1 /* 2 * Copyright 2023 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 */ 23 24 #include <linux/delay.h> 25 #include <linux/firmware.h> 26 #include <linux/module.h> 27 #include <linux/pci.h> 28 29 #include "amdgpu.h" 30 #include "amdgpu_ucode.h" 31 #include "amdgpu_trace.h" 32 33 #include "gc/gc_12_0_0_offset.h" 34 #include "gc/gc_12_0_0_sh_mask.h" 35 #include "hdp/hdp_6_0_0_offset.h" 36 #include "ivsrcid/gfx/irqsrcs_gfx_11_0_0.h" 37 38 #include "soc15_common.h" 39 #include "soc15.h" 40 #include "sdma_v6_0_0_pkt_open.h" 41 #include "nbio_v4_3.h" 42 #include "sdma_common.h" 43 #include "sdma_v7_0.h" 44 #include "v12_structs.h" 45 46 MODULE_FIRMWARE("amdgpu/sdma_7_0_0.bin"); 47 MODULE_FIRMWARE("amdgpu/sdma_7_0_1.bin"); 48 49 #define SDMA1_REG_OFFSET 0x600 50 #define SDMA0_HYP_DEC_REG_START 0x5880 51 #define SDMA0_HYP_DEC_REG_END 0x589a 52 #define SDMA1_HYP_DEC_REG_OFFSET 0x20 53 54 static void sdma_v7_0_set_ring_funcs(struct amdgpu_device *adev); 55 static void sdma_v7_0_set_buffer_funcs(struct amdgpu_device *adev); 56 static void sdma_v7_0_set_vm_pte_funcs(struct amdgpu_device *adev); 57 static void sdma_v7_0_set_irq_funcs(struct amdgpu_device *adev); 58 static int sdma_v7_0_start(struct amdgpu_device *adev); 59 60 static u32 sdma_v7_0_get_reg_offset(struct amdgpu_device *adev, u32 instance, u32 internal_offset) 61 { 62 u32 base; 63 64 if (internal_offset >= SDMA0_HYP_DEC_REG_START && 65 internal_offset <= SDMA0_HYP_DEC_REG_END) { 66 base = adev->reg_offset[GC_HWIP][0][1]; 67 if (instance != 0) 68 internal_offset += SDMA1_HYP_DEC_REG_OFFSET * instance; 69 } else { 70 base = adev->reg_offset[GC_HWIP][0][0]; 71 if (instance == 1) 72 internal_offset += SDMA1_REG_OFFSET; 73 } 74 75 return base + internal_offset; 76 } 77 78 static unsigned sdma_v7_0_ring_init_cond_exec(struct amdgpu_ring *ring, 79 uint64_t addr) 80 { 81 unsigned ret; 82 83 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_COND_EXE)); 84 amdgpu_ring_write(ring, lower_32_bits(addr)); 85 amdgpu_ring_write(ring, upper_32_bits(addr)); 86 amdgpu_ring_write(ring, 1); 87 /* this is the offset we need patch later */ 88 ret = ring->wptr & ring->buf_mask; 89 /* insert dummy here and patch it later */ 90 amdgpu_ring_write(ring, 0); 91 92 return ret; 93 } 94 95 /** 96 * sdma_v7_0_ring_get_rptr - get the current read pointer 97 * 98 * @ring: amdgpu ring pointer 99 * 100 * Get the current rptr from the hardware. 101 */ 102 static uint64_t sdma_v7_0_ring_get_rptr(struct amdgpu_ring *ring) 103 { 104 u64 *rptr; 105 106 /* XXX check if swapping is necessary on BE */ 107 rptr = (u64 *)ring->rptr_cpu_addr; 108 109 DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr); 110 return ((*rptr) >> 2); 111 } 112 113 /** 114 * sdma_v7_0_ring_get_wptr - get the current write pointer 115 * 116 * @ring: amdgpu ring pointer 117 * 118 * Get the current wptr from the hardware. 119 */ 120 static uint64_t sdma_v7_0_ring_get_wptr(struct amdgpu_ring *ring) 121 { 122 u64 wptr = 0; 123 124 if (ring->use_doorbell) { 125 /* XXX check if swapping is necessary on BE */ 126 wptr = READ_ONCE(*((u64 *)ring->wptr_cpu_addr)); 127 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr); 128 } 129 130 return wptr >> 2; 131 } 132 133 /** 134 * sdma_v7_0_ring_set_wptr - commit the write pointer 135 * 136 * @ring: amdgpu ring pointer 137 * 138 * Write the wptr back to the hardware. 139 */ 140 static void sdma_v7_0_ring_set_wptr(struct amdgpu_ring *ring) 141 { 142 struct amdgpu_device *adev = ring->adev; 143 uint32_t *wptr_saved; 144 uint32_t *is_queue_unmap; 145 uint64_t aggregated_db_index; 146 uint32_t mqd_size = adev->mqds[AMDGPU_HW_IP_DMA].mqd_size; 147 148 DRM_DEBUG("Setting write pointer\n"); 149 150 if (ring->is_mes_queue) { 151 wptr_saved = (uint32_t *)(ring->mqd_ptr + mqd_size); 152 is_queue_unmap = (uint32_t *)(ring->mqd_ptr + mqd_size + 153 sizeof(uint32_t)); 154 aggregated_db_index = 155 amdgpu_mes_get_aggregated_doorbell_index(adev, 156 ring->hw_prio); 157 158 atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 159 ring->wptr << 2); 160 *wptr_saved = ring->wptr << 2; 161 if (*is_queue_unmap) { 162 WDOORBELL64(aggregated_db_index, ring->wptr << 2); 163 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 164 ring->doorbell_index, ring->wptr << 2); 165 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 166 } else { 167 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 168 ring->doorbell_index, ring->wptr << 2); 169 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 170 171 if (*is_queue_unmap) 172 WDOORBELL64(aggregated_db_index, 173 ring->wptr << 2); 174 } 175 } else { 176 if (ring->use_doorbell) { 177 DRM_DEBUG("Using doorbell -- " 178 "wptr_offs == 0x%08x " 179 "lower_32_bits(ring->wptr) << 2 == 0x%08x " 180 "upper_32_bits(ring->wptr) << 2 == 0x%08x\n", 181 ring->wptr_offs, 182 lower_32_bits(ring->wptr << 2), 183 upper_32_bits(ring->wptr << 2)); 184 /* XXX check if swapping is necessary on BE */ 185 atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 186 ring->wptr << 2); 187 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 188 ring->doorbell_index, ring->wptr << 2); 189 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 190 } else { 191 DRM_DEBUG("Not using doorbell -- " 192 "regSDMA%i_GFX_RB_WPTR == 0x%08x " 193 "regSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n", 194 ring->me, 195 lower_32_bits(ring->wptr << 2), 196 ring->me, 197 upper_32_bits(ring->wptr << 2)); 198 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, 199 ring->me, 200 regSDMA0_QUEUE0_RB_WPTR), 201 lower_32_bits(ring->wptr << 2)); 202 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, 203 ring->me, 204 regSDMA0_QUEUE0_RB_WPTR_HI), 205 upper_32_bits(ring->wptr << 2)); 206 } 207 } 208 } 209 210 static void sdma_v7_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 211 { 212 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 213 int i; 214 215 for (i = 0; i < count; i++) 216 if (sdma && sdma->burst_nop && (i == 0)) 217 amdgpu_ring_write(ring, ring->funcs->nop | 218 SDMA_PKT_NOP_HEADER_COUNT(count - 1)); 219 else 220 amdgpu_ring_write(ring, ring->funcs->nop); 221 } 222 223 /** 224 * sdma_v7_0_ring_emit_ib - Schedule an IB on the DMA engine 225 * 226 * @ring: amdgpu ring pointer 227 * @ib: IB object to schedule 228 * 229 * Schedule an IB in the DMA ring. 230 */ 231 static void sdma_v7_0_ring_emit_ib(struct amdgpu_ring *ring, 232 struct amdgpu_job *job, 233 struct amdgpu_ib *ib, 234 uint32_t flags) 235 { 236 unsigned vmid = AMDGPU_JOB_GET_VMID(job); 237 uint64_t csa_mc_addr = amdgpu_sdma_get_csa_mc_addr(ring, vmid); 238 239 /* An IB packet must end on a 8 DW boundary--the next dword 240 * must be on a 8-dword boundary. Our IB packet below is 6 241 * dwords long, thus add x number of NOPs, such that, in 242 * modular arithmetic, 243 * wptr + 6 + x = 8k, k >= 0, which in C is, 244 * (wptr + 6 + x) % 8 = 0. 245 * The expression below, is a solution of x. 246 */ 247 sdma_v7_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7); 248 249 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_INDIRECT) | 250 SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf)); 251 /* base must be 32 byte aligned */ 252 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0); 253 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 254 amdgpu_ring_write(ring, ib->length_dw); 255 amdgpu_ring_write(ring, lower_32_bits(csa_mc_addr)); 256 amdgpu_ring_write(ring, upper_32_bits(csa_mc_addr)); 257 } 258 259 /** 260 * sdma_v7_0_ring_emit_mem_sync - flush the IB by graphics cache rinse 261 * 262 * @ring: amdgpu ring pointer 263 * @job: job to retrieve vmid from 264 * @ib: IB object to schedule 265 * 266 * flush the IB by graphics cache rinse. 267 */ 268 static void sdma_v7_0_ring_emit_mem_sync(struct amdgpu_ring *ring) 269 { 270 uint32_t gcr_cntl = SDMA_GCR_GL2_INV | SDMA_GCR_GL2_WB | SDMA_GCR_GLM_INV | 271 SDMA_GCR_GL1_INV | SDMA_GCR_GLV_INV | SDMA_GCR_GLK_INV | 272 SDMA_GCR_GLI_INV(1); 273 274 /* flush entire cache L0/L1/L2, this can be optimized by performance requirement */ 275 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_GCR_REQ)); 276 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD1_BASE_VA_31_7(0)); 277 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD2_GCR_CONTROL_15_0(gcr_cntl) | 278 SDMA_PKT_GCR_REQ_PAYLOAD2_BASE_VA_47_32(0)); 279 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD3_LIMIT_VA_31_7(0) | 280 SDMA_PKT_GCR_REQ_PAYLOAD3_GCR_CONTROL_18_16(gcr_cntl >> 16)); 281 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD4_LIMIT_VA_47_32(0) | 282 SDMA_PKT_GCR_REQ_PAYLOAD4_VMID(0)); 283 } 284 285 286 /** 287 * sdma_v7_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring 288 * 289 * @ring: amdgpu ring pointer 290 * 291 * Emit an hdp flush packet on the requested DMA ring. 292 */ 293 static void sdma_v7_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) 294 { 295 struct amdgpu_device *adev = ring->adev; 296 u32 ref_and_mask = 0; 297 const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg; 298 299 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0 << ring->me; 300 301 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_POLL_REGMEM) | 302 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) | 303 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */ 304 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_done_offset(adev)) << 2); 305 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_req_offset(adev)) << 2); 306 amdgpu_ring_write(ring, ref_and_mask); /* reference */ 307 amdgpu_ring_write(ring, ref_and_mask); /* mask */ 308 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 309 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ 310 } 311 312 /** 313 * sdma_v7_0_ring_emit_fence - emit a fence on the DMA ring 314 * 315 * @ring: amdgpu ring pointer 316 * @fence: amdgpu fence object 317 * 318 * Add a DMA fence packet to the ring to write 319 * the fence seq number and DMA trap packet to generate 320 * an interrupt if needed. 321 */ 322 static void sdma_v7_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 323 unsigned flags) 324 { 325 bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; 326 /* write the fence */ 327 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_FENCE) | 328 SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); /* Ucached(UC) */ 329 /* zero in first two bits */ 330 BUG_ON(addr & 0x3); 331 amdgpu_ring_write(ring, lower_32_bits(addr)); 332 amdgpu_ring_write(ring, upper_32_bits(addr)); 333 amdgpu_ring_write(ring, lower_32_bits(seq)); 334 335 /* optionally write high bits as well */ 336 if (write64bit) { 337 addr += 4; 338 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_FENCE) | 339 SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); 340 /* zero in first two bits */ 341 BUG_ON(addr & 0x3); 342 amdgpu_ring_write(ring, lower_32_bits(addr)); 343 amdgpu_ring_write(ring, upper_32_bits(addr)); 344 amdgpu_ring_write(ring, upper_32_bits(seq)); 345 } 346 347 if (flags & AMDGPU_FENCE_FLAG_INT) { 348 uint32_t ctx = ring->is_mes_queue ? 349 (ring->hw_queue_id | AMDGPU_FENCE_MES_QUEUE_FLAG) : 0; 350 /* generate an interrupt */ 351 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_TRAP)); 352 amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(ctx)); 353 } 354 } 355 356 /** 357 * sdma_v7_0_gfx_stop - stop the gfx async dma engines 358 * 359 * @adev: amdgpu_device pointer 360 * 361 * Stop the gfx async dma ring buffers. 362 */ 363 static void sdma_v7_0_gfx_stop(struct amdgpu_device *adev) 364 { 365 u32 rb_cntl, ib_cntl; 366 int i; 367 368 for (i = 0; i < adev->sdma.num_instances; i++) { 369 rb_cntl = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL)); 370 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_ENABLE, 0); 371 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL), rb_cntl); 372 ib_cntl = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_IB_CNTL)); 373 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_QUEUE0_IB_CNTL, IB_ENABLE, 0); 374 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_IB_CNTL), ib_cntl); 375 } 376 } 377 378 /** 379 * sdma_v7_0_rlc_stop - stop the compute async dma engines 380 * 381 * @adev: amdgpu_device pointer 382 * 383 * Stop the compute async dma queues. 384 */ 385 static void sdma_v7_0_rlc_stop(struct amdgpu_device *adev) 386 { 387 /* XXX todo */ 388 } 389 390 /** 391 * sdma_v7_0_ctx_switch_enable - stop the async dma engines context switch 392 * 393 * @adev: amdgpu_device pointer 394 * @enable: enable/disable the DMA MEs context switch. 395 * 396 * Halt or unhalt the async dma engines context switch. 397 */ 398 static void sdma_v7_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable) 399 { 400 } 401 402 /** 403 * sdma_v7_0_enable - stop the async dma engines 404 * 405 * @adev: amdgpu_device pointer 406 * @enable: enable/disable the DMA MEs. 407 * 408 * Halt or unhalt the async dma engines. 409 */ 410 static void sdma_v7_0_enable(struct amdgpu_device *adev, bool enable) 411 { 412 u32 mcu_cntl; 413 int i; 414 415 if (!enable) { 416 sdma_v7_0_gfx_stop(adev); 417 sdma_v7_0_rlc_stop(adev); 418 } 419 420 if (amdgpu_sriov_vf(adev)) 421 return; 422 423 for (i = 0; i < adev->sdma.num_instances; i++) { 424 mcu_cntl = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_MCU_CNTL)); 425 mcu_cntl = REG_SET_FIELD(mcu_cntl, SDMA0_MCU_CNTL, HALT, enable ? 0 : 1); 426 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_MCU_CNTL), mcu_cntl); 427 } 428 } 429 430 /** 431 * sdma_v7_0_gfx_resume - setup and start the async dma engines 432 * 433 * @adev: amdgpu_device pointer 434 * 435 * Set up the gfx DMA ring buffers and enable them. 436 * Returns 0 for success, error for failure. 437 */ 438 static int sdma_v7_0_gfx_resume(struct amdgpu_device *adev) 439 { 440 struct amdgpu_ring *ring; 441 u32 rb_cntl, ib_cntl; 442 u32 rb_bufsz; 443 u32 doorbell; 444 u32 doorbell_offset; 445 u32 tmp; 446 u64 wptr_gpu_addr; 447 int i, r; 448 449 for (i = 0; i < adev->sdma.num_instances; i++) { 450 ring = &adev->sdma.instance[i].ring; 451 452 //if (!amdgpu_sriov_vf(adev)) 453 // WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0); 454 455 /* Set ring buffer size in dwords */ 456 rb_bufsz = order_base_2(ring->ring_size / 4); 457 rb_cntl = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL)); 458 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_SIZE, rb_bufsz); 459 #ifdef __BIG_ENDIAN 460 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_SWAP_ENABLE, 1); 461 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, 462 RPTR_WRITEBACK_SWAP_ENABLE, 1); 463 #endif 464 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_PRIV, 1); 465 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL), rb_cntl); 466 467 /* Initialize the ring buffer's read and write pointers */ 468 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_RPTR), 0); 469 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_RPTR_HI), 0); 470 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR), 0); 471 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR_HI), 0); 472 473 /* setup the wptr shadow polling */ 474 wptr_gpu_addr = ring->wptr_gpu_addr; 475 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR_POLL_ADDR_LO), 476 lower_32_bits(wptr_gpu_addr)); 477 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR_POLL_ADDR_HI), 478 upper_32_bits(wptr_gpu_addr)); 479 480 /* set the wb address whether it's enabled or not */ 481 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_RPTR_ADDR_HI), 482 upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF); 483 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_RPTR_ADDR_LO), 484 lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC); 485 486 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1); 487 if (amdgpu_sriov_vf(adev)) 488 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, WPTR_POLL_ENABLE, 1); 489 else 490 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, WPTR_POLL_ENABLE, 0); 491 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, MCU_WPTR_POLL_ENABLE, 1); 492 493 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_BASE), ring->gpu_addr >> 8); 494 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_BASE_HI), ring->gpu_addr >> 40); 495 496 ring->wptr = 0; 497 498 /* before programing wptr to a less value, need set minor_ptr_update first */ 499 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_MINOR_PTR_UPDATE), 1); 500 501 if (!amdgpu_sriov_vf(adev)) { /* only bare-metal use register write for wptr */ 502 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR), lower_32_bits(ring->wptr) << 2); 503 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR_HI), upper_32_bits(ring->wptr) << 2); 504 } 505 506 doorbell = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_DOORBELL)); 507 doorbell_offset = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_DOORBELL_OFFSET)); 508 509 if (ring->use_doorbell) { 510 doorbell = REG_SET_FIELD(doorbell, SDMA0_QUEUE0_DOORBELL, ENABLE, 1); 511 doorbell_offset = REG_SET_FIELD(doorbell_offset, SDMA0_QUEUE0_DOORBELL_OFFSET, 512 OFFSET, ring->doorbell_index); 513 } else { 514 doorbell = REG_SET_FIELD(doorbell, SDMA0_QUEUE0_DOORBELL, ENABLE, 0); 515 } 516 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_DOORBELL), doorbell); 517 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_DOORBELL_OFFSET), doorbell_offset); 518 519 if (i == 0) 520 adev->nbio.funcs->sdma_doorbell_range(adev, i, ring->use_doorbell, 521 ring->doorbell_index, 522 adev->doorbell_index.sdma_doorbell_range * adev->sdma.num_instances); 523 524 if (amdgpu_sriov_vf(adev)) 525 sdma_v7_0_ring_set_wptr(ring); 526 527 /* set minor_ptr_update to 0 after wptr programed */ 528 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_MINOR_PTR_UPDATE), 0); 529 530 /* Set up sdma hang watchdog */ 531 tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_WATCHDOG_CNTL)); 532 /* 100ms per unit */ 533 tmp = REG_SET_FIELD(tmp, SDMA0_WATCHDOG_CNTL, QUEUE_HANG_COUNT, 534 max(adev->usec_timeout/100000, 1)); 535 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_WATCHDOG_CNTL), tmp); 536 537 /* Set up RESP_MODE to non-copy addresses */ 538 tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_UTCL1_CNTL)); 539 tmp = REG_SET_FIELD(tmp, SDMA0_UTCL1_CNTL, RESP_MODE, 3); 540 tmp = REG_SET_FIELD(tmp, SDMA0_UTCL1_CNTL, REDO_DELAY, 9); 541 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_UTCL1_CNTL), tmp); 542 543 /* program default cache read and write policy */ 544 tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_UTCL1_PAGE)); 545 /* clean read policy and write policy bits */ 546 tmp &= 0xFF0FFF; 547 tmp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) | 548 (CACHE_WRITE_POLICY_L2__DEFAULT << 14)); 549 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_UTCL1_PAGE), tmp); 550 551 if (!amdgpu_sriov_vf(adev)) { 552 /* unhalt engine */ 553 tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_MCU_CNTL)); 554 tmp = REG_SET_FIELD(tmp, SDMA0_MCU_CNTL, HALT, 0); 555 tmp = REG_SET_FIELD(tmp, SDMA0_MCU_CNTL, RESET, 0); 556 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_MCU_CNTL), tmp); 557 } 558 559 /* enable DMA RB */ 560 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_ENABLE, 1); 561 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL), rb_cntl); 562 563 ib_cntl = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_IB_CNTL)); 564 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_QUEUE0_IB_CNTL, IB_ENABLE, 1); 565 #ifdef __BIG_ENDIAN 566 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_QUEUE0_IB_CNTL, IB_SWAP_ENABLE, 1); 567 #endif 568 /* enable DMA IBs */ 569 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_IB_CNTL), ib_cntl); 570 571 ring->sched.ready = true; 572 573 if (amdgpu_sriov_vf(adev)) { /* bare-metal sequence doesn't need below to lines */ 574 sdma_v7_0_ctx_switch_enable(adev, true); 575 sdma_v7_0_enable(adev, true); 576 } 577 578 r = amdgpu_ring_test_helper(ring); 579 if (r) { 580 ring->sched.ready = false; 581 return r; 582 } 583 584 } 585 586 return 0; 587 } 588 589 /** 590 * sdma_v7_0_rlc_resume - setup and start the async dma engines 591 * 592 * @adev: amdgpu_device pointer 593 * 594 * Set up the compute DMA queues and enable them. 595 * Returns 0 for success, error for failure. 596 */ 597 static int sdma_v7_0_rlc_resume(struct amdgpu_device *adev) 598 { 599 return 0; 600 } 601 602 static void sdma_v12_0_free_ucode_buffer(struct amdgpu_device *adev) 603 { 604 int i; 605 606 for (i = 0; i < adev->sdma.num_instances; i++) { 607 amdgpu_bo_free_kernel(&adev->sdma.instance[i].sdma_fw_obj, 608 &adev->sdma.instance[i].sdma_fw_gpu_addr, 609 (void **)&adev->sdma.instance[i].sdma_fw_ptr); 610 } 611 } 612 613 /** 614 * sdma_v7_0_load_microcode - load the sDMA ME ucode 615 * 616 * @adev: amdgpu_device pointer 617 * 618 * Loads the sDMA0/1 ucode. 619 * Returns 0 for success, -EINVAL if the ucode is not available. 620 */ 621 static int sdma_v7_0_load_microcode(struct amdgpu_device *adev) 622 { 623 const struct sdma_firmware_header_v3_0 *hdr; 624 const __le32 *fw_data; 625 u32 fw_size; 626 uint32_t tmp, sdma_status, ic_op_cntl; 627 int i, r, j; 628 629 /* halt the MEs */ 630 sdma_v7_0_enable(adev, false); 631 632 if (!adev->sdma.instance[0].fw) 633 return -EINVAL; 634 635 hdr = (const struct sdma_firmware_header_v3_0 *) 636 adev->sdma.instance[0].fw->data; 637 amdgpu_ucode_print_sdma_hdr(&hdr->header); 638 639 fw_data = (const __le32 *)(adev->sdma.instance[0].fw->data + 640 le32_to_cpu(hdr->ucode_offset_bytes)); 641 fw_size = le32_to_cpu(hdr->ucode_size_bytes); 642 643 for (i = 0; i < adev->sdma.num_instances; i++) { 644 r = amdgpu_bo_create_reserved(adev, fw_size, 645 PAGE_SIZE, 646 AMDGPU_GEM_DOMAIN_VRAM, 647 &adev->sdma.instance[i].sdma_fw_obj, 648 &adev->sdma.instance[i].sdma_fw_gpu_addr, 649 (void **)&adev->sdma.instance[i].sdma_fw_ptr); 650 if (r) { 651 dev_err(adev->dev, "(%d) failed to create sdma ucode bo\n", r); 652 return r; 653 } 654 655 memcpy(adev->sdma.instance[i].sdma_fw_ptr, fw_data, fw_size); 656 657 amdgpu_bo_kunmap(adev->sdma.instance[i].sdma_fw_obj); 658 amdgpu_bo_unreserve(adev->sdma.instance[i].sdma_fw_obj); 659 660 tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_IC_CNTL)); 661 tmp = REG_SET_FIELD(tmp, SDMA0_IC_CNTL, GPA, 0); 662 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_IC_CNTL), tmp); 663 664 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_IC_BASE_LO), 665 lower_32_bits(adev->sdma.instance[i].sdma_fw_gpu_addr)); 666 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_IC_BASE_HI), 667 upper_32_bits(adev->sdma.instance[i].sdma_fw_gpu_addr)); 668 669 tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_IC_OP_CNTL)); 670 tmp = REG_SET_FIELD(tmp, SDMA0_IC_OP_CNTL, PRIME_ICACHE, 1); 671 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_IC_OP_CNTL), tmp); 672 673 /* Wait for sdma ucode init complete */ 674 for (j = 0; j < adev->usec_timeout; j++) { 675 ic_op_cntl = RREG32_SOC15_IP(GC, 676 sdma_v7_0_get_reg_offset(adev, i, regSDMA0_IC_OP_CNTL)); 677 sdma_status = RREG32_SOC15_IP(GC, 678 sdma_v7_0_get_reg_offset(adev, i, regSDMA0_STATUS_REG)); 679 if ((REG_GET_FIELD(ic_op_cntl, SDMA0_IC_OP_CNTL, ICACHE_PRIMED) == 1) && 680 (REG_GET_FIELD(sdma_status, SDMA0_STATUS_REG, UCODE_INIT_DONE) == 1)) 681 break; 682 udelay(1); 683 } 684 685 if (j >= adev->usec_timeout) { 686 dev_err(adev->dev, "failed to init sdma ucode\n"); 687 return -EINVAL; 688 } 689 } 690 691 return 0; 692 } 693 694 static int sdma_v7_0_soft_reset(void *handle) 695 { 696 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 697 u32 tmp; 698 int i; 699 700 sdma_v7_0_gfx_stop(adev); 701 702 for (i = 0; i < adev->sdma.num_instances; i++) { 703 //tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_FREEZE)); 704 //tmp |= SDMA0_FREEZE__FREEZE_MASK; 705 //WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_FREEZE), tmp); 706 tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_MCU_CNTL)); 707 tmp |= SDMA0_MCU_CNTL__HALT_MASK; 708 tmp |= SDMA0_MCU_CNTL__RESET_MASK; 709 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_MCU_CNTL), tmp); 710 711 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_PREEMPT), 0); 712 713 udelay(100); 714 715 tmp = GRBM_SOFT_RESET__SOFT_RESET_SDMA0_MASK << i; 716 WREG32_SOC15(GC, 0, regGRBM_SOFT_RESET, tmp); 717 tmp = RREG32_SOC15(GC, 0, regGRBM_SOFT_RESET); 718 719 udelay(100); 720 721 WREG32_SOC15(GC, 0, regGRBM_SOFT_RESET, 0); 722 tmp = RREG32_SOC15(GC, 0, regGRBM_SOFT_RESET); 723 724 udelay(100); 725 } 726 727 return sdma_v7_0_start(adev); 728 } 729 730 static bool sdma_v7_0_check_soft_reset(void *handle) 731 { 732 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 733 struct amdgpu_ring *ring; 734 int i, r; 735 long tmo = msecs_to_jiffies(1000); 736 737 for (i = 0; i < adev->sdma.num_instances; i++) { 738 ring = &adev->sdma.instance[i].ring; 739 r = amdgpu_ring_test_ib(ring, tmo); 740 if (r) 741 return true; 742 } 743 744 return false; 745 } 746 747 /** 748 * sdma_v7_0_start - setup and start the async dma engines 749 * 750 * @adev: amdgpu_device pointer 751 * 752 * Set up the DMA engines and enable them. 753 * Returns 0 for success, error for failure. 754 */ 755 static int sdma_v7_0_start(struct amdgpu_device *adev) 756 { 757 int r = 0; 758 759 if (amdgpu_sriov_vf(adev)) { 760 sdma_v7_0_ctx_switch_enable(adev, false); 761 sdma_v7_0_enable(adev, false); 762 763 /* set RB registers */ 764 r = sdma_v7_0_gfx_resume(adev); 765 return r; 766 } 767 768 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) { 769 r = sdma_v7_0_load_microcode(adev); 770 if (r) { 771 sdma_v12_0_free_ucode_buffer(adev); 772 return r; 773 } 774 775 if (amdgpu_emu_mode == 1) 776 msleep(1000); 777 } 778 779 /* unhalt the MEs */ 780 sdma_v7_0_enable(adev, true); 781 /* enable sdma ring preemption */ 782 sdma_v7_0_ctx_switch_enable(adev, true); 783 784 /* start the gfx rings and rlc compute queues */ 785 r = sdma_v7_0_gfx_resume(adev); 786 if (r) 787 return r; 788 r = sdma_v7_0_rlc_resume(adev); 789 790 return r; 791 } 792 793 static int sdma_v7_0_mqd_init(struct amdgpu_device *adev, void *mqd, 794 struct amdgpu_mqd_prop *prop) 795 { 796 struct v12_sdma_mqd *m = mqd; 797 uint64_t wb_gpu_addr; 798 799 m->sdmax_rlcx_rb_cntl = 800 order_base_2(prop->queue_size / 4) << SDMA0_QUEUE0_RB_CNTL__RB_SIZE__SHIFT | 801 1 << SDMA0_QUEUE0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT | 802 4 << SDMA0_QUEUE0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT | 803 1 << SDMA0_QUEUE0_RB_CNTL__MCU_WPTR_POLL_ENABLE__SHIFT; 804 805 m->sdmax_rlcx_rb_base = lower_32_bits(prop->hqd_base_gpu_addr >> 8); 806 m->sdmax_rlcx_rb_base_hi = upper_32_bits(prop->hqd_base_gpu_addr >> 8); 807 808 wb_gpu_addr = prop->wptr_gpu_addr; 809 m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits(wb_gpu_addr); 810 m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr); 811 812 wb_gpu_addr = prop->rptr_gpu_addr; 813 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits(wb_gpu_addr); 814 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits(wb_gpu_addr); 815 816 m->sdmax_rlcx_ib_cntl = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, 0, 817 regSDMA0_QUEUE0_IB_CNTL)); 818 819 m->sdmax_rlcx_doorbell_offset = 820 prop->doorbell_index << SDMA0_QUEUE0_DOORBELL_OFFSET__OFFSET__SHIFT; 821 822 m->sdmax_rlcx_doorbell = REG_SET_FIELD(0, SDMA0_QUEUE0_DOORBELL, ENABLE, 1); 823 824 m->sdmax_rlcx_doorbell_log = 0; 825 m->sdmax_rlcx_rb_aql_cntl = 0x4000; //regSDMA0_QUEUE0_RB_AQL_CNTL_DEFAULT; 826 m->sdmax_rlcx_dummy_reg = 0xf; //regSDMA0_QUEUE0_DUMMY_REG_DEFAULT; 827 828 return 0; 829 } 830 831 static void sdma_v7_0_set_mqd_funcs(struct amdgpu_device *adev) 832 { 833 adev->mqds[AMDGPU_HW_IP_DMA].mqd_size = sizeof(struct v12_sdma_mqd); 834 adev->mqds[AMDGPU_HW_IP_DMA].init_mqd = sdma_v7_0_mqd_init; 835 } 836 837 /** 838 * sdma_v7_0_ring_test_ring - simple async dma engine test 839 * 840 * @ring: amdgpu_ring structure holding ring information 841 * 842 * Test the DMA engine by writing using it to write an 843 * value to memory. 844 * Returns 0 for success, error for failure. 845 */ 846 static int sdma_v7_0_ring_test_ring(struct amdgpu_ring *ring) 847 { 848 struct amdgpu_device *adev = ring->adev; 849 unsigned i; 850 unsigned index; 851 int r; 852 u32 tmp; 853 u64 gpu_addr; 854 volatile uint32_t *cpu_ptr = NULL; 855 856 tmp = 0xCAFEDEAD; 857 858 if (ring->is_mes_queue) { 859 uint32_t offset = 0; 860 offset = amdgpu_mes_ctx_get_offs(ring, 861 AMDGPU_MES_CTX_PADDING_OFFS); 862 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 863 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 864 *cpu_ptr = tmp; 865 } else { 866 r = amdgpu_device_wb_get(adev, &index); 867 if (r) { 868 dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); 869 return r; 870 } 871 872 gpu_addr = adev->wb.gpu_addr + (index * 4); 873 adev->wb.wb[index] = cpu_to_le32(tmp); 874 } 875 876 r = amdgpu_ring_alloc(ring, 5); 877 if (r) { 878 DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r); 879 if (!ring->is_mes_queue) 880 amdgpu_device_wb_free(adev, index); 881 return r; 882 } 883 884 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_WRITE) | 885 SDMA_PKT_COPY_LINEAR_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); 886 amdgpu_ring_write(ring, lower_32_bits(gpu_addr)); 887 amdgpu_ring_write(ring, upper_32_bits(gpu_addr)); 888 amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0)); 889 amdgpu_ring_write(ring, 0xDEADBEEF); 890 amdgpu_ring_commit(ring); 891 892 for (i = 0; i < adev->usec_timeout; i++) { 893 if (ring->is_mes_queue) 894 tmp = le32_to_cpu(*cpu_ptr); 895 else 896 tmp = le32_to_cpu(adev->wb.wb[index]); 897 if (tmp == 0xDEADBEEF) 898 break; 899 if (amdgpu_emu_mode == 1) 900 msleep(1); 901 else 902 udelay(1); 903 } 904 905 if (i >= adev->usec_timeout) 906 r = -ETIMEDOUT; 907 908 if (!ring->is_mes_queue) 909 amdgpu_device_wb_free(adev, index); 910 911 return r; 912 } 913 914 /** 915 * sdma_v7_0_ring_test_ib - test an IB on the DMA engine 916 * 917 * @ring: amdgpu_ring structure holding ring information 918 * 919 * Test a simple IB in the DMA ring. 920 * Returns 0 on success, error on failure. 921 */ 922 static int sdma_v7_0_ring_test_ib(struct amdgpu_ring *ring, long timeout) 923 { 924 struct amdgpu_device *adev = ring->adev; 925 struct amdgpu_ib ib; 926 struct dma_fence *f = NULL; 927 unsigned index; 928 long r; 929 u32 tmp = 0; 930 u64 gpu_addr; 931 volatile uint32_t *cpu_ptr = NULL; 932 933 tmp = 0xCAFEDEAD; 934 memset(&ib, 0, sizeof(ib)); 935 936 if (ring->is_mes_queue) { 937 uint32_t offset = 0; 938 offset = amdgpu_mes_ctx_get_offs(ring, AMDGPU_MES_CTX_IB_OFFS); 939 ib.gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 940 ib.ptr = (void *)amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 941 942 offset = amdgpu_mes_ctx_get_offs(ring, 943 AMDGPU_MES_CTX_PADDING_OFFS); 944 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 945 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 946 *cpu_ptr = tmp; 947 } else { 948 r = amdgpu_device_wb_get(adev, &index); 949 if (r) { 950 dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r); 951 return r; 952 } 953 954 gpu_addr = adev->wb.gpu_addr + (index * 4); 955 adev->wb.wb[index] = cpu_to_le32(tmp); 956 957 r = amdgpu_ib_get(adev, NULL, 256, AMDGPU_IB_POOL_DIRECT, &ib); 958 if (r) { 959 DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r); 960 goto err0; 961 } 962 } 963 964 ib.ptr[0] = SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_WRITE) | 965 SDMA_PKT_COPY_LINEAR_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 966 ib.ptr[1] = lower_32_bits(gpu_addr); 967 ib.ptr[2] = upper_32_bits(gpu_addr); 968 ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0); 969 ib.ptr[4] = 0xDEADBEEF; 970 ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 971 ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 972 ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 973 ib.length_dw = 8; 974 975 r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); 976 if (r) 977 goto err1; 978 979 r = dma_fence_wait_timeout(f, false, timeout); 980 if (r == 0) { 981 DRM_ERROR("amdgpu: IB test timed out\n"); 982 r = -ETIMEDOUT; 983 goto err1; 984 } else if (r < 0) { 985 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); 986 goto err1; 987 } 988 989 if (ring->is_mes_queue) 990 tmp = le32_to_cpu(*cpu_ptr); 991 else 992 tmp = le32_to_cpu(adev->wb.wb[index]); 993 994 if (tmp == 0xDEADBEEF) 995 r = 0; 996 else 997 r = -EINVAL; 998 999 err1: 1000 amdgpu_ib_free(adev, &ib, NULL); 1001 dma_fence_put(f); 1002 err0: 1003 if (!ring->is_mes_queue) 1004 amdgpu_device_wb_free(adev, index); 1005 return r; 1006 } 1007 1008 1009 /** 1010 * sdma_v7_0_vm_copy_pte - update PTEs by copying them from the GART 1011 * 1012 * @ib: indirect buffer to fill with commands 1013 * @pe: addr of the page entry 1014 * @src: src addr to copy from 1015 * @count: number of page entries to update 1016 * 1017 * Update PTEs by copying them from the GART using sDMA. 1018 */ 1019 static void sdma_v7_0_vm_copy_pte(struct amdgpu_ib *ib, 1020 uint64_t pe, uint64_t src, 1021 unsigned count) 1022 { 1023 unsigned bytes = count * 8; 1024 1025 ib->ptr[ib->length_dw++] = SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_COPY) | 1026 SDMA_PKT_COPY_LINEAR_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); 1027 ib->ptr[ib->length_dw++] = bytes - 1; 1028 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1029 ib->ptr[ib->length_dw++] = lower_32_bits(src); 1030 ib->ptr[ib->length_dw++] = upper_32_bits(src); 1031 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1032 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1033 1034 } 1035 1036 /** 1037 * sdma_v7_0_vm_write_pte - update PTEs by writing them manually 1038 * 1039 * @ib: indirect buffer to fill with commands 1040 * @pe: addr of the page entry 1041 * @addr: dst addr to write into pe 1042 * @count: number of page entries to update 1043 * @incr: increase next addr by incr bytes 1044 * @flags: access flags 1045 * 1046 * Update PTEs by writing them manually using sDMA. 1047 */ 1048 static void sdma_v7_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe, 1049 uint64_t value, unsigned count, 1050 uint32_t incr) 1051 { 1052 unsigned ndw = count * 2; 1053 1054 ib->ptr[ib->length_dw++] = SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_WRITE) | 1055 SDMA_PKT_COPY_LINEAR_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1056 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1057 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1058 ib->ptr[ib->length_dw++] = ndw - 1; 1059 for (; ndw > 0; ndw -= 2) { 1060 ib->ptr[ib->length_dw++] = lower_32_bits(value); 1061 ib->ptr[ib->length_dw++] = upper_32_bits(value); 1062 value += incr; 1063 } 1064 } 1065 1066 /** 1067 * sdma_v7_0_vm_set_pte_pde - update the page tables using sDMA 1068 * 1069 * @ib: indirect buffer to fill with commands 1070 * @pe: addr of the page entry 1071 * @addr: dst addr to write into pe 1072 * @count: number of page entries to update 1073 * @incr: increase next addr by incr bytes 1074 * @flags: access flags 1075 * 1076 * Update the page tables using sDMA. 1077 */ 1078 static void sdma_v7_0_vm_set_pte_pde(struct amdgpu_ib *ib, 1079 uint64_t pe, 1080 uint64_t addr, unsigned count, 1081 uint32_t incr, uint64_t flags) 1082 { 1083 /* for physically contiguous pages (vram) */ 1084 ib->ptr[ib->length_dw++] = SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_PTEPDE); 1085 ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */ 1086 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1087 ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */ 1088 ib->ptr[ib->length_dw++] = upper_32_bits(flags); 1089 ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */ 1090 ib->ptr[ib->length_dw++] = upper_32_bits(addr); 1091 ib->ptr[ib->length_dw++] = incr; /* increment size */ 1092 ib->ptr[ib->length_dw++] = 0; 1093 ib->ptr[ib->length_dw++] = count - 1; /* number of entries */ 1094 } 1095 1096 /** 1097 * sdma_v7_0_ring_pad_ib - pad the IB 1098 * @ib: indirect buffer to fill with padding 1099 * 1100 * Pad the IB with NOPs to a boundary multiple of 8. 1101 */ 1102 static void sdma_v7_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib) 1103 { 1104 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 1105 u32 pad_count; 1106 int i; 1107 1108 pad_count = (-ib->length_dw) & 0x7; 1109 for (i = 0; i < pad_count; i++) 1110 if (sdma && sdma->burst_nop && (i == 0)) 1111 ib->ptr[ib->length_dw++] = 1112 SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_NOP) | 1113 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1); 1114 else 1115 ib->ptr[ib->length_dw++] = 1116 SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_NOP); 1117 } 1118 1119 /** 1120 * sdma_v7_0_ring_emit_pipeline_sync - sync the pipeline 1121 * 1122 * @ring: amdgpu_ring pointer 1123 * 1124 * Make sure all previous operations are completed (CIK). 1125 */ 1126 static void sdma_v7_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring) 1127 { 1128 uint32_t seq = ring->fence_drv.sync_seq; 1129 uint64_t addr = ring->fence_drv.gpu_addr; 1130 1131 /* wait for idle */ 1132 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_POLL_REGMEM) | 1133 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | 1134 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3) | /* equal */ 1135 SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(1)); 1136 amdgpu_ring_write(ring, addr & 0xfffffffc); 1137 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); 1138 amdgpu_ring_write(ring, seq); /* reference */ 1139 amdgpu_ring_write(ring, 0xffffffff); /* mask */ 1140 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 1141 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */ 1142 } 1143 1144 /** 1145 * sdma_v7_0_ring_emit_vm_flush - vm flush using sDMA 1146 * 1147 * @ring: amdgpu_ring pointer 1148 * @vm: amdgpu_vm pointer 1149 * 1150 * Update the page table base and flush the VM TLB 1151 * using sDMA. 1152 */ 1153 static void sdma_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring, 1154 unsigned vmid, uint64_t pd_addr) 1155 { 1156 amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1157 } 1158 1159 static void sdma_v7_0_ring_emit_wreg(struct amdgpu_ring *ring, 1160 uint32_t reg, uint32_t val) 1161 { 1162 /* SRBM WRITE command will not support on sdma v7. 1163 * Use Register WRITE command instead, which OPCODE is same as SRBM WRITE 1164 */ 1165 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_SRBM_WRITE)); 1166 amdgpu_ring_write(ring, reg << 2); 1167 amdgpu_ring_write(ring, val); 1168 } 1169 1170 static void sdma_v7_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 1171 uint32_t val, uint32_t mask) 1172 { 1173 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_POLL_REGMEM) | 1174 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | 1175 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* equal */ 1176 amdgpu_ring_write(ring, reg << 2); 1177 amdgpu_ring_write(ring, 0); 1178 amdgpu_ring_write(ring, val); /* reference */ 1179 amdgpu_ring_write(ring, mask); /* mask */ 1180 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 1181 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); 1182 } 1183 1184 static void sdma_v7_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring, 1185 uint32_t reg0, uint32_t reg1, 1186 uint32_t ref, uint32_t mask) 1187 { 1188 amdgpu_ring_emit_wreg(ring, reg0, ref); 1189 /* wait for a cycle to reset vm_inv_eng*_ack */ 1190 amdgpu_ring_emit_reg_wait(ring, reg0, 0, 0); 1191 amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask); 1192 } 1193 1194 static int sdma_v7_0_early_init(void *handle) 1195 { 1196 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1197 int r; 1198 1199 r = amdgpu_sdma_init_microcode(adev, 0, true); 1200 if (r) { 1201 DRM_ERROR("Failed to init sdma firmware!\n"); 1202 return r; 1203 } 1204 1205 sdma_v7_0_set_ring_funcs(adev); 1206 sdma_v7_0_set_buffer_funcs(adev); 1207 sdma_v7_0_set_vm_pte_funcs(adev); 1208 sdma_v7_0_set_irq_funcs(adev); 1209 sdma_v7_0_set_mqd_funcs(adev); 1210 1211 return 0; 1212 } 1213 1214 static int sdma_v7_0_sw_init(void *handle) 1215 { 1216 struct amdgpu_ring *ring; 1217 int r, i; 1218 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1219 1220 /* SDMA trap event */ 1221 r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_GFX, 1222 GFX_11_0_0__SRCID__SDMA_TRAP, 1223 &adev->sdma.trap_irq); 1224 if (r) 1225 return r; 1226 1227 for (i = 0; i < adev->sdma.num_instances; i++) { 1228 ring = &adev->sdma.instance[i].ring; 1229 ring->ring_obj = NULL; 1230 ring->use_doorbell = true; 1231 ring->me = i; 1232 1233 DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i, 1234 ring->use_doorbell?"true":"false"); 1235 1236 ring->doorbell_index = 1237 (adev->doorbell_index.sdma_engine[i] << 1); // get DWORD offset 1238 1239 ring->vm_hub = AMDGPU_GFXHUB(0); 1240 sprintf(ring->name, "sdma%d", i); 1241 r = amdgpu_ring_init(adev, ring, 1024, 1242 &adev->sdma.trap_irq, 1243 AMDGPU_SDMA_IRQ_INSTANCE0 + i, 1244 AMDGPU_RING_PRIO_DEFAULT, NULL); 1245 if (r) 1246 return r; 1247 } 1248 1249 return r; 1250 } 1251 1252 static int sdma_v7_0_sw_fini(void *handle) 1253 { 1254 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1255 int i; 1256 1257 for (i = 0; i < adev->sdma.num_instances; i++) 1258 amdgpu_ring_fini(&adev->sdma.instance[i].ring); 1259 1260 amdgpu_sdma_destroy_inst_ctx(adev, true); 1261 1262 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) 1263 sdma_v12_0_free_ucode_buffer(adev); 1264 1265 return 0; 1266 } 1267 1268 static int sdma_v7_0_hw_init(void *handle) 1269 { 1270 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1271 1272 return sdma_v7_0_start(adev); 1273 } 1274 1275 static int sdma_v7_0_hw_fini(void *handle) 1276 { 1277 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1278 1279 if (amdgpu_sriov_vf(adev)) 1280 return 0; 1281 1282 sdma_v7_0_ctx_switch_enable(adev, false); 1283 sdma_v7_0_enable(adev, false); 1284 1285 return 0; 1286 } 1287 1288 static int sdma_v7_0_suspend(void *handle) 1289 { 1290 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1291 1292 return sdma_v7_0_hw_fini(adev); 1293 } 1294 1295 static int sdma_v7_0_resume(void *handle) 1296 { 1297 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1298 1299 return sdma_v7_0_hw_init(adev); 1300 } 1301 1302 static bool sdma_v7_0_is_idle(void *handle) 1303 { 1304 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1305 u32 i; 1306 1307 for (i = 0; i < adev->sdma.num_instances; i++) { 1308 u32 tmp = RREG32(sdma_v7_0_get_reg_offset(adev, i, regSDMA0_STATUS_REG)); 1309 1310 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK)) 1311 return false; 1312 } 1313 1314 return true; 1315 } 1316 1317 static int sdma_v7_0_wait_for_idle(void *handle) 1318 { 1319 unsigned i; 1320 u32 sdma0, sdma1; 1321 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1322 1323 for (i = 0; i < adev->usec_timeout; i++) { 1324 sdma0 = RREG32(sdma_v7_0_get_reg_offset(adev, 0, regSDMA0_STATUS_REG)); 1325 sdma1 = RREG32(sdma_v7_0_get_reg_offset(adev, 1, regSDMA0_STATUS_REG)); 1326 1327 if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK) 1328 return 0; 1329 udelay(1); 1330 } 1331 return -ETIMEDOUT; 1332 } 1333 1334 static int sdma_v7_0_ring_preempt_ib(struct amdgpu_ring *ring) 1335 { 1336 int i, r = 0; 1337 struct amdgpu_device *adev = ring->adev; 1338 u32 index = 0; 1339 u64 sdma_gfx_preempt; 1340 1341 amdgpu_sdma_get_index_from_ring(ring, &index); 1342 sdma_gfx_preempt = 1343 sdma_v7_0_get_reg_offset(adev, index, regSDMA0_QUEUE0_PREEMPT); 1344 1345 /* assert preemption condition */ 1346 amdgpu_ring_set_preempt_cond_exec(ring, false); 1347 1348 /* emit the trailing fence */ 1349 ring->trail_seq += 1; 1350 amdgpu_ring_alloc(ring, 10); 1351 sdma_v7_0_ring_emit_fence(ring, ring->trail_fence_gpu_addr, 1352 ring->trail_seq, 0); 1353 amdgpu_ring_commit(ring); 1354 1355 /* assert IB preemption */ 1356 WREG32(sdma_gfx_preempt, 1); 1357 1358 /* poll the trailing fence */ 1359 for (i = 0; i < adev->usec_timeout; i++) { 1360 if (ring->trail_seq == 1361 le32_to_cpu(*(ring->trail_fence_cpu_addr))) 1362 break; 1363 udelay(1); 1364 } 1365 1366 if (i >= adev->usec_timeout) { 1367 r = -EINVAL; 1368 DRM_ERROR("ring %d failed to be preempted\n", ring->idx); 1369 } 1370 1371 /* deassert IB preemption */ 1372 WREG32(sdma_gfx_preempt, 0); 1373 1374 /* deassert the preemption condition */ 1375 amdgpu_ring_set_preempt_cond_exec(ring, true); 1376 return r; 1377 } 1378 1379 static int sdma_v7_0_set_trap_irq_state(struct amdgpu_device *adev, 1380 struct amdgpu_irq_src *source, 1381 unsigned type, 1382 enum amdgpu_interrupt_state state) 1383 { 1384 u32 sdma_cntl; 1385 1386 u32 reg_offset = sdma_v7_0_get_reg_offset(adev, type, regSDMA0_CNTL); 1387 1388 sdma_cntl = RREG32(reg_offset); 1389 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1390 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); 1391 WREG32(reg_offset, sdma_cntl); 1392 1393 return 0; 1394 } 1395 1396 static int sdma_v7_0_process_trap_irq(struct amdgpu_device *adev, 1397 struct amdgpu_irq_src *source, 1398 struct amdgpu_iv_entry *entry) 1399 { 1400 int instances, queue; 1401 uint32_t mes_queue_id = entry->src_data[0]; 1402 1403 DRM_DEBUG("IH: SDMA trap\n"); 1404 1405 if (adev->enable_mes && (mes_queue_id & AMDGPU_FENCE_MES_QUEUE_FLAG)) { 1406 struct amdgpu_mes_queue *queue; 1407 1408 mes_queue_id &= AMDGPU_FENCE_MES_QUEUE_ID_MASK; 1409 1410 spin_lock(&adev->mes.queue_id_lock); 1411 queue = idr_find(&adev->mes.queue_id_idr, mes_queue_id); 1412 if (queue) { 1413 DRM_DEBUG("process smda queue id = %d\n", mes_queue_id); 1414 amdgpu_fence_process(queue->ring); 1415 } 1416 spin_unlock(&adev->mes.queue_id_lock); 1417 return 0; 1418 } 1419 1420 queue = entry->ring_id & 0xf; 1421 instances = (entry->ring_id & 0xf0) >> 4; 1422 if (instances > 1) { 1423 DRM_ERROR("IH: wrong ring_ID detected, as wrong sdma instance\n"); 1424 return -EINVAL; 1425 } 1426 1427 switch (entry->client_id) { 1428 case SOC21_IH_CLIENTID_GFX: 1429 switch (queue) { 1430 case 0: 1431 amdgpu_fence_process(&adev->sdma.instance[instances].ring); 1432 break; 1433 default: 1434 break; 1435 } 1436 break; 1437 } 1438 return 0; 1439 } 1440 1441 static int sdma_v7_0_process_illegal_inst_irq(struct amdgpu_device *adev, 1442 struct amdgpu_irq_src *source, 1443 struct amdgpu_iv_entry *entry) 1444 { 1445 return 0; 1446 } 1447 1448 static int sdma_v7_0_set_clockgating_state(void *handle, 1449 enum amd_clockgating_state state) 1450 { 1451 return 0; 1452 } 1453 1454 static int sdma_v7_0_set_powergating_state(void *handle, 1455 enum amd_powergating_state state) 1456 { 1457 return 0; 1458 } 1459 1460 static void sdma_v7_0_get_clockgating_state(void *handle, u64 *flags) 1461 { 1462 } 1463 1464 const struct amd_ip_funcs sdma_v7_0_ip_funcs = { 1465 .name = "sdma_v7_0", 1466 .early_init = sdma_v7_0_early_init, 1467 .late_init = NULL, 1468 .sw_init = sdma_v7_0_sw_init, 1469 .sw_fini = sdma_v7_0_sw_fini, 1470 .hw_init = sdma_v7_0_hw_init, 1471 .hw_fini = sdma_v7_0_hw_fini, 1472 .suspend = sdma_v7_0_suspend, 1473 .resume = sdma_v7_0_resume, 1474 .is_idle = sdma_v7_0_is_idle, 1475 .wait_for_idle = sdma_v7_0_wait_for_idle, 1476 .soft_reset = sdma_v7_0_soft_reset, 1477 .check_soft_reset = sdma_v7_0_check_soft_reset, 1478 .set_clockgating_state = sdma_v7_0_set_clockgating_state, 1479 .set_powergating_state = sdma_v7_0_set_powergating_state, 1480 .get_clockgating_state = sdma_v7_0_get_clockgating_state, 1481 }; 1482 1483 static const struct amdgpu_ring_funcs sdma_v7_0_ring_funcs = { 1484 .type = AMDGPU_RING_TYPE_SDMA, 1485 .align_mask = 0xf, 1486 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 1487 .support_64bit_ptrs = true, 1488 .secure_submission_supported = true, 1489 .get_rptr = sdma_v7_0_ring_get_rptr, 1490 .get_wptr = sdma_v7_0_ring_get_wptr, 1491 .set_wptr = sdma_v7_0_ring_set_wptr, 1492 .emit_frame_size = 1493 5 + /* sdma_v7_0_ring_init_cond_exec */ 1494 6 + /* sdma_v7_0_ring_emit_hdp_flush */ 1495 6 + /* sdma_v7_0_ring_emit_pipeline_sync */ 1496 /* sdma_v7_0_ring_emit_vm_flush */ 1497 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 1498 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 + 1499 10 + 10 + 10, /* sdma_v7_0_ring_emit_fence x3 for user fence, vm fence */ 1500 .emit_ib_size = 5 + 7 + 6, /* sdma_v7_0_ring_emit_ib */ 1501 .emit_ib = sdma_v7_0_ring_emit_ib, 1502 .emit_mem_sync = sdma_v7_0_ring_emit_mem_sync, 1503 .emit_fence = sdma_v7_0_ring_emit_fence, 1504 .emit_pipeline_sync = sdma_v7_0_ring_emit_pipeline_sync, 1505 .emit_vm_flush = sdma_v7_0_ring_emit_vm_flush, 1506 .emit_hdp_flush = sdma_v7_0_ring_emit_hdp_flush, 1507 .test_ring = sdma_v7_0_ring_test_ring, 1508 .test_ib = sdma_v7_0_ring_test_ib, 1509 .insert_nop = sdma_v7_0_ring_insert_nop, 1510 .pad_ib = sdma_v7_0_ring_pad_ib, 1511 .emit_wreg = sdma_v7_0_ring_emit_wreg, 1512 .emit_reg_wait = sdma_v7_0_ring_emit_reg_wait, 1513 .emit_reg_write_reg_wait = sdma_v7_0_ring_emit_reg_write_reg_wait, 1514 .init_cond_exec = sdma_v7_0_ring_init_cond_exec, 1515 .preempt_ib = sdma_v7_0_ring_preempt_ib, 1516 }; 1517 1518 static void sdma_v7_0_set_ring_funcs(struct amdgpu_device *adev) 1519 { 1520 int i; 1521 1522 for (i = 0; i < adev->sdma.num_instances; i++) { 1523 adev->sdma.instance[i].ring.funcs = &sdma_v7_0_ring_funcs; 1524 adev->sdma.instance[i].ring.me = i; 1525 } 1526 } 1527 1528 static const struct amdgpu_irq_src_funcs sdma_v7_0_trap_irq_funcs = { 1529 .set = sdma_v7_0_set_trap_irq_state, 1530 .process = sdma_v7_0_process_trap_irq, 1531 }; 1532 1533 static const struct amdgpu_irq_src_funcs sdma_v7_0_illegal_inst_irq_funcs = { 1534 .process = sdma_v7_0_process_illegal_inst_irq, 1535 }; 1536 1537 static void sdma_v7_0_set_irq_funcs(struct amdgpu_device *adev) 1538 { 1539 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE0 + 1540 adev->sdma.num_instances; 1541 adev->sdma.trap_irq.funcs = &sdma_v7_0_trap_irq_funcs; 1542 adev->sdma.illegal_inst_irq.funcs = &sdma_v7_0_illegal_inst_irq_funcs; 1543 } 1544 1545 /** 1546 * sdma_v7_0_emit_copy_buffer - copy buffer using the sDMA engine 1547 * 1548 * @ring: amdgpu_ring structure holding ring information 1549 * @src_offset: src GPU address 1550 * @dst_offset: dst GPU address 1551 * @byte_count: number of bytes to xfer 1552 * @copy_flags: flags for the copy 1553 * 1554 * Copy GPU buffers using the DMA engine. 1555 * Used by the amdgpu ttm implementation to move pages if 1556 * registered as the asic copy callback. 1557 */ 1558 static void sdma_v7_0_emit_copy_buffer(struct amdgpu_ib *ib, 1559 uint64_t src_offset, 1560 uint64_t dst_offset, 1561 uint32_t byte_count, 1562 uint32_t copy_flags) 1563 { 1564 ib->ptr[ib->length_dw++] = SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_COPY) | 1565 SDMA_PKT_COPY_LINEAR_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) | 1566 SDMA_PKT_COPY_LINEAR_HEADER_TMZ((copy_flags & AMDGPU_COPY_FLAGS_TMZ) ? 1 : 0); 1567 ib->ptr[ib->length_dw++] = byte_count - 1; 1568 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1569 ib->ptr[ib->length_dw++] = lower_32_bits(src_offset); 1570 ib->ptr[ib->length_dw++] = upper_32_bits(src_offset); 1571 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1572 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1573 } 1574 1575 /** 1576 * sdma_v7_0_emit_fill_buffer - fill buffer using the sDMA engine 1577 * 1578 * @ring: amdgpu_ring structure holding ring information 1579 * @src_data: value to write to buffer 1580 * @dst_offset: dst GPU address 1581 * @byte_count: number of bytes to xfer 1582 * 1583 * Fill GPU buffers using the DMA engine. 1584 */ 1585 static void sdma_v7_0_emit_fill_buffer(struct amdgpu_ib *ib, 1586 uint32_t src_data, 1587 uint64_t dst_offset, 1588 uint32_t byte_count) 1589 { 1590 ib->ptr[ib->length_dw++] = SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_CONST_FILL); 1591 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1592 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1593 ib->ptr[ib->length_dw++] = src_data; 1594 ib->ptr[ib->length_dw++] = byte_count - 1; 1595 } 1596 1597 static const struct amdgpu_buffer_funcs sdma_v7_0_buffer_funcs = { 1598 .copy_max_bytes = 0x400000, 1599 .copy_num_dw = 7, 1600 .emit_copy_buffer = sdma_v7_0_emit_copy_buffer, 1601 1602 .fill_max_bytes = 0x400000, 1603 .fill_num_dw = 5, 1604 .emit_fill_buffer = sdma_v7_0_emit_fill_buffer, 1605 }; 1606 1607 static void sdma_v7_0_set_buffer_funcs(struct amdgpu_device *adev) 1608 { 1609 adev->mman.buffer_funcs = &sdma_v7_0_buffer_funcs; 1610 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring; 1611 } 1612 1613 static const struct amdgpu_vm_pte_funcs sdma_v7_0_vm_pte_funcs = { 1614 .copy_pte_num_dw = 7, 1615 .copy_pte = sdma_v7_0_vm_copy_pte, 1616 .write_pte = sdma_v7_0_vm_write_pte, 1617 .set_pte_pde = sdma_v7_0_vm_set_pte_pde, 1618 }; 1619 1620 static void sdma_v7_0_set_vm_pte_funcs(struct amdgpu_device *adev) 1621 { 1622 unsigned i; 1623 1624 adev->vm_manager.vm_pte_funcs = &sdma_v7_0_vm_pte_funcs; 1625 for (i = 0; i < adev->sdma.num_instances; i++) { 1626 adev->vm_manager.vm_pte_scheds[i] = 1627 &adev->sdma.instance[i].ring.sched; 1628 } 1629 adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances; 1630 } 1631 1632 const struct amdgpu_ip_block_version sdma_v7_0_ip_block = { 1633 .type = AMD_IP_BLOCK_TYPE_SDMA, 1634 .major = 7, 1635 .minor = 0, 1636 .rev = 0, 1637 .funcs = &sdma_v7_0_ip_funcs, 1638 }; 1639