kernel/drivers/mfd/sec-irq.c

   1 /*
   2  * sec-irq.c
   3  *
   4  * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd
   5  *              http://www.samsung.com
   6  *
   7  *  This program is free software; you can redistribute  it and/or modify it
   8  *  under  the terms of  the GNU General  Public License as published by the
   9  *  Free Software Foundation;  either version 2 of the  License, or (at your
  10  *  option) any later version.
  11  *
  12  */
  13
  14 #include <linux/device.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/irq.h>
  17 #include <linux/regmap.h>
  18
  19 #include <linux/mfd/samsung/core.h>
  20 #include <linux/mfd/samsung/irq.h>
  21 #include <linux/mfd/samsung/s2mps11.h>
  22 #include <linux/mfd/samsung/s2mps14.h>
  23 #include <linux/mfd/samsung/s2mpu02.h>
  24 #include <linux/mfd/samsung/s5m8763.h>
  25 #include <linux/mfd/samsung/s5m8767.h>
  26
  27 static const struct regmap_irq s2mps11_irqs[] = {
  28         [S2MPS11_IRQ_PWRONF] = {
  29                 .reg_offset = 0,
  30                 .mask = S2MPS11_IRQ_PWRONF_MASK,
  31         },
  32         [S2MPS11_IRQ_PWRONR] = {
  33                 .reg_offset = 0,
  34                 .mask = S2MPS11_IRQ_PWRONR_MASK,
  35         },
  36         [S2MPS11_IRQ_JIGONBF] = {
  37                 .reg_offset = 0,
  38                 .mask = S2MPS11_IRQ_JIGONBF_MASK,
  39         },
  40         [S2MPS11_IRQ_JIGONBR] = {
  41                 .reg_offset = 0,
  42                 .mask = S2MPS11_IRQ_JIGONBR_MASK,
  43         },
  44         [S2MPS11_IRQ_ACOKBF] = {
  45                 .reg_offset = 0,
  46                 .mask = S2MPS11_IRQ_ACOKBF_MASK,
  47         },
  48         [S2MPS11_IRQ_ACOKBR] = {
  49                 .reg_offset = 0,
  50                 .mask = S2MPS11_IRQ_ACOKBR_MASK,
  51         },
  52         [S2MPS11_IRQ_PWRON1S] = {
  53                 .reg_offset = 0,
  54                 .mask = S2MPS11_IRQ_PWRON1S_MASK,
  55         },
  56         [S2MPS11_IRQ_MRB] = {
  57                 .reg_offset = 0,
  58                 .mask = S2MPS11_IRQ_MRB_MASK,
  59         },
  60         [S2MPS11_IRQ_RTC60S] = {
  61                 .reg_offset = 1,
  62                 .mask = S2MPS11_IRQ_RTC60S_MASK,
  63         },
  64         [S2MPS11_IRQ_RTCA1] = {
  65                 .reg_offset = 1,
  66                 .mask = S2MPS11_IRQ_RTCA1_MASK,
  67         },
  68         [S2MPS11_IRQ_RTCA0] = {
  69                 .reg_offset = 1,
  70                 .mask = S2MPS11_IRQ_RTCA0_MASK,
  71         },
  72         [S2MPS11_IRQ_SMPL] = {
  73                 .reg_offset = 1,
  74                 .mask = S2MPS11_IRQ_SMPL_MASK,
  75         },
  76         [S2MPS11_IRQ_RTC1S] = {
  77                 .reg_offset = 1,
  78                 .mask = S2MPS11_IRQ_RTC1S_MASK,
  79         },
  80         [S2MPS11_IRQ_WTSR] = {
  81                 .reg_offset = 1,
  82                 .mask = S2MPS11_IRQ_WTSR_MASK,
  83         },
  84         [S2MPS11_IRQ_INT120C] = {
  85                 .reg_offset = 2,
  86                 .mask = S2MPS11_IRQ_INT120C_MASK,
  87         },
  88         [S2MPS11_IRQ_INT140C] = {
  89                 .reg_offset = 2,
  90                 .mask = S2MPS11_IRQ_INT140C_MASK,
  91         },
  92 };
  93
  94 static const struct regmap_irq s2mps14_irqs[] = {
  95         [S2MPS14_IRQ_PWRONF] = {
  96                 .reg_offset = 0,
  97                 .mask = S2MPS11_IRQ_PWRONF_MASK,
  98         },
  99         [S2MPS14_IRQ_PWRONR] = {
 100                 .reg_offset = 0,
 101                 .mask = S2MPS11_IRQ_PWRONR_MASK,
 102         },
 103         [S2MPS14_IRQ_JIGONBF] = {
 104                 .reg_offset = 0,
 105                 .mask = S2MPS11_IRQ_JIGONBF_MASK,
 106         },
 107         [S2MPS14_IRQ_JIGONBR] = {
 108                 .reg_offset = 0,
 109                 .mask = S2MPS11_IRQ_JIGONBR_MASK,
 110         },
 111         [S2MPS14_IRQ_ACOKBF] = {
 112                 .reg_offset = 0,
 113                 .mask = S2MPS11_IRQ_ACOKBF_MASK,
 114         },
 115         [S2MPS14_IRQ_ACOKBR] = {
 116                 .reg_offset = 0,
 117                 .mask = S2MPS11_IRQ_ACOKBR_MASK,
 118         },
 119         [S2MPS14_IRQ_PWRON1S] = {
 120                 .reg_offset = 0,
 121                 .mask = S2MPS11_IRQ_PWRON1S_MASK,
 122         },
 123         [S2MPS14_IRQ_MRB] = {
 124                 .reg_offset = 0,
 125                 .mask = S2MPS11_IRQ_MRB_MASK,
 126         },
 127         [S2MPS14_IRQ_RTC60S] = {
 128                 .reg_offset = 1,
 129                 .mask = S2MPS11_IRQ_RTC60S_MASK,
 130         },
 131         [S2MPS14_IRQ_RTCA1] = {
 132                 .reg_offset = 1,
 133                 .mask = S2MPS11_IRQ_RTCA1_MASK,
 134         },
 135         [S2MPS14_IRQ_RTCA0] = {
 136                 .reg_offset = 1,
 137                 .mask = S2MPS11_IRQ_RTCA0_MASK,
 138         },
 139         [S2MPS14_IRQ_SMPL] = {
 140                 .reg_offset = 1,
 141                 .mask = S2MPS11_IRQ_SMPL_MASK,
 142         },
 143         [S2MPS14_IRQ_RTC1S] = {
 144                 .reg_offset = 1,
 145                 .mask = S2MPS11_IRQ_RTC1S_MASK,
 146         },
 147         [S2MPS14_IRQ_WTSR] = {
 148                 .reg_offset = 1,
 149                 .mask = S2MPS11_IRQ_WTSR_MASK,
 150         },
 151         [S2MPS14_IRQ_INT120C] = {
 152                 .reg_offset = 2,
 153                 .mask = S2MPS11_IRQ_INT120C_MASK,
 154         },
 155         [S2MPS14_IRQ_INT140C] = {
 156                 .reg_offset = 2,
 157                 .mask = S2MPS11_IRQ_INT140C_MASK,
 158         },
 159         [S2MPS14_IRQ_TSD] = {
 160                 .reg_offset = 2,
 161                 .mask = S2MPS14_IRQ_TSD_MASK,
 162         },
 163 };
 164
 165 static const struct regmap_irq s2mpu02_irqs[] = {
 166         [S2MPU02_IRQ_PWRONF] = {
 167                 .reg_offset = 0,
 168                 .mask = S2MPS11_IRQ_PWRONF_MASK,
 169         },
 170         [S2MPU02_IRQ_PWRONR] = {
 171                 .reg_offset = 0,
 172                 .mask = S2MPS11_IRQ_PWRONR_MASK,
 173         },
 174         [S2MPU02_IRQ_JIGONBF] = {
 175                 .reg_offset = 0,
 176                 .mask = S2MPS11_IRQ_JIGONBF_MASK,
 177         },
 178         [S2MPU02_IRQ_JIGONBR] = {
 179                 .reg_offset = 0,
 180                 .mask = S2MPS11_IRQ_JIGONBR_MASK,
 181         },
 182         [S2MPU02_IRQ_ACOKBF] = {
 183                 .reg_offset = 0,
 184                 .mask = S2MPS11_IRQ_ACOKBF_MASK,
 185         },
 186         [S2MPU02_IRQ_ACOKBR] = {
 187                 .reg_offset = 0,
 188                 .mask = S2MPS11_IRQ_ACOKBR_MASK,
 189         },
 190         [S2MPU02_IRQ_PWRON1S] = {
 191                 .reg_offset = 0,
 192                 .mask = S2MPS11_IRQ_PWRON1S_MASK,
 193         },
 194         [S2MPU02_IRQ_MRB] = {
 195                 .reg_offset = 0,
 196                 .mask = S2MPS11_IRQ_MRB_MASK,
 197         },
 198         [S2MPU02_IRQ_RTC60S] = {
 199                 .reg_offset = 1,
 200                 .mask = S2MPS11_IRQ_RTC60S_MASK,
 201         },
 202         [S2MPU02_IRQ_RTCA1] = {
 203                 .reg_offset = 1,
 204                 .mask = S2MPS11_IRQ_RTCA1_MASK,
 205         },
 206         [S2MPU02_IRQ_RTCA0] = {
 207                 .reg_offset = 1,
 208                 .mask = S2MPS11_IRQ_RTCA0_MASK,
 209         },
 210         [S2MPU02_IRQ_SMPL] = {
 211                 .reg_offset = 1,
 212                 .mask = S2MPS11_IRQ_SMPL_MASK,
 213         },
 214         [S2MPU02_IRQ_RTC1S] = {
 215                 .reg_offset = 1,
 216                 .mask = S2MPS11_IRQ_RTC1S_MASK,
 217         },
 218         [S2MPU02_IRQ_WTSR] = {
 219                 .reg_offset = 1,
 220                 .mask = S2MPS11_IRQ_WTSR_MASK,
 221         },
 222         [S2MPU02_IRQ_INT120C] = {
 223                 .reg_offset = 2,
 224                 .mask = S2MPS11_IRQ_INT120C_MASK,
 225         },
 226         [S2MPU02_IRQ_INT140C] = {
 227                 .reg_offset = 2,
 228                 .mask = S2MPS11_IRQ_INT140C_MASK,
 229         },
 230         [S2MPU02_IRQ_TSD] = {
 231                 .reg_offset = 2,
 232                 .mask = S2MPS14_IRQ_TSD_MASK,
 233         },
 234 };
 235
 236 static const struct regmap_irq s5m8767_irqs[] = {
 237         [S5M8767_IRQ_PWRR] = {
 238                 .reg_offset = 0,
 239                 .mask = S5M8767_IRQ_PWRR_MASK,
 240         },
 241         [S5M8767_IRQ_PWRF] = {
 242                 .reg_offset = 0,
 243                 .mask = S5M8767_IRQ_PWRF_MASK,
 244         },
 245         [S5M8767_IRQ_PWR1S] = {
 246                 .reg_offset = 0,
 247                 .mask = S5M8767_IRQ_PWR1S_MASK,
 248         },
 249         [S5M8767_IRQ_JIGR] = {
 250                 .reg_offset = 0,
 251                 .mask = S5M8767_IRQ_JIGR_MASK,
 252         },
 253         [S5M8767_IRQ_JIGF] = {
 254                 .reg_offset = 0,
 255                 .mask = S5M8767_IRQ_JIGF_MASK,
 256         },
 257         [S5M8767_IRQ_LOWBAT2] = {
 258                 .reg_offset = 0,
 259                 .mask = S5M8767_IRQ_LOWBAT2_MASK,
 260         },
 261         [S5M8767_IRQ_LOWBAT1] = {
 262                 .reg_offset = 0,
 263                 .mask = S5M8767_IRQ_LOWBAT1_MASK,
 264         },
 265         [S5M8767_IRQ_MRB] = {
 266                 .reg_offset = 1,
 267                 .mask = S5M8767_IRQ_MRB_MASK,
 268         },
 269         [S5M8767_IRQ_DVSOK2] = {
 270                 .reg_offset = 1,
 271                 .mask = S5M8767_IRQ_DVSOK2_MASK,
 272         },
 273         [S5M8767_IRQ_DVSOK3] = {
 274                 .reg_offset = 1,
 275                 .mask = S5M8767_IRQ_DVSOK3_MASK,
 276         },
 277         [S5M8767_IRQ_DVSOK4] = {
 278                 .reg_offset = 1,
 279                 .mask = S5M8767_IRQ_DVSOK4_MASK,
 280         },
 281         [S5M8767_IRQ_RTC60S] = {
 282                 .reg_offset = 2,
 283                 .mask = S5M8767_IRQ_RTC60S_MASK,
 284         },
 285         [S5M8767_IRQ_RTCA1] = {
 286                 .reg_offset = 2,
 287                 .mask = S5M8767_IRQ_RTCA1_MASK,
 288         },
 289         [S5M8767_IRQ_RTCA2] = {
 290                 .reg_offset = 2,
 291                 .mask = S5M8767_IRQ_RTCA2_MASK,
 292         },
 293         [S5M8767_IRQ_SMPL] = {
 294                 .reg_offset = 2,
 295                 .mask = S5M8767_IRQ_SMPL_MASK,
 296         },
 297         [S5M8767_IRQ_RTC1S] = {
 298                 .reg_offset = 2,
 299                 .mask = S5M8767_IRQ_RTC1S_MASK,
 300         },
 301         [S5M8767_IRQ_WTSR] = {
 302                 .reg_offset = 2,
 303                 .mask = S5M8767_IRQ_WTSR_MASK,
 304         },
 305 };
 306
 307 static const struct regmap_irq s5m8763_irqs[] = {
 308         [S5M8763_IRQ_DCINF] = {
 309                 .reg_offset = 0,
 310                 .mask = S5M8763_IRQ_DCINF_MASK,
 311         },
 312         [S5M8763_IRQ_DCINR] = {
 313                 .reg_offset = 0,
 314                 .mask = S5M8763_IRQ_DCINR_MASK,
 315         },
 316         [S5M8763_IRQ_JIGF] = {
 317                 .reg_offset = 0,
 318                 .mask = S5M8763_IRQ_JIGF_MASK,
 319         },
 320         [S5M8763_IRQ_JIGR] = {
 321                 .reg_offset = 0,
 322                 .mask = S5M8763_IRQ_JIGR_MASK,
 323         },
 324         [S5M8763_IRQ_PWRONF] = {
 325                 .reg_offset = 0,
 326                 .mask = S5M8763_IRQ_PWRONF_MASK,
 327         },
 328         [S5M8763_IRQ_PWRONR] = {
 329                 .reg_offset = 0,
 330                 .mask = S5M8763_IRQ_PWRONR_MASK,
 331         },
 332         [S5M8763_IRQ_WTSREVNT] = {
 333                 .reg_offset = 1,
 334                 .mask = S5M8763_IRQ_WTSREVNT_MASK,
 335         },
 336         [S5M8763_IRQ_SMPLEVNT] = {
 337                 .reg_offset = 1,
 338                 .mask = S5M8763_IRQ_SMPLEVNT_MASK,
 339         },
 340         [S5M8763_IRQ_ALARM1] = {
 341                 .reg_offset = 1,
 342                 .mask = S5M8763_IRQ_ALARM1_MASK,
 343         },
 344         [S5M8763_IRQ_ALARM0] = {
 345                 .reg_offset = 1,
 346                 .mask = S5M8763_IRQ_ALARM0_MASK,
 347         },
 348         [S5M8763_IRQ_ONKEY1S] = {
 349                 .reg_offset = 2,
 350                 .mask = S5M8763_IRQ_ONKEY1S_MASK,
 351         },
 352         [S5M8763_IRQ_TOPOFFR] = {
 353                 .reg_offset = 2,
 354                 .mask = S5M8763_IRQ_TOPOFFR_MASK,
 355         },
 356         [S5M8763_IRQ_DCINOVPR] = {
 357                 .reg_offset = 2,
 358                 .mask = S5M8763_IRQ_DCINOVPR_MASK,
 359         },
 360         [S5M8763_IRQ_CHGRSTF] = {
 361                 .reg_offset = 2,
 362                 .mask = S5M8763_IRQ_CHGRSTF_MASK,
 363         },
 364         [S5M8763_IRQ_DONER] = {
 365                 .reg_offset = 2,
 366                 .mask = S5M8763_IRQ_DONER_MASK,
 367         },
 368         [S5M8763_IRQ_CHGFAULT] = {
 369                 .reg_offset = 2,
 370                 .mask = S5M8763_IRQ_CHGFAULT_MASK,
 371         },
 372         [S5M8763_IRQ_LOBAT1] = {
 373                 .reg_offset = 3,
 374                 .mask = S5M8763_IRQ_LOBAT1_MASK,
 375         },
 376         [S5M8763_IRQ_LOBAT2] = {
 377                 .reg_offset = 3,
 378                 .mask = S5M8763_IRQ_LOBAT2_MASK,
 379         },
 380 };
 381
 382 static const struct regmap_irq_chip s2mps11_irq_chip = {
 383         .name = "s2mps11",
 384         .irqs = s2mps11_irqs,
 385         .num_irqs = ARRAY_SIZE(s2mps11_irqs),
 386         .num_regs = 3,
 387         .status_base = S2MPS11_REG_INT1,
 388         .mask_base = S2MPS11_REG_INT1M,
 389         .ack_base = S2MPS11_REG_INT1,
 390 };
 391
 392 #define S2MPS1X_IRQ_CHIP_COMMON_DATA            \
 393         .irqs = s2mps14_irqs,                   \
 394         .num_irqs = ARRAY_SIZE(s2mps14_irqs),   \
 395         .num_regs = 3,                          \
 396         .status_base = S2MPS14_REG_INT1,        \
 397         .mask_base = S2MPS14_REG_INT1M,         \
 398         .ack_base = S2MPS14_REG_INT1            \
 399
 400 static const struct regmap_irq_chip s2mps13_irq_chip = {
 401         .name = "s2mps13",
 402         S2MPS1X_IRQ_CHIP_COMMON_DATA,
 403 };
 404
 405 static const struct regmap_irq_chip s2mps14_irq_chip = {
 406         .name = "s2mps14",
 407         S2MPS1X_IRQ_CHIP_COMMON_DATA,
 408 };
 409
 410 static const struct regmap_irq_chip s2mpu02_irq_chip = {
 411         .name = "s2mpu02",
 412         .irqs = s2mpu02_irqs,
 413         .num_irqs = ARRAY_SIZE(s2mpu02_irqs),
 414         .num_regs = 3,
 415         .status_base = S2MPU02_REG_INT1,
 416         .mask_base = S2MPU02_REG_INT1M,
 417         .ack_base = S2MPU02_REG_INT1,
 418 };
 419
 420 static const struct regmap_irq_chip s5m8767_irq_chip = {
 421         .name = "s5m8767",
 422         .irqs = s5m8767_irqs,
 423         .num_irqs = ARRAY_SIZE(s5m8767_irqs),
 424         .num_regs = 3,
 425         .status_base = S5M8767_REG_INT1,
 426         .mask_base = S5M8767_REG_INT1M,
 427         .ack_base = S5M8767_REG_INT1,
 428 };
 429
 430 static const struct regmap_irq_chip s5m8763_irq_chip = {
 431         .name = "s5m8763",
 432         .irqs = s5m8763_irqs,
 433         .num_irqs = ARRAY_SIZE(s5m8763_irqs),
 434         .num_regs = 4,
 435         .status_base = S5M8763_REG_IRQ1,
 436         .mask_base = S5M8763_REG_IRQM1,
 437         .ack_base = S5M8763_REG_IRQ1,
 438 };
 439
 440 int sec_irq_init(struct sec_pmic_dev *sec_pmic)
 441 {
 442         int ret = 0;
 443         int type = sec_pmic->device_type;
 444         const struct regmap_irq_chip *sec_irq_chip;
 445
 446         if (!sec_pmic->irq) {
 447                 dev_warn(sec_pmic->dev,
 448                          "No interrupt specified, no interrupts\n");
 449                 sec_pmic->irq_base = 0;
 450                 return 0;
 451         }
 452
 453         switch (type) {
 454         case S5M8763X:
 455                 sec_irq_chip = &s5m8763_irq_chip;
 456                 break;
 457         case S5M8767X:
 458                 sec_irq_chip = &s5m8767_irq_chip;
 459                 break;
 460         case S2MPS11X:
 461                 sec_irq_chip = &s2mps11_irq_chip;
 462                 break;
 463         case S2MPS13X:
 464                 sec_irq_chip = &s2mps13_irq_chip;
 465                 break;
 466         case S2MPS14X:
 467                 sec_irq_chip = &s2mps14_irq_chip;
 468                 break;
 469         case S2MPU02:
 470                 sec_irq_chip = &s2mpu02_irq_chip;
 471                 break;
 472         default:
 473                 dev_err(sec_pmic->dev, "Unknown device type %lu\n",
 474                         sec_pmic->device_type);
 475                 return -EINVAL;
 476         }
 477
 478         ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
 479                           IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
 480                           sec_pmic->irq_base, sec_irq_chip,
 481                           &sec_pmic->irq_data);
 482         if (ret != 0) {
 483                 dev_err(sec_pmic->dev, "Failed to register IRQ chip: %d\n", ret);
 484                 return ret;
 485         }
 486
 487         /*
 488          * The rtc-s5m driver requests S2MPS14_IRQ_RTCA0 also for S2MPS11
 489          * so the interrupt number must be consistent.
 490          */
 491         BUILD_BUG_ON(((enum s2mps14_irq)S2MPS11_IRQ_RTCA0) != S2MPS14_IRQ_RTCA0);
 492
 493         return 0;
 494 }
 495
 496 void sec_irq_exit(struct sec_pmic_dev *sec_pmic)
 497 {
 498         regmap_del_irq_chip(sec_pmic->irq, sec_pmic->irq_data);
 499 }