1/* 2 * Copyright 2017 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 */ 23/* 24 * dc_helper.c 25 * 26 * Created on: Aug 30, 2016 27 * Author: agrodzov 28 */ 29 30#include <linux/delay.h> 31#include <linux/stdarg.h> 32 33#include "dm_services.h" 34 35#include "dc.h" 36#include "dc_dmub_srv.h" 37#include "reg_helper.h" 38 39#define DC_LOGGER \ 40 ctx->logger 41 42static inline void submit_dmub_read_modify_write( 43 struct dc_reg_helper_state *offload, 44 const struct dc_context *ctx) 45{ 46 struct dmub_rb_cmd_read_modify_write *cmd_buf = &offload->cmd_data.read_modify_write; 47 48 offload->should_burst_write = 49 (offload->same_addr_count == (DMUB_READ_MODIFY_WRITE_SEQ__MAX - 1)); 50 cmd_buf->header.payload_bytes = 51 sizeof(struct dmub_cmd_read_modify_write_sequence) * offload->reg_seq_count; 52 53 dc_wake_and_execute_dmub_cmd(ctx, &offload->cmd_data, DM_DMUB_WAIT_TYPE_NO_WAIT); 54 55 memset(cmd_buf, 0, sizeof(*cmd_buf)); 56 57 offload->reg_seq_count = 0; 58 offload->same_addr_count = 0; 59} 60 61static inline void submit_dmub_burst_write( 62 struct dc_reg_helper_state *offload, 63 const struct dc_context *ctx) 64{ 65 struct dmub_rb_cmd_burst_write *cmd_buf = &offload->cmd_data.burst_write; 66 67 cmd_buf->header.payload_bytes = 68 sizeof(uint32_t) * offload->reg_seq_count; 69 70 dc_wake_and_execute_dmub_cmd(ctx, &offload->cmd_data, DM_DMUB_WAIT_TYPE_NO_WAIT); 71 72 memset(cmd_buf, 0, sizeof(*cmd_buf)); 73 74 offload->reg_seq_count = 0; 75} 76 77static inline void submit_dmub_reg_wait( 78 struct dc_reg_helper_state *offload, 79 const struct dc_context *ctx) 80{ 81 struct dmub_rb_cmd_reg_wait *cmd_buf = &offload->cmd_data.reg_wait; 82 83 dc_wake_and_execute_dmub_cmd(ctx, &offload->cmd_data, DM_DMUB_WAIT_TYPE_NO_WAIT); 84 85 memset(cmd_buf, 0, sizeof(*cmd_buf)); 86 offload->reg_seq_count = 0; 87} 88 89struct dc_reg_value_masks { 90 uint32_t value; 91 uint32_t mask; 92}; 93 94struct dc_reg_sequence { 95 uint32_t addr; 96 struct dc_reg_value_masks value_masks; 97}; 98 99static inline void set_reg_field_value_masks( 100 struct dc_reg_value_masks *field_value_mask, 101 uint32_t value, 102 uint32_t mask, 103 uint8_t shift) 104{ 105 ASSERT(mask != 0); 106 107 field_value_mask->value = (field_value_mask->value & ~mask) | (mask & (value << shift)); 108 field_value_mask->mask = field_value_mask->mask | mask; 109} 110 111static void set_reg_field_values(struct dc_reg_value_masks *field_value_mask, 112 uint32_t addr, int n, 113 uint8_t shift1, uint32_t mask1, uint32_t field_value1, 114 va_list ap) 115{ 116 uint32_t shift, mask, field_value; 117 int i = 1; 118 119 /* gather all bits value/mask getting updated in this register */ 120 set_reg_field_value_masks(field_value_mask, 121 field_value1, mask1, shift1); 122 123 while (i < n) { 124 shift = va_arg(ap, uint32_t); 125 mask = va_arg(ap, uint32_t); 126 field_value = va_arg(ap, uint32_t); 127 128 set_reg_field_value_masks(field_value_mask, 129 field_value, mask, shift); 130 i++; 131 } 132} 133 134static void dmub_flush_buffer_execute( 135 struct dc_reg_helper_state *offload, 136 const struct dc_context *ctx) 137{ 138 submit_dmub_read_modify_write(offload, ctx); 139} 140 141static void dmub_flush_burst_write_buffer_execute( 142 struct dc_reg_helper_state *offload, 143 const struct dc_context *ctx) 144{ 145 submit_dmub_burst_write(offload, ctx); 146} 147 148static bool dmub_reg_value_burst_set_pack(const struct dc_context *ctx, uint32_t addr, 149 uint32_t reg_val) 150{ 151 struct dc_reg_helper_state *offload = &ctx->dmub_srv->reg_helper_offload; 152 struct dmub_rb_cmd_burst_write *cmd_buf = &offload->cmd_data.burst_write; 153 154 /* flush command if buffer is full */ 155 if (offload->reg_seq_count == DMUB_BURST_WRITE_VALUES__MAX) 156 dmub_flush_burst_write_buffer_execute(offload, ctx); 157 158 if (offload->cmd_data.cmd_common.header.type == DMUB_CMD__REG_SEQ_BURST_WRITE && 159 addr != cmd_buf->addr) { 160 dmub_flush_burst_write_buffer_execute(offload, ctx); 161 return false; 162 } 163 164 cmd_buf->header.type = DMUB_CMD__REG_SEQ_BURST_WRITE; 165 cmd_buf->header.sub_type = 0; 166 cmd_buf->addr = addr; 167 cmd_buf->write_values[offload->reg_seq_count] = reg_val; 168 offload->reg_seq_count++; 169 170 return true; 171} 172 173static uint32_t dmub_reg_value_pack(const struct dc_context *ctx, uint32_t addr, 174 struct dc_reg_value_masks *field_value_mask) 175{ 176 struct dc_reg_helper_state *offload = &ctx->dmub_srv->reg_helper_offload; 177 struct dmub_rb_cmd_read_modify_write *cmd_buf = &offload->cmd_data.read_modify_write; 178 struct dmub_cmd_read_modify_write_sequence *seq; 179 180 /* flush command if buffer is full */ 181 if (offload->cmd_data.cmd_common.header.type != DMUB_CMD__REG_SEQ_BURST_WRITE && 182 offload->reg_seq_count == DMUB_READ_MODIFY_WRITE_SEQ__MAX) 183 dmub_flush_buffer_execute(offload, ctx); 184 185 if (offload->should_burst_write) { 186 if (dmub_reg_value_burst_set_pack(ctx, addr, field_value_mask->value)) 187 return field_value_mask->value; 188 else 189 offload->should_burst_write = false; 190 } 191 192 /* pack commands */ 193 cmd_buf->header.type = DMUB_CMD__REG_SEQ_READ_MODIFY_WRITE; 194 cmd_buf->header.sub_type = 0; 195 seq = &cmd_buf->seq[offload->reg_seq_count]; 196 197 if (offload->reg_seq_count) { 198 if (cmd_buf->seq[offload->reg_seq_count - 1].addr == addr) 199 offload->same_addr_count++; 200 else 201 offload->same_addr_count = 0; 202 } 203 204 seq->addr = addr; 205 seq->modify_mask = field_value_mask->mask; 206 seq->modify_value = field_value_mask->value; 207 offload->reg_seq_count++; 208 209 return field_value_mask->value; 210} 211 212static void dmub_reg_wait_done_pack(const struct dc_context *ctx, uint32_t addr, 213 uint32_t mask, uint32_t shift, uint32_t condition_value, uint32_t time_out_us) 214{ 215 struct dc_reg_helper_state *offload = &ctx->dmub_srv->reg_helper_offload; 216 struct dmub_rb_cmd_reg_wait *cmd_buf = &offload->cmd_data.reg_wait; 217 218 cmd_buf->header.type = DMUB_CMD__REG_REG_WAIT; 219 cmd_buf->header.sub_type = 0; 220 cmd_buf->reg_wait.addr = addr; 221 cmd_buf->reg_wait.condition_field_value = mask & (condition_value << shift); 222 cmd_buf->reg_wait.mask = mask; 223 cmd_buf->reg_wait.time_out_us = time_out_us; 224} 225 226uint32_t generic_reg_update_ex(const struct dc_context *ctx, 227 uint32_t addr, int n, 228 uint8_t shift1, uint32_t mask1, uint32_t field_value1, 229 ...) 230{ 231 struct dc_reg_value_masks field_value_mask = {0}; 232 uint32_t reg_val; 233 va_list ap; 234 235 va_start(ap, field_value1); 236 237 set_reg_field_values(&field_value_mask, addr, n, shift1, mask1, 238 field_value1, ap); 239 240 va_end(ap); 241 242 if (ctx->dmub_srv && 243 ctx->dmub_srv->reg_helper_offload.gather_in_progress) 244 return dmub_reg_value_pack(ctx, addr, &field_value_mask); 245 /* todo: return void so we can decouple code running in driver from register states */ 246 247 /* mmio write directly */ 248 reg_val = dm_read_reg(ctx, addr); 249 reg_val = (reg_val & ~field_value_mask.mask) | field_value_mask.value; 250 dm_write_reg(ctx, addr, reg_val); 251 return reg_val; 252} 253 254uint32_t generic_reg_set_ex(const struct dc_context *ctx, 255 uint32_t addr, uint32_t reg_val, int n, 256 uint8_t shift1, uint32_t mask1, uint32_t field_value1, 257 ...) 258{ 259 struct dc_reg_value_masks field_value_mask = {0}; 260 va_list ap; 261 262 va_start(ap, field_value1); 263 264 set_reg_field_values(&field_value_mask, addr, n, shift1, mask1, 265 field_value1, ap); 266 267 va_end(ap); 268 269 270 /* mmio write directly */ 271 reg_val = (reg_val & ~field_value_mask.mask) | field_value_mask.value; 272 273 if (ctx->dmub_srv && 274 ctx->dmub_srv->reg_helper_offload.gather_in_progress) { 275 return dmub_reg_value_burst_set_pack(ctx, addr, reg_val); 276 /* todo: return void so we can decouple code running in driver from register states */ 277 } 278 279 dm_write_reg(ctx, addr, reg_val); 280 return reg_val; 281} 282 283uint32_t generic_reg_get(const struct dc_context *ctx, uint32_t addr, 284 uint8_t shift, uint32_t mask, uint32_t *field_value) 285{ 286 uint32_t reg_val = dm_read_reg(ctx, addr); 287 *field_value = get_reg_field_value_ex(reg_val, mask, shift); 288 return reg_val; 289} 290 291uint32_t generic_reg_get2(const struct dc_context *ctx, uint32_t addr, 292 uint8_t shift1, uint32_t mask1, uint32_t *field_value1, 293 uint8_t shift2, uint32_t mask2, uint32_t *field_value2) 294{ 295 uint32_t reg_val = dm_read_reg(ctx, addr); 296 *field_value1 = get_reg_field_value_ex(reg_val, mask1, shift1); 297 *field_value2 = get_reg_field_value_ex(reg_val, mask2, shift2); 298 return reg_val; 299} 300 301uint32_t generic_reg_get3(const struct dc_context *ctx, uint32_t addr, 302 uint8_t shift1, uint32_t mask1, uint32_t *field_value1, 303 uint8_t shift2, uint32_t mask2, uint32_t *field_value2, 304 uint8_t shift3, uint32_t mask3, uint32_t *field_value3) 305{ 306 uint32_t reg_val = dm_read_reg(ctx, addr); 307 *field_value1 = get_reg_field_value_ex(reg_val, mask1, shift1); 308 *field_value2 = get_reg_field_value_ex(reg_val, mask2, shift2); 309 *field_value3 = get_reg_field_value_ex(reg_val, mask3, shift3); 310 return reg_val; 311} 312 313uint32_t generic_reg_get4(const struct dc_context *ctx, uint32_t addr, 314 uint8_t shift1, uint32_t mask1, uint32_t *field_value1, 315 uint8_t shift2, uint32_t mask2, uint32_t *field_value2, 316 uint8_t shift3, uint32_t mask3, uint32_t *field_value3, 317 uint8_t shift4, uint32_t mask4, uint32_t *field_value4) 318{ 319 uint32_t reg_val = dm_read_reg(ctx, addr); 320 *field_value1 = get_reg_field_value_ex(reg_val, mask1, shift1); 321 *field_value2 = get_reg_field_value_ex(reg_val, mask2, shift2); 322 *field_value3 = get_reg_field_value_ex(reg_val, mask3, shift3); 323 *field_value4 = get_reg_field_value_ex(reg_val, mask4, shift4); 324 return reg_val; 325} 326 327uint32_t generic_reg_get5(const struct dc_context *ctx, uint32_t addr, 328 uint8_t shift1, uint32_t mask1, uint32_t *field_value1, 329 uint8_t shift2, uint32_t mask2, uint32_t *field_value2, 330 uint8_t shift3, uint32_t mask3, uint32_t *field_value3, 331 uint8_t shift4, uint32_t mask4, uint32_t *field_value4, 332 uint8_t shift5, uint32_t mask5, uint32_t *field_value5) 333{ 334 uint32_t reg_val = dm_read_reg(ctx, addr); 335 *field_value1 = get_reg_field_value_ex(reg_val, mask1, shift1); 336 *field_value2 = get_reg_field_value_ex(reg_val, mask2, shift2); 337 *field_value3 = get_reg_field_value_ex(reg_val, mask3, shift3); 338 *field_value4 = get_reg_field_value_ex(reg_val, mask4, shift4); 339 *field_value5 = get_reg_field_value_ex(reg_val, mask5, shift5); 340 return reg_val; 341} 342 343uint32_t generic_reg_get6(const struct dc_context *ctx, uint32_t addr, 344 uint8_t shift1, uint32_t mask1, uint32_t *field_value1, 345 uint8_t shift2, uint32_t mask2, uint32_t *field_value2, 346 uint8_t shift3, uint32_t mask3, uint32_t *field_value3, 347 uint8_t shift4, uint32_t mask4, uint32_t *field_value4, 348 uint8_t shift5, uint32_t mask5, uint32_t *field_value5, 349 uint8_t shift6, uint32_t mask6, uint32_t *field_value6) 350{ 351 uint32_t reg_val = dm_read_reg(ctx, addr); 352 *field_value1 = get_reg_field_value_ex(reg_val, mask1, shift1); 353 *field_value2 = get_reg_field_value_ex(reg_val, mask2, shift2); 354 *field_value3 = get_reg_field_value_ex(reg_val, mask3, shift3); 355 *field_value4 = get_reg_field_value_ex(reg_val, mask4, shift4); 356 *field_value5 = get_reg_field_value_ex(reg_val, mask5, shift5); 357 *field_value6 = get_reg_field_value_ex(reg_val, mask6, shift6); 358 return reg_val; 359} 360 361uint32_t generic_reg_get7(const struct dc_context *ctx, uint32_t addr, 362 uint8_t shift1, uint32_t mask1, uint32_t *field_value1, 363 uint8_t shift2, uint32_t mask2, uint32_t *field_value2, 364 uint8_t shift3, uint32_t mask3, uint32_t *field_value3, 365 uint8_t shift4, uint32_t mask4, uint32_t *field_value4, 366 uint8_t shift5, uint32_t mask5, uint32_t *field_value5, 367 uint8_t shift6, uint32_t mask6, uint32_t *field_value6, 368 uint8_t shift7, uint32_t mask7, uint32_t *field_value7) 369{ 370 uint32_t reg_val = dm_read_reg(ctx, addr); 371 *field_value1 = get_reg_field_value_ex(reg_val, mask1, shift1); 372 *field_value2 = get_reg_field_value_ex(reg_val, mask2, shift2); 373 *field_value3 = get_reg_field_value_ex(reg_val, mask3, shift3); 374 *field_value4 = get_reg_field_value_ex(reg_val, mask4, shift4); 375 *field_value5 = get_reg_field_value_ex(reg_val, mask5, shift5); 376 *field_value6 = get_reg_field_value_ex(reg_val, mask6, shift6); 377 *field_value7 = get_reg_field_value_ex(reg_val, mask7, shift7); 378 return reg_val; 379} 380 381uint32_t generic_reg_get8(const struct dc_context *ctx, uint32_t addr, 382 uint8_t shift1, uint32_t mask1, uint32_t *field_value1, 383 uint8_t shift2, uint32_t mask2, uint32_t *field_value2, 384 uint8_t shift3, uint32_t mask3, uint32_t *field_value3, 385 uint8_t shift4, uint32_t mask4, uint32_t *field_value4, 386 uint8_t shift5, uint32_t mask5, uint32_t *field_value5, 387 uint8_t shift6, uint32_t mask6, uint32_t *field_value6, 388 uint8_t shift7, uint32_t mask7, uint32_t *field_value7, 389 uint8_t shift8, uint32_t mask8, uint32_t *field_value8) 390{ 391 uint32_t reg_val = dm_read_reg(ctx, addr); 392 *field_value1 = get_reg_field_value_ex(reg_val, mask1, shift1); 393 *field_value2 = get_reg_field_value_ex(reg_val, mask2, shift2); 394 *field_value3 = get_reg_field_value_ex(reg_val, mask3, shift3); 395 *field_value4 = get_reg_field_value_ex(reg_val, mask4, shift4); 396 *field_value5 = get_reg_field_value_ex(reg_val, mask5, shift5); 397 *field_value6 = get_reg_field_value_ex(reg_val, mask6, shift6); 398 *field_value7 = get_reg_field_value_ex(reg_val, mask7, shift7); 399 *field_value8 = get_reg_field_value_ex(reg_val, mask8, shift8); 400 return reg_val; 401} 402/* note: va version of this is pretty bad idea, since there is a output parameter pass by pointer 403 * compiler won't be able to check for size match and is prone to stack corruption type of bugs 404 405uint32_t generic_reg_get(const struct dc_context *ctx, 406 uint32_t addr, int n, ...) 407{ 408 uint32_t shift, mask; 409 uint32_t *field_value; 410 uint32_t reg_val; 411 int i = 0; 412 413 reg_val = dm_read_reg(ctx, addr); 414 415 va_list ap; 416 va_start(ap, n); 417 418 while (i < n) { 419 shift = va_arg(ap, uint32_t); 420 mask = va_arg(ap, uint32_t); 421 field_value = va_arg(ap, uint32_t *); 422 423 *field_value = get_reg_field_value_ex(reg_val, mask, shift); 424 i++; 425 } 426 427 va_end(ap); 428 429 return reg_val; 430} 431*/ 432 433void generic_reg_wait(const struct dc_context *ctx, 434 uint32_t addr, uint32_t shift, uint32_t mask, uint32_t condition_value, 435 unsigned int delay_between_poll_us, unsigned int time_out_num_tries, 436 const char *func_name, int line) 437{ 438 uint32_t field_value; 439 uint32_t reg_val; 440 int i; 441 442 if (ctx->dmub_srv && 443 ctx->dmub_srv->reg_helper_offload.gather_in_progress) { 444 dmub_reg_wait_done_pack(ctx, addr, mask, shift, condition_value, 445 delay_between_poll_us * time_out_num_tries); 446 return; 447 } 448 449 /* 450 * Something is terribly wrong if time out is > 3000ms. 451 * 3000ms is the maximum time needed for SMU to pass values back. 452 * This value comes from experiments. 453 * 454 */ 455 ASSERT(delay_between_poll_us * time_out_num_tries <= 3000000); 456 457 for (i = 0; i <= time_out_num_tries; i++) { 458 if (i) { 459 if (delay_between_poll_us >= 1000) 460 msleep(delay_between_poll_us/1000); 461 else if (delay_between_poll_us > 0) 462 udelay(delay_between_poll_us); 463 } 464 465 reg_val = dm_read_reg(ctx, addr); 466 467 field_value = get_reg_field_value_ex(reg_val, mask, shift); 468 469 if (field_value == condition_value) { 470 if (i * delay_between_poll_us > 1000) 471 DC_LOG_DC("REG_WAIT taking a while: %dms in %s line:%d\n", 472 delay_between_poll_us * i / 1000, 473 func_name, line); 474 return; 475 } 476 } 477 478 DC_LOG_WARNING("REG_WAIT timeout %dus * %d tries - %s line:%d\n", 479 delay_between_poll_us, time_out_num_tries, 480 func_name, line); 481 482 BREAK_TO_DEBUGGER(); 483} 484 485void generic_write_indirect_reg(const struct dc_context *ctx, 486 uint32_t addr_index, uint32_t addr_data, 487 uint32_t index, uint32_t data) 488{ 489 dm_write_reg(ctx, addr_index, index); 490 dm_write_reg(ctx, addr_data, data); 491} 492 493uint32_t generic_read_indirect_reg(const struct dc_context *ctx, 494 uint32_t addr_index, uint32_t addr_data, 495 uint32_t index) 496{ 497 uint32_t value = 0; 498 499 // when reg read, there should not be any offload. 500 if (ctx->dmub_srv && 501 ctx->dmub_srv->reg_helper_offload.gather_in_progress) { 502 ASSERT(false); 503 } 504 505 dm_write_reg(ctx, addr_index, index); 506 value = dm_read_reg(ctx, addr_data); 507 508 return value; 509} 510 511uint32_t generic_indirect_reg_get(const struct dc_context *ctx, 512 uint32_t addr_index, uint32_t addr_data, 513 uint32_t index, int n, 514 uint8_t shift1, uint32_t mask1, uint32_t *field_value1, 515 ...) 516{ 517 uint32_t shift, mask, *field_value; 518 uint32_t value = 0; 519 int i = 1; 520 521 va_list ap; 522 523 va_start(ap, field_value1); 524 525 value = generic_read_indirect_reg(ctx, addr_index, addr_data, index); 526 *field_value1 = get_reg_field_value_ex(value, mask1, shift1); 527 528 while (i < n) { 529 shift = va_arg(ap, uint32_t); 530 mask = va_arg(ap, uint32_t); 531 field_value = va_arg(ap, uint32_t *); 532 533 *field_value = get_reg_field_value_ex(value, mask, shift); 534 i++; 535 } 536 537 va_end(ap); 538 539 return value; 540} 541 542uint32_t generic_indirect_reg_update_ex(const struct dc_context *ctx, 543 uint32_t addr_index, uint32_t addr_data, 544 uint32_t index, uint32_t reg_val, int n, 545 uint8_t shift1, uint32_t mask1, uint32_t field_value1, 546 ...) 547{ 548 uint32_t shift, mask, field_value; 549 int i = 1; 550 551 va_list ap; 552 553 va_start(ap, field_value1); 554 555 reg_val = set_reg_field_value_ex(reg_val, field_value1, mask1, shift1); 556 557 while (i < n) { 558 shift = va_arg(ap, uint32_t); 559 mask = va_arg(ap, uint32_t); 560 field_value = va_arg(ap, uint32_t); 561 562 reg_val = set_reg_field_value_ex(reg_val, field_value, mask, shift); 563 i++; 564 } 565 566 generic_write_indirect_reg(ctx, addr_index, addr_data, index, reg_val); 567 va_end(ap); 568 569 return reg_val; 570} 571 572 573uint32_t generic_indirect_reg_update_ex_sync(const struct dc_context *ctx, 574 uint32_t index, uint32_t reg_val, int n, 575 uint8_t shift1, uint32_t mask1, uint32_t field_value1, 576 ...) 577{ 578 uint32_t shift, mask, field_value; 579 int i = 1; 580 581 va_list ap; 582 583 va_start(ap, field_value1); 584 585 reg_val = set_reg_field_value_ex(reg_val, field_value1, mask1, shift1); 586 587 while (i < n) { 588 shift = va_arg(ap, uint32_t); 589 mask = va_arg(ap, uint32_t); 590 field_value = va_arg(ap, uint32_t); 591 592 reg_val = set_reg_field_value_ex(reg_val, field_value, mask, shift); 593 i++; 594 } 595 596 dm_write_index_reg(ctx, CGS_IND_REG__PCIE, index, reg_val); 597 va_end(ap); 598 599 return reg_val; 600} 601 602uint32_t generic_indirect_reg_get_sync(const struct dc_context *ctx, 603 uint32_t index, int n, 604 uint8_t shift1, uint32_t mask1, uint32_t *field_value1, 605 ...) 606{ 607 uint32_t shift, mask, *field_value; 608 uint32_t value = 0; 609 int i = 1; 610 611 va_list ap; 612 613 va_start(ap, field_value1); 614 615 value = dm_read_index_reg(ctx, CGS_IND_REG__PCIE, index); 616 *field_value1 = get_reg_field_value_ex(value, mask1, shift1); 617 618 while (i < n) { 619 shift = va_arg(ap, uint32_t); 620 mask = va_arg(ap, uint32_t); 621 field_value = va_arg(ap, uint32_t *); 622 623 *field_value = get_reg_field_value_ex(value, mask, shift); 624 i++; 625 } 626 627 va_end(ap); 628 629 return value; 630} 631 632void reg_sequence_start_gather(const struct dc_context *ctx) 633{ 634 /* if reg sequence is supported and enabled, set flag to 635 * indicate we want to have REG_SET, REG_UPDATE macro build 636 * reg sequence command buffer rather than MMIO directly. 637 */ 638 639 if (ctx->dmub_srv && ctx->dc->debug.dmub_offload_enabled) { 640 struct dc_reg_helper_state *offload = 641 &ctx->dmub_srv->reg_helper_offload; 642 643 /* caller sequence mismatch. need to debug caller. offload will not work!!! */ 644 ASSERT(!offload->gather_in_progress); 645 646 offload->gather_in_progress = true; 647 } 648} 649 650void reg_sequence_start_execute(const struct dc_context *ctx) 651{ 652 struct dc_reg_helper_state *offload; 653 654 if (!ctx->dmub_srv) 655 return; 656 657 offload = &ctx->dmub_srv->reg_helper_offload; 658 659 if (offload && offload->gather_in_progress) { 660 offload->gather_in_progress = false; 661 offload->should_burst_write = false; 662 switch (offload->cmd_data.cmd_common.header.type) { 663 case DMUB_CMD__REG_SEQ_READ_MODIFY_WRITE: 664 submit_dmub_read_modify_write(offload, ctx); 665 break; 666 case DMUB_CMD__REG_REG_WAIT: 667 submit_dmub_reg_wait(offload, ctx); 668 break; 669 case DMUB_CMD__REG_SEQ_BURST_WRITE: 670 submit_dmub_burst_write(offload, ctx); 671 break; 672 default: 673 return; 674 } 675 } 676} 677 678void reg_sequence_wait_done(const struct dc_context *ctx) 679{ 680 /* callback to DM to poll for last submission done*/ 681 struct dc_reg_helper_state *offload; 682 683 if (!ctx->dmub_srv) 684 return; 685 686 offload = &ctx->dmub_srv->reg_helper_offload; 687 688 if (offload && 689 ctx->dc->debug.dmub_offload_enabled && 690 !ctx->dc->debug.dmcub_emulation) { 691 dc_dmub_srv_wait_idle(ctx->dmub_srv); 692 } 693} 694 695char *dce_version_to_string(const int version) 696{ 697 switch (version) { 698 case DCE_VERSION_8_0: 699 return "DCE 8.0"; 700 case DCE_VERSION_8_1: 701 return "DCE 8.1"; 702 case DCE_VERSION_8_3: 703 return "DCE 8.3"; 704 case DCE_VERSION_10_0: 705 return "DCE 10.0"; 706 case DCE_VERSION_11_0: 707 return "DCE 11.0"; 708 case DCE_VERSION_11_2: 709 return "DCE 11.2"; 710 case DCE_VERSION_11_22: 711 return "DCE 11.22"; 712 case DCE_VERSION_12_0: 713 return "DCE 12.0"; 714 case DCE_VERSION_12_1: 715 return "DCE 12.1"; 716 case DCN_VERSION_1_0: 717 return "DCN 1.0"; 718 case DCN_VERSION_1_01: 719 return "DCN 1.0.1"; 720 case DCN_VERSION_2_0: 721 return "DCN 2.0"; 722 case DCN_VERSION_2_1: 723 return "DCN 2.1"; 724 case DCN_VERSION_2_01: 725 return "DCN 2.0.1"; 726 case DCN_VERSION_3_0: 727 return "DCN 3.0"; 728 case DCN_VERSION_3_01: 729 return "DCN 3.0.1"; 730 case DCN_VERSION_3_02: 731 return "DCN 3.0.2"; 732 case DCN_VERSION_3_03: 733 return "DCN 3.0.3"; 734 case DCN_VERSION_3_1: 735 return "DCN 3.1"; 736 case DCN_VERSION_3_14: 737 return "DCN 3.1.4"; 738 case DCN_VERSION_3_15: 739 return "DCN 3.1.5"; 740 case DCN_VERSION_3_16: 741 return "DCN 3.1.6"; 742 case DCN_VERSION_3_2: 743 return "DCN 3.2"; 744 case DCN_VERSION_3_21: 745 return "DCN 3.2.1"; 746 case DCN_VERSION_3_5: 747 return "DCN 3.5"; 748 case DCN_VERSION_3_51: 749 return "DCN 3.5.1"; 750 default: 751 return "Unknown"; 752 } 753} 754