drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c

   1 /*
   2  * Copyright 2018 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
  24 #include <linux/firmware.h>
  25 #include <drm/drm_drv.h>
  26
  27 #include "amdgpu.h"
  28 #include "amdgpu_vcn.h"
  29 #include "soc15.h"
  30 #include "soc15d.h"
  31 #include "amdgpu_pm.h"
  32 #include "amdgpu_psp.h"
  33 #include "mmsch_v2_0.h"
  34 #include "vcn_v2_0.h"
  35
  36 #include "vcn/vcn_2_0_0_offset.h"
  37 #include "vcn/vcn_2_0_0_sh_mask.h"
  38 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
  39
  40 #define VCN_VID_SOC_ADDRESS_2_0                                 0x1fa00
  41 #define VCN1_VID_SOC_ADDRESS_3_0                                0x48200
  42
  43 #define mmUVD_CONTEXT_ID_INTERNAL_OFFSET                        0x1fd
  44 #define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET                    0x503
  45 #define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET                  0x504
  46 #define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET                  0x505
  47 #define mmUVD_NO_OP_INTERNAL_OFFSET                             0x53f
  48 #define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET                       0x54a
  49 #define mmUVD_SCRATCH9_INTERNAL_OFFSET                          0xc01d
  50
  51 #define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET                   0x1e1
  52 #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET         0x5a6
  53 #define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET          0x5a7
  54 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET                       0x1e2
  55
  56 static void vcn_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev);
  57 static void vcn_v2_0_set_enc_ring_funcs(struct amdgpu_device *adev);
  58 static void vcn_v2_0_set_irq_funcs(struct amdgpu_device *adev);
  59 static int vcn_v2_0_set_powergating_state(void *handle,
  60                                 enum amd_powergating_state state);
  61 static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev,
  62                                 int inst_idx, struct dpg_pause_state *new_state);
  63 static int vcn_v2_0_start_sriov(struct amdgpu_device *adev);
  64 /**
  65  * vcn_v2_0_early_init - set function pointers and load microcode
  66  *
  67  * @handle: amdgpu_device pointer
  68  *
  69  * Set ring and irq function pointers
  70  * Load microcode from filesystem
  71  */
  72 static int vcn_v2_0_early_init(void *handle)
  73 {
  74         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  75
  76         if (amdgpu_sriov_vf(adev))
  77                 adev->vcn.num_enc_rings = 1;
  78         else
  79                 adev->vcn.num_enc_rings = 2;
  80
  81         vcn_v2_0_set_dec_ring_funcs(adev);
  82         vcn_v2_0_set_enc_ring_funcs(adev);
  83         vcn_v2_0_set_irq_funcs(adev);
  84
  85         return amdgpu_vcn_early_init(adev);
  86 }
  87
  88 /**
  89  * vcn_v2_0_sw_init - sw init for VCN block
  90  *
  91  * @handle: amdgpu_device pointer
  92  *
  93  * Load firmware and sw initialization
  94  */
  95 static int vcn_v2_0_sw_init(void *handle)
  96 {
  97         struct amdgpu_ring *ring;
  98         int i, r;
  99         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 100         volatile struct amdgpu_fw_shared *fw_shared;
 101
 102         /* VCN DEC TRAP */
 103         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
 104                               VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT,
 105                               &adev->vcn.inst->irq);
 106         if (r)
 107                 return r;
 108
 109         /* VCN ENC TRAP */
 110         for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
 111                 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
 112                                       i + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE,
 113                                       &adev->vcn.inst->irq);
 114                 if (r)
 115                         return r;
 116         }
 117
 118         r = amdgpu_vcn_sw_init(adev);
 119         if (r)
 120                 return r;
 121
 122         amdgpu_vcn_setup_ucode(adev);
 123
 124         r = amdgpu_vcn_resume(adev);
 125         if (r)
 126                 return r;
 127
 128         ring = &adev->vcn.inst->ring_dec;
 129
 130         ring->use_doorbell = true;
 131         ring->doorbell_index = adev->doorbell_index.vcn.vcn_ring0_1 << 1;
 132         ring->vm_hub = AMDGPU_MMHUB0(0);
 133
 134         sprintf(ring->name, "vcn_dec");
 135         r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
 136                              AMDGPU_RING_PRIO_DEFAULT, NULL);
 137         if (r)
 138                 return r;
 139
 140         adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
 141         adev->vcn.internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
 142         adev->vcn.internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
 143         adev->vcn.internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
 144         adev->vcn.internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
 145         adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
 146
 147         adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
 148         adev->vcn.inst->external.scratch9 = SOC15_REG_OFFSET(UVD, 0, mmUVD_SCRATCH9);
 149         adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
 150         adev->vcn.inst->external.data0 = SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0);
 151         adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
 152         adev->vcn.inst->external.data1 = SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1);
 153         adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
 154         adev->vcn.inst->external.cmd = SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD);
 155         adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
 156         adev->vcn.inst->external.nop = SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP);
 157
 158         for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
 159                 enum amdgpu_ring_priority_level hw_prio = amdgpu_vcn_get_enc_ring_prio(i);
 160
 161                 ring = &adev->vcn.inst->ring_enc[i];
 162                 ring->use_doorbell = true;
 163                 ring->vm_hub = AMDGPU_MMHUB0(0);
 164                 if (!amdgpu_sriov_vf(adev))
 165                         ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + i;
 166                 else
 167                         ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1 + i;
 168                 sprintf(ring->name, "vcn_enc%d", i);
 169                 r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
 170                                      hw_prio, NULL);
 171                 if (r)
 172                         return r;
 173         }
 174
 175         adev->vcn.pause_dpg_mode = vcn_v2_0_pause_dpg_mode;
 176
 177         r = amdgpu_virt_alloc_mm_table(adev);
 178         if (r)
 179                 return r;
 180
 181         fw_shared = adev->vcn.inst->fw_shared.cpu_addr;
 182         fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG);
 183
 184         if (amdgpu_vcnfw_log)
 185                 amdgpu_vcn_fwlog_init(adev->vcn.inst);
 186
 187         return 0;
 188 }
 189
 190 /**
 191  * vcn_v2_0_sw_fini - sw fini for VCN block
 192  *
 193  * @handle: amdgpu_device pointer
 194  *
 195  * VCN suspend and free up sw allocation
 196  */
 197 static int vcn_v2_0_sw_fini(void *handle)
 198 {
 199         int r, idx;
 200         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 201         volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared.cpu_addr;
 202
 203         if (drm_dev_enter(adev_to_drm(adev), &idx)) {
 204                 fw_shared->present_flag_0 = 0;
 205                 drm_dev_exit(idx);
 206         }
 207
 208         amdgpu_virt_free_mm_table(adev);
 209
 210         r = amdgpu_vcn_suspend(adev);
 211         if (r)
 212                 return r;
 213
 214         r = amdgpu_vcn_sw_fini(adev);
 215
 216         return r;
 217 }
 218
 219 /**
 220  * vcn_v2_0_hw_init - start and test VCN block
 221  *
 222  * @handle: amdgpu_device pointer
 223  *
 224  * Initialize the hardware, boot up the VCPU and do some testing
 225  */
 226 static int vcn_v2_0_hw_init(void *handle)
 227 {
 228         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 229         struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
 230         int i, r;
 231
 232         adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
 233                                              ring->doorbell_index, 0);
 234
 235         if (amdgpu_sriov_vf(adev))
 236                 vcn_v2_0_start_sriov(adev);
 237
 238         r = amdgpu_ring_test_helper(ring);
 239         if (r)
 240                 goto done;
 241
 242         //Disable vcn decode for sriov
 243         if (amdgpu_sriov_vf(adev))
 244                 ring->sched.ready = false;
 245
 246         for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
 247                 ring = &adev->vcn.inst->ring_enc[i];
 248                 r = amdgpu_ring_test_helper(ring);
 249                 if (r)
 250                         goto done;
 251         }
 252
 253 done:
 254         if (!r)
 255                 DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
 256                         (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
 257
 258         return r;
 259 }
 260
 261 /**
 262  * vcn_v2_0_hw_fini - stop the hardware block
 263  *
 264  * @handle: amdgpu_device pointer
 265  *
 266  * Stop the VCN block, mark ring as not ready any more
 267  */
 268 static int vcn_v2_0_hw_fini(void *handle)
 269 {
 270         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 271
 272         cancel_delayed_work_sync(&adev->vcn.idle_work);
 273
 274         if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
 275             (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
 276               RREG32_SOC15(VCN, 0, mmUVD_STATUS)))
 277                 vcn_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
 278
 279         return 0;
 280 }
 281
 282 /**
 283  * vcn_v2_0_suspend - suspend VCN block
 284  *
 285  * @handle: amdgpu_device pointer
 286  *
 287  * HW fini and suspend VCN block
 288  */
 289 static int vcn_v2_0_suspend(void *handle)
 290 {
 291         int r;
 292         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 293
 294         r = vcn_v2_0_hw_fini(adev);
 295         if (r)
 296                 return r;
 297
 298         r = amdgpu_vcn_suspend(adev);
 299
 300         return r;
 301 }
 302
 303 /**
 304  * vcn_v2_0_resume - resume VCN block
 305  *
 306  * @handle: amdgpu_device pointer
 307  *
 308  * Resume firmware and hw init VCN block
 309  */
 310 static int vcn_v2_0_resume(void *handle)
 311 {
 312         int r;
 313         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 314
 315         r = amdgpu_vcn_resume(adev);
 316         if (r)
 317                 return r;
 318
 319         r = vcn_v2_0_hw_init(adev);
 320
 321         return r;
 322 }
 323
 324 /**
 325  * vcn_v2_0_mc_resume - memory controller programming
 326  *
 327  * @adev: amdgpu_device pointer
 328  *
 329  * Let the VCN memory controller know it's offsets
 330  */
 331 static void vcn_v2_0_mc_resume(struct amdgpu_device *adev)
 332 {
 333         uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[0]->size + 4);
 334         uint32_t offset;
 335
 336         if (amdgpu_sriov_vf(adev))
 337                 return;
 338
 339         /* cache window 0: fw */
 340         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
 341                 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
 342                         (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo));
 343                 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
 344                         (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi));
 345                 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0);
 346                 offset = 0;
 347         } else {
 348                 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
 349                         lower_32_bits(adev->vcn.inst->gpu_addr));
 350                 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
 351                         upper_32_bits(adev->vcn.inst->gpu_addr));
 352                 offset = size;
 353                 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
 354                         AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
 355         }
 356
 357         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size);
 358
 359         /* cache window 1: stack */
 360         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
 361                 lower_32_bits(adev->vcn.inst->gpu_addr + offset));
 362         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
 363                 upper_32_bits(adev->vcn.inst->gpu_addr + offset));
 364         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0);
 365         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
 366
 367         /* cache window 2: context */
 368         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
 369                 lower_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
 370         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
 371                 upper_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
 372         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0);
 373         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
 374
 375         /* non-cache window */
 376         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
 377                 lower_32_bits(adev->vcn.inst->fw_shared.gpu_addr));
 378         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
 379                 upper_32_bits(adev->vcn.inst->fw_shared.gpu_addr));
 380         WREG32_SOC15(UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
 381         WREG32_SOC15(UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0,
 382                 AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
 383
 384         WREG32_SOC15(UVD, 0, mmUVD_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
 385 }
 386
 387 static void vcn_v2_0_mc_resume_dpg_mode(struct amdgpu_device *adev, bool indirect)
 388 {
 389         uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[0]->size + 4);
 390         uint32_t offset;
 391
 392         /* cache window 0: fw */
 393         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
 394                 if (!indirect) {
 395                         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 396                                 UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
 397                                 (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo), 0, indirect);
 398                         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 399                                 UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
 400                                 (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi), 0, indirect);
 401                         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 402                                 UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
 403                 } else {
 404                         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 405                                 UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
 406                         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 407                                 UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
 408                         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 409                                 UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
 410                 }
 411                 offset = 0;
 412         } else {
 413                 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 414                         UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
 415                         lower_32_bits(adev->vcn.inst->gpu_addr), 0, indirect);
 416                 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 417                         UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
 418                         upper_32_bits(adev->vcn.inst->gpu_addr), 0, indirect);
 419                 offset = size;
 420                 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 421                         UVD, 0, mmUVD_VCPU_CACHE_OFFSET0),
 422                         AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
 423         }
 424
 425         if (!indirect)
 426                 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 427                         UVD, 0, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
 428         else
 429                 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 430                         UVD, 0, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
 431
 432         /* cache window 1: stack */
 433         if (!indirect) {
 434                 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 435                         UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
 436                         lower_32_bits(adev->vcn.inst->gpu_addr + offset), 0, indirect);
 437                 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 438                         UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
 439                         upper_32_bits(adev->vcn.inst->gpu_addr + offset), 0, indirect);
 440                 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 441                         UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
 442         } else {
 443                 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 444                         UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
 445                 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 446                         UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
 447                 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 448                         UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
 449         }
 450         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 451                 UVD, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
 452
 453         /* cache window 2: context */
 454         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 455                 UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
 456                 lower_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
 457         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 458                 UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
 459                 upper_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
 460         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 461                 UVD, 0, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
 462         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 463                 UVD, 0, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
 464
 465         /* non-cache window */
 466         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 467                 UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
 468                 lower_32_bits(adev->vcn.inst->fw_shared.gpu_addr), 0, indirect);
 469         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 470                 UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
 471                 upper_32_bits(adev->vcn.inst->fw_shared.gpu_addr), 0, indirect);
 472         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 473                 UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
 474         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 475                 UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0),
 476                 AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
 477
 478         /* VCN global tiling registers */
 479         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 480                 UVD, 0, mmUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
 481 }
 482
 483 /**
 484  * vcn_v2_0_disable_clock_gating - disable VCN clock gating
 485  *
 486  * @adev: amdgpu_device pointer
 487  *
 488  * Disable clock gating for VCN block
 489  */
 490 static void vcn_v2_0_disable_clock_gating(struct amdgpu_device *adev)
 491 {
 492         uint32_t data;
 493
 494         if (amdgpu_sriov_vf(adev))
 495                 return;
 496
 497         /* UVD disable CGC */
 498         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 499         if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 500                 data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 501         else
 502                 data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
 503         data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 504         data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 505         WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 506
 507         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_GATE);
 508         data &= ~(UVD_CGC_GATE__SYS_MASK
 509                 | UVD_CGC_GATE__UDEC_MASK
 510                 | UVD_CGC_GATE__MPEG2_MASK
 511                 | UVD_CGC_GATE__REGS_MASK
 512                 | UVD_CGC_GATE__RBC_MASK
 513                 | UVD_CGC_GATE__LMI_MC_MASK
 514                 | UVD_CGC_GATE__LMI_UMC_MASK
 515                 | UVD_CGC_GATE__IDCT_MASK
 516                 | UVD_CGC_GATE__MPRD_MASK
 517                 | UVD_CGC_GATE__MPC_MASK
 518                 | UVD_CGC_GATE__LBSI_MASK
 519                 | UVD_CGC_GATE__LRBBM_MASK
 520                 | UVD_CGC_GATE__UDEC_RE_MASK
 521                 | UVD_CGC_GATE__UDEC_CM_MASK
 522                 | UVD_CGC_GATE__UDEC_IT_MASK
 523                 | UVD_CGC_GATE__UDEC_DB_MASK
 524                 | UVD_CGC_GATE__UDEC_MP_MASK
 525                 | UVD_CGC_GATE__WCB_MASK
 526                 | UVD_CGC_GATE__VCPU_MASK
 527                 | UVD_CGC_GATE__SCPU_MASK);
 528         WREG32_SOC15(VCN, 0, mmUVD_CGC_GATE, data);
 529
 530         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 531         data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
 532                 | UVD_CGC_CTRL__UDEC_CM_MODE_MASK
 533                 | UVD_CGC_CTRL__UDEC_IT_MODE_MASK
 534                 | UVD_CGC_CTRL__UDEC_DB_MODE_MASK
 535                 | UVD_CGC_CTRL__UDEC_MP_MODE_MASK
 536                 | UVD_CGC_CTRL__SYS_MODE_MASK
 537                 | UVD_CGC_CTRL__UDEC_MODE_MASK
 538                 | UVD_CGC_CTRL__MPEG2_MODE_MASK
 539                 | UVD_CGC_CTRL__REGS_MODE_MASK
 540                 | UVD_CGC_CTRL__RBC_MODE_MASK
 541                 | UVD_CGC_CTRL__LMI_MC_MODE_MASK
 542                 | UVD_CGC_CTRL__LMI_UMC_MODE_MASK
 543                 | UVD_CGC_CTRL__IDCT_MODE_MASK
 544                 | UVD_CGC_CTRL__MPRD_MODE_MASK
 545                 | UVD_CGC_CTRL__MPC_MODE_MASK
 546                 | UVD_CGC_CTRL__LBSI_MODE_MASK
 547                 | UVD_CGC_CTRL__LRBBM_MODE_MASK
 548                 | UVD_CGC_CTRL__WCB_MODE_MASK
 549                 | UVD_CGC_CTRL__VCPU_MODE_MASK
 550                 | UVD_CGC_CTRL__SCPU_MODE_MASK);
 551         WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 552
 553         /* turn on */
 554         data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE);
 555         data |= (UVD_SUVD_CGC_GATE__SRE_MASK
 556                 | UVD_SUVD_CGC_GATE__SIT_MASK
 557                 | UVD_SUVD_CGC_GATE__SMP_MASK
 558                 | UVD_SUVD_CGC_GATE__SCM_MASK
 559                 | UVD_SUVD_CGC_GATE__SDB_MASK
 560                 | UVD_SUVD_CGC_GATE__SRE_H264_MASK
 561                 | UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
 562                 | UVD_SUVD_CGC_GATE__SIT_H264_MASK
 563                 | UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
 564                 | UVD_SUVD_CGC_GATE__SCM_H264_MASK
 565                 | UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
 566                 | UVD_SUVD_CGC_GATE__SDB_H264_MASK
 567                 | UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
 568                 | UVD_SUVD_CGC_GATE__SCLR_MASK
 569                 | UVD_SUVD_CGC_GATE__UVD_SC_MASK
 570                 | UVD_SUVD_CGC_GATE__ENT_MASK
 571                 | UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
 572                 | UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
 573                 | UVD_SUVD_CGC_GATE__SITE_MASK
 574                 | UVD_SUVD_CGC_GATE__SRE_VP9_MASK
 575                 | UVD_SUVD_CGC_GATE__SCM_VP9_MASK
 576                 | UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
 577                 | UVD_SUVD_CGC_GATE__SDB_VP9_MASK
 578                 | UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
 579         WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE, data);
 580
 581         data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
 582         data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
 583                 | UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
 584                 | UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
 585                 | UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
 586                 | UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
 587                 | UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
 588                 | UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
 589                 | UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
 590                 | UVD_SUVD_CGC_CTRL__IME_MODE_MASK
 591                 | UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
 592         WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
 593 }
 594
 595 static void vcn_v2_0_clock_gating_dpg_mode(struct amdgpu_device *adev,
 596                 uint8_t sram_sel, uint8_t indirect)
 597 {
 598         uint32_t reg_data = 0;
 599
 600         /* enable sw clock gating control */
 601         if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 602                 reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 603         else
 604                 reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 605         reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 606         reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 607         reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
 608                  UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
 609                  UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
 610                  UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
 611                  UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
 612                  UVD_CGC_CTRL__SYS_MODE_MASK |
 613                  UVD_CGC_CTRL__UDEC_MODE_MASK |
 614                  UVD_CGC_CTRL__MPEG2_MODE_MASK |
 615                  UVD_CGC_CTRL__REGS_MODE_MASK |
 616                  UVD_CGC_CTRL__RBC_MODE_MASK |
 617                  UVD_CGC_CTRL__LMI_MC_MODE_MASK |
 618                  UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
 619                  UVD_CGC_CTRL__IDCT_MODE_MASK |
 620                  UVD_CGC_CTRL__MPRD_MODE_MASK |
 621                  UVD_CGC_CTRL__MPC_MODE_MASK |
 622                  UVD_CGC_CTRL__LBSI_MODE_MASK |
 623                  UVD_CGC_CTRL__LRBBM_MODE_MASK |
 624                  UVD_CGC_CTRL__WCB_MODE_MASK |
 625                  UVD_CGC_CTRL__VCPU_MODE_MASK |
 626                  UVD_CGC_CTRL__SCPU_MODE_MASK);
 627         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 628                 UVD, 0, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
 629
 630         /* turn off clock gating */
 631         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 632                 UVD, 0, mmUVD_CGC_GATE), 0, sram_sel, indirect);
 633
 634         /* turn on SUVD clock gating */
 635         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 636                 UVD, 0, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
 637
 638         /* turn on sw mode in UVD_SUVD_CGC_CTRL */
 639         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 640                 UVD, 0, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
 641 }
 642
 643 /**
 644  * vcn_v2_0_enable_clock_gating - enable VCN clock gating
 645  *
 646  * @adev: amdgpu_device pointer
 647  *
 648  * Enable clock gating for VCN block
 649  */
 650 static void vcn_v2_0_enable_clock_gating(struct amdgpu_device *adev)
 651 {
 652         uint32_t data = 0;
 653
 654         if (amdgpu_sriov_vf(adev))
 655                 return;
 656
 657         /* enable UVD CGC */
 658         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 659         if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 660                 data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 661         else
 662                 data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 663         data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 664         data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 665         WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 666
 667         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 668         data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
 669                 | UVD_CGC_CTRL__UDEC_CM_MODE_MASK
 670                 | UVD_CGC_CTRL__UDEC_IT_MODE_MASK
 671                 | UVD_CGC_CTRL__UDEC_DB_MODE_MASK
 672                 | UVD_CGC_CTRL__UDEC_MP_MODE_MASK
 673                 | UVD_CGC_CTRL__SYS_MODE_MASK
 674                 | UVD_CGC_CTRL__UDEC_MODE_MASK
 675                 | UVD_CGC_CTRL__MPEG2_MODE_MASK
 676                 | UVD_CGC_CTRL__REGS_MODE_MASK
 677                 | UVD_CGC_CTRL__RBC_MODE_MASK
 678                 | UVD_CGC_CTRL__LMI_MC_MODE_MASK
 679                 | UVD_CGC_CTRL__LMI_UMC_MODE_MASK
 680                 | UVD_CGC_CTRL__IDCT_MODE_MASK
 681                 | UVD_CGC_CTRL__MPRD_MODE_MASK
 682                 | UVD_CGC_CTRL__MPC_MODE_MASK
 683                 | UVD_CGC_CTRL__LBSI_MODE_MASK
 684                 | UVD_CGC_CTRL__LRBBM_MODE_MASK
 685                 | UVD_CGC_CTRL__WCB_MODE_MASK
 686                 | UVD_CGC_CTRL__VCPU_MODE_MASK
 687                 | UVD_CGC_CTRL__SCPU_MODE_MASK);
 688         WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 689
 690         data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
 691         data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
 692                 | UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
 693                 | UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
 694                 | UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
 695                 | UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
 696                 | UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
 697                 | UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
 698                 | UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
 699                 | UVD_SUVD_CGC_CTRL__IME_MODE_MASK
 700                 | UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
 701         WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
 702 }
 703
 704 static void vcn_v2_0_disable_static_power_gating(struct amdgpu_device *adev)
 705 {
 706         uint32_t data = 0;
 707
 708         if (amdgpu_sriov_vf(adev))
 709                 return;
 710
 711         if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
 712                 data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
 713                         | 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
 714                         | 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
 715                         | 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
 716                         | 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
 717                         | 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
 718                         | 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
 719                         | 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
 720                         | 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
 721                         | 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT);
 722
 723                 WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
 724                 SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS,
 725                         UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON_2_0, 0xFFFFF);
 726         } else {
 727                 data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
 728                         | 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
 729                         | 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
 730                         | 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
 731                         | 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
 732                         | 1 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
 733                         | 1 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
 734                         | 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
 735                         | 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
 736                         | 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT);
 737                 WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
 738                 SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 0,  0xFFFFF);
 739         }
 740
 741         /* polling UVD_PGFSM_STATUS to confirm UVDM_PWR_STATUS,
 742          * UVDU_PWR_STATUS are 0 (power on) */
 743
 744         data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
 745         data &= ~0x103;
 746         if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
 747                 data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
 748                         UVD_POWER_STATUS__UVD_PG_EN_MASK;
 749
 750         WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
 751 }
 752
 753 static void vcn_v2_0_enable_static_power_gating(struct amdgpu_device *adev)
 754 {
 755         uint32_t data = 0;
 756
 757         if (amdgpu_sriov_vf(adev))
 758                 return;
 759
 760         if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
 761                 /* Before power off, this indicator has to be turned on */
 762                 data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
 763                 data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
 764                 data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
 765                 WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
 766
 767
 768                 data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
 769                         | 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
 770                         | 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
 771                         | 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
 772                         | 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
 773                         | 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
 774                         | 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
 775                         | 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
 776                         | 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
 777                         | 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT);
 778
 779                 WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
 780
 781                 data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
 782                         | 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT
 783                         | 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
 784                         | 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT
 785                         | 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
 786                         | 2 << UVD_PGFSM_STATUS__UVDIL_PWR_STATUS__SHIFT
 787                         | 2 << UVD_PGFSM_STATUS__UVDIR_PWR_STATUS__SHIFT
 788                         | 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
 789                         | 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
 790                         | 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT);
 791                 SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, data, 0xFFFFF);
 792         }
 793 }
 794
 795 static int vcn_v2_0_start_dpg_mode(struct amdgpu_device *adev, bool indirect)
 796 {
 797         volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared.cpu_addr;
 798         struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
 799         uint32_t rb_bufsz, tmp;
 800
 801         vcn_v2_0_enable_static_power_gating(adev);
 802
 803         /* enable dynamic power gating mode */
 804         tmp = RREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS);
 805         tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
 806         tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
 807         WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, tmp);
 808
 809         if (indirect)
 810                 adev->vcn.inst->dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst->dpg_sram_cpu_addr;
 811
 812         /* enable clock gating */
 813         vcn_v2_0_clock_gating_dpg_mode(adev, 0, indirect);
 814
 815         /* enable VCPU clock */
 816         tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
 817         tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
 818         tmp |= UVD_VCPU_CNTL__MIF_WR_LOW_THRESHOLD_BP_MASK;
 819         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 820                 UVD, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
 821
 822         /* disable master interupt */
 823         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 824                 UVD, 0, mmUVD_MASTINT_EN), 0, 0, indirect);
 825
 826         /* setup mmUVD_LMI_CTRL */
 827         tmp = (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
 828                 UVD_LMI_CTRL__REQ_MODE_MASK |
 829                 UVD_LMI_CTRL__CRC_RESET_MASK |
 830                 UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
 831                 UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
 832                 UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
 833                 (8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
 834                 0x00100000L);
 835         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 836                 UVD, 0, mmUVD_LMI_CTRL), tmp, 0, indirect);
 837
 838         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 839                 UVD, 0, mmUVD_MPC_CNTL),
 840                 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
 841
 842         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 843                 UVD, 0, mmUVD_MPC_SET_MUXA0),
 844                 ((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
 845                  (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
 846                  (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
 847                  (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
 848
 849         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 850                 UVD, 0, mmUVD_MPC_SET_MUXB0),
 851                 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
 852                  (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
 853                  (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
 854                  (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
 855
 856         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 857                 UVD, 0, mmUVD_MPC_SET_MUX),
 858                 ((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
 859                  (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
 860                  (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
 861
 862         vcn_v2_0_mc_resume_dpg_mode(adev, indirect);
 863
 864         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 865                 UVD, 0, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
 866         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 867                 UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
 868
 869         /* release VCPU reset to boot */
 870         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 871                 UVD, 0, mmUVD_SOFT_RESET), 0, 0, indirect);
 872
 873         /* enable LMI MC and UMC channels */
 874         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 875                 UVD, 0, mmUVD_LMI_CTRL2),
 876                 0x1F << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT, 0, indirect);
 877
 878         /* enable master interrupt */
 879         WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
 880                 UVD, 0, mmUVD_MASTINT_EN),
 881                 UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
 882
 883         if (indirect)
 884                 amdgpu_vcn_psp_update_sram(adev, 0, 0);
 885
 886         /* force RBC into idle state */
 887         rb_bufsz = order_base_2(ring->ring_size);
 888         tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
 889         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
 890         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
 891         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
 892         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
 893         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
 894
 895         /* Stall DPG before WPTR/RPTR reset */
 896         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
 897                 UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
 898                 ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
 899         fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
 900
 901         /* set the write pointer delay */
 902         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
 903
 904         /* set the wb address */
 905         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR,
 906                 (upper_32_bits(ring->gpu_addr) >> 2));
 907
 908         /* program the RB_BASE for ring buffer */
 909         WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
 910                 lower_32_bits(ring->gpu_addr));
 911         WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
 912                 upper_32_bits(ring->gpu_addr));
 913
 914         /* Initialize the ring buffer's read and write pointers */
 915         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
 916
 917         WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
 918
 919         ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
 920         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
 921                 lower_32_bits(ring->wptr));
 922
 923         fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
 924         /* Unstall DPG */
 925         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
 926                 0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
 927         return 0;
 928 }
 929
 930 static int vcn_v2_0_start(struct amdgpu_device *adev)
 931 {
 932         volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared.cpu_addr;
 933         struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
 934         uint32_t rb_bufsz, tmp;
 935         uint32_t lmi_swap_cntl;
 936         int i, j, r;
 937
 938         if (adev->pm.dpm_enabled)
 939                 amdgpu_dpm_enable_uvd(adev, true);
 940
 941         if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
 942                 return vcn_v2_0_start_dpg_mode(adev, adev->vcn.indirect_sram);
 943
 944         vcn_v2_0_disable_static_power_gating(adev);
 945
 946         /* set uvd status busy */
 947         tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
 948         WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
 949
 950         /*SW clock gating */
 951         vcn_v2_0_disable_clock_gating(adev);
 952
 953         /* enable VCPU clock */
 954         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL),
 955                 UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
 956
 957         /* disable master interrupt */
 958         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0,
 959                 ~UVD_MASTINT_EN__VCPU_EN_MASK);
 960
 961         /* setup mmUVD_LMI_CTRL */
 962         tmp = RREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL);
 963         WREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL, tmp |
 964                 UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
 965                 UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
 966                 UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
 967                 UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
 968
 969         /* setup mmUVD_MPC_CNTL */
 970         tmp = RREG32_SOC15(UVD, 0, mmUVD_MPC_CNTL);
 971         tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
 972         tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
 973         WREG32_SOC15(VCN, 0, mmUVD_MPC_CNTL, tmp);
 974
 975         /* setup UVD_MPC_SET_MUXA0 */
 976         WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA0,
 977                 ((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
 978                 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
 979                 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
 980                 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
 981
 982         /* setup UVD_MPC_SET_MUXB0 */
 983         WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB0,
 984                 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
 985                 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
 986                 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
 987                 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
 988
 989         /* setup mmUVD_MPC_SET_MUX */
 990         WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUX,
 991                 ((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
 992                 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
 993                 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
 994
 995         vcn_v2_0_mc_resume(adev);
 996
 997         /* release VCPU reset to boot */
 998         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
 999                 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1000
1001         /* enable LMI MC and UMC channels */
1002         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0,
1003                 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1004
1005         tmp = RREG32_SOC15(VCN, 0, mmUVD_SOFT_RESET);
1006         tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1007         tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1008         WREG32_SOC15(VCN, 0, mmUVD_SOFT_RESET, tmp);
1009
1010         /* disable byte swapping */
1011         lmi_swap_cntl = 0;
1012 #ifdef __BIG_ENDIAN
1013         /* swap (8 in 32) RB and IB */
1014         lmi_swap_cntl = 0xa;
1015 #endif
1016         WREG32_SOC15(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
1017
1018         for (i = 0; i < 10; ++i) {
1019                 uint32_t status;
1020
1021                 for (j = 0; j < 100; ++j) {
1022                         status = RREG32_SOC15(UVD, 0, mmUVD_STATUS);
1023                         if (status & 2)
1024                                 break;
1025                         mdelay(10);
1026                 }
1027                 r = 0;
1028                 if (status & 2)
1029                         break;
1030
1031                 DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
1032                 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1033                         UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
1034                         ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1035                 mdelay(10);
1036                 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
1037                         ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1038                 mdelay(10);
1039                 r = -1;
1040         }
1041
1042         if (r) {
1043                 DRM_ERROR("VCN decode not responding, giving up!!!\n");
1044                 return r;
1045         }
1046
1047         /* enable master interrupt */
1048         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN),
1049                 UVD_MASTINT_EN__VCPU_EN_MASK,
1050                 ~UVD_MASTINT_EN__VCPU_EN_MASK);
1051
1052         /* clear the busy bit of VCN_STATUS */
1053         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 0,
1054                 ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1055
1056         WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_VMID, 0);
1057
1058         /* force RBC into idle state */
1059         rb_bufsz = order_base_2(ring->ring_size);
1060         tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1061         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1062         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1063         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1064         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1065         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
1066
1067         fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
1068         /* program the RB_BASE for ring buffer */
1069         WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1070                 lower_32_bits(ring->gpu_addr));
1071         WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1072                 upper_32_bits(ring->gpu_addr));
1073
1074         /* Initialize the ring buffer's read and write pointers */
1075         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
1076
1077         ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1078         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1079                         lower_32_bits(ring->wptr));
1080         fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
1081
1082         fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1083         ring = &adev->vcn.inst->ring_enc[0];
1084         WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1085         WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1086         WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
1087         WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1088         WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
1089         fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1090
1091         fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1092         ring = &adev->vcn.inst->ring_enc[1];
1093         WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1094         WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1095         WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1096         WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1097         WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
1098         fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1099
1100         return 0;
1101 }
1102
1103 static int vcn_v2_0_stop_dpg_mode(struct amdgpu_device *adev)
1104 {
1105         struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE};
1106         uint32_t tmp;
1107
1108         vcn_v2_0_pause_dpg_mode(adev, 0, &state);
1109         /* Wait for power status to be 1 */
1110         SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1,
1111                 UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1112
1113         /* wait for read ptr to be equal to write ptr */
1114         tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
1115         SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1116
1117         tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
1118         SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1119
1120         tmp = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1121         SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1122
1123         SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1,
1124                 UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1125
1126         /* disable dynamic power gating mode */
1127         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0,
1128                         ~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1129
1130         return 0;
1131 }
1132
1133 static int vcn_v2_0_stop(struct amdgpu_device *adev)
1134 {
1135         uint32_t tmp;
1136         int r;
1137
1138         if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1139                 r = vcn_v2_0_stop_dpg_mode(adev);
1140                 if (r)
1141                         return r;
1142                 goto power_off;
1143         }
1144
1145         /* wait for uvd idle */
1146         r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1147         if (r)
1148                 return r;
1149
1150         tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1151                 UVD_LMI_STATUS__READ_CLEAN_MASK |
1152                 UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1153                 UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1154         r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp);
1155         if (r)
1156                 return r;
1157
1158         /* stall UMC channel */
1159         tmp = RREG32_SOC15(VCN, 0, mmUVD_LMI_CTRL2);
1160         tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1161         WREG32_SOC15(VCN, 0, mmUVD_LMI_CTRL2, tmp);
1162
1163         tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
1164                 UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1165         r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp);
1166         if (r)
1167                 return r;
1168
1169         /* disable VCPU clock */
1170         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 0,
1171                 ~(UVD_VCPU_CNTL__CLK_EN_MASK));
1172
1173         /* reset LMI UMC */
1174         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1175                 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK,
1176                 ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
1177
1178         /* reset LMI */
1179         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1180                 UVD_SOFT_RESET__LMI_SOFT_RESET_MASK,
1181                 ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK);
1182
1183         /* reset VCPU */
1184         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1185                 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
1186                 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1187
1188         /* clear status */
1189         WREG32_SOC15(VCN, 0, mmUVD_STATUS, 0);
1190
1191         vcn_v2_0_enable_clock_gating(adev);
1192         vcn_v2_0_enable_static_power_gating(adev);
1193
1194 power_off:
1195         if (adev->pm.dpm_enabled)
1196                 amdgpu_dpm_enable_uvd(adev, false);
1197
1198         return 0;
1199 }
1200
1201 static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev,
1202                                 int inst_idx, struct dpg_pause_state *new_state)
1203 {
1204         struct amdgpu_ring *ring;
1205         uint32_t reg_data = 0;
1206         int ret_code;
1207
1208         /* pause/unpause if state is changed */
1209         if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1210                 DRM_DEBUG("dpg pause state changed %d -> %d",
1211                         adev->vcn.inst[inst_idx].pause_state.fw_based,  new_state->fw_based);
1212                 reg_data = RREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE) &
1213                         (~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1214
1215                 if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1216                         ret_code = SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 0x1,
1217                                 UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1218
1219                         if (!ret_code) {
1220                                 volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared.cpu_addr;
1221                                 /* pause DPG */
1222                                 reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1223                                 WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1224
1225                                 /* wait for ACK */
1226                                 SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_DPG_PAUSE,
1227                                            UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1228                                            UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1229
1230                                 /* Stall DPG before WPTR/RPTR reset */
1231                                 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
1232                                            UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1233                                            ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1234                                 /* Restore */
1235                                 fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1236                                 ring = &adev->vcn.inst->ring_enc[0];
1237                                 ring->wptr = 0;
1238                                 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
1239                                 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1240                                 WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
1241                                 WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1242                                 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1243                                 fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1244
1245                                 fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1246                                 ring = &adev->vcn.inst->ring_enc[1];
1247                                 ring->wptr = 0;
1248                                 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1249                                 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1250                                 WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
1251                                 WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1252                                 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1253                                 fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1254
1255                                 fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
1256                                 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1257                                            RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
1258                                 fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
1259                                 /* Unstall DPG */
1260                                 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
1261                                            0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1262
1263                                 SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1264                                            UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
1265                                            UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1266                         }
1267                 } else {
1268                         /* unpause dpg, no need to wait */
1269                         reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1270                         WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1271                 }
1272                 adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1273         }
1274
1275         return 0;
1276 }
1277
1278 static bool vcn_v2_0_is_idle(void *handle)
1279 {
1280         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1281
1282         return (RREG32_SOC15(VCN, 0, mmUVD_STATUS) == UVD_STATUS__IDLE);
1283 }
1284
1285 static int vcn_v2_0_wait_for_idle(void *handle)
1286 {
1287         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1288         int ret;
1289
1290         ret = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE,
1291                 UVD_STATUS__IDLE);
1292
1293         return ret;
1294 }
1295
1296 static int vcn_v2_0_set_clockgating_state(void *handle,
1297                                           enum amd_clockgating_state state)
1298 {
1299         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1300         bool enable = (state == AMD_CG_STATE_GATE);
1301
1302         if (amdgpu_sriov_vf(adev))
1303                 return 0;
1304
1305         if (enable) {
1306                 /* wait for STATUS to clear */
1307                 if (!vcn_v2_0_is_idle(handle))
1308                         return -EBUSY;
1309                 vcn_v2_0_enable_clock_gating(adev);
1310         } else {
1311                 /* disable HW gating and enable Sw gating */
1312                 vcn_v2_0_disable_clock_gating(adev);
1313         }
1314         return 0;
1315 }
1316
1317 /**
1318  * vcn_v2_0_dec_ring_get_rptr - get read pointer
1319  *
1320  * @ring: amdgpu_ring pointer
1321  *
1322  * Returns the current hardware read pointer
1323  */
1324 static uint64_t vcn_v2_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
1325 {
1326         struct amdgpu_device *adev = ring->adev;
1327
1328         return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1329 }
1330
1331 /**
1332  * vcn_v2_0_dec_ring_get_wptr - get write pointer
1333  *
1334  * @ring: amdgpu_ring pointer
1335  *
1336  * Returns the current hardware write pointer
1337  */
1338 static uint64_t vcn_v2_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
1339 {
1340         struct amdgpu_device *adev = ring->adev;
1341
1342         if (ring->use_doorbell)
1343                 return *ring->wptr_cpu_addr;
1344         else
1345                 return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR);
1346 }
1347
1348 /**
1349  * vcn_v2_0_dec_ring_set_wptr - set write pointer
1350  *
1351  * @ring: amdgpu_ring pointer
1352  *
1353  * Commits the write pointer to the hardware
1354  */
1355 static void vcn_v2_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
1356 {
1357         struct amdgpu_device *adev = ring->adev;
1358
1359         if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1360                 WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2,
1361                         lower_32_bits(ring->wptr) | 0x80000000);
1362
1363         if (ring->use_doorbell) {
1364                 *ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1365                 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1366         } else {
1367                 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1368         }
1369 }
1370
1371 /**
1372  * vcn_v2_0_dec_ring_insert_start - insert a start command
1373  *
1374  * @ring: amdgpu_ring pointer
1375  *
1376  * Write a start command to the ring.
1377  */
1378 void vcn_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring)
1379 {
1380         struct amdgpu_device *adev = ring->adev;
1381
1382         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1383         amdgpu_ring_write(ring, 0);
1384         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1385         amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_START << 1));
1386 }
1387
1388 /**
1389  * vcn_v2_0_dec_ring_insert_end - insert a end command
1390  *
1391  * @ring: amdgpu_ring pointer
1392  *
1393  * Write a end command to the ring.
1394  */
1395 void vcn_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring)
1396 {
1397         struct amdgpu_device *adev = ring->adev;
1398
1399         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1400         amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_END << 1));
1401 }
1402
1403 /**
1404  * vcn_v2_0_dec_ring_insert_nop - insert a nop command
1405  *
1406  * @ring: amdgpu_ring pointer
1407  * @count: the number of NOP packets to insert
1408  *
1409  * Write a nop command to the ring.
1410  */
1411 void vcn_v2_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
1412 {
1413         struct amdgpu_device *adev = ring->adev;
1414         int i;
1415
1416         WARN_ON(ring->wptr % 2 || count % 2);
1417
1418         for (i = 0; i < count / 2; i++) {
1419                 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.nop, 0));
1420                 amdgpu_ring_write(ring, 0);
1421         }
1422 }
1423
1424 /**
1425  * vcn_v2_0_dec_ring_emit_fence - emit an fence & trap command
1426  *
1427  * @ring: amdgpu_ring pointer
1428  * @addr: address
1429  * @seq: sequence number
1430  * @flags: fence related flags
1431  *
1432  * Write a fence and a trap command to the ring.
1433  */
1434 void vcn_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
1435                                 unsigned flags)
1436 {
1437         struct amdgpu_device *adev = ring->adev;
1438
1439         WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1440         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.context_id, 0));
1441         amdgpu_ring_write(ring, seq);
1442
1443         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1444         amdgpu_ring_write(ring, addr & 0xffffffff);
1445
1446         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1447         amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
1448
1449         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1450         amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_FENCE << 1));
1451
1452         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1453         amdgpu_ring_write(ring, 0);
1454
1455         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1456         amdgpu_ring_write(ring, 0);
1457
1458         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1459
1460         amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_TRAP << 1));
1461 }
1462
1463 /**
1464  * vcn_v2_0_dec_ring_emit_ib - execute indirect buffer
1465  *
1466  * @ring: amdgpu_ring pointer
1467  * @job: job to retrieve vmid from
1468  * @ib: indirect buffer to execute
1469  * @flags: unused
1470  *
1471  * Write ring commands to execute the indirect buffer
1472  */
1473 void vcn_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
1474                                struct amdgpu_job *job,
1475                                struct amdgpu_ib *ib,
1476                                uint32_t flags)
1477 {
1478         struct amdgpu_device *adev = ring->adev;
1479         unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1480
1481         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.ib_vmid, 0));
1482         amdgpu_ring_write(ring, vmid);
1483
1484         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.ib_bar_low, 0));
1485         amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1486         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.ib_bar_high, 0));
1487         amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1488         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.ib_size, 0));
1489         amdgpu_ring_write(ring, ib->length_dw);
1490 }
1491
1492 void vcn_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1493                                 uint32_t val, uint32_t mask)
1494 {
1495         struct amdgpu_device *adev = ring->adev;
1496
1497         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1498         amdgpu_ring_write(ring, reg << 2);
1499
1500         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1501         amdgpu_ring_write(ring, val);
1502
1503         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.gp_scratch8, 0));
1504         amdgpu_ring_write(ring, mask);
1505
1506         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1507
1508         amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_REG_READ_COND_WAIT << 1));
1509 }
1510
1511 void vcn_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
1512                                 unsigned vmid, uint64_t pd_addr)
1513 {
1514         struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub];
1515         uint32_t data0, data1, mask;
1516
1517         pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1518
1519         /* wait for register write */
1520         data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
1521         data1 = lower_32_bits(pd_addr);
1522         mask = 0xffffffff;
1523         vcn_v2_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
1524 }
1525
1526 void vcn_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring,
1527                                 uint32_t reg, uint32_t val)
1528 {
1529         struct amdgpu_device *adev = ring->adev;
1530
1531         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1532         amdgpu_ring_write(ring, reg << 2);
1533
1534         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1535         amdgpu_ring_write(ring, val);
1536
1537         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1538
1539         amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_WRITE_REG << 1));
1540 }
1541
1542 /**
1543  * vcn_v2_0_enc_ring_get_rptr - get enc read pointer
1544  *
1545  * @ring: amdgpu_ring pointer
1546  *
1547  * Returns the current hardware enc read pointer
1548  */
1549 static uint64_t vcn_v2_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
1550 {
1551         struct amdgpu_device *adev = ring->adev;
1552
1553         if (ring == &adev->vcn.inst->ring_enc[0])
1554                 return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR);
1555         else
1556                 return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2);
1557 }
1558
1559  /**
1560  * vcn_v2_0_enc_ring_get_wptr - get enc write pointer
1561  *
1562  * @ring: amdgpu_ring pointer
1563  *
1564  * Returns the current hardware enc write pointer
1565  */
1566 static uint64_t vcn_v2_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
1567 {
1568         struct amdgpu_device *adev = ring->adev;
1569
1570         if (ring == &adev->vcn.inst->ring_enc[0]) {
1571                 if (ring->use_doorbell)
1572                         return *ring->wptr_cpu_addr;
1573                 else
1574                         return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
1575         } else {
1576                 if (ring->use_doorbell)
1577                         return *ring->wptr_cpu_addr;
1578                 else
1579                         return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
1580         }
1581 }
1582
1583  /**
1584  * vcn_v2_0_enc_ring_set_wptr - set enc write pointer
1585  *
1586  * @ring: amdgpu_ring pointer
1587  *
1588  * Commits the enc write pointer to the hardware
1589  */
1590 static void vcn_v2_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
1591 {
1592         struct amdgpu_device *adev = ring->adev;
1593
1594         if (ring == &adev->vcn.inst->ring_enc[0]) {
1595                 if (ring->use_doorbell) {
1596                         *ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1597                         WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1598                 } else {
1599                         WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1600                 }
1601         } else {
1602                 if (ring->use_doorbell) {
1603                         *ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1604                         WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1605                 } else {
1606                         WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1607                 }
1608         }
1609 }
1610
1611 /**
1612  * vcn_v2_0_enc_ring_emit_fence - emit an enc fence & trap command
1613  *
1614  * @ring: amdgpu_ring pointer
1615  * @addr: address
1616  * @seq: sequence number
1617  * @flags: fence related flags
1618  *
1619  * Write enc a fence and a trap command to the ring.
1620  */
1621 void vcn_v2_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
1622                                 u64 seq, unsigned flags)
1623 {
1624         WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1625
1626         amdgpu_ring_write(ring, VCN_ENC_CMD_FENCE);
1627         amdgpu_ring_write(ring, addr);
1628         amdgpu_ring_write(ring, upper_32_bits(addr));
1629         amdgpu_ring_write(ring, seq);
1630         amdgpu_ring_write(ring, VCN_ENC_CMD_TRAP);
1631 }
1632
1633 void vcn_v2_0_enc_ring_insert_end(struct amdgpu_ring *ring)
1634 {
1635         amdgpu_ring_write(ring, VCN_ENC_CMD_END);
1636 }
1637
1638 /**
1639  * vcn_v2_0_enc_ring_emit_ib - enc execute indirect buffer
1640  *
1641  * @ring: amdgpu_ring pointer
1642  * @job: job to retrive vmid from
1643  * @ib: indirect buffer to execute
1644  * @flags: unused
1645  *
1646  * Write enc ring commands to execute the indirect buffer
1647  */
1648 void vcn_v2_0_enc_ring_emit_ib(struct amdgpu_ring *ring,
1649                                struct amdgpu_job *job,
1650                                struct amdgpu_ib *ib,
1651                                uint32_t flags)
1652 {
1653         unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1654
1655         amdgpu_ring_write(ring, VCN_ENC_CMD_IB);
1656         amdgpu_ring_write(ring, vmid);
1657         amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1658         amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1659         amdgpu_ring_write(ring, ib->length_dw);
1660 }
1661
1662 void vcn_v2_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1663                                 uint32_t val, uint32_t mask)
1664 {
1665         amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT);
1666         amdgpu_ring_write(ring, reg << 2);
1667         amdgpu_ring_write(ring, mask);
1668         amdgpu_ring_write(ring, val);
1669 }
1670
1671 void vcn_v2_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
1672                                 unsigned int vmid, uint64_t pd_addr)
1673 {
1674         struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub];
1675
1676         pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1677
1678         /* wait for reg writes */
1679         vcn_v2_0_enc_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 +
1680                                         vmid * hub->ctx_addr_distance,
1681                                         lower_32_bits(pd_addr), 0xffffffff);
1682 }
1683
1684 void vcn_v2_0_enc_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
1685 {
1686         amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
1687         amdgpu_ring_write(ring, reg << 2);
1688         amdgpu_ring_write(ring, val);
1689 }
1690
1691 static int vcn_v2_0_set_interrupt_state(struct amdgpu_device *adev,
1692                                         struct amdgpu_irq_src *source,
1693                                         unsigned type,
1694                                         enum amdgpu_interrupt_state state)
1695 {
1696         return 0;
1697 }
1698
1699 static int vcn_v2_0_process_interrupt(struct amdgpu_device *adev,
1700                                       struct amdgpu_irq_src *source,
1701                                       struct amdgpu_iv_entry *entry)
1702 {
1703         DRM_DEBUG("IH: VCN TRAP\n");
1704
1705         switch (entry->src_id) {
1706         case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
1707                 amdgpu_fence_process(&adev->vcn.inst->ring_dec);
1708                 break;
1709         case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
1710                 amdgpu_fence_process(&adev->vcn.inst->ring_enc[0]);
1711                 break;
1712         case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
1713                 amdgpu_fence_process(&adev->vcn.inst->ring_enc[1]);
1714                 break;
1715         default:
1716                 DRM_ERROR("Unhandled interrupt: %d %d\n",
1717                           entry->src_id, entry->src_data[0]);
1718                 break;
1719         }
1720
1721         return 0;
1722 }
1723
1724 int vcn_v2_0_dec_ring_test_ring(struct amdgpu_ring *ring)
1725 {
1726         struct amdgpu_device *adev = ring->adev;
1727         uint32_t tmp = 0;
1728         unsigned i;
1729         int r;
1730
1731         if (amdgpu_sriov_vf(adev))
1732                 return 0;
1733
1734         WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
1735         r = amdgpu_ring_alloc(ring, 4);
1736         if (r)
1737                 return r;
1738         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1739         amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_START << 1));
1740         amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
1741         amdgpu_ring_write(ring, 0xDEADBEEF);
1742         amdgpu_ring_commit(ring);
1743         for (i = 0; i < adev->usec_timeout; i++) {
1744                 tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
1745                 if (tmp == 0xDEADBEEF)
1746                         break;
1747                 udelay(1);
1748         }
1749
1750         if (i >= adev->usec_timeout)
1751                 r = -ETIMEDOUT;
1752
1753         return r;
1754 }
1755
1756
1757 static int vcn_v2_0_set_powergating_state(void *handle,
1758                                           enum amd_powergating_state state)
1759 {
1760         /* This doesn't actually powergate the VCN block.
1761          * That's done in the dpm code via the SMC.  This
1762          * just re-inits the block as necessary.  The actual
1763          * gating still happens in the dpm code.  We should
1764          * revisit this when there is a cleaner line between
1765          * the smc and the hw blocks
1766          */
1767         int ret;
1768         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1769
1770         if (amdgpu_sriov_vf(adev)) {
1771                 adev->vcn.cur_state = AMD_PG_STATE_UNGATE;
1772                 return 0;
1773         }
1774
1775         if (state == adev->vcn.cur_state)
1776                 return 0;
1777
1778         if (state == AMD_PG_STATE_GATE)
1779                 ret = vcn_v2_0_stop(adev);
1780         else
1781                 ret = vcn_v2_0_start(adev);
1782
1783         if (!ret)
1784                 adev->vcn.cur_state = state;
1785         return ret;
1786 }
1787
1788 static int vcn_v2_0_start_mmsch(struct amdgpu_device *adev,
1789                                 struct amdgpu_mm_table *table)
1790 {
1791         uint32_t data = 0, loop;
1792         uint64_t addr = table->gpu_addr;
1793         struct mmsch_v2_0_init_header *header;
1794         uint32_t size;
1795         int i;
1796
1797         header = (struct mmsch_v2_0_init_header *)table->cpu_addr;
1798         size = header->header_size + header->vcn_table_size;
1799
1800         /* 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr
1801          * of memory descriptor location
1802          */
1803         WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr));
1804         WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr));
1805
1806         /* 2, update vmid of descriptor */
1807         data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID);
1808         data &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1809         /* use domain0 for MM scheduler */
1810         data |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1811         WREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID, data);
1812
1813         /* 3, notify mmsch about the size of this descriptor */
1814         WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_SIZE, size);
1815
1816         /* 4, set resp to zero */
1817         WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
1818
1819         adev->vcn.inst->ring_dec.wptr = 0;
1820         adev->vcn.inst->ring_dec.wptr_old = 0;
1821         vcn_v2_0_dec_ring_set_wptr(&adev->vcn.inst->ring_dec);
1822
1823         for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
1824                 adev->vcn.inst->ring_enc[i].wptr = 0;
1825                 adev->vcn.inst->ring_enc[i].wptr_old = 0;
1826                 vcn_v2_0_enc_ring_set_wptr(&adev->vcn.inst->ring_enc[i]);
1827         }
1828
1829         /* 5, kick off the initialization and wait until
1830          * VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero
1831          */
1832         WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_HOST, 0x10000001);
1833
1834         data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP);
1835         loop = 1000;
1836         while ((data & 0x10000002) != 0x10000002) {
1837                 udelay(10);
1838                 data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP);
1839                 loop--;
1840                 if (!loop)
1841                         break;
1842         }
1843
1844         if (!loop) {
1845                 DRM_ERROR("failed to init MMSCH, " \
1846                         "mmMMSCH_VF_MAILBOX_RESP = 0x%08x\n", data);
1847                 return -EBUSY;
1848         }
1849
1850         return 0;
1851 }
1852
1853 static int vcn_v2_0_start_sriov(struct amdgpu_device *adev)
1854 {
1855         int r;
1856         uint32_t tmp;
1857         struct amdgpu_ring *ring;
1858         uint32_t offset, size;
1859         uint32_t table_size = 0;
1860         struct mmsch_v2_0_cmd_direct_write direct_wt = { {0} };
1861         struct mmsch_v2_0_cmd_direct_read_modify_write direct_rd_mod_wt = { {0} };
1862         struct mmsch_v2_0_cmd_end end = { {0} };
1863         struct mmsch_v2_0_init_header *header;
1864         uint32_t *init_table = adev->virt.mm_table.cpu_addr;
1865         uint8_t i = 0;
1866
1867         header = (struct mmsch_v2_0_init_header *)init_table;
1868         direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE;
1869         direct_rd_mod_wt.cmd_header.command_type =
1870                 MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1871         end.cmd_header.command_type = MMSCH_COMMAND__END;
1872
1873         if (header->vcn_table_offset == 0 && header->vcn_table_size == 0) {
1874                 header->version = MMSCH_VERSION;
1875                 header->header_size = sizeof(struct mmsch_v2_0_init_header) >> 2;
1876
1877                 header->vcn_table_offset = header->header_size;
1878
1879                 init_table += header->vcn_table_offset;
1880
1881                 size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[0]->size + 4);
1882
1883                 MMSCH_V2_0_INSERT_DIRECT_RD_MOD_WT(
1884                         SOC15_REG_OFFSET(UVD, i, mmUVD_STATUS),
1885                         0xFFFFFFFF, 0x00000004);
1886
1887                 /* mc resume*/
1888                 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1889                         MMSCH_V2_0_INSERT_DIRECT_WT(
1890                                 SOC15_REG_OFFSET(UVD, i,
1891                                         mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1892                                 adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo);
1893                         MMSCH_V2_0_INSERT_DIRECT_WT(
1894                                 SOC15_REG_OFFSET(UVD, i,
1895                                         mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1896                                 adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi);
1897                         offset = 0;
1898                 } else {
1899                         MMSCH_V2_0_INSERT_DIRECT_WT(
1900                                 SOC15_REG_OFFSET(UVD, i,
1901                                         mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1902                                 lower_32_bits(adev->vcn.inst->gpu_addr));
1903                         MMSCH_V2_0_INSERT_DIRECT_WT(
1904                                 SOC15_REG_OFFSET(UVD, i,
1905                                         mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1906                                 upper_32_bits(adev->vcn.inst->gpu_addr));
1907                         offset = size;
1908                 }
1909
1910                 MMSCH_V2_0_INSERT_DIRECT_WT(
1911                         SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET0),
1912                         0);
1913                 MMSCH_V2_0_INSERT_DIRECT_WT(
1914                         SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE0),
1915                         size);
1916
1917                 MMSCH_V2_0_INSERT_DIRECT_WT(
1918                         SOC15_REG_OFFSET(UVD, i,
1919                                 mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1920                         lower_32_bits(adev->vcn.inst->gpu_addr + offset));
1921                 MMSCH_V2_0_INSERT_DIRECT_WT(
1922                         SOC15_REG_OFFSET(UVD, i,
1923                                 mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1924                         upper_32_bits(adev->vcn.inst->gpu_addr + offset));
1925                 MMSCH_V2_0_INSERT_DIRECT_WT(
1926                         SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET1),
1927                         0);
1928                 MMSCH_V2_0_INSERT_DIRECT_WT(
1929                         SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE1),
1930                         AMDGPU_VCN_STACK_SIZE);
1931
1932                 MMSCH_V2_0_INSERT_DIRECT_WT(
1933                         SOC15_REG_OFFSET(UVD, i,
1934                                 mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1935                         lower_32_bits(adev->vcn.inst->gpu_addr + offset +
1936                                 AMDGPU_VCN_STACK_SIZE));
1937                 MMSCH_V2_0_INSERT_DIRECT_WT(
1938                         SOC15_REG_OFFSET(UVD, i,
1939                                 mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1940                         upper_32_bits(adev->vcn.inst->gpu_addr + offset +
1941                                 AMDGPU_VCN_STACK_SIZE));
1942                 MMSCH_V2_0_INSERT_DIRECT_WT(
1943                         SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET2),
1944                         0);
1945                 MMSCH_V2_0_INSERT_DIRECT_WT(
1946                         SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE2),
1947                         AMDGPU_VCN_CONTEXT_SIZE);
1948
1949                 for (r = 0; r < adev->vcn.num_enc_rings; ++r) {
1950                         ring = &adev->vcn.inst->ring_enc[r];
1951                         ring->wptr = 0;
1952                         MMSCH_V2_0_INSERT_DIRECT_WT(
1953                                 SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_LO),
1954                                 lower_32_bits(ring->gpu_addr));
1955                         MMSCH_V2_0_INSERT_DIRECT_WT(
1956                                 SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_HI),
1957                                 upper_32_bits(ring->gpu_addr));
1958                         MMSCH_V2_0_INSERT_DIRECT_WT(
1959                                 SOC15_REG_OFFSET(UVD, i, mmUVD_RB_SIZE),
1960                                 ring->ring_size / 4);
1961                 }
1962
1963                 ring = &adev->vcn.inst->ring_dec;
1964                 ring->wptr = 0;
1965                 MMSCH_V2_0_INSERT_DIRECT_WT(
1966                         SOC15_REG_OFFSET(UVD, i,
1967                                 mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
1968                         lower_32_bits(ring->gpu_addr));
1969                 MMSCH_V2_0_INSERT_DIRECT_WT(
1970                         SOC15_REG_OFFSET(UVD, i,
1971                                 mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
1972                         upper_32_bits(ring->gpu_addr));
1973                 /* force RBC into idle state */
1974                 tmp = order_base_2(ring->ring_size);
1975                 tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, tmp);
1976                 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1977                 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1978                 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1979                 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1980                 MMSCH_V2_0_INSERT_DIRECT_WT(
1981                         SOC15_REG_OFFSET(UVD, i, mmUVD_RBC_RB_CNTL), tmp);
1982
1983                 /* add end packet */
1984                 tmp = sizeof(struct mmsch_v2_0_cmd_end);
1985                 memcpy((void *)init_table, &end, tmp);
1986                 table_size += (tmp / 4);
1987                 header->vcn_table_size = table_size;
1988
1989         }
1990         return vcn_v2_0_start_mmsch(adev, &adev->virt.mm_table);
1991 }
1992
1993 static const struct amd_ip_funcs vcn_v2_0_ip_funcs = {
1994         .name = "vcn_v2_0",
1995         .early_init = vcn_v2_0_early_init,
1996         .late_init = NULL,
1997         .sw_init = vcn_v2_0_sw_init,
1998         .sw_fini = vcn_v2_0_sw_fini,
1999         .hw_init = vcn_v2_0_hw_init,
2000         .hw_fini = vcn_v2_0_hw_fini,
2001         .suspend = vcn_v2_0_suspend,
2002         .resume = vcn_v2_0_resume,
2003         .is_idle = vcn_v2_0_is_idle,
2004         .wait_for_idle = vcn_v2_0_wait_for_idle,
2005         .check_soft_reset = NULL,
2006         .pre_soft_reset = NULL,
2007         .soft_reset = NULL,
2008         .post_soft_reset = NULL,
2009         .set_clockgating_state = vcn_v2_0_set_clockgating_state,
2010         .set_powergating_state = vcn_v2_0_set_powergating_state,
2011         .dump_ip_state = NULL,
2012         .print_ip_state = NULL,
2013 };
2014
2015 static const struct amdgpu_ring_funcs vcn_v2_0_dec_ring_vm_funcs = {
2016         .type = AMDGPU_RING_TYPE_VCN_DEC,
2017         .align_mask = 0xf,
2018         .secure_submission_supported = true,
2019         .get_rptr = vcn_v2_0_dec_ring_get_rptr,
2020         .get_wptr = vcn_v2_0_dec_ring_get_wptr,
2021         .set_wptr = vcn_v2_0_dec_ring_set_wptr,
2022         .emit_frame_size =
2023                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
2024                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
2025                 8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
2026                 14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
2027                 6,
2028         .emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
2029         .emit_ib = vcn_v2_0_dec_ring_emit_ib,
2030         .emit_fence = vcn_v2_0_dec_ring_emit_fence,
2031         .emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
2032         .test_ring = vcn_v2_0_dec_ring_test_ring,
2033         .test_ib = amdgpu_vcn_dec_ring_test_ib,
2034         .insert_nop = vcn_v2_0_dec_ring_insert_nop,
2035         .insert_start = vcn_v2_0_dec_ring_insert_start,
2036         .insert_end = vcn_v2_0_dec_ring_insert_end,
2037         .pad_ib = amdgpu_ring_generic_pad_ib,
2038         .begin_use = amdgpu_vcn_ring_begin_use,
2039         .end_use = amdgpu_vcn_ring_end_use,
2040         .emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
2041         .emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
2042         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2043 };
2044
2045 static const struct amdgpu_ring_funcs vcn_v2_0_enc_ring_vm_funcs = {
2046         .type = AMDGPU_RING_TYPE_VCN_ENC,
2047         .align_mask = 0x3f,
2048         .nop = VCN_ENC_CMD_NO_OP,
2049         .get_rptr = vcn_v2_0_enc_ring_get_rptr,
2050         .get_wptr = vcn_v2_0_enc_ring_get_wptr,
2051         .set_wptr = vcn_v2_0_enc_ring_set_wptr,
2052         .emit_frame_size =
2053                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2054                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
2055                 4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
2056                 5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
2057                 1, /* vcn_v2_0_enc_ring_insert_end */
2058         .emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
2059         .emit_ib = vcn_v2_0_enc_ring_emit_ib,
2060         .emit_fence = vcn_v2_0_enc_ring_emit_fence,
2061         .emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
2062         .test_ring = amdgpu_vcn_enc_ring_test_ring,
2063         .test_ib = amdgpu_vcn_enc_ring_test_ib,
2064         .insert_nop = amdgpu_ring_insert_nop,
2065         .insert_end = vcn_v2_0_enc_ring_insert_end,
2066         .pad_ib = amdgpu_ring_generic_pad_ib,
2067         .begin_use = amdgpu_vcn_ring_begin_use,
2068         .end_use = amdgpu_vcn_ring_end_use,
2069         .emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
2070         .emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
2071         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2072 };
2073
2074 static void vcn_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev)
2075 {
2076         adev->vcn.inst->ring_dec.funcs = &vcn_v2_0_dec_ring_vm_funcs;
2077         DRM_INFO("VCN decode is enabled in VM mode\n");
2078 }
2079
2080 static void vcn_v2_0_set_enc_ring_funcs(struct amdgpu_device *adev)
2081 {
2082         int i;
2083
2084         for (i = 0; i < adev->vcn.num_enc_rings; ++i)
2085                 adev->vcn.inst->ring_enc[i].funcs = &vcn_v2_0_enc_ring_vm_funcs;
2086
2087         DRM_INFO("VCN encode is enabled in VM mode\n");
2088 }
2089
2090 static const struct amdgpu_irq_src_funcs vcn_v2_0_irq_funcs = {
2091         .set = vcn_v2_0_set_interrupt_state,
2092         .process = vcn_v2_0_process_interrupt,
2093 };
2094
2095 static void vcn_v2_0_set_irq_funcs(struct amdgpu_device *adev)
2096 {
2097         adev->vcn.inst->irq.num_types = adev->vcn.num_enc_rings + 1;
2098         adev->vcn.inst->irq.funcs = &vcn_v2_0_irq_funcs;
2099 }
2100
2101 const struct amdgpu_ip_block_version vcn_v2_0_ip_block =
2102 {
2103                 .type = AMD_IP_BLOCK_TYPE_VCN,
2104                 .major = 2,
2105                 .minor = 0,
2106                 .rev = 0,
2107                 .funcs = &vcn_v2_0_ip_funcs,
2108 };