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1/*
2 * Copyright 2013 Advanced Micro Devices, Inc.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
19 * USE OR OTHER DEALINGS IN THE SOFTWARE.
20 *
21 * The above copyright notice and this permission notice (including the
22 * next paragraph) shall be included in all copies or substantial portions
23 * of the Software.
24 *
25 * Authors: Christian König <christian.koenig@amd.com>
26 */
27
28#include <linux/firmware.h>
29#include <drm/drmP.h>
30#include "amdgpu.h"
31#include "amdgpu_vce.h"
32#include "cikd.h"
33
34#include "vce/vce_2_0_d.h"
35#include "vce/vce_2_0_sh_mask.h"
36
37#include "oss/oss_2_0_d.h"
38#include "oss/oss_2_0_sh_mask.h"
39
40#define VCE_V2_0_FW_SIZE (256 * 1024)
41#define VCE_V2_0_STACK_SIZE (64 * 1024)
42#define VCE_V2_0_DATA_SIZE (23552 * AMDGPU_MAX_VCE_HANDLES)
43
44static void vce_v2_0_mc_resume(struct amdgpu_device *adev);
45static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev);
46static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev);
47
48/**
49 * vce_v2_0_ring_get_rptr - get read pointer
50 *
51 * @ring: amdgpu_ring pointer
52 *
53 * Returns the current hardware read pointer
54 */
55static uint32_t vce_v2_0_ring_get_rptr(struct amdgpu_ring *ring)
56{
57 struct amdgpu_device *adev = ring->adev;
58
59 if (ring == &adev->vce.ring[0])
60 return RREG32(mmVCE_RB_RPTR);
61 else
62 return RREG32(mmVCE_RB_RPTR2);
63}
64
65/**
66 * vce_v2_0_ring_get_wptr - get write pointer
67 *
68 * @ring: amdgpu_ring pointer
69 *
70 * Returns the current hardware write pointer
71 */
72static uint32_t vce_v2_0_ring_get_wptr(struct amdgpu_ring *ring)
73{
74 struct amdgpu_device *adev = ring->adev;
75
76 if (ring == &adev->vce.ring[0])
77 return RREG32(mmVCE_RB_WPTR);
78 else
79 return RREG32(mmVCE_RB_WPTR2);
80}
81
82/**
83 * vce_v2_0_ring_set_wptr - set write pointer
84 *
85 * @ring: amdgpu_ring pointer
86 *
87 * Commits the write pointer to the hardware
88 */
89static void vce_v2_0_ring_set_wptr(struct amdgpu_ring *ring)
90{
91 struct amdgpu_device *adev = ring->adev;
92
93 if (ring == &adev->vce.ring[0])
94 WREG32(mmVCE_RB_WPTR, ring->wptr);
95 else
96 WREG32(mmVCE_RB_WPTR2, ring->wptr);
97}
98
99/**
100 * vce_v2_0_start - start VCE block
101 *
102 * @adev: amdgpu_device pointer
103 *
104 * Setup and start the VCE block
105 */
106static int vce_v2_0_start(struct amdgpu_device *adev)
107{
108 struct amdgpu_ring *ring;
109 int i, j, r;
110
111 vce_v2_0_mc_resume(adev);
112
113 /* set BUSY flag */
114 WREG32_P(mmVCE_STATUS, 1, ~1);
115
116 ring = &adev->vce.ring[0];
117 WREG32(mmVCE_RB_RPTR, ring->wptr);
118 WREG32(mmVCE_RB_WPTR, ring->wptr);
119 WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr);
120 WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
121 WREG32(mmVCE_RB_SIZE, ring->ring_size / 4);
122
123 ring = &adev->vce.ring[1];
124 WREG32(mmVCE_RB_RPTR2, ring->wptr);
125 WREG32(mmVCE_RB_WPTR2, ring->wptr);
126 WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr);
127 WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
128 WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
129
130 WREG32_P(mmVCE_VCPU_CNTL, VCE_VCPU_CNTL__CLK_EN_MASK, ~VCE_VCPU_CNTL__CLK_EN_MASK);
131
132 WREG32_P(mmVCE_SOFT_RESET,
133 VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
134 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
135
136 mdelay(100);
137
138 WREG32_P(mmVCE_SOFT_RESET, 0, ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
139
140 for (i = 0; i < 10; ++i) {
141 uint32_t status;
142 for (j = 0; j < 100; ++j) {
143 status = RREG32(mmVCE_STATUS);
144 if (status & 2)
145 break;
146 mdelay(10);
147 }
148 r = 0;
149 if (status & 2)
150 break;
151
152 DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
153 WREG32_P(mmVCE_SOFT_RESET, VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
154 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
155 mdelay(10);
156 WREG32_P(mmVCE_SOFT_RESET, 0, ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
157 mdelay(10);
158 r = -1;
159 }
160
161 /* clear BUSY flag */
162 WREG32_P(mmVCE_STATUS, 0, ~1);
163
164 if (r) {
165 DRM_ERROR("VCE not responding, giving up!!!\n");
166 return r;
167 }
168
169 return 0;
170}
171
172static int vce_v2_0_early_init(void *handle)
173{
174 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
175
176 vce_v2_0_set_ring_funcs(adev);
177 vce_v2_0_set_irq_funcs(adev);
178
179 return 0;
180}
181
182static int vce_v2_0_sw_init(void *handle)
183{
184 struct amdgpu_ring *ring;
185 int r;
186 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
187
188 /* VCE */
189 r = amdgpu_irq_add_id(adev, 167, &adev->vce.irq);
190 if (r)
191 return r;
192
193 r = amdgpu_vce_sw_init(adev, VCE_V2_0_FW_SIZE +
194 VCE_V2_0_STACK_SIZE + VCE_V2_0_DATA_SIZE);
195 if (r)
196 return r;
197
198 r = amdgpu_vce_resume(adev);
199 if (r)
200 return r;
201
202 ring = &adev->vce.ring[0];
203 sprintf(ring->name, "vce0");
204 r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
205 &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
206 if (r)
207 return r;
208
209 ring = &adev->vce.ring[1];
210 sprintf(ring->name, "vce1");
211 r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
212 &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
213 if (r)
214 return r;
215
216 return r;
217}
218
219static int vce_v2_0_sw_fini(void *handle)
220{
221 int r;
222 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
223
224 r = amdgpu_vce_suspend(adev);
225 if (r)
226 return r;
227
228 r = amdgpu_vce_sw_fini(adev);
229 if (r)
230 return r;
231
232 return r;
233}
234
235static int vce_v2_0_hw_init(void *handle)
236{
237 struct amdgpu_ring *ring;
238 int r;
239 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
240
241 r = vce_v2_0_start(adev);
242 if (r)
243 return r;
244
245 ring = &adev->vce.ring[0];
246 ring->ready = true;
247 r = amdgpu_ring_test_ring(ring);
248 if (r) {
249 ring->ready = false;
250 return r;
251 }
252
253 ring = &adev->vce.ring[1];
254 ring->ready = true;
255 r = amdgpu_ring_test_ring(ring);
256 if (r) {
257 ring->ready = false;
258 return r;
259 }
260
261 DRM_INFO("VCE initialized successfully.\n");
262
263 return 0;
264}
265
266static int vce_v2_0_hw_fini(void *handle)
267{
268 return 0;
269}
270
271static int vce_v2_0_suspend(void *handle)
272{
273 int r;
274 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
275
276 r = vce_v2_0_hw_fini(adev);
277 if (r)
278 return r;
279
280 r = amdgpu_vce_suspend(adev);
281 if (r)
282 return r;
283
284 return r;
285}
286
287static int vce_v2_0_resume(void *handle)
288{
289 int r;
290 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
291
292 r = amdgpu_vce_resume(adev);
293 if (r)
294 return r;
295
296 r = vce_v2_0_hw_init(adev);
297 if (r)
298 return r;
299
300 return r;
301}
302
303static void vce_v2_0_set_sw_cg(struct amdgpu_device *adev, bool gated)
304{
305 u32 tmp;
306
307 if (gated) {
308 tmp = RREG32(mmVCE_CLOCK_GATING_B);
309 tmp |= 0xe70000;
310 WREG32(mmVCE_CLOCK_GATING_B, tmp);
311
312 tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
313 tmp |= 0xff000000;
314 WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
315
316 tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
317 tmp &= ~0x3fc;
318 WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
319
320 WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
321 } else {
322 tmp = RREG32(mmVCE_CLOCK_GATING_B);
323 tmp |= 0xe7;
324 tmp &= ~0xe70000;
325 WREG32(mmVCE_CLOCK_GATING_B, tmp);
326
327 tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
328 tmp |= 0x1fe000;
329 tmp &= ~0xff000000;
330 WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
331
332 tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
333 tmp |= 0x3fc;
334 WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
335 }
336}
337
338static void vce_v2_0_set_dyn_cg(struct amdgpu_device *adev, bool gated)
339{
340 u32 orig, tmp;
341
342 tmp = RREG32(mmVCE_CLOCK_GATING_B);
343 tmp &= ~0x00060006;
344 if (gated) {
345 tmp |= 0xe10000;
346 } else {
347 tmp |= 0xe1;
348 tmp &= ~0xe10000;
349 }
350 WREG32(mmVCE_CLOCK_GATING_B, tmp);
351
352 orig = tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
353 tmp &= ~0x1fe000;
354 tmp &= ~0xff000000;
355 if (tmp != orig)
356 WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
357
358 orig = tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
359 tmp &= ~0x3fc;
360 if (tmp != orig)
361 WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
362
363 if (gated)
364 WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
365}
366
367static void vce_v2_0_disable_cg(struct amdgpu_device *adev)
368{
369 WREG32(mmVCE_CGTT_CLK_OVERRIDE, 7);
370}
371
372static void vce_v2_0_enable_mgcg(struct amdgpu_device *adev, bool enable)
373{
374 bool sw_cg = false;
375
376 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG)) {
377 if (sw_cg)
378 vce_v2_0_set_sw_cg(adev, true);
379 else
380 vce_v2_0_set_dyn_cg(adev, true);
381 } else {
382 vce_v2_0_disable_cg(adev);
383
384 if (sw_cg)
385 vce_v2_0_set_sw_cg(adev, false);
386 else
387 vce_v2_0_set_dyn_cg(adev, false);
388 }
389}
390
391static void vce_v2_0_init_cg(struct amdgpu_device *adev)
392{
393 u32 tmp;
394
395 tmp = RREG32(mmVCE_CLOCK_GATING_A);
396 tmp &= ~0xfff;
397 tmp |= ((0 << 0) | (4 << 4));
398 tmp |= 0x40000;
399 WREG32(mmVCE_CLOCK_GATING_A, tmp);
400
401 tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
402 tmp &= ~0xfff;
403 tmp |= ((0 << 0) | (4 << 4));
404 WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
405
406 tmp = RREG32(mmVCE_CLOCK_GATING_B);
407 tmp |= 0x10;
408 tmp &= ~0x100000;
409 WREG32(mmVCE_CLOCK_GATING_B, tmp);
410}
411
412static void vce_v2_0_mc_resume(struct amdgpu_device *adev)
413{
414 uint64_t addr = adev->vce.gpu_addr;
415 uint32_t size;
416
417 WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16));
418 WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
419 WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
420 WREG32(mmVCE_CLOCK_GATING_B, 0xf7);
421
422 WREG32(mmVCE_LMI_CTRL, 0x00398000);
423 WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1);
424 WREG32(mmVCE_LMI_SWAP_CNTL, 0);
425 WREG32(mmVCE_LMI_SWAP_CNTL1, 0);
426 WREG32(mmVCE_LMI_VM_CTRL, 0);
427
428 addr += AMDGPU_VCE_FIRMWARE_OFFSET;
429 size = VCE_V2_0_FW_SIZE;
430 WREG32(mmVCE_VCPU_CACHE_OFFSET0, addr & 0x7fffffff);
431 WREG32(mmVCE_VCPU_CACHE_SIZE0, size);
432
433 addr += size;
434 size = VCE_V2_0_STACK_SIZE;
435 WREG32(mmVCE_VCPU_CACHE_OFFSET1, addr & 0x7fffffff);
436 WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
437
438 addr += size;
439 size = VCE_V2_0_DATA_SIZE;
440 WREG32(mmVCE_VCPU_CACHE_OFFSET2, addr & 0x7fffffff);
441 WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
442
443 WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100);
444
445 WREG32_P(mmVCE_SYS_INT_EN, VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK,
446 ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
447
448 vce_v2_0_init_cg(adev);
449}
450
451static bool vce_v2_0_is_idle(void *handle)
452{
453 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
454
455 return !(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK);
456}
457
458static int vce_v2_0_wait_for_idle(void *handle)
459{
460 unsigned i;
461 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
462
463 for (i = 0; i < adev->usec_timeout; i++) {
464 if (!(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK))
465 return 0;
466 }
467 return -ETIMEDOUT;
468}
469
470static int vce_v2_0_soft_reset(void *handle)
471{
472 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
473
474 WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK,
475 ~SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK);
476 mdelay(5);
477
478 return vce_v2_0_start(adev);
479}
480
481static void vce_v2_0_print_status(void *handle)
482{
483 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
484
485 dev_info(adev->dev, "VCE 2.0 registers\n");
486 dev_info(adev->dev, " VCE_STATUS=0x%08X\n",
487 RREG32(mmVCE_STATUS));
488 dev_info(adev->dev, " VCE_VCPU_CNTL=0x%08X\n",
489 RREG32(mmVCE_VCPU_CNTL));
490 dev_info(adev->dev, " VCE_VCPU_CACHE_OFFSET0=0x%08X\n",
491 RREG32(mmVCE_VCPU_CACHE_OFFSET0));
492 dev_info(adev->dev, " VCE_VCPU_CACHE_SIZE0=0x%08X\n",
493 RREG32(mmVCE_VCPU_CACHE_SIZE0));
494 dev_info(adev->dev, " VCE_VCPU_CACHE_OFFSET1=0x%08X\n",
495 RREG32(mmVCE_VCPU_CACHE_OFFSET1));
496 dev_info(adev->dev, " VCE_VCPU_CACHE_SIZE1=0x%08X\n",
497 RREG32(mmVCE_VCPU_CACHE_SIZE1));
498 dev_info(adev->dev, " VCE_VCPU_CACHE_OFFSET2=0x%08X\n",
499 RREG32(mmVCE_VCPU_CACHE_OFFSET2));
500 dev_info(adev->dev, " VCE_VCPU_CACHE_SIZE2=0x%08X\n",
501 RREG32(mmVCE_VCPU_CACHE_SIZE2));
502 dev_info(adev->dev, " VCE_SOFT_RESET=0x%08X\n",
503 RREG32(mmVCE_SOFT_RESET));
504 dev_info(adev->dev, " VCE_RB_BASE_LO2=0x%08X\n",
505 RREG32(mmVCE_RB_BASE_LO2));
506 dev_info(adev->dev, " VCE_RB_BASE_HI2=0x%08X\n",
507 RREG32(mmVCE_RB_BASE_HI2));
508 dev_info(adev->dev, " VCE_RB_SIZE2=0x%08X\n",
509 RREG32(mmVCE_RB_SIZE2));
510 dev_info(adev->dev, " VCE_RB_RPTR2=0x%08X\n",
511 RREG32(mmVCE_RB_RPTR2));
512 dev_info(adev->dev, " VCE_RB_WPTR2=0x%08X\n",
513 RREG32(mmVCE_RB_WPTR2));
514 dev_info(adev->dev, " VCE_RB_BASE_LO=0x%08X\n",
515 RREG32(mmVCE_RB_BASE_LO));
516 dev_info(adev->dev, " VCE_RB_BASE_HI=0x%08X\n",
517 RREG32(mmVCE_RB_BASE_HI));
518 dev_info(adev->dev, " VCE_RB_SIZE=0x%08X\n",
519 RREG32(mmVCE_RB_SIZE));
520 dev_info(adev->dev, " VCE_RB_RPTR=0x%08X\n",
521 RREG32(mmVCE_RB_RPTR));
522 dev_info(adev->dev, " VCE_RB_WPTR=0x%08X\n",
523 RREG32(mmVCE_RB_WPTR));
524 dev_info(adev->dev, " VCE_CLOCK_GATING_A=0x%08X\n",
525 RREG32(mmVCE_CLOCK_GATING_A));
526 dev_info(adev->dev, " VCE_CLOCK_GATING_B=0x%08X\n",
527 RREG32(mmVCE_CLOCK_GATING_B));
528 dev_info(adev->dev, " VCE_CGTT_CLK_OVERRIDE=0x%08X\n",
529 RREG32(mmVCE_CGTT_CLK_OVERRIDE));
530 dev_info(adev->dev, " VCE_UENC_CLOCK_GATING=0x%08X\n",
531 RREG32(mmVCE_UENC_CLOCK_GATING));
532 dev_info(adev->dev, " VCE_UENC_REG_CLOCK_GATING=0x%08X\n",
533 RREG32(mmVCE_UENC_REG_CLOCK_GATING));
534 dev_info(adev->dev, " VCE_SYS_INT_EN=0x%08X\n",
535 RREG32(mmVCE_SYS_INT_EN));
536 dev_info(adev->dev, " VCE_LMI_CTRL2=0x%08X\n",
537 RREG32(mmVCE_LMI_CTRL2));
538 dev_info(adev->dev, " VCE_LMI_CTRL=0x%08X\n",
539 RREG32(mmVCE_LMI_CTRL));
540 dev_info(adev->dev, " VCE_LMI_VM_CTRL=0x%08X\n",
541 RREG32(mmVCE_LMI_VM_CTRL));
542 dev_info(adev->dev, " VCE_LMI_SWAP_CNTL=0x%08X\n",
543 RREG32(mmVCE_LMI_SWAP_CNTL));
544 dev_info(adev->dev, " VCE_LMI_SWAP_CNTL1=0x%08X\n",
545 RREG32(mmVCE_LMI_SWAP_CNTL1));
546 dev_info(adev->dev, " VCE_LMI_CACHE_CTRL=0x%08X\n",
547 RREG32(mmVCE_LMI_CACHE_CTRL));
548}
549
550static int vce_v2_0_set_interrupt_state(struct amdgpu_device *adev,
551 struct amdgpu_irq_src *source,
552 unsigned type,
553 enum amdgpu_interrupt_state state)
554{
555 uint32_t val = 0;
556
557 if (state == AMDGPU_IRQ_STATE_ENABLE)
558 val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK;
559
560 WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
561 return 0;
562}
563
564static int vce_v2_0_process_interrupt(struct amdgpu_device *adev,
565 struct amdgpu_irq_src *source,
566 struct amdgpu_iv_entry *entry)
567{
568 DRM_DEBUG("IH: VCE\n");
569 switch (entry->src_data) {
570 case 0:
571 amdgpu_fence_process(&adev->vce.ring[0]);
572 break;
573 case 1:
574 amdgpu_fence_process(&adev->vce.ring[1]);
575 break;
576 default:
577 DRM_ERROR("Unhandled interrupt: %d %d\n",
578 entry->src_id, entry->src_data);
579 break;
580 }
581
582 return 0;
583}
584
585static int vce_v2_0_set_clockgating_state(void *handle,
586 enum amd_clockgating_state state)
587{
588 bool gate = false;
589 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
590
591 if (state == AMD_CG_STATE_GATE)
592 gate = true;
593
594 vce_v2_0_enable_mgcg(adev, gate);
595
596 return 0;
597}
598
599static int vce_v2_0_set_powergating_state(void *handle,
600 enum amd_powergating_state state)
601{
602 /* This doesn't actually powergate the VCE block.
603 * That's done in the dpm code via the SMC. This
604 * just re-inits the block as necessary. The actual
605 * gating still happens in the dpm code. We should
606 * revisit this when there is a cleaner line between
607 * the smc and the hw blocks
608 */
609 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
610
611 if (!(adev->pg_flags & AMD_PG_SUPPORT_VCE))
612 return 0;
613
614 if (state == AMD_PG_STATE_GATE)
615 /* XXX do we need a vce_v2_0_stop()? */
616 return 0;
617 else
618 return vce_v2_0_start(adev);
619}
620
621const struct amd_ip_funcs vce_v2_0_ip_funcs = {
622 .early_init = vce_v2_0_early_init,
623 .late_init = NULL,
624 .sw_init = vce_v2_0_sw_init,
625 .sw_fini = vce_v2_0_sw_fini,
626 .hw_init = vce_v2_0_hw_init,
627 .hw_fini = vce_v2_0_hw_fini,
628 .suspend = vce_v2_0_suspend,
629 .resume = vce_v2_0_resume,
630 .is_idle = vce_v2_0_is_idle,
631 .wait_for_idle = vce_v2_0_wait_for_idle,
632 .soft_reset = vce_v2_0_soft_reset,
633 .print_status = vce_v2_0_print_status,
634 .set_clockgating_state = vce_v2_0_set_clockgating_state,
635 .set_powergating_state = vce_v2_0_set_powergating_state,
636};
637
638static const struct amdgpu_ring_funcs vce_v2_0_ring_funcs = {
639 .get_rptr = vce_v2_0_ring_get_rptr,
640 .get_wptr = vce_v2_0_ring_get_wptr,
641 .set_wptr = vce_v2_0_ring_set_wptr,
642 .parse_cs = amdgpu_vce_ring_parse_cs,
643 .emit_ib = amdgpu_vce_ring_emit_ib,
644 .emit_fence = amdgpu_vce_ring_emit_fence,
645 .test_ring = amdgpu_vce_ring_test_ring,
646 .test_ib = amdgpu_vce_ring_test_ib,
647 .insert_nop = amdgpu_ring_insert_nop,
648 .pad_ib = amdgpu_ring_generic_pad_ib,
649};
650
651static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev)
652{
653 adev->vce.ring[0].funcs = &vce_v2_0_ring_funcs;
654 adev->vce.ring[1].funcs = &vce_v2_0_ring_funcs;
655}
656
657static const struct amdgpu_irq_src_funcs vce_v2_0_irq_funcs = {
658 .set = vce_v2_0_set_interrupt_state,
659 .process = vce_v2_0_process_interrupt,
660};
661
662static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev)
663{
664 adev->vce.irq.num_types = 1;
665 adev->vce.irq.funcs = &vce_v2_0_irq_funcs;
666};
1/*
2 * Copyright 2013 Advanced Micro Devices, Inc.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
19 * USE OR OTHER DEALINGS IN THE SOFTWARE.
20 *
21 * The above copyright notice and this permission notice (including the
22 * next paragraph) shall be included in all copies or substantial portions
23 * of the Software.
24 *
25 * Authors: Christian König <christian.koenig@amd.com>
26 */
27
28#include <linux/firmware.h>
29#include <drm/drmP.h>
30#include "amdgpu.h"
31#include "amdgpu_vce.h"
32#include "cikd.h"
33#include "vce/vce_2_0_d.h"
34#include "vce/vce_2_0_sh_mask.h"
35#include "smu/smu_7_0_1_d.h"
36#include "smu/smu_7_0_1_sh_mask.h"
37#include "oss/oss_2_0_d.h"
38#include "oss/oss_2_0_sh_mask.h"
39
40#define VCE_V2_0_FW_SIZE (256 * 1024)
41#define VCE_V2_0_STACK_SIZE (64 * 1024)
42#define VCE_V2_0_DATA_SIZE (23552 * AMDGPU_MAX_VCE_HANDLES)
43#define VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK 0x02
44
45static void vce_v2_0_mc_resume(struct amdgpu_device *adev);
46static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev);
47static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev);
48static int vce_v2_0_wait_for_idle(void *handle);
49/**
50 * vce_v2_0_ring_get_rptr - get read pointer
51 *
52 * @ring: amdgpu_ring pointer
53 *
54 * Returns the current hardware read pointer
55 */
56static uint32_t vce_v2_0_ring_get_rptr(struct amdgpu_ring *ring)
57{
58 struct amdgpu_device *adev = ring->adev;
59
60 if (ring == &adev->vce.ring[0])
61 return RREG32(mmVCE_RB_RPTR);
62 else
63 return RREG32(mmVCE_RB_RPTR2);
64}
65
66/**
67 * vce_v2_0_ring_get_wptr - get write pointer
68 *
69 * @ring: amdgpu_ring pointer
70 *
71 * Returns the current hardware write pointer
72 */
73static uint32_t vce_v2_0_ring_get_wptr(struct amdgpu_ring *ring)
74{
75 struct amdgpu_device *adev = ring->adev;
76
77 if (ring == &adev->vce.ring[0])
78 return RREG32(mmVCE_RB_WPTR);
79 else
80 return RREG32(mmVCE_RB_WPTR2);
81}
82
83/**
84 * vce_v2_0_ring_set_wptr - set write pointer
85 *
86 * @ring: amdgpu_ring pointer
87 *
88 * Commits the write pointer to the hardware
89 */
90static void vce_v2_0_ring_set_wptr(struct amdgpu_ring *ring)
91{
92 struct amdgpu_device *adev = ring->adev;
93
94 if (ring == &adev->vce.ring[0])
95 WREG32(mmVCE_RB_WPTR, ring->wptr);
96 else
97 WREG32(mmVCE_RB_WPTR2, ring->wptr);
98}
99
100static int vce_v2_0_lmi_clean(struct amdgpu_device *adev)
101{
102 int i, j;
103
104 for (i = 0; i < 10; ++i) {
105 for (j = 0; j < 100; ++j) {
106 uint32_t status = RREG32(mmVCE_LMI_STATUS);
107
108 if (status & 0x337f)
109 return 0;
110 mdelay(10);
111 }
112 }
113
114 return -ETIMEDOUT;
115}
116
117static int vce_v2_0_firmware_loaded(struct amdgpu_device *adev)
118{
119 int i, j;
120
121 for (i = 0; i < 10; ++i) {
122 for (j = 0; j < 100; ++j) {
123 uint32_t status = RREG32(mmVCE_STATUS);
124
125 if (status & VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK)
126 return 0;
127 mdelay(10);
128 }
129
130 DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
131 WREG32_P(mmVCE_SOFT_RESET,
132 VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
133 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
134 mdelay(10);
135 WREG32_P(mmVCE_SOFT_RESET, 0,
136 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
137 mdelay(10);
138 }
139
140 return -ETIMEDOUT;
141}
142
143/**
144 * vce_v2_0_start - start VCE block
145 *
146 * @adev: amdgpu_device pointer
147 *
148 * Setup and start the VCE block
149 */
150static int vce_v2_0_start(struct amdgpu_device *adev)
151{
152 struct amdgpu_ring *ring;
153 int r;
154
155 vce_v2_0_mc_resume(adev);
156
157 /* set BUSY flag */
158 WREG32_P(mmVCE_STATUS, 1, ~1);
159
160 ring = &adev->vce.ring[0];
161 WREG32(mmVCE_RB_RPTR, ring->wptr);
162 WREG32(mmVCE_RB_WPTR, ring->wptr);
163 WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr);
164 WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
165 WREG32(mmVCE_RB_SIZE, ring->ring_size / 4);
166
167 ring = &adev->vce.ring[1];
168 WREG32(mmVCE_RB_RPTR2, ring->wptr);
169 WREG32(mmVCE_RB_WPTR2, ring->wptr);
170 WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr);
171 WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
172 WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
173
174 WREG32_FIELD(VCE_VCPU_CNTL, CLK_EN, 1);
175 WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 1);
176 mdelay(100);
177 WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 0);
178
179 r = vce_v2_0_firmware_loaded(adev);
180
181 /* clear BUSY flag */
182 WREG32_P(mmVCE_STATUS, 0, ~1);
183
184 if (r) {
185 DRM_ERROR("VCE not responding, giving up!!!\n");
186 return r;
187 }
188
189 return 0;
190}
191
192static int vce_v2_0_early_init(void *handle)
193{
194 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
195
196 adev->vce.num_rings = 2;
197
198 vce_v2_0_set_ring_funcs(adev);
199 vce_v2_0_set_irq_funcs(adev);
200
201 return 0;
202}
203
204static int vce_v2_0_sw_init(void *handle)
205{
206 struct amdgpu_ring *ring;
207 int r, i;
208 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
209
210 /* VCE */
211 r = amdgpu_irq_add_id(adev, 167, &adev->vce.irq);
212 if (r)
213 return r;
214
215 r = amdgpu_vce_sw_init(adev, VCE_V2_0_FW_SIZE +
216 VCE_V2_0_STACK_SIZE + VCE_V2_0_DATA_SIZE);
217 if (r)
218 return r;
219
220 r = amdgpu_vce_resume(adev);
221 if (r)
222 return r;
223
224 for (i = 0; i < adev->vce.num_rings; i++) {
225 ring = &adev->vce.ring[i];
226 sprintf(ring->name, "vce%d", i);
227 r = amdgpu_ring_init(adev, ring, 512,
228 &adev->vce.irq, 0);
229 if (r)
230 return r;
231 }
232
233 return r;
234}
235
236static int vce_v2_0_sw_fini(void *handle)
237{
238 int r;
239 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
240
241 r = amdgpu_vce_suspend(adev);
242 if (r)
243 return r;
244
245 r = amdgpu_vce_sw_fini(adev);
246 if (r)
247 return r;
248
249 return r;
250}
251
252static int vce_v2_0_hw_init(void *handle)
253{
254 int r, i;
255 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
256
257 r = vce_v2_0_start(adev);
258 /* this error mean vcpu not in running state, so just skip ring test, not stop driver initialize */
259 if (r)
260 return 0;
261
262 for (i = 0; i < adev->vce.num_rings; i++)
263 adev->vce.ring[i].ready = false;
264
265 for (i = 0; i < adev->vce.num_rings; i++) {
266 r = amdgpu_ring_test_ring(&adev->vce.ring[i]);
267 if (r)
268 return r;
269 else
270 adev->vce.ring[i].ready = true;
271 }
272
273 DRM_INFO("VCE initialized successfully.\n");
274
275 return 0;
276}
277
278static int vce_v2_0_hw_fini(void *handle)
279{
280 return 0;
281}
282
283static int vce_v2_0_suspend(void *handle)
284{
285 int r;
286 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
287
288 r = vce_v2_0_hw_fini(adev);
289 if (r)
290 return r;
291
292 r = amdgpu_vce_suspend(adev);
293 if (r)
294 return r;
295
296 return r;
297}
298
299static int vce_v2_0_resume(void *handle)
300{
301 int r;
302 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
303
304 r = amdgpu_vce_resume(adev);
305 if (r)
306 return r;
307
308 r = vce_v2_0_hw_init(adev);
309 if (r)
310 return r;
311
312 return r;
313}
314
315static void vce_v2_0_set_sw_cg(struct amdgpu_device *adev, bool gated)
316{
317 u32 tmp;
318
319 if (gated) {
320 tmp = RREG32(mmVCE_CLOCK_GATING_B);
321 tmp |= 0xe70000;
322 WREG32(mmVCE_CLOCK_GATING_B, tmp);
323
324 tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
325 tmp |= 0xff000000;
326 WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
327
328 tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
329 tmp &= ~0x3fc;
330 WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
331
332 WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
333 } else {
334 tmp = RREG32(mmVCE_CLOCK_GATING_B);
335 tmp |= 0xe7;
336 tmp &= ~0xe70000;
337 WREG32(mmVCE_CLOCK_GATING_B, tmp);
338
339 tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
340 tmp |= 0x1fe000;
341 tmp &= ~0xff000000;
342 WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
343
344 tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
345 tmp |= 0x3fc;
346 WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
347 }
348}
349
350static void vce_v2_0_set_dyn_cg(struct amdgpu_device *adev, bool gated)
351{
352 if (vce_v2_0_wait_for_idle(adev)) {
353 DRM_INFO("VCE is busy, Can't set clock gateing");
354 return;
355 }
356
357 WREG32_P(mmVCE_LMI_CTRL2, 0x100, ~0x100);
358
359 if (vce_v2_0_lmi_clean(adev)) {
360 DRM_INFO("LMI is busy, Can't set clock gateing");
361 return;
362 }
363
364 WREG32_P(mmVCE_VCPU_CNTL, 0, ~VCE_VCPU_CNTL__CLK_EN_MASK);
365 WREG32_P(mmVCE_SOFT_RESET,
366 VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
367 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
368 WREG32(mmVCE_STATUS, 0);
369
370 if (gated)
371 WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
372 /* LMI_MC/LMI_UMC always set in dynamic, set {CGC_*_GATE_MODE, CGC_*_SW_GATE} = {0, 0} */
373 if (gated) {
374 /* Force CLOCK OFF , set {CGC_*_GATE_MODE, CGC_*_SW_GATE} = {*, 1} */
375 WREG32(mmVCE_CLOCK_GATING_B, 0xe90010);
376 } else {
377 /* Force CLOCK ON, set {CGC_*_GATE_MODE, CGC_*_SW_GATE} = {1, 0} */
378 WREG32(mmVCE_CLOCK_GATING_B, 0x800f1);
379 }
380
381 /* Set VCE_UENC_CLOCK_GATING always in dynamic mode {*_FORCE_ON, *_FORCE_OFF} = {0, 0}*/;
382 WREG32(mmVCE_UENC_CLOCK_GATING, 0x40);
383
384 /* set VCE_UENC_REG_CLOCK_GATING always in dynamic mode */
385 WREG32(mmVCE_UENC_REG_CLOCK_GATING, 0x00);
386
387 WREG32_P(mmVCE_LMI_CTRL2, 0, ~0x100);
388 if(!gated) {
389 WREG32_P(mmVCE_VCPU_CNTL, VCE_VCPU_CNTL__CLK_EN_MASK, ~VCE_VCPU_CNTL__CLK_EN_MASK);
390 mdelay(100);
391 WREG32_P(mmVCE_SOFT_RESET, 0, ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
392
393 vce_v2_0_firmware_loaded(adev);
394 WREG32_P(mmVCE_STATUS, 0, ~VCE_STATUS__JOB_BUSY_MASK);
395 }
396}
397
398static void vce_v2_0_disable_cg(struct amdgpu_device *adev)
399{
400 WREG32(mmVCE_CGTT_CLK_OVERRIDE, 7);
401}
402
403static void vce_v2_0_enable_mgcg(struct amdgpu_device *adev, bool enable)
404{
405 bool sw_cg = false;
406
407 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG)) {
408 if (sw_cg)
409 vce_v2_0_set_sw_cg(adev, true);
410 else
411 vce_v2_0_set_dyn_cg(adev, true);
412 } else {
413 vce_v2_0_disable_cg(adev);
414
415 if (sw_cg)
416 vce_v2_0_set_sw_cg(adev, false);
417 else
418 vce_v2_0_set_dyn_cg(adev, false);
419 }
420}
421
422static void vce_v2_0_init_cg(struct amdgpu_device *adev)
423{
424 u32 tmp;
425
426 tmp = RREG32(mmVCE_CLOCK_GATING_A);
427 tmp &= ~0xfff;
428 tmp |= ((0 << 0) | (4 << 4));
429 tmp |= 0x40000;
430 WREG32(mmVCE_CLOCK_GATING_A, tmp);
431
432 tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
433 tmp &= ~0xfff;
434 tmp |= ((0 << 0) | (4 << 4));
435 WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
436
437 tmp = RREG32(mmVCE_CLOCK_GATING_B);
438 tmp |= 0x10;
439 tmp &= ~0x100000;
440 WREG32(mmVCE_CLOCK_GATING_B, tmp);
441}
442
443static void vce_v2_0_mc_resume(struct amdgpu_device *adev)
444{
445 uint64_t addr = adev->vce.gpu_addr;
446 uint32_t size;
447
448 WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16));
449 WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
450 WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
451 WREG32(mmVCE_CLOCK_GATING_B, 0xf7);
452
453 WREG32(mmVCE_LMI_CTRL, 0x00398000);
454 WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1);
455 WREG32(mmVCE_LMI_SWAP_CNTL, 0);
456 WREG32(mmVCE_LMI_SWAP_CNTL1, 0);
457 WREG32(mmVCE_LMI_VM_CTRL, 0);
458
459 addr += AMDGPU_VCE_FIRMWARE_OFFSET;
460 size = VCE_V2_0_FW_SIZE;
461 WREG32(mmVCE_VCPU_CACHE_OFFSET0, addr & 0x7fffffff);
462 WREG32(mmVCE_VCPU_CACHE_SIZE0, size);
463
464 addr += size;
465 size = VCE_V2_0_STACK_SIZE;
466 WREG32(mmVCE_VCPU_CACHE_OFFSET1, addr & 0x7fffffff);
467 WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
468
469 addr += size;
470 size = VCE_V2_0_DATA_SIZE;
471 WREG32(mmVCE_VCPU_CACHE_OFFSET2, addr & 0x7fffffff);
472 WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
473
474 WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100);
475 WREG32_FIELD(VCE_SYS_INT_EN, VCE_SYS_INT_TRAP_INTERRUPT_EN, 1);
476
477 vce_v2_0_init_cg(adev);
478}
479
480static bool vce_v2_0_is_idle(void *handle)
481{
482 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
483
484 return !(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK);
485}
486
487static int vce_v2_0_wait_for_idle(void *handle)
488{
489 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
490 unsigned i;
491
492 for (i = 0; i < adev->usec_timeout; i++) {
493 if (vce_v2_0_is_idle(handle))
494 return 0;
495 }
496 return -ETIMEDOUT;
497}
498
499static int vce_v2_0_soft_reset(void *handle)
500{
501 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
502
503 WREG32_FIELD(SRBM_SOFT_RESET, SOFT_RESET_VCE, 1);
504 mdelay(5);
505
506 return vce_v2_0_start(adev);
507}
508
509static int vce_v2_0_set_interrupt_state(struct amdgpu_device *adev,
510 struct amdgpu_irq_src *source,
511 unsigned type,
512 enum amdgpu_interrupt_state state)
513{
514 uint32_t val = 0;
515
516 if (state == AMDGPU_IRQ_STATE_ENABLE)
517 val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK;
518
519 WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
520 return 0;
521}
522
523static int vce_v2_0_process_interrupt(struct amdgpu_device *adev,
524 struct amdgpu_irq_src *source,
525 struct amdgpu_iv_entry *entry)
526{
527 DRM_DEBUG("IH: VCE\n");
528 switch (entry->src_data) {
529 case 0:
530 case 1:
531 amdgpu_fence_process(&adev->vce.ring[entry->src_data]);
532 break;
533 default:
534 DRM_ERROR("Unhandled interrupt: %d %d\n",
535 entry->src_id, entry->src_data);
536 break;
537 }
538
539 return 0;
540}
541
542static void vce_v2_0_set_bypass_mode(struct amdgpu_device *adev, bool enable)
543{
544 u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL);
545
546 if (enable)
547 tmp |= GCK_DFS_BYPASS_CNTL__BYPASSECLK_MASK;
548 else
549 tmp &= ~GCK_DFS_BYPASS_CNTL__BYPASSECLK_MASK;
550
551 WREG32_SMC(ixGCK_DFS_BYPASS_CNTL, tmp);
552}
553
554
555static int vce_v2_0_set_clockgating_state(void *handle,
556 enum amd_clockgating_state state)
557{
558 bool gate = false;
559 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
560 bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
561
562
563 vce_v2_0_set_bypass_mode(adev, enable);
564
565 if (state == AMD_CG_STATE_GATE)
566 gate = true;
567
568 vce_v2_0_enable_mgcg(adev, gate);
569
570 return 0;
571}
572
573static int vce_v2_0_set_powergating_state(void *handle,
574 enum amd_powergating_state state)
575{
576 /* This doesn't actually powergate the VCE block.
577 * That's done in the dpm code via the SMC. This
578 * just re-inits the block as necessary. The actual
579 * gating still happens in the dpm code. We should
580 * revisit this when there is a cleaner line between
581 * the smc and the hw blocks
582 */
583 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
584
585 if (!(adev->pg_flags & AMD_PG_SUPPORT_VCE))
586 return 0;
587
588 if (state == AMD_PG_STATE_GATE)
589 /* XXX do we need a vce_v2_0_stop()? */
590 return 0;
591 else
592 return vce_v2_0_start(adev);
593}
594
595static const struct amd_ip_funcs vce_v2_0_ip_funcs = {
596 .name = "vce_v2_0",
597 .early_init = vce_v2_0_early_init,
598 .late_init = NULL,
599 .sw_init = vce_v2_0_sw_init,
600 .sw_fini = vce_v2_0_sw_fini,
601 .hw_init = vce_v2_0_hw_init,
602 .hw_fini = vce_v2_0_hw_fini,
603 .suspend = vce_v2_0_suspend,
604 .resume = vce_v2_0_resume,
605 .is_idle = vce_v2_0_is_idle,
606 .wait_for_idle = vce_v2_0_wait_for_idle,
607 .soft_reset = vce_v2_0_soft_reset,
608 .set_clockgating_state = vce_v2_0_set_clockgating_state,
609 .set_powergating_state = vce_v2_0_set_powergating_state,
610};
611
612static const struct amdgpu_ring_funcs vce_v2_0_ring_funcs = {
613 .type = AMDGPU_RING_TYPE_VCE,
614 .align_mask = 0xf,
615 .nop = VCE_CMD_NO_OP,
616 .get_rptr = vce_v2_0_ring_get_rptr,
617 .get_wptr = vce_v2_0_ring_get_wptr,
618 .set_wptr = vce_v2_0_ring_set_wptr,
619 .parse_cs = amdgpu_vce_ring_parse_cs,
620 .emit_frame_size = 6, /* amdgpu_vce_ring_emit_fence x1 no user fence */
621 .emit_ib_size = 4, /* amdgpu_vce_ring_emit_ib */
622 .emit_ib = amdgpu_vce_ring_emit_ib,
623 .emit_fence = amdgpu_vce_ring_emit_fence,
624 .test_ring = amdgpu_vce_ring_test_ring,
625 .test_ib = amdgpu_vce_ring_test_ib,
626 .insert_nop = amdgpu_ring_insert_nop,
627 .pad_ib = amdgpu_ring_generic_pad_ib,
628 .begin_use = amdgpu_vce_ring_begin_use,
629 .end_use = amdgpu_vce_ring_end_use,
630};
631
632static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev)
633{
634 int i;
635
636 for (i = 0; i < adev->vce.num_rings; i++)
637 adev->vce.ring[i].funcs = &vce_v2_0_ring_funcs;
638}
639
640static const struct amdgpu_irq_src_funcs vce_v2_0_irq_funcs = {
641 .set = vce_v2_0_set_interrupt_state,
642 .process = vce_v2_0_process_interrupt,
643};
644
645static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev)
646{
647 adev->vce.irq.num_types = 1;
648 adev->vce.irq.funcs = &vce_v2_0_irq_funcs;
649};
650
651const struct amdgpu_ip_block_version vce_v2_0_ip_block =
652{
653 .type = AMD_IP_BLOCK_TYPE_VCE,
654 .major = 2,
655 .minor = 0,
656 .rev = 0,
657 .funcs = &vce_v2_0_ip_funcs,
658};