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f2c32a88 MB |
1 | /* |
2 | * extcon-arizona.c - Extcon driver Wolfson Arizona devices | |
3 | * | |
4 | * Copyright (C) 2012 Wolfson Microelectronics plc | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | */ | |
16 | ||
17 | #include <linux/kernel.h> | |
18 | #include <linux/module.h> | |
19 | #include <linux/i2c.h> | |
20 | #include <linux/slab.h> | |
21 | #include <linux/interrupt.h> | |
22 | #include <linux/err.h> | |
23 | #include <linux/gpio.h> | |
34efe4dc | 24 | #include <linux/input.h> |
f2c32a88 MB |
25 | #include <linux/platform_device.h> |
26 | #include <linux/pm_runtime.h> | |
27 | #include <linux/regulator/consumer.h> | |
28 | #include <linux/extcon.h> | |
29 | ||
30 | #include <linux/mfd/arizona/core.h> | |
31 | #include <linux/mfd/arizona/pdata.h> | |
32 | #include <linux/mfd/arizona/registers.h> | |
33 | ||
4f340333 MB |
34 | #define ARIZONA_DEFAULT_HP 32 |
35 | ||
34efe4dc MB |
36 | #define ARIZONA_NUM_BUTTONS 6 |
37 | ||
4f340333 MB |
38 | #define ARIZONA_ACCDET_MODE_MIC 0 |
39 | #define ARIZONA_ACCDET_MODE_HPL 1 | |
40 | #define ARIZONA_ACCDET_MODE_HPR 2 | |
41 | ||
f2c32a88 MB |
42 | struct arizona_extcon_info { |
43 | struct device *dev; | |
44 | struct arizona *arizona; | |
45 | struct mutex lock; | |
46 | struct regulator *micvdd; | |
34efe4dc | 47 | struct input_dev *input; |
f2c32a88 MB |
48 | |
49 | int micd_mode; | |
50 | const struct arizona_micd_config *micd_modes; | |
51 | int micd_num_modes; | |
52 | ||
53 | bool micd_reva; | |
dab63eb2 | 54 | bool micd_clamp; |
f2c32a88 | 55 | |
4f340333 MB |
56 | bool hpdet_active; |
57 | ||
dd235eea | 58 | int num_hpdet_res; |
1eda6aa7 | 59 | unsigned int hpdet_res[3]; |
dd235eea | 60 | |
f2c32a88 MB |
61 | bool mic; |
62 | bool detecting; | |
63 | int jack_flips; | |
64 | ||
4f340333 MB |
65 | int hpdet_ip; |
66 | ||
f2c32a88 MB |
67 | struct extcon_dev edev; |
68 | }; | |
69 | ||
70 | static const struct arizona_micd_config micd_default_modes[] = { | |
f2c32a88 | 71 | { 0, 2 << ARIZONA_MICD_BIAS_SRC_SHIFT, 1 }, |
dd235eea | 72 | { ARIZONA_ACCDET_SRC, 1 << ARIZONA_MICD_BIAS_SRC_SHIFT, 0 }, |
f2c32a88 MB |
73 | }; |
74 | ||
34efe4dc MB |
75 | static struct { |
76 | u16 status; | |
77 | int report; | |
78 | } arizona_lvl_to_key[ARIZONA_NUM_BUTTONS] = { | |
79 | { 0x1, BTN_0 }, | |
80 | { 0x2, BTN_1 }, | |
81 | { 0x4, BTN_2 }, | |
82 | { 0x8, BTN_3 }, | |
83 | { 0x10, BTN_4 }, | |
84 | { 0x20, BTN_5 }, | |
85 | }; | |
86 | ||
325c6423 MB |
87 | #define ARIZONA_CABLE_MECHANICAL 0 |
88 | #define ARIZONA_CABLE_MICROPHONE 1 | |
89 | #define ARIZONA_CABLE_HEADPHONE 2 | |
4f340333 | 90 | #define ARIZONA_CABLE_LINEOUT 3 |
f2c32a88 MB |
91 | |
92 | static const char *arizona_cable[] = { | |
325c6423 MB |
93 | "Mechanical", |
94 | "Microphone", | |
95 | "Headphone", | |
4f340333 | 96 | "Line-out", |
f2c32a88 MB |
97 | NULL, |
98 | }; | |
99 | ||
f2c32a88 MB |
100 | static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode) |
101 | { | |
102 | struct arizona *arizona = info->arizona; | |
103 | ||
cd74f7b3 MB |
104 | if (arizona->pdata.micd_pol_gpio > 0) |
105 | gpio_set_value_cansleep(arizona->pdata.micd_pol_gpio, | |
106 | info->micd_modes[mode].gpio); | |
f2c32a88 MB |
107 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
108 | ARIZONA_MICD_BIAS_SRC_MASK, | |
109 | info->micd_modes[mode].bias); | |
110 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, | |
111 | ARIZONA_ACCDET_SRC, info->micd_modes[mode].src); | |
112 | ||
113 | info->micd_mode = mode; | |
114 | ||
115 | dev_dbg(arizona->dev, "Set jack polarity to %d\n", mode); | |
116 | } | |
117 | ||
9b1270c7 MB |
118 | static void arizona_start_mic(struct arizona_extcon_info *info) |
119 | { | |
120 | struct arizona *arizona = info->arizona; | |
121 | bool change; | |
122 | int ret; | |
123 | ||
9b1270c7 MB |
124 | /* Microphone detection can't use idle mode */ |
125 | pm_runtime_get(info->dev); | |
126 | ||
127 | ret = regulator_enable(info->micvdd); | |
128 | if (ret != 0) { | |
129 | dev_err(arizona->dev, "Failed to enable MICVDD: %d\n", | |
130 | ret); | |
131 | } | |
132 | ||
133 | if (info->micd_reva) { | |
134 | regmap_write(arizona->regmap, 0x80, 0x3); | |
135 | regmap_write(arizona->regmap, 0x294, 0); | |
136 | regmap_write(arizona->regmap, 0x80, 0x0); | |
137 | } | |
138 | ||
139 | regmap_update_bits(arizona->regmap, | |
140 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
141 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
142 | ||
143 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
144 | ARIZONA_MICD_ENA, ARIZONA_MICD_ENA, | |
145 | &change); | |
146 | if (!change) { | |
147 | regulator_disable(info->micvdd); | |
148 | pm_runtime_put_autosuspend(info->dev); | |
149 | } | |
150 | } | |
151 | ||
152 | static void arizona_stop_mic(struct arizona_extcon_info *info) | |
153 | { | |
154 | struct arizona *arizona = info->arizona; | |
155 | bool change; | |
156 | ||
157 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
158 | ARIZONA_MICD_ENA, 0, | |
159 | &change); | |
160 | ||
161 | if (info->micd_reva) { | |
162 | regmap_write(arizona->regmap, 0x80, 0x3); | |
163 | regmap_write(arizona->regmap, 0x294, 2); | |
164 | regmap_write(arizona->regmap, 0x80, 0x0); | |
165 | } | |
166 | ||
167 | if (change) { | |
168 | regulator_disable(info->micvdd); | |
169 | pm_runtime_mark_last_busy(info->dev); | |
170 | pm_runtime_put_autosuspend(info->dev); | |
171 | } | |
172 | } | |
173 | ||
4f340333 MB |
174 | static struct { |
175 | unsigned int factor_a; | |
176 | unsigned int factor_b; | |
177 | } arizona_hpdet_b_ranges[] = { | |
178 | { 5528, 362464 }, | |
179 | { 11084, 6186851 }, | |
180 | { 11065, 65460395 }, | |
181 | }; | |
182 | ||
183 | static struct { | |
184 | int min; | |
185 | int max; | |
186 | } arizona_hpdet_c_ranges[] = { | |
187 | { 0, 30 }, | |
188 | { 8, 100 }, | |
189 | { 100, 1000 }, | |
190 | { 1000, 10000 }, | |
191 | }; | |
192 | ||
193 | static int arizona_hpdet_read(struct arizona_extcon_info *info) | |
194 | { | |
195 | struct arizona *arizona = info->arizona; | |
196 | unsigned int val, range; | |
197 | int ret; | |
198 | ||
199 | ret = regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_2, &val); | |
200 | if (ret != 0) { | |
201 | dev_err(arizona->dev, "Failed to read HPDET status: %d\n", | |
202 | ret); | |
203 | return ret; | |
204 | } | |
205 | ||
206 | switch (info->hpdet_ip) { | |
207 | case 0: | |
208 | if (!(val & ARIZONA_HP_DONE)) { | |
209 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
210 | val); | |
211 | val = ARIZONA_DEFAULT_HP; | |
212 | } | |
213 | ||
214 | val &= ARIZONA_HP_LVL_MASK; | |
215 | break; | |
216 | ||
217 | case 1: | |
218 | if (!(val & ARIZONA_HP_DONE_B)) { | |
219 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
220 | val); | |
221 | return ARIZONA_DEFAULT_HP; | |
222 | } | |
223 | ||
224 | ret = regmap_read(arizona->regmap, ARIZONA_HP_DACVAL, &val); | |
225 | if (ret != 0) { | |
226 | dev_err(arizona->dev, "Failed to read HP value: %d\n", | |
227 | ret); | |
228 | return ARIZONA_DEFAULT_HP; | |
229 | } | |
230 | ||
231 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
232 | &range); | |
233 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) | |
234 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; | |
235 | ||
236 | if (range < ARRAY_SIZE(arizona_hpdet_b_ranges) - 1 && | |
237 | (val < 100 || val > 0x3fb)) { | |
238 | range++; | |
239 | dev_dbg(arizona->dev, "Moving to HPDET range %d\n", | |
240 | range); | |
241 | regmap_update_bits(arizona->regmap, | |
242 | ARIZONA_HEADPHONE_DETECT_1, | |
243 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, | |
244 | range << | |
245 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); | |
246 | return -EAGAIN; | |
247 | } | |
248 | ||
249 | /* If we go out of range report top of range */ | |
250 | if (val < 100 || val > 0x3fb) { | |
251 | dev_dbg(arizona->dev, "Measurement out of range\n"); | |
252 | return 10000; | |
253 | } | |
254 | ||
255 | dev_dbg(arizona->dev, "HPDET read %d in range %d\n", | |
256 | val, range); | |
257 | ||
258 | val = arizona_hpdet_b_ranges[range].factor_b | |
259 | / ((val * 100) - | |
260 | arizona_hpdet_b_ranges[range].factor_a); | |
261 | break; | |
262 | ||
263 | default: | |
264 | dev_warn(arizona->dev, "Unknown HPDET IP revision %d\n", | |
265 | info->hpdet_ip); | |
266 | case 2: | |
267 | if (!(val & ARIZONA_HP_DONE_B)) { | |
268 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
269 | val); | |
270 | return ARIZONA_DEFAULT_HP; | |
271 | } | |
272 | ||
273 | val &= ARIZONA_HP_LVL_B_MASK; | |
274 | ||
275 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
276 | &range); | |
277 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) | |
278 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; | |
279 | ||
280 | /* Skip up or down a range? */ | |
281 | if (range && (val < arizona_hpdet_c_ranges[range].min)) { | |
282 | range--; | |
283 | dev_dbg(arizona->dev, "Moving to HPDET range %d-%d\n", | |
284 | arizona_hpdet_c_ranges[range].min, | |
285 | arizona_hpdet_c_ranges[range].max); | |
286 | regmap_update_bits(arizona->regmap, | |
287 | ARIZONA_HEADPHONE_DETECT_1, | |
288 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, | |
289 | range << | |
290 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); | |
291 | return -EAGAIN; | |
292 | } | |
293 | ||
294 | if (range < ARRAY_SIZE(arizona_hpdet_c_ranges) - 1 && | |
295 | (val >= arizona_hpdet_c_ranges[range].max)) { | |
296 | range++; | |
297 | dev_dbg(arizona->dev, "Moving to HPDET range %d-%d\n", | |
298 | arizona_hpdet_c_ranges[range].min, | |
299 | arizona_hpdet_c_ranges[range].max); | |
300 | regmap_update_bits(arizona->regmap, | |
301 | ARIZONA_HEADPHONE_DETECT_1, | |
302 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, | |
303 | range << | |
304 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); | |
305 | return -EAGAIN; | |
306 | } | |
307 | } | |
308 | ||
309 | dev_dbg(arizona->dev, "HP impedance %d ohms\n", val); | |
310 | return val; | |
311 | } | |
312 | ||
dd235eea MB |
313 | static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading) |
314 | { | |
315 | struct arizona *arizona = info->arizona; | |
1eda6aa7 | 316 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
dd235eea MB |
317 | int ret; |
318 | ||
319 | /* | |
320 | * If we're using HPDET for accessory identification we need | |
321 | * to take multiple measurements, step through them in sequence. | |
322 | */ | |
323 | if (arizona->pdata.hpdet_acc_id) { | |
324 | info->hpdet_res[info->num_hpdet_res++] = *reading; | |
325 | ||
326 | /* | |
327 | * If the impedence is too high don't measure the | |
328 | * second ground. | |
329 | */ | |
330 | if (info->num_hpdet_res == 1 && *reading >= 45) { | |
331 | dev_dbg(arizona->dev, "Skipping ground flip\n"); | |
332 | info->hpdet_res[info->num_hpdet_res++] = *reading; | |
333 | } | |
334 | ||
335 | if (info->num_hpdet_res == 1) { | |
336 | dev_dbg(arizona->dev, "Flipping ground\n"); | |
337 | ||
338 | regmap_update_bits(arizona->regmap, | |
339 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
340 | ARIZONA_ACCDET_SRC, | |
341 | ~info->micd_modes[0].src); | |
1eda6aa7 | 342 | |
dd235eea MB |
343 | regmap_update_bits(arizona->regmap, |
344 | ARIZONA_HEADPHONE_DETECT_1, | |
1eda6aa7 MB |
345 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); |
346 | return -EAGAIN; | |
347 | } | |
348 | ||
349 | /* Only check the mic directly if we didn't already ID it */ | |
350 | if (id_gpio && info->num_hpdet_res == 2 && | |
351 | !((info->hpdet_res[0] > info->hpdet_res[1] * 2))) { | |
352 | dev_dbg(arizona->dev, "Measuring mic\n"); | |
353 | ||
354 | regmap_update_bits(arizona->regmap, | |
355 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
356 | ARIZONA_ACCDET_MODE_MASK | | |
357 | ARIZONA_ACCDET_SRC, | |
358 | ARIZONA_ACCDET_MODE_HPR | | |
359 | info->micd_modes[0].src); | |
360 | ||
361 | gpio_set_value_cansleep(id_gpio, 1); | |
362 | ||
dd235eea MB |
363 | regmap_update_bits(arizona->regmap, |
364 | ARIZONA_HEADPHONE_DETECT_1, | |
365 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
366 | return -EAGAIN; | |
367 | } | |
368 | ||
369 | /* OK, got both. Now, compare... */ | |
1eda6aa7 MB |
370 | dev_dbg(arizona->dev, "HPDET measured %d %d %d\n", |
371 | info->hpdet_res[0], info->hpdet_res[1], | |
372 | info->hpdet_res[2]); | |
dd235eea | 373 | |
1eda6aa7 MB |
374 | /* |
375 | * Either the two grounds measure differently or we | |
376 | * measure the mic as high impedance. | |
377 | */ | |
378 | if ((info->hpdet_res[0] > info->hpdet_res[1] * 2) || | |
379 | (id_gpio && info->hpdet_res[2] > 10)) { | |
dd235eea MB |
380 | dev_dbg(arizona->dev, "Detected mic\n"); |
381 | info->mic = true; | |
382 | ret = extcon_set_cable_state_(&info->edev, | |
383 | ARIZONA_CABLE_MICROPHONE, | |
384 | true); | |
385 | if (ret != 0) { | |
386 | dev_err(arizona->dev, | |
387 | "Failed to report mic: %d\n", ret); | |
388 | } | |
389 | ||
390 | /* Take the headphone impedance for the main report */ | |
391 | *reading = info->hpdet_res[1]; | |
392 | } else { | |
393 | dev_dbg(arizona->dev, "Detected headphone\n"); | |
394 | } | |
395 | ||
396 | /* Make sure everything is reset back to the real polarity */ | |
397 | regmap_update_bits(arizona->regmap, | |
398 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
399 | ARIZONA_ACCDET_SRC, | |
400 | info->micd_modes[0].src); | |
401 | } | |
402 | ||
403 | return 0; | |
404 | } | |
405 | ||
4f340333 MB |
406 | static irqreturn_t arizona_hpdet_irq(int irq, void *data) |
407 | { | |
408 | struct arizona_extcon_info *info = data; | |
409 | struct arizona *arizona = info->arizona; | |
1eda6aa7 | 410 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
4f340333 | 411 | int report = ARIZONA_CABLE_HEADPHONE; |
dd235eea | 412 | int ret, reading; |
4f340333 MB |
413 | |
414 | mutex_lock(&info->lock); | |
415 | ||
416 | /* If we got a spurious IRQ for some reason then ignore it */ | |
417 | if (!info->hpdet_active) { | |
418 | dev_warn(arizona->dev, "Spurious HPDET IRQ\n"); | |
419 | mutex_unlock(&info->lock); | |
420 | return IRQ_NONE; | |
421 | } | |
422 | ||
423 | /* If the cable was removed while measuring ignore the result */ | |
424 | ret = extcon_get_cable_state_(&info->edev, ARIZONA_CABLE_MECHANICAL); | |
425 | if (ret < 0) { | |
426 | dev_err(arizona->dev, "Failed to check cable state: %d\n", | |
427 | ret); | |
428 | goto out; | |
429 | } else if (!ret) { | |
430 | dev_dbg(arizona->dev, "Ignoring HPDET for removed cable\n"); | |
431 | goto done; | |
432 | } | |
433 | ||
434 | ret = arizona_hpdet_read(info); | |
435 | if (ret == -EAGAIN) { | |
436 | goto out; | |
437 | } else if (ret < 0) { | |
438 | goto done; | |
439 | } | |
dd235eea | 440 | reading = ret; |
4f340333 MB |
441 | |
442 | /* Reset back to starting range */ | |
443 | regmap_update_bits(arizona->regmap, | |
444 | ARIZONA_HEADPHONE_DETECT_1, | |
dd235eea MB |
445 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, |
446 | 0); | |
447 | ||
448 | ret = arizona_hpdet_do_id(info, &reading); | |
449 | if (ret == -EAGAIN) { | |
450 | goto out; | |
451 | } else if (ret < 0) { | |
452 | goto done; | |
453 | } | |
4f340333 MB |
454 | |
455 | /* Report high impedence cables as line outputs */ | |
dd235eea | 456 | if (reading >= 5000) |
4f340333 MB |
457 | report = ARIZONA_CABLE_LINEOUT; |
458 | else | |
459 | report = ARIZONA_CABLE_HEADPHONE; | |
460 | ||
461 | ret = extcon_set_cable_state_(&info->edev, report, true); | |
462 | if (ret != 0) | |
463 | dev_err(arizona->dev, "Failed to report HP/line: %d\n", | |
464 | ret); | |
465 | ||
466 | ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000, 0); | |
467 | if (ret != 0) | |
468 | dev_warn(arizona->dev, "Failed to undo magic: %d\n", ret); | |
469 | ||
470 | ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000, 0); | |
471 | if (ret != 0) | |
472 | dev_warn(arizona->dev, "Failed to undo magic: %d\n", ret); | |
473 | ||
474 | done: | |
1eda6aa7 MB |
475 | if (id_gpio) |
476 | gpio_set_value_cansleep(id_gpio, 0); | |
4f340333 MB |
477 | |
478 | /* Revert back to MICDET mode */ | |
479 | regmap_update_bits(arizona->regmap, | |
480 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
481 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
482 | ||
483 | /* If we have a mic then reenable MICDET */ | |
484 | if (info->mic) | |
485 | arizona_start_mic(info); | |
486 | ||
487 | if (info->hpdet_active) { | |
488 | pm_runtime_put_autosuspend(info->dev); | |
489 | info->hpdet_active = false; | |
490 | } | |
491 | ||
492 | out: | |
493 | mutex_unlock(&info->lock); | |
494 | ||
495 | return IRQ_HANDLED; | |
496 | } | |
497 | ||
498 | static void arizona_identify_headphone(struct arizona_extcon_info *info) | |
499 | { | |
500 | struct arizona *arizona = info->arizona; | |
501 | int ret; | |
502 | ||
503 | dev_dbg(arizona->dev, "Starting HPDET\n"); | |
504 | ||
505 | /* Make sure we keep the device enabled during the measurement */ | |
506 | pm_runtime_get(info->dev); | |
507 | ||
508 | info->hpdet_active = true; | |
509 | ||
510 | if (info->mic) | |
511 | arizona_stop_mic(info); | |
512 | ||
513 | ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000, 0x4000); | |
514 | if (ret != 0) | |
515 | dev_warn(arizona->dev, "Failed to do magic: %d\n", ret); | |
516 | ||
517 | ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000, 0x4000); | |
518 | if (ret != 0) | |
519 | dev_warn(arizona->dev, "Failed to do magic: %d\n", ret); | |
520 | ||
521 | ret = regmap_update_bits(arizona->regmap, | |
522 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
523 | ARIZONA_ACCDET_MODE_MASK, | |
524 | ARIZONA_ACCDET_MODE_HPL); | |
525 | if (ret != 0) { | |
526 | dev_err(arizona->dev, "Failed to set HPDETL mode: %d\n", ret); | |
527 | goto err; | |
528 | } | |
529 | ||
530 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
531 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
532 | if (ret != 0) { | |
533 | dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n", | |
534 | ret); | |
535 | goto err; | |
536 | } | |
537 | ||
538 | return; | |
539 | ||
540 | err: | |
541 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, | |
542 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
543 | ||
544 | /* Just report headphone */ | |
545 | ret = extcon_update_state(&info->edev, | |
546 | 1 << ARIZONA_CABLE_HEADPHONE, | |
547 | 1 << ARIZONA_CABLE_HEADPHONE); | |
548 | if (ret != 0) | |
549 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); | |
550 | ||
551 | if (info->mic) | |
552 | arizona_start_mic(info); | |
553 | ||
554 | info->hpdet_active = false; | |
555 | } | |
dd235eea MB |
556 | |
557 | static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info) | |
558 | { | |
559 | struct arizona *arizona = info->arizona; | |
560 | int ret; | |
561 | ||
562 | dev_dbg(arizona->dev, "Starting identification via HPDET\n"); | |
563 | ||
564 | /* Make sure we keep the device enabled during the measurement */ | |
565 | pm_runtime_get(info->dev); | |
566 | ||
567 | info->hpdet_active = true; | |
568 | ||
569 | ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000, 0x4000); | |
570 | if (ret != 0) | |
571 | dev_warn(arizona->dev, "Failed to do magic: %d\n", ret); | |
572 | ||
573 | ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000, 0x4000); | |
574 | if (ret != 0) | |
575 | dev_warn(arizona->dev, "Failed to do magic: %d\n", ret); | |
576 | ||
577 | ret = regmap_update_bits(arizona->regmap, | |
578 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
579 | ARIZONA_ACCDET_SRC | ARIZONA_ACCDET_MODE_MASK, | |
580 | info->micd_modes[0].src | | |
581 | ARIZONA_ACCDET_MODE_HPL); | |
582 | if (ret != 0) { | |
583 | dev_err(arizona->dev, "Failed to set HPDETL mode: %d\n", ret); | |
584 | goto err; | |
585 | } | |
586 | ||
587 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
588 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
589 | if (ret != 0) { | |
590 | dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n", | |
591 | ret); | |
592 | goto err; | |
4f340333 MB |
593 | } |
594 | ||
dd235eea MB |
595 | return; |
596 | ||
597 | err: | |
598 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, | |
599 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
600 | ||
601 | /* Just report headphone */ | |
602 | ret = extcon_update_state(&info->edev, | |
603 | 1 << ARIZONA_CABLE_HEADPHONE, | |
604 | 1 << ARIZONA_CABLE_HEADPHONE); | |
605 | if (ret != 0) | |
606 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); | |
607 | ||
4f340333 MB |
608 | info->hpdet_active = false; |
609 | } | |
610 | ||
f2c32a88 MB |
611 | static irqreturn_t arizona_micdet(int irq, void *data) |
612 | { | |
613 | struct arizona_extcon_info *info = data; | |
614 | struct arizona *arizona = info->arizona; | |
34efe4dc MB |
615 | unsigned int val, lvl; |
616 | int ret, i; | |
f2c32a88 MB |
617 | |
618 | mutex_lock(&info->lock); | |
619 | ||
620 | ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val); | |
621 | if (ret != 0) { | |
622 | dev_err(arizona->dev, "Failed to read MICDET: %d\n", ret); | |
be31cc0b | 623 | mutex_unlock(&info->lock); |
f2c32a88 MB |
624 | return IRQ_NONE; |
625 | } | |
626 | ||
627 | dev_dbg(arizona->dev, "MICDET: %x\n", val); | |
628 | ||
629 | if (!(val & ARIZONA_MICD_VALID)) { | |
630 | dev_warn(arizona->dev, "Microphone detection state invalid\n"); | |
631 | mutex_unlock(&info->lock); | |
632 | return IRQ_NONE; | |
633 | } | |
634 | ||
635 | /* Due to jack detect this should never happen */ | |
636 | if (!(val & ARIZONA_MICD_STS)) { | |
637 | dev_warn(arizona->dev, "Detected open circuit\n"); | |
638 | info->detecting = false; | |
639 | goto handled; | |
640 | } | |
641 | ||
642 | /* If we got a high impedence we should have a headset, report it. */ | |
643 | if (info->detecting && (val & 0x400)) { | |
4f340333 MB |
644 | arizona_identify_headphone(info); |
645 | ||
325c6423 | 646 | ret = extcon_update_state(&info->edev, |
4f340333 MB |
647 | 1 << ARIZONA_CABLE_MICROPHONE, |
648 | 1 << ARIZONA_CABLE_MICROPHONE); | |
f2c32a88 MB |
649 | |
650 | if (ret != 0) | |
651 | dev_err(arizona->dev, "Headset report failed: %d\n", | |
652 | ret); | |
653 | ||
654 | info->mic = true; | |
655 | info->detecting = false; | |
656 | goto handled; | |
657 | } | |
658 | ||
659 | /* If we detected a lower impedence during initial startup | |
660 | * then we probably have the wrong polarity, flip it. Don't | |
661 | * do this for the lowest impedences to speed up detection of | |
662 | * plain headphones. If both polarities report a low | |
663 | * impedence then give up and report headphones. | |
664 | */ | |
665 | if (info->detecting && (val & 0x3f8)) { | |
666 | info->jack_flips++; | |
667 | ||
668 | if (info->jack_flips >= info->micd_num_modes) { | |
4f340333 MB |
669 | dev_dbg(arizona->dev, "Detected HP/line\n"); |
670 | arizona_identify_headphone(info); | |
671 | ||
f2c32a88 | 672 | info->detecting = false; |
9ef2224d | 673 | |
4f340333 | 674 | arizona_stop_mic(info); |
f2c32a88 MB |
675 | } else { |
676 | info->micd_mode++; | |
677 | if (info->micd_mode == info->micd_num_modes) | |
678 | info->micd_mode = 0; | |
679 | arizona_extcon_set_mode(info, info->micd_mode); | |
680 | ||
681 | info->jack_flips++; | |
682 | } | |
683 | ||
684 | goto handled; | |
685 | } | |
686 | ||
687 | /* | |
688 | * If we're still detecting and we detect a short then we've | |
34efe4dc | 689 | * got a headphone. Otherwise it's a button press. |
f2c32a88 MB |
690 | */ |
691 | if (val & 0x3fc) { | |
692 | if (info->mic) { | |
693 | dev_dbg(arizona->dev, "Mic button detected\n"); | |
694 | ||
34efe4dc MB |
695 | lvl = val & ARIZONA_MICD_LVL_MASK; |
696 | lvl >>= ARIZONA_MICD_LVL_SHIFT; | |
697 | ||
698 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) | |
699 | if (lvl & arizona_lvl_to_key[i].status) | |
700 | input_report_key(info->input, | |
701 | arizona_lvl_to_key[i].report, | |
702 | 1); | |
703 | input_sync(info->input); | |
704 | ||
f2c32a88 MB |
705 | } else if (info->detecting) { |
706 | dev_dbg(arizona->dev, "Headphone detected\n"); | |
707 | info->detecting = false; | |
708 | arizona_stop_mic(info); | |
709 | ||
4f340333 | 710 | arizona_identify_headphone(info); |
f2c32a88 MB |
711 | } else { |
712 | dev_warn(arizona->dev, "Button with no mic: %x\n", | |
713 | val); | |
714 | } | |
715 | } else { | |
716 | dev_dbg(arizona->dev, "Mic button released\n"); | |
34efe4dc MB |
717 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) |
718 | input_report_key(info->input, | |
719 | arizona_lvl_to_key[i].report, 0); | |
720 | input_sync(info->input); | |
f2c32a88 MB |
721 | } |
722 | ||
723 | handled: | |
724 | pm_runtime_mark_last_busy(info->dev); | |
725 | mutex_unlock(&info->lock); | |
726 | ||
727 | return IRQ_HANDLED; | |
728 | } | |
729 | ||
730 | static irqreturn_t arizona_jackdet(int irq, void *data) | |
731 | { | |
732 | struct arizona_extcon_info *info = data; | |
733 | struct arizona *arizona = info->arizona; | |
92a49871 | 734 | unsigned int val, present, mask; |
34efe4dc | 735 | int ret, i; |
f2c32a88 MB |
736 | |
737 | pm_runtime_get_sync(info->dev); | |
738 | ||
739 | mutex_lock(&info->lock); | |
740 | ||
92a49871 MB |
741 | if (arizona->pdata.jd_gpio5) { |
742 | mask = ARIZONA_MICD_CLAMP_STS; | |
743 | present = 0; | |
744 | } else { | |
745 | mask = ARIZONA_JD1_STS; | |
746 | present = ARIZONA_JD1_STS; | |
747 | } | |
748 | ||
f2c32a88 MB |
749 | ret = regmap_read(arizona->regmap, ARIZONA_AOD_IRQ_RAW_STATUS, &val); |
750 | if (ret != 0) { | |
751 | dev_err(arizona->dev, "Failed to read jackdet status: %d\n", | |
752 | ret); | |
753 | mutex_unlock(&info->lock); | |
754 | pm_runtime_put_autosuspend(info->dev); | |
755 | return IRQ_NONE; | |
756 | } | |
757 | ||
92a49871 | 758 | if ((val & mask) == present) { |
f2c32a88 | 759 | dev_dbg(arizona->dev, "Detected jack\n"); |
325c6423 MB |
760 | ret = extcon_set_cable_state_(&info->edev, |
761 | ARIZONA_CABLE_MECHANICAL, true); | |
f2c32a88 MB |
762 | |
763 | if (ret != 0) | |
764 | dev_err(arizona->dev, "Mechanical report failed: %d\n", | |
765 | ret); | |
766 | ||
dd235eea MB |
767 | if (!arizona->pdata.hpdet_acc_id) { |
768 | info->detecting = true; | |
769 | info->mic = false; | |
770 | info->jack_flips = 0; | |
771 | ||
772 | arizona_start_mic(info); | |
773 | } else { | |
774 | arizona_start_hpdet_acc_id(info); | |
775 | } | |
f2c32a88 MB |
776 | } else { |
777 | dev_dbg(arizona->dev, "Detected jack removal\n"); | |
778 | ||
779 | arizona_stop_mic(info); | |
780 | ||
dd235eea MB |
781 | info->num_hpdet_res = 0; |
782 | for (i = 0; i < ARRAY_SIZE(info->hpdet_res); i++) | |
783 | info->hpdet_res[i] = 0; | |
784 | info->mic = false; | |
92a49871 | 785 | |
34efe4dc MB |
786 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) |
787 | input_report_key(info->input, | |
788 | arizona_lvl_to_key[i].report, 0); | |
789 | input_sync(info->input); | |
790 | ||
f2c32a88 MB |
791 | ret = extcon_update_state(&info->edev, 0xffffffff, 0); |
792 | if (ret != 0) | |
793 | dev_err(arizona->dev, "Removal report failed: %d\n", | |
794 | ret); | |
795 | } | |
796 | ||
797 | mutex_unlock(&info->lock); | |
798 | ||
799 | pm_runtime_mark_last_busy(info->dev); | |
800 | pm_runtime_put_autosuspend(info->dev); | |
801 | ||
802 | return IRQ_HANDLED; | |
803 | } | |
804 | ||
44f34fd4 | 805 | static int arizona_extcon_probe(struct platform_device *pdev) |
f2c32a88 MB |
806 | { |
807 | struct arizona *arizona = dev_get_drvdata(pdev->dev.parent); | |
808 | struct arizona_pdata *pdata; | |
809 | struct arizona_extcon_info *info; | |
92a49871 | 810 | int jack_irq_fall, jack_irq_rise; |
34efe4dc | 811 | int ret, mode, i; |
f2c32a88 MB |
812 | |
813 | pdata = dev_get_platdata(arizona->dev); | |
814 | ||
815 | info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); | |
816 | if (!info) { | |
8e5f5018 | 817 | dev_err(&pdev->dev, "Failed to allocate memory\n"); |
f2c32a88 MB |
818 | ret = -ENOMEM; |
819 | goto err; | |
820 | } | |
821 | ||
822 | info->micvdd = devm_regulator_get(arizona->dev, "MICVDD"); | |
823 | if (IS_ERR(info->micvdd)) { | |
824 | ret = PTR_ERR(info->micvdd); | |
825 | dev_err(arizona->dev, "Failed to get MICVDD: %d\n", ret); | |
826 | goto err; | |
827 | } | |
828 | ||
829 | mutex_init(&info->lock); | |
830 | info->arizona = arizona; | |
831 | info->dev = &pdev->dev; | |
f2c32a88 MB |
832 | platform_set_drvdata(pdev, info); |
833 | ||
834 | switch (arizona->type) { | |
835 | case WM5102: | |
836 | switch (arizona->rev) { | |
837 | case 0: | |
838 | info->micd_reva = true; | |
839 | break; | |
840 | default: | |
dab63eb2 | 841 | info->micd_clamp = true; |
4f340333 | 842 | info->hpdet_ip = 1; |
f2c32a88 MB |
843 | break; |
844 | } | |
845 | break; | |
846 | default: | |
847 | break; | |
848 | } | |
849 | ||
850 | info->edev.name = "Headset Jack"; | |
851 | info->edev.supported_cable = arizona_cable; | |
f2c32a88 MB |
852 | |
853 | ret = extcon_dev_register(&info->edev, arizona->dev); | |
854 | if (ret < 0) { | |
8e5f5018 | 855 | dev_err(arizona->dev, "extcon_dev_register() failed: %d\n", |
f2c32a88 MB |
856 | ret); |
857 | goto err; | |
858 | } | |
859 | ||
860 | if (pdata->num_micd_configs) { | |
861 | info->micd_modes = pdata->micd_configs; | |
862 | info->micd_num_modes = pdata->num_micd_configs; | |
863 | } else { | |
864 | info->micd_modes = micd_default_modes; | |
865 | info->micd_num_modes = ARRAY_SIZE(micd_default_modes); | |
866 | } | |
867 | ||
868 | if (arizona->pdata.micd_pol_gpio > 0) { | |
869 | if (info->micd_modes[0].gpio) | |
870 | mode = GPIOF_OUT_INIT_HIGH; | |
871 | else | |
872 | mode = GPIOF_OUT_INIT_LOW; | |
873 | ||
874 | ret = devm_gpio_request_one(&pdev->dev, | |
875 | arizona->pdata.micd_pol_gpio, | |
876 | mode, | |
877 | "MICD polarity"); | |
878 | if (ret != 0) { | |
879 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", | |
880 | arizona->pdata.micd_pol_gpio, ret); | |
881 | goto err_register; | |
882 | } | |
883 | } | |
884 | ||
1eda6aa7 MB |
885 | if (arizona->pdata.hpdet_id_gpio > 0) { |
886 | ret = devm_gpio_request_one(&pdev->dev, | |
887 | arizona->pdata.hpdet_id_gpio, | |
888 | GPIOF_OUT_INIT_LOW, | |
889 | "HPDET"); | |
890 | if (ret != 0) { | |
891 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", | |
892 | arizona->pdata.hpdet_id_gpio, ret); | |
893 | goto err_register; | |
894 | } | |
895 | } | |
896 | ||
b17e5462 MB |
897 | if (arizona->pdata.micd_bias_start_time) |
898 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
899 | ARIZONA_MICD_BIAS_STARTTIME_MASK, | |
900 | arizona->pdata.micd_bias_start_time | |
901 | << ARIZONA_MICD_BIAS_STARTTIME_SHIFT); | |
902 | ||
dab63eb2 | 903 | /* |
92a49871 MB |
904 | * If we have a clamp use it, activating in conjunction with |
905 | * GPIO5 if that is connected for jack detect operation. | |
dab63eb2 MB |
906 | */ |
907 | if (info->micd_clamp) { | |
92a49871 MB |
908 | if (arizona->pdata.jd_gpio5) { |
909 | /* Put the GPIO into input mode */ | |
910 | regmap_write(arizona->regmap, ARIZONA_GPIO5_CTRL, | |
911 | 0xc101); | |
912 | ||
913 | regmap_update_bits(arizona->regmap, | |
914 | ARIZONA_MICD_CLAMP_CONTROL, | |
915 | ARIZONA_MICD_CLAMP_MODE_MASK, 0x9); | |
916 | } else { | |
917 | regmap_update_bits(arizona->regmap, | |
918 | ARIZONA_MICD_CLAMP_CONTROL, | |
919 | ARIZONA_MICD_CLAMP_MODE_MASK, 0x4); | |
920 | } | |
921 | ||
dab63eb2 MB |
922 | regmap_update_bits(arizona->regmap, |
923 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
924 | ARIZONA_MICD_CLAMP_DB, | |
925 | ARIZONA_MICD_CLAMP_DB); | |
926 | } | |
927 | ||
f2c32a88 MB |
928 | arizona_extcon_set_mode(info, 0); |
929 | ||
3d44ea1c | 930 | info->input = devm_input_allocate_device(&pdev->dev); |
34efe4dc MB |
931 | if (!info->input) { |
932 | dev_err(arizona->dev, "Can't allocate input dev\n"); | |
933 | ret = -ENOMEM; | |
934 | goto err_register; | |
935 | } | |
936 | ||
937 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) | |
938 | input_set_capability(info->input, EV_KEY, | |
939 | arizona_lvl_to_key[i].report); | |
940 | info->input->name = "Headset"; | |
941 | info->input->phys = "arizona/extcon"; | |
942 | info->input->dev.parent = &pdev->dev; | |
943 | ||
f2c32a88 MB |
944 | pm_runtime_enable(&pdev->dev); |
945 | pm_runtime_idle(&pdev->dev); | |
946 | pm_runtime_get_sync(&pdev->dev); | |
947 | ||
92a49871 MB |
948 | if (arizona->pdata.jd_gpio5) { |
949 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; | |
950 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; | |
951 | } else { | |
952 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; | |
953 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; | |
954 | } | |
955 | ||
956 | ret = arizona_request_irq(arizona, jack_irq_rise, | |
f2c32a88 MB |
957 | "JACKDET rise", arizona_jackdet, info); |
958 | if (ret != 0) { | |
959 | dev_err(&pdev->dev, "Failed to get JACKDET rise IRQ: %d\n", | |
960 | ret); | |
34efe4dc | 961 | goto err_input; |
f2c32a88 MB |
962 | } |
963 | ||
92a49871 | 964 | ret = arizona_set_irq_wake(arizona, jack_irq_rise, 1); |
f2c32a88 MB |
965 | if (ret != 0) { |
966 | dev_err(&pdev->dev, "Failed to set JD rise IRQ wake: %d\n", | |
967 | ret); | |
968 | goto err_rise; | |
969 | } | |
970 | ||
92a49871 | 971 | ret = arizona_request_irq(arizona, jack_irq_fall, |
f2c32a88 MB |
972 | "JACKDET fall", arizona_jackdet, info); |
973 | if (ret != 0) { | |
974 | dev_err(&pdev->dev, "Failed to get JD fall IRQ: %d\n", ret); | |
975 | goto err_rise_wake; | |
976 | } | |
977 | ||
92a49871 | 978 | ret = arizona_set_irq_wake(arizona, jack_irq_fall, 1); |
f2c32a88 MB |
979 | if (ret != 0) { |
980 | dev_err(&pdev->dev, "Failed to set JD fall IRQ wake: %d\n", | |
981 | ret); | |
982 | goto err_fall; | |
983 | } | |
984 | ||
985 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_MICDET, | |
986 | "MICDET", arizona_micdet, info); | |
987 | if (ret != 0) { | |
988 | dev_err(&pdev->dev, "Failed to get MICDET IRQ: %d\n", ret); | |
989 | goto err_fall_wake; | |
990 | } | |
991 | ||
4f340333 MB |
992 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_HPDET, |
993 | "HPDET", arizona_hpdet_irq, info); | |
994 | if (ret != 0) { | |
995 | dev_err(&pdev->dev, "Failed to get HPDET IRQ: %d\n", ret); | |
996 | goto err_micdet; | |
997 | } | |
998 | ||
f2c32a88 | 999 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
f2c32a88 | 1000 | ARIZONA_MICD_RATE_MASK, |
f2c32a88 MB |
1001 | 8 << ARIZONA_MICD_RATE_SHIFT); |
1002 | ||
1003 | arizona_clk32k_enable(arizona); | |
1004 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE, | |
1005 | ARIZONA_JD1_DB, ARIZONA_JD1_DB); | |
1006 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, | |
1007 | ARIZONA_JD1_ENA, ARIZONA_JD1_ENA); | |
1008 | ||
b8575a11 MB |
1009 | ret = regulator_allow_bypass(info->micvdd, true); |
1010 | if (ret != 0) | |
1011 | dev_warn(arizona->dev, "Failed to set MICVDD to bypass: %d\n", | |
1012 | ret); | |
1013 | ||
f2c32a88 MB |
1014 | pm_runtime_put(&pdev->dev); |
1015 | ||
34efe4dc MB |
1016 | ret = input_register_device(info->input); |
1017 | if (ret) { | |
1018 | dev_err(&pdev->dev, "Can't register input device: %d\n", ret); | |
4f340333 | 1019 | goto err_hpdet; |
34efe4dc MB |
1020 | } |
1021 | ||
f2c32a88 MB |
1022 | return 0; |
1023 | ||
4f340333 MB |
1024 | err_hpdet: |
1025 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); | |
80732cc1 MB |
1026 | err_micdet: |
1027 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); | |
f2c32a88 | 1028 | err_fall_wake: |
92a49871 | 1029 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); |
f2c32a88 | 1030 | err_fall: |
92a49871 | 1031 | arizona_free_irq(arizona, jack_irq_fall, info); |
f2c32a88 | 1032 | err_rise_wake: |
92a49871 | 1033 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); |
f2c32a88 | 1034 | err_rise: |
92a49871 | 1035 | arizona_free_irq(arizona, jack_irq_rise, info); |
34efe4dc | 1036 | err_input: |
f2c32a88 MB |
1037 | err_register: |
1038 | pm_runtime_disable(&pdev->dev); | |
1039 | extcon_dev_unregister(&info->edev); | |
1040 | err: | |
1041 | return ret; | |
1042 | } | |
1043 | ||
93ed0327 | 1044 | static int arizona_extcon_remove(struct platform_device *pdev) |
f2c32a88 MB |
1045 | { |
1046 | struct arizona_extcon_info *info = platform_get_drvdata(pdev); | |
1047 | struct arizona *arizona = info->arizona; | |
92a49871 | 1048 | int jack_irq_rise, jack_irq_fall; |
f2c32a88 MB |
1049 | |
1050 | pm_runtime_disable(&pdev->dev); | |
1051 | ||
dab63eb2 MB |
1052 | regmap_update_bits(arizona->regmap, |
1053 | ARIZONA_MICD_CLAMP_CONTROL, | |
1054 | ARIZONA_MICD_CLAMP_MODE_MASK, 0); | |
1055 | ||
92a49871 MB |
1056 | if (arizona->pdata.jd_gpio5) { |
1057 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; | |
1058 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; | |
1059 | } else { | |
1060 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; | |
1061 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; | |
1062 | } | |
1063 | ||
1064 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); | |
1065 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); | |
1066 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); | |
f2c32a88 | 1067 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); |
92a49871 MB |
1068 | arizona_free_irq(arizona, jack_irq_rise, info); |
1069 | arizona_free_irq(arizona, jack_irq_fall, info); | |
f2c32a88 MB |
1070 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, |
1071 | ARIZONA_JD1_ENA, 0); | |
1072 | arizona_clk32k_disable(arizona); | |
1073 | extcon_dev_unregister(&info->edev); | |
1074 | ||
1075 | return 0; | |
1076 | } | |
1077 | ||
1078 | static struct platform_driver arizona_extcon_driver = { | |
1079 | .driver = { | |
1080 | .name = "arizona-extcon", | |
1081 | .owner = THIS_MODULE, | |
1082 | }, | |
1083 | .probe = arizona_extcon_probe, | |
5f7e2228 | 1084 | .remove = arizona_extcon_remove, |
f2c32a88 MB |
1085 | }; |
1086 | ||
1087 | module_platform_driver(arizona_extcon_driver); | |
1088 | ||
1089 | MODULE_DESCRIPTION("Arizona Extcon driver"); | |
1090 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
1091 | MODULE_LICENSE("GPL"); | |
1092 | MODULE_ALIAS("platform:extcon-arizona"); |