1 /* 2 * Copyright 2016 Advanced Micro Devices, Inc. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sub license, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 19 * USE OR OTHER DEALINGS IN THE SOFTWARE. 20 * 21 * The above copyright notice and this permission notice (including the 22 * next paragraph) shall be included in all copies or substantial portions 23 * of the Software. 24 * 25 */ 26 27 #include <linux/firmware.h> 28 #include <drm/drm_drv.h> 29 30 #include "amdgpu.h" 31 #include "amdgpu_vce.h" 32 #include "soc15.h" 33 #include "soc15d.h" 34 #include "soc15_common.h" 35 #include "mmsch_v1_0.h" 36 37 #include "vce/vce_4_0_offset.h" 38 #include "vce/vce_4_0_default.h" 39 #include "vce/vce_4_0_sh_mask.h" 40 #include "mmhub/mmhub_1_0_offset.h" 41 #include "mmhub/mmhub_1_0_sh_mask.h" 42 43 #include "ivsrcid/vce/irqsrcs_vce_4_0.h" 44 45 #define VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK 0x02 46 47 #define VCE_V4_0_FW_SIZE (384 * 1024) 48 #define VCE_V4_0_STACK_SIZE (64 * 1024) 49 #define VCE_V4_0_DATA_SIZE ((16 * 1024 * AMDGPU_MAX_VCE_HANDLES) + (52 * 1024)) 50 51 static void vce_v4_0_mc_resume(struct amdgpu_device *adev); 52 static void vce_v4_0_set_ring_funcs(struct amdgpu_device *adev); 53 static void vce_v4_0_set_irq_funcs(struct amdgpu_device *adev); 54 55 /** 56 * vce_v4_0_ring_get_rptr - get read pointer 57 * 58 * @ring: amdgpu_ring pointer 59 * 60 * Returns the current hardware read pointer 61 */ 62 static uint64_t vce_v4_0_ring_get_rptr(struct amdgpu_ring *ring) 63 { 64 struct amdgpu_device *adev = ring->adev; 65 66 if (ring->me == 0) 67 return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR)); 68 else if (ring->me == 1) 69 return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR2)); 70 else 71 return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR3)); 72 } 73 74 /** 75 * vce_v4_0_ring_get_wptr - get write pointer 76 * 77 * @ring: amdgpu_ring pointer 78 * 79 * Returns the current hardware write pointer 80 */ 81 static uint64_t vce_v4_0_ring_get_wptr(struct amdgpu_ring *ring) 82 { 83 struct amdgpu_device *adev = ring->adev; 84 85 if (ring->use_doorbell) 86 return *ring->wptr_cpu_addr; 87 88 if (ring->me == 0) 89 return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR)); 90 else if (ring->me == 1) 91 return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR2)); 92 else 93 return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR3)); 94 } 95 96 /** 97 * vce_v4_0_ring_set_wptr - set write pointer 98 * 99 * @ring: amdgpu_ring pointer 100 * 101 * Commits the write pointer to the hardware 102 */ 103 static void vce_v4_0_ring_set_wptr(struct amdgpu_ring *ring) 104 { 105 struct amdgpu_device *adev = ring->adev; 106 107 if (ring->use_doorbell) { 108 /* XXX check if swapping is necessary on BE */ 109 *ring->wptr_cpu_addr = lower_32_bits(ring->wptr); 110 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr)); 111 return; 112 } 113 114 if (ring->me == 0) 115 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR), 116 lower_32_bits(ring->wptr)); 117 else if (ring->me == 1) 118 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR2), 119 lower_32_bits(ring->wptr)); 120 else 121 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR3), 122 lower_32_bits(ring->wptr)); 123 } 124 125 static int vce_v4_0_firmware_loaded(struct amdgpu_device *adev) 126 { 127 int i, j; 128 129 for (i = 0; i < 10; ++i) { 130 for (j = 0; j < 100; ++j) { 131 uint32_t status = 132 RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS)); 133 134 if (status & VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK) 135 return 0; 136 mdelay(10); 137 } 138 139 DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n"); 140 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SOFT_RESET), 141 VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK, 142 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); 143 mdelay(10); 144 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SOFT_RESET), 0, 145 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); 146 mdelay(10); 147 148 } 149 150 return -ETIMEDOUT; 151 } 152 153 static int vce_v4_0_mmsch_start(struct amdgpu_device *adev, 154 struct amdgpu_mm_table *table) 155 { 156 uint32_t data = 0, loop; 157 uint64_t addr = table->gpu_addr; 158 struct mmsch_v1_0_init_header *header = (struct mmsch_v1_0_init_header *)table->cpu_addr; 159 uint32_t size; 160 161 size = header->header_size + header->vce_table_size + header->uvd_table_size; 162 163 /* 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr of memory descriptor location */ 164 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_CTX_ADDR_LO), lower_32_bits(addr)); 165 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_CTX_ADDR_HI), upper_32_bits(addr)); 166 167 /* 2, update vmid of descriptor */ 168 data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_VMID)); 169 data &= ~VCE_MMSCH_VF_VMID__VF_CTX_VMID_MASK; 170 data |= (0 << VCE_MMSCH_VF_VMID__VF_CTX_VMID__SHIFT); /* use domain0 for MM scheduler */ 171 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_VMID), data); 172 173 /* 3, notify mmsch about the size of this descriptor */ 174 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_CTX_SIZE), size); 175 176 /* 4, set resp to zero */ 177 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP), 0); 178 179 WDOORBELL32(adev->vce.ring[0].doorbell_index, 0); 180 *adev->vce.ring[0].wptr_cpu_addr = 0; 181 adev->vce.ring[0].wptr = 0; 182 adev->vce.ring[0].wptr_old = 0; 183 184 /* 5, kick off the initialization and wait until VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero */ 185 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_HOST), 0x10000001); 186 187 data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP)); 188 loop = 1000; 189 while ((data & 0x10000002) != 0x10000002) { 190 udelay(10); 191 data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP)); 192 loop--; 193 if (!loop) 194 break; 195 } 196 197 if (!loop) { 198 dev_err(adev->dev, "failed to init MMSCH, mmVCE_MMSCH_VF_MAILBOX_RESP = %x\n", data); 199 return -EBUSY; 200 } 201 202 return 0; 203 } 204 205 static int vce_v4_0_sriov_start(struct amdgpu_device *adev) 206 { 207 struct amdgpu_ring *ring; 208 uint32_t offset, size; 209 uint32_t table_size = 0; 210 struct mmsch_v1_0_cmd_direct_write direct_wt = { { 0 } }; 211 struct mmsch_v1_0_cmd_direct_read_modify_write direct_rd_mod_wt = { { 0 } }; 212 struct mmsch_v1_0_cmd_direct_polling direct_poll = { { 0 } }; 213 struct mmsch_v1_0_cmd_end end = { { 0 } }; 214 uint32_t *init_table = adev->virt.mm_table.cpu_addr; 215 struct mmsch_v1_0_init_header *header = (struct mmsch_v1_0_init_header *)init_table; 216 217 direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE; 218 direct_rd_mod_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE; 219 direct_poll.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_POLLING; 220 end.cmd_header.command_type = MMSCH_COMMAND__END; 221 222 if (header->vce_table_offset == 0 && header->vce_table_size == 0) { 223 header->version = MMSCH_VERSION; 224 header->header_size = sizeof(struct mmsch_v1_0_init_header) >> 2; 225 226 if (header->uvd_table_offset == 0 && header->uvd_table_size == 0) 227 header->vce_table_offset = header->header_size; 228 else 229 header->vce_table_offset = header->uvd_table_size + header->uvd_table_offset; 230 231 init_table += header->vce_table_offset; 232 233 ring = &adev->vce.ring[0]; 234 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_LO), 235 lower_32_bits(ring->gpu_addr)); 236 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_HI), 237 upper_32_bits(ring->gpu_addr)); 238 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_SIZE), 239 ring->ring_size / 4); 240 241 /* BEGING OF MC_RESUME */ 242 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CTRL), 0x398000); 243 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CACHE_CTRL), ~0x1, 0); 244 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_SWAP_CNTL), 0); 245 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_SWAP_CNTL1), 0); 246 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VM_CTRL), 0); 247 248 offset = AMDGPU_VCE_FIRMWARE_OFFSET; 249 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 250 uint32_t low = adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].tmr_mc_addr_lo; 251 uint32_t hi = adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].tmr_mc_addr_hi; 252 uint64_t tmr_mc_addr = (uint64_t)(hi) << 32 | low; 253 254 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, 255 mmVCE_LMI_VCPU_CACHE_40BIT_BAR0), tmr_mc_addr >> 8); 256 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, 257 mmVCE_LMI_VCPU_CACHE_64BIT_BAR0), 258 (tmr_mc_addr >> 40) & 0xff); 259 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET0), 0); 260 } else { 261 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, 262 mmVCE_LMI_VCPU_CACHE_40BIT_BAR0), 263 adev->vce.gpu_addr >> 8); 264 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, 265 mmVCE_LMI_VCPU_CACHE_64BIT_BAR0), 266 (adev->vce.gpu_addr >> 40) & 0xff); 267 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET0), 268 offset & ~0x0f000000); 269 270 } 271 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, 272 mmVCE_LMI_VCPU_CACHE_40BIT_BAR1), 273 adev->vce.gpu_addr >> 8); 274 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, 275 mmVCE_LMI_VCPU_CACHE_64BIT_BAR1), 276 (adev->vce.gpu_addr >> 40) & 0xff); 277 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, 278 mmVCE_LMI_VCPU_CACHE_40BIT_BAR2), 279 adev->vce.gpu_addr >> 8); 280 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, 281 mmVCE_LMI_VCPU_CACHE_64BIT_BAR2), 282 (adev->vce.gpu_addr >> 40) & 0xff); 283 284 size = VCE_V4_0_FW_SIZE; 285 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE0), size); 286 287 offset = (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) ? offset + size : 0; 288 size = VCE_V4_0_STACK_SIZE; 289 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET1), 290 (offset & ~0x0f000000) | (1 << 24)); 291 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE1), size); 292 293 offset += size; 294 size = VCE_V4_0_DATA_SIZE; 295 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET2), 296 (offset & ~0x0f000000) | (2 << 24)); 297 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE2), size); 298 299 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CTRL2), ~0x100, 0); 300 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_SYS_INT_EN), 301 VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK, 302 VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK); 303 304 /* end of MC_RESUME */ 305 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS), 306 VCE_STATUS__JOB_BUSY_MASK, ~VCE_STATUS__JOB_BUSY_MASK); 307 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CNTL), 308 ~0x200001, VCE_VCPU_CNTL__CLK_EN_MASK); 309 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_SOFT_RESET), 310 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK, 0); 311 312 MMSCH_V1_0_INSERT_DIRECT_POLL(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS), 313 VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK, 314 VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK); 315 316 /* clear BUSY flag */ 317 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS), 318 ~VCE_STATUS__JOB_BUSY_MASK, 0); 319 320 /* add end packet */ 321 memcpy((void *)init_table, &end, sizeof(struct mmsch_v1_0_cmd_end)); 322 table_size += sizeof(struct mmsch_v1_0_cmd_end) / 4; 323 header->vce_table_size = table_size; 324 } 325 326 return vce_v4_0_mmsch_start(adev, &adev->virt.mm_table); 327 } 328 329 /** 330 * vce_v4_0_start - start VCE block 331 * 332 * @adev: amdgpu_device pointer 333 * 334 * Setup and start the VCE block 335 */ 336 static int vce_v4_0_start(struct amdgpu_device *adev) 337 { 338 struct amdgpu_ring *ring; 339 int r; 340 341 ring = &adev->vce.ring[0]; 342 343 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR), lower_32_bits(ring->wptr)); 344 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR), lower_32_bits(ring->wptr)); 345 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_LO), ring->gpu_addr); 346 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_HI), upper_32_bits(ring->gpu_addr)); 347 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_SIZE), ring->ring_size / 4); 348 349 ring = &adev->vce.ring[1]; 350 351 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR2), lower_32_bits(ring->wptr)); 352 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR2), lower_32_bits(ring->wptr)); 353 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_LO2), ring->gpu_addr); 354 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_HI2), upper_32_bits(ring->gpu_addr)); 355 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_SIZE2), ring->ring_size / 4); 356 357 ring = &adev->vce.ring[2]; 358 359 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR3), lower_32_bits(ring->wptr)); 360 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR3), lower_32_bits(ring->wptr)); 361 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_LO3), ring->gpu_addr); 362 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_HI3), upper_32_bits(ring->gpu_addr)); 363 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_SIZE3), ring->ring_size / 4); 364 365 vce_v4_0_mc_resume(adev); 366 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS), VCE_STATUS__JOB_BUSY_MASK, 367 ~VCE_STATUS__JOB_BUSY_MASK); 368 369 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CNTL), 1, ~0x200001); 370 371 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SOFT_RESET), 0, 372 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); 373 mdelay(100); 374 375 r = vce_v4_0_firmware_loaded(adev); 376 377 /* clear BUSY flag */ 378 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS), 0, ~VCE_STATUS__JOB_BUSY_MASK); 379 380 if (r) { 381 DRM_ERROR("VCE not responding, giving up!!!\n"); 382 return r; 383 } 384 385 return 0; 386 } 387 388 static int vce_v4_0_stop(struct amdgpu_device *adev) 389 { 390 391 /* Disable VCPU */ 392 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CNTL), 0, ~0x200001); 393 394 /* hold on ECPU */ 395 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SOFT_RESET), 396 VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK, 397 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); 398 399 /* clear VCE_STATUS */ 400 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS), 0); 401 402 /* Set Clock-Gating off */ 403 /* if (adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG) 404 vce_v4_0_set_vce_sw_clock_gating(adev, false); 405 */ 406 407 return 0; 408 } 409 410 static int vce_v4_0_early_init(void *handle) 411 { 412 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 413 414 if (amdgpu_sriov_vf(adev)) /* currently only VCN0 support SRIOV */ 415 adev->vce.num_rings = 1; 416 else 417 adev->vce.num_rings = 3; 418 419 vce_v4_0_set_ring_funcs(adev); 420 vce_v4_0_set_irq_funcs(adev); 421 422 return 0; 423 } 424 425 static int vce_v4_0_sw_init(void *handle) 426 { 427 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 428 struct amdgpu_ring *ring; 429 430 unsigned size; 431 int r, i; 432 433 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCE0, 167, &adev->vce.irq); 434 if (r) 435 return r; 436 437 size = VCE_V4_0_STACK_SIZE + VCE_V4_0_DATA_SIZE; 438 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) 439 size += VCE_V4_0_FW_SIZE; 440 441 r = amdgpu_vce_sw_init(adev, size); 442 if (r) 443 return r; 444 445 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 446 const struct common_firmware_header *hdr; 447 unsigned size = amdgpu_bo_size(adev->vce.vcpu_bo); 448 449 adev->vce.saved_bo = kvmalloc(size, GFP_KERNEL); 450 if (!adev->vce.saved_bo) 451 return -ENOMEM; 452 453 hdr = (const struct common_firmware_header *)adev->vce.fw->data; 454 adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].ucode_id = AMDGPU_UCODE_ID_VCE; 455 adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].fw = adev->vce.fw; 456 adev->firmware.fw_size += 457 ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE); 458 DRM_INFO("PSP loading VCE firmware\n"); 459 } else { 460 r = amdgpu_vce_resume(adev); 461 if (r) 462 return r; 463 } 464 465 for (i = 0; i < adev->vce.num_rings; i++) { 466 enum amdgpu_ring_priority_level hw_prio = amdgpu_vce_get_ring_prio(i); 467 468 ring = &adev->vce.ring[i]; 469 ring->vm_hub = AMDGPU_MMHUB0(0); 470 sprintf(ring->name, "vce%d", i); 471 if (amdgpu_sriov_vf(adev)) { 472 /* DOORBELL only works under SRIOV */ 473 ring->use_doorbell = true; 474 475 /* currently only use the first encoding ring for sriov, 476 * so set unused location for other unused rings. 477 */ 478 if (i == 0) 479 ring->doorbell_index = adev->doorbell_index.uvd_vce.vce_ring0_1 * 2; 480 else 481 ring->doorbell_index = adev->doorbell_index.uvd_vce.vce_ring2_3 * 2 + 1; 482 } 483 r = amdgpu_ring_init(adev, ring, 512, &adev->vce.irq, 0, 484 hw_prio, NULL); 485 if (r) 486 return r; 487 } 488 489 490 r = amdgpu_vce_entity_init(adev); 491 if (r) 492 return r; 493 494 r = amdgpu_virt_alloc_mm_table(adev); 495 if (r) 496 return r; 497 498 return r; 499 } 500 501 static int vce_v4_0_sw_fini(void *handle) 502 { 503 int r; 504 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 505 506 /* free MM table */ 507 amdgpu_virt_free_mm_table(adev); 508 509 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 510 kvfree(adev->vce.saved_bo); 511 adev->vce.saved_bo = NULL; 512 } 513 514 r = amdgpu_vce_suspend(adev); 515 if (r) 516 return r; 517 518 return amdgpu_vce_sw_fini(adev); 519 } 520 521 static int vce_v4_0_hw_init(void *handle) 522 { 523 int r, i; 524 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 525 526 if (amdgpu_sriov_vf(adev)) 527 r = vce_v4_0_sriov_start(adev); 528 else 529 r = vce_v4_0_start(adev); 530 if (r) 531 return r; 532 533 for (i = 0; i < adev->vce.num_rings; i++) { 534 r = amdgpu_ring_test_helper(&adev->vce.ring[i]); 535 if (r) 536 return r; 537 } 538 539 DRM_INFO("VCE initialized successfully.\n"); 540 541 return 0; 542 } 543 544 static int vce_v4_0_hw_fini(void *handle) 545 { 546 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 547 548 cancel_delayed_work_sync(&adev->vce.idle_work); 549 550 if (!amdgpu_sriov_vf(adev)) { 551 /* vce_v4_0_wait_for_idle(handle); */ 552 vce_v4_0_stop(adev); 553 } else { 554 /* full access mode, so don't touch any VCE register */ 555 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n"); 556 } 557 558 return 0; 559 } 560 561 static int vce_v4_0_suspend(void *handle) 562 { 563 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 564 int r, idx; 565 566 if (adev->vce.vcpu_bo == NULL) 567 return 0; 568 569 if (drm_dev_enter(adev_to_drm(adev), &idx)) { 570 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 571 unsigned size = amdgpu_bo_size(adev->vce.vcpu_bo); 572 void *ptr = adev->vce.cpu_addr; 573 574 memcpy_fromio(adev->vce.saved_bo, ptr, size); 575 } 576 drm_dev_exit(idx); 577 } 578 579 /* 580 * Proper cleanups before halting the HW engine: 581 * - cancel the delayed idle work 582 * - enable powergating 583 * - enable clockgating 584 * - disable dpm 585 * 586 * TODO: to align with the VCN implementation, move the 587 * jobs for clockgating/powergating/dpm setting to 588 * ->set_powergating_state(). 589 */ 590 cancel_delayed_work_sync(&adev->vce.idle_work); 591 592 if (adev->pm.dpm_enabled) { 593 amdgpu_dpm_enable_vce(adev, false); 594 } else { 595 amdgpu_asic_set_vce_clocks(adev, 0, 0); 596 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 597 AMD_PG_STATE_GATE); 598 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 599 AMD_CG_STATE_GATE); 600 } 601 602 r = vce_v4_0_hw_fini(adev); 603 if (r) 604 return r; 605 606 return amdgpu_vce_suspend(adev); 607 } 608 609 static int vce_v4_0_resume(void *handle) 610 { 611 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 612 int r, idx; 613 614 if (adev->vce.vcpu_bo == NULL) 615 return -EINVAL; 616 617 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 618 619 if (drm_dev_enter(adev_to_drm(adev), &idx)) { 620 unsigned size = amdgpu_bo_size(adev->vce.vcpu_bo); 621 void *ptr = adev->vce.cpu_addr; 622 623 memcpy_toio(ptr, adev->vce.saved_bo, size); 624 drm_dev_exit(idx); 625 } 626 } else { 627 r = amdgpu_vce_resume(adev); 628 if (r) 629 return r; 630 } 631 632 return vce_v4_0_hw_init(adev); 633 } 634 635 static void vce_v4_0_mc_resume(struct amdgpu_device *adev) 636 { 637 uint32_t offset, size; 638 uint64_t tmr_mc_addr; 639 640 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_A), 0, ~(1 << 16)); 641 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING), 0x1FF000, ~0xFF9FF000); 642 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING), 0x3F, ~0x3F); 643 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B), 0x1FF); 644 645 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CTRL), 0x00398000); 646 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CACHE_CTRL), 0x0, ~0x1); 647 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_SWAP_CNTL), 0); 648 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_SWAP_CNTL1), 0); 649 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VM_CTRL), 0); 650 651 offset = AMDGPU_VCE_FIRMWARE_OFFSET; 652 653 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 654 tmr_mc_addr = (uint64_t)(adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].tmr_mc_addr_hi) << 32 | 655 adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].tmr_mc_addr_lo; 656 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_40BIT_BAR0), 657 (tmr_mc_addr >> 8)); 658 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_64BIT_BAR0), 659 (tmr_mc_addr >> 40) & 0xff); 660 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET0), 0); 661 } else { 662 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_40BIT_BAR0), 663 (adev->vce.gpu_addr >> 8)); 664 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_64BIT_BAR0), 665 (adev->vce.gpu_addr >> 40) & 0xff); 666 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET0), offset & ~0x0f000000); 667 } 668 669 size = VCE_V4_0_FW_SIZE; 670 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE0), size); 671 672 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_40BIT_BAR1), (adev->vce.gpu_addr >> 8)); 673 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_64BIT_BAR1), (adev->vce.gpu_addr >> 40) & 0xff); 674 offset = (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) ? offset + size : 0; 675 size = VCE_V4_0_STACK_SIZE; 676 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET1), (offset & ~0x0f000000) | (1 << 24)); 677 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE1), size); 678 679 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_40BIT_BAR2), (adev->vce.gpu_addr >> 8)); 680 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_64BIT_BAR2), (adev->vce.gpu_addr >> 40) & 0xff); 681 offset += size; 682 size = VCE_V4_0_DATA_SIZE; 683 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET2), (offset & ~0x0f000000) | (2 << 24)); 684 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE2), size); 685 686 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CTRL2), 0x0, ~0x100); 687 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SYS_INT_EN), 688 VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK, 689 ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK); 690 } 691 692 static int vce_v4_0_set_clockgating_state(void *handle, 693 enum amd_clockgating_state state) 694 { 695 /* needed for driver unload*/ 696 return 0; 697 } 698 699 #if 0 700 static bool vce_v4_0_is_idle(void *handle) 701 { 702 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 703 u32 mask = 0; 704 705 mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE0) ? 0 : SRBM_STATUS2__VCE0_BUSY_MASK; 706 mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE1) ? 0 : SRBM_STATUS2__VCE1_BUSY_MASK; 707 708 return !(RREG32(mmSRBM_STATUS2) & mask); 709 } 710 711 static int vce_v4_0_wait_for_idle(void *handle) 712 { 713 unsigned i; 714 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 715 716 for (i = 0; i < adev->usec_timeout; i++) 717 if (vce_v4_0_is_idle(handle)) 718 return 0; 719 720 return -ETIMEDOUT; 721 } 722 723 #define VCE_STATUS_VCPU_REPORT_AUTO_BUSY_MASK 0x00000008L /* AUTO_BUSY */ 724 #define VCE_STATUS_VCPU_REPORT_RB0_BUSY_MASK 0x00000010L /* RB0_BUSY */ 725 #define VCE_STATUS_VCPU_REPORT_RB1_BUSY_MASK 0x00000020L /* RB1_BUSY */ 726 #define AMDGPU_VCE_STATUS_BUSY_MASK (VCE_STATUS_VCPU_REPORT_AUTO_BUSY_MASK | \ 727 VCE_STATUS_VCPU_REPORT_RB0_BUSY_MASK) 728 729 static bool vce_v4_0_check_soft_reset(void *handle) 730 { 731 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 732 u32 srbm_soft_reset = 0; 733 734 /* According to VCE team , we should use VCE_STATUS instead 735 * SRBM_STATUS.VCE_BUSY bit for busy status checking. 736 * GRBM_GFX_INDEX.INSTANCE_INDEX is used to specify which VCE 737 * instance's registers are accessed 738 * (0 for 1st instance, 10 for 2nd instance). 739 * 740 *VCE_STATUS 741 *|UENC|ACPI|AUTO ACTIVE|RB1 |RB0 |RB2 | |FW_LOADED|JOB | 742 *|----+----+-----------+----+----+----+----------+---------+----| 743 *|bit8|bit7| bit6 |bit5|bit4|bit3| bit2 | bit1 |bit0| 744 * 745 * VCE team suggest use bit 3--bit 6 for busy status check 746 */ 747 mutex_lock(&adev->grbm_idx_mutex); 748 WREG32_FIELD(GRBM_GFX_INDEX, INSTANCE_INDEX, 0); 749 if (RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) { 750 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1); 751 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1); 752 } 753 WREG32_FIELD(GRBM_GFX_INDEX, INSTANCE_INDEX, 0x10); 754 if (RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) { 755 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1); 756 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1); 757 } 758 WREG32_FIELD(GRBM_GFX_INDEX, INSTANCE_INDEX, 0); 759 mutex_unlock(&adev->grbm_idx_mutex); 760 761 if (srbm_soft_reset) { 762 adev->vce.srbm_soft_reset = srbm_soft_reset; 763 return true; 764 } else { 765 adev->vce.srbm_soft_reset = 0; 766 return false; 767 } 768 } 769 770 static int vce_v4_0_soft_reset(void *handle) 771 { 772 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 773 u32 srbm_soft_reset; 774 775 if (!adev->vce.srbm_soft_reset) 776 return 0; 777 srbm_soft_reset = adev->vce.srbm_soft_reset; 778 779 if (srbm_soft_reset) { 780 u32 tmp; 781 782 tmp = RREG32(mmSRBM_SOFT_RESET); 783 tmp |= srbm_soft_reset; 784 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 785 WREG32(mmSRBM_SOFT_RESET, tmp); 786 tmp = RREG32(mmSRBM_SOFT_RESET); 787 788 udelay(50); 789 790 tmp &= ~srbm_soft_reset; 791 WREG32(mmSRBM_SOFT_RESET, tmp); 792 tmp = RREG32(mmSRBM_SOFT_RESET); 793 794 /* Wait a little for things to settle down */ 795 udelay(50); 796 } 797 798 return 0; 799 } 800 801 static int vce_v4_0_pre_soft_reset(void *handle) 802 { 803 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 804 805 if (!adev->vce.srbm_soft_reset) 806 return 0; 807 808 mdelay(5); 809 810 return vce_v4_0_suspend(adev); 811 } 812 813 814 static int vce_v4_0_post_soft_reset(void *handle) 815 { 816 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 817 818 if (!adev->vce.srbm_soft_reset) 819 return 0; 820 821 mdelay(5); 822 823 return vce_v4_0_resume(adev); 824 } 825 826 static void vce_v4_0_override_vce_clock_gating(struct amdgpu_device *adev, bool override) 827 { 828 u32 tmp, data; 829 830 tmp = data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_ARB_CTRL)); 831 if (override) 832 data |= VCE_RB_ARB_CTRL__VCE_CGTT_OVERRIDE_MASK; 833 else 834 data &= ~VCE_RB_ARB_CTRL__VCE_CGTT_OVERRIDE_MASK; 835 836 if (tmp != data) 837 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_ARB_CTRL), data); 838 } 839 840 static void vce_v4_0_set_vce_sw_clock_gating(struct amdgpu_device *adev, 841 bool gated) 842 { 843 u32 data; 844 845 /* Set Override to disable Clock Gating */ 846 vce_v4_0_override_vce_clock_gating(adev, true); 847 848 /* This function enables MGCG which is controlled by firmware. 849 With the clocks in the gated state the core is still 850 accessible but the firmware will throttle the clocks on the 851 fly as necessary. 852 */ 853 if (gated) { 854 data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B)); 855 data |= 0x1ff; 856 data &= ~0xef0000; 857 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B), data); 858 859 data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING)); 860 data |= 0x3ff000; 861 data &= ~0xffc00000; 862 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING), data); 863 864 data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING_2)); 865 data |= 0x2; 866 data &= ~0x00010000; 867 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING_2), data); 868 869 data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING)); 870 data |= 0x37f; 871 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING), data); 872 873 data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_DMA_DCLK_CTRL)); 874 data |= VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK | 875 VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK | 876 VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK | 877 0x8; 878 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_DMA_DCLK_CTRL), data); 879 } else { 880 data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B)); 881 data &= ~0x80010; 882 data |= 0xe70008; 883 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B), data); 884 885 data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING)); 886 data |= 0xffc00000; 887 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING), data); 888 889 data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING_2)); 890 data |= 0x10000; 891 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING_2), data); 892 893 data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING)); 894 data &= ~0xffc00000; 895 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING), data); 896 897 data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_DMA_DCLK_CTRL)); 898 data &= ~(VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK | 899 VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK | 900 VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK | 901 0x8); 902 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_DMA_DCLK_CTRL), data); 903 } 904 vce_v4_0_override_vce_clock_gating(adev, false); 905 } 906 907 static void vce_v4_0_set_bypass_mode(struct amdgpu_device *adev, bool enable) 908 { 909 u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL); 910 911 if (enable) 912 tmp |= GCK_DFS_BYPASS_CNTL__BYPASSECLK_MASK; 913 else 914 tmp &= ~GCK_DFS_BYPASS_CNTL__BYPASSECLK_MASK; 915 916 WREG32_SMC(ixGCK_DFS_BYPASS_CNTL, tmp); 917 } 918 919 static int vce_v4_0_set_clockgating_state(void *handle, 920 enum amd_clockgating_state state) 921 { 922 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 923 bool enable = (state == AMD_CG_STATE_GATE); 924 int i; 925 926 if ((adev->asic_type == CHIP_POLARIS10) || 927 (adev->asic_type == CHIP_TONGA) || 928 (adev->asic_type == CHIP_FIJI)) 929 vce_v4_0_set_bypass_mode(adev, enable); 930 931 if (!(adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG)) 932 return 0; 933 934 mutex_lock(&adev->grbm_idx_mutex); 935 for (i = 0; i < 2; i++) { 936 /* Program VCE Instance 0 or 1 if not harvested */ 937 if (adev->vce.harvest_config & (1 << i)) 938 continue; 939 940 WREG32_FIELD(GRBM_GFX_INDEX, VCE_INSTANCE, i); 941 942 if (enable) { 943 /* initialize VCE_CLOCK_GATING_A: Clock ON/OFF delay */ 944 uint32_t data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_A); 945 data &= ~(0xf | 0xff0); 946 data |= ((0x0 << 0) | (0x04 << 4)); 947 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_A, data); 948 949 /* initialize VCE_UENC_CLOCK_GATING: Clock ON/OFF delay */ 950 data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING); 951 data &= ~(0xf | 0xff0); 952 data |= ((0x0 << 0) | (0x04 << 4)); 953 WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING, data); 954 } 955 956 vce_v4_0_set_vce_sw_clock_gating(adev, enable); 957 } 958 959 WREG32_FIELD(GRBM_GFX_INDEX, VCE_INSTANCE, 0); 960 mutex_unlock(&adev->grbm_idx_mutex); 961 962 return 0; 963 } 964 #endif 965 966 static int vce_v4_0_set_powergating_state(void *handle, 967 enum amd_powergating_state state) 968 { 969 /* This doesn't actually powergate the VCE block. 970 * That's done in the dpm code via the SMC. This 971 * just re-inits the block as necessary. The actual 972 * gating still happens in the dpm code. We should 973 * revisit this when there is a cleaner line between 974 * the smc and the hw blocks 975 */ 976 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 977 978 if (state == AMD_PG_STATE_GATE) 979 return vce_v4_0_stop(adev); 980 else 981 return vce_v4_0_start(adev); 982 } 983 984 static void vce_v4_0_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_job *job, 985 struct amdgpu_ib *ib, uint32_t flags) 986 { 987 unsigned vmid = AMDGPU_JOB_GET_VMID(job); 988 989 amdgpu_ring_write(ring, VCE_CMD_IB_VM); 990 amdgpu_ring_write(ring, vmid); 991 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 992 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 993 amdgpu_ring_write(ring, ib->length_dw); 994 } 995 996 static void vce_v4_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, 997 u64 seq, unsigned flags) 998 { 999 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 1000 1001 amdgpu_ring_write(ring, VCE_CMD_FENCE); 1002 amdgpu_ring_write(ring, addr); 1003 amdgpu_ring_write(ring, upper_32_bits(addr)); 1004 amdgpu_ring_write(ring, seq); 1005 amdgpu_ring_write(ring, VCE_CMD_TRAP); 1006 } 1007 1008 static void vce_v4_0_ring_insert_end(struct amdgpu_ring *ring) 1009 { 1010 amdgpu_ring_write(ring, VCE_CMD_END); 1011 } 1012 1013 static void vce_v4_0_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 1014 uint32_t val, uint32_t mask) 1015 { 1016 amdgpu_ring_write(ring, VCE_CMD_REG_WAIT); 1017 amdgpu_ring_write(ring, reg << 2); 1018 amdgpu_ring_write(ring, mask); 1019 amdgpu_ring_write(ring, val); 1020 } 1021 1022 static void vce_v4_0_emit_vm_flush(struct amdgpu_ring *ring, 1023 unsigned int vmid, uint64_t pd_addr) 1024 { 1025 struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub]; 1026 1027 pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1028 1029 /* wait for reg writes */ 1030 vce_v4_0_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 + 1031 vmid * hub->ctx_addr_distance, 1032 lower_32_bits(pd_addr), 0xffffffff); 1033 } 1034 1035 static void vce_v4_0_emit_wreg(struct amdgpu_ring *ring, 1036 uint32_t reg, uint32_t val) 1037 { 1038 amdgpu_ring_write(ring, VCE_CMD_REG_WRITE); 1039 amdgpu_ring_write(ring, reg << 2); 1040 amdgpu_ring_write(ring, val); 1041 } 1042 1043 static int vce_v4_0_set_interrupt_state(struct amdgpu_device *adev, 1044 struct amdgpu_irq_src *source, 1045 unsigned type, 1046 enum amdgpu_interrupt_state state) 1047 { 1048 uint32_t val = 0; 1049 1050 if (!amdgpu_sriov_vf(adev)) { 1051 if (state == AMDGPU_IRQ_STATE_ENABLE) 1052 val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK; 1053 1054 WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SYS_INT_EN), val, 1055 ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK); 1056 } 1057 return 0; 1058 } 1059 1060 static int vce_v4_0_process_interrupt(struct amdgpu_device *adev, 1061 struct amdgpu_irq_src *source, 1062 struct amdgpu_iv_entry *entry) 1063 { 1064 DRM_DEBUG("IH: VCE\n"); 1065 1066 switch (entry->src_data[0]) { 1067 case 0: 1068 case 1: 1069 case 2: 1070 amdgpu_fence_process(&adev->vce.ring[entry->src_data[0]]); 1071 break; 1072 default: 1073 DRM_ERROR("Unhandled interrupt: %d %d\n", 1074 entry->src_id, entry->src_data[0]); 1075 break; 1076 } 1077 1078 return 0; 1079 } 1080 1081 const struct amd_ip_funcs vce_v4_0_ip_funcs = { 1082 .name = "vce_v4_0", 1083 .early_init = vce_v4_0_early_init, 1084 .late_init = NULL, 1085 .sw_init = vce_v4_0_sw_init, 1086 .sw_fini = vce_v4_0_sw_fini, 1087 .hw_init = vce_v4_0_hw_init, 1088 .hw_fini = vce_v4_0_hw_fini, 1089 .suspend = vce_v4_0_suspend, 1090 .resume = vce_v4_0_resume, 1091 .is_idle = NULL /* vce_v4_0_is_idle */, 1092 .wait_for_idle = NULL /* vce_v4_0_wait_for_idle */, 1093 .check_soft_reset = NULL /* vce_v4_0_check_soft_reset */, 1094 .pre_soft_reset = NULL /* vce_v4_0_pre_soft_reset */, 1095 .soft_reset = NULL /* vce_v4_0_soft_reset */, 1096 .post_soft_reset = NULL /* vce_v4_0_post_soft_reset */, 1097 .set_clockgating_state = vce_v4_0_set_clockgating_state, 1098 .set_powergating_state = vce_v4_0_set_powergating_state, 1099 }; 1100 1101 static const struct amdgpu_ring_funcs vce_v4_0_ring_vm_funcs = { 1102 .type = AMDGPU_RING_TYPE_VCE, 1103 .align_mask = 0x3f, 1104 .nop = VCE_CMD_NO_OP, 1105 .support_64bit_ptrs = false, 1106 .no_user_fence = true, 1107 .get_rptr = vce_v4_0_ring_get_rptr, 1108 .get_wptr = vce_v4_0_ring_get_wptr, 1109 .set_wptr = vce_v4_0_ring_set_wptr, 1110 .parse_cs = amdgpu_vce_ring_parse_cs_vm, 1111 .emit_frame_size = 1112 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 1113 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 + 1114 4 + /* vce_v4_0_emit_vm_flush */ 1115 5 + 5 + /* amdgpu_vce_ring_emit_fence x2 vm fence */ 1116 1, /* vce_v4_0_ring_insert_end */ 1117 .emit_ib_size = 5, /* vce_v4_0_ring_emit_ib */ 1118 .emit_ib = vce_v4_0_ring_emit_ib, 1119 .emit_vm_flush = vce_v4_0_emit_vm_flush, 1120 .emit_fence = vce_v4_0_ring_emit_fence, 1121 .test_ring = amdgpu_vce_ring_test_ring, 1122 .test_ib = amdgpu_vce_ring_test_ib, 1123 .insert_nop = amdgpu_ring_insert_nop, 1124 .insert_end = vce_v4_0_ring_insert_end, 1125 .pad_ib = amdgpu_ring_generic_pad_ib, 1126 .begin_use = amdgpu_vce_ring_begin_use, 1127 .end_use = amdgpu_vce_ring_end_use, 1128 .emit_wreg = vce_v4_0_emit_wreg, 1129 .emit_reg_wait = vce_v4_0_emit_reg_wait, 1130 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper, 1131 }; 1132 1133 static void vce_v4_0_set_ring_funcs(struct amdgpu_device *adev) 1134 { 1135 int i; 1136 1137 for (i = 0; i < adev->vce.num_rings; i++) { 1138 adev->vce.ring[i].funcs = &vce_v4_0_ring_vm_funcs; 1139 adev->vce.ring[i].me = i; 1140 } 1141 DRM_INFO("VCE enabled in VM mode\n"); 1142 } 1143 1144 static const struct amdgpu_irq_src_funcs vce_v4_0_irq_funcs = { 1145 .set = vce_v4_0_set_interrupt_state, 1146 .process = vce_v4_0_process_interrupt, 1147 }; 1148 1149 static void vce_v4_0_set_irq_funcs(struct amdgpu_device *adev) 1150 { 1151 adev->vce.irq.num_types = 1; 1152 adev->vce.irq.funcs = &vce_v4_0_irq_funcs; 1153 }; 1154 1155 const struct amdgpu_ip_block_version vce_v4_0_ip_block = 1156 { 1157 .type = AMD_IP_BLOCK_TYPE_VCE, 1158 .major = 4, 1159 .minor = 0, 1160 .rev = 0, 1161 .funcs = &vce_v4_0_ip_funcs, 1162 }; 1163