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 39 static void amdgpu_atombios_lookup_i2c_gpio_quirks(struct amdgpu_device *adev, 40 ATOM_GPIO_I2C_ASSIGMENT *gpio, 41 u8 index) 42 { 43 44 } 45 46 static 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 89 struct 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 } 125 126 void 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 } 158 159 struct amdgpu_gpio_rec 160 amdgpu_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 } 197 198 static struct amdgpu_hpd 199 amdgpu_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 } 238 239 static 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 }; 263 264 bool 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 } 290 291 bool 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 } 548 549 union 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 }; 557 558 int 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 } 707 708 union gfx_info { 709 ATOM_GFX_INFO_V2_1 info; 710 }; 711 712 int 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 } 737 738 union 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 */ 751 int 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 } 775 776 static 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 } 867 868 union 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 }; 873 874 union 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 }; 879 880 bool 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 } 985 986 union 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 }; 995 996 int 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 1023 dividers->post_div = args.v3.ucPostDiv; 1024 dividers->enable_post_div = (args.v3.ucCntlFlag & 1025 ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false; 1026 dividers->enable_dithen = (args.v3.ucCntlFlag & 1027 ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true; 1028 dividers->whole_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDiv); 1029 dividers->frac_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDivFrac); 1030 dividers->ref_div = args.v3.ucRefDiv; 1031 dividers->vco_mode = (args.v3.ucCntlFlag & 1032 ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0; 1033 } else { 1034 /* for SI we use ComputeMemoryClockParam for memory plls */ 1035 if (adev->asic_type >= CHIP_TAHITI) 1036 return -EINVAL; 1037 args.v5.ulClockParams = cpu_to_le32((clock_type << 24) | clock); 1038 if (strobe_mode) 1039 args.v5.ucInputFlag = ATOM_PLL_INPUT_FLAG_PLL_STROBE_MODE_EN; 1040 1041 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); 1042 1043 dividers->post_div = args.v5.ucPostDiv; 1044 dividers->enable_post_div = (args.v5.ucCntlFlag & 1045 ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false; 1046 dividers->enable_dithen = (args.v5.ucCntlFlag & 1047 ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true; 1048 dividers->whole_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDiv); 1049 dividers->frac_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDivFrac); 1050 dividers->ref_div = args.v5.ucRefDiv; 1051 dividers->vco_mode = (args.v5.ucCntlFlag & 1052 ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0; 1053 } 1054 break; 1055 case 4: 1056 /* fusion */ 1057 args.v4.ulClock = cpu_to_le32(clock); /* 10 khz */ 1058 1059 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); 1060 1061 dividers->post_divider = dividers->post_div = args.v4.ucPostDiv; 1062 dividers->real_clock = le32_to_cpu(args.v4.ulClock); 1063 break; 1064 case 6: 1065 /* CI */ 1066 /* COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, COMPUTE_GPUCLK_INPUT_FLAG_SCLK */ 1067 args.v6_in.ulClock.ulComputeClockFlag = clock_type; 1068 args.v6_in.ulClock.ulClockFreq = cpu_to_le32(clock); /* 10 khz */ 1069 1070 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); 1071 1072 dividers->whole_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDiv); 1073 dividers->frac_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDivFrac); 1074 dividers->ref_div = args.v6_out.ucPllRefDiv; 1075 dividers->post_div = args.v6_out.ucPllPostDiv; 1076 dividers->flags = args.v6_out.ucPllCntlFlag; 1077 dividers->real_clock = le32_to_cpu(args.v6_out.ulClock.ulClock); 1078 dividers->post_divider = args.v6_out.ulClock.ucPostDiv; 1079 break; 1080 default: 1081 return -EINVAL; 1082 } 1083 return 0; 1084 } 1085 1086 #ifdef CONFIG_DRM_AMDGPU_SI 1087 int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev, 1088 u32 clock, 1089 bool strobe_mode, 1090 struct atom_mpll_param *mpll_param) 1091 { 1092 COMPUTE_MEMORY_CLOCK_PARAM_PARAMETERS_V2_1 args; 1093 int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam); 1094 u8 frev, crev; 1095 1096 memset(&args, 0, sizeof(args)); 1097 memset(mpll_param, 0, sizeof(struct atom_mpll_param)); 1098 1099 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev)) 1100 return -EINVAL; 1101 1102 switch (frev) { 1103 case 2: 1104 switch (crev) { 1105 case 1: 1106 /* SI */ 1107 args.ulClock = cpu_to_le32(clock); /* 10 khz */ 1108 args.ucInputFlag = 0; 1109 if (strobe_mode) 1110 args.ucInputFlag |= MPLL_INPUT_FLAG_STROBE_MODE_EN; 1111 1112 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); 1113 1114 mpll_param->clkfrac = le16_to_cpu(args.ulFbDiv.usFbDivFrac); 1115 mpll_param->clkf = le16_to_cpu(args.ulFbDiv.usFbDiv); 1116 mpll_param->post_div = args.ucPostDiv; 1117 mpll_param->dll_speed = args.ucDllSpeed; 1118 mpll_param->bwcntl = args.ucBWCntl; 1119 mpll_param->vco_mode = 1120 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_VCO_MODE_MASK); 1121 mpll_param->yclk_sel = 1122 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_BYPASS_DQ_PLL) ? 1 : 0; 1123 mpll_param->qdr = 1124 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_QDR_ENABLE) ? 1 : 0; 1125 mpll_param->half_rate = 1126 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_AD_HALF_RATE) ? 1 : 0; 1127 break; 1128 default: 1129 return -EINVAL; 1130 } 1131 break; 1132 default: 1133 return -EINVAL; 1134 } 1135 return 0; 1136 } 1137 1138 void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev, 1139 u32 eng_clock, u32 mem_clock) 1140 { 1141 SET_ENGINE_CLOCK_PS_ALLOCATION args; 1142 int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings); 1143 u32 tmp; 1144 1145 memset(&args, 0, sizeof(args)); 1146 1147 tmp = eng_clock & SET_CLOCK_FREQ_MASK; 1148 tmp |= (COMPUTE_ENGINE_PLL_PARAM << 24); 1149 1150 args.ulTargetEngineClock = cpu_to_le32(tmp); 1151 if (mem_clock) 1152 args.sReserved.ulClock = cpu_to_le32(mem_clock & SET_CLOCK_FREQ_MASK); 1153 1154 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); 1155 } 1156 1157 void amdgpu_atombios_get_default_voltages(struct amdgpu_device *adev, 1158 u16 *vddc, u16 *vddci, u16 *mvdd) 1159 { 1160 struct amdgpu_mode_info *mode_info = &adev->mode_info; 1161 int index = GetIndexIntoMasterTable(DATA, FirmwareInfo); 1162 u8 frev, crev; 1163 u16 data_offset; 1164 union firmware_info *firmware_info; 1165 1166 *vddc = 0; 1167 *vddci = 0; 1168 *mvdd = 0; 1169 1170 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, 1171 &frev, &crev, &data_offset)) { 1172 firmware_info = 1173 (union firmware_info *)(mode_info->atom_context->bios + 1174 data_offset); 1175 *vddc = le16_to_cpu(firmware_info->info_14.usBootUpVDDCVoltage); 1176 if ((frev == 2) && (crev >= 2)) { 1177 *vddci = le16_to_cpu(firmware_info->info_22.usBootUpVDDCIVoltage); 1178 *mvdd = le16_to_cpu(firmware_info->info_22.usBootUpMVDDCVoltage); 1179 } 1180 } 1181 } 1182 1183 union set_voltage { 1184 struct _SET_VOLTAGE_PS_ALLOCATION alloc; 1185 struct _SET_VOLTAGE_PARAMETERS v1; 1186 struct _SET_VOLTAGE_PARAMETERS_V2 v2; 1187 struct _SET_VOLTAGE_PARAMETERS_V1_3 v3; 1188 }; 1189 1190 int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type, 1191 u16 voltage_id, u16 *voltage) 1192 { 1193 union set_voltage args; 1194 int index = GetIndexIntoMasterTable(COMMAND, SetVoltage); 1195 u8 frev, crev; 1196 1197 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev)) 1198 return -EINVAL; 1199 1200 switch (crev) { 1201 case 1: 1202 return -EINVAL; 1203 case 2: 1204 args.v2.ucVoltageType = SET_VOLTAGE_GET_MAX_VOLTAGE; 1205 args.v2.ucVoltageMode = 0; 1206 args.v2.usVoltageLevel = 0; 1207 1208 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); 1209 1210 *voltage = le16_to_cpu(args.v2.usVoltageLevel); 1211 break; 1212 case 3: 1213 args.v3.ucVoltageType = voltage_type; 1214 args.v3.ucVoltageMode = ATOM_GET_VOLTAGE_LEVEL; 1215 args.v3.usVoltageLevel = cpu_to_le16(voltage_id); 1216 1217 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); 1218 1219 *voltage = le16_to_cpu(args.v3.usVoltageLevel); 1220 break; 1221 default: 1222 DRM_ERROR("Unknown table version %d, %d\n", frev, crev); 1223 return -EINVAL; 1224 } 1225 1226 return 0; 1227 } 1228 1229 int amdgpu_atombios_get_leakage_vddc_based_on_leakage_idx(struct amdgpu_device *adev, 1230 u16 *voltage, 1231 u16 leakage_idx) 1232 { 1233 return amdgpu_atombios_get_max_vddc(adev, VOLTAGE_TYPE_VDDC, leakage_idx, voltage); 1234 } 1235 1236 union voltage_object_info { 1237 struct _ATOM_VOLTAGE_OBJECT_INFO v1; 1238 struct _ATOM_VOLTAGE_OBJECT_INFO_V2 v2; 1239 struct _ATOM_VOLTAGE_OBJECT_INFO_V3_1 v3; 1240 }; 1241 1242 union voltage_object { 1243 struct _ATOM_VOLTAGE_OBJECT v1; 1244 struct _ATOM_VOLTAGE_OBJECT_V2 v2; 1245 union _ATOM_VOLTAGE_OBJECT_V3 v3; 1246 }; 1247 1248 1249 static ATOM_VOLTAGE_OBJECT_V3 *amdgpu_atombios_lookup_voltage_object_v3(ATOM_VOLTAGE_OBJECT_INFO_V3_1 *v3, 1250 u8 voltage_type, u8 voltage_mode) 1251 { 1252 u32 size = le16_to_cpu(v3->sHeader.usStructureSize); 1253 u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO_V3_1, asVoltageObj[0]); 1254 u8 *start = (u8 *)v3; 1255 1256 while (offset < size) { 1257 ATOM_VOLTAGE_OBJECT_V3 *vo = (ATOM_VOLTAGE_OBJECT_V3 *)(start + offset); 1258 if ((vo->asGpioVoltageObj.sHeader.ucVoltageType == voltage_type) && 1259 (vo->asGpioVoltageObj.sHeader.ucVoltageMode == voltage_mode)) 1260 return vo; 1261 offset += le16_to_cpu(vo->asGpioVoltageObj.sHeader.usSize); 1262 } 1263 return NULL; 1264 } 1265 1266 int amdgpu_atombios_get_svi2_info(struct amdgpu_device *adev, 1267 u8 voltage_type, 1268 u8 *svd_gpio_id, u8 *svc_gpio_id) 1269 { 1270 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo); 1271 u8 frev, crev; 1272 u16 data_offset, size; 1273 union voltage_object_info *voltage_info; 1274 union voltage_object *voltage_object = NULL; 1275 1276 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size, 1277 &frev, &crev, &data_offset)) { 1278 voltage_info = (union voltage_object_info *) 1279 (adev->mode_info.atom_context->bios + data_offset); 1280 1281 switch (frev) { 1282 case 3: 1283 switch (crev) { 1284 case 1: 1285 voltage_object = (union voltage_object *) 1286 amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3, 1287 voltage_type, 1288 VOLTAGE_OBJ_SVID2); 1289 if (voltage_object) { 1290 *svd_gpio_id = voltage_object->v3.asSVID2Obj.ucSVDGpioId; 1291 *svc_gpio_id = voltage_object->v3.asSVID2Obj.ucSVCGpioId; 1292 } else { 1293 return -EINVAL; 1294 } 1295 break; 1296 default: 1297 DRM_ERROR("unknown voltage object table\n"); 1298 return -EINVAL; 1299 } 1300 break; 1301 default: 1302 DRM_ERROR("unknown voltage object table\n"); 1303 return -EINVAL; 1304 } 1305 1306 } 1307 return 0; 1308 } 1309 1310 bool 1311 amdgpu_atombios_is_voltage_gpio(struct amdgpu_device *adev, 1312 u8 voltage_type, u8 voltage_mode) 1313 { 1314 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo); 1315 u8 frev, crev; 1316 u16 data_offset, size; 1317 union voltage_object_info *voltage_info; 1318 1319 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size, 1320 &frev, &crev, &data_offset)) { 1321 voltage_info = (union voltage_object_info *) 1322 (adev->mode_info.atom_context->bios + data_offset); 1323 1324 switch (frev) { 1325 case 3: 1326 switch (crev) { 1327 case 1: 1328 if (amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3, 1329 voltage_type, voltage_mode)) 1330 return true; 1331 break; 1332 default: 1333 DRM_ERROR("unknown voltage object table\n"); 1334 return false; 1335 } 1336 break; 1337 default: 1338 DRM_ERROR("unknown voltage object table\n"); 1339 return false; 1340 } 1341 1342 } 1343 return false; 1344 } 1345 1346 int amdgpu_atombios_get_voltage_table(struct amdgpu_device *adev, 1347 u8 voltage_type, u8 voltage_mode, 1348 struct atom_voltage_table *voltage_table) 1349 { 1350 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo); 1351 u8 frev, crev; 1352 u16 data_offset, size; 1353 int i; 1354 union voltage_object_info *voltage_info; 1355 union voltage_object *voltage_object = NULL; 1356 1357 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size, 1358 &frev, &crev, &data_offset)) { 1359 voltage_info = (union voltage_object_info *) 1360 (adev->mode_info.atom_context->bios + data_offset); 1361 1362 switch (frev) { 1363 case 3: 1364 switch (crev) { 1365 case 1: 1366 voltage_object = (union voltage_object *) 1367 amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3, 1368 voltage_type, voltage_mode); 1369 if (voltage_object) { 1370 ATOM_GPIO_VOLTAGE_OBJECT_V3 *gpio = 1371 &voltage_object->v3.asGpioVoltageObj; 1372 VOLTAGE_LUT_ENTRY_V2 *lut; 1373 if (gpio->ucGpioEntryNum > MAX_VOLTAGE_ENTRIES) 1374 return -EINVAL; 1375 lut = &gpio->asVolGpioLut[0]; 1376 for (i = 0; i < gpio->ucGpioEntryNum; i++) { 1377 voltage_table->entries[i].value = 1378 le16_to_cpu(lut->usVoltageValue); 1379 voltage_table->entries[i].smio_low = 1380 le32_to_cpu(lut->ulVoltageId); 1381 lut = (VOLTAGE_LUT_ENTRY_V2 *) 1382 ((u8 *)lut + sizeof(VOLTAGE_LUT_ENTRY_V2)); 1383 } 1384 voltage_table->mask_low = le32_to_cpu(gpio->ulGpioMaskVal); 1385 voltage_table->count = gpio->ucGpioEntryNum; 1386 voltage_table->phase_delay = gpio->ucPhaseDelay; 1387 return 0; 1388 } 1389 break; 1390 default: 1391 DRM_ERROR("unknown voltage object table\n"); 1392 return -EINVAL; 1393 } 1394 break; 1395 default: 1396 DRM_ERROR("unknown voltage object table\n"); 1397 return -EINVAL; 1398 } 1399 } 1400 return -EINVAL; 1401 } 1402 1403 union vram_info { 1404 struct _ATOM_VRAM_INFO_V3 v1_3; 1405 struct _ATOM_VRAM_INFO_V4 v1_4; 1406 struct _ATOM_VRAM_INFO_HEADER_V2_1 v2_1; 1407 }; 1408 1409 #define MEM_ID_MASK 0xff000000 1410 #define MEM_ID_SHIFT 24 1411 #define CLOCK_RANGE_MASK 0x00ffffff 1412 #define CLOCK_RANGE_SHIFT 0 1413 #define LOW_NIBBLE_MASK 0xf 1414 #define DATA_EQU_PREV 0 1415 #define DATA_FROM_TABLE 4 1416 1417 int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev, 1418 u8 module_index, 1419 struct atom_mc_reg_table *reg_table) 1420 { 1421 int index = GetIndexIntoMasterTable(DATA, VRAM_Info); 1422 u8 frev, crev, num_entries, t_mem_id, num_ranges = 0; 1423 u32 i = 0, j; 1424 u16 data_offset, size; 1425 union vram_info *vram_info; 1426 1427 memset(reg_table, 0, sizeof(struct atom_mc_reg_table)); 1428 1429 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size, 1430 &frev, &crev, &data_offset)) { 1431 vram_info = (union vram_info *) 1432 (adev->mode_info.atom_context->bios + data_offset); 1433 switch (frev) { 1434 case 1: 1435 DRM_ERROR("old table version %d, %d\n", frev, crev); 1436 return -EINVAL; 1437 case 2: 1438 switch (crev) { 1439 case 1: 1440 if (module_index < vram_info->v2_1.ucNumOfVRAMModule) { 1441 ATOM_INIT_REG_BLOCK *reg_block = 1442 (ATOM_INIT_REG_BLOCK *) 1443 ((u8 *)vram_info + le16_to_cpu(vram_info->v2_1.usMemClkPatchTblOffset)); 1444 ATOM_MEMORY_SETTING_DATA_BLOCK *reg_data = 1445 (ATOM_MEMORY_SETTING_DATA_BLOCK *) 1446 ((u8 *)reg_block + (2 * sizeof(u16)) + 1447 le16_to_cpu(reg_block->usRegIndexTblSize)); 1448 ATOM_INIT_REG_INDEX_FORMAT *format = ®_block->asRegIndexBuf[0]; 1449 num_entries = (u8)((le16_to_cpu(reg_block->usRegIndexTblSize)) / 1450 sizeof(ATOM_INIT_REG_INDEX_FORMAT)) - 1; 1451 if (num_entries > VBIOS_MC_REGISTER_ARRAY_SIZE) 1452 return -EINVAL; 1453 while (i < num_entries) { 1454 if (format->ucPreRegDataLength & ACCESS_PLACEHOLDER) 1455 break; 1456 reg_table->mc_reg_address[i].s1 = 1457 (u16)(le16_to_cpu(format->usRegIndex)); 1458 reg_table->mc_reg_address[i].pre_reg_data = 1459 (u8)(format->ucPreRegDataLength); 1460 i++; 1461 format = (ATOM_INIT_REG_INDEX_FORMAT *) 1462 ((u8 *)format + sizeof(ATOM_INIT_REG_INDEX_FORMAT)); 1463 } 1464 reg_table->last = i; 1465 while ((le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK) && 1466 (num_ranges < VBIOS_MAX_AC_TIMING_ENTRIES)) { 1467 t_mem_id = (u8)((le32_to_cpu(*(u32 *)reg_data) & MEM_ID_MASK) 1468 >> MEM_ID_SHIFT); 1469 if (module_index == t_mem_id) { 1470 reg_table->mc_reg_table_entry[num_ranges].mclk_max = 1471 (u32)((le32_to_cpu(*(u32 *)reg_data) & CLOCK_RANGE_MASK) 1472 >> CLOCK_RANGE_SHIFT); 1473 for (i = 0, j = 1; i < reg_table->last; i++) { 1474 if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_FROM_TABLE) { 1475 reg_table->mc_reg_table_entry[num_ranges].mc_data[i] = 1476 (u32)le32_to_cpu(*((u32 *)reg_data + j)); 1477 j++; 1478 } else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) { 1479 reg_table->mc_reg_table_entry[num_ranges].mc_data[i] = 1480 reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1]; 1481 } 1482 } 1483 num_ranges++; 1484 } 1485 reg_data = (ATOM_MEMORY_SETTING_DATA_BLOCK *) 1486 ((u8 *)reg_data + le16_to_cpu(reg_block->usRegDataBlkSize)); 1487 } 1488 if (le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK) 1489 return -EINVAL; 1490 reg_table->num_entries = num_ranges; 1491 } else 1492 return -EINVAL; 1493 break; 1494 default: 1495 DRM_ERROR("Unknown table version %d, %d\n", frev, crev); 1496 return -EINVAL; 1497 } 1498 break; 1499 default: 1500 DRM_ERROR("Unknown table version %d, %d\n", frev, crev); 1501 return -EINVAL; 1502 } 1503 return 0; 1504 } 1505 return -EINVAL; 1506 } 1507 #endif 1508 1509 bool amdgpu_atombios_has_gpu_virtualization_table(struct amdgpu_device *adev) 1510 { 1511 int index = GetIndexIntoMasterTable(DATA, GPUVirtualizationInfo); 1512 u8 frev, crev; 1513 u16 data_offset, size; 1514 1515 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size, 1516 &frev, &crev, &data_offset)) 1517 return true; 1518 1519 return false; 1520 } 1521 1522 void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock) 1523 { 1524 uint32_t bios_6_scratch; 1525 1526 bios_6_scratch = RREG32(adev->bios_scratch_reg_offset + 6); 1527 1528 if (lock) { 1529 bios_6_scratch |= ATOM_S6_CRITICAL_STATE; 1530 bios_6_scratch &= ~ATOM_S6_ACC_MODE; 1531 } else { 1532 bios_6_scratch &= ~ATOM_S6_CRITICAL_STATE; 1533 bios_6_scratch |= ATOM_S6_ACC_MODE; 1534 } 1535 1536 WREG32(adev->bios_scratch_reg_offset + 6, bios_6_scratch); 1537 } 1538 1539 static void amdgpu_atombios_scratch_regs_init(struct amdgpu_device *adev) 1540 { 1541 uint32_t bios_2_scratch, bios_6_scratch; 1542 1543 adev->bios_scratch_reg_offset = mmBIOS_SCRATCH_0; 1544 1545 bios_2_scratch = RREG32(adev->bios_scratch_reg_offset + 2); 1546 bios_6_scratch = RREG32(adev->bios_scratch_reg_offset + 6); 1547 1548 /* let the bios control the backlight */ 1549 bios_2_scratch &= ~ATOM_S2_VRI_BRIGHT_ENABLE; 1550 1551 /* tell the bios not to handle mode switching */ 1552 bios_6_scratch |= ATOM_S6_ACC_BLOCK_DISPLAY_SWITCH; 1553 1554 /* clear the vbios dpms state */ 1555 bios_2_scratch &= ~ATOM_S2_DEVICE_DPMS_STATE; 1556 1557 WREG32(adev->bios_scratch_reg_offset + 2, bios_2_scratch); 1558 WREG32(adev->bios_scratch_reg_offset + 6, bios_6_scratch); 1559 } 1560 1561 void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev, 1562 bool hung) 1563 { 1564 u32 tmp = RREG32(adev->bios_scratch_reg_offset + 3); 1565 1566 if (hung) 1567 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG; 1568 else 1569 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG; 1570 1571 WREG32(adev->bios_scratch_reg_offset + 3, tmp); 1572 } 1573 1574 void amdgpu_atombios_scratch_regs_set_backlight_level(struct amdgpu_device *adev, 1575 u32 backlight_level) 1576 { 1577 u32 tmp = RREG32(adev->bios_scratch_reg_offset + 2); 1578 1579 tmp &= ~ATOM_S2_CURRENT_BL_LEVEL_MASK; 1580 tmp |= (backlight_level << ATOM_S2_CURRENT_BL_LEVEL_SHIFT) & 1581 ATOM_S2_CURRENT_BL_LEVEL_MASK; 1582 1583 WREG32(adev->bios_scratch_reg_offset + 2, tmp); 1584 } 1585 1586 bool amdgpu_atombios_scratch_need_asic_init(struct amdgpu_device *adev) 1587 { 1588 u32 tmp = RREG32(adev->bios_scratch_reg_offset + 7); 1589 1590 if (tmp & ATOM_S7_ASIC_INIT_COMPLETE_MASK) 1591 return false; 1592 else 1593 return true; 1594 } 1595 1596 /* Atom needs data in little endian format so swap as appropriate when copying 1597 * data to or from atom. Note that atom operates on dw units. 1598 * 1599 * Use to_le=true when sending data to atom and provide at least 1600 * ALIGN(num_bytes,4) bytes in the dst buffer. 1601 * 1602 * Use to_le=false when receiving data from atom and provide ALIGN(num_bytes,4) 1603 * byes in the src buffer. 1604 */ 1605 void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le) 1606 { 1607 #ifdef __BIG_ENDIAN 1608 u32 src_tmp[5], dst_tmp[5]; 1609 int i; 1610 u8 align_num_bytes = ALIGN(num_bytes, 4); 1611 1612 if (to_le) { 1613 memcpy(src_tmp, src, num_bytes); 1614 for (i = 0; i < align_num_bytes / 4; i++) 1615 dst_tmp[i] = cpu_to_le32(src_tmp[i]); 1616 memcpy(dst, dst_tmp, align_num_bytes); 1617 } else { 1618 memcpy(src_tmp, src, align_num_bytes); 1619 for (i = 0; i < align_num_bytes / 4; i++) 1620 dst_tmp[i] = le32_to_cpu(src_tmp[i]); 1621 memcpy(dst, dst_tmp, num_bytes); 1622 } 1623 #else 1624 memcpy(dst, src, num_bytes); 1625 #endif 1626 } 1627 1628 static int amdgpu_atombios_allocate_fb_scratch(struct amdgpu_device *adev) 1629 { 1630 struct atom_context *ctx = adev->mode_info.atom_context; 1631 int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware); 1632 uint16_t data_offset; 1633 int usage_bytes = 0; 1634 struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage; 1635 u64 start_addr; 1636 u64 size; 1637 1638 if (amdgpu_atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) { 1639 firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset); 1640 1641 DRM_DEBUG("atom firmware requested %08x %dkb\n", 1642 le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware), 1643 le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb)); 1644 1645 start_addr = firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware; 1646 size = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb; 1647 1648 if ((uint32_t)(start_addr & ATOM_VRAM_OPERATION_FLAGS_MASK) == 1649 (uint32_t)(ATOM_VRAM_BLOCK_SRIOV_MSG_SHARE_RESERVATION << 1650 ATOM_VRAM_OPERATION_FLAGS_SHIFT)) { 1651 /* Firmware request VRAM reservation for SR-IOV */ 1652 adev->mman.fw_vram_usage_start_offset = (start_addr & 1653 (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10; 1654 adev->mman.fw_vram_usage_size = size << 10; 1655 /* Use the default scratch size */ 1656 usage_bytes = 0; 1657 } else { 1658 usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024; 1659 } 1660 } 1661 ctx->scratch_size_bytes = 0; 1662 if (usage_bytes == 0) 1663 usage_bytes = 20 * 1024; 1664 /* allocate some scratch memory */ 1665 ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL); 1666 if (!ctx->scratch) 1667 return -ENOMEM; 1668 ctx->scratch_size_bytes = usage_bytes; 1669 return 0; 1670 } 1671 1672 /* ATOM accessor methods */ 1673 /* 1674 * ATOM is an interpreted byte code stored in tables in the vbios. The 1675 * driver registers callbacks to access registers and the interpreter 1676 * in the driver parses the tables and executes then to program specific 1677 * actions (set display modes, asic init, etc.). See amdgpu_atombios.c, 1678 * atombios.h, and atom.c 1679 */ 1680 1681 /** 1682 * cail_pll_read - read PLL register 1683 * 1684 * @info: atom card_info pointer 1685 * @reg: PLL register offset 1686 * 1687 * Provides a PLL register accessor for the atom interpreter (r4xx+). 1688 * Returns the value of the PLL register. 1689 */ 1690 static uint32_t cail_pll_read(struct card_info *info, uint32_t reg) 1691 { 1692 return 0; 1693 } 1694 1695 /** 1696 * cail_pll_write - write PLL register 1697 * 1698 * @info: atom card_info pointer 1699 * @reg: PLL register offset 1700 * @val: value to write to the pll register 1701 * 1702 * Provides a PLL register accessor for the atom interpreter (r4xx+). 1703 */ 1704 static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val) 1705 { 1706 1707 } 1708 1709 /** 1710 * cail_mc_read - read MC (Memory Controller) register 1711 * 1712 * @info: atom card_info pointer 1713 * @reg: MC register offset 1714 * 1715 * Provides an MC register accessor for the atom interpreter (r4xx+). 1716 * Returns the value of the MC register. 1717 */ 1718 static uint32_t cail_mc_read(struct card_info *info, uint32_t reg) 1719 { 1720 return 0; 1721 } 1722 1723 /** 1724 * cail_mc_write - write MC (Memory Controller) register 1725 * 1726 * @info: atom card_info pointer 1727 * @reg: MC register offset 1728 * @val: value to write to the pll register 1729 * 1730 * Provides a MC register accessor for the atom interpreter (r4xx+). 1731 */ 1732 static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val) 1733 { 1734 1735 } 1736 1737 /** 1738 * cail_reg_write - write MMIO register 1739 * 1740 * @info: atom card_info pointer 1741 * @reg: MMIO register offset 1742 * @val: value to write to the pll register 1743 * 1744 * Provides a MMIO register accessor for the atom interpreter (r4xx+). 1745 */ 1746 static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val) 1747 { 1748 struct amdgpu_device *adev = drm_to_adev(info->dev); 1749 1750 WREG32(reg, val); 1751 } 1752 1753 /** 1754 * cail_reg_read - read MMIO register 1755 * 1756 * @info: atom card_info pointer 1757 * @reg: MMIO register offset 1758 * 1759 * Provides an MMIO register accessor for the atom interpreter (r4xx+). 1760 * Returns the value of the MMIO register. 1761 */ 1762 static uint32_t cail_reg_read(struct card_info *info, uint32_t reg) 1763 { 1764 struct amdgpu_device *adev = drm_to_adev(info->dev); 1765 uint32_t r; 1766 1767 r = RREG32(reg); 1768 return r; 1769 } 1770 1771 static ssize_t amdgpu_atombios_get_vbios_version(struct device *dev, 1772 struct device_attribute *attr, 1773 char *buf) 1774 { 1775 struct drm_device *ddev = dev_get_drvdata(dev); 1776 struct amdgpu_device *adev = drm_to_adev(ddev); 1777 struct atom_context *ctx = adev->mode_info.atom_context; 1778 1779 return sysfs_emit(buf, "%s\n", ctx->vbios_version); 1780 } 1781 1782 static DEVICE_ATTR(vbios_version, 0444, amdgpu_atombios_get_vbios_version, 1783 NULL); 1784 1785 static struct attribute *amdgpu_vbios_version_attrs[] = { 1786 &dev_attr_vbios_version.attr, 1787 NULL 1788 }; 1789 1790 const struct attribute_group amdgpu_vbios_version_attr_group = { 1791 .attrs = amdgpu_vbios_version_attrs 1792 }; 1793 1794 int amdgpu_atombios_sysfs_init(struct amdgpu_device *adev) 1795 { 1796 if (adev->mode_info.atom_context) 1797 return devm_device_add_group(adev->dev, 1798 &amdgpu_vbios_version_attr_group); 1799 1800 return 0; 1801 } 1802 1803 /** 1804 * amdgpu_atombios_fini - free the driver info and callbacks for atombios 1805 * 1806 * @adev: amdgpu_device pointer 1807 * 1808 * Frees the driver info and register access callbacks for the ATOM 1809 * interpreter (r4xx+). 1810 * Called at driver shutdown. 1811 */ 1812 void amdgpu_atombios_fini(struct amdgpu_device *adev) 1813 { 1814 if (adev->mode_info.atom_context) { 1815 kfree(adev->mode_info.atom_context->scratch); 1816 kfree(adev->mode_info.atom_context->iio); 1817 } 1818 kfree(adev->mode_info.atom_context); 1819 adev->mode_info.atom_context = NULL; 1820 kfree(adev->mode_info.atom_card_info); 1821 adev->mode_info.atom_card_info = NULL; 1822 } 1823 1824 /** 1825 * amdgpu_atombios_init - init the driver info and callbacks for atombios 1826 * 1827 * @adev: amdgpu_device pointer 1828 * 1829 * Initializes the driver info and register access callbacks for the 1830 * ATOM interpreter (r4xx+). 1831 * Returns 0 on sucess, -ENOMEM on failure. 1832 * Called at driver startup. 1833 */ 1834 int amdgpu_atombios_init(struct amdgpu_device *adev) 1835 { 1836 struct card_info *atom_card_info = 1837 kzalloc(sizeof(struct card_info), GFP_KERNEL); 1838 1839 if (!atom_card_info) 1840 return -ENOMEM; 1841 1842 adev->mode_info.atom_card_info = atom_card_info; 1843 atom_card_info->dev = adev_to_drm(adev); 1844 atom_card_info->reg_read = cail_reg_read; 1845 atom_card_info->reg_write = cail_reg_write; 1846 atom_card_info->mc_read = cail_mc_read; 1847 atom_card_info->mc_write = cail_mc_write; 1848 atom_card_info->pll_read = cail_pll_read; 1849 atom_card_info->pll_write = cail_pll_write; 1850 1851 adev->mode_info.atom_context = amdgpu_atom_parse(atom_card_info, adev->bios); 1852 if (!adev->mode_info.atom_context) { 1853 amdgpu_atombios_fini(adev); 1854 return -ENOMEM; 1855 } 1856 1857 mutex_init(&adev->mode_info.atom_context->mutex); 1858 if (adev->is_atom_fw) { 1859 amdgpu_atomfirmware_scratch_regs_init(adev); 1860 amdgpu_atomfirmware_allocate_fb_scratch(adev); 1861 /* cached firmware_flags for further usage */ 1862 adev->mode_info.firmware_flags = 1863 amdgpu_atomfirmware_query_firmware_capability(adev); 1864 } else { 1865 amdgpu_atombios_scratch_regs_init(adev); 1866 amdgpu_atombios_allocate_fb_scratch(adev); 1867 } 1868 1869 return 0; 1870 } 1871 1872 int amdgpu_atombios_get_data_table(struct amdgpu_device *adev, 1873 uint32_t table, 1874 uint16_t *size, 1875 uint8_t *frev, 1876 uint8_t *crev, 1877 uint8_t **addr) 1878 { 1879 uint16_t data_start; 1880 1881 if (!amdgpu_atom_parse_data_header(adev->mode_info.atom_context, table, 1882 size, frev, crev, &data_start)) 1883 return -EINVAL; 1884 1885 *addr = (uint8_t *)adev->mode_info.atom_context->bios + data_start; 1886 1887 return 0; 1888 } 1889