drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c

   1 /*
   2  * Copyright 2022 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 #include "amdgpu.h"
  24 #include "amdgpu_atombios.h"
  25 #include "nbio_v7_9.h"
  26 #include "amdgpu_ras.h"
  27
  28 #include "nbio/nbio_7_9_0_offset.h"
  29 #include "nbio/nbio_7_9_0_sh_mask.h"
  30 #include "ivsrcid/nbio/irqsrcs_nbif_7_4.h"
  31 #include <uapi/linux/kfd_ioctl.h>
  32
  33 #define NPS_MODE_MASK 0x000000FFL
  34
  35 /* Core 0 Port 0 counter */
  36 #define smnPCIEP_NAK_COUNTER 0x1A340218
  37
  38 static void nbio_v7_9_remap_hdp_registers(struct amdgpu_device *adev)
  39 {
  40         WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
  41                 adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
  42         WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL,
  43                 adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
  44 }
  45
  46 static u32 nbio_v7_9_get_rev_id(struct amdgpu_device *adev)
  47 {
  48         u32 tmp;
  49
  50         tmp = IP_VERSION_SUBREV(amdgpu_ip_version_full(adev, NBIO_HWIP, 0));
  51         /* If it is VF or subrevision holds a non-zero value, that should be used */
  52         if (tmp || amdgpu_sriov_vf(adev))
  53                 return tmp;
  54
  55         /* If discovery subrev is not updated, use register version */
  56         tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0);
  57         tmp = REG_GET_FIELD(tmp, RCC_STRAP0_RCC_DEV0_EPF0_STRAP0,
  58                             STRAP_ATI_REV_ID_DEV0_F0);
  59
  60         return tmp;
  61 }
  62
  63 static void nbio_v7_9_mc_access_enable(struct amdgpu_device *adev, bool enable)
  64 {
  65         if (enable)
  66                 WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN,
  67                         BIF_BX0_BIF_FB_EN__FB_READ_EN_MASK | BIF_BX0_BIF_FB_EN__FB_WRITE_EN_MASK);
  68         else
  69                 WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN, 0);
  70 }
  71
  72 static u32 nbio_v7_9_get_memsize(struct amdgpu_device *adev)
  73 {
  74         return RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_RCC_CONFIG_MEMSIZE);
  75 }
  76
  77 static void nbio_v7_9_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
  78                         bool use_doorbell, int doorbell_index, int doorbell_size)
  79 {
  80         u32 doorbell_range = 0, doorbell_ctrl = 0;
  81         int aid_id, dev_inst;
  82
  83         dev_inst = GET_INST(SDMA0, instance);
  84         aid_id = adev->sdma.instance[instance].aid_id;
  85
  86         if (use_doorbell == false)
  87                 return;
  88
  89         doorbell_range =
  90                 REG_SET_FIELD(doorbell_range, DOORBELL0_CTRL_ENTRY_0,
  91                         BIF_DOORBELL0_RANGE_OFFSET_ENTRY, doorbell_index);
  92         doorbell_range =
  93                 REG_SET_FIELD(doorbell_range, DOORBELL0_CTRL_ENTRY_0,
  94                         BIF_DOORBELL0_RANGE_SIZE_ENTRY, doorbell_size);
  95         doorbell_ctrl =
  96                 REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL,
  97                         S2A_DOORBELL_PORT1_ENABLE, 1);
  98         doorbell_ctrl =
  99                 REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL,
 100                         S2A_DOORBELL_PORT1_RANGE_SIZE, doorbell_size);
 101
 102         switch (dev_inst % adev->sdma.num_inst_per_aid) {
 103         case 0:
 104                 WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_1,
 105                         4 * aid_id, doorbell_range);
 106
 107                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 108                                         S2A_DOORBELL_ENTRY_1_CTRL,
 109                                         S2A_DOORBELL_PORT1_AWID, 0xe);
 110                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 111                                         S2A_DOORBELL_ENTRY_1_CTRL,
 112                                         S2A_DOORBELL_PORT1_RANGE_OFFSET, 0xe);
 113                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 114                                         S2A_DOORBELL_ENTRY_1_CTRL,
 115                                         S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE,
 116                                         0x1);
 117                 WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_1_CTRL,
 118                         aid_id, doorbell_ctrl);
 119                 break;
 120         case 1:
 121                 WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_2,
 122                         4 * aid_id, doorbell_range);
 123
 124                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 125                                         S2A_DOORBELL_ENTRY_1_CTRL,
 126                                         S2A_DOORBELL_PORT1_AWID, 0x8);
 127                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 128                                         S2A_DOORBELL_ENTRY_1_CTRL,
 129                                         S2A_DOORBELL_PORT1_RANGE_OFFSET, 0x8);
 130                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 131                                         S2A_DOORBELL_ENTRY_1_CTRL,
 132                                         S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE,
 133                                         0x2);
 134                 WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_2_CTRL,
 135                         aid_id, doorbell_ctrl);
 136                 break;
 137         case 2:
 138                 WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_3,
 139                         4 * aid_id, doorbell_range);
 140
 141                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 142                                         S2A_DOORBELL_ENTRY_1_CTRL,
 143                                         S2A_DOORBELL_PORT1_AWID, 0x9);
 144                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 145                                         S2A_DOORBELL_ENTRY_1_CTRL,
 146                                         S2A_DOORBELL_PORT1_RANGE_OFFSET, 0x9);
 147                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 148                                         S2A_DOORBELL_ENTRY_1_CTRL,
 149                                         S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE,
 150                                         0x8);
 151                 WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_5_CTRL,
 152                         aid_id, doorbell_ctrl);
 153                 break;
 154         case 3:
 155                 WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_4,
 156                         4 * aid_id, doorbell_range);
 157
 158                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 159                                         S2A_DOORBELL_ENTRY_1_CTRL,
 160                                         S2A_DOORBELL_PORT1_AWID, 0xa);
 161                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 162                                         S2A_DOORBELL_ENTRY_1_CTRL,
 163                                         S2A_DOORBELL_PORT1_RANGE_OFFSET, 0xa);
 164                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 165                                         S2A_DOORBELL_ENTRY_1_CTRL,
 166                                         S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE,
 167                                         0x9);
 168                 WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_6_CTRL,
 169                         aid_id, doorbell_ctrl);
 170                 break;
 171         default:
 172                 break;
 173         }
 174 }
 175
 176 static void nbio_v7_9_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
 177                                          int doorbell_index, int instance)
 178 {
 179         u32 doorbell_range = 0, doorbell_ctrl = 0;
 180         u32 aid_id = instance;
 181
 182         if (use_doorbell) {
 183                 doorbell_range = REG_SET_FIELD(doorbell_range,
 184                                 DOORBELL0_CTRL_ENTRY_0,
 185                                 BIF_DOORBELL0_RANGE_OFFSET_ENTRY,
 186                                 doorbell_index);
 187                 doorbell_range = REG_SET_FIELD(doorbell_range,
 188                                 DOORBELL0_CTRL_ENTRY_0,
 189                                 BIF_DOORBELL0_RANGE_SIZE_ENTRY,
 190                                 0x9);
 191                 if (aid_id)
 192                         doorbell_range = REG_SET_FIELD(doorbell_range,
 193                                         DOORBELL0_CTRL_ENTRY_0,
 194                                         DOORBELL0_FENCE_ENABLE_ENTRY,
 195                                         0x4);
 196
 197                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 198                                 S2A_DOORBELL_ENTRY_1_CTRL,
 199                                 S2A_DOORBELL_PORT1_ENABLE, 1);
 200                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 201                                 S2A_DOORBELL_ENTRY_1_CTRL,
 202                                 S2A_DOORBELL_PORT1_AWID, 0x4);
 203                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 204                                 S2A_DOORBELL_ENTRY_1_CTRL,
 205                                 S2A_DOORBELL_PORT1_RANGE_OFFSET, 0x4);
 206                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 207                                 S2A_DOORBELL_ENTRY_1_CTRL,
 208                                 S2A_DOORBELL_PORT1_RANGE_SIZE, 0x9);
 209                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 210                                 S2A_DOORBELL_ENTRY_1_CTRL,
 211                                 S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE, 0x4);
 212
 213                 WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_17,
 214                                         aid_id, doorbell_range);
 215                 WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_4_CTRL,
 216                                 aid_id, doorbell_ctrl);
 217         } else {
 218                 doorbell_range = REG_SET_FIELD(doorbell_range,
 219                                 DOORBELL0_CTRL_ENTRY_0,
 220                                 BIF_DOORBELL0_RANGE_SIZE_ENTRY, 0);
 221                 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
 222                                 S2A_DOORBELL_ENTRY_1_CTRL,
 223                                 S2A_DOORBELL_PORT1_RANGE_SIZE, 0);
 224
 225                 WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_17,
 226                                         aid_id, doorbell_range);
 227                 WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_4_CTRL,
 228                                 aid_id, doorbell_ctrl);
 229         }
 230 }
 231
 232 static void nbio_v7_9_enable_doorbell_aperture(struct amdgpu_device *adev,
 233                                                bool enable)
 234 {
 235         /* Enable to allow doorbell pass thru on pre-silicon bare-metal */
 236         WREG32_SOC15(NBIO, 0, regBIFC_DOORBELL_ACCESS_EN_PF, 0xfffff);
 237         WREG32_FIELD15_PREREG(NBIO, 0, RCC_DEV0_EPF0_RCC_DOORBELL_APER_EN,
 238                         BIF_DOORBELL_APER_EN, enable ? 1 : 0);
 239 }
 240
 241 static void nbio_v7_9_enable_doorbell_selfring_aperture(struct amdgpu_device *adev,
 242                                                         bool enable)
 243 {
 244         u32 tmp = 0;
 245
 246         if (enable) {
 247                 tmp = REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
 248                                     DOORBELL_SELFRING_GPA_APER_EN, 1) |
 249                       REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
 250                                     DOORBELL_SELFRING_GPA_APER_MODE, 1) |
 251                       REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
 252                                     DOORBELL_SELFRING_GPA_APER_SIZE, 0);
 253
 254                 WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_LOW,
 255                              lower_32_bits(adev->doorbell.base));
 256                 WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_HIGH,
 257                              upper_32_bits(adev->doorbell.base));
 258         }
 259
 260         WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, tmp);
 261 }
 262
 263 static void nbio_v7_9_ih_doorbell_range(struct amdgpu_device *adev,
 264                                         bool use_doorbell, int doorbell_index)
 265 {
 266         u32 ih_doorbell_range = 0, ih_doorbell_ctrl = 0;
 267
 268         if (use_doorbell) {
 269                 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
 270                                 DOORBELL0_CTRL_ENTRY_0,
 271                                 BIF_DOORBELL0_RANGE_OFFSET_ENTRY,
 272                                 doorbell_index);
 273                 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
 274                                 DOORBELL0_CTRL_ENTRY_0,
 275                                 BIF_DOORBELL0_RANGE_SIZE_ENTRY,
 276                                 0x8);
 277
 278                 ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
 279                                 S2A_DOORBELL_ENTRY_1_CTRL,
 280                                 S2A_DOORBELL_PORT1_ENABLE, 1);
 281                 ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
 282                                 S2A_DOORBELL_ENTRY_1_CTRL,
 283                                 S2A_DOORBELL_PORT1_AWID, 0);
 284                 ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
 285                                 S2A_DOORBELL_ENTRY_1_CTRL,
 286                                 S2A_DOORBELL_PORT1_RANGE_OFFSET, 0);
 287                 ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
 288                                 S2A_DOORBELL_ENTRY_1_CTRL,
 289                                 S2A_DOORBELL_PORT1_RANGE_SIZE, 0x8);
 290                 ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
 291                                 S2A_DOORBELL_ENTRY_1_CTRL,
 292                                 S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE, 0);
 293         } else {
 294                 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
 295                                 DOORBELL0_CTRL_ENTRY_0,
 296                                 BIF_DOORBELL0_RANGE_SIZE_ENTRY, 0);
 297                 ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
 298                                 S2A_DOORBELL_ENTRY_1_CTRL,
 299                                 S2A_DOORBELL_PORT1_RANGE_SIZE, 0);
 300         }
 301
 302         WREG32_SOC15(NBIO, 0, regDOORBELL0_CTRL_ENTRY_0, ih_doorbell_range);
 303         WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_3_CTRL, ih_doorbell_ctrl);
 304 }
 305
 306
 307 static void nbio_v7_9_update_medium_grain_clock_gating(struct amdgpu_device *adev,
 308                                                        bool enable)
 309 {
 310 }
 311
 312 static void nbio_v7_9_update_medium_grain_light_sleep(struct amdgpu_device *adev,
 313                                                       bool enable)
 314 {
 315 }
 316
 317 static void nbio_v7_9_get_clockgating_state(struct amdgpu_device *adev,
 318                                             u64 *flags)
 319 {
 320 }
 321
 322 static void nbio_v7_9_ih_control(struct amdgpu_device *adev)
 323 {
 324         u32 interrupt_cntl;
 325
 326         /* setup interrupt control */
 327         WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL2, adev->dummy_page_addr >> 8);
 328         interrupt_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL);
 329         /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi
 330          * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN
 331          */
 332         interrupt_cntl =
 333                 REG_SET_FIELD(interrupt_cntl, BIF_BX0_INTERRUPT_CNTL, IH_DUMMY_RD_OVERRIDE, 0);
 334         /* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */
 335         interrupt_cntl =
 336                 REG_SET_FIELD(interrupt_cntl, BIF_BX0_INTERRUPT_CNTL, IH_REQ_NONSNOOP_EN, 0);
 337         WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL, interrupt_cntl);
 338 }
 339
 340 static u32 nbio_v7_9_get_hdp_flush_req_offset(struct amdgpu_device *adev)
 341 {
 342         return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_REQ);
 343 }
 344
 345 static u32 nbio_v7_9_get_hdp_flush_done_offset(struct amdgpu_device *adev)
 346 {
 347         return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_DONE);
 348 }
 349
 350 static u32 nbio_v7_9_get_pcie_index_offset(struct amdgpu_device *adev)
 351 {
 352         return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_INDEX2);
 353 }
 354
 355 static u32 nbio_v7_9_get_pcie_data_offset(struct amdgpu_device *adev)
 356 {
 357         return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_DATA2);
 358 }
 359
 360 static u32 nbio_v7_9_get_pcie_index_hi_offset(struct amdgpu_device *adev)
 361 {
 362         return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_INDEX2_HI);
 363 }
 364
 365 const struct nbio_hdp_flush_reg nbio_v7_9_hdp_flush_reg = {
 366         .ref_and_mask_cp0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP0_MASK,
 367         .ref_and_mask_cp1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP1_MASK,
 368         .ref_and_mask_cp2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP2_MASK,
 369         .ref_and_mask_cp3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP3_MASK,
 370         .ref_and_mask_cp4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP4_MASK,
 371         .ref_and_mask_cp5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP5_MASK,
 372         .ref_and_mask_cp6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP6_MASK,
 373         .ref_and_mask_cp7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP7_MASK,
 374         .ref_and_mask_cp8 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP8_MASK,
 375         .ref_and_mask_cp9 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP9_MASK,
 376         .ref_and_mask_sdma0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA0_MASK,
 377         .ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK,
 378         .ref_and_mask_sdma2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG0_MASK,
 379         .ref_and_mask_sdma3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG1_MASK,
 380         .ref_and_mask_sdma4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG2_MASK,
 381         .ref_and_mask_sdma5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG3_MASK,
 382         .ref_and_mask_sdma6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG4_MASK,
 383         .ref_and_mask_sdma7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG5_MASK,
 384 };
 385
 386 static void nbio_v7_9_enable_doorbell_interrupt(struct amdgpu_device *adev,
 387                                                 bool enable)
 388 {
 389         WREG32_FIELD15_PREREG(NBIO, 0, BIF_BX0_BIF_DOORBELL_INT_CNTL,
 390                               DOORBELL_INTERRUPT_DISABLE, enable ? 0 : 1);
 391 }
 392
 393 static int nbio_v7_9_get_compute_partition_mode(struct amdgpu_device *adev)
 394 {
 395         u32 tmp, px;
 396
 397         tmp = RREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_COMPUTE_STATUS);
 398         px = REG_GET_FIELD(tmp, BIF_BX_PF0_PARTITION_COMPUTE_STATUS,
 399                            PARTITION_MODE);
 400
 401         return px;
 402 }
 403
 404 static bool nbio_v7_9_is_nps_switch_requested(struct amdgpu_device *adev)
 405 {
 406         u32 tmp;
 407
 408         tmp = RREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_MEM_STATUS);
 409         tmp = REG_GET_FIELD(tmp, BIF_BX_PF0_PARTITION_MEM_STATUS,
 410                             CHANGE_STATUE);
 411
 412         /* 0x8 - NPS switch requested */
 413         return (tmp == 0x8);
 414 }
 415 static u32 nbio_v7_9_get_memory_partition_mode(struct amdgpu_device *adev,
 416                                                u32 *supp_modes)
 417 {
 418         u32 tmp;
 419
 420         tmp = RREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_MEM_STATUS);
 421         tmp = REG_GET_FIELD(tmp, BIF_BX_PF0_PARTITION_MEM_STATUS, NPS_MODE);
 422
 423         if (supp_modes) {
 424                 *supp_modes =
 425                         RREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_MEM_CAP);
 426         }
 427
 428         return ffs(tmp);
 429 }
 430
 431 static void nbio_v7_9_init_registers(struct amdgpu_device *adev)
 432 {
 433         u32 inst_mask;
 434         int i;
 435
 436         WREG32_SOC15(NBIO, 0, regXCC_DOORBELL_FENCE,
 437                 0xff & ~(adev->gfx.xcc_mask));
 438
 439         WREG32_SOC15(NBIO, 0, regBIFC_GFX_INT_MONITOR_MASK, 0x7ff);
 440
 441         inst_mask = adev->aid_mask & ~1U;
 442         for_each_inst(i, inst_mask) {
 443                 WREG32_SOC15_EXT(NBIO, i, regXCC_DOORBELL_FENCE, i,
 444                         XCC_DOORBELL_FENCE__SHUB_SLV_MODE_MASK);
 445
 446         }
 447
 448         if (!amdgpu_sriov_vf(adev)) {
 449                 u32 baco_cntl;
 450                 for_each_inst(i, adev->aid_mask) {
 451                         baco_cntl = RREG32_SOC15(NBIO, i, regBIF_BX0_BACO_CNTL);
 452                         if (baco_cntl & (BIF_BX0_BACO_CNTL__BACO_DUMMY_EN_MASK |
 453                                          BIF_BX0_BACO_CNTL__BACO_EN_MASK)) {
 454                                 baco_cntl &= ~(
 455                                         BIF_BX0_BACO_CNTL__BACO_DUMMY_EN_MASK |
 456                                         BIF_BX0_BACO_CNTL__BACO_EN_MASK);
 457                                 dev_dbg(adev->dev,
 458                                         "Unsetting baco dummy mode %x",
 459                                         baco_cntl);
 460                                 WREG32_SOC15(NBIO, i, regBIF_BX0_BACO_CNTL,
 461                                              baco_cntl);
 462                         }
 463                 }
 464         }
 465 }
 466
 467 static u64 nbio_v7_9_get_pcie_replay_count(struct amdgpu_device *adev)
 468 {
 469         u32 val, nak_r, nak_g;
 470
 471         if (adev->flags & AMD_IS_APU)
 472                 return 0;
 473
 474         /* Get the number of NAKs received and generated */
 475         val = RREG32_PCIE(smnPCIEP_NAK_COUNTER);
 476         nak_r = val & 0xFFFF;
 477         nak_g = val >> 16;
 478
 479         /* Add the total number of NAKs, i.e the number of replays */
 480         return (nak_r + nak_g);
 481 }
 482
 483 #define MMIO_REG_HOLE_OFFSET 0x1A000
 484
 485 static void nbio_v7_9_set_reg_remap(struct amdgpu_device *adev)
 486 {
 487         if (!amdgpu_sriov_vf(adev) && (PAGE_SIZE <= 4096)) {
 488                 adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
 489                 adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
 490         } else {
 491                 adev->rmmio_remap.reg_offset =
 492                         SOC15_REG_OFFSET(
 493                                 NBIO, 0,
 494                                 regBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL)
 495                         << 2;
 496                 adev->rmmio_remap.bus_addr = 0;
 497         }
 498 }
 499
 500 const struct amdgpu_nbio_funcs nbio_v7_9_funcs = {
 501         .get_hdp_flush_req_offset = nbio_v7_9_get_hdp_flush_req_offset,
 502         .get_hdp_flush_done_offset = nbio_v7_9_get_hdp_flush_done_offset,
 503         .get_pcie_index_offset = nbio_v7_9_get_pcie_index_offset,
 504         .get_pcie_data_offset = nbio_v7_9_get_pcie_data_offset,
 505         .get_pcie_index_hi_offset = nbio_v7_9_get_pcie_index_hi_offset,
 506         .get_rev_id = nbio_v7_9_get_rev_id,
 507         .mc_access_enable = nbio_v7_9_mc_access_enable,
 508         .get_memsize = nbio_v7_9_get_memsize,
 509         .sdma_doorbell_range = nbio_v7_9_sdma_doorbell_range,
 510         .vcn_doorbell_range = nbio_v7_9_vcn_doorbell_range,
 511         .enable_doorbell_aperture = nbio_v7_9_enable_doorbell_aperture,
 512         .enable_doorbell_selfring_aperture = nbio_v7_9_enable_doorbell_selfring_aperture,
 513         .ih_doorbell_range = nbio_v7_9_ih_doorbell_range,
 514         .enable_doorbell_interrupt = nbio_v7_9_enable_doorbell_interrupt,
 515         .update_medium_grain_clock_gating = nbio_v7_9_update_medium_grain_clock_gating,
 516         .update_medium_grain_light_sleep = nbio_v7_9_update_medium_grain_light_sleep,
 517         .get_clockgating_state = nbio_v7_9_get_clockgating_state,
 518         .ih_control = nbio_v7_9_ih_control,
 519         .remap_hdp_registers = nbio_v7_9_remap_hdp_registers,
 520         .get_compute_partition_mode = nbio_v7_9_get_compute_partition_mode,
 521         .get_memory_partition_mode = nbio_v7_9_get_memory_partition_mode,
 522         .is_nps_switch_requested = nbio_v7_9_is_nps_switch_requested,
 523         .init_registers = nbio_v7_9_init_registers,
 524         .get_pcie_replay_count = nbio_v7_9_get_pcie_replay_count,
 525         .set_reg_remap = nbio_v7_9_set_reg_remap,
 526 };
 527
 528 static void nbio_v7_9_query_ras_error_count(struct amdgpu_device *adev,
 529                                         void *ras_error_status)
 530 {
 531 }
 532
 533 static void nbio_v7_9_handle_ras_controller_intr_no_bifring(struct amdgpu_device *adev)
 534 {
 535         uint32_t bif_doorbell_intr_cntl;
 536         struct ras_manager *obj = amdgpu_ras_find_obj(adev, adev->nbio.ras_if);
 537         struct ras_err_data err_data;
 538         struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
 539
 540         if (amdgpu_ras_error_data_init(&err_data))
 541                 return;
 542
 543         bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL);
 544
 545         if (REG_GET_FIELD(bif_doorbell_intr_cntl,
 546                 BIF_BX0_BIF_DOORBELL_INT_CNTL, RAS_CNTLR_INTERRUPT_STATUS)) {
 547                 /* driver has to clear the interrupt status when bif ring is disabled */
 548                 bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
 549                                                 BIF_BX0_BIF_DOORBELL_INT_CNTL,
 550                                                 RAS_CNTLR_INTERRUPT_CLEAR, 1);
 551                 WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);
 552
 553                 if (!ras->disable_ras_err_cnt_harvest) {
 554                         /*
 555                          * clear error status after ras_controller_intr
 556                          * according to hw team and count ue number
 557                          * for query
 558                          */
 559                         nbio_v7_9_query_ras_error_count(adev, &err_data);
 560
 561                         /* logging on error cnt and printing for awareness */
 562                         obj->err_data.ue_count += err_data.ue_count;
 563                         obj->err_data.ce_count += err_data.ce_count;
 564
 565                         if (err_data.ce_count)
 566                                 dev_info(adev->dev, "%ld correctable hardware "
 567                                                 "errors detected in %s block\n",
 568                                                 obj->err_data.ce_count,
 569                                                 get_ras_block_str(adev->nbio.ras_if));
 570
 571                         if (err_data.ue_count)
 572                                 dev_info(adev->dev, "%ld uncorrectable hardware "
 573                                                 "errors detected in %s block\n",
 574                                                 obj->err_data.ue_count,
 575                                                 get_ras_block_str(adev->nbio.ras_if));
 576                 }
 577
 578                 dev_info(adev->dev, "RAS controller interrupt triggered "
 579                                         "by NBIF error\n");
 580         }
 581
 582         amdgpu_ras_error_data_fini(&err_data);
 583 }
 584
 585 static void nbio_v7_9_handle_ras_err_event_athub_intr_no_bifring(struct amdgpu_device *adev)
 586 {
 587         uint32_t bif_doorbell_intr_cntl;
 588
 589         bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL);
 590
 591         if (REG_GET_FIELD(bif_doorbell_intr_cntl,
 592                 BIF_BX0_BIF_DOORBELL_INT_CNTL, RAS_ATHUB_ERR_EVENT_INTERRUPT_STATUS)) {
 593                 /* driver has to clear the interrupt status when bif ring is disabled */
 594                 bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
 595                                                 BIF_BX0_BIF_DOORBELL_INT_CNTL,
 596                                                 RAS_ATHUB_ERR_EVENT_INTERRUPT_CLEAR, 1);
 597
 598                 WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);
 599
 600                 amdgpu_ras_global_ras_isr(adev);
 601         }
 602 }
 603
 604 static int nbio_v7_9_set_ras_controller_irq_state(struct amdgpu_device *adev,
 605                                                   struct amdgpu_irq_src *src,
 606                                                   unsigned type,
 607                                                   enum amdgpu_interrupt_state state)
 608 {
 609         /* Dummy function, there is no initialization operation in driver */
 610
 611         return 0;
 612 }
 613
 614 static int nbio_v7_9_process_ras_controller_irq(struct amdgpu_device *adev,
 615                                                 struct amdgpu_irq_src *source,
 616                                                 struct amdgpu_iv_entry *entry)
 617 {
 618         /* By design, the ih cookie for ras_controller_irq should be written
 619          * to BIFring instead of general iv ring. However, due to known bif ring
 620          * hw bug, it has to be disabled. There is no chance the process function
 621          * will be involked. Just left it as a dummy one.
 622          */
 623         return 0;
 624 }
 625
 626 static int nbio_v7_9_set_ras_err_event_athub_irq_state(struct amdgpu_device *adev,
 627                                                        struct amdgpu_irq_src *src,
 628                                                        unsigned type,
 629                                                        enum amdgpu_interrupt_state state)
 630 {
 631         /* Dummy function, there is no initialization operation in driver */
 632
 633         return 0;
 634 }
 635
 636 static int nbio_v7_9_process_err_event_athub_irq(struct amdgpu_device *adev,
 637                                                  struct amdgpu_irq_src *source,
 638                                                  struct amdgpu_iv_entry *entry)
 639 {
 640         /* By design, the ih cookie for err_event_athub_irq should be written
 641          * to BIFring instead of general iv ring. However, due to known bif ring
 642          * hw bug, it has to be disabled. There is no chance the process function
 643          * will be involked. Just left it as a dummy one.
 644          */
 645         return 0;
 646 }
 647
 648 static const struct amdgpu_irq_src_funcs nbio_v7_9_ras_controller_irq_funcs = {
 649         .set = nbio_v7_9_set_ras_controller_irq_state,
 650         .process = nbio_v7_9_process_ras_controller_irq,
 651 };
 652
 653 static const struct amdgpu_irq_src_funcs nbio_v7_9_ras_err_event_athub_irq_funcs = {
 654         .set = nbio_v7_9_set_ras_err_event_athub_irq_state,
 655         .process = nbio_v7_9_process_err_event_athub_irq,
 656 };
 657
 658 static int nbio_v7_9_init_ras_controller_interrupt (struct amdgpu_device *adev)
 659 {
 660         int r;
 661
 662         /* init the irq funcs */
 663         adev->nbio.ras_controller_irq.funcs =
 664                 &nbio_v7_9_ras_controller_irq_funcs;
 665         adev->nbio.ras_controller_irq.num_types = 1;
 666
 667         /* register ras controller interrupt */
 668         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF,
 669                               NBIF_7_4__SRCID__RAS_CONTROLLER_INTERRUPT,
 670                               &adev->nbio.ras_controller_irq);
 671
 672         return r;
 673 }
 674
 675 static int nbio_v7_9_init_ras_err_event_athub_interrupt (struct amdgpu_device *adev)
 676 {
 677
 678         int r;
 679
 680         /* init the irq funcs */
 681         adev->nbio.ras_err_event_athub_irq.funcs =
 682                 &nbio_v7_9_ras_err_event_athub_irq_funcs;
 683         adev->nbio.ras_err_event_athub_irq.num_types = 1;
 684
 685         /* register ras err event athub interrupt */
 686         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF,
 687                               NBIF_7_4__SRCID__ERREVENT_ATHUB_INTERRUPT,
 688                               &adev->nbio.ras_err_event_athub_irq);
 689
 690         return r;
 691 }
 692
 693 const struct amdgpu_ras_block_hw_ops nbio_v7_9_ras_hw_ops = {
 694         .query_ras_error_count = nbio_v7_9_query_ras_error_count,
 695 };
 696
 697 struct amdgpu_nbio_ras nbio_v7_9_ras = {
 698         .ras_block = {
 699                 .ras_comm = {
 700                         .name = "pcie_bif",
 701                         .block = AMDGPU_RAS_BLOCK__PCIE_BIF,
 702                         .type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE,
 703                 },
 704                 .hw_ops = &nbio_v7_9_ras_hw_ops,
 705                 .ras_late_init = amdgpu_nbio_ras_late_init,
 706         },
 707         .handle_ras_controller_intr_no_bifring = nbio_v7_9_handle_ras_controller_intr_no_bifring,
 708         .handle_ras_err_event_athub_intr_no_bifring = nbio_v7_9_handle_ras_err_event_athub_intr_no_bifring,
 709         .init_ras_controller_interrupt = nbio_v7_9_init_ras_controller_interrupt,
 710         .init_ras_err_event_athub_interrupt = nbio_v7_9_init_ras_err_event_athub_interrupt,
 711 };