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Commit | Line | Data |
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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 | 29 | #include <linux/regulator/consumer.h> |
176aa360 | 30 | #include <linux/extcon-provider.h> |
f2c32a88 | 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 | |
e57bb43c CK |
54 | #define ARIZONA_HPDET_WAIT_COUNT 15 |
55 | #define ARIZONA_HPDET_WAIT_DELAY_MS 20 | |
56 | ||
df8b6771 CK |
57 | #define QUICK_HEADPHONE_MAX_OHM 3 |
58 | #define MICROPHONE_MIN_OHM 1257 | |
59 | #define MICROPHONE_MAX_OHM 30000 | |
60 | ||
bb327e92 CK |
61 | #define MICD_DBTIME_TWO_READINGS 2 |
62 | #define MICD_DBTIME_FOUR_READINGS 4 | |
63 | ||
ffae24fe CK |
64 | #define MICD_LVL_1_TO_7 (ARIZONA_MICD_LVL_1 | ARIZONA_MICD_LVL_2 | \ |
65 | ARIZONA_MICD_LVL_3 | ARIZONA_MICD_LVL_4 | \ | |
66 | ARIZONA_MICD_LVL_5 | ARIZONA_MICD_LVL_6 | \ | |
67 | ARIZONA_MICD_LVL_7) | |
68 | ||
69 | #define MICD_LVL_0_TO_7 (ARIZONA_MICD_LVL_0 | MICD_LVL_1_TO_7) | |
70 | ||
71 | #define MICD_LVL_0_TO_8 (MICD_LVL_0_TO_7 | ARIZONA_MICD_LVL_8) | |
72 | ||
f2c32a88 MB |
73 | struct arizona_extcon_info { |
74 | struct device *dev; | |
75 | struct arizona *arizona; | |
76 | struct mutex lock; | |
77 | struct regulator *micvdd; | |
34efe4dc | 78 | struct input_dev *input; |
f2c32a88 | 79 | |
a3e2078d MB |
80 | u16 last_jackdet; |
81 | ||
f2c32a88 MB |
82 | int micd_mode; |
83 | const struct arizona_micd_config *micd_modes; | |
84 | int micd_num_modes; | |
85 | ||
6fed4d86 MB |
86 | const struct arizona_micd_range *micd_ranges; |
87 | int num_micd_ranges; | |
88 | ||
7abd4e2a MB |
89 | int micd_timeout; |
90 | ||
f2c32a88 | 91 | bool micd_reva; |
dab63eb2 | 92 | bool micd_clamp; |
f2c32a88 | 93 | |
0e27bd31 | 94 | struct delayed_work hpdet_work; |
cd59e796 | 95 | struct delayed_work micd_detect_work; |
939c5671 | 96 | struct delayed_work micd_timeout_work; |
0e27bd31 | 97 | |
4f340333 | 98 | bool hpdet_active; |
bf14ee5a | 99 | bool hpdet_done; |
9dd5e53d | 100 | bool hpdet_retried; |
4f340333 | 101 | |
dd235eea | 102 | int num_hpdet_res; |
1eda6aa7 | 103 | unsigned int hpdet_res[3]; |
dd235eea | 104 | |
f2c32a88 MB |
105 | bool mic; |
106 | bool detecting; | |
107 | int jack_flips; | |
108 | ||
d0fd5fbc | 109 | int hpdet_ip_version; |
4f340333 | 110 | |
ef70a214 | 111 | struct extcon_dev *edev; |
8e5838dd CK |
112 | |
113 | struct gpio_desc *micd_pol_gpio; | |
f2c32a88 MB |
114 | }; |
115 | ||
116 | static const struct arizona_micd_config micd_default_modes[] = { | |
41024243 CK |
117 | { ARIZONA_ACCDET_SRC, 1, 0 }, |
118 | { 0, 2, 1 }, | |
f2c32a88 MB |
119 | }; |
120 | ||
6fed4d86 MB |
121 | static const struct arizona_micd_range micd_default_ranges[] = { |
122 | { .max = 11, .key = BTN_0 }, | |
123 | { .max = 28, .key = BTN_1 }, | |
124 | { .max = 54, .key = BTN_2 }, | |
125 | { .max = 100, .key = BTN_3 }, | |
126 | { .max = 186, .key = BTN_4 }, | |
127 | { .max = 430, .key = BTN_5 }, | |
128 | }; | |
129 | ||
df8b6771 CK |
130 | /* The number of levels in arizona_micd_levels valid for button thresholds */ |
131 | #define ARIZONA_NUM_MICD_BUTTON_LEVELS 64 | |
132 | ||
6fed4d86 MB |
133 | static const int arizona_micd_levels[] = { |
134 | 3, 6, 8, 11, 13, 16, 18, 21, 23, 26, 28, 31, 34, 36, 39, 41, 44, 46, | |
135 | 49, 52, 54, 57, 60, 62, 65, 67, 70, 73, 75, 78, 81, 83, 89, 94, 100, | |
136 | 105, 111, 116, 122, 127, 139, 150, 161, 173, 186, 196, 209, 220, 245, | |
137 | 270, 295, 321, 348, 375, 402, 430, 489, 550, 614, 681, 752, 903, 1071, | |
df8b6771 | 138 | 1257, 30000, |
34efe4dc MB |
139 | }; |
140 | ||
73b6ecdb | 141 | static const unsigned int arizona_cable[] = { |
2a9de9c0 | 142 | EXTCON_MECHANICAL, |
11eecf91 CC |
143 | EXTCON_JACK_MICROPHONE, |
144 | EXTCON_JACK_HEADPHONE, | |
145 | EXTCON_JACK_LINE_OUT, | |
2a9de9c0 | 146 | EXTCON_NONE, |
f2c32a88 MB |
147 | }; |
148 | ||
9dd5e53d MB |
149 | static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info); |
150 | ||
112bdfaa CK |
151 | static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info, |
152 | bool clamp) | |
03409071 MB |
153 | { |
154 | struct arizona *arizona = info->arizona; | |
43f0acd9 | 155 | unsigned int mask = 0, val = 0; |
f719ae33 | 156 | unsigned int cap_sel = 0; |
03409071 MB |
157 | int ret; |
158 | ||
43f0acd9 | 159 | switch (arizona->type) { |
d8d09564 RF |
160 | case WM8998: |
161 | case WM1814: | |
162 | mask = 0; | |
163 | break; | |
43f0acd9 | 164 | case WM5110: |
2b51f9c2 | 165 | case WM8280: |
43f0acd9 CK |
166 | mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR | |
167 | ARIZONA_HP1L_SHRTI; | |
f719ae33 | 168 | if (clamp) { |
43f0acd9 | 169 | val = ARIZONA_HP1L_SHRTO; |
f719ae33 CK |
170 | cap_sel = ARIZONA_TST_CAP_CLAMP; |
171 | } else { | |
43f0acd9 | 172 | val = ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI; |
f719ae33 CK |
173 | cap_sel = ARIZONA_TST_CAP_DEFAULT; |
174 | } | |
175 | ||
176 | ret = regmap_update_bits(arizona->regmap, | |
177 | ARIZONA_HP_TEST_CTRL_1, | |
178 | ARIZONA_HP1_TST_CAP_SEL_MASK, | |
179 | cap_sel); | |
180 | if (ret != 0) | |
181 | dev_warn(arizona->dev, | |
182 | "Failed to set TST_CAP_SEL: %d\n", ret); | |
43f0acd9 CK |
183 | break; |
184 | default: | |
185 | mask = ARIZONA_RMV_SHRT_HP1L; | |
186 | if (clamp) | |
187 | val = ARIZONA_RMV_SHRT_HP1L; | |
188 | break; | |
c19dc203 | 189 | } |
112bdfaa | 190 | |
03bf1adb | 191 | snd_soc_dapm_mutex_lock(arizona->dapm); |
03409071 | 192 | |
112bdfaa | 193 | arizona->hpdet_clamp = clamp; |
03409071 | 194 | |
112bdfaa CK |
195 | /* Keep the HP output stages disabled while doing the clamp */ |
196 | if (clamp) { | |
df8c3dbe MB |
197 | ret = regmap_update_bits(arizona->regmap, |
198 | ARIZONA_OUTPUT_ENABLES_1, | |
199 | ARIZONA_OUT1L_ENA | | |
200 | ARIZONA_OUT1R_ENA, 0); | |
03409071 | 201 | if (ret != 0) |
df8c3dbe MB |
202 | dev_warn(arizona->dev, |
203 | "Failed to disable headphone outputs: %d\n", | |
204 | ret); | |
205 | } | |
206 | ||
d8d09564 RF |
207 | if (mask) { |
208 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1L, | |
209 | mask, val); | |
210 | if (ret != 0) | |
211 | dev_warn(arizona->dev, "Failed to do clamp: %d\n", | |
03409071 MB |
212 | ret); |
213 | ||
d8d09564 RF |
214 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1R, |
215 | mask, val); | |
216 | if (ret != 0) | |
217 | dev_warn(arizona->dev, "Failed to do clamp: %d\n", | |
218 | ret); | |
219 | } | |
df8c3dbe | 220 | |
112bdfaa CK |
221 | /* Restore the desired state while not doing the clamp */ |
222 | if (!clamp) { | |
df8c3dbe MB |
223 | ret = regmap_update_bits(arizona->regmap, |
224 | ARIZONA_OUTPUT_ENABLES_1, | |
225 | ARIZONA_OUT1L_ENA | | |
226 | ARIZONA_OUT1R_ENA, arizona->hp_ena); | |
03409071 | 227 | if (ret != 0) |
df8c3dbe MB |
228 | dev_warn(arizona->dev, |
229 | "Failed to restore headphone outputs: %d\n", | |
03409071 MB |
230 | ret); |
231 | } | |
232 | ||
03bf1adb | 233 | snd_soc_dapm_mutex_unlock(arizona->dapm); |
03409071 MB |
234 | } |
235 | ||
f2c32a88 MB |
236 | static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode) |
237 | { | |
238 | struct arizona *arizona = info->arizona; | |
239 | ||
6fed4d86 | 240 | mode %= info->micd_num_modes; |
84eaa136 | 241 | |
6c467a10 CK |
242 | gpiod_set_value_cansleep(info->micd_pol_gpio, |
243 | info->micd_modes[mode].gpio); | |
8e5838dd | 244 | |
f2c32a88 MB |
245 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
246 | ARIZONA_MICD_BIAS_SRC_MASK, | |
41024243 CK |
247 | info->micd_modes[mode].bias << |
248 | ARIZONA_MICD_BIAS_SRC_SHIFT); | |
f2c32a88 MB |
249 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, |
250 | ARIZONA_ACCDET_SRC, info->micd_modes[mode].src); | |
251 | ||
252 | info->micd_mode = mode; | |
253 | ||
254 | dev_dbg(arizona->dev, "Set jack polarity to %d\n", mode); | |
255 | } | |
256 | ||
bbbd46e3 MB |
257 | static const char *arizona_extcon_get_micbias(struct arizona_extcon_info *info) |
258 | { | |
41024243 | 259 | switch (info->micd_modes[0].bias) { |
bbbd46e3 MB |
260 | case 1: |
261 | return "MICBIAS1"; | |
262 | case 2: | |
263 | return "MICBIAS2"; | |
264 | case 3: | |
265 | return "MICBIAS3"; | |
266 | default: | |
267 | return "MICVDD"; | |
268 | } | |
269 | } | |
270 | ||
271 | static void arizona_extcon_pulse_micbias(struct arizona_extcon_info *info) | |
272 | { | |
273 | struct arizona *arizona = info->arizona; | |
274 | const char *widget = arizona_extcon_get_micbias(info); | |
275 | struct snd_soc_dapm_context *dapm = arizona->dapm; | |
efd95c71 | 276 | struct snd_soc_component *component = snd_soc_dapm_to_component(dapm); |
bbbd46e3 MB |
277 | int ret; |
278 | ||
efd95c71 | 279 | ret = snd_soc_component_force_enable_pin(component, widget); |
bbbd46e3 MB |
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) { | |
efd95c71 | 287 | ret = snd_soc_component_disable_pin(component, widget); |
bbbd46e3 MB |
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; | |
efd95c71 | 352 | struct snd_soc_component *component = snd_soc_dapm_to_component(dapm); |
9b1270c7 | 353 | bool change; |
bbbd46e3 | 354 | int ret; |
9b1270c7 MB |
355 | |
356 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
357 | ARIZONA_MICD_ENA, 0, | |
358 | &change); | |
359 | ||
efd95c71 | 360 | ret = snd_soc_component_disable_pin(component, widget); |
bbbd46e3 MB |
361 | if (ret != 0) |
362 | dev_warn(arizona->dev, | |
363 | "Failed to disable %s: %d\n", | |
364 | widget, ret); | |
365 | ||
bbbd46e3 MB |
366 | snd_soc_dapm_sync(dapm); |
367 | ||
9b1270c7 MB |
368 | if (info->micd_reva) { |
369 | regmap_write(arizona->regmap, 0x80, 0x3); | |
370 | regmap_write(arizona->regmap, 0x294, 2); | |
371 | regmap_write(arizona->regmap, 0x80, 0x0); | |
372 | } | |
373 | ||
bbbd46e3 MB |
374 | ret = regulator_allow_bypass(info->micvdd, true); |
375 | if (ret != 0) { | |
376 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", | |
377 | ret); | |
378 | } | |
379 | ||
9b1270c7 MB |
380 | if (change) { |
381 | regulator_disable(info->micvdd); | |
382 | pm_runtime_mark_last_busy(info->dev); | |
383 | pm_runtime_put_autosuspend(info->dev); | |
384 | } | |
385 | } | |
386 | ||
4f340333 | 387 | static struct { |
24a279b1 | 388 | unsigned int threshold; |
4f340333 MB |
389 | unsigned int factor_a; |
390 | unsigned int factor_b; | |
391 | } arizona_hpdet_b_ranges[] = { | |
24a279b1 CK |
392 | { 100, 5528, 362464 }, |
393 | { 169, 11084, 6186851 }, | |
394 | { 169, 11065, 65460395 }, | |
4f340333 MB |
395 | }; |
396 | ||
24a279b1 CK |
397 | #define ARIZONA_HPDET_B_RANGE_MAX 0x3fb |
398 | ||
4f340333 MB |
399 | static struct { |
400 | int min; | |
401 | int max; | |
402 | } arizona_hpdet_c_ranges[] = { | |
403 | { 0, 30 }, | |
404 | { 8, 100 }, | |
405 | { 100, 1000 }, | |
406 | { 1000, 10000 }, | |
407 | }; | |
408 | ||
409 | static int arizona_hpdet_read(struct arizona_extcon_info *info) | |
410 | { | |
411 | struct arizona *arizona = info->arizona; | |
412 | unsigned int val, range; | |
413 | int ret; | |
414 | ||
415 | ret = regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_2, &val); | |
416 | if (ret != 0) { | |
417 | dev_err(arizona->dev, "Failed to read HPDET status: %d\n", | |
418 | ret); | |
419 | return ret; | |
420 | } | |
421 | ||
d0fd5fbc | 422 | switch (info->hpdet_ip_version) { |
4f340333 MB |
423 | case 0: |
424 | if (!(val & ARIZONA_HP_DONE)) { | |
425 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
426 | val); | |
e6dd8cf2 | 427 | return -EAGAIN; |
4f340333 MB |
428 | } |
429 | ||
430 | val &= ARIZONA_HP_LVL_MASK; | |
431 | break; | |
432 | ||
433 | case 1: | |
434 | if (!(val & ARIZONA_HP_DONE_B)) { | |
435 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
436 | val); | |
e6dd8cf2 | 437 | return -EAGAIN; |
4f340333 MB |
438 | } |
439 | ||
440 | ret = regmap_read(arizona->regmap, ARIZONA_HP_DACVAL, &val); | |
441 | if (ret != 0) { | |
442 | dev_err(arizona->dev, "Failed to read HP value: %d\n", | |
443 | ret); | |
e6dd8cf2 | 444 | return -EAGAIN; |
4f340333 MB |
445 | } |
446 | ||
447 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
448 | &range); | |
449 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) | |
450 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; | |
451 | ||
452 | if (range < ARRAY_SIZE(arizona_hpdet_b_ranges) - 1 && | |
24a279b1 CK |
453 | (val < arizona_hpdet_b_ranges[range].threshold || |
454 | val >= ARIZONA_HPDET_B_RANGE_MAX)) { | |
4f340333 MB |
455 | range++; |
456 | dev_dbg(arizona->dev, "Moving to HPDET range %d\n", | |
457 | range); | |
458 | regmap_update_bits(arizona->regmap, | |
459 | ARIZONA_HEADPHONE_DETECT_1, | |
460 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, | |
461 | range << | |
462 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); | |
463 | return -EAGAIN; | |
464 | } | |
465 | ||
466 | /* If we go out of range report top of range */ | |
24a279b1 CK |
467 | if (val < arizona_hpdet_b_ranges[range].threshold || |
468 | val >= ARIZONA_HPDET_B_RANGE_MAX) { | |
4f340333 | 469 | dev_dbg(arizona->dev, "Measurement out of range\n"); |
9dd5e53d | 470 | return ARIZONA_HPDET_MAX; |
4f340333 MB |
471 | } |
472 | ||
473 | dev_dbg(arizona->dev, "HPDET read %d in range %d\n", | |
474 | val, range); | |
475 | ||
476 | val = arizona_hpdet_b_ranges[range].factor_b | |
477 | / ((val * 100) - | |
478 | arizona_hpdet_b_ranges[range].factor_a); | |
479 | break; | |
480 | ||
4f340333 MB |
481 | case 2: |
482 | if (!(val & ARIZONA_HP_DONE_B)) { | |
483 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
484 | val); | |
e6dd8cf2 | 485 | return -EAGAIN; |
4f340333 MB |
486 | } |
487 | ||
488 | val &= ARIZONA_HP_LVL_B_MASK; | |
77438610 CK |
489 | /* Convert to ohms, the value is in 0.5 ohm increments */ |
490 | val /= 2; | |
4f340333 MB |
491 | |
492 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
493 | &range); | |
494 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) | |
495 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; | |
496 | ||
9141461d | 497 | /* Skip up a range, or report? */ |
4f340333 MB |
498 | if (range < ARRAY_SIZE(arizona_hpdet_c_ranges) - 1 && |
499 | (val >= arizona_hpdet_c_ranges[range].max)) { | |
500 | range++; | |
501 | dev_dbg(arizona->dev, "Moving to HPDET range %d-%d\n", | |
502 | arizona_hpdet_c_ranges[range].min, | |
503 | arizona_hpdet_c_ranges[range].max); | |
504 | regmap_update_bits(arizona->regmap, | |
505 | ARIZONA_HEADPHONE_DETECT_1, | |
506 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, | |
507 | range << | |
508 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); | |
509 | return -EAGAIN; | |
510 | } | |
9141461d CK |
511 | |
512 | if (range && (val < arizona_hpdet_c_ranges[range].min)) { | |
513 | dev_dbg(arizona->dev, "Reporting range boundary %d\n", | |
514 | arizona_hpdet_c_ranges[range].min); | |
515 | val = arizona_hpdet_c_ranges[range].min; | |
516 | } | |
e9844b2c CC |
517 | break; |
518 | ||
519 | default: | |
520 | dev_warn(arizona->dev, "Unknown HPDET IP revision %d\n", | |
521 | info->hpdet_ip_version); | |
522 | return -EINVAL; | |
4f340333 MB |
523 | } |
524 | ||
525 | dev_dbg(arizona->dev, "HP impedance %d ohms\n", val); | |
526 | return val; | |
527 | } | |
528 | ||
9c2ba270 MB |
529 | static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading, |
530 | bool *mic) | |
dd235eea MB |
531 | { |
532 | struct arizona *arizona = info->arizona; | |
1eda6aa7 | 533 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
dd235eea MB |
534 | |
535 | /* | |
536 | * If we're using HPDET for accessory identification we need | |
537 | * to take multiple measurements, step through them in sequence. | |
538 | */ | |
539 | if (arizona->pdata.hpdet_acc_id) { | |
540 | info->hpdet_res[info->num_hpdet_res++] = *reading; | |
1eda6aa7 MB |
541 | |
542 | /* Only check the mic directly if we didn't already ID it */ | |
9c2ba270 | 543 | if (id_gpio && info->num_hpdet_res == 1) { |
1eda6aa7 MB |
544 | dev_dbg(arizona->dev, "Measuring mic\n"); |
545 | ||
546 | regmap_update_bits(arizona->regmap, | |
547 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
548 | ARIZONA_ACCDET_MODE_MASK | | |
549 | ARIZONA_ACCDET_SRC, | |
550 | ARIZONA_ACCDET_MODE_HPR | | |
551 | info->micd_modes[0].src); | |
552 | ||
553 | gpio_set_value_cansleep(id_gpio, 1); | |
554 | ||
dd235eea MB |
555 | regmap_update_bits(arizona->regmap, |
556 | ARIZONA_HEADPHONE_DETECT_1, | |
557 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
558 | return -EAGAIN; | |
559 | } | |
560 | ||
561 | /* OK, got both. Now, compare... */ | |
9c2ba270 MB |
562 | dev_dbg(arizona->dev, "HPDET measured %d %d\n", |
563 | info->hpdet_res[0], info->hpdet_res[1]); | |
c37b387f MB |
564 | |
565 | /* Take the headphone impedance for the main report */ | |
566 | *reading = info->hpdet_res[0]; | |
567 | ||
9dd5e53d MB |
568 | /* Sometimes we get false readings due to slow insert */ |
569 | if (*reading >= ARIZONA_HPDET_MAX && !info->hpdet_retried) { | |
570 | dev_dbg(arizona->dev, "Retrying high impedance\n"); | |
571 | info->num_hpdet_res = 0; | |
572 | info->hpdet_retried = true; | |
573 | arizona_start_hpdet_acc_id(info); | |
574 | pm_runtime_put(info->dev); | |
575 | return -EAGAIN; | |
576 | } | |
577 | ||
1eda6aa7 | 578 | /* |
d97abdde | 579 | * If we measure the mic as high impedance |
1eda6aa7 | 580 | */ |
9c2ba270 | 581 | if (!id_gpio || info->hpdet_res[1] > 50) { |
dd235eea | 582 | dev_dbg(arizona->dev, "Detected mic\n"); |
9c2ba270 | 583 | *mic = true; |
bf14ee5a | 584 | info->detecting = true; |
dd235eea MB |
585 | } else { |
586 | dev_dbg(arizona->dev, "Detected headphone\n"); | |
587 | } | |
588 | ||
589 | /* Make sure everything is reset back to the real polarity */ | |
590 | regmap_update_bits(arizona->regmap, | |
591 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
592 | ARIZONA_ACCDET_SRC, | |
593 | info->micd_modes[0].src); | |
594 | } | |
595 | ||
596 | return 0; | |
597 | } | |
598 | ||
4f340333 MB |
599 | static irqreturn_t arizona_hpdet_irq(int irq, void *data) |
600 | { | |
601 | struct arizona_extcon_info *info = data; | |
602 | struct arizona *arizona = info->arizona; | |
1eda6aa7 | 603 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
11eecf91 | 604 | unsigned int report = EXTCON_JACK_HEADPHONE; |
dd235eea | 605 | int ret, reading; |
9c2ba270 | 606 | bool mic = false; |
4f340333 MB |
607 | |
608 | mutex_lock(&info->lock); | |
609 | ||
610 | /* If we got a spurious IRQ for some reason then ignore it */ | |
611 | if (!info->hpdet_active) { | |
612 | dev_warn(arizona->dev, "Spurious HPDET IRQ\n"); | |
613 | mutex_unlock(&info->lock); | |
614 | return IRQ_NONE; | |
615 | } | |
616 | ||
617 | /* If the cable was removed while measuring ignore the result */ | |
8670b459 | 618 | ret = extcon_get_state(info->edev, EXTCON_MECHANICAL); |
4f340333 MB |
619 | if (ret < 0) { |
620 | dev_err(arizona->dev, "Failed to check cable state: %d\n", | |
621 | ret); | |
622 | goto out; | |
623 | } else if (!ret) { | |
624 | dev_dbg(arizona->dev, "Ignoring HPDET for removed cable\n"); | |
625 | goto done; | |
626 | } | |
627 | ||
628 | ret = arizona_hpdet_read(info); | |
d6675667 | 629 | if (ret == -EAGAIN) |
4f340333 | 630 | goto out; |
d6675667 | 631 | else if (ret < 0) |
4f340333 | 632 | goto done; |
dd235eea | 633 | reading = ret; |
4f340333 MB |
634 | |
635 | /* Reset back to starting range */ | |
636 | regmap_update_bits(arizona->regmap, | |
637 | ARIZONA_HEADPHONE_DETECT_1, | |
dd235eea MB |
638 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, |
639 | 0); | |
640 | ||
9c2ba270 | 641 | ret = arizona_hpdet_do_id(info, &reading, &mic); |
d6675667 | 642 | if (ret == -EAGAIN) |
dd235eea | 643 | goto out; |
d6675667 | 644 | else if (ret < 0) |
dd235eea | 645 | goto done; |
4f340333 MB |
646 | |
647 | /* Report high impedence cables as line outputs */ | |
dd235eea | 648 | if (reading >= 5000) |
11eecf91 | 649 | report = EXTCON_JACK_LINE_OUT; |
4f340333 | 650 | else |
11eecf91 | 651 | report = EXTCON_JACK_HEADPHONE; |
4f340333 | 652 | |
8670b459 | 653 | ret = extcon_set_state_sync(info->edev, report, true); |
4f340333 MB |
654 | if (ret != 0) |
655 | dev_err(arizona->dev, "Failed to report HP/line: %d\n", | |
656 | ret); | |
657 | ||
a3e00d4b CK |
658 | done: |
659 | /* Reset back to starting range */ | |
660 | regmap_update_bits(arizona->regmap, | |
661 | ARIZONA_HEADPHONE_DETECT_1, | |
662 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, | |
663 | 0); | |
664 | ||
112bdfaa | 665 | arizona_extcon_hp_clamp(info, false); |
4f340333 | 666 | |
1eda6aa7 MB |
667 | if (id_gpio) |
668 | gpio_set_value_cansleep(id_gpio, 0); | |
4f340333 MB |
669 | |
670 | /* Revert back to MICDET mode */ | |
671 | regmap_update_bits(arizona->regmap, | |
672 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
673 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
674 | ||
675 | /* If we have a mic then reenable MICDET */ | |
9c2ba270 | 676 | if (mic || info->mic) |
4f340333 MB |
677 | arizona_start_mic(info); |
678 | ||
679 | if (info->hpdet_active) { | |
680 | pm_runtime_put_autosuspend(info->dev); | |
681 | info->hpdet_active = false; | |
682 | } | |
683 | ||
bf14ee5a MB |
684 | info->hpdet_done = true; |
685 | ||
4f340333 MB |
686 | out: |
687 | mutex_unlock(&info->lock); | |
688 | ||
689 | return IRQ_HANDLED; | |
690 | } | |
691 | ||
692 | static void arizona_identify_headphone(struct arizona_extcon_info *info) | |
693 | { | |
694 | struct arizona *arizona = info->arizona; | |
695 | int ret; | |
696 | ||
bf14ee5a MB |
697 | if (info->hpdet_done) |
698 | return; | |
699 | ||
4f340333 MB |
700 | dev_dbg(arizona->dev, "Starting HPDET\n"); |
701 | ||
702 | /* Make sure we keep the device enabled during the measurement */ | |
703 | pm_runtime_get(info->dev); | |
704 | ||
705 | info->hpdet_active = true; | |
706 | ||
707 | if (info->mic) | |
708 | arizona_stop_mic(info); | |
709 | ||
112bdfaa | 710 | arizona_extcon_hp_clamp(info, true); |
4f340333 MB |
711 | |
712 | ret = regmap_update_bits(arizona->regmap, | |
713 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
714 | ARIZONA_ACCDET_MODE_MASK, | |
9e86b2ad | 715 | arizona->pdata.hpdet_channel); |
4f340333 | 716 | if (ret != 0) { |
9e86b2ad | 717 | dev_err(arizona->dev, "Failed to set HPDET mode: %d\n", ret); |
4f340333 MB |
718 | goto err; |
719 | } | |
720 | ||
721 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
722 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
723 | if (ret != 0) { | |
724 | dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n", | |
725 | ret); | |
726 | goto err; | |
727 | } | |
728 | ||
729 | return; | |
730 | ||
731 | err: | |
732 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, | |
733 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
734 | ||
735 | /* Just report headphone */ | |
8670b459 | 736 | ret = extcon_set_state_sync(info->edev, EXTCON_JACK_HEADPHONE, true); |
4f340333 MB |
737 | if (ret != 0) |
738 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); | |
739 | ||
740 | if (info->mic) | |
741 | arizona_start_mic(info); | |
742 | ||
743 | info->hpdet_active = false; | |
744 | } | |
dd235eea MB |
745 | |
746 | static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info) | |
747 | { | |
748 | struct arizona *arizona = info->arizona; | |
9c2ba270 MB |
749 | int hp_reading = 32; |
750 | bool mic; | |
dd235eea MB |
751 | int ret; |
752 | ||
753 | dev_dbg(arizona->dev, "Starting identification via HPDET\n"); | |
754 | ||
755 | /* Make sure we keep the device enabled during the measurement */ | |
0e27bd31 | 756 | pm_runtime_get_sync(info->dev); |
dd235eea MB |
757 | |
758 | info->hpdet_active = true; | |
759 | ||
112bdfaa | 760 | arizona_extcon_hp_clamp(info, true); |
dd235eea MB |
761 | |
762 | ret = regmap_update_bits(arizona->regmap, | |
763 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
764 | ARIZONA_ACCDET_SRC | ARIZONA_ACCDET_MODE_MASK, | |
765 | info->micd_modes[0].src | | |
9e86b2ad | 766 | arizona->pdata.hpdet_channel); |
dd235eea | 767 | if (ret != 0) { |
9e86b2ad | 768 | dev_err(arizona->dev, "Failed to set HPDET mode: %d\n", ret); |
dd235eea MB |
769 | goto err; |
770 | } | |
771 | ||
9c2ba270 MB |
772 | if (arizona->pdata.hpdet_acc_id_line) { |
773 | ret = regmap_update_bits(arizona->regmap, | |
774 | ARIZONA_HEADPHONE_DETECT_1, | |
775 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
776 | if (ret != 0) { | |
777 | dev_err(arizona->dev, | |
778 | "Can't start HPDETL measurement: %d\n", | |
779 | ret); | |
780 | goto err; | |
781 | } | |
782 | } else { | |
783 | arizona_hpdet_do_id(info, &hp_reading, &mic); | |
4f340333 MB |
784 | } |
785 | ||
dd235eea MB |
786 | return; |
787 | ||
788 | err: | |
789 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, | |
790 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
791 | ||
792 | /* Just report headphone */ | |
8670b459 | 793 | ret = extcon_set_state_sync(info->edev, EXTCON_JACK_HEADPHONE, true); |
dd235eea MB |
794 | if (ret != 0) |
795 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); | |
796 | ||
4f340333 MB |
797 | info->hpdet_active = false; |
798 | } | |
799 | ||
939c5671 MB |
800 | static void arizona_micd_timeout_work(struct work_struct *work) |
801 | { | |
802 | struct arizona_extcon_info *info = container_of(work, | |
c2275d2f CC |
803 | struct arizona_extcon_info, |
804 | micd_timeout_work.work); | |
939c5671 MB |
805 | |
806 | mutex_lock(&info->lock); | |
807 | ||
808 | dev_dbg(info->arizona->dev, "MICD timed out, reporting HP\n"); | |
939c5671 MB |
809 | |
810 | info->detecting = false; | |
811 | ||
0ffe8cbd CK |
812 | arizona_identify_headphone(info); |
813 | ||
939c5671 MB |
814 | arizona_stop_mic(info); |
815 | ||
816 | mutex_unlock(&info->lock); | |
817 | } | |
818 | ||
cd59e796 | 819 | static void arizona_micd_detect(struct work_struct *work) |
f2c32a88 | 820 | { |
cd59e796 | 821 | struct arizona_extcon_info *info = container_of(work, |
c2275d2f CC |
822 | struct arizona_extcon_info, |
823 | micd_detect_work.work); | |
f2c32a88 | 824 | struct arizona *arizona = info->arizona; |
e2c0f476 | 825 | unsigned int val = 0, lvl; |
6fed4d86 | 826 | int ret, i, key; |
f2c32a88 | 827 | |
939c5671 MB |
828 | cancel_delayed_work_sync(&info->micd_timeout_work); |
829 | ||
f2c32a88 MB |
830 | mutex_lock(&info->lock); |
831 | ||
31a847e6 | 832 | /* If the cable was removed while measuring ignore the result */ |
8670b459 | 833 | ret = extcon_get_state(info->edev, EXTCON_MECHANICAL); |
31a847e6 CK |
834 | if (ret < 0) { |
835 | dev_err(arizona->dev, "Failed to check cable state: %d\n", | |
836 | ret); | |
837 | mutex_unlock(&info->lock); | |
838 | return; | |
839 | } else if (!ret) { | |
840 | dev_dbg(arizona->dev, "Ignoring MICDET for removed cable\n"); | |
841 | mutex_unlock(&info->lock); | |
842 | return; | |
843 | } | |
844 | ||
df8b6771 CK |
845 | if (info->detecting && arizona->pdata.micd_software_compare) { |
846 | /* Must disable MICD before we read the ADCVAL */ | |
847 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
848 | ARIZONA_MICD_ENA, 0); | |
849 | ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_4, &val); | |
850 | if (ret != 0) { | |
851 | dev_err(arizona->dev, | |
852 | "Failed to read MICDET_ADCVAL: %d\n", | |
853 | ret); | |
854 | mutex_unlock(&info->lock); | |
855 | return; | |
856 | } | |
857 | ||
858 | dev_dbg(arizona->dev, "MICDET_ADCVAL: %x\n", val); | |
859 | ||
860 | val &= ARIZONA_MICDET_ADCVAL_MASK; | |
861 | if (val < ARRAY_SIZE(arizona_micd_levels)) | |
862 | val = arizona_micd_levels[val]; | |
863 | else | |
864 | val = INT_MAX; | |
865 | ||
866 | if (val <= QUICK_HEADPHONE_MAX_OHM) | |
867 | val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_0; | |
868 | else if (val <= MICROPHONE_MIN_OHM) | |
869 | val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_1; | |
870 | else if (val <= MICROPHONE_MAX_OHM) | |
871 | val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_8; | |
872 | else | |
873 | val = ARIZONA_MICD_LVL_8; | |
874 | } | |
875 | ||
ffae24fe | 876 | for (i = 0; i < 10 && !(val & MICD_LVL_0_TO_8); i++) { |
e2c0f476 CK |
877 | ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val); |
878 | if (ret != 0) { | |
c2275d2f CC |
879 | dev_err(arizona->dev, |
880 | "Failed to read MICDET: %d\n", ret); | |
e2c0f476 | 881 | mutex_unlock(&info->lock); |
cd59e796 | 882 | return; |
e2c0f476 CK |
883 | } |
884 | ||
885 | dev_dbg(arizona->dev, "MICDET: %x\n", val); | |
f2c32a88 | 886 | |
e2c0f476 | 887 | if (!(val & ARIZONA_MICD_VALID)) { |
c2275d2f CC |
888 | dev_warn(arizona->dev, |
889 | "Microphone detection state invalid\n"); | |
e2c0f476 | 890 | mutex_unlock(&info->lock); |
cd59e796 | 891 | return; |
e2c0f476 CK |
892 | } |
893 | } | |
f2c32a88 | 894 | |
ffae24fe | 895 | if (i == 10 && !(val & MICD_LVL_0_TO_8)) { |
e2c0f476 | 896 | dev_err(arizona->dev, "Failed to get valid MICDET value\n"); |
f2c32a88 | 897 | mutex_unlock(&info->lock); |
cd59e796 | 898 | return; |
f2c32a88 MB |
899 | } |
900 | ||
901 | /* Due to jack detect this should never happen */ | |
902 | if (!(val & ARIZONA_MICD_STS)) { | |
903 | dev_warn(arizona->dev, "Detected open circuit\n"); | |
57f70ef9 CK |
904 | info->mic = false; |
905 | arizona_stop_mic(info); | |
f2c32a88 | 906 | info->detecting = false; |
57f70ef9 | 907 | arizona_identify_headphone(info); |
f2c32a88 MB |
908 | goto handled; |
909 | } | |
910 | ||
911 | /* If we got a high impedence we should have a headset, report it. */ | |
ffae24fe | 912 | if (info->detecting && (val & ARIZONA_MICD_LVL_8)) { |
0ffe8cbd CK |
913 | info->mic = true; |
914 | info->detecting = false; | |
915 | ||
4f340333 MB |
916 | arizona_identify_headphone(info); |
917 | ||
8670b459 | 918 | ret = extcon_set_state_sync(info->edev, |
11eecf91 | 919 | EXTCON_JACK_MICROPHONE, true); |
f2c32a88 MB |
920 | if (ret != 0) |
921 | dev_err(arizona->dev, "Headset report failed: %d\n", | |
922 | ret); | |
923 | ||
bbbd46e3 | 924 | /* Don't need to regulate for button detection */ |
e368f525 | 925 | ret = regulator_allow_bypass(info->micvdd, true); |
bbbd46e3 MB |
926 | if (ret != 0) { |
927 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", | |
928 | ret); | |
929 | } | |
930 | ||
f2c32a88 MB |
931 | goto handled; |
932 | } | |
933 | ||
934 | /* If we detected a lower impedence during initial startup | |
935 | * then we probably have the wrong polarity, flip it. Don't | |
936 | * do this for the lowest impedences to speed up detection of | |
937 | * plain headphones. If both polarities report a low | |
938 | * impedence then give up and report headphones. | |
939 | */ | |
ffae24fe | 940 | if (info->detecting && (val & MICD_LVL_1_TO_7)) { |
84eaa136 | 941 | if (info->jack_flips >= info->micd_num_modes * 10) { |
4f340333 | 942 | dev_dbg(arizona->dev, "Detected HP/line\n"); |
4f340333 | 943 | |
f2c32a88 | 944 | info->detecting = false; |
9ef2224d | 945 | |
0ffe8cbd CK |
946 | arizona_identify_headphone(info); |
947 | ||
4f340333 | 948 | arizona_stop_mic(info); |
f2c32a88 MB |
949 | } else { |
950 | info->micd_mode++; | |
951 | if (info->micd_mode == info->micd_num_modes) | |
952 | info->micd_mode = 0; | |
953 | arizona_extcon_set_mode(info, info->micd_mode); | |
954 | ||
955 | info->jack_flips++; | |
956 | } | |
957 | ||
958 | goto handled; | |
959 | } | |
960 | ||
961 | /* | |
962 | * If we're still detecting and we detect a short then we've | |
34efe4dc | 963 | * got a headphone. Otherwise it's a button press. |
f2c32a88 | 964 | */ |
ffae24fe | 965 | if (val & MICD_LVL_0_TO_7) { |
f2c32a88 MB |
966 | if (info->mic) { |
967 | dev_dbg(arizona->dev, "Mic button detected\n"); | |
968 | ||
34efe4dc MB |
969 | lvl = val & ARIZONA_MICD_LVL_MASK; |
970 | lvl >>= ARIZONA_MICD_LVL_SHIFT; | |
971 | ||
41a57850 MB |
972 | for (i = 0; i < info->num_micd_ranges; i++) |
973 | input_report_key(info->input, | |
974 | info->micd_ranges[i].key, 0); | |
975 | ||
6fed4d86 MB |
976 | WARN_ON(!lvl); |
977 | WARN_ON(ffs(lvl) - 1 >= info->num_micd_ranges); | |
978 | if (lvl && ffs(lvl) - 1 < info->num_micd_ranges) { | |
979 | key = info->micd_ranges[ffs(lvl) - 1].key; | |
980 | input_report_key(info->input, key, 1); | |
981 | input_sync(info->input); | |
982 | } | |
34efe4dc | 983 | |
f2c32a88 MB |
984 | } else if (info->detecting) { |
985 | dev_dbg(arizona->dev, "Headphone detected\n"); | |
986 | info->detecting = false; | |
987 | arizona_stop_mic(info); | |
988 | ||
4f340333 | 989 | arizona_identify_headphone(info); |
f2c32a88 MB |
990 | } else { |
991 | dev_warn(arizona->dev, "Button with no mic: %x\n", | |
992 | val); | |
993 | } | |
994 | } else { | |
995 | dev_dbg(arizona->dev, "Mic button released\n"); | |
6fed4d86 | 996 | for (i = 0; i < info->num_micd_ranges; i++) |
34efe4dc | 997 | input_report_key(info->input, |
6fed4d86 | 998 | info->micd_ranges[i].key, 0); |
34efe4dc | 999 | input_sync(info->input); |
bbbd46e3 | 1000 | arizona_extcon_pulse_micbias(info); |
f2c32a88 MB |
1001 | } |
1002 | ||
1003 | handled: | |
df8b6771 CK |
1004 | if (info->detecting) { |
1005 | if (arizona->pdata.micd_software_compare) | |
1006 | regmap_update_bits(arizona->regmap, | |
1007 | ARIZONA_MIC_DETECT_1, | |
1008 | ARIZONA_MICD_ENA, | |
1009 | ARIZONA_MICD_ENA); | |
1010 | ||
df9a5ab4 MB |
1011 | queue_delayed_work(system_power_efficient_wq, |
1012 | &info->micd_timeout_work, | |
1013 | msecs_to_jiffies(info->micd_timeout)); | |
df8b6771 | 1014 | } |
939c5671 | 1015 | |
f2c32a88 MB |
1016 | pm_runtime_mark_last_busy(info->dev); |
1017 | mutex_unlock(&info->lock); | |
cd59e796 MB |
1018 | } |
1019 | ||
1020 | static irqreturn_t arizona_micdet(int irq, void *data) | |
1021 | { | |
1022 | struct arizona_extcon_info *info = data; | |
1023 | struct arizona *arizona = info->arizona; | |
1024 | int debounce = arizona->pdata.micd_detect_debounce; | |
1025 | ||
1026 | cancel_delayed_work_sync(&info->micd_detect_work); | |
1027 | cancel_delayed_work_sync(&info->micd_timeout_work); | |
1028 | ||
1029 | mutex_lock(&info->lock); | |
1030 | if (!info->detecting) | |
1031 | debounce = 0; | |
1032 | mutex_unlock(&info->lock); | |
1033 | ||
1034 | if (debounce) | |
df9a5ab4 MB |
1035 | queue_delayed_work(system_power_efficient_wq, |
1036 | &info->micd_detect_work, | |
1037 | msecs_to_jiffies(debounce)); | |
cd59e796 MB |
1038 | else |
1039 | arizona_micd_detect(&info->micd_detect_work.work); | |
f2c32a88 MB |
1040 | |
1041 | return IRQ_HANDLED; | |
1042 | } | |
1043 | ||
0e27bd31 MB |
1044 | static void arizona_hpdet_work(struct work_struct *work) |
1045 | { | |
1046 | struct arizona_extcon_info *info = container_of(work, | |
c2275d2f CC |
1047 | struct arizona_extcon_info, |
1048 | hpdet_work.work); | |
0e27bd31 MB |
1049 | |
1050 | mutex_lock(&info->lock); | |
1051 | arizona_start_hpdet_acc_id(info); | |
1052 | mutex_unlock(&info->lock); | |
1053 | } | |
1054 | ||
e57bb43c CK |
1055 | static int arizona_hpdet_wait(struct arizona_extcon_info *info) |
1056 | { | |
1057 | struct arizona *arizona = info->arizona; | |
1058 | unsigned int val; | |
1059 | int i, ret; | |
1060 | ||
1061 | for (i = 0; i < ARIZONA_HPDET_WAIT_COUNT; i++) { | |
1062 | ret = regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_2, | |
1063 | &val); | |
1064 | if (ret) { | |
1065 | dev_err(arizona->dev, | |
1066 | "Failed to read HPDET state: %d\n", ret); | |
1067 | return ret; | |
1068 | } | |
1069 | ||
1070 | switch (info->hpdet_ip_version) { | |
1071 | case 0: | |
1072 | if (val & ARIZONA_HP_DONE) | |
1073 | return 0; | |
1074 | break; | |
1075 | default: | |
1076 | if (val & ARIZONA_HP_DONE_B) | |
1077 | return 0; | |
1078 | break; | |
1079 | } | |
1080 | ||
1081 | msleep(ARIZONA_HPDET_WAIT_DELAY_MS); | |
1082 | } | |
1083 | ||
1084 | dev_warn(arizona->dev, "HPDET did not appear to complete\n"); | |
1085 | ||
1086 | return -ETIMEDOUT; | |
1087 | } | |
1088 | ||
f2c32a88 MB |
1089 | static irqreturn_t arizona_jackdet(int irq, void *data) |
1090 | { | |
1091 | struct arizona_extcon_info *info = data; | |
1092 | struct arizona *arizona = info->arizona; | |
92a49871 | 1093 | unsigned int val, present, mask; |
939c5671 | 1094 | bool cancelled_hp, cancelled_mic; |
34efe4dc | 1095 | int ret, i; |
f2c32a88 | 1096 | |
939c5671 MB |
1097 | cancelled_hp = cancel_delayed_work_sync(&info->hpdet_work); |
1098 | cancelled_mic = cancel_delayed_work_sync(&info->micd_timeout_work); | |
f2c32a88 | 1099 | |
a3e2078d | 1100 | pm_runtime_get_sync(info->dev); |
0e27bd31 | 1101 | |
f2c32a88 MB |
1102 | mutex_lock(&info->lock); |
1103 | ||
ff1cb0ed | 1104 | if (info->micd_clamp) { |
92a49871 | 1105 | mask = ARIZONA_MICD_CLAMP_STS; |
a0ef6428 | 1106 | present = 0; |
92a49871 MB |
1107 | } else { |
1108 | mask = ARIZONA_JD1_STS; | |
a288d648 RF |
1109 | if (arizona->pdata.jd_invert) |
1110 | present = 0; | |
1111 | else | |
1112 | present = ARIZONA_JD1_STS; | |
92a49871 MB |
1113 | } |
1114 | ||
f2c32a88 MB |
1115 | ret = regmap_read(arizona->regmap, ARIZONA_AOD_IRQ_RAW_STATUS, &val); |
1116 | if (ret != 0) { | |
1117 | dev_err(arizona->dev, "Failed to read jackdet status: %d\n", | |
1118 | ret); | |
1119 | mutex_unlock(&info->lock); | |
1120 | pm_runtime_put_autosuspend(info->dev); | |
1121 | return IRQ_NONE; | |
1122 | } | |
1123 | ||
a3e2078d MB |
1124 | val &= mask; |
1125 | if (val == info->last_jackdet) { | |
1126 | dev_dbg(arizona->dev, "Suppressing duplicate JACKDET\n"); | |
939c5671 | 1127 | if (cancelled_hp) |
df9a5ab4 MB |
1128 | queue_delayed_work(system_power_efficient_wq, |
1129 | &info->hpdet_work, | |
1130 | msecs_to_jiffies(HPDET_DEBOUNCE)); | |
a3e2078d | 1131 | |
c2275d2f CC |
1132 | if (cancelled_mic) { |
1133 | int micd_timeout = info->micd_timeout; | |
1134 | ||
df9a5ab4 MB |
1135 | queue_delayed_work(system_power_efficient_wq, |
1136 | &info->micd_timeout_work, | |
c2275d2f CC |
1137 | msecs_to_jiffies(micd_timeout)); |
1138 | } | |
939c5671 | 1139 | |
a3e2078d MB |
1140 | goto out; |
1141 | } | |
1142 | info->last_jackdet = val; | |
1143 | ||
1144 | if (info->last_jackdet == present) { | |
f2c32a88 | 1145 | dev_dbg(arizona->dev, "Detected jack\n"); |
8670b459 | 1146 | ret = extcon_set_state_sync(info->edev, |
2a9de9c0 | 1147 | EXTCON_MECHANICAL, true); |
f2c32a88 MB |
1148 | |
1149 | if (ret != 0) | |
1150 | dev_err(arizona->dev, "Mechanical report failed: %d\n", | |
1151 | ret); | |
1152 | ||
dd235eea MB |
1153 | if (!arizona->pdata.hpdet_acc_id) { |
1154 | info->detecting = true; | |
1155 | info->mic = false; | |
1156 | info->jack_flips = 0; | |
1157 | ||
1158 | arizona_start_mic(info); | |
1159 | } else { | |
df9a5ab4 MB |
1160 | queue_delayed_work(system_power_efficient_wq, |
1161 | &info->hpdet_work, | |
1162 | msecs_to_jiffies(HPDET_DEBOUNCE)); | |
dd235eea | 1163 | } |
4e616877 | 1164 | |
6c20b934 CK |
1165 | if (info->micd_clamp || !arizona->pdata.jd_invert) |
1166 | regmap_update_bits(arizona->regmap, | |
1167 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1168 | ARIZONA_MICD_CLAMP_DB | | |
1169 | ARIZONA_JD1_DB, 0); | |
f2c32a88 MB |
1170 | } else { |
1171 | dev_dbg(arizona->dev, "Detected jack removal\n"); | |
1172 | ||
1173 | arizona_stop_mic(info); | |
1174 | ||
dd235eea MB |
1175 | info->num_hpdet_res = 0; |
1176 | for (i = 0; i < ARRAY_SIZE(info->hpdet_res); i++) | |
1177 | info->hpdet_res[i] = 0; | |
1178 | info->mic = false; | |
bf14ee5a | 1179 | info->hpdet_done = false; |
9dd5e53d | 1180 | info->hpdet_retried = false; |
92a49871 | 1181 | |
6fed4d86 | 1182 | for (i = 0; i < info->num_micd_ranges; i++) |
34efe4dc | 1183 | input_report_key(info->input, |
6fed4d86 | 1184 | info->micd_ranges[i].key, 0); |
34efe4dc MB |
1185 | input_sync(info->input); |
1186 | ||
5475e631 | 1187 | for (i = 0; i < ARRAY_SIZE(arizona_cable) - 1; i++) { |
8670b459 | 1188 | ret = extcon_set_state_sync(info->edev, |
5475e631 CC |
1189 | arizona_cable[i], false); |
1190 | if (ret != 0) | |
1191 | dev_err(arizona->dev, | |
1192 | "Removal report failed: %d\n", ret); | |
1193 | } | |
4e616877 | 1194 | |
e57bb43c CK |
1195 | /* |
1196 | * If the jack was removed during a headphone detection we | |
1197 | * need to wait for the headphone detection to finish, as | |
1198 | * it can not be aborted. We don't want to be able to start | |
1199 | * a new headphone detection from a fresh insert until this | |
1200 | * one is finished. | |
1201 | */ | |
1202 | arizona_hpdet_wait(info); | |
1203 | ||
4e616877 MB |
1204 | regmap_update_bits(arizona->regmap, |
1205 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1206 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, | |
1207 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB); | |
f2c32a88 MB |
1208 | } |
1209 | ||
7abd4e2a MB |
1210 | if (arizona->pdata.micd_timeout) |
1211 | info->micd_timeout = arizona->pdata.micd_timeout; | |
1212 | else | |
1213 | info->micd_timeout = DEFAULT_MICD_TIMEOUT; | |
1214 | ||
cb9005d7 | 1215 | out: |
5d9ab708 CK |
1216 | /* Clear trig_sts to make sure DCVDD is not forced up */ |
1217 | regmap_write(arizona->regmap, ARIZONA_AOD_WKUP_AND_TRIG, | |
1218 | ARIZONA_MICD_CLAMP_FALL_TRIG_STS | | |
1219 | ARIZONA_MICD_CLAMP_RISE_TRIG_STS | | |
1220 | ARIZONA_JD1_FALL_TRIG_STS | | |
1221 | ARIZONA_JD1_RISE_TRIG_STS); | |
1222 | ||
f2c32a88 MB |
1223 | mutex_unlock(&info->lock); |
1224 | ||
1225 | pm_runtime_mark_last_busy(info->dev); | |
1226 | pm_runtime_put_autosuspend(info->dev); | |
1227 | ||
1228 | return IRQ_HANDLED; | |
1229 | } | |
1230 | ||
6fed4d86 MB |
1231 | /* Map a level onto a slot in the register bank */ |
1232 | static void arizona_micd_set_level(struct arizona *arizona, int index, | |
1233 | unsigned int level) | |
1234 | { | |
1235 | int reg; | |
1236 | unsigned int mask; | |
1237 | ||
1238 | reg = ARIZONA_MIC_DETECT_LEVEL_4 - (index / 2); | |
1239 | ||
1240 | if (!(index % 2)) { | |
1241 | mask = 0x3f00; | |
1242 | level <<= 8; | |
1243 | } else { | |
1244 | mask = 0x3f; | |
1245 | } | |
1246 | ||
1247 | /* Program the level itself */ | |
1248 | regmap_update_bits(arizona->regmap, reg, mask, level); | |
1249 | } | |
1250 | ||
bb6da5d9 CK |
1251 | static int arizona_extcon_get_micd_configs(struct device *dev, |
1252 | struct arizona *arizona) | |
1253 | { | |
1254 | const char * const prop = "wlf,micd-configs"; | |
1255 | const int entries_per_config = 3; | |
1256 | struct arizona_micd_config *micd_configs; | |
1257 | int nconfs, ret; | |
1258 | int i, j; | |
1259 | u32 *vals; | |
1260 | ||
1261 | nconfs = device_property_read_u32_array(arizona->dev, prop, NULL, 0); | |
1262 | if (nconfs <= 0) | |
1263 | return 0; | |
1264 | ||
1265 | vals = kcalloc(nconfs, sizeof(u32), GFP_KERNEL); | |
1266 | if (!vals) | |
1267 | return -ENOMEM; | |
1268 | ||
1269 | ret = device_property_read_u32_array(arizona->dev, prop, vals, nconfs); | |
1270 | if (ret < 0) | |
1271 | goto out; | |
1272 | ||
1273 | nconfs /= entries_per_config; | |
cf5459a9 | 1274 | micd_configs = devm_kcalloc(dev, nconfs, sizeof(*micd_configs), |
bb6da5d9 CK |
1275 | GFP_KERNEL); |
1276 | if (!micd_configs) { | |
1277 | ret = -ENOMEM; | |
1278 | goto out; | |
1279 | } | |
1280 | ||
1281 | for (i = 0, j = 0; i < nconfs; ++i) { | |
1282 | micd_configs[i].src = vals[j++] ? ARIZONA_ACCDET_SRC : 0; | |
1283 | micd_configs[i].bias = vals[j++]; | |
1284 | micd_configs[i].gpio = vals[j++]; | |
1285 | } | |
1286 | ||
1287 | arizona->pdata.micd_configs = micd_configs; | |
1288 | arizona->pdata.num_micd_configs = nconfs; | |
1289 | ||
1290 | out: | |
1291 | kfree(vals); | |
1292 | return ret; | |
1293 | } | |
1294 | ||
1295 | static int arizona_extcon_device_get_pdata(struct device *dev, | |
1296 | struct arizona *arizona) | |
9e86b2ad IS |
1297 | { |
1298 | struct arizona_pdata *pdata = &arizona->pdata; | |
1299 | unsigned int val = ARIZONA_ACCDET_MODE_HPL; | |
bb6da5d9 | 1300 | int ret; |
9e86b2ad | 1301 | |
feffb0cc | 1302 | device_property_read_u32(arizona->dev, "wlf,hpdet-channel", &val); |
9e86b2ad IS |
1303 | switch (val) { |
1304 | case ARIZONA_ACCDET_MODE_HPL: | |
1305 | case ARIZONA_ACCDET_MODE_HPR: | |
1306 | pdata->hpdet_channel = val; | |
1307 | break; | |
1308 | default: | |
1309 | dev_err(arizona->dev, | |
1310 | "Wrong wlf,hpdet-channel DT value %d\n", val); | |
1311 | pdata->hpdet_channel = ARIZONA_ACCDET_MODE_HPL; | |
1312 | } | |
1313 | ||
4778d44f CK |
1314 | device_property_read_u32(arizona->dev, "wlf,micd-detect-debounce", |
1315 | &pdata->micd_detect_debounce); | |
1316 | ||
1317 | device_property_read_u32(arizona->dev, "wlf,micd-bias-start-time", | |
1318 | &pdata->micd_bias_start_time); | |
1319 | ||
1320 | device_property_read_u32(arizona->dev, "wlf,micd-rate", | |
1321 | &pdata->micd_rate); | |
1322 | ||
1323 | device_property_read_u32(arizona->dev, "wlf,micd-dbtime", | |
1324 | &pdata->micd_dbtime); | |
1325 | ||
7a7ef0f2 | 1326 | device_property_read_u32(arizona->dev, "wlf,micd-timeout-ms", |
4778d44f CK |
1327 | &pdata->micd_timeout); |
1328 | ||
1329 | pdata->micd_force_micbias = device_property_read_bool(arizona->dev, | |
1330 | "wlf,micd-force-micbias"); | |
1331 | ||
2e87b7a8 CK |
1332 | pdata->micd_software_compare = device_property_read_bool(arizona->dev, |
1333 | "wlf,micd-software-compare"); | |
1334 | ||
3d7a872f CK |
1335 | pdata->jd_invert = device_property_read_bool(arizona->dev, |
1336 | "wlf,jd-invert"); | |
1337 | ||
99374227 CK |
1338 | device_property_read_u32(arizona->dev, "wlf,gpsw", &pdata->gpsw); |
1339 | ||
35247c13 | 1340 | pdata->jd_gpio5 = device_property_read_bool(arizona->dev, |
832df9e8 | 1341 | "wlf,use-jd2"); |
35247c13 | 1342 | pdata->jd_gpio5_nopull = device_property_read_bool(arizona->dev, |
832df9e8 | 1343 | "wlf,use-jd2-nopull"); |
35247c13 | 1344 | |
bb6da5d9 CK |
1345 | ret = arizona_extcon_get_micd_configs(dev, arizona); |
1346 | if (ret < 0) | |
1347 | dev_err(arizona->dev, "Failed to read micd configs: %d\n", ret); | |
1348 | ||
9e86b2ad IS |
1349 | return 0; |
1350 | } | |
1351 | ||
44f34fd4 | 1352 | static int arizona_extcon_probe(struct platform_device *pdev) |
f2c32a88 MB |
1353 | { |
1354 | struct arizona *arizona = dev_get_drvdata(pdev->dev.parent); | |
6ac6b475 | 1355 | struct arizona_pdata *pdata = &arizona->pdata; |
f2c32a88 | 1356 | struct arizona_extcon_info *info; |
e56a0a57 | 1357 | unsigned int val; |
a288d648 | 1358 | unsigned int clamp_mode; |
92a49871 | 1359 | int jack_irq_fall, jack_irq_rise; |
6fed4d86 | 1360 | int ret, mode, i, j; |
f2c32a88 | 1361 | |
bbbd46e3 MB |
1362 | if (!arizona->dapm || !arizona->dapm->card) |
1363 | return -EPROBE_DEFER; | |
1364 | ||
f2c32a88 | 1365 | info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); |
0a16ee63 | 1366 | if (!info) |
d88cc367 | 1367 | return -ENOMEM; |
f2c32a88 | 1368 | |
feffb0cc | 1369 | if (!dev_get_platdata(arizona->dev)) |
bb6da5d9 | 1370 | arizona_extcon_device_get_pdata(&pdev->dev, arizona); |
9e86b2ad | 1371 | |
17271f60 | 1372 | info->micvdd = devm_regulator_get(&pdev->dev, "MICVDD"); |
f2c32a88 MB |
1373 | if (IS_ERR(info->micvdd)) { |
1374 | ret = PTR_ERR(info->micvdd); | |
1375 | dev_err(arizona->dev, "Failed to get MICVDD: %d\n", ret); | |
d88cc367 | 1376 | return ret; |
f2c32a88 MB |
1377 | } |
1378 | ||
1379 | mutex_init(&info->lock); | |
1380 | info->arizona = arizona; | |
1381 | info->dev = &pdev->dev; | |
a3e2078d | 1382 | info->last_jackdet = ~(ARIZONA_MICD_CLAMP_STS | ARIZONA_JD1_STS); |
0e27bd31 | 1383 | INIT_DELAYED_WORK(&info->hpdet_work, arizona_hpdet_work); |
cd59e796 | 1384 | INIT_DELAYED_WORK(&info->micd_detect_work, arizona_micd_detect); |
939c5671 | 1385 | INIT_DELAYED_WORK(&info->micd_timeout_work, arizona_micd_timeout_work); |
f2c32a88 MB |
1386 | platform_set_drvdata(pdev, info); |
1387 | ||
1388 | switch (arizona->type) { | |
1389 | case WM5102: | |
1390 | switch (arizona->rev) { | |
1391 | case 0: | |
1392 | info->micd_reva = true; | |
1393 | break; | |
1394 | default: | |
dab63eb2 | 1395 | info->micd_clamp = true; |
d0fd5fbc | 1396 | info->hpdet_ip_version = 1; |
f2c32a88 MB |
1397 | break; |
1398 | } | |
1399 | break; | |
77438610 | 1400 | case WM5110: |
2f2b6aa8 | 1401 | case WM8280: |
77438610 CK |
1402 | switch (arizona->rev) { |
1403 | case 0 ... 2: | |
1404 | break; | |
1405 | default: | |
1406 | info->micd_clamp = true; | |
d0fd5fbc | 1407 | info->hpdet_ip_version = 2; |
77438610 CK |
1408 | break; |
1409 | } | |
1410 | break; | |
d8d09564 RF |
1411 | case WM8998: |
1412 | case WM1814: | |
1413 | info->micd_clamp = true; | |
1414 | info->hpdet_ip_version = 2; | |
1415 | break; | |
f2c32a88 MB |
1416 | default: |
1417 | break; | |
1418 | } | |
1419 | ||
ef70a214 CC |
1420 | info->edev = devm_extcon_dev_allocate(&pdev->dev, arizona_cable); |
1421 | if (IS_ERR(info->edev)) { | |
1422 | dev_err(&pdev->dev, "failed to allocate extcon device\n"); | |
1423 | return -ENOMEM; | |
1424 | } | |
f2c32a88 | 1425 | |
ef70a214 | 1426 | ret = devm_extcon_dev_register(&pdev->dev, info->edev); |
f2c32a88 | 1427 | if (ret < 0) { |
8e5f5018 | 1428 | dev_err(arizona->dev, "extcon_dev_register() failed: %d\n", |
f2c32a88 | 1429 | ret); |
d88cc367 | 1430 | return ret; |
f2c32a88 MB |
1431 | } |
1432 | ||
6fed4d86 MB |
1433 | info->input = devm_input_allocate_device(&pdev->dev); |
1434 | if (!info->input) { | |
1435 | dev_err(arizona->dev, "Can't allocate input dev\n"); | |
1436 | ret = -ENOMEM; | |
1437 | goto err_register; | |
1438 | } | |
1439 | ||
1440 | info->input->name = "Headset"; | |
1441 | info->input->phys = "arizona/extcon"; | |
6fed4d86 | 1442 | |
f2c32a88 MB |
1443 | if (pdata->num_micd_configs) { |
1444 | info->micd_modes = pdata->micd_configs; | |
1445 | info->micd_num_modes = pdata->num_micd_configs; | |
1446 | } else { | |
1447 | info->micd_modes = micd_default_modes; | |
1448 | info->micd_num_modes = ARRAY_SIZE(micd_default_modes); | |
1449 | } | |
1450 | ||
6772a5ab CK |
1451 | if (arizona->pdata.gpsw > 0) |
1452 | regmap_update_bits(arizona->regmap, ARIZONA_GP_SWITCH_1, | |
1453 | ARIZONA_SW1_MODE_MASK, arizona->pdata.gpsw); | |
1454 | ||
6c467a10 | 1455 | if (pdata->micd_pol_gpio > 0) { |
f2c32a88 MB |
1456 | if (info->micd_modes[0].gpio) |
1457 | mode = GPIOF_OUT_INIT_HIGH; | |
1458 | else | |
1459 | mode = GPIOF_OUT_INIT_LOW; | |
1460 | ||
6c467a10 CK |
1461 | ret = devm_gpio_request_one(&pdev->dev, pdata->micd_pol_gpio, |
1462 | mode, "MICD polarity"); | |
f2c32a88 MB |
1463 | if (ret != 0) { |
1464 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", | |
6c467a10 | 1465 | pdata->micd_pol_gpio, ret); |
f2c32a88 MB |
1466 | goto err_register; |
1467 | } | |
6c467a10 CK |
1468 | |
1469 | info->micd_pol_gpio = gpio_to_desc(pdata->micd_pol_gpio); | |
8e5838dd CK |
1470 | } else { |
1471 | if (info->micd_modes[0].gpio) | |
1472 | mode = GPIOD_OUT_HIGH; | |
1473 | else | |
1474 | mode = GPIOD_OUT_LOW; | |
1475 | ||
1476 | /* We can't use devm here because we need to do the get | |
1477 | * against the MFD device, as that is where the of_node | |
1478 | * will reside, but if we devm against that the GPIO | |
1479 | * will not be freed if the extcon driver is unloaded. | |
1480 | */ | |
1481 | info->micd_pol_gpio = gpiod_get_optional(arizona->dev, | |
1482 | "wlf,micd-pol", | |
1483 | GPIOD_OUT_LOW); | |
1484 | if (IS_ERR(info->micd_pol_gpio)) { | |
1485 | ret = PTR_ERR(info->micd_pol_gpio); | |
1486 | dev_err(arizona->dev, | |
1487 | "Failed to get microphone polarity GPIO: %d\n", | |
1488 | ret); | |
1489 | goto err_register; | |
1490 | } | |
f2c32a88 MB |
1491 | } |
1492 | ||
1eda6aa7 MB |
1493 | if (arizona->pdata.hpdet_id_gpio > 0) { |
1494 | ret = devm_gpio_request_one(&pdev->dev, | |
1495 | arizona->pdata.hpdet_id_gpio, | |
1496 | GPIOF_OUT_INIT_LOW, | |
1497 | "HPDET"); | |
1498 | if (ret != 0) { | |
1499 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", | |
1500 | arizona->pdata.hpdet_id_gpio, ret); | |
8e5838dd | 1501 | goto err_gpio; |
1eda6aa7 MB |
1502 | } |
1503 | } | |
1504 | ||
b17e5462 MB |
1505 | if (arizona->pdata.micd_bias_start_time) |
1506 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1507 | ARIZONA_MICD_BIAS_STARTTIME_MASK, | |
1508 | arizona->pdata.micd_bias_start_time | |
1509 | << ARIZONA_MICD_BIAS_STARTTIME_SHIFT); | |
1510 | ||
2e033db5 MB |
1511 | if (arizona->pdata.micd_rate) |
1512 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1513 | ARIZONA_MICD_RATE_MASK, | |
1514 | arizona->pdata.micd_rate | |
1515 | << ARIZONA_MICD_RATE_SHIFT); | |
1516 | ||
bb327e92 CK |
1517 | switch (arizona->pdata.micd_dbtime) { |
1518 | case MICD_DBTIME_FOUR_READINGS: | |
2e033db5 MB |
1519 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
1520 | ARIZONA_MICD_DBTIME_MASK, | |
bb327e92 CK |
1521 | ARIZONA_MICD_DBTIME); |
1522 | break; | |
1523 | case MICD_DBTIME_TWO_READINGS: | |
1524 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1525 | ARIZONA_MICD_DBTIME_MASK, 0); | |
1526 | break; | |
1527 | default: | |
1528 | break; | |
1529 | } | |
2e033db5 | 1530 | |
df8b6771 CK |
1531 | BUILD_BUG_ON(ARRAY_SIZE(arizona_micd_levels) < |
1532 | ARIZONA_NUM_MICD_BUTTON_LEVELS); | |
6fed4d86 MB |
1533 | |
1534 | if (arizona->pdata.num_micd_ranges) { | |
1535 | info->micd_ranges = pdata->micd_ranges; | |
1536 | info->num_micd_ranges = pdata->num_micd_ranges; | |
1537 | } else { | |
1538 | info->micd_ranges = micd_default_ranges; | |
1539 | info->num_micd_ranges = ARRAY_SIZE(micd_default_ranges); | |
1540 | } | |
1541 | ||
1542 | if (arizona->pdata.num_micd_ranges > ARIZONA_MAX_MICD_RANGE) { | |
1543 | dev_err(arizona->dev, "Too many MICD ranges: %d\n", | |
1544 | arizona->pdata.num_micd_ranges); | |
1545 | } | |
1546 | ||
1547 | if (info->num_micd_ranges > 1) { | |
1548 | for (i = 1; i < info->num_micd_ranges; i++) { | |
1549 | if (info->micd_ranges[i - 1].max > | |
1550 | info->micd_ranges[i].max) { | |
1551 | dev_err(arizona->dev, | |
1552 | "MICD ranges must be sorted\n"); | |
1553 | ret = -EINVAL; | |
8e5838dd | 1554 | goto err_gpio; |
6fed4d86 MB |
1555 | } |
1556 | } | |
1557 | } | |
1558 | ||
1559 | /* Disable all buttons by default */ | |
1560 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2, | |
1561 | ARIZONA_MICD_LVL_SEL_MASK, 0x81); | |
1562 | ||
1563 | /* Set up all the buttons the user specified */ | |
1564 | for (i = 0; i < info->num_micd_ranges; i++) { | |
df8b6771 | 1565 | for (j = 0; j < ARIZONA_NUM_MICD_BUTTON_LEVELS; j++) |
6fed4d86 MB |
1566 | if (arizona_micd_levels[j] >= info->micd_ranges[i].max) |
1567 | break; | |
1568 | ||
df8b6771 | 1569 | if (j == ARIZONA_NUM_MICD_BUTTON_LEVELS) { |
6fed4d86 MB |
1570 | dev_err(arizona->dev, "Unsupported MICD level %d\n", |
1571 | info->micd_ranges[i].max); | |
1572 | ret = -EINVAL; | |
8e5838dd | 1573 | goto err_gpio; |
6fed4d86 MB |
1574 | } |
1575 | ||
1576 | dev_dbg(arizona->dev, "%d ohms for MICD threshold %d\n", | |
1577 | arizona_micd_levels[j], i); | |
1578 | ||
1579 | arizona_micd_set_level(arizona, i, j); | |
1580 | input_set_capability(info->input, EV_KEY, | |
1581 | info->micd_ranges[i].key); | |
1582 | ||
1583 | /* Enable reporting of that range */ | |
1584 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2, | |
1585 | 1 << i, 1 << i); | |
1586 | } | |
1587 | ||
1588 | /* Set all the remaining keys to a maximum */ | |
1589 | for (; i < ARIZONA_MAX_MICD_RANGE; i++) | |
1590 | arizona_micd_set_level(arizona, i, 0x3f); | |
1591 | ||
dab63eb2 | 1592 | /* |
92a49871 MB |
1593 | * If we have a clamp use it, activating in conjunction with |
1594 | * GPIO5 if that is connected for jack detect operation. | |
dab63eb2 MB |
1595 | */ |
1596 | if (info->micd_clamp) { | |
92a49871 | 1597 | if (arizona->pdata.jd_gpio5) { |
e56a0a57 MB |
1598 | /* Put the GPIO into input mode with optional pull */ |
1599 | val = 0xc101; | |
1600 | if (arizona->pdata.jd_gpio5_nopull) | |
1601 | val &= ~ARIZONA_GPN_PU; | |
1602 | ||
92a49871 | 1603 | regmap_write(arizona->regmap, ARIZONA_GPIO5_CTRL, |
e56a0a57 | 1604 | val); |
92a49871 | 1605 | |
a288d648 RF |
1606 | if (arizona->pdata.jd_invert) |
1607 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH_GP5H; | |
1608 | else | |
1609 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL_GP5H; | |
92a49871 | 1610 | } else { |
a288d648 RF |
1611 | if (arizona->pdata.jd_invert) |
1612 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH; | |
1613 | else | |
1614 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL; | |
92a49871 MB |
1615 | } |
1616 | ||
a288d648 RF |
1617 | regmap_update_bits(arizona->regmap, |
1618 | ARIZONA_MICD_CLAMP_CONTROL, | |
1619 | ARIZONA_MICD_CLAMP_MODE_MASK, clamp_mode); | |
1620 | ||
dab63eb2 MB |
1621 | regmap_update_bits(arizona->regmap, |
1622 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1623 | ARIZONA_MICD_CLAMP_DB, | |
1624 | ARIZONA_MICD_CLAMP_DB); | |
1625 | } | |
1626 | ||
f2c32a88 MB |
1627 | arizona_extcon_set_mode(info, 0); |
1628 | ||
1629 | pm_runtime_enable(&pdev->dev); | |
1630 | pm_runtime_idle(&pdev->dev); | |
1631 | pm_runtime_get_sync(&pdev->dev); | |
1632 | ||
ff1cb0ed | 1633 | if (info->micd_clamp) { |
92a49871 MB |
1634 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; |
1635 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; | |
1636 | } else { | |
1637 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; | |
1638 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; | |
1639 | } | |
1640 | ||
1641 | ret = arizona_request_irq(arizona, jack_irq_rise, | |
f2c32a88 MB |
1642 | "JACKDET rise", arizona_jackdet, info); |
1643 | if (ret != 0) { | |
1644 | dev_err(&pdev->dev, "Failed to get JACKDET rise IRQ: %d\n", | |
1645 | ret); | |
8e5838dd | 1646 | goto err_gpio; |
f2c32a88 MB |
1647 | } |
1648 | ||
92a49871 | 1649 | ret = arizona_set_irq_wake(arizona, jack_irq_rise, 1); |
f2c32a88 MB |
1650 | if (ret != 0) { |
1651 | dev_err(&pdev->dev, "Failed to set JD rise IRQ wake: %d\n", | |
1652 | ret); | |
1653 | goto err_rise; | |
1654 | } | |
1655 | ||
92a49871 | 1656 | ret = arizona_request_irq(arizona, jack_irq_fall, |
f2c32a88 MB |
1657 | "JACKDET fall", arizona_jackdet, info); |
1658 | if (ret != 0) { | |
1659 | dev_err(&pdev->dev, "Failed to get JD fall IRQ: %d\n", ret); | |
1660 | goto err_rise_wake; | |
1661 | } | |
1662 | ||
92a49871 | 1663 | ret = arizona_set_irq_wake(arizona, jack_irq_fall, 1); |
f2c32a88 MB |
1664 | if (ret != 0) { |
1665 | dev_err(&pdev->dev, "Failed to set JD fall IRQ wake: %d\n", | |
1666 | ret); | |
1667 | goto err_fall; | |
1668 | } | |
1669 | ||
1670 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_MICDET, | |
1671 | "MICDET", arizona_micdet, info); | |
1672 | if (ret != 0) { | |
1673 | dev_err(&pdev->dev, "Failed to get MICDET IRQ: %d\n", ret); | |
1674 | goto err_fall_wake; | |
1675 | } | |
1676 | ||
4f340333 MB |
1677 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_HPDET, |
1678 | "HPDET", arizona_hpdet_irq, info); | |
1679 | if (ret != 0) { | |
1680 | dev_err(&pdev->dev, "Failed to get HPDET IRQ: %d\n", ret); | |
1681 | goto err_micdet; | |
1682 | } | |
1683 | ||
f2c32a88 MB |
1684 | arizona_clk32k_enable(arizona); |
1685 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE, | |
1686 | ARIZONA_JD1_DB, ARIZONA_JD1_DB); | |
1687 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, | |
1688 | ARIZONA_JD1_ENA, ARIZONA_JD1_ENA); | |
1689 | ||
b8575a11 MB |
1690 | ret = regulator_allow_bypass(info->micvdd, true); |
1691 | if (ret != 0) | |
1692 | dev_warn(arizona->dev, "Failed to set MICVDD to bypass: %d\n", | |
1693 | ret); | |
1694 | ||
f2c32a88 MB |
1695 | pm_runtime_put(&pdev->dev); |
1696 | ||
34efe4dc MB |
1697 | ret = input_register_device(info->input); |
1698 | if (ret) { | |
1699 | dev_err(&pdev->dev, "Can't register input device: %d\n", ret); | |
4f340333 | 1700 | goto err_hpdet; |
34efe4dc MB |
1701 | } |
1702 | ||
f2c32a88 MB |
1703 | return 0; |
1704 | ||
4f340333 MB |
1705 | err_hpdet: |
1706 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); | |
80732cc1 MB |
1707 | err_micdet: |
1708 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); | |
f2c32a88 | 1709 | err_fall_wake: |
92a49871 | 1710 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); |
f2c32a88 | 1711 | err_fall: |
92a49871 | 1712 | arizona_free_irq(arizona, jack_irq_fall, info); |
f2c32a88 | 1713 | err_rise_wake: |
92a49871 | 1714 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); |
f2c32a88 | 1715 | err_rise: |
92a49871 | 1716 | arizona_free_irq(arizona, jack_irq_rise, info); |
8e5838dd CK |
1717 | err_gpio: |
1718 | gpiod_put(info->micd_pol_gpio); | |
f2c32a88 MB |
1719 | err_register: |
1720 | pm_runtime_disable(&pdev->dev); | |
f2c32a88 MB |
1721 | return ret; |
1722 | } | |
1723 | ||
93ed0327 | 1724 | static int arizona_extcon_remove(struct platform_device *pdev) |
f2c32a88 MB |
1725 | { |
1726 | struct arizona_extcon_info *info = platform_get_drvdata(pdev); | |
1727 | struct arizona *arizona = info->arizona; | |
92a49871 | 1728 | int jack_irq_rise, jack_irq_fall; |
00053de5 CK |
1729 | bool change; |
1730 | ||
1731 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1732 | ARIZONA_MICD_ENA, 0, | |
1733 | &change); | |
1734 | ||
1735 | if (change) { | |
1736 | regulator_disable(info->micvdd); | |
1737 | pm_runtime_put(info->dev); | |
1738 | } | |
f2c32a88 | 1739 | |
8e5838dd CK |
1740 | gpiod_put(info->micd_pol_gpio); |
1741 | ||
f2c32a88 MB |
1742 | pm_runtime_disable(&pdev->dev); |
1743 | ||
dab63eb2 MB |
1744 | regmap_update_bits(arizona->regmap, |
1745 | ARIZONA_MICD_CLAMP_CONTROL, | |
1746 | ARIZONA_MICD_CLAMP_MODE_MASK, 0); | |
1747 | ||
ff1cb0ed | 1748 | if (info->micd_clamp) { |
92a49871 MB |
1749 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; |
1750 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; | |
1751 | } else { | |
1752 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; | |
1753 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; | |
1754 | } | |
1755 | ||
1756 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); | |
1757 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); | |
1758 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); | |
f2c32a88 | 1759 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); |
92a49871 MB |
1760 | arizona_free_irq(arizona, jack_irq_rise, info); |
1761 | arizona_free_irq(arizona, jack_irq_fall, info); | |
0e27bd31 | 1762 | cancel_delayed_work_sync(&info->hpdet_work); |
f2c32a88 MB |
1763 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, |
1764 | ARIZONA_JD1_ENA, 0); | |
1765 | arizona_clk32k_disable(arizona); | |
f2c32a88 MB |
1766 | |
1767 | return 0; | |
1768 | } | |
1769 | ||
1770 | static struct platform_driver arizona_extcon_driver = { | |
1771 | .driver = { | |
1772 | .name = "arizona-extcon", | |
f2c32a88 MB |
1773 | }, |
1774 | .probe = arizona_extcon_probe, | |
5f7e2228 | 1775 | .remove = arizona_extcon_remove, |
f2c32a88 MB |
1776 | }; |
1777 | ||
1778 | module_platform_driver(arizona_extcon_driver); | |
1779 | ||
1780 | MODULE_DESCRIPTION("Arizona Extcon driver"); | |
1781 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
1782 | MODULE_LICENSE("GPL"); | |
1783 | MODULE_ALIAS("platform:extcon-arizona"); |