Linux Audio

Check our new training course

Loading...
v4.10.11
  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#include "gca/gfx_8_0_d.h"
 41#include "gca/gfx_8_0_sh_mask.h"
 
 42
 43
 44#define GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT	0x04
 45#define GRBM_GFX_INDEX__VCE_INSTANCE_MASK	0x10
 46#define GRBM_GFX_INDEX__VCE_ALL_PIPE		0x07
 47
 48#define mmVCE_LMI_VCPU_CACHE_40BIT_BAR0	0x8616
 49#define mmVCE_LMI_VCPU_CACHE_40BIT_BAR1	0x8617
 50#define mmVCE_LMI_VCPU_CACHE_40BIT_BAR2	0x8618
 51#define mmGRBM_GFX_INDEX_DEFAULT 0xE0000000
 52
 53#define VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK	0x02
 54
 55#define VCE_V3_0_FW_SIZE	(384 * 1024)
 56#define VCE_V3_0_STACK_SIZE	(64 * 1024)
 57#define VCE_V3_0_DATA_SIZE	((16 * 1024 * AMDGPU_MAX_VCE_HANDLES) + (52 * 1024))
 58
 59#define FW_52_8_3	((52 << 24) | (8 << 16) | (3 << 8))
 60
 61#define GET_VCE_INSTANCE(i)  ((i) << GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT \
 62					| GRBM_GFX_INDEX__VCE_ALL_PIPE)
 63
 64static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx);
 65static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev);
 66static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev);
 67static int vce_v3_0_wait_for_idle(void *handle);
 68
 
 69/**
 70 * vce_v3_0_ring_get_rptr - get read pointer
 71 *
 72 * @ring: amdgpu_ring pointer
 73 *
 74 * Returns the current hardware read pointer
 75 */
 76static uint32_t vce_v3_0_ring_get_rptr(struct amdgpu_ring *ring)
 77{
 78	struct amdgpu_device *adev = ring->adev;
 
 79
 80	if (ring == &adev->vce.ring[0])
 81		return RREG32(mmVCE_RB_RPTR);
 82	else if (ring == &adev->vce.ring[1])
 83		return RREG32(mmVCE_RB_RPTR2);
 
 
 
 
 
 
 
 84	else
 85		return RREG32(mmVCE_RB_RPTR3);
 
 
 
 
 
 86}
 87
 88/**
 89 * vce_v3_0_ring_get_wptr - get write pointer
 90 *
 91 * @ring: amdgpu_ring pointer
 92 *
 93 * Returns the current hardware write pointer
 94 */
 95static uint32_t vce_v3_0_ring_get_wptr(struct amdgpu_ring *ring)
 96{
 97	struct amdgpu_device *adev = ring->adev;
 
 98
 99	if (ring == &adev->vce.ring[0])
100		return RREG32(mmVCE_RB_WPTR);
101	else if (ring == &adev->vce.ring[1])
102		return RREG32(mmVCE_RB_WPTR2);
 
 
 
 
 
 
 
103	else
104		return RREG32(mmVCE_RB_WPTR3);
 
 
 
 
 
105}
106
107/**
108 * vce_v3_0_ring_set_wptr - set write pointer
109 *
110 * @ring: amdgpu_ring pointer
111 *
112 * Commits the write pointer to the hardware
113 */
114static void vce_v3_0_ring_set_wptr(struct amdgpu_ring *ring)
115{
116	struct amdgpu_device *adev = ring->adev;
117
118	if (ring == &adev->vce.ring[0])
119		WREG32(mmVCE_RB_WPTR, ring->wptr);
120	else if (ring == &adev->vce.ring[1])
121		WREG32(mmVCE_RB_WPTR2, ring->wptr);
 
 
 
 
 
 
 
122	else
123		WREG32(mmVCE_RB_WPTR3, ring->wptr);
 
 
 
124}
125
126static void vce_v3_0_override_vce_clock_gating(struct amdgpu_device *adev, bool override)
127{
128	WREG32_FIELD(VCE_RB_ARB_CTRL, VCE_CGTT_OVERRIDE, override ? 1 : 0);
129}
130
131static void vce_v3_0_set_vce_sw_clock_gating(struct amdgpu_device *adev,
132					     bool gated)
133{
134	u32 data;
135
136	/* Set Override to disable Clock Gating */
137	vce_v3_0_override_vce_clock_gating(adev, true);
138
139	/* This function enables MGCG which is controlled by firmware.
140	   With the clocks in the gated state the core is still
141	   accessible but the firmware will throttle the clocks on the
142	   fly as necessary.
143	*/
144	if (!gated) {
145		data = RREG32(mmVCE_CLOCK_GATING_B);
146		data |= 0x1ff;
147		data &= ~0xef0000;
148		WREG32(mmVCE_CLOCK_GATING_B, data);
149
150		data = RREG32(mmVCE_UENC_CLOCK_GATING);
151		data |= 0x3ff000;
152		data &= ~0xffc00000;
153		WREG32(mmVCE_UENC_CLOCK_GATING, data);
154
155		data = RREG32(mmVCE_UENC_CLOCK_GATING_2);
156		data |= 0x2;
157		data &= ~0x00010000;
158		WREG32(mmVCE_UENC_CLOCK_GATING_2, data);
159
160		data = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
161		data |= 0x37f;
162		WREG32(mmVCE_UENC_REG_CLOCK_GATING, data);
163
164		data = RREG32(mmVCE_UENC_DMA_DCLK_CTRL);
165		data |= VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK |
166			VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK |
167			VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK  |
168			0x8;
169		WREG32(mmVCE_UENC_DMA_DCLK_CTRL, data);
170	} else {
171		data = RREG32(mmVCE_CLOCK_GATING_B);
172		data &= ~0x80010;
173		data |= 0xe70008;
174		WREG32(mmVCE_CLOCK_GATING_B, data);
175
176		data = RREG32(mmVCE_UENC_CLOCK_GATING);
177		data |= 0xffc00000;
178		WREG32(mmVCE_UENC_CLOCK_GATING, data);
179
180		data = RREG32(mmVCE_UENC_CLOCK_GATING_2);
181		data |= 0x10000;
182		WREG32(mmVCE_UENC_CLOCK_GATING_2, data);
183
184		data = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
185		data &= ~0x3ff;
186		WREG32(mmVCE_UENC_REG_CLOCK_GATING, data);
187
188		data = RREG32(mmVCE_UENC_DMA_DCLK_CTRL);
189		data &= ~(VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK |
190			  VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK |
191			  VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK  |
192			  0x8);
193		WREG32(mmVCE_UENC_DMA_DCLK_CTRL, data);
194	}
195	vce_v3_0_override_vce_clock_gating(adev, false);
196}
197
198static int vce_v3_0_firmware_loaded(struct amdgpu_device *adev)
199{
200	int i, j;
201
202	for (i = 0; i < 10; ++i) {
203		for (j = 0; j < 100; ++j) {
204			uint32_t status = RREG32(mmVCE_STATUS);
205
206			if (status & VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK)
207				return 0;
208			mdelay(10);
209		}
210
211		DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
212		WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 1);
213		mdelay(10);
214		WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 0);
215		mdelay(10);
216	}
217
218	return -ETIMEDOUT;
219}
220
221/**
222 * vce_v3_0_start - start VCE block
223 *
224 * @adev: amdgpu_device pointer
225 *
226 * Setup and start the VCE block
227 */
228static int vce_v3_0_start(struct amdgpu_device *adev)
229{
230	struct amdgpu_ring *ring;
231	int idx, r;
232
233	ring = &adev->vce.ring[0];
234	WREG32(mmVCE_RB_RPTR, ring->wptr);
235	WREG32(mmVCE_RB_WPTR, ring->wptr);
236	WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr);
237	WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
238	WREG32(mmVCE_RB_SIZE, ring->ring_size / 4);
239
240	ring = &adev->vce.ring[1];
241	WREG32(mmVCE_RB_RPTR2, ring->wptr);
242	WREG32(mmVCE_RB_WPTR2, ring->wptr);
243	WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr);
244	WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
245	WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
246
247	ring = &adev->vce.ring[2];
248	WREG32(mmVCE_RB_RPTR3, ring->wptr);
249	WREG32(mmVCE_RB_WPTR3, ring->wptr);
250	WREG32(mmVCE_RB_BASE_LO3, ring->gpu_addr);
251	WREG32(mmVCE_RB_BASE_HI3, upper_32_bits(ring->gpu_addr));
252	WREG32(mmVCE_RB_SIZE3, ring->ring_size / 4);
253
254	mutex_lock(&adev->grbm_idx_mutex);
255	for (idx = 0; idx < 2; ++idx) {
256		if (adev->vce.harvest_config & (1 << idx))
257			continue;
258
259		WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(idx));
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
260		vce_v3_0_mc_resume(adev, idx);
261		WREG32_FIELD(VCE_STATUS, JOB_BUSY, 1);
262
263		if (adev->asic_type >= CHIP_STONEY)
264			WREG32_P(mmVCE_VCPU_CNTL, 1, ~0x200001);
265		else
266			WREG32_FIELD(VCE_VCPU_CNTL, CLK_EN, 1);
267
268		WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 0);
269		mdelay(100);
270
271		r = vce_v3_0_firmware_loaded(adev);
272
273		/* clear BUSY flag */
274		WREG32_FIELD(VCE_STATUS, JOB_BUSY, 0);
275
276		if (r) {
277			DRM_ERROR("VCE not responding, giving up!!!\n");
278			mutex_unlock(&adev->grbm_idx_mutex);
279			return r;
280		}
281	}
282
283	WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT);
284	mutex_unlock(&adev->grbm_idx_mutex);
285
286	return 0;
287}
288
289static int vce_v3_0_stop(struct amdgpu_device *adev)
290{
291	int idx;
292
293	mutex_lock(&adev->grbm_idx_mutex);
294	for (idx = 0; idx < 2; ++idx) {
295		if (adev->vce.harvest_config & (1 << idx))
296			continue;
297
298		WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(idx));
299
300		if (adev->asic_type >= CHIP_STONEY)
301			WREG32_P(mmVCE_VCPU_CNTL, 0, ~0x200001);
302		else
303			WREG32_FIELD(VCE_VCPU_CNTL, CLK_EN, 0);
304
305		/* hold on ECPU */
306		WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 1);
307
308		/* clear BUSY flag */
309		WREG32_FIELD(VCE_STATUS, JOB_BUSY, 0);
310
311		/* Set Clock-Gating off */
312		if (adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG)
313			vce_v3_0_set_vce_sw_clock_gating(adev, false);
314	}
315
316	WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT);
317	mutex_unlock(&adev->grbm_idx_mutex);
318
319	return 0;
320}
321
322#define ixVCE_HARVEST_FUSE_MACRO__ADDRESS     0xC0014074
323#define VCE_HARVEST_FUSE_MACRO__SHIFT       27
324#define VCE_HARVEST_FUSE_MACRO__MASK        0x18000000
325
326static unsigned vce_v3_0_get_harvest_config(struct amdgpu_device *adev)
327{
328	u32 tmp;
329
330	/* Fiji, Stoney, Polaris10, Polaris11, Polaris12 are single pipe */
331	if ((adev->asic_type == CHIP_FIJI) ||
332	    (adev->asic_type == CHIP_STONEY) ||
333	    (adev->asic_type == CHIP_POLARIS10) ||
334	    (adev->asic_type == CHIP_POLARIS11) ||
335	    (adev->asic_type == CHIP_POLARIS12))
336		return AMDGPU_VCE_HARVEST_VCE1;
337
338	/* Tonga and CZ are dual or single pipe */
339	if (adev->flags & AMD_IS_APU)
340		tmp = (RREG32_SMC(ixVCE_HARVEST_FUSE_MACRO__ADDRESS) &
341		       VCE_HARVEST_FUSE_MACRO__MASK) >>
342			VCE_HARVEST_FUSE_MACRO__SHIFT;
343	else
344		tmp = (RREG32_SMC(ixCC_HARVEST_FUSES) &
345		       CC_HARVEST_FUSES__VCE_DISABLE_MASK) >>
346			CC_HARVEST_FUSES__VCE_DISABLE__SHIFT;
347
348	switch (tmp) {
349	case 1:
350		return AMDGPU_VCE_HARVEST_VCE0;
351	case 2:
352		return AMDGPU_VCE_HARVEST_VCE1;
353	case 3:
354		return AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1;
355	default:
 
 
 
 
 
 
356		return 0;
357	}
358}
359
360static int vce_v3_0_early_init(void *handle)
361{
362	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
363
364	adev->vce.harvest_config = vce_v3_0_get_harvest_config(adev);
365
366	if ((adev->vce.harvest_config &
367	     (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) ==
368	    (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1))
369		return -ENOENT;
370
371	adev->vce.num_rings = 3;
372
373	vce_v3_0_set_ring_funcs(adev);
374	vce_v3_0_set_irq_funcs(adev);
375
376	return 0;
377}
378
379static int vce_v3_0_sw_init(void *handle)
380{
381	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
382	struct amdgpu_ring *ring;
383	int r, i;
384
385	/* VCE */
386	r = amdgpu_irq_add_id(adev, 167, &adev->vce.irq);
387	if (r)
388		return r;
389
390	r = amdgpu_vce_sw_init(adev, VCE_V3_0_FW_SIZE +
391		(VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE) * 2);
392	if (r)
393		return r;
394
395	/* 52.8.3 required for 3 ring support */
396	if (adev->vce.fw_version < FW_52_8_3)
397		adev->vce.num_rings = 2;
398
399	r = amdgpu_vce_resume(adev);
400	if (r)
401		return r;
402
403	for (i = 0; i < adev->vce.num_rings; i++) {
 
 
404		ring = &adev->vce.ring[i];
405		sprintf(ring->name, "vce%d", i);
406		r = amdgpu_ring_init(adev, ring, 512, &adev->vce.irq, 0);
 
407		if (r)
408			return r;
409	}
410
 
 
411	return r;
412}
413
414static int vce_v3_0_sw_fini(void *handle)
415{
416	int r;
417	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
418
419	r = amdgpu_vce_suspend(adev);
420	if (r)
421		return r;
422
423	r = amdgpu_vce_sw_fini(adev);
424	if (r)
425		return r;
426
427	return r;
428}
429
430static int vce_v3_0_hw_init(void *handle)
431{
432	int r, i;
433	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
434
435	r = vce_v3_0_start(adev);
436	if (r)
437		return r;
438
439	for (i = 0; i < adev->vce.num_rings; i++)
440		adev->vce.ring[i].ready = false;
441
442	for (i = 0; i < adev->vce.num_rings; i++) {
443		r = amdgpu_ring_test_ring(&adev->vce.ring[i]);
444		if (r)
445			return r;
446		else
447			adev->vce.ring[i].ready = true;
448	}
449
450	DRM_INFO("VCE initialized successfully.\n");
451
452	return 0;
453}
454
455static int vce_v3_0_hw_fini(void *handle)
456{
457	int r;
458	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
459
 
 
460	r = vce_v3_0_wait_for_idle(handle);
461	if (r)
462		return r;
463
464	return vce_v3_0_stop(adev);
 
465}
466
467static int vce_v3_0_suspend(void *handle)
468{
469	int r;
470	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
471
472	r = vce_v3_0_hw_fini(adev);
473	if (r)
474		return r;
 
 
 
 
 
 
 
 
 
475
476	r = amdgpu_vce_suspend(adev);
 
 
 
 
 
 
 
 
 
 
477	if (r)
478		return r;
479
480	return r;
481}
482
483static int vce_v3_0_resume(void *handle)
484{
485	int r;
486	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
487
488	r = amdgpu_vce_resume(adev);
489	if (r)
490		return r;
491
492	r = vce_v3_0_hw_init(adev);
493	if (r)
494		return r;
495
496	return r;
497}
498
499static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx)
500{
501	uint32_t offset, size;
502
503	WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16));
504	WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
505	WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
506	WREG32(mmVCE_CLOCK_GATING_B, 0x1FF);
507
508	WREG32(mmVCE_LMI_CTRL, 0x00398000);
509	WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1);
510	WREG32(mmVCE_LMI_SWAP_CNTL, 0);
511	WREG32(mmVCE_LMI_SWAP_CNTL1, 0);
512	WREG32(mmVCE_LMI_VM_CTRL, 0);
 
 
513	if (adev->asic_type >= CHIP_STONEY) {
514		WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR0, (adev->vce.gpu_addr >> 8));
515		WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR1, (adev->vce.gpu_addr >> 8));
516		WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR2, (adev->vce.gpu_addr >> 8));
517	} else
518		WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8));
519	offset = AMDGPU_VCE_FIRMWARE_OFFSET;
520	size = VCE_V3_0_FW_SIZE;
521	WREG32(mmVCE_VCPU_CACHE_OFFSET0, offset & 0x7fffffff);
522	WREG32(mmVCE_VCPU_CACHE_SIZE0, size);
523
524	if (idx == 0) {
525		offset += size;
526		size = VCE_V3_0_STACK_SIZE;
527		WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0x7fffffff);
528		WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
529		offset += size;
530		size = VCE_V3_0_DATA_SIZE;
531		WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0x7fffffff);
532		WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
533	} else {
534		offset += size + VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE;
535		size = VCE_V3_0_STACK_SIZE;
536		WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0xfffffff);
537		WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
538		offset += size;
539		size = VCE_V3_0_DATA_SIZE;
540		WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0xfffffff);
541		WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
542	}
543
544	WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100);
545	WREG32_FIELD(VCE_SYS_INT_EN, VCE_SYS_INT_TRAP_INTERRUPT_EN, 1);
546}
547
548static bool vce_v3_0_is_idle(void *handle)
549{
550	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
551	u32 mask = 0;
552
553	mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE0) ? 0 : SRBM_STATUS2__VCE0_BUSY_MASK;
554	mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE1) ? 0 : SRBM_STATUS2__VCE1_BUSY_MASK;
555
556	return !(RREG32(mmSRBM_STATUS2) & mask);
557}
558
559static int vce_v3_0_wait_for_idle(void *handle)
560{
561	unsigned i;
562	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
563
564	for (i = 0; i < adev->usec_timeout; i++)
565		if (vce_v3_0_is_idle(handle))
566			return 0;
567
568	return -ETIMEDOUT;
569}
570
571#define  VCE_STATUS_VCPU_REPORT_AUTO_BUSY_MASK  0x00000008L   /* AUTO_BUSY */
572#define  VCE_STATUS_VCPU_REPORT_RB0_BUSY_MASK   0x00000010L   /* RB0_BUSY */
573#define  VCE_STATUS_VCPU_REPORT_RB1_BUSY_MASK   0x00000020L   /* RB1_BUSY */
574#define  AMDGPU_VCE_STATUS_BUSY_MASK (VCE_STATUS_VCPU_REPORT_AUTO_BUSY_MASK | \
575				      VCE_STATUS_VCPU_REPORT_RB0_BUSY_MASK)
576
577static bool vce_v3_0_check_soft_reset(void *handle)
578{
579	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
580	u32 srbm_soft_reset = 0;
581
582	/* According to VCE team , we should use VCE_STATUS instead
583	 * SRBM_STATUS.VCE_BUSY bit for busy status checking.
584	 * GRBM_GFX_INDEX.INSTANCE_INDEX is used to specify which VCE
585	 * instance's registers are accessed
586	 * (0 for 1st instance, 10 for 2nd instance).
587	 *
588	 *VCE_STATUS
589	 *|UENC|ACPI|AUTO ACTIVE|RB1 |RB0 |RB2 |          |FW_LOADED|JOB |
590	 *|----+----+-----------+----+----+----+----------+---------+----|
591	 *|bit8|bit7|    bit6   |bit5|bit4|bit3|   bit2   |  bit1   |bit0|
592	 *
593	 * VCE team suggest use bit 3--bit 6 for busy status check
594	 */
595	mutex_lock(&adev->grbm_idx_mutex);
596	WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0));
597	if (RREG32(mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) {
598		srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1);
599		srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1);
600	}
601	WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1));
602	if (RREG32(mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) {
603		srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1);
604		srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1);
605	}
606	WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0));
607	mutex_unlock(&adev->grbm_idx_mutex);
608
609	if (srbm_soft_reset) {
610		adev->vce.srbm_soft_reset = srbm_soft_reset;
611		return true;
612	} else {
613		adev->vce.srbm_soft_reset = 0;
614		return false;
615	}
616}
617
618static int vce_v3_0_soft_reset(void *handle)
619{
620	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
621	u32 srbm_soft_reset;
622
623	if (!adev->vce.srbm_soft_reset)
624		return 0;
625	srbm_soft_reset = adev->vce.srbm_soft_reset;
626
627	if (srbm_soft_reset) {
628		u32 tmp;
629
630		tmp = RREG32(mmSRBM_SOFT_RESET);
631		tmp |= srbm_soft_reset;
632		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
633		WREG32(mmSRBM_SOFT_RESET, tmp);
634		tmp = RREG32(mmSRBM_SOFT_RESET);
635
636		udelay(50);
637
638		tmp &= ~srbm_soft_reset;
639		WREG32(mmSRBM_SOFT_RESET, tmp);
640		tmp = RREG32(mmSRBM_SOFT_RESET);
641
642		/* Wait a little for things to settle down */
643		udelay(50);
644	}
645
646	return 0;
647}
648
649static int vce_v3_0_pre_soft_reset(void *handle)
650{
651	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
652
653	if (!adev->vce.srbm_soft_reset)
654		return 0;
655
656	mdelay(5);
657
658	return vce_v3_0_suspend(adev);
659}
660
661
662static int vce_v3_0_post_soft_reset(void *handle)
663{
664	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
665
666	if (!adev->vce.srbm_soft_reset)
667		return 0;
668
669	mdelay(5);
670
671	return vce_v3_0_resume(adev);
672}
673
674static int vce_v3_0_set_interrupt_state(struct amdgpu_device *adev,
675					struct amdgpu_irq_src *source,
676					unsigned type,
677					enum amdgpu_interrupt_state state)
678{
679	uint32_t val = 0;
680
681	if (state == AMDGPU_IRQ_STATE_ENABLE)
682		val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK;
683
684	WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
685	return 0;
686}
687
688static int vce_v3_0_process_interrupt(struct amdgpu_device *adev,
689				      struct amdgpu_irq_src *source,
690				      struct amdgpu_iv_entry *entry)
691{
692	DRM_DEBUG("IH: VCE\n");
693
694	WREG32_FIELD(VCE_SYS_INT_STATUS, VCE_SYS_INT_TRAP_INTERRUPT_INT, 1);
695
696	switch (entry->src_data) {
697	case 0:
698	case 1:
699	case 2:
700		amdgpu_fence_process(&adev->vce.ring[entry->src_data]);
701		break;
702	default:
703		DRM_ERROR("Unhandled interrupt: %d %d\n",
704			  entry->src_id, entry->src_data);
705		break;
706	}
707
708	return 0;
709}
710
711static void vce_v3_0_set_bypass_mode(struct amdgpu_device *adev, bool enable)
712{
713	u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL);
714
715	if (enable)
716		tmp |= GCK_DFS_BYPASS_CNTL__BYPASSECLK_MASK;
717	else
718		tmp &= ~GCK_DFS_BYPASS_CNTL__BYPASSECLK_MASK;
719
720	WREG32_SMC(ixGCK_DFS_BYPASS_CNTL, tmp);
721}
722
723static int vce_v3_0_set_clockgating_state(void *handle,
724					  enum amd_clockgating_state state)
725{
726	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
727	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
728	int i;
729
730	if ((adev->asic_type == CHIP_POLARIS10) ||
731		(adev->asic_type == CHIP_TONGA) ||
732		(adev->asic_type == CHIP_FIJI))
733		vce_v3_0_set_bypass_mode(adev, enable);
734
735	if (!(adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG))
736		return 0;
737
738	mutex_lock(&adev->grbm_idx_mutex);
739	for (i = 0; i < 2; i++) {
740		/* Program VCE Instance 0 or 1 if not harvested */
741		if (adev->vce.harvest_config & (1 << i))
742			continue;
743
744		WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(i));
745
746		if (enable) {
747			/* initialize VCE_CLOCK_GATING_A: Clock ON/OFF delay */
748			uint32_t data = RREG32(mmVCE_CLOCK_GATING_A);
749			data &= ~(0xf | 0xff0);
750			data |= ((0x0 << 0) | (0x04 << 4));
751			WREG32(mmVCE_CLOCK_GATING_A, data);
752
753			/* initialize VCE_UENC_CLOCK_GATING: Clock ON/OFF delay */
754			data = RREG32(mmVCE_UENC_CLOCK_GATING);
755			data &= ~(0xf | 0xff0);
756			data |= ((0x0 << 0) | (0x04 << 4));
757			WREG32(mmVCE_UENC_CLOCK_GATING, data);
758		}
759
760		vce_v3_0_set_vce_sw_clock_gating(adev, enable);
761	}
762
763	WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT);
764	mutex_unlock(&adev->grbm_idx_mutex);
765
766	return 0;
767}
768
769static int vce_v3_0_set_powergating_state(void *handle,
770					  enum amd_powergating_state state)
771{
772	/* This doesn't actually powergate the VCE block.
773	 * That's done in the dpm code via the SMC.  This
774	 * just re-inits the block as necessary.  The actual
775	 * gating still happens in the dpm code.  We should
776	 * revisit this when there is a cleaner line between
777	 * the smc and the hw blocks
778	 */
779	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
780
781	if (!(adev->pg_flags & AMD_PG_SUPPORT_VCE))
782		return 0;
 
 
 
 
 
 
 
783
784	if (state == AMD_PG_STATE_GATE)
785		/* XXX do we need a vce_v3_0_stop()? */
786		return 0;
 
 
 
 
 
 
 
 
 
 
787	else
788		return vce_v3_0_start(adev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
789}
790
791static void vce_v3_0_ring_emit_ib(struct amdgpu_ring *ring,
792		struct amdgpu_ib *ib, unsigned int vm_id, bool ctx_switch)
 
 
793{
 
 
794	amdgpu_ring_write(ring, VCE_CMD_IB_VM);
795	amdgpu_ring_write(ring, vm_id);
796	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
797	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
798	amdgpu_ring_write(ring, ib->length_dw);
799}
800
801static void vce_v3_0_emit_vm_flush(struct amdgpu_ring *ring,
802			 unsigned int vm_id, uint64_t pd_addr)
803{
804	amdgpu_ring_write(ring, VCE_CMD_UPDATE_PTB);
805	amdgpu_ring_write(ring, vm_id);
806	amdgpu_ring_write(ring, pd_addr >> 12);
807
808	amdgpu_ring_write(ring, VCE_CMD_FLUSH_TLB);
809	amdgpu_ring_write(ring, vm_id);
810	amdgpu_ring_write(ring, VCE_CMD_END);
811}
812
813static void vce_v3_0_emit_pipeline_sync(struct amdgpu_ring *ring)
814{
815	uint32_t seq = ring->fence_drv.sync_seq;
816	uint64_t addr = ring->fence_drv.gpu_addr;
817
818	amdgpu_ring_write(ring, VCE_CMD_WAIT_GE);
819	amdgpu_ring_write(ring, lower_32_bits(addr));
820	amdgpu_ring_write(ring, upper_32_bits(addr));
821	amdgpu_ring_write(ring, seq);
822}
823
824static const struct amd_ip_funcs vce_v3_0_ip_funcs = {
825	.name = "vce_v3_0",
826	.early_init = vce_v3_0_early_init,
827	.late_init = NULL,
828	.sw_init = vce_v3_0_sw_init,
829	.sw_fini = vce_v3_0_sw_fini,
830	.hw_init = vce_v3_0_hw_init,
831	.hw_fini = vce_v3_0_hw_fini,
832	.suspend = vce_v3_0_suspend,
833	.resume = vce_v3_0_resume,
834	.is_idle = vce_v3_0_is_idle,
835	.wait_for_idle = vce_v3_0_wait_for_idle,
836	.check_soft_reset = vce_v3_0_check_soft_reset,
837	.pre_soft_reset = vce_v3_0_pre_soft_reset,
838	.soft_reset = vce_v3_0_soft_reset,
839	.post_soft_reset = vce_v3_0_post_soft_reset,
840	.set_clockgating_state = vce_v3_0_set_clockgating_state,
841	.set_powergating_state = vce_v3_0_set_powergating_state,
 
842};
843
844static const struct amdgpu_ring_funcs vce_v3_0_ring_phys_funcs = {
845	.type = AMDGPU_RING_TYPE_VCE,
846	.align_mask = 0xf,
847	.nop = VCE_CMD_NO_OP,
 
 
848	.get_rptr = vce_v3_0_ring_get_rptr,
849	.get_wptr = vce_v3_0_ring_get_wptr,
850	.set_wptr = vce_v3_0_ring_set_wptr,
851	.parse_cs = amdgpu_vce_ring_parse_cs,
852	.emit_frame_size =
853		4 + /* vce_v3_0_emit_pipeline_sync */
854		6, /* amdgpu_vce_ring_emit_fence x1 no user fence */
855	.emit_ib_size = 5, /* vce_v3_0_ring_emit_ib */
856	.emit_ib = amdgpu_vce_ring_emit_ib,
857	.emit_fence = amdgpu_vce_ring_emit_fence,
858	.test_ring = amdgpu_vce_ring_test_ring,
859	.test_ib = amdgpu_vce_ring_test_ib,
860	.insert_nop = amdgpu_ring_insert_nop,
861	.pad_ib = amdgpu_ring_generic_pad_ib,
862	.begin_use = amdgpu_vce_ring_begin_use,
863	.end_use = amdgpu_vce_ring_end_use,
864};
865
866static const struct amdgpu_ring_funcs vce_v3_0_ring_vm_funcs = {
867	.type = AMDGPU_RING_TYPE_VCE,
868	.align_mask = 0xf,
869	.nop = VCE_CMD_NO_OP,
 
 
870	.get_rptr = vce_v3_0_ring_get_rptr,
871	.get_wptr = vce_v3_0_ring_get_wptr,
872	.set_wptr = vce_v3_0_ring_set_wptr,
873	.parse_cs = amdgpu_vce_ring_parse_cs_vm,
874	.emit_frame_size =
875		6 + /* vce_v3_0_emit_vm_flush */
876		4 + /* vce_v3_0_emit_pipeline_sync */
877		6 + 6, /* amdgpu_vce_ring_emit_fence x2 vm fence */
878	.emit_ib_size = 4, /* amdgpu_vce_ring_emit_ib */
879	.emit_ib = vce_v3_0_ring_emit_ib,
880	.emit_vm_flush = vce_v3_0_emit_vm_flush,
881	.emit_pipeline_sync = vce_v3_0_emit_pipeline_sync,
882	.emit_fence = amdgpu_vce_ring_emit_fence,
883	.test_ring = amdgpu_vce_ring_test_ring,
884	.test_ib = amdgpu_vce_ring_test_ib,
885	.insert_nop = amdgpu_ring_insert_nop,
886	.pad_ib = amdgpu_ring_generic_pad_ib,
887	.begin_use = amdgpu_vce_ring_begin_use,
888	.end_use = amdgpu_vce_ring_end_use,
889};
890
891static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev)
892{
893	int i;
894
895	if (adev->asic_type >= CHIP_STONEY) {
896		for (i = 0; i < adev->vce.num_rings; i++)
897			adev->vce.ring[i].funcs = &vce_v3_0_ring_vm_funcs;
 
 
898		DRM_INFO("VCE enabled in VM mode\n");
899	} else {
900		for (i = 0; i < adev->vce.num_rings; i++)
901			adev->vce.ring[i].funcs = &vce_v3_0_ring_phys_funcs;
 
 
902		DRM_INFO("VCE enabled in physical mode\n");
903	}
904}
905
906static const struct amdgpu_irq_src_funcs vce_v3_0_irq_funcs = {
907	.set = vce_v3_0_set_interrupt_state,
908	.process = vce_v3_0_process_interrupt,
909};
910
911static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev)
912{
913	adev->vce.irq.num_types = 1;
914	adev->vce.irq.funcs = &vce_v3_0_irq_funcs;
915};
916
917const struct amdgpu_ip_block_version vce_v3_0_ip_block =
918{
919	.type = AMD_IP_BLOCK_TYPE_VCE,
920	.major = 3,
921	.minor = 0,
922	.rev = 0,
923	.funcs = &vce_v3_0_ip_funcs,
924};
925
926const struct amdgpu_ip_block_version vce_v3_1_ip_block =
927{
928	.type = AMD_IP_BLOCK_TYPE_VCE,
929	.major = 3,
930	.minor = 1,
931	.rev = 0,
932	.funcs = &vce_v3_0_ip_funcs,
933};
934
935const struct amdgpu_ip_block_version vce_v3_4_ip_block =
936{
937	.type = AMD_IP_BLOCK_TYPE_VCE,
938	.major = 3,
939	.minor = 4,
940	.rev = 0,
941	.funcs = &vce_v3_0_ip_funcs,
942};
v6.2
   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
  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#include "gca/gfx_8_0_sh_mask.h"
  41#include "ivsrcid/ivsrcid_vislands30.h"
  42
  43
  44#define GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT	0x04
  45#define GRBM_GFX_INDEX__VCE_INSTANCE_MASK	0x10
  46#define GRBM_GFX_INDEX__VCE_ALL_PIPE		0x07
  47
  48#define mmVCE_LMI_VCPU_CACHE_40BIT_BAR0	0x8616
  49#define mmVCE_LMI_VCPU_CACHE_40BIT_BAR1	0x8617
  50#define mmVCE_LMI_VCPU_CACHE_40BIT_BAR2	0x8618
  51#define mmGRBM_GFX_INDEX_DEFAULT 0xE0000000
  52
  53#define VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK	0x02
  54
  55#define VCE_V3_0_FW_SIZE	(384 * 1024)
  56#define VCE_V3_0_STACK_SIZE	(64 * 1024)
  57#define VCE_V3_0_DATA_SIZE	((16 * 1024 * AMDGPU_MAX_VCE_HANDLES) + (52 * 1024))
  58
  59#define FW_52_8_3	((52 << 24) | (8 << 16) | (3 << 8))
  60
  61#define GET_VCE_INSTANCE(i)  ((i) << GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT \
  62					| GRBM_GFX_INDEX__VCE_ALL_PIPE)
  63
  64static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx);
  65static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev);
  66static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev);
  67static int vce_v3_0_wait_for_idle(void *handle);
  68static int vce_v3_0_set_clockgating_state(void *handle,
  69					  enum amd_clockgating_state state);
  70/**
  71 * vce_v3_0_ring_get_rptr - get read pointer
  72 *
  73 * @ring: amdgpu_ring pointer
  74 *
  75 * Returns the current hardware read pointer
  76 */
  77static uint64_t vce_v3_0_ring_get_rptr(struct amdgpu_ring *ring)
  78{
  79	struct amdgpu_device *adev = ring->adev;
  80	u32 v;
  81
  82	mutex_lock(&adev->grbm_idx_mutex);
  83	if (adev->vce.harvest_config == 0 ||
  84		adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE1)
  85		WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0));
  86	else if (adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0)
  87		WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1));
  88
  89	if (ring->me == 0)
  90		v = RREG32(mmVCE_RB_RPTR);
  91	else if (ring->me == 1)
  92		v = RREG32(mmVCE_RB_RPTR2);
  93	else
  94		v = RREG32(mmVCE_RB_RPTR3);
  95
  96	WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT);
  97	mutex_unlock(&adev->grbm_idx_mutex);
  98
  99	return v;
 100}
 101
 102/**
 103 * vce_v3_0_ring_get_wptr - get write pointer
 104 *
 105 * @ring: amdgpu_ring pointer
 106 *
 107 * Returns the current hardware write pointer
 108 */
 109static uint64_t vce_v3_0_ring_get_wptr(struct amdgpu_ring *ring)
 110{
 111	struct amdgpu_device *adev = ring->adev;
 112	u32 v;
 113
 114	mutex_lock(&adev->grbm_idx_mutex);
 115	if (adev->vce.harvest_config == 0 ||
 116		adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE1)
 117		WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0));
 118	else if (adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0)
 119		WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1));
 120
 121	if (ring->me == 0)
 122		v = RREG32(mmVCE_RB_WPTR);
 123	else if (ring->me == 1)
 124		v = RREG32(mmVCE_RB_WPTR2);
 125	else
 126		v = RREG32(mmVCE_RB_WPTR3);
 127
 128	WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT);
 129	mutex_unlock(&adev->grbm_idx_mutex);
 130
 131	return v;
 132}
 133
 134/**
 135 * vce_v3_0_ring_set_wptr - set write pointer
 136 *
 137 * @ring: amdgpu_ring pointer
 138 *
 139 * Commits the write pointer to the hardware
 140 */
 141static void vce_v3_0_ring_set_wptr(struct amdgpu_ring *ring)
 142{
 143	struct amdgpu_device *adev = ring->adev;
 144
 145	mutex_lock(&adev->grbm_idx_mutex);
 146	if (adev->vce.harvest_config == 0 ||
 147		adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE1)
 148		WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0));
 149	else if (adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0)
 150		WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1));
 151
 152	if (ring->me == 0)
 153		WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr));
 154	else if (ring->me == 1)
 155		WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr));
 156	else
 157		WREG32(mmVCE_RB_WPTR3, lower_32_bits(ring->wptr));
 158
 159	WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT);
 160	mutex_unlock(&adev->grbm_idx_mutex);
 161}
 162
 163static void vce_v3_0_override_vce_clock_gating(struct amdgpu_device *adev, bool override)
 164{
 165	WREG32_FIELD(VCE_RB_ARB_CTRL, VCE_CGTT_OVERRIDE, override ? 1 : 0);
 166}
 167
 168static void vce_v3_0_set_vce_sw_clock_gating(struct amdgpu_device *adev,
 169					     bool gated)
 170{
 171	u32 data;
 172
 173	/* Set Override to disable Clock Gating */
 174	vce_v3_0_override_vce_clock_gating(adev, true);
 175
 176	/* This function enables MGCG which is controlled by firmware.
 177	   With the clocks in the gated state the core is still
 178	   accessible but the firmware will throttle the clocks on the
 179	   fly as necessary.
 180	*/
 181	if (!gated) {
 182		data = RREG32(mmVCE_CLOCK_GATING_B);
 183		data |= 0x1ff;
 184		data &= ~0xef0000;
 185		WREG32(mmVCE_CLOCK_GATING_B, data);
 186
 187		data = RREG32(mmVCE_UENC_CLOCK_GATING);
 188		data |= 0x3ff000;
 189		data &= ~0xffc00000;
 190		WREG32(mmVCE_UENC_CLOCK_GATING, data);
 191
 192		data = RREG32(mmVCE_UENC_CLOCK_GATING_2);
 193		data |= 0x2;
 194		data &= ~0x00010000;
 195		WREG32(mmVCE_UENC_CLOCK_GATING_2, data);
 196
 197		data = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
 198		data |= 0x37f;
 199		WREG32(mmVCE_UENC_REG_CLOCK_GATING, data);
 200
 201		data = RREG32(mmVCE_UENC_DMA_DCLK_CTRL);
 202		data |= VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK |
 203			VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK |
 204			VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK  |
 205			0x8;
 206		WREG32(mmVCE_UENC_DMA_DCLK_CTRL, data);
 207	} else {
 208		data = RREG32(mmVCE_CLOCK_GATING_B);
 209		data &= ~0x80010;
 210		data |= 0xe70008;
 211		WREG32(mmVCE_CLOCK_GATING_B, data);
 212
 213		data = RREG32(mmVCE_UENC_CLOCK_GATING);
 214		data |= 0xffc00000;
 215		WREG32(mmVCE_UENC_CLOCK_GATING, data);
 216
 217		data = RREG32(mmVCE_UENC_CLOCK_GATING_2);
 218		data |= 0x10000;
 219		WREG32(mmVCE_UENC_CLOCK_GATING_2, data);
 220
 221		data = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
 222		data &= ~0x3ff;
 223		WREG32(mmVCE_UENC_REG_CLOCK_GATING, data);
 224
 225		data = RREG32(mmVCE_UENC_DMA_DCLK_CTRL);
 226		data &= ~(VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK |
 227			  VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK |
 228			  VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK  |
 229			  0x8);
 230		WREG32(mmVCE_UENC_DMA_DCLK_CTRL, data);
 231	}
 232	vce_v3_0_override_vce_clock_gating(adev, false);
 233}
 234
 235static int vce_v3_0_firmware_loaded(struct amdgpu_device *adev)
 236{
 237	int i, j;
 238
 239	for (i = 0; i < 10; ++i) {
 240		for (j = 0; j < 100; ++j) {
 241			uint32_t status = RREG32(mmVCE_STATUS);
 242
 243			if (status & VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK)
 244				return 0;
 245			mdelay(10);
 246		}
 247
 248		DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
 249		WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 1);
 250		mdelay(10);
 251		WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 0);
 252		mdelay(10);
 253	}
 254
 255	return -ETIMEDOUT;
 256}
 257
 258/**
 259 * vce_v3_0_start - start VCE block
 260 *
 261 * @adev: amdgpu_device pointer
 262 *
 263 * Setup and start the VCE block
 264 */
 265static int vce_v3_0_start(struct amdgpu_device *adev)
 266{
 267	struct amdgpu_ring *ring;
 268	int idx, r;
 269
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 270	mutex_lock(&adev->grbm_idx_mutex);
 271	for (idx = 0; idx < 2; ++idx) {
 272		if (adev->vce.harvest_config & (1 << idx))
 273			continue;
 274
 275		WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(idx));
 276
 277		/* Program instance 0 reg space for two instances or instance 0 case
 278		program instance 1 reg space for only instance 1 available case */
 279		if (idx != 1 || adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0) {
 280			ring = &adev->vce.ring[0];
 281			WREG32(mmVCE_RB_RPTR, lower_32_bits(ring->wptr));
 282			WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr));
 283			WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr);
 284			WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
 285			WREG32(mmVCE_RB_SIZE, ring->ring_size / 4);
 286
 287			ring = &adev->vce.ring[1];
 288			WREG32(mmVCE_RB_RPTR2, lower_32_bits(ring->wptr));
 289			WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr));
 290			WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr);
 291			WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
 292			WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
 293
 294			ring = &adev->vce.ring[2];
 295			WREG32(mmVCE_RB_RPTR3, lower_32_bits(ring->wptr));
 296			WREG32(mmVCE_RB_WPTR3, lower_32_bits(ring->wptr));
 297			WREG32(mmVCE_RB_BASE_LO3, ring->gpu_addr);
 298			WREG32(mmVCE_RB_BASE_HI3, upper_32_bits(ring->gpu_addr));
 299			WREG32(mmVCE_RB_SIZE3, ring->ring_size / 4);
 300		}
 301
 302		vce_v3_0_mc_resume(adev, idx);
 303		WREG32_FIELD(VCE_STATUS, JOB_BUSY, 1);
 304
 305		if (adev->asic_type >= CHIP_STONEY)
 306			WREG32_P(mmVCE_VCPU_CNTL, 1, ~0x200001);
 307		else
 308			WREG32_FIELD(VCE_VCPU_CNTL, CLK_EN, 1);
 309
 310		WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 0);
 311		mdelay(100);
 312
 313		r = vce_v3_0_firmware_loaded(adev);
 314
 315		/* clear BUSY flag */
 316		WREG32_FIELD(VCE_STATUS, JOB_BUSY, 0);
 317
 318		if (r) {
 319			DRM_ERROR("VCE not responding, giving up!!!\n");
 320			mutex_unlock(&adev->grbm_idx_mutex);
 321			return r;
 322		}
 323	}
 324
 325	WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT);
 326	mutex_unlock(&adev->grbm_idx_mutex);
 327
 328	return 0;
 329}
 330
 331static int vce_v3_0_stop(struct amdgpu_device *adev)
 332{
 333	int idx;
 334
 335	mutex_lock(&adev->grbm_idx_mutex);
 336	for (idx = 0; idx < 2; ++idx) {
 337		if (adev->vce.harvest_config & (1 << idx))
 338			continue;
 339
 340		WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(idx));
 341
 342		if (adev->asic_type >= CHIP_STONEY)
 343			WREG32_P(mmVCE_VCPU_CNTL, 0, ~0x200001);
 344		else
 345			WREG32_FIELD(VCE_VCPU_CNTL, CLK_EN, 0);
 346
 347		/* hold on ECPU */
 348		WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 1);
 349
 350		/* clear VCE STATUS */
 351		WREG32(mmVCE_STATUS, 0);
 
 
 
 
 352	}
 353
 354	WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT);
 355	mutex_unlock(&adev->grbm_idx_mutex);
 356
 357	return 0;
 358}
 359
 360#define ixVCE_HARVEST_FUSE_MACRO__ADDRESS     0xC0014074
 361#define VCE_HARVEST_FUSE_MACRO__SHIFT       27
 362#define VCE_HARVEST_FUSE_MACRO__MASK        0x18000000
 363
 364static unsigned vce_v3_0_get_harvest_config(struct amdgpu_device *adev)
 365{
 366	u32 tmp;
 367
 
 368	if ((adev->asic_type == CHIP_FIJI) ||
 369	    (adev->asic_type == CHIP_STONEY))
 
 
 
 370		return AMDGPU_VCE_HARVEST_VCE1;
 371
 
 372	if (adev->flags & AMD_IS_APU)
 373		tmp = (RREG32_SMC(ixVCE_HARVEST_FUSE_MACRO__ADDRESS) &
 374		       VCE_HARVEST_FUSE_MACRO__MASK) >>
 375			VCE_HARVEST_FUSE_MACRO__SHIFT;
 376	else
 377		tmp = (RREG32_SMC(ixCC_HARVEST_FUSES) &
 378		       CC_HARVEST_FUSES__VCE_DISABLE_MASK) >>
 379			CC_HARVEST_FUSES__VCE_DISABLE__SHIFT;
 380
 381	switch (tmp) {
 382	case 1:
 383		return AMDGPU_VCE_HARVEST_VCE0;
 384	case 2:
 385		return AMDGPU_VCE_HARVEST_VCE1;
 386	case 3:
 387		return AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1;
 388	default:
 389		if ((adev->asic_type == CHIP_POLARIS10) ||
 390		    (adev->asic_type == CHIP_POLARIS11) ||
 391		    (adev->asic_type == CHIP_POLARIS12) ||
 392		    (adev->asic_type == CHIP_VEGAM))
 393			return AMDGPU_VCE_HARVEST_VCE1;
 394
 395		return 0;
 396	}
 397}
 398
 399static int vce_v3_0_early_init(void *handle)
 400{
 401	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 402
 403	adev->vce.harvest_config = vce_v3_0_get_harvest_config(adev);
 404
 405	if ((adev->vce.harvest_config &
 406	     (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) ==
 407	    (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1))
 408		return -ENOENT;
 409
 410	adev->vce.num_rings = 3;
 411
 412	vce_v3_0_set_ring_funcs(adev);
 413	vce_v3_0_set_irq_funcs(adev);
 414
 415	return 0;
 416}
 417
 418static int vce_v3_0_sw_init(void *handle)
 419{
 420	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 421	struct amdgpu_ring *ring;
 422	int r, i;
 423
 424	/* VCE */
 425	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_VCE_TRAP, &adev->vce.irq);
 426	if (r)
 427		return r;
 428
 429	r = amdgpu_vce_sw_init(adev, VCE_V3_0_FW_SIZE +
 430		(VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE) * 2);
 431	if (r)
 432		return r;
 433
 434	/* 52.8.3 required for 3 ring support */
 435	if (adev->vce.fw_version < FW_52_8_3)
 436		adev->vce.num_rings = 2;
 437
 438	r = amdgpu_vce_resume(adev);
 439	if (r)
 440		return r;
 441
 442	for (i = 0; i < adev->vce.num_rings; i++) {
 443		enum amdgpu_ring_priority_level hw_prio = amdgpu_vce_get_ring_prio(i);
 444
 445		ring = &adev->vce.ring[i];
 446		sprintf(ring->name, "vce%d", i);
 447		r = amdgpu_ring_init(adev, ring, 512, &adev->vce.irq, 0,
 448				     hw_prio, NULL);
 449		if (r)
 450			return r;
 451	}
 452
 453	r = amdgpu_vce_entity_init(adev);
 454
 455	return r;
 456}
 457
 458static int vce_v3_0_sw_fini(void *handle)
 459{
 460	int r;
 461	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 462
 463	r = amdgpu_vce_suspend(adev);
 464	if (r)
 465		return r;
 466
 467	return amdgpu_vce_sw_fini(adev);
 
 
 
 
 468}
 469
 470static int vce_v3_0_hw_init(void *handle)
 471{
 472	int r, i;
 473	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 474
 475	vce_v3_0_override_vce_clock_gating(adev, true);
 
 
 476
 477	amdgpu_asic_set_vce_clocks(adev, 10000, 10000);
 
 478
 479	for (i = 0; i < adev->vce.num_rings; i++) {
 480		r = amdgpu_ring_test_helper(&adev->vce.ring[i]);
 481		if (r)
 482			return r;
 
 
 483	}
 484
 485	DRM_INFO("VCE initialized successfully.\n");
 486
 487	return 0;
 488}
 489
 490static int vce_v3_0_hw_fini(void *handle)
 491{
 492	int r;
 493	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 494
 495	cancel_delayed_work_sync(&adev->vce.idle_work);
 496
 497	r = vce_v3_0_wait_for_idle(handle);
 498	if (r)
 499		return r;
 500
 501	vce_v3_0_stop(adev);
 502	return vce_v3_0_set_clockgating_state(adev, AMD_CG_STATE_GATE);
 503}
 504
 505static int vce_v3_0_suspend(void *handle)
 506{
 507	int r;
 508	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 509
 510	/*
 511	 * Proper cleanups before halting the HW engine:
 512	 *   - cancel the delayed idle work
 513	 *   - enable powergating
 514	 *   - enable clockgating
 515	 *   - disable dpm
 516	 *
 517	 * TODO: to align with the VCN implementation, move the
 518	 * jobs for clockgating/powergating/dpm setting to
 519	 * ->set_powergating_state().
 520	 */
 521	cancel_delayed_work_sync(&adev->vce.idle_work);
 522
 523	if (adev->pm.dpm_enabled) {
 524		amdgpu_dpm_enable_vce(adev, false);
 525	} else {
 526		amdgpu_asic_set_vce_clocks(adev, 0, 0);
 527		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
 528						       AMD_PG_STATE_GATE);
 529		amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
 530						       AMD_CG_STATE_GATE);
 531	}
 532
 533	r = vce_v3_0_hw_fini(adev);
 534	if (r)
 535		return r;
 536
 537	return amdgpu_vce_suspend(adev);
 538}
 539
 540static int vce_v3_0_resume(void *handle)
 541{
 542	int r;
 543	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 544
 545	r = amdgpu_vce_resume(adev);
 546	if (r)
 547		return r;
 548
 549	return vce_v3_0_hw_init(adev);
 
 
 
 
 550}
 551
 552static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx)
 553{
 554	uint32_t offset, size;
 555
 556	WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16));
 557	WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
 558	WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
 559	WREG32(mmVCE_CLOCK_GATING_B, 0x1FF);
 560
 561	WREG32(mmVCE_LMI_CTRL, 0x00398000);
 562	WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1);
 563	WREG32(mmVCE_LMI_SWAP_CNTL, 0);
 564	WREG32(mmVCE_LMI_SWAP_CNTL1, 0);
 565	WREG32(mmVCE_LMI_VM_CTRL, 0);
 566	WREG32_OR(mmVCE_VCPU_CNTL, 0x00100000);
 567
 568	if (adev->asic_type >= CHIP_STONEY) {
 569		WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR0, (adev->vce.gpu_addr >> 8));
 570		WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR1, (adev->vce.gpu_addr >> 8));
 571		WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR2, (adev->vce.gpu_addr >> 8));
 572	} else
 573		WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8));
 574	offset = AMDGPU_VCE_FIRMWARE_OFFSET;
 575	size = VCE_V3_0_FW_SIZE;
 576	WREG32(mmVCE_VCPU_CACHE_OFFSET0, offset & 0x7fffffff);
 577	WREG32(mmVCE_VCPU_CACHE_SIZE0, size);
 578
 579	if (idx == 0) {
 580		offset += size;
 581		size = VCE_V3_0_STACK_SIZE;
 582		WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0x7fffffff);
 583		WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
 584		offset += size;
 585		size = VCE_V3_0_DATA_SIZE;
 586		WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0x7fffffff);
 587		WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
 588	} else {
 589		offset += size + VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE;
 590		size = VCE_V3_0_STACK_SIZE;
 591		WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0xfffffff);
 592		WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
 593		offset += size;
 594		size = VCE_V3_0_DATA_SIZE;
 595		WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0xfffffff);
 596		WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
 597	}
 598
 599	WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100);
 600	WREG32_FIELD(VCE_SYS_INT_EN, VCE_SYS_INT_TRAP_INTERRUPT_EN, 1);
 601}
 602
 603static bool vce_v3_0_is_idle(void *handle)
 604{
 605	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 606	u32 mask = 0;
 607
 608	mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE0) ? 0 : SRBM_STATUS2__VCE0_BUSY_MASK;
 609	mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE1) ? 0 : SRBM_STATUS2__VCE1_BUSY_MASK;
 610
 611	return !(RREG32(mmSRBM_STATUS2) & mask);
 612}
 613
 614static int vce_v3_0_wait_for_idle(void *handle)
 615{
 616	unsigned i;
 617	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 618
 619	for (i = 0; i < adev->usec_timeout; i++)
 620		if (vce_v3_0_is_idle(handle))
 621			return 0;
 622
 623	return -ETIMEDOUT;
 624}
 625
 626#define  VCE_STATUS_VCPU_REPORT_AUTO_BUSY_MASK  0x00000008L   /* AUTO_BUSY */
 627#define  VCE_STATUS_VCPU_REPORT_RB0_BUSY_MASK   0x00000010L   /* RB0_BUSY */
 628#define  VCE_STATUS_VCPU_REPORT_RB1_BUSY_MASK   0x00000020L   /* RB1_BUSY */
 629#define  AMDGPU_VCE_STATUS_BUSY_MASK (VCE_STATUS_VCPU_REPORT_AUTO_BUSY_MASK | \
 630				      VCE_STATUS_VCPU_REPORT_RB0_BUSY_MASK)
 631
 632static bool vce_v3_0_check_soft_reset(void *handle)
 633{
 634	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 635	u32 srbm_soft_reset = 0;
 636
 637	/* According to VCE team , we should use VCE_STATUS instead
 638	 * SRBM_STATUS.VCE_BUSY bit for busy status checking.
 639	 * GRBM_GFX_INDEX.INSTANCE_INDEX is used to specify which VCE
 640	 * instance's registers are accessed
 641	 * (0 for 1st instance, 10 for 2nd instance).
 642	 *
 643	 *VCE_STATUS
 644	 *|UENC|ACPI|AUTO ACTIVE|RB1 |RB0 |RB2 |          |FW_LOADED|JOB |
 645	 *|----+----+-----------+----+----+----+----------+---------+----|
 646	 *|bit8|bit7|    bit6   |bit5|bit4|bit3|   bit2   |  bit1   |bit0|
 647	 *
 648	 * VCE team suggest use bit 3--bit 6 for busy status check
 649	 */
 650	mutex_lock(&adev->grbm_idx_mutex);
 651	WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0));
 652	if (RREG32(mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) {
 653		srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1);
 654		srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1);
 655	}
 656	WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1));
 657	if (RREG32(mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) {
 658		srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1);
 659		srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1);
 660	}
 661	WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0));
 662	mutex_unlock(&adev->grbm_idx_mutex);
 663
 664	if (srbm_soft_reset) {
 665		adev->vce.srbm_soft_reset = srbm_soft_reset;
 666		return true;
 667	} else {
 668		adev->vce.srbm_soft_reset = 0;
 669		return false;
 670	}
 671}
 672
 673static int vce_v3_0_soft_reset(void *handle)
 674{
 675	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 676	u32 srbm_soft_reset;
 677
 678	if (!adev->vce.srbm_soft_reset)
 679		return 0;
 680	srbm_soft_reset = adev->vce.srbm_soft_reset;
 681
 682	if (srbm_soft_reset) {
 683		u32 tmp;
 684
 685		tmp = RREG32(mmSRBM_SOFT_RESET);
 686		tmp |= srbm_soft_reset;
 687		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
 688		WREG32(mmSRBM_SOFT_RESET, tmp);
 689		tmp = RREG32(mmSRBM_SOFT_RESET);
 690
 691		udelay(50);
 692
 693		tmp &= ~srbm_soft_reset;
 694		WREG32(mmSRBM_SOFT_RESET, tmp);
 695		tmp = RREG32(mmSRBM_SOFT_RESET);
 696
 697		/* Wait a little for things to settle down */
 698		udelay(50);
 699	}
 700
 701	return 0;
 702}
 703
 704static int vce_v3_0_pre_soft_reset(void *handle)
 705{
 706	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 707
 708	if (!adev->vce.srbm_soft_reset)
 709		return 0;
 710
 711	mdelay(5);
 712
 713	return vce_v3_0_suspend(adev);
 714}
 715
 716
 717static int vce_v3_0_post_soft_reset(void *handle)
 718{
 719	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 720
 721	if (!adev->vce.srbm_soft_reset)
 722		return 0;
 723
 724	mdelay(5);
 725
 726	return vce_v3_0_resume(adev);
 727}
 728
 729static int vce_v3_0_set_interrupt_state(struct amdgpu_device *adev,
 730					struct amdgpu_irq_src *source,
 731					unsigned type,
 732					enum amdgpu_interrupt_state state)
 733{
 734	uint32_t val = 0;
 735
 736	if (state == AMDGPU_IRQ_STATE_ENABLE)
 737		val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK;
 738
 739	WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
 740	return 0;
 741}
 742
 743static int vce_v3_0_process_interrupt(struct amdgpu_device *adev,
 744				      struct amdgpu_irq_src *source,
 745				      struct amdgpu_iv_entry *entry)
 746{
 747	DRM_DEBUG("IH: VCE\n");
 748
 749	WREG32_FIELD(VCE_SYS_INT_STATUS, VCE_SYS_INT_TRAP_INTERRUPT_INT, 1);
 750
 751	switch (entry->src_data[0]) {
 752	case 0:
 753	case 1:
 754	case 2:
 755		amdgpu_fence_process(&adev->vce.ring[entry->src_data[0]]);
 756		break;
 757	default:
 758		DRM_ERROR("Unhandled interrupt: %d %d\n",
 759			  entry->src_id, entry->src_data[0]);
 760		break;
 761	}
 762
 763	return 0;
 764}
 765
 
 
 
 
 
 
 
 
 
 
 
 
 766static int vce_v3_0_set_clockgating_state(void *handle,
 767					  enum amd_clockgating_state state)
 768{
 769	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 770	bool enable = (state == AMD_CG_STATE_GATE);
 771	int i;
 772
 
 
 
 
 
 773	if (!(adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG))
 774		return 0;
 775
 776	mutex_lock(&adev->grbm_idx_mutex);
 777	for (i = 0; i < 2; i++) {
 778		/* Program VCE Instance 0 or 1 if not harvested */
 779		if (adev->vce.harvest_config & (1 << i))
 780			continue;
 781
 782		WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(i));
 783
 784		if (!enable) {
 785			/* initialize VCE_CLOCK_GATING_A: Clock ON/OFF delay */
 786			uint32_t data = RREG32(mmVCE_CLOCK_GATING_A);
 787			data &= ~(0xf | 0xff0);
 788			data |= ((0x0 << 0) | (0x04 << 4));
 789			WREG32(mmVCE_CLOCK_GATING_A, data);
 790
 791			/* initialize VCE_UENC_CLOCK_GATING: Clock ON/OFF delay */
 792			data = RREG32(mmVCE_UENC_CLOCK_GATING);
 793			data &= ~(0xf | 0xff0);
 794			data |= ((0x0 << 0) | (0x04 << 4));
 795			WREG32(mmVCE_UENC_CLOCK_GATING, data);
 796		}
 797
 798		vce_v3_0_set_vce_sw_clock_gating(adev, enable);
 799	}
 800
 801	WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT);
 802	mutex_unlock(&adev->grbm_idx_mutex);
 803
 804	return 0;
 805}
 806
 807static int vce_v3_0_set_powergating_state(void *handle,
 808					  enum amd_powergating_state state)
 809{
 810	/* This doesn't actually powergate the VCE block.
 811	 * That's done in the dpm code via the SMC.  This
 812	 * just re-inits the block as necessary.  The actual
 813	 * gating still happens in the dpm code.  We should
 814	 * revisit this when there is a cleaner line between
 815	 * the smc and the hw blocks
 816	 */
 817	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 818	int ret = 0;
 819
 820	if (state == AMD_PG_STATE_GATE) {
 821		ret = vce_v3_0_stop(adev);
 822		if (ret)
 823			goto out;
 824	} else {
 825		ret = vce_v3_0_start(adev);
 826		if (ret)
 827			goto out;
 828	}
 829
 830out:
 831	return ret;
 832}
 833
 834static void vce_v3_0_get_clockgating_state(void *handle, u64 *flags)
 835{
 836	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 837	int data;
 838
 839	mutex_lock(&adev->pm.mutex);
 840
 841	if (adev->flags & AMD_IS_APU)
 842		data = RREG32_SMC(ixCURRENT_PG_STATUS_APU);
 843	else
 844		data = RREG32_SMC(ixCURRENT_PG_STATUS);
 845
 846	if (data & CURRENT_PG_STATUS__VCE_PG_STATUS_MASK) {
 847		DRM_INFO("Cannot get clockgating state when VCE is powergated.\n");
 848		goto out;
 849	}
 850
 851	WREG32_FIELD(GRBM_GFX_INDEX, VCE_INSTANCE, 0);
 852
 853	/* AMD_CG_SUPPORT_VCE_MGCG */
 854	data = RREG32(mmVCE_CLOCK_GATING_A);
 855	if (data & (0x04 << 4))
 856		*flags |= AMD_CG_SUPPORT_VCE_MGCG;
 857
 858out:
 859	mutex_unlock(&adev->pm.mutex);
 860}
 861
 862static void vce_v3_0_ring_emit_ib(struct amdgpu_ring *ring,
 863				  struct amdgpu_job *job,
 864				  struct amdgpu_ib *ib,
 865				  uint32_t flags)
 866{
 867	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
 868
 869	amdgpu_ring_write(ring, VCE_CMD_IB_VM);
 870	amdgpu_ring_write(ring, vmid);
 871	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
 872	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
 873	amdgpu_ring_write(ring, ib->length_dw);
 874}
 875
 876static void vce_v3_0_emit_vm_flush(struct amdgpu_ring *ring,
 877				   unsigned int vmid, uint64_t pd_addr)
 878{
 879	amdgpu_ring_write(ring, VCE_CMD_UPDATE_PTB);
 880	amdgpu_ring_write(ring, vmid);
 881	amdgpu_ring_write(ring, pd_addr >> 12);
 882
 883	amdgpu_ring_write(ring, VCE_CMD_FLUSH_TLB);
 884	amdgpu_ring_write(ring, vmid);
 885	amdgpu_ring_write(ring, VCE_CMD_END);
 886}
 887
 888static void vce_v3_0_emit_pipeline_sync(struct amdgpu_ring *ring)
 889{
 890	uint32_t seq = ring->fence_drv.sync_seq;
 891	uint64_t addr = ring->fence_drv.gpu_addr;
 892
 893	amdgpu_ring_write(ring, VCE_CMD_WAIT_GE);
 894	amdgpu_ring_write(ring, lower_32_bits(addr));
 895	amdgpu_ring_write(ring, upper_32_bits(addr));
 896	amdgpu_ring_write(ring, seq);
 897}
 898
 899static const struct amd_ip_funcs vce_v3_0_ip_funcs = {
 900	.name = "vce_v3_0",
 901	.early_init = vce_v3_0_early_init,
 902	.late_init = NULL,
 903	.sw_init = vce_v3_0_sw_init,
 904	.sw_fini = vce_v3_0_sw_fini,
 905	.hw_init = vce_v3_0_hw_init,
 906	.hw_fini = vce_v3_0_hw_fini,
 907	.suspend = vce_v3_0_suspend,
 908	.resume = vce_v3_0_resume,
 909	.is_idle = vce_v3_0_is_idle,
 910	.wait_for_idle = vce_v3_0_wait_for_idle,
 911	.check_soft_reset = vce_v3_0_check_soft_reset,
 912	.pre_soft_reset = vce_v3_0_pre_soft_reset,
 913	.soft_reset = vce_v3_0_soft_reset,
 914	.post_soft_reset = vce_v3_0_post_soft_reset,
 915	.set_clockgating_state = vce_v3_0_set_clockgating_state,
 916	.set_powergating_state = vce_v3_0_set_powergating_state,
 917	.get_clockgating_state = vce_v3_0_get_clockgating_state,
 918};
 919
 920static const struct amdgpu_ring_funcs vce_v3_0_ring_phys_funcs = {
 921	.type = AMDGPU_RING_TYPE_VCE,
 922	.align_mask = 0xf,
 923	.nop = VCE_CMD_NO_OP,
 924	.support_64bit_ptrs = false,
 925	.no_user_fence = true,
 926	.get_rptr = vce_v3_0_ring_get_rptr,
 927	.get_wptr = vce_v3_0_ring_get_wptr,
 928	.set_wptr = vce_v3_0_ring_set_wptr,
 929	.parse_cs = amdgpu_vce_ring_parse_cs,
 930	.emit_frame_size =
 931		4 + /* vce_v3_0_emit_pipeline_sync */
 932		6, /* amdgpu_vce_ring_emit_fence x1 no user fence */
 933	.emit_ib_size = 4, /* amdgpu_vce_ring_emit_ib */
 934	.emit_ib = amdgpu_vce_ring_emit_ib,
 935	.emit_fence = amdgpu_vce_ring_emit_fence,
 936	.test_ring = amdgpu_vce_ring_test_ring,
 937	.test_ib = amdgpu_vce_ring_test_ib,
 938	.insert_nop = amdgpu_ring_insert_nop,
 939	.pad_ib = amdgpu_ring_generic_pad_ib,
 940	.begin_use = amdgpu_vce_ring_begin_use,
 941	.end_use = amdgpu_vce_ring_end_use,
 942};
 943
 944static const struct amdgpu_ring_funcs vce_v3_0_ring_vm_funcs = {
 945	.type = AMDGPU_RING_TYPE_VCE,
 946	.align_mask = 0xf,
 947	.nop = VCE_CMD_NO_OP,
 948	.support_64bit_ptrs = false,
 949	.no_user_fence = true,
 950	.get_rptr = vce_v3_0_ring_get_rptr,
 951	.get_wptr = vce_v3_0_ring_get_wptr,
 952	.set_wptr = vce_v3_0_ring_set_wptr,
 953	.parse_cs = amdgpu_vce_ring_parse_cs_vm,
 954	.emit_frame_size =
 955		6 + /* vce_v3_0_emit_vm_flush */
 956		4 + /* vce_v3_0_emit_pipeline_sync */
 957		6 + 6, /* amdgpu_vce_ring_emit_fence x2 vm fence */
 958	.emit_ib_size = 5, /* vce_v3_0_ring_emit_ib */
 959	.emit_ib = vce_v3_0_ring_emit_ib,
 960	.emit_vm_flush = vce_v3_0_emit_vm_flush,
 961	.emit_pipeline_sync = vce_v3_0_emit_pipeline_sync,
 962	.emit_fence = amdgpu_vce_ring_emit_fence,
 963	.test_ring = amdgpu_vce_ring_test_ring,
 964	.test_ib = amdgpu_vce_ring_test_ib,
 965	.insert_nop = amdgpu_ring_insert_nop,
 966	.pad_ib = amdgpu_ring_generic_pad_ib,
 967	.begin_use = amdgpu_vce_ring_begin_use,
 968	.end_use = amdgpu_vce_ring_end_use,
 969};
 970
 971static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev)
 972{
 973	int i;
 974
 975	if (adev->asic_type >= CHIP_STONEY) {
 976		for (i = 0; i < adev->vce.num_rings; i++) {
 977			adev->vce.ring[i].funcs = &vce_v3_0_ring_vm_funcs;
 978			adev->vce.ring[i].me = i;
 979		}
 980		DRM_INFO("VCE enabled in VM mode\n");
 981	} else {
 982		for (i = 0; i < adev->vce.num_rings; i++) {
 983			adev->vce.ring[i].funcs = &vce_v3_0_ring_phys_funcs;
 984			adev->vce.ring[i].me = i;
 985		}
 986		DRM_INFO("VCE enabled in physical mode\n");
 987	}
 988}
 989
 990static const struct amdgpu_irq_src_funcs vce_v3_0_irq_funcs = {
 991	.set = vce_v3_0_set_interrupt_state,
 992	.process = vce_v3_0_process_interrupt,
 993};
 994
 995static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev)
 996{
 997	adev->vce.irq.num_types = 1;
 998	adev->vce.irq.funcs = &vce_v3_0_irq_funcs;
 999};
1000
1001const struct amdgpu_ip_block_version vce_v3_0_ip_block =
1002{
1003	.type = AMD_IP_BLOCK_TYPE_VCE,
1004	.major = 3,
1005	.minor = 0,
1006	.rev = 0,
1007	.funcs = &vce_v3_0_ip_funcs,
1008};
1009
1010const struct amdgpu_ip_block_version vce_v3_1_ip_block =
1011{
1012	.type = AMD_IP_BLOCK_TYPE_VCE,
1013	.major = 3,
1014	.minor = 1,
1015	.rev = 0,
1016	.funcs = &vce_v3_0_ip_funcs,
1017};
1018
1019const struct amdgpu_ip_block_version vce_v3_4_ip_block =
1020{
1021	.type = AMD_IP_BLOCK_TYPE_VCE,
1022	.major = 3,
1023	.minor = 4,
1024	.rev = 0,
1025	.funcs = &vce_v3_0_ip_funcs,
1026};