xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c (revision 691ca86a)
1 /*
2  * Copyright 2014 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 "vid.h"
33 #include "vce/vce_3_0_d.h"
34 #include "vce/vce_3_0_sh_mask.h"
35 #include "oss/oss_3_0_d.h"
36 #include "oss/oss_3_0_sh_mask.h"
37 #include "gca/gfx_8_0_d.h"
38 #include "smu/smu_7_1_2_d.h"
39 #include "smu/smu_7_1_2_sh_mask.h"
40 
41 #define GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT	0x04
42 #define GRBM_GFX_INDEX__VCE_INSTANCE_MASK	0x10
43 #define mmVCE_LMI_VCPU_CACHE_40BIT_BAR0 	0x8616
44 #define mmVCE_LMI_VCPU_CACHE_40BIT_BAR1 	0x8617
45 #define mmVCE_LMI_VCPU_CACHE_40BIT_BAR2 	0x8618
46 
47 #define VCE_V3_0_FW_SIZE	(384 * 1024)
48 #define VCE_V3_0_STACK_SIZE	(64 * 1024)
49 #define VCE_V3_0_DATA_SIZE	((16 * 1024 * AMDGPU_MAX_VCE_HANDLES) + (52 * 1024))
50 
51 static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx);
52 static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev);
53 static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev);
54 
55 /**
56  * vce_v3_0_ring_get_rptr - get read pointer
57  *
58  * @ring: amdgpu_ring pointer
59  *
60  * Returns the current hardware read pointer
61  */
62 static uint32_t vce_v3_0_ring_get_rptr(struct amdgpu_ring *ring)
63 {
64 	struct amdgpu_device *adev = ring->adev;
65 
66 	if (ring == &adev->vce.ring[0])
67 		return RREG32(mmVCE_RB_RPTR);
68 	else
69 		return RREG32(mmVCE_RB_RPTR2);
70 }
71 
72 /**
73  * vce_v3_0_ring_get_wptr - get write pointer
74  *
75  * @ring: amdgpu_ring pointer
76  *
77  * Returns the current hardware write pointer
78  */
79 static uint32_t vce_v3_0_ring_get_wptr(struct amdgpu_ring *ring)
80 {
81 	struct amdgpu_device *adev = ring->adev;
82 
83 	if (ring == &adev->vce.ring[0])
84 		return RREG32(mmVCE_RB_WPTR);
85 	else
86 		return RREG32(mmVCE_RB_WPTR2);
87 }
88 
89 /**
90  * vce_v3_0_ring_set_wptr - set write pointer
91  *
92  * @ring: amdgpu_ring pointer
93  *
94  * Commits the write pointer to the hardware
95  */
96 static void vce_v3_0_ring_set_wptr(struct amdgpu_ring *ring)
97 {
98 	struct amdgpu_device *adev = ring->adev;
99 
100 	if (ring == &adev->vce.ring[0])
101 		WREG32(mmVCE_RB_WPTR, ring->wptr);
102 	else
103 		WREG32(mmVCE_RB_WPTR2, ring->wptr);
104 }
105 
106 static void vce_v3_0_override_vce_clock_gating(struct amdgpu_device *adev, bool override)
107 {
108 	u32 tmp, data;
109 
110 	tmp = data = RREG32(mmVCE_RB_ARB_CTRL);
111 	if (override)
112 		data |= VCE_RB_ARB_CTRL__VCE_CGTT_OVERRIDE_MASK;
113 	else
114 		data &= ~VCE_RB_ARB_CTRL__VCE_CGTT_OVERRIDE_MASK;
115 
116 	if (tmp != data)
117 		WREG32(mmVCE_RB_ARB_CTRL, data);
118 }
119 
120 static void vce_v3_0_set_vce_sw_clock_gating(struct amdgpu_device *adev,
121 					     bool gated)
122 {
123 	u32 tmp, data;
124 	/* Set Override to disable Clock Gating */
125 	vce_v3_0_override_vce_clock_gating(adev, true);
126 
127 	if (!gated) {
128 		/* Force CLOCK ON for VCE_CLOCK_GATING_B,
129 		 * {*_FORCE_ON, *_FORCE_OFF} = {1, 0}
130 		 * VREG can be FORCE ON or set to Dynamic, but can't be OFF
131 		 */
132 		tmp = data = RREG32(mmVCE_CLOCK_GATING_B);
133 		data |= 0x1ff;
134 		data &= ~0xef0000;
135 		if (tmp != data)
136 			WREG32(mmVCE_CLOCK_GATING_B, data);
137 
138 		/* Force CLOCK ON for VCE_UENC_CLOCK_GATING,
139 		 * {*_FORCE_ON, *_FORCE_OFF} = {1, 0}
140 		 */
141 		tmp = data = RREG32(mmVCE_UENC_CLOCK_GATING);
142 		data |= 0x3ff000;
143 		data &= ~0xffc00000;
144 		if (tmp != data)
145 			WREG32(mmVCE_UENC_CLOCK_GATING, data);
146 
147 		/* set VCE_UENC_CLOCK_GATING_2 */
148 		tmp = data = RREG32(mmVCE_UENC_CLOCK_GATING_2);
149 		data |= 0x2;
150 		data &= ~0x2;
151 		if (tmp != data)
152 			WREG32(mmVCE_UENC_CLOCK_GATING_2, data);
153 
154 		/* Force CLOCK ON for VCE_UENC_REG_CLOCK_GATING */
155 		tmp = data = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
156 		data |= 0x37f;
157 		if (tmp != data)
158 			WREG32(mmVCE_UENC_REG_CLOCK_GATING, data);
159 
160 		/* Force VCE_UENC_DMA_DCLK_CTRL Clock ON */
161 		tmp = data = RREG32(mmVCE_UENC_DMA_DCLK_CTRL);
162 		data |= VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK |
163 				VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK |
164 				VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK  |
165 				0x8;
166 		if (tmp != data)
167 			WREG32(mmVCE_UENC_DMA_DCLK_CTRL, data);
168 	} else {
169 		/* Force CLOCK OFF for VCE_CLOCK_GATING_B,
170 		 * {*, *_FORCE_OFF} = {*, 1}
171 		 * set VREG to Dynamic, as it can't be OFF
172 		 */
173 		tmp = data = RREG32(mmVCE_CLOCK_GATING_B);
174 		data &= ~0x80010;
175 		data |= 0xe70008;
176 		if (tmp != data)
177 			WREG32(mmVCE_CLOCK_GATING_B, data);
178 		/* Force CLOCK OFF for VCE_UENC_CLOCK_GATING,
179 		 * Force ClOCK OFF takes precedent over Force CLOCK ON setting.
180 		 * {*_FORCE_ON, *_FORCE_OFF} = {*, 1}
181 		 */
182 		tmp = data = RREG32(mmVCE_UENC_CLOCK_GATING);
183 		data |= 0xffc00000;
184 		if (tmp != data)
185 			WREG32(mmVCE_UENC_CLOCK_GATING, data);
186 		/* Set VCE_UENC_CLOCK_GATING_2 */
187 		tmp = data = RREG32(mmVCE_UENC_CLOCK_GATING_2);
188 		data |= 0x10000;
189 		if (tmp != data)
190 			WREG32(mmVCE_UENC_CLOCK_GATING_2, data);
191 		/* Set VCE_UENC_REG_CLOCK_GATING to dynamic */
192 		tmp = data = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
193 		data &= ~0xffc00000;
194 		if (tmp != data)
195 			WREG32(mmVCE_UENC_REG_CLOCK_GATING, data);
196 		/* Set VCE_UENC_DMA_DCLK_CTRL CG always in dynamic mode */
197 		tmp = data = RREG32(mmVCE_UENC_DMA_DCLK_CTRL);
198 		data &= ~(VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK |
199 				VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK |
200 				VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK  |
201 				0x8);
202 		if (tmp != data)
203 			WREG32(mmVCE_UENC_DMA_DCLK_CTRL, data);
204 	}
205 	vce_v3_0_override_vce_clock_gating(adev, false);
206 }
207 
208 /**
209  * vce_v3_0_start - start VCE block
210  *
211  * @adev: amdgpu_device pointer
212  *
213  * Setup and start the VCE block
214  */
215 static int vce_v3_0_start(struct amdgpu_device *adev)
216 {
217 	struct amdgpu_ring *ring;
218 	int idx, i, j, r;
219 
220 	mutex_lock(&adev->grbm_idx_mutex);
221 	for (idx = 0; idx < 2; ++idx) {
222 
223 		if (adev->vce.harvest_config & (1 << idx))
224 			continue;
225 
226 		if (idx == 0)
227 			WREG32_P(mmGRBM_GFX_INDEX, 0,
228 				~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
229 		else
230 			WREG32_P(mmGRBM_GFX_INDEX,
231 				GRBM_GFX_INDEX__VCE_INSTANCE_MASK,
232 				~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
233 
234 		vce_v3_0_mc_resume(adev, idx);
235 
236 		/* set BUSY flag */
237 		WREG32_P(mmVCE_STATUS, 1, ~1);
238 		if (adev->asic_type >= CHIP_STONEY)
239 			WREG32_P(mmVCE_VCPU_CNTL, 1, ~0x200001);
240 		else
241 			WREG32_P(mmVCE_VCPU_CNTL, VCE_VCPU_CNTL__CLK_EN_MASK,
242 				~VCE_VCPU_CNTL__CLK_EN_MASK);
243 
244 		WREG32_P(mmVCE_SOFT_RESET,
245 			 VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
246 			 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
247 
248 		mdelay(100);
249 
250 		WREG32_P(mmVCE_SOFT_RESET, 0,
251 			~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
252 
253 		for (i = 0; i < 10; ++i) {
254 			uint32_t status;
255 			for (j = 0; j < 100; ++j) {
256 				status = RREG32(mmVCE_STATUS);
257 				if (status & 2)
258 					break;
259 				mdelay(10);
260 			}
261 			r = 0;
262 			if (status & 2)
263 				break;
264 
265 			DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
266 			WREG32_P(mmVCE_SOFT_RESET,
267 				VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
268 				~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
269 			mdelay(10);
270 			WREG32_P(mmVCE_SOFT_RESET, 0,
271 				~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
272 			mdelay(10);
273 			r = -1;
274 		}
275 
276 		/* clear BUSY flag */
277 		WREG32_P(mmVCE_STATUS, 0, ~1);
278 
279 		/* Set Clock-Gating off */
280 		if (adev->cg_flags & AMDGPU_CG_SUPPORT_VCE_MGCG)
281 			vce_v3_0_set_vce_sw_clock_gating(adev, false);
282 
283 		if (r) {
284 			DRM_ERROR("VCE not responding, giving up!!!\n");
285 			mutex_unlock(&adev->grbm_idx_mutex);
286 			return r;
287 		}
288 	}
289 
290 	WREG32_P(mmGRBM_GFX_INDEX, 0, ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
291 	mutex_unlock(&adev->grbm_idx_mutex);
292 
293 	ring = &adev->vce.ring[0];
294 	WREG32(mmVCE_RB_RPTR, ring->wptr);
295 	WREG32(mmVCE_RB_WPTR, ring->wptr);
296 	WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr);
297 	WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
298 	WREG32(mmVCE_RB_SIZE, ring->ring_size / 4);
299 
300 	ring = &adev->vce.ring[1];
301 	WREG32(mmVCE_RB_RPTR2, ring->wptr);
302 	WREG32(mmVCE_RB_WPTR2, ring->wptr);
303 	WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr);
304 	WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
305 	WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
306 
307 	return 0;
308 }
309 
310 #define ixVCE_HARVEST_FUSE_MACRO__ADDRESS     0xC0014074
311 #define VCE_HARVEST_FUSE_MACRO__SHIFT       27
312 #define VCE_HARVEST_FUSE_MACRO__MASK        0x18000000
313 
314 static unsigned vce_v3_0_get_harvest_config(struct amdgpu_device *adev)
315 {
316 	u32 tmp;
317 
318 	/* Fiji, Stoney are single pipe */
319 	if ((adev->asic_type == CHIP_FIJI) ||
320 	    (adev->asic_type == CHIP_STONEY))
321 		return AMDGPU_VCE_HARVEST_VCE1;
322 
323 	/* Tonga and CZ are dual or single pipe */
324 	if (adev->flags & AMD_IS_APU)
325 		tmp = (RREG32_SMC(ixVCE_HARVEST_FUSE_MACRO__ADDRESS) &
326 		       VCE_HARVEST_FUSE_MACRO__MASK) >>
327 			VCE_HARVEST_FUSE_MACRO__SHIFT;
328 	else
329 		tmp = (RREG32_SMC(ixCC_HARVEST_FUSES) &
330 		       CC_HARVEST_FUSES__VCE_DISABLE_MASK) >>
331 			CC_HARVEST_FUSES__VCE_DISABLE__SHIFT;
332 
333 	switch (tmp) {
334 	case 1:
335 		return AMDGPU_VCE_HARVEST_VCE0;
336 	case 2:
337 		return AMDGPU_VCE_HARVEST_VCE1;
338 	case 3:
339 		return AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1;
340 	default:
341 		return 0;
342 	}
343 }
344 
345 static int vce_v3_0_early_init(void *handle)
346 {
347 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
348 
349 	adev->vce.harvest_config = vce_v3_0_get_harvest_config(adev);
350 
351 	if ((adev->vce.harvest_config &
352 	     (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) ==
353 	    (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1))
354 		return -ENOENT;
355 
356 	vce_v3_0_set_ring_funcs(adev);
357 	vce_v3_0_set_irq_funcs(adev);
358 
359 	return 0;
360 }
361 
362 static int vce_v3_0_sw_init(void *handle)
363 {
364 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
365 	struct amdgpu_ring *ring;
366 	int r;
367 
368 	/* VCE */
369 	r = amdgpu_irq_add_id(adev, 167, &adev->vce.irq);
370 	if (r)
371 		return r;
372 
373 	r = amdgpu_vce_sw_init(adev, VCE_V3_0_FW_SIZE +
374 		(VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE) * 2);
375 	if (r)
376 		return r;
377 
378 	r = amdgpu_vce_resume(adev);
379 	if (r)
380 		return r;
381 
382 	ring = &adev->vce.ring[0];
383 	sprintf(ring->name, "vce0");
384 	r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
385 			     &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
386 	if (r)
387 		return r;
388 
389 	ring = &adev->vce.ring[1];
390 	sprintf(ring->name, "vce1");
391 	r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
392 			     &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
393 	if (r)
394 		return r;
395 
396 	return r;
397 }
398 
399 static int vce_v3_0_sw_fini(void *handle)
400 {
401 	int r;
402 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
403 
404 	r = amdgpu_vce_suspend(adev);
405 	if (r)
406 		return r;
407 
408 	r = amdgpu_vce_sw_fini(adev);
409 	if (r)
410 		return r;
411 
412 	return r;
413 }
414 
415 static int vce_v3_0_hw_init(void *handle)
416 {
417 	int r, i;
418 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
419 
420 	r = vce_v3_0_start(adev);
421 	if (r)
422 		return r;
423 
424 	adev->vce.ring[0].ready = false;
425 	adev->vce.ring[1].ready = false;
426 
427 	for (i = 0; i < 2; i++) {
428 		r = amdgpu_ring_test_ring(&adev->vce.ring[i]);
429 		if (r)
430 			return r;
431 		else
432 			adev->vce.ring[i].ready = true;
433 	}
434 
435 	DRM_INFO("VCE initialized successfully.\n");
436 
437 	return 0;
438 }
439 
440 static int vce_v3_0_hw_fini(void *handle)
441 {
442 	return 0;
443 }
444 
445 static int vce_v3_0_suspend(void *handle)
446 {
447 	int r;
448 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
449 
450 	r = vce_v3_0_hw_fini(adev);
451 	if (r)
452 		return r;
453 
454 	r = amdgpu_vce_suspend(adev);
455 	if (r)
456 		return r;
457 
458 	return r;
459 }
460 
461 static int vce_v3_0_resume(void *handle)
462 {
463 	int r;
464 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
465 
466 	r = amdgpu_vce_resume(adev);
467 	if (r)
468 		return r;
469 
470 	r = vce_v3_0_hw_init(adev);
471 	if (r)
472 		return r;
473 
474 	return r;
475 }
476 
477 static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx)
478 {
479 	uint32_t offset, size;
480 
481 	WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16));
482 	WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
483 	WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
484 	WREG32(mmVCE_CLOCK_GATING_B, 0xf7);
485 
486 	WREG32(mmVCE_LMI_CTRL, 0x00398000);
487 	WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1);
488 	WREG32(mmVCE_LMI_SWAP_CNTL, 0);
489 	WREG32(mmVCE_LMI_SWAP_CNTL1, 0);
490 	WREG32(mmVCE_LMI_VM_CTRL, 0);
491 	if (adev->asic_type >= CHIP_STONEY) {
492 		WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR0, (adev->vce.gpu_addr >> 8));
493 		WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR1, (adev->vce.gpu_addr >> 8));
494 		WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR2, (adev->vce.gpu_addr >> 8));
495 	} else
496 		WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8));
497 	offset = AMDGPU_VCE_FIRMWARE_OFFSET;
498 	size = VCE_V3_0_FW_SIZE;
499 	WREG32(mmVCE_VCPU_CACHE_OFFSET0, offset & 0x7fffffff);
500 	WREG32(mmVCE_VCPU_CACHE_SIZE0, size);
501 
502 	if (idx == 0) {
503 		offset += size;
504 		size = VCE_V3_0_STACK_SIZE;
505 		WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0x7fffffff);
506 		WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
507 		offset += size;
508 		size = VCE_V3_0_DATA_SIZE;
509 		WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0x7fffffff);
510 		WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
511 	} else {
512 		offset += size + VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE;
513 		size = VCE_V3_0_STACK_SIZE;
514 		WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0xfffffff);
515 		WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
516 		offset += size;
517 		size = VCE_V3_0_DATA_SIZE;
518 		WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0xfffffff);
519 		WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
520 	}
521 
522 	WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100);
523 
524 	WREG32_P(mmVCE_SYS_INT_EN, VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK,
525 		 ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
526 }
527 
528 static bool vce_v3_0_is_idle(void *handle)
529 {
530 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
531 	u32 mask = 0;
532 
533 	mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE0) ? 0 : SRBM_STATUS2__VCE0_BUSY_MASK;
534 	mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE1) ? 0 : SRBM_STATUS2__VCE1_BUSY_MASK;
535 
536 	return !(RREG32(mmSRBM_STATUS2) & mask);
537 }
538 
539 static int vce_v3_0_wait_for_idle(void *handle)
540 {
541 	unsigned i;
542 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
543 
544 	for (i = 0; i < adev->usec_timeout; i++)
545 		if (vce_v3_0_is_idle(handle))
546 			return 0;
547 
548 	return -ETIMEDOUT;
549 }
550 
551 static int vce_v3_0_soft_reset(void *handle)
552 {
553 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
554 	u32 mask = 0;
555 
556 	mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE0) ? 0 : SRBM_SOFT_RESET__SOFT_RESET_VCE0_MASK;
557 	mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE1) ? 0 : SRBM_SOFT_RESET__SOFT_RESET_VCE1_MASK;
558 
559 	WREG32_P(mmSRBM_SOFT_RESET, mask,
560 		 ~(SRBM_SOFT_RESET__SOFT_RESET_VCE0_MASK |
561 		   SRBM_SOFT_RESET__SOFT_RESET_VCE1_MASK));
562 	mdelay(5);
563 
564 	return vce_v3_0_start(adev);
565 }
566 
567 static void vce_v3_0_print_status(void *handle)
568 {
569 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
570 
571 	dev_info(adev->dev, "VCE 3.0 registers\n");
572 	dev_info(adev->dev, "  VCE_STATUS=0x%08X\n",
573 		 RREG32(mmVCE_STATUS));
574 	dev_info(adev->dev, "  VCE_VCPU_CNTL=0x%08X\n",
575 		 RREG32(mmVCE_VCPU_CNTL));
576 	dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET0=0x%08X\n",
577 		 RREG32(mmVCE_VCPU_CACHE_OFFSET0));
578 	dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE0=0x%08X\n",
579 		 RREG32(mmVCE_VCPU_CACHE_SIZE0));
580 	dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET1=0x%08X\n",
581 		 RREG32(mmVCE_VCPU_CACHE_OFFSET1));
582 	dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE1=0x%08X\n",
583 		 RREG32(mmVCE_VCPU_CACHE_SIZE1));
584 	dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET2=0x%08X\n",
585 		 RREG32(mmVCE_VCPU_CACHE_OFFSET2));
586 	dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE2=0x%08X\n",
587 		 RREG32(mmVCE_VCPU_CACHE_SIZE2));
588 	dev_info(adev->dev, "  VCE_SOFT_RESET=0x%08X\n",
589 		 RREG32(mmVCE_SOFT_RESET));
590 	dev_info(adev->dev, "  VCE_RB_BASE_LO2=0x%08X\n",
591 		 RREG32(mmVCE_RB_BASE_LO2));
592 	dev_info(adev->dev, "  VCE_RB_BASE_HI2=0x%08X\n",
593 		 RREG32(mmVCE_RB_BASE_HI2));
594 	dev_info(adev->dev, "  VCE_RB_SIZE2=0x%08X\n",
595 		 RREG32(mmVCE_RB_SIZE2));
596 	dev_info(adev->dev, "  VCE_RB_RPTR2=0x%08X\n",
597 		 RREG32(mmVCE_RB_RPTR2));
598 	dev_info(adev->dev, "  VCE_RB_WPTR2=0x%08X\n",
599 		 RREG32(mmVCE_RB_WPTR2));
600 	dev_info(adev->dev, "  VCE_RB_BASE_LO=0x%08X\n",
601 		 RREG32(mmVCE_RB_BASE_LO));
602 	dev_info(adev->dev, "  VCE_RB_BASE_HI=0x%08X\n",
603 		 RREG32(mmVCE_RB_BASE_HI));
604 	dev_info(adev->dev, "  VCE_RB_SIZE=0x%08X\n",
605 		 RREG32(mmVCE_RB_SIZE));
606 	dev_info(adev->dev, "  VCE_RB_RPTR=0x%08X\n",
607 		 RREG32(mmVCE_RB_RPTR));
608 	dev_info(adev->dev, "  VCE_RB_WPTR=0x%08X\n",
609 		 RREG32(mmVCE_RB_WPTR));
610 	dev_info(adev->dev, "  VCE_CLOCK_GATING_A=0x%08X\n",
611 		 RREG32(mmVCE_CLOCK_GATING_A));
612 	dev_info(adev->dev, "  VCE_CLOCK_GATING_B=0x%08X\n",
613 		 RREG32(mmVCE_CLOCK_GATING_B));
614 	dev_info(adev->dev, "  VCE_UENC_CLOCK_GATING=0x%08X\n",
615 		 RREG32(mmVCE_UENC_CLOCK_GATING));
616 	dev_info(adev->dev, "  VCE_UENC_REG_CLOCK_GATING=0x%08X\n",
617 		 RREG32(mmVCE_UENC_REG_CLOCK_GATING));
618 	dev_info(adev->dev, "  VCE_SYS_INT_EN=0x%08X\n",
619 		 RREG32(mmVCE_SYS_INT_EN));
620 	dev_info(adev->dev, "  VCE_LMI_CTRL2=0x%08X\n",
621 		 RREG32(mmVCE_LMI_CTRL2));
622 	dev_info(adev->dev, "  VCE_LMI_CTRL=0x%08X\n",
623 		 RREG32(mmVCE_LMI_CTRL));
624 	dev_info(adev->dev, "  VCE_LMI_VM_CTRL=0x%08X\n",
625 		 RREG32(mmVCE_LMI_VM_CTRL));
626 	dev_info(adev->dev, "  VCE_LMI_SWAP_CNTL=0x%08X\n",
627 		 RREG32(mmVCE_LMI_SWAP_CNTL));
628 	dev_info(adev->dev, "  VCE_LMI_SWAP_CNTL1=0x%08X\n",
629 		 RREG32(mmVCE_LMI_SWAP_CNTL1));
630 	dev_info(adev->dev, "  VCE_LMI_CACHE_CTRL=0x%08X\n",
631 		 RREG32(mmVCE_LMI_CACHE_CTRL));
632 }
633 
634 static int vce_v3_0_set_interrupt_state(struct amdgpu_device *adev,
635 					struct amdgpu_irq_src *source,
636 					unsigned type,
637 					enum amdgpu_interrupt_state state)
638 {
639 	uint32_t val = 0;
640 
641 	if (state == AMDGPU_IRQ_STATE_ENABLE)
642 		val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK;
643 
644 	WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
645 	return 0;
646 }
647 
648 static int vce_v3_0_process_interrupt(struct amdgpu_device *adev,
649 				      struct amdgpu_irq_src *source,
650 				      struct amdgpu_iv_entry *entry)
651 {
652 	DRM_DEBUG("IH: VCE\n");
653 
654 	WREG32_P(mmVCE_SYS_INT_STATUS,
655 		VCE_SYS_INT_STATUS__VCE_SYS_INT_TRAP_INTERRUPT_INT_MASK,
656 		~VCE_SYS_INT_STATUS__VCE_SYS_INT_TRAP_INTERRUPT_INT_MASK);
657 
658 	switch (entry->src_data) {
659 	case 0:
660 	case 1:
661 		amdgpu_fence_process(&adev->vce.ring[entry->src_data]);
662 		break;
663 	default:
664 		DRM_ERROR("Unhandled interrupt: %d %d\n",
665 			  entry->src_id, entry->src_data);
666 		break;
667 	}
668 
669 	return 0;
670 }
671 
672 static int vce_v3_0_set_clockgating_state(void *handle,
673 					  enum amd_clockgating_state state)
674 {
675 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
676 	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
677 	int i;
678 
679 	if (!(adev->cg_flags & AMDGPU_CG_SUPPORT_VCE_MGCG))
680 		return 0;
681 
682 	mutex_lock(&adev->grbm_idx_mutex);
683 	for (i = 0; i < 2; i++) {
684 		/* Program VCE Instance 0 or 1 if not harvested */
685 		if (adev->vce.harvest_config & (1 << i))
686 			continue;
687 
688 		if (i == 0)
689 			WREG32_P(mmGRBM_GFX_INDEX, 0,
690 					~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
691 		else
692 			WREG32_P(mmGRBM_GFX_INDEX,
693 					GRBM_GFX_INDEX__VCE_INSTANCE_MASK,
694 					~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
695 
696 		if (enable) {
697 			/* initialize VCE_CLOCK_GATING_A: Clock ON/OFF delay */
698 			uint32_t data = RREG32(mmVCE_CLOCK_GATING_A);
699 			data &= ~(0xf | 0xff0);
700 			data |= ((0x0 << 0) | (0x04 << 4));
701 			WREG32(mmVCE_CLOCK_GATING_A, data);
702 
703 			/* initialize VCE_UENC_CLOCK_GATING: Clock ON/OFF delay */
704 			data = RREG32(mmVCE_UENC_CLOCK_GATING);
705 			data &= ~(0xf | 0xff0);
706 			data |= ((0x0 << 0) | (0x04 << 4));
707 			WREG32(mmVCE_UENC_CLOCK_GATING, data);
708 		}
709 
710 		vce_v3_0_set_vce_sw_clock_gating(adev, enable);
711 	}
712 
713 	WREG32_P(mmGRBM_GFX_INDEX, 0, ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
714 	mutex_unlock(&adev->grbm_idx_mutex);
715 
716 	return 0;
717 }
718 
719 static int vce_v3_0_set_powergating_state(void *handle,
720 					  enum amd_powergating_state state)
721 {
722 	/* This doesn't actually powergate the VCE block.
723 	 * That's done in the dpm code via the SMC.  This
724 	 * just re-inits the block as necessary.  The actual
725 	 * gating still happens in the dpm code.  We should
726 	 * revisit this when there is a cleaner line between
727 	 * the smc and the hw blocks
728 	 */
729 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
730 
731 	if (state == AMD_PG_STATE_GATE)
732 		/* XXX do we need a vce_v3_0_stop()? */
733 		return 0;
734 	else
735 		return vce_v3_0_start(adev);
736 }
737 
738 const struct amd_ip_funcs vce_v3_0_ip_funcs = {
739 	.early_init = vce_v3_0_early_init,
740 	.late_init = NULL,
741 	.sw_init = vce_v3_0_sw_init,
742 	.sw_fini = vce_v3_0_sw_fini,
743 	.hw_init = vce_v3_0_hw_init,
744 	.hw_fini = vce_v3_0_hw_fini,
745 	.suspend = vce_v3_0_suspend,
746 	.resume = vce_v3_0_resume,
747 	.is_idle = vce_v3_0_is_idle,
748 	.wait_for_idle = vce_v3_0_wait_for_idle,
749 	.soft_reset = vce_v3_0_soft_reset,
750 	.print_status = vce_v3_0_print_status,
751 	.set_clockgating_state = vce_v3_0_set_clockgating_state,
752 	.set_powergating_state = vce_v3_0_set_powergating_state,
753 };
754 
755 static const struct amdgpu_ring_funcs vce_v3_0_ring_funcs = {
756 	.get_rptr = vce_v3_0_ring_get_rptr,
757 	.get_wptr = vce_v3_0_ring_get_wptr,
758 	.set_wptr = vce_v3_0_ring_set_wptr,
759 	.parse_cs = amdgpu_vce_ring_parse_cs,
760 	.emit_ib = amdgpu_vce_ring_emit_ib,
761 	.emit_fence = amdgpu_vce_ring_emit_fence,
762 	.emit_semaphore = amdgpu_vce_ring_emit_semaphore,
763 	.test_ring = amdgpu_vce_ring_test_ring,
764 	.test_ib = amdgpu_vce_ring_test_ib,
765 	.insert_nop = amdgpu_ring_insert_nop,
766 };
767 
768 static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev)
769 {
770 	adev->vce.ring[0].funcs = &vce_v3_0_ring_funcs;
771 	adev->vce.ring[1].funcs = &vce_v3_0_ring_funcs;
772 }
773 
774 static const struct amdgpu_irq_src_funcs vce_v3_0_irq_funcs = {
775 	.set = vce_v3_0_set_interrupt_state,
776 	.process = vce_v3_0_process_interrupt,
777 };
778 
779 static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev)
780 {
781 	adev->vce.irq.num_types = 1;
782 	adev->vce.irq.funcs = &vce_v3_0_irq_funcs;
783 };
784