linux/drivers/mfd/sec-irq.c
<<
>>
Prefs
   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
  27static 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
  94static 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
 165static 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
 236static 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
 307static 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
 382static 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
 400static const struct regmap_irq_chip s2mps13_irq_chip = {
 401        .name = "s2mps13",
 402        S2MPS1X_IRQ_CHIP_COMMON_DATA,
 403};
 404
 405static const struct regmap_irq_chip s2mps14_irq_chip = {
 406        .name = "s2mps14",
 407        S2MPS1X_IRQ_CHIP_COMMON_DATA,
 408};
 409
 410static const struct regmap_irq_chip s2mps15_irq_chip = {
 411        .name = "s2mps15",
 412        S2MPS1X_IRQ_CHIP_COMMON_DATA,
 413};
 414
 415static const struct regmap_irq_chip s2mpu02_irq_chip = {
 416        .name = "s2mpu02",
 417        .irqs = s2mpu02_irqs,
 418        .num_irqs = ARRAY_SIZE(s2mpu02_irqs),
 419        .num_regs = 3,
 420        .status_base = S2MPU02_REG_INT1,
 421        .mask_base = S2MPU02_REG_INT1M,
 422        .ack_base = S2MPU02_REG_INT1,
 423};
 424
 425static const struct regmap_irq_chip s5m8767_irq_chip = {
 426        .name = "s5m8767",
 427        .irqs = s5m8767_irqs,
 428        .num_irqs = ARRAY_SIZE(s5m8767_irqs),
 429        .num_regs = 3,
 430        .status_base = S5M8767_REG_INT1,
 431        .mask_base = S5M8767_REG_INT1M,
 432        .ack_base = S5M8767_REG_INT1,
 433};
 434
 435static const struct regmap_irq_chip s5m8763_irq_chip = {
 436        .name = "s5m8763",
 437        .irqs = s5m8763_irqs,
 438        .num_irqs = ARRAY_SIZE(s5m8763_irqs),
 439        .num_regs = 4,
 440        .status_base = S5M8763_REG_IRQ1,
 441        .mask_base = S5M8763_REG_IRQM1,
 442        .ack_base = S5M8763_REG_IRQ1,
 443};
 444
 445int sec_irq_init(struct sec_pmic_dev *sec_pmic)
 446{
 447        int ret = 0;
 448        int type = sec_pmic->device_type;
 449        const struct regmap_irq_chip *sec_irq_chip;
 450
 451        if (!sec_pmic->irq) {
 452                dev_warn(sec_pmic->dev,
 453                         "No interrupt specified, no interrupts\n");
 454                sec_pmic->irq_base = 0;
 455                return 0;
 456        }
 457
 458        switch (type) {
 459        case S5M8763X:
 460                sec_irq_chip = &s5m8763_irq_chip;
 461                break;
 462        case S5M8767X:
 463                sec_irq_chip = &s5m8767_irq_chip;
 464                break;
 465        case S2MPS11X:
 466                sec_irq_chip = &s2mps11_irq_chip;
 467                break;
 468        case S2MPS13X:
 469                sec_irq_chip = &s2mps13_irq_chip;
 470                break;
 471        case S2MPS14X:
 472                sec_irq_chip = &s2mps14_irq_chip;
 473                break;
 474        case S2MPS15X:
 475                sec_irq_chip = &s2mps15_irq_chip;
 476                break;
 477        case S2MPU02:
 478                sec_irq_chip = &s2mpu02_irq_chip;
 479                break;
 480        default:
 481                dev_err(sec_pmic->dev, "Unknown device type %lu\n",
 482                        sec_pmic->device_type);
 483                return -EINVAL;
 484        }
 485
 486        ret = devm_regmap_add_irq_chip(sec_pmic->dev, sec_pmic->regmap_pmic,
 487                                       sec_pmic->irq,
 488                                       IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
 489                                       sec_pmic->irq_base, sec_irq_chip,
 490                                       &sec_pmic->irq_data);
 491        if (ret != 0) {
 492                dev_err(sec_pmic->dev, "Failed to register IRQ chip: %d\n", ret);
 493                return ret;
 494        }
 495
 496        /*
 497         * The rtc-s5m driver requests S2MPS14_IRQ_RTCA0 also for S2MPS11
 498         * so the interrupt number must be consistent.
 499         */
 500        BUILD_BUG_ON(((enum s2mps14_irq)S2MPS11_IRQ_RTCA0) != S2MPS14_IRQ_RTCA0);
 501
 502        return 0;
 503}
 504