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Merge tag 'ceph-for-4.13-rc1' of git://github.com/ceph/ceph-client
[mirror_ubuntu-artful-kernel.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
cdd8da8c 13#include <linux/clk.h>
3cc72986 14#include <linux/delay.h>
59db9691 15#include <linux/err.h>
3cc72986
MB		 16#include <linux/gpio.h>
17#include <linux/interrupt.h>
18#include <linux/mfd/core.h>
19#include <linux/module.h>
d781009c
MB		 20#include <linux/of.h>
21#include <linux/of_device.h>
22#include <linux/of_gpio.h>
3cc72986
MB		 23#include <linux/pm_runtime.h>
24#include <linux/regmap.h>
25#include <linux/regulator/consumer.h>
5927467d 26#include <linux/regulator/machine.h>
3cc72986 27#include <linux/slab.h>
ae05ea36 28#include <linux/platform_device.h>
3cc72986
MB		 29
30#include <linux/mfd/arizona/core.h>
31#include <linux/mfd/arizona/registers.h>
32
33#include "arizona.h"
34
3762aede 35static const char * const wm5102_core_supplies[] = {
3cc72986
MB		 36 "AVDD",
37 "DBVDD1",
3cc72986
MB		 38};
39
40int arizona_clk32k_enable(struct arizona *arizona)
41{
42 int ret = 0;
43
44 mutex_lock(&arizona->clk_lock);
45
46 arizona->clk32k_ref++;
47
247fa192
MB		 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)
cdd8da8c
SN		 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;
247fa192
MB		 62 break;
63 }
64
3cc72986
MB		 65 ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
66 ARIZONA_CLK_32K_ENA,
67 ARIZONA_CLK_32K_ENA);
247fa192 68 }
3cc72986 69
cdd8da8c
SN		 70err_pm:
71 pm_runtime_put_sync(arizona->dev);
72err_ref:
3cc72986
MB		 73 if (ret != 0)
74 arizona->clk32k_ref--;
75
76 mutex_unlock(&arizona->clk_lock);
77
78 return ret;
79}
80EXPORT_SYMBOL_GPL(arizona_clk32k_enable);
81
82int arizona_clk32k_disable(struct arizona *arizona)
83{
3cc72986
MB		 84 mutex_lock(&arizona->clk_lock);
85
86 BUG_ON(arizona->clk32k_ref <= 0);
87
88 arizona->clk32k_ref--;
89
247fa192 90 if (arizona->clk32k_ref == 0) {
3cc72986
MB		 91 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
92 ARIZONA_CLK_32K_ENA, 0);
93
247fa192
MB		 94 switch (arizona->pdata.clk32k_src) {
95 case ARIZONA_32KZ_MCLK1:
96 pm_runtime_put_sync(arizona->dev);
cdd8da8c
SN		 97 clk_disable_unprepare(arizona->mclk[ARIZONA_MCLK1]);
98 break;
99 case ARIZONA_32KZ_MCLK2:
100 clk_disable_unprepare(arizona->mclk[ARIZONA_MCLK2]);
247fa192
MB		 101 break;
102 }
103 }
104
3cc72986
MB		 105 mutex_unlock(&arizona->clk_lock);
106
a260fba1 107 return 0;
3cc72986
MB		 108}
109EXPORT_SYMBOL_GPL(arizona_clk32k_disable);
110
111static 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
120static 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
3cc72986
MB		 134 if (val & ARIZONA_AIF3_UNDERCLOCKED_STS)
135 dev_err(arizona->dev, "AIF3 underclocked\n");
136 if (val & ARIZONA_AIF2_UNDERCLOCKED_STS)
3ebef34d
CK		 137 dev_err(arizona->dev, "AIF2 underclocked\n");
138 if (val & ARIZONA_AIF1_UNDERCLOCKED_STS)
3cc72986 139 dev_err(arizona->dev, "AIF1 underclocked\n");
6e440d27
CK		 140 if (val & ARIZONA_ISRC3_UNDERCLOCKED_STS)
141 dev_err(arizona->dev, "ISRC3 underclocked\n");
3cc72986
MB		 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)
648a9880 155 dev_err(arizona->dev, "Mixer dropped sample\n");
3cc72986
MB		 156
157 return IRQ_HANDLED;
158}
159
160static irqreturn_t arizona_overclocked(int irq, void *data)
161{
162 struct arizona *arizona = data;
6887b042 163 unsigned int val[3];
3cc72986 164 int ret;
3762aede 165
3cc72986 166 ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6,
6887b042 167 &val[0], 3);
3cc72986
MB		 168 if (ret != 0) {
169 dev_err(arizona->dev, "Failed to read overclock status: %d\n",
170 ret);
171 return IRQ_NONE;
172 }
173
6887b042
RF		 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
3cc72986
MB		 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");
6e440d27
CK		 225 if (val[1] & ARIZONA_ISRC3_OVERCLOCKED_STS)
226 dev_err(arizona->dev, "ISRC3 overclocked\n");
3cc72986
MB		 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
6887b042
RF		 232 if (val[2] & ARIZONA_SPDIF_OVERCLOCKED_STS)
233 dev_err(arizona->dev, "SPDIF overclocked\n");
234
3cc72986
MB		 235 return IRQ_HANDLED;
236}
237
ef84f885
CK		 238#define ARIZONA_REG_POLL_DELAY_US 7500
239
9d53dfdc 240static int arizona_poll_reg(struct arizona *arizona,
ef84f885 241 int timeout_ms, unsigned int reg,
9d53dfdc 242 unsigned int mask, unsigned int target)
3cc72986 243{
9d53dfdc 244 unsigned int val = 0;
ef84f885 245 int ret;
9d53dfdc 246
ef84f885 247 ret = regmap_read_poll_timeout(arizona->regmap,
27fef9f8 248 reg, val, ((val & mask) == target),
ef84f885
CK		 249 ARIZONA_REG_POLL_DELAY_US,
250 timeout_ms * 1000);
251 if (ret)
252 dev_err(arizona->dev, "Polling reg 0x%x timed out: %x\n",
253 reg, val);
3cc72986 254
ef84f885 255 return ret;
9d53dfdc
CK		 256}
257
258static int arizona_wait_for_boot(struct arizona *arizona)
259{
260 int ret;
261
262 /*
263 * We can't use an interrupt as we need to runtime resume to do so,
264 * we won't race with the interrupt handler as it'll be blocked on
265 * runtime resume.
266 */
ef84f885 267 ret = arizona_poll_reg(arizona, 30, ARIZONA_INTERRUPT_RAW_STATUS_5,
9d53dfdc
CK		 268 ARIZONA_BOOT_DONE_STS, ARIZONA_BOOT_DONE_STS);
269
270 if (!ret)
3cc72986
MB		 271 regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5,
272 ARIZONA_BOOT_DONE_STS);
3cc72986
MB		 273
274 pm_runtime_mark_last_busy(arizona->dev);
275
9d53dfdc 276 return ret;
3cc72986
MB		 277}
278
2229875d
CK		 279static inline void arizona_enable_reset(struct arizona *arizona)
280{
281 if (arizona->pdata.reset)
282 gpio_set_value_cansleep(arizona->pdata.reset, 0);
283}
284
285static void arizona_disable_reset(struct arizona *arizona)
286{
287 if (arizona->pdata.reset) {
121c075c
CK		 288 switch (arizona->type) {
289 case WM5110:
290 case WM8280:
291 /* Meet requirements for minimum reset duration */
b79a980f 292 usleep_range(5000, 10000);
121c075c
CK		 293 break;
294 default:
295 break;
296 }
297
2229875d 298 gpio_set_value_cansleep(arizona->pdata.reset, 1);
b79a980f 299 usleep_range(1000, 5000);
2229875d
CK		 300 }
301}
302
3850e3ee
CK		 303struct arizona_sysclk_state {
304 unsigned int fll;
305 unsigned int sysclk;
306};
307
308static int arizona_enable_freerun_sysclk(struct arizona *arizona,
309 struct arizona_sysclk_state *state)
e80436bb 310{
e80436bb
CK		 311 int ret, err;
312
e80436bb 313 /* Cache existing FLL and SYSCLK settings */
3850e3ee 314 ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &state->fll);
0be068a0 315 if (ret) {
e80436bb
CK		 316 dev_err(arizona->dev, "Failed to cache FLL settings: %d\n",
317 ret);
318 return ret;
319 }
3850e3ee
CK		 320 ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
321 &state->sysclk);
0be068a0 322 if (ret) {
e80436bb
CK		 323 dev_err(arizona->dev, "Failed to cache SYSCLK settings: %d\n",
324 ret);
325 return ret;
326 }
327
328 /* Start up SYSCLK using the FLL in free running mode */
329 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1,
330 ARIZONA_FLL1_ENA | ARIZONA_FLL1_FREERUN);
0be068a0 331 if (ret) {
e80436bb
CK		 332 dev_err(arizona->dev,
333 "Failed to start FLL in freerunning mode: %d\n",
334 ret);
335 return ret;
336 }
ef84f885 337 ret = arizona_poll_reg(arizona, 180, ARIZONA_INTERRUPT_RAW_STATUS_5,
e80436bb
CK		 338 ARIZONA_FLL1_CLOCK_OK_STS,
339 ARIZONA_FLL1_CLOCK_OK_STS);
de4ea10a 340 if (ret)
e80436bb 341 goto err_fll;
e80436bb
CK		 342
343 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, 0x0144);
0be068a0 344 if (ret) {
e80436bb
CK		 345 dev_err(arizona->dev, "Failed to start SYSCLK: %d\n", ret);
346 goto err_fll;
347 }
348
3850e3ee
CK		 349 return 0;
350
351err_fll:
352 err = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
353 if (err)
354 dev_err(arizona->dev,
355 "Failed to re-apply old FLL settings: %d\n", err);
356
357 return ret;
358}
359
360static int arizona_disable_freerun_sysclk(struct arizona *arizona,
361 struct arizona_sysclk_state *state)
362{
363 int ret;
364
365 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
366 state->sysclk);
367 if (ret) {
368 dev_err(arizona->dev,
369 "Failed to re-apply old SYSCLK settings: %d\n", ret);
370 return ret;
371 }
372
373 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
374 if (ret) {
375 dev_err(arizona->dev,
376 "Failed to re-apply old FLL settings: %d\n", ret);
377 return ret;
378 }
379
380 return 0;
381}
382
383static int wm5102_apply_hardware_patch(struct arizona *arizona)
384{
385 struct arizona_sysclk_state state;
386 int err, ret;
387
388 ret = arizona_enable_freerun_sysclk(arizona, &state);
389 if (ret)
390 return ret;
391
e80436bb
CK		 392 /* Start the write sequencer and wait for it to finish */
393 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
0be068a0
CK		 394 ARIZONA_WSEQ_ENA | ARIZONA_WSEQ_START | 160);
395 if (ret) {
e80436bb
CK		 396 dev_err(arizona->dev, "Failed to start write sequencer: %d\n",
397 ret);
3850e3ee 398 goto err;
e80436bb 399 }
3850e3ee 400
ef84f885 401 ret = arizona_poll_reg(arizona, 30, ARIZONA_WRITE_SEQUENCER_CTRL_1,
e80436bb 402 ARIZONA_WSEQ_BUSY, 0);
de4ea10a 403 if (ret)
e80436bb 404 regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
0be068a0 405 ARIZONA_WSEQ_ABORT);
e80436bb 406
3850e3ee
CK		 407err:
408 err = arizona_disable_freerun_sysclk(arizona, &state);
e80436bb 409
0be068a0 410 return ret ?: err;
e80436bb
CK		 411}
412
882bc468
CK		 413/*
414 * Register patch to some of the CODECs internal write sequences
415 * to ensure a clean exit from the low power sleep state.
416 */
8019ff6c 417static const struct reg_sequence wm5110_sleep_patch[] = {
882bc468
CK		 418 { 0x337A, 0xC100 },
419 { 0x337B, 0x0041 },
420 { 0x3300, 0xA210 },
421 { 0x3301, 0x050C },
422};
423
424static int wm5110_apply_sleep_patch(struct arizona *arizona)
425{
426 struct arizona_sysclk_state state;
427 int err, ret;
428
429 ret = arizona_enable_freerun_sysclk(arizona, &state);
430 if (ret)
431 return ret;
432
433 ret = regmap_multi_reg_write_bypassed(arizona->regmap,
434 wm5110_sleep_patch,
435 ARRAY_SIZE(wm5110_sleep_patch));
436
437 err = arizona_disable_freerun_sysclk(arizona, &state);
438
439 return ret ?: err;
440}
441
1c1c6bba
CK		 442static int wm5102_clear_write_sequencer(struct arizona *arizona)
443{
444 int ret;
445
446 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_3,
447 0x0);
448 if (ret) {
449 dev_err(arizona->dev,
450 "Failed to clear write sequencer state: %d\n", ret);
451 return ret;
452 }
453
454 arizona_enable_reset(arizona);
455 regulator_disable(arizona->dcvdd);
456
457 msleep(20);
458
459 ret = regulator_enable(arizona->dcvdd);
460 if (ret) {
461 dev_err(arizona->dev, "Failed to re-enable DCVDD: %d\n", ret);
462 return ret;
463 }
464 arizona_disable_reset(arizona);
465
466 return 0;
467}
468
48bb9fe4 469#ifdef CONFIG_PM
e7811147
RF		 470static int arizona_isolate_dcvdd(struct arizona *arizona)
471{
472 int ret;
473
474 ret = regmap_update_bits(arizona->regmap,
475 ARIZONA_ISOLATION_CONTROL,
476 ARIZONA_ISOLATE_DCVDD1,
477 ARIZONA_ISOLATE_DCVDD1);
478 if (ret != 0)
479 dev_err(arizona->dev, "Failed to isolate DCVDD: %d\n", ret);
480
481 return ret;
482}
483
484static int arizona_connect_dcvdd(struct arizona *arizona)
485{
486 int ret;
487
488 ret = regmap_update_bits(arizona->regmap,
489 ARIZONA_ISOLATION_CONTROL,
490 ARIZONA_ISOLATE_DCVDD1, 0);
491 if (ret != 0)
492 dev_err(arizona->dev, "Failed to connect DCVDD: %d\n", ret);
493
494 return ret;
495}
496
e3424273
RF		 497static int arizona_is_jack_det_active(struct arizona *arizona)
498{
499 unsigned int val;
500 int ret;
501
502 ret = regmap_read(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, &val);
503 if (ret) {
504 dev_err(arizona->dev,
505 "Failed to check jack det status: %d\n", ret);
506 return ret;
507 } else if (val & ARIZONA_JD1_ENA) {
508 return 1;
509 } else {
510 return 0;
511 }
512}
513
3cc72986
MB		 514static int arizona_runtime_resume(struct device *dev)
515{
516 struct arizona *arizona = dev_get_drvdata(dev);
517 int ret;
518
508c8299
MB		 519 dev_dbg(arizona->dev, "Leaving AoD mode\n");
520
e6cb7341
CK		 521 if (arizona->has_fully_powered_off) {
522 dev_dbg(arizona->dev, "Re-enabling core supplies\n");
523
524 ret = regulator_bulk_enable(arizona->num_core_supplies,
525 arizona->core_supplies);
526 if (ret) {
527 dev_err(dev, "Failed to enable core supplies: %d\n",
528 ret);
529 return ret;
530 }
531 }
532
59db9691
MB		 533 ret = regulator_enable(arizona->dcvdd);
534 if (ret != 0) {
535 dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
e6cb7341
CK		 536 if (arizona->has_fully_powered_off)
537 regulator_bulk_disable(arizona->num_core_supplies,
538 arizona->core_supplies);
59db9691
MB		 539 return ret;
540 }
3cc72986 541
e6cb7341
CK		 542 if (arizona->has_fully_powered_off) {
543 arizona_disable_reset(arizona);
544 enable_irq(arizona->irq);
545 arizona->has_fully_powered_off = false;
546 }
547
3cc72986
MB		 548 regcache_cache_only(arizona->regmap, false);
549
4c9bb8bc
CK		 550 switch (arizona->type) {
551 case WM5102:
5927467d 552 if (arizona->external_dcvdd) {
e7811147
RF		 553 ret = arizona_connect_dcvdd(arizona);
554 if (ret != 0)
5927467d 555 goto err;
5927467d
MB		 556 }
557
4c9bb8bc
CK		 558 ret = wm5102_patch(arizona);
559 if (ret != 0) {
560 dev_err(arizona->dev, "Failed to apply patch: %d\n",
561 ret);
562 goto err;
563 }
e80436bb 564
0be068a0
CK		 565 ret = wm5102_apply_hardware_patch(arizona);
566 if (ret) {
e80436bb
CK		 567 dev_err(arizona->dev,
568 "Failed to apply hardware patch: %d\n",
569 ret);
570 goto err;
571 }
572 break;
96129a0e
CK		 573 case WM5110:
574 case WM8280:
575 ret = arizona_wait_for_boot(arizona);
576 if (ret)
577 goto err;
578
579 if (arizona->external_dcvdd) {
e7811147
RF		 580 ret = arizona_connect_dcvdd(arizona);
581 if (ret != 0)
96129a0e 582 goto err;
96129a0e
CK		 583 } else {
584 /*
585 * As this is only called for the internal regulator
586 * (where we know voltage ranges available) it is ok
587 * to request an exact range.
588 */
589 ret = regulator_set_voltage(arizona->dcvdd,
590 1200000, 1200000);
591 if (ret < 0) {
592 dev_err(arizona->dev,
593 "Failed to set resume voltage: %d\n",
594 ret);
595 goto err;
596 }
597 }
e6cb7341
CK		 598
599 ret = wm5110_apply_sleep_patch(arizona);
600 if (ret) {
601 dev_err(arizona->dev,
602 "Failed to re-apply sleep patch: %d\n",
603 ret);
604 goto err;
605 }
96129a0e 606 break;
ea1f3339
RF		 607 case WM1831:
608 case CS47L24:
609 ret = arizona_wait_for_boot(arizona);
610 if (ret != 0)
611 goto err;
612 break;
e80436bb 613 default:
12bb68ed 614 ret = arizona_wait_for_boot(arizona);
3762aede 615 if (ret != 0)
12bb68ed 616 goto err;
12bb68ed 617
5927467d 618 if (arizona->external_dcvdd) {
e7811147
RF		 619 ret = arizona_connect_dcvdd(arizona);
620 if (ret != 0)
5927467d 621 goto err;
5927467d 622 }
e80436bb 623 break;
4c9bb8bc
CK		 624 }
625
9270bdf5
MB		 626 ret = regcache_sync(arizona->regmap);
627 if (ret != 0) {
628 dev_err(arizona->dev, "Failed to restore register cache\n");
4816bd1c 629 goto err;
9270bdf5 630 }
3cc72986
MB		 631
632 return 0;
4816bd1c
MB		 633
634err:
635 regcache_cache_only(arizona->regmap, true);
636 regulator_disable(arizona->dcvdd);
637 return ret;
3cc72986
MB		 638}
639
640static int arizona_runtime_suspend(struct device *dev)
641{
642 struct arizona *arizona = dev_get_drvdata(dev);
a05950a4 643 int jd_active = 0;
5927467d 644 int ret;
3cc72986 645
508c8299
MB		 646 dev_dbg(arizona->dev, "Entering AoD mode\n");
647
e6cb7341
CK		 648 switch (arizona->type) {
649 case WM5110:
650 case WM8280:
e3424273
RF		 651 jd_active = arizona_is_jack_det_active(arizona);
652 if (jd_active < 0)
653 return jd_active;
654
e7811147
RF		 655 if (arizona->external_dcvdd) {
656 ret = arizona_isolate_dcvdd(arizona);
657 if (ret != 0)
658 return ret;
659 } else {
660 /*
661 * As this is only called for the internal regulator
662 * (where we know voltage ranges available) it is ok
663 * to request an exact range.
664 */
665 ret = regulator_set_voltage(arizona->dcvdd,
666 1175000, 1175000);
667 if (ret < 0) {
668 dev_err(arizona->dev,
669 "Failed to set suspend voltage: %d\n",
670 ret);
671 return ret;
672 }
e6cb7341
CK		 673 }
674 break;
675 case WM5102:
e3424273
RF		 676 jd_active = arizona_is_jack_det_active(arizona);
677 if (jd_active < 0)
678 return jd_active;
679
e7811147
RF		 680 if (arizona->external_dcvdd) {
681 ret = arizona_isolate_dcvdd(arizona);
682 if (ret != 0)
683 return ret;
684 }
685
e3424273 686 if (!jd_active) {
e6cb7341
CK		 687 ret = regmap_write(arizona->regmap,
688 ARIZONA_WRITE_SEQUENCER_CTRL_3, 0x0);
689 if (ret) {
96129a0e 690 dev_err(arizona->dev,
e6cb7341 691 "Failed to clear write sequencer: %d\n",
96129a0e
CK		 692 ret);
693 return ret;
694 }
96129a0e 695 }
e6cb7341 696 break;
ea1f3339
RF		 697 case WM1831:
698 case CS47L24:
699 break;
e6cb7341 700 default:
e3424273
RF		 701 jd_active = arizona_is_jack_det_active(arizona);
702 if (jd_active < 0)
703 return jd_active;
704
e7811147
RF		 705 if (arizona->external_dcvdd) {
706 ret = arizona_isolate_dcvdd(arizona);
707 if (ret != 0)
708 return ret;
709 }
e6cb7341 710 break;
5927467d
MB		 711 }
712
59db9691
MB		 713 regcache_cache_only(arizona->regmap, true);
714 regcache_mark_dirty(arizona->regmap);
e293e847 715 regulator_disable(arizona->dcvdd);
3cc72986 716
e6cb7341 717 /* Allow us to completely power down if no jack detection */
e3424273 718 if (!jd_active) {
e6cb7341
CK		 719 dev_dbg(arizona->dev, "Fully powering off\n");
720
721 arizona->has_fully_powered_off = true;
722
11150929 723 disable_irq_nosync(arizona->irq);
e6cb7341
CK		 724 arizona_enable_reset(arizona);
725 regulator_bulk_disable(arizona->num_core_supplies,
726 arizona->core_supplies);
727 }
728
3cc72986
MB		 729 return 0;
730}
731#endif
732
dc781d0e 733#ifdef CONFIG_PM_SLEEP
67c99296
MB		 734static int arizona_suspend(struct device *dev)
735{
736 struct arizona *arizona = dev_get_drvdata(dev);
737
738 dev_dbg(arizona->dev, "Suspend, disabling IRQ\n");
739 disable_irq(arizona->irq);
740
741 return 0;
742}
743
3612b27c 744static int arizona_suspend_noirq(struct device *dev)
67c99296
MB		 745{
746 struct arizona *arizona = dev_get_drvdata(dev);
747
748 dev_dbg(arizona->dev, "Late suspend, reenabling IRQ\n");
749 enable_irq(arizona->irq);
750
751 return 0;
752}
753
dc781d0e
MB		 754static int arizona_resume_noirq(struct device *dev)
755{
756 struct arizona *arizona = dev_get_drvdata(dev);
757
758 dev_dbg(arizona->dev, "Early resume, disabling IRQ\n");
759 disable_irq(arizona->irq);
760
761 return 0;
762}
763
764static int arizona_resume(struct device *dev)
765{
766 struct arizona *arizona = dev_get_drvdata(dev);
767
3612b27c 768 dev_dbg(arizona->dev, "Resume, reenabling IRQ\n");
dc781d0e
MB		 769 enable_irq(arizona->irq);
770
771 return 0;
772}
773#endif
774
3cc72986
MB		 775const struct dev_pm_ops arizona_pm_ops = {
776 SET_RUNTIME_PM_OPS(arizona_runtime_suspend,
777 arizona_runtime_resume,
778 NULL)
67c99296 779 SET_SYSTEM_SLEEP_PM_OPS(arizona_suspend, arizona_resume)
3612b27c
CK		 780 SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(arizona_suspend_noirq,
781 arizona_resume_noirq)
3cc72986
MB		 782};
783EXPORT_SYMBOL_GPL(arizona_pm_ops);
784
d781009c 785#ifdef CONFIG_OF
942786e6 786unsigned long arizona_of_get_type(struct device *dev)
d781009c
MB		 787{
788 const struct of_device_id *id = of_match_device(arizona_of_match, dev);
789
790 if (id)
942786e6 791 return (unsigned long)id->data;
d781009c
MB		 792 else
793 return 0;
794}
795EXPORT_SYMBOL_GPL(arizona_of_get_type);
796
797static int arizona_of_get_core_pdata(struct arizona *arizona)
798{
e4fcb1d6 799 struct arizona_pdata *pdata = &arizona->pdata;
cc47aed9
IS		 800 struct property *prop;
801 const __be32 *cur;
802 u32 val;
f4c05262 803 u32 pdm_val[ARIZONA_MAX_PDM_SPK];
d781009c 804 int ret, i;
cc47aed9 805 int count = 0;
d781009c 806
1961531d 807 pdata->reset = of_get_named_gpio(arizona->dev->of_node, "wlf,reset", 0);
b8d336ed
CK		 808 if (pdata->reset == -EPROBE_DEFER) {
809 return pdata->reset;
810 } else if (pdata->reset < 0) {
1961531d
CK		 811 dev_err(arizona->dev, "Reset GPIO missing/malformed: %d\n",
812 pdata->reset);
813
814 pdata->reset = 0;
815 }
d781009c
MB		 816
817 ret = of_property_read_u32_array(arizona->dev->of_node,
818 "wlf,gpio-defaults",
3762aede
CK		 819 pdata->gpio_defaults,
820 ARRAY_SIZE(pdata->gpio_defaults));
d781009c
MB		 821 if (ret >= 0) {
822 /*
823 * All values are literal except out of range values
824 * which are chip default, translate into platform
825 * data which uses 0 as chip default and out of range
826 * as zero.
827 */
3762aede
CK		 828 for (i = 0; i < ARRAY_SIZE(pdata->gpio_defaults); i++) {
829 if (pdata->gpio_defaults[i] > 0xffff)
830 pdata->gpio_defaults[i] = 0;
831 else if (pdata->gpio_defaults[i] == 0)
832 pdata->gpio_defaults[i] = 0x10000;
d781009c
MB		 833 }
834 } else {
835 dev_err(arizona->dev, "Failed to parse GPIO defaults: %d\n",
836 ret);
837 }
838
cc47aed9
IS		 839 of_property_for_each_u32(arizona->dev->of_node, "wlf,inmode", prop,
840 cur, val) {
3762aede 841 if (count == ARRAY_SIZE(pdata->inmode))
cc47aed9
IS		 842 break;
843
3762aede 844 pdata->inmode[count] = val;
cc47aed9
IS		 845 count++;
846 }
847
e7ad27ca
CK		 848 count = 0;
849 of_property_for_each_u32(arizona->dev->of_node, "wlf,dmic-ref", prop,
850 cur, val) {
3762aede 851 if (count == ARRAY_SIZE(pdata->dmic_ref))
e7ad27ca
CK		 852 break;
853
3762aede 854 pdata->dmic_ref[count] = val;
e7ad27ca
CK		 855 count++;
856 }
857
f199d393
CK		 858 count = 0;
859 of_property_for_each_u32(arizona->dev->of_node, "wlf,out-mono", prop,
860 cur, val) {
861 if (count == ARRAY_SIZE(pdata->out_mono))
862 break;
863
864 pdata->out_mono[count] = !!val;
865 count++;
866 }
867
f4c05262
RF		 868 count = 0;
869 of_property_for_each_u32(arizona->dev->of_node,
870 "wlf,max-channels-clocked",
871 prop, cur, val) {
872 if (count == ARRAY_SIZE(pdata->max_channels_clocked))
873 break;
874
875 pdata->max_channels_clocked[count] = val;
876 count++;
877 }
878
879 ret = of_property_read_u32_array(arizona->dev->of_node,
880 "wlf,spk-fmt",
881 pdm_val,
882 ARRAY_SIZE(pdm_val));
883
884 if (ret >= 0)
885 for (count = 0; count < ARRAY_SIZE(pdata->spk_fmt); ++count)
886 pdata->spk_fmt[count] = pdm_val[count];
887
888 ret = of_property_read_u32_array(arizona->dev->of_node,
889 "wlf,spk-mute",
890 pdm_val,
891 ARRAY_SIZE(pdm_val));
892
893 if (ret >= 0)
894 for (count = 0; count < ARRAY_SIZE(pdata->spk_mute); ++count)
895 pdata->spk_mute[count] = pdm_val[count];
896
d781009c
MB		 897 return 0;
898}
899
900const struct of_device_id arizona_of_match[] = {
901 { .compatible = "wlf,wm5102", .data = (void *)WM5102 },
902 { .compatible = "wlf,wm5110", .data = (void *)WM5110 },
e5d4ef0d 903 { .compatible = "wlf,wm8280", .data = (void *)WM8280 },
dc7d4863 904 { .compatible = "wlf,wm8997", .data = (void *)WM8997 },
6887b042
RF		 905 { .compatible = "wlf,wm8998", .data = (void *)WM8998 },
906 { .compatible = "wlf,wm1814", .data = (void *)WM1814 },
ea1f3339
RF		 907 { .compatible = "wlf,wm1831", .data = (void *)WM1831 },
908 { .compatible = "cirrus,cs47l24", .data = (void *)CS47L24 },
d781009c
MB		 909 {},
910};
911EXPORT_SYMBOL_GPL(arizona_of_match);
912#else
913static inline int arizona_of_get_core_pdata(struct arizona *arizona)
914{
915 return 0;
916}
917#endif
918
5ac98553 919static const struct mfd_cell early_devs[] = {
3cc72986
MB		 920 { .name = "arizona-ldo1" },
921};
922
3762aede 923static const char * const wm5102_supplies[] = {
5fc6c396 924 "MICVDD",
32dadef2
CK		 925 "DBVDD2",
926 "DBVDD3",
927 "CPVDD",
928 "SPKVDDL",
929 "SPKVDDR",
930};
931
5ac98553 932static const struct mfd_cell wm5102_devs[] = {
d7768111 933 { .name = "arizona-micsupp" },
f83c218c 934 { .name = "arizona-gpio" },
5fc6c396
CK		 935 {
936 .name = "arizona-extcon",
937 .parent_supplies = wm5102_supplies,
938 .num_parent_supplies = 1, /* We only need MICVDD */
939 },
503b1cac 940 { .name = "arizona-haptics" },
3cc72986 941 { .name = "arizona-pwm" },
32dadef2
CK		 942 {
943 .name = "wm5102-codec",
944 .parent_supplies = wm5102_supplies,
945 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
946 },
3cc72986
MB		 947};
948
5ac98553 949static const struct mfd_cell wm5110_devs[] = {
d7768111 950 { .name = "arizona-micsupp" },
f83c218c 951 { .name = "arizona-gpio" },
5fc6c396
CK		 952 {
953 .name = "arizona-extcon",
954 .parent_supplies = wm5102_supplies,
955 .num_parent_supplies = 1, /* We only need MICVDD */
956 },
503b1cac 957 { .name = "arizona-haptics" },
e102befe 958 { .name = "arizona-pwm" },
32dadef2
CK		 959 {
960 .name = "wm5110-codec",
961 .parent_supplies = wm5102_supplies,
962 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
963 },
964};
965
ea1f3339
RF		 966static const char * const cs47l24_supplies[] = {
967 "MICVDD",
968 "CPVDD",
969 "SPKVDD",
970};
971
972static const struct mfd_cell cs47l24_devs[] = {
973 { .name = "arizona-gpio" },
974 { .name = "arizona-haptics" },
975 { .name = "arizona-pwm" },
976 {
977 .name = "cs47l24-codec",
978 .parent_supplies = cs47l24_supplies,
979 .num_parent_supplies = ARRAY_SIZE(cs47l24_supplies),
980 },
981};
982
3762aede 983static const char * const wm8997_supplies[] = {
996c2d4f 984 "MICVDD",
32dadef2
CK		 985 "DBVDD2",
986 "CPVDD",
987 "SPKVDD",
e102befe
MB		 988};
989
5ac98553 990static const struct mfd_cell wm8997_devs[] = {
dc7d4863 991 { .name = "arizona-micsupp" },
f83c218c 992 { .name = "arizona-gpio" },
5fc6c396
CK		 993 {
994 .name = "arizona-extcon",
995 .parent_supplies = wm8997_supplies,
996 .num_parent_supplies = 1, /* We only need MICVDD */
997 },
dc7d4863
CK		 998 { .name = "arizona-haptics" },
999 { .name = "arizona-pwm" },
32dadef2
CK		 1000 {
1001 .name = "wm8997-codec",
1002 .parent_supplies = wm8997_supplies,
1003 .num_parent_supplies = ARRAY_SIZE(wm8997_supplies),
1004 },
dc7d4863
CK		 1005};
1006
6887b042 1007static const struct mfd_cell wm8998_devs[] = {
f83c218c
CK		 1008 { .name = "arizona-micsupp" },
1009 { .name = "arizona-gpio" },
6887b042
RF		 1010 {
1011 .name = "arizona-extcon",
1012 .parent_supplies = wm5102_supplies,
1013 .num_parent_supplies = 1, /* We only need MICVDD */
1014 },
6887b042
RF		 1015 { .name = "arizona-haptics" },
1016 { .name = "arizona-pwm" },
1017 {
1018 .name = "wm8998-codec",
1019 .parent_supplies = wm5102_supplies,
1020 .num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
1021 },
6887b042
RF		 1022};
1023
f791be49 1024int arizona_dev_init(struct arizona *arizona)
3cc72986 1025{
cdd8da8c 1026 const char * const mclk_name[] = { "mclk1", "mclk2" };
3cc72986 1027 struct device *dev = arizona->dev;
ea1f3339 1028 const char *type_name = NULL;
6887b042 1029 unsigned int reg, val, mask;
62d62b59 1030 int (*apply_patch)(struct arizona *) = NULL;
ae05ea36
RF		 1031 const struct mfd_cell *subdevs = NULL;
1032 int n_subdevs, ret, i;
3cc72986
MB		 1033
1034 dev_set_drvdata(arizona->dev, arizona);
1035 mutex_init(&arizona->clk_lock);
1036
b8d336ed 1037 if (dev_get_platdata(arizona->dev)) {
3cc72986
MB		 1038 memcpy(&arizona->pdata, dev_get_platdata(arizona->dev),
1039 sizeof(arizona->pdata));
b8d336ed
CK		 1040 } else {
1041 ret = arizona_of_get_core_pdata(arizona);
1042 if (ret < 0)
1043 return ret;
1044 }
3cc72986 1045
cdd8da8c
SN		 1046 BUILD_BUG_ON(ARRAY_SIZE(arizona->mclk) != ARRAY_SIZE(mclk_name));
1047 for (i = 0; i < ARRAY_SIZE(arizona->mclk); i++) {
1048 arizona->mclk[i] = devm_clk_get(arizona->dev, mclk_name[i]);
1049 if (IS_ERR(arizona->mclk[i])) {
1050 dev_info(arizona->dev, "Failed to get %s: %ld\n",
1051 mclk_name[i], PTR_ERR(arizona->mclk[i]));
1052 arizona->mclk[i] = NULL;
1053 }
1054 }
1055
3cc72986
MB		 1056 regcache_cache_only(arizona->regmap, true);
1057
1058 switch (arizona->type) {
1059 case WM5102:
e102befe 1060 case WM5110:
e5d4ef0d 1061 case WM8280:
dc7d4863 1062 case WM8997:
6887b042
RF		 1063 case WM8998:
1064 case WM1814:
ea1f3339
RF		 1065 case WM1831:
1066 case CS47L24:
3cc72986
MB		 1067 for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)
1068 arizona->core_supplies[i].supply
1069 = wm5102_core_supplies[i];
1070 arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies);
1071 break;
1072 default:
1073 dev_err(arizona->dev, "Unknown device type %d\n",
1074 arizona->type);
75d8a2b0 1075 return -ENODEV;
3cc72986
MB		 1076 }
1077
4a8c475f
CK		 1078 /* Mark DCVDD as external, LDO1 driver will clear if internal */
1079 arizona->external_dcvdd = true;
1080
ea1f3339
RF		 1081 switch (arizona->type) {
1082 case WM1831:
1083 case CS47L24:
1084 break; /* No LDO1 regulator */
1085 default:
1086 ret = mfd_add_devices(arizona->dev, -1, early_devs,
1087 ARRAY_SIZE(early_devs), NULL, 0, NULL);
1088 if (ret != 0) {
1089 dev_err(dev, "Failed to add early children: %d\n", ret);
1090 return ret;
1091 }
1092 break;
3cc72986
MB		 1093 }
1094
1095 ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies,
1096 arizona->core_supplies);
1097 if (ret != 0) {
1098 dev_err(dev, "Failed to request core supplies: %d\n",
1099 ret);
1100 goto err_early;
1101 }
1102
0c2d0ffb
CK		 1103 /**
1104 * Don't use devres here because the only device we have to get
1105 * against is the MFD device and DCVDD will likely be supplied by
1106 * one of its children. Meaning that the regulator will be
1107 * destroyed by the time devres calls regulator put.
1108 */
e6021511 1109 arizona->dcvdd = regulator_get(arizona->dev, "DCVDD");
59db9691
MB		 1110 if (IS_ERR(arizona->dcvdd)) {
1111 ret = PTR_ERR(arizona->dcvdd);
1112 dev_err(dev, "Failed to request DCVDD: %d\n", ret);
1113 goto err_early;
1114 }
1115
87d3af4a
MB		 1116 if (arizona->pdata.reset) {
1117 /* Start out with /RESET low to put the chip into reset */
5f056bf0
CK		 1118 ret = devm_gpio_request_one(arizona->dev, arizona->pdata.reset,
1119 GPIOF_DIR_OUT | GPIOF_INIT_LOW,
1120 "arizona /RESET");
87d3af4a
MB		 1121 if (ret != 0) {
1122 dev_err(dev, "Failed to request /RESET: %d\n", ret);
e6021511 1123 goto err_dcvdd;
87d3af4a
MB		 1124 }
1125 }
1126
3cc72986
MB		 1127 ret = regulator_bulk_enable(arizona->num_core_supplies,
1128 arizona->core_supplies);
1129 if (ret != 0) {
1130 dev_err(dev, "Failed to enable core supplies: %d\n",
1131 ret);
e6021511 1132 goto err_dcvdd;
3cc72986
MB		 1133 }
1134
59db9691
MB		 1135 ret = regulator_enable(arizona->dcvdd);
1136 if (ret != 0) {
1137 dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
1138 goto err_enable;
1139 }
1140
2229875d 1141 arizona_disable_reset(arizona);
3cc72986 1142
3cc72986
MB		 1143 regcache_cache_only(arizona->regmap, false);
1144
ca76ceb8 1145 /* Verify that this is a chip we know about */
3cc72986
MB		 1146 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
1147 if (ret != 0) {
1148 dev_err(dev, "Failed to read ID register: %d\n", ret);
59db9691 1149 goto err_reset;
3cc72986
MB		 1150 }
1151
3cc72986
MB		 1152 switch (reg) {
1153 case 0x5102:
e102befe 1154 case 0x5110:
6887b042 1155 case 0x6349:
ea1f3339 1156 case 0x6363:
dc7d4863 1157 case 0x8997:
e102befe 1158 break;
3cc72986 1159 default:
ca76ceb8 1160 dev_err(arizona->dev, "Unknown device ID: %x\n", reg);
75d8a2b0 1161 ret = -ENODEV;
59db9691 1162 goto err_reset;
3cc72986
MB		 1163 }
1164
3cc72986
MB		 1165 /* If we have a /RESET GPIO we'll already be reset */
1166 if (!arizona->pdata.reset) {
1167 ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
1168 if (ret != 0) {
1169 dev_err(dev, "Failed to reset device: %d\n", ret);
59db9691 1170 goto err_reset;
3cc72986 1171 }
46b9d13a 1172
b79a980f 1173 usleep_range(1000, 5000);
3cc72986
MB		 1174 }
1175
ca76ceb8 1176 /* Ensure device startup is complete */
d955cba8
CK		 1177 switch (arizona->type) {
1178 case WM5102:
48018943
MB		 1179 ret = regmap_read(arizona->regmap,
1180 ARIZONA_WRITE_SEQUENCER_CTRL_3, &val);
1c1c6bba 1181 if (ret) {
d955cba8
CK		 1182 dev_err(dev,
1183 "Failed to check write sequencer state: %d\n",
1184 ret);
1c1c6bba
CK		 1185 } else if (val & 0x01) {
1186 ret = wm5102_clear_write_sequencer(arizona);
1187 if (ret)
1188 return ret;
d955cba8
CK		 1189 }
1190 break;
1c1c6bba
CK		 1191 default:
1192 break;
1193 }
1194
1195 ret = arizona_wait_for_boot(arizona);
1196 if (ret) {
1197 dev_err(arizona->dev, "Device failed initial boot: %d\n", ret);
1198 goto err_reset;
af65a361 1199 }
3cc72986 1200
ca76ceb8
MB		 1201 /* Read the device ID information & do device specific stuff */
1202 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
1203 if (ret != 0) {
1204 dev_err(dev, "Failed to read ID register: %d\n", ret);
1205 goto err_reset;
1206 }
1207
1208 ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION,
1209 &arizona->rev);
1210 if (ret != 0) {
1211 dev_err(dev, "Failed to read revision register: %d\n", ret);
1212 goto err_reset;
1213 }
1214 arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;
1215
1216 switch (reg) {
ca76ceb8 1217 case 0x5102:
b61c1ec0
RF		 1218 if (IS_ENABLED(CONFIG_MFD_WM5102)) {
1219 type_name = "WM5102";
1220 if (arizona->type != WM5102) {
1221 dev_warn(arizona->dev,
1222 "WM5102 registered as %d\n",
1223 arizona->type);
1224 arizona->type = WM5102;
1225 }
1226
1227 apply_patch = wm5102_patch;
1228 arizona->rev &= 0x7;
1229 subdevs = wm5102_devs;
1230 n_subdevs = ARRAY_SIZE(wm5102_devs);
ca76ceb8 1231 }
ca76ceb8 1232 break;
ca76ceb8 1233 case 0x5110:
b61c1ec0
RF		 1234 if (IS_ENABLED(CONFIG_MFD_WM5110)) {
1235 switch (arizona->type) {
1236 case WM5110:
1237 type_name = "WM5110";
1238 break;
1239 case WM8280:
1240 type_name = "WM8280";
1241 break;
1242 default:
1243 type_name = "WM5110";
1244 dev_warn(arizona->dev,
1245 "WM5110 registered as %d\n",
1246 arizona->type);
1247 arizona->type = WM5110;
1248 break;
1249 }
1250
1251 apply_patch = wm5110_patch;
1252 subdevs = wm5110_devs;
1253 n_subdevs = ARRAY_SIZE(wm5110_devs);
ca76ceb8 1254 }
ca76ceb8 1255 break;
ea1f3339
RF		 1256 case 0x6363:
1257 if (IS_ENABLED(CONFIG_MFD_CS47L24)) {
1258 switch (arizona->type) {
1259 case CS47L24:
1260 type_name = "CS47L24";
1261 break;
1262
1263 case WM1831:
1264 type_name = "WM1831";
1265 break;
1266
1267 default:
1268 dev_warn(arizona->dev,
1269 "CS47L24 registered as %d\n",
1270 arizona->type);
1271 arizona->type = CS47L24;
1272 break;
1273 }
1274
1275 apply_patch = cs47l24_patch;
1276 subdevs = cs47l24_devs;
1277 n_subdevs = ARRAY_SIZE(cs47l24_devs);
1278 }
1279 break;
dc7d4863 1280 case 0x8997:
b61c1ec0
RF		 1281 if (IS_ENABLED(CONFIG_MFD_WM8997)) {
1282 type_name = "WM8997";
1283 if (arizona->type != WM8997) {
1284 dev_warn(arizona->dev,
1285 "WM8997 registered as %d\n",
1286 arizona->type);
1287 arizona->type = WM8997;
1288 }
1289
1290 apply_patch = wm8997_patch;
1291 subdevs = wm8997_devs;
1292 n_subdevs = ARRAY_SIZE(wm8997_devs);
dc7d4863 1293 }
dc7d4863 1294 break;
6887b042 1295 case 0x6349:
b61c1ec0
RF		 1296 if (IS_ENABLED(CONFIG_MFD_WM8998)) {
1297 switch (arizona->type) {
1298 case WM8998:
1299 type_name = "WM8998";
1300 break;
1301
1302 case WM1814:
1303 type_name = "WM1814";
1304 break;
1305
1306 default:
1307 type_name = "WM8998";
1308 dev_warn(arizona->dev,
1309 "WM8998 registered as %d\n",
1310 arizona->type);
1311 arizona->type = WM8998;
1312 }
6887b042 1313
b61c1ec0
RF		 1314 apply_patch = wm8998_patch;
1315 subdevs = wm8998_devs;
1316 n_subdevs = ARRAY_SIZE(wm8998_devs);
6887b042 1317 }
6887b042 1318 break;
ca76ceb8
MB		 1319 default:
1320 dev_err(arizona->dev, "Unknown device ID %x\n", reg);
75d8a2b0 1321 ret = -ENODEV;
ca76ceb8
MB		 1322 goto err_reset;
1323 }
1324
b61c1ec0
RF		 1325 if (!subdevs) {
1326 dev_err(arizona->dev,
1327 "No kernel support for device ID %x\n", reg);
75d8a2b0 1328 ret = -ENODEV;
b61c1ec0
RF		 1329 goto err_reset;
1330 }
1331
ca76ceb8
MB		 1332 dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');
1333
62d62b59
MB		 1334 if (apply_patch) {
1335 ret = apply_patch(arizona);
1336 if (ret != 0) {
1337 dev_err(arizona->dev, "Failed to apply patch: %d\n",
1338 ret);
1339 goto err_reset;
1340 }
e80436bb
CK		 1341
1342 switch (arizona->type) {
1343 case WM5102:
0be068a0
CK		 1344 ret = wm5102_apply_hardware_patch(arizona);
1345 if (ret) {
e80436bb
CK		 1346 dev_err(arizona->dev,
1347 "Failed to apply hardware patch: %d\n",
1348 ret);
1349 goto err_reset;
1350 }
1351 break;
882bc468
CK		 1352 case WM5110:
1353 case WM8280:
1354 ret = wm5110_apply_sleep_patch(arizona);
1355 if (ret) {
1356 dev_err(arizona->dev,
1357 "Failed to apply sleep patch: %d\n",
1358 ret);
1359 goto err_reset;
1360 }
1361 break;
e80436bb
CK		 1362 default:
1363 break;
1364 }
62d62b59
MB		 1365 }
1366
3cc72986
MB		 1367 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
1368 if (!arizona->pdata.gpio_defaults[i])
1369 continue;
1370
1371 regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i,
1372 arizona->pdata.gpio_defaults[i]);
1373 }
1374
3cc72986
MB		 1375 /* Chip default */
1376 if (!arizona->pdata.clk32k_src)
1377 arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2;
1378
1379 switch (arizona->pdata.clk32k_src) {
1380 case ARIZONA_32KZ_MCLK1:
1381 case ARIZONA_32KZ_MCLK2:
1382 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
1383 ARIZONA_CLK_32K_SRC_MASK,
1384 arizona->pdata.clk32k_src - 1);
767c6dc0 1385 arizona_clk32k_enable(arizona);
3cc72986
MB		 1386 break;
1387 case ARIZONA_32KZ_NONE:
1388 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
1389 ARIZONA_CLK_32K_SRC_MASK, 2);
1390 break;
1391 default:
1392 dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n",
1393 arizona->pdata.clk32k_src);
1394 ret = -EINVAL;
59db9691 1395 goto err_reset;
3cc72986
MB		 1396 }
1397
3d91f828 1398 for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) {
544c7aad
MB		 1399 if (!arizona->pdata.micbias[i].mV &&
1400 !arizona->pdata.micbias[i].bypass)
3d91f828
MB		 1401 continue;
1402
544c7aad
MB		 1403 /* Apply default for bypass mode */
1404 if (!arizona->pdata.micbias[i].mV)
1405 arizona->pdata.micbias[i].mV = 2800;
1406
3d91f828 1407 val = (arizona->pdata.micbias[i].mV - 1500) / 100;
544c7aad 1408
3d91f828
MB		 1409 val <<= ARIZONA_MICB1_LVL_SHIFT;
1410
1411 if (arizona->pdata.micbias[i].ext_cap)
1412 val |= ARIZONA_MICB1_EXT_CAP;
1413
1414 if (arizona->pdata.micbias[i].discharge)
1415 val |= ARIZONA_MICB1_DISCH;
1416
f773fc6d 1417 if (arizona->pdata.micbias[i].soft_start)
3d91f828
MB		 1418 val |= ARIZONA_MICB1_RATE;
1419
544c7aad
MB		 1420 if (arizona->pdata.micbias[i].bypass)
1421 val |= ARIZONA_MICB1_BYPASS;
1422
3d91f828
MB		 1423 regmap_update_bits(arizona->regmap,
1424 ARIZONA_MIC_BIAS_CTRL_1 + i,
1425 ARIZONA_MICB1_LVL_MASK |
71d134b9 1426 ARIZONA_MICB1_EXT_CAP |
3d91f828 1427 ARIZONA_MICB1_DISCH |
544c7aad 1428 ARIZONA_MICB1_BYPASS |
3d91f828
MB		 1429 ARIZONA_MICB1_RATE, val);
1430 }
1431
3cc72986
MB		 1432 for (i = 0; i < ARIZONA_MAX_INPUT; i++) {
1433 /* Default for both is 0 so noop with defaults */
1434 val = arizona->pdata.dmic_ref[i]
1435 << ARIZONA_IN1_DMIC_SUP_SHIFT;
fc027d13
RF		 1436 if (arizona->pdata.inmode[i] & ARIZONA_INMODE_DMIC)
1437 val |= 1 << ARIZONA_IN1_MODE_SHIFT;
6887b042
RF		 1438
1439 switch (arizona->type) {
1440 case WM8998:
1441 case WM1814:
1442 regmap_update_bits(arizona->regmap,
1443 ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 8),
1444 ARIZONA_IN1L_SRC_SE_MASK,
1445 (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1446 << ARIZONA_IN1L_SRC_SE_SHIFT);
1447
1448 regmap_update_bits(arizona->regmap,
1449 ARIZONA_ADC_DIGITAL_VOLUME_1R + (i * 8),
1450 ARIZONA_IN1R_SRC_SE_MASK,
1451 (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1452 << ARIZONA_IN1R_SRC_SE_SHIFT);
1453
1454 mask = ARIZONA_IN1_DMIC_SUP_MASK |
1455 ARIZONA_IN1_MODE_MASK;
1456 break;
1457 default:
1458 if (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
1459 val |= 1 << ARIZONA_IN1_SINGLE_ENDED_SHIFT;
1460
1461 mask = ARIZONA_IN1_DMIC_SUP_MASK |
1462 ARIZONA_IN1_MODE_MASK |
1463 ARIZONA_IN1_SINGLE_ENDED_MASK;
1464 break;
1465 }
3cc72986
MB		 1466
1467 regmap_update_bits(arizona->regmap,
1468 ARIZONA_IN1L_CONTROL + (i * 8),
6887b042 1469 mask, val);
3cc72986
MB		 1470 }
1471
1472 for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) {
1473 /* Default is 0 so noop with defaults */
1474 if (arizona->pdata.out_mono[i])
1475 val = ARIZONA_OUT1_MONO;
1476 else
1477 val = 0;
1478
1479 regmap_update_bits(arizona->regmap,
1480 ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8),
1481 ARIZONA_OUT1_MONO, val);
1482 }
1483
3cc72986
MB		 1484 for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) {
1485 if (arizona->pdata.spk_mute[i])
1486 regmap_update_bits(arizona->regmap,
2a51da04 1487 ARIZONA_PDM_SPK1_CTRL_1 + (i * 2),
3cc72986
MB		 1488 ARIZONA_SPK1_MUTE_ENDIAN_MASK |
1489 ARIZONA_SPK1_MUTE_SEQ1_MASK,
1490 arizona->pdata.spk_mute[i]);
1491
1492 if (arizona->pdata.spk_fmt[i])
1493 regmap_update_bits(arizona->regmap,
2a51da04 1494 ARIZONA_PDM_SPK1_CTRL_2 + (i * 2),
3cc72986
MB		 1495 ARIZONA_SPK1_FMT_MASK,
1496 arizona->pdata.spk_fmt[i]);
1497 }
1498
72e43164
CK		 1499 pm_runtime_set_active(arizona->dev);
1500 pm_runtime_enable(arizona->dev);
1501
3cc72986
MB		 1502 /* Set up for interrupts */
1503 ret = arizona_irq_init(arizona);
1504 if (ret != 0)
d347792c 1505 goto err_pm;
3cc72986 1506
72e43164
CK		 1507 pm_runtime_set_autosuspend_delay(arizona->dev, 100);
1508 pm_runtime_use_autosuspend(arizona->dev);
1509
3cc72986
MB		 1510 arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error",
1511 arizona_clkgen_err, arizona);
1512 arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked",
1513 arizona_overclocked, arizona);
1514 arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked",
1515 arizona_underclocked, arizona);
1516
ae05ea36
RF		 1517 ret = mfd_add_devices(arizona->dev, PLATFORM_DEVID_NONE,
1518 subdevs, n_subdevs, NULL, 0, NULL);
3cc72986 1519
ae05ea36 1520 if (ret) {
3cc72986
MB		 1521 dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
1522 goto err_irq;
1523 }
1524
1525 return 0;
1526
1527err_irq:
1528 arizona_irq_exit(arizona);
d347792c
CK		 1529err_pm:
1530 pm_runtime_disable(arizona->dev);
3cc72986 1531err_reset:
2229875d 1532 arizona_enable_reset(arizona);
59db9691 1533 regulator_disable(arizona->dcvdd);
3cc72986 1534err_enable:
3a36a0db 1535 regulator_bulk_disable(arizona->num_core_supplies,
3cc72986 1536 arizona->core_supplies);
e6021511
CK		 1537err_dcvdd:
1538 regulator_put(arizona->dcvdd);
3cc72986
MB		 1539err_early:
1540 mfd_remove_devices(dev);
1541 return ret;
1542}
1543EXPORT_SYMBOL_GPL(arizona_dev_init);
1544
4740f73f 1545int arizona_dev_exit(struct arizona *arizona)
3cc72986 1546{
fb36f77e 1547 disable_irq(arizona->irq);
b804020a
CK		 1548 pm_runtime_disable(arizona->dev);
1549
df6b3352 1550 regulator_disable(arizona->dcvdd);
e6021511 1551 regulator_put(arizona->dcvdd);
df6b3352 1552
3cc72986
MB		 1553 mfd_remove_devices(arizona->dev);
1554 arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
1555 arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
1556 arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona);
3cc72986 1557 arizona_irq_exit(arizona);
2229875d 1558 arizona_enable_reset(arizona);
df6b3352 1559
4420286e 1560 regulator_bulk_disable(arizona->num_core_supplies,
1d017b6b 1561 arizona->core_supplies);
3cc72986
MB		 1562 return 0;
1563}
1564EXPORT_SYMBOL_GPL(arizona_dev_exit);
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