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mfd: arizona: Add missing cleanup on remove
[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>
19#include <linux/pm_runtime.h>
20#include <linux/regmap.h>
21#include <linux/regulator/consumer.h>
22#include <linux/slab.h>
23
24#include <linux/mfd/arizona/core.h>
25#include <linux/mfd/arizona/registers.h>
26
27#include "arizona.h"
28
29static const char *wm5102_core_supplies[] = {
30 "AVDD",
31 "DBVDD1",
3cc72986
MB		 32};
33
34int arizona_clk32k_enable(struct arizona *arizona)
35{
36 int ret = 0;
37
38 mutex_lock(&arizona->clk_lock);
39
40 arizona->clk32k_ref++;
41
247fa192
MB		 42 if (arizona->clk32k_ref == 1) {
43 switch (arizona->pdata.clk32k_src) {
44 case ARIZONA_32KZ_MCLK1:
45 ret = pm_runtime_get_sync(arizona->dev);
46 if (ret != 0)
47 goto out;
48 break;
49 }
50
3cc72986
MB		 51 ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
52 ARIZONA_CLK_32K_ENA,
53 ARIZONA_CLK_32K_ENA);
247fa192 54 }
3cc72986 55
247fa192 56out:
3cc72986
MB		 57 if (ret != 0)
58 arizona->clk32k_ref--;
59
60 mutex_unlock(&arizona->clk_lock);
61
62 return ret;
63}
64EXPORT_SYMBOL_GPL(arizona_clk32k_enable);
65
66int arizona_clk32k_disable(struct arizona *arizona)
67{
68 int ret = 0;
69
70 mutex_lock(&arizona->clk_lock);
71
72 BUG_ON(arizona->clk32k_ref <= 0);
73
74 arizona->clk32k_ref--;
75
247fa192 76 if (arizona->clk32k_ref == 0) {
3cc72986
MB		 77 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
78 ARIZONA_CLK_32K_ENA, 0);
79
247fa192
MB		 80 switch (arizona->pdata.clk32k_src) {
81 case ARIZONA_32KZ_MCLK1:
82 pm_runtime_put_sync(arizona->dev);
83 break;
84 }
85 }
86
3cc72986
MB		 87 mutex_unlock(&arizona->clk_lock);
88
89 return ret;
90}
91EXPORT_SYMBOL_GPL(arizona_clk32k_disable);
92
93static irqreturn_t arizona_clkgen_err(int irq, void *data)
94{
95 struct arizona *arizona = data;
96
97 dev_err(arizona->dev, "CLKGEN error\n");
98
99 return IRQ_HANDLED;
100}
101
102static irqreturn_t arizona_underclocked(int irq, void *data)
103{
104 struct arizona *arizona = data;
105 unsigned int val;
106 int ret;
107
108 ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8,
109 &val);
110 if (ret != 0) {
111 dev_err(arizona->dev, "Failed to read underclock status: %d\n",
112 ret);
113 return IRQ_NONE;
114 }
115
3cc72986
MB		 116 if (val & ARIZONA_AIF3_UNDERCLOCKED_STS)
117 dev_err(arizona->dev, "AIF3 underclocked\n");
118 if (val & ARIZONA_AIF2_UNDERCLOCKED_STS)
3ebef34d
CK		 119 dev_err(arizona->dev, "AIF2 underclocked\n");
120 if (val & ARIZONA_AIF1_UNDERCLOCKED_STS)
3cc72986
MB		 121 dev_err(arizona->dev, "AIF1 underclocked\n");
122 if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS)
123 dev_err(arizona->dev, "ISRC2 underclocked\n");
124 if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS)
125 dev_err(arizona->dev, "ISRC1 underclocked\n");
126 if (val & ARIZONA_FX_UNDERCLOCKED_STS)
127 dev_err(arizona->dev, "FX underclocked\n");
128 if (val & ARIZONA_ASRC_UNDERCLOCKED_STS)
129 dev_err(arizona->dev, "ASRC underclocked\n");
130 if (val & ARIZONA_DAC_UNDERCLOCKED_STS)
131 dev_err(arizona->dev, "DAC underclocked\n");
132 if (val & ARIZONA_ADC_UNDERCLOCKED_STS)
133 dev_err(arizona->dev, "ADC underclocked\n");
134 if (val & ARIZONA_MIXER_UNDERCLOCKED_STS)
648a9880 135 dev_err(arizona->dev, "Mixer dropped sample\n");
3cc72986
MB		 136
137 return IRQ_HANDLED;
138}
139
140static irqreturn_t arizona_overclocked(int irq, void *data)
141{
142 struct arizona *arizona = data;
143 unsigned int val[2];
144 int ret;
145
146 ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6,
147 &val[0], 2);
148 if (ret != 0) {
149 dev_err(arizona->dev, "Failed to read overclock status: %d\n",
150 ret);
151 return IRQ_NONE;
152 }
153
154 if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS)
155 dev_err(arizona->dev, "PWM overclocked\n");
156 if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS)
157 dev_err(arizona->dev, "FX core overclocked\n");
158 if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS)
159 dev_err(arizona->dev, "DAC SYS overclocked\n");
160 if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS)
161 dev_err(arizona->dev, "DAC WARP overclocked\n");
162 if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS)
163 dev_err(arizona->dev, "ADC overclocked\n");
164 if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS)
165 dev_err(arizona->dev, "Mixer overclocked\n");
166 if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS)
167 dev_err(arizona->dev, "AIF3 overclocked\n");
168 if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS)
169 dev_err(arizona->dev, "AIF2 overclocked\n");
170 if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS)
171 dev_err(arizona->dev, "AIF1 overclocked\n");
172 if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS)
173 dev_err(arizona->dev, "Pad control overclocked\n");
174
175 if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS)
176 dev_err(arizona->dev, "Slimbus subsystem overclocked\n");
177 if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS)
178 dev_err(arizona->dev, "Slimbus async overclocked\n");
179 if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS)
180 dev_err(arizona->dev, "Slimbus sync overclocked\n");
181 if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS)
182 dev_err(arizona->dev, "ASRC async system overclocked\n");
183 if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS)
184 dev_err(arizona->dev, "ASRC async WARP overclocked\n");
185 if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS)
186 dev_err(arizona->dev, "ASRC sync system overclocked\n");
187 if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS)
188 dev_err(arizona->dev, "ASRC sync WARP overclocked\n");
189 if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS)
190 dev_err(arizona->dev, "DSP1 overclocked\n");
191 if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS)
192 dev_err(arizona->dev, "ISRC2 overclocked\n");
193 if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS)
194 dev_err(arizona->dev, "ISRC1 overclocked\n");
195
196 return IRQ_HANDLED;
197}
198
9d53dfdc
CK		 199static int arizona_poll_reg(struct arizona *arizona,
200 int timeout, unsigned int reg,
201 unsigned int mask, unsigned int target)
3cc72986 202{
9d53dfdc 203 unsigned int val = 0;
3cc72986
MB		 204 int ret, i;
205
9d53dfdc
CK		 206 for (i = 0; i < timeout; i++) {
207 ret = regmap_read(arizona->regmap, reg, &val);
3cc72986 208 if (ret != 0) {
9d53dfdc
CK		 209 dev_err(arizona->dev, "Failed to read reg %u: %d\n",
210 reg, ret);
cfe775ce 211 continue;
3cc72986
MB		 212 }
213
9d53dfdc
CK		 214 if ((val & mask) == target)
215 return 0;
216
217 msleep(1);
3cc72986
MB		 218 }
219
9d53dfdc
CK		 220 dev_err(arizona->dev, "Polling reg %u timed out: %x\n", reg, val);
221 return -ETIMEDOUT;
222}
223
224static int arizona_wait_for_boot(struct arizona *arizona)
225{
226 int ret;
227
228 /*
229 * We can't use an interrupt as we need to runtime resume to do so,
230 * we won't race with the interrupt handler as it'll be blocked on
231 * runtime resume.
232 */
233 ret = arizona_poll_reg(arizona, 5, ARIZONA_INTERRUPT_RAW_STATUS_5,
234 ARIZONA_BOOT_DONE_STS, ARIZONA_BOOT_DONE_STS);
235
236 if (!ret)
3cc72986
MB		 237 regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5,
238 ARIZONA_BOOT_DONE_STS);
3cc72986
MB		 239
240 pm_runtime_mark_last_busy(arizona->dev);
241
9d53dfdc 242 return ret;
3cc72986
MB		 243}
244
e80436bb
CK		 245static int arizona_apply_hardware_patch(struct arizona* arizona)
246{
247 unsigned int fll, sysclk;
248 int ret, err;
249
250 regcache_cache_bypass(arizona->regmap, true);
251
252 /* Cache existing FLL and SYSCLK settings */
253 ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &fll);
254 if (ret != 0) {
255 dev_err(arizona->dev, "Failed to cache FLL settings: %d\n",
256 ret);
257 return ret;
258 }
259 ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, &sysclk);
260 if (ret != 0) {
261 dev_err(arizona->dev, "Failed to cache SYSCLK settings: %d\n",
262 ret);
263 return ret;
264 }
265
266 /* Start up SYSCLK using the FLL in free running mode */
267 ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1,
268 ARIZONA_FLL1_ENA | ARIZONA_FLL1_FREERUN);
269 if (ret != 0) {
270 dev_err(arizona->dev,
271 "Failed to start FLL in freerunning mode: %d\n",
272 ret);
273 return ret;
274 }
275 ret = arizona_poll_reg(arizona, 25, ARIZONA_INTERRUPT_RAW_STATUS_5,
276 ARIZONA_FLL1_CLOCK_OK_STS,
277 ARIZONA_FLL1_CLOCK_OK_STS);
278 if (ret != 0) {
279 ret = -ETIMEDOUT;
280 goto err_fll;
281 }
282
283 ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, 0x0144);
284 if (ret != 0) {
285 dev_err(arizona->dev, "Failed to start SYSCLK: %d\n", ret);
286 goto err_fll;
287 }
288
289 /* Start the write sequencer and wait for it to finish */
290 ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
291 ARIZONA_WSEQ_ENA | ARIZONA_WSEQ_START | 160);
292 if (ret != 0) {
293 dev_err(arizona->dev, "Failed to start write sequencer: %d\n",
294 ret);
295 goto err_sysclk;
296 }
297 ret = arizona_poll_reg(arizona, 5, ARIZONA_WRITE_SEQUENCER_CTRL_1,
298 ARIZONA_WSEQ_BUSY, 0);
299 if (ret != 0) {
300 regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
301 ARIZONA_WSEQ_ABORT);
302 ret = -ETIMEDOUT;
303 }
304
305err_sysclk:
306 err = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, sysclk);
307 if (err != 0) {
308 dev_err(arizona->dev,
309 "Failed to re-apply old SYSCLK settings: %d\n",
310 err);
311 }
312
313err_fll:
314 err = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, fll);
315 if (err != 0) {
316 dev_err(arizona->dev,
317 "Failed to re-apply old FLL settings: %d\n",
318 err);
319 }
320
321 regcache_cache_bypass(arizona->regmap, false);
322
323 if (ret != 0)
324 return ret;
325 else
326 return err;
327}
328
3cc72986
MB		 329#ifdef CONFIG_PM_RUNTIME
330static int arizona_runtime_resume(struct device *dev)
331{
332 struct arizona *arizona = dev_get_drvdata(dev);
333 int ret;
334
508c8299
MB		 335 dev_dbg(arizona->dev, "Leaving AoD mode\n");
336
59db9691
MB		 337 ret = regulator_enable(arizona->dcvdd);
338 if (ret != 0) {
339 dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
340 return ret;
341 }
3cc72986
MB		 342
343 regcache_cache_only(arizona->regmap, false);
344
4c9bb8bc
CK		 345 switch (arizona->type) {
346 case WM5102:
347 ret = wm5102_patch(arizona);
348 if (ret != 0) {
349 dev_err(arizona->dev, "Failed to apply patch: %d\n",
350 ret);
351 goto err;
352 }
e80436bb
CK		 353
354 ret = arizona_apply_hardware_patch(arizona);
355 if (ret != 0) {
356 dev_err(arizona->dev,
357 "Failed to apply hardware patch: %d\n",
358 ret);
359 goto err;
360 }
361 break;
362 default:
12bb68ed
CK		 363 ret = arizona_wait_for_boot(arizona);
364 if (ret != 0) {
365 goto err;
366 }
367
e80436bb 368 break;
4c9bb8bc
CK		 369 }
370
d9d03496
CK		 371 switch (arizona->type) {
372 case WM5102:
373 ret = wm5102_patch(arizona);
374 if (ret != 0) {
375 dev_err(arizona->dev, "Failed to apply patch: %d\n",
376 ret);
377 goto err;
378 }
379 default:
380 break;
381 }
382
9270bdf5
MB		 383 ret = regcache_sync(arizona->regmap);
384 if (ret != 0) {
385 dev_err(arizona->dev, "Failed to restore register cache\n");
4816bd1c 386 goto err;
9270bdf5 387 }
3cc72986
MB		 388
389 return 0;
4816bd1c
MB		 390
391err:
392 regcache_cache_only(arizona->regmap, true);
393 regulator_disable(arizona->dcvdd);
394 return ret;
3cc72986
MB		 395}
396
397static int arizona_runtime_suspend(struct device *dev)
398{
399 struct arizona *arizona = dev_get_drvdata(dev);
400
508c8299
MB		 401 dev_dbg(arizona->dev, "Entering AoD mode\n");
402
59db9691
MB		 403 regulator_disable(arizona->dcvdd);
404 regcache_cache_only(arizona->regmap, true);
405 regcache_mark_dirty(arizona->regmap);
3cc72986
MB		 406
407 return 0;
408}
409#endif
410
dc781d0e
MB		 411#ifdef CONFIG_PM_SLEEP
412static int arizona_resume_noirq(struct device *dev)
413{
414 struct arizona *arizona = dev_get_drvdata(dev);
415
416 dev_dbg(arizona->dev, "Early resume, disabling IRQ\n");
417 disable_irq(arizona->irq);
418
419 return 0;
420}
421
422static int arizona_resume(struct device *dev)
423{
424 struct arizona *arizona = dev_get_drvdata(dev);
425
426 dev_dbg(arizona->dev, "Late resume, reenabling IRQ\n");
427 enable_irq(arizona->irq);
428
429 return 0;
430}
431#endif
432
3cc72986
MB		 433const struct dev_pm_ops arizona_pm_ops = {
434 SET_RUNTIME_PM_OPS(arizona_runtime_suspend,
435 arizona_runtime_resume,
436 NULL)
dc781d0e
MB		 437 SET_SYSTEM_SLEEP_PM_OPS(NULL, arizona_resume)
438#ifdef CONFIG_PM_SLEEP
439 .resume_noirq = arizona_resume_noirq,
440#endif
3cc72986
MB		 441};
442EXPORT_SYMBOL_GPL(arizona_pm_ops);
443
444static struct mfd_cell early_devs[] = {
445 { .name = "arizona-ldo1" },
446};
447
448static struct mfd_cell wm5102_devs[] = {
d7768111 449 { .name = "arizona-micsupp" },
3cc72986
MB		 450 { .name = "arizona-extcon" },
451 { .name = "arizona-gpio" },
503b1cac 452 { .name = "arizona-haptics" },
3cc72986
MB		 453 { .name = "arizona-pwm" },
454 { .name = "wm5102-codec" },
455};
456
e102befe 457static struct mfd_cell wm5110_devs[] = {
d7768111 458 { .name = "arizona-micsupp" },
e102befe
MB		 459 { .name = "arizona-extcon" },
460 { .name = "arizona-gpio" },
503b1cac 461 { .name = "arizona-haptics" },
e102befe
MB		 462 { .name = "arizona-pwm" },
463 { .name = "wm5110-codec" },
464};
465
f791be49 466int arizona_dev_init(struct arizona *arizona)
3cc72986
MB		 467{
468 struct device *dev = arizona->dev;
469 const char *type_name;
470 unsigned int reg, val;
62d62b59 471 int (*apply_patch)(struct arizona *) = NULL;
3cc72986
MB		 472 int ret, i;
473
474 dev_set_drvdata(arizona->dev, arizona);
475 mutex_init(&arizona->clk_lock);
476
477 if (dev_get_platdata(arizona->dev))
478 memcpy(&arizona->pdata, dev_get_platdata(arizona->dev),
479 sizeof(arizona->pdata));
480
481 regcache_cache_only(arizona->regmap, true);
482
483 switch (arizona->type) {
484 case WM5102:
e102befe 485 case WM5110:
3cc72986
MB		 486 for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)
487 arizona->core_supplies[i].supply
488 = wm5102_core_supplies[i];
489 arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies);
490 break;
491 default:
492 dev_err(arizona->dev, "Unknown device type %d\n",
493 arizona->type);
494 return -EINVAL;
495 }
496
497 ret = mfd_add_devices(arizona->dev, -1, early_devs,
0848c94f 498 ARRAY_SIZE(early_devs), NULL, 0, NULL);
3cc72986
MB		 499 if (ret != 0) {
500 dev_err(dev, "Failed to add early children: %d\n", ret);
501 return ret;
502 }
503
504 ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies,
505 arizona->core_supplies);
506 if (ret != 0) {
507 dev_err(dev, "Failed to request core supplies: %d\n",
508 ret);
509 goto err_early;
510 }
511
59db9691
MB		 512 arizona->dcvdd = devm_regulator_get(arizona->dev, "DCVDD");
513 if (IS_ERR(arizona->dcvdd)) {
514 ret = PTR_ERR(arizona->dcvdd);
515 dev_err(dev, "Failed to request DCVDD: %d\n", ret);
516 goto err_early;
517 }
518
87d3af4a
MB		 519 if (arizona->pdata.reset) {
520 /* Start out with /RESET low to put the chip into reset */
521 ret = gpio_request_one(arizona->pdata.reset,
522 GPIOF_DIR_OUT | GPIOF_INIT_LOW,
523 "arizona /RESET");
524 if (ret != 0) {
525 dev_err(dev, "Failed to request /RESET: %d\n", ret);
526 goto err_early;
527 }
528 }
529
3cc72986
MB		 530 ret = regulator_bulk_enable(arizona->num_core_supplies,
531 arizona->core_supplies);
532 if (ret != 0) {
533 dev_err(dev, "Failed to enable core supplies: %d\n",
534 ret);
535 goto err_early;
536 }
537
59db9691
MB		 538 ret = regulator_enable(arizona->dcvdd);
539 if (ret != 0) {
540 dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
541 goto err_enable;
542 }
543
c25feaa5 544 if (arizona->pdata.reset) {
3cc72986 545 gpio_set_value_cansleep(arizona->pdata.reset, 1);
c25feaa5
CK		 546 msleep(1);
547 }
3cc72986 548
3cc72986
MB		 549 regcache_cache_only(arizona->regmap, false);
550
ca76ceb8 551 /* Verify that this is a chip we know about */
3cc72986
MB		 552 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
553 if (ret != 0) {
554 dev_err(dev, "Failed to read ID register: %d\n", ret);
59db9691 555 goto err_reset;
3cc72986
MB		 556 }
557
3cc72986
MB		 558 switch (reg) {
559 case 0x5102:
e102befe 560 case 0x5110:
e102befe 561 break;
3cc72986 562 default:
ca76ceb8 563 dev_err(arizona->dev, "Unknown device ID: %x\n", reg);
59db9691 564 goto err_reset;
3cc72986
MB		 565 }
566
3cc72986
MB		 567 /* If we have a /RESET GPIO we'll already be reset */
568 if (!arizona->pdata.reset) {
46b9d13a
CK		 569 regcache_mark_dirty(arizona->regmap);
570
3cc72986
MB		 571 ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
572 if (ret != 0) {
573 dev_err(dev, "Failed to reset device: %d\n", ret);
59db9691 574 goto err_reset;
3cc72986 575 }
46b9d13a 576
c25feaa5
CK		 577 msleep(1);
578
46b9d13a
CK		 579 ret = regcache_sync(arizona->regmap);
580 if (ret != 0) {
581 dev_err(dev, "Failed to sync device: %d\n", ret);
582 goto err_reset;
583 }
3cc72986
MB		 584 }
585
ca76ceb8 586 /* Ensure device startup is complete */
d955cba8
CK		 587 switch (arizona->type) {
588 case WM5102:
589 ret = regmap_read(arizona->regmap, 0x19, &val);
590 if (ret != 0)
591 dev_err(dev,
592 "Failed to check write sequencer state: %d\n",
593 ret);
594 else if (val & 0x01)
595 break;
596 /* Fall through */
597 default:
598 ret = arizona_wait_for_boot(arizona);
599 if (ret != 0) {
600 dev_err(arizona->dev,
601 "Device failed initial boot: %d\n", ret);
602 goto err_reset;
603 }
604 break;
af65a361 605 }
3cc72986 606
ca76ceb8
MB		 607 /* Read the device ID information & do device specific stuff */
608 ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
609 if (ret != 0) {
610 dev_err(dev, "Failed to read ID register: %d\n", ret);
611 goto err_reset;
612 }
613
614 ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION,
615 &arizona->rev);
616 if (ret != 0) {
617 dev_err(dev, "Failed to read revision register: %d\n", ret);
618 goto err_reset;
619 }
620 arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;
621
622 switch (reg) {
623#ifdef CONFIG_MFD_WM5102
624 case 0x5102:
625 type_name = "WM5102";
626 if (arizona->type != WM5102) {
627 dev_err(arizona->dev, "WM5102 registered as %d\n",
628 arizona->type);
629 arizona->type = WM5102;
630 }
631 apply_patch = wm5102_patch;
632 arizona->rev &= 0x7;
633 break;
634#endif
635#ifdef CONFIG_MFD_WM5110
636 case 0x5110:
637 type_name = "WM5110";
638 if (arizona->type != WM5110) {
639 dev_err(arizona->dev, "WM5110 registered as %d\n",
640 arizona->type);
641 arizona->type = WM5110;
642 }
643 apply_patch = wm5110_patch;
644 break;
645#endif
646 default:
647 dev_err(arizona->dev, "Unknown device ID %x\n", reg);
648 goto err_reset;
649 }
650
651 dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');
652
62d62b59
MB		 653 if (apply_patch) {
654 ret = apply_patch(arizona);
655 if (ret != 0) {
656 dev_err(arizona->dev, "Failed to apply patch: %d\n",
657 ret);
658 goto err_reset;
659 }
e80436bb
CK		 660
661 switch (arizona->type) {
662 case WM5102:
663 ret = arizona_apply_hardware_patch(arizona);
664 if (ret != 0) {
665 dev_err(arizona->dev,
666 "Failed to apply hardware patch: %d\n",
667 ret);
668 goto err_reset;
669 }
670 break;
671 default:
672 break;
673 }
62d62b59
MB		 674 }
675
3cc72986
MB		 676 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
677 if (!arizona->pdata.gpio_defaults[i])
678 continue;
679
680 regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i,
681 arizona->pdata.gpio_defaults[i]);
682 }
683
684 pm_runtime_set_autosuspend_delay(arizona->dev, 100);
685 pm_runtime_use_autosuspend(arizona->dev);
686 pm_runtime_enable(arizona->dev);
687
688 /* Chip default */
689 if (!arizona->pdata.clk32k_src)
690 arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2;
691
692 switch (arizona->pdata.clk32k_src) {
693 case ARIZONA_32KZ_MCLK1:
694 case ARIZONA_32KZ_MCLK2:
695 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
696 ARIZONA_CLK_32K_SRC_MASK,
697 arizona->pdata.clk32k_src - 1);
767c6dc0 698 arizona_clk32k_enable(arizona);
3cc72986
MB		 699 break;
700 case ARIZONA_32KZ_NONE:
701 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
702 ARIZONA_CLK_32K_SRC_MASK, 2);
703 break;
704 default:
705 dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n",
706 arizona->pdata.clk32k_src);
707 ret = -EINVAL;
59db9691 708 goto err_reset;
3cc72986
MB		 709 }
710
3d91f828 711 for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) {
544c7aad
MB		 712 if (!arizona->pdata.micbias[i].mV &&
713 !arizona->pdata.micbias[i].bypass)
3d91f828
MB		 714 continue;
715
544c7aad
MB		 716 /* Apply default for bypass mode */
717 if (!arizona->pdata.micbias[i].mV)
718 arizona->pdata.micbias[i].mV = 2800;
719
3d91f828 720 val = (arizona->pdata.micbias[i].mV - 1500) / 100;
544c7aad 721
3d91f828
MB		 722 val <<= ARIZONA_MICB1_LVL_SHIFT;
723
724 if (arizona->pdata.micbias[i].ext_cap)
725 val |= ARIZONA_MICB1_EXT_CAP;
726
727 if (arizona->pdata.micbias[i].discharge)
728 val |= ARIZONA_MICB1_DISCH;
729
730 if (arizona->pdata.micbias[i].fast_start)
731 val |= ARIZONA_MICB1_RATE;
732
544c7aad
MB		 733 if (arizona->pdata.micbias[i].bypass)
734 val |= ARIZONA_MICB1_BYPASS;
735
3d91f828
MB		 736 regmap_update_bits(arizona->regmap,
737 ARIZONA_MIC_BIAS_CTRL_1 + i,
738 ARIZONA_MICB1_LVL_MASK |
739 ARIZONA_MICB1_DISCH |
544c7aad 740 ARIZONA_MICB1_BYPASS |
3d91f828
MB		 741 ARIZONA_MICB1_RATE, val);
742 }
743
3cc72986
MB		 744 for (i = 0; i < ARIZONA_MAX_INPUT; i++) {
745 /* Default for both is 0 so noop with defaults */
746 val = arizona->pdata.dmic_ref[i]
747 << ARIZONA_IN1_DMIC_SUP_SHIFT;
748 val |= arizona->pdata.inmode[i] << ARIZONA_IN1_MODE_SHIFT;
749
750 regmap_update_bits(arizona->regmap,
751 ARIZONA_IN1L_CONTROL + (i * 8),
752 ARIZONA_IN1_DMIC_SUP_MASK |
753 ARIZONA_IN1_MODE_MASK, val);
754 }
755
756 for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) {
757 /* Default is 0 so noop with defaults */
758 if (arizona->pdata.out_mono[i])
759 val = ARIZONA_OUT1_MONO;
760 else
761 val = 0;
762
763 regmap_update_bits(arizona->regmap,
764 ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8),
765 ARIZONA_OUT1_MONO, val);
766 }
767
3cc72986
MB		 768 for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) {
769 if (arizona->pdata.spk_mute[i])
770 regmap_update_bits(arizona->regmap,
2a51da04 771 ARIZONA_PDM_SPK1_CTRL_1 + (i * 2),
3cc72986
MB		 772 ARIZONA_SPK1_MUTE_ENDIAN_MASK |
773 ARIZONA_SPK1_MUTE_SEQ1_MASK,
774 arizona->pdata.spk_mute[i]);
775
776 if (arizona->pdata.spk_fmt[i])
777 regmap_update_bits(arizona->regmap,
2a51da04 778 ARIZONA_PDM_SPK1_CTRL_2 + (i * 2),
3cc72986
MB		 779 ARIZONA_SPK1_FMT_MASK,
780 arizona->pdata.spk_fmt[i]);
781 }
782
783 /* Set up for interrupts */
784 ret = arizona_irq_init(arizona);
785 if (ret != 0)
59db9691 786 goto err_reset;
3cc72986
MB		 787
788 arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error",
789 arizona_clkgen_err, arizona);
790 arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked",
791 arizona_overclocked, arizona);
792 arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked",
793 arizona_underclocked, arizona);
794
795 switch (arizona->type) {
796 case WM5102:
797 ret = mfd_add_devices(arizona->dev, -1, wm5102_devs,
0848c94f 798 ARRAY_SIZE(wm5102_devs), NULL, 0, NULL);
e102befe
MB		 799 break;
800 case WM5110:
801 ret = mfd_add_devices(arizona->dev, -1, wm5110_devs,
78566afd 802 ARRAY_SIZE(wm5110_devs), NULL, 0, NULL);
3cc72986
MB		 803 break;
804 }
805
806 if (ret != 0) {
807 dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
808 goto err_irq;
809 }
810
59db9691
MB		 811#ifdef CONFIG_PM_RUNTIME
812 regulator_disable(arizona->dcvdd);
813#endif
814
3cc72986
MB		 815 return 0;
816
817err_irq:
818 arizona_irq_exit(arizona);
3cc72986
MB		 819err_reset:
820 if (arizona->pdata.reset) {
87d3af4a 821 gpio_set_value_cansleep(arizona->pdata.reset, 0);
3cc72986
MB		 822 gpio_free(arizona->pdata.reset);
823 }
59db9691 824 regulator_disable(arizona->dcvdd);
3cc72986 825err_enable:
3a36a0db 826 regulator_bulk_disable(arizona->num_core_supplies,
3cc72986
MB		 827 arizona->core_supplies);
828err_early:
829 mfd_remove_devices(dev);
830 return ret;
831}
832EXPORT_SYMBOL_GPL(arizona_dev_init);
833
4740f73f 834int arizona_dev_exit(struct arizona *arizona)
3cc72986
MB		 835{
836 mfd_remove_devices(arizona->dev);
837 arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
838 arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
839 arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona);
840 pm_runtime_disable(arizona->dev);
841 arizona_irq_exit(arizona);
1d017b6b
MB		 842 if (arizona->pdata.reset)
843 gpio_set_value_cansleep(arizona->pdata.reset, 0);
844 regulator_disable(arizona->dcvdd);
845 regulator_bulk_disable(ARRAY_SIZE(arizona->core_supplies),
846 arizona->core_supplies);
3cc72986
MB		 847 return 0;
848}
849EXPORT_SYMBOL_GPL(arizona_dev_exit);
Linux 6.x block layer and io_uring tree(s)