Commit | Line | Data |
---|---|---|
f2c32a88 MB |
1 | /* |
2 | * extcon-arizona.c - Extcon driver Wolfson Arizona devices | |
3 | * | |
d8d09564 | 4 | * Copyright (C) 2012-2014 Wolfson Microelectronics plc |
f2c32a88 MB |
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 | ||
f719ae33 CK |
46 | #define ARIZONA_TST_CAP_DEFAULT 0x3 |
47 | #define ARIZONA_TST_CAP_CLAMP 0x1 | |
48 | ||
9dd5e53d MB |
49 | #define ARIZONA_HPDET_MAX 10000 |
50 | ||
2643fd64 | 51 | #define HPDET_DEBOUNCE 500 |
7abd4e2a | 52 | #define DEFAULT_MICD_TIMEOUT 2000 |
a3e2078d | 53 | |
df8b6771 CK |
54 | #define QUICK_HEADPHONE_MAX_OHM 3 |
55 | #define MICROPHONE_MIN_OHM 1257 | |
56 | #define MICROPHONE_MAX_OHM 30000 | |
57 | ||
bb327e92 CK |
58 | #define MICD_DBTIME_TWO_READINGS 2 |
59 | #define MICD_DBTIME_FOUR_READINGS 4 | |
60 | ||
ffae24fe CK |
61 | #define MICD_LVL_1_TO_7 (ARIZONA_MICD_LVL_1 | ARIZONA_MICD_LVL_2 | \ |
62 | ARIZONA_MICD_LVL_3 | ARIZONA_MICD_LVL_4 | \ | |
63 | ARIZONA_MICD_LVL_5 | ARIZONA_MICD_LVL_6 | \ | |
64 | ARIZONA_MICD_LVL_7) | |
65 | ||
66 | #define MICD_LVL_0_TO_7 (ARIZONA_MICD_LVL_0 | MICD_LVL_1_TO_7) | |
67 | ||
68 | #define MICD_LVL_0_TO_8 (MICD_LVL_0_TO_7 | ARIZONA_MICD_LVL_8) | |
69 | ||
f2c32a88 MB |
70 | struct arizona_extcon_info { |
71 | struct device *dev; | |
72 | struct arizona *arizona; | |
73 | struct mutex lock; | |
74 | struct regulator *micvdd; | |
34efe4dc | 75 | struct input_dev *input; |
f2c32a88 | 76 | |
a3e2078d MB |
77 | u16 last_jackdet; |
78 | ||
f2c32a88 MB |
79 | int micd_mode; |
80 | const struct arizona_micd_config *micd_modes; | |
81 | int micd_num_modes; | |
82 | ||
6fed4d86 MB |
83 | const struct arizona_micd_range *micd_ranges; |
84 | int num_micd_ranges; | |
85 | ||
7abd4e2a MB |
86 | int micd_timeout; |
87 | ||
f2c32a88 | 88 | bool micd_reva; |
dab63eb2 | 89 | bool micd_clamp; |
f2c32a88 | 90 | |
0e27bd31 | 91 | struct delayed_work hpdet_work; |
cd59e796 | 92 | struct delayed_work micd_detect_work; |
939c5671 | 93 | struct delayed_work micd_timeout_work; |
0e27bd31 | 94 | |
4f340333 | 95 | bool hpdet_active; |
bf14ee5a | 96 | bool hpdet_done; |
9dd5e53d | 97 | bool hpdet_retried; |
4f340333 | 98 | |
dd235eea | 99 | int num_hpdet_res; |
1eda6aa7 | 100 | unsigned int hpdet_res[3]; |
dd235eea | 101 | |
f2c32a88 MB |
102 | bool mic; |
103 | bool detecting; | |
104 | int jack_flips; | |
105 | ||
d0fd5fbc | 106 | int hpdet_ip_version; |
4f340333 | 107 | |
ef70a214 | 108 | struct extcon_dev *edev; |
8e5838dd CK |
109 | |
110 | struct gpio_desc *micd_pol_gpio; | |
f2c32a88 MB |
111 | }; |
112 | ||
113 | static const struct arizona_micd_config micd_default_modes[] = { | |
41024243 CK |
114 | { ARIZONA_ACCDET_SRC, 1, 0 }, |
115 | { 0, 2, 1 }, | |
f2c32a88 MB |
116 | }; |
117 | ||
6fed4d86 MB |
118 | static const struct arizona_micd_range micd_default_ranges[] = { |
119 | { .max = 11, .key = BTN_0 }, | |
120 | { .max = 28, .key = BTN_1 }, | |
121 | { .max = 54, .key = BTN_2 }, | |
122 | { .max = 100, .key = BTN_3 }, | |
123 | { .max = 186, .key = BTN_4 }, | |
124 | { .max = 430, .key = BTN_5 }, | |
125 | }; | |
126 | ||
df8b6771 CK |
127 | /* The number of levels in arizona_micd_levels valid for button thresholds */ |
128 | #define ARIZONA_NUM_MICD_BUTTON_LEVELS 64 | |
129 | ||
6fed4d86 MB |
130 | static const int arizona_micd_levels[] = { |
131 | 3, 6, 8, 11, 13, 16, 18, 21, 23, 26, 28, 31, 34, 36, 39, 41, 44, 46, | |
132 | 49, 52, 54, 57, 60, 62, 65, 67, 70, 73, 75, 78, 81, 83, 89, 94, 100, | |
133 | 105, 111, 116, 122, 127, 139, 150, 161, 173, 186, 196, 209, 220, 245, | |
134 | 270, 295, 321, 348, 375, 402, 430, 489, 550, 614, 681, 752, 903, 1071, | |
df8b6771 | 135 | 1257, 30000, |
34efe4dc MB |
136 | }; |
137 | ||
73b6ecdb | 138 | static const unsigned int arizona_cable[] = { |
2a9de9c0 CC |
139 | EXTCON_MECHANICAL, |
140 | EXTCON_MICROPHONE, | |
141 | EXTCON_HEADPHONE, | |
142 | EXTCON_LINE_OUT, | |
143 | EXTCON_NONE, | |
f2c32a88 MB |
144 | }; |
145 | ||
9dd5e53d MB |
146 | static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info); |
147 | ||
112bdfaa CK |
148 | static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info, |
149 | bool clamp) | |
03409071 MB |
150 | { |
151 | struct arizona *arizona = info->arizona; | |
43f0acd9 | 152 | unsigned int mask = 0, val = 0; |
f719ae33 | 153 | unsigned int cap_sel = 0; |
03409071 MB |
154 | int ret; |
155 | ||
43f0acd9 | 156 | switch (arizona->type) { |
d8d09564 RF |
157 | case WM8998: |
158 | case WM1814: | |
159 | mask = 0; | |
160 | break; | |
43f0acd9 | 161 | case WM5110: |
2b51f9c2 | 162 | case WM8280: |
43f0acd9 CK |
163 | mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR | |
164 | ARIZONA_HP1L_SHRTI; | |
f719ae33 | 165 | if (clamp) { |
43f0acd9 | 166 | val = ARIZONA_HP1L_SHRTO; |
f719ae33 CK |
167 | cap_sel = ARIZONA_TST_CAP_CLAMP; |
168 | } else { | |
43f0acd9 | 169 | val = ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI; |
f719ae33 CK |
170 | cap_sel = ARIZONA_TST_CAP_DEFAULT; |
171 | } | |
172 | ||
173 | ret = regmap_update_bits(arizona->regmap, | |
174 | ARIZONA_HP_TEST_CTRL_1, | |
175 | ARIZONA_HP1_TST_CAP_SEL_MASK, | |
176 | cap_sel); | |
177 | if (ret != 0) | |
178 | dev_warn(arizona->dev, | |
179 | "Failed to set TST_CAP_SEL: %d\n", ret); | |
43f0acd9 CK |
180 | break; |
181 | default: | |
182 | mask = ARIZONA_RMV_SHRT_HP1L; | |
183 | if (clamp) | |
184 | val = ARIZONA_RMV_SHRT_HP1L; | |
185 | break; | |
186 | }; | |
112bdfaa | 187 | |
03409071 MB |
188 | mutex_lock(&arizona->dapm->card->dapm_mutex); |
189 | ||
112bdfaa | 190 | arizona->hpdet_clamp = clamp; |
03409071 | 191 | |
112bdfaa CK |
192 | /* Keep the HP output stages disabled while doing the clamp */ |
193 | if (clamp) { | |
df8c3dbe MB |
194 | ret = regmap_update_bits(arizona->regmap, |
195 | ARIZONA_OUTPUT_ENABLES_1, | |
196 | ARIZONA_OUT1L_ENA | | |
197 | ARIZONA_OUT1R_ENA, 0); | |
03409071 | 198 | if (ret != 0) |
df8c3dbe MB |
199 | dev_warn(arizona->dev, |
200 | "Failed to disable headphone outputs: %d\n", | |
201 | ret); | |
202 | } | |
203 | ||
d8d09564 RF |
204 | if (mask) { |
205 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1L, | |
206 | mask, val); | |
207 | if (ret != 0) | |
208 | dev_warn(arizona->dev, "Failed to do clamp: %d\n", | |
03409071 MB |
209 | ret); |
210 | ||
d8d09564 RF |
211 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1R, |
212 | mask, val); | |
213 | if (ret != 0) | |
214 | dev_warn(arizona->dev, "Failed to do clamp: %d\n", | |
215 | ret); | |
216 | } | |
df8c3dbe | 217 | |
112bdfaa CK |
218 | /* Restore the desired state while not doing the clamp */ |
219 | if (!clamp) { | |
df8c3dbe MB |
220 | ret = regmap_update_bits(arizona->regmap, |
221 | ARIZONA_OUTPUT_ENABLES_1, | |
222 | ARIZONA_OUT1L_ENA | | |
223 | ARIZONA_OUT1R_ENA, arizona->hp_ena); | |
03409071 | 224 | if (ret != 0) |
df8c3dbe MB |
225 | dev_warn(arizona->dev, |
226 | "Failed to restore headphone outputs: %d\n", | |
03409071 MB |
227 | ret); |
228 | } | |
229 | ||
230 | mutex_unlock(&arizona->dapm->card->dapm_mutex); | |
231 | } | |
232 | ||
f2c32a88 MB |
233 | static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode) |
234 | { | |
235 | struct arizona *arizona = info->arizona; | |
236 | ||
6fed4d86 | 237 | mode %= info->micd_num_modes; |
84eaa136 | 238 | |
cd74f7b3 MB |
239 | if (arizona->pdata.micd_pol_gpio > 0) |
240 | gpio_set_value_cansleep(arizona->pdata.micd_pol_gpio, | |
241 | info->micd_modes[mode].gpio); | |
8e5838dd CK |
242 | else |
243 | gpiod_set_value_cansleep(info->micd_pol_gpio, | |
244 | info->micd_modes[mode].gpio); | |
245 | ||
f2c32a88 MB |
246 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
247 | ARIZONA_MICD_BIAS_SRC_MASK, | |
41024243 CK |
248 | info->micd_modes[mode].bias << |
249 | ARIZONA_MICD_BIAS_SRC_SHIFT); | |
f2c32a88 MB |
250 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, |
251 | ARIZONA_ACCDET_SRC, info->micd_modes[mode].src); | |
252 | ||
253 | info->micd_mode = mode; | |
254 | ||
255 | dev_dbg(arizona->dev, "Set jack polarity to %d\n", mode); | |
256 | } | |
257 | ||
bbbd46e3 MB |
258 | static const char *arizona_extcon_get_micbias(struct arizona_extcon_info *info) |
259 | { | |
41024243 | 260 | switch (info->micd_modes[0].bias) { |
bbbd46e3 MB |
261 | case 1: |
262 | return "MICBIAS1"; | |
263 | case 2: | |
264 | return "MICBIAS2"; | |
265 | case 3: | |
266 | return "MICBIAS3"; | |
267 | default: | |
268 | return "MICVDD"; | |
269 | } | |
270 | } | |
271 | ||
272 | static void arizona_extcon_pulse_micbias(struct arizona_extcon_info *info) | |
273 | { | |
274 | struct arizona *arizona = info->arizona; | |
275 | const char *widget = arizona_extcon_get_micbias(info); | |
276 | struct snd_soc_dapm_context *dapm = arizona->dapm; | |
277 | int ret; | |
278 | ||
bbbd46e3 MB |
279 | ret = snd_soc_dapm_force_enable_pin(dapm, widget); |
280 | if (ret != 0) | |
281 | dev_warn(arizona->dev, "Failed to enable %s: %d\n", | |
282 | widget, ret); | |
283 | ||
bbbd46e3 MB |
284 | snd_soc_dapm_sync(dapm); |
285 | ||
286 | if (!arizona->pdata.micd_force_micbias) { | |
bbbd46e3 MB |
287 | ret = snd_soc_dapm_disable_pin(arizona->dapm, widget); |
288 | if (ret != 0) | |
289 | dev_warn(arizona->dev, "Failed to disable %s: %d\n", | |
290 | widget, ret); | |
291 | ||
bbbd46e3 MB |
292 | snd_soc_dapm_sync(dapm); |
293 | } | |
294 | } | |
295 | ||
9b1270c7 MB |
296 | static void arizona_start_mic(struct arizona_extcon_info *info) |
297 | { | |
298 | struct arizona *arizona = info->arizona; | |
299 | bool change; | |
300 | int ret; | |
df8b6771 | 301 | unsigned int mode; |
9b1270c7 | 302 | |
9b1270c7 MB |
303 | /* Microphone detection can't use idle mode */ |
304 | pm_runtime_get(info->dev); | |
305 | ||
bbbd46e3 MB |
306 | if (info->detecting) { |
307 | ret = regulator_allow_bypass(info->micvdd, false); | |
308 | if (ret != 0) { | |
309 | dev_err(arizona->dev, | |
310 | "Failed to regulate MICVDD: %d\n", | |
311 | ret); | |
312 | } | |
313 | } | |
314 | ||
9b1270c7 MB |
315 | ret = regulator_enable(info->micvdd); |
316 | if (ret != 0) { | |
317 | dev_err(arizona->dev, "Failed to enable MICVDD: %d\n", | |
318 | ret); | |
319 | } | |
320 | ||
321 | if (info->micd_reva) { | |
322 | regmap_write(arizona->regmap, 0x80, 0x3); | |
323 | regmap_write(arizona->regmap, 0x294, 0); | |
324 | regmap_write(arizona->regmap, 0x80, 0x0); | |
325 | } | |
326 | ||
df8b6771 CK |
327 | if (info->detecting && arizona->pdata.micd_software_compare) |
328 | mode = ARIZONA_ACCDET_MODE_ADC; | |
329 | else | |
330 | mode = ARIZONA_ACCDET_MODE_MIC; | |
331 | ||
9b1270c7 MB |
332 | regmap_update_bits(arizona->regmap, |
333 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
df8b6771 | 334 | ARIZONA_ACCDET_MODE_MASK, mode); |
9b1270c7 | 335 | |
bbbd46e3 MB |
336 | arizona_extcon_pulse_micbias(info); |
337 | ||
9b1270c7 MB |
338 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, |
339 | ARIZONA_MICD_ENA, ARIZONA_MICD_ENA, | |
340 | &change); | |
341 | if (!change) { | |
342 | regulator_disable(info->micvdd); | |
343 | pm_runtime_put_autosuspend(info->dev); | |
344 | } | |
345 | } | |
346 | ||
347 | static void arizona_stop_mic(struct arizona_extcon_info *info) | |
348 | { | |
349 | struct arizona *arizona = info->arizona; | |
bbbd46e3 MB |
350 | const char *widget = arizona_extcon_get_micbias(info); |
351 | struct snd_soc_dapm_context *dapm = arizona->dapm; | |
9b1270c7 | 352 | bool change; |
bbbd46e3 | 353 | int ret; |
9b1270c7 MB |
354 | |
355 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
356 | ARIZONA_MICD_ENA, 0, | |
357 | &change); | |
358 | ||
bbbd46e3 MB |
359 | ret = snd_soc_dapm_disable_pin(dapm, widget); |
360 | if (ret != 0) | |
361 | dev_warn(arizona->dev, | |
362 | "Failed to disable %s: %d\n", | |
363 | widget, ret); | |
364 | ||
bbbd46e3 MB |
365 | snd_soc_dapm_sync(dapm); |
366 | ||
9b1270c7 MB |
367 | if (info->micd_reva) { |
368 | regmap_write(arizona->regmap, 0x80, 0x3); | |
369 | regmap_write(arizona->regmap, 0x294, 2); | |
370 | regmap_write(arizona->regmap, 0x80, 0x0); | |
371 | } | |
372 | ||
bbbd46e3 MB |
373 | ret = regulator_allow_bypass(info->micvdd, true); |
374 | if (ret != 0) { | |
375 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", | |
376 | ret); | |
377 | } | |
378 | ||
9b1270c7 MB |
379 | if (change) { |
380 | regulator_disable(info->micvdd); | |
381 | pm_runtime_mark_last_busy(info->dev); | |
382 | pm_runtime_put_autosuspend(info->dev); | |
383 | } | |
384 | } | |
385 | ||
4f340333 | 386 | static struct { |
24a279b1 | 387 | unsigned int threshold; |
4f340333 MB |
388 | unsigned int factor_a; |
389 | unsigned int factor_b; | |
390 | } arizona_hpdet_b_ranges[] = { | |
24a279b1 CK |
391 | { 100, 5528, 362464 }, |
392 | { 169, 11084, 6186851 }, | |
393 | { 169, 11065, 65460395 }, | |
4f340333 MB |
394 | }; |
395 | ||
24a279b1 CK |
396 | #define ARIZONA_HPDET_B_RANGE_MAX 0x3fb |
397 | ||
4f340333 MB |
398 | static struct { |
399 | int min; | |
400 | int max; | |
401 | } arizona_hpdet_c_ranges[] = { | |
402 | { 0, 30 }, | |
403 | { 8, 100 }, | |
404 | { 100, 1000 }, | |
405 | { 1000, 10000 }, | |
406 | }; | |
407 | ||
408 | static int arizona_hpdet_read(struct arizona_extcon_info *info) | |
409 | { | |
410 | struct arizona *arizona = info->arizona; | |
411 | unsigned int val, range; | |
412 | int ret; | |
413 | ||
414 | ret = regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_2, &val); | |
415 | if (ret != 0) { | |
416 | dev_err(arizona->dev, "Failed to read HPDET status: %d\n", | |
417 | ret); | |
418 | return ret; | |
419 | } | |
420 | ||
d0fd5fbc | 421 | switch (info->hpdet_ip_version) { |
4f340333 MB |
422 | case 0: |
423 | if (!(val & ARIZONA_HP_DONE)) { | |
424 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
425 | val); | |
e6dd8cf2 | 426 | return -EAGAIN; |
4f340333 MB |
427 | } |
428 | ||
429 | val &= ARIZONA_HP_LVL_MASK; | |
430 | break; | |
431 | ||
432 | case 1: | |
433 | if (!(val & ARIZONA_HP_DONE_B)) { | |
434 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
435 | val); | |
e6dd8cf2 | 436 | return -EAGAIN; |
4f340333 MB |
437 | } |
438 | ||
439 | ret = regmap_read(arizona->regmap, ARIZONA_HP_DACVAL, &val); | |
440 | if (ret != 0) { | |
441 | dev_err(arizona->dev, "Failed to read HP value: %d\n", | |
442 | ret); | |
e6dd8cf2 | 443 | return -EAGAIN; |
4f340333 MB |
444 | } |
445 | ||
446 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
447 | &range); | |
448 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) | |
449 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; | |
450 | ||
451 | if (range < ARRAY_SIZE(arizona_hpdet_b_ranges) - 1 && | |
24a279b1 CK |
452 | (val < arizona_hpdet_b_ranges[range].threshold || |
453 | val >= ARIZONA_HPDET_B_RANGE_MAX)) { | |
4f340333 MB |
454 | range++; |
455 | dev_dbg(arizona->dev, "Moving to HPDET range %d\n", | |
456 | range); | |
457 | regmap_update_bits(arizona->regmap, | |
458 | ARIZONA_HEADPHONE_DETECT_1, | |
459 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, | |
460 | range << | |
461 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); | |
462 | return -EAGAIN; | |
463 | } | |
464 | ||
465 | /* If we go out of range report top of range */ | |
24a279b1 CK |
466 | if (val < arizona_hpdet_b_ranges[range].threshold || |
467 | val >= ARIZONA_HPDET_B_RANGE_MAX) { | |
4f340333 | 468 | dev_dbg(arizona->dev, "Measurement out of range\n"); |
9dd5e53d | 469 | return ARIZONA_HPDET_MAX; |
4f340333 MB |
470 | } |
471 | ||
472 | dev_dbg(arizona->dev, "HPDET read %d in range %d\n", | |
473 | val, range); | |
474 | ||
475 | val = arizona_hpdet_b_ranges[range].factor_b | |
476 | / ((val * 100) - | |
477 | arizona_hpdet_b_ranges[range].factor_a); | |
478 | break; | |
479 | ||
480 | default: | |
481 | dev_warn(arizona->dev, "Unknown HPDET IP revision %d\n", | |
d0fd5fbc | 482 | info->hpdet_ip_version); |
4f340333 MB |
483 | case 2: |
484 | if (!(val & ARIZONA_HP_DONE_B)) { | |
485 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
486 | val); | |
e6dd8cf2 | 487 | return -EAGAIN; |
4f340333 MB |
488 | } |
489 | ||
490 | val &= ARIZONA_HP_LVL_B_MASK; | |
77438610 CK |
491 | /* Convert to ohms, the value is in 0.5 ohm increments */ |
492 | val /= 2; | |
4f340333 MB |
493 | |
494 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
495 | &range); | |
496 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) | |
497 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; | |
498 | ||
9141461d | 499 | /* Skip up a range, or report? */ |
4f340333 MB |
500 | if (range < ARRAY_SIZE(arizona_hpdet_c_ranges) - 1 && |
501 | (val >= arizona_hpdet_c_ranges[range].max)) { | |
502 | range++; | |
503 | dev_dbg(arizona->dev, "Moving to HPDET range %d-%d\n", | |
504 | arizona_hpdet_c_ranges[range].min, | |
505 | arizona_hpdet_c_ranges[range].max); | |
506 | regmap_update_bits(arizona->regmap, | |
507 | ARIZONA_HEADPHONE_DETECT_1, | |
508 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, | |
509 | range << | |
510 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); | |
511 | return -EAGAIN; | |
512 | } | |
9141461d CK |
513 | |
514 | if (range && (val < arizona_hpdet_c_ranges[range].min)) { | |
515 | dev_dbg(arizona->dev, "Reporting range boundary %d\n", | |
516 | arizona_hpdet_c_ranges[range].min); | |
517 | val = arizona_hpdet_c_ranges[range].min; | |
518 | } | |
4f340333 MB |
519 | } |
520 | ||
521 | dev_dbg(arizona->dev, "HP impedance %d ohms\n", val); | |
522 | return val; | |
523 | } | |
524 | ||
9c2ba270 MB |
525 | static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading, |
526 | bool *mic) | |
dd235eea MB |
527 | { |
528 | struct arizona *arizona = info->arizona; | |
1eda6aa7 | 529 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
dd235eea MB |
530 | |
531 | /* | |
532 | * If we're using HPDET for accessory identification we need | |
533 | * to take multiple measurements, step through them in sequence. | |
534 | */ | |
535 | if (arizona->pdata.hpdet_acc_id) { | |
536 | info->hpdet_res[info->num_hpdet_res++] = *reading; | |
1eda6aa7 MB |
537 | |
538 | /* Only check the mic directly if we didn't already ID it */ | |
9c2ba270 | 539 | if (id_gpio && info->num_hpdet_res == 1) { |
1eda6aa7 MB |
540 | dev_dbg(arizona->dev, "Measuring mic\n"); |
541 | ||
542 | regmap_update_bits(arizona->regmap, | |
543 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
544 | ARIZONA_ACCDET_MODE_MASK | | |
545 | ARIZONA_ACCDET_SRC, | |
546 | ARIZONA_ACCDET_MODE_HPR | | |
547 | info->micd_modes[0].src); | |
548 | ||
549 | gpio_set_value_cansleep(id_gpio, 1); | |
550 | ||
dd235eea MB |
551 | regmap_update_bits(arizona->regmap, |
552 | ARIZONA_HEADPHONE_DETECT_1, | |
553 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
554 | return -EAGAIN; | |
555 | } | |
556 | ||
557 | /* OK, got both. Now, compare... */ | |
9c2ba270 MB |
558 | dev_dbg(arizona->dev, "HPDET measured %d %d\n", |
559 | info->hpdet_res[0], info->hpdet_res[1]); | |
c37b387f MB |
560 | |
561 | /* Take the headphone impedance for the main report */ | |
562 | *reading = info->hpdet_res[0]; | |
563 | ||
9dd5e53d MB |
564 | /* Sometimes we get false readings due to slow insert */ |
565 | if (*reading >= ARIZONA_HPDET_MAX && !info->hpdet_retried) { | |
566 | dev_dbg(arizona->dev, "Retrying high impedance\n"); | |
567 | info->num_hpdet_res = 0; | |
568 | info->hpdet_retried = true; | |
569 | arizona_start_hpdet_acc_id(info); | |
570 | pm_runtime_put(info->dev); | |
571 | return -EAGAIN; | |
572 | } | |
573 | ||
1eda6aa7 | 574 | /* |
d97abdde | 575 | * If we measure the mic as high impedance |
1eda6aa7 | 576 | */ |
9c2ba270 | 577 | if (!id_gpio || info->hpdet_res[1] > 50) { |
dd235eea | 578 | dev_dbg(arizona->dev, "Detected mic\n"); |
9c2ba270 | 579 | *mic = true; |
bf14ee5a | 580 | info->detecting = true; |
dd235eea MB |
581 | } else { |
582 | dev_dbg(arizona->dev, "Detected headphone\n"); | |
583 | } | |
584 | ||
585 | /* Make sure everything is reset back to the real polarity */ | |
586 | regmap_update_bits(arizona->regmap, | |
587 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
588 | ARIZONA_ACCDET_SRC, | |
589 | info->micd_modes[0].src); | |
590 | } | |
591 | ||
592 | return 0; | |
593 | } | |
594 | ||
4f340333 MB |
595 | static irqreturn_t arizona_hpdet_irq(int irq, void *data) |
596 | { | |
597 | struct arizona_extcon_info *info = data; | |
598 | struct arizona *arizona = info->arizona; | |
1eda6aa7 | 599 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
73b6ecdb | 600 | unsigned int report = EXTCON_HEADPHONE; |
dd235eea | 601 | int ret, reading; |
9c2ba270 | 602 | bool mic = false; |
4f340333 MB |
603 | |
604 | mutex_lock(&info->lock); | |
605 | ||
606 | /* If we got a spurious IRQ for some reason then ignore it */ | |
607 | if (!info->hpdet_active) { | |
608 | dev_warn(arizona->dev, "Spurious HPDET IRQ\n"); | |
609 | mutex_unlock(&info->lock); | |
610 | return IRQ_NONE; | |
611 | } | |
612 | ||
613 | /* If the cable was removed while measuring ignore the result */ | |
2a9de9c0 | 614 | ret = extcon_get_cable_state_(info->edev, EXTCON_MECHANICAL); |
4f340333 MB |
615 | if (ret < 0) { |
616 | dev_err(arizona->dev, "Failed to check cable state: %d\n", | |
617 | ret); | |
618 | goto out; | |
619 | } else if (!ret) { | |
620 | dev_dbg(arizona->dev, "Ignoring HPDET for removed cable\n"); | |
621 | goto done; | |
622 | } | |
623 | ||
624 | ret = arizona_hpdet_read(info); | |
d6675667 | 625 | if (ret == -EAGAIN) |
4f340333 | 626 | goto out; |
d6675667 | 627 | else if (ret < 0) |
4f340333 | 628 | goto done; |
dd235eea | 629 | reading = ret; |
4f340333 MB |
630 | |
631 | /* Reset back to starting range */ | |
632 | regmap_update_bits(arizona->regmap, | |
633 | ARIZONA_HEADPHONE_DETECT_1, | |
dd235eea MB |
634 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, |
635 | 0); | |
636 | ||
9c2ba270 | 637 | ret = arizona_hpdet_do_id(info, &reading, &mic); |
d6675667 | 638 | if (ret == -EAGAIN) |
dd235eea | 639 | goto out; |
d6675667 | 640 | else if (ret < 0) |
dd235eea | 641 | goto done; |
4f340333 MB |
642 | |
643 | /* Report high impedence cables as line outputs */ | |
dd235eea | 644 | if (reading >= 5000) |
2a9de9c0 | 645 | report = EXTCON_LINE_OUT; |
4f340333 | 646 | else |
2a9de9c0 | 647 | report = EXTCON_HEADPHONE; |
4f340333 | 648 | |
ef70a214 | 649 | ret = extcon_set_cable_state_(info->edev, report, true); |
4f340333 MB |
650 | if (ret != 0) |
651 | dev_err(arizona->dev, "Failed to report HP/line: %d\n", | |
652 | ret); | |
653 | ||
a3e00d4b CK |
654 | done: |
655 | /* Reset back to starting range */ | |
656 | regmap_update_bits(arizona->regmap, | |
657 | ARIZONA_HEADPHONE_DETECT_1, | |
658 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, | |
659 | 0); | |
660 | ||
112bdfaa | 661 | arizona_extcon_hp_clamp(info, false); |
4f340333 | 662 | |
1eda6aa7 MB |
663 | if (id_gpio) |
664 | gpio_set_value_cansleep(id_gpio, 0); | |
4f340333 MB |
665 | |
666 | /* Revert back to MICDET mode */ | |
667 | regmap_update_bits(arizona->regmap, | |
668 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
669 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
670 | ||
671 | /* If we have a mic then reenable MICDET */ | |
9c2ba270 | 672 | if (mic || info->mic) |
4f340333 MB |
673 | arizona_start_mic(info); |
674 | ||
675 | if (info->hpdet_active) { | |
676 | pm_runtime_put_autosuspend(info->dev); | |
677 | info->hpdet_active = false; | |
678 | } | |
679 | ||
bf14ee5a MB |
680 | info->hpdet_done = true; |
681 | ||
4f340333 MB |
682 | out: |
683 | mutex_unlock(&info->lock); | |
684 | ||
685 | return IRQ_HANDLED; | |
686 | } | |
687 | ||
688 | static void arizona_identify_headphone(struct arizona_extcon_info *info) | |
689 | { | |
690 | struct arizona *arizona = info->arizona; | |
691 | int ret; | |
692 | ||
bf14ee5a MB |
693 | if (info->hpdet_done) |
694 | return; | |
695 | ||
4f340333 MB |
696 | dev_dbg(arizona->dev, "Starting HPDET\n"); |
697 | ||
698 | /* Make sure we keep the device enabled during the measurement */ | |
699 | pm_runtime_get(info->dev); | |
700 | ||
701 | info->hpdet_active = true; | |
702 | ||
703 | if (info->mic) | |
704 | arizona_stop_mic(info); | |
705 | ||
112bdfaa | 706 | arizona_extcon_hp_clamp(info, true); |
4f340333 MB |
707 | |
708 | ret = regmap_update_bits(arizona->regmap, | |
709 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
710 | ARIZONA_ACCDET_MODE_MASK, | |
9e86b2ad | 711 | arizona->pdata.hpdet_channel); |
4f340333 | 712 | if (ret != 0) { |
9e86b2ad | 713 | dev_err(arizona->dev, "Failed to set HPDET mode: %d\n", ret); |
4f340333 MB |
714 | goto err; |
715 | } | |
716 | ||
717 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
718 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
719 | if (ret != 0) { | |
720 | dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n", | |
721 | ret); | |
722 | goto err; | |
723 | } | |
724 | ||
725 | return; | |
726 | ||
727 | err: | |
728 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, | |
729 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
730 | ||
731 | /* Just report headphone */ | |
2a9de9c0 | 732 | ret = extcon_set_cable_state_(info->edev, EXTCON_HEADPHONE, true); |
4f340333 MB |
733 | if (ret != 0) |
734 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); | |
735 | ||
736 | if (info->mic) | |
737 | arizona_start_mic(info); | |
738 | ||
739 | info->hpdet_active = false; | |
740 | } | |
dd235eea MB |
741 | |
742 | static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info) | |
743 | { | |
744 | struct arizona *arizona = info->arizona; | |
9c2ba270 MB |
745 | int hp_reading = 32; |
746 | bool mic; | |
dd235eea MB |
747 | int ret; |
748 | ||
749 | dev_dbg(arizona->dev, "Starting identification via HPDET\n"); | |
750 | ||
751 | /* Make sure we keep the device enabled during the measurement */ | |
0e27bd31 | 752 | pm_runtime_get_sync(info->dev); |
dd235eea MB |
753 | |
754 | info->hpdet_active = true; | |
755 | ||
112bdfaa | 756 | arizona_extcon_hp_clamp(info, true); |
dd235eea MB |
757 | |
758 | ret = regmap_update_bits(arizona->regmap, | |
759 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
760 | ARIZONA_ACCDET_SRC | ARIZONA_ACCDET_MODE_MASK, | |
761 | info->micd_modes[0].src | | |
9e86b2ad | 762 | arizona->pdata.hpdet_channel); |
dd235eea | 763 | if (ret != 0) { |
9e86b2ad | 764 | dev_err(arizona->dev, "Failed to set HPDET mode: %d\n", ret); |
dd235eea MB |
765 | goto err; |
766 | } | |
767 | ||
9c2ba270 MB |
768 | if (arizona->pdata.hpdet_acc_id_line) { |
769 | ret = regmap_update_bits(arizona->regmap, | |
770 | ARIZONA_HEADPHONE_DETECT_1, | |
771 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
772 | if (ret != 0) { | |
773 | dev_err(arizona->dev, | |
774 | "Can't start HPDETL measurement: %d\n", | |
775 | ret); | |
776 | goto err; | |
777 | } | |
778 | } else { | |
779 | arizona_hpdet_do_id(info, &hp_reading, &mic); | |
4f340333 MB |
780 | } |
781 | ||
dd235eea MB |
782 | return; |
783 | ||
784 | err: | |
785 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, | |
786 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
787 | ||
788 | /* Just report headphone */ | |
2a9de9c0 | 789 | ret = extcon_set_cable_state_(info->edev, EXTCON_HEADPHONE, true); |
dd235eea MB |
790 | if (ret != 0) |
791 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); | |
792 | ||
4f340333 MB |
793 | info->hpdet_active = false; |
794 | } | |
795 | ||
939c5671 MB |
796 | static void arizona_micd_timeout_work(struct work_struct *work) |
797 | { | |
798 | struct arizona_extcon_info *info = container_of(work, | |
c2275d2f CC |
799 | struct arizona_extcon_info, |
800 | micd_timeout_work.work); | |
939c5671 MB |
801 | |
802 | mutex_lock(&info->lock); | |
803 | ||
804 | dev_dbg(info->arizona->dev, "MICD timed out, reporting HP\n"); | |
939c5671 MB |
805 | |
806 | info->detecting = false; | |
807 | ||
0ffe8cbd CK |
808 | arizona_identify_headphone(info); |
809 | ||
939c5671 MB |
810 | arizona_stop_mic(info); |
811 | ||
812 | mutex_unlock(&info->lock); | |
813 | } | |
814 | ||
cd59e796 | 815 | static void arizona_micd_detect(struct work_struct *work) |
f2c32a88 | 816 | { |
cd59e796 | 817 | struct arizona_extcon_info *info = container_of(work, |
c2275d2f CC |
818 | struct arizona_extcon_info, |
819 | micd_detect_work.work); | |
f2c32a88 | 820 | struct arizona *arizona = info->arizona; |
e2c0f476 | 821 | unsigned int val = 0, lvl; |
6fed4d86 | 822 | int ret, i, key; |
f2c32a88 | 823 | |
939c5671 MB |
824 | cancel_delayed_work_sync(&info->micd_timeout_work); |
825 | ||
f2c32a88 MB |
826 | mutex_lock(&info->lock); |
827 | ||
31a847e6 | 828 | /* If the cable was removed while measuring ignore the result */ |
2a9de9c0 | 829 | ret = extcon_get_cable_state_(info->edev, EXTCON_MECHANICAL); |
31a847e6 CK |
830 | if (ret < 0) { |
831 | dev_err(arizona->dev, "Failed to check cable state: %d\n", | |
832 | ret); | |
833 | mutex_unlock(&info->lock); | |
834 | return; | |
835 | } else if (!ret) { | |
836 | dev_dbg(arizona->dev, "Ignoring MICDET for removed cable\n"); | |
837 | mutex_unlock(&info->lock); | |
838 | return; | |
839 | } | |
840 | ||
df8b6771 CK |
841 | if (info->detecting && arizona->pdata.micd_software_compare) { |
842 | /* Must disable MICD before we read the ADCVAL */ | |
843 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
844 | ARIZONA_MICD_ENA, 0); | |
845 | ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_4, &val); | |
846 | if (ret != 0) { | |
847 | dev_err(arizona->dev, | |
848 | "Failed to read MICDET_ADCVAL: %d\n", | |
849 | ret); | |
850 | mutex_unlock(&info->lock); | |
851 | return; | |
852 | } | |
853 | ||
854 | dev_dbg(arizona->dev, "MICDET_ADCVAL: %x\n", val); | |
855 | ||
856 | val &= ARIZONA_MICDET_ADCVAL_MASK; | |
857 | if (val < ARRAY_SIZE(arizona_micd_levels)) | |
858 | val = arizona_micd_levels[val]; | |
859 | else | |
860 | val = INT_MAX; | |
861 | ||
862 | if (val <= QUICK_HEADPHONE_MAX_OHM) | |
863 | val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_0; | |
864 | else if (val <= MICROPHONE_MIN_OHM) | |
865 | val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_1; | |
866 | else if (val <= MICROPHONE_MAX_OHM) | |
867 | val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_8; | |
868 | else | |
869 | val = ARIZONA_MICD_LVL_8; | |
870 | } | |
871 | ||
ffae24fe | 872 | for (i = 0; i < 10 && !(val & MICD_LVL_0_TO_8); i++) { |
e2c0f476 CK |
873 | ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val); |
874 | if (ret != 0) { | |
c2275d2f CC |
875 | dev_err(arizona->dev, |
876 | "Failed to read MICDET: %d\n", ret); | |
e2c0f476 | 877 | mutex_unlock(&info->lock); |
cd59e796 | 878 | return; |
e2c0f476 CK |
879 | } |
880 | ||
881 | dev_dbg(arizona->dev, "MICDET: %x\n", val); | |
f2c32a88 | 882 | |
e2c0f476 | 883 | if (!(val & ARIZONA_MICD_VALID)) { |
c2275d2f CC |
884 | dev_warn(arizona->dev, |
885 | "Microphone detection state invalid\n"); | |
e2c0f476 | 886 | mutex_unlock(&info->lock); |
cd59e796 | 887 | return; |
e2c0f476 CK |
888 | } |
889 | } | |
f2c32a88 | 890 | |
ffae24fe | 891 | if (i == 10 && !(val & MICD_LVL_0_TO_8)) { |
e2c0f476 | 892 | dev_err(arizona->dev, "Failed to get valid MICDET value\n"); |
f2c32a88 | 893 | mutex_unlock(&info->lock); |
cd59e796 | 894 | return; |
f2c32a88 MB |
895 | } |
896 | ||
897 | /* Due to jack detect this should never happen */ | |
898 | if (!(val & ARIZONA_MICD_STS)) { | |
899 | dev_warn(arizona->dev, "Detected open circuit\n"); | |
57f70ef9 CK |
900 | info->mic = false; |
901 | arizona_stop_mic(info); | |
f2c32a88 | 902 | info->detecting = false; |
57f70ef9 | 903 | arizona_identify_headphone(info); |
f2c32a88 MB |
904 | goto handled; |
905 | } | |
906 | ||
907 | /* If we got a high impedence we should have a headset, report it. */ | |
ffae24fe | 908 | if (info->detecting && (val & ARIZONA_MICD_LVL_8)) { |
0ffe8cbd CK |
909 | info->mic = true; |
910 | info->detecting = false; | |
911 | ||
4f340333 MB |
912 | arizona_identify_headphone(info); |
913 | ||
34602486 | 914 | ret = extcon_set_cable_state_(info->edev, |
2a9de9c0 | 915 | EXTCON_MICROPHONE, true); |
f2c32a88 MB |
916 | if (ret != 0) |
917 | dev_err(arizona->dev, "Headset report failed: %d\n", | |
918 | ret); | |
919 | ||
bbbd46e3 | 920 | /* Don't need to regulate for button detection */ |
e368f525 | 921 | ret = regulator_allow_bypass(info->micvdd, true); |
bbbd46e3 MB |
922 | if (ret != 0) { |
923 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", | |
924 | ret); | |
925 | } | |
926 | ||
f2c32a88 MB |
927 | goto handled; |
928 | } | |
929 | ||
930 | /* If we detected a lower impedence during initial startup | |
931 | * then we probably have the wrong polarity, flip it. Don't | |
932 | * do this for the lowest impedences to speed up detection of | |
933 | * plain headphones. If both polarities report a low | |
934 | * impedence then give up and report headphones. | |
935 | */ | |
ffae24fe | 936 | if (info->detecting && (val & MICD_LVL_1_TO_7)) { |
84eaa136 | 937 | if (info->jack_flips >= info->micd_num_modes * 10) { |
4f340333 | 938 | dev_dbg(arizona->dev, "Detected HP/line\n"); |
4f340333 | 939 | |
f2c32a88 | 940 | info->detecting = false; |
9ef2224d | 941 | |
0ffe8cbd CK |
942 | arizona_identify_headphone(info); |
943 | ||
4f340333 | 944 | arizona_stop_mic(info); |
f2c32a88 MB |
945 | } else { |
946 | info->micd_mode++; | |
947 | if (info->micd_mode == info->micd_num_modes) | |
948 | info->micd_mode = 0; | |
949 | arizona_extcon_set_mode(info, info->micd_mode); | |
950 | ||
951 | info->jack_flips++; | |
952 | } | |
953 | ||
954 | goto handled; | |
955 | } | |
956 | ||
957 | /* | |
958 | * If we're still detecting and we detect a short then we've | |
34efe4dc | 959 | * got a headphone. Otherwise it's a button press. |
f2c32a88 | 960 | */ |
ffae24fe | 961 | if (val & MICD_LVL_0_TO_7) { |
f2c32a88 MB |
962 | if (info->mic) { |
963 | dev_dbg(arizona->dev, "Mic button detected\n"); | |
964 | ||
34efe4dc MB |
965 | lvl = val & ARIZONA_MICD_LVL_MASK; |
966 | lvl >>= ARIZONA_MICD_LVL_SHIFT; | |
967 | ||
41a57850 MB |
968 | for (i = 0; i < info->num_micd_ranges; i++) |
969 | input_report_key(info->input, | |
970 | info->micd_ranges[i].key, 0); | |
971 | ||
6fed4d86 MB |
972 | WARN_ON(!lvl); |
973 | WARN_ON(ffs(lvl) - 1 >= info->num_micd_ranges); | |
974 | if (lvl && ffs(lvl) - 1 < info->num_micd_ranges) { | |
975 | key = info->micd_ranges[ffs(lvl) - 1].key; | |
976 | input_report_key(info->input, key, 1); | |
977 | input_sync(info->input); | |
978 | } | |
34efe4dc | 979 | |
f2c32a88 MB |
980 | } else if (info->detecting) { |
981 | dev_dbg(arizona->dev, "Headphone detected\n"); | |
982 | info->detecting = false; | |
983 | arizona_stop_mic(info); | |
984 | ||
4f340333 | 985 | arizona_identify_headphone(info); |
f2c32a88 MB |
986 | } else { |
987 | dev_warn(arizona->dev, "Button with no mic: %x\n", | |
988 | val); | |
989 | } | |
990 | } else { | |
991 | dev_dbg(arizona->dev, "Mic button released\n"); | |
6fed4d86 | 992 | for (i = 0; i < info->num_micd_ranges; i++) |
34efe4dc | 993 | input_report_key(info->input, |
6fed4d86 | 994 | info->micd_ranges[i].key, 0); |
34efe4dc | 995 | input_sync(info->input); |
bbbd46e3 | 996 | arizona_extcon_pulse_micbias(info); |
f2c32a88 MB |
997 | } |
998 | ||
999 | handled: | |
df8b6771 CK |
1000 | if (info->detecting) { |
1001 | if (arizona->pdata.micd_software_compare) | |
1002 | regmap_update_bits(arizona->regmap, | |
1003 | ARIZONA_MIC_DETECT_1, | |
1004 | ARIZONA_MICD_ENA, | |
1005 | ARIZONA_MICD_ENA); | |
1006 | ||
df9a5ab4 MB |
1007 | queue_delayed_work(system_power_efficient_wq, |
1008 | &info->micd_timeout_work, | |
1009 | msecs_to_jiffies(info->micd_timeout)); | |
df8b6771 | 1010 | } |
939c5671 | 1011 | |
f2c32a88 MB |
1012 | pm_runtime_mark_last_busy(info->dev); |
1013 | mutex_unlock(&info->lock); | |
cd59e796 MB |
1014 | } |
1015 | ||
1016 | static irqreturn_t arizona_micdet(int irq, void *data) | |
1017 | { | |
1018 | struct arizona_extcon_info *info = data; | |
1019 | struct arizona *arizona = info->arizona; | |
1020 | int debounce = arizona->pdata.micd_detect_debounce; | |
1021 | ||
1022 | cancel_delayed_work_sync(&info->micd_detect_work); | |
1023 | cancel_delayed_work_sync(&info->micd_timeout_work); | |
1024 | ||
1025 | mutex_lock(&info->lock); | |
1026 | if (!info->detecting) | |
1027 | debounce = 0; | |
1028 | mutex_unlock(&info->lock); | |
1029 | ||
1030 | if (debounce) | |
df9a5ab4 MB |
1031 | queue_delayed_work(system_power_efficient_wq, |
1032 | &info->micd_detect_work, | |
1033 | msecs_to_jiffies(debounce)); | |
cd59e796 MB |
1034 | else |
1035 | arizona_micd_detect(&info->micd_detect_work.work); | |
f2c32a88 MB |
1036 | |
1037 | return IRQ_HANDLED; | |
1038 | } | |
1039 | ||
0e27bd31 MB |
1040 | static void arizona_hpdet_work(struct work_struct *work) |
1041 | { | |
1042 | struct arizona_extcon_info *info = container_of(work, | |
c2275d2f CC |
1043 | struct arizona_extcon_info, |
1044 | hpdet_work.work); | |
0e27bd31 MB |
1045 | |
1046 | mutex_lock(&info->lock); | |
1047 | arizona_start_hpdet_acc_id(info); | |
1048 | mutex_unlock(&info->lock); | |
1049 | } | |
1050 | ||
f2c32a88 MB |
1051 | static irqreturn_t arizona_jackdet(int irq, void *data) |
1052 | { | |
1053 | struct arizona_extcon_info *info = data; | |
1054 | struct arizona *arizona = info->arizona; | |
92a49871 | 1055 | unsigned int val, present, mask; |
939c5671 | 1056 | bool cancelled_hp, cancelled_mic; |
34efe4dc | 1057 | int ret, i; |
f2c32a88 | 1058 | |
939c5671 MB |
1059 | cancelled_hp = cancel_delayed_work_sync(&info->hpdet_work); |
1060 | cancelled_mic = cancel_delayed_work_sync(&info->micd_timeout_work); | |
f2c32a88 | 1061 | |
a3e2078d | 1062 | pm_runtime_get_sync(info->dev); |
0e27bd31 | 1063 | |
f2c32a88 MB |
1064 | mutex_lock(&info->lock); |
1065 | ||
ff1cb0ed | 1066 | if (info->micd_clamp) { |
92a49871 | 1067 | mask = ARIZONA_MICD_CLAMP_STS; |
a0ef6428 | 1068 | present = 0; |
92a49871 MB |
1069 | } else { |
1070 | mask = ARIZONA_JD1_STS; | |
a288d648 RF |
1071 | if (arizona->pdata.jd_invert) |
1072 | present = 0; | |
1073 | else | |
1074 | present = ARIZONA_JD1_STS; | |
92a49871 MB |
1075 | } |
1076 | ||
f2c32a88 MB |
1077 | ret = regmap_read(arizona->regmap, ARIZONA_AOD_IRQ_RAW_STATUS, &val); |
1078 | if (ret != 0) { | |
1079 | dev_err(arizona->dev, "Failed to read jackdet status: %d\n", | |
1080 | ret); | |
1081 | mutex_unlock(&info->lock); | |
1082 | pm_runtime_put_autosuspend(info->dev); | |
1083 | return IRQ_NONE; | |
1084 | } | |
1085 | ||
a3e2078d MB |
1086 | val &= mask; |
1087 | if (val == info->last_jackdet) { | |
1088 | dev_dbg(arizona->dev, "Suppressing duplicate JACKDET\n"); | |
939c5671 | 1089 | if (cancelled_hp) |
df9a5ab4 MB |
1090 | queue_delayed_work(system_power_efficient_wq, |
1091 | &info->hpdet_work, | |
1092 | msecs_to_jiffies(HPDET_DEBOUNCE)); | |
a3e2078d | 1093 | |
c2275d2f CC |
1094 | if (cancelled_mic) { |
1095 | int micd_timeout = info->micd_timeout; | |
1096 | ||
df9a5ab4 MB |
1097 | queue_delayed_work(system_power_efficient_wq, |
1098 | &info->micd_timeout_work, | |
c2275d2f CC |
1099 | msecs_to_jiffies(micd_timeout)); |
1100 | } | |
939c5671 | 1101 | |
a3e2078d MB |
1102 | goto out; |
1103 | } | |
1104 | info->last_jackdet = val; | |
1105 | ||
1106 | if (info->last_jackdet == present) { | |
f2c32a88 | 1107 | dev_dbg(arizona->dev, "Detected jack\n"); |
ef70a214 | 1108 | ret = extcon_set_cable_state_(info->edev, |
2a9de9c0 | 1109 | EXTCON_MECHANICAL, true); |
f2c32a88 MB |
1110 | |
1111 | if (ret != 0) | |
1112 | dev_err(arizona->dev, "Mechanical report failed: %d\n", | |
1113 | ret); | |
1114 | ||
dd235eea MB |
1115 | if (!arizona->pdata.hpdet_acc_id) { |
1116 | info->detecting = true; | |
1117 | info->mic = false; | |
1118 | info->jack_flips = 0; | |
1119 | ||
1120 | arizona_start_mic(info); | |
1121 | } else { | |
df9a5ab4 MB |
1122 | queue_delayed_work(system_power_efficient_wq, |
1123 | &info->hpdet_work, | |
1124 | msecs_to_jiffies(HPDET_DEBOUNCE)); | |
dd235eea | 1125 | } |
4e616877 | 1126 | |
6c20b934 CK |
1127 | if (info->micd_clamp || !arizona->pdata.jd_invert) |
1128 | regmap_update_bits(arizona->regmap, | |
1129 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1130 | ARIZONA_MICD_CLAMP_DB | | |
1131 | ARIZONA_JD1_DB, 0); | |
f2c32a88 MB |
1132 | } else { |
1133 | dev_dbg(arizona->dev, "Detected jack removal\n"); | |
1134 | ||
1135 | arizona_stop_mic(info); | |
1136 | ||
dd235eea MB |
1137 | info->num_hpdet_res = 0; |
1138 | for (i = 0; i < ARRAY_SIZE(info->hpdet_res); i++) | |
1139 | info->hpdet_res[i] = 0; | |
1140 | info->mic = false; | |
bf14ee5a | 1141 | info->hpdet_done = false; |
9dd5e53d | 1142 | info->hpdet_retried = false; |
92a49871 | 1143 | |
6fed4d86 | 1144 | for (i = 0; i < info->num_micd_ranges; i++) |
34efe4dc | 1145 | input_report_key(info->input, |
6fed4d86 | 1146 | info->micd_ranges[i].key, 0); |
34efe4dc MB |
1147 | input_sync(info->input); |
1148 | ||
ef70a214 | 1149 | ret = extcon_update_state(info->edev, 0xffffffff, 0); |
f2c32a88 MB |
1150 | if (ret != 0) |
1151 | dev_err(arizona->dev, "Removal report failed: %d\n", | |
1152 | ret); | |
4e616877 MB |
1153 | |
1154 | regmap_update_bits(arizona->regmap, | |
1155 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1156 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, | |
1157 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB); | |
f2c32a88 MB |
1158 | } |
1159 | ||
7abd4e2a MB |
1160 | if (arizona->pdata.micd_timeout) |
1161 | info->micd_timeout = arizona->pdata.micd_timeout; | |
1162 | else | |
1163 | info->micd_timeout = DEFAULT_MICD_TIMEOUT; | |
1164 | ||
cb9005d7 | 1165 | out: |
5d9ab708 CK |
1166 | /* Clear trig_sts to make sure DCVDD is not forced up */ |
1167 | regmap_write(arizona->regmap, ARIZONA_AOD_WKUP_AND_TRIG, | |
1168 | ARIZONA_MICD_CLAMP_FALL_TRIG_STS | | |
1169 | ARIZONA_MICD_CLAMP_RISE_TRIG_STS | | |
1170 | ARIZONA_JD1_FALL_TRIG_STS | | |
1171 | ARIZONA_JD1_RISE_TRIG_STS); | |
1172 | ||
f2c32a88 MB |
1173 | mutex_unlock(&info->lock); |
1174 | ||
1175 | pm_runtime_mark_last_busy(info->dev); | |
1176 | pm_runtime_put_autosuspend(info->dev); | |
1177 | ||
1178 | return IRQ_HANDLED; | |
1179 | } | |
1180 | ||
6fed4d86 MB |
1181 | /* Map a level onto a slot in the register bank */ |
1182 | static void arizona_micd_set_level(struct arizona *arizona, int index, | |
1183 | unsigned int level) | |
1184 | { | |
1185 | int reg; | |
1186 | unsigned int mask; | |
1187 | ||
1188 | reg = ARIZONA_MIC_DETECT_LEVEL_4 - (index / 2); | |
1189 | ||
1190 | if (!(index % 2)) { | |
1191 | mask = 0x3f00; | |
1192 | level <<= 8; | |
1193 | } else { | |
1194 | mask = 0x3f; | |
1195 | } | |
1196 | ||
1197 | /* Program the level itself */ | |
1198 | regmap_update_bits(arizona->regmap, reg, mask, level); | |
1199 | } | |
1200 | ||
feffb0cc | 1201 | static int arizona_extcon_device_get_pdata(struct arizona *arizona) |
9e86b2ad IS |
1202 | { |
1203 | struct arizona_pdata *pdata = &arizona->pdata; | |
1204 | unsigned int val = ARIZONA_ACCDET_MODE_HPL; | |
1205 | ||
feffb0cc | 1206 | device_property_read_u32(arizona->dev, "wlf,hpdet-channel", &val); |
9e86b2ad IS |
1207 | switch (val) { |
1208 | case ARIZONA_ACCDET_MODE_HPL: | |
1209 | case ARIZONA_ACCDET_MODE_HPR: | |
1210 | pdata->hpdet_channel = val; | |
1211 | break; | |
1212 | default: | |
1213 | dev_err(arizona->dev, | |
1214 | "Wrong wlf,hpdet-channel DT value %d\n", val); | |
1215 | pdata->hpdet_channel = ARIZONA_ACCDET_MODE_HPL; | |
1216 | } | |
1217 | ||
4778d44f CK |
1218 | device_property_read_u32(arizona->dev, "wlf,micd-detect-debounce", |
1219 | &pdata->micd_detect_debounce); | |
1220 | ||
1221 | device_property_read_u32(arizona->dev, "wlf,micd-bias-start-time", | |
1222 | &pdata->micd_bias_start_time); | |
1223 | ||
1224 | device_property_read_u32(arizona->dev, "wlf,micd-rate", | |
1225 | &pdata->micd_rate); | |
1226 | ||
1227 | device_property_read_u32(arizona->dev, "wlf,micd-dbtime", | |
1228 | &pdata->micd_dbtime); | |
1229 | ||
1230 | device_property_read_u32(arizona->dev, "wlf,micd-timeout", | |
1231 | &pdata->micd_timeout); | |
1232 | ||
1233 | pdata->micd_force_micbias = device_property_read_bool(arizona->dev, | |
1234 | "wlf,micd-force-micbias"); | |
1235 | ||
9e86b2ad IS |
1236 | return 0; |
1237 | } | |
1238 | ||
44f34fd4 | 1239 | static int arizona_extcon_probe(struct platform_device *pdev) |
f2c32a88 MB |
1240 | { |
1241 | struct arizona *arizona = dev_get_drvdata(pdev->dev.parent); | |
6ac6b475 | 1242 | struct arizona_pdata *pdata = &arizona->pdata; |
f2c32a88 | 1243 | struct arizona_extcon_info *info; |
e56a0a57 | 1244 | unsigned int val; |
a288d648 | 1245 | unsigned int clamp_mode; |
92a49871 | 1246 | int jack_irq_fall, jack_irq_rise; |
6fed4d86 | 1247 | int ret, mode, i, j; |
f2c32a88 | 1248 | |
bbbd46e3 MB |
1249 | if (!arizona->dapm || !arizona->dapm->card) |
1250 | return -EPROBE_DEFER; | |
1251 | ||
f2c32a88 | 1252 | info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); |
0a16ee63 | 1253 | if (!info) |
d88cc367 | 1254 | return -ENOMEM; |
f2c32a88 | 1255 | |
feffb0cc CK |
1256 | if (!dev_get_platdata(arizona->dev)) |
1257 | arizona_extcon_device_get_pdata(arizona); | |
9e86b2ad | 1258 | |
17271f60 | 1259 | info->micvdd = devm_regulator_get(&pdev->dev, "MICVDD"); |
f2c32a88 MB |
1260 | if (IS_ERR(info->micvdd)) { |
1261 | ret = PTR_ERR(info->micvdd); | |
1262 | dev_err(arizona->dev, "Failed to get MICVDD: %d\n", ret); | |
d88cc367 | 1263 | return ret; |
f2c32a88 MB |
1264 | } |
1265 | ||
1266 | mutex_init(&info->lock); | |
1267 | info->arizona = arizona; | |
1268 | info->dev = &pdev->dev; | |
a3e2078d | 1269 | info->last_jackdet = ~(ARIZONA_MICD_CLAMP_STS | ARIZONA_JD1_STS); |
0e27bd31 | 1270 | INIT_DELAYED_WORK(&info->hpdet_work, arizona_hpdet_work); |
cd59e796 | 1271 | INIT_DELAYED_WORK(&info->micd_detect_work, arizona_micd_detect); |
939c5671 | 1272 | INIT_DELAYED_WORK(&info->micd_timeout_work, arizona_micd_timeout_work); |
f2c32a88 MB |
1273 | platform_set_drvdata(pdev, info); |
1274 | ||
1275 | switch (arizona->type) { | |
1276 | case WM5102: | |
1277 | switch (arizona->rev) { | |
1278 | case 0: | |
1279 | info->micd_reva = true; | |
1280 | break; | |
1281 | default: | |
dab63eb2 | 1282 | info->micd_clamp = true; |
d0fd5fbc | 1283 | info->hpdet_ip_version = 1; |
f2c32a88 MB |
1284 | break; |
1285 | } | |
1286 | break; | |
77438610 | 1287 | case WM5110: |
2f2b6aa8 | 1288 | case WM8280: |
77438610 CK |
1289 | switch (arizona->rev) { |
1290 | case 0 ... 2: | |
1291 | break; | |
1292 | default: | |
1293 | info->micd_clamp = true; | |
d0fd5fbc | 1294 | info->hpdet_ip_version = 2; |
77438610 CK |
1295 | break; |
1296 | } | |
1297 | break; | |
d8d09564 RF |
1298 | case WM8998: |
1299 | case WM1814: | |
1300 | info->micd_clamp = true; | |
1301 | info->hpdet_ip_version = 2; | |
1302 | break; | |
f2c32a88 MB |
1303 | default: |
1304 | break; | |
1305 | } | |
1306 | ||
ef70a214 CC |
1307 | info->edev = devm_extcon_dev_allocate(&pdev->dev, arizona_cable); |
1308 | if (IS_ERR(info->edev)) { | |
1309 | dev_err(&pdev->dev, "failed to allocate extcon device\n"); | |
1310 | return -ENOMEM; | |
1311 | } | |
f2c32a88 | 1312 | |
ef70a214 | 1313 | ret = devm_extcon_dev_register(&pdev->dev, info->edev); |
f2c32a88 | 1314 | if (ret < 0) { |
8e5f5018 | 1315 | dev_err(arizona->dev, "extcon_dev_register() failed: %d\n", |
f2c32a88 | 1316 | ret); |
d88cc367 | 1317 | return ret; |
f2c32a88 MB |
1318 | } |
1319 | ||
6fed4d86 MB |
1320 | info->input = devm_input_allocate_device(&pdev->dev); |
1321 | if (!info->input) { | |
1322 | dev_err(arizona->dev, "Can't allocate input dev\n"); | |
1323 | ret = -ENOMEM; | |
1324 | goto err_register; | |
1325 | } | |
1326 | ||
1327 | info->input->name = "Headset"; | |
1328 | info->input->phys = "arizona/extcon"; | |
6fed4d86 | 1329 | |
f2c32a88 MB |
1330 | if (pdata->num_micd_configs) { |
1331 | info->micd_modes = pdata->micd_configs; | |
1332 | info->micd_num_modes = pdata->num_micd_configs; | |
1333 | } else { | |
1334 | info->micd_modes = micd_default_modes; | |
1335 | info->micd_num_modes = ARRAY_SIZE(micd_default_modes); | |
1336 | } | |
1337 | ||
6772a5ab CK |
1338 | if (arizona->pdata.gpsw > 0) |
1339 | regmap_update_bits(arizona->regmap, ARIZONA_GP_SWITCH_1, | |
1340 | ARIZONA_SW1_MODE_MASK, arizona->pdata.gpsw); | |
1341 | ||
f2c32a88 MB |
1342 | if (arizona->pdata.micd_pol_gpio > 0) { |
1343 | if (info->micd_modes[0].gpio) | |
1344 | mode = GPIOF_OUT_INIT_HIGH; | |
1345 | else | |
1346 | mode = GPIOF_OUT_INIT_LOW; | |
1347 | ||
1348 | ret = devm_gpio_request_one(&pdev->dev, | |
1349 | arizona->pdata.micd_pol_gpio, | |
1350 | mode, | |
1351 | "MICD polarity"); | |
1352 | if (ret != 0) { | |
1353 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", | |
1354 | arizona->pdata.micd_pol_gpio, ret); | |
1355 | goto err_register; | |
1356 | } | |
8e5838dd CK |
1357 | } else { |
1358 | if (info->micd_modes[0].gpio) | |
1359 | mode = GPIOD_OUT_HIGH; | |
1360 | else | |
1361 | mode = GPIOD_OUT_LOW; | |
1362 | ||
1363 | /* We can't use devm here because we need to do the get | |
1364 | * against the MFD device, as that is where the of_node | |
1365 | * will reside, but if we devm against that the GPIO | |
1366 | * will not be freed if the extcon driver is unloaded. | |
1367 | */ | |
1368 | info->micd_pol_gpio = gpiod_get_optional(arizona->dev, | |
1369 | "wlf,micd-pol", | |
1370 | GPIOD_OUT_LOW); | |
1371 | if (IS_ERR(info->micd_pol_gpio)) { | |
1372 | ret = PTR_ERR(info->micd_pol_gpio); | |
1373 | dev_err(arizona->dev, | |
1374 | "Failed to get microphone polarity GPIO: %d\n", | |
1375 | ret); | |
1376 | goto err_register; | |
1377 | } | |
f2c32a88 MB |
1378 | } |
1379 | ||
1eda6aa7 MB |
1380 | if (arizona->pdata.hpdet_id_gpio > 0) { |
1381 | ret = devm_gpio_request_one(&pdev->dev, | |
1382 | arizona->pdata.hpdet_id_gpio, | |
1383 | GPIOF_OUT_INIT_LOW, | |
1384 | "HPDET"); | |
1385 | if (ret != 0) { | |
1386 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", | |
1387 | arizona->pdata.hpdet_id_gpio, ret); | |
8e5838dd | 1388 | goto err_gpio; |
1eda6aa7 MB |
1389 | } |
1390 | } | |
1391 | ||
b17e5462 MB |
1392 | if (arizona->pdata.micd_bias_start_time) |
1393 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1394 | ARIZONA_MICD_BIAS_STARTTIME_MASK, | |
1395 | arizona->pdata.micd_bias_start_time | |
1396 | << ARIZONA_MICD_BIAS_STARTTIME_SHIFT); | |
1397 | ||
2e033db5 MB |
1398 | if (arizona->pdata.micd_rate) |
1399 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1400 | ARIZONA_MICD_RATE_MASK, | |
1401 | arizona->pdata.micd_rate | |
1402 | << ARIZONA_MICD_RATE_SHIFT); | |
1403 | ||
bb327e92 CK |
1404 | switch (arizona->pdata.micd_dbtime) { |
1405 | case MICD_DBTIME_FOUR_READINGS: | |
2e033db5 MB |
1406 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
1407 | ARIZONA_MICD_DBTIME_MASK, | |
bb327e92 CK |
1408 | ARIZONA_MICD_DBTIME); |
1409 | break; | |
1410 | case MICD_DBTIME_TWO_READINGS: | |
1411 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1412 | ARIZONA_MICD_DBTIME_MASK, 0); | |
1413 | break; | |
1414 | default: | |
1415 | break; | |
1416 | } | |
2e033db5 | 1417 | |
df8b6771 CK |
1418 | BUILD_BUG_ON(ARRAY_SIZE(arizona_micd_levels) < |
1419 | ARIZONA_NUM_MICD_BUTTON_LEVELS); | |
6fed4d86 MB |
1420 | |
1421 | if (arizona->pdata.num_micd_ranges) { | |
1422 | info->micd_ranges = pdata->micd_ranges; | |
1423 | info->num_micd_ranges = pdata->num_micd_ranges; | |
1424 | } else { | |
1425 | info->micd_ranges = micd_default_ranges; | |
1426 | info->num_micd_ranges = ARRAY_SIZE(micd_default_ranges); | |
1427 | } | |
1428 | ||
1429 | if (arizona->pdata.num_micd_ranges > ARIZONA_MAX_MICD_RANGE) { | |
1430 | dev_err(arizona->dev, "Too many MICD ranges: %d\n", | |
1431 | arizona->pdata.num_micd_ranges); | |
1432 | } | |
1433 | ||
1434 | if (info->num_micd_ranges > 1) { | |
1435 | for (i = 1; i < info->num_micd_ranges; i++) { | |
1436 | if (info->micd_ranges[i - 1].max > | |
1437 | info->micd_ranges[i].max) { | |
1438 | dev_err(arizona->dev, | |
1439 | "MICD ranges must be sorted\n"); | |
1440 | ret = -EINVAL; | |
8e5838dd | 1441 | goto err_gpio; |
6fed4d86 MB |
1442 | } |
1443 | } | |
1444 | } | |
1445 | ||
1446 | /* Disable all buttons by default */ | |
1447 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2, | |
1448 | ARIZONA_MICD_LVL_SEL_MASK, 0x81); | |
1449 | ||
1450 | /* Set up all the buttons the user specified */ | |
1451 | for (i = 0; i < info->num_micd_ranges; i++) { | |
df8b6771 | 1452 | for (j = 0; j < ARIZONA_NUM_MICD_BUTTON_LEVELS; j++) |
6fed4d86 MB |
1453 | if (arizona_micd_levels[j] >= info->micd_ranges[i].max) |
1454 | break; | |
1455 | ||
df8b6771 | 1456 | if (j == ARIZONA_NUM_MICD_BUTTON_LEVELS) { |
6fed4d86 MB |
1457 | dev_err(arizona->dev, "Unsupported MICD level %d\n", |
1458 | info->micd_ranges[i].max); | |
1459 | ret = -EINVAL; | |
8e5838dd | 1460 | goto err_gpio; |
6fed4d86 MB |
1461 | } |
1462 | ||
1463 | dev_dbg(arizona->dev, "%d ohms for MICD threshold %d\n", | |
1464 | arizona_micd_levels[j], i); | |
1465 | ||
1466 | arizona_micd_set_level(arizona, i, j); | |
1467 | input_set_capability(info->input, EV_KEY, | |
1468 | info->micd_ranges[i].key); | |
1469 | ||
1470 | /* Enable reporting of that range */ | |
1471 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2, | |
1472 | 1 << i, 1 << i); | |
1473 | } | |
1474 | ||
1475 | /* Set all the remaining keys to a maximum */ | |
1476 | for (; i < ARIZONA_MAX_MICD_RANGE; i++) | |
1477 | arizona_micd_set_level(arizona, i, 0x3f); | |
1478 | ||
dab63eb2 | 1479 | /* |
92a49871 MB |
1480 | * If we have a clamp use it, activating in conjunction with |
1481 | * GPIO5 if that is connected for jack detect operation. | |
dab63eb2 MB |
1482 | */ |
1483 | if (info->micd_clamp) { | |
92a49871 | 1484 | if (arizona->pdata.jd_gpio5) { |
e56a0a57 MB |
1485 | /* Put the GPIO into input mode with optional pull */ |
1486 | val = 0xc101; | |
1487 | if (arizona->pdata.jd_gpio5_nopull) | |
1488 | val &= ~ARIZONA_GPN_PU; | |
1489 | ||
92a49871 | 1490 | regmap_write(arizona->regmap, ARIZONA_GPIO5_CTRL, |
e56a0a57 | 1491 | val); |
92a49871 | 1492 | |
a288d648 RF |
1493 | if (arizona->pdata.jd_invert) |
1494 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH_GP5H; | |
1495 | else | |
1496 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL_GP5H; | |
92a49871 | 1497 | } else { |
a288d648 RF |
1498 | if (arizona->pdata.jd_invert) |
1499 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH; | |
1500 | else | |
1501 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL; | |
92a49871 MB |
1502 | } |
1503 | ||
a288d648 RF |
1504 | regmap_update_bits(arizona->regmap, |
1505 | ARIZONA_MICD_CLAMP_CONTROL, | |
1506 | ARIZONA_MICD_CLAMP_MODE_MASK, clamp_mode); | |
1507 | ||
dab63eb2 MB |
1508 | regmap_update_bits(arizona->regmap, |
1509 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1510 | ARIZONA_MICD_CLAMP_DB, | |
1511 | ARIZONA_MICD_CLAMP_DB); | |
1512 | } | |
1513 | ||
f2c32a88 MB |
1514 | arizona_extcon_set_mode(info, 0); |
1515 | ||
1516 | pm_runtime_enable(&pdev->dev); | |
1517 | pm_runtime_idle(&pdev->dev); | |
1518 | pm_runtime_get_sync(&pdev->dev); | |
1519 | ||
ff1cb0ed | 1520 | if (info->micd_clamp) { |
92a49871 MB |
1521 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; |
1522 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; | |
1523 | } else { | |
1524 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; | |
1525 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; | |
1526 | } | |
1527 | ||
1528 | ret = arizona_request_irq(arizona, jack_irq_rise, | |
f2c32a88 MB |
1529 | "JACKDET rise", arizona_jackdet, info); |
1530 | if (ret != 0) { | |
1531 | dev_err(&pdev->dev, "Failed to get JACKDET rise IRQ: %d\n", | |
1532 | ret); | |
8e5838dd | 1533 | goto err_gpio; |
f2c32a88 MB |
1534 | } |
1535 | ||
92a49871 | 1536 | ret = arizona_set_irq_wake(arizona, jack_irq_rise, 1); |
f2c32a88 MB |
1537 | if (ret != 0) { |
1538 | dev_err(&pdev->dev, "Failed to set JD rise IRQ wake: %d\n", | |
1539 | ret); | |
1540 | goto err_rise; | |
1541 | } | |
1542 | ||
92a49871 | 1543 | ret = arizona_request_irq(arizona, jack_irq_fall, |
f2c32a88 MB |
1544 | "JACKDET fall", arizona_jackdet, info); |
1545 | if (ret != 0) { | |
1546 | dev_err(&pdev->dev, "Failed to get JD fall IRQ: %d\n", ret); | |
1547 | goto err_rise_wake; | |
1548 | } | |
1549 | ||
92a49871 | 1550 | ret = arizona_set_irq_wake(arizona, jack_irq_fall, 1); |
f2c32a88 MB |
1551 | if (ret != 0) { |
1552 | dev_err(&pdev->dev, "Failed to set JD fall IRQ wake: %d\n", | |
1553 | ret); | |
1554 | goto err_fall; | |
1555 | } | |
1556 | ||
1557 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_MICDET, | |
1558 | "MICDET", arizona_micdet, info); | |
1559 | if (ret != 0) { | |
1560 | dev_err(&pdev->dev, "Failed to get MICDET IRQ: %d\n", ret); | |
1561 | goto err_fall_wake; | |
1562 | } | |
1563 | ||
4f340333 MB |
1564 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_HPDET, |
1565 | "HPDET", arizona_hpdet_irq, info); | |
1566 | if (ret != 0) { | |
1567 | dev_err(&pdev->dev, "Failed to get HPDET IRQ: %d\n", ret); | |
1568 | goto err_micdet; | |
1569 | } | |
1570 | ||
f2c32a88 MB |
1571 | arizona_clk32k_enable(arizona); |
1572 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE, | |
1573 | ARIZONA_JD1_DB, ARIZONA_JD1_DB); | |
1574 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, | |
1575 | ARIZONA_JD1_ENA, ARIZONA_JD1_ENA); | |
1576 | ||
b8575a11 MB |
1577 | ret = regulator_allow_bypass(info->micvdd, true); |
1578 | if (ret != 0) | |
1579 | dev_warn(arizona->dev, "Failed to set MICVDD to bypass: %d\n", | |
1580 | ret); | |
1581 | ||
f2c32a88 MB |
1582 | pm_runtime_put(&pdev->dev); |
1583 | ||
34efe4dc MB |
1584 | ret = input_register_device(info->input); |
1585 | if (ret) { | |
1586 | dev_err(&pdev->dev, "Can't register input device: %d\n", ret); | |
4f340333 | 1587 | goto err_hpdet; |
34efe4dc MB |
1588 | } |
1589 | ||
f2c32a88 MB |
1590 | return 0; |
1591 | ||
4f340333 MB |
1592 | err_hpdet: |
1593 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); | |
80732cc1 MB |
1594 | err_micdet: |
1595 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); | |
f2c32a88 | 1596 | err_fall_wake: |
92a49871 | 1597 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); |
f2c32a88 | 1598 | err_fall: |
92a49871 | 1599 | arizona_free_irq(arizona, jack_irq_fall, info); |
f2c32a88 | 1600 | err_rise_wake: |
92a49871 | 1601 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); |
f2c32a88 | 1602 | err_rise: |
92a49871 | 1603 | arizona_free_irq(arizona, jack_irq_rise, info); |
8e5838dd CK |
1604 | err_gpio: |
1605 | gpiod_put(info->micd_pol_gpio); | |
f2c32a88 MB |
1606 | err_register: |
1607 | pm_runtime_disable(&pdev->dev); | |
f2c32a88 MB |
1608 | return ret; |
1609 | } | |
1610 | ||
93ed0327 | 1611 | static int arizona_extcon_remove(struct platform_device *pdev) |
f2c32a88 MB |
1612 | { |
1613 | struct arizona_extcon_info *info = platform_get_drvdata(pdev); | |
1614 | struct arizona *arizona = info->arizona; | |
92a49871 | 1615 | int jack_irq_rise, jack_irq_fall; |
f2c32a88 | 1616 | |
8e5838dd CK |
1617 | gpiod_put(info->micd_pol_gpio); |
1618 | ||
f2c32a88 MB |
1619 | pm_runtime_disable(&pdev->dev); |
1620 | ||
dab63eb2 MB |
1621 | regmap_update_bits(arizona->regmap, |
1622 | ARIZONA_MICD_CLAMP_CONTROL, | |
1623 | ARIZONA_MICD_CLAMP_MODE_MASK, 0); | |
1624 | ||
ff1cb0ed | 1625 | if (info->micd_clamp) { |
92a49871 MB |
1626 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; |
1627 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; | |
1628 | } else { | |
1629 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; | |
1630 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; | |
1631 | } | |
1632 | ||
1633 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); | |
1634 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); | |
1635 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); | |
f2c32a88 | 1636 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); |
92a49871 MB |
1637 | arizona_free_irq(arizona, jack_irq_rise, info); |
1638 | arizona_free_irq(arizona, jack_irq_fall, info); | |
0e27bd31 | 1639 | cancel_delayed_work_sync(&info->hpdet_work); |
f2c32a88 MB |
1640 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, |
1641 | ARIZONA_JD1_ENA, 0); | |
1642 | arizona_clk32k_disable(arizona); | |
f2c32a88 MB |
1643 | |
1644 | return 0; | |
1645 | } | |
1646 | ||
1647 | static struct platform_driver arizona_extcon_driver = { | |
1648 | .driver = { | |
1649 | .name = "arizona-extcon", | |
f2c32a88 MB |
1650 | }, |
1651 | .probe = arizona_extcon_probe, | |
5f7e2228 | 1652 | .remove = arizona_extcon_remove, |
f2c32a88 MB |
1653 | }; |
1654 | ||
1655 | module_platform_driver(arizona_extcon_driver); | |
1656 | ||
1657 | MODULE_DESCRIPTION("Arizona Extcon driver"); | |
1658 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
1659 | MODULE_LICENSE("GPL"); | |
1660 | MODULE_ALIAS("platform:extcon-arizona"); |