drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c

   1 /*
   2  * Copyright 2019 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  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
  31 #include "vcn/vcn_2_0_0_offset.h"
  32 #include "vcn/vcn_2_0_0_sh_mask.h"
  33 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
  34
  35 static void jpeg_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev);
  36 static void jpeg_v2_0_set_irq_funcs(struct amdgpu_device *adev);
  37 static int jpeg_v2_0_set_powergating_state(void *handle,
  38                                 enum amd_powergating_state state);
  39
  40 /**
  41  * jpeg_v2_0_early_init - set function pointers
  42  *
  43  * @handle: amdgpu_device pointer
  44  *
  45  * Set ring and irq function pointers
  46  */
  47 static int jpeg_v2_0_early_init(void *handle)
  48 {
  49         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  50
  51         adev->jpeg.num_jpeg_inst = 1;
  52
  53         jpeg_v2_0_set_dec_ring_funcs(adev);
  54         jpeg_v2_0_set_irq_funcs(adev);
  55
  56         return 0;
  57 }
  58
  59 /**
  60  * jpeg_v2_0_sw_init - sw init for JPEG block
  61  *
  62  * @handle: amdgpu_device pointer
  63  *
  64  * Load firmware and sw initialization
  65  */
  66 static int jpeg_v2_0_sw_init(void *handle)
  67 {
  68         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  69         struct amdgpu_ring *ring;
  70         int r;
  71
  72         /* JPEG TRAP */
  73         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
  74                 VCN_2_0__SRCID__JPEG_DECODE, &adev->jpeg.inst->irq);
  75         if (r)
  76                 return r;
  77
  78         r = amdgpu_jpeg_sw_init(adev);
  79         if (r)
  80                 return r;
  81
  82         r = amdgpu_jpeg_resume(adev);
  83         if (r)
  84                 return r;
  85
  86         ring = &adev->jpeg.inst->ring_dec;
  87         ring->use_doorbell = true;
  88         ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
  89         sprintf(ring->name, "jpeg_dec");
  90         r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq,
  91                              0, AMDGPU_RING_PRIO_DEFAULT, NULL);
  92         if (r)
  93                 return r;
  94
  95         adev->jpeg.internal.jpeg_pitch = mmUVD_JPEG_PITCH_INTERNAL_OFFSET;
  96         adev->jpeg.inst->external.jpeg_pitch = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_PITCH);
  97
  98         return 0;
  99 }
 100
 101 /**
 102  * jpeg_v2_0_sw_fini - sw fini for JPEG block
 103  *
 104  * @handle: amdgpu_device pointer
 105  *
 106  * JPEG suspend and free up sw allocation
 107  */
 108 static int jpeg_v2_0_sw_fini(void *handle)
 109 {
 110         int r;
 111         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 112
 113         r = amdgpu_jpeg_suspend(adev);
 114         if (r)
 115                 return r;
 116
 117         r = amdgpu_jpeg_sw_fini(adev);
 118
 119         return r;
 120 }
 121
 122 /**
 123  * jpeg_v2_0_hw_init - start and test JPEG block
 124  *
 125  * @handle: amdgpu_device pointer
 126  *
 127  */
 128 static int jpeg_v2_0_hw_init(void *handle)
 129 {
 130         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 131         struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
 132         int r;
 133
 134         adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
 135                 (adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
 136
 137         r = amdgpu_ring_test_helper(ring);
 138         if (!r)
 139                 DRM_INFO("JPEG decode initialized successfully.\n");
 140
 141         return r;
 142 }
 143
 144 /**
 145  * jpeg_v2_0_hw_fini - stop the hardware block
 146  *
 147  * @handle: amdgpu_device pointer
 148  *
 149  * Stop the JPEG block, mark ring as not ready any more
 150  */
 151 static int jpeg_v2_0_hw_fini(void *handle)
 152 {
 153         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 154
 155         cancel_delayed_work_sync(&adev->vcn.idle_work);
 156
 157         if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
 158               RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
 159                 jpeg_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
 160
 161         return 0;
 162 }
 163
 164 /**
 165  * jpeg_v2_0_suspend - suspend JPEG block
 166  *
 167  * @handle: amdgpu_device pointer
 168  *
 169  * HW fini and suspend JPEG block
 170  */
 171 static int jpeg_v2_0_suspend(void *handle)
 172 {
 173         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 174         int r;
 175
 176         r = jpeg_v2_0_hw_fini(adev);
 177         if (r)
 178                 return r;
 179
 180         r = amdgpu_jpeg_suspend(adev);
 181
 182         return r;
 183 }
 184
 185 /**
 186  * jpeg_v2_0_resume - resume JPEG block
 187  *
 188  * @handle: amdgpu_device pointer
 189  *
 190  * Resume firmware and hw init JPEG block
 191  */
 192 static int jpeg_v2_0_resume(void *handle)
 193 {
 194         int r;
 195         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 196
 197         r = amdgpu_jpeg_resume(adev);
 198         if (r)
 199                 return r;
 200
 201         r = jpeg_v2_0_hw_init(adev);
 202
 203         return r;
 204 }
 205
 206 static int jpeg_v2_0_disable_power_gating(struct amdgpu_device *adev)
 207 {
 208         uint32_t data;
 209         int r = 0;
 210
 211         if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
 212                 data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
 213                 WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
 214
 215                 r = SOC15_WAIT_ON_RREG(JPEG, 0,
 216                         mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON,
 217                         UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
 218
 219                 if (r) {
 220                         DRM_ERROR("amdgpu: JPEG disable power gating failed\n");
 221                         return r;
 222                 }
 223         }
 224
 225         /* Removing the anti hang mechanism to indicate the UVDJ tile is ON */
 226         data = RREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS)) & ~0x1;
 227         WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), data);
 228
 229         return 0;
 230 }
 231
 232 static int jpeg_v2_0_enable_power_gating(struct amdgpu_device *adev)
 233 {
 234         if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
 235                 uint32_t data;
 236                 int r = 0;
 237
 238                 data = RREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS));
 239                 data &= ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK;
 240                 data |=  0x1; //UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_TILES_OFF;
 241                 WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), data);
 242
 243                 data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
 244                 WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
 245
 246                 r = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS,
 247                         (2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT),
 248                         UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
 249
 250                 if (r) {
 251                         DRM_ERROR("amdgpu: JPEG enable power gating failed\n");
 252                         return r;
 253                 }
 254         }
 255
 256         return 0;
 257 }
 258
 259 static void jpeg_v2_0_disable_clock_gating(struct amdgpu_device *adev)
 260 {
 261         uint32_t data;
 262
 263         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
 264         if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
 265                 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 266         else
 267                 data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 268
 269         data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 270         data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 271         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
 272
 273         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
 274         data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK
 275                 | JPEG_CGC_GATE__JPEG2_DEC_MASK
 276                 | JPEG_CGC_GATE__JPEG_ENC_MASK
 277                 | JPEG_CGC_GATE__JMCIF_MASK
 278                 | JPEG_CGC_GATE__JRBBM_MASK);
 279         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
 280 }
 281
 282 static void jpeg_v2_0_enable_clock_gating(struct amdgpu_device *adev)
 283 {
 284         uint32_t data;
 285
 286         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
 287         if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
 288                 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 289         else
 290                 data |= 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 291
 292         data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 293         data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 294         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
 295
 296         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
 297         data |= (JPEG_CGC_GATE__JPEG_DEC_MASK
 298                 |JPEG_CGC_GATE__JPEG2_DEC_MASK
 299                 |JPEG_CGC_GATE__JPEG_ENC_MASK
 300                 |JPEG_CGC_GATE__JMCIF_MASK
 301                 |JPEG_CGC_GATE__JRBBM_MASK);
 302         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
 303 }
 304
 305 /**
 306  * jpeg_v2_0_start - start JPEG block
 307  *
 308  * @adev: amdgpu_device pointer
 309  *
 310  * Setup and start the JPEG block
 311  */
 312 static int jpeg_v2_0_start(struct amdgpu_device *adev)
 313 {
 314         struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
 315         int r;
 316
 317         if (adev->pm.dpm_enabled)
 318                 amdgpu_dpm_enable_jpeg(adev, true);
 319
 320         /* disable power gating */
 321         r = jpeg_v2_0_disable_power_gating(adev);
 322         if (r)
 323                 return r;
 324
 325         /* JPEG disable CGC */
 326         jpeg_v2_0_disable_clock_gating(adev);
 327
 328         WREG32_SOC15(JPEG, 0, mmJPEG_DEC_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
 329
 330         /* enable JMI channel */
 331         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL), 0,
 332                 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
 333
 334         /* enable System Interrupt for JRBC */
 335         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmJPEG_SYS_INT_EN),
 336                 JPEG_SYS_INT_EN__DJRBC_MASK,
 337                 ~JPEG_SYS_INT_EN__DJRBC_MASK);
 338
 339         WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
 340         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
 341         WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
 342                 lower_32_bits(ring->gpu_addr));
 343         WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
 344                 upper_32_bits(ring->gpu_addr));
 345         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR, 0);
 346         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, 0);
 347         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, 0x00000002L);
 348         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_SIZE, ring->ring_size / 4);
 349         ring->wptr = RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
 350
 351         return 0;
 352 }
 353
 354 /**
 355  * jpeg_v2_0_stop - stop JPEG block
 356  *
 357  * @adev: amdgpu_device pointer
 358  *
 359  * stop the JPEG block
 360  */
 361 static int jpeg_v2_0_stop(struct amdgpu_device *adev)
 362 {
 363         int r;
 364
 365         /* reset JMI */
 366         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL),
 367                 UVD_JMI_CNTL__SOFT_RESET_MASK,
 368                 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
 369
 370         /* enable JPEG CGC */
 371         jpeg_v2_0_enable_clock_gating(adev);
 372
 373         /* enable power gating */
 374         r = jpeg_v2_0_enable_power_gating(adev);
 375         if (r)
 376                 return r;
 377
 378         if (adev->pm.dpm_enabled)
 379                 amdgpu_dpm_enable_jpeg(adev, false);
 380
 381         return 0;
 382 }
 383
 384 /**
 385  * jpeg_v2_0_dec_ring_get_rptr - get read pointer
 386  *
 387  * @ring: amdgpu_ring pointer
 388  *
 389  * Returns the current hardware read pointer
 390  */
 391 static uint64_t jpeg_v2_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
 392 {
 393         struct amdgpu_device *adev = ring->adev;
 394
 395         return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR);
 396 }
 397
 398 /**
 399  * jpeg_v2_0_dec_ring_get_wptr - get write pointer
 400  *
 401  * @ring: amdgpu_ring pointer
 402  *
 403  * Returns the current hardware write pointer
 404  */
 405 static uint64_t jpeg_v2_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
 406 {
 407         struct amdgpu_device *adev = ring->adev;
 408
 409         if (ring->use_doorbell)
 410                 return adev->wb.wb[ring->wptr_offs];
 411         else
 412                 return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
 413 }
 414
 415 /**
 416  * jpeg_v2_0_dec_ring_set_wptr - set write pointer
 417  *
 418  * @ring: amdgpu_ring pointer
 419  *
 420  * Commits the write pointer to the hardware
 421  */
 422 static void jpeg_v2_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
 423 {
 424         struct amdgpu_device *adev = ring->adev;
 425
 426         if (ring->use_doorbell) {
 427                 adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
 428                 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
 429         } else {
 430                 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
 431         }
 432 }
 433
 434 /**
 435  * jpeg_v2_0_dec_ring_insert_start - insert a start command
 436  *
 437  * @ring: amdgpu_ring pointer
 438  *
 439  * Write a start command to the ring.
 440  */
 441 void jpeg_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring)
 442 {
 443         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
 444                 0, 0, PACKETJ_TYPE0));
 445         amdgpu_ring_write(ring, 0x68e04);
 446
 447         amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
 448                 0, 0, PACKETJ_TYPE0));
 449         amdgpu_ring_write(ring, 0x80010000);
 450 }
 451
 452 /**
 453  * jpeg_v2_0_dec_ring_insert_end - insert a end command
 454  *
 455  * @ring: amdgpu_ring pointer
 456  *
 457  * Write a end command to the ring.
 458  */
 459 void jpeg_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring)
 460 {
 461         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
 462                 0, 0, PACKETJ_TYPE0));
 463         amdgpu_ring_write(ring, 0x68e04);
 464
 465         amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
 466                 0, 0, PACKETJ_TYPE0));
 467         amdgpu_ring_write(ring, 0x00010000);
 468 }
 469
 470 /**
 471  * jpeg_v2_0_dec_ring_emit_fence - emit an fence & trap command
 472  *
 473  * @ring: amdgpu_ring pointer
 474  * @addr: address
 475  * @seq: sequence number
 476  * @flags: fence related flags
 477  *
 478  * Write a fence and a trap command to the ring.
 479  */
 480 void jpeg_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
 481                                 unsigned flags)
 482 {
 483         WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
 484
 485         amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_DATA0_INTERNAL_OFFSET,
 486                 0, 0, PACKETJ_TYPE0));
 487         amdgpu_ring_write(ring, seq);
 488
 489         amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_DATA1_INTERNAL_OFFSET,
 490                 0, 0, PACKETJ_TYPE0));
 491         amdgpu_ring_write(ring, seq);
 492
 493         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW_INTERNAL_OFFSET,
 494                 0, 0, PACKETJ_TYPE0));
 495         amdgpu_ring_write(ring, lower_32_bits(addr));
 496
 497         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH_INTERNAL_OFFSET,
 498                 0, 0, PACKETJ_TYPE0));
 499         amdgpu_ring_write(ring, upper_32_bits(addr));
 500
 501         amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET,
 502                 0, 0, PACKETJ_TYPE0));
 503         amdgpu_ring_write(ring, 0x8);
 504
 505         amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET,
 506                 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE4));
 507         amdgpu_ring_write(ring, 0);
 508
 509         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
 510                 0, 0, PACKETJ_TYPE0));
 511         amdgpu_ring_write(ring, 0x3fbc);
 512
 513         amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
 514                 0, 0, PACKETJ_TYPE0));
 515         amdgpu_ring_write(ring, 0x1);
 516
 517         amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE7));
 518         amdgpu_ring_write(ring, 0);
 519 }
 520
 521 /**
 522  * jpeg_v2_0_dec_ring_emit_ib - execute indirect buffer
 523  *
 524  * @ring: amdgpu_ring pointer
 525  * @job: job to retrieve vmid from
 526  * @ib: indirect buffer to execute
 527  * @flags: unused
 528  *
 529  * Write ring commands to execute the indirect buffer.
 530  */
 531 void jpeg_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
 532                                 struct amdgpu_job *job,
 533                                 struct amdgpu_ib *ib,
 534                                 uint32_t flags)
 535 {
 536         unsigned vmid = AMDGPU_JOB_GET_VMID(job);
 537
 538         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_VMID_INTERNAL_OFFSET,
 539                 0, 0, PACKETJ_TYPE0));
 540         amdgpu_ring_write(ring, (vmid | (vmid << 4)));
 541
 542         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JPEG_VMID_INTERNAL_OFFSET,
 543                 0, 0, PACKETJ_TYPE0));
 544         amdgpu_ring_write(ring, (vmid | (vmid << 4)));
 545
 546         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET,
 547                 0, 0, PACKETJ_TYPE0));
 548         amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
 549
 550         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET,
 551                 0, 0, PACKETJ_TYPE0));
 552         amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
 553
 554         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_IB_SIZE_INTERNAL_OFFSET,
 555                 0, 0, PACKETJ_TYPE0));
 556         amdgpu_ring_write(ring, ib->length_dw);
 557
 558         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW_INTERNAL_OFFSET,
 559                 0, 0, PACKETJ_TYPE0));
 560         amdgpu_ring_write(ring, lower_32_bits(ring->gpu_addr));
 561
 562         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH_INTERNAL_OFFSET,
 563                 0, 0, PACKETJ_TYPE0));
 564         amdgpu_ring_write(ring, upper_32_bits(ring->gpu_addr));
 565
 566         amdgpu_ring_write(ring, PACKETJ(0, 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE2));
 567         amdgpu_ring_write(ring, 0);
 568
 569         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET,
 570                 0, 0, PACKETJ_TYPE0));
 571         amdgpu_ring_write(ring, 0x01400200);
 572
 573         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET,
 574                 0, 0, PACKETJ_TYPE0));
 575         amdgpu_ring_write(ring, 0x2);
 576
 577         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_STATUS_INTERNAL_OFFSET,
 578                 0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE3));
 579         amdgpu_ring_write(ring, 0x2);
 580 }
 581
 582 void jpeg_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
 583                                 uint32_t val, uint32_t mask)
 584 {
 585         uint32_t reg_offset = (reg << 2);
 586
 587         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET,
 588                 0, 0, PACKETJ_TYPE0));
 589         amdgpu_ring_write(ring, 0x01400200);
 590
 591         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET,
 592                 0, 0, PACKETJ_TYPE0));
 593         amdgpu_ring_write(ring, val);
 594
 595         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
 596                 0, 0, PACKETJ_TYPE0));
 597         if (reg_offset >= 0x10000 && reg_offset <= 0x105ff) {
 598                 amdgpu_ring_write(ring, 0);
 599                 amdgpu_ring_write(ring,
 600                         PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3));
 601         } else {
 602                 amdgpu_ring_write(ring, reg_offset);
 603                 amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
 604                         0, 0, PACKETJ_TYPE3));
 605         }
 606         amdgpu_ring_write(ring, mask);
 607 }
 608
 609 void jpeg_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
 610                                 unsigned vmid, uint64_t pd_addr)
 611 {
 612         struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
 613         uint32_t data0, data1, mask;
 614
 615         pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
 616
 617         /* wait for register write */
 618         data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
 619         data1 = lower_32_bits(pd_addr);
 620         mask = 0xffffffff;
 621         jpeg_v2_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
 622 }
 623
 624 void jpeg_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
 625 {
 626         uint32_t reg_offset = (reg << 2);
 627
 628         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
 629                 0, 0, PACKETJ_TYPE0));
 630         if (reg_offset >= 0x10000 && reg_offset <= 0x105ff) {
 631                 amdgpu_ring_write(ring, 0);
 632                 amdgpu_ring_write(ring,
 633                         PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0));
 634         } else {
 635                 amdgpu_ring_write(ring, reg_offset);
 636                 amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
 637                         0, 0, PACKETJ_TYPE0));
 638         }
 639         amdgpu_ring_write(ring, val);
 640 }
 641
 642 void jpeg_v2_0_dec_ring_nop(struct amdgpu_ring *ring, uint32_t count)
 643 {
 644         int i;
 645
 646         WARN_ON(ring->wptr % 2 || count % 2);
 647
 648         for (i = 0; i < count / 2; i++) {
 649                 amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE6));
 650                 amdgpu_ring_write(ring, 0);
 651         }
 652 }
 653
 654 static bool jpeg_v2_0_is_idle(void *handle)
 655 {
 656         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 657
 658         return ((RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS) &
 659                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
 660                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
 661 }
 662
 663 static int jpeg_v2_0_wait_for_idle(void *handle)
 664 {
 665         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 666         int ret;
 667
 668         ret = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS, UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
 669                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
 670
 671         return ret;
 672 }
 673
 674 static int jpeg_v2_0_set_clockgating_state(void *handle,
 675                                           enum amd_clockgating_state state)
 676 {
 677         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 678         bool enable = (state == AMD_CG_STATE_GATE);
 679
 680         if (enable) {
 681                 if (!jpeg_v2_0_is_idle(handle))
 682                         return -EBUSY;
 683                 jpeg_v2_0_enable_clock_gating(adev);
 684         } else {
 685                 jpeg_v2_0_disable_clock_gating(adev);
 686         }
 687
 688         return 0;
 689 }
 690
 691 static int jpeg_v2_0_set_powergating_state(void *handle,
 692                                         enum amd_powergating_state state)
 693 {
 694         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 695         int ret;
 696
 697         if (state == adev->jpeg.cur_state)
 698                 return 0;
 699
 700         if (state == AMD_PG_STATE_GATE)
 701                 ret = jpeg_v2_0_stop(adev);
 702         else
 703                 ret = jpeg_v2_0_start(adev);
 704
 705         if (!ret)
 706                 adev->jpeg.cur_state = state;
 707
 708         return ret;
 709 }
 710
 711 static int jpeg_v2_0_set_interrupt_state(struct amdgpu_device *adev,
 712                                         struct amdgpu_irq_src *source,
 713                                         unsigned type,
 714                                         enum amdgpu_interrupt_state state)
 715 {
 716         return 0;
 717 }
 718
 719 static int jpeg_v2_0_process_interrupt(struct amdgpu_device *adev,
 720                                       struct amdgpu_irq_src *source,
 721                                       struct amdgpu_iv_entry *entry)
 722 {
 723         DRM_DEBUG("IH: JPEG TRAP\n");
 724
 725         switch (entry->src_id) {
 726         case VCN_2_0__SRCID__JPEG_DECODE:
 727                 amdgpu_fence_process(&adev->jpeg.inst->ring_dec);
 728                 break;
 729         default:
 730                 DRM_ERROR("Unhandled interrupt: %d %d\n",
 731                           entry->src_id, entry->src_data[0]);
 732                 break;
 733         }
 734
 735         return 0;
 736 }
 737
 738 static const struct amd_ip_funcs jpeg_v2_0_ip_funcs = {
 739         .name = "jpeg_v2_0",
 740         .early_init = jpeg_v2_0_early_init,
 741         .late_init = NULL,
 742         .sw_init = jpeg_v2_0_sw_init,
 743         .sw_fini = jpeg_v2_0_sw_fini,
 744         .hw_init = jpeg_v2_0_hw_init,
 745         .hw_fini = jpeg_v2_0_hw_fini,
 746         .suspend = jpeg_v2_0_suspend,
 747         .resume = jpeg_v2_0_resume,
 748         .is_idle = jpeg_v2_0_is_idle,
 749         .wait_for_idle = jpeg_v2_0_wait_for_idle,
 750         .check_soft_reset = NULL,
 751         .pre_soft_reset = NULL,
 752         .soft_reset = NULL,
 753         .post_soft_reset = NULL,
 754         .set_clockgating_state = jpeg_v2_0_set_clockgating_state,
 755         .set_powergating_state = jpeg_v2_0_set_powergating_state,
 756 };
 757
 758 static const struct amdgpu_ring_funcs jpeg_v2_0_dec_ring_vm_funcs = {
 759         .type = AMDGPU_RING_TYPE_VCN_JPEG,
 760         .align_mask = 0xf,
 761         .vmhub = AMDGPU_MMHUB_0,
 762         .get_rptr = jpeg_v2_0_dec_ring_get_rptr,
 763         .get_wptr = jpeg_v2_0_dec_ring_get_wptr,
 764         .set_wptr = jpeg_v2_0_dec_ring_set_wptr,
 765         .emit_frame_size =
 766                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
 767                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
 768                 8 + /* jpeg_v2_0_dec_ring_emit_vm_flush */
 769                 18 + 18 + /* jpeg_v2_0_dec_ring_emit_fence x2 vm fence */
 770                 8 + 16,
 771         .emit_ib_size = 22, /* jpeg_v2_0_dec_ring_emit_ib */
 772         .emit_ib = jpeg_v2_0_dec_ring_emit_ib,
 773         .emit_fence = jpeg_v2_0_dec_ring_emit_fence,
 774         .emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush,
 775         .test_ring = amdgpu_jpeg_dec_ring_test_ring,
 776         .test_ib = amdgpu_jpeg_dec_ring_test_ib,
 777         .insert_nop = jpeg_v2_0_dec_ring_nop,
 778         .insert_start = jpeg_v2_0_dec_ring_insert_start,
 779         .insert_end = jpeg_v2_0_dec_ring_insert_end,
 780         .pad_ib = amdgpu_ring_generic_pad_ib,
 781         .begin_use = amdgpu_jpeg_ring_begin_use,
 782         .end_use = amdgpu_jpeg_ring_end_use,
 783         .emit_wreg = jpeg_v2_0_dec_ring_emit_wreg,
 784         .emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait,
 785         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
 786 };
 787
 788 static void jpeg_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev)
 789 {
 790         adev->jpeg.inst->ring_dec.funcs = &jpeg_v2_0_dec_ring_vm_funcs;
 791         DRM_INFO("JPEG decode is enabled in VM mode\n");
 792 }
 793
 794 static const struct amdgpu_irq_src_funcs jpeg_v2_0_irq_funcs = {
 795         .set = jpeg_v2_0_set_interrupt_state,
 796         .process = jpeg_v2_0_process_interrupt,
 797 };
 798
 799 static void jpeg_v2_0_set_irq_funcs(struct amdgpu_device *adev)
 800 {
 801         adev->jpeg.inst->irq.num_types = 1;
 802         adev->jpeg.inst->irq.funcs = &jpeg_v2_0_irq_funcs;
 803 }
 804
 805 const struct amdgpu_ip_block_version jpeg_v2_0_ip_block =
 806 {
 807                 .type = AMD_IP_BLOCK_TYPE_JPEG,
 808                 .major = 2,
 809                 .minor = 0,
 810                 .rev = 0,
 811                 .funcs = &jpeg_v2_0_ip_funcs,
 812 };