drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c

   1 /*
   2  * Copyright 2016 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/drmP.h>
  26 #include "amdgpu.h"
  27 #include "amdgpu_vcn.h"
  28 #include "soc15d.h"
  29 #include "soc15_common.h"
  30
  31 #include "vega10/soc15ip.h"
  32 #include "raven1/VCN/vcn_1_0_offset.h"
  33 #include "raven1/VCN/vcn_1_0_sh_mask.h"
  34 #include "vega10/HDP/hdp_4_0_offset.h"
  35 #include "raven1/MMHUB/mmhub_9_1_offset.h"
  36 #include "raven1/MMHUB/mmhub_9_1_sh_mask.h"
  37
  38 static int vcn_v1_0_start(struct amdgpu_device *adev);
  39 static int vcn_v1_0_stop(struct amdgpu_device *adev);
  40 static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev);
  41 static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev);
  42 static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev);
  43
  44 /**
  45  * vcn_v1_0_early_init - set function pointers
  46  *
  47  * @handle: amdgpu_device pointer
  48  *
  49  * Set ring and irq function pointers
  50  */
  51 static int vcn_v1_0_early_init(void *handle)
  52 {
  53         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  54
  55         adev->vcn.num_enc_rings = 2;
  56
  57         vcn_v1_0_set_dec_ring_funcs(adev);
  58         vcn_v1_0_set_enc_ring_funcs(adev);
  59         vcn_v1_0_set_irq_funcs(adev);
  60
  61         return 0;
  62 }
  63
  64 /**
  65  * vcn_v1_0_sw_init - sw init for VCN block
  66  *
  67  * @handle: amdgpu_device pointer
  68  *
  69  * Load firmware and sw initialization
  70  */
  71 static int vcn_v1_0_sw_init(void *handle)
  72 {
  73         struct amdgpu_ring *ring;
  74         int i, r;
  75         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  76
  77         /* VCN DEC TRAP */
  78         r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_VCN, 124, &adev->vcn.irq);
  79         if (r)
  80                 return r;
  81
  82         /* VCN ENC TRAP */
  83         for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
  84                 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_VCN, i + 119,
  85                                         &adev->vcn.irq);
  86                 if (r)
  87                         return r;
  88         }
  89
  90         r = amdgpu_vcn_sw_init(adev);
  91         if (r)
  92                 return r;
  93
  94         r = amdgpu_vcn_resume(adev);
  95         if (r)
  96                 return r;
  97
  98         ring = &adev->vcn.ring_dec;
  99         sprintf(ring->name, "vcn_dec");
 100         r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0);
 101         if (r)
 102                 return r;
 103
 104         for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
 105                 ring = &adev->vcn.ring_enc[i];
 106                 sprintf(ring->name, "vcn_enc%d", i);
 107                 r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0);
 108                 if (r)
 109                         return r;
 110         }
 111
 112         return r;
 113 }
 114
 115 /**
 116  * vcn_v1_0_sw_fini - sw fini for VCN block
 117  *
 118  * @handle: amdgpu_device pointer
 119  *
 120  * VCN suspend and free up sw allocation
 121  */
 122 static int vcn_v1_0_sw_fini(void *handle)
 123 {
 124         int r;
 125         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 126
 127         r = amdgpu_vcn_suspend(adev);
 128         if (r)
 129                 return r;
 130
 131         r = amdgpu_vcn_sw_fini(adev);
 132
 133         return r;
 134 }
 135
 136 /**
 137  * vcn_v1_0_hw_init - start and test VCN block
 138  *
 139  * @handle: amdgpu_device pointer
 140  *
 141  * Initialize the hardware, boot up the VCPU and do some testing
 142  */
 143 static int vcn_v1_0_hw_init(void *handle)
 144 {
 145         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 146         struct amdgpu_ring *ring = &adev->vcn.ring_dec;
 147         int i, r;
 148
 149         r = vcn_v1_0_start(adev);
 150         if (r)
 151                 goto done;
 152
 153         ring->ready = true;
 154         r = amdgpu_ring_test_ring(ring);
 155         if (r) {
 156                 ring->ready = false;
 157                 goto done;
 158         }
 159
 160         for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
 161                 ring = &adev->vcn.ring_enc[i];
 162                 ring->ready = true;
 163                 r = amdgpu_ring_test_ring(ring);
 164                 if (r) {
 165                         ring->ready = false;
 166                         goto done;
 167                 }
 168         }
 169
 170 done:
 171         if (!r)
 172                 DRM_INFO("VCN decode and encode initialized successfully.\n");
 173
 174         return r;
 175 }
 176
 177 /**
 178  * vcn_v1_0_hw_fini - stop the hardware block
 179  *
 180  * @handle: amdgpu_device pointer
 181  *
 182  * Stop the VCN block, mark ring as not ready any more
 183  */
 184 static int vcn_v1_0_hw_fini(void *handle)
 185 {
 186         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 187         struct amdgpu_ring *ring = &adev->vcn.ring_dec;
 188         int r;
 189
 190         r = vcn_v1_0_stop(adev);
 191         if (r)
 192                 return r;
 193
 194         ring->ready = false;
 195
 196         return 0;
 197 }
 198
 199 /**
 200  * vcn_v1_0_suspend - suspend VCN block
 201  *
 202  * @handle: amdgpu_device pointer
 203  *
 204  * HW fini and suspend VCN block
 205  */
 206 static int vcn_v1_0_suspend(void *handle)
 207 {
 208         int r;
 209         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 210
 211         r = vcn_v1_0_hw_fini(adev);
 212         if (r)
 213                 return r;
 214
 215         r = amdgpu_vcn_suspend(adev);
 216
 217         return r;
 218 }
 219
 220 /**
 221  * vcn_v1_0_resume - resume VCN block
 222  *
 223  * @handle: amdgpu_device pointer
 224  *
 225  * Resume firmware and hw init VCN block
 226  */
 227 static int vcn_v1_0_resume(void *handle)
 228 {
 229         int r;
 230         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 231
 232         r = amdgpu_vcn_resume(adev);
 233         if (r)
 234                 return r;
 235
 236         r = vcn_v1_0_hw_init(adev);
 237
 238         return r;
 239 }
 240
 241 /**
 242  * vcn_v1_0_mc_resume - memory controller programming
 243  *
 244  * @adev: amdgpu_device pointer
 245  *
 246  * Let the VCN memory controller know it's offsets
 247  */
 248 static void vcn_v1_0_mc_resume(struct amdgpu_device *adev)
 249 {
 250         uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
 251
 252         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
 253                         lower_32_bits(adev->vcn.gpu_addr));
 254         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
 255                         upper_32_bits(adev->vcn.gpu_addr));
 256         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
 257                                 AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
 258         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size);
 259
 260         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
 261                         lower_32_bits(adev->vcn.gpu_addr + size));
 262         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
 263                         upper_32_bits(adev->vcn.gpu_addr + size));
 264         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0);
 265         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_HEAP_SIZE);
 266
 267         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
 268                         lower_32_bits(adev->vcn.gpu_addr + size + AMDGPU_VCN_HEAP_SIZE));
 269         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
 270                         upper_32_bits(adev->vcn.gpu_addr + size + AMDGPU_VCN_HEAP_SIZE));
 271         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0);
 272         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2,
 273                         AMDGPU_VCN_STACK_SIZE + (AMDGPU_VCN_SESSION_SIZE * 40));
 274
 275         WREG32_SOC15(UVD, 0, mmUVD_UDEC_ADDR_CONFIG,
 276                         adev->gfx.config.gb_addr_config);
 277         WREG32_SOC15(UVD, 0, mmUVD_UDEC_DB_ADDR_CONFIG,
 278                         adev->gfx.config.gb_addr_config);
 279         WREG32_SOC15(UVD, 0, mmUVD_UDEC_DBW_ADDR_CONFIG,
 280                         adev->gfx.config.gb_addr_config);
 281 }
 282
 283 /**
 284  * vcn_v1_0_disable_clock_gating - disable VCN clock gating
 285  *
 286  * @adev: amdgpu_device pointer
 287  * @sw: enable SW clock gating
 288  *
 289  * Disable clock gating for VCN block
 290  */
 291 static void vcn_v1_0_disable_clock_gating(struct amdgpu_device *adev, bool sw)
 292 {
 293         uint32_t data;
 294
 295         /* JPEG disable CGC */
 296         data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL);
 297
 298         if (sw)
 299                 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 300         else
 301                 data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE_MASK;
 302
 303         data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 304         data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 305         WREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL, data);
 306
 307         data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE);
 308         data &= ~(JPEG_CGC_GATE__JPEG_MASK | JPEG_CGC_GATE__JPEG2_MASK);
 309         WREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE, data);
 310
 311         /* UVD disable CGC */
 312         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 313         if (sw)
 314                 data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 315         else
 316                 data &= ~ UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
 317
 318         data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 319         data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 320         WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 321
 322         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_GATE);
 323         data &= ~(UVD_CGC_GATE__SYS_MASK
 324                 | UVD_CGC_GATE__UDEC_MASK
 325                 | UVD_CGC_GATE__MPEG2_MASK
 326                 | UVD_CGC_GATE__REGS_MASK
 327                 | UVD_CGC_GATE__RBC_MASK
 328                 | UVD_CGC_GATE__LMI_MC_MASK
 329                 | UVD_CGC_GATE__LMI_UMC_MASK
 330                 | UVD_CGC_GATE__IDCT_MASK
 331                 | UVD_CGC_GATE__MPRD_MASK
 332                 | UVD_CGC_GATE__MPC_MASK
 333                 | UVD_CGC_GATE__LBSI_MASK
 334                 | UVD_CGC_GATE__LRBBM_MASK
 335                 | UVD_CGC_GATE__UDEC_RE_MASK
 336                 | UVD_CGC_GATE__UDEC_CM_MASK
 337                 | UVD_CGC_GATE__UDEC_IT_MASK
 338                 | UVD_CGC_GATE__UDEC_DB_MASK
 339                 | UVD_CGC_GATE__UDEC_MP_MASK
 340                 | UVD_CGC_GATE__WCB_MASK
 341                 | UVD_CGC_GATE__VCPU_MASK
 342                 | UVD_CGC_GATE__SCPU_MASK);
 343         WREG32_SOC15(VCN, 0, mmUVD_CGC_GATE, data);
 344
 345         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 346         data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
 347                 | UVD_CGC_CTRL__UDEC_CM_MODE_MASK
 348                 | UVD_CGC_CTRL__UDEC_IT_MODE_MASK
 349                 | UVD_CGC_CTRL__UDEC_DB_MODE_MASK
 350                 | UVD_CGC_CTRL__UDEC_MP_MODE_MASK
 351                 | UVD_CGC_CTRL__SYS_MODE_MASK
 352                 | UVD_CGC_CTRL__UDEC_MODE_MASK
 353                 | UVD_CGC_CTRL__MPEG2_MODE_MASK
 354                 | UVD_CGC_CTRL__REGS_MODE_MASK
 355                 | UVD_CGC_CTRL__RBC_MODE_MASK
 356                 | UVD_CGC_CTRL__LMI_MC_MODE_MASK
 357                 | UVD_CGC_CTRL__LMI_UMC_MODE_MASK
 358                 | UVD_CGC_CTRL__IDCT_MODE_MASK
 359                 | UVD_CGC_CTRL__MPRD_MODE_MASK
 360                 | UVD_CGC_CTRL__MPC_MODE_MASK
 361                 | UVD_CGC_CTRL__LBSI_MODE_MASK
 362                 | UVD_CGC_CTRL__LRBBM_MODE_MASK
 363                 | UVD_CGC_CTRL__WCB_MODE_MASK
 364                 | UVD_CGC_CTRL__VCPU_MODE_MASK
 365                 | UVD_CGC_CTRL__SCPU_MODE_MASK);
 366         WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 367
 368         /* turn on */
 369         data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE);
 370         data |= (UVD_SUVD_CGC_GATE__SRE_MASK
 371                 | UVD_SUVD_CGC_GATE__SIT_MASK
 372                 | UVD_SUVD_CGC_GATE__SMP_MASK
 373                 | UVD_SUVD_CGC_GATE__SCM_MASK
 374                 | UVD_SUVD_CGC_GATE__SDB_MASK
 375                 | UVD_SUVD_CGC_GATE__SRE_H264_MASK
 376                 | UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
 377                 | UVD_SUVD_CGC_GATE__SIT_H264_MASK
 378                 | UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
 379                 | UVD_SUVD_CGC_GATE__SCM_H264_MASK
 380                 | UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
 381                 | UVD_SUVD_CGC_GATE__SDB_H264_MASK
 382                 | UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
 383                 | UVD_SUVD_CGC_GATE__SCLR_MASK
 384                 | UVD_SUVD_CGC_GATE__UVD_SC_MASK
 385                 | UVD_SUVD_CGC_GATE__ENT_MASK
 386                 | UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
 387                 | UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
 388                 | UVD_SUVD_CGC_GATE__SITE_MASK
 389                 | UVD_SUVD_CGC_GATE__SRE_VP9_MASK
 390                 | UVD_SUVD_CGC_GATE__SCM_VP9_MASK
 391                 | UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
 392                 | UVD_SUVD_CGC_GATE__SDB_VP9_MASK
 393                 | UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
 394         WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE, data);
 395
 396         data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
 397         data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
 398                 | UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
 399                 | UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
 400                 | UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
 401                 | UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
 402                 | UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
 403                 | UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
 404                 | UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
 405                 | UVD_SUVD_CGC_CTRL__IME_MODE_MASK
 406                 | UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
 407         WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
 408 }
 409
 410 /**
 411  * vcn_v1_0_enable_clock_gating - enable VCN clock gating
 412  *
 413  * @adev: amdgpu_device pointer
 414  * @sw: enable SW clock gating
 415  *
 416  * Enable clock gating for VCN block
 417  */
 418 static void vcn_v1_0_enable_clock_gating(struct amdgpu_device *adev, bool sw)
 419 {
 420         uint32_t data = 0;
 421
 422         /* enable JPEG CGC */
 423         data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL);
 424         if (sw)
 425                 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 426         else
 427                 data |= 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 428         data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 429         data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 430         WREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL, data);
 431
 432         data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE);
 433         data |= (JPEG_CGC_GATE__JPEG_MASK | JPEG_CGC_GATE__JPEG2_MASK);
 434         WREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE, data);
 435
 436         /* enable UVD CGC */
 437         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 438         if (sw)
 439                 data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 440         else
 441                 data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 442         data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 443         data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 444         WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 445
 446         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 447         data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
 448                 | UVD_CGC_CTRL__UDEC_CM_MODE_MASK
 449                 | UVD_CGC_CTRL__UDEC_IT_MODE_MASK
 450                 | UVD_CGC_CTRL__UDEC_DB_MODE_MASK
 451                 | UVD_CGC_CTRL__UDEC_MP_MODE_MASK
 452                 | UVD_CGC_CTRL__SYS_MODE_MASK
 453                 | UVD_CGC_CTRL__UDEC_MODE_MASK
 454                 | UVD_CGC_CTRL__MPEG2_MODE_MASK
 455                 | UVD_CGC_CTRL__REGS_MODE_MASK
 456                 | UVD_CGC_CTRL__RBC_MODE_MASK
 457                 | UVD_CGC_CTRL__LMI_MC_MODE_MASK
 458                 | UVD_CGC_CTRL__LMI_UMC_MODE_MASK
 459                 | UVD_CGC_CTRL__IDCT_MODE_MASK
 460                 | UVD_CGC_CTRL__MPRD_MODE_MASK
 461                 | UVD_CGC_CTRL__MPC_MODE_MASK
 462                 | UVD_CGC_CTRL__LBSI_MODE_MASK
 463                 | UVD_CGC_CTRL__LRBBM_MODE_MASK
 464                 | UVD_CGC_CTRL__WCB_MODE_MASK
 465                 | UVD_CGC_CTRL__VCPU_MODE_MASK
 466                 | UVD_CGC_CTRL__SCPU_MODE_MASK);
 467         WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 468
 469         data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
 470         data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
 471                 | UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
 472                 | UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
 473                 | UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
 474                 | UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
 475                 | UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
 476                 | UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
 477                 | UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
 478                 | UVD_SUVD_CGC_CTRL__IME_MODE_MASK
 479                 | UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
 480         WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
 481 }
 482
 483 /**
 484  * vcn_v1_0_start - start VCN block
 485  *
 486  * @adev: amdgpu_device pointer
 487  *
 488  * Setup and start the VCN block
 489  */
 490 static int vcn_v1_0_start(struct amdgpu_device *adev)
 491 {
 492         struct amdgpu_ring *ring = &adev->vcn.ring_dec;
 493         uint32_t rb_bufsz, tmp;
 494         uint32_t lmi_swap_cntl;
 495         int i, j, r;
 496
 497         /* disable byte swapping */
 498         lmi_swap_cntl = 0;
 499
 500         vcn_v1_0_mc_resume(adev);
 501
 502         /* disable clock gating */
 503         vcn_v1_0_disable_clock_gating(adev, true);
 504
 505         /* disable interupt */
 506         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0,
 507                         ~UVD_MASTINT_EN__VCPU_EN_MASK);
 508
 509         /* stall UMC and register bus before resetting VCPU */
 510         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2),
 511                         UVD_LMI_CTRL2__STALL_ARB_UMC_MASK,
 512                         ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
 513         mdelay(1);
 514
 515         /* put LMI, VCPU, RBC etc... into reset */
 516         WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET,
 517                 UVD_SOFT_RESET__LMI_SOFT_RESET_MASK |
 518                 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK |
 519                 UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK |
 520                 UVD_SOFT_RESET__RBC_SOFT_RESET_MASK |
 521                 UVD_SOFT_RESET__CSM_SOFT_RESET_MASK |
 522                 UVD_SOFT_RESET__CXW_SOFT_RESET_MASK |
 523                 UVD_SOFT_RESET__TAP_SOFT_RESET_MASK |
 524                 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
 525         mdelay(5);
 526
 527         /* initialize VCN memory controller */
 528         WREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL,
 529                 (0x40 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
 530                 UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
 531                 UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
 532                 UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
 533                 UVD_LMI_CTRL__REQ_MODE_MASK |
 534                 0x00100000L);
 535
 536 #ifdef __BIG_ENDIAN
 537         /* swap (8 in 32) RB and IB */
 538         lmi_swap_cntl = 0xa;
 539 #endif
 540         WREG32_SOC15(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
 541
 542         WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA0, 0x40c2040);
 543         WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA1, 0x0);
 544         WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB0, 0x40c2040);
 545         WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB1, 0x0);
 546         WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_ALU, 0);
 547         WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUX, 0x88);
 548
 549         /* take all subblocks out of reset, except VCPU */
 550         WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET,
 551                         UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
 552         mdelay(5);
 553
 554         /* enable VCPU clock */
 555         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CNTL,
 556                         UVD_VCPU_CNTL__CLK_EN_MASK);
 557
 558         /* enable UMC */
 559         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0,
 560                         ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
 561
 562         /* boot up the VCPU */
 563         WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, 0);
 564         mdelay(10);
 565
 566         for (i = 0; i < 10; ++i) {
 567                 uint32_t status;
 568
 569                 for (j = 0; j < 100; ++j) {
 570                         status = RREG32_SOC15(UVD, 0, mmUVD_STATUS);
 571                         if (status & 2)
 572                                 break;
 573                         mdelay(10);
 574                 }
 575                 r = 0;
 576                 if (status & 2)
 577                         break;
 578
 579                 DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
 580                 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
 581                                 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
 582                                 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
 583                 mdelay(10);
 584                 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
 585                                 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
 586                 mdelay(10);
 587                 r = -1;
 588         }
 589
 590         if (r) {
 591                 DRM_ERROR("VCN decode not responding, giving up!!!\n");
 592                 return r;
 593         }
 594         /* enable master interrupt */
 595         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN),
 596                 (UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK),
 597                 ~(UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK));
 598
 599         /* clear the bit 4 of VCN_STATUS */
 600         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 0,
 601                         ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
 602
 603         /* force RBC into idle state */
 604         rb_bufsz = order_base_2(ring->ring_size);
 605         tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
 606         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
 607         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
 608         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0);
 609         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
 610         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
 611         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
 612
 613         /* set the write pointer delay */
 614         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
 615
 616         /* set the wb address */
 617         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR,
 618                         (upper_32_bits(ring->gpu_addr) >> 2));
 619
 620         /* programm the RB_BASE for ring buffer */
 621         WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
 622                         lower_32_bits(ring->gpu_addr));
 623         WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
 624                         upper_32_bits(ring->gpu_addr));
 625
 626         /* Initialize the ring buffer's read and write pointers */
 627         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
 628
 629         ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
 630         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
 631                         lower_32_bits(ring->wptr));
 632
 633         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0,
 634                         ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
 635
 636         ring = &adev->vcn.ring_enc[0];
 637         WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
 638         WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
 639         WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
 640         WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
 641         WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
 642
 643         ring = &adev->vcn.ring_enc[1];
 644         WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
 645         WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
 646         WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
 647         WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
 648         WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
 649
 650         return 0;
 651 }
 652
 653 /**
 654  * vcn_v1_0_stop - stop VCN block
 655  *
 656  * @adev: amdgpu_device pointer
 657  *
 658  * stop the VCN block
 659  */
 660 static int vcn_v1_0_stop(struct amdgpu_device *adev)
 661 {
 662         /* force RBC into idle state */
 663         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, 0x11010101);
 664
 665         /* Stall UMC and register bus before resetting VCPU */
 666         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2),
 667                         UVD_LMI_CTRL2__STALL_ARB_UMC_MASK,
 668                         ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
 669         mdelay(1);
 670
 671         /* put VCPU into reset */
 672         WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET,
 673                         UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
 674         mdelay(5);
 675
 676         /* disable VCPU clock */
 677         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CNTL, 0x0);
 678
 679         /* Unstall UMC and register bus */
 680         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0,
 681                         ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
 682
 683         /* enable clock gating */
 684         vcn_v1_0_enable_clock_gating(adev, true);
 685
 686         return 0;
 687 }
 688
 689 static int vcn_v1_0_set_clockgating_state(void *handle,
 690                                           enum amd_clockgating_state state)
 691 {
 692         /* needed for driver unload*/
 693         return 0;
 694 }
 695
 696 /**
 697  * vcn_v1_0_dec_ring_get_rptr - get read pointer
 698  *
 699  * @ring: amdgpu_ring pointer
 700  *
 701  * Returns the current hardware read pointer
 702  */
 703 static uint64_t vcn_v1_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
 704 {
 705         struct amdgpu_device *adev = ring->adev;
 706
 707         return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
 708 }
 709
 710 /**
 711  * vcn_v1_0_dec_ring_get_wptr - get write pointer
 712  *
 713  * @ring: amdgpu_ring pointer
 714  *
 715  * Returns the current hardware write pointer
 716  */
 717 static uint64_t vcn_v1_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
 718 {
 719         struct amdgpu_device *adev = ring->adev;
 720
 721         return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR);
 722 }
 723
 724 /**
 725  * vcn_v1_0_dec_ring_set_wptr - set write pointer
 726  *
 727  * @ring: amdgpu_ring pointer
 728  *
 729  * Commits the write pointer to the hardware
 730  */
 731 static void vcn_v1_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
 732 {
 733         struct amdgpu_device *adev = ring->adev;
 734
 735         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
 736 }
 737
 738 /**
 739  * vcn_v1_0_dec_ring_insert_start - insert a start command
 740  *
 741  * @ring: amdgpu_ring pointer
 742  *
 743  * Write a start command to the ring.
 744  */
 745 static void vcn_v1_0_dec_ring_insert_start(struct amdgpu_ring *ring)
 746 {
 747         amdgpu_ring_write(ring,
 748                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
 749         amdgpu_ring_write(ring, 0);
 750         amdgpu_ring_write(ring,
 751                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
 752         amdgpu_ring_write(ring, VCN_DEC_CMD_PACKET_START << 1);
 753 }
 754
 755 /**
 756  * vcn_v1_0_dec_ring_insert_end - insert a end command
 757  *
 758  * @ring: amdgpu_ring pointer
 759  *
 760  * Write a end command to the ring.
 761  */
 762 static void vcn_v1_0_dec_ring_insert_end(struct amdgpu_ring *ring)
 763 {
 764         amdgpu_ring_write(ring,
 765                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
 766         amdgpu_ring_write(ring, VCN_DEC_CMD_PACKET_END << 1);
 767 }
 768
 769 /**
 770  * vcn_v1_0_dec_ring_emit_fence - emit an fence & trap command
 771  *
 772  * @ring: amdgpu_ring pointer
 773  * @fence: fence to emit
 774  *
 775  * Write a fence and a trap command to the ring.
 776  */
 777 static void vcn_v1_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
 778                                      unsigned flags)
 779 {
 780         WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
 781
 782         amdgpu_ring_write(ring,
 783                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0));
 784         amdgpu_ring_write(ring, seq);
 785         amdgpu_ring_write(ring,
 786                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
 787         amdgpu_ring_write(ring, addr & 0xffffffff);
 788         amdgpu_ring_write(ring,
 789                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
 790         amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
 791         amdgpu_ring_write(ring,
 792                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
 793         amdgpu_ring_write(ring, VCN_DEC_CMD_FENCE << 1);
 794
 795         amdgpu_ring_write(ring,
 796                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
 797         amdgpu_ring_write(ring, 0);
 798         amdgpu_ring_write(ring,
 799                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
 800         amdgpu_ring_write(ring, 0);
 801         amdgpu_ring_write(ring,
 802                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
 803         amdgpu_ring_write(ring, VCN_DEC_CMD_TRAP << 1);
 804 }
 805
 806 /**
 807  * vcn_v1_0_dec_ring_hdp_invalidate - emit an hdp invalidate
 808  *
 809  * @ring: amdgpu_ring pointer
 810  *
 811  * Emits an hdp invalidate.
 812  */
 813 static void vcn_v1_0_dec_ring_emit_hdp_invalidate(struct amdgpu_ring *ring)
 814 {
 815         amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 0));
 816         amdgpu_ring_write(ring, 1);
 817 }
 818
 819 /**
 820  * vcn_v1_0_dec_ring_emit_ib - execute indirect buffer
 821  *
 822  * @ring: amdgpu_ring pointer
 823  * @ib: indirect buffer to execute
 824  *
 825  * Write ring commands to execute the indirect buffer
 826  */
 827 static void vcn_v1_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
 828                                   struct amdgpu_ib *ib,
 829                                   unsigned vm_id, bool ctx_switch)
 830 {
 831         amdgpu_ring_write(ring,
 832                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_VMID), 0));
 833         amdgpu_ring_write(ring, vm_id);
 834
 835         amdgpu_ring_write(ring,
 836                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_64BIT_BAR_LOW), 0));
 837         amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
 838         amdgpu_ring_write(ring,
 839                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH), 0));
 840         amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
 841         amdgpu_ring_write(ring,
 842                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_IB_SIZE), 0));
 843         amdgpu_ring_write(ring, ib->length_dw);
 844 }
 845
 846 static void vcn_v1_0_dec_vm_reg_write(struct amdgpu_ring *ring,
 847                                 uint32_t data0, uint32_t data1)
 848 {
 849         amdgpu_ring_write(ring,
 850                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
 851         amdgpu_ring_write(ring, data0);
 852         amdgpu_ring_write(ring,
 853                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
 854         amdgpu_ring_write(ring, data1);
 855         amdgpu_ring_write(ring,
 856                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
 857         amdgpu_ring_write(ring, VCN_DEC_CMD_WRITE_REG << 1);
 858 }
 859
 860 static void vcn_v1_0_dec_vm_reg_wait(struct amdgpu_ring *ring,
 861                                 uint32_t data0, uint32_t data1, uint32_t mask)
 862 {
 863         amdgpu_ring_write(ring,
 864                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
 865         amdgpu_ring_write(ring, data0);
 866         amdgpu_ring_write(ring,
 867                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
 868         amdgpu_ring_write(ring, data1);
 869         amdgpu_ring_write(ring,
 870                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GP_SCRATCH8), 0));
 871         amdgpu_ring_write(ring, mask);
 872         amdgpu_ring_write(ring,
 873                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
 874         amdgpu_ring_write(ring, VCN_DEC_CMD_REG_READ_COND_WAIT << 1);
 875 }
 876
 877 static void vcn_v1_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
 878                                         unsigned vm_id, uint64_t pd_addr)
 879 {
 880         struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
 881         uint32_t req = ring->adev->gart.gart_funcs->get_invalidate_req(vm_id);
 882         uint32_t data0, data1, mask;
 883         unsigned eng = ring->vm_inv_eng;
 884
 885         pd_addr = amdgpu_gart_get_vm_pde(ring->adev, pd_addr);
 886         pd_addr |= AMDGPU_PTE_VALID;
 887
 888         data0 = (hub->ctx0_ptb_addr_hi32 + vm_id * 2) << 2;
 889         data1 = upper_32_bits(pd_addr);
 890         vcn_v1_0_dec_vm_reg_write(ring, data0, data1);
 891
 892         data0 = (hub->ctx0_ptb_addr_lo32 + vm_id * 2) << 2;
 893         data1 = lower_32_bits(pd_addr);
 894         vcn_v1_0_dec_vm_reg_write(ring, data0, data1);
 895
 896         data0 = (hub->ctx0_ptb_addr_lo32 + vm_id * 2) << 2;
 897         data1 = lower_32_bits(pd_addr);
 898         mask = 0xffffffff;
 899         vcn_v1_0_dec_vm_reg_wait(ring, data0, data1, mask);
 900
 901         /* flush TLB */
 902         data0 = (hub->vm_inv_eng0_req + eng) << 2;
 903         data1 = req;
 904         vcn_v1_0_dec_vm_reg_write(ring, data0, data1);
 905
 906         /* wait for flush */
 907         data0 = (hub->vm_inv_eng0_ack + eng) << 2;
 908         data1 = 1 << vm_id;
 909         mask =  1 << vm_id;
 910         vcn_v1_0_dec_vm_reg_wait(ring, data0, data1, mask);
 911 }
 912
 913 /**
 914  * vcn_v1_0_enc_ring_get_rptr - get enc read pointer
 915  *
 916  * @ring: amdgpu_ring pointer
 917  *
 918  * Returns the current hardware enc read pointer
 919  */
 920 static uint64_t vcn_v1_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
 921 {
 922         struct amdgpu_device *adev = ring->adev;
 923
 924         if (ring == &adev->vcn.ring_enc[0])
 925                 return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR);
 926         else
 927                 return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2);
 928 }
 929
 930  /**
 931  * vcn_v1_0_enc_ring_get_wptr - get enc write pointer
 932  *
 933  * @ring: amdgpu_ring pointer
 934  *
 935  * Returns the current hardware enc write pointer
 936  */
 937 static uint64_t vcn_v1_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
 938 {
 939         struct amdgpu_device *adev = ring->adev;
 940
 941         if (ring == &adev->vcn.ring_enc[0])
 942                 return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
 943         else
 944                 return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
 945 }
 946
 947  /**
 948  * vcn_v1_0_enc_ring_set_wptr - set enc write pointer
 949  *
 950  * @ring: amdgpu_ring pointer
 951  *
 952  * Commits the enc write pointer to the hardware
 953  */
 954 static void vcn_v1_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
 955 {
 956         struct amdgpu_device *adev = ring->adev;
 957
 958         if (ring == &adev->vcn.ring_enc[0])
 959                 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR,
 960                         lower_32_bits(ring->wptr));
 961         else
 962                 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2,
 963                         lower_32_bits(ring->wptr));
 964 }
 965
 966 /**
 967  * vcn_v1_0_enc_ring_emit_fence - emit an enc fence & trap command
 968  *
 969  * @ring: amdgpu_ring pointer
 970  * @fence: fence to emit
 971  *
 972  * Write enc a fence and a trap command to the ring.
 973  */
 974 static void vcn_v1_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
 975                         u64 seq, unsigned flags)
 976 {
 977         WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
 978
 979         amdgpu_ring_write(ring, VCN_ENC_CMD_FENCE);
 980         amdgpu_ring_write(ring, addr);
 981         amdgpu_ring_write(ring, upper_32_bits(addr));
 982         amdgpu_ring_write(ring, seq);
 983         amdgpu_ring_write(ring, VCN_ENC_CMD_TRAP);
 984 }
 985
 986 static void vcn_v1_0_enc_ring_insert_end(struct amdgpu_ring *ring)
 987 {
 988         amdgpu_ring_write(ring, VCN_ENC_CMD_END);
 989 }
 990
 991 /**
 992  * vcn_v1_0_enc_ring_emit_ib - enc execute indirect buffer
 993  *
 994  * @ring: amdgpu_ring pointer
 995  * @ib: indirect buffer to execute
 996  *
 997  * Write enc ring commands to execute the indirect buffer
 998  */
 999 static void vcn_v1_0_enc_ring_emit_ib(struct amdgpu_ring *ring,
1000                 struct amdgpu_ib *ib, unsigned int vm_id, bool ctx_switch)
1001 {
1002         amdgpu_ring_write(ring, VCN_ENC_CMD_IB);
1003         amdgpu_ring_write(ring, vm_id);
1004         amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1005         amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1006         amdgpu_ring_write(ring, ib->length_dw);
1007 }
1008
1009 static void vcn_v1_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
1010                          unsigned int vm_id, uint64_t pd_addr)
1011 {
1012         struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1013         uint32_t req = ring->adev->gart.gart_funcs->get_invalidate_req(vm_id);
1014         unsigned eng = ring->vm_inv_eng;
1015
1016         pd_addr = amdgpu_gart_get_vm_pde(ring->adev, pd_addr);
1017         pd_addr |= AMDGPU_PTE_VALID;
1018
1019         amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
1020         amdgpu_ring_write(ring,
1021                           (hub->ctx0_ptb_addr_hi32 + vm_id * 2) << 2);
1022         amdgpu_ring_write(ring, upper_32_bits(pd_addr));
1023
1024         amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
1025         amdgpu_ring_write(ring,
1026                           (hub->ctx0_ptb_addr_lo32 + vm_id * 2) << 2);
1027         amdgpu_ring_write(ring, lower_32_bits(pd_addr));
1028
1029         amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT);
1030         amdgpu_ring_write(ring,
1031                           (hub->ctx0_ptb_addr_lo32 + vm_id * 2) << 2);
1032         amdgpu_ring_write(ring, 0xffffffff);
1033         amdgpu_ring_write(ring, lower_32_bits(pd_addr));
1034
1035         /* flush TLB */
1036         amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
1037         amdgpu_ring_write(ring, (hub->vm_inv_eng0_req + eng) << 2);
1038         amdgpu_ring_write(ring, req);
1039
1040         /* wait for flush */
1041         amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT);
1042         amdgpu_ring_write(ring, (hub->vm_inv_eng0_ack + eng) << 2);
1043         amdgpu_ring_write(ring, 1 << vm_id);
1044         amdgpu_ring_write(ring, 1 << vm_id);
1045 }
1046
1047 static int vcn_v1_0_set_interrupt_state(struct amdgpu_device *adev,
1048                                         struct amdgpu_irq_src *source,
1049                                         unsigned type,
1050                                         enum amdgpu_interrupt_state state)
1051 {
1052         return 0;
1053 }
1054
1055 static int vcn_v1_0_process_interrupt(struct amdgpu_device *adev,
1056                                       struct amdgpu_irq_src *source,
1057                                       struct amdgpu_iv_entry *entry)
1058 {
1059         DRM_DEBUG("IH: VCN TRAP\n");
1060
1061         switch (entry->src_id) {
1062         case 124:
1063                 amdgpu_fence_process(&adev->vcn.ring_dec);
1064                 break;
1065         case 119:
1066                 amdgpu_fence_process(&adev->vcn.ring_enc[0]);
1067                 break;
1068         case 120:
1069                 amdgpu_fence_process(&adev->vcn.ring_enc[1]);
1070                 break;
1071         default:
1072                 DRM_ERROR("Unhandled interrupt: %d %d\n",
1073                           entry->src_id, entry->src_data[0]);
1074                 break;
1075         }
1076
1077         return 0;
1078 }
1079
1080 static const struct amd_ip_funcs vcn_v1_0_ip_funcs = {
1081         .name = "vcn_v1_0",
1082         .early_init = vcn_v1_0_early_init,
1083         .late_init = NULL,
1084         .sw_init = vcn_v1_0_sw_init,
1085         .sw_fini = vcn_v1_0_sw_fini,
1086         .hw_init = vcn_v1_0_hw_init,
1087         .hw_fini = vcn_v1_0_hw_fini,
1088         .suspend = vcn_v1_0_suspend,
1089         .resume = vcn_v1_0_resume,
1090         .is_idle = NULL /* vcn_v1_0_is_idle */,
1091         .wait_for_idle = NULL /* vcn_v1_0_wait_for_idle */,
1092         .check_soft_reset = NULL /* vcn_v1_0_check_soft_reset */,
1093         .pre_soft_reset = NULL /* vcn_v1_0_pre_soft_reset */,
1094         .soft_reset = NULL /* vcn_v1_0_soft_reset */,
1095         .post_soft_reset = NULL /* vcn_v1_0_post_soft_reset */,
1096         .set_clockgating_state = vcn_v1_0_set_clockgating_state,
1097         .set_powergating_state = NULL /* vcn_v1_0_set_powergating_state */,
1098 };
1099
1100 static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = {
1101         .type = AMDGPU_RING_TYPE_VCN_DEC,
1102         .align_mask = 0xf,
1103         .nop = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0),
1104         .support_64bit_ptrs = false,
1105         .vmhub = AMDGPU_MMHUB,
1106         .get_rptr = vcn_v1_0_dec_ring_get_rptr,
1107         .get_wptr = vcn_v1_0_dec_ring_get_wptr,
1108         .set_wptr = vcn_v1_0_dec_ring_set_wptr,
1109         .emit_frame_size =
1110                 2 + /* vcn_v1_0_dec_ring_emit_hdp_invalidate */
1111                 34 + /* vcn_v1_0_dec_ring_emit_vm_flush */
1112                 14 + 14 + /* vcn_v1_0_dec_ring_emit_fence x2 vm fence */
1113                 6,
1114         .emit_ib_size = 8, /* vcn_v1_0_dec_ring_emit_ib */
1115         .emit_ib = vcn_v1_0_dec_ring_emit_ib,
1116         .emit_fence = vcn_v1_0_dec_ring_emit_fence,
1117         .emit_vm_flush = vcn_v1_0_dec_ring_emit_vm_flush,
1118         .emit_hdp_invalidate = vcn_v1_0_dec_ring_emit_hdp_invalidate,
1119         .test_ring = amdgpu_vcn_dec_ring_test_ring,
1120         .test_ib = amdgpu_vcn_dec_ring_test_ib,
1121         .insert_nop = amdgpu_ring_insert_nop,
1122         .insert_start = vcn_v1_0_dec_ring_insert_start,
1123         .insert_end = vcn_v1_0_dec_ring_insert_end,
1124         .pad_ib = amdgpu_ring_generic_pad_ib,
1125         .begin_use = amdgpu_vcn_ring_begin_use,
1126         .end_use = amdgpu_vcn_ring_end_use,
1127 };
1128
1129 static const struct amdgpu_ring_funcs vcn_v1_0_enc_ring_vm_funcs = {
1130         .type = AMDGPU_RING_TYPE_VCN_ENC,
1131         .align_mask = 0x3f,
1132         .nop = VCN_ENC_CMD_NO_OP,
1133         .support_64bit_ptrs = false,
1134         .vmhub = AMDGPU_MMHUB,
1135         .get_rptr = vcn_v1_0_enc_ring_get_rptr,
1136         .get_wptr = vcn_v1_0_enc_ring_get_wptr,
1137         .set_wptr = vcn_v1_0_enc_ring_set_wptr,
1138         .emit_frame_size =
1139                 17 + /* vcn_v1_0_enc_ring_emit_vm_flush */
1140                 5 + 5 + /* vcn_v1_0_enc_ring_emit_fence x2 vm fence */
1141                 1, /* vcn_v1_0_enc_ring_insert_end */
1142         .emit_ib_size = 5, /* vcn_v1_0_enc_ring_emit_ib */
1143         .emit_ib = vcn_v1_0_enc_ring_emit_ib,
1144         .emit_fence = vcn_v1_0_enc_ring_emit_fence,
1145         .emit_vm_flush = vcn_v1_0_enc_ring_emit_vm_flush,
1146         .test_ring = amdgpu_vcn_enc_ring_test_ring,
1147         .test_ib = amdgpu_vcn_enc_ring_test_ib,
1148         .insert_nop = amdgpu_ring_insert_nop,
1149         .insert_end = vcn_v1_0_enc_ring_insert_end,
1150         .pad_ib = amdgpu_ring_generic_pad_ib,
1151         .begin_use = amdgpu_vcn_ring_begin_use,
1152         .end_use = amdgpu_vcn_ring_end_use,
1153 };
1154
1155 static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev)
1156 {
1157         adev->vcn.ring_dec.funcs = &vcn_v1_0_dec_ring_vm_funcs;
1158         DRM_INFO("VCN decode is enabled in VM mode\n");
1159 }
1160
1161 static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev)
1162 {
1163         int i;
1164
1165         for (i = 0; i < adev->vcn.num_enc_rings; ++i)
1166                 adev->vcn.ring_enc[i].funcs = &vcn_v1_0_enc_ring_vm_funcs;
1167
1168         DRM_INFO("VCN encode is enabled in VM mode\n");
1169 }
1170
1171 static const struct amdgpu_irq_src_funcs vcn_v1_0_irq_funcs = {
1172         .set = vcn_v1_0_set_interrupt_state,
1173         .process = vcn_v1_0_process_interrupt,
1174 };
1175
1176 static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev)
1177 {
1178         adev->vcn.irq.num_types = adev->vcn.num_enc_rings + 1;
1179         adev->vcn.irq.funcs = &vcn_v1_0_irq_funcs;
1180 }
1181
1182 const struct amdgpu_ip_block_version vcn_v1_0_ip_block =
1183 {
1184                 .type = AMD_IP_BLOCK_TYPE_VCN,
1185                 .major = 1,
1186                 .minor = 0,
1187                 .rev = 0,
1188                 .funcs = &vcn_v1_0_ip_funcs,
1189 };