1 /* $NetBSD: amdgpu_vega12_smumgr.c,v 1.2 2021/12/18 23:45:27 riastradh Exp $ */ 2 3 /* 4 * Copyright 2017 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 26 #include <sys/cdefs.h> 27 __KERNEL_RCSID(0, "$NetBSD: amdgpu_vega12_smumgr.c,v 1.2 2021/12/18 23:45:27 riastradh Exp $"); 28 29 #include "smumgr.h" 30 #include "vega12_inc.h" 31 #include "soc15_common.h" 32 #include "smu9_smumgr.h" 33 #include "vega12_smumgr.h" 34 #include "vega12_ppsmc.h" 35 #include "vega12/smu9_driver_if.h" 36 #include "ppatomctrl.h" 37 #include "pp_debug.h" 38 39 40 /* 41 * Copy table from SMC into driver FB 42 * @param hwmgr the address of the HW manager 43 * @param table_id the driver's table ID to copy from 44 */ 45 static int vega12_copy_table_from_smc(struct pp_hwmgr *hwmgr, 46 uint8_t *table, int16_t table_id) 47 { 48 struct vega12_smumgr *priv = 49 (struct vega12_smumgr *)(hwmgr->smu_backend); 50 struct amdgpu_device *adev = hwmgr->adev; 51 52 PP_ASSERT_WITH_CODE(table_id < TABLE_COUNT, 53 "Invalid SMU Table ID!", return -EINVAL); 54 PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0, 55 "Invalid SMU Table version!", return -EINVAL); 56 PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0, 57 "Invalid SMU Table Length!", return -EINVAL); 58 PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr, 59 PPSMC_MSG_SetDriverDramAddrHigh, 60 upper_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0, 61 "[CopyTableFromSMC] Attempt to Set Dram Addr High Failed!", return -EINVAL); 62 PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr, 63 PPSMC_MSG_SetDriverDramAddrLow, 64 lower_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0, 65 "[CopyTableFromSMC] Attempt to Set Dram Addr Low Failed!", 66 return -EINVAL); 67 PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr, 68 PPSMC_MSG_TransferTableSmu2Dram, 69 table_id) == 0, 70 "[CopyTableFromSMC] Attempt to Transfer Table From SMU Failed!", 71 return -EINVAL); 72 73 /* flush hdp cache */ 74 amdgpu_asic_flush_hdp(adev, NULL); 75 76 memcpy(table, priv->smu_tables.entry[table_id].table, 77 priv->smu_tables.entry[table_id].size); 78 79 return 0; 80 } 81 82 /* 83 * Copy table from Driver FB into SMC 84 * @param hwmgr the address of the HW manager 85 * @param table_id the table to copy from 86 */ 87 static int vega12_copy_table_to_smc(struct pp_hwmgr *hwmgr, 88 uint8_t *table, int16_t table_id) 89 { 90 struct vega12_smumgr *priv = 91 (struct vega12_smumgr *)(hwmgr->smu_backend); 92 struct amdgpu_device *adev = hwmgr->adev; 93 94 PP_ASSERT_WITH_CODE(table_id < TABLE_COUNT, 95 "Invalid SMU Table ID!", return -EINVAL); 96 PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0, 97 "Invalid SMU Table version!", return -EINVAL); 98 PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0, 99 "Invalid SMU Table Length!", return -EINVAL); 100 101 memcpy(priv->smu_tables.entry[table_id].table, table, 102 priv->smu_tables.entry[table_id].size); 103 104 amdgpu_asic_flush_hdp(adev, NULL); 105 106 PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr, 107 PPSMC_MSG_SetDriverDramAddrHigh, 108 upper_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0, 109 "[CopyTableToSMC] Attempt to Set Dram Addr High Failed!", 110 return -EINVAL;); 111 PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr, 112 PPSMC_MSG_SetDriverDramAddrLow, 113 lower_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0, 114 "[CopyTableToSMC] Attempt to Set Dram Addr Low Failed!", 115 return -EINVAL); 116 PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr, 117 PPSMC_MSG_TransferTableDram2Smu, 118 table_id) == 0, 119 "[CopyTableToSMC] Attempt to Transfer Table To SMU Failed!", 120 return -EINVAL); 121 122 return 0; 123 } 124 125 int vega12_enable_smc_features(struct pp_hwmgr *hwmgr, 126 bool enable, uint64_t feature_mask) 127 { 128 uint32_t smu_features_low, smu_features_high; 129 130 smu_features_low = (uint32_t)((feature_mask & SMU_FEATURES_LOW_MASK) >> SMU_FEATURES_LOW_SHIFT); 131 smu_features_high = (uint32_t)((feature_mask & SMU_FEATURES_HIGH_MASK) >> SMU_FEATURES_HIGH_SHIFT); 132 133 if (enable) { 134 PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr, 135 PPSMC_MSG_EnableSmuFeaturesLow, smu_features_low) == 0, 136 "[EnableDisableSMCFeatures] Attempt to enable SMU features Low failed!", 137 return -EINVAL); 138 PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr, 139 PPSMC_MSG_EnableSmuFeaturesHigh, smu_features_high) == 0, 140 "[EnableDisableSMCFeatures] Attempt to enable SMU features High failed!", 141 return -EINVAL); 142 } else { 143 PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr, 144 PPSMC_MSG_DisableSmuFeaturesLow, smu_features_low) == 0, 145 "[EnableDisableSMCFeatures] Attempt to disable SMU features Low failed!", 146 return -EINVAL); 147 PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr, 148 PPSMC_MSG_DisableSmuFeaturesHigh, smu_features_high) == 0, 149 "[EnableDisableSMCFeatures] Attempt to disable SMU features High failed!", 150 return -EINVAL); 151 } 152 153 return 0; 154 } 155 156 int vega12_get_enabled_smc_features(struct pp_hwmgr *hwmgr, 157 uint64_t *features_enabled) 158 { 159 uint32_t smc_features_low, smc_features_high; 160 161 if (features_enabled == NULL) 162 return -EINVAL; 163 164 PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc(hwmgr, 165 PPSMC_MSG_GetEnabledSmuFeaturesLow) == 0, 166 "[GetEnabledSMCFeatures] Attempt to get SMU features Low failed!", 167 return -EINVAL); 168 smc_features_low = smu9_get_argument(hwmgr); 169 170 PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc(hwmgr, 171 PPSMC_MSG_GetEnabledSmuFeaturesHigh) == 0, 172 "[GetEnabledSMCFeatures] Attempt to get SMU features High failed!", 173 return -EINVAL); 174 smc_features_high = smu9_get_argument(hwmgr); 175 176 *features_enabled = ((((uint64_t)smc_features_low << SMU_FEATURES_LOW_SHIFT) & SMU_FEATURES_LOW_MASK) | 177 (((uint64_t)smc_features_high << SMU_FEATURES_HIGH_SHIFT) & SMU_FEATURES_HIGH_MASK)); 178 179 return 0; 180 } 181 182 static bool vega12_is_dpm_running(struct pp_hwmgr *hwmgr) 183 { 184 uint64_t features_enabled = 0; 185 186 vega12_get_enabled_smc_features(hwmgr, &features_enabled); 187 188 if (features_enabled & SMC_DPM_FEATURES) 189 return true; 190 else 191 return false; 192 } 193 194 static int vega12_set_tools_address(struct pp_hwmgr *hwmgr) 195 { 196 struct vega12_smumgr *priv = 197 (struct vega12_smumgr *)(hwmgr->smu_backend); 198 199 if (priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr) { 200 if (!smu9_send_msg_to_smc_with_parameter(hwmgr, 201 PPSMC_MSG_SetToolsDramAddrHigh, 202 upper_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr))) 203 smu9_send_msg_to_smc_with_parameter(hwmgr, 204 PPSMC_MSG_SetToolsDramAddrLow, 205 lower_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr)); 206 } 207 return 0; 208 } 209 210 static int vega12_smu_init(struct pp_hwmgr *hwmgr) 211 { 212 struct vega12_smumgr *priv; 213 unsigned long tools_size; 214 struct cgs_firmware_info info = {0}; 215 int ret; 216 217 ret = cgs_get_firmware_info(hwmgr->device, CGS_UCODE_ID_SMU, 218 &info); 219 if (ret || !info.kptr) 220 return -EINVAL; 221 222 priv = kzalloc(sizeof(struct vega12_smumgr), GFP_KERNEL); 223 if (!priv) 224 return -ENOMEM; 225 226 hwmgr->smu_backend = priv; 227 228 /* allocate space for pptable */ 229 ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev, 230 sizeof(PPTable_t), 231 PAGE_SIZE, 232 AMDGPU_GEM_DOMAIN_VRAM, 233 &priv->smu_tables.entry[TABLE_PPTABLE].handle, 234 &priv->smu_tables.entry[TABLE_PPTABLE].mc_addr, 235 &priv->smu_tables.entry[TABLE_PPTABLE].table); 236 if (ret) 237 goto free_backend; 238 239 priv->smu_tables.entry[TABLE_PPTABLE].version = 0x01; 240 priv->smu_tables.entry[TABLE_PPTABLE].size = sizeof(PPTable_t); 241 242 /* allocate space for watermarks table */ 243 ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev, 244 sizeof(Watermarks_t), 245 PAGE_SIZE, 246 AMDGPU_GEM_DOMAIN_VRAM, 247 &priv->smu_tables.entry[TABLE_WATERMARKS].handle, 248 &priv->smu_tables.entry[TABLE_WATERMARKS].mc_addr, 249 &priv->smu_tables.entry[TABLE_WATERMARKS].table); 250 251 if (ret) 252 goto err0; 253 254 priv->smu_tables.entry[TABLE_WATERMARKS].version = 0x01; 255 priv->smu_tables.entry[TABLE_WATERMARKS].size = sizeof(Watermarks_t); 256 257 tools_size = 0x19000; 258 if (tools_size) { 259 ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev, 260 tools_size, 261 PAGE_SIZE, 262 AMDGPU_GEM_DOMAIN_VRAM, 263 &priv->smu_tables.entry[TABLE_PMSTATUSLOG].handle, 264 &priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr, 265 &priv->smu_tables.entry[TABLE_PMSTATUSLOG].table); 266 if (ret) 267 goto err1; 268 269 priv->smu_tables.entry[TABLE_PMSTATUSLOG].version = 0x01; 270 priv->smu_tables.entry[TABLE_PMSTATUSLOG].size = tools_size; 271 } 272 273 /* allocate space for AVFS Fuse table */ 274 ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev, 275 sizeof(AvfsFuseOverride_t), 276 PAGE_SIZE, 277 AMDGPU_GEM_DOMAIN_VRAM, 278 &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].handle, 279 &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].mc_addr, 280 &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].table); 281 282 if (ret) 283 goto err2; 284 285 priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].version = 0x01; 286 priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].size = sizeof(AvfsFuseOverride_t); 287 288 /* allocate space for OverDrive table */ 289 ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev, 290 sizeof(OverDriveTable_t), 291 PAGE_SIZE, 292 AMDGPU_GEM_DOMAIN_VRAM, 293 &priv->smu_tables.entry[TABLE_OVERDRIVE].handle, 294 &priv->smu_tables.entry[TABLE_OVERDRIVE].mc_addr, 295 &priv->smu_tables.entry[TABLE_OVERDRIVE].table); 296 if (ret) 297 goto err3; 298 299 priv->smu_tables.entry[TABLE_OVERDRIVE].version = 0x01; 300 priv->smu_tables.entry[TABLE_OVERDRIVE].size = sizeof(OverDriveTable_t); 301 302 /* allocate space for SMU_METRICS table */ 303 ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev, 304 sizeof(SmuMetrics_t), 305 PAGE_SIZE, 306 AMDGPU_GEM_DOMAIN_VRAM, 307 &priv->smu_tables.entry[TABLE_SMU_METRICS].handle, 308 &priv->smu_tables.entry[TABLE_SMU_METRICS].mc_addr, 309 &priv->smu_tables.entry[TABLE_SMU_METRICS].table); 310 if (ret) 311 goto err4; 312 313 priv->smu_tables.entry[TABLE_SMU_METRICS].version = 0x01; 314 priv->smu_tables.entry[TABLE_SMU_METRICS].size = sizeof(SmuMetrics_t); 315 316 return 0; 317 318 err4: 319 amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_OVERDRIVE].handle, 320 &priv->smu_tables.entry[TABLE_OVERDRIVE].mc_addr, 321 &priv->smu_tables.entry[TABLE_OVERDRIVE].table); 322 err3: 323 amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].handle, 324 &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].mc_addr, 325 &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].table); 326 err2: 327 if (priv->smu_tables.entry[TABLE_PMSTATUSLOG].table) 328 amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PMSTATUSLOG].handle, 329 &priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr, 330 &priv->smu_tables.entry[TABLE_PMSTATUSLOG].table); 331 err1: 332 amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_WATERMARKS].handle, 333 &priv->smu_tables.entry[TABLE_WATERMARKS].mc_addr, 334 &priv->smu_tables.entry[TABLE_WATERMARKS].table); 335 err0: 336 amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PPTABLE].handle, 337 &priv->smu_tables.entry[TABLE_PPTABLE].mc_addr, 338 &priv->smu_tables.entry[TABLE_PPTABLE].table); 339 free_backend: 340 kfree(hwmgr->smu_backend); 341 342 return -EINVAL; 343 } 344 345 static int vega12_smu_fini(struct pp_hwmgr *hwmgr) 346 { 347 struct vega12_smumgr *priv = 348 (struct vega12_smumgr *)(hwmgr->smu_backend); 349 350 if (priv) { 351 amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PPTABLE].handle, 352 &priv->smu_tables.entry[TABLE_PPTABLE].mc_addr, 353 &priv->smu_tables.entry[TABLE_PPTABLE].table); 354 amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_WATERMARKS].handle, 355 &priv->smu_tables.entry[TABLE_WATERMARKS].mc_addr, 356 &priv->smu_tables.entry[TABLE_WATERMARKS].table); 357 if (priv->smu_tables.entry[TABLE_PMSTATUSLOG].table) 358 amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PMSTATUSLOG].handle, 359 &priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr, 360 &priv->smu_tables.entry[TABLE_PMSTATUSLOG].table); 361 amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].handle, 362 &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].mc_addr, 363 &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].table); 364 amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_OVERDRIVE].handle, 365 &priv->smu_tables.entry[TABLE_OVERDRIVE].mc_addr, 366 &priv->smu_tables.entry[TABLE_OVERDRIVE].table); 367 amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_SMU_METRICS].handle, 368 &priv->smu_tables.entry[TABLE_SMU_METRICS].mc_addr, 369 &priv->smu_tables.entry[TABLE_SMU_METRICS].table); 370 kfree(hwmgr->smu_backend); 371 hwmgr->smu_backend = NULL; 372 } 373 return 0; 374 } 375 376 static int vega12_start_smu(struct pp_hwmgr *hwmgr) 377 { 378 PP_ASSERT_WITH_CODE(smu9_is_smc_ram_running(hwmgr), 379 "SMC is not running!", 380 return -EINVAL); 381 382 vega12_set_tools_address(hwmgr); 383 384 return 0; 385 } 386 387 static int vega12_smc_table_manager(struct pp_hwmgr *hwmgr, uint8_t *table, 388 uint16_t table_id, bool rw) 389 { 390 int ret; 391 392 if (rw) 393 ret = vega12_copy_table_from_smc(hwmgr, table, table_id); 394 else 395 ret = vega12_copy_table_to_smc(hwmgr, table, table_id); 396 397 return ret; 398 } 399 400 const struct pp_smumgr_func vega12_smu_funcs = { 401 .name = "vega12_smu", 402 .smu_init = &vega12_smu_init, 403 .smu_fini = &vega12_smu_fini, 404 .start_smu = &vega12_start_smu, 405 .request_smu_load_specific_fw = NULL, 406 .send_msg_to_smc = &smu9_send_msg_to_smc, 407 .send_msg_to_smc_with_parameter = &smu9_send_msg_to_smc_with_parameter, 408 .download_pptable_settings = NULL, 409 .upload_pptable_settings = NULL, 410 .is_dpm_running = vega12_is_dpm_running, 411 .get_argument = smu9_get_argument, 412 .smc_table_manager = vega12_smc_table_manager, 413 }; 414