
1336 "No kernel support for device ID %x\n", reg);
1337 ret = -ENODEV;
1338 goto err_reset;
1339 }
1340
1341 dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');
1342
1343 if (apply_patch) {
1344 ret = apply_patch(arizona);
1345 if (ret != 0) {
1346 dev_err(arizona->dev, "Failed to apply patch: %d\n",
1347 ret);
1348 goto err_reset;
1349 }
1350
1351 switch (arizona->type) {
1352 case WM5102:
1353 ret = wm5102_apply_hardware_patch(arizona);
1354 if (ret) {
1355 dev_err(arizona->dev,
1356 "Failed to apply hardware patch: %d\n",
1357 ret);
1358 goto err_reset;
1359 }
1360 break;
1361 case WM5110:
1362 case WM8280:
1363 ret = wm5110_apply_sleep_patch(arizona);
1364 if (ret) {
1365 dev_err(arizona->dev,
1366 "Failed to apply sleep patch: %d\n",
1367 ret);
1368 goto err_reset;
1369 }
1370 break;
1371 default:
1372 break;
1373 }
1374 }
1375
1376 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
1377 if (!arizona->pdata.gpio_defaults[i])
1378 continue;
1379
1380 regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i,
1381 arizona->pdata.gpio_defaults[i]);
1382 }
1383
1384 /* Chip default */
1385 if (!arizona->pdata.clk32k_src)
1386 arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2;
1387
1388 switch (arizona->pdata.clk32k_src) {
1389 case ARIZONA_32KZ_MCLK1:
1390 case ARIZONA_32KZ_MCLK2:
1391 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
1392 ARIZONA_CLK_32K_SRC_MASK,
1393 arizona->pdata.clk32k_src - 1);
1394 arizona_clk32k_enable(arizona);
1395 break;
1396 case ARIZONA_32KZ_NONE:
1397 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
1398 ARIZONA_CLK_32K_SRC_MASK, 2);
1399 break;
1400 default:
1401 dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n",
1402 arizona->pdata.clk32k_src);
1403 ret = -EINVAL;
1404 goto err_reset;
1405 }
1406
1407 for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) {
1408 if (!arizona->pdata.micbias[i].mV &&
1409 !arizona->pdata.micbias[i].bypass)
1410 continue;
1411
1412 /* Apply default for bypass mode */
1413 if (!arizona->pdata.micbias[i].mV)
1414 arizona->pdata.micbias[i].mV = 2800;
1415
1416 val = (arizona->pdata.micbias[i].mV - 1500) / 100;
1417
1418 val <<= ARIZONA_MICB1_LVL_SHIFT;
1419
1420 if (arizona->pdata.micbias[i].ext_cap)
1421 val |= ARIZONA_MICB1_EXT_CAP;
1422
1423 if (arizona->pdata.micbias[i].discharge)
1424 val |= ARIZONA_MICB1_DISCH;
1425
1426 if (arizona->pdata.micbias[i].soft_start)
1427 val |= ARIZONA_MICB1_RATE;
1428
1429 if (arizona->pdata.micbias[i].bypass)
1430 val |= ARIZONA_MICB1_BYPASS;
1431
1432 regmap_update_bits(arizona->regmap,
1433 ARIZONA_MIC_BIAS_CTRL_1 + i,
1434 ARIZONA_MICB1_LVL_MASK |
1435 ARIZONA_MICB1_EXT_CAP |
1436 ARIZONA_MICB1_DISCH |
1437 ARIZONA_MICB1_BYPASS |
1438 ARIZONA_MICB1_RATE, val);
1439 }
1440
1441 for (i = 0; i < ARIZONA_MAX_INPUT; i++) {
1442 /* Default for both is 0 so noop with defaults */
1443 val = arizona->pdata.dmic_ref[i]
1444 << ARIZONA_IN1_DMIC_SUP_SHIFT;
1445 if (arizona->pdata.inmode[i] & ARIZONA_INMODE_DMIC)
1446 val |= 1 << ARIZONA_IN1_MODE_SHIFT;
1447
1448 switch (arizona->type) {
1449 case WM8998:
1450 case WM1814:
1451 regmap_update_bits(arizona->regmap,
1452 ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 8),
1453 ARIZONA_IN1L_SRC_SE_MASK,
1454 (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1455 << ARIZONA_IN1L_SRC_SE_SHIFT);
1456
1457 regmap_update_bits(arizona->regmap,
1458 ARIZONA_ADC_DIGITAL_VOLUME_1R + (i * 8),
1459 ARIZONA_IN1R_SRC_SE_MASK,
1460 (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1461 << ARIZONA_IN1R_SRC_SE_SHIFT);
1462
1463 mask = ARIZONA_IN1_DMIC_SUP_MASK |
1464 ARIZONA_IN1_MODE_MASK;
1465 break;
1466 default:
1467 if (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1468 val |= 1 << ARIZONA_IN1_SINGLE_ENDED_SHIFT;
1469
1470 mask = ARIZONA_IN1_DMIC_SUP_MASK |
1471 ARIZONA_IN1_MODE_MASK |
1472 ARIZONA_IN1_SINGLE_ENDED_MASK;
1473 break;
1474 }
1475
1476 regmap_update_bits(arizona->regmap,
1477 ARIZONA_IN1L_CONTROL + (i * 8),
1478 mask, val);
1479 }
1480
1481 for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) {
1482 /* Default is 0 so noop with defaults */
1483 if (arizona->pdata.out_mono[i])
1484 val = ARIZONA_OUT1_MONO;
1485 else
1486 val = 0;
1487
1488 regmap_update_bits(arizona->regmap,
1489 ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8),
1490 ARIZONA_OUT1_MONO, val);
1491 }
1492
1493 for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) {
1494 if (arizona->pdata.spk_mute[i])
1495 regmap_update_bits(arizona->regmap,
1496 ARIZONA_PDM_SPK1_CTRL_1 + (i * 2),
1497 ARIZONA_SPK1_MUTE_ENDIAN_MASK |
1498 ARIZONA_SPK1_MUTE_SEQ1_MASK,
1499 arizona->pdata.spk_mute[i]);
1500
1501 if (arizona->pdata.spk_fmt[i])
1502 regmap_update_bits(arizona->regmap,
1503 ARIZONA_PDM_SPK1_CTRL_2 + (i * 2),
1504 ARIZONA_SPK1_FMT_MASK,
1505 arizona->pdata.spk_fmt[i]);
1506 }
1507
1508 pm_runtime_set_active(arizona->dev);
1509 pm_runtime_enable(arizona->dev);
1510
1511 /* Set up for interrupts */
1512 ret = arizona_irq_init(arizona);
1513 if (ret != 0)
1514 goto err_pm;
1515
1516 pm_runtime_set_autosuspend_delay(arizona->dev, 100);
1517 pm_runtime_use_autosuspend(arizona->dev);
1518
1519 arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error",
1520 arizona_clkgen_err, arizona);
1521 arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked",
1522 arizona_overclocked, arizona);
1523 arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked",
1524 arizona_underclocked, arizona);
1525
1526 ret = mfd_add_devices(arizona->dev, PLATFORM_DEVID_NONE,
1527 subdevs, n_subdevs, NULL, 0, NULL);
1528
1529 if (ret) {
1530 dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
1531 goto err_irq;
1532 }
1533
1534 return 0;
1535
1536 err_irq:
1537 arizona_irq_exit(arizona);
1538 err_pm:
1539 pm_runtime_disable(arizona->dev);
1540 err_reset:
1541 arizona_enable_reset(arizona);
1542 regulator_disable(arizona->dcvdd);
1543 err_enable:
1544 regulator_bulk_disable(arizona->num_core_supplies,
1545 arizona->core_supplies);
1546 err_dcvdd:
1547 regulator_put(arizona->dcvdd);
1548 err_early:
1549 mfd_remove_devices(dev);
1550 return ret;
1551 }
1552 EXPORT_SYMBOL_GPL(arizona_dev_init);
1553
1554 int arizona_dev_exit(struct arizona *arizona)
1555 {
1556 disable_irq(arizona->irq);
1557 pm_runtime_disable(arizona->dev);
1558
1559 regulator_disable(arizona->dcvdd);
1560 regulator_put(arizona->dcvdd);
1561
1562 mfd_remove_devices(arizona->dev);
1563 arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
1564 arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
1565 arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona);
1566 arizona_irq_exit(arizona);
1567 arizona_enable_reset(arizona);
1568
1569 regulator_bulk_disable(arizona->num_core_supplies,
1570 arizona->core_supplies);
1571 return 0;
1572 }
1573 EXPORT_SYMBOL_GPL(arizona_dev_exit);
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