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> | |
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 | ||
bbbd46e3 MB |
30 | #include <sound/soc.h> |
31 | ||
f2c32a88 MB |
32 | #include <linux/mfd/arizona/core.h> |
33 | #include <linux/mfd/arizona/pdata.h> | |
34 | #include <linux/mfd/arizona/registers.h> | |
9e86b2ad | 35 | #include <dt-bindings/mfd/arizona.h> |
f2c32a88 | 36 | |
6fed4d86 | 37 | #define ARIZONA_MAX_MICD_RANGE 8 |
34efe4dc | 38 | |
a288d648 RF |
39 | #define ARIZONA_MICD_CLAMP_MODE_JDL 0x4 |
40 | #define ARIZONA_MICD_CLAMP_MODE_JDH 0x5 | |
41 | #define ARIZONA_MICD_CLAMP_MODE_JDL_GP5H 0x9 | |
42 | #define ARIZONA_MICD_CLAMP_MODE_JDH_GP5H 0xb | |
43 | ||
9dd5e53d MB |
44 | #define ARIZONA_HPDET_MAX 10000 |
45 | ||
2643fd64 | 46 | #define HPDET_DEBOUNCE 500 |
7abd4e2a | 47 | #define DEFAULT_MICD_TIMEOUT 2000 |
a3e2078d | 48 | |
ffae24fe CK |
49 | #define MICD_LVL_1_TO_7 (ARIZONA_MICD_LVL_1 | ARIZONA_MICD_LVL_2 | \ |
50 | ARIZONA_MICD_LVL_3 | ARIZONA_MICD_LVL_4 | \ | |
51 | ARIZONA_MICD_LVL_5 | ARIZONA_MICD_LVL_6 | \ | |
52 | ARIZONA_MICD_LVL_7) | |
53 | ||
54 | #define MICD_LVL_0_TO_7 (ARIZONA_MICD_LVL_0 | MICD_LVL_1_TO_7) | |
55 | ||
56 | #define MICD_LVL_0_TO_8 (MICD_LVL_0_TO_7 | ARIZONA_MICD_LVL_8) | |
57 | ||
f2c32a88 MB |
58 | struct arizona_extcon_info { |
59 | struct device *dev; | |
60 | struct arizona *arizona; | |
61 | struct mutex lock; | |
62 | struct regulator *micvdd; | |
34efe4dc | 63 | struct input_dev *input; |
f2c32a88 | 64 | |
a3e2078d MB |
65 | u16 last_jackdet; |
66 | ||
f2c32a88 MB |
67 | int micd_mode; |
68 | const struct arizona_micd_config *micd_modes; | |
69 | int micd_num_modes; | |
70 | ||
6fed4d86 MB |
71 | const struct arizona_micd_range *micd_ranges; |
72 | int num_micd_ranges; | |
73 | ||
7abd4e2a MB |
74 | int micd_timeout; |
75 | ||
f2c32a88 | 76 | bool micd_reva; |
dab63eb2 | 77 | bool micd_clamp; |
f2c32a88 | 78 | |
0e27bd31 | 79 | struct delayed_work hpdet_work; |
cd59e796 | 80 | struct delayed_work micd_detect_work; |
939c5671 | 81 | struct delayed_work micd_timeout_work; |
0e27bd31 | 82 | |
4f340333 | 83 | bool hpdet_active; |
bf14ee5a | 84 | bool hpdet_done; |
9dd5e53d | 85 | bool hpdet_retried; |
4f340333 | 86 | |
dd235eea | 87 | int num_hpdet_res; |
1eda6aa7 | 88 | unsigned int hpdet_res[3]; |
dd235eea | 89 | |
f2c32a88 MB |
90 | bool mic; |
91 | bool detecting; | |
92 | int jack_flips; | |
93 | ||
d0fd5fbc | 94 | int hpdet_ip_version; |
4f340333 | 95 | |
ef70a214 | 96 | struct extcon_dev *edev; |
f2c32a88 MB |
97 | }; |
98 | ||
99 | static const struct arizona_micd_config micd_default_modes[] = { | |
41024243 CK |
100 | { ARIZONA_ACCDET_SRC, 1, 0 }, |
101 | { 0, 2, 1 }, | |
f2c32a88 MB |
102 | }; |
103 | ||
6fed4d86 MB |
104 | static const struct arizona_micd_range micd_default_ranges[] = { |
105 | { .max = 11, .key = BTN_0 }, | |
106 | { .max = 28, .key = BTN_1 }, | |
107 | { .max = 54, .key = BTN_2 }, | |
108 | { .max = 100, .key = BTN_3 }, | |
109 | { .max = 186, .key = BTN_4 }, | |
110 | { .max = 430, .key = BTN_5 }, | |
111 | }; | |
112 | ||
113 | static const int arizona_micd_levels[] = { | |
114 | 3, 6, 8, 11, 13, 16, 18, 21, 23, 26, 28, 31, 34, 36, 39, 41, 44, 46, | |
115 | 49, 52, 54, 57, 60, 62, 65, 67, 70, 73, 75, 78, 81, 83, 89, 94, 100, | |
116 | 105, 111, 116, 122, 127, 139, 150, 161, 173, 186, 196, 209, 220, 245, | |
117 | 270, 295, 321, 348, 375, 402, 430, 489, 550, 614, 681, 752, 903, 1071, | |
118 | 1257, | |
34efe4dc MB |
119 | }; |
120 | ||
73b6ecdb | 121 | static const unsigned int arizona_cable[] = { |
2a9de9c0 CC |
122 | EXTCON_MECHANICAL, |
123 | EXTCON_MICROPHONE, | |
124 | EXTCON_HEADPHONE, | |
125 | EXTCON_LINE_OUT, | |
126 | EXTCON_NONE, | |
f2c32a88 MB |
127 | }; |
128 | ||
9dd5e53d MB |
129 | static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info); |
130 | ||
112bdfaa CK |
131 | static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info, |
132 | bool clamp) | |
03409071 MB |
133 | { |
134 | struct arizona *arizona = info->arizona; | |
43f0acd9 | 135 | unsigned int mask = 0, val = 0; |
03409071 MB |
136 | int ret; |
137 | ||
43f0acd9 CK |
138 | switch (arizona->type) { |
139 | case WM5110: | |
2b51f9c2 | 140 | case WM8280: |
43f0acd9 CK |
141 | mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR | |
142 | ARIZONA_HP1L_SHRTI; | |
143 | if (clamp) | |
144 | val = ARIZONA_HP1L_SHRTO; | |
145 | else | |
146 | val = ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI; | |
147 | break; | |
148 | default: | |
149 | mask = ARIZONA_RMV_SHRT_HP1L; | |
150 | if (clamp) | |
151 | val = ARIZONA_RMV_SHRT_HP1L; | |
152 | break; | |
153 | }; | |
112bdfaa | 154 | |
03409071 MB |
155 | mutex_lock(&arizona->dapm->card->dapm_mutex); |
156 | ||
112bdfaa | 157 | arizona->hpdet_clamp = clamp; |
03409071 | 158 | |
112bdfaa CK |
159 | /* Keep the HP output stages disabled while doing the clamp */ |
160 | if (clamp) { | |
df8c3dbe MB |
161 | ret = regmap_update_bits(arizona->regmap, |
162 | ARIZONA_OUTPUT_ENABLES_1, | |
163 | ARIZONA_OUT1L_ENA | | |
164 | ARIZONA_OUT1R_ENA, 0); | |
03409071 | 165 | if (ret != 0) |
df8c3dbe MB |
166 | dev_warn(arizona->dev, |
167 | "Failed to disable headphone outputs: %d\n", | |
168 | ret); | |
169 | } | |
170 | ||
112bdfaa | 171 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1L, |
43f0acd9 | 172 | mask, val); |
df8c3dbe | 173 | if (ret != 0) |
112bdfaa | 174 | dev_warn(arizona->dev, "Failed to do clamp: %d\n", |
03409071 MB |
175 | ret); |
176 | ||
112bdfaa | 177 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1R, |
43f0acd9 | 178 | mask, val); |
df8c3dbe | 179 | if (ret != 0) |
112bdfaa | 180 | dev_warn(arizona->dev, "Failed to do clamp: %d\n", |
df8c3dbe MB |
181 | ret); |
182 | ||
112bdfaa CK |
183 | /* Restore the desired state while not doing the clamp */ |
184 | if (!clamp) { | |
df8c3dbe MB |
185 | ret = regmap_update_bits(arizona->regmap, |
186 | ARIZONA_OUTPUT_ENABLES_1, | |
187 | ARIZONA_OUT1L_ENA | | |
188 | ARIZONA_OUT1R_ENA, arizona->hp_ena); | |
03409071 | 189 | if (ret != 0) |
df8c3dbe MB |
190 | dev_warn(arizona->dev, |
191 | "Failed to restore headphone outputs: %d\n", | |
03409071 MB |
192 | ret); |
193 | } | |
194 | ||
195 | mutex_unlock(&arizona->dapm->card->dapm_mutex); | |
196 | } | |
197 | ||
f2c32a88 MB |
198 | static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode) |
199 | { | |
200 | struct arizona *arizona = info->arizona; | |
201 | ||
6fed4d86 | 202 | mode %= info->micd_num_modes; |
84eaa136 | 203 | |
cd74f7b3 MB |
204 | if (arizona->pdata.micd_pol_gpio > 0) |
205 | gpio_set_value_cansleep(arizona->pdata.micd_pol_gpio, | |
206 | info->micd_modes[mode].gpio); | |
f2c32a88 MB |
207 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
208 | ARIZONA_MICD_BIAS_SRC_MASK, | |
41024243 CK |
209 | info->micd_modes[mode].bias << |
210 | ARIZONA_MICD_BIAS_SRC_SHIFT); | |
f2c32a88 MB |
211 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, |
212 | ARIZONA_ACCDET_SRC, info->micd_modes[mode].src); | |
213 | ||
214 | info->micd_mode = mode; | |
215 | ||
216 | dev_dbg(arizona->dev, "Set jack polarity to %d\n", mode); | |
217 | } | |
218 | ||
bbbd46e3 MB |
219 | static const char *arizona_extcon_get_micbias(struct arizona_extcon_info *info) |
220 | { | |
41024243 | 221 | switch (info->micd_modes[0].bias) { |
bbbd46e3 MB |
222 | case 1: |
223 | return "MICBIAS1"; | |
224 | case 2: | |
225 | return "MICBIAS2"; | |
226 | case 3: | |
227 | return "MICBIAS3"; | |
228 | default: | |
229 | return "MICVDD"; | |
230 | } | |
231 | } | |
232 | ||
233 | static void arizona_extcon_pulse_micbias(struct arizona_extcon_info *info) | |
234 | { | |
235 | struct arizona *arizona = info->arizona; | |
236 | const char *widget = arizona_extcon_get_micbias(info); | |
237 | struct snd_soc_dapm_context *dapm = arizona->dapm; | |
238 | int ret; | |
239 | ||
bbbd46e3 MB |
240 | ret = snd_soc_dapm_force_enable_pin(dapm, widget); |
241 | if (ret != 0) | |
242 | dev_warn(arizona->dev, "Failed to enable %s: %d\n", | |
243 | widget, ret); | |
244 | ||
bbbd46e3 MB |
245 | snd_soc_dapm_sync(dapm); |
246 | ||
247 | if (!arizona->pdata.micd_force_micbias) { | |
bbbd46e3 MB |
248 | ret = snd_soc_dapm_disable_pin(arizona->dapm, widget); |
249 | if (ret != 0) | |
250 | dev_warn(arizona->dev, "Failed to disable %s: %d\n", | |
251 | widget, ret); | |
252 | ||
bbbd46e3 MB |
253 | snd_soc_dapm_sync(dapm); |
254 | } | |
255 | } | |
256 | ||
9b1270c7 MB |
257 | static void arizona_start_mic(struct arizona_extcon_info *info) |
258 | { | |
259 | struct arizona *arizona = info->arizona; | |
260 | bool change; | |
261 | int ret; | |
262 | ||
9b1270c7 MB |
263 | /* Microphone detection can't use idle mode */ |
264 | pm_runtime_get(info->dev); | |
265 | ||
bbbd46e3 MB |
266 | if (info->detecting) { |
267 | ret = regulator_allow_bypass(info->micvdd, false); | |
268 | if (ret != 0) { | |
269 | dev_err(arizona->dev, | |
270 | "Failed to regulate MICVDD: %d\n", | |
271 | ret); | |
272 | } | |
273 | } | |
274 | ||
9b1270c7 MB |
275 | ret = regulator_enable(info->micvdd); |
276 | if (ret != 0) { | |
277 | dev_err(arizona->dev, "Failed to enable MICVDD: %d\n", | |
278 | ret); | |
279 | } | |
280 | ||
281 | if (info->micd_reva) { | |
282 | regmap_write(arizona->regmap, 0x80, 0x3); | |
283 | regmap_write(arizona->regmap, 0x294, 0); | |
284 | regmap_write(arizona->regmap, 0x80, 0x0); | |
285 | } | |
286 | ||
287 | regmap_update_bits(arizona->regmap, | |
288 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
289 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
290 | ||
bbbd46e3 MB |
291 | arizona_extcon_pulse_micbias(info); |
292 | ||
9b1270c7 MB |
293 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, |
294 | ARIZONA_MICD_ENA, ARIZONA_MICD_ENA, | |
295 | &change); | |
296 | if (!change) { | |
297 | regulator_disable(info->micvdd); | |
298 | pm_runtime_put_autosuspend(info->dev); | |
299 | } | |
300 | } | |
301 | ||
302 | static void arizona_stop_mic(struct arizona_extcon_info *info) | |
303 | { | |
304 | struct arizona *arizona = info->arizona; | |
bbbd46e3 MB |
305 | const char *widget = arizona_extcon_get_micbias(info); |
306 | struct snd_soc_dapm_context *dapm = arizona->dapm; | |
9b1270c7 | 307 | bool change; |
bbbd46e3 | 308 | int ret; |
9b1270c7 MB |
309 | |
310 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
311 | ARIZONA_MICD_ENA, 0, | |
312 | &change); | |
313 | ||
bbbd46e3 MB |
314 | ret = snd_soc_dapm_disable_pin(dapm, widget); |
315 | if (ret != 0) | |
316 | dev_warn(arizona->dev, | |
317 | "Failed to disable %s: %d\n", | |
318 | widget, ret); | |
319 | ||
bbbd46e3 MB |
320 | snd_soc_dapm_sync(dapm); |
321 | ||
9b1270c7 MB |
322 | if (info->micd_reva) { |
323 | regmap_write(arizona->regmap, 0x80, 0x3); | |
324 | regmap_write(arizona->regmap, 0x294, 2); | |
325 | regmap_write(arizona->regmap, 0x80, 0x0); | |
326 | } | |
327 | ||
bbbd46e3 MB |
328 | ret = regulator_allow_bypass(info->micvdd, true); |
329 | if (ret != 0) { | |
330 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", | |
331 | ret); | |
332 | } | |
333 | ||
9b1270c7 MB |
334 | if (change) { |
335 | regulator_disable(info->micvdd); | |
336 | pm_runtime_mark_last_busy(info->dev); | |
337 | pm_runtime_put_autosuspend(info->dev); | |
338 | } | |
339 | } | |
340 | ||
4f340333 | 341 | static struct { |
24a279b1 | 342 | unsigned int threshold; |
4f340333 MB |
343 | unsigned int factor_a; |
344 | unsigned int factor_b; | |
345 | } arizona_hpdet_b_ranges[] = { | |
24a279b1 CK |
346 | { 100, 5528, 362464 }, |
347 | { 169, 11084, 6186851 }, | |
348 | { 169, 11065, 65460395 }, | |
4f340333 MB |
349 | }; |
350 | ||
24a279b1 CK |
351 | #define ARIZONA_HPDET_B_RANGE_MAX 0x3fb |
352 | ||
4f340333 MB |
353 | static struct { |
354 | int min; | |
355 | int max; | |
356 | } arizona_hpdet_c_ranges[] = { | |
357 | { 0, 30 }, | |
358 | { 8, 100 }, | |
359 | { 100, 1000 }, | |
360 | { 1000, 10000 }, | |
361 | }; | |
362 | ||
363 | static int arizona_hpdet_read(struct arizona_extcon_info *info) | |
364 | { | |
365 | struct arizona *arizona = info->arizona; | |
366 | unsigned int val, range; | |
367 | int ret; | |
368 | ||
369 | ret = regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_2, &val); | |
370 | if (ret != 0) { | |
371 | dev_err(arizona->dev, "Failed to read HPDET status: %d\n", | |
372 | ret); | |
373 | return ret; | |
374 | } | |
375 | ||
d0fd5fbc | 376 | switch (info->hpdet_ip_version) { |
4f340333 MB |
377 | case 0: |
378 | if (!(val & ARIZONA_HP_DONE)) { | |
379 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
380 | val); | |
e6dd8cf2 | 381 | return -EAGAIN; |
4f340333 MB |
382 | } |
383 | ||
384 | val &= ARIZONA_HP_LVL_MASK; | |
385 | break; | |
386 | ||
387 | case 1: | |
388 | if (!(val & ARIZONA_HP_DONE_B)) { | |
389 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
390 | val); | |
e6dd8cf2 | 391 | return -EAGAIN; |
4f340333 MB |
392 | } |
393 | ||
394 | ret = regmap_read(arizona->regmap, ARIZONA_HP_DACVAL, &val); | |
395 | if (ret != 0) { | |
396 | dev_err(arizona->dev, "Failed to read HP value: %d\n", | |
397 | ret); | |
e6dd8cf2 | 398 | return -EAGAIN; |
4f340333 MB |
399 | } |
400 | ||
401 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
402 | &range); | |
403 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) | |
404 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; | |
405 | ||
406 | if (range < ARRAY_SIZE(arizona_hpdet_b_ranges) - 1 && | |
24a279b1 CK |
407 | (val < arizona_hpdet_b_ranges[range].threshold || |
408 | val >= ARIZONA_HPDET_B_RANGE_MAX)) { | |
4f340333 MB |
409 | range++; |
410 | dev_dbg(arizona->dev, "Moving to HPDET range %d\n", | |
411 | range); | |
412 | regmap_update_bits(arizona->regmap, | |
413 | ARIZONA_HEADPHONE_DETECT_1, | |
414 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, | |
415 | range << | |
416 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); | |
417 | return -EAGAIN; | |
418 | } | |
419 | ||
420 | /* If we go out of range report top of range */ | |
24a279b1 CK |
421 | if (val < arizona_hpdet_b_ranges[range].threshold || |
422 | val >= ARIZONA_HPDET_B_RANGE_MAX) { | |
4f340333 | 423 | dev_dbg(arizona->dev, "Measurement out of range\n"); |
9dd5e53d | 424 | return ARIZONA_HPDET_MAX; |
4f340333 MB |
425 | } |
426 | ||
427 | dev_dbg(arizona->dev, "HPDET read %d in range %d\n", | |
428 | val, range); | |
429 | ||
430 | val = arizona_hpdet_b_ranges[range].factor_b | |
431 | / ((val * 100) - | |
432 | arizona_hpdet_b_ranges[range].factor_a); | |
433 | break; | |
434 | ||
435 | default: | |
436 | dev_warn(arizona->dev, "Unknown HPDET IP revision %d\n", | |
d0fd5fbc | 437 | info->hpdet_ip_version); |
4f340333 MB |
438 | case 2: |
439 | if (!(val & ARIZONA_HP_DONE_B)) { | |
440 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
441 | val); | |
e6dd8cf2 | 442 | return -EAGAIN; |
4f340333 MB |
443 | } |
444 | ||
445 | val &= ARIZONA_HP_LVL_B_MASK; | |
77438610 CK |
446 | /* Convert to ohms, the value is in 0.5 ohm increments */ |
447 | val /= 2; | |
4f340333 MB |
448 | |
449 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
450 | &range); | |
451 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) | |
452 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; | |
453 | ||
9141461d | 454 | /* Skip up a range, or report? */ |
4f340333 MB |
455 | if (range < ARRAY_SIZE(arizona_hpdet_c_ranges) - 1 && |
456 | (val >= arizona_hpdet_c_ranges[range].max)) { | |
457 | range++; | |
458 | dev_dbg(arizona->dev, "Moving to HPDET range %d-%d\n", | |
459 | arizona_hpdet_c_ranges[range].min, | |
460 | arizona_hpdet_c_ranges[range].max); | |
461 | regmap_update_bits(arizona->regmap, | |
462 | ARIZONA_HEADPHONE_DETECT_1, | |
463 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, | |
464 | range << | |
465 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); | |
466 | return -EAGAIN; | |
467 | } | |
9141461d CK |
468 | |
469 | if (range && (val < arizona_hpdet_c_ranges[range].min)) { | |
470 | dev_dbg(arizona->dev, "Reporting range boundary %d\n", | |
471 | arizona_hpdet_c_ranges[range].min); | |
472 | val = arizona_hpdet_c_ranges[range].min; | |
473 | } | |
4f340333 MB |
474 | } |
475 | ||
476 | dev_dbg(arizona->dev, "HP impedance %d ohms\n", val); | |
477 | return val; | |
478 | } | |
479 | ||
9c2ba270 MB |
480 | static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading, |
481 | bool *mic) | |
dd235eea MB |
482 | { |
483 | struct arizona *arizona = info->arizona; | |
1eda6aa7 | 484 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
dd235eea MB |
485 | |
486 | /* | |
487 | * If we're using HPDET for accessory identification we need | |
488 | * to take multiple measurements, step through them in sequence. | |
489 | */ | |
490 | if (arizona->pdata.hpdet_acc_id) { | |
491 | info->hpdet_res[info->num_hpdet_res++] = *reading; | |
1eda6aa7 MB |
492 | |
493 | /* Only check the mic directly if we didn't already ID it */ | |
9c2ba270 | 494 | if (id_gpio && info->num_hpdet_res == 1) { |
1eda6aa7 MB |
495 | dev_dbg(arizona->dev, "Measuring mic\n"); |
496 | ||
497 | regmap_update_bits(arizona->regmap, | |
498 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
499 | ARIZONA_ACCDET_MODE_MASK | | |
500 | ARIZONA_ACCDET_SRC, | |
501 | ARIZONA_ACCDET_MODE_HPR | | |
502 | info->micd_modes[0].src); | |
503 | ||
504 | gpio_set_value_cansleep(id_gpio, 1); | |
505 | ||
dd235eea MB |
506 | regmap_update_bits(arizona->regmap, |
507 | ARIZONA_HEADPHONE_DETECT_1, | |
508 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
509 | return -EAGAIN; | |
510 | } | |
511 | ||
512 | /* OK, got both. Now, compare... */ | |
9c2ba270 MB |
513 | dev_dbg(arizona->dev, "HPDET measured %d %d\n", |
514 | info->hpdet_res[0], info->hpdet_res[1]); | |
c37b387f MB |
515 | |
516 | /* Take the headphone impedance for the main report */ | |
517 | *reading = info->hpdet_res[0]; | |
518 | ||
9dd5e53d MB |
519 | /* Sometimes we get false readings due to slow insert */ |
520 | if (*reading >= ARIZONA_HPDET_MAX && !info->hpdet_retried) { | |
521 | dev_dbg(arizona->dev, "Retrying high impedance\n"); | |
522 | info->num_hpdet_res = 0; | |
523 | info->hpdet_retried = true; | |
524 | arizona_start_hpdet_acc_id(info); | |
525 | pm_runtime_put(info->dev); | |
526 | return -EAGAIN; | |
527 | } | |
528 | ||
1eda6aa7 | 529 | /* |
d97abdde | 530 | * If we measure the mic as high impedance |
1eda6aa7 | 531 | */ |
9c2ba270 | 532 | if (!id_gpio || info->hpdet_res[1] > 50) { |
dd235eea | 533 | dev_dbg(arizona->dev, "Detected mic\n"); |
9c2ba270 | 534 | *mic = true; |
bf14ee5a | 535 | info->detecting = true; |
dd235eea MB |
536 | } else { |
537 | dev_dbg(arizona->dev, "Detected headphone\n"); | |
538 | } | |
539 | ||
540 | /* Make sure everything is reset back to the real polarity */ | |
541 | regmap_update_bits(arizona->regmap, | |
542 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
543 | ARIZONA_ACCDET_SRC, | |
544 | info->micd_modes[0].src); | |
545 | } | |
546 | ||
547 | return 0; | |
548 | } | |
549 | ||
4f340333 MB |
550 | static irqreturn_t arizona_hpdet_irq(int irq, void *data) |
551 | { | |
552 | struct arizona_extcon_info *info = data; | |
553 | struct arizona *arizona = info->arizona; | |
1eda6aa7 | 554 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
73b6ecdb | 555 | unsigned int report = EXTCON_HEADPHONE; |
dd235eea | 556 | int ret, reading; |
9c2ba270 | 557 | bool mic = false; |
4f340333 MB |
558 | |
559 | mutex_lock(&info->lock); | |
560 | ||
561 | /* If we got a spurious IRQ for some reason then ignore it */ | |
562 | if (!info->hpdet_active) { | |
563 | dev_warn(arizona->dev, "Spurious HPDET IRQ\n"); | |
564 | mutex_unlock(&info->lock); | |
565 | return IRQ_NONE; | |
566 | } | |
567 | ||
568 | /* If the cable was removed while measuring ignore the result */ | |
2a9de9c0 | 569 | ret = extcon_get_cable_state_(info->edev, EXTCON_MECHANICAL); |
4f340333 MB |
570 | if (ret < 0) { |
571 | dev_err(arizona->dev, "Failed to check cable state: %d\n", | |
572 | ret); | |
573 | goto out; | |
574 | } else if (!ret) { | |
575 | dev_dbg(arizona->dev, "Ignoring HPDET for removed cable\n"); | |
576 | goto done; | |
577 | } | |
578 | ||
579 | ret = arizona_hpdet_read(info); | |
d6675667 | 580 | if (ret == -EAGAIN) |
4f340333 | 581 | goto out; |
d6675667 | 582 | else if (ret < 0) |
4f340333 | 583 | goto done; |
dd235eea | 584 | reading = ret; |
4f340333 MB |
585 | |
586 | /* Reset back to starting range */ | |
587 | regmap_update_bits(arizona->regmap, | |
588 | ARIZONA_HEADPHONE_DETECT_1, | |
dd235eea MB |
589 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, |
590 | 0); | |
591 | ||
9c2ba270 | 592 | ret = arizona_hpdet_do_id(info, &reading, &mic); |
d6675667 | 593 | if (ret == -EAGAIN) |
dd235eea | 594 | goto out; |
d6675667 | 595 | else if (ret < 0) |
dd235eea | 596 | goto done; |
4f340333 MB |
597 | |
598 | /* Report high impedence cables as line outputs */ | |
dd235eea | 599 | if (reading >= 5000) |
2a9de9c0 | 600 | report = EXTCON_LINE_OUT; |
4f340333 | 601 | else |
2a9de9c0 | 602 | report = EXTCON_HEADPHONE; |
4f340333 | 603 | |
ef70a214 | 604 | ret = extcon_set_cable_state_(info->edev, report, true); |
4f340333 MB |
605 | if (ret != 0) |
606 | dev_err(arizona->dev, "Failed to report HP/line: %d\n", | |
607 | ret); | |
608 | ||
a3e00d4b CK |
609 | done: |
610 | /* Reset back to starting range */ | |
611 | regmap_update_bits(arizona->regmap, | |
612 | ARIZONA_HEADPHONE_DETECT_1, | |
613 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, | |
614 | 0); | |
615 | ||
112bdfaa | 616 | arizona_extcon_hp_clamp(info, false); |
4f340333 | 617 | |
1eda6aa7 MB |
618 | if (id_gpio) |
619 | gpio_set_value_cansleep(id_gpio, 0); | |
4f340333 MB |
620 | |
621 | /* Revert back to MICDET mode */ | |
622 | regmap_update_bits(arizona->regmap, | |
623 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
624 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
625 | ||
626 | /* If we have a mic then reenable MICDET */ | |
9c2ba270 | 627 | if (mic || info->mic) |
4f340333 MB |
628 | arizona_start_mic(info); |
629 | ||
630 | if (info->hpdet_active) { | |
631 | pm_runtime_put_autosuspend(info->dev); | |
632 | info->hpdet_active = false; | |
633 | } | |
634 | ||
bf14ee5a MB |
635 | info->hpdet_done = true; |
636 | ||
4f340333 MB |
637 | out: |
638 | mutex_unlock(&info->lock); | |
639 | ||
640 | return IRQ_HANDLED; | |
641 | } | |
642 | ||
643 | static void arizona_identify_headphone(struct arizona_extcon_info *info) | |
644 | { | |
645 | struct arizona *arizona = info->arizona; | |
646 | int ret; | |
647 | ||
bf14ee5a MB |
648 | if (info->hpdet_done) |
649 | return; | |
650 | ||
4f340333 MB |
651 | dev_dbg(arizona->dev, "Starting HPDET\n"); |
652 | ||
653 | /* Make sure we keep the device enabled during the measurement */ | |
654 | pm_runtime_get(info->dev); | |
655 | ||
656 | info->hpdet_active = true; | |
657 | ||
658 | if (info->mic) | |
659 | arizona_stop_mic(info); | |
660 | ||
112bdfaa | 661 | arizona_extcon_hp_clamp(info, true); |
4f340333 MB |
662 | |
663 | ret = regmap_update_bits(arizona->regmap, | |
664 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
665 | ARIZONA_ACCDET_MODE_MASK, | |
9e86b2ad | 666 | arizona->pdata.hpdet_channel); |
4f340333 | 667 | if (ret != 0) { |
9e86b2ad | 668 | dev_err(arizona->dev, "Failed to set HPDET mode: %d\n", ret); |
4f340333 MB |
669 | goto err; |
670 | } | |
671 | ||
672 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
673 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
674 | if (ret != 0) { | |
675 | dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n", | |
676 | ret); | |
677 | goto err; | |
678 | } | |
679 | ||
680 | return; | |
681 | ||
682 | err: | |
683 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, | |
684 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
685 | ||
686 | /* Just report headphone */ | |
2a9de9c0 | 687 | ret = extcon_set_cable_state_(info->edev, EXTCON_HEADPHONE, true); |
4f340333 MB |
688 | if (ret != 0) |
689 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); | |
690 | ||
691 | if (info->mic) | |
692 | arizona_start_mic(info); | |
693 | ||
694 | info->hpdet_active = false; | |
695 | } | |
dd235eea MB |
696 | |
697 | static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info) | |
698 | { | |
699 | struct arizona *arizona = info->arizona; | |
9c2ba270 MB |
700 | int hp_reading = 32; |
701 | bool mic; | |
dd235eea MB |
702 | int ret; |
703 | ||
704 | dev_dbg(arizona->dev, "Starting identification via HPDET\n"); | |
705 | ||
706 | /* Make sure we keep the device enabled during the measurement */ | |
0e27bd31 | 707 | pm_runtime_get_sync(info->dev); |
dd235eea MB |
708 | |
709 | info->hpdet_active = true; | |
710 | ||
112bdfaa | 711 | arizona_extcon_hp_clamp(info, true); |
dd235eea MB |
712 | |
713 | ret = regmap_update_bits(arizona->regmap, | |
714 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
715 | ARIZONA_ACCDET_SRC | ARIZONA_ACCDET_MODE_MASK, | |
716 | info->micd_modes[0].src | | |
9e86b2ad | 717 | arizona->pdata.hpdet_channel); |
dd235eea | 718 | if (ret != 0) { |
9e86b2ad | 719 | dev_err(arizona->dev, "Failed to set HPDET mode: %d\n", ret); |
dd235eea MB |
720 | goto err; |
721 | } | |
722 | ||
9c2ba270 MB |
723 | if (arizona->pdata.hpdet_acc_id_line) { |
724 | ret = regmap_update_bits(arizona->regmap, | |
725 | ARIZONA_HEADPHONE_DETECT_1, | |
726 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
727 | if (ret != 0) { | |
728 | dev_err(arizona->dev, | |
729 | "Can't start HPDETL measurement: %d\n", | |
730 | ret); | |
731 | goto err; | |
732 | } | |
733 | } else { | |
734 | arizona_hpdet_do_id(info, &hp_reading, &mic); | |
4f340333 MB |
735 | } |
736 | ||
dd235eea MB |
737 | return; |
738 | ||
739 | err: | |
740 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, | |
741 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
742 | ||
743 | /* Just report headphone */ | |
2a9de9c0 | 744 | ret = extcon_set_cable_state_(info->edev, EXTCON_HEADPHONE, true); |
dd235eea MB |
745 | if (ret != 0) |
746 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); | |
747 | ||
4f340333 MB |
748 | info->hpdet_active = false; |
749 | } | |
750 | ||
939c5671 MB |
751 | static void arizona_micd_timeout_work(struct work_struct *work) |
752 | { | |
753 | struct arizona_extcon_info *info = container_of(work, | |
c2275d2f CC |
754 | struct arizona_extcon_info, |
755 | micd_timeout_work.work); | |
939c5671 MB |
756 | |
757 | mutex_lock(&info->lock); | |
758 | ||
759 | dev_dbg(info->arizona->dev, "MICD timed out, reporting HP\n"); | |
760 | arizona_identify_headphone(info); | |
761 | ||
762 | info->detecting = false; | |
763 | ||
764 | arizona_stop_mic(info); | |
765 | ||
766 | mutex_unlock(&info->lock); | |
767 | } | |
768 | ||
cd59e796 | 769 | static void arizona_micd_detect(struct work_struct *work) |
f2c32a88 | 770 | { |
cd59e796 | 771 | struct arizona_extcon_info *info = container_of(work, |
c2275d2f CC |
772 | struct arizona_extcon_info, |
773 | micd_detect_work.work); | |
f2c32a88 | 774 | struct arizona *arizona = info->arizona; |
e2c0f476 | 775 | unsigned int val = 0, lvl; |
6fed4d86 | 776 | int ret, i, key; |
f2c32a88 | 777 | |
939c5671 MB |
778 | cancel_delayed_work_sync(&info->micd_timeout_work); |
779 | ||
f2c32a88 MB |
780 | mutex_lock(&info->lock); |
781 | ||
31a847e6 | 782 | /* If the cable was removed while measuring ignore the result */ |
2a9de9c0 | 783 | ret = extcon_get_cable_state_(info->edev, EXTCON_MECHANICAL); |
31a847e6 CK |
784 | if (ret < 0) { |
785 | dev_err(arizona->dev, "Failed to check cable state: %d\n", | |
786 | ret); | |
787 | mutex_unlock(&info->lock); | |
788 | return; | |
789 | } else if (!ret) { | |
790 | dev_dbg(arizona->dev, "Ignoring MICDET for removed cable\n"); | |
791 | mutex_unlock(&info->lock); | |
792 | return; | |
793 | } | |
794 | ||
ffae24fe | 795 | for (i = 0; i < 10 && !(val & MICD_LVL_0_TO_8); i++) { |
e2c0f476 CK |
796 | ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val); |
797 | if (ret != 0) { | |
c2275d2f CC |
798 | dev_err(arizona->dev, |
799 | "Failed to read MICDET: %d\n", ret); | |
e2c0f476 | 800 | mutex_unlock(&info->lock); |
cd59e796 | 801 | return; |
e2c0f476 CK |
802 | } |
803 | ||
804 | dev_dbg(arizona->dev, "MICDET: %x\n", val); | |
f2c32a88 | 805 | |
e2c0f476 | 806 | if (!(val & ARIZONA_MICD_VALID)) { |
c2275d2f CC |
807 | dev_warn(arizona->dev, |
808 | "Microphone detection state invalid\n"); | |
e2c0f476 | 809 | mutex_unlock(&info->lock); |
cd59e796 | 810 | return; |
e2c0f476 CK |
811 | } |
812 | } | |
f2c32a88 | 813 | |
ffae24fe | 814 | if (i == 10 && !(val & MICD_LVL_0_TO_8)) { |
e2c0f476 | 815 | dev_err(arizona->dev, "Failed to get valid MICDET value\n"); |
f2c32a88 | 816 | mutex_unlock(&info->lock); |
cd59e796 | 817 | return; |
f2c32a88 MB |
818 | } |
819 | ||
820 | /* Due to jack detect this should never happen */ | |
821 | if (!(val & ARIZONA_MICD_STS)) { | |
822 | dev_warn(arizona->dev, "Detected open circuit\n"); | |
823 | info->detecting = false; | |
824 | goto handled; | |
825 | } | |
826 | ||
827 | /* If we got a high impedence we should have a headset, report it. */ | |
ffae24fe | 828 | if (info->detecting && (val & ARIZONA_MICD_LVL_8)) { |
4f340333 MB |
829 | arizona_identify_headphone(info); |
830 | ||
34602486 | 831 | ret = extcon_set_cable_state_(info->edev, |
2a9de9c0 | 832 | EXTCON_MICROPHONE, true); |
f2c32a88 MB |
833 | if (ret != 0) |
834 | dev_err(arizona->dev, "Headset report failed: %d\n", | |
835 | ret); | |
836 | ||
bbbd46e3 | 837 | /* Don't need to regulate for button detection */ |
e368f525 | 838 | ret = regulator_allow_bypass(info->micvdd, true); |
bbbd46e3 MB |
839 | if (ret != 0) { |
840 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", | |
841 | ret); | |
842 | } | |
843 | ||
f2c32a88 MB |
844 | info->mic = true; |
845 | info->detecting = false; | |
846 | goto handled; | |
847 | } | |
848 | ||
849 | /* If we detected a lower impedence during initial startup | |
850 | * then we probably have the wrong polarity, flip it. Don't | |
851 | * do this for the lowest impedences to speed up detection of | |
852 | * plain headphones. If both polarities report a low | |
853 | * impedence then give up and report headphones. | |
854 | */ | |
ffae24fe | 855 | if (info->detecting && (val & MICD_LVL_1_TO_7)) { |
84eaa136 | 856 | if (info->jack_flips >= info->micd_num_modes * 10) { |
4f340333 MB |
857 | dev_dbg(arizona->dev, "Detected HP/line\n"); |
858 | arizona_identify_headphone(info); | |
859 | ||
f2c32a88 | 860 | info->detecting = false; |
9ef2224d | 861 | |
4f340333 | 862 | arizona_stop_mic(info); |
f2c32a88 MB |
863 | } else { |
864 | info->micd_mode++; | |
865 | if (info->micd_mode == info->micd_num_modes) | |
866 | info->micd_mode = 0; | |
867 | arizona_extcon_set_mode(info, info->micd_mode); | |
868 | ||
869 | info->jack_flips++; | |
870 | } | |
871 | ||
872 | goto handled; | |
873 | } | |
874 | ||
875 | /* | |
876 | * If we're still detecting and we detect a short then we've | |
34efe4dc | 877 | * got a headphone. Otherwise it's a button press. |
f2c32a88 | 878 | */ |
ffae24fe | 879 | if (val & MICD_LVL_0_TO_7) { |
f2c32a88 MB |
880 | if (info->mic) { |
881 | dev_dbg(arizona->dev, "Mic button detected\n"); | |
882 | ||
34efe4dc MB |
883 | lvl = val & ARIZONA_MICD_LVL_MASK; |
884 | lvl >>= ARIZONA_MICD_LVL_SHIFT; | |
885 | ||
41a57850 MB |
886 | for (i = 0; i < info->num_micd_ranges; i++) |
887 | input_report_key(info->input, | |
888 | info->micd_ranges[i].key, 0); | |
889 | ||
6fed4d86 MB |
890 | WARN_ON(!lvl); |
891 | WARN_ON(ffs(lvl) - 1 >= info->num_micd_ranges); | |
892 | if (lvl && ffs(lvl) - 1 < info->num_micd_ranges) { | |
893 | key = info->micd_ranges[ffs(lvl) - 1].key; | |
894 | input_report_key(info->input, key, 1); | |
895 | input_sync(info->input); | |
896 | } | |
34efe4dc | 897 | |
f2c32a88 MB |
898 | } else if (info->detecting) { |
899 | dev_dbg(arizona->dev, "Headphone detected\n"); | |
900 | info->detecting = false; | |
901 | arizona_stop_mic(info); | |
902 | ||
4f340333 | 903 | arizona_identify_headphone(info); |
f2c32a88 MB |
904 | } else { |
905 | dev_warn(arizona->dev, "Button with no mic: %x\n", | |
906 | val); | |
907 | } | |
908 | } else { | |
909 | dev_dbg(arizona->dev, "Mic button released\n"); | |
6fed4d86 | 910 | for (i = 0; i < info->num_micd_ranges; i++) |
34efe4dc | 911 | input_report_key(info->input, |
6fed4d86 | 912 | info->micd_ranges[i].key, 0); |
34efe4dc | 913 | input_sync(info->input); |
bbbd46e3 | 914 | arizona_extcon_pulse_micbias(info); |
f2c32a88 MB |
915 | } |
916 | ||
917 | handled: | |
939c5671 | 918 | if (info->detecting) |
df9a5ab4 MB |
919 | queue_delayed_work(system_power_efficient_wq, |
920 | &info->micd_timeout_work, | |
921 | msecs_to_jiffies(info->micd_timeout)); | |
939c5671 | 922 | |
f2c32a88 MB |
923 | pm_runtime_mark_last_busy(info->dev); |
924 | mutex_unlock(&info->lock); | |
cd59e796 MB |
925 | } |
926 | ||
927 | static irqreturn_t arizona_micdet(int irq, void *data) | |
928 | { | |
929 | struct arizona_extcon_info *info = data; | |
930 | struct arizona *arizona = info->arizona; | |
931 | int debounce = arizona->pdata.micd_detect_debounce; | |
932 | ||
933 | cancel_delayed_work_sync(&info->micd_detect_work); | |
934 | cancel_delayed_work_sync(&info->micd_timeout_work); | |
935 | ||
936 | mutex_lock(&info->lock); | |
937 | if (!info->detecting) | |
938 | debounce = 0; | |
939 | mutex_unlock(&info->lock); | |
940 | ||
941 | if (debounce) | |
df9a5ab4 MB |
942 | queue_delayed_work(system_power_efficient_wq, |
943 | &info->micd_detect_work, | |
944 | msecs_to_jiffies(debounce)); | |
cd59e796 MB |
945 | else |
946 | arizona_micd_detect(&info->micd_detect_work.work); | |
f2c32a88 MB |
947 | |
948 | return IRQ_HANDLED; | |
949 | } | |
950 | ||
0e27bd31 MB |
951 | static void arizona_hpdet_work(struct work_struct *work) |
952 | { | |
953 | struct arizona_extcon_info *info = container_of(work, | |
c2275d2f CC |
954 | struct arizona_extcon_info, |
955 | hpdet_work.work); | |
0e27bd31 MB |
956 | |
957 | mutex_lock(&info->lock); | |
958 | arizona_start_hpdet_acc_id(info); | |
959 | mutex_unlock(&info->lock); | |
960 | } | |
961 | ||
f2c32a88 MB |
962 | static irqreturn_t arizona_jackdet(int irq, void *data) |
963 | { | |
964 | struct arizona_extcon_info *info = data; | |
965 | struct arizona *arizona = info->arizona; | |
92a49871 | 966 | unsigned int val, present, mask; |
939c5671 | 967 | bool cancelled_hp, cancelled_mic; |
34efe4dc | 968 | int ret, i; |
f2c32a88 | 969 | |
939c5671 MB |
970 | cancelled_hp = cancel_delayed_work_sync(&info->hpdet_work); |
971 | cancelled_mic = cancel_delayed_work_sync(&info->micd_timeout_work); | |
f2c32a88 | 972 | |
a3e2078d | 973 | pm_runtime_get_sync(info->dev); |
0e27bd31 | 974 | |
f2c32a88 MB |
975 | mutex_lock(&info->lock); |
976 | ||
92a49871 MB |
977 | if (arizona->pdata.jd_gpio5) { |
978 | mask = ARIZONA_MICD_CLAMP_STS; | |
a288d648 RF |
979 | if (arizona->pdata.jd_invert) |
980 | present = ARIZONA_MICD_CLAMP_STS; | |
981 | else | |
982 | present = 0; | |
92a49871 MB |
983 | } else { |
984 | mask = ARIZONA_JD1_STS; | |
a288d648 RF |
985 | if (arizona->pdata.jd_invert) |
986 | present = 0; | |
987 | else | |
988 | present = ARIZONA_JD1_STS; | |
92a49871 MB |
989 | } |
990 | ||
f2c32a88 MB |
991 | ret = regmap_read(arizona->regmap, ARIZONA_AOD_IRQ_RAW_STATUS, &val); |
992 | if (ret != 0) { | |
993 | dev_err(arizona->dev, "Failed to read jackdet status: %d\n", | |
994 | ret); | |
995 | mutex_unlock(&info->lock); | |
996 | pm_runtime_put_autosuspend(info->dev); | |
997 | return IRQ_NONE; | |
998 | } | |
999 | ||
a3e2078d MB |
1000 | val &= mask; |
1001 | if (val == info->last_jackdet) { | |
1002 | dev_dbg(arizona->dev, "Suppressing duplicate JACKDET\n"); | |
939c5671 | 1003 | if (cancelled_hp) |
df9a5ab4 MB |
1004 | queue_delayed_work(system_power_efficient_wq, |
1005 | &info->hpdet_work, | |
1006 | msecs_to_jiffies(HPDET_DEBOUNCE)); | |
a3e2078d | 1007 | |
c2275d2f CC |
1008 | if (cancelled_mic) { |
1009 | int micd_timeout = info->micd_timeout; | |
1010 | ||
df9a5ab4 MB |
1011 | queue_delayed_work(system_power_efficient_wq, |
1012 | &info->micd_timeout_work, | |
c2275d2f CC |
1013 | msecs_to_jiffies(micd_timeout)); |
1014 | } | |
939c5671 | 1015 | |
a3e2078d MB |
1016 | goto out; |
1017 | } | |
1018 | info->last_jackdet = val; | |
1019 | ||
1020 | if (info->last_jackdet == present) { | |
f2c32a88 | 1021 | dev_dbg(arizona->dev, "Detected jack\n"); |
ef70a214 | 1022 | ret = extcon_set_cable_state_(info->edev, |
2a9de9c0 | 1023 | EXTCON_MECHANICAL, true); |
f2c32a88 MB |
1024 | |
1025 | if (ret != 0) | |
1026 | dev_err(arizona->dev, "Mechanical report failed: %d\n", | |
1027 | ret); | |
1028 | ||
dd235eea MB |
1029 | if (!arizona->pdata.hpdet_acc_id) { |
1030 | info->detecting = true; | |
1031 | info->mic = false; | |
1032 | info->jack_flips = 0; | |
1033 | ||
1034 | arizona_start_mic(info); | |
1035 | } else { | |
df9a5ab4 MB |
1036 | queue_delayed_work(system_power_efficient_wq, |
1037 | &info->hpdet_work, | |
1038 | msecs_to_jiffies(HPDET_DEBOUNCE)); | |
dd235eea | 1039 | } |
4e616877 MB |
1040 | |
1041 | regmap_update_bits(arizona->regmap, | |
1042 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1043 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, 0); | |
f2c32a88 MB |
1044 | } else { |
1045 | dev_dbg(arizona->dev, "Detected jack removal\n"); | |
1046 | ||
1047 | arizona_stop_mic(info); | |
1048 | ||
dd235eea MB |
1049 | info->num_hpdet_res = 0; |
1050 | for (i = 0; i < ARRAY_SIZE(info->hpdet_res); i++) | |
1051 | info->hpdet_res[i] = 0; | |
1052 | info->mic = false; | |
bf14ee5a | 1053 | info->hpdet_done = false; |
9dd5e53d | 1054 | info->hpdet_retried = false; |
92a49871 | 1055 | |
6fed4d86 | 1056 | for (i = 0; i < info->num_micd_ranges; i++) |
34efe4dc | 1057 | input_report_key(info->input, |
6fed4d86 | 1058 | info->micd_ranges[i].key, 0); |
34efe4dc MB |
1059 | input_sync(info->input); |
1060 | ||
ef70a214 | 1061 | ret = extcon_update_state(info->edev, 0xffffffff, 0); |
f2c32a88 MB |
1062 | if (ret != 0) |
1063 | dev_err(arizona->dev, "Removal report failed: %d\n", | |
1064 | ret); | |
4e616877 MB |
1065 | |
1066 | regmap_update_bits(arizona->regmap, | |
1067 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1068 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, | |
1069 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB); | |
f2c32a88 MB |
1070 | } |
1071 | ||
7abd4e2a MB |
1072 | if (arizona->pdata.micd_timeout) |
1073 | info->micd_timeout = arizona->pdata.micd_timeout; | |
1074 | else | |
1075 | info->micd_timeout = DEFAULT_MICD_TIMEOUT; | |
1076 | ||
cb9005d7 | 1077 | out: |
5d9ab708 CK |
1078 | /* Clear trig_sts to make sure DCVDD is not forced up */ |
1079 | regmap_write(arizona->regmap, ARIZONA_AOD_WKUP_AND_TRIG, | |
1080 | ARIZONA_MICD_CLAMP_FALL_TRIG_STS | | |
1081 | ARIZONA_MICD_CLAMP_RISE_TRIG_STS | | |
1082 | ARIZONA_JD1_FALL_TRIG_STS | | |
1083 | ARIZONA_JD1_RISE_TRIG_STS); | |
1084 | ||
f2c32a88 MB |
1085 | mutex_unlock(&info->lock); |
1086 | ||
1087 | pm_runtime_mark_last_busy(info->dev); | |
1088 | pm_runtime_put_autosuspend(info->dev); | |
1089 | ||
1090 | return IRQ_HANDLED; | |
1091 | } | |
1092 | ||
6fed4d86 MB |
1093 | /* Map a level onto a slot in the register bank */ |
1094 | static void arizona_micd_set_level(struct arizona *arizona, int index, | |
1095 | unsigned int level) | |
1096 | { | |
1097 | int reg; | |
1098 | unsigned int mask; | |
1099 | ||
1100 | reg = ARIZONA_MIC_DETECT_LEVEL_4 - (index / 2); | |
1101 | ||
1102 | if (!(index % 2)) { | |
1103 | mask = 0x3f00; | |
1104 | level <<= 8; | |
1105 | } else { | |
1106 | mask = 0x3f; | |
1107 | } | |
1108 | ||
1109 | /* Program the level itself */ | |
1110 | regmap_update_bits(arizona->regmap, reg, mask, level); | |
1111 | } | |
1112 | ||
9e86b2ad IS |
1113 | static int arizona_extcon_of_get_pdata(struct arizona *arizona) |
1114 | { | |
1115 | struct arizona_pdata *pdata = &arizona->pdata; | |
1116 | unsigned int val = ARIZONA_ACCDET_MODE_HPL; | |
1117 | ||
1118 | of_property_read_u32(arizona->dev->of_node, "wlf,hpdet-channel", &val); | |
1119 | switch (val) { | |
1120 | case ARIZONA_ACCDET_MODE_HPL: | |
1121 | case ARIZONA_ACCDET_MODE_HPR: | |
1122 | pdata->hpdet_channel = val; | |
1123 | break; | |
1124 | default: | |
1125 | dev_err(arizona->dev, | |
1126 | "Wrong wlf,hpdet-channel DT value %d\n", val); | |
1127 | pdata->hpdet_channel = ARIZONA_ACCDET_MODE_HPL; | |
1128 | } | |
1129 | ||
1130 | return 0; | |
1131 | } | |
1132 | ||
44f34fd4 | 1133 | static int arizona_extcon_probe(struct platform_device *pdev) |
f2c32a88 MB |
1134 | { |
1135 | struct arizona *arizona = dev_get_drvdata(pdev->dev.parent); | |
6ac6b475 | 1136 | struct arizona_pdata *pdata = &arizona->pdata; |
f2c32a88 | 1137 | struct arizona_extcon_info *info; |
e56a0a57 | 1138 | unsigned int val; |
a288d648 | 1139 | unsigned int clamp_mode; |
92a49871 | 1140 | int jack_irq_fall, jack_irq_rise; |
6fed4d86 | 1141 | int ret, mode, i, j; |
f2c32a88 | 1142 | |
bbbd46e3 MB |
1143 | if (!arizona->dapm || !arizona->dapm->card) |
1144 | return -EPROBE_DEFER; | |
1145 | ||
f2c32a88 | 1146 | info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); |
0a16ee63 | 1147 | if (!info) |
d88cc367 | 1148 | return -ENOMEM; |
f2c32a88 | 1149 | |
9e86b2ad IS |
1150 | if (IS_ENABLED(CONFIG_OF)) { |
1151 | if (!dev_get_platdata(arizona->dev)) | |
1152 | arizona_extcon_of_get_pdata(arizona); | |
1153 | } | |
1154 | ||
17271f60 | 1155 | info->micvdd = devm_regulator_get(&pdev->dev, "MICVDD"); |
f2c32a88 MB |
1156 | if (IS_ERR(info->micvdd)) { |
1157 | ret = PTR_ERR(info->micvdd); | |
1158 | dev_err(arizona->dev, "Failed to get MICVDD: %d\n", ret); | |
d88cc367 | 1159 | return ret; |
f2c32a88 MB |
1160 | } |
1161 | ||
1162 | mutex_init(&info->lock); | |
1163 | info->arizona = arizona; | |
1164 | info->dev = &pdev->dev; | |
a3e2078d | 1165 | info->last_jackdet = ~(ARIZONA_MICD_CLAMP_STS | ARIZONA_JD1_STS); |
0e27bd31 | 1166 | INIT_DELAYED_WORK(&info->hpdet_work, arizona_hpdet_work); |
cd59e796 | 1167 | INIT_DELAYED_WORK(&info->micd_detect_work, arizona_micd_detect); |
939c5671 | 1168 | INIT_DELAYED_WORK(&info->micd_timeout_work, arizona_micd_timeout_work); |
f2c32a88 MB |
1169 | platform_set_drvdata(pdev, info); |
1170 | ||
1171 | switch (arizona->type) { | |
1172 | case WM5102: | |
1173 | switch (arizona->rev) { | |
1174 | case 0: | |
1175 | info->micd_reva = true; | |
1176 | break; | |
1177 | default: | |
dab63eb2 | 1178 | info->micd_clamp = true; |
d0fd5fbc | 1179 | info->hpdet_ip_version = 1; |
f2c32a88 MB |
1180 | break; |
1181 | } | |
1182 | break; | |
77438610 | 1183 | case WM5110: |
2f2b6aa8 | 1184 | case WM8280: |
77438610 CK |
1185 | switch (arizona->rev) { |
1186 | case 0 ... 2: | |
1187 | break; | |
1188 | default: | |
1189 | info->micd_clamp = true; | |
d0fd5fbc | 1190 | info->hpdet_ip_version = 2; |
77438610 CK |
1191 | break; |
1192 | } | |
1193 | break; | |
f2c32a88 MB |
1194 | default: |
1195 | break; | |
1196 | } | |
1197 | ||
ef70a214 CC |
1198 | info->edev = devm_extcon_dev_allocate(&pdev->dev, arizona_cable); |
1199 | if (IS_ERR(info->edev)) { | |
1200 | dev_err(&pdev->dev, "failed to allocate extcon device\n"); | |
1201 | return -ENOMEM; | |
1202 | } | |
f2c32a88 | 1203 | |
ef70a214 | 1204 | ret = devm_extcon_dev_register(&pdev->dev, info->edev); |
f2c32a88 | 1205 | if (ret < 0) { |
8e5f5018 | 1206 | dev_err(arizona->dev, "extcon_dev_register() failed: %d\n", |
f2c32a88 | 1207 | ret); |
d88cc367 | 1208 | return ret; |
f2c32a88 MB |
1209 | } |
1210 | ||
6fed4d86 MB |
1211 | info->input = devm_input_allocate_device(&pdev->dev); |
1212 | if (!info->input) { | |
1213 | dev_err(arizona->dev, "Can't allocate input dev\n"); | |
1214 | ret = -ENOMEM; | |
1215 | goto err_register; | |
1216 | } | |
1217 | ||
1218 | info->input->name = "Headset"; | |
1219 | info->input->phys = "arizona/extcon"; | |
6fed4d86 | 1220 | |
f2c32a88 MB |
1221 | if (pdata->num_micd_configs) { |
1222 | info->micd_modes = pdata->micd_configs; | |
1223 | info->micd_num_modes = pdata->num_micd_configs; | |
1224 | } else { | |
1225 | info->micd_modes = micd_default_modes; | |
1226 | info->micd_num_modes = ARRAY_SIZE(micd_default_modes); | |
1227 | } | |
1228 | ||
1229 | if (arizona->pdata.micd_pol_gpio > 0) { | |
1230 | if (info->micd_modes[0].gpio) | |
1231 | mode = GPIOF_OUT_INIT_HIGH; | |
1232 | else | |
1233 | mode = GPIOF_OUT_INIT_LOW; | |
1234 | ||
1235 | ret = devm_gpio_request_one(&pdev->dev, | |
1236 | arizona->pdata.micd_pol_gpio, | |
1237 | mode, | |
1238 | "MICD polarity"); | |
1239 | if (ret != 0) { | |
1240 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", | |
1241 | arizona->pdata.micd_pol_gpio, ret); | |
1242 | goto err_register; | |
1243 | } | |
1244 | } | |
1245 | ||
1eda6aa7 MB |
1246 | if (arizona->pdata.hpdet_id_gpio > 0) { |
1247 | ret = devm_gpio_request_one(&pdev->dev, | |
1248 | arizona->pdata.hpdet_id_gpio, | |
1249 | GPIOF_OUT_INIT_LOW, | |
1250 | "HPDET"); | |
1251 | if (ret != 0) { | |
1252 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", | |
1253 | arizona->pdata.hpdet_id_gpio, ret); | |
1254 | goto err_register; | |
1255 | } | |
1256 | } | |
1257 | ||
b17e5462 MB |
1258 | if (arizona->pdata.micd_bias_start_time) |
1259 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1260 | ARIZONA_MICD_BIAS_STARTTIME_MASK, | |
1261 | arizona->pdata.micd_bias_start_time | |
1262 | << ARIZONA_MICD_BIAS_STARTTIME_SHIFT); | |
1263 | ||
2e033db5 MB |
1264 | if (arizona->pdata.micd_rate) |
1265 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1266 | ARIZONA_MICD_RATE_MASK, | |
1267 | arizona->pdata.micd_rate | |
1268 | << ARIZONA_MICD_RATE_SHIFT); | |
1269 | ||
1270 | if (arizona->pdata.micd_dbtime) | |
1271 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1272 | ARIZONA_MICD_DBTIME_MASK, | |
1273 | arizona->pdata.micd_dbtime | |
1274 | << ARIZONA_MICD_DBTIME_SHIFT); | |
1275 | ||
6fed4d86 MB |
1276 | BUILD_BUG_ON(ARRAY_SIZE(arizona_micd_levels) != 0x40); |
1277 | ||
1278 | if (arizona->pdata.num_micd_ranges) { | |
1279 | info->micd_ranges = pdata->micd_ranges; | |
1280 | info->num_micd_ranges = pdata->num_micd_ranges; | |
1281 | } else { | |
1282 | info->micd_ranges = micd_default_ranges; | |
1283 | info->num_micd_ranges = ARRAY_SIZE(micd_default_ranges); | |
1284 | } | |
1285 | ||
1286 | if (arizona->pdata.num_micd_ranges > ARIZONA_MAX_MICD_RANGE) { | |
1287 | dev_err(arizona->dev, "Too many MICD ranges: %d\n", | |
1288 | arizona->pdata.num_micd_ranges); | |
1289 | } | |
1290 | ||
1291 | if (info->num_micd_ranges > 1) { | |
1292 | for (i = 1; i < info->num_micd_ranges; i++) { | |
1293 | if (info->micd_ranges[i - 1].max > | |
1294 | info->micd_ranges[i].max) { | |
1295 | dev_err(arizona->dev, | |
1296 | "MICD ranges must be sorted\n"); | |
1297 | ret = -EINVAL; | |
1298 | goto err_input; | |
1299 | } | |
1300 | } | |
1301 | } | |
1302 | ||
1303 | /* Disable all buttons by default */ | |
1304 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2, | |
1305 | ARIZONA_MICD_LVL_SEL_MASK, 0x81); | |
1306 | ||
1307 | /* Set up all the buttons the user specified */ | |
1308 | for (i = 0; i < info->num_micd_ranges; i++) { | |
1309 | for (j = 0; j < ARRAY_SIZE(arizona_micd_levels); j++) | |
1310 | if (arizona_micd_levels[j] >= info->micd_ranges[i].max) | |
1311 | break; | |
1312 | ||
1313 | if (j == ARRAY_SIZE(arizona_micd_levels)) { | |
1314 | dev_err(arizona->dev, "Unsupported MICD level %d\n", | |
1315 | info->micd_ranges[i].max); | |
1316 | ret = -EINVAL; | |
1317 | goto err_input; | |
1318 | } | |
1319 | ||
1320 | dev_dbg(arizona->dev, "%d ohms for MICD threshold %d\n", | |
1321 | arizona_micd_levels[j], i); | |
1322 | ||
1323 | arizona_micd_set_level(arizona, i, j); | |
1324 | input_set_capability(info->input, EV_KEY, | |
1325 | info->micd_ranges[i].key); | |
1326 | ||
1327 | /* Enable reporting of that range */ | |
1328 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2, | |
1329 | 1 << i, 1 << i); | |
1330 | } | |
1331 | ||
1332 | /* Set all the remaining keys to a maximum */ | |
1333 | for (; i < ARIZONA_MAX_MICD_RANGE; i++) | |
1334 | arizona_micd_set_level(arizona, i, 0x3f); | |
1335 | ||
dab63eb2 | 1336 | /* |
92a49871 MB |
1337 | * If we have a clamp use it, activating in conjunction with |
1338 | * GPIO5 if that is connected for jack detect operation. | |
dab63eb2 MB |
1339 | */ |
1340 | if (info->micd_clamp) { | |
92a49871 | 1341 | if (arizona->pdata.jd_gpio5) { |
e56a0a57 MB |
1342 | /* Put the GPIO into input mode with optional pull */ |
1343 | val = 0xc101; | |
1344 | if (arizona->pdata.jd_gpio5_nopull) | |
1345 | val &= ~ARIZONA_GPN_PU; | |
1346 | ||
92a49871 | 1347 | regmap_write(arizona->regmap, ARIZONA_GPIO5_CTRL, |
e56a0a57 | 1348 | val); |
92a49871 | 1349 | |
a288d648 RF |
1350 | if (arizona->pdata.jd_invert) |
1351 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH_GP5H; | |
1352 | else | |
1353 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL_GP5H; | |
92a49871 | 1354 | } else { |
a288d648 RF |
1355 | if (arizona->pdata.jd_invert) |
1356 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH; | |
1357 | else | |
1358 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL; | |
92a49871 MB |
1359 | } |
1360 | ||
a288d648 RF |
1361 | regmap_update_bits(arizona->regmap, |
1362 | ARIZONA_MICD_CLAMP_CONTROL, | |
1363 | ARIZONA_MICD_CLAMP_MODE_MASK, clamp_mode); | |
1364 | ||
dab63eb2 MB |
1365 | regmap_update_bits(arizona->regmap, |
1366 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1367 | ARIZONA_MICD_CLAMP_DB, | |
1368 | ARIZONA_MICD_CLAMP_DB); | |
1369 | } | |
1370 | ||
f2c32a88 MB |
1371 | arizona_extcon_set_mode(info, 0); |
1372 | ||
1373 | pm_runtime_enable(&pdev->dev); | |
1374 | pm_runtime_idle(&pdev->dev); | |
1375 | pm_runtime_get_sync(&pdev->dev); | |
1376 | ||
92a49871 MB |
1377 | if (arizona->pdata.jd_gpio5) { |
1378 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; | |
1379 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; | |
1380 | } else { | |
1381 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; | |
1382 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; | |
1383 | } | |
1384 | ||
1385 | ret = arizona_request_irq(arizona, jack_irq_rise, | |
f2c32a88 MB |
1386 | "JACKDET rise", arizona_jackdet, info); |
1387 | if (ret != 0) { | |
1388 | dev_err(&pdev->dev, "Failed to get JACKDET rise IRQ: %d\n", | |
1389 | ret); | |
34efe4dc | 1390 | goto err_input; |
f2c32a88 MB |
1391 | } |
1392 | ||
92a49871 | 1393 | ret = arizona_set_irq_wake(arizona, jack_irq_rise, 1); |
f2c32a88 MB |
1394 | if (ret != 0) { |
1395 | dev_err(&pdev->dev, "Failed to set JD rise IRQ wake: %d\n", | |
1396 | ret); | |
1397 | goto err_rise; | |
1398 | } | |
1399 | ||
92a49871 | 1400 | ret = arizona_request_irq(arizona, jack_irq_fall, |
f2c32a88 MB |
1401 | "JACKDET fall", arizona_jackdet, info); |
1402 | if (ret != 0) { | |
1403 | dev_err(&pdev->dev, "Failed to get JD fall IRQ: %d\n", ret); | |
1404 | goto err_rise_wake; | |
1405 | } | |
1406 | ||
92a49871 | 1407 | ret = arizona_set_irq_wake(arizona, jack_irq_fall, 1); |
f2c32a88 MB |
1408 | if (ret != 0) { |
1409 | dev_err(&pdev->dev, "Failed to set JD fall IRQ wake: %d\n", | |
1410 | ret); | |
1411 | goto err_fall; | |
1412 | } | |
1413 | ||
1414 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_MICDET, | |
1415 | "MICDET", arizona_micdet, info); | |
1416 | if (ret != 0) { | |
1417 | dev_err(&pdev->dev, "Failed to get MICDET IRQ: %d\n", ret); | |
1418 | goto err_fall_wake; | |
1419 | } | |
1420 | ||
4f340333 MB |
1421 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_HPDET, |
1422 | "HPDET", arizona_hpdet_irq, info); | |
1423 | if (ret != 0) { | |
1424 | dev_err(&pdev->dev, "Failed to get HPDET IRQ: %d\n", ret); | |
1425 | goto err_micdet; | |
1426 | } | |
1427 | ||
f2c32a88 MB |
1428 | arizona_clk32k_enable(arizona); |
1429 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE, | |
1430 | ARIZONA_JD1_DB, ARIZONA_JD1_DB); | |
1431 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, | |
1432 | ARIZONA_JD1_ENA, ARIZONA_JD1_ENA); | |
1433 | ||
b8575a11 MB |
1434 | ret = regulator_allow_bypass(info->micvdd, true); |
1435 | if (ret != 0) | |
1436 | dev_warn(arizona->dev, "Failed to set MICVDD to bypass: %d\n", | |
1437 | ret); | |
1438 | ||
f2c32a88 MB |
1439 | pm_runtime_put(&pdev->dev); |
1440 | ||
34efe4dc MB |
1441 | ret = input_register_device(info->input); |
1442 | if (ret) { | |
1443 | dev_err(&pdev->dev, "Can't register input device: %d\n", ret); | |
4f340333 | 1444 | goto err_hpdet; |
34efe4dc MB |
1445 | } |
1446 | ||
f2c32a88 MB |
1447 | return 0; |
1448 | ||
4f340333 MB |
1449 | err_hpdet: |
1450 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); | |
80732cc1 MB |
1451 | err_micdet: |
1452 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); | |
f2c32a88 | 1453 | err_fall_wake: |
92a49871 | 1454 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); |
f2c32a88 | 1455 | err_fall: |
92a49871 | 1456 | arizona_free_irq(arizona, jack_irq_fall, info); |
f2c32a88 | 1457 | err_rise_wake: |
92a49871 | 1458 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); |
f2c32a88 | 1459 | err_rise: |
92a49871 | 1460 | arizona_free_irq(arizona, jack_irq_rise, info); |
34efe4dc | 1461 | err_input: |
f2c32a88 MB |
1462 | err_register: |
1463 | pm_runtime_disable(&pdev->dev); | |
f2c32a88 MB |
1464 | return ret; |
1465 | } | |
1466 | ||
93ed0327 | 1467 | static int arizona_extcon_remove(struct platform_device *pdev) |
f2c32a88 MB |
1468 | { |
1469 | struct arizona_extcon_info *info = platform_get_drvdata(pdev); | |
1470 | struct arizona *arizona = info->arizona; | |
92a49871 | 1471 | int jack_irq_rise, jack_irq_fall; |
f2c32a88 MB |
1472 | |
1473 | pm_runtime_disable(&pdev->dev); | |
1474 | ||
dab63eb2 MB |
1475 | regmap_update_bits(arizona->regmap, |
1476 | ARIZONA_MICD_CLAMP_CONTROL, | |
1477 | ARIZONA_MICD_CLAMP_MODE_MASK, 0); | |
1478 | ||
92a49871 MB |
1479 | if (arizona->pdata.jd_gpio5) { |
1480 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; | |
1481 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; | |
1482 | } else { | |
1483 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; | |
1484 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; | |
1485 | } | |
1486 | ||
1487 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); | |
1488 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); | |
1489 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); | |
f2c32a88 | 1490 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); |
92a49871 MB |
1491 | arizona_free_irq(arizona, jack_irq_rise, info); |
1492 | arizona_free_irq(arizona, jack_irq_fall, info); | |
0e27bd31 | 1493 | cancel_delayed_work_sync(&info->hpdet_work); |
f2c32a88 MB |
1494 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, |
1495 | ARIZONA_JD1_ENA, 0); | |
1496 | arizona_clk32k_disable(arizona); | |
f2c32a88 MB |
1497 | |
1498 | return 0; | |
1499 | } | |
1500 | ||
1501 | static struct platform_driver arizona_extcon_driver = { | |
1502 | .driver = { | |
1503 | .name = "arizona-extcon", | |
f2c32a88 MB |
1504 | }, |
1505 | .probe = arizona_extcon_probe, | |
5f7e2228 | 1506 | .remove = arizona_extcon_remove, |
f2c32a88 MB |
1507 | }; |
1508 | ||
1509 | module_platform_driver(arizona_extcon_driver); | |
1510 | ||
1511 | MODULE_DESCRIPTION("Arizona Extcon driver"); | |
1512 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
1513 | MODULE_LICENSE("GPL"); | |
1514 | MODULE_ALIAS("platform:extcon-arizona"); |