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
42 static void uvd_v4_2_mc_resume(struct amdgpu_device *adev);
43 static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev);
44 static void uvd_v4_2_set_irq_funcs(struct amdgpu_device *adev);
45 static int uvd_v4_2_start(struct amdgpu_device *adev);
46 static void uvd_v4_2_stop(struct amdgpu_device *adev);
47 static int uvd_v4_2_set_clockgating_state(void *handle,
48 enum amd_clockgating_state state);
49 static 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 */
uvd_v4_2_ring_get_rptr(struct amdgpu_ring * ring)58 static 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 */
uvd_v4_2_ring_get_wptr(struct amdgpu_ring * ring)72 static 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 */
uvd_v4_2_ring_set_wptr(struct amdgpu_ring * ring)86 static 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
uvd_v4_2_early_init(void * handle)93 static 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
uvd_v4_2_sw_init(void * handle)104 static 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
uvd_v4_2_sw_fini(void * handle)135 static 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
147 static 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 */
uvd_v4_2_hw_init(void * handle)156 static 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
197 done:
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 */
uvd_v4_2_hw_fini(void * handle)211 static 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
uvd_v4_2_suspend(void * handle)223 static 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
uvd_v4_2_resume(void * handle)259 static 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 */
uvd_v4_2_start(struct amdgpu_device * adev)278 static 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 */
uvd_v4_2_stop(struct amdgpu_device * adev)405 static 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 */
uvd_v4_2_ring_emit_fence(struct amdgpu_ring * ring,u64 addr,u64 seq,unsigned flags)472 static 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 */
uvd_v4_2_ring_test_ring(struct amdgpu_ring * ring)501 static 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 */
uvd_v4_2_ring_emit_ib(struct amdgpu_ring * ring,struct amdgpu_job * job,struct amdgpu_ib * ib,uint32_t flags)539 static 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
uvd_v4_2_ring_insert_nop(struct amdgpu_ring * ring,uint32_t count)550 static 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 */
uvd_v4_2_mc_resume(struct amdgpu_device * adev)569 static 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
uvd_v4_2_enable_mgcg(struct amdgpu_device * adev,bool enable)604 static 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
uvd_v4_2_set_dcm(struct amdgpu_device * adev,bool sw_mode)630 static 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
uvd_v4_2_is_idle(void * handle)657 static 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
uvd_v4_2_wait_for_idle(void * handle)664 static 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
uvd_v4_2_soft_reset(void * handle)676 static 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
uvd_v4_2_set_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * source,unsigned type,enum amdgpu_interrupt_state state)689 static 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
uvd_v4_2_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)698 static 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
uvd_v4_2_set_clockgating_state(void * handle,enum amd_clockgating_state state)707 static int uvd_v4_2_set_clockgating_state(void *handle,
708 enum amd_clockgating_state state)
709 {
710 return 0;
711 }
712
uvd_v4_2_set_powergating_state(void * handle,enum amd_powergating_state state)713 static 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
751 static 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
768 static 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
uvd_v4_2_set_ring_funcs(struct amdgpu_device * adev)790 static 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
795 static 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
uvd_v4_2_set_irq_funcs(struct amdgpu_device * adev)800 static 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
806 const 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 };
814