xref: /linux/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c (revision 26fbb4c8c7c3ee9a4c3b4de555a8587b5a19154e)
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);
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);
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 	if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
266 	    (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
267 	      RREG32_SOC15(VCN, 0, mmUVD_STATUS)))
268 		vcn_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
269 
270 	return 0;
271 }
272 
273 /**
274  * vcn_v2_0_suspend - suspend VCN block
275  *
276  * @handle: amdgpu_device pointer
277  *
278  * HW fini and suspend VCN block
279  */
280 static int vcn_v2_0_suspend(void *handle)
281 {
282 	int r;
283 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
284 
285 	r = vcn_v2_0_hw_fini(adev);
286 	if (r)
287 		return r;
288 
289 	r = amdgpu_vcn_suspend(adev);
290 
291 	return r;
292 }
293 
294 /**
295  * vcn_v2_0_resume - resume VCN block
296  *
297  * @handle: amdgpu_device pointer
298  *
299  * Resume firmware and hw init VCN block
300  */
301 static int vcn_v2_0_resume(void *handle)
302 {
303 	int r;
304 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
305 
306 	r = amdgpu_vcn_resume(adev);
307 	if (r)
308 		return r;
309 
310 	r = vcn_v2_0_hw_init(adev);
311 
312 	return r;
313 }
314 
315 /**
316  * vcn_v2_0_mc_resume - memory controller programming
317  *
318  * @adev: amdgpu_device pointer
319  *
320  * Let the VCN memory controller know it's offsets
321  */
322 static void vcn_v2_0_mc_resume(struct amdgpu_device *adev)
323 {
324 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
325 	uint32_t offset;
326 
327 	if (amdgpu_sriov_vf(adev))
328 		return;
329 
330 	/* cache window 0: fw */
331 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
332 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
333 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo));
334 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
335 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi));
336 		WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0);
337 		offset = 0;
338 	} else {
339 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
340 			lower_32_bits(adev->vcn.inst->gpu_addr));
341 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
342 			upper_32_bits(adev->vcn.inst->gpu_addr));
343 		offset = size;
344 		WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
345 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
346 	}
347 
348 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size);
349 
350 	/* cache window 1: stack */
351 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
352 		lower_32_bits(adev->vcn.inst->gpu_addr + offset));
353 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
354 		upper_32_bits(adev->vcn.inst->gpu_addr + offset));
355 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0);
356 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
357 
358 	/* cache window 2: context */
359 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
360 		lower_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
361 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
362 		upper_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
363 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0);
364 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
365 
366 	/* non-cache window */
367 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
368 		lower_32_bits(adev->vcn.inst->fw_shared_gpu_addr));
369 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
370 		upper_32_bits(adev->vcn.inst->fw_shared_gpu_addr));
371 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
372 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0,
373 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
374 
375 	WREG32_SOC15(UVD, 0, mmUVD_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
376 }
377 
378 static void vcn_v2_0_mc_resume_dpg_mode(struct amdgpu_device *adev, bool indirect)
379 {
380 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
381 	uint32_t offset;
382 
383 	/* cache window 0: fw */
384 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
385 		if (!indirect) {
386 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
387 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
388 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo), 0, indirect);
389 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
390 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
391 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi), 0, indirect);
392 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
393 				UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
394 		} else {
395 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
396 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
397 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
398 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
399 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
400 				UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
401 		}
402 		offset = 0;
403 	} else {
404 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
405 			UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
406 			lower_32_bits(adev->vcn.inst->gpu_addr), 0, indirect);
407 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
408 			UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
409 			upper_32_bits(adev->vcn.inst->gpu_addr), 0, indirect);
410 		offset = size;
411 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
412 			UVD, 0, mmUVD_VCPU_CACHE_OFFSET0),
413 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
414 	}
415 
416 	if (!indirect)
417 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
418 			UVD, 0, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
419 	else
420 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
421 			UVD, 0, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
422 
423 	/* cache window 1: stack */
424 	if (!indirect) {
425 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
426 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
427 			lower_32_bits(adev->vcn.inst->gpu_addr + offset), 0, indirect);
428 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
429 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
430 			upper_32_bits(adev->vcn.inst->gpu_addr + offset), 0, indirect);
431 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
432 			UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
433 	} else {
434 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
435 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
436 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
437 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
438 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
439 			UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
440 	}
441 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
442 		UVD, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
443 
444 	/* cache window 2: context */
445 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
446 		UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
447 		lower_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
448 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
449 		UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
450 		upper_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
451 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
452 		UVD, 0, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
453 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
454 		UVD, 0, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
455 
456 	/* non-cache window */
457 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
458 		UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
459 		lower_32_bits(adev->vcn.inst->fw_shared_gpu_addr), 0, indirect);
460 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
461 		UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
462 		upper_32_bits(adev->vcn.inst->fw_shared_gpu_addr), 0, indirect);
463 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
464 		UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
465 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
466 		UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0),
467 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
468 
469 	/* VCN global tiling registers */
470 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
471 		UVD, 0, mmUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
472 }
473 
474 /**
475  * vcn_v2_0_disable_clock_gating - disable VCN clock gating
476  *
477  * @adev: amdgpu_device pointer
478  *
479  * Disable clock gating for VCN block
480  */
481 static void vcn_v2_0_disable_clock_gating(struct amdgpu_device *adev)
482 {
483 	uint32_t data;
484 
485 	if (amdgpu_sriov_vf(adev))
486 		return;
487 
488 	/* UVD disable CGC */
489 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
490 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
491 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
492 	else
493 		data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
494 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
495 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
496 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
497 
498 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_GATE);
499 	data &= ~(UVD_CGC_GATE__SYS_MASK
500 		| UVD_CGC_GATE__UDEC_MASK
501 		| UVD_CGC_GATE__MPEG2_MASK
502 		| UVD_CGC_GATE__REGS_MASK
503 		| UVD_CGC_GATE__RBC_MASK
504 		| UVD_CGC_GATE__LMI_MC_MASK
505 		| UVD_CGC_GATE__LMI_UMC_MASK
506 		| UVD_CGC_GATE__IDCT_MASK
507 		| UVD_CGC_GATE__MPRD_MASK
508 		| UVD_CGC_GATE__MPC_MASK
509 		| UVD_CGC_GATE__LBSI_MASK
510 		| UVD_CGC_GATE__LRBBM_MASK
511 		| UVD_CGC_GATE__UDEC_RE_MASK
512 		| UVD_CGC_GATE__UDEC_CM_MASK
513 		| UVD_CGC_GATE__UDEC_IT_MASK
514 		| UVD_CGC_GATE__UDEC_DB_MASK
515 		| UVD_CGC_GATE__UDEC_MP_MASK
516 		| UVD_CGC_GATE__WCB_MASK
517 		| UVD_CGC_GATE__VCPU_MASK
518 		| UVD_CGC_GATE__SCPU_MASK);
519 	WREG32_SOC15(VCN, 0, mmUVD_CGC_GATE, data);
520 
521 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
522 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
523 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
524 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
525 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
526 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
527 		| UVD_CGC_CTRL__SYS_MODE_MASK
528 		| UVD_CGC_CTRL__UDEC_MODE_MASK
529 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
530 		| UVD_CGC_CTRL__REGS_MODE_MASK
531 		| UVD_CGC_CTRL__RBC_MODE_MASK
532 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
533 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
534 		| UVD_CGC_CTRL__IDCT_MODE_MASK
535 		| UVD_CGC_CTRL__MPRD_MODE_MASK
536 		| UVD_CGC_CTRL__MPC_MODE_MASK
537 		| UVD_CGC_CTRL__LBSI_MODE_MASK
538 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
539 		| UVD_CGC_CTRL__WCB_MODE_MASK
540 		| UVD_CGC_CTRL__VCPU_MODE_MASK
541 		| UVD_CGC_CTRL__SCPU_MODE_MASK);
542 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
543 
544 	/* turn on */
545 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE);
546 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
547 		| UVD_SUVD_CGC_GATE__SIT_MASK
548 		| UVD_SUVD_CGC_GATE__SMP_MASK
549 		| UVD_SUVD_CGC_GATE__SCM_MASK
550 		| UVD_SUVD_CGC_GATE__SDB_MASK
551 		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
552 		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
553 		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
554 		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
555 		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
556 		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
557 		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
558 		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
559 		| UVD_SUVD_CGC_GATE__SCLR_MASK
560 		| UVD_SUVD_CGC_GATE__UVD_SC_MASK
561 		| UVD_SUVD_CGC_GATE__ENT_MASK
562 		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
563 		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
564 		| UVD_SUVD_CGC_GATE__SITE_MASK
565 		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
566 		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
567 		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
568 		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
569 		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
570 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE, data);
571 
572 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
573 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
574 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
575 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
576 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
577 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
578 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
579 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
580 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
581 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
582 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
583 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
584 }
585 
586 static void vcn_v2_0_clock_gating_dpg_mode(struct amdgpu_device *adev,
587 		uint8_t sram_sel, uint8_t indirect)
588 {
589 	uint32_t reg_data = 0;
590 
591 	/* enable sw clock gating control */
592 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
593 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
594 	else
595 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
596 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
597 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
598 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
599 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
600 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
601 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
602 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
603 		 UVD_CGC_CTRL__SYS_MODE_MASK |
604 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
605 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
606 		 UVD_CGC_CTRL__REGS_MODE_MASK |
607 		 UVD_CGC_CTRL__RBC_MODE_MASK |
608 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
609 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
610 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
611 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
612 		 UVD_CGC_CTRL__MPC_MODE_MASK |
613 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
614 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
615 		 UVD_CGC_CTRL__WCB_MODE_MASK |
616 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
617 		 UVD_CGC_CTRL__SCPU_MODE_MASK);
618 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
619 		UVD, 0, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
620 
621 	/* turn off clock gating */
622 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
623 		UVD, 0, mmUVD_CGC_GATE), 0, sram_sel, indirect);
624 
625 	/* turn on SUVD clock gating */
626 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
627 		UVD, 0, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
628 
629 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
630 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
631 		UVD, 0, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
632 }
633 
634 /**
635  * vcn_v2_0_enable_clock_gating - enable VCN clock gating
636  *
637  * @adev: amdgpu_device pointer
638  *
639  * Enable clock gating for VCN block
640  */
641 static void vcn_v2_0_enable_clock_gating(struct amdgpu_device *adev)
642 {
643 	uint32_t data = 0;
644 
645 	if (amdgpu_sriov_vf(adev))
646 		return;
647 
648 	/* enable UVD CGC */
649 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
650 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
651 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
652 	else
653 		data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
654 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
655 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
656 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
657 
658 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
659 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
660 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
661 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
662 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
663 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
664 		| UVD_CGC_CTRL__SYS_MODE_MASK
665 		| UVD_CGC_CTRL__UDEC_MODE_MASK
666 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
667 		| UVD_CGC_CTRL__REGS_MODE_MASK
668 		| UVD_CGC_CTRL__RBC_MODE_MASK
669 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
670 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
671 		| UVD_CGC_CTRL__IDCT_MODE_MASK
672 		| UVD_CGC_CTRL__MPRD_MODE_MASK
673 		| UVD_CGC_CTRL__MPC_MODE_MASK
674 		| UVD_CGC_CTRL__LBSI_MODE_MASK
675 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
676 		| UVD_CGC_CTRL__WCB_MODE_MASK
677 		| UVD_CGC_CTRL__VCPU_MODE_MASK
678 		| UVD_CGC_CTRL__SCPU_MODE_MASK);
679 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
680 
681 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
682 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
683 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
684 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
685 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
686 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
687 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
688 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
689 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
690 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
691 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
692 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
693 }
694 
695 static void vcn_v2_0_disable_static_power_gating(struct amdgpu_device *adev)
696 {
697 	uint32_t data = 0;
698 
699 	if (amdgpu_sriov_vf(adev))
700 		return;
701 
702 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
703 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
704 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
705 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
706 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
707 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
708 			| 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
709 			| 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
710 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
711 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
712 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT);
713 
714 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
715 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS,
716 			UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON_2_0, 0xFFFFF);
717 	} else {
718 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
719 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
720 			| 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
721 			| 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
722 			| 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
723 			| 1 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
724 			| 1 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
725 			| 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
726 			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
727 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT);
728 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
729 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 0,  0xFFFFF);
730 	}
731 
732 	/* polling UVD_PGFSM_STATUS to confirm UVDM_PWR_STATUS,
733 	 * UVDU_PWR_STATUS are 0 (power on) */
734 
735 	data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
736 	data &= ~0x103;
737 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
738 		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
739 			UVD_POWER_STATUS__UVD_PG_EN_MASK;
740 
741 	WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
742 }
743 
744 static void vcn_v2_0_enable_static_power_gating(struct amdgpu_device *adev)
745 {
746 	uint32_t data = 0;
747 
748 	if (amdgpu_sriov_vf(adev))
749 		return;
750 
751 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
752 		/* Before power off, this indicator has to be turned on */
753 		data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
754 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
755 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
756 		WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
757 
758 
759 		data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
760 			| 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
761 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
762 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
763 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
764 			| 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
765 			| 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
766 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
767 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
768 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT);
769 
770 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
771 
772 		data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
773 			| 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT
774 			| 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
775 			| 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT
776 			| 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
777 			| 2 << UVD_PGFSM_STATUS__UVDIL_PWR_STATUS__SHIFT
778 			| 2 << UVD_PGFSM_STATUS__UVDIR_PWR_STATUS__SHIFT
779 			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
780 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
781 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT);
782 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, data, 0xFFFFF);
783 	}
784 }
785 
786 static int vcn_v2_0_start_dpg_mode(struct amdgpu_device *adev, bool indirect)
787 {
788 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared_cpu_addr;
789 	struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
790 	uint32_t rb_bufsz, tmp;
791 
792 	vcn_v2_0_enable_static_power_gating(adev);
793 
794 	/* enable dynamic power gating mode */
795 	tmp = RREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS);
796 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
797 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
798 	WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, tmp);
799 
800 	if (indirect)
801 		adev->vcn.inst->dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst->dpg_sram_cpu_addr;
802 
803 	/* enable clock gating */
804 	vcn_v2_0_clock_gating_dpg_mode(adev, 0, indirect);
805 
806 	/* enable VCPU clock */
807 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
808 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
809 	tmp |= UVD_VCPU_CNTL__MIF_WR_LOW_THRESHOLD_BP_MASK;
810 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
811 		UVD, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
812 
813 	/* disable master interupt */
814 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
815 		UVD, 0, mmUVD_MASTINT_EN), 0, 0, indirect);
816 
817 	/* setup mmUVD_LMI_CTRL */
818 	tmp = (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
819 		UVD_LMI_CTRL__REQ_MODE_MASK |
820 		UVD_LMI_CTRL__CRC_RESET_MASK |
821 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
822 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
823 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
824 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
825 		0x00100000L);
826 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
827 		UVD, 0, mmUVD_LMI_CTRL), tmp, 0, indirect);
828 
829 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
830 		UVD, 0, mmUVD_MPC_CNTL),
831 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
832 
833 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
834 		UVD, 0, mmUVD_MPC_SET_MUXA0),
835 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
836 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
837 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
838 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
839 
840 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
841 		UVD, 0, mmUVD_MPC_SET_MUXB0),
842 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
843 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
844 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
845 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
846 
847 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
848 		UVD, 0, mmUVD_MPC_SET_MUX),
849 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
850 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
851 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
852 
853 	vcn_v2_0_mc_resume_dpg_mode(adev, indirect);
854 
855 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
856 		UVD, 0, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
857 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
858 		UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
859 
860 	/* release VCPU reset to boot */
861 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
862 		UVD, 0, mmUVD_SOFT_RESET), 0, 0, indirect);
863 
864 	/* enable LMI MC and UMC channels */
865 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
866 		UVD, 0, mmUVD_LMI_CTRL2),
867 		0x1F << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT, 0, indirect);
868 
869 	/* enable master interrupt */
870 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
871 		UVD, 0, mmUVD_MASTINT_EN),
872 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
873 
874 	if (indirect)
875 		psp_update_vcn_sram(adev, 0, adev->vcn.inst->dpg_sram_gpu_addr,
876 				    (uint32_t)((uintptr_t)adev->vcn.inst->dpg_sram_curr_addr -
877 					       (uintptr_t)adev->vcn.inst->dpg_sram_cpu_addr));
878 
879 	/* force RBC into idle state */
880 	rb_bufsz = order_base_2(ring->ring_size);
881 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
882 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
883 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
884 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
885 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
886 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
887 
888 	/* Stall DPG before WPTR/RPTR reset */
889 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
890 		UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
891 		~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
892 	fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
893 
894 	/* set the write pointer delay */
895 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
896 
897 	/* set the wb address */
898 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR,
899 		(upper_32_bits(ring->gpu_addr) >> 2));
900 
901 	/* program the RB_BASE for ring buffer */
902 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
903 		lower_32_bits(ring->gpu_addr));
904 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
905 		upper_32_bits(ring->gpu_addr));
906 
907 	/* Initialize the ring buffer's read and write pointers */
908 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
909 
910 	WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
911 
912 	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
913 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
914 		lower_32_bits(ring->wptr));
915 
916 	fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
917 	/* Unstall DPG */
918 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
919 		0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
920 	return 0;
921 }
922 
923 static int vcn_v2_0_start(struct amdgpu_device *adev)
924 {
925 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared_cpu_addr;
926 	struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
927 	uint32_t rb_bufsz, tmp;
928 	uint32_t lmi_swap_cntl;
929 	int i, j, r;
930 
931 	if (adev->pm.dpm_enabled)
932 		amdgpu_dpm_enable_uvd(adev, true);
933 
934 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
935 		return vcn_v2_0_start_dpg_mode(adev, adev->vcn.indirect_sram);
936 
937 	vcn_v2_0_disable_static_power_gating(adev);
938 
939 	/* set uvd status busy */
940 	tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
941 	WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
942 
943 	/*SW clock gating */
944 	vcn_v2_0_disable_clock_gating(adev);
945 
946 	/* enable VCPU clock */
947 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL),
948 		UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
949 
950 	/* disable master interrupt */
951 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0,
952 		~UVD_MASTINT_EN__VCPU_EN_MASK);
953 
954 	/* setup mmUVD_LMI_CTRL */
955 	tmp = RREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL);
956 	WREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL, tmp |
957 		UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
958 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
959 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
960 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
961 
962 	/* setup mmUVD_MPC_CNTL */
963 	tmp = RREG32_SOC15(UVD, 0, mmUVD_MPC_CNTL);
964 	tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
965 	tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
966 	WREG32_SOC15(VCN, 0, mmUVD_MPC_CNTL, tmp);
967 
968 	/* setup UVD_MPC_SET_MUXA0 */
969 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA0,
970 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
971 		(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
972 		(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
973 		(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
974 
975 	/* setup UVD_MPC_SET_MUXB0 */
976 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB0,
977 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
978 		(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
979 		(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
980 		(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
981 
982 	/* setup mmUVD_MPC_SET_MUX */
983 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUX,
984 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
985 		(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
986 		(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
987 
988 	vcn_v2_0_mc_resume(adev);
989 
990 	/* release VCPU reset to boot */
991 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
992 		~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
993 
994 	/* enable LMI MC and UMC channels */
995 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0,
996 		~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
997 
998 	tmp = RREG32_SOC15(VCN, 0, mmUVD_SOFT_RESET);
999 	tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1000 	tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1001 	WREG32_SOC15(VCN, 0, mmUVD_SOFT_RESET, tmp);
1002 
1003 	/* disable byte swapping */
1004 	lmi_swap_cntl = 0;
1005 #ifdef __BIG_ENDIAN
1006 	/* swap (8 in 32) RB and IB */
1007 	lmi_swap_cntl = 0xa;
1008 #endif
1009 	WREG32_SOC15(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
1010 
1011 	for (i = 0; i < 10; ++i) {
1012 		uint32_t status;
1013 
1014 		for (j = 0; j < 100; ++j) {
1015 			status = RREG32_SOC15(UVD, 0, mmUVD_STATUS);
1016 			if (status & 2)
1017 				break;
1018 			mdelay(10);
1019 		}
1020 		r = 0;
1021 		if (status & 2)
1022 			break;
1023 
1024 		DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
1025 		WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1026 			UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
1027 			~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1028 		mdelay(10);
1029 		WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
1030 			~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1031 		mdelay(10);
1032 		r = -1;
1033 	}
1034 
1035 	if (r) {
1036 		DRM_ERROR("VCN decode not responding, giving up!!!\n");
1037 		return r;
1038 	}
1039 
1040 	/* enable master interrupt */
1041 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN),
1042 		UVD_MASTINT_EN__VCPU_EN_MASK,
1043 		~UVD_MASTINT_EN__VCPU_EN_MASK);
1044 
1045 	/* clear the busy bit of VCN_STATUS */
1046 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 0,
1047 		~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1048 
1049 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_VMID, 0);
1050 
1051 	/* force RBC into idle state */
1052 	rb_bufsz = order_base_2(ring->ring_size);
1053 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1054 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1055 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1056 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1057 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1058 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
1059 
1060 	fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
1061 	/* program the RB_BASE for ring buffer */
1062 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1063 		lower_32_bits(ring->gpu_addr));
1064 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1065 		upper_32_bits(ring->gpu_addr));
1066 
1067 	/* Initialize the ring buffer's read and write pointers */
1068 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
1069 
1070 	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1071 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1072 			lower_32_bits(ring->wptr));
1073 	fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
1074 
1075 	fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1076 	ring = &adev->vcn.inst->ring_enc[0];
1077 	WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1078 	WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1079 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
1080 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1081 	WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
1082 	fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1083 
1084 	fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1085 	ring = &adev->vcn.inst->ring_enc[1];
1086 	WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1087 	WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1088 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1089 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1090 	WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
1091 	fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1092 
1093 	return 0;
1094 }
1095 
1096 static int vcn_v2_0_stop_dpg_mode(struct amdgpu_device *adev)
1097 {
1098 	uint32_t tmp;
1099 
1100 	/* Wait for power status to be 1 */
1101 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1,
1102 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1103 
1104 	/* wait for read ptr to be equal to write ptr */
1105 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
1106 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1107 
1108 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
1109 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1110 
1111 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1112 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1113 
1114 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1,
1115 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1116 
1117 	/* disable dynamic power gating mode */
1118 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0,
1119 			~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1120 
1121 	return 0;
1122 }
1123 
1124 static int vcn_v2_0_stop(struct amdgpu_device *adev)
1125 {
1126 	uint32_t tmp;
1127 	int r;
1128 
1129 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1130 		r = vcn_v2_0_stop_dpg_mode(adev);
1131 		if (r)
1132 			return r;
1133 		goto power_off;
1134 	}
1135 
1136 	/* wait for uvd idle */
1137 	r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1138 	if (r)
1139 		return r;
1140 
1141 	tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1142 		UVD_LMI_STATUS__READ_CLEAN_MASK |
1143 		UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1144 		UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1145 	r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp);
1146 	if (r)
1147 		return r;
1148 
1149 	/* stall UMC channel */
1150 	tmp = RREG32_SOC15(VCN, 0, mmUVD_LMI_CTRL2);
1151 	tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1152 	WREG32_SOC15(VCN, 0, mmUVD_LMI_CTRL2, tmp);
1153 
1154 	tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
1155 		UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1156 	r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp);
1157 	if (r)
1158 		return r;
1159 
1160 	/* disable VCPU clock */
1161 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 0,
1162 		~(UVD_VCPU_CNTL__CLK_EN_MASK));
1163 
1164 	/* reset LMI UMC */
1165 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1166 		UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK,
1167 		~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
1168 
1169 	/* reset LMI */
1170 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1171 		UVD_SOFT_RESET__LMI_SOFT_RESET_MASK,
1172 		~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK);
1173 
1174 	/* reset VCPU */
1175 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1176 		UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
1177 		~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1178 
1179 	/* clear status */
1180 	WREG32_SOC15(VCN, 0, mmUVD_STATUS, 0);
1181 
1182 	vcn_v2_0_enable_clock_gating(adev);
1183 	vcn_v2_0_enable_static_power_gating(adev);
1184 
1185 power_off:
1186 	if (adev->pm.dpm_enabled)
1187 		amdgpu_dpm_enable_uvd(adev, false);
1188 
1189 	return 0;
1190 }
1191 
1192 static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev,
1193 				int inst_idx, struct dpg_pause_state *new_state)
1194 {
1195 	struct amdgpu_ring *ring;
1196 	uint32_t reg_data = 0;
1197 	int ret_code;
1198 
1199 	/* pause/unpause if state is changed */
1200 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1201 		DRM_DEBUG("dpg pause state changed %d -> %d",
1202 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1203 		reg_data = RREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE) &
1204 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1205 
1206 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1207 			ret_code = SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 0x1,
1208 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1209 
1210 			if (!ret_code) {
1211 				volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared_cpu_addr;
1212 				/* pause DPG */
1213 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1214 				WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1215 
1216 				/* wait for ACK */
1217 				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_DPG_PAUSE,
1218 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1219 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1220 
1221 				/* Stall DPG before WPTR/RPTR reset */
1222 				WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
1223 					   UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1224 					   ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1225 				/* Restore */
1226 				fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1227 				ring = &adev->vcn.inst->ring_enc[0];
1228 				ring->wptr = 0;
1229 				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
1230 				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1231 				WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
1232 				WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1233 				WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1234 				fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1235 
1236 				fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1237 				ring = &adev->vcn.inst->ring_enc[1];
1238 				ring->wptr = 0;
1239 				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1240 				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1241 				WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
1242 				WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1243 				WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1244 				fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1245 
1246 				fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
1247 				WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1248 					   RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
1249 				fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
1250 				/* Unstall DPG */
1251 				WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
1252 					   0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1253 
1254 				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1255 					   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
1256 					   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1257 			}
1258 		} else {
1259 			/* unpause dpg, no need to wait */
1260 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1261 			WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1262 		}
1263 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1264 	}
1265 
1266 	return 0;
1267 }
1268 
1269 static bool vcn_v2_0_is_idle(void *handle)
1270 {
1271 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1272 
1273 	return (RREG32_SOC15(VCN, 0, mmUVD_STATUS) == UVD_STATUS__IDLE);
1274 }
1275 
1276 static int vcn_v2_0_wait_for_idle(void *handle)
1277 {
1278 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1279 	int ret;
1280 
1281 	ret = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE,
1282 		UVD_STATUS__IDLE);
1283 
1284 	return ret;
1285 }
1286 
1287 static int vcn_v2_0_set_clockgating_state(void *handle,
1288 					  enum amd_clockgating_state state)
1289 {
1290 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1291 	bool enable = (state == AMD_CG_STATE_GATE);
1292 
1293 	if (amdgpu_sriov_vf(adev))
1294 		return 0;
1295 
1296 	if (enable) {
1297 		/* wait for STATUS to clear */
1298 		if (!vcn_v2_0_is_idle(handle))
1299 			return -EBUSY;
1300 		vcn_v2_0_enable_clock_gating(adev);
1301 	} else {
1302 		/* disable HW gating and enable Sw gating */
1303 		vcn_v2_0_disable_clock_gating(adev);
1304 	}
1305 	return 0;
1306 }
1307 
1308 /**
1309  * vcn_v2_0_dec_ring_get_rptr - get read pointer
1310  *
1311  * @ring: amdgpu_ring pointer
1312  *
1313  * Returns the current hardware read pointer
1314  */
1315 static uint64_t vcn_v2_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
1316 {
1317 	struct amdgpu_device *adev = ring->adev;
1318 
1319 	return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1320 }
1321 
1322 /**
1323  * vcn_v2_0_dec_ring_get_wptr - get write pointer
1324  *
1325  * @ring: amdgpu_ring pointer
1326  *
1327  * Returns the current hardware write pointer
1328  */
1329 static uint64_t vcn_v2_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
1330 {
1331 	struct amdgpu_device *adev = ring->adev;
1332 
1333 	if (ring->use_doorbell)
1334 		return adev->wb.wb[ring->wptr_offs];
1335 	else
1336 		return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR);
1337 }
1338 
1339 /**
1340  * vcn_v2_0_dec_ring_set_wptr - set write pointer
1341  *
1342  * @ring: amdgpu_ring pointer
1343  *
1344  * Commits the write pointer to the hardware
1345  */
1346 static void vcn_v2_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
1347 {
1348 	struct amdgpu_device *adev = ring->adev;
1349 
1350 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1351 		WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2,
1352 			lower_32_bits(ring->wptr) | 0x80000000);
1353 
1354 	if (ring->use_doorbell) {
1355 		adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
1356 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1357 	} else {
1358 		WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1359 	}
1360 }
1361 
1362 /**
1363  * vcn_v2_0_dec_ring_insert_start - insert a start command
1364  *
1365  * @ring: amdgpu_ring pointer
1366  *
1367  * Write a start command to the ring.
1368  */
1369 void vcn_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring)
1370 {
1371 	struct amdgpu_device *adev = ring->adev;
1372 
1373 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1374 	amdgpu_ring_write(ring, 0);
1375 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1376 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_START << 1));
1377 }
1378 
1379 /**
1380  * vcn_v2_0_dec_ring_insert_end - insert a end command
1381  *
1382  * @ring: amdgpu_ring pointer
1383  *
1384  * Write a end command to the ring.
1385  */
1386 void vcn_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring)
1387 {
1388 	struct amdgpu_device *adev = ring->adev;
1389 
1390 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1391 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_END << 1));
1392 }
1393 
1394 /**
1395  * vcn_v2_0_dec_ring_insert_nop - insert a nop command
1396  *
1397  * @ring: amdgpu_ring pointer
1398  * @count: the number of NOP packets to insert
1399  *
1400  * Write a nop command to the ring.
1401  */
1402 void vcn_v2_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
1403 {
1404 	struct amdgpu_device *adev = ring->adev;
1405 	int i;
1406 
1407 	WARN_ON(ring->wptr % 2 || count % 2);
1408 
1409 	for (i = 0; i < count / 2; i++) {
1410 		amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.nop, 0));
1411 		amdgpu_ring_write(ring, 0);
1412 	}
1413 }
1414 
1415 /**
1416  * vcn_v2_0_dec_ring_emit_fence - emit an fence & trap command
1417  *
1418  * @ring: amdgpu_ring pointer
1419  * @addr: address
1420  * @seq: sequence number
1421  * @flags: fence related flags
1422  *
1423  * Write a fence and a trap command to the ring.
1424  */
1425 void vcn_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
1426 				unsigned flags)
1427 {
1428 	struct amdgpu_device *adev = ring->adev;
1429 
1430 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1431 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.context_id, 0));
1432 	amdgpu_ring_write(ring, seq);
1433 
1434 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1435 	amdgpu_ring_write(ring, addr & 0xffffffff);
1436 
1437 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1438 	amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
1439 
1440 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1441 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_FENCE << 1));
1442 
1443 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1444 	amdgpu_ring_write(ring, 0);
1445 
1446 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1447 	amdgpu_ring_write(ring, 0);
1448 
1449 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1450 
1451 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_TRAP << 1));
1452 }
1453 
1454 /**
1455  * vcn_v2_0_dec_ring_emit_ib - execute indirect buffer
1456  *
1457  * @ring: amdgpu_ring pointer
1458  * @job: job to retrieve vmid from
1459  * @ib: indirect buffer to execute
1460  * @flags: unused
1461  *
1462  * Write ring commands to execute the indirect buffer
1463  */
1464 void vcn_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
1465 			       struct amdgpu_job *job,
1466 			       struct amdgpu_ib *ib,
1467 			       uint32_t flags)
1468 {
1469 	struct amdgpu_device *adev = ring->adev;
1470 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1471 
1472 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.ib_vmid, 0));
1473 	amdgpu_ring_write(ring, vmid);
1474 
1475 	amdgpu_ring_write(ring,	PACKET0(adev->vcn.internal.ib_bar_low, 0));
1476 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1477 	amdgpu_ring_write(ring,	PACKET0(adev->vcn.internal.ib_bar_high, 0));
1478 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1479 	amdgpu_ring_write(ring,	PACKET0(adev->vcn.internal.ib_size, 0));
1480 	amdgpu_ring_write(ring, ib->length_dw);
1481 }
1482 
1483 void vcn_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1484 				uint32_t val, uint32_t mask)
1485 {
1486 	struct amdgpu_device *adev = ring->adev;
1487 
1488 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1489 	amdgpu_ring_write(ring, reg << 2);
1490 
1491 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1492 	amdgpu_ring_write(ring, val);
1493 
1494 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.gp_scratch8, 0));
1495 	amdgpu_ring_write(ring, mask);
1496 
1497 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1498 
1499 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_REG_READ_COND_WAIT << 1));
1500 }
1501 
1502 void vcn_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
1503 				unsigned vmid, uint64_t pd_addr)
1504 {
1505 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1506 	uint32_t data0, data1, mask;
1507 
1508 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1509 
1510 	/* wait for register write */
1511 	data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
1512 	data1 = lower_32_bits(pd_addr);
1513 	mask = 0xffffffff;
1514 	vcn_v2_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
1515 }
1516 
1517 void vcn_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring,
1518 				uint32_t reg, uint32_t val)
1519 {
1520 	struct amdgpu_device *adev = ring->adev;
1521 
1522 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1523 	amdgpu_ring_write(ring, reg << 2);
1524 
1525 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1526 	amdgpu_ring_write(ring, val);
1527 
1528 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1529 
1530 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_WRITE_REG << 1));
1531 }
1532 
1533 /**
1534  * vcn_v2_0_enc_ring_get_rptr - get enc read pointer
1535  *
1536  * @ring: amdgpu_ring pointer
1537  *
1538  * Returns the current hardware enc read pointer
1539  */
1540 static uint64_t vcn_v2_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
1541 {
1542 	struct amdgpu_device *adev = ring->adev;
1543 
1544 	if (ring == &adev->vcn.inst->ring_enc[0])
1545 		return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR);
1546 	else
1547 		return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2);
1548 }
1549 
1550  /**
1551  * vcn_v2_0_enc_ring_get_wptr - get enc write pointer
1552  *
1553  * @ring: amdgpu_ring pointer
1554  *
1555  * Returns the current hardware enc write pointer
1556  */
1557 static uint64_t vcn_v2_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
1558 {
1559 	struct amdgpu_device *adev = ring->adev;
1560 
1561 	if (ring == &adev->vcn.inst->ring_enc[0]) {
1562 		if (ring->use_doorbell)
1563 			return adev->wb.wb[ring->wptr_offs];
1564 		else
1565 			return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
1566 	} else {
1567 		if (ring->use_doorbell)
1568 			return adev->wb.wb[ring->wptr_offs];
1569 		else
1570 			return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
1571 	}
1572 }
1573 
1574  /**
1575  * vcn_v2_0_enc_ring_set_wptr - set enc write pointer
1576  *
1577  * @ring: amdgpu_ring pointer
1578  *
1579  * Commits the enc write pointer to the hardware
1580  */
1581 static void vcn_v2_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
1582 {
1583 	struct amdgpu_device *adev = ring->adev;
1584 
1585 	if (ring == &adev->vcn.inst->ring_enc[0]) {
1586 		if (ring->use_doorbell) {
1587 			adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
1588 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1589 		} else {
1590 			WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1591 		}
1592 	} else {
1593 		if (ring->use_doorbell) {
1594 			adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
1595 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1596 		} else {
1597 			WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1598 		}
1599 	}
1600 }
1601 
1602 /**
1603  * vcn_v2_0_enc_ring_emit_fence - emit an enc fence & trap command
1604  *
1605  * @ring: amdgpu_ring pointer
1606  * @addr: address
1607  * @seq: sequence number
1608  * @flags: fence related flags
1609  *
1610  * Write enc a fence and a trap command to the ring.
1611  */
1612 void vcn_v2_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
1613 				u64 seq, unsigned flags)
1614 {
1615 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1616 
1617 	amdgpu_ring_write(ring, VCN_ENC_CMD_FENCE);
1618 	amdgpu_ring_write(ring, addr);
1619 	amdgpu_ring_write(ring, upper_32_bits(addr));
1620 	amdgpu_ring_write(ring, seq);
1621 	amdgpu_ring_write(ring, VCN_ENC_CMD_TRAP);
1622 }
1623 
1624 void vcn_v2_0_enc_ring_insert_end(struct amdgpu_ring *ring)
1625 {
1626 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
1627 }
1628 
1629 /**
1630  * vcn_v2_0_enc_ring_emit_ib - enc execute indirect buffer
1631  *
1632  * @ring: amdgpu_ring pointer
1633  * @job: job to retrive vmid from
1634  * @ib: indirect buffer to execute
1635  * @flags: unused
1636  *
1637  * Write enc ring commands to execute the indirect buffer
1638  */
1639 void vcn_v2_0_enc_ring_emit_ib(struct amdgpu_ring *ring,
1640 			       struct amdgpu_job *job,
1641 			       struct amdgpu_ib *ib,
1642 			       uint32_t flags)
1643 {
1644 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1645 
1646 	amdgpu_ring_write(ring, VCN_ENC_CMD_IB);
1647 	amdgpu_ring_write(ring, vmid);
1648 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1649 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1650 	amdgpu_ring_write(ring, ib->length_dw);
1651 }
1652 
1653 void vcn_v2_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1654 				uint32_t val, uint32_t mask)
1655 {
1656 	amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT);
1657 	amdgpu_ring_write(ring, reg << 2);
1658 	amdgpu_ring_write(ring, mask);
1659 	amdgpu_ring_write(ring, val);
1660 }
1661 
1662 void vcn_v2_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
1663 				unsigned int vmid, uint64_t pd_addr)
1664 {
1665 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1666 
1667 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1668 
1669 	/* wait for reg writes */
1670 	vcn_v2_0_enc_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 +
1671 					vmid * hub->ctx_addr_distance,
1672 					lower_32_bits(pd_addr), 0xffffffff);
1673 }
1674 
1675 void vcn_v2_0_enc_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
1676 {
1677 	amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
1678 	amdgpu_ring_write(ring,	reg << 2);
1679 	amdgpu_ring_write(ring, val);
1680 }
1681 
1682 static int vcn_v2_0_set_interrupt_state(struct amdgpu_device *adev,
1683 					struct amdgpu_irq_src *source,
1684 					unsigned type,
1685 					enum amdgpu_interrupt_state state)
1686 {
1687 	return 0;
1688 }
1689 
1690 static int vcn_v2_0_process_interrupt(struct amdgpu_device *adev,
1691 				      struct amdgpu_irq_src *source,
1692 				      struct amdgpu_iv_entry *entry)
1693 {
1694 	DRM_DEBUG("IH: VCN TRAP\n");
1695 
1696 	switch (entry->src_id) {
1697 	case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
1698 		amdgpu_fence_process(&adev->vcn.inst->ring_dec);
1699 		break;
1700 	case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
1701 		amdgpu_fence_process(&adev->vcn.inst->ring_enc[0]);
1702 		break;
1703 	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
1704 		amdgpu_fence_process(&adev->vcn.inst->ring_enc[1]);
1705 		break;
1706 	default:
1707 		DRM_ERROR("Unhandled interrupt: %d %d\n",
1708 			  entry->src_id, entry->src_data[0]);
1709 		break;
1710 	}
1711 
1712 	return 0;
1713 }
1714 
1715 int vcn_v2_0_dec_ring_test_ring(struct amdgpu_ring *ring)
1716 {
1717 	struct amdgpu_device *adev = ring->adev;
1718 	uint32_t tmp = 0;
1719 	unsigned i;
1720 	int r;
1721 
1722 	if (amdgpu_sriov_vf(adev))
1723 		return 0;
1724 
1725 	WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
1726 	r = amdgpu_ring_alloc(ring, 4);
1727 	if (r)
1728 		return r;
1729 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1730 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_START << 1));
1731 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
1732 	amdgpu_ring_write(ring, 0xDEADBEEF);
1733 	amdgpu_ring_commit(ring);
1734 	for (i = 0; i < adev->usec_timeout; i++) {
1735 		tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
1736 		if (tmp == 0xDEADBEEF)
1737 			break;
1738 		udelay(1);
1739 	}
1740 
1741 	if (i >= adev->usec_timeout)
1742 		r = -ETIMEDOUT;
1743 
1744 	return r;
1745 }
1746 
1747 
1748 static int vcn_v2_0_set_powergating_state(void *handle,
1749 					  enum amd_powergating_state state)
1750 {
1751 	/* This doesn't actually powergate the VCN block.
1752 	 * That's done in the dpm code via the SMC.  This
1753 	 * just re-inits the block as necessary.  The actual
1754 	 * gating still happens in the dpm code.  We should
1755 	 * revisit this when there is a cleaner line between
1756 	 * the smc and the hw blocks
1757 	 */
1758 	int ret;
1759 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1760 
1761 	if (amdgpu_sriov_vf(adev)) {
1762 		adev->vcn.cur_state = AMD_PG_STATE_UNGATE;
1763 		return 0;
1764 	}
1765 
1766 	if (state == adev->vcn.cur_state)
1767 		return 0;
1768 
1769 	if (state == AMD_PG_STATE_GATE)
1770 		ret = vcn_v2_0_stop(adev);
1771 	else
1772 		ret = vcn_v2_0_start(adev);
1773 
1774 	if (!ret)
1775 		adev->vcn.cur_state = state;
1776 	return ret;
1777 }
1778 
1779 static int vcn_v2_0_start_mmsch(struct amdgpu_device *adev,
1780 				struct amdgpu_mm_table *table)
1781 {
1782 	uint32_t data = 0, loop;
1783 	uint64_t addr = table->gpu_addr;
1784 	struct mmsch_v2_0_init_header *header;
1785 	uint32_t size;
1786 	int i;
1787 
1788 	header = (struct mmsch_v2_0_init_header *)table->cpu_addr;
1789 	size = header->header_size + header->vcn_table_size;
1790 
1791 	/* 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr
1792 	 * of memory descriptor location
1793 	 */
1794 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr));
1795 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr));
1796 
1797 	/* 2, update vmid of descriptor */
1798 	data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID);
1799 	data &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1800 	/* use domain0 for MM scheduler */
1801 	data |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1802 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID, data);
1803 
1804 	/* 3, notify mmsch about the size of this descriptor */
1805 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_SIZE, size);
1806 
1807 	/* 4, set resp to zero */
1808 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
1809 
1810 	adev->vcn.inst->ring_dec.wptr = 0;
1811 	adev->vcn.inst->ring_dec.wptr_old = 0;
1812 	vcn_v2_0_dec_ring_set_wptr(&adev->vcn.inst->ring_dec);
1813 
1814 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
1815 		adev->vcn.inst->ring_enc[i].wptr = 0;
1816 		adev->vcn.inst->ring_enc[i].wptr_old = 0;
1817 		vcn_v2_0_enc_ring_set_wptr(&adev->vcn.inst->ring_enc[i]);
1818 	}
1819 
1820 	/* 5, kick off the initialization and wait until
1821 	 * VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero
1822 	 */
1823 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_HOST, 0x10000001);
1824 
1825 	data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP);
1826 	loop = 1000;
1827 	while ((data & 0x10000002) != 0x10000002) {
1828 		udelay(10);
1829 		data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP);
1830 		loop--;
1831 		if (!loop)
1832 			break;
1833 	}
1834 
1835 	if (!loop) {
1836 		DRM_ERROR("failed to init MMSCH, " \
1837 			"mmMMSCH_VF_MAILBOX_RESP = 0x%08x\n", data);
1838 		return -EBUSY;
1839 	}
1840 
1841 	return 0;
1842 }
1843 
1844 static int vcn_v2_0_start_sriov(struct amdgpu_device *adev)
1845 {
1846 	int r;
1847 	uint32_t tmp;
1848 	struct amdgpu_ring *ring;
1849 	uint32_t offset, size;
1850 	uint32_t table_size = 0;
1851 	struct mmsch_v2_0_cmd_direct_write direct_wt = { {0} };
1852 	struct mmsch_v2_0_cmd_direct_read_modify_write direct_rd_mod_wt = { {0} };
1853 	struct mmsch_v2_0_cmd_end end = { {0} };
1854 	struct mmsch_v2_0_init_header *header;
1855 	uint32_t *init_table = adev->virt.mm_table.cpu_addr;
1856 	uint8_t i = 0;
1857 
1858 	header = (struct mmsch_v2_0_init_header *)init_table;
1859 	direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE;
1860 	direct_rd_mod_wt.cmd_header.command_type =
1861 		MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1862 	end.cmd_header.command_type = MMSCH_COMMAND__END;
1863 
1864 	if (header->vcn_table_offset == 0 && header->vcn_table_size == 0) {
1865 		header->version = MMSCH_VERSION;
1866 		header->header_size = sizeof(struct mmsch_v2_0_init_header) >> 2;
1867 
1868 		header->vcn_table_offset = header->header_size;
1869 
1870 		init_table += header->vcn_table_offset;
1871 
1872 		size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
1873 
1874 		MMSCH_V2_0_INSERT_DIRECT_RD_MOD_WT(
1875 			SOC15_REG_OFFSET(UVD, i, mmUVD_STATUS),
1876 			0xFFFFFFFF, 0x00000004);
1877 
1878 		/* mc resume*/
1879 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1880 			tmp = AMDGPU_UCODE_ID_VCN;
1881 			MMSCH_V2_0_INSERT_DIRECT_WT(
1882 				SOC15_REG_OFFSET(UVD, i,
1883 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1884 				adev->firmware.ucode[tmp].tmr_mc_addr_lo);
1885 			MMSCH_V2_0_INSERT_DIRECT_WT(
1886 				SOC15_REG_OFFSET(UVD, i,
1887 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1888 				adev->firmware.ucode[tmp].tmr_mc_addr_hi);
1889 			offset = 0;
1890 		} else {
1891 			MMSCH_V2_0_INSERT_DIRECT_WT(
1892 				SOC15_REG_OFFSET(UVD, i,
1893 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1894 				lower_32_bits(adev->vcn.inst->gpu_addr));
1895 			MMSCH_V2_0_INSERT_DIRECT_WT(
1896 				SOC15_REG_OFFSET(UVD, i,
1897 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1898 				upper_32_bits(adev->vcn.inst->gpu_addr));
1899 			offset = size;
1900 		}
1901 
1902 		MMSCH_V2_0_INSERT_DIRECT_WT(
1903 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET0),
1904 			0);
1905 		MMSCH_V2_0_INSERT_DIRECT_WT(
1906 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE0),
1907 			size);
1908 
1909 		MMSCH_V2_0_INSERT_DIRECT_WT(
1910 			SOC15_REG_OFFSET(UVD, i,
1911 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1912 			lower_32_bits(adev->vcn.inst->gpu_addr + offset));
1913 		MMSCH_V2_0_INSERT_DIRECT_WT(
1914 			SOC15_REG_OFFSET(UVD, i,
1915 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1916 			upper_32_bits(adev->vcn.inst->gpu_addr + offset));
1917 		MMSCH_V2_0_INSERT_DIRECT_WT(
1918 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET1),
1919 			0);
1920 		MMSCH_V2_0_INSERT_DIRECT_WT(
1921 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE1),
1922 			AMDGPU_VCN_STACK_SIZE);
1923 
1924 		MMSCH_V2_0_INSERT_DIRECT_WT(
1925 			SOC15_REG_OFFSET(UVD, i,
1926 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1927 			lower_32_bits(adev->vcn.inst->gpu_addr + offset +
1928 				AMDGPU_VCN_STACK_SIZE));
1929 		MMSCH_V2_0_INSERT_DIRECT_WT(
1930 			SOC15_REG_OFFSET(UVD, i,
1931 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1932 			upper_32_bits(adev->vcn.inst->gpu_addr + offset +
1933 				AMDGPU_VCN_STACK_SIZE));
1934 		MMSCH_V2_0_INSERT_DIRECT_WT(
1935 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET2),
1936 			0);
1937 		MMSCH_V2_0_INSERT_DIRECT_WT(
1938 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE2),
1939 			AMDGPU_VCN_CONTEXT_SIZE);
1940 
1941 		for (r = 0; r < adev->vcn.num_enc_rings; ++r) {
1942 			ring = &adev->vcn.inst->ring_enc[r];
1943 			ring->wptr = 0;
1944 			MMSCH_V2_0_INSERT_DIRECT_WT(
1945 				SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_LO),
1946 				lower_32_bits(ring->gpu_addr));
1947 			MMSCH_V2_0_INSERT_DIRECT_WT(
1948 				SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_HI),
1949 				upper_32_bits(ring->gpu_addr));
1950 			MMSCH_V2_0_INSERT_DIRECT_WT(
1951 				SOC15_REG_OFFSET(UVD, i, mmUVD_RB_SIZE),
1952 				ring->ring_size / 4);
1953 		}
1954 
1955 		ring = &adev->vcn.inst->ring_dec;
1956 		ring->wptr = 0;
1957 		MMSCH_V2_0_INSERT_DIRECT_WT(
1958 			SOC15_REG_OFFSET(UVD, i,
1959 				mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
1960 			lower_32_bits(ring->gpu_addr));
1961 		MMSCH_V2_0_INSERT_DIRECT_WT(
1962 			SOC15_REG_OFFSET(UVD, i,
1963 				mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
1964 			upper_32_bits(ring->gpu_addr));
1965 		/* force RBC into idle state */
1966 		tmp = order_base_2(ring->ring_size);
1967 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, tmp);
1968 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1969 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1970 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1971 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1972 		MMSCH_V2_0_INSERT_DIRECT_WT(
1973 			SOC15_REG_OFFSET(UVD, i, mmUVD_RBC_RB_CNTL), tmp);
1974 
1975 		/* add end packet */
1976 		tmp = sizeof(struct mmsch_v2_0_cmd_end);
1977 		memcpy((void *)init_table, &end, tmp);
1978 		table_size += (tmp / 4);
1979 		header->vcn_table_size = table_size;
1980 
1981 	}
1982 	return vcn_v2_0_start_mmsch(adev, &adev->virt.mm_table);
1983 }
1984 
1985 static const struct amd_ip_funcs vcn_v2_0_ip_funcs = {
1986 	.name = "vcn_v2_0",
1987 	.early_init = vcn_v2_0_early_init,
1988 	.late_init = NULL,
1989 	.sw_init = vcn_v2_0_sw_init,
1990 	.sw_fini = vcn_v2_0_sw_fini,
1991 	.hw_init = vcn_v2_0_hw_init,
1992 	.hw_fini = vcn_v2_0_hw_fini,
1993 	.suspend = vcn_v2_0_suspend,
1994 	.resume = vcn_v2_0_resume,
1995 	.is_idle = vcn_v2_0_is_idle,
1996 	.wait_for_idle = vcn_v2_0_wait_for_idle,
1997 	.check_soft_reset = NULL,
1998 	.pre_soft_reset = NULL,
1999 	.soft_reset = NULL,
2000 	.post_soft_reset = NULL,
2001 	.set_clockgating_state = vcn_v2_0_set_clockgating_state,
2002 	.set_powergating_state = vcn_v2_0_set_powergating_state,
2003 };
2004 
2005 static const struct amdgpu_ring_funcs vcn_v2_0_dec_ring_vm_funcs = {
2006 	.type = AMDGPU_RING_TYPE_VCN_DEC,
2007 	.align_mask = 0xf,
2008 	.vmhub = AMDGPU_MMHUB_0,
2009 	.get_rptr = vcn_v2_0_dec_ring_get_rptr,
2010 	.get_wptr = vcn_v2_0_dec_ring_get_wptr,
2011 	.set_wptr = vcn_v2_0_dec_ring_set_wptr,
2012 	.emit_frame_size =
2013 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
2014 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
2015 		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
2016 		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
2017 		6,
2018 	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
2019 	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
2020 	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
2021 	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
2022 	.test_ring = vcn_v2_0_dec_ring_test_ring,
2023 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
2024 	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
2025 	.insert_start = vcn_v2_0_dec_ring_insert_start,
2026 	.insert_end = vcn_v2_0_dec_ring_insert_end,
2027 	.pad_ib = amdgpu_ring_generic_pad_ib,
2028 	.begin_use = amdgpu_vcn_ring_begin_use,
2029 	.end_use = amdgpu_vcn_ring_end_use,
2030 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
2031 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
2032 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2033 };
2034 
2035 static const struct amdgpu_ring_funcs vcn_v2_0_enc_ring_vm_funcs = {
2036 	.type = AMDGPU_RING_TYPE_VCN_ENC,
2037 	.align_mask = 0x3f,
2038 	.nop = VCN_ENC_CMD_NO_OP,
2039 	.vmhub = AMDGPU_MMHUB_0,
2040 	.get_rptr = vcn_v2_0_enc_ring_get_rptr,
2041 	.get_wptr = vcn_v2_0_enc_ring_get_wptr,
2042 	.set_wptr = vcn_v2_0_enc_ring_set_wptr,
2043 	.emit_frame_size =
2044 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2045 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
2046 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
2047 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
2048 		1, /* vcn_v2_0_enc_ring_insert_end */
2049 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
2050 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
2051 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
2052 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
2053 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
2054 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
2055 	.insert_nop = amdgpu_ring_insert_nop,
2056 	.insert_end = vcn_v2_0_enc_ring_insert_end,
2057 	.pad_ib = amdgpu_ring_generic_pad_ib,
2058 	.begin_use = amdgpu_vcn_ring_begin_use,
2059 	.end_use = amdgpu_vcn_ring_end_use,
2060 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
2061 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
2062 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2063 };
2064 
2065 static void vcn_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev)
2066 {
2067 	adev->vcn.inst->ring_dec.funcs = &vcn_v2_0_dec_ring_vm_funcs;
2068 	DRM_INFO("VCN decode is enabled in VM mode\n");
2069 }
2070 
2071 static void vcn_v2_0_set_enc_ring_funcs(struct amdgpu_device *adev)
2072 {
2073 	int i;
2074 
2075 	for (i = 0; i < adev->vcn.num_enc_rings; ++i)
2076 		adev->vcn.inst->ring_enc[i].funcs = &vcn_v2_0_enc_ring_vm_funcs;
2077 
2078 	DRM_INFO("VCN encode is enabled in VM mode\n");
2079 }
2080 
2081 static const struct amdgpu_irq_src_funcs vcn_v2_0_irq_funcs = {
2082 	.set = vcn_v2_0_set_interrupt_state,
2083 	.process = vcn_v2_0_process_interrupt,
2084 };
2085 
2086 static void vcn_v2_0_set_irq_funcs(struct amdgpu_device *adev)
2087 {
2088 	adev->vcn.inst->irq.num_types = adev->vcn.num_enc_rings + 1;
2089 	adev->vcn.inst->irq.funcs = &vcn_v2_0_irq_funcs;
2090 }
2091 
2092 const struct amdgpu_ip_block_version vcn_v2_0_ip_block =
2093 {
2094 		.type = AMD_IP_BLOCK_TYPE_VCN,
2095 		.major = 2,
2096 		.minor = 0,
2097 		.rev = 0,
2098 		.funcs = &vcn_v2_0_ip_funcs,
2099 };
2100