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1/*
2 * Copyright 2013 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 * Authors: Christian König <christian.koenig@amd.com>
23 */
24
25#include <linux/firmware.h>
26#include <drm/drmP.h>
27#include "amdgpu.h"
28#include "amdgpu_uvd.h"
29#include "cikd.h"
30
31#include "uvd/uvd_4_2_d.h"
32#include "uvd/uvd_4_2_sh_mask.h"
33
34#include "oss/oss_2_0_d.h"
35#include "oss/oss_2_0_sh_mask.h"
36
37static void uvd_v4_2_mc_resume(struct amdgpu_device *adev);
38static void uvd_v4_2_init_cg(struct amdgpu_device *adev);
39static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev);
40static void uvd_v4_2_set_irq_funcs(struct amdgpu_device *adev);
41static int uvd_v4_2_start(struct amdgpu_device *adev);
42static void uvd_v4_2_stop(struct amdgpu_device *adev);
43
44/**
45 * uvd_v4_2_ring_get_rptr - get read pointer
46 *
47 * @ring: amdgpu_ring pointer
48 *
49 * Returns the current hardware read pointer
50 */
51static uint32_t uvd_v4_2_ring_get_rptr(struct amdgpu_ring *ring)
52{
53 struct amdgpu_device *adev = ring->adev;
54
55 return RREG32(mmUVD_RBC_RB_RPTR);
56}
57
58/**
59 * uvd_v4_2_ring_get_wptr - get write pointer
60 *
61 * @ring: amdgpu_ring pointer
62 *
63 * Returns the current hardware write pointer
64 */
65static uint32_t uvd_v4_2_ring_get_wptr(struct amdgpu_ring *ring)
66{
67 struct amdgpu_device *adev = ring->adev;
68
69 return RREG32(mmUVD_RBC_RB_WPTR);
70}
71
72/**
73 * uvd_v4_2_ring_set_wptr - set write pointer
74 *
75 * @ring: amdgpu_ring pointer
76 *
77 * Commits the write pointer to the hardware
78 */
79static void uvd_v4_2_ring_set_wptr(struct amdgpu_ring *ring)
80{
81 struct amdgpu_device *adev = ring->adev;
82
83 WREG32(mmUVD_RBC_RB_WPTR, ring->wptr);
84}
85
86static int uvd_v4_2_early_init(void *handle)
87{
88 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
89
90 uvd_v4_2_set_ring_funcs(adev);
91 uvd_v4_2_set_irq_funcs(adev);
92
93 return 0;
94}
95
96static int uvd_v4_2_sw_init(void *handle)
97{
98 struct amdgpu_ring *ring;
99 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
100 int r;
101
102 /* UVD TRAP */
103 r = amdgpu_irq_add_id(adev, 124, &adev->uvd.irq);
104 if (r)
105 return r;
106
107 r = amdgpu_uvd_sw_init(adev);
108 if (r)
109 return r;
110
111 r = amdgpu_uvd_resume(adev);
112 if (r)
113 return r;
114
115 ring = &adev->uvd.ring;
116 sprintf(ring->name, "uvd");
117 r = amdgpu_ring_init(adev, ring, 4096, CP_PACKET2, 0xf,
118 &adev->uvd.irq, 0, AMDGPU_RING_TYPE_UVD);
119
120 return r;
121}
122
123static int uvd_v4_2_sw_fini(void *handle)
124{
125 int r;
126 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
127
128 r = amdgpu_uvd_suspend(adev);
129 if (r)
130 return r;
131
132 r = amdgpu_uvd_sw_fini(adev);
133 if (r)
134 return r;
135
136 return r;
137}
138
139/**
140 * uvd_v4_2_hw_init - start and test UVD block
141 *
142 * @adev: amdgpu_device pointer
143 *
144 * Initialize the hardware, boot up the VCPU and do some testing
145 */
146static int uvd_v4_2_hw_init(void *handle)
147{
148 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
149 struct amdgpu_ring *ring = &adev->uvd.ring;
150 uint32_t tmp;
151 int r;
152
153 /* raise clocks while booting up the VCPU */
154 amdgpu_asic_set_uvd_clocks(adev, 53300, 40000);
155
156 r = uvd_v4_2_start(adev);
157 if (r)
158 goto done;
159
160 ring->ready = true;
161 r = amdgpu_ring_test_ring(ring);
162 if (r) {
163 ring->ready = false;
164 goto done;
165 }
166
167 r = amdgpu_ring_alloc(ring, 10);
168 if (r) {
169 DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r);
170 goto done;
171 }
172
173 tmp = PACKET0(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0);
174 amdgpu_ring_write(ring, tmp);
175 amdgpu_ring_write(ring, 0xFFFFF);
176
177 tmp = PACKET0(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0);
178 amdgpu_ring_write(ring, tmp);
179 amdgpu_ring_write(ring, 0xFFFFF);
180
181 tmp = PACKET0(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0);
182 amdgpu_ring_write(ring, tmp);
183 amdgpu_ring_write(ring, 0xFFFFF);
184
185 /* Clear timeout status bits */
186 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_TIMEOUT_STATUS, 0));
187 amdgpu_ring_write(ring, 0x8);
188
189 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CNTL, 0));
190 amdgpu_ring_write(ring, 3);
191
192 amdgpu_ring_commit(ring);
193
194done:
195 /* lower clocks again */
196 amdgpu_asic_set_uvd_clocks(adev, 0, 0);
197
198 if (!r)
199 DRM_INFO("UVD initialized successfully.\n");
200
201 return r;
202}
203
204/**
205 * uvd_v4_2_hw_fini - stop the hardware block
206 *
207 * @adev: amdgpu_device pointer
208 *
209 * Stop the UVD block, mark ring as not ready any more
210 */
211static int uvd_v4_2_hw_fini(void *handle)
212{
213 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
214 struct amdgpu_ring *ring = &adev->uvd.ring;
215
216 uvd_v4_2_stop(adev);
217 ring->ready = false;
218
219 return 0;
220}
221
222static int uvd_v4_2_suspend(void *handle)
223{
224 int r;
225 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
226
227 r = uvd_v4_2_hw_fini(adev);
228 if (r)
229 return r;
230
231 r = amdgpu_uvd_suspend(adev);
232 if (r)
233 return r;
234
235 return r;
236}
237
238static int uvd_v4_2_resume(void *handle)
239{
240 int r;
241 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
242
243 r = amdgpu_uvd_resume(adev);
244 if (r)
245 return r;
246
247 r = uvd_v4_2_hw_init(adev);
248 if (r)
249 return r;
250
251 return r;
252}
253
254/**
255 * uvd_v4_2_start - start UVD block
256 *
257 * @adev: amdgpu_device pointer
258 *
259 * Setup and start the UVD block
260 */
261static int uvd_v4_2_start(struct amdgpu_device *adev)
262{
263 struct amdgpu_ring *ring = &adev->uvd.ring;
264 uint32_t rb_bufsz;
265 int i, j, r;
266
267 /* disable byte swapping */
268 u32 lmi_swap_cntl = 0;
269 u32 mp_swap_cntl = 0;
270
271 uvd_v4_2_mc_resume(adev);
272
273 /* disable clock gating */
274 WREG32(mmUVD_CGC_GATE, 0);
275
276 /* disable interupt */
277 WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1));
278
279 /* Stall UMC and register bus before resetting VCPU */
280 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
281 mdelay(1);
282
283 /* put LMI, VCPU, RBC etc... into reset */
284 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK |
285 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK |
286 UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | UVD_SOFT_RESET__CSM_SOFT_RESET_MASK |
287 UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | UVD_SOFT_RESET__TAP_SOFT_RESET_MASK |
288 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
289 mdelay(5);
290
291 /* take UVD block out of reset */
292 WREG32_P(mmSRBM_SOFT_RESET, 0, ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK);
293 mdelay(5);
294
295 /* initialize UVD memory controller */
296 WREG32(mmUVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) |
297 (1 << 21) | (1 << 9) | (1 << 20));
298
299#ifdef __BIG_ENDIAN
300 /* swap (8 in 32) RB and IB */
301 lmi_swap_cntl = 0xa;
302 mp_swap_cntl = 0;
303#endif
304 WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
305 WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl);
306
307 WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040);
308 WREG32(mmUVD_MPC_SET_MUXA1, 0x0);
309 WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040);
310 WREG32(mmUVD_MPC_SET_MUXB1, 0x0);
311 WREG32(mmUVD_MPC_SET_ALU, 0);
312 WREG32(mmUVD_MPC_SET_MUX, 0x88);
313
314 /* take all subblocks out of reset, except VCPU */
315 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
316 mdelay(5);
317
318 /* enable VCPU clock */
319 WREG32(mmUVD_VCPU_CNTL, 1 << 9);
320
321 /* enable UMC */
322 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8));
323
324 /* boot up the VCPU */
325 WREG32(mmUVD_SOFT_RESET, 0);
326 mdelay(10);
327
328 for (i = 0; i < 10; ++i) {
329 uint32_t status;
330 for (j = 0; j < 100; ++j) {
331 status = RREG32(mmUVD_STATUS);
332 if (status & 2)
333 break;
334 mdelay(10);
335 }
336 r = 0;
337 if (status & 2)
338 break;
339
340 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n");
341 WREG32_P(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
342 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
343 mdelay(10);
344 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
345 mdelay(10);
346 r = -1;
347 }
348
349 if (r) {
350 DRM_ERROR("UVD not responding, giving up!!!\n");
351 return r;
352 }
353
354 /* enable interupt */
355 WREG32_P(mmUVD_MASTINT_EN, 3<<1, ~(3 << 1));
356
357 /* force RBC into idle state */
358 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101);
359
360 /* Set the write pointer delay */
361 WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0);
362
363 /* programm the 4GB memory segment for rptr and ring buffer */
364 WREG32(mmUVD_LMI_EXT40_ADDR, upper_32_bits(ring->gpu_addr) |
365 (0x7 << 16) | (0x1 << 31));
366
367 /* Initialize the ring buffer's read and write pointers */
368 WREG32(mmUVD_RBC_RB_RPTR, 0x0);
369
370 ring->wptr = RREG32(mmUVD_RBC_RB_RPTR);
371 WREG32(mmUVD_RBC_RB_WPTR, ring->wptr);
372
373 /* set the ring address */
374 WREG32(mmUVD_RBC_RB_BASE, ring->gpu_addr);
375
376 /* Set ring buffer size */
377 rb_bufsz = order_base_2(ring->ring_size);
378 rb_bufsz = (0x1 << 8) | rb_bufsz;
379 WREG32_P(mmUVD_RBC_RB_CNTL, rb_bufsz, ~0x11f1f);
380
381 return 0;
382}
383
384/**
385 * uvd_v4_2_stop - stop UVD block
386 *
387 * @adev: amdgpu_device pointer
388 *
389 * stop the UVD block
390 */
391static void uvd_v4_2_stop(struct amdgpu_device *adev)
392{
393 /* force RBC into idle state */
394 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101);
395
396 /* Stall UMC and register bus before resetting VCPU */
397 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
398 mdelay(1);
399
400 /* put VCPU into reset */
401 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
402 mdelay(5);
403
404 /* disable VCPU clock */
405 WREG32(mmUVD_VCPU_CNTL, 0x0);
406
407 /* Unstall UMC and register bus */
408 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8));
409}
410
411/**
412 * uvd_v4_2_ring_emit_fence - emit an fence & trap command
413 *
414 * @ring: amdgpu_ring pointer
415 * @fence: fence to emit
416 *
417 * Write a fence and a trap command to the ring.
418 */
419static void uvd_v4_2_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
420 unsigned flags)
421{
422 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
423
424 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0));
425 amdgpu_ring_write(ring, seq);
426 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
427 amdgpu_ring_write(ring, addr & 0xffffffff);
428 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
429 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
430 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
431 amdgpu_ring_write(ring, 0);
432
433 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
434 amdgpu_ring_write(ring, 0);
435 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
436 amdgpu_ring_write(ring, 0);
437 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
438 amdgpu_ring_write(ring, 2);
439}
440
441/**
442 * uvd_v4_2_ring_test_ring - register write test
443 *
444 * @ring: amdgpu_ring pointer
445 *
446 * Test if we can successfully write to the context register
447 */
448static int uvd_v4_2_ring_test_ring(struct amdgpu_ring *ring)
449{
450 struct amdgpu_device *adev = ring->adev;
451 uint32_t tmp = 0;
452 unsigned i;
453 int r;
454
455 WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD);
456 r = amdgpu_ring_alloc(ring, 3);
457 if (r) {
458 DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
459 ring->idx, r);
460 return r;
461 }
462 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0));
463 amdgpu_ring_write(ring, 0xDEADBEEF);
464 amdgpu_ring_commit(ring);
465 for (i = 0; i < adev->usec_timeout; i++) {
466 tmp = RREG32(mmUVD_CONTEXT_ID);
467 if (tmp == 0xDEADBEEF)
468 break;
469 DRM_UDELAY(1);
470 }
471
472 if (i < adev->usec_timeout) {
473 DRM_INFO("ring test on %d succeeded in %d usecs\n",
474 ring->idx, i);
475 } else {
476 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n",
477 ring->idx, tmp);
478 r = -EINVAL;
479 }
480 return r;
481}
482
483/**
484 * uvd_v4_2_ring_emit_ib - execute indirect buffer
485 *
486 * @ring: amdgpu_ring pointer
487 * @ib: indirect buffer to execute
488 *
489 * Write ring commands to execute the indirect buffer
490 */
491static void uvd_v4_2_ring_emit_ib(struct amdgpu_ring *ring,
492 struct amdgpu_ib *ib)
493{
494 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_BASE, 0));
495 amdgpu_ring_write(ring, ib->gpu_addr);
496 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0));
497 amdgpu_ring_write(ring, ib->length_dw);
498}
499
500/**
501 * uvd_v4_2_ring_test_ib - test ib execution
502 *
503 * @ring: amdgpu_ring pointer
504 *
505 * Test if we can successfully execute an IB
506 */
507static int uvd_v4_2_ring_test_ib(struct amdgpu_ring *ring)
508{
509 struct amdgpu_device *adev = ring->adev;
510 struct fence *fence = NULL;
511 int r;
512
513 r = amdgpu_asic_set_uvd_clocks(adev, 53300, 40000);
514 if (r) {
515 DRM_ERROR("amdgpu: failed to raise UVD clocks (%d).\n", r);
516 return r;
517 }
518
519 r = amdgpu_uvd_get_create_msg(ring, 1, NULL);
520 if (r) {
521 DRM_ERROR("amdgpu: failed to get create msg (%d).\n", r);
522 goto error;
523 }
524
525 r = amdgpu_uvd_get_destroy_msg(ring, 1, true, &fence);
526 if (r) {
527 DRM_ERROR("amdgpu: failed to get destroy ib (%d).\n", r);
528 goto error;
529 }
530
531 r = fence_wait(fence, false);
532 if (r) {
533 DRM_ERROR("amdgpu: fence wait failed (%d).\n", r);
534 goto error;
535 }
536 DRM_INFO("ib test on ring %d succeeded\n", ring->idx);
537error:
538 fence_put(fence);
539 amdgpu_asic_set_uvd_clocks(adev, 0, 0);
540 return r;
541}
542
543/**
544 * uvd_v4_2_mc_resume - memory controller programming
545 *
546 * @adev: amdgpu_device pointer
547 *
548 * Let the UVD memory controller know it's offsets
549 */
550static void uvd_v4_2_mc_resume(struct amdgpu_device *adev)
551{
552 uint64_t addr;
553 uint32_t size;
554
555 /* programm the VCPU memory controller bits 0-27 */
556 addr = (adev->uvd.gpu_addr + AMDGPU_UVD_FIRMWARE_OFFSET) >> 3;
557 size = AMDGPU_GPU_PAGE_ALIGN(adev->uvd.fw->size + 4) >> 3;
558 WREG32(mmUVD_VCPU_CACHE_OFFSET0, addr);
559 WREG32(mmUVD_VCPU_CACHE_SIZE0, size);
560
561 addr += size;
562 size = AMDGPU_UVD_STACK_SIZE >> 3;
563 WREG32(mmUVD_VCPU_CACHE_OFFSET1, addr);
564 WREG32(mmUVD_VCPU_CACHE_SIZE1, size);
565
566 addr += size;
567 size = AMDGPU_UVD_HEAP_SIZE >> 3;
568 WREG32(mmUVD_VCPU_CACHE_OFFSET2, addr);
569 WREG32(mmUVD_VCPU_CACHE_SIZE2, size);
570
571 /* bits 28-31 */
572 addr = (adev->uvd.gpu_addr >> 28) & 0xF;
573 WREG32(mmUVD_LMI_ADDR_EXT, (addr << 12) | (addr << 0));
574
575 /* bits 32-39 */
576 addr = (adev->uvd.gpu_addr >> 32) & 0xFF;
577 WREG32(mmUVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));
578
579 WREG32(mmUVD_UDEC_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
580 WREG32(mmUVD_UDEC_DB_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
581 WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
582
583 uvd_v4_2_init_cg(adev);
584}
585
586static void uvd_v4_2_enable_mgcg(struct amdgpu_device *adev,
587 bool enable)
588{
589 u32 orig, data;
590
591 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) {
592 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL);
593 data = 0xfff;
594 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data);
595
596 orig = data = RREG32(mmUVD_CGC_CTRL);
597 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
598 if (orig != data)
599 WREG32(mmUVD_CGC_CTRL, data);
600 } else {
601 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL);
602 data &= ~0xfff;
603 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data);
604
605 orig = data = RREG32(mmUVD_CGC_CTRL);
606 data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
607 if (orig != data)
608 WREG32(mmUVD_CGC_CTRL, data);
609 }
610}
611
612static void uvd_v4_2_set_dcm(struct amdgpu_device *adev,
613 bool sw_mode)
614{
615 u32 tmp, tmp2;
616
617 tmp = RREG32(mmUVD_CGC_CTRL);
618 tmp &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK);
619 tmp |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK |
620 (1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT) |
621 (4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT);
622
623 if (sw_mode) {
624 tmp &= ~0x7ffff800;
625 tmp2 = UVD_CGC_CTRL2__DYN_OCLK_RAMP_EN_MASK |
626 UVD_CGC_CTRL2__DYN_RCLK_RAMP_EN_MASK |
627 (7 << UVD_CGC_CTRL2__GATER_DIV_ID__SHIFT);
628 } else {
629 tmp |= 0x7ffff800;
630 tmp2 = 0;
631 }
632
633 WREG32(mmUVD_CGC_CTRL, tmp);
634 WREG32_UVD_CTX(ixUVD_CGC_CTRL2, tmp2);
635}
636
637static void uvd_v4_2_init_cg(struct amdgpu_device *adev)
638{
639 bool hw_mode = true;
640
641 if (hw_mode) {
642 uvd_v4_2_set_dcm(adev, false);
643 } else {
644 u32 tmp = RREG32(mmUVD_CGC_CTRL);
645 tmp &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
646 WREG32(mmUVD_CGC_CTRL, tmp);
647 }
648}
649
650static bool uvd_v4_2_is_idle(void *handle)
651{
652 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
653
654 return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK);
655}
656
657static int uvd_v4_2_wait_for_idle(void *handle)
658{
659 unsigned i;
660 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
661
662 for (i = 0; i < adev->usec_timeout; i++) {
663 if (!(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK))
664 return 0;
665 }
666 return -ETIMEDOUT;
667}
668
669static int uvd_v4_2_soft_reset(void *handle)
670{
671 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
672
673 uvd_v4_2_stop(adev);
674
675 WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK,
676 ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK);
677 mdelay(5);
678
679 return uvd_v4_2_start(adev);
680}
681
682static void uvd_v4_2_print_status(void *handle)
683{
684 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
685 dev_info(adev->dev, "UVD 4.2 registers\n");
686 dev_info(adev->dev, " UVD_SEMA_ADDR_LOW=0x%08X\n",
687 RREG32(mmUVD_SEMA_ADDR_LOW));
688 dev_info(adev->dev, " UVD_SEMA_ADDR_HIGH=0x%08X\n",
689 RREG32(mmUVD_SEMA_ADDR_HIGH));
690 dev_info(adev->dev, " UVD_SEMA_CMD=0x%08X\n",
691 RREG32(mmUVD_SEMA_CMD));
692 dev_info(adev->dev, " UVD_GPCOM_VCPU_CMD=0x%08X\n",
693 RREG32(mmUVD_GPCOM_VCPU_CMD));
694 dev_info(adev->dev, " UVD_GPCOM_VCPU_DATA0=0x%08X\n",
695 RREG32(mmUVD_GPCOM_VCPU_DATA0));
696 dev_info(adev->dev, " UVD_GPCOM_VCPU_DATA1=0x%08X\n",
697 RREG32(mmUVD_GPCOM_VCPU_DATA1));
698 dev_info(adev->dev, " UVD_ENGINE_CNTL=0x%08X\n",
699 RREG32(mmUVD_ENGINE_CNTL));
700 dev_info(adev->dev, " UVD_UDEC_ADDR_CONFIG=0x%08X\n",
701 RREG32(mmUVD_UDEC_ADDR_CONFIG));
702 dev_info(adev->dev, " UVD_UDEC_DB_ADDR_CONFIG=0x%08X\n",
703 RREG32(mmUVD_UDEC_DB_ADDR_CONFIG));
704 dev_info(adev->dev, " UVD_UDEC_DBW_ADDR_CONFIG=0x%08X\n",
705 RREG32(mmUVD_UDEC_DBW_ADDR_CONFIG));
706 dev_info(adev->dev, " UVD_SEMA_CNTL=0x%08X\n",
707 RREG32(mmUVD_SEMA_CNTL));
708 dev_info(adev->dev, " UVD_LMI_EXT40_ADDR=0x%08X\n",
709 RREG32(mmUVD_LMI_EXT40_ADDR));
710 dev_info(adev->dev, " UVD_CTX_INDEX=0x%08X\n",
711 RREG32(mmUVD_CTX_INDEX));
712 dev_info(adev->dev, " UVD_CTX_DATA=0x%08X\n",
713 RREG32(mmUVD_CTX_DATA));
714 dev_info(adev->dev, " UVD_CGC_GATE=0x%08X\n",
715 RREG32(mmUVD_CGC_GATE));
716 dev_info(adev->dev, " UVD_CGC_CTRL=0x%08X\n",
717 RREG32(mmUVD_CGC_CTRL));
718 dev_info(adev->dev, " UVD_LMI_CTRL2=0x%08X\n",
719 RREG32(mmUVD_LMI_CTRL2));
720 dev_info(adev->dev, " UVD_MASTINT_EN=0x%08X\n",
721 RREG32(mmUVD_MASTINT_EN));
722 dev_info(adev->dev, " UVD_LMI_ADDR_EXT=0x%08X\n",
723 RREG32(mmUVD_LMI_ADDR_EXT));
724 dev_info(adev->dev, " UVD_LMI_CTRL=0x%08X\n",
725 RREG32(mmUVD_LMI_CTRL));
726 dev_info(adev->dev, " UVD_LMI_SWAP_CNTL=0x%08X\n",
727 RREG32(mmUVD_LMI_SWAP_CNTL));
728 dev_info(adev->dev, " UVD_MP_SWAP_CNTL=0x%08X\n",
729 RREG32(mmUVD_MP_SWAP_CNTL));
730 dev_info(adev->dev, " UVD_MPC_SET_MUXA0=0x%08X\n",
731 RREG32(mmUVD_MPC_SET_MUXA0));
732 dev_info(adev->dev, " UVD_MPC_SET_MUXA1=0x%08X\n",
733 RREG32(mmUVD_MPC_SET_MUXA1));
734 dev_info(adev->dev, " UVD_MPC_SET_MUXB0=0x%08X\n",
735 RREG32(mmUVD_MPC_SET_MUXB0));
736 dev_info(adev->dev, " UVD_MPC_SET_MUXB1=0x%08X\n",
737 RREG32(mmUVD_MPC_SET_MUXB1));
738 dev_info(adev->dev, " UVD_MPC_SET_MUX=0x%08X\n",
739 RREG32(mmUVD_MPC_SET_MUX));
740 dev_info(adev->dev, " UVD_MPC_SET_ALU=0x%08X\n",
741 RREG32(mmUVD_MPC_SET_ALU));
742 dev_info(adev->dev, " UVD_VCPU_CACHE_OFFSET0=0x%08X\n",
743 RREG32(mmUVD_VCPU_CACHE_OFFSET0));
744 dev_info(adev->dev, " UVD_VCPU_CACHE_SIZE0=0x%08X\n",
745 RREG32(mmUVD_VCPU_CACHE_SIZE0));
746 dev_info(adev->dev, " UVD_VCPU_CACHE_OFFSET1=0x%08X\n",
747 RREG32(mmUVD_VCPU_CACHE_OFFSET1));
748 dev_info(adev->dev, " UVD_VCPU_CACHE_SIZE1=0x%08X\n",
749 RREG32(mmUVD_VCPU_CACHE_SIZE1));
750 dev_info(adev->dev, " UVD_VCPU_CACHE_OFFSET2=0x%08X\n",
751 RREG32(mmUVD_VCPU_CACHE_OFFSET2));
752 dev_info(adev->dev, " UVD_VCPU_CACHE_SIZE2=0x%08X\n",
753 RREG32(mmUVD_VCPU_CACHE_SIZE2));
754 dev_info(adev->dev, " UVD_VCPU_CNTL=0x%08X\n",
755 RREG32(mmUVD_VCPU_CNTL));
756 dev_info(adev->dev, " UVD_SOFT_RESET=0x%08X\n",
757 RREG32(mmUVD_SOFT_RESET));
758 dev_info(adev->dev, " UVD_RBC_IB_BASE=0x%08X\n",
759 RREG32(mmUVD_RBC_IB_BASE));
760 dev_info(adev->dev, " UVD_RBC_IB_SIZE=0x%08X\n",
761 RREG32(mmUVD_RBC_IB_SIZE));
762 dev_info(adev->dev, " UVD_RBC_RB_BASE=0x%08X\n",
763 RREG32(mmUVD_RBC_RB_BASE));
764 dev_info(adev->dev, " UVD_RBC_RB_RPTR=0x%08X\n",
765 RREG32(mmUVD_RBC_RB_RPTR));
766 dev_info(adev->dev, " UVD_RBC_RB_WPTR=0x%08X\n",
767 RREG32(mmUVD_RBC_RB_WPTR));
768 dev_info(adev->dev, " UVD_RBC_RB_WPTR_CNTL=0x%08X\n",
769 RREG32(mmUVD_RBC_RB_WPTR_CNTL));
770 dev_info(adev->dev, " UVD_RBC_RB_CNTL=0x%08X\n",
771 RREG32(mmUVD_RBC_RB_CNTL));
772 dev_info(adev->dev, " UVD_STATUS=0x%08X\n",
773 RREG32(mmUVD_STATUS));
774 dev_info(adev->dev, " UVD_SEMA_TIMEOUT_STATUS=0x%08X\n",
775 RREG32(mmUVD_SEMA_TIMEOUT_STATUS));
776 dev_info(adev->dev, " UVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL=0x%08X\n",
777 RREG32(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL));
778 dev_info(adev->dev, " UVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL=0x%08X\n",
779 RREG32(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL));
780 dev_info(adev->dev, " UVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL=0x%08X\n",
781 RREG32(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL));
782 dev_info(adev->dev, " UVD_CONTEXT_ID=0x%08X\n",
783 RREG32(mmUVD_CONTEXT_ID));
784 dev_info(adev->dev, " UVD_UDEC_ADDR_CONFIG=0x%08X\n",
785 RREG32(mmUVD_UDEC_ADDR_CONFIG));
786 dev_info(adev->dev, " UVD_UDEC_DB_ADDR_CONFIG=0x%08X\n",
787 RREG32(mmUVD_UDEC_DB_ADDR_CONFIG));
788 dev_info(adev->dev, " UVD_UDEC_DBW_ADDR_CONFIG=0x%08X\n",
789 RREG32(mmUVD_UDEC_DBW_ADDR_CONFIG));
790
791}
792
793static int uvd_v4_2_set_interrupt_state(struct amdgpu_device *adev,
794 struct amdgpu_irq_src *source,
795 unsigned type,
796 enum amdgpu_interrupt_state state)
797{
798 // TODO
799 return 0;
800}
801
802static int uvd_v4_2_process_interrupt(struct amdgpu_device *adev,
803 struct amdgpu_irq_src *source,
804 struct amdgpu_iv_entry *entry)
805{
806 DRM_DEBUG("IH: UVD TRAP\n");
807 amdgpu_fence_process(&adev->uvd.ring);
808 return 0;
809}
810
811static int uvd_v4_2_set_clockgating_state(void *handle,
812 enum amd_clockgating_state state)
813{
814 bool gate = false;
815 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
816
817 if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG))
818 return 0;
819
820 if (state == AMD_CG_STATE_GATE)
821 gate = true;
822
823 uvd_v4_2_enable_mgcg(adev, gate);
824
825 return 0;
826}
827
828static int uvd_v4_2_set_powergating_state(void *handle,
829 enum amd_powergating_state state)
830{
831 /* This doesn't actually powergate the UVD block.
832 * That's done in the dpm code via the SMC. This
833 * just re-inits the block as necessary. The actual
834 * gating still happens in the dpm code. We should
835 * revisit this when there is a cleaner line between
836 * the smc and the hw blocks
837 */
838 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
839
840 if (!(adev->pg_flags & AMD_PG_SUPPORT_UVD))
841 return 0;
842
843 if (state == AMD_PG_STATE_GATE) {
844 uvd_v4_2_stop(adev);
845 return 0;
846 } else {
847 return uvd_v4_2_start(adev);
848 }
849}
850
851const struct amd_ip_funcs uvd_v4_2_ip_funcs = {
852 .early_init = uvd_v4_2_early_init,
853 .late_init = NULL,
854 .sw_init = uvd_v4_2_sw_init,
855 .sw_fini = uvd_v4_2_sw_fini,
856 .hw_init = uvd_v4_2_hw_init,
857 .hw_fini = uvd_v4_2_hw_fini,
858 .suspend = uvd_v4_2_suspend,
859 .resume = uvd_v4_2_resume,
860 .is_idle = uvd_v4_2_is_idle,
861 .wait_for_idle = uvd_v4_2_wait_for_idle,
862 .soft_reset = uvd_v4_2_soft_reset,
863 .print_status = uvd_v4_2_print_status,
864 .set_clockgating_state = uvd_v4_2_set_clockgating_state,
865 .set_powergating_state = uvd_v4_2_set_powergating_state,
866};
867
868static const struct amdgpu_ring_funcs uvd_v4_2_ring_funcs = {
869 .get_rptr = uvd_v4_2_ring_get_rptr,
870 .get_wptr = uvd_v4_2_ring_get_wptr,
871 .set_wptr = uvd_v4_2_ring_set_wptr,
872 .parse_cs = amdgpu_uvd_ring_parse_cs,
873 .emit_ib = uvd_v4_2_ring_emit_ib,
874 .emit_fence = uvd_v4_2_ring_emit_fence,
875 .test_ring = uvd_v4_2_ring_test_ring,
876 .test_ib = uvd_v4_2_ring_test_ib,
877 .insert_nop = amdgpu_ring_insert_nop,
878 .pad_ib = amdgpu_ring_generic_pad_ib,
879};
880
881static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev)
882{
883 adev->uvd.ring.funcs = &uvd_v4_2_ring_funcs;
884}
885
886static const struct amdgpu_irq_src_funcs uvd_v4_2_irq_funcs = {
887 .set = uvd_v4_2_set_interrupt_state,
888 .process = uvd_v4_2_process_interrupt,
889};
890
891static void uvd_v4_2_set_irq_funcs(struct amdgpu_device *adev)
892{
893 adev->uvd.irq.num_types = 1;
894 adev->uvd.irq.funcs = &uvd_v4_2_irq_funcs;
895}
1/*
2 * Copyright 2013 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 * Authors: Christian König <christian.koenig@amd.com>
23 */
24
25#include <linux/firmware.h>
26#include <drm/drmP.h>
27#include "amdgpu.h"
28#include "amdgpu_uvd.h"
29#include "cikd.h"
30
31#include "uvd/uvd_4_2_d.h"
32#include "uvd/uvd_4_2_sh_mask.h"
33
34#include "oss/oss_2_0_d.h"
35#include "oss/oss_2_0_sh_mask.h"
36
37#include "bif/bif_4_1_d.h"
38
39#include "smu/smu_7_0_1_d.h"
40#include "smu/smu_7_0_1_sh_mask.h"
41
42static void uvd_v4_2_mc_resume(struct amdgpu_device *adev);
43static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev);
44static void uvd_v4_2_set_irq_funcs(struct amdgpu_device *adev);
45static int uvd_v4_2_start(struct amdgpu_device *adev);
46static void uvd_v4_2_stop(struct amdgpu_device *adev);
47static int uvd_v4_2_set_clockgating_state(void *handle,
48 enum amd_clockgating_state state);
49static void uvd_v4_2_set_dcm(struct amdgpu_device *adev,
50 bool sw_mode);
51/**
52 * uvd_v4_2_ring_get_rptr - get read pointer
53 *
54 * @ring: amdgpu_ring pointer
55 *
56 * Returns the current hardware read pointer
57 */
58static uint32_t uvd_v4_2_ring_get_rptr(struct amdgpu_ring *ring)
59{
60 struct amdgpu_device *adev = ring->adev;
61
62 return RREG32(mmUVD_RBC_RB_RPTR);
63}
64
65/**
66 * uvd_v4_2_ring_get_wptr - get write pointer
67 *
68 * @ring: amdgpu_ring pointer
69 *
70 * Returns the current hardware write pointer
71 */
72static uint32_t uvd_v4_2_ring_get_wptr(struct amdgpu_ring *ring)
73{
74 struct amdgpu_device *adev = ring->adev;
75
76 return RREG32(mmUVD_RBC_RB_WPTR);
77}
78
79/**
80 * uvd_v4_2_ring_set_wptr - set write pointer
81 *
82 * @ring: amdgpu_ring pointer
83 *
84 * Commits the write pointer to the hardware
85 */
86static void uvd_v4_2_ring_set_wptr(struct amdgpu_ring *ring)
87{
88 struct amdgpu_device *adev = ring->adev;
89
90 WREG32(mmUVD_RBC_RB_WPTR, ring->wptr);
91}
92
93static int uvd_v4_2_early_init(void *handle)
94{
95 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
96
97 uvd_v4_2_set_ring_funcs(adev);
98 uvd_v4_2_set_irq_funcs(adev);
99
100 return 0;
101}
102
103static int uvd_v4_2_sw_init(void *handle)
104{
105 struct amdgpu_ring *ring;
106 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
107 int r;
108
109 /* UVD TRAP */
110 r = amdgpu_irq_add_id(adev, 124, &adev->uvd.irq);
111 if (r)
112 return r;
113
114 r = amdgpu_uvd_sw_init(adev);
115 if (r)
116 return r;
117
118 r = amdgpu_uvd_resume(adev);
119 if (r)
120 return r;
121
122 ring = &adev->uvd.ring;
123 sprintf(ring->name, "uvd");
124 r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.irq, 0);
125
126 return r;
127}
128
129static int uvd_v4_2_sw_fini(void *handle)
130{
131 int r;
132 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
133
134 r = amdgpu_uvd_suspend(adev);
135 if (r)
136 return r;
137
138 r = amdgpu_uvd_sw_fini(adev);
139 if (r)
140 return r;
141
142 return r;
143}
144static void uvd_v4_2_enable_mgcg(struct amdgpu_device *adev,
145 bool enable);
146/**
147 * uvd_v4_2_hw_init - start and test UVD block
148 *
149 * @adev: amdgpu_device pointer
150 *
151 * Initialize the hardware, boot up the VCPU and do some testing
152 */
153static int uvd_v4_2_hw_init(void *handle)
154{
155 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
156 struct amdgpu_ring *ring = &adev->uvd.ring;
157 uint32_t tmp;
158 int r;
159
160 uvd_v4_2_enable_mgcg(adev, true);
161 amdgpu_asic_set_uvd_clocks(adev, 10000, 10000);
162 r = uvd_v4_2_start(adev);
163 if (r)
164 goto done;
165
166 ring->ready = true;
167 r = amdgpu_ring_test_ring(ring);
168 if (r) {
169 ring->ready = false;
170 goto done;
171 }
172
173 r = amdgpu_ring_alloc(ring, 10);
174 if (r) {
175 DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r);
176 goto done;
177 }
178
179 tmp = PACKET0(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0);
180 amdgpu_ring_write(ring, tmp);
181 amdgpu_ring_write(ring, 0xFFFFF);
182
183 tmp = PACKET0(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0);
184 amdgpu_ring_write(ring, tmp);
185 amdgpu_ring_write(ring, 0xFFFFF);
186
187 tmp = PACKET0(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0);
188 amdgpu_ring_write(ring, tmp);
189 amdgpu_ring_write(ring, 0xFFFFF);
190
191 /* Clear timeout status bits */
192 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_TIMEOUT_STATUS, 0));
193 amdgpu_ring_write(ring, 0x8);
194
195 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CNTL, 0));
196 amdgpu_ring_write(ring, 3);
197
198 amdgpu_ring_commit(ring);
199
200done:
201
202 if (!r)
203 DRM_INFO("UVD initialized successfully.\n");
204
205 return r;
206}
207
208/**
209 * uvd_v4_2_hw_fini - stop the hardware block
210 *
211 * @adev: amdgpu_device pointer
212 *
213 * Stop the UVD block, mark ring as not ready any more
214 */
215static int uvd_v4_2_hw_fini(void *handle)
216{
217 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
218 struct amdgpu_ring *ring = &adev->uvd.ring;
219
220 uvd_v4_2_stop(adev);
221 ring->ready = false;
222
223 return 0;
224}
225
226static int uvd_v4_2_suspend(void *handle)
227{
228 int r;
229 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
230
231 r = uvd_v4_2_hw_fini(adev);
232 if (r)
233 return r;
234
235 r = amdgpu_uvd_suspend(adev);
236 if (r)
237 return r;
238
239 return r;
240}
241
242static int uvd_v4_2_resume(void *handle)
243{
244 int r;
245 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
246
247 r = amdgpu_uvd_resume(adev);
248 if (r)
249 return r;
250
251 r = uvd_v4_2_hw_init(adev);
252 if (r)
253 return r;
254
255 return r;
256}
257
258/**
259 * uvd_v4_2_start - start UVD block
260 *
261 * @adev: amdgpu_device pointer
262 *
263 * Setup and start the UVD block
264 */
265static int uvd_v4_2_start(struct amdgpu_device *adev)
266{
267 struct amdgpu_ring *ring = &adev->uvd.ring;
268 uint32_t rb_bufsz;
269 int i, j, r;
270 /* disable byte swapping */
271 u32 lmi_swap_cntl = 0;
272 u32 mp_swap_cntl = 0;
273
274 WREG32(mmUVD_CGC_GATE, 0);
275 uvd_v4_2_set_dcm(adev, true);
276
277 uvd_v4_2_mc_resume(adev);
278
279 /* disable interupt */
280 WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1));
281
282 /* Stall UMC and register bus before resetting VCPU */
283 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
284 mdelay(1);
285
286 /* put LMI, VCPU, RBC etc... into reset */
287 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK |
288 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK |
289 UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | UVD_SOFT_RESET__CSM_SOFT_RESET_MASK |
290 UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | UVD_SOFT_RESET__TAP_SOFT_RESET_MASK |
291 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
292 mdelay(5);
293
294 /* take UVD block out of reset */
295 WREG32_P(mmSRBM_SOFT_RESET, 0, ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK);
296 mdelay(5);
297
298 /* initialize UVD memory controller */
299 WREG32(mmUVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) |
300 (1 << 21) | (1 << 9) | (1 << 20));
301
302#ifdef __BIG_ENDIAN
303 /* swap (8 in 32) RB and IB */
304 lmi_swap_cntl = 0xa;
305 mp_swap_cntl = 0;
306#endif
307 WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
308 WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl);
309
310 WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040);
311 WREG32(mmUVD_MPC_SET_MUXA1, 0x0);
312 WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040);
313 WREG32(mmUVD_MPC_SET_MUXB1, 0x0);
314 WREG32(mmUVD_MPC_SET_ALU, 0);
315 WREG32(mmUVD_MPC_SET_MUX, 0x88);
316
317 /* take all subblocks out of reset, except VCPU */
318 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
319 mdelay(5);
320
321 /* enable VCPU clock */
322 WREG32(mmUVD_VCPU_CNTL, 1 << 9);
323
324 /* enable UMC */
325 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8));
326
327 /* boot up the VCPU */
328 WREG32(mmUVD_SOFT_RESET, 0);
329 mdelay(10);
330
331 for (i = 0; i < 10; ++i) {
332 uint32_t status;
333 for (j = 0; j < 100; ++j) {
334 status = RREG32(mmUVD_STATUS);
335 if (status & 2)
336 break;
337 mdelay(10);
338 }
339 r = 0;
340 if (status & 2)
341 break;
342
343 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n");
344 WREG32_P(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
345 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
346 mdelay(10);
347 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
348 mdelay(10);
349 r = -1;
350 }
351
352 if (r) {
353 DRM_ERROR("UVD not responding, giving up!!!\n");
354 return r;
355 }
356
357 /* enable interupt */
358 WREG32_P(mmUVD_MASTINT_EN, 3<<1, ~(3 << 1));
359
360 /* force RBC into idle state */
361 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101);
362
363 /* Set the write pointer delay */
364 WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0);
365
366 /* programm the 4GB memory segment for rptr and ring buffer */
367 WREG32(mmUVD_LMI_EXT40_ADDR, upper_32_bits(ring->gpu_addr) |
368 (0x7 << 16) | (0x1 << 31));
369
370 /* Initialize the ring buffer's read and write pointers */
371 WREG32(mmUVD_RBC_RB_RPTR, 0x0);
372
373 ring->wptr = RREG32(mmUVD_RBC_RB_RPTR);
374 WREG32(mmUVD_RBC_RB_WPTR, ring->wptr);
375
376 /* set the ring address */
377 WREG32(mmUVD_RBC_RB_BASE, ring->gpu_addr);
378
379 /* Set ring buffer size */
380 rb_bufsz = order_base_2(ring->ring_size);
381 rb_bufsz = (0x1 << 8) | rb_bufsz;
382 WREG32_P(mmUVD_RBC_RB_CNTL, rb_bufsz, ~0x11f1f);
383
384 return 0;
385}
386
387/**
388 * uvd_v4_2_stop - stop UVD block
389 *
390 * @adev: amdgpu_device pointer
391 *
392 * stop the UVD block
393 */
394static void uvd_v4_2_stop(struct amdgpu_device *adev)
395{
396 /* force RBC into idle state */
397 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101);
398
399 /* Stall UMC and register bus before resetting VCPU */
400 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
401 mdelay(1);
402
403 /* put VCPU into reset */
404 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
405 mdelay(5);
406
407 /* disable VCPU clock */
408 WREG32(mmUVD_VCPU_CNTL, 0x0);
409
410 /* Unstall UMC and register bus */
411 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8));
412
413 uvd_v4_2_set_dcm(adev, false);
414}
415
416/**
417 * uvd_v4_2_ring_emit_fence - emit an fence & trap command
418 *
419 * @ring: amdgpu_ring pointer
420 * @fence: fence to emit
421 *
422 * Write a fence and a trap command to the ring.
423 */
424static void uvd_v4_2_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
425 unsigned flags)
426{
427 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
428
429 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0));
430 amdgpu_ring_write(ring, seq);
431 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
432 amdgpu_ring_write(ring, addr & 0xffffffff);
433 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
434 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
435 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
436 amdgpu_ring_write(ring, 0);
437
438 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
439 amdgpu_ring_write(ring, 0);
440 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
441 amdgpu_ring_write(ring, 0);
442 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
443 amdgpu_ring_write(ring, 2);
444}
445
446/**
447 * uvd_v4_2_ring_emit_hdp_flush - emit an hdp flush
448 *
449 * @ring: amdgpu_ring pointer
450 *
451 * Emits an hdp flush.
452 */
453static void uvd_v4_2_ring_emit_hdp_flush(struct amdgpu_ring *ring)
454{
455 amdgpu_ring_write(ring, PACKET0(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0));
456 amdgpu_ring_write(ring, 0);
457}
458
459/**
460 * uvd_v4_2_ring_hdp_invalidate - emit an hdp invalidate
461 *
462 * @ring: amdgpu_ring pointer
463 *
464 * Emits an hdp invalidate.
465 */
466static void uvd_v4_2_ring_emit_hdp_invalidate(struct amdgpu_ring *ring)
467{
468 amdgpu_ring_write(ring, PACKET0(mmHDP_DEBUG0, 0));
469 amdgpu_ring_write(ring, 1);
470}
471
472/**
473 * uvd_v4_2_ring_test_ring - register write test
474 *
475 * @ring: amdgpu_ring pointer
476 *
477 * Test if we can successfully write to the context register
478 */
479static int uvd_v4_2_ring_test_ring(struct amdgpu_ring *ring)
480{
481 struct amdgpu_device *adev = ring->adev;
482 uint32_t tmp = 0;
483 unsigned i;
484 int r;
485
486 WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD);
487 r = amdgpu_ring_alloc(ring, 3);
488 if (r) {
489 DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
490 ring->idx, r);
491 return r;
492 }
493 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0));
494 amdgpu_ring_write(ring, 0xDEADBEEF);
495 amdgpu_ring_commit(ring);
496 for (i = 0; i < adev->usec_timeout; i++) {
497 tmp = RREG32(mmUVD_CONTEXT_ID);
498 if (tmp == 0xDEADBEEF)
499 break;
500 DRM_UDELAY(1);
501 }
502
503 if (i < adev->usec_timeout) {
504 DRM_INFO("ring test on %d succeeded in %d usecs\n",
505 ring->idx, i);
506 } else {
507 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n",
508 ring->idx, tmp);
509 r = -EINVAL;
510 }
511 return r;
512}
513
514/**
515 * uvd_v4_2_ring_emit_ib - execute indirect buffer
516 *
517 * @ring: amdgpu_ring pointer
518 * @ib: indirect buffer to execute
519 *
520 * Write ring commands to execute the indirect buffer
521 */
522static void uvd_v4_2_ring_emit_ib(struct amdgpu_ring *ring,
523 struct amdgpu_ib *ib,
524 unsigned vm_id, bool ctx_switch)
525{
526 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_BASE, 0));
527 amdgpu_ring_write(ring, ib->gpu_addr);
528 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0));
529 amdgpu_ring_write(ring, ib->length_dw);
530}
531
532/**
533 * uvd_v4_2_mc_resume - memory controller programming
534 *
535 * @adev: amdgpu_device pointer
536 *
537 * Let the UVD memory controller know it's offsets
538 */
539static void uvd_v4_2_mc_resume(struct amdgpu_device *adev)
540{
541 uint64_t addr;
542 uint32_t size;
543
544 /* programm the VCPU memory controller bits 0-27 */
545 addr = (adev->uvd.gpu_addr + AMDGPU_UVD_FIRMWARE_OFFSET) >> 3;
546 size = AMDGPU_GPU_PAGE_ALIGN(adev->uvd.fw->size + 4) >> 3;
547 WREG32(mmUVD_VCPU_CACHE_OFFSET0, addr);
548 WREG32(mmUVD_VCPU_CACHE_SIZE0, size);
549
550 addr += size;
551 size = AMDGPU_UVD_HEAP_SIZE >> 3;
552 WREG32(mmUVD_VCPU_CACHE_OFFSET1, addr);
553 WREG32(mmUVD_VCPU_CACHE_SIZE1, size);
554
555 addr += size;
556 size = (AMDGPU_UVD_STACK_SIZE +
557 (AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles)) >> 3;
558 WREG32(mmUVD_VCPU_CACHE_OFFSET2, addr);
559 WREG32(mmUVD_VCPU_CACHE_SIZE2, size);
560
561 /* bits 28-31 */
562 addr = (adev->uvd.gpu_addr >> 28) & 0xF;
563 WREG32(mmUVD_LMI_ADDR_EXT, (addr << 12) | (addr << 0));
564
565 /* bits 32-39 */
566 addr = (adev->uvd.gpu_addr >> 32) & 0xFF;
567 WREG32(mmUVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));
568
569 WREG32(mmUVD_UDEC_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
570 WREG32(mmUVD_UDEC_DB_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
571 WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
572}
573
574static void uvd_v4_2_enable_mgcg(struct amdgpu_device *adev,
575 bool enable)
576{
577 u32 orig, data;
578
579 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) {
580 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL);
581 data |= 0xfff;
582 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data);
583
584 orig = data = RREG32(mmUVD_CGC_CTRL);
585 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
586 if (orig != data)
587 WREG32(mmUVD_CGC_CTRL, data);
588 } else {
589 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL);
590 data &= ~0xfff;
591 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data);
592
593 orig = data = RREG32(mmUVD_CGC_CTRL);
594 data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
595 if (orig != data)
596 WREG32(mmUVD_CGC_CTRL, data);
597 }
598}
599
600static void uvd_v4_2_set_dcm(struct amdgpu_device *adev,
601 bool sw_mode)
602{
603 u32 tmp, tmp2;
604
605 WREG32_FIELD(UVD_CGC_GATE, REGS, 0);
606
607 tmp = RREG32(mmUVD_CGC_CTRL);
608 tmp &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK);
609 tmp |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK |
610 (1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT) |
611 (4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT);
612
613 if (sw_mode) {
614 tmp &= ~0x7ffff800;
615 tmp2 = UVD_CGC_CTRL2__DYN_OCLK_RAMP_EN_MASK |
616 UVD_CGC_CTRL2__DYN_RCLK_RAMP_EN_MASK |
617 (7 << UVD_CGC_CTRL2__GATER_DIV_ID__SHIFT);
618 } else {
619 tmp |= 0x7ffff800;
620 tmp2 = 0;
621 }
622
623 WREG32(mmUVD_CGC_CTRL, tmp);
624 WREG32_UVD_CTX(ixUVD_CGC_CTRL2, tmp2);
625}
626
627static bool uvd_v4_2_is_idle(void *handle)
628{
629 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
630
631 return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK);
632}
633
634static int uvd_v4_2_wait_for_idle(void *handle)
635{
636 unsigned i;
637 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
638
639 for (i = 0; i < adev->usec_timeout; i++) {
640 if (!(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK))
641 return 0;
642 }
643 return -ETIMEDOUT;
644}
645
646static int uvd_v4_2_soft_reset(void *handle)
647{
648 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
649
650 uvd_v4_2_stop(adev);
651
652 WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK,
653 ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK);
654 mdelay(5);
655
656 return uvd_v4_2_start(adev);
657}
658
659static int uvd_v4_2_set_interrupt_state(struct amdgpu_device *adev,
660 struct amdgpu_irq_src *source,
661 unsigned type,
662 enum amdgpu_interrupt_state state)
663{
664 // TODO
665 return 0;
666}
667
668static int uvd_v4_2_process_interrupt(struct amdgpu_device *adev,
669 struct amdgpu_irq_src *source,
670 struct amdgpu_iv_entry *entry)
671{
672 DRM_DEBUG("IH: UVD TRAP\n");
673 amdgpu_fence_process(&adev->uvd.ring);
674 return 0;
675}
676
677static int uvd_v4_2_set_clockgating_state(void *handle,
678 enum amd_clockgating_state state)
679{
680 return 0;
681}
682
683static int uvd_v4_2_set_powergating_state(void *handle,
684 enum amd_powergating_state state)
685{
686 /* This doesn't actually powergate the UVD block.
687 * That's done in the dpm code via the SMC. This
688 * just re-inits the block as necessary. The actual
689 * gating still happens in the dpm code. We should
690 * revisit this when there is a cleaner line between
691 * the smc and the hw blocks
692 */
693 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
694
695 if (state == AMD_PG_STATE_GATE) {
696 uvd_v4_2_stop(adev);
697 return 0;
698 } else {
699 return uvd_v4_2_start(adev);
700 }
701}
702
703static const struct amd_ip_funcs uvd_v4_2_ip_funcs = {
704 .name = "uvd_v4_2",
705 .early_init = uvd_v4_2_early_init,
706 .late_init = NULL,
707 .sw_init = uvd_v4_2_sw_init,
708 .sw_fini = uvd_v4_2_sw_fini,
709 .hw_init = uvd_v4_2_hw_init,
710 .hw_fini = uvd_v4_2_hw_fini,
711 .suspend = uvd_v4_2_suspend,
712 .resume = uvd_v4_2_resume,
713 .is_idle = uvd_v4_2_is_idle,
714 .wait_for_idle = uvd_v4_2_wait_for_idle,
715 .soft_reset = uvd_v4_2_soft_reset,
716 .set_clockgating_state = uvd_v4_2_set_clockgating_state,
717 .set_powergating_state = uvd_v4_2_set_powergating_state,
718};
719
720static const struct amdgpu_ring_funcs uvd_v4_2_ring_funcs = {
721 .type = AMDGPU_RING_TYPE_UVD,
722 .align_mask = 0xf,
723 .nop = PACKET0(mmUVD_NO_OP, 0),
724 .get_rptr = uvd_v4_2_ring_get_rptr,
725 .get_wptr = uvd_v4_2_ring_get_wptr,
726 .set_wptr = uvd_v4_2_ring_set_wptr,
727 .parse_cs = amdgpu_uvd_ring_parse_cs,
728 .emit_frame_size =
729 2 + /* uvd_v4_2_ring_emit_hdp_flush */
730 2 + /* uvd_v4_2_ring_emit_hdp_invalidate */
731 14, /* uvd_v4_2_ring_emit_fence x1 no user fence */
732 .emit_ib_size = 4, /* uvd_v4_2_ring_emit_ib */
733 .emit_ib = uvd_v4_2_ring_emit_ib,
734 .emit_fence = uvd_v4_2_ring_emit_fence,
735 .emit_hdp_flush = uvd_v4_2_ring_emit_hdp_flush,
736 .emit_hdp_invalidate = uvd_v4_2_ring_emit_hdp_invalidate,
737 .test_ring = uvd_v4_2_ring_test_ring,
738 .test_ib = amdgpu_uvd_ring_test_ib,
739 .insert_nop = amdgpu_ring_insert_nop,
740 .pad_ib = amdgpu_ring_generic_pad_ib,
741 .begin_use = amdgpu_uvd_ring_begin_use,
742 .end_use = amdgpu_uvd_ring_end_use,
743};
744
745static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev)
746{
747 adev->uvd.ring.funcs = &uvd_v4_2_ring_funcs;
748}
749
750static const struct amdgpu_irq_src_funcs uvd_v4_2_irq_funcs = {
751 .set = uvd_v4_2_set_interrupt_state,
752 .process = uvd_v4_2_process_interrupt,
753};
754
755static void uvd_v4_2_set_irq_funcs(struct amdgpu_device *adev)
756{
757 adev->uvd.irq.num_types = 1;
758 adev->uvd.irq.funcs = &uvd_v4_2_irq_funcs;
759}
760
761const struct amdgpu_ip_block_version uvd_v4_2_ip_block =
762{
763 .type = AMD_IP_BLOCK_TYPE_UVD,
764 .major = 4,
765 .minor = 2,
766 .rev = 0,
767 .funcs = &uvd_v4_2_ip_funcs,
768};