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 #define mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET                         0x1bfff
  36 #define mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET                            0x4029
  37 #define mmUVD_JPEG_GPCOM_DATA0_INTERNAL_OFFSET                          0x402a
  38 #define mmUVD_JPEG_GPCOM_DATA1_INTERNAL_OFFSET                          0x402b
  39 #define mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW_INTERNAL_OFFSET          0x40ea
  40 #define mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH_INTERNAL_OFFSET         0x40eb
  41 #define mmUVD_LMI_JRBC_IB_VMID_INTERNAL_OFFSET                          0x40cf
  42 #define mmUVD_LMI_JPEG_VMID_INTERNAL_OFFSET                             0x40d1
  43 #define mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET                 0x40e8
  44 #define mmUVD_LMI_JRBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET                0x40e9
  45 #define mmUVD_JRBC_IB_SIZE_INTERNAL_OFFSET                              0x4082
  46 #define mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW_INTERNAL_OFFSET          0x40ec
  47 #define mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH_INTERNAL_OFFSET         0x40ed
  48 #define mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET                     0x4085
  49 #define mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET                          0x4084
  50 #define mmUVD_JRBC_STATUS_INTERNAL_OFFSET                               0x4089
  51 #define mmUVD_JPEG_PITCH_INTERNAL_OFFSET                                0x401f
  52
  53 #define JRBC_DEC_EXTERNAL_REG_WRITE_ADDR                                0x18000
  54
  55 static void jpeg_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev);
  56 static void jpeg_v2_0_set_irq_funcs(struct amdgpu_device *adev);
  57 static int jpeg_v2_0_set_powergating_state(void *handle,
  58                                 enum amd_powergating_state state);
  59
  60 /**
  61  * jpeg_v2_0_early_init - set function pointers
  62  *
  63  * @handle: amdgpu_device pointer
  64  *
  65  * Set ring and irq function pointers
  66  */
  67 static int jpeg_v2_0_early_init(void *handle)
  68 {
  69         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  70
  71         adev->jpeg.num_jpeg_inst = 1;
  72
  73         jpeg_v2_0_set_dec_ring_funcs(adev);
  74         jpeg_v2_0_set_irq_funcs(adev);
  75
  76         return 0;
  77 }
  78
  79 /**
  80  * jpeg_v2_0_sw_init - sw init for JPEG block
  81  *
  82  * @handle: amdgpu_device pointer
  83  *
  84  * Load firmware and sw initialization
  85  */
  86 static int jpeg_v2_0_sw_init(void *handle)
  87 {
  88         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  89         struct amdgpu_ring *ring;
  90         int r;
  91
  92         /* JPEG TRAP */
  93         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
  94                 VCN_2_0__SRCID__JPEG_DECODE, &adev->jpeg.inst->irq);
  95         if (r)
  96                 return r;
  97
  98         r = amdgpu_jpeg_sw_init(adev);
  99         if (r)
 100                 return r;
 101
 102         r = amdgpu_jpeg_resume(adev);
 103         if (r)
 104                 return r;
 105
 106         ring = &adev->jpeg.inst->ring_dec;
 107         ring->use_doorbell = true;
 108         ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
 109         sprintf(ring->name, "jpeg_dec");
 110         r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq,
 111                              0, AMDGPU_RING_PRIO_DEFAULT);
 112         if (r)
 113                 return r;
 114
 115         adev->jpeg.internal.jpeg_pitch = mmUVD_JPEG_PITCH_INTERNAL_OFFSET;
 116         adev->jpeg.inst->external.jpeg_pitch = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_PITCH);
 117
 118         return 0;
 119 }
 120
 121 /**
 122  * jpeg_v2_0_sw_fini - sw fini for JPEG block
 123  *
 124  * @handle: amdgpu_device pointer
 125  *
 126  * JPEG suspend and free up sw allocation
 127  */
 128 static int jpeg_v2_0_sw_fini(void *handle)
 129 {
 130         int r;
 131         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 132
 133         r = amdgpu_jpeg_suspend(adev);
 134         if (r)
 135                 return r;
 136
 137         r = amdgpu_jpeg_sw_fini(adev);
 138
 139         return r;
 140 }
 141
 142 /**
 143  * jpeg_v2_0_hw_init - start and test JPEG block
 144  *
 145  * @handle: amdgpu_device pointer
 146  *
 147  */
 148 static int jpeg_v2_0_hw_init(void *handle)
 149 {
 150         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 151         struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
 152         int r;
 153
 154         adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
 155                 (adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
 156
 157         r = amdgpu_ring_test_helper(ring);
 158         if (!r)
 159                 DRM_INFO("JPEG decode initialized successfully.\n");
 160
 161         return r;
 162 }
 163
 164 /**
 165  * jpeg_v2_0_hw_fini - stop the hardware block
 166  *
 167  * @handle: amdgpu_device pointer
 168  *
 169  * Stop the JPEG block, mark ring as not ready any more
 170  */
 171 static int jpeg_v2_0_hw_fini(void *handle)
 172 {
 173         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 174
 175         if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
 176               RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
 177                 jpeg_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
 178
 179         return 0;
 180 }
 181
 182 /**
 183  * jpeg_v2_0_suspend - suspend JPEG block
 184  *
 185  * @handle: amdgpu_device pointer
 186  *
 187  * HW fini and suspend JPEG block
 188  */
 189 static int jpeg_v2_0_suspend(void *handle)
 190 {
 191         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 192         int r;
 193
 194         r = jpeg_v2_0_hw_fini(adev);
 195         if (r)
 196                 return r;
 197
 198         r = amdgpu_jpeg_suspend(adev);
 199
 200         return r;
 201 }
 202
 203 /**
 204  * jpeg_v2_0_resume - resume JPEG block
 205  *
 206  * @handle: amdgpu_device pointer
 207  *
 208  * Resume firmware and hw init JPEG block
 209  */
 210 static int jpeg_v2_0_resume(void *handle)
 211 {
 212         int r;
 213         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 214
 215         r = amdgpu_jpeg_resume(adev);
 216         if (r)
 217                 return r;
 218
 219         r = jpeg_v2_0_hw_init(adev);
 220
 221         return r;
 222 }
 223
 224 static int jpeg_v2_0_disable_power_gating(struct amdgpu_device *adev)
 225 {
 226         uint32_t data;
 227         int r = 0;
 228
 229         if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
 230                 data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
 231                 WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
 232
 233                 r = SOC15_WAIT_ON_RREG(JPEG, 0,
 234                         mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON,
 235                         UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
 236
 237                 if (r) {
 238                         DRM_ERROR("amdgpu: JPEG disable power gating failed\n");
 239                         return r;
 240                 }
 241         }
 242
 243         /* Removing the anti hang mechanism to indicate the UVDJ tile is ON */
 244         data = RREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS)) & ~0x1;
 245         WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), data);
 246
 247         return 0;
 248 }
 249
 250 static int jpeg_v2_0_enable_power_gating(struct amdgpu_device* adev)
 251 {
 252         if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
 253                 uint32_t data;
 254                 int r = 0;
 255
 256                 data = RREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS));
 257                 data &= ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK;
 258                 data |=  0x1; //UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_TILES_OFF;
 259                 WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), data);
 260
 261                 data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
 262                 WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
 263
 264                 r = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS,
 265                         (2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT),
 266                         UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
 267
 268                 if (r) {
 269                         DRM_ERROR("amdgpu: JPEG enable power gating failed\n");
 270                         return r;
 271                 }
 272         }
 273
 274         return 0;
 275 }
 276
 277 static void jpeg_v2_0_disable_clock_gating(struct amdgpu_device* adev)
 278 {
 279         uint32_t data;
 280
 281         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
 282         if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
 283                 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 284         else
 285                 data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 286
 287         data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 288         data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 289         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
 290
 291         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
 292         data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK
 293                 | JPEG_CGC_GATE__JPEG2_DEC_MASK
 294                 | JPEG_CGC_GATE__JPEG_ENC_MASK
 295                 | JPEG_CGC_GATE__JMCIF_MASK
 296                 | JPEG_CGC_GATE__JRBBM_MASK);
 297         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
 298 }
 299
 300 static void jpeg_v2_0_enable_clock_gating(struct amdgpu_device* adev)
 301 {
 302         uint32_t data;
 303
 304         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
 305         if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
 306                 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 307         else
 308                 data |= 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 309
 310         data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 311         data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 312         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
 313
 314         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
 315         data |= (JPEG_CGC_GATE__JPEG_DEC_MASK
 316                 |JPEG_CGC_GATE__JPEG2_DEC_MASK
 317                 |JPEG_CGC_GATE__JPEG_ENC_MASK
 318                 |JPEG_CGC_GATE__JMCIF_MASK
 319                 |JPEG_CGC_GATE__JRBBM_MASK);
 320         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
 321 }
 322
 323 /**
 324  * jpeg_v2_0_start - start JPEG block
 325  *
 326  * @adev: amdgpu_device pointer
 327  *
 328  * Setup and start the JPEG block
 329  */
 330 static int jpeg_v2_0_start(struct amdgpu_device *adev)
 331 {
 332         struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
 333         int r;
 334
 335         if (adev->pm.dpm_enabled)
 336                 amdgpu_dpm_enable_jpeg(adev, true);
 337
 338         /* disable power gating */
 339         r = jpeg_v2_0_disable_power_gating(adev);
 340         if (r)
 341                 return r;
 342
 343         /* JPEG disable CGC */
 344         jpeg_v2_0_disable_clock_gating(adev);
 345
 346         WREG32_SOC15(JPEG, 0, mmJPEG_DEC_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
 347
 348         /* enable JMI channel */
 349         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL), 0,
 350                 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
 351
 352         /* enable System Interrupt for JRBC */
 353         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmJPEG_SYS_INT_EN),
 354                 JPEG_SYS_INT_EN__DJRBC_MASK,
 355                 ~JPEG_SYS_INT_EN__DJRBC_MASK);
 356
 357         WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
 358         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
 359         WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
 360                 lower_32_bits(ring->gpu_addr));
 361         WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
 362                 upper_32_bits(ring->gpu_addr));
 363         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR, 0);
 364         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, 0);
 365         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, 0x00000002L);
 366         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_SIZE, ring->ring_size / 4);
 367         ring->wptr = RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
 368
 369         return 0;
 370 }
 371
 372 /**
 373  * jpeg_v2_0_stop - stop JPEG block
 374  *
 375  * @adev: amdgpu_device pointer
 376  *
 377  * stop the JPEG block
 378  */
 379 static int jpeg_v2_0_stop(struct amdgpu_device *adev)
 380 {
 381         int r;
 382
 383         /* reset JMI */
 384         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL),
 385                 UVD_JMI_CNTL__SOFT_RESET_MASK,
 386                 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
 387
 388         /* enable JPEG CGC */
 389         jpeg_v2_0_enable_clock_gating(adev);
 390
 391         /* enable power gating */
 392         r = jpeg_v2_0_enable_power_gating(adev);
 393         if (r)
 394                 return r;
 395
 396         if (adev->pm.dpm_enabled)
 397                 amdgpu_dpm_enable_jpeg(adev, false);
 398
 399         return 0;
 400 }
 401
 402 /**
 403  * jpeg_v2_0_dec_ring_get_rptr - get read pointer
 404  *
 405  * @ring: amdgpu_ring pointer
 406  *
 407  * Returns the current hardware read pointer
 408  */
 409 static uint64_t jpeg_v2_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
 410 {
 411         struct amdgpu_device *adev = ring->adev;
 412
 413         return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR);
 414 }
 415
 416 /**
 417  * jpeg_v2_0_dec_ring_get_wptr - get write pointer
 418  *
 419  * @ring: amdgpu_ring pointer
 420  *
 421  * Returns the current hardware write pointer
 422  */
 423 static uint64_t jpeg_v2_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
 424 {
 425         struct amdgpu_device *adev = ring->adev;
 426
 427         if (ring->use_doorbell)
 428                 return adev->wb.wb[ring->wptr_offs];
 429         else
 430                 return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
 431 }
 432
 433 /**
 434  * jpeg_v2_0_dec_ring_set_wptr - set write pointer
 435  *
 436  * @ring: amdgpu_ring pointer
 437  *
 438  * Commits the write pointer to the hardware
 439  */
 440 static void jpeg_v2_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
 441 {
 442         struct amdgpu_device *adev = ring->adev;
 443
 444         if (ring->use_doorbell) {
 445                 adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
 446                 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
 447         } else {
 448                 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
 449         }
 450 }
 451
 452 /**
 453  * jpeg_v2_0_dec_ring_insert_start - insert a start command
 454  *
 455  * @ring: amdgpu_ring pointer
 456  *
 457  * Write a start command to the ring.
 458  */
 459 void jpeg_v2_0_dec_ring_insert_start(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, 0x80010000);
 468 }
 469
 470 /**
 471  * jpeg_v2_0_dec_ring_insert_end - insert a end command
 472  *
 473  * @ring: amdgpu_ring pointer
 474  *
 475  * Write a end command to the ring.
 476  */
 477 void jpeg_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring)
 478 {
 479         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
 480                 0, 0, PACKETJ_TYPE0));
 481         amdgpu_ring_write(ring, 0x68e04);
 482
 483         amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
 484                 0, 0, PACKETJ_TYPE0));
 485         amdgpu_ring_write(ring, 0x00010000);
 486 }
 487
 488 /**
 489  * jpeg_v2_0_dec_ring_emit_fence - emit an fence & trap command
 490  *
 491  * @ring: amdgpu_ring pointer
 492  * @fence: fence to emit
 493  *
 494  * Write a fence and a trap command to the ring.
 495  */
 496 void jpeg_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
 497                                 unsigned flags)
 498 {
 499         WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
 500
 501         amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_DATA0_INTERNAL_OFFSET,
 502                 0, 0, PACKETJ_TYPE0));
 503         amdgpu_ring_write(ring, seq);
 504
 505         amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_DATA1_INTERNAL_OFFSET,
 506                 0, 0, PACKETJ_TYPE0));
 507         amdgpu_ring_write(ring, seq);
 508
 509         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW_INTERNAL_OFFSET,
 510                 0, 0, PACKETJ_TYPE0));
 511         amdgpu_ring_write(ring, lower_32_bits(addr));
 512
 513         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH_INTERNAL_OFFSET,
 514                 0, 0, PACKETJ_TYPE0));
 515         amdgpu_ring_write(ring, upper_32_bits(addr));
 516
 517         amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET,
 518                 0, 0, PACKETJ_TYPE0));
 519         amdgpu_ring_write(ring, 0x8);
 520
 521         amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET,
 522                 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE4));
 523         amdgpu_ring_write(ring, 0);
 524
 525         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
 526                 0, 0, PACKETJ_TYPE0));
 527         amdgpu_ring_write(ring, 0x3fbc);
 528
 529         amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
 530                 0, 0, PACKETJ_TYPE0));
 531         amdgpu_ring_write(ring, 0x1);
 532
 533         amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE7));
 534         amdgpu_ring_write(ring, 0);
 535 }
 536
 537 /**
 538  * jpeg_v2_0_dec_ring_emit_ib - execute indirect buffer
 539  *
 540  * @ring: amdgpu_ring pointer
 541  * @ib: indirect buffer to execute
 542  *
 543  * Write ring commands to execute the indirect buffer.
 544  */
 545 void jpeg_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
 546                                 struct amdgpu_job *job,
 547                                 struct amdgpu_ib *ib,
 548                                 uint32_t flags)
 549 {
 550         unsigned vmid = AMDGPU_JOB_GET_VMID(job);
 551
 552         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_VMID_INTERNAL_OFFSET,
 553                 0, 0, PACKETJ_TYPE0));
 554         amdgpu_ring_write(ring, (vmid | (vmid << 4)));
 555
 556         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JPEG_VMID_INTERNAL_OFFSET,
 557                 0, 0, PACKETJ_TYPE0));
 558         amdgpu_ring_write(ring, (vmid | (vmid << 4)));
 559
 560         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET,
 561                 0, 0, PACKETJ_TYPE0));
 562         amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
 563
 564         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET,
 565                 0, 0, PACKETJ_TYPE0));
 566         amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
 567
 568         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_IB_SIZE_INTERNAL_OFFSET,
 569                 0, 0, PACKETJ_TYPE0));
 570         amdgpu_ring_write(ring, ib->length_dw);
 571
 572         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW_INTERNAL_OFFSET,
 573                 0, 0, PACKETJ_TYPE0));
 574         amdgpu_ring_write(ring, lower_32_bits(ring->gpu_addr));
 575
 576         amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH_INTERNAL_OFFSET,
 577                 0, 0, PACKETJ_TYPE0));
 578         amdgpu_ring_write(ring, upper_32_bits(ring->gpu_addr));
 579
 580         amdgpu_ring_write(ring, PACKETJ(0, 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE2));
 581         amdgpu_ring_write(ring, 0);
 582
 583         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET,
 584                 0, 0, PACKETJ_TYPE0));
 585         amdgpu_ring_write(ring, 0x01400200);
 586
 587         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET,
 588                 0, 0, PACKETJ_TYPE0));
 589         amdgpu_ring_write(ring, 0x2);
 590
 591         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_STATUS_INTERNAL_OFFSET,
 592                 0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE3));
 593         amdgpu_ring_write(ring, 0x2);
 594 }
 595
 596 void jpeg_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
 597                                 uint32_t val, uint32_t mask)
 598 {
 599         uint32_t reg_offset = (reg << 2);
 600
 601         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET,
 602                 0, 0, PACKETJ_TYPE0));
 603         amdgpu_ring_write(ring, 0x01400200);
 604
 605         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET,
 606                 0, 0, PACKETJ_TYPE0));
 607         amdgpu_ring_write(ring, val);
 608
 609         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
 610                 0, 0, PACKETJ_TYPE0));
 611         if (reg_offset >= 0x10000 && reg_offset <= 0x105ff) {
 612                 amdgpu_ring_write(ring, 0);
 613                 amdgpu_ring_write(ring,
 614                         PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3));
 615         } else {
 616                 amdgpu_ring_write(ring, reg_offset);
 617                 amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
 618                         0, 0, PACKETJ_TYPE3));
 619         }
 620         amdgpu_ring_write(ring, mask);
 621 }
 622
 623 void jpeg_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
 624                                 unsigned vmid, uint64_t pd_addr)
 625 {
 626         struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
 627         uint32_t data0, data1, mask;
 628
 629         pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
 630
 631         /* wait for register write */
 632         data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
 633         data1 = lower_32_bits(pd_addr);
 634         mask = 0xffffffff;
 635         jpeg_v2_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
 636 }
 637
 638 void jpeg_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
 639 {
 640         uint32_t reg_offset = (reg << 2);
 641
 642         amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
 643                 0, 0, PACKETJ_TYPE0));
 644         if (reg_offset >= 0x10000 && reg_offset <= 0x105ff) {
 645                 amdgpu_ring_write(ring, 0);
 646                 amdgpu_ring_write(ring,
 647                         PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0));
 648         } else {
 649                 amdgpu_ring_write(ring, reg_offset);
 650                 amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
 651                         0, 0, PACKETJ_TYPE0));
 652         }
 653         amdgpu_ring_write(ring, val);
 654 }
 655
 656 void jpeg_v2_0_dec_ring_nop(struct amdgpu_ring *ring, uint32_t count)
 657 {
 658         int i;
 659
 660         WARN_ON(ring->wptr % 2 || count % 2);
 661
 662         for (i = 0; i < count / 2; i++) {
 663                 amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE6));
 664                 amdgpu_ring_write(ring, 0);
 665         }
 666 }
 667
 668 static bool jpeg_v2_0_is_idle(void *handle)
 669 {
 670         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 671
 672         return ((RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS) &
 673                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
 674                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
 675 }
 676
 677 static int jpeg_v2_0_wait_for_idle(void *handle)
 678 {
 679         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 680         int ret;
 681
 682         ret = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS, UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
 683                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
 684
 685         return ret;
 686 }
 687
 688 static int jpeg_v2_0_set_clockgating_state(void *handle,
 689                                           enum amd_clockgating_state state)
 690 {
 691         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 692         bool enable = (state == AMD_CG_STATE_GATE);
 693
 694         if (enable) {
 695                 if (!jpeg_v2_0_is_idle(handle))
 696                         return -EBUSY;
 697                 jpeg_v2_0_enable_clock_gating(adev);
 698         } else {
 699                 jpeg_v2_0_disable_clock_gating(adev);
 700         }
 701
 702         return 0;
 703 }
 704
 705 static int jpeg_v2_0_set_powergating_state(void *handle,
 706                                         enum amd_powergating_state state)
 707 {
 708         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 709         int ret;
 710
 711         if (state == adev->jpeg.cur_state)
 712                 return 0;
 713
 714         if (state == AMD_PG_STATE_GATE)
 715                 ret = jpeg_v2_0_stop(adev);
 716         else
 717                 ret = jpeg_v2_0_start(adev);
 718
 719         if (!ret)
 720                 adev->jpeg.cur_state = state;
 721
 722         return ret;
 723 }
 724
 725 static int jpeg_v2_0_set_interrupt_state(struct amdgpu_device *adev,
 726                                         struct amdgpu_irq_src *source,
 727                                         unsigned type,
 728                                         enum amdgpu_interrupt_state state)
 729 {
 730         return 0;
 731 }
 732
 733 static int jpeg_v2_0_process_interrupt(struct amdgpu_device *adev,
 734                                       struct amdgpu_irq_src *source,
 735                                       struct amdgpu_iv_entry *entry)
 736 {
 737         DRM_DEBUG("IH: JPEG TRAP\n");
 738
 739         switch (entry->src_id) {
 740         case VCN_2_0__SRCID__JPEG_DECODE:
 741                 amdgpu_fence_process(&adev->jpeg.inst->ring_dec);
 742                 break;
 743         default:
 744                 DRM_ERROR("Unhandled interrupt: %d %d\n",
 745                           entry->src_id, entry->src_data[0]);
 746                 break;
 747         }
 748
 749         return 0;
 750 }
 751
 752 static const struct amd_ip_funcs jpeg_v2_0_ip_funcs = {
 753         .name = "jpeg_v2_0",
 754         .early_init = jpeg_v2_0_early_init,
 755         .late_init = NULL,
 756         .sw_init = jpeg_v2_0_sw_init,
 757         .sw_fini = jpeg_v2_0_sw_fini,
 758         .hw_init = jpeg_v2_0_hw_init,
 759         .hw_fini = jpeg_v2_0_hw_fini,
 760         .suspend = jpeg_v2_0_suspend,
 761         .resume = jpeg_v2_0_resume,
 762         .is_idle = jpeg_v2_0_is_idle,
 763         .wait_for_idle = jpeg_v2_0_wait_for_idle,
 764         .check_soft_reset = NULL,
 765         .pre_soft_reset = NULL,
 766         .soft_reset = NULL,
 767         .post_soft_reset = NULL,
 768         .set_clockgating_state = jpeg_v2_0_set_clockgating_state,
 769         .set_powergating_state = jpeg_v2_0_set_powergating_state,
 770 };
 771
 772 static const struct amdgpu_ring_funcs jpeg_v2_0_dec_ring_vm_funcs = {
 773         .type = AMDGPU_RING_TYPE_VCN_JPEG,
 774         .align_mask = 0xf,
 775         .vmhub = AMDGPU_MMHUB_0,
 776         .get_rptr = jpeg_v2_0_dec_ring_get_rptr,
 777         .get_wptr = jpeg_v2_0_dec_ring_get_wptr,
 778         .set_wptr = jpeg_v2_0_dec_ring_set_wptr,
 779         .emit_frame_size =
 780                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
 781                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
 782                 8 + /* jpeg_v2_0_dec_ring_emit_vm_flush */
 783                 18 + 18 + /* jpeg_v2_0_dec_ring_emit_fence x2 vm fence */
 784                 8 + 16,
 785         .emit_ib_size = 22, /* jpeg_v2_0_dec_ring_emit_ib */
 786         .emit_ib = jpeg_v2_0_dec_ring_emit_ib,
 787         .emit_fence = jpeg_v2_0_dec_ring_emit_fence,
 788         .emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush,
 789         .test_ring = amdgpu_jpeg_dec_ring_test_ring,
 790         .test_ib = amdgpu_jpeg_dec_ring_test_ib,
 791         .insert_nop = jpeg_v2_0_dec_ring_nop,
 792         .insert_start = jpeg_v2_0_dec_ring_insert_start,
 793         .insert_end = jpeg_v2_0_dec_ring_insert_end,
 794         .pad_ib = amdgpu_ring_generic_pad_ib,
 795         .begin_use = amdgpu_jpeg_ring_begin_use,
 796         .end_use = amdgpu_jpeg_ring_end_use,
 797         .emit_wreg = jpeg_v2_0_dec_ring_emit_wreg,
 798         .emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait,
 799         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
 800 };
 801
 802 static void jpeg_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev)
 803 {
 804         adev->jpeg.inst->ring_dec.funcs = &jpeg_v2_0_dec_ring_vm_funcs;
 805         DRM_INFO("JPEG decode is enabled in VM mode\n");
 806 }
 807
 808 static const struct amdgpu_irq_src_funcs jpeg_v2_0_irq_funcs = {
 809         .set = jpeg_v2_0_set_interrupt_state,
 810         .process = jpeg_v2_0_process_interrupt,
 811 };
 812
 813 static void jpeg_v2_0_set_irq_funcs(struct amdgpu_device *adev)
 814 {
 815         adev->jpeg.inst->irq.num_types = 1;
 816         adev->jpeg.inst->irq.funcs = &jpeg_v2_0_irq_funcs;
 817 }
 818
 819 const struct amdgpu_ip_block_version jpeg_v2_0_ip_block =
 820 {
 821                 .type = AMD_IP_BLOCK_TYPE_JPEG,
 822                 .major = 2,
 823                 .minor = 0,
 824                 .rev = 0,
 825                 .funcs = &jpeg_v2_0_ip_funcs,
 826 };