drivers/raw/ifpga_rawdev/base/ifpga_fme.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2018 Intel Corporation
   3  */
   4
   5 #include "ifpga_feature_dev.h"
   6 #include "opae_spi.h"
   7 #include "opae_intel_max10.h"
   8 #include "opae_i2c.h"
   9 #include "opae_at24_eeprom.h"
  10
  11 #define PWR_THRESHOLD_MAX       0x7F
  12
  13 int fme_get_prop(struct ifpga_fme_hw *fme, struct feature_prop *prop)
  14 {
  15         struct feature *feature;
  16
  17         if (!fme)
  18                 return -ENOENT;
  19
  20         feature = get_fme_feature_by_id(fme, prop->feature_id);
  21
  22         if (feature && feature->ops && feature->ops->get_prop)
  23                 return feature->ops->get_prop(feature, prop);
  24
  25         return -ENOENT;
  26 }
  27
  28 int fme_set_prop(struct ifpga_fme_hw *fme, struct feature_prop *prop)
  29 {
  30         struct feature *feature;
  31
  32         if (!fme)
  33                 return -ENOENT;
  34
  35         feature = get_fme_feature_by_id(fme, prop->feature_id);
  36
  37         if (feature && feature->ops && feature->ops->set_prop)
  38                 return feature->ops->set_prop(feature, prop);
  39
  40         return -ENOENT;
  41 }
  42
  43 int fme_set_irq(struct ifpga_fme_hw *fme, u32 feature_id, void *irq_set)
  44 {
  45         struct feature *feature;
  46
  47         if (!fme)
  48                 return -ENOENT;
  49
  50         feature = get_fme_feature_by_id(fme, feature_id);
  51
  52         if (feature && feature->ops && feature->ops->set_irq)
  53                 return feature->ops->set_irq(feature, irq_set);
  54
  55         return -ENOENT;
  56 }
  57
  58 /* fme private feature head */
  59 static int fme_hdr_init(struct feature *feature)
  60 {
  61         struct feature_fme_header *fme_hdr;
  62
  63         fme_hdr = (struct feature_fme_header *)feature->addr;
  64
  65         dev_info(NULL, "FME HDR Init.\n");
  66         dev_info(NULL, "FME cap %llx.\n",
  67                  (unsigned long long)fme_hdr->capability.csr);
  68
  69         return 0;
  70 }
  71
  72 static void fme_hdr_uinit(struct feature *feature)
  73 {
  74         UNUSED(feature);
  75
  76         dev_info(NULL, "FME HDR UInit.\n");
  77 }
  78
  79 static int fme_hdr_get_revision(struct ifpga_fme_hw *fme, u64 *revision)
  80 {
  81         struct feature_fme_header *fme_hdr
  82                 = get_fme_feature_ioaddr_by_index(fme, FME_FEATURE_ID_HEADER);
  83         struct feature_header header;
  84
  85         header.csr = readq(&fme_hdr->header);
  86         *revision = header.revision;
  87
  88         return 0;
  89 }
  90
  91 static int fme_hdr_get_ports_num(struct ifpga_fme_hw *fme, u64 *ports_num)
  92 {
  93         struct feature_fme_header *fme_hdr
  94                 = get_fme_feature_ioaddr_by_index(fme, FME_FEATURE_ID_HEADER);
  95         struct feature_fme_capability fme_capability;
  96
  97         fme_capability.csr = readq(&fme_hdr->capability);
  98         *ports_num = fme_capability.num_ports;
  99
 100         return 0;
 101 }
 102
 103 static int fme_hdr_get_cache_size(struct ifpga_fme_hw *fme, u64 *cache_size)
 104 {
 105         struct feature_fme_header *fme_hdr
 106                 = get_fme_feature_ioaddr_by_index(fme, FME_FEATURE_ID_HEADER);
 107         struct feature_fme_capability fme_capability;
 108
 109         fme_capability.csr = readq(&fme_hdr->capability);
 110         *cache_size = fme_capability.cache_size;
 111
 112         return 0;
 113 }
 114
 115 static int fme_hdr_get_version(struct ifpga_fme_hw *fme, u64 *version)
 116 {
 117         struct feature_fme_header *fme_hdr
 118                 = get_fme_feature_ioaddr_by_index(fme, FME_FEATURE_ID_HEADER);
 119         struct feature_fme_capability fme_capability;
 120
 121         fme_capability.csr = readq(&fme_hdr->capability);
 122         *version = fme_capability.fabric_verid;
 123
 124         return 0;
 125 }
 126
 127 static int fme_hdr_get_socket_id(struct ifpga_fme_hw *fme, u64 *socket_id)
 128 {
 129         struct feature_fme_header *fme_hdr
 130                 = get_fme_feature_ioaddr_by_index(fme, FME_FEATURE_ID_HEADER);
 131         struct feature_fme_capability fme_capability;
 132
 133         fme_capability.csr = readq(&fme_hdr->capability);
 134         *socket_id = fme_capability.socket_id;
 135
 136         return 0;
 137 }
 138
 139 static int fme_hdr_get_bitstream_id(struct ifpga_fme_hw *fme,
 140                                     u64 *bitstream_id)
 141 {
 142         struct feature_fme_header *fme_hdr
 143                 = get_fme_feature_ioaddr_by_index(fme, FME_FEATURE_ID_HEADER);
 144
 145         *bitstream_id = readq(&fme_hdr->bitstream_id);
 146
 147         return 0;
 148 }
 149
 150 static int fme_hdr_get_bitstream_metadata(struct ifpga_fme_hw *fme,
 151                                           u64 *bitstream_metadata)
 152 {
 153         struct feature_fme_header *fme_hdr
 154                 = get_fme_feature_ioaddr_by_index(fme, FME_FEATURE_ID_HEADER);
 155
 156         *bitstream_metadata = readq(&fme_hdr->bitstream_md);
 157
 158         return 0;
 159 }
 160
 161 static int
 162 fme_hdr_get_prop(struct feature *feature, struct feature_prop *prop)
 163 {
 164         struct ifpga_fme_hw *fme = feature->parent;
 165
 166         switch (prop->prop_id) {
 167         case FME_HDR_PROP_REVISION:
 168                 return fme_hdr_get_revision(fme, &prop->data);
 169         case FME_HDR_PROP_PORTS_NUM:
 170                 return fme_hdr_get_ports_num(fme, &prop->data);
 171         case FME_HDR_PROP_CACHE_SIZE:
 172                 return fme_hdr_get_cache_size(fme, &prop->data);
 173         case FME_HDR_PROP_VERSION:
 174                 return fme_hdr_get_version(fme, &prop->data);
 175         case FME_HDR_PROP_SOCKET_ID:
 176                 return fme_hdr_get_socket_id(fme, &prop->data);
 177         case FME_HDR_PROP_BITSTREAM_ID:
 178                 return fme_hdr_get_bitstream_id(fme, &prop->data);
 179         case FME_HDR_PROP_BITSTREAM_METADATA:
 180                 return fme_hdr_get_bitstream_metadata(fme, &prop->data);
 181         }
 182
 183         return -ENOENT;
 184 }
 185
 186 struct feature_ops fme_hdr_ops = {
 187         .init = fme_hdr_init,
 188         .uinit = fme_hdr_uinit,
 189         .get_prop = fme_hdr_get_prop,
 190 };
 191
 192 /* thermal management */
 193 static int fme_thermal_get_threshold1(struct ifpga_fme_hw *fme, u64 *thres1)
 194 {
 195         struct feature_fme_thermal *thermal;
 196         struct feature_fme_tmp_threshold temp_threshold;
 197
 198         thermal = get_fme_feature_ioaddr_by_index(fme,
 199                                                   FME_FEATURE_ID_THERMAL_MGMT);
 200
 201         temp_threshold.csr = readq(&thermal->threshold);
 202         *thres1 = temp_threshold.tmp_thshold1;
 203
 204         return 0;
 205 }
 206
 207 static int fme_thermal_set_threshold1(struct ifpga_fme_hw *fme, u64 thres1)
 208 {
 209         struct feature_fme_thermal *thermal;
 210         struct feature_fme_header *fme_hdr;
 211         struct feature_fme_tmp_threshold tmp_threshold;
 212         struct feature_fme_capability fme_capability;
 213
 214         thermal = get_fme_feature_ioaddr_by_index(fme,
 215                                                   FME_FEATURE_ID_THERMAL_MGMT);
 216         fme_hdr = get_fme_feature_ioaddr_by_index(fme, FME_FEATURE_ID_HEADER);
 217
 218         spinlock_lock(&fme->lock);
 219         tmp_threshold.csr = readq(&thermal->threshold);
 220         fme_capability.csr = readq(&fme_hdr->capability);
 221
 222         if (fme_capability.lock_bit == 1) {
 223                 spinlock_unlock(&fme->lock);
 224                 return -EBUSY;
 225         } else if (thres1 > 100) {
 226                 spinlock_unlock(&fme->lock);
 227                 return -EINVAL;
 228         } else if (thres1 == 0) {
 229                 tmp_threshold.tmp_thshold1_enable = 0;
 230                 tmp_threshold.tmp_thshold1 = thres1;
 231         } else {
 232                 tmp_threshold.tmp_thshold1_enable = 1;
 233                 tmp_threshold.tmp_thshold1 = thres1;
 234         }
 235
 236         writeq(tmp_threshold.csr, &thermal->threshold);
 237         spinlock_unlock(&fme->lock);
 238
 239         return 0;
 240 }
 241
 242 static int fme_thermal_get_threshold2(struct ifpga_fme_hw *fme, u64 *thres2)
 243 {
 244         struct feature_fme_thermal *thermal;
 245         struct feature_fme_tmp_threshold temp_threshold;
 246
 247         thermal = get_fme_feature_ioaddr_by_index(fme,
 248                                                   FME_FEATURE_ID_THERMAL_MGMT);
 249
 250         temp_threshold.csr = readq(&thermal->threshold);
 251         *thres2 = temp_threshold.tmp_thshold2;
 252
 253         return 0;
 254 }
 255
 256 static int fme_thermal_set_threshold2(struct ifpga_fme_hw *fme, u64 thres2)
 257 {
 258         struct feature_fme_thermal *thermal;
 259         struct feature_fme_header *fme_hdr;
 260         struct feature_fme_tmp_threshold tmp_threshold;
 261         struct feature_fme_capability fme_capability;
 262
 263         thermal = get_fme_feature_ioaddr_by_index(fme,
 264                                                   FME_FEATURE_ID_THERMAL_MGMT);
 265         fme_hdr = get_fme_feature_ioaddr_by_index(fme, FME_FEATURE_ID_HEADER);
 266
 267         spinlock_lock(&fme->lock);
 268         tmp_threshold.csr = readq(&thermal->threshold);
 269         fme_capability.csr = readq(&fme_hdr->capability);
 270
 271         if (fme_capability.lock_bit == 1) {
 272                 spinlock_unlock(&fme->lock);
 273                 return -EBUSY;
 274         } else if (thres2 > 100) {
 275                 spinlock_unlock(&fme->lock);
 276                 return -EINVAL;
 277         } else if (thres2 == 0) {
 278                 tmp_threshold.tmp_thshold2_enable = 0;
 279                 tmp_threshold.tmp_thshold2 = thres2;
 280         } else {
 281                 tmp_threshold.tmp_thshold2_enable = 1;
 282                 tmp_threshold.tmp_thshold2 = thres2;
 283         }
 284
 285         writeq(tmp_threshold.csr, &thermal->threshold);
 286         spinlock_unlock(&fme->lock);
 287
 288         return 0;
 289 }
 290
 291 static int fme_thermal_get_threshold_trip(struct ifpga_fme_hw *fme,
 292                                           u64 *thres_trip)
 293 {
 294         struct feature_fme_thermal *thermal;
 295         struct feature_fme_tmp_threshold temp_threshold;
 296
 297         thermal = get_fme_feature_ioaddr_by_index(fme,
 298                                                   FME_FEATURE_ID_THERMAL_MGMT);
 299
 300         temp_threshold.csr = readq(&thermal->threshold);
 301         *thres_trip = temp_threshold.therm_trip_thshold;
 302
 303         return 0;
 304 }
 305
 306 static int fme_thermal_get_threshold1_reached(struct ifpga_fme_hw *fme,
 307                                               u64 *thres1_reached)
 308 {
 309         struct feature_fme_thermal *thermal;
 310         struct feature_fme_tmp_threshold temp_threshold;
 311
 312         thermal = get_fme_feature_ioaddr_by_index(fme,
 313                                                   FME_FEATURE_ID_THERMAL_MGMT);
 314
 315         temp_threshold.csr = readq(&thermal->threshold);
 316         *thres1_reached = temp_threshold.thshold1_status;
 317
 318         return 0;
 319 }
 320
 321 static int fme_thermal_get_threshold2_reached(struct ifpga_fme_hw *fme,
 322                                               u64 *thres1_reached)
 323 {
 324         struct feature_fme_thermal *thermal;
 325         struct feature_fme_tmp_threshold temp_threshold;
 326
 327         thermal = get_fme_feature_ioaddr_by_index(fme,
 328                                                   FME_FEATURE_ID_THERMAL_MGMT);
 329
 330         temp_threshold.csr = readq(&thermal->threshold);
 331         *thres1_reached = temp_threshold.thshold2_status;
 332
 333         return 0;
 334 }
 335
 336 static int fme_thermal_get_threshold1_policy(struct ifpga_fme_hw *fme,
 337                                              u64 *thres1_policy)
 338 {
 339         struct feature_fme_thermal *thermal;
 340         struct feature_fme_tmp_threshold temp_threshold;
 341
 342         thermal = get_fme_feature_ioaddr_by_index(fme,
 343                                                   FME_FEATURE_ID_THERMAL_MGMT);
 344
 345         temp_threshold.csr = readq(&thermal->threshold);
 346         *thres1_policy = temp_threshold.thshold_policy;
 347
 348         return 0;
 349 }
 350
 351 static int fme_thermal_set_threshold1_policy(struct ifpga_fme_hw *fme,
 352                                              u64 thres1_policy)
 353 {
 354         struct feature_fme_thermal *thermal;
 355         struct feature_fme_tmp_threshold tmp_threshold;
 356
 357         thermal = get_fme_feature_ioaddr_by_index(fme,
 358                                                   FME_FEATURE_ID_THERMAL_MGMT);
 359
 360         spinlock_lock(&fme->lock);
 361         tmp_threshold.csr = readq(&thermal->threshold);
 362
 363         if (thres1_policy == 0) {
 364                 tmp_threshold.thshold_policy = 0;
 365         } else if (thres1_policy == 1) {
 366                 tmp_threshold.thshold_policy = 1;
 367         } else {
 368                 spinlock_unlock(&fme->lock);
 369                 return -EINVAL;
 370         }
 371
 372         writeq(tmp_threshold.csr, &thermal->threshold);
 373         spinlock_unlock(&fme->lock);
 374
 375         return 0;
 376 }
 377
 378 static int fme_thermal_get_temperature(struct ifpga_fme_hw *fme, u64 *temp)
 379 {
 380         struct feature_fme_thermal *thermal;
 381         struct feature_fme_temp_rdsensor_fmt1 temp_rdsensor_fmt1;
 382
 383         thermal = get_fme_feature_ioaddr_by_index(fme,
 384                                                   FME_FEATURE_ID_THERMAL_MGMT);
 385
 386         temp_rdsensor_fmt1.csr = readq(&thermal->rdsensor_fm1);
 387         *temp = temp_rdsensor_fmt1.fpga_temp;
 388
 389         return 0;
 390 }
 391
 392 static int fme_thermal_get_revision(struct ifpga_fme_hw *fme, u64 *revision)
 393 {
 394         struct feature_fme_thermal *fme_thermal
 395                 = get_fme_feature_ioaddr_by_index(fme,
 396                                                   FME_FEATURE_ID_THERMAL_MGMT);
 397         struct feature_header header;
 398
 399         header.csr = readq(&fme_thermal->header);
 400         *revision = header.revision;
 401
 402         return 0;
 403 }
 404
 405 #define FME_THERMAL_CAP_NO_TMP_THRESHOLD        0x1
 406
 407 static int fme_thermal_mgmt_init(struct feature *feature)
 408 {
 409         struct feature_fme_thermal *fme_thermal;
 410         struct feature_fme_tmp_threshold_cap thermal_cap;
 411
 412         UNUSED(feature);
 413
 414         dev_info(NULL, "FME thermal mgmt Init.\n");
 415
 416         fme_thermal = (struct feature_fme_thermal *)feature->addr;
 417         thermal_cap.csr = readq(&fme_thermal->threshold_cap);
 418
 419         dev_info(NULL, "FME thermal cap %llx.\n",
 420                  (unsigned long long)fme_thermal->threshold_cap.csr);
 421
 422         if (thermal_cap.tmp_thshold_disabled)
 423                 feature->cap |= FME_THERMAL_CAP_NO_TMP_THRESHOLD;
 424
 425         return 0;
 426 }
 427
 428 static void fme_thermal_mgmt_uinit(struct feature *feature)
 429 {
 430         UNUSED(feature);
 431
 432         dev_info(NULL, "FME thermal mgmt UInit.\n");
 433 }
 434
 435 static int
 436 fme_thermal_set_prop(struct feature *feature, struct feature_prop *prop)
 437 {
 438         struct ifpga_fme_hw *fme = feature->parent;
 439
 440         if (feature->cap & FME_THERMAL_CAP_NO_TMP_THRESHOLD)
 441                 return -ENOENT;
 442
 443         switch (prop->prop_id) {
 444         case FME_THERMAL_PROP_THRESHOLD1:
 445                 return fme_thermal_set_threshold1(fme, prop->data);
 446         case FME_THERMAL_PROP_THRESHOLD2:
 447                 return fme_thermal_set_threshold2(fme, prop->data);
 448         case FME_THERMAL_PROP_THRESHOLD1_POLICY:
 449                 return fme_thermal_set_threshold1_policy(fme, prop->data);
 450         }
 451
 452         return -ENOENT;
 453 }
 454
 455 static int
 456 fme_thermal_get_prop(struct feature *feature, struct feature_prop *prop)
 457 {
 458         struct ifpga_fme_hw *fme = feature->parent;
 459
 460         if (feature->cap & FME_THERMAL_CAP_NO_TMP_THRESHOLD &&
 461             prop->prop_id != FME_THERMAL_PROP_TEMPERATURE &&
 462             prop->prop_id != FME_THERMAL_PROP_REVISION)
 463                 return -ENOENT;
 464
 465         switch (prop->prop_id) {
 466         case FME_THERMAL_PROP_THRESHOLD1:
 467                 return fme_thermal_get_threshold1(fme, &prop->data);
 468         case FME_THERMAL_PROP_THRESHOLD2:
 469                 return fme_thermal_get_threshold2(fme, &prop->data);
 470         case FME_THERMAL_PROP_THRESHOLD_TRIP:
 471                 return fme_thermal_get_threshold_trip(fme, &prop->data);
 472         case FME_THERMAL_PROP_THRESHOLD1_REACHED:
 473                 return fme_thermal_get_threshold1_reached(fme, &prop->data);
 474         case FME_THERMAL_PROP_THRESHOLD2_REACHED:
 475                 return fme_thermal_get_threshold2_reached(fme, &prop->data);
 476         case FME_THERMAL_PROP_THRESHOLD1_POLICY:
 477                 return fme_thermal_get_threshold1_policy(fme, &prop->data);
 478         case FME_THERMAL_PROP_TEMPERATURE:
 479                 return fme_thermal_get_temperature(fme, &prop->data);
 480         case FME_THERMAL_PROP_REVISION:
 481                 return fme_thermal_get_revision(fme, &prop->data);
 482         }
 483
 484         return -ENOENT;
 485 }
 486
 487 struct feature_ops fme_thermal_mgmt_ops = {
 488         .init = fme_thermal_mgmt_init,
 489         .uinit = fme_thermal_mgmt_uinit,
 490         .get_prop = fme_thermal_get_prop,
 491         .set_prop = fme_thermal_set_prop,
 492 };
 493
 494 static int fme_pwr_get_consumed(struct ifpga_fme_hw *fme, u64 *consumed)
 495 {
 496         struct feature_fme_power *fme_power
 497                 = get_fme_feature_ioaddr_by_index(fme,
 498                                 FME_FEATURE_ID_POWER_MGMT);
 499         struct feature_fme_pm_status pm_status;
 500
 501         pm_status.csr = readq(&fme_power->status);
 502
 503         *consumed = pm_status.pwr_consumed;
 504
 505         return 0;
 506 }
 507
 508 static int fme_pwr_get_threshold1(struct ifpga_fme_hw *fme, u64 *threshold)
 509 {
 510         struct feature_fme_power *fme_power
 511                 = get_fme_feature_ioaddr_by_index(fme,
 512                                 FME_FEATURE_ID_POWER_MGMT);
 513         struct feature_fme_pm_ap_threshold pm_ap_threshold;
 514
 515         pm_ap_threshold.csr = readq(&fme_power->threshold);
 516
 517         *threshold = pm_ap_threshold.threshold1;
 518
 519         return 0;
 520 }
 521
 522 static int fme_pwr_set_threshold1(struct ifpga_fme_hw *fme, u64 threshold)
 523 {
 524         struct feature_fme_power *fme_power
 525                 = get_fme_feature_ioaddr_by_index(fme,
 526                                 FME_FEATURE_ID_POWER_MGMT);
 527         struct feature_fme_pm_ap_threshold pm_ap_threshold;
 528
 529         spinlock_lock(&fme->lock);
 530         pm_ap_threshold.csr = readq(&fme_power->threshold);
 531
 532         if (threshold <= PWR_THRESHOLD_MAX) {
 533                 pm_ap_threshold.threshold1 = threshold;
 534         } else {
 535                 spinlock_unlock(&fme->lock);
 536                 return -EINVAL;
 537         }
 538
 539         writeq(pm_ap_threshold.csr, &fme_power->threshold);
 540         spinlock_unlock(&fme->lock);
 541
 542         return 0;
 543 }
 544
 545 static int fme_pwr_get_threshold2(struct ifpga_fme_hw *fme, u64 *threshold)
 546 {
 547         struct feature_fme_power *fme_power
 548                 = get_fme_feature_ioaddr_by_index(fme,
 549                                 FME_FEATURE_ID_POWER_MGMT);
 550         struct feature_fme_pm_ap_threshold pm_ap_threshold;
 551
 552         pm_ap_threshold.csr = readq(&fme_power->threshold);
 553
 554         *threshold = pm_ap_threshold.threshold2;
 555
 556         return 0;
 557 }
 558
 559 static int fme_pwr_set_threshold2(struct ifpga_fme_hw *fme, u64 threshold)
 560 {
 561         struct feature_fme_power *fme_power
 562                 = get_fme_feature_ioaddr_by_index(fme,
 563                                 FME_FEATURE_ID_POWER_MGMT);
 564         struct feature_fme_pm_ap_threshold pm_ap_threshold;
 565
 566         spinlock_lock(&fme->lock);
 567         pm_ap_threshold.csr = readq(&fme_power->threshold);
 568
 569         if (threshold <= PWR_THRESHOLD_MAX) {
 570                 pm_ap_threshold.threshold2 = threshold;
 571         } else {
 572                 spinlock_unlock(&fme->lock);
 573                 return -EINVAL;
 574         }
 575
 576         writeq(pm_ap_threshold.csr, &fme_power->threshold);
 577         spinlock_unlock(&fme->lock);
 578
 579         return 0;
 580 }
 581
 582 static int fme_pwr_get_threshold1_status(struct ifpga_fme_hw *fme,
 583                                          u64 *threshold_status)
 584 {
 585         struct feature_fme_power *fme_power
 586                 = get_fme_feature_ioaddr_by_index(fme,
 587                                 FME_FEATURE_ID_POWER_MGMT);
 588         struct feature_fme_pm_ap_threshold pm_ap_threshold;
 589
 590         pm_ap_threshold.csr = readq(&fme_power->threshold);
 591
 592         *threshold_status = pm_ap_threshold.threshold1_status;
 593
 594         return 0;
 595 }
 596
 597 static int fme_pwr_get_threshold2_status(struct ifpga_fme_hw *fme,
 598                                          u64 *threshold_status)
 599 {
 600         struct feature_fme_power *fme_power
 601                 = get_fme_feature_ioaddr_by_index(fme,
 602                                 FME_FEATURE_ID_POWER_MGMT);
 603         struct feature_fme_pm_ap_threshold pm_ap_threshold;
 604
 605         pm_ap_threshold.csr = readq(&fme_power->threshold);
 606
 607         *threshold_status = pm_ap_threshold.threshold2_status;
 608
 609         return 0;
 610 }
 611
 612 static int fme_pwr_get_rtl(struct ifpga_fme_hw *fme, u64 *rtl)
 613 {
 614         struct feature_fme_power *fme_power
 615                 = get_fme_feature_ioaddr_by_index(fme,
 616                                 FME_FEATURE_ID_POWER_MGMT);
 617         struct feature_fme_pm_status pm_status;
 618
 619         pm_status.csr = readq(&fme_power->status);
 620
 621         *rtl = pm_status.fpga_latency_report;
 622
 623         return 0;
 624 }
 625
 626 static int fme_pwr_get_xeon_limit(struct ifpga_fme_hw *fme, u64 *limit)
 627 {
 628         struct feature_fme_power *fme_power
 629                 = get_fme_feature_ioaddr_by_index(fme,
 630                                 FME_FEATURE_ID_POWER_MGMT);
 631         struct feature_fme_pm_xeon_limit xeon_limit;
 632
 633         xeon_limit.csr = readq(&fme_power->xeon_limit);
 634
 635         if (!xeon_limit.enable)
 636                 xeon_limit.pwr_limit = 0;
 637
 638         *limit = xeon_limit.pwr_limit;
 639
 640         return 0;
 641 }
 642
 643 static int fme_pwr_get_fpga_limit(struct ifpga_fme_hw *fme, u64 *limit)
 644 {
 645         struct feature_fme_power *fme_power
 646                 = get_fme_feature_ioaddr_by_index(fme,
 647                                 FME_FEATURE_ID_POWER_MGMT);
 648         struct feature_fme_pm_fpga_limit fpga_limit;
 649
 650         fpga_limit.csr = readq(&fme_power->fpga_limit);
 651
 652         if (!fpga_limit.enable)
 653                 fpga_limit.pwr_limit = 0;
 654
 655         *limit = fpga_limit.pwr_limit;
 656
 657         return 0;
 658 }
 659
 660 static int fme_pwr_get_revision(struct ifpga_fme_hw *fme, u64 *revision)
 661 {
 662         struct feature_fme_power *fme_power
 663                 = get_fme_feature_ioaddr_by_index(fme,
 664                                                   FME_FEATURE_ID_POWER_MGMT);
 665         struct feature_header header;
 666
 667         header.csr = readq(&fme_power->header);
 668         *revision = header.revision;
 669
 670         return 0;
 671 }
 672
 673 static int fme_power_mgmt_init(struct feature *feature)
 674 {
 675         UNUSED(feature);
 676
 677         dev_info(NULL, "FME power mgmt Init.\n");
 678
 679         return 0;
 680 }
 681
 682 static void fme_power_mgmt_uinit(struct feature *feature)
 683 {
 684         UNUSED(feature);
 685
 686         dev_info(NULL, "FME power mgmt UInit.\n");
 687 }
 688
 689 static int fme_power_mgmt_get_prop(struct feature *feature,
 690                                    struct feature_prop *prop)
 691 {
 692         struct ifpga_fme_hw *fme = feature->parent;
 693
 694         switch (prop->prop_id) {
 695         case FME_PWR_PROP_CONSUMED:
 696                 return fme_pwr_get_consumed(fme, &prop->data);
 697         case FME_PWR_PROP_THRESHOLD1:
 698                 return fme_pwr_get_threshold1(fme, &prop->data);
 699         case FME_PWR_PROP_THRESHOLD2:
 700                 return fme_pwr_get_threshold2(fme, &prop->data);
 701         case FME_PWR_PROP_THRESHOLD1_STATUS:
 702                 return fme_pwr_get_threshold1_status(fme, &prop->data);
 703         case FME_PWR_PROP_THRESHOLD2_STATUS:
 704                 return fme_pwr_get_threshold2_status(fme, &prop->data);
 705         case FME_PWR_PROP_RTL:
 706                 return fme_pwr_get_rtl(fme, &prop->data);
 707         case FME_PWR_PROP_XEON_LIMIT:
 708                 return fme_pwr_get_xeon_limit(fme, &prop->data);
 709         case FME_PWR_PROP_FPGA_LIMIT:
 710                 return fme_pwr_get_fpga_limit(fme, &prop->data);
 711         case FME_PWR_PROP_REVISION:
 712                 return fme_pwr_get_revision(fme, &prop->data);
 713         }
 714
 715         return -ENOENT;
 716 }
 717
 718 static int fme_power_mgmt_set_prop(struct feature *feature,
 719                                    struct feature_prop *prop)
 720 {
 721         struct ifpga_fme_hw *fme = feature->parent;
 722
 723         switch (prop->prop_id) {
 724         case FME_PWR_PROP_THRESHOLD1:
 725                 return fme_pwr_set_threshold1(fme, prop->data);
 726         case FME_PWR_PROP_THRESHOLD2:
 727                 return fme_pwr_set_threshold2(fme, prop->data);
 728         }
 729
 730         return -ENOENT;
 731 }
 732
 733 struct feature_ops fme_power_mgmt_ops = {
 734         .init = fme_power_mgmt_init,
 735         .uinit = fme_power_mgmt_uinit,
 736         .get_prop = fme_power_mgmt_get_prop,
 737         .set_prop = fme_power_mgmt_set_prop,
 738 };
 739
 740 static int fme_hssi_eth_init(struct feature *feature)
 741 {
 742         UNUSED(feature);
 743         return 0;
 744 }
 745
 746 static void fme_hssi_eth_uinit(struct feature *feature)
 747 {
 748         UNUSED(feature);
 749 }
 750
 751 struct feature_ops fme_hssi_eth_ops = {
 752         .init = fme_hssi_eth_init,
 753         .uinit = fme_hssi_eth_uinit,
 754 };
 755
 756 static int fme_emif_init(struct feature *feature)
 757 {
 758         UNUSED(feature);
 759         return 0;
 760 }
 761
 762 static void fme_emif_uinit(struct feature *feature)
 763 {
 764         UNUSED(feature);
 765 }
 766
 767 struct feature_ops fme_emif_ops = {
 768         .init = fme_emif_init,
 769         .uinit = fme_emif_uinit,
 770 };
 771
 772 static int spi_self_checking(void)
 773 {
 774         u32 val;
 775         int ret;
 776
 777         ret = max10_reg_read(0x30043c, &val);
 778         if (ret)
 779                 return -EIO;
 780
 781         if (val != 0x87654321) {
 782                 dev_err(NULL, "Read MAX10 test register fail: 0x%x\n", val);
 783                 return -EIO;
 784         }
 785
 786         dev_info(NULL, "Read MAX10 test register success, SPI self-test done\n");
 787
 788         return 0;
 789 }
 790
 791 static int fme_spi_init(struct feature *feature)
 792 {
 793         struct ifpga_fme_hw *fme = (struct ifpga_fme_hw *)feature->parent;
 794         struct altera_spi_device *spi_master;
 795         struct intel_max10_device *max10;
 796         int ret = 0;
 797
 798         dev_info(fme, "FME SPI Master (Max10) Init.\n");
 799         dev_debug(fme, "FME SPI base addr %p.\n",
 800                         feature->addr);
 801         dev_debug(fme, "spi param=0x%llx\n",
 802                         (unsigned long long)opae_readq(feature->addr + 0x8));
 803
 804         spi_master = altera_spi_alloc(feature->addr, TYPE_SPI);
 805         if (!spi_master)
 806                 return -ENODEV;
 807
 808         altera_spi_init(spi_master);
 809
 810         max10 = intel_max10_device_probe(spi_master, 0);
 811         if (!max10) {
 812                 ret = -ENODEV;
 813                 dev_err(fme, "max10 init fail\n");
 814                 goto spi_fail;
 815         }
 816
 817         fme->max10_dev = max10;
 818
 819         /* SPI self test */
 820         if (spi_self_checking()) {
 821                 ret = -EIO;
 822                 goto max10_fail;
 823         }
 824
 825         return ret;
 826
 827 max10_fail:
 828         intel_max10_device_remove(fme->max10_dev);
 829 spi_fail:
 830         altera_spi_release(spi_master);
 831         return ret;
 832 }
 833
 834 static void fme_spi_uinit(struct feature *feature)
 835 {
 836         struct ifpga_fme_hw *fme = (struct ifpga_fme_hw *)feature->parent;
 837
 838         if (fme->max10_dev)
 839                 intel_max10_device_remove(fme->max10_dev);
 840 }
 841
 842 struct feature_ops fme_spi_master_ops = {
 843         .init = fme_spi_init,
 844         .uinit = fme_spi_uinit,
 845 };
 846
 847 static int nios_spi_wait_init_done(struct altera_spi_device *dev)
 848 {
 849         u32 val = 0;
 850         unsigned long timeout = msecs_to_timer_cycles(10000);
 851         unsigned long ticks;
 852
 853         do {
 854                 if (spi_reg_read(dev, NIOS_SPI_INIT_DONE, &val))
 855                         return -EIO;
 856                 if (val)
 857                         break;
 858
 859                 ticks = rte_get_timer_cycles();
 860                 if (time_after(ticks, timeout))
 861                         return -ETIMEDOUT;
 862                 msleep(100);
 863         } while (!val);
 864
 865         return 0;
 866 }
 867
 868 static int nios_spi_check_error(struct altera_spi_device *dev)
 869 {
 870         u32 value = 0;
 871
 872         if (spi_reg_read(dev, NIOS_SPI_INIT_STS0, &value))
 873                 return -EIO;
 874
 875         dev_debug(dev, "SPI init status0 0x%x\n", value);
 876
 877         /* Error code: 0xFFF0 to 0xFFFC */
 878         if (value >= 0xFFF0 && value <= 0xFFFC)
 879                 return -EINVAL;
 880
 881         value = 0;
 882         if (spi_reg_read(dev, NIOS_SPI_INIT_STS1, &value))
 883                 return -EIO;
 884
 885         dev_debug(dev, "SPI init status1 0x%x\n", value);
 886
 887         /* Error code: 0xFFF0 to 0xFFFC */
 888         if (value >= 0xFFF0 && value <= 0xFFFC)
 889                 return -EINVAL;
 890
 891         return 0;
 892 }
 893
 894 static int fme_nios_spi_init(struct feature *feature)
 895 {
 896         struct ifpga_fme_hw *fme = (struct ifpga_fme_hw *)feature->parent;
 897         struct altera_spi_device *spi_master;
 898         struct intel_max10_device *max10;
 899         int ret = 0;
 900
 901         dev_info(fme, "FME SPI Master (NIOS) Init.\n");
 902         dev_debug(fme, "FME SPI base addr %p.\n",
 903                         feature->addr);
 904         dev_debug(fme, "spi param=0x%llx\n",
 905                         (unsigned long long)opae_readq(feature->addr + 0x8));
 906
 907         spi_master = altera_spi_alloc(feature->addr, TYPE_NIOS_SPI);
 908         if (!spi_master)
 909                 return -ENODEV;
 910
 911         /**
 912          * 1. wait A10 NIOS initial finished and
 913          * release the SPI master to Host
 914          */
 915         ret = nios_spi_wait_init_done(spi_master);
 916         if (ret != 0) {
 917                 dev_err(fme, "FME NIOS_SPI init fail\n");
 918                 goto release_dev;
 919         }
 920
 921         dev_info(fme, "FME NIOS_SPI initial done\n");
 922
 923         /* 2. check if error occur? */
 924         if (nios_spi_check_error(spi_master))
 925                 dev_info(fme, "NIOS_SPI INIT done, but found some error\n");
 926
 927         /* 3. init the spi master*/
 928         altera_spi_init(spi_master);
 929
 930         /* init the max10 device */
 931         max10 = intel_max10_device_probe(spi_master, 0);
 932         if (!max10) {
 933                 ret = -ENODEV;
 934                 dev_err(fme, "max10 init fail\n");
 935                 goto release_dev;
 936         }
 937
 938         fme->max10_dev = max10;
 939
 940         /* SPI self test */
 941         if (spi_self_checking())
 942                 goto spi_fail;
 943
 944         return ret;
 945
 946 spi_fail:
 947         intel_max10_device_remove(fme->max10_dev);
 948 release_dev:
 949         altera_spi_release(spi_master);
 950         return -ENODEV;
 951 }
 952
 953 static void fme_nios_spi_uinit(struct feature *feature)
 954 {
 955         struct ifpga_fme_hw *fme = (struct ifpga_fme_hw *)feature->parent;
 956
 957         if (fme->max10_dev)
 958                 intel_max10_device_remove(fme->max10_dev);
 959 }
 960
 961 struct feature_ops fme_nios_spi_master_ops = {
 962         .init = fme_nios_spi_init,
 963         .uinit = fme_nios_spi_uinit,
 964 };
 965
 966 static int i2c_mac_rom_test(struct altera_i2c_dev *dev)
 967 {
 968         char buf[20];
 969         int ret;
 970         char read_buf[20] = {0,};
 971         const char *string = "1a2b3c4d5e";
 972
 973         opae_memcpy(buf, string, strlen(string));
 974
 975         ret = at24_eeprom_write(dev, AT24512_SLAVE_ADDR, 0,
 976                         (u8 *)buf, strlen(string));
 977         if (ret < 0) {
 978                 dev_err(NULL, "write i2c error:%d\n", ret);
 979                 return ret;
 980         }
 981
 982         ret = at24_eeprom_read(dev, AT24512_SLAVE_ADDR, 0,
 983                         (u8 *)read_buf, strlen(string));
 984         if (ret < 0) {
 985                 dev_err(NULL, "read i2c error:%d\n", ret);
 986                 return ret;
 987         }
 988
 989         if (memcmp(buf, read_buf, strlen(string))) {
 990                 dev_err(NULL, "%s test fail!\n", __func__);
 991                 return -EFAULT;
 992         }
 993
 994         dev_info(NULL, "%s test successful\n", __func__);
 995
 996         return 0;
 997 }
 998
 999 static int fme_i2c_init(struct feature *feature)
1000 {
1001         struct feature_fme_i2c *i2c;
1002         struct ifpga_fme_hw *fme = (struct ifpga_fme_hw *)feature->parent;
1003
1004         i2c = (struct feature_fme_i2c *)feature->addr;
1005
1006         dev_info(NULL, "FME I2C Master Init.\n");
1007
1008         fme->i2c_master = altera_i2c_probe(i2c);
1009         if (!fme->i2c_master)
1010                 return -ENODEV;
1011
1012         /* MAC ROM self test */
1013         i2c_mac_rom_test(fme->i2c_master);
1014
1015         return 0;
1016 }
1017
1018 static void fme_i2c_uninit(struct feature *feature)
1019 {
1020         struct ifpga_fme_hw *fme = (struct ifpga_fme_hw *)feature->parent;
1021
1022         altera_i2c_remove(fme->i2c_master);
1023 }
1024
1025 struct feature_ops fme_i2c_master_ops = {
1026         .init = fme_i2c_init,
1027         .uinit = fme_i2c_uninit,
1028 };
1029
1030 int fme_mgr_read_mac_rom(struct ifpga_fme_hw *fme, int offset,
1031                 void *buf, int size)
1032 {
1033         struct altera_i2c_dev *dev;
1034
1035         dev = fme->i2c_master;
1036         if (!dev)
1037                 return -ENODEV;
1038
1039         return at24_eeprom_read(dev, AT24512_SLAVE_ADDR, offset, buf, size);
1040 }
1041
1042 int fme_mgr_write_mac_rom(struct ifpga_fme_hw *fme, int offset,
1043                 void *buf, int size)
1044 {
1045         struct altera_i2c_dev *dev;
1046
1047         dev = fme->i2c_master;
1048         if (!dev)
1049                 return -ENODEV;
1050
1051         return at24_eeprom_write(dev, AT24512_SLAVE_ADDR, offset, buf, size);
1052 }