1/*
   2 * Copyright 2016 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 */
  23
  24#include <linux/firmware.h>
  25
  26#include "amdgpu.h"
  27#include "amdgpu_cs.h"
  28#include "amdgpu_vcn.h"
  29#include "amdgpu_pm.h"
  30#include "soc15.h"
  31#include "soc15d.h"
  32#include "soc15_common.h"
  33
  34#include "vcn/vcn_1_0_offset.h"
  35#include "vcn/vcn_1_0_sh_mask.h"
  36#include "mmhub/mmhub_9_1_offset.h"
  37#include "mmhub/mmhub_9_1_sh_mask.h"
  38
  39#include "ivsrcid/vcn/irqsrcs_vcn_1_0.h"
  40#include "jpeg_v1_0.h"
  41#include "vcn_v1_0.h"
  42
  43#define mmUVD_RBC_XX_IB_REG_CHECK_1_0		0x05ab
  44#define mmUVD_RBC_XX_IB_REG_CHECK_1_0_BASE_IDX	1
  45#define mmUVD_REG_XX_MASK_1_0			0x05ac
  46#define mmUVD_REG_XX_MASK_1_0_BASE_IDX		1
  47
  48static int vcn_v1_0_stop(struct amdgpu_device *adev);
  49static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev);
  50static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev);
  51static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev);
  52static int vcn_v1_0_set_powergating_state(void *handle, enum amd_powergating_state state);
  53static int vcn_v1_0_pause_dpg_mode(struct amdgpu_device *adev,
  54				int inst_idx, struct dpg_pause_state *new_state);
  55
  56static void vcn_v1_0_idle_work_handler(struct work_struct *work);
  57static void vcn_v1_0_ring_begin_use(struct amdgpu_ring *ring);
  58
  59/**
  60 * vcn_v1_0_early_init - set function pointers and load microcode
  61 *
  62 * @handle: amdgpu_device pointer
  63 *
  64 * Set ring and irq function pointers
  65 * Load microcode from filesystem
  66 */
  67static int vcn_v1_0_early_init(void *handle)
  68{
  69	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  70
  71	adev->vcn.num_enc_rings = 2;
  72
  73	vcn_v1_0_set_dec_ring_funcs(adev);
  74	vcn_v1_0_set_enc_ring_funcs(adev);
  75	vcn_v1_0_set_irq_funcs(adev);
  76
  77	jpeg_v1_0_early_init(handle);
  78
  79	return amdgpu_vcn_early_init(adev);
  80}
  81
  82/**
  83 * vcn_v1_0_sw_init - sw init for VCN block
  84 *
  85 * @handle: amdgpu_device pointer
  86 *
  87 * Load firmware and sw initialization
  88 */
  89static int vcn_v1_0_sw_init(void *handle)
  90{
  91	struct amdgpu_ring *ring;
  92	int i, r;
  93	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  94
  95	/* VCN DEC TRAP */
  96	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
  97			VCN_1_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst->irq);
  98	if (r)
  99		return r;
 100
 101	/* VCN ENC TRAP */
 102	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
 103		r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, i + VCN_1_0__SRCID__UVD_ENC_GENERAL_PURPOSE,
 104					&adev->vcn.inst->irq);
 105		if (r)
 106			return r;
 107	}
 108
 109	r = amdgpu_vcn_sw_init(adev);
 110	if (r)
 111		return r;
 112
 113	/* Override the work func */
 114	adev->vcn.idle_work.work.func = vcn_v1_0_idle_work_handler;
 115
 116	amdgpu_vcn_setup_ucode(adev);
 117
 118	r = amdgpu_vcn_resume(adev);
 119	if (r)
 120		return r;
 121
 122	ring = &adev->vcn.inst->ring_dec;
 123	ring->vm_hub = AMDGPU_MMHUB0(0);
 124	sprintf(ring->name, "vcn_dec");
 125	r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
 126			     AMDGPU_RING_PRIO_DEFAULT, NULL);
 127	if (r)
 128		return r;
 129
 130	adev->vcn.internal.scratch9 = adev->vcn.inst->external.scratch9 =
 131		SOC15_REG_OFFSET(UVD, 0, mmUVD_SCRATCH9);
 132	adev->vcn.internal.data0 = adev->vcn.inst->external.data0 =
 133		SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0);
 134	adev->vcn.internal.data1 = adev->vcn.inst->external.data1 =
 135		SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1);
 136	adev->vcn.internal.cmd = adev->vcn.inst->external.cmd =
 137		SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD);
 138	adev->vcn.internal.nop = adev->vcn.inst->external.nop =
 139		SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP);
 140
 141	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
 142		enum amdgpu_ring_priority_level hw_prio = amdgpu_vcn_get_enc_ring_prio(i);
 143
 144		ring = &adev->vcn.inst->ring_enc[i];
 145		ring->vm_hub = AMDGPU_MMHUB0(0);
 146		sprintf(ring->name, "vcn_enc%d", i);
 147		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
 148				     hw_prio, NULL);
 149		if (r)
 150			return r;
 151	}
 152
 153	adev->vcn.pause_dpg_mode = vcn_v1_0_pause_dpg_mode;
 154
 155	if (amdgpu_vcnfw_log) {
 156		volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared.cpu_addr;
 157
 158		fw_shared->present_flag_0 = 0;
 159		amdgpu_vcn_fwlog_init(adev->vcn.inst);
 160	}
 161
 162	r = jpeg_v1_0_sw_init(handle);
 163
 164	return r;
 165}
 166
 167/**
 168 * vcn_v1_0_sw_fini - sw fini for VCN block
 169 *
 170 * @handle: amdgpu_device pointer
 171 *
 172 * VCN suspend and free up sw allocation
 173 */
 174static int vcn_v1_0_sw_fini(void *handle)
 175{
 176	int r;
 177	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 178
 179	r = amdgpu_vcn_suspend(adev);
 180	if (r)
 181		return r;
 182
 183	jpeg_v1_0_sw_fini(handle);
 184
 185	r = amdgpu_vcn_sw_fini(adev);
 186
 187	return r;
 188}
 189
 190/**
 191 * vcn_v1_0_hw_init - start and test VCN block
 192 *
 193 * @handle: amdgpu_device pointer
 194 *
 195 * Initialize the hardware, boot up the VCPU and do some testing
 196 */
 197static int vcn_v1_0_hw_init(void *handle)
 198{
 199	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 200	struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
 201	int i, r;
 202
 203	r = amdgpu_ring_test_helper(ring);
 204	if (r)
 205		goto done;
 206
 207	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
 208		ring = &adev->vcn.inst->ring_enc[i];
 209		r = amdgpu_ring_test_helper(ring);
 210		if (r)
 211			goto done;
 212	}
 213
 214	ring = adev->jpeg.inst->ring_dec;
 215	r = amdgpu_ring_test_helper(ring);
 216	if (r)
 217		goto done;
 218
 219done:
 220	if (!r)
 221		DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
 222			(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
 223
 224	return r;
 225}
 226
 227/**
 228 * vcn_v1_0_hw_fini - stop the hardware block
 229 *
 230 * @handle: amdgpu_device pointer
 231 *
 232 * Stop the VCN block, mark ring as not ready any more
 233 */
 234static int vcn_v1_0_hw_fini(void *handle)
 235{
 236	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 237
 238	cancel_delayed_work_sync(&adev->vcn.idle_work);
 239
 240	if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
 241		(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
 242		 RREG32_SOC15(VCN, 0, mmUVD_STATUS))) {
 243		vcn_v1_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
 244	}
 245
 246	return 0;
 247}
 248
 249/**
 250 * vcn_v1_0_suspend - suspend VCN block
 251 *
 252 * @handle: amdgpu_device pointer
 253 *
 254 * HW fini and suspend VCN block
 255 */
 256static int vcn_v1_0_suspend(void *handle)
 257{
 258	int r;
 259	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 260	bool idle_work_unexecuted;
 261
 262	idle_work_unexecuted = cancel_delayed_work_sync(&adev->vcn.idle_work);
 263	if (idle_work_unexecuted) {
 264		if (adev->pm.dpm_enabled)
 265			amdgpu_dpm_enable_uvd(adev, false);
 266	}
 267
 268	r = vcn_v1_0_hw_fini(adev);
 269	if (r)
 270		return r;
 271
 272	r = amdgpu_vcn_suspend(adev);
 273
 274	return r;
 275}
 276
 277/**
 278 * vcn_v1_0_resume - resume VCN block
 279 *
 280 * @handle: amdgpu_device pointer
 281 *
 282 * Resume firmware and hw init VCN block
 283 */
 284static int vcn_v1_0_resume(void *handle)
 285{
 286	int r;
 287	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 288
 289	r = amdgpu_vcn_resume(adev);
 290	if (r)
 291		return r;
 292
 293	r = vcn_v1_0_hw_init(adev);
 294
 295	return r;
 296}
 297
 298/**
 299 * vcn_v1_0_mc_resume_spg_mode - memory controller programming
 300 *
 301 * @adev: amdgpu_device pointer
 302 *
 303 * Let the VCN memory controller know it's offsets
 304 */
 305static void vcn_v1_0_mc_resume_spg_mode(struct amdgpu_device *adev)
 306{
 307	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[0]->size + 4);
 308	uint32_t offset;
 309
 310	/* cache window 0: fw */
 311	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
 312		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
 313			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo));
 314		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
 315			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi));
 316		WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0);
 317		offset = 0;
 318	} else {
 319		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
 320			lower_32_bits(adev->vcn.inst->gpu_addr));
 321		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
 322			upper_32_bits(adev->vcn.inst->gpu_addr));
 323		offset = size;
 324		WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
 325			     AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
 326	}
 327
 328	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size);
 329
 330	/* cache window 1: stack */
 331	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
 332		     lower_32_bits(adev->vcn.inst->gpu_addr + offset));
 333	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
 334		     upper_32_bits(adev->vcn.inst->gpu_addr + offset));
 335	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0);
 336	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
 337
 338	/* cache window 2: context */
 339	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
 340		     lower_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
 341	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
 342		     upper_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
 343	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0);
 344	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
 345
 346	WREG32_SOC15(UVD, 0, mmUVD_UDEC_ADDR_CONFIG,
 347			adev->gfx.config.gb_addr_config);
 348	WREG32_SOC15(UVD, 0, mmUVD_UDEC_DB_ADDR_CONFIG,
 349			adev->gfx.config.gb_addr_config);
 350	WREG32_SOC15(UVD, 0, mmUVD_UDEC_DBW_ADDR_CONFIG,
 351			adev->gfx.config.gb_addr_config);
 352	WREG32_SOC15(UVD, 0, mmUVD_UDEC_DBW_UV_ADDR_CONFIG,
 353			adev->gfx.config.gb_addr_config);
 354	WREG32_SOC15(UVD, 0, mmUVD_MIF_CURR_ADDR_CONFIG,
 355			adev->gfx.config.gb_addr_config);
 356	WREG32_SOC15(UVD, 0, mmUVD_MIF_CURR_UV_ADDR_CONFIG,
 357			adev->gfx.config.gb_addr_config);
 358	WREG32_SOC15(UVD, 0, mmUVD_MIF_RECON1_ADDR_CONFIG,
 359			adev->gfx.config.gb_addr_config);
 360	WREG32_SOC15(UVD, 0, mmUVD_MIF_RECON1_UV_ADDR_CONFIG,
 361			adev->gfx.config.gb_addr_config);
 362	WREG32_SOC15(UVD, 0, mmUVD_MIF_REF_ADDR_CONFIG,
 363			adev->gfx.config.gb_addr_config);
 364	WREG32_SOC15(UVD, 0, mmUVD_MIF_REF_UV_ADDR_CONFIG,
 365			adev->gfx.config.gb_addr_config);
 366	WREG32_SOC15(UVD, 0, mmUVD_JPEG_ADDR_CONFIG,
 367			adev->gfx.config.gb_addr_config);
 368	WREG32_SOC15(UVD, 0, mmUVD_JPEG_UV_ADDR_CONFIG,
 369			adev->gfx.config.gb_addr_config);
 370}
 371
 372static void vcn_v1_0_mc_resume_dpg_mode(struct amdgpu_device *adev)
 373{
 374	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[0]->size + 4);
 375	uint32_t offset;
 376
 377	/* cache window 0: fw */
 378	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
 379		WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
 380			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo),
 381			     0xFFFFFFFF, 0);
 382		WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
 383			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi),
 384			     0xFFFFFFFF, 0);
 385		WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0,
 386			     0xFFFFFFFF, 0);
 387		offset = 0;
 388	} else {
 389		WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
 390			lower_32_bits(adev->vcn.inst->gpu_addr), 0xFFFFFFFF, 0);
 391		WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
 392			upper_32_bits(adev->vcn.inst->gpu_addr), 0xFFFFFFFF, 0);
 393		offset = size;
 394		WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
 395			     AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0xFFFFFFFF, 0);
 396	}
 397
 398	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size, 0xFFFFFFFF, 0);
 399
 400	/* cache window 1: stack */
 401	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
 402		     lower_32_bits(adev->vcn.inst->gpu_addr + offset), 0xFFFFFFFF, 0);
 403	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
 404		     upper_32_bits(adev->vcn.inst->gpu_addr + offset), 0xFFFFFFFF, 0);
 405	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0,
 406			     0xFFFFFFFF, 0);
 407	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE,
 408			     0xFFFFFFFF, 0);
 409
 410	/* cache window 2: context */
 411	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
 412		     lower_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE),
 413			     0xFFFFFFFF, 0);
 414	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
 415		     upper_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE),
 416			     0xFFFFFFFF, 0);
 417	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0, 0xFFFFFFFF, 0);
 418	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE,
 419			     0xFFFFFFFF, 0);
 420
 421	/* VCN global tiling registers */
 422	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_UDEC_ADDR_CONFIG,
 423			adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 424	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_UDEC_DB_ADDR_CONFIG,
 425			adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 426	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_UDEC_DBW_ADDR_CONFIG,
 427			adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 428	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_UDEC_DBW_UV_ADDR_CONFIG,
 429		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 430	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MIF_CURR_ADDR_CONFIG,
 431		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 432	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MIF_CURR_UV_ADDR_CONFIG,
 433		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 434	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MIF_RECON1_ADDR_CONFIG,
 435		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 436	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MIF_RECON1_UV_ADDR_CONFIG,
 437		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 438	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MIF_REF_ADDR_CONFIG,
 439		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 440	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MIF_REF_UV_ADDR_CONFIG,
 441		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
 442}
 443
 444/**
 445 * vcn_v1_0_disable_clock_gating - disable VCN clock gating
 446 *
 447 * @adev: amdgpu_device pointer
 448 *
 449 * Disable clock gating for VCN block
 450 */
 451static void vcn_v1_0_disable_clock_gating(struct amdgpu_device *adev)
 452{
 453	uint32_t data;
 454
 455	/* JPEG disable CGC */
 456	data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL);
 457
 458	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 459		data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 460	else
 461		data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE_MASK;
 462
 463	data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 464	data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 465	WREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL, data);
 466
 467	data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE);
 468	data &= ~(JPEG_CGC_GATE__JPEG_MASK | JPEG_CGC_GATE__JPEG2_MASK);
 469	WREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE, data);
 470
 471	/* UVD disable CGC */
 472	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 473	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 474		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 475	else
 476		data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
 477
 478	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 479	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 480	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 481
 482	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_GATE);
 483	data &= ~(UVD_CGC_GATE__SYS_MASK
 484		| UVD_CGC_GATE__UDEC_MASK
 485		| UVD_CGC_GATE__MPEG2_MASK
 486		| UVD_CGC_GATE__REGS_MASK
 487		| UVD_CGC_GATE__RBC_MASK
 488		| UVD_CGC_GATE__LMI_MC_MASK
 489		| UVD_CGC_GATE__LMI_UMC_MASK
 490		| UVD_CGC_GATE__IDCT_MASK
 491		| UVD_CGC_GATE__MPRD_MASK
 492		| UVD_CGC_GATE__MPC_MASK
 493		| UVD_CGC_GATE__LBSI_MASK
 494		| UVD_CGC_GATE__LRBBM_MASK
 495		| UVD_CGC_GATE__UDEC_RE_MASK
 496		| UVD_CGC_GATE__UDEC_CM_MASK
 497		| UVD_CGC_GATE__UDEC_IT_MASK
 498		| UVD_CGC_GATE__UDEC_DB_MASK
 499		| UVD_CGC_GATE__UDEC_MP_MASK
 500		| UVD_CGC_GATE__WCB_MASK
 501		| UVD_CGC_GATE__VCPU_MASK
 502		| UVD_CGC_GATE__SCPU_MASK);
 503	WREG32_SOC15(VCN, 0, mmUVD_CGC_GATE, data);
 504
 505	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 506	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
 507		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
 508		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
 509		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
 510		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
 511		| UVD_CGC_CTRL__SYS_MODE_MASK
 512		| UVD_CGC_CTRL__UDEC_MODE_MASK
 513		| UVD_CGC_CTRL__MPEG2_MODE_MASK
 514		| UVD_CGC_CTRL__REGS_MODE_MASK
 515		| UVD_CGC_CTRL__RBC_MODE_MASK
 516		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
 517		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
 518		| UVD_CGC_CTRL__IDCT_MODE_MASK
 519		| UVD_CGC_CTRL__MPRD_MODE_MASK
 520		| UVD_CGC_CTRL__MPC_MODE_MASK
 521		| UVD_CGC_CTRL__LBSI_MODE_MASK
 522		| UVD_CGC_CTRL__LRBBM_MODE_MASK
 523		| UVD_CGC_CTRL__WCB_MODE_MASK
 524		| UVD_CGC_CTRL__VCPU_MODE_MASK
 525		| UVD_CGC_CTRL__SCPU_MODE_MASK);
 526	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 527
 528	/* turn on */
 529	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE);
 530	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
 531		| UVD_SUVD_CGC_GATE__SIT_MASK
 532		| UVD_SUVD_CGC_GATE__SMP_MASK
 533		| UVD_SUVD_CGC_GATE__SCM_MASK
 534		| UVD_SUVD_CGC_GATE__SDB_MASK
 535		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
 536		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
 537		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
 538		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
 539		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
 540		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
 541		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
 542		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
 543		| UVD_SUVD_CGC_GATE__SCLR_MASK
 544		| UVD_SUVD_CGC_GATE__UVD_SC_MASK
 545		| UVD_SUVD_CGC_GATE__ENT_MASK
 546		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
 547		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
 548		| UVD_SUVD_CGC_GATE__SITE_MASK
 549		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
 550		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
 551		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
 552		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
 553		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
 554	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE, data);
 555
 556	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
 557	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
 558		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
 559		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
 560		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
 561		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
 562		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
 563		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
 564		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
 565		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
 566		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
 567	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
 568}
 569
 570/**
 571 * vcn_v1_0_enable_clock_gating - enable VCN clock gating
 572 *
 573 * @adev: amdgpu_device pointer
 574 *
 575 * Enable clock gating for VCN block
 576 */
 577static void vcn_v1_0_enable_clock_gating(struct amdgpu_device *adev)
 578{
 579	uint32_t data = 0;
 580
 581	/* enable JPEG CGC */
 582	data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL);
 583	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 584		data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 585	else
 586		data |= 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 587	data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 588	data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 589	WREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL, data);
 590
 591	data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE);
 592	data |= (JPEG_CGC_GATE__JPEG_MASK | JPEG_CGC_GATE__JPEG2_MASK);
 593	WREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE, data);
 594
 595	/* enable UVD CGC */
 596	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 597	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 598		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 599	else
 600		data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 601	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 602	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 603	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 604
 605	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
 606	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
 607		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
 608		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
 609		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
 610		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
 611		| UVD_CGC_CTRL__SYS_MODE_MASK
 612		| UVD_CGC_CTRL__UDEC_MODE_MASK
 613		| UVD_CGC_CTRL__MPEG2_MODE_MASK
 614		| UVD_CGC_CTRL__REGS_MODE_MASK
 615		| UVD_CGC_CTRL__RBC_MODE_MASK
 616		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
 617		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
 618		| UVD_CGC_CTRL__IDCT_MODE_MASK
 619		| UVD_CGC_CTRL__MPRD_MODE_MASK
 620		| UVD_CGC_CTRL__MPC_MODE_MASK
 621		| UVD_CGC_CTRL__LBSI_MODE_MASK
 622		| UVD_CGC_CTRL__LRBBM_MODE_MASK
 623		| UVD_CGC_CTRL__WCB_MODE_MASK
 624		| UVD_CGC_CTRL__VCPU_MODE_MASK
 625		| UVD_CGC_CTRL__SCPU_MODE_MASK);
 626	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
 627
 628	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
 629	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
 630		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
 631		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
 632		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
 633		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
 634		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
 635		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
 636		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
 637		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
 638		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
 639	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
 640}
 641
 642static void vcn_v1_0_clock_gating_dpg_mode(struct amdgpu_device *adev, uint8_t sram_sel)
 643{
 644	uint32_t reg_data = 0;
 645
 646	/* disable JPEG CGC */
 647	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 648		reg_data = 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 649	else
 650		reg_data = 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 651	reg_data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 652	reg_data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 653	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmJPEG_CGC_CTRL, reg_data, 0xFFFFFFFF, sram_sel);
 654
 655	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmJPEG_CGC_GATE, 0, 0xFFFFFFFF, sram_sel);
 656
 657	/* enable sw clock gating control */
 658	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
 659		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 660	else
 661		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 662	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 663	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 664	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
 665		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
 666		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
 667		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
 668		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
 669		 UVD_CGC_CTRL__SYS_MODE_MASK |
 670		 UVD_CGC_CTRL__UDEC_MODE_MASK |
 671		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
 672		 UVD_CGC_CTRL__REGS_MODE_MASK |
 673		 UVD_CGC_CTRL__RBC_MODE_MASK |
 674		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
 675		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
 676		 UVD_CGC_CTRL__IDCT_MODE_MASK |
 677		 UVD_CGC_CTRL__MPRD_MODE_MASK |
 678		 UVD_CGC_CTRL__MPC_MODE_MASK |
 679		 UVD_CGC_CTRL__LBSI_MODE_MASK |
 680		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
 681		 UVD_CGC_CTRL__WCB_MODE_MASK |
 682		 UVD_CGC_CTRL__VCPU_MODE_MASK |
 683		 UVD_CGC_CTRL__SCPU_MODE_MASK);
 684	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_CGC_CTRL, reg_data, 0xFFFFFFFF, sram_sel);
 685
 686	/* turn off clock gating */
 687	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_CGC_GATE, 0, 0xFFFFFFFF, sram_sel);
 688
 689	/* turn on SUVD clock gating */
 690	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_SUVD_CGC_GATE, 1, 0xFFFFFFFF, sram_sel);
 691
 692	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
 693	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_SUVD_CGC_CTRL, 0, 0xFFFFFFFF, sram_sel);
 694}
 695
 696static void vcn_1_0_disable_static_power_gating(struct amdgpu_device *adev)
 697{
 698	uint32_t data = 0;
 699
 700	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
 701		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
 702			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
 703			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
 704			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
 705			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
 706			| 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
 707			| 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
 708			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
 709			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
 710			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
 711			| 2 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT);
 712
 713		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
 714		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON, 0xFFFFFF);
 715	} else {
 716		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
 717			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
 718			| 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
 719			| 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
 720			| 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
 721			| 1 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
 722			| 1 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
 723			| 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
 724			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
 725			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
 726			| 1 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT);
 727		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
 728		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 0,  0xFFFFFFFF);
 729	}
 730
 731	/* polling UVD_PGFSM_STATUS to confirm UVDM_PWR_STATUS , UVDU_PWR_STATUS are 0 (power on) */
 732
 733	data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
 734	data &= ~0x103;
 735	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
 736		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON | UVD_POWER_STATUS__UVD_PG_EN_MASK;
 737
 738	WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
 739}
 740
 741static void vcn_1_0_enable_static_power_gating(struct amdgpu_device *adev)
 742{
 743	uint32_t data = 0;
 744
 745	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
 746		/* Before power off, this indicator has to be turned on */
 747		data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
 748		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
 749		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
 750		WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
 751
 752
 753		data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
 754			| 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
 755			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
 756			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
 757			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
 758			| 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
 759			| 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
 760			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
 761			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
 762			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
 763			| 2 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT);
 764
 765		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
 766
 767		data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
 768			| 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT
 769			| 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
 770			| 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT
 771			| 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
 772			| 2 << UVD_PGFSM_STATUS__UVDIL_PWR_STATUS__SHIFT
 773			| 2 << UVD_PGFSM_STATUS__UVDIR_PWR_STATUS__SHIFT
 774			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
 775			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
 776			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT
 777			| 2 << UVD_PGFSM_STATUS__UVDW_PWR_STATUS__SHIFT);
 778		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, data, 0xFFFFFFFF);
 779	}
 780}
 781
 782/**
 783 * vcn_v1_0_start_spg_mode - start VCN block
 784 *
 785 * @adev: amdgpu_device pointer
 786 *
 787 * Setup and start the VCN block
 788 */
 789static int vcn_v1_0_start_spg_mode(struct amdgpu_device *adev)
 790{
 791	struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
 792	uint32_t rb_bufsz, tmp;
 793	uint32_t lmi_swap_cntl;
 794	int i, j, r;
 795
 796	/* disable byte swapping */
 797	lmi_swap_cntl = 0;
 798
 799	vcn_1_0_disable_static_power_gating(adev);
 800
 801	tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
 802	WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
 803
 804	/* disable clock gating */
 805	vcn_v1_0_disable_clock_gating(adev);
 806
 807	/* disable interupt */
 808	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0,
 809			~UVD_MASTINT_EN__VCPU_EN_MASK);
 810
 811	/* initialize VCN memory controller */
 812	tmp = RREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL);
 813	WREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL, tmp		|
 814		UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
 815		UVD_LMI_CTRL__MASK_MC_URGENT_MASK			|
 816		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK		|
 817		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
 818
 819#ifdef __BIG_ENDIAN
 820	/* swap (8 in 32) RB and IB */
 821	lmi_swap_cntl = 0xa;
 822#endif
 823	WREG32_SOC15(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
 824
 825	tmp = RREG32_SOC15(UVD, 0, mmUVD_MPC_CNTL);
 826	tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
 827	tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
 828	WREG32_SOC15(UVD, 0, mmUVD_MPC_CNTL, tmp);
 829
 830	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA0,
 831		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
 832		(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
 833		(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
 834		(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
 835
 836	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB0,
 837		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
 838		(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
 839		(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
 840		(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
 841
 842	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUX,
 843		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
 844		(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
 845		(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
 846
 847	vcn_v1_0_mc_resume_spg_mode(adev);
 848
 849	WREG32_SOC15(UVD, 0, mmUVD_REG_XX_MASK_1_0, 0x10);
 850	WREG32_SOC15(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK_1_0,
 851		RREG32_SOC15(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK_1_0) | 0x3);
 852
 853	/* enable VCPU clock */
 854	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CNTL, UVD_VCPU_CNTL__CLK_EN_MASK);
 855
 856	/* boot up the VCPU */
 857	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
 858			~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
 859
 860	/* enable UMC */
 861	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0,
 862			~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
 863
 864	tmp = RREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET);
 865	tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
 866	tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
 867	WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, tmp);
 868
 869	for (i = 0; i < 10; ++i) {
 870		uint32_t status;
 871
 872		for (j = 0; j < 100; ++j) {
 873			status = RREG32_SOC15(UVD, 0, mmUVD_STATUS);
 874			if (status & UVD_STATUS__IDLE)
 875				break;
 876			mdelay(10);
 877		}
 878		r = 0;
 879		if (status & UVD_STATUS__IDLE)
 880			break;
 881
 882		DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
 883		WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
 884				UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
 885				~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
 886		mdelay(10);
 887		WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
 888				~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
 889		mdelay(10);
 890		r = -1;
 891	}
 892
 893	if (r) {
 894		DRM_ERROR("VCN decode not responding, giving up!!!\n");
 895		return r;
 896	}
 897	/* enable master interrupt */
 898	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN),
 899		UVD_MASTINT_EN__VCPU_EN_MASK, ~UVD_MASTINT_EN__VCPU_EN_MASK);
 900
 901	/* enable system interrupt for JRBC, TODO: move to set interrupt*/
 902	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SYS_INT_EN),
 903		UVD_SYS_INT_EN__UVD_JRBC_EN_MASK,
 904		~UVD_SYS_INT_EN__UVD_JRBC_EN_MASK);
 905
 906	/* clear the busy bit of UVD_STATUS */
 907	tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) & ~UVD_STATUS__UVD_BUSY;
 908	WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
 909
 910	/* force RBC into idle state */
 911	rb_bufsz = order_base_2(ring->ring_size);
 912	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
 913	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
 914	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
 915	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
 916	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
 917	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
 918
 919	/* set the write pointer delay */
 920	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
 921
 922	/* set the wb address */
 923	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR,
 924			(upper_32_bits(ring->gpu_addr) >> 2));
 925
 926	/* program the RB_BASE for ring buffer */
 927	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
 928			lower_32_bits(ring->gpu_addr));
 929	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
 930			upper_32_bits(ring->gpu_addr));
 931
 932	/* Initialize the ring buffer's read and write pointers */
 933	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
 934
 935	WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
 936
 937	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
 938	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
 939			lower_32_bits(ring->wptr));
 940
 941	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0,
 942			~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
 943
 944	ring = &adev->vcn.inst->ring_enc[0];
 945	WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
 946	WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
 947	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
 948	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
 949	WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
 950
 951	ring = &adev->vcn.inst->ring_enc[1];
 952	WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
 953	WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
 954	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
 955	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
 956	WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
 957
 958	jpeg_v1_0_start(adev, 0);
 959
 960	return 0;
 961}
 962
 963static int vcn_v1_0_start_dpg_mode(struct amdgpu_device *adev)
 964{
 965	struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
 966	uint32_t rb_bufsz, tmp;
 967	uint32_t lmi_swap_cntl;
 968
 969	/* disable byte swapping */
 970	lmi_swap_cntl = 0;
 971
 972	vcn_1_0_enable_static_power_gating(adev);
 973
 974	/* enable dynamic power gating mode */
 975	tmp = RREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS);
 976	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
 977	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
 978	WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, tmp);
 979
 980	/* enable clock gating */
 981	vcn_v1_0_clock_gating_dpg_mode(adev, 0);
 982
 983	/* enable VCPU clock */
 984	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
 985	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
 986	tmp |= UVD_VCPU_CNTL__MIF_WR_LOW_THRESHOLD_BP_MASK;
 987	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_VCPU_CNTL, tmp, 0xFFFFFFFF, 0);
 988
 989	/* disable interupt */
 990	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MASTINT_EN,
 991			0, UVD_MASTINT_EN__VCPU_EN_MASK, 0);
 992
 993	/* initialize VCN memory controller */
 994	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_CTRL,
 995		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
 996		UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
 997		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
 998		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
 999		UVD_LMI_CTRL__REQ_MODE_MASK |
1000		UVD_LMI_CTRL__CRC_RESET_MASK |
1001		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1002		0x00100000L, 0xFFFFFFFF, 0);
1003
1004#ifdef __BIG_ENDIAN
1005	/* swap (8 in 32) RB and IB */
1006	lmi_swap_cntl = 0xa;
1007#endif
1008	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl, 0xFFFFFFFF, 0);
1009
1010	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MPC_CNTL,
1011		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0xFFFFFFFF, 0);
1012
1013	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MPC_SET_MUXA0,
1014		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1015		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1016		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1017		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0xFFFFFFFF, 0);
1018
1019	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MPC_SET_MUXB0,
1020		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1021		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1022		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1023		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0xFFFFFFFF, 0);
1024
1025	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MPC_SET_MUX,
1026		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1027		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1028		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0xFFFFFFFF, 0);
1029
1030	vcn_v1_0_mc_resume_dpg_mode(adev);
1031
1032	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_REG_XX_MASK, 0x10, 0xFFFFFFFF, 0);
1033	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK, 0x3, 0xFFFFFFFF, 0);
1034
1035	/* boot up the VCPU */
1036	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_SOFT_RESET, 0, 0xFFFFFFFF, 0);
1037
1038	/* enable UMC */
1039	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_CTRL2,
1040		0x1F << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT,
1041		0xFFFFFFFF, 0);
1042
1043	/* enable master interrupt */
1044	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_MASTINT_EN,
1045			UVD_MASTINT_EN__VCPU_EN_MASK, UVD_MASTINT_EN__VCPU_EN_MASK, 0);
1046
1047	vcn_v1_0_clock_gating_dpg_mode(adev, 1);
1048	/* setup mmUVD_LMI_CTRL */
1049	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_LMI_CTRL,
1050		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
1051		UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
1052		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1053		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
1054		UVD_LMI_CTRL__REQ_MODE_MASK |
1055		UVD_LMI_CTRL__CRC_RESET_MASK |
1056		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1057		0x00100000L, 0xFFFFFFFF, 1);
1058
1059	tmp = adev->gfx.config.gb_addr_config;
1060	/* setup VCN global tiling registers */
1061	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_JPEG_ADDR_CONFIG, tmp, 0xFFFFFFFF, 1);
1062	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_JPEG_UV_ADDR_CONFIG, tmp, 0xFFFFFFFF, 1);
1063
1064	/* enable System Interrupt for JRBC */
1065	WREG32_SOC15_DPG_MODE_1_0(UVD, 0, mmUVD_SYS_INT_EN,
1066									UVD_SYS_INT_EN__UVD_JRBC_EN_MASK, 0xFFFFFFFF, 1);
1067
1068	/* force RBC into idle state */
1069	rb_bufsz = order_base_2(ring->ring_size);
1070	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1071	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1072	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1073	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1074	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1075	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
1076
1077	/* set the write pointer delay */
1078	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
1079
1080	/* set the wb address */
1081	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR,
1082								(upper_32_bits(ring->gpu_addr) >> 2));
1083
1084	/* program the RB_BASE for ring buffer */
1085	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1086								lower_32_bits(ring->gpu_addr));
1087	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1088								upper_32_bits(ring->gpu_addr));
1089
1090	/* Initialize the ring buffer's read and write pointers */
1091	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
1092
1093	WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
1094
1095	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1096	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1097								lower_32_bits(ring->wptr));
1098
1099	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0,
1100			~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
1101
1102	jpeg_v1_0_start(adev, 1);
1103
1104	return 0;
1105}
1106
1107static int vcn_v1_0_start(struct amdgpu_device *adev)
1108{
1109	return (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ?
1110		vcn_v1_0_start_dpg_mode(adev) : vcn_v1_0_start_spg_mode(adev);
1111}
1112
1113/**
1114 * vcn_v1_0_stop_spg_mode - stop VCN block
1115 *
1116 * @adev: amdgpu_device pointer
1117 *
1118 * stop the VCN block
1119 */
1120static int vcn_v1_0_stop_spg_mode(struct amdgpu_device *adev)
1121{
1122	int tmp;
1123
1124	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1125
1126	tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1127		UVD_LMI_STATUS__READ_CLEAN_MASK |
1128		UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1129		UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1130	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp);
1131
1132	/* stall UMC channel */
1133	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2),
1134		UVD_LMI_CTRL2__STALL_ARB_UMC_MASK,
1135		~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1136
1137	tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
1138		UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1139	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp);
1140
1141	/* disable VCPU clock */
1142	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 0,
1143		~UVD_VCPU_CNTL__CLK_EN_MASK);
1144
1145	/* reset LMI UMC/LMI */
1146	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1147		UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK,
1148		~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
1149
1150	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1151		UVD_SOFT_RESET__LMI_SOFT_RESET_MASK,
1152		~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK);
1153
1154	/* put VCPU into reset */
1155	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1156		UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
1157		~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1158
1159	WREG32_SOC15(UVD, 0, mmUVD_STATUS, 0);
1160
1161	vcn_v1_0_enable_clock_gating(adev);
1162	vcn_1_0_enable_static_power_gating(adev);
1163	return 0;
1164}
1165
1166static int vcn_v1_0_stop_dpg_mode(struct amdgpu_device *adev)
1167{
1168	uint32_t tmp;
1169
1170	/* Wait for power status to be UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF */
1171	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1172			UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
1173			UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1174
1175	/* wait for read ptr to be equal to write ptr */
1176	tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
1177	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1178
1179	tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
1180	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1181
1182	tmp = RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
1183	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_JRBC_RB_RPTR, tmp, 0xFFFFFFFF);
1184
1185	tmp = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1186	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1187
1188	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1189		UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
1190		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1191
1192	/* disable dynamic power gating mode */
1193	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0,
1194			~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1195
1196	return 0;
1197}
1198
1199static int vcn_v1_0_stop(struct amdgpu_device *adev)
1200{
1201	int r;
1202
1203	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1204		r = vcn_v1_0_stop_dpg_mode(adev);
1205	else
1206		r = vcn_v1_0_stop_spg_mode(adev);
1207
1208	return r;
1209}
1210
1211static int vcn_v1_0_pause_dpg_mode(struct amdgpu_device *adev,
1212				int inst_idx, struct dpg_pause_state *new_state)
1213{
1214	int ret_code;
1215	uint32_t reg_data = 0;
1216	uint32_t reg_data2 = 0;
1217	struct amdgpu_ring *ring;
1218
1219	/* pause/unpause if state is changed */
1220	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1221		DRM_DEBUG("dpg pause state changed %d:%d -> %d:%d",
1222			adev->vcn.inst[inst_idx].pause_state.fw_based,
1223			adev->vcn.inst[inst_idx].pause_state.jpeg,
1224			new_state->fw_based, new_state->jpeg);
1225
1226		reg_data = RREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE) &
1227			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1228
1229		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1230			ret_code = 0;
1231
1232			if (!(reg_data & UVD_DPG_PAUSE__JPEG_PAUSE_DPG_ACK_MASK))
1233				ret_code = SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1234						   UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
1235						   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1236
1237			if (!ret_code) {
1238				/* pause DPG non-jpeg */
1239				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1240				WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1241				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_DPG_PAUSE,
1242						   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1243						   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1244
1245				/* Restore */
1246				ring = &adev->vcn.inst->ring_enc[0];
1247				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
1248				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1249				WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
1250				WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1251				WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1252
1253				ring = &adev->vcn.inst->ring_enc[1];
1254				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1255				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1256				WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
1257				WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1258				WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1259
1260				ring = &adev->vcn.inst->ring_dec;
1261				WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1262						   RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
1263				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1264						   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
1265						   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1266			}
1267		} else {
1268			/* unpause dpg non-jpeg, no need to wait */
1269			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1270			WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1271		}
1272		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1273	}
1274
1275	/* pause/unpause if state is changed */
1276	if (adev->vcn.inst[inst_idx].pause_state.jpeg != new_state->jpeg) {
1277		DRM_DEBUG("dpg pause state changed %d:%d -> %d:%d",
1278			adev->vcn.inst[inst_idx].pause_state.fw_based,
1279			adev->vcn.inst[inst_idx].pause_state.jpeg,
1280			new_state->fw_based, new_state->jpeg);
1281
1282		reg_data = RREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE) &
1283			(~UVD_DPG_PAUSE__JPEG_PAUSE_DPG_ACK_MASK);
1284
1285		if (new_state->jpeg == VCN_DPG_STATE__PAUSE) {
1286			ret_code = 0;
1287
1288			if (!(reg_data & UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK))
1289				ret_code = SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1290						   UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
1291						   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1292
1293			if (!ret_code) {
1294				/* Make sure JPRG Snoop is disabled before sending the pause */
1295				reg_data2 = RREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS);
1296				reg_data2 |= UVD_POWER_STATUS__JRBC_SNOOP_DIS_MASK;
1297				WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, reg_data2);
1298
1299				/* pause DPG jpeg */
1300				reg_data |= UVD_DPG_PAUSE__JPEG_PAUSE_DPG_REQ_MASK;
1301				WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1302				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_DPG_PAUSE,
1303							UVD_DPG_PAUSE__JPEG_PAUSE_DPG_ACK_MASK,
1304							UVD_DPG_PAUSE__JPEG_PAUSE_DPG_ACK_MASK);
1305
1306				/* Restore */
1307				ring = adev->jpeg.inst->ring_dec;
1308				WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
1309				WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_CNTL,
1310							UVD_JRBC_RB_CNTL__RB_NO_FETCH_MASK |
1311							UVD_JRBC_RB_CNTL__RB_RPTR_WR_EN_MASK);
1312				WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
1313							lower_32_bits(ring->gpu_addr));
1314				WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
1315							upper_32_bits(ring->gpu_addr));
1316				WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_RPTR, ring->wptr);
1317				WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR, ring->wptr);
1318				WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_CNTL,
1319							UVD_JRBC_RB_CNTL__RB_RPTR_WR_EN_MASK);
1320
1321				ring = &adev->vcn.inst->ring_dec;
1322				WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1323						   RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
1324				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1325						   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
1326						   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1327			}
1328		} else {
1329			/* unpause dpg jpeg, no need to wait */
1330			reg_data &= ~UVD_DPG_PAUSE__JPEG_PAUSE_DPG_REQ_MASK;
1331			WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1332		}
1333		adev->vcn.inst[inst_idx].pause_state.jpeg = new_state->jpeg;
1334	}
1335
1336	return 0;
1337}
1338
1339static bool vcn_v1_0_is_idle(void *handle)
1340{
1341	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1342
1343	return (RREG32_SOC15(VCN, 0, mmUVD_STATUS) == UVD_STATUS__IDLE);
1344}
1345
1346static int vcn_v1_0_wait_for_idle(void *handle)
1347{
1348	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1349	int ret;
1350
1351	ret = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE,
1352		UVD_STATUS__IDLE);
1353
1354	return ret;
1355}
1356
1357static int vcn_v1_0_set_clockgating_state(void *handle,
1358					  enum amd_clockgating_state state)
1359{
1360	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1361	bool enable = (state == AMD_CG_STATE_GATE);
1362
1363	if (enable) {
1364		/* wait for STATUS to clear */
1365		if (!vcn_v1_0_is_idle(handle))
1366			return -EBUSY;
1367		vcn_v1_0_enable_clock_gating(adev);
1368	} else {
1369		/* disable HW gating and enable Sw gating */
1370		vcn_v1_0_disable_clock_gating(adev);
1371	}
1372	return 0;
1373}
1374
1375/**
1376 * vcn_v1_0_dec_ring_get_rptr - get read pointer
1377 *
1378 * @ring: amdgpu_ring pointer
1379 *
1380 * Returns the current hardware read pointer
1381 */
1382static uint64_t vcn_v1_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
1383{
1384	struct amdgpu_device *adev = ring->adev;
1385
1386	return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1387}
1388
1389/**
1390 * vcn_v1_0_dec_ring_get_wptr - get write pointer
1391 *
1392 * @ring: amdgpu_ring pointer
1393 *
1394 * Returns the current hardware write pointer
1395 */
1396static uint64_t vcn_v1_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
1397{
1398	struct amdgpu_device *adev = ring->adev;
1399
1400	return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR);
1401}
1402
1403/**
1404 * vcn_v1_0_dec_ring_set_wptr - set write pointer
1405 *
1406 * @ring: amdgpu_ring pointer
1407 *
1408 * Commits the write pointer to the hardware
1409 */
1410static void vcn_v1_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
1411{
1412	struct amdgpu_device *adev = ring->adev;
1413
1414	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1415		WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2,
1416			lower_32_bits(ring->wptr) | 0x80000000);
1417
1418	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1419}
1420
1421/**
1422 * vcn_v1_0_dec_ring_insert_start - insert a start command
1423 *
1424 * @ring: amdgpu_ring pointer
1425 *
1426 * Write a start command to the ring.
1427 */
1428static void vcn_v1_0_dec_ring_insert_start(struct amdgpu_ring *ring)
1429{
1430	struct amdgpu_device *adev = ring->adev;
1431
1432	amdgpu_ring_write(ring,
1433		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1434	amdgpu_ring_write(ring, 0);
1435	amdgpu_ring_write(ring,
1436		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1437	amdgpu_ring_write(ring, VCN_DEC_CMD_PACKET_START << 1);
1438}
1439
1440/**
1441 * vcn_v1_0_dec_ring_insert_end - insert a end command
1442 *
1443 * @ring: amdgpu_ring pointer
1444 *
1445 * Write a end command to the ring.
1446 */
1447static void vcn_v1_0_dec_ring_insert_end(struct amdgpu_ring *ring)
1448{
1449	struct amdgpu_device *adev = ring->adev;
1450
1451	amdgpu_ring_write(ring,
1452		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1453	amdgpu_ring_write(ring, VCN_DEC_CMD_PACKET_END << 1);
1454}
1455
1456/**
1457 * vcn_v1_0_dec_ring_emit_fence - emit an fence & trap command
1458 *
1459 * @ring: amdgpu_ring pointer
1460 * @addr: address
1461 * @seq: sequence number
1462 * @flags: fence related flags
1463 *
1464 * Write a fence and a trap command to the ring.
1465 */
1466static void vcn_v1_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
1467				     unsigned flags)
1468{
1469	struct amdgpu_device *adev = ring->adev;
1470
1471	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1472
1473	amdgpu_ring_write(ring,
1474		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0));
1475	amdgpu_ring_write(ring, seq);
1476	amdgpu_ring_write(ring,
1477		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1478	amdgpu_ring_write(ring, addr & 0xffffffff);
1479	amdgpu_ring_write(ring,
1480		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1481	amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
1482	amdgpu_ring_write(ring,
1483		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1484	amdgpu_ring_write(ring, VCN_DEC_CMD_FENCE << 1);
1485
1486	amdgpu_ring_write(ring,
1487		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1488	amdgpu_ring_write(ring, 0);
1489	amdgpu_ring_write(ring,
1490		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1491	amdgpu_ring_write(ring, 0);
1492	amdgpu_ring_write(ring,
1493		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1494	amdgpu_ring_write(ring, VCN_DEC_CMD_TRAP << 1);
1495}
1496
1497/**
1498 * vcn_v1_0_dec_ring_emit_ib - execute indirect buffer
1499 *
1500 * @ring: amdgpu_ring pointer
1501 * @job: job to retrieve vmid from
1502 * @ib: indirect buffer to execute
1503 * @flags: unused
1504 *
1505 * Write ring commands to execute the indirect buffer
1506 */
1507static void vcn_v1_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
1508					struct amdgpu_job *job,
1509					struct amdgpu_ib *ib,
1510					uint32_t flags)
1511{
1512	struct amdgpu_device *adev = ring->adev;
1513	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1514
1515	amdgpu_ring_write(ring,
1516		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_VMID), 0));
1517	amdgpu_ring_write(ring, vmid);
1518
1519	amdgpu_ring_write(ring,
1520		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_64BIT_BAR_LOW), 0));
1521	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1522	amdgpu_ring_write(ring,
1523		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH), 0));
1524	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1525	amdgpu_ring_write(ring,
1526		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_IB_SIZE), 0));
1527	amdgpu_ring_write(ring, ib->length_dw);
1528}
1529
1530static void vcn_v1_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring,
1531					    uint32_t reg, uint32_t val,
1532					    uint32_t mask)
1533{
1534	struct amdgpu_device *adev = ring->adev;
1535
1536	amdgpu_ring_write(ring,
1537		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1538	amdgpu_ring_write(ring, reg << 2);
1539	amdgpu_ring_write(ring,
1540		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1541	amdgpu_ring_write(ring, val);
1542	amdgpu_ring_write(ring,
1543		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GP_SCRATCH8), 0));
1544	amdgpu_ring_write(ring, mask);
1545	amdgpu_ring_write(ring,
1546		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1547	amdgpu_ring_write(ring, VCN_DEC_CMD_REG_READ_COND_WAIT << 1);
1548}
1549
1550static void vcn_v1_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
1551					    unsigned vmid, uint64_t pd_addr)
1552{
1553	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub];
1554	uint32_t data0, data1, mask;
1555
1556	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1557
1558	/* wait for register write */
1559	data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
1560	data1 = lower_32_bits(pd_addr);
1561	mask = 0xffffffff;
1562	vcn_v1_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
1563}
1564
1565static void vcn_v1_0_dec_ring_emit_wreg(struct amdgpu_ring *ring,
1566					uint32_t reg, uint32_t val)
1567{
1568	struct amdgpu_device *adev = ring->adev;
1569
1570	amdgpu_ring_write(ring,
1571		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1572	amdgpu_ring_write(ring, reg << 2);
1573	amdgpu_ring_write(ring,
1574		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1575	amdgpu_ring_write(ring, val);
1576	amdgpu_ring_write(ring,
1577		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1578	amdgpu_ring_write(ring, VCN_DEC_CMD_WRITE_REG << 1);
1579}
1580
1581/**
1582 * vcn_v1_0_enc_ring_get_rptr - get enc read pointer
1583 *
1584 * @ring: amdgpu_ring pointer
1585 *
1586 * Returns the current hardware enc read pointer
1587 */
1588static uint64_t vcn_v1_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
1589{
1590	struct amdgpu_device *adev = ring->adev;
1591
1592	if (ring == &adev->vcn.inst->ring_enc[0])
1593		return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR);
1594	else
1595		return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2);
1596}
1597
1598 /**
1599 * vcn_v1_0_enc_ring_get_wptr - get enc write pointer
1600 *
1601 * @ring: amdgpu_ring pointer
1602 *
1603 * Returns the current hardware enc write pointer
1604 */
1605static uint64_t vcn_v1_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
1606{
1607	struct amdgpu_device *adev = ring->adev;
1608
1609	if (ring == &adev->vcn.inst->ring_enc[0])
1610		return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
1611	else
1612		return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
1613}
1614
1615 /**
1616 * vcn_v1_0_enc_ring_set_wptr - set enc write pointer
1617 *
1618 * @ring: amdgpu_ring pointer
1619 *
1620 * Commits the enc write pointer to the hardware
1621 */
1622static void vcn_v1_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
1623{
1624	struct amdgpu_device *adev = ring->adev;
1625
1626	if (ring == &adev->vcn.inst->ring_enc[0])
1627		WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR,
1628			lower_32_bits(ring->wptr));
1629	else
1630		WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2,
1631			lower_32_bits(ring->wptr));
1632}
1633
1634/**
1635 * vcn_v1_0_enc_ring_emit_fence - emit an enc fence & trap command
1636 *
1637 * @ring: amdgpu_ring pointer
1638 * @addr: address
1639 * @seq: sequence number
1640 * @flags: fence related flags
1641 *
1642 * Write enc a fence and a trap command to the ring.
1643 */
1644static void vcn_v1_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
1645			u64 seq, unsigned flags)
1646{
1647	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1648
1649	amdgpu_ring_write(ring, VCN_ENC_CMD_FENCE);
1650	amdgpu_ring_write(ring, addr);
1651	amdgpu_ring_write(ring, upper_32_bits(addr));
1652	amdgpu_ring_write(ring, seq);
1653	amdgpu_ring_write(ring, VCN_ENC_CMD_TRAP);
1654}
1655
1656static void vcn_v1_0_enc_ring_insert_end(struct amdgpu_ring *ring)
1657{
1658	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
1659}
1660
1661/**
1662 * vcn_v1_0_enc_ring_emit_ib - enc execute indirect buffer
1663 *
1664 * @ring: amdgpu_ring pointer
1665 * @job: job to retrive vmid from
1666 * @ib: indirect buffer to execute
1667 * @flags: unused
1668 *
1669 * Write enc ring commands to execute the indirect buffer
1670 */
1671static void vcn_v1_0_enc_ring_emit_ib(struct amdgpu_ring *ring,
1672					struct amdgpu_job *job,
1673					struct amdgpu_ib *ib,
1674					uint32_t flags)
1675{
1676	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1677
1678	amdgpu_ring_write(ring, VCN_ENC_CMD_IB);
1679	amdgpu_ring_write(ring, vmid);
1680	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1681	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1682	amdgpu_ring_write(ring, ib->length_dw);
1683}
1684
1685static void vcn_v1_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring,
1686					    uint32_t reg, uint32_t val,
1687					    uint32_t mask)
1688{
1689	amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT);
1690	amdgpu_ring_write(ring, reg << 2);
1691	amdgpu_ring_write(ring, mask);
1692	amdgpu_ring_write(ring, val);
1693}
1694
1695static void vcn_v1_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
1696					    unsigned int vmid, uint64_t pd_addr)
1697{
1698	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub];
1699
1700	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1701
1702	/* wait for reg writes */
1703	vcn_v1_0_enc_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 +
1704					vmid * hub->ctx_addr_distance,
1705					lower_32_bits(pd_addr), 0xffffffff);
1706}
1707
1708static void vcn_v1_0_enc_ring_emit_wreg(struct amdgpu_ring *ring,
1709					uint32_t reg, uint32_t val)
1710{
1711	amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
1712	amdgpu_ring_write(ring,	reg << 2);
1713	amdgpu_ring_write(ring, val);
1714}
1715
1716static int vcn_v1_0_set_interrupt_state(struct amdgpu_device *adev,
1717					struct amdgpu_irq_src *source,
1718					unsigned type,
1719					enum amdgpu_interrupt_state state)
1720{
1721	return 0;
1722}
1723
1724static int vcn_v1_0_process_interrupt(struct amdgpu_device *adev,
1725				      struct amdgpu_irq_src *source,
1726				      struct amdgpu_iv_entry *entry)
1727{
1728	DRM_DEBUG("IH: VCN TRAP\n");
1729
1730	switch (entry->src_id) {
1731	case 124:
1732		amdgpu_fence_process(&adev->vcn.inst->ring_dec);
1733		break;
1734	case 119:
1735		amdgpu_fence_process(&adev->vcn.inst->ring_enc[0]);
1736		break;
1737	case 120:
1738		amdgpu_fence_process(&adev->vcn.inst->ring_enc[1]);
1739		break;
1740	default:
1741		DRM_ERROR("Unhandled interrupt: %d %d\n",
1742			  entry->src_id, entry->src_data[0]);
1743		break;
1744	}
1745
1746	return 0;
1747}
1748
1749static void vcn_v1_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
1750{
1751	struct amdgpu_device *adev = ring->adev;
1752	int i;
1753
1754	WARN_ON(ring->wptr % 2 || count % 2);
1755
1756	for (i = 0; i < count / 2; i++) {
1757		amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0));
1758		amdgpu_ring_write(ring, 0);
1759	}
1760}
1761
1762static int vcn_v1_0_set_powergating_state(void *handle,
1763					  enum amd_powergating_state state)
1764{
1765	/* This doesn't actually powergate the VCN block.
1766	 * That's done in the dpm code via the SMC.  This
1767	 * just re-inits the block as necessary.  The actual
1768	 * gating still happens in the dpm code.  We should
1769	 * revisit this when there is a cleaner line between
1770	 * the smc and the hw blocks
1771	 */
1772	int ret;
1773	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1774
1775	if (state == adev->vcn.cur_state)
1776		return 0;
1777
1778	if (state == AMD_PG_STATE_GATE)
1779		ret = vcn_v1_0_stop(adev);
1780	else
1781		ret = vcn_v1_0_start(adev);
1782
1783	if (!ret)
1784		adev->vcn.cur_state = state;
1785	return ret;
1786}
1787
1788static void vcn_v1_0_idle_work_handler(struct work_struct *work)
1789{
1790	struct amdgpu_device *adev =
1791		container_of(work, struct amdgpu_device, vcn.idle_work.work);
1792	unsigned int fences = 0, i;
1793
1794	for (i = 0; i < adev->vcn.num_enc_rings; ++i)
1795		fences += amdgpu_fence_count_emitted(&adev->vcn.inst->ring_enc[i]);
1796
1797	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1798		struct dpg_pause_state new_state;
1799
1800		if (fences)
1801			new_state.fw_based = VCN_DPG_STATE__PAUSE;
1802		else
1803			new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
1804
1805		if (amdgpu_fence_count_emitted(adev->jpeg.inst->ring_dec))
1806			new_state.jpeg = VCN_DPG_STATE__PAUSE;
1807		else
1808			new_state.jpeg = VCN_DPG_STATE__UNPAUSE;
1809
1810		adev->vcn.pause_dpg_mode(adev, 0, &new_state);
1811	}
1812
1813	fences += amdgpu_fence_count_emitted(adev->jpeg.inst->ring_dec);
1814	fences += amdgpu_fence_count_emitted(&adev->vcn.inst->ring_dec);
1815
1816	if (fences == 0) {
1817		amdgpu_gfx_off_ctrl(adev, true);
1818		if (adev->pm.dpm_enabled)
1819			amdgpu_dpm_enable_uvd(adev, false);
1820		else
1821			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
1822			       AMD_PG_STATE_GATE);
1823	} else {
1824		schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
1825	}
1826}
1827
1828static void vcn_v1_0_ring_begin_use(struct amdgpu_ring *ring)
1829{
1830	struct	amdgpu_device *adev = ring->adev;
1831	bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work);
1832
1833	mutex_lock(&adev->vcn.vcn1_jpeg1_workaround);
1834
1835	if (amdgpu_fence_wait_empty(ring->adev->jpeg.inst->ring_dec))
1836		DRM_ERROR("VCN dec: jpeg dec ring may not be empty\n");
1837
1838	vcn_v1_0_set_pg_for_begin_use(ring, set_clocks);
1839
1840}
1841
1842void vcn_v1_0_set_pg_for_begin_use(struct amdgpu_ring *ring, bool set_clocks)
1843{
1844	struct amdgpu_device *adev = ring->adev;
1845
1846	if (set_clocks) {
1847		amdgpu_gfx_off_ctrl(adev, false);
1848		if (adev->pm.dpm_enabled)
1849			amdgpu_dpm_enable_uvd(adev, true);
1850		else
1851			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
1852			       AMD_PG_STATE_UNGATE);
1853	}
1854
1855	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1856		struct dpg_pause_state new_state;
1857		unsigned int fences = 0, i;
1858
1859		for (i = 0; i < adev->vcn.num_enc_rings; ++i)
1860			fences += amdgpu_fence_count_emitted(&adev->vcn.inst->ring_enc[i]);
1861
1862		if (fences)
1863			new_state.fw_based = VCN_DPG_STATE__PAUSE;
1864		else
1865			new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
1866
1867		if (amdgpu_fence_count_emitted(adev->jpeg.inst->ring_dec))
1868			new_state.jpeg = VCN_DPG_STATE__PAUSE;
1869		else
1870			new_state.jpeg = VCN_DPG_STATE__UNPAUSE;
1871
1872		if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
1873			new_state.fw_based = VCN_DPG_STATE__PAUSE;
1874		else if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_JPEG)
1875			new_state.jpeg = VCN_DPG_STATE__PAUSE;
1876
1877		adev->vcn.pause_dpg_mode(adev, 0, &new_state);
1878	}
1879}
1880
1881void vcn_v1_0_ring_end_use(struct amdgpu_ring *ring)
1882{
1883	schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
1884	mutex_unlock(&ring->adev->vcn.vcn1_jpeg1_workaround);
1885}
1886
1887static const struct amd_ip_funcs vcn_v1_0_ip_funcs = {
1888	.name = "vcn_v1_0",
1889	.early_init = vcn_v1_0_early_init,
1890	.late_init = NULL,
1891	.sw_init = vcn_v1_0_sw_init,
1892	.sw_fini = vcn_v1_0_sw_fini,
1893	.hw_init = vcn_v1_0_hw_init,
1894	.hw_fini = vcn_v1_0_hw_fini,
1895	.suspend = vcn_v1_0_suspend,
1896	.resume = vcn_v1_0_resume,
1897	.is_idle = vcn_v1_0_is_idle,
1898	.wait_for_idle = vcn_v1_0_wait_for_idle,
1899	.check_soft_reset = NULL /* vcn_v1_0_check_soft_reset */,
1900	.pre_soft_reset = NULL /* vcn_v1_0_pre_soft_reset */,
1901	.soft_reset = NULL /* vcn_v1_0_soft_reset */,
1902	.post_soft_reset = NULL /* vcn_v1_0_post_soft_reset */,
1903	.set_clockgating_state = vcn_v1_0_set_clockgating_state,
1904	.set_powergating_state = vcn_v1_0_set_powergating_state,
1905};
1906
1907/*
1908 * It is a hardware issue that VCN can't handle a GTT TMZ buffer on
1909 * CHIP_RAVEN series ASIC. Move such a GTT TMZ buffer to VRAM domain
1910 * before command submission as a workaround.
1911 */
1912static int vcn_v1_0_validate_bo(struct amdgpu_cs_parser *parser,
1913				struct amdgpu_job *job,
1914				uint64_t addr)
1915{
1916	struct ttm_operation_ctx ctx = { false, false };
1917	struct amdgpu_fpriv *fpriv = parser->filp->driver_priv;
1918	struct amdgpu_vm *vm = &fpriv->vm;
1919	struct amdgpu_bo_va_mapping *mapping;
1920	struct amdgpu_bo *bo;
1921	int r;
1922
1923	addr &= AMDGPU_GMC_HOLE_MASK;
1924	if (addr & 0x7) {
1925		DRM_ERROR("VCN messages must be 8 byte aligned!\n");
1926		return -EINVAL;
1927	}
1928
1929	mapping = amdgpu_vm_bo_lookup_mapping(vm, addr/AMDGPU_GPU_PAGE_SIZE);
1930	if (!mapping || !mapping->bo_va || !mapping->bo_va->base.bo)
1931		return -EINVAL;
1932
1933	bo = mapping->bo_va->base.bo;
1934	if (!(bo->flags & AMDGPU_GEM_CREATE_ENCRYPTED))
1935		return 0;
1936
1937	amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
1938	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
1939	if (r) {
1940		DRM_ERROR("Failed to validate the VCN message BO (%d)!\n", r);
1941		return r;
1942	}
1943
1944	return r;
1945}
1946
1947static int vcn_v1_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
1948					   struct amdgpu_job *job,
1949					   struct amdgpu_ib *ib)
1950{
1951	uint32_t msg_lo = 0, msg_hi = 0;
1952	int i, r;
1953
1954	if (!(ib->flags & AMDGPU_IB_FLAGS_SECURE))
1955		return 0;
1956
1957	for (i = 0; i < ib->length_dw; i += 2) {
1958		uint32_t reg = amdgpu_ib_get_value(ib, i);
1959		uint32_t val = amdgpu_ib_get_value(ib, i + 1);
1960
1961		if (reg == PACKET0(p->adev->vcn.internal.data0, 0)) {
1962			msg_lo = val;
1963		} else if (reg == PACKET0(p->adev->vcn.internal.data1, 0)) {
1964			msg_hi = val;
1965		} else if (reg == PACKET0(p->adev->vcn.internal.cmd, 0)) {
1966			r = vcn_v1_0_validate_bo(p, job,
1967						 ((u64)msg_hi) << 32 | msg_lo);
1968			if (r)
1969				return r;
1970		}
1971	}
1972
1973	return 0;
1974}
1975
1976static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = {
1977	.type = AMDGPU_RING_TYPE_VCN_DEC,
1978	.align_mask = 0xf,
1979	.support_64bit_ptrs = false,
1980	.no_user_fence = true,
1981	.secure_submission_supported = true,
 
1982	.get_rptr = vcn_v1_0_dec_ring_get_rptr,
1983	.get_wptr = vcn_v1_0_dec_ring_get_wptr,
1984	.set_wptr = vcn_v1_0_dec_ring_set_wptr,
1985	.patch_cs_in_place = vcn_v1_0_ring_patch_cs_in_place,
1986	.emit_frame_size =
1987		6 + 6 + /* hdp invalidate / flush */
1988		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
1989		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
1990		8 + /* vcn_v1_0_dec_ring_emit_vm_flush */
1991		14 + 14 + /* vcn_v1_0_dec_ring_emit_fence x2 vm fence */
1992		6,
1993	.emit_ib_size = 8, /* vcn_v1_0_dec_ring_emit_ib */
1994	.emit_ib = vcn_v1_0_dec_ring_emit_ib,
1995	.emit_fence = vcn_v1_0_dec_ring_emit_fence,
1996	.emit_vm_flush = vcn_v1_0_dec_ring_emit_vm_flush,
1997	.test_ring = amdgpu_vcn_dec_ring_test_ring,
1998	.test_ib = amdgpu_vcn_dec_ring_test_ib,
1999	.insert_nop = vcn_v1_0_dec_ring_insert_nop,
2000	.insert_start = vcn_v1_0_dec_ring_insert_start,
2001	.insert_end = vcn_v1_0_dec_ring_insert_end,
2002	.pad_ib = amdgpu_ring_generic_pad_ib,
2003	.begin_use = vcn_v1_0_ring_begin_use,
2004	.end_use = vcn_v1_0_ring_end_use,
2005	.emit_wreg = vcn_v1_0_dec_ring_emit_wreg,
2006	.emit_reg_wait = vcn_v1_0_dec_ring_emit_reg_wait,
2007	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2008};
2009
2010static const struct amdgpu_ring_funcs vcn_v1_0_enc_ring_vm_funcs = {
2011	.type = AMDGPU_RING_TYPE_VCN_ENC,
2012	.align_mask = 0x3f,
2013	.nop = VCN_ENC_CMD_NO_OP,
2014	.support_64bit_ptrs = false,
2015	.no_user_fence = true,
 
2016	.get_rptr = vcn_v1_0_enc_ring_get_rptr,
2017	.get_wptr = vcn_v1_0_enc_ring_get_wptr,
2018	.set_wptr = vcn_v1_0_enc_ring_set_wptr,
2019	.emit_frame_size =
2020		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2021		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
2022		4 + /* vcn_v1_0_enc_ring_emit_vm_flush */
2023		5 + 5 + /* vcn_v1_0_enc_ring_emit_fence x2 vm fence */
2024		1, /* vcn_v1_0_enc_ring_insert_end */
2025	.emit_ib_size = 5, /* vcn_v1_0_enc_ring_emit_ib */
2026	.emit_ib = vcn_v1_0_enc_ring_emit_ib,
2027	.emit_fence = vcn_v1_0_enc_ring_emit_fence,
2028	.emit_vm_flush = vcn_v1_0_enc_ring_emit_vm_flush,
2029	.test_ring = amdgpu_vcn_enc_ring_test_ring,
2030	.test_ib = amdgpu_vcn_enc_ring_test_ib,
2031	.insert_nop = amdgpu_ring_insert_nop,
2032	.insert_end = vcn_v1_0_enc_ring_insert_end,
2033	.pad_ib = amdgpu_ring_generic_pad_ib,
2034	.begin_use = vcn_v1_0_ring_begin_use,
2035	.end_use = vcn_v1_0_ring_end_use,
2036	.emit_wreg = vcn_v1_0_enc_ring_emit_wreg,
2037	.emit_reg_wait = vcn_v1_0_enc_ring_emit_reg_wait,
2038	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2039};
2040
2041static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev)
2042{
2043	adev->vcn.inst->ring_dec.funcs = &vcn_v1_0_dec_ring_vm_funcs;
2044	DRM_INFO("VCN decode is enabled in VM mode\n");
2045}
2046
2047static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev)
2048{
2049	int i;
2050
2051	for (i = 0; i < adev->vcn.num_enc_rings; ++i)
2052		adev->vcn.inst->ring_enc[i].funcs = &vcn_v1_0_enc_ring_vm_funcs;
2053
2054	DRM_INFO("VCN encode is enabled in VM mode\n");
2055}
2056
2057static const struct amdgpu_irq_src_funcs vcn_v1_0_irq_funcs = {
2058	.set = vcn_v1_0_set_interrupt_state,
2059	.process = vcn_v1_0_process_interrupt,
2060};
2061
2062static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev)
2063{
2064	adev->vcn.inst->irq.num_types = adev->vcn.num_enc_rings + 2;
2065	adev->vcn.inst->irq.funcs = &vcn_v1_0_irq_funcs;
2066}
2067
2068const struct amdgpu_ip_block_version vcn_v1_0_ip_block = {
 
2069		.type = AMD_IP_BLOCK_TYPE_VCN,
2070		.major = 1,
2071		.minor = 0,
2072		.rev = 0,
2073		.funcs = &vcn_v1_0_ip_funcs,
2074};