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1/*2 * Copyright 2016 Advanced Micro Devices, Inc.3 * All Rights Reserved.4 *5 * Permission is hereby granted, free of charge, to any person obtaining a6 * copy of this software and associated documentation files (the7 * "Software"), to deal in the Software without restriction, including8 * without limitation the rights to use, copy, modify, merge, publish,9 * distribute, sub license, and/or sell copies of the Software, and to10 * permit persons to whom the Software is furnished to do so, subject to11 * the following conditions:12 *13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE19 * USE OR OTHER DEALINGS IN THE SOFTWARE.20 *21 * The above copyright notice and this permission notice (including the22 * next paragraph) shall be included in all copies or substantial portions23 * of the Software.24 *25 */26 27#include <linux/firmware.h>28#include <drm/drm_drv.h>29 30#include "amdgpu.h"31#include "amdgpu_vce.h"32#include "soc15.h"33#include "soc15d.h"34#include "soc15_common.h"35#include "mmsch_v1_0.h"36 37#include "vce/vce_4_0_offset.h"38#include "vce/vce_4_0_default.h"39#include "vce/vce_4_0_sh_mask.h"40#include "mmhub/mmhub_1_0_offset.h"41#include "mmhub/mmhub_1_0_sh_mask.h"42 43#include "ivsrcid/vce/irqsrcs_vce_4_0.h"44 45#define VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK	0x0246 47#define VCE_V4_0_FW_SIZE	(384 * 1024)48#define VCE_V4_0_STACK_SIZE	(64 * 1024)49#define VCE_V4_0_DATA_SIZE	((16 * 1024 * AMDGPU_MAX_VCE_HANDLES) + (52 * 1024))50 51static void vce_v4_0_mc_resume(struct amdgpu_device *adev);52static void vce_v4_0_set_ring_funcs(struct amdgpu_device *adev);53static void vce_v4_0_set_irq_funcs(struct amdgpu_device *adev);54 55/**56 * vce_v4_0_ring_get_rptr - get read pointer57 *58 * @ring: amdgpu_ring pointer59 *60 * Returns the current hardware read pointer61 */62static uint64_t vce_v4_0_ring_get_rptr(struct amdgpu_ring *ring)63{64	struct amdgpu_device *adev = ring->adev;65 66	if (ring->me == 0)67		return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR));68	else if (ring->me == 1)69		return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR2));70	else71		return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR3));72}73 74/**75 * vce_v4_0_ring_get_wptr - get write pointer76 *77 * @ring: amdgpu_ring pointer78 *79 * Returns the current hardware write pointer80 */81static uint64_t vce_v4_0_ring_get_wptr(struct amdgpu_ring *ring)82{83	struct amdgpu_device *adev = ring->adev;84 85	if (ring->use_doorbell)86		return *ring->wptr_cpu_addr;87 88	if (ring->me == 0)89		return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR));90	else if (ring->me == 1)91		return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR2));92	else93		return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR3));94}95 96/**97 * vce_v4_0_ring_set_wptr - set write pointer98 *99 * @ring: amdgpu_ring pointer100 *101 * Commits the write pointer to the hardware102 */103static void vce_v4_0_ring_set_wptr(struct amdgpu_ring *ring)104{105	struct amdgpu_device *adev = ring->adev;106 107	if (ring->use_doorbell) {108		/* XXX check if swapping is necessary on BE */109		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);110		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));111		return;112	}113 114	if (ring->me == 0)115		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR),116			lower_32_bits(ring->wptr));117	else if (ring->me == 1)118		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR2),119			lower_32_bits(ring->wptr));120	else121		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR3),122			lower_32_bits(ring->wptr));123}124 125static int vce_v4_0_firmware_loaded(struct amdgpu_device *adev)126{127	int i, j;128 129	for (i = 0; i < 10; ++i) {130		for (j = 0; j < 100; ++j) {131			uint32_t status =132				RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS));133 134			if (status & VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK)135				return 0;136			mdelay(10);137		}138 139		DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");140		WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SOFT_RESET),141				VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,142				~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);143		mdelay(10);144		WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SOFT_RESET), 0,145				~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);146		mdelay(10);147 148	}149 150	return -ETIMEDOUT;151}152 153static int vce_v4_0_mmsch_start(struct amdgpu_device *adev,154				struct amdgpu_mm_table *table)155{156	uint32_t data = 0, loop;157	uint64_t addr = table->gpu_addr;158	struct mmsch_v1_0_init_header *header = (struct mmsch_v1_0_init_header *)table->cpu_addr;159	uint32_t size;160 161	size = header->header_size + header->vce_table_size + header->uvd_table_size;162 163	/* 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr of memory descriptor location */164	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_CTX_ADDR_LO), lower_32_bits(addr));165	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_CTX_ADDR_HI), upper_32_bits(addr));166 167	/* 2, update vmid of descriptor */168	data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_VMID));169	data &= ~VCE_MMSCH_VF_VMID__VF_CTX_VMID_MASK;170	data |= (0 << VCE_MMSCH_VF_VMID__VF_CTX_VMID__SHIFT); /* use domain0 for MM scheduler */171	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_VMID), data);172 173	/* 3, notify mmsch about the size of this descriptor */174	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_CTX_SIZE), size);175 176	/* 4, set resp to zero */177	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP), 0);178 179	WDOORBELL32(adev->vce.ring[0].doorbell_index, 0);180	*adev->vce.ring[0].wptr_cpu_addr = 0;181	adev->vce.ring[0].wptr = 0;182	adev->vce.ring[0].wptr_old = 0;183 184	/* 5, kick off the initialization and wait until VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero */185	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_HOST), 0x10000001);186 187	data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP));188	loop = 1000;189	while ((data & 0x10000002) != 0x10000002) {190		udelay(10);191		data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP));192		loop--;193		if (!loop)194			break;195	}196 197	if (!loop) {198		dev_err(adev->dev, "failed to init MMSCH, mmVCE_MMSCH_VF_MAILBOX_RESP = %x\n", data);199		return -EBUSY;200	}201 202	return 0;203}204 205static int vce_v4_0_sriov_start(struct amdgpu_device *adev)206{207	struct amdgpu_ring *ring;208	uint32_t offset, size;209	uint32_t table_size = 0;210	struct mmsch_v1_0_cmd_direct_write direct_wt = { { 0 } };211	struct mmsch_v1_0_cmd_direct_read_modify_write direct_rd_mod_wt = { { 0 } };212	struct mmsch_v1_0_cmd_direct_polling direct_poll = { { 0 } };213	struct mmsch_v1_0_cmd_end end = { { 0 } };214	uint32_t *init_table = adev->virt.mm_table.cpu_addr;215	struct mmsch_v1_0_init_header *header = (struct mmsch_v1_0_init_header *)init_table;216 217	direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE;218	direct_rd_mod_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;219	direct_poll.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_POLLING;220	end.cmd_header.command_type = MMSCH_COMMAND__END;221 222	if (header->vce_table_offset == 0 && header->vce_table_size == 0) {223		header->version = MMSCH_VERSION;224		header->header_size = sizeof(struct mmsch_v1_0_init_header) >> 2;225 226		if (header->uvd_table_offset == 0 && header->uvd_table_size == 0)227			header->vce_table_offset = header->header_size;228		else229			header->vce_table_offset = header->uvd_table_size + header->uvd_table_offset;230 231		init_table += header->vce_table_offset;232 233		ring = &adev->vce.ring[0];234		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_LO),235					    lower_32_bits(ring->gpu_addr));236		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_HI),237					    upper_32_bits(ring->gpu_addr));238		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_SIZE),239					    ring->ring_size / 4);240 241		/* BEGING OF MC_RESUME */242		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CTRL), 0x398000);243		MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CACHE_CTRL), ~0x1, 0);244		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_SWAP_CNTL), 0);245		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_SWAP_CNTL1), 0);246		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VM_CTRL), 0);247 248		offset = AMDGPU_VCE_FIRMWARE_OFFSET;249		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {250			uint32_t low = adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].tmr_mc_addr_lo;251			uint32_t hi = adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].tmr_mc_addr_hi;252			uint64_t tmr_mc_addr = (uint64_t)(hi) << 32 | low;253 254			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0,255						mmVCE_LMI_VCPU_CACHE_40BIT_BAR0), tmr_mc_addr >> 8);256			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0,257						mmVCE_LMI_VCPU_CACHE_64BIT_BAR0),258						(tmr_mc_addr >> 40) & 0xff);259			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET0), 0);260		} else {261			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0,262						mmVCE_LMI_VCPU_CACHE_40BIT_BAR0),263						adev->vce.gpu_addr >> 8);264			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0,265						mmVCE_LMI_VCPU_CACHE_64BIT_BAR0),266						(adev->vce.gpu_addr >> 40) & 0xff);267			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET0),268						offset & ~0x0f000000);269 270		}271		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0,272						mmVCE_LMI_VCPU_CACHE_40BIT_BAR1),273						adev->vce.gpu_addr >> 8);274		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0,275						mmVCE_LMI_VCPU_CACHE_64BIT_BAR1),276						(adev->vce.gpu_addr >> 40) & 0xff);277		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0,278						mmVCE_LMI_VCPU_CACHE_40BIT_BAR2),279						adev->vce.gpu_addr >> 8);280		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0,281						mmVCE_LMI_VCPU_CACHE_64BIT_BAR2),282						(adev->vce.gpu_addr >> 40) & 0xff);283 284		size = VCE_V4_0_FW_SIZE;285		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE0), size);286 287		offset = (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) ? offset + size : 0;288		size = VCE_V4_0_STACK_SIZE;289		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET1),290					(offset & ~0x0f000000) | (1 << 24));291		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE1), size);292 293		offset += size;294		size = VCE_V4_0_DATA_SIZE;295		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET2),296					(offset & ~0x0f000000) | (2 << 24));297		MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE2), size);298 299		MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CTRL2), ~0x100, 0);300		MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_SYS_INT_EN),301						   VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK,302						   VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);303 304		/* end of MC_RESUME */305		MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS),306						   VCE_STATUS__JOB_BUSY_MASK, ~VCE_STATUS__JOB_BUSY_MASK);307		MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CNTL),308						   ~0x200001, VCE_VCPU_CNTL__CLK_EN_MASK);309		MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_SOFT_RESET),310						   ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK, 0);311 312		MMSCH_V1_0_INSERT_DIRECT_POLL(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS),313					      VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK,314					      VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK);315 316		/* clear BUSY flag */317		MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS),318						   ~VCE_STATUS__JOB_BUSY_MASK, 0);319 320		/* add end packet */321		memcpy((void *)init_table, &end, sizeof(struct mmsch_v1_0_cmd_end));322		table_size += sizeof(struct mmsch_v1_0_cmd_end) / 4;323		header->vce_table_size = table_size;324	}325 326	return vce_v4_0_mmsch_start(adev, &adev->virt.mm_table);327}328 329/**330 * vce_v4_0_start - start VCE block331 *332 * @adev: amdgpu_device pointer333 *334 * Setup and start the VCE block335 */336static int vce_v4_0_start(struct amdgpu_device *adev)337{338	struct amdgpu_ring *ring;339	int r;340 341	ring = &adev->vce.ring[0];342 343	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR), lower_32_bits(ring->wptr));344	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR), lower_32_bits(ring->wptr));345	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_LO), ring->gpu_addr);346	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_HI), upper_32_bits(ring->gpu_addr));347	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_SIZE), ring->ring_size / 4);348 349	ring = &adev->vce.ring[1];350 351	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR2), lower_32_bits(ring->wptr));352	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR2), lower_32_bits(ring->wptr));353	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_LO2), ring->gpu_addr);354	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_HI2), upper_32_bits(ring->gpu_addr));355	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_SIZE2), ring->ring_size / 4);356 357	ring = &adev->vce.ring[2];358 359	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR3), lower_32_bits(ring->wptr));360	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR3), lower_32_bits(ring->wptr));361	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_LO3), ring->gpu_addr);362	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_HI3), upper_32_bits(ring->gpu_addr));363	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_SIZE3), ring->ring_size / 4);364 365	vce_v4_0_mc_resume(adev);366	WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS), VCE_STATUS__JOB_BUSY_MASK,367			~VCE_STATUS__JOB_BUSY_MASK);368 369	WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CNTL), 1, ~0x200001);370 371	WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SOFT_RESET), 0,372			~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);373	mdelay(100);374 375	r = vce_v4_0_firmware_loaded(adev);376 377	/* clear BUSY flag */378	WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS), 0, ~VCE_STATUS__JOB_BUSY_MASK);379 380	if (r) {381		DRM_ERROR("VCE not responding, giving up!!!\n");382		return r;383	}384 385	return 0;386}387 388static int vce_v4_0_stop(struct amdgpu_device *adev)389{390 391	/* Disable VCPU */392	WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CNTL), 0, ~0x200001);393 394	/* hold on ECPU */395	WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SOFT_RESET),396			VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,397			~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);398 399	/* clear VCE_STATUS */400	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS), 0);401 402	/* Set Clock-Gating off */403	/* if (adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG)404		vce_v4_0_set_vce_sw_clock_gating(adev, false);405	*/406 407	return 0;408}409 410static int vce_v4_0_early_init(void *handle)411{412	struct amdgpu_device *adev = (struct amdgpu_device *)handle;413 414	if (amdgpu_sriov_vf(adev)) /* currently only VCN0 support SRIOV */415		adev->vce.num_rings = 1;416	else417		adev->vce.num_rings = 3;418 419	vce_v4_0_set_ring_funcs(adev);420	vce_v4_0_set_irq_funcs(adev);421 422	return 0;423}424 425static int vce_v4_0_sw_init(void *handle)426{427	struct amdgpu_device *adev = (struct amdgpu_device *)handle;428	struct amdgpu_ring *ring;429 430	unsigned size;431	int r, i;432 433	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCE0, 167, &adev->vce.irq);434	if (r)435		return r;436 437	size  = VCE_V4_0_STACK_SIZE + VCE_V4_0_DATA_SIZE;438	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)439		size += VCE_V4_0_FW_SIZE;440 441	r = amdgpu_vce_sw_init(adev, size);442	if (r)443		return r;444 445	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {446		const struct common_firmware_header *hdr;447		unsigned size = amdgpu_bo_size(adev->vce.vcpu_bo);448 449		adev->vce.saved_bo = kvmalloc(size, GFP_KERNEL);450		if (!adev->vce.saved_bo)451			return -ENOMEM;452 453		hdr = (const struct common_firmware_header *)adev->vce.fw->data;454		adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].ucode_id = AMDGPU_UCODE_ID_VCE;455		adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].fw = adev->vce.fw;456		adev->firmware.fw_size +=457			ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);458		DRM_INFO("PSP loading VCE firmware\n");459	} else {460		r = amdgpu_vce_resume(adev);461		if (r)462			return r;463	}464 465	for (i = 0; i < adev->vce.num_rings; i++) {466		enum amdgpu_ring_priority_level hw_prio = amdgpu_vce_get_ring_prio(i);467 468		ring = &adev->vce.ring[i];469		ring->vm_hub = AMDGPU_MMHUB0(0);470		sprintf(ring->name, "vce%d", i);471		if (amdgpu_sriov_vf(adev)) {472			/* DOORBELL only works under SRIOV */473			ring->use_doorbell = true;474 475			/* currently only use the first encoding ring for sriov,476			 * so set unused location for other unused rings.477			 */478			if (i == 0)479				ring->doorbell_index = adev->doorbell_index.uvd_vce.vce_ring0_1 * 2;480			else481				ring->doorbell_index = adev->doorbell_index.uvd_vce.vce_ring2_3 * 2 + 1;482		}483		r = amdgpu_ring_init(adev, ring, 512, &adev->vce.irq, 0,484				     hw_prio, NULL);485		if (r)486			return r;487	}488 489	r = amdgpu_virt_alloc_mm_table(adev);490	if (r)491		return r;492 493	return r;494}495 496static int vce_v4_0_sw_fini(void *handle)497{498	int r;499	struct amdgpu_device *adev = (struct amdgpu_device *)handle;500 501	/* free MM table */502	amdgpu_virt_free_mm_table(adev);503 504	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {505		kvfree(adev->vce.saved_bo);506		adev->vce.saved_bo = NULL;507	}508 509	r = amdgpu_vce_suspend(adev);510	if (r)511		return r;512 513	return amdgpu_vce_sw_fini(adev);514}515 516static int vce_v4_0_hw_init(void *handle)517{518	int r, i;519	struct amdgpu_device *adev = (struct amdgpu_device *)handle;520 521	if (amdgpu_sriov_vf(adev))522		r = vce_v4_0_sriov_start(adev);523	else524		r = vce_v4_0_start(adev);525	if (r)526		return r;527 528	for (i = 0; i < adev->vce.num_rings; i++) {529		r = amdgpu_ring_test_helper(&adev->vce.ring[i]);530		if (r)531			return r;532	}533 534	DRM_INFO("VCE initialized successfully.\n");535 536	return 0;537}538 539static int vce_v4_0_hw_fini(void *handle)540{541	struct amdgpu_device *adev = (struct amdgpu_device *)handle;542 543	cancel_delayed_work_sync(&adev->vce.idle_work);544 545	if (!amdgpu_sriov_vf(adev)) {546		/* vce_v4_0_wait_for_idle(handle); */547		vce_v4_0_stop(adev);548	} else {549		/* full access mode, so don't touch any VCE register */550		DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");551	}552 553	return 0;554}555 556static int vce_v4_0_suspend(void *handle)557{558	struct amdgpu_device *adev = (struct amdgpu_device *)handle;559	int r, idx;560 561	if (adev->vce.vcpu_bo == NULL)562		return 0;563 564	if (drm_dev_enter(adev_to_drm(adev), &idx)) {565		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {566			unsigned size = amdgpu_bo_size(adev->vce.vcpu_bo);567			void *ptr = adev->vce.cpu_addr;568 569			memcpy_fromio(adev->vce.saved_bo, ptr, size);570		}571		drm_dev_exit(idx);572	}573 574	/*575	 * Proper cleanups before halting the HW engine:576	 *   - cancel the delayed idle work577	 *   - enable powergating578	 *   - enable clockgating579	 *   - disable dpm580	 *581	 * TODO: to align with the VCN implementation, move the582	 * jobs for clockgating/powergating/dpm setting to583	 * ->set_powergating_state().584	 */585	cancel_delayed_work_sync(&adev->vce.idle_work);586 587	if (adev->pm.dpm_enabled) {588		amdgpu_dpm_enable_vce(adev, false);589	} else {590		amdgpu_asic_set_vce_clocks(adev, 0, 0);591		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,592						       AMD_PG_STATE_GATE);593		amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,594						       AMD_CG_STATE_GATE);595	}596 597	r = vce_v4_0_hw_fini(adev);598	if (r)599		return r;600 601	return amdgpu_vce_suspend(adev);602}603 604static int vce_v4_0_resume(void *handle)605{606	struct amdgpu_device *adev = (struct amdgpu_device *)handle;607	int r, idx;608 609	if (adev->vce.vcpu_bo == NULL)610		return -EINVAL;611 612	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {613 614		if (drm_dev_enter(adev_to_drm(adev), &idx)) {615			unsigned size = amdgpu_bo_size(adev->vce.vcpu_bo);616			void *ptr = adev->vce.cpu_addr;617 618			memcpy_toio(ptr, adev->vce.saved_bo, size);619			drm_dev_exit(idx);620		}621	} else {622		r = amdgpu_vce_resume(adev);623		if (r)624			return r;625	}626 627	return vce_v4_0_hw_init(adev);628}629 630static void vce_v4_0_mc_resume(struct amdgpu_device *adev)631{632	uint32_t offset, size;633	uint64_t tmr_mc_addr;634 635	WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_A), 0, ~(1 << 16));636	WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING), 0x1FF000, ~0xFF9FF000);637	WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING), 0x3F, ~0x3F);638	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B), 0x1FF);639 640	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CTRL), 0x00398000);641	WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CACHE_CTRL), 0x0, ~0x1);642	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_SWAP_CNTL), 0);643	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_SWAP_CNTL1), 0);644	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VM_CTRL), 0);645 646	offset = AMDGPU_VCE_FIRMWARE_OFFSET;647 648	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {649		tmr_mc_addr = (uint64_t)(adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].tmr_mc_addr_hi) << 32 |650										adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].tmr_mc_addr_lo;651		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_40BIT_BAR0),652			(tmr_mc_addr >> 8));653		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_64BIT_BAR0),654			(tmr_mc_addr >> 40) & 0xff);655		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET0), 0);656	} else {657		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_40BIT_BAR0),658			(adev->vce.gpu_addr >> 8));659		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_64BIT_BAR0),660			(adev->vce.gpu_addr >> 40) & 0xff);661		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET0), offset & ~0x0f000000);662	}663 664	size = VCE_V4_0_FW_SIZE;665	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE0), size);666 667	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_40BIT_BAR1), (adev->vce.gpu_addr >> 8));668	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_64BIT_BAR1), (adev->vce.gpu_addr >> 40) & 0xff);669	offset = (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) ? offset + size : 0;670	size = VCE_V4_0_STACK_SIZE;671	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET1), (offset & ~0x0f000000) | (1 << 24));672	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE1), size);673 674	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_40BIT_BAR2), (adev->vce.gpu_addr >> 8));675	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_64BIT_BAR2), (adev->vce.gpu_addr >> 40) & 0xff);676	offset += size;677	size = VCE_V4_0_DATA_SIZE;678	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET2), (offset & ~0x0f000000) | (2 << 24));679	WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE2), size);680 681	WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CTRL2), 0x0, ~0x100);682	WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SYS_INT_EN),683			VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK,684			~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);685}686 687static int vce_v4_0_set_clockgating_state(void *handle,688					  enum amd_clockgating_state state)689{690	/* needed for driver unload*/691	return 0;692}693 694#if 0695static bool vce_v4_0_is_idle(void *handle)696{697	struct amdgpu_device *adev = (struct amdgpu_device *)handle;698	u32 mask = 0;699 700	mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE0) ? 0 : SRBM_STATUS2__VCE0_BUSY_MASK;701	mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE1) ? 0 : SRBM_STATUS2__VCE1_BUSY_MASK;702 703	return !(RREG32(mmSRBM_STATUS2) & mask);704}705 706static int vce_v4_0_wait_for_idle(void *handle)707{708	unsigned i;709	struct amdgpu_device *adev = (struct amdgpu_device *)handle;710 711	for (i = 0; i < adev->usec_timeout; i++)712		if (vce_v4_0_is_idle(handle))713			return 0;714 715	return -ETIMEDOUT;716}717 718#define  VCE_STATUS_VCPU_REPORT_AUTO_BUSY_MASK  0x00000008L   /* AUTO_BUSY */719#define  VCE_STATUS_VCPU_REPORT_RB0_BUSY_MASK   0x00000010L   /* RB0_BUSY */720#define  VCE_STATUS_VCPU_REPORT_RB1_BUSY_MASK   0x00000020L   /* RB1_BUSY */721#define  AMDGPU_VCE_STATUS_BUSY_MASK (VCE_STATUS_VCPU_REPORT_AUTO_BUSY_MASK | \722				      VCE_STATUS_VCPU_REPORT_RB0_BUSY_MASK)723 724static bool vce_v4_0_check_soft_reset(void *handle)725{726	struct amdgpu_device *adev = (struct amdgpu_device *)handle;727	u32 srbm_soft_reset = 0;728 729	/* According to VCE team , we should use VCE_STATUS instead730	 * SRBM_STATUS.VCE_BUSY bit for busy status checking.731	 * GRBM_GFX_INDEX.INSTANCE_INDEX is used to specify which VCE732	 * instance's registers are accessed733	 * (0 for 1st instance, 10 for 2nd instance).734	 *735	 *VCE_STATUS736	 *|UENC|ACPI|AUTO ACTIVE|RB1 |RB0 |RB2 |          |FW_LOADED|JOB |737	 *|----+----+-----------+----+----+----+----------+---------+----|738	 *|bit8|bit7|    bit6   |bit5|bit4|bit3|   bit2   |  bit1   |bit0|739	 *740	 * VCE team suggest use bit 3--bit 6 for busy status check741	 */742	mutex_lock(&adev->grbm_idx_mutex);743	WREG32_FIELD(GRBM_GFX_INDEX, INSTANCE_INDEX, 0);744	if (RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) {745		srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1);746		srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1);747	}748	WREG32_FIELD(GRBM_GFX_INDEX, INSTANCE_INDEX, 0x10);749	if (RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) {750		srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1);751		srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1);752	}753	WREG32_FIELD(GRBM_GFX_INDEX, INSTANCE_INDEX, 0);754	mutex_unlock(&adev->grbm_idx_mutex);755 756	if (srbm_soft_reset) {757		adev->vce.srbm_soft_reset = srbm_soft_reset;758		return true;759	} else {760		adev->vce.srbm_soft_reset = 0;761		return false;762	}763}764 765static int vce_v4_0_soft_reset(void *handle)766{767	struct amdgpu_device *adev = (struct amdgpu_device *)handle;768	u32 srbm_soft_reset;769 770	if (!adev->vce.srbm_soft_reset)771		return 0;772	srbm_soft_reset = adev->vce.srbm_soft_reset;773 774	if (srbm_soft_reset) {775		u32 tmp;776 777		tmp = RREG32(mmSRBM_SOFT_RESET);778		tmp |= srbm_soft_reset;779		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);780		WREG32(mmSRBM_SOFT_RESET, tmp);781		tmp = RREG32(mmSRBM_SOFT_RESET);782 783		udelay(50);784 785		tmp &= ~srbm_soft_reset;786		WREG32(mmSRBM_SOFT_RESET, tmp);787		tmp = RREG32(mmSRBM_SOFT_RESET);788 789		/* Wait a little for things to settle down */790		udelay(50);791	}792 793	return 0;794}795 796static int vce_v4_0_pre_soft_reset(void *handle)797{798	struct amdgpu_device *adev = (struct amdgpu_device *)handle;799 800	if (!adev->vce.srbm_soft_reset)801		return 0;802 803	mdelay(5);804 805	return vce_v4_0_suspend(adev);806}807 808 809static int vce_v4_0_post_soft_reset(void *handle)810{811	struct amdgpu_device *adev = (struct amdgpu_device *)handle;812 813	if (!adev->vce.srbm_soft_reset)814		return 0;815 816	mdelay(5);817 818	return vce_v4_0_resume(adev);819}820 821static void vce_v4_0_override_vce_clock_gating(struct amdgpu_device *adev, bool override)822{823	u32 tmp, data;824 825	tmp = data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_ARB_CTRL));826	if (override)827		data |= VCE_RB_ARB_CTRL__VCE_CGTT_OVERRIDE_MASK;828	else829		data &= ~VCE_RB_ARB_CTRL__VCE_CGTT_OVERRIDE_MASK;830 831	if (tmp != data)832		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_ARB_CTRL), data);833}834 835static void vce_v4_0_set_vce_sw_clock_gating(struct amdgpu_device *adev,836					     bool gated)837{838	u32 data;839 840	/* Set Override to disable Clock Gating */841	vce_v4_0_override_vce_clock_gating(adev, true);842 843	/* This function enables MGCG which is controlled by firmware.844	   With the clocks in the gated state the core is still845	   accessible but the firmware will throttle the clocks on the846	   fly as necessary.847	*/848	if (gated) {849		data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B));850		data |= 0x1ff;851		data &= ~0xef0000;852		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B), data);853 854		data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING));855		data |= 0x3ff000;856		data &= ~0xffc00000;857		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING), data);858 859		data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING_2));860		data |= 0x2;861		data &= ~0x00010000;862		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING_2), data);863 864		data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING));865		data |= 0x37f;866		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING), data);867 868		data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_DMA_DCLK_CTRL));869		data |= VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK |870			VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK |871			VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK  |872			0x8;873		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_DMA_DCLK_CTRL), data);874	} else {875		data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B));876		data &= ~0x80010;877		data |= 0xe70008;878		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B), data);879 880		data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING));881		data |= 0xffc00000;882		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING), data);883 884		data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING_2));885		data |= 0x10000;886		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING_2), data);887 888		data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING));889		data &= ~0xffc00000;890		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING), data);891 892		data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_DMA_DCLK_CTRL));893		data &= ~(VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK |894			  VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK |895			  VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK  |896			  0x8);897		WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_DMA_DCLK_CTRL), data);898	}899	vce_v4_0_override_vce_clock_gating(adev, false);900}901 902static void vce_v4_0_set_bypass_mode(struct amdgpu_device *adev, bool enable)903{904	u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL);905 906	if (enable)907		tmp |= GCK_DFS_BYPASS_CNTL__BYPASSECLK_MASK;908	else909		tmp &= ~GCK_DFS_BYPASS_CNTL__BYPASSECLK_MASK;910 911	WREG32_SMC(ixGCK_DFS_BYPASS_CNTL, tmp);912}913 914static int vce_v4_0_set_clockgating_state(void *handle,915					  enum amd_clockgating_state state)916{917	struct amdgpu_device *adev = (struct amdgpu_device *)handle;918	bool enable = (state == AMD_CG_STATE_GATE);919	int i;920 921	if ((adev->asic_type == CHIP_POLARIS10) ||922		(adev->asic_type == CHIP_TONGA) ||923		(adev->asic_type == CHIP_FIJI))924		vce_v4_0_set_bypass_mode(adev, enable);925 926	if (!(adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG))927		return 0;928 929	mutex_lock(&adev->grbm_idx_mutex);930	for (i = 0; i < 2; i++) {931		/* Program VCE Instance 0 or 1 if not harvested */932		if (adev->vce.harvest_config & (1 << i))933			continue;934 935		WREG32_FIELD(GRBM_GFX_INDEX, VCE_INSTANCE, i);936 937		if (enable) {938			/* initialize VCE_CLOCK_GATING_A: Clock ON/OFF delay */939			uint32_t data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_A);940			data &= ~(0xf | 0xff0);941			data |= ((0x0 << 0) | (0x04 << 4));942			WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_A, data);943 944			/* initialize VCE_UENC_CLOCK_GATING: Clock ON/OFF delay */945			data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING);946			data &= ~(0xf | 0xff0);947			data |= ((0x0 << 0) | (0x04 << 4));948			WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING, data);949		}950 951		vce_v4_0_set_vce_sw_clock_gating(adev, enable);952	}953 954	WREG32_FIELD(GRBM_GFX_INDEX, VCE_INSTANCE, 0);955	mutex_unlock(&adev->grbm_idx_mutex);956 957	return 0;958}959#endif960 961static int vce_v4_0_set_powergating_state(void *handle,962					  enum amd_powergating_state state)963{964	/* This doesn't actually powergate the VCE block.965	 * That's done in the dpm code via the SMC.  This966	 * just re-inits the block as necessary.  The actual967	 * gating still happens in the dpm code.  We should968	 * revisit this when there is a cleaner line between969	 * the smc and the hw blocks970	 */971	struct amdgpu_device *adev = (struct amdgpu_device *)handle;972 973	if (state == AMD_PG_STATE_GATE)974		return vce_v4_0_stop(adev);975	else976		return vce_v4_0_start(adev);977}978 979static void vce_v4_0_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_job *job,980					struct amdgpu_ib *ib, uint32_t flags)981{982	unsigned vmid = AMDGPU_JOB_GET_VMID(job);983 984	amdgpu_ring_write(ring, VCE_CMD_IB_VM);985	amdgpu_ring_write(ring, vmid);986	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));987	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));988	amdgpu_ring_write(ring, ib->length_dw);989}990 991static void vce_v4_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,992			u64 seq, unsigned flags)993{994	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);995 996	amdgpu_ring_write(ring, VCE_CMD_FENCE);997	amdgpu_ring_write(ring, addr);998	amdgpu_ring_write(ring, upper_32_bits(addr));999	amdgpu_ring_write(ring, seq);1000	amdgpu_ring_write(ring, VCE_CMD_TRAP);1001}1002 1003static void vce_v4_0_ring_insert_end(struct amdgpu_ring *ring)1004{1005	amdgpu_ring_write(ring, VCE_CMD_END);1006}1007 1008static void vce_v4_0_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,1009				   uint32_t val, uint32_t mask)1010{1011	amdgpu_ring_write(ring, VCE_CMD_REG_WAIT);1012	amdgpu_ring_write(ring,	reg << 2);1013	amdgpu_ring_write(ring, mask);1014	amdgpu_ring_write(ring, val);1015}1016 1017static void vce_v4_0_emit_vm_flush(struct amdgpu_ring *ring,1018				   unsigned int vmid, uint64_t pd_addr)1019{1020	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub];1021 1022	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);1023 1024	/* wait for reg writes */1025	vce_v4_0_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 +1026			       vmid * hub->ctx_addr_distance,1027			       lower_32_bits(pd_addr), 0xffffffff);1028}1029 1030static void vce_v4_0_emit_wreg(struct amdgpu_ring *ring,1031			       uint32_t reg, uint32_t val)1032{1033	amdgpu_ring_write(ring, VCE_CMD_REG_WRITE);1034	amdgpu_ring_write(ring,	reg << 2);1035	amdgpu_ring_write(ring, val);1036}1037 1038static int vce_v4_0_set_interrupt_state(struct amdgpu_device *adev,1039					struct amdgpu_irq_src *source,1040					unsigned type,1041					enum amdgpu_interrupt_state state)1042{1043	uint32_t val = 0;1044 1045	if (!amdgpu_sriov_vf(adev)) {1046		if (state == AMDGPU_IRQ_STATE_ENABLE)1047			val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK;1048 1049		WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SYS_INT_EN), val,1050				~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);1051	}1052	return 0;1053}1054 1055static int vce_v4_0_process_interrupt(struct amdgpu_device *adev,1056				      struct amdgpu_irq_src *source,1057				      struct amdgpu_iv_entry *entry)1058{1059	DRM_DEBUG("IH: VCE\n");1060 1061	switch (entry->src_data[0]) {1062	case 0:1063	case 1:1064	case 2:1065		amdgpu_fence_process(&adev->vce.ring[entry->src_data[0]]);1066		break;1067	default:1068		DRM_ERROR("Unhandled interrupt: %d %d\n",1069			  entry->src_id, entry->src_data[0]);1070		break;1071	}1072 1073	return 0;1074}1075 1076const struct amd_ip_funcs vce_v4_0_ip_funcs = {1077	.name = "vce_v4_0",1078	.early_init = vce_v4_0_early_init,1079	.late_init = NULL,1080	.sw_init = vce_v4_0_sw_init,1081	.sw_fini = vce_v4_0_sw_fini,1082	.hw_init = vce_v4_0_hw_init,1083	.hw_fini = vce_v4_0_hw_fini,1084	.suspend = vce_v4_0_suspend,1085	.resume = vce_v4_0_resume,1086	.is_idle = NULL /* vce_v4_0_is_idle */,1087	.wait_for_idle = NULL /* vce_v4_0_wait_for_idle */,1088	.check_soft_reset = NULL /* vce_v4_0_check_soft_reset */,1089	.pre_soft_reset = NULL /* vce_v4_0_pre_soft_reset */,1090	.soft_reset = NULL /* vce_v4_0_soft_reset */,1091	.post_soft_reset = NULL /* vce_v4_0_post_soft_reset */,1092	.set_clockgating_state = vce_v4_0_set_clockgating_state,1093	.set_powergating_state = vce_v4_0_set_powergating_state,1094};1095 1096static const struct amdgpu_ring_funcs vce_v4_0_ring_vm_funcs = {1097	.type = AMDGPU_RING_TYPE_VCE,1098	.align_mask = 0x3f,1099	.nop = VCE_CMD_NO_OP,1100	.support_64bit_ptrs = false,1101	.no_user_fence = true,1102	.get_rptr = vce_v4_0_ring_get_rptr,1103	.get_wptr = vce_v4_0_ring_get_wptr,1104	.set_wptr = vce_v4_0_ring_set_wptr,1105	.patch_cs_in_place = amdgpu_vce_ring_parse_cs_vm,1106	.emit_frame_size =1107		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +1108		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +1109		4 + /* vce_v4_0_emit_vm_flush */1110		5 + 5 + /* amdgpu_vce_ring_emit_fence x2 vm fence */1111		1, /* vce_v4_0_ring_insert_end */1112	.emit_ib_size = 5, /* vce_v4_0_ring_emit_ib */1113	.emit_ib = vce_v4_0_ring_emit_ib,1114	.emit_vm_flush = vce_v4_0_emit_vm_flush,1115	.emit_fence = vce_v4_0_ring_emit_fence,1116	.test_ring = amdgpu_vce_ring_test_ring,1117	.test_ib = amdgpu_vce_ring_test_ib,1118	.insert_nop = amdgpu_ring_insert_nop,1119	.insert_end = vce_v4_0_ring_insert_end,1120	.pad_ib = amdgpu_ring_generic_pad_ib,1121	.begin_use = amdgpu_vce_ring_begin_use,1122	.end_use = amdgpu_vce_ring_end_use,1123	.emit_wreg = vce_v4_0_emit_wreg,1124	.emit_reg_wait = vce_v4_0_emit_reg_wait,1125	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,1126};1127 1128static void vce_v4_0_set_ring_funcs(struct amdgpu_device *adev)1129{1130	int i;1131 1132	for (i = 0; i < adev->vce.num_rings; i++) {1133		adev->vce.ring[i].funcs = &vce_v4_0_ring_vm_funcs;1134		adev->vce.ring[i].me = i;1135	}1136	DRM_INFO("VCE enabled in VM mode\n");1137}1138 1139static const struct amdgpu_irq_src_funcs vce_v4_0_irq_funcs = {1140	.set = vce_v4_0_set_interrupt_state,1141	.process = vce_v4_0_process_interrupt,1142};1143 1144static void vce_v4_0_set_irq_funcs(struct amdgpu_device *adev)1145{1146	adev->vce.irq.num_types = 1;1147	adev->vce.irq.funcs = &vce_v4_0_irq_funcs;1148};1149 1150const struct amdgpu_ip_block_version vce_v4_0_ip_block =1151{1152	.type = AMD_IP_BLOCK_TYPE_VCE,1153	.major = 4,1154	.minor = 0,1155	.rev = 0,1156	.funcs = &vce_v4_0_ip_funcs,1157};1158