drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c

   1 /*
   2  * Copyright 2022 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #include <linux/delay.h>
  25 #include <linux/firmware.h>
  26 #include <linux/module.h>
  27 #include <linux/pci.h>
  28
  29 #include "amdgpu.h"
  30 #include "amdgpu_xcp.h"
  31 #include "amdgpu_ucode.h"
  32 #include "amdgpu_trace.h"
  33
  34 #include "sdma/sdma_4_4_2_offset.h"
  35 #include "sdma/sdma_4_4_2_sh_mask.h"
  36
  37 #include "soc15_common.h"
  38 #include "soc15.h"
  39 #include "vega10_sdma_pkt_open.h"
  40
  41 #include "ivsrcid/sdma0/irqsrcs_sdma0_4_0.h"
  42 #include "ivsrcid/sdma1/irqsrcs_sdma1_4_0.h"
  43
  44 #include "amdgpu_ras.h"
  45
  46 MODULE_FIRMWARE("amdgpu/sdma_4_4_2.bin");
  47 MODULE_FIRMWARE("amdgpu/sdma_4_4_5.bin");
  48
  49 static const struct amdgpu_hwip_reg_entry sdma_reg_list_4_4_2[] = {
  50         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_STATUS_REG),
  51         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_STATUS1_REG),
  52         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_STATUS2_REG),
  53         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_STATUS3_REG),
  54         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_UCODE_CHECKSUM),
  55         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_RB_RPTR_FETCH_HI),
  56         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_RB_RPTR_FETCH),
  57         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_UTCL1_RD_STATUS),
  58         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_UTCL1_WR_STATUS),
  59         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_UTCL1_RD_XNACK0),
  60         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_UTCL1_RD_XNACK1),
  61         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_UTCL1_WR_XNACK0),
  62         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_UTCL1_WR_XNACK1),
  63         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_GFX_RB_CNTL),
  64         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_GFX_RB_RPTR),
  65         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_GFX_RB_RPTR_HI),
  66         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_GFX_RB_WPTR),
  67         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_GFX_RB_WPTR_HI),
  68         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_GFX_IB_OFFSET),
  69         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_GFX_IB_BASE_LO),
  70         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_GFX_IB_BASE_HI),
  71         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_GFX_IB_CNTL),
  72         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_GFX_IB_RPTR),
  73         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_GFX_IB_SUB_REMAIN),
  74         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_GFX_DUMMY_REG),
  75         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_PAGE_RB_CNTL),
  76         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_PAGE_RB_RPTR),
  77         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_PAGE_RB_RPTR_HI),
  78         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_PAGE_RB_WPTR),
  79         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_PAGE_RB_WPTR_HI),
  80         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_PAGE_IB_OFFSET),
  81         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_PAGE_IB_BASE_LO),
  82         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_PAGE_IB_BASE_HI),
  83         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_PAGE_DUMMY_REG),
  84         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_RLC0_RB_CNTL),
  85         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_RLC0_RB_RPTR),
  86         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_RLC0_RB_RPTR_HI),
  87         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_RLC0_RB_WPTR),
  88         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_RLC0_RB_WPTR_HI),
  89         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_RLC0_IB_OFFSET),
  90         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_RLC0_IB_BASE_LO),
  91         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_RLC0_IB_BASE_HI),
  92         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_RLC0_DUMMY_REG),
  93         SOC15_REG_ENTRY_STR(GC, 0, regSDMA_VM_CNTL)
  94 };
  95
  96 #define mmSMNAID_AID0_MCA_SMU 0x03b30400
  97
  98 #define WREG32_SDMA(instance, offset, value) \
  99         WREG32(sdma_v4_4_2_get_reg_offset(adev, (instance), (offset)), value)
 100 #define RREG32_SDMA(instance, offset) \
 101         RREG32(sdma_v4_4_2_get_reg_offset(adev, (instance), (offset)))
 102
 103 static void sdma_v4_4_2_set_ring_funcs(struct amdgpu_device *adev);
 104 static void sdma_v4_4_2_set_buffer_funcs(struct amdgpu_device *adev);
 105 static void sdma_v4_4_2_set_vm_pte_funcs(struct amdgpu_device *adev);
 106 static void sdma_v4_4_2_set_irq_funcs(struct amdgpu_device *adev);
 107 static void sdma_v4_4_2_set_ras_funcs(struct amdgpu_device *adev);
 108
 109 static u32 sdma_v4_4_2_get_reg_offset(struct amdgpu_device *adev,
 110                 u32 instance, u32 offset)
 111 {
 112         u32 dev_inst = GET_INST(SDMA0, instance);
 113
 114         return (adev->reg_offset[SDMA0_HWIP][dev_inst][0] + offset);
 115 }
 116
 117 static unsigned sdma_v4_4_2_seq_to_irq_id(int seq_num)
 118 {
 119         switch (seq_num) {
 120         case 0:
 121                 return SOC15_IH_CLIENTID_SDMA0;
 122         case 1:
 123                 return SOC15_IH_CLIENTID_SDMA1;
 124         case 2:
 125                 return SOC15_IH_CLIENTID_SDMA2;
 126         case 3:
 127                 return SOC15_IH_CLIENTID_SDMA3;
 128         default:
 129                 return -EINVAL;
 130         }
 131 }
 132
 133 static int sdma_v4_4_2_irq_id_to_seq(struct amdgpu_device *adev, unsigned client_id)
 134 {
 135         switch (client_id) {
 136         case SOC15_IH_CLIENTID_SDMA0:
 137                 return 0;
 138         case SOC15_IH_CLIENTID_SDMA1:
 139                 return 1;
 140         case SOC15_IH_CLIENTID_SDMA2:
 141                 if (amdgpu_sriov_vf(adev) && (adev->gfx.xcc_mask == 0x1))
 142                         return 0;
 143                 else
 144                         return 2;
 145         case SOC15_IH_CLIENTID_SDMA3:
 146                 if (amdgpu_sriov_vf(adev) && (adev->gfx.xcc_mask == 0x1))
 147                         return 1;
 148                 else
 149                         return 3;
 150         default:
 151                 return -EINVAL;
 152         }
 153 }
 154
 155 static void sdma_v4_4_2_inst_init_golden_registers(struct amdgpu_device *adev,
 156                                                    uint32_t inst_mask)
 157 {
 158         u32 val;
 159         int i;
 160
 161         for (i = 0; i < adev->sdma.num_instances; i++) {
 162                 val = RREG32_SDMA(i, regSDMA_GB_ADDR_CONFIG);
 163                 val = REG_SET_FIELD(val, SDMA_GB_ADDR_CONFIG, NUM_BANKS, 4);
 164                 val = REG_SET_FIELD(val, SDMA_GB_ADDR_CONFIG,
 165                                     PIPE_INTERLEAVE_SIZE, 0);
 166                 WREG32_SDMA(i, regSDMA_GB_ADDR_CONFIG, val);
 167
 168                 val = RREG32_SDMA(i, regSDMA_GB_ADDR_CONFIG_READ);
 169                 val = REG_SET_FIELD(val, SDMA_GB_ADDR_CONFIG_READ, NUM_BANKS,
 170                                     4);
 171                 val = REG_SET_FIELD(val, SDMA_GB_ADDR_CONFIG_READ,
 172                                     PIPE_INTERLEAVE_SIZE, 0);
 173                 WREG32_SDMA(i, regSDMA_GB_ADDR_CONFIG_READ, val);
 174         }
 175 }
 176
 177 /**
 178  * sdma_v4_4_2_init_microcode - load ucode images from disk
 179  *
 180  * @adev: amdgpu_device pointer
 181  *
 182  * Use the firmware interface to load the ucode images into
 183  * the driver (not loaded into hw).
 184  * Returns 0 on success, error on failure.
 185  */
 186 static int sdma_v4_4_2_init_microcode(struct amdgpu_device *adev)
 187 {
 188         int ret, i;
 189
 190         for (i = 0; i < adev->sdma.num_instances; i++) {
 191                 if (amdgpu_ip_version(adev, SDMA0_HWIP, 0) == IP_VERSION(4, 4, 2) ||
 192                     amdgpu_ip_version(adev, SDMA0_HWIP, 0) == IP_VERSION(4, 4, 5)) {
 193                         ret = amdgpu_sdma_init_microcode(adev, 0, true);
 194                         break;
 195                 } else {
 196                         ret = amdgpu_sdma_init_microcode(adev, i, false);
 197                         if (ret)
 198                                 return ret;
 199                 }
 200         }
 201
 202         return ret;
 203 }
 204
 205 /**
 206  * sdma_v4_4_2_ring_get_rptr - get the current read pointer
 207  *
 208  * @ring: amdgpu ring pointer
 209  *
 210  * Get the current rptr from the hardware.
 211  */
 212 static uint64_t sdma_v4_4_2_ring_get_rptr(struct amdgpu_ring *ring)
 213 {
 214         u64 rptr;
 215
 216         /* XXX check if swapping is necessary on BE */
 217         rptr = READ_ONCE(*((u64 *)&ring->adev->wb.wb[ring->rptr_offs]));
 218
 219         DRM_DEBUG("rptr before shift == 0x%016llx\n", rptr);
 220         return rptr >> 2;
 221 }
 222
 223 /**
 224  * sdma_v4_4_2_ring_get_wptr - get the current write pointer
 225  *
 226  * @ring: amdgpu ring pointer
 227  *
 228  * Get the current wptr from the hardware.
 229  */
 230 static uint64_t sdma_v4_4_2_ring_get_wptr(struct amdgpu_ring *ring)
 231 {
 232         struct amdgpu_device *adev = ring->adev;
 233         u64 wptr;
 234
 235         if (ring->use_doorbell) {
 236                 /* XXX check if swapping is necessary on BE */
 237                 wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs]));
 238                 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr);
 239         } else {
 240                 wptr = RREG32_SDMA(ring->me, regSDMA_GFX_RB_WPTR_HI);
 241                 wptr = wptr << 32;
 242                 wptr |= RREG32_SDMA(ring->me, regSDMA_GFX_RB_WPTR);
 243                 DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n",
 244                                 ring->me, wptr);
 245         }
 246
 247         return wptr >> 2;
 248 }
 249
 250 /**
 251  * sdma_v4_4_2_ring_set_wptr - commit the write pointer
 252  *
 253  * @ring: amdgpu ring pointer
 254  *
 255  * Write the wptr back to the hardware.
 256  */
 257 static void sdma_v4_4_2_ring_set_wptr(struct amdgpu_ring *ring)
 258 {
 259         struct amdgpu_device *adev = ring->adev;
 260
 261         DRM_DEBUG("Setting write pointer\n");
 262         if (ring->use_doorbell) {
 263                 u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs];
 264
 265                 DRM_DEBUG("Using doorbell -- "
 266                                 "wptr_offs == 0x%08x "
 267                                 "lower_32_bits(ring->wptr) << 2 == 0x%08x "
 268                                 "upper_32_bits(ring->wptr) << 2 == 0x%08x\n",
 269                                 ring->wptr_offs,
 270                                 lower_32_bits(ring->wptr << 2),
 271                                 upper_32_bits(ring->wptr << 2));
 272                 /* XXX check if swapping is necessary on BE */
 273                 WRITE_ONCE(*wb, (ring->wptr << 2));
 274                 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
 275                                 ring->doorbell_index, ring->wptr << 2);
 276                 WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 277         } else {
 278                 DRM_DEBUG("Not using doorbell -- "
 279                                 "regSDMA%i_GFX_RB_WPTR == 0x%08x "
 280                                 "regSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
 281                                 ring->me,
 282                                 lower_32_bits(ring->wptr << 2),
 283                                 ring->me,
 284                                 upper_32_bits(ring->wptr << 2));
 285                 WREG32_SDMA(ring->me, regSDMA_GFX_RB_WPTR,
 286                             lower_32_bits(ring->wptr << 2));
 287                 WREG32_SDMA(ring->me, regSDMA_GFX_RB_WPTR_HI,
 288                             upper_32_bits(ring->wptr << 2));
 289         }
 290 }
 291
 292 /**
 293  * sdma_v4_4_2_page_ring_get_wptr - get the current write pointer
 294  *
 295  * @ring: amdgpu ring pointer
 296  *
 297  * Get the current wptr from the hardware.
 298  */
 299 static uint64_t sdma_v4_4_2_page_ring_get_wptr(struct amdgpu_ring *ring)
 300 {
 301         struct amdgpu_device *adev = ring->adev;
 302         u64 wptr;
 303
 304         if (ring->use_doorbell) {
 305                 /* XXX check if swapping is necessary on BE */
 306                 wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs]));
 307         } else {
 308                 wptr = RREG32_SDMA(ring->me, regSDMA_PAGE_RB_WPTR_HI);
 309                 wptr = wptr << 32;
 310                 wptr |= RREG32_SDMA(ring->me, regSDMA_PAGE_RB_WPTR);
 311         }
 312
 313         return wptr >> 2;
 314 }
 315
 316 /**
 317  * sdma_v4_4_2_page_ring_set_wptr - commit the write pointer
 318  *
 319  * @ring: amdgpu ring pointer
 320  *
 321  * Write the wptr back to the hardware.
 322  */
 323 static void sdma_v4_4_2_page_ring_set_wptr(struct amdgpu_ring *ring)
 324 {
 325         struct amdgpu_device *adev = ring->adev;
 326
 327         if (ring->use_doorbell) {
 328                 u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs];
 329
 330                 /* XXX check if swapping is necessary on BE */
 331                 WRITE_ONCE(*wb, (ring->wptr << 2));
 332                 WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 333         } else {
 334                 uint64_t wptr = ring->wptr << 2;
 335
 336                 WREG32_SDMA(ring->me, regSDMA_PAGE_RB_WPTR,
 337                             lower_32_bits(wptr));
 338                 WREG32_SDMA(ring->me, regSDMA_PAGE_RB_WPTR_HI,
 339                             upper_32_bits(wptr));
 340         }
 341 }
 342
 343 static void sdma_v4_4_2_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
 344 {
 345         struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
 346         int i;
 347
 348         for (i = 0; i < count; i++)
 349                 if (sdma && sdma->burst_nop && (i == 0))
 350                         amdgpu_ring_write(ring, ring->funcs->nop |
 351                                 SDMA_PKT_NOP_HEADER_COUNT(count - 1));
 352                 else
 353                         amdgpu_ring_write(ring, ring->funcs->nop);
 354 }
 355
 356 /**
 357  * sdma_v4_4_2_ring_emit_ib - Schedule an IB on the DMA engine
 358  *
 359  * @ring: amdgpu ring pointer
 360  * @job: job to retrieve vmid from
 361  * @ib: IB object to schedule
 362  * @flags: unused
 363  *
 364  * Schedule an IB in the DMA ring.
 365  */
 366 static void sdma_v4_4_2_ring_emit_ib(struct amdgpu_ring *ring,
 367                                    struct amdgpu_job *job,
 368                                    struct amdgpu_ib *ib,
 369                                    uint32_t flags)
 370 {
 371         unsigned vmid = AMDGPU_JOB_GET_VMID(job);
 372
 373         /* IB packet must end on a 8 DW boundary */
 374         sdma_v4_4_2_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7);
 375
 376         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) |
 377                           SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf));
 378         /* base must be 32 byte aligned */
 379         amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0);
 380         amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
 381         amdgpu_ring_write(ring, ib->length_dw);
 382         amdgpu_ring_write(ring, 0);
 383         amdgpu_ring_write(ring, 0);
 384
 385 }
 386
 387 static void sdma_v4_4_2_wait_reg_mem(struct amdgpu_ring *ring,
 388                                    int mem_space, int hdp,
 389                                    uint32_t addr0, uint32_t addr1,
 390                                    uint32_t ref, uint32_t mask,
 391                                    uint32_t inv)
 392 {
 393         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
 394                           SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(hdp) |
 395                           SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(mem_space) |
 396                           SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */
 397         if (mem_space) {
 398                 /* memory */
 399                 amdgpu_ring_write(ring, addr0);
 400                 amdgpu_ring_write(ring, addr1);
 401         } else {
 402                 /* registers */
 403                 amdgpu_ring_write(ring, addr0 << 2);
 404                 amdgpu_ring_write(ring, addr1 << 2);
 405         }
 406         amdgpu_ring_write(ring, ref); /* reference */
 407         amdgpu_ring_write(ring, mask); /* mask */
 408         amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
 409                           SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(inv)); /* retry count, poll interval */
 410 }
 411
 412 /**
 413  * sdma_v4_4_2_ring_emit_hdp_flush - emit an hdp flush on the DMA ring
 414  *
 415  * @ring: amdgpu ring pointer
 416  *
 417  * Emit an hdp flush packet on the requested DMA ring.
 418  */
 419 static void sdma_v4_4_2_ring_emit_hdp_flush(struct amdgpu_ring *ring)
 420 {
 421         struct amdgpu_device *adev = ring->adev;
 422         u32 ref_and_mask = 0;
 423         const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg;
 424
 425         ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0
 426                        << (ring->me % adev->sdma.num_inst_per_aid);
 427
 428         sdma_v4_4_2_wait_reg_mem(ring, 0, 1,
 429                                adev->nbio.funcs->get_hdp_flush_done_offset(adev),
 430                                adev->nbio.funcs->get_hdp_flush_req_offset(adev),
 431                                ref_and_mask, ref_and_mask, 10);
 432 }
 433
 434 /**
 435  * sdma_v4_4_2_ring_emit_fence - emit a fence on the DMA ring
 436  *
 437  * @ring: amdgpu ring pointer
 438  * @addr: address
 439  * @seq: sequence number
 440  * @flags: fence related flags
 441  *
 442  * Add a DMA fence packet to the ring to write
 443  * the fence seq number and DMA trap packet to generate
 444  * an interrupt if needed.
 445  */
 446 static void sdma_v4_4_2_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
 447                                       unsigned flags)
 448 {
 449         bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
 450         /* write the fence */
 451         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE));
 452         /* zero in first two bits */
 453         BUG_ON(addr & 0x3);
 454         amdgpu_ring_write(ring, lower_32_bits(addr));
 455         amdgpu_ring_write(ring, upper_32_bits(addr));
 456         amdgpu_ring_write(ring, lower_32_bits(seq));
 457
 458         /* optionally write high bits as well */
 459         if (write64bit) {
 460                 addr += 4;
 461                 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE));
 462                 /* zero in first two bits */
 463                 BUG_ON(addr & 0x3);
 464                 amdgpu_ring_write(ring, lower_32_bits(addr));
 465                 amdgpu_ring_write(ring, upper_32_bits(addr));
 466                 amdgpu_ring_write(ring, upper_32_bits(seq));
 467         }
 468
 469         /* generate an interrupt */
 470         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP));
 471         amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0));
 472 }
 473
 474
 475 /**
 476  * sdma_v4_4_2_inst_gfx_stop - stop the gfx async dma engines
 477  *
 478  * @adev: amdgpu_device pointer
 479  * @inst_mask: mask of dma engine instances to be disabled
 480  *
 481  * Stop the gfx async dma ring buffers.
 482  */
 483 static void sdma_v4_4_2_inst_gfx_stop(struct amdgpu_device *adev,
 484                                       uint32_t inst_mask)
 485 {
 486         struct amdgpu_ring *sdma[AMDGPU_MAX_SDMA_INSTANCES];
 487         u32 doorbell_offset, doorbell;
 488         u32 rb_cntl, ib_cntl;
 489         int i;
 490
 491         for_each_inst(i, inst_mask) {
 492                 sdma[i] = &adev->sdma.instance[i].ring;
 493
 494                 rb_cntl = RREG32_SDMA(i, regSDMA_GFX_RB_CNTL);
 495                 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, RB_ENABLE, 0);
 496                 WREG32_SDMA(i, regSDMA_GFX_RB_CNTL, rb_cntl);
 497                 ib_cntl = RREG32_SDMA(i, regSDMA_GFX_IB_CNTL);
 498                 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_GFX_IB_CNTL, IB_ENABLE, 0);
 499                 WREG32_SDMA(i, regSDMA_GFX_IB_CNTL, ib_cntl);
 500
 501                 if (sdma[i]->use_doorbell) {
 502                         doorbell = RREG32_SDMA(i, regSDMA_GFX_DOORBELL);
 503                         doorbell_offset = RREG32_SDMA(i, regSDMA_GFX_DOORBELL_OFFSET);
 504
 505                         doorbell = REG_SET_FIELD(doorbell, SDMA_GFX_DOORBELL, ENABLE, 0);
 506                         doorbell_offset = REG_SET_FIELD(doorbell_offset,
 507                                         SDMA_GFX_DOORBELL_OFFSET,
 508                                         OFFSET, 0);
 509                         WREG32_SDMA(i, regSDMA_GFX_DOORBELL, doorbell);
 510                         WREG32_SDMA(i, regSDMA_GFX_DOORBELL_OFFSET, doorbell_offset);
 511                 }
 512         }
 513 }
 514
 515 /**
 516  * sdma_v4_4_2_inst_rlc_stop - stop the compute async dma engines
 517  *
 518  * @adev: amdgpu_device pointer
 519  * @inst_mask: mask of dma engine instances to be disabled
 520  *
 521  * Stop the compute async dma queues.
 522  */
 523 static void sdma_v4_4_2_inst_rlc_stop(struct amdgpu_device *adev,
 524                                       uint32_t inst_mask)
 525 {
 526         /* XXX todo */
 527 }
 528
 529 /**
 530  * sdma_v4_4_2_inst_page_stop - stop the page async dma engines
 531  *
 532  * @adev: amdgpu_device pointer
 533  * @inst_mask: mask of dma engine instances to be disabled
 534  *
 535  * Stop the page async dma ring buffers.
 536  */
 537 static void sdma_v4_4_2_inst_page_stop(struct amdgpu_device *adev,
 538                                        uint32_t inst_mask)
 539 {
 540         u32 rb_cntl, ib_cntl;
 541         int i;
 542
 543         for_each_inst(i, inst_mask) {
 544                 rb_cntl = RREG32_SDMA(i, regSDMA_PAGE_RB_CNTL);
 545                 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_PAGE_RB_CNTL,
 546                                         RB_ENABLE, 0);
 547                 WREG32_SDMA(i, regSDMA_PAGE_RB_CNTL, rb_cntl);
 548                 ib_cntl = RREG32_SDMA(i, regSDMA_PAGE_IB_CNTL);
 549                 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_PAGE_IB_CNTL,
 550                                         IB_ENABLE, 0);
 551                 WREG32_SDMA(i, regSDMA_PAGE_IB_CNTL, ib_cntl);
 552         }
 553 }
 554
 555 /**
 556  * sdma_v4_4_2_inst_ctx_switch_enable - stop the async dma engines context switch
 557  *
 558  * @adev: amdgpu_device pointer
 559  * @enable: enable/disable the DMA MEs context switch.
 560  * @inst_mask: mask of dma engine instances to be enabled
 561  *
 562  * Halt or unhalt the async dma engines context switch.
 563  */
 564 static void sdma_v4_4_2_inst_ctx_switch_enable(struct amdgpu_device *adev,
 565                                                bool enable, uint32_t inst_mask)
 566 {
 567         u32 f32_cntl, phase_quantum = 0;
 568         int i;
 569
 570         if (amdgpu_sdma_phase_quantum) {
 571                 unsigned value = amdgpu_sdma_phase_quantum;
 572                 unsigned unit = 0;
 573
 574                 while (value > (SDMA_PHASE0_QUANTUM__VALUE_MASK >>
 575                                 SDMA_PHASE0_QUANTUM__VALUE__SHIFT)) {
 576                         value = (value + 1) >> 1;
 577                         unit++;
 578                 }
 579                 if (unit > (SDMA_PHASE0_QUANTUM__UNIT_MASK >>
 580                             SDMA_PHASE0_QUANTUM__UNIT__SHIFT)) {
 581                         value = (SDMA_PHASE0_QUANTUM__VALUE_MASK >>
 582                                  SDMA_PHASE0_QUANTUM__VALUE__SHIFT);
 583                         unit = (SDMA_PHASE0_QUANTUM__UNIT_MASK >>
 584                                 SDMA_PHASE0_QUANTUM__UNIT__SHIFT);
 585                         WARN_ONCE(1,
 586                         "clamping sdma_phase_quantum to %uK clock cycles\n",
 587                                   value << unit);
 588                 }
 589                 phase_quantum =
 590                         value << SDMA_PHASE0_QUANTUM__VALUE__SHIFT |
 591                         unit  << SDMA_PHASE0_QUANTUM__UNIT__SHIFT;
 592         }
 593
 594         for_each_inst(i, inst_mask) {
 595                 f32_cntl = RREG32_SDMA(i, regSDMA_CNTL);
 596                 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA_CNTL,
 597                                 AUTO_CTXSW_ENABLE, enable ? 1 : 0);
 598                 if (enable && amdgpu_sdma_phase_quantum) {
 599                         WREG32_SDMA(i, regSDMA_PHASE0_QUANTUM, phase_quantum);
 600                         WREG32_SDMA(i, regSDMA_PHASE1_QUANTUM, phase_quantum);
 601                         WREG32_SDMA(i, regSDMA_PHASE2_QUANTUM, phase_quantum);
 602                 }
 603                 WREG32_SDMA(i, regSDMA_CNTL, f32_cntl);
 604
 605                 /* Extend page fault timeout to avoid interrupt storm */
 606                 WREG32_SDMA(i, regSDMA_UTCL1_TIMEOUT, 0x00800080);
 607         }
 608 }
 609
 610 /**
 611  * sdma_v4_4_2_inst_enable - stop the async dma engines
 612  *
 613  * @adev: amdgpu_device pointer
 614  * @enable: enable/disable the DMA MEs.
 615  * @inst_mask: mask of dma engine instances to be enabled
 616  *
 617  * Halt or unhalt the async dma engines.
 618  */
 619 static void sdma_v4_4_2_inst_enable(struct amdgpu_device *adev, bool enable,
 620                                     uint32_t inst_mask)
 621 {
 622         u32 f32_cntl;
 623         int i;
 624
 625         if (!enable) {
 626                 sdma_v4_4_2_inst_gfx_stop(adev, inst_mask);
 627                 sdma_v4_4_2_inst_rlc_stop(adev, inst_mask);
 628                 if (adev->sdma.has_page_queue)
 629                         sdma_v4_4_2_inst_page_stop(adev, inst_mask);
 630
 631                 /* SDMA FW needs to respond to FREEZE requests during reset.
 632                  * Keep it running during reset */
 633                 if (!amdgpu_sriov_vf(adev) && amdgpu_in_reset(adev))
 634                         return;
 635         }
 636
 637         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
 638                 return;
 639
 640         for_each_inst(i, inst_mask) {
 641                 f32_cntl = RREG32_SDMA(i, regSDMA_F32_CNTL);
 642                 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA_F32_CNTL, HALT, enable ? 0 : 1);
 643                 WREG32_SDMA(i, regSDMA_F32_CNTL, f32_cntl);
 644         }
 645 }
 646
 647 /*
 648  * sdma_v4_4_2_rb_cntl - get parameters for rb_cntl
 649  */
 650 static uint32_t sdma_v4_4_2_rb_cntl(struct amdgpu_ring *ring, uint32_t rb_cntl)
 651 {
 652         /* Set ring buffer size in dwords */
 653         uint32_t rb_bufsz = order_base_2(ring->ring_size / 4);
 654
 655         barrier(); /* work around https://llvm.org/pr42576 */
 656         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, RB_SIZE, rb_bufsz);
 657 #ifdef __BIG_ENDIAN
 658         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, RB_SWAP_ENABLE, 1);
 659         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL,
 660                                 RPTR_WRITEBACK_SWAP_ENABLE, 1);
 661 #endif
 662         return rb_cntl;
 663 }
 664
 665 /**
 666  * sdma_v4_4_2_gfx_resume - setup and start the async dma engines
 667  *
 668  * @adev: amdgpu_device pointer
 669  * @i: instance to resume
 670  *
 671  * Set up the gfx DMA ring buffers and enable them.
 672  * Returns 0 for success, error for failure.
 673  */
 674 static void sdma_v4_4_2_gfx_resume(struct amdgpu_device *adev, unsigned int i)
 675 {
 676         struct amdgpu_ring *ring = &adev->sdma.instance[i].ring;
 677         u32 rb_cntl, ib_cntl, wptr_poll_cntl;
 678         u32 wb_offset;
 679         u32 doorbell;
 680         u32 doorbell_offset;
 681         u64 wptr_gpu_addr;
 682
 683         wb_offset = (ring->rptr_offs * 4);
 684
 685         rb_cntl = RREG32_SDMA(i, regSDMA_GFX_RB_CNTL);
 686         rb_cntl = sdma_v4_4_2_rb_cntl(ring, rb_cntl);
 687         WREG32_SDMA(i, regSDMA_GFX_RB_CNTL, rb_cntl);
 688
 689         /* set the wb address whether it's enabled or not */
 690         WREG32_SDMA(i, regSDMA_GFX_RB_RPTR_ADDR_HI,
 691                upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF);
 692         WREG32_SDMA(i, regSDMA_GFX_RB_RPTR_ADDR_LO,
 693                lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC);
 694
 695         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL,
 696                                 RPTR_WRITEBACK_ENABLE, 1);
 697
 698         WREG32_SDMA(i, regSDMA_GFX_RB_BASE, ring->gpu_addr >> 8);
 699         WREG32_SDMA(i, regSDMA_GFX_RB_BASE_HI, ring->gpu_addr >> 40);
 700
 701         ring->wptr = 0;
 702
 703         /* before programing wptr to a less value, need set minor_ptr_update first */
 704         WREG32_SDMA(i, regSDMA_GFX_MINOR_PTR_UPDATE, 1);
 705
 706         /* Initialize the ring buffer's read and write pointers */
 707         WREG32_SDMA(i, regSDMA_GFX_RB_RPTR, 0);
 708         WREG32_SDMA(i, regSDMA_GFX_RB_RPTR_HI, 0);
 709         WREG32_SDMA(i, regSDMA_GFX_RB_WPTR, 0);
 710         WREG32_SDMA(i, regSDMA_GFX_RB_WPTR_HI, 0);
 711
 712         doorbell = RREG32_SDMA(i, regSDMA_GFX_DOORBELL);
 713         doorbell_offset = RREG32_SDMA(i, regSDMA_GFX_DOORBELL_OFFSET);
 714
 715         doorbell = REG_SET_FIELD(doorbell, SDMA_GFX_DOORBELL, ENABLE,
 716                                  ring->use_doorbell);
 717         doorbell_offset = REG_SET_FIELD(doorbell_offset,
 718                                         SDMA_GFX_DOORBELL_OFFSET,
 719                                         OFFSET, ring->doorbell_index);
 720         WREG32_SDMA(i, regSDMA_GFX_DOORBELL, doorbell);
 721         WREG32_SDMA(i, regSDMA_GFX_DOORBELL_OFFSET, doorbell_offset);
 722
 723         sdma_v4_4_2_ring_set_wptr(ring);
 724
 725         /* set minor_ptr_update to 0 after wptr programed */
 726         WREG32_SDMA(i, regSDMA_GFX_MINOR_PTR_UPDATE, 0);
 727
 728         /* setup the wptr shadow polling */
 729         wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
 730         WREG32_SDMA(i, regSDMA_GFX_RB_WPTR_POLL_ADDR_LO,
 731                     lower_32_bits(wptr_gpu_addr));
 732         WREG32_SDMA(i, regSDMA_GFX_RB_WPTR_POLL_ADDR_HI,
 733                     upper_32_bits(wptr_gpu_addr));
 734         wptr_poll_cntl = RREG32_SDMA(i, regSDMA_GFX_RB_WPTR_POLL_CNTL);
 735         wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
 736                                        SDMA_GFX_RB_WPTR_POLL_CNTL,
 737                                        F32_POLL_ENABLE, amdgpu_sriov_vf(adev)? 1 : 0);
 738         WREG32_SDMA(i, regSDMA_GFX_RB_WPTR_POLL_CNTL, wptr_poll_cntl);
 739
 740         /* enable DMA RB */
 741         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, RB_ENABLE, 1);
 742         WREG32_SDMA(i, regSDMA_GFX_RB_CNTL, rb_cntl);
 743
 744         ib_cntl = RREG32_SDMA(i, regSDMA_GFX_IB_CNTL);
 745         ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_GFX_IB_CNTL, IB_ENABLE, 1);
 746 #ifdef __BIG_ENDIAN
 747         ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_GFX_IB_CNTL, IB_SWAP_ENABLE, 1);
 748 #endif
 749         /* enable DMA IBs */
 750         WREG32_SDMA(i, regSDMA_GFX_IB_CNTL, ib_cntl);
 751 }
 752
 753 /**
 754  * sdma_v4_4_2_page_resume - setup and start the async dma engines
 755  *
 756  * @adev: amdgpu_device pointer
 757  * @i: instance to resume
 758  *
 759  * Set up the page DMA ring buffers and enable them.
 760  * Returns 0 for success, error for failure.
 761  */
 762 static void sdma_v4_4_2_page_resume(struct amdgpu_device *adev, unsigned int i)
 763 {
 764         struct amdgpu_ring *ring = &adev->sdma.instance[i].page;
 765         u32 rb_cntl, ib_cntl, wptr_poll_cntl;
 766         u32 wb_offset;
 767         u32 doorbell;
 768         u32 doorbell_offset;
 769         u64 wptr_gpu_addr;
 770
 771         wb_offset = (ring->rptr_offs * 4);
 772
 773         rb_cntl = RREG32_SDMA(i, regSDMA_PAGE_RB_CNTL);
 774         rb_cntl = sdma_v4_4_2_rb_cntl(ring, rb_cntl);
 775         WREG32_SDMA(i, regSDMA_PAGE_RB_CNTL, rb_cntl);
 776
 777         /* Initialize the ring buffer's read and write pointers */
 778         WREG32_SDMA(i, regSDMA_PAGE_RB_RPTR, 0);
 779         WREG32_SDMA(i, regSDMA_PAGE_RB_RPTR_HI, 0);
 780         WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR, 0);
 781         WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_HI, 0);
 782
 783         /* set the wb address whether it's enabled or not */
 784         WREG32_SDMA(i, regSDMA_PAGE_RB_RPTR_ADDR_HI,
 785                upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF);
 786         WREG32_SDMA(i, regSDMA_PAGE_RB_RPTR_ADDR_LO,
 787                lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC);
 788
 789         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_PAGE_RB_CNTL,
 790                                 RPTR_WRITEBACK_ENABLE, 1);
 791
 792         WREG32_SDMA(i, regSDMA_PAGE_RB_BASE, ring->gpu_addr >> 8);
 793         WREG32_SDMA(i, regSDMA_PAGE_RB_BASE_HI, ring->gpu_addr >> 40);
 794
 795         ring->wptr = 0;
 796
 797         /* before programing wptr to a less value, need set minor_ptr_update first */
 798         WREG32_SDMA(i, regSDMA_PAGE_MINOR_PTR_UPDATE, 1);
 799
 800         doorbell = RREG32_SDMA(i, regSDMA_PAGE_DOORBELL);
 801         doorbell_offset = RREG32_SDMA(i, regSDMA_PAGE_DOORBELL_OFFSET);
 802
 803         doorbell = REG_SET_FIELD(doorbell, SDMA_PAGE_DOORBELL, ENABLE,
 804                                  ring->use_doorbell);
 805         doorbell_offset = REG_SET_FIELD(doorbell_offset,
 806                                         SDMA_PAGE_DOORBELL_OFFSET,
 807                                         OFFSET, ring->doorbell_index);
 808         WREG32_SDMA(i, regSDMA_PAGE_DOORBELL, doorbell);
 809         WREG32_SDMA(i, regSDMA_PAGE_DOORBELL_OFFSET, doorbell_offset);
 810
 811         /* paging queue doorbell range is setup at sdma_v4_4_2_gfx_resume */
 812         sdma_v4_4_2_page_ring_set_wptr(ring);
 813
 814         /* set minor_ptr_update to 0 after wptr programed */
 815         WREG32_SDMA(i, regSDMA_PAGE_MINOR_PTR_UPDATE, 0);
 816
 817         /* setup the wptr shadow polling */
 818         wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
 819         WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_POLL_ADDR_LO,
 820                     lower_32_bits(wptr_gpu_addr));
 821         WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_POLL_ADDR_HI,
 822                     upper_32_bits(wptr_gpu_addr));
 823         wptr_poll_cntl = RREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_POLL_CNTL);
 824         wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
 825                                        SDMA_PAGE_RB_WPTR_POLL_CNTL,
 826                                        F32_POLL_ENABLE, amdgpu_sriov_vf(adev)? 1 : 0);
 827         WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_POLL_CNTL, wptr_poll_cntl);
 828
 829         /* enable DMA RB */
 830         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_PAGE_RB_CNTL, RB_ENABLE, 1);
 831         WREG32_SDMA(i, regSDMA_PAGE_RB_CNTL, rb_cntl);
 832
 833         ib_cntl = RREG32_SDMA(i, regSDMA_PAGE_IB_CNTL);
 834         ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_PAGE_IB_CNTL, IB_ENABLE, 1);
 835 #ifdef __BIG_ENDIAN
 836         ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_PAGE_IB_CNTL, IB_SWAP_ENABLE, 1);
 837 #endif
 838         /* enable DMA IBs */
 839         WREG32_SDMA(i, regSDMA_PAGE_IB_CNTL, ib_cntl);
 840 }
 841
 842 static void sdma_v4_4_2_init_pg(struct amdgpu_device *adev)
 843 {
 844
 845 }
 846
 847 /**
 848  * sdma_v4_4_2_inst_rlc_resume - setup and start the async dma engines
 849  *
 850  * @adev: amdgpu_device pointer
 851  * @inst_mask: mask of dma engine instances to be enabled
 852  *
 853  * Set up the compute DMA queues and enable them.
 854  * Returns 0 for success, error for failure.
 855  */
 856 static int sdma_v4_4_2_inst_rlc_resume(struct amdgpu_device *adev,
 857                                        uint32_t inst_mask)
 858 {
 859         sdma_v4_4_2_init_pg(adev);
 860
 861         return 0;
 862 }
 863
 864 /**
 865  * sdma_v4_4_2_inst_load_microcode - load the sDMA ME ucode
 866  *
 867  * @adev: amdgpu_device pointer
 868  * @inst_mask: mask of dma engine instances to be enabled
 869  *
 870  * Loads the sDMA0/1 ucode.
 871  * Returns 0 for success, -EINVAL if the ucode is not available.
 872  */
 873 static int sdma_v4_4_2_inst_load_microcode(struct amdgpu_device *adev,
 874                                            uint32_t inst_mask)
 875 {
 876         const struct sdma_firmware_header_v1_0 *hdr;
 877         const __le32 *fw_data;
 878         u32 fw_size;
 879         int i, j;
 880
 881         /* halt the MEs */
 882         sdma_v4_4_2_inst_enable(adev, false, inst_mask);
 883
 884         for_each_inst(i, inst_mask) {
 885                 if (!adev->sdma.instance[i].fw)
 886                         return -EINVAL;
 887
 888                 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
 889                 amdgpu_ucode_print_sdma_hdr(&hdr->header);
 890                 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
 891
 892                 fw_data = (const __le32 *)
 893                         (adev->sdma.instance[i].fw->data +
 894                                 le32_to_cpu(hdr->header.ucode_array_offset_bytes));
 895
 896                 WREG32_SDMA(i, regSDMA_UCODE_ADDR, 0);
 897
 898                 for (j = 0; j < fw_size; j++)
 899                         WREG32_SDMA(i, regSDMA_UCODE_DATA,
 900                                     le32_to_cpup(fw_data++));
 901
 902                 WREG32_SDMA(i, regSDMA_UCODE_ADDR,
 903                             adev->sdma.instance[i].fw_version);
 904         }
 905
 906         return 0;
 907 }
 908
 909 /**
 910  * sdma_v4_4_2_inst_start - setup and start the async dma engines
 911  *
 912  * @adev: amdgpu_device pointer
 913  * @inst_mask: mask of dma engine instances to be enabled
 914  *
 915  * Set up the DMA engines and enable them.
 916  * Returns 0 for success, error for failure.
 917  */
 918 static int sdma_v4_4_2_inst_start(struct amdgpu_device *adev,
 919                                   uint32_t inst_mask)
 920 {
 921         struct amdgpu_ring *ring;
 922         uint32_t tmp_mask;
 923         int i, r = 0;
 924
 925         if (amdgpu_sriov_vf(adev)) {
 926                 sdma_v4_4_2_inst_ctx_switch_enable(adev, false, inst_mask);
 927                 sdma_v4_4_2_inst_enable(adev, false, inst_mask);
 928         } else {
 929                 /* bypass sdma microcode loading on Gopher */
 930                 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP &&
 931                     adev->sdma.instance[0].fw) {
 932                         r = sdma_v4_4_2_inst_load_microcode(adev, inst_mask);
 933                         if (r)
 934                                 return r;
 935                 }
 936
 937                 /* unhalt the MEs */
 938                 sdma_v4_4_2_inst_enable(adev, true, inst_mask);
 939                 /* enable sdma ring preemption */
 940                 sdma_v4_4_2_inst_ctx_switch_enable(adev, true, inst_mask);
 941         }
 942
 943         /* start the gfx rings and rlc compute queues */
 944         tmp_mask = inst_mask;
 945         for_each_inst(i, tmp_mask) {
 946                 uint32_t temp;
 947
 948                 WREG32_SDMA(i, regSDMA_SEM_WAIT_FAIL_TIMER_CNTL, 0);
 949                 sdma_v4_4_2_gfx_resume(adev, i);
 950                 if (adev->sdma.has_page_queue)
 951                         sdma_v4_4_2_page_resume(adev, i);
 952
 953                 /* set utc l1 enable flag always to 1 */
 954                 temp = RREG32_SDMA(i, regSDMA_CNTL);
 955                 temp = REG_SET_FIELD(temp, SDMA_CNTL, UTC_L1_ENABLE, 1);
 956                 /* enable context empty interrupt during initialization */
 957                 temp = REG_SET_FIELD(temp, SDMA_CNTL, CTXEMPTY_INT_ENABLE, 1);
 958                 WREG32_SDMA(i, regSDMA_CNTL, temp);
 959
 960                 if (!amdgpu_sriov_vf(adev)) {
 961                         if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
 962                                 /* unhalt engine */
 963                                 temp = RREG32_SDMA(i, regSDMA_F32_CNTL);
 964                                 temp = REG_SET_FIELD(temp, SDMA_F32_CNTL, HALT, 0);
 965                                 WREG32_SDMA(i, regSDMA_F32_CNTL, temp);
 966                         }
 967                 }
 968         }
 969
 970         if (amdgpu_sriov_vf(adev)) {
 971                 sdma_v4_4_2_inst_ctx_switch_enable(adev, true, inst_mask);
 972                 sdma_v4_4_2_inst_enable(adev, true, inst_mask);
 973         } else {
 974                 r = sdma_v4_4_2_inst_rlc_resume(adev, inst_mask);
 975                 if (r)
 976                         return r;
 977         }
 978
 979         tmp_mask = inst_mask;
 980         for_each_inst(i, tmp_mask) {
 981                 ring = &adev->sdma.instance[i].ring;
 982
 983                 r = amdgpu_ring_test_helper(ring);
 984                 if (r)
 985                         return r;
 986
 987                 if (adev->sdma.has_page_queue) {
 988                         struct amdgpu_ring *page = &adev->sdma.instance[i].page;
 989
 990                         r = amdgpu_ring_test_helper(page);
 991                         if (r)
 992                                 return r;
 993                 }
 994         }
 995
 996         return r;
 997 }
 998
 999 /**
1000  * sdma_v4_4_2_ring_test_ring - simple async dma engine test
1001  *
1002  * @ring: amdgpu_ring structure holding ring information
1003  *
1004  * Test the DMA engine by writing using it to write an
1005  * value to memory.
1006  * Returns 0 for success, error for failure.
1007  */
1008 static int sdma_v4_4_2_ring_test_ring(struct amdgpu_ring *ring)
1009 {
1010         struct amdgpu_device *adev = ring->adev;
1011         unsigned i;
1012         unsigned index;
1013         int r;
1014         u32 tmp;
1015         u64 gpu_addr;
1016
1017         r = amdgpu_device_wb_get(adev, &index);
1018         if (r)
1019                 return r;
1020
1021         gpu_addr = adev->wb.gpu_addr + (index * 4);
1022         tmp = 0xCAFEDEAD;
1023         adev->wb.wb[index] = cpu_to_le32(tmp);
1024
1025         r = amdgpu_ring_alloc(ring, 5);
1026         if (r)
1027                 goto error_free_wb;
1028
1029         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1030                           SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR));
1031         amdgpu_ring_write(ring, lower_32_bits(gpu_addr));
1032         amdgpu_ring_write(ring, upper_32_bits(gpu_addr));
1033         amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0));
1034         amdgpu_ring_write(ring, 0xDEADBEEF);
1035         amdgpu_ring_commit(ring);
1036
1037         for (i = 0; i < adev->usec_timeout; i++) {
1038                 tmp = le32_to_cpu(adev->wb.wb[index]);
1039                 if (tmp == 0xDEADBEEF)
1040                         break;
1041                 udelay(1);
1042         }
1043
1044         if (i >= adev->usec_timeout)
1045                 r = -ETIMEDOUT;
1046
1047 error_free_wb:
1048         amdgpu_device_wb_free(adev, index);
1049         return r;
1050 }
1051
1052 /**
1053  * sdma_v4_4_2_ring_test_ib - test an IB on the DMA engine
1054  *
1055  * @ring: amdgpu_ring structure holding ring information
1056  * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
1057  *
1058  * Test a simple IB in the DMA ring.
1059  * Returns 0 on success, error on failure.
1060  */
1061 static int sdma_v4_4_2_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1062 {
1063         struct amdgpu_device *adev = ring->adev;
1064         struct amdgpu_ib ib;
1065         struct dma_fence *f = NULL;
1066         unsigned index;
1067         long r;
1068         u32 tmp = 0;
1069         u64 gpu_addr;
1070
1071         r = amdgpu_device_wb_get(adev, &index);
1072         if (r)
1073                 return r;
1074
1075         gpu_addr = adev->wb.gpu_addr + (index * 4);
1076         tmp = 0xCAFEDEAD;
1077         adev->wb.wb[index] = cpu_to_le32(tmp);
1078         memset(&ib, 0, sizeof(ib));
1079         r = amdgpu_ib_get(adev, NULL, 256,
1080                                         AMDGPU_IB_POOL_DIRECT, &ib);
1081         if (r)
1082                 goto err0;
1083
1084         ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1085                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1086         ib.ptr[1] = lower_32_bits(gpu_addr);
1087         ib.ptr[2] = upper_32_bits(gpu_addr);
1088         ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0);
1089         ib.ptr[4] = 0xDEADBEEF;
1090         ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1091         ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1092         ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1093         ib.length_dw = 8;
1094
1095         r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f);
1096         if (r)
1097                 goto err1;
1098
1099         r = dma_fence_wait_timeout(f, false, timeout);
1100         if (r == 0) {
1101                 r = -ETIMEDOUT;
1102                 goto err1;
1103         } else if (r < 0) {
1104                 goto err1;
1105         }
1106         tmp = le32_to_cpu(adev->wb.wb[index]);
1107         if (tmp == 0xDEADBEEF)
1108                 r = 0;
1109         else
1110                 r = -EINVAL;
1111
1112 err1:
1113         amdgpu_ib_free(adev, &ib, NULL);
1114         dma_fence_put(f);
1115 err0:
1116         amdgpu_device_wb_free(adev, index);
1117         return r;
1118 }
1119
1120
1121 /**
1122  * sdma_v4_4_2_vm_copy_pte - update PTEs by copying them from the GART
1123  *
1124  * @ib: indirect buffer to fill with commands
1125  * @pe: addr of the page entry
1126  * @src: src addr to copy from
1127  * @count: number of page entries to update
1128  *
1129  * Update PTEs by copying them from the GART using sDMA.
1130  */
1131 static void sdma_v4_4_2_vm_copy_pte(struct amdgpu_ib *ib,
1132                                   uint64_t pe, uint64_t src,
1133                                   unsigned count)
1134 {
1135         unsigned bytes = count * 8;
1136
1137         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
1138                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
1139         ib->ptr[ib->length_dw++] = bytes - 1;
1140         ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1141         ib->ptr[ib->length_dw++] = lower_32_bits(src);
1142         ib->ptr[ib->length_dw++] = upper_32_bits(src);
1143         ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1144         ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1145
1146 }
1147
1148 /**
1149  * sdma_v4_4_2_vm_write_pte - update PTEs by writing them manually
1150  *
1151  * @ib: indirect buffer to fill with commands
1152  * @pe: addr of the page entry
1153  * @value: dst addr to write into pe
1154  * @count: number of page entries to update
1155  * @incr: increase next addr by incr bytes
1156  *
1157  * Update PTEs by writing them manually using sDMA.
1158  */
1159 static void sdma_v4_4_2_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe,
1160                                    uint64_t value, unsigned count,
1161                                    uint32_t incr)
1162 {
1163         unsigned ndw = count * 2;
1164
1165         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1166                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1167         ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1168         ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1169         ib->ptr[ib->length_dw++] = ndw - 1;
1170         for (; ndw > 0; ndw -= 2) {
1171                 ib->ptr[ib->length_dw++] = lower_32_bits(value);
1172                 ib->ptr[ib->length_dw++] = upper_32_bits(value);
1173                 value += incr;
1174         }
1175 }
1176
1177 /**
1178  * sdma_v4_4_2_vm_set_pte_pde - update the page tables using sDMA
1179  *
1180  * @ib: indirect buffer to fill with commands
1181  * @pe: addr of the page entry
1182  * @addr: dst addr to write into pe
1183  * @count: number of page entries to update
1184  * @incr: increase next addr by incr bytes
1185  * @flags: access flags
1186  *
1187  * Update the page tables using sDMA.
1188  */
1189 static void sdma_v4_4_2_vm_set_pte_pde(struct amdgpu_ib *ib,
1190                                      uint64_t pe,
1191                                      uint64_t addr, unsigned count,
1192                                      uint32_t incr, uint64_t flags)
1193 {
1194         /* for physically contiguous pages (vram) */
1195         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE);
1196         ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */
1197         ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1198         ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */
1199         ib->ptr[ib->length_dw++] = upper_32_bits(flags);
1200         ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */
1201         ib->ptr[ib->length_dw++] = upper_32_bits(addr);
1202         ib->ptr[ib->length_dw++] = incr; /* increment size */
1203         ib->ptr[ib->length_dw++] = 0;
1204         ib->ptr[ib->length_dw++] = count - 1; /* number of entries */
1205 }
1206
1207 /**
1208  * sdma_v4_4_2_ring_pad_ib - pad the IB to the required number of dw
1209  *
1210  * @ring: amdgpu_ring structure holding ring information
1211  * @ib: indirect buffer to fill with padding
1212  */
1213 static void sdma_v4_4_2_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
1214 {
1215         struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
1216         u32 pad_count;
1217         int i;
1218
1219         pad_count = (-ib->length_dw) & 7;
1220         for (i = 0; i < pad_count; i++)
1221                 if (sdma && sdma->burst_nop && (i == 0))
1222                         ib->ptr[ib->length_dw++] =
1223                                 SDMA_PKT_HEADER_OP(SDMA_OP_NOP) |
1224                                 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1);
1225                 else
1226                         ib->ptr[ib->length_dw++] =
1227                                 SDMA_PKT_HEADER_OP(SDMA_OP_NOP);
1228 }
1229
1230
1231 /**
1232  * sdma_v4_4_2_ring_emit_pipeline_sync - sync the pipeline
1233  *
1234  * @ring: amdgpu_ring pointer
1235  *
1236  * Make sure all previous operations are completed (CIK).
1237  */
1238 static void sdma_v4_4_2_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
1239 {
1240         uint32_t seq = ring->fence_drv.sync_seq;
1241         uint64_t addr = ring->fence_drv.gpu_addr;
1242
1243         /* wait for idle */
1244         sdma_v4_4_2_wait_reg_mem(ring, 1, 0,
1245                                addr & 0xfffffffc,
1246                                upper_32_bits(addr) & 0xffffffff,
1247                                seq, 0xffffffff, 4);
1248 }
1249
1250
1251 /**
1252  * sdma_v4_4_2_ring_emit_vm_flush - vm flush using sDMA
1253  *
1254  * @ring: amdgpu_ring pointer
1255  * @vmid: vmid number to use
1256  * @pd_addr: address
1257  *
1258  * Update the page table base and flush the VM TLB
1259  * using sDMA.
1260  */
1261 static void sdma_v4_4_2_ring_emit_vm_flush(struct amdgpu_ring *ring,
1262                                          unsigned vmid, uint64_t pd_addr)
1263 {
1264         amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1265 }
1266
1267 static void sdma_v4_4_2_ring_emit_wreg(struct amdgpu_ring *ring,
1268                                      uint32_t reg, uint32_t val)
1269 {
1270         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
1271                           SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
1272         amdgpu_ring_write(ring, reg);
1273         amdgpu_ring_write(ring, val);
1274 }
1275
1276 static void sdma_v4_4_2_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1277                                          uint32_t val, uint32_t mask)
1278 {
1279         sdma_v4_4_2_wait_reg_mem(ring, 0, 0, reg, 0, val, mask, 10);
1280 }
1281
1282 static bool sdma_v4_4_2_fw_support_paging_queue(struct amdgpu_device *adev)
1283 {
1284         switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) {
1285         case IP_VERSION(4, 4, 2):
1286         case IP_VERSION(4, 4, 5):
1287                 return false;
1288         default:
1289                 return false;
1290         }
1291 }
1292
1293 static int sdma_v4_4_2_early_init(void *handle)
1294 {
1295         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1296         int r;
1297
1298         r = sdma_v4_4_2_init_microcode(adev);
1299         if (r)
1300                 return r;
1301
1302         /* TODO: Page queue breaks driver reload under SRIOV */
1303         if (sdma_v4_4_2_fw_support_paging_queue(adev))
1304                 adev->sdma.has_page_queue = true;
1305
1306         sdma_v4_4_2_set_ring_funcs(adev);
1307         sdma_v4_4_2_set_buffer_funcs(adev);
1308         sdma_v4_4_2_set_vm_pte_funcs(adev);
1309         sdma_v4_4_2_set_irq_funcs(adev);
1310         sdma_v4_4_2_set_ras_funcs(adev);
1311
1312         return 0;
1313 }
1314
1315 #if 0
1316 static int sdma_v4_4_2_process_ras_data_cb(struct amdgpu_device *adev,
1317                 void *err_data,
1318                 struct amdgpu_iv_entry *entry);
1319 #endif
1320
1321 static int sdma_v4_4_2_late_init(void *handle)
1322 {
1323         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1324 #if 0
1325         struct ras_ih_if ih_info = {
1326                 .cb = sdma_v4_4_2_process_ras_data_cb,
1327         };
1328 #endif
1329         if (!amdgpu_persistent_edc_harvesting_supported(adev))
1330                 amdgpu_ras_reset_error_count(adev, AMDGPU_RAS_BLOCK__SDMA);
1331
1332         return 0;
1333 }
1334
1335 static int sdma_v4_4_2_sw_init(void *handle)
1336 {
1337         struct amdgpu_ring *ring;
1338         int r, i;
1339         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1340         u32 aid_id;
1341         uint32_t reg_count = ARRAY_SIZE(sdma_reg_list_4_4_2);
1342         uint32_t *ptr;
1343
1344         /* SDMA trap event */
1345         for (i = 0; i < adev->sdma.num_inst_per_aid; i++) {
1346                 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i),
1347                                       SDMA0_4_0__SRCID__SDMA_TRAP,
1348                                       &adev->sdma.trap_irq);
1349                 if (r)
1350                         return r;
1351         }
1352
1353         /* SDMA SRAM ECC event */
1354         for (i = 0; i < adev->sdma.num_inst_per_aid; i++) {
1355                 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i),
1356                                       SDMA0_4_0__SRCID__SDMA_SRAM_ECC,
1357                                       &adev->sdma.ecc_irq);
1358                 if (r)
1359                         return r;
1360         }
1361
1362         /* SDMA VM_HOLE/DOORBELL_INV/POLL_TIMEOUT/SRBM_WRITE_PROTECTION event*/
1363         for (i = 0; i < adev->sdma.num_inst_per_aid; i++) {
1364                 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i),
1365                                       SDMA0_4_0__SRCID__SDMA_VM_HOLE,
1366                                       &adev->sdma.vm_hole_irq);
1367                 if (r)
1368                         return r;
1369
1370                 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i),
1371                                       SDMA0_4_0__SRCID__SDMA_DOORBELL_INVALID,
1372                                       &adev->sdma.doorbell_invalid_irq);
1373                 if (r)
1374                         return r;
1375
1376                 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i),
1377                                       SDMA0_4_0__SRCID__SDMA_POLL_TIMEOUT,
1378                                       &adev->sdma.pool_timeout_irq);
1379                 if (r)
1380                         return r;
1381
1382                 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i),
1383                                       SDMA0_4_0__SRCID__SDMA_SRBMWRITE,
1384                                       &adev->sdma.srbm_write_irq);
1385                 if (r)
1386                         return r;
1387         }
1388
1389         for (i = 0; i < adev->sdma.num_instances; i++) {
1390                 ring = &adev->sdma.instance[i].ring;
1391                 ring->ring_obj = NULL;
1392                 ring->use_doorbell = true;
1393                 aid_id = adev->sdma.instance[i].aid_id;
1394
1395                 DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i,
1396                                 ring->use_doorbell?"true":"false");
1397
1398                 /* doorbell size is 2 dwords, get DWORD offset */
1399                 ring->doorbell_index = adev->doorbell_index.sdma_engine[i] << 1;
1400                 ring->vm_hub = AMDGPU_MMHUB0(aid_id);
1401
1402                 sprintf(ring->name, "sdma%d.%d", aid_id,
1403                                 i % adev->sdma.num_inst_per_aid);
1404                 r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq,
1405                                      AMDGPU_SDMA_IRQ_INSTANCE0 + i,
1406                                      AMDGPU_RING_PRIO_DEFAULT, NULL);
1407                 if (r)
1408                         return r;
1409
1410                 if (adev->sdma.has_page_queue) {
1411                         ring = &adev->sdma.instance[i].page;
1412                         ring->ring_obj = NULL;
1413                         ring->use_doorbell = true;
1414
1415                         /* doorbell index of page queue is assigned right after
1416                          * gfx queue on the same instance
1417                          */
1418                         ring->doorbell_index =
1419                                 (adev->doorbell_index.sdma_engine[i] + 1) << 1;
1420                         ring->vm_hub = AMDGPU_MMHUB0(aid_id);
1421
1422                         sprintf(ring->name, "page%d.%d", aid_id,
1423                                         i % adev->sdma.num_inst_per_aid);
1424                         r = amdgpu_ring_init(adev, ring, 1024,
1425                                              &adev->sdma.trap_irq,
1426                                              AMDGPU_SDMA_IRQ_INSTANCE0 + i,
1427                                              AMDGPU_RING_PRIO_DEFAULT, NULL);
1428                         if (r)
1429                                 return r;
1430                 }
1431         }
1432
1433         if (amdgpu_sdma_ras_sw_init(adev)) {
1434                 dev_err(adev->dev, "fail to initialize sdma ras block\n");
1435                 return -EINVAL;
1436         }
1437
1438         /* Allocate memory for SDMA IP Dump buffer */
1439         ptr = kcalloc(adev->sdma.num_instances * reg_count, sizeof(uint32_t), GFP_KERNEL);
1440         if (ptr)
1441                 adev->sdma.ip_dump = ptr;
1442         else
1443                 DRM_ERROR("Failed to allocated memory for SDMA IP Dump\n");
1444
1445         return r;
1446 }
1447
1448 static int sdma_v4_4_2_sw_fini(void *handle)
1449 {
1450         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1451         int i;
1452
1453         for (i = 0; i < adev->sdma.num_instances; i++) {
1454                 amdgpu_ring_fini(&adev->sdma.instance[i].ring);
1455                 if (adev->sdma.has_page_queue)
1456                         amdgpu_ring_fini(&adev->sdma.instance[i].page);
1457         }
1458
1459         if (amdgpu_ip_version(adev, SDMA0_HWIP, 0) == IP_VERSION(4, 4, 2) ||
1460             amdgpu_ip_version(adev, SDMA0_HWIP, 0) == IP_VERSION(4, 4, 5))
1461                 amdgpu_sdma_destroy_inst_ctx(adev, true);
1462         else
1463                 amdgpu_sdma_destroy_inst_ctx(adev, false);
1464
1465         kfree(adev->sdma.ip_dump);
1466
1467         return 0;
1468 }
1469
1470 static int sdma_v4_4_2_hw_init(void *handle)
1471 {
1472         int r;
1473         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1474         uint32_t inst_mask;
1475
1476         inst_mask = GENMASK(adev->sdma.num_instances - 1, 0);
1477         if (!amdgpu_sriov_vf(adev))
1478                 sdma_v4_4_2_inst_init_golden_registers(adev, inst_mask);
1479
1480         r = sdma_v4_4_2_inst_start(adev, inst_mask);
1481
1482         return r;
1483 }
1484
1485 static int sdma_v4_4_2_hw_fini(void *handle)
1486 {
1487         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1488         uint32_t inst_mask;
1489         int i;
1490
1491         if (amdgpu_sriov_vf(adev))
1492                 return 0;
1493
1494         inst_mask = GENMASK(adev->sdma.num_instances - 1, 0);
1495         if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) {
1496                 for (i = 0; i < adev->sdma.num_instances; i++) {
1497                         amdgpu_irq_put(adev, &adev->sdma.ecc_irq,
1498                                        AMDGPU_SDMA_IRQ_INSTANCE0 + i);
1499                 }
1500         }
1501
1502         sdma_v4_4_2_inst_ctx_switch_enable(adev, false, inst_mask);
1503         sdma_v4_4_2_inst_enable(adev, false, inst_mask);
1504
1505         return 0;
1506 }
1507
1508 static int sdma_v4_4_2_set_clockgating_state(void *handle,
1509                                              enum amd_clockgating_state state);
1510
1511 static int sdma_v4_4_2_suspend(void *handle)
1512 {
1513         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1514
1515         if (amdgpu_in_reset(adev))
1516                 sdma_v4_4_2_set_clockgating_state(adev, AMD_CG_STATE_UNGATE);
1517
1518         return sdma_v4_4_2_hw_fini(adev);
1519 }
1520
1521 static int sdma_v4_4_2_resume(void *handle)
1522 {
1523         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1524
1525         return sdma_v4_4_2_hw_init(adev);
1526 }
1527
1528 static bool sdma_v4_4_2_is_idle(void *handle)
1529 {
1530         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1531         u32 i;
1532
1533         for (i = 0; i < adev->sdma.num_instances; i++) {
1534                 u32 tmp = RREG32_SDMA(i, regSDMA_STATUS_REG);
1535
1536                 if (!(tmp & SDMA_STATUS_REG__IDLE_MASK))
1537                         return false;
1538         }
1539
1540         return true;
1541 }
1542
1543 static int sdma_v4_4_2_wait_for_idle(void *handle)
1544 {
1545         unsigned i, j;
1546         u32 sdma[AMDGPU_MAX_SDMA_INSTANCES];
1547         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1548
1549         for (i = 0; i < adev->usec_timeout; i++) {
1550                 for (j = 0; j < adev->sdma.num_instances; j++) {
1551                         sdma[j] = RREG32_SDMA(j, regSDMA_STATUS_REG);
1552                         if (!(sdma[j] & SDMA_STATUS_REG__IDLE_MASK))
1553                                 break;
1554                 }
1555                 if (j == adev->sdma.num_instances)
1556                         return 0;
1557                 udelay(1);
1558         }
1559         return -ETIMEDOUT;
1560 }
1561
1562 static int sdma_v4_4_2_soft_reset(void *handle)
1563 {
1564         /* todo */
1565
1566         return 0;
1567 }
1568
1569 static int sdma_v4_4_2_set_trap_irq_state(struct amdgpu_device *adev,
1570                                         struct amdgpu_irq_src *source,
1571                                         unsigned type,
1572                                         enum amdgpu_interrupt_state state)
1573 {
1574         u32 sdma_cntl;
1575
1576         sdma_cntl = RREG32_SDMA(type, regSDMA_CNTL);
1577         sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA_CNTL, TRAP_ENABLE,
1578                        state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
1579         WREG32_SDMA(type, regSDMA_CNTL, sdma_cntl);
1580
1581         return 0;
1582 }
1583
1584 static int sdma_v4_4_2_process_trap_irq(struct amdgpu_device *adev,
1585                                       struct amdgpu_irq_src *source,
1586                                       struct amdgpu_iv_entry *entry)
1587 {
1588         uint32_t instance, i;
1589
1590         DRM_DEBUG("IH: SDMA trap\n");
1591         instance = sdma_v4_4_2_irq_id_to_seq(adev, entry->client_id);
1592
1593         /* Client id gives the SDMA instance in AID. To know the exact SDMA
1594          * instance, interrupt entry gives the node id which corresponds to the AID instance.
1595          * Match node id with the AID id associated with the SDMA instance. */
1596         for (i = instance; i < adev->sdma.num_instances;
1597              i += adev->sdma.num_inst_per_aid) {
1598                 if (adev->sdma.instance[i].aid_id ==
1599                     node_id_to_phys_map[entry->node_id])
1600                         break;
1601         }
1602
1603         if (i >= adev->sdma.num_instances) {
1604                 dev_WARN_ONCE(
1605                         adev->dev, 1,
1606                         "Couldn't find the right sdma instance in trap handler");
1607                 return 0;
1608         }
1609
1610         switch (entry->ring_id) {
1611         case 0:
1612                 amdgpu_fence_process(&adev->sdma.instance[i].ring);
1613                 break;
1614         default:
1615                 break;
1616         }
1617         return 0;
1618 }
1619
1620 #if 0
1621 static int sdma_v4_4_2_process_ras_data_cb(struct amdgpu_device *adev,
1622                 void *err_data,
1623                 struct amdgpu_iv_entry *entry)
1624 {
1625         int instance;
1626
1627         /* When “Full RAS” is enabled, the per-IP interrupt sources should
1628          * be disabled and the driver should only look for the aggregated
1629          * interrupt via sync flood
1630          */
1631         if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA))
1632                 goto out;
1633
1634         instance = sdma_v4_4_2_irq_id_to_seq(adev, entry->client_id);
1635         if (instance < 0)
1636                 goto out;
1637
1638         amdgpu_sdma_process_ras_data_cb(adev, err_data, entry);
1639
1640 out:
1641         return AMDGPU_RAS_SUCCESS;
1642 }
1643 #endif
1644
1645 static int sdma_v4_4_2_process_illegal_inst_irq(struct amdgpu_device *adev,
1646                                               struct amdgpu_irq_src *source,
1647                                               struct amdgpu_iv_entry *entry)
1648 {
1649         int instance;
1650
1651         DRM_ERROR("Illegal instruction in SDMA command stream\n");
1652
1653         instance = sdma_v4_4_2_irq_id_to_seq(adev, entry->client_id);
1654         if (instance < 0)
1655                 return 0;
1656
1657         switch (entry->ring_id) {
1658         case 0:
1659                 drm_sched_fault(&adev->sdma.instance[instance].ring.sched);
1660                 break;
1661         }
1662         return 0;
1663 }
1664
1665 static int sdma_v4_4_2_set_ecc_irq_state(struct amdgpu_device *adev,
1666                                         struct amdgpu_irq_src *source,
1667                                         unsigned type,
1668                                         enum amdgpu_interrupt_state state)
1669 {
1670         u32 sdma_cntl;
1671
1672         sdma_cntl = RREG32_SDMA(type, regSDMA_CNTL);
1673         sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA_CNTL, DRAM_ECC_INT_ENABLE,
1674                                         state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
1675         WREG32_SDMA(type, regSDMA_CNTL, sdma_cntl);
1676
1677         return 0;
1678 }
1679
1680 static int sdma_v4_4_2_print_iv_entry(struct amdgpu_device *adev,
1681                                               struct amdgpu_iv_entry *entry)
1682 {
1683         int instance;
1684         struct amdgpu_task_info *task_info;
1685         u64 addr;
1686
1687         instance = sdma_v4_4_2_irq_id_to_seq(adev, entry->client_id);
1688         if (instance < 0 || instance >= adev->sdma.num_instances) {
1689                 dev_err(adev->dev, "sdma instance invalid %d\n", instance);
1690                 return -EINVAL;
1691         }
1692
1693         addr = (u64)entry->src_data[0] << 12;
1694         addr |= ((u64)entry->src_data[1] & 0xf) << 44;
1695
1696         dev_dbg_ratelimited(adev->dev,
1697                             "[sdma%d] address:0x%016llx src_id:%u ring:%u vmid:%u pasid:%u\n",
1698                             instance, addr, entry->src_id, entry->ring_id, entry->vmid,
1699                             entry->pasid);
1700
1701         task_info = amdgpu_vm_get_task_info_pasid(adev, entry->pasid);
1702         if (task_info) {
1703                 dev_dbg_ratelimited(adev->dev, " for process %s pid %d thread %s pid %d\n",
1704                                     task_info->process_name, task_info->tgid,
1705                                     task_info->task_name, task_info->pid);
1706                 amdgpu_vm_put_task_info(task_info);
1707         }
1708
1709         return 0;
1710 }
1711
1712 static int sdma_v4_4_2_process_vm_hole_irq(struct amdgpu_device *adev,
1713                                               struct amdgpu_irq_src *source,
1714                                               struct amdgpu_iv_entry *entry)
1715 {
1716         dev_dbg_ratelimited(adev->dev, "MC or SEM address in VM hole\n");
1717         sdma_v4_4_2_print_iv_entry(adev, entry);
1718         return 0;
1719 }
1720
1721 static int sdma_v4_4_2_process_doorbell_invalid_irq(struct amdgpu_device *adev,
1722                                               struct amdgpu_irq_src *source,
1723                                               struct amdgpu_iv_entry *entry)
1724 {
1725
1726         dev_dbg_ratelimited(adev->dev, "SDMA received a doorbell from BIF with byte_enable !=0xff\n");
1727         sdma_v4_4_2_print_iv_entry(adev, entry);
1728         return 0;
1729 }
1730
1731 static int sdma_v4_4_2_process_pool_timeout_irq(struct amdgpu_device *adev,
1732                                               struct amdgpu_irq_src *source,
1733                                               struct amdgpu_iv_entry *entry)
1734 {
1735         dev_dbg_ratelimited(adev->dev,
1736                 "Polling register/memory timeout executing POLL_REG/MEM with finite timer\n");
1737         sdma_v4_4_2_print_iv_entry(adev, entry);
1738         return 0;
1739 }
1740
1741 static int sdma_v4_4_2_process_srbm_write_irq(struct amdgpu_device *adev,
1742                                               struct amdgpu_irq_src *source,
1743                                               struct amdgpu_iv_entry *entry)
1744 {
1745         dev_dbg_ratelimited(adev->dev,
1746                 "SDMA gets an Register Write SRBM_WRITE command in non-privilege command buffer\n");
1747         sdma_v4_4_2_print_iv_entry(adev, entry);
1748         return 0;
1749 }
1750
1751 static void sdma_v4_4_2_inst_update_medium_grain_light_sleep(
1752         struct amdgpu_device *adev, bool enable, uint32_t inst_mask)
1753 {
1754         uint32_t data, def;
1755         int i;
1756
1757         /* leave as default if it is not driver controlled */
1758         if (!(adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS))
1759                 return;
1760
1761         if (enable) {
1762                 for_each_inst(i, inst_mask) {
1763                         /* 1-not override: enable sdma mem light sleep */
1764                         def = data = RREG32_SDMA(i, regSDMA_POWER_CNTL);
1765                         data |= SDMA_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1766                         if (def != data)
1767                                 WREG32_SDMA(i, regSDMA_POWER_CNTL, data);
1768                 }
1769         } else {
1770                 for_each_inst(i, inst_mask) {
1771                         /* 0-override:disable sdma mem light sleep */
1772                         def = data = RREG32_SDMA(i, regSDMA_POWER_CNTL);
1773                         data &= ~SDMA_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1774                         if (def != data)
1775                                 WREG32_SDMA(i, regSDMA_POWER_CNTL, data);
1776                 }
1777         }
1778 }
1779
1780 static void sdma_v4_4_2_inst_update_medium_grain_clock_gating(
1781         struct amdgpu_device *adev, bool enable, uint32_t inst_mask)
1782 {
1783         uint32_t data, def;
1784         int i;
1785
1786         /* leave as default if it is not driver controlled */
1787         if (!(adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG))
1788                 return;
1789
1790         if (enable) {
1791                 for_each_inst(i, inst_mask) {
1792                         def = data = RREG32_SDMA(i, regSDMA_CLK_CTRL);
1793                         data &= ~(SDMA_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1794                                   SDMA_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1795                                   SDMA_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1796                                   SDMA_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1797                                   SDMA_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1798                                   SDMA_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1799                         if (def != data)
1800                                 WREG32_SDMA(i, regSDMA_CLK_CTRL, data);
1801                 }
1802         } else {
1803                 for_each_inst(i, inst_mask) {
1804                         def = data = RREG32_SDMA(i, regSDMA_CLK_CTRL);
1805                         data |= (SDMA_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1806                                  SDMA_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1807                                  SDMA_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1808                                  SDMA_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1809                                  SDMA_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1810                                  SDMA_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1811                         if (def != data)
1812                                 WREG32_SDMA(i, regSDMA_CLK_CTRL, data);
1813                 }
1814         }
1815 }
1816
1817 static int sdma_v4_4_2_set_clockgating_state(void *handle,
1818                                           enum amd_clockgating_state state)
1819 {
1820         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1821         uint32_t inst_mask;
1822
1823         if (amdgpu_sriov_vf(adev))
1824                 return 0;
1825
1826         inst_mask = GENMASK(adev->sdma.num_instances - 1, 0);
1827
1828         sdma_v4_4_2_inst_update_medium_grain_clock_gating(
1829                 adev, state == AMD_CG_STATE_GATE, inst_mask);
1830         sdma_v4_4_2_inst_update_medium_grain_light_sleep(
1831                 adev, state == AMD_CG_STATE_GATE, inst_mask);
1832         return 0;
1833 }
1834
1835 static int sdma_v4_4_2_set_powergating_state(void *handle,
1836                                           enum amd_powergating_state state)
1837 {
1838         return 0;
1839 }
1840
1841 static void sdma_v4_4_2_get_clockgating_state(void *handle, u64 *flags)
1842 {
1843         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1844         int data;
1845
1846         if (amdgpu_sriov_vf(adev))
1847                 *flags = 0;
1848
1849         /* AMD_CG_SUPPORT_SDMA_MGCG */
1850         data = RREG32(SOC15_REG_OFFSET(SDMA0, GET_INST(SDMA0, 0), regSDMA_CLK_CTRL));
1851         if (!(data & SDMA_CLK_CTRL__SOFT_OVERRIDE5_MASK))
1852                 *flags |= AMD_CG_SUPPORT_SDMA_MGCG;
1853
1854         /* AMD_CG_SUPPORT_SDMA_LS */
1855         data = RREG32(SOC15_REG_OFFSET(SDMA0, GET_INST(SDMA0, 0), regSDMA_POWER_CNTL));
1856         if (data & SDMA_POWER_CNTL__MEM_POWER_OVERRIDE_MASK)
1857                 *flags |= AMD_CG_SUPPORT_SDMA_LS;
1858 }
1859
1860 static void sdma_v4_4_2_print_ip_state(void *handle, struct drm_printer *p)
1861 {
1862         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1863         int i, j;
1864         uint32_t reg_count = ARRAY_SIZE(sdma_reg_list_4_4_2);
1865         uint32_t instance_offset;
1866
1867         if (!adev->sdma.ip_dump)
1868                 return;
1869
1870         drm_printf(p, "num_instances:%d\n", adev->sdma.num_instances);
1871         for (i = 0; i < adev->sdma.num_instances; i++) {
1872                 instance_offset = i * reg_count;
1873                 drm_printf(p, "\nInstance:%d\n", i);
1874
1875                 for (j = 0; j < reg_count; j++)
1876                         drm_printf(p, "%-50s \t 0x%08x\n", sdma_reg_list_4_4_2[j].reg_name,
1877                                    adev->sdma.ip_dump[instance_offset + j]);
1878         }
1879 }
1880
1881 static void sdma_v4_4_2_dump_ip_state(void *handle)
1882 {
1883         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1884         int i, j;
1885         uint32_t instance_offset;
1886         uint32_t reg_count = ARRAY_SIZE(sdma_reg_list_4_4_2);
1887
1888         if (!adev->sdma.ip_dump)
1889                 return;
1890
1891         amdgpu_gfx_off_ctrl(adev, false);
1892         for (i = 0; i < adev->sdma.num_instances; i++) {
1893                 instance_offset = i * reg_count;
1894                 for (j = 0; j < reg_count; j++)
1895                         adev->sdma.ip_dump[instance_offset + j] =
1896                                 RREG32(sdma_v4_4_2_get_reg_offset(adev, i,
1897                                        sdma_reg_list_4_4_2[j].reg_offset));
1898         }
1899         amdgpu_gfx_off_ctrl(adev, true);
1900 }
1901
1902 const struct amd_ip_funcs sdma_v4_4_2_ip_funcs = {
1903         .name = "sdma_v4_4_2",
1904         .early_init = sdma_v4_4_2_early_init,
1905         .late_init = sdma_v4_4_2_late_init,
1906         .sw_init = sdma_v4_4_2_sw_init,
1907         .sw_fini = sdma_v4_4_2_sw_fini,
1908         .hw_init = sdma_v4_4_2_hw_init,
1909         .hw_fini = sdma_v4_4_2_hw_fini,
1910         .suspend = sdma_v4_4_2_suspend,
1911         .resume = sdma_v4_4_2_resume,
1912         .is_idle = sdma_v4_4_2_is_idle,
1913         .wait_for_idle = sdma_v4_4_2_wait_for_idle,
1914         .soft_reset = sdma_v4_4_2_soft_reset,
1915         .set_clockgating_state = sdma_v4_4_2_set_clockgating_state,
1916         .set_powergating_state = sdma_v4_4_2_set_powergating_state,
1917         .get_clockgating_state = sdma_v4_4_2_get_clockgating_state,
1918         .dump_ip_state = sdma_v4_4_2_dump_ip_state,
1919         .print_ip_state = sdma_v4_4_2_print_ip_state,
1920 };
1921
1922 static const struct amdgpu_ring_funcs sdma_v4_4_2_ring_funcs = {
1923         .type = AMDGPU_RING_TYPE_SDMA,
1924         .align_mask = 0xff,
1925         .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
1926         .support_64bit_ptrs = true,
1927         .get_rptr = sdma_v4_4_2_ring_get_rptr,
1928         .get_wptr = sdma_v4_4_2_ring_get_wptr,
1929         .set_wptr = sdma_v4_4_2_ring_set_wptr,
1930         .emit_frame_size =
1931                 6 + /* sdma_v4_4_2_ring_emit_hdp_flush */
1932                 3 + /* hdp invalidate */
1933                 6 + /* sdma_v4_4_2_ring_emit_pipeline_sync */
1934                 /* sdma_v4_4_2_ring_emit_vm_flush */
1935                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1936                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
1937                 10 + 10 + 10, /* sdma_v4_4_2_ring_emit_fence x3 for user fence, vm fence */
1938         .emit_ib_size = 7 + 6, /* sdma_v4_4_2_ring_emit_ib */
1939         .emit_ib = sdma_v4_4_2_ring_emit_ib,
1940         .emit_fence = sdma_v4_4_2_ring_emit_fence,
1941         .emit_pipeline_sync = sdma_v4_4_2_ring_emit_pipeline_sync,
1942         .emit_vm_flush = sdma_v4_4_2_ring_emit_vm_flush,
1943         .emit_hdp_flush = sdma_v4_4_2_ring_emit_hdp_flush,
1944         .test_ring = sdma_v4_4_2_ring_test_ring,
1945         .test_ib = sdma_v4_4_2_ring_test_ib,
1946         .insert_nop = sdma_v4_4_2_ring_insert_nop,
1947         .pad_ib = sdma_v4_4_2_ring_pad_ib,
1948         .emit_wreg = sdma_v4_4_2_ring_emit_wreg,
1949         .emit_reg_wait = sdma_v4_4_2_ring_emit_reg_wait,
1950         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1951 };
1952
1953 static const struct amdgpu_ring_funcs sdma_v4_4_2_page_ring_funcs = {
1954         .type = AMDGPU_RING_TYPE_SDMA,
1955         .align_mask = 0xff,
1956         .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
1957         .support_64bit_ptrs = true,
1958         .get_rptr = sdma_v4_4_2_ring_get_rptr,
1959         .get_wptr = sdma_v4_4_2_page_ring_get_wptr,
1960         .set_wptr = sdma_v4_4_2_page_ring_set_wptr,
1961         .emit_frame_size =
1962                 6 + /* sdma_v4_4_2_ring_emit_hdp_flush */
1963                 3 + /* hdp invalidate */
1964                 6 + /* sdma_v4_4_2_ring_emit_pipeline_sync */
1965                 /* sdma_v4_4_2_ring_emit_vm_flush */
1966                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1967                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
1968                 10 + 10 + 10, /* sdma_v4_4_2_ring_emit_fence x3 for user fence, vm fence */
1969         .emit_ib_size = 7 + 6, /* sdma_v4_4_2_ring_emit_ib */
1970         .emit_ib = sdma_v4_4_2_ring_emit_ib,
1971         .emit_fence = sdma_v4_4_2_ring_emit_fence,
1972         .emit_pipeline_sync = sdma_v4_4_2_ring_emit_pipeline_sync,
1973         .emit_vm_flush = sdma_v4_4_2_ring_emit_vm_flush,
1974         .emit_hdp_flush = sdma_v4_4_2_ring_emit_hdp_flush,
1975         .test_ring = sdma_v4_4_2_ring_test_ring,
1976         .test_ib = sdma_v4_4_2_ring_test_ib,
1977         .insert_nop = sdma_v4_4_2_ring_insert_nop,
1978         .pad_ib = sdma_v4_4_2_ring_pad_ib,
1979         .emit_wreg = sdma_v4_4_2_ring_emit_wreg,
1980         .emit_reg_wait = sdma_v4_4_2_ring_emit_reg_wait,
1981         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1982 };
1983
1984 static void sdma_v4_4_2_set_ring_funcs(struct amdgpu_device *adev)
1985 {
1986         int i, dev_inst;
1987
1988         for (i = 0; i < adev->sdma.num_instances; i++) {
1989                 adev->sdma.instance[i].ring.funcs = &sdma_v4_4_2_ring_funcs;
1990                 adev->sdma.instance[i].ring.me = i;
1991                 if (adev->sdma.has_page_queue) {
1992                         adev->sdma.instance[i].page.funcs =
1993                                 &sdma_v4_4_2_page_ring_funcs;
1994                         adev->sdma.instance[i].page.me = i;
1995                 }
1996
1997                 dev_inst = GET_INST(SDMA0, i);
1998                 /* AID to which SDMA belongs depends on physical instance */
1999                 adev->sdma.instance[i].aid_id =
2000                         dev_inst / adev->sdma.num_inst_per_aid;
2001         }
2002 }
2003
2004 static const struct amdgpu_irq_src_funcs sdma_v4_4_2_trap_irq_funcs = {
2005         .set = sdma_v4_4_2_set_trap_irq_state,
2006         .process = sdma_v4_4_2_process_trap_irq,
2007 };
2008
2009 static const struct amdgpu_irq_src_funcs sdma_v4_4_2_illegal_inst_irq_funcs = {
2010         .process = sdma_v4_4_2_process_illegal_inst_irq,
2011 };
2012
2013 static const struct amdgpu_irq_src_funcs sdma_v4_4_2_ecc_irq_funcs = {
2014         .set = sdma_v4_4_2_set_ecc_irq_state,
2015         .process = amdgpu_sdma_process_ecc_irq,
2016 };
2017
2018 static const struct amdgpu_irq_src_funcs sdma_v4_4_2_vm_hole_irq_funcs = {
2019         .process = sdma_v4_4_2_process_vm_hole_irq,
2020 };
2021
2022 static const struct amdgpu_irq_src_funcs sdma_v4_4_2_doorbell_invalid_irq_funcs = {
2023         .process = sdma_v4_4_2_process_doorbell_invalid_irq,
2024 };
2025
2026 static const struct amdgpu_irq_src_funcs sdma_v4_4_2_pool_timeout_irq_funcs = {
2027         .process = sdma_v4_4_2_process_pool_timeout_irq,
2028 };
2029
2030 static const struct amdgpu_irq_src_funcs sdma_v4_4_2_srbm_write_irq_funcs = {
2031         .process = sdma_v4_4_2_process_srbm_write_irq,
2032 };
2033
2034 static void sdma_v4_4_2_set_irq_funcs(struct amdgpu_device *adev)
2035 {
2036         adev->sdma.trap_irq.num_types = adev->sdma.num_instances;
2037         adev->sdma.ecc_irq.num_types = adev->sdma.num_instances;
2038         adev->sdma.vm_hole_irq.num_types = adev->sdma.num_instances;
2039         adev->sdma.doorbell_invalid_irq.num_types = adev->sdma.num_instances;
2040         adev->sdma.pool_timeout_irq.num_types = adev->sdma.num_instances;
2041         adev->sdma.srbm_write_irq.num_types = adev->sdma.num_instances;
2042
2043         adev->sdma.trap_irq.funcs = &sdma_v4_4_2_trap_irq_funcs;
2044         adev->sdma.illegal_inst_irq.funcs = &sdma_v4_4_2_illegal_inst_irq_funcs;
2045         adev->sdma.ecc_irq.funcs = &sdma_v4_4_2_ecc_irq_funcs;
2046         adev->sdma.vm_hole_irq.funcs = &sdma_v4_4_2_vm_hole_irq_funcs;
2047         adev->sdma.doorbell_invalid_irq.funcs = &sdma_v4_4_2_doorbell_invalid_irq_funcs;
2048         adev->sdma.pool_timeout_irq.funcs = &sdma_v4_4_2_pool_timeout_irq_funcs;
2049         adev->sdma.srbm_write_irq.funcs = &sdma_v4_4_2_srbm_write_irq_funcs;
2050 }
2051
2052 /**
2053  * sdma_v4_4_2_emit_copy_buffer - copy buffer using the sDMA engine
2054  *
2055  * @ib: indirect buffer to copy to
2056  * @src_offset: src GPU address
2057  * @dst_offset: dst GPU address
2058  * @byte_count: number of bytes to xfer
2059  * @copy_flags: copy flags for the buffers
2060  *
2061  * Copy GPU buffers using the DMA engine.
2062  * Used by the amdgpu ttm implementation to move pages if
2063  * registered as the asic copy callback.
2064  */
2065 static void sdma_v4_4_2_emit_copy_buffer(struct amdgpu_ib *ib,
2066                                        uint64_t src_offset,
2067                                        uint64_t dst_offset,
2068                                        uint32_t byte_count,
2069                                        uint32_t copy_flags)
2070 {
2071         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
2072                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) |
2073                 SDMA_PKT_COPY_LINEAR_HEADER_TMZ((copy_flags & AMDGPU_COPY_FLAGS_TMZ) ? 1 : 0);
2074         ib->ptr[ib->length_dw++] = byte_count - 1;
2075         ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
2076         ib->ptr[ib->length_dw++] = lower_32_bits(src_offset);
2077         ib->ptr[ib->length_dw++] = upper_32_bits(src_offset);
2078         ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
2079         ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
2080 }
2081
2082 /**
2083  * sdma_v4_4_2_emit_fill_buffer - fill buffer using the sDMA engine
2084  *
2085  * @ib: indirect buffer to copy to
2086  * @src_data: value to write to buffer
2087  * @dst_offset: dst GPU address
2088  * @byte_count: number of bytes to xfer
2089  *
2090  * Fill GPU buffers using the DMA engine.
2091  */
2092 static void sdma_v4_4_2_emit_fill_buffer(struct amdgpu_ib *ib,
2093                                        uint32_t src_data,
2094                                        uint64_t dst_offset,
2095                                        uint32_t byte_count)
2096 {
2097         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL);
2098         ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
2099         ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
2100         ib->ptr[ib->length_dw++] = src_data;
2101         ib->ptr[ib->length_dw++] = byte_count - 1;
2102 }
2103
2104 static const struct amdgpu_buffer_funcs sdma_v4_4_2_buffer_funcs = {
2105         .copy_max_bytes = 0x400000,
2106         .copy_num_dw = 7,
2107         .emit_copy_buffer = sdma_v4_4_2_emit_copy_buffer,
2108
2109         .fill_max_bytes = 0x400000,
2110         .fill_num_dw = 5,
2111         .emit_fill_buffer = sdma_v4_4_2_emit_fill_buffer,
2112 };
2113
2114 static void sdma_v4_4_2_set_buffer_funcs(struct amdgpu_device *adev)
2115 {
2116         adev->mman.buffer_funcs = &sdma_v4_4_2_buffer_funcs;
2117         if (adev->sdma.has_page_queue)
2118                 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].page;
2119         else
2120                 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
2121 }
2122
2123 static const struct amdgpu_vm_pte_funcs sdma_v4_4_2_vm_pte_funcs = {
2124         .copy_pte_num_dw = 7,
2125         .copy_pte = sdma_v4_4_2_vm_copy_pte,
2126
2127         .write_pte = sdma_v4_4_2_vm_write_pte,
2128         .set_pte_pde = sdma_v4_4_2_vm_set_pte_pde,
2129 };
2130
2131 static void sdma_v4_4_2_set_vm_pte_funcs(struct amdgpu_device *adev)
2132 {
2133         struct drm_gpu_scheduler *sched;
2134         unsigned i;
2135
2136         adev->vm_manager.vm_pte_funcs = &sdma_v4_4_2_vm_pte_funcs;
2137         for (i = 0; i < adev->sdma.num_instances; i++) {
2138                 if (adev->sdma.has_page_queue)
2139                         sched = &adev->sdma.instance[i].page.sched;
2140                 else
2141                         sched = &adev->sdma.instance[i].ring.sched;
2142                 adev->vm_manager.vm_pte_scheds[i] = sched;
2143         }
2144         adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances;
2145 }
2146
2147 const struct amdgpu_ip_block_version sdma_v4_4_2_ip_block = {
2148         .type = AMD_IP_BLOCK_TYPE_SDMA,
2149         .major = 4,
2150         .minor = 4,
2151         .rev = 2,
2152         .funcs = &sdma_v4_4_2_ip_funcs,
2153 };
2154
2155 static int sdma_v4_4_2_xcp_resume(void *handle, uint32_t inst_mask)
2156 {
2157         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2158         int r;
2159
2160         if (!amdgpu_sriov_vf(adev))
2161                 sdma_v4_4_2_inst_init_golden_registers(adev, inst_mask);
2162
2163         r = sdma_v4_4_2_inst_start(adev, inst_mask);
2164
2165         return r;
2166 }
2167
2168 static int sdma_v4_4_2_xcp_suspend(void *handle, uint32_t inst_mask)
2169 {
2170         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2171         uint32_t tmp_mask = inst_mask;
2172         int i;
2173
2174         if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) {
2175                 for_each_inst(i, tmp_mask) {
2176                         amdgpu_irq_put(adev, &adev->sdma.ecc_irq,
2177                                        AMDGPU_SDMA_IRQ_INSTANCE0 + i);
2178                 }
2179         }
2180
2181         sdma_v4_4_2_inst_ctx_switch_enable(adev, false, inst_mask);
2182         sdma_v4_4_2_inst_enable(adev, false, inst_mask);
2183
2184         return 0;
2185 }
2186
2187 struct amdgpu_xcp_ip_funcs sdma_v4_4_2_xcp_funcs = {
2188         .suspend = &sdma_v4_4_2_xcp_suspend,
2189         .resume = &sdma_v4_4_2_xcp_resume
2190 };
2191
2192 static const struct amdgpu_ras_err_status_reg_entry sdma_v4_2_2_ue_reg_list[] = {
2193         {AMDGPU_RAS_REG_ENTRY(SDMA0, 0, regSDMA_UE_ERR_STATUS_LO, regSDMA_UE_ERR_STATUS_HI),
2194         1, (AMDGPU_RAS_ERR_INFO_VALID | AMDGPU_RAS_ERR_STATUS_VALID), "SDMA"},
2195 };
2196
2197 static const struct amdgpu_ras_memory_id_entry sdma_v4_4_2_ras_memory_list[] = {
2198         {AMDGPU_SDMA_MBANK_DATA_BUF0, "SDMA_MBANK_DATA_BUF0"},
2199         {AMDGPU_SDMA_MBANK_DATA_BUF1, "SDMA_MBANK_DATA_BUF1"},
2200         {AMDGPU_SDMA_MBANK_DATA_BUF2, "SDMA_MBANK_DATA_BUF2"},
2201         {AMDGPU_SDMA_MBANK_DATA_BUF3, "SDMA_MBANK_DATA_BUF3"},
2202         {AMDGPU_SDMA_MBANK_DATA_BUF4, "SDMA_MBANK_DATA_BUF4"},
2203         {AMDGPU_SDMA_MBANK_DATA_BUF5, "SDMA_MBANK_DATA_BUF5"},
2204         {AMDGPU_SDMA_MBANK_DATA_BUF6, "SDMA_MBANK_DATA_BUF6"},
2205         {AMDGPU_SDMA_MBANK_DATA_BUF7, "SDMA_MBANK_DATA_BUF7"},
2206         {AMDGPU_SDMA_MBANK_DATA_BUF8, "SDMA_MBANK_DATA_BUF8"},
2207         {AMDGPU_SDMA_MBANK_DATA_BUF9, "SDMA_MBANK_DATA_BUF9"},
2208         {AMDGPU_SDMA_MBANK_DATA_BUF10, "SDMA_MBANK_DATA_BUF10"},
2209         {AMDGPU_SDMA_MBANK_DATA_BUF11, "SDMA_MBANK_DATA_BUF11"},
2210         {AMDGPU_SDMA_MBANK_DATA_BUF12, "SDMA_MBANK_DATA_BUF12"},
2211         {AMDGPU_SDMA_MBANK_DATA_BUF13, "SDMA_MBANK_DATA_BUF13"},
2212         {AMDGPU_SDMA_MBANK_DATA_BUF14, "SDMA_MBANK_DATA_BUF14"},
2213         {AMDGPU_SDMA_MBANK_DATA_BUF15, "SDMA_MBANK_DATA_BUF15"},
2214         {AMDGPU_SDMA_UCODE_BUF, "SDMA_UCODE_BUF"},
2215         {AMDGPU_SDMA_RB_CMD_BUF, "SDMA_RB_CMD_BUF"},
2216         {AMDGPU_SDMA_IB_CMD_BUF, "SDMA_IB_CMD_BUF"},
2217         {AMDGPU_SDMA_UTCL1_RD_FIFO, "SDMA_UTCL1_RD_FIFO"},
2218         {AMDGPU_SDMA_UTCL1_RDBST_FIFO, "SDMA_UTCL1_RDBST_FIFO"},
2219         {AMDGPU_SDMA_UTCL1_WR_FIFO, "SDMA_UTCL1_WR_FIFO"},
2220         {AMDGPU_SDMA_DATA_LUT_FIFO, "SDMA_DATA_LUT_FIFO"},
2221         {AMDGPU_SDMA_SPLIT_DAT_BUF, "SDMA_SPLIT_DAT_BUF"},
2222 };
2223
2224 static void sdma_v4_4_2_inst_query_ras_error_count(struct amdgpu_device *adev,
2225                                                    uint32_t sdma_inst,
2226                                                    void *ras_err_status)
2227 {
2228         struct ras_err_data *err_data = (struct ras_err_data *)ras_err_status;
2229         uint32_t sdma_dev_inst = GET_INST(SDMA0, sdma_inst);
2230         unsigned long ue_count = 0;
2231         struct amdgpu_smuio_mcm_config_info mcm_info = {
2232                 .socket_id = adev->smuio.funcs->get_socket_id(adev),
2233                 .die_id = adev->sdma.instance[sdma_inst].aid_id,
2234         };
2235
2236         /* sdma v4_4_2 doesn't support query ce counts */
2237         amdgpu_ras_inst_query_ras_error_count(adev,
2238                                         sdma_v4_2_2_ue_reg_list,
2239                                         ARRAY_SIZE(sdma_v4_2_2_ue_reg_list),
2240                                         sdma_v4_4_2_ras_memory_list,
2241                                         ARRAY_SIZE(sdma_v4_4_2_ras_memory_list),
2242                                         sdma_dev_inst,
2243                                         AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE,
2244                                         &ue_count);
2245
2246         amdgpu_ras_error_statistic_ue_count(err_data, &mcm_info, ue_count);
2247 }
2248
2249 static void sdma_v4_4_2_query_ras_error_count(struct amdgpu_device *adev,
2250                                               void *ras_err_status)
2251 {
2252         uint32_t inst_mask;
2253         int i = 0;
2254
2255         inst_mask = GENMASK(adev->sdma.num_instances - 1, 0);
2256         if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) {
2257                 for_each_inst(i, inst_mask)
2258                         sdma_v4_4_2_inst_query_ras_error_count(adev, i, ras_err_status);
2259         } else {
2260                 dev_warn(adev->dev, "SDMA RAS is not supported\n");
2261         }
2262 }
2263
2264 static void sdma_v4_4_2_inst_reset_ras_error_count(struct amdgpu_device *adev,
2265                                                    uint32_t sdma_inst)
2266 {
2267         uint32_t sdma_dev_inst = GET_INST(SDMA0, sdma_inst);
2268
2269         amdgpu_ras_inst_reset_ras_error_count(adev,
2270                                         sdma_v4_2_2_ue_reg_list,
2271                                         ARRAY_SIZE(sdma_v4_2_2_ue_reg_list),
2272                                         sdma_dev_inst);
2273 }
2274
2275 static void sdma_v4_4_2_reset_ras_error_count(struct amdgpu_device *adev)
2276 {
2277         uint32_t inst_mask;
2278         int i = 0;
2279
2280         inst_mask = GENMASK(adev->sdma.num_instances - 1, 0);
2281         if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) {
2282                 for_each_inst(i, inst_mask)
2283                         sdma_v4_4_2_inst_reset_ras_error_count(adev, i);
2284         } else {
2285                 dev_warn(adev->dev, "SDMA RAS is not supported\n");
2286         }
2287 }
2288
2289 static const struct amdgpu_ras_block_hw_ops sdma_v4_4_2_ras_hw_ops = {
2290         .query_ras_error_count = sdma_v4_4_2_query_ras_error_count,
2291         .reset_ras_error_count = sdma_v4_4_2_reset_ras_error_count,
2292 };
2293
2294 static int sdma_v4_4_2_aca_bank_parser(struct aca_handle *handle, struct aca_bank *bank,
2295                                        enum aca_smu_type type, void *data)
2296 {
2297         struct aca_bank_info info;
2298         u64 misc0;
2299         int ret;
2300
2301         ret = aca_bank_info_decode(bank, &info);
2302         if (ret)
2303                 return ret;
2304
2305         misc0 = bank->regs[ACA_REG_IDX_MISC0];
2306         switch (type) {
2307         case ACA_SMU_TYPE_UE:
2308                 ret = aca_error_cache_log_bank_error(handle, &info, ACA_ERROR_TYPE_UE,
2309                                                      1ULL);
2310                 break;
2311         case ACA_SMU_TYPE_CE:
2312                 ret = aca_error_cache_log_bank_error(handle, &info, ACA_ERROR_TYPE_CE,
2313                                                      ACA_REG__MISC0__ERRCNT(misc0));
2314                 break;
2315         default:
2316                 return -EINVAL;
2317         }
2318
2319         return ret;
2320 }
2321
2322 /* CODE_SDMA0 - CODE_SDMA4, reference to smu driver if header file */
2323 static int sdma_v4_4_2_err_codes[] = { 33, 34, 35, 36 };
2324
2325 static bool sdma_v4_4_2_aca_bank_is_valid(struct aca_handle *handle, struct aca_bank *bank,
2326                                           enum aca_smu_type type, void *data)
2327 {
2328         u32 instlo;
2329
2330         instlo = ACA_REG__IPID__INSTANCEIDLO(bank->regs[ACA_REG_IDX_IPID]);
2331         instlo &= GENMASK(31, 1);
2332
2333         if (instlo != mmSMNAID_AID0_MCA_SMU)
2334                 return false;
2335
2336         if (aca_bank_check_error_codes(handle->adev, bank,
2337                                        sdma_v4_4_2_err_codes,
2338                                        ARRAY_SIZE(sdma_v4_4_2_err_codes)))
2339                 return false;
2340
2341         return true;
2342 }
2343
2344 static const struct aca_bank_ops sdma_v4_4_2_aca_bank_ops = {
2345         .aca_bank_parser = sdma_v4_4_2_aca_bank_parser,
2346         .aca_bank_is_valid = sdma_v4_4_2_aca_bank_is_valid,
2347 };
2348
2349 static const struct aca_info sdma_v4_4_2_aca_info = {
2350         .hwip = ACA_HWIP_TYPE_SMU,
2351         .mask = ACA_ERROR_UE_MASK,
2352         .bank_ops = &sdma_v4_4_2_aca_bank_ops,
2353 };
2354
2355 static int sdma_v4_4_2_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
2356 {
2357         int r;
2358
2359         r = amdgpu_sdma_ras_late_init(adev, ras_block);
2360         if (r)
2361                 return r;
2362
2363         return amdgpu_ras_bind_aca(adev, AMDGPU_RAS_BLOCK__SDMA,
2364                                    &sdma_v4_4_2_aca_info, NULL);
2365 }
2366
2367 static struct amdgpu_sdma_ras sdma_v4_4_2_ras = {
2368         .ras_block = {
2369                 .hw_ops = &sdma_v4_4_2_ras_hw_ops,
2370                 .ras_late_init = sdma_v4_4_2_ras_late_init,
2371         },
2372 };
2373
2374 static void sdma_v4_4_2_set_ras_funcs(struct amdgpu_device *adev)
2375 {
2376         adev->sdma.ras = &sdma_v4_4_2_ras;
2377 }