drivers/gpu/drm/amd/amdgpu/jpeg_v1_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 "soc15.h"
  27 #include "soc15d.h"
  28 #include "vcn_v1_0.h"
  29 #include "jpeg_v1_0.h"
  30
  31 #include "vcn/vcn_1_0_offset.h"
  32 #include "vcn/vcn_1_0_sh_mask.h"
  33
  34 static void jpeg_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev);
  35 static void jpeg_v1_0_set_irq_funcs(struct amdgpu_device *adev);
  36 static void jpeg_v1_0_ring_begin_use(struct amdgpu_ring *ring);
  37
  38 static void jpeg_v1_0_decode_ring_patch_wreg(struct amdgpu_ring *ring, uint32_t *ptr, uint32_t reg_offset, uint32_t val)
  39 {
  40         struct amdgpu_device *adev = ring->adev;
  41         ring->ring[(*ptr)++] = PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0);
  42         if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
  43                 ((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
  44                 ring->ring[(*ptr)++] = 0;
  45                 ring->ring[(*ptr)++] = PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0);
  46         } else {
  47                 ring->ring[(*ptr)++] = reg_offset;
  48                 ring->ring[(*ptr)++] = PACKETJ(0, 0, 0, PACKETJ_TYPE0);
  49         }
  50         ring->ring[(*ptr)++] = val;
  51 }
  52
  53 static void jpeg_v1_0_decode_ring_set_patch_ring(struct amdgpu_ring *ring, uint32_t ptr)
  54 {
  55         struct amdgpu_device *adev = ring->adev;
  56
  57         uint32_t reg, reg_offset, val, mask, i;
  58
  59         // 1st: program mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW
  60         reg = SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW);
  61         reg_offset = (reg << 2);
  62         val = lower_32_bits(ring->gpu_addr);
  63         jpeg_v1_0_decode_ring_patch_wreg(ring, &ptr, reg_offset, val);
  64
  65         // 2nd: program mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH
  66         reg = SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH);
  67         reg_offset = (reg << 2);
  68         val = upper_32_bits(ring->gpu_addr);
  69         jpeg_v1_0_decode_ring_patch_wreg(ring, &ptr, reg_offset, val);
  70
  71         // 3rd to 5th: issue MEM_READ commands
  72         for (i = 0; i <= 2; i++) {
  73                 ring->ring[ptr++] = PACKETJ(0, 0, 0, PACKETJ_TYPE2);
  74                 ring->ring[ptr++] = 0;
  75         }
  76
  77         // 6th: program mmUVD_JRBC_RB_CNTL register to enable NO_FETCH and RPTR write ability
  78         reg = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_CNTL);
  79         reg_offset = (reg << 2);
  80         val = 0x13;
  81         jpeg_v1_0_decode_ring_patch_wreg(ring, &ptr, reg_offset, val);
  82
  83         // 7th: program mmUVD_JRBC_RB_REF_DATA
  84         reg = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_REF_DATA);
  85         reg_offset = (reg << 2);
  86         val = 0x1;
  87         jpeg_v1_0_decode_ring_patch_wreg(ring, &ptr, reg_offset, val);
  88
  89         // 8th: issue conditional register read mmUVD_JRBC_RB_CNTL
  90         reg = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_CNTL);
  91         reg_offset = (reg << 2);
  92         val = 0x1;
  93         mask = 0x1;
  94
  95         ring->ring[ptr++] = PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0);
  96         ring->ring[ptr++] = 0x01400200;
  97         ring->ring[ptr++] = PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0);
  98         ring->ring[ptr++] = val;
  99         ring->ring[ptr++] = PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0);
 100         if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
 101                 ((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
 102                 ring->ring[ptr++] = 0;
 103                 ring->ring[ptr++] = PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3);
 104         } else {
 105                 ring->ring[ptr++] = reg_offset;
 106                 ring->ring[ptr++] = PACKETJ(0, 0, 0, PACKETJ_TYPE3);
 107         }
 108         ring->ring[ptr++] = mask;
 109
 110         //9th to 21st: insert no-op
 111         for (i = 0; i <= 12; i++) {
 112                 ring->ring[ptr++] = PACKETJ(0, 0, 0, PACKETJ_TYPE6);
 113                 ring->ring[ptr++] = 0;
 114         }
 115
 116         //22nd: reset mmUVD_JRBC_RB_RPTR
 117         reg = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_RPTR);
 118         reg_offset = (reg << 2);
 119         val = 0;
 120         jpeg_v1_0_decode_ring_patch_wreg(ring, &ptr, reg_offset, val);
 121
 122         //23rd: program mmUVD_JRBC_RB_CNTL to disable no_fetch
 123         reg = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_CNTL);
 124         reg_offset = (reg << 2);
 125         val = 0x12;
 126         jpeg_v1_0_decode_ring_patch_wreg(ring, &ptr, reg_offset, val);
 127 }
 128
 129 /**
 130  * jpeg_v1_0_decode_ring_get_rptr - get read pointer
 131  *
 132  * @ring: amdgpu_ring pointer
 133  *
 134  * Returns the current hardware read pointer
 135  */
 136 static uint64_t jpeg_v1_0_decode_ring_get_rptr(struct amdgpu_ring *ring)
 137 {
 138         struct amdgpu_device *adev = ring->adev;
 139
 140         return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR);
 141 }
 142
 143 /**
 144  * jpeg_v1_0_decode_ring_get_wptr - get write pointer
 145  *
 146  * @ring: amdgpu_ring pointer
 147  *
 148  * Returns the current hardware write pointer
 149  */
 150 static uint64_t jpeg_v1_0_decode_ring_get_wptr(struct amdgpu_ring *ring)
 151 {
 152         struct amdgpu_device *adev = ring->adev;
 153
 154         return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
 155 }
 156
 157 /**
 158  * jpeg_v1_0_decode_ring_set_wptr - set write pointer
 159  *
 160  * @ring: amdgpu_ring pointer
 161  *
 162  * Commits the write pointer to the hardware
 163  */
 164 static void jpeg_v1_0_decode_ring_set_wptr(struct amdgpu_ring *ring)
 165 {
 166         struct amdgpu_device *adev = ring->adev;
 167
 168         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
 169 }
 170
 171 /**
 172  * jpeg_v1_0_decode_ring_insert_start - insert a start command
 173  *
 174  * @ring: amdgpu_ring pointer
 175  *
 176  * Write a start command to the ring.
 177  */
 178 static void jpeg_v1_0_decode_ring_insert_start(struct amdgpu_ring *ring)
 179 {
 180         struct amdgpu_device *adev = ring->adev;
 181
 182         amdgpu_ring_write(ring,
 183                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
 184         amdgpu_ring_write(ring, 0x68e04);
 185
 186         amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE0));
 187         amdgpu_ring_write(ring, 0x80010000);
 188 }
 189
 190 /**
 191  * jpeg_v1_0_decode_ring_insert_end - insert a end command
 192  *
 193  * @ring: amdgpu_ring pointer
 194  *
 195  * Write a end command to the ring.
 196  */
 197 static void jpeg_v1_0_decode_ring_insert_end(struct amdgpu_ring *ring)
 198 {
 199         struct amdgpu_device *adev = ring->adev;
 200
 201         amdgpu_ring_write(ring,
 202                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
 203         amdgpu_ring_write(ring, 0x68e04);
 204
 205         amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE0));
 206         amdgpu_ring_write(ring, 0x00010000);
 207 }
 208
 209 /**
 210  * jpeg_v1_0_decode_ring_emit_fence - emit an fence & trap command
 211  *
 212  * @ring: amdgpu_ring pointer
 213  * @addr: address
 214  * @seq: sequence number
 215  * @flags: fence related flags
 216  *
 217  * Write a fence and a trap command to the ring.
 218  */
 219 static void jpeg_v1_0_decode_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
 220                                      unsigned flags)
 221 {
 222         struct amdgpu_device *adev = ring->adev;
 223
 224         WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
 225
 226         amdgpu_ring_write(ring,
 227                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_GPCOM_DATA0), 0, 0, PACKETJ_TYPE0));
 228         amdgpu_ring_write(ring, seq);
 229
 230         amdgpu_ring_write(ring,
 231                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_GPCOM_DATA1), 0, 0, PACKETJ_TYPE0));
 232         amdgpu_ring_write(ring, seq);
 233
 234         amdgpu_ring_write(ring,
 235                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
 236         amdgpu_ring_write(ring, lower_32_bits(addr));
 237
 238         amdgpu_ring_write(ring,
 239                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
 240         amdgpu_ring_write(ring, upper_32_bits(addr));
 241
 242         amdgpu_ring_write(ring,
 243                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_GPCOM_CMD), 0, 0, PACKETJ_TYPE0));
 244         amdgpu_ring_write(ring, 0x8);
 245
 246         amdgpu_ring_write(ring,
 247                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_GPCOM_CMD), 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE4));
 248         amdgpu_ring_write(ring, 0);
 249
 250         amdgpu_ring_write(ring,
 251                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
 252         amdgpu_ring_write(ring, 0x01400200);
 253
 254         amdgpu_ring_write(ring,
 255                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
 256         amdgpu_ring_write(ring, seq);
 257
 258         amdgpu_ring_write(ring,
 259                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
 260         amdgpu_ring_write(ring, lower_32_bits(addr));
 261
 262         amdgpu_ring_write(ring,
 263                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
 264         amdgpu_ring_write(ring, upper_32_bits(addr));
 265
 266         amdgpu_ring_write(ring,
 267                 PACKETJ(0, 0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE2));
 268         amdgpu_ring_write(ring, 0xffffffff);
 269
 270         amdgpu_ring_write(ring,
 271                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
 272         amdgpu_ring_write(ring, 0x3fbc);
 273
 274         amdgpu_ring_write(ring,
 275                 PACKETJ(0, 0, 0, PACKETJ_TYPE0));
 276         amdgpu_ring_write(ring, 0x1);
 277
 278         /* emit trap */
 279         amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE7));
 280         amdgpu_ring_write(ring, 0);
 281 }
 282
 283 /**
 284  * jpeg_v1_0_decode_ring_emit_ib - execute indirect buffer
 285  *
 286  * @ring: amdgpu_ring pointer
 287  * @job: job to retrieve vmid from
 288  * @ib: indirect buffer to execute
 289  * @flags: unused
 290  *
 291  * Write ring commands to execute the indirect buffer.
 292  */
 293 static void jpeg_v1_0_decode_ring_emit_ib(struct amdgpu_ring *ring,
 294                                         struct amdgpu_job *job,
 295                                         struct amdgpu_ib *ib,
 296                                         uint32_t flags)
 297 {
 298         struct amdgpu_device *adev = ring->adev;
 299         unsigned vmid = AMDGPU_JOB_GET_VMID(job);
 300
 301         amdgpu_ring_write(ring,
 302                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_IB_VMID), 0, 0, PACKETJ_TYPE0));
 303         amdgpu_ring_write(ring, (vmid | (vmid << 4)));
 304
 305         amdgpu_ring_write(ring,
 306                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JPEG_VMID), 0, 0, PACKETJ_TYPE0));
 307         amdgpu_ring_write(ring, (vmid | (vmid << 4)));
 308
 309         amdgpu_ring_write(ring,
 310                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
 311         amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
 312
 313         amdgpu_ring_write(ring,
 314                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_IB_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
 315         amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
 316
 317         amdgpu_ring_write(ring,
 318                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_IB_SIZE), 0, 0, PACKETJ_TYPE0));
 319         amdgpu_ring_write(ring, ib->length_dw);
 320
 321         amdgpu_ring_write(ring,
 322                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
 323         amdgpu_ring_write(ring, lower_32_bits(ring->gpu_addr));
 324
 325         amdgpu_ring_write(ring,
 326                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
 327         amdgpu_ring_write(ring, upper_32_bits(ring->gpu_addr));
 328
 329         amdgpu_ring_write(ring,
 330                 PACKETJ(0, 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE2));
 331         amdgpu_ring_write(ring, 0);
 332
 333         amdgpu_ring_write(ring,
 334                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
 335         amdgpu_ring_write(ring, 0x01400200);
 336
 337         amdgpu_ring_write(ring,
 338                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
 339         amdgpu_ring_write(ring, 0x2);
 340
 341         amdgpu_ring_write(ring,
 342                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_STATUS), 0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE3));
 343         amdgpu_ring_write(ring, 0x2);
 344 }
 345
 346 static void jpeg_v1_0_decode_ring_emit_reg_wait(struct amdgpu_ring *ring,
 347                                             uint32_t reg, uint32_t val,
 348                                             uint32_t mask)
 349 {
 350         struct amdgpu_device *adev = ring->adev;
 351         uint32_t reg_offset = (reg << 2);
 352
 353         amdgpu_ring_write(ring,
 354                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
 355         amdgpu_ring_write(ring, 0x01400200);
 356
 357         amdgpu_ring_write(ring,
 358                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
 359         amdgpu_ring_write(ring, val);
 360
 361         amdgpu_ring_write(ring,
 362                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
 363         if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
 364                 ((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
 365                 amdgpu_ring_write(ring, 0);
 366                 amdgpu_ring_write(ring,
 367                         PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3));
 368         } else {
 369                 amdgpu_ring_write(ring, reg_offset);
 370                 amdgpu_ring_write(ring,
 371                         PACKETJ(0, 0, 0, PACKETJ_TYPE3));
 372         }
 373         amdgpu_ring_write(ring, mask);
 374 }
 375
 376 static void jpeg_v1_0_decode_ring_emit_vm_flush(struct amdgpu_ring *ring,
 377                 unsigned vmid, uint64_t pd_addr)
 378 {
 379         struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub];
 380         uint32_t data0, data1, mask;
 381
 382         pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
 383
 384         /* wait for register write */
 385         data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
 386         data1 = lower_32_bits(pd_addr);
 387         mask = 0xffffffff;
 388         jpeg_v1_0_decode_ring_emit_reg_wait(ring, data0, data1, mask);
 389 }
 390
 391 static void jpeg_v1_0_decode_ring_emit_wreg(struct amdgpu_ring *ring,
 392                                         uint32_t reg, uint32_t val)
 393 {
 394         struct amdgpu_device *adev = ring->adev;
 395         uint32_t reg_offset = (reg << 2);
 396
 397         amdgpu_ring_write(ring,
 398                 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
 399         if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
 400                         ((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
 401                 amdgpu_ring_write(ring, 0);
 402                 amdgpu_ring_write(ring,
 403                         PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0));
 404         } else {
 405                 amdgpu_ring_write(ring, reg_offset);
 406                 amdgpu_ring_write(ring,
 407                         PACKETJ(0, 0, 0, PACKETJ_TYPE0));
 408         }
 409         amdgpu_ring_write(ring, val);
 410 }
 411
 412 static void jpeg_v1_0_decode_ring_nop(struct amdgpu_ring *ring, uint32_t count)
 413 {
 414         int i;
 415
 416         WARN_ON(ring->wptr % 2 || count % 2);
 417
 418         for (i = 0; i < count / 2; i++) {
 419                 amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE6));
 420                 amdgpu_ring_write(ring, 0);
 421         }
 422 }
 423
 424 static int jpeg_v1_0_set_interrupt_state(struct amdgpu_device *adev,
 425                                         struct amdgpu_irq_src *source,
 426                                         unsigned type,
 427                                         enum amdgpu_interrupt_state state)
 428 {
 429         return 0;
 430 }
 431
 432 static int jpeg_v1_0_process_interrupt(struct amdgpu_device *adev,
 433                                       struct amdgpu_irq_src *source,
 434                                       struct amdgpu_iv_entry *entry)
 435 {
 436         DRM_DEBUG("IH: JPEG decode TRAP\n");
 437
 438         switch (entry->src_id) {
 439         case 126:
 440                 amdgpu_fence_process(adev->jpeg.inst->ring_dec);
 441                 break;
 442         default:
 443                 DRM_ERROR("Unhandled interrupt: %d %d\n",
 444                           entry->src_id, entry->src_data[0]);
 445                 break;
 446         }
 447
 448         return 0;
 449 }
 450
 451 /**
 452  * jpeg_v1_0_early_init - set function pointers
 453  *
 454  * @handle: amdgpu_device pointer
 455  *
 456  * Set ring and irq function pointers
 457  */
 458 int jpeg_v1_0_early_init(void *handle)
 459 {
 460         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 461
 462         adev->jpeg.num_jpeg_inst = 1;
 463         adev->jpeg.num_jpeg_rings = 1;
 464
 465         jpeg_v1_0_set_dec_ring_funcs(adev);
 466         jpeg_v1_0_set_irq_funcs(adev);
 467
 468         return 0;
 469 }
 470
 471 /**
 472  * jpeg_v1_0_sw_init - sw init for JPEG block
 473  *
 474  * @handle: amdgpu_device pointer
 475  *
 476  */
 477 int jpeg_v1_0_sw_init(void *handle)
 478 {
 479         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 480         struct amdgpu_ring *ring;
 481         int r;
 482
 483         /* JPEG TRAP */
 484         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, 126, &adev->jpeg.inst->irq);
 485         if (r)
 486                 return r;
 487
 488         ring = adev->jpeg.inst->ring_dec;
 489         ring->vm_hub = AMDGPU_MMHUB0(0);
 490         sprintf(ring->name, "jpeg_dec");
 491         r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq,
 492                              0, AMDGPU_RING_PRIO_DEFAULT, NULL);
 493         if (r)
 494                 return r;
 495
 496         adev->jpeg.internal.jpeg_pitch[0] = adev->jpeg.inst->external.jpeg_pitch[0] =
 497                 SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_PITCH);
 498
 499         return 0;
 500 }
 501
 502 /**
 503  * jpeg_v1_0_sw_fini - sw fini for JPEG block
 504  *
 505  * @handle: amdgpu_device pointer
 506  *
 507  * JPEG free up sw allocation
 508  */
 509 void jpeg_v1_0_sw_fini(void *handle)
 510 {
 511         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 512
 513         amdgpu_ring_fini(adev->jpeg.inst->ring_dec);
 514 }
 515
 516 /**
 517  * jpeg_v1_0_start - start JPEG block
 518  *
 519  * @adev: amdgpu_device pointer
 520  * @mode: SPG or DPG mode
 521  *
 522  * Setup and start the JPEG block
 523  */
 524 void jpeg_v1_0_start(struct amdgpu_device *adev, int mode)
 525 {
 526         struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec;
 527
 528         if (mode == 0) {
 529                 WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
 530                 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, UVD_JRBC_RB_CNTL__RB_NO_FETCH_MASK |
 531                                 UVD_JRBC_RB_CNTL__RB_RPTR_WR_EN_MASK);
 532                 WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW, lower_32_bits(ring->gpu_addr));
 533                 WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH, upper_32_bits(ring->gpu_addr));
 534                 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR, 0);
 535                 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, 0);
 536                 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, UVD_JRBC_RB_CNTL__RB_RPTR_WR_EN_MASK);
 537         }
 538
 539         /* initialize wptr */
 540         ring->wptr = RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
 541
 542         /* copy patch commands to the jpeg ring */
 543         jpeg_v1_0_decode_ring_set_patch_ring(ring,
 544                 (ring->wptr + ring->max_dw * amdgpu_sched_hw_submission));
 545 }
 546
 547 static const struct amdgpu_ring_funcs jpeg_v1_0_decode_ring_vm_funcs = {
 548         .type = AMDGPU_RING_TYPE_VCN_JPEG,
 549         .align_mask = 0xf,
 550         .nop = PACKET0(0x81ff, 0),
 551         .support_64bit_ptrs = false,
 552         .no_user_fence = true,
 553         .extra_dw = 64,
 554         .get_rptr = jpeg_v1_0_decode_ring_get_rptr,
 555         .get_wptr = jpeg_v1_0_decode_ring_get_wptr,
 556         .set_wptr = jpeg_v1_0_decode_ring_set_wptr,
 557         .emit_frame_size =
 558                 6 + 6 + /* hdp invalidate / flush */
 559                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
 560                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
 561                 8 + /* jpeg_v1_0_decode_ring_emit_vm_flush */
 562                 26 + 26 + /* jpeg_v1_0_decode_ring_emit_fence x2 vm fence */
 563                 6,
 564         .emit_ib_size = 22, /* jpeg_v1_0_decode_ring_emit_ib */
 565         .emit_ib = jpeg_v1_0_decode_ring_emit_ib,
 566         .emit_fence = jpeg_v1_0_decode_ring_emit_fence,
 567         .emit_vm_flush = jpeg_v1_0_decode_ring_emit_vm_flush,
 568         .test_ring = amdgpu_jpeg_dec_ring_test_ring,
 569         .test_ib = amdgpu_jpeg_dec_ring_test_ib,
 570         .insert_nop = jpeg_v1_0_decode_ring_nop,
 571         .insert_start = jpeg_v1_0_decode_ring_insert_start,
 572         .insert_end = jpeg_v1_0_decode_ring_insert_end,
 573         .pad_ib = amdgpu_ring_generic_pad_ib,
 574         .begin_use = jpeg_v1_0_ring_begin_use,
 575         .end_use = vcn_v1_0_ring_end_use,
 576         .emit_wreg = jpeg_v1_0_decode_ring_emit_wreg,
 577         .emit_reg_wait = jpeg_v1_0_decode_ring_emit_reg_wait,
 578         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
 579 };
 580
 581 static void jpeg_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev)
 582 {
 583         adev->jpeg.inst->ring_dec->funcs = &jpeg_v1_0_decode_ring_vm_funcs;
 584         DRM_INFO("JPEG decode is enabled in VM mode\n");
 585 }
 586
 587 static const struct amdgpu_irq_src_funcs jpeg_v1_0_irq_funcs = {
 588         .set = jpeg_v1_0_set_interrupt_state,
 589         .process = jpeg_v1_0_process_interrupt,
 590 };
 591
 592 static void jpeg_v1_0_set_irq_funcs(struct amdgpu_device *adev)
 593 {
 594         adev->jpeg.inst->irq.funcs = &jpeg_v1_0_irq_funcs;
 595 }
 596
 597 static void jpeg_v1_0_ring_begin_use(struct amdgpu_ring *ring)
 598 {
 599         struct  amdgpu_device *adev = ring->adev;
 600         bool    set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work);
 601         int             cnt = 0;
 602
 603         mutex_lock(&adev->vcn.vcn1_jpeg1_workaround);
 604
 605         if (amdgpu_fence_wait_empty(&adev->vcn.inst->ring_dec))
 606                 DRM_ERROR("JPEG dec: vcn dec ring may not be empty\n");
 607
 608         for (cnt = 0; cnt < adev->vcn.num_enc_rings; cnt++) {
 609                 if (amdgpu_fence_wait_empty(&adev->vcn.inst->ring_enc[cnt]))
 610                         DRM_ERROR("JPEG dec: vcn enc ring[%d] may not be empty\n", cnt);
 611         }
 612
 613         vcn_v1_0_set_pg_for_begin_use(ring, set_clocks);
 614 }