1 /* 2 * Copyright 2019 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 23 #define SWSMU_CODE_LAYER_L3 24 25 #include <linux/firmware.h> 26 #include "amdgpu.h" 27 #include "amdgpu_smu.h" 28 #include "atomfirmware.h" 29 #include "amdgpu_atomfirmware.h" 30 #include "amdgpu_atombios.h" 31 #include "smu_v12_0.h" 32 #include "soc15_common.h" 33 #include "atom.h" 34 #include "smu_cmn.h" 35 36 #include "asic_reg/mp/mp_12_0_0_offset.h" 37 #include "asic_reg/mp/mp_12_0_0_sh_mask.h" 38 #include "asic_reg/smuio/smuio_12_0_0_offset.h" 39 #include "asic_reg/smuio/smuio_12_0_0_sh_mask.h" 40 41 /* 42 * DO NOT use these for err/warn/info/debug messages. 43 * Use dev_err, dev_warn, dev_info and dev_dbg instead. 44 * They are more MGPU friendly. 45 */ 46 #undef pr_err 47 #undef pr_warn 48 #undef pr_info 49 #undef pr_debug 50 51 // because some SMU12 based ASICs use older ip offset tables 52 // we should undefine this register from the smuio12 header 53 // to prevent confusion down the road 54 #undef mmPWR_MISC_CNTL_STATUS 55 56 #define smnMP1_FIRMWARE_FLAGS 0x3010024 57 58 int smu_v12_0_check_fw_status(struct smu_context *smu) 59 { 60 struct amdgpu_device *adev = smu->adev; 61 uint32_t mp1_fw_flags; 62 63 mp1_fw_flags = RREG32_PCIE(MP1_Public | 64 (smnMP1_FIRMWARE_FLAGS & 0xffffffff)); 65 66 if ((mp1_fw_flags & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) >> 67 MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED__SHIFT) 68 return 0; 69 70 return -EIO; 71 } 72 73 int smu_v12_0_check_fw_version(struct smu_context *smu) 74 { 75 struct amdgpu_device *adev = smu->adev; 76 uint32_t if_version = 0xff, smu_version = 0xff; 77 uint16_t smu_major; 78 uint8_t smu_minor, smu_debug; 79 int ret = 0; 80 81 ret = smu_cmn_get_smc_version(smu, &if_version, &smu_version); 82 if (ret) 83 return ret; 84 85 smu_major = (smu_version >> 16) & 0xffff; 86 smu_minor = (smu_version >> 8) & 0xff; 87 smu_debug = (smu_version >> 0) & 0xff; 88 if (smu->is_apu) 89 adev->pm.fw_version = smu_version; 90 91 /* 92 * 1. if_version mismatch is not critical as our fw is designed 93 * to be backward compatible. 94 * 2. New fw usually brings some optimizations. But that's visible 95 * only on the paired driver. 96 * Considering above, we just leave user a warning message instead 97 * of halt driver loading. 98 */ 99 if (if_version != smu->smc_driver_if_version) { 100 dev_info(smu->adev->dev, "smu driver if version = 0x%08x, smu fw if version = 0x%08x, " 101 "smu fw version = 0x%08x (%d.%d.%d)\n", 102 smu->smc_driver_if_version, if_version, 103 smu_version, smu_major, smu_minor, smu_debug); 104 dev_warn(smu->adev->dev, "SMU driver if version not matched\n"); 105 } 106 107 return ret; 108 } 109 110 int smu_v12_0_powergate_sdma(struct smu_context *smu, bool gate) 111 { 112 if (!smu->is_apu) 113 return 0; 114 115 if (gate) 116 return smu_cmn_send_smc_msg(smu, SMU_MSG_PowerDownSdma, NULL); 117 else 118 return smu_cmn_send_smc_msg(smu, SMU_MSG_PowerUpSdma, NULL); 119 } 120 121 int smu_v12_0_set_gfx_cgpg(struct smu_context *smu, bool enable) 122 { 123 if (!(smu->adev->pg_flags & AMD_PG_SUPPORT_GFX_PG)) 124 return 0; 125 126 return smu_cmn_send_smc_msg_with_param(smu, 127 SMU_MSG_SetGfxCGPG, 128 enable ? 1 : 0, 129 NULL); 130 } 131 132 /** 133 * smu_v12_0_get_gfxoff_status - get gfxoff status 134 * 135 * @smu: amdgpu_device pointer 136 * 137 * This function will be used to get gfxoff status 138 * 139 * Returns 0=GFXOFF(default). 140 * Returns 1=Transition out of GFX State. 141 * Returns 2=Not in GFXOFF. 142 * Returns 3=Transition into GFXOFF. 143 */ 144 uint32_t smu_v12_0_get_gfxoff_status(struct smu_context *smu) 145 { 146 uint32_t reg; 147 uint32_t gfxOff_Status = 0; 148 struct amdgpu_device *adev = smu->adev; 149 150 reg = RREG32_SOC15(SMUIO, 0, mmSMUIO_GFX_MISC_CNTL); 151 gfxOff_Status = (reg & SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS_MASK) 152 >> SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS__SHIFT; 153 154 return gfxOff_Status; 155 } 156 157 int smu_v12_0_gfx_off_control(struct smu_context *smu, bool enable) 158 { 159 int ret = 0, timeout = 500; 160 161 if (enable) { 162 ret = smu_cmn_send_smc_msg(smu, SMU_MSG_AllowGfxOff, NULL); 163 164 } else { 165 ret = smu_cmn_send_smc_msg(smu, SMU_MSG_DisallowGfxOff, NULL); 166 167 /* confirm gfx is back to "on" state, timeout is 0.5 second */ 168 while (!(smu_v12_0_get_gfxoff_status(smu) == 2)) { 169 msleep(1); 170 timeout--; 171 if (timeout == 0) { 172 DRM_ERROR("disable gfxoff timeout and failed!\n"); 173 break; 174 } 175 } 176 } 177 178 return ret; 179 } 180 181 int smu_v12_0_fini_smc_tables(struct smu_context *smu) 182 { 183 struct smu_table_context *smu_table = &smu->smu_table; 184 185 kfree(smu_table->clocks_table); 186 smu_table->clocks_table = NULL; 187 188 kfree(smu_table->metrics_table); 189 smu_table->metrics_table = NULL; 190 191 kfree(smu_table->watermarks_table); 192 smu_table->watermarks_table = NULL; 193 194 return 0; 195 } 196 197 int smu_v12_0_set_default_dpm_tables(struct smu_context *smu) 198 { 199 struct smu_table_context *smu_table = &smu->smu_table; 200 201 return smu_cmn_update_table(smu, SMU_TABLE_DPMCLOCKS, 0, smu_table->clocks_table, false); 202 } 203 204 int smu_v12_0_mode2_reset(struct smu_context *smu){ 205 return smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GfxDeviceDriverReset, SMU_RESET_MODE_2, NULL); 206 } 207 208 int smu_v12_0_set_soft_freq_limited_range(struct smu_context *smu, enum smu_clk_type clk_type, 209 uint32_t min, uint32_t max) 210 { 211 int ret = 0; 212 213 if (!smu_cmn_clk_dpm_is_enabled(smu, clk_type)) 214 return 0; 215 216 switch (clk_type) { 217 case SMU_GFXCLK: 218 case SMU_SCLK: 219 ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetHardMinGfxClk, min, NULL); 220 if (ret) 221 return ret; 222 223 ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMaxGfxClk, max, NULL); 224 if (ret) 225 return ret; 226 break; 227 case SMU_FCLK: 228 case SMU_MCLK: 229 case SMU_UCLK: 230 ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetHardMinFclkByFreq, min, NULL); 231 if (ret) 232 return ret; 233 234 ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMaxFclkByFreq, max, NULL); 235 if (ret) 236 return ret; 237 break; 238 case SMU_SOCCLK: 239 ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetHardMinSocclkByFreq, min, NULL); 240 if (ret) 241 return ret; 242 243 ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMaxSocclkByFreq, max, NULL); 244 if (ret) 245 return ret; 246 break; 247 case SMU_VCLK: 248 ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetHardMinVcn, min, NULL); 249 if (ret) 250 return ret; 251 252 ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMaxVcn, max, NULL); 253 if (ret) 254 return ret; 255 break; 256 default: 257 return -EINVAL; 258 } 259 260 return ret; 261 } 262 263 int smu_v12_0_set_driver_table_location(struct smu_context *smu) 264 { 265 struct smu_table *driver_table = &smu->smu_table.driver_table; 266 int ret = 0; 267 268 if (driver_table->mc_address) { 269 ret = smu_cmn_send_smc_msg_with_param(smu, 270 SMU_MSG_SetDriverDramAddrHigh, 271 upper_32_bits(driver_table->mc_address), 272 NULL); 273 if (!ret) 274 ret = smu_cmn_send_smc_msg_with_param(smu, 275 SMU_MSG_SetDriverDramAddrLow, 276 lower_32_bits(driver_table->mc_address), 277 NULL); 278 } 279 280 return ret; 281 } 282 283 static int smu_v12_0_atom_get_smu_clockinfo(struct amdgpu_device *adev, 284 uint8_t clk_id, 285 uint8_t syspll_id, 286 uint32_t *clk_freq) 287 { 288 struct atom_get_smu_clock_info_parameters_v3_1 input = {0}; 289 struct atom_get_smu_clock_info_output_parameters_v3_1 *output; 290 int ret, index; 291 292 input.clk_id = clk_id; 293 input.syspll_id = syspll_id; 294 input.command = GET_SMU_CLOCK_INFO_V3_1_GET_CLOCK_FREQ; 295 index = get_index_into_master_table(atom_master_list_of_command_functions_v2_1, 296 getsmuclockinfo); 297 298 ret = amdgpu_atom_execute_table(adev->mode_info.atom_context, index, 299 (uint32_t *)&input); 300 if (ret) 301 return -EINVAL; 302 303 output = (struct atom_get_smu_clock_info_output_parameters_v3_1 *)&input; 304 *clk_freq = le32_to_cpu(output->atom_smu_outputclkfreq.smu_clock_freq_hz) / 10000; 305 306 return 0; 307 } 308 309 int smu_v12_0_get_vbios_bootup_values(struct smu_context *smu) 310 { 311 int ret, index; 312 uint16_t size; 313 uint8_t frev, crev; 314 struct atom_common_table_header *header; 315 struct atom_firmware_info_v3_1 *v_3_1; 316 struct atom_firmware_info_v3_3 *v_3_3; 317 318 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 319 firmwareinfo); 320 321 ret = amdgpu_atombios_get_data_table(smu->adev, index, &size, &frev, &crev, 322 (uint8_t **)&header); 323 if (ret) 324 return ret; 325 326 if (header->format_revision != 3) { 327 dev_err(smu->adev->dev, "unknown atom_firmware_info version! for smu12\n"); 328 return -EINVAL; 329 } 330 331 switch (header->content_revision) { 332 case 0: 333 case 1: 334 case 2: 335 v_3_1 = (struct atom_firmware_info_v3_1 *)header; 336 smu->smu_table.boot_values.revision = v_3_1->firmware_revision; 337 smu->smu_table.boot_values.gfxclk = v_3_1->bootup_sclk_in10khz; 338 smu->smu_table.boot_values.uclk = v_3_1->bootup_mclk_in10khz; 339 smu->smu_table.boot_values.socclk = 0; 340 smu->smu_table.boot_values.dcefclk = 0; 341 smu->smu_table.boot_values.vddc = v_3_1->bootup_vddc_mv; 342 smu->smu_table.boot_values.vddci = v_3_1->bootup_vddci_mv; 343 smu->smu_table.boot_values.mvddc = v_3_1->bootup_mvddc_mv; 344 smu->smu_table.boot_values.vdd_gfx = v_3_1->bootup_vddgfx_mv; 345 smu->smu_table.boot_values.cooling_id = v_3_1->coolingsolution_id; 346 smu->smu_table.boot_values.pp_table_id = 0; 347 smu->smu_table.boot_values.firmware_caps = v_3_1->firmware_capability; 348 break; 349 case 3: 350 case 4: 351 default: 352 v_3_3 = (struct atom_firmware_info_v3_3 *)header; 353 smu->smu_table.boot_values.revision = v_3_3->firmware_revision; 354 smu->smu_table.boot_values.gfxclk = v_3_3->bootup_sclk_in10khz; 355 smu->smu_table.boot_values.uclk = v_3_3->bootup_mclk_in10khz; 356 smu->smu_table.boot_values.socclk = 0; 357 smu->smu_table.boot_values.dcefclk = 0; 358 smu->smu_table.boot_values.vddc = v_3_3->bootup_vddc_mv; 359 smu->smu_table.boot_values.vddci = v_3_3->bootup_vddci_mv; 360 smu->smu_table.boot_values.mvddc = v_3_3->bootup_mvddc_mv; 361 smu->smu_table.boot_values.vdd_gfx = v_3_3->bootup_vddgfx_mv; 362 smu->smu_table.boot_values.cooling_id = v_3_3->coolingsolution_id; 363 smu->smu_table.boot_values.pp_table_id = v_3_3->pplib_pptable_id; 364 smu->smu_table.boot_values.firmware_caps = v_3_3->firmware_capability; 365 } 366 367 smu->smu_table.boot_values.format_revision = header->format_revision; 368 smu->smu_table.boot_values.content_revision = header->content_revision; 369 370 smu_v12_0_atom_get_smu_clockinfo(smu->adev, 371 (uint8_t)SMU12_SYSPLL0_SOCCLK_ID, 372 (uint8_t)SMU12_SYSPLL0_ID, 373 &smu->smu_table.boot_values.socclk); 374 375 smu_v12_0_atom_get_smu_clockinfo(smu->adev, 376 (uint8_t)SMU12_SYSPLL1_DCFCLK_ID, 377 (uint8_t)SMU12_SYSPLL1_ID, 378 &smu->smu_table.boot_values.dcefclk); 379 380 smu_v12_0_atom_get_smu_clockinfo(smu->adev, 381 (uint8_t)SMU12_SYSPLL0_VCLK_ID, 382 (uint8_t)SMU12_SYSPLL0_ID, 383 &smu->smu_table.boot_values.vclk); 384 385 smu_v12_0_atom_get_smu_clockinfo(smu->adev, 386 (uint8_t)SMU12_SYSPLL0_DCLK_ID, 387 (uint8_t)SMU12_SYSPLL0_ID, 388 &smu->smu_table.boot_values.dclk); 389 390 if ((smu->smu_table.boot_values.format_revision == 3) && 391 (smu->smu_table.boot_values.content_revision >= 2)) 392 smu_v12_0_atom_get_smu_clockinfo(smu->adev, 393 (uint8_t)SMU12_SYSPLL3_0_FCLK_ID, 394 (uint8_t)SMU12_SYSPLL3_0_ID, 395 &smu->smu_table.boot_values.fclk); 396 397 smu_v12_0_atom_get_smu_clockinfo(smu->adev, 398 (uint8_t)SMU12_SYSPLL0_LCLK_ID, 399 (uint8_t)SMU12_SYSPLL0_ID, 400 &smu->smu_table.boot_values.lclk); 401 402 return 0; 403 } 404