drivers/mfd/ab8500-debugfs.c

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2010
   3  *
   4  * Author: Mattias Wallin <mattias.wallin@stericsson.com> for ST-Ericsson.
   5  * License Terms: GNU General Public License v2
   6  */
   7 /*
   8  * AB8500 register access
   9  * ======================
  10  *
  11  * read:
  12  * # echo BANK  >  <debugfs>/ab8500/register-bank
  13  * # echo ADDR  >  <debugfs>/ab8500/register-address
  14  * # cat <debugfs>/ab8500/register-value
  15  *
  16  * write:
  17  * # echo BANK  >  <debugfs>/ab8500/register-bank
  18  * # echo ADDR  >  <debugfs>/ab8500/register-address
  19  * # echo VALUE >  <debugfs>/ab8500/register-value
  20  *
  21  * read all registers from a bank:
  22  * # echo BANK  >  <debugfs>/ab8500/register-bank
  23  * # cat <debugfs>/ab8500/all-bank-register
  24  *
  25  * BANK   target AB8500 register bank
  26  * ADDR   target AB8500 register address
  27  * VALUE  decimal or 0x-prefixed hexadecimal
  28  *
  29  *
  30  * User Space notification on AB8500 IRQ
  31  * =====================================
  32  *
  33  * Allows user space entity to be notified when target AB8500 IRQ occurs.
  34  * When subscribed, a sysfs entry is created in ab8500.i2c platform device.
  35  * One can pool this file to get target IRQ occurence information.
  36  *
  37  * subscribe to an AB8500 IRQ:
  38  * # echo IRQ  >  <debugfs>/ab8500/irq-subscribe
  39  *
  40  * unsubscribe from an AB8500 IRQ:
  41  * # echo IRQ  >  <debugfs>/ab8500/irq-unsubscribe
  42  *
  43  *
  44  * AB8500 register formated read/write access
  45  * ==========================================
  46  *
  47  * Read:  read data, data>>SHIFT, data&=MASK, output data
  48  *        [0xABCDEF98] shift=12 mask=0xFFF => 0x00000CDE
  49  * Write: read data, data &= ~(MASK<<SHIFT), data |= (VALUE<<SHIFT), write data
  50  *        [0xABCDEF98] shift=12 mask=0xFFF value=0x123 => [0xAB123F98]
  51  *
  52  * Usage:
  53  * # echo "CMD [OPTIONS] BANK ADRESS [VALUE]" > $debugfs/ab8500/hwreg
  54  *
  55  * CMD      read      read access
  56  *          write     write access
  57  *
  58  * BANK     target reg bank
  59  * ADDRESS  target reg address
  60  * VALUE    (write) value to be updated
  61  *
  62  * OPTIONS
  63  *  -d|-dec            (read) output in decimal
  64  *  -h|-hexa           (read) output in 0x-hexa (default)
  65  *  -l|-w|-b           32bit (default), 16bit or 8bit reg access
  66  *  -m|-mask MASK      0x-hexa mask (default 0xFFFFFFFF)
  67  *  -s|-shift SHIFT    bit shift value (read:left, write:right)
  68  *  -o|-offset OFFSET  address offset to add to ADDRESS value
  69  *
  70  * Warning: bit shift operation is applied to bit-mask.
  71  * Warning: bit shift direction depends on read or right command.
  72  */
  73
  74 #include <linux/seq_file.h>
  75 #include <linux/uaccess.h>
  76 #include <linux/fs.h>
  77 #include <linux/module.h>
  78 #include <linux/debugfs.h>
  79 #include <linux/platform_device.h>
  80 #include <linux/interrupt.h>
  81 #include <linux/kobject.h>
  82 #include <linux/slab.h>
  83 #include <linux/irq.h>
  84
  85 #include <linux/mfd/abx500.h>
  86 #include <linux/mfd/abx500/ab8500.h>
  87 #include <linux/mfd/abx500/ab8500-gpadc.h>
  88
  89 #ifdef CONFIG_DEBUG_FS
  90 #include <linux/string.h>
  91 #include <linux/ctype.h>
  92 #endif
  93
  94 static u32 debug_bank;
  95 static u32 debug_address;
  96
  97 static int irq_ab8500;
  98 static int irq_first;
  99 static int irq_last;
 100 static u32 *irq_count;
 101 static int num_irqs;
 102
 103 static struct device_attribute **dev_attr;
 104 static char **event_name;
 105
 106 static u8 avg_sample = SAMPLE_16;
 107 static u8 trig_edge = RISING_EDGE;
 108 static u8 conv_type = ADC_SW;
 109 static u8 trig_timer;
 110
 111 /**
 112  * struct ab8500_reg_range
 113  * @first: the first address of the range
 114  * @last: the last address of the range
 115  * @perm: access permissions for the range
 116  */
 117 struct ab8500_reg_range {
 118         u8 first;
 119         u8 last;
 120         u8 perm;
 121 };
 122
 123 /**
 124  * struct ab8500_prcmu_ranges
 125  * @num_ranges: the number of ranges in the list
 126  * @bankid: bank identifier
 127  * @range: the list of register ranges
 128  */
 129 struct ab8500_prcmu_ranges {
 130         u8 num_ranges;
 131         u8 bankid;
 132         const struct ab8500_reg_range *range;
 133 };
 134
 135 /* hwreg- "mask" and "shift" entries ressources */
 136 struct hwreg_cfg {
 137         u32  bank;      /* target bank */
 138         u32  addr;      /* target address */
 139         uint fmt;       /* format */
 140         uint mask;      /* read/write mask, applied before any bit shift */
 141         int  shift;     /* bit shift (read:right shift, write:left shift */
 142 };
 143 /* fmt bit #0: 0=hexa, 1=dec */
 144 #define REG_FMT_DEC(c) ((c)->fmt & 0x1)
 145 #define REG_FMT_HEX(c) (!REG_FMT_DEC(c))
 146
 147 static struct hwreg_cfg hwreg_cfg = {
 148         .addr = 0,                      /* default: invalid phys addr */
 149         .fmt = 0,                       /* default: 32bit access, hex output */
 150         .mask = 0xFFFFFFFF,     /* default: no mask */
 151         .shift = 0,                     /* default: no bit shift */
 152 };
 153
 154 #define AB8500_NAME_STRING "ab8500"
 155 #define AB8500_ADC_NAME_STRING "gpadc"
 156 #define AB8500_NUM_BANKS 24
 157
 158 #define AB8500_REV_REG 0x80
 159
 160 static struct ab8500_prcmu_ranges *debug_ranges;
 161
 162 static struct ab8500_prcmu_ranges ab8500_debug_ranges[AB8500_NUM_BANKS] = {
 163         [0x0] = {
 164                 .num_ranges = 0,
 165                 .range = NULL,
 166         },
 167         [AB8500_SYS_CTRL1_BLOCK] = {
 168                 .num_ranges = 3,
 169                 .range = (struct ab8500_reg_range[]) {
 170                         {
 171                                 .first = 0x00,
 172                                 .last = 0x02,
 173                         },
 174                         {
 175                                 .first = 0x42,
 176                                 .last = 0x42,
 177                         },
 178                         {
 179                                 .first = 0x80,
 180                                 .last = 0x81,
 181                         },
 182                 },
 183         },
 184         [AB8500_SYS_CTRL2_BLOCK] = {
 185                 .num_ranges = 4,
 186                 .range = (struct ab8500_reg_range[]) {
 187                         {
 188                                 .first = 0x00,
 189                                 .last = 0x0D,
 190                         },
 191                         {
 192                                 .first = 0x0F,
 193                                 .last = 0x17,
 194                         },
 195                         {
 196                                 .first = 0x30,
 197                                 .last = 0x30,
 198                         },
 199                         {
 200                                 .first = 0x32,
 201                                 .last = 0x33,
 202                         },
 203                 },
 204         },
 205         [AB8500_REGU_CTRL1] = {
 206                 .num_ranges = 3,
 207                 .range = (struct ab8500_reg_range[]) {
 208                         {
 209                                 .first = 0x00,
 210                                 .last = 0x00,
 211                         },
 212                         {
 213                                 .first = 0x03,
 214                                 .last = 0x10,
 215                         },
 216                         {
 217                                 .first = 0x80,
 218                                 .last = 0x84,
 219                         },
 220                 },
 221         },
 222         [AB8500_REGU_CTRL2] = {
 223                 .num_ranges = 5,
 224                 .range = (struct ab8500_reg_range[]) {
 225                         {
 226                                 .first = 0x00,
 227                                 .last = 0x15,
 228                         },
 229                         {
 230                                 .first = 0x17,
 231                                 .last = 0x19,
 232                         },
 233                         {
 234                                 .first = 0x1B,
 235                                 .last = 0x1D,
 236                         },
 237                         {
 238                                 .first = 0x1F,
 239                                 .last = 0x22,
 240                         },
 241                         {
 242                                 .first = 0x40,
 243                                 .last = 0x44,
 244                         },
 245                         /* 0x80-0x8B is SIM registers and should
 246                          * not be accessed from here */
 247                 },
 248         },
 249         [AB8500_USB] = {
 250                 .num_ranges = 2,
 251                 .range = (struct ab8500_reg_range[]) {
 252                         {
 253                                 .first = 0x80,
 254                                 .last = 0x83,
 255                         },
 256                         {
 257                                 .first = 0x87,
 258                                 .last = 0x8A,
 259                         },
 260                 },
 261         },
 262         [AB8500_TVOUT] = {
 263                 .num_ranges = 9,
 264                 .range = (struct ab8500_reg_range[]) {
 265                         {
 266                                 .first = 0x00,
 267                                 .last = 0x12,
 268                         },
 269                         {
 270                                 .first = 0x15,
 271                                 .last = 0x17,
 272                         },
 273                         {
 274                                 .first = 0x19,
 275                                 .last = 0x21,
 276                         },
 277                         {
 278                                 .first = 0x27,
 279                                 .last = 0x2C,
 280                         },
 281                         {
 282                                 .first = 0x41,
 283                                 .last = 0x41,
 284                         },
 285                         {
 286                                 .first = 0x45,
 287                                 .last = 0x5B,
 288                         },
 289                         {
 290                                 .first = 0x5D,
 291                                 .last = 0x5D,
 292                         },
 293                         {
 294                                 .first = 0x69,
 295                                 .last = 0x69,
 296                         },
 297                         {
 298                                 .first = 0x80,
 299                                 .last = 0x81,
 300                         },
 301                 },
 302         },
 303         [AB8500_DBI] = {
 304                 .num_ranges = 0,
 305                 .range = NULL,
 306         },
 307         [AB8500_ECI_AV_ACC] = {
 308                 .num_ranges = 1,
 309                 .range = (struct ab8500_reg_range[]) {
 310                         {
 311                                 .first = 0x80,
 312                                 .last = 0x82,
 313                         },
 314                 },
 315         },
 316         [0x9] = {
 317                 .num_ranges = 0,
 318                 .range = NULL,
 319         },
 320         [AB8500_GPADC] = {
 321                 .num_ranges = 1,
 322                 .range = (struct ab8500_reg_range[]) {
 323                         {
 324                                 .first = 0x00,
 325                                 .last = 0x08,
 326                         },
 327                 },
 328         },
 329         [AB8500_CHARGER] = {
 330                 .num_ranges = 9,
 331                 .range = (struct ab8500_reg_range[]) {
 332                         {
 333                                 .first = 0x00,
 334                                 .last = 0x03,
 335                         },
 336                         {
 337                                 .first = 0x05,
 338                                 .last = 0x05,
 339                         },
 340                         {
 341                                 .first = 0x40,
 342                                 .last = 0x40,
 343                         },
 344                         {
 345                                 .first = 0x42,
 346                                 .last = 0x42,
 347                         },
 348                         {
 349                                 .first = 0x44,
 350                                 .last = 0x44,
 351                         },
 352                         {
 353                                 .first = 0x50,
 354                                 .last = 0x55,
 355                         },
 356                         {
 357                                 .first = 0x80,
 358                                 .last = 0x82,
 359                         },
 360                         {
 361                                 .first = 0xC0,
 362                                 .last = 0xC2,
 363                         },
 364                         {
 365                                 .first = 0xf5,
 366                                 .last = 0xf6,
 367                         },
 368                 },
 369         },
 370         [AB8500_GAS_GAUGE] = {
 371                 .num_ranges = 3,
 372                 .range = (struct ab8500_reg_range[]) {
 373                         {
 374                                 .first = 0x00,
 375                                 .last = 0x00,
 376                         },
 377                         {
 378                                 .first = 0x07,
 379                                 .last = 0x0A,
 380                         },
 381                         {
 382                                 .first = 0x10,
 383                                 .last = 0x14,
 384                         },
 385                 },
 386         },
 387         [AB8500_DEVELOPMENT] = {
 388                 .num_ranges = 1,
 389                 .range = (struct ab8500_reg_range[]) {
 390                         {
 391                                 .first = 0x00,
 392                                 .last = 0x00,
 393                         },
 394                 },
 395         },
 396         [AB8500_DEBUG] = {
 397                 .num_ranges = 1,
 398                 .range = (struct ab8500_reg_range[]) {
 399                         {
 400                                 .first = 0x05,
 401                                 .last = 0x07,
 402                         },
 403                 },
 404         },
 405         [AB8500_AUDIO] = {
 406                 .num_ranges = 1,
 407                 .range = (struct ab8500_reg_range[]) {
 408                         {
 409                                 .first = 0x00,
 410                                 .last = 0x6F,
 411                         },
 412                 },
 413         },
 414         [AB8500_INTERRUPT] = {
 415                 .num_ranges = 0,
 416                 .range = NULL,
 417         },
 418         [AB8500_RTC] = {
 419                 .num_ranges = 1,
 420                 .range = (struct ab8500_reg_range[]) {
 421                         {
 422                                 .first = 0x00,
 423                                 .last = 0x0F,
 424                         },
 425                 },
 426         },
 427         [AB8500_MISC] = {
 428                 .num_ranges = 8,
 429                 .range = (struct ab8500_reg_range[]) {
 430                         {
 431                                 .first = 0x00,
 432                                 .last = 0x05,
 433                         },
 434                         {
 435                                 .first = 0x10,
 436                                 .last = 0x15,
 437                         },
 438                         {
 439                                 .first = 0x20,
 440                                 .last = 0x25,
 441                         },
 442                         {
 443                                 .first = 0x30,
 444                                 .last = 0x35,
 445                         },
 446                         {
 447                                 .first = 0x40,
 448                                 .last = 0x45,
 449                         },
 450                         {
 451                                 .first = 0x50,
 452                                 .last = 0x50,
 453                         },
 454                         {
 455                                 .first = 0x60,
 456                                 .last = 0x67,
 457                         },
 458                         {
 459                                 .first = 0x80,
 460                                 .last = 0x80,
 461                         },
 462                 },
 463         },
 464         [0x11] = {
 465                 .num_ranges = 0,
 466                 .range = NULL,
 467         },
 468         [0x12] = {
 469                 .num_ranges = 0,
 470                 .range = NULL,
 471         },
 472         [0x13] = {
 473                 .num_ranges = 0,
 474                 .range = NULL,
 475         },
 476         [0x14] = {
 477                 .num_ranges = 0,
 478                 .range = NULL,
 479         },
 480         [AB8500_OTP_EMUL] = {
 481                 .num_ranges = 1,
 482                 .range = (struct ab8500_reg_range[]) {
 483                         {
 484                                 .first = 0x01,
 485                                 .last = 0x0F,
 486                         },
 487                 },
 488         },
 489 };
 490
 491 static struct ab8500_prcmu_ranges ab8505_debug_ranges[AB8500_NUM_BANKS] = {
 492         [0x0] = {
 493                 .num_ranges = 0,
 494                 .range = NULL,
 495         },
 496         [AB8500_SYS_CTRL1_BLOCK] = {
 497                 .num_ranges = 5,
 498                 .range = (struct ab8500_reg_range[]) {
 499                         {
 500                                 .first = 0x00,
 501                                 .last = 0x04,
 502                         },
 503                         {
 504                                 .first = 0x42,
 505                                 .last = 0x42,
 506                         },
 507                         {
 508                                 .first = 0x52,
 509                                 .last = 0x52,
 510                         },
 511                         {
 512                                 .first = 0x54,
 513                                 .last = 0x57,
 514                         },
 515                         {
 516                                 .first = 0x80,
 517                                 .last = 0x83,
 518                         },
 519                 },
 520         },
 521         [AB8500_SYS_CTRL2_BLOCK] = {
 522                 .num_ranges = 5,
 523                 .range = (struct ab8500_reg_range[]) {
 524                         {
 525                                 .first = 0x00,
 526                                 .last = 0x0D,
 527                         },
 528                         {
 529                                 .first = 0x0F,
 530                                 .last = 0x17,
 531                         },
 532                         {
 533                                 .first = 0x20,
 534                                 .last = 0x20,
 535                         },
 536                         {
 537                                 .first = 0x30,
 538                                 .last = 0x30,
 539                         },
 540                         {
 541                                 .first = 0x32,
 542                                 .last = 0x3A,
 543                         },
 544                 },
 545         },
 546         [AB8500_REGU_CTRL1] = {
 547                 .num_ranges = 3,
 548                 .range = (struct ab8500_reg_range[]) {
 549                         {
 550                                 .first = 0x00,
 551                                 .last = 0x00,
 552                         },
 553                         {
 554                                 .first = 0x03,
 555                                 .last = 0x11,
 556                         },
 557                         {
 558                                 .first = 0x80,
 559                                 .last = 0x86,
 560                         },
 561                 },
 562         },
 563         [AB8500_REGU_CTRL2] = {
 564                 .num_ranges = 6,
 565                 .range = (struct ab8500_reg_range[]) {
 566                         {
 567                                 .first = 0x00,
 568                                 .last = 0x06,
 569                         },
 570                         {
 571                                 .first = 0x08,
 572                                 .last = 0x15,
 573                         },
 574                         {
 575                                 .first = 0x17,
 576                                 .last = 0x19,
 577                         },
 578                         {
 579                                 .first = 0x1B,
 580                                 .last = 0x1D,
 581                         },
 582                         {
 583                                 .first = 0x1F,
 584                                 .last = 0x30,
 585                         },
 586                         {
 587                                 .first = 0x40,
 588                                 .last = 0x48,
 589                         },
 590                         /* 0x80-0x8B is SIM registers and should
 591                          * not be accessed from here */
 592                 },
 593         },
 594         [AB8500_USB] = {
 595                 .num_ranges = 3,
 596                 .range = (struct ab8500_reg_range[]) {
 597                         {
 598                                 .first = 0x80,
 599                                 .last = 0x83,
 600                         },
 601                         {
 602                                 .first = 0x87,
 603                                 .last = 0x8A,
 604                         },
 605                         {
 606                                 .first = 0x91,
 607                                 .last = 0x94,
 608                         },
 609                 },
 610         },
 611         [AB8500_TVOUT] = {
 612                 .num_ranges = 0,
 613                 .range = NULL,
 614         },
 615         [AB8500_DBI] = {
 616                 .num_ranges = 0,
 617                 .range = NULL,
 618         },
 619         [AB8500_ECI_AV_ACC] = {
 620                 .num_ranges = 1,
 621                 .range = (struct ab8500_reg_range[]) {
 622                         {
 623                                 .first = 0x80,
 624                                 .last = 0x82,
 625                         },
 626                 },
 627         },
 628         [AB8500_RESERVED] = {
 629                 .num_ranges = 0,
 630                 .range = NULL,
 631         },
 632         [AB8500_GPADC] = {
 633                 .num_ranges = 1,
 634                 .range = (struct ab8500_reg_range[]) {
 635                         {
 636                                 .first = 0x00,
 637                                 .last = 0x08,
 638                         },
 639                 },
 640         },
 641         [AB8500_CHARGER] = {
 642                 .num_ranges = 9,
 643                 .range = (struct ab8500_reg_range[]) {
 644                         {
 645                                 .first = 0x02,
 646                                 .last = 0x03,
 647                         },
 648                         {
 649                                 .first = 0x05,
 650                                 .last = 0x05,
 651                         },
 652                         {
 653                                 .first = 0x40,
 654                                 .last = 0x44,
 655                         },
 656                         {
 657                                 .first = 0x50,
 658                                 .last = 0x57,
 659                         },
 660                         {
 661                                 .first = 0x60,
 662                                 .last = 0x60,
 663                         },
 664                         {
 665                                 .first = 0xA0,
 666                                 .last = 0xA7,
 667                         },
 668                         {
 669                                 .first = 0xAF,
 670                                 .last = 0xB2,
 671                         },
 672                         {
 673                                 .first = 0xC0,
 674                                 .last = 0xC2,
 675                         },
 676                         {
 677                                 .first = 0xF5,
 678                                 .last = 0xF5,
 679                         },
 680                 },
 681         },
 682         [AB8500_GAS_GAUGE] = {
 683                 .num_ranges = 3,
 684                 .range = (struct ab8500_reg_range[]) {
 685                         {
 686                                 .first = 0x00,
 687                                 .last = 0x00,
 688                         },
 689                         {
 690                                 .first = 0x07,
 691                                 .last = 0x0A,
 692                         },
 693                         {
 694                                 .first = 0x10,
 695                                 .last = 0x14,
 696                         },
 697                 },
 698         },
 699         [AB8500_AUDIO] = {
 700                 .num_ranges = 1,
 701                 .range = (struct ab8500_reg_range[]) {
 702                         {
 703                                 .first = 0x00,
 704                                 .last = 0x83,
 705                         },
 706                 },
 707         },
 708         [AB8500_INTERRUPT] = {
 709                 .num_ranges = 11,
 710                 .range = (struct ab8500_reg_range[]) {
 711                         {
 712                                 .first = 0x00,
 713                                 .last = 0x04,
 714                         },
 715                         {
 716                                 .first = 0x06,
 717                                 .last = 0x07,
 718                         },
 719                         {
 720                                 .first = 0x09,
 721                                 .last = 0x09,
 722                         },
 723                         {
 724                                 .first = 0x0B,
 725                                 .last = 0x0C,
 726                         },
 727                         {
 728                                 .first = 0x12,
 729                                 .last = 0x15,
 730                         },
 731                         {
 732                                 .first = 0x18,
 733                                 .last = 0x18,
 734                         },
 735                         /* Latch registers should not be read here */
 736                         {
 737                                 .first = 0x40,
 738                                 .last = 0x44,
 739                         },
 740                         {
 741                                 .first = 0x46,
 742                                 .last = 0x49,
 743                         },
 744                         {
 745                                 .first = 0x4B,
 746                                 .last = 0x4D,
 747                         },
 748                         {
 749                                 .first = 0x52,
 750                                 .last = 0x55,
 751                         },
 752                         {
 753                                 .first = 0x58,
 754                                 .last = 0x58,
 755                         },
 756                         /* LatchHier registers should not be read here */
 757                 },
 758         },
 759         [AB8500_RTC] = {
 760                 .num_ranges = 2,
 761                 .range = (struct ab8500_reg_range[]) {
 762                         {
 763                                 .first = 0x00,
 764                                 .last = 0x14,
 765                         },
 766                         {
 767                                 .first = 0x16,
 768                                 .last = 0x17,
 769                         },
 770                 },
 771         },
 772         [AB8500_MISC] = {
 773                 .num_ranges = 8,
 774                 .range = (struct ab8500_reg_range[]) {
 775                         {
 776                                 .first = 0x00,
 777                                 .last = 0x06,
 778                         },
 779                         {
 780                                 .first = 0x10,
 781                                 .last = 0x16,
 782                         },
 783                         {
 784                                 .first = 0x20,
 785                                 .last = 0x26,
 786                         },
 787                         {
 788                                 .first = 0x30,
 789                                 .last = 0x36,
 790                         },
 791                         {
 792                                 .first = 0x40,
 793                                 .last = 0x46,
 794                         },
 795                         {
 796                                 .first = 0x50,
 797                                 .last = 0x50,
 798                         },
 799                         {
 800                                 .first = 0x60,
 801                                 .last = 0x6B,
 802                         },
 803                         {
 804                                 .first = 0x80,
 805                                 .last = 0x82,
 806                         },
 807                 },
 808         },
 809         [AB8500_DEVELOPMENT] = {
 810                 .num_ranges = 2,
 811                 .range = (struct ab8500_reg_range[]) {
 812                         {
 813                                 .first = 0x00,
 814                                 .last = 0x00,
 815                         },
 816                         {
 817                                 .first = 0x05,
 818                                 .last = 0x05,
 819                         },
 820                 },
 821         },
 822         [AB8500_DEBUG] = {
 823                 .num_ranges = 1,
 824                 .range = (struct ab8500_reg_range[]) {
 825                         {
 826                                 .first = 0x05,
 827                                 .last = 0x07,
 828                         },
 829                 },
 830         },
 831         [AB8500_PROD_TEST] = {
 832                 .num_ranges = 0,
 833                 .range = NULL,
 834         },
 835         [AB8500_STE_TEST] = {
 836                 .num_ranges = 0,
 837                 .range = NULL,
 838         },
 839         [AB8500_OTP_EMUL] = {
 840                 .num_ranges = 1,
 841                 .range = (struct ab8500_reg_range[]) {
 842                         {
 843                                 .first = 0x01,
 844                                 .last = 0x15,
 845                         },
 846                 },
 847         },
 848 };
 849
 850 static struct ab8500_prcmu_ranges ab8540_debug_ranges[AB8500_NUM_BANKS] = {
 851         [AB8500_M_FSM_RANK] = {
 852                 .num_ranges = 1,
 853                 .range = (struct ab8500_reg_range[]) {
 854                         {
 855                                 .first = 0x00,
 856                                 .last = 0x0B,
 857                         },
 858                 },
 859         },
 860         [AB8500_SYS_CTRL1_BLOCK] = {
 861                 .num_ranges = 6,
 862                 .range = (struct ab8500_reg_range[]) {
 863                         {
 864                                 .first = 0x00,
 865                                 .last = 0x04,
 866                         },
 867                         {
 868                                 .first = 0x42,
 869                                 .last = 0x42,
 870                         },
 871                         {
 872                                 .first = 0x50,
 873                                 .last = 0x54,
 874                         },
 875                         {
 876                                 .first = 0x57,
 877                                 .last = 0x57,
 878                         },
 879                         {
 880                                 .first = 0x80,
 881                                 .last = 0x83,
 882                         },
 883                         {
 884                                 .first = 0x90,
 885                                 .last = 0x90,
 886                         },
 887                 },
 888         },
 889         [AB8500_SYS_CTRL2_BLOCK] = {
 890                 .num_ranges = 5,
 891                 .range = (struct ab8500_reg_range[]) {
 892                         {
 893                                 .first = 0x00,
 894                                 .last = 0x0D,
 895                         },
 896                         {
 897                                 .first = 0x0F,
 898                                 .last = 0x10,
 899                         },
 900                         {
 901                                 .first = 0x20,
 902                                 .last = 0x21,
 903                         },
 904                         {
 905                                 .first = 0x32,
 906                                 .last = 0x3C,
 907                         },
 908                         {
 909                                 .first = 0x40,
 910                                 .last = 0x42,
 911                         },
 912                 },
 913         },
 914         [AB8500_REGU_CTRL1] = {
 915                 .num_ranges = 4,
 916                 .range = (struct ab8500_reg_range[]) {
 917                         {
 918                                 .first = 0x03,
 919                                 .last = 0x15,
 920                         },
 921                         {
 922                                 .first = 0x20,
 923                                 .last = 0x20,
 924                         },
 925                         {
 926                                 .first = 0x80,
 927                                 .last = 0x85,
 928                         },
 929                         {
 930                                 .first = 0x87,
 931                                 .last = 0x88,
 932                         },
 933                 },
 934         },
 935         [AB8500_REGU_CTRL2] = {
 936                 .num_ranges = 8,
 937                 .range = (struct ab8500_reg_range[]) {
 938                         {
 939                                 .first = 0x00,
 940                                 .last = 0x06,
 941                         },
 942                         {
 943                                 .first = 0x08,
 944                                 .last = 0x15,
 945                         },
 946                         {
 947                                 .first = 0x17,
 948                                 .last = 0x19,
 949                         },
 950                         {
 951                                 .first = 0x1B,
 952                                 .last = 0x1D,
 953                         },
 954                         {
 955                                 .first = 0x1F,
 956                                 .last = 0x2F,
 957                         },
 958                         {
 959                                 .first = 0x31,
 960                                 .last = 0x3A,
 961                         },
 962                         {
 963                                 .first = 0x43,
 964                                 .last = 0x44,
 965                         },
 966                         {
 967                                 .first = 0x48,
 968                                 .last = 0x49,
 969                         },
 970                 },
 971         },
 972         [AB8500_USB] = {
 973                 .num_ranges = 3,
 974                 .range = (struct ab8500_reg_range[]) {
 975                         {
 976                                 .first = 0x80,
 977                                 .last = 0x83,
 978                         },
 979                         {
 980                                 .first = 0x87,
 981                                 .last = 0x8A,
 982                         },
 983                         {
 984                                 .first = 0x91,
 985                                 .last = 0x94,
 986                         },
 987                 },
 988         },
 989         [AB8500_TVOUT] = {
 990                 .num_ranges = 0,
 991                 .range = NULL
 992         },
 993         [AB8500_DBI] = {
 994                 .num_ranges = 4,
 995                 .range = (struct ab8500_reg_range[]) {
 996                         {
 997                                 .first = 0x00,
 998                                 .last = 0x07,
 999                         },
1000                         {
1001                                 .first = 0x10,
1002                                 .last = 0x11,
1003                         },
1004                         {
1005                                 .first = 0x20,
1006                                 .last = 0x21,
1007                         },
1008                         {
1009                                 .first = 0x30,
1010                                 .last = 0x43,
1011                         },
1012                 },
1013         },
1014         [AB8500_ECI_AV_ACC] = {
1015                 .num_ranges = 2,
1016                 .range = (struct ab8500_reg_range[]) {
1017                         {
1018                                 .first = 0x00,
1019                                 .last = 0x03,
1020                         },
1021                         {
1022                                 .first = 0x80,
1023                                 .last = 0x82,
1024                         },
1025                 },
1026         },
1027         [AB8500_RESERVED] = {
1028                 .num_ranges = 0,
1029                 .range = NULL,
1030         },
1031         [AB8500_GPADC] = {
1032                 .num_ranges = 4,
1033                 .range = (struct ab8500_reg_range[]) {
1034                         {
1035                                 .first = 0x00,
1036                                 .last = 0x01,
1037                         },
1038                         {
1039                                 .first = 0x04,
1040                                 .last = 0x06,
1041                         },
1042                         {
1043                                 .first = 0x09,
1044                                 .last = 0x0A,
1045                         },
1046                         {
1047                                 .first = 0x10,
1048                                 .last = 0x14,
1049                         },
1050                 },
1051         },
1052         [AB8500_CHARGER] = {
1053                 .num_ranges = 10,
1054                 .range = (struct ab8500_reg_range[]) {
1055                         {
1056                                 .first = 0x00,
1057                                 .last = 0x00,
1058                         },
1059                         {
1060                                 .first = 0x02,
1061                                 .last = 0x05,
1062                         },
1063                         {
1064                                 .first = 0x40,
1065                                 .last = 0x44,
1066                         },
1067                         {
1068                                 .first = 0x50,
1069                                 .last = 0x57,
1070                         },
1071                         {
1072                                 .first = 0x60,
1073                                 .last = 0x60,
1074                         },
1075                         {
1076                                 .first = 0x70,
1077                                 .last = 0x70,
1078                         },
1079                         {
1080                                 .first = 0xA0,
1081                                 .last = 0xA9,
1082                         },
1083                         {
1084                                 .first = 0xAF,
1085                                 .last = 0xB2,
1086                         },
1087                         {
1088                                 .first = 0xC0,
1089                                 .last = 0xC6,
1090                         },
1091                         {
1092                                 .first = 0xF5,
1093                                 .last = 0xF5,
1094                         },
1095                 },
1096         },
1097         [AB8500_GAS_GAUGE] = {
1098                 .num_ranges = 3,
1099                 .range = (struct ab8500_reg_range[]) {
1100                         {
1101                                 .first = 0x00,
1102                                 .last = 0x00,
1103                         },
1104                         {
1105                                 .first = 0x07,
1106                                 .last = 0x0A,
1107                         },
1108                         {
1109                                 .first = 0x10,
1110                                 .last = 0x14,
1111                         },
1112                 },
1113         },
1114         [AB8500_AUDIO] = {
1115                 .num_ranges = 1,
1116                 .range = (struct ab8500_reg_range[]) {
1117                         {
1118                                 .first = 0x00,
1119                                 .last = 0x9f,
1120                         },
1121                 },
1122         },
1123         [AB8500_INTERRUPT] = {
1124                 .num_ranges = 6,
1125                 .range = (struct ab8500_reg_range[]) {
1126                         {
1127                                 .first = 0x00,
1128                                 .last = 0x05,
1129                         },
1130                         {
1131                                 .first = 0x0B,
1132                                 .last = 0x0D,
1133                         },
1134                         {
1135                                 .first = 0x12,
1136                                 .last = 0x20,
1137                         },
1138                         /* Latch registers should not be read here */
1139                         {
1140                                 .first = 0x40,
1141                                 .last = 0x45,
1142                         },
1143                         {
1144                                 .first = 0x4B,
1145                                 .last = 0x4D,
1146                         },
1147                         {
1148                                 .first = 0x52,
1149                                 .last = 0x60,
1150                         },
1151                         /* LatchHier registers should not be read here */
1152                 },
1153         },
1154         [AB8500_RTC] = {
1155                 .num_ranges = 3,
1156                 .range = (struct ab8500_reg_range[]) {
1157                         {
1158                                 .first = 0x00,
1159                                 .last = 0x07,
1160                         },
1161                         {
1162                                 .first = 0x0B,
1163                                 .last = 0x18,
1164                         },
1165                         {
1166                                 .first = 0x20,
1167                                 .last = 0x25,
1168                         },
1169                 },
1170         },
1171         [AB8500_MISC] = {
1172                 .num_ranges = 9,
1173                 .range = (struct ab8500_reg_range[]) {
1174                         {
1175                                 .first = 0x00,
1176                                 .last = 0x06,
1177                         },
1178                         {
1179                                 .first = 0x10,
1180                                 .last = 0x16,
1181                         },
1182                         {
1183                                 .first = 0x20,
1184                                 .last = 0x26,
1185                         },
1186                         {
1187                                 .first = 0x30,
1188                                 .last = 0x36,
1189                         },
1190                         {
1191                                 .first = 0x40,
1192                                 .last = 0x49,
1193                         },
1194                         {
1195                                 .first = 0x50,
1196                                 .last = 0x50,
1197                         },
1198                         {
1199                                 .first = 0x60,
1200                                 .last = 0x6B,
1201                         },
1202                         {
1203                                 .first = 0x70,
1204                                 .last = 0x74,
1205                         },
1206                         {
1207                                 .first = 0x80,
1208                                 .last = 0x82,
1209                         },
1210                 },
1211         },
1212         [AB8500_DEVELOPMENT] = {
1213                 .num_ranges = 3,
1214                 .range = (struct ab8500_reg_range[]) {
1215                         {
1216                                 .first = 0x00,
1217                                 .last = 0x01,
1218                         },
1219                         {
1220                                 .first = 0x06,
1221                                 .last = 0x06,
1222                         },
1223                         {
1224                                 .first = 0x10,
1225                                 .last = 0x21,
1226                         },
1227                 },
1228         },
1229         [AB8500_DEBUG] = {
1230                 .num_ranges = 3,
1231                 .range = (struct ab8500_reg_range[]) {
1232                         {
1233                                 .first = 0x01,
1234                                 .last = 0x0C,
1235                         },
1236                         {
1237                                 .first = 0x0E,
1238                                 .last = 0x11,
1239                         },
1240                         {
1241                                 .first = 0x80,
1242                                 .last = 0x81,
1243                         },
1244                 },
1245         },
1246         [AB8500_PROD_TEST] = {
1247                 .num_ranges = 0,
1248                 .range = NULL,
1249         },
1250         [AB8500_STE_TEST] = {
1251                 .num_ranges = 0,
1252                 .range = NULL,
1253         },
1254         [AB8500_OTP_EMUL] = {
1255                 .num_ranges = 1,
1256                 .range = (struct ab8500_reg_range[]) {
1257                         {
1258                                 .first = 0x00,
1259                                 .last = 0x3F,
1260                         },
1261                 },
1262         },
1263 };
1264
1265
1266 static irqreturn_t ab8500_debug_handler(int irq, void *data)
1267 {
1268         char buf[16];
1269         struct kobject *kobj = (struct kobject *)data;
1270         unsigned int irq_abb = irq - irq_first;
1271
1272         if (irq_abb < num_irqs)
1273                 irq_count[irq_abb]++;
1274         /*
1275          * This makes it possible to use poll for events (POLLPRI | POLLERR)
1276          * from userspace on sysfs file named <irq-nr>
1277          */
1278         sprintf(buf, "%d", irq);
1279         sysfs_notify(kobj, NULL, buf);
1280
1281         return IRQ_HANDLED;
1282 }
1283
1284 /* Prints to seq_file or log_buf */
1285 static int ab8500_registers_print(struct device *dev, u32 bank,
1286                                 struct seq_file *s)
1287 {
1288         unsigned int i;
1289
1290         for (i = 0; i < debug_ranges[bank].num_ranges; i++) {
1291                 u32 reg;
1292
1293                 for (reg = debug_ranges[bank].range[i].first;
1294                         reg <= debug_ranges[bank].range[i].last;
1295                         reg++) {
1296                         u8 value;
1297                         int err;
1298
1299                         err = abx500_get_register_interruptible(dev,
1300                                 (u8)bank, (u8)reg, &value);
1301                         if (err < 0) {
1302                                 dev_err(dev, "ab->read fail %d\n", err);
1303                                 return err;
1304                         }
1305
1306                         if (s) {
1307                                 err = seq_printf(s, "  [0x%02X/0x%02X]: 0x%02X\n",
1308                                         bank, reg, value);
1309                                 if (err < 0) {
1310                                         /* Error is not returned here since
1311                                          * the output is wanted in any case */
1312                                         return 0;
1313                                 }
1314                         } else {
1315                                 printk(KERN_INFO" [0x%02X/0x%02X]: 0x%02X\n",
1316                                         bank, reg, value);
1317                         }
1318                 }
1319         }
1320         return 0;
1321 }
1322
1323 static int ab8500_print_bank_registers(struct seq_file *s, void *p)
1324 {
1325         struct device *dev = s->private;
1326         u32 bank = debug_bank;
1327
1328         seq_printf(s, AB8500_NAME_STRING " register values:\n");
1329
1330         seq_printf(s, " bank 0x%02X:\n", bank);
1331
1332         ab8500_registers_print(dev, bank, s);
1333         return 0;
1334 }
1335
1336 static int ab8500_registers_open(struct inode *inode, struct file *file)
1337 {
1338         return single_open(file, ab8500_print_bank_registers, inode->i_private);
1339 }
1340
1341 static const struct file_operations ab8500_registers_fops = {
1342         .open = ab8500_registers_open,
1343         .read = seq_read,
1344         .llseek = seq_lseek,
1345         .release = single_release,
1346         .owner = THIS_MODULE,
1347 };
1348
1349 static int ab8500_print_all_banks(struct seq_file *s, void *p)
1350 {
1351         struct device *dev = s->private;
1352         unsigned int i;
1353         int err;
1354
1355         seq_printf(s, AB8500_NAME_STRING " register values:\n");
1356
1357         for (i = 0; i < AB8500_NUM_BANKS; i++) {
1358                 err = seq_printf(s, " bank 0x%02X:\n", i);
1359
1360                 ab8500_registers_print(dev, i, s);
1361         }
1362         return 0;
1363 }
1364
1365 /* Dump registers to kernel log */
1366 void ab8500_dump_all_banks(struct device *dev)
1367 {
1368         unsigned int i;
1369
1370         printk(KERN_INFO"ab8500 register values:\n");
1371
1372         for (i = 1; i < AB8500_NUM_BANKS; i++) {
1373                 printk(KERN_INFO" bank 0x%02X:\n", i);
1374                 ab8500_registers_print(dev, i, NULL);
1375         }
1376 }
1377
1378 /* Space for 500 registers. */
1379 #define DUMP_MAX_REGS 700
1380 static struct ab8500_register_dump
1381 {
1382         u8 bank;
1383         u8 reg;
1384         u8 value;
1385 } ab8500_complete_register_dump[DUMP_MAX_REGS];
1386
1387 extern int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
1388
1389 /* This shall only be called upon kernel panic! */
1390 void ab8500_dump_all_banks_to_mem(void)
1391 {
1392         int i, r = 0;
1393         u8 bank;
1394         int err = 0;
1395
1396         pr_info("Saving all ABB registers at \"ab8500_complete_register_dump\" "
1397                 "for crash analyze.\n");
1398
1399         for (bank = 0; bank < AB8500_NUM_BANKS; bank++) {
1400                 for (i = 0; i < debug_ranges[bank].num_ranges; i++) {
1401                         u8 reg;
1402
1403                         for (reg = debug_ranges[bank].range[i].first;
1404                              reg <= debug_ranges[bank].range[i].last;
1405                              reg++) {
1406                                 u8 value;
1407
1408                                 err = prcmu_abb_read(bank, reg, &value, 1);
1409
1410                                 if (err < 0)
1411                                         goto out;
1412
1413                                 ab8500_complete_register_dump[r].bank = bank;
1414                                 ab8500_complete_register_dump[r].reg = reg;
1415                                 ab8500_complete_register_dump[r].value = value;
1416
1417                                 r++;
1418
1419                                 if (r >= DUMP_MAX_REGS) {
1420                                         pr_err("%s: too many register to dump!\n",
1421                                                 __func__);
1422                                         err = -EINVAL;
1423                                         goto out;
1424                                 }
1425                         }
1426                 }
1427         }
1428 out:
1429         if (err >= 0)
1430                 pr_info("Saved all ABB registers.\n");
1431         else
1432                 pr_info("Failed to save all ABB registers.\n");
1433 }
1434
1435 static int ab8500_all_banks_open(struct inode *inode, struct file *file)
1436 {
1437         struct seq_file *s;
1438         int err;
1439
1440         err = single_open(file, ab8500_print_all_banks, inode->i_private);
1441         if (!err) {
1442                 /* Default buf size in seq_read is not enough */
1443                 s = (struct seq_file *)file->private_data;
1444                 s->size = (PAGE_SIZE * 2);
1445                 s->buf = kmalloc(s->size, GFP_KERNEL);
1446                 if (!s->buf) {
1447                         single_release(inode, file);
1448                         err = -ENOMEM;
1449                 }
1450         }
1451         return err;
1452 }
1453
1454 static const struct file_operations ab8500_all_banks_fops = {
1455         .open = ab8500_all_banks_open,
1456         .read = seq_read,
1457         .llseek = seq_lseek,
1458         .release = single_release,
1459         .owner = THIS_MODULE,
1460 };
1461
1462 static int ab8500_bank_print(struct seq_file *s, void *p)
1463 {
1464         return seq_printf(s, "0x%02X\n", debug_bank);
1465 }
1466
1467 static int ab8500_bank_open(struct inode *inode, struct file *file)
1468 {
1469         return single_open(file, ab8500_bank_print, inode->i_private);
1470 }
1471
1472 static ssize_t ab8500_bank_write(struct file *file,
1473         const char __user *user_buf,
1474         size_t count, loff_t *ppos)
1475 {
1476         struct device *dev = ((struct seq_file *)(file->private_data))->private;
1477         unsigned long user_bank;
1478         int err;
1479
1480         err = kstrtoul_from_user(user_buf, count, 0, &user_bank);
1481         if (err)
1482                 return err;
1483
1484         if (user_bank >= AB8500_NUM_BANKS) {
1485                 dev_err(dev, "debugfs error input > number of banks\n");
1486                 return -EINVAL;
1487         }
1488
1489         debug_bank = user_bank;
1490
1491         return count;
1492 }
1493
1494 static int ab8500_address_print(struct seq_file *s, void *p)
1495 {
1496         return seq_printf(s, "0x%02X\n", debug_address);
1497 }
1498
1499 static int ab8500_address_open(struct inode *inode, struct file *file)
1500 {
1501         return single_open(file, ab8500_address_print, inode->i_private);
1502 }
1503
1504 static ssize_t ab8500_address_write(struct file *file,
1505                                     const char __user *user_buf,
1506                                     size_t count, loff_t *ppos)
1507 {
1508         struct device *dev = ((struct seq_file *)(file->private_data))->private;
1509         unsigned long user_address;
1510         int err;
1511
1512         err = kstrtoul_from_user(user_buf, count, 0, &user_address);
1513         if (err)
1514                 return err;
1515
1516         if (user_address > 0xff) {
1517                 dev_err(dev, "debugfs error input > 0xff\n");
1518                 return -EINVAL;
1519         }
1520         debug_address = user_address;
1521
1522         return count;
1523 }
1524
1525 static int ab8500_val_print(struct seq_file *s, void *p)
1526 {
1527         struct device *dev = s->private;
1528         int ret;
1529         u8 regvalue;
1530
1531         ret = abx500_get_register_interruptible(dev,
1532                 (u8)debug_bank, (u8)debug_address, &regvalue);
1533         if (ret < 0) {
1534                 dev_err(dev, "abx500_get_reg fail %d, %d\n",
1535                         ret, __LINE__);
1536                 return -EINVAL;
1537         }
1538         seq_printf(s, "0x%02X\n", regvalue);
1539
1540         return 0;
1541 }
1542
1543 static int ab8500_val_open(struct inode *inode, struct file *file)
1544 {
1545         return single_open(file, ab8500_val_print, inode->i_private);
1546 }
1547
1548 static ssize_t ab8500_val_write(struct file *file,
1549                                 const char __user *user_buf,
1550                                 size_t count, loff_t *ppos)
1551 {
1552         struct device *dev = ((struct seq_file *)(file->private_data))->private;
1553         unsigned long user_val;
1554         int err;
1555
1556         err = kstrtoul_from_user(user_buf, count, 0, &user_val);
1557         if (err)
1558                 return err;
1559
1560         if (user_val > 0xff) {
1561                 dev_err(dev, "debugfs error input > 0xff\n");
1562                 return -EINVAL;
1563         }
1564         err = abx500_set_register_interruptible(dev,
1565                 (u8)debug_bank, debug_address, (u8)user_val);
1566         if (err < 0) {
1567                 printk(KERN_ERR "abx500_set_reg failed %d, %d", err, __LINE__);
1568                 return -EINVAL;
1569         }
1570
1571         return count;
1572 }
1573
1574 /*
1575  * Interrupt status
1576  */
1577 static u32 num_interrupts[AB8500_MAX_NR_IRQS];
1578 static u32 num_wake_interrupts[AB8500_MAX_NR_IRQS];
1579 static int num_interrupt_lines;
1580
1581 bool __attribute__((weak)) suspend_test_wake_cause_interrupt_is_mine(u32 my_int)
1582 {
1583         return false;
1584 }
1585
1586 void ab8500_debug_register_interrupt(int line)
1587 {
1588         if (line < num_interrupt_lines) {
1589                 num_interrupts[line]++;
1590                 if (suspend_test_wake_cause_interrupt_is_mine(irq_ab8500))
1591                         num_wake_interrupts[line]++;
1592         }
1593 }
1594
1595 static int ab8500_interrupts_print(struct seq_file *s, void *p)
1596 {
1597         int line;
1598
1599         seq_printf(s, "name: number:  number of: wake:\n");
1600
1601         for (line = 0; line < num_interrupt_lines; line++) {
1602                 struct irq_desc *desc = irq_to_desc(line + irq_first);
1603
1604                 seq_printf(s, "%3i:  %6i %4i", line,
1605                            num_interrupts[line],
1606                            num_wake_interrupts[line]);
1607
1608                 if (desc && desc->name)
1609                         seq_printf(s, "-%-8s", desc->name);
1610                 if (desc && desc->action) {
1611                         struct irqaction *action = desc->action;
1612
1613                         seq_printf(s, "  %s", action->name);
1614                         while ((action = action->next) != NULL)
1615                                 seq_printf(s, ", %s", action->name);
1616                 }
1617                 seq_putc(s, '\n');
1618         }
1619
1620         return 0;
1621 }
1622
1623 static int ab8500_interrupts_open(struct inode *inode, struct file *file)
1624 {
1625         return single_open(file, ab8500_interrupts_print, inode->i_private);
1626 }
1627
1628 /*
1629  * - HWREG DB8500 formated routines
1630  */
1631 static int ab8500_hwreg_print(struct seq_file *s, void *d)
1632 {
1633         struct device *dev = s->private;
1634         int ret;
1635         u8 regvalue;
1636
1637         ret = abx500_get_register_interruptible(dev,
1638                 (u8)hwreg_cfg.bank, (u8)hwreg_cfg.addr, &regvalue);
1639         if (ret < 0) {
1640                 dev_err(dev, "abx500_get_reg fail %d, %d\n",
1641                         ret, __LINE__);
1642                 return -EINVAL;
1643         }
1644
1645         if (hwreg_cfg.shift >= 0)
1646                 regvalue >>= hwreg_cfg.shift;
1647         else
1648                 regvalue <<= -hwreg_cfg.shift;
1649         regvalue &= hwreg_cfg.mask;
1650
1651         if (REG_FMT_DEC(&hwreg_cfg))
1652                 seq_printf(s, "%d\n", regvalue);
1653         else
1654                 seq_printf(s, "0x%02X\n", regvalue);
1655         return 0;
1656 }
1657
1658 static int ab8500_hwreg_open(struct inode *inode, struct file *file)
1659 {
1660         return single_open(file, ab8500_hwreg_print, inode->i_private);
1661 }
1662
1663 #define AB8500_SUPPLY_CONTROL_CONFIG_1 0x01
1664 #define AB8500_SUPPLY_CONTROL_REG 0x00
1665 #define AB8500_FIRST_SIM_REG 0x80
1666 #define AB8500_LAST_SIM_REG 0x8B
1667 #define AB8505_LAST_SIM_REG 0x8C
1668
1669 static int ab8500_print_modem_registers(struct seq_file *s, void *p)
1670 {
1671         struct device *dev = s->private;
1672         struct ab8500 *ab8500;
1673         int err;
1674         u8 value;
1675         u8 orig_value;
1676         u32 bank = AB8500_REGU_CTRL2;
1677         u32 last_sim_reg = AB8500_LAST_SIM_REG;
1678         u32 reg;
1679
1680         ab8500 = dev_get_drvdata(dev->parent);
1681         dev_warn(dev, "WARNING! This operation can interfer with modem side\n"
1682                 "and should only be done with care\n");
1683
1684         err = abx500_get_register_interruptible(dev,
1685                 AB8500_REGU_CTRL1, AB8500_SUPPLY_CONTROL_REG, &orig_value);
1686         if (err < 0) {
1687                 dev_err(dev, "ab->read fail %d\n", err);
1688                 return err;
1689         }
1690         /* Config 1 will allow APE side to read SIM registers */
1691         err = abx500_set_register_interruptible(dev,
1692                 AB8500_REGU_CTRL1, AB8500_SUPPLY_CONTROL_REG,
1693                 AB8500_SUPPLY_CONTROL_CONFIG_1);
1694         if (err < 0) {
1695                 dev_err(dev, "ab->write fail %d\n", err);
1696                 return err;
1697         }
1698
1699         seq_printf(s, " bank 0x%02X:\n", bank);
1700
1701         if (is_ab9540(ab8500) || is_ab8505(ab8500))
1702                 last_sim_reg = AB8505_LAST_SIM_REG;
1703
1704         for (reg = AB8500_FIRST_SIM_REG; reg <= last_sim_reg; reg++) {
1705                 err = abx500_get_register_interruptible(dev,
1706                         bank, reg, &value);
1707                 if (err < 0) {
1708                         dev_err(dev, "ab->read fail %d\n", err);
1709                         return err;
1710                 }
1711                 err = seq_printf(s, "  [0x%02X/0x%02X]: 0x%02X\n",
1712                         bank, reg, value);
1713         }
1714         err = abx500_set_register_interruptible(dev,
1715                 AB8500_REGU_CTRL1, AB8500_SUPPLY_CONTROL_REG, orig_value);
1716         if (err < 0) {
1717                 dev_err(dev, "ab->write fail %d\n", err);
1718                 return err;
1719         }
1720         return 0;
1721 }
1722
1723 static int ab8500_modem_open(struct inode *inode, struct file *file)
1724 {
1725         return single_open(file, ab8500_print_modem_registers, inode->i_private);
1726 }
1727
1728 static const struct file_operations ab8500_modem_fops = {
1729         .open = ab8500_modem_open,
1730         .read = seq_read,
1731         .llseek = seq_lseek,
1732         .release = single_release,
1733         .owner = THIS_MODULE,
1734 };
1735
1736 static int ab8500_gpadc_bat_ctrl_print(struct seq_file *s, void *p)
1737 {
1738         int bat_ctrl_raw;
1739         int bat_ctrl_convert;
1740         struct ab8500_gpadc *gpadc;
1741
1742         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
1743         bat_ctrl_raw = ab8500_gpadc_read_raw(gpadc, BAT_CTRL,
1744                 avg_sample, trig_edge, trig_timer, conv_type);
1745         bat_ctrl_convert = ab8500_gpadc_ad_to_voltage(gpadc,
1746                 BAT_CTRL, bat_ctrl_raw);
1747
1748         return seq_printf(s, "%d,0x%X\n",
1749                 bat_ctrl_convert, bat_ctrl_raw);
1750 }
1751
1752 static int ab8500_gpadc_bat_ctrl_open(struct inode *inode, struct file *file)
1753 {
1754         return single_open(file, ab8500_gpadc_bat_ctrl_print, inode->i_private);
1755 }
1756
1757 static const struct file_operations ab8500_gpadc_bat_ctrl_fops = {
1758         .open = ab8500_gpadc_bat_ctrl_open,
1759         .read = seq_read,
1760         .llseek = seq_lseek,
1761         .release = single_release,
1762         .owner = THIS_MODULE,
1763 };
1764
1765 static int ab8500_gpadc_btemp_ball_print(struct seq_file *s, void *p)
1766 {
1767         int btemp_ball_raw;
1768         int btemp_ball_convert;
1769         struct ab8500_gpadc *gpadc;
1770
1771         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
1772         btemp_ball_raw = ab8500_gpadc_read_raw(gpadc, BTEMP_BALL,
1773                 avg_sample, trig_edge, trig_timer, conv_type);
1774         btemp_ball_convert = ab8500_gpadc_ad_to_voltage(gpadc, BTEMP_BALL,
1775                 btemp_ball_raw);
1776
1777         return seq_printf(s,
1778                 "%d,0x%X\n", btemp_ball_convert, btemp_ball_raw);
1779 }
1780
1781 static int ab8500_gpadc_btemp_ball_open(struct inode *inode,
1782                                         struct file *file)
1783 {
1784         return single_open(file, ab8500_gpadc_btemp_ball_print, inode->i_private);
1785 }
1786
1787 static const struct file_operations ab8500_gpadc_btemp_ball_fops = {
1788         .open = ab8500_gpadc_btemp_ball_open,
1789         .read = seq_read,
1790         .llseek = seq_lseek,
1791         .release = single_release,
1792         .owner = THIS_MODULE,
1793 };
1794
1795 static int ab8500_gpadc_main_charger_v_print(struct seq_file *s, void *p)
1796 {
1797         int main_charger_v_raw;
1798         int main_charger_v_convert;
1799         struct ab8500_gpadc *gpadc;
1800
1801         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
1802         main_charger_v_raw = ab8500_gpadc_read_raw(gpadc, MAIN_CHARGER_V,
1803                 avg_sample, trig_edge, trig_timer, conv_type);
1804         main_charger_v_convert = ab8500_gpadc_ad_to_voltage(gpadc,
1805                 MAIN_CHARGER_V, main_charger_v_raw);
1806
1807         return seq_printf(s, "%d,0x%X\n",
1808                         main_charger_v_convert, main_charger_v_raw);
1809 }
1810
1811 static int ab8500_gpadc_main_charger_v_open(struct inode *inode,
1812                                             struct file *file)
1813 {
1814         return single_open(file, ab8500_gpadc_main_charger_v_print,
1815                 inode->i_private);
1816 }
1817
1818 static const struct file_operations ab8500_gpadc_main_charger_v_fops = {
1819         .open = ab8500_gpadc_main_charger_v_open,
1820         .read = seq_read,
1821         .llseek = seq_lseek,
1822         .release = single_release,
1823         .owner = THIS_MODULE,
1824 };
1825
1826 static int ab8500_gpadc_acc_detect1_print(struct seq_file *s, void *p)
1827 {
1828         int acc_detect1_raw;
1829         int acc_detect1_convert;
1830         struct ab8500_gpadc *gpadc;
1831
1832         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
1833         acc_detect1_raw = ab8500_gpadc_read_raw(gpadc, ACC_DETECT1,
1834                 avg_sample, trig_edge, trig_timer, conv_type);
1835         acc_detect1_convert = ab8500_gpadc_ad_to_voltage(gpadc, ACC_DETECT1,
1836                 acc_detect1_raw);
1837
1838         return seq_printf(s, "%d,0x%X\n",
1839                 acc_detect1_convert, acc_detect1_raw);
1840 }
1841
1842 static int ab8500_gpadc_acc_detect1_open(struct inode *inode,
1843                                          struct file *file)
1844 {
1845         return single_open(file, ab8500_gpadc_acc_detect1_print,
1846                 inode->i_private);
1847 }
1848
1849 static const struct file_operations ab8500_gpadc_acc_detect1_fops = {
1850         .open = ab8500_gpadc_acc_detect1_open,
1851         .read = seq_read,
1852         .llseek = seq_lseek,
1853         .release = single_release,
1854         .owner = THIS_MODULE,
1855 };
1856
1857 static int ab8500_gpadc_acc_detect2_print(struct seq_file *s, void *p)
1858 {
1859         int acc_detect2_raw;
1860         int acc_detect2_convert;
1861         struct ab8500_gpadc *gpadc;
1862
1863         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
1864         acc_detect2_raw = ab8500_gpadc_read_raw(gpadc, ACC_DETECT2,
1865                 avg_sample, trig_edge, trig_timer, conv_type);
1866         acc_detect2_convert = ab8500_gpadc_ad_to_voltage(gpadc,
1867                 ACC_DETECT2, acc_detect2_raw);
1868
1869         return seq_printf(s, "%d,0x%X\n",
1870                 acc_detect2_convert, acc_detect2_raw);
1871 }
1872
1873 static int ab8500_gpadc_acc_detect2_open(struct inode *inode,
1874                 struct file *file)
1875 {
1876         return single_open(file, ab8500_gpadc_acc_detect2_print,
1877                 inode->i_private);
1878 }
1879
1880 static const struct file_operations ab8500_gpadc_acc_detect2_fops = {
1881         .open = ab8500_gpadc_acc_detect2_open,
1882         .read = seq_read,
1883         .llseek = seq_lseek,
1884         .release = single_release,
1885         .owner = THIS_MODULE,
1886 };
1887
1888 static int ab8500_gpadc_aux1_print(struct seq_file *s, void *p)
1889 {
1890         int aux1_raw;
1891         int aux1_convert;
1892         struct ab8500_gpadc *gpadc;
1893
1894         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
1895         aux1_raw = ab8500_gpadc_read_raw(gpadc, ADC_AUX1,
1896                 avg_sample, trig_edge, trig_timer, conv_type);
1897         aux1_convert = ab8500_gpadc_ad_to_voltage(gpadc, ADC_AUX1,
1898                 aux1_raw);
1899
1900         return seq_printf(s, "%d,0x%X\n",
1901                 aux1_convert, aux1_raw);
1902 }
1903
1904 static int ab8500_gpadc_aux1_open(struct inode *inode, struct file *file)
1905 {
1906         return single_open(file, ab8500_gpadc_aux1_print, inode->i_private);
1907 }
1908
1909 static const struct file_operations ab8500_gpadc_aux1_fops = {
1910         .open = ab8500_gpadc_aux1_open,
1911         .read = seq_read,
1912         .llseek = seq_lseek,
1913         .release = single_release,
1914         .owner = THIS_MODULE,
1915 };
1916
1917 static int ab8500_gpadc_aux2_print(struct seq_file *s, void *p)
1918 {
1919         int aux2_raw;
1920         int aux2_convert;
1921         struct ab8500_gpadc *gpadc;
1922
1923         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
1924         aux2_raw = ab8500_gpadc_read_raw(gpadc, ADC_AUX2,
1925                 avg_sample, trig_edge, trig_timer, conv_type);
1926         aux2_convert = ab8500_gpadc_ad_to_voltage(gpadc, ADC_AUX2,
1927                 aux2_raw);
1928
1929         return seq_printf(s, "%d,0x%X\n",
1930                         aux2_convert, aux2_raw);
1931 }
1932
1933 static int ab8500_gpadc_aux2_open(struct inode *inode, struct file *file)
1934 {
1935         return single_open(file, ab8500_gpadc_aux2_print, inode->i_private);
1936 }
1937
1938 static const struct file_operations ab8500_gpadc_aux2_fops = {
1939         .open = ab8500_gpadc_aux2_open,
1940         .read = seq_read,
1941         .llseek = seq_lseek,
1942         .release = single_release,
1943         .owner = THIS_MODULE,
1944 };
1945
1946 static int ab8500_gpadc_main_bat_v_print(struct seq_file *s, void *p)
1947 {
1948         int main_bat_v_raw;
1949         int main_bat_v_convert;
1950         struct ab8500_gpadc *gpadc;
1951
1952         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
1953         main_bat_v_raw = ab8500_gpadc_read_raw(gpadc, MAIN_BAT_V,
1954                 avg_sample, trig_edge, trig_timer, conv_type);
1955         main_bat_v_convert = ab8500_gpadc_ad_to_voltage(gpadc, MAIN_BAT_V,
1956                 main_bat_v_raw);
1957
1958         return seq_printf(s, "%d,0x%X\n",
1959                 main_bat_v_convert, main_bat_v_raw);
1960 }
1961
1962 static int ab8500_gpadc_main_bat_v_open(struct inode *inode,
1963                                         struct file *file)
1964 {
1965         return single_open(file, ab8500_gpadc_main_bat_v_print, inode->i_private);
1966 }
1967
1968 static const struct file_operations ab8500_gpadc_main_bat_v_fops = {
1969         .open = ab8500_gpadc_main_bat_v_open,
1970         .read = seq_read,
1971         .llseek = seq_lseek,
1972         .release = single_release,
1973         .owner = THIS_MODULE,
1974 };
1975
1976 static int ab8500_gpadc_vbus_v_print(struct seq_file *s, void *p)
1977 {
1978         int vbus_v_raw;
1979         int vbus_v_convert;
1980         struct ab8500_gpadc *gpadc;
1981
1982         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
1983         vbus_v_raw =  ab8500_gpadc_read_raw(gpadc, VBUS_V,
1984                 avg_sample, trig_edge, trig_timer, conv_type);
1985         vbus_v_convert = ab8500_gpadc_ad_to_voltage(gpadc, VBUS_V,
1986                 vbus_v_raw);
1987
1988         return seq_printf(s, "%d,0x%X\n",
1989                 vbus_v_convert, vbus_v_raw);
1990 }
1991
1992 static int ab8500_gpadc_vbus_v_open(struct inode *inode, struct file *file)
1993 {
1994         return single_open(file, ab8500_gpadc_vbus_v_print, inode->i_private);
1995 }
1996
1997 static const struct file_operations ab8500_gpadc_vbus_v_fops = {
1998         .open = ab8500_gpadc_vbus_v_open,
1999         .read = seq_read,
2000         .llseek = seq_lseek,
2001         .release = single_release,
2002         .owner = THIS_MODULE,
2003 };
2004
2005 static int ab8500_gpadc_main_charger_c_print(struct seq_file *s, void *p)
2006 {
2007         int main_charger_c_raw;
2008         int main_charger_c_convert;
2009         struct ab8500_gpadc *gpadc;
2010
2011         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
2012         main_charger_c_raw = ab8500_gpadc_read_raw(gpadc, MAIN_CHARGER_C,
2013                 avg_sample, trig_edge, trig_timer, conv_type);
2014         main_charger_c_convert = ab8500_gpadc_ad_to_voltage(gpadc,
2015                 MAIN_CHARGER_C, main_charger_c_raw);
2016
2017         return seq_printf(s, "%d,0x%X\n",
2018                 main_charger_c_convert, main_charger_c_raw);
2019 }
2020
2021 static int ab8500_gpadc_main_charger_c_open(struct inode *inode,
2022                 struct file *file)
2023 {
2024         return single_open(file, ab8500_gpadc_main_charger_c_print,
2025                 inode->i_private);
2026 }
2027
2028 static const struct file_operations ab8500_gpadc_main_charger_c_fops = {
2029         .open = ab8500_gpadc_main_charger_c_open,
2030         .read = seq_read,
2031         .llseek = seq_lseek,
2032         .release = single_release,
2033         .owner = THIS_MODULE,
2034 };
2035
2036 static int ab8500_gpadc_usb_charger_c_print(struct seq_file *s, void *p)
2037 {
2038         int usb_charger_c_raw;
2039         int usb_charger_c_convert;
2040         struct ab8500_gpadc *gpadc;
2041
2042         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
2043         usb_charger_c_raw = ab8500_gpadc_read_raw(gpadc, USB_CHARGER_C,
2044                 avg_sample, trig_edge, trig_timer, conv_type);
2045         usb_charger_c_convert = ab8500_gpadc_ad_to_voltage(gpadc,
2046                 USB_CHARGER_C, usb_charger_c_raw);
2047
2048         return seq_printf(s, "%d,0x%X\n",
2049                 usb_charger_c_convert, usb_charger_c_raw);
2050 }
2051
2052 static int ab8500_gpadc_usb_charger_c_open(struct inode *inode,
2053                 struct file *file)
2054 {
2055         return single_open(file, ab8500_gpadc_usb_charger_c_print,
2056                 inode->i_private);
2057 }
2058
2059 static const struct file_operations ab8500_gpadc_usb_charger_c_fops = {
2060         .open = ab8500_gpadc_usb_charger_c_open,
2061         .read = seq_read,
2062         .llseek = seq_lseek,
2063         .release = single_release,
2064         .owner = THIS_MODULE,
2065 };
2066
2067 static int ab8500_gpadc_bk_bat_v_print(struct seq_file *s, void *p)
2068 {
2069         int bk_bat_v_raw;
2070         int bk_bat_v_convert;
2071         struct ab8500_gpadc *gpadc;
2072
2073         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
2074         bk_bat_v_raw = ab8500_gpadc_read_raw(gpadc, BK_BAT_V,
2075                 avg_sample, trig_edge, trig_timer, conv_type);
2076         bk_bat_v_convert = ab8500_gpadc_ad_to_voltage(gpadc,
2077                 BK_BAT_V, bk_bat_v_raw);
2078
2079         return seq_printf(s, "%d,0x%X\n",
2080                 bk_bat_v_convert, bk_bat_v_raw);
2081 }
2082
2083 static int ab8500_gpadc_bk_bat_v_open(struct inode *inode, struct file *file)
2084 {
2085         return single_open(file, ab8500_gpadc_bk_bat_v_print, inode->i_private);
2086 }
2087
2088 static const struct file_operations ab8500_gpadc_bk_bat_v_fops = {
2089         .open = ab8500_gpadc_bk_bat_v_open,
2090         .read = seq_read,
2091         .llseek = seq_lseek,
2092         .release = single_release,
2093         .owner = THIS_MODULE,
2094 };
2095
2096 static int ab8500_gpadc_die_temp_print(struct seq_file *s, void *p)
2097 {
2098         int die_temp_raw;
2099         int die_temp_convert;
2100         struct ab8500_gpadc *gpadc;
2101
2102         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
2103         die_temp_raw = ab8500_gpadc_read_raw(gpadc, DIE_TEMP,
2104                 avg_sample, trig_edge, trig_timer, conv_type);
2105         die_temp_convert = ab8500_gpadc_ad_to_voltage(gpadc, DIE_TEMP,
2106                 die_temp_raw);
2107
2108         return seq_printf(s, "%d,0x%X\n",
2109                 die_temp_convert, die_temp_raw);
2110 }
2111
2112 static int ab8500_gpadc_die_temp_open(struct inode *inode, struct file *file)
2113 {
2114         return single_open(file, ab8500_gpadc_die_temp_print, inode->i_private);
2115 }
2116
2117 static const struct file_operations ab8500_gpadc_die_temp_fops = {
2118         .open = ab8500_gpadc_die_temp_open,
2119         .read = seq_read,
2120         .llseek = seq_lseek,
2121         .release = single_release,
2122         .owner = THIS_MODULE,
2123 };
2124
2125 static int ab8500_gpadc_usb_id_print(struct seq_file *s, void *p)
2126 {
2127         int usb_id_raw;
2128         int usb_id_convert;
2129         struct ab8500_gpadc *gpadc;
2130
2131         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
2132         usb_id_raw = ab8500_gpadc_read_raw(gpadc, USB_ID,
2133                 avg_sample, trig_edge, trig_timer, conv_type);
2134         usb_id_convert = ab8500_gpadc_ad_to_voltage(gpadc, USB_ID,
2135                 usb_id_raw);
2136
2137         return seq_printf(s, "%d,0x%X\n",
2138                 usb_id_convert, usb_id_raw);
2139 }
2140
2141 static int ab8500_gpadc_usb_id_open(struct inode *inode, struct file *file)
2142 {
2143         return single_open(file, ab8500_gpadc_usb_id_print, inode->i_private);
2144 }
2145
2146 static const struct file_operations ab8500_gpadc_usb_id_fops = {
2147         .open = ab8500_gpadc_usb_id_open,
2148         .read = seq_read,
2149         .llseek = seq_lseek,
2150         .release = single_release,
2151         .owner = THIS_MODULE,
2152 };
2153
2154 static int ab8540_gpadc_xtal_temp_print(struct seq_file *s, void *p)
2155 {
2156         int xtal_temp_raw;
2157         int xtal_temp_convert;
2158         struct ab8500_gpadc *gpadc;
2159
2160         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
2161         xtal_temp_raw = ab8500_gpadc_read_raw(gpadc, XTAL_TEMP,
2162                 avg_sample, trig_edge, trig_timer, conv_type);
2163         xtal_temp_convert = ab8500_gpadc_ad_to_voltage(gpadc, XTAL_TEMP,
2164                 xtal_temp_raw);
2165
2166         return seq_printf(s, "%d,0x%X\n",
2167                 xtal_temp_convert, xtal_temp_raw);
2168 }
2169
2170 static int ab8540_gpadc_xtal_temp_open(struct inode *inode, struct file *file)
2171 {
2172         return single_open(file, ab8540_gpadc_xtal_temp_print,
2173                 inode->i_private);
2174 }
2175
2176 static const struct file_operations ab8540_gpadc_xtal_temp_fops = {
2177         .open = ab8540_gpadc_xtal_temp_open,
2178         .read = seq_read,
2179         .llseek = seq_lseek,
2180         .release = single_release,
2181         .owner = THIS_MODULE,
2182 };
2183
2184 static int ab8540_gpadc_vbat_true_meas_print(struct seq_file *s, void *p)
2185 {
2186         int vbat_true_meas_raw;
2187         int vbat_true_meas_convert;
2188         struct ab8500_gpadc *gpadc;
2189
2190         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
2191         vbat_true_meas_raw = ab8500_gpadc_read_raw(gpadc, VBAT_TRUE_MEAS,
2192                 avg_sample, trig_edge, trig_timer, conv_type);
2193         vbat_true_meas_convert = ab8500_gpadc_ad_to_voltage(gpadc, VBAT_TRUE_MEAS,
2194                 vbat_true_meas_raw);
2195
2196         return seq_printf(s, "%d,0x%X\n",
2197                 vbat_true_meas_convert, vbat_true_meas_raw);
2198 }
2199
2200 static int ab8540_gpadc_vbat_true_meas_open(struct inode *inode,
2201                 struct file *file)
2202 {
2203         return single_open(file, ab8540_gpadc_vbat_true_meas_print,
2204                 inode->i_private);
2205 }
2206
2207 static const struct file_operations ab8540_gpadc_vbat_true_meas_fops = {
2208         .open = ab8540_gpadc_vbat_true_meas_open,
2209         .read = seq_read,
2210         .llseek = seq_lseek,
2211         .release = single_release,
2212         .owner = THIS_MODULE,
2213 };
2214
2215 static int ab8540_gpadc_bat_ctrl_and_ibat_print(struct seq_file *s, void *p)
2216 {
2217         int bat_ctrl_raw;
2218         int bat_ctrl_convert;
2219         int ibat_raw;
2220         int ibat_convert;
2221         struct ab8500_gpadc *gpadc;
2222
2223         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
2224         bat_ctrl_raw = ab8500_gpadc_double_read_raw(gpadc, BAT_CTRL_AND_IBAT,
2225                 avg_sample, trig_edge, trig_timer, conv_type, &ibat_raw);
2226
2227         bat_ctrl_convert = ab8500_gpadc_ad_to_voltage(gpadc, BAT_CTRL,
2228                 bat_ctrl_raw);
2229         ibat_convert = ab8500_gpadc_ad_to_voltage(gpadc, IBAT_VIRTUAL_CHANNEL,
2230                 ibat_raw);
2231
2232         return seq_printf(s, "%d,0x%X\n"  "%d,0x%X\n",
2233                 bat_ctrl_convert, bat_ctrl_raw,
2234                 ibat_convert, ibat_raw);
2235 }
2236
2237 static int ab8540_gpadc_bat_ctrl_and_ibat_open(struct inode *inode,
2238                 struct file *file)
2239 {
2240         return single_open(file, ab8540_gpadc_bat_ctrl_and_ibat_print,
2241                 inode->i_private);
2242 }
2243
2244 static const struct file_operations ab8540_gpadc_bat_ctrl_and_ibat_fops = {
2245         .open = ab8540_gpadc_bat_ctrl_and_ibat_open,
2246         .read = seq_read,
2247         .llseek = seq_lseek,
2248         .release = single_release,
2249         .owner = THIS_MODULE,
2250 };
2251
2252 static int ab8540_gpadc_vbat_meas_and_ibat_print(struct seq_file *s, void *p)
2253 {
2254         int vbat_meas_raw;
2255         int vbat_meas_convert;
2256         int ibat_raw;
2257         int ibat_convert;
2258         struct ab8500_gpadc *gpadc;
2259
2260         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
2261         vbat_meas_raw = ab8500_gpadc_double_read_raw(gpadc, VBAT_MEAS_AND_IBAT,
2262                 avg_sample, trig_edge, trig_timer, conv_type, &ibat_raw);
2263         vbat_meas_convert = ab8500_gpadc_ad_to_voltage(gpadc, MAIN_BAT_V,
2264                 vbat_meas_raw);
2265         ibat_convert = ab8500_gpadc_ad_to_voltage(gpadc, IBAT_VIRTUAL_CHANNEL,
2266                 ibat_raw);
2267
2268         return seq_printf(s, "%d,0x%X\n"  "%d,0x%X\n",
2269                 vbat_meas_convert, vbat_meas_raw,
2270                 ibat_convert, ibat_raw);
2271 }
2272
2273 static int ab8540_gpadc_vbat_meas_and_ibat_open(struct inode *inode,
2274                 struct file *file)
2275 {
2276         return single_open(file, ab8540_gpadc_vbat_meas_and_ibat_print,
2277                 inode->i_private);
2278 }
2279
2280 static const struct file_operations ab8540_gpadc_vbat_meas_and_ibat_fops = {
2281         .open = ab8540_gpadc_vbat_meas_and_ibat_open,
2282         .read = seq_read,
2283         .llseek = seq_lseek,
2284         .release = single_release,
2285         .owner = THIS_MODULE,
2286 };
2287
2288 static int ab8540_gpadc_vbat_true_meas_and_ibat_print(struct seq_file *s, void *p)
2289 {
2290         int vbat_true_meas_raw;
2291         int vbat_true_meas_convert;
2292         int ibat_raw;
2293         int ibat_convert;
2294         struct ab8500_gpadc *gpadc;
2295
2296         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
2297         vbat_true_meas_raw = ab8500_gpadc_double_read_raw(gpadc,
2298                         VBAT_TRUE_MEAS_AND_IBAT, avg_sample, trig_edge,
2299                         trig_timer, conv_type, &ibat_raw);
2300         vbat_true_meas_convert = ab8500_gpadc_ad_to_voltage(gpadc,
2301                         VBAT_TRUE_MEAS, vbat_true_meas_raw);
2302         ibat_convert = ab8500_gpadc_ad_to_voltage(gpadc, IBAT_VIRTUAL_CHANNEL,
2303                 ibat_raw);
2304
2305         return seq_printf(s, "%d,0x%X\n"  "%d,0x%X\n",
2306                 vbat_true_meas_convert, vbat_true_meas_raw,
2307                 ibat_convert, ibat_raw);
2308 }
2309
2310 static int ab8540_gpadc_vbat_true_meas_and_ibat_open(struct inode *inode,
2311                 struct file *file)
2312 {
2313         return single_open(file, ab8540_gpadc_vbat_true_meas_and_ibat_print,
2314                 inode->i_private);
2315 }
2316
2317 static const struct file_operations ab8540_gpadc_vbat_true_meas_and_ibat_fops = {
2318         .open = ab8540_gpadc_vbat_true_meas_and_ibat_open,
2319         .read = seq_read,
2320         .llseek = seq_lseek,
2321         .release = single_release,
2322         .owner = THIS_MODULE,
2323 };
2324
2325 static int ab8540_gpadc_bat_temp_and_ibat_print(struct seq_file *s, void *p)
2326 {
2327         int bat_temp_raw;
2328         int bat_temp_convert;
2329         int ibat_raw;
2330         int ibat_convert;
2331         struct ab8500_gpadc *gpadc;
2332
2333         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
2334         bat_temp_raw = ab8500_gpadc_double_read_raw(gpadc, BAT_TEMP_AND_IBAT,
2335                 avg_sample, trig_edge, trig_timer, conv_type, &ibat_raw);
2336         bat_temp_convert = ab8500_gpadc_ad_to_voltage(gpadc, BTEMP_BALL,
2337                 bat_temp_raw);
2338         ibat_convert = ab8500_gpadc_ad_to_voltage(gpadc, IBAT_VIRTUAL_CHANNEL,
2339                 ibat_raw);
2340
2341         return seq_printf(s, "%d,0x%X\n"  "%d,0x%X\n",
2342                 bat_temp_convert, bat_temp_raw,
2343                 ibat_convert, ibat_raw);
2344 }
2345
2346 static int ab8540_gpadc_bat_temp_and_ibat_open(struct inode *inode,
2347                 struct file *file)
2348 {
2349         return single_open(file, ab8540_gpadc_bat_temp_and_ibat_print,
2350                 inode->i_private);
2351 }
2352
2353 static const struct file_operations ab8540_gpadc_bat_temp_and_ibat_fops = {
2354         .open = ab8540_gpadc_bat_temp_and_ibat_open,
2355         .read = seq_read,
2356         .llseek = seq_lseek,
2357         .release = single_release,
2358         .owner = THIS_MODULE,
2359 };
2360
2361 static int ab8540_gpadc_otp_cal_print(struct seq_file *s, void *p)
2362 {
2363         struct ab8500_gpadc *gpadc;
2364         u16 vmain_l, vmain_h, btemp_l, btemp_h;
2365         u16 vbat_l, vbat_h, ibat_l, ibat_h;
2366
2367         gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
2368         ab8540_gpadc_get_otp(gpadc, &vmain_l, &vmain_h, &btemp_l, &btemp_h,
2369                         &vbat_l, &vbat_h, &ibat_l, &ibat_h);
2370         return seq_printf(s, "VMAIN_L:0x%X\n"
2371                 "VMAIN_H:0x%X\n"
2372                 "BTEMP_L:0x%X\n"
2373                 "BTEMP_H:0x%X\n"
2374                 "VBAT_L:0x%X\n"
2375                 "VBAT_H:0x%X\n"
2376                 "IBAT_L:0x%X\n"
2377                 "IBAT_H:0x%X\n",
2378                 vmain_l, vmain_h, btemp_l, btemp_h, vbat_l, vbat_h, ibat_l, ibat_h);
2379 }
2380
2381 static int ab8540_gpadc_otp_cal_open(struct inode *inode, struct file *file)
2382 {
2383         return single_open(file, ab8540_gpadc_otp_cal_print, inode->i_private);
2384 }
2385
2386 static const struct file_operations ab8540_gpadc_otp_calib_fops = {
2387         .open = ab8540_gpadc_otp_cal_open,
2388         .read = seq_read,
2389         .llseek = seq_lseek,
2390         .release = single_release,
2391         .owner = THIS_MODULE,
2392 };
2393
2394 static int ab8500_gpadc_avg_sample_print(struct seq_file *s, void *p)
2395 {
2396         return seq_printf(s, "%d\n", avg_sample);
2397 }
2398
2399 static int ab8500_gpadc_avg_sample_open(struct inode *inode, struct file *file)
2400 {
2401         return single_open(file, ab8500_gpadc_avg_sample_print,
2402                 inode->i_private);
2403 }
2404
2405 static ssize_t ab8500_gpadc_avg_sample_write(struct file *file,
2406         const char __user *user_buf,
2407         size_t count, loff_t *ppos)
2408 {
2409         struct device *dev = ((struct seq_file *)(file->private_data))->private;
2410         unsigned long user_avg_sample;
2411         int err;
2412
2413         err = kstrtoul_from_user(user_buf, count, 0, &user_avg_sample);
2414         if (err)
2415                 return err;
2416
2417         if ((user_avg_sample == SAMPLE_1) || (user_avg_sample == SAMPLE_4)
2418                         || (user_avg_sample == SAMPLE_8)
2419                         || (user_avg_sample == SAMPLE_16)) {
2420                 avg_sample = (u8) user_avg_sample;
2421         } else {
2422                 dev_err(dev, "debugfs error input: "
2423                         "should be egal to 1, 4, 8 or 16\n");
2424                 return -EINVAL;
2425         }
2426
2427         return count;
2428 }
2429
2430 static const struct file_operations ab8500_gpadc_avg_sample_fops = {
2431         .open = ab8500_gpadc_avg_sample_open,
2432         .read = seq_read,
2433         .write = ab8500_gpadc_avg_sample_write,
2434         .llseek = seq_lseek,
2435         .release = single_release,
2436         .owner = THIS_MODULE,
2437 };
2438
2439 static int ab8500_gpadc_trig_edge_print(struct seq_file *s, void *p)
2440 {
2441         return seq_printf(s, "%d\n", trig_edge);
2442 }
2443
2444 static int ab8500_gpadc_trig_edge_open(struct inode *inode, struct file *file)
2445 {
2446         return single_open(file, ab8500_gpadc_trig_edge_print,
2447                 inode->i_private);
2448 }
2449
2450 static ssize_t ab8500_gpadc_trig_edge_write(struct file *file,
2451         const char __user *user_buf,
2452         size_t count, loff_t *ppos)
2453 {
2454         struct device *dev = ((struct seq_file *)(file->private_data))->private;
2455         unsigned long user_trig_edge;
2456         int err;
2457
2458         err = kstrtoul_from_user(user_buf, count, 0, &user_trig_edge);
2459         if (err)
2460                 return err;
2461
2462         if ((user_trig_edge == RISING_EDGE)
2463                         || (user_trig_edge == FALLING_EDGE)) {
2464                 trig_edge = (u8) user_trig_edge;
2465         } else {
2466                 dev_err(dev, "Wrong input:\n"
2467                         "Enter 0. Rising edge\n"
2468                         "Enter 1. Falling edge\n");
2469                 return -EINVAL;
2470         }
2471
2472         return count;
2473 }
2474
2475 static const struct file_operations ab8500_gpadc_trig_edge_fops = {
2476         .open = ab8500_gpadc_trig_edge_open,
2477         .read = seq_read,
2478         .write = ab8500_gpadc_trig_edge_write,
2479         .llseek = seq_lseek,
2480         .release = single_release,
2481         .owner = THIS_MODULE,
2482 };
2483
2484 static int ab8500_gpadc_trig_timer_print(struct seq_file *s, void *p)
2485 {
2486         return seq_printf(s, "%d\n", trig_timer);
2487 }
2488
2489 static int ab8500_gpadc_trig_timer_open(struct inode *inode, struct file *file)
2490 {
2491         return single_open(file, ab8500_gpadc_trig_timer_print,
2492                 inode->i_private);
2493 }
2494
2495 static ssize_t ab8500_gpadc_trig_timer_write(struct file *file,
2496         const char __user *user_buf,
2497         size_t count, loff_t *ppos)
2498 {
2499         struct device *dev = ((struct seq_file *)(file->private_data))->private;
2500         unsigned long user_trig_timer;
2501         int err;
2502
2503         err = kstrtoul_from_user(user_buf, count, 0, &user_trig_timer);
2504         if (err)
2505                 return err;
2506
2507         if ((user_trig_timer >= 0) && (user_trig_timer <= 255)) {
2508                 trig_timer = (u8) user_trig_timer;
2509         } else {
2510                 dev_err(dev, "debugfs error input: "
2511                         "should be beetween 0 to 255\n");
2512                 return -EINVAL;
2513         }
2514
2515         return count;
2516 }
2517
2518 static const struct file_operations ab8500_gpadc_trig_timer_fops = {
2519         .open = ab8500_gpadc_trig_timer_open,
2520         .read = seq_read,
2521         .write = ab8500_gpadc_trig_timer_write,
2522         .llseek = seq_lseek,
2523         .release = single_release,
2524         .owner = THIS_MODULE,
2525 };
2526
2527 static int ab8500_gpadc_conv_type_print(struct seq_file *s, void *p)
2528 {
2529         return seq_printf(s, "%d\n", conv_type);
2530 }
2531
2532 static int ab8500_gpadc_conv_type_open(struct inode *inode, struct file *file)
2533 {
2534         return single_open(file, ab8500_gpadc_conv_type_print,
2535                 inode->i_private);
2536 }
2537
2538 static ssize_t ab8500_gpadc_conv_type_write(struct file *file,
2539         const char __user *user_buf,
2540         size_t count, loff_t *ppos)
2541 {
2542         struct device *dev = ((struct seq_file *)(file->private_data))->private;
2543         unsigned long user_conv_type;
2544         int err;
2545
2546         err = kstrtoul_from_user(user_buf, count, 0, &user_conv_type);
2547         if (err)
2548                 return err;
2549
2550         if ((user_conv_type == ADC_SW)
2551                         || (user_conv_type == ADC_HW)) {
2552                 conv_type = (u8) user_conv_type;
2553         } else {
2554                 dev_err(dev, "Wrong input:\n"
2555                         "Enter 0. ADC SW conversion\n"
2556                         "Enter 1. ADC HW conversion\n");
2557                 return -EINVAL;
2558         }
2559
2560         return count;
2561 }
2562
2563 static const struct file_operations ab8500_gpadc_conv_type_fops = {
2564         .open = ab8500_gpadc_conv_type_open,
2565         .read = seq_read,
2566         .write = ab8500_gpadc_conv_type_write,
2567         .llseek = seq_lseek,
2568         .release = single_release,
2569         .owner = THIS_MODULE,
2570 };
2571
2572 /*
2573  * return length of an ASCII numerical value, 0 is string is not a
2574  * numerical value.
2575  * string shall start at value 1st char.
2576  * string can be tailed with \0 or space or newline chars only.
2577  * value can be decimal or hexadecimal (prefixed 0x or 0X).
2578  */
2579 static int strval_len(char *b)
2580 {
2581         char *s = b;
2582         if ((*s == '0') && ((*(s+1) == 'x') || (*(s+1) == 'X'))) {
2583                 s += 2;
2584                 for (; *s && (*s != ' ') && (*s != '\n'); s++) {
2585                         if (!isxdigit(*s))
2586                                 return 0;
2587                 }
2588         } else {
2589                 if (*s == '-')
2590                         s++;
2591                 for (; *s && (*s != ' ') && (*s != '\n'); s++) {
2592                         if (!isdigit(*s))
2593                                 return 0;
2594                 }
2595         }
2596         return (int) (s-b);
2597 }
2598
2599 /*
2600  * parse hwreg input data.
2601  * update global hwreg_cfg only if input data syntax is ok.
2602  */
2603 static ssize_t hwreg_common_write(char *b, struct hwreg_cfg *cfg,
2604                 struct device *dev)
2605 {
2606         uint write, val = 0;
2607         u8  regvalue;
2608         int ret;
2609         struct hwreg_cfg loc = {
2610                 .bank = 0,          /* default: invalid phys addr */
2611                 .addr = 0,          /* default: invalid phys addr */
2612                 .fmt = 0,           /* default: 32bit access, hex output */
2613                 .mask = 0xFFFFFFFF, /* default: no mask */
2614                 .shift = 0,         /* default: no bit shift */
2615         };
2616
2617         /* read or write ? */
2618         if (!strncmp(b, "read ", 5)) {
2619                 write = 0;
2620                 b += 5;
2621         } else if (!strncmp(b, "write ", 6)) {
2622                 write = 1;
2623                 b += 6;
2624         } else
2625                 return -EINVAL;
2626
2627         /* OPTIONS -l|-w|-b -s -m -o */
2628         while ((*b == ' ') || (*b == '-')) {
2629                 if (*(b-1) != ' ') {
2630                         b++;
2631                         continue;
2632                 }
2633                 if ((!strncmp(b, "-d ", 3)) ||
2634                                 (!strncmp(b, "-dec ", 5))) {
2635                         b += (*(b+2) == ' ') ? 3 : 5;
2636                         loc.fmt |= (1<<0);
2637                 } else if ((!strncmp(b, "-h ", 3)) ||
2638                                 (!strncmp(b, "-hex ", 5))) {
2639                         b += (*(b+2) == ' ') ? 3 : 5;
2640                         loc.fmt &= ~(1<<0);
2641                 } else if ((!strncmp(b, "-m ", 3)) ||
2642                                 (!strncmp(b, "-mask ", 6))) {
2643                         b += (*(b+2) == ' ') ? 3 : 6;
2644                         if (strval_len(b) == 0)
2645                                 return -EINVAL;
2646                         loc.mask = simple_strtoul(b, &b, 0);
2647                 } else if ((!strncmp(b, "-s ", 3)) ||
2648                                 (!strncmp(b, "-shift ", 7))) {
2649                         b += (*(b+2) == ' ') ? 3 : 7;
2650                         if (strval_len(b) == 0)
2651                                 return -EINVAL;
2652                         loc.shift = simple_strtol(b, &b, 0);
2653                 } else {
2654                         return -EINVAL;
2655                 }
2656         }
2657         /* get arg BANK and ADDRESS */
2658         if (strval_len(b) == 0)
2659                 return -EINVAL;
2660         loc.bank = simple_strtoul(b, &b, 0);
2661         while (*b == ' ')
2662                 b++;
2663         if (strval_len(b) == 0)
2664                 return -EINVAL;
2665         loc.addr = simple_strtoul(b, &b, 0);
2666
2667         if (write) {
2668                 while (*b == ' ')
2669                         b++;
2670                 if (strval_len(b) == 0)
2671                         return -EINVAL;
2672                 val = simple_strtoul(b, &b, 0);
2673         }
2674
2675         /* args are ok, update target cfg (mainly for read) */
2676         *cfg = loc;
2677
2678 #ifdef ABB_HWREG_DEBUG
2679         pr_warn("HWREG request: %s, %s, addr=0x%08X, mask=0x%X, shift=%d"
2680                         "value=0x%X\n", (write) ? "write" : "read",
2681                         REG_FMT_DEC(cfg) ? "decimal" : "hexa",
2682                         cfg->addr, cfg->mask, cfg->shift, val);
2683 #endif
2684
2685         if (!write)
2686                 return 0;
2687
2688         ret = abx500_get_register_interruptible(dev,
2689                         (u8)cfg->bank, (u8)cfg->addr, &regvalue);
2690         if (ret < 0) {
2691                 dev_err(dev, "abx500_get_reg fail %d, %d\n",
2692                         ret, __LINE__);
2693                 return -EINVAL;
2694         }
2695
2696         if (cfg->shift >= 0) {
2697                 regvalue &= ~(cfg->mask << (cfg->shift));
2698                 val = (val & cfg->mask) << (cfg->shift);
2699         } else {
2700                 regvalue &= ~(cfg->mask >> (-cfg->shift));
2701                 val = (val & cfg->mask) >> (-cfg->shift);
2702         }
2703         val = val | regvalue;
2704
2705         ret = abx500_set_register_interruptible(dev,
2706                         (u8)cfg->bank, (u8)cfg->addr, (u8)val);
2707         if (ret < 0) {
2708                 pr_err("abx500_set_reg failed %d, %d", ret, __LINE__);
2709                 return -EINVAL;
2710         }
2711
2712         return 0;
2713 }
2714
2715 static ssize_t ab8500_hwreg_write(struct file *file,
2716         const char __user *user_buf, size_t count, loff_t *ppos)
2717 {
2718         struct device *dev = ((struct seq_file *)(file->private_data))->private;
2719         char buf[128];
2720         int buf_size, ret;
2721
2722         /* Get userspace string and assure termination */
2723         buf_size = min(count, (sizeof(buf)-1));
2724         if (copy_from_user(buf, user_buf, buf_size))
2725                 return -EFAULT;
2726         buf[buf_size] = 0;
2727
2728         /* get args and process */
2729         ret = hwreg_common_write(buf, &hwreg_cfg, dev);
2730         return (ret) ? ret : buf_size;
2731 }
2732
2733 /*
2734  * - irq subscribe/unsubscribe stuff
2735  */
2736 static int ab8500_subscribe_unsubscribe_print(struct seq_file *s, void *p)
2737 {
2738         seq_printf(s, "%d\n", irq_first);
2739
2740         return 0;
2741 }
2742
2743 static int ab8500_subscribe_unsubscribe_open(struct inode *inode,
2744                                              struct file *file)
2745 {
2746         return single_open(file, ab8500_subscribe_unsubscribe_print,
2747                 inode->i_private);
2748 }
2749
2750 /*
2751  * Userspace should use poll() on this file. When an event occur
2752  * the blocking poll will be released.
2753  */
2754 static ssize_t show_irq(struct device *dev,
2755                         struct device_attribute *attr, char *buf)
2756 {
2757         unsigned long name;
2758         unsigned int irq_index;
2759         int err;
2760
2761         err = kstrtoul(attr->attr.name, 0, &name);
2762         if (err)
2763                 return err;
2764
2765         irq_index = name - irq_first;
2766         if (irq_index >= num_irqs)
2767                 return -EINVAL;
2768         else
2769                 return sprintf(buf, "%u\n", irq_count[irq_index]);
2770 }
2771
2772 static ssize_t ab8500_subscribe_write(struct file *file,
2773                                       const char __user *user_buf,
2774                                       size_t count, loff_t *ppos)
2775 {
2776         struct device *dev = ((struct seq_file *)(file->private_data))->private;
2777         unsigned long user_val;
2778         int err;
2779         unsigned int irq_index;
2780
2781         err = kstrtoul_from_user(user_buf, count, 0, &user_val);
2782         if (err)
2783                 return err;
2784
2785         if (user_val < irq_first) {
2786                 dev_err(dev, "debugfs error input < %d\n", irq_first);
2787                 return -EINVAL;
2788         }
2789         if (user_val > irq_last) {
2790                 dev_err(dev, "debugfs error input > %d\n", irq_last);
2791                 return -EINVAL;
2792         }
2793
2794         irq_index = user_val - irq_first;
2795         if (irq_index >= num_irqs)
2796                 return -EINVAL;
2797
2798         /*
2799          * This will create a sysfs file named <irq-nr> which userspace can
2800          * use to select or poll and get the AB8500 events
2801          */
2802         dev_attr[irq_index] = kmalloc(sizeof(struct device_attribute),
2803                 GFP_KERNEL);
2804         if (!dev_attr[irq_index])
2805                 return -ENOMEM;
2806
2807         event_name[irq_index] = kmalloc(count, GFP_KERNEL);
2808         if (!event_name[irq_index])
2809                 return -ENOMEM;
2810
2811         sprintf(event_name[irq_index], "%lu", user_val);
2812         dev_attr[irq_index]->show = show_irq;
2813         dev_attr[irq_index]->store = NULL;
2814         dev_attr[irq_index]->attr.name = event_name[irq_index];
2815         dev_attr[irq_index]->attr.mode = S_IRUGO;
2816         err = sysfs_create_file(&dev->kobj, &dev_attr[irq_index]->attr);
2817         if (err < 0) {
2818                 printk(KERN_ERR "sysfs_create_file failed %d\n", err);
2819                 return err;
2820         }
2821
2822         err = request_threaded_irq(user_val, NULL, ab8500_debug_handler,
2823                                    IRQF_SHARED | IRQF_NO_SUSPEND,
2824                                    "ab8500-debug", &dev->kobj);
2825         if (err < 0) {
2826                 printk(KERN_ERR "request_threaded_irq failed %d, %lu\n",
2827                        err, user_val);
2828                 sysfs_remove_file(&dev->kobj, &dev_attr[irq_index]->attr);
2829                 return err;
2830         }
2831
2832         return count;
2833 }
2834
2835 static ssize_t ab8500_unsubscribe_write(struct file *file,
2836                                         const char __user *user_buf,
2837                                         size_t count, loff_t *ppos)
2838 {
2839         struct device *dev = ((struct seq_file *)(file->private_data))->private;
2840         unsigned long user_val;
2841         int err;
2842         unsigned int irq_index;
2843
2844         err = kstrtoul_from_user(user_buf, count, 0, &user_val);
2845         if (err)
2846                 return err;
2847
2848         if (user_val < irq_first) {
2849                 dev_err(dev, "debugfs error input < %d\n", irq_first);
2850                 return -EINVAL;
2851         }
2852         if (user_val > irq_last) {
2853                 dev_err(dev, "debugfs error input > %d\n", irq_last);
2854                 return -EINVAL;
2855         }
2856
2857         irq_index = user_val - irq_first;
2858         if (irq_index >= num_irqs)
2859                 return -EINVAL;
2860
2861         /* Set irq count to 0 when unsubscribe */
2862         irq_count[irq_index] = 0;
2863
2864         if (dev_attr[irq_index])
2865                 sysfs_remove_file(&dev->kobj, &dev_attr[irq_index]->attr);
2866
2867
2868         free_irq(user_val, &dev->kobj);
2869         kfree(event_name[irq_index]);
2870         kfree(dev_attr[irq_index]);
2871
2872         return count;
2873 }
2874
2875 /*
2876  * - several deubgfs nodes fops
2877  */
2878
2879 static const struct file_operations ab8500_bank_fops = {
2880         .open = ab8500_bank_open,
2881         .write = ab8500_bank_write,
2882         .read = seq_read,
2883         .llseek = seq_lseek,
2884         .release = single_release,
2885         .owner = THIS_MODULE,
2886 };
2887
2888 static const struct file_operations ab8500_address_fops = {
2889         .open = ab8500_address_open,
2890         .write = ab8500_address_write,
2891         .read = seq_read,
2892         .llseek = seq_lseek,
2893         .release = single_release,
2894         .owner = THIS_MODULE,
2895 };
2896
2897 static const struct file_operations ab8500_val_fops = {
2898         .open = ab8500_val_open,
2899         .write = ab8500_val_write,
2900         .read = seq_read,
2901         .llseek = seq_lseek,
2902         .release = single_release,
2903         .owner = THIS_MODULE,
2904 };
2905
2906 static const struct file_operations ab8500_interrupts_fops = {
2907         .open = ab8500_interrupts_open,
2908         .read = seq_read,
2909         .llseek = seq_lseek,
2910         .release = single_release,
2911         .owner = THIS_MODULE,
2912 };
2913
2914 static const struct file_operations ab8500_subscribe_fops = {
2915         .open = ab8500_subscribe_unsubscribe_open,
2916         .write = ab8500_subscribe_write,
2917         .read = seq_read,
2918         .llseek = seq_lseek,
2919         .release = single_release,
2920         .owner = THIS_MODULE,
2921 };
2922
2923 static const struct file_operations ab8500_unsubscribe_fops = {
2924         .open = ab8500_subscribe_unsubscribe_open,
2925         .write = ab8500_unsubscribe_write,
2926         .read = seq_read,
2927         .llseek = seq_lseek,
2928         .release = single_release,
2929         .owner = THIS_MODULE,
2930 };
2931
2932 static const struct file_operations ab8500_hwreg_fops = {
2933         .open = ab8500_hwreg_open,
2934         .write = ab8500_hwreg_write,
2935         .read = seq_read,
2936         .llseek = seq_lseek,
2937         .release = single_release,
2938         .owner = THIS_MODULE,
2939 };
2940
2941 static struct dentry *ab8500_dir;
2942 static struct dentry *ab8500_gpadc_dir;
2943
2944 static int ab8500_debug_probe(struct platform_device *plf)
2945 {
2946         struct dentry *file;
2947         struct ab8500 *ab8500;
2948         struct resource *res;
2949         debug_bank = AB8500_MISC;
2950         debug_address = AB8500_REV_REG & 0x00FF;
2951
2952         ab8500 = dev_get_drvdata(plf->dev.parent);
2953         num_irqs = ab8500->mask_size;
2954
2955         irq_count = devm_kzalloc(&plf->dev,
2956                                  sizeof(*irq_count)*num_irqs, GFP_KERNEL);
2957         if (!irq_count)
2958                 return -ENOMEM;
2959
2960         dev_attr = devm_kzalloc(&plf->dev,
2961                                 sizeof(*dev_attr)*num_irqs,GFP_KERNEL);
2962         if (!dev_attr)
2963                 return -ENOMEM;
2964
2965         event_name = devm_kzalloc(&plf->dev,
2966                                   sizeof(*event_name)*num_irqs, GFP_KERNEL);
2967         if (!event_name)
2968                 return -ENOMEM;
2969
2970         res = platform_get_resource_byname(plf, 0, "IRQ_AB8500");
2971         if (!res) {
2972                 dev_err(&plf->dev, "AB8500 irq not found, err %d\n",
2973                         irq_first);
2974                 return ENXIO;
2975         }
2976         irq_ab8500 = res->start;
2977
2978         irq_first = platform_get_irq_byname(plf, "IRQ_FIRST");
2979         if (irq_first < 0) {
2980                 dev_err(&plf->dev, "First irq not found, err %d\n",
2981                         irq_first);
2982                 return irq_first;
2983         }
2984
2985         irq_last = platform_get_irq_byname(plf, "IRQ_LAST");
2986         if (irq_last < 0) {
2987                 dev_err(&plf->dev, "Last irq not found, err %d\n",
2988                         irq_last);
2989                 return irq_last;
2990         }
2991
2992         ab8500_dir = debugfs_create_dir(AB8500_NAME_STRING, NULL);
2993         if (!ab8500_dir)
2994                 goto err;
2995
2996         ab8500_gpadc_dir = debugfs_create_dir(AB8500_ADC_NAME_STRING,
2997                 ab8500_dir);
2998         if (!ab8500_gpadc_dir)
2999                 goto err;
3000
3001         file = debugfs_create_file("all-bank-registers", S_IRUGO,
3002                 ab8500_dir, &plf->dev, &ab8500_registers_fops);
3003         if (!file)
3004                 goto err;
3005
3006         file = debugfs_create_file("all-banks", S_IRUGO,
3007                 ab8500_dir, &plf->dev, &ab8500_all_banks_fops);
3008         if (!file)
3009                 goto err;
3010
3011         file = debugfs_create_file("register-bank", (S_IRUGO | S_IWUSR | S_IWGRP),
3012                 ab8500_dir, &plf->dev, &ab8500_bank_fops);
3013         if (!file)
3014                 goto err;
3015
3016         file = debugfs_create_file("register-address", (S_IRUGO | S_IWUSR | S_IWGRP),
3017                 ab8500_dir, &plf->dev, &ab8500_address_fops);
3018         if (!file)
3019                 goto err;
3020
3021         file = debugfs_create_file("register-value", (S_IRUGO | S_IWUSR | S_IWGRP),
3022                 ab8500_dir, &plf->dev, &ab8500_val_fops);
3023         if (!file)
3024                 goto err;
3025
3026         file = debugfs_create_file("irq-subscribe", (S_IRUGO | S_IWUSR | S_IWGRP),
3027                 ab8500_dir, &plf->dev, &ab8500_subscribe_fops);
3028         if (!file)
3029                 goto err;
3030
3031         if (is_ab8500(ab8500)) {
3032                 debug_ranges = ab8500_debug_ranges;
3033                 num_interrupt_lines = AB8500_NR_IRQS;
3034         } else if (is_ab8505(ab8500)) {
3035                 debug_ranges = ab8505_debug_ranges;
3036                 num_interrupt_lines = AB8505_NR_IRQS;
3037         } else if (is_ab9540(ab8500)) {
3038                 debug_ranges = ab8505_debug_ranges;
3039                 num_interrupt_lines = AB9540_NR_IRQS;
3040         } else if (is_ab8540(ab8500)) {
3041                 debug_ranges = ab8540_debug_ranges;
3042                 num_interrupt_lines = AB8540_NR_IRQS;
3043         }
3044
3045         file = debugfs_create_file("interrupts", (S_IRUGO),
3046                 ab8500_dir, &plf->dev, &ab8500_interrupts_fops);
3047         if (!file)
3048                 goto err;
3049
3050         file = debugfs_create_file("irq-unsubscribe", (S_IRUGO | S_IWUSR | S_IWGRP),
3051                 ab8500_dir, &plf->dev, &ab8500_unsubscribe_fops);
3052         if (!file)
3053                 goto err;
3054
3055         file = debugfs_create_file("hwreg", (S_IRUGO | S_IWUSR | S_IWGRP),
3056                 ab8500_dir, &plf->dev, &ab8500_hwreg_fops);
3057         if (!file)
3058                 goto err;
3059
3060         file = debugfs_create_file("all-modem-registers", (S_IRUGO | S_IWUSR | S_IWGRP),
3061                 ab8500_dir, &plf->dev, &ab8500_modem_fops);
3062         if (!file)
3063                 goto err;
3064
3065         file = debugfs_create_file("bat_ctrl", (S_IRUGO | S_IWUSR | S_IWGRP),
3066                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_bat_ctrl_fops);
3067         if (!file)
3068                 goto err;
3069
3070         file = debugfs_create_file("btemp_ball", (S_IRUGO | S_IWUSR | S_IWGRP),
3071                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_btemp_ball_fops);
3072         if (!file)
3073                 goto err;
3074
3075         file = debugfs_create_file("main_charger_v", (S_IRUGO | S_IWUSR | S_IWGRP),
3076                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_main_charger_v_fops);
3077         if (!file)
3078                 goto err;
3079
3080         file = debugfs_create_file("acc_detect1", (S_IRUGO | S_IWUSR | S_IWGRP),
3081                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_acc_detect1_fops);
3082         if (!file)
3083                 goto err;
3084
3085         file = debugfs_create_file("acc_detect2", (S_IRUGO | S_IWUSR | S_IWGRP),
3086                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_acc_detect2_fops);
3087         if (!file)
3088                 goto err;
3089
3090         file = debugfs_create_file("adc_aux1", (S_IRUGO | S_IWUSR | S_IWGRP),
3091                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_aux1_fops);
3092         if (!file)
3093                 goto err;
3094
3095         file = debugfs_create_file("adc_aux2", (S_IRUGO | S_IWUSR | S_IWGRP),
3096                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_aux2_fops);
3097         if (!file)
3098                 goto err;
3099
3100         file = debugfs_create_file("main_bat_v", (S_IRUGO | S_IWUSR | S_IWGRP),
3101                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_main_bat_v_fops);
3102         if (!file)
3103                 goto err;
3104
3105         file = debugfs_create_file("vbus_v", (S_IRUGO | S_IWUSR | S_IWGRP),
3106                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_vbus_v_fops);
3107         if (!file)
3108                 goto err;
3109
3110         file = debugfs_create_file("main_charger_c", (S_IRUGO | S_IWUSR | S_IWGRP),
3111                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_main_charger_c_fops);
3112         if (!file)
3113                 goto err;
3114
3115         file = debugfs_create_file("usb_charger_c", (S_IRUGO | S_IWUSR | S_IWGRP),
3116                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_usb_charger_c_fops);
3117         if (!file)
3118                 goto err;
3119
3120         file = debugfs_create_file("bk_bat_v", (S_IRUGO | S_IWUSR | S_IWGRP),
3121                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_bk_bat_v_fops);
3122         if (!file)
3123                 goto err;
3124
3125         file = debugfs_create_file("die_temp", (S_IRUGO | S_IWUSR | S_IWGRP),
3126                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_die_temp_fops);
3127         if (!file)
3128                 goto err;
3129
3130         file = debugfs_create_file("usb_id", (S_IRUGO | S_IWUSR | S_IWGRP),
3131                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_usb_id_fops);
3132         if (!file)
3133                 goto err;
3134
3135         if (is_ab8540(ab8500)) {
3136                 file = debugfs_create_file("xtal_temp", (S_IRUGO | S_IWUSR | S_IWGRP),
3137                         ab8500_gpadc_dir, &plf->dev, &ab8540_gpadc_xtal_temp_fops);
3138                 if (!file)
3139                         goto err;
3140                 file = debugfs_create_file("vbattruemeas", (S_IRUGO | S_IWUSR | S_IWGRP),
3141                         ab8500_gpadc_dir, &plf->dev,
3142                         &ab8540_gpadc_vbat_true_meas_fops);
3143                 if (!file)
3144                         goto err;
3145                 file = debugfs_create_file("batctrl_and_ibat",
3146                         (S_IRUGO | S_IWUGO), ab8500_gpadc_dir,
3147                         &plf->dev, &ab8540_gpadc_bat_ctrl_and_ibat_fops);
3148                 if (!file)
3149                         goto err;
3150                 file = debugfs_create_file("vbatmeas_and_ibat",
3151                         (S_IRUGO | S_IWUGO), ab8500_gpadc_dir,
3152                         &plf->dev,
3153                         &ab8540_gpadc_vbat_meas_and_ibat_fops);
3154                 if (!file)
3155                         goto err;
3156                 file = debugfs_create_file("vbattruemeas_and_ibat",
3157                         (S_IRUGO | S_IWUGO), ab8500_gpadc_dir,
3158                         &plf->dev,
3159                         &ab8540_gpadc_vbat_true_meas_and_ibat_fops);
3160                 if (!file)
3161                         goto err;
3162                 file = debugfs_create_file("battemp_and_ibat",
3163                         (S_IRUGO | S_IWUGO), ab8500_gpadc_dir,
3164                         &plf->dev, &ab8540_gpadc_bat_temp_and_ibat_fops);
3165                 if (!file)
3166                         goto err;
3167                 file = debugfs_create_file("otp_calib", (S_IRUGO | S_IWUSR | S_IWGRP),
3168                         ab8500_gpadc_dir, &plf->dev, &ab8540_gpadc_otp_calib_fops);
3169                 if (!file)
3170                         goto err;
3171         }
3172         file = debugfs_create_file("avg_sample", (S_IRUGO | S_IWUSR | S_IWGRP),
3173                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_avg_sample_fops);
3174         if (!file)
3175                 goto err;
3176
3177         file = debugfs_create_file("trig_edge", (S_IRUGO | S_IWUSR | S_IWGRP),
3178                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_trig_edge_fops);
3179         if (!file)
3180                 goto err;
3181
3182         file = debugfs_create_file("trig_timer", (S_IRUGO | S_IWUSR | S_IWGRP),
3183                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_trig_timer_fops);
3184         if (!file)
3185                 goto err;
3186
3187         file = debugfs_create_file("conv_type", (S_IRUGO | S_IWUSR | S_IWGRP),
3188                 ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_conv_type_fops);
3189         if (!file)
3190                 goto err;
3191
3192         return 0;
3193
3194 err:
3195         if (ab8500_dir)
3196                 debugfs_remove_recursive(ab8500_dir);
3197         dev_err(&plf->dev, "failed to create debugfs entries.\n");
3198
3199         return -ENOMEM;
3200 }
3201
3202 static int ab8500_debug_remove(struct platform_device *plf)
3203 {
3204         debugfs_remove_recursive(ab8500_dir);
3205
3206         return 0;
3207 }
3208
3209 static struct platform_driver ab8500_debug_driver = {
3210         .driver = {
3211                 .name = "ab8500-debug",
3212                 .owner = THIS_MODULE,
3213         },
3214         .probe  = ab8500_debug_probe,
3215         .remove = ab8500_debug_remove
3216 };
3217
3218 static int __init ab8500_debug_init(void)
3219 {
3220         return platform_driver_register(&ab8500_debug_driver);
3221 }
3222
3223 static void __exit ab8500_debug_exit(void)
3224 {
3225         platform_driver_unregister(&ab8500_debug_driver);
3226 }
3227 subsys_initcall(ab8500_debug_init);
3228 module_exit(ab8500_debug_exit);
3229
3230 MODULE_AUTHOR("Mattias WALLIN <mattias.wallin@stericsson.com");
3231 MODULE_DESCRIPTION("AB8500 DEBUG");
3232 MODULE_LICENSE("GPL v2");