xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c (revision 9659281c)
1 /*
2  * Copyright 2018 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_vcn.h"
28 #include "soc15.h"
29 #include "soc15d.h"
30 #include "amdgpu_pm.h"
31 #include "amdgpu_psp.h"
32 #include "mmsch_v2_0.h"
33 #include "vcn_v2_0.h"
34 
35 #include "vcn/vcn_2_0_0_offset.h"
36 #include "vcn/vcn_2_0_0_sh_mask.h"
37 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
38 
39 #define mmUVD_CONTEXT_ID_INTERNAL_OFFSET			0x1fd
40 #define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET			0x503
41 #define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET			0x504
42 #define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET			0x505
43 #define mmUVD_NO_OP_INTERNAL_OFFSET				0x53f
44 #define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET			0x54a
45 #define mmUVD_SCRATCH9_INTERNAL_OFFSET				0xc01d
46 
47 #define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET			0x1e1
48 #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET		0x5a6
49 #define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET		0x5a7
50 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET			0x1e2
51 
52 static void vcn_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev);
53 static void vcn_v2_0_set_enc_ring_funcs(struct amdgpu_device *adev);
54 static void vcn_v2_0_set_irq_funcs(struct amdgpu_device *adev);
55 static int vcn_v2_0_set_powergating_state(void *handle,
56 				enum amd_powergating_state state);
57 static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev,
58 				int inst_idx, struct dpg_pause_state *new_state);
59 static int vcn_v2_0_start_sriov(struct amdgpu_device *adev);
60 /**
61  * vcn_v2_0_early_init - set function pointers
62  *
63  * @handle: amdgpu_device pointer
64  *
65  * Set ring and irq function pointers
66  */
67 static int vcn_v2_0_early_init(void *handle)
68 {
69 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
70 
71 	adev->vcn.num_vcn_inst = 1;
72 	if (amdgpu_sriov_vf(adev))
73 		adev->vcn.num_enc_rings = 1;
74 	else
75 		adev->vcn.num_enc_rings = 2;
76 
77 	vcn_v2_0_set_dec_ring_funcs(adev);
78 	vcn_v2_0_set_enc_ring_funcs(adev);
79 	vcn_v2_0_set_irq_funcs(adev);
80 
81 	return 0;
82 }
83 
84 /**
85  * vcn_v2_0_sw_init - sw init for VCN block
86  *
87  * @handle: amdgpu_device pointer
88  *
89  * Load firmware and sw initialization
90  */
91 static int vcn_v2_0_sw_init(void *handle)
92 {
93 	struct amdgpu_ring *ring;
94 	int i, r;
95 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
96 	volatile struct amdgpu_fw_shared *fw_shared;
97 
98 	/* VCN DEC TRAP */
99 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
100 			      VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT,
101 			      &adev->vcn.inst->irq);
102 	if (r)
103 		return r;
104 
105 	/* VCN ENC TRAP */
106 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
107 		r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
108 				      i + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE,
109 				      &adev->vcn.inst->irq);
110 		if (r)
111 			return r;
112 	}
113 
114 	r = amdgpu_vcn_sw_init(adev);
115 	if (r)
116 		return r;
117 
118 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
119 		const struct common_firmware_header *hdr;
120 		hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
121 		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].ucode_id = AMDGPU_UCODE_ID_VCN;
122 		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].fw = adev->vcn.fw;
123 		adev->firmware.fw_size +=
124 			ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
125 		DRM_INFO("PSP loading VCN firmware\n");
126 	}
127 
128 	r = amdgpu_vcn_resume(adev);
129 	if (r)
130 		return r;
131 
132 	ring = &adev->vcn.inst->ring_dec;
133 
134 	ring->use_doorbell = true;
135 	ring->doorbell_index = adev->doorbell_index.vcn.vcn_ring0_1 << 1;
136 
137 	sprintf(ring->name, "vcn_dec");
138 	r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
139 			     AMDGPU_RING_PRIO_DEFAULT, NULL);
140 	if (r)
141 		return r;
142 
143 	adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
144 	adev->vcn.internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
145 	adev->vcn.internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
146 	adev->vcn.internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
147 	adev->vcn.internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
148 	adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
149 
150 	adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
151 	adev->vcn.inst->external.scratch9 = SOC15_REG_OFFSET(UVD, 0, mmUVD_SCRATCH9);
152 	adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
153 	adev->vcn.inst->external.data0 = SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0);
154 	adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
155 	adev->vcn.inst->external.data1 = SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1);
156 	adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
157 	adev->vcn.inst->external.cmd = SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD);
158 	adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
159 	adev->vcn.inst->external.nop = SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP);
160 
161 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
162 		ring = &adev->vcn.inst->ring_enc[i];
163 		ring->use_doorbell = true;
164 		if (!amdgpu_sriov_vf(adev))
165 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + i;
166 		else
167 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1 + i;
168 		sprintf(ring->name, "vcn_enc%d", i);
169 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
170 				     AMDGPU_RING_PRIO_DEFAULT, NULL);
171 		if (r)
172 			return r;
173 	}
174 
175 	adev->vcn.pause_dpg_mode = vcn_v2_0_pause_dpg_mode;
176 
177 	r = amdgpu_virt_alloc_mm_table(adev);
178 	if (r)
179 		return r;
180 
181 	fw_shared = adev->vcn.inst->fw_shared_cpu_addr;
182 	fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG);
183 	return 0;
184 }
185 
186 /**
187  * vcn_v2_0_sw_fini - sw fini for VCN block
188  *
189  * @handle: amdgpu_device pointer
190  *
191  * VCN suspend and free up sw allocation
192  */
193 static int vcn_v2_0_sw_fini(void *handle)
194 {
195 	int r;
196 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
197 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared_cpu_addr;
198 
199 	fw_shared->present_flag_0 = 0;
200 
201 	amdgpu_virt_free_mm_table(adev);
202 
203 	r = amdgpu_vcn_suspend(adev);
204 	if (r)
205 		return r;
206 
207 	r = amdgpu_vcn_sw_fini(adev);
208 
209 	return r;
210 }
211 
212 /**
213  * vcn_v2_0_hw_init - start and test VCN block
214  *
215  * @handle: amdgpu_device pointer
216  *
217  * Initialize the hardware, boot up the VCPU and do some testing
218  */
219 static int vcn_v2_0_hw_init(void *handle)
220 {
221 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
222 	struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
223 	int i, r;
224 
225 	adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
226 					     ring->doorbell_index, 0);
227 
228 	if (amdgpu_sriov_vf(adev))
229 		vcn_v2_0_start_sriov(adev);
230 
231 	r = amdgpu_ring_test_helper(ring);
232 	if (r)
233 		goto done;
234 
235 	//Disable vcn decode for sriov
236 	if (amdgpu_sriov_vf(adev))
237 		ring->sched.ready = false;
238 
239 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
240 		ring = &adev->vcn.inst->ring_enc[i];
241 		r = amdgpu_ring_test_helper(ring);
242 		if (r)
243 			goto done;
244 	}
245 
246 done:
247 	if (!r)
248 		DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
249 			(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
250 
251 	return r;
252 }
253 
254 /**
255  * vcn_v2_0_hw_fini - stop the hardware block
256  *
257  * @handle: amdgpu_device pointer
258  *
259  * Stop the VCN block, mark ring as not ready any more
260  */
261 static int vcn_v2_0_hw_fini(void *handle)
262 {
263 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
264 
265 	cancel_delayed_work_sync(&adev->vcn.idle_work);
266 
267 	if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
268 	    (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
269 	      RREG32_SOC15(VCN, 0, mmUVD_STATUS)))
270 		vcn_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
271 
272 	return 0;
273 }
274 
275 /**
276  * vcn_v2_0_suspend - suspend VCN block
277  *
278  * @handle: amdgpu_device pointer
279  *
280  * HW fini and suspend VCN block
281  */
282 static int vcn_v2_0_suspend(void *handle)
283 {
284 	int r;
285 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
286 
287 	r = vcn_v2_0_hw_fini(adev);
288 	if (r)
289 		return r;
290 
291 	r = amdgpu_vcn_suspend(adev);
292 
293 	return r;
294 }
295 
296 /**
297  * vcn_v2_0_resume - resume VCN block
298  *
299  * @handle: amdgpu_device pointer
300  *
301  * Resume firmware and hw init VCN block
302  */
303 static int vcn_v2_0_resume(void *handle)
304 {
305 	int r;
306 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
307 
308 	r = amdgpu_vcn_resume(adev);
309 	if (r)
310 		return r;
311 
312 	r = vcn_v2_0_hw_init(adev);
313 
314 	return r;
315 }
316 
317 /**
318  * vcn_v2_0_mc_resume - memory controller programming
319  *
320  * @adev: amdgpu_device pointer
321  *
322  * Let the VCN memory controller know it's offsets
323  */
324 static void vcn_v2_0_mc_resume(struct amdgpu_device *adev)
325 {
326 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
327 	uint32_t offset;
328 
329 	if (amdgpu_sriov_vf(adev))
330 		return;
331 
332 	/* cache window 0: fw */
333 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
334 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
335 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo));
336 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
337 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi));
338 		WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0);
339 		offset = 0;
340 	} else {
341 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
342 			lower_32_bits(adev->vcn.inst->gpu_addr));
343 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
344 			upper_32_bits(adev->vcn.inst->gpu_addr));
345 		offset = size;
346 		WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
347 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
348 	}
349 
350 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size);
351 
352 	/* cache window 1: stack */
353 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
354 		lower_32_bits(adev->vcn.inst->gpu_addr + offset));
355 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
356 		upper_32_bits(adev->vcn.inst->gpu_addr + offset));
357 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0);
358 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
359 
360 	/* cache window 2: context */
361 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
362 		lower_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
363 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
364 		upper_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
365 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0);
366 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
367 
368 	/* non-cache window */
369 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
370 		lower_32_bits(adev->vcn.inst->fw_shared_gpu_addr));
371 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
372 		upper_32_bits(adev->vcn.inst->fw_shared_gpu_addr));
373 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
374 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0,
375 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
376 
377 	WREG32_SOC15(UVD, 0, mmUVD_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
378 }
379 
380 static void vcn_v2_0_mc_resume_dpg_mode(struct amdgpu_device *adev, bool indirect)
381 {
382 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
383 	uint32_t offset;
384 
385 	/* cache window 0: fw */
386 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
387 		if (!indirect) {
388 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
389 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
390 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo), 0, indirect);
391 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
392 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
393 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi), 0, indirect);
394 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
395 				UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
396 		} else {
397 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
398 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
399 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
400 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
401 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
402 				UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
403 		}
404 		offset = 0;
405 	} else {
406 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
407 			UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
408 			lower_32_bits(adev->vcn.inst->gpu_addr), 0, indirect);
409 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
410 			UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
411 			upper_32_bits(adev->vcn.inst->gpu_addr), 0, indirect);
412 		offset = size;
413 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
414 			UVD, 0, mmUVD_VCPU_CACHE_OFFSET0),
415 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
416 	}
417 
418 	if (!indirect)
419 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
420 			UVD, 0, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
421 	else
422 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
423 			UVD, 0, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
424 
425 	/* cache window 1: stack */
426 	if (!indirect) {
427 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
428 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
429 			lower_32_bits(adev->vcn.inst->gpu_addr + offset), 0, indirect);
430 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
431 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
432 			upper_32_bits(adev->vcn.inst->gpu_addr + offset), 0, indirect);
433 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
434 			UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
435 	} else {
436 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
437 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
438 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
439 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
440 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
441 			UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
442 	}
443 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
444 		UVD, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
445 
446 	/* cache window 2: context */
447 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
448 		UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
449 		lower_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
450 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
451 		UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
452 		upper_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
453 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
454 		UVD, 0, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
455 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
456 		UVD, 0, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
457 
458 	/* non-cache window */
459 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
460 		UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
461 		lower_32_bits(adev->vcn.inst->fw_shared_gpu_addr), 0, indirect);
462 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
463 		UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
464 		upper_32_bits(adev->vcn.inst->fw_shared_gpu_addr), 0, indirect);
465 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
466 		UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
467 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
468 		UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0),
469 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
470 
471 	/* VCN global tiling registers */
472 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
473 		UVD, 0, mmUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
474 }
475 
476 /**
477  * vcn_v2_0_disable_clock_gating - disable VCN clock gating
478  *
479  * @adev: amdgpu_device pointer
480  *
481  * Disable clock gating for VCN block
482  */
483 static void vcn_v2_0_disable_clock_gating(struct amdgpu_device *adev)
484 {
485 	uint32_t data;
486 
487 	if (amdgpu_sriov_vf(adev))
488 		return;
489 
490 	/* UVD disable CGC */
491 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
492 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
493 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
494 	else
495 		data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
496 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
497 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
498 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
499 
500 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_GATE);
501 	data &= ~(UVD_CGC_GATE__SYS_MASK
502 		| UVD_CGC_GATE__UDEC_MASK
503 		| UVD_CGC_GATE__MPEG2_MASK
504 		| UVD_CGC_GATE__REGS_MASK
505 		| UVD_CGC_GATE__RBC_MASK
506 		| UVD_CGC_GATE__LMI_MC_MASK
507 		| UVD_CGC_GATE__LMI_UMC_MASK
508 		| UVD_CGC_GATE__IDCT_MASK
509 		| UVD_CGC_GATE__MPRD_MASK
510 		| UVD_CGC_GATE__MPC_MASK
511 		| UVD_CGC_GATE__LBSI_MASK
512 		| UVD_CGC_GATE__LRBBM_MASK
513 		| UVD_CGC_GATE__UDEC_RE_MASK
514 		| UVD_CGC_GATE__UDEC_CM_MASK
515 		| UVD_CGC_GATE__UDEC_IT_MASK
516 		| UVD_CGC_GATE__UDEC_DB_MASK
517 		| UVD_CGC_GATE__UDEC_MP_MASK
518 		| UVD_CGC_GATE__WCB_MASK
519 		| UVD_CGC_GATE__VCPU_MASK
520 		| UVD_CGC_GATE__SCPU_MASK);
521 	WREG32_SOC15(VCN, 0, mmUVD_CGC_GATE, data);
522 
523 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
524 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
525 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
526 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
527 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
528 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
529 		| UVD_CGC_CTRL__SYS_MODE_MASK
530 		| UVD_CGC_CTRL__UDEC_MODE_MASK
531 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
532 		| UVD_CGC_CTRL__REGS_MODE_MASK
533 		| UVD_CGC_CTRL__RBC_MODE_MASK
534 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
535 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
536 		| UVD_CGC_CTRL__IDCT_MODE_MASK
537 		| UVD_CGC_CTRL__MPRD_MODE_MASK
538 		| UVD_CGC_CTRL__MPC_MODE_MASK
539 		| UVD_CGC_CTRL__LBSI_MODE_MASK
540 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
541 		| UVD_CGC_CTRL__WCB_MODE_MASK
542 		| UVD_CGC_CTRL__VCPU_MODE_MASK
543 		| UVD_CGC_CTRL__SCPU_MODE_MASK);
544 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
545 
546 	/* turn on */
547 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE);
548 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
549 		| UVD_SUVD_CGC_GATE__SIT_MASK
550 		| UVD_SUVD_CGC_GATE__SMP_MASK
551 		| UVD_SUVD_CGC_GATE__SCM_MASK
552 		| UVD_SUVD_CGC_GATE__SDB_MASK
553 		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
554 		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
555 		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
556 		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
557 		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
558 		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
559 		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
560 		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
561 		| UVD_SUVD_CGC_GATE__SCLR_MASK
562 		| UVD_SUVD_CGC_GATE__UVD_SC_MASK
563 		| UVD_SUVD_CGC_GATE__ENT_MASK
564 		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
565 		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
566 		| UVD_SUVD_CGC_GATE__SITE_MASK
567 		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
568 		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
569 		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
570 		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
571 		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
572 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE, data);
573 
574 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
575 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
576 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
577 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
578 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
579 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
580 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
581 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
582 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
583 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
584 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
585 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
586 }
587 
588 static void vcn_v2_0_clock_gating_dpg_mode(struct amdgpu_device *adev,
589 		uint8_t sram_sel, uint8_t indirect)
590 {
591 	uint32_t reg_data = 0;
592 
593 	/* enable sw clock gating control */
594 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
595 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
596 	else
597 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
598 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
599 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
600 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
601 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
602 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
603 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
604 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
605 		 UVD_CGC_CTRL__SYS_MODE_MASK |
606 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
607 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
608 		 UVD_CGC_CTRL__REGS_MODE_MASK |
609 		 UVD_CGC_CTRL__RBC_MODE_MASK |
610 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
611 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
612 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
613 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
614 		 UVD_CGC_CTRL__MPC_MODE_MASK |
615 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
616 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
617 		 UVD_CGC_CTRL__WCB_MODE_MASK |
618 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
619 		 UVD_CGC_CTRL__SCPU_MODE_MASK);
620 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
621 		UVD, 0, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
622 
623 	/* turn off clock gating */
624 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
625 		UVD, 0, mmUVD_CGC_GATE), 0, sram_sel, indirect);
626 
627 	/* turn on SUVD clock gating */
628 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
629 		UVD, 0, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
630 
631 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
632 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
633 		UVD, 0, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
634 }
635 
636 /**
637  * vcn_v2_0_enable_clock_gating - enable VCN clock gating
638  *
639  * @adev: amdgpu_device pointer
640  *
641  * Enable clock gating for VCN block
642  */
643 static void vcn_v2_0_enable_clock_gating(struct amdgpu_device *adev)
644 {
645 	uint32_t data = 0;
646 
647 	if (amdgpu_sriov_vf(adev))
648 		return;
649 
650 	/* enable UVD CGC */
651 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
652 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
653 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
654 	else
655 		data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
656 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
657 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
658 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
659 
660 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
661 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
662 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
663 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
664 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
665 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
666 		| UVD_CGC_CTRL__SYS_MODE_MASK
667 		| UVD_CGC_CTRL__UDEC_MODE_MASK
668 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
669 		| UVD_CGC_CTRL__REGS_MODE_MASK
670 		| UVD_CGC_CTRL__RBC_MODE_MASK
671 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
672 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
673 		| UVD_CGC_CTRL__IDCT_MODE_MASK
674 		| UVD_CGC_CTRL__MPRD_MODE_MASK
675 		| UVD_CGC_CTRL__MPC_MODE_MASK
676 		| UVD_CGC_CTRL__LBSI_MODE_MASK
677 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
678 		| UVD_CGC_CTRL__WCB_MODE_MASK
679 		| UVD_CGC_CTRL__VCPU_MODE_MASK
680 		| UVD_CGC_CTRL__SCPU_MODE_MASK);
681 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
682 
683 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
684 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
685 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
686 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
687 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
688 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
689 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
690 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
691 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
692 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
693 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
694 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
695 }
696 
697 static void vcn_v2_0_disable_static_power_gating(struct amdgpu_device *adev)
698 {
699 	uint32_t data = 0;
700 
701 	if (amdgpu_sriov_vf(adev))
702 		return;
703 
704 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
705 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
706 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
707 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
708 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
709 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
710 			| 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
711 			| 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
712 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
713 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
714 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT);
715 
716 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
717 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS,
718 			UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON_2_0, 0xFFFFF);
719 	} else {
720 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
721 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
722 			| 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
723 			| 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
724 			| 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
725 			| 1 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
726 			| 1 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
727 			| 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
728 			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
729 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT);
730 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
731 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 0,  0xFFFFF);
732 	}
733 
734 	/* polling UVD_PGFSM_STATUS to confirm UVDM_PWR_STATUS,
735 	 * UVDU_PWR_STATUS are 0 (power on) */
736 
737 	data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
738 	data &= ~0x103;
739 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
740 		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
741 			UVD_POWER_STATUS__UVD_PG_EN_MASK;
742 
743 	WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
744 }
745 
746 static void vcn_v2_0_enable_static_power_gating(struct amdgpu_device *adev)
747 {
748 	uint32_t data = 0;
749 
750 	if (amdgpu_sriov_vf(adev))
751 		return;
752 
753 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
754 		/* Before power off, this indicator has to be turned on */
755 		data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
756 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
757 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
758 		WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
759 
760 
761 		data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
762 			| 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
763 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
764 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
765 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
766 			| 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
767 			| 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
768 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
769 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
770 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT);
771 
772 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
773 
774 		data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
775 			| 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT
776 			| 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
777 			| 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT
778 			| 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
779 			| 2 << UVD_PGFSM_STATUS__UVDIL_PWR_STATUS__SHIFT
780 			| 2 << UVD_PGFSM_STATUS__UVDIR_PWR_STATUS__SHIFT
781 			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
782 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
783 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT);
784 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, data, 0xFFFFF);
785 	}
786 }
787 
788 static int vcn_v2_0_start_dpg_mode(struct amdgpu_device *adev, bool indirect)
789 {
790 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared_cpu_addr;
791 	struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
792 	uint32_t rb_bufsz, tmp;
793 
794 	vcn_v2_0_enable_static_power_gating(adev);
795 
796 	/* enable dynamic power gating mode */
797 	tmp = RREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS);
798 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
799 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
800 	WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, tmp);
801 
802 	if (indirect)
803 		adev->vcn.inst->dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst->dpg_sram_cpu_addr;
804 
805 	/* enable clock gating */
806 	vcn_v2_0_clock_gating_dpg_mode(adev, 0, indirect);
807 
808 	/* enable VCPU clock */
809 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
810 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
811 	tmp |= UVD_VCPU_CNTL__MIF_WR_LOW_THRESHOLD_BP_MASK;
812 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
813 		UVD, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
814 
815 	/* disable master interupt */
816 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
817 		UVD, 0, mmUVD_MASTINT_EN), 0, 0, indirect);
818 
819 	/* setup mmUVD_LMI_CTRL */
820 	tmp = (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
821 		UVD_LMI_CTRL__REQ_MODE_MASK |
822 		UVD_LMI_CTRL__CRC_RESET_MASK |
823 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
824 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
825 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
826 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
827 		0x00100000L);
828 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
829 		UVD, 0, mmUVD_LMI_CTRL), tmp, 0, indirect);
830 
831 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
832 		UVD, 0, mmUVD_MPC_CNTL),
833 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
834 
835 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
836 		UVD, 0, mmUVD_MPC_SET_MUXA0),
837 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
838 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
839 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
840 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
841 
842 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
843 		UVD, 0, mmUVD_MPC_SET_MUXB0),
844 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
845 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
846 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
847 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
848 
849 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
850 		UVD, 0, mmUVD_MPC_SET_MUX),
851 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
852 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
853 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
854 
855 	vcn_v2_0_mc_resume_dpg_mode(adev, indirect);
856 
857 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
858 		UVD, 0, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
859 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
860 		UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
861 
862 	/* release VCPU reset to boot */
863 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
864 		UVD, 0, mmUVD_SOFT_RESET), 0, 0, indirect);
865 
866 	/* enable LMI MC and UMC channels */
867 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
868 		UVD, 0, mmUVD_LMI_CTRL2),
869 		0x1F << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT, 0, indirect);
870 
871 	/* enable master interrupt */
872 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
873 		UVD, 0, mmUVD_MASTINT_EN),
874 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
875 
876 	if (indirect)
877 		psp_update_vcn_sram(adev, 0, adev->vcn.inst->dpg_sram_gpu_addr,
878 				    (uint32_t)((uintptr_t)adev->vcn.inst->dpg_sram_curr_addr -
879 					       (uintptr_t)adev->vcn.inst->dpg_sram_cpu_addr));
880 
881 	/* force RBC into idle state */
882 	rb_bufsz = order_base_2(ring->ring_size);
883 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
884 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
885 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
886 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
887 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
888 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
889 
890 	/* Stall DPG before WPTR/RPTR reset */
891 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
892 		UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
893 		~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
894 	fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
895 
896 	/* set the write pointer delay */
897 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
898 
899 	/* set the wb address */
900 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR,
901 		(upper_32_bits(ring->gpu_addr) >> 2));
902 
903 	/* program the RB_BASE for ring buffer */
904 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
905 		lower_32_bits(ring->gpu_addr));
906 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
907 		upper_32_bits(ring->gpu_addr));
908 
909 	/* Initialize the ring buffer's read and write pointers */
910 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
911 
912 	WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
913 
914 	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
915 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
916 		lower_32_bits(ring->wptr));
917 
918 	fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
919 	/* Unstall DPG */
920 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
921 		0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
922 	return 0;
923 }
924 
925 static int vcn_v2_0_start(struct amdgpu_device *adev)
926 {
927 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared_cpu_addr;
928 	struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
929 	uint32_t rb_bufsz, tmp;
930 	uint32_t lmi_swap_cntl;
931 	int i, j, r;
932 
933 	if (adev->pm.dpm_enabled)
934 		amdgpu_dpm_enable_uvd(adev, true);
935 
936 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
937 		return vcn_v2_0_start_dpg_mode(adev, adev->vcn.indirect_sram);
938 
939 	vcn_v2_0_disable_static_power_gating(adev);
940 
941 	/* set uvd status busy */
942 	tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
943 	WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
944 
945 	/*SW clock gating */
946 	vcn_v2_0_disable_clock_gating(adev);
947 
948 	/* enable VCPU clock */
949 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL),
950 		UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
951 
952 	/* disable master interrupt */
953 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0,
954 		~UVD_MASTINT_EN__VCPU_EN_MASK);
955 
956 	/* setup mmUVD_LMI_CTRL */
957 	tmp = RREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL);
958 	WREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL, tmp |
959 		UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
960 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
961 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
962 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
963 
964 	/* setup mmUVD_MPC_CNTL */
965 	tmp = RREG32_SOC15(UVD, 0, mmUVD_MPC_CNTL);
966 	tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
967 	tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
968 	WREG32_SOC15(VCN, 0, mmUVD_MPC_CNTL, tmp);
969 
970 	/* setup UVD_MPC_SET_MUXA0 */
971 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA0,
972 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
973 		(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
974 		(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
975 		(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
976 
977 	/* setup UVD_MPC_SET_MUXB0 */
978 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB0,
979 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
980 		(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
981 		(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
982 		(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
983 
984 	/* setup mmUVD_MPC_SET_MUX */
985 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUX,
986 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
987 		(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
988 		(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
989 
990 	vcn_v2_0_mc_resume(adev);
991 
992 	/* release VCPU reset to boot */
993 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
994 		~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
995 
996 	/* enable LMI MC and UMC channels */
997 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0,
998 		~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
999 
1000 	tmp = RREG32_SOC15(VCN, 0, mmUVD_SOFT_RESET);
1001 	tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1002 	tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1003 	WREG32_SOC15(VCN, 0, mmUVD_SOFT_RESET, tmp);
1004 
1005 	/* disable byte swapping */
1006 	lmi_swap_cntl = 0;
1007 #ifdef __BIG_ENDIAN
1008 	/* swap (8 in 32) RB and IB */
1009 	lmi_swap_cntl = 0xa;
1010 #endif
1011 	WREG32_SOC15(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
1012 
1013 	for (i = 0; i < 10; ++i) {
1014 		uint32_t status;
1015 
1016 		for (j = 0; j < 100; ++j) {
1017 			status = RREG32_SOC15(UVD, 0, mmUVD_STATUS);
1018 			if (status & 2)
1019 				break;
1020 			mdelay(10);
1021 		}
1022 		r = 0;
1023 		if (status & 2)
1024 			break;
1025 
1026 		DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
1027 		WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1028 			UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
1029 			~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1030 		mdelay(10);
1031 		WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
1032 			~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1033 		mdelay(10);
1034 		r = -1;
1035 	}
1036 
1037 	if (r) {
1038 		DRM_ERROR("VCN decode not responding, giving up!!!\n");
1039 		return r;
1040 	}
1041 
1042 	/* enable master interrupt */
1043 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN),
1044 		UVD_MASTINT_EN__VCPU_EN_MASK,
1045 		~UVD_MASTINT_EN__VCPU_EN_MASK);
1046 
1047 	/* clear the busy bit of VCN_STATUS */
1048 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 0,
1049 		~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1050 
1051 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_VMID, 0);
1052 
1053 	/* force RBC into idle state */
1054 	rb_bufsz = order_base_2(ring->ring_size);
1055 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1056 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1057 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1058 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1059 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1060 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
1061 
1062 	fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
1063 	/* program the RB_BASE for ring buffer */
1064 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1065 		lower_32_bits(ring->gpu_addr));
1066 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1067 		upper_32_bits(ring->gpu_addr));
1068 
1069 	/* Initialize the ring buffer's read and write pointers */
1070 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
1071 
1072 	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1073 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1074 			lower_32_bits(ring->wptr));
1075 	fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
1076 
1077 	fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1078 	ring = &adev->vcn.inst->ring_enc[0];
1079 	WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1080 	WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1081 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
1082 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1083 	WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
1084 	fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1085 
1086 	fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1087 	ring = &adev->vcn.inst->ring_enc[1];
1088 	WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1089 	WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1090 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1091 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1092 	WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
1093 	fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1094 
1095 	return 0;
1096 }
1097 
1098 static int vcn_v2_0_stop_dpg_mode(struct amdgpu_device *adev)
1099 {
1100 	uint32_t tmp;
1101 
1102 	/* Wait for power status to be 1 */
1103 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1,
1104 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1105 
1106 	/* wait for read ptr to be equal to write ptr */
1107 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
1108 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1109 
1110 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
1111 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1112 
1113 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1114 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1115 
1116 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1,
1117 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1118 
1119 	/* disable dynamic power gating mode */
1120 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0,
1121 			~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1122 
1123 	return 0;
1124 }
1125 
1126 static int vcn_v2_0_stop(struct amdgpu_device *adev)
1127 {
1128 	uint32_t tmp;
1129 	int r;
1130 
1131 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1132 		r = vcn_v2_0_stop_dpg_mode(adev);
1133 		if (r)
1134 			return r;
1135 		goto power_off;
1136 	}
1137 
1138 	/* wait for uvd idle */
1139 	r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1140 	if (r)
1141 		return r;
1142 
1143 	tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1144 		UVD_LMI_STATUS__READ_CLEAN_MASK |
1145 		UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1146 		UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1147 	r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp);
1148 	if (r)
1149 		return r;
1150 
1151 	/* stall UMC channel */
1152 	tmp = RREG32_SOC15(VCN, 0, mmUVD_LMI_CTRL2);
1153 	tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1154 	WREG32_SOC15(VCN, 0, mmUVD_LMI_CTRL2, tmp);
1155 
1156 	tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
1157 		UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1158 	r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp);
1159 	if (r)
1160 		return r;
1161 
1162 	/* disable VCPU clock */
1163 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 0,
1164 		~(UVD_VCPU_CNTL__CLK_EN_MASK));
1165 
1166 	/* reset LMI UMC */
1167 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1168 		UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK,
1169 		~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
1170 
1171 	/* reset LMI */
1172 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1173 		UVD_SOFT_RESET__LMI_SOFT_RESET_MASK,
1174 		~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK);
1175 
1176 	/* reset VCPU */
1177 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1178 		UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
1179 		~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1180 
1181 	/* clear status */
1182 	WREG32_SOC15(VCN, 0, mmUVD_STATUS, 0);
1183 
1184 	vcn_v2_0_enable_clock_gating(adev);
1185 	vcn_v2_0_enable_static_power_gating(adev);
1186 
1187 power_off:
1188 	if (adev->pm.dpm_enabled)
1189 		amdgpu_dpm_enable_uvd(adev, false);
1190 
1191 	return 0;
1192 }
1193 
1194 static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev,
1195 				int inst_idx, struct dpg_pause_state *new_state)
1196 {
1197 	struct amdgpu_ring *ring;
1198 	uint32_t reg_data = 0;
1199 	int ret_code;
1200 
1201 	/* pause/unpause if state is changed */
1202 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1203 		DRM_DEBUG("dpg pause state changed %d -> %d",
1204 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1205 		reg_data = RREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE) &
1206 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1207 
1208 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1209 			ret_code = SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 0x1,
1210 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1211 
1212 			if (!ret_code) {
1213 				volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared_cpu_addr;
1214 				/* pause DPG */
1215 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1216 				WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1217 
1218 				/* wait for ACK */
1219 				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_DPG_PAUSE,
1220 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1221 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1222 
1223 				/* Stall DPG before WPTR/RPTR reset */
1224 				WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
1225 					   UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1226 					   ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1227 				/* Restore */
1228 				fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1229 				ring = &adev->vcn.inst->ring_enc[0];
1230 				ring->wptr = 0;
1231 				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
1232 				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1233 				WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
1234 				WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1235 				WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1236 				fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1237 
1238 				fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1239 				ring = &adev->vcn.inst->ring_enc[1];
1240 				ring->wptr = 0;
1241 				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1242 				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1243 				WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
1244 				WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1245 				WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1246 				fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1247 
1248 				fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
1249 				WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1250 					   RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
1251 				fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
1252 				/* Unstall DPG */
1253 				WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
1254 					   0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1255 
1256 				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1257 					   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
1258 					   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1259 			}
1260 		} else {
1261 			/* unpause dpg, no need to wait */
1262 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1263 			WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1264 		}
1265 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1266 	}
1267 
1268 	return 0;
1269 }
1270 
1271 static bool vcn_v2_0_is_idle(void *handle)
1272 {
1273 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1274 
1275 	return (RREG32_SOC15(VCN, 0, mmUVD_STATUS) == UVD_STATUS__IDLE);
1276 }
1277 
1278 static int vcn_v2_0_wait_for_idle(void *handle)
1279 {
1280 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1281 	int ret;
1282 
1283 	ret = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE,
1284 		UVD_STATUS__IDLE);
1285 
1286 	return ret;
1287 }
1288 
1289 static int vcn_v2_0_set_clockgating_state(void *handle,
1290 					  enum amd_clockgating_state state)
1291 {
1292 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1293 	bool enable = (state == AMD_CG_STATE_GATE);
1294 
1295 	if (amdgpu_sriov_vf(adev))
1296 		return 0;
1297 
1298 	if (enable) {
1299 		/* wait for STATUS to clear */
1300 		if (!vcn_v2_0_is_idle(handle))
1301 			return -EBUSY;
1302 		vcn_v2_0_enable_clock_gating(adev);
1303 	} else {
1304 		/* disable HW gating and enable Sw gating */
1305 		vcn_v2_0_disable_clock_gating(adev);
1306 	}
1307 	return 0;
1308 }
1309 
1310 /**
1311  * vcn_v2_0_dec_ring_get_rptr - get read pointer
1312  *
1313  * @ring: amdgpu_ring pointer
1314  *
1315  * Returns the current hardware read pointer
1316  */
1317 static uint64_t vcn_v2_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
1318 {
1319 	struct amdgpu_device *adev = ring->adev;
1320 
1321 	return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1322 }
1323 
1324 /**
1325  * vcn_v2_0_dec_ring_get_wptr - get write pointer
1326  *
1327  * @ring: amdgpu_ring pointer
1328  *
1329  * Returns the current hardware write pointer
1330  */
1331 static uint64_t vcn_v2_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
1332 {
1333 	struct amdgpu_device *adev = ring->adev;
1334 
1335 	if (ring->use_doorbell)
1336 		return adev->wb.wb[ring->wptr_offs];
1337 	else
1338 		return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR);
1339 }
1340 
1341 /**
1342  * vcn_v2_0_dec_ring_set_wptr - set write pointer
1343  *
1344  * @ring: amdgpu_ring pointer
1345  *
1346  * Commits the write pointer to the hardware
1347  */
1348 static void vcn_v2_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
1349 {
1350 	struct amdgpu_device *adev = ring->adev;
1351 
1352 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1353 		WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2,
1354 			lower_32_bits(ring->wptr) | 0x80000000);
1355 
1356 	if (ring->use_doorbell) {
1357 		adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
1358 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1359 	} else {
1360 		WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1361 	}
1362 }
1363 
1364 /**
1365  * vcn_v2_0_dec_ring_insert_start - insert a start command
1366  *
1367  * @ring: amdgpu_ring pointer
1368  *
1369  * Write a start command to the ring.
1370  */
1371 void vcn_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring)
1372 {
1373 	struct amdgpu_device *adev = ring->adev;
1374 
1375 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1376 	amdgpu_ring_write(ring, 0);
1377 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1378 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_START << 1));
1379 }
1380 
1381 /**
1382  * vcn_v2_0_dec_ring_insert_end - insert a end command
1383  *
1384  * @ring: amdgpu_ring pointer
1385  *
1386  * Write a end command to the ring.
1387  */
1388 void vcn_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring)
1389 {
1390 	struct amdgpu_device *adev = ring->adev;
1391 
1392 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1393 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_END << 1));
1394 }
1395 
1396 /**
1397  * vcn_v2_0_dec_ring_insert_nop - insert a nop command
1398  *
1399  * @ring: amdgpu_ring pointer
1400  * @count: the number of NOP packets to insert
1401  *
1402  * Write a nop command to the ring.
1403  */
1404 void vcn_v2_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
1405 {
1406 	struct amdgpu_device *adev = ring->adev;
1407 	int i;
1408 
1409 	WARN_ON(ring->wptr % 2 || count % 2);
1410 
1411 	for (i = 0; i < count / 2; i++) {
1412 		amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.nop, 0));
1413 		amdgpu_ring_write(ring, 0);
1414 	}
1415 }
1416 
1417 /**
1418  * vcn_v2_0_dec_ring_emit_fence - emit an fence & trap command
1419  *
1420  * @ring: amdgpu_ring pointer
1421  * @addr: address
1422  * @seq: sequence number
1423  * @flags: fence related flags
1424  *
1425  * Write a fence and a trap command to the ring.
1426  */
1427 void vcn_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
1428 				unsigned flags)
1429 {
1430 	struct amdgpu_device *adev = ring->adev;
1431 
1432 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1433 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.context_id, 0));
1434 	amdgpu_ring_write(ring, seq);
1435 
1436 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1437 	amdgpu_ring_write(ring, addr & 0xffffffff);
1438 
1439 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1440 	amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
1441 
1442 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1443 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_FENCE << 1));
1444 
1445 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1446 	amdgpu_ring_write(ring, 0);
1447 
1448 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1449 	amdgpu_ring_write(ring, 0);
1450 
1451 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1452 
1453 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_TRAP << 1));
1454 }
1455 
1456 /**
1457  * vcn_v2_0_dec_ring_emit_ib - execute indirect buffer
1458  *
1459  * @ring: amdgpu_ring pointer
1460  * @job: job to retrieve vmid from
1461  * @ib: indirect buffer to execute
1462  * @flags: unused
1463  *
1464  * Write ring commands to execute the indirect buffer
1465  */
1466 void vcn_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
1467 			       struct amdgpu_job *job,
1468 			       struct amdgpu_ib *ib,
1469 			       uint32_t flags)
1470 {
1471 	struct amdgpu_device *adev = ring->adev;
1472 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1473 
1474 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.ib_vmid, 0));
1475 	amdgpu_ring_write(ring, vmid);
1476 
1477 	amdgpu_ring_write(ring,	PACKET0(adev->vcn.internal.ib_bar_low, 0));
1478 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1479 	amdgpu_ring_write(ring,	PACKET0(adev->vcn.internal.ib_bar_high, 0));
1480 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1481 	amdgpu_ring_write(ring,	PACKET0(adev->vcn.internal.ib_size, 0));
1482 	amdgpu_ring_write(ring, ib->length_dw);
1483 }
1484 
1485 void vcn_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1486 				uint32_t val, uint32_t mask)
1487 {
1488 	struct amdgpu_device *adev = ring->adev;
1489 
1490 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1491 	amdgpu_ring_write(ring, reg << 2);
1492 
1493 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1494 	amdgpu_ring_write(ring, val);
1495 
1496 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.gp_scratch8, 0));
1497 	amdgpu_ring_write(ring, mask);
1498 
1499 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1500 
1501 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_REG_READ_COND_WAIT << 1));
1502 }
1503 
1504 void vcn_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
1505 				unsigned vmid, uint64_t pd_addr)
1506 {
1507 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1508 	uint32_t data0, data1, mask;
1509 
1510 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1511 
1512 	/* wait for register write */
1513 	data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
1514 	data1 = lower_32_bits(pd_addr);
1515 	mask = 0xffffffff;
1516 	vcn_v2_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
1517 }
1518 
1519 void vcn_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring,
1520 				uint32_t reg, uint32_t val)
1521 {
1522 	struct amdgpu_device *adev = ring->adev;
1523 
1524 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1525 	amdgpu_ring_write(ring, reg << 2);
1526 
1527 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1528 	amdgpu_ring_write(ring, val);
1529 
1530 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1531 
1532 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_WRITE_REG << 1));
1533 }
1534 
1535 /**
1536  * vcn_v2_0_enc_ring_get_rptr - get enc read pointer
1537  *
1538  * @ring: amdgpu_ring pointer
1539  *
1540  * Returns the current hardware enc read pointer
1541  */
1542 static uint64_t vcn_v2_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
1543 {
1544 	struct amdgpu_device *adev = ring->adev;
1545 
1546 	if (ring == &adev->vcn.inst->ring_enc[0])
1547 		return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR);
1548 	else
1549 		return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2);
1550 }
1551 
1552  /**
1553  * vcn_v2_0_enc_ring_get_wptr - get enc write pointer
1554  *
1555  * @ring: amdgpu_ring pointer
1556  *
1557  * Returns the current hardware enc write pointer
1558  */
1559 static uint64_t vcn_v2_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
1560 {
1561 	struct amdgpu_device *adev = ring->adev;
1562 
1563 	if (ring == &adev->vcn.inst->ring_enc[0]) {
1564 		if (ring->use_doorbell)
1565 			return adev->wb.wb[ring->wptr_offs];
1566 		else
1567 			return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
1568 	} else {
1569 		if (ring->use_doorbell)
1570 			return adev->wb.wb[ring->wptr_offs];
1571 		else
1572 			return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
1573 	}
1574 }
1575 
1576  /**
1577  * vcn_v2_0_enc_ring_set_wptr - set enc write pointer
1578  *
1579  * @ring: amdgpu_ring pointer
1580  *
1581  * Commits the enc write pointer to the hardware
1582  */
1583 static void vcn_v2_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
1584 {
1585 	struct amdgpu_device *adev = ring->adev;
1586 
1587 	if (ring == &adev->vcn.inst->ring_enc[0]) {
1588 		if (ring->use_doorbell) {
1589 			adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
1590 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1591 		} else {
1592 			WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1593 		}
1594 	} else {
1595 		if (ring->use_doorbell) {
1596 			adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
1597 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1598 		} else {
1599 			WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1600 		}
1601 	}
1602 }
1603 
1604 /**
1605  * vcn_v2_0_enc_ring_emit_fence - emit an enc fence & trap command
1606  *
1607  * @ring: amdgpu_ring pointer
1608  * @addr: address
1609  * @seq: sequence number
1610  * @flags: fence related flags
1611  *
1612  * Write enc a fence and a trap command to the ring.
1613  */
1614 void vcn_v2_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
1615 				u64 seq, unsigned flags)
1616 {
1617 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1618 
1619 	amdgpu_ring_write(ring, VCN_ENC_CMD_FENCE);
1620 	amdgpu_ring_write(ring, addr);
1621 	amdgpu_ring_write(ring, upper_32_bits(addr));
1622 	amdgpu_ring_write(ring, seq);
1623 	amdgpu_ring_write(ring, VCN_ENC_CMD_TRAP);
1624 }
1625 
1626 void vcn_v2_0_enc_ring_insert_end(struct amdgpu_ring *ring)
1627 {
1628 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
1629 }
1630 
1631 /**
1632  * vcn_v2_0_enc_ring_emit_ib - enc execute indirect buffer
1633  *
1634  * @ring: amdgpu_ring pointer
1635  * @job: job to retrive vmid from
1636  * @ib: indirect buffer to execute
1637  * @flags: unused
1638  *
1639  * Write enc ring commands to execute the indirect buffer
1640  */
1641 void vcn_v2_0_enc_ring_emit_ib(struct amdgpu_ring *ring,
1642 			       struct amdgpu_job *job,
1643 			       struct amdgpu_ib *ib,
1644 			       uint32_t flags)
1645 {
1646 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1647 
1648 	amdgpu_ring_write(ring, VCN_ENC_CMD_IB);
1649 	amdgpu_ring_write(ring, vmid);
1650 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1651 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1652 	amdgpu_ring_write(ring, ib->length_dw);
1653 }
1654 
1655 void vcn_v2_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1656 				uint32_t val, uint32_t mask)
1657 {
1658 	amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT);
1659 	amdgpu_ring_write(ring, reg << 2);
1660 	amdgpu_ring_write(ring, mask);
1661 	amdgpu_ring_write(ring, val);
1662 }
1663 
1664 void vcn_v2_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
1665 				unsigned int vmid, uint64_t pd_addr)
1666 {
1667 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1668 
1669 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1670 
1671 	/* wait for reg writes */
1672 	vcn_v2_0_enc_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 +
1673 					vmid * hub->ctx_addr_distance,
1674 					lower_32_bits(pd_addr), 0xffffffff);
1675 }
1676 
1677 void vcn_v2_0_enc_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
1678 {
1679 	amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
1680 	amdgpu_ring_write(ring,	reg << 2);
1681 	amdgpu_ring_write(ring, val);
1682 }
1683 
1684 static int vcn_v2_0_set_interrupt_state(struct amdgpu_device *adev,
1685 					struct amdgpu_irq_src *source,
1686 					unsigned type,
1687 					enum amdgpu_interrupt_state state)
1688 {
1689 	return 0;
1690 }
1691 
1692 static int vcn_v2_0_process_interrupt(struct amdgpu_device *adev,
1693 				      struct amdgpu_irq_src *source,
1694 				      struct amdgpu_iv_entry *entry)
1695 {
1696 	DRM_DEBUG("IH: VCN TRAP\n");
1697 
1698 	switch (entry->src_id) {
1699 	case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
1700 		amdgpu_fence_process(&adev->vcn.inst->ring_dec);
1701 		break;
1702 	case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
1703 		amdgpu_fence_process(&adev->vcn.inst->ring_enc[0]);
1704 		break;
1705 	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
1706 		amdgpu_fence_process(&adev->vcn.inst->ring_enc[1]);
1707 		break;
1708 	default:
1709 		DRM_ERROR("Unhandled interrupt: %d %d\n",
1710 			  entry->src_id, entry->src_data[0]);
1711 		break;
1712 	}
1713 
1714 	return 0;
1715 }
1716 
1717 int vcn_v2_0_dec_ring_test_ring(struct amdgpu_ring *ring)
1718 {
1719 	struct amdgpu_device *adev = ring->adev;
1720 	uint32_t tmp = 0;
1721 	unsigned i;
1722 	int r;
1723 
1724 	if (amdgpu_sriov_vf(adev))
1725 		return 0;
1726 
1727 	WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
1728 	r = amdgpu_ring_alloc(ring, 4);
1729 	if (r)
1730 		return r;
1731 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1732 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_START << 1));
1733 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
1734 	amdgpu_ring_write(ring, 0xDEADBEEF);
1735 	amdgpu_ring_commit(ring);
1736 	for (i = 0; i < adev->usec_timeout; i++) {
1737 		tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
1738 		if (tmp == 0xDEADBEEF)
1739 			break;
1740 		udelay(1);
1741 	}
1742 
1743 	if (i >= adev->usec_timeout)
1744 		r = -ETIMEDOUT;
1745 
1746 	return r;
1747 }
1748 
1749 
1750 static int vcn_v2_0_set_powergating_state(void *handle,
1751 					  enum amd_powergating_state state)
1752 {
1753 	/* This doesn't actually powergate the VCN block.
1754 	 * That's done in the dpm code via the SMC.  This
1755 	 * just re-inits the block as necessary.  The actual
1756 	 * gating still happens in the dpm code.  We should
1757 	 * revisit this when there is a cleaner line between
1758 	 * the smc and the hw blocks
1759 	 */
1760 	int ret;
1761 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1762 
1763 	if (amdgpu_sriov_vf(adev)) {
1764 		adev->vcn.cur_state = AMD_PG_STATE_UNGATE;
1765 		return 0;
1766 	}
1767 
1768 	if (state == adev->vcn.cur_state)
1769 		return 0;
1770 
1771 	if (state == AMD_PG_STATE_GATE)
1772 		ret = vcn_v2_0_stop(adev);
1773 	else
1774 		ret = vcn_v2_0_start(adev);
1775 
1776 	if (!ret)
1777 		adev->vcn.cur_state = state;
1778 	return ret;
1779 }
1780 
1781 static int vcn_v2_0_start_mmsch(struct amdgpu_device *adev,
1782 				struct amdgpu_mm_table *table)
1783 {
1784 	uint32_t data = 0, loop;
1785 	uint64_t addr = table->gpu_addr;
1786 	struct mmsch_v2_0_init_header *header;
1787 	uint32_t size;
1788 	int i;
1789 
1790 	header = (struct mmsch_v2_0_init_header *)table->cpu_addr;
1791 	size = header->header_size + header->vcn_table_size;
1792 
1793 	/* 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr
1794 	 * of memory descriptor location
1795 	 */
1796 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr));
1797 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr));
1798 
1799 	/* 2, update vmid of descriptor */
1800 	data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID);
1801 	data &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1802 	/* use domain0 for MM scheduler */
1803 	data |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1804 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID, data);
1805 
1806 	/* 3, notify mmsch about the size of this descriptor */
1807 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_SIZE, size);
1808 
1809 	/* 4, set resp to zero */
1810 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
1811 
1812 	adev->vcn.inst->ring_dec.wptr = 0;
1813 	adev->vcn.inst->ring_dec.wptr_old = 0;
1814 	vcn_v2_0_dec_ring_set_wptr(&adev->vcn.inst->ring_dec);
1815 
1816 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
1817 		adev->vcn.inst->ring_enc[i].wptr = 0;
1818 		adev->vcn.inst->ring_enc[i].wptr_old = 0;
1819 		vcn_v2_0_enc_ring_set_wptr(&adev->vcn.inst->ring_enc[i]);
1820 	}
1821 
1822 	/* 5, kick off the initialization and wait until
1823 	 * VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero
1824 	 */
1825 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_HOST, 0x10000001);
1826 
1827 	data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP);
1828 	loop = 1000;
1829 	while ((data & 0x10000002) != 0x10000002) {
1830 		udelay(10);
1831 		data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP);
1832 		loop--;
1833 		if (!loop)
1834 			break;
1835 	}
1836 
1837 	if (!loop) {
1838 		DRM_ERROR("failed to init MMSCH, " \
1839 			"mmMMSCH_VF_MAILBOX_RESP = 0x%08x\n", data);
1840 		return -EBUSY;
1841 	}
1842 
1843 	return 0;
1844 }
1845 
1846 static int vcn_v2_0_start_sriov(struct amdgpu_device *adev)
1847 {
1848 	int r;
1849 	uint32_t tmp;
1850 	struct amdgpu_ring *ring;
1851 	uint32_t offset, size;
1852 	uint32_t table_size = 0;
1853 	struct mmsch_v2_0_cmd_direct_write direct_wt = { {0} };
1854 	struct mmsch_v2_0_cmd_direct_read_modify_write direct_rd_mod_wt = { {0} };
1855 	struct mmsch_v2_0_cmd_end end = { {0} };
1856 	struct mmsch_v2_0_init_header *header;
1857 	uint32_t *init_table = adev->virt.mm_table.cpu_addr;
1858 	uint8_t i = 0;
1859 
1860 	header = (struct mmsch_v2_0_init_header *)init_table;
1861 	direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE;
1862 	direct_rd_mod_wt.cmd_header.command_type =
1863 		MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1864 	end.cmd_header.command_type = MMSCH_COMMAND__END;
1865 
1866 	if (header->vcn_table_offset == 0 && header->vcn_table_size == 0) {
1867 		header->version = MMSCH_VERSION;
1868 		header->header_size = sizeof(struct mmsch_v2_0_init_header) >> 2;
1869 
1870 		header->vcn_table_offset = header->header_size;
1871 
1872 		init_table += header->vcn_table_offset;
1873 
1874 		size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
1875 
1876 		MMSCH_V2_0_INSERT_DIRECT_RD_MOD_WT(
1877 			SOC15_REG_OFFSET(UVD, i, mmUVD_STATUS),
1878 			0xFFFFFFFF, 0x00000004);
1879 
1880 		/* mc resume*/
1881 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1882 			tmp = AMDGPU_UCODE_ID_VCN;
1883 			MMSCH_V2_0_INSERT_DIRECT_WT(
1884 				SOC15_REG_OFFSET(UVD, i,
1885 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1886 				adev->firmware.ucode[tmp].tmr_mc_addr_lo);
1887 			MMSCH_V2_0_INSERT_DIRECT_WT(
1888 				SOC15_REG_OFFSET(UVD, i,
1889 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1890 				adev->firmware.ucode[tmp].tmr_mc_addr_hi);
1891 			offset = 0;
1892 		} else {
1893 			MMSCH_V2_0_INSERT_DIRECT_WT(
1894 				SOC15_REG_OFFSET(UVD, i,
1895 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1896 				lower_32_bits(adev->vcn.inst->gpu_addr));
1897 			MMSCH_V2_0_INSERT_DIRECT_WT(
1898 				SOC15_REG_OFFSET(UVD, i,
1899 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1900 				upper_32_bits(adev->vcn.inst->gpu_addr));
1901 			offset = size;
1902 		}
1903 
1904 		MMSCH_V2_0_INSERT_DIRECT_WT(
1905 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET0),
1906 			0);
1907 		MMSCH_V2_0_INSERT_DIRECT_WT(
1908 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE0),
1909 			size);
1910 
1911 		MMSCH_V2_0_INSERT_DIRECT_WT(
1912 			SOC15_REG_OFFSET(UVD, i,
1913 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1914 			lower_32_bits(adev->vcn.inst->gpu_addr + offset));
1915 		MMSCH_V2_0_INSERT_DIRECT_WT(
1916 			SOC15_REG_OFFSET(UVD, i,
1917 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1918 			upper_32_bits(adev->vcn.inst->gpu_addr + offset));
1919 		MMSCH_V2_0_INSERT_DIRECT_WT(
1920 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET1),
1921 			0);
1922 		MMSCH_V2_0_INSERT_DIRECT_WT(
1923 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE1),
1924 			AMDGPU_VCN_STACK_SIZE);
1925 
1926 		MMSCH_V2_0_INSERT_DIRECT_WT(
1927 			SOC15_REG_OFFSET(UVD, i,
1928 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1929 			lower_32_bits(adev->vcn.inst->gpu_addr + offset +
1930 				AMDGPU_VCN_STACK_SIZE));
1931 		MMSCH_V2_0_INSERT_DIRECT_WT(
1932 			SOC15_REG_OFFSET(UVD, i,
1933 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1934 			upper_32_bits(adev->vcn.inst->gpu_addr + offset +
1935 				AMDGPU_VCN_STACK_SIZE));
1936 		MMSCH_V2_0_INSERT_DIRECT_WT(
1937 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET2),
1938 			0);
1939 		MMSCH_V2_0_INSERT_DIRECT_WT(
1940 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE2),
1941 			AMDGPU_VCN_CONTEXT_SIZE);
1942 
1943 		for (r = 0; r < adev->vcn.num_enc_rings; ++r) {
1944 			ring = &adev->vcn.inst->ring_enc[r];
1945 			ring->wptr = 0;
1946 			MMSCH_V2_0_INSERT_DIRECT_WT(
1947 				SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_LO),
1948 				lower_32_bits(ring->gpu_addr));
1949 			MMSCH_V2_0_INSERT_DIRECT_WT(
1950 				SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_HI),
1951 				upper_32_bits(ring->gpu_addr));
1952 			MMSCH_V2_0_INSERT_DIRECT_WT(
1953 				SOC15_REG_OFFSET(UVD, i, mmUVD_RB_SIZE),
1954 				ring->ring_size / 4);
1955 		}
1956 
1957 		ring = &adev->vcn.inst->ring_dec;
1958 		ring->wptr = 0;
1959 		MMSCH_V2_0_INSERT_DIRECT_WT(
1960 			SOC15_REG_OFFSET(UVD, i,
1961 				mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
1962 			lower_32_bits(ring->gpu_addr));
1963 		MMSCH_V2_0_INSERT_DIRECT_WT(
1964 			SOC15_REG_OFFSET(UVD, i,
1965 				mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
1966 			upper_32_bits(ring->gpu_addr));
1967 		/* force RBC into idle state */
1968 		tmp = order_base_2(ring->ring_size);
1969 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, tmp);
1970 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1971 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1972 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1973 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1974 		MMSCH_V2_0_INSERT_DIRECT_WT(
1975 			SOC15_REG_OFFSET(UVD, i, mmUVD_RBC_RB_CNTL), tmp);
1976 
1977 		/* add end packet */
1978 		tmp = sizeof(struct mmsch_v2_0_cmd_end);
1979 		memcpy((void *)init_table, &end, tmp);
1980 		table_size += (tmp / 4);
1981 		header->vcn_table_size = table_size;
1982 
1983 	}
1984 	return vcn_v2_0_start_mmsch(adev, &adev->virt.mm_table);
1985 }
1986 
1987 static const struct amd_ip_funcs vcn_v2_0_ip_funcs = {
1988 	.name = "vcn_v2_0",
1989 	.early_init = vcn_v2_0_early_init,
1990 	.late_init = NULL,
1991 	.sw_init = vcn_v2_0_sw_init,
1992 	.sw_fini = vcn_v2_0_sw_fini,
1993 	.hw_init = vcn_v2_0_hw_init,
1994 	.hw_fini = vcn_v2_0_hw_fini,
1995 	.suspend = vcn_v2_0_suspend,
1996 	.resume = vcn_v2_0_resume,
1997 	.is_idle = vcn_v2_0_is_idle,
1998 	.wait_for_idle = vcn_v2_0_wait_for_idle,
1999 	.check_soft_reset = NULL,
2000 	.pre_soft_reset = NULL,
2001 	.soft_reset = NULL,
2002 	.post_soft_reset = NULL,
2003 	.set_clockgating_state = vcn_v2_0_set_clockgating_state,
2004 	.set_powergating_state = vcn_v2_0_set_powergating_state,
2005 };
2006 
2007 static const struct amdgpu_ring_funcs vcn_v2_0_dec_ring_vm_funcs = {
2008 	.type = AMDGPU_RING_TYPE_VCN_DEC,
2009 	.align_mask = 0xf,
2010 	.vmhub = AMDGPU_MMHUB_0,
2011 	.get_rptr = vcn_v2_0_dec_ring_get_rptr,
2012 	.get_wptr = vcn_v2_0_dec_ring_get_wptr,
2013 	.set_wptr = vcn_v2_0_dec_ring_set_wptr,
2014 	.emit_frame_size =
2015 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
2016 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
2017 		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
2018 		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
2019 		6,
2020 	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
2021 	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
2022 	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
2023 	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
2024 	.test_ring = vcn_v2_0_dec_ring_test_ring,
2025 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
2026 	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
2027 	.insert_start = vcn_v2_0_dec_ring_insert_start,
2028 	.insert_end = vcn_v2_0_dec_ring_insert_end,
2029 	.pad_ib = amdgpu_ring_generic_pad_ib,
2030 	.begin_use = amdgpu_vcn_ring_begin_use,
2031 	.end_use = amdgpu_vcn_ring_end_use,
2032 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
2033 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
2034 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2035 };
2036 
2037 static const struct amdgpu_ring_funcs vcn_v2_0_enc_ring_vm_funcs = {
2038 	.type = AMDGPU_RING_TYPE_VCN_ENC,
2039 	.align_mask = 0x3f,
2040 	.nop = VCN_ENC_CMD_NO_OP,
2041 	.vmhub = AMDGPU_MMHUB_0,
2042 	.get_rptr = vcn_v2_0_enc_ring_get_rptr,
2043 	.get_wptr = vcn_v2_0_enc_ring_get_wptr,
2044 	.set_wptr = vcn_v2_0_enc_ring_set_wptr,
2045 	.emit_frame_size =
2046 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2047 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
2048 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
2049 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
2050 		1, /* vcn_v2_0_enc_ring_insert_end */
2051 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
2052 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
2053 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
2054 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
2055 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
2056 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
2057 	.insert_nop = amdgpu_ring_insert_nop,
2058 	.insert_end = vcn_v2_0_enc_ring_insert_end,
2059 	.pad_ib = amdgpu_ring_generic_pad_ib,
2060 	.begin_use = amdgpu_vcn_ring_begin_use,
2061 	.end_use = amdgpu_vcn_ring_end_use,
2062 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
2063 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
2064 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2065 };
2066 
2067 static void vcn_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev)
2068 {
2069 	adev->vcn.inst->ring_dec.funcs = &vcn_v2_0_dec_ring_vm_funcs;
2070 	DRM_INFO("VCN decode is enabled in VM mode\n");
2071 }
2072 
2073 static void vcn_v2_0_set_enc_ring_funcs(struct amdgpu_device *adev)
2074 {
2075 	int i;
2076 
2077 	for (i = 0; i < adev->vcn.num_enc_rings; ++i)
2078 		adev->vcn.inst->ring_enc[i].funcs = &vcn_v2_0_enc_ring_vm_funcs;
2079 
2080 	DRM_INFO("VCN encode is enabled in VM mode\n");
2081 }
2082 
2083 static const struct amdgpu_irq_src_funcs vcn_v2_0_irq_funcs = {
2084 	.set = vcn_v2_0_set_interrupt_state,
2085 	.process = vcn_v2_0_process_interrupt,
2086 };
2087 
2088 static void vcn_v2_0_set_irq_funcs(struct amdgpu_device *adev)
2089 {
2090 	adev->vcn.inst->irq.num_types = adev->vcn.num_enc_rings + 1;
2091 	adev->vcn.inst->irq.funcs = &vcn_v2_0_irq_funcs;
2092 }
2093 
2094 const struct amdgpu_ip_block_version vcn_v2_0_ip_block =
2095 {
2096 		.type = AMD_IP_BLOCK_TYPE_VCN,
2097 		.major = 2,
2098 		.minor = 0,
2099 		.rev = 0,
2100 		.funcs = &vcn_v2_0_ip_funcs,
2101 };
2102