vce_v2_0.c 16.6 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
/*
 * Copyright 2013 Advanced Micro Devices, Inc.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * Authors: Christian König <christian.koenig@amd.com>
 */

#include <linux/firmware.h>
#include <drm/drmP.h>
#include "amdgpu.h"
#include "amdgpu_vce.h"
#include "cikd.h"

#include "vce/vce_2_0_d.h"
#include "vce/vce_2_0_sh_mask.h"

#include "oss/oss_2_0_d.h"
#include "oss/oss_2_0_sh_mask.h"

40 41 42 43
#define VCE_V2_0_FW_SIZE	(256 * 1024)
#define VCE_V2_0_STACK_SIZE	(64 * 1024)
#define VCE_V2_0_DATA_SIZE	(23552 * AMDGPU_MAX_VCE_HANDLES)

44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171
static void vce_v2_0_mc_resume(struct amdgpu_device *adev);
static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev);
static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev);

/**
 * vce_v2_0_ring_get_rptr - get read pointer
 *
 * @ring: amdgpu_ring pointer
 *
 * Returns the current hardware read pointer
 */
static uint32_t vce_v2_0_ring_get_rptr(struct amdgpu_ring *ring)
{
	struct amdgpu_device *adev = ring->adev;

	if (ring == &adev->vce.ring[0])
		return RREG32(mmVCE_RB_RPTR);
	else
		return RREG32(mmVCE_RB_RPTR2);
}

/**
 * vce_v2_0_ring_get_wptr - get write pointer
 *
 * @ring: amdgpu_ring pointer
 *
 * Returns the current hardware write pointer
 */
static uint32_t vce_v2_0_ring_get_wptr(struct amdgpu_ring *ring)
{
	struct amdgpu_device *adev = ring->adev;

	if (ring == &adev->vce.ring[0])
		return RREG32(mmVCE_RB_WPTR);
	else
		return RREG32(mmVCE_RB_WPTR2);
}

/**
 * vce_v2_0_ring_set_wptr - set write pointer
 *
 * @ring: amdgpu_ring pointer
 *
 * Commits the write pointer to the hardware
 */
static void vce_v2_0_ring_set_wptr(struct amdgpu_ring *ring)
{
	struct amdgpu_device *adev = ring->adev;

	if (ring == &adev->vce.ring[0])
		WREG32(mmVCE_RB_WPTR, ring->wptr);
	else
		WREG32(mmVCE_RB_WPTR2, ring->wptr);
}

/**
 * vce_v2_0_start - start VCE block
 *
 * @adev: amdgpu_device pointer
 *
 * Setup and start the VCE block
 */
static int vce_v2_0_start(struct amdgpu_device *adev)
{
	struct amdgpu_ring *ring;
	int i, j, r;

	vce_v2_0_mc_resume(adev);

	/* set BUSY flag */
	WREG32_P(mmVCE_STATUS, 1, ~1);

	ring = &adev->vce.ring[0];
	WREG32(mmVCE_RB_RPTR, ring->wptr);
	WREG32(mmVCE_RB_WPTR, ring->wptr);
	WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr);
	WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
	WREG32(mmVCE_RB_SIZE, ring->ring_size / 4);

	ring = &adev->vce.ring[1];
	WREG32(mmVCE_RB_RPTR2, ring->wptr);
	WREG32(mmVCE_RB_WPTR2, ring->wptr);
	WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr);
	WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
	WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);

	WREG32_P(mmVCE_VCPU_CNTL, VCE_VCPU_CNTL__CLK_EN_MASK, ~VCE_VCPU_CNTL__CLK_EN_MASK);

	WREG32_P(mmVCE_SOFT_RESET,
		 VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
		 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);

	mdelay(100);

	WREG32_P(mmVCE_SOFT_RESET, 0, ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);

	for (i = 0; i < 10; ++i) {
		uint32_t status;
		for (j = 0; j < 100; ++j) {
			status = RREG32(mmVCE_STATUS);
			if (status & 2)
				break;
			mdelay(10);
		}
		r = 0;
		if (status & 2)
			break;

		DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
		WREG32_P(mmVCE_SOFT_RESET, VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
				~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
		mdelay(10);
		WREG32_P(mmVCE_SOFT_RESET, 0, ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
		mdelay(10);
		r = -1;
	}

	/* clear BUSY flag */
	WREG32_P(mmVCE_STATUS, 0, ~1);

	if (r) {
		DRM_ERROR("VCE not responding, giving up!!!\n");
		return r;
	}

	return 0;
}

172
static int vce_v2_0_early_init(void *handle)
173
{
174 175
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

176 177 178 179 180 181
	vce_v2_0_set_ring_funcs(adev);
	vce_v2_0_set_irq_funcs(adev);

	return 0;
}

182
static int vce_v2_0_sw_init(void *handle)
183 184 185
{
	struct amdgpu_ring *ring;
	int r;
186
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
187 188 189 190 191 192

	/* VCE */
	r = amdgpu_irq_add_id(adev, 167, &adev->vce.irq);
	if (r)
		return r;

193 194
	r = amdgpu_vce_sw_init(adev, VCE_V2_0_FW_SIZE +
		VCE_V2_0_STACK_SIZE + VCE_V2_0_DATA_SIZE);
195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218
	if (r)
		return r;

	r = amdgpu_vce_resume(adev);
	if (r)
		return r;

	ring = &adev->vce.ring[0];
	sprintf(ring->name, "vce0");
	r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
			     &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
	if (r)
		return r;

	ring = &adev->vce.ring[1];
	sprintf(ring->name, "vce1");
	r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
			     &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
	if (r)
		return r;

	return r;
}

219
static int vce_v2_0_sw_fini(void *handle)
220 221
{
	int r;
222
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
223 224 225 226 227 228 229 230 231 232 233 234

	r = amdgpu_vce_suspend(adev);
	if (r)
		return r;

	r = amdgpu_vce_sw_fini(adev);
	if (r)
		return r;

	return r;
}

235
static int vce_v2_0_hw_init(void *handle)
236 237 238
{
	struct amdgpu_ring *ring;
	int r;
239
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265

	r = vce_v2_0_start(adev);
	if (r)
		return r;

	ring = &adev->vce.ring[0];
	ring->ready = true;
	r = amdgpu_ring_test_ring(ring);
	if (r) {
		ring->ready = false;
		return r;
	}

	ring = &adev->vce.ring[1];
	ring->ready = true;
	r = amdgpu_ring_test_ring(ring);
	if (r) {
		ring->ready = false;
		return r;
	}

	DRM_INFO("VCE initialized successfully.\n");

	return 0;
}

266
static int vce_v2_0_hw_fini(void *handle)
267 268 269 270
{
	return 0;
}

271
static int vce_v2_0_suspend(void *handle)
272 273
{
	int r;
274
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
275 276 277 278 279 280 281 282 283 284 285 286

	r = vce_v2_0_hw_fini(adev);
	if (r)
		return r;

	r = amdgpu_vce_suspend(adev);
	if (r)
		return r;

	return r;
}

287
static int vce_v2_0_resume(void *handle)
288 289
{
	int r;
290
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428

	r = amdgpu_vce_resume(adev);
	if (r)
		return r;

	r = vce_v2_0_hw_init(adev);
	if (r)
		return r;

	return r;
}

static void vce_v2_0_set_sw_cg(struct amdgpu_device *adev, bool gated)
{
	u32 tmp;

	if (gated) {
		tmp = RREG32(mmVCE_CLOCK_GATING_B);
		tmp |= 0xe70000;
		WREG32(mmVCE_CLOCK_GATING_B, tmp);

		tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
		tmp |= 0xff000000;
		WREG32(mmVCE_UENC_CLOCK_GATING, tmp);

		tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
		tmp &= ~0x3fc;
		WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);

		WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
    } else {
		tmp = RREG32(mmVCE_CLOCK_GATING_B);
		tmp |= 0xe7;
		tmp &= ~0xe70000;
		WREG32(mmVCE_CLOCK_GATING_B, tmp);

		tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
		tmp |= 0x1fe000;
		tmp &= ~0xff000000;
		WREG32(mmVCE_UENC_CLOCK_GATING, tmp);

		tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
		tmp |= 0x3fc;
		WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
	}
}

static void vce_v2_0_set_dyn_cg(struct amdgpu_device *adev, bool gated)
{
	u32 orig, tmp;

	tmp = RREG32(mmVCE_CLOCK_GATING_B);
	tmp &= ~0x00060006;
	if (gated) {
		tmp |= 0xe10000;
	} else {
		tmp |= 0xe1;
		tmp &= ~0xe10000;
	}
	WREG32(mmVCE_CLOCK_GATING_B, tmp);

	orig = tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
	tmp &= ~0x1fe000;
	tmp &= ~0xff000000;
	if (tmp != orig)
		WREG32(mmVCE_UENC_CLOCK_GATING, tmp);

	orig = tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
	tmp &= ~0x3fc;
	if (tmp != orig)
		WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);

	if (gated)
		WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
}

static void vce_v2_0_disable_cg(struct amdgpu_device *adev)
{
	WREG32(mmVCE_CGTT_CLK_OVERRIDE, 7);
}

static void vce_v2_0_enable_mgcg(struct amdgpu_device *adev, bool enable)
{
	bool sw_cg = false;

	if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_VCE_MGCG)) {
		if (sw_cg)
			vce_v2_0_set_sw_cg(adev, true);
		else
			vce_v2_0_set_dyn_cg(adev, true);
	} else {
		vce_v2_0_disable_cg(adev);

		if (sw_cg)
			vce_v2_0_set_sw_cg(adev, false);
		else
			vce_v2_0_set_dyn_cg(adev, false);
	}
}

static void vce_v2_0_init_cg(struct amdgpu_device *adev)
{
	u32 tmp;

	tmp = RREG32(mmVCE_CLOCK_GATING_A);
	tmp &= ~0xfff;
	tmp |= ((0 << 0) | (4 << 4));
	tmp |= 0x40000;
	WREG32(mmVCE_CLOCK_GATING_A, tmp);

	tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
	tmp &= ~0xfff;
	tmp |= ((0 << 0) | (4 << 4));
	WREG32(mmVCE_UENC_CLOCK_GATING, tmp);

	tmp = RREG32(mmVCE_CLOCK_GATING_B);
	tmp |= 0x10;
	tmp &= ~0x100000;
	WREG32(mmVCE_CLOCK_GATING_B, tmp);
}

static void vce_v2_0_mc_resume(struct amdgpu_device *adev)
{
	uint64_t addr = adev->vce.gpu_addr;
	uint32_t size;

	WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16));
	WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
	WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
	WREG32(mmVCE_CLOCK_GATING_B, 0xf7);

	WREG32(mmVCE_LMI_CTRL, 0x00398000);
	WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1);
	WREG32(mmVCE_LMI_SWAP_CNTL, 0);
	WREG32(mmVCE_LMI_SWAP_CNTL1, 0);
	WREG32(mmVCE_LMI_VM_CTRL, 0);

	addr += AMDGPU_VCE_FIRMWARE_OFFSET;
429
	size = VCE_V2_0_FW_SIZE;
430 431 432 433
	WREG32(mmVCE_VCPU_CACHE_OFFSET0, addr & 0x7fffffff);
	WREG32(mmVCE_VCPU_CACHE_SIZE0, size);

	addr += size;
434
	size = VCE_V2_0_STACK_SIZE;
435 436 437 438
	WREG32(mmVCE_VCPU_CACHE_OFFSET1, addr & 0x7fffffff);
	WREG32(mmVCE_VCPU_CACHE_SIZE1, size);

	addr += size;
439
	size = VCE_V2_0_DATA_SIZE;
440 441 442 443 444 445 446 447 448 449 450
	WREG32(mmVCE_VCPU_CACHE_OFFSET2, addr & 0x7fffffff);
	WREG32(mmVCE_VCPU_CACHE_SIZE2, size);

	WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100);

	WREG32_P(mmVCE_SYS_INT_EN, VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK,
		 ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);

	vce_v2_0_init_cg(adev);
}

451
static bool vce_v2_0_is_idle(void *handle)
452
{
453 454
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

455 456 457
	return !(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK);
}

458
static int vce_v2_0_wait_for_idle(void *handle)
459 460
{
	unsigned i;
461
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
462 463 464 465 466 467 468 469

	for (i = 0; i < adev->usec_timeout; i++) {
		if (!(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK))
			return 0;
	}
	return -ETIMEDOUT;
}

470
static int vce_v2_0_soft_reset(void *handle)
471
{
472 473
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

474 475 476 477 478 479 480
	WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK,
			~SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK);
	mdelay(5);

	return vce_v2_0_start(adev);
}

481
static void vce_v2_0_print_status(void *handle)
482
{
483 484
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584
	dev_info(adev->dev, "VCE 2.0 registers\n");
	dev_info(adev->dev, "  VCE_STATUS=0x%08X\n",
		 RREG32(mmVCE_STATUS));
	dev_info(adev->dev, "  VCE_VCPU_CNTL=0x%08X\n",
		 RREG32(mmVCE_VCPU_CNTL));
	dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET0=0x%08X\n",
		 RREG32(mmVCE_VCPU_CACHE_OFFSET0));
	dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE0=0x%08X\n",
		 RREG32(mmVCE_VCPU_CACHE_SIZE0));
	dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET1=0x%08X\n",
		 RREG32(mmVCE_VCPU_CACHE_OFFSET1));
	dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE1=0x%08X\n",
		 RREG32(mmVCE_VCPU_CACHE_SIZE1));
	dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET2=0x%08X\n",
		 RREG32(mmVCE_VCPU_CACHE_OFFSET2));
	dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE2=0x%08X\n",
		 RREG32(mmVCE_VCPU_CACHE_SIZE2));
	dev_info(adev->dev, "  VCE_SOFT_RESET=0x%08X\n",
		 RREG32(mmVCE_SOFT_RESET));
	dev_info(adev->dev, "  VCE_RB_BASE_LO2=0x%08X\n",
		 RREG32(mmVCE_RB_BASE_LO2));
	dev_info(adev->dev, "  VCE_RB_BASE_HI2=0x%08X\n",
		 RREG32(mmVCE_RB_BASE_HI2));
	dev_info(adev->dev, "  VCE_RB_SIZE2=0x%08X\n",
		 RREG32(mmVCE_RB_SIZE2));
	dev_info(adev->dev, "  VCE_RB_RPTR2=0x%08X\n",
		 RREG32(mmVCE_RB_RPTR2));
	dev_info(adev->dev, "  VCE_RB_WPTR2=0x%08X\n",
		 RREG32(mmVCE_RB_WPTR2));
	dev_info(adev->dev, "  VCE_RB_BASE_LO=0x%08X\n",
		 RREG32(mmVCE_RB_BASE_LO));
	dev_info(adev->dev, "  VCE_RB_BASE_HI=0x%08X\n",
		 RREG32(mmVCE_RB_BASE_HI));
	dev_info(adev->dev, "  VCE_RB_SIZE=0x%08X\n",
		 RREG32(mmVCE_RB_SIZE));
	dev_info(adev->dev, "  VCE_RB_RPTR=0x%08X\n",
		 RREG32(mmVCE_RB_RPTR));
	dev_info(adev->dev, "  VCE_RB_WPTR=0x%08X\n",
		 RREG32(mmVCE_RB_WPTR));
	dev_info(adev->dev, "  VCE_CLOCK_GATING_A=0x%08X\n",
		 RREG32(mmVCE_CLOCK_GATING_A));
	dev_info(adev->dev, "  VCE_CLOCK_GATING_B=0x%08X\n",
		 RREG32(mmVCE_CLOCK_GATING_B));
	dev_info(adev->dev, "  VCE_CGTT_CLK_OVERRIDE=0x%08X\n",
		 RREG32(mmVCE_CGTT_CLK_OVERRIDE));
	dev_info(adev->dev, "  VCE_UENC_CLOCK_GATING=0x%08X\n",
		 RREG32(mmVCE_UENC_CLOCK_GATING));
	dev_info(adev->dev, "  VCE_UENC_REG_CLOCK_GATING=0x%08X\n",
		 RREG32(mmVCE_UENC_REG_CLOCK_GATING));
	dev_info(adev->dev, "  VCE_SYS_INT_EN=0x%08X\n",
		 RREG32(mmVCE_SYS_INT_EN));
	dev_info(adev->dev, "  VCE_LMI_CTRL2=0x%08X\n",
		 RREG32(mmVCE_LMI_CTRL2));
	dev_info(adev->dev, "  VCE_LMI_CTRL=0x%08X\n",
		 RREG32(mmVCE_LMI_CTRL));
	dev_info(adev->dev, "  VCE_LMI_VM_CTRL=0x%08X\n",
		 RREG32(mmVCE_LMI_VM_CTRL));
	dev_info(adev->dev, "  VCE_LMI_SWAP_CNTL=0x%08X\n",
		 RREG32(mmVCE_LMI_SWAP_CNTL));
	dev_info(adev->dev, "  VCE_LMI_SWAP_CNTL1=0x%08X\n",
		 RREG32(mmVCE_LMI_SWAP_CNTL1));
	dev_info(adev->dev, "  VCE_LMI_CACHE_CTRL=0x%08X\n",
		 RREG32(mmVCE_LMI_CACHE_CTRL));
}

static int vce_v2_0_set_interrupt_state(struct amdgpu_device *adev,
					struct amdgpu_irq_src *source,
					unsigned type,
					enum amdgpu_interrupt_state state)
{
	uint32_t val = 0;

	if (state == AMDGPU_IRQ_STATE_ENABLE)
		val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK;

	WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
	return 0;
}

static int vce_v2_0_process_interrupt(struct amdgpu_device *adev,
				      struct amdgpu_irq_src *source,
				      struct amdgpu_iv_entry *entry)
{
	DRM_DEBUG("IH: VCE\n");
	switch (entry->src_data) {
	case 0:
		amdgpu_fence_process(&adev->vce.ring[0]);
		break;
	case 1:
		amdgpu_fence_process(&adev->vce.ring[1]);
		break;
	default:
		DRM_ERROR("Unhandled interrupt: %d %d\n",
			  entry->src_id, entry->src_data);
		break;
	}

	return 0;
}

585 586
static int vce_v2_0_set_clockgating_state(void *handle,
					  enum amd_clockgating_state state)
587 588
{
	bool gate = false;
589
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
590

591
	if (state == AMD_CG_STATE_GATE)
592 593 594 595 596 597 598
		gate = true;

	vce_v2_0_enable_mgcg(adev, gate);

	return 0;
}

599 600
static int vce_v2_0_set_powergating_state(void *handle,
					  enum amd_powergating_state state)
601 602 603 604 605 606 607 608
{
	/* This doesn't actually powergate the VCE block.
	 * That's done in the dpm code via the SMC.  This
	 * just re-inits the block as necessary.  The actual
	 * gating still happens in the dpm code.  We should
	 * revisit this when there is a cleaner line between
	 * the smc and the hw blocks
	 */
609 610 611
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

	if (state == AMD_PG_STATE_GATE)
612 613 614 615 616 617
		/* XXX do we need a vce_v2_0_stop()? */
		return 0;
	else
		return vce_v2_0_start(adev);
}

618
const struct amd_ip_funcs vce_v2_0_ip_funcs = {
619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663
	.early_init = vce_v2_0_early_init,
	.late_init = NULL,
	.sw_init = vce_v2_0_sw_init,
	.sw_fini = vce_v2_0_sw_fini,
	.hw_init = vce_v2_0_hw_init,
	.hw_fini = vce_v2_0_hw_fini,
	.suspend = vce_v2_0_suspend,
	.resume = vce_v2_0_resume,
	.is_idle = vce_v2_0_is_idle,
	.wait_for_idle = vce_v2_0_wait_for_idle,
	.soft_reset = vce_v2_0_soft_reset,
	.print_status = vce_v2_0_print_status,
	.set_clockgating_state = vce_v2_0_set_clockgating_state,
	.set_powergating_state = vce_v2_0_set_powergating_state,
};

static const struct amdgpu_ring_funcs vce_v2_0_ring_funcs = {
	.get_rptr = vce_v2_0_ring_get_rptr,
	.get_wptr = vce_v2_0_ring_get_wptr,
	.set_wptr = vce_v2_0_ring_set_wptr,
	.parse_cs = amdgpu_vce_ring_parse_cs,
	.emit_ib = amdgpu_vce_ring_emit_ib,
	.emit_fence = amdgpu_vce_ring_emit_fence,
	.emit_semaphore = amdgpu_vce_ring_emit_semaphore,
	.test_ring = amdgpu_vce_ring_test_ring,
	.test_ib = amdgpu_vce_ring_test_ib,
	.is_lockup = amdgpu_ring_test_lockup,
};

static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev)
{
	adev->vce.ring[0].funcs = &vce_v2_0_ring_funcs;
	adev->vce.ring[1].funcs = &vce_v2_0_ring_funcs;
}

static const struct amdgpu_irq_src_funcs vce_v2_0_irq_funcs = {
	.set = vce_v2_0_set_interrupt_state,
	.process = vce_v2_0_process_interrupt,
};

static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev)
{
	adev->vce.irq.num_types = 1;
	adev->vce.irq.funcs = &vce_v2_0_irq_funcs;
};