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b9addd21 RF |
1 | /* |
2 | * extcon-madera.c - Extcon driver for Cirrus Logic Madera codecs | |
3 | * | |
4 | * Copyright 2015-2017 Cirrus Logic | |
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 version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #include <linux/kernel.h> | |
12 | #include <linux/module.h> | |
13 | #include <linux/device.h> | |
14 | #include <linux/delay.h> | |
15 | #include <linux/err.h> | |
16 | #include <linux/extcon.h> | |
17 | #include <linux/gpio.h> | |
18 | #include <linux/input.h> | |
19 | #include <linux/interrupt.h> | |
20 | #include <linux/math64.h> | |
21 | #include <linux/platform_device.h> | |
22 | #include <linux/pm_runtime.h> | |
23 | #include <linux/property.h> | |
24 | #include <linux/regmap.h> | |
25 | #include <linux/slab.h> | |
26 | #include <linux/regulator/consumer.h> | |
27 | ||
28 | #include <sound/soc.h> | |
29 | ||
30 | #include <linux/extcon/extcon-madera.h> | |
31 | #include <linux/extcon/extcon-madera-pdata.h> | |
32 | #include <dt-bindings/extcon/extcon-madera.h> | |
33 | ||
34 | #include <linux/mfd/madera/core.h> | |
35 | #include <linux/mfd/madera/pdata.h> | |
36 | #include <linux/mfd/madera/registers.h> | |
37 | ||
38 | #define MADERA_MAX_MICD_RANGE 8 | |
39 | ||
40 | #define MADERA_MICD_CLAMP_MODE_JD1L 0x4 | |
41 | #define MADERA_MICD_CLAMP_MODE_JD1H 0x5 | |
42 | #define MADERA_MICD_CLAMP_MODE_JD1L_JD2L 0x8 | |
43 | #define MADERA_MICD_CLAMP_MODE_JD1L_JD2H 0x9 | |
44 | #define MADERA_MICD_CLAMP_MODE_JD1H_JD2H 0xb | |
45 | ||
46 | #define MADERA_HPDET_MAX_OHM 10000 | |
47 | #define MADERA_HPDET_MAX_HOHM (MADERA_HPDET_MAX_OHM * 100) | |
48 | #define MADERA_HP_SHORT_IMPEDANCE_MIN 4 | |
49 | ||
50 | #define MADERA_HPDET_DEBOUNCE_MS 500 | |
51 | #define MADERA_DEFAULT_MICD_TIMEOUT_MS 2000 | |
52 | ||
53 | #define MADERA_HPDONE_PROBE_INTERVAL_MS 20 | |
54 | #define MADERA_HPDONE_PROBE_COUNT 15 | |
55 | ||
56 | #define MADERA_MICROPHONE_MIN_OHM 1258 | |
57 | #define MADERA_MICROPHONE_MAX_OHM 30000 | |
58 | ||
59 | #define MADERA_HP_TUNING_INVALID -1 | |
60 | ||
58a080d7 | 61 | #define DEBUG |
62 | ||
b9addd21 RF |
63 | static const unsigned int madera_cable[] = { |
64 | EXTCON_MECHANICAL, | |
b9addd21 | 65 | EXTCON_JACK_HEADPHONE, |
ce63868a | 66 | EXTCON_JACK_MICROPHONE, |
449044bb | 67 | EXTCON_JACK_LINE_OUT, |
b9addd21 RF |
68 | EXTCON_NONE, |
69 | }; | |
70 | ||
71 | static const struct madera_micd_config cs47l85_micd_default_modes[] = { | |
72 | { MADERA_ACCD_SENSE_MICDET2, 0, MADERA_ACCD_BIAS_SRC_MICBIAS1, 0, 0 }, | |
73 | { MADERA_ACCD_SENSE_MICDET1, 0, MADERA_ACCD_BIAS_SRC_MICBIAS2, 1, 0 }, | |
74 | }; | |
75 | ||
76 | static const struct madera_micd_config madera_micd_default_modes[] = { | |
77 | { MADERA_MICD1_SENSE_MICDET1, MADERA_MICD1_GND_MICDET2, | |
78 | MADERA_MICD_BIAS_SRC_MICBIAS1A, 0, MADERA_HPD_GND_HPOUTFB2 }, | |
79 | { MADERA_MICD1_SENSE_MICDET2, MADERA_MICD1_GND_MICDET1, | |
80 | MADERA_MICD_BIAS_SRC_MICBIAS1B, 1, MADERA_HPD_GND_HPOUTFB1 }, | |
81 | }; | |
82 | ||
83 | static const unsigned int madera_default_hpd_pins[4] = { | |
84 | [0] = MADERA_HPD_OUT_OUT1L, | |
85 | [1] = MADERA_HPD_SENSE_HPDET1, | |
86 | [2] = MADERA_HPD_OUT_OUT1R, | |
87 | [3] = MADERA_HPD_SENSE_HPDET1, | |
88 | }; | |
89 | ||
90 | static struct madera_micd_range madera_micd_default_ranges[] = { | |
b152fcee SH |
91 | { .max = 70, .key = KEY_MEDIA }, |
92 | { .max = 186, .key = KEY_VOICECOMMAND }, | |
93 | { .max = 295, .key = KEY_VOLUMEUP }, | |
94 | { .max = 681, .key = KEY_VOLUMEDOWN }, | |
b9addd21 RF |
95 | }; |
96 | ||
97 | /* The number of levels in madera_micd_levels valid for button thresholds */ | |
98 | #define MADERA_NUM_MICD_BUTTON_LEVELS 64 | |
99 | ||
100 | /* ohms for each micd level */ | |
101 | static const int madera_micd_levels[] = { | |
102 | 3, 6, 8, 11, 13, 16, 18, 21, 23, 26, 28, 31, 34, 36, 39, 41, 44, 46, | |
103 | 49, 52, 54, 57, 60, 62, 65, 67, 70, 73, 75, 78, 81, 83, 89, 94, 100, | |
104 | 105, 111, 116, 122, 127, 139, 150, 161, 173, 186, 196, 209, 220, 245, | |
105 | 270, 295, 321, 348, 375, 402, 430, 489, 550, 614, 681, 752, 903, 1071, | |
106 | 1257, 30000, | |
107 | }; | |
108 | ||
109 | /* | |
110 | * HP calibration data | |
111 | * See the datasheet for the meanings of the constants and their values | |
112 | */ | |
113 | struct madera_hpdet_calibration_data { | |
114 | int min; /* ohms */ | |
115 | int max; /* ohms */ | |
116 | s64 C0; /* value * 1000000 */ | |
117 | s64 C1; /* value * 10000 */ | |
118 | s64 C2; /* not multiplied */ | |
119 | s64 C3; /* value * 1000000 */ | |
120 | s64 C4_x_C3; /* value * 1000000 */ | |
121 | s64 C5; /* value * 1000000 */ | |
122 | s64 dacval_adjust; | |
123 | }; | |
124 | ||
0ed1d34d CK |
125 | static const struct madera_hpdet_calibration_data cs47l15_hpdet_ranges[] = { |
126 | {}, | |
127 | { 33, 123, 1000000, -4300, 7975, 69600000, 382800, 33350000, | |
128 | 500000}, | |
129 | { 123, 1033, 9633000, -79500, 7300, 62900000, 283050, 33350000, | |
130 | 500000}, | |
131 | { 1033, 10033, 100684000, -949400, 7300, 63200000, 284400, 33350000, | |
132 | 500000}, | |
133 | }; | |
134 | ||
135 | ||
b9addd21 RF |
136 | static const struct madera_hpdet_calibration_data cs47l85_hpdet_ranges[] = { |
137 | { 4, 30, 1007000, -7200, 4003, 69300000, 381150, 250000, 500000}, | |
138 | { 8, 100, 1007000, -7200, 7975, 69600000, 382800, 250000, 500000}, | |
139 | { 100, 1000, 9696000, -79500, 7300, 62900000, 345950, 250000, 500000}, | |
140 | { 1000, 10000, 100684000, -949400, 7300, 63200000, 347600, 250000, 500000}, | |
141 | }; | |
142 | ||
143 | static const struct madera_hpdet_calibration_data madera_hpdet_ranges[] = { | |
144 | { 4, 30, 1014000, -4300, 3950, 69300000, 381150, 700000, 500000}, | |
145 | { 8, 100, 1014000, -8600, 7975, 69600000, 382800, 700000, 500000}, | |
146 | { 100, 1000, 9744000, -79500, 7300, 62900000, 345950, 700000, 500000}, | |
147 | { 1000, 10000, 101158000, -949400, 7300, 63200000, 347600, 700000, 500000}, | |
148 | }; | |
149 | ||
505b5e40 SH |
150 | static const struct madera_hpdet_calibration_data cs47l92_hpdet_ranges[] = { |
151 | { 4, 30, 1007000, -7200, 4005, 69300000, 381150, 600000, 500000}, | |
152 | { 8, 100, 1007000, -7200, 7975, 69600000, 382800, 600000, 500000}, | |
153 | { 100, 1000, 9744000, -79500, 7300, 62900000, 345950, 600000, 500000}, | |
154 | { 1000, 10000, 100684000, -949400, 7300, 63200000, 347600, 600000, 500000}, | |
155 | }; | |
156 | ||
b9addd21 RF |
157 | struct madera_hp_tuning { |
158 | int max_hohm; | |
159 | const struct reg_sequence *patch; | |
160 | int patch_len; | |
161 | }; | |
162 | ||
9064b926 CK |
163 | static const struct reg_sequence cs47l15_low_impedance_patch[] = { |
164 | { 0x460, 0x0C00 }, | |
165 | { 0x461, 0xCB59 }, | |
166 | { 0x462, 0x0C00 }, | |
167 | { 0x463, 0x6037 }, | |
168 | { 0x464, 0x0C01 }, | |
169 | { 0x465, 0x2D86 }, | |
170 | { 0x466, 0x0801 }, | |
171 | { 0x467, 0x264E }, | |
172 | { 0x468, 0x0801 }, | |
173 | { 0x469, 0x1E6D }, | |
174 | { 0x46A, 0x0802 }, | |
175 | { 0x46B, 0x199A }, | |
176 | { 0x46C, 0x0802 }, | |
177 | { 0x46D, 0x1220 }, | |
178 | { 0x46E, 0x0802 }, | |
179 | { 0x46F, 0x0E65 }, | |
180 | { 0x470, 0x0806 }, | |
181 | { 0x471, 0x0A31 }, | |
182 | { 0x472, 0x080E }, | |
183 | { 0x473, 0x040F }, | |
184 | { 0x474, 0x080E }, | |
185 | { 0x475, 0x0339 }, | |
186 | { 0x476, 0x080E }, | |
187 | { 0x477, 0x028F }, | |
188 | { 0x478, 0x080E }, | |
189 | { 0x479, 0x0209 }, | |
190 | { 0x47A, 0x080E }, | |
191 | { 0x47B, 0x00CF }, | |
192 | { 0x47C, 0x080E }, | |
193 | { 0x47D, 0x0001 }, | |
194 | { 0x47E, 0x081F }, | |
195 | }; | |
196 | ||
197 | static const struct reg_sequence cs47l15_normal_impedance_patch[] = { | |
198 | { 0x460, 0x0C00 }, | |
199 | { 0x461, 0xCB59 }, | |
200 | { 0x462, 0x0C00 }, | |
201 | { 0x463, 0xB53C }, | |
202 | { 0x464, 0x0C01 }, | |
203 | { 0x465, 0x4827 }, | |
204 | { 0x466, 0x0801 }, | |
205 | { 0x467, 0x3950 }, | |
206 | { 0x468, 0x0801 }, | |
207 | { 0x469, 0x264E }, | |
208 | { 0x46A, 0x0802 }, | |
209 | { 0x46B, 0x1E6D }, | |
210 | { 0x46C, 0x0802 }, | |
211 | { 0x46D, 0x199A }, | |
212 | { 0x46E, 0x0802 }, | |
213 | { 0x46F, 0x1456 }, | |
214 | { 0x470, 0x0806 }, | |
215 | { 0x471, 0x1220 }, | |
216 | { 0x472, 0x080E }, | |
217 | { 0x473, 0x040F }, | |
218 | { 0x474, 0x080E }, | |
219 | { 0x475, 0x0339 }, | |
220 | { 0x476, 0x080E }, | |
221 | { 0x477, 0x028F }, | |
222 | { 0x478, 0x080E }, | |
223 | { 0x479, 0x0209 }, | |
224 | { 0x47A, 0x080E }, | |
225 | { 0x47B, 0x00CF }, | |
226 | { 0x47C, 0x080E }, | |
227 | { 0x47D, 0x0001 }, | |
228 | { 0x47E, 0x081F }, | |
229 | }; | |
230 | ||
231 | static const struct reg_sequence cs47l15_high_impedance_patch[] = { | |
232 | { 0x460, 0x0C00 }, | |
233 | { 0x461, 0xCB59 }, | |
234 | { 0x462, 0x0C00 }, | |
235 | { 0x463, 0xB53C }, | |
236 | { 0x464, 0x0C01 }, | |
237 | { 0x465, 0x6037 }, | |
238 | { 0x466, 0x0801 }, | |
239 | { 0x467, 0x4827 }, | |
240 | { 0x468, 0x0801 }, | |
241 | { 0x469, 0x3950 }, | |
242 | { 0x46A, 0x0802 }, | |
243 | { 0x46B, 0x264E }, | |
244 | { 0x46C, 0x0802 }, | |
245 | { 0x46D, 0x1E6D }, | |
246 | { 0x46E, 0x0802 }, | |
247 | { 0x46F, 0x199A }, | |
248 | { 0x470, 0x0806 }, | |
249 | { 0x471, 0x1220 }, | |
250 | { 0x472, 0x080E }, | |
251 | { 0x473, 0x040F }, | |
252 | { 0x474, 0x080E }, | |
253 | { 0x475, 0x0339 }, | |
254 | { 0x476, 0x080E }, | |
255 | { 0x477, 0x028F }, | |
256 | { 0x478, 0x080E }, | |
257 | { 0x479, 0x0209 }, | |
258 | { 0x47A, 0x080E }, | |
259 | { 0x47B, 0x00CF }, | |
260 | { 0x47C, 0x080E }, | |
261 | { 0x47D, 0x0001 }, | |
262 | { 0x47E, 0x081F }, | |
263 | }; | |
264 | ||
265 | static const struct madera_hp_tuning cs47l15_hp_tuning[] = { | |
266 | { | |
267 | 1600, | |
268 | cs47l15_low_impedance_patch, | |
269 | ARRAY_SIZE(cs47l15_low_impedance_patch), | |
270 | }, | |
271 | { | |
272 | 3200, | |
273 | cs47l15_normal_impedance_patch, | |
274 | ARRAY_SIZE(cs47l15_normal_impedance_patch), | |
275 | }, | |
276 | { | |
277 | MADERA_HPDET_MAX_HOHM, | |
278 | cs47l15_high_impedance_patch, | |
279 | ARRAY_SIZE(cs47l15_high_impedance_patch), | |
280 | }, | |
281 | }; | |
282 | ||
b9addd21 RF |
283 | static const struct reg_sequence cs47l35_low_impedance_patch[] = { |
284 | { 0x460, 0x0C40 }, | |
285 | { 0x461, 0xCD1A }, | |
286 | { 0x462, 0x0C40 }, | |
287 | { 0x463, 0xB53B }, | |
288 | { 0x464, 0x0C41 }, | |
289 | { 0x465, 0x4826 }, | |
290 | { 0x466, 0x0C41 }, | |
291 | { 0x467, 0x2EDA }, | |
292 | { 0x468, 0x0C41 }, | |
293 | { 0x469, 0x203A }, | |
294 | { 0x46A, 0x0841 }, | |
295 | { 0x46B, 0x121F }, | |
296 | { 0x46C, 0x0446 }, | |
297 | { 0x46D, 0x0B6F }, | |
298 | { 0x46E, 0x0446 }, | |
299 | { 0x46F, 0x0818 }, | |
300 | { 0x470, 0x04C6 }, | |
301 | { 0x471, 0x05BB }, | |
302 | { 0x472, 0x04C6 }, | |
303 | { 0x473, 0x040F }, | |
304 | { 0x474, 0x04CE }, | |
305 | { 0x475, 0x0339 }, | |
306 | { 0x476, 0x05DF }, | |
307 | { 0x477, 0x028F }, | |
308 | { 0x478, 0x05DF }, | |
309 | { 0x479, 0x0209 }, | |
310 | { 0x47A, 0x05DF }, | |
311 | { 0x47B, 0x00CF }, | |
312 | { 0x47C, 0x05DF }, | |
313 | { 0x47D, 0x0001 }, | |
314 | { 0x47E, 0x07FF }, | |
315 | }; | |
316 | ||
317 | static const struct reg_sequence cs47l35_normal_impedance_patch[] = { | |
318 | { 0x460, 0x0C40 }, | |
319 | { 0x461, 0xCD1A }, | |
320 | { 0x462, 0x0C40 }, | |
321 | { 0x463, 0xB53B }, | |
322 | { 0x464, 0x0C40 }, | |
323 | { 0x465, 0x7503 }, | |
324 | { 0x466, 0x0C40 }, | |
325 | { 0x467, 0x4A41 }, | |
326 | { 0x468, 0x0041 }, | |
327 | { 0x469, 0x3491 }, | |
328 | { 0x46A, 0x0841 }, | |
329 | { 0x46B, 0x1F50 }, | |
330 | { 0x46C, 0x0446 }, | |
331 | { 0x46D, 0x14ED }, | |
332 | { 0x46E, 0x0446 }, | |
333 | { 0x46F, 0x1455 }, | |
334 | { 0x470, 0x04C6 }, | |
335 | { 0x471, 0x1220 }, | |
336 | { 0x472, 0x04C6 }, | |
337 | { 0x473, 0x040F }, | |
338 | { 0x474, 0x04CE }, | |
339 | { 0x475, 0x0339 }, | |
340 | { 0x476, 0x05DF }, | |
341 | { 0x477, 0x028F }, | |
342 | { 0x478, 0x05DF }, | |
343 | { 0x479, 0x0209 }, | |
344 | { 0x47A, 0x05DF }, | |
345 | { 0x47B, 0x00CF }, | |
346 | { 0x47C, 0x05DF }, | |
347 | { 0x47D, 0x0001 }, | |
348 | { 0x47E, 0x07FF }, | |
349 | }; | |
350 | ||
351 | static const struct madera_hp_tuning cs47l35_hp_tuning[] = { | |
352 | { | |
353 | 1300, | |
354 | cs47l35_low_impedance_patch, | |
355 | ARRAY_SIZE(cs47l35_low_impedance_patch), | |
356 | }, | |
357 | { | |
358 | MADERA_HPDET_MAX_HOHM, | |
359 | cs47l35_normal_impedance_patch, | |
360 | ARRAY_SIZE(cs47l35_normal_impedance_patch), | |
361 | }, | |
362 | }; | |
363 | ||
364 | static const struct reg_sequence cs47l85_low_impedance_patch[] = { | |
365 | { 0x465, 0x4C6D }, | |
366 | { 0x467, 0x3950 }, | |
367 | { 0x469, 0x2D86 }, | |
368 | { 0x46B, 0x1E6D }, | |
369 | { 0x46D, 0x199A }, | |
370 | { 0x46F, 0x1456 }, | |
371 | { 0x483, 0x0826 }, | |
372 | }; | |
373 | ||
374 | static const struct reg_sequence cs47l85_normal_impedance_patch[] = { | |
375 | { 0x465, 0x8A43 }, | |
376 | { 0x467, 0x7259 }, | |
377 | { 0x469, 0x65EA }, | |
378 | { 0x46B, 0x50F4 }, | |
379 | { 0x46D, 0x41CD }, | |
380 | { 0x46F, 0x199A }, | |
381 | { 0x483, 0x0023 }, | |
382 | }; | |
383 | ||
384 | static const struct madera_hp_tuning cs47l85_hp_tuning[] = { | |
385 | { | |
386 | 1300, | |
387 | cs47l85_low_impedance_patch, | |
388 | ARRAY_SIZE(cs47l85_low_impedance_patch), | |
389 | }, | |
390 | { | |
391 | MADERA_HPDET_MAX_HOHM, | |
392 | cs47l85_normal_impedance_patch, | |
393 | ARRAY_SIZE(cs47l85_normal_impedance_patch), | |
394 | }, | |
395 | }; | |
396 | ||
397 | static const struct reg_sequence cs47l90_low_impedance_patch[] = { | |
398 | { 0x460, 0x0C21 }, | |
399 | { 0x461, 0xB53C }, | |
400 | { 0x462, 0x0C21 }, | |
401 | { 0x463, 0xA186 }, | |
402 | { 0x464, 0x0C21 }, | |
403 | { 0x465, 0x8FF6 }, | |
404 | { 0x466, 0x0C24 }, | |
405 | { 0x467, 0x804E }, | |
406 | { 0x468, 0x0C24 }, | |
407 | { 0x469, 0x725A }, | |
408 | { 0x46A, 0x0C24 }, | |
409 | { 0x46B, 0x5AD5 }, | |
410 | { 0x46C, 0x0C28 }, | |
411 | { 0x46D, 0x50F4 }, | |
412 | { 0x46E, 0x0C2C }, | |
413 | { 0x46F, 0x4827 }, | |
414 | { 0x470, 0x0C31 }, | |
415 | { 0x471, 0x404E }, | |
416 | { 0x472, 0x0020 }, | |
417 | { 0x473, 0x3950 }, | |
418 | { 0x474, 0x0028 }, | |
419 | { 0x475, 0x3314 }, | |
420 | { 0x476, 0x0030 }, | |
421 | { 0x477, 0x2893 }, | |
422 | { 0x478, 0x003F }, | |
423 | { 0x479, 0x2429 }, | |
424 | { 0x47A, 0x0830 }, | |
425 | { 0x47B, 0x203A }, | |
426 | { 0x47C, 0x0420 }, | |
427 | { 0x47D, 0x1027 }, | |
428 | { 0x47E, 0x0430 }, | |
429 | }; | |
430 | ||
431 | static const struct reg_sequence cs47l90_normal_impedance_patch[] = { | |
432 | { 0x460, 0x0C21 }, | |
433 | { 0x461, 0xB53C }, | |
434 | { 0x462, 0x0C25 }, | |
435 | { 0x463, 0xA186 }, | |
436 | { 0x464, 0x0C26 }, | |
437 | { 0x465, 0x8FF6 }, | |
438 | { 0x466, 0x0C28 }, | |
439 | { 0x467, 0x804E }, | |
440 | { 0x468, 0x0C30 }, | |
441 | { 0x469, 0x725A }, | |
442 | { 0x46A, 0x0C30 }, | |
443 | { 0x46B, 0x65EA }, | |
444 | { 0x46C, 0x0028 }, | |
445 | { 0x46D, 0x5AD5 }, | |
446 | { 0x46E, 0x0028 }, | |
447 | { 0x46F, 0x50F4 }, | |
448 | { 0x470, 0x0030 }, | |
449 | { 0x471, 0x4827 }, | |
450 | { 0x472, 0x0030 }, | |
451 | { 0x473, 0x404E }, | |
452 | { 0x474, 0x003F }, | |
453 | { 0x475, 0x3950 }, | |
454 | { 0x476, 0x0830 }, | |
455 | { 0x477, 0x3314 }, | |
456 | { 0x478, 0x0420 }, | |
457 | { 0x479, 0x2D86 }, | |
458 | { 0x47A, 0x0428 }, | |
459 | { 0x47B, 0x2893 }, | |
460 | { 0x47C, 0x0428 }, | |
461 | { 0x47D, 0x203A }, | |
462 | { 0x47E, 0x0428 }, | |
463 | }; | |
464 | ||
465 | static const struct reg_sequence cs47l90_high_impedance_patch[] = { | |
466 | { 0x460, 0x0C21 }, | |
467 | { 0x461, 0xB53C }, | |
468 | { 0x462, 0x0C26 }, | |
469 | { 0x463, 0xA186 }, | |
470 | { 0x464, 0x0C28 }, | |
471 | { 0x465, 0x8FF6 }, | |
472 | { 0x466, 0x0C2A }, | |
473 | { 0x467, 0x804E }, | |
474 | { 0x468, 0x0025 }, | |
475 | { 0x469, 0x725A }, | |
476 | { 0x46A, 0x0030 }, | |
477 | { 0x46B, 0x65EA }, | |
478 | { 0x46C, 0x0030 }, | |
479 | { 0x46D, 0x5AD5 }, | |
480 | { 0x46E, 0x003F }, | |
481 | { 0x46F, 0x50F4 }, | |
482 | { 0x470, 0x003F }, | |
483 | { 0x471, 0x4827 }, | |
484 | { 0x472, 0x0830 }, | |
485 | { 0x473, 0x404E }, | |
486 | { 0x474, 0x083F }, | |
487 | { 0x475, 0x3950 }, | |
488 | { 0x476, 0x0420 }, | |
489 | { 0x477, 0x3314 }, | |
490 | { 0x478, 0x0430 }, | |
491 | { 0x479, 0x2D86 }, | |
492 | { 0x47A, 0x0430 }, | |
493 | { 0x47B, 0x2893 }, | |
494 | { 0x47C, 0x0430 }, | |
495 | { 0x47D, 0x203A }, | |
496 | { 0x47E, 0x0430 }, | |
497 | }; | |
498 | ||
499 | static const struct madera_hp_tuning cs47l90_hp_tuning[] = { | |
500 | { | |
501 | 1400, | |
502 | cs47l90_low_impedance_patch, | |
503 | ARRAY_SIZE(cs47l90_low_impedance_patch), | |
504 | }, | |
505 | { 2400, | |
506 | cs47l90_normal_impedance_patch, | |
507 | ARRAY_SIZE(cs47l90_normal_impedance_patch), | |
508 | }, | |
509 | { MADERA_HPDET_MAX_HOHM, | |
510 | cs47l90_high_impedance_patch, | |
511 | ARRAY_SIZE(cs47l90_high_impedance_patch), | |
512 | }, | |
513 | }; | |
514 | ||
505b5e40 SH |
515 | static const struct reg_sequence cs47l92_low_impedance_patch[] = { |
516 | { 0x460, 0x0C21 }, | |
517 | { 0x461, 0xB53C }, | |
518 | { 0x462, 0x0C21 }, | |
519 | { 0x463, 0xA186 }, | |
520 | { 0x464, 0x0C21 }, | |
521 | { 0x465, 0x8FF6 }, | |
522 | { 0x466, 0x0C21 }, | |
523 | { 0x467, 0x804E }, | |
524 | { 0x468, 0x0C21 }, | |
525 | { 0x469, 0x725A }, | |
526 | { 0x46A, 0x0C21 }, | |
527 | { 0x46B, 0x5AD5 }, | |
528 | { 0x46C, 0x0C21 }, | |
529 | { 0x46D, 0x50F4 }, | |
530 | { 0x46E, 0x0C21 }, | |
531 | { 0x46F, 0x4827 }, | |
532 | { 0x470, 0x0C21 }, | |
533 | { 0x471, 0x404E }, | |
534 | { 0x472, 0x0020 }, | |
535 | { 0x473, 0x3950 }, | |
536 | { 0x474, 0x0021 }, | |
537 | { 0x475, 0x3314 }, | |
538 | { 0x476, 0x0021 }, | |
539 | { 0x477, 0x2893 }, | |
540 | { 0x478, 0x0021 }, | |
541 | { 0x479, 0x2429 }, | |
542 | { 0x47A, 0x0821 }, | |
543 | { 0x47B, 0x203A }, | |
544 | { 0x47C, 0x0420 }, | |
545 | { 0x47D, 0x1027 }, | |
546 | { 0x47E, 0x0421 }, | |
547 | }; | |
548 | ||
549 | static const struct reg_sequence cs47l92_normal_impedance_patch[] = { | |
550 | { 0x460, 0x0C21 }, | |
551 | { 0x461, 0xB53C }, | |
552 | { 0x462, 0x0C21 }, | |
553 | { 0x463, 0xA186 }, | |
554 | { 0x464, 0x0C21 }, | |
555 | { 0x465, 0x8FF6 }, | |
556 | { 0x466, 0x0C21 }, | |
557 | { 0x467, 0x804E }, | |
558 | { 0x468, 0x0C21 }, | |
559 | { 0x469, 0x725A }, | |
560 | { 0x46A, 0x0C21 }, | |
561 | { 0x46B, 0x65EA }, | |
562 | { 0x46C, 0x0021 }, | |
563 | { 0x46D, 0x5AD5 }, | |
564 | { 0x46E, 0x0021 }, | |
565 | { 0x46F, 0x50F4 }, | |
566 | { 0x470, 0x0021 }, | |
567 | { 0x471, 0x4827 }, | |
568 | { 0x472, 0x0021 }, | |
569 | { 0x473, 0x404E }, | |
570 | { 0x474, 0x0021 }, | |
571 | { 0x475, 0x3950 }, | |
572 | { 0x476, 0x0821 }, | |
573 | { 0x477, 0x3314 }, | |
574 | { 0x478, 0x0420 }, | |
575 | { 0x479, 0x2D86 }, | |
576 | { 0x47A, 0x0421 }, | |
577 | { 0x47B, 0x2893 }, | |
578 | { 0x47C, 0x0421 }, | |
579 | { 0x47D, 0x203A }, | |
580 | { 0x47E, 0x0421 }, | |
581 | }; | |
582 | ||
583 | static const struct reg_sequence cs47l92_high_impedance_patch[] = { | |
584 | { 0x460, 0x0C21 }, | |
585 | { 0x461, 0xB53C }, | |
586 | { 0x462, 0x0C21 }, | |
587 | { 0x463, 0xA186 }, | |
588 | { 0x464, 0x0C21 }, | |
589 | { 0x465, 0x8FF6 }, | |
590 | { 0x466, 0x0021 }, | |
591 | { 0x467, 0x804E }, | |
592 | { 0x468, 0x0021 }, | |
593 | { 0x469, 0x725A }, | |
594 | { 0x46A, 0x0021 }, | |
595 | { 0x46B, 0x65EA }, | |
596 | { 0x46C, 0x0021 }, | |
597 | { 0x46D, 0x5AD5 }, | |
598 | { 0x46E, 0x0021 }, | |
599 | { 0x46F, 0x50F4 }, | |
600 | { 0x470, 0x0021 }, | |
601 | { 0x471, 0x4827 }, | |
602 | { 0x472, 0x0821 }, | |
603 | { 0x473, 0x404E }, | |
604 | { 0x474, 0x0821 }, | |
605 | { 0x475, 0x3950 }, | |
606 | { 0x476, 0x0420 }, | |
607 | { 0x477, 0x3314 }, | |
608 | { 0x478, 0x0421 }, | |
609 | { 0x479, 0x2D86 }, | |
610 | { 0x47A, 0x0421 }, | |
611 | { 0x47B, 0x2893 }, | |
612 | { 0x47C, 0x0421 }, | |
613 | { 0x47D, 0x203A }, | |
614 | { 0x47E, 0x0421 }, | |
615 | }; | |
616 | ||
617 | static const struct madera_hp_tuning cs47l92_hp_tuning[] = { | |
618 | { | |
619 | 1400, | |
620 | cs47l92_low_impedance_patch, | |
621 | ARRAY_SIZE(cs47l92_low_impedance_patch), | |
622 | }, | |
623 | { 2400, | |
624 | cs47l92_normal_impedance_patch, | |
625 | ARRAY_SIZE(cs47l92_normal_impedance_patch), | |
626 | }, | |
627 | { MADERA_HPDET_MAX_HOHM, | |
628 | cs47l92_high_impedance_patch, | |
629 | ARRAY_SIZE(cs47l92_high_impedance_patch), | |
630 | }, | |
631 | }; | |
632 | ||
b9addd21 RF |
633 | static ssize_t madera_extcon_show(struct device *dev, |
634 | struct device_attribute *attr, | |
635 | char *buf) | |
636 | { | |
637 | struct platform_device *pdev = to_platform_device(dev); | |
638 | struct madera_extcon *info = platform_get_drvdata(pdev); | |
639 | ||
640 | return scnprintf(buf, PAGE_SIZE, "%d\n", | |
641 | info->madera->hp_impedance_x100[0]); | |
642 | } | |
643 | ||
911d39ba | 644 | static DEVICE_ATTR(hp1_impedance, 0444, madera_extcon_show, NULL); |
b9addd21 RF |
645 | |
646 | inline void madera_extcon_report(struct madera_extcon *info, | |
647 | int which, bool attached) | |
648 | { | |
649 | int ret; | |
650 | ||
58a080d7 | 651 | dev_warn(info->dev, "Extcon report: %d is %s\n", |
c34020f4 | 652 | which, attached ? "attached" : "removed"); |
b9addd21 RF |
653 | |
654 | ret = extcon_set_state_sync(info->edev, which, attached); | |
655 | if (ret != 0) | |
c34020f4 SH |
656 | dev_warn(info->dev, "Failed to report cable state: %d\n", ret); |
657 | ||
658 | if (IS_ENABLED(CONFIG_EXTCON_MADERA_INPUT_EVENT)) { | |
659 | switch (which) { | |
660 | case EXTCON_MECHANICAL: | |
661 | input_report_switch(info->input, | |
662 | SW_JACK_PHYSICAL_INSERT, | |
663 | attached); | |
664 | break; | |
665 | case EXTCON_JACK_HEADPHONE: | |
666 | input_report_switch(info->input, | |
667 | SW_HEADPHONE_INSERT, | |
668 | attached); | |
669 | break; | |
670 | case EXTCON_JACK_MICROPHONE: | |
671 | input_report_switch(info->input, | |
672 | SW_MICROPHONE_INSERT, | |
673 | attached); | |
674 | break; | |
449044bb SKR |
675 | case EXTCON_JACK_LINE_OUT: |
676 | input_report_switch(info->input, | |
677 | SW_LINEOUT_INSERT, | |
678 | attached); | |
679 | break; | |
c34020f4 SH |
680 | } |
681 | ||
682 | input_sync(info->input); | |
683 | } | |
b9addd21 RF |
684 | } |
685 | EXPORT_SYMBOL_GPL(madera_extcon_report); | |
686 | ||
687 | static | |
688 | enum madera_accdet_mode madera_jds_get_mode(struct madera_extcon *info) | |
689 | { | |
690 | if (info->state) | |
691 | return info->state->mode; | |
692 | else | |
693 | return MADERA_ACCDET_MODE_INVALID; | |
694 | } | |
695 | ||
696 | int madera_jds_set_state(struct madera_extcon *info, | |
697 | const struct madera_jd_state *new_state) | |
698 | { | |
699 | int ret = 0; | |
700 | ||
701 | if (new_state != info->state) { | |
702 | if (info->state) | |
703 | info->state->stop(info); | |
704 | ||
705 | info->state = new_state; | |
706 | ||
707 | if (info->state) { | |
708 | ret = info->state->start(info); | |
709 | if (ret < 0) | |
710 | info->state = NULL; | |
711 | } | |
712 | } | |
713 | ||
714 | return ret; | |
715 | } | |
716 | EXPORT_SYMBOL_GPL(madera_jds_set_state); | |
717 | ||
718 | static void madera_jds_reading(struct madera_extcon *info, int val) | |
719 | { | |
720 | int ret; | |
721 | ||
722 | ret = info->state->reading(info, val); | |
723 | ||
724 | if (ret == -EAGAIN && info->state->restart) | |
725 | info->state->restart(info); | |
726 | } | |
727 | ||
728 | static inline bool madera_jds_cancel_timeout(struct madera_extcon *info) | |
729 | { | |
730 | return cancel_delayed_work_sync(&info->state_timeout_work); | |
731 | } | |
732 | ||
733 | static void madera_jds_start_timeout(struct madera_extcon *info) | |
734 | { | |
735 | const struct madera_jd_state *state = info->state; | |
736 | ||
737 | if (!state) | |
738 | return; | |
739 | ||
740 | if (state->timeout_ms && state->timeout) { | |
741 | int ms = state->timeout_ms(info); | |
742 | ||
743 | schedule_delayed_work(&info->state_timeout_work, | |
744 | msecs_to_jiffies(ms)); | |
745 | } | |
746 | } | |
747 | ||
748 | static void madera_jds_timeout_work(struct work_struct *work) | |
749 | { | |
750 | struct madera_extcon *info = | |
751 | container_of(work, struct madera_extcon, | |
752 | state_timeout_work.work); | |
753 | ||
754 | mutex_lock(&info->lock); | |
755 | ||
756 | if (!info->state) { | |
757 | dev_warn(info->dev, "Spurious timeout in idle state\n"); | |
758 | } else if (!info->state->timeout) { | |
759 | dev_warn(info->dev, "Spurious timeout state.mode=%d\n", | |
760 | info->state->mode); | |
761 | } else { | |
762 | info->state->timeout(info); | |
763 | madera_jds_start_timeout(info); | |
764 | } | |
765 | ||
766 | mutex_unlock(&info->lock); | |
767 | } | |
768 | ||
769 | static void madera_extcon_hp_clamp(struct madera_extcon *info, bool clamp) | |
770 | { | |
771 | struct madera *madera = info->madera; | |
e0d9a12c | 772 | unsigned int mask = 0, ep_mask = 0, val = 0; |
b9addd21 RF |
773 | int ret; |
774 | ||
775 | snd_soc_dapm_mutex_lock(madera->dapm); | |
776 | ||
777 | switch (madera->type) { | |
0a562e73 | 778 | case CS47L15: |
b9addd21 | 779 | case CS47L35: |
e0d9a12c | 780 | ep_mask = MADERA_EP_SEL_MASK; |
d5353e42 | 781 | break; |
b9addd21 RF |
782 | case CS47L85: |
783 | case WM1840: | |
b9addd21 RF |
784 | break; |
785 | default: | |
786 | mask = MADERA_HPD_OVD_ENA_SEL_MASK; | |
e0d9a12c | 787 | if (!clamp) |
b9addd21 RF |
788 | val = MADERA_HPD_OVD_ENA_SEL_MASK; |
789 | else | |
790 | val = 0; | |
791 | break; | |
792 | } | |
793 | ||
794 | madera->out_clamp[0] = clamp; | |
795 | ||
e0d9a12c | 796 | /* Keep the HP output stages disabled while disabling the clamp */ |
797 | if (!clamp) { | |
b9addd21 RF |
798 | ret = regmap_update_bits(madera->regmap, |
799 | MADERA_OUTPUT_ENABLES_1, | |
e0d9a12c | 800 | ep_mask | |
801 | ((MADERA_OUT1L_ENA | | |
a31d12c2 | 802 | MADERA_OUT1R_ENA) << |
e0d9a12c | 803 | (2 * (info->pdata->output - 1))), |
a31d12c2 | 804 | 0); |
b9addd21 RF |
805 | if (ret) |
806 | dev_warn(info->dev, | |
807 | "Failed to disable headphone outputs: %d\n", | |
808 | ret); | |
809 | } | |
810 | ||
e0d9a12c | 811 | dev_dbg(info->dev, "%s clamp mask=0x%x val=0x%x\n", |
b9addd21 RF |
812 | clamp ? "Setting" : "Clearing", mask, val); |
813 | ||
814 | switch (madera->type) { | |
815 | case CS47L35: | |
816 | case CS47L85: | |
817 | case WM1840: | |
b9addd21 RF |
818 | break; |
819 | default: | |
820 | ret = regmap_update_bits(madera->regmap, | |
821 | MADERA_HEADPHONE_DETECT_0, | |
822 | MADERA_HPD_OVD_ENA_SEL_MASK, | |
823 | val); | |
824 | if (ret) | |
825 | dev_warn(info->dev, "Failed to do clamp: %d\n", ret); | |
826 | break; | |
827 | } | |
828 | ||
e0d9a12c | 829 | /* Restore the desired state when restoring the clamp */ |
830 | if (clamp) { | |
831 | if (ep_mask) { | |
832 | ret = regmap_update_bits(madera->regmap, | |
833 | MADERA_OUTPUT_ENABLES_1, | |
834 | ep_mask, madera->ep_sel); | |
835 | if (ret) | |
836 | dev_warn(info->dev, | |
837 | "Failed to restore output demux: %d\n", | |
838 | ret); | |
839 | } | |
840 | ||
84fe47af RF |
841 | madera->out_shorted[0] = (madera->hp_impedance_x100[0] <= |
842 | info->hpdet_short_x100); | |
843 | ||
e0d9a12c | 844 | if (!madera->out_shorted[0]) { |
84fe47af RF |
845 | ret = regmap_update_bits(madera->regmap, |
846 | MADERA_OUTPUT_ENABLES_1, | |
847 | (MADERA_OUT1L_ENA | | |
d48f6186 | 848 | MADERA_OUT1R_ENA) << |
84fe47af RF |
849 | (2 * (info->pdata->output - 1)), |
850 | madera->hp_ena); | |
851 | if (ret) | |
852 | dev_warn(info->dev, | |
853 | "Failed to restore headphone outputs: %d\n", | |
854 | ret); | |
855 | } | |
b9addd21 RF |
856 | } |
857 | ||
858 | snd_soc_dapm_mutex_unlock(madera->dapm); | |
859 | } | |
860 | ||
861 | static const char *madera_extcon_get_micbias_src(struct madera_extcon *info) | |
862 | { | |
863 | struct madera *madera = info->madera; | |
864 | unsigned int bias = info->micd_modes[info->micd_mode].bias; | |
865 | ||
866 | switch (madera->type) { | |
0a562e73 CK |
867 | case CS47L15: |
868 | switch (bias) { | |
869 | case 0: | |
870 | case 1: | |
871 | case 2: | |
872 | return "MICBIAS1"; | |
873 | default: | |
874 | return "MICVDD"; | |
875 | } | |
876 | break; | |
b9addd21 RF |
877 | case CS47L35: |
878 | case CS47L85: | |
879 | case WM1840: | |
880 | return NULL; | |
881 | case CS47L90: | |
882 | case CS47L91: | |
883 | switch (bias) { | |
884 | case 0: | |
885 | case 1: | |
886 | case 2: | |
887 | case 3: | |
888 | return "MICBIAS1"; | |
889 | case 4: | |
890 | case 5: | |
891 | case 6: | |
892 | case 7: | |
893 | return "MICBIAS2"; | |
894 | default: | |
895 | return "MICVDD"; | |
896 | } | |
897 | break; | |
505b5e40 SH |
898 | case CS47L92: |
899 | case CS47L93: | |
900 | switch (bias) { | |
901 | case 0: | |
902 | case 1: | |
903 | case 2: | |
904 | case 3: | |
905 | return "MICBIAS1"; | |
906 | case 4: | |
907 | case 5: | |
908 | return "MICBIAS2"; | |
909 | default: | |
910 | return "MICVDD"; | |
911 | } | |
912 | break; | |
b9addd21 RF |
913 | default: |
914 | return NULL; | |
915 | } | |
916 | } | |
917 | ||
918 | static const char *madera_extcon_get_micbias(struct madera_extcon *info) | |
919 | { | |
920 | struct madera *madera = info->madera; | |
921 | unsigned int bias = info->micd_modes[info->micd_mode].bias; | |
922 | ||
923 | switch (madera->type) { | |
0a562e73 CK |
924 | case CS47L15: |
925 | switch (bias) { | |
926 | case 0: | |
927 | return "MICBIAS1A"; | |
928 | case 1: | |
929 | return "MICBIAS1B"; | |
930 | case 2: | |
931 | return "MICBIAS1C"; | |
932 | default: | |
933 | return "MICVDD"; | |
934 | } | |
b9addd21 RF |
935 | case CS47L35: |
936 | switch (bias) { | |
937 | case 1: | |
938 | return "MICBIAS1A"; | |
939 | case 2: | |
940 | return "MICBIAS1B"; | |
941 | case 3: | |
942 | return "MICBIAS2A"; | |
943 | default: | |
944 | return "MICVDD"; | |
945 | } | |
946 | case CS47L85: | |
947 | case WM1840: | |
948 | switch (bias) { | |
949 | case 1: | |
950 | return "MICBIAS1"; | |
951 | case 2: | |
952 | return "MICBIAS2"; | |
953 | case 3: | |
954 | return "MICBIAS3"; | |
955 | case 4: | |
956 | return "MICBIAS4"; | |
957 | default: | |
958 | return "MICVDD"; | |
959 | } | |
960 | case CS47L90: | |
961 | case CS47L91: | |
962 | switch (bias) { | |
963 | case 0: | |
964 | return "MICBIAS1A"; | |
965 | case 1: | |
966 | return "MICBIAS1B"; | |
967 | case 2: | |
968 | return "MICBIAS1C"; | |
969 | case 3: | |
970 | return "MICBIAS1D"; | |
971 | case 4: | |
972 | return "MICBIAS2A"; | |
973 | case 5: | |
974 | return "MICBIAS2B"; | |
975 | case 6: | |
976 | return "MICBIAS2C"; | |
977 | case 7: | |
978 | return "MICBIAS2D"; | |
979 | default: | |
980 | return "MICVDD"; | |
981 | } | |
505b5e40 SH |
982 | case CS47L92: |
983 | case CS47L93: | |
984 | switch (bias) { | |
985 | case 0: | |
986 | return "MICBIAS1A"; | |
987 | case 1: | |
988 | return "MICBIAS1B"; | |
989 | case 2: | |
990 | return "MICBIAS1C"; | |
991 | case 3: | |
992 | return "MICBIAS1D"; | |
993 | case 4: | |
994 | return "MICBIAS2A"; | |
995 | case 5: | |
996 | return "MICBIAS2B"; | |
997 | default: | |
998 | return "MICVDD"; | |
999 | } | |
b9addd21 RF |
1000 | default: |
1001 | return NULL; | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | static void madera_extcon_enable_micbias_pin(struct madera_extcon *info, | |
1006 | const char *widget) | |
1007 | { | |
1008 | struct madera *madera = info->madera; | |
1009 | struct snd_soc_dapm_context *dapm = madera->dapm; | |
1010 | int ret; | |
1011 | ||
1012 | ret = snd_soc_dapm_force_enable_pin(dapm, widget); | |
1013 | if (ret) | |
1014 | dev_warn(info->dev, "Failed to enable %s: %d\n", widget, ret); | |
1015 | ||
1016 | snd_soc_dapm_sync(dapm); | |
1017 | ||
58a080d7 | 1018 | dev_warn(info->dev, "Enabled %s\n", widget); |
b9addd21 RF |
1019 | } |
1020 | ||
1021 | static void madera_extcon_disable_micbias_pin(struct madera_extcon *info, | |
1022 | const char *widget) | |
1023 | { | |
1024 | struct madera *madera = info->madera; | |
1025 | struct snd_soc_dapm_context *dapm = madera->dapm; | |
1026 | int ret; | |
1027 | ||
1028 | ret = snd_soc_dapm_disable_pin(dapm, widget); | |
1029 | if (ret) | |
1030 | dev_warn(info->dev, "Failed to enable %s: %d\n", widget, ret); | |
1031 | ||
1032 | snd_soc_dapm_sync(dapm); | |
1033 | ||
58a080d7 | 1034 | dev_warn(info->dev, "Disabled %s\n", widget); |
b9addd21 RF |
1035 | } |
1036 | ||
1037 | static void madera_extcon_set_micd_bias(struct madera_extcon *info, bool enable) | |
1038 | { | |
1039 | int old_bias = info->micd_bias.bias; | |
1040 | int new_bias = info->micd_modes[info->micd_mode].bias; | |
1041 | const char *widget; | |
1042 | ||
1043 | info->micd_bias.bias = new_bias; | |
1044 | ||
1045 | if ((new_bias == old_bias) && (info->micd_bias.enabled == enable)) | |
1046 | return; | |
1047 | ||
1048 | widget = madera_extcon_get_micbias_src(info); | |
1049 | WARN_ON(!widget); | |
1050 | ||
1051 | if (info->micd_bias.enabled) | |
1052 | madera_extcon_disable_micbias_pin(info, widget); | |
1053 | ||
1054 | if (enable) | |
1055 | madera_extcon_enable_micbias_pin(info, widget); | |
1056 | ||
1057 | info->micd_bias.enabled = enable; | |
1058 | } | |
1059 | ||
1060 | static void madera_extcon_enable_micbias(struct madera_extcon *info) | |
1061 | { | |
1062 | struct madera *madera = info->madera; | |
1063 | const char *widget = madera_extcon_get_micbias(info); | |
1064 | ||
1065 | switch (madera->type) { | |
1066 | case CS47L35: | |
1067 | case CS47L85: | |
1068 | case WM1840: | |
1069 | break; | |
1070 | default: | |
1071 | madera_extcon_set_micd_bias(info, true); | |
1072 | break; | |
1073 | } | |
1074 | ||
1075 | /* | |
1076 | * If forced we must manually control the pin state, otherwise | |
1077 | * the codec will manage this automatically | |
1078 | */ | |
1079 | if (info->pdata->micd_force_micbias) | |
1080 | madera_extcon_enable_micbias_pin(info, widget); | |
1081 | } | |
1082 | ||
1083 | static void madera_extcon_disable_micbias(struct madera_extcon *info) | |
1084 | { | |
1085 | struct madera *madera = info->madera; | |
1086 | const char *widget = madera_extcon_get_micbias(info); | |
1087 | ||
1088 | switch (madera->type) { | |
1089 | case CS47L35: | |
1090 | case CS47L85: | |
1091 | case WM1840: | |
1092 | break; | |
1093 | default: | |
1094 | madera_extcon_set_micd_bias(info, false); | |
1095 | break; | |
1096 | } | |
1097 | ||
1098 | /* | |
1099 | * If forced we must manually control the pin state, otherwise | |
1100 | * the codec will manage this automatically | |
1101 | */ | |
1102 | if (info->pdata->micd_force_micbias) | |
1103 | madera_extcon_disable_micbias_pin(info, widget); | |
1104 | } | |
1105 | ||
1106 | static void madera_extcon_set_mode(struct madera_extcon *info, int mode) | |
1107 | { | |
1108 | struct madera *madera = info->madera; | |
1109 | ||
58a080d7 | 1110 | dev_warn(info->dev, |
b9addd21 RF |
1111 | "set mic_mode[%d] src=0x%x gnd=0x%x bias=0x%x gpio=%d hp_gnd=%d\n", |
1112 | mode, info->micd_modes[mode].src, info->micd_modes[mode].gnd, | |
1113 | info->micd_modes[mode].bias, info->micd_modes[mode].gpio, | |
1114 | info->micd_modes[mode].hp_gnd); | |
1115 | ||
7bfcffd1 | 1116 | if (info->micd_pol_gpio) |
b9addd21 RF |
1117 | gpiod_set_value_cansleep(info->micd_pol_gpio, |
1118 | info->micd_modes[mode].gpio); | |
1119 | ||
1120 | switch (madera->type) { | |
1121 | case CS47L35: | |
1122 | case CS47L85: | |
1123 | case WM1840: | |
1124 | regmap_update_bits(madera->regmap, | |
1125 | MADERA_MIC_DETECT_1_CONTROL_1, | |
1126 | MADERA_MICD_BIAS_SRC_MASK, | |
1127 | info->micd_modes[mode].bias << | |
1128 | MADERA_MICD_BIAS_SRC_SHIFT); | |
1129 | regmap_update_bits(madera->regmap, | |
1130 | MADERA_ACCESSORY_DETECT_MODE_1, | |
1131 | MADERA_ACCDET_SRC, | |
1132 | info->micd_modes[mode].src << | |
1133 | MADERA_ACCDET_SRC_SHIFT); | |
1134 | break; | |
1135 | default: | |
1136 | regmap_update_bits(madera->regmap, | |
1137 | MADERA_MIC_DETECT_1_CONTROL_1, | |
1138 | MADERA_MICD_BIAS_SRC_MASK, | |
1139 | info->micd_modes[mode].bias << | |
1140 | MADERA_MICD_BIAS_SRC_SHIFT); | |
1141 | regmap_update_bits(madera->regmap, | |
1142 | MADERA_MIC_DETECT_1_CONTROL_0, | |
1143 | MADERA_MICD1_SENSE_MASK, | |
1144 | info->micd_modes[mode].src << | |
1145 | MADERA_MICD1_SENSE_SHIFT); | |
1146 | regmap_update_bits(madera->regmap, | |
1147 | MADERA_MIC_DETECT_1_CONTROL_0, | |
1148 | MADERA_MICD1_GND_MASK, | |
1149 | info->micd_modes[mode].gnd << | |
1150 | MADERA_MICD1_GND_SHIFT); | |
1151 | regmap_update_bits(madera->regmap, | |
1152 | MADERA_HEADPHONE_DETECT_0, | |
1153 | MADERA_HPD_GND_SEL_MASK, | |
1154 | info->micd_modes[mode].gnd << | |
1155 | MADERA_HPD_GND_SEL_SHIFT); | |
1156 | regmap_update_bits(madera->regmap, | |
a31d12c2 SH |
1157 | MADERA_OUTPUT_PATH_CONFIG_1 + |
1158 | (8 * (info->pdata->output - 1)), | |
b9addd21 RF |
1159 | MADERA_HP1_GND_SEL_MASK, |
1160 | info->micd_modes[mode].hp_gnd << | |
1161 | MADERA_HP1_GND_SEL_SHIFT); | |
1162 | break; | |
1163 | } | |
1164 | ||
1165 | info->micd_mode = mode; | |
1166 | } | |
1167 | ||
1168 | static void madera_extcon_next_mode(struct madera_extcon *info) | |
1169 | { | |
1170 | int old_mode = info->micd_mode; | |
1171 | int new_mode; | |
1172 | bool change_bias = false; | |
1173 | ||
1174 | new_mode = (old_mode + 1) % info->num_micd_modes; | |
1175 | ||
58a080d7 | 1176 | dev_warn(info->dev, "change micd mode %d->%d (bias %d->%d)\n", |
b9addd21 RF |
1177 | old_mode, new_mode, |
1178 | info->micd_modes[old_mode].bias, | |
1179 | info->micd_modes[new_mode].bias); | |
1180 | ||
1181 | if (info->micd_modes[old_mode].bias != | |
1182 | info->micd_modes[new_mode].bias) { | |
1183 | change_bias = true; | |
1184 | ||
1185 | madera_extcon_disable_micbias(info); | |
1186 | } | |
1187 | ||
1188 | madera_extcon_set_mode(info, new_mode); | |
1189 | ||
1190 | if (change_bias) | |
1191 | madera_extcon_enable_micbias(info); | |
1192 | } | |
1193 | ||
1194 | static int madera_micd_adc_read(struct madera_extcon *info) | |
1195 | { | |
1196 | struct madera *madera = info->madera; | |
1197 | unsigned int val = 0; | |
1198 | int ret; | |
1199 | ||
1200 | /* Must disable MICD before we read the ADCVAL */ | |
1201 | ret = regmap_update_bits(madera->regmap, MADERA_MIC_DETECT_1_CONTROL_1, | |
1202 | MADERA_MICD_ENA, 0); | |
1203 | if (ret) { | |
1204 | dev_err(info->dev, "Failed to disable MICD: %d\n", ret); | |
1205 | return ret; | |
1206 | } | |
1207 | ||
1208 | ret = regmap_read(madera->regmap, MADERA_MIC_DETECT_1_CONTROL_4, &val); | |
1209 | if (ret) { | |
1210 | dev_err(info->dev, "Failed to read MICDET_ADCVAL: %d\n", ret); | |
1211 | return ret; | |
1212 | } | |
1213 | ||
58a080d7 | 1214 | dev_warn(info->dev, "MICDET_ADCVAL: 0x%x\n", val); |
b9addd21 RF |
1215 | |
1216 | val &= MADERA_MICDET_ADCVAL_MASK; | |
1217 | if (val < ARRAY_SIZE(madera_micd_levels)) | |
1218 | val = madera_micd_levels[val]; | |
1219 | else | |
1220 | val = INT_MAX; | |
1221 | ||
1222 | return val; | |
1223 | } | |
1224 | ||
1225 | static int madera_micd_read(struct madera_extcon *info) | |
1226 | { | |
1227 | struct madera *madera = info->madera; | |
1228 | unsigned int val = 0; | |
1229 | int ret, i; | |
1230 | ||
1231 | for (i = 0; i < 10 && !(val & MADERA_MICD_LVL_0_TO_8); i++) { | |
1232 | ret = regmap_read(madera->regmap, | |
1233 | MADERA_MIC_DETECT_1_CONTROL_3, &val); | |
1234 | if (ret) { | |
1235 | dev_err(info->dev, | |
1236 | "Failed to read MICDET: %d\n", ret); | |
1237 | return ret; | |
1238 | } | |
1239 | ||
58a080d7 | 1240 | dev_warn(info->dev, "MICDET: 0x%x\n", val); |
b9addd21 RF |
1241 | |
1242 | if (!(val & MADERA_MICD_VALID)) { | |
1243 | dev_warn(info->dev, | |
1244 | "Microphone detection state invalid\n"); | |
1245 | return -EINVAL; | |
1246 | } | |
1247 | } | |
1248 | ||
1249 | if (i == 10 && !(val & MADERA_MICD_LVL_0_TO_8)) { | |
1250 | dev_warn(info->dev, "Failed to get valid MICDET value\n"); | |
1251 | return -EINVAL; | |
1252 | } | |
1253 | ||
1254 | if (!(val & MADERA_MICD_STS)) { | |
1255 | val = INT_MAX; | |
1256 | } else if (!(val & MADERA_MICD_LVL_0_TO_7)) { | |
1257 | val = madera_micd_levels[ARRAY_SIZE(madera_micd_levels) - 1]; | |
1258 | } else { | |
1259 | int lvl; | |
1260 | ||
1261 | lvl = (val & MADERA_MICD_LVL_MASK) >> MADERA_MICD_LVL_SHIFT; | |
1262 | lvl = ffs(lvl) - 1; | |
1263 | ||
1264 | if (lvl < info->num_micd_ranges) { | |
1265 | val = info->micd_ranges[lvl].max; | |
1266 | } else { | |
1267 | i = ARRAY_SIZE(madera_micd_levels) - 2; | |
1268 | val = madera_micd_levels[i]; | |
1269 | } | |
1270 | } | |
1271 | ||
1272 | return val; | |
1273 | } | |
1274 | ||
1275 | static void madera_extcon_notify_micd(const struct madera_extcon *info, | |
1276 | bool present, | |
1277 | unsigned int impedance) | |
1278 | { | |
1279 | struct madera_micdet_notify_data data; | |
1280 | ||
1281 | data.present = present; | |
1282 | data.impedance_x100 = madera_ohm_to_hohm(impedance); | |
a31d12c2 | 1283 | data.out_num = info->pdata->output; |
58a080d7 | 1284 | dev_warn(info->dev, "madera_extcon_notify_micd mic impedance is : %d, present is %d \n", data.impedance_x100,present); |
b9addd21 RF |
1285 | madera_call_notifiers(info->madera, MADERA_NOTIFY_MICDET, &data); |
1286 | } | |
1287 | ||
1288 | static int madera_hpdet_calc_calibration(const struct madera_extcon *info, | |
1289 | int dacval, | |
1290 | const struct madera_hpdet_trims *trims, | |
1291 | const struct madera_hpdet_calibration_data *calib) | |
1292 | { | |
1293 | int grad_x4 = trims->grad_x4; | |
1294 | int off_x4 = trims->off_x4; | |
1295 | s64 val = dacval; | |
1296 | s64 n; | |
1297 | ||
1298 | val = (val * 1000000) + calib->dacval_adjust; | |
1299 | val = div64_s64(val, calib->C2); | |
1300 | ||
1301 | n = div_s64(1000000000000LL, calib->C3 + | |
1302 | ((calib->C4_x_C3 * grad_x4) / 4)); | |
1303 | n = val - n; | |
1304 | if (n <= 0) | |
1305 | return MADERA_HPDET_MAX_HOHM; | |
1306 | ||
1307 | val = calib->C0 + ((calib->C1 * off_x4) / 4); | |
1308 | val *= 1000000; | |
1309 | ||
1310 | val = div_s64(val, n); | |
1311 | val -= calib->C5; | |
1312 | ||
1313 | /* Round up and divide to get hundredths of an ohm */ | |
1314 | val += 500000; | |
1315 | val = div_s64(val, 10000); | |
1316 | ||
1317 | if (val < 0) | |
1318 | return 0; | |
1319 | else if (val > MADERA_HPDET_MAX_HOHM) | |
1320 | return MADERA_HPDET_MAX_HOHM; | |
1321 | ||
1322 | return (int)val; | |
1323 | } | |
1324 | ||
1325 | static int madera_hpdet_calibrate(struct madera_extcon *info, | |
1326 | unsigned int range, unsigned int *ohms_x100) | |
1327 | { | |
1328 | struct madera *madera = info->madera; | |
1329 | unsigned int dacval, dacval_down; | |
1330 | int ret; | |
1331 | ||
1332 | ret = regmap_read(madera->regmap, MADERA_HEADPHONE_DETECT_3, &dacval); | |
1333 | if (ret) { | |
1334 | dev_err(info->dev, "Failed to read HP DACVAL: %d\n", ret); | |
1335 | return -EAGAIN; | |
1336 | } | |
1337 | ||
1338 | dacval = (dacval >> MADERA_HP_DACVAL_SHIFT) & MADERA_HP_DACVAL_MASK; | |
1339 | ||
1340 | switch (madera->type) { | |
1341 | case CS47L35: | |
1342 | case CS47L85: | |
1343 | case WM1840: | |
1344 | ret = regmap_read(madera->regmap, MADERA_HEADPHONE_DETECT_5, | |
1345 | &dacval_down); | |
1346 | if (ret) { | |
1347 | dev_err(info->dev, | |
1348 | "Failed to read HP DACVAL_down: %d\n", ret); | |
1349 | return -EAGAIN; | |
1350 | } | |
1351 | ||
1352 | dacval_down = (dacval_down >> MADERA_HP_DACVAL_DOWN_SHIFT) & | |
1353 | MADERA_HP_DACVAL_DOWN_MASK; | |
1354 | ||
1355 | dacval = (dacval + dacval_down) / 2; | |
1356 | break; | |
1357 | default: | |
1358 | break; | |
1359 | } | |
1360 | ||
58a080d7 | 1361 | dev_warn(info->dev, |
b9addd21 RF |
1362 | "hpdet_d calib range %d dac %d\n", range, dacval); |
1363 | ||
1364 | *ohms_x100 = madera_hpdet_calc_calibration(info, dacval, | |
1365 | &info->hpdet_trims[range], | |
1366 | &info->hpdet_ranges[range]); | |
1367 | return 0; | |
1368 | } | |
1369 | ||
1370 | static int madera_hpdet_read(struct madera_extcon *info) | |
1371 | { | |
1372 | struct madera *madera = info->madera; | |
1373 | unsigned int val, range, sense_pin, ohms_x100; | |
1374 | int ret; | |
1375 | bool is_jdx_micdetx_pin = false; | |
1376 | int hpdet_ext_res_x100; | |
1377 | ||
58a080d7 | 1378 | dev_warn(info->dev, "HPDET read\n"); |
b9addd21 RF |
1379 | |
1380 | ret = regmap_read(madera->regmap, MADERA_HEADPHONE_DETECT_2, &val); | |
1381 | if (ret) { | |
1382 | dev_err(info->dev, "Failed to read HPDET status: %d\n", ret); | |
1383 | return ret; | |
1384 | } | |
1385 | ||
1386 | if (!(val & MADERA_HP_DONE_MASK)) { | |
1387 | dev_warn(info->dev, "HPDET did not complete: %x\n", val); | |
1388 | return -EAGAIN; | |
1389 | } | |
1390 | ||
1391 | switch (madera->type) { | |
1392 | case CS47L35: | |
1393 | case CS47L85: | |
1394 | case WM1840: | |
1395 | break; | |
1396 | default: | |
1397 | regmap_read(madera->regmap, MADERA_HEADPHONE_DETECT_0, | |
1398 | &sense_pin); | |
1399 | sense_pin = (sense_pin & MADERA_HPD_SENSE_SEL_MASK) >> | |
1400 | MADERA_HPD_SENSE_SEL_SHIFT; | |
1401 | ||
1402 | switch (sense_pin) { | |
1403 | case MADERA_HPD_SENSE_HPDET1: | |
1404 | case MADERA_HPD_SENSE_HPDET2: | |
1405 | is_jdx_micdetx_pin = false; | |
1406 | break; | |
1407 | default: | |
58a080d7 | 1408 | dev_warn(info->dev, "is_jdx_micdetx_pin\n"); |
b9addd21 RF |
1409 | is_jdx_micdetx_pin = true; |
1410 | } | |
1411 | break; | |
1412 | } | |
1413 | ||
1414 | val &= MADERA_HP_LVL_MASK; | |
1415 | /* The value is in 0.5 ohm increments, get it in hundredths */ | |
1416 | ohms_x100 = val * 50; | |
1417 | ||
1418 | if (is_jdx_micdetx_pin) | |
1419 | goto done; | |
1420 | ||
1421 | regmap_read(madera->regmap, MADERA_HEADPHONE_DETECT_1, &range); | |
1422 | range = (range & MADERA_HP_IMPEDANCE_RANGE_MASK) >> | |
1423 | MADERA_HP_IMPEDANCE_RANGE_SHIFT; | |
1424 | ||
1425 | /* Skip up a range, or report? */ | |
1426 | if (range < info->num_hpdet_ranges - 1 && | |
1427 | ((val / 2) >= info->hpdet_ranges[range].max)) { | |
1428 | range++; | |
58a080d7 | 1429 | dev_warn(info->dev, "Moving to HPDET range %d-%d\n", |
b9addd21 RF |
1430 | info->hpdet_ranges[range].min, |
1431 | info->hpdet_ranges[range].max); | |
1432 | ||
1433 | regmap_update_bits(madera->regmap, | |
1434 | MADERA_HEADPHONE_DETECT_1, | |
1435 | MADERA_HP_IMPEDANCE_RANGE_MASK, | |
1436 | range << | |
1437 | MADERA_HP_IMPEDANCE_RANGE_SHIFT); | |
1438 | return -EAGAIN; | |
1439 | } | |
1440 | ||
1441 | if (info->hpdet_trims) { | |
1442 | /* Perform calibration */ | |
1443 | ret = madera_hpdet_calibrate(info, range, &ohms_x100); | |
1444 | if (ret) | |
1445 | return ret; | |
1446 | } else { | |
1447 | /* Use uncalibrated reading */ | |
1448 | if (range && ((val / 2) < info->hpdet_ranges[range].min)) { | |
58a080d7 | 1449 | dev_warn(info->dev, |
b9addd21 RF |
1450 | "Reporting range boundary %d\n", |
1451 | info->hpdet_ranges[range].min); | |
1452 | ohms_x100 = | |
1453 | madera_ohm_to_hohm(info->hpdet_ranges[range].min); | |
1454 | } | |
1455 | } | |
1456 | ||
1457 | hpdet_ext_res_x100 = info->pdata->hpdet_ext_res_x100; | |
1458 | if (hpdet_ext_res_x100) { | |
1459 | if (hpdet_ext_res_x100 >= ohms_x100) { | |
58a080d7 | 1460 | dev_warn(info->dev, |
b9addd21 RF |
1461 | "External resistor (%d.%02d) >= measurement (%d.00)\n", |
1462 | hpdet_ext_res_x100 / 100, | |
1463 | hpdet_ext_res_x100 % 100, | |
1464 | val); | |
1465 | val = 0; /* treat as a short */ | |
1466 | } else { | |
58a080d7 | 1467 | dev_warn(info->dev, |
b9addd21 RF |
1468 | "Compensating for external %d.%02d ohm resistor\n", |
1469 | hpdet_ext_res_x100 / 100, | |
1470 | hpdet_ext_res_x100 % 100); | |
1471 | ||
1472 | ohms_x100 -= hpdet_ext_res_x100; | |
1473 | } | |
1474 | } | |
1475 | ||
1476 | done: | |
58a080d7 | 1477 | dev_warn(info->dev, "HP impedance %d.%02d ohms\n", |
b9addd21 RF |
1478 | ohms_x100 / 100, ohms_x100 % 100); |
1479 | ||
1480 | return (int)ohms_x100; | |
1481 | } | |
1482 | ||
1483 | static int madera_tune_headphone(struct madera_extcon *info, int reading) | |
1484 | { | |
1485 | struct madera *madera = info->madera; | |
1486 | const struct madera_hp_tuning *tuning; | |
b9addd21 RF |
1487 | int n_tunings; |
1488 | int i, ret; | |
1489 | ||
1490 | switch (madera->type) { | |
9064b926 CK |
1491 | case CS47L15: |
1492 | tuning = cs47l15_hp_tuning; | |
1493 | n_tunings = ARRAY_SIZE(cs47l15_hp_tuning); | |
1494 | break; | |
b9addd21 RF |
1495 | case CS47L35: |
1496 | tuning = cs47l35_hp_tuning; | |
1497 | n_tunings = ARRAY_SIZE(cs47l35_hp_tuning); | |
1498 | break; | |
1499 | case CS47L85: | |
1500 | case WM1840: | |
1501 | tuning = cs47l85_hp_tuning; | |
1502 | n_tunings = ARRAY_SIZE(cs47l85_hp_tuning); | |
1503 | break; | |
1504 | case CS47L90: | |
1505 | case CS47L91: | |
1506 | tuning = cs47l90_hp_tuning; | |
1507 | n_tunings = ARRAY_SIZE(cs47l90_hp_tuning); | |
1508 | break; | |
505b5e40 SH |
1509 | case CS47L92: |
1510 | case CS47L93: | |
1511 | tuning = cs47l92_hp_tuning; | |
1512 | n_tunings = ARRAY_SIZE(cs47l92_hp_tuning); | |
1513 | break; | |
b9addd21 RF |
1514 | default: |
1515 | return 0; | |
1516 | } | |
1517 | ||
24525eb3 | 1518 | if (reading <= info->hpdet_short_x100) { |
b9addd21 RF |
1519 | /* Headphones are always off here so just mark them */ |
1520 | dev_warn(info->dev, "Possible HP short, disabling\n"); | |
1521 | return 0; | |
1522 | } | |
1523 | ||
17a42959 SH |
1524 | if (reading == MADERA_HP_Z_OPEN) { |
1525 | if (info->hp_tuning_level == 1) | |
1526 | return 0; | |
1527 | ||
58a080d7 | 1528 | dev_warn(info->dev, "No jack: Setting tuning level 1\n"); |
17a42959 SH |
1529 | |
1530 | info->hp_tuning_level = 1; | |
1531 | ||
1532 | ret = regmap_multi_reg_write(madera->regmap, | |
1533 | tuning[1].patch, | |
1534 | tuning[1].patch_len); | |
1535 | return ret; | |
1536 | } | |
1537 | ||
b9addd21 RF |
1538 | /* |
1539 | * Check for tuning, we don't need to compare against the last | |
1540 | * tuning entry because we always select that if reading is not | |
1541 | * in range of the lower tunings | |
1542 | */ | |
1543 | for (i = 0; i < n_tunings - 1; ++i) { | |
1544 | if (reading <= tuning[i].max_hohm) | |
1545 | break; | |
1546 | } | |
1547 | ||
1548 | if (info->hp_tuning_level != i) { | |
58a080d7 | 1549 | dev_warn(info->dev, "New tuning level %d\n", i); |
b9addd21 RF |
1550 | |
1551 | info->hp_tuning_level = i; | |
1552 | ||
1553 | ret = regmap_multi_reg_write(madera->regmap, | |
1554 | tuning[i].patch, | |
1555 | tuning[i].patch_len); | |
1556 | if (ret) { | |
1557 | dev_err(info->dev, | |
1558 | "Failed to apply HP tuning %d\n", ret); | |
1559 | return ret; | |
1560 | } | |
1561 | } | |
1562 | ||
1563 | return 0; | |
1564 | } | |
1565 | ||
1566 | void madera_set_headphone_imp(struct madera_extcon *info, int ohms_x100) | |
1567 | { | |
1568 | struct madera *madera = info->madera; | |
1569 | struct madera_hpdet_notify_data data; | |
1570 | ||
1571 | madera->hp_impedance_x100[0] = ohms_x100; | |
1572 | ||
1573 | data.impedance_x100 = ohms_x100; | |
1574 | madera_call_notifiers(madera, MADERA_NOTIFY_HPDET, &data); | |
1575 | ||
1576 | madera_tune_headphone(info, ohms_x100); | |
1577 | } | |
1578 | EXPORT_SYMBOL_GPL(madera_set_headphone_imp); | |
1579 | ||
1580 | static void madera_hpdet_start_micd(struct madera_extcon *info) | |
1581 | { | |
1582 | struct madera *madera = info->madera; | |
1583 | ||
1584 | regmap_update_bits(madera->regmap, MADERA_IRQ1_MASK_6, | |
1585 | MADERA_IM_MICDET1_EINT1_MASK, | |
1586 | MADERA_IM_MICDET1_EINT1); | |
1587 | regmap_update_bits(madera->regmap, MADERA_MIC_DETECT_1_CONTROL_0, | |
1588 | MADERA_MICD1_ADC_MODE_MASK, | |
1589 | MADERA_MICD1_ADC_MODE_MASK); | |
1590 | regmap_update_bits(madera->regmap, MADERA_MIC_DETECT_1_CONTROL_1, | |
1591 | MADERA_MICD_BIAS_STARTTIME_MASK | | |
1592 | MADERA_MICD_RATE_MASK | | |
1593 | MADERA_MICD_DBTIME_MASK | | |
1594 | MADERA_MICD_ENA, MADERA_MICD_ENA); | |
1595 | } | |
1596 | ||
1597 | static void madera_hpdet_stop_micd(struct madera_extcon *info) | |
1598 | { | |
1599 | struct madera *madera = info->madera; | |
1600 | unsigned int start_time = 1, dbtime = 1, rate = 1; | |
1601 | ||
1602 | if (info->pdata->micd_bias_start_time) | |
1603 | start_time = info->pdata->micd_bias_start_time; | |
1604 | ||
1605 | if (info->pdata->micd_rate) | |
1606 | rate = info->pdata->micd_rate; | |
1607 | ||
1608 | if (info->pdata->micd_dbtime) | |
1609 | dbtime = info->pdata->micd_dbtime; | |
1610 | ||
1611 | regmap_update_bits(madera->regmap, MADERA_MIC_DETECT_1_CONTROL_1, | |
1612 | MADERA_MICD_BIAS_STARTTIME_MASK | | |
1613 | MADERA_MICD_RATE_MASK | | |
1614 | MADERA_MICD_DBTIME_MASK | | |
1615 | MADERA_MICD_ENA, | |
1616 | start_time << MADERA_MICD_BIAS_STARTTIME_SHIFT | | |
1617 | rate << MADERA_MICD_RATE_SHIFT | | |
1618 | dbtime << MADERA_MICD_DBTIME_SHIFT); | |
1619 | ||
1620 | usleep_range(100, 400); | |
1621 | ||
1622 | /* Clear any spurious IRQs that have happened */ | |
1623 | regmap_write(madera->regmap, MADERA_IRQ1_STATUS_6, | |
1624 | MADERA_MICDET1_EINT1); | |
1625 | regmap_update_bits(madera->regmap, MADERA_IRQ1_MASK_6, | |
1626 | MADERA_IM_MICDET1_EINT1_MASK, 0); | |
1627 | } | |
1628 | ||
1629 | int madera_hpdet_start(struct madera_extcon *info) | |
1630 | { | |
1631 | struct madera *madera = info->madera; | |
1632 | int ret; | |
1633 | unsigned int hpd_sense, hpd_clamp, val, hpd_gnd; | |
1634 | ||
58a080d7 | 1635 | dev_warn(info->dev, "Starting HPDET\n"); |
b9addd21 RF |
1636 | |
1637 | /* If we specified to assume a fixed impedance skip HPDET */ | |
1638 | if (info->pdata->fixed_hpdet_imp_x100) { | |
1639 | madera_set_headphone_imp(info, | |
1640 | info->pdata->fixed_hpdet_imp_x100); | |
1641 | ret = -EEXIST; | |
1642 | goto skip; | |
1643 | } | |
1644 | ||
1645 | /* Make sure we keep the device enabled during the measurement */ | |
1646 | pm_runtime_get_sync(info->dev); | |
1647 | ||
1648 | switch (madera->type) { | |
1649 | case CS47L35: | |
1650 | case CS47L85: | |
1651 | case WM1840: | |
e0d9a12c | 1652 | madera_extcon_hp_clamp(info, false); |
b9addd21 RF |
1653 | ret = regmap_update_bits(madera->regmap, |
1654 | MADERA_ACCESSORY_DETECT_MODE_1, | |
1655 | MADERA_ACCDET_MODE_MASK, | |
1656 | info->state->mode); | |
1657 | if (ret) { | |
1658 | dev_err(info->dev, | |
1659 | "Failed to set HPDET mode (%d): %d\n", | |
1660 | info->state->mode, | |
1661 | ret); | |
1662 | goto err; | |
1663 | } | |
1664 | break; | |
1665 | default: | |
1666 | if (info->state->mode == MADERA_ACCDET_MODE_HPL) { | |
1667 | hpd_clamp = info->pdata->hpd_pins[0]; | |
1668 | hpd_sense = info->pdata->hpd_pins[1]; | |
1669 | } else { | |
1670 | hpd_clamp = info->pdata->hpd_pins[2]; | |
1671 | hpd_sense = info->pdata->hpd_pins[3]; | |
1672 | } | |
1673 | ||
1674 | hpd_gnd = info->micd_modes[info->micd_mode].gnd; | |
1675 | ||
1676 | val = (hpd_sense << MADERA_HPD_SENSE_SEL_SHIFT) | | |
1677 | (hpd_clamp << MADERA_HPD_OUT_SEL_SHIFT) | | |
1678 | (hpd_sense << MADERA_HPD_FRC_SEL_SHIFT) | | |
1679 | (hpd_gnd << MADERA_HPD_GND_SEL_SHIFT); | |
1680 | ||
1681 | ret = regmap_update_bits(madera->regmap, | |
1682 | MADERA_MIC_DETECT_1_CONTROL_0, | |
1683 | MADERA_MICD1_GND_MASK, | |
1684 | hpd_gnd << MADERA_MICD1_GND_SHIFT); | |
1685 | if (ret) { | |
1686 | dev_err(madera->dev, "Failed to set MICD_GND: %d\n", | |
1687 | ret); | |
1688 | goto err; | |
1689 | } | |
1690 | ||
1691 | ret = regmap_update_bits(madera->regmap, | |
1692 | MADERA_HEADPHONE_DETECT_0, | |
1693 | MADERA_HPD_GND_SEL_MASK | | |
1694 | MADERA_HPD_SENSE_SEL_MASK | | |
1695 | MADERA_HPD_FRC_SEL_MASK | | |
1696 | MADERA_HPD_OUT_SEL_MASK, | |
1697 | val); | |
1698 | if (ret) { | |
1699 | dev_err(info->dev, | |
1700 | "Failed to set HPDET sense: %d\n", ret); | |
1701 | goto err; | |
1702 | } | |
e0d9a12c | 1703 | madera_extcon_hp_clamp(info, false); |
b9addd21 RF |
1704 | madera_hpdet_start_micd(info); |
1705 | break; | |
1706 | } | |
1707 | ||
1708 | ret = regmap_update_bits(madera->regmap, MADERA_HEADPHONE_DETECT_1, | |
1709 | MADERA_HP_POLL, MADERA_HP_POLL); | |
1710 | if (ret) { | |
1711 | dev_err(info->dev, "Can't start HPDET measurement: %d\n", ret); | |
1712 | goto err; | |
1713 | } | |
1714 | ||
1715 | return 0; | |
1716 | ||
1717 | err: | |
e0d9a12c | 1718 | madera_extcon_hp_clamp(info, true); |
b9addd21 RF |
1719 | |
1720 | pm_runtime_put_autosuspend(info->dev); | |
1721 | ||
1722 | skip: | |
1723 | return ret; | |
1724 | } | |
1725 | EXPORT_SYMBOL_GPL(madera_hpdet_start); | |
1726 | ||
1727 | void madera_hpdet_restart(struct madera_extcon *info) | |
1728 | { | |
1729 | struct madera *madera = info->madera; | |
1730 | ||
1731 | /* Reset back to starting range */ | |
1732 | regmap_update_bits(madera->regmap, MADERA_MIC_DETECT_1_CONTROL_1, | |
1733 | MADERA_MICD_ENA_MASK, 0); | |
1734 | ||
1735 | regmap_update_bits(madera->regmap, MADERA_HEADPHONE_DETECT_1, | |
8755ffa0 RF |
1736 | MADERA_HP_IMPEDANCE_RANGE_MASK | MADERA_HP_POLL, |
1737 | info->hpdet_init_range << | |
1738 | MADERA_HP_IMPEDANCE_RANGE_SHIFT); | |
b9addd21 RF |
1739 | |
1740 | switch (madera->type) { | |
1741 | case CS47L35: | |
1742 | case CS47L85: | |
1743 | case WM1840: | |
1744 | break; | |
1745 | default: | |
1746 | regmap_update_bits(madera->regmap, | |
1747 | MADERA_MIC_DETECT_1_CONTROL_1, | |
1748 | MADERA_MICD_ENA_MASK, MADERA_MICD_ENA); | |
1749 | break; | |
1750 | } | |
1751 | ||
1752 | regmap_update_bits(madera->regmap, MADERA_HEADPHONE_DETECT_1, | |
1753 | MADERA_HP_POLL, MADERA_HP_POLL); | |
1754 | } | |
1755 | EXPORT_SYMBOL_GPL(madera_hpdet_restart); | |
1756 | ||
1757 | static int madera_hpdet_wait(struct madera_extcon *info) | |
1758 | { | |
1759 | struct madera *madera = info->madera; | |
1760 | unsigned int val; | |
1761 | int i, ret; | |
1762 | ||
1763 | for (i = 0; i < MADERA_HPDONE_PROBE_COUNT; i++) { | |
1764 | ret = regmap_read(madera->regmap, MADERA_HEADPHONE_DETECT_2, | |
1765 | &val); | |
1766 | if (ret) { | |
1767 | dev_err(madera->dev, "Failed to read HPDET state: %d\n", | |
1768 | ret); | |
1769 | return ret; | |
1770 | } | |
1771 | ||
1772 | if (val & MADERA_HP_DONE_MASK) | |
1773 | return 0; | |
1774 | ||
1775 | msleep(MADERA_HPDONE_PROBE_INTERVAL_MS); | |
1776 | } | |
1777 | ||
1778 | dev_err(madera->dev, "HPDET did not appear to complete\n"); | |
1779 | ||
1780 | return -ETIMEDOUT; | |
1781 | } | |
1782 | ||
1783 | void madera_hpdet_stop(struct madera_extcon *info) | |
1784 | { | |
1785 | struct madera *madera = info->madera; | |
1786 | ||
58a080d7 | 1787 | dev_warn(info->dev, "Stopping HPDET\n"); |
b9addd21 RF |
1788 | |
1789 | /* | |
1790 | * If the jack was removed we abort this state. | |
1791 | * Ensure that the detect hardware has returned to idle | |
1792 | */ | |
1793 | madera_hpdet_wait(info); | |
1794 | ||
1795 | /* Reset back to starting range */ | |
1796 | madera_hpdet_stop_micd(info); | |
1797 | ||
1798 | regmap_update_bits(madera->regmap, MADERA_HEADPHONE_DETECT_1, | |
8755ffa0 RF |
1799 | MADERA_HP_IMPEDANCE_RANGE_MASK | MADERA_HP_POLL, |
1800 | info->hpdet_init_range << | |
1801 | MADERA_HP_IMPEDANCE_RANGE_SHIFT); | |
b9addd21 RF |
1802 | |
1803 | switch (madera->type) { | |
1804 | case CS47L35: | |
1805 | case CS47L85: | |
1806 | case WM1840: | |
1807 | /* Reset to default mode */ | |
1808 | regmap_update_bits(madera->regmap, | |
1809 | MADERA_ACCESSORY_DETECT_MODE_1, | |
1810 | MADERA_ACCDET_MODE_MASK, 0); | |
1811 | break; | |
1812 | default: | |
1813 | break; | |
1814 | } | |
1815 | ||
e0d9a12c | 1816 | madera_extcon_hp_clamp(info, true); |
b9addd21 RF |
1817 | |
1818 | pm_runtime_mark_last_busy(info->dev); | |
1819 | pm_runtime_put_autosuspend(info->dev); | |
1820 | } | |
1821 | EXPORT_SYMBOL_GPL(madera_hpdet_stop); | |
1822 | ||
1823 | int madera_hpdet_reading(struct madera_extcon *info, int val) | |
1824 | { | |
58a080d7 | 1825 | dev_warn(info->dev, "Reading HPDET %d\n", val); |
b9addd21 RF |
1826 | |
1827 | if (val < 0) | |
1828 | return val; | |
1829 | ||
1830 | madera_set_headphone_imp(info, val); | |
1831 | ||
449044bb | 1832 | /* Report high impedence cables as line outputs */ |
ffbe80f2 | 1833 | if(!info->have_mic && val>= 500000) |
449044bb | 1834 | madera_extcon_report(info, EXTCON_JACK_LINE_OUT, true); |
ffbe80f2 | 1835 | else |
449044bb | 1836 | madera_extcon_report(info, EXTCON_JACK_HEADPHONE, true); |
b9addd21 RF |
1837 | |
1838 | if (info->have_mic) | |
1839 | madera_jds_set_state(info, &madera_micd_button); | |
1840 | else | |
1841 | madera_jds_set_state(info, NULL); | |
1842 | ||
1843 | return 0; | |
1844 | } | |
1845 | EXPORT_SYMBOL_GPL(madera_hpdet_reading); | |
1846 | ||
1847 | int madera_micd_start(struct madera_extcon *info) | |
1848 | { | |
1849 | struct madera *madera = info->madera; | |
1850 | int ret; | |
1851 | unsigned int micd_mode; | |
1852 | ||
1853 | /* Microphone detection can't use idle mode */ | |
1854 | pm_runtime_get_sync(info->dev); | |
1855 | ||
58a080d7 | 1856 | dev_warn(info->dev, "Disabling MICD_OVD\n"); |
b9addd21 RF |
1857 | regmap_update_bits(madera->regmap, |
1858 | MADERA_MICD_CLAMP_CONTROL, | |
1859 | MADERA_MICD_CLAMP_OVD_MASK, 0); | |
1860 | ||
1861 | ret = regulator_enable(info->micvdd); | |
1862 | if (ret) | |
1863 | dev_err(info->dev, "Failed to enable MICVDD: %d\n", ret); | |
1864 | ||
1865 | switch (madera->type) { | |
1866 | case CS47L35: | |
1867 | case CS47L85: | |
1868 | case WM1840: | |
1869 | regmap_update_bits(madera->regmap, | |
1870 | MADERA_ACCESSORY_DETECT_MODE_1, | |
1871 | MADERA_ACCDET_MODE_MASK, info->state->mode); | |
1872 | break; | |
1873 | default: | |
1874 | if (info->state->mode == MADERA_ACCDET_MODE_ADC) | |
1875 | micd_mode = MADERA_MICD1_ADC_MODE_MASK; | |
1876 | else | |
1877 | micd_mode = 0; | |
1878 | ||
1879 | regmap_update_bits(madera->regmap, | |
1880 | MADERA_MIC_DETECT_1_CONTROL_0, | |
1881 | MADERA_MICD1_ADC_MODE_MASK, micd_mode); | |
1882 | break; | |
1883 | } | |
1884 | ||
1885 | madera_extcon_enable_micbias(info); | |
1886 | ||
1887 | regmap_update_bits(madera->regmap, MADERA_MIC_DETECT_1_CONTROL_1, | |
1888 | MADERA_MICD_ENA, MADERA_MICD_ENA); | |
1889 | ||
1890 | return 0; | |
1891 | } | |
1892 | EXPORT_SYMBOL_GPL(madera_micd_start); | |
1893 | ||
1894 | void madera_micd_stop(struct madera_extcon *info) | |
1895 | { | |
1896 | struct madera *madera = info->madera; | |
1897 | ||
1898 | regmap_update_bits(madera->regmap, MADERA_MIC_DETECT_1_CONTROL_1, | |
1899 | MADERA_MICD_ENA, 0); | |
1900 | ||
1901 | madera_extcon_disable_micbias(info); | |
1902 | ||
1903 | switch (madera->type) { | |
1904 | case CS47L35: | |
1905 | case CS47L85: | |
1906 | case WM1840: | |
1907 | /* Reset to default mode */ | |
1908 | regmap_update_bits(madera->regmap, | |
1909 | MADERA_ACCESSORY_DETECT_MODE_1, | |
1910 | MADERA_ACCDET_MODE_MASK, 0); | |
1911 | break; | |
1912 | default: | |
1913 | break; | |
1914 | } | |
1915 | ||
1916 | regulator_disable(info->micvdd); | |
1917 | ||
58a080d7 | 1918 | dev_warn(info->dev, "Enabling MICD_OVD\n"); |
b9addd21 RF |
1919 | regmap_update_bits(madera->regmap, MADERA_MICD_CLAMP_CONTROL, |
1920 | MADERA_MICD_CLAMP_OVD_MASK, MADERA_MICD_CLAMP_OVD); | |
1921 | ||
1922 | pm_runtime_mark_last_busy(info->dev); | |
1923 | pm_runtime_put_autosuspend(info->dev); | |
1924 | } | |
1925 | EXPORT_SYMBOL_GPL(madera_micd_stop); | |
1926 | ||
1927 | static void madera_micd_restart(struct madera_extcon *info) | |
1928 | { | |
1929 | struct madera *madera = info->madera; | |
1930 | ||
1931 | regmap_update_bits(madera->regmap, MADERA_MIC_DETECT_1_CONTROL_1, | |
1932 | MADERA_MICD_ENA, 0); | |
1933 | regmap_update_bits(madera->regmap, MADERA_MIC_DETECT_1_CONTROL_1, | |
1934 | MADERA_MICD_ENA, MADERA_MICD_ENA); | |
1935 | } | |
1936 | ||
1937 | static int madera_micd_button_debounce(struct madera_extcon *info, int val) | |
1938 | { | |
1939 | int debounce_lim = info->pdata->micd_manual_debounce; | |
1940 | ||
1941 | if (debounce_lim) { | |
1942 | if (info->micd_debounce != val) | |
1943 | info->micd_count = 0; | |
1944 | ||
1945 | info->micd_debounce = val; | |
1946 | info->micd_count++; | |
1947 | ||
1948 | if (info->micd_count == debounce_lim) { | |
1949 | info->micd_count = 0; | |
1950 | if (val == info->micd_res_old) | |
1951 | return 0; | |
1952 | ||
1953 | info->micd_res_old = val; | |
1954 | } else { | |
58a080d7 | 1955 | dev_warn(info->dev, "Software debounce: %d,%x\n", |
b9addd21 RF |
1956 | info->micd_count, val); |
1957 | madera_micd_restart(info); | |
1958 | return -EAGAIN; | |
1959 | } | |
1960 | } | |
1961 | ||
1962 | return 0; | |
1963 | } | |
1964 | ||
1965 | static int madera_micd_button_process(struct madera_extcon *info, int val) | |
1966 | { | |
1967 | int i, key; | |
1968 | ||
1969 | if (val < MADERA_MICROPHONE_MIN_OHM) { | |
58a080d7 | 1970 | dev_warn(info->dev, "Mic button detected\n"); |
b9addd21 RF |
1971 | |
1972 | for (i = 0; i < info->num_micd_ranges; i++) | |
1973 | input_report_key(info->input, | |
1974 | info->micd_ranges[i].key, 0); | |
1975 | ||
1976 | for (i = 0; i < info->num_micd_ranges; i++) { | |
1977 | if (val <= info->micd_ranges[i].max) { | |
1978 | key = info->micd_ranges[i].key; | |
58a080d7 | 1979 | dev_warn(info->dev, "Key %d down\n", key); |
b9addd21 RF |
1980 | input_report_key(info->input, key, 1); |
1981 | input_sync(info->input); | |
1982 | break; | |
1983 | } | |
1984 | } | |
1985 | ||
1986 | if (i == info->num_micd_ranges) | |
1987 | dev_warn(info->dev, | |
1988 | "Button level %u out of range\n", val); | |
1989 | } else { | |
58a080d7 | 1990 | dev_warn(info->dev, "Mic button released\n"); |
b9addd21 RF |
1991 | |
1992 | for (i = 0; i < info->num_micd_ranges; i++) | |
1993 | input_report_key(info->input, | |
1994 | info->micd_ranges[i].key, 0); | |
1995 | input_sync(info->input); | |
1996 | } | |
1997 | ||
1998 | return 0; | |
1999 | } | |
2000 | ||
2001 | int madera_micd_button_reading(struct madera_extcon *info, int val) | |
2002 | { | |
2003 | int ret; | |
2004 | unsigned int ohms; | |
2005 | ||
2006 | if (val < 0) | |
2007 | return val; | |
2008 | ||
2009 | ohms = madera_hohm_to_ohm((unsigned int)val); | |
2010 | ||
2011 | ret = madera_micd_button_debounce(info, ohms); | |
2012 | if (ret < 0) | |
2013 | return ret; | |
2014 | ||
2015 | return madera_micd_button_process(info, ohms); | |
2016 | } | |
2017 | EXPORT_SYMBOL_GPL(madera_micd_button_reading); | |
2018 | ||
2019 | int madera_micd_mic_start(struct madera_extcon *info) | |
2020 | { | |
2021 | int ret; | |
2022 | ||
2023 | info->detecting = true; | |
2024 | ||
2025 | ret = regulator_allow_bypass(info->micvdd, false); | |
2026 | if (ret) | |
2027 | dev_err(info->dev, "Failed to regulate MICVDD: %d\n", ret); | |
2028 | ||
2029 | return madera_micd_start(info); | |
2030 | } | |
2031 | EXPORT_SYMBOL_GPL(madera_micd_mic_start); | |
2032 | ||
2033 | void madera_micd_mic_stop(struct madera_extcon *info) | |
2034 | { | |
2035 | int ret; | |
2036 | ||
2037 | madera_micd_stop(info); | |
2038 | ||
2039 | ret = regulator_allow_bypass(info->micvdd, true); | |
2040 | if (ret) | |
2041 | dev_err(info->dev, "Failed to bypass MICVDD: %d\n", ret); | |
2042 | ||
2043 | info->detecting = false; | |
2044 | } | |
2045 | EXPORT_SYMBOL_GPL(madera_micd_mic_stop); | |
2046 | ||
2047 | int madera_micd_mic_reading(struct madera_extcon *info, int val) | |
2048 | { | |
2049 | unsigned int ohms; | |
2050 | ||
2051 | if (val < 0) | |
2052 | return val; | |
2053 | ||
2054 | ohms = madera_hohm_to_ohm((unsigned int)val); | |
2055 | ||
2056 | /* Due to jack detect this should never happen */ | |
2057 | if (ohms > MADERA_MICROPHONE_MAX_OHM) { | |
2058 | dev_warn(info->dev, "Detected open circuit\n"); | |
2059 | info->have_mic = info->pdata->micd_open_circuit_declare; | |
2060 | goto done; | |
2061 | } | |
2062 | ||
2063 | /* If we got a high impedence we should have a headset, report it. */ | |
2064 | if (ohms >= MADERA_MICROPHONE_MIN_OHM) { | |
58a080d7 | 2065 | dev_warn(info->dev, "Detected headset\n"); |
b9addd21 RF |
2066 | info->have_mic = true; |
2067 | goto done; | |
2068 | } | |
2069 | ||
2070 | /* | |
2071 | * If we detected a lower impedence during initial startup | |
2072 | * then we probably have the wrong polarity, flip it. Don't | |
2073 | * do this for the lowest impedences to speed up detection of | |
2074 | * plain headphones. If both polarities report a low | |
2075 | * impedence then give up and report headphones. | |
2076 | */ | |
2077 | if (ohms > info->micd_ranges[0].max && | |
2078 | info->num_micd_modes > 1) { | |
2079 | if (info->jack_flips >= info->num_micd_modes * 10) { | |
58a080d7 | 2080 | dev_warn(info->dev, "Detected HP/line\n"); |
b9addd21 RF |
2081 | goto done; |
2082 | } else { | |
2083 | madera_extcon_next_mode(info); | |
2084 | ||
2085 | info->jack_flips++; | |
2086 | ||
2087 | return -EAGAIN; | |
2088 | } | |
2089 | } | |
2090 | ||
2091 | /* | |
2092 | * If we're still detecting and we detect a short then we've | |
2093 | * got a headphone. | |
2094 | */ | |
58a080d7 | 2095 | dev_warn(info->dev, "Headphone detected\n"); |
b9addd21 RF |
2096 | |
2097 | done: | |
2098 | pm_runtime_mark_last_busy(info->dev); | |
2099 | ||
2100 | if (info->pdata->hpdet_channel) | |
2101 | madera_jds_set_state(info, &madera_hpdet_right); | |
2102 | else | |
2103 | madera_jds_set_state(info, &madera_hpdet_left); | |
2104 | ||
2105 | madera_extcon_report(info, EXTCON_JACK_MICROPHONE, info->have_mic); | |
2106 | ||
2107 | madera_extcon_notify_micd(info, info->have_mic, ohms); | |
2108 | ||
2109 | return 0; | |
2110 | } | |
2111 | EXPORT_SYMBOL_GPL(madera_micd_mic_reading); | |
2112 | ||
2113 | int madera_micd_mic_timeout_ms(struct madera_extcon *info) | |
2114 | { | |
2115 | if (info->pdata->micd_timeout_ms) | |
2116 | return info->pdata->micd_timeout_ms; | |
2117 | else | |
2118 | return MADERA_DEFAULT_MICD_TIMEOUT_MS; | |
2119 | } | |
2120 | EXPORT_SYMBOL_GPL(madera_micd_mic_timeout_ms); | |
2121 | ||
2122 | void madera_micd_mic_timeout(struct madera_extcon *info) | |
2123 | { | |
2124 | int ret; | |
2125 | ||
58a080d7 | 2126 | dev_warn(info->dev, "MICD timed out, reporting HP\n"); |
b9addd21 RF |
2127 | |
2128 | if (info->pdata->hpdet_channel) | |
2129 | ret = madera_jds_set_state(info, &madera_hpdet_right); | |
2130 | else | |
2131 | ret = madera_jds_set_state(info, &madera_hpdet_left); | |
2132 | ||
2133 | if (ret < 0) | |
2134 | madera_extcon_report(info, EXTCON_JACK_MICROPHONE, false); | |
2135 | } | |
2136 | EXPORT_SYMBOL_GPL(madera_micd_mic_timeout); | |
2137 | ||
2138 | static int madera_jack_present(struct madera_extcon *info, | |
2139 | unsigned int *jack_val) | |
2140 | { | |
2141 | struct madera *madera = info->madera; | |
2142 | unsigned int present, val; | |
2143 | int ret; | |
2144 | ||
2145 | ret = regmap_read(madera->regmap, MADERA_IRQ1_RAW_STATUS_7, &val); | |
2146 | if (ret) { | |
2147 | dev_err(info->dev, "Failed to read jackdet status: %d\n", ret); | |
2148 | return ret; | |
2149 | } | |
2150 | ||
58a080d7 | 2151 | dev_warn(info->dev, "IRQ1_RAW_STATUS_7=0x%x\n", val); |
b9addd21 RF |
2152 | |
2153 | if (info->pdata->jd_use_jd2) { | |
2154 | val &= MADERA_MICD_CLAMP_RISE_STS1; | |
2155 | present = 0; | |
2156 | } else if (info->pdata->jd_invert) { | |
2157 | val &= MADERA_JD1_FALL_STS1_MASK; | |
2158 | present = MADERA_JD1_FALL_STS1; | |
2159 | } else { | |
2160 | val &= MADERA_JD1_RISE_STS1_MASK; | |
2161 | present = MADERA_JD1_RISE_STS1; | |
2162 | } | |
2163 | ||
58a080d7 | 2164 | dev_warn(info->dev, "jackdet val=0x%x present=0x%x\n", val, present); |
b9addd21 RF |
2165 | |
2166 | if (jack_val) | |
2167 | *jack_val = val; | |
2168 | ||
2169 | if (val == present) | |
2170 | return 1; | |
2171 | else | |
2172 | return 0; | |
2173 | } | |
2174 | ||
2175 | static irqreturn_t madera_hpdet_handler(int irq, void *data) | |
2176 | { | |
2177 | struct madera_extcon *info = data; | |
2178 | int ret; | |
2179 | ||
58a080d7 | 2180 | dev_warn(info->dev, "HPDET handler\n"); |
b9addd21 RF |
2181 | |
2182 | madera_jds_cancel_timeout(info); | |
2183 | ||
2184 | mutex_lock(&info->lock); | |
2185 | ||
2186 | switch (madera_jds_get_mode(info)) { | |
2187 | case MADERA_ACCDET_MODE_HPL: | |
2188 | case MADERA_ACCDET_MODE_HPR: | |
2189 | case MADERA_ACCDET_MODE_HPM: | |
2190 | /* Fall through to spurious if no jack present */ | |
2191 | if (madera_jack_present(info, NULL) > 0) | |
2192 | break; | |
2193 | default: | |
2194 | dev_warn(info->dev, "Spurious HPDET IRQ\n"); | |
2195 | madera_jds_start_timeout(info); | |
2196 | mutex_unlock(&info->lock); | |
2197 | return IRQ_NONE; | |
2198 | } | |
2199 | ||
2200 | ret = madera_hpdet_read(info); | |
2201 | if (ret == -EAGAIN) | |
2202 | goto out; | |
2203 | ||
2204 | madera_jds_reading(info, ret); | |
2205 | ||
2206 | out: | |
2207 | madera_jds_start_timeout(info); | |
2208 | ||
2209 | pm_runtime_mark_last_busy(info->dev); | |
2210 | ||
2211 | mutex_unlock(&info->lock); | |
2212 | ||
2213 | return IRQ_HANDLED; | |
2214 | } | |
2215 | ||
2216 | static void madera_micd_handler(struct work_struct *work) | |
2217 | { | |
2218 | struct madera_extcon *info = container_of(work, | |
2219 | struct madera_extcon, | |
2220 | micd_detect_work.work); | |
2221 | enum madera_accdet_mode mode; | |
2222 | int ret; | |
2223 | ||
2224 | madera_jds_cancel_timeout(info); | |
2225 | ||
2226 | mutex_lock(&info->lock); | |
2227 | ||
2228 | /* | |
2229 | * Must check that we are in a micd state before accessing | |
2230 | * any codec registers | |
2231 | */ | |
58a080d7 | 2232 | dev_warn(info->dev, "madera_micd_handler mode is %d \n", mode); |
b9addd21 RF |
2233 | mode = madera_jds_get_mode(info); |
2234 | switch (mode) { | |
2235 | case MADERA_ACCDET_MODE_MIC: | |
2236 | case MADERA_ACCDET_MODE_ADC: | |
2237 | break; | |
2238 | default: | |
2239 | goto spurious; | |
2240 | } | |
2241 | ||
2242 | if (madera_jack_present(info, NULL) <= 0) | |
2243 | goto spurious; | |
2244 | ||
2245 | switch (mode) { | |
2246 | case MADERA_ACCDET_MODE_MIC: | |
2247 | ret = madera_micd_read(info); | |
2248 | break; | |
2249 | case MADERA_ACCDET_MODE_ADC: | |
2250 | ret = madera_micd_adc_read(info); | |
2251 | break; | |
2252 | default: /* we can't get here but compiler still warns */ | |
2253 | ret = 0; | |
2254 | break; | |
2255 | } | |
2256 | ||
2257 | if (ret == -EAGAIN) | |
2258 | goto out; | |
2259 | ||
01d1d7b2 | 2260 | if (ret >= 0) { |
58a080d7 | 2261 | dev_warn(info->dev, "Mic impedance %d ohms\n", ret); |
01d1d7b2 SH |
2262 | ret = madera_ohm_to_hohm((unsigned int)ret); |
2263 | } | |
b9addd21 | 2264 | |
01d1d7b2 | 2265 | madera_jds_reading(info, ret); |
b9addd21 RF |
2266 | |
2267 | out: | |
2268 | madera_jds_start_timeout(info); | |
2269 | ||
2270 | pm_runtime_mark_last_busy(info->dev); | |
2271 | ||
2272 | mutex_unlock(&info->lock); | |
2273 | ||
2274 | return; | |
2275 | ||
2276 | spurious: | |
2277 | dev_warn(info->dev, "Spurious MICDET IRQ\n"); | |
2278 | madera_jds_start_timeout(info); | |
2279 | mutex_unlock(&info->lock); | |
2280 | } | |
2281 | ||
2282 | static irqreturn_t madera_micdet(int irq, void *data) | |
2283 | { | |
2284 | struct madera_extcon *info = data; | |
2285 | int debounce = info->pdata->micd_detect_debounce_ms; | |
2286 | ||
58a080d7 | 2287 | dev_warn(info->dev, "micdet IRQ debounce is %d ",debounce); |
b9addd21 RF |
2288 | |
2289 | cancel_delayed_work_sync(&info->micd_detect_work); | |
2290 | ||
2291 | mutex_lock(&info->lock); | |
2292 | ||
2293 | if (!info->detecting) | |
2294 | debounce = 0; | |
2295 | ||
2296 | mutex_unlock(&info->lock); | |
2297 | ||
2298 | /* | |
2299 | * Defer to the workqueue to ensure serialization | |
2300 | * and prevent race conditions if an IRQ occurs while | |
2301 | * running the delayed work | |
2302 | */ | |
b74151ed | 2303 | dev_warn(info->dev, "micdet IRQ debounce msecs_to_jiffies is %d ",msecs_to_jiffies(debounce)); |
b9addd21 RF |
2304 | schedule_delayed_work(&info->micd_detect_work, |
2305 | msecs_to_jiffies(debounce)); | |
2306 | ||
2307 | return IRQ_HANDLED; | |
2308 | } | |
2309 | ||
2310 | const struct madera_jd_state madera_hpdet_left = { | |
2311 | .mode = MADERA_ACCDET_MODE_HPL, | |
2312 | .start = madera_hpdet_start, | |
2313 | .reading = madera_hpdet_reading, | |
2314 | .stop = madera_hpdet_stop, | |
2315 | }; | |
2316 | EXPORT_SYMBOL_GPL(madera_hpdet_left); | |
2317 | ||
2318 | const struct madera_jd_state madera_hpdet_right = { | |
2319 | .mode = MADERA_ACCDET_MODE_HPR, | |
2320 | .start = madera_hpdet_start, | |
2321 | .reading = madera_hpdet_reading, | |
2322 | .stop = madera_hpdet_stop, | |
2323 | }; | |
2324 | EXPORT_SYMBOL_GPL(madera_hpdet_right); | |
2325 | ||
2326 | const struct madera_jd_state madera_micd_button = { | |
2327 | .mode = MADERA_ACCDET_MODE_MIC, | |
2328 | .start = madera_micd_start, | |
2329 | .reading = madera_micd_button_reading, | |
2330 | .stop = madera_micd_stop, | |
2331 | }; | |
2332 | EXPORT_SYMBOL_GPL(madera_micd_button); | |
2333 | ||
2334 | const struct madera_jd_state madera_micd_adc_mic = { | |
2335 | .mode = MADERA_ACCDET_MODE_ADC, | |
2336 | .start = madera_micd_mic_start, | |
2337 | .restart = madera_micd_restart, | |
2338 | .reading = madera_micd_mic_reading, | |
2339 | .stop = madera_micd_mic_stop, | |
2340 | ||
2341 | .timeout_ms = madera_micd_mic_timeout_ms, | |
2342 | .timeout = madera_micd_mic_timeout, | |
2343 | }; | |
2344 | EXPORT_SYMBOL_GPL(madera_micd_adc_mic); | |
2345 | ||
2346 | const struct madera_jd_state madera_micd_microphone = { | |
2347 | .mode = MADERA_ACCDET_MODE_MIC, | |
2348 | .start = madera_micd_mic_start, | |
2349 | .reading = madera_micd_mic_reading, | |
2350 | .stop = madera_micd_mic_stop, | |
2351 | ||
2352 | .timeout_ms = madera_micd_mic_timeout_ms, | |
2353 | .timeout = madera_micd_mic_timeout, | |
2354 | }; | |
2355 | EXPORT_SYMBOL_GPL(madera_micd_microphone); | |
2356 | ||
2357 | static irqreturn_t madera_jackdet(int irq, void *data) | |
2358 | { | |
2359 | struct madera_extcon *info = data; | |
2360 | struct madera *madera = info->madera; | |
2361 | unsigned int val, mask; | |
2362 | bool cancelled_state; | |
f64f306e | 2363 | int i, present; |
b9addd21 | 2364 | |
58a080d7 | 2365 | dev_warn(info->dev, "jackdet IRQ"); |
b9addd21 RF |
2366 | |
2367 | cancelled_state = madera_jds_cancel_timeout(info); | |
2368 | ||
2369 | pm_runtime_get_sync(info->dev); | |
2370 | ||
2371 | mutex_lock(&info->lock); | |
2372 | ||
2373 | val = 0; | |
2374 | present = madera_jack_present(info, &val); | |
2375 | if (present < 0) { | |
2376 | mutex_unlock(&info->lock); | |
2377 | pm_runtime_put_autosuspend(info->dev); | |
2378 | return IRQ_NONE; | |
2379 | } | |
2380 | ||
2381 | if (val == info->last_jackdet) { | |
58a080d7 | 2382 | dev_warn(info->dev, "Suppressing duplicate JACKDET\n"); |
b9addd21 RF |
2383 | if (cancelled_state) |
2384 | madera_jds_start_timeout(info); | |
2385 | ||
2386 | goto out; | |
2387 | } | |
2388 | info->last_jackdet = val; | |
2389 | ||
2390 | mask = MADERA_MICD_CLAMP_DB | MADERA_JD1_DB; | |
2391 | ||
2392 | if (info->pdata->jd_use_jd2) | |
2393 | mask |= MADERA_JD2_DB; | |
2394 | ||
2395 | if (present) { | |
58a080d7 | 2396 | dev_warn(info->dev, "Detected jack\n"); |
b9addd21 RF |
2397 | |
2398 | madera_extcon_report(info, EXTCON_MECHANICAL, true); | |
2399 | ||
2400 | info->have_mic = false; | |
2401 | info->jack_flips = 0; | |
2402 | ||
2403 | if (info->pdata->custom_jd) | |
2404 | madera_jds_set_state(info, info->pdata->custom_jd); | |
2405 | else if (info->pdata->micd_software_compare) | |
2406 | madera_jds_set_state(info, &madera_micd_adc_mic); | |
2407 | else | |
2408 | madera_jds_set_state(info, &madera_micd_microphone); | |
2409 | ||
2410 | madera_jds_start_timeout(info); | |
2411 | ||
2412 | regmap_update_bits(madera->regmap, MADERA_INTERRUPT_DEBOUNCE_7, | |
2413 | mask, 0); | |
2414 | } else { | |
58a080d7 | 2415 | dev_warn(info->dev, "Detected jack removal\n"); |
b9addd21 | 2416 | |
b9addd21 RF |
2417 | info->have_mic = false; |
2418 | info->micd_res_old = 0; | |
2419 | info->micd_debounce = 0; | |
2420 | info->micd_count = 0; | |
2421 | madera_jds_set_state(info, NULL); | |
2422 | ||
2423 | for (i = 0; i < info->num_micd_ranges; i++) | |
2424 | input_report_key(info->input, | |
2425 | info->micd_ranges[i].key, 0); | |
2426 | input_sync(info->input); | |
2427 | ||
f64f306e SH |
2428 | for (i = 0; i < ARRAY_SIZE(madera_cable) - 1; i++) |
2429 | madera_extcon_report(info, madera_cable[i], false); | |
b9addd21 RF |
2430 | |
2431 | regmap_update_bits(madera->regmap, MADERA_INTERRUPT_DEBOUNCE_7, | |
2432 | mask, mask); | |
2433 | ||
2434 | madera_set_headphone_imp(info, MADERA_HP_Z_OPEN); | |
2435 | ||
2436 | madera_extcon_notify_micd(info, false, 0); | |
2437 | } | |
2438 | ||
2439 | out: | |
2440 | mutex_unlock(&info->lock); | |
2441 | ||
2442 | pm_runtime_mark_last_busy(info->dev); | |
2443 | pm_runtime_put_autosuspend(info->dev); | |
2444 | ||
2445 | return IRQ_HANDLED; | |
2446 | } | |
2447 | ||
2448 | /* Map a level onto a slot in the register bank */ | |
2449 | static void madera_micd_set_level(struct madera *madera, int index, | |
2450 | unsigned int level) | |
2451 | { | |
2452 | int reg; | |
2453 | unsigned int mask; | |
2454 | ||
2455 | reg = MADERA_MIC_DETECT_1_LEVEL_4 - (index / 2); | |
2456 | ||
2457 | if (!(index % 2)) { | |
2458 | mask = 0x3f00; | |
2459 | level <<= 8; | |
2460 | } else { | |
2461 | mask = 0x3f; | |
2462 | } | |
2463 | ||
2464 | /* Program the level itself */ | |
2465 | regmap_update_bits(madera->regmap, reg, mask, level); | |
2466 | } | |
2467 | ||
e5eea4ca RF |
2468 | static void madera_extcon_of_get_micd_ranges(struct madera_extcon *info, |
2469 | struct fwnode_handle *node, | |
2470 | struct madera_accdet_pdata *pdata) | |
2471 | { | |
2472 | struct madera_micd_range *micd_ranges; | |
2473 | u32 *values; | |
2474 | int nvalues, nranges, i, j; | |
2475 | int ret; | |
2476 | ||
2477 | nvalues = fwnode_property_read_u32_array(node, "cirrus,micd-ranges", | |
2478 | NULL, 0); | |
2479 | if (nvalues < 0) | |
2480 | return; | |
2481 | ||
2482 | values = kmalloc_array(nvalues, sizeof(u32), GFP_KERNEL); | |
2483 | if (!values) | |
2484 | return; | |
2485 | ||
2486 | ret = fwnode_property_read_u32_array(node, "cirrus,micd-ranges", | |
2487 | values, nvalues); | |
2488 | if (ret < 0) | |
2489 | goto err; | |
2490 | ||
2491 | nranges = nvalues / 2; | |
2492 | micd_ranges = devm_kcalloc(info->dev, | |
2493 | nranges, | |
2494 | sizeof(struct madera_micd_range), | |
2495 | GFP_KERNEL); | |
2496 | ||
2497 | for (i = 0, j = 0; i < nranges; ++i) { | |
2498 | micd_ranges[i].max = values[j++]; | |
2499 | micd_ranges[i].key = values[j++]; | |
2500 | } | |
2501 | ||
2502 | pdata->micd_ranges = micd_ranges; | |
2503 | pdata->num_micd_ranges = nranges; | |
2504 | ||
2505 | err: | |
2506 | kfree(values); | |
2507 | } | |
2508 | ||
b9addd21 RF |
2509 | static void madera_extcon_get_micd_configs(struct madera_extcon *info, |
2510 | struct fwnode_handle *node, | |
2511 | struct madera_accdet_pdata *pdata) | |
2512 | { | |
2513 | struct madera_micd_config *micd_configs; | |
2514 | u32 *values; | |
2515 | int nvalues, nconfigs, i, j; | |
2516 | int ret; | |
2517 | ||
2518 | nvalues = fwnode_property_read_u32_array(node, | |
2519 | "cirrus,micd-configs", | |
2520 | NULL, 0); | |
2521 | if (nvalues == -EINVAL) { | |
2522 | return; /* not found */ | |
2523 | } else if ((nvalues < 0) || (nvalues % 5)) { | |
2524 | dev_warn(info->dev, "cirrus,micd-configs is malformed\n"); | |
2525 | return; | |
2526 | } | |
2527 | ||
2528 | values = kmalloc_array(nvalues, sizeof(u32), GFP_KERNEL); | |
2529 | if (!values) | |
2530 | return; | |
2531 | ||
2532 | ret = fwnode_property_read_u32_array(node, | |
2533 | "cirrus,micd-configs", | |
2534 | values, nvalues); | |
2535 | if (ret < 0) | |
2536 | goto err; | |
2537 | ||
2538 | nconfigs = nvalues / 5; | |
2539 | micd_configs = devm_kcalloc(info->dev, | |
2540 | nconfigs, | |
2541 | sizeof(struct madera_micd_config), | |
2542 | GFP_KERNEL); | |
2543 | if (!micd_configs) | |
2544 | goto err; | |
2545 | ||
2546 | for (i = 0, j = 0; i < nconfigs; ++i) { | |
2547 | micd_configs[i].src = values[j++]; | |
2548 | micd_configs[i].gnd = values[j++]; | |
2549 | micd_configs[i].bias = values[j++]; | |
2550 | micd_configs[i].gpio = values[j++]; | |
2551 | micd_configs[i].hp_gnd = values[j++]; | |
2552 | } | |
2553 | ||
2554 | info->micd_modes = micd_configs; | |
2555 | info->num_micd_modes = nconfigs; | |
2556 | ||
2557 | err: | |
2558 | kfree(values); | |
2559 | } | |
2560 | ||
2561 | static void madera_extcon_get_hpd_pins(struct madera_extcon *info, | |
2562 | struct fwnode_handle *node, | |
2563 | struct madera_accdet_pdata *pdata) | |
2564 | { | |
2565 | int i, ret; | |
2566 | ||
2567 | BUILD_BUG_ON(ARRAY_SIZE(pdata->hpd_pins) != | |
2568 | ARRAY_SIZE(madera_default_hpd_pins)); | |
2569 | ||
2570 | memcpy(pdata->hpd_pins, madera_default_hpd_pins, | |
2571 | sizeof(pdata->hpd_pins)); | |
2572 | ||
2573 | ret = fwnode_property_read_u32_array(node, | |
2574 | "cirrus,hpd-pins", | |
2575 | pdata->hpd_pins, | |
2576 | ARRAY_SIZE(pdata->hpd_pins)); | |
2577 | if (ret) { | |
2578 | if (ret != -EINVAL) | |
2579 | dev_warn(info->dev, | |
2580 | "Malformed cirrus,hpd-pins: %d\n", ret); | |
2581 | return; | |
2582 | } | |
2583 | ||
2584 | /* supply defaults where requested */ | |
2585 | for (i = 0; i < ARRAY_SIZE(pdata->hpd_pins); ++i) | |
2586 | if (pdata->hpd_pins[i] > 0xFFFF) | |
2587 | pdata->hpd_pins[i] = madera_default_hpd_pins[i]; | |
2588 | } | |
2589 | ||
2590 | static void madera_extcon_process_accdet_node(struct madera_extcon *info, | |
2591 | struct fwnode_handle *node) | |
2592 | { | |
2593 | struct madera *madera = info->madera; | |
2594 | struct madera_accdet_pdata *pdata; | |
2595 | u32 out_num; | |
2596 | int i, ret; | |
2597 | enum gpiod_flags gpio_status; | |
2598 | ||
2599 | ret = fwnode_property_read_u32(node, "reg", &out_num); | |
2600 | if (ret < 0) { | |
2601 | dev_warn(info->dev, | |
2602 | "failed to read reg property (%d)\n", | |
2603 | ret); | |
2604 | return; | |
2605 | } | |
2606 | ||
2607 | if (out_num == 0) { | |
2608 | dev_warn(info->dev, "accdet node illegal reg %u\n", out_num); | |
2609 | return; | |
2610 | } | |
2611 | ||
58a080d7 | 2612 | dev_warn(info->dev, "processing accdet reg=%u\n", out_num); |
b9addd21 RF |
2613 | |
2614 | for (i = 0; i < ARRAY_SIZE(madera->pdata.accdet); i++) | |
2615 | if (!madera->pdata.accdet[i].enabled) | |
2616 | break; | |
2617 | ||
2618 | if (i == ARRAY_SIZE(madera->pdata.accdet)) { | |
2619 | dev_warn(madera->dev, "Too many accdet nodes: %d\n", i + 1); | |
2620 | return; | |
2621 | } | |
2622 | ||
2623 | pdata = &madera->pdata.accdet[i]; | |
2624 | pdata->enabled = true; /* implied by presence of properties node */ | |
2625 | pdata->output = out_num; | |
2626 | ||
2627 | fwnode_property_read_u32(node, "cirrus,micd-detect-debounce-ms", | |
2628 | &pdata->micd_detect_debounce_ms); | |
2629 | ||
2630 | fwnode_property_read_u32(node, "cirrus,micd-manual-debounce", | |
2631 | &pdata->micd_manual_debounce); | |
2632 | ||
2633 | fwnode_property_read_u32(node, "cirrus,micd-bias-start-time", | |
2634 | &pdata->micd_bias_start_time); | |
2635 | ||
2636 | fwnode_property_read_u32(node, "cirrus,micd-rate", | |
2637 | &pdata->micd_rate); | |
2638 | ||
2639 | fwnode_property_read_u32(node, "cirrus,micd-dbtime", | |
2640 | &pdata->micd_dbtime); | |
2641 | ||
2642 | fwnode_property_read_u32(node, "cirrus,micd-timeout-ms", | |
2643 | &pdata->micd_timeout_ms); | |
2644 | ||
2645 | /* don't override any preset force_micbias enable */ | |
2646 | if (fwnode_property_present(node, "cirrus,micd-force-micbias")) | |
2647 | pdata->micd_force_micbias = true; | |
2648 | ||
2649 | pdata->micd_software_compare = | |
2650 | fwnode_property_present(node, | |
2651 | "cirrus,micd-software-compare"); | |
2652 | ||
2653 | pdata->micd_open_circuit_declare = | |
2654 | fwnode_property_present(node, | |
2655 | "cirrus,micd-open-circuit-declare"); | |
2656 | ||
2657 | pdata->jd_use_jd2 = fwnode_property_present(node, | |
2658 | "cirrus,jd-use-jd2"); | |
2659 | ||
2660 | pdata->jd_invert = fwnode_property_present(node, | |
2661 | "cirrus,jd-invert"); | |
2662 | ||
2663 | fwnode_property_read_u32(node, "cirrus,fixed-hpdet-imp", | |
2664 | &pdata->fixed_hpdet_imp_x100); | |
2665 | ||
2666 | fwnode_property_read_u32(node, "cirrus,hpdet-short-circuit-imp", | |
2667 | &pdata->hpdet_short_circuit_imp); | |
2668 | ||
2669 | fwnode_property_read_u32(node, "cirrus,hpdet-channel", | |
2670 | &pdata->hpdet_channel); | |
2671 | ||
2672 | fwnode_property_read_u32(node, "cirrus,jd-wake-time", | |
2673 | &pdata->jd_wake_time); | |
2674 | ||
2675 | fwnode_property_read_u32(node, "cirrus,micd-clamp-mode", | |
2676 | &pdata->micd_clamp_mode); | |
2677 | ||
2678 | fwnode_property_read_u32(node, "cirrus,hpdet-ext-res", | |
2679 | &pdata->hpdet_ext_res_x100); | |
2680 | ||
2681 | madera_extcon_get_hpd_pins(info, node, pdata); | |
2682 | madera_extcon_get_micd_configs(info, node, pdata); | |
e5eea4ca | 2683 | madera_extcon_of_get_micd_ranges(info, node, pdata); |
b9addd21 RF |
2684 | |
2685 | if (info->micd_modes[0].gpio) | |
2686 | gpio_status = GPIOD_OUT_HIGH; | |
2687 | else | |
2688 | gpio_status = GPIOD_OUT_LOW; | |
2689 | ||
1bf5acbd | 2690 | info->micd_pol_gpio = devm_fwnode_get_gpiod_from_child(info->dev, |
b9addd21 RF |
2691 | "cirrus,micd-pol", |
2692 | node, | |
2693 | gpio_status, | |
2694 | "cirrus,micd-pol"); | |
2695 | if (IS_ERR(info->micd_pol_gpio)) { | |
2696 | dev_warn(info->dev, | |
2697 | "Malformed cirrus,micd-pol-gpios ignored: %ld\n", | |
2698 | PTR_ERR(info->micd_pol_gpio)); | |
7bfcffd1 | 2699 | info->micd_pol_gpio = NULL; |
b9addd21 RF |
2700 | } |
2701 | } | |
2702 | ||
2703 | static int madera_extcon_get_device_pdata(struct madera_extcon *info) | |
2704 | { | |
2705 | struct device_node *parent, *child; | |
2706 | struct madera *madera = info->madera; | |
2707 | ||
2708 | /* | |
2709 | * a GPSW is not necessarily exclusive to a single accessory detect | |
2710 | * channel so is not in the subnodes | |
2711 | */ | |
2712 | device_property_read_u32_array(info->madera->dev, "cirrus,gpsw", | |
2713 | info->madera->pdata.gpsw, | |
2714 | ARRAY_SIZE(info->madera->pdata.gpsw)); | |
2715 | ||
2716 | parent = of_get_child_by_name(madera->dev->of_node, "cirrus,accdet"); | |
2717 | if (!parent) { | |
58a080d7 | 2718 | dev_warn(madera->dev, "No DT nodes\n"); |
b9addd21 RF |
2719 | return 0; |
2720 | } | |
2721 | ||
2722 | for_each_child_of_node(parent, child) | |
2723 | madera_extcon_process_accdet_node(info, &child->fwnode); | |
2724 | ||
2725 | of_node_put(parent); | |
2726 | ||
2727 | return 0; | |
2728 | } | |
2729 | ||
2730 | #ifdef DEBUG | |
2731 | #define MADERA_EXTCON_PDATA_DUMP(x, f) \ | |
58a080d7 | 2732 | dev_warn(info->dev, "\t" #x ": " f "\n", pdata->x) |
b9addd21 RF |
2733 | |
2734 | static void madera_extcon_dump_config(struct madera_extcon *info) | |
2735 | { | |
2736 | const struct madera_accdet_pdata *pdata; | |
2737 | int i, j; | |
2738 | ||
58a080d7 | 2739 | dev_warn(info->dev, "extcon pdata gpsw=[0x%x 0x%x]\n", |
b9addd21 RF |
2740 | info->madera->pdata.gpsw[0], info->madera->pdata.gpsw[1]); |
2741 | ||
2742 | for (i = 0; i < ARRAY_SIZE(info->madera->pdata.accdet); ++i) { | |
2743 | pdata = &info->madera->pdata.accdet[i]; | |
2744 | ||
58a080d7 | 2745 | dev_warn(info->dev, "extcon pdata OUT%u\n", pdata->output); |
b9addd21 RF |
2746 | MADERA_EXTCON_PDATA_DUMP(enabled, "%u"); |
2747 | MADERA_EXTCON_PDATA_DUMP(jd_wake_time, "%d"); | |
2748 | MADERA_EXTCON_PDATA_DUMP(jd_use_jd2, "%u"); | |
2749 | MADERA_EXTCON_PDATA_DUMP(jd_invert, "%u"); | |
2750 | MADERA_EXTCON_PDATA_DUMP(fixed_hpdet_imp_x100, "%d"); | |
2751 | MADERA_EXTCON_PDATA_DUMP(hpdet_ext_res_x100, "%d"); | |
2752 | MADERA_EXTCON_PDATA_DUMP(hpdet_short_circuit_imp, "%d"); | |
2753 | MADERA_EXTCON_PDATA_DUMP(hpdet_channel, "%d"); | |
2754 | MADERA_EXTCON_PDATA_DUMP(micd_detect_debounce_ms, "%d"); | |
2755 | MADERA_EXTCON_PDATA_DUMP(hpdet_short_circuit_imp, "%d"); | |
2756 | MADERA_EXTCON_PDATA_DUMP(hpdet_channel, "%d"); | |
2757 | MADERA_EXTCON_PDATA_DUMP(micd_detect_debounce_ms, "%d"); | |
2758 | MADERA_EXTCON_PDATA_DUMP(micd_manual_debounce, "%d"); | |
2759 | MADERA_EXTCON_PDATA_DUMP(micd_bias_start_time, "%d"); | |
2760 | MADERA_EXTCON_PDATA_DUMP(micd_rate, "%d"); | |
2761 | MADERA_EXTCON_PDATA_DUMP(micd_dbtime, "%d"); | |
2762 | MADERA_EXTCON_PDATA_DUMP(micd_timeout_ms, "%d"); | |
2763 | MADERA_EXTCON_PDATA_DUMP(micd_clamp_mode, "%u"); | |
2764 | MADERA_EXTCON_PDATA_DUMP(micd_force_micbias, "%u"); | |
2765 | MADERA_EXTCON_PDATA_DUMP(micd_open_circuit_declare, "%u"); | |
2766 | MADERA_EXTCON_PDATA_DUMP(micd_software_compare, "%u"); | |
2767 | ||
7bfcffd1 | 2768 | if (info->micd_pol_gpio) |
58a080d7 | 2769 | dev_warn(info->dev, "micd_pol_gpio: %d\n", |
b9addd21 RF |
2770 | desc_to_gpio(info->micd_pol_gpio)); |
2771 | else | |
58a080d7 | 2772 | dev_warn(info->dev, "micd_pol_gpio: unused\n"); |
b9addd21 | 2773 | |
58a080d7 | 2774 | dev_warn(info->dev, "\tmicd_ranges {\n"); |
b9addd21 | 2775 | for (j = 0; j < info->num_micd_ranges; ++j) |
58a080d7 | 2776 | dev_warn(info->dev, "\t\tmax: %d key: %d\n", |
b9addd21 RF |
2777 | info->micd_ranges[j].max, |
2778 | info->micd_ranges[j].key); | |
58a080d7 | 2779 | dev_warn(info->dev, "\t}\n"); |
b9addd21 | 2780 | |
58a080d7 | 2781 | dev_warn(info->dev, "\tmicd_configs {\n"); |
b9addd21 | 2782 | for (j = 0; j < info->num_micd_modes; ++j) |
58a080d7 | 2783 | dev_warn(info->dev, |
b9addd21 RF |
2784 | "\t\tsrc: 0x%x gnd: 0x%x bias: %u gpio: %u hp_gnd: %d\n", |
2785 | info->micd_modes[j].src, | |
2786 | info->micd_modes[j].gnd, | |
2787 | info->micd_modes[j].bias, | |
2788 | info->micd_modes[j].gpio, | |
2789 | info->micd_modes[j].hp_gnd); | |
58a080d7 | 2790 | dev_warn(info->dev, "\t}\n"); |
b9addd21 | 2791 | |
58a080d7 | 2792 | dev_warn(info->dev, "\thpd_pins: %u %u %u %u\n", |
b9addd21 RF |
2793 | pdata->hpd_pins[0], pdata->hpd_pins[1], |
2794 | pdata->hpd_pins[2], pdata->hpd_pins[3]); | |
2795 | } | |
2796 | } | |
2797 | #else | |
2798 | static inline void madera_extcon_dump_config(struct madera_extcon *info) | |
2799 | { | |
2800 | } | |
2801 | #endif | |
2802 | ||
2803 | /* See datasheet for a description of this calibration data */ | |
2804 | static int madera_extcon_read_calibration(struct madera_extcon *info) | |
2805 | { | |
2806 | struct madera *madera = info->madera; | |
2807 | struct madera_hpdet_trims *trims; | |
2808 | int ret = -EIO; | |
2809 | unsigned int offset, gradient, interim_val; | |
2810 | unsigned int otp_hpdet_calib_1, otp_hpdet_calib_2; | |
2811 | ||
2812 | switch (madera->type) { | |
2813 | case CS47L35: | |
2814 | otp_hpdet_calib_1 = CS47L35_OTP_HPDET_CAL_1; | |
2815 | otp_hpdet_calib_2 = CS47L35_OTP_HPDET_CAL_2; | |
2816 | break; | |
2817 | case CS47L85: | |
2818 | case WM1840: | |
2819 | otp_hpdet_calib_1 = CS47L85_OTP_HPDET_CAL_1; | |
2820 | otp_hpdet_calib_2 = CS47L85_OTP_HPDET_CAL_2; | |
2821 | break; | |
2822 | default: | |
2823 | otp_hpdet_calib_1 = MADERA_OTP_HPDET_CAL_1; | |
2824 | otp_hpdet_calib_2 = MADERA_OTP_HPDET_CAL_2; | |
2825 | break; | |
2826 | } | |
2827 | ||
2828 | ret = regmap_read(madera->regmap_32bit, otp_hpdet_calib_1, &offset); | |
2829 | if (ret) { | |
2830 | dev_err(info->dev, | |
2831 | "Failed to read HP CALIB OFFSET value: %d\n", ret); | |
2832 | return ret; | |
2833 | } | |
2834 | ||
2835 | ret = regmap_read(madera->regmap_32bit, otp_hpdet_calib_2, &gradient); | |
2836 | if (ret) { | |
2837 | dev_err(info->dev, | |
2838 | "Failed to read HP CALIB OFFSET value: %d\n", ret); | |
2839 | return ret; | |
2840 | } | |
2841 | ||
2842 | if (((offset == 0) && (gradient == 0)) || | |
2843 | ((offset == 0xFFFFFFFF) && (gradient == 0xFFFFFFFF))) { | |
2844 | dev_warn(info->dev, "No HP trims\n"); | |
2845 | return 0; | |
2846 | } | |
2847 | ||
2848 | trims = devm_kcalloc(info->dev, 4, | |
2849 | sizeof(struct madera_hpdet_trims), | |
2850 | GFP_KERNEL); | |
2851 | if (!trims) { | |
2852 | dev_err(info->dev, "Failed to alloc hpdet trims\n"); | |
2853 | return -ENOMEM; | |
2854 | } | |
2855 | ||
2856 | interim_val = (offset & MADERA_OTP_HPDET_CALIB_OFFSET_00_MASK) >> | |
2857 | MADERA_OTP_HPDET_CALIB_OFFSET_00_SHIFT; | |
2858 | trims[0].off_x4 = 128 - interim_val; | |
2859 | ||
2860 | interim_val = (gradient & MADERA_OTP_HPDET_GRADIENT_0X_MASK) >> | |
2861 | MADERA_OTP_HPDET_GRADIENT_0X_SHIFT; | |
2862 | trims[0].grad_x4 = 128 - interim_val; | |
2863 | ||
2864 | interim_val = (offset & MADERA_OTP_HPDET_CALIB_OFFSET_01_MASK) >> | |
2865 | MADERA_OTP_HPDET_CALIB_OFFSET_01_SHIFT; | |
2866 | trims[1].off_x4 = 128 - interim_val; | |
2867 | ||
2868 | trims[1].grad_x4 = trims[0].grad_x4; | |
2869 | ||
2870 | interim_val = (offset & MADERA_OTP_HPDET_CALIB_OFFSET_10_MASK) >> | |
2871 | MADERA_OTP_HPDET_CALIB_OFFSET_10_SHIFT; | |
2872 | trims[2].off_x4 = 128 - interim_val; | |
2873 | ||
2874 | interim_val = (gradient & MADERA_OTP_HPDET_GRADIENT_1X_MASK) >> | |
2875 | MADERA_OTP_HPDET_GRADIENT_1X_SHIFT; | |
2876 | trims[2].grad_x4 = 128 - interim_val; | |
2877 | ||
2878 | interim_val = (offset & MADERA_OTP_HPDET_CALIB_OFFSET_11_MASK) >> | |
2879 | MADERA_OTP_HPDET_CALIB_OFFSET_11_SHIFT; | |
2880 | trims[3].off_x4 = 128 - interim_val; | |
2881 | ||
2882 | trims[3].grad_x4 = trims[2].grad_x4; | |
2883 | ||
2884 | info->hpdet_trims = trims; | |
2885 | ||
58a080d7 | 2886 | dev_warn(info->dev, |
b9addd21 RF |
2887 | "trims_x_4: %u,%u %u,%u %u,%u %u,%u\n", |
2888 | trims[0].off_x4, trims[0].grad_x4, | |
2889 | trims[1].off_x4, trims[1].grad_x4, | |
2890 | trims[2].off_x4, trims[2].grad_x4, | |
2891 | trims[3].off_x4, trims[3].grad_x4); | |
2892 | ||
2893 | return 0; | |
2894 | } | |
2895 | ||
2896 | static void madera_extcon_set_micd_clamp_mode(struct madera_extcon *info) | |
2897 | { | |
2898 | unsigned int clamp_ctrl_val; | |
2899 | ||
2900 | /* | |
2901 | * If the user has supplied a micd_clamp_mode, assume they know | |
2902 | * what they are doing and just write it out | |
2903 | */ | |
2904 | if (info->pdata->micd_clamp_mode) { | |
2905 | clamp_ctrl_val = info->pdata->micd_clamp_mode; | |
2906 | } else if (info->pdata->jd_use_jd2) { | |
2907 | if (info->pdata->jd_invert) | |
2908 | clamp_ctrl_val = MADERA_MICD_CLAMP_MODE_JD1H_JD2H; | |
2909 | else | |
2910 | clamp_ctrl_val = MADERA_MICD_CLAMP_MODE_JD1L_JD2L; | |
2911 | } else { | |
2912 | if (info->pdata->jd_invert) | |
2913 | clamp_ctrl_val = MADERA_MICD_CLAMP_MODE_JD1H; | |
2914 | else | |
2915 | clamp_ctrl_val = MADERA_MICD_CLAMP_MODE_JD1L; | |
2916 | } | |
2917 | ||
2918 | regmap_update_bits(info->madera->regmap, | |
2919 | MADERA_MICD_CLAMP_CONTROL, | |
2920 | MADERA_MICD_CLAMP_MODE_MASK, | |
2921 | clamp_ctrl_val); | |
2922 | ||
2923 | regmap_update_bits(info->madera->regmap, | |
2924 | MADERA_INTERRUPT_DEBOUNCE_7, | |
2925 | MADERA_MICD_CLAMP_DB, | |
2926 | MADERA_MICD_CLAMP_DB); | |
2927 | } | |
2928 | ||
2929 | static int madera_extcon_add_micd_levels(struct madera_extcon *info) | |
2930 | { | |
2931 | struct madera *madera = info->madera; | |
2932 | int i, j; | |
2933 | int ret = 0; | |
2934 | ||
2935 | BUILD_BUG_ON(ARRAY_SIZE(madera_micd_levels) < | |
2936 | MADERA_NUM_MICD_BUTTON_LEVELS); | |
2937 | ||
2938 | /* Disable all buttons by default */ | |
2939 | regmap_update_bits(madera->regmap, MADERA_MIC_DETECT_1_CONTROL_2, | |
2940 | MADERA_MICD_LVL_SEL_MASK, 0x81); | |
2941 | ||
2942 | /* Set up all the buttons the user specified */ | |
2943 | for (i = 0; i < info->num_micd_ranges; i++) { | |
2944 | for (j = 0; j < MADERA_NUM_MICD_BUTTON_LEVELS; j++) | |
2945 | if (madera_micd_levels[j] >= info->micd_ranges[i].max) | |
2946 | break; | |
2947 | ||
2948 | if (j == MADERA_NUM_MICD_BUTTON_LEVELS) { | |
2949 | dev_err(info->dev, "Unsupported MICD level %d\n", | |
2950 | info->micd_ranges[i].max); | |
2951 | ret = -EINVAL; | |
2952 | goto err_input; | |
2953 | } | |
2954 | ||
58a080d7 | 2955 | dev_warn(info->dev, "%d ohms for MICD threshold %d\n", |
b9addd21 RF |
2956 | madera_micd_levels[j], i); |
2957 | ||
2958 | madera_micd_set_level(madera, i, j); | |
2959 | if (info->micd_ranges[i].key > 0) | |
2960 | input_set_capability(info->input, EV_KEY, | |
2961 | info->micd_ranges[i].key); | |
2962 | ||
2963 | /* Enable reporting of that range */ | |
2964 | regmap_update_bits(madera->regmap, | |
2965 | MADERA_MIC_DETECT_1_CONTROL_2, | |
2966 | 1 << i, 1 << i); | |
2967 | } | |
2968 | ||
2969 | /* Set all the remaining keys to a maximum */ | |
2970 | for (; i < MADERA_MAX_MICD_RANGE; i++) | |
2971 | madera_micd_set_level(madera, i, 0x3f); | |
2972 | ||
2973 | err_input: | |
2974 | return ret; | |
2975 | } | |
2976 | ||
2977 | static int madera_extcon_init_micd_ranges(struct madera_extcon *info) | |
2978 | { | |
2979 | const struct madera_accdet_pdata *pdata = info->pdata; | |
2980 | struct madera_micd_range *ranges; | |
2981 | int i; | |
2982 | ||
2983 | if (pdata->num_micd_ranges == 0) { | |
2984 | info->micd_ranges = madera_micd_default_ranges; | |
2985 | info->num_micd_ranges = | |
b152fcee | 2986 | ARRAY_SIZE(madera_micd_default_ranges); |
b9addd21 RF |
2987 | return 0; |
2988 | } | |
2989 | ||
2990 | if (pdata->num_micd_ranges > MADERA_MAX_MICD_RANGE) { | |
2991 | dev_err(info->dev, "Too many MICD ranges: %d\n", | |
2992 | pdata->num_micd_ranges); | |
2993 | return -EINVAL; | |
2994 | } | |
2995 | ||
2996 | ranges = devm_kmalloc_array(info->dev, | |
2997 | pdata->num_micd_ranges, | |
2998 | sizeof(struct madera_micd_range), | |
2999 | GFP_KERNEL); | |
3000 | if (!ranges) { | |
3001 | dev_err(info->dev, "Failed to kalloc micd ranges\n"); | |
3002 | return -ENOMEM; | |
3003 | } | |
3004 | ||
3005 | memcpy(ranges, pdata->micd_ranges, | |
3006 | sizeof(struct madera_micd_range) * pdata->num_micd_ranges); | |
3007 | info->micd_ranges = ranges; | |
3008 | info->num_micd_ranges = pdata->num_micd_ranges; | |
3009 | ||
3010 | for (i = 0; i < info->num_micd_ranges - 1; i++) { | |
3011 | if (info->micd_ranges[i].max > info->micd_ranges[i + 1].max) { | |
3012 | dev_err(info->dev, "MICD ranges must be sorted\n"); | |
3013 | goto err_free; | |
3014 | } | |
3015 | } | |
3016 | ||
3017 | return 0; | |
3018 | ||
3019 | err_free: | |
3020 | devm_kfree(info->dev, ranges); | |
3021 | ||
3022 | return -EINVAL; | |
3023 | } | |
3024 | ||
3025 | static void madera_extcon_xlate_pdata(struct madera_accdet_pdata *pdata) | |
3026 | { | |
3027 | int i; | |
3028 | ||
3029 | BUILD_BUG_ON(ARRAY_SIZE(pdata->hpd_pins) != | |
3030 | ARRAY_SIZE(madera_default_hpd_pins)); | |
3031 | ||
3032 | /* translate from pdata format where 0=default and >0xFFFF means 0 */ | |
3033 | for (i = 0; i < ARRAY_SIZE(pdata->hpd_pins); ++i) { | |
3034 | if (pdata->hpd_pins[i] == 0) | |
3035 | pdata->hpd_pins[i] = madera_default_hpd_pins[i]; | |
3036 | else if (pdata->hpd_pins[i] > 0xFFFF) | |
3037 | pdata->hpd_pins[i] = 0; | |
3038 | } | |
3039 | } | |
3040 | ||
3041 | static int madera_extcon_probe(struct platform_device *pdev) | |
3042 | { | |
3043 | struct madera *madera = dev_get_drvdata(pdev->dev.parent); | |
3044 | struct madera_accdet_pdata *pdata = &madera->pdata.accdet[0]; | |
3045 | struct madera_extcon *info; | |
3046 | unsigned int debounce_val, analog_val; | |
3047 | int jack_irq_fall, jack_irq_rise; | |
24525eb3 | 3048 | int ret, mode, i, hpdet_short_measured; |
b9addd21 RF |
3049 | |
3050 | /* quick exit if Madera irqchip driver hasn't completed probe */ | |
3051 | if (!madera->irq_dev) { | |
58a080d7 | 3052 | dev_warn(&pdev->dev, "irqchip driver not ready\n"); |
b9addd21 RF |
3053 | return -EPROBE_DEFER; |
3054 | } | |
3055 | ||
3056 | if (!madera->dapm || !madera->dapm->card) | |
3057 | return -EPROBE_DEFER; | |
3058 | ||
3059 | info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); | |
3060 | if (!info) | |
3061 | return -ENOMEM; | |
3062 | ||
3063 | info->pdata = pdata; | |
3064 | info->madera = madera; | |
3065 | info->dev = &pdev->dev; | |
3066 | mutex_init(&info->lock); | |
3067 | init_completion(&info->manual_mic_completion); | |
3068 | INIT_DELAYED_WORK(&info->micd_detect_work, madera_micd_handler); | |
3069 | INIT_DELAYED_WORK(&info->state_timeout_work, madera_jds_timeout_work); | |
3070 | platform_set_drvdata(pdev, info); | |
3071 | ||
3072 | switch (madera->type) { | |
0ed1d34d CK |
3073 | case CS47L15: |
3074 | info->hpdet_init_range = 1; /* range 0 not used on CS47L15 */ | |
3075 | info->hpdet_ranges = cs47l15_hpdet_ranges; | |
3076 | info->num_hpdet_ranges = ARRAY_SIZE(cs47l15_hpdet_ranges); | |
3077 | info->micd_modes = madera_micd_default_modes; | |
3078 | info->num_micd_modes = ARRAY_SIZE(madera_micd_default_modes); | |
3079 | break; | |
b9addd21 RF |
3080 | case CS47L35: |
3081 | pdata->micd_force_micbias = true; | |
3082 | info->hpdet_ranges = cs47l85_hpdet_ranges; | |
3083 | info->num_hpdet_ranges = ARRAY_SIZE(cs47l85_hpdet_ranges); | |
3084 | info->micd_modes = cs47l85_micd_default_modes; | |
3085 | info->num_micd_modes = ARRAY_SIZE(cs47l85_micd_default_modes); | |
3086 | break; | |
3087 | case CS47L85: | |
3088 | case WM1840: | |
3089 | info->hpdet_ranges = cs47l85_hpdet_ranges; | |
3090 | info->num_hpdet_ranges = ARRAY_SIZE(cs47l85_hpdet_ranges); | |
3091 | info->micd_modes = cs47l85_micd_default_modes; | |
3092 | info->num_micd_modes = ARRAY_SIZE(cs47l85_micd_default_modes); | |
3093 | break; | |
505b5e40 SH |
3094 | case CS47L92: |
3095 | case CS47L93: | |
3096 | info->hpdet_ranges = cs47l92_hpdet_ranges; | |
3097 | info->num_hpdet_ranges = ARRAY_SIZE(cs47l92_hpdet_ranges); | |
3098 | info->micd_modes = madera_micd_default_modes; | |
3099 | info->num_micd_modes = ARRAY_SIZE(madera_micd_default_modes); | |
3100 | break; | |
b9addd21 RF |
3101 | default: |
3102 | info->hpdet_ranges = madera_hpdet_ranges; | |
3103 | info->num_hpdet_ranges = ARRAY_SIZE(madera_hpdet_ranges); | |
3104 | info->micd_modes = madera_micd_default_modes; | |
3105 | info->num_micd_modes = ARRAY_SIZE(madera_micd_default_modes); | |
3106 | break; | |
3107 | } | |
3108 | ||
3109 | if (dev_get_platdata(madera->dev)) { | |
3110 | madera_extcon_xlate_pdata(pdata); | |
3111 | ||
3112 | if (pdata->num_micd_configs) { | |
3113 | info->micd_modes = pdata->micd_configs; | |
3114 | info->num_micd_modes = pdata->num_micd_configs; | |
3115 | } | |
3116 | ||
3117 | if (info->micd_modes[0].gpio) | |
3118 | mode = GPIOF_OUT_INIT_HIGH; | |
3119 | else | |
3120 | mode = GPIOF_OUT_INIT_LOW; | |
3121 | ||
3122 | ret = devm_gpio_request_one(&pdev->dev, | |
3123 | pdata->micd_pol_gpio, | |
3124 | mode, | |
3125 | "MICD polarity"); | |
3126 | if (ret) { | |
3127 | dev_err(info->dev, "Failed to request GPIO%d: %d\n", | |
3128 | pdata->micd_pol_gpio, ret); | |
3129 | return ret; | |
3130 | } | |
3131 | ||
3132 | info->micd_pol_gpio = gpio_to_desc(pdata->micd_pol_gpio); | |
3133 | } else { | |
3134 | ret = madera_extcon_get_device_pdata(info); | |
3135 | if (ret < 0) | |
3136 | return ret; | |
3137 | } | |
3138 | ||
a31d12c2 | 3139 | if (!pdata->enabled || pdata->output == 0) |
b9addd21 | 3140 | return -ENODEV; /* no accdet output configured */ |
b9addd21 | 3141 | |
24525eb3 RF |
3142 | info->hpdet_short_x100 = |
3143 | madera_ohm_to_hohm(pdata->hpdet_short_circuit_imp); | |
b7612e90 | 3144 | |
24525eb3 RF |
3145 | /* Actual measured short is increased by external resistance */ |
3146 | hpdet_short_measured = pdata->hpdet_short_circuit_imp + | |
3147 | madera_hohm_to_ohm(pdata->hpdet_ext_res_x100); | |
3148 | ||
3149 | if (hpdet_short_measured < MADERA_HP_SHORT_IMPEDANCE_MIN) { | |
e5694758 RF |
3150 | /* |
3151 | * increase comparison threshold to minimum we can measure | |
3152 | * taking into account that threshold does not include external | |
3153 | * resistance | |
3154 | */ | |
3155 | info->hpdet_short_x100 = | |
3156 | madera_ohm_to_hohm(MADERA_HP_SHORT_IMPEDANCE_MIN) - | |
3157 | pdata->hpdet_ext_res_x100; | |
b7612e90 RF |
3158 | dev_warn(info->dev, |
3159 | "Increasing HP short circuit impedance from %d to %d\n", | |
3160 | pdata->hpdet_short_circuit_imp, | |
e5694758 | 3161 | madera_hohm_to_ohm(info->hpdet_short_x100)); |
b7612e90 | 3162 | } |
b9addd21 RF |
3163 | |
3164 | info->micvdd = devm_regulator_get(&pdev->dev, "MICVDD"); | |
3165 | if (IS_ERR(info->micvdd)) { | |
3166 | ret = PTR_ERR(info->micvdd); | |
3167 | dev_err(info->dev, "Failed to get MICVDD: %d\n", ret); | |
3168 | return ret; | |
3169 | } | |
3170 | ||
3171 | if (pdata->jd_invert) | |
3172 | info->last_jackdet = | |
3173 | ~(MADERA_MICD_CLAMP_RISE_STS1 | MADERA_JD1_FALL_STS1); | |
3174 | else | |
3175 | info->last_jackdet = | |
3176 | ~(MADERA_MICD_CLAMP_RISE_STS1 | MADERA_JD1_RISE_STS1); | |
3177 | ||
3178 | info->edev = devm_extcon_dev_allocate(&pdev->dev, madera_cable); | |
3179 | if (IS_ERR(info->edev)) { | |
3180 | dev_err(&pdev->dev, "failed to allocate extcon device\n"); | |
3181 | return -ENOMEM; | |
3182 | } | |
3183 | ||
3184 | ret = devm_extcon_dev_register(&pdev->dev, info->edev); | |
3185 | if (ret < 0) { | |
3186 | dev_err(info->dev, "extcon_dev_register() failed: %d\n", ret); | |
3187 | return ret; | |
3188 | } | |
3189 | ||
3190 | info->input = devm_input_allocate_device(&pdev->dev); | |
3191 | if (!info->input) { | |
3192 | dev_err(info->dev, "Can't allocate input dev\n"); | |
3193 | ret = -ENOMEM; | |
3194 | goto err_register; | |
3195 | } | |
3196 | ||
3197 | info->input->name = "Headset"; | |
3198 | info->input->phys = "madera/extcon"; | |
3199 | info->input->dev.parent = &pdev->dev; | |
3200 | ||
3201 | if (madera->pdata.gpsw[0] > 0) | |
3202 | regmap_update_bits(madera->regmap, | |
3203 | MADERA_GP_SWITCH_1, | |
3204 | MADERA_SW1_MODE_MASK, | |
3205 | madera->pdata.gpsw[0] << | |
3206 | MADERA_SW1_MODE_SHIFT); | |
3207 | switch (madera->type) { | |
3208 | case CS47L90: | |
3209 | case CS47L91: | |
505b5e40 SH |
3210 | case CS47L92: |
3211 | case CS47L93: | |
b9addd21 RF |
3212 | if (madera->pdata.gpsw[1] > 0) |
3213 | regmap_update_bits(madera->regmap, | |
3214 | MADERA_GP_SWITCH_1, | |
3215 | MADERA_SW2_MODE_MASK, | |
3216 | madera->pdata.gpsw[1] << | |
3217 | MADERA_SW2_MODE_SHIFT); | |
3218 | break; | |
3219 | default: | |
3220 | break; | |
3221 | } | |
3222 | ||
3223 | if (info->pdata->micd_bias_start_time) | |
3224 | regmap_update_bits(madera->regmap, | |
3225 | MADERA_MIC_DETECT_1_CONTROL_1, | |
3226 | MADERA_MICD_BIAS_STARTTIME_MASK, | |
3227 | info->pdata->micd_bias_start_time | |
3228 | << MADERA_MICD_BIAS_STARTTIME_SHIFT); | |
3229 | ||
3230 | if (info->pdata->micd_rate) | |
3231 | regmap_update_bits(madera->regmap, | |
3232 | MADERA_MIC_DETECT_1_CONTROL_1, | |
3233 | MADERA_MICD_RATE_MASK, | |
3234 | info->pdata->micd_rate | |
3235 | << MADERA_MICD_RATE_SHIFT); | |
3236 | ||
3237 | if (info->pdata->micd_dbtime) | |
3238 | regmap_update_bits(madera->regmap, | |
3239 | MADERA_MIC_DETECT_1_CONTROL_1, | |
3240 | MADERA_MICD_DBTIME_MASK, | |
3241 | info->pdata->micd_dbtime | |
3242 | << MADERA_MICD_DBTIME_SHIFT); | |
3243 | ||
3244 | ret = madera_extcon_init_micd_ranges(info); | |
3245 | if (ret) | |
3246 | goto err_input; | |
3247 | ||
3248 | ret = madera_extcon_add_micd_levels(info); | |
3249 | if (ret) | |
3250 | goto err_input; | |
3251 | ||
3252 | madera_extcon_set_micd_clamp_mode(info); | |
3253 | ||
e0d9a12c | 3254 | /*Since Invert the calmp was set, the calmp need to set true as init in case EPOUT will be mute */ |
3255 | madera->out_clamp[0]=true; | |
3256 | ||
b9addd21 RF |
3257 | if ((info->num_micd_modes > 2) && !info->micd_pol_gpio) |
3258 | dev_warn(info->dev, "Have >1 mic_configs but no pol_gpio\n"); | |
3259 | ||
3260 | madera_extcon_set_mode(info, 0); | |
3261 | ||
3262 | /* | |
3263 | * Invalidate the tuning level so that the first detection | |
3264 | * will always apply a tuning | |
3265 | */ | |
3266 | info->hp_tuning_level = MADERA_HP_TUNING_INVALID; | |
3267 | ||
3268 | pm_runtime_enable(&pdev->dev); | |
3269 | pm_runtime_idle(&pdev->dev); | |
3270 | ||
3271 | pm_runtime_get_sync(&pdev->dev); | |
3272 | ||
3273 | madera_extcon_read_calibration(info); | |
3274 | if (info->hpdet_trims) { | |
3275 | switch (madera->type) { | |
3276 | case CS47L35: | |
3277 | case CS47L85: | |
3278 | case WM1840: | |
3279 | /* set for accurate HP impedance detection */ | |
3280 | regmap_update_bits(madera->regmap, | |
3281 | MADERA_ACCESSORY_DETECT_MODE_1, | |
3282 | MADERA_ACCDET_POLARITY_INV_ENA_MASK, | |
3283 | 1 << MADERA_ACCDET_POLARITY_INV_ENA_SHIFT); | |
3284 | break; | |
0a562e73 CK |
3285 | default: |
3286 | break; | |
3287 | } | |
3288 | } else { | |
3289 | switch (madera->type) { | |
3290 | case CS47L15: | |
3291 | pdata->hpdet_ext_res_x100 += 3300; | |
3292 | break; | |
b9addd21 RF |
3293 | default: |
3294 | break; | |
3295 | } | |
3296 | } | |
3297 | ||
8755ffa0 | 3298 | /* Skip any HPDET ranges less than the external resistance */ |
122cef3b | 3299 | for (i = info->hpdet_init_range; i < info->num_hpdet_ranges; ++i) { |
8755ffa0 RF |
3300 | if (madera_ohm_to_hohm(info->hpdet_ranges[i].max) >= |
3301 | pdata->hpdet_ext_res_x100) { | |
3302 | info->hpdet_init_range = i; | |
3303 | break; | |
3304 | } | |
3305 | } | |
3306 | if (i == info->num_hpdet_ranges) { | |
3307 | dev_err(&pdev->dev, | |
3308 | "No possible range for external resistance %u.%02u\n", | |
3309 | pdata->hpdet_ext_res_x100 / 100, | |
3310 | pdata->hpdet_ext_res_x100 % 100); | |
3311 | goto err_input; | |
3312 | } | |
3313 | ||
b9833461 CK |
3314 | regmap_update_bits(madera->regmap, MADERA_HEADPHONE_DETECT_1, |
3315 | MADERA_HP_IMPEDANCE_RANGE_MASK, | |
3316 | info->hpdet_init_range << | |
3317 | MADERA_HP_IMPEDANCE_RANGE_SHIFT); | |
3318 | ||
d4893593 RF |
3319 | ret = madera_request_irq(madera, MADERA_IRQ_MICDET1, |
3320 | "MICDET", madera_micdet, info); | |
3321 | if (ret) { | |
3322 | dev_err(&pdev->dev, "Failed to get MICDET IRQ: %d\n", ret); | |
3323 | goto err_input; | |
3324 | } | |
3325 | ||
3326 | ret = madera_request_irq(madera, MADERA_IRQ_HPDET, | |
3327 | "HPDET", madera_hpdet_handler, info); | |
3328 | if (ret) { | |
3329 | dev_err(&pdev->dev, "Failed to get HPDET IRQ: %d\n", ret); | |
3330 | goto err_micdet; | |
3331 | } | |
3332 | ||
b9addd21 | 3333 | if (info->pdata->jd_use_jd2) { |
d4893593 RF |
3334 | debounce_val = MADERA_JD1_DB | MADERA_JD2_DB; |
3335 | analog_val = MADERA_JD1_ENA | MADERA_JD2_ENA; | |
b9addd21 RF |
3336 | jack_irq_rise = MADERA_IRQ_MICD_CLAMP_RISE; |
3337 | jack_irq_fall = MADERA_IRQ_MICD_CLAMP_FALL; | |
3338 | } else { | |
d4893593 RF |
3339 | debounce_val = MADERA_JD1_DB; |
3340 | analog_val = MADERA_JD1_ENA; | |
b9addd21 RF |
3341 | jack_irq_rise = MADERA_IRQ_JD1_RISE; |
3342 | jack_irq_fall = MADERA_IRQ_JD1_FALL; | |
3343 | } | |
3344 | ||
d4893593 RF |
3345 | regmap_update_bits(madera->regmap, MADERA_INTERRUPT_DEBOUNCE_7, |
3346 | debounce_val, debounce_val); | |
3347 | regmap_update_bits(madera->regmap, MADERA_JACK_DETECT_ANALOGUE, | |
3348 | analog_val, analog_val); | |
3349 | ||
b9addd21 RF |
3350 | ret = madera_request_irq(madera, jack_irq_rise, |
3351 | "JACKDET rise", madera_jackdet, info); | |
3352 | if (ret) { | |
3353 | dev_err(&pdev->dev, | |
3354 | "Failed to get JACKDET rise IRQ: %d\n", ret); | |
d4893593 | 3355 | goto err_hpdet; |
b9addd21 RF |
3356 | } |
3357 | ||
3358 | ret = madera_set_irq_wake(madera, jack_irq_rise, 1); | |
3359 | if (ret) { | |
3360 | dev_err(&pdev->dev, | |
3361 | "Failed to set JD rise IRQ wake: %d\n", ret); | |
3362 | goto err_rise; | |
3363 | } | |
3364 | ||
3365 | ret = madera_request_irq(madera, jack_irq_fall, | |
3366 | "JACKDET fall", madera_jackdet, info); | |
3367 | if (ret) { | |
3368 | dev_err(&pdev->dev, "Failed to get JD fall IRQ: %d\n", ret); | |
3369 | goto err_rise_wake; | |
3370 | } | |
3371 | ||
3372 | ret = madera_set_irq_wake(madera, jack_irq_fall, 1); | |
3373 | if (ret) { | |
3374 | dev_err(&pdev->dev, | |
3375 | "Failed to set JD fall IRQ wake: %d\n", ret); | |
3376 | goto err_fall; | |
3377 | } | |
3378 | ||
b9addd21 RF |
3379 | ret = regulator_allow_bypass(info->micvdd, true); |
3380 | if (ret) | |
3381 | dev_warn(info->dev, | |
3382 | "Failed to set MICVDD to bypass: %d\n", ret); | |
3383 | ||
3384 | pm_runtime_put(&pdev->dev); | |
3385 | ||
c34020f4 SH |
3386 | if (IS_ENABLED(CONFIG_EXTCON_MADERA_INPUT_EVENT)) { |
3387 | input_set_capability(info->input, | |
3388 | EV_SW, | |
3389 | SW_MICROPHONE_INSERT); | |
3390 | input_set_capability(info->input, | |
3391 | EV_SW, | |
3392 | SW_HEADPHONE_INSERT); | |
3393 | input_set_capability(info->input, | |
3394 | EV_SW, | |
3395 | SW_JACK_PHYSICAL_INSERT); | |
449044bb SKR |
3396 | input_set_capability(info->input, |
3397 | EV_SW, | |
3398 | SW_LINEOUT_INSERT); | |
c34020f4 SH |
3399 | } |
3400 | ||
b9addd21 RF |
3401 | ret = input_register_device(info->input); |
3402 | if (ret) { | |
3403 | dev_err(&pdev->dev, "Can't register input device: %d\n", ret); | |
d4893593 | 3404 | goto err_fall_wake; |
b9addd21 RF |
3405 | } |
3406 | ||
3407 | ret = device_create_file(&pdev->dev, &dev_attr_hp1_impedance); | |
3408 | if (ret) | |
3409 | dev_warn(&pdev->dev, | |
3410 | "Failed to create sysfs node for hp_impedance %d\n", | |
3411 | ret); | |
3412 | ||
3413 | madera_extcon_dump_config(info); | |
3414 | ||
3415 | return 0; | |
3416 | ||
b9addd21 RF |
3417 | err_fall_wake: |
3418 | madera_set_irq_wake(madera, jack_irq_fall, 0); | |
3419 | err_fall: | |
3420 | madera_free_irq(madera, jack_irq_fall, info); | |
3421 | err_rise_wake: | |
3422 | madera_set_irq_wake(madera, jack_irq_rise, 0); | |
3423 | err_rise: | |
3424 | madera_free_irq(madera, jack_irq_rise, info); | |
d4893593 RF |
3425 | err_hpdet: |
3426 | madera_free_irq(madera, MADERA_IRQ_HPDET, info); | |
3427 | err_micdet: | |
3428 | madera_free_irq(madera, MADERA_IRQ_MICDET1, info); | |
b9addd21 RF |
3429 | err_input: |
3430 | err_register: | |
3431 | pm_runtime_disable(&pdev->dev); | |
3432 | ||
3433 | return ret; | |
3434 | } | |
3435 | ||
3436 | static int madera_extcon_remove(struct platform_device *pdev) | |
3437 | { | |
3438 | struct madera_extcon *info = platform_get_drvdata(pdev); | |
3439 | struct madera *madera = info->madera; | |
3440 | int jack_irq_rise, jack_irq_fall; | |
3441 | ||
3442 | pm_runtime_disable(&pdev->dev); | |
3443 | ||
3444 | regmap_update_bits(madera->regmap, MADERA_MICD_CLAMP_CONTROL, | |
3445 | MADERA_MICD_CLAMP_MODE_MASK, 0); | |
3446 | ||
3447 | if (info->pdata->jd_use_jd2) { | |
3448 | jack_irq_rise = MADERA_IRQ_MICD_CLAMP_RISE; | |
3449 | jack_irq_fall = MADERA_IRQ_MICD_CLAMP_FALL; | |
3450 | } else { | |
3451 | jack_irq_rise = MADERA_IRQ_JD1_RISE; | |
3452 | jack_irq_fall = MADERA_IRQ_JD1_FALL; | |
3453 | } | |
3454 | ||
3455 | madera_set_irq_wake(madera, jack_irq_rise, 0); | |
3456 | madera_set_irq_wake(madera, jack_irq_fall, 0); | |
3457 | madera_free_irq(madera, MADERA_IRQ_HPDET, info); | |
3458 | madera_free_irq(madera, MADERA_IRQ_MICDET1, info); | |
3459 | madera_free_irq(madera, jack_irq_rise, info); | |
3460 | madera_free_irq(madera, jack_irq_fall, info); | |
3461 | regmap_update_bits(madera->regmap, MADERA_JACK_DETECT_ANALOGUE, | |
3462 | MADERA_JD1_ENA | MADERA_JD2_ENA, 0); | |
3463 | ||
3464 | device_remove_file(&pdev->dev, &dev_attr_hp1_impedance); | |
3465 | kfree(info->hpdet_trims); | |
3466 | ||
3467 | return 0; | |
3468 | } | |
3469 | ||
3470 | static struct platform_driver madera_extcon_driver = { | |
3471 | .driver = { | |
3472 | .name = "madera-extcon", | |
3473 | }, | |
3474 | .probe = madera_extcon_probe, | |
3475 | .remove = madera_extcon_remove, | |
3476 | }; | |
3477 | ||
3478 | module_platform_driver(madera_extcon_driver); | |
3479 | ||
3480 | MODULE_DESCRIPTION("Madera extcon driver"); | |
3481 | MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>"); | |
3482 | MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.wolfsonmicro.com>"); | |
3483 | MODULE_LICENSE("GPL v2"); | |
3484 | MODULE_ALIAS("platform:extcon-madera"); |