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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
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 uint64_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 uint64_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, lower_32_bits(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, AMDGPU_IH_CLIENTID_LEGACY, 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 return amdgpu_uvd_sw_fini(adev);
139}
140
141static void uvd_v4_2_enable_mgcg(struct amdgpu_device *adev,
142 bool enable);
143/**
144 * uvd_v4_2_hw_init - start and test UVD block
145 *
146 * @adev: amdgpu_device pointer
147 *
148 * Initialize the hardware, boot up the VCPU and do some testing
149 */
150static int uvd_v4_2_hw_init(void *handle)
151{
152 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
153 struct amdgpu_ring *ring = &adev->uvd.ring;
154 uint32_t tmp;
155 int r;
156
157 uvd_v4_2_enable_mgcg(adev, true);
158 amdgpu_asic_set_uvd_clocks(adev, 10000, 10000);
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 if (!r)
196 DRM_INFO("UVD initialized successfully.\n");
197
198 return r;
199}
200
201/**
202 * uvd_v4_2_hw_fini - stop the hardware block
203 *
204 * @adev: amdgpu_device pointer
205 *
206 * Stop the UVD block, mark ring as not ready any more
207 */
208static int uvd_v4_2_hw_fini(void *handle)
209{
210 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
211 struct amdgpu_ring *ring = &adev->uvd.ring;
212
213 if (RREG32(mmUVD_STATUS) != 0)
214 uvd_v4_2_stop(adev);
215
216 ring->ready = false;
217
218 return 0;
219}
220
221static int uvd_v4_2_suspend(void *handle)
222{
223 int r;
224 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
225
226 r = uvd_v4_2_hw_fini(adev);
227 if (r)
228 return r;
229
230 return amdgpu_uvd_suspend(adev);
231}
232
233static int uvd_v4_2_resume(void *handle)
234{
235 int r;
236 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
237
238 r = amdgpu_uvd_resume(adev);
239 if (r)
240 return r;
241
242 return uvd_v4_2_hw_init(adev);
243}
244
245/**
246 * uvd_v4_2_start - start UVD block
247 *
248 * @adev: amdgpu_device pointer
249 *
250 * Setup and start the UVD block
251 */
252static int uvd_v4_2_start(struct amdgpu_device *adev)
253{
254 struct amdgpu_ring *ring = &adev->uvd.ring;
255 uint32_t rb_bufsz;
256 int i, j, r;
257 u32 tmp;
258 /* disable byte swapping */
259 u32 lmi_swap_cntl = 0;
260 u32 mp_swap_cntl = 0;
261
262 /* set uvd busy */
263 WREG32_P(mmUVD_STATUS, 1<<2, ~(1<<2));
264
265 uvd_v4_2_set_dcm(adev, true);
266 WREG32(mmUVD_CGC_GATE, 0);
267
268 /* take UVD block out of reset */
269 WREG32_P(mmSRBM_SOFT_RESET, 0, ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK);
270 mdelay(5);
271
272 /* enable VCPU clock */
273 WREG32(mmUVD_VCPU_CNTL, 1 << 9);
274
275 /* disable interupt */
276 WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1));
277
278#ifdef __BIG_ENDIAN
279 /* swap (8 in 32) RB and IB */
280 lmi_swap_cntl = 0xa;
281 mp_swap_cntl = 0;
282#endif
283 WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
284 WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl);
285 /* initialize UVD memory controller */
286 WREG32(mmUVD_LMI_CTRL, 0x203108);
287
288 tmp = RREG32(mmUVD_MPC_CNTL);
289 WREG32(mmUVD_MPC_CNTL, tmp | 0x10);
290
291 WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040);
292 WREG32(mmUVD_MPC_SET_MUXA1, 0x0);
293 WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040);
294 WREG32(mmUVD_MPC_SET_MUXB1, 0x0);
295 WREG32(mmUVD_MPC_SET_ALU, 0);
296 WREG32(mmUVD_MPC_SET_MUX, 0x88);
297
298 uvd_v4_2_mc_resume(adev);
299
300 tmp = RREG32_UVD_CTX(ixUVD_LMI_CACHE_CTRL);
301 WREG32_UVD_CTX(ixUVD_LMI_CACHE_CTRL, tmp & (~0x10));
302
303 /* enable UMC */
304 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8));
305
306 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK);
307
308 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
309
310 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
311
312 mdelay(10);
313
314 for (i = 0; i < 10; ++i) {
315 uint32_t status;
316 for (j = 0; j < 100; ++j) {
317 status = RREG32(mmUVD_STATUS);
318 if (status & 2)
319 break;
320 mdelay(10);
321 }
322 r = 0;
323 if (status & 2)
324 break;
325
326 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n");
327 WREG32_P(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
328 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
329 mdelay(10);
330 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
331 mdelay(10);
332 r = -1;
333 }
334
335 if (r) {
336 DRM_ERROR("UVD not responding, giving up!!!\n");
337 return r;
338 }
339
340 /* enable interupt */
341 WREG32_P(mmUVD_MASTINT_EN, 3<<1, ~(3 << 1));
342
343 WREG32_P(mmUVD_STATUS, 0, ~(1<<2));
344
345 /* force RBC into idle state */
346 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101);
347
348 /* Set the write pointer delay */
349 WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0);
350
351 /* programm the 4GB memory segment for rptr and ring buffer */
352 WREG32(mmUVD_LMI_EXT40_ADDR, upper_32_bits(ring->gpu_addr) |
353 (0x7 << 16) | (0x1 << 31));
354
355 /* Initialize the ring buffer's read and write pointers */
356 WREG32(mmUVD_RBC_RB_RPTR, 0x0);
357
358 ring->wptr = RREG32(mmUVD_RBC_RB_RPTR);
359 WREG32(mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
360
361 /* set the ring address */
362 WREG32(mmUVD_RBC_RB_BASE, ring->gpu_addr);
363
364 /* Set ring buffer size */
365 rb_bufsz = order_base_2(ring->ring_size);
366 rb_bufsz = (0x1 << 8) | rb_bufsz;
367 WREG32_P(mmUVD_RBC_RB_CNTL, rb_bufsz, ~0x11f1f);
368
369 return 0;
370}
371
372/**
373 * uvd_v4_2_stop - stop UVD block
374 *
375 * @adev: amdgpu_device pointer
376 *
377 * stop the UVD block
378 */
379static void uvd_v4_2_stop(struct amdgpu_device *adev)
380{
381 uint32_t i, j;
382 uint32_t status;
383
384 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101);
385
386 for (i = 0; i < 10; ++i) {
387 for (j = 0; j < 100; ++j) {
388 status = RREG32(mmUVD_STATUS);
389 if (status & 2)
390 break;
391 mdelay(1);
392 }
393 if (status & 2)
394 break;
395 }
396
397 for (i = 0; i < 10; ++i) {
398 for (j = 0; j < 100; ++j) {
399 status = RREG32(mmUVD_LMI_STATUS);
400 if (status & 0xf)
401 break;
402 mdelay(1);
403 }
404 if (status & 0xf)
405 break;
406 }
407
408 /* Stall UMC and register bus before resetting VCPU */
409 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
410
411 for (i = 0; i < 10; ++i) {
412 for (j = 0; j < 100; ++j) {
413 status = RREG32(mmUVD_LMI_STATUS);
414 if (status & 0x240)
415 break;
416 mdelay(1);
417 }
418 if (status & 0x240)
419 break;
420 }
421
422 WREG32_P(0x3D49, 0, ~(1 << 2));
423
424 WREG32_P(mmUVD_VCPU_CNTL, 0, ~(1 << 9));
425
426 /* put LMI, VCPU, RBC etc... into reset */
427 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK |
428 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK |
429 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
430
431 WREG32(mmUVD_STATUS, 0);
432
433 uvd_v4_2_set_dcm(adev, false);
434}
435
436/**
437 * uvd_v4_2_ring_emit_fence - emit an fence & trap command
438 *
439 * @ring: amdgpu_ring pointer
440 * @fence: fence to emit
441 *
442 * Write a fence and a trap command to the ring.
443 */
444static void uvd_v4_2_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
445 unsigned flags)
446{
447 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
448
449 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0));
450 amdgpu_ring_write(ring, seq);
451 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
452 amdgpu_ring_write(ring, addr & 0xffffffff);
453 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
454 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
455 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
456 amdgpu_ring_write(ring, 0);
457
458 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
459 amdgpu_ring_write(ring, 0);
460 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
461 amdgpu_ring_write(ring, 0);
462 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
463 amdgpu_ring_write(ring, 2);
464}
465
466/**
467 * uvd_v4_2_ring_test_ring - register write test
468 *
469 * @ring: amdgpu_ring pointer
470 *
471 * Test if we can successfully write to the context register
472 */
473static int uvd_v4_2_ring_test_ring(struct amdgpu_ring *ring)
474{
475 struct amdgpu_device *adev = ring->adev;
476 uint32_t tmp = 0;
477 unsigned i;
478 int r;
479
480 WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD);
481 r = amdgpu_ring_alloc(ring, 3);
482 if (r) {
483 DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
484 ring->idx, r);
485 return r;
486 }
487 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0));
488 amdgpu_ring_write(ring, 0xDEADBEEF);
489 amdgpu_ring_commit(ring);
490 for (i = 0; i < adev->usec_timeout; i++) {
491 tmp = RREG32(mmUVD_CONTEXT_ID);
492 if (tmp == 0xDEADBEEF)
493 break;
494 DRM_UDELAY(1);
495 }
496
497 if (i < adev->usec_timeout) {
498 DRM_DEBUG("ring test on %d succeeded in %d usecs\n",
499 ring->idx, i);
500 } else {
501 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n",
502 ring->idx, tmp);
503 r = -EINVAL;
504 }
505 return r;
506}
507
508/**
509 * uvd_v4_2_ring_emit_ib - execute indirect buffer
510 *
511 * @ring: amdgpu_ring pointer
512 * @ib: indirect buffer to execute
513 *
514 * Write ring commands to execute the indirect buffer
515 */
516static void uvd_v4_2_ring_emit_ib(struct amdgpu_ring *ring,
517 struct amdgpu_ib *ib,
518 unsigned vmid, bool ctx_switch)
519{
520 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_BASE, 0));
521 amdgpu_ring_write(ring, ib->gpu_addr);
522 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0));
523 amdgpu_ring_write(ring, ib->length_dw);
524}
525
526/**
527 * uvd_v4_2_mc_resume - memory controller programming
528 *
529 * @adev: amdgpu_device pointer
530 *
531 * Let the UVD memory controller know it's offsets
532 */
533static void uvd_v4_2_mc_resume(struct amdgpu_device *adev)
534{
535 uint64_t addr;
536 uint32_t size;
537
538 /* programm the VCPU memory controller bits 0-27 */
539 addr = (adev->uvd.gpu_addr + AMDGPU_UVD_FIRMWARE_OFFSET) >> 3;
540 size = AMDGPU_UVD_FIRMWARE_SIZE(adev) >> 3;
541 WREG32(mmUVD_VCPU_CACHE_OFFSET0, addr);
542 WREG32(mmUVD_VCPU_CACHE_SIZE0, size);
543
544 addr += size;
545 size = AMDGPU_UVD_HEAP_SIZE >> 3;
546 WREG32(mmUVD_VCPU_CACHE_OFFSET1, addr);
547 WREG32(mmUVD_VCPU_CACHE_SIZE1, size);
548
549 addr += size;
550 size = (AMDGPU_UVD_STACK_SIZE +
551 (AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles)) >> 3;
552 WREG32(mmUVD_VCPU_CACHE_OFFSET2, addr);
553 WREG32(mmUVD_VCPU_CACHE_SIZE2, size);
554
555 /* bits 28-31 */
556 addr = (adev->uvd.gpu_addr >> 28) & 0xF;
557 WREG32(mmUVD_LMI_ADDR_EXT, (addr << 12) | (addr << 0));
558
559 /* bits 32-39 */
560 addr = (adev->uvd.gpu_addr >> 32) & 0xFF;
561 WREG32(mmUVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));
562
563 WREG32(mmUVD_UDEC_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
564 WREG32(mmUVD_UDEC_DB_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
565 WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
566}
567
568static void uvd_v4_2_enable_mgcg(struct amdgpu_device *adev,
569 bool enable)
570{
571 u32 orig, data;
572
573 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) {
574 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL);
575 data |= 0xfff;
576 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data);
577
578 orig = data = RREG32(mmUVD_CGC_CTRL);
579 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
580 if (orig != data)
581 WREG32(mmUVD_CGC_CTRL, data);
582 } else {
583 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL);
584 data &= ~0xfff;
585 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data);
586
587 orig = data = RREG32(mmUVD_CGC_CTRL);
588 data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
589 if (orig != data)
590 WREG32(mmUVD_CGC_CTRL, data);
591 }
592}
593
594static void uvd_v4_2_set_dcm(struct amdgpu_device *adev,
595 bool sw_mode)
596{
597 u32 tmp, tmp2;
598
599 WREG32_FIELD(UVD_CGC_GATE, REGS, 0);
600
601 tmp = RREG32(mmUVD_CGC_CTRL);
602 tmp &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK);
603 tmp |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK |
604 (1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT) |
605 (4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT);
606
607 if (sw_mode) {
608 tmp &= ~0x7ffff800;
609 tmp2 = UVD_CGC_CTRL2__DYN_OCLK_RAMP_EN_MASK |
610 UVD_CGC_CTRL2__DYN_RCLK_RAMP_EN_MASK |
611 (7 << UVD_CGC_CTRL2__GATER_DIV_ID__SHIFT);
612 } else {
613 tmp |= 0x7ffff800;
614 tmp2 = 0;
615 }
616
617 WREG32(mmUVD_CGC_CTRL, tmp);
618 WREG32_UVD_CTX(ixUVD_CGC_CTRL2, tmp2);
619}
620
621static bool uvd_v4_2_is_idle(void *handle)
622{
623 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
624
625 return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK);
626}
627
628static int uvd_v4_2_wait_for_idle(void *handle)
629{
630 unsigned i;
631 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
632
633 for (i = 0; i < adev->usec_timeout; i++) {
634 if (!(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK))
635 return 0;
636 }
637 return -ETIMEDOUT;
638}
639
640static int uvd_v4_2_soft_reset(void *handle)
641{
642 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
643
644 uvd_v4_2_stop(adev);
645
646 WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK,
647 ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK);
648 mdelay(5);
649
650 return uvd_v4_2_start(adev);
651}
652
653static int uvd_v4_2_set_interrupt_state(struct amdgpu_device *adev,
654 struct amdgpu_irq_src *source,
655 unsigned type,
656 enum amdgpu_interrupt_state state)
657{
658 // TODO
659 return 0;
660}
661
662static int uvd_v4_2_process_interrupt(struct amdgpu_device *adev,
663 struct amdgpu_irq_src *source,
664 struct amdgpu_iv_entry *entry)
665{
666 DRM_DEBUG("IH: UVD TRAP\n");
667 amdgpu_fence_process(&adev->uvd.ring);
668 return 0;
669}
670
671static int uvd_v4_2_set_clockgating_state(void *handle,
672 enum amd_clockgating_state state)
673{
674 return 0;
675}
676
677static int uvd_v4_2_set_powergating_state(void *handle,
678 enum amd_powergating_state state)
679{
680 /* This doesn't actually powergate the UVD block.
681 * That's done in the dpm code via the SMC. This
682 * just re-inits the block as necessary. The actual
683 * gating still happens in the dpm code. We should
684 * revisit this when there is a cleaner line between
685 * the smc and the hw blocks
686 */
687 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
688
689 if (state == AMD_PG_STATE_GATE) {
690 uvd_v4_2_stop(adev);
691 if (adev->pg_flags & AMD_PG_SUPPORT_UVD && amdgpu_dpm == 0) {
692 if (!(RREG32_SMC(ixCURRENT_PG_STATUS) &
693 CURRENT_PG_STATUS__UVD_PG_STATUS_MASK)) {
694 WREG32(mmUVD_PGFSM_CONFIG, (UVD_PGFSM_CONFIG__UVD_PGFSM_FSM_ADDR_MASK |
695 UVD_PGFSM_CONFIG__UVD_PGFSM_POWER_DOWN_MASK |
696 UVD_PGFSM_CONFIG__UVD_PGFSM_P1_SELECT_MASK));
697 mdelay(20);
698 }
699 }
700 return 0;
701 } else {
702 if (adev->pg_flags & AMD_PG_SUPPORT_UVD && amdgpu_dpm == 0) {
703 if (RREG32_SMC(ixCURRENT_PG_STATUS) &
704 CURRENT_PG_STATUS__UVD_PG_STATUS_MASK) {
705 WREG32(mmUVD_PGFSM_CONFIG, (UVD_PGFSM_CONFIG__UVD_PGFSM_FSM_ADDR_MASK |
706 UVD_PGFSM_CONFIG__UVD_PGFSM_POWER_UP_MASK |
707 UVD_PGFSM_CONFIG__UVD_PGFSM_P1_SELECT_MASK));
708 mdelay(30);
709 }
710 }
711 return uvd_v4_2_start(adev);
712 }
713}
714
715static const struct amd_ip_funcs uvd_v4_2_ip_funcs = {
716 .name = "uvd_v4_2",
717 .early_init = uvd_v4_2_early_init,
718 .late_init = NULL,
719 .sw_init = uvd_v4_2_sw_init,
720 .sw_fini = uvd_v4_2_sw_fini,
721 .hw_init = uvd_v4_2_hw_init,
722 .hw_fini = uvd_v4_2_hw_fini,
723 .suspend = uvd_v4_2_suspend,
724 .resume = uvd_v4_2_resume,
725 .is_idle = uvd_v4_2_is_idle,
726 .wait_for_idle = uvd_v4_2_wait_for_idle,
727 .soft_reset = uvd_v4_2_soft_reset,
728 .set_clockgating_state = uvd_v4_2_set_clockgating_state,
729 .set_powergating_state = uvd_v4_2_set_powergating_state,
730};
731
732static const struct amdgpu_ring_funcs uvd_v4_2_ring_funcs = {
733 .type = AMDGPU_RING_TYPE_UVD,
734 .align_mask = 0xf,
735 .nop = PACKET0(mmUVD_NO_OP, 0),
736 .support_64bit_ptrs = false,
737 .get_rptr = uvd_v4_2_ring_get_rptr,
738 .get_wptr = uvd_v4_2_ring_get_wptr,
739 .set_wptr = uvd_v4_2_ring_set_wptr,
740 .parse_cs = amdgpu_uvd_ring_parse_cs,
741 .emit_frame_size =
742 14, /* uvd_v4_2_ring_emit_fence x1 no user fence */
743 .emit_ib_size = 4, /* uvd_v4_2_ring_emit_ib */
744 .emit_ib = uvd_v4_2_ring_emit_ib,
745 .emit_fence = uvd_v4_2_ring_emit_fence,
746 .test_ring = uvd_v4_2_ring_test_ring,
747 .test_ib = amdgpu_uvd_ring_test_ib,
748 .insert_nop = amdgpu_ring_insert_nop,
749 .pad_ib = amdgpu_ring_generic_pad_ib,
750 .begin_use = amdgpu_uvd_ring_begin_use,
751 .end_use = amdgpu_uvd_ring_end_use,
752};
753
754static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev)
755{
756 adev->uvd.ring.funcs = &uvd_v4_2_ring_funcs;
757}
758
759static const struct amdgpu_irq_src_funcs uvd_v4_2_irq_funcs = {
760 .set = uvd_v4_2_set_interrupt_state,
761 .process = uvd_v4_2_process_interrupt,
762};
763
764static void uvd_v4_2_set_irq_funcs(struct amdgpu_device *adev)
765{
766 adev->uvd.irq.num_types = 1;
767 adev->uvd.irq.funcs = &uvd_v4_2_irq_funcs;
768}
769
770const struct amdgpu_ip_block_version uvd_v4_2_ip_block =
771{
772 .type = AMD_IP_BLOCK_TYPE_UVD,
773 .major = 4,
774 .minor = 2,
775 .rev = 0,
776 .funcs = &uvd_v4_2_ip_funcs,
777};
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
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 uint64_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 uint64_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, lower_32_bits(ring->wptr));
91}
92
93static int uvd_v4_2_early_init(void *handle)
94{
95 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
96 adev->uvd.num_uvd_inst = 1;
97
98 uvd_v4_2_set_ring_funcs(adev);
99 uvd_v4_2_set_irq_funcs(adev);
100
101 return 0;
102}
103
104static int uvd_v4_2_sw_init(void *handle)
105{
106 struct amdgpu_ring *ring;
107 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
108 int r;
109
110 /* UVD TRAP */
111 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 124, &adev->uvd.inst->irq);
112 if (r)
113 return r;
114
115 r = amdgpu_uvd_sw_init(adev);
116 if (r)
117 return r;
118
119 ring = &adev->uvd.inst->ring;
120 sprintf(ring->name, "uvd");
121 r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0,
122 AMDGPU_RING_PRIO_DEFAULT, NULL);
123 if (r)
124 return r;
125
126 r = amdgpu_uvd_resume(adev);
127 if (r)
128 return r;
129
130 r = amdgpu_uvd_entity_init(adev);
131
132 return r;
133}
134
135static int uvd_v4_2_sw_fini(void *handle)
136{
137 int r;
138 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
139
140 r = amdgpu_uvd_suspend(adev);
141 if (r)
142 return r;
143
144 return amdgpu_uvd_sw_fini(adev);
145}
146
147static void uvd_v4_2_enable_mgcg(struct amdgpu_device *adev,
148 bool enable);
149/**
150 * uvd_v4_2_hw_init - start and test UVD block
151 *
152 * @handle: handle used to pass amdgpu_device pointer
153 *
154 * Initialize the hardware, boot up the VCPU and do some testing
155 */
156static int uvd_v4_2_hw_init(void *handle)
157{
158 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
159 struct amdgpu_ring *ring = &adev->uvd.inst->ring;
160 uint32_t tmp;
161 int r;
162
163 uvd_v4_2_enable_mgcg(adev, true);
164 amdgpu_asic_set_uvd_clocks(adev, 10000, 10000);
165
166 r = amdgpu_ring_test_helper(ring);
167 if (r)
168 goto done;
169
170 r = amdgpu_ring_alloc(ring, 10);
171 if (r) {
172 DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r);
173 goto done;
174 }
175
176 tmp = PACKET0(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0);
177 amdgpu_ring_write(ring, tmp);
178 amdgpu_ring_write(ring, 0xFFFFF);
179
180 tmp = PACKET0(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0);
181 amdgpu_ring_write(ring, tmp);
182 amdgpu_ring_write(ring, 0xFFFFF);
183
184 tmp = PACKET0(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0);
185 amdgpu_ring_write(ring, tmp);
186 amdgpu_ring_write(ring, 0xFFFFF);
187
188 /* Clear timeout status bits */
189 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_TIMEOUT_STATUS, 0));
190 amdgpu_ring_write(ring, 0x8);
191
192 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CNTL, 0));
193 amdgpu_ring_write(ring, 3);
194
195 amdgpu_ring_commit(ring);
196
197done:
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 * @handle: handle used to pass 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
215 cancel_delayed_work_sync(&adev->uvd.idle_work);
216
217 if (RREG32(mmUVD_STATUS) != 0)
218 uvd_v4_2_stop(adev);
219
220 return 0;
221}
222
223static int uvd_v4_2_suspend(void *handle)
224{
225 int r;
226 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
227
228 /*
229 * Proper cleanups before halting the HW engine:
230 * - cancel the delayed idle work
231 * - enable powergating
232 * - enable clockgating
233 * - disable dpm
234 *
235 * TODO: to align with the VCN implementation, move the
236 * jobs for clockgating/powergating/dpm setting to
237 * ->set_powergating_state().
238 */
239 cancel_delayed_work_sync(&adev->uvd.idle_work);
240
241 if (adev->pm.dpm_enabled) {
242 amdgpu_dpm_enable_uvd(adev, false);
243 } else {
244 amdgpu_asic_set_uvd_clocks(adev, 0, 0);
245 /* shutdown the UVD block */
246 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
247 AMD_PG_STATE_GATE);
248 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
249 AMD_CG_STATE_GATE);
250 }
251
252 r = uvd_v4_2_hw_fini(adev);
253 if (r)
254 return r;
255
256 return amdgpu_uvd_suspend(adev);
257}
258
259static int uvd_v4_2_resume(void *handle)
260{
261 int r;
262 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
263
264 r = amdgpu_uvd_resume(adev);
265 if (r)
266 return r;
267
268 return uvd_v4_2_hw_init(adev);
269}
270
271/**
272 * uvd_v4_2_start - start UVD block
273 *
274 * @adev: amdgpu_device pointer
275 *
276 * Setup and start the UVD block
277 */
278static int uvd_v4_2_start(struct amdgpu_device *adev)
279{
280 struct amdgpu_ring *ring = &adev->uvd.inst->ring;
281 uint32_t rb_bufsz;
282 int i, j, r;
283 u32 tmp;
284 /* disable byte swapping */
285 u32 lmi_swap_cntl = 0;
286 u32 mp_swap_cntl = 0;
287
288 /* set uvd busy */
289 WREG32_P(mmUVD_STATUS, 1<<2, ~(1<<2));
290
291 uvd_v4_2_set_dcm(adev, true);
292 WREG32(mmUVD_CGC_GATE, 0);
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 /* enable VCPU clock */
299 WREG32(mmUVD_VCPU_CNTL, 1 << 9);
300
301 /* disable interupt */
302 WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1));
303
304#ifdef __BIG_ENDIAN
305 /* swap (8 in 32) RB and IB */
306 lmi_swap_cntl = 0xa;
307 mp_swap_cntl = 0;
308#endif
309 WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
310 WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl);
311 /* initialize UVD memory controller */
312 WREG32(mmUVD_LMI_CTRL, 0x203108);
313
314 tmp = RREG32(mmUVD_MPC_CNTL);
315 WREG32(mmUVD_MPC_CNTL, tmp | 0x10);
316
317 WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040);
318 WREG32(mmUVD_MPC_SET_MUXA1, 0x0);
319 WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040);
320 WREG32(mmUVD_MPC_SET_MUXB1, 0x0);
321 WREG32(mmUVD_MPC_SET_ALU, 0);
322 WREG32(mmUVD_MPC_SET_MUX, 0x88);
323
324 uvd_v4_2_mc_resume(adev);
325
326 tmp = RREG32_UVD_CTX(ixUVD_LMI_CACHE_CTRL);
327 WREG32_UVD_CTX(ixUVD_LMI_CACHE_CTRL, tmp & (~0x10));
328
329 /* enable UMC */
330 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8));
331
332 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK);
333
334 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
335
336 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
337
338 mdelay(10);
339
340 for (i = 0; i < 10; ++i) {
341 uint32_t status;
342 for (j = 0; j < 100; ++j) {
343 status = RREG32(mmUVD_STATUS);
344 if (status & 2)
345 break;
346 mdelay(10);
347 }
348 r = 0;
349 if (status & 2)
350 break;
351
352 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n");
353 WREG32_P(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
354 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
355 mdelay(10);
356 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
357 mdelay(10);
358 r = -1;
359 }
360
361 if (r) {
362 DRM_ERROR("UVD not responding, giving up!!!\n");
363 return r;
364 }
365
366 /* enable interupt */
367 WREG32_P(mmUVD_MASTINT_EN, 3<<1, ~(3 << 1));
368
369 WREG32_P(mmUVD_STATUS, 0, ~(1<<2));
370
371 /* force RBC into idle state */
372 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101);
373
374 /* Set the write pointer delay */
375 WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0);
376
377 /* program the 4GB memory segment for rptr and ring buffer */
378 WREG32(mmUVD_LMI_EXT40_ADDR, upper_32_bits(ring->gpu_addr) |
379 (0x7 << 16) | (0x1 << 31));
380
381 /* Initialize the ring buffer's read and write pointers */
382 WREG32(mmUVD_RBC_RB_RPTR, 0x0);
383
384 ring->wptr = RREG32(mmUVD_RBC_RB_RPTR);
385 WREG32(mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
386
387 /* set the ring address */
388 WREG32(mmUVD_RBC_RB_BASE, ring->gpu_addr);
389
390 /* Set ring buffer size */
391 rb_bufsz = order_base_2(ring->ring_size);
392 rb_bufsz = (0x1 << 8) | rb_bufsz;
393 WREG32_P(mmUVD_RBC_RB_CNTL, rb_bufsz, ~0x11f1f);
394
395 return 0;
396}
397
398/**
399 * uvd_v4_2_stop - stop UVD block
400 *
401 * @adev: amdgpu_device pointer
402 *
403 * stop the UVD block
404 */
405static void uvd_v4_2_stop(struct amdgpu_device *adev)
406{
407 uint32_t i, j;
408 uint32_t status;
409
410 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101);
411
412 for (i = 0; i < 10; ++i) {
413 for (j = 0; j < 100; ++j) {
414 status = RREG32(mmUVD_STATUS);
415 if (status & 2)
416 break;
417 mdelay(1);
418 }
419 if (status & 2)
420 break;
421 }
422
423 for (i = 0; i < 10; ++i) {
424 for (j = 0; j < 100; ++j) {
425 status = RREG32(mmUVD_LMI_STATUS);
426 if (status & 0xf)
427 break;
428 mdelay(1);
429 }
430 if (status & 0xf)
431 break;
432 }
433
434 /* Stall UMC and register bus before resetting VCPU */
435 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
436
437 for (i = 0; i < 10; ++i) {
438 for (j = 0; j < 100; ++j) {
439 status = RREG32(mmUVD_LMI_STATUS);
440 if (status & 0x240)
441 break;
442 mdelay(1);
443 }
444 if (status & 0x240)
445 break;
446 }
447
448 WREG32_P(0x3D49, 0, ~(1 << 2));
449
450 WREG32_P(mmUVD_VCPU_CNTL, 0, ~(1 << 9));
451
452 /* put LMI, VCPU, RBC etc... into reset */
453 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK |
454 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK |
455 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
456
457 WREG32(mmUVD_STATUS, 0);
458
459 uvd_v4_2_set_dcm(adev, false);
460}
461
462/**
463 * uvd_v4_2_ring_emit_fence - emit an fence & trap command
464 *
465 * @ring: amdgpu_ring pointer
466 * @addr: address
467 * @seq: sequence number
468 * @flags: fence related flags
469 *
470 * Write a fence and a trap command to the ring.
471 */
472static void uvd_v4_2_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
473 unsigned flags)
474{
475 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
476
477 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0));
478 amdgpu_ring_write(ring, seq);
479 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
480 amdgpu_ring_write(ring, addr & 0xffffffff);
481 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
482 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
483 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
484 amdgpu_ring_write(ring, 0);
485
486 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
487 amdgpu_ring_write(ring, 0);
488 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
489 amdgpu_ring_write(ring, 0);
490 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
491 amdgpu_ring_write(ring, 2);
492}
493
494/**
495 * uvd_v4_2_ring_test_ring - register write test
496 *
497 * @ring: amdgpu_ring pointer
498 *
499 * Test if we can successfully write to the context register
500 */
501static int uvd_v4_2_ring_test_ring(struct amdgpu_ring *ring)
502{
503 struct amdgpu_device *adev = ring->adev;
504 uint32_t tmp = 0;
505 unsigned i;
506 int r;
507
508 WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD);
509 r = amdgpu_ring_alloc(ring, 3);
510 if (r)
511 return r;
512
513 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0));
514 amdgpu_ring_write(ring, 0xDEADBEEF);
515 amdgpu_ring_commit(ring);
516 for (i = 0; i < adev->usec_timeout; i++) {
517 tmp = RREG32(mmUVD_CONTEXT_ID);
518 if (tmp == 0xDEADBEEF)
519 break;
520 udelay(1);
521 }
522
523 if (i >= adev->usec_timeout)
524 r = -ETIMEDOUT;
525
526 return r;
527}
528
529/**
530 * uvd_v4_2_ring_emit_ib - execute indirect buffer
531 *
532 * @ring: amdgpu_ring pointer
533 * @job: iob associated with the indirect buffer
534 * @ib: indirect buffer to execute
535 * @flags: flags associated with the indirect buffer
536 *
537 * Write ring commands to execute the indirect buffer
538 */
539static void uvd_v4_2_ring_emit_ib(struct amdgpu_ring *ring,
540 struct amdgpu_job *job,
541 struct amdgpu_ib *ib,
542 uint32_t flags)
543{
544 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_BASE, 0));
545 amdgpu_ring_write(ring, ib->gpu_addr);
546 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0));
547 amdgpu_ring_write(ring, ib->length_dw);
548}
549
550static void uvd_v4_2_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
551{
552 int i;
553
554 WARN_ON(ring->wptr % 2 || count % 2);
555
556 for (i = 0; i < count / 2; i++) {
557 amdgpu_ring_write(ring, PACKET0(mmUVD_NO_OP, 0));
558 amdgpu_ring_write(ring, 0);
559 }
560}
561
562/**
563 * uvd_v4_2_mc_resume - memory controller programming
564 *
565 * @adev: amdgpu_device pointer
566 *
567 * Let the UVD memory controller know it's offsets
568 */
569static void uvd_v4_2_mc_resume(struct amdgpu_device *adev)
570{
571 uint64_t addr;
572 uint32_t size;
573
574 /* program the VCPU memory controller bits 0-27 */
575 addr = (adev->uvd.inst->gpu_addr + AMDGPU_UVD_FIRMWARE_OFFSET) >> 3;
576 size = AMDGPU_UVD_FIRMWARE_SIZE(adev) >> 3;
577 WREG32(mmUVD_VCPU_CACHE_OFFSET0, addr);
578 WREG32(mmUVD_VCPU_CACHE_SIZE0, size);
579
580 addr += size;
581 size = AMDGPU_UVD_HEAP_SIZE >> 3;
582 WREG32(mmUVD_VCPU_CACHE_OFFSET1, addr);
583 WREG32(mmUVD_VCPU_CACHE_SIZE1, size);
584
585 addr += size;
586 size = (AMDGPU_UVD_STACK_SIZE +
587 (AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles)) >> 3;
588 WREG32(mmUVD_VCPU_CACHE_OFFSET2, addr);
589 WREG32(mmUVD_VCPU_CACHE_SIZE2, size);
590
591 /* bits 28-31 */
592 addr = (adev->uvd.inst->gpu_addr >> 28) & 0xF;
593 WREG32(mmUVD_LMI_ADDR_EXT, (addr << 12) | (addr << 0));
594
595 /* bits 32-39 */
596 addr = (adev->uvd.inst->gpu_addr >> 32) & 0xFF;
597 WREG32(mmUVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));
598
599 WREG32(mmUVD_UDEC_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
600 WREG32(mmUVD_UDEC_DB_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
601 WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
602}
603
604static void uvd_v4_2_enable_mgcg(struct amdgpu_device *adev,
605 bool enable)
606{
607 u32 orig, data;
608
609 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) {
610 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL);
611 data |= 0xfff;
612 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data);
613
614 orig = data = RREG32(mmUVD_CGC_CTRL);
615 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
616 if (orig != data)
617 WREG32(mmUVD_CGC_CTRL, data);
618 } else {
619 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL);
620 data &= ~0xfff;
621 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data);
622
623 orig = data = RREG32(mmUVD_CGC_CTRL);
624 data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
625 if (orig != data)
626 WREG32(mmUVD_CGC_CTRL, data);
627 }
628}
629
630static void uvd_v4_2_set_dcm(struct amdgpu_device *adev,
631 bool sw_mode)
632{
633 u32 tmp, tmp2;
634
635 WREG32_FIELD(UVD_CGC_GATE, REGS, 0);
636
637 tmp = RREG32(mmUVD_CGC_CTRL);
638 tmp &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK);
639 tmp |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK |
640 (1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT) |
641 (4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT);
642
643 if (sw_mode) {
644 tmp &= ~0x7ffff800;
645 tmp2 = UVD_CGC_CTRL2__DYN_OCLK_RAMP_EN_MASK |
646 UVD_CGC_CTRL2__DYN_RCLK_RAMP_EN_MASK |
647 (7 << UVD_CGC_CTRL2__GATER_DIV_ID__SHIFT);
648 } else {
649 tmp |= 0x7ffff800;
650 tmp2 = 0;
651 }
652
653 WREG32(mmUVD_CGC_CTRL, tmp);
654 WREG32_UVD_CTX(ixUVD_CGC_CTRL2, tmp2);
655}
656
657static bool uvd_v4_2_is_idle(void *handle)
658{
659 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
660
661 return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK);
662}
663
664static int uvd_v4_2_wait_for_idle(void *handle)
665{
666 unsigned i;
667 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
668
669 for (i = 0; i < adev->usec_timeout; i++) {
670 if (!(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK))
671 return 0;
672 }
673 return -ETIMEDOUT;
674}
675
676static int uvd_v4_2_soft_reset(void *handle)
677{
678 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
679
680 uvd_v4_2_stop(adev);
681
682 WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK,
683 ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK);
684 mdelay(5);
685
686 return uvd_v4_2_start(adev);
687}
688
689static int uvd_v4_2_set_interrupt_state(struct amdgpu_device *adev,
690 struct amdgpu_irq_src *source,
691 unsigned type,
692 enum amdgpu_interrupt_state state)
693{
694 // TODO
695 return 0;
696}
697
698static int uvd_v4_2_process_interrupt(struct amdgpu_device *adev,
699 struct amdgpu_irq_src *source,
700 struct amdgpu_iv_entry *entry)
701{
702 DRM_DEBUG("IH: UVD TRAP\n");
703 amdgpu_fence_process(&adev->uvd.inst->ring);
704 return 0;
705}
706
707static int uvd_v4_2_set_clockgating_state(void *handle,
708 enum amd_clockgating_state state)
709{
710 return 0;
711}
712
713static int uvd_v4_2_set_powergating_state(void *handle,
714 enum amd_powergating_state state)
715{
716 /* This doesn't actually powergate the UVD block.
717 * That's done in the dpm code via the SMC. This
718 * just re-inits the block as necessary. The actual
719 * gating still happens in the dpm code. We should
720 * revisit this when there is a cleaner line between
721 * the smc and the hw blocks
722 */
723 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
724
725 if (state == AMD_PG_STATE_GATE) {
726 uvd_v4_2_stop(adev);
727 if (adev->pg_flags & AMD_PG_SUPPORT_UVD && !adev->pm.dpm_enabled) {
728 if (!(RREG32_SMC(ixCURRENT_PG_STATUS) &
729 CURRENT_PG_STATUS__UVD_PG_STATUS_MASK)) {
730 WREG32(mmUVD_PGFSM_CONFIG, (UVD_PGFSM_CONFIG__UVD_PGFSM_FSM_ADDR_MASK |
731 UVD_PGFSM_CONFIG__UVD_PGFSM_POWER_DOWN_MASK |
732 UVD_PGFSM_CONFIG__UVD_PGFSM_P1_SELECT_MASK));
733 mdelay(20);
734 }
735 }
736 return 0;
737 } else {
738 if (adev->pg_flags & AMD_PG_SUPPORT_UVD && !adev->pm.dpm_enabled) {
739 if (RREG32_SMC(ixCURRENT_PG_STATUS) &
740 CURRENT_PG_STATUS__UVD_PG_STATUS_MASK) {
741 WREG32(mmUVD_PGFSM_CONFIG, (UVD_PGFSM_CONFIG__UVD_PGFSM_FSM_ADDR_MASK |
742 UVD_PGFSM_CONFIG__UVD_PGFSM_POWER_UP_MASK |
743 UVD_PGFSM_CONFIG__UVD_PGFSM_P1_SELECT_MASK));
744 mdelay(30);
745 }
746 }
747 return uvd_v4_2_start(adev);
748 }
749}
750
751static const struct amd_ip_funcs uvd_v4_2_ip_funcs = {
752 .name = "uvd_v4_2",
753 .early_init = uvd_v4_2_early_init,
754 .late_init = NULL,
755 .sw_init = uvd_v4_2_sw_init,
756 .sw_fini = uvd_v4_2_sw_fini,
757 .hw_init = uvd_v4_2_hw_init,
758 .hw_fini = uvd_v4_2_hw_fini,
759 .suspend = uvd_v4_2_suspend,
760 .resume = uvd_v4_2_resume,
761 .is_idle = uvd_v4_2_is_idle,
762 .wait_for_idle = uvd_v4_2_wait_for_idle,
763 .soft_reset = uvd_v4_2_soft_reset,
764 .set_clockgating_state = uvd_v4_2_set_clockgating_state,
765 .set_powergating_state = uvd_v4_2_set_powergating_state,
766};
767
768static const struct amdgpu_ring_funcs uvd_v4_2_ring_funcs = {
769 .type = AMDGPU_RING_TYPE_UVD,
770 .align_mask = 0xf,
771 .support_64bit_ptrs = false,
772 .no_user_fence = true,
773 .get_rptr = uvd_v4_2_ring_get_rptr,
774 .get_wptr = uvd_v4_2_ring_get_wptr,
775 .set_wptr = uvd_v4_2_ring_set_wptr,
776 .parse_cs = amdgpu_uvd_ring_parse_cs,
777 .emit_frame_size =
778 14, /* uvd_v4_2_ring_emit_fence x1 no user fence */
779 .emit_ib_size = 4, /* uvd_v4_2_ring_emit_ib */
780 .emit_ib = uvd_v4_2_ring_emit_ib,
781 .emit_fence = uvd_v4_2_ring_emit_fence,
782 .test_ring = uvd_v4_2_ring_test_ring,
783 .test_ib = amdgpu_uvd_ring_test_ib,
784 .insert_nop = uvd_v4_2_ring_insert_nop,
785 .pad_ib = amdgpu_ring_generic_pad_ib,
786 .begin_use = amdgpu_uvd_ring_begin_use,
787 .end_use = amdgpu_uvd_ring_end_use,
788};
789
790static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev)
791{
792 adev->uvd.inst->ring.funcs = &uvd_v4_2_ring_funcs;
793}
794
795static const struct amdgpu_irq_src_funcs uvd_v4_2_irq_funcs = {
796 .set = uvd_v4_2_set_interrupt_state,
797 .process = uvd_v4_2_process_interrupt,
798};
799
800static void uvd_v4_2_set_irq_funcs(struct amdgpu_device *adev)
801{
802 adev->uvd.inst->irq.num_types = 1;
803 adev->uvd.inst->irq.funcs = &uvd_v4_2_irq_funcs;
804}
805
806const struct amdgpu_ip_block_version uvd_v4_2_ip_block =
807{
808 .type = AMD_IP_BLOCK_TYPE_UVD,
809 .major = 4,
810 .minor = 2,
811 .rev = 0,
812 .funcs = &uvd_v4_2_ip_funcs,
813};