xref: /linux/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c (revision d6e4b3e326d8b44675b9e19534347d97073826aa)
1 /*
2  * Copyright 2016 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <linux/firmware.h>
25 #include <drm/drmP.h>
26 #include "amdgpu.h"
27 #include "amdgpu_vcn.h"
28 #include "soc15.h"
29 #include "soc15d.h"
30 #include "soc15_common.h"
31 
32 #include "vcn/vcn_1_0_offset.h"
33 #include "vcn/vcn_1_0_sh_mask.h"
34 #include "hdp/hdp_4_0_offset.h"
35 #include "mmhub/mmhub_9_1_offset.h"
36 #include "mmhub/mmhub_9_1_sh_mask.h"
37 
38 #include "ivsrcid/vcn/irqsrcs_vcn_1_0.h"
39 
40 #define mmUVD_RBC_XX_IB_REG_CHECK				0x05ab
41 #define mmUVD_RBC_XX_IB_REG_CHECK_BASE_IDX	1
42 #define mmUVD_REG_XX_MASK							0x05ac
43 #define mmUVD_REG_XX_MASK_BASE_IDX				1
44 
45 static int vcn_v1_0_stop(struct amdgpu_device *adev);
46 static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev);
47 static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev);
48 static void vcn_v1_0_set_jpeg_ring_funcs(struct amdgpu_device *adev);
49 static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev);
50 static void vcn_v1_0_jpeg_ring_set_patch_ring(struct amdgpu_ring *ring, uint32_t ptr);
51 static int vcn_v1_0_set_powergating_state(void *handle, enum amd_powergating_state state);
52 
53 /**
54  * vcn_v1_0_early_init - set function pointers
55  *
56  * @handle: amdgpu_device pointer
57  *
58  * Set ring and irq function pointers
59  */
60 static int vcn_v1_0_early_init(void *handle)
61 {
62 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
63 
64 	adev->vcn.num_enc_rings = 2;
65 
66 	vcn_v1_0_set_dec_ring_funcs(adev);
67 	vcn_v1_0_set_enc_ring_funcs(adev);
68 	vcn_v1_0_set_jpeg_ring_funcs(adev);
69 	vcn_v1_0_set_irq_funcs(adev);
70 
71 	return 0;
72 }
73 
74 /**
75  * vcn_v1_0_sw_init - sw init for VCN block
76  *
77  * @handle: amdgpu_device pointer
78  *
79  * Load firmware and sw initialization
80  */
81 static int vcn_v1_0_sw_init(void *handle)
82 {
83 	struct amdgpu_ring *ring;
84 	int i, r;
85 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
86 
87 	/* VCN DEC TRAP */
88 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, VCN_1_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.irq);
89 	if (r)
90 		return r;
91 
92 	/* VCN ENC TRAP */
93 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
94 		r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, i + VCN_1_0__SRCID__UVD_ENC_GENERAL_PURPOSE,
95 					&adev->vcn.irq);
96 		if (r)
97 			return r;
98 	}
99 
100 	/* VCN JPEG TRAP */
101 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, 126, &adev->vcn.irq);
102 	if (r)
103 		return r;
104 
105 	r = amdgpu_vcn_sw_init(adev);
106 	if (r)
107 		return r;
108 
109 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
110 		const struct common_firmware_header *hdr;
111 		hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
112 		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].ucode_id = AMDGPU_UCODE_ID_VCN;
113 		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].fw = adev->vcn.fw;
114 		adev->firmware.fw_size +=
115 			ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
116 		DRM_INFO("PSP loading VCN firmware\n");
117 	}
118 
119 	r = amdgpu_vcn_resume(adev);
120 	if (r)
121 		return r;
122 
123 	ring = &adev->vcn.ring_dec;
124 	sprintf(ring->name, "vcn_dec");
125 	r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0);
126 	if (r)
127 		return r;
128 
129 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
130 		ring = &adev->vcn.ring_enc[i];
131 		sprintf(ring->name, "vcn_enc%d", i);
132 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0);
133 		if (r)
134 			return r;
135 	}
136 
137 	ring = &adev->vcn.ring_jpeg;
138 	sprintf(ring->name, "vcn_jpeg");
139 	r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0);
140 	if (r)
141 		return r;
142 
143 	return r;
144 }
145 
146 /**
147  * vcn_v1_0_sw_fini - sw fini for VCN block
148  *
149  * @handle: amdgpu_device pointer
150  *
151  * VCN suspend and free up sw allocation
152  */
153 static int vcn_v1_0_sw_fini(void *handle)
154 {
155 	int r;
156 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
157 
158 	r = amdgpu_vcn_suspend(adev);
159 	if (r)
160 		return r;
161 
162 	r = amdgpu_vcn_sw_fini(adev);
163 
164 	return r;
165 }
166 
167 /**
168  * vcn_v1_0_hw_init - start and test VCN block
169  *
170  * @handle: amdgpu_device pointer
171  *
172  * Initialize the hardware, boot up the VCPU and do some testing
173  */
174 static int vcn_v1_0_hw_init(void *handle)
175 {
176 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
177 	struct amdgpu_ring *ring = &adev->vcn.ring_dec;
178 	int i, r;
179 
180 	r = amdgpu_ring_test_helper(ring);
181 	if (r)
182 		goto done;
183 
184 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
185 		ring = &adev->vcn.ring_enc[i];
186 		ring->sched.ready = true;
187 		r = amdgpu_ring_test_helper(ring);
188 		if (r)
189 			goto done;
190 	}
191 
192 	ring = &adev->vcn.ring_jpeg;
193 	r = amdgpu_ring_test_helper(ring);
194 	if (r)
195 		goto done;
196 
197 done:
198 	if (!r)
199 		DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
200 			(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
201 
202 	return r;
203 }
204 
205 /**
206  * vcn_v1_0_hw_fini - stop the hardware block
207  *
208  * @handle: amdgpu_device pointer
209  *
210  * Stop the VCN block, mark ring as not ready any more
211  */
212 static int vcn_v1_0_hw_fini(void *handle)
213 {
214 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
215 	struct amdgpu_ring *ring = &adev->vcn.ring_dec;
216 
217 	if (RREG32_SOC15(VCN, 0, mmUVD_STATUS))
218 		vcn_v1_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
219 
220 	ring->sched.ready = false;
221 
222 	return 0;
223 }
224 
225 /**
226  * vcn_v1_0_suspend - suspend VCN block
227  *
228  * @handle: amdgpu_device pointer
229  *
230  * HW fini and suspend VCN block
231  */
232 static int vcn_v1_0_suspend(void *handle)
233 {
234 	int r;
235 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
236 
237 	r = vcn_v1_0_hw_fini(adev);
238 	if (r)
239 		return r;
240 
241 	r = amdgpu_vcn_suspend(adev);
242 
243 	return r;
244 }
245 
246 /**
247  * vcn_v1_0_resume - resume VCN block
248  *
249  * @handle: amdgpu_device pointer
250  *
251  * Resume firmware and hw init VCN block
252  */
253 static int vcn_v1_0_resume(void *handle)
254 {
255 	int r;
256 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
257 
258 	r = amdgpu_vcn_resume(adev);
259 	if (r)
260 		return r;
261 
262 	r = vcn_v1_0_hw_init(adev);
263 
264 	return r;
265 }
266 
267 /**
268  * vcn_v1_0_mc_resume_spg_mode - memory controller programming
269  *
270  * @adev: amdgpu_device pointer
271  *
272  * Let the VCN memory controller know it's offsets
273  */
274 static void vcn_v1_0_mc_resume_spg_mode(struct amdgpu_device *adev)
275 {
276 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
277 	uint32_t offset;
278 
279 	/* cache window 0: fw */
280 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
281 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
282 			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo));
283 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
284 			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi));
285 		WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0);
286 		offset = 0;
287 	} else {
288 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
289 			lower_32_bits(adev->vcn.gpu_addr));
290 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
291 			upper_32_bits(adev->vcn.gpu_addr));
292 		offset = size;
293 		WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
294 			     AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
295 	}
296 
297 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size);
298 
299 	/* cache window 1: stack */
300 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
301 		     lower_32_bits(adev->vcn.gpu_addr + offset));
302 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
303 		     upper_32_bits(adev->vcn.gpu_addr + offset));
304 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0);
305 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
306 
307 	/* cache window 2: context */
308 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
309 		     lower_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
310 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
311 		     upper_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
312 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0);
313 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
314 
315 	WREG32_SOC15(UVD, 0, mmUVD_UDEC_ADDR_CONFIG,
316 			adev->gfx.config.gb_addr_config);
317 	WREG32_SOC15(UVD, 0, mmUVD_UDEC_DB_ADDR_CONFIG,
318 			adev->gfx.config.gb_addr_config);
319 	WREG32_SOC15(UVD, 0, mmUVD_UDEC_DBW_ADDR_CONFIG,
320 			adev->gfx.config.gb_addr_config);
321 	WREG32_SOC15(UVD, 0, mmUVD_UDEC_DBW_UV_ADDR_CONFIG,
322 			adev->gfx.config.gb_addr_config);
323 	WREG32_SOC15(UVD, 0, mmUVD_MIF_CURR_ADDR_CONFIG,
324 			adev->gfx.config.gb_addr_config);
325 	WREG32_SOC15(UVD, 0, mmUVD_MIF_CURR_UV_ADDR_CONFIG,
326 			adev->gfx.config.gb_addr_config);
327 	WREG32_SOC15(UVD, 0, mmUVD_MIF_RECON1_ADDR_CONFIG,
328 			adev->gfx.config.gb_addr_config);
329 	WREG32_SOC15(UVD, 0, mmUVD_MIF_RECON1_UV_ADDR_CONFIG,
330 			adev->gfx.config.gb_addr_config);
331 	WREG32_SOC15(UVD, 0, mmUVD_MIF_REF_ADDR_CONFIG,
332 			adev->gfx.config.gb_addr_config);
333 	WREG32_SOC15(UVD, 0, mmUVD_MIF_REF_UV_ADDR_CONFIG,
334 			adev->gfx.config.gb_addr_config);
335 	WREG32_SOC15(UVD, 0, mmUVD_JPEG_ADDR_CONFIG,
336 			adev->gfx.config.gb_addr_config);
337 	WREG32_SOC15(UVD, 0, mmUVD_JPEG_UV_ADDR_CONFIG,
338 			adev->gfx.config.gb_addr_config);
339 }
340 
341 static void vcn_v1_0_mc_resume_dpg_mode(struct amdgpu_device *adev)
342 {
343 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
344 	uint32_t offset;
345 
346 	/* cache window 0: fw */
347 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
348 		WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
349 			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo),
350 			     0xFFFFFFFF, 0);
351 		WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
352 			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi),
353 			     0xFFFFFFFF, 0);
354 		WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0,
355 			     0xFFFFFFFF, 0);
356 		offset = 0;
357 	} else {
358 		WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
359 			lower_32_bits(adev->vcn.gpu_addr), 0xFFFFFFFF, 0);
360 		WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
361 			upper_32_bits(adev->vcn.gpu_addr), 0xFFFFFFFF, 0);
362 		offset = size;
363 		WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
364 			     AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0xFFFFFFFF, 0);
365 	}
366 
367 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size, 0xFFFFFFFF, 0);
368 
369 	/* cache window 1: stack */
370 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
371 		     lower_32_bits(adev->vcn.gpu_addr + offset), 0xFFFFFFFF, 0);
372 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
373 		     upper_32_bits(adev->vcn.gpu_addr + offset), 0xFFFFFFFF, 0);
374 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0,
375 			     0xFFFFFFFF, 0);
376 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE,
377 			     0xFFFFFFFF, 0);
378 
379 	/* cache window 2: context */
380 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
381 		     lower_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE),
382 			     0xFFFFFFFF, 0);
383 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
384 		     upper_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE),
385 			     0xFFFFFFFF, 0);
386 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0, 0xFFFFFFFF, 0);
387 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE,
388 			     0xFFFFFFFF, 0);
389 
390 	/* VCN global tiling registers */
391 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_UDEC_ADDR_CONFIG,
392 			adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
393 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_UDEC_DB_ADDR_CONFIG,
394 			adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
395 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_UDEC_DBW_ADDR_CONFIG,
396 			adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
397 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_UDEC_DBW_UV_ADDR_CONFIG,
398 		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
399 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MIF_CURR_ADDR_CONFIG,
400 		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
401 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MIF_CURR_UV_ADDR_CONFIG,
402 		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
403 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MIF_RECON1_ADDR_CONFIG,
404 		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
405 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MIF_RECON1_UV_ADDR_CONFIG,
406 		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
407 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MIF_REF_ADDR_CONFIG,
408 		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
409 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MIF_REF_UV_ADDR_CONFIG,
410 		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
411 }
412 
413 /**
414  * vcn_v1_0_disable_clock_gating - disable VCN clock gating
415  *
416  * @adev: amdgpu_device pointer
417  * @sw: enable SW clock gating
418  *
419  * Disable clock gating for VCN block
420  */
421 static void vcn_v1_0_disable_clock_gating(struct amdgpu_device *adev)
422 {
423 	uint32_t data;
424 
425 	/* JPEG disable CGC */
426 	data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL);
427 
428 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
429 		data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
430 	else
431 		data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE_MASK;
432 
433 	data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
434 	data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
435 	WREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL, data);
436 
437 	data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE);
438 	data &= ~(JPEG_CGC_GATE__JPEG_MASK | JPEG_CGC_GATE__JPEG2_MASK);
439 	WREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE, data);
440 
441 	/* UVD disable CGC */
442 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
443 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
444 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
445 	else
446 		data &= ~ UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
447 
448 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
449 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
450 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
451 
452 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_GATE);
453 	data &= ~(UVD_CGC_GATE__SYS_MASK
454 		| UVD_CGC_GATE__UDEC_MASK
455 		| UVD_CGC_GATE__MPEG2_MASK
456 		| UVD_CGC_GATE__REGS_MASK
457 		| UVD_CGC_GATE__RBC_MASK
458 		| UVD_CGC_GATE__LMI_MC_MASK
459 		| UVD_CGC_GATE__LMI_UMC_MASK
460 		| UVD_CGC_GATE__IDCT_MASK
461 		| UVD_CGC_GATE__MPRD_MASK
462 		| UVD_CGC_GATE__MPC_MASK
463 		| UVD_CGC_GATE__LBSI_MASK
464 		| UVD_CGC_GATE__LRBBM_MASK
465 		| UVD_CGC_GATE__UDEC_RE_MASK
466 		| UVD_CGC_GATE__UDEC_CM_MASK
467 		| UVD_CGC_GATE__UDEC_IT_MASK
468 		| UVD_CGC_GATE__UDEC_DB_MASK
469 		| UVD_CGC_GATE__UDEC_MP_MASK
470 		| UVD_CGC_GATE__WCB_MASK
471 		| UVD_CGC_GATE__VCPU_MASK
472 		| UVD_CGC_GATE__SCPU_MASK);
473 	WREG32_SOC15(VCN, 0, mmUVD_CGC_GATE, data);
474 
475 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
476 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
477 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
478 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
479 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
480 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
481 		| UVD_CGC_CTRL__SYS_MODE_MASK
482 		| UVD_CGC_CTRL__UDEC_MODE_MASK
483 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
484 		| UVD_CGC_CTRL__REGS_MODE_MASK
485 		| UVD_CGC_CTRL__RBC_MODE_MASK
486 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
487 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
488 		| UVD_CGC_CTRL__IDCT_MODE_MASK
489 		| UVD_CGC_CTRL__MPRD_MODE_MASK
490 		| UVD_CGC_CTRL__MPC_MODE_MASK
491 		| UVD_CGC_CTRL__LBSI_MODE_MASK
492 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
493 		| UVD_CGC_CTRL__WCB_MODE_MASK
494 		| UVD_CGC_CTRL__VCPU_MODE_MASK
495 		| UVD_CGC_CTRL__SCPU_MODE_MASK);
496 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
497 
498 	/* turn on */
499 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE);
500 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
501 		| UVD_SUVD_CGC_GATE__SIT_MASK
502 		| UVD_SUVD_CGC_GATE__SMP_MASK
503 		| UVD_SUVD_CGC_GATE__SCM_MASK
504 		| UVD_SUVD_CGC_GATE__SDB_MASK
505 		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
506 		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
507 		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
508 		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
509 		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
510 		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
511 		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
512 		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
513 		| UVD_SUVD_CGC_GATE__SCLR_MASK
514 		| UVD_SUVD_CGC_GATE__UVD_SC_MASK
515 		| UVD_SUVD_CGC_GATE__ENT_MASK
516 		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
517 		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
518 		| UVD_SUVD_CGC_GATE__SITE_MASK
519 		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
520 		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
521 		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
522 		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
523 		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
524 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE, data);
525 
526 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
527 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
528 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
529 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
530 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
531 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
532 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
533 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
534 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
535 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
536 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
537 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
538 }
539 
540 /**
541  * vcn_v1_0_enable_clock_gating - enable VCN clock gating
542  *
543  * @adev: amdgpu_device pointer
544  * @sw: enable SW clock gating
545  *
546  * Enable clock gating for VCN block
547  */
548 static void vcn_v1_0_enable_clock_gating(struct amdgpu_device *adev)
549 {
550 	uint32_t data = 0;
551 
552 	/* enable JPEG CGC */
553 	data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL);
554 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
555 		data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
556 	else
557 		data |= 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
558 	data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
559 	data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
560 	WREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL, data);
561 
562 	data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE);
563 	data |= (JPEG_CGC_GATE__JPEG_MASK | JPEG_CGC_GATE__JPEG2_MASK);
564 	WREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE, data);
565 
566 	/* enable UVD CGC */
567 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
568 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
569 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
570 	else
571 		data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
572 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
573 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
574 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
575 
576 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
577 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
578 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
579 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
580 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
581 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
582 		| UVD_CGC_CTRL__SYS_MODE_MASK
583 		| UVD_CGC_CTRL__UDEC_MODE_MASK
584 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
585 		| UVD_CGC_CTRL__REGS_MODE_MASK
586 		| UVD_CGC_CTRL__RBC_MODE_MASK
587 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
588 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
589 		| UVD_CGC_CTRL__IDCT_MODE_MASK
590 		| UVD_CGC_CTRL__MPRD_MODE_MASK
591 		| UVD_CGC_CTRL__MPC_MODE_MASK
592 		| UVD_CGC_CTRL__LBSI_MODE_MASK
593 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
594 		| UVD_CGC_CTRL__WCB_MODE_MASK
595 		| UVD_CGC_CTRL__VCPU_MODE_MASK
596 		| UVD_CGC_CTRL__SCPU_MODE_MASK);
597 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
598 
599 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
600 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
601 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
602 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
603 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
604 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
605 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
606 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
607 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
608 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
609 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
610 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
611 }
612 
613 static void vcn_v1_0_clock_gating_dpg_mode(struct amdgpu_device *adev, uint8_t sram_sel)
614 {
615 	uint32_t reg_data = 0;
616 
617 	/* disable JPEG CGC */
618 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
619 		reg_data = 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
620 	else
621 		reg_data = 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
622 	reg_data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
623 	reg_data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
624 	WREG32_SOC15_DPG_MODE(UVD, 0, mmJPEG_CGC_CTRL, reg_data, 0xFFFFFFFF, sram_sel);
625 
626 	WREG32_SOC15_DPG_MODE(UVD, 0, mmJPEG_CGC_GATE, 0, 0xFFFFFFFF, sram_sel);
627 
628 	/* enable sw clock gating control */
629 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
630 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
631 	else
632 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
633 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
634 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
635 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
636 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
637 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
638 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
639 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
640 		 UVD_CGC_CTRL__SYS_MODE_MASK |
641 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
642 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
643 		 UVD_CGC_CTRL__REGS_MODE_MASK |
644 		 UVD_CGC_CTRL__RBC_MODE_MASK |
645 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
646 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
647 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
648 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
649 		 UVD_CGC_CTRL__MPC_MODE_MASK |
650 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
651 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
652 		 UVD_CGC_CTRL__WCB_MODE_MASK |
653 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
654 		 UVD_CGC_CTRL__SCPU_MODE_MASK);
655 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_CGC_CTRL, reg_data, 0xFFFFFFFF, sram_sel);
656 
657 	/* turn off clock gating */
658 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_CGC_GATE, 0, 0xFFFFFFFF, sram_sel);
659 
660 	/* turn on SUVD clock gating */
661 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SUVD_CGC_GATE, 1, 0xFFFFFFFF, sram_sel);
662 
663 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
664 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SUVD_CGC_CTRL, 0, 0xFFFFFFFF, sram_sel);
665 }
666 
667 static void vcn_1_0_disable_static_power_gating(struct amdgpu_device *adev)
668 {
669 	uint32_t data = 0;
670 	int ret;
671 
672 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
673 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
674 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
675 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
676 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
677 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
678 			| 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
679 			| 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
680 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
681 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
682 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
683 			| 2 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT);
684 
685 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
686 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON, 0xFFFFFF, ret);
687 	} else {
688 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
689 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
690 			| 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
691 			| 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
692 			| 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
693 			| 1 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
694 			| 1 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
695 			| 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
696 			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
697 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
698 			| 1 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT);
699 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
700 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 0,  0xFFFFFFFF, ret);
701 	}
702 
703 	/* polling UVD_PGFSM_STATUS to confirm UVDM_PWR_STATUS , UVDU_PWR_STATUS are 0 (power on) */
704 
705 	data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
706 	data &= ~0x103;
707 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
708 		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON | UVD_POWER_STATUS__UVD_PG_EN_MASK;
709 
710 	WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
711 }
712 
713 static void vcn_1_0_enable_static_power_gating(struct amdgpu_device *adev)
714 {
715 	uint32_t data = 0;
716 	int ret;
717 
718 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
719 		/* Before power off, this indicator has to be turned on */
720 		data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
721 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
722 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
723 		WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
724 
725 
726 		data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
727 			| 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
728 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
729 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
730 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
731 			| 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
732 			| 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
733 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
734 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
735 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
736 			| 2 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT);
737 
738 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
739 
740 		data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
741 			| 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT
742 			| 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
743 			| 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT
744 			| 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
745 			| 2 << UVD_PGFSM_STATUS__UVDIL_PWR_STATUS__SHIFT
746 			| 2 << UVD_PGFSM_STATUS__UVDIR_PWR_STATUS__SHIFT
747 			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
748 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
749 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT
750 			| 2 << UVD_PGFSM_STATUS__UVDW_PWR_STATUS__SHIFT);
751 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, data, 0xFFFFFFFF, ret);
752 	}
753 }
754 
755 /**
756  * vcn_v1_0_start - start VCN block
757  *
758  * @adev: amdgpu_device pointer
759  *
760  * Setup and start the VCN block
761  */
762 static int vcn_v1_0_start_spg_mode(struct amdgpu_device *adev)
763 {
764 	struct amdgpu_ring *ring = &adev->vcn.ring_dec;
765 	uint32_t rb_bufsz, tmp;
766 	uint32_t lmi_swap_cntl;
767 	int i, j, r;
768 
769 	/* disable byte swapping */
770 	lmi_swap_cntl = 0;
771 
772 	vcn_1_0_disable_static_power_gating(adev);
773 
774 	tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
775 	WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
776 
777 	/* disable clock gating */
778 	vcn_v1_0_disable_clock_gating(adev);
779 
780 	/* disable interupt */
781 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0,
782 			~UVD_MASTINT_EN__VCPU_EN_MASK);
783 
784 	/* initialize VCN memory controller */
785 	tmp = RREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL);
786 	WREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL, tmp		|
787 		UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
788 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK			|
789 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK		|
790 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
791 
792 #ifdef __BIG_ENDIAN
793 	/* swap (8 in 32) RB and IB */
794 	lmi_swap_cntl = 0xa;
795 #endif
796 	WREG32_SOC15(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
797 
798 	tmp = RREG32_SOC15(UVD, 0, mmUVD_MPC_CNTL);
799 	tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
800 	tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
801 	WREG32_SOC15(UVD, 0, mmUVD_MPC_CNTL, tmp);
802 
803 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA0,
804 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
805 		(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
806 		(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
807 		(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
808 
809 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB0,
810 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
811 		(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
812 		(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
813 		(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
814 
815 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUX,
816 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
817 		(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
818 		(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
819 
820 	vcn_v1_0_mc_resume_spg_mode(adev);
821 
822 	WREG32_SOC15(UVD, 0, mmUVD_REG_XX_MASK, 0x10);
823 	WREG32_SOC15(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK,
824 		RREG32_SOC15(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK) | 0x3);
825 
826 	/* enable VCPU clock */
827 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CNTL, UVD_VCPU_CNTL__CLK_EN_MASK);
828 
829 	/* boot up the VCPU */
830 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
831 			~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
832 
833 	/* enable UMC */
834 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0,
835 			~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
836 
837 	tmp = RREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET);
838 	tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
839 	tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
840 	WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, tmp);
841 
842 	for (i = 0; i < 10; ++i) {
843 		uint32_t status;
844 
845 		for (j = 0; j < 100; ++j) {
846 			status = RREG32_SOC15(UVD, 0, mmUVD_STATUS);
847 			if (status & UVD_STATUS__IDLE)
848 				break;
849 			mdelay(10);
850 		}
851 		r = 0;
852 		if (status & UVD_STATUS__IDLE)
853 			break;
854 
855 		DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
856 		WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
857 				UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
858 				~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
859 		mdelay(10);
860 		WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
861 				~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
862 		mdelay(10);
863 		r = -1;
864 	}
865 
866 	if (r) {
867 		DRM_ERROR("VCN decode not responding, giving up!!!\n");
868 		return r;
869 	}
870 	/* enable master interrupt */
871 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN),
872 		UVD_MASTINT_EN__VCPU_EN_MASK, ~UVD_MASTINT_EN__VCPU_EN_MASK);
873 
874 	/* enable system interrupt for JRBC, TODO: move to set interrupt*/
875 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SYS_INT_EN),
876 		UVD_SYS_INT_EN__UVD_JRBC_EN_MASK,
877 		~UVD_SYS_INT_EN__UVD_JRBC_EN_MASK);
878 
879 	/* clear the busy bit of UVD_STATUS */
880 	tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) & ~UVD_STATUS__UVD_BUSY;
881 	WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
882 
883 	/* force RBC into idle state */
884 	rb_bufsz = order_base_2(ring->ring_size);
885 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
886 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
887 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
888 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
889 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
890 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
891 
892 	/* set the write pointer delay */
893 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
894 
895 	/* set the wb address */
896 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR,
897 			(upper_32_bits(ring->gpu_addr) >> 2));
898 
899 	/* programm the RB_BASE for ring buffer */
900 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
901 			lower_32_bits(ring->gpu_addr));
902 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
903 			upper_32_bits(ring->gpu_addr));
904 
905 	/* Initialize the ring buffer's read and write pointers */
906 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
907 
908 	WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
909 
910 	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
911 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
912 			lower_32_bits(ring->wptr));
913 
914 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0,
915 			~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
916 
917 	ring = &adev->vcn.ring_enc[0];
918 	WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
919 	WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
920 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
921 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
922 	WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
923 
924 	ring = &adev->vcn.ring_enc[1];
925 	WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
926 	WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
927 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
928 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
929 	WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
930 
931 	ring = &adev->vcn.ring_jpeg;
932 	WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
933 	WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_CNTL, UVD_JRBC_RB_CNTL__RB_NO_FETCH_MASK |
934 			UVD_JRBC_RB_CNTL__RB_RPTR_WR_EN_MASK);
935 	WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW, lower_32_bits(ring->gpu_addr));
936 	WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH, upper_32_bits(ring->gpu_addr));
937 	WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_RPTR, 0);
938 	WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR, 0);
939 	WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_CNTL, UVD_JRBC_RB_CNTL__RB_RPTR_WR_EN_MASK);
940 
941 	/* initialize wptr */
942 	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
943 
944 	/* copy patch commands to the jpeg ring */
945 	vcn_v1_0_jpeg_ring_set_patch_ring(ring,
946 		(ring->wptr + ring->max_dw * amdgpu_sched_hw_submission));
947 
948 	return 0;
949 }
950 
951 static int vcn_v1_0_start_dpg_mode(struct amdgpu_device *adev)
952 {
953 	struct amdgpu_ring *ring = &adev->vcn.ring_dec;
954 	uint32_t rb_bufsz, tmp;
955 	uint32_t lmi_swap_cntl;
956 
957 	/* disable byte swapping */
958 	lmi_swap_cntl = 0;
959 
960 	vcn_1_0_enable_static_power_gating(adev);
961 
962 	/* enable dynamic power gating mode */
963 	tmp = RREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS);
964 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
965 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
966 	WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, tmp);
967 
968 	/* enable clock gating */
969 	vcn_v1_0_clock_gating_dpg_mode(adev, 0);
970 
971 	/* enable VCPU clock */
972 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
973 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
974 	tmp |= UVD_VCPU_CNTL__MIF_WR_LOW_THRESHOLD_BP_MASK;
975 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CNTL, tmp, 0xFFFFFFFF, 0);
976 
977 	/* disable interupt */
978 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MASTINT_EN,
979 			0, UVD_MASTINT_EN__VCPU_EN_MASK, 0);
980 
981 	/* initialize VCN memory controller */
982 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL,
983 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
984 		UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
985 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
986 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
987 		UVD_LMI_CTRL__REQ_MODE_MASK |
988 		UVD_LMI_CTRL__CRC_RESET_MASK |
989 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
990 		0x00100000L, 0xFFFFFFFF, 0);
991 
992 #ifdef __BIG_ENDIAN
993 	/* swap (8 in 32) RB and IB */
994 	lmi_swap_cntl = 0xa;
995 #endif
996 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl, 0xFFFFFFFF, 0);
997 
998 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MPC_CNTL,
999 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0xFFFFFFFF, 0);
1000 
1001 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MPC_SET_MUXA0,
1002 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1003 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1004 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1005 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0xFFFFFFFF, 0);
1006 
1007 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MPC_SET_MUXB0,
1008 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1009 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1010 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1011 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0xFFFFFFFF, 0);
1012 
1013 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MPC_SET_MUX,
1014 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1015 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1016 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0xFFFFFFFF, 0);
1017 
1018 	vcn_v1_0_mc_resume_dpg_mode(adev);
1019 
1020 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_REG_XX_MASK, 0x10, 0xFFFFFFFF, 0);
1021 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK, 0x3, 0xFFFFFFFF, 0);
1022 
1023 	/* boot up the VCPU */
1024 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SOFT_RESET, 0, 0xFFFFFFFF, 0);
1025 
1026 	/* enable UMC */
1027 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL2,
1028 		0x1F << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT,
1029 		0xFFFFFFFF, 0);
1030 
1031 	/* enable master interrupt */
1032 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MASTINT_EN,
1033 			UVD_MASTINT_EN__VCPU_EN_MASK, UVD_MASTINT_EN__VCPU_EN_MASK, 0);
1034 
1035 	vcn_v1_0_clock_gating_dpg_mode(adev, 1);
1036 	/* setup mmUVD_LMI_CTRL */
1037 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL,
1038 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
1039 		UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
1040 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1041 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
1042 		UVD_LMI_CTRL__REQ_MODE_MASK |
1043 		UVD_LMI_CTRL__CRC_RESET_MASK |
1044 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1045 		0x00100000L, 0xFFFFFFFF, 1);
1046 
1047 	tmp = adev->gfx.config.gb_addr_config;
1048 	/* setup VCN global tiling registers */
1049 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_JPEG_ADDR_CONFIG, tmp, 0xFFFFFFFF, 1);
1050 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_JPEG_UV_ADDR_CONFIG, tmp, 0xFFFFFFFF, 1);
1051 
1052 	/* enable System Interrupt for JRBC */
1053 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SYS_INT_EN,
1054 									UVD_SYS_INT_EN__UVD_JRBC_EN_MASK, 0xFFFFFFFF, 1);
1055 
1056 	/* force RBC into idle state */
1057 	rb_bufsz = order_base_2(ring->ring_size);
1058 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1059 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1060 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1061 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1062 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1063 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
1064 
1065 	/* set the write pointer delay */
1066 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
1067 
1068 	/* set the wb address */
1069 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR,
1070 								(upper_32_bits(ring->gpu_addr) >> 2));
1071 
1072 	/* programm the RB_BASE for ring buffer */
1073 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1074 								lower_32_bits(ring->gpu_addr));
1075 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1076 								upper_32_bits(ring->gpu_addr));
1077 
1078 	/* Initialize the ring buffer's read and write pointers */
1079 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
1080 
1081 	WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
1082 
1083 	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1084 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1085 								lower_32_bits(ring->wptr));
1086 
1087 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0,
1088 			~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
1089 
1090 	/* initialize wptr */
1091 	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
1092 
1093 	/* copy patch commands to the jpeg ring */
1094 	vcn_v1_0_jpeg_ring_set_patch_ring(ring,
1095 		(ring->wptr + ring->max_dw * amdgpu_sched_hw_submission));
1096 
1097 	return 0;
1098 }
1099 
1100 static int vcn_v1_0_start(struct amdgpu_device *adev)
1101 {
1102 	int r;
1103 
1104 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1105 		r = vcn_v1_0_start_dpg_mode(adev);
1106 	else
1107 		r = vcn_v1_0_start_spg_mode(adev);
1108 	return r;
1109 }
1110 
1111 /**
1112  * vcn_v1_0_stop - stop VCN block
1113  *
1114  * @adev: amdgpu_device pointer
1115  *
1116  * stop the VCN block
1117  */
1118 static int vcn_v1_0_stop_spg_mode(struct amdgpu_device *adev)
1119 {
1120 	int ret_code, tmp;
1121 
1122 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7, ret_code);
1123 
1124 	tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1125 		UVD_LMI_STATUS__READ_CLEAN_MASK |
1126 		UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1127 		UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1128 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp, ret_code);
1129 
1130 	/* put VCPU into reset */
1131 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1132 		UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
1133 		~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1134 
1135 	tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
1136 		UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1137 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp, ret_code);
1138 
1139 	/* disable VCPU clock */
1140 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 0,
1141 		~UVD_VCPU_CNTL__CLK_EN_MASK);
1142 
1143 	/* reset LMI UMC/LMI */
1144 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1145 		UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK,
1146 		~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
1147 
1148 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1149 		UVD_SOFT_RESET__LMI_SOFT_RESET_MASK,
1150 		~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK);
1151 
1152 	WREG32_SOC15(UVD, 0, mmUVD_STATUS, 0);
1153 
1154 	vcn_v1_0_enable_clock_gating(adev);
1155 	vcn_1_0_enable_static_power_gating(adev);
1156 	return 0;
1157 }
1158 
1159 static int vcn_v1_0_stop_dpg_mode(struct amdgpu_device *adev)
1160 {
1161 	int ret_code = 0;
1162 
1163 	/* Wait for power status to be UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF */
1164 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1165 			UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
1166 			UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
1167 
1168 	if (!ret_code) {
1169 		int tmp = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1170 		/* wait for read ptr to be equal to write ptr */
1171 		SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
1172 
1173 		SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1174 			UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
1175 			UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
1176 	}
1177 
1178 	/* disable dynamic power gating mode */
1179 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0,
1180 			~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1181 
1182 	return 0;
1183 }
1184 
1185 static int vcn_v1_0_stop(struct amdgpu_device *adev)
1186 {
1187 	int r;
1188 
1189 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1190 		r = vcn_v1_0_stop_dpg_mode(adev);
1191 	else
1192 		r = vcn_v1_0_stop_spg_mode(adev);
1193 
1194 	return r;
1195 }
1196 
1197 static bool vcn_v1_0_is_idle(void *handle)
1198 {
1199 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1200 
1201 	return (RREG32_SOC15(VCN, 0, mmUVD_STATUS) == UVD_STATUS__IDLE);
1202 }
1203 
1204 static int vcn_v1_0_wait_for_idle(void *handle)
1205 {
1206 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1207 	int ret = 0;
1208 
1209 	SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE,
1210 		UVD_STATUS__IDLE, ret);
1211 
1212 	return ret;
1213 }
1214 
1215 static int vcn_v1_0_set_clockgating_state(void *handle,
1216 					  enum amd_clockgating_state state)
1217 {
1218 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1219 	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
1220 
1221 	if (enable) {
1222 		/* wait for STATUS to clear */
1223 		if (vcn_v1_0_is_idle(handle))
1224 			return -EBUSY;
1225 		vcn_v1_0_enable_clock_gating(adev);
1226 	} else {
1227 		/* disable HW gating and enable Sw gating */
1228 		vcn_v1_0_disable_clock_gating(adev);
1229 	}
1230 	return 0;
1231 }
1232 
1233 /**
1234  * vcn_v1_0_dec_ring_get_rptr - get read pointer
1235  *
1236  * @ring: amdgpu_ring pointer
1237  *
1238  * Returns the current hardware read pointer
1239  */
1240 static uint64_t vcn_v1_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
1241 {
1242 	struct amdgpu_device *adev = ring->adev;
1243 
1244 	return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1245 }
1246 
1247 /**
1248  * vcn_v1_0_dec_ring_get_wptr - get write pointer
1249  *
1250  * @ring: amdgpu_ring pointer
1251  *
1252  * Returns the current hardware write pointer
1253  */
1254 static uint64_t vcn_v1_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
1255 {
1256 	struct amdgpu_device *adev = ring->adev;
1257 
1258 	return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR);
1259 }
1260 
1261 /**
1262  * vcn_v1_0_dec_ring_set_wptr - set write pointer
1263  *
1264  * @ring: amdgpu_ring pointer
1265  *
1266  * Commits the write pointer to the hardware
1267  */
1268 static void vcn_v1_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
1269 {
1270 	struct amdgpu_device *adev = ring->adev;
1271 
1272 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1273 		WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2,
1274 			lower_32_bits(ring->wptr) | 0x80000000);
1275 
1276 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1277 }
1278 
1279 /**
1280  * vcn_v1_0_dec_ring_insert_start - insert a start command
1281  *
1282  * @ring: amdgpu_ring pointer
1283  *
1284  * Write a start command to the ring.
1285  */
1286 static void vcn_v1_0_dec_ring_insert_start(struct amdgpu_ring *ring)
1287 {
1288 	struct amdgpu_device *adev = ring->adev;
1289 
1290 	amdgpu_ring_write(ring,
1291 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1292 	amdgpu_ring_write(ring, 0);
1293 	amdgpu_ring_write(ring,
1294 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1295 	amdgpu_ring_write(ring, VCN_DEC_CMD_PACKET_START << 1);
1296 }
1297 
1298 /**
1299  * vcn_v1_0_dec_ring_insert_end - insert a end command
1300  *
1301  * @ring: amdgpu_ring pointer
1302  *
1303  * Write a end command to the ring.
1304  */
1305 static void vcn_v1_0_dec_ring_insert_end(struct amdgpu_ring *ring)
1306 {
1307 	struct amdgpu_device *adev = ring->adev;
1308 
1309 	amdgpu_ring_write(ring,
1310 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1311 	amdgpu_ring_write(ring, VCN_DEC_CMD_PACKET_END << 1);
1312 }
1313 
1314 /**
1315  * vcn_v1_0_dec_ring_emit_fence - emit an fence & trap command
1316  *
1317  * @ring: amdgpu_ring pointer
1318  * @fence: fence to emit
1319  *
1320  * Write a fence and a trap command to the ring.
1321  */
1322 static void vcn_v1_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
1323 				     unsigned flags)
1324 {
1325 	struct amdgpu_device *adev = ring->adev;
1326 
1327 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1328 
1329 	amdgpu_ring_write(ring,
1330 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0));
1331 	amdgpu_ring_write(ring, seq);
1332 	amdgpu_ring_write(ring,
1333 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1334 	amdgpu_ring_write(ring, addr & 0xffffffff);
1335 	amdgpu_ring_write(ring,
1336 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1337 	amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
1338 	amdgpu_ring_write(ring,
1339 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1340 	amdgpu_ring_write(ring, VCN_DEC_CMD_FENCE << 1);
1341 
1342 	amdgpu_ring_write(ring,
1343 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1344 	amdgpu_ring_write(ring, 0);
1345 	amdgpu_ring_write(ring,
1346 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1347 	amdgpu_ring_write(ring, 0);
1348 	amdgpu_ring_write(ring,
1349 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1350 	amdgpu_ring_write(ring, VCN_DEC_CMD_TRAP << 1);
1351 }
1352 
1353 /**
1354  * vcn_v1_0_dec_ring_emit_ib - execute indirect buffer
1355  *
1356  * @ring: amdgpu_ring pointer
1357  * @ib: indirect buffer to execute
1358  *
1359  * Write ring commands to execute the indirect buffer
1360  */
1361 static void vcn_v1_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
1362 					struct amdgpu_job *job,
1363 					struct amdgpu_ib *ib,
1364 					bool ctx_switch)
1365 {
1366 	struct amdgpu_device *adev = ring->adev;
1367 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1368 
1369 	amdgpu_ring_write(ring,
1370 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_VMID), 0));
1371 	amdgpu_ring_write(ring, vmid);
1372 
1373 	amdgpu_ring_write(ring,
1374 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_64BIT_BAR_LOW), 0));
1375 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1376 	amdgpu_ring_write(ring,
1377 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH), 0));
1378 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1379 	amdgpu_ring_write(ring,
1380 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_IB_SIZE), 0));
1381 	amdgpu_ring_write(ring, ib->length_dw);
1382 }
1383 
1384 static void vcn_v1_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring,
1385 					    uint32_t reg, uint32_t val,
1386 					    uint32_t mask)
1387 {
1388 	struct amdgpu_device *adev = ring->adev;
1389 
1390 	amdgpu_ring_write(ring,
1391 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1392 	amdgpu_ring_write(ring, reg << 2);
1393 	amdgpu_ring_write(ring,
1394 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1395 	amdgpu_ring_write(ring, val);
1396 	amdgpu_ring_write(ring,
1397 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GP_SCRATCH8), 0));
1398 	amdgpu_ring_write(ring, mask);
1399 	amdgpu_ring_write(ring,
1400 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1401 	amdgpu_ring_write(ring, VCN_DEC_CMD_REG_READ_COND_WAIT << 1);
1402 }
1403 
1404 static void vcn_v1_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
1405 					    unsigned vmid, uint64_t pd_addr)
1406 {
1407 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1408 	uint32_t data0, data1, mask;
1409 
1410 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1411 
1412 	/* wait for register write */
1413 	data0 = hub->ctx0_ptb_addr_lo32 + vmid * 2;
1414 	data1 = lower_32_bits(pd_addr);
1415 	mask = 0xffffffff;
1416 	vcn_v1_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
1417 }
1418 
1419 static void vcn_v1_0_dec_ring_emit_wreg(struct amdgpu_ring *ring,
1420 					uint32_t reg, uint32_t val)
1421 {
1422 	struct amdgpu_device *adev = ring->adev;
1423 
1424 	amdgpu_ring_write(ring,
1425 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1426 	amdgpu_ring_write(ring, reg << 2);
1427 	amdgpu_ring_write(ring,
1428 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1429 	amdgpu_ring_write(ring, val);
1430 	amdgpu_ring_write(ring,
1431 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1432 	amdgpu_ring_write(ring, VCN_DEC_CMD_WRITE_REG << 1);
1433 }
1434 
1435 /**
1436  * vcn_v1_0_enc_ring_get_rptr - get enc read pointer
1437  *
1438  * @ring: amdgpu_ring pointer
1439  *
1440  * Returns the current hardware enc read pointer
1441  */
1442 static uint64_t vcn_v1_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
1443 {
1444 	struct amdgpu_device *adev = ring->adev;
1445 
1446 	if (ring == &adev->vcn.ring_enc[0])
1447 		return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR);
1448 	else
1449 		return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2);
1450 }
1451 
1452  /**
1453  * vcn_v1_0_enc_ring_get_wptr - get enc write pointer
1454  *
1455  * @ring: amdgpu_ring pointer
1456  *
1457  * Returns the current hardware enc write pointer
1458  */
1459 static uint64_t vcn_v1_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
1460 {
1461 	struct amdgpu_device *adev = ring->adev;
1462 
1463 	if (ring == &adev->vcn.ring_enc[0])
1464 		return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
1465 	else
1466 		return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
1467 }
1468 
1469  /**
1470  * vcn_v1_0_enc_ring_set_wptr - set enc write pointer
1471  *
1472  * @ring: amdgpu_ring pointer
1473  *
1474  * Commits the enc write pointer to the hardware
1475  */
1476 static void vcn_v1_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
1477 {
1478 	struct amdgpu_device *adev = ring->adev;
1479 
1480 	if (ring == &adev->vcn.ring_enc[0])
1481 		WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR,
1482 			lower_32_bits(ring->wptr));
1483 	else
1484 		WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2,
1485 			lower_32_bits(ring->wptr));
1486 }
1487 
1488 /**
1489  * vcn_v1_0_enc_ring_emit_fence - emit an enc fence & trap command
1490  *
1491  * @ring: amdgpu_ring pointer
1492  * @fence: fence to emit
1493  *
1494  * Write enc a fence and a trap command to the ring.
1495  */
1496 static void vcn_v1_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
1497 			u64 seq, unsigned flags)
1498 {
1499 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1500 
1501 	amdgpu_ring_write(ring, VCN_ENC_CMD_FENCE);
1502 	amdgpu_ring_write(ring, addr);
1503 	amdgpu_ring_write(ring, upper_32_bits(addr));
1504 	amdgpu_ring_write(ring, seq);
1505 	amdgpu_ring_write(ring, VCN_ENC_CMD_TRAP);
1506 }
1507 
1508 static void vcn_v1_0_enc_ring_insert_end(struct amdgpu_ring *ring)
1509 {
1510 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
1511 }
1512 
1513 /**
1514  * vcn_v1_0_enc_ring_emit_ib - enc execute indirect buffer
1515  *
1516  * @ring: amdgpu_ring pointer
1517  * @ib: indirect buffer to execute
1518  *
1519  * Write enc ring commands to execute the indirect buffer
1520  */
1521 static void vcn_v1_0_enc_ring_emit_ib(struct amdgpu_ring *ring,
1522 					struct amdgpu_job *job,
1523 					struct amdgpu_ib *ib,
1524 					bool ctx_switch)
1525 {
1526 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1527 
1528 	amdgpu_ring_write(ring, VCN_ENC_CMD_IB);
1529 	amdgpu_ring_write(ring, vmid);
1530 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1531 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1532 	amdgpu_ring_write(ring, ib->length_dw);
1533 }
1534 
1535 static void vcn_v1_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring,
1536 					    uint32_t reg, uint32_t val,
1537 					    uint32_t mask)
1538 {
1539 	amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT);
1540 	amdgpu_ring_write(ring, reg << 2);
1541 	amdgpu_ring_write(ring, mask);
1542 	amdgpu_ring_write(ring, val);
1543 }
1544 
1545 static void vcn_v1_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
1546 					    unsigned int vmid, uint64_t pd_addr)
1547 {
1548 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1549 
1550 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1551 
1552 	/* wait for reg writes */
1553 	vcn_v1_0_enc_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 + vmid * 2,
1554 					lower_32_bits(pd_addr), 0xffffffff);
1555 }
1556 
1557 static void vcn_v1_0_enc_ring_emit_wreg(struct amdgpu_ring *ring,
1558 					uint32_t reg, uint32_t val)
1559 {
1560 	amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
1561 	amdgpu_ring_write(ring,	reg << 2);
1562 	amdgpu_ring_write(ring, val);
1563 }
1564 
1565 
1566 /**
1567  * vcn_v1_0_jpeg_ring_get_rptr - get read pointer
1568  *
1569  * @ring: amdgpu_ring pointer
1570  *
1571  * Returns the current hardware read pointer
1572  */
1573 static uint64_t vcn_v1_0_jpeg_ring_get_rptr(struct amdgpu_ring *ring)
1574 {
1575 	struct amdgpu_device *adev = ring->adev;
1576 
1577 	return RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_RPTR);
1578 }
1579 
1580 /**
1581  * vcn_v1_0_jpeg_ring_get_wptr - get write pointer
1582  *
1583  * @ring: amdgpu_ring pointer
1584  *
1585  * Returns the current hardware write pointer
1586  */
1587 static uint64_t vcn_v1_0_jpeg_ring_get_wptr(struct amdgpu_ring *ring)
1588 {
1589 	struct amdgpu_device *adev = ring->adev;
1590 
1591 	return RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
1592 }
1593 
1594 /**
1595  * vcn_v1_0_jpeg_ring_set_wptr - set write pointer
1596  *
1597  * @ring: amdgpu_ring pointer
1598  *
1599  * Commits the write pointer to the hardware
1600  */
1601 static void vcn_v1_0_jpeg_ring_set_wptr(struct amdgpu_ring *ring)
1602 {
1603 	struct amdgpu_device *adev = ring->adev;
1604 
1605 	WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
1606 }
1607 
1608 /**
1609  * vcn_v1_0_jpeg_ring_insert_start - insert a start command
1610  *
1611  * @ring: amdgpu_ring pointer
1612  *
1613  * Write a start command to the ring.
1614  */
1615 static void vcn_v1_0_jpeg_ring_insert_start(struct amdgpu_ring *ring)
1616 {
1617 	struct amdgpu_device *adev = ring->adev;
1618 
1619 	amdgpu_ring_write(ring,
1620 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
1621 	amdgpu_ring_write(ring, 0x68e04);
1622 
1623 	amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE0));
1624 	amdgpu_ring_write(ring, 0x80010000);
1625 }
1626 
1627 /**
1628  * vcn_v1_0_jpeg_ring_insert_end - insert a end command
1629  *
1630  * @ring: amdgpu_ring pointer
1631  *
1632  * Write a end command to the ring.
1633  */
1634 static void vcn_v1_0_jpeg_ring_insert_end(struct amdgpu_ring *ring)
1635 {
1636 	struct amdgpu_device *adev = ring->adev;
1637 
1638 	amdgpu_ring_write(ring,
1639 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
1640 	amdgpu_ring_write(ring, 0x68e04);
1641 
1642 	amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE0));
1643 	amdgpu_ring_write(ring, 0x00010000);
1644 }
1645 
1646 /**
1647  * vcn_v1_0_jpeg_ring_emit_fence - emit an fence & trap command
1648  *
1649  * @ring: amdgpu_ring pointer
1650  * @fence: fence to emit
1651  *
1652  * Write a fence and a trap command to the ring.
1653  */
1654 static void vcn_v1_0_jpeg_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
1655 				     unsigned flags)
1656 {
1657 	struct amdgpu_device *adev = ring->adev;
1658 
1659 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1660 
1661 	amdgpu_ring_write(ring,
1662 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_GPCOM_DATA0), 0, 0, PACKETJ_TYPE0));
1663 	amdgpu_ring_write(ring, seq);
1664 
1665 	amdgpu_ring_write(ring,
1666 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_GPCOM_DATA1), 0, 0, PACKETJ_TYPE0));
1667 	amdgpu_ring_write(ring, seq);
1668 
1669 	amdgpu_ring_write(ring,
1670 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
1671 	amdgpu_ring_write(ring, lower_32_bits(addr));
1672 
1673 	amdgpu_ring_write(ring,
1674 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
1675 	amdgpu_ring_write(ring, upper_32_bits(addr));
1676 
1677 	amdgpu_ring_write(ring,
1678 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_GPCOM_CMD), 0, 0, PACKETJ_TYPE0));
1679 	amdgpu_ring_write(ring, 0x8);
1680 
1681 	amdgpu_ring_write(ring,
1682 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_GPCOM_CMD), 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE4));
1683 	amdgpu_ring_write(ring, 0);
1684 
1685 	amdgpu_ring_write(ring,
1686 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
1687 	amdgpu_ring_write(ring, 0x01400200);
1688 
1689 	amdgpu_ring_write(ring,
1690 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
1691 	amdgpu_ring_write(ring, seq);
1692 
1693 	amdgpu_ring_write(ring,
1694 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
1695 	amdgpu_ring_write(ring, lower_32_bits(addr));
1696 
1697 	amdgpu_ring_write(ring,
1698 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
1699 	amdgpu_ring_write(ring, upper_32_bits(addr));
1700 
1701 	amdgpu_ring_write(ring,
1702 		PACKETJ(0, 0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE2));
1703 	amdgpu_ring_write(ring, 0xffffffff);
1704 
1705 	amdgpu_ring_write(ring,
1706 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
1707 	amdgpu_ring_write(ring, 0x3fbc);
1708 
1709 	amdgpu_ring_write(ring,
1710 		PACKETJ(0, 0, 0, PACKETJ_TYPE0));
1711 	amdgpu_ring_write(ring, 0x1);
1712 
1713 	/* emit trap */
1714 	amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE7));
1715 	amdgpu_ring_write(ring, 0);
1716 }
1717 
1718 /**
1719  * vcn_v1_0_jpeg_ring_emit_ib - execute indirect buffer
1720  *
1721  * @ring: amdgpu_ring pointer
1722  * @ib: indirect buffer to execute
1723  *
1724  * Write ring commands to execute the indirect buffer.
1725  */
1726 static void vcn_v1_0_jpeg_ring_emit_ib(struct amdgpu_ring *ring,
1727 					struct amdgpu_job *job,
1728 					struct amdgpu_ib *ib,
1729 					bool ctx_switch)
1730 {
1731 	struct amdgpu_device *adev = ring->adev;
1732 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1733 
1734 	amdgpu_ring_write(ring,
1735 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_IB_VMID), 0, 0, PACKETJ_TYPE0));
1736 	amdgpu_ring_write(ring, (vmid | (vmid << 4)));
1737 
1738 	amdgpu_ring_write(ring,
1739 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JPEG_VMID), 0, 0, PACKETJ_TYPE0));
1740 	amdgpu_ring_write(ring, (vmid | (vmid << 4)));
1741 
1742 	amdgpu_ring_write(ring,
1743 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
1744 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1745 
1746 	amdgpu_ring_write(ring,
1747 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_IB_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
1748 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1749 
1750 	amdgpu_ring_write(ring,
1751 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_IB_SIZE), 0, 0, PACKETJ_TYPE0));
1752 	amdgpu_ring_write(ring, ib->length_dw);
1753 
1754 	amdgpu_ring_write(ring,
1755 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
1756 	amdgpu_ring_write(ring, lower_32_bits(ring->gpu_addr));
1757 
1758 	amdgpu_ring_write(ring,
1759 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
1760 	amdgpu_ring_write(ring, upper_32_bits(ring->gpu_addr));
1761 
1762 	amdgpu_ring_write(ring,
1763 		PACKETJ(0, 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE2));
1764 	amdgpu_ring_write(ring, 0);
1765 
1766 	amdgpu_ring_write(ring,
1767 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
1768 	amdgpu_ring_write(ring, 0x01400200);
1769 
1770 	amdgpu_ring_write(ring,
1771 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
1772 	amdgpu_ring_write(ring, 0x2);
1773 
1774 	amdgpu_ring_write(ring,
1775 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_STATUS), 0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE3));
1776 	amdgpu_ring_write(ring, 0x2);
1777 }
1778 
1779 static void vcn_v1_0_jpeg_ring_emit_reg_wait(struct amdgpu_ring *ring,
1780 					    uint32_t reg, uint32_t val,
1781 					    uint32_t mask)
1782 {
1783 	struct amdgpu_device *adev = ring->adev;
1784 	uint32_t reg_offset = (reg << 2);
1785 
1786 	amdgpu_ring_write(ring,
1787 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
1788 	amdgpu_ring_write(ring, 0x01400200);
1789 
1790 	amdgpu_ring_write(ring,
1791 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
1792 	amdgpu_ring_write(ring, val);
1793 
1794 	amdgpu_ring_write(ring,
1795 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
1796 	if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
1797 		((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
1798 		amdgpu_ring_write(ring, 0);
1799 		amdgpu_ring_write(ring,
1800 			PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3));
1801 	} else {
1802 		amdgpu_ring_write(ring, reg_offset);
1803 		amdgpu_ring_write(ring,
1804 			PACKETJ(0, 0, 0, PACKETJ_TYPE3));
1805 	}
1806 	amdgpu_ring_write(ring, mask);
1807 }
1808 
1809 static void vcn_v1_0_jpeg_ring_emit_vm_flush(struct amdgpu_ring *ring,
1810 		unsigned vmid, uint64_t pd_addr)
1811 {
1812 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1813 	uint32_t data0, data1, mask;
1814 
1815 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1816 
1817 	/* wait for register write */
1818 	data0 = hub->ctx0_ptb_addr_lo32 + vmid * 2;
1819 	data1 = lower_32_bits(pd_addr);
1820 	mask = 0xffffffff;
1821 	vcn_v1_0_jpeg_ring_emit_reg_wait(ring, data0, data1, mask);
1822 }
1823 
1824 static void vcn_v1_0_jpeg_ring_emit_wreg(struct amdgpu_ring *ring,
1825 					uint32_t reg, uint32_t val)
1826 {
1827 	struct amdgpu_device *adev = ring->adev;
1828 	uint32_t reg_offset = (reg << 2);
1829 
1830 	amdgpu_ring_write(ring,
1831 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
1832 	if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
1833 			((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
1834 		amdgpu_ring_write(ring, 0);
1835 		amdgpu_ring_write(ring,
1836 			PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0));
1837 	} else {
1838 		amdgpu_ring_write(ring, reg_offset);
1839 		amdgpu_ring_write(ring,
1840 			PACKETJ(0, 0, 0, PACKETJ_TYPE0));
1841 	}
1842 	amdgpu_ring_write(ring, val);
1843 }
1844 
1845 static void vcn_v1_0_jpeg_ring_nop(struct amdgpu_ring *ring, uint32_t count)
1846 {
1847 	int i;
1848 
1849 	WARN_ON(ring->wptr % 2 || count % 2);
1850 
1851 	for (i = 0; i < count / 2; i++) {
1852 		amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE6));
1853 		amdgpu_ring_write(ring, 0);
1854 	}
1855 }
1856 
1857 static void vcn_v1_0_jpeg_ring_patch_wreg(struct amdgpu_ring *ring, uint32_t *ptr, uint32_t reg_offset, uint32_t val)
1858 {
1859 	struct amdgpu_device *adev = ring->adev;
1860 	ring->ring[(*ptr)++] = PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0);
1861 	if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
1862 		((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
1863 		ring->ring[(*ptr)++] = 0;
1864 		ring->ring[(*ptr)++] = PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0);
1865 	} else {
1866 		ring->ring[(*ptr)++] = reg_offset;
1867 		ring->ring[(*ptr)++] = PACKETJ(0, 0, 0, PACKETJ_TYPE0);
1868 	}
1869 	ring->ring[(*ptr)++] = val;
1870 }
1871 
1872 static void vcn_v1_0_jpeg_ring_set_patch_ring(struct amdgpu_ring *ring, uint32_t ptr)
1873 {
1874 	struct amdgpu_device *adev = ring->adev;
1875 
1876 	uint32_t reg, reg_offset, val, mask, i;
1877 
1878 	// 1st: program mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW
1879 	reg = SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW);
1880 	reg_offset = (reg << 2);
1881 	val = lower_32_bits(ring->gpu_addr);
1882 	vcn_v1_0_jpeg_ring_patch_wreg(ring, &ptr, reg_offset, val);
1883 
1884 	// 2nd: program mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH
1885 	reg = SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH);
1886 	reg_offset = (reg << 2);
1887 	val = upper_32_bits(ring->gpu_addr);
1888 	vcn_v1_0_jpeg_ring_patch_wreg(ring, &ptr, reg_offset, val);
1889 
1890 	// 3rd to 5th: issue MEM_READ commands
1891 	for (i = 0; i <= 2; i++) {
1892 		ring->ring[ptr++] = PACKETJ(0, 0, 0, PACKETJ_TYPE2);
1893 		ring->ring[ptr++] = 0;
1894 	}
1895 
1896 	// 6th: program mmUVD_JRBC_RB_CNTL register to enable NO_FETCH and RPTR write ability
1897 	reg = SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_CNTL);
1898 	reg_offset = (reg << 2);
1899 	val = 0x13;
1900 	vcn_v1_0_jpeg_ring_patch_wreg(ring, &ptr, reg_offset, val);
1901 
1902 	// 7th: program mmUVD_JRBC_RB_REF_DATA
1903 	reg = SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_REF_DATA);
1904 	reg_offset = (reg << 2);
1905 	val = 0x1;
1906 	vcn_v1_0_jpeg_ring_patch_wreg(ring, &ptr, reg_offset, val);
1907 
1908 	// 8th: issue conditional register read mmUVD_JRBC_RB_CNTL
1909 	reg = SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_CNTL);
1910 	reg_offset = (reg << 2);
1911 	val = 0x1;
1912 	mask = 0x1;
1913 
1914 	ring->ring[ptr++] = PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0);
1915 	ring->ring[ptr++] = 0x01400200;
1916 	ring->ring[ptr++] = PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0);
1917 	ring->ring[ptr++] = val;
1918 	ring->ring[ptr++] = PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0);
1919 	if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
1920 		((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
1921 		ring->ring[ptr++] = 0;
1922 		ring->ring[ptr++] = PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3);
1923 	} else {
1924 		ring->ring[ptr++] = reg_offset;
1925 		ring->ring[ptr++] = PACKETJ(0, 0, 0, PACKETJ_TYPE3);
1926 	}
1927 	ring->ring[ptr++] = mask;
1928 
1929 	//9th to 21st: insert no-op
1930 	for (i = 0; i <= 12; i++) {
1931 		ring->ring[ptr++] = PACKETJ(0, 0, 0, PACKETJ_TYPE6);
1932 		ring->ring[ptr++] = 0;
1933 	}
1934 
1935 	//22nd: reset mmUVD_JRBC_RB_RPTR
1936 	reg = SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_RPTR);
1937 	reg_offset = (reg << 2);
1938 	val = 0;
1939 	vcn_v1_0_jpeg_ring_patch_wreg(ring, &ptr, reg_offset, val);
1940 
1941 	//23rd: program mmUVD_JRBC_RB_CNTL to disable no_fetch
1942 	reg = SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_CNTL);
1943 	reg_offset = (reg << 2);
1944 	val = 0x12;
1945 	vcn_v1_0_jpeg_ring_patch_wreg(ring, &ptr, reg_offset, val);
1946 }
1947 
1948 static int vcn_v1_0_set_interrupt_state(struct amdgpu_device *adev,
1949 					struct amdgpu_irq_src *source,
1950 					unsigned type,
1951 					enum amdgpu_interrupt_state state)
1952 {
1953 	return 0;
1954 }
1955 
1956 static int vcn_v1_0_process_interrupt(struct amdgpu_device *adev,
1957 				      struct amdgpu_irq_src *source,
1958 				      struct amdgpu_iv_entry *entry)
1959 {
1960 	DRM_DEBUG("IH: VCN TRAP\n");
1961 
1962 	switch (entry->src_id) {
1963 	case 124:
1964 		amdgpu_fence_process(&adev->vcn.ring_dec);
1965 		break;
1966 	case 119:
1967 		amdgpu_fence_process(&adev->vcn.ring_enc[0]);
1968 		break;
1969 	case 120:
1970 		amdgpu_fence_process(&adev->vcn.ring_enc[1]);
1971 		break;
1972 	case 126:
1973 		amdgpu_fence_process(&adev->vcn.ring_jpeg);
1974 		break;
1975 	default:
1976 		DRM_ERROR("Unhandled interrupt: %d %d\n",
1977 			  entry->src_id, entry->src_data[0]);
1978 		break;
1979 	}
1980 
1981 	return 0;
1982 }
1983 
1984 static void vcn_v1_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
1985 {
1986 	struct amdgpu_device *adev = ring->adev;
1987 	int i;
1988 
1989 	WARN_ON(ring->wptr % 2 || count % 2);
1990 
1991 	for (i = 0; i < count / 2; i++) {
1992 		amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0));
1993 		amdgpu_ring_write(ring, 0);
1994 	}
1995 }
1996 
1997 static int vcn_v1_0_set_powergating_state(void *handle,
1998 					  enum amd_powergating_state state)
1999 {
2000 	/* This doesn't actually powergate the VCN block.
2001 	 * That's done in the dpm code via the SMC.  This
2002 	 * just re-inits the block as necessary.  The actual
2003 	 * gating still happens in the dpm code.  We should
2004 	 * revisit this when there is a cleaner line between
2005 	 * the smc and the hw blocks
2006 	 */
2007 	int ret;
2008 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2009 
2010 	if(state == adev->vcn.cur_state)
2011 		return 0;
2012 
2013 	if (state == AMD_PG_STATE_GATE)
2014 		ret = vcn_v1_0_stop(adev);
2015 	else
2016 		ret = vcn_v1_0_start(adev);
2017 
2018 	if(!ret)
2019 		adev->vcn.cur_state = state;
2020 	return ret;
2021 }
2022 
2023 static const struct amd_ip_funcs vcn_v1_0_ip_funcs = {
2024 	.name = "vcn_v1_0",
2025 	.early_init = vcn_v1_0_early_init,
2026 	.late_init = NULL,
2027 	.sw_init = vcn_v1_0_sw_init,
2028 	.sw_fini = vcn_v1_0_sw_fini,
2029 	.hw_init = vcn_v1_0_hw_init,
2030 	.hw_fini = vcn_v1_0_hw_fini,
2031 	.suspend = vcn_v1_0_suspend,
2032 	.resume = vcn_v1_0_resume,
2033 	.is_idle = vcn_v1_0_is_idle,
2034 	.wait_for_idle = vcn_v1_0_wait_for_idle,
2035 	.check_soft_reset = NULL /* vcn_v1_0_check_soft_reset */,
2036 	.pre_soft_reset = NULL /* vcn_v1_0_pre_soft_reset */,
2037 	.soft_reset = NULL /* vcn_v1_0_soft_reset */,
2038 	.post_soft_reset = NULL /* vcn_v1_0_post_soft_reset */,
2039 	.set_clockgating_state = vcn_v1_0_set_clockgating_state,
2040 	.set_powergating_state = vcn_v1_0_set_powergating_state,
2041 };
2042 
2043 static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = {
2044 	.type = AMDGPU_RING_TYPE_VCN_DEC,
2045 	.align_mask = 0xf,
2046 	.support_64bit_ptrs = false,
2047 	.vmhub = AMDGPU_MMHUB,
2048 	.get_rptr = vcn_v1_0_dec_ring_get_rptr,
2049 	.get_wptr = vcn_v1_0_dec_ring_get_wptr,
2050 	.set_wptr = vcn_v1_0_dec_ring_set_wptr,
2051 	.emit_frame_size =
2052 		6 + 6 + /* hdp invalidate / flush */
2053 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
2054 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
2055 		8 + /* vcn_v1_0_dec_ring_emit_vm_flush */
2056 		14 + 14 + /* vcn_v1_0_dec_ring_emit_fence x2 vm fence */
2057 		6,
2058 	.emit_ib_size = 8, /* vcn_v1_0_dec_ring_emit_ib */
2059 	.emit_ib = vcn_v1_0_dec_ring_emit_ib,
2060 	.emit_fence = vcn_v1_0_dec_ring_emit_fence,
2061 	.emit_vm_flush = vcn_v1_0_dec_ring_emit_vm_flush,
2062 	.test_ring = amdgpu_vcn_dec_ring_test_ring,
2063 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
2064 	.insert_nop = vcn_v1_0_dec_ring_insert_nop,
2065 	.insert_start = vcn_v1_0_dec_ring_insert_start,
2066 	.insert_end = vcn_v1_0_dec_ring_insert_end,
2067 	.pad_ib = amdgpu_ring_generic_pad_ib,
2068 	.begin_use = amdgpu_vcn_ring_begin_use,
2069 	.end_use = amdgpu_vcn_ring_end_use,
2070 	.emit_wreg = vcn_v1_0_dec_ring_emit_wreg,
2071 	.emit_reg_wait = vcn_v1_0_dec_ring_emit_reg_wait,
2072 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2073 };
2074 
2075 static const struct amdgpu_ring_funcs vcn_v1_0_enc_ring_vm_funcs = {
2076 	.type = AMDGPU_RING_TYPE_VCN_ENC,
2077 	.align_mask = 0x3f,
2078 	.nop = VCN_ENC_CMD_NO_OP,
2079 	.support_64bit_ptrs = false,
2080 	.vmhub = AMDGPU_MMHUB,
2081 	.get_rptr = vcn_v1_0_enc_ring_get_rptr,
2082 	.get_wptr = vcn_v1_0_enc_ring_get_wptr,
2083 	.set_wptr = vcn_v1_0_enc_ring_set_wptr,
2084 	.emit_frame_size =
2085 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2086 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
2087 		4 + /* vcn_v1_0_enc_ring_emit_vm_flush */
2088 		5 + 5 + /* vcn_v1_0_enc_ring_emit_fence x2 vm fence */
2089 		1, /* vcn_v1_0_enc_ring_insert_end */
2090 	.emit_ib_size = 5, /* vcn_v1_0_enc_ring_emit_ib */
2091 	.emit_ib = vcn_v1_0_enc_ring_emit_ib,
2092 	.emit_fence = vcn_v1_0_enc_ring_emit_fence,
2093 	.emit_vm_flush = vcn_v1_0_enc_ring_emit_vm_flush,
2094 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
2095 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
2096 	.insert_nop = amdgpu_ring_insert_nop,
2097 	.insert_end = vcn_v1_0_enc_ring_insert_end,
2098 	.pad_ib = amdgpu_ring_generic_pad_ib,
2099 	.begin_use = amdgpu_vcn_ring_begin_use,
2100 	.end_use = amdgpu_vcn_ring_end_use,
2101 	.emit_wreg = vcn_v1_0_enc_ring_emit_wreg,
2102 	.emit_reg_wait = vcn_v1_0_enc_ring_emit_reg_wait,
2103 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2104 };
2105 
2106 static const struct amdgpu_ring_funcs vcn_v1_0_jpeg_ring_vm_funcs = {
2107 	.type = AMDGPU_RING_TYPE_VCN_JPEG,
2108 	.align_mask = 0xf,
2109 	.nop = PACKET0(0x81ff, 0),
2110 	.support_64bit_ptrs = false,
2111 	.vmhub = AMDGPU_MMHUB,
2112 	.extra_dw = 64,
2113 	.get_rptr = vcn_v1_0_jpeg_ring_get_rptr,
2114 	.get_wptr = vcn_v1_0_jpeg_ring_get_wptr,
2115 	.set_wptr = vcn_v1_0_jpeg_ring_set_wptr,
2116 	.emit_frame_size =
2117 		6 + 6 + /* hdp invalidate / flush */
2118 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
2119 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
2120 		8 + /* vcn_v1_0_jpeg_ring_emit_vm_flush */
2121 		26 + 26 + /* vcn_v1_0_jpeg_ring_emit_fence x2 vm fence */
2122 		6,
2123 	.emit_ib_size = 22, /* vcn_v1_0_jpeg_ring_emit_ib */
2124 	.emit_ib = vcn_v1_0_jpeg_ring_emit_ib,
2125 	.emit_fence = vcn_v1_0_jpeg_ring_emit_fence,
2126 	.emit_vm_flush = vcn_v1_0_jpeg_ring_emit_vm_flush,
2127 	.test_ring = amdgpu_vcn_jpeg_ring_test_ring,
2128 	.test_ib = amdgpu_vcn_jpeg_ring_test_ib,
2129 	.insert_nop = vcn_v1_0_jpeg_ring_nop,
2130 	.insert_start = vcn_v1_0_jpeg_ring_insert_start,
2131 	.insert_end = vcn_v1_0_jpeg_ring_insert_end,
2132 	.pad_ib = amdgpu_ring_generic_pad_ib,
2133 	.begin_use = amdgpu_vcn_ring_begin_use,
2134 	.end_use = amdgpu_vcn_ring_end_use,
2135 	.emit_wreg = vcn_v1_0_jpeg_ring_emit_wreg,
2136 	.emit_reg_wait = vcn_v1_0_jpeg_ring_emit_reg_wait,
2137 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2138 };
2139 
2140 static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev)
2141 {
2142 	adev->vcn.ring_dec.funcs = &vcn_v1_0_dec_ring_vm_funcs;
2143 	DRM_INFO("VCN decode is enabled in VM mode\n");
2144 }
2145 
2146 static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev)
2147 {
2148 	int i;
2149 
2150 	for (i = 0; i < adev->vcn.num_enc_rings; ++i)
2151 		adev->vcn.ring_enc[i].funcs = &vcn_v1_0_enc_ring_vm_funcs;
2152 
2153 	DRM_INFO("VCN encode is enabled in VM mode\n");
2154 }
2155 
2156 static void vcn_v1_0_set_jpeg_ring_funcs(struct amdgpu_device *adev)
2157 {
2158 	adev->vcn.ring_jpeg.funcs = &vcn_v1_0_jpeg_ring_vm_funcs;
2159 	DRM_INFO("VCN jpeg decode is enabled in VM mode\n");
2160 }
2161 
2162 static const struct amdgpu_irq_src_funcs vcn_v1_0_irq_funcs = {
2163 	.set = vcn_v1_0_set_interrupt_state,
2164 	.process = vcn_v1_0_process_interrupt,
2165 };
2166 
2167 static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev)
2168 {
2169 	adev->vcn.irq.num_types = adev->vcn.num_enc_rings + 2;
2170 	adev->vcn.irq.funcs = &vcn_v1_0_irq_funcs;
2171 }
2172 
2173 const struct amdgpu_ip_block_version vcn_v1_0_ip_block =
2174 {
2175 		.type = AMD_IP_BLOCK_TYPE_VCN,
2176 		.major = 1,
2177 		.minor = 0,
2178 		.rev = 0,
2179 		.funcs = &vcn_v1_0_ip_funcs,
2180 };
2181