1/*
2 * Copyright 2014 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 K��nig <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 "vid.h"
30#include "uvd/uvd_6_0_d.h"
31#include "uvd/uvd_6_0_sh_mask.h"
32#include "oss/oss_2_0_d.h"
33#include "oss/oss_2_0_sh_mask.h"
34
35static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev);
36static void uvd_v6_0_set_irq_funcs(struct amdgpu_device *adev);
37static int uvd_v6_0_start(struct amdgpu_device *adev);
38static void uvd_v6_0_stop(struct amdgpu_device *adev);
39
40/**
41 * uvd_v6_0_ring_get_rptr - get read pointer
42 *
43 * @ring: amdgpu_ring pointer
44 *
45 * Returns the current hardware read pointer
46 */
47static uint32_t uvd_v6_0_ring_get_rptr(struct amdgpu_ring *ring)
48{
49	struct amdgpu_device *adev = ring->adev;
50
51	return RREG32(mmUVD_RBC_RB_RPTR);
52}
53
54/**
55 * uvd_v6_0_ring_get_wptr - get write pointer
56 *
57 * @ring: amdgpu_ring pointer
58 *
59 * Returns the current hardware write pointer
60 */
61static uint32_t uvd_v6_0_ring_get_wptr(struct amdgpu_ring *ring)
62{
63	struct amdgpu_device *adev = ring->adev;
64
65	return RREG32(mmUVD_RBC_RB_WPTR);
66}
67
68/**
69 * uvd_v6_0_ring_set_wptr - set write pointer
70 *
71 * @ring: amdgpu_ring pointer
72 *
73 * Commits the write pointer to the hardware
74 */
75static void uvd_v6_0_ring_set_wptr(struct amdgpu_ring *ring)
76{
77	struct amdgpu_device *adev = ring->adev;
78
79	WREG32(mmUVD_RBC_RB_WPTR, ring->wptr);
80}
81
82static int uvd_v6_0_early_init(void *handle)
83{
84	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
85
86	uvd_v6_0_set_ring_funcs(adev);
87	uvd_v6_0_set_irq_funcs(adev);
88
89	return 0;
90}
91
92static int uvd_v6_0_sw_init(void *handle)
93{
94	struct amdgpu_ring *ring;
95	int r;
96	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
97
98	/* UVD TRAP */
99	r = amdgpu_irq_add_id(adev, 124, &adev->uvd.irq);
100	if (r)
101		return r;
102
103	r = amdgpu_uvd_sw_init(adev);
104	if (r)
105		return r;
106
107	r = amdgpu_uvd_resume(adev);
108	if (r)
109		return r;
110
111	ring = &adev->uvd.ring;
112	sprintf(ring->name, "uvd");
113	r = amdgpu_ring_init(adev, ring, 4096, CP_PACKET2, 0xf,
114			     &adev->uvd.irq, 0, AMDGPU_RING_TYPE_UVD);
115
116	return r;
117}
118
119static int uvd_v6_0_sw_fini(void *handle)
120{
121	int r;
122	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
123
124	r = amdgpu_uvd_suspend(adev);
125	if (r)
126		return r;
127
128	r = amdgpu_uvd_sw_fini(adev);
129	if (r)
130		return r;
131
132	return r;
133}
134
135/**
136 * uvd_v6_0_hw_init - start and test UVD block
137 *
138 * @adev: amdgpu_device pointer
139 *
140 * Initialize the hardware, boot up the VCPU and do some testing
141 */
142static int uvd_v6_0_hw_init(void *handle)
143{
144	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
145	struct amdgpu_ring *ring = &adev->uvd.ring;
146	uint32_t tmp;
147	int r;
148
149	r = uvd_v6_0_start(adev);
150	if (r)
151		goto done;
152
153	ring->ready = true;
154	r = amdgpu_ring_test_ring(ring);
155	if (r) {
156		ring->ready = false;
157		goto done;
158	}
159
160	r = amdgpu_ring_lock(ring, 10);
161	if (r) {
162		DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r);
163		goto done;
164	}
165
166	tmp = PACKET0(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0);
167	amdgpu_ring_write(ring, tmp);
168	amdgpu_ring_write(ring, 0xFFFFF);
169
170	tmp = PACKET0(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0);
171	amdgpu_ring_write(ring, tmp);
172	amdgpu_ring_write(ring, 0xFFFFF);
173
174	tmp = PACKET0(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0);
175	amdgpu_ring_write(ring, tmp);
176	amdgpu_ring_write(ring, 0xFFFFF);
177
178	/* Clear timeout status bits */
179	amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_TIMEOUT_STATUS, 0));
180	amdgpu_ring_write(ring, 0x8);
181
182	amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CNTL, 0));
183	amdgpu_ring_write(ring, 3);
184
185	amdgpu_ring_unlock_commit(ring);
186
187done:
188	if (!r)
189		DRM_INFO("UVD initialized successfully.\n");
190
191	return r;
192}
193
194/**
195 * uvd_v6_0_hw_fini - stop the hardware block
196 *
197 * @adev: amdgpu_device pointer
198 *
199 * Stop the UVD block, mark ring as not ready any more
200 */
201static int uvd_v6_0_hw_fini(void *handle)
202{
203	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
204	struct amdgpu_ring *ring = &adev->uvd.ring;
205
206	uvd_v6_0_stop(adev);
207	ring->ready = false;
208
209	return 0;
210}
211
212static int uvd_v6_0_suspend(void *handle)
213{
214	int r;
215	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
216
217	/* Skip this for APU for now */
218	if (!(adev->flags & AMD_IS_APU)) {
219		r = amdgpu_uvd_suspend(adev);
220		if (r)
221			return r;
222	}
223	r = uvd_v6_0_hw_fini(adev);
224	if (r)
225		return r;
226
227	return r;
228}
229
230static int uvd_v6_0_resume(void *handle)
231{
232	int r;
233	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
234
235	/* Skip this for APU for now */
236	if (!(adev->flags & AMD_IS_APU)) {
237		r = amdgpu_uvd_resume(adev);
238		if (r)
239			return r;
240	}
241	r = uvd_v6_0_hw_init(adev);
242	if (r)
243		return r;
244
245	return r;
246}
247
248/**
249 * uvd_v6_0_mc_resume - memory controller programming
250 *
251 * @adev: amdgpu_device pointer
252 *
253 * Let the UVD memory controller know it's offsets
254 */
255static void uvd_v6_0_mc_resume(struct amdgpu_device *adev)
256{
257	uint64_t offset;
258	uint32_t size;
259
260	/* programm memory controller bits 0-27 */
261	WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
262			lower_32_bits(adev->uvd.gpu_addr));
263	WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
264			upper_32_bits(adev->uvd.gpu_addr));
265
266	offset = AMDGPU_UVD_FIRMWARE_OFFSET;
267	size = AMDGPU_GPU_PAGE_ALIGN(adev->uvd.fw->size + 4);
268	WREG32(mmUVD_VCPU_CACHE_OFFSET0, offset >> 3);
269	WREG32(mmUVD_VCPU_CACHE_SIZE0, size);
270
271	offset += size;
272	size = AMDGPU_UVD_STACK_SIZE;
273	WREG32(mmUVD_VCPU_CACHE_OFFSET1, offset >> 3);
274	WREG32(mmUVD_VCPU_CACHE_SIZE1, size);
275
276	offset += size;
277	size = AMDGPU_UVD_HEAP_SIZE;
278	WREG32(mmUVD_VCPU_CACHE_OFFSET2, offset >> 3);
279	WREG32(mmUVD_VCPU_CACHE_SIZE2, size);
280}
281
282/**
283 * uvd_v6_0_start - start UVD block
284 *
285 * @adev: amdgpu_device pointer
286 *
287 * Setup and start the UVD block
288 */
289static int uvd_v6_0_start(struct amdgpu_device *adev)
290{
291	struct amdgpu_ring *ring = &adev->uvd.ring;
292	uint32_t rb_bufsz, tmp;
293	uint32_t lmi_swap_cntl;
294	uint32_t mp_swap_cntl;
295	int i, j, r;
296
297	/*disable DPG */
298	WREG32_P(mmUVD_POWER_STATUS, 0, ~(1 << 2));
299
300	/* disable byte swapping */
301	lmi_swap_cntl = 0;
302	mp_swap_cntl = 0;
303
304	uvd_v6_0_mc_resume(adev);
305
306	/* disable clock gating */
307	WREG32(mmUVD_CGC_GATE, 0);
308
309	/* disable interupt */
310	WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1));
311
312	/* stall UMC and register bus before resetting VCPU */
313	WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
314	mdelay(1);
315
316	/* put LMI, VCPU, RBC etc... into reset */
317	WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK |
318		UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK |
319		UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | UVD_SOFT_RESET__CSM_SOFT_RESET_MASK |
320		UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | UVD_SOFT_RESET__TAP_SOFT_RESET_MASK |
321		UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
322	mdelay(5);
323
324	/* take UVD block out of reset */
325	WREG32_P(mmSRBM_SOFT_RESET, 0, ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK);
326	mdelay(5);
327
328	/* initialize UVD memory controller */
329	WREG32(mmUVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) |
330			     (1 << 21) | (1 << 9) | (1 << 20));
331
332#ifdef __BIG_ENDIAN
333	/* swap (8 in 32) RB and IB */
334	lmi_swap_cntl = 0xa;
335	mp_swap_cntl = 0;
336#endif
337	WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
338	WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl);
339
340	WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040);
341	WREG32(mmUVD_MPC_SET_MUXA1, 0x0);
342	WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040);
343	WREG32(mmUVD_MPC_SET_MUXB1, 0x0);
344	WREG32(mmUVD_MPC_SET_ALU, 0);
345	WREG32(mmUVD_MPC_SET_MUX, 0x88);
346
347	/* take all subblocks out of reset, except VCPU */
348	WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
349	mdelay(5);
350
351	/* enable VCPU clock */
352	WREG32(mmUVD_VCPU_CNTL,  1 << 9);
353
354	/* enable UMC */
355	WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8));
356
357	/* boot up the VCPU */
358	WREG32(mmUVD_SOFT_RESET, 0);
359	mdelay(10);
360
361	for (i = 0; i < 10; ++i) {
362		uint32_t status;
363
364		for (j = 0; j < 100; ++j) {
365			status = RREG32(mmUVD_STATUS);
366			if (status & 2)
367				break;
368			mdelay(10);
369		}
370		r = 0;
371		if (status & 2)
372			break;
373
374		DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n");
375		WREG32_P(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
376				~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
377		mdelay(10);
378		WREG32_P(mmUVD_SOFT_RESET, 0,
379			 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
380		mdelay(10);
381		r = -1;
382	}
383
384	if (r) {
385		DRM_ERROR("UVD not responding, giving up!!!\n");
386		return r;
387	}
388	/* enable master interrupt */
389	WREG32_P(mmUVD_MASTINT_EN, 3 << 1, ~(3 << 1));
390
391	/* clear the bit 4 of UVD_STATUS */
392	WREG32_P(mmUVD_STATUS, 0, ~(2 << 1));
393
394	rb_bufsz = order_base_2(ring->ring_size);
395	tmp = 0;
396	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
397	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
398	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
399	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0);
400	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
401	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
402	/* force RBC into idle state */
403	WREG32(mmUVD_RBC_RB_CNTL, tmp);
404
405	/* set the write pointer delay */
406	WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0);
407
408	/* set the wb address */
409	WREG32(mmUVD_RBC_RB_RPTR_ADDR, (upper_32_bits(ring->gpu_addr) >> 2));
410
411	/* programm the RB_BASE for ring buffer */
412	WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
413			lower_32_bits(ring->gpu_addr));
414	WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
415			upper_32_bits(ring->gpu_addr));
416
417	/* Initialize the ring buffer's read and write pointers */
418	WREG32(mmUVD_RBC_RB_RPTR, 0);
419
420	ring->wptr = RREG32(mmUVD_RBC_RB_RPTR);
421	WREG32(mmUVD_RBC_RB_WPTR, ring->wptr);
422
423	WREG32_P(mmUVD_RBC_RB_CNTL, 0, ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
424
425	return 0;
426}
427
428/**
429 * uvd_v6_0_stop - stop UVD block
430 *
431 * @adev: amdgpu_device pointer
432 *
433 * stop the UVD block
434 */
435static void uvd_v6_0_stop(struct amdgpu_device *adev)
436{
437	/* force RBC into idle state */
438	WREG32(mmUVD_RBC_RB_CNTL, 0x11010101);
439
440	/* Stall UMC and register bus before resetting VCPU */
441	WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
442	mdelay(1);
443
444	/* put VCPU into reset */
445	WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
446	mdelay(5);
447
448	/* disable VCPU clock */
449	WREG32(mmUVD_VCPU_CNTL, 0x0);
450
451	/* Unstall UMC and register bus */
452	WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8));
453}
454
455/**
456 * uvd_v6_0_ring_emit_fence - emit an fence & trap command
457 *
458 * @ring: amdgpu_ring pointer
459 * @fence: fence to emit
460 *
461 * Write a fence and a trap command to the ring.
462 */
463static void uvd_v6_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
464				     unsigned flags)
465{
466	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
467
468	amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0));
469	amdgpu_ring_write(ring, seq);
470	amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
471	amdgpu_ring_write(ring, addr & 0xffffffff);
472	amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
473	amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
474	amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
475	amdgpu_ring_write(ring, 0);
476
477	amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
478	amdgpu_ring_write(ring, 0);
479	amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
480	amdgpu_ring_write(ring, 0);
481	amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
482	amdgpu_ring_write(ring, 2);
483}
484
485/**
486 * uvd_v6_0_ring_emit_semaphore - emit semaphore command
487 *
488 * @ring: amdgpu_ring pointer
489 * @semaphore: semaphore to emit commands for
490 * @emit_wait: true if we should emit a wait command
491 *
492 * Emit a semaphore command (either wait or signal) to the UVD ring.
493 */
494static bool uvd_v6_0_ring_emit_semaphore(struct amdgpu_ring *ring,
495					 struct amdgpu_semaphore *semaphore,
496					 bool emit_wait)
497{
498	uint64_t addr = semaphore->gpu_addr;
499
500	amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_ADDR_LOW, 0));
501	amdgpu_ring_write(ring, (addr >> 3) & 0x000FFFFF);
502
503	amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_ADDR_HIGH, 0));
504	amdgpu_ring_write(ring, (addr >> 23) & 0x000FFFFF);
505
506	amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CMD, 0));
507	amdgpu_ring_write(ring, 0x80 | (emit_wait ? 1 : 0));
508
509	return true;
510}
511
512/**
513 * uvd_v6_0_ring_test_ring - register write test
514 *
515 * @ring: amdgpu_ring pointer
516 *
517 * Test if we can successfully write to the context register
518 */
519static int uvd_v6_0_ring_test_ring(struct amdgpu_ring *ring)
520{
521	struct amdgpu_device *adev = ring->adev;
522	uint32_t tmp = 0;
523	unsigned i;
524	int r;
525
526	WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD);
527	r = amdgpu_ring_lock(ring, 3);
528	if (r) {
529		DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
530			  ring->idx, r);
531		return r;
532	}
533	amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0));
534	amdgpu_ring_write(ring, 0xDEADBEEF);
535	amdgpu_ring_unlock_commit(ring);
536	for (i = 0; i < adev->usec_timeout; i++) {
537		tmp = RREG32(mmUVD_CONTEXT_ID);
538		if (tmp == 0xDEADBEEF)
539			break;
540		DRM_UDELAY(1);
541	}
542
543	if (i < adev->usec_timeout) {
544		DRM_INFO("ring test on %d succeeded in %d usecs\n",
545			 ring->idx, i);
546	} else {
547		DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n",
548			  ring->idx, tmp);
549		r = -EINVAL;
550	}
551	return r;
552}
553
554/**
555 * uvd_v6_0_ring_emit_ib - execute indirect buffer
556 *
557 * @ring: amdgpu_ring pointer
558 * @ib: indirect buffer to execute
559 *
560 * Write ring commands to execute the indirect buffer
561 */
562static void uvd_v6_0_ring_emit_ib(struct amdgpu_ring *ring,
563				  struct amdgpu_ib *ib)
564{
565	amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_LOW, 0));
566	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
567	amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH, 0));
568	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
569	amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0));
570	amdgpu_ring_write(ring, ib->length_dw);
571}
572
573/**
574 * uvd_v6_0_ring_test_ib - test ib execution
575 *
576 * @ring: amdgpu_ring pointer
577 *
578 * Test if we can successfully execute an IB
579 */
580static int uvd_v6_0_ring_test_ib(struct amdgpu_ring *ring)
581{
582	struct fence *fence = NULL;
583	int r;
584
585	r = amdgpu_uvd_get_create_msg(ring, 1, NULL);
586	if (r) {
587		DRM_ERROR("amdgpu: failed to get create msg (%d).\n", r);
588		goto error;
589	}
590
591	r = amdgpu_uvd_get_destroy_msg(ring, 1, &fence);
592	if (r) {
593		DRM_ERROR("amdgpu: failed to get destroy ib (%d).\n", r);
594		goto error;
595	}
596
597	r = fence_wait(fence, false);
598	if (r) {
599		DRM_ERROR("amdgpu: fence wait failed (%d).\n", r);
600		goto error;
601	}
602	DRM_INFO("ib test on ring %d succeeded\n",  ring->idx);
603error:
604	fence_put(fence);
605	return r;
606}
607
608static bool uvd_v6_0_is_idle(void *handle)
609{
610	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
611
612	return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK);
613}
614
615static int uvd_v6_0_wait_for_idle(void *handle)
616{
617	unsigned i;
618	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
619
620	for (i = 0; i < adev->usec_timeout; i++) {
621		if (!(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK))
622			return 0;
623	}
624	return -ETIMEDOUT;
625}
626
627static int uvd_v6_0_soft_reset(void *handle)
628{
629	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
630
631	uvd_v6_0_stop(adev);
632
633	WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK,
634			~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK);
635	mdelay(5);
636
637	return uvd_v6_0_start(adev);
638}
639
640static void uvd_v6_0_print_status(void *handle)
641{
642	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
643	dev_info(adev->dev, "UVD 6.0 registers\n");
644	dev_info(adev->dev, "  UVD_SEMA_ADDR_LOW=0x%08X\n",
645		 RREG32(mmUVD_SEMA_ADDR_LOW));
646	dev_info(adev->dev, "  UVD_SEMA_ADDR_HIGH=0x%08X\n",
647		 RREG32(mmUVD_SEMA_ADDR_HIGH));
648	dev_info(adev->dev, "  UVD_SEMA_CMD=0x%08X\n",
649		 RREG32(mmUVD_SEMA_CMD));
650	dev_info(adev->dev, "  UVD_GPCOM_VCPU_CMD=0x%08X\n",
651		 RREG32(mmUVD_GPCOM_VCPU_CMD));
652	dev_info(adev->dev, "  UVD_GPCOM_VCPU_DATA0=0x%08X\n",
653		 RREG32(mmUVD_GPCOM_VCPU_DATA0));
654	dev_info(adev->dev, "  UVD_GPCOM_VCPU_DATA1=0x%08X\n",
655		 RREG32(mmUVD_GPCOM_VCPU_DATA1));
656	dev_info(adev->dev, "  UVD_ENGINE_CNTL=0x%08X\n",
657		 RREG32(mmUVD_ENGINE_CNTL));
658	dev_info(adev->dev, "  UVD_UDEC_ADDR_CONFIG=0x%08X\n",
659		 RREG32(mmUVD_UDEC_ADDR_CONFIG));
660	dev_info(adev->dev, "  UVD_UDEC_DB_ADDR_CONFIG=0x%08X\n",
661		 RREG32(mmUVD_UDEC_DB_ADDR_CONFIG));
662	dev_info(adev->dev, "  UVD_UDEC_DBW_ADDR_CONFIG=0x%08X\n",
663		 RREG32(mmUVD_UDEC_DBW_ADDR_CONFIG));
664	dev_info(adev->dev, "  UVD_SEMA_CNTL=0x%08X\n",
665		 RREG32(mmUVD_SEMA_CNTL));
666	dev_info(adev->dev, "  UVD_LMI_EXT40_ADDR=0x%08X\n",
667		 RREG32(mmUVD_LMI_EXT40_ADDR));
668	dev_info(adev->dev, "  UVD_CTX_INDEX=0x%08X\n",
669		 RREG32(mmUVD_CTX_INDEX));
670	dev_info(adev->dev, "  UVD_CTX_DATA=0x%08X\n",
671		 RREG32(mmUVD_CTX_DATA));
672	dev_info(adev->dev, "  UVD_CGC_GATE=0x%08X\n",
673		 RREG32(mmUVD_CGC_GATE));
674	dev_info(adev->dev, "  UVD_CGC_CTRL=0x%08X\n",
675		 RREG32(mmUVD_CGC_CTRL));
676	dev_info(adev->dev, "  UVD_LMI_CTRL2=0x%08X\n",
677		 RREG32(mmUVD_LMI_CTRL2));
678	dev_info(adev->dev, "  UVD_MASTINT_EN=0x%08X\n",
679		 RREG32(mmUVD_MASTINT_EN));
680	dev_info(adev->dev, "  UVD_LMI_ADDR_EXT=0x%08X\n",
681		 RREG32(mmUVD_LMI_ADDR_EXT));
682	dev_info(adev->dev, "  UVD_LMI_CTRL=0x%08X\n",
683		 RREG32(mmUVD_LMI_CTRL));
684	dev_info(adev->dev, "  UVD_LMI_SWAP_CNTL=0x%08X\n",
685		 RREG32(mmUVD_LMI_SWAP_CNTL));
686	dev_info(adev->dev, "  UVD_MP_SWAP_CNTL=0x%08X\n",
687		 RREG32(mmUVD_MP_SWAP_CNTL));
688	dev_info(adev->dev, "  UVD_MPC_SET_MUXA0=0x%08X\n",
689		 RREG32(mmUVD_MPC_SET_MUXA0));
690	dev_info(adev->dev, "  UVD_MPC_SET_MUXA1=0x%08X\n",
691		 RREG32(mmUVD_MPC_SET_MUXA1));
692	dev_info(adev->dev, "  UVD_MPC_SET_MUXB0=0x%08X\n",
693		 RREG32(mmUVD_MPC_SET_MUXB0));
694	dev_info(adev->dev, "  UVD_MPC_SET_MUXB1=0x%08X\n",
695		 RREG32(mmUVD_MPC_SET_MUXB1));
696	dev_info(adev->dev, "  UVD_MPC_SET_MUX=0x%08X\n",
697		 RREG32(mmUVD_MPC_SET_MUX));
698	dev_info(adev->dev, "  UVD_MPC_SET_ALU=0x%08X\n",
699		 RREG32(mmUVD_MPC_SET_ALU));
700	dev_info(adev->dev, "  UVD_VCPU_CACHE_OFFSET0=0x%08X\n",
701		 RREG32(mmUVD_VCPU_CACHE_OFFSET0));
702	dev_info(adev->dev, "  UVD_VCPU_CACHE_SIZE0=0x%08X\n",
703		 RREG32(mmUVD_VCPU_CACHE_SIZE0));
704	dev_info(adev->dev, "  UVD_VCPU_CACHE_OFFSET1=0x%08X\n",
705		 RREG32(mmUVD_VCPU_CACHE_OFFSET1));
706	dev_info(adev->dev, "  UVD_VCPU_CACHE_SIZE1=0x%08X\n",
707		 RREG32(mmUVD_VCPU_CACHE_SIZE1));
708	dev_info(adev->dev, "  UVD_VCPU_CACHE_OFFSET2=0x%08X\n",
709		 RREG32(mmUVD_VCPU_CACHE_OFFSET2));
710	dev_info(adev->dev, "  UVD_VCPU_CACHE_SIZE2=0x%08X\n",
711		 RREG32(mmUVD_VCPU_CACHE_SIZE2));
712	dev_info(adev->dev, "  UVD_VCPU_CNTL=0x%08X\n",
713		 RREG32(mmUVD_VCPU_CNTL));
714	dev_info(adev->dev, "  UVD_SOFT_RESET=0x%08X\n",
715		 RREG32(mmUVD_SOFT_RESET));
716	dev_info(adev->dev, "  UVD_RBC_IB_SIZE=0x%08X\n",
717		 RREG32(mmUVD_RBC_IB_SIZE));
718	dev_info(adev->dev, "  UVD_RBC_RB_RPTR=0x%08X\n",
719		 RREG32(mmUVD_RBC_RB_RPTR));
720	dev_info(adev->dev, "  UVD_RBC_RB_WPTR=0x%08X\n",
721		 RREG32(mmUVD_RBC_RB_WPTR));
722	dev_info(adev->dev, "  UVD_RBC_RB_WPTR_CNTL=0x%08X\n",
723		 RREG32(mmUVD_RBC_RB_WPTR_CNTL));
724	dev_info(adev->dev, "  UVD_RBC_RB_CNTL=0x%08X\n",
725		 RREG32(mmUVD_RBC_RB_CNTL));
726	dev_info(adev->dev, "  UVD_STATUS=0x%08X\n",
727		 RREG32(mmUVD_STATUS));
728	dev_info(adev->dev, "  UVD_SEMA_TIMEOUT_STATUS=0x%08X\n",
729		 RREG32(mmUVD_SEMA_TIMEOUT_STATUS));
730	dev_info(adev->dev, "  UVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL=0x%08X\n",
731		 RREG32(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL));
732	dev_info(adev->dev, "  UVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL=0x%08X\n",
733		 RREG32(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL));
734	dev_info(adev->dev, "  UVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL=0x%08X\n",
735		 RREG32(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL));
736	dev_info(adev->dev, "  UVD_CONTEXT_ID=0x%08X\n",
737		 RREG32(mmUVD_CONTEXT_ID));
738}
739
740static int uvd_v6_0_set_interrupt_state(struct amdgpu_device *adev,
741					struct amdgpu_irq_src *source,
742					unsigned type,
743					enum amdgpu_interrupt_state state)
744{
745	// TODO
746	return 0;
747}
748
749static int uvd_v6_0_process_interrupt(struct amdgpu_device *adev,
750				      struct amdgpu_irq_src *source,
751				      struct amdgpu_iv_entry *entry)
752{
753	DRM_DEBUG("IH: UVD TRAP\n");
754	amdgpu_fence_process(&adev->uvd.ring);
755	return 0;
756}
757
758static int uvd_v6_0_set_clockgating_state(void *handle,
759					  enum amd_clockgating_state state)
760{
761	return 0;
762}
763
764static int uvd_v6_0_set_powergating_state(void *handle,
765					  enum amd_powergating_state state)
766{
767	/* This doesn't actually powergate the UVD block.
768	 * That's done in the dpm code via the SMC.  This
769	 * just re-inits the block as necessary.  The actual
770	 * gating still happens in the dpm code.  We should
771	 * revisit this when there is a cleaner line between
772	 * the smc and the hw blocks
773	 */
774	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
775
776	if (state == AMD_PG_STATE_GATE) {
777		uvd_v6_0_stop(adev);
778		return 0;
779	} else {
780		return uvd_v6_0_start(adev);
781	}
782}
783
784const struct amd_ip_funcs uvd_v6_0_ip_funcs = {
785	.early_init = uvd_v6_0_early_init,
786	.late_init = NULL,
787	.sw_init = uvd_v6_0_sw_init,
788	.sw_fini = uvd_v6_0_sw_fini,
789	.hw_init = uvd_v6_0_hw_init,
790	.hw_fini = uvd_v6_0_hw_fini,
791	.suspend = uvd_v6_0_suspend,
792	.resume = uvd_v6_0_resume,
793	.is_idle = uvd_v6_0_is_idle,
794	.wait_for_idle = uvd_v6_0_wait_for_idle,
795	.soft_reset = uvd_v6_0_soft_reset,
796	.print_status = uvd_v6_0_print_status,
797	.set_clockgating_state = uvd_v6_0_set_clockgating_state,
798	.set_powergating_state = uvd_v6_0_set_powergating_state,
799};
800
801static const struct amdgpu_ring_funcs uvd_v6_0_ring_funcs = {
802	.get_rptr = uvd_v6_0_ring_get_rptr,
803	.get_wptr = uvd_v6_0_ring_get_wptr,
804	.set_wptr = uvd_v6_0_ring_set_wptr,
805	.parse_cs = amdgpu_uvd_ring_parse_cs,
806	.emit_ib = uvd_v6_0_ring_emit_ib,
807	.emit_fence = uvd_v6_0_ring_emit_fence,
808	.emit_semaphore = uvd_v6_0_ring_emit_semaphore,
809	.test_ring = uvd_v6_0_ring_test_ring,
810	.test_ib = uvd_v6_0_ring_test_ib,
811	.insert_nop = amdgpu_ring_insert_nop,
812};
813
814static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev)
815{
816	adev->uvd.ring.funcs = &uvd_v6_0_ring_funcs;
817}
818
819static const struct amdgpu_irq_src_funcs uvd_v6_0_irq_funcs = {
820	.set = uvd_v6_0_set_interrupt_state,
821	.process = uvd_v6_0_process_interrupt,
822};
823
824static void uvd_v6_0_set_irq_funcs(struct amdgpu_device *adev)
825{
826	adev->uvd.irq.num_types = 1;
827	adev->uvd.irq.funcs = &uvd_v6_0_irq_funcs;
828}
829