drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c

   1 /*
   2  * Copyright 2016 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/firmware.h>
  25
  26 #include "amdgpu.h"
  27 #include "amdgpu_vcn.h"
  28 #include "amdgpu_pm.h"
  29 #include "soc15.h"
  30 #include "soc15d.h"
  31 #include "soc15_common.h"
  32
  33 #include "vcn/vcn_1_0_offset.h"
  34 #include "vcn/vcn_1_0_sh_mask.h"
  35 #include "hdp/hdp_4_0_offset.h"
  36 #include "mmhub/mmhub_9_1_offset.h"
  37 #include "mmhub/mmhub_9_1_sh_mask.h"
  38
  39 #include "ivsrcid/vcn/irqsrcs_vcn_1_0.h"
  40 #include "jpeg_v1_0.h"
  41 #include "vcn_v1_0.h"
  42
  43 #define mmUVD_RBC_XX_IB_REG_CHECK_1_0           0x05ab
  44 #define mmUVD_RBC_XX_IB_REG_CHECK_1_0_BASE_IDX  1
  45 #define mmUVD_REG_XX_MASK_1_0                   0x05ac
  46 #define mmUVD_REG_XX_MASK_1_0_BASE_IDX          1
  47
  48 static int vcn_v1_0_stop(struct amdgpu_device *adev);
  49 static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev);
  50 static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev);
  51 static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev);
  52 static int vcn_v1_0_set_powergating_state(void *handle, enum amd_powergating_state state);
  53 static int vcn_v1_0_pause_dpg_mode(struct amdgpu_device *adev,
  54                                 int inst_idx, struct dpg_pause_state *new_state);
  55
  56 static void vcn_v1_0_idle_work_handler(struct work_struct *work);
  57
  58 /**
  59  * vcn_v1_0_early_init - set function pointers
  60  *
  61  * @handle: amdgpu_device pointer
  62  *
  63  * Set ring and irq function pointers
  64  */
  65 static int vcn_v1_0_early_init(void *handle)
  66 {
  67         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  68
  69         adev->vcn.num_vcn_inst = 1;
  70         adev->vcn.num_enc_rings = 2;
  71
  72         vcn_v1_0_set_dec_ring_funcs(adev);
  73         vcn_v1_0_set_enc_ring_funcs(adev);
  74         vcn_v1_0_set_irq_funcs(adev);
  75
  76         jpeg_v1_0_early_init(handle);
  77
  78         return 0;
  79 }
  80
  81 /**
  82  * vcn_v1_0_sw_init - sw init for VCN block
  83  *
  84  * @handle: amdgpu_device pointer
  85  *
  86  * Load firmware and sw initialization
  87  */
  88 static int vcn_v1_0_sw_init(void *handle)
  89 {
  90         struct amdgpu_ring *ring;
  91         int i, r;
  92         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  93
  94         /* VCN DEC TRAP */
  95         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
  96                         VCN_1_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst->irq);
  97         if (r)
  98                 return r;
  99
 100         /* VCN ENC TRAP */
 101         for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
 102                 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, i + VCN_1_0__SRCID__UVD_ENC_GENERAL_PURPOSE,
 103                                         &adev->vcn.inst->irq);
 104                 if (r)
 105                         return r;
 106         }
 107
 108         r = amdgpu_vcn_sw_init(adev);
 109         if (r)
 110                 return r;
 111
 112         /* Override the work func */
 113         adev->vcn.idle_work.work.func = vcn_v1_0_idle_work_handler;
 114
 115         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
 116                 const struct common_firmware_header *hdr;
 117                 hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
 118                 adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].ucode_id = AMDGPU_UCODE_ID_VCN;
 119                 adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].fw = adev->vcn.fw;
 120                 adev->firmware.fw_size +=
 121                         ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
 122                 DRM_INFO("PSP loading VCN firmware\n");
 123         }
 124
 125         r = amdgpu_vcn_resume(adev);
 126         if (r)
 127                 return r;
 128
 129         ring = &adev->vcn.inst->ring_dec;
 130         sprintf(ring->name, "vcn_dec");
 131         r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
 132                              AMDGPU_RING_PRIO_DEFAULT);
 133         if (r)
 134                 return r;
 135
 136         adev->vcn.internal.scratch9 = adev->vcn.inst->external.scratch9 =
 137                 SOC15_REG_OFFSET(UVD, 0, mmUVD_SCRATCH9);
 138         adev->vcn.internal.data0 = adev->vcn.inst->external.data0 =
 139                 SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0);
 140         adev->vcn.internal.data1 = adev->vcn.inst->external.data1 =
 141                 SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1);
 142         adev->vcn.internal.cmd = adev->vcn.inst->external.cmd =
 143                 SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD);
 144         adev->vcn.internal.nop = adev->vcn.inst->external.nop =
 145                 SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP);
 146
 147         for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
 148                 ring = &adev->vcn.inst->ring_enc[i];
 149                 sprintf(ring->name, "vcn_enc%d", i);
 150                 r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
 151                                      AMDGPU_RING_PRIO_DEFAULT);
 152                 if (r)
 153                         return r;
 154         }
 155
 156         adev->vcn.pause_dpg_mode = vcn_v1_0_pause_dpg_mode;
 157
 158         r = jpeg_v1_0_sw_init(handle);
 159
 160         return r;
 161 }
 162
 163 /**
 164  * vcn_v1_0_sw_fini - sw fini for VCN block
 165  *
 166  * @handle: amdgpu_device pointer
 167  *
 168  * VCN suspend and free up sw allocation
 169  */
 170 static int vcn_v1_0_sw_fini(void *handle)
 171 {
 172         int r;
 173         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 174
 175         r = amdgpu_vcn_suspend(adev);
 176         if (r)
 177                 return r;
 178
 179         jpeg_v1_0_sw_fini(handle);
 180
 181         r = amdgpu_vcn_sw_fini(adev);
 182
 183         return r;
 184 }
 185
 186 /**
 187  * vcn_v1_0_hw_init - start and test VCN block
 188  *
 189  * @handle: amdgpu_device pointer
 190  *
 191  * Initialize the hardware, boot up the VCPU and do some testing
 192  */
 193 static int vcn_v1_0_hw_init(void *handle)
 194 {
 195         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 196         struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
 197         int i, r;
 198
 199         r = amdgpu_ring_test_helper(ring);
 200         if (r)
 201                 goto done;
 202
 203         for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
 204                 ring = &adev->vcn.inst->ring_enc[i];
 205                 r = amdgpu_ring_test_helper(ring);
 206                 if (r)
 207                         goto done;
 208         }
 209
 210         ring = &adev->jpeg.inst->ring_dec;
 211         r = amdgpu_ring_test_helper(ring);
 212         if (r)
 213                 goto done;
 214
 215 done:
 216         if (!r)
 217                 DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
 218                         (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
 219
 220         return r;
 221 }
 222
 223 /**
 224  * vcn_v1_0_hw_fini - stop the hardware block
 225  *
 226  * @handle: amdgpu_device pointer
 227  *
 228  * Stop the VCN block, mark ring as not ready any more
 229  */
 230 static int vcn_v1_0_hw_fini(void *handle)
 231 {
 232         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 233
 234         if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
 235                 RREG32_SOC15(VCN, 0, mmUVD_STATUS))
 236                 vcn_v1_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
 237
 238         return 0;
 239 }
 240
 241 /**
 242  * vcn_v1_0_suspend - suspend VCN block
 243  *
 244  * @handle: amdgpu_device pointer
 245  *
 246  * HW fini and suspend VCN block
 247  */
 248 static int vcn_v1_0_suspend(void *handle)
 249 {
 250         int r;
 251         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 252
 253         r = vcn_v1_0_hw_fini(adev);
 254         if (r)
 255                 return r;
 256
 257         r = amdgpu_vcn_suspend(adev);
 258
 259         return r;
 260 }
 261
 262 /**
 263  * vcn_v1_0_resume - resume VCN block
 264  *
 265  * @handle: amdgpu_device pointer
 266  *
 267  * Resume firmware and hw init VCN block
 268  */
 269 static int vcn_v1_0_resume(void *handle)
 270 {
 271         int r;
 272         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 273
 274         r = amdgpu_vcn_resume(adev);
 275         if (r)
 276                 return r;
 277
 278         r = vcn_v1_0_hw_init(adev);
 279
 280         return r;
 281 }
 282
 283 /**
 284  * vcn_v1_0_mc_resume_spg_mode - memory controller programming
 285  *
 286  * @adev: amdgpu_device pointer
 287  *
 288  * Let the VCN memory controller know it's offsets
 289  */
 290 static void vcn_v1_0_mc_resume_spg_mode(struct amdgpu_device *adev)
 291 {
 292         uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
 293         uint32_t offset;
 294
 295         /* cache window 0: fw */
 296         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
 297                 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
 298                              (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo));
 299                 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
 300                              (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi));
 301                 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0);
 302                 offset = 0;
 303         } else {
 304                 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
 305                         lower_32_bits(adev->vcn.inst->gpu_addr));
 306                 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
 307                         upper_32_bits(adev->vcn.inst->gpu_addr));
 308                 offset = size;
 309                 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
 310                              AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
 311         }
 312
 313         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size);
 314
 315         /* cache window 1: stack */
 316         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
 317                      lower_32_bits(adev->vcn.inst->gpu_addr + offset));
 318         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
 319                      upper_32_bits(adev->vcn.inst->gpu_addr + offset));
 320         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0);
 321         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
 322
 323         /* cache window 2: context */
 324         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
 325                      lower_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
 326         WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
 327                      upper_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
 328         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0);
 329         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
 330
 331         WREG32_SOC15(UVD, 0, mmUVD_UDEC_ADDR_CONFIG,
 332                         adev->gfx.config.gb_addr_config);
 333         WREG32_SOC15(UVD, 0, mmUVD_UDEC_DB_ADDR_CONFIG,
 334                         adev->gfx.config.gb_addr_config);
 335         WREG32_SOC15(UVD, 0, mmUVD_UDEC_DBW_ADDR_CONFIG,
 336                         adev->gfx.config.gb_addr_config);
 337         WREG32_SOC15(UVD, 0, mmUVD_UDEC_DBW_UV_ADDR_CONFIG,
 338                         adev->gfx.config.gb_addr_config);
 339         WREG32_SOC15(UVD, 0, mmUVD_MIF_CURR_ADDR_CONFIG,
 340                         adev->gfx.config.gb_addr_config);
 341         WREG32_SOC15(UVD, 0, mmUVD_MIF_CURR_UV_ADDR_CONFIG,
 342                         adev->gfx.config.gb_addr_config);
 343         WREG32_SOC15(UVD, 0, mmUVD_MIF_RECON1_ADDR_CONFIG,
 344                         adev->gfx.config.gb_addr_config);
 345         WREG32_SOC15(UVD, 0, mmUVD_MIF_RECON1_UV_ADDR_CONFIG,
 346                         adev->gfx.config.gb_addr_config);
 347         WREG32_SOC15(UVD, 0, mmUVD_MIF_REF_ADDR_CONFIG,
 348                         adev->gfx.config.gb_addr_config);
 349         WREG32_SOC15(UVD, 0, mmUVD_MIF_REF_UV_ADDR_CONFIG,
 350                         adev->gfx.config.gb_addr_config);
 351         WREG32_SOC15(UVD, 0, mmUVD_JPEG_ADDR_CONFIG,
 352                         adev->gfx.config.gb_addr_config);
 353         WREG32_SOC15(UVD, 0, mmUVD_JPEG_UV_ADDR_CONFIG,
 354                         adev->gfx.config.gb_addr_config);
 355 }
 356
 357 static void vcn_v1_0_mc_resume_dpg_mode(struct amdgpu_device *adev)
 358 {
 359         uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
 360         uint32_t offset;
 361
 362         /* cache window 0: fw */
 363         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
 364                 WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
 365                              (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo),
 366                              0xFFFFFFFF, 0);
 367                 WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
 368                              (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi),
 369                              0xFFFFFFFF, 0);
 370                 WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0,
 371                              0xFFFFFFFF, 0);
 372                 offset = 0;
 373         } else {
 374                 WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
 375                         lower_32_bits(adev->vcn.inst->gpu_addr), 0xFFFFFFFF, 0);
 376                 WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
 377                         upper_32_bits(adev->vcn.inst->gpu_addr), 0xFFFFFFFF, 0);
 378                 offset = size;
 379                 WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
 380                              AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0xFFFFFFFF, 0);
 381         }
 382
 383         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size, 0xFFFFFFFF, 0);
 384
 385         /* cache window 1: stack */
 386         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
 387                      lower_32_bits(adev->vcn.inst->gpu_addr + offset), 0xFFFFFFFF, 0);
 388         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
 389                      upper_32_bits(adev->vcn.inst->gpu_addr + offset), 0xFFFFFFFF, 0);
 390         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0,
 391                              0xFFFFFFFF, 0);
 392         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE,
 393                              0xFFFFFFFF, 0);
 394
 395         /* cache window 2: context */
 396         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
 397                      lower_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE),
 398                              0xFFFFFFFF, 0);
 399         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
 400                      upper_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE),
 401                              0xFFFFFFFF, 0);
 402         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0, 0xFFFFFFFF, 0);
 403         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE,
 404                              0xFFFFFFFF, 0);
 405
 406         /* VCN global tiling registers */
 407         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_UDEC_ADDR_CONFIG,
 408                         adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 409         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_UDEC_DB_ADDR_CONFIG,
 410                         adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 411         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_UDEC_DBW_ADDR_CONFIG,
 412                         adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 413         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_UDEC_DBW_UV_ADDR_CONFIG,
 414                 adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 415         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MIF_CURR_ADDR_CONFIG,
 416                 adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 417         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MIF_CURR_UV_ADDR_CONFIG,
 418                 adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 419         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MIF_RECON1_ADDR_CONFIG,
 420                 adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 421         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MIF_RECON1_UV_ADDR_CONFIG,
 422                 adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 423         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MIF_REF_ADDR_CONFIG,
 424                 adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 425         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MIF_REF_UV_ADDR_CONFIG,
 426                 adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 427 }
 428
 429 /**
 430  * vcn_v1_0_disable_clock_gating - disable VCN clock gating
 431  *
 432  * @adev: amdgpu_device pointer
 433  * @sw: enable SW clock gating
 434  *
 435  * Disable clock gating for VCN block
 436  */
 437 static void vcn_v1_0_disable_clock_gating(struct amdgpu_device *adev)
 438 {
 439         uint32_t data;
 440
 441         /* JPEG disable CGC */
 442         data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL);
 443
 444         if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 445                 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 446         else
 447                 data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE_MASK;
 448
 449         data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 450         data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 451         WREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL, data);
 452
 453         data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE);
 454         data &= ~(JPEG_CGC_GATE__JPEG_MASK | JPEG_CGC_GATE__JPEG2_MASK);
 455         WREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE, data);
 456
 457         /* UVD disable CGC */
 458         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 459         if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 460                 data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 461         else
 462                 data &= ~ UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
 463
 464         data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 465         data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 466         WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 467
 468         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_GATE);
 469         data &= ~(UVD_CGC_GATE__SYS_MASK
 470                 | UVD_CGC_GATE__UDEC_MASK
 471                 | UVD_CGC_GATE__MPEG2_MASK
 472                 | UVD_CGC_GATE__REGS_MASK
 473                 | UVD_CGC_GATE__RBC_MASK
 474                 | UVD_CGC_GATE__LMI_MC_MASK
 475                 | UVD_CGC_GATE__LMI_UMC_MASK
 476                 | UVD_CGC_GATE__IDCT_MASK
 477                 | UVD_CGC_GATE__MPRD_MASK
 478                 | UVD_CGC_GATE__MPC_MASK
 479                 | UVD_CGC_GATE__LBSI_MASK
 480                 | UVD_CGC_GATE__LRBBM_MASK
 481                 | UVD_CGC_GATE__UDEC_RE_MASK
 482                 | UVD_CGC_GATE__UDEC_CM_MASK
 483                 | UVD_CGC_GATE__UDEC_IT_MASK
 484                 | UVD_CGC_GATE__UDEC_DB_MASK
 485                 | UVD_CGC_GATE__UDEC_MP_MASK
 486                 | UVD_CGC_GATE__WCB_MASK
 487                 | UVD_CGC_GATE__VCPU_MASK
 488                 | UVD_CGC_GATE__SCPU_MASK);
 489         WREG32_SOC15(VCN, 0, mmUVD_CGC_GATE, data);
 490
 491         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 492         data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
 493                 | UVD_CGC_CTRL__UDEC_CM_MODE_MASK
 494                 | UVD_CGC_CTRL__UDEC_IT_MODE_MASK
 495                 | UVD_CGC_CTRL__UDEC_DB_MODE_MASK
 496                 | UVD_CGC_CTRL__UDEC_MP_MODE_MASK
 497                 | UVD_CGC_CTRL__SYS_MODE_MASK
 498                 | UVD_CGC_CTRL__UDEC_MODE_MASK
 499                 | UVD_CGC_CTRL__MPEG2_MODE_MASK
 500                 | UVD_CGC_CTRL__REGS_MODE_MASK
 501                 | UVD_CGC_CTRL__RBC_MODE_MASK
 502                 | UVD_CGC_CTRL__LMI_MC_MODE_MASK
 503                 | UVD_CGC_CTRL__LMI_UMC_MODE_MASK
 504                 | UVD_CGC_CTRL__IDCT_MODE_MASK
 505                 | UVD_CGC_CTRL__MPRD_MODE_MASK
 506                 | UVD_CGC_CTRL__MPC_MODE_MASK
 507                 | UVD_CGC_CTRL__LBSI_MODE_MASK
 508                 | UVD_CGC_CTRL__LRBBM_MODE_MASK
 509                 | UVD_CGC_CTRL__WCB_MODE_MASK
 510                 | UVD_CGC_CTRL__VCPU_MODE_MASK
 511                 | UVD_CGC_CTRL__SCPU_MODE_MASK);
 512         WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 513
 514         /* turn on */
 515         data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE);
 516         data |= (UVD_SUVD_CGC_GATE__SRE_MASK
 517                 | UVD_SUVD_CGC_GATE__SIT_MASK
 518                 | UVD_SUVD_CGC_GATE__SMP_MASK
 519                 | UVD_SUVD_CGC_GATE__SCM_MASK
 520                 | UVD_SUVD_CGC_GATE__SDB_MASK
 521                 | UVD_SUVD_CGC_GATE__SRE_H264_MASK
 522                 | UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
 523                 | UVD_SUVD_CGC_GATE__SIT_H264_MASK
 524                 | UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
 525                 | UVD_SUVD_CGC_GATE__SCM_H264_MASK
 526                 | UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
 527                 | UVD_SUVD_CGC_GATE__SDB_H264_MASK
 528                 | UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
 529                 | UVD_SUVD_CGC_GATE__SCLR_MASK
 530                 | UVD_SUVD_CGC_GATE__UVD_SC_MASK
 531                 | UVD_SUVD_CGC_GATE__ENT_MASK
 532                 | UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
 533                 | UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
 534                 | UVD_SUVD_CGC_GATE__SITE_MASK
 535                 | UVD_SUVD_CGC_GATE__SRE_VP9_MASK
 536                 | UVD_SUVD_CGC_GATE__SCM_VP9_MASK
 537                 | UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
 538                 | UVD_SUVD_CGC_GATE__SDB_VP9_MASK
 539                 | UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
 540         WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE, data);
 541
 542         data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
 543         data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
 544                 | UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
 545                 | UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
 546                 | UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
 547                 | UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
 548                 | UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
 549                 | UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
 550                 | UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
 551                 | UVD_SUVD_CGC_CTRL__IME_MODE_MASK
 552                 | UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
 553         WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
 554 }
 555
 556 /**
 557  * vcn_v1_0_enable_clock_gating - enable VCN clock gating
 558  *
 559  * @adev: amdgpu_device pointer
 560  * @sw: enable SW clock gating
 561  *
 562  * Enable clock gating for VCN block
 563  */
 564 static void vcn_v1_0_enable_clock_gating(struct amdgpu_device *adev)
 565 {
 566         uint32_t data = 0;
 567
 568         /* enable JPEG CGC */
 569         data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL);
 570         if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 571                 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 572         else
 573                 data |= 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 574         data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 575         data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 576         WREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL, data);
 577
 578         data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE);
 579         data |= (JPEG_CGC_GATE__JPEG_MASK | JPEG_CGC_GATE__JPEG2_MASK);
 580         WREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE, data);
 581
 582         /* enable UVD CGC */
 583         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 584         if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 585                 data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 586         else
 587                 data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 588         data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 589         data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 590         WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 591
 592         data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 593         data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
 594                 | UVD_CGC_CTRL__UDEC_CM_MODE_MASK
 595                 | UVD_CGC_CTRL__UDEC_IT_MODE_MASK
 596                 | UVD_CGC_CTRL__UDEC_DB_MODE_MASK
 597                 | UVD_CGC_CTRL__UDEC_MP_MODE_MASK
 598                 | UVD_CGC_CTRL__SYS_MODE_MASK
 599                 | UVD_CGC_CTRL__UDEC_MODE_MASK
 600                 | UVD_CGC_CTRL__MPEG2_MODE_MASK
 601                 | UVD_CGC_CTRL__REGS_MODE_MASK
 602                 | UVD_CGC_CTRL__RBC_MODE_MASK
 603                 | UVD_CGC_CTRL__LMI_MC_MODE_MASK
 604                 | UVD_CGC_CTRL__LMI_UMC_MODE_MASK
 605                 | UVD_CGC_CTRL__IDCT_MODE_MASK
 606                 | UVD_CGC_CTRL__MPRD_MODE_MASK
 607                 | UVD_CGC_CTRL__MPC_MODE_MASK
 608                 | UVD_CGC_CTRL__LBSI_MODE_MASK
 609                 | UVD_CGC_CTRL__LRBBM_MODE_MASK
 610                 | UVD_CGC_CTRL__WCB_MODE_MASK
 611                 | UVD_CGC_CTRL__VCPU_MODE_MASK
 612                 | UVD_CGC_CTRL__SCPU_MODE_MASK);
 613         WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 614
 615         data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
 616         data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
 617                 | UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
 618                 | UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
 619                 | UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
 620                 | UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
 621                 | UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
 622                 | UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
 623                 | UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
 624                 | UVD_SUVD_CGC_CTRL__IME_MODE_MASK
 625                 | UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
 626         WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
 627 }
 628
 629 static void vcn_v1_0_clock_gating_dpg_mode(struct amdgpu_device *adev, uint8_t sram_sel)
 630 {
 631         uint32_t reg_data = 0;
 632
 633         /* disable JPEG CGC */
 634         if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 635                 reg_data = 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 636         else
 637                 reg_data = 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 638         reg_data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 639         reg_data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 640         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmJPEG_CGC_CTRL, reg_data, 0xFFFFFFFF, sram_sel);
 641
 642         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmJPEG_CGC_GATE, 0, 0xFFFFFFFF, sram_sel);
 643
 644         /* enable sw clock gating control */
 645         if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 646                 reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 647         else
 648                 reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 649         reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 650         reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 651         reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
 652                  UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
 653                  UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
 654                  UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
 655                  UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
 656                  UVD_CGC_CTRL__SYS_MODE_MASK |
 657                  UVD_CGC_CTRL__UDEC_MODE_MASK |
 658                  UVD_CGC_CTRL__MPEG2_MODE_MASK |
 659                  UVD_CGC_CTRL__REGS_MODE_MASK |
 660                  UVD_CGC_CTRL__RBC_MODE_MASK |
 661                  UVD_CGC_CTRL__LMI_MC_MODE_MASK |
 662                  UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
 663                  UVD_CGC_CTRL__IDCT_MODE_MASK |
 664                  UVD_CGC_CTRL__MPRD_MODE_MASK |
 665                  UVD_CGC_CTRL__MPC_MODE_MASK |
 666                  UVD_CGC_CTRL__LBSI_MODE_MASK |
 667                  UVD_CGC_CTRL__LRBBM_MODE_MASK |
 668                  UVD_CGC_CTRL__WCB_MODE_MASK |
 669                  UVD_CGC_CTRL__VCPU_MODE_MASK |
 670                  UVD_CGC_CTRL__SCPU_MODE_MASK);
 671         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_CGC_CTRL, reg_data, 0xFFFFFFFF, sram_sel);
 672
 673         /* turn off clock gating */
 674         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_CGC_GATE, 0, 0xFFFFFFFF, sram_sel);
 675
 676         /* turn on SUVD clock gating */
 677         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_SUVD_CGC_GATE, 1, 0xFFFFFFFF, sram_sel);
 678
 679         /* turn on sw mode in UVD_SUVD_CGC_CTRL */
 680         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_SUVD_CGC_CTRL, 0, 0xFFFFFFFF, sram_sel);
 681 }
 682
 683 static void vcn_1_0_disable_static_power_gating(struct amdgpu_device *adev)
 684 {
 685         uint32_t data = 0;
 686
 687         if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
 688                 data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
 689                         | 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
 690                         | 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
 691                         | 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
 692                         | 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
 693                         | 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
 694                         | 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
 695                         | 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
 696                         | 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
 697                         | 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
 698                         | 2 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT);
 699
 700                 WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
 701                 SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON, 0xFFFFFF);
 702         } else {
 703                 data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
 704                         | 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
 705                         | 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
 706                         | 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
 707                         | 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
 708                         | 1 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
 709                         | 1 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
 710                         | 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
 711                         | 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
 712                         | 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
 713                         | 1 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT);
 714                 WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
 715                 SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 0,  0xFFFFFFFF);
 716         }
 717
 718         /* polling UVD_PGFSM_STATUS to confirm UVDM_PWR_STATUS , UVDU_PWR_STATUS are 0 (power on) */
 719
 720         data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
 721         data &= ~0x103;
 722         if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
 723                 data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON | UVD_POWER_STATUS__UVD_PG_EN_MASK;
 724
 725         WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
 726 }
 727
 728 static void vcn_1_0_enable_static_power_gating(struct amdgpu_device *adev)
 729 {
 730         uint32_t data = 0;
 731
 732         if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
 733                 /* Before power off, this indicator has to be turned on */
 734                 data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
 735                 data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
 736                 data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
 737                 WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
 738
 739
 740                 data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
 741                         | 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
 742                         | 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
 743                         | 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
 744                         | 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
 745                         | 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
 746                         | 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
 747                         | 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
 748                         | 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
 749                         | 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
 750                         | 2 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT);
 751
 752                 WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
 753
 754                 data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
 755                         | 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT
 756                         | 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
 757                         | 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT
 758                         | 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
 759                         | 2 << UVD_PGFSM_STATUS__UVDIL_PWR_STATUS__SHIFT
 760                         | 2 << UVD_PGFSM_STATUS__UVDIR_PWR_STATUS__SHIFT
 761                         | 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
 762                         | 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
 763                         | 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT
 764                         | 2 << UVD_PGFSM_STATUS__UVDW_PWR_STATUS__SHIFT);
 765                 SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, data, 0xFFFFFFFF);
 766         }
 767 }
 768
 769 /**
 770  * vcn_v1_0_start - start VCN block
 771  *
 772  * @adev: amdgpu_device pointer
 773  *
 774  * Setup and start the VCN block
 775  */
 776 static int vcn_v1_0_start_spg_mode(struct amdgpu_device *adev)
 777 {
 778         struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
 779         uint32_t rb_bufsz, tmp;
 780         uint32_t lmi_swap_cntl;
 781         int i, j, r;
 782
 783         /* disable byte swapping */
 784         lmi_swap_cntl = 0;
 785
 786         vcn_1_0_disable_static_power_gating(adev);
 787
 788         tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
 789         WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
 790
 791         /* disable clock gating */
 792         vcn_v1_0_disable_clock_gating(adev);
 793
 794         /* disable interupt */
 795         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0,
 796                         ~UVD_MASTINT_EN__VCPU_EN_MASK);
 797
 798         /* initialize VCN memory controller */
 799         tmp = RREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL);
 800         WREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL, tmp                |
 801                 UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
 802                 UVD_LMI_CTRL__MASK_MC_URGENT_MASK                       |
 803                 UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK            |
 804                 UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
 805
 806 #ifdef __BIG_ENDIAN
 807         /* swap (8 in 32) RB and IB */
 808         lmi_swap_cntl = 0xa;
 809 #endif
 810         WREG32_SOC15(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
 811
 812         tmp = RREG32_SOC15(UVD, 0, mmUVD_MPC_CNTL);
 813         tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
 814         tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
 815         WREG32_SOC15(UVD, 0, mmUVD_MPC_CNTL, tmp);
 816
 817         WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA0,
 818                 ((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
 819                 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
 820                 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
 821                 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
 822
 823         WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB0,
 824                 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
 825                 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
 826                 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
 827                 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
 828
 829         WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUX,
 830                 ((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
 831                 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
 832                 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
 833
 834         vcn_v1_0_mc_resume_spg_mode(adev);
 835
 836         WREG32_SOC15(UVD, 0, mmUVD_REG_XX_MASK_1_0, 0x10);
 837         WREG32_SOC15(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK_1_0,
 838                 RREG32_SOC15(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK_1_0) | 0x3);
 839
 840         /* enable VCPU clock */
 841         WREG32_SOC15(UVD, 0, mmUVD_VCPU_CNTL, UVD_VCPU_CNTL__CLK_EN_MASK);
 842
 843         /* boot up the VCPU */
 844         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
 845                         ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
 846
 847         /* enable UMC */
 848         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0,
 849                         ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
 850
 851         tmp = RREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET);
 852         tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
 853         tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
 854         WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, tmp);
 855
 856         for (i = 0; i < 10; ++i) {
 857                 uint32_t status;
 858
 859                 for (j = 0; j < 100; ++j) {
 860                         status = RREG32_SOC15(UVD, 0, mmUVD_STATUS);
 861                         if (status & UVD_STATUS__IDLE)
 862                                 break;
 863                         mdelay(10);
 864                 }
 865                 r = 0;
 866                 if (status & UVD_STATUS__IDLE)
 867                         break;
 868
 869                 DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
 870                 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
 871                                 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
 872                                 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
 873                 mdelay(10);
 874                 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
 875                                 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
 876                 mdelay(10);
 877                 r = -1;
 878         }
 879
 880         if (r) {
 881                 DRM_ERROR("VCN decode not responding, giving up!!!\n");
 882                 return r;
 883         }
 884         /* enable master interrupt */
 885         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN),
 886                 UVD_MASTINT_EN__VCPU_EN_MASK, ~UVD_MASTINT_EN__VCPU_EN_MASK);
 887
 888         /* enable system interrupt for JRBC, TODO: move to set interrupt*/
 889         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SYS_INT_EN),
 890                 UVD_SYS_INT_EN__UVD_JRBC_EN_MASK,
 891                 ~UVD_SYS_INT_EN__UVD_JRBC_EN_MASK);
 892
 893         /* clear the busy bit of UVD_STATUS */
 894         tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) & ~UVD_STATUS__UVD_BUSY;
 895         WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
 896
 897         /* force RBC into idle state */
 898         rb_bufsz = order_base_2(ring->ring_size);
 899         tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
 900         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
 901         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
 902         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
 903         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
 904         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
 905
 906         /* set the write pointer delay */
 907         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
 908
 909         /* set the wb address */
 910         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR,
 911                         (upper_32_bits(ring->gpu_addr) >> 2));
 912
 913         /* programm the RB_BASE for ring buffer */
 914         WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
 915                         lower_32_bits(ring->gpu_addr));
 916         WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
 917                         upper_32_bits(ring->gpu_addr));
 918
 919         /* Initialize the ring buffer's read and write pointers */
 920         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
 921
 922         WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
 923
 924         ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
 925         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
 926                         lower_32_bits(ring->wptr));
 927
 928         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0,
 929                         ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
 930
 931         ring = &adev->vcn.inst->ring_enc[0];
 932         WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
 933         WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
 934         WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
 935         WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
 936         WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
 937
 938         ring = &adev->vcn.inst->ring_enc[1];
 939         WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
 940         WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
 941         WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
 942         WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
 943         WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
 944
 945         jpeg_v1_0_start(adev, 0);
 946
 947         return 0;
 948 }
 949
 950 static int vcn_v1_0_start_dpg_mode(struct amdgpu_device *adev)
 951 {
 952         struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
 953         uint32_t rb_bufsz, tmp;
 954         uint32_t lmi_swap_cntl;
 955
 956         /* disable byte swapping */
 957         lmi_swap_cntl = 0;
 958
 959         vcn_1_0_enable_static_power_gating(adev);
 960
 961         /* enable dynamic power gating mode */
 962         tmp = RREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS);
 963         tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
 964         tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
 965         WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, tmp);
 966
 967         /* enable clock gating */
 968         vcn_v1_0_clock_gating_dpg_mode(adev, 0);
 969
 970         /* enable VCPU clock */
 971         tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
 972         tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
 973         tmp |= UVD_VCPU_CNTL__MIF_WR_LOW_THRESHOLD_BP_MASK;
 974         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CNTL, tmp, 0xFFFFFFFF, 0);
 975
 976         /* disable interupt */
 977         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MASTINT_EN,
 978                         0, UVD_MASTINT_EN__VCPU_EN_MASK, 0);
 979
 980         /* initialize VCN memory controller */
 981         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_CTRL,
 982                 (8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
 983                 UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
 984                 UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
 985                 UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
 986                 UVD_LMI_CTRL__REQ_MODE_MASK |
 987                 UVD_LMI_CTRL__CRC_RESET_MASK |
 988                 UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
 989                 0x00100000L, 0xFFFFFFFF, 0);
 990
 991 #ifdef __BIG_ENDIAN
 992         /* swap (8 in 32) RB and IB */
 993         lmi_swap_cntl = 0xa;
 994 #endif
 995         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl, 0xFFFFFFFF, 0);
 996
 997         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MPC_CNTL,
 998                 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0xFFFFFFFF, 0);
 999
1000         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MPC_SET_MUXA0,
1001                 ((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1002                  (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1003                  (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1004                  (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0xFFFFFFFF, 0);
1005
1006         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MPC_SET_MUXB0,
1007                 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1008                  (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1009                  (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1010                  (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0xFFFFFFFF, 0);
1011
1012         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MPC_SET_MUX,
1013                 ((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1014                  (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1015                  (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0xFFFFFFFF, 0);
1016
1017         vcn_v1_0_mc_resume_dpg_mode(adev);
1018
1019         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_REG_XX_MASK, 0x10, 0xFFFFFFFF, 0);
1020         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK, 0x3, 0xFFFFFFFF, 0);
1021
1022         /* boot up the VCPU */
1023         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_SOFT_RESET, 0, 0xFFFFFFFF, 0);
1024
1025         /* enable UMC */
1026         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_CTRL2,
1027                 0x1F << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT,
1028                 0xFFFFFFFF, 0);
1029
1030         /* enable master interrupt */
1031         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MASTINT_EN,
1032                         UVD_MASTINT_EN__VCPU_EN_MASK, UVD_MASTINT_EN__VCPU_EN_MASK, 0);
1033
1034         vcn_v1_0_clock_gating_dpg_mode(adev, 1);
1035         /* setup mmUVD_LMI_CTRL */
1036         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_CTRL,
1037                 (8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
1038                 UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
1039                 UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1040                 UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
1041                 UVD_LMI_CTRL__REQ_MODE_MASK |
1042                 UVD_LMI_CTRL__CRC_RESET_MASK |
1043                 UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1044                 0x00100000L, 0xFFFFFFFF, 1);
1045
1046         tmp = adev->gfx.config.gb_addr_config;
1047         /* setup VCN global tiling registers */
1048         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_JPEG_ADDR_CONFIG, tmp, 0xFFFFFFFF, 1);
1049         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_JPEG_UV_ADDR_CONFIG, tmp, 0xFFFFFFFF, 1);
1050
1051         /* enable System Interrupt for JRBC */
1052         WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_SYS_INT_EN,
1053                                                                         UVD_SYS_INT_EN__UVD_JRBC_EN_MASK, 0xFFFFFFFF, 1);
1054
1055         /* force RBC into idle state */
1056         rb_bufsz = order_base_2(ring->ring_size);
1057         tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1058         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1059         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1060         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1061         tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1062         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
1063
1064         /* set the write pointer delay */
1065         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
1066
1067         /* set the wb address */
1068         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR,
1069                                                                 (upper_32_bits(ring->gpu_addr) >> 2));
1070
1071         /* programm the RB_BASE for ring buffer */
1072         WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1073                                                                 lower_32_bits(ring->gpu_addr));
1074         WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1075                                                                 upper_32_bits(ring->gpu_addr));
1076
1077         /* Initialize the ring buffer's read and write pointers */
1078         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
1079
1080         WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
1081
1082         ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1083         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1084                                                                 lower_32_bits(ring->wptr));
1085
1086         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0,
1087                         ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
1088
1089         jpeg_v1_0_start(adev, 1);
1090
1091         return 0;
1092 }
1093
1094 static int vcn_v1_0_start(struct amdgpu_device *adev)
1095 {
1096         int r;
1097
1098         if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1099                 r = vcn_v1_0_start_dpg_mode(adev);
1100         else
1101                 r = vcn_v1_0_start_spg_mode(adev);
1102         return r;
1103 }
1104
1105 /**
1106  * vcn_v1_0_stop - stop VCN block
1107  *
1108  * @adev: amdgpu_device pointer
1109  *
1110  * stop the VCN block
1111  */
1112 static int vcn_v1_0_stop_spg_mode(struct amdgpu_device *adev)
1113 {
1114         int tmp;
1115
1116         SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1117
1118         tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1119                 UVD_LMI_STATUS__READ_CLEAN_MASK |
1120                 UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1121                 UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1122         SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp);
1123
1124         /* put VCPU into reset */
1125         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1126                 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
1127                 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1128
1129         tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
1130                 UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1131         SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp);
1132
1133         /* disable VCPU clock */
1134         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 0,
1135                 ~UVD_VCPU_CNTL__CLK_EN_MASK);
1136
1137         /* reset LMI UMC/LMI */
1138         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1139                 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK,
1140                 ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
1141
1142         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1143                 UVD_SOFT_RESET__LMI_SOFT_RESET_MASK,
1144                 ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK);
1145
1146         WREG32_SOC15(UVD, 0, mmUVD_STATUS, 0);
1147
1148         vcn_v1_0_enable_clock_gating(adev);
1149         vcn_1_0_enable_static_power_gating(adev);
1150         return 0;
1151 }
1152
1153 static int vcn_v1_0_stop_dpg_mode(struct amdgpu_device *adev)
1154 {
1155         uint32_t tmp;
1156
1157         /* Wait for power status to be UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF */
1158         SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1159                         UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
1160                         UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1161
1162         /* wait for read ptr to be equal to write ptr */
1163         tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
1164         SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1165
1166         tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
1167         SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1168
1169         tmp = RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
1170         SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_JRBC_RB_RPTR, tmp, 0xFFFFFFFF);
1171
1172         tmp = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1173         SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1174
1175         SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1176                 UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
1177                 UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1178
1179         /* disable dynamic power gating mode */
1180         WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0,
1181                         ~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1182
1183         return 0;
1184 }
1185
1186 static int vcn_v1_0_stop(struct amdgpu_device *adev)
1187 {
1188         int r;
1189
1190         if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1191                 r = vcn_v1_0_stop_dpg_mode(adev);
1192         else
1193                 r = vcn_v1_0_stop_spg_mode(adev);
1194
1195         return r;
1196 }
1197
1198 static int vcn_v1_0_pause_dpg_mode(struct amdgpu_device *adev,
1199                                 int inst_idx, struct dpg_pause_state *new_state)
1200 {
1201         int ret_code;
1202         uint32_t reg_data = 0;
1203         uint32_t reg_data2 = 0;
1204         struct amdgpu_ring *ring;
1205
1206         /* pause/unpause if state is changed */
1207         if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1208                 DRM_DEBUG("dpg pause state changed %d:%d -> %d:%d",
1209                         adev->vcn.inst[inst_idx].pause_state.fw_based,
1210                         adev->vcn.inst[inst_idx].pause_state.jpeg,
1211                         new_state->fw_based, new_state->jpeg);
1212
1213                 reg_data = RREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE) &
1214                         (~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1215
1216                 if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1217                         ret_code = 0;
1218
1219                         if (!(reg_data & UVD_DPG_PAUSE__JPEG_PAUSE_DPG_ACK_MASK))
1220                                 ret_code = SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1221                                                    UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
1222                                                    UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1223
1224                         if (!ret_code) {
1225                                 /* pause DPG non-jpeg */
1226                                 reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1227                                 WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1228                                 SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_DPG_PAUSE,
1229                                                    UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1230                                                    UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1231
1232                                 /* Restore */
1233                                 ring = &adev->vcn.inst->ring_enc[0];
1234                                 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
1235                                 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1236                                 WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
1237                                 WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1238                                 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1239
1240                                 ring = &adev->vcn.inst->ring_enc[1];
1241                                 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1242                                 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1243                                 WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
1244                                 WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1245                                 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1246
1247                                 ring = &adev->vcn.inst->ring_dec;
1248                                 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1249                                                    RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
1250                                 SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1251                                                    UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
1252                                                    UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1253                         }
1254                 } else {
1255                         /* unpause dpg non-jpeg, no need to wait */
1256                         reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1257                         WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1258                 }
1259                 adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1260         }
1261
1262         /* pause/unpause if state is changed */
1263         if (adev->vcn.inst[inst_idx].pause_state.jpeg != new_state->jpeg) {
1264                 DRM_DEBUG("dpg pause state changed %d:%d -> %d:%d",
1265                         adev->vcn.inst[inst_idx].pause_state.fw_based,
1266                         adev->vcn.inst[inst_idx].pause_state.jpeg,
1267                         new_state->fw_based, new_state->jpeg);
1268
1269                 reg_data = RREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE) &
1270                         (~UVD_DPG_PAUSE__JPEG_PAUSE_DPG_ACK_MASK);
1271
1272                 if (new_state->jpeg == VCN_DPG_STATE__PAUSE) {
1273                         ret_code = 0;
1274
1275                         if (!(reg_data & UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK))
1276                                 ret_code = SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1277                                                    UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
1278                                                    UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1279
1280                         if (!ret_code) {
1281                                 /* Make sure JPRG Snoop is disabled before sending the pause */
1282                                 reg_data2 = RREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS);
1283                                 reg_data2 |= UVD_POWER_STATUS__JRBC_SNOOP_DIS_MASK;
1284                                 WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, reg_data2);
1285
1286                                 /* pause DPG jpeg */
1287                                 reg_data |= UVD_DPG_PAUSE__JPEG_PAUSE_DPG_REQ_MASK;
1288                                 WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1289                                 SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_DPG_PAUSE,
1290                                                         UVD_DPG_PAUSE__JPEG_PAUSE_DPG_ACK_MASK,
1291                                                         UVD_DPG_PAUSE__JPEG_PAUSE_DPG_ACK_MASK);
1292
1293                                 /* Restore */
1294                                 ring = &adev->jpeg.inst->ring_dec;
1295                                 WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
1296                                 WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_CNTL,
1297                                                         UVD_JRBC_RB_CNTL__RB_NO_FETCH_MASK |
1298                                                         UVD_JRBC_RB_CNTL__RB_RPTR_WR_EN_MASK);
1299                                 WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
1300                                                         lower_32_bits(ring->gpu_addr));
1301                                 WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
1302                                                         upper_32_bits(ring->gpu_addr));
1303                                 WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_RPTR, ring->wptr);
1304                                 WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR, ring->wptr);
1305                                 WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_CNTL,
1306                                                         UVD_JRBC_RB_CNTL__RB_RPTR_WR_EN_MASK);
1307
1308                                 ring = &adev->vcn.inst->ring_dec;
1309                                 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1310                                                    RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
1311                                 SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1312                                                    UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
1313                                                    UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1314                         }
1315                 } else {
1316                         /* unpause dpg jpeg, no need to wait */
1317                         reg_data &= ~UVD_DPG_PAUSE__JPEG_PAUSE_DPG_REQ_MASK;
1318                         WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1319                 }
1320                 adev->vcn.inst[inst_idx].pause_state.jpeg = new_state->jpeg;
1321         }
1322
1323         return 0;
1324 }
1325
1326 static bool vcn_v1_0_is_idle(void *handle)
1327 {
1328         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1329
1330         return (RREG32_SOC15(VCN, 0, mmUVD_STATUS) == UVD_STATUS__IDLE);
1331 }
1332
1333 static int vcn_v1_0_wait_for_idle(void *handle)
1334 {
1335         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1336         int ret;
1337
1338         ret = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE,
1339                 UVD_STATUS__IDLE);
1340
1341         return ret;
1342 }
1343
1344 static int vcn_v1_0_set_clockgating_state(void *handle,
1345                                           enum amd_clockgating_state state)
1346 {
1347         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1348         bool enable = (state == AMD_CG_STATE_GATE);
1349
1350         if (enable) {
1351                 /* wait for STATUS to clear */
1352                 if (!vcn_v1_0_is_idle(handle))
1353                         return -EBUSY;
1354                 vcn_v1_0_enable_clock_gating(adev);
1355         } else {
1356                 /* disable HW gating and enable Sw gating */
1357                 vcn_v1_0_disable_clock_gating(adev);
1358         }
1359         return 0;
1360 }
1361
1362 /**
1363  * vcn_v1_0_dec_ring_get_rptr - get read pointer
1364  *
1365  * @ring: amdgpu_ring pointer
1366  *
1367  * Returns the current hardware read pointer
1368  */
1369 static uint64_t vcn_v1_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
1370 {
1371         struct amdgpu_device *adev = ring->adev;
1372
1373         return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1374 }
1375
1376 /**
1377  * vcn_v1_0_dec_ring_get_wptr - get write pointer
1378  *
1379  * @ring: amdgpu_ring pointer
1380  *
1381  * Returns the current hardware write pointer
1382  */
1383 static uint64_t vcn_v1_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
1384 {
1385         struct amdgpu_device *adev = ring->adev;
1386
1387         return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR);
1388 }
1389
1390 /**
1391  * vcn_v1_0_dec_ring_set_wptr - set write pointer
1392  *
1393  * @ring: amdgpu_ring pointer
1394  *
1395  * Commits the write pointer to the hardware
1396  */
1397 static void vcn_v1_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
1398 {
1399         struct amdgpu_device *adev = ring->adev;
1400
1401         if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1402                 WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2,
1403                         lower_32_bits(ring->wptr) | 0x80000000);
1404
1405         WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1406 }
1407
1408 /**
1409  * vcn_v1_0_dec_ring_insert_start - insert a start command
1410  *
1411  * @ring: amdgpu_ring pointer
1412  *
1413  * Write a start command to the ring.
1414  */
1415 static void vcn_v1_0_dec_ring_insert_start(struct amdgpu_ring *ring)
1416 {
1417         struct amdgpu_device *adev = ring->adev;
1418
1419         amdgpu_ring_write(ring,
1420                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1421         amdgpu_ring_write(ring, 0);
1422         amdgpu_ring_write(ring,
1423                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1424         amdgpu_ring_write(ring, VCN_DEC_CMD_PACKET_START << 1);
1425 }
1426
1427 /**
1428  * vcn_v1_0_dec_ring_insert_end - insert a end command
1429  *
1430  * @ring: amdgpu_ring pointer
1431  *
1432  * Write a end command to the ring.
1433  */
1434 static void vcn_v1_0_dec_ring_insert_end(struct amdgpu_ring *ring)
1435 {
1436         struct amdgpu_device *adev = ring->adev;
1437
1438         amdgpu_ring_write(ring,
1439                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1440         amdgpu_ring_write(ring, VCN_DEC_CMD_PACKET_END << 1);
1441 }
1442
1443 /**
1444  * vcn_v1_0_dec_ring_emit_fence - emit an fence & trap command
1445  *
1446  * @ring: amdgpu_ring pointer
1447  * @fence: fence to emit
1448  *
1449  * Write a fence and a trap command to the ring.
1450  */
1451 static void vcn_v1_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
1452                                      unsigned flags)
1453 {
1454         struct amdgpu_device *adev = ring->adev;
1455
1456         WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1457
1458         amdgpu_ring_write(ring,
1459                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0));
1460         amdgpu_ring_write(ring, seq);
1461         amdgpu_ring_write(ring,
1462                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1463         amdgpu_ring_write(ring, addr & 0xffffffff);
1464         amdgpu_ring_write(ring,
1465                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1466         amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
1467         amdgpu_ring_write(ring,
1468                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1469         amdgpu_ring_write(ring, VCN_DEC_CMD_FENCE << 1);
1470
1471         amdgpu_ring_write(ring,
1472                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1473         amdgpu_ring_write(ring, 0);
1474         amdgpu_ring_write(ring,
1475                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1476         amdgpu_ring_write(ring, 0);
1477         amdgpu_ring_write(ring,
1478                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1479         amdgpu_ring_write(ring, VCN_DEC_CMD_TRAP << 1);
1480 }
1481
1482 /**
1483  * vcn_v1_0_dec_ring_emit_ib - execute indirect buffer
1484  *
1485  * @ring: amdgpu_ring pointer
1486  * @ib: indirect buffer to execute
1487  *
1488  * Write ring commands to execute the indirect buffer
1489  */
1490 static void vcn_v1_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
1491                                         struct amdgpu_job *job,
1492                                         struct amdgpu_ib *ib,
1493                                         uint32_t flags)
1494 {
1495         struct amdgpu_device *adev = ring->adev;
1496         unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1497
1498         amdgpu_ring_write(ring,
1499                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_VMID), 0));
1500         amdgpu_ring_write(ring, vmid);
1501
1502         amdgpu_ring_write(ring,
1503                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_64BIT_BAR_LOW), 0));
1504         amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1505         amdgpu_ring_write(ring,
1506                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH), 0));
1507         amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1508         amdgpu_ring_write(ring,
1509                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_IB_SIZE), 0));
1510         amdgpu_ring_write(ring, ib->length_dw);
1511 }
1512
1513 static void vcn_v1_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring,
1514                                             uint32_t reg, uint32_t val,
1515                                             uint32_t mask)
1516 {
1517         struct amdgpu_device *adev = ring->adev;
1518
1519         amdgpu_ring_write(ring,
1520                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1521         amdgpu_ring_write(ring, reg << 2);
1522         amdgpu_ring_write(ring,
1523                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1524         amdgpu_ring_write(ring, val);
1525         amdgpu_ring_write(ring,
1526                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GP_SCRATCH8), 0));
1527         amdgpu_ring_write(ring, mask);
1528         amdgpu_ring_write(ring,
1529                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1530         amdgpu_ring_write(ring, VCN_DEC_CMD_REG_READ_COND_WAIT << 1);
1531 }
1532
1533 static void vcn_v1_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
1534                                             unsigned vmid, uint64_t pd_addr)
1535 {
1536         struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1537         uint32_t data0, data1, mask;
1538
1539         pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1540
1541         /* wait for register write */
1542         data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
1543         data1 = lower_32_bits(pd_addr);
1544         mask = 0xffffffff;
1545         vcn_v1_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
1546 }
1547
1548 static void vcn_v1_0_dec_ring_emit_wreg(struct amdgpu_ring *ring,
1549                                         uint32_t reg, uint32_t val)
1550 {
1551         struct amdgpu_device *adev = ring->adev;
1552
1553         amdgpu_ring_write(ring,
1554                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1555         amdgpu_ring_write(ring, reg << 2);
1556         amdgpu_ring_write(ring,
1557                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1558         amdgpu_ring_write(ring, val);
1559         amdgpu_ring_write(ring,
1560                 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1561         amdgpu_ring_write(ring, VCN_DEC_CMD_WRITE_REG << 1);
1562 }
1563
1564 /**
1565  * vcn_v1_0_enc_ring_get_rptr - get enc read pointer
1566  *
1567  * @ring: amdgpu_ring pointer
1568  *
1569  * Returns the current hardware enc read pointer
1570  */
1571 static uint64_t vcn_v1_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
1572 {
1573         struct amdgpu_device *adev = ring->adev;
1574
1575         if (ring == &adev->vcn.inst->ring_enc[0])
1576                 return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR);
1577         else
1578                 return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2);
1579 }
1580
1581  /**
1582  * vcn_v1_0_enc_ring_get_wptr - get enc write pointer
1583  *
1584  * @ring: amdgpu_ring pointer
1585  *
1586  * Returns the current hardware enc write pointer
1587  */
1588 static uint64_t vcn_v1_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
1589 {
1590         struct amdgpu_device *adev = ring->adev;
1591
1592         if (ring == &adev->vcn.inst->ring_enc[0])
1593                 return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
1594         else
1595                 return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
1596 }
1597
1598  /**
1599  * vcn_v1_0_enc_ring_set_wptr - set enc write pointer
1600  *
1601  * @ring: amdgpu_ring pointer
1602  *
1603  * Commits the enc write pointer to the hardware
1604  */
1605 static void vcn_v1_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
1606 {
1607         struct amdgpu_device *adev = ring->adev;
1608
1609         if (ring == &adev->vcn.inst->ring_enc[0])
1610                 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR,
1611                         lower_32_bits(ring->wptr));
1612         else
1613                 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2,
1614                         lower_32_bits(ring->wptr));
1615 }
1616
1617 /**
1618  * vcn_v1_0_enc_ring_emit_fence - emit an enc fence & trap command
1619  *
1620  * @ring: amdgpu_ring pointer
1621  * @fence: fence to emit
1622  *
1623  * Write enc a fence and a trap command to the ring.
1624  */
1625 static void vcn_v1_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
1626                         u64 seq, unsigned flags)
1627 {
1628         WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1629
1630         amdgpu_ring_write(ring, VCN_ENC_CMD_FENCE);
1631         amdgpu_ring_write(ring, addr);
1632         amdgpu_ring_write(ring, upper_32_bits(addr));
1633         amdgpu_ring_write(ring, seq);
1634         amdgpu_ring_write(ring, VCN_ENC_CMD_TRAP);
1635 }
1636
1637 static void vcn_v1_0_enc_ring_insert_end(struct amdgpu_ring *ring)
1638 {
1639         amdgpu_ring_write(ring, VCN_ENC_CMD_END);
1640 }
1641
1642 /**
1643  * vcn_v1_0_enc_ring_emit_ib - enc execute indirect buffer
1644  *
1645  * @ring: amdgpu_ring pointer
1646  * @ib: indirect buffer to execute
1647  *
1648  * Write enc ring commands to execute the indirect buffer
1649  */
1650 static void vcn_v1_0_enc_ring_emit_ib(struct amdgpu_ring *ring,
1651                                         struct amdgpu_job *job,
1652                                         struct amdgpu_ib *ib,
1653                                         uint32_t flags)
1654 {
1655         unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1656
1657         amdgpu_ring_write(ring, VCN_ENC_CMD_IB);
1658         amdgpu_ring_write(ring, vmid);
1659         amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1660         amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1661         amdgpu_ring_write(ring, ib->length_dw);
1662 }
1663
1664 static void vcn_v1_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring,
1665                                             uint32_t reg, uint32_t val,
1666                                             uint32_t mask)
1667 {
1668         amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT);
1669         amdgpu_ring_write(ring, reg << 2);
1670         amdgpu_ring_write(ring, mask);
1671         amdgpu_ring_write(ring, val);
1672 }
1673
1674 static void vcn_v1_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
1675                                             unsigned int vmid, uint64_t pd_addr)
1676 {
1677         struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1678
1679         pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1680
1681         /* wait for reg writes */
1682         vcn_v1_0_enc_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 +
1683                                         vmid * hub->ctx_addr_distance,
1684                                         lower_32_bits(pd_addr), 0xffffffff);
1685 }
1686
1687 static void vcn_v1_0_enc_ring_emit_wreg(struct amdgpu_ring *ring,
1688                                         uint32_t reg, uint32_t val)
1689 {
1690         amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
1691         amdgpu_ring_write(ring, reg << 2);
1692         amdgpu_ring_write(ring, val);
1693 }
1694
1695 static int vcn_v1_0_set_interrupt_state(struct amdgpu_device *adev,
1696                                         struct amdgpu_irq_src *source,
1697                                         unsigned type,
1698                                         enum amdgpu_interrupt_state state)
1699 {
1700         return 0;
1701 }
1702
1703 static int vcn_v1_0_process_interrupt(struct amdgpu_device *adev,
1704                                       struct amdgpu_irq_src *source,
1705                                       struct amdgpu_iv_entry *entry)
1706 {
1707         DRM_DEBUG("IH: VCN TRAP\n");
1708
1709         switch (entry->src_id) {
1710         case 124:
1711                 amdgpu_fence_process(&adev->vcn.inst->ring_dec);
1712                 break;
1713         case 119:
1714                 amdgpu_fence_process(&adev->vcn.inst->ring_enc[0]);
1715                 break;
1716         case 120:
1717                 amdgpu_fence_process(&adev->vcn.inst->ring_enc[1]);
1718                 break;
1719         default:
1720                 DRM_ERROR("Unhandled interrupt: %d %d\n",
1721                           entry->src_id, entry->src_data[0]);
1722                 break;
1723         }
1724
1725         return 0;
1726 }
1727
1728 static void vcn_v1_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
1729 {
1730         struct amdgpu_device *adev = ring->adev;
1731         int i;
1732
1733         WARN_ON(ring->wptr % 2 || count % 2);
1734
1735         for (i = 0; i < count / 2; i++) {
1736                 amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0));
1737                 amdgpu_ring_write(ring, 0);
1738         }
1739 }
1740
1741 static int vcn_v1_0_set_powergating_state(void *handle,
1742                                           enum amd_powergating_state state)
1743 {
1744         /* This doesn't actually powergate the VCN block.
1745          * That's done in the dpm code via the SMC.  This
1746          * just re-inits the block as necessary.  The actual
1747          * gating still happens in the dpm code.  We should
1748          * revisit this when there is a cleaner line between
1749          * the smc and the hw blocks
1750          */
1751         int ret;
1752         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1753
1754         if(state == adev->vcn.cur_state)
1755                 return 0;
1756
1757         if (state == AMD_PG_STATE_GATE)
1758                 ret = vcn_v1_0_stop(adev);
1759         else
1760                 ret = vcn_v1_0_start(adev);
1761
1762         if(!ret)
1763                 adev->vcn.cur_state = state;
1764         return ret;
1765 }
1766
1767 static void vcn_v1_0_idle_work_handler(struct work_struct *work)
1768 {
1769         struct amdgpu_device *adev =
1770                 container_of(work, struct amdgpu_device, vcn.idle_work.work);
1771         unsigned int fences = 0, i;
1772
1773         for (i = 0; i < adev->vcn.num_enc_rings; ++i)
1774                 fences += amdgpu_fence_count_emitted(&adev->vcn.inst->ring_enc[i]);
1775
1776         if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1777                 struct dpg_pause_state new_state;
1778
1779                 if (fences)
1780                         new_state.fw_based = VCN_DPG_STATE__PAUSE;
1781                 else
1782                         new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
1783
1784                 if (amdgpu_fence_count_emitted(&adev->jpeg.inst->ring_dec))
1785                         new_state.jpeg = VCN_DPG_STATE__PAUSE;
1786                 else
1787                         new_state.jpeg = VCN_DPG_STATE__UNPAUSE;
1788
1789                 adev->vcn.pause_dpg_mode(adev, 0, &new_state);
1790         }
1791
1792         fences += amdgpu_fence_count_emitted(&adev->jpeg.inst->ring_dec);
1793         fences += amdgpu_fence_count_emitted(&adev->vcn.inst->ring_dec);
1794
1795         if (fences == 0) {
1796                 amdgpu_gfx_off_ctrl(adev, true);
1797                 if (adev->pm.dpm_enabled)
1798                         amdgpu_dpm_enable_uvd(adev, false);
1799                 else
1800                         amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
1801                                AMD_PG_STATE_GATE);
1802         } else {
1803                 schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
1804         }
1805 }
1806
1807 void vcn_v1_0_ring_begin_use(struct amdgpu_ring *ring)
1808 {
1809         struct amdgpu_device *adev = ring->adev;
1810         bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work);
1811
1812         if (set_clocks) {
1813                 amdgpu_gfx_off_ctrl(adev, false);
1814                 if (adev->pm.dpm_enabled)
1815                         amdgpu_dpm_enable_uvd(adev, true);
1816                 else
1817                         amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
1818                                AMD_PG_STATE_UNGATE);
1819         }
1820
1821         if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1822                 struct dpg_pause_state new_state;
1823                 unsigned int fences = 0, i;
1824
1825                 for (i = 0; i < adev->vcn.num_enc_rings; ++i)
1826                         fences += amdgpu_fence_count_emitted(&adev->vcn.inst->ring_enc[i]);
1827
1828                 if (fences)
1829                         new_state.fw_based = VCN_DPG_STATE__PAUSE;
1830                 else
1831                         new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
1832
1833                 if (amdgpu_fence_count_emitted(&adev->jpeg.inst->ring_dec))
1834                         new_state.jpeg = VCN_DPG_STATE__PAUSE;
1835                 else
1836                         new_state.jpeg = VCN_DPG_STATE__UNPAUSE;
1837
1838                 if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
1839                         new_state.fw_based = VCN_DPG_STATE__PAUSE;
1840                 else if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_JPEG)
1841                         new_state.jpeg = VCN_DPG_STATE__PAUSE;
1842
1843                 adev->vcn.pause_dpg_mode(adev, 0, &new_state);
1844         }
1845 }
1846
1847 static const struct amd_ip_funcs vcn_v1_0_ip_funcs = {
1848         .name = "vcn_v1_0",
1849         .early_init = vcn_v1_0_early_init,
1850         .late_init = NULL,
1851         .sw_init = vcn_v1_0_sw_init,
1852         .sw_fini = vcn_v1_0_sw_fini,
1853         .hw_init = vcn_v1_0_hw_init,
1854         .hw_fini = vcn_v1_0_hw_fini,
1855         .suspend = vcn_v1_0_suspend,
1856         .resume = vcn_v1_0_resume,
1857         .is_idle = vcn_v1_0_is_idle,
1858         .wait_for_idle = vcn_v1_0_wait_for_idle,
1859         .check_soft_reset = NULL /* vcn_v1_0_check_soft_reset */,
1860         .pre_soft_reset = NULL /* vcn_v1_0_pre_soft_reset */,
1861         .soft_reset = NULL /* vcn_v1_0_soft_reset */,
1862         .post_soft_reset = NULL /* vcn_v1_0_post_soft_reset */,
1863         .set_clockgating_state = vcn_v1_0_set_clockgating_state,
1864         .set_powergating_state = vcn_v1_0_set_powergating_state,
1865 };
1866
1867 static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = {
1868         .type = AMDGPU_RING_TYPE_VCN_DEC,
1869         .align_mask = 0xf,
1870         .support_64bit_ptrs = false,
1871         .no_user_fence = true,
1872         .vmhub = AMDGPU_MMHUB_0,
1873         .get_rptr = vcn_v1_0_dec_ring_get_rptr,
1874         .get_wptr = vcn_v1_0_dec_ring_get_wptr,
1875         .set_wptr = vcn_v1_0_dec_ring_set_wptr,
1876         .emit_frame_size =
1877                 6 + 6 + /* hdp invalidate / flush */
1878                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
1879                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
1880                 8 + /* vcn_v1_0_dec_ring_emit_vm_flush */
1881                 14 + 14 + /* vcn_v1_0_dec_ring_emit_fence x2 vm fence */
1882                 6,
1883         .emit_ib_size = 8, /* vcn_v1_0_dec_ring_emit_ib */
1884         .emit_ib = vcn_v1_0_dec_ring_emit_ib,
1885         .emit_fence = vcn_v1_0_dec_ring_emit_fence,
1886         .emit_vm_flush = vcn_v1_0_dec_ring_emit_vm_flush,
1887         .test_ring = amdgpu_vcn_dec_ring_test_ring,
1888         .test_ib = amdgpu_vcn_dec_ring_test_ib,
1889         .insert_nop = vcn_v1_0_dec_ring_insert_nop,
1890         .insert_start = vcn_v1_0_dec_ring_insert_start,
1891         .insert_end = vcn_v1_0_dec_ring_insert_end,
1892         .pad_ib = amdgpu_ring_generic_pad_ib,
1893         .begin_use = vcn_v1_0_ring_begin_use,
1894         .end_use = amdgpu_vcn_ring_end_use,
1895         .emit_wreg = vcn_v1_0_dec_ring_emit_wreg,
1896         .emit_reg_wait = vcn_v1_0_dec_ring_emit_reg_wait,
1897         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1898 };
1899
1900 static const struct amdgpu_ring_funcs vcn_v1_0_enc_ring_vm_funcs = {
1901         .type = AMDGPU_RING_TYPE_VCN_ENC,
1902         .align_mask = 0x3f,
1903         .nop = VCN_ENC_CMD_NO_OP,
1904         .support_64bit_ptrs = false,
1905         .no_user_fence = true,
1906         .vmhub = AMDGPU_MMHUB_0,
1907         .get_rptr = vcn_v1_0_enc_ring_get_rptr,
1908         .get_wptr = vcn_v1_0_enc_ring_get_wptr,
1909         .set_wptr = vcn_v1_0_enc_ring_set_wptr,
1910         .emit_frame_size =
1911                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1912                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1913                 4 + /* vcn_v1_0_enc_ring_emit_vm_flush */
1914                 5 + 5 + /* vcn_v1_0_enc_ring_emit_fence x2 vm fence */
1915                 1, /* vcn_v1_0_enc_ring_insert_end */
1916         .emit_ib_size = 5, /* vcn_v1_0_enc_ring_emit_ib */
1917         .emit_ib = vcn_v1_0_enc_ring_emit_ib,
1918         .emit_fence = vcn_v1_0_enc_ring_emit_fence,
1919         .emit_vm_flush = vcn_v1_0_enc_ring_emit_vm_flush,
1920         .test_ring = amdgpu_vcn_enc_ring_test_ring,
1921         .test_ib = amdgpu_vcn_enc_ring_test_ib,
1922         .insert_nop = amdgpu_ring_insert_nop,
1923         .insert_end = vcn_v1_0_enc_ring_insert_end,
1924         .pad_ib = amdgpu_ring_generic_pad_ib,
1925         .begin_use = vcn_v1_0_ring_begin_use,
1926         .end_use = amdgpu_vcn_ring_end_use,
1927         .emit_wreg = vcn_v1_0_enc_ring_emit_wreg,
1928         .emit_reg_wait = vcn_v1_0_enc_ring_emit_reg_wait,
1929         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1930 };
1931
1932 static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev)
1933 {
1934         adev->vcn.inst->ring_dec.funcs = &vcn_v1_0_dec_ring_vm_funcs;
1935         DRM_INFO("VCN decode is enabled in VM mode\n");
1936 }
1937
1938 static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev)
1939 {
1940         int i;
1941
1942         for (i = 0; i < adev->vcn.num_enc_rings; ++i)
1943                 adev->vcn.inst->ring_enc[i].funcs = &vcn_v1_0_enc_ring_vm_funcs;
1944
1945         DRM_INFO("VCN encode is enabled in VM mode\n");
1946 }
1947
1948 static const struct amdgpu_irq_src_funcs vcn_v1_0_irq_funcs = {
1949         .set = vcn_v1_0_set_interrupt_state,
1950         .process = vcn_v1_0_process_interrupt,
1951 };
1952
1953 static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev)
1954 {
1955         adev->vcn.inst->irq.num_types = adev->vcn.num_enc_rings + 2;
1956         adev->vcn.inst->irq.funcs = &vcn_v1_0_irq_funcs;
1957 }
1958
1959 const struct amdgpu_ip_block_version vcn_v1_0_ip_block =
1960 {
1961                 .type = AMD_IP_BLOCK_TYPE_VCN,
1962                 .major = 1,
1963                 .minor = 0,
1964                 .rev = 0,
1965                 .funcs = &vcn_v1_0_ip_funcs,
1966 };