1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2013 Red Hat 4 * Author: Rob Clark <robdclark@gmail.com> 5 * 6 * Copyright (c) 2014,2017, 2019 The Linux Foundation. All rights reserved. 7 */ 8 9 #ifndef __ADRENO_GPU_H__ 10 #define __ADRENO_GPU_H__ 11 12 #include <linux/firmware.h> 13 #include <linux/iopoll.h> 14 15 #include <linux/soc/qcom/ubwc.h> 16 17 #include "msm_gpu.h" 18 19 #include "adreno_common.xml.h" 20 #include "adreno_pm4.xml.h" 21 22 extern bool snapshot_debugbus; 23 24 enum { 25 ADRENO_FW_PM4 = 0, 26 ADRENO_FW_SQE = 0, /* a6xx */ 27 ADRENO_FW_PFP = 1, 28 ADRENO_FW_GMU = 1, /* a6xx */ 29 ADRENO_FW_GPMU = 2, 30 ADRENO_FW_AQE = 3, 31 ADRENO_FW_MAX, 32 }; 33 34 /** 35 * @enum adreno_family: identify generation and possibly sub-generation 36 * 37 * In some cases there are distinct sub-generations within a major revision 38 * so it helps to be able to group the GPU devices by generation and if 39 * necessary sub-generation. 40 */ 41 enum adreno_family { 42 ADRENO_2XX_GEN1, /* a20x */ 43 ADRENO_2XX_GEN2, /* a22x */ 44 ADRENO_3XX, 45 ADRENO_4XX, 46 ADRENO_5XX, 47 ADRENO_6XX_GEN1, /* a630 family */ 48 ADRENO_6XX_GEN2, /* a640 family */ 49 ADRENO_6XX_GEN3, /* a650 family */ 50 ADRENO_6XX_GEN4, /* a660 family */ 51 ADRENO_7XX_GEN1, /* a730 family */ 52 ADRENO_7XX_GEN2, /* a740 family */ 53 ADRENO_7XX_GEN3, /* a750 family */ 54 ADRENO_8XX_GEN1, /* a830 family */ 55 ADRENO_8XX_GEN2, /* a840 family */ 56 }; 57 58 #define ADRENO_QUIRK_TWO_PASS_USE_WFI BIT(0) 59 #define ADRENO_QUIRK_FAULT_DETECT_MASK BIT(1) 60 #define ADRENO_QUIRK_LMLOADKILL_DISABLE BIT(2) 61 #define ADRENO_QUIRK_HAS_HW_APRIV BIT(3) 62 #define ADRENO_QUIRK_HAS_CACHED_COHERENT BIT(4) 63 #define ADRENO_QUIRK_PREEMPTION BIT(5) 64 #define ADRENO_QUIRK_4GB_VA BIT(6) 65 #define ADRENO_QUIRK_IFPC BIT(7) 66 67 /* Helper for formating the chip_id in the way that userspace tools like 68 * crashdec expect. 69 */ 70 #define ADRENO_CHIPID_FMT "u.%u.%u.%u" 71 #define ADRENO_CHIPID_ARGS(_c) \ 72 (((_c) >> 24) & 0xff), \ 73 (((_c) >> 16) & 0xff), \ 74 (((_c) >> 8) & 0xff), \ 75 ((_c) & 0xff) 76 77 struct adreno_gpu; 78 79 struct adreno_gpu_funcs { 80 struct msm_gpu_funcs base; 81 struct msm_gpu *(*init)(struct drm_device *dev); 82 int (*get_timestamp)(struct msm_gpu *gpu, uint64_t *value); 83 void (*bus_halt)(struct adreno_gpu *adreno_gpu, bool gx_off); 84 int (*mmu_fault_handler)(void *arg, unsigned long iova, int flags, void *data); 85 }; 86 87 struct adreno_reglist { 88 u32 offset; 89 u32 value; 90 }; 91 92 /* Reglist with pipe information */ 93 struct adreno_reglist_pipe { 94 u32 offset; 95 u32 value; 96 u32 pipe; 97 }; 98 99 struct adreno_speedbin { 100 uint16_t fuse; 101 uint16_t speedbin; 102 }; 103 104 struct a6xx_info; 105 106 struct adreno_info { 107 const char *machine; 108 /** 109 * @chipids: Table of matching chip-ids 110 * 111 * Terminated with 0 sentinal 112 */ 113 uint32_t *chip_ids; 114 enum adreno_family family; 115 uint32_t revn; 116 const char *fw[ADRENO_FW_MAX]; 117 uint32_t gmem; 118 u64 quirks; 119 const struct adreno_gpu_funcs *funcs; 120 const char *zapfw; 121 u32 inactive_period; 122 union { 123 const struct a6xx_info *a6xx; 124 }; 125 /** 126 * @speedbins: Optional table of fuse to speedbin mappings 127 * 128 * Consists of pairs of fuse, index mappings, terminated with 129 * {SHRT_MAX, 0} sentinal. 130 */ 131 struct adreno_speedbin *speedbins; 132 u64 preempt_record_size; 133 }; 134 135 #define ADRENO_CHIP_IDS(tbl...) (uint32_t[]) { tbl, 0 } 136 137 struct adreno_gpulist { 138 const struct adreno_info *gpus; 139 unsigned gpus_count; 140 }; 141 142 #define DECLARE_ADRENO_GPULIST(name) \ 143 const struct adreno_gpulist name ## _gpulist = { \ 144 name ## _gpus, ARRAY_SIZE(name ## _gpus) \ 145 } 146 147 /* 148 * Helper to build a speedbin table, ie. the table: 149 * fuse | speedbin 150 * -----+--------- 151 * 0 | 0 152 * 169 | 1 153 * 174 | 2 154 * 155 * would be declared as: 156 * 157 * .speedbins = ADRENO_SPEEDBINS( 158 * { 0, 0 }, 159 * { 169, 1 }, 160 * { 174, 2 }, 161 * ), 162 */ 163 #define ADRENO_SPEEDBINS(tbl...) (struct adreno_speedbin[]) { tbl {SHRT_MAX, 0} } 164 165 struct adreno_protect { 166 const uint32_t *regs; 167 uint32_t count; 168 uint32_t count_max; 169 }; 170 171 #define DECLARE_ADRENO_PROTECT(name, __count_max) \ 172 static const struct adreno_protect name = { \ 173 .regs = name ## _regs, \ 174 .count = ARRAY_SIZE(name ## _regs), \ 175 .count_max = __count_max, \ 176 }; 177 178 struct adreno_reglist_list { 179 /** @reg: List of register **/ 180 const u32 *regs; 181 /** @count: Number of registers in the list **/ 182 u32 count; 183 }; 184 185 #define DECLARE_ADRENO_REGLIST_LIST(name) \ 186 static const struct adreno_reglist_list name = { \ 187 .regs = name ## _regs, \ 188 .count = ARRAY_SIZE(name ## _regs), \ 189 }; 190 191 struct adreno_gpu { 192 struct msm_gpu base; 193 const struct adreno_info *info; 194 uint32_t chip_id; 195 uint16_t speedbin; 196 const struct adreno_gpu_funcs *funcs; 197 198 struct completion fault_coredump_done; 199 200 /* interesting register offsets to dump: */ 201 const unsigned int *registers; 202 203 /* 204 * Are we loading fw from legacy path? Prior to addition 205 * of gpu firmware to linux-firmware, the fw files were 206 * placed in toplevel firmware directory, following qcom's 207 * android kernel. But linux-firmware preferred they be 208 * placed in a 'qcom' subdirectory. 209 * 210 * For backwards compatibility, we try first to load from 211 * the new path, using request_firmware_direct() to avoid 212 * any potential timeout waiting for usermode helper, then 213 * fall back to the old path (with direct load). And 214 * finally fall back to request_firmware() with the new 215 * path to allow the usermode helper. 216 */ 217 enum { 218 FW_LOCATION_UNKNOWN = 0, 219 FW_LOCATION_NEW, /* /lib/firmware/qcom/$fwfile */ 220 FW_LOCATION_LEGACY, /* /lib/firmware/$fwfile */ 221 FW_LOCATION_HELPER, 222 } fwloc; 223 224 /* firmware: */ 225 const struct firmware *fw[ADRENO_FW_MAX]; 226 227 /* 228 * The migration to the central UBWC config db is still in flight - keep 229 * a copy containing some local fixups until that's done. 230 */ 231 const struct qcom_ubwc_cfg_data *ubwc_config; 232 struct qcom_ubwc_cfg_data _ubwc_config; 233 234 /* 235 * Register offsets are different between some GPUs. 236 * GPU specific offsets will be exported by GPU specific 237 * code (a3xx_gpu.c) and stored in this common location. 238 */ 239 const unsigned int *reg_offsets; 240 bool gmu_is_wrapper; 241 242 bool has_ray_tracing; 243 244 u64 uche_trap_base; 245 }; 246 #define to_adreno_gpu(x) container_of(x, struct adreno_gpu, base) 247 248 struct adreno_ocmem { 249 struct ocmem *ocmem; 250 unsigned long base; 251 void *hdl; 252 }; 253 254 /* platform config data (ie. from DT, or pdata) */ 255 struct adreno_platform_config { 256 uint32_t chip_id; 257 const struct adreno_info *info; 258 }; 259 260 #define ADRENO_IDLE_TIMEOUT msecs_to_jiffies(1000) 261 262 #define spin_until(X) ({ \ 263 int __ret = -ETIMEDOUT; \ 264 unsigned long __t = jiffies + ADRENO_IDLE_TIMEOUT; \ 265 do { \ 266 if (X) { \ 267 __ret = 0; \ 268 break; \ 269 } \ 270 } while (time_before(jiffies, __t)); \ 271 __ret; \ 272 }) 273 274 static inline uint8_t adreno_patchid(const struct adreno_gpu *gpu) 275 { 276 /* It is probably ok to assume legacy "adreno_rev" format 277 * for all a6xx devices, but probably best to limit this 278 * to older things. 279 */ 280 WARN_ON_ONCE(gpu->info->family >= ADRENO_6XX_GEN1); 281 return gpu->chip_id & 0xff; 282 } 283 284 static inline bool adreno_is_revn(const struct adreno_gpu *gpu, uint32_t revn) 285 { 286 if (WARN_ON_ONCE(!gpu->info)) 287 return false; 288 return gpu->info->revn == revn; 289 } 290 291 static inline bool adreno_has_gmu_wrapper(const struct adreno_gpu *gpu) 292 { 293 return gpu->gmu_is_wrapper; 294 } 295 296 static inline bool adreno_is_a2xx(const struct adreno_gpu *gpu) 297 { 298 if (WARN_ON_ONCE(!gpu->info)) 299 return false; 300 return gpu->info->family <= ADRENO_2XX_GEN2; 301 } 302 303 static inline bool adreno_is_a20x(const struct adreno_gpu *gpu) 304 { 305 if (WARN_ON_ONCE(!gpu->info)) 306 return false; 307 return gpu->info->family == ADRENO_2XX_GEN1; 308 } 309 310 static inline bool adreno_is_a225(const struct adreno_gpu *gpu) 311 { 312 return adreno_is_revn(gpu, 225); 313 } 314 315 static inline bool adreno_is_a305(const struct adreno_gpu *gpu) 316 { 317 return adreno_is_revn(gpu, 305); 318 } 319 320 static inline bool adreno_is_a305b(const struct adreno_gpu *gpu) 321 { 322 return gpu->info->chip_ids[0] == 0x03000512; 323 } 324 325 static inline bool adreno_is_a306(const struct adreno_gpu *gpu) 326 { 327 /* yes, 307, because a305c is 306 */ 328 return adreno_is_revn(gpu, 307); 329 } 330 331 static inline bool adreno_is_a306a(const struct adreno_gpu *gpu) 332 { 333 /* a306a (marketing name is a308) */ 334 return adreno_is_revn(gpu, 308); 335 } 336 337 static inline bool adreno_is_a320(const struct adreno_gpu *gpu) 338 { 339 return adreno_is_revn(gpu, 320); 340 } 341 342 static inline bool adreno_is_a330(const struct adreno_gpu *gpu) 343 { 344 return adreno_is_revn(gpu, 330); 345 } 346 347 static inline bool adreno_is_a330v2(const struct adreno_gpu *gpu) 348 { 349 return adreno_is_a330(gpu) && (adreno_patchid(gpu) > 0); 350 } 351 352 static inline int adreno_is_a405(const struct adreno_gpu *gpu) 353 { 354 return adreno_is_revn(gpu, 405); 355 } 356 357 static inline int adreno_is_a420(const struct adreno_gpu *gpu) 358 { 359 return adreno_is_revn(gpu, 420); 360 } 361 362 static inline int adreno_is_a430(const struct adreno_gpu *gpu) 363 { 364 return adreno_is_revn(gpu, 430); 365 } 366 367 static inline int adreno_is_a505(const struct adreno_gpu *gpu) 368 { 369 return adreno_is_revn(gpu, 505); 370 } 371 372 static inline int adreno_is_a506(const struct adreno_gpu *gpu) 373 { 374 return adreno_is_revn(gpu, 506); 375 } 376 377 static inline int adreno_is_a508(const struct adreno_gpu *gpu) 378 { 379 return adreno_is_revn(gpu, 508); 380 } 381 382 static inline int adreno_is_a509(const struct adreno_gpu *gpu) 383 { 384 return adreno_is_revn(gpu, 509); 385 } 386 387 static inline int adreno_is_a510(const struct adreno_gpu *gpu) 388 { 389 return adreno_is_revn(gpu, 510); 390 } 391 392 static inline int adreno_is_a512(const struct adreno_gpu *gpu) 393 { 394 return adreno_is_revn(gpu, 512); 395 } 396 397 static inline int adreno_is_a530(const struct adreno_gpu *gpu) 398 { 399 return adreno_is_revn(gpu, 530); 400 } 401 402 static inline int adreno_is_a540(const struct adreno_gpu *gpu) 403 { 404 return adreno_is_revn(gpu, 540); 405 } 406 407 static inline int adreno_is_a610(const struct adreno_gpu *gpu) 408 { 409 return adreno_is_revn(gpu, 610); 410 } 411 412 static inline int adreno_is_a612(const struct adreno_gpu *gpu) 413 { 414 return gpu->info->chip_ids[0] == 0x06010200; 415 } 416 417 static inline bool adreno_has_rgmu(const struct adreno_gpu *gpu) 418 { 419 return adreno_is_a612(gpu); 420 } 421 422 static inline int adreno_is_a618(const struct adreno_gpu *gpu) 423 { 424 return adreno_is_revn(gpu, 618); 425 } 426 427 static inline int adreno_is_a619(const struct adreno_gpu *gpu) 428 { 429 return adreno_is_revn(gpu, 619); 430 } 431 432 static inline int adreno_is_a619_holi(const struct adreno_gpu *gpu) 433 { 434 return adreno_is_a619(gpu) && adreno_has_gmu_wrapper(gpu); 435 } 436 437 static inline int adreno_is_a621(const struct adreno_gpu *gpu) 438 { 439 return gpu->info->chip_ids[0] == 0x06020100; 440 } 441 442 static inline int adreno_is_a623(const struct adreno_gpu *gpu) 443 { 444 return gpu->info->chip_ids[0] == 0x06020300; 445 } 446 447 static inline int adreno_is_a630(const struct adreno_gpu *gpu) 448 { 449 return adreno_is_revn(gpu, 630); 450 } 451 452 static inline int adreno_is_a640(const struct adreno_gpu *gpu) 453 { 454 return adreno_is_revn(gpu, 640); 455 } 456 457 static inline int adreno_is_a650(const struct adreno_gpu *gpu) 458 { 459 return adreno_is_revn(gpu, 650); 460 } 461 462 static inline int adreno_is_7c3(const struct adreno_gpu *gpu) 463 { 464 return gpu->info->chip_ids[0] == 0x06030500; 465 } 466 467 static inline int adreno_is_a660(const struct adreno_gpu *gpu) 468 { 469 return adreno_is_revn(gpu, 660); 470 } 471 472 static inline int adreno_is_a680(const struct adreno_gpu *gpu) 473 { 474 return adreno_is_revn(gpu, 680); 475 } 476 477 static inline int adreno_is_a663(const struct adreno_gpu *gpu) 478 { 479 return gpu->info->chip_ids[0] == 0x06060300; 480 } 481 482 static inline int adreno_is_a690(const struct adreno_gpu *gpu) 483 { 484 return gpu->info->chip_ids[0] == 0x06090000; 485 } 486 487 static inline int adreno_is_a702(const struct adreno_gpu *gpu) 488 { 489 return gpu->info->chip_ids[0] == 0x07000200; 490 } 491 492 static inline int adreno_is_a610_family(const struct adreno_gpu *gpu) 493 { 494 if (WARN_ON_ONCE(!gpu->info)) 495 return false; 496 return adreno_is_a610(gpu) || 497 adreno_is_a612(gpu) || 498 adreno_is_a702(gpu); 499 } 500 501 /* TODO: 615/616 */ 502 static inline int adreno_is_a615_family(const struct adreno_gpu *gpu) 503 { 504 return adreno_is_a618(gpu) || 505 adreno_is_a619(gpu); 506 } 507 508 static inline int adreno_is_a630_family(const struct adreno_gpu *gpu) 509 { 510 if (WARN_ON_ONCE(!gpu->info)) 511 return false; 512 return gpu->info->family == ADRENO_6XX_GEN1; 513 } 514 515 static inline int adreno_is_a660_family(const struct adreno_gpu *gpu) 516 { 517 if (WARN_ON_ONCE(!gpu->info)) 518 return false; 519 return gpu->info->family == ADRENO_6XX_GEN4; 520 } 521 522 /* check for a650, a660, or any derivatives */ 523 static inline int adreno_is_a650_family(const struct adreno_gpu *gpu) 524 { 525 if (WARN_ON_ONCE(!gpu->info)) 526 return false; 527 return gpu->info->family == ADRENO_6XX_GEN3 || 528 gpu->info->family == ADRENO_6XX_GEN4; 529 } 530 531 static inline int adreno_is_a640_family(const struct adreno_gpu *gpu) 532 { 533 if (WARN_ON_ONCE(!gpu->info)) 534 return false; 535 return gpu->info->family == ADRENO_6XX_GEN2; 536 } 537 538 static inline int adreno_is_a730(struct adreno_gpu *gpu) 539 { 540 return gpu->info->chip_ids[0] == 0x07030001; 541 } 542 543 static inline int adreno_is_a740(struct adreno_gpu *gpu) 544 { 545 return gpu->info->chip_ids[0] == 0x43050a01; 546 } 547 548 static inline int adreno_is_a750(struct adreno_gpu *gpu) 549 { 550 return gpu->info->chip_ids[0] == 0x43051401; 551 } 552 553 static inline int adreno_is_x185(struct adreno_gpu *gpu) 554 { 555 return gpu->info->chip_ids[0] == 0x43050c01; 556 } 557 558 static inline int adreno_is_a740_family(struct adreno_gpu *gpu) 559 { 560 if (WARN_ON_ONCE(!gpu->info)) 561 return false; 562 return gpu->info->family == ADRENO_7XX_GEN2 || 563 gpu->info->family == ADRENO_7XX_GEN3; 564 } 565 566 static inline int adreno_is_a750_family(struct adreno_gpu *gpu) 567 { 568 return gpu->info->family == ADRENO_7XX_GEN3; 569 } 570 571 static inline int adreno_is_a7xx(struct adreno_gpu *gpu) 572 { 573 /* Update with non-fake (i.e. non-A702) Gen 7 GPUs */ 574 return gpu->info->family == ADRENO_7XX_GEN1 || 575 adreno_is_a740_family(gpu); 576 } 577 578 static inline int adreno_is_a8xx(struct adreno_gpu *gpu) 579 { 580 return gpu->info->family >= ADRENO_8XX_GEN1; 581 } 582 583 static inline int adreno_is_x285(struct adreno_gpu *gpu) 584 { 585 return gpu->info->chip_ids[0] == 0x44070001; 586 } 587 588 static inline int adreno_is_a840(struct adreno_gpu *gpu) 589 { 590 return gpu->info->chip_ids[0] == 0x44050a01; 591 } 592 593 /* Put vm_start above 32b to catch issues with not setting xyz_BASE_HI */ 594 #define ADRENO_VM_START 0x100000000ULL 595 u64 adreno_private_vm_size(struct msm_gpu *gpu); 596 int adreno_get_param(struct msm_gpu *gpu, struct msm_context *ctx, 597 uint32_t param, uint64_t *value, uint32_t *len); 598 int adreno_set_param(struct msm_gpu *gpu, struct msm_context *ctx, 599 uint32_t param, uint64_t value, uint32_t len); 600 const struct firmware *adreno_request_fw(struct adreno_gpu *adreno_gpu, 601 const char *fwname); 602 struct drm_gem_object *adreno_fw_create_bo(struct msm_gpu *gpu, 603 const struct firmware *fw, u64 *iova); 604 int adreno_hw_init(struct msm_gpu *gpu); 605 void adreno_recover(struct msm_gpu *gpu); 606 void adreno_flush(struct msm_gpu *gpu, struct msm_ringbuffer *ring, u32 reg); 607 bool adreno_idle(struct msm_gpu *gpu, struct msm_ringbuffer *ring); 608 #if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP) 609 void adreno_show(struct msm_gpu *gpu, struct msm_gpu_state *state, 610 struct drm_printer *p); 611 #endif 612 void adreno_dump_info(struct msm_gpu *gpu); 613 void adreno_dump(struct msm_gpu *gpu); 614 void adreno_wait_ring(struct msm_ringbuffer *ring, uint32_t ndwords); 615 struct msm_ringbuffer *adreno_active_ring(struct msm_gpu *gpu); 616 617 int adreno_gpu_ocmem_init(struct device *dev, struct adreno_gpu *adreno_gpu, 618 struct adreno_ocmem *ocmem); 619 void adreno_gpu_ocmem_cleanup(struct adreno_ocmem *ocmem); 620 621 int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, 622 struct adreno_gpu *gpu, const struct adreno_gpu_funcs *funcs, 623 int nr_rings); 624 void adreno_gpu_cleanup(struct adreno_gpu *gpu); 625 int adreno_load_fw(struct adreno_gpu *adreno_gpu); 626 627 void adreno_gpu_state_destroy(struct msm_gpu_state *state); 628 629 int adreno_gpu_state_get(struct msm_gpu *gpu, struct msm_gpu_state *state); 630 int adreno_gpu_state_put(struct msm_gpu_state *state); 631 void adreno_show_object(struct drm_printer *p, void **ptr, int len, 632 bool *encoded); 633 634 /* 635 * Common helper function to initialize the default address space for arm-smmu 636 * attached targets 637 */ 638 struct drm_gpuvm * 639 adreno_create_vm(struct msm_gpu *gpu, 640 struct platform_device *pdev); 641 642 struct drm_gpuvm * 643 adreno_iommu_create_vm(struct msm_gpu *gpu, 644 struct platform_device *pdev, 645 unsigned long quirks); 646 647 int adreno_fault_handler(struct msm_gpu *gpu, unsigned long iova, int flags, 648 struct adreno_smmu_fault_info *info, const char *block, 649 u32 scratch[4]); 650 651 void adreno_check_and_reenable_stall(struct adreno_gpu *gpu); 652 653 int adreno_read_speedbin(struct device *dev, u32 *speedbin); 654 655 /* 656 * For a5xx and a6xx targets load the zap shader that is used to pull the GPU 657 * out of secure mode 658 */ 659 int adreno_zap_shader_load(struct msm_gpu *gpu, u32 pasid); 660 661 /* ringbuffer helpers (the parts that are adreno specific) */ 662 663 static inline void 664 OUT_PKT0(struct msm_ringbuffer *ring, uint16_t regindx, uint16_t cnt) 665 { 666 adreno_wait_ring(ring, cnt+1); 667 OUT_RING(ring, CP_TYPE0_PKT | ((cnt-1) << 16) | (regindx & 0x7FFF)); 668 } 669 670 /* no-op packet: */ 671 static inline void 672 OUT_PKT2(struct msm_ringbuffer *ring) 673 { 674 adreno_wait_ring(ring, 1); 675 OUT_RING(ring, CP_TYPE2_PKT); 676 } 677 678 static inline void 679 OUT_PKT3(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt) 680 { 681 adreno_wait_ring(ring, cnt+1); 682 OUT_RING(ring, CP_TYPE3_PKT | ((cnt-1) << 16) | ((opcode & 0xFF) << 8)); 683 } 684 685 static inline u32 PM4_PARITY(u32 val) 686 { 687 return (0x9669 >> (0xF & (val ^ 688 (val >> 4) ^ (val >> 8) ^ (val >> 12) ^ 689 (val >> 16) ^ ((val) >> 20) ^ (val >> 24) ^ 690 (val >> 28)))) & 1; 691 } 692 693 /* Maximum number of values that can be executed for one opcode */ 694 #define TYPE4_MAX_PAYLOAD 127 695 696 #define PKT4(_reg, _cnt) \ 697 (CP_TYPE4_PKT | ((_cnt) << 0) | (PM4_PARITY((_cnt)) << 7) | \ 698 (((_reg) & 0x3FFFF) << 8) | (PM4_PARITY((_reg)) << 27)) 699 700 static inline void 701 OUT_PKT4(struct msm_ringbuffer *ring, uint16_t regindx, uint16_t cnt) 702 { 703 adreno_wait_ring(ring, cnt + 1); 704 OUT_RING(ring, PKT4(regindx, cnt)); 705 } 706 707 #define PKT7(opcode, cnt) \ 708 (CP_TYPE7_PKT | (cnt << 0) | (PM4_PARITY(cnt) << 15) | \ 709 ((opcode & 0x7F) << 16) | (PM4_PARITY(opcode) << 23)) 710 711 static inline void 712 OUT_PKT7(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt) 713 { 714 adreno_wait_ring(ring, cnt + 1); 715 OUT_RING(ring, PKT7(opcode, cnt)); 716 } 717 718 static inline uint32_t get_wptr(struct msm_ringbuffer *ring) 719 { 720 return (ring->cur - ring->start) % (MSM_GPU_RINGBUFFER_SZ >> 2); 721 } 722 723 /* 724 * Given a register and a count, return a value to program into 725 * REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len 726 * registers starting at _reg. 727 * 728 * The register base needs to be a multiple of the length. If it is not, the 729 * hardware will quietly mask off the bits for you and shift the size. For 730 * example, if you intend the protection to start at 0x07 for a length of 4 731 * (0x07-0x0A) the hardware will actually protect (0x04-0x07) which might 732 * expose registers you intended to protect! 733 */ 734 #define ADRENO_PROTECT_RW(_reg, _len) \ 735 ((1 << 30) | (1 << 29) | \ 736 ((ilog2((_len)) & 0x1F) << 24) | (((_reg) << 2) & 0xFFFFF)) 737 738 /* 739 * Same as above, but allow reads over the range. For areas of mixed use (such 740 * as performance counters) this allows us to protect a much larger range with a 741 * single register 742 */ 743 #define ADRENO_PROTECT_RDONLY(_reg, _len) \ 744 ((1 << 29) \ 745 ((ilog2((_len)) & 0x1F) << 24) | (((_reg) << 2) & 0xFFFFF)) 746 747 748 #define gpu_poll_timeout(gpu, addr, val, cond, interval, timeout) \ 749 readl_poll_timeout((gpu)->mmio + ((addr) << 2), val, cond, \ 750 interval, timeout) 751 752 #endif /* __ADRENO_GPU_H__ */ 753