Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1 | /* |
| 2 | * extcon-arizona.c - Extcon driver Wolfson Arizona devices |
| 3 | * |
| 4 | * Copyright (C) 2012 Wolfson Microelectronics plc |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | */ |
| 16 | |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/module.h> |
| 19 | #include <linux/i2c.h> |
| 20 | #include <linux/slab.h> |
| 21 | #include <linux/interrupt.h> |
| 22 | #include <linux/err.h> |
| 23 | #include <linux/gpio.h> |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 24 | #include <linux/input.h> |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 25 | #include <linux/platform_device.h> |
| 26 | #include <linux/pm_runtime.h> |
| 27 | #include <linux/regulator/consumer.h> |
| 28 | #include <linux/extcon.h> |
| 29 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 30 | #include <sound/soc.h> |
| 31 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 32 | #include <linux/mfd/arizona/core.h> |
| 33 | #include <linux/mfd/arizona/pdata.h> |
| 34 | #include <linux/mfd/arizona/registers.h> |
| 35 | |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 36 | #define ARIZONA_NUM_BUTTONS 6 |
| 37 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 38 | #define ARIZONA_ACCDET_MODE_MIC 0 |
| 39 | #define ARIZONA_ACCDET_MODE_HPL 1 |
| 40 | #define ARIZONA_ACCDET_MODE_HPR 2 |
| 41 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 42 | struct arizona_extcon_info { |
| 43 | struct device *dev; |
| 44 | struct arizona *arizona; |
| 45 | struct mutex lock; |
| 46 | struct regulator *micvdd; |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 47 | struct input_dev *input; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 48 | |
| 49 | int micd_mode; |
| 50 | const struct arizona_micd_config *micd_modes; |
| 51 | int micd_num_modes; |
| 52 | |
| 53 | bool micd_reva; |
Mark Brown | dab63eb | 2013-01-11 08:55:36 +0900 | [diff] [blame] | 54 | bool micd_clamp; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 55 | |
Mark Brown | 0e27bd3 | 2013-02-05 21:00:15 +0000 | [diff] [blame^] | 56 | struct delayed_work hpdet_work; |
| 57 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 58 | bool hpdet_active; |
| 59 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 60 | int num_hpdet_res; |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 61 | unsigned int hpdet_res[3]; |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 62 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 63 | bool mic; |
| 64 | bool detecting; |
| 65 | int jack_flips; |
| 66 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 67 | int hpdet_ip; |
| 68 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 69 | struct extcon_dev edev; |
| 70 | }; |
| 71 | |
| 72 | static const struct arizona_micd_config micd_default_modes[] = { |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 73 | { 0, 2 << ARIZONA_MICD_BIAS_SRC_SHIFT, 1 }, |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 74 | { ARIZONA_ACCDET_SRC, 1 << ARIZONA_MICD_BIAS_SRC_SHIFT, 0 }, |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 75 | }; |
| 76 | |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 77 | static struct { |
| 78 | u16 status; |
| 79 | int report; |
| 80 | } arizona_lvl_to_key[ARIZONA_NUM_BUTTONS] = { |
| 81 | { 0x1, BTN_0 }, |
| 82 | { 0x2, BTN_1 }, |
| 83 | { 0x4, BTN_2 }, |
| 84 | { 0x8, BTN_3 }, |
| 85 | { 0x10, BTN_4 }, |
| 86 | { 0x20, BTN_5 }, |
| 87 | }; |
| 88 | |
Mark Brown | 325c642 | 2012-06-28 13:08:30 +0100 | [diff] [blame] | 89 | #define ARIZONA_CABLE_MECHANICAL 0 |
| 90 | #define ARIZONA_CABLE_MICROPHONE 1 |
| 91 | #define ARIZONA_CABLE_HEADPHONE 2 |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 92 | #define ARIZONA_CABLE_LINEOUT 3 |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 93 | |
| 94 | static const char *arizona_cable[] = { |
Mark Brown | 325c642 | 2012-06-28 13:08:30 +0100 | [diff] [blame] | 95 | "Mechanical", |
| 96 | "Microphone", |
| 97 | "Headphone", |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 98 | "Line-out", |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 99 | NULL, |
| 100 | }; |
| 101 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 102 | static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode) |
| 103 | { |
| 104 | struct arizona *arizona = info->arizona; |
| 105 | |
Mark Brown | cd74f7b | 2012-11-27 16:14:26 +0900 | [diff] [blame] | 106 | if (arizona->pdata.micd_pol_gpio > 0) |
| 107 | gpio_set_value_cansleep(arizona->pdata.micd_pol_gpio, |
| 108 | info->micd_modes[mode].gpio); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 109 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
| 110 | ARIZONA_MICD_BIAS_SRC_MASK, |
| 111 | info->micd_modes[mode].bias); |
| 112 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 113 | ARIZONA_ACCDET_SRC, info->micd_modes[mode].src); |
| 114 | |
| 115 | info->micd_mode = mode; |
| 116 | |
| 117 | dev_dbg(arizona->dev, "Set jack polarity to %d\n", mode); |
| 118 | } |
| 119 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 120 | static const char *arizona_extcon_get_micbias(struct arizona_extcon_info *info) |
| 121 | { |
| 122 | switch (info->micd_modes[0].bias >> ARIZONA_MICD_BIAS_SRC_SHIFT) { |
| 123 | case 1: |
| 124 | return "MICBIAS1"; |
| 125 | case 2: |
| 126 | return "MICBIAS2"; |
| 127 | case 3: |
| 128 | return "MICBIAS3"; |
| 129 | default: |
| 130 | return "MICVDD"; |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | static void arizona_extcon_pulse_micbias(struct arizona_extcon_info *info) |
| 135 | { |
| 136 | struct arizona *arizona = info->arizona; |
| 137 | const char *widget = arizona_extcon_get_micbias(info); |
| 138 | struct snd_soc_dapm_context *dapm = arizona->dapm; |
| 139 | int ret; |
| 140 | |
| 141 | mutex_lock(&dapm->card->dapm_mutex); |
| 142 | |
| 143 | ret = snd_soc_dapm_force_enable_pin(dapm, widget); |
| 144 | if (ret != 0) |
| 145 | dev_warn(arizona->dev, "Failed to enable %s: %d\n", |
| 146 | widget, ret); |
| 147 | |
| 148 | mutex_unlock(&dapm->card->dapm_mutex); |
| 149 | |
| 150 | snd_soc_dapm_sync(dapm); |
| 151 | |
| 152 | if (!arizona->pdata.micd_force_micbias) { |
| 153 | mutex_lock(&dapm->card->dapm_mutex); |
| 154 | |
| 155 | ret = snd_soc_dapm_disable_pin(arizona->dapm, widget); |
| 156 | if (ret != 0) |
| 157 | dev_warn(arizona->dev, "Failed to disable %s: %d\n", |
| 158 | widget, ret); |
| 159 | |
| 160 | mutex_unlock(&dapm->card->dapm_mutex); |
| 161 | |
| 162 | snd_soc_dapm_sync(dapm); |
| 163 | } |
| 164 | } |
| 165 | |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 166 | static void arizona_start_mic(struct arizona_extcon_info *info) |
| 167 | { |
| 168 | struct arizona *arizona = info->arizona; |
| 169 | bool change; |
| 170 | int ret; |
| 171 | |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 172 | /* Microphone detection can't use idle mode */ |
| 173 | pm_runtime_get(info->dev); |
| 174 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 175 | if (info->detecting) { |
| 176 | ret = regulator_allow_bypass(info->micvdd, false); |
| 177 | if (ret != 0) { |
| 178 | dev_err(arizona->dev, |
| 179 | "Failed to regulate MICVDD: %d\n", |
| 180 | ret); |
| 181 | } |
| 182 | } |
| 183 | |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 184 | ret = regulator_enable(info->micvdd); |
| 185 | if (ret != 0) { |
| 186 | dev_err(arizona->dev, "Failed to enable MICVDD: %d\n", |
| 187 | ret); |
| 188 | } |
| 189 | |
| 190 | if (info->micd_reva) { |
| 191 | regmap_write(arizona->regmap, 0x80, 0x3); |
| 192 | regmap_write(arizona->regmap, 0x294, 0); |
| 193 | regmap_write(arizona->regmap, 0x80, 0x0); |
| 194 | } |
| 195 | |
| 196 | regmap_update_bits(arizona->regmap, |
| 197 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 198 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); |
| 199 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 200 | arizona_extcon_pulse_micbias(info); |
| 201 | |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 202 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, |
| 203 | ARIZONA_MICD_ENA, ARIZONA_MICD_ENA, |
| 204 | &change); |
| 205 | if (!change) { |
| 206 | regulator_disable(info->micvdd); |
| 207 | pm_runtime_put_autosuspend(info->dev); |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | static void arizona_stop_mic(struct arizona_extcon_info *info) |
| 212 | { |
| 213 | struct arizona *arizona = info->arizona; |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 214 | const char *widget = arizona_extcon_get_micbias(info); |
| 215 | struct snd_soc_dapm_context *dapm = arizona->dapm; |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 216 | bool change; |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 217 | int ret; |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 218 | |
| 219 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, |
| 220 | ARIZONA_MICD_ENA, 0, |
| 221 | &change); |
| 222 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 223 | mutex_lock(&dapm->card->dapm_mutex); |
| 224 | |
| 225 | ret = snd_soc_dapm_disable_pin(dapm, widget); |
| 226 | if (ret != 0) |
| 227 | dev_warn(arizona->dev, |
| 228 | "Failed to disable %s: %d\n", |
| 229 | widget, ret); |
| 230 | |
| 231 | mutex_unlock(&dapm->card->dapm_mutex); |
| 232 | |
| 233 | snd_soc_dapm_sync(dapm); |
| 234 | |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 235 | if (info->micd_reva) { |
| 236 | regmap_write(arizona->regmap, 0x80, 0x3); |
| 237 | regmap_write(arizona->regmap, 0x294, 2); |
| 238 | regmap_write(arizona->regmap, 0x80, 0x0); |
| 239 | } |
| 240 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 241 | ret = regulator_allow_bypass(info->micvdd, true); |
| 242 | if (ret != 0) { |
| 243 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", |
| 244 | ret); |
| 245 | } |
| 246 | |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 247 | if (change) { |
| 248 | regulator_disable(info->micvdd); |
| 249 | pm_runtime_mark_last_busy(info->dev); |
| 250 | pm_runtime_put_autosuspend(info->dev); |
| 251 | } |
| 252 | } |
| 253 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 254 | static struct { |
| 255 | unsigned int factor_a; |
| 256 | unsigned int factor_b; |
| 257 | } arizona_hpdet_b_ranges[] = { |
| 258 | { 5528, 362464 }, |
| 259 | { 11084, 6186851 }, |
| 260 | { 11065, 65460395 }, |
| 261 | }; |
| 262 | |
| 263 | static struct { |
| 264 | int min; |
| 265 | int max; |
| 266 | } arizona_hpdet_c_ranges[] = { |
| 267 | { 0, 30 }, |
| 268 | { 8, 100 }, |
| 269 | { 100, 1000 }, |
| 270 | { 1000, 10000 }, |
| 271 | }; |
| 272 | |
| 273 | static int arizona_hpdet_read(struct arizona_extcon_info *info) |
| 274 | { |
| 275 | struct arizona *arizona = info->arizona; |
| 276 | unsigned int val, range; |
| 277 | int ret; |
| 278 | |
| 279 | ret = regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_2, &val); |
| 280 | if (ret != 0) { |
| 281 | dev_err(arizona->dev, "Failed to read HPDET status: %d\n", |
| 282 | ret); |
| 283 | return ret; |
| 284 | } |
| 285 | |
| 286 | switch (info->hpdet_ip) { |
| 287 | case 0: |
| 288 | if (!(val & ARIZONA_HP_DONE)) { |
| 289 | dev_err(arizona->dev, "HPDET did not complete: %x\n", |
| 290 | val); |
Mark Brown | e6dd8cf | 2013-01-21 17:30:02 +0900 | [diff] [blame] | 291 | return -EAGAIN; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | val &= ARIZONA_HP_LVL_MASK; |
| 295 | break; |
| 296 | |
| 297 | case 1: |
| 298 | if (!(val & ARIZONA_HP_DONE_B)) { |
| 299 | dev_err(arizona->dev, "HPDET did not complete: %x\n", |
| 300 | val); |
Mark Brown | e6dd8cf | 2013-01-21 17:30:02 +0900 | [diff] [blame] | 301 | return -EAGAIN; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | ret = regmap_read(arizona->regmap, ARIZONA_HP_DACVAL, &val); |
| 305 | if (ret != 0) { |
| 306 | dev_err(arizona->dev, "Failed to read HP value: %d\n", |
| 307 | ret); |
Mark Brown | e6dd8cf | 2013-01-21 17:30:02 +0900 | [diff] [blame] | 308 | return -EAGAIN; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 309 | } |
| 310 | |
| 311 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, |
| 312 | &range); |
| 313 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) |
| 314 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; |
| 315 | |
| 316 | if (range < ARRAY_SIZE(arizona_hpdet_b_ranges) - 1 && |
| 317 | (val < 100 || val > 0x3fb)) { |
| 318 | range++; |
| 319 | dev_dbg(arizona->dev, "Moving to HPDET range %d\n", |
| 320 | range); |
| 321 | regmap_update_bits(arizona->regmap, |
| 322 | ARIZONA_HEADPHONE_DETECT_1, |
| 323 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, |
| 324 | range << |
| 325 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); |
| 326 | return -EAGAIN; |
| 327 | } |
| 328 | |
| 329 | /* If we go out of range report top of range */ |
| 330 | if (val < 100 || val > 0x3fb) { |
| 331 | dev_dbg(arizona->dev, "Measurement out of range\n"); |
| 332 | return 10000; |
| 333 | } |
| 334 | |
| 335 | dev_dbg(arizona->dev, "HPDET read %d in range %d\n", |
| 336 | val, range); |
| 337 | |
| 338 | val = arizona_hpdet_b_ranges[range].factor_b |
| 339 | / ((val * 100) - |
| 340 | arizona_hpdet_b_ranges[range].factor_a); |
| 341 | break; |
| 342 | |
| 343 | default: |
| 344 | dev_warn(arizona->dev, "Unknown HPDET IP revision %d\n", |
| 345 | info->hpdet_ip); |
| 346 | case 2: |
| 347 | if (!(val & ARIZONA_HP_DONE_B)) { |
| 348 | dev_err(arizona->dev, "HPDET did not complete: %x\n", |
| 349 | val); |
Mark Brown | e6dd8cf | 2013-01-21 17:30:02 +0900 | [diff] [blame] | 350 | return -EAGAIN; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 351 | } |
| 352 | |
| 353 | val &= ARIZONA_HP_LVL_B_MASK; |
| 354 | |
| 355 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, |
| 356 | &range); |
| 357 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) |
| 358 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; |
| 359 | |
| 360 | /* Skip up or down a range? */ |
| 361 | if (range && (val < arizona_hpdet_c_ranges[range].min)) { |
| 362 | range--; |
| 363 | dev_dbg(arizona->dev, "Moving to HPDET range %d-%d\n", |
| 364 | arizona_hpdet_c_ranges[range].min, |
| 365 | arizona_hpdet_c_ranges[range].max); |
| 366 | regmap_update_bits(arizona->regmap, |
| 367 | ARIZONA_HEADPHONE_DETECT_1, |
| 368 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, |
| 369 | range << |
| 370 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); |
| 371 | return -EAGAIN; |
| 372 | } |
| 373 | |
| 374 | if (range < ARRAY_SIZE(arizona_hpdet_c_ranges) - 1 && |
| 375 | (val >= arizona_hpdet_c_ranges[range].max)) { |
| 376 | range++; |
| 377 | dev_dbg(arizona->dev, "Moving to HPDET range %d-%d\n", |
| 378 | arizona_hpdet_c_ranges[range].min, |
| 379 | arizona_hpdet_c_ranges[range].max); |
| 380 | regmap_update_bits(arizona->regmap, |
| 381 | ARIZONA_HEADPHONE_DETECT_1, |
| 382 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, |
| 383 | range << |
| 384 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); |
| 385 | return -EAGAIN; |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | dev_dbg(arizona->dev, "HP impedance %d ohms\n", val); |
| 390 | return val; |
| 391 | } |
| 392 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 393 | static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading) |
| 394 | { |
| 395 | struct arizona *arizona = info->arizona; |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 396 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 397 | int ret; |
| 398 | |
| 399 | /* |
| 400 | * If we're using HPDET for accessory identification we need |
| 401 | * to take multiple measurements, step through them in sequence. |
| 402 | */ |
| 403 | if (arizona->pdata.hpdet_acc_id) { |
| 404 | info->hpdet_res[info->num_hpdet_res++] = *reading; |
| 405 | |
| 406 | /* |
| 407 | * If the impedence is too high don't measure the |
| 408 | * second ground. |
| 409 | */ |
| 410 | if (info->num_hpdet_res == 1 && *reading >= 45) { |
| 411 | dev_dbg(arizona->dev, "Skipping ground flip\n"); |
| 412 | info->hpdet_res[info->num_hpdet_res++] = *reading; |
| 413 | } |
| 414 | |
| 415 | if (info->num_hpdet_res == 1) { |
| 416 | dev_dbg(arizona->dev, "Flipping ground\n"); |
| 417 | |
| 418 | regmap_update_bits(arizona->regmap, |
| 419 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 420 | ARIZONA_ACCDET_SRC, |
| 421 | ~info->micd_modes[0].src); |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 422 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 423 | regmap_update_bits(arizona->regmap, |
| 424 | ARIZONA_HEADPHONE_DETECT_1, |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 425 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); |
| 426 | return -EAGAIN; |
| 427 | } |
| 428 | |
| 429 | /* Only check the mic directly if we didn't already ID it */ |
| 430 | if (id_gpio && info->num_hpdet_res == 2 && |
| 431 | !((info->hpdet_res[0] > info->hpdet_res[1] * 2))) { |
| 432 | dev_dbg(arizona->dev, "Measuring mic\n"); |
| 433 | |
| 434 | regmap_update_bits(arizona->regmap, |
| 435 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 436 | ARIZONA_ACCDET_MODE_MASK | |
| 437 | ARIZONA_ACCDET_SRC, |
| 438 | ARIZONA_ACCDET_MODE_HPR | |
| 439 | info->micd_modes[0].src); |
| 440 | |
| 441 | gpio_set_value_cansleep(id_gpio, 1); |
| 442 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 443 | regmap_update_bits(arizona->regmap, |
| 444 | ARIZONA_HEADPHONE_DETECT_1, |
| 445 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); |
| 446 | return -EAGAIN; |
| 447 | } |
| 448 | |
| 449 | /* OK, got both. Now, compare... */ |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 450 | dev_dbg(arizona->dev, "HPDET measured %d %d %d\n", |
| 451 | info->hpdet_res[0], info->hpdet_res[1], |
| 452 | info->hpdet_res[2]); |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 453 | |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 454 | /* |
| 455 | * Either the two grounds measure differently or we |
| 456 | * measure the mic as high impedance. |
| 457 | */ |
| 458 | if ((info->hpdet_res[0] > info->hpdet_res[1] * 2) || |
| 459 | (id_gpio && info->hpdet_res[2] > 10)) { |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 460 | dev_dbg(arizona->dev, "Detected mic\n"); |
| 461 | info->mic = true; |
| 462 | ret = extcon_set_cable_state_(&info->edev, |
| 463 | ARIZONA_CABLE_MICROPHONE, |
| 464 | true); |
| 465 | if (ret != 0) { |
| 466 | dev_err(arizona->dev, |
| 467 | "Failed to report mic: %d\n", ret); |
| 468 | } |
| 469 | |
| 470 | /* Take the headphone impedance for the main report */ |
| 471 | *reading = info->hpdet_res[1]; |
| 472 | } else { |
| 473 | dev_dbg(arizona->dev, "Detected headphone\n"); |
| 474 | } |
| 475 | |
| 476 | /* Make sure everything is reset back to the real polarity */ |
| 477 | regmap_update_bits(arizona->regmap, |
| 478 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 479 | ARIZONA_ACCDET_SRC, |
| 480 | info->micd_modes[0].src); |
| 481 | } |
| 482 | |
| 483 | return 0; |
| 484 | } |
| 485 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 486 | static irqreturn_t arizona_hpdet_irq(int irq, void *data) |
| 487 | { |
| 488 | struct arizona_extcon_info *info = data; |
| 489 | struct arizona *arizona = info->arizona; |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 490 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 491 | int report = ARIZONA_CABLE_HEADPHONE; |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 492 | int ret, reading; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 493 | |
| 494 | mutex_lock(&info->lock); |
| 495 | |
| 496 | /* If we got a spurious IRQ for some reason then ignore it */ |
| 497 | if (!info->hpdet_active) { |
| 498 | dev_warn(arizona->dev, "Spurious HPDET IRQ\n"); |
| 499 | mutex_unlock(&info->lock); |
| 500 | return IRQ_NONE; |
| 501 | } |
| 502 | |
| 503 | /* If the cable was removed while measuring ignore the result */ |
| 504 | ret = extcon_get_cable_state_(&info->edev, ARIZONA_CABLE_MECHANICAL); |
| 505 | if (ret < 0) { |
| 506 | dev_err(arizona->dev, "Failed to check cable state: %d\n", |
| 507 | ret); |
| 508 | goto out; |
| 509 | } else if (!ret) { |
| 510 | dev_dbg(arizona->dev, "Ignoring HPDET for removed cable\n"); |
| 511 | goto done; |
| 512 | } |
| 513 | |
| 514 | ret = arizona_hpdet_read(info); |
| 515 | if (ret == -EAGAIN) { |
| 516 | goto out; |
| 517 | } else if (ret < 0) { |
| 518 | goto done; |
| 519 | } |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 520 | reading = ret; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 521 | |
| 522 | /* Reset back to starting range */ |
| 523 | regmap_update_bits(arizona->regmap, |
| 524 | ARIZONA_HEADPHONE_DETECT_1, |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 525 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, |
| 526 | 0); |
| 527 | |
| 528 | ret = arizona_hpdet_do_id(info, &reading); |
| 529 | if (ret == -EAGAIN) { |
| 530 | goto out; |
| 531 | } else if (ret < 0) { |
| 532 | goto done; |
| 533 | } |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 534 | |
| 535 | /* Report high impedence cables as line outputs */ |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 536 | if (reading >= 5000) |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 537 | report = ARIZONA_CABLE_LINEOUT; |
| 538 | else |
| 539 | report = ARIZONA_CABLE_HEADPHONE; |
| 540 | |
| 541 | ret = extcon_set_cable_state_(&info->edev, report, true); |
| 542 | if (ret != 0) |
| 543 | dev_err(arizona->dev, "Failed to report HP/line: %d\n", |
| 544 | ret); |
| 545 | |
| 546 | ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000, 0); |
| 547 | if (ret != 0) |
| 548 | dev_warn(arizona->dev, "Failed to undo magic: %d\n", ret); |
| 549 | |
| 550 | ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000, 0); |
| 551 | if (ret != 0) |
| 552 | dev_warn(arizona->dev, "Failed to undo magic: %d\n", ret); |
| 553 | |
| 554 | done: |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 555 | if (id_gpio) |
| 556 | gpio_set_value_cansleep(id_gpio, 0); |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 557 | |
| 558 | /* Revert back to MICDET mode */ |
| 559 | regmap_update_bits(arizona->regmap, |
| 560 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 561 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); |
| 562 | |
| 563 | /* If we have a mic then reenable MICDET */ |
| 564 | if (info->mic) |
| 565 | arizona_start_mic(info); |
| 566 | |
| 567 | if (info->hpdet_active) { |
| 568 | pm_runtime_put_autosuspend(info->dev); |
| 569 | info->hpdet_active = false; |
| 570 | } |
| 571 | |
| 572 | out: |
| 573 | mutex_unlock(&info->lock); |
| 574 | |
| 575 | return IRQ_HANDLED; |
| 576 | } |
| 577 | |
| 578 | static void arizona_identify_headphone(struct arizona_extcon_info *info) |
| 579 | { |
| 580 | struct arizona *arizona = info->arizona; |
| 581 | int ret; |
| 582 | |
| 583 | dev_dbg(arizona->dev, "Starting HPDET\n"); |
| 584 | |
| 585 | /* Make sure we keep the device enabled during the measurement */ |
| 586 | pm_runtime_get(info->dev); |
| 587 | |
| 588 | info->hpdet_active = true; |
| 589 | |
| 590 | if (info->mic) |
| 591 | arizona_stop_mic(info); |
| 592 | |
| 593 | ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000, 0x4000); |
| 594 | if (ret != 0) |
| 595 | dev_warn(arizona->dev, "Failed to do magic: %d\n", ret); |
| 596 | |
| 597 | ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000, 0x4000); |
| 598 | if (ret != 0) |
| 599 | dev_warn(arizona->dev, "Failed to do magic: %d\n", ret); |
| 600 | |
| 601 | ret = regmap_update_bits(arizona->regmap, |
| 602 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 603 | ARIZONA_ACCDET_MODE_MASK, |
| 604 | ARIZONA_ACCDET_MODE_HPL); |
| 605 | if (ret != 0) { |
| 606 | dev_err(arizona->dev, "Failed to set HPDETL mode: %d\n", ret); |
| 607 | goto err; |
| 608 | } |
| 609 | |
| 610 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, |
| 611 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); |
| 612 | if (ret != 0) { |
| 613 | dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n", |
| 614 | ret); |
| 615 | goto err; |
| 616 | } |
| 617 | |
| 618 | return; |
| 619 | |
| 620 | err: |
| 621 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 622 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); |
| 623 | |
| 624 | /* Just report headphone */ |
| 625 | ret = extcon_update_state(&info->edev, |
| 626 | 1 << ARIZONA_CABLE_HEADPHONE, |
| 627 | 1 << ARIZONA_CABLE_HEADPHONE); |
| 628 | if (ret != 0) |
| 629 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); |
| 630 | |
| 631 | if (info->mic) |
| 632 | arizona_start_mic(info); |
| 633 | |
| 634 | info->hpdet_active = false; |
| 635 | } |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 636 | |
| 637 | static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info) |
| 638 | { |
| 639 | struct arizona *arizona = info->arizona; |
| 640 | int ret; |
| 641 | |
| 642 | dev_dbg(arizona->dev, "Starting identification via HPDET\n"); |
| 643 | |
| 644 | /* Make sure we keep the device enabled during the measurement */ |
Mark Brown | 0e27bd3 | 2013-02-05 21:00:15 +0000 | [diff] [blame^] | 645 | pm_runtime_get_sync(info->dev); |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 646 | |
| 647 | info->hpdet_active = true; |
| 648 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 649 | arizona_extcon_pulse_micbias(info); |
| 650 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 651 | ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000, 0x4000); |
| 652 | if (ret != 0) |
| 653 | dev_warn(arizona->dev, "Failed to do magic: %d\n", ret); |
| 654 | |
| 655 | ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000, 0x4000); |
| 656 | if (ret != 0) |
| 657 | dev_warn(arizona->dev, "Failed to do magic: %d\n", ret); |
| 658 | |
| 659 | ret = regmap_update_bits(arizona->regmap, |
| 660 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 661 | ARIZONA_ACCDET_SRC | ARIZONA_ACCDET_MODE_MASK, |
| 662 | info->micd_modes[0].src | |
| 663 | ARIZONA_ACCDET_MODE_HPL); |
| 664 | if (ret != 0) { |
| 665 | dev_err(arizona->dev, "Failed to set HPDETL mode: %d\n", ret); |
| 666 | goto err; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 667 | } |
| 668 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 669 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, |
| 670 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); |
| 671 | if (ret != 0) { |
| 672 | dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n", |
| 673 | ret); |
| 674 | goto err; |
| 675 | } |
| 676 | |
| 677 | return; |
| 678 | |
| 679 | err: |
| 680 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 681 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); |
| 682 | |
| 683 | /* Just report headphone */ |
| 684 | ret = extcon_update_state(&info->edev, |
| 685 | 1 << ARIZONA_CABLE_HEADPHONE, |
| 686 | 1 << ARIZONA_CABLE_HEADPHONE); |
| 687 | if (ret != 0) |
| 688 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); |
| 689 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 690 | info->hpdet_active = false; |
| 691 | } |
| 692 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 693 | static irqreturn_t arizona_micdet(int irq, void *data) |
| 694 | { |
| 695 | struct arizona_extcon_info *info = data; |
| 696 | struct arizona *arizona = info->arizona; |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 697 | unsigned int val, lvl; |
| 698 | int ret, i; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 699 | |
| 700 | mutex_lock(&info->lock); |
| 701 | |
| 702 | ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val); |
| 703 | if (ret != 0) { |
| 704 | dev_err(arizona->dev, "Failed to read MICDET: %d\n", ret); |
Alexey Khoroshilov | be31cc0 | 2012-11-05 17:11:41 +0900 | [diff] [blame] | 705 | mutex_unlock(&info->lock); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 706 | return IRQ_NONE; |
| 707 | } |
| 708 | |
| 709 | dev_dbg(arizona->dev, "MICDET: %x\n", val); |
| 710 | |
| 711 | if (!(val & ARIZONA_MICD_VALID)) { |
| 712 | dev_warn(arizona->dev, "Microphone detection state invalid\n"); |
| 713 | mutex_unlock(&info->lock); |
| 714 | return IRQ_NONE; |
| 715 | } |
| 716 | |
| 717 | /* Due to jack detect this should never happen */ |
| 718 | if (!(val & ARIZONA_MICD_STS)) { |
| 719 | dev_warn(arizona->dev, "Detected open circuit\n"); |
| 720 | info->detecting = false; |
| 721 | goto handled; |
| 722 | } |
| 723 | |
| 724 | /* If we got a high impedence we should have a headset, report it. */ |
| 725 | if (info->detecting && (val & 0x400)) { |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 726 | arizona_identify_headphone(info); |
| 727 | |
Mark Brown | 325c642 | 2012-06-28 13:08:30 +0100 | [diff] [blame] | 728 | ret = extcon_update_state(&info->edev, |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 729 | 1 << ARIZONA_CABLE_MICROPHONE, |
| 730 | 1 << ARIZONA_CABLE_MICROPHONE); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 731 | |
| 732 | if (ret != 0) |
| 733 | dev_err(arizona->dev, "Headset report failed: %d\n", |
| 734 | ret); |
| 735 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 736 | /* Don't need to regulate for button detection */ |
| 737 | ret = regulator_allow_bypass(info->micvdd, false); |
| 738 | if (ret != 0) { |
| 739 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", |
| 740 | ret); |
| 741 | } |
| 742 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 743 | info->mic = true; |
| 744 | info->detecting = false; |
| 745 | goto handled; |
| 746 | } |
| 747 | |
| 748 | /* If we detected a lower impedence during initial startup |
| 749 | * then we probably have the wrong polarity, flip it. Don't |
| 750 | * do this for the lowest impedences to speed up detection of |
| 751 | * plain headphones. If both polarities report a low |
| 752 | * impedence then give up and report headphones. |
| 753 | */ |
| 754 | if (info->detecting && (val & 0x3f8)) { |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 755 | if (info->jack_flips >= info->micd_num_modes) { |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 756 | dev_dbg(arizona->dev, "Detected HP/line\n"); |
| 757 | arizona_identify_headphone(info); |
Mark Brown | 9ef2224d | 2012-06-28 13:08:31 +0100 | [diff] [blame] | 758 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 759 | info->detecting = false; |
| 760 | |
| 761 | arizona_stop_mic(info); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 762 | } else { |
| 763 | info->micd_mode++; |
| 764 | if (info->micd_mode == info->micd_num_modes) |
| 765 | info->micd_mode = 0; |
| 766 | arizona_extcon_set_mode(info, info->micd_mode); |
| 767 | |
| 768 | info->jack_flips++; |
| 769 | } |
| 770 | |
| 771 | goto handled; |
| 772 | } |
| 773 | |
| 774 | /* |
| 775 | * If we're still detecting and we detect a short then we've |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 776 | * got a headphone. Otherwise it's a button press. |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 777 | */ |
| 778 | if (val & 0x3fc) { |
| 779 | if (info->mic) { |
| 780 | dev_dbg(arizona->dev, "Mic button detected\n"); |
| 781 | |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 782 | lvl = val & ARIZONA_MICD_LVL_MASK; |
| 783 | lvl >>= ARIZONA_MICD_LVL_SHIFT; |
| 784 | |
| 785 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) |
| 786 | if (lvl & arizona_lvl_to_key[i].status) |
| 787 | input_report_key(info->input, |
| 788 | arizona_lvl_to_key[i].report, |
| 789 | 1); |
| 790 | input_sync(info->input); |
| 791 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 792 | } else if (info->detecting) { |
| 793 | dev_dbg(arizona->dev, "Headphone detected\n"); |
| 794 | info->detecting = false; |
| 795 | arizona_stop_mic(info); |
| 796 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 797 | arizona_identify_headphone(info); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 798 | } else { |
| 799 | dev_warn(arizona->dev, "Button with no mic: %x\n", |
| 800 | val); |
| 801 | } |
| 802 | } else { |
| 803 | dev_dbg(arizona->dev, "Mic button released\n"); |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 804 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) |
| 805 | input_report_key(info->input, |
| 806 | arizona_lvl_to_key[i].report, 0); |
| 807 | input_sync(info->input); |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 808 | arizona_extcon_pulse_micbias(info); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 809 | } |
| 810 | |
| 811 | handled: |
| 812 | pm_runtime_mark_last_busy(info->dev); |
| 813 | mutex_unlock(&info->lock); |
| 814 | |
| 815 | return IRQ_HANDLED; |
| 816 | } |
| 817 | |
Mark Brown | 0e27bd3 | 2013-02-05 21:00:15 +0000 | [diff] [blame^] | 818 | static void arizona_hpdet_work(struct work_struct *work) |
| 819 | { |
| 820 | struct arizona_extcon_info *info = container_of(work, |
| 821 | struct arizona_extcon_info, |
| 822 | hpdet_work.work); |
| 823 | |
| 824 | mutex_lock(&info->lock); |
| 825 | arizona_start_hpdet_acc_id(info); |
| 826 | mutex_unlock(&info->lock); |
| 827 | } |
| 828 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 829 | static irqreturn_t arizona_jackdet(int irq, void *data) |
| 830 | { |
| 831 | struct arizona_extcon_info *info = data; |
| 832 | struct arizona *arizona = info->arizona; |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 833 | unsigned int val, present, mask; |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 834 | int ret, i; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 835 | |
| 836 | pm_runtime_get_sync(info->dev); |
| 837 | |
Mark Brown | 0e27bd3 | 2013-02-05 21:00:15 +0000 | [diff] [blame^] | 838 | cancel_delayed_work_sync(&info->hpdet_work); |
| 839 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 840 | mutex_lock(&info->lock); |
| 841 | |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 842 | if (arizona->pdata.jd_gpio5) { |
| 843 | mask = ARIZONA_MICD_CLAMP_STS; |
| 844 | present = 0; |
| 845 | } else { |
| 846 | mask = ARIZONA_JD1_STS; |
| 847 | present = ARIZONA_JD1_STS; |
| 848 | } |
| 849 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 850 | ret = regmap_read(arizona->regmap, ARIZONA_AOD_IRQ_RAW_STATUS, &val); |
| 851 | if (ret != 0) { |
| 852 | dev_err(arizona->dev, "Failed to read jackdet status: %d\n", |
| 853 | ret); |
| 854 | mutex_unlock(&info->lock); |
| 855 | pm_runtime_put_autosuspend(info->dev); |
| 856 | return IRQ_NONE; |
| 857 | } |
| 858 | |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 859 | if ((val & mask) == present) { |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 860 | dev_dbg(arizona->dev, "Detected jack\n"); |
Mark Brown | 325c642 | 2012-06-28 13:08:30 +0100 | [diff] [blame] | 861 | ret = extcon_set_cable_state_(&info->edev, |
| 862 | ARIZONA_CABLE_MECHANICAL, true); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 863 | |
| 864 | if (ret != 0) |
| 865 | dev_err(arizona->dev, "Mechanical report failed: %d\n", |
| 866 | ret); |
| 867 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 868 | if (!arizona->pdata.hpdet_acc_id) { |
| 869 | info->detecting = true; |
| 870 | info->mic = false; |
| 871 | info->jack_flips = 0; |
| 872 | |
| 873 | arizona_start_mic(info); |
| 874 | } else { |
Mark Brown | 0e27bd3 | 2013-02-05 21:00:15 +0000 | [diff] [blame^] | 875 | schedule_delayed_work(&info->hpdet_work, |
| 876 | msecs_to_jiffies(250)); |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 877 | } |
Mark Brown | 4e61687 | 2013-01-15 22:09:20 +0900 | [diff] [blame] | 878 | |
| 879 | regmap_update_bits(arizona->regmap, |
| 880 | ARIZONA_JACK_DETECT_DEBOUNCE, |
| 881 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, 0); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 882 | } else { |
| 883 | dev_dbg(arizona->dev, "Detected jack removal\n"); |
| 884 | |
| 885 | arizona_stop_mic(info); |
| 886 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 887 | info->num_hpdet_res = 0; |
| 888 | for (i = 0; i < ARRAY_SIZE(info->hpdet_res); i++) |
| 889 | info->hpdet_res[i] = 0; |
| 890 | info->mic = false; |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 891 | |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 892 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) |
| 893 | input_report_key(info->input, |
| 894 | arizona_lvl_to_key[i].report, 0); |
| 895 | input_sync(info->input); |
| 896 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 897 | ret = extcon_update_state(&info->edev, 0xffffffff, 0); |
| 898 | if (ret != 0) |
| 899 | dev_err(arizona->dev, "Removal report failed: %d\n", |
| 900 | ret); |
Mark Brown | 4e61687 | 2013-01-15 22:09:20 +0900 | [diff] [blame] | 901 | |
| 902 | regmap_update_bits(arizona->regmap, |
| 903 | ARIZONA_JACK_DETECT_DEBOUNCE, |
| 904 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, |
| 905 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 906 | } |
| 907 | |
| 908 | mutex_unlock(&info->lock); |
| 909 | |
| 910 | pm_runtime_mark_last_busy(info->dev); |
| 911 | pm_runtime_put_autosuspend(info->dev); |
| 912 | |
| 913 | return IRQ_HANDLED; |
| 914 | } |
| 915 | |
Bill Pemberton | 44f34fd | 2012-11-19 13:23:21 -0500 | [diff] [blame] | 916 | static int arizona_extcon_probe(struct platform_device *pdev) |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 917 | { |
| 918 | struct arizona *arizona = dev_get_drvdata(pdev->dev.parent); |
| 919 | struct arizona_pdata *pdata; |
| 920 | struct arizona_extcon_info *info; |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 921 | int jack_irq_fall, jack_irq_rise; |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 922 | int ret, mode, i; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 923 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 924 | if (!arizona->dapm || !arizona->dapm->card) |
| 925 | return -EPROBE_DEFER; |
| 926 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 927 | pdata = dev_get_platdata(arizona->dev); |
| 928 | |
| 929 | info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); |
| 930 | if (!info) { |
Peter Meerwald | 8e5f501 | 2012-08-23 09:11:50 +0900 | [diff] [blame] | 931 | dev_err(&pdev->dev, "Failed to allocate memory\n"); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 932 | ret = -ENOMEM; |
| 933 | goto err; |
| 934 | } |
| 935 | |
| 936 | info->micvdd = devm_regulator_get(arizona->dev, "MICVDD"); |
| 937 | if (IS_ERR(info->micvdd)) { |
| 938 | ret = PTR_ERR(info->micvdd); |
| 939 | dev_err(arizona->dev, "Failed to get MICVDD: %d\n", ret); |
| 940 | goto err; |
| 941 | } |
| 942 | |
| 943 | mutex_init(&info->lock); |
| 944 | info->arizona = arizona; |
| 945 | info->dev = &pdev->dev; |
Mark Brown | 0e27bd3 | 2013-02-05 21:00:15 +0000 | [diff] [blame^] | 946 | INIT_DELAYED_WORK(&info->hpdet_work, arizona_hpdet_work); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 947 | platform_set_drvdata(pdev, info); |
| 948 | |
| 949 | switch (arizona->type) { |
| 950 | case WM5102: |
| 951 | switch (arizona->rev) { |
| 952 | case 0: |
| 953 | info->micd_reva = true; |
| 954 | break; |
| 955 | default: |
Mark Brown | dab63eb | 2013-01-11 08:55:36 +0900 | [diff] [blame] | 956 | info->micd_clamp = true; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 957 | info->hpdet_ip = 1; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 958 | break; |
| 959 | } |
| 960 | break; |
| 961 | default: |
| 962 | break; |
| 963 | } |
| 964 | |
| 965 | info->edev.name = "Headset Jack"; |
| 966 | info->edev.supported_cable = arizona_cable; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 967 | |
| 968 | ret = extcon_dev_register(&info->edev, arizona->dev); |
| 969 | if (ret < 0) { |
Peter Meerwald | 8e5f501 | 2012-08-23 09:11:50 +0900 | [diff] [blame] | 970 | dev_err(arizona->dev, "extcon_dev_register() failed: %d\n", |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 971 | ret); |
| 972 | goto err; |
| 973 | } |
| 974 | |
| 975 | if (pdata->num_micd_configs) { |
| 976 | info->micd_modes = pdata->micd_configs; |
| 977 | info->micd_num_modes = pdata->num_micd_configs; |
| 978 | } else { |
| 979 | info->micd_modes = micd_default_modes; |
| 980 | info->micd_num_modes = ARRAY_SIZE(micd_default_modes); |
| 981 | } |
| 982 | |
| 983 | if (arizona->pdata.micd_pol_gpio > 0) { |
| 984 | if (info->micd_modes[0].gpio) |
| 985 | mode = GPIOF_OUT_INIT_HIGH; |
| 986 | else |
| 987 | mode = GPIOF_OUT_INIT_LOW; |
| 988 | |
| 989 | ret = devm_gpio_request_one(&pdev->dev, |
| 990 | arizona->pdata.micd_pol_gpio, |
| 991 | mode, |
| 992 | "MICD polarity"); |
| 993 | if (ret != 0) { |
| 994 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", |
| 995 | arizona->pdata.micd_pol_gpio, ret); |
| 996 | goto err_register; |
| 997 | } |
| 998 | } |
| 999 | |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 1000 | if (arizona->pdata.hpdet_id_gpio > 0) { |
| 1001 | ret = devm_gpio_request_one(&pdev->dev, |
| 1002 | arizona->pdata.hpdet_id_gpio, |
| 1003 | GPIOF_OUT_INIT_LOW, |
| 1004 | "HPDET"); |
| 1005 | if (ret != 0) { |
| 1006 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", |
| 1007 | arizona->pdata.hpdet_id_gpio, ret); |
| 1008 | goto err_register; |
| 1009 | } |
| 1010 | } |
| 1011 | |
Mark Brown | b17e546 | 2013-01-11 08:55:24 +0900 | [diff] [blame] | 1012 | if (arizona->pdata.micd_bias_start_time) |
| 1013 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
| 1014 | ARIZONA_MICD_BIAS_STARTTIME_MASK, |
| 1015 | arizona->pdata.micd_bias_start_time |
| 1016 | << ARIZONA_MICD_BIAS_STARTTIME_SHIFT); |
| 1017 | |
Mark Brown | 2e033db | 2013-01-21 17:36:33 +0900 | [diff] [blame] | 1018 | if (arizona->pdata.micd_rate) |
| 1019 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
| 1020 | ARIZONA_MICD_RATE_MASK, |
| 1021 | arizona->pdata.micd_rate |
| 1022 | << ARIZONA_MICD_RATE_SHIFT); |
| 1023 | |
| 1024 | if (arizona->pdata.micd_dbtime) |
| 1025 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
| 1026 | ARIZONA_MICD_DBTIME_MASK, |
| 1027 | arizona->pdata.micd_dbtime |
| 1028 | << ARIZONA_MICD_DBTIME_SHIFT); |
| 1029 | |
Mark Brown | dab63eb | 2013-01-11 08:55:36 +0900 | [diff] [blame] | 1030 | /* |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1031 | * If we have a clamp use it, activating in conjunction with |
| 1032 | * GPIO5 if that is connected for jack detect operation. |
Mark Brown | dab63eb | 2013-01-11 08:55:36 +0900 | [diff] [blame] | 1033 | */ |
| 1034 | if (info->micd_clamp) { |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1035 | if (arizona->pdata.jd_gpio5) { |
| 1036 | /* Put the GPIO into input mode */ |
| 1037 | regmap_write(arizona->regmap, ARIZONA_GPIO5_CTRL, |
| 1038 | 0xc101); |
| 1039 | |
| 1040 | regmap_update_bits(arizona->regmap, |
| 1041 | ARIZONA_MICD_CLAMP_CONTROL, |
| 1042 | ARIZONA_MICD_CLAMP_MODE_MASK, 0x9); |
| 1043 | } else { |
| 1044 | regmap_update_bits(arizona->regmap, |
| 1045 | ARIZONA_MICD_CLAMP_CONTROL, |
| 1046 | ARIZONA_MICD_CLAMP_MODE_MASK, 0x4); |
| 1047 | } |
| 1048 | |
Mark Brown | dab63eb | 2013-01-11 08:55:36 +0900 | [diff] [blame] | 1049 | regmap_update_bits(arizona->regmap, |
| 1050 | ARIZONA_JACK_DETECT_DEBOUNCE, |
| 1051 | ARIZONA_MICD_CLAMP_DB, |
| 1052 | ARIZONA_MICD_CLAMP_DB); |
| 1053 | } |
| 1054 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1055 | arizona_extcon_set_mode(info, 0); |
| 1056 | |
Mark Brown | 3d44ea1 | 2013-01-11 08:51:13 +0900 | [diff] [blame] | 1057 | info->input = devm_input_allocate_device(&pdev->dev); |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 1058 | if (!info->input) { |
| 1059 | dev_err(arizona->dev, "Can't allocate input dev\n"); |
| 1060 | ret = -ENOMEM; |
| 1061 | goto err_register; |
| 1062 | } |
| 1063 | |
| 1064 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) |
| 1065 | input_set_capability(info->input, EV_KEY, |
| 1066 | arizona_lvl_to_key[i].report); |
| 1067 | info->input->name = "Headset"; |
| 1068 | info->input->phys = "arizona/extcon"; |
| 1069 | info->input->dev.parent = &pdev->dev; |
| 1070 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1071 | pm_runtime_enable(&pdev->dev); |
| 1072 | pm_runtime_idle(&pdev->dev); |
| 1073 | pm_runtime_get_sync(&pdev->dev); |
| 1074 | |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1075 | if (arizona->pdata.jd_gpio5) { |
| 1076 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; |
| 1077 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; |
| 1078 | } else { |
| 1079 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; |
| 1080 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; |
| 1081 | } |
| 1082 | |
| 1083 | ret = arizona_request_irq(arizona, jack_irq_rise, |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1084 | "JACKDET rise", arizona_jackdet, info); |
| 1085 | if (ret != 0) { |
| 1086 | dev_err(&pdev->dev, "Failed to get JACKDET rise IRQ: %d\n", |
| 1087 | ret); |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 1088 | goto err_input; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1089 | } |
| 1090 | |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1091 | ret = arizona_set_irq_wake(arizona, jack_irq_rise, 1); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1092 | if (ret != 0) { |
| 1093 | dev_err(&pdev->dev, "Failed to set JD rise IRQ wake: %d\n", |
| 1094 | ret); |
| 1095 | goto err_rise; |
| 1096 | } |
| 1097 | |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1098 | ret = arizona_request_irq(arizona, jack_irq_fall, |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1099 | "JACKDET fall", arizona_jackdet, info); |
| 1100 | if (ret != 0) { |
| 1101 | dev_err(&pdev->dev, "Failed to get JD fall IRQ: %d\n", ret); |
| 1102 | goto err_rise_wake; |
| 1103 | } |
| 1104 | |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1105 | ret = arizona_set_irq_wake(arizona, jack_irq_fall, 1); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1106 | if (ret != 0) { |
| 1107 | dev_err(&pdev->dev, "Failed to set JD fall IRQ wake: %d\n", |
| 1108 | ret); |
| 1109 | goto err_fall; |
| 1110 | } |
| 1111 | |
| 1112 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_MICDET, |
| 1113 | "MICDET", arizona_micdet, info); |
| 1114 | if (ret != 0) { |
| 1115 | dev_err(&pdev->dev, "Failed to get MICDET IRQ: %d\n", ret); |
| 1116 | goto err_fall_wake; |
| 1117 | } |
| 1118 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 1119 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_HPDET, |
| 1120 | "HPDET", arizona_hpdet_irq, info); |
| 1121 | if (ret != 0) { |
| 1122 | dev_err(&pdev->dev, "Failed to get HPDET IRQ: %d\n", ret); |
| 1123 | goto err_micdet; |
| 1124 | } |
| 1125 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1126 | arizona_clk32k_enable(arizona); |
| 1127 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE, |
| 1128 | ARIZONA_JD1_DB, ARIZONA_JD1_DB); |
| 1129 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, |
| 1130 | ARIZONA_JD1_ENA, ARIZONA_JD1_ENA); |
| 1131 | |
Mark Brown | b8575a1 | 2012-09-07 17:01:15 +0800 | [diff] [blame] | 1132 | ret = regulator_allow_bypass(info->micvdd, true); |
| 1133 | if (ret != 0) |
| 1134 | dev_warn(arizona->dev, "Failed to set MICVDD to bypass: %d\n", |
| 1135 | ret); |
| 1136 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1137 | pm_runtime_put(&pdev->dev); |
| 1138 | |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 1139 | ret = input_register_device(info->input); |
| 1140 | if (ret) { |
| 1141 | dev_err(&pdev->dev, "Can't register input device: %d\n", ret); |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 1142 | goto err_hpdet; |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 1143 | } |
| 1144 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1145 | return 0; |
| 1146 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 1147 | err_hpdet: |
| 1148 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); |
Mark Brown | 80732cc | 2012-08-26 13:58:20 -0700 | [diff] [blame] | 1149 | err_micdet: |
| 1150 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1151 | err_fall_wake: |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1152 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1153 | err_fall: |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1154 | arizona_free_irq(arizona, jack_irq_fall, info); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1155 | err_rise_wake: |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1156 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1157 | err_rise: |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1158 | arizona_free_irq(arizona, jack_irq_rise, info); |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 1159 | err_input: |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1160 | err_register: |
| 1161 | pm_runtime_disable(&pdev->dev); |
| 1162 | extcon_dev_unregister(&info->edev); |
| 1163 | err: |
| 1164 | return ret; |
| 1165 | } |
| 1166 | |
Bill Pemberton | 93ed032 | 2012-11-19 13:25:49 -0500 | [diff] [blame] | 1167 | static int arizona_extcon_remove(struct platform_device *pdev) |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1168 | { |
| 1169 | struct arizona_extcon_info *info = platform_get_drvdata(pdev); |
| 1170 | struct arizona *arizona = info->arizona; |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1171 | int jack_irq_rise, jack_irq_fall; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1172 | |
| 1173 | pm_runtime_disable(&pdev->dev); |
| 1174 | |
Mark Brown | dab63eb | 2013-01-11 08:55:36 +0900 | [diff] [blame] | 1175 | regmap_update_bits(arizona->regmap, |
| 1176 | ARIZONA_MICD_CLAMP_CONTROL, |
| 1177 | ARIZONA_MICD_CLAMP_MODE_MASK, 0); |
| 1178 | |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1179 | if (arizona->pdata.jd_gpio5) { |
| 1180 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; |
| 1181 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; |
| 1182 | } else { |
| 1183 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; |
| 1184 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; |
| 1185 | } |
| 1186 | |
| 1187 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); |
| 1188 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); |
| 1189 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1190 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1191 | arizona_free_irq(arizona, jack_irq_rise, info); |
| 1192 | arizona_free_irq(arizona, jack_irq_fall, info); |
Mark Brown | 0e27bd3 | 2013-02-05 21:00:15 +0000 | [diff] [blame^] | 1193 | cancel_delayed_work_sync(&info->hpdet_work); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1194 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, |
| 1195 | ARIZONA_JD1_ENA, 0); |
| 1196 | arizona_clk32k_disable(arizona); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1197 | extcon_dev_unregister(&info->edev); |
| 1198 | |
| 1199 | return 0; |
| 1200 | } |
| 1201 | |
| 1202 | static struct platform_driver arizona_extcon_driver = { |
| 1203 | .driver = { |
| 1204 | .name = "arizona-extcon", |
| 1205 | .owner = THIS_MODULE, |
| 1206 | }, |
| 1207 | .probe = arizona_extcon_probe, |
Bill Pemberton | 5f7e222 | 2012-11-19 13:20:06 -0500 | [diff] [blame] | 1208 | .remove = arizona_extcon_remove, |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1209 | }; |
| 1210 | |
| 1211 | module_platform_driver(arizona_extcon_driver); |
| 1212 | |
| 1213 | MODULE_DESCRIPTION("Arizona Extcon driver"); |
| 1214 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); |
| 1215 | MODULE_LICENSE("GPL"); |
| 1216 | MODULE_ALIAS("platform:extcon-arizona"); |