drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c

   1 /*
   2  * Copyright 2019 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #include <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_ucode.h"
  31 #include "amdgpu_trace.h"
  32
  33 #include "gc/gc_10_1_0_offset.h"
  34 #include "gc/gc_10_1_0_sh_mask.h"
  35 #include "ivsrcid/sdma0/irqsrcs_sdma0_5_0.h"
  36 #include "ivsrcid/sdma1/irqsrcs_sdma1_5_0.h"
  37
  38 #include "soc15_common.h"
  39 #include "soc15.h"
  40 #include "navi10_sdma_pkt_open.h"
  41 #include "nbio_v2_3.h"
  42 #include "sdma_common.h"
  43 #include "sdma_v5_0.h"
  44
  45 MODULE_FIRMWARE("amdgpu/navi10_sdma.bin");
  46 MODULE_FIRMWARE("amdgpu/navi10_sdma1.bin");
  47
  48 MODULE_FIRMWARE("amdgpu/navi14_sdma.bin");
  49 MODULE_FIRMWARE("amdgpu/navi14_sdma1.bin");
  50
  51 MODULE_FIRMWARE("amdgpu/navi12_sdma.bin");
  52 MODULE_FIRMWARE("amdgpu/navi12_sdma1.bin");
  53
  54 MODULE_FIRMWARE("amdgpu/cyan_skillfish2_sdma.bin");
  55 MODULE_FIRMWARE("amdgpu/cyan_skillfish2_sdma1.bin");
  56
  57 #define SDMA1_REG_OFFSET 0x600
  58 #define SDMA0_HYP_DEC_REG_START 0x5880
  59 #define SDMA0_HYP_DEC_REG_END 0x5893
  60 #define SDMA1_HYP_DEC_REG_OFFSET 0x20
  61
  62 static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev);
  63 static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev);
  64 static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev);
  65 static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev);
  66
  67 static const struct soc15_reg_golden golden_settings_sdma_5[] = {
  68         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
  69         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  70         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  71         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  72         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  73         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  74         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  75         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  76         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  77         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  78         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  79         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_UTCL1_PAGE, 0x00ffffff, 0x000c5c00),
  80         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
  81         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  82         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  83         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  84         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  85         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  86         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  87         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  88         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  89         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  90         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  91         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_UTCL1_PAGE, 0x00ffffff, 0x000c5c00)
  92 };
  93
  94 static const struct soc15_reg_golden golden_settings_sdma_5_sriov[] = {
  95         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  96         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  97         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  98         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  99         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 100         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 101         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 102         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 103         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 104         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 105         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 106         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 107         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 108         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 109         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 110         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 111         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 112         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 113         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 114         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 115 };
 116
 117 static const struct soc15_reg_golden golden_settings_sdma_nv10[] = {
 118         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
 119         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
 120 };
 121
 122 static const struct soc15_reg_golden golden_settings_sdma_nv14[] = {
 123         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 124         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 125 };
 126
 127 static const struct soc15_reg_golden golden_settings_sdma_nv12[] = {
 128         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 129         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
 130         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
 131         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
 132         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
 133         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 134 };
 135
 136 static const struct soc15_reg_golden golden_settings_sdma_cyan_skillfish[] = {
 137         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
 138         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
 139         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
 140         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 141         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 142         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 143         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 144         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 145         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 146         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 147         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 148         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 149         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 150         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_UTCL1_PAGE, 0x007fffff, 0x004c5c00),
 151         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
 152         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
 153         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
 154         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 155         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 156         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 157         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 158         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 159         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 160         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 161         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 162         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 163         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 164         SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_UTCL1_PAGE, 0x007fffff, 0x004c5c00)
 165 };
 166
 167 static u32 sdma_v5_0_get_reg_offset(struct amdgpu_device *adev, u32 instance, u32 internal_offset)
 168 {
 169         u32 base;
 170
 171         if (internal_offset >= SDMA0_HYP_DEC_REG_START &&
 172             internal_offset <= SDMA0_HYP_DEC_REG_END) {
 173                 base = adev->reg_offset[GC_HWIP][0][1];
 174                 if (instance == 1)
 175                         internal_offset += SDMA1_HYP_DEC_REG_OFFSET;
 176         } else {
 177                 base = adev->reg_offset[GC_HWIP][0][0];
 178                 if (instance == 1)
 179                         internal_offset += SDMA1_REG_OFFSET;
 180         }
 181
 182         return base + internal_offset;
 183 }
 184
 185 static void sdma_v5_0_init_golden_registers(struct amdgpu_device *adev)
 186 {
 187         switch (adev->ip_versions[SDMA0_HWIP][0]) {
 188         case IP_VERSION(5, 0, 0):
 189                 soc15_program_register_sequence(adev,
 190                                                 golden_settings_sdma_5,
 191                                                 (const u32)ARRAY_SIZE(golden_settings_sdma_5));
 192                 soc15_program_register_sequence(adev,
 193                                                 golden_settings_sdma_nv10,
 194                                                 (const u32)ARRAY_SIZE(golden_settings_sdma_nv10));
 195                 break;
 196         case IP_VERSION(5, 0, 2):
 197                 soc15_program_register_sequence(adev,
 198                                                 golden_settings_sdma_5,
 199                                                 (const u32)ARRAY_SIZE(golden_settings_sdma_5));
 200                 soc15_program_register_sequence(adev,
 201                                                 golden_settings_sdma_nv14,
 202                                                 (const u32)ARRAY_SIZE(golden_settings_sdma_nv14));
 203                 break;
 204         case IP_VERSION(5, 0, 5):
 205                 if (amdgpu_sriov_vf(adev))
 206                         soc15_program_register_sequence(adev,
 207                                                         golden_settings_sdma_5_sriov,
 208                                                         (const u32)ARRAY_SIZE(golden_settings_sdma_5_sriov));
 209                 else
 210                         soc15_program_register_sequence(adev,
 211                                                         golden_settings_sdma_5,
 212                                                         (const u32)ARRAY_SIZE(golden_settings_sdma_5));
 213                 soc15_program_register_sequence(adev,
 214                                                 golden_settings_sdma_nv12,
 215                                                 (const u32)ARRAY_SIZE(golden_settings_sdma_nv12));
 216                 break;
 217         case IP_VERSION(5, 0, 1):
 218                 soc15_program_register_sequence(adev,
 219                                                 golden_settings_sdma_cyan_skillfish,
 220                                                 (const u32)ARRAY_SIZE(golden_settings_sdma_cyan_skillfish));
 221                 break;
 222         default:
 223                 break;
 224         }
 225 }
 226
 227 /**
 228  * sdma_v5_0_init_microcode - load ucode images from disk
 229  *
 230  * @adev: amdgpu_device pointer
 231  *
 232  * Use the firmware interface to load the ucode images into
 233  * the driver (not loaded into hw).
 234  * Returns 0 on success, error on failure.
 235  */
 236
 237 // emulation only, won't work on real chip
 238 // navi10 real chip need to use PSP to load firmware
 239 static int sdma_v5_0_init_microcode(struct amdgpu_device *adev)
 240 {
 241         const char *chip_name;
 242         char fw_name[40];
 243         int ret, i;
 244
 245         if (amdgpu_sriov_vf(adev) && (adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(5, 0, 5)))
 246                 return 0;
 247
 248         DRM_DEBUG("\n");
 249
 250         switch (adev->ip_versions[SDMA0_HWIP][0]) {
 251         case IP_VERSION(5, 0, 0):
 252                 chip_name = "navi10";
 253                 break;
 254         case IP_VERSION(5, 0, 2):
 255                 chip_name = "navi14";
 256                 break;
 257         case IP_VERSION(5, 0, 5):
 258                 chip_name = "navi12";
 259                 break;
 260         case IP_VERSION(5, 0, 1):
 261                 chip_name = "cyan_skillfish2";
 262                 break;
 263         default:
 264                 BUG();
 265         }
 266
 267         for (i = 0; i < adev->sdma.num_instances; i++) {
 268                 if (i == 0)
 269                         snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name);
 270                 else
 271                         snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma1.bin", chip_name);
 272                 ret = amdgpu_sdma_init_microcode(adev, fw_name, i, false);
 273                 if (ret)
 274                         return ret;
 275         }
 276
 277         return ret;
 278 }
 279
 280 static unsigned sdma_v5_0_ring_init_cond_exec(struct amdgpu_ring *ring)
 281 {
 282         unsigned ret;
 283
 284         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_COND_EXE));
 285         amdgpu_ring_write(ring, lower_32_bits(ring->cond_exe_gpu_addr));
 286         amdgpu_ring_write(ring, upper_32_bits(ring->cond_exe_gpu_addr));
 287         amdgpu_ring_write(ring, 1);
 288         ret = ring->wptr & ring->buf_mask;/* this is the offset we need patch later */
 289         amdgpu_ring_write(ring, 0x55aa55aa);/* insert dummy here and patch it later */
 290
 291         return ret;
 292 }
 293
 294 static void sdma_v5_0_ring_patch_cond_exec(struct amdgpu_ring *ring,
 295                                            unsigned offset)
 296 {
 297         unsigned cur;
 298
 299         BUG_ON(offset > ring->buf_mask);
 300         BUG_ON(ring->ring[offset] != 0x55aa55aa);
 301
 302         cur = (ring->wptr - 1) & ring->buf_mask;
 303         if (cur > offset)
 304                 ring->ring[offset] = cur - offset;
 305         else
 306                 ring->ring[offset] = (ring->buf_mask + 1) - offset + cur;
 307 }
 308
 309 /**
 310  * sdma_v5_0_ring_get_rptr - get the current read pointer
 311  *
 312  * @ring: amdgpu ring pointer
 313  *
 314  * Get the current rptr from the hardware (NAVI10+).
 315  */
 316 static uint64_t sdma_v5_0_ring_get_rptr(struct amdgpu_ring *ring)
 317 {
 318         u64 *rptr;
 319
 320         /* XXX check if swapping is necessary on BE */
 321         rptr = (u64 *)ring->rptr_cpu_addr;
 322
 323         DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr);
 324         return ((*rptr) >> 2);
 325 }
 326
 327 /**
 328  * sdma_v5_0_ring_get_wptr - get the current write pointer
 329  *
 330  * @ring: amdgpu ring pointer
 331  *
 332  * Get the current wptr from the hardware (NAVI10+).
 333  */
 334 static uint64_t sdma_v5_0_ring_get_wptr(struct amdgpu_ring *ring)
 335 {
 336         struct amdgpu_device *adev = ring->adev;
 337         u64 wptr;
 338
 339         if (ring->use_doorbell) {
 340                 /* XXX check if swapping is necessary on BE */
 341                 wptr = READ_ONCE(*((u64 *)ring->wptr_cpu_addr));
 342                 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr);
 343         } else {
 344                 wptr = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI));
 345                 wptr = wptr << 32;
 346                 wptr |= RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR));
 347                 DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n", ring->me, wptr);
 348         }
 349
 350         return wptr >> 2;
 351 }
 352
 353 /**
 354  * sdma_v5_0_ring_set_wptr - commit the write pointer
 355  *
 356  * @ring: amdgpu ring pointer
 357  *
 358  * Write the wptr back to the hardware (NAVI10+).
 359  */
 360 static void sdma_v5_0_ring_set_wptr(struct amdgpu_ring *ring)
 361 {
 362         struct amdgpu_device *adev = ring->adev;
 363         uint32_t *wptr_saved;
 364         uint32_t *is_queue_unmap;
 365         uint64_t aggregated_db_index;
 366         uint32_t mqd_size = adev->mqds[AMDGPU_HW_IP_DMA].mqd_size;
 367
 368         DRM_DEBUG("Setting write pointer\n");
 369         if (ring->is_mes_queue) {
 370                 wptr_saved = (uint32_t *)(ring->mqd_ptr + mqd_size);
 371                 is_queue_unmap = (uint32_t *)(ring->mqd_ptr + mqd_size +
 372                                               sizeof(uint32_t));
 373                 aggregated_db_index =
 374                         amdgpu_mes_get_aggregated_doorbell_index(adev,
 375                         AMDGPU_MES_PRIORITY_LEVEL_NORMAL);
 376
 377                 atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
 378                              ring->wptr << 2);
 379                 *wptr_saved = ring->wptr << 2;
 380                 if (*is_queue_unmap) {
 381                         WDOORBELL64(aggregated_db_index, ring->wptr << 2);
 382                         DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
 383                                         ring->doorbell_index, ring->wptr << 2);
 384                         WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 385                 } else {
 386                         DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
 387                                         ring->doorbell_index, ring->wptr << 2);
 388                         WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 389
 390                         if (*is_queue_unmap)
 391                                 WDOORBELL64(aggregated_db_index,
 392                                             ring->wptr << 2);
 393                 }
 394         } else {
 395                 if (ring->use_doorbell) {
 396                         DRM_DEBUG("Using doorbell -- "
 397                                   "wptr_offs == 0x%08x "
 398                                   "lower_32_bits(ring->wptr) << 2 == 0x%08x "
 399                                   "upper_32_bits(ring->wptr) << 2 == 0x%08x\n",
 400                                   ring->wptr_offs,
 401                                   lower_32_bits(ring->wptr << 2),
 402                                   upper_32_bits(ring->wptr << 2));
 403                         /* XXX check if swapping is necessary on BE */
 404                         atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
 405                                      ring->wptr << 2);
 406                         DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
 407                                   ring->doorbell_index, ring->wptr << 2);
 408                         WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 409                 } else {
 410                         DRM_DEBUG("Not using doorbell -- "
 411                                   "mmSDMA%i_GFX_RB_WPTR == 0x%08x "
 412                                   "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
 413                                   ring->me,
 414                                   lower_32_bits(ring->wptr << 2),
 415                                   ring->me,
 416                                   upper_32_bits(ring->wptr << 2));
 417                         WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev,
 418                                              ring->me, mmSDMA0_GFX_RB_WPTR),
 419                                         lower_32_bits(ring->wptr << 2));
 420                         WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev,
 421                                              ring->me, mmSDMA0_GFX_RB_WPTR_HI),
 422                                         upper_32_bits(ring->wptr << 2));
 423                 }
 424         }
 425 }
 426
 427 static void sdma_v5_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
 428 {
 429         struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
 430         int i;
 431
 432         for (i = 0; i < count; i++)
 433                 if (sdma && sdma->burst_nop && (i == 0))
 434                         amdgpu_ring_write(ring, ring->funcs->nop |
 435                                 SDMA_PKT_NOP_HEADER_COUNT(count - 1));
 436                 else
 437                         amdgpu_ring_write(ring, ring->funcs->nop);
 438 }
 439
 440 /**
 441  * sdma_v5_0_ring_emit_ib - Schedule an IB on the DMA engine
 442  *
 443  * @ring: amdgpu ring pointer
 444  * @job: job to retrieve vmid from
 445  * @ib: IB object to schedule
 446  * @flags: unused
 447  *
 448  * Schedule an IB in the DMA ring (NAVI10).
 449  */
 450 static void sdma_v5_0_ring_emit_ib(struct amdgpu_ring *ring,
 451                                    struct amdgpu_job *job,
 452                                    struct amdgpu_ib *ib,
 453                                    uint32_t flags)
 454 {
 455         unsigned vmid = AMDGPU_JOB_GET_VMID(job);
 456         uint64_t csa_mc_addr = amdgpu_sdma_get_csa_mc_addr(ring, vmid);
 457
 458         /* An IB packet must end on a 8 DW boundary--the next dword
 459          * must be on a 8-dword boundary. Our IB packet below is 6
 460          * dwords long, thus add x number of NOPs, such that, in
 461          * modular arithmetic,
 462          * wptr + 6 + x = 8k, k >= 0, which in C is,
 463          * (wptr + 6 + x) % 8 = 0.
 464          * The expression below, is a solution of x.
 465          */
 466         sdma_v5_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7);
 467
 468         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) |
 469                           SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf));
 470         /* base must be 32 byte aligned */
 471         amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0);
 472         amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
 473         amdgpu_ring_write(ring, ib->length_dw);
 474         amdgpu_ring_write(ring, lower_32_bits(csa_mc_addr));
 475         amdgpu_ring_write(ring, upper_32_bits(csa_mc_addr));
 476 }
 477
 478 /**
 479  * sdma_v5_0_ring_emit_mem_sync - flush the IB by graphics cache rinse
 480  *
 481  * @ring: amdgpu ring pointer
 482  *
 483  * flush the IB by graphics cache rinse.
 484  */
 485 static void sdma_v5_0_ring_emit_mem_sync(struct amdgpu_ring *ring)
 486 {
 487         uint32_t gcr_cntl = SDMA_GCR_GL2_INV | SDMA_GCR_GL2_WB | SDMA_GCR_GLM_INV |
 488                             SDMA_GCR_GL1_INV | SDMA_GCR_GLV_INV | SDMA_GCR_GLK_INV |
 489                             SDMA_GCR_GLI_INV(1);
 490
 491         /* flush entire cache L0/L1/L2, this can be optimized by performance requirement */
 492         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_GCR_REQ));
 493         amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD1_BASE_VA_31_7(0));
 494         amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD2_GCR_CONTROL_15_0(gcr_cntl) |
 495                           SDMA_PKT_GCR_REQ_PAYLOAD2_BASE_VA_47_32(0));
 496         amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD3_LIMIT_VA_31_7(0) |
 497                           SDMA_PKT_GCR_REQ_PAYLOAD3_GCR_CONTROL_18_16(gcr_cntl >> 16));
 498         amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD4_LIMIT_VA_47_32(0) |
 499                           SDMA_PKT_GCR_REQ_PAYLOAD4_VMID(0));
 500 }
 501
 502 /**
 503  * sdma_v5_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring
 504  *
 505  * @ring: amdgpu ring pointer
 506  *
 507  * Emit an hdp flush packet on the requested DMA ring.
 508  */
 509 static void sdma_v5_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
 510 {
 511         struct amdgpu_device *adev = ring->adev;
 512         u32 ref_and_mask = 0;
 513         const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg;
 514
 515         if (ring->me == 0)
 516                 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0;
 517         else
 518                 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma1;
 519
 520         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
 521                           SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) |
 522                           SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */
 523         amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_done_offset(adev)) << 2);
 524         amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_req_offset(adev)) << 2);
 525         amdgpu_ring_write(ring, ref_and_mask); /* reference */
 526         amdgpu_ring_write(ring, ref_and_mask); /* mask */
 527         amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
 528                           SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */
 529 }
 530
 531 /**
 532  * sdma_v5_0_ring_emit_fence - emit a fence on the DMA ring
 533  *
 534  * @ring: amdgpu ring pointer
 535  * @addr: address
 536  * @seq: sequence number
 537  * @flags: fence related flags
 538  *
 539  * Add a DMA fence packet to the ring to write
 540  * the fence seq number and DMA trap packet to generate
 541  * an interrupt if needed (NAVI10).
 542  */
 543 static void sdma_v5_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
 544                                       unsigned flags)
 545 {
 546         bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
 547         /* write the fence */
 548         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) |
 549                           SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); /* Ucached(UC) */
 550         /* zero in first two bits */
 551         BUG_ON(addr & 0x3);
 552         amdgpu_ring_write(ring, lower_32_bits(addr));
 553         amdgpu_ring_write(ring, upper_32_bits(addr));
 554         amdgpu_ring_write(ring, lower_32_bits(seq));
 555
 556         /* optionally write high bits as well */
 557         if (write64bit) {
 558                 addr += 4;
 559                 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) |
 560                                   SDMA_PKT_FENCE_HEADER_MTYPE(0x3));
 561                 /* zero in first two bits */
 562                 BUG_ON(addr & 0x3);
 563                 amdgpu_ring_write(ring, lower_32_bits(addr));
 564                 amdgpu_ring_write(ring, upper_32_bits(addr));
 565                 amdgpu_ring_write(ring, upper_32_bits(seq));
 566         }
 567
 568         if (flags & AMDGPU_FENCE_FLAG_INT) {
 569                 uint32_t ctx = ring->is_mes_queue ?
 570                         (ring->hw_queue_id | AMDGPU_FENCE_MES_QUEUE_FLAG) : 0;
 571                 /* generate an interrupt */
 572                 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP));
 573                 amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(ctx));
 574         }
 575 }
 576
 577
 578 /**
 579  * sdma_v5_0_gfx_stop - stop the gfx async dma engines
 580  *
 581  * @adev: amdgpu_device pointer
 582  *
 583  * Stop the gfx async dma ring buffers (NAVI10).
 584  */
 585 static void sdma_v5_0_gfx_stop(struct amdgpu_device *adev)
 586 {
 587         u32 rb_cntl, ib_cntl;
 588         int i;
 589
 590         amdgpu_sdma_unset_buffer_funcs_helper(adev);
 591
 592         for (i = 0; i < adev->sdma.num_instances; i++) {
 593                 rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL));
 594                 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0);
 595                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
 596                 ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL));
 597                 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
 598                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
 599         }
 600 }
 601
 602 /**
 603  * sdma_v5_0_rlc_stop - stop the compute async dma engines
 604  *
 605  * @adev: amdgpu_device pointer
 606  *
 607  * Stop the compute async dma queues (NAVI10).
 608  */
 609 static void sdma_v5_0_rlc_stop(struct amdgpu_device *adev)
 610 {
 611         /* XXX todo */
 612 }
 613
 614 /**
 615  * sdma_v5_0_ctx_switch_enable - stop the async dma engines context switch
 616  *
 617  * @adev: amdgpu_device pointer
 618  * @enable: enable/disable the DMA MEs context switch.
 619  *
 620  * Halt or unhalt the async dma engines context switch (NAVI10).
 621  */
 622 static void sdma_v5_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
 623 {
 624         u32 f32_cntl = 0, phase_quantum = 0;
 625         int i;
 626
 627         if (amdgpu_sdma_phase_quantum) {
 628                 unsigned value = amdgpu_sdma_phase_quantum;
 629                 unsigned unit = 0;
 630
 631                 while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
 632                                 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) {
 633                         value = (value + 1) >> 1;
 634                         unit++;
 635                 }
 636                 if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
 637                             SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) {
 638                         value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
 639                                  SDMA0_PHASE0_QUANTUM__VALUE__SHIFT);
 640                         unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
 641                                 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT);
 642                         WARN_ONCE(1,
 643                         "clamping sdma_phase_quantum to %uK clock cycles\n",
 644                                   value << unit);
 645                 }
 646                 phase_quantum =
 647                         value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT |
 648                         unit  << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT;
 649         }
 650
 651         for (i = 0; i < adev->sdma.num_instances; i++) {
 652                 if (!amdgpu_sriov_vf(adev)) {
 653                         f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
 654                         f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,
 655                                                  AUTO_CTXSW_ENABLE, enable ? 1 : 0);
 656                 }
 657
 658                 if (enable && amdgpu_sdma_phase_quantum) {
 659                         WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE0_QUANTUM),
 660                                phase_quantum);
 661                         WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE1_QUANTUM),
 662                                phase_quantum);
 663                         WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE2_QUANTUM),
 664                                phase_quantum);
 665                 }
 666                 if (!amdgpu_sriov_vf(adev))
 667                         WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), f32_cntl);
 668         }
 669
 670 }
 671
 672 /**
 673  * sdma_v5_0_enable - stop the async dma engines
 674  *
 675  * @adev: amdgpu_device pointer
 676  * @enable: enable/disable the DMA MEs.
 677  *
 678  * Halt or unhalt the async dma engines (NAVI10).
 679  */
 680 static void sdma_v5_0_enable(struct amdgpu_device *adev, bool enable)
 681 {
 682         u32 f32_cntl;
 683         int i;
 684
 685         if (!enable) {
 686                 sdma_v5_0_gfx_stop(adev);
 687                 sdma_v5_0_rlc_stop(adev);
 688         }
 689
 690         if (amdgpu_sriov_vf(adev))
 691                 return;
 692
 693         for (i = 0; i < adev->sdma.num_instances; i++) {
 694                 f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
 695                 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1);
 696                 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), f32_cntl);
 697         }
 698 }
 699
 700 /**
 701  * sdma_v5_0_gfx_resume - setup and start the async dma engines
 702  *
 703  * @adev: amdgpu_device pointer
 704  *
 705  * Set up the gfx DMA ring buffers and enable them (NAVI10).
 706  * Returns 0 for success, error for failure.
 707  */
 708 static int sdma_v5_0_gfx_resume(struct amdgpu_device *adev)
 709 {
 710         struct amdgpu_ring *ring;
 711         u32 rb_cntl, ib_cntl;
 712         u32 rb_bufsz;
 713         u32 doorbell;
 714         u32 doorbell_offset;
 715         u32 temp;
 716         u32 wptr_poll_cntl;
 717         u64 wptr_gpu_addr;
 718         int i, r;
 719
 720         for (i = 0; i < adev->sdma.num_instances; i++) {
 721                 ring = &adev->sdma.instance[i].ring;
 722
 723                 if (!amdgpu_sriov_vf(adev))
 724                         WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0);
 725
 726                 /* Set ring buffer size in dwords */
 727                 rb_bufsz = order_base_2(ring->ring_size / 4);
 728                 rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL));
 729                 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz);
 730 #ifdef __BIG_ENDIAN
 731                 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1);
 732                 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL,
 733                                         RPTR_WRITEBACK_SWAP_ENABLE, 1);
 734 #endif
 735                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
 736
 737                 /* Initialize the ring buffer's read and write pointers */
 738                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR), 0);
 739                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_HI), 0);
 740                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), 0);
 741                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), 0);
 742
 743                 /* setup the wptr shadow polling */
 744                 wptr_gpu_addr = ring->wptr_gpu_addr;
 745                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO),
 746                        lower_32_bits(wptr_gpu_addr));
 747                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI),
 748                        upper_32_bits(wptr_gpu_addr));
 749                 wptr_poll_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i,
 750                                                          mmSDMA0_GFX_RB_WPTR_POLL_CNTL));
 751                 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
 752                                                SDMA0_GFX_RB_WPTR_POLL_CNTL,
 753                                                F32_POLL_ENABLE, 1);
 754                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL),
 755                        wptr_poll_cntl);
 756
 757                 /* set the wb address whether it's enabled or not */
 758                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_HI),
 759                        upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF);
 760                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_LO),
 761                        lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC);
 762
 763                 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1);
 764
 765                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE),
 766                        ring->gpu_addr >> 8);
 767                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE_HI),
 768                        ring->gpu_addr >> 40);
 769
 770                 ring->wptr = 0;
 771
 772                 /* before programing wptr to a less value, need set minor_ptr_update first */
 773                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 1);
 774
 775                 if (!amdgpu_sriov_vf(adev)) { /* only bare-metal use register write for wptr */
 776                         WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR),
 777                                lower_32_bits(ring->wptr << 2));
 778                         WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI),
 779                                upper_32_bits(ring->wptr << 2));
 780                 }
 781
 782                 doorbell = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL));
 783                 doorbell_offset = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i,
 784                                                 mmSDMA0_GFX_DOORBELL_OFFSET));
 785
 786                 if (ring->use_doorbell) {
 787                         doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 1);
 788                         doorbell_offset = REG_SET_FIELD(doorbell_offset, SDMA0_GFX_DOORBELL_OFFSET,
 789                                         OFFSET, ring->doorbell_index);
 790                 } else {
 791                         doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 0);
 792                 }
 793                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL), doorbell);
 794                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL_OFFSET),
 795                        doorbell_offset);
 796
 797                 adev->nbio.funcs->sdma_doorbell_range(adev, i, ring->use_doorbell,
 798                                                       ring->doorbell_index, 20);
 799
 800                 if (amdgpu_sriov_vf(adev))
 801                         sdma_v5_0_ring_set_wptr(ring);
 802
 803                 /* set minor_ptr_update to 0 after wptr programed */
 804                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 0);
 805
 806                 if (!amdgpu_sriov_vf(adev)) {
 807                         /* set utc l1 enable flag always to 1 */
 808                         temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
 809                         temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1);
 810
 811                         /* enable MCBP */
 812                         temp = REG_SET_FIELD(temp, SDMA0_CNTL, MIDCMD_PREEMPT_ENABLE, 1);
 813                         WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), temp);
 814
 815                         /* Set up RESP_MODE to non-copy addresses */
 816                         temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL));
 817                         temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, RESP_MODE, 3);
 818                         temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, REDO_DELAY, 9);
 819                         WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL), temp);
 820
 821                         /* program default cache read and write policy */
 822                         temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE));
 823                         /* clean read policy and write policy bits */
 824                         temp &= 0xFF0FFF;
 825                         temp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) | (CACHE_WRITE_POLICY_L2__DEFAULT << 14));
 826                         WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE), temp);
 827                 }
 828
 829                 if (!amdgpu_sriov_vf(adev)) {
 830                         /* unhalt engine */
 831                         temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
 832                         temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0);
 833                         WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), temp);
 834                 }
 835
 836                 /* enable DMA RB */
 837                 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1);
 838                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
 839
 840                 ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL));
 841                 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1);
 842 #ifdef __BIG_ENDIAN
 843                 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1);
 844 #endif
 845                 /* enable DMA IBs */
 846                 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
 847
 848                 ring->sched.ready = true;
 849
 850                 if (amdgpu_sriov_vf(adev)) { /* bare-metal sequence doesn't need below to lines */
 851                         sdma_v5_0_ctx_switch_enable(adev, true);
 852                         sdma_v5_0_enable(adev, true);
 853                 }
 854
 855                 r = amdgpu_ring_test_helper(ring);
 856                 if (r)
 857                         return r;
 858
 859                 if (adev->mman.buffer_funcs_ring == ring)
 860                         amdgpu_ttm_set_buffer_funcs_status(adev, true);
 861         }
 862
 863         return 0;
 864 }
 865
 866 /**
 867  * sdma_v5_0_rlc_resume - setup and start the async dma engines
 868  *
 869  * @adev: amdgpu_device pointer
 870  *
 871  * Set up the compute DMA queues and enable them (NAVI10).
 872  * Returns 0 for success, error for failure.
 873  */
 874 static int sdma_v5_0_rlc_resume(struct amdgpu_device *adev)
 875 {
 876         return 0;
 877 }
 878
 879 /**
 880  * sdma_v5_0_load_microcode - load the sDMA ME ucode
 881  *
 882  * @adev: amdgpu_device pointer
 883  *
 884  * Loads the sDMA0/1 ucode.
 885  * Returns 0 for success, -EINVAL if the ucode is not available.
 886  */
 887 static int sdma_v5_0_load_microcode(struct amdgpu_device *adev)
 888 {
 889         const struct sdma_firmware_header_v1_0 *hdr;
 890         const __le32 *fw_data;
 891         u32 fw_size;
 892         int i, j;
 893
 894         /* halt the MEs */
 895         sdma_v5_0_enable(adev, false);
 896
 897         for (i = 0; i < adev->sdma.num_instances; i++) {
 898                 if (!adev->sdma.instance[i].fw)
 899                         return -EINVAL;
 900
 901                 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
 902                 amdgpu_ucode_print_sdma_hdr(&hdr->header);
 903                 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
 904
 905                 fw_data = (const __le32 *)
 906                         (adev->sdma.instance[i].fw->data +
 907                                 le32_to_cpu(hdr->header.ucode_array_offset_bytes));
 908
 909                 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), 0);
 910
 911                 for (j = 0; j < fw_size; j++) {
 912                         if (amdgpu_emu_mode == 1 && j % 500 == 0)
 913                                 msleep(1);
 914                         WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_DATA), le32_to_cpup(fw_data++));
 915                 }
 916
 917                 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), adev->sdma.instance[i].fw_version);
 918         }
 919
 920         return 0;
 921 }
 922
 923 /**
 924  * sdma_v5_0_start - setup and start the async dma engines
 925  *
 926  * @adev: amdgpu_device pointer
 927  *
 928  * Set up the DMA engines and enable them (NAVI10).
 929  * Returns 0 for success, error for failure.
 930  */
 931 static int sdma_v5_0_start(struct amdgpu_device *adev)
 932 {
 933         int r = 0;
 934
 935         if (amdgpu_sriov_vf(adev)) {
 936                 sdma_v5_0_ctx_switch_enable(adev, false);
 937                 sdma_v5_0_enable(adev, false);
 938
 939                 /* set RB registers */
 940                 r = sdma_v5_0_gfx_resume(adev);
 941                 return r;
 942         }
 943
 944         if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
 945                 r = sdma_v5_0_load_microcode(adev);
 946                 if (r)
 947                         return r;
 948         }
 949
 950         /* unhalt the MEs */
 951         sdma_v5_0_enable(adev, true);
 952         /* enable sdma ring preemption */
 953         sdma_v5_0_ctx_switch_enable(adev, true);
 954
 955         /* start the gfx rings and rlc compute queues */
 956         r = sdma_v5_0_gfx_resume(adev);
 957         if (r)
 958                 return r;
 959         r = sdma_v5_0_rlc_resume(adev);
 960
 961         return r;
 962 }
 963
 964 static int sdma_v5_0_mqd_init(struct amdgpu_device *adev, void *mqd,
 965                               struct amdgpu_mqd_prop *prop)
 966 {
 967         struct v10_sdma_mqd *m = mqd;
 968         uint64_t wb_gpu_addr;
 969
 970         m->sdmax_rlcx_rb_cntl =
 971                 order_base_2(prop->queue_size / 4) << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
 972                 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT |
 973                 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT |
 974                 1 << SDMA0_RLC0_RB_CNTL__RB_PRIV__SHIFT;
 975
 976         m->sdmax_rlcx_rb_base = lower_32_bits(prop->hqd_base_gpu_addr >> 8);
 977         m->sdmax_rlcx_rb_base_hi = upper_32_bits(prop->hqd_base_gpu_addr >> 8);
 978
 979         m->sdmax_rlcx_rb_wptr_poll_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0,
 980                                                   mmSDMA0_GFX_RB_WPTR_POLL_CNTL));
 981
 982         wb_gpu_addr = prop->wptr_gpu_addr;
 983         m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits(wb_gpu_addr);
 984         m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr);
 985
 986         wb_gpu_addr = prop->rptr_gpu_addr;
 987         m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits(wb_gpu_addr);
 988         m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits(wb_gpu_addr);
 989
 990         m->sdmax_rlcx_ib_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0,
 991                                                         mmSDMA0_GFX_IB_CNTL));
 992
 993         m->sdmax_rlcx_doorbell_offset =
 994                 prop->doorbell_index << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT;
 995
 996         m->sdmax_rlcx_doorbell = REG_SET_FIELD(0, SDMA0_RLC0_DOORBELL, ENABLE, 1);
 997
 998         return 0;
 999 }
1000
1001 static void sdma_v5_0_set_mqd_funcs(struct amdgpu_device *adev)
1002 {
1003         adev->mqds[AMDGPU_HW_IP_DMA].mqd_size = sizeof(struct v10_sdma_mqd);
1004         adev->mqds[AMDGPU_HW_IP_DMA].init_mqd = sdma_v5_0_mqd_init;
1005 }
1006
1007 /**
1008  * sdma_v5_0_ring_test_ring - simple async dma engine test
1009  *
1010  * @ring: amdgpu_ring structure holding ring information
1011  *
1012  * Test the DMA engine by writing using it to write an
1013  * value to memory. (NAVI10).
1014  * Returns 0 for success, error for failure.
1015  */
1016 static int sdma_v5_0_ring_test_ring(struct amdgpu_ring *ring)
1017 {
1018         struct amdgpu_device *adev = ring->adev;
1019         unsigned i;
1020         unsigned index;
1021         int r;
1022         u32 tmp;
1023         u64 gpu_addr;
1024         volatile uint32_t *cpu_ptr = NULL;
1025
1026         tmp = 0xCAFEDEAD;
1027
1028         if (ring->is_mes_queue) {
1029                 uint32_t offset = 0;
1030                 offset = amdgpu_mes_ctx_get_offs(ring,
1031                                          AMDGPU_MES_CTX_PADDING_OFFS);
1032                 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
1033                 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
1034                 *cpu_ptr = tmp;
1035         } else {
1036                 r = amdgpu_device_wb_get(adev, &index);
1037                 if (r) {
1038                         dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r);
1039                         return r;
1040                 }
1041
1042                 gpu_addr = adev->wb.gpu_addr + (index * 4);
1043                 adev->wb.wb[index] = cpu_to_le32(tmp);
1044         }
1045
1046         r = amdgpu_ring_alloc(ring, 20);
1047         if (r) {
1048                 DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r);
1049                 amdgpu_device_wb_free(adev, index);
1050                 return r;
1051         }
1052
1053         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1054                           SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR));
1055         amdgpu_ring_write(ring, lower_32_bits(gpu_addr));
1056         amdgpu_ring_write(ring, upper_32_bits(gpu_addr));
1057         amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0));
1058         amdgpu_ring_write(ring, 0xDEADBEEF);
1059         amdgpu_ring_commit(ring);
1060
1061         for (i = 0; i < adev->usec_timeout; i++) {
1062                 if (ring->is_mes_queue)
1063                         tmp = le32_to_cpu(*cpu_ptr);
1064                 else
1065                         tmp = le32_to_cpu(adev->wb.wb[index]);
1066                 if (tmp == 0xDEADBEEF)
1067                         break;
1068                 if (amdgpu_emu_mode == 1)
1069                         msleep(1);
1070                 else
1071                         udelay(1);
1072         }
1073
1074         if (i >= adev->usec_timeout)
1075                 r = -ETIMEDOUT;
1076
1077         if (!ring->is_mes_queue)
1078                 amdgpu_device_wb_free(adev, index);
1079
1080         return r;
1081 }
1082
1083 /**
1084  * sdma_v5_0_ring_test_ib - test an IB on the DMA engine
1085  *
1086  * @ring: amdgpu_ring structure holding ring information
1087  * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
1088  *
1089  * Test a simple IB in the DMA ring (NAVI10).
1090  * Returns 0 on success, error on failure.
1091  */
1092 static int sdma_v5_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1093 {
1094         struct amdgpu_device *adev = ring->adev;
1095         struct amdgpu_ib ib;
1096         struct dma_fence *f = NULL;
1097         unsigned index;
1098         long r;
1099         u32 tmp = 0;
1100         u64 gpu_addr;
1101         volatile uint32_t *cpu_ptr = NULL;
1102
1103         tmp = 0xCAFEDEAD;
1104         memset(&ib, 0, sizeof(ib));
1105
1106         if (ring->is_mes_queue) {
1107                 uint32_t offset = 0;
1108                 offset = amdgpu_mes_ctx_get_offs(ring, AMDGPU_MES_CTX_IB_OFFS);
1109                 ib.gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
1110                 ib.ptr = (void *)amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
1111
1112                 offset = amdgpu_mes_ctx_get_offs(ring,
1113                                          AMDGPU_MES_CTX_PADDING_OFFS);
1114                 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
1115                 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
1116                 *cpu_ptr = tmp;
1117         } else {
1118                 r = amdgpu_device_wb_get(adev, &index);
1119                 if (r) {
1120                         dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r);
1121                         return r;
1122                 }
1123
1124                 gpu_addr = adev->wb.gpu_addr + (index * 4);
1125                 adev->wb.wb[index] = cpu_to_le32(tmp);
1126
1127                 r = amdgpu_ib_get(adev, NULL, 256,
1128                                         AMDGPU_IB_POOL_DIRECT, &ib);
1129                 if (r) {
1130                         DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r);
1131                         goto err0;
1132                 }
1133         }
1134
1135         ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1136                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1137         ib.ptr[1] = lower_32_bits(gpu_addr);
1138         ib.ptr[2] = upper_32_bits(gpu_addr);
1139         ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0);
1140         ib.ptr[4] = 0xDEADBEEF;
1141         ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1142         ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1143         ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1144         ib.length_dw = 8;
1145
1146         r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f);
1147         if (r)
1148                 goto err1;
1149
1150         r = dma_fence_wait_timeout(f, false, timeout);
1151         if (r == 0) {
1152                 DRM_ERROR("amdgpu: IB test timed out\n");
1153                 r = -ETIMEDOUT;
1154                 goto err1;
1155         } else if (r < 0) {
1156                 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
1157                 goto err1;
1158         }
1159
1160         if (ring->is_mes_queue)
1161                 tmp = le32_to_cpu(*cpu_ptr);
1162         else
1163                 tmp = le32_to_cpu(adev->wb.wb[index]);
1164
1165         if (tmp == 0xDEADBEEF)
1166                 r = 0;
1167         else
1168                 r = -EINVAL;
1169
1170 err1:
1171         amdgpu_ib_free(adev, &ib, NULL);
1172         dma_fence_put(f);
1173 err0:
1174         if (!ring->is_mes_queue)
1175                 amdgpu_device_wb_free(adev, index);
1176         return r;
1177 }
1178
1179
1180 /**
1181  * sdma_v5_0_vm_copy_pte - update PTEs by copying them from the GART
1182  *
1183  * @ib: indirect buffer to fill with commands
1184  * @pe: addr of the page entry
1185  * @src: src addr to copy from
1186  * @count: number of page entries to update
1187  *
1188  * Update PTEs by copying them from the GART using sDMA (NAVI10).
1189  */
1190 static void sdma_v5_0_vm_copy_pte(struct amdgpu_ib *ib,
1191                                   uint64_t pe, uint64_t src,
1192                                   unsigned count)
1193 {
1194         unsigned bytes = count * 8;
1195
1196         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
1197                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
1198         ib->ptr[ib->length_dw++] = bytes - 1;
1199         ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1200         ib->ptr[ib->length_dw++] = lower_32_bits(src);
1201         ib->ptr[ib->length_dw++] = upper_32_bits(src);
1202         ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1203         ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1204
1205 }
1206
1207 /**
1208  * sdma_v5_0_vm_write_pte - update PTEs by writing them manually
1209  *
1210  * @ib: indirect buffer to fill with commands
1211  * @pe: addr of the page entry
1212  * @value: dst addr to write into pe
1213  * @count: number of page entries to update
1214  * @incr: increase next addr by incr bytes
1215  *
1216  * Update PTEs by writing them manually using sDMA (NAVI10).
1217  */
1218 static void sdma_v5_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe,
1219                                    uint64_t value, unsigned count,
1220                                    uint32_t incr)
1221 {
1222         unsigned ndw = count * 2;
1223
1224         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1225                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1226         ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1227         ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1228         ib->ptr[ib->length_dw++] = ndw - 1;
1229         for (; ndw > 0; ndw -= 2) {
1230                 ib->ptr[ib->length_dw++] = lower_32_bits(value);
1231                 ib->ptr[ib->length_dw++] = upper_32_bits(value);
1232                 value += incr;
1233         }
1234 }
1235
1236 /**
1237  * sdma_v5_0_vm_set_pte_pde - update the page tables using sDMA
1238  *
1239  * @ib: indirect buffer to fill with commands
1240  * @pe: addr of the page entry
1241  * @addr: dst addr to write into pe
1242  * @count: number of page entries to update
1243  * @incr: increase next addr by incr bytes
1244  * @flags: access flags
1245  *
1246  * Update the page tables using sDMA (NAVI10).
1247  */
1248 static void sdma_v5_0_vm_set_pte_pde(struct amdgpu_ib *ib,
1249                                      uint64_t pe,
1250                                      uint64_t addr, unsigned count,
1251                                      uint32_t incr, uint64_t flags)
1252 {
1253         /* for physically contiguous pages (vram) */
1254         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE);
1255         ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */
1256         ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1257         ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */
1258         ib->ptr[ib->length_dw++] = upper_32_bits(flags);
1259         ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */
1260         ib->ptr[ib->length_dw++] = upper_32_bits(addr);
1261         ib->ptr[ib->length_dw++] = incr; /* increment size */
1262         ib->ptr[ib->length_dw++] = 0;
1263         ib->ptr[ib->length_dw++] = count - 1; /* number of entries */
1264 }
1265
1266 /**
1267  * sdma_v5_0_ring_pad_ib - pad the IB
1268  * @ring: amdgpu_ring structure holding ring information
1269  * @ib: indirect buffer to fill with padding
1270  *
1271  * Pad the IB with NOPs to a boundary multiple of 8.
1272  */
1273 static void sdma_v5_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
1274 {
1275         struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
1276         u32 pad_count;
1277         int i;
1278
1279         pad_count = (-ib->length_dw) & 0x7;
1280         for (i = 0; i < pad_count; i++)
1281                 if (sdma && sdma->burst_nop && (i == 0))
1282                         ib->ptr[ib->length_dw++] =
1283                                 SDMA_PKT_HEADER_OP(SDMA_OP_NOP) |
1284                                 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1);
1285                 else
1286                         ib->ptr[ib->length_dw++] =
1287                                 SDMA_PKT_HEADER_OP(SDMA_OP_NOP);
1288 }
1289
1290
1291 /**
1292  * sdma_v5_0_ring_emit_pipeline_sync - sync the pipeline
1293  *
1294  * @ring: amdgpu_ring pointer
1295  *
1296  * Make sure all previous operations are completed (CIK).
1297  */
1298 static void sdma_v5_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
1299 {
1300         uint32_t seq = ring->fence_drv.sync_seq;
1301         uint64_t addr = ring->fence_drv.gpu_addr;
1302
1303         /* wait for idle */
1304         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
1305                           SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) |
1306                           SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3) | /* equal */
1307                           SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(1));
1308         amdgpu_ring_write(ring, addr & 0xfffffffc);
1309         amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
1310         amdgpu_ring_write(ring, seq); /* reference */
1311         amdgpu_ring_write(ring, 0xffffffff); /* mask */
1312         amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
1313                           SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */
1314 }
1315
1316
1317 /**
1318  * sdma_v5_0_ring_emit_vm_flush - vm flush using sDMA
1319  *
1320  * @ring: amdgpu_ring pointer
1321  * @vmid: vmid number to use
1322  * @pd_addr: address
1323  *
1324  * Update the page table base and flush the VM TLB
1325  * using sDMA (NAVI10).
1326  */
1327 static void sdma_v5_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
1328                                          unsigned vmid, uint64_t pd_addr)
1329 {
1330         amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1331 }
1332
1333 static void sdma_v5_0_ring_emit_wreg(struct amdgpu_ring *ring,
1334                                      uint32_t reg, uint32_t val)
1335 {
1336         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
1337                           SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
1338         amdgpu_ring_write(ring, reg);
1339         amdgpu_ring_write(ring, val);
1340 }
1341
1342 static void sdma_v5_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1343                                          uint32_t val, uint32_t mask)
1344 {
1345         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
1346                           SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) |
1347                           SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* equal */
1348         amdgpu_ring_write(ring, reg << 2);
1349         amdgpu_ring_write(ring, 0);
1350         amdgpu_ring_write(ring, val); /* reference */
1351         amdgpu_ring_write(ring, mask); /* mask */
1352         amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
1353                           SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10));
1354 }
1355
1356 static void sdma_v5_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring,
1357                                                    uint32_t reg0, uint32_t reg1,
1358                                                    uint32_t ref, uint32_t mask)
1359 {
1360         amdgpu_ring_emit_wreg(ring, reg0, ref);
1361         /* wait for a cycle to reset vm_inv_eng*_ack */
1362         amdgpu_ring_emit_reg_wait(ring, reg0, 0, 0);
1363         amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask);
1364 }
1365
1366 static int sdma_v5_0_early_init(void *handle)
1367 {
1368         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1369
1370         sdma_v5_0_set_ring_funcs(adev);
1371         sdma_v5_0_set_buffer_funcs(adev);
1372         sdma_v5_0_set_vm_pte_funcs(adev);
1373         sdma_v5_0_set_irq_funcs(adev);
1374         sdma_v5_0_set_mqd_funcs(adev);
1375
1376         return 0;
1377 }
1378
1379
1380 static int sdma_v5_0_sw_init(void *handle)
1381 {
1382         struct amdgpu_ring *ring;
1383         int r, i;
1384         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1385
1386         /* SDMA trap event */
1387         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0,
1388                               SDMA0_5_0__SRCID__SDMA_TRAP,
1389                               &adev->sdma.trap_irq);
1390         if (r)
1391                 return r;
1392
1393         /* SDMA trap event */
1394         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1,
1395                               SDMA1_5_0__SRCID__SDMA_TRAP,
1396                               &adev->sdma.trap_irq);
1397         if (r)
1398                 return r;
1399
1400         r = sdma_v5_0_init_microcode(adev);
1401         if (r) {
1402                 DRM_ERROR("Failed to load sdma firmware!\n");
1403                 return r;
1404         }
1405
1406         for (i = 0; i < adev->sdma.num_instances; i++) {
1407                 ring = &adev->sdma.instance[i].ring;
1408                 ring->ring_obj = NULL;
1409                 ring->use_doorbell = true;
1410
1411                 DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i,
1412                                 ring->use_doorbell?"true":"false");
1413
1414                 ring->doorbell_index = (i == 0) ?
1415                         (adev->doorbell_index.sdma_engine[0] << 1) //get DWORD offset
1416                         : (adev->doorbell_index.sdma_engine[1] << 1); // get DWORD offset
1417
1418                 sprintf(ring->name, "sdma%d", i);
1419                 r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq,
1420                                      (i == 0) ? AMDGPU_SDMA_IRQ_INSTANCE0 :
1421                                      AMDGPU_SDMA_IRQ_INSTANCE1,
1422                                      AMDGPU_RING_PRIO_DEFAULT, NULL);
1423                 if (r)
1424                         return r;
1425         }
1426
1427         return r;
1428 }
1429
1430 static int sdma_v5_0_sw_fini(void *handle)
1431 {
1432         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1433         int i;
1434
1435         for (i = 0; i < adev->sdma.num_instances; i++)
1436                 amdgpu_ring_fini(&adev->sdma.instance[i].ring);
1437
1438         amdgpu_sdma_destroy_inst_ctx(adev, false);
1439
1440         return 0;
1441 }
1442
1443 static int sdma_v5_0_hw_init(void *handle)
1444 {
1445         int r;
1446         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1447
1448         sdma_v5_0_init_golden_registers(adev);
1449
1450         r = sdma_v5_0_start(adev);
1451
1452         return r;
1453 }
1454
1455 static int sdma_v5_0_hw_fini(void *handle)
1456 {
1457         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1458
1459         if (amdgpu_sriov_vf(adev)) {
1460                 /* disable the scheduler for SDMA */
1461                 amdgpu_sdma_unset_buffer_funcs_helper(adev);
1462                 return 0;
1463         }
1464
1465         sdma_v5_0_ctx_switch_enable(adev, false);
1466         sdma_v5_0_enable(adev, false);
1467
1468         return 0;
1469 }
1470
1471 static int sdma_v5_0_suspend(void *handle)
1472 {
1473         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1474
1475         return sdma_v5_0_hw_fini(adev);
1476 }
1477
1478 static int sdma_v5_0_resume(void *handle)
1479 {
1480         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1481
1482         return sdma_v5_0_hw_init(adev);
1483 }
1484
1485 static bool sdma_v5_0_is_idle(void *handle)
1486 {
1487         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1488         u32 i;
1489
1490         for (i = 0; i < adev->sdma.num_instances; i++) {
1491                 u32 tmp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_STATUS_REG));
1492
1493                 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
1494                         return false;
1495         }
1496
1497         return true;
1498 }
1499
1500 static int sdma_v5_0_wait_for_idle(void *handle)
1501 {
1502         unsigned i;
1503         u32 sdma0, sdma1;
1504         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1505
1506         for (i = 0; i < adev->usec_timeout; i++) {
1507                 sdma0 = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_STATUS_REG));
1508                 sdma1 = RREG32(sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_STATUS_REG));
1509
1510                 if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK)
1511                         return 0;
1512                 udelay(1);
1513         }
1514         return -ETIMEDOUT;
1515 }
1516
1517 static int sdma_v5_0_soft_reset(void *handle)
1518 {
1519         /* todo */
1520
1521         return 0;
1522 }
1523
1524 static int sdma_v5_0_ring_preempt_ib(struct amdgpu_ring *ring)
1525 {
1526         int i, r = 0;
1527         struct amdgpu_device *adev = ring->adev;
1528         u32 index = 0;
1529         u64 sdma_gfx_preempt;
1530
1531         amdgpu_sdma_get_index_from_ring(ring, &index);
1532         if (index == 0)
1533                 sdma_gfx_preempt = mmSDMA0_GFX_PREEMPT;
1534         else
1535                 sdma_gfx_preempt = mmSDMA1_GFX_PREEMPT;
1536
1537         /* assert preemption condition */
1538         amdgpu_ring_set_preempt_cond_exec(ring, false);
1539
1540         /* emit the trailing fence */
1541         ring->trail_seq += 1;
1542         amdgpu_ring_alloc(ring, 10);
1543         sdma_v5_0_ring_emit_fence(ring, ring->trail_fence_gpu_addr,
1544                                   ring->trail_seq, 0);
1545         amdgpu_ring_commit(ring);
1546
1547         /* assert IB preemption */
1548         WREG32(sdma_gfx_preempt, 1);
1549
1550         /* poll the trailing fence */
1551         for (i = 0; i < adev->usec_timeout; i++) {
1552                 if (ring->trail_seq ==
1553                     le32_to_cpu(*(ring->trail_fence_cpu_addr)))
1554                         break;
1555                 udelay(1);
1556         }
1557
1558         if (i >= adev->usec_timeout) {
1559                 r = -EINVAL;
1560                 DRM_ERROR("ring %d failed to be preempted\n", ring->idx);
1561         }
1562
1563         /* deassert IB preemption */
1564         WREG32(sdma_gfx_preempt, 0);
1565
1566         /* deassert the preemption condition */
1567         amdgpu_ring_set_preempt_cond_exec(ring, true);
1568         return r;
1569 }
1570
1571 static int sdma_v5_0_set_trap_irq_state(struct amdgpu_device *adev,
1572                                         struct amdgpu_irq_src *source,
1573                                         unsigned type,
1574                                         enum amdgpu_interrupt_state state)
1575 {
1576         u32 sdma_cntl;
1577
1578         if (!amdgpu_sriov_vf(adev)) {
1579                 u32 reg_offset = (type == AMDGPU_SDMA_IRQ_INSTANCE0) ?
1580                         sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CNTL) :
1581                         sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_CNTL);
1582
1583                 sdma_cntl = RREG32(reg_offset);
1584                 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE,
1585                                           state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
1586                 WREG32(reg_offset, sdma_cntl);
1587         }
1588
1589         return 0;
1590 }
1591
1592 static int sdma_v5_0_process_trap_irq(struct amdgpu_device *adev,
1593                                       struct amdgpu_irq_src *source,
1594                                       struct amdgpu_iv_entry *entry)
1595 {
1596         uint32_t mes_queue_id = entry->src_data[0];
1597
1598         DRM_DEBUG("IH: SDMA trap\n");
1599
1600         if (adev->enable_mes && (mes_queue_id & AMDGPU_FENCE_MES_QUEUE_FLAG)) {
1601                 struct amdgpu_mes_queue *queue;
1602
1603                 mes_queue_id &= AMDGPU_FENCE_MES_QUEUE_ID_MASK;
1604
1605                 spin_lock(&adev->mes.queue_id_lock);
1606                 queue = idr_find(&adev->mes.queue_id_idr, mes_queue_id);
1607                 if (queue) {
1608                         DRM_DEBUG("process smda queue id = %d\n", mes_queue_id);
1609                         amdgpu_fence_process(queue->ring);
1610                 }
1611                 spin_unlock(&adev->mes.queue_id_lock);
1612                 return 0;
1613         }
1614
1615         switch (entry->client_id) {
1616         case SOC15_IH_CLIENTID_SDMA0:
1617                 switch (entry->ring_id) {
1618                 case 0:
1619                         amdgpu_fence_process(&adev->sdma.instance[0].ring);
1620                         break;
1621                 case 1:
1622                         /* XXX compute */
1623                         break;
1624                 case 2:
1625                         /* XXX compute */
1626                         break;
1627                 case 3:
1628                         /* XXX page queue*/
1629                         break;
1630                 }
1631                 break;
1632         case SOC15_IH_CLIENTID_SDMA1:
1633                 switch (entry->ring_id) {
1634                 case 0:
1635                         amdgpu_fence_process(&adev->sdma.instance[1].ring);
1636                         break;
1637                 case 1:
1638                         /* XXX compute */
1639                         break;
1640                 case 2:
1641                         /* XXX compute */
1642                         break;
1643                 case 3:
1644                         /* XXX page queue*/
1645                         break;
1646                 }
1647                 break;
1648         }
1649         return 0;
1650 }
1651
1652 static int sdma_v5_0_process_illegal_inst_irq(struct amdgpu_device *adev,
1653                                               struct amdgpu_irq_src *source,
1654                                               struct amdgpu_iv_entry *entry)
1655 {
1656         return 0;
1657 }
1658
1659 static void sdma_v5_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
1660                                                        bool enable)
1661 {
1662         uint32_t data, def;
1663         int i;
1664
1665         for (i = 0; i < adev->sdma.num_instances; i++) {
1666                 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) {
1667                         /* Enable sdma clock gating */
1668                         def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL));
1669                         data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
1670                                   SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
1671                                   SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1672                                   SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1673                                   SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1674                                   SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1675                                   SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1676                                   SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1677                         if (def != data)
1678                                 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data);
1679                 } else {
1680                         /* Disable sdma clock gating */
1681                         def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL));
1682                         data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
1683                                  SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
1684                                  SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1685                                  SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1686                                  SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1687                                  SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1688                                  SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1689                                  SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1690                         if (def != data)
1691                                 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data);
1692                 }
1693         }
1694 }
1695
1696 static void sdma_v5_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
1697                                                       bool enable)
1698 {
1699         uint32_t data, def;
1700         int i;
1701
1702         for (i = 0; i < adev->sdma.num_instances; i++) {
1703                 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) {
1704                         /* Enable sdma mem light sleep */
1705                         def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL));
1706                         data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1707                         if (def != data)
1708                                 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data);
1709
1710                 } else {
1711                         /* Disable sdma mem light sleep */
1712                         def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL));
1713                         data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1714                         if (def != data)
1715                                 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data);
1716
1717                 }
1718         }
1719 }
1720
1721 static int sdma_v5_0_set_clockgating_state(void *handle,
1722                                            enum amd_clockgating_state state)
1723 {
1724         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1725
1726         if (amdgpu_sriov_vf(adev))
1727                 return 0;
1728
1729         switch (adev->ip_versions[SDMA0_HWIP][0]) {
1730         case IP_VERSION(5, 0, 0):
1731         case IP_VERSION(5, 0, 2):
1732         case IP_VERSION(5, 0, 5):
1733                 sdma_v5_0_update_medium_grain_clock_gating(adev,
1734                                 state == AMD_CG_STATE_GATE);
1735                 sdma_v5_0_update_medium_grain_light_sleep(adev,
1736                                 state == AMD_CG_STATE_GATE);
1737                 break;
1738         default:
1739                 break;
1740         }
1741
1742         return 0;
1743 }
1744
1745 static int sdma_v5_0_set_powergating_state(void *handle,
1746                                           enum amd_powergating_state state)
1747 {
1748         return 0;
1749 }
1750
1751 static void sdma_v5_0_get_clockgating_state(void *handle, u64 *flags)
1752 {
1753         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1754         int data;
1755
1756         if (amdgpu_sriov_vf(adev))
1757                 *flags = 0;
1758
1759         /* AMD_CG_SUPPORT_SDMA_MGCG */
1760         data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CLK_CTRL));
1761         if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK))
1762                 *flags |= AMD_CG_SUPPORT_SDMA_MGCG;
1763
1764         /* AMD_CG_SUPPORT_SDMA_LS */
1765         data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_POWER_CNTL));
1766         if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK)
1767                 *flags |= AMD_CG_SUPPORT_SDMA_LS;
1768 }
1769
1770 const struct amd_ip_funcs sdma_v5_0_ip_funcs = {
1771         .name = "sdma_v5_0",
1772         .early_init = sdma_v5_0_early_init,
1773         .late_init = NULL,
1774         .sw_init = sdma_v5_0_sw_init,
1775         .sw_fini = sdma_v5_0_sw_fini,
1776         .hw_init = sdma_v5_0_hw_init,
1777         .hw_fini = sdma_v5_0_hw_fini,
1778         .suspend = sdma_v5_0_suspend,
1779         .resume = sdma_v5_0_resume,
1780         .is_idle = sdma_v5_0_is_idle,
1781         .wait_for_idle = sdma_v5_0_wait_for_idle,
1782         .soft_reset = sdma_v5_0_soft_reset,
1783         .set_clockgating_state = sdma_v5_0_set_clockgating_state,
1784         .set_powergating_state = sdma_v5_0_set_powergating_state,
1785         .get_clockgating_state = sdma_v5_0_get_clockgating_state,
1786 };
1787
1788 static const struct amdgpu_ring_funcs sdma_v5_0_ring_funcs = {
1789         .type = AMDGPU_RING_TYPE_SDMA,
1790         .align_mask = 0xf,
1791         .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
1792         .support_64bit_ptrs = true,
1793         .secure_submission_supported = true,
1794         .vmhub = AMDGPU_GFXHUB_0,
1795         .get_rptr = sdma_v5_0_ring_get_rptr,
1796         .get_wptr = sdma_v5_0_ring_get_wptr,
1797         .set_wptr = sdma_v5_0_ring_set_wptr,
1798         .emit_frame_size =
1799                 5 + /* sdma_v5_0_ring_init_cond_exec */
1800                 6 + /* sdma_v5_0_ring_emit_hdp_flush */
1801                 3 + /* hdp_invalidate */
1802                 6 + /* sdma_v5_0_ring_emit_pipeline_sync */
1803                 /* sdma_v5_0_ring_emit_vm_flush */
1804                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1805                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 * 2 +
1806                 10 + 10 + 10, /* sdma_v5_0_ring_emit_fence x3 for user fence, vm fence */
1807         .emit_ib_size = 5 + 7 + 6, /* sdma_v5_0_ring_emit_ib */
1808         .emit_ib = sdma_v5_0_ring_emit_ib,
1809         .emit_mem_sync = sdma_v5_0_ring_emit_mem_sync,
1810         .emit_fence = sdma_v5_0_ring_emit_fence,
1811         .emit_pipeline_sync = sdma_v5_0_ring_emit_pipeline_sync,
1812         .emit_vm_flush = sdma_v5_0_ring_emit_vm_flush,
1813         .emit_hdp_flush = sdma_v5_0_ring_emit_hdp_flush,
1814         .test_ring = sdma_v5_0_ring_test_ring,
1815         .test_ib = sdma_v5_0_ring_test_ib,
1816         .insert_nop = sdma_v5_0_ring_insert_nop,
1817         .pad_ib = sdma_v5_0_ring_pad_ib,
1818         .emit_wreg = sdma_v5_0_ring_emit_wreg,
1819         .emit_reg_wait = sdma_v5_0_ring_emit_reg_wait,
1820         .emit_reg_write_reg_wait = sdma_v5_0_ring_emit_reg_write_reg_wait,
1821         .init_cond_exec = sdma_v5_0_ring_init_cond_exec,
1822         .patch_cond_exec = sdma_v5_0_ring_patch_cond_exec,
1823         .preempt_ib = sdma_v5_0_ring_preempt_ib,
1824 };
1825
1826 static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev)
1827 {
1828         int i;
1829
1830         for (i = 0; i < adev->sdma.num_instances; i++) {
1831                 adev->sdma.instance[i].ring.funcs = &sdma_v5_0_ring_funcs;
1832                 adev->sdma.instance[i].ring.me = i;
1833         }
1834 }
1835
1836 static const struct amdgpu_irq_src_funcs sdma_v5_0_trap_irq_funcs = {
1837         .set = sdma_v5_0_set_trap_irq_state,
1838         .process = sdma_v5_0_process_trap_irq,
1839 };
1840
1841 static const struct amdgpu_irq_src_funcs sdma_v5_0_illegal_inst_irq_funcs = {
1842         .process = sdma_v5_0_process_illegal_inst_irq,
1843 };
1844
1845 static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev)
1846 {
1847         adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE0 +
1848                                         adev->sdma.num_instances;
1849         adev->sdma.trap_irq.funcs = &sdma_v5_0_trap_irq_funcs;
1850         adev->sdma.illegal_inst_irq.funcs = &sdma_v5_0_illegal_inst_irq_funcs;
1851 }
1852
1853 /**
1854  * sdma_v5_0_emit_copy_buffer - copy buffer using the sDMA engine
1855  *
1856  * @ib: indirect buffer to copy to
1857  * @src_offset: src GPU address
1858  * @dst_offset: dst GPU address
1859  * @byte_count: number of bytes to xfer
1860  * @tmz: if a secure copy should be used
1861  *
1862  * Copy GPU buffers using the DMA engine (NAVI10).
1863  * Used by the amdgpu ttm implementation to move pages if
1864  * registered as the asic copy callback.
1865  */
1866 static void sdma_v5_0_emit_copy_buffer(struct amdgpu_ib *ib,
1867                                        uint64_t src_offset,
1868                                        uint64_t dst_offset,
1869                                        uint32_t byte_count,
1870                                        bool tmz)
1871 {
1872         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
1873                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) |
1874                 SDMA_PKT_COPY_LINEAR_HEADER_TMZ(tmz ? 1 : 0);
1875         ib->ptr[ib->length_dw++] = byte_count - 1;
1876         ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1877         ib->ptr[ib->length_dw++] = lower_32_bits(src_offset);
1878         ib->ptr[ib->length_dw++] = upper_32_bits(src_offset);
1879         ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
1880         ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
1881 }
1882
1883 /**
1884  * sdma_v5_0_emit_fill_buffer - fill buffer using the sDMA engine
1885  *
1886  * @ib: indirect buffer to fill
1887  * @src_data: value to write to buffer
1888  * @dst_offset: dst GPU address
1889  * @byte_count: number of bytes to xfer
1890  *
1891  * Fill GPU buffers using the DMA engine (NAVI10).
1892  */
1893 static void sdma_v5_0_emit_fill_buffer(struct amdgpu_ib *ib,
1894                                        uint32_t src_data,
1895                                        uint64_t dst_offset,
1896                                        uint32_t byte_count)
1897 {
1898         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL);
1899         ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
1900         ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
1901         ib->ptr[ib->length_dw++] = src_data;
1902         ib->ptr[ib->length_dw++] = byte_count - 1;
1903 }
1904
1905 static const struct amdgpu_buffer_funcs sdma_v5_0_buffer_funcs = {
1906         .copy_max_bytes = 0x400000,
1907         .copy_num_dw = 7,
1908         .emit_copy_buffer = sdma_v5_0_emit_copy_buffer,
1909
1910         .fill_max_bytes = 0x400000,
1911         .fill_num_dw = 5,
1912         .emit_fill_buffer = sdma_v5_0_emit_fill_buffer,
1913 };
1914
1915 static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev)
1916 {
1917         if (adev->mman.buffer_funcs == NULL) {
1918                 adev->mman.buffer_funcs = &sdma_v5_0_buffer_funcs;
1919                 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
1920         }
1921 }
1922
1923 static const struct amdgpu_vm_pte_funcs sdma_v5_0_vm_pte_funcs = {
1924         .copy_pte_num_dw = 7,
1925         .copy_pte = sdma_v5_0_vm_copy_pte,
1926         .write_pte = sdma_v5_0_vm_write_pte,
1927         .set_pte_pde = sdma_v5_0_vm_set_pte_pde,
1928 };
1929
1930 static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev)
1931 {
1932         unsigned i;
1933
1934         if (adev->vm_manager.vm_pte_funcs == NULL) {
1935                 adev->vm_manager.vm_pte_funcs = &sdma_v5_0_vm_pte_funcs;
1936                 for (i = 0; i < adev->sdma.num_instances; i++) {
1937                         adev->vm_manager.vm_pte_scheds[i] =
1938                                 &adev->sdma.instance[i].ring.sched;
1939                 }
1940                 adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances;
1941         }
1942 }
1943
1944 const struct amdgpu_ip_block_version sdma_v5_0_ip_block = {
1945         .type = AMD_IP_BLOCK_TYPE_SDMA,
1946         .major = 5,
1947         .minor = 0,
1948         .rev = 0,
1949         .funcs = &sdma_v5_0_ip_funcs,
1950 };