Commit | Line | Data |
---|---|---|
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> | |
8e5838dd | 23 | #include <linux/gpio/consumer.h> |
f2c32a88 | 24 | #include <linux/gpio.h> |
34efe4dc | 25 | #include <linux/input.h> |
f2c32a88 MB |
26 | #include <linux/platform_device.h> |
27 | #include <linux/pm_runtime.h> | |
feffb0cc | 28 | #include <linux/property.h> |
f2c32a88 MB |
29 | #include <linux/regulator/consumer.h> |
30 | #include <linux/extcon.h> | |
31 | ||
bbbd46e3 MB |
32 | #include <sound/soc.h> |
33 | ||
f2c32a88 MB |
34 | #include <linux/mfd/arizona/core.h> |
35 | #include <linux/mfd/arizona/pdata.h> | |
36 | #include <linux/mfd/arizona/registers.h> | |
9e86b2ad | 37 | #include <dt-bindings/mfd/arizona.h> |
f2c32a88 | 38 | |
6fed4d86 | 39 | #define ARIZONA_MAX_MICD_RANGE 8 |
34efe4dc | 40 | |
a288d648 RF |
41 | #define ARIZONA_MICD_CLAMP_MODE_JDL 0x4 |
42 | #define ARIZONA_MICD_CLAMP_MODE_JDH 0x5 | |
43 | #define ARIZONA_MICD_CLAMP_MODE_JDL_GP5H 0x9 | |
44 | #define ARIZONA_MICD_CLAMP_MODE_JDH_GP5H 0xb | |
45 | ||
9dd5e53d MB |
46 | #define ARIZONA_HPDET_MAX 10000 |
47 | ||
2643fd64 | 48 | #define HPDET_DEBOUNCE 500 |
7abd4e2a | 49 | #define DEFAULT_MICD_TIMEOUT 2000 |
a3e2078d | 50 | |
ffae24fe CK |
51 | #define MICD_LVL_1_TO_7 (ARIZONA_MICD_LVL_1 | ARIZONA_MICD_LVL_2 | \ |
52 | ARIZONA_MICD_LVL_3 | ARIZONA_MICD_LVL_4 | \ | |
53 | ARIZONA_MICD_LVL_5 | ARIZONA_MICD_LVL_6 | \ | |
54 | ARIZONA_MICD_LVL_7) | |
55 | ||
56 | #define MICD_LVL_0_TO_7 (ARIZONA_MICD_LVL_0 | MICD_LVL_1_TO_7) | |
57 | ||
58 | #define MICD_LVL_0_TO_8 (MICD_LVL_0_TO_7 | ARIZONA_MICD_LVL_8) | |
59 | ||
f2c32a88 MB |
60 | struct arizona_extcon_info { |
61 | struct device *dev; | |
62 | struct arizona *arizona; | |
63 | struct mutex lock; | |
64 | struct regulator *micvdd; | |
34efe4dc | 65 | struct input_dev *input; |
f2c32a88 | 66 | |
a3e2078d MB |
67 | u16 last_jackdet; |
68 | ||
f2c32a88 MB |
69 | int micd_mode; |
70 | const struct arizona_micd_config *micd_modes; | |
71 | int micd_num_modes; | |
72 | ||
6fed4d86 MB |
73 | const struct arizona_micd_range *micd_ranges; |
74 | int num_micd_ranges; | |
75 | ||
7abd4e2a MB |
76 | int micd_timeout; |
77 | ||
f2c32a88 | 78 | bool micd_reva; |
dab63eb2 | 79 | bool micd_clamp; |
f2c32a88 | 80 | |
0e27bd31 | 81 | struct delayed_work hpdet_work; |
cd59e796 | 82 | struct delayed_work micd_detect_work; |
939c5671 | 83 | struct delayed_work micd_timeout_work; |
0e27bd31 | 84 | |
4f340333 | 85 | bool hpdet_active; |
bf14ee5a | 86 | bool hpdet_done; |
9dd5e53d | 87 | bool hpdet_retried; |
4f340333 | 88 | |
dd235eea | 89 | int num_hpdet_res; |
1eda6aa7 | 90 | unsigned int hpdet_res[3]; |
dd235eea | 91 | |
f2c32a88 MB |
92 | bool mic; |
93 | bool detecting; | |
94 | int jack_flips; | |
95 | ||
d0fd5fbc | 96 | int hpdet_ip_version; |
4f340333 | 97 | |
ef70a214 | 98 | struct extcon_dev *edev; |
8e5838dd CK |
99 | |
100 | struct gpio_desc *micd_pol_gpio; | |
f2c32a88 MB |
101 | }; |
102 | ||
103 | static const struct arizona_micd_config micd_default_modes[] = { | |
41024243 CK |
104 | { ARIZONA_ACCDET_SRC, 1, 0 }, |
105 | { 0, 2, 1 }, | |
f2c32a88 MB |
106 | }; |
107 | ||
6fed4d86 MB |
108 | static const struct arizona_micd_range micd_default_ranges[] = { |
109 | { .max = 11, .key = BTN_0 }, | |
110 | { .max = 28, .key = BTN_1 }, | |
111 | { .max = 54, .key = BTN_2 }, | |
112 | { .max = 100, .key = BTN_3 }, | |
113 | { .max = 186, .key = BTN_4 }, | |
114 | { .max = 430, .key = BTN_5 }, | |
115 | }; | |
116 | ||
117 | static const int arizona_micd_levels[] = { | |
118 | 3, 6, 8, 11, 13, 16, 18, 21, 23, 26, 28, 31, 34, 36, 39, 41, 44, 46, | |
119 | 49, 52, 54, 57, 60, 62, 65, 67, 70, 73, 75, 78, 81, 83, 89, 94, 100, | |
120 | 105, 111, 116, 122, 127, 139, 150, 161, 173, 186, 196, 209, 220, 245, | |
121 | 270, 295, 321, 348, 375, 402, 430, 489, 550, 614, 681, 752, 903, 1071, | |
122 | 1257, | |
34efe4dc MB |
123 | }; |
124 | ||
73b6ecdb | 125 | static const unsigned int arizona_cable[] = { |
2a9de9c0 CC |
126 | EXTCON_MECHANICAL, |
127 | EXTCON_MICROPHONE, | |
128 | EXTCON_HEADPHONE, | |
129 | EXTCON_LINE_OUT, | |
130 | EXTCON_NONE, | |
f2c32a88 MB |
131 | }; |
132 | ||
9dd5e53d MB |
133 | static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info); |
134 | ||
112bdfaa CK |
135 | static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info, |
136 | bool clamp) | |
03409071 MB |
137 | { |
138 | struct arizona *arizona = info->arizona; | |
43f0acd9 | 139 | unsigned int mask = 0, val = 0; |
03409071 MB |
140 | int ret; |
141 | ||
43f0acd9 CK |
142 | switch (arizona->type) { |
143 | case WM5110: | |
2b51f9c2 | 144 | case WM8280: |
43f0acd9 CK |
145 | mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR | |
146 | ARIZONA_HP1L_SHRTI; | |
147 | if (clamp) | |
148 | val = ARIZONA_HP1L_SHRTO; | |
149 | else | |
150 | val = ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI; | |
151 | break; | |
152 | default: | |
153 | mask = ARIZONA_RMV_SHRT_HP1L; | |
154 | if (clamp) | |
155 | val = ARIZONA_RMV_SHRT_HP1L; | |
156 | break; | |
157 | }; | |
112bdfaa | 158 | |
03409071 MB |
159 | mutex_lock(&arizona->dapm->card->dapm_mutex); |
160 | ||
112bdfaa | 161 | arizona->hpdet_clamp = clamp; |
03409071 | 162 | |
112bdfaa CK |
163 | /* Keep the HP output stages disabled while doing the clamp */ |
164 | if (clamp) { | |
df8c3dbe MB |
165 | ret = regmap_update_bits(arizona->regmap, |
166 | ARIZONA_OUTPUT_ENABLES_1, | |
167 | ARIZONA_OUT1L_ENA | | |
168 | ARIZONA_OUT1R_ENA, 0); | |
03409071 | 169 | if (ret != 0) |
df8c3dbe MB |
170 | dev_warn(arizona->dev, |
171 | "Failed to disable headphone outputs: %d\n", | |
172 | ret); | |
173 | } | |
174 | ||
112bdfaa | 175 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1L, |
43f0acd9 | 176 | mask, val); |
df8c3dbe | 177 | if (ret != 0) |
112bdfaa | 178 | dev_warn(arizona->dev, "Failed to do clamp: %d\n", |
03409071 MB |
179 | ret); |
180 | ||
112bdfaa | 181 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1R, |
43f0acd9 | 182 | mask, val); |
df8c3dbe | 183 | if (ret != 0) |
112bdfaa | 184 | dev_warn(arizona->dev, "Failed to do clamp: %d\n", |
df8c3dbe MB |
185 | ret); |
186 | ||
112bdfaa CK |
187 | /* Restore the desired state while not doing the clamp */ |
188 | if (!clamp) { | |
df8c3dbe MB |
189 | ret = regmap_update_bits(arizona->regmap, |
190 | ARIZONA_OUTPUT_ENABLES_1, | |
191 | ARIZONA_OUT1L_ENA | | |
192 | ARIZONA_OUT1R_ENA, arizona->hp_ena); | |
03409071 | 193 | if (ret != 0) |
df8c3dbe MB |
194 | dev_warn(arizona->dev, |
195 | "Failed to restore headphone outputs: %d\n", | |
03409071 MB |
196 | ret); |
197 | } | |
198 | ||
199 | mutex_unlock(&arizona->dapm->card->dapm_mutex); | |
200 | } | |
201 | ||
f2c32a88 MB |
202 | static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode) |
203 | { | |
204 | struct arizona *arizona = info->arizona; | |
205 | ||
6fed4d86 | 206 | mode %= info->micd_num_modes; |
84eaa136 | 207 | |
cd74f7b3 MB |
208 | if (arizona->pdata.micd_pol_gpio > 0) |
209 | gpio_set_value_cansleep(arizona->pdata.micd_pol_gpio, | |
210 | info->micd_modes[mode].gpio); | |
8e5838dd CK |
211 | else |
212 | gpiod_set_value_cansleep(info->micd_pol_gpio, | |
213 | info->micd_modes[mode].gpio); | |
214 | ||
f2c32a88 MB |
215 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
216 | ARIZONA_MICD_BIAS_SRC_MASK, | |
41024243 CK |
217 | info->micd_modes[mode].bias << |
218 | ARIZONA_MICD_BIAS_SRC_SHIFT); | |
f2c32a88 MB |
219 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, |
220 | ARIZONA_ACCDET_SRC, info->micd_modes[mode].src); | |
221 | ||
222 | info->micd_mode = mode; | |
223 | ||
224 | dev_dbg(arizona->dev, "Set jack polarity to %d\n", mode); | |
225 | } | |
226 | ||
bbbd46e3 MB |
227 | static const char *arizona_extcon_get_micbias(struct arizona_extcon_info *info) |
228 | { | |
41024243 | 229 | switch (info->micd_modes[0].bias) { |
bbbd46e3 MB |
230 | case 1: |
231 | return "MICBIAS1"; | |
232 | case 2: | |
233 | return "MICBIAS2"; | |
234 | case 3: | |
235 | return "MICBIAS3"; | |
236 | default: | |
237 | return "MICVDD"; | |
238 | } | |
239 | } | |
240 | ||
241 | static void arizona_extcon_pulse_micbias(struct arizona_extcon_info *info) | |
242 | { | |
243 | struct arizona *arizona = info->arizona; | |
244 | const char *widget = arizona_extcon_get_micbias(info); | |
245 | struct snd_soc_dapm_context *dapm = arizona->dapm; | |
246 | int ret; | |
247 | ||
bbbd46e3 MB |
248 | ret = snd_soc_dapm_force_enable_pin(dapm, widget); |
249 | if (ret != 0) | |
250 | dev_warn(arizona->dev, "Failed to enable %s: %d\n", | |
251 | widget, ret); | |
252 | ||
bbbd46e3 MB |
253 | snd_soc_dapm_sync(dapm); |
254 | ||
255 | if (!arizona->pdata.micd_force_micbias) { | |
bbbd46e3 MB |
256 | ret = snd_soc_dapm_disable_pin(arizona->dapm, widget); |
257 | if (ret != 0) | |
258 | dev_warn(arizona->dev, "Failed to disable %s: %d\n", | |
259 | widget, ret); | |
260 | ||
bbbd46e3 MB |
261 | snd_soc_dapm_sync(dapm); |
262 | } | |
263 | } | |
264 | ||
9b1270c7 MB |
265 | static void arizona_start_mic(struct arizona_extcon_info *info) |
266 | { | |
267 | struct arizona *arizona = info->arizona; | |
268 | bool change; | |
269 | int ret; | |
270 | ||
9b1270c7 MB |
271 | /* Microphone detection can't use idle mode */ |
272 | pm_runtime_get(info->dev); | |
273 | ||
bbbd46e3 MB |
274 | if (info->detecting) { |
275 | ret = regulator_allow_bypass(info->micvdd, false); | |
276 | if (ret != 0) { | |
277 | dev_err(arizona->dev, | |
278 | "Failed to regulate MICVDD: %d\n", | |
279 | ret); | |
280 | } | |
281 | } | |
282 | ||
9b1270c7 MB |
283 | ret = regulator_enable(info->micvdd); |
284 | if (ret != 0) { | |
285 | dev_err(arizona->dev, "Failed to enable MICVDD: %d\n", | |
286 | ret); | |
287 | } | |
288 | ||
289 | if (info->micd_reva) { | |
290 | regmap_write(arizona->regmap, 0x80, 0x3); | |
291 | regmap_write(arizona->regmap, 0x294, 0); | |
292 | regmap_write(arizona->regmap, 0x80, 0x0); | |
293 | } | |
294 | ||
295 | regmap_update_bits(arizona->regmap, | |
296 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
297 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
298 | ||
bbbd46e3 MB |
299 | arizona_extcon_pulse_micbias(info); |
300 | ||
9b1270c7 MB |
301 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, |
302 | ARIZONA_MICD_ENA, ARIZONA_MICD_ENA, | |
303 | &change); | |
304 | if (!change) { | |
305 | regulator_disable(info->micvdd); | |
306 | pm_runtime_put_autosuspend(info->dev); | |
307 | } | |
308 | } | |
309 | ||
310 | static void arizona_stop_mic(struct arizona_extcon_info *info) | |
311 | { | |
312 | struct arizona *arizona = info->arizona; | |
bbbd46e3 MB |
313 | const char *widget = arizona_extcon_get_micbias(info); |
314 | struct snd_soc_dapm_context *dapm = arizona->dapm; | |
9b1270c7 | 315 | bool change; |
bbbd46e3 | 316 | int ret; |
9b1270c7 MB |
317 | |
318 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
319 | ARIZONA_MICD_ENA, 0, | |
320 | &change); | |
321 | ||
bbbd46e3 MB |
322 | ret = snd_soc_dapm_disable_pin(dapm, widget); |
323 | if (ret != 0) | |
324 | dev_warn(arizona->dev, | |
325 | "Failed to disable %s: %d\n", | |
326 | widget, ret); | |
327 | ||
bbbd46e3 MB |
328 | snd_soc_dapm_sync(dapm); |
329 | ||
9b1270c7 MB |
330 | if (info->micd_reva) { |
331 | regmap_write(arizona->regmap, 0x80, 0x3); | |
332 | regmap_write(arizona->regmap, 0x294, 2); | |
333 | regmap_write(arizona->regmap, 0x80, 0x0); | |
334 | } | |
335 | ||
bbbd46e3 MB |
336 | ret = regulator_allow_bypass(info->micvdd, true); |
337 | if (ret != 0) { | |
338 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", | |
339 | ret); | |
340 | } | |
341 | ||
9b1270c7 MB |
342 | if (change) { |
343 | regulator_disable(info->micvdd); | |
344 | pm_runtime_mark_last_busy(info->dev); | |
345 | pm_runtime_put_autosuspend(info->dev); | |
346 | } | |
347 | } | |
348 | ||
4f340333 | 349 | static struct { |
24a279b1 | 350 | unsigned int threshold; |
4f340333 MB |
351 | unsigned int factor_a; |
352 | unsigned int factor_b; | |
353 | } arizona_hpdet_b_ranges[] = { | |
24a279b1 CK |
354 | { 100, 5528, 362464 }, |
355 | { 169, 11084, 6186851 }, | |
356 | { 169, 11065, 65460395 }, | |
4f340333 MB |
357 | }; |
358 | ||
24a279b1 CK |
359 | #define ARIZONA_HPDET_B_RANGE_MAX 0x3fb |
360 | ||
4f340333 MB |
361 | static struct { |
362 | int min; | |
363 | int max; | |
364 | } arizona_hpdet_c_ranges[] = { | |
365 | { 0, 30 }, | |
366 | { 8, 100 }, | |
367 | { 100, 1000 }, | |
368 | { 1000, 10000 }, | |
369 | }; | |
370 | ||
371 | static int arizona_hpdet_read(struct arizona_extcon_info *info) | |
372 | { | |
373 | struct arizona *arizona = info->arizona; | |
374 | unsigned int val, range; | |
375 | int ret; | |
376 | ||
377 | ret = regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_2, &val); | |
378 | if (ret != 0) { | |
379 | dev_err(arizona->dev, "Failed to read HPDET status: %d\n", | |
380 | ret); | |
381 | return ret; | |
382 | } | |
383 | ||
d0fd5fbc | 384 | switch (info->hpdet_ip_version) { |
4f340333 MB |
385 | case 0: |
386 | if (!(val & ARIZONA_HP_DONE)) { | |
387 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
388 | val); | |
e6dd8cf2 | 389 | return -EAGAIN; |
4f340333 MB |
390 | } |
391 | ||
392 | val &= ARIZONA_HP_LVL_MASK; | |
393 | break; | |
394 | ||
395 | case 1: | |
396 | if (!(val & ARIZONA_HP_DONE_B)) { | |
397 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
398 | val); | |
e6dd8cf2 | 399 | return -EAGAIN; |
4f340333 MB |
400 | } |
401 | ||
402 | ret = regmap_read(arizona->regmap, ARIZONA_HP_DACVAL, &val); | |
403 | if (ret != 0) { | |
404 | dev_err(arizona->dev, "Failed to read HP value: %d\n", | |
405 | ret); | |
e6dd8cf2 | 406 | return -EAGAIN; |
4f340333 MB |
407 | } |
408 | ||
409 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
410 | &range); | |
411 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) | |
412 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; | |
413 | ||
414 | if (range < ARRAY_SIZE(arizona_hpdet_b_ranges) - 1 && | |
24a279b1 CK |
415 | (val < arizona_hpdet_b_ranges[range].threshold || |
416 | val >= ARIZONA_HPDET_B_RANGE_MAX)) { | |
4f340333 MB |
417 | range++; |
418 | dev_dbg(arizona->dev, "Moving to HPDET range %d\n", | |
419 | range); | |
420 | regmap_update_bits(arizona->regmap, | |
421 | ARIZONA_HEADPHONE_DETECT_1, | |
422 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, | |
423 | range << | |
424 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); | |
425 | return -EAGAIN; | |
426 | } | |
427 | ||
428 | /* If we go out of range report top of range */ | |
24a279b1 CK |
429 | if (val < arizona_hpdet_b_ranges[range].threshold || |
430 | val >= ARIZONA_HPDET_B_RANGE_MAX) { | |
4f340333 | 431 | dev_dbg(arizona->dev, "Measurement out of range\n"); |
9dd5e53d | 432 | return ARIZONA_HPDET_MAX; |
4f340333 MB |
433 | } |
434 | ||
435 | dev_dbg(arizona->dev, "HPDET read %d in range %d\n", | |
436 | val, range); | |
437 | ||
438 | val = arizona_hpdet_b_ranges[range].factor_b | |
439 | / ((val * 100) - | |
440 | arizona_hpdet_b_ranges[range].factor_a); | |
441 | break; | |
442 | ||
443 | default: | |
444 | dev_warn(arizona->dev, "Unknown HPDET IP revision %d\n", | |
d0fd5fbc | 445 | info->hpdet_ip_version); |
4f340333 MB |
446 | case 2: |
447 | if (!(val & ARIZONA_HP_DONE_B)) { | |
448 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
449 | val); | |
e6dd8cf2 | 450 | return -EAGAIN; |
4f340333 MB |
451 | } |
452 | ||
453 | val &= ARIZONA_HP_LVL_B_MASK; | |
77438610 CK |
454 | /* Convert to ohms, the value is in 0.5 ohm increments */ |
455 | val /= 2; | |
4f340333 MB |
456 | |
457 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
458 | &range); | |
459 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) | |
460 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; | |
461 | ||
9141461d | 462 | /* Skip up a range, or report? */ |
4f340333 MB |
463 | if (range < ARRAY_SIZE(arizona_hpdet_c_ranges) - 1 && |
464 | (val >= arizona_hpdet_c_ranges[range].max)) { | |
465 | range++; | |
466 | dev_dbg(arizona->dev, "Moving to HPDET range %d-%d\n", | |
467 | arizona_hpdet_c_ranges[range].min, | |
468 | arizona_hpdet_c_ranges[range].max); | |
469 | regmap_update_bits(arizona->regmap, | |
470 | ARIZONA_HEADPHONE_DETECT_1, | |
471 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, | |
472 | range << | |
473 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); | |
474 | return -EAGAIN; | |
475 | } | |
9141461d CK |
476 | |
477 | if (range && (val < arizona_hpdet_c_ranges[range].min)) { | |
478 | dev_dbg(arizona->dev, "Reporting range boundary %d\n", | |
479 | arizona_hpdet_c_ranges[range].min); | |
480 | val = arizona_hpdet_c_ranges[range].min; | |
481 | } | |
4f340333 MB |
482 | } |
483 | ||
484 | dev_dbg(arizona->dev, "HP impedance %d ohms\n", val); | |
485 | return val; | |
486 | } | |
487 | ||
9c2ba270 MB |
488 | static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading, |
489 | bool *mic) | |
dd235eea MB |
490 | { |
491 | struct arizona *arizona = info->arizona; | |
1eda6aa7 | 492 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
dd235eea MB |
493 | |
494 | /* | |
495 | * If we're using HPDET for accessory identification we need | |
496 | * to take multiple measurements, step through them in sequence. | |
497 | */ | |
498 | if (arizona->pdata.hpdet_acc_id) { | |
499 | info->hpdet_res[info->num_hpdet_res++] = *reading; | |
1eda6aa7 MB |
500 | |
501 | /* Only check the mic directly if we didn't already ID it */ | |
9c2ba270 | 502 | if (id_gpio && info->num_hpdet_res == 1) { |
1eda6aa7 MB |
503 | dev_dbg(arizona->dev, "Measuring mic\n"); |
504 | ||
505 | regmap_update_bits(arizona->regmap, | |
506 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
507 | ARIZONA_ACCDET_MODE_MASK | | |
508 | ARIZONA_ACCDET_SRC, | |
509 | ARIZONA_ACCDET_MODE_HPR | | |
510 | info->micd_modes[0].src); | |
511 | ||
512 | gpio_set_value_cansleep(id_gpio, 1); | |
513 | ||
dd235eea MB |
514 | regmap_update_bits(arizona->regmap, |
515 | ARIZONA_HEADPHONE_DETECT_1, | |
516 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
517 | return -EAGAIN; | |
518 | } | |
519 | ||
520 | /* OK, got both. Now, compare... */ | |
9c2ba270 MB |
521 | dev_dbg(arizona->dev, "HPDET measured %d %d\n", |
522 | info->hpdet_res[0], info->hpdet_res[1]); | |
c37b387f MB |
523 | |
524 | /* Take the headphone impedance for the main report */ | |
525 | *reading = info->hpdet_res[0]; | |
526 | ||
9dd5e53d MB |
527 | /* Sometimes we get false readings due to slow insert */ |
528 | if (*reading >= ARIZONA_HPDET_MAX && !info->hpdet_retried) { | |
529 | dev_dbg(arizona->dev, "Retrying high impedance\n"); | |
530 | info->num_hpdet_res = 0; | |
531 | info->hpdet_retried = true; | |
532 | arizona_start_hpdet_acc_id(info); | |
533 | pm_runtime_put(info->dev); | |
534 | return -EAGAIN; | |
535 | } | |
536 | ||
1eda6aa7 | 537 | /* |
d97abdde | 538 | * If we measure the mic as high impedance |
1eda6aa7 | 539 | */ |
9c2ba270 | 540 | if (!id_gpio || info->hpdet_res[1] > 50) { |
dd235eea | 541 | dev_dbg(arizona->dev, "Detected mic\n"); |
9c2ba270 | 542 | *mic = true; |
bf14ee5a | 543 | info->detecting = true; |
dd235eea MB |
544 | } else { |
545 | dev_dbg(arizona->dev, "Detected headphone\n"); | |
546 | } | |
547 | ||
548 | /* Make sure everything is reset back to the real polarity */ | |
549 | regmap_update_bits(arizona->regmap, | |
550 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
551 | ARIZONA_ACCDET_SRC, | |
552 | info->micd_modes[0].src); | |
553 | } | |
554 | ||
555 | return 0; | |
556 | } | |
557 | ||
4f340333 MB |
558 | static irqreturn_t arizona_hpdet_irq(int irq, void *data) |
559 | { | |
560 | struct arizona_extcon_info *info = data; | |
561 | struct arizona *arizona = info->arizona; | |
1eda6aa7 | 562 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
73b6ecdb | 563 | unsigned int report = EXTCON_HEADPHONE; |
dd235eea | 564 | int ret, reading; |
9c2ba270 | 565 | bool mic = false; |
4f340333 MB |
566 | |
567 | mutex_lock(&info->lock); | |
568 | ||
569 | /* If we got a spurious IRQ for some reason then ignore it */ | |
570 | if (!info->hpdet_active) { | |
571 | dev_warn(arizona->dev, "Spurious HPDET IRQ\n"); | |
572 | mutex_unlock(&info->lock); | |
573 | return IRQ_NONE; | |
574 | } | |
575 | ||
576 | /* If the cable was removed while measuring ignore the result */ | |
2a9de9c0 | 577 | ret = extcon_get_cable_state_(info->edev, EXTCON_MECHANICAL); |
4f340333 MB |
578 | if (ret < 0) { |
579 | dev_err(arizona->dev, "Failed to check cable state: %d\n", | |
580 | ret); | |
581 | goto out; | |
582 | } else if (!ret) { | |
583 | dev_dbg(arizona->dev, "Ignoring HPDET for removed cable\n"); | |
584 | goto done; | |
585 | } | |
586 | ||
587 | ret = arizona_hpdet_read(info); | |
d6675667 | 588 | if (ret == -EAGAIN) |
4f340333 | 589 | goto out; |
d6675667 | 590 | else if (ret < 0) |
4f340333 | 591 | goto done; |
dd235eea | 592 | reading = ret; |
4f340333 MB |
593 | |
594 | /* Reset back to starting range */ | |
595 | regmap_update_bits(arizona->regmap, | |
596 | ARIZONA_HEADPHONE_DETECT_1, | |
dd235eea MB |
597 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, |
598 | 0); | |
599 | ||
9c2ba270 | 600 | ret = arizona_hpdet_do_id(info, &reading, &mic); |
d6675667 | 601 | if (ret == -EAGAIN) |
dd235eea | 602 | goto out; |
d6675667 | 603 | else if (ret < 0) |
dd235eea | 604 | goto done; |
4f340333 MB |
605 | |
606 | /* Report high impedence cables as line outputs */ | |
dd235eea | 607 | if (reading >= 5000) |
2a9de9c0 | 608 | report = EXTCON_LINE_OUT; |
4f340333 | 609 | else |
2a9de9c0 | 610 | report = EXTCON_HEADPHONE; |
4f340333 | 611 | |
ef70a214 | 612 | ret = extcon_set_cable_state_(info->edev, report, true); |
4f340333 MB |
613 | if (ret != 0) |
614 | dev_err(arizona->dev, "Failed to report HP/line: %d\n", | |
615 | ret); | |
616 | ||
a3e00d4b CK |
617 | done: |
618 | /* Reset back to starting range */ | |
619 | regmap_update_bits(arizona->regmap, | |
620 | ARIZONA_HEADPHONE_DETECT_1, | |
621 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, | |
622 | 0); | |
623 | ||
112bdfaa | 624 | arizona_extcon_hp_clamp(info, false); |
4f340333 | 625 | |
1eda6aa7 MB |
626 | if (id_gpio) |
627 | gpio_set_value_cansleep(id_gpio, 0); | |
4f340333 MB |
628 | |
629 | /* Revert back to MICDET mode */ | |
630 | regmap_update_bits(arizona->regmap, | |
631 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
632 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
633 | ||
634 | /* If we have a mic then reenable MICDET */ | |
9c2ba270 | 635 | if (mic || info->mic) |
4f340333 MB |
636 | arizona_start_mic(info); |
637 | ||
638 | if (info->hpdet_active) { | |
639 | pm_runtime_put_autosuspend(info->dev); | |
640 | info->hpdet_active = false; | |
641 | } | |
642 | ||
bf14ee5a MB |
643 | info->hpdet_done = true; |
644 | ||
4f340333 MB |
645 | out: |
646 | mutex_unlock(&info->lock); | |
647 | ||
648 | return IRQ_HANDLED; | |
649 | } | |
650 | ||
651 | static void arizona_identify_headphone(struct arizona_extcon_info *info) | |
652 | { | |
653 | struct arizona *arizona = info->arizona; | |
654 | int ret; | |
655 | ||
bf14ee5a MB |
656 | if (info->hpdet_done) |
657 | return; | |
658 | ||
4f340333 MB |
659 | dev_dbg(arizona->dev, "Starting HPDET\n"); |
660 | ||
661 | /* Make sure we keep the device enabled during the measurement */ | |
662 | pm_runtime_get(info->dev); | |
663 | ||
664 | info->hpdet_active = true; | |
665 | ||
666 | if (info->mic) | |
667 | arizona_stop_mic(info); | |
668 | ||
112bdfaa | 669 | arizona_extcon_hp_clamp(info, true); |
4f340333 MB |
670 | |
671 | ret = regmap_update_bits(arizona->regmap, | |
672 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
673 | ARIZONA_ACCDET_MODE_MASK, | |
9e86b2ad | 674 | arizona->pdata.hpdet_channel); |
4f340333 | 675 | if (ret != 0) { |
9e86b2ad | 676 | dev_err(arizona->dev, "Failed to set HPDET mode: %d\n", ret); |
4f340333 MB |
677 | goto err; |
678 | } | |
679 | ||
680 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
681 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
682 | if (ret != 0) { | |
683 | dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n", | |
684 | ret); | |
685 | goto err; | |
686 | } | |
687 | ||
688 | return; | |
689 | ||
690 | err: | |
691 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, | |
692 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
693 | ||
694 | /* Just report headphone */ | |
2a9de9c0 | 695 | ret = extcon_set_cable_state_(info->edev, EXTCON_HEADPHONE, true); |
4f340333 MB |
696 | if (ret != 0) |
697 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); | |
698 | ||
699 | if (info->mic) | |
700 | arizona_start_mic(info); | |
701 | ||
702 | info->hpdet_active = false; | |
703 | } | |
dd235eea MB |
704 | |
705 | static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info) | |
706 | { | |
707 | struct arizona *arizona = info->arizona; | |
9c2ba270 MB |
708 | int hp_reading = 32; |
709 | bool mic; | |
dd235eea MB |
710 | int ret; |
711 | ||
712 | dev_dbg(arizona->dev, "Starting identification via HPDET\n"); | |
713 | ||
714 | /* Make sure we keep the device enabled during the measurement */ | |
0e27bd31 | 715 | pm_runtime_get_sync(info->dev); |
dd235eea MB |
716 | |
717 | info->hpdet_active = true; | |
718 | ||
112bdfaa | 719 | arizona_extcon_hp_clamp(info, true); |
dd235eea MB |
720 | |
721 | ret = regmap_update_bits(arizona->regmap, | |
722 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
723 | ARIZONA_ACCDET_SRC | ARIZONA_ACCDET_MODE_MASK, | |
724 | info->micd_modes[0].src | | |
9e86b2ad | 725 | arizona->pdata.hpdet_channel); |
dd235eea | 726 | if (ret != 0) { |
9e86b2ad | 727 | dev_err(arizona->dev, "Failed to set HPDET mode: %d\n", ret); |
dd235eea MB |
728 | goto err; |
729 | } | |
730 | ||
9c2ba270 MB |
731 | if (arizona->pdata.hpdet_acc_id_line) { |
732 | ret = regmap_update_bits(arizona->regmap, | |
733 | ARIZONA_HEADPHONE_DETECT_1, | |
734 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
735 | if (ret != 0) { | |
736 | dev_err(arizona->dev, | |
737 | "Can't start HPDETL measurement: %d\n", | |
738 | ret); | |
739 | goto err; | |
740 | } | |
741 | } else { | |
742 | arizona_hpdet_do_id(info, &hp_reading, &mic); | |
4f340333 MB |
743 | } |
744 | ||
dd235eea MB |
745 | return; |
746 | ||
747 | err: | |
748 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, | |
749 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
750 | ||
751 | /* Just report headphone */ | |
2a9de9c0 | 752 | ret = extcon_set_cable_state_(info->edev, EXTCON_HEADPHONE, true); |
dd235eea MB |
753 | if (ret != 0) |
754 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); | |
755 | ||
4f340333 MB |
756 | info->hpdet_active = false; |
757 | } | |
758 | ||
939c5671 MB |
759 | static void arizona_micd_timeout_work(struct work_struct *work) |
760 | { | |
761 | struct arizona_extcon_info *info = container_of(work, | |
c2275d2f CC |
762 | struct arizona_extcon_info, |
763 | micd_timeout_work.work); | |
939c5671 MB |
764 | |
765 | mutex_lock(&info->lock); | |
766 | ||
767 | dev_dbg(info->arizona->dev, "MICD timed out, reporting HP\n"); | |
939c5671 MB |
768 | |
769 | info->detecting = false; | |
770 | ||
0ffe8cbd CK |
771 | arizona_identify_headphone(info); |
772 | ||
939c5671 MB |
773 | arizona_stop_mic(info); |
774 | ||
775 | mutex_unlock(&info->lock); | |
776 | } | |
777 | ||
cd59e796 | 778 | static void arizona_micd_detect(struct work_struct *work) |
f2c32a88 | 779 | { |
cd59e796 | 780 | struct arizona_extcon_info *info = container_of(work, |
c2275d2f CC |
781 | struct arizona_extcon_info, |
782 | micd_detect_work.work); | |
f2c32a88 | 783 | struct arizona *arizona = info->arizona; |
e2c0f476 | 784 | unsigned int val = 0, lvl; |
6fed4d86 | 785 | int ret, i, key; |
f2c32a88 | 786 | |
939c5671 MB |
787 | cancel_delayed_work_sync(&info->micd_timeout_work); |
788 | ||
f2c32a88 MB |
789 | mutex_lock(&info->lock); |
790 | ||
31a847e6 | 791 | /* If the cable was removed while measuring ignore the result */ |
2a9de9c0 | 792 | ret = extcon_get_cable_state_(info->edev, EXTCON_MECHANICAL); |
31a847e6 CK |
793 | if (ret < 0) { |
794 | dev_err(arizona->dev, "Failed to check cable state: %d\n", | |
795 | ret); | |
796 | mutex_unlock(&info->lock); | |
797 | return; | |
798 | } else if (!ret) { | |
799 | dev_dbg(arizona->dev, "Ignoring MICDET for removed cable\n"); | |
800 | mutex_unlock(&info->lock); | |
801 | return; | |
802 | } | |
803 | ||
ffae24fe | 804 | for (i = 0; i < 10 && !(val & MICD_LVL_0_TO_8); i++) { |
e2c0f476 CK |
805 | ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val); |
806 | if (ret != 0) { | |
c2275d2f CC |
807 | dev_err(arizona->dev, |
808 | "Failed to read MICDET: %d\n", ret); | |
e2c0f476 | 809 | mutex_unlock(&info->lock); |
cd59e796 | 810 | return; |
e2c0f476 CK |
811 | } |
812 | ||
813 | dev_dbg(arizona->dev, "MICDET: %x\n", val); | |
f2c32a88 | 814 | |
e2c0f476 | 815 | if (!(val & ARIZONA_MICD_VALID)) { |
c2275d2f CC |
816 | dev_warn(arizona->dev, |
817 | "Microphone detection state invalid\n"); | |
e2c0f476 | 818 | mutex_unlock(&info->lock); |
cd59e796 | 819 | return; |
e2c0f476 CK |
820 | } |
821 | } | |
f2c32a88 | 822 | |
ffae24fe | 823 | if (i == 10 && !(val & MICD_LVL_0_TO_8)) { |
e2c0f476 | 824 | dev_err(arizona->dev, "Failed to get valid MICDET value\n"); |
f2c32a88 | 825 | mutex_unlock(&info->lock); |
cd59e796 | 826 | return; |
f2c32a88 MB |
827 | } |
828 | ||
829 | /* Due to jack detect this should never happen */ | |
830 | if (!(val & ARIZONA_MICD_STS)) { | |
831 | dev_warn(arizona->dev, "Detected open circuit\n"); | |
832 | info->detecting = false; | |
833 | goto handled; | |
834 | } | |
835 | ||
836 | /* If we got a high impedence we should have a headset, report it. */ | |
ffae24fe | 837 | if (info->detecting && (val & ARIZONA_MICD_LVL_8)) { |
0ffe8cbd CK |
838 | info->mic = true; |
839 | info->detecting = false; | |
840 | ||
4f340333 MB |
841 | arizona_identify_headphone(info); |
842 | ||
34602486 | 843 | ret = extcon_set_cable_state_(info->edev, |
2a9de9c0 | 844 | EXTCON_MICROPHONE, true); |
f2c32a88 MB |
845 | if (ret != 0) |
846 | dev_err(arizona->dev, "Headset report failed: %d\n", | |
847 | ret); | |
848 | ||
bbbd46e3 | 849 | /* Don't need to regulate for button detection */ |
e368f525 | 850 | ret = regulator_allow_bypass(info->micvdd, true); |
bbbd46e3 MB |
851 | if (ret != 0) { |
852 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", | |
853 | ret); | |
854 | } | |
855 | ||
f2c32a88 MB |
856 | goto handled; |
857 | } | |
858 | ||
859 | /* If we detected a lower impedence during initial startup | |
860 | * then we probably have the wrong polarity, flip it. Don't | |
861 | * do this for the lowest impedences to speed up detection of | |
862 | * plain headphones. If both polarities report a low | |
863 | * impedence then give up and report headphones. | |
864 | */ | |
ffae24fe | 865 | if (info->detecting && (val & MICD_LVL_1_TO_7)) { |
84eaa136 | 866 | if (info->jack_flips >= info->micd_num_modes * 10) { |
4f340333 | 867 | dev_dbg(arizona->dev, "Detected HP/line\n"); |
4f340333 | 868 | |
f2c32a88 | 869 | info->detecting = false; |
9ef2224d | 870 | |
0ffe8cbd CK |
871 | arizona_identify_headphone(info); |
872 | ||
4f340333 | 873 | arizona_stop_mic(info); |
f2c32a88 MB |
874 | } else { |
875 | info->micd_mode++; | |
876 | if (info->micd_mode == info->micd_num_modes) | |
877 | info->micd_mode = 0; | |
878 | arizona_extcon_set_mode(info, info->micd_mode); | |
879 | ||
880 | info->jack_flips++; | |
881 | } | |
882 | ||
883 | goto handled; | |
884 | } | |
885 | ||
886 | /* | |
887 | * If we're still detecting and we detect a short then we've | |
34efe4dc | 888 | * got a headphone. Otherwise it's a button press. |
f2c32a88 | 889 | */ |
ffae24fe | 890 | if (val & MICD_LVL_0_TO_7) { |
f2c32a88 MB |
891 | if (info->mic) { |
892 | dev_dbg(arizona->dev, "Mic button detected\n"); | |
893 | ||
34efe4dc MB |
894 | lvl = val & ARIZONA_MICD_LVL_MASK; |
895 | lvl >>= ARIZONA_MICD_LVL_SHIFT; | |
896 | ||
41a57850 MB |
897 | for (i = 0; i < info->num_micd_ranges; i++) |
898 | input_report_key(info->input, | |
899 | info->micd_ranges[i].key, 0); | |
900 | ||
6fed4d86 MB |
901 | WARN_ON(!lvl); |
902 | WARN_ON(ffs(lvl) - 1 >= info->num_micd_ranges); | |
903 | if (lvl && ffs(lvl) - 1 < info->num_micd_ranges) { | |
904 | key = info->micd_ranges[ffs(lvl) - 1].key; | |
905 | input_report_key(info->input, key, 1); | |
906 | input_sync(info->input); | |
907 | } | |
34efe4dc | 908 | |
f2c32a88 MB |
909 | } else if (info->detecting) { |
910 | dev_dbg(arizona->dev, "Headphone detected\n"); | |
911 | info->detecting = false; | |
912 | arizona_stop_mic(info); | |
913 | ||
4f340333 | 914 | arizona_identify_headphone(info); |
f2c32a88 MB |
915 | } else { |
916 | dev_warn(arizona->dev, "Button with no mic: %x\n", | |
917 | val); | |
918 | } | |
919 | } else { | |
920 | dev_dbg(arizona->dev, "Mic button released\n"); | |
6fed4d86 | 921 | for (i = 0; i < info->num_micd_ranges; i++) |
34efe4dc | 922 | input_report_key(info->input, |
6fed4d86 | 923 | info->micd_ranges[i].key, 0); |
34efe4dc | 924 | input_sync(info->input); |
bbbd46e3 | 925 | arizona_extcon_pulse_micbias(info); |
f2c32a88 MB |
926 | } |
927 | ||
928 | handled: | |
939c5671 | 929 | if (info->detecting) |
df9a5ab4 MB |
930 | queue_delayed_work(system_power_efficient_wq, |
931 | &info->micd_timeout_work, | |
932 | msecs_to_jiffies(info->micd_timeout)); | |
939c5671 | 933 | |
f2c32a88 MB |
934 | pm_runtime_mark_last_busy(info->dev); |
935 | mutex_unlock(&info->lock); | |
cd59e796 MB |
936 | } |
937 | ||
938 | static irqreturn_t arizona_micdet(int irq, void *data) | |
939 | { | |
940 | struct arizona_extcon_info *info = data; | |
941 | struct arizona *arizona = info->arizona; | |
942 | int debounce = arizona->pdata.micd_detect_debounce; | |
943 | ||
944 | cancel_delayed_work_sync(&info->micd_detect_work); | |
945 | cancel_delayed_work_sync(&info->micd_timeout_work); | |
946 | ||
947 | mutex_lock(&info->lock); | |
948 | if (!info->detecting) | |
949 | debounce = 0; | |
950 | mutex_unlock(&info->lock); | |
951 | ||
952 | if (debounce) | |
df9a5ab4 MB |
953 | queue_delayed_work(system_power_efficient_wq, |
954 | &info->micd_detect_work, | |
955 | msecs_to_jiffies(debounce)); | |
cd59e796 MB |
956 | else |
957 | arizona_micd_detect(&info->micd_detect_work.work); | |
f2c32a88 MB |
958 | |
959 | return IRQ_HANDLED; | |
960 | } | |
961 | ||
0e27bd31 MB |
962 | static void arizona_hpdet_work(struct work_struct *work) |
963 | { | |
964 | struct arizona_extcon_info *info = container_of(work, | |
c2275d2f CC |
965 | struct arizona_extcon_info, |
966 | hpdet_work.work); | |
0e27bd31 MB |
967 | |
968 | mutex_lock(&info->lock); | |
969 | arizona_start_hpdet_acc_id(info); | |
970 | mutex_unlock(&info->lock); | |
971 | } | |
972 | ||
f2c32a88 MB |
973 | static irqreturn_t arizona_jackdet(int irq, void *data) |
974 | { | |
975 | struct arizona_extcon_info *info = data; | |
976 | struct arizona *arizona = info->arizona; | |
92a49871 | 977 | unsigned int val, present, mask; |
939c5671 | 978 | bool cancelled_hp, cancelled_mic; |
34efe4dc | 979 | int ret, i; |
f2c32a88 | 980 | |
939c5671 MB |
981 | cancelled_hp = cancel_delayed_work_sync(&info->hpdet_work); |
982 | cancelled_mic = cancel_delayed_work_sync(&info->micd_timeout_work); | |
f2c32a88 | 983 | |
a3e2078d | 984 | pm_runtime_get_sync(info->dev); |
0e27bd31 | 985 | |
f2c32a88 MB |
986 | mutex_lock(&info->lock); |
987 | ||
92a49871 MB |
988 | if (arizona->pdata.jd_gpio5) { |
989 | mask = ARIZONA_MICD_CLAMP_STS; | |
a288d648 RF |
990 | if (arizona->pdata.jd_invert) |
991 | present = ARIZONA_MICD_CLAMP_STS; | |
992 | else | |
993 | present = 0; | |
92a49871 MB |
994 | } else { |
995 | mask = ARIZONA_JD1_STS; | |
a288d648 RF |
996 | if (arizona->pdata.jd_invert) |
997 | present = 0; | |
998 | else | |
999 | present = ARIZONA_JD1_STS; | |
92a49871 MB |
1000 | } |
1001 | ||
f2c32a88 MB |
1002 | ret = regmap_read(arizona->regmap, ARIZONA_AOD_IRQ_RAW_STATUS, &val); |
1003 | if (ret != 0) { | |
1004 | dev_err(arizona->dev, "Failed to read jackdet status: %d\n", | |
1005 | ret); | |
1006 | mutex_unlock(&info->lock); | |
1007 | pm_runtime_put_autosuspend(info->dev); | |
1008 | return IRQ_NONE; | |
1009 | } | |
1010 | ||
a3e2078d MB |
1011 | val &= mask; |
1012 | if (val == info->last_jackdet) { | |
1013 | dev_dbg(arizona->dev, "Suppressing duplicate JACKDET\n"); | |
939c5671 | 1014 | if (cancelled_hp) |
df9a5ab4 MB |
1015 | queue_delayed_work(system_power_efficient_wq, |
1016 | &info->hpdet_work, | |
1017 | msecs_to_jiffies(HPDET_DEBOUNCE)); | |
a3e2078d | 1018 | |
c2275d2f CC |
1019 | if (cancelled_mic) { |
1020 | int micd_timeout = info->micd_timeout; | |
1021 | ||
df9a5ab4 MB |
1022 | queue_delayed_work(system_power_efficient_wq, |
1023 | &info->micd_timeout_work, | |
c2275d2f CC |
1024 | msecs_to_jiffies(micd_timeout)); |
1025 | } | |
939c5671 | 1026 | |
a3e2078d MB |
1027 | goto out; |
1028 | } | |
1029 | info->last_jackdet = val; | |
1030 | ||
1031 | if (info->last_jackdet == present) { | |
f2c32a88 | 1032 | dev_dbg(arizona->dev, "Detected jack\n"); |
ef70a214 | 1033 | ret = extcon_set_cable_state_(info->edev, |
2a9de9c0 | 1034 | EXTCON_MECHANICAL, true); |
f2c32a88 MB |
1035 | |
1036 | if (ret != 0) | |
1037 | dev_err(arizona->dev, "Mechanical report failed: %d\n", | |
1038 | ret); | |
1039 | ||
dd235eea MB |
1040 | if (!arizona->pdata.hpdet_acc_id) { |
1041 | info->detecting = true; | |
1042 | info->mic = false; | |
1043 | info->jack_flips = 0; | |
1044 | ||
1045 | arizona_start_mic(info); | |
1046 | } else { | |
df9a5ab4 MB |
1047 | queue_delayed_work(system_power_efficient_wq, |
1048 | &info->hpdet_work, | |
1049 | msecs_to_jiffies(HPDET_DEBOUNCE)); | |
dd235eea | 1050 | } |
4e616877 MB |
1051 | |
1052 | regmap_update_bits(arizona->regmap, | |
1053 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1054 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, 0); | |
f2c32a88 MB |
1055 | } else { |
1056 | dev_dbg(arizona->dev, "Detected jack removal\n"); | |
1057 | ||
1058 | arizona_stop_mic(info); | |
1059 | ||
dd235eea MB |
1060 | info->num_hpdet_res = 0; |
1061 | for (i = 0; i < ARRAY_SIZE(info->hpdet_res); i++) | |
1062 | info->hpdet_res[i] = 0; | |
1063 | info->mic = false; | |
bf14ee5a | 1064 | info->hpdet_done = false; |
9dd5e53d | 1065 | info->hpdet_retried = false; |
92a49871 | 1066 | |
6fed4d86 | 1067 | for (i = 0; i < info->num_micd_ranges; i++) |
34efe4dc | 1068 | input_report_key(info->input, |
6fed4d86 | 1069 | info->micd_ranges[i].key, 0); |
34efe4dc MB |
1070 | input_sync(info->input); |
1071 | ||
ef70a214 | 1072 | ret = extcon_update_state(info->edev, 0xffffffff, 0); |
f2c32a88 MB |
1073 | if (ret != 0) |
1074 | dev_err(arizona->dev, "Removal report failed: %d\n", | |
1075 | ret); | |
4e616877 MB |
1076 | |
1077 | regmap_update_bits(arizona->regmap, | |
1078 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1079 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, | |
1080 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB); | |
f2c32a88 MB |
1081 | } |
1082 | ||
7abd4e2a MB |
1083 | if (arizona->pdata.micd_timeout) |
1084 | info->micd_timeout = arizona->pdata.micd_timeout; | |
1085 | else | |
1086 | info->micd_timeout = DEFAULT_MICD_TIMEOUT; | |
1087 | ||
cb9005d7 | 1088 | out: |
5d9ab708 CK |
1089 | /* Clear trig_sts to make sure DCVDD is not forced up */ |
1090 | regmap_write(arizona->regmap, ARIZONA_AOD_WKUP_AND_TRIG, | |
1091 | ARIZONA_MICD_CLAMP_FALL_TRIG_STS | | |
1092 | ARIZONA_MICD_CLAMP_RISE_TRIG_STS | | |
1093 | ARIZONA_JD1_FALL_TRIG_STS | | |
1094 | ARIZONA_JD1_RISE_TRIG_STS); | |
1095 | ||
f2c32a88 MB |
1096 | mutex_unlock(&info->lock); |
1097 | ||
1098 | pm_runtime_mark_last_busy(info->dev); | |
1099 | pm_runtime_put_autosuspend(info->dev); | |
1100 | ||
1101 | return IRQ_HANDLED; | |
1102 | } | |
1103 | ||
6fed4d86 MB |
1104 | /* Map a level onto a slot in the register bank */ |
1105 | static void arizona_micd_set_level(struct arizona *arizona, int index, | |
1106 | unsigned int level) | |
1107 | { | |
1108 | int reg; | |
1109 | unsigned int mask; | |
1110 | ||
1111 | reg = ARIZONA_MIC_DETECT_LEVEL_4 - (index / 2); | |
1112 | ||
1113 | if (!(index % 2)) { | |
1114 | mask = 0x3f00; | |
1115 | level <<= 8; | |
1116 | } else { | |
1117 | mask = 0x3f; | |
1118 | } | |
1119 | ||
1120 | /* Program the level itself */ | |
1121 | regmap_update_bits(arizona->regmap, reg, mask, level); | |
1122 | } | |
1123 | ||
feffb0cc | 1124 | static int arizona_extcon_device_get_pdata(struct arizona *arizona) |
9e86b2ad IS |
1125 | { |
1126 | struct arizona_pdata *pdata = &arizona->pdata; | |
1127 | unsigned int val = ARIZONA_ACCDET_MODE_HPL; | |
1128 | ||
feffb0cc | 1129 | device_property_read_u32(arizona->dev, "wlf,hpdet-channel", &val); |
9e86b2ad IS |
1130 | switch (val) { |
1131 | case ARIZONA_ACCDET_MODE_HPL: | |
1132 | case ARIZONA_ACCDET_MODE_HPR: | |
1133 | pdata->hpdet_channel = val; | |
1134 | break; | |
1135 | default: | |
1136 | dev_err(arizona->dev, | |
1137 | "Wrong wlf,hpdet-channel DT value %d\n", val); | |
1138 | pdata->hpdet_channel = ARIZONA_ACCDET_MODE_HPL; | |
1139 | } | |
1140 | ||
4778d44f CK |
1141 | device_property_read_u32(arizona->dev, "wlf,micd-detect-debounce", |
1142 | &pdata->micd_detect_debounce); | |
1143 | ||
1144 | device_property_read_u32(arizona->dev, "wlf,micd-bias-start-time", | |
1145 | &pdata->micd_bias_start_time); | |
1146 | ||
1147 | device_property_read_u32(arizona->dev, "wlf,micd-rate", | |
1148 | &pdata->micd_rate); | |
1149 | ||
1150 | device_property_read_u32(arizona->dev, "wlf,micd-dbtime", | |
1151 | &pdata->micd_dbtime); | |
1152 | ||
1153 | device_property_read_u32(arizona->dev, "wlf,micd-timeout", | |
1154 | &pdata->micd_timeout); | |
1155 | ||
1156 | pdata->micd_force_micbias = device_property_read_bool(arizona->dev, | |
1157 | "wlf,micd-force-micbias"); | |
1158 | ||
9e86b2ad IS |
1159 | return 0; |
1160 | } | |
1161 | ||
44f34fd4 | 1162 | static int arizona_extcon_probe(struct platform_device *pdev) |
f2c32a88 MB |
1163 | { |
1164 | struct arizona *arizona = dev_get_drvdata(pdev->dev.parent); | |
6ac6b475 | 1165 | struct arizona_pdata *pdata = &arizona->pdata; |
f2c32a88 | 1166 | struct arizona_extcon_info *info; |
e56a0a57 | 1167 | unsigned int val; |
a288d648 | 1168 | unsigned int clamp_mode; |
92a49871 | 1169 | int jack_irq_fall, jack_irq_rise; |
6fed4d86 | 1170 | int ret, mode, i, j; |
f2c32a88 | 1171 | |
bbbd46e3 MB |
1172 | if (!arizona->dapm || !arizona->dapm->card) |
1173 | return -EPROBE_DEFER; | |
1174 | ||
f2c32a88 | 1175 | info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); |
0a16ee63 | 1176 | if (!info) |
d88cc367 | 1177 | return -ENOMEM; |
f2c32a88 | 1178 | |
feffb0cc CK |
1179 | if (!dev_get_platdata(arizona->dev)) |
1180 | arizona_extcon_device_get_pdata(arizona); | |
9e86b2ad | 1181 | |
17271f60 | 1182 | info->micvdd = devm_regulator_get(&pdev->dev, "MICVDD"); |
f2c32a88 MB |
1183 | if (IS_ERR(info->micvdd)) { |
1184 | ret = PTR_ERR(info->micvdd); | |
1185 | dev_err(arizona->dev, "Failed to get MICVDD: %d\n", ret); | |
d88cc367 | 1186 | return ret; |
f2c32a88 MB |
1187 | } |
1188 | ||
1189 | mutex_init(&info->lock); | |
1190 | info->arizona = arizona; | |
1191 | info->dev = &pdev->dev; | |
a3e2078d | 1192 | info->last_jackdet = ~(ARIZONA_MICD_CLAMP_STS | ARIZONA_JD1_STS); |
0e27bd31 | 1193 | INIT_DELAYED_WORK(&info->hpdet_work, arizona_hpdet_work); |
cd59e796 | 1194 | INIT_DELAYED_WORK(&info->micd_detect_work, arizona_micd_detect); |
939c5671 | 1195 | INIT_DELAYED_WORK(&info->micd_timeout_work, arizona_micd_timeout_work); |
f2c32a88 MB |
1196 | platform_set_drvdata(pdev, info); |
1197 | ||
1198 | switch (arizona->type) { | |
1199 | case WM5102: | |
1200 | switch (arizona->rev) { | |
1201 | case 0: | |
1202 | info->micd_reva = true; | |
1203 | break; | |
1204 | default: | |
dab63eb2 | 1205 | info->micd_clamp = true; |
d0fd5fbc | 1206 | info->hpdet_ip_version = 1; |
f2c32a88 MB |
1207 | break; |
1208 | } | |
1209 | break; | |
77438610 | 1210 | case WM5110: |
2f2b6aa8 | 1211 | case WM8280: |
77438610 CK |
1212 | switch (arizona->rev) { |
1213 | case 0 ... 2: | |
1214 | break; | |
1215 | default: | |
1216 | info->micd_clamp = true; | |
d0fd5fbc | 1217 | info->hpdet_ip_version = 2; |
77438610 CK |
1218 | break; |
1219 | } | |
1220 | break; | |
f2c32a88 MB |
1221 | default: |
1222 | break; | |
1223 | } | |
1224 | ||
ef70a214 CC |
1225 | info->edev = devm_extcon_dev_allocate(&pdev->dev, arizona_cable); |
1226 | if (IS_ERR(info->edev)) { | |
1227 | dev_err(&pdev->dev, "failed to allocate extcon device\n"); | |
1228 | return -ENOMEM; | |
1229 | } | |
f2c32a88 | 1230 | |
ef70a214 | 1231 | ret = devm_extcon_dev_register(&pdev->dev, info->edev); |
f2c32a88 | 1232 | if (ret < 0) { |
8e5f5018 | 1233 | dev_err(arizona->dev, "extcon_dev_register() failed: %d\n", |
f2c32a88 | 1234 | ret); |
d88cc367 | 1235 | return ret; |
f2c32a88 MB |
1236 | } |
1237 | ||
6fed4d86 MB |
1238 | info->input = devm_input_allocate_device(&pdev->dev); |
1239 | if (!info->input) { | |
1240 | dev_err(arizona->dev, "Can't allocate input dev\n"); | |
1241 | ret = -ENOMEM; | |
1242 | goto err_register; | |
1243 | } | |
1244 | ||
1245 | info->input->name = "Headset"; | |
1246 | info->input->phys = "arizona/extcon"; | |
6fed4d86 | 1247 | |
f2c32a88 MB |
1248 | if (pdata->num_micd_configs) { |
1249 | info->micd_modes = pdata->micd_configs; | |
1250 | info->micd_num_modes = pdata->num_micd_configs; | |
1251 | } else { | |
1252 | info->micd_modes = micd_default_modes; | |
1253 | info->micd_num_modes = ARRAY_SIZE(micd_default_modes); | |
1254 | } | |
1255 | ||
1256 | if (arizona->pdata.micd_pol_gpio > 0) { | |
1257 | if (info->micd_modes[0].gpio) | |
1258 | mode = GPIOF_OUT_INIT_HIGH; | |
1259 | else | |
1260 | mode = GPIOF_OUT_INIT_LOW; | |
1261 | ||
1262 | ret = devm_gpio_request_one(&pdev->dev, | |
1263 | arizona->pdata.micd_pol_gpio, | |
1264 | mode, | |
1265 | "MICD polarity"); | |
1266 | if (ret != 0) { | |
1267 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", | |
1268 | arizona->pdata.micd_pol_gpio, ret); | |
1269 | goto err_register; | |
1270 | } | |
8e5838dd CK |
1271 | } else { |
1272 | if (info->micd_modes[0].gpio) | |
1273 | mode = GPIOD_OUT_HIGH; | |
1274 | else | |
1275 | mode = GPIOD_OUT_LOW; | |
1276 | ||
1277 | /* We can't use devm here because we need to do the get | |
1278 | * against the MFD device, as that is where the of_node | |
1279 | * will reside, but if we devm against that the GPIO | |
1280 | * will not be freed if the extcon driver is unloaded. | |
1281 | */ | |
1282 | info->micd_pol_gpio = gpiod_get_optional(arizona->dev, | |
1283 | "wlf,micd-pol", | |
1284 | GPIOD_OUT_LOW); | |
1285 | if (IS_ERR(info->micd_pol_gpio)) { | |
1286 | ret = PTR_ERR(info->micd_pol_gpio); | |
1287 | dev_err(arizona->dev, | |
1288 | "Failed to get microphone polarity GPIO: %d\n", | |
1289 | ret); | |
1290 | goto err_register; | |
1291 | } | |
f2c32a88 MB |
1292 | } |
1293 | ||
1eda6aa7 MB |
1294 | if (arizona->pdata.hpdet_id_gpio > 0) { |
1295 | ret = devm_gpio_request_one(&pdev->dev, | |
1296 | arizona->pdata.hpdet_id_gpio, | |
1297 | GPIOF_OUT_INIT_LOW, | |
1298 | "HPDET"); | |
1299 | if (ret != 0) { | |
1300 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", | |
1301 | arizona->pdata.hpdet_id_gpio, ret); | |
8e5838dd | 1302 | goto err_gpio; |
1eda6aa7 MB |
1303 | } |
1304 | } | |
1305 | ||
b17e5462 MB |
1306 | if (arizona->pdata.micd_bias_start_time) |
1307 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1308 | ARIZONA_MICD_BIAS_STARTTIME_MASK, | |
1309 | arizona->pdata.micd_bias_start_time | |
1310 | << ARIZONA_MICD_BIAS_STARTTIME_SHIFT); | |
1311 | ||
2e033db5 MB |
1312 | if (arizona->pdata.micd_rate) |
1313 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1314 | ARIZONA_MICD_RATE_MASK, | |
1315 | arizona->pdata.micd_rate | |
1316 | << ARIZONA_MICD_RATE_SHIFT); | |
1317 | ||
1318 | if (arizona->pdata.micd_dbtime) | |
1319 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1320 | ARIZONA_MICD_DBTIME_MASK, | |
1321 | arizona->pdata.micd_dbtime | |
1322 | << ARIZONA_MICD_DBTIME_SHIFT); | |
1323 | ||
6fed4d86 MB |
1324 | BUILD_BUG_ON(ARRAY_SIZE(arizona_micd_levels) != 0x40); |
1325 | ||
1326 | if (arizona->pdata.num_micd_ranges) { | |
1327 | info->micd_ranges = pdata->micd_ranges; | |
1328 | info->num_micd_ranges = pdata->num_micd_ranges; | |
1329 | } else { | |
1330 | info->micd_ranges = micd_default_ranges; | |
1331 | info->num_micd_ranges = ARRAY_SIZE(micd_default_ranges); | |
1332 | } | |
1333 | ||
1334 | if (arizona->pdata.num_micd_ranges > ARIZONA_MAX_MICD_RANGE) { | |
1335 | dev_err(arizona->dev, "Too many MICD ranges: %d\n", | |
1336 | arizona->pdata.num_micd_ranges); | |
1337 | } | |
1338 | ||
1339 | if (info->num_micd_ranges > 1) { | |
1340 | for (i = 1; i < info->num_micd_ranges; i++) { | |
1341 | if (info->micd_ranges[i - 1].max > | |
1342 | info->micd_ranges[i].max) { | |
1343 | dev_err(arizona->dev, | |
1344 | "MICD ranges must be sorted\n"); | |
1345 | ret = -EINVAL; | |
8e5838dd | 1346 | goto err_gpio; |
6fed4d86 MB |
1347 | } |
1348 | } | |
1349 | } | |
1350 | ||
1351 | /* Disable all buttons by default */ | |
1352 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2, | |
1353 | ARIZONA_MICD_LVL_SEL_MASK, 0x81); | |
1354 | ||
1355 | /* Set up all the buttons the user specified */ | |
1356 | for (i = 0; i < info->num_micd_ranges; i++) { | |
1357 | for (j = 0; j < ARRAY_SIZE(arizona_micd_levels); j++) | |
1358 | if (arizona_micd_levels[j] >= info->micd_ranges[i].max) | |
1359 | break; | |
1360 | ||
1361 | if (j == ARRAY_SIZE(arizona_micd_levels)) { | |
1362 | dev_err(arizona->dev, "Unsupported MICD level %d\n", | |
1363 | info->micd_ranges[i].max); | |
1364 | ret = -EINVAL; | |
8e5838dd | 1365 | goto err_gpio; |
6fed4d86 MB |
1366 | } |
1367 | ||
1368 | dev_dbg(arizona->dev, "%d ohms for MICD threshold %d\n", | |
1369 | arizona_micd_levels[j], i); | |
1370 | ||
1371 | arizona_micd_set_level(arizona, i, j); | |
1372 | input_set_capability(info->input, EV_KEY, | |
1373 | info->micd_ranges[i].key); | |
1374 | ||
1375 | /* Enable reporting of that range */ | |
1376 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2, | |
1377 | 1 << i, 1 << i); | |
1378 | } | |
1379 | ||
1380 | /* Set all the remaining keys to a maximum */ | |
1381 | for (; i < ARIZONA_MAX_MICD_RANGE; i++) | |
1382 | arizona_micd_set_level(arizona, i, 0x3f); | |
1383 | ||
dab63eb2 | 1384 | /* |
92a49871 MB |
1385 | * If we have a clamp use it, activating in conjunction with |
1386 | * GPIO5 if that is connected for jack detect operation. | |
dab63eb2 MB |
1387 | */ |
1388 | if (info->micd_clamp) { | |
92a49871 | 1389 | if (arizona->pdata.jd_gpio5) { |
e56a0a57 MB |
1390 | /* Put the GPIO into input mode with optional pull */ |
1391 | val = 0xc101; | |
1392 | if (arizona->pdata.jd_gpio5_nopull) | |
1393 | val &= ~ARIZONA_GPN_PU; | |
1394 | ||
92a49871 | 1395 | regmap_write(arizona->regmap, ARIZONA_GPIO5_CTRL, |
e56a0a57 | 1396 | val); |
92a49871 | 1397 | |
a288d648 RF |
1398 | if (arizona->pdata.jd_invert) |
1399 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH_GP5H; | |
1400 | else | |
1401 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL_GP5H; | |
92a49871 | 1402 | } else { |
a288d648 RF |
1403 | if (arizona->pdata.jd_invert) |
1404 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH; | |
1405 | else | |
1406 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL; | |
92a49871 MB |
1407 | } |
1408 | ||
a288d648 RF |
1409 | regmap_update_bits(arizona->regmap, |
1410 | ARIZONA_MICD_CLAMP_CONTROL, | |
1411 | ARIZONA_MICD_CLAMP_MODE_MASK, clamp_mode); | |
1412 | ||
dab63eb2 MB |
1413 | regmap_update_bits(arizona->regmap, |
1414 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1415 | ARIZONA_MICD_CLAMP_DB, | |
1416 | ARIZONA_MICD_CLAMP_DB); | |
1417 | } | |
1418 | ||
f2c32a88 MB |
1419 | arizona_extcon_set_mode(info, 0); |
1420 | ||
1421 | pm_runtime_enable(&pdev->dev); | |
1422 | pm_runtime_idle(&pdev->dev); | |
1423 | pm_runtime_get_sync(&pdev->dev); | |
1424 | ||
92a49871 MB |
1425 | if (arizona->pdata.jd_gpio5) { |
1426 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; | |
1427 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; | |
1428 | } else { | |
1429 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; | |
1430 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; | |
1431 | } | |
1432 | ||
1433 | ret = arizona_request_irq(arizona, jack_irq_rise, | |
f2c32a88 MB |
1434 | "JACKDET rise", arizona_jackdet, info); |
1435 | if (ret != 0) { | |
1436 | dev_err(&pdev->dev, "Failed to get JACKDET rise IRQ: %d\n", | |
1437 | ret); | |
8e5838dd | 1438 | goto err_gpio; |
f2c32a88 MB |
1439 | } |
1440 | ||
92a49871 | 1441 | ret = arizona_set_irq_wake(arizona, jack_irq_rise, 1); |
f2c32a88 MB |
1442 | if (ret != 0) { |
1443 | dev_err(&pdev->dev, "Failed to set JD rise IRQ wake: %d\n", | |
1444 | ret); | |
1445 | goto err_rise; | |
1446 | } | |
1447 | ||
92a49871 | 1448 | ret = arizona_request_irq(arizona, jack_irq_fall, |
f2c32a88 MB |
1449 | "JACKDET fall", arizona_jackdet, info); |
1450 | if (ret != 0) { | |
1451 | dev_err(&pdev->dev, "Failed to get JD fall IRQ: %d\n", ret); | |
1452 | goto err_rise_wake; | |
1453 | } | |
1454 | ||
92a49871 | 1455 | ret = arizona_set_irq_wake(arizona, jack_irq_fall, 1); |
f2c32a88 MB |
1456 | if (ret != 0) { |
1457 | dev_err(&pdev->dev, "Failed to set JD fall IRQ wake: %d\n", | |
1458 | ret); | |
1459 | goto err_fall; | |
1460 | } | |
1461 | ||
1462 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_MICDET, | |
1463 | "MICDET", arizona_micdet, info); | |
1464 | if (ret != 0) { | |
1465 | dev_err(&pdev->dev, "Failed to get MICDET IRQ: %d\n", ret); | |
1466 | goto err_fall_wake; | |
1467 | } | |
1468 | ||
4f340333 MB |
1469 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_HPDET, |
1470 | "HPDET", arizona_hpdet_irq, info); | |
1471 | if (ret != 0) { | |
1472 | dev_err(&pdev->dev, "Failed to get HPDET IRQ: %d\n", ret); | |
1473 | goto err_micdet; | |
1474 | } | |
1475 | ||
f2c32a88 MB |
1476 | arizona_clk32k_enable(arizona); |
1477 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE, | |
1478 | ARIZONA_JD1_DB, ARIZONA_JD1_DB); | |
1479 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, | |
1480 | ARIZONA_JD1_ENA, ARIZONA_JD1_ENA); | |
1481 | ||
b8575a11 MB |
1482 | ret = regulator_allow_bypass(info->micvdd, true); |
1483 | if (ret != 0) | |
1484 | dev_warn(arizona->dev, "Failed to set MICVDD to bypass: %d\n", | |
1485 | ret); | |
1486 | ||
f2c32a88 MB |
1487 | pm_runtime_put(&pdev->dev); |
1488 | ||
34efe4dc MB |
1489 | ret = input_register_device(info->input); |
1490 | if (ret) { | |
1491 | dev_err(&pdev->dev, "Can't register input device: %d\n", ret); | |
4f340333 | 1492 | goto err_hpdet; |
34efe4dc MB |
1493 | } |
1494 | ||
f2c32a88 MB |
1495 | return 0; |
1496 | ||
4f340333 MB |
1497 | err_hpdet: |
1498 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); | |
80732cc1 MB |
1499 | err_micdet: |
1500 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); | |
f2c32a88 | 1501 | err_fall_wake: |
92a49871 | 1502 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); |
f2c32a88 | 1503 | err_fall: |
92a49871 | 1504 | arizona_free_irq(arizona, jack_irq_fall, info); |
f2c32a88 | 1505 | err_rise_wake: |
92a49871 | 1506 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); |
f2c32a88 | 1507 | err_rise: |
92a49871 | 1508 | arizona_free_irq(arizona, jack_irq_rise, info); |
8e5838dd CK |
1509 | err_gpio: |
1510 | gpiod_put(info->micd_pol_gpio); | |
f2c32a88 MB |
1511 | err_register: |
1512 | pm_runtime_disable(&pdev->dev); | |
f2c32a88 MB |
1513 | return ret; |
1514 | } | |
1515 | ||
93ed0327 | 1516 | static int arizona_extcon_remove(struct platform_device *pdev) |
f2c32a88 MB |
1517 | { |
1518 | struct arizona_extcon_info *info = platform_get_drvdata(pdev); | |
1519 | struct arizona *arizona = info->arizona; | |
92a49871 | 1520 | int jack_irq_rise, jack_irq_fall; |
f2c32a88 | 1521 | |
8e5838dd CK |
1522 | gpiod_put(info->micd_pol_gpio); |
1523 | ||
f2c32a88 MB |
1524 | pm_runtime_disable(&pdev->dev); |
1525 | ||
dab63eb2 MB |
1526 | regmap_update_bits(arizona->regmap, |
1527 | ARIZONA_MICD_CLAMP_CONTROL, | |
1528 | ARIZONA_MICD_CLAMP_MODE_MASK, 0); | |
1529 | ||
92a49871 MB |
1530 | if (arizona->pdata.jd_gpio5) { |
1531 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; | |
1532 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; | |
1533 | } else { | |
1534 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; | |
1535 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; | |
1536 | } | |
1537 | ||
1538 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); | |
1539 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); | |
1540 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); | |
f2c32a88 | 1541 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); |
92a49871 MB |
1542 | arizona_free_irq(arizona, jack_irq_rise, info); |
1543 | arizona_free_irq(arizona, jack_irq_fall, info); | |
0e27bd31 | 1544 | cancel_delayed_work_sync(&info->hpdet_work); |
f2c32a88 MB |
1545 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, |
1546 | ARIZONA_JD1_ENA, 0); | |
1547 | arizona_clk32k_disable(arizona); | |
f2c32a88 MB |
1548 | |
1549 | return 0; | |
1550 | } | |
1551 | ||
1552 | static struct platform_driver arizona_extcon_driver = { | |
1553 | .driver = { | |
1554 | .name = "arizona-extcon", | |
f2c32a88 MB |
1555 | }, |
1556 | .probe = arizona_extcon_probe, | |
5f7e2228 | 1557 | .remove = arizona_extcon_remove, |
f2c32a88 MB |
1558 | }; |
1559 | ||
1560 | module_platform_driver(arizona_extcon_driver); | |
1561 | ||
1562 | MODULE_DESCRIPTION("Arizona Extcon driver"); | |
1563 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
1564 | MODULE_LICENSE("GPL"); | |
1565 | MODULE_ALIAS("platform:extcon-arizona"); |