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libceph: move r_reply_op_{len,result} into struct ceph_osd_req_op
[linux-2.6-block.git] / drivers / mfd / arizona-core.c
CommitLineData
3cc72986
MB		 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/delay.h>
59db9691 14#include <linux/err.h>
3cc72986
MB		 15#include <linux/gpio.h>
16#include <linux/interrupt.h>
17#include <linux/mfd/core.h>
18#include <linux/module.h>
d781009c
MB		 19#include <linux/of.h>
20#include <linux/of_device.h>
21#include <linux/of_gpio.h>
3cc72986
MB		 22#include <linux/pm_runtime.h>
23#include <linux/regmap.h>
24#include <linux/regulator/consumer.h>
5927467d 25#include <linux/regulator/machine.h>
3cc72986 26#include <linux/slab.h>
ae05ea36 27#include <linux/platform_device.h>
3cc72986
MB		 28
29#include <linux/mfd/arizona/core.h>
30#include <linux/mfd/arizona/registers.h>
31
32#include "arizona.h"
33
3762aede 34static const char * const wm5102_core_supplies[] = {
3cc72986
MB		 35 "AVDD",
36 "DBVDD1",
3cc72986
MB		 37};
38
39int arizona_clk32k_enable(struct arizona *arizona)
40{
41 int ret = 0;
42
43 mutex_lock(&arizona->clk_lock);
44
45 arizona->clk32k_ref++;
46
247fa192
MB		 47 if (arizona->clk32k_ref == 1) {
48 switch (arizona->pdata.clk32k_src) {
49 case ARIZONA_32KZ_MCLK1:
50 ret = pm_runtime_get_sync(arizona->dev);
51 if (ret != 0)
52 goto out;
53 break;
54 }
55
3cc72986
MB		 56 ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
57 ARIZONA_CLK_32K_ENA,
58 ARIZONA_CLK_32K_ENA);
247fa192 59 }
3cc72986 60
247fa192 61out:
3cc72986
MB		 62 if (ret != 0)
63 arizona->clk32k_ref--;
64
65 mutex_unlock(&arizona->clk_lock);
66
67 return ret;
68}
69EXPORT_SYMBOL_GPL(arizona_clk32k_enable);
70
71int arizona_clk32k_disable(struct arizona *arizona)
72{
3cc72986
MB		 73 mutex_lock(&arizona->clk_lock);
74
75 BUG_ON(arizona->clk32k_ref <= 0);
76
77 arizona->clk32k_ref--;
78
247fa192 79 if (arizona->clk32k_ref == 0) {
3cc72986
MB		 80 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
81 ARIZONA_CLK_32K_ENA, 0);
82
247fa192
MB		 83 switch (arizona->pdata.clk32k_src) {
84 case ARIZONA_32KZ_MCLK1:
85 pm_runtime_put_sync(arizona->dev);
86 break;
87 }
88 }
89
3cc72986
MB		 90 mutex_unlock(&arizona->clk_lock);
91
a260fba1 92 return 0;
3cc72986
MB		 93}
94EXPORT_SYMBOL_GPL(arizona_clk32k_disable);
95
96static irqreturn_t arizona_clkgen_err(int irq, void *data)
97{
98 struct arizona *arizona = data;
99
100 dev_err(arizona->dev, "CLKGEN error\n");
101
102 return IRQ_HANDLED;
103}
104
105static irqreturn_t arizona_underclocked(int irq, void *data)
106{
107 struct arizona *arizona = data;
108 unsigned int val;
109 int ret;
110
111 ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8,
112 &val);
113 if (ret != 0) {
114 dev_err(arizona->dev, "Failed to read underclock status: %d\n",
115 ret);
116 return IRQ_NONE;
117 }
118
3cc72986
MB		 119 if (val & ARIZONA_AIF3_UNDERCLOCKED_STS)
120 dev_err(arizona->dev, "AIF3 underclocked\n");
121 if (val & ARIZONA_AIF2_UNDERCLOCKED_STS)
3ebef34d
CK		 122 dev_err(arizona->dev, "AIF2 underclocked\n");
123 if (val & ARIZONA_AIF1_UNDERCLOCKED_STS)
3cc72986 124 dev_err(arizona->dev, "AIF1 underclocked\n");
6e440d27
CK		 125 if (val & ARIZONA_ISRC3_UNDERCLOCKED_STS)
126 dev_err(arizona->dev, "ISRC3 underclocked\n");
3cc72986
MB		 127 if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS)
128 dev_err(arizona->dev, "ISRC2 underclocked\n");
129 if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS)
130 dev_err(arizona->dev, "ISRC1 underclocked\n");
131 if (val & ARIZONA_FX_UNDERCLOCKED_STS)
132 dev_err(arizona->dev, "FX underclocked\n");
133 if (val & ARIZONA_ASRC_UNDERCLOCKED_STS)
134 dev_err(arizona->dev, "ASRC underclocked\n");
135 if (val & ARIZONA_DAC_UNDERCLOCKED_STS)
136 dev_err(arizona->dev, "DAC underclocked\n");
137 if (val & ARIZONA_ADC_UNDERCLOCKED_STS)
138 dev_err(arizona->dev, "ADC underclocked\n");
139 if (val & ARIZONA_MIXER_UNDERCLOCKED_STS)
648a9880 140 dev_err(arizona->dev, "Mixer dropped sample\n");
3cc72986
MB		 141
142 return IRQ_HANDLED;
143}
144
145static irqreturn_t arizona_overclocked(int irq, void *data)
146{
147 struct arizona *arizona = data;
6887b042 148 unsigned int val[3];
3cc72986 149 int ret;
3762aede 150
3cc72986 151 ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6,
6887b042 152 &val[0], 3);
3cc72986
MB		 153 if (ret != 0) {
154 dev_err(arizona->dev, "Failed to read overclock status: %d\n",
155 ret);
156 return IRQ_NONE;
157 }
158
6887b042
RF		 159 switch (arizona->type) {
160 case WM8998:
161 case WM1814:
162 /* Some bits are shifted on WM8998,
163 * rearrange to match the standard bit layout
164 */
165 val[0] = ((val[0] & 0x60e0) >> 1) |
166 ((val[0] & 0x1e00) >> 2) |
167 (val[0] & 0x000f);
168 break;
169 default:
170 break;
171 }
172
3cc72986
MB		 173 if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS)
174 dev_err(arizona->dev, "PWM overclocked\n");
175 if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS)
176 dev_err(arizona->dev, "FX core overclocked\n");
177 if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS)
178 dev_err(arizona->dev, "DAC SYS overclocked\n");
179 if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS)
180 dev_err(arizona->dev, "DAC WARP overclocked\n");
181 if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS)
182 dev_err(arizona->dev, "ADC overclocked\n");
183 if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS)
184 dev_err(arizona->dev, "Mixer overclocked\n");
185 if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS)
186 dev_err(arizona->dev, "AIF3 overclocked\n");
187 if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS)
188 dev_err(arizona->dev, "AIF2 overclocked\n");
189 if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS)
190 dev_err(arizona->dev, "AIF1 overclocked\n");
191 if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS)
192 dev_err(arizona->dev, "Pad control overclocked\n");
193
194 if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS)
195 dev_err(arizona->dev, "Slimbus subsystem overclocked\n");
196 if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS)
197 dev_err(arizona->dev, "Slimbus async overclocked\n");
198 if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS)
199 dev_err(arizona->dev, "Slimbus sync overclocked\n");
200 if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS)
201 dev_err(arizona->dev, "ASRC async system overclocked\n");
202 if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS)
203 dev_err(arizona->dev, "ASRC async WARP overclocked\n");
204 if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS)
205 dev_err(arizona->dev, "ASRC sync system overclocked\n");
206 if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS)
207 dev_err(arizona->dev, "ASRC sync WARP overclocked\n");
208 if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS)
209 dev_err(arizona->dev, "DSP1 overclocked\n");
6e440d27
CK		 210 if (val[1] & ARIZONA_ISRC3_OVERCLOCKED_STS)
211 dev_err(arizona->dev, "ISRC3 overclocked\n");
3cc72986
MB		 212 if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS)
213 dev_err(arizona->dev, "ISRC2 overclocked\n");
214 if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS)
215 dev_err(arizona->dev, "ISRC1 overclocked\n");
216
6887b042
RF		 217 if (val[2] & ARIZONA_SPDIF_OVERCLOCKED_STS)
218 dev_err(arizona->dev, "SPDIF overclocked\n");
219
3cc72986
MB		 220 return IRQ_HANDLED;
221}
222
9d53dfdc
CK		 223static int arizona_poll_reg(struct arizona *arizona,
224 int timeout, unsigned int reg,
225 unsigned int mask, unsigned int target)
3cc72986 226{
9d53dfdc 227 unsigned int val = 0;
3cc72986
MB		 228 int ret, i;
229
9d53dfdc
CK		 230 for (i = 0; i < timeout; i++) {
231 ret = regmap_read(arizona->regmap, reg, &val);
3cc72986 232 if (ret != 0) {
9d53dfdc
CK		 233 dev_err(arizona->dev, "Failed to read reg %u: %d\n",
234 reg, ret);
cfe775ce 235 continue;
3cc72986
MB		 236 }
237
9d53dfdc
CK		 238 if ((val & mask) == target)
239 return 0;
240
b79a980f 241 usleep_range(1000, 5000);
3cc72986
MB		 242 }
243
9d53dfdc
CK		 244 dev_err(arizona->dev, "Polling reg %u timed out: %x\n", reg, val);
245 return -ETIMEDOUT;
246}
247
248static int arizona_wait_for_boot(struct arizona *arizona)
249{
250 int ret;
251
252 /*
253 * We can't use an interrupt as we need to runtime resume to do so,
254 * we won't race with the interrupt handler as it'll be blocked on
255 * runtime resume.
256 */
257 ret = arizona_poll_reg(arizona, 5, ARIZONA_INTERRUPT_RAW_STATUS_5,
258 ARIZONA_BOOT_DONE_STS, ARIZONA_BOOT_DONE_STS);
259
260 if (!ret)
3cc72986
MB		 261 regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5,
262 ARIZONA_BOOT_DONE_STS);
3cc72986
MB		 263
264 pm_runtime_mark_last_busy(arizona->dev);
265
9d53dfdc 266 return ret;
3cc72986
MB		 267}
268
2229875d
CK		 269static inline void arizona_enable_reset(struct arizona *arizona)
270{
271 if (arizona->pdata.reset)
272 gpio_set_value_cansleep(arizona->pdata.reset, 0);
273}
274
275static void arizona_disable_reset(struct arizona *arizona)
276{
277 if (arizona->pdata.reset) {
121c075c
CK		 278 switch (arizona->type) {
279 case WM5110:
280 case WM8280:
281 /* Meet requirements for minimum reset duration */
b79a980f 282 usleep_range(5000, 10000);
121c075c
CK		 283 break;
284 default:
285 break;
286 }
287
2229875d 288 gpio_set_value_cansleep(arizona->pdata.reset, 1);
b79a980f 289 usleep_range(1000, 5000);
2229875d
CK		 290 }
291}
292
3850e3ee
CK		 293struct arizona_sysclk_state {
294 unsigned int fll;
295 unsigned int sysclk;
296};
297
298static int arizona_enable_freerun_sysclk(struct arizona *arizona,
299 struct arizona_sysclk_state *state)
e80436bb 300{
e80436bb
CK		 301 int ret, err;
302
e80436bb 303 /* Cache existing FLL and SYSCLK settings */
3850e3ee 304 ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &state->fll);
0be068a0 305 if (ret) {
e80436bb
CK		 306 dev_err(arizona->dev, "Failed to cache FLL settings: %d\n",
307 ret);
308 return ret;
309 }
3850e3ee
CK		 310 ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
311 &state->sysclk);
0be068a0 312 if (ret) {
e80436bb
CK		 313 dev_err(arizona->dev, "Failed to cache SYSCLK settings: %d\n",
314 ret);
315 return ret;
316 }
317
318 /* Start up SYSCLK using the FLL in free running mode */
319 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1,
320 ARIZONA_FLL1_ENA | ARIZONA_FLL1_FREERUN);
0be068a0 321 if (ret) {
e80436bb
CK		 322 dev_err(arizona->dev,
323 "Failed to start FLL in freerunning mode: %d\n",
324 ret);
325 return ret;
326 }
327 ret = arizona_poll_reg(arizona, 25, ARIZONA_INTERRUPT_RAW_STATUS_5,
328 ARIZONA_FLL1_CLOCK_OK_STS,
329 ARIZONA_FLL1_CLOCK_OK_STS);
0be068a0 330 if (ret) {
e80436bb
CK		 331 ret = -ETIMEDOUT;
332 goto err_fll;
333 }
334
335 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, 0x0144);
0be068a0 336 if (ret) {
e80436bb
CK		 337 dev_err(arizona->dev, "Failed to start SYSCLK: %d\n", ret);
338 goto err_fll;
339 }
340
3850e3ee
CK		 341 return 0;
342
343err_fll:
344 err = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
345 if (err)
346 dev_err(arizona->dev,
347 "Failed to re-apply old FLL settings: %d\n", err);
348
349 return ret;
350}
351
352static int arizona_disable_freerun_sysclk(struct arizona *arizona,
353 struct arizona_sysclk_state *state)
354{
355 int ret;
356
357 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
358 state->sysclk);
359 if (ret) {
360 dev_err(arizona->dev,
361 "Failed to re-apply old SYSCLK settings: %d\n", ret);
362 return ret;
363 }
364
365 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
366 if (ret) {
367 dev_err(arizona->dev,
368 "Failed to re-apply old FLL settings: %d\n", ret);
369 return ret;
370 }
371
372 return 0;
373}
374
375static int wm5102_apply_hardware_patch(struct arizona *arizona)
376{
377 struct arizona_sysclk_state state;
378 int err, ret;
379
380 ret = arizona_enable_freerun_sysclk(arizona, &state);
381 if (ret)
382 return ret;
383
e80436bb
CK		 384 /* Start the write sequencer and wait for it to finish */
385 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
0be068a0
CK		 386 ARIZONA_WSEQ_ENA | ARIZONA_WSEQ_START | 160);
387 if (ret) {
e80436bb
CK		 388 dev_err(arizona->dev, "Failed to start write sequencer: %d\n",
389 ret);
3850e3ee 390 goto err;
e80436bb 391 }
3850e3ee 392
e80436bb
CK		 393 ret = arizona_poll_reg(arizona, 5, ARIZONA_WRITE_SEQUENCER_CTRL_1,
394 ARIZONA_WSEQ_BUSY, 0);
0be068a0 395 if (ret) {
e80436bb 396 regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
0be068a0 397 ARIZONA_WSEQ_ABORT);
e80436bb
CK		 398 ret = -ETIMEDOUT;
399 }
400
3850e3ee
CK		 401err:
402 err = arizona_disable_freerun_sysclk(arizona, &state);
e80436bb 403
0be068a0 404 return ret ?: err;
e80436bb
CK		 405}
406
882bc468
CK		 407/*
408 * Register patch to some of the CODECs internal write sequences
409 * to ensure a clean exit from the low power sleep state.
410 */
8019ff6c 411static const struct reg_sequence wm5110_sleep_patch[] = {
882bc468
CK		 412 { 0x337A, 0xC100 },
413 { 0x337B, 0x0041 },
414 { 0x3300, 0xA210 },
415 { 0x3301, 0x050C },
416};
417
418static int wm5110_apply_sleep_patch(struct arizona *arizona)
419{
420 struct arizona_sysclk_state state;
421 int err, ret;
422
423 ret = arizona_enable_freerun_sysclk(arizona, &state);
424 if (ret)
425 return ret;
426
427 ret = regmap_multi_reg_write_bypassed(arizona->regmap,
428 wm5110_sleep_patch,
429 ARRAY_SIZE(wm5110_sleep_patch));
430
431 err = arizona_disable_freerun_sysclk(arizona, &state);
432
433 return ret ?: err;
434}
435
1c1c6bba
CK		 436static int wm5102_clear_write_sequencer(struct arizona *arizona)
437{
438 int ret;
439
440 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_3,
441 0x0);
442 if (ret) {
443 dev_err(arizona->dev,
444 "Failed to clear write sequencer state: %d\n", ret);
445 return ret;
446 }
447
448 arizona_enable_reset(arizona);
449 regulator_disable(arizona->dcvdd);
450
451 msleep(20);
452
453 ret = regulator_enable(arizona->dcvdd);
454 if (ret) {
455 dev_err(arizona->dev, "Failed to re-enable DCVDD: %d\n", ret);
456 return ret;
457 }
458 arizona_disable_reset(arizona);
459
460 return 0;
461}
462
48bb9fe4 463#ifdef CONFIG_PM
e7811147
RF		 464static int arizona_isolate_dcvdd(struct arizona *arizona)
465{
466 int ret;
467
468 ret = regmap_update_bits(arizona->regmap,
469 ARIZONA_ISOLATION_CONTROL,
470 ARIZONA_ISOLATE_DCVDD1,
471 ARIZONA_ISOLATE_DCVDD1);
472 if (ret != 0)
473 dev_err(arizona->dev, "Failed to isolate DCVDD: %d\n", ret);
474
475 return ret;
476}
477
478static int arizona_connect_dcvdd(struct arizona *arizona)
479{
480 int ret;
481
482 ret = regmap_update_bits(arizona->regmap,
483 ARIZONA_ISOLATION_CONTROL,
484 ARIZONA_ISOLATE_DCVDD1, 0);
485 if (ret != 0)
486 dev_err(arizona->dev, "Failed to connect DCVDD: %d\n", ret);
487
488 return ret;
489}
490
e3424273
RF		 491static int arizona_is_jack_det_active(struct arizona *arizona)
492{
493 unsigned int val;
494 int ret;
495
496 ret = regmap_read(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, &val);
497 if (ret) {
498 dev_err(arizona->dev,
499 "Failed to check jack det status: %d\n", ret);
500 return ret;
501 } else if (val & ARIZONA_JD1_ENA) {
502 return 1;
503 } else {
504 return 0;
505 }
506}
507
3cc72986
MB		 508static int arizona_runtime_resume(struct device *dev)
509{
510 struct arizona *arizona = dev_get_drvdata(dev);
511 int ret;
512
508c8299
MB		 513 dev_dbg(arizona->dev, "Leaving AoD mode\n");
514
e6cb7341
CK		 515 if (arizona->has_fully_powered_off) {
516 dev_dbg(arizona->dev, "Re-enabling core supplies\n");
517
518 ret = regulator_bulk_enable(arizona->num_core_supplies,
519 arizona->core_supplies);
520 if (ret) {
521 dev_err(dev, "Failed to enable core supplies: %d\n",
522 ret);
523 return ret;
524 }
525 }
526
59db9691
MB		 527 ret = regulator_enable(arizona->dcvdd);
528 if (ret != 0) {
529 dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
e6cb7341
CK		 530 if (arizona->has_fully_powered_off)
531 regulator_bulk_disable(arizona->num_core_supplies,
532 arizona->core_supplies);
59db9691
MB		 533 return ret;
534 }
3cc72986 535
e6cb7341
CK		 536 if (arizona->has_fully_powered_off) {
537 arizona_disable_reset(arizona);
538 enable_irq(arizona->irq);
539 arizona->has_fully_powered_off = false;
540 }
541
3cc72986
MB		 542 regcache_cache_only(arizona->regmap, false);
543
4c9bb8bc
CK		 544 switch (arizona->type) {
545 case WM5102:
5927467d 546 if (arizona->external_dcvdd) {
e7811147
RF		 547 ret = arizona_connect_dcvdd(arizona);
548 if (ret != 0)
5927467d 549 goto err;
5927467d
MB		 550 }
551
4c9bb8bc
CK		 552 ret = wm5102_patch(arizona);
553 if (ret != 0) {
554 dev_err(arizona->dev, "Failed to apply patch: %d\n",
555 ret);
556 goto err;
557 }
e80436bb 558
0be068a0
CK		 559 ret = wm5102_apply_hardware_patch(arizona);
560 if (ret) {
e80436bb
CK		 561 dev_err(arizona->dev,
562 "Failed to apply hardware patch: %d\n",
563 ret);
564 goto err;
565 }
566 break;
96129a0e
CK		 567 case WM5110:
568 case WM8280:
569 ret = arizona_wait_for_boot(arizona);
570 if (ret)
571 goto err;
572
573 if (arizona->external_dcvdd) {
e7811147
RF		 574 ret = arizona_connect_dcvdd(arizona);
575 if (ret != 0)
96129a0e 576 goto err;
96129a0e
CK		 577 } else {
578 /*
579 * As this is only called for the internal regulator
580 * (where we know voltage ranges available) it is ok
581 * to request an exact range.
582 */
583 ret = regulator_set_voltage(arizona->dcvdd,
584 1200000, 1200000);
585 if (ret < 0) {
586 dev_err(arizona->dev,
587 "Failed to set resume voltage: %d\n",
588 ret);
589 goto err;
590 }
591 }
e6cb7341
CK		 592
593 ret = wm5110_apply_sleep_patch(arizona);
594 if (ret) {
595 dev_err(arizona->dev,
596 "Failed to re-apply sleep patch: %d\n",
597 ret);
598 goto err;
599 }
96129a0e 600 break;
ea1f3339
RF		 601 case WM1831:
602 case CS47L24:
603 ret = arizona_wait_for_boot(arizona);
604 if (ret != 0)
605 goto err;
606 break;
e80436bb 607 default:
12bb68ed 608 ret = arizona_wait_for_boot(arizona);
3762aede 609 if (ret != 0)
12bb68ed 610 goto err;
12bb68ed 611
5927467d 612 if (arizona->external_dcvdd) {
e7811147
RF		 613 ret = arizona_connect_dcvdd(arizona);
614 if (ret != 0)
5927467d 615 goto err;
5927467d 616 }
e80436bb 617 break;
4c9bb8bc
CK		 618 }
619
9270bdf5
MB		 620 ret = regcache_sync(arizona->regmap);
621 if (ret != 0) {
622 dev_err(arizona->dev, "Failed to restore register cache\n");
4816bd1c 623 goto err;
9270bdf5 624 }
3cc72986
MB		 625
626 return 0;
4816bd1c
MB		 627
628err:
629 regcache_cache_only(arizona->regmap, true);
630 regulator_disable(arizona->dcvdd);
631 return ret;
3cc72986
MB		 632}
633
634static int arizona_runtime_suspend(struct device *dev)
635{
636 struct arizona *arizona = dev_get_drvdata(dev);
a05950a4 637 int jd_active = 0;
5927467d 638 int ret;
3cc72986 639
508c8299
MB		 640 dev_dbg(arizona->dev, "Entering AoD mode\n");
641
e6cb7341
CK		 642 switch (arizona->type) {
643 case WM5110:
644 case WM8280:
e3424273
RF		 645 jd_active = arizona_is_jack_det_active(arizona);
646 if (jd_active < 0)
647 return jd_active;
648
e7811147
RF		 649 if (arizona->external_dcvdd) {
650 ret = arizona_isolate_dcvdd(arizona);
651 if (ret != 0)
652 return ret;
653 } else {
654 /*
655 * As this is only called for the internal regulator
656 * (where we know voltage ranges available) it is ok
657 * to request an exact range.
658 */
659 ret = regulator_set_voltage(arizona->dcvdd,
660 1175000, 1175000);
661 if (ret < 0) {
662 dev_err(arizona->dev,
663 "Failed to set suspend voltage: %d\n",
664 ret);
665 return ret;
666 }
e6cb7341
CK		 667 }
668 break;
669 case WM5102:
e3424273
RF		 670 jd_active = arizona_is_jack_det_active(arizona);
671 if (jd_active < 0)
672 return jd_active;
673
e7811147
RF		 674 if (arizona->external_dcvdd) {
675 ret = arizona_isolate_dcvdd(arizona);
676 if (ret != 0)
677 return ret;
678 }
679
e3424273 680 if (!jd_active) {
e6cb7341
CK		 681 ret = regmap_write(arizona->regmap,
682 ARIZONA_WRITE_SEQUENCER_CTRL_3, 0x0);
683 if (ret) {
96129a0e 684 dev_err(arizona->dev,
e6cb7341 685 "Failed to clear write sequencer: %d\n",
96129a0e
CK		 686 ret);
687 return ret;
688 }
96129a0e 689 }
e6cb7341 690 break;
ea1f3339
RF		 691 case WM1831:
692 case CS47L24:
693 break;
e6cb7341 694 default:
e3424273
RF		 695 jd_active = arizona_is_jack_det_active(arizona);
696 if (jd_active < 0)
697 return jd_active;
698
e7811147
RF		 699 if (arizona->external_dcvdd) {
700 ret = arizona_isolate_dcvdd(arizona);
701 if (ret != 0)
702 return ret;
703 }
e6cb7341 704 break;
5927467d
MB		 705 }
706
59db9691
MB		 707 regcache_cache_only(arizona->regmap, true);
708 regcache_mark_dirty(arizona->regmap);
e293e847 709 regulator_disable(arizona->dcvdd);
3cc72986 710
e6cb7341 711 /* Allow us to completely power down if no jack detection */
e3424273 712 if (!jd_active) {
e6cb7341
CK		 713 dev_dbg(arizona->dev, "Fully powering off\n");
714
715 arizona->has_fully_powered_off = true;
716
11150929 717 disable_irq_nosync(arizona->irq);
e6cb7341
CK		 718 arizona_enable_reset(arizona);
719 regulator_bulk_disable(arizona->num_core_supplies,
720 arizona->core_supplies);
721 }
722
3cc72986
MB		 723 return 0;
724}
725#endif
726
dc781d0e 727#ifdef CONFIG_PM_SLEEP
67c99296
MB		 728static int arizona_suspend(struct device *dev)
729{
730 struct arizona *arizona = dev_get_drvdata(dev);
731
732 dev_dbg(arizona->dev, "Suspend, disabling IRQ\n");
733 disable_irq(arizona->irq);
734
735 return 0;
736}
737
738static int arizona_suspend_late(struct device *dev)
739{
740 struct arizona *arizona = dev_get_drvdata(dev);
741
742 dev_dbg(arizona->dev, "Late suspend, reenabling IRQ\n");
743 enable_irq(arizona->irq);
744
745 return 0;
746}
747
dc781d0e
MB		 748static int arizona_resume_noirq(struct device *dev)
749{
750 struct arizona *arizona = dev_get_drvdata(dev);
751
752 dev_dbg(arizona->dev, "Early resume, disabling IRQ\n");
753 disable_irq(arizona->irq);
754
755 return 0;
756}
757
758static int arizona_resume(struct device *dev)
759{
760 struct arizona *arizona = dev_get_drvdata(dev);
761
762 dev_dbg(arizona->dev, "Late resume, reenabling IRQ\n");
763 enable_irq(arizona->irq);
764
765 return 0;
766}
767#endif
768
3cc72986
MB		 769const struct dev_pm_ops arizona_pm_ops = {
770 SET_RUNTIME_PM_OPS(arizona_runtime_suspend,
771 arizona_runtime_resume,
772 NULL)
67c99296 773 SET_SYSTEM_SLEEP_PM_OPS(arizona_suspend, arizona_resume)
dc781d0e 774#ifdef CONFIG_PM_SLEEP
67c99296 775 .suspend_late = arizona_suspend_late,
dc781d0e
MB		 776 .resume_noirq = arizona_resume_noirq,
777#endif
3cc72986
MB		 778};
779EXPORT_SYMBOL_GPL(arizona_pm_ops);
780
d781009c 781#ifdef CONFIG_OF
942786e6 782unsigned long arizona_of_get_type(struct device *dev)
d781009c
MB		 783{
784 const struct of_device_id *id = of_match_device(arizona_of_match, dev);
785
786 if (id)
942786e6 787 return (unsigned long)id->data;
d781009c
MB		 788 else
789 return 0;
790}
791EXPORT_SYMBOL_GPL(arizona_of_get_type);
792
e4fcb1d6
CK		 793int arizona_of_get_named_gpio(struct arizona *arizona, const char *prop,
794 bool mandatory)
795{
796 int gpio;
797
798 gpio = of_get_named_gpio(arizona->dev->of_node, prop, 0);
799 if (gpio < 0) {
800 if (mandatory)
801 dev_err(arizona->dev,
802 "Mandatory DT gpio %s missing/malformed: %d\n",
803 prop, gpio);
804
805 gpio = 0;
806 }
807
808 return gpio;
809}
810EXPORT_SYMBOL_GPL(arizona_of_get_named_gpio);
811
d781009c
MB		 812static int arizona_of_get_core_pdata(struct arizona *arizona)
813{
e4fcb1d6 814 struct arizona_pdata *pdata = &arizona->pdata;
cc47aed9
IS		 815 struct property *prop;
816 const __be32 *cur;
817 u32 val;
d781009c 818 int ret, i;
cc47aed9 819 int count = 0;
d781009c 820
e4fcb1d6 821 pdata->reset = arizona_of_get_named_gpio(arizona, "wlf,reset", true);
d781009c
MB		 822
823 ret = of_property_read_u32_array(arizona->dev->of_node,
824 "wlf,gpio-defaults",
3762aede
CK		 825 pdata->gpio_defaults,
826 ARRAY_SIZE(pdata->gpio_defaults));
d781009c
MB		 827 if (ret >= 0) {
828 /*
829 * All values are literal except out of range values
830 * which are chip default, translate into platform
831 * data which uses 0 as chip default and out of range
832 * as zero.
833 */
3762aede
CK		 834 for (i = 0; i < ARRAY_SIZE(pdata->gpio_defaults); i++) {
835 if (pdata->gpio_defaults[i] > 0xffff)
836 pdata->gpio_defaults[i] = 0;
837 else if (pdata->gpio_defaults[i] == 0)
838 pdata->gpio_defaults[i] = 0x10000;
d781009c
MB		 839 }
840 } else {
841 dev_err(arizona->dev, "Failed to parse GPIO defaults: %d\n",
842 ret);
843 }
844
cc47aed9
IS		 845 of_property_for_each_u32(arizona->dev->of_node, "wlf,inmode", prop,
846 cur, val) {
3762aede 847 if (count == ARRAY_SIZE(pdata->inmode))
cc47aed9
IS		 848 break;
849
3762aede 850 pdata->inmode[count] = val;
cc47aed9
IS		 851 count++;
852 }
853
e7ad27ca
CK		 854 count = 0;
855 of_property_for_each_u32(arizona->dev->of_node, "wlf,dmic-ref", prop,
856 cur, val) {
3762aede 857 if (count == ARRAY_SIZE(pdata->dmic_ref))
e7ad27ca
CK		 858 break;
859
3762aede 860 pdata->dmic_ref[count] = val;
e7ad27ca
CK		 861 count++;
862 }
863
f199d393
CK		 864 count = 0;
865 of_property_for_each_u32(arizona->dev->of_node, "wlf,out-mono", prop,
866 cur, val) {
867 if (count == ARRAY_SIZE(pdata->out_mono))
868 break;
869
870 pdata->out_mono[count] = !!val;
871 count++;
872 }
873
d781009c
MB		 874 return 0;
875}
876
877const struct of_device_id arizona_of_match[] = {
878 { .compatible = "wlf,wm5102", .data = (void *)WM5102 },
879 { .compatible = "wlf,wm5110", .data = (void *)WM5110 },
e5d4ef0d 880 { .compatible = "wlf,wm8280", .data = (void *)WM8280 },
dc7d4863 881 { .compatible = "wlf,wm8997", .data = (void *)WM8997 },
6887b042
RF		 882 { .compatible = "wlf,wm8998", .data = (void *)WM8998 },
883 { .compatible = "wlf,wm1814", .data = (void *)WM1814 },
ea1f3339
RF		 884 { .compatible = "wlf,wm1831", .data = (void *)WM1831 },
885 { .compatible = "cirrus,cs47l24", .data = (void *)CS47L24 },
d781009c
MB		 886 {},
887};
888EXPORT_SYMBOL_GPL(arizona_of_match);
889#else
890static inline int arizona_of_get_core_pdata(struct arizona *arizona)
891{
892 return 0;
893}
894#endif
895
5ac98553 896static const struct mfd_cell early_devs[] = {
3cc72986
MB		 897 { .name = "arizona-ldo1" },
898};
899
3762aede 900static const char * const wm5102_supplies[] = {
5fc6c396 901 "MICVDD",
32dadef2
CK		 902 "DBVDD2",
903 "DBVDD3",
904 "CPVDD",
905 "SPKVDDL",
906 "SPKVDDR",
907};
908
5ac98553 909static const struct mfd_cell wm5102_devs[] = {
d7768111 910 { .name = "arizona-micsupp" },
5fc6c396
CK		 911 {
912 .name = "arizona-extcon",
913 .parent_supplies = wm5102_supplies,
914 .num_parent_supplies = 1, /* We only need MICVDD */
915 },
3cc72986 916 { .name = "arizona-gpio" },
503b1cac 917 { .name = "arizona-haptics" },
3cc72986 918 { .name = "arizona-pwm" },
32dadef2
CK		 919 {
920 .name = "wm5102-codec",
921 .parent_supplies = wm5102_supplies,
922 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
923 },
3cc72986
MB		 924};
925
5ac98553 926static const struct mfd_cell wm5110_devs[] = {
d7768111 927 { .name = "arizona-micsupp" },
5fc6c396
CK		 928 {
929 .name = "arizona-extcon",
930 .parent_supplies = wm5102_supplies,
931 .num_parent_supplies = 1, /* We only need MICVDD */
932 },
e102befe 933 { .name = "arizona-gpio" },
503b1cac 934 { .name = "arizona-haptics" },
e102befe 935 { .name = "arizona-pwm" },
32dadef2
CK		 936 {
937 .name = "wm5110-codec",
938 .parent_supplies = wm5102_supplies,
939 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
940 },
941};
942
ea1f3339
RF		 943static const char * const cs47l24_supplies[] = {
944 "MICVDD",
945 "CPVDD",
946 "SPKVDD",
947};
948
949static const struct mfd_cell cs47l24_devs[] = {
950 { .name = "arizona-gpio" },
951 { .name = "arizona-haptics" },
952 { .name = "arizona-pwm" },
953 {
954 .name = "cs47l24-codec",
955 .parent_supplies = cs47l24_supplies,
956 .num_parent_supplies = ARRAY_SIZE(cs47l24_supplies),
957 },
958};
959
3762aede 960static const char * const wm8997_supplies[] = {
996c2d4f 961 "MICVDD",
32dadef2
CK		 962 "DBVDD2",
963 "CPVDD",
964 "SPKVDD",
e102befe
MB		 965};
966
5ac98553 967static const struct mfd_cell wm8997_devs[] = {
dc7d4863 968 { .name = "arizona-micsupp" },
5fc6c396
CK		 969 {
970 .name = "arizona-extcon",
971 .parent_supplies = wm8997_supplies,
972 .num_parent_supplies = 1, /* We only need MICVDD */
973 },
dc7d4863
CK		 974 { .name = "arizona-gpio" },
975 { .name = "arizona-haptics" },
976 { .name = "arizona-pwm" },
32dadef2
CK		 977 {
978 .name = "wm8997-codec",
979 .parent_supplies = wm8997_supplies,
980 .num_parent_supplies = ARRAY_SIZE(wm8997_supplies),
981 },
dc7d4863
CK		 982};
983
6887b042
RF		 984static const struct mfd_cell wm8998_devs[] = {
985 {
986 .name = "arizona-extcon",
987 .parent_supplies = wm5102_supplies,
988 .num_parent_supplies = 1, /* We only need MICVDD */
989 },
990 { .name = "arizona-gpio" },
991 { .name = "arizona-haptics" },
992 { .name = "arizona-pwm" },
993 {
994 .name = "wm8998-codec",
995 .parent_supplies = wm5102_supplies,
996 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
997 },
998 { .name = "arizona-micsupp" },
999};
1000
f791be49 1001int arizona_dev_init(struct arizona *arizona)
3cc72986
MB		 1002{
1003 struct device *dev = arizona->dev;
ea1f3339 1004 const char *type_name = NULL;
6887b042 1005 unsigned int reg, val, mask;
62d62b59 1006 int (*apply_patch)(struct arizona *) = NULL;
ae05ea36
RF		 1007 const struct mfd_cell *subdevs = NULL;
1008 int n_subdevs, ret, i;
3cc72986
MB		 1009
1010 dev_set_drvdata(arizona->dev, arizona);
1011 mutex_init(&arizona->clk_lock);
1012
1013 if (dev_get_platdata(arizona->dev))
1014 memcpy(&arizona->pdata, dev_get_platdata(arizona->dev),
1015 sizeof(arizona->pdata));
22d7dc8a
LJ		 1016 else
1017 arizona_of_get_core_pdata(arizona);
3cc72986
MB		 1018
1019 regcache_cache_only(arizona->regmap, true);
1020
1021 switch (arizona->type) {
1022 case WM5102:
e102befe 1023 case WM5110:
e5d4ef0d 1024 case WM8280:
dc7d4863 1025 case WM8997:
6887b042
RF		 1026 case WM8998:
1027 case WM1814:
ea1f3339
RF		 1028 case WM1831:
1029 case CS47L24:
3cc72986
MB		 1030 for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)
1031 arizona->core_supplies[i].supply
1032 = wm5102_core_supplies[i];
1033 arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies);
1034 break;
1035 default:
1036 dev_err(arizona->dev, "Unknown device type %d\n",
1037 arizona->type);
1038 return -EINVAL;
1039 }
1040
4a8c475f
CK		 1041 /* Mark DCVDD as external, LDO1 driver will clear if internal */
1042 arizona->external_dcvdd = true;
1043
ea1f3339
RF		 1044 switch (arizona->type) {
1045 case WM1831:
1046 case CS47L24:
1047 break; /* No LDO1 regulator */
1048 default:
1049 ret = mfd_add_devices(arizona->dev, -1, early_devs,
1050 ARRAY_SIZE(early_devs), NULL, 0, NULL);
1051 if (ret != 0) {
1052 dev_err(dev, "Failed to add early children: %d\n", ret);
1053 return ret;
1054 }
1055 break;
3cc72986
MB		 1056 }
1057
1058 ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies,
1059 arizona->core_supplies);
1060 if (ret != 0) {
1061 dev_err(dev, "Failed to request core supplies: %d\n",
1062 ret);
1063 goto err_early;
1064 }
1065
0c2d0ffb
CK		 1066 /**
1067 * Don't use devres here because the only device we have to get
1068 * against is the MFD device and DCVDD will likely be supplied by
1069 * one of its children. Meaning that the regulator will be
1070 * destroyed by the time devres calls regulator put.
1071 */
e6021511 1072 arizona->dcvdd = regulator_get(arizona->dev, "DCVDD");
59db9691
MB		 1073 if (IS_ERR(arizona->dcvdd)) {
1074 ret = PTR_ERR(arizona->dcvdd);
1075 dev_err(dev, "Failed to request DCVDD: %d\n", ret);
1076 goto err_early;
1077 }
1078
87d3af4a
MB		 1079 if (arizona->pdata.reset) {
1080 /* Start out with /RESET low to put the chip into reset */
5f056bf0
CK		 1081 ret = devm_gpio_request_one(arizona->dev, arizona->pdata.reset,
1082 GPIOF_DIR_OUT | GPIOF_INIT_LOW,
1083 "arizona /RESET");
87d3af4a
MB		 1084 if (ret != 0) {
1085 dev_err(dev, "Failed to request /RESET: %d\n", ret);
e6021511 1086 goto err_dcvdd;
87d3af4a
MB		 1087 }
1088 }
1089
3cc72986
MB		 1090 ret = regulator_bulk_enable(arizona->num_core_supplies,
1091 arizona->core_supplies);
1092 if (ret != 0) {
1093 dev_err(dev, "Failed to enable core supplies: %d\n",
1094 ret);
e6021511 1095 goto err_dcvdd;
3cc72986
MB		 1096 }
1097
59db9691
MB		 1098 ret = regulator_enable(arizona->dcvdd);
1099 if (ret != 0) {
1100 dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
1101 goto err_enable;
1102 }
1103
2229875d 1104 arizona_disable_reset(arizona);
3cc72986 1105
3cc72986
MB		 1106 regcache_cache_only(arizona->regmap, false);
1107
ca76ceb8 1108 /* Verify that this is a chip we know about */
3cc72986
MB		 1109 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
1110 if (ret != 0) {
1111 dev_err(dev, "Failed to read ID register: %d\n", ret);
59db9691 1112 goto err_reset;
3cc72986
MB		 1113 }
1114
3cc72986
MB		 1115 switch (reg) {
1116 case 0x5102:
e102befe 1117 case 0x5110:
6887b042 1118 case 0x6349:
ea1f3339 1119 case 0x6363:
dc7d4863 1120 case 0x8997:
e102befe 1121 break;
3cc72986 1122 default:
ca76ceb8 1123 dev_err(arizona->dev, "Unknown device ID: %x\n", reg);
59db9691 1124 goto err_reset;
3cc72986
MB		 1125 }
1126
3cc72986
MB		 1127 /* If we have a /RESET GPIO we'll already be reset */
1128 if (!arizona->pdata.reset) {
1129 ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
1130 if (ret != 0) {
1131 dev_err(dev, "Failed to reset device: %d\n", ret);
59db9691 1132 goto err_reset;
3cc72986 1133 }
46b9d13a 1134
b79a980f 1135 usleep_range(1000, 5000);
3cc72986
MB		 1136 }
1137
ca76ceb8 1138 /* Ensure device startup is complete */
d955cba8
CK		 1139 switch (arizona->type) {
1140 case WM5102:
48018943
MB		 1141 ret = regmap_read(arizona->regmap,
1142 ARIZONA_WRITE_SEQUENCER_CTRL_3, &val);
1c1c6bba 1143 if (ret) {
d955cba8
CK		 1144 dev_err(dev,
1145 "Failed to check write sequencer state: %d\n",
1146 ret);
1c1c6bba
CK		 1147 } else if (val & 0x01) {
1148 ret = wm5102_clear_write_sequencer(arizona);
1149 if (ret)
1150 return ret;
d955cba8
CK		 1151 }
1152 break;
1c1c6bba
CK		 1153 default:
1154 break;
1155 }
1156
1157 ret = arizona_wait_for_boot(arizona);
1158 if (ret) {
1159 dev_err(arizona->dev, "Device failed initial boot: %d\n", ret);
1160 goto err_reset;
af65a361 1161 }
3cc72986 1162
ca76ceb8
MB		 1163 /* Read the device ID information & do device specific stuff */
1164 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
1165 if (ret != 0) {
1166 dev_err(dev, "Failed to read ID register: %d\n", ret);
1167 goto err_reset;
1168 }
1169
1170 ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION,
1171 &arizona->rev);
1172 if (ret != 0) {
1173 dev_err(dev, "Failed to read revision register: %d\n", ret);
1174 goto err_reset;
1175 }
1176 arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;
1177
1178 switch (reg) {
ca76ceb8 1179 case 0x5102:
b61c1ec0
RF		 1180 if (IS_ENABLED(CONFIG_MFD_WM5102)) {
1181 type_name = "WM5102";
1182 if (arizona->type != WM5102) {
1183 dev_warn(arizona->dev,
1184 "WM5102 registered as %d\n",
1185 arizona->type);
1186 arizona->type = WM5102;
1187 }
1188
1189 apply_patch = wm5102_patch;
1190 arizona->rev &= 0x7;
1191 subdevs = wm5102_devs;
1192 n_subdevs = ARRAY_SIZE(wm5102_devs);
ca76ceb8 1193 }
ca76ceb8 1194 break;
ca76ceb8 1195 case 0x5110:
b61c1ec0
RF		 1196 if (IS_ENABLED(CONFIG_MFD_WM5110)) {
1197 switch (arizona->type) {
1198 case WM5110:
1199 type_name = "WM5110";
1200 break;
1201 case WM8280:
1202 type_name = "WM8280";
1203 break;
1204 default:
1205 type_name = "WM5110";
1206 dev_warn(arizona->dev,
1207 "WM5110 registered as %d\n",
1208 arizona->type);
1209 arizona->type = WM5110;
1210 break;
1211 }
1212
1213 apply_patch = wm5110_patch;
1214 subdevs = wm5110_devs;
1215 n_subdevs = ARRAY_SIZE(wm5110_devs);
ca76ceb8 1216 }
ca76ceb8 1217 break;
ea1f3339
RF		 1218 case 0x6363:
1219 if (IS_ENABLED(CONFIG_MFD_CS47L24)) {
1220 switch (arizona->type) {
1221 case CS47L24:
1222 type_name = "CS47L24";
1223 break;
1224
1225 case WM1831:
1226 type_name = "WM1831";
1227 break;
1228
1229 default:
1230 dev_warn(arizona->dev,
1231 "CS47L24 registered as %d\n",
1232 arizona->type);
1233 arizona->type = CS47L24;
1234 break;
1235 }
1236
1237 apply_patch = cs47l24_patch;
1238 subdevs = cs47l24_devs;
1239 n_subdevs = ARRAY_SIZE(cs47l24_devs);
1240 }
1241 break;
dc7d4863 1242 case 0x8997:
b61c1ec0
RF		 1243 if (IS_ENABLED(CONFIG_MFD_WM8997)) {
1244 type_name = "WM8997";
1245 if (arizona->type != WM8997) {
1246 dev_warn(arizona->dev,
1247 "WM8997 registered as %d\n",
1248 arizona->type);
1249 arizona->type = WM8997;
1250 }
1251
1252 apply_patch = wm8997_patch;
1253 subdevs = wm8997_devs;
1254 n_subdevs = ARRAY_SIZE(wm8997_devs);
dc7d4863 1255 }
dc7d4863 1256 break;
6887b042 1257 case 0x6349:
b61c1ec0
RF		 1258 if (IS_ENABLED(CONFIG_MFD_WM8998)) {
1259 switch (arizona->type) {
1260 case WM8998:
1261 type_name = "WM8998";
1262 break;
1263
1264 case WM1814:
1265 type_name = "WM1814";
1266 break;
1267
1268 default:
1269 type_name = "WM8998";
1270 dev_warn(arizona->dev,
1271 "WM8998 registered as %d\n",
1272 arizona->type);
1273 arizona->type = WM8998;
1274 }
6887b042 1275
b61c1ec0
RF		 1276 apply_patch = wm8998_patch;
1277 subdevs = wm8998_devs;
1278 n_subdevs = ARRAY_SIZE(wm8998_devs);
6887b042 1279 }
6887b042 1280 break;
ca76ceb8
MB		 1281 default:
1282 dev_err(arizona->dev, "Unknown device ID %x\n", reg);
1283 goto err_reset;
1284 }
1285
b61c1ec0
RF		 1286 if (!subdevs) {
1287 dev_err(arizona->dev,
1288 "No kernel support for device ID %x\n", reg);
1289 goto err_reset;
1290 }
1291
ca76ceb8
MB		 1292 dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');
1293
62d62b59
MB		 1294 if (apply_patch) {
1295 ret = apply_patch(arizona);
1296 if (ret != 0) {
1297 dev_err(arizona->dev, "Failed to apply patch: %d\n",
1298 ret);
1299 goto err_reset;
1300 }
e80436bb
CK		 1301
1302 switch (arizona->type) {
1303 case WM5102:
0be068a0
CK		 1304 ret = wm5102_apply_hardware_patch(arizona);
1305 if (ret) {
e80436bb
CK		 1306 dev_err(arizona->dev,
1307 "Failed to apply hardware patch: %d\n",
1308 ret);
1309 goto err_reset;
1310 }
1311 break;
882bc468
CK		 1312 case WM5110:
1313 case WM8280:
1314 ret = wm5110_apply_sleep_patch(arizona);
1315 if (ret) {
1316 dev_err(arizona->dev,
1317 "Failed to apply sleep patch: %d\n",
1318 ret);
1319 goto err_reset;
1320 }
1321 break;
e80436bb
CK		 1322 default:
1323 break;
1324 }
62d62b59
MB		 1325 }
1326
3cc72986
MB		 1327 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
1328 if (!arizona->pdata.gpio_defaults[i])
1329 continue;
1330
1331 regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i,
1332 arizona->pdata.gpio_defaults[i]);
1333 }
1334
3cc72986
MB		 1335 /* Chip default */
1336 if (!arizona->pdata.clk32k_src)
1337 arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2;
1338
1339 switch (arizona->pdata.clk32k_src) {
1340 case ARIZONA_32KZ_MCLK1:
1341 case ARIZONA_32KZ_MCLK2:
1342 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
1343 ARIZONA_CLK_32K_SRC_MASK,
1344 arizona->pdata.clk32k_src - 1);
767c6dc0 1345 arizona_clk32k_enable(arizona);
3cc72986
MB		 1346 break;
1347 case ARIZONA_32KZ_NONE:
1348 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
1349 ARIZONA_CLK_32K_SRC_MASK, 2);
1350 break;
1351 default:
1352 dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n",
1353 arizona->pdata.clk32k_src);
1354 ret = -EINVAL;
59db9691 1355 goto err_reset;
3cc72986
MB		 1356 }
1357
3d91f828 1358 for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) {
544c7aad
MB		 1359 if (!arizona->pdata.micbias[i].mV &&
1360 !arizona->pdata.micbias[i].bypass)
3d91f828
MB		 1361 continue;
1362
544c7aad
MB		 1363 /* Apply default for bypass mode */
1364 if (!arizona->pdata.micbias[i].mV)
1365 arizona->pdata.micbias[i].mV = 2800;
1366
3d91f828 1367 val = (arizona->pdata.micbias[i].mV - 1500) / 100;
544c7aad 1368
3d91f828
MB		 1369 val <<= ARIZONA_MICB1_LVL_SHIFT;
1370
1371 if (arizona->pdata.micbias[i].ext_cap)
1372 val |= ARIZONA_MICB1_EXT_CAP;
1373
1374 if (arizona->pdata.micbias[i].discharge)
1375 val |= ARIZONA_MICB1_DISCH;
1376
f773fc6d 1377 if (arizona->pdata.micbias[i].soft_start)
3d91f828
MB		 1378 val |= ARIZONA_MICB1_RATE;
1379
544c7aad
MB		 1380 if (arizona->pdata.micbias[i].bypass)
1381 val |= ARIZONA_MICB1_BYPASS;
1382
3d91f828
MB		 1383 regmap_update_bits(arizona->regmap,
1384 ARIZONA_MIC_BIAS_CTRL_1 + i,
1385 ARIZONA_MICB1_LVL_MASK |
71d134b9 1386 ARIZONA_MICB1_EXT_CAP |
3d91f828 1387 ARIZONA_MICB1_DISCH |
544c7aad 1388 ARIZONA_MICB1_BYPASS |
3d91f828
MB		 1389 ARIZONA_MICB1_RATE, val);
1390 }
1391
3cc72986
MB		 1392 for (i = 0; i < ARIZONA_MAX_INPUT; i++) {
1393 /* Default for both is 0 so noop with defaults */
1394 val = arizona->pdata.dmic_ref[i]
1395 << ARIZONA_IN1_DMIC_SUP_SHIFT;
fc027d13
RF		 1396 if (arizona->pdata.inmode[i] & ARIZONA_INMODE_DMIC)
1397 val |= 1 << ARIZONA_IN1_MODE_SHIFT;
6887b042
RF		 1398
1399 switch (arizona->type) {
1400 case WM8998:
1401 case WM1814:
1402 regmap_update_bits(arizona->regmap,
1403 ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 8),
1404 ARIZONA_IN1L_SRC_SE_MASK,
1405 (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1406 << ARIZONA_IN1L_SRC_SE_SHIFT);
1407
1408 regmap_update_bits(arizona->regmap,
1409 ARIZONA_ADC_DIGITAL_VOLUME_1R + (i * 8),
1410 ARIZONA_IN1R_SRC_SE_MASK,
1411 (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1412 << ARIZONA_IN1R_SRC_SE_SHIFT);
1413
1414 mask = ARIZONA_IN1_DMIC_SUP_MASK |
1415 ARIZONA_IN1_MODE_MASK;
1416 break;
1417 default:
1418 if (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1419 val |= 1 << ARIZONA_IN1_SINGLE_ENDED_SHIFT;
1420
1421 mask = ARIZONA_IN1_DMIC_SUP_MASK |
1422 ARIZONA_IN1_MODE_MASK |
1423 ARIZONA_IN1_SINGLE_ENDED_MASK;
1424 break;
1425 }
3cc72986
MB		 1426
1427 regmap_update_bits(arizona->regmap,
1428 ARIZONA_IN1L_CONTROL + (i * 8),
6887b042 1429 mask, val);
3cc72986
MB		 1430 }
1431
1432 for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) {
1433 /* Default is 0 so noop with defaults */
1434 if (arizona->pdata.out_mono[i])
1435 val = ARIZONA_OUT1_MONO;
1436 else
1437 val = 0;
1438
1439 regmap_update_bits(arizona->regmap,
1440 ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8),
1441 ARIZONA_OUT1_MONO, val);
1442 }
1443
3cc72986
MB		 1444 for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) {
1445 if (arizona->pdata.spk_mute[i])
1446 regmap_update_bits(arizona->regmap,
2a51da04 1447 ARIZONA_PDM_SPK1_CTRL_1 + (i * 2),
3cc72986
MB		 1448 ARIZONA_SPK1_MUTE_ENDIAN_MASK |
1449 ARIZONA_SPK1_MUTE_SEQ1_MASK,
1450 arizona->pdata.spk_mute[i]);
1451
1452 if (arizona->pdata.spk_fmt[i])
1453 regmap_update_bits(arizona->regmap,
2a51da04 1454 ARIZONA_PDM_SPK1_CTRL_2 + (i * 2),
3cc72986
MB		 1455 ARIZONA_SPK1_FMT_MASK,
1456 arizona->pdata.spk_fmt[i]);
1457 }
1458
72e43164
CK		 1459 pm_runtime_set_active(arizona->dev);
1460 pm_runtime_enable(arizona->dev);
1461
3cc72986
MB		 1462 /* Set up for interrupts */
1463 ret = arizona_irq_init(arizona);
1464 if (ret != 0)
59db9691 1465 goto err_reset;
3cc72986 1466
72e43164
CK		 1467 pm_runtime_set_autosuspend_delay(arizona->dev, 100);
1468 pm_runtime_use_autosuspend(arizona->dev);
1469
3cc72986
MB		 1470 arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error",
1471 arizona_clkgen_err, arizona);
1472 arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked",
1473 arizona_overclocked, arizona);
1474 arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked",
1475 arizona_underclocked, arizona);
1476
ae05ea36
RF		 1477 ret = mfd_add_devices(arizona->dev, PLATFORM_DEVID_NONE,
1478 subdevs, n_subdevs, NULL, 0, NULL);
3cc72986 1479
ae05ea36 1480 if (ret) {
3cc72986
MB		 1481 dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
1482 goto err_irq;
1483 }
1484
1485 return 0;
1486
1487err_irq:
1488 arizona_irq_exit(arizona);
3cc72986 1489err_reset:
2229875d 1490 arizona_enable_reset(arizona);
59db9691 1491 regulator_disable(arizona->dcvdd);
3cc72986 1492err_enable:
3a36a0db 1493 regulator_bulk_disable(arizona->num_core_supplies,
3cc72986 1494 arizona->core_supplies);
e6021511
CK		 1495err_dcvdd:
1496 regulator_put(arizona->dcvdd);
3cc72986
MB		 1497err_early:
1498 mfd_remove_devices(dev);
1499 return ret;
1500}
1501EXPORT_SYMBOL_GPL(arizona_dev_init);
1502
4740f73f 1503int arizona_dev_exit(struct arizona *arizona)
3cc72986 1504{
b804020a
CK		 1505 pm_runtime_disable(arizona->dev);
1506
df6b3352 1507 regulator_disable(arizona->dcvdd);
e6021511 1508 regulator_put(arizona->dcvdd);
df6b3352 1509
3cc72986
MB		 1510 mfd_remove_devices(arizona->dev);
1511 arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
1512 arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
1513 arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona);
3cc72986 1514 arizona_irq_exit(arizona);
2229875d 1515 arizona_enable_reset(arizona);
df6b3352 1516
4420286e 1517 regulator_bulk_disable(arizona->num_core_supplies,
1d017b6b 1518 arizona->core_supplies);
3cc72986
MB		 1519 return 0;
1520}
1521EXPORT_SYMBOL_GPL(arizona_dev_exit);
Linux 6.x block layer and io_uring tree(s)