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1/*
2 * Copyright 2022 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#include <linux/delay.h>
25#include <linux/firmware.h>
26#include <linux/module.h>
27#include <linux/pci.h>
28
29#include "amdgpu.h"
30#include "amdgpu_xcp.h"
31#include "amdgpu_ucode.h"
32#include "amdgpu_trace.h"
33
34#include "sdma/sdma_4_4_2_offset.h"
35#include "sdma/sdma_4_4_2_sh_mask.h"
36
37#include "soc15_common.h"
38#include "soc15.h"
39#include "vega10_sdma_pkt_open.h"
40
41#include "ivsrcid/sdma0/irqsrcs_sdma0_4_0.h"
42#include "ivsrcid/sdma1/irqsrcs_sdma1_4_0.h"
43
44#include "amdgpu_ras.h"
45
46MODULE_FIRMWARE("amdgpu/sdma_4_4_2.bin");
47
48#define WREG32_SDMA(instance, offset, value) \
49 WREG32(sdma_v4_4_2_get_reg_offset(adev, (instance), (offset)), value)
50#define RREG32_SDMA(instance, offset) \
51 RREG32(sdma_v4_4_2_get_reg_offset(adev, (instance), (offset)))
52
53static void sdma_v4_4_2_set_ring_funcs(struct amdgpu_device *adev);
54static void sdma_v4_4_2_set_buffer_funcs(struct amdgpu_device *adev);
55static void sdma_v4_4_2_set_vm_pte_funcs(struct amdgpu_device *adev);
56static void sdma_v4_4_2_set_irq_funcs(struct amdgpu_device *adev);
57static void sdma_v4_4_2_set_ras_funcs(struct amdgpu_device *adev);
58
59static u32 sdma_v4_4_2_get_reg_offset(struct amdgpu_device *adev,
60 u32 instance, u32 offset)
61{
62 u32 dev_inst = GET_INST(SDMA0, instance);
63
64 return (adev->reg_offset[SDMA0_HWIP][dev_inst][0] + offset);
65}
66
67static unsigned sdma_v4_4_2_seq_to_irq_id(int seq_num)
68{
69 switch (seq_num) {
70 case 0:
71 return SOC15_IH_CLIENTID_SDMA0;
72 case 1:
73 return SOC15_IH_CLIENTID_SDMA1;
74 case 2:
75 return SOC15_IH_CLIENTID_SDMA2;
76 case 3:
77 return SOC15_IH_CLIENTID_SDMA3;
78 default:
79 return -EINVAL;
80 }
81}
82
83static int sdma_v4_4_2_irq_id_to_seq(unsigned client_id)
84{
85 switch (client_id) {
86 case SOC15_IH_CLIENTID_SDMA0:
87 return 0;
88 case SOC15_IH_CLIENTID_SDMA1:
89 return 1;
90 case SOC15_IH_CLIENTID_SDMA2:
91 return 2;
92 case SOC15_IH_CLIENTID_SDMA3:
93 return 3;
94 default:
95 return -EINVAL;
96 }
97}
98
99static void sdma_v4_4_2_inst_init_golden_registers(struct amdgpu_device *adev,
100 uint32_t inst_mask)
101{
102 u32 val;
103 int i;
104
105 for (i = 0; i < adev->sdma.num_instances; i++) {
106 val = RREG32_SDMA(i, regSDMA_GB_ADDR_CONFIG);
107 val = REG_SET_FIELD(val, SDMA_GB_ADDR_CONFIG, NUM_BANKS, 4);
108 val = REG_SET_FIELD(val, SDMA_GB_ADDR_CONFIG,
109 PIPE_INTERLEAVE_SIZE, 0);
110 WREG32_SDMA(i, regSDMA_GB_ADDR_CONFIG, val);
111
112 val = RREG32_SDMA(i, regSDMA_GB_ADDR_CONFIG_READ);
113 val = REG_SET_FIELD(val, SDMA_GB_ADDR_CONFIG_READ, NUM_BANKS,
114 4);
115 val = REG_SET_FIELD(val, SDMA_GB_ADDR_CONFIG_READ,
116 PIPE_INTERLEAVE_SIZE, 0);
117 WREG32_SDMA(i, regSDMA_GB_ADDR_CONFIG_READ, val);
118 }
119}
120
121/**
122 * sdma_v4_4_2_init_microcode - load ucode images from disk
123 *
124 * @adev: amdgpu_device pointer
125 *
126 * Use the firmware interface to load the ucode images into
127 * the driver (not loaded into hw).
128 * Returns 0 on success, error on failure.
129 */
130static int sdma_v4_4_2_init_microcode(struct amdgpu_device *adev)
131{
132 int ret, i;
133
134 for (i = 0; i < adev->sdma.num_instances; i++) {
135 if (amdgpu_ip_version(adev, SDMA0_HWIP, 0) ==
136 IP_VERSION(4, 4, 2)) {
137 ret = amdgpu_sdma_init_microcode(adev, 0, true);
138 break;
139 } else {
140 ret = amdgpu_sdma_init_microcode(adev, i, false);
141 if (ret)
142 return ret;
143 }
144 }
145
146 return ret;
147}
148
149/**
150 * sdma_v4_4_2_ring_get_rptr - get the current read pointer
151 *
152 * @ring: amdgpu ring pointer
153 *
154 * Get the current rptr from the hardware.
155 */
156static uint64_t sdma_v4_4_2_ring_get_rptr(struct amdgpu_ring *ring)
157{
158 u64 rptr;
159
160 /* XXX check if swapping is necessary on BE */
161 rptr = READ_ONCE(*((u64 *)&ring->adev->wb.wb[ring->rptr_offs]));
162
163 DRM_DEBUG("rptr before shift == 0x%016llx\n", rptr);
164 return rptr >> 2;
165}
166
167/**
168 * sdma_v4_4_2_ring_get_wptr - get the current write pointer
169 *
170 * @ring: amdgpu ring pointer
171 *
172 * Get the current wptr from the hardware.
173 */
174static uint64_t sdma_v4_4_2_ring_get_wptr(struct amdgpu_ring *ring)
175{
176 struct amdgpu_device *adev = ring->adev;
177 u64 wptr;
178
179 if (ring->use_doorbell) {
180 /* XXX check if swapping is necessary on BE */
181 wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs]));
182 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr);
183 } else {
184 wptr = RREG32_SDMA(ring->me, regSDMA_GFX_RB_WPTR_HI);
185 wptr = wptr << 32;
186 wptr |= RREG32_SDMA(ring->me, regSDMA_GFX_RB_WPTR);
187 DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n",
188 ring->me, wptr);
189 }
190
191 return wptr >> 2;
192}
193
194/**
195 * sdma_v4_4_2_ring_set_wptr - commit the write pointer
196 *
197 * @ring: amdgpu ring pointer
198 *
199 * Write the wptr back to the hardware.
200 */
201static void sdma_v4_4_2_ring_set_wptr(struct amdgpu_ring *ring)
202{
203 struct amdgpu_device *adev = ring->adev;
204
205 DRM_DEBUG("Setting write pointer\n");
206 if (ring->use_doorbell) {
207 u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs];
208
209 DRM_DEBUG("Using doorbell -- "
210 "wptr_offs == 0x%08x "
211 "lower_32_bits(ring->wptr) << 2 == 0x%08x "
212 "upper_32_bits(ring->wptr) << 2 == 0x%08x\n",
213 ring->wptr_offs,
214 lower_32_bits(ring->wptr << 2),
215 upper_32_bits(ring->wptr << 2));
216 /* XXX check if swapping is necessary on BE */
217 WRITE_ONCE(*wb, (ring->wptr << 2));
218 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
219 ring->doorbell_index, ring->wptr << 2);
220 WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
221 } else {
222 DRM_DEBUG("Not using doorbell -- "
223 "regSDMA%i_GFX_RB_WPTR == 0x%08x "
224 "regSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
225 ring->me,
226 lower_32_bits(ring->wptr << 2),
227 ring->me,
228 upper_32_bits(ring->wptr << 2));
229 WREG32_SDMA(ring->me, regSDMA_GFX_RB_WPTR,
230 lower_32_bits(ring->wptr << 2));
231 WREG32_SDMA(ring->me, regSDMA_GFX_RB_WPTR_HI,
232 upper_32_bits(ring->wptr << 2));
233 }
234}
235
236/**
237 * sdma_v4_4_2_page_ring_get_wptr - get the current write pointer
238 *
239 * @ring: amdgpu ring pointer
240 *
241 * Get the current wptr from the hardware.
242 */
243static uint64_t sdma_v4_4_2_page_ring_get_wptr(struct amdgpu_ring *ring)
244{
245 struct amdgpu_device *adev = ring->adev;
246 u64 wptr;
247
248 if (ring->use_doorbell) {
249 /* XXX check if swapping is necessary on BE */
250 wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs]));
251 } else {
252 wptr = RREG32_SDMA(ring->me, regSDMA_PAGE_RB_WPTR_HI);
253 wptr = wptr << 32;
254 wptr |= RREG32_SDMA(ring->me, regSDMA_PAGE_RB_WPTR);
255 }
256
257 return wptr >> 2;
258}
259
260/**
261 * sdma_v4_4_2_page_ring_set_wptr - commit the write pointer
262 *
263 * @ring: amdgpu ring pointer
264 *
265 * Write the wptr back to the hardware.
266 */
267static void sdma_v4_4_2_page_ring_set_wptr(struct amdgpu_ring *ring)
268{
269 struct amdgpu_device *adev = ring->adev;
270
271 if (ring->use_doorbell) {
272 u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs];
273
274 /* XXX check if swapping is necessary on BE */
275 WRITE_ONCE(*wb, (ring->wptr << 2));
276 WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
277 } else {
278 uint64_t wptr = ring->wptr << 2;
279
280 WREG32_SDMA(ring->me, regSDMA_PAGE_RB_WPTR,
281 lower_32_bits(wptr));
282 WREG32_SDMA(ring->me, regSDMA_PAGE_RB_WPTR_HI,
283 upper_32_bits(wptr));
284 }
285}
286
287static void sdma_v4_4_2_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
288{
289 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
290 int i;
291
292 for (i = 0; i < count; i++)
293 if (sdma && sdma->burst_nop && (i == 0))
294 amdgpu_ring_write(ring, ring->funcs->nop |
295 SDMA_PKT_NOP_HEADER_COUNT(count - 1));
296 else
297 amdgpu_ring_write(ring, ring->funcs->nop);
298}
299
300/**
301 * sdma_v4_4_2_ring_emit_ib - Schedule an IB on the DMA engine
302 *
303 * @ring: amdgpu ring pointer
304 * @job: job to retrieve vmid from
305 * @ib: IB object to schedule
306 * @flags: unused
307 *
308 * Schedule an IB in the DMA ring.
309 */
310static void sdma_v4_4_2_ring_emit_ib(struct amdgpu_ring *ring,
311 struct amdgpu_job *job,
312 struct amdgpu_ib *ib,
313 uint32_t flags)
314{
315 unsigned vmid = AMDGPU_JOB_GET_VMID(job);
316
317 /* IB packet must end on a 8 DW boundary */
318 sdma_v4_4_2_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7);
319
320 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) |
321 SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf));
322 /* base must be 32 byte aligned */
323 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0);
324 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
325 amdgpu_ring_write(ring, ib->length_dw);
326 amdgpu_ring_write(ring, 0);
327 amdgpu_ring_write(ring, 0);
328
329}
330
331static void sdma_v4_4_2_wait_reg_mem(struct amdgpu_ring *ring,
332 int mem_space, int hdp,
333 uint32_t addr0, uint32_t addr1,
334 uint32_t ref, uint32_t mask,
335 uint32_t inv)
336{
337 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
338 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(hdp) |
339 SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(mem_space) |
340 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */
341 if (mem_space) {
342 /* memory */
343 amdgpu_ring_write(ring, addr0);
344 amdgpu_ring_write(ring, addr1);
345 } else {
346 /* registers */
347 amdgpu_ring_write(ring, addr0 << 2);
348 amdgpu_ring_write(ring, addr1 << 2);
349 }
350 amdgpu_ring_write(ring, ref); /* reference */
351 amdgpu_ring_write(ring, mask); /* mask */
352 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
353 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(inv)); /* retry count, poll interval */
354}
355
356/**
357 * sdma_v4_4_2_ring_emit_hdp_flush - emit an hdp flush on the DMA ring
358 *
359 * @ring: amdgpu ring pointer
360 *
361 * Emit an hdp flush packet on the requested DMA ring.
362 */
363static void sdma_v4_4_2_ring_emit_hdp_flush(struct amdgpu_ring *ring)
364{
365 struct amdgpu_device *adev = ring->adev;
366 u32 ref_and_mask = 0;
367 const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg;
368
369 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0 << ring->me;
370
371 sdma_v4_4_2_wait_reg_mem(ring, 0, 1,
372 adev->nbio.funcs->get_hdp_flush_done_offset(adev),
373 adev->nbio.funcs->get_hdp_flush_req_offset(adev),
374 ref_and_mask, ref_and_mask, 10);
375}
376
377/**
378 * sdma_v4_4_2_ring_emit_fence - emit a fence on the DMA ring
379 *
380 * @ring: amdgpu ring pointer
381 * @addr: address
382 * @seq: sequence number
383 * @flags: fence related flags
384 *
385 * Add a DMA fence packet to the ring to write
386 * the fence seq number and DMA trap packet to generate
387 * an interrupt if needed.
388 */
389static void sdma_v4_4_2_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
390 unsigned flags)
391{
392 bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
393 /* write the fence */
394 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE));
395 /* zero in first two bits */
396 BUG_ON(addr & 0x3);
397 amdgpu_ring_write(ring, lower_32_bits(addr));
398 amdgpu_ring_write(ring, upper_32_bits(addr));
399 amdgpu_ring_write(ring, lower_32_bits(seq));
400
401 /* optionally write high bits as well */
402 if (write64bit) {
403 addr += 4;
404 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE));
405 /* zero in first two bits */
406 BUG_ON(addr & 0x3);
407 amdgpu_ring_write(ring, lower_32_bits(addr));
408 amdgpu_ring_write(ring, upper_32_bits(addr));
409 amdgpu_ring_write(ring, upper_32_bits(seq));
410 }
411
412 /* generate an interrupt */
413 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP));
414 amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0));
415}
416
417
418/**
419 * sdma_v4_4_2_inst_gfx_stop - stop the gfx async dma engines
420 *
421 * @adev: amdgpu_device pointer
422 * @inst_mask: mask of dma engine instances to be disabled
423 *
424 * Stop the gfx async dma ring buffers.
425 */
426static void sdma_v4_4_2_inst_gfx_stop(struct amdgpu_device *adev,
427 uint32_t inst_mask)
428{
429 struct amdgpu_ring *sdma[AMDGPU_MAX_SDMA_INSTANCES];
430 u32 doorbell_offset, doorbell;
431 u32 rb_cntl, ib_cntl;
432 int i, unset = 0;
433
434 for_each_inst(i, inst_mask) {
435 sdma[i] = &adev->sdma.instance[i].ring;
436
437 if ((adev->mman.buffer_funcs_ring == sdma[i]) && unset != 1) {
438 amdgpu_ttm_set_buffer_funcs_status(adev, false);
439 unset = 1;
440 }
441
442 rb_cntl = RREG32_SDMA(i, regSDMA_GFX_RB_CNTL);
443 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, RB_ENABLE, 0);
444 WREG32_SDMA(i, regSDMA_GFX_RB_CNTL, rb_cntl);
445 ib_cntl = RREG32_SDMA(i, regSDMA_GFX_IB_CNTL);
446 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_GFX_IB_CNTL, IB_ENABLE, 0);
447 WREG32_SDMA(i, regSDMA_GFX_IB_CNTL, ib_cntl);
448
449 if (sdma[i]->use_doorbell) {
450 doorbell = RREG32_SDMA(i, regSDMA_GFX_DOORBELL);
451 doorbell_offset = RREG32_SDMA(i, regSDMA_GFX_DOORBELL_OFFSET);
452
453 doorbell = REG_SET_FIELD(doorbell, SDMA_GFX_DOORBELL, ENABLE, 0);
454 doorbell_offset = REG_SET_FIELD(doorbell_offset,
455 SDMA_GFX_DOORBELL_OFFSET,
456 OFFSET, 0);
457 WREG32_SDMA(i, regSDMA_GFX_DOORBELL, doorbell);
458 WREG32_SDMA(i, regSDMA_GFX_DOORBELL_OFFSET, doorbell_offset);
459 }
460 }
461}
462
463/**
464 * sdma_v4_4_2_inst_rlc_stop - stop the compute async dma engines
465 *
466 * @adev: amdgpu_device pointer
467 * @inst_mask: mask of dma engine instances to be disabled
468 *
469 * Stop the compute async dma queues.
470 */
471static void sdma_v4_4_2_inst_rlc_stop(struct amdgpu_device *adev,
472 uint32_t inst_mask)
473{
474 /* XXX todo */
475}
476
477/**
478 * sdma_v4_4_2_inst_page_stop - stop the page async dma engines
479 *
480 * @adev: amdgpu_device pointer
481 * @inst_mask: mask of dma engine instances to be disabled
482 *
483 * Stop the page async dma ring buffers.
484 */
485static void sdma_v4_4_2_inst_page_stop(struct amdgpu_device *adev,
486 uint32_t inst_mask)
487{
488 struct amdgpu_ring *sdma[AMDGPU_MAX_SDMA_INSTANCES];
489 u32 rb_cntl, ib_cntl;
490 int i;
491 bool unset = false;
492
493 for_each_inst(i, inst_mask) {
494 sdma[i] = &adev->sdma.instance[i].page;
495
496 if ((adev->mman.buffer_funcs_ring == sdma[i]) &&
497 (!unset)) {
498 amdgpu_ttm_set_buffer_funcs_status(adev, false);
499 unset = true;
500 }
501
502 rb_cntl = RREG32_SDMA(i, regSDMA_PAGE_RB_CNTL);
503 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_PAGE_RB_CNTL,
504 RB_ENABLE, 0);
505 WREG32_SDMA(i, regSDMA_PAGE_RB_CNTL, rb_cntl);
506 ib_cntl = RREG32_SDMA(i, regSDMA_PAGE_IB_CNTL);
507 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_PAGE_IB_CNTL,
508 IB_ENABLE, 0);
509 WREG32_SDMA(i, regSDMA_PAGE_IB_CNTL, ib_cntl);
510 }
511}
512
513/**
514 * sdma_v4_4_2_inst_ctx_switch_enable - stop the async dma engines context switch
515 *
516 * @adev: amdgpu_device pointer
517 * @enable: enable/disable the DMA MEs context switch.
518 * @inst_mask: mask of dma engine instances to be enabled
519 *
520 * Halt or unhalt the async dma engines context switch.
521 */
522static void sdma_v4_4_2_inst_ctx_switch_enable(struct amdgpu_device *adev,
523 bool enable, uint32_t inst_mask)
524{
525 u32 f32_cntl, phase_quantum = 0;
526 int i;
527
528 if (amdgpu_sdma_phase_quantum) {
529 unsigned value = amdgpu_sdma_phase_quantum;
530 unsigned unit = 0;
531
532 while (value > (SDMA_PHASE0_QUANTUM__VALUE_MASK >>
533 SDMA_PHASE0_QUANTUM__VALUE__SHIFT)) {
534 value = (value + 1) >> 1;
535 unit++;
536 }
537 if (unit > (SDMA_PHASE0_QUANTUM__UNIT_MASK >>
538 SDMA_PHASE0_QUANTUM__UNIT__SHIFT)) {
539 value = (SDMA_PHASE0_QUANTUM__VALUE_MASK >>
540 SDMA_PHASE0_QUANTUM__VALUE__SHIFT);
541 unit = (SDMA_PHASE0_QUANTUM__UNIT_MASK >>
542 SDMA_PHASE0_QUANTUM__UNIT__SHIFT);
543 WARN_ONCE(1,
544 "clamping sdma_phase_quantum to %uK clock cycles\n",
545 value << unit);
546 }
547 phase_quantum =
548 value << SDMA_PHASE0_QUANTUM__VALUE__SHIFT |
549 unit << SDMA_PHASE0_QUANTUM__UNIT__SHIFT;
550 }
551
552 for_each_inst(i, inst_mask) {
553 f32_cntl = RREG32_SDMA(i, regSDMA_CNTL);
554 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA_CNTL,
555 AUTO_CTXSW_ENABLE, enable ? 1 : 0);
556 if (enable && amdgpu_sdma_phase_quantum) {
557 WREG32_SDMA(i, regSDMA_PHASE0_QUANTUM, phase_quantum);
558 WREG32_SDMA(i, regSDMA_PHASE1_QUANTUM, phase_quantum);
559 WREG32_SDMA(i, regSDMA_PHASE2_QUANTUM, phase_quantum);
560 }
561 WREG32_SDMA(i, regSDMA_CNTL, f32_cntl);
562
563 /* Extend page fault timeout to avoid interrupt storm */
564 WREG32_SDMA(i, regSDMA_UTCL1_TIMEOUT, 0x00800080);
565 }
566}
567
568/**
569 * sdma_v4_4_2_inst_enable - stop the async dma engines
570 *
571 * @adev: amdgpu_device pointer
572 * @enable: enable/disable the DMA MEs.
573 * @inst_mask: mask of dma engine instances to be enabled
574 *
575 * Halt or unhalt the async dma engines.
576 */
577static void sdma_v4_4_2_inst_enable(struct amdgpu_device *adev, bool enable,
578 uint32_t inst_mask)
579{
580 u32 f32_cntl;
581 int i;
582
583 if (!enable) {
584 sdma_v4_4_2_inst_gfx_stop(adev, inst_mask);
585 sdma_v4_4_2_inst_rlc_stop(adev, inst_mask);
586 if (adev->sdma.has_page_queue)
587 sdma_v4_4_2_inst_page_stop(adev, inst_mask);
588
589 /* SDMA FW needs to respond to FREEZE requests during reset.
590 * Keep it running during reset */
591 if (!amdgpu_sriov_vf(adev) && amdgpu_in_reset(adev))
592 return;
593 }
594
595 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
596 return;
597
598 for_each_inst(i, inst_mask) {
599 f32_cntl = RREG32_SDMA(i, regSDMA_F32_CNTL);
600 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA_F32_CNTL, HALT, enable ? 0 : 1);
601 WREG32_SDMA(i, regSDMA_F32_CNTL, f32_cntl);
602 }
603}
604
605/*
606 * sdma_v4_4_2_rb_cntl - get parameters for rb_cntl
607 */
608static uint32_t sdma_v4_4_2_rb_cntl(struct amdgpu_ring *ring, uint32_t rb_cntl)
609{
610 /* Set ring buffer size in dwords */
611 uint32_t rb_bufsz = order_base_2(ring->ring_size / 4);
612
613 barrier(); /* work around https://bugs.llvm.org/show_bug.cgi?id=42576 */
614 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, RB_SIZE, rb_bufsz);
615#ifdef __BIG_ENDIAN
616 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, RB_SWAP_ENABLE, 1);
617 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL,
618 RPTR_WRITEBACK_SWAP_ENABLE, 1);
619#endif
620 return rb_cntl;
621}
622
623/**
624 * sdma_v4_4_2_gfx_resume - setup and start the async dma engines
625 *
626 * @adev: amdgpu_device pointer
627 * @i: instance to resume
628 *
629 * Set up the gfx DMA ring buffers and enable them.
630 * Returns 0 for success, error for failure.
631 */
632static void sdma_v4_4_2_gfx_resume(struct amdgpu_device *adev, unsigned int i)
633{
634 struct amdgpu_ring *ring = &adev->sdma.instance[i].ring;
635 u32 rb_cntl, ib_cntl, wptr_poll_cntl;
636 u32 wb_offset;
637 u32 doorbell;
638 u32 doorbell_offset;
639 u64 wptr_gpu_addr;
640
641 wb_offset = (ring->rptr_offs * 4);
642
643 rb_cntl = RREG32_SDMA(i, regSDMA_GFX_RB_CNTL);
644 rb_cntl = sdma_v4_4_2_rb_cntl(ring, rb_cntl);
645 WREG32_SDMA(i, regSDMA_GFX_RB_CNTL, rb_cntl);
646
647 /* set the wb address whether it's enabled or not */
648 WREG32_SDMA(i, regSDMA_GFX_RB_RPTR_ADDR_HI,
649 upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF);
650 WREG32_SDMA(i, regSDMA_GFX_RB_RPTR_ADDR_LO,
651 lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC);
652
653 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL,
654 RPTR_WRITEBACK_ENABLE, 1);
655
656 WREG32_SDMA(i, regSDMA_GFX_RB_BASE, ring->gpu_addr >> 8);
657 WREG32_SDMA(i, regSDMA_GFX_RB_BASE_HI, ring->gpu_addr >> 40);
658
659 ring->wptr = 0;
660
661 /* before programing wptr to a less value, need set minor_ptr_update first */
662 WREG32_SDMA(i, regSDMA_GFX_MINOR_PTR_UPDATE, 1);
663
664 /* Initialize the ring buffer's read and write pointers */
665 WREG32_SDMA(i, regSDMA_GFX_RB_RPTR, 0);
666 WREG32_SDMA(i, regSDMA_GFX_RB_RPTR_HI, 0);
667 WREG32_SDMA(i, regSDMA_GFX_RB_WPTR, 0);
668 WREG32_SDMA(i, regSDMA_GFX_RB_WPTR_HI, 0);
669
670 doorbell = RREG32_SDMA(i, regSDMA_GFX_DOORBELL);
671 doorbell_offset = RREG32_SDMA(i, regSDMA_GFX_DOORBELL_OFFSET);
672
673 doorbell = REG_SET_FIELD(doorbell, SDMA_GFX_DOORBELL, ENABLE,
674 ring->use_doorbell);
675 doorbell_offset = REG_SET_FIELD(doorbell_offset,
676 SDMA_GFX_DOORBELL_OFFSET,
677 OFFSET, ring->doorbell_index);
678 WREG32_SDMA(i, regSDMA_GFX_DOORBELL, doorbell);
679 WREG32_SDMA(i, regSDMA_GFX_DOORBELL_OFFSET, doorbell_offset);
680
681 sdma_v4_4_2_ring_set_wptr(ring);
682
683 /* set minor_ptr_update to 0 after wptr programed */
684 WREG32_SDMA(i, regSDMA_GFX_MINOR_PTR_UPDATE, 0);
685
686 /* setup the wptr shadow polling */
687 wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
688 WREG32_SDMA(i, regSDMA_GFX_RB_WPTR_POLL_ADDR_LO,
689 lower_32_bits(wptr_gpu_addr));
690 WREG32_SDMA(i, regSDMA_GFX_RB_WPTR_POLL_ADDR_HI,
691 upper_32_bits(wptr_gpu_addr));
692 wptr_poll_cntl = RREG32_SDMA(i, regSDMA_GFX_RB_WPTR_POLL_CNTL);
693 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
694 SDMA_GFX_RB_WPTR_POLL_CNTL,
695 F32_POLL_ENABLE, amdgpu_sriov_vf(adev)? 1 : 0);
696 WREG32_SDMA(i, regSDMA_GFX_RB_WPTR_POLL_CNTL, wptr_poll_cntl);
697
698 /* enable DMA RB */
699 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, RB_ENABLE, 1);
700 WREG32_SDMA(i, regSDMA_GFX_RB_CNTL, rb_cntl);
701
702 ib_cntl = RREG32_SDMA(i, regSDMA_GFX_IB_CNTL);
703 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_GFX_IB_CNTL, IB_ENABLE, 1);
704#ifdef __BIG_ENDIAN
705 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_GFX_IB_CNTL, IB_SWAP_ENABLE, 1);
706#endif
707 /* enable DMA IBs */
708 WREG32_SDMA(i, regSDMA_GFX_IB_CNTL, ib_cntl);
709}
710
711/**
712 * sdma_v4_4_2_page_resume - setup and start the async dma engines
713 *
714 * @adev: amdgpu_device pointer
715 * @i: instance to resume
716 *
717 * Set up the page DMA ring buffers and enable them.
718 * Returns 0 for success, error for failure.
719 */
720static void sdma_v4_4_2_page_resume(struct amdgpu_device *adev, unsigned int i)
721{
722 struct amdgpu_ring *ring = &adev->sdma.instance[i].page;
723 u32 rb_cntl, ib_cntl, wptr_poll_cntl;
724 u32 wb_offset;
725 u32 doorbell;
726 u32 doorbell_offset;
727 u64 wptr_gpu_addr;
728
729 wb_offset = (ring->rptr_offs * 4);
730
731 rb_cntl = RREG32_SDMA(i, regSDMA_PAGE_RB_CNTL);
732 rb_cntl = sdma_v4_4_2_rb_cntl(ring, rb_cntl);
733 WREG32_SDMA(i, regSDMA_PAGE_RB_CNTL, rb_cntl);
734
735 /* Initialize the ring buffer's read and write pointers */
736 WREG32_SDMA(i, regSDMA_PAGE_RB_RPTR, 0);
737 WREG32_SDMA(i, regSDMA_PAGE_RB_RPTR_HI, 0);
738 WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR, 0);
739 WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_HI, 0);
740
741 /* set the wb address whether it's enabled or not */
742 WREG32_SDMA(i, regSDMA_PAGE_RB_RPTR_ADDR_HI,
743 upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF);
744 WREG32_SDMA(i, regSDMA_PAGE_RB_RPTR_ADDR_LO,
745 lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC);
746
747 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_PAGE_RB_CNTL,
748 RPTR_WRITEBACK_ENABLE, 1);
749
750 WREG32_SDMA(i, regSDMA_PAGE_RB_BASE, ring->gpu_addr >> 8);
751 WREG32_SDMA(i, regSDMA_PAGE_RB_BASE_HI, ring->gpu_addr >> 40);
752
753 ring->wptr = 0;
754
755 /* before programing wptr to a less value, need set minor_ptr_update first */
756 WREG32_SDMA(i, regSDMA_PAGE_MINOR_PTR_UPDATE, 1);
757
758 doorbell = RREG32_SDMA(i, regSDMA_PAGE_DOORBELL);
759 doorbell_offset = RREG32_SDMA(i, regSDMA_PAGE_DOORBELL_OFFSET);
760
761 doorbell = REG_SET_FIELD(doorbell, SDMA_PAGE_DOORBELL, ENABLE,
762 ring->use_doorbell);
763 doorbell_offset = REG_SET_FIELD(doorbell_offset,
764 SDMA_PAGE_DOORBELL_OFFSET,
765 OFFSET, ring->doorbell_index);
766 WREG32_SDMA(i, regSDMA_PAGE_DOORBELL, doorbell);
767 WREG32_SDMA(i, regSDMA_PAGE_DOORBELL_OFFSET, doorbell_offset);
768
769 /* paging queue doorbell range is setup at sdma_v4_4_2_gfx_resume */
770 sdma_v4_4_2_page_ring_set_wptr(ring);
771
772 /* set minor_ptr_update to 0 after wptr programed */
773 WREG32_SDMA(i, regSDMA_PAGE_MINOR_PTR_UPDATE, 0);
774
775 /* setup the wptr shadow polling */
776 wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
777 WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_POLL_ADDR_LO,
778 lower_32_bits(wptr_gpu_addr));
779 WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_POLL_ADDR_HI,
780 upper_32_bits(wptr_gpu_addr));
781 wptr_poll_cntl = RREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_POLL_CNTL);
782 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
783 SDMA_PAGE_RB_WPTR_POLL_CNTL,
784 F32_POLL_ENABLE, amdgpu_sriov_vf(adev)? 1 : 0);
785 WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_POLL_CNTL, wptr_poll_cntl);
786
787 /* enable DMA RB */
788 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_PAGE_RB_CNTL, RB_ENABLE, 1);
789 WREG32_SDMA(i, regSDMA_PAGE_RB_CNTL, rb_cntl);
790
791 ib_cntl = RREG32_SDMA(i, regSDMA_PAGE_IB_CNTL);
792 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_PAGE_IB_CNTL, IB_ENABLE, 1);
793#ifdef __BIG_ENDIAN
794 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_PAGE_IB_CNTL, IB_SWAP_ENABLE, 1);
795#endif
796 /* enable DMA IBs */
797 WREG32_SDMA(i, regSDMA_PAGE_IB_CNTL, ib_cntl);
798}
799
800static void sdma_v4_4_2_init_pg(struct amdgpu_device *adev)
801{
802
803}
804
805/**
806 * sdma_v4_4_2_inst_rlc_resume - setup and start the async dma engines
807 *
808 * @adev: amdgpu_device pointer
809 * @inst_mask: mask of dma engine instances to be enabled
810 *
811 * Set up the compute DMA queues and enable them.
812 * Returns 0 for success, error for failure.
813 */
814static int sdma_v4_4_2_inst_rlc_resume(struct amdgpu_device *adev,
815 uint32_t inst_mask)
816{
817 sdma_v4_4_2_init_pg(adev);
818
819 return 0;
820}
821
822/**
823 * sdma_v4_4_2_inst_load_microcode - load the sDMA ME ucode
824 *
825 * @adev: amdgpu_device pointer
826 * @inst_mask: mask of dma engine instances to be enabled
827 *
828 * Loads the sDMA0/1 ucode.
829 * Returns 0 for success, -EINVAL if the ucode is not available.
830 */
831static int sdma_v4_4_2_inst_load_microcode(struct amdgpu_device *adev,
832 uint32_t inst_mask)
833{
834 const struct sdma_firmware_header_v1_0 *hdr;
835 const __le32 *fw_data;
836 u32 fw_size;
837 int i, j;
838
839 /* halt the MEs */
840 sdma_v4_4_2_inst_enable(adev, false, inst_mask);
841
842 for_each_inst(i, inst_mask) {
843 if (!adev->sdma.instance[i].fw)
844 return -EINVAL;
845
846 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
847 amdgpu_ucode_print_sdma_hdr(&hdr->header);
848 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
849
850 fw_data = (const __le32 *)
851 (adev->sdma.instance[i].fw->data +
852 le32_to_cpu(hdr->header.ucode_array_offset_bytes));
853
854 WREG32_SDMA(i, regSDMA_UCODE_ADDR, 0);
855
856 for (j = 0; j < fw_size; j++)
857 WREG32_SDMA(i, regSDMA_UCODE_DATA,
858 le32_to_cpup(fw_data++));
859
860 WREG32_SDMA(i, regSDMA_UCODE_ADDR,
861 adev->sdma.instance[i].fw_version);
862 }
863
864 return 0;
865}
866
867/**
868 * sdma_v4_4_2_inst_start - setup and start the async dma engines
869 *
870 * @adev: amdgpu_device pointer
871 * @inst_mask: mask of dma engine instances to be enabled
872 *
873 * Set up the DMA engines and enable them.
874 * Returns 0 for success, error for failure.
875 */
876static int sdma_v4_4_2_inst_start(struct amdgpu_device *adev,
877 uint32_t inst_mask)
878{
879 struct amdgpu_ring *ring;
880 uint32_t tmp_mask;
881 int i, r = 0;
882
883 if (amdgpu_sriov_vf(adev)) {
884 sdma_v4_4_2_inst_ctx_switch_enable(adev, false, inst_mask);
885 sdma_v4_4_2_inst_enable(adev, false, inst_mask);
886 } else {
887 /* bypass sdma microcode loading on Gopher */
888 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP &&
889 adev->sdma.instance[0].fw) {
890 r = sdma_v4_4_2_inst_load_microcode(adev, inst_mask);
891 if (r)
892 return r;
893 }
894
895 /* unhalt the MEs */
896 sdma_v4_4_2_inst_enable(adev, true, inst_mask);
897 /* enable sdma ring preemption */
898 sdma_v4_4_2_inst_ctx_switch_enable(adev, true, inst_mask);
899 }
900
901 /* start the gfx rings and rlc compute queues */
902 tmp_mask = inst_mask;
903 for_each_inst(i, tmp_mask) {
904 uint32_t temp;
905
906 WREG32_SDMA(i, regSDMA_SEM_WAIT_FAIL_TIMER_CNTL, 0);
907 sdma_v4_4_2_gfx_resume(adev, i);
908 if (adev->sdma.has_page_queue)
909 sdma_v4_4_2_page_resume(adev, i);
910
911 /* set utc l1 enable flag always to 1 */
912 temp = RREG32_SDMA(i, regSDMA_CNTL);
913 temp = REG_SET_FIELD(temp, SDMA_CNTL, UTC_L1_ENABLE, 1);
914 /* enable context empty interrupt during initialization */
915 temp = REG_SET_FIELD(temp, SDMA_CNTL, CTXEMPTY_INT_ENABLE, 1);
916 WREG32_SDMA(i, regSDMA_CNTL, temp);
917
918 if (!amdgpu_sriov_vf(adev)) {
919 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
920 /* unhalt engine */
921 temp = RREG32_SDMA(i, regSDMA_F32_CNTL);
922 temp = REG_SET_FIELD(temp, SDMA_F32_CNTL, HALT, 0);
923 WREG32_SDMA(i, regSDMA_F32_CNTL, temp);
924 }
925 }
926 }
927
928 if (amdgpu_sriov_vf(adev)) {
929 sdma_v4_4_2_inst_ctx_switch_enable(adev, true, inst_mask);
930 sdma_v4_4_2_inst_enable(adev, true, inst_mask);
931 } else {
932 r = sdma_v4_4_2_inst_rlc_resume(adev, inst_mask);
933 if (r)
934 return r;
935 }
936
937 tmp_mask = inst_mask;
938 for_each_inst(i, tmp_mask) {
939 ring = &adev->sdma.instance[i].ring;
940
941 r = amdgpu_ring_test_helper(ring);
942 if (r)
943 return r;
944
945 if (adev->sdma.has_page_queue) {
946 struct amdgpu_ring *page = &adev->sdma.instance[i].page;
947
948 r = amdgpu_ring_test_helper(page);
949 if (r)
950 return r;
951
952 if (adev->mman.buffer_funcs_ring == page)
953 amdgpu_ttm_set_buffer_funcs_status(adev, true);
954 }
955
956 if (adev->mman.buffer_funcs_ring == ring)
957 amdgpu_ttm_set_buffer_funcs_status(adev, true);
958 }
959
960 return r;
961}
962
963/**
964 * sdma_v4_4_2_ring_test_ring - simple async dma engine test
965 *
966 * @ring: amdgpu_ring structure holding ring information
967 *
968 * Test the DMA engine by writing using it to write an
969 * value to memory.
970 * Returns 0 for success, error for failure.
971 */
972static int sdma_v4_4_2_ring_test_ring(struct amdgpu_ring *ring)
973{
974 struct amdgpu_device *adev = ring->adev;
975 unsigned i;
976 unsigned index;
977 int r;
978 u32 tmp;
979 u64 gpu_addr;
980
981 r = amdgpu_device_wb_get(adev, &index);
982 if (r)
983 return r;
984
985 gpu_addr = adev->wb.gpu_addr + (index * 4);
986 tmp = 0xCAFEDEAD;
987 adev->wb.wb[index] = cpu_to_le32(tmp);
988
989 r = amdgpu_ring_alloc(ring, 5);
990 if (r)
991 goto error_free_wb;
992
993 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
994 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR));
995 amdgpu_ring_write(ring, lower_32_bits(gpu_addr));
996 amdgpu_ring_write(ring, upper_32_bits(gpu_addr));
997 amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0));
998 amdgpu_ring_write(ring, 0xDEADBEEF);
999 amdgpu_ring_commit(ring);
1000
1001 for (i = 0; i < adev->usec_timeout; i++) {
1002 tmp = le32_to_cpu(adev->wb.wb[index]);
1003 if (tmp == 0xDEADBEEF)
1004 break;
1005 udelay(1);
1006 }
1007
1008 if (i >= adev->usec_timeout)
1009 r = -ETIMEDOUT;
1010
1011error_free_wb:
1012 amdgpu_device_wb_free(adev, index);
1013 return r;
1014}
1015
1016/**
1017 * sdma_v4_4_2_ring_test_ib - test an IB on the DMA engine
1018 *
1019 * @ring: amdgpu_ring structure holding ring information
1020 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
1021 *
1022 * Test a simple IB in the DMA ring.
1023 * Returns 0 on success, error on failure.
1024 */
1025static int sdma_v4_4_2_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1026{
1027 struct amdgpu_device *adev = ring->adev;
1028 struct amdgpu_ib ib;
1029 struct dma_fence *f = NULL;
1030 unsigned index;
1031 long r;
1032 u32 tmp = 0;
1033 u64 gpu_addr;
1034
1035 r = amdgpu_device_wb_get(adev, &index);
1036 if (r)
1037 return r;
1038
1039 gpu_addr = adev->wb.gpu_addr + (index * 4);
1040 tmp = 0xCAFEDEAD;
1041 adev->wb.wb[index] = cpu_to_le32(tmp);
1042 memset(&ib, 0, sizeof(ib));
1043 r = amdgpu_ib_get(adev, NULL, 256,
1044 AMDGPU_IB_POOL_DIRECT, &ib);
1045 if (r)
1046 goto err0;
1047
1048 ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1049 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1050 ib.ptr[1] = lower_32_bits(gpu_addr);
1051 ib.ptr[2] = upper_32_bits(gpu_addr);
1052 ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0);
1053 ib.ptr[4] = 0xDEADBEEF;
1054 ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1055 ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1056 ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1057 ib.length_dw = 8;
1058
1059 r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f);
1060 if (r)
1061 goto err1;
1062
1063 r = dma_fence_wait_timeout(f, false, timeout);
1064 if (r == 0) {
1065 r = -ETIMEDOUT;
1066 goto err1;
1067 } else if (r < 0) {
1068 goto err1;
1069 }
1070 tmp = le32_to_cpu(adev->wb.wb[index]);
1071 if (tmp == 0xDEADBEEF)
1072 r = 0;
1073 else
1074 r = -EINVAL;
1075
1076err1:
1077 amdgpu_ib_free(adev, &ib, NULL);
1078 dma_fence_put(f);
1079err0:
1080 amdgpu_device_wb_free(adev, index);
1081 return r;
1082}
1083
1084
1085/**
1086 * sdma_v4_4_2_vm_copy_pte - update PTEs by copying them from the GART
1087 *
1088 * @ib: indirect buffer to fill with commands
1089 * @pe: addr of the page entry
1090 * @src: src addr to copy from
1091 * @count: number of page entries to update
1092 *
1093 * Update PTEs by copying them from the GART using sDMA.
1094 */
1095static void sdma_v4_4_2_vm_copy_pte(struct amdgpu_ib *ib,
1096 uint64_t pe, uint64_t src,
1097 unsigned count)
1098{
1099 unsigned bytes = count * 8;
1100
1101 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
1102 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
1103 ib->ptr[ib->length_dw++] = bytes - 1;
1104 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1105 ib->ptr[ib->length_dw++] = lower_32_bits(src);
1106 ib->ptr[ib->length_dw++] = upper_32_bits(src);
1107 ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1108 ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1109
1110}
1111
1112/**
1113 * sdma_v4_4_2_vm_write_pte - update PTEs by writing them manually
1114 *
1115 * @ib: indirect buffer to fill with commands
1116 * @pe: addr of the page entry
1117 * @value: dst addr to write into pe
1118 * @count: number of page entries to update
1119 * @incr: increase next addr by incr bytes
1120 *
1121 * Update PTEs by writing them manually using sDMA.
1122 */
1123static void sdma_v4_4_2_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe,
1124 uint64_t value, unsigned count,
1125 uint32_t incr)
1126{
1127 unsigned ndw = count * 2;
1128
1129 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1130 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1131 ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1132 ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1133 ib->ptr[ib->length_dw++] = ndw - 1;
1134 for (; ndw > 0; ndw -= 2) {
1135 ib->ptr[ib->length_dw++] = lower_32_bits(value);
1136 ib->ptr[ib->length_dw++] = upper_32_bits(value);
1137 value += incr;
1138 }
1139}
1140
1141/**
1142 * sdma_v4_4_2_vm_set_pte_pde - update the page tables using sDMA
1143 *
1144 * @ib: indirect buffer to fill with commands
1145 * @pe: addr of the page entry
1146 * @addr: dst addr to write into pe
1147 * @count: number of page entries to update
1148 * @incr: increase next addr by incr bytes
1149 * @flags: access flags
1150 *
1151 * Update the page tables using sDMA.
1152 */
1153static void sdma_v4_4_2_vm_set_pte_pde(struct amdgpu_ib *ib,
1154 uint64_t pe,
1155 uint64_t addr, unsigned count,
1156 uint32_t incr, uint64_t flags)
1157{
1158 /* for physically contiguous pages (vram) */
1159 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE);
1160 ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */
1161 ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1162 ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */
1163 ib->ptr[ib->length_dw++] = upper_32_bits(flags);
1164 ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */
1165 ib->ptr[ib->length_dw++] = upper_32_bits(addr);
1166 ib->ptr[ib->length_dw++] = incr; /* increment size */
1167 ib->ptr[ib->length_dw++] = 0;
1168 ib->ptr[ib->length_dw++] = count - 1; /* number of entries */
1169}
1170
1171/**
1172 * sdma_v4_4_2_ring_pad_ib - pad the IB to the required number of dw
1173 *
1174 * @ring: amdgpu_ring structure holding ring information
1175 * @ib: indirect buffer to fill with padding
1176 */
1177static void sdma_v4_4_2_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
1178{
1179 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
1180 u32 pad_count;
1181 int i;
1182
1183 pad_count = (-ib->length_dw) & 7;
1184 for (i = 0; i < pad_count; i++)
1185 if (sdma && sdma->burst_nop && (i == 0))
1186 ib->ptr[ib->length_dw++] =
1187 SDMA_PKT_HEADER_OP(SDMA_OP_NOP) |
1188 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1);
1189 else
1190 ib->ptr[ib->length_dw++] =
1191 SDMA_PKT_HEADER_OP(SDMA_OP_NOP);
1192}
1193
1194
1195/**
1196 * sdma_v4_4_2_ring_emit_pipeline_sync - sync the pipeline
1197 *
1198 * @ring: amdgpu_ring pointer
1199 *
1200 * Make sure all previous operations are completed (CIK).
1201 */
1202static void sdma_v4_4_2_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
1203{
1204 uint32_t seq = ring->fence_drv.sync_seq;
1205 uint64_t addr = ring->fence_drv.gpu_addr;
1206
1207 /* wait for idle */
1208 sdma_v4_4_2_wait_reg_mem(ring, 1, 0,
1209 addr & 0xfffffffc,
1210 upper_32_bits(addr) & 0xffffffff,
1211 seq, 0xffffffff, 4);
1212}
1213
1214
1215/**
1216 * sdma_v4_4_2_ring_emit_vm_flush - vm flush using sDMA
1217 *
1218 * @ring: amdgpu_ring pointer
1219 * @vmid: vmid number to use
1220 * @pd_addr: address
1221 *
1222 * Update the page table base and flush the VM TLB
1223 * using sDMA.
1224 */
1225static void sdma_v4_4_2_ring_emit_vm_flush(struct amdgpu_ring *ring,
1226 unsigned vmid, uint64_t pd_addr)
1227{
1228 amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1229}
1230
1231static void sdma_v4_4_2_ring_emit_wreg(struct amdgpu_ring *ring,
1232 uint32_t reg, uint32_t val)
1233{
1234 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
1235 SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
1236 amdgpu_ring_write(ring, reg);
1237 amdgpu_ring_write(ring, val);
1238}
1239
1240static void sdma_v4_4_2_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1241 uint32_t val, uint32_t mask)
1242{
1243 sdma_v4_4_2_wait_reg_mem(ring, 0, 0, reg, 0, val, mask, 10);
1244}
1245
1246static bool sdma_v4_4_2_fw_support_paging_queue(struct amdgpu_device *adev)
1247{
1248 switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) {
1249 case IP_VERSION(4, 4, 2):
1250 return false;
1251 default:
1252 return false;
1253 }
1254}
1255
1256static int sdma_v4_4_2_early_init(void *handle)
1257{
1258 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1259 int r;
1260
1261 r = sdma_v4_4_2_init_microcode(adev);
1262 if (r)
1263 return r;
1264
1265 /* TODO: Page queue breaks driver reload under SRIOV */
1266 if (sdma_v4_4_2_fw_support_paging_queue(adev))
1267 adev->sdma.has_page_queue = true;
1268
1269 sdma_v4_4_2_set_ring_funcs(adev);
1270 sdma_v4_4_2_set_buffer_funcs(adev);
1271 sdma_v4_4_2_set_vm_pte_funcs(adev);
1272 sdma_v4_4_2_set_irq_funcs(adev);
1273 sdma_v4_4_2_set_ras_funcs(adev);
1274
1275 return 0;
1276}
1277
1278#if 0
1279static int sdma_v4_4_2_process_ras_data_cb(struct amdgpu_device *adev,
1280 void *err_data,
1281 struct amdgpu_iv_entry *entry);
1282#endif
1283
1284static int sdma_v4_4_2_late_init(void *handle)
1285{
1286 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1287#if 0
1288 struct ras_ih_if ih_info = {
1289 .cb = sdma_v4_4_2_process_ras_data_cb,
1290 };
1291#endif
1292 if (!amdgpu_persistent_edc_harvesting_supported(adev))
1293 amdgpu_ras_reset_error_count(adev, AMDGPU_RAS_BLOCK__SDMA);
1294
1295 return 0;
1296}
1297
1298static int sdma_v4_4_2_sw_init(void *handle)
1299{
1300 struct amdgpu_ring *ring;
1301 int r, i;
1302 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1303 u32 aid_id;
1304
1305 /* SDMA trap event */
1306 for (i = 0; i < adev->sdma.num_inst_per_aid; i++) {
1307 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i),
1308 SDMA0_4_0__SRCID__SDMA_TRAP,
1309 &adev->sdma.trap_irq);
1310 if (r)
1311 return r;
1312 }
1313
1314 /* SDMA SRAM ECC event */
1315 for (i = 0; i < adev->sdma.num_inst_per_aid; i++) {
1316 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i),
1317 SDMA0_4_0__SRCID__SDMA_SRAM_ECC,
1318 &adev->sdma.ecc_irq);
1319 if (r)
1320 return r;
1321 }
1322
1323 /* SDMA VM_HOLE/DOORBELL_INV/POLL_TIMEOUT/SRBM_WRITE_PROTECTION event*/
1324 for (i = 0; i < adev->sdma.num_inst_per_aid; i++) {
1325 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i),
1326 SDMA0_4_0__SRCID__SDMA_VM_HOLE,
1327 &adev->sdma.vm_hole_irq);
1328 if (r)
1329 return r;
1330
1331 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i),
1332 SDMA0_4_0__SRCID__SDMA_DOORBELL_INVALID,
1333 &adev->sdma.doorbell_invalid_irq);
1334 if (r)
1335 return r;
1336
1337 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i),
1338 SDMA0_4_0__SRCID__SDMA_POLL_TIMEOUT,
1339 &adev->sdma.pool_timeout_irq);
1340 if (r)
1341 return r;
1342
1343 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i),
1344 SDMA0_4_0__SRCID__SDMA_SRBMWRITE,
1345 &adev->sdma.srbm_write_irq);
1346 if (r)
1347 return r;
1348 }
1349
1350 for (i = 0; i < adev->sdma.num_instances; i++) {
1351 ring = &adev->sdma.instance[i].ring;
1352 ring->ring_obj = NULL;
1353 ring->use_doorbell = true;
1354 aid_id = adev->sdma.instance[i].aid_id;
1355
1356 DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i,
1357 ring->use_doorbell?"true":"false");
1358
1359 /* doorbell size is 2 dwords, get DWORD offset */
1360 ring->doorbell_index = adev->doorbell_index.sdma_engine[i] << 1;
1361 ring->vm_hub = AMDGPU_MMHUB0(aid_id);
1362
1363 sprintf(ring->name, "sdma%d.%d", aid_id,
1364 i % adev->sdma.num_inst_per_aid);
1365 r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq,
1366 AMDGPU_SDMA_IRQ_INSTANCE0 + i,
1367 AMDGPU_RING_PRIO_DEFAULT, NULL);
1368 if (r)
1369 return r;
1370
1371 if (adev->sdma.has_page_queue) {
1372 ring = &adev->sdma.instance[i].page;
1373 ring->ring_obj = NULL;
1374 ring->use_doorbell = true;
1375
1376 /* doorbell index of page queue is assigned right after
1377 * gfx queue on the same instance
1378 */
1379 ring->doorbell_index =
1380 (adev->doorbell_index.sdma_engine[i] + 1) << 1;
1381 ring->vm_hub = AMDGPU_MMHUB0(aid_id);
1382
1383 sprintf(ring->name, "page%d.%d", aid_id,
1384 i % adev->sdma.num_inst_per_aid);
1385 r = amdgpu_ring_init(adev, ring, 1024,
1386 &adev->sdma.trap_irq,
1387 AMDGPU_SDMA_IRQ_INSTANCE0 + i,
1388 AMDGPU_RING_PRIO_DEFAULT, NULL);
1389 if (r)
1390 return r;
1391 }
1392 }
1393
1394 if (amdgpu_sdma_ras_sw_init(adev)) {
1395 dev_err(adev->dev, "fail to initialize sdma ras block\n");
1396 return -EINVAL;
1397 }
1398
1399 return r;
1400}
1401
1402static int sdma_v4_4_2_sw_fini(void *handle)
1403{
1404 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1405 int i;
1406
1407 for (i = 0; i < adev->sdma.num_instances; i++) {
1408 amdgpu_ring_fini(&adev->sdma.instance[i].ring);
1409 if (adev->sdma.has_page_queue)
1410 amdgpu_ring_fini(&adev->sdma.instance[i].page);
1411 }
1412
1413 if (amdgpu_ip_version(adev, SDMA0_HWIP, 0) == IP_VERSION(4, 4, 2))
1414 amdgpu_sdma_destroy_inst_ctx(adev, true);
1415 else
1416 amdgpu_sdma_destroy_inst_ctx(adev, false);
1417
1418 return 0;
1419}
1420
1421static int sdma_v4_4_2_hw_init(void *handle)
1422{
1423 int r;
1424 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1425 uint32_t inst_mask;
1426
1427 inst_mask = GENMASK(adev->sdma.num_instances - 1, 0);
1428 if (!amdgpu_sriov_vf(adev))
1429 sdma_v4_4_2_inst_init_golden_registers(adev, inst_mask);
1430
1431 r = sdma_v4_4_2_inst_start(adev, inst_mask);
1432
1433 return r;
1434}
1435
1436static int sdma_v4_4_2_hw_fini(void *handle)
1437{
1438 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1439 uint32_t inst_mask;
1440 int i;
1441
1442 if (amdgpu_sriov_vf(adev))
1443 return 0;
1444
1445 inst_mask = GENMASK(adev->sdma.num_instances - 1, 0);
1446 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) {
1447 for (i = 0; i < adev->sdma.num_instances; i++) {
1448 amdgpu_irq_put(adev, &adev->sdma.ecc_irq,
1449 AMDGPU_SDMA_IRQ_INSTANCE0 + i);
1450 }
1451 }
1452
1453 sdma_v4_4_2_inst_ctx_switch_enable(adev, false, inst_mask);
1454 sdma_v4_4_2_inst_enable(adev, false, inst_mask);
1455
1456 return 0;
1457}
1458
1459static int sdma_v4_4_2_set_clockgating_state(void *handle,
1460 enum amd_clockgating_state state);
1461
1462static int sdma_v4_4_2_suspend(void *handle)
1463{
1464 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1465
1466 if (amdgpu_in_reset(adev))
1467 sdma_v4_4_2_set_clockgating_state(adev, AMD_CG_STATE_UNGATE);
1468
1469 return sdma_v4_4_2_hw_fini(adev);
1470}
1471
1472static int sdma_v4_4_2_resume(void *handle)
1473{
1474 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1475
1476 return sdma_v4_4_2_hw_init(adev);
1477}
1478
1479static bool sdma_v4_4_2_is_idle(void *handle)
1480{
1481 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1482 u32 i;
1483
1484 for (i = 0; i < adev->sdma.num_instances; i++) {
1485 u32 tmp = RREG32_SDMA(i, regSDMA_STATUS_REG);
1486
1487 if (!(tmp & SDMA_STATUS_REG__IDLE_MASK))
1488 return false;
1489 }
1490
1491 return true;
1492}
1493
1494static int sdma_v4_4_2_wait_for_idle(void *handle)
1495{
1496 unsigned i, j;
1497 u32 sdma[AMDGPU_MAX_SDMA_INSTANCES];
1498 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1499
1500 for (i = 0; i < adev->usec_timeout; i++) {
1501 for (j = 0; j < adev->sdma.num_instances; j++) {
1502 sdma[j] = RREG32_SDMA(j, regSDMA_STATUS_REG);
1503 if (!(sdma[j] & SDMA_STATUS_REG__IDLE_MASK))
1504 break;
1505 }
1506 if (j == adev->sdma.num_instances)
1507 return 0;
1508 udelay(1);
1509 }
1510 return -ETIMEDOUT;
1511}
1512
1513static int sdma_v4_4_2_soft_reset(void *handle)
1514{
1515 /* todo */
1516
1517 return 0;
1518}
1519
1520static int sdma_v4_4_2_set_trap_irq_state(struct amdgpu_device *adev,
1521 struct amdgpu_irq_src *source,
1522 unsigned type,
1523 enum amdgpu_interrupt_state state)
1524{
1525 u32 sdma_cntl;
1526
1527 sdma_cntl = RREG32_SDMA(type, regSDMA_CNTL);
1528 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA_CNTL, TRAP_ENABLE,
1529 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
1530 WREG32_SDMA(type, regSDMA_CNTL, sdma_cntl);
1531
1532 return 0;
1533}
1534
1535static int sdma_v4_4_2_process_trap_irq(struct amdgpu_device *adev,
1536 struct amdgpu_irq_src *source,
1537 struct amdgpu_iv_entry *entry)
1538{
1539 uint32_t instance, i;
1540
1541 DRM_DEBUG("IH: SDMA trap\n");
1542 instance = sdma_v4_4_2_irq_id_to_seq(entry->client_id);
1543
1544 /* Client id gives the SDMA instance in AID. To know the exact SDMA
1545 * instance, interrupt entry gives the node id which corresponds to the AID instance.
1546 * Match node id with the AID id associated with the SDMA instance. */
1547 for (i = instance; i < adev->sdma.num_instances;
1548 i += adev->sdma.num_inst_per_aid) {
1549 if (adev->sdma.instance[i].aid_id ==
1550 node_id_to_phys_map[entry->node_id])
1551 break;
1552 }
1553
1554 if (i >= adev->sdma.num_instances) {
1555 dev_WARN_ONCE(
1556 adev->dev, 1,
1557 "Couldn't find the right sdma instance in trap handler");
1558 return 0;
1559 }
1560
1561 switch (entry->ring_id) {
1562 case 0:
1563 amdgpu_fence_process(&adev->sdma.instance[i].ring);
1564 break;
1565 default:
1566 break;
1567 }
1568 return 0;
1569}
1570
1571#if 0
1572static int sdma_v4_4_2_process_ras_data_cb(struct amdgpu_device *adev,
1573 void *err_data,
1574 struct amdgpu_iv_entry *entry)
1575{
1576 int instance;
1577
1578 /* When “Full RAS” is enabled, the per-IP interrupt sources should
1579 * be disabled and the driver should only look for the aggregated
1580 * interrupt via sync flood
1581 */
1582 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA))
1583 goto out;
1584
1585 instance = sdma_v4_4_2_irq_id_to_seq(entry->client_id);
1586 if (instance < 0)
1587 goto out;
1588
1589 amdgpu_sdma_process_ras_data_cb(adev, err_data, entry);
1590
1591out:
1592 return AMDGPU_RAS_SUCCESS;
1593}
1594#endif
1595
1596static int sdma_v4_4_2_process_illegal_inst_irq(struct amdgpu_device *adev,
1597 struct amdgpu_irq_src *source,
1598 struct amdgpu_iv_entry *entry)
1599{
1600 int instance;
1601
1602 DRM_ERROR("Illegal instruction in SDMA command stream\n");
1603
1604 instance = sdma_v4_4_2_irq_id_to_seq(entry->client_id);
1605 if (instance < 0)
1606 return 0;
1607
1608 switch (entry->ring_id) {
1609 case 0:
1610 drm_sched_fault(&adev->sdma.instance[instance].ring.sched);
1611 break;
1612 }
1613 return 0;
1614}
1615
1616static int sdma_v4_4_2_set_ecc_irq_state(struct amdgpu_device *adev,
1617 struct amdgpu_irq_src *source,
1618 unsigned type,
1619 enum amdgpu_interrupt_state state)
1620{
1621 u32 sdma_cntl;
1622
1623 sdma_cntl = RREG32_SDMA(type, regSDMA_CNTL);
1624 switch (state) {
1625 case AMDGPU_IRQ_STATE_DISABLE:
1626 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA_CNTL,
1627 DRAM_ECC_INT_ENABLE, 0);
1628 WREG32_SDMA(type, regSDMA_CNTL, sdma_cntl);
1629 break;
1630 /* sdma ecc interrupt is enabled by default
1631 * driver doesn't need to do anything to
1632 * enable the interrupt */
1633 case AMDGPU_IRQ_STATE_ENABLE:
1634 default:
1635 break;
1636 }
1637
1638 return 0;
1639}
1640
1641static int sdma_v4_4_2_print_iv_entry(struct amdgpu_device *adev,
1642 struct amdgpu_iv_entry *entry)
1643{
1644 int instance;
1645 struct amdgpu_task_info task_info;
1646 u64 addr;
1647
1648 instance = sdma_v4_4_2_irq_id_to_seq(entry->client_id);
1649 if (instance < 0 || instance >= adev->sdma.num_instances) {
1650 dev_err(adev->dev, "sdma instance invalid %d\n", instance);
1651 return -EINVAL;
1652 }
1653
1654 addr = (u64)entry->src_data[0] << 12;
1655 addr |= ((u64)entry->src_data[1] & 0xf) << 44;
1656
1657 memset(&task_info, 0, sizeof(struct amdgpu_task_info));
1658 amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
1659
1660 dev_dbg_ratelimited(adev->dev,
1661 "[sdma%d] address:0x%016llx src_id:%u ring:%u vmid:%u "
1662 "pasid:%u, for process %s pid %d thread %s pid %d\n",
1663 instance, addr, entry->src_id, entry->ring_id, entry->vmid,
1664 entry->pasid, task_info.process_name, task_info.tgid,
1665 task_info.task_name, task_info.pid);
1666 return 0;
1667}
1668
1669static int sdma_v4_4_2_process_vm_hole_irq(struct amdgpu_device *adev,
1670 struct amdgpu_irq_src *source,
1671 struct amdgpu_iv_entry *entry)
1672{
1673 dev_dbg_ratelimited(adev->dev, "MC or SEM address in VM hole\n");
1674 sdma_v4_4_2_print_iv_entry(adev, entry);
1675 return 0;
1676}
1677
1678static int sdma_v4_4_2_process_doorbell_invalid_irq(struct amdgpu_device *adev,
1679 struct amdgpu_irq_src *source,
1680 struct amdgpu_iv_entry *entry)
1681{
1682
1683 dev_dbg_ratelimited(adev->dev, "SDMA received a doorbell from BIF with byte_enable !=0xff\n");
1684 sdma_v4_4_2_print_iv_entry(adev, entry);
1685 return 0;
1686}
1687
1688static int sdma_v4_4_2_process_pool_timeout_irq(struct amdgpu_device *adev,
1689 struct amdgpu_irq_src *source,
1690 struct amdgpu_iv_entry *entry)
1691{
1692 dev_dbg_ratelimited(adev->dev,
1693 "Polling register/memory timeout executing POLL_REG/MEM with finite timer\n");
1694 sdma_v4_4_2_print_iv_entry(adev, entry);
1695 return 0;
1696}
1697
1698static int sdma_v4_4_2_process_srbm_write_irq(struct amdgpu_device *adev,
1699 struct amdgpu_irq_src *source,
1700 struct amdgpu_iv_entry *entry)
1701{
1702 dev_dbg_ratelimited(adev->dev,
1703 "SDMA gets an Register Write SRBM_WRITE command in non-privilege command buffer\n");
1704 sdma_v4_4_2_print_iv_entry(adev, entry);
1705 return 0;
1706}
1707
1708static void sdma_v4_4_2_inst_update_medium_grain_light_sleep(
1709 struct amdgpu_device *adev, bool enable, uint32_t inst_mask)
1710{
1711 uint32_t data, def;
1712 int i;
1713
1714 /* leave as default if it is not driver controlled */
1715 if (!(adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS))
1716 return;
1717
1718 if (enable) {
1719 for_each_inst(i, inst_mask) {
1720 /* 1-not override: enable sdma mem light sleep */
1721 def = data = RREG32_SDMA(i, regSDMA_POWER_CNTL);
1722 data |= SDMA_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1723 if (def != data)
1724 WREG32_SDMA(i, regSDMA_POWER_CNTL, data);
1725 }
1726 } else {
1727 for_each_inst(i, inst_mask) {
1728 /* 0-override:disable sdma mem light sleep */
1729 def = data = RREG32_SDMA(i, regSDMA_POWER_CNTL);
1730 data &= ~SDMA_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1731 if (def != data)
1732 WREG32_SDMA(i, regSDMA_POWER_CNTL, data);
1733 }
1734 }
1735}
1736
1737static void sdma_v4_4_2_inst_update_medium_grain_clock_gating(
1738 struct amdgpu_device *adev, bool enable, uint32_t inst_mask)
1739{
1740 uint32_t data, def;
1741 int i;
1742
1743 /* leave as default if it is not driver controlled */
1744 if (!(adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG))
1745 return;
1746
1747 if (enable) {
1748 for_each_inst(i, inst_mask) {
1749 def = data = RREG32_SDMA(i, regSDMA_CLK_CTRL);
1750 data &= ~(SDMA_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1751 SDMA_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1752 SDMA_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1753 SDMA_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1754 SDMA_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1755 SDMA_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1756 if (def != data)
1757 WREG32_SDMA(i, regSDMA_CLK_CTRL, data);
1758 }
1759 } else {
1760 for_each_inst(i, inst_mask) {
1761 def = data = RREG32_SDMA(i, regSDMA_CLK_CTRL);
1762 data |= (SDMA_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1763 SDMA_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1764 SDMA_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1765 SDMA_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1766 SDMA_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1767 SDMA_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1768 if (def != data)
1769 WREG32_SDMA(i, regSDMA_CLK_CTRL, data);
1770 }
1771 }
1772}
1773
1774static int sdma_v4_4_2_set_clockgating_state(void *handle,
1775 enum amd_clockgating_state state)
1776{
1777 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1778 uint32_t inst_mask;
1779
1780 if (amdgpu_sriov_vf(adev))
1781 return 0;
1782
1783 inst_mask = GENMASK(adev->sdma.num_instances - 1, 0);
1784
1785 sdma_v4_4_2_inst_update_medium_grain_clock_gating(
1786 adev, state == AMD_CG_STATE_GATE, inst_mask);
1787 sdma_v4_4_2_inst_update_medium_grain_light_sleep(
1788 adev, state == AMD_CG_STATE_GATE, inst_mask);
1789 return 0;
1790}
1791
1792static int sdma_v4_4_2_set_powergating_state(void *handle,
1793 enum amd_powergating_state state)
1794{
1795 return 0;
1796}
1797
1798static void sdma_v4_4_2_get_clockgating_state(void *handle, u64 *flags)
1799{
1800 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1801 int data;
1802
1803 if (amdgpu_sriov_vf(adev))
1804 *flags = 0;
1805
1806 /* AMD_CG_SUPPORT_SDMA_MGCG */
1807 data = RREG32(SOC15_REG_OFFSET(SDMA0, GET_INST(SDMA0, 0), regSDMA_CLK_CTRL));
1808 if (!(data & SDMA_CLK_CTRL__SOFT_OVERRIDE5_MASK))
1809 *flags |= AMD_CG_SUPPORT_SDMA_MGCG;
1810
1811 /* AMD_CG_SUPPORT_SDMA_LS */
1812 data = RREG32(SOC15_REG_OFFSET(SDMA0, GET_INST(SDMA0, 0), regSDMA_POWER_CNTL));
1813 if (data & SDMA_POWER_CNTL__MEM_POWER_OVERRIDE_MASK)
1814 *flags |= AMD_CG_SUPPORT_SDMA_LS;
1815}
1816
1817const struct amd_ip_funcs sdma_v4_4_2_ip_funcs = {
1818 .name = "sdma_v4_4_2",
1819 .early_init = sdma_v4_4_2_early_init,
1820 .late_init = sdma_v4_4_2_late_init,
1821 .sw_init = sdma_v4_4_2_sw_init,
1822 .sw_fini = sdma_v4_4_2_sw_fini,
1823 .hw_init = sdma_v4_4_2_hw_init,
1824 .hw_fini = sdma_v4_4_2_hw_fini,
1825 .suspend = sdma_v4_4_2_suspend,
1826 .resume = sdma_v4_4_2_resume,
1827 .is_idle = sdma_v4_4_2_is_idle,
1828 .wait_for_idle = sdma_v4_4_2_wait_for_idle,
1829 .soft_reset = sdma_v4_4_2_soft_reset,
1830 .set_clockgating_state = sdma_v4_4_2_set_clockgating_state,
1831 .set_powergating_state = sdma_v4_4_2_set_powergating_state,
1832 .get_clockgating_state = sdma_v4_4_2_get_clockgating_state,
1833};
1834
1835static const struct amdgpu_ring_funcs sdma_v4_4_2_ring_funcs = {
1836 .type = AMDGPU_RING_TYPE_SDMA,
1837 .align_mask = 0xff,
1838 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
1839 .support_64bit_ptrs = true,
1840 .get_rptr = sdma_v4_4_2_ring_get_rptr,
1841 .get_wptr = sdma_v4_4_2_ring_get_wptr,
1842 .set_wptr = sdma_v4_4_2_ring_set_wptr,
1843 .emit_frame_size =
1844 6 + /* sdma_v4_4_2_ring_emit_hdp_flush */
1845 3 + /* hdp invalidate */
1846 6 + /* sdma_v4_4_2_ring_emit_pipeline_sync */
1847 /* sdma_v4_4_2_ring_emit_vm_flush */
1848 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1849 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
1850 10 + 10 + 10, /* sdma_v4_4_2_ring_emit_fence x3 for user fence, vm fence */
1851 .emit_ib_size = 7 + 6, /* sdma_v4_4_2_ring_emit_ib */
1852 .emit_ib = sdma_v4_4_2_ring_emit_ib,
1853 .emit_fence = sdma_v4_4_2_ring_emit_fence,
1854 .emit_pipeline_sync = sdma_v4_4_2_ring_emit_pipeline_sync,
1855 .emit_vm_flush = sdma_v4_4_2_ring_emit_vm_flush,
1856 .emit_hdp_flush = sdma_v4_4_2_ring_emit_hdp_flush,
1857 .test_ring = sdma_v4_4_2_ring_test_ring,
1858 .test_ib = sdma_v4_4_2_ring_test_ib,
1859 .insert_nop = sdma_v4_4_2_ring_insert_nop,
1860 .pad_ib = sdma_v4_4_2_ring_pad_ib,
1861 .emit_wreg = sdma_v4_4_2_ring_emit_wreg,
1862 .emit_reg_wait = sdma_v4_4_2_ring_emit_reg_wait,
1863 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1864};
1865
1866static const struct amdgpu_ring_funcs sdma_v4_4_2_page_ring_funcs = {
1867 .type = AMDGPU_RING_TYPE_SDMA,
1868 .align_mask = 0xff,
1869 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
1870 .support_64bit_ptrs = true,
1871 .get_rptr = sdma_v4_4_2_ring_get_rptr,
1872 .get_wptr = sdma_v4_4_2_page_ring_get_wptr,
1873 .set_wptr = sdma_v4_4_2_page_ring_set_wptr,
1874 .emit_frame_size =
1875 6 + /* sdma_v4_4_2_ring_emit_hdp_flush */
1876 3 + /* hdp invalidate */
1877 6 + /* sdma_v4_4_2_ring_emit_pipeline_sync */
1878 /* sdma_v4_4_2_ring_emit_vm_flush */
1879 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1880 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
1881 10 + 10 + 10, /* sdma_v4_4_2_ring_emit_fence x3 for user fence, vm fence */
1882 .emit_ib_size = 7 + 6, /* sdma_v4_4_2_ring_emit_ib */
1883 .emit_ib = sdma_v4_4_2_ring_emit_ib,
1884 .emit_fence = sdma_v4_4_2_ring_emit_fence,
1885 .emit_pipeline_sync = sdma_v4_4_2_ring_emit_pipeline_sync,
1886 .emit_vm_flush = sdma_v4_4_2_ring_emit_vm_flush,
1887 .emit_hdp_flush = sdma_v4_4_2_ring_emit_hdp_flush,
1888 .test_ring = sdma_v4_4_2_ring_test_ring,
1889 .test_ib = sdma_v4_4_2_ring_test_ib,
1890 .insert_nop = sdma_v4_4_2_ring_insert_nop,
1891 .pad_ib = sdma_v4_4_2_ring_pad_ib,
1892 .emit_wreg = sdma_v4_4_2_ring_emit_wreg,
1893 .emit_reg_wait = sdma_v4_4_2_ring_emit_reg_wait,
1894 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1895};
1896
1897static void sdma_v4_4_2_set_ring_funcs(struct amdgpu_device *adev)
1898{
1899 int i, dev_inst;
1900
1901 for (i = 0; i < adev->sdma.num_instances; i++) {
1902 adev->sdma.instance[i].ring.funcs = &sdma_v4_4_2_ring_funcs;
1903 adev->sdma.instance[i].ring.me = i;
1904 if (adev->sdma.has_page_queue) {
1905 adev->sdma.instance[i].page.funcs =
1906 &sdma_v4_4_2_page_ring_funcs;
1907 adev->sdma.instance[i].page.me = i;
1908 }
1909
1910 dev_inst = GET_INST(SDMA0, i);
1911 /* AID to which SDMA belongs depends on physical instance */
1912 adev->sdma.instance[i].aid_id =
1913 dev_inst / adev->sdma.num_inst_per_aid;
1914 }
1915}
1916
1917static const struct amdgpu_irq_src_funcs sdma_v4_4_2_trap_irq_funcs = {
1918 .set = sdma_v4_4_2_set_trap_irq_state,
1919 .process = sdma_v4_4_2_process_trap_irq,
1920};
1921
1922static const struct amdgpu_irq_src_funcs sdma_v4_4_2_illegal_inst_irq_funcs = {
1923 .process = sdma_v4_4_2_process_illegal_inst_irq,
1924};
1925
1926static const struct amdgpu_irq_src_funcs sdma_v4_4_2_ecc_irq_funcs = {
1927 .set = sdma_v4_4_2_set_ecc_irq_state,
1928 .process = amdgpu_sdma_process_ecc_irq,
1929};
1930
1931static const struct amdgpu_irq_src_funcs sdma_v4_4_2_vm_hole_irq_funcs = {
1932 .process = sdma_v4_4_2_process_vm_hole_irq,
1933};
1934
1935static const struct amdgpu_irq_src_funcs sdma_v4_4_2_doorbell_invalid_irq_funcs = {
1936 .process = sdma_v4_4_2_process_doorbell_invalid_irq,
1937};
1938
1939static const struct amdgpu_irq_src_funcs sdma_v4_4_2_pool_timeout_irq_funcs = {
1940 .process = sdma_v4_4_2_process_pool_timeout_irq,
1941};
1942
1943static const struct amdgpu_irq_src_funcs sdma_v4_4_2_srbm_write_irq_funcs = {
1944 .process = sdma_v4_4_2_process_srbm_write_irq,
1945};
1946
1947static void sdma_v4_4_2_set_irq_funcs(struct amdgpu_device *adev)
1948{
1949 adev->sdma.trap_irq.num_types = adev->sdma.num_instances;
1950 adev->sdma.ecc_irq.num_types = adev->sdma.num_instances;
1951 adev->sdma.vm_hole_irq.num_types = adev->sdma.num_instances;
1952 adev->sdma.doorbell_invalid_irq.num_types = adev->sdma.num_instances;
1953 adev->sdma.pool_timeout_irq.num_types = adev->sdma.num_instances;
1954 adev->sdma.srbm_write_irq.num_types = adev->sdma.num_instances;
1955
1956 adev->sdma.trap_irq.funcs = &sdma_v4_4_2_trap_irq_funcs;
1957 adev->sdma.illegal_inst_irq.funcs = &sdma_v4_4_2_illegal_inst_irq_funcs;
1958 adev->sdma.ecc_irq.funcs = &sdma_v4_4_2_ecc_irq_funcs;
1959 adev->sdma.vm_hole_irq.funcs = &sdma_v4_4_2_vm_hole_irq_funcs;
1960 adev->sdma.doorbell_invalid_irq.funcs = &sdma_v4_4_2_doorbell_invalid_irq_funcs;
1961 adev->sdma.pool_timeout_irq.funcs = &sdma_v4_4_2_pool_timeout_irq_funcs;
1962 adev->sdma.srbm_write_irq.funcs = &sdma_v4_4_2_srbm_write_irq_funcs;
1963}
1964
1965/**
1966 * sdma_v4_4_2_emit_copy_buffer - copy buffer using the sDMA engine
1967 *
1968 * @ib: indirect buffer to copy to
1969 * @src_offset: src GPU address
1970 * @dst_offset: dst GPU address
1971 * @byte_count: number of bytes to xfer
1972 * @tmz: if a secure copy should be used
1973 *
1974 * Copy GPU buffers using the DMA engine.
1975 * Used by the amdgpu ttm implementation to move pages if
1976 * registered as the asic copy callback.
1977 */
1978static void sdma_v4_4_2_emit_copy_buffer(struct amdgpu_ib *ib,
1979 uint64_t src_offset,
1980 uint64_t dst_offset,
1981 uint32_t byte_count,
1982 bool tmz)
1983{
1984 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
1985 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) |
1986 SDMA_PKT_COPY_LINEAR_HEADER_TMZ(tmz ? 1 : 0);
1987 ib->ptr[ib->length_dw++] = byte_count - 1;
1988 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1989 ib->ptr[ib->length_dw++] = lower_32_bits(src_offset);
1990 ib->ptr[ib->length_dw++] = upper_32_bits(src_offset);
1991 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
1992 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
1993}
1994
1995/**
1996 * sdma_v4_4_2_emit_fill_buffer - fill buffer using the sDMA engine
1997 *
1998 * @ib: indirect buffer to copy to
1999 * @src_data: value to write to buffer
2000 * @dst_offset: dst GPU address
2001 * @byte_count: number of bytes to xfer
2002 *
2003 * Fill GPU buffers using the DMA engine.
2004 */
2005static void sdma_v4_4_2_emit_fill_buffer(struct amdgpu_ib *ib,
2006 uint32_t src_data,
2007 uint64_t dst_offset,
2008 uint32_t byte_count)
2009{
2010 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL);
2011 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
2012 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
2013 ib->ptr[ib->length_dw++] = src_data;
2014 ib->ptr[ib->length_dw++] = byte_count - 1;
2015}
2016
2017static const struct amdgpu_buffer_funcs sdma_v4_4_2_buffer_funcs = {
2018 .copy_max_bytes = 0x400000,
2019 .copy_num_dw = 7,
2020 .emit_copy_buffer = sdma_v4_4_2_emit_copy_buffer,
2021
2022 .fill_max_bytes = 0x400000,
2023 .fill_num_dw = 5,
2024 .emit_fill_buffer = sdma_v4_4_2_emit_fill_buffer,
2025};
2026
2027static void sdma_v4_4_2_set_buffer_funcs(struct amdgpu_device *adev)
2028{
2029 adev->mman.buffer_funcs = &sdma_v4_4_2_buffer_funcs;
2030 if (adev->sdma.has_page_queue)
2031 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].page;
2032 else
2033 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
2034}
2035
2036static const struct amdgpu_vm_pte_funcs sdma_v4_4_2_vm_pte_funcs = {
2037 .copy_pte_num_dw = 7,
2038 .copy_pte = sdma_v4_4_2_vm_copy_pte,
2039
2040 .write_pte = sdma_v4_4_2_vm_write_pte,
2041 .set_pte_pde = sdma_v4_4_2_vm_set_pte_pde,
2042};
2043
2044static void sdma_v4_4_2_set_vm_pte_funcs(struct amdgpu_device *adev)
2045{
2046 struct drm_gpu_scheduler *sched;
2047 unsigned i;
2048
2049 adev->vm_manager.vm_pte_funcs = &sdma_v4_4_2_vm_pte_funcs;
2050 for (i = 0; i < adev->sdma.num_instances; i++) {
2051 if (adev->sdma.has_page_queue)
2052 sched = &adev->sdma.instance[i].page.sched;
2053 else
2054 sched = &adev->sdma.instance[i].ring.sched;
2055 adev->vm_manager.vm_pte_scheds[i] = sched;
2056 }
2057 adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances;
2058}
2059
2060const struct amdgpu_ip_block_version sdma_v4_4_2_ip_block = {
2061 .type = AMD_IP_BLOCK_TYPE_SDMA,
2062 .major = 4,
2063 .minor = 4,
2064 .rev = 2,
2065 .funcs = &sdma_v4_4_2_ip_funcs,
2066};
2067
2068static int sdma_v4_4_2_xcp_resume(void *handle, uint32_t inst_mask)
2069{
2070 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2071 int r;
2072
2073 if (!amdgpu_sriov_vf(adev))
2074 sdma_v4_4_2_inst_init_golden_registers(adev, inst_mask);
2075
2076 r = sdma_v4_4_2_inst_start(adev, inst_mask);
2077
2078 return r;
2079}
2080
2081static int sdma_v4_4_2_xcp_suspend(void *handle, uint32_t inst_mask)
2082{
2083 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2084 uint32_t tmp_mask = inst_mask;
2085 int i;
2086
2087 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) {
2088 for_each_inst(i, tmp_mask) {
2089 amdgpu_irq_put(adev, &adev->sdma.ecc_irq,
2090 AMDGPU_SDMA_IRQ_INSTANCE0 + i);
2091 }
2092 }
2093
2094 sdma_v4_4_2_inst_ctx_switch_enable(adev, false, inst_mask);
2095 sdma_v4_4_2_inst_enable(adev, false, inst_mask);
2096
2097 return 0;
2098}
2099
2100struct amdgpu_xcp_ip_funcs sdma_v4_4_2_xcp_funcs = {
2101 .suspend = &sdma_v4_4_2_xcp_suspend,
2102 .resume = &sdma_v4_4_2_xcp_resume
2103};
2104
2105static const struct amdgpu_ras_err_status_reg_entry sdma_v4_2_2_ue_reg_list[] = {
2106 {AMDGPU_RAS_REG_ENTRY(SDMA0, 0, regSDMA_UE_ERR_STATUS_LO, regSDMA_UE_ERR_STATUS_HI),
2107 1, (AMDGPU_RAS_ERR_INFO_VALID | AMDGPU_RAS_ERR_STATUS_VALID), "SDMA"},
2108};
2109
2110static const struct amdgpu_ras_memory_id_entry sdma_v4_4_2_ras_memory_list[] = {
2111 {AMDGPU_SDMA_MBANK_DATA_BUF0, "SDMA_MBANK_DATA_BUF0"},
2112 {AMDGPU_SDMA_MBANK_DATA_BUF1, "SDMA_MBANK_DATA_BUF1"},
2113 {AMDGPU_SDMA_MBANK_DATA_BUF2, "SDMA_MBANK_DATA_BUF2"},
2114 {AMDGPU_SDMA_MBANK_DATA_BUF3, "SDMA_MBANK_DATA_BUF3"},
2115 {AMDGPU_SDMA_MBANK_DATA_BUF4, "SDMA_MBANK_DATA_BUF4"},
2116 {AMDGPU_SDMA_MBANK_DATA_BUF5, "SDMA_MBANK_DATA_BUF5"},
2117 {AMDGPU_SDMA_MBANK_DATA_BUF6, "SDMA_MBANK_DATA_BUF6"},
2118 {AMDGPU_SDMA_MBANK_DATA_BUF7, "SDMA_MBANK_DATA_BUF7"},
2119 {AMDGPU_SDMA_MBANK_DATA_BUF8, "SDMA_MBANK_DATA_BUF8"},
2120 {AMDGPU_SDMA_MBANK_DATA_BUF9, "SDMA_MBANK_DATA_BUF9"},
2121 {AMDGPU_SDMA_MBANK_DATA_BUF10, "SDMA_MBANK_DATA_BUF10"},
2122 {AMDGPU_SDMA_MBANK_DATA_BUF11, "SDMA_MBANK_DATA_BUF11"},
2123 {AMDGPU_SDMA_MBANK_DATA_BUF12, "SDMA_MBANK_DATA_BUF12"},
2124 {AMDGPU_SDMA_MBANK_DATA_BUF13, "SDMA_MBANK_DATA_BUF13"},
2125 {AMDGPU_SDMA_MBANK_DATA_BUF14, "SDMA_MBANK_DATA_BUF14"},
2126 {AMDGPU_SDMA_MBANK_DATA_BUF15, "SDMA_MBANK_DATA_BUF15"},
2127 {AMDGPU_SDMA_UCODE_BUF, "SDMA_UCODE_BUF"},
2128 {AMDGPU_SDMA_RB_CMD_BUF, "SDMA_RB_CMD_BUF"},
2129 {AMDGPU_SDMA_IB_CMD_BUF, "SDMA_IB_CMD_BUF"},
2130 {AMDGPU_SDMA_UTCL1_RD_FIFO, "SDMA_UTCL1_RD_FIFO"},
2131 {AMDGPU_SDMA_UTCL1_RDBST_FIFO, "SDMA_UTCL1_RDBST_FIFO"},
2132 {AMDGPU_SDMA_UTCL1_WR_FIFO, "SDMA_UTCL1_WR_FIFO"},
2133 {AMDGPU_SDMA_DATA_LUT_FIFO, "SDMA_DATA_LUT_FIFO"},
2134 {AMDGPU_SDMA_SPLIT_DAT_BUF, "SDMA_SPLIT_DAT_BUF"},
2135};
2136
2137static void sdma_v4_4_2_inst_query_ras_error_count(struct amdgpu_device *adev,
2138 uint32_t sdma_inst,
2139 void *ras_err_status)
2140{
2141 struct ras_err_data *err_data = (struct ras_err_data *)ras_err_status;
2142 uint32_t sdma_dev_inst = GET_INST(SDMA0, sdma_inst);
2143 unsigned long ue_count = 0;
2144 struct amdgpu_smuio_mcm_config_info mcm_info = {
2145 .socket_id = adev->smuio.funcs->get_socket_id(adev),
2146 .die_id = adev->sdma.instance[sdma_inst].aid_id,
2147 };
2148
2149 /* sdma v4_4_2 doesn't support query ce counts */
2150 amdgpu_ras_inst_query_ras_error_count(adev,
2151 sdma_v4_2_2_ue_reg_list,
2152 ARRAY_SIZE(sdma_v4_2_2_ue_reg_list),
2153 sdma_v4_4_2_ras_memory_list,
2154 ARRAY_SIZE(sdma_v4_4_2_ras_memory_list),
2155 sdma_dev_inst,
2156 AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE,
2157 &ue_count);
2158
2159 amdgpu_ras_error_statistic_ue_count(err_data, &mcm_info, NULL, ue_count);
2160}
2161
2162static void sdma_v4_4_2_query_ras_error_count(struct amdgpu_device *adev,
2163 void *ras_err_status)
2164{
2165 uint32_t inst_mask;
2166 int i = 0;
2167
2168 inst_mask = GENMASK(adev->sdma.num_instances - 1, 0);
2169 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) {
2170 for_each_inst(i, inst_mask)
2171 sdma_v4_4_2_inst_query_ras_error_count(adev, i, ras_err_status);
2172 } else {
2173 dev_warn(adev->dev, "SDMA RAS is not supported\n");
2174 }
2175}
2176
2177static void sdma_v4_4_2_inst_reset_ras_error_count(struct amdgpu_device *adev,
2178 uint32_t sdma_inst)
2179{
2180 uint32_t sdma_dev_inst = GET_INST(SDMA0, sdma_inst);
2181
2182 amdgpu_ras_inst_reset_ras_error_count(adev,
2183 sdma_v4_2_2_ue_reg_list,
2184 ARRAY_SIZE(sdma_v4_2_2_ue_reg_list),
2185 sdma_dev_inst);
2186}
2187
2188static void sdma_v4_4_2_reset_ras_error_count(struct amdgpu_device *adev)
2189{
2190 uint32_t inst_mask;
2191 int i = 0;
2192
2193 inst_mask = GENMASK(adev->sdma.num_instances - 1, 0);
2194 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) {
2195 for_each_inst(i, inst_mask)
2196 sdma_v4_4_2_inst_reset_ras_error_count(adev, i);
2197 } else {
2198 dev_warn(adev->dev, "SDMA RAS is not supported\n");
2199 }
2200}
2201
2202static const struct amdgpu_ras_block_hw_ops sdma_v4_4_2_ras_hw_ops = {
2203 .query_ras_error_count = sdma_v4_4_2_query_ras_error_count,
2204 .reset_ras_error_count = sdma_v4_4_2_reset_ras_error_count,
2205};
2206
2207static struct amdgpu_sdma_ras sdma_v4_4_2_ras = {
2208 .ras_block = {
2209 .hw_ops = &sdma_v4_4_2_ras_hw_ops,
2210 },
2211};
2212
2213static void sdma_v4_4_2_set_ras_funcs(struct amdgpu_device *adev)
2214{
2215 adev->sdma.ras = &sdma_v4_4_2_ras;
2216}