1/* 2 * Copyright 2007-8 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: Dave Airlie 24 * Alex Deucher 25 */ 26 27#include <drm/amdgpu_drm.h> 28#include "amdgpu.h" 29#include "amdgpu_atombios.h" 30#include "amdgpu_atomfirmware.h" 31#include "amdgpu_i2c.h" 32#include "amdgpu_display.h" 33 34#include "atom.h" 35#include "atom-bits.h" 36#include "atombios_encoders.h" 37#include "bif/bif_4_1_d.h" 38 39static void amdgpu_atombios_lookup_i2c_gpio_quirks(struct amdgpu_device *adev, 40 ATOM_GPIO_I2C_ASSIGMENT *gpio, 41 u8 index) 42{ 43 44} 45 46static struct amdgpu_i2c_bus_rec amdgpu_atombios_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio) 47{ 48 struct amdgpu_i2c_bus_rec i2c; 49 50 memset(&i2c, 0, sizeof(struct amdgpu_i2c_bus_rec)); 51 52 i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex); 53 i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex); 54 i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex); 55 i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex); 56 i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex); 57 i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex); 58 i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex); 59 i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex); 60 i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift); 61 i2c.mask_data_mask = (1 << gpio->ucDataMaskShift); 62 i2c.en_clk_mask = (1 << gpio->ucClkEnShift); 63 i2c.en_data_mask = (1 << gpio->ucDataEnShift); 64 i2c.y_clk_mask = (1 << gpio->ucClkY_Shift); 65 i2c.y_data_mask = (1 << gpio->ucDataY_Shift); 66 i2c.a_clk_mask = (1 << gpio->ucClkA_Shift); 67 i2c.a_data_mask = (1 << gpio->ucDataA_Shift); 68 69 if (gpio->sucI2cId.sbfAccess.bfHW_Capable) 70 i2c.hw_capable = true; 71 else 72 i2c.hw_capable = false; 73 74 if (gpio->sucI2cId.ucAccess == 0xa0) 75 i2c.mm_i2c = true; 76 else 77 i2c.mm_i2c = false; 78 79 i2c.i2c_id = gpio->sucI2cId.ucAccess; 80 81 if (i2c.mask_clk_reg) 82 i2c.valid = true; 83 else 84 i2c.valid = false; 85 86 return i2c; 87} 88 89struct amdgpu_i2c_bus_rec amdgpu_atombios_lookup_i2c_gpio(struct amdgpu_device *adev, 90 uint8_t id) 91{ 92 struct atom_context *ctx = adev->mode_info.atom_context; 93 ATOM_GPIO_I2C_ASSIGMENT *gpio; 94 struct amdgpu_i2c_bus_rec i2c; 95 int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info); 96 struct _ATOM_GPIO_I2C_INFO *i2c_info; 97 uint16_t data_offset, size; 98 int i, num_indices; 99 100 memset(&i2c, 0, sizeof(struct amdgpu_i2c_bus_rec)); 101 i2c.valid = false; 102 103 if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) { 104 i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset); 105 106 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / 107 sizeof(ATOM_GPIO_I2C_ASSIGMENT); 108 109 gpio = &i2c_info->asGPIO_Info[0]; 110 for (i = 0; i < num_indices; i++) { 111 112 amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i); 113 114 if (gpio->sucI2cId.ucAccess == id) { 115 i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio); 116 break; 117 } 118 gpio = (ATOM_GPIO_I2C_ASSIGMENT *) 119 ((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT)); 120 } 121 } 122 123 return i2c; 124} 125 126void amdgpu_atombios_i2c_init(struct amdgpu_device *adev) 127{ 128 struct atom_context *ctx = adev->mode_info.atom_context; 129 ATOM_GPIO_I2C_ASSIGMENT *gpio; 130 struct amdgpu_i2c_bus_rec i2c; 131 int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info); 132 struct _ATOM_GPIO_I2C_INFO *i2c_info; 133 uint16_t data_offset, size; 134 int i, num_indices; 135 char stmp[32]; 136 137 if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) { 138 i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset); 139 140 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / 141 sizeof(ATOM_GPIO_I2C_ASSIGMENT); 142 143 gpio = &i2c_info->asGPIO_Info[0]; 144 for (i = 0; i < num_indices; i++) { 145 amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i); 146 147 i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio); 148 149 if (i2c.valid) { 150 sprintf(stmp, "0x%x", i2c.i2c_id); 151 adev->i2c_bus[i] = amdgpu_i2c_create(adev_to_drm(adev), &i2c, stmp); 152 } 153 gpio = (ATOM_GPIO_I2C_ASSIGMENT *) 154 ((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT)); 155 } 156 } 157} 158 159struct amdgpu_gpio_rec 160amdgpu_atombios_lookup_gpio(struct amdgpu_device *adev, 161 u8 id) 162{ 163 struct atom_context *ctx = adev->mode_info.atom_context; 164 struct amdgpu_gpio_rec gpio; 165 int index = GetIndexIntoMasterTable(DATA, GPIO_Pin_LUT); 166 struct _ATOM_GPIO_PIN_LUT *gpio_info; 167 ATOM_GPIO_PIN_ASSIGNMENT *pin; 168 u16 data_offset, size; 169 int i, num_indices; 170 171 memset(&gpio, 0, sizeof(struct amdgpu_gpio_rec)); 172 gpio.valid = false; 173 174 if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) { 175 gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset); 176 177 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / 178 sizeof(ATOM_GPIO_PIN_ASSIGNMENT); 179 180 pin = gpio_info->asGPIO_Pin; 181 for (i = 0; i < num_indices; i++) { 182 if (id == pin->ucGPIO_ID) { 183 gpio.id = pin->ucGPIO_ID; 184 gpio.reg = le16_to_cpu(pin->usGpioPin_AIndex); 185 gpio.shift = pin->ucGpioPinBitShift; 186 gpio.mask = (1 << pin->ucGpioPinBitShift); 187 gpio.valid = true; 188 break; 189 } 190 pin = (ATOM_GPIO_PIN_ASSIGNMENT *) 191 ((u8 *)pin + sizeof(ATOM_GPIO_PIN_ASSIGNMENT)); 192 } 193 } 194 195 return gpio; 196} 197 198static struct amdgpu_hpd 199amdgpu_atombios_get_hpd_info_from_gpio(struct amdgpu_device *adev, 200 struct amdgpu_gpio_rec *gpio) 201{ 202 struct amdgpu_hpd hpd; 203 u32 reg; 204 205 memset(&hpd, 0, sizeof(struct amdgpu_hpd)); 206 207 reg = amdgpu_display_hpd_get_gpio_reg(adev); 208 209 hpd.gpio = *gpio; 210 if (gpio->reg == reg) { 211 switch(gpio->mask) { 212 case (1 << 0): 213 hpd.hpd = AMDGPU_HPD_1; 214 break; 215 case (1 << 8): 216 hpd.hpd = AMDGPU_HPD_2; 217 break; 218 case (1 << 16): 219 hpd.hpd = AMDGPU_HPD_3; 220 break; 221 case (1 << 24): 222 hpd.hpd = AMDGPU_HPD_4; 223 break; 224 case (1 << 26): 225 hpd.hpd = AMDGPU_HPD_5; 226 break; 227 case (1 << 28): 228 hpd.hpd = AMDGPU_HPD_6; 229 break; 230 default: 231 hpd.hpd = AMDGPU_HPD_NONE; 232 break; 233 } 234 } else 235 hpd.hpd = AMDGPU_HPD_NONE; 236 return hpd; 237} 238 239static const int object_connector_convert[] = { 240 DRM_MODE_CONNECTOR_Unknown, 241 DRM_MODE_CONNECTOR_DVII, 242 DRM_MODE_CONNECTOR_DVII, 243 DRM_MODE_CONNECTOR_DVID, 244 DRM_MODE_CONNECTOR_DVID, 245 DRM_MODE_CONNECTOR_VGA, 246 DRM_MODE_CONNECTOR_Composite, 247 DRM_MODE_CONNECTOR_SVIDEO, 248 DRM_MODE_CONNECTOR_Unknown, 249 DRM_MODE_CONNECTOR_Unknown, 250 DRM_MODE_CONNECTOR_9PinDIN, 251 DRM_MODE_CONNECTOR_Unknown, 252 DRM_MODE_CONNECTOR_HDMIA, 253 DRM_MODE_CONNECTOR_HDMIB, 254 DRM_MODE_CONNECTOR_LVDS, 255 DRM_MODE_CONNECTOR_9PinDIN, 256 DRM_MODE_CONNECTOR_Unknown, 257 DRM_MODE_CONNECTOR_Unknown, 258 DRM_MODE_CONNECTOR_Unknown, 259 DRM_MODE_CONNECTOR_DisplayPort, 260 DRM_MODE_CONNECTOR_eDP, 261 DRM_MODE_CONNECTOR_Unknown 262}; 263 264bool amdgpu_atombios_has_dce_engine_info(struct amdgpu_device *adev) 265{ 266 struct amdgpu_mode_info *mode_info = &adev->mode_info; 267 struct atom_context *ctx = mode_info->atom_context; 268 int index = GetIndexIntoMasterTable(DATA, Object_Header); 269 u16 size, data_offset; 270 u8 frev, crev; 271 ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj; 272 ATOM_OBJECT_HEADER *obj_header; 273 274 if (!amdgpu_atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset)) 275 return false; 276 277 if (crev < 2) 278 return false; 279 280 obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset); 281 path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *) 282 (ctx->bios + data_offset + 283 le16_to_cpu(obj_header->usDisplayPathTableOffset)); 284 285 if (path_obj->ucNumOfDispPath) 286 return true; 287 else 288 return false; 289} 290 291bool amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device *adev) 292{ 293 struct amdgpu_mode_info *mode_info = &adev->mode_info; 294 struct atom_context *ctx = mode_info->atom_context; 295 int index = GetIndexIntoMasterTable(DATA, Object_Header); 296 u16 size, data_offset; 297 u8 frev, crev; 298 ATOM_CONNECTOR_OBJECT_TABLE *con_obj; 299 ATOM_ENCODER_OBJECT_TABLE *enc_obj; 300 ATOM_OBJECT_TABLE *router_obj; 301 ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj; 302 ATOM_OBJECT_HEADER *obj_header; 303 int i, j, k, path_size, device_support; 304 int connector_type; 305 u16 conn_id, connector_object_id; 306 struct amdgpu_i2c_bus_rec ddc_bus; 307 struct amdgpu_router router; 308 struct amdgpu_gpio_rec gpio; 309 struct amdgpu_hpd hpd; 310 311 if (!amdgpu_atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset)) 312 return false; 313 314 if (crev < 2) 315 return false; 316 317 obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset); 318 path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *) 319 (ctx->bios + data_offset + 320 le16_to_cpu(obj_header->usDisplayPathTableOffset)); 321 con_obj = (ATOM_CONNECTOR_OBJECT_TABLE *) 322 (ctx->bios + data_offset + 323 le16_to_cpu(obj_header->usConnectorObjectTableOffset)); 324 enc_obj = (ATOM_ENCODER_OBJECT_TABLE *) 325 (ctx->bios + data_offset + 326 le16_to_cpu(obj_header->usEncoderObjectTableOffset)); 327 router_obj = (ATOM_OBJECT_TABLE *) 328 (ctx->bios + data_offset + 329 le16_to_cpu(obj_header->usRouterObjectTableOffset)); 330 device_support = le16_to_cpu(obj_header->usDeviceSupport); 331 332 path_size = 0; 333 for (i = 0; i < path_obj->ucNumOfDispPath; i++) { 334 uint8_t *addr = (uint8_t *) path_obj->asDispPath; 335 ATOM_DISPLAY_OBJECT_PATH *path; 336 addr += path_size; 337 path = (ATOM_DISPLAY_OBJECT_PATH *) addr; 338 path_size += le16_to_cpu(path->usSize); 339 340 if (device_support & le16_to_cpu(path->usDeviceTag)) { 341 uint8_t con_obj_id = 342 (le16_to_cpu(path->usConnObjectId) & OBJECT_ID_MASK) 343 >> OBJECT_ID_SHIFT; 344 345 /* Skip TV/CV support */ 346 if ((le16_to_cpu(path->usDeviceTag) == 347 ATOM_DEVICE_TV1_SUPPORT) || 348 (le16_to_cpu(path->usDeviceTag) == 349 ATOM_DEVICE_CV_SUPPORT)) 350 continue; 351 352 if (con_obj_id >= ARRAY_SIZE(object_connector_convert)) { 353 DRM_ERROR("invalid con_obj_id %d for device tag 0x%04x\n", 354 con_obj_id, le16_to_cpu(path->usDeviceTag)); 355 continue; 356 } 357 358 connector_type = 359 object_connector_convert[con_obj_id]; 360 connector_object_id = con_obj_id; 361 362 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 363 continue; 364 365 router.ddc_valid = false; 366 router.cd_valid = false; 367 for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) { 368 uint8_t grph_obj_type = 369 (le16_to_cpu(path->usGraphicObjIds[j]) & 370 OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT; 371 372 if (grph_obj_type == GRAPH_OBJECT_TYPE_ENCODER) { 373 for (k = 0; k < enc_obj->ucNumberOfObjects; k++) { 374 u16 encoder_obj = le16_to_cpu(enc_obj->asObjects[k].usObjectID); 375 if (le16_to_cpu(path->usGraphicObjIds[j]) == encoder_obj) { 376 ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *) 377 (ctx->bios + data_offset + 378 le16_to_cpu(enc_obj->asObjects[k].usRecordOffset)); 379 ATOM_ENCODER_CAP_RECORD *cap_record; 380 u16 caps = 0; 381 382 while (record->ucRecordSize > 0 && 383 record->ucRecordType > 0 && 384 record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) { 385 switch (record->ucRecordType) { 386 case ATOM_ENCODER_CAP_RECORD_TYPE: 387 cap_record =(ATOM_ENCODER_CAP_RECORD *) 388 record; 389 caps = le16_to_cpu(cap_record->usEncoderCap); 390 break; 391 } 392 record = (ATOM_COMMON_RECORD_HEADER *) 393 ((char *)record + record->ucRecordSize); 394 } 395 amdgpu_display_add_encoder(adev, encoder_obj, 396 le16_to_cpu(path->usDeviceTag), 397 caps); 398 } 399 } 400 } else if (grph_obj_type == GRAPH_OBJECT_TYPE_ROUTER) { 401 for (k = 0; k < router_obj->ucNumberOfObjects; k++) { 402 u16 router_obj_id = le16_to_cpu(router_obj->asObjects[k].usObjectID); 403 if (le16_to_cpu(path->usGraphicObjIds[j]) == router_obj_id) { 404 ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *) 405 (ctx->bios + data_offset + 406 le16_to_cpu(router_obj->asObjects[k].usRecordOffset)); 407 ATOM_I2C_RECORD *i2c_record; 408 ATOM_I2C_ID_CONFIG_ACCESS *i2c_config; 409 ATOM_ROUTER_DDC_PATH_SELECT_RECORD *ddc_path; 410 ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *cd_path; 411 ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *router_src_dst_table = 412 (ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *) 413 (ctx->bios + data_offset + 414 le16_to_cpu(router_obj->asObjects[k].usSrcDstTableOffset)); 415 u8 *num_dst_objs = (u8 *) 416 ((u8 *)router_src_dst_table + 1 + 417 (router_src_dst_table->ucNumberOfSrc * 2)); 418 u16 *dst_objs = (u16 *)(num_dst_objs + 1); 419 int enum_id; 420 421 router.router_id = router_obj_id; 422 for (enum_id = 0; enum_id < (*num_dst_objs); enum_id++) { 423 if (le16_to_cpu(path->usConnObjectId) == 424 le16_to_cpu(dst_objs[enum_id])) 425 break; 426 } 427 428 while (record->ucRecordSize > 0 && 429 record->ucRecordType > 0 && 430 record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) { 431 switch (record->ucRecordType) { 432 case ATOM_I2C_RECORD_TYPE: 433 i2c_record = 434 (ATOM_I2C_RECORD *) 435 record; 436 i2c_config = 437 (ATOM_I2C_ID_CONFIG_ACCESS *) 438 &i2c_record->sucI2cId; 439 router.i2c_info = 440 amdgpu_atombios_lookup_i2c_gpio(adev, 441 i2c_config-> 442 ucAccess); 443 router.i2c_addr = i2c_record->ucI2CAddr >> 1; 444 break; 445 case ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE: 446 ddc_path = (ATOM_ROUTER_DDC_PATH_SELECT_RECORD *) 447 record; 448 router.ddc_valid = true; 449 router.ddc_mux_type = ddc_path->ucMuxType; 450 router.ddc_mux_control_pin = ddc_path->ucMuxControlPin; 451 router.ddc_mux_state = ddc_path->ucMuxState[enum_id]; 452 break; 453 case ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD_TYPE: 454 cd_path = (ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *) 455 record; 456 router.cd_valid = true; 457 router.cd_mux_type = cd_path->ucMuxType; 458 router.cd_mux_control_pin = cd_path->ucMuxControlPin; 459 router.cd_mux_state = cd_path->ucMuxState[enum_id]; 460 break; 461 } 462 record = (ATOM_COMMON_RECORD_HEADER *) 463 ((char *)record + record->ucRecordSize); 464 } 465 } 466 } 467 } 468 } 469 470 /* look up gpio for ddc, hpd */ 471 ddc_bus.valid = false; 472 hpd.hpd = AMDGPU_HPD_NONE; 473 if ((le16_to_cpu(path->usDeviceTag) & 474 (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) == 0) { 475 for (j = 0; j < con_obj->ucNumberOfObjects; j++) { 476 if (le16_to_cpu(path->usConnObjectId) == 477 le16_to_cpu(con_obj->asObjects[j]. 478 usObjectID)) { 479 ATOM_COMMON_RECORD_HEADER 480 *record = 481 (ATOM_COMMON_RECORD_HEADER 482 *) 483 (ctx->bios + data_offset + 484 le16_to_cpu(con_obj-> 485 asObjects[j]. 486 usRecordOffset)); 487 ATOM_I2C_RECORD *i2c_record; 488 ATOM_HPD_INT_RECORD *hpd_record; 489 ATOM_I2C_ID_CONFIG_ACCESS *i2c_config; 490 491 while (record->ucRecordSize > 0 && 492 record->ucRecordType > 0 && 493 record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) { 494 switch (record->ucRecordType) { 495 case ATOM_I2C_RECORD_TYPE: 496 i2c_record = 497 (ATOM_I2C_RECORD *) 498 record; 499 i2c_config = 500 (ATOM_I2C_ID_CONFIG_ACCESS *) 501 &i2c_record->sucI2cId; 502 ddc_bus = amdgpu_atombios_lookup_i2c_gpio(adev, 503 i2c_config-> 504 ucAccess); 505 break; 506 case ATOM_HPD_INT_RECORD_TYPE: 507 hpd_record = 508 (ATOM_HPD_INT_RECORD *) 509 record; 510 gpio = amdgpu_atombios_lookup_gpio(adev, 511 hpd_record->ucHPDIntGPIOID); 512 hpd = amdgpu_atombios_get_hpd_info_from_gpio(adev, &gpio); 513 hpd.plugged_state = hpd_record->ucPlugged_PinState; 514 break; 515 } 516 record = 517 (ATOM_COMMON_RECORD_HEADER 518 *) ((char *)record 519 + 520 record-> 521 ucRecordSize); 522 } 523 break; 524 } 525 } 526 } 527 528 /* needed for aux chan transactions */ 529 ddc_bus.hpd = hpd.hpd; 530 531 conn_id = le16_to_cpu(path->usConnObjectId); 532 533 amdgpu_display_add_connector(adev, 534 conn_id, 535 le16_to_cpu(path->usDeviceTag), 536 connector_type, &ddc_bus, 537 connector_object_id, 538 &hpd, 539 &router); 540 541 } 542 } 543 544 amdgpu_link_encoder_connector(adev_to_drm(adev)); 545 546 return true; 547} 548 549union firmware_info { 550 ATOM_FIRMWARE_INFO info; 551 ATOM_FIRMWARE_INFO_V1_2 info_12; 552 ATOM_FIRMWARE_INFO_V1_3 info_13; 553 ATOM_FIRMWARE_INFO_V1_4 info_14; 554 ATOM_FIRMWARE_INFO_V2_1 info_21; 555 ATOM_FIRMWARE_INFO_V2_2 info_22; 556}; 557 558int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev) 559{ 560 struct amdgpu_mode_info *mode_info = &adev->mode_info; 561 int index = GetIndexIntoMasterTable(DATA, FirmwareInfo); 562 uint8_t frev, crev; 563 uint16_t data_offset; 564 int ret = -EINVAL; 565 566 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, 567 &frev, &crev, &data_offset)) { 568 int i; 569 struct amdgpu_pll *ppll = &adev->clock.ppll[0]; 570 struct amdgpu_pll *spll = &adev->clock.spll; 571 struct amdgpu_pll *mpll = &adev->clock.mpll; 572 union firmware_info *firmware_info = 573 (union firmware_info *)(mode_info->atom_context->bios + 574 data_offset); 575 /* pixel clocks */ 576 ppll->reference_freq = 577 le16_to_cpu(firmware_info->info.usReferenceClock); 578 ppll->reference_div = 0; 579 580 ppll->pll_out_min = 581 le32_to_cpu(firmware_info->info_12.ulMinPixelClockPLL_Output); 582 ppll->pll_out_max = 583 le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output); 584 585 ppll->lcd_pll_out_min = 586 le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100; 587 if (ppll->lcd_pll_out_min == 0) 588 ppll->lcd_pll_out_min = ppll->pll_out_min; 589 ppll->lcd_pll_out_max = 590 le16_to_cpu(firmware_info->info_14.usLcdMaxPixelClockPLL_Output) * 100; 591 if (ppll->lcd_pll_out_max == 0) 592 ppll->lcd_pll_out_max = ppll->pll_out_max; 593 594 if (ppll->pll_out_min == 0) 595 ppll->pll_out_min = 64800; 596 597 ppll->pll_in_min = 598 le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Input); 599 ppll->pll_in_max = 600 le16_to_cpu(firmware_info->info.usMaxPixelClockPLL_Input); 601 602 ppll->min_post_div = 2; 603 ppll->max_post_div = 0x7f; 604 ppll->min_frac_feedback_div = 0; 605 ppll->max_frac_feedback_div = 9; 606 ppll->min_ref_div = 2; 607 ppll->max_ref_div = 0x3ff; 608 ppll->min_feedback_div = 4; 609 ppll->max_feedback_div = 0xfff; 610 ppll->best_vco = 0; 611 612 for (i = 1; i < AMDGPU_MAX_PPLL; i++) 613 adev->clock.ppll[i] = *ppll; 614 615 /* system clock */ 616 spll->reference_freq = 617 le16_to_cpu(firmware_info->info_21.usCoreReferenceClock); 618 spll->reference_div = 0; 619 620 spll->pll_out_min = 621 le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Output); 622 spll->pll_out_max = 623 le32_to_cpu(firmware_info->info.ulMaxEngineClockPLL_Output); 624 625 /* ??? */ 626 if (spll->pll_out_min == 0) 627 spll->pll_out_min = 64800; 628 629 spll->pll_in_min = 630 le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Input); 631 spll->pll_in_max = 632 le16_to_cpu(firmware_info->info.usMaxEngineClockPLL_Input); 633 634 spll->min_post_div = 1; 635 spll->max_post_div = 1; 636 spll->min_ref_div = 2; 637 spll->max_ref_div = 0xff; 638 spll->min_feedback_div = 4; 639 spll->max_feedback_div = 0xff; 640 spll->best_vco = 0; 641 642 /* memory clock */ 643 mpll->reference_freq = 644 le16_to_cpu(firmware_info->info_21.usMemoryReferenceClock); 645 mpll->reference_div = 0; 646 647 mpll->pll_out_min = 648 le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Output); 649 mpll->pll_out_max = 650 le32_to_cpu(firmware_info->info.ulMaxMemoryClockPLL_Output); 651 652 /* ??? */ 653 if (mpll->pll_out_min == 0) 654 mpll->pll_out_min = 64800; 655 656 mpll->pll_in_min = 657 le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Input); 658 mpll->pll_in_max = 659 le16_to_cpu(firmware_info->info.usMaxMemoryClockPLL_Input); 660 661 adev->clock.default_sclk = 662 le32_to_cpu(firmware_info->info.ulDefaultEngineClock); 663 adev->clock.default_mclk = 664 le32_to_cpu(firmware_info->info.ulDefaultMemoryClock); 665 666 mpll->min_post_div = 1; 667 mpll->max_post_div = 1; 668 mpll->min_ref_div = 2; 669 mpll->max_ref_div = 0xff; 670 mpll->min_feedback_div = 4; 671 mpll->max_feedback_div = 0xff; 672 mpll->best_vco = 0; 673 674 /* disp clock */ 675 adev->clock.default_dispclk = 676 le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq); 677 /* set a reasonable default for DP */ 678 if (adev->clock.default_dispclk < 53900) { 679 DRM_DEBUG("Changing default dispclk from %dMhz to 600Mhz\n", 680 adev->clock.default_dispclk / 100); 681 adev->clock.default_dispclk = 60000; 682 } else if (adev->clock.default_dispclk <= 60000) { 683 DRM_DEBUG("Changing default dispclk from %dMhz to 625Mhz\n", 684 adev->clock.default_dispclk / 100); 685 adev->clock.default_dispclk = 62500; 686 } 687 adev->clock.dp_extclk = 688 le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq); 689 adev->clock.current_dispclk = adev->clock.default_dispclk; 690 691 adev->clock.max_pixel_clock = le16_to_cpu(firmware_info->info.usMaxPixelClock); 692 if (adev->clock.max_pixel_clock == 0) 693 adev->clock.max_pixel_clock = 40000; 694 695 /* not technically a clock, but... */ 696 adev->mode_info.firmware_flags = 697 le16_to_cpu(firmware_info->info.usFirmwareCapability.susAccess); 698 699 ret = 0; 700 } 701 702 adev->pm.current_sclk = adev->clock.default_sclk; 703 adev->pm.current_mclk = adev->clock.default_mclk; 704 705 return ret; 706} 707 708union gfx_info { 709 ATOM_GFX_INFO_V2_1 info; 710}; 711 712int amdgpu_atombios_get_gfx_info(struct amdgpu_device *adev) 713{ 714 struct amdgpu_mode_info *mode_info = &adev->mode_info; 715 int index = GetIndexIntoMasterTable(DATA, GFX_Info); 716 uint8_t frev, crev; 717 uint16_t data_offset; 718 int ret = -EINVAL; 719 720 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, 721 &frev, &crev, &data_offset)) { 722 union gfx_info *gfx_info = (union gfx_info *) 723 (mode_info->atom_context->bios + data_offset); 724 725 adev->gfx.config.max_shader_engines = gfx_info->info.max_shader_engines; 726 adev->gfx.config.max_tile_pipes = gfx_info->info.max_tile_pipes; 727 adev->gfx.config.max_cu_per_sh = gfx_info->info.max_cu_per_sh; 728 adev->gfx.config.max_sh_per_se = gfx_info->info.max_sh_per_se; 729 adev->gfx.config.max_backends_per_se = gfx_info->info.max_backends_per_se; 730 adev->gfx.config.max_texture_channel_caches = 731 gfx_info->info.max_texture_channel_caches; 732 733 ret = 0; 734 } 735 return ret; 736} 737 738union igp_info { 739 struct _ATOM_INTEGRATED_SYSTEM_INFO info; 740 struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2; 741 struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6; 742 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7; 743 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8; 744 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_9 info_9; 745}; 746 747/* 748 * Return vram width from integrated system info table, if available, 749 * or 0 if not. 750 */ 751int amdgpu_atombios_get_vram_width(struct amdgpu_device *adev) 752{ 753 struct amdgpu_mode_info *mode_info = &adev->mode_info; 754 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo); 755 u16 data_offset, size; 756 union igp_info *igp_info; 757 u8 frev, crev; 758 759 /* get any igp specific overrides */ 760 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size, 761 &frev, &crev, &data_offset)) { 762 igp_info = (union igp_info *) 763 (mode_info->atom_context->bios + data_offset); 764 switch (crev) { 765 case 8: 766 case 9: 767 return igp_info->info_8.ucUMAChannelNumber * 64; 768 default: 769 return 0; 770 } 771 } 772 773 return 0; 774} 775 776static void amdgpu_atombios_get_igp_ss_overrides(struct amdgpu_device *adev, 777 struct amdgpu_atom_ss *ss, 778 int id) 779{ 780 struct amdgpu_mode_info *mode_info = &adev->mode_info; 781 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo); 782 u16 data_offset, size; 783 union igp_info *igp_info; 784 u8 frev, crev; 785 u16 percentage = 0, rate = 0; 786 787 /* get any igp specific overrides */ 788 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size, 789 &frev, &crev, &data_offset)) { 790 igp_info = (union igp_info *) 791 (mode_info->atom_context->bios + data_offset); 792 switch (crev) { 793 case 6: 794 switch (id) { 795 case ASIC_INTERNAL_SS_ON_TMDS: 796 percentage = le16_to_cpu(igp_info->info_6.usDVISSPercentage); 797 rate = le16_to_cpu(igp_info->info_6.usDVISSpreadRateIn10Hz); 798 break; 799 case ASIC_INTERNAL_SS_ON_HDMI: 800 percentage = le16_to_cpu(igp_info->info_6.usHDMISSPercentage); 801 rate = le16_to_cpu(igp_info->info_6.usHDMISSpreadRateIn10Hz); 802 break; 803 case ASIC_INTERNAL_SS_ON_LVDS: 804 percentage = le16_to_cpu(igp_info->info_6.usLvdsSSPercentage); 805 rate = le16_to_cpu(igp_info->info_6.usLvdsSSpreadRateIn10Hz); 806 break; 807 } 808 break; 809 case 7: 810 switch (id) { 811 case ASIC_INTERNAL_SS_ON_TMDS: 812 percentage = le16_to_cpu(igp_info->info_7.usDVISSPercentage); 813 rate = le16_to_cpu(igp_info->info_7.usDVISSpreadRateIn10Hz); 814 break; 815 case ASIC_INTERNAL_SS_ON_HDMI: 816 percentage = le16_to_cpu(igp_info->info_7.usHDMISSPercentage); 817 rate = le16_to_cpu(igp_info->info_7.usHDMISSpreadRateIn10Hz); 818 break; 819 case ASIC_INTERNAL_SS_ON_LVDS: 820 percentage = le16_to_cpu(igp_info->info_7.usLvdsSSPercentage); 821 rate = le16_to_cpu(igp_info->info_7.usLvdsSSpreadRateIn10Hz); 822 break; 823 } 824 break; 825 case 8: 826 switch (id) { 827 case ASIC_INTERNAL_SS_ON_TMDS: 828 percentage = le16_to_cpu(igp_info->info_8.usDVISSPercentage); 829 rate = le16_to_cpu(igp_info->info_8.usDVISSpreadRateIn10Hz); 830 break; 831 case ASIC_INTERNAL_SS_ON_HDMI: 832 percentage = le16_to_cpu(igp_info->info_8.usHDMISSPercentage); 833 rate = le16_to_cpu(igp_info->info_8.usHDMISSpreadRateIn10Hz); 834 break; 835 case ASIC_INTERNAL_SS_ON_LVDS: 836 percentage = le16_to_cpu(igp_info->info_8.usLvdsSSPercentage); 837 rate = le16_to_cpu(igp_info->info_8.usLvdsSSpreadRateIn10Hz); 838 break; 839 } 840 break; 841 case 9: 842 switch (id) { 843 case ASIC_INTERNAL_SS_ON_TMDS: 844 percentage = le16_to_cpu(igp_info->info_9.usDVISSPercentage); 845 rate = le16_to_cpu(igp_info->info_9.usDVISSpreadRateIn10Hz); 846 break; 847 case ASIC_INTERNAL_SS_ON_HDMI: 848 percentage = le16_to_cpu(igp_info->info_9.usHDMISSPercentage); 849 rate = le16_to_cpu(igp_info->info_9.usHDMISSpreadRateIn10Hz); 850 break; 851 case ASIC_INTERNAL_SS_ON_LVDS: 852 percentage = le16_to_cpu(igp_info->info_9.usLvdsSSPercentage); 853 rate = le16_to_cpu(igp_info->info_9.usLvdsSSpreadRateIn10Hz); 854 break; 855 } 856 break; 857 default: 858 DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev); 859 break; 860 } 861 if (percentage) 862 ss->percentage = percentage; 863 if (rate) 864 ss->rate = rate; 865 } 866} 867 868union asic_ss_info { 869 struct _ATOM_ASIC_INTERNAL_SS_INFO info; 870 struct _ATOM_ASIC_INTERNAL_SS_INFO_V2 info_2; 871 struct _ATOM_ASIC_INTERNAL_SS_INFO_V3 info_3; 872}; 873 874union asic_ss_assignment { 875 struct _ATOM_ASIC_SS_ASSIGNMENT v1; 876 struct _ATOM_ASIC_SS_ASSIGNMENT_V2 v2; 877 struct _ATOM_ASIC_SS_ASSIGNMENT_V3 v3; 878}; 879 880bool amdgpu_atombios_get_asic_ss_info(struct amdgpu_device *adev, 881 struct amdgpu_atom_ss *ss, 882 int id, u32 clock) 883{ 884 struct amdgpu_mode_info *mode_info = &adev->mode_info; 885 int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info); 886 uint16_t data_offset, size; 887 union asic_ss_info *ss_info; 888 union asic_ss_assignment *ss_assign; 889 uint8_t frev, crev; 890 int i, num_indices; 891 892 if (id == ASIC_INTERNAL_MEMORY_SS) { 893 if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_MEMORY_CLOCK_SS_SUPPORT)) 894 return false; 895 } 896 if (id == ASIC_INTERNAL_ENGINE_SS) { 897 if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT)) 898 return false; 899 } 900 901 memset(ss, 0, sizeof(struct amdgpu_atom_ss)); 902 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size, 903 &frev, &crev, &data_offset)) { 904 905 ss_info = 906 (union asic_ss_info *)(mode_info->atom_context->bios + data_offset); 907 908 switch (frev) { 909 case 1: 910 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / 911 sizeof(ATOM_ASIC_SS_ASSIGNMENT); 912 913 ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info.asSpreadSpectrum[0]); 914 for (i = 0; i < num_indices; i++) { 915 if ((ss_assign->v1.ucClockIndication == id) && 916 (clock <= le32_to_cpu(ss_assign->v1.ulTargetClockRange))) { 917 ss->percentage = 918 le16_to_cpu(ss_assign->v1.usSpreadSpectrumPercentage); 919 ss->type = ss_assign->v1.ucSpreadSpectrumMode; 920 ss->rate = le16_to_cpu(ss_assign->v1.usSpreadRateInKhz); 921 ss->percentage_divider = 100; 922 return true; 923 } 924 ss_assign = (union asic_ss_assignment *) 925 ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT)); 926 } 927 break; 928 case 2: 929 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / 930 sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2); 931 ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_2.asSpreadSpectrum[0]); 932 for (i = 0; i < num_indices; i++) { 933 if ((ss_assign->v2.ucClockIndication == id) && 934 (clock <= le32_to_cpu(ss_assign->v2.ulTargetClockRange))) { 935 ss->percentage = 936 le16_to_cpu(ss_assign->v2.usSpreadSpectrumPercentage); 937 ss->type = ss_assign->v2.ucSpreadSpectrumMode; 938 ss->rate = le16_to_cpu(ss_assign->v2.usSpreadRateIn10Hz); 939 ss->percentage_divider = 100; 940 if ((crev == 2) && 941 ((id == ASIC_INTERNAL_ENGINE_SS) || 942 (id == ASIC_INTERNAL_MEMORY_SS))) 943 ss->rate /= 100; 944 return true; 945 } 946 ss_assign = (union asic_ss_assignment *) 947 ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2)); 948 } 949 break; 950 case 3: 951 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / 952 sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3); 953 ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_3.asSpreadSpectrum[0]); 954 for (i = 0; i < num_indices; i++) { 955 if ((ss_assign->v3.ucClockIndication == id) && 956 (clock <= le32_to_cpu(ss_assign->v3.ulTargetClockRange))) { 957 ss->percentage = 958 le16_to_cpu(ss_assign->v3.usSpreadSpectrumPercentage); 959 ss->type = ss_assign->v3.ucSpreadSpectrumMode; 960 ss->rate = le16_to_cpu(ss_assign->v3.usSpreadRateIn10Hz); 961 if (ss_assign->v3.ucSpreadSpectrumMode & 962 SS_MODE_V3_PERCENTAGE_DIV_BY_1000_MASK) 963 ss->percentage_divider = 1000; 964 else 965 ss->percentage_divider = 100; 966 if ((id == ASIC_INTERNAL_ENGINE_SS) || 967 (id == ASIC_INTERNAL_MEMORY_SS)) 968 ss->rate /= 100; 969 if (adev->flags & AMD_IS_APU) 970 amdgpu_atombios_get_igp_ss_overrides(adev, ss, id); 971 return true; 972 } 973 ss_assign = (union asic_ss_assignment *) 974 ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3)); 975 } 976 break; 977 default: 978 DRM_ERROR("Unsupported ASIC_InternalSS_Info table: %d %d\n", frev, crev); 979 break; 980 } 981 982 } 983 return false; 984} 985 986union get_clock_dividers { 987 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS v1; 988 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V2 v2; 989 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V3 v3; 990 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V4 v4; 991 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V5 v5; 992 struct _COMPUTE_GPU_CLOCK_INPUT_PARAMETERS_V1_6 v6_in; 993 struct _COMPUTE_GPU_CLOCK_OUTPUT_PARAMETERS_V1_6 v6_out; 994}; 995 996int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev, 997 u8 clock_type, 998 u32 clock, 999 bool strobe_mode, 1000 struct atom_clock_dividers *dividers) 1001{ 1002 union get_clock_dividers args; 1003 int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL); 1004 u8 frev, crev; 1005 1006 memset(&args, 0, sizeof(args)); 1007 memset(dividers, 0, sizeof(struct atom_clock_dividers)); 1008 1009 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev)) 1010 return -EINVAL; 1011 1012 switch (crev) { 1013 case 2: 1014 case 3: 1015 case 5: 1016 /* r6xx, r7xx, evergreen, ni, si. 1017 * TODO: add support for asic_type <= CHIP_RV770*/ 1018 if (clock_type == COMPUTE_ENGINE_PLL_PARAM) { 1019 args.v3.ulClockParams = cpu_to_le32((clock_type << 24) | clock); 1020 1021 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, 1022 sizeof(args)); 1023 1024 dividers->post_div = args.v3.ucPostDiv; 1025 dividers->enable_post_div = (args.v3.ucCntlFlag & 1026 ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false; 1027 dividers->enable_dithen = (args.v3.ucCntlFlag & 1028 ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true; 1029 dividers->whole_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDiv); 1030 dividers->frac_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDivFrac); 1031 dividers->ref_div = args.v3.ucRefDiv; 1032 dividers->vco_mode = (args.v3.ucCntlFlag & 1033 ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0; 1034 } else { 1035 /* for SI we use ComputeMemoryClockParam for memory plls */ 1036 if (adev->asic_type >= CHIP_TAHITI) 1037 return -EINVAL; 1038 args.v5.ulClockParams = cpu_to_le32((clock_type << 24) | clock); 1039 if (strobe_mode) 1040 args.v5.ucInputFlag = ATOM_PLL_INPUT_FLAG_PLL_STROBE_MODE_EN; 1041 1042 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, 1043 sizeof(args)); 1044 1045 dividers->post_div = args.v5.ucPostDiv; 1046 dividers->enable_post_div = (args.v5.ucCntlFlag & 1047 ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false; 1048 dividers->enable_dithen = (args.v5.ucCntlFlag & 1049 ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true; 1050 dividers->whole_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDiv); 1051 dividers->frac_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDivFrac); 1052 dividers->ref_div = args.v5.ucRefDiv; 1053 dividers->vco_mode = (args.v5.ucCntlFlag & 1054 ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0; 1055 } 1056 break; 1057 case 4: 1058 /* fusion */ 1059 args.v4.ulClock = cpu_to_le32(clock); /* 10 khz */ 1060 1061 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, 1062 sizeof(args)); 1063 1064 dividers->post_divider = dividers->post_div = args.v4.ucPostDiv; 1065 dividers->real_clock = le32_to_cpu(args.v4.ulClock); 1066 break; 1067 case 6: 1068 /* CI */ 1069 /* COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, COMPUTE_GPUCLK_INPUT_FLAG_SCLK */ 1070 args.v6_in.ulClock.ulComputeClockFlag = clock_type; 1071 args.v6_in.ulClock.ulClockFreq = cpu_to_le32(clock); /* 10 khz */ 1072 1073 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, 1074 sizeof(args)); 1075 1076 dividers->whole_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDiv); 1077 dividers->frac_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDivFrac); 1078 dividers->ref_div = args.v6_out.ucPllRefDiv; 1079 dividers->post_div = args.v6_out.ucPllPostDiv; 1080 dividers->flags = args.v6_out.ucPllCntlFlag; 1081 dividers->real_clock = le32_to_cpu(args.v6_out.ulClock.ulClock); 1082 dividers->post_divider = args.v6_out.ulClock.ucPostDiv; 1083 break; 1084 default: 1085 return -EINVAL; 1086 } 1087 return 0; 1088} 1089 1090#ifdef CONFIG_DRM_AMDGPU_SI 1091int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev, 1092 u32 clock, 1093 bool strobe_mode, 1094 struct atom_mpll_param *mpll_param) 1095{ 1096 COMPUTE_MEMORY_CLOCK_PARAM_PARAMETERS_V2_1 args; 1097 int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam); 1098 u8 frev, crev; 1099 1100 memset(&args, 0, sizeof(args)); 1101 memset(mpll_param, 0, sizeof(struct atom_mpll_param)); 1102 1103 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev)) 1104 return -EINVAL; 1105 1106 switch (frev) { 1107 case 2: 1108 switch (crev) { 1109 case 1: 1110 /* SI */ 1111 args.ulClock = cpu_to_le32(clock); /* 10 khz */ 1112 args.ucInputFlag = 0; 1113 if (strobe_mode) 1114 args.ucInputFlag |= MPLL_INPUT_FLAG_STROBE_MODE_EN; 1115 1116 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, 1117 sizeof(args)); 1118 1119 mpll_param->clkfrac = le16_to_cpu(args.ulFbDiv.usFbDivFrac); 1120 mpll_param->clkf = le16_to_cpu(args.ulFbDiv.usFbDiv); 1121 mpll_param->post_div = args.ucPostDiv; 1122 mpll_param->dll_speed = args.ucDllSpeed; 1123 mpll_param->bwcntl = args.ucBWCntl; 1124 mpll_param->vco_mode = 1125 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_VCO_MODE_MASK); 1126 mpll_param->yclk_sel = 1127 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_BYPASS_DQ_PLL) ? 1 : 0; 1128 mpll_param->qdr = 1129 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_QDR_ENABLE) ? 1 : 0; 1130 mpll_param->half_rate = 1131 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_AD_HALF_RATE) ? 1 : 0; 1132 break; 1133 default: 1134 return -EINVAL; 1135 } 1136 break; 1137 default: 1138 return -EINVAL; 1139 } 1140 return 0; 1141} 1142 1143void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev, 1144 u32 eng_clock, u32 mem_clock) 1145{ 1146 SET_ENGINE_CLOCK_PS_ALLOCATION args; 1147 int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings); 1148 u32 tmp; 1149 1150 memset(&args, 0, sizeof(args)); 1151 1152 tmp = eng_clock & SET_CLOCK_FREQ_MASK; 1153 tmp |= (COMPUTE_ENGINE_PLL_PARAM << 24); 1154 1155 args.ulTargetEngineClock = cpu_to_le32(tmp); 1156 if (mem_clock) 1157 args.sReserved.ulClock = cpu_to_le32(mem_clock & SET_CLOCK_FREQ_MASK); 1158 1159 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, 1160 sizeof(args)); 1161} 1162 1163void amdgpu_atombios_get_default_voltages(struct amdgpu_device *adev, 1164 u16 *vddc, u16 *vddci, u16 *mvdd) 1165{ 1166 struct amdgpu_mode_info *mode_info = &adev->mode_info; 1167 int index = GetIndexIntoMasterTable(DATA, FirmwareInfo); 1168 u8 frev, crev; 1169 u16 data_offset; 1170 union firmware_info *firmware_info; 1171 1172 *vddc = 0; 1173 *vddci = 0; 1174 *mvdd = 0; 1175 1176 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, 1177 &frev, &crev, &data_offset)) { 1178 firmware_info = 1179 (union firmware_info *)(mode_info->atom_context->bios + 1180 data_offset); 1181 *vddc = le16_to_cpu(firmware_info->info_14.usBootUpVDDCVoltage); 1182 if ((frev == 2) && (crev >= 2)) { 1183 *vddci = le16_to_cpu(firmware_info->info_22.usBootUpVDDCIVoltage); 1184 *mvdd = le16_to_cpu(firmware_info->info_22.usBootUpMVDDCVoltage); 1185 } 1186 } 1187} 1188 1189union set_voltage { 1190 struct _SET_VOLTAGE_PS_ALLOCATION alloc; 1191 struct _SET_VOLTAGE_PARAMETERS v1; 1192 struct _SET_VOLTAGE_PARAMETERS_V2 v2; 1193 struct _SET_VOLTAGE_PARAMETERS_V1_3 v3; 1194}; 1195 1196int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type, 1197 u16 voltage_id, u16 *voltage) 1198{ 1199 union set_voltage args; 1200 int index = GetIndexIntoMasterTable(COMMAND, SetVoltage); 1201 u8 frev, crev; 1202 1203 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev)) 1204 return -EINVAL; 1205 1206 switch (crev) { 1207 case 1: 1208 return -EINVAL; 1209 case 2: 1210 args.v2.ucVoltageType = SET_VOLTAGE_GET_MAX_VOLTAGE; 1211 args.v2.ucVoltageMode = 0; 1212 args.v2.usVoltageLevel = 0; 1213 1214 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, 1215 sizeof(args)); 1216 1217 *voltage = le16_to_cpu(args.v2.usVoltageLevel); 1218 break; 1219 case 3: 1220 args.v3.ucVoltageType = voltage_type; 1221 args.v3.ucVoltageMode = ATOM_GET_VOLTAGE_LEVEL; 1222 args.v3.usVoltageLevel = cpu_to_le16(voltage_id); 1223 1224 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, 1225 sizeof(args)); 1226 1227 *voltage = le16_to_cpu(args.v3.usVoltageLevel); 1228 break; 1229 default: 1230 DRM_ERROR("Unknown table version %d, %d\n", frev, crev); 1231 return -EINVAL; 1232 } 1233 1234 return 0; 1235} 1236 1237int amdgpu_atombios_get_leakage_vddc_based_on_leakage_idx(struct amdgpu_device *adev, 1238 u16 *voltage, 1239 u16 leakage_idx) 1240{ 1241 return amdgpu_atombios_get_max_vddc(adev, VOLTAGE_TYPE_VDDC, leakage_idx, voltage); 1242} 1243 1244union voltage_object_info { 1245 struct _ATOM_VOLTAGE_OBJECT_INFO v1; 1246 struct _ATOM_VOLTAGE_OBJECT_INFO_V2 v2; 1247 struct _ATOM_VOLTAGE_OBJECT_INFO_V3_1 v3; 1248}; 1249 1250union voltage_object { 1251 struct _ATOM_VOLTAGE_OBJECT v1; 1252 struct _ATOM_VOLTAGE_OBJECT_V2 v2; 1253 union _ATOM_VOLTAGE_OBJECT_V3 v3; 1254}; 1255 1256 1257static ATOM_VOLTAGE_OBJECT_V3 *amdgpu_atombios_lookup_voltage_object_v3(ATOM_VOLTAGE_OBJECT_INFO_V3_1 *v3, 1258 u8 voltage_type, u8 voltage_mode) 1259{ 1260 u32 size = le16_to_cpu(v3->sHeader.usStructureSize); 1261 u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO_V3_1, asVoltageObj[0]); 1262 u8 *start = (u8 *)v3; 1263 1264 while (offset < size) { 1265 ATOM_VOLTAGE_OBJECT_V3 *vo = (ATOM_VOLTAGE_OBJECT_V3 *)(start + offset); 1266 if ((vo->asGpioVoltageObj.sHeader.ucVoltageType == voltage_type) && 1267 (vo->asGpioVoltageObj.sHeader.ucVoltageMode == voltage_mode)) 1268 return vo; 1269 offset += le16_to_cpu(vo->asGpioVoltageObj.sHeader.usSize); 1270 } 1271 return NULL; 1272} 1273 1274int amdgpu_atombios_get_svi2_info(struct amdgpu_device *adev, 1275 u8 voltage_type, 1276 u8 *svd_gpio_id, u8 *svc_gpio_id) 1277{ 1278 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo); 1279 u8 frev, crev; 1280 u16 data_offset, size; 1281 union voltage_object_info *voltage_info; 1282 union voltage_object *voltage_object = NULL; 1283 1284 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size, 1285 &frev, &crev, &data_offset)) { 1286 voltage_info = (union voltage_object_info *) 1287 (adev->mode_info.atom_context->bios + data_offset); 1288 1289 switch (frev) { 1290 case 3: 1291 switch (crev) { 1292 case 1: 1293 voltage_object = (union voltage_object *) 1294 amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3, 1295 voltage_type, 1296 VOLTAGE_OBJ_SVID2); 1297 if (voltage_object) { 1298 *svd_gpio_id = voltage_object->v3.asSVID2Obj.ucSVDGpioId; 1299 *svc_gpio_id = voltage_object->v3.asSVID2Obj.ucSVCGpioId; 1300 } else { 1301 return -EINVAL; 1302 } 1303 break; 1304 default: 1305 DRM_ERROR("unknown voltage object table\n"); 1306 return -EINVAL; 1307 } 1308 break; 1309 default: 1310 DRM_ERROR("unknown voltage object table\n"); 1311 return -EINVAL; 1312 } 1313 1314 } 1315 return 0; 1316} 1317 1318bool 1319amdgpu_atombios_is_voltage_gpio(struct amdgpu_device *adev, 1320 u8 voltage_type, u8 voltage_mode) 1321{ 1322 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo); 1323 u8 frev, crev; 1324 u16 data_offset, size; 1325 union voltage_object_info *voltage_info; 1326 1327 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size, 1328 &frev, &crev, &data_offset)) { 1329 voltage_info = (union voltage_object_info *) 1330 (adev->mode_info.atom_context->bios + data_offset); 1331 1332 switch (frev) { 1333 case 3: 1334 switch (crev) { 1335 case 1: 1336 if (amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3, 1337 voltage_type, voltage_mode)) 1338 return true; 1339 break; 1340 default: 1341 DRM_ERROR("unknown voltage object table\n"); 1342 return false; 1343 } 1344 break; 1345 default: 1346 DRM_ERROR("unknown voltage object table\n"); 1347 return false; 1348 } 1349 1350 } 1351 return false; 1352} 1353 1354int amdgpu_atombios_get_voltage_table(struct amdgpu_device *adev, 1355 u8 voltage_type, u8 voltage_mode, 1356 struct atom_voltage_table *voltage_table) 1357{ 1358 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo); 1359 u8 frev, crev; 1360 u16 data_offset, size; 1361 int i; 1362 union voltage_object_info *voltage_info; 1363 union voltage_object *voltage_object = NULL; 1364 1365 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size, 1366 &frev, &crev, &data_offset)) { 1367 voltage_info = (union voltage_object_info *) 1368 (adev->mode_info.atom_context->bios + data_offset); 1369 1370 switch (frev) { 1371 case 3: 1372 switch (crev) { 1373 case 1: 1374 voltage_object = (union voltage_object *) 1375 amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3, 1376 voltage_type, voltage_mode); 1377 if (voltage_object) { 1378 ATOM_GPIO_VOLTAGE_OBJECT_V3 *gpio = 1379 &voltage_object->v3.asGpioVoltageObj; 1380 VOLTAGE_LUT_ENTRY_V2 *lut; 1381 if (gpio->ucGpioEntryNum > MAX_VOLTAGE_ENTRIES) 1382 return -EINVAL; 1383 lut = &gpio->asVolGpioLut[0]; 1384 for (i = 0; i < gpio->ucGpioEntryNum; i++) { 1385 voltage_table->entries[i].value = 1386 le16_to_cpu(lut->usVoltageValue); 1387 voltage_table->entries[i].smio_low = 1388 le32_to_cpu(lut->ulVoltageId); 1389 lut = (VOLTAGE_LUT_ENTRY_V2 *) 1390 ((u8 *)lut + sizeof(VOLTAGE_LUT_ENTRY_V2)); 1391 } 1392 voltage_table->mask_low = le32_to_cpu(gpio->ulGpioMaskVal); 1393 voltage_table->count = gpio->ucGpioEntryNum; 1394 voltage_table->phase_delay = gpio->ucPhaseDelay; 1395 return 0; 1396 } 1397 break; 1398 default: 1399 DRM_ERROR("unknown voltage object table\n"); 1400 return -EINVAL; 1401 } 1402 break; 1403 default: 1404 DRM_ERROR("unknown voltage object table\n"); 1405 return -EINVAL; 1406 } 1407 } 1408 return -EINVAL; 1409} 1410 1411union vram_info { 1412 struct _ATOM_VRAM_INFO_V3 v1_3; 1413 struct _ATOM_VRAM_INFO_V4 v1_4; 1414 struct _ATOM_VRAM_INFO_HEADER_V2_1 v2_1; 1415}; 1416 1417#define MEM_ID_MASK 0xff000000 1418#define MEM_ID_SHIFT 24 1419#define CLOCK_RANGE_MASK 0x00ffffff 1420#define CLOCK_RANGE_SHIFT 0 1421#define LOW_NIBBLE_MASK 0xf 1422#define DATA_EQU_PREV 0 1423#define DATA_FROM_TABLE 4 1424 1425int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev, 1426 u8 module_index, 1427 struct atom_mc_reg_table *reg_table) 1428{ 1429 int index = GetIndexIntoMasterTable(DATA, VRAM_Info); 1430 u8 frev, crev, num_entries, t_mem_id, num_ranges = 0; 1431 u32 i = 0, j; 1432 u16 data_offset, size; 1433 union vram_info *vram_info; 1434 1435 memset(reg_table, 0, sizeof(struct atom_mc_reg_table)); 1436 1437 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size, 1438 &frev, &crev, &data_offset)) { 1439 vram_info = (union vram_info *) 1440 (adev->mode_info.atom_context->bios + data_offset); 1441 switch (frev) { 1442 case 1: 1443 DRM_ERROR("old table version %d, %d\n", frev, crev); 1444 return -EINVAL; 1445 case 2: 1446 switch (crev) { 1447 case 1: 1448 if (module_index < vram_info->v2_1.ucNumOfVRAMModule) { 1449 ATOM_INIT_REG_BLOCK *reg_block = 1450 (ATOM_INIT_REG_BLOCK *) 1451 ((u8 *)vram_info + le16_to_cpu(vram_info->v2_1.usMemClkPatchTblOffset)); 1452 ATOM_MEMORY_SETTING_DATA_BLOCK *reg_data = 1453 (ATOM_MEMORY_SETTING_DATA_BLOCK *) 1454 ((u8 *)reg_block + (2 * sizeof(u16)) + 1455 le16_to_cpu(reg_block->usRegIndexTblSize)); 1456 ATOM_INIT_REG_INDEX_FORMAT *format = ®_block->asRegIndexBuf[0]; 1457 num_entries = (u8)((le16_to_cpu(reg_block->usRegIndexTblSize)) / 1458 sizeof(ATOM_INIT_REG_INDEX_FORMAT)) - 1; 1459 if (num_entries > VBIOS_MC_REGISTER_ARRAY_SIZE) 1460 return -EINVAL; 1461 while (i < num_entries) { 1462 if (format->ucPreRegDataLength & ACCESS_PLACEHOLDER) 1463 break; 1464 reg_table->mc_reg_address[i].s1 = 1465 (u16)(le16_to_cpu(format->usRegIndex)); 1466 reg_table->mc_reg_address[i].pre_reg_data = 1467 (u8)(format->ucPreRegDataLength); 1468 i++; 1469 format = (ATOM_INIT_REG_INDEX_FORMAT *) 1470 ((u8 *)format + sizeof(ATOM_INIT_REG_INDEX_FORMAT)); 1471 } 1472 reg_table->last = i; 1473 while ((le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK) && 1474 (num_ranges < VBIOS_MAX_AC_TIMING_ENTRIES)) { 1475 t_mem_id = (u8)((le32_to_cpu(*(u32 *)reg_data) & MEM_ID_MASK) 1476 >> MEM_ID_SHIFT); 1477 if (module_index == t_mem_id) { 1478 reg_table->mc_reg_table_entry[num_ranges].mclk_max = 1479 (u32)((le32_to_cpu(*(u32 *)reg_data) & CLOCK_RANGE_MASK) 1480 >> CLOCK_RANGE_SHIFT); 1481 for (i = 0, j = 1; i < reg_table->last; i++) { 1482 if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_FROM_TABLE) { 1483 reg_table->mc_reg_table_entry[num_ranges].mc_data[i] = 1484 (u32)le32_to_cpu(*((u32 *)reg_data + j)); 1485 j++; 1486 } else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) { 1487 reg_table->mc_reg_table_entry[num_ranges].mc_data[i] = 1488 reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1]; 1489 } 1490 } 1491 num_ranges++; 1492 } 1493 reg_data = (ATOM_MEMORY_SETTING_DATA_BLOCK *) 1494 ((u8 *)reg_data + le16_to_cpu(reg_block->usRegDataBlkSize)); 1495 } 1496 if (le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK) 1497 return -EINVAL; 1498 reg_table->num_entries = num_ranges; 1499 } else 1500 return -EINVAL; 1501 break; 1502 default: 1503 DRM_ERROR("Unknown table version %d, %d\n", frev, crev); 1504 return -EINVAL; 1505 } 1506 break; 1507 default: 1508 DRM_ERROR("Unknown table version %d, %d\n", frev, crev); 1509 return -EINVAL; 1510 } 1511 return 0; 1512 } 1513 return -EINVAL; 1514} 1515#endif 1516 1517bool amdgpu_atombios_has_gpu_virtualization_table(struct amdgpu_device *adev) 1518{ 1519 int index = GetIndexIntoMasterTable(DATA, GPUVirtualizationInfo); 1520 u8 frev, crev; 1521 u16 data_offset, size; 1522 1523 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size, 1524 &frev, &crev, &data_offset)) 1525 return true; 1526 1527 return false; 1528} 1529 1530void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock) 1531{ 1532 uint32_t bios_6_scratch; 1533 1534 bios_6_scratch = RREG32(adev->bios_scratch_reg_offset + 6); 1535 1536 if (lock) { 1537 bios_6_scratch |= ATOM_S6_CRITICAL_STATE; 1538 bios_6_scratch &= ~ATOM_S6_ACC_MODE; 1539 } else { 1540 bios_6_scratch &= ~ATOM_S6_CRITICAL_STATE; 1541 bios_6_scratch |= ATOM_S6_ACC_MODE; 1542 } 1543 1544 WREG32(adev->bios_scratch_reg_offset + 6, bios_6_scratch); 1545} 1546 1547static void amdgpu_atombios_scratch_regs_init(struct amdgpu_device *adev) 1548{ 1549 uint32_t bios_2_scratch, bios_6_scratch; 1550 1551 adev->bios_scratch_reg_offset = mmBIOS_SCRATCH_0; 1552 1553 bios_2_scratch = RREG32(adev->bios_scratch_reg_offset + 2); 1554 bios_6_scratch = RREG32(adev->bios_scratch_reg_offset + 6); 1555 1556 /* let the bios control the backlight */ 1557 bios_2_scratch &= ~ATOM_S2_VRI_BRIGHT_ENABLE; 1558 1559 /* tell the bios not to handle mode switching */ 1560 bios_6_scratch |= ATOM_S6_ACC_BLOCK_DISPLAY_SWITCH; 1561 1562 /* clear the vbios dpms state */ 1563 bios_2_scratch &= ~ATOM_S2_DEVICE_DPMS_STATE; 1564 1565 WREG32(adev->bios_scratch_reg_offset + 2, bios_2_scratch); 1566 WREG32(adev->bios_scratch_reg_offset + 6, bios_6_scratch); 1567} 1568 1569void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev, 1570 bool hung) 1571{ 1572 u32 tmp = RREG32(adev->bios_scratch_reg_offset + 3); 1573 1574 if (hung) 1575 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG; 1576 else 1577 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG; 1578 1579 WREG32(adev->bios_scratch_reg_offset + 3, tmp); 1580} 1581 1582void amdgpu_atombios_scratch_regs_set_backlight_level(struct amdgpu_device *adev, 1583 u32 backlight_level) 1584{ 1585 u32 tmp = RREG32(adev->bios_scratch_reg_offset + 2); 1586 1587 tmp &= ~ATOM_S2_CURRENT_BL_LEVEL_MASK; 1588 tmp |= (backlight_level << ATOM_S2_CURRENT_BL_LEVEL_SHIFT) & 1589 ATOM_S2_CURRENT_BL_LEVEL_MASK; 1590 1591 WREG32(adev->bios_scratch_reg_offset + 2, tmp); 1592} 1593 1594bool amdgpu_atombios_scratch_need_asic_init(struct amdgpu_device *adev) 1595{ 1596 u32 tmp = RREG32(adev->bios_scratch_reg_offset + 7); 1597 1598 if (tmp & ATOM_S7_ASIC_INIT_COMPLETE_MASK) 1599 return false; 1600 else 1601 return true; 1602} 1603 1604/* Atom needs data in little endian format so swap as appropriate when copying 1605 * data to or from atom. Note that atom operates on dw units. 1606 * 1607 * Use to_le=true when sending data to atom and provide at least 1608 * ALIGN(num_bytes,4) bytes in the dst buffer. 1609 * 1610 * Use to_le=false when receiving data from atom and provide ALIGN(num_bytes,4) 1611 * byes in the src buffer. 1612 */ 1613void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le) 1614{ 1615#ifdef __BIG_ENDIAN 1616 u32 src_tmp[5], dst_tmp[5]; 1617 int i; 1618 u8 align_num_bytes = ALIGN(num_bytes, 4); 1619 1620 if (to_le) { 1621 memcpy(src_tmp, src, num_bytes); 1622 for (i = 0; i < align_num_bytes / 4; i++) 1623 dst_tmp[i] = cpu_to_le32(src_tmp[i]); 1624 memcpy(dst, dst_tmp, align_num_bytes); 1625 } else { 1626 memcpy(src_tmp, src, align_num_bytes); 1627 for (i = 0; i < align_num_bytes / 4; i++) 1628 dst_tmp[i] = le32_to_cpu(src_tmp[i]); 1629 memcpy(dst, dst_tmp, num_bytes); 1630 } 1631#else 1632 memcpy(dst, src, num_bytes); 1633#endif 1634} 1635 1636static int amdgpu_atombios_allocate_fb_scratch(struct amdgpu_device *adev) 1637{ 1638 struct atom_context *ctx = adev->mode_info.atom_context; 1639 int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware); 1640 uint16_t data_offset; 1641 int usage_bytes = 0; 1642 struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage; 1643 u64 start_addr; 1644 u64 size; 1645 1646 if (amdgpu_atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) { 1647 firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset); 1648 1649 DRM_DEBUG("atom firmware requested %08x %dkb\n", 1650 le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware), 1651 le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb)); 1652 1653 start_addr = firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware; 1654 size = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb; 1655 1656 if ((uint32_t)(start_addr & ATOM_VRAM_OPERATION_FLAGS_MASK) == 1657 (uint32_t)(ATOM_VRAM_BLOCK_SRIOV_MSG_SHARE_RESERVATION << 1658 ATOM_VRAM_OPERATION_FLAGS_SHIFT)) { 1659 /* Firmware request VRAM reservation for SR-IOV */ 1660 adev->mman.fw_vram_usage_start_offset = (start_addr & 1661 (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10; 1662 adev->mman.fw_vram_usage_size = size << 10; 1663 /* Use the default scratch size */ 1664 usage_bytes = 0; 1665 } else { 1666 usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024; 1667 } 1668 } 1669 ctx->scratch_size_bytes = 0; 1670 if (usage_bytes == 0) 1671 usage_bytes = 20 * 1024; 1672 /* allocate some scratch memory */ 1673 ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL); 1674 if (!ctx->scratch) 1675 return -ENOMEM; 1676 ctx->scratch_size_bytes = usage_bytes; 1677 return 0; 1678} 1679 1680/* ATOM accessor methods */ 1681/* 1682 * ATOM is an interpreted byte code stored in tables in the vbios. The 1683 * driver registers callbacks to access registers and the interpreter 1684 * in the driver parses the tables and executes then to program specific 1685 * actions (set display modes, asic init, etc.). See amdgpu_atombios.c, 1686 * atombios.h, and atom.c 1687 */ 1688 1689/** 1690 * cail_pll_read - read PLL register 1691 * 1692 * @info: atom card_info pointer 1693 * @reg: PLL register offset 1694 * 1695 * Provides a PLL register accessor for the atom interpreter (r4xx+). 1696 * Returns the value of the PLL register. 1697 */ 1698static uint32_t cail_pll_read(struct card_info *info, uint32_t reg) 1699{ 1700 return 0; 1701} 1702 1703/** 1704 * cail_pll_write - write PLL register 1705 * 1706 * @info: atom card_info pointer 1707 * @reg: PLL register offset 1708 * @val: value to write to the pll register 1709 * 1710 * Provides a PLL register accessor for the atom interpreter (r4xx+). 1711 */ 1712static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val) 1713{ 1714 1715} 1716 1717/** 1718 * cail_mc_read - read MC (Memory Controller) register 1719 * 1720 * @info: atom card_info pointer 1721 * @reg: MC register offset 1722 * 1723 * Provides an MC register accessor for the atom interpreter (r4xx+). 1724 * Returns the value of the MC register. 1725 */ 1726static uint32_t cail_mc_read(struct card_info *info, uint32_t reg) 1727{ 1728 return 0; 1729} 1730 1731/** 1732 * cail_mc_write - write MC (Memory Controller) register 1733 * 1734 * @info: atom card_info pointer 1735 * @reg: MC register offset 1736 * @val: value to write to the pll register 1737 * 1738 * Provides a MC register accessor for the atom interpreter (r4xx+). 1739 */ 1740static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val) 1741{ 1742 1743} 1744 1745/** 1746 * cail_reg_write - write MMIO register 1747 * 1748 * @info: atom card_info pointer 1749 * @reg: MMIO register offset 1750 * @val: value to write to the pll register 1751 * 1752 * Provides a MMIO register accessor for the atom interpreter (r4xx+). 1753 */ 1754static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val) 1755{ 1756 struct amdgpu_device *adev = drm_to_adev(info->dev); 1757 1758 WREG32(reg, val); 1759} 1760 1761/** 1762 * cail_reg_read - read MMIO register 1763 * 1764 * @info: atom card_info pointer 1765 * @reg: MMIO register offset 1766 * 1767 * Provides an MMIO register accessor for the atom interpreter (r4xx+). 1768 * Returns the value of the MMIO register. 1769 */ 1770static uint32_t cail_reg_read(struct card_info *info, uint32_t reg) 1771{ 1772 struct amdgpu_device *adev = drm_to_adev(info->dev); 1773 uint32_t r; 1774 1775 r = RREG32(reg); 1776 return r; 1777} 1778 1779static ssize_t amdgpu_atombios_get_vbios_version(struct device *dev, 1780 struct device_attribute *attr, 1781 char *buf) 1782{ 1783 struct drm_device *ddev = dev_get_drvdata(dev); 1784 struct amdgpu_device *adev = drm_to_adev(ddev); 1785 struct atom_context *ctx = adev->mode_info.atom_context; 1786 1787 return sysfs_emit(buf, "%s\n", ctx->vbios_pn); 1788} 1789 1790static DEVICE_ATTR(vbios_version, 0444, amdgpu_atombios_get_vbios_version, 1791 NULL); 1792 1793static struct attribute *amdgpu_vbios_version_attrs[] = { 1794 &dev_attr_vbios_version.attr, 1795 NULL 1796}; 1797 1798const struct attribute_group amdgpu_vbios_version_attr_group = { 1799 .attrs = amdgpu_vbios_version_attrs 1800}; 1801 1802int amdgpu_atombios_sysfs_init(struct amdgpu_device *adev) 1803{ 1804 if (adev->mode_info.atom_context) 1805 return devm_device_add_group(adev->dev, 1806 &amdgpu_vbios_version_attr_group); 1807 1808 return 0; 1809} 1810 1811/** 1812 * amdgpu_atombios_fini - free the driver info and callbacks for atombios 1813 * 1814 * @adev: amdgpu_device pointer 1815 * 1816 * Frees the driver info and register access callbacks for the ATOM 1817 * interpreter (r4xx+). 1818 * Called at driver shutdown. 1819 */ 1820void amdgpu_atombios_fini(struct amdgpu_device *adev) 1821{ 1822 if (adev->mode_info.atom_context) { 1823 kfree(adev->mode_info.atom_context->scratch); 1824 kfree(adev->mode_info.atom_context->iio); 1825 } 1826 kfree(adev->mode_info.atom_context); 1827 adev->mode_info.atom_context = NULL; 1828 kfree(adev->mode_info.atom_card_info); 1829 adev->mode_info.atom_card_info = NULL; 1830} 1831 1832/** 1833 * amdgpu_atombios_init - init the driver info and callbacks for atombios 1834 * 1835 * @adev: amdgpu_device pointer 1836 * 1837 * Initializes the driver info and register access callbacks for the 1838 * ATOM interpreter (r4xx+). 1839 * Returns 0 on sucess, -ENOMEM on failure. 1840 * Called at driver startup. 1841 */ 1842int amdgpu_atombios_init(struct amdgpu_device *adev) 1843{ 1844 struct card_info *atom_card_info = 1845 kzalloc(sizeof(struct card_info), GFP_KERNEL); 1846 1847 if (!atom_card_info) 1848 return -ENOMEM; 1849 1850 adev->mode_info.atom_card_info = atom_card_info; 1851 atom_card_info->dev = adev_to_drm(adev); 1852 atom_card_info->reg_read = cail_reg_read; 1853 atom_card_info->reg_write = cail_reg_write; 1854 atom_card_info->mc_read = cail_mc_read; 1855 atom_card_info->mc_write = cail_mc_write; 1856 atom_card_info->pll_read = cail_pll_read; 1857 atom_card_info->pll_write = cail_pll_write; 1858 1859 adev->mode_info.atom_context = amdgpu_atom_parse(atom_card_info, adev->bios); 1860 if (!adev->mode_info.atom_context) { 1861 amdgpu_atombios_fini(adev); 1862 return -ENOMEM; 1863 } 1864 1865 mutex_init(&adev->mode_info.atom_context->mutex); 1866 if (adev->is_atom_fw) { 1867 amdgpu_atomfirmware_scratch_regs_init(adev); 1868 amdgpu_atomfirmware_allocate_fb_scratch(adev); 1869 /* cached firmware_flags for further usage */ 1870 adev->mode_info.firmware_flags = 1871 amdgpu_atomfirmware_query_firmware_capability(adev); 1872 } else { 1873 amdgpu_atombios_scratch_regs_init(adev); 1874 amdgpu_atombios_allocate_fb_scratch(adev); 1875 } 1876 1877 return 0; 1878} 1879 1880int amdgpu_atombios_get_data_table(struct amdgpu_device *adev, 1881 uint32_t table, 1882 uint16_t *size, 1883 uint8_t *frev, 1884 uint8_t *crev, 1885 uint8_t **addr) 1886{ 1887 uint16_t data_start; 1888 1889 if (!amdgpu_atom_parse_data_header(adev->mode_info.atom_context, table, 1890 size, frev, crev, &data_start)) 1891 return -EINVAL; 1892 1893 *addr = (uint8_t *)adev->mode_info.atom_context->bios + data_start; 1894 1895 return 0; 1896} 1897