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; |
Mark Brown | bf14ee5 | 2013-02-05 20:20:17 +0000 | [diff] [blame] | 59 | bool hpdet_done; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 60 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 61 | int num_hpdet_res; |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 62 | unsigned int hpdet_res[3]; |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 63 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 64 | bool mic; |
| 65 | bool detecting; |
| 66 | int jack_flips; |
| 67 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 68 | int hpdet_ip; |
| 69 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 70 | struct extcon_dev edev; |
| 71 | }; |
| 72 | |
| 73 | static const struct arizona_micd_config micd_default_modes[] = { |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 74 | { 0, 2 << ARIZONA_MICD_BIAS_SRC_SHIFT, 1 }, |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 75 | { ARIZONA_ACCDET_SRC, 1 << ARIZONA_MICD_BIAS_SRC_SHIFT, 0 }, |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 76 | }; |
| 77 | |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 78 | static struct { |
| 79 | u16 status; |
| 80 | int report; |
| 81 | } arizona_lvl_to_key[ARIZONA_NUM_BUTTONS] = { |
| 82 | { 0x1, BTN_0 }, |
| 83 | { 0x2, BTN_1 }, |
| 84 | { 0x4, BTN_2 }, |
| 85 | { 0x8, BTN_3 }, |
| 86 | { 0x10, BTN_4 }, |
| 87 | { 0x20, BTN_5 }, |
| 88 | }; |
| 89 | |
Mark Brown | 325c642 | 2012-06-28 13:08:30 +0100 | [diff] [blame] | 90 | #define ARIZONA_CABLE_MECHANICAL 0 |
| 91 | #define ARIZONA_CABLE_MICROPHONE 1 |
| 92 | #define ARIZONA_CABLE_HEADPHONE 2 |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 93 | #define ARIZONA_CABLE_LINEOUT 3 |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 94 | |
| 95 | static const char *arizona_cable[] = { |
Mark Brown | 325c642 | 2012-06-28 13:08:30 +0100 | [diff] [blame] | 96 | "Mechanical", |
| 97 | "Microphone", |
| 98 | "Headphone", |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 99 | "Line-out", |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 100 | NULL, |
| 101 | }; |
| 102 | |
Mark Brown | 0340907 | 2013-02-12 13:00:31 +0000 | [diff] [blame] | 103 | static void arizona_extcon_do_magic(struct arizona_extcon_info *info, |
| 104 | unsigned int magic) |
| 105 | { |
| 106 | struct arizona *arizona = info->arizona; |
Mark Brown | 0340907 | 2013-02-12 13:00:31 +0000 | [diff] [blame] | 107 | int ret; |
| 108 | |
| 109 | mutex_lock(&arizona->dapm->card->dapm_mutex); |
| 110 | |
Mark Brown | df8c3db | 2013-02-22 18:38:03 +0000 | [diff] [blame^] | 111 | arizona->hpdet_magic = magic; |
| 112 | |
| 113 | /* Keep the HP output stages disabled while doing the magic */ |
| 114 | if (magic) { |
| 115 | ret = regmap_update_bits(arizona->regmap, |
| 116 | ARIZONA_OUTPUT_ENABLES_1, |
| 117 | ARIZONA_OUT1L_ENA | |
| 118 | ARIZONA_OUT1R_ENA, 0); |
| 119 | if (ret != 0) |
| 120 | dev_warn(arizona->dev, |
| 121 | "Failed to disable headphone outputs: %d\n", |
| 122 | ret); |
Mark Brown | 0340907 | 2013-02-12 13:00:31 +0000 | [diff] [blame] | 123 | } |
| 124 | |
Mark Brown | df8c3db | 2013-02-22 18:38:03 +0000 | [diff] [blame^] | 125 | ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000, |
| 126 | magic); |
| 127 | if (ret != 0) |
| 128 | dev_warn(arizona->dev, "Failed to do magic: %d\n", |
Mark Brown | 0340907 | 2013-02-12 13:00:31 +0000 | [diff] [blame] | 129 | ret); |
| 130 | |
Mark Brown | df8c3db | 2013-02-22 18:38:03 +0000 | [diff] [blame^] | 131 | ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000, |
| 132 | magic); |
| 133 | if (ret != 0) |
| 134 | dev_warn(arizona->dev, "Failed to do magic: %d\n", |
| 135 | ret); |
| 136 | |
| 137 | /* Restore the desired state while not doing the magic */ |
| 138 | if (!magic) { |
| 139 | ret = regmap_update_bits(arizona->regmap, |
| 140 | ARIZONA_OUTPUT_ENABLES_1, |
| 141 | ARIZONA_OUT1L_ENA | |
| 142 | ARIZONA_OUT1R_ENA, arizona->hp_ena); |
Mark Brown | 0340907 | 2013-02-12 13:00:31 +0000 | [diff] [blame] | 143 | if (ret != 0) |
Mark Brown | df8c3db | 2013-02-22 18:38:03 +0000 | [diff] [blame^] | 144 | dev_warn(arizona->dev, |
| 145 | "Failed to restore headphone outputs: %d\n", |
Mark Brown | 0340907 | 2013-02-12 13:00:31 +0000 | [diff] [blame] | 146 | ret); |
| 147 | } |
| 148 | |
| 149 | mutex_unlock(&arizona->dapm->card->dapm_mutex); |
| 150 | } |
| 151 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 152 | static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode) |
| 153 | { |
| 154 | struct arizona *arizona = info->arizona; |
| 155 | |
Mark Brown | cd74f7b | 2012-11-27 16:14:26 +0900 | [diff] [blame] | 156 | if (arizona->pdata.micd_pol_gpio > 0) |
| 157 | gpio_set_value_cansleep(arizona->pdata.micd_pol_gpio, |
| 158 | info->micd_modes[mode].gpio); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 159 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
| 160 | ARIZONA_MICD_BIAS_SRC_MASK, |
| 161 | info->micd_modes[mode].bias); |
| 162 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 163 | ARIZONA_ACCDET_SRC, info->micd_modes[mode].src); |
| 164 | |
| 165 | info->micd_mode = mode; |
| 166 | |
| 167 | dev_dbg(arizona->dev, "Set jack polarity to %d\n", mode); |
| 168 | } |
| 169 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 170 | static const char *arizona_extcon_get_micbias(struct arizona_extcon_info *info) |
| 171 | { |
| 172 | switch (info->micd_modes[0].bias >> ARIZONA_MICD_BIAS_SRC_SHIFT) { |
| 173 | case 1: |
| 174 | return "MICBIAS1"; |
| 175 | case 2: |
| 176 | return "MICBIAS2"; |
| 177 | case 3: |
| 178 | return "MICBIAS3"; |
| 179 | default: |
| 180 | return "MICVDD"; |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | static void arizona_extcon_pulse_micbias(struct arizona_extcon_info *info) |
| 185 | { |
| 186 | struct arizona *arizona = info->arizona; |
| 187 | const char *widget = arizona_extcon_get_micbias(info); |
| 188 | struct snd_soc_dapm_context *dapm = arizona->dapm; |
| 189 | int ret; |
| 190 | |
| 191 | mutex_lock(&dapm->card->dapm_mutex); |
| 192 | |
| 193 | ret = snd_soc_dapm_force_enable_pin(dapm, widget); |
| 194 | if (ret != 0) |
| 195 | dev_warn(arizona->dev, "Failed to enable %s: %d\n", |
| 196 | widget, ret); |
| 197 | |
| 198 | mutex_unlock(&dapm->card->dapm_mutex); |
| 199 | |
| 200 | snd_soc_dapm_sync(dapm); |
| 201 | |
| 202 | if (!arizona->pdata.micd_force_micbias) { |
| 203 | mutex_lock(&dapm->card->dapm_mutex); |
| 204 | |
| 205 | ret = snd_soc_dapm_disable_pin(arizona->dapm, widget); |
| 206 | if (ret != 0) |
| 207 | dev_warn(arizona->dev, "Failed to disable %s: %d\n", |
| 208 | widget, ret); |
| 209 | |
| 210 | mutex_unlock(&dapm->card->dapm_mutex); |
| 211 | |
| 212 | snd_soc_dapm_sync(dapm); |
| 213 | } |
| 214 | } |
| 215 | |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 216 | static void arizona_start_mic(struct arizona_extcon_info *info) |
| 217 | { |
| 218 | struct arizona *arizona = info->arizona; |
| 219 | bool change; |
| 220 | int ret; |
| 221 | |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 222 | /* Microphone detection can't use idle mode */ |
| 223 | pm_runtime_get(info->dev); |
| 224 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 225 | if (info->detecting) { |
| 226 | ret = regulator_allow_bypass(info->micvdd, false); |
| 227 | if (ret != 0) { |
| 228 | dev_err(arizona->dev, |
| 229 | "Failed to regulate MICVDD: %d\n", |
| 230 | ret); |
| 231 | } |
| 232 | } |
| 233 | |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 234 | ret = regulator_enable(info->micvdd); |
| 235 | if (ret != 0) { |
| 236 | dev_err(arizona->dev, "Failed to enable MICVDD: %d\n", |
| 237 | ret); |
| 238 | } |
| 239 | |
| 240 | if (info->micd_reva) { |
| 241 | regmap_write(arizona->regmap, 0x80, 0x3); |
| 242 | regmap_write(arizona->regmap, 0x294, 0); |
| 243 | regmap_write(arizona->regmap, 0x80, 0x0); |
| 244 | } |
| 245 | |
| 246 | regmap_update_bits(arizona->regmap, |
| 247 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 248 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); |
| 249 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 250 | arizona_extcon_pulse_micbias(info); |
| 251 | |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 252 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, |
| 253 | ARIZONA_MICD_ENA, ARIZONA_MICD_ENA, |
| 254 | &change); |
| 255 | if (!change) { |
| 256 | regulator_disable(info->micvdd); |
| 257 | pm_runtime_put_autosuspend(info->dev); |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | static void arizona_stop_mic(struct arizona_extcon_info *info) |
| 262 | { |
| 263 | struct arizona *arizona = info->arizona; |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 264 | const char *widget = arizona_extcon_get_micbias(info); |
| 265 | struct snd_soc_dapm_context *dapm = arizona->dapm; |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 266 | bool change; |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 267 | int ret; |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 268 | |
| 269 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, |
| 270 | ARIZONA_MICD_ENA, 0, |
| 271 | &change); |
| 272 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 273 | mutex_lock(&dapm->card->dapm_mutex); |
| 274 | |
| 275 | ret = snd_soc_dapm_disable_pin(dapm, widget); |
| 276 | if (ret != 0) |
| 277 | dev_warn(arizona->dev, |
| 278 | "Failed to disable %s: %d\n", |
| 279 | widget, ret); |
| 280 | |
| 281 | mutex_unlock(&dapm->card->dapm_mutex); |
| 282 | |
| 283 | snd_soc_dapm_sync(dapm); |
| 284 | |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 285 | if (info->micd_reva) { |
| 286 | regmap_write(arizona->regmap, 0x80, 0x3); |
| 287 | regmap_write(arizona->regmap, 0x294, 2); |
| 288 | regmap_write(arizona->regmap, 0x80, 0x0); |
| 289 | } |
| 290 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 291 | ret = regulator_allow_bypass(info->micvdd, true); |
| 292 | if (ret != 0) { |
| 293 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", |
| 294 | ret); |
| 295 | } |
| 296 | |
Mark Brown | 9b1270c | 2013-01-11 08:55:46 +0900 | [diff] [blame] | 297 | if (change) { |
| 298 | regulator_disable(info->micvdd); |
| 299 | pm_runtime_mark_last_busy(info->dev); |
| 300 | pm_runtime_put_autosuspend(info->dev); |
| 301 | } |
| 302 | } |
| 303 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 304 | static struct { |
| 305 | unsigned int factor_a; |
| 306 | unsigned int factor_b; |
| 307 | } arizona_hpdet_b_ranges[] = { |
| 308 | { 5528, 362464 }, |
| 309 | { 11084, 6186851 }, |
| 310 | { 11065, 65460395 }, |
| 311 | }; |
| 312 | |
| 313 | static struct { |
| 314 | int min; |
| 315 | int max; |
| 316 | } arizona_hpdet_c_ranges[] = { |
| 317 | { 0, 30 }, |
| 318 | { 8, 100 }, |
| 319 | { 100, 1000 }, |
| 320 | { 1000, 10000 }, |
| 321 | }; |
| 322 | |
| 323 | static int arizona_hpdet_read(struct arizona_extcon_info *info) |
| 324 | { |
| 325 | struct arizona *arizona = info->arizona; |
| 326 | unsigned int val, range; |
| 327 | int ret; |
| 328 | |
| 329 | ret = regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_2, &val); |
| 330 | if (ret != 0) { |
| 331 | dev_err(arizona->dev, "Failed to read HPDET status: %d\n", |
| 332 | ret); |
| 333 | return ret; |
| 334 | } |
| 335 | |
| 336 | switch (info->hpdet_ip) { |
| 337 | case 0: |
| 338 | if (!(val & ARIZONA_HP_DONE)) { |
| 339 | dev_err(arizona->dev, "HPDET did not complete: %x\n", |
| 340 | val); |
Mark Brown | e6dd8cf | 2013-01-21 17:30:02 +0900 | [diff] [blame] | 341 | return -EAGAIN; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 342 | } |
| 343 | |
| 344 | val &= ARIZONA_HP_LVL_MASK; |
| 345 | break; |
| 346 | |
| 347 | case 1: |
| 348 | if (!(val & ARIZONA_HP_DONE_B)) { |
| 349 | dev_err(arizona->dev, "HPDET did not complete: %x\n", |
| 350 | val); |
Mark Brown | e6dd8cf | 2013-01-21 17:30:02 +0900 | [diff] [blame] | 351 | return -EAGAIN; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 352 | } |
| 353 | |
| 354 | ret = regmap_read(arizona->regmap, ARIZONA_HP_DACVAL, &val); |
| 355 | if (ret != 0) { |
| 356 | dev_err(arizona->dev, "Failed to read HP value: %d\n", |
| 357 | ret); |
Mark Brown | e6dd8cf | 2013-01-21 17:30:02 +0900 | [diff] [blame] | 358 | return -EAGAIN; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 359 | } |
| 360 | |
| 361 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, |
| 362 | &range); |
| 363 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) |
| 364 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; |
| 365 | |
| 366 | if (range < ARRAY_SIZE(arizona_hpdet_b_ranges) - 1 && |
| 367 | (val < 100 || val > 0x3fb)) { |
| 368 | range++; |
| 369 | dev_dbg(arizona->dev, "Moving to HPDET range %d\n", |
| 370 | range); |
| 371 | regmap_update_bits(arizona->regmap, |
| 372 | ARIZONA_HEADPHONE_DETECT_1, |
| 373 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, |
| 374 | range << |
| 375 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); |
| 376 | return -EAGAIN; |
| 377 | } |
| 378 | |
| 379 | /* If we go out of range report top of range */ |
| 380 | if (val < 100 || val > 0x3fb) { |
| 381 | dev_dbg(arizona->dev, "Measurement out of range\n"); |
| 382 | return 10000; |
| 383 | } |
| 384 | |
| 385 | dev_dbg(arizona->dev, "HPDET read %d in range %d\n", |
| 386 | val, range); |
| 387 | |
| 388 | val = arizona_hpdet_b_ranges[range].factor_b |
| 389 | / ((val * 100) - |
| 390 | arizona_hpdet_b_ranges[range].factor_a); |
| 391 | break; |
| 392 | |
| 393 | default: |
| 394 | dev_warn(arizona->dev, "Unknown HPDET IP revision %d\n", |
| 395 | info->hpdet_ip); |
| 396 | case 2: |
| 397 | if (!(val & ARIZONA_HP_DONE_B)) { |
| 398 | dev_err(arizona->dev, "HPDET did not complete: %x\n", |
| 399 | val); |
Mark Brown | e6dd8cf | 2013-01-21 17:30:02 +0900 | [diff] [blame] | 400 | return -EAGAIN; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 401 | } |
| 402 | |
| 403 | val &= ARIZONA_HP_LVL_B_MASK; |
| 404 | |
| 405 | regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, |
| 406 | &range); |
| 407 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) |
| 408 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; |
| 409 | |
| 410 | /* Skip up or down a range? */ |
| 411 | if (range && (val < arizona_hpdet_c_ranges[range].min)) { |
| 412 | range--; |
| 413 | dev_dbg(arizona->dev, "Moving to HPDET range %d-%d\n", |
| 414 | arizona_hpdet_c_ranges[range].min, |
| 415 | arizona_hpdet_c_ranges[range].max); |
| 416 | regmap_update_bits(arizona->regmap, |
| 417 | ARIZONA_HEADPHONE_DETECT_1, |
| 418 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, |
| 419 | range << |
| 420 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); |
| 421 | return -EAGAIN; |
| 422 | } |
| 423 | |
| 424 | if (range < ARRAY_SIZE(arizona_hpdet_c_ranges) - 1 && |
| 425 | (val >= arizona_hpdet_c_ranges[range].max)) { |
| 426 | range++; |
| 427 | dev_dbg(arizona->dev, "Moving to HPDET range %d-%d\n", |
| 428 | arizona_hpdet_c_ranges[range].min, |
| 429 | arizona_hpdet_c_ranges[range].max); |
| 430 | regmap_update_bits(arizona->regmap, |
| 431 | ARIZONA_HEADPHONE_DETECT_1, |
| 432 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, |
| 433 | range << |
| 434 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); |
| 435 | return -EAGAIN; |
| 436 | } |
| 437 | } |
| 438 | |
| 439 | dev_dbg(arizona->dev, "HP impedance %d ohms\n", val); |
| 440 | return val; |
| 441 | } |
| 442 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 443 | static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading) |
| 444 | { |
| 445 | struct arizona *arizona = info->arizona; |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 446 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 447 | |
| 448 | /* |
| 449 | * If we're using HPDET for accessory identification we need |
| 450 | * to take multiple measurements, step through them in sequence. |
| 451 | */ |
| 452 | if (arizona->pdata.hpdet_acc_id) { |
| 453 | info->hpdet_res[info->num_hpdet_res++] = *reading; |
| 454 | |
| 455 | /* |
| 456 | * If the impedence is too high don't measure the |
| 457 | * second ground. |
| 458 | */ |
| 459 | if (info->num_hpdet_res == 1 && *reading >= 45) { |
| 460 | dev_dbg(arizona->dev, "Skipping ground flip\n"); |
| 461 | info->hpdet_res[info->num_hpdet_res++] = *reading; |
| 462 | } |
| 463 | |
| 464 | if (info->num_hpdet_res == 1) { |
| 465 | dev_dbg(arizona->dev, "Flipping ground\n"); |
| 466 | |
| 467 | regmap_update_bits(arizona->regmap, |
| 468 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 469 | ARIZONA_ACCDET_SRC, |
| 470 | ~info->micd_modes[0].src); |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 471 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 472 | regmap_update_bits(arizona->regmap, |
| 473 | ARIZONA_HEADPHONE_DETECT_1, |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 474 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); |
| 475 | return -EAGAIN; |
| 476 | } |
| 477 | |
| 478 | /* Only check the mic directly if we didn't already ID it */ |
| 479 | if (id_gpio && info->num_hpdet_res == 2 && |
| 480 | !((info->hpdet_res[0] > info->hpdet_res[1] * 2))) { |
| 481 | dev_dbg(arizona->dev, "Measuring mic\n"); |
| 482 | |
| 483 | regmap_update_bits(arizona->regmap, |
| 484 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 485 | ARIZONA_ACCDET_MODE_MASK | |
| 486 | ARIZONA_ACCDET_SRC, |
| 487 | ARIZONA_ACCDET_MODE_HPR | |
| 488 | info->micd_modes[0].src); |
| 489 | |
| 490 | gpio_set_value_cansleep(id_gpio, 1); |
| 491 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 492 | regmap_update_bits(arizona->regmap, |
| 493 | ARIZONA_HEADPHONE_DETECT_1, |
| 494 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); |
| 495 | return -EAGAIN; |
| 496 | } |
| 497 | |
| 498 | /* OK, got both. Now, compare... */ |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 499 | dev_dbg(arizona->dev, "HPDET measured %d %d %d\n", |
| 500 | info->hpdet_res[0], info->hpdet_res[1], |
| 501 | info->hpdet_res[2]); |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 502 | |
Mark Brown | c37b387 | 2013-02-05 17:48:49 +0000 | [diff] [blame] | 503 | |
| 504 | /* Take the headphone impedance for the main report */ |
| 505 | *reading = info->hpdet_res[0]; |
| 506 | |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 507 | /* |
| 508 | * Either the two grounds measure differently or we |
| 509 | * measure the mic as high impedance. |
| 510 | */ |
| 511 | if ((info->hpdet_res[0] > info->hpdet_res[1] * 2) || |
| 512 | (id_gpio && info->hpdet_res[2] > 10)) { |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 513 | dev_dbg(arizona->dev, "Detected mic\n"); |
| 514 | info->mic = true; |
Mark Brown | bf14ee5 | 2013-02-05 20:20:17 +0000 | [diff] [blame] | 515 | info->detecting = true; |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 516 | } else { |
| 517 | dev_dbg(arizona->dev, "Detected headphone\n"); |
| 518 | } |
| 519 | |
| 520 | /* Make sure everything is reset back to the real polarity */ |
| 521 | regmap_update_bits(arizona->regmap, |
| 522 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 523 | ARIZONA_ACCDET_SRC, |
| 524 | info->micd_modes[0].src); |
| 525 | } |
| 526 | |
| 527 | return 0; |
| 528 | } |
| 529 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 530 | static irqreturn_t arizona_hpdet_irq(int irq, void *data) |
| 531 | { |
| 532 | struct arizona_extcon_info *info = data; |
| 533 | struct arizona *arizona = info->arizona; |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 534 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 535 | int report = ARIZONA_CABLE_HEADPHONE; |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 536 | int ret, reading; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 537 | |
| 538 | mutex_lock(&info->lock); |
| 539 | |
| 540 | /* If we got a spurious IRQ for some reason then ignore it */ |
| 541 | if (!info->hpdet_active) { |
| 542 | dev_warn(arizona->dev, "Spurious HPDET IRQ\n"); |
| 543 | mutex_unlock(&info->lock); |
| 544 | return IRQ_NONE; |
| 545 | } |
| 546 | |
| 547 | /* If the cable was removed while measuring ignore the result */ |
| 548 | ret = extcon_get_cable_state_(&info->edev, ARIZONA_CABLE_MECHANICAL); |
| 549 | if (ret < 0) { |
| 550 | dev_err(arizona->dev, "Failed to check cable state: %d\n", |
| 551 | ret); |
| 552 | goto out; |
| 553 | } else if (!ret) { |
| 554 | dev_dbg(arizona->dev, "Ignoring HPDET for removed cable\n"); |
| 555 | goto done; |
| 556 | } |
| 557 | |
| 558 | ret = arizona_hpdet_read(info); |
| 559 | if (ret == -EAGAIN) { |
| 560 | goto out; |
| 561 | } else if (ret < 0) { |
| 562 | goto done; |
| 563 | } |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 564 | reading = ret; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 565 | |
| 566 | /* Reset back to starting range */ |
| 567 | regmap_update_bits(arizona->regmap, |
| 568 | ARIZONA_HEADPHONE_DETECT_1, |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 569 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, |
| 570 | 0); |
| 571 | |
| 572 | ret = arizona_hpdet_do_id(info, &reading); |
| 573 | if (ret == -EAGAIN) { |
| 574 | goto out; |
| 575 | } else if (ret < 0) { |
| 576 | goto done; |
| 577 | } |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 578 | |
| 579 | /* Report high impedence cables as line outputs */ |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 580 | if (reading >= 5000) |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 581 | report = ARIZONA_CABLE_LINEOUT; |
| 582 | else |
| 583 | report = ARIZONA_CABLE_HEADPHONE; |
| 584 | |
| 585 | ret = extcon_set_cable_state_(&info->edev, report, true); |
| 586 | if (ret != 0) |
| 587 | dev_err(arizona->dev, "Failed to report HP/line: %d\n", |
| 588 | ret); |
| 589 | |
Mark Brown | 0340907 | 2013-02-12 13:00:31 +0000 | [diff] [blame] | 590 | arizona_extcon_do_magic(info, 0); |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 591 | |
| 592 | done: |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 593 | if (id_gpio) |
| 594 | gpio_set_value_cansleep(id_gpio, 0); |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 595 | |
| 596 | /* Revert back to MICDET mode */ |
| 597 | regmap_update_bits(arizona->regmap, |
| 598 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 599 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); |
| 600 | |
| 601 | /* If we have a mic then reenable MICDET */ |
| 602 | if (info->mic) |
| 603 | arizona_start_mic(info); |
| 604 | |
| 605 | if (info->hpdet_active) { |
| 606 | pm_runtime_put_autosuspend(info->dev); |
| 607 | info->hpdet_active = false; |
| 608 | } |
| 609 | |
Mark Brown | bf14ee5 | 2013-02-05 20:20:17 +0000 | [diff] [blame] | 610 | info->hpdet_done = true; |
| 611 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 612 | out: |
| 613 | mutex_unlock(&info->lock); |
| 614 | |
| 615 | return IRQ_HANDLED; |
| 616 | } |
| 617 | |
| 618 | static void arizona_identify_headphone(struct arizona_extcon_info *info) |
| 619 | { |
| 620 | struct arizona *arizona = info->arizona; |
| 621 | int ret; |
| 622 | |
Mark Brown | bf14ee5 | 2013-02-05 20:20:17 +0000 | [diff] [blame] | 623 | if (info->hpdet_done) |
| 624 | return; |
| 625 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 626 | dev_dbg(arizona->dev, "Starting HPDET\n"); |
| 627 | |
| 628 | /* Make sure we keep the device enabled during the measurement */ |
| 629 | pm_runtime_get(info->dev); |
| 630 | |
| 631 | info->hpdet_active = true; |
| 632 | |
| 633 | if (info->mic) |
| 634 | arizona_stop_mic(info); |
| 635 | |
Mark Brown | 0340907 | 2013-02-12 13:00:31 +0000 | [diff] [blame] | 636 | arizona_extcon_do_magic(info, 0x4000); |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 637 | |
| 638 | ret = regmap_update_bits(arizona->regmap, |
| 639 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 640 | ARIZONA_ACCDET_MODE_MASK, |
| 641 | ARIZONA_ACCDET_MODE_HPL); |
| 642 | if (ret != 0) { |
| 643 | dev_err(arizona->dev, "Failed to set HPDETL mode: %d\n", ret); |
| 644 | goto err; |
| 645 | } |
| 646 | |
| 647 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, |
| 648 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); |
| 649 | if (ret != 0) { |
| 650 | dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n", |
| 651 | ret); |
| 652 | goto err; |
| 653 | } |
| 654 | |
| 655 | return; |
| 656 | |
| 657 | err: |
| 658 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 659 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); |
| 660 | |
| 661 | /* Just report headphone */ |
| 662 | ret = extcon_update_state(&info->edev, |
| 663 | 1 << ARIZONA_CABLE_HEADPHONE, |
| 664 | 1 << ARIZONA_CABLE_HEADPHONE); |
| 665 | if (ret != 0) |
| 666 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); |
| 667 | |
| 668 | if (info->mic) |
| 669 | arizona_start_mic(info); |
| 670 | |
| 671 | info->hpdet_active = false; |
| 672 | } |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 673 | |
| 674 | static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info) |
| 675 | { |
| 676 | struct arizona *arizona = info->arizona; |
| 677 | int ret; |
| 678 | |
| 679 | dev_dbg(arizona->dev, "Starting identification via HPDET\n"); |
| 680 | |
| 681 | /* Make sure we keep the device enabled during the measurement */ |
Mark Brown | 0e27bd3 | 2013-02-05 21:00:15 +0000 | [diff] [blame] | 682 | pm_runtime_get_sync(info->dev); |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 683 | |
| 684 | info->hpdet_active = true; |
| 685 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 686 | arizona_extcon_pulse_micbias(info); |
| 687 | |
Mark Brown | 0340907 | 2013-02-12 13:00:31 +0000 | [diff] [blame] | 688 | arizona_extcon_do_magic(info, 0x4000); |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 689 | |
| 690 | ret = regmap_update_bits(arizona->regmap, |
| 691 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 692 | ARIZONA_ACCDET_SRC | ARIZONA_ACCDET_MODE_MASK, |
| 693 | info->micd_modes[0].src | |
| 694 | ARIZONA_ACCDET_MODE_HPL); |
| 695 | if (ret != 0) { |
| 696 | dev_err(arizona->dev, "Failed to set HPDETL mode: %d\n", ret); |
| 697 | goto err; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 698 | } |
| 699 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 700 | ret = regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, |
| 701 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); |
| 702 | if (ret != 0) { |
| 703 | dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n", |
| 704 | ret); |
| 705 | goto err; |
| 706 | } |
| 707 | |
| 708 | return; |
| 709 | |
| 710 | err: |
| 711 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, |
| 712 | ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC); |
| 713 | |
| 714 | /* Just report headphone */ |
| 715 | ret = extcon_update_state(&info->edev, |
| 716 | 1 << ARIZONA_CABLE_HEADPHONE, |
| 717 | 1 << ARIZONA_CABLE_HEADPHONE); |
| 718 | if (ret != 0) |
| 719 | dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); |
| 720 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 721 | info->hpdet_active = false; |
| 722 | } |
| 723 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 724 | static irqreturn_t arizona_micdet(int irq, void *data) |
| 725 | { |
| 726 | struct arizona_extcon_info *info = data; |
| 727 | struct arizona *arizona = info->arizona; |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 728 | unsigned int val, lvl; |
| 729 | int ret, i; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 730 | |
| 731 | mutex_lock(&info->lock); |
| 732 | |
| 733 | ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val); |
| 734 | if (ret != 0) { |
| 735 | dev_err(arizona->dev, "Failed to read MICDET: %d\n", ret); |
Alexey Khoroshilov | be31cc0 | 2012-11-05 17:11:41 +0900 | [diff] [blame] | 736 | mutex_unlock(&info->lock); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 737 | return IRQ_NONE; |
| 738 | } |
| 739 | |
| 740 | dev_dbg(arizona->dev, "MICDET: %x\n", val); |
| 741 | |
| 742 | if (!(val & ARIZONA_MICD_VALID)) { |
| 743 | dev_warn(arizona->dev, "Microphone detection state invalid\n"); |
| 744 | mutex_unlock(&info->lock); |
| 745 | return IRQ_NONE; |
| 746 | } |
| 747 | |
| 748 | /* Due to jack detect this should never happen */ |
| 749 | if (!(val & ARIZONA_MICD_STS)) { |
| 750 | dev_warn(arizona->dev, "Detected open circuit\n"); |
| 751 | info->detecting = false; |
| 752 | goto handled; |
| 753 | } |
| 754 | |
| 755 | /* If we got a high impedence we should have a headset, report it. */ |
| 756 | if (info->detecting && (val & 0x400)) { |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 757 | arizona_identify_headphone(info); |
| 758 | |
Mark Brown | 325c642 | 2012-06-28 13:08:30 +0100 | [diff] [blame] | 759 | ret = extcon_update_state(&info->edev, |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 760 | 1 << ARIZONA_CABLE_MICROPHONE, |
| 761 | 1 << ARIZONA_CABLE_MICROPHONE); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 762 | |
| 763 | if (ret != 0) |
| 764 | dev_err(arizona->dev, "Headset report failed: %d\n", |
| 765 | ret); |
| 766 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 767 | /* Don't need to regulate for button detection */ |
| 768 | ret = regulator_allow_bypass(info->micvdd, false); |
| 769 | if (ret != 0) { |
| 770 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", |
| 771 | ret); |
| 772 | } |
| 773 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 774 | info->mic = true; |
| 775 | info->detecting = false; |
| 776 | goto handled; |
| 777 | } |
| 778 | |
| 779 | /* If we detected a lower impedence during initial startup |
| 780 | * then we probably have the wrong polarity, flip it. Don't |
| 781 | * do this for the lowest impedences to speed up detection of |
| 782 | * plain headphones. If both polarities report a low |
| 783 | * impedence then give up and report headphones. |
| 784 | */ |
| 785 | if (info->detecting && (val & 0x3f8)) { |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 786 | if (info->jack_flips >= info->micd_num_modes) { |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 787 | dev_dbg(arizona->dev, "Detected HP/line\n"); |
| 788 | arizona_identify_headphone(info); |
Mark Brown | 9ef2224d | 2012-06-28 13:08:31 +0100 | [diff] [blame] | 789 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 790 | info->detecting = false; |
| 791 | |
| 792 | arizona_stop_mic(info); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 793 | } else { |
| 794 | info->micd_mode++; |
| 795 | if (info->micd_mode == info->micd_num_modes) |
| 796 | info->micd_mode = 0; |
| 797 | arizona_extcon_set_mode(info, info->micd_mode); |
| 798 | |
| 799 | info->jack_flips++; |
| 800 | } |
| 801 | |
| 802 | goto handled; |
| 803 | } |
| 804 | |
| 805 | /* |
| 806 | * 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] | 807 | * got a headphone. Otherwise it's a button press. |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 808 | */ |
| 809 | if (val & 0x3fc) { |
| 810 | if (info->mic) { |
| 811 | dev_dbg(arizona->dev, "Mic button detected\n"); |
| 812 | |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 813 | lvl = val & ARIZONA_MICD_LVL_MASK; |
| 814 | lvl >>= ARIZONA_MICD_LVL_SHIFT; |
| 815 | |
| 816 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) |
| 817 | if (lvl & arizona_lvl_to_key[i].status) |
| 818 | input_report_key(info->input, |
| 819 | arizona_lvl_to_key[i].report, |
| 820 | 1); |
| 821 | input_sync(info->input); |
| 822 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 823 | } else if (info->detecting) { |
| 824 | dev_dbg(arizona->dev, "Headphone detected\n"); |
| 825 | info->detecting = false; |
| 826 | arizona_stop_mic(info); |
| 827 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 828 | arizona_identify_headphone(info); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 829 | } else { |
| 830 | dev_warn(arizona->dev, "Button with no mic: %x\n", |
| 831 | val); |
| 832 | } |
| 833 | } else { |
| 834 | dev_dbg(arizona->dev, "Mic button released\n"); |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 835 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) |
| 836 | input_report_key(info->input, |
| 837 | arizona_lvl_to_key[i].report, 0); |
| 838 | input_sync(info->input); |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 839 | arizona_extcon_pulse_micbias(info); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 840 | } |
| 841 | |
| 842 | handled: |
| 843 | pm_runtime_mark_last_busy(info->dev); |
| 844 | mutex_unlock(&info->lock); |
| 845 | |
| 846 | return IRQ_HANDLED; |
| 847 | } |
| 848 | |
Mark Brown | 0e27bd3 | 2013-02-05 21:00:15 +0000 | [diff] [blame] | 849 | static void arizona_hpdet_work(struct work_struct *work) |
| 850 | { |
| 851 | struct arizona_extcon_info *info = container_of(work, |
| 852 | struct arizona_extcon_info, |
| 853 | hpdet_work.work); |
| 854 | |
| 855 | mutex_lock(&info->lock); |
| 856 | arizona_start_hpdet_acc_id(info); |
| 857 | mutex_unlock(&info->lock); |
| 858 | } |
| 859 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 860 | static irqreturn_t arizona_jackdet(int irq, void *data) |
| 861 | { |
| 862 | struct arizona_extcon_info *info = data; |
| 863 | struct arizona *arizona = info->arizona; |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 864 | unsigned int val, present, mask; |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 865 | int ret, i; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 866 | |
| 867 | pm_runtime_get_sync(info->dev); |
| 868 | |
Mark Brown | 0e27bd3 | 2013-02-05 21:00:15 +0000 | [diff] [blame] | 869 | cancel_delayed_work_sync(&info->hpdet_work); |
| 870 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 871 | mutex_lock(&info->lock); |
| 872 | |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 873 | if (arizona->pdata.jd_gpio5) { |
| 874 | mask = ARIZONA_MICD_CLAMP_STS; |
| 875 | present = 0; |
| 876 | } else { |
| 877 | mask = ARIZONA_JD1_STS; |
| 878 | present = ARIZONA_JD1_STS; |
| 879 | } |
| 880 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 881 | ret = regmap_read(arizona->regmap, ARIZONA_AOD_IRQ_RAW_STATUS, &val); |
| 882 | if (ret != 0) { |
| 883 | dev_err(arizona->dev, "Failed to read jackdet status: %d\n", |
| 884 | ret); |
| 885 | mutex_unlock(&info->lock); |
| 886 | pm_runtime_put_autosuspend(info->dev); |
| 887 | return IRQ_NONE; |
| 888 | } |
| 889 | |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 890 | if ((val & mask) == present) { |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 891 | dev_dbg(arizona->dev, "Detected jack\n"); |
Mark Brown | 325c642 | 2012-06-28 13:08:30 +0100 | [diff] [blame] | 892 | ret = extcon_set_cable_state_(&info->edev, |
| 893 | ARIZONA_CABLE_MECHANICAL, true); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 894 | |
| 895 | if (ret != 0) |
| 896 | dev_err(arizona->dev, "Mechanical report failed: %d\n", |
| 897 | ret); |
| 898 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 899 | if (!arizona->pdata.hpdet_acc_id) { |
| 900 | info->detecting = true; |
| 901 | info->mic = false; |
| 902 | info->jack_flips = 0; |
| 903 | |
| 904 | arizona_start_mic(info); |
| 905 | } else { |
Mark Brown | 0e27bd3 | 2013-02-05 21:00:15 +0000 | [diff] [blame] | 906 | schedule_delayed_work(&info->hpdet_work, |
| 907 | msecs_to_jiffies(250)); |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 908 | } |
Mark Brown | 4e61687 | 2013-01-15 22:09:20 +0900 | [diff] [blame] | 909 | |
| 910 | regmap_update_bits(arizona->regmap, |
| 911 | ARIZONA_JACK_DETECT_DEBOUNCE, |
| 912 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, 0); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 913 | } else { |
| 914 | dev_dbg(arizona->dev, "Detected jack removal\n"); |
| 915 | |
| 916 | arizona_stop_mic(info); |
| 917 | |
Mark Brown | dd235ee | 2013-01-11 08:55:51 +0900 | [diff] [blame] | 918 | info->num_hpdet_res = 0; |
| 919 | for (i = 0; i < ARRAY_SIZE(info->hpdet_res); i++) |
| 920 | info->hpdet_res[i] = 0; |
| 921 | info->mic = false; |
Mark Brown | bf14ee5 | 2013-02-05 20:20:17 +0000 | [diff] [blame] | 922 | info->hpdet_done = false; |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 923 | |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 924 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) |
| 925 | input_report_key(info->input, |
| 926 | arizona_lvl_to_key[i].report, 0); |
| 927 | input_sync(info->input); |
| 928 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 929 | ret = extcon_update_state(&info->edev, 0xffffffff, 0); |
| 930 | if (ret != 0) |
| 931 | dev_err(arizona->dev, "Removal report failed: %d\n", |
| 932 | ret); |
Mark Brown | 4e61687 | 2013-01-15 22:09:20 +0900 | [diff] [blame] | 933 | |
| 934 | regmap_update_bits(arizona->regmap, |
| 935 | ARIZONA_JACK_DETECT_DEBOUNCE, |
| 936 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, |
| 937 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 938 | } |
| 939 | |
Charles Keepax | 5d9ab70 | 2013-02-05 10:13:38 +0000 | [diff] [blame] | 940 | /* Clear trig_sts to make sure DCVDD is not forced up */ |
| 941 | regmap_write(arizona->regmap, ARIZONA_AOD_WKUP_AND_TRIG, |
| 942 | ARIZONA_MICD_CLAMP_FALL_TRIG_STS | |
| 943 | ARIZONA_MICD_CLAMP_RISE_TRIG_STS | |
| 944 | ARIZONA_JD1_FALL_TRIG_STS | |
| 945 | ARIZONA_JD1_RISE_TRIG_STS); |
| 946 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 947 | mutex_unlock(&info->lock); |
| 948 | |
| 949 | pm_runtime_mark_last_busy(info->dev); |
| 950 | pm_runtime_put_autosuspend(info->dev); |
| 951 | |
| 952 | return IRQ_HANDLED; |
| 953 | } |
| 954 | |
Bill Pemberton | 44f34fd | 2012-11-19 13:23:21 -0500 | [diff] [blame] | 955 | static int arizona_extcon_probe(struct platform_device *pdev) |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 956 | { |
| 957 | struct arizona *arizona = dev_get_drvdata(pdev->dev.parent); |
| 958 | struct arizona_pdata *pdata; |
| 959 | struct arizona_extcon_info *info; |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 960 | int jack_irq_fall, jack_irq_rise; |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 961 | int ret, mode, i; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 962 | |
Mark Brown | bbbd46e | 2013-01-10 19:38:43 +0000 | [diff] [blame] | 963 | if (!arizona->dapm || !arizona->dapm->card) |
| 964 | return -EPROBE_DEFER; |
| 965 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 966 | pdata = dev_get_platdata(arizona->dev); |
| 967 | |
| 968 | info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); |
| 969 | if (!info) { |
Peter Meerwald | 8e5f501 | 2012-08-23 09:11:50 +0900 | [diff] [blame] | 970 | dev_err(&pdev->dev, "Failed to allocate memory\n"); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 971 | ret = -ENOMEM; |
| 972 | goto err; |
| 973 | } |
| 974 | |
| 975 | info->micvdd = devm_regulator_get(arizona->dev, "MICVDD"); |
| 976 | if (IS_ERR(info->micvdd)) { |
| 977 | ret = PTR_ERR(info->micvdd); |
| 978 | dev_err(arizona->dev, "Failed to get MICVDD: %d\n", ret); |
| 979 | goto err; |
| 980 | } |
| 981 | |
| 982 | mutex_init(&info->lock); |
| 983 | info->arizona = arizona; |
| 984 | info->dev = &pdev->dev; |
Mark Brown | 0e27bd3 | 2013-02-05 21:00:15 +0000 | [diff] [blame] | 985 | INIT_DELAYED_WORK(&info->hpdet_work, arizona_hpdet_work); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 986 | platform_set_drvdata(pdev, info); |
| 987 | |
| 988 | switch (arizona->type) { |
| 989 | case WM5102: |
| 990 | switch (arizona->rev) { |
| 991 | case 0: |
| 992 | info->micd_reva = true; |
| 993 | break; |
| 994 | default: |
Mark Brown | dab63eb | 2013-01-11 08:55:36 +0900 | [diff] [blame] | 995 | info->micd_clamp = true; |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 996 | info->hpdet_ip = 1; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 997 | break; |
| 998 | } |
| 999 | break; |
| 1000 | default: |
| 1001 | break; |
| 1002 | } |
| 1003 | |
| 1004 | info->edev.name = "Headset Jack"; |
| 1005 | info->edev.supported_cable = arizona_cable; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1006 | |
| 1007 | ret = extcon_dev_register(&info->edev, arizona->dev); |
| 1008 | if (ret < 0) { |
Peter Meerwald | 8e5f501 | 2012-08-23 09:11:50 +0900 | [diff] [blame] | 1009 | dev_err(arizona->dev, "extcon_dev_register() failed: %d\n", |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1010 | ret); |
| 1011 | goto err; |
| 1012 | } |
| 1013 | |
| 1014 | if (pdata->num_micd_configs) { |
| 1015 | info->micd_modes = pdata->micd_configs; |
| 1016 | info->micd_num_modes = pdata->num_micd_configs; |
| 1017 | } else { |
| 1018 | info->micd_modes = micd_default_modes; |
| 1019 | info->micd_num_modes = ARRAY_SIZE(micd_default_modes); |
| 1020 | } |
| 1021 | |
| 1022 | if (arizona->pdata.micd_pol_gpio > 0) { |
| 1023 | if (info->micd_modes[0].gpio) |
| 1024 | mode = GPIOF_OUT_INIT_HIGH; |
| 1025 | else |
| 1026 | mode = GPIOF_OUT_INIT_LOW; |
| 1027 | |
| 1028 | ret = devm_gpio_request_one(&pdev->dev, |
| 1029 | arizona->pdata.micd_pol_gpio, |
| 1030 | mode, |
| 1031 | "MICD polarity"); |
| 1032 | if (ret != 0) { |
| 1033 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", |
| 1034 | arizona->pdata.micd_pol_gpio, ret); |
| 1035 | goto err_register; |
| 1036 | } |
| 1037 | } |
| 1038 | |
Mark Brown | 1eda6aa | 2013-01-11 08:55:54 +0900 | [diff] [blame] | 1039 | if (arizona->pdata.hpdet_id_gpio > 0) { |
| 1040 | ret = devm_gpio_request_one(&pdev->dev, |
| 1041 | arizona->pdata.hpdet_id_gpio, |
| 1042 | GPIOF_OUT_INIT_LOW, |
| 1043 | "HPDET"); |
| 1044 | if (ret != 0) { |
| 1045 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", |
| 1046 | arizona->pdata.hpdet_id_gpio, ret); |
| 1047 | goto err_register; |
| 1048 | } |
| 1049 | } |
| 1050 | |
Mark Brown | b17e546 | 2013-01-11 08:55:24 +0900 | [diff] [blame] | 1051 | if (arizona->pdata.micd_bias_start_time) |
| 1052 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
| 1053 | ARIZONA_MICD_BIAS_STARTTIME_MASK, |
| 1054 | arizona->pdata.micd_bias_start_time |
| 1055 | << ARIZONA_MICD_BIAS_STARTTIME_SHIFT); |
| 1056 | |
Mark Brown | 2e033db | 2013-01-21 17:36:33 +0900 | [diff] [blame] | 1057 | if (arizona->pdata.micd_rate) |
| 1058 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
| 1059 | ARIZONA_MICD_RATE_MASK, |
| 1060 | arizona->pdata.micd_rate |
| 1061 | << ARIZONA_MICD_RATE_SHIFT); |
| 1062 | |
| 1063 | if (arizona->pdata.micd_dbtime) |
| 1064 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, |
| 1065 | ARIZONA_MICD_DBTIME_MASK, |
| 1066 | arizona->pdata.micd_dbtime |
| 1067 | << ARIZONA_MICD_DBTIME_SHIFT); |
| 1068 | |
Mark Brown | dab63eb | 2013-01-11 08:55:36 +0900 | [diff] [blame] | 1069 | /* |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1070 | * If we have a clamp use it, activating in conjunction with |
| 1071 | * GPIO5 if that is connected for jack detect operation. |
Mark Brown | dab63eb | 2013-01-11 08:55:36 +0900 | [diff] [blame] | 1072 | */ |
| 1073 | if (info->micd_clamp) { |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1074 | if (arizona->pdata.jd_gpio5) { |
| 1075 | /* Put the GPIO into input mode */ |
| 1076 | regmap_write(arizona->regmap, ARIZONA_GPIO5_CTRL, |
| 1077 | 0xc101); |
| 1078 | |
| 1079 | regmap_update_bits(arizona->regmap, |
| 1080 | ARIZONA_MICD_CLAMP_CONTROL, |
| 1081 | ARIZONA_MICD_CLAMP_MODE_MASK, 0x9); |
| 1082 | } else { |
| 1083 | regmap_update_bits(arizona->regmap, |
| 1084 | ARIZONA_MICD_CLAMP_CONTROL, |
| 1085 | ARIZONA_MICD_CLAMP_MODE_MASK, 0x4); |
| 1086 | } |
| 1087 | |
Mark Brown | dab63eb | 2013-01-11 08:55:36 +0900 | [diff] [blame] | 1088 | regmap_update_bits(arizona->regmap, |
| 1089 | ARIZONA_JACK_DETECT_DEBOUNCE, |
| 1090 | ARIZONA_MICD_CLAMP_DB, |
| 1091 | ARIZONA_MICD_CLAMP_DB); |
| 1092 | } |
| 1093 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1094 | arizona_extcon_set_mode(info, 0); |
| 1095 | |
Mark Brown | 3d44ea1 | 2013-01-11 08:51:13 +0900 | [diff] [blame] | 1096 | info->input = devm_input_allocate_device(&pdev->dev); |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 1097 | if (!info->input) { |
| 1098 | dev_err(arizona->dev, "Can't allocate input dev\n"); |
| 1099 | ret = -ENOMEM; |
| 1100 | goto err_register; |
| 1101 | } |
| 1102 | |
| 1103 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) |
| 1104 | input_set_capability(info->input, EV_KEY, |
| 1105 | arizona_lvl_to_key[i].report); |
| 1106 | info->input->name = "Headset"; |
| 1107 | info->input->phys = "arizona/extcon"; |
| 1108 | info->input->dev.parent = &pdev->dev; |
| 1109 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1110 | pm_runtime_enable(&pdev->dev); |
| 1111 | pm_runtime_idle(&pdev->dev); |
| 1112 | pm_runtime_get_sync(&pdev->dev); |
| 1113 | |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1114 | if (arizona->pdata.jd_gpio5) { |
| 1115 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; |
| 1116 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; |
| 1117 | } else { |
| 1118 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; |
| 1119 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; |
| 1120 | } |
| 1121 | |
| 1122 | ret = arizona_request_irq(arizona, jack_irq_rise, |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1123 | "JACKDET rise", arizona_jackdet, info); |
| 1124 | if (ret != 0) { |
| 1125 | dev_err(&pdev->dev, "Failed to get JACKDET rise IRQ: %d\n", |
| 1126 | ret); |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 1127 | goto err_input; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1128 | } |
| 1129 | |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1130 | ret = arizona_set_irq_wake(arizona, jack_irq_rise, 1); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1131 | if (ret != 0) { |
| 1132 | dev_err(&pdev->dev, "Failed to set JD rise IRQ wake: %d\n", |
| 1133 | ret); |
| 1134 | goto err_rise; |
| 1135 | } |
| 1136 | |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1137 | ret = arizona_request_irq(arizona, jack_irq_fall, |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1138 | "JACKDET fall", arizona_jackdet, info); |
| 1139 | if (ret != 0) { |
| 1140 | dev_err(&pdev->dev, "Failed to get JD fall IRQ: %d\n", ret); |
| 1141 | goto err_rise_wake; |
| 1142 | } |
| 1143 | |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1144 | ret = arizona_set_irq_wake(arizona, jack_irq_fall, 1); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1145 | if (ret != 0) { |
| 1146 | dev_err(&pdev->dev, "Failed to set JD fall IRQ wake: %d\n", |
| 1147 | ret); |
| 1148 | goto err_fall; |
| 1149 | } |
| 1150 | |
| 1151 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_MICDET, |
| 1152 | "MICDET", arizona_micdet, info); |
| 1153 | if (ret != 0) { |
| 1154 | dev_err(&pdev->dev, "Failed to get MICDET IRQ: %d\n", ret); |
| 1155 | goto err_fall_wake; |
| 1156 | } |
| 1157 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 1158 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_HPDET, |
| 1159 | "HPDET", arizona_hpdet_irq, info); |
| 1160 | if (ret != 0) { |
| 1161 | dev_err(&pdev->dev, "Failed to get HPDET IRQ: %d\n", ret); |
| 1162 | goto err_micdet; |
| 1163 | } |
| 1164 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1165 | arizona_clk32k_enable(arizona); |
| 1166 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE, |
| 1167 | ARIZONA_JD1_DB, ARIZONA_JD1_DB); |
| 1168 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, |
| 1169 | ARIZONA_JD1_ENA, ARIZONA_JD1_ENA); |
| 1170 | |
Mark Brown | b8575a1 | 2012-09-07 17:01:15 +0800 | [diff] [blame] | 1171 | ret = regulator_allow_bypass(info->micvdd, true); |
| 1172 | if (ret != 0) |
| 1173 | dev_warn(arizona->dev, "Failed to set MICVDD to bypass: %d\n", |
| 1174 | ret); |
| 1175 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1176 | pm_runtime_put(&pdev->dev); |
| 1177 | |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 1178 | ret = input_register_device(info->input); |
| 1179 | if (ret) { |
| 1180 | dev_err(&pdev->dev, "Can't register input device: %d\n", ret); |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 1181 | goto err_hpdet; |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 1182 | } |
| 1183 | |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1184 | return 0; |
| 1185 | |
Mark Brown | 4f34033 | 2013-01-11 08:55:43 +0900 | [diff] [blame] | 1186 | err_hpdet: |
| 1187 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); |
Mark Brown | 80732cc | 2012-08-26 13:58:20 -0700 | [diff] [blame] | 1188 | err_micdet: |
| 1189 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1190 | err_fall_wake: |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1191 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1192 | err_fall: |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1193 | arizona_free_irq(arizona, jack_irq_fall, info); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1194 | err_rise_wake: |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1195 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1196 | err_rise: |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1197 | arizona_free_irq(arizona, jack_irq_rise, info); |
Mark Brown | 34efe4d | 2012-07-20 17:07:29 +0100 | [diff] [blame] | 1198 | err_input: |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1199 | err_register: |
| 1200 | pm_runtime_disable(&pdev->dev); |
| 1201 | extcon_dev_unregister(&info->edev); |
| 1202 | err: |
| 1203 | return ret; |
| 1204 | } |
| 1205 | |
Bill Pemberton | 93ed032 | 2012-11-19 13:25:49 -0500 | [diff] [blame] | 1206 | static int arizona_extcon_remove(struct platform_device *pdev) |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1207 | { |
| 1208 | struct arizona_extcon_info *info = platform_get_drvdata(pdev); |
| 1209 | struct arizona *arizona = info->arizona; |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1210 | int jack_irq_rise, jack_irq_fall; |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1211 | |
| 1212 | pm_runtime_disable(&pdev->dev); |
| 1213 | |
Mark Brown | dab63eb | 2013-01-11 08:55:36 +0900 | [diff] [blame] | 1214 | regmap_update_bits(arizona->regmap, |
| 1215 | ARIZONA_MICD_CLAMP_CONTROL, |
| 1216 | ARIZONA_MICD_CLAMP_MODE_MASK, 0); |
| 1217 | |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1218 | if (arizona->pdata.jd_gpio5) { |
| 1219 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; |
| 1220 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; |
| 1221 | } else { |
| 1222 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; |
| 1223 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; |
| 1224 | } |
| 1225 | |
| 1226 | arizona_set_irq_wake(arizona, jack_irq_rise, 0); |
| 1227 | arizona_set_irq_wake(arizona, jack_irq_fall, 0); |
| 1228 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1229 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); |
Mark Brown | 92a4987 | 2013-01-11 08:55:39 +0900 | [diff] [blame] | 1230 | arizona_free_irq(arizona, jack_irq_rise, info); |
| 1231 | arizona_free_irq(arizona, jack_irq_fall, info); |
Mark Brown | 0e27bd3 | 2013-02-05 21:00:15 +0000 | [diff] [blame] | 1232 | cancel_delayed_work_sync(&info->hpdet_work); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1233 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, |
| 1234 | ARIZONA_JD1_ENA, 0); |
| 1235 | arizona_clk32k_disable(arizona); |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1236 | extcon_dev_unregister(&info->edev); |
| 1237 | |
| 1238 | return 0; |
| 1239 | } |
| 1240 | |
| 1241 | static struct platform_driver arizona_extcon_driver = { |
| 1242 | .driver = { |
| 1243 | .name = "arizona-extcon", |
| 1244 | .owner = THIS_MODULE, |
| 1245 | }, |
| 1246 | .probe = arizona_extcon_probe, |
Bill Pemberton | 5f7e222 | 2012-11-19 13:20:06 -0500 | [diff] [blame] | 1247 | .remove = arizona_extcon_remove, |
Mark Brown | f2c32a8 | 2012-06-24 12:09:45 +0100 | [diff] [blame] | 1248 | }; |
| 1249 | |
| 1250 | module_platform_driver(arizona_extcon_driver); |
| 1251 | |
| 1252 | MODULE_DESCRIPTION("Arizona Extcon driver"); |
| 1253 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); |
| 1254 | MODULE_LICENSE("GPL"); |
| 1255 | MODULE_ALIAS("platform:extcon-arizona"); |