drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c

   1 /*
   2  * Copyright 2021 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 "amdgpu.h"
  25 #include "amdgpu_jpeg.h"
  26 #include "amdgpu_pm.h"
  27 #include "soc15.h"
  28 #include "soc15d.h"
  29 #include "jpeg_v2_0.h"
  30 #include "jpeg_v4_0.h"
  31 #include "mmsch_v4_0.h"
  32
  33 #include "vcn/vcn_4_0_0_offset.h"
  34 #include "vcn/vcn_4_0_0_sh_mask.h"
  35 #include "ivsrcid/vcn/irqsrcs_vcn_4_0.h"
  36
  37 #define regUVD_JPEG_PITCH_INTERNAL_OFFSET                  0x401f
  38
  39 static int jpeg_v4_0_start_sriov(struct amdgpu_device *adev);
  40 static void jpeg_v4_0_set_dec_ring_funcs(struct amdgpu_device *adev);
  41 static void jpeg_v4_0_set_irq_funcs(struct amdgpu_device *adev);
  42 static int jpeg_v4_0_set_powergating_state(void *handle,
  43                                 enum amd_powergating_state state);
  44 static void jpeg_v4_0_set_ras_funcs(struct amdgpu_device *adev);
  45
  46 static void jpeg_v4_0_dec_ring_set_wptr(struct amdgpu_ring *ring);
  47
  48 /**
  49  * jpeg_v4_0_early_init - set function pointers
  50  *
  51  * @handle: amdgpu_device pointer
  52  *
  53  * Set ring and irq function pointers
  54  */
  55 static int jpeg_v4_0_early_init(void *handle)
  56 {
  57         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  58
  59
  60         adev->jpeg.num_jpeg_inst = 1;
  61         adev->jpeg.num_jpeg_rings = 1;
  62
  63         jpeg_v4_0_set_dec_ring_funcs(adev);
  64         jpeg_v4_0_set_irq_funcs(adev);
  65         jpeg_v4_0_set_ras_funcs(adev);
  66
  67         return 0;
  68 }
  69
  70 /**
  71  * jpeg_v4_0_sw_init - sw init for JPEG block
  72  *
  73  * @handle: amdgpu_device pointer
  74  *
  75  * Load firmware and sw initialization
  76  */
  77 static int jpeg_v4_0_sw_init(void *handle)
  78 {
  79         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  80         struct amdgpu_ring *ring;
  81         int r;
  82
  83         /* JPEG TRAP */
  84         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
  85                 VCN_4_0__SRCID__JPEG_DECODE, &adev->jpeg.inst->irq);
  86         if (r)
  87                 return r;
  88
  89         /* JPEG DJPEG POISON EVENT */
  90         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
  91                         VCN_4_0__SRCID_DJPEG0_POISON, &adev->jpeg.inst->ras_poison_irq);
  92         if (r)
  93                 return r;
  94
  95         /* JPEG EJPEG POISON EVENT */
  96         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
  97                         VCN_4_0__SRCID_EJPEG0_POISON, &adev->jpeg.inst->ras_poison_irq);
  98         if (r)
  99                 return r;
 100
 101         r = amdgpu_jpeg_sw_init(adev);
 102         if (r)
 103                 return r;
 104
 105         r = amdgpu_jpeg_resume(adev);
 106         if (r)
 107                 return r;
 108
 109         ring = adev->jpeg.inst->ring_dec;
 110         ring->use_doorbell = true;
 111         ring->doorbell_index = amdgpu_sriov_vf(adev) ? (((adev->doorbell_index.vcn.vcn_ring0_1) << 1) + 4) : ((adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1);
 112         ring->vm_hub = AMDGPU_MMHUB0(0);
 113
 114         sprintf(ring->name, "jpeg_dec");
 115         r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0,
 116                              AMDGPU_RING_PRIO_DEFAULT, NULL);
 117         if (r)
 118                 return r;
 119
 120         adev->jpeg.internal.jpeg_pitch[0] = regUVD_JPEG_PITCH_INTERNAL_OFFSET;
 121         adev->jpeg.inst->external.jpeg_pitch[0] = SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_PITCH);
 122
 123         r = amdgpu_jpeg_ras_sw_init(adev);
 124         if (r)
 125                 return r;
 126
 127         return 0;
 128 }
 129
 130 /**
 131  * jpeg_v4_0_sw_fini - sw fini for JPEG block
 132  *
 133  * @handle: amdgpu_device pointer
 134  *
 135  * JPEG suspend and free up sw allocation
 136  */
 137 static int jpeg_v4_0_sw_fini(void *handle)
 138 {
 139         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 140         int r;
 141
 142         r = amdgpu_jpeg_suspend(adev);
 143         if (r)
 144                 return r;
 145
 146         r = amdgpu_jpeg_sw_fini(adev);
 147
 148         return r;
 149 }
 150
 151 /**
 152  * jpeg_v4_0_hw_init - start and test JPEG block
 153  *
 154  * @handle: amdgpu_device pointer
 155  *
 156  */
 157 static int jpeg_v4_0_hw_init(void *handle)
 158 {
 159         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 160         struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec;
 161         int r;
 162
 163         if (amdgpu_sriov_vf(adev)) {
 164                 r = jpeg_v4_0_start_sriov(adev);
 165                 if (r)
 166                         return r;
 167                 ring->wptr = 0;
 168                 ring->wptr_old = 0;
 169                 jpeg_v4_0_dec_ring_set_wptr(ring);
 170                 ring->sched.ready = true;
 171         } else {
 172                 adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
 173                                                 (adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
 174
 175                 WREG32_SOC15(VCN, 0, regVCN_JPEG_DB_CTRL,
 176                         ring->doorbell_index << VCN_JPEG_DB_CTRL__OFFSET__SHIFT |
 177                         VCN_JPEG_DB_CTRL__EN_MASK);
 178
 179                 r = amdgpu_ring_test_helper(ring);
 180                 if (r)
 181                         return r;
 182         }
 183
 184         return 0;
 185 }
 186
 187 /**
 188  * jpeg_v4_0_hw_fini - stop the hardware block
 189  *
 190  * @handle: amdgpu_device pointer
 191  *
 192  * Stop the JPEG block, mark ring as not ready any more
 193  */
 194 static int jpeg_v4_0_hw_fini(void *handle)
 195 {
 196         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 197
 198         cancel_delayed_work_sync(&adev->vcn.idle_work);
 199         if (!amdgpu_sriov_vf(adev)) {
 200                 if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
 201                         RREG32_SOC15(JPEG, 0, regUVD_JRBC_STATUS))
 202                         jpeg_v4_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
 203         }
 204         if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__JPEG))
 205                 amdgpu_irq_put(adev, &adev->jpeg.inst->ras_poison_irq, 0);
 206
 207         return 0;
 208 }
 209
 210 /**
 211  * jpeg_v4_0_suspend - suspend JPEG block
 212  *
 213  * @handle: amdgpu_device pointer
 214  *
 215  * HW fini and suspend JPEG block
 216  */
 217 static int jpeg_v4_0_suspend(void *handle)
 218 {
 219         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 220         int r;
 221
 222         r = jpeg_v4_0_hw_fini(adev);
 223         if (r)
 224                 return r;
 225
 226         r = amdgpu_jpeg_suspend(adev);
 227
 228         return r;
 229 }
 230
 231 /**
 232  * jpeg_v4_0_resume - resume JPEG block
 233  *
 234  * @handle: amdgpu_device pointer
 235  *
 236  * Resume firmware and hw init JPEG block
 237  */
 238 static int jpeg_v4_0_resume(void *handle)
 239 {
 240         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 241         int r;
 242
 243         r = amdgpu_jpeg_resume(adev);
 244         if (r)
 245                 return r;
 246
 247         r = jpeg_v4_0_hw_init(adev);
 248
 249         return r;
 250 }
 251
 252 static void jpeg_v4_0_disable_clock_gating(struct amdgpu_device *adev)
 253 {
 254         uint32_t data = 0;
 255
 256         data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL);
 257         if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG) {
 258                 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 259                 data &= (~JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK);
 260         } else {
 261                 data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 262         }
 263
 264         data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 265         data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 266         WREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL, data);
 267
 268         data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE);
 269         data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK
 270                 | JPEG_CGC_GATE__JPEG2_DEC_MASK
 271                 | JPEG_CGC_GATE__JMCIF_MASK
 272                 | JPEG_CGC_GATE__JRBBM_MASK);
 273         WREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE, data);
 274 }
 275
 276 static void jpeg_v4_0_enable_clock_gating(struct amdgpu_device *adev)
 277 {
 278         uint32_t data = 0;
 279
 280         data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL);
 281         if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG) {
 282                 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 283                 data |= JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK;
 284         } else {
 285                 data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 286         }
 287
 288         data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 289         data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 290         WREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL, data);
 291
 292         data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE);
 293         data |= (JPEG_CGC_GATE__JPEG_DEC_MASK
 294                 |JPEG_CGC_GATE__JPEG2_DEC_MASK
 295                 |JPEG_CGC_GATE__JMCIF_MASK
 296                 |JPEG_CGC_GATE__JRBBM_MASK);
 297         WREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE, data);
 298 }
 299
 300 static int jpeg_v4_0_disable_static_power_gating(struct amdgpu_device *adev)
 301 {
 302         if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
 303                 uint32_t data = 0;
 304                 int r = 0;
 305
 306                 data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
 307                 WREG32(SOC15_REG_OFFSET(JPEG, 0, regUVD_PGFSM_CONFIG), data);
 308
 309                 r = SOC15_WAIT_ON_RREG(JPEG, 0,
 310                         regUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON,
 311                         UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
 312
 313                 if (r) {
 314                         DRM_DEV_ERROR(adev->dev, "amdgpu: JPEG disable power gating failed\n");
 315                         return r;
 316                 }
 317         }
 318
 319         /* disable anti hang mechanism */
 320         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS), 0,
 321                 ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
 322
 323         /* keep the JPEG in static PG mode */
 324         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS), 0,
 325                 ~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK);
 326
 327         return 0;
 328 }
 329
 330 static int jpeg_v4_0_enable_static_power_gating(struct amdgpu_device *adev)
 331 {
 332         /* enable anti hang mechanism */
 333         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS),
 334                 UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK,
 335                 ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
 336
 337         if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
 338                 uint32_t data = 0;
 339                 int r = 0;
 340
 341                 data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
 342                 WREG32(SOC15_REG_OFFSET(JPEG, 0, regUVD_PGFSM_CONFIG), data);
 343
 344                 r = SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_PGFSM_STATUS,
 345                         (2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT),
 346                         UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
 347
 348                 if (r) {
 349                         DRM_DEV_ERROR(adev->dev, "amdgpu: JPEG enable power gating failed\n");
 350                         return r;
 351                 }
 352         }
 353
 354         return 0;
 355 }
 356
 357 /**
 358  * jpeg_v4_0_start - start JPEG block
 359  *
 360  * @adev: amdgpu_device pointer
 361  *
 362  * Setup and start the JPEG block
 363  */
 364 static int jpeg_v4_0_start(struct amdgpu_device *adev)
 365 {
 366         struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec;
 367         int r;
 368
 369         if (adev->pm.dpm_enabled)
 370                 amdgpu_dpm_enable_jpeg(adev, true);
 371
 372         /* disable power gating */
 373         r = jpeg_v4_0_disable_static_power_gating(adev);
 374         if (r)
 375                 return r;
 376
 377         /* JPEG disable CGC */
 378         jpeg_v4_0_disable_clock_gating(adev);
 379
 380         /* MJPEG global tiling registers */
 381         WREG32_SOC15(JPEG, 0, regJPEG_DEC_GFX10_ADDR_CONFIG,
 382                 adev->gfx.config.gb_addr_config);
 383
 384
 385         /* enable JMI channel */
 386         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL), 0,
 387                 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
 388
 389         /* enable System Interrupt for JRBC */
 390         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regJPEG_SYS_INT_EN),
 391                 JPEG_SYS_INT_EN__DJRBC_MASK,
 392                 ~JPEG_SYS_INT_EN__DJRBC_MASK);
 393
 394         WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_VMID, 0);
 395         WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
 396         WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
 397                 lower_32_bits(ring->gpu_addr));
 398         WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
 399                 upper_32_bits(ring->gpu_addr));
 400         WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_RPTR, 0);
 401         WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR, 0);
 402         WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_CNTL, 0x00000002L);
 403         WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_SIZE, ring->ring_size / 4);
 404         ring->wptr = RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR);
 405
 406         return 0;
 407 }
 408
 409 static int jpeg_v4_0_start_sriov(struct amdgpu_device *adev)
 410 {
 411         struct amdgpu_ring *ring;
 412         uint64_t ctx_addr;
 413         uint32_t param, resp, expected;
 414         uint32_t tmp, timeout;
 415
 416         struct amdgpu_mm_table *table = &adev->virt.mm_table;
 417         uint32_t *table_loc;
 418         uint32_t table_size;
 419         uint32_t size, size_dw;
 420         uint32_t init_status;
 421
 422         struct mmsch_v4_0_cmd_direct_write
 423                 direct_wt = { {0} };
 424         struct mmsch_v4_0_cmd_end end = { {0} };
 425         struct mmsch_v4_0_init_header header;
 426
 427         direct_wt.cmd_header.command_type =
 428                 MMSCH_COMMAND__DIRECT_REG_WRITE;
 429         end.cmd_header.command_type =
 430                 MMSCH_COMMAND__END;
 431
 432         size = sizeof(struct mmsch_v4_0_init_header);
 433         table_loc = (uint32_t *)table->cpu_addr;
 434         memcpy(&header, (void *)table_loc, size);
 435
 436         header.version = MMSCH_VERSION;
 437         header.total_size = RREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_SIZE);
 438
 439         header.jpegdec.init_status = 0;
 440         header.jpegdec.table_offset = 0;
 441         header.jpegdec.table_size = 0;
 442
 443         table_loc = (uint32_t *)table->cpu_addr;
 444         table_loc += header.total_size;
 445
 446         table_size = 0;
 447
 448         ring = adev->jpeg.inst->ring_dec;
 449
 450         MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(JPEG, 0,
 451                 regUVD_LMI_JRBC_RB_64BIT_BAR_LOW),
 452                 lower_32_bits(ring->gpu_addr));
 453         MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(JPEG, 0,
 454                 regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH),
 455                 upper_32_bits(ring->gpu_addr));
 456         MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(JPEG, 0,
 457                 regUVD_JRBC_RB_SIZE), ring->ring_size / 4);
 458
 459         /* add end packet */
 460         MMSCH_V4_0_INSERT_END();
 461
 462         /* refine header */
 463         header.jpegdec.init_status = 0;
 464         header.jpegdec.table_offset = header.total_size;
 465         header.jpegdec.table_size = table_size;
 466         header.total_size += table_size;
 467
 468         /* Update init table header in memory */
 469         size = sizeof(struct mmsch_v4_0_init_header);
 470         table_loc = (uint32_t *)table->cpu_addr;
 471         memcpy((void *)table_loc, &header, size);
 472
 473         /* Perform HDP flush before writing to MMSCH registers */
 474         amdgpu_device_flush_hdp(adev, NULL);
 475
 476         /* message MMSCH (in VCN[0]) to initialize this client
 477          * 1, write to mmsch_vf_ctx_addr_lo/hi register with GPU mc addr
 478          * of memory descriptor location
 479          */
 480         ctx_addr = table->gpu_addr;
 481         WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_ADDR_LO, lower_32_bits(ctx_addr));
 482         WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_ADDR_HI, upper_32_bits(ctx_addr));
 483
 484         /* 2, update vmid of descriptor */
 485         tmp = RREG32_SOC15(VCN, 0, regMMSCH_VF_VMID);
 486         tmp &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
 487         /* use domain0 for MM scheduler */
 488         tmp |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
 489         WREG32_SOC15(VCN, 0, regMMSCH_VF_VMID, tmp);
 490
 491         /* 3, notify mmsch about the size of this descriptor */
 492         size = header.total_size;
 493         WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_SIZE, size);
 494
 495         /* 4, set resp to zero */
 496         WREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_RESP, 0);
 497
 498         /* 5, kick off the initialization and wait until
 499          * MMSCH_VF_MAILBOX_RESP becomes non-zero
 500          */
 501         param = 0x00000001;
 502         WREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_HOST, param);
 503         tmp = 0;
 504         timeout = 1000;
 505         resp = 0;
 506         expected = MMSCH_VF_MAILBOX_RESP__OK;
 507         init_status = ((struct mmsch_v4_0_init_header *)(table_loc))->jpegdec.init_status;
 508         while (resp != expected) {
 509                 resp = RREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_RESP);
 510
 511                 if (resp != 0)
 512                         break;
 513                 udelay(10);
 514                 tmp = tmp + 10;
 515                 if (tmp >= timeout) {
 516                         DRM_ERROR("failed to init MMSCH. TIME-OUT after %d usec"\
 517                                 " waiting for regMMSCH_VF_MAILBOX_RESP "\
 518                                 "(expected=0x%08x, readback=0x%08x)\n",
 519                                 tmp, expected, resp);
 520                         return -EBUSY;
 521                 }
 522         }
 523         if (resp != expected && resp != MMSCH_VF_MAILBOX_RESP__INCOMPLETE
 524                         && init_status != MMSCH_VF_ENGINE_STATUS__PASS) {
 525                 DRM_ERROR("MMSCH init status is incorrect! readback=0x%08x, header init status for jpeg: %x\n", resp, init_status);
 526                 return -EINVAL;
 527         }
 528
 529         return 0;
 530
 531 }
 532
 533 /**
 534  * jpeg_v4_0_stop - stop JPEG block
 535  *
 536  * @adev: amdgpu_device pointer
 537  *
 538  * stop the JPEG block
 539  */
 540 static int jpeg_v4_0_stop(struct amdgpu_device *adev)
 541 {
 542         int r;
 543
 544         /* reset JMI */
 545         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL),
 546                 UVD_JMI_CNTL__SOFT_RESET_MASK,
 547                 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
 548
 549         jpeg_v4_0_enable_clock_gating(adev);
 550
 551         /* enable power gating */
 552         r = jpeg_v4_0_enable_static_power_gating(adev);
 553         if (r)
 554                 return r;
 555
 556         if (adev->pm.dpm_enabled)
 557                 amdgpu_dpm_enable_jpeg(adev, false);
 558
 559         return 0;
 560 }
 561
 562 /**
 563  * jpeg_v4_0_dec_ring_get_rptr - get read pointer
 564  *
 565  * @ring: amdgpu_ring pointer
 566  *
 567  * Returns the current hardware read pointer
 568  */
 569 static uint64_t jpeg_v4_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
 570 {
 571         struct amdgpu_device *adev = ring->adev;
 572
 573         return RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_RPTR);
 574 }
 575
 576 /**
 577  * jpeg_v4_0_dec_ring_get_wptr - get write pointer
 578  *
 579  * @ring: amdgpu_ring pointer
 580  *
 581  * Returns the current hardware write pointer
 582  */
 583 static uint64_t jpeg_v4_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
 584 {
 585         struct amdgpu_device *adev = ring->adev;
 586
 587         if (ring->use_doorbell)
 588                 return *ring->wptr_cpu_addr;
 589         else
 590                 return RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR);
 591 }
 592
 593 /**
 594  * jpeg_v4_0_dec_ring_set_wptr - set write pointer
 595  *
 596  * @ring: amdgpu_ring pointer
 597  *
 598  * Commits the write pointer to the hardware
 599  */
 600 static void jpeg_v4_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
 601 {
 602         struct amdgpu_device *adev = ring->adev;
 603
 604         if (ring->use_doorbell) {
 605                 *ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
 606                 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
 607         } else {
 608                 WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
 609         }
 610 }
 611
 612 static bool jpeg_v4_0_is_idle(void *handle)
 613 {
 614         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 615         int ret = 1;
 616
 617         ret &= (((RREG32_SOC15(JPEG, 0, regUVD_JRBC_STATUS) &
 618                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
 619                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK));
 620
 621         return ret;
 622 }
 623
 624 static int jpeg_v4_0_wait_for_idle(void *handle)
 625 {
 626         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 627
 628         return SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_JRBC_STATUS,
 629                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
 630                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
 631 }
 632
 633 static int jpeg_v4_0_set_clockgating_state(void *handle,
 634                                           enum amd_clockgating_state state)
 635 {
 636         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 637         bool enable = state == AMD_CG_STATE_GATE;
 638
 639         if (enable) {
 640                 if (!jpeg_v4_0_is_idle(handle))
 641                         return -EBUSY;
 642                 jpeg_v4_0_enable_clock_gating(adev);
 643         } else {
 644                 jpeg_v4_0_disable_clock_gating(adev);
 645         }
 646
 647         return 0;
 648 }
 649
 650 static int jpeg_v4_0_set_powergating_state(void *handle,
 651                                           enum amd_powergating_state state)
 652 {
 653         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 654         int ret;
 655
 656         if (amdgpu_sriov_vf(adev)) {
 657                 adev->jpeg.cur_state = AMD_PG_STATE_UNGATE;
 658                 return 0;
 659         }
 660
 661         if (state == adev->jpeg.cur_state)
 662                 return 0;
 663
 664         if (state == AMD_PG_STATE_GATE)
 665                 ret = jpeg_v4_0_stop(adev);
 666         else
 667                 ret = jpeg_v4_0_start(adev);
 668
 669         if (!ret)
 670                 adev->jpeg.cur_state = state;
 671
 672         return ret;
 673 }
 674
 675 static int jpeg_v4_0_set_ras_interrupt_state(struct amdgpu_device *adev,
 676                                         struct amdgpu_irq_src *source,
 677                                         unsigned int type,
 678                                         enum amdgpu_interrupt_state state)
 679 {
 680         return 0;
 681 }
 682
 683 static int jpeg_v4_0_process_interrupt(struct amdgpu_device *adev,
 684                                       struct amdgpu_irq_src *source,
 685                                       struct amdgpu_iv_entry *entry)
 686 {
 687         DRM_DEBUG("IH: JPEG TRAP\n");
 688
 689         switch (entry->src_id) {
 690         case VCN_4_0__SRCID__JPEG_DECODE:
 691                 amdgpu_fence_process(adev->jpeg.inst->ring_dec);
 692                 break;
 693         default:
 694                 DRM_DEV_ERROR(adev->dev, "Unhandled interrupt: %d %d\n",
 695                           entry->src_id, entry->src_data[0]);
 696                 break;
 697         }
 698
 699         return 0;
 700 }
 701
 702 static const struct amd_ip_funcs jpeg_v4_0_ip_funcs = {
 703         .name = "jpeg_v4_0",
 704         .early_init = jpeg_v4_0_early_init,
 705         .late_init = NULL,
 706         .sw_init = jpeg_v4_0_sw_init,
 707         .sw_fini = jpeg_v4_0_sw_fini,
 708         .hw_init = jpeg_v4_0_hw_init,
 709         .hw_fini = jpeg_v4_0_hw_fini,
 710         .suspend = jpeg_v4_0_suspend,
 711         .resume = jpeg_v4_0_resume,
 712         .is_idle = jpeg_v4_0_is_idle,
 713         .wait_for_idle = jpeg_v4_0_wait_for_idle,
 714         .check_soft_reset = NULL,
 715         .pre_soft_reset = NULL,
 716         .soft_reset = NULL,
 717         .post_soft_reset = NULL,
 718         .set_clockgating_state = jpeg_v4_0_set_clockgating_state,
 719         .set_powergating_state = jpeg_v4_0_set_powergating_state,
 720         .dump_ip_state = NULL,
 721         .print_ip_state = NULL,
 722 };
 723
 724 static const struct amdgpu_ring_funcs jpeg_v4_0_dec_ring_vm_funcs = {
 725         .type = AMDGPU_RING_TYPE_VCN_JPEG,
 726         .align_mask = 0xf,
 727         .get_rptr = jpeg_v4_0_dec_ring_get_rptr,
 728         .get_wptr = jpeg_v4_0_dec_ring_get_wptr,
 729         .set_wptr = jpeg_v4_0_dec_ring_set_wptr,
 730         .emit_frame_size =
 731                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
 732                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
 733                 8 + /* jpeg_v4_0_dec_ring_emit_vm_flush */
 734                 18 + 18 + /* jpeg_v4_0_dec_ring_emit_fence x2 vm fence */
 735                 8 + 16,
 736         .emit_ib_size = 22, /* jpeg_v4_0_dec_ring_emit_ib */
 737         .emit_ib = jpeg_v2_0_dec_ring_emit_ib,
 738         .emit_fence = jpeg_v2_0_dec_ring_emit_fence,
 739         .emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush,
 740         .test_ring = amdgpu_jpeg_dec_ring_test_ring,
 741         .test_ib = amdgpu_jpeg_dec_ring_test_ib,
 742         .insert_nop = jpeg_v2_0_dec_ring_nop,
 743         .insert_start = jpeg_v2_0_dec_ring_insert_start,
 744         .insert_end = jpeg_v2_0_dec_ring_insert_end,
 745         .pad_ib = amdgpu_ring_generic_pad_ib,
 746         .begin_use = amdgpu_jpeg_ring_begin_use,
 747         .end_use = amdgpu_jpeg_ring_end_use,
 748         .emit_wreg = jpeg_v2_0_dec_ring_emit_wreg,
 749         .emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait,
 750         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
 751 };
 752
 753 static void jpeg_v4_0_set_dec_ring_funcs(struct amdgpu_device *adev)
 754 {
 755         adev->jpeg.inst->ring_dec->funcs = &jpeg_v4_0_dec_ring_vm_funcs;
 756 }
 757
 758 static const struct amdgpu_irq_src_funcs jpeg_v4_0_irq_funcs = {
 759         .process = jpeg_v4_0_process_interrupt,
 760 };
 761
 762 static const struct amdgpu_irq_src_funcs jpeg_v4_0_ras_irq_funcs = {
 763         .set = jpeg_v4_0_set_ras_interrupt_state,
 764         .process = amdgpu_jpeg_process_poison_irq,
 765 };
 766
 767 static void jpeg_v4_0_set_irq_funcs(struct amdgpu_device *adev)
 768 {
 769         adev->jpeg.inst->irq.num_types = 1;
 770         adev->jpeg.inst->irq.funcs = &jpeg_v4_0_irq_funcs;
 771
 772         adev->jpeg.inst->ras_poison_irq.num_types = 1;
 773         adev->jpeg.inst->ras_poison_irq.funcs = &jpeg_v4_0_ras_irq_funcs;
 774 }
 775
 776 const struct amdgpu_ip_block_version jpeg_v4_0_ip_block = {
 777         .type = AMD_IP_BLOCK_TYPE_JPEG,
 778         .major = 4,
 779         .minor = 0,
 780         .rev = 0,
 781         .funcs = &jpeg_v4_0_ip_funcs,
 782 };
 783
 784 static uint32_t jpeg_v4_0_query_poison_by_instance(struct amdgpu_device *adev,
 785                 uint32_t instance, uint32_t sub_block)
 786 {
 787         uint32_t poison_stat = 0, reg_value = 0;
 788
 789         switch (sub_block) {
 790         case AMDGPU_JPEG_V4_0_JPEG0:
 791                 reg_value = RREG32_SOC15(JPEG, instance, regUVD_RAS_JPEG0_STATUS);
 792                 poison_stat = REG_GET_FIELD(reg_value, UVD_RAS_JPEG0_STATUS, POISONED_PF);
 793                 break;
 794         case AMDGPU_JPEG_V4_0_JPEG1:
 795                 reg_value = RREG32_SOC15(JPEG, instance, regUVD_RAS_JPEG1_STATUS);
 796                 poison_stat = REG_GET_FIELD(reg_value, UVD_RAS_JPEG1_STATUS, POISONED_PF);
 797                 break;
 798         default:
 799                 break;
 800         }
 801
 802         if (poison_stat)
 803                 dev_info(adev->dev, "Poison detected in JPEG%d sub_block%d\n",
 804                         instance, sub_block);
 805
 806         return poison_stat;
 807 }
 808
 809 static bool jpeg_v4_0_query_ras_poison_status(struct amdgpu_device *adev)
 810 {
 811         uint32_t inst = 0, sub = 0, poison_stat = 0;
 812
 813         for (inst = 0; inst < adev->jpeg.num_jpeg_inst; inst++)
 814                 for (sub = 0; sub < AMDGPU_JPEG_V4_0_MAX_SUB_BLOCK; sub++)
 815                         poison_stat +=
 816                                 jpeg_v4_0_query_poison_by_instance(adev, inst, sub);
 817
 818         return !!poison_stat;
 819 }
 820
 821 const struct amdgpu_ras_block_hw_ops jpeg_v4_0_ras_hw_ops = {
 822         .query_poison_status = jpeg_v4_0_query_ras_poison_status,
 823 };
 824
 825 static struct amdgpu_jpeg_ras jpeg_v4_0_ras = {
 826         .ras_block = {
 827                 .hw_ops = &jpeg_v4_0_ras_hw_ops,
 828                 .ras_late_init = amdgpu_jpeg_ras_late_init,
 829         },
 830 };
 831
 832 static void jpeg_v4_0_set_ras_funcs(struct amdgpu_device *adev)
 833 {
 834         switch (amdgpu_ip_version(adev, JPEG_HWIP, 0)) {
 835         case IP_VERSION(4, 0, 0):
 836                 adev->jpeg.ras = &jpeg_v4_0_ras;
 837                 break;
 838         default:
 839                 break;
 840         }
 841 }