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 ifpga_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 ifpga_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 ifpga_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 ifpga_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 ifpga_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 ifpga_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 ifpga_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 ifpga_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 ifpga_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 ifpga_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 ifpga_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 ifpga_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 ifpga_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 ifpga_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 ifpga_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 ifpga_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 ifpga_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 ifpga_feature *feature)
 741 {
 742         UNUSED(feature);
 743         return 0;
 744 }
 745
 746 static void fme_hssi_eth_uinit(struct ifpga_feature *feature)
 747 {
 748         UNUSED(feature);
 749 }
 750
 751 struct ifpga_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 ifpga_feature *feature)
 757 {
 758         UNUSED(feature);
 759         return 0;
 760 }
 761
 762 static void fme_emif_uinit(struct ifpga_feature *feature)
 763 {
 764         UNUSED(feature);
 765 }
 766
 767 struct ifpga_feature_ops fme_emif_ops = {
 768         .init = fme_emif_init,
 769         .uinit = fme_emif_uinit,
 770 };
 771
 772 static const char *board_type_to_string(u32 type)
 773 {
 774         switch (type) {
 775         case VC_8_10G:
 776                 return "VC_8x10G";
 777         case VC_4_25G:
 778                 return "VC_4x25G";
 779         case VC_2_1_25:
 780                 return "VC_2x1x25G";
 781         case VC_4_25G_2_25G:
 782                 return "VC_4x25G+2x25G";
 783         case VC_2_2_25G:
 784                 return "VC_2x2x25G";
 785         }
 786
 787         return "unknown";
 788 }
 789
 790 static int board_type_to_info(u32 type,
 791                 struct ifpga_fme_board_info *info)
 792 {
 793         switch (type) {
 794         case VC_8_10G:
 795                 info->nums_of_retimer = 2;
 796                 info->ports_per_retimer = 4;
 797                 info->nums_of_fvl = 2;
 798                 info->ports_per_fvl = 4;
 799                 break;
 800         case VC_4_25G:
 801                 info->nums_of_retimer = 1;
 802                 info->ports_per_retimer = 4;
 803                 info->nums_of_fvl = 2;
 804                 info->ports_per_fvl = 2;
 805                 break;
 806         case VC_2_1_25:
 807                 info->nums_of_retimer = 2;
 808                 info->ports_per_retimer = 1;
 809                 info->nums_of_fvl = 1;
 810                 info->ports_per_fvl = 2;
 811                 break;
 812         case VC_2_2_25G:
 813                 info->nums_of_retimer = 2;
 814                 info->ports_per_retimer = 2;
 815                 info->nums_of_fvl = 2;
 816                 info->ports_per_fvl = 2;
 817                 break;
 818         default:
 819                 return -EINVAL;
 820         }
 821
 822         return 0;
 823 }
 824
 825 static int fme_get_board_interface(struct ifpga_fme_hw *fme)
 826 {
 827         struct fme_bitstream_id id;
 828
 829         if (fme_hdr_get_bitstream_id(fme, &id.id))
 830                 return -EINVAL;
 831
 832         fme->board_info.type = id.interface;
 833         fme->board_info.build_hash = id.hash;
 834         fme->board_info.debug_version = id.debug;
 835         fme->board_info.major_version = id.major;
 836         fme->board_info.minor_version = id.minor;
 837
 838         dev_info(fme, "board type: %s major_version:%u minor_version:%u build_hash:%u\n",
 839                         board_type_to_string(fme->board_info.type),
 840                         fme->board_info.major_version,
 841                         fme->board_info.minor_version,
 842                         fme->board_info.build_hash);
 843
 844         if (board_type_to_info(fme->board_info.type, &fme->board_info))
 845                 return -EINVAL;
 846
 847         dev_info(fme, "get board info: nums_retimers %d ports_per_retimer %d nums_fvl %d ports_per_fvl %d\n",
 848                         fme->board_info.nums_of_retimer,
 849                         fme->board_info.ports_per_retimer,
 850                         fme->board_info.nums_of_fvl,
 851                         fme->board_info.ports_per_fvl);
 852
 853         return 0;
 854 }
 855
 856 static int spi_self_checking(void)
 857 {
 858         u32 val;
 859         int ret;
 860
 861         ret = max10_reg_read(0x30043c, &val);
 862         if (ret)
 863                 return -EIO;
 864
 865         if (val != 0x87654321) {
 866                 dev_err(NULL, "Read MAX10 test register fail: 0x%x\n", val);
 867                 return -EIO;
 868         }
 869
 870         dev_info(NULL, "Read MAX10 test register success, SPI self-test done\n");
 871
 872         return 0;
 873 }
 874
 875 static int fme_spi_init(struct ifpga_feature *feature)
 876 {
 877         struct ifpga_fme_hw *fme = (struct ifpga_fme_hw *)feature->parent;
 878         struct altera_spi_device *spi_master;
 879         struct intel_max10_device *max10;
 880         int ret = 0;
 881
 882         dev_info(fme, "FME SPI Master (Max10) Init.\n");
 883         dev_debug(fme, "FME SPI base addr %p.\n",
 884                         feature->addr);
 885         dev_debug(fme, "spi param=0x%llx\n",
 886                         (unsigned long long)opae_readq(feature->addr + 0x8));
 887
 888         spi_master = altera_spi_alloc(feature->addr, TYPE_SPI);
 889         if (!spi_master)
 890                 return -ENODEV;
 891
 892         altera_spi_init(spi_master);
 893
 894         max10 = intel_max10_device_probe(spi_master, 0);
 895         if (!max10) {
 896                 ret = -ENODEV;
 897                 dev_err(fme, "max10 init fail\n");
 898                 goto spi_fail;
 899         }
 900
 901         fme->max10_dev = max10;
 902
 903         /* SPI self test */
 904         if (spi_self_checking()) {
 905                 ret = -EIO;
 906                 goto max10_fail;
 907         }
 908
 909         return ret;
 910
 911 max10_fail:
 912         intel_max10_device_remove(fme->max10_dev);
 913 spi_fail:
 914         altera_spi_release(spi_master);
 915         return ret;
 916 }
 917
 918 static void fme_spi_uinit(struct ifpga_feature *feature)
 919 {
 920         struct ifpga_fme_hw *fme = (struct ifpga_fme_hw *)feature->parent;
 921
 922         if (fme->max10_dev)
 923                 intel_max10_device_remove(fme->max10_dev);
 924 }
 925
 926 struct ifpga_feature_ops fme_spi_master_ops = {
 927         .init = fme_spi_init,
 928         .uinit = fme_spi_uinit,
 929 };
 930
 931 static int nios_spi_wait_init_done(struct altera_spi_device *dev)
 932 {
 933         u32 val = 0;
 934         unsigned long timeout = msecs_to_timer_cycles(10000);
 935         unsigned long ticks;
 936
 937         do {
 938                 if (spi_reg_read(dev, NIOS_SPI_INIT_DONE, &val))
 939                         return -EIO;
 940                 if (val)
 941                         break;
 942
 943                 ticks = rte_get_timer_cycles();
 944                 if (time_after(ticks, timeout))
 945                         return -ETIMEDOUT;
 946                 msleep(100);
 947         } while (!val);
 948
 949         return 0;
 950 }
 951
 952 static int nios_spi_check_error(struct altera_spi_device *dev)
 953 {
 954         u32 value = 0;
 955
 956         if (spi_reg_read(dev, NIOS_SPI_INIT_STS0, &value))
 957                 return -EIO;
 958
 959         dev_debug(dev, "SPI init status0 0x%x\n", value);
 960
 961         /* Error code: 0xFFF0 to 0xFFFC */
 962         if (value >= 0xFFF0 && value <= 0xFFFC)
 963                 return -EINVAL;
 964
 965         value = 0;
 966         if (spi_reg_read(dev, NIOS_SPI_INIT_STS1, &value))
 967                 return -EIO;
 968
 969         dev_debug(dev, "SPI init status1 0x%x\n", value);
 970
 971         /* Error code: 0xFFF0 to 0xFFFC */
 972         if (value >= 0xFFF0 && value <= 0xFFFC)
 973                 return -EINVAL;
 974
 975         return 0;
 976 }
 977
 978 static int fme_nios_spi_init(struct ifpga_feature *feature)
 979 {
 980         struct ifpga_fme_hw *fme = (struct ifpga_fme_hw *)feature->parent;
 981         struct altera_spi_device *spi_master;
 982         struct intel_max10_device *max10;
 983         int ret = 0;
 984
 985         dev_info(fme, "FME SPI Master (NIOS) Init.\n");
 986         dev_debug(fme, "FME SPI base addr %p.\n",
 987                         feature->addr);
 988         dev_debug(fme, "spi param=0x%llx\n",
 989                         (unsigned long long)opae_readq(feature->addr + 0x8));
 990
 991         spi_master = altera_spi_alloc(feature->addr, TYPE_NIOS_SPI);
 992         if (!spi_master)
 993                 return -ENODEV;
 994
 995         /**
 996          * 1. wait A10 NIOS initial finished and
 997          * release the SPI master to Host
 998          */
 999         ret = nios_spi_wait_init_done(spi_master);
1000         if (ret != 0) {
1001                 dev_err(fme, "FME NIOS_SPI init fail\n");
1002                 goto release_dev;
1003         }
1004
1005         dev_info(fme, "FME NIOS_SPI initial done\n");
1006
1007         /* 2. check if error occur? */
1008         if (nios_spi_check_error(spi_master))
1009                 dev_info(fme, "NIOS_SPI INIT done, but found some error\n");
1010
1011         /* 3. init the spi master*/
1012         altera_spi_init(spi_master);
1013
1014         /* init the max10 device */
1015         max10 = intel_max10_device_probe(spi_master, 0);
1016         if (!max10) {
1017                 ret = -ENODEV;
1018                 dev_err(fme, "max10 init fail\n");
1019                 goto release_dev;
1020         }
1021
1022         fme_get_board_interface(fme);
1023
1024         fme->max10_dev = max10;
1025
1026         /* SPI self test */
1027         if (spi_self_checking())
1028                 goto spi_fail;
1029
1030         return ret;
1031
1032 spi_fail:
1033         intel_max10_device_remove(fme->max10_dev);
1034 release_dev:
1035         altera_spi_release(spi_master);
1036         return -ENODEV;
1037 }
1038
1039 static void fme_nios_spi_uinit(struct ifpga_feature *feature)
1040 {
1041         struct ifpga_fme_hw *fme = (struct ifpga_fme_hw *)feature->parent;
1042
1043         if (fme->max10_dev)
1044                 intel_max10_device_remove(fme->max10_dev);
1045 }
1046
1047 struct ifpga_feature_ops fme_nios_spi_master_ops = {
1048         .init = fme_nios_spi_init,
1049         .uinit = fme_nios_spi_uinit,
1050 };
1051
1052 static int i2c_mac_rom_test(struct altera_i2c_dev *dev)
1053 {
1054         char buf[20];
1055         int ret;
1056         char read_buf[20] = {0,};
1057         const char *string = "1a2b3c4d5e";
1058
1059         opae_memcpy(buf, string, strlen(string));
1060
1061         ret = at24_eeprom_write(dev, AT24512_SLAVE_ADDR, 0,
1062                         (u8 *)buf, strlen(string));
1063         if (ret < 0) {
1064                 dev_err(NULL, "write i2c error:%d\n", ret);
1065                 return ret;
1066         }
1067
1068         ret = at24_eeprom_read(dev, AT24512_SLAVE_ADDR, 0,
1069                         (u8 *)read_buf, strlen(string));
1070         if (ret < 0) {
1071                 dev_err(NULL, "read i2c error:%d\n", ret);
1072                 return ret;
1073         }
1074
1075         if (memcmp(buf, read_buf, strlen(string))) {
1076                 dev_err(NULL, "%s test fail!\n", __func__);
1077                 return -EFAULT;
1078         }
1079
1080         dev_info(NULL, "%s test successful\n", __func__);
1081
1082         return 0;
1083 }
1084
1085 static int fme_i2c_init(struct ifpga_feature *feature)
1086 {
1087         struct feature_fme_i2c *i2c;
1088         struct ifpga_fme_hw *fme = (struct ifpga_fme_hw *)feature->parent;
1089
1090         i2c = (struct feature_fme_i2c *)feature->addr;
1091
1092         dev_info(NULL, "FME I2C Master Init.\n");
1093
1094         fme->i2c_master = altera_i2c_probe(i2c);
1095         if (!fme->i2c_master)
1096                 return -ENODEV;
1097
1098         /* MAC ROM self test */
1099         i2c_mac_rom_test(fme->i2c_master);
1100
1101         return 0;
1102 }
1103
1104 static void fme_i2c_uninit(struct ifpga_feature *feature)
1105 {
1106         struct ifpga_fme_hw *fme = (struct ifpga_fme_hw *)feature->parent;
1107
1108         altera_i2c_remove(fme->i2c_master);
1109 }
1110
1111 struct ifpga_feature_ops fme_i2c_master_ops = {
1112         .init = fme_i2c_init,
1113         .uinit = fme_i2c_uninit,
1114 };
1115
1116 static int fme_eth_group_init(struct ifpga_feature *feature)
1117 {
1118         struct ifpga_fme_hw *fme = (struct ifpga_fme_hw *)feature->parent;
1119         struct eth_group_device *dev;
1120
1121         dev = (struct eth_group_device *)eth_group_probe(feature->addr);
1122         if (!dev)
1123                 return -ENODEV;
1124
1125         fme->eth_dev[dev->group_id] = dev;
1126
1127         fme->eth_group_region[dev->group_id].addr =
1128                 feature->addr;
1129         fme->eth_group_region[dev->group_id].phys_addr =
1130                 feature->phys_addr;
1131         fme->eth_group_region[dev->group_id].len =
1132                 feature->size;
1133
1134         fme->nums_eth_dev++;
1135
1136         dev_info(NULL, "FME PHY Group %d Init.\n", dev->group_id);
1137         dev_info(NULL, "found %d eth group, addr %p phys_addr 0x%llx len %u\n",
1138                         dev->group_id, feature->addr,
1139                         (unsigned long long)feature->phys_addr,
1140                         feature->size);
1141
1142         return 0;
1143 }
1144
1145 static void fme_eth_group_uinit(struct ifpga_feature *feature)
1146 {
1147         UNUSED(feature);
1148 }
1149
1150 struct ifpga_feature_ops fme_eth_group_ops = {
1151         .init = fme_eth_group_init,
1152         .uinit = fme_eth_group_uinit,
1153 };
1154
1155 int fme_mgr_read_mac_rom(struct ifpga_fme_hw *fme, int offset,
1156                 void *buf, int size)
1157 {
1158         struct altera_i2c_dev *dev;
1159
1160         dev = fme->i2c_master;
1161         if (!dev)
1162                 return -ENODEV;
1163
1164         return at24_eeprom_read(dev, AT24512_SLAVE_ADDR, offset, buf, size);
1165 }
1166
1167 int fme_mgr_write_mac_rom(struct ifpga_fme_hw *fme, int offset,
1168                 void *buf, int size)
1169 {
1170         struct altera_i2c_dev *dev;
1171
1172         dev = fme->i2c_master;
1173         if (!dev)
1174                 return -ENODEV;
1175
1176         return at24_eeprom_write(dev, AT24512_SLAVE_ADDR, offset, buf, size);
1177 }
1178
1179 static struct eth_group_device *get_eth_group_dev(struct ifpga_fme_hw *fme,
1180                 u8 group_id)
1181 {
1182         struct eth_group_device *dev;
1183
1184         if (group_id > (MAX_ETH_GROUP_DEVICES - 1))
1185                 return NULL;
1186
1187         dev = (struct eth_group_device *)fme->eth_dev[group_id];
1188         if (!dev)
1189                 return NULL;
1190
1191         if (dev->status != ETH_GROUP_DEV_ATTACHED)
1192                 return NULL;
1193
1194         return dev;
1195 }
1196
1197 int fme_mgr_get_eth_group_nums(struct ifpga_fme_hw *fme)
1198 {
1199         return fme->nums_eth_dev;
1200 }
1201
1202 int fme_mgr_get_eth_group_info(struct ifpga_fme_hw *fme,
1203                 u8 group_id, struct opae_eth_group_info *info)
1204 {
1205         struct eth_group_device *dev;
1206
1207         dev = get_eth_group_dev(fme, group_id);
1208         if (!dev)
1209                 return -ENODEV;
1210
1211         info->group_id = group_id;
1212         info->speed = dev->speed;
1213         info->nums_of_mac = dev->mac_num;
1214         info->nums_of_phy = dev->phy_num;
1215
1216         return 0;
1217 }
1218
1219 int fme_mgr_eth_group_read_reg(struct ifpga_fme_hw *fme, u8 group_id,
1220                 u8 type, u8 index, u16 addr, u32 *data)
1221 {
1222         struct eth_group_device *dev;
1223
1224         dev = get_eth_group_dev(fme, group_id);
1225         if (!dev)
1226                 return -ENODEV;
1227
1228         return eth_group_read_reg(dev, type, index, addr, data);
1229 }
1230
1231 int fme_mgr_eth_group_write_reg(struct ifpga_fme_hw *fme, u8 group_id,
1232                 u8 type, u8 index, u16 addr, u32 data)
1233 {
1234         struct eth_group_device *dev;
1235
1236         dev = get_eth_group_dev(fme, group_id);
1237         if (!dev)
1238                 return -ENODEV;
1239
1240         return eth_group_write_reg(dev, type, index, addr, data);
1241 }
1242
1243 static int fme_get_eth_group_speed(struct ifpga_fme_hw *fme,
1244                 u8 group_id)
1245 {
1246         struct eth_group_device *dev;
1247
1248         dev = get_eth_group_dev(fme, group_id);
1249         if (!dev)
1250                 return -ENODEV;
1251
1252         return dev->speed;
1253 }
1254
1255 int fme_mgr_get_retimer_info(struct ifpga_fme_hw *fme,
1256                 struct opae_retimer_info *info)
1257 {
1258         struct intel_max10_device *dev;
1259
1260         dev = (struct intel_max10_device *)fme->max10_dev;
1261         if (!dev)
1262                 return -ENODEV;
1263
1264         info->nums_retimer = fme->board_info.nums_of_retimer;
1265         info->ports_per_retimer = fme->board_info.ports_per_retimer;
1266         info->nums_fvl = fme->board_info.nums_of_fvl;
1267         info->ports_per_fvl = fme->board_info.ports_per_fvl;
1268
1269         /* The speed of PKVL is identical the eth group's speed */
1270         info->support_speed = fme_get_eth_group_speed(fme,
1271                         LINE_SIDE_GROUP_ID);
1272
1273         return 0;
1274 }
1275
1276 int fme_mgr_get_retimer_status(struct ifpga_fme_hw *fme,
1277                 struct opae_retimer_status *status)
1278 {
1279         struct intel_max10_device *dev;
1280         unsigned int val;
1281
1282         dev = (struct intel_max10_device *)fme->max10_dev;
1283         if (!dev)
1284                 return -ENODEV;
1285
1286         if (max10_reg_read(PKVL_LINK_STATUS, &val)) {
1287                 dev_err(dev, "%s: read pkvl status fail\n", __func__);
1288                 return -EINVAL;
1289         }
1290
1291         /* The speed of PKVL is identical the eth group's speed */
1292         status->speed = fme_get_eth_group_speed(fme,
1293                         LINE_SIDE_GROUP_ID);
1294
1295         status->line_link_bitmap = val;
1296
1297         dev_debug(dev, "get retimer status: speed:%d. line_link_bitmap:0x%x\n",
1298                         status->speed,
1299                         status->line_link_bitmap);
1300
1301         return 0;
1302 }