Commit | Line | Data |
---|---|---|
c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
f2c32a88 MB |
2 | /* |
3 | * extcon-arizona.c - Extcon driver Wolfson Arizona devices | |
4 | * | |
d8d09564 | 5 | * Copyright (C) 2012-2014 Wolfson Microelectronics plc |
f2c32a88 MB |
6 | */ |
7 | ||
8 | #include <linux/kernel.h> | |
9 | #include <linux/module.h> | |
10 | #include <linux/i2c.h> | |
11 | #include <linux/slab.h> | |
12 | #include <linux/interrupt.h> | |
13 | #include <linux/err.h> | |
8e5838dd | 14 | #include <linux/gpio/consumer.h> |
f2c32a88 | 15 | #include <linux/gpio.h> |
34efe4dc | 16 | #include <linux/input.h> |
f2c32a88 MB |
17 | #include <linux/platform_device.h> |
18 | #include <linux/pm_runtime.h> | |
feffb0cc | 19 | #include <linux/property.h> |
f2c32a88 | 20 | #include <linux/regulator/consumer.h> |
176aa360 | 21 | #include <linux/extcon-provider.h> |
f2c32a88 | 22 | |
bbbd46e3 MB |
23 | #include <sound/soc.h> |
24 | ||
f2c32a88 MB |
25 | #include <linux/mfd/arizona/core.h> |
26 | #include <linux/mfd/arizona/pdata.h> | |
27 | #include <linux/mfd/arizona/registers.h> | |
9e86b2ad | 28 | #include <dt-bindings/mfd/arizona.h> |
f2c32a88 | 29 | |
6fed4d86 | 30 | #define ARIZONA_MAX_MICD_RANGE 8 |
34efe4dc | 31 | |
a288d648 RF |
32 | #define ARIZONA_MICD_CLAMP_MODE_JDL 0x4 |
33 | #define ARIZONA_MICD_CLAMP_MODE_JDH 0x5 | |
34 | #define ARIZONA_MICD_CLAMP_MODE_JDL_GP5H 0x9 | |
35 | #define ARIZONA_MICD_CLAMP_MODE_JDH_GP5H 0xb | |
36 | ||
f719ae33 CK |
37 | #define ARIZONA_TST_CAP_DEFAULT 0x3 |
38 | #define ARIZONA_TST_CAP_CLAMP 0x1 | |
39 | ||
9dd5e53d MB |
40 | #define ARIZONA_HPDET_MAX 10000 |
41 | ||
2643fd64 | 42 | #define HPDET_DEBOUNCE 500 |
7abd4e2a | 43 | #define DEFAULT_MICD_TIMEOUT 2000 |
a3e2078d | 44 | |
e57bb43c CK |
45 | #define ARIZONA_HPDET_WAIT_COUNT 15 |
46 | #define ARIZONA_HPDET_WAIT_DELAY_MS 20 | |
47 | ||
df8b6771 CK |
48 | #define QUICK_HEADPHONE_MAX_OHM 3 |
49 | #define MICROPHONE_MIN_OHM 1257 | |
50 | #define MICROPHONE_MAX_OHM 30000 | |
51 | ||
bb327e92 CK |
52 | #define MICD_DBTIME_TWO_READINGS 2 |
53 | #define MICD_DBTIME_FOUR_READINGS 4 | |
54 | ||
ffae24fe CK |
55 | #define MICD_LVL_1_TO_7 (ARIZONA_MICD_LVL_1 | ARIZONA_MICD_LVL_2 | \ |
56 | ARIZONA_MICD_LVL_3 | ARIZONA_MICD_LVL_4 | \ | |
57 | ARIZONA_MICD_LVL_5 | ARIZONA_MICD_LVL_6 | \ | |
58 | ARIZONA_MICD_LVL_7) | |
59 | ||
60 | #define MICD_LVL_0_TO_7 (ARIZONA_MICD_LVL_0 | MICD_LVL_1_TO_7) | |
61 | ||
62 | #define MICD_LVL_0_TO_8 (MICD_LVL_0_TO_7 | ARIZONA_MICD_LVL_8) | |
63 | ||
f2c32a88 MB |
64 | struct arizona_extcon_info { |
65 | struct device *dev; | |
66 | struct arizona *arizona; | |
67 | struct mutex lock; | |
68 | struct regulator *micvdd; | |
34efe4dc | 69 | struct input_dev *input; |
f2c32a88 | 70 | |
a3e2078d MB |
71 | u16 last_jackdet; |
72 | ||
f2c32a88 MB |
73 | int micd_mode; |
74 | const struct arizona_micd_config *micd_modes; | |
75 | int micd_num_modes; | |
76 | ||
6fed4d86 MB |
77 | const struct arizona_micd_range *micd_ranges; |
78 | int num_micd_ranges; | |
79 | ||
7abd4e2a MB |
80 | int micd_timeout; |
81 | ||
f2c32a88 | 82 | bool micd_reva; |
dab63eb2 | 83 | bool micd_clamp; |
f2c32a88 | 84 | |
0e27bd31 | 85 | struct delayed_work hpdet_work; |
cd59e796 | 86 | struct delayed_work micd_detect_work; |
939c5671 | 87 | struct delayed_work micd_timeout_work; |
0e27bd31 | 88 | |
4f340333 | 89 | bool hpdet_active; |
bf14ee5a | 90 | bool hpdet_done; |
9dd5e53d | 91 | bool hpdet_retried; |
4f340333 | 92 | |
dd235eea | 93 | int num_hpdet_res; |
1eda6aa7 | 94 | unsigned int hpdet_res[3]; |
dd235eea | 95 | |
f2c32a88 MB |
96 | bool mic; |
97 | bool detecting; | |
98 | int jack_flips; | |
99 | ||
d0fd5fbc | 100 | int hpdet_ip_version; |
4f340333 | 101 | |
ef70a214 | 102 | struct extcon_dev *edev; |
8e5838dd CK |
103 | |
104 | struct gpio_desc *micd_pol_gpio; | |
f2c32a88 MB |
105 | }; |
106 | ||
107 | static const struct arizona_micd_config micd_default_modes[] = { | |
41024243 CK |
108 | { ARIZONA_ACCDET_SRC, 1, 0 }, |
109 | { 0, 2, 1 }, | |
f2c32a88 MB |
110 | }; |
111 | ||
6fed4d86 MB |
112 | static const struct arizona_micd_range micd_default_ranges[] = { |
113 | { .max = 11, .key = BTN_0 }, | |
114 | { .max = 28, .key = BTN_1 }, | |
115 | { .max = 54, .key = BTN_2 }, | |
116 | { .max = 100, .key = BTN_3 }, | |
117 | { .max = 186, .key = BTN_4 }, | |
118 | { .max = 430, .key = BTN_5 }, | |
119 | }; | |
120 | ||
df8b6771 CK |
121 | /* The number of levels in arizona_micd_levels valid for button thresholds */ |
122 | #define ARIZONA_NUM_MICD_BUTTON_LEVELS 64 | |
123 | ||
6fed4d86 MB |
124 | static const int arizona_micd_levels[] = { |
125 | 3, 6, 8, 11, 13, 16, 18, 21, 23, 26, 28, 31, 34, 36, 39, 41, 44, 46, | |
126 | 49, 52, 54, 57, 60, 62, 65, 67, 70, 73, 75, 78, 81, 83, 89, 94, 100, | |
127 | 105, 111, 116, 122, 127, 139, 150, 161, 173, 186, 196, 209, 220, 245, | |
128 | 270, 295, 321, 348, 375, 402, 430, 489, 550, 614, 681, 752, 903, 1071, | |
df8b6771 | 129 | 1257, 30000, |
34efe4dc MB |
130 | }; |
131 | ||
73b6ecdb | 132 | static const unsigned int arizona_cable[] = { |
2a9de9c0 | 133 | EXTCON_MECHANICAL, |
11eecf91 CC |
134 | EXTCON_JACK_MICROPHONE, |
135 | EXTCON_JACK_HEADPHONE, | |
136 | EXTCON_JACK_LINE_OUT, | |
2a9de9c0 | 137 | EXTCON_NONE, |
f2c32a88 MB |
138 | }; |
139 | ||
9dd5e53d MB |
140 | static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info); |
141 | ||
112bdfaa CK |
142 | static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info, |
143 | bool clamp) | |
03409071 MB |
144 | { |
145 | struct arizona *arizona = info->arizona; | |
43f0acd9 | 146 | unsigned int mask = 0, val = 0; |
f719ae33 | 147 | unsigned int cap_sel = 0; |
03409071 MB |
148 | int ret; |
149 | ||
43f0acd9 | 150 | switch (arizona->type) { |
d8d09564 RF |
151 | case WM8998: |
152 | case WM1814: | |
153 | mask = 0; | |
154 | break; | |
43f0acd9 | 155 | case WM5110: |
2b51f9c2 | 156 | case WM8280: |
43f0acd9 CK |
157 | mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR | |
158 | ARIZONA_HP1L_SHRTI; | |
f719ae33 | 159 | if (clamp) { |
43f0acd9 | 160 | val = ARIZONA_HP1L_SHRTO; |
f719ae33 CK |
161 | cap_sel = ARIZONA_TST_CAP_CLAMP; |
162 | } else { | |
43f0acd9 | 163 | val = ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI; |
f719ae33 CK |
164 | cap_sel = ARIZONA_TST_CAP_DEFAULT; |
165 | } | |
166 | ||
167 | ret = regmap_update_bits(arizona->regmap, | |
168 | ARIZONA_HP_TEST_CTRL_1, | |
169 | ARIZONA_HP1_TST_CAP_SEL_MASK, | |
170 | cap_sel); | |
171 | if (ret != 0) | |
172 | dev_warn(arizona->dev, | |
173 | "Failed to set TST_CAP_SEL: %d\n", ret); | |
43f0acd9 CK |
174 | break; |
175 | default: | |
176 | mask = ARIZONA_RMV_SHRT_HP1L; | |
177 | if (clamp) | |
178 | val = ARIZONA_RMV_SHRT_HP1L; | |
179 | break; | |
c19dc203 | 180 | } |
112bdfaa | 181 | |
03bf1adb | 182 | snd_soc_dapm_mutex_lock(arizona->dapm); |
03409071 | 183 | |
112bdfaa | 184 | arizona->hpdet_clamp = clamp; |
03409071 | 185 | |
112bdfaa CK |
186 | /* Keep the HP output stages disabled while doing the clamp */ |
187 | if (clamp) { | |
df8c3dbe MB |
188 | ret = regmap_update_bits(arizona->regmap, |
189 | ARIZONA_OUTPUT_ENABLES_1, | |
190 | ARIZONA_OUT1L_ENA | | |
191 | ARIZONA_OUT1R_ENA, 0); | |
03409071 | 192 | if (ret != 0) |
df8c3dbe MB |
193 | dev_warn(arizona->dev, |
194 | "Failed to disable headphone outputs: %d\n", | |
195 | ret); | |
196 | } | |
197 | ||
d8d09564 RF |
198 | if (mask) { |
199 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1L, | |
200 | mask, val); | |
201 | if (ret != 0) | |
202 | dev_warn(arizona->dev, "Failed to do clamp: %d\n", | |
03409071 MB |
203 | ret); |
204 | ||
d8d09564 RF |
205 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1R, |
206 | mask, val); | |
207 | if (ret != 0) | |
208 | dev_warn(arizona->dev, "Failed to do clamp: %d\n", | |
209 | ret); | |
210 | } | |
df8c3dbe | 211 | |
112bdfaa CK |
212 | /* Restore the desired state while not doing the clamp */ |
213 | if (!clamp) { | |
df8c3dbe MB |
214 | ret = regmap_update_bits(arizona->regmap, |
215 | ARIZONA_OUTPUT_ENABLES_1, | |
216 | ARIZONA_OUT1L_ENA | | |
217 | ARIZONA_OUT1R_ENA, arizona->hp_ena); | |
03409071 | 218 | if (ret != 0) |
df8c3dbe MB |
219 | dev_warn(arizona->dev, |
220 | "Failed to restore headphone outputs: %d\n", | |
03409071 MB |
221 | ret); |
222 | } | |
223 | ||
03bf1adb | 224 | snd_soc_dapm_mutex_unlock(arizona->dapm); |
03409071 MB |
225 | } |
226 | ||
f2c32a88 MB |
227 | static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode) |
228 | { | |
229 | struct arizona *arizona = info->arizona; | |
230 | ||
6fed4d86 | 231 | mode %= info->micd_num_modes; |
84eaa136 | 232 | |
6c467a10 CK |
233 | gpiod_set_value_cansleep(info->micd_pol_gpio, |
234 | info->micd_modes[mode].gpio); | |
8e5838dd | 235 | |
f2c32a88 MB |
236 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
237 | ARIZONA_MICD_BIAS_SRC_MASK, | |
41024243 CK |
238 | info->micd_modes[mode].bias << |
239 | ARIZONA_MICD_BIAS_SRC_SHIFT); | |
f2c32a88 MB |
240 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, |
241 | ARIZONA_ACCDET_SRC, info->micd_modes[mode].src); | |
242 | ||
243 | info->micd_mode = mode; | |
244 | ||
245 | dev_dbg(arizona->dev, "Set jack polarity to %d\n", mode); | |
246 | } | |
247 | ||
bbbd46e3 MB |
248 | static const char *arizona_extcon_get_micbias(struct arizona_extcon_info *info) |
249 | { | |
41024243 | 250 | switch (info->micd_modes[0].bias) { |
bbbd46e3 MB |
251 | case 1: |
252 | return "MICBIAS1"; | |
253 | case 2: | |
254 | return "MICBIAS2"; | |
255 | case 3: | |
256 | return "MICBIAS3"; | |
257 | default: | |
258 | return "MICVDD"; | |
259 | } | |
260 | } | |
261 | ||
262 | static void arizona_extcon_pulse_micbias(struct arizona_extcon_info *info) | |
263 | { | |
264 | struct arizona *arizona = info->arizona; | |
265 | const char *widget = arizona_extcon_get_micbias(info); | |
266 | struct snd_soc_dapm_context *dapm = arizona->dapm; | |
efd95c71 | 267 | struct snd_soc_component *component = snd_soc_dapm_to_component(dapm); |
bbbd46e3 MB |
268 | int ret; |
269 | ||
efd95c71 | 270 | ret = snd_soc_component_force_enable_pin(component, widget); |
bbbd46e3 MB |
271 | if (ret != 0) |
272 | dev_warn(arizona->dev, "Failed to enable %s: %d\n", | |
273 | widget, ret); | |
274 | ||
bbbd46e3 MB |
275 | snd_soc_dapm_sync(dapm); |
276 | ||
277 | if (!arizona->pdata.micd_force_micbias) { | |
efd95c71 | 278 | ret = snd_soc_component_disable_pin(component, widget); |
bbbd46e3 MB |
279 | if (ret != 0) |
280 | dev_warn(arizona->dev, "Failed to disable %s: %d\n", | |
281 | widget, ret); | |
282 | ||
bbbd46e3 MB |
283 | snd_soc_dapm_sync(dapm); |
284 | } | |
285 | } | |
286 | ||
9b1270c7 MB |
287 | static void arizona_start_mic(struct arizona_extcon_info *info) |
288 | { | |
289 | struct arizona *arizona = info->arizona; | |
290 | bool change; | |
291 | int ret; | |
df8b6771 | 292 | unsigned int mode; |
9b1270c7 | 293 | |
9b1270c7 MB |
294 | /* Microphone detection can't use idle mode */ |
295 | pm_runtime_get(info->dev); | |
296 | ||
bbbd46e3 MB |
297 | if (info->detecting) { |
298 | ret = regulator_allow_bypass(info->micvdd, false); | |
299 | if (ret != 0) { | |
300 | dev_err(arizona->dev, | |
301 | "Failed to regulate MICVDD: %d\n", | |
302 | ret); | |
303 | } | |
304 | } | |
305 | ||
9b1270c7 MB |
306 | ret = regulator_enable(info->micvdd); |
307 | if (ret != 0) { | |
308 | dev_err(arizona->dev, "Failed to enable MICVDD: %d\n", | |
309 | ret); | |
310 | } | |
311 | ||
312 | if (info->micd_reva) { | |
313 | regmap_write(arizona->regmap, 0x80, 0x3); | |
314 | regmap_write(arizona->regmap, 0x294, 0); | |
315 | regmap_write(arizona->regmap, 0x80, 0x0); | |
316 | } | |
317 | ||
df8b6771 CK |
318 | if (info->detecting && arizona->pdata.micd_software_compare) |
319 | mode = ARIZONA_ACCDET_MODE_ADC; | |
320 | else | |
321 | mode = ARIZONA_ACCDET_MODE_MIC; | |
322 | ||
9b1270c7 MB |
323 | regmap_update_bits(arizona->regmap, |
324 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
df8b6771 | 325 | ARIZONA_ACCDET_MODE_MASK, mode); |
9b1270c7 | 326 | |
bbbd46e3 MB |
327 | arizona_extcon_pulse_micbias(info); |
328 | ||
fbdc60b2 CK |
329 | ret = regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, |
330 | ARIZONA_MICD_ENA, ARIZONA_MICD_ENA, | |
331 | &change); | |
332 | if (ret < 0) { | |
333 | dev_err(arizona->dev, "Failed to enable micd: %d\n", ret); | |
334 | } else if (!change) { | |
9b1270c7 MB |
335 | regulator_disable(info->micvdd); |
336 | pm_runtime_put_autosuspend(info->dev); | |
337 | } | |
338 | } | |
339 | ||
340 | static void arizona_stop_mic(struct arizona_extcon_info *info) | |
341 | { | |
342 | struct arizona *arizona = info->arizona; | |
bbbd46e3 MB |
343 | const char *widget = arizona_extcon_get_micbias(info); |
344 | struct snd_soc_dapm_context *dapm = arizona->dapm; | |
efd95c71 | 345 | struct snd_soc_component *component = snd_soc_dapm_to_component(dapm); |
fbdc60b2 | 346 | bool change = false; |
bbbd46e3 | 347 | int ret; |
9b1270c7 | 348 | |
fbdc60b2 CK |
349 | ret = regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, |
350 | ARIZONA_MICD_ENA, 0, | |
351 | &change); | |
352 | if (ret < 0) | |
353 | dev_err(arizona->dev, "Failed to disable micd: %d\n", ret); | |
9b1270c7 | 354 | |
efd95c71 | 355 | ret = snd_soc_component_disable_pin(component, widget); |
bbbd46e3 MB |
356 | if (ret != 0) |
357 | dev_warn(arizona->dev, | |
358 | "Failed to disable %s: %d\n", | |
359 | widget, ret); | |
360 | ||
bbbd46e3 MB |
361 | snd_soc_dapm_sync(dapm); |
362 | ||
9b1270c7 MB |
363 | if (info->micd_reva) { |
364 | regmap_write(arizona->regmap, 0x80, 0x3); | |
365 | regmap_write(arizona->regmap, 0x294, 2); | |
366 | regmap_write(arizona->regmap, 0x80, 0x0); | |
367 | } | |
368 | ||
bbbd46e3 MB |
369 | ret = regulator_allow_bypass(info->micvdd, true); |
370 | if (ret != 0) { | |
371 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", | |
372 | ret); | |
373 | } | |
374 | ||
9b1270c7 MB |
375 | if (change) { |
376 | regulator_disable(info->micvdd); | |
377 | pm_runtime_mark_last_busy(info->dev); | |
378 | pm_runtime_put_autosuspend(info->dev); | |
379 | } | |
380 | } | |
381 | ||
4f340333 | 382 | static struct { |
24a279b1 | 383 | unsigned int threshold; |
4f340333 MB |
384 | unsigned int factor_a; |
385 | unsigned int factor_b; | |
386 | } arizona_hpdet_b_ranges[] = { | |
24a279b1 CK |
387 | { 100, 5528, 362464 }, |
388 | { 169, 11084, 6186851 }, | |
389 | { 169, 11065, 65460395 }, | |
4f340333 MB |
390 | }; |
391 | ||
24a279b1 CK |
392 | #define ARIZONA_HPDET_B_RANGE_MAX 0x3fb |
393 | ||
4f340333 MB |
394 | static struct { |
395 | int min; | |
396 | int max; | |
397 | } arizona_hpdet_c_ranges[] = { | |
398 | { 0, 30 }, | |
399 | { 8, 100 }, | |
400 | { 100, 1000 }, | |
401 | { 1000, 10000 }, | |
402 | }; | |
403 | ||
404 | static int arizona_hpdet_read(struct arizona_extcon_info *info) | |
405 | { | |
406 | struct arizona *arizona = info->arizona; | |
407 | unsigned int val, range; | |
408 | int ret; | |
409 | ||
410 | ret = regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_2, &val); | |
411 | if (ret != 0) { | |
412 | dev_err(arizona->dev, "Failed to read HPDET status: %d\n", | |
413 | ret); | |
414 | return ret; | |
415 | } | |
416 | ||
d0fd5fbc | 417 | switch (info->hpdet_ip_version) { |
4f340333 MB |
418 | case 0: |
419 | if (!(val & ARIZONA_HP_DONE)) { | |
420 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
421 | val); | |
e6dd8cf2 | 422 | return -EAGAIN; |
4f340333 MB |
423 | } |
424 | ||
425 | val &= ARIZONA_HP_LVL_MASK; | |
426 | break; | |
427 | ||
428 | case 1: | |
429 | if (!(val & ARIZONA_HP_DONE_B)) { | |
430 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
431 | val); | |
e6dd8cf2 | 432 | return -EAGAIN; |
4f340333 MB |
433 | } |
434 | ||
435 | ret = regmap_read(arizona->regmap, ARIZONA_HP_DACVAL, &val); | |
436 | if (ret != 0) { | |
437 | dev_err(arizona->dev, "Failed to read HP value: %d\n", | |
438 | ret); | |
e6dd8cf2 | 439 | return -EAGAIN; |
4f340333 MB |
440 | } |
441 | ||
442 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
443 | &range); | |
444 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) | |
445 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; | |
446 | ||
447 | if (range < ARRAY_SIZE(arizona_hpdet_b_ranges) - 1 && | |
24a279b1 CK |
448 | (val < arizona_hpdet_b_ranges[range].threshold || |
449 | val >= ARIZONA_HPDET_B_RANGE_MAX)) { | |
4f340333 MB |
450 | range++; |
451 | dev_dbg(arizona->dev, "Moving to HPDET range %d\n", | |
452 | range); | |
453 | regmap_update_bits(arizona->regmap, | |
454 | ARIZONA_HEADPHONE_DETECT_1, | |
455 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, | |
456 | range << | |
457 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); | |
458 | return -EAGAIN; | |
459 | } | |
460 | ||
461 | /* If we go out of range report top of range */ | |
24a279b1 CK |
462 | if (val < arizona_hpdet_b_ranges[range].threshold || |
463 | val >= ARIZONA_HPDET_B_RANGE_MAX) { | |
4f340333 | 464 | dev_dbg(arizona->dev, "Measurement out of range\n"); |
9dd5e53d | 465 | return ARIZONA_HPDET_MAX; |
4f340333 MB |
466 | } |
467 | ||
468 | dev_dbg(arizona->dev, "HPDET read %d in range %d\n", | |
469 | val, range); | |
470 | ||
471 | val = arizona_hpdet_b_ranges[range].factor_b | |
472 | / ((val * 100) - | |
473 | arizona_hpdet_b_ranges[range].factor_a); | |
474 | break; | |
475 | ||
4f340333 MB |
476 | case 2: |
477 | if (!(val & ARIZONA_HP_DONE_B)) { | |
478 | dev_err(arizona->dev, "HPDET did not complete: %x\n", | |
479 | val); | |
e6dd8cf2 | 480 | return -EAGAIN; |
4f340333 MB |
481 | } |
482 | ||
483 | val &= ARIZONA_HP_LVL_B_MASK; | |
77438610 CK |
484 | /* Convert to ohms, the value is in 0.5 ohm increments */ |
485 | val /= 2; | |
4f340333 MB |
486 | |
487 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
488 | &range); | |
489 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) | |
490 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; | |
491 | ||
9141461d | 492 | /* Skip up a range, or report? */ |
4f340333 MB |
493 | if (range < ARRAY_SIZE(arizona_hpdet_c_ranges) - 1 && |
494 | (val >= arizona_hpdet_c_ranges[range].max)) { | |
495 | range++; | |
496 | dev_dbg(arizona->dev, "Moving to HPDET range %d-%d\n", | |
497 | arizona_hpdet_c_ranges[range].min, | |
498 | arizona_hpdet_c_ranges[range].max); | |
499 | regmap_update_bits(arizona->regmap, | |
500 | ARIZONA_HEADPHONE_DETECT_1, | |
501 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, | |
502 | range << | |
503 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); | |
504 | return -EAGAIN; | |
505 | } | |
9141461d CK |
506 | |
507 | if (range && (val < arizona_hpdet_c_ranges[range].min)) { | |
508 | dev_dbg(arizona->dev, "Reporting range boundary %d\n", | |
509 | arizona_hpdet_c_ranges[range].min); | |
510 | val = arizona_hpdet_c_ranges[range].min; | |
511 | } | |
e9844b2c CC |
512 | break; |
513 | ||
514 | default: | |
515 | dev_warn(arizona->dev, "Unknown HPDET IP revision %d\n", | |
516 | info->hpdet_ip_version); | |
517 | return -EINVAL; | |
4f340333 MB |
518 | } |
519 | ||
520 | dev_dbg(arizona->dev, "HP impedance %d ohms\n", val); | |
521 | return val; | |
522 | } | |
523 | ||
9c2ba270 MB |
524 | static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading, |
525 | bool *mic) | |
dd235eea MB |
526 | { |
527 | struct arizona *arizona = info->arizona; | |
1eda6aa7 | 528 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
dd235eea MB |
529 | |
530 | /* | |
531 | * If we're using HPDET for accessory identification we need | |
532 | * to take multiple measurements, step through them in sequence. | |
533 | */ | |
534 | if (arizona->pdata.hpdet_acc_id) { | |
535 | info->hpdet_res[info->num_hpdet_res++] = *reading; | |
1eda6aa7 MB |
536 | |
537 | /* Only check the mic directly if we didn't already ID it */ | |
9c2ba270 | 538 | if (id_gpio && info->num_hpdet_res == 1) { |
1eda6aa7 MB |
539 | dev_dbg(arizona->dev, "Measuring mic\n"); |
540 | ||
541 | regmap_update_bits(arizona->regmap, | |
542 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
543 | ARIZONA_ACCDET_MODE_MASK | | |
544 | ARIZONA_ACCDET_SRC, | |
545 | ARIZONA_ACCDET_MODE_HPR | | |
546 | info->micd_modes[0].src); | |
547 | ||
548 | gpio_set_value_cansleep(id_gpio, 1); | |
549 | ||
dd235eea MB |
550 | regmap_update_bits(arizona->regmap, |
551 | ARIZONA_HEADPHONE_DETECT_1, | |
552 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
553 | return -EAGAIN; | |
554 | } | |
555 | ||
556 | /* OK, got both. Now, compare... */ | |
9c2ba270 MB |
557 | dev_dbg(arizona->dev, "HPDET measured %d %d\n", |
558 | info->hpdet_res[0], info->hpdet_res[1]); | |
c37b387f MB |
559 | |
560 | /* Take the headphone impedance for the main report */ | |
561 | *reading = info->hpdet_res[0]; | |
562 | ||
9dd5e53d MB |
563 | /* Sometimes we get false readings due to slow insert */ |
564 | if (*reading >= ARIZONA_HPDET_MAX && !info->hpdet_retried) { | |
565 | dev_dbg(arizona->dev, "Retrying high impedance\n"); | |
566 | info->num_hpdet_res = 0; | |
567 | info->hpdet_retried = true; | |
568 | arizona_start_hpdet_acc_id(info); | |
569 | pm_runtime_put(info->dev); | |
570 | return -EAGAIN; | |
571 | } | |
572 | ||
1eda6aa7 | 573 | /* |
d97abdde | 574 | * If we measure the mic as high impedance |
1eda6aa7 | 575 | */ |
9c2ba270 | 576 | if (!id_gpio || info->hpdet_res[1] > 50) { |
dd235eea | 577 | dev_dbg(arizona->dev, "Detected mic\n"); |
9c2ba270 | 578 | *mic = true; |
bf14ee5a | 579 | info->detecting = true; |
dd235eea MB |
580 | } else { |
581 | dev_dbg(arizona->dev, "Detected headphone\n"); | |
582 | } | |
583 | ||
584 | /* Make sure everything is reset back to the real polarity */ | |
585 | regmap_update_bits(arizona->regmap, | |
586 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
587 | ARIZONA_ACCDET_SRC, | |
588 | info->micd_modes[0].src); | |
589 | } | |
590 | ||
591 | return 0; | |
592 | } | |
593 | ||
4f340333 MB |
594 | static irqreturn_t arizona_hpdet_irq(int irq, void *data) |
595 | { | |
596 | struct arizona_extcon_info *info = data; | |
597 | struct arizona *arizona = info->arizona; | |
1eda6aa7 | 598 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
11eecf91 | 599 | unsigned int report = EXTCON_JACK_HEADPHONE; |
dd235eea | 600 | int ret, reading; |
9c2ba270 | 601 | bool mic = false; |
4f340333 MB |
602 | |
603 | mutex_lock(&info->lock); | |
604 | ||
605 | /* If we got a spurious IRQ for some reason then ignore it */ | |
606 | if (!info->hpdet_active) { | |
607 | dev_warn(arizona->dev, "Spurious HPDET IRQ\n"); | |
608 | mutex_unlock(&info->lock); | |
609 | return IRQ_NONE; | |
610 | } | |
611 | ||
612 | /* If the cable was removed while measuring ignore the result */ | |
8670b459 | 613 | ret = extcon_get_state(info->edev, EXTCON_MECHANICAL); |
4f340333 MB |
614 | if (ret < 0) { |
615 | dev_err(arizona->dev, "Failed to check cable state: %d\n", | |
616 | ret); | |
617 | goto out; | |
618 | } else if (!ret) { | |
619 | dev_dbg(arizona->dev, "Ignoring HPDET for removed cable\n"); | |
620 | goto done; | |
621 | } | |
622 | ||
623 | ret = arizona_hpdet_read(info); | |
d6675667 | 624 | if (ret == -EAGAIN) |
4f340333 | 625 | goto out; |
d6675667 | 626 | else if (ret < 0) |
4f340333 | 627 | goto done; |
dd235eea | 628 | reading = ret; |
4f340333 MB |
629 | |
630 | /* Reset back to starting range */ | |
631 | regmap_update_bits(arizona->regmap, | |
632 | ARIZONA_HEADPHONE_DETECT_1, | |
dd235eea MB |
633 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, |
634 | 0); | |
635 | ||
9c2ba270 | 636 | ret = arizona_hpdet_do_id(info, &reading, &mic); |
d6675667 | 637 | if (ret == -EAGAIN) |
dd235eea | 638 | goto out; |
d6675667 | 639 | else if (ret < 0) |
dd235eea | 640 | goto done; |
4f340333 MB |
641 | |
642 | /* Report high impedence cables as line outputs */ | |
dd235eea | 643 | if (reading >= 5000) |
11eecf91 | 644 | report = EXTCON_JACK_LINE_OUT; |
4f340333 | 645 | else |
11eecf91 | 646 | report = EXTCON_JACK_HEADPHONE; |
4f340333 | 647 | |
8670b459 | 648 | ret = extcon_set_state_sync(info->edev, report, true); |
4f340333 MB |
649 | if (ret != 0) |
650 | dev_err(arizona->dev, "Failed to report HP/line: %d\n", | |
651 | ret); | |
652 | ||
a3e00d4b CK |
653 | done: |
654 | /* Reset back to starting range */ | |
655 | regmap_update_bits(arizona->regmap, | |
656 | ARIZONA_HEADPHONE_DETECT_1, | |
657 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, | |
658 | 0); | |
659 | ||
112bdfaa | 660 | arizona_extcon_hp_clamp(info, false); |
4f340333 | 661 | |
1eda6aa7 MB |
662 | if (id_gpio) |
663 | gpio_set_value_cansleep(id_gpio, 0); | |
4f340333 MB |
664 | |
665 | /* Revert back to MICDET mode */ | |
666 | regmap_update_bits(arizona->regmap, | |
667 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
668 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
669 | ||
670 | /* If we have a mic then reenable MICDET */ | |
9c2ba270 | 671 | if (mic || info->mic) |
4f340333 MB |
672 | arizona_start_mic(info); |
673 | ||
674 | if (info->hpdet_active) { | |
675 | pm_runtime_put_autosuspend(info->dev); | |
676 | info->hpdet_active = false; | |
677 | } | |
678 | ||
bf14ee5a MB |
679 | info->hpdet_done = true; |
680 | ||
4f340333 MB |
681 | out: |
682 | mutex_unlock(&info->lock); | |
683 | ||
684 | return IRQ_HANDLED; | |
685 | } | |
686 | ||
687 | static void arizona_identify_headphone(struct arizona_extcon_info *info) | |
688 | { | |
689 | struct arizona *arizona = info->arizona; | |
690 | int ret; | |
691 | ||
bf14ee5a MB |
692 | if (info->hpdet_done) |
693 | return; | |
694 | ||
4f340333 MB |
695 | dev_dbg(arizona->dev, "Starting HPDET\n"); |
696 | ||
697 | /* Make sure we keep the device enabled during the measurement */ | |
698 | pm_runtime_get(info->dev); | |
699 | ||
700 | info->hpdet_active = true; | |
701 | ||
702 | if (info->mic) | |
703 | arizona_stop_mic(info); | |
704 | ||
112bdfaa | 705 | arizona_extcon_hp_clamp(info, true); |
4f340333 MB |
706 | |
707 | ret = regmap_update_bits(arizona->regmap, | |
708 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
709 | ARIZONA_ACCDET_MODE_MASK, | |
9e86b2ad | 710 | arizona->pdata.hpdet_channel); |
4f340333 | 711 | if (ret != 0) { |
9e86b2ad | 712 | dev_err(arizona->dev, "Failed to set HPDET mode: %d\n", ret); |
4f340333 MB |
713 | goto err; |
714 | } | |
715 | ||
716 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, | |
717 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
718 | if (ret != 0) { | |
719 | dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n", | |
720 | ret); | |
721 | goto err; | |
722 | } | |
723 | ||
724 | return; | |
725 | ||
726 | err: | |
727 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, | |
728 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
729 | ||
730 | /* Just report headphone */ | |
8670b459 | 731 | ret = extcon_set_state_sync(info->edev, EXTCON_JACK_HEADPHONE, true); |
4f340333 MB |
732 | if (ret != 0) |
733 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); | |
734 | ||
735 | if (info->mic) | |
736 | arizona_start_mic(info); | |
737 | ||
738 | info->hpdet_active = false; | |
739 | } | |
dd235eea MB |
740 | |
741 | static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info) | |
742 | { | |
743 | struct arizona *arizona = info->arizona; | |
9c2ba270 MB |
744 | int hp_reading = 32; |
745 | bool mic; | |
dd235eea MB |
746 | int ret; |
747 | ||
748 | dev_dbg(arizona->dev, "Starting identification via HPDET\n"); | |
749 | ||
750 | /* Make sure we keep the device enabled during the measurement */ | |
0e27bd31 | 751 | pm_runtime_get_sync(info->dev); |
dd235eea MB |
752 | |
753 | info->hpdet_active = true; | |
754 | ||
112bdfaa | 755 | arizona_extcon_hp_clamp(info, true); |
dd235eea MB |
756 | |
757 | ret = regmap_update_bits(arizona->regmap, | |
758 | ARIZONA_ACCESSORY_DETECT_MODE_1, | |
759 | ARIZONA_ACCDET_SRC | ARIZONA_ACCDET_MODE_MASK, | |
760 | info->micd_modes[0].src | | |
9e86b2ad | 761 | arizona->pdata.hpdet_channel); |
dd235eea | 762 | if (ret != 0) { |
9e86b2ad | 763 | dev_err(arizona->dev, "Failed to set HPDET mode: %d\n", ret); |
dd235eea MB |
764 | goto err; |
765 | } | |
766 | ||
9c2ba270 MB |
767 | if (arizona->pdata.hpdet_acc_id_line) { |
768 | ret = regmap_update_bits(arizona->regmap, | |
769 | ARIZONA_HEADPHONE_DETECT_1, | |
770 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); | |
771 | if (ret != 0) { | |
772 | dev_err(arizona->dev, | |
773 | "Can't start HPDETL measurement: %d\n", | |
774 | ret); | |
775 | goto err; | |
776 | } | |
777 | } else { | |
778 | arizona_hpdet_do_id(info, &hp_reading, &mic); | |
4f340333 MB |
779 | } |
780 | ||
dd235eea MB |
781 | return; |
782 | ||
783 | err: | |
784 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, | |
785 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); | |
786 | ||
787 | /* Just report headphone */ | |
8670b459 | 788 | ret = extcon_set_state_sync(info->edev, EXTCON_JACK_HEADPHONE, true); |
dd235eea MB |
789 | if (ret != 0) |
790 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); | |
791 | ||
4f340333 MB |
792 | info->hpdet_active = false; |
793 | } | |
794 | ||
939c5671 MB |
795 | static void arizona_micd_timeout_work(struct work_struct *work) |
796 | { | |
797 | struct arizona_extcon_info *info = container_of(work, | |
c2275d2f CC |
798 | struct arizona_extcon_info, |
799 | micd_timeout_work.work); | |
939c5671 MB |
800 | |
801 | mutex_lock(&info->lock); | |
802 | ||
803 | dev_dbg(info->arizona->dev, "MICD timed out, reporting HP\n"); | |
939c5671 MB |
804 | |
805 | info->detecting = false; | |
806 | ||
0ffe8cbd CK |
807 | arizona_identify_headphone(info); |
808 | ||
939c5671 MB |
809 | arizona_stop_mic(info); |
810 | ||
811 | mutex_unlock(&info->lock); | |
812 | } | |
813 | ||
cd59e796 | 814 | static void arizona_micd_detect(struct work_struct *work) |
f2c32a88 | 815 | { |
cd59e796 | 816 | struct arizona_extcon_info *info = container_of(work, |
c2275d2f CC |
817 | struct arizona_extcon_info, |
818 | micd_detect_work.work); | |
f2c32a88 | 819 | struct arizona *arizona = info->arizona; |
e2c0f476 | 820 | unsigned int val = 0, lvl; |
6fed4d86 | 821 | int ret, i, key; |
f2c32a88 | 822 | |
939c5671 MB |
823 | cancel_delayed_work_sync(&info->micd_timeout_work); |
824 | ||
f2c32a88 MB |
825 | mutex_lock(&info->lock); |
826 | ||
31a847e6 | 827 | /* If the cable was removed while measuring ignore the result */ |
8670b459 | 828 | ret = extcon_get_state(info->edev, EXTCON_MECHANICAL); |
31a847e6 CK |
829 | if (ret < 0) { |
830 | dev_err(arizona->dev, "Failed to check cable state: %d\n", | |
831 | ret); | |
832 | mutex_unlock(&info->lock); | |
833 | return; | |
834 | } else if (!ret) { | |
835 | dev_dbg(arizona->dev, "Ignoring MICDET for removed cable\n"); | |
836 | mutex_unlock(&info->lock); | |
837 | return; | |
838 | } | |
839 | ||
df8b6771 CK |
840 | if (info->detecting && arizona->pdata.micd_software_compare) { |
841 | /* Must disable MICD before we read the ADCVAL */ | |
842 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
843 | ARIZONA_MICD_ENA, 0); | |
844 | ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_4, &val); | |
845 | if (ret != 0) { | |
846 | dev_err(arizona->dev, | |
847 | "Failed to read MICDET_ADCVAL: %d\n", | |
848 | ret); | |
849 | mutex_unlock(&info->lock); | |
850 | return; | |
851 | } | |
852 | ||
853 | dev_dbg(arizona->dev, "MICDET_ADCVAL: %x\n", val); | |
854 | ||
855 | val &= ARIZONA_MICDET_ADCVAL_MASK; | |
856 | if (val < ARRAY_SIZE(arizona_micd_levels)) | |
857 | val = arizona_micd_levels[val]; | |
858 | else | |
859 | val = INT_MAX; | |
860 | ||
861 | if (val <= QUICK_HEADPHONE_MAX_OHM) | |
862 | val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_0; | |
863 | else if (val <= MICROPHONE_MIN_OHM) | |
864 | val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_1; | |
865 | else if (val <= MICROPHONE_MAX_OHM) | |
866 | val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_8; | |
867 | else | |
868 | val = ARIZONA_MICD_LVL_8; | |
869 | } | |
870 | ||
ffae24fe | 871 | for (i = 0; i < 10 && !(val & MICD_LVL_0_TO_8); i++) { |
e2c0f476 CK |
872 | ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val); |
873 | if (ret != 0) { | |
c2275d2f CC |
874 | dev_err(arizona->dev, |
875 | "Failed to read MICDET: %d\n", ret); | |
e2c0f476 | 876 | mutex_unlock(&info->lock); |
cd59e796 | 877 | return; |
e2c0f476 CK |
878 | } |
879 | ||
880 | dev_dbg(arizona->dev, "MICDET: %x\n", val); | |
f2c32a88 | 881 | |
e2c0f476 | 882 | if (!(val & ARIZONA_MICD_VALID)) { |
c2275d2f CC |
883 | dev_warn(arizona->dev, |
884 | "Microphone detection state invalid\n"); | |
e2c0f476 | 885 | mutex_unlock(&info->lock); |
cd59e796 | 886 | return; |
e2c0f476 CK |
887 | } |
888 | } | |
f2c32a88 | 889 | |
ffae24fe | 890 | if (i == 10 && !(val & MICD_LVL_0_TO_8)) { |
e2c0f476 | 891 | dev_err(arizona->dev, "Failed to get valid MICDET value\n"); |
f2c32a88 | 892 | mutex_unlock(&info->lock); |
cd59e796 | 893 | return; |
f2c32a88 MB |
894 | } |
895 | ||
896 | /* Due to jack detect this should never happen */ | |
897 | if (!(val & ARIZONA_MICD_STS)) { | |
898 | dev_warn(arizona->dev, "Detected open circuit\n"); | |
57f70ef9 CK |
899 | info->mic = false; |
900 | arizona_stop_mic(info); | |
f2c32a88 | 901 | info->detecting = false; |
57f70ef9 | 902 | arizona_identify_headphone(info); |
f2c32a88 MB |
903 | goto handled; |
904 | } | |
905 | ||
906 | /* If we got a high impedence we should have a headset, report it. */ | |
ffae24fe | 907 | if (info->detecting && (val & ARIZONA_MICD_LVL_8)) { |
0ffe8cbd CK |
908 | info->mic = true; |
909 | info->detecting = false; | |
910 | ||
4f340333 MB |
911 | arizona_identify_headphone(info); |
912 | ||
8670b459 | 913 | ret = extcon_set_state_sync(info->edev, |
11eecf91 | 914 | EXTCON_JACK_MICROPHONE, true); |
f2c32a88 MB |
915 | if (ret != 0) |
916 | dev_err(arizona->dev, "Headset report failed: %d\n", | |
917 | ret); | |
918 | ||
bbbd46e3 | 919 | /* Don't need to regulate for button detection */ |
e368f525 | 920 | ret = regulator_allow_bypass(info->micvdd, true); |
bbbd46e3 MB |
921 | if (ret != 0) { |
922 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", | |
923 | ret); | |
924 | } | |
925 | ||
f2c32a88 MB |
926 | goto handled; |
927 | } | |
928 | ||
929 | /* If we detected a lower impedence during initial startup | |
930 | * then we probably have the wrong polarity, flip it. Don't | |
931 | * do this for the lowest impedences to speed up detection of | |
932 | * plain headphones. If both polarities report a low | |
933 | * impedence then give up and report headphones. | |
934 | */ | |
ffae24fe | 935 | if (info->detecting && (val & MICD_LVL_1_TO_7)) { |
84eaa136 | 936 | if (info->jack_flips >= info->micd_num_modes * 10) { |
4f340333 | 937 | dev_dbg(arizona->dev, "Detected HP/line\n"); |
4f340333 | 938 | |
f2c32a88 | 939 | info->detecting = false; |
9ef2224d | 940 | |
0ffe8cbd CK |
941 | arizona_identify_headphone(info); |
942 | ||
4f340333 | 943 | arizona_stop_mic(info); |
f2c32a88 MB |
944 | } else { |
945 | info->micd_mode++; | |
946 | if (info->micd_mode == info->micd_num_modes) | |
947 | info->micd_mode = 0; | |
948 | arizona_extcon_set_mode(info, info->micd_mode); | |
949 | ||
950 | info->jack_flips++; | |
951 | } | |
952 | ||
953 | goto handled; | |
954 | } | |
955 | ||
956 | /* | |
957 | * If we're still detecting and we detect a short then we've | |
34efe4dc | 958 | * got a headphone. Otherwise it's a button press. |
f2c32a88 | 959 | */ |
ffae24fe | 960 | if (val & MICD_LVL_0_TO_7) { |
f2c32a88 MB |
961 | if (info->mic) { |
962 | dev_dbg(arizona->dev, "Mic button detected\n"); | |
963 | ||
34efe4dc MB |
964 | lvl = val & ARIZONA_MICD_LVL_MASK; |
965 | lvl >>= ARIZONA_MICD_LVL_SHIFT; | |
966 | ||
41a57850 MB |
967 | for (i = 0; i < info->num_micd_ranges; i++) |
968 | input_report_key(info->input, | |
969 | info->micd_ranges[i].key, 0); | |
970 | ||
6fed4d86 MB |
971 | WARN_ON(!lvl); |
972 | WARN_ON(ffs(lvl) - 1 >= info->num_micd_ranges); | |
973 | if (lvl && ffs(lvl) - 1 < info->num_micd_ranges) { | |
974 | key = info->micd_ranges[ffs(lvl) - 1].key; | |
975 | input_report_key(info->input, key, 1); | |
976 | input_sync(info->input); | |
977 | } | |
34efe4dc | 978 | |
f2c32a88 MB |
979 | } else if (info->detecting) { |
980 | dev_dbg(arizona->dev, "Headphone detected\n"); | |
981 | info->detecting = false; | |
982 | arizona_stop_mic(info); | |
983 | ||
4f340333 | 984 | arizona_identify_headphone(info); |
f2c32a88 MB |
985 | } else { |
986 | dev_warn(arizona->dev, "Button with no mic: %x\n", | |
987 | val); | |
988 | } | |
989 | } else { | |
990 | dev_dbg(arizona->dev, "Mic button released\n"); | |
6fed4d86 | 991 | for (i = 0; i < info->num_micd_ranges; i++) |
34efe4dc | 992 | input_report_key(info->input, |
6fed4d86 | 993 | info->micd_ranges[i].key, 0); |
34efe4dc | 994 | input_sync(info->input); |
bbbd46e3 | 995 | arizona_extcon_pulse_micbias(info); |
f2c32a88 MB |
996 | } |
997 | ||
998 | handled: | |
df8b6771 CK |
999 | if (info->detecting) { |
1000 | if (arizona->pdata.micd_software_compare) | |
1001 | regmap_update_bits(arizona->regmap, | |
1002 | ARIZONA_MIC_DETECT_1, | |
1003 | ARIZONA_MICD_ENA, | |
1004 | ARIZONA_MICD_ENA); | |
1005 | ||
df9a5ab4 MB |
1006 | queue_delayed_work(system_power_efficient_wq, |
1007 | &info->micd_timeout_work, | |
1008 | msecs_to_jiffies(info->micd_timeout)); | |
df8b6771 | 1009 | } |
939c5671 | 1010 | |
f2c32a88 MB |
1011 | pm_runtime_mark_last_busy(info->dev); |
1012 | mutex_unlock(&info->lock); | |
cd59e796 MB |
1013 | } |
1014 | ||
1015 | static irqreturn_t arizona_micdet(int irq, void *data) | |
1016 | { | |
1017 | struct arizona_extcon_info *info = data; | |
1018 | struct arizona *arizona = info->arizona; | |
1019 | int debounce = arizona->pdata.micd_detect_debounce; | |
1020 | ||
1021 | cancel_delayed_work_sync(&info->micd_detect_work); | |
1022 | cancel_delayed_work_sync(&info->micd_timeout_work); | |
1023 | ||
1024 | mutex_lock(&info->lock); | |
1025 | if (!info->detecting) | |
1026 | debounce = 0; | |
1027 | mutex_unlock(&info->lock); | |
1028 | ||
1029 | if (debounce) | |
df9a5ab4 MB |
1030 | queue_delayed_work(system_power_efficient_wq, |
1031 | &info->micd_detect_work, | |
1032 | msecs_to_jiffies(debounce)); | |
cd59e796 MB |
1033 | else |
1034 | arizona_micd_detect(&info->micd_detect_work.work); | |
f2c32a88 MB |
1035 | |
1036 | return IRQ_HANDLED; | |
1037 | } | |
1038 | ||
0e27bd31 MB |
1039 | static void arizona_hpdet_work(struct work_struct *work) |
1040 | { | |
1041 | struct arizona_extcon_info *info = container_of(work, | |
c2275d2f CC |
1042 | struct arizona_extcon_info, |
1043 | hpdet_work.work); | |
0e27bd31 MB |
1044 | |
1045 | mutex_lock(&info->lock); | |
1046 | arizona_start_hpdet_acc_id(info); | |
1047 | mutex_unlock(&info->lock); | |
1048 | } | |
1049 | ||
e57bb43c CK |
1050 | static int arizona_hpdet_wait(struct arizona_extcon_info *info) |
1051 | { | |
1052 | struct arizona *arizona = info->arizona; | |
1053 | unsigned int val; | |
1054 | int i, ret; | |
1055 | ||
1056 | for (i = 0; i < ARIZONA_HPDET_WAIT_COUNT; i++) { | |
1057 | ret = regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_2, | |
1058 | &val); | |
1059 | if (ret) { | |
1060 | dev_err(arizona->dev, | |
1061 | "Failed to read HPDET state: %d\n", ret); | |
1062 | return ret; | |
1063 | } | |
1064 | ||
1065 | switch (info->hpdet_ip_version) { | |
1066 | case 0: | |
1067 | if (val & ARIZONA_HP_DONE) | |
1068 | return 0; | |
1069 | break; | |
1070 | default: | |
1071 | if (val & ARIZONA_HP_DONE_B) | |
1072 | return 0; | |
1073 | break; | |
1074 | } | |
1075 | ||
1076 | msleep(ARIZONA_HPDET_WAIT_DELAY_MS); | |
1077 | } | |
1078 | ||
1079 | dev_warn(arizona->dev, "HPDET did not appear to complete\n"); | |
1080 | ||
1081 | return -ETIMEDOUT; | |
1082 | } | |
1083 | ||
f2c32a88 MB |
1084 | static irqreturn_t arizona_jackdet(int irq, void *data) |
1085 | { | |
1086 | struct arizona_extcon_info *info = data; | |
1087 | struct arizona *arizona = info->arizona; | |
92a49871 | 1088 | unsigned int val, present, mask; |
939c5671 | 1089 | bool cancelled_hp, cancelled_mic; |
34efe4dc | 1090 | int ret, i; |
f2c32a88 | 1091 | |
939c5671 MB |
1092 | cancelled_hp = cancel_delayed_work_sync(&info->hpdet_work); |
1093 | cancelled_mic = cancel_delayed_work_sync(&info->micd_timeout_work); | |
f2c32a88 | 1094 | |
a3e2078d | 1095 | pm_runtime_get_sync(info->dev); |
0e27bd31 | 1096 | |
f2c32a88 MB |
1097 | mutex_lock(&info->lock); |
1098 | ||
ff1cb0ed | 1099 | if (info->micd_clamp) { |
92a49871 | 1100 | mask = ARIZONA_MICD_CLAMP_STS; |
a0ef6428 | 1101 | present = 0; |
92a49871 MB |
1102 | } else { |
1103 | mask = ARIZONA_JD1_STS; | |
a288d648 RF |
1104 | if (arizona->pdata.jd_invert) |
1105 | present = 0; | |
1106 | else | |
1107 | present = ARIZONA_JD1_STS; | |
92a49871 MB |
1108 | } |
1109 | ||
f2c32a88 MB |
1110 | ret = regmap_read(arizona->regmap, ARIZONA_AOD_IRQ_RAW_STATUS, &val); |
1111 | if (ret != 0) { | |
1112 | dev_err(arizona->dev, "Failed to read jackdet status: %d\n", | |
1113 | ret); | |
1114 | mutex_unlock(&info->lock); | |
1115 | pm_runtime_put_autosuspend(info->dev); | |
1116 | return IRQ_NONE; | |
1117 | } | |
1118 | ||
a3e2078d MB |
1119 | val &= mask; |
1120 | if (val == info->last_jackdet) { | |
1121 | dev_dbg(arizona->dev, "Suppressing duplicate JACKDET\n"); | |
939c5671 | 1122 | if (cancelled_hp) |
df9a5ab4 MB |
1123 | queue_delayed_work(system_power_efficient_wq, |
1124 | &info->hpdet_work, | |
1125 | msecs_to_jiffies(HPDET_DEBOUNCE)); | |
a3e2078d | 1126 | |
c2275d2f CC |
1127 | if (cancelled_mic) { |
1128 | int micd_timeout = info->micd_timeout; | |
1129 | ||
df9a5ab4 MB |
1130 | queue_delayed_work(system_power_efficient_wq, |
1131 | &info->micd_timeout_work, | |
c2275d2f CC |
1132 | msecs_to_jiffies(micd_timeout)); |
1133 | } | |
939c5671 | 1134 | |
a3e2078d MB |
1135 | goto out; |
1136 | } | |
1137 | info->last_jackdet = val; | |
1138 | ||
1139 | if (info->last_jackdet == present) { | |
f2c32a88 | 1140 | dev_dbg(arizona->dev, "Detected jack\n"); |
8670b459 | 1141 | ret = extcon_set_state_sync(info->edev, |
2a9de9c0 | 1142 | EXTCON_MECHANICAL, true); |
f2c32a88 MB |
1143 | |
1144 | if (ret != 0) | |
1145 | dev_err(arizona->dev, "Mechanical report failed: %d\n", | |
1146 | ret); | |
1147 | ||
dd235eea MB |
1148 | if (!arizona->pdata.hpdet_acc_id) { |
1149 | info->detecting = true; | |
1150 | info->mic = false; | |
1151 | info->jack_flips = 0; | |
1152 | ||
1153 | arizona_start_mic(info); | |
1154 | } else { | |
df9a5ab4 MB |
1155 | queue_delayed_work(system_power_efficient_wq, |
1156 | &info->hpdet_work, | |
1157 | msecs_to_jiffies(HPDET_DEBOUNCE)); | |
dd235eea | 1158 | } |
4e616877 | 1159 | |
6c20b934 CK |
1160 | if (info->micd_clamp || !arizona->pdata.jd_invert) |
1161 | regmap_update_bits(arizona->regmap, | |
1162 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1163 | ARIZONA_MICD_CLAMP_DB | | |
1164 | ARIZONA_JD1_DB, 0); | |
f2c32a88 MB |
1165 | } else { |
1166 | dev_dbg(arizona->dev, "Detected jack removal\n"); | |
1167 | ||
1168 | arizona_stop_mic(info); | |
1169 | ||
dd235eea MB |
1170 | info->num_hpdet_res = 0; |
1171 | for (i = 0; i < ARRAY_SIZE(info->hpdet_res); i++) | |
1172 | info->hpdet_res[i] = 0; | |
1173 | info->mic = false; | |
bf14ee5a | 1174 | info->hpdet_done = false; |
9dd5e53d | 1175 | info->hpdet_retried = false; |
92a49871 | 1176 | |
6fed4d86 | 1177 | for (i = 0; i < info->num_micd_ranges; i++) |
34efe4dc | 1178 | input_report_key(info->input, |
6fed4d86 | 1179 | info->micd_ranges[i].key, 0); |
34efe4dc MB |
1180 | input_sync(info->input); |
1181 | ||
5475e631 | 1182 | for (i = 0; i < ARRAY_SIZE(arizona_cable) - 1; i++) { |
8670b459 | 1183 | ret = extcon_set_state_sync(info->edev, |
5475e631 CC |
1184 | arizona_cable[i], false); |
1185 | if (ret != 0) | |
1186 | dev_err(arizona->dev, | |
1187 | "Removal report failed: %d\n", ret); | |
1188 | } | |
4e616877 | 1189 | |
e57bb43c CK |
1190 | /* |
1191 | * If the jack was removed during a headphone detection we | |
1192 | * need to wait for the headphone detection to finish, as | |
1193 | * it can not be aborted. We don't want to be able to start | |
1194 | * a new headphone detection from a fresh insert until this | |
1195 | * one is finished. | |
1196 | */ | |
1197 | arizona_hpdet_wait(info); | |
1198 | ||
4e616877 MB |
1199 | regmap_update_bits(arizona->regmap, |
1200 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1201 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, | |
1202 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB); | |
f2c32a88 MB |
1203 | } |
1204 | ||
7abd4e2a MB |
1205 | if (arizona->pdata.micd_timeout) |
1206 | info->micd_timeout = arizona->pdata.micd_timeout; | |
1207 | else | |
1208 | info->micd_timeout = DEFAULT_MICD_TIMEOUT; | |
1209 | ||
cb9005d7 | 1210 | out: |
5d9ab708 CK |
1211 | /* Clear trig_sts to make sure DCVDD is not forced up */ |
1212 | regmap_write(arizona->regmap, ARIZONA_AOD_WKUP_AND_TRIG, | |
1213 | ARIZONA_MICD_CLAMP_FALL_TRIG_STS | | |
1214 | ARIZONA_MICD_CLAMP_RISE_TRIG_STS | | |
1215 | ARIZONA_JD1_FALL_TRIG_STS | | |
1216 | ARIZONA_JD1_RISE_TRIG_STS); | |
1217 | ||
f2c32a88 MB |
1218 | mutex_unlock(&info->lock); |
1219 | ||
1220 | pm_runtime_mark_last_busy(info->dev); | |
1221 | pm_runtime_put_autosuspend(info->dev); | |
1222 | ||
1223 | return IRQ_HANDLED; | |
1224 | } | |
1225 | ||
6fed4d86 MB |
1226 | /* Map a level onto a slot in the register bank */ |
1227 | static void arizona_micd_set_level(struct arizona *arizona, int index, | |
1228 | unsigned int level) | |
1229 | { | |
1230 | int reg; | |
1231 | unsigned int mask; | |
1232 | ||
1233 | reg = ARIZONA_MIC_DETECT_LEVEL_4 - (index / 2); | |
1234 | ||
1235 | if (!(index % 2)) { | |
1236 | mask = 0x3f00; | |
1237 | level <<= 8; | |
1238 | } else { | |
1239 | mask = 0x3f; | |
1240 | } | |
1241 | ||
1242 | /* Program the level itself */ | |
1243 | regmap_update_bits(arizona->regmap, reg, mask, level); | |
1244 | } | |
1245 | ||
bb6da5d9 CK |
1246 | static int arizona_extcon_get_micd_configs(struct device *dev, |
1247 | struct arizona *arizona) | |
1248 | { | |
1249 | const char * const prop = "wlf,micd-configs"; | |
1250 | const int entries_per_config = 3; | |
1251 | struct arizona_micd_config *micd_configs; | |
1252 | int nconfs, ret; | |
1253 | int i, j; | |
1254 | u32 *vals; | |
1255 | ||
1256 | nconfs = device_property_read_u32_array(arizona->dev, prop, NULL, 0); | |
1257 | if (nconfs <= 0) | |
1258 | return 0; | |
1259 | ||
1260 | vals = kcalloc(nconfs, sizeof(u32), GFP_KERNEL); | |
1261 | if (!vals) | |
1262 | return -ENOMEM; | |
1263 | ||
1264 | ret = device_property_read_u32_array(arizona->dev, prop, vals, nconfs); | |
1265 | if (ret < 0) | |
1266 | goto out; | |
1267 | ||
1268 | nconfs /= entries_per_config; | |
cf5459a9 | 1269 | micd_configs = devm_kcalloc(dev, nconfs, sizeof(*micd_configs), |
bb6da5d9 CK |
1270 | GFP_KERNEL); |
1271 | if (!micd_configs) { | |
1272 | ret = -ENOMEM; | |
1273 | goto out; | |
1274 | } | |
1275 | ||
1276 | for (i = 0, j = 0; i < nconfs; ++i) { | |
1277 | micd_configs[i].src = vals[j++] ? ARIZONA_ACCDET_SRC : 0; | |
1278 | micd_configs[i].bias = vals[j++]; | |
1279 | micd_configs[i].gpio = vals[j++]; | |
1280 | } | |
1281 | ||
1282 | arizona->pdata.micd_configs = micd_configs; | |
1283 | arizona->pdata.num_micd_configs = nconfs; | |
1284 | ||
1285 | out: | |
1286 | kfree(vals); | |
1287 | return ret; | |
1288 | } | |
1289 | ||
1290 | static int arizona_extcon_device_get_pdata(struct device *dev, | |
1291 | struct arizona *arizona) | |
9e86b2ad IS |
1292 | { |
1293 | struct arizona_pdata *pdata = &arizona->pdata; | |
1294 | unsigned int val = ARIZONA_ACCDET_MODE_HPL; | |
bb6da5d9 | 1295 | int ret; |
9e86b2ad | 1296 | |
feffb0cc | 1297 | device_property_read_u32(arizona->dev, "wlf,hpdet-channel", &val); |
9e86b2ad IS |
1298 | switch (val) { |
1299 | case ARIZONA_ACCDET_MODE_HPL: | |
1300 | case ARIZONA_ACCDET_MODE_HPR: | |
1301 | pdata->hpdet_channel = val; | |
1302 | break; | |
1303 | default: | |
1304 | dev_err(arizona->dev, | |
1305 | "Wrong wlf,hpdet-channel DT value %d\n", val); | |
1306 | pdata->hpdet_channel = ARIZONA_ACCDET_MODE_HPL; | |
1307 | } | |
1308 | ||
4778d44f CK |
1309 | device_property_read_u32(arizona->dev, "wlf,micd-detect-debounce", |
1310 | &pdata->micd_detect_debounce); | |
1311 | ||
1312 | device_property_read_u32(arizona->dev, "wlf,micd-bias-start-time", | |
1313 | &pdata->micd_bias_start_time); | |
1314 | ||
1315 | device_property_read_u32(arizona->dev, "wlf,micd-rate", | |
1316 | &pdata->micd_rate); | |
1317 | ||
1318 | device_property_read_u32(arizona->dev, "wlf,micd-dbtime", | |
1319 | &pdata->micd_dbtime); | |
1320 | ||
7a7ef0f2 | 1321 | device_property_read_u32(arizona->dev, "wlf,micd-timeout-ms", |
4778d44f CK |
1322 | &pdata->micd_timeout); |
1323 | ||
1324 | pdata->micd_force_micbias = device_property_read_bool(arizona->dev, | |
1325 | "wlf,micd-force-micbias"); | |
1326 | ||
2e87b7a8 CK |
1327 | pdata->micd_software_compare = device_property_read_bool(arizona->dev, |
1328 | "wlf,micd-software-compare"); | |
1329 | ||
3d7a872f CK |
1330 | pdata->jd_invert = device_property_read_bool(arizona->dev, |
1331 | "wlf,jd-invert"); | |
1332 | ||
99374227 CK |
1333 | device_property_read_u32(arizona->dev, "wlf,gpsw", &pdata->gpsw); |
1334 | ||
35247c13 | 1335 | pdata->jd_gpio5 = device_property_read_bool(arizona->dev, |
832df9e8 | 1336 | "wlf,use-jd2"); |
35247c13 | 1337 | pdata->jd_gpio5_nopull = device_property_read_bool(arizona->dev, |
832df9e8 | 1338 | "wlf,use-jd2-nopull"); |
35247c13 | 1339 | |
bb6da5d9 CK |
1340 | ret = arizona_extcon_get_micd_configs(dev, arizona); |
1341 | if (ret < 0) | |
1342 | dev_err(arizona->dev, "Failed to read micd configs: %d\n", ret); | |
1343 | ||
9e86b2ad IS |
1344 | return 0; |
1345 | } | |
1346 | ||
44f34fd4 | 1347 | static int arizona_extcon_probe(struct platform_device *pdev) |
f2c32a88 MB |
1348 | { |
1349 | struct arizona *arizona = dev_get_drvdata(pdev->dev.parent); | |
6ac6b475 | 1350 | struct arizona_pdata *pdata = &arizona->pdata; |
f2c32a88 | 1351 | struct arizona_extcon_info *info; |
e56a0a57 | 1352 | unsigned int val; |
a288d648 | 1353 | unsigned int clamp_mode; |
92a49871 | 1354 | int jack_irq_fall, jack_irq_rise; |
6fed4d86 | 1355 | int ret, mode, i, j; |
f2c32a88 | 1356 | |
bbbd46e3 MB |
1357 | if (!arizona->dapm || !arizona->dapm->card) |
1358 | return -EPROBE_DEFER; | |
1359 | ||
f2c32a88 | 1360 | info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); |
0a16ee63 | 1361 | if (!info) |
d88cc367 | 1362 | return -ENOMEM; |
f2c32a88 | 1363 | |
feffb0cc | 1364 | if (!dev_get_platdata(arizona->dev)) |
bb6da5d9 | 1365 | arizona_extcon_device_get_pdata(&pdev->dev, arizona); |
9e86b2ad | 1366 | |
17271f60 | 1367 | info->micvdd = devm_regulator_get(&pdev->dev, "MICVDD"); |
f2c32a88 MB |
1368 | if (IS_ERR(info->micvdd)) { |
1369 | ret = PTR_ERR(info->micvdd); | |
1370 | dev_err(arizona->dev, "Failed to get MICVDD: %d\n", ret); | |
d88cc367 | 1371 | return ret; |
f2c32a88 MB |
1372 | } |
1373 | ||
1374 | mutex_init(&info->lock); | |
1375 | info->arizona = arizona; | |
1376 | info->dev = &pdev->dev; | |
a3e2078d | 1377 | info->last_jackdet = ~(ARIZONA_MICD_CLAMP_STS | ARIZONA_JD1_STS); |
0e27bd31 | 1378 | INIT_DELAYED_WORK(&info->hpdet_work, arizona_hpdet_work); |
cd59e796 | 1379 | INIT_DELAYED_WORK(&info->micd_detect_work, arizona_micd_detect); |
939c5671 | 1380 | INIT_DELAYED_WORK(&info->micd_timeout_work, arizona_micd_timeout_work); |
f2c32a88 MB |
1381 | platform_set_drvdata(pdev, info); |
1382 | ||
1383 | switch (arizona->type) { | |
1384 | case WM5102: | |
1385 | switch (arizona->rev) { | |
1386 | case 0: | |
1387 | info->micd_reva = true; | |
1388 | break; | |
1389 | default: | |
dab63eb2 | 1390 | info->micd_clamp = true; |
d0fd5fbc | 1391 | info->hpdet_ip_version = 1; |
f2c32a88 MB |
1392 | break; |
1393 | } | |
1394 | break; | |
77438610 | 1395 | case WM5110: |
2f2b6aa8 | 1396 | case WM8280: |
77438610 CK |
1397 | switch (arizona->rev) { |
1398 | case 0 ... 2: | |
1399 | break; | |
1400 | default: | |
1401 | info->micd_clamp = true; | |
d0fd5fbc | 1402 | info->hpdet_ip_version = 2; |
77438610 CK |
1403 | break; |
1404 | } | |
1405 | break; | |
d8d09564 RF |
1406 | case WM8998: |
1407 | case WM1814: | |
1408 | info->micd_clamp = true; | |
1409 | info->hpdet_ip_version = 2; | |
1410 | break; | |
f2c32a88 MB |
1411 | default: |
1412 | break; | |
1413 | } | |
1414 | ||
ef70a214 CC |
1415 | info->edev = devm_extcon_dev_allocate(&pdev->dev, arizona_cable); |
1416 | if (IS_ERR(info->edev)) { | |
1417 | dev_err(&pdev->dev, "failed to allocate extcon device\n"); | |
1418 | return -ENOMEM; | |
1419 | } | |
f2c32a88 | 1420 | |
ef70a214 | 1421 | ret = devm_extcon_dev_register(&pdev->dev, info->edev); |
f2c32a88 | 1422 | if (ret < 0) { |
8e5f5018 | 1423 | dev_err(arizona->dev, "extcon_dev_register() failed: %d\n", |
f2c32a88 | 1424 | ret); |
d88cc367 | 1425 | return ret; |
f2c32a88 MB |
1426 | } |
1427 | ||
6fed4d86 MB |
1428 | info->input = devm_input_allocate_device(&pdev->dev); |
1429 | if (!info->input) { | |
1430 | dev_err(arizona->dev, "Can't allocate input dev\n"); | |
1431 | ret = -ENOMEM; | |
1432 | goto err_register; | |
1433 | } | |
1434 | ||
1435 | info->input->name = "Headset"; | |
1436 | info->input->phys = "arizona/extcon"; | |
6fed4d86 | 1437 | |
f2c32a88 MB |
1438 | if (pdata->num_micd_configs) { |
1439 | info->micd_modes = pdata->micd_configs; | |
1440 | info->micd_num_modes = pdata->num_micd_configs; | |
1441 | } else { | |
1442 | info->micd_modes = micd_default_modes; | |
1443 | info->micd_num_modes = ARRAY_SIZE(micd_default_modes); | |
1444 | } | |
1445 | ||
6772a5ab CK |
1446 | if (arizona->pdata.gpsw > 0) |
1447 | regmap_update_bits(arizona->regmap, ARIZONA_GP_SWITCH_1, | |
1448 | ARIZONA_SW1_MODE_MASK, arizona->pdata.gpsw); | |
1449 | ||
6c467a10 | 1450 | if (pdata->micd_pol_gpio > 0) { |
f2c32a88 MB |
1451 | if (info->micd_modes[0].gpio) |
1452 | mode = GPIOF_OUT_INIT_HIGH; | |
1453 | else | |
1454 | mode = GPIOF_OUT_INIT_LOW; | |
1455 | ||
6c467a10 CK |
1456 | ret = devm_gpio_request_one(&pdev->dev, pdata->micd_pol_gpio, |
1457 | mode, "MICD polarity"); | |
f2c32a88 MB |
1458 | if (ret != 0) { |
1459 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", | |
6c467a10 | 1460 | pdata->micd_pol_gpio, ret); |
f2c32a88 MB |
1461 | goto err_register; |
1462 | } | |
6c467a10 CK |
1463 | |
1464 | info->micd_pol_gpio = gpio_to_desc(pdata->micd_pol_gpio); | |
8e5838dd CK |
1465 | } else { |
1466 | if (info->micd_modes[0].gpio) | |
1467 | mode = GPIOD_OUT_HIGH; | |
1468 | else | |
1469 | mode = GPIOD_OUT_LOW; | |
1470 | ||
1471 | /* We can't use devm here because we need to do the get | |
1472 | * against the MFD device, as that is where the of_node | |
1473 | * will reside, but if we devm against that the GPIO | |
1474 | * will not be freed if the extcon driver is unloaded. | |
1475 | */ | |
1476 | info->micd_pol_gpio = gpiod_get_optional(arizona->dev, | |
1477 | "wlf,micd-pol", | |
1478 | GPIOD_OUT_LOW); | |
1479 | if (IS_ERR(info->micd_pol_gpio)) { | |
1480 | ret = PTR_ERR(info->micd_pol_gpio); | |
1481 | dev_err(arizona->dev, | |
1482 | "Failed to get microphone polarity GPIO: %d\n", | |
1483 | ret); | |
1484 | goto err_register; | |
1485 | } | |
f2c32a88 MB |
1486 | } |
1487 | ||
1eda6aa7 MB |
1488 | if (arizona->pdata.hpdet_id_gpio > 0) { |
1489 | ret = devm_gpio_request_one(&pdev->dev, | |
1490 | arizona->pdata.hpdet_id_gpio, | |
1491 | GPIOF_OUT_INIT_LOW, | |
1492 | "HPDET"); | |
1493 | if (ret != 0) { | |
1494 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", | |
1495 | arizona->pdata.hpdet_id_gpio, ret); | |
8e5838dd | 1496 | goto err_gpio; |
1eda6aa7 MB |
1497 | } |
1498 | } | |
1499 | ||
b17e5462 MB |
1500 | if (arizona->pdata.micd_bias_start_time) |
1501 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1502 | ARIZONA_MICD_BIAS_STARTTIME_MASK, | |
1503 | arizona->pdata.micd_bias_start_time | |
1504 | << ARIZONA_MICD_BIAS_STARTTIME_SHIFT); | |
1505 | ||
2e033db5 MB |
1506 | if (arizona->pdata.micd_rate) |
1507 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1508 | ARIZONA_MICD_RATE_MASK, | |
1509 | arizona->pdata.micd_rate | |
1510 | << ARIZONA_MICD_RATE_SHIFT); | |
1511 | ||
bb327e92 CK |
1512 | switch (arizona->pdata.micd_dbtime) { |
1513 | case MICD_DBTIME_FOUR_READINGS: | |
2e033db5 MB |
1514 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
1515 | ARIZONA_MICD_DBTIME_MASK, | |
bb327e92 CK |
1516 | ARIZONA_MICD_DBTIME); |
1517 | break; | |
1518 | case MICD_DBTIME_TWO_READINGS: | |
1519 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | |
1520 | ARIZONA_MICD_DBTIME_MASK, 0); | |
1521 | break; | |
1522 | default: | |
1523 | break; | |
1524 | } | |
2e033db5 | 1525 | |
df8b6771 CK |
1526 | BUILD_BUG_ON(ARRAY_SIZE(arizona_micd_levels) < |
1527 | ARIZONA_NUM_MICD_BUTTON_LEVELS); | |
6fed4d86 MB |
1528 | |
1529 | if (arizona->pdata.num_micd_ranges) { | |
1530 | info->micd_ranges = pdata->micd_ranges; | |
1531 | info->num_micd_ranges = pdata->num_micd_ranges; | |
1532 | } else { | |
1533 | info->micd_ranges = micd_default_ranges; | |
1534 | info->num_micd_ranges = ARRAY_SIZE(micd_default_ranges); | |
1535 | } | |
1536 | ||
1537 | if (arizona->pdata.num_micd_ranges > ARIZONA_MAX_MICD_RANGE) { | |
1538 | dev_err(arizona->dev, "Too many MICD ranges: %d\n", | |
1539 | arizona->pdata.num_micd_ranges); | |
1540 | } | |
1541 | ||
1542 | if (info->num_micd_ranges > 1) { | |
1543 | for (i = 1; i < info->num_micd_ranges; i++) { | |
1544 | if (info->micd_ranges[i - 1].max > | |
1545 | info->micd_ranges[i].max) { | |
1546 | dev_err(arizona->dev, | |
1547 | "MICD ranges must be sorted\n"); | |
1548 | ret = -EINVAL; | |
8e5838dd | 1549 | goto err_gpio; |
6fed4d86 MB |
1550 | } |
1551 | } | |
1552 | } | |
1553 | ||
1554 | /* Disable all buttons by default */ | |
1555 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2, | |
1556 | ARIZONA_MICD_LVL_SEL_MASK, 0x81); | |
1557 | ||
1558 | /* Set up all the buttons the user specified */ | |
1559 | for (i = 0; i < info->num_micd_ranges; i++) { | |
df8b6771 | 1560 | for (j = 0; j < ARIZONA_NUM_MICD_BUTTON_LEVELS; j++) |
6fed4d86 MB |
1561 | if (arizona_micd_levels[j] >= info->micd_ranges[i].max) |
1562 | break; | |
1563 | ||
df8b6771 | 1564 | if (j == ARIZONA_NUM_MICD_BUTTON_LEVELS) { |
6fed4d86 MB |
1565 | dev_err(arizona->dev, "Unsupported MICD level %d\n", |
1566 | info->micd_ranges[i].max); | |
1567 | ret = -EINVAL; | |
8e5838dd | 1568 | goto err_gpio; |
6fed4d86 MB |
1569 | } |
1570 | ||
1571 | dev_dbg(arizona->dev, "%d ohms for MICD threshold %d\n", | |
1572 | arizona_micd_levels[j], i); | |
1573 | ||
1574 | arizona_micd_set_level(arizona, i, j); | |
1575 | input_set_capability(info->input, EV_KEY, | |
1576 | info->micd_ranges[i].key); | |
1577 | ||
1578 | /* Enable reporting of that range */ | |
1579 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2, | |
1580 | 1 << i, 1 << i); | |
1581 | } | |
1582 | ||
1583 | /* Set all the remaining keys to a maximum */ | |
1584 | for (; i < ARIZONA_MAX_MICD_RANGE; i++) | |
1585 | arizona_micd_set_level(arizona, i, 0x3f); | |
1586 | ||
dab63eb2 | 1587 | /* |
92a49871 MB |
1588 | * If we have a clamp use it, activating in conjunction with |
1589 | * GPIO5 if that is connected for jack detect operation. | |
dab63eb2 MB |
1590 | */ |
1591 | if (info->micd_clamp) { | |
92a49871 | 1592 | if (arizona->pdata.jd_gpio5) { |
e56a0a57 MB |
1593 | /* Put the GPIO into input mode with optional pull */ |
1594 | val = 0xc101; | |
1595 | if (arizona->pdata.jd_gpio5_nopull) | |
1596 | val &= ~ARIZONA_GPN_PU; | |
1597 | ||
92a49871 | 1598 | regmap_write(arizona->regmap, ARIZONA_GPIO5_CTRL, |
e56a0a57 | 1599 | val); |
92a49871 | 1600 | |
a288d648 RF |
1601 | if (arizona->pdata.jd_invert) |
1602 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH_GP5H; | |
1603 | else | |
1604 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL_GP5H; | |
92a49871 | 1605 | } else { |
a288d648 RF |
1606 | if (arizona->pdata.jd_invert) |
1607 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH; | |
1608 | else | |
1609 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL; | |
92a49871 MB |
1610 | } |
1611 | ||
a288d648 RF |
1612 | regmap_update_bits(arizona->regmap, |
1613 | ARIZONA_MICD_CLAMP_CONTROL, | |
1614 | ARIZONA_MICD_CLAMP_MODE_MASK, clamp_mode); | |
1615 | ||
dab63eb2 MB |
1616 | regmap_update_bits(arizona->regmap, |
1617 | ARIZONA_JACK_DETECT_DEBOUNCE, | |
1618 | ARIZONA_MICD_CLAMP_DB, | |
1619 | ARIZONA_MICD_CLAMP_DB); | |
1620 | } | |
1621 | ||
f2c32a88 MB |
1622 | arizona_extcon_set_mode(info, 0); |
1623 | ||
1624 | pm_runtime_enable(&pdev->dev); | |
1625 | pm_runtime_idle(&pdev->dev); | |
1626 | pm_runtime_get_sync(&pdev->dev); | |
1627 | ||
ff1cb0ed | 1628 | if (info->micd_clamp) { |
92a49871 MB |
1629 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; |
1630 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; | |
1631 | } else { | |
1632 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; | |
1633 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; | |
1634 | } | |
1635 | ||
1636 | ret = arizona_request_irq(arizona, jack_irq_rise, | |
f2c32a88 MB |
1637 | "JACKDET rise", arizona_jackdet, info); |
1638 | if (ret != 0) { | |
1639 | dev_err(&pdev->dev, "Failed to get JACKDET rise IRQ: %d\n", | |
1640 | ret); | |
8e5838dd | 1641 | goto err_gpio; |
f2c32a88 MB |
1642 | } |
1643 | ||
92a49871 | 1644 | ret = arizona_set_irq_wake(arizona, jack_irq_rise, 1); |
f2c32a88 MB |
1645 | if (ret != 0) { |
1646 | dev_err(&pdev->dev, "Failed to set JD rise IRQ wake: %d\n", | |
1647 | ret); | |
1648 | goto err_rise; | |
1649 | } | |
1650 | ||
92a49871 | 1651 | ret = arizona_request_irq(arizona, jack_irq_fall, |
f2c32a88 MB |
1652 | "JACKDET fall", arizona_jackdet, info); |
1653 | if (ret != 0) { | |
1654 | dev_err(&pdev->dev, "Failed to get JD fall IRQ: %d\n", ret); | |
1655 | goto err_rise_wake; | |
1656 | } | |
1657 | ||
92a49871 | 1658 | ret = arizona_set_irq_wake(arizona, jack_irq_fall, 1); |
f2c32a88 MB |
1659 | if (ret != 0) { |
1660 | dev_err(&pdev->dev, "Failed to set JD fall IRQ wake: %d\n", | |
1661 | ret); | |
1662 | goto err_fall; | |
1663 | } | |
1664 | ||
1665 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_MICDET, | |
1666 | "MICDET", arizona_micdet, info); | |
1667 | if (ret != 0) { | |
1668 | dev_err(&pdev->dev, "Failed to get MICDET IRQ: %d\n", ret); | |
1669 | goto err_fall_wake; | |
1670 | } | |
1671 | ||
4f340333 MB |
1672 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_HPDET, |
1673 | "HPDET", arizona_hpdet_irq, info); | |
1674 | if (ret != 0) { | |
1675 | dev_err(&pdev->dev, "Failed to get HPDET IRQ: %d\n", ret); | |
1676 | goto err_micdet; | |
1677 | } | |
1678 | ||
f2c32a88 MB |
1679 | arizona_clk32k_enable(arizona); |
1680 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE, | |
1681 | ARIZONA_JD1_DB, ARIZONA_JD1_DB); | |
1682 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, | |
1683 | ARIZONA_JD1_ENA, ARIZONA_JD1_ENA); | |
1684 | ||
b8575a11 MB |
1685 | ret = regulator_allow_bypass(info->micvdd, true); |
1686 | if (ret != 0) | |
1687 | dev_warn(arizona->dev, "Failed to set MICVDD to bypass: %d\n", | |
1688 | ret); | |
1689 | ||
f2c32a88 MB |
1690 | pm_runtime_put(&pdev->dev); |
1691 | ||
34efe4dc MB |
1692 | ret = input_register_device(info->input); |
1693 | if (ret) { | |
1694 | dev_err(&pdev->dev, "Can't register input device: %d\n", ret); | |
4f340333 | 1695 | goto err_hpdet; |
34efe4dc MB |
1696 | } |
1697 | ||
f2c32a88 MB |
1698 | return 0; |
1699 | ||
4f340333 MB |
1700 | err_hpdet: |
1701 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); | |
80732cc1 MB |
1702 | err_micdet: |
1703 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); | |
f2c32a88 | 1704 | err_fall_wake: |
92a49871 | 1705 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); |
f2c32a88 | 1706 | err_fall: |
92a49871 | 1707 | arizona_free_irq(arizona, jack_irq_fall, info); |
f2c32a88 | 1708 | err_rise_wake: |
92a49871 | 1709 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); |
f2c32a88 | 1710 | err_rise: |
92a49871 | 1711 | arizona_free_irq(arizona, jack_irq_rise, info); |
8e5838dd CK |
1712 | err_gpio: |
1713 | gpiod_put(info->micd_pol_gpio); | |
f2c32a88 MB |
1714 | err_register: |
1715 | pm_runtime_disable(&pdev->dev); | |
f2c32a88 MB |
1716 | return ret; |
1717 | } | |
1718 | ||
93ed0327 | 1719 | static int arizona_extcon_remove(struct platform_device *pdev) |
f2c32a88 MB |
1720 | { |
1721 | struct arizona_extcon_info *info = platform_get_drvdata(pdev); | |
1722 | struct arizona *arizona = info->arizona; | |
92a49871 | 1723 | int jack_irq_rise, jack_irq_fall; |
00053de5 | 1724 | bool change; |
fbdc60b2 | 1725 | int ret; |
00053de5 | 1726 | |
fbdc60b2 CK |
1727 | ret = regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, |
1728 | ARIZONA_MICD_ENA, 0, | |
1729 | &change); | |
1730 | if (ret < 0) { | |
1731 | dev_err(&pdev->dev, "Failed to disable micd on remove: %d\n", | |
1732 | ret); | |
1733 | } else if (change) { | |
00053de5 CK |
1734 | regulator_disable(info->micvdd); |
1735 | pm_runtime_put(info->dev); | |
1736 | } | |
f2c32a88 | 1737 | |
8e5838dd CK |
1738 | gpiod_put(info->micd_pol_gpio); |
1739 | ||
f2c32a88 MB |
1740 | pm_runtime_disable(&pdev->dev); |
1741 | ||
dab63eb2 MB |
1742 | regmap_update_bits(arizona->regmap, |
1743 | ARIZONA_MICD_CLAMP_CONTROL, | |
1744 | ARIZONA_MICD_CLAMP_MODE_MASK, 0); | |
1745 | ||
ff1cb0ed | 1746 | if (info->micd_clamp) { |
92a49871 MB |
1747 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; |
1748 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; | |
1749 | } else { | |
1750 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; | |
1751 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; | |
1752 | } | |
1753 | ||
1754 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); | |
1755 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); | |
1756 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); | |
f2c32a88 | 1757 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); |
92a49871 MB |
1758 | arizona_free_irq(arizona, jack_irq_rise, info); |
1759 | arizona_free_irq(arizona, jack_irq_fall, info); | |
0e27bd31 | 1760 | cancel_delayed_work_sync(&info->hpdet_work); |
f2c32a88 MB |
1761 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, |
1762 | ARIZONA_JD1_ENA, 0); | |
1763 | arizona_clk32k_disable(arizona); | |
f2c32a88 MB |
1764 | |
1765 | return 0; | |
1766 | } | |
1767 | ||
1768 | static struct platform_driver arizona_extcon_driver = { | |
1769 | .driver = { | |
1770 | .name = "arizona-extcon", | |
f2c32a88 MB |
1771 | }, |
1772 | .probe = arizona_extcon_probe, | |
5f7e2228 | 1773 | .remove = arizona_extcon_remove, |
f2c32a88 MB |
1774 | }; |
1775 | ||
1776 | module_platform_driver(arizona_extcon_driver); | |
1777 | ||
1778 | MODULE_DESCRIPTION("Arizona Extcon driver"); | |
1779 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
1780 | MODULE_LICENSE("GPL"); | |
1781 | MODULE_ALIAS("platform:extcon-arizona"); |