xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c (revision 2209fda3)
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 
52 /**
53  * vcn_v1_0_early_init - set function pointers
54  *
55  * @handle: amdgpu_device pointer
56  *
57  * Set ring and irq function pointers
58  */
59 static int vcn_v1_0_early_init(void *handle)
60 {
61 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
62 
63 	adev->vcn.num_enc_rings = 2;
64 
65 	vcn_v1_0_set_dec_ring_funcs(adev);
66 	vcn_v1_0_set_enc_ring_funcs(adev);
67 	vcn_v1_0_set_jpeg_ring_funcs(adev);
68 	vcn_v1_0_set_irq_funcs(adev);
69 
70 	return 0;
71 }
72 
73 /**
74  * vcn_v1_0_sw_init - sw init for VCN block
75  *
76  * @handle: amdgpu_device pointer
77  *
78  * Load firmware and sw initialization
79  */
80 static int vcn_v1_0_sw_init(void *handle)
81 {
82 	struct amdgpu_ring *ring;
83 	int i, r;
84 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
85 
86 	/* VCN DEC TRAP */
87 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, VCN_1_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.irq);
88 	if (r)
89 		return r;
90 
91 	/* VCN ENC TRAP */
92 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
93 		r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, i + VCN_1_0__SRCID__UVD_ENC_GENERAL_PURPOSE,
94 					&adev->vcn.irq);
95 		if (r)
96 			return r;
97 	}
98 
99 	/* VCN JPEG TRAP */
100 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, 126, &adev->vcn.irq);
101 	if (r)
102 		return r;
103 
104 	r = amdgpu_vcn_sw_init(adev);
105 	if (r)
106 		return r;
107 
108 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
109 		const struct common_firmware_header *hdr;
110 		hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
111 		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].ucode_id = AMDGPU_UCODE_ID_VCN;
112 		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].fw = adev->vcn.fw;
113 		adev->firmware.fw_size +=
114 			ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
115 		DRM_INFO("PSP loading VCN firmware\n");
116 	}
117 
118 	r = amdgpu_vcn_resume(adev);
119 	if (r)
120 		return r;
121 
122 	ring = &adev->vcn.ring_dec;
123 	sprintf(ring->name, "vcn_dec");
124 	r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0);
125 	if (r)
126 		return r;
127 
128 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
129 		ring = &adev->vcn.ring_enc[i];
130 		sprintf(ring->name, "vcn_enc%d", i);
131 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0);
132 		if (r)
133 			return r;
134 	}
135 
136 	ring = &adev->vcn.ring_jpeg;
137 	sprintf(ring->name, "vcn_jpeg");
138 	r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0);
139 	if (r)
140 		return r;
141 
142 	return r;
143 }
144 
145 /**
146  * vcn_v1_0_sw_fini - sw fini for VCN block
147  *
148  * @handle: amdgpu_device pointer
149  *
150  * VCN suspend and free up sw allocation
151  */
152 static int vcn_v1_0_sw_fini(void *handle)
153 {
154 	int r;
155 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
156 
157 	r = amdgpu_vcn_suspend(adev);
158 	if (r)
159 		return r;
160 
161 	r = amdgpu_vcn_sw_fini(adev);
162 
163 	return r;
164 }
165 
166 /**
167  * vcn_v1_0_hw_init - start and test VCN block
168  *
169  * @handle: amdgpu_device pointer
170  *
171  * Initialize the hardware, boot up the VCPU and do some testing
172  */
173 static int vcn_v1_0_hw_init(void *handle)
174 {
175 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
176 	struct amdgpu_ring *ring = &adev->vcn.ring_dec;
177 	int i, r;
178 
179 	ring->ready = true;
180 	r = amdgpu_ring_test_ring(ring);
181 	if (r) {
182 		ring->ready = false;
183 		goto done;
184 	}
185 
186 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
187 		ring = &adev->vcn.ring_enc[i];
188 		ring->ready = true;
189 		r = amdgpu_ring_test_ring(ring);
190 		if (r) {
191 			ring->ready = false;
192 			goto done;
193 		}
194 	}
195 
196 	ring = &adev->vcn.ring_jpeg;
197 	ring->ready = true;
198 	r = amdgpu_ring_test_ring(ring);
199 	if (r) {
200 		ring->ready = false;
201 		goto done;
202 	}
203 
204 done:
205 	if (!r)
206 		DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
207 			(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
208 
209 	return r;
210 }
211 
212 /**
213  * vcn_v1_0_hw_fini - stop the hardware block
214  *
215  * @handle: amdgpu_device pointer
216  *
217  * Stop the VCN block, mark ring as not ready any more
218  */
219 static int vcn_v1_0_hw_fini(void *handle)
220 {
221 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
222 	struct amdgpu_ring *ring = &adev->vcn.ring_dec;
223 
224 	if (RREG32_SOC15(VCN, 0, mmUVD_STATUS))
225 		vcn_v1_0_stop(adev);
226 
227 	ring->ready = false;
228 
229 	return 0;
230 }
231 
232 /**
233  * vcn_v1_0_suspend - suspend VCN block
234  *
235  * @handle: amdgpu_device pointer
236  *
237  * HW fini and suspend VCN block
238  */
239 static int vcn_v1_0_suspend(void *handle)
240 {
241 	int r;
242 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
243 
244 	r = vcn_v1_0_hw_fini(adev);
245 	if (r)
246 		return r;
247 
248 	r = amdgpu_vcn_suspend(adev);
249 
250 	return r;
251 }
252 
253 /**
254  * vcn_v1_0_resume - resume VCN block
255  *
256  * @handle: amdgpu_device pointer
257  *
258  * Resume firmware and hw init VCN block
259  */
260 static int vcn_v1_0_resume(void *handle)
261 {
262 	int r;
263 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
264 
265 	r = amdgpu_vcn_resume(adev);
266 	if (r)
267 		return r;
268 
269 	r = vcn_v1_0_hw_init(adev);
270 
271 	return r;
272 }
273 
274 /**
275  * vcn_v1_0_mc_resume_spg_mode - memory controller programming
276  *
277  * @adev: amdgpu_device pointer
278  *
279  * Let the VCN memory controller know it's offsets
280  */
281 static void vcn_v1_0_mc_resume_spg_mode(struct amdgpu_device *adev)
282 {
283 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
284 	uint32_t offset;
285 
286 	/* cache window 0: fw */
287 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
288 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
289 			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo));
290 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
291 			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi));
292 		WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0);
293 		offset = 0;
294 	} else {
295 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
296 			lower_32_bits(adev->vcn.gpu_addr));
297 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
298 			upper_32_bits(adev->vcn.gpu_addr));
299 		offset = size;
300 		WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
301 			     AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
302 	}
303 
304 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size);
305 
306 	/* cache window 1: stack */
307 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
308 		     lower_32_bits(adev->vcn.gpu_addr + offset));
309 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
310 		     upper_32_bits(adev->vcn.gpu_addr + offset));
311 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0);
312 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
313 
314 	/* cache window 2: context */
315 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
316 		     lower_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
317 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
318 		     upper_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
319 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0);
320 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
321 
322 	WREG32_SOC15(UVD, 0, mmUVD_UDEC_ADDR_CONFIG,
323 			adev->gfx.config.gb_addr_config);
324 	WREG32_SOC15(UVD, 0, mmUVD_UDEC_DB_ADDR_CONFIG,
325 			adev->gfx.config.gb_addr_config);
326 	WREG32_SOC15(UVD, 0, mmUVD_UDEC_DBW_ADDR_CONFIG,
327 			adev->gfx.config.gb_addr_config);
328 	WREG32_SOC15(UVD, 0, mmUVD_UDEC_DBW_UV_ADDR_CONFIG,
329 			adev->gfx.config.gb_addr_config);
330 	WREG32_SOC15(UVD, 0, mmUVD_MIF_CURR_ADDR_CONFIG,
331 			adev->gfx.config.gb_addr_config);
332 	WREG32_SOC15(UVD, 0, mmUVD_MIF_CURR_UV_ADDR_CONFIG,
333 			adev->gfx.config.gb_addr_config);
334 	WREG32_SOC15(UVD, 0, mmUVD_MIF_RECON1_ADDR_CONFIG,
335 			adev->gfx.config.gb_addr_config);
336 	WREG32_SOC15(UVD, 0, mmUVD_MIF_RECON1_UV_ADDR_CONFIG,
337 			adev->gfx.config.gb_addr_config);
338 	WREG32_SOC15(UVD, 0, mmUVD_MIF_REF_ADDR_CONFIG,
339 			adev->gfx.config.gb_addr_config);
340 	WREG32_SOC15(UVD, 0, mmUVD_MIF_REF_UV_ADDR_CONFIG,
341 			adev->gfx.config.gb_addr_config);
342 	WREG32_SOC15(UVD, 0, mmUVD_JPEG_ADDR_CONFIG,
343 			adev->gfx.config.gb_addr_config);
344 	WREG32_SOC15(UVD, 0, mmUVD_JPEG_UV_ADDR_CONFIG,
345 			adev->gfx.config.gb_addr_config);
346 }
347 
348 static void vcn_v1_0_mc_resume_dpg_mode(struct amdgpu_device *adev)
349 {
350 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
351 	uint32_t offset;
352 
353 	/* cache window 0: fw */
354 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
355 		WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
356 			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo),
357 			     0xFFFFFFFF, 0);
358 		WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
359 			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi),
360 			     0xFFFFFFFF, 0);
361 		WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0,
362 			     0xFFFFFFFF, 0);
363 		offset = 0;
364 	} else {
365 		WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
366 			lower_32_bits(adev->vcn.gpu_addr), 0xFFFFFFFF, 0);
367 		WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
368 			upper_32_bits(adev->vcn.gpu_addr), 0xFFFFFFFF, 0);
369 		offset = size;
370 		WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
371 			     AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0xFFFFFFFF, 0);
372 	}
373 
374 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size, 0xFFFFFFFF, 0);
375 
376 	/* cache window 1: stack */
377 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
378 		     lower_32_bits(adev->vcn.gpu_addr + offset), 0xFFFFFFFF, 0);
379 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
380 		     upper_32_bits(adev->vcn.gpu_addr + offset), 0xFFFFFFFF, 0);
381 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0,
382 			     0xFFFFFFFF, 0);
383 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE,
384 			     0xFFFFFFFF, 0);
385 
386 	/* cache window 2: context */
387 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
388 		     lower_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE),
389 			     0xFFFFFFFF, 0);
390 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
391 		     upper_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE),
392 			     0xFFFFFFFF, 0);
393 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0, 0xFFFFFFFF, 0);
394 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE,
395 			     0xFFFFFFFF, 0);
396 
397 	/* VCN global tiling registers */
398 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_UDEC_ADDR_CONFIG,
399 			adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
400 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_UDEC_DB_ADDR_CONFIG,
401 			adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
402 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_UDEC_DBW_ADDR_CONFIG,
403 			adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
404 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_UDEC_DBW_UV_ADDR_CONFIG,
405 		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
406 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MIF_CURR_ADDR_CONFIG,
407 		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
408 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MIF_CURR_UV_ADDR_CONFIG,
409 		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
410 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MIF_RECON1_ADDR_CONFIG,
411 		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
412 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MIF_RECON1_UV_ADDR_CONFIG,
413 		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
414 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MIF_REF_ADDR_CONFIG,
415 		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
416 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MIF_REF_UV_ADDR_CONFIG,
417 		adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0);
418 }
419 
420 /**
421  * vcn_v1_0_disable_clock_gating - disable VCN clock gating
422  *
423  * @adev: amdgpu_device pointer
424  * @sw: enable SW clock gating
425  *
426  * Disable clock gating for VCN block
427  */
428 static void vcn_v1_0_disable_clock_gating(struct amdgpu_device *adev)
429 {
430 	uint32_t data;
431 
432 	/* JPEG disable CGC */
433 	data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL);
434 
435 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
436 		data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
437 	else
438 		data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE_MASK;
439 
440 	data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
441 	data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
442 	WREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL, data);
443 
444 	data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE);
445 	data &= ~(JPEG_CGC_GATE__JPEG_MASK | JPEG_CGC_GATE__JPEG2_MASK);
446 	WREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE, data);
447 
448 	/* UVD disable CGC */
449 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
450 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
451 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
452 	else
453 		data &= ~ UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
454 
455 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
456 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
457 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
458 
459 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_GATE);
460 	data &= ~(UVD_CGC_GATE__SYS_MASK
461 		| UVD_CGC_GATE__UDEC_MASK
462 		| UVD_CGC_GATE__MPEG2_MASK
463 		| UVD_CGC_GATE__REGS_MASK
464 		| UVD_CGC_GATE__RBC_MASK
465 		| UVD_CGC_GATE__LMI_MC_MASK
466 		| UVD_CGC_GATE__LMI_UMC_MASK
467 		| UVD_CGC_GATE__IDCT_MASK
468 		| UVD_CGC_GATE__MPRD_MASK
469 		| UVD_CGC_GATE__MPC_MASK
470 		| UVD_CGC_GATE__LBSI_MASK
471 		| UVD_CGC_GATE__LRBBM_MASK
472 		| UVD_CGC_GATE__UDEC_RE_MASK
473 		| UVD_CGC_GATE__UDEC_CM_MASK
474 		| UVD_CGC_GATE__UDEC_IT_MASK
475 		| UVD_CGC_GATE__UDEC_DB_MASK
476 		| UVD_CGC_GATE__UDEC_MP_MASK
477 		| UVD_CGC_GATE__WCB_MASK
478 		| UVD_CGC_GATE__VCPU_MASK
479 		| UVD_CGC_GATE__SCPU_MASK);
480 	WREG32_SOC15(VCN, 0, mmUVD_CGC_GATE, data);
481 
482 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
483 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
484 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
485 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
486 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
487 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
488 		| UVD_CGC_CTRL__SYS_MODE_MASK
489 		| UVD_CGC_CTRL__UDEC_MODE_MASK
490 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
491 		| UVD_CGC_CTRL__REGS_MODE_MASK
492 		| UVD_CGC_CTRL__RBC_MODE_MASK
493 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
494 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
495 		| UVD_CGC_CTRL__IDCT_MODE_MASK
496 		| UVD_CGC_CTRL__MPRD_MODE_MASK
497 		| UVD_CGC_CTRL__MPC_MODE_MASK
498 		| UVD_CGC_CTRL__LBSI_MODE_MASK
499 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
500 		| UVD_CGC_CTRL__WCB_MODE_MASK
501 		| UVD_CGC_CTRL__VCPU_MODE_MASK
502 		| UVD_CGC_CTRL__SCPU_MODE_MASK);
503 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
504 
505 	/* turn on */
506 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE);
507 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
508 		| UVD_SUVD_CGC_GATE__SIT_MASK
509 		| UVD_SUVD_CGC_GATE__SMP_MASK
510 		| UVD_SUVD_CGC_GATE__SCM_MASK
511 		| UVD_SUVD_CGC_GATE__SDB_MASK
512 		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
513 		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
514 		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
515 		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
516 		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
517 		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
518 		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
519 		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
520 		| UVD_SUVD_CGC_GATE__SCLR_MASK
521 		| UVD_SUVD_CGC_GATE__UVD_SC_MASK
522 		| UVD_SUVD_CGC_GATE__ENT_MASK
523 		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
524 		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
525 		| UVD_SUVD_CGC_GATE__SITE_MASK
526 		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
527 		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
528 		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
529 		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
530 		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
531 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE, data);
532 
533 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
534 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
535 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
536 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
537 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
538 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
539 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
540 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
541 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
542 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
543 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
544 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
545 }
546 
547 /**
548  * vcn_v1_0_enable_clock_gating - enable VCN clock gating
549  *
550  * @adev: amdgpu_device pointer
551  * @sw: enable SW clock gating
552  *
553  * Enable clock gating for VCN block
554  */
555 static void vcn_v1_0_enable_clock_gating(struct amdgpu_device *adev)
556 {
557 	uint32_t data = 0;
558 
559 	/* enable JPEG CGC */
560 	data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL);
561 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
562 		data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
563 	else
564 		data |= 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
565 	data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
566 	data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
567 	WREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL, data);
568 
569 	data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE);
570 	data |= (JPEG_CGC_GATE__JPEG_MASK | JPEG_CGC_GATE__JPEG2_MASK);
571 	WREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE, data);
572 
573 	/* enable UVD CGC */
574 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
575 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
576 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
577 	else
578 		data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
579 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
580 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
581 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
582 
583 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
584 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
585 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
586 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
587 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
588 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
589 		| UVD_CGC_CTRL__SYS_MODE_MASK
590 		| UVD_CGC_CTRL__UDEC_MODE_MASK
591 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
592 		| UVD_CGC_CTRL__REGS_MODE_MASK
593 		| UVD_CGC_CTRL__RBC_MODE_MASK
594 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
595 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
596 		| UVD_CGC_CTRL__IDCT_MODE_MASK
597 		| UVD_CGC_CTRL__MPRD_MODE_MASK
598 		| UVD_CGC_CTRL__MPC_MODE_MASK
599 		| UVD_CGC_CTRL__LBSI_MODE_MASK
600 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
601 		| UVD_CGC_CTRL__WCB_MODE_MASK
602 		| UVD_CGC_CTRL__VCPU_MODE_MASK
603 		| UVD_CGC_CTRL__SCPU_MODE_MASK);
604 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
605 
606 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
607 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
608 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
609 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
610 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
611 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
612 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
613 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
614 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
615 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
616 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
617 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
618 }
619 
620 static void vcn_v1_0_clock_gating_dpg_mode(struct amdgpu_device *adev, uint8_t sram_sel)
621 {
622 	uint32_t reg_data = 0;
623 
624 	/* disable JPEG CGC */
625 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
626 		reg_data = 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
627 	else
628 		reg_data = 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
629 	reg_data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
630 	reg_data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
631 	WREG32_SOC15_DPG_MODE(UVD, 0, mmJPEG_CGC_CTRL, reg_data, 0xFFFFFFFF, sram_sel);
632 
633 	WREG32_SOC15_DPG_MODE(UVD, 0, mmJPEG_CGC_GATE, 0, 0xFFFFFFFF, sram_sel);
634 
635 	/* enable sw clock gating control */
636 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
637 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
638 	else
639 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
640 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
641 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
642 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
643 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
644 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
645 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
646 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
647 		 UVD_CGC_CTRL__SYS_MODE_MASK |
648 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
649 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
650 		 UVD_CGC_CTRL__REGS_MODE_MASK |
651 		 UVD_CGC_CTRL__RBC_MODE_MASK |
652 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
653 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
654 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
655 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
656 		 UVD_CGC_CTRL__MPC_MODE_MASK |
657 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
658 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
659 		 UVD_CGC_CTRL__WCB_MODE_MASK |
660 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
661 		 UVD_CGC_CTRL__SCPU_MODE_MASK);
662 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_CGC_CTRL, reg_data, 0xFFFFFFFF, sram_sel);
663 
664 	/* turn off clock gating */
665 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_CGC_GATE, 0, 0xFFFFFFFF, sram_sel);
666 
667 	/* turn on SUVD clock gating */
668 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SUVD_CGC_GATE, 1, 0xFFFFFFFF, sram_sel);
669 
670 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
671 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SUVD_CGC_CTRL, 0, 0xFFFFFFFF, sram_sel);
672 }
673 
674 static void vcn_1_0_disable_static_power_gating(struct amdgpu_device *adev)
675 {
676 	uint32_t data = 0;
677 	int ret;
678 
679 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
680 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
681 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
682 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
683 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
684 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
685 			| 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
686 			| 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
687 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
688 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
689 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
690 			| 2 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT);
691 
692 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
693 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON, 0xFFFFFF, ret);
694 	} else {
695 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
696 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
697 			| 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
698 			| 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
699 			| 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
700 			| 1 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
701 			| 1 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
702 			| 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
703 			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
704 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
705 			| 1 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT);
706 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
707 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 0,  0xFFFFFFFF, ret);
708 	}
709 
710 	/* polling UVD_PGFSM_STATUS to confirm UVDM_PWR_STATUS , UVDU_PWR_STATUS are 0 (power on) */
711 
712 	data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
713 	data &= ~0x103;
714 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
715 		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON | UVD_POWER_STATUS__UVD_PG_EN_MASK;
716 
717 	WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
718 }
719 
720 static void vcn_1_0_enable_static_power_gating(struct amdgpu_device *adev)
721 {
722 	uint32_t data = 0;
723 	int ret;
724 
725 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
726 		/* Before power off, this indicator has to be turned on */
727 		data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
728 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
729 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
730 		WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
731 
732 
733 		data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
734 			| 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
735 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
736 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
737 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
738 			| 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
739 			| 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
740 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
741 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
742 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
743 			| 2 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT);
744 
745 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
746 
747 		data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
748 			| 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT
749 			| 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
750 			| 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT
751 			| 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
752 			| 2 << UVD_PGFSM_STATUS__UVDIL_PWR_STATUS__SHIFT
753 			| 2 << UVD_PGFSM_STATUS__UVDIR_PWR_STATUS__SHIFT
754 			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
755 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
756 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT
757 			| 2 << UVD_PGFSM_STATUS__UVDW_PWR_STATUS__SHIFT);
758 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, data, 0xFFFFFFFF, ret);
759 	}
760 }
761 
762 /**
763  * vcn_v1_0_start - start VCN block
764  *
765  * @adev: amdgpu_device pointer
766  *
767  * Setup and start the VCN block
768  */
769 static int vcn_v1_0_start_spg_mode(struct amdgpu_device *adev)
770 {
771 	struct amdgpu_ring *ring = &adev->vcn.ring_dec;
772 	uint32_t rb_bufsz, tmp;
773 	uint32_t lmi_swap_cntl;
774 	int i, j, r;
775 
776 	/* disable byte swapping */
777 	lmi_swap_cntl = 0;
778 
779 	vcn_1_0_disable_static_power_gating(adev);
780 
781 	tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
782 	WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
783 
784 	/* disable clock gating */
785 	vcn_v1_0_disable_clock_gating(adev);
786 
787 	/* disable interupt */
788 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0,
789 			~UVD_MASTINT_EN__VCPU_EN_MASK);
790 
791 	/* initialize VCN memory controller */
792 	tmp = RREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL);
793 	WREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL, tmp		|
794 		UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
795 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK			|
796 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK		|
797 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
798 
799 #ifdef __BIG_ENDIAN
800 	/* swap (8 in 32) RB and IB */
801 	lmi_swap_cntl = 0xa;
802 #endif
803 	WREG32_SOC15(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
804 
805 	tmp = RREG32_SOC15(UVD, 0, mmUVD_MPC_CNTL);
806 	tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
807 	tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
808 	WREG32_SOC15(UVD, 0, mmUVD_MPC_CNTL, tmp);
809 
810 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA0,
811 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
812 		(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
813 		(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
814 		(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
815 
816 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB0,
817 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
818 		(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
819 		(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
820 		(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
821 
822 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUX,
823 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
824 		(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
825 		(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
826 
827 	vcn_v1_0_mc_resume_spg_mode(adev);
828 
829 	WREG32_SOC15(UVD, 0, mmUVD_REG_XX_MASK, 0x10);
830 	WREG32_SOC15(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK,
831 		RREG32_SOC15(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK) | 0x3);
832 
833 	/* enable VCPU clock */
834 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CNTL, UVD_VCPU_CNTL__CLK_EN_MASK);
835 
836 	/* boot up the VCPU */
837 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
838 			~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
839 
840 	/* enable UMC */
841 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0,
842 			~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
843 
844 	tmp = RREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET);
845 	tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
846 	tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
847 	WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, tmp);
848 
849 	for (i = 0; i < 10; ++i) {
850 		uint32_t status;
851 
852 		for (j = 0; j < 100; ++j) {
853 			status = RREG32_SOC15(UVD, 0, mmUVD_STATUS);
854 			if (status & UVD_STATUS__IDLE)
855 				break;
856 			mdelay(10);
857 		}
858 		r = 0;
859 		if (status & UVD_STATUS__IDLE)
860 			break;
861 
862 		DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
863 		WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
864 				UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
865 				~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
866 		mdelay(10);
867 		WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
868 				~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
869 		mdelay(10);
870 		r = -1;
871 	}
872 
873 	if (r) {
874 		DRM_ERROR("VCN decode not responding, giving up!!!\n");
875 		return r;
876 	}
877 	/* enable master interrupt */
878 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN),
879 		UVD_MASTINT_EN__VCPU_EN_MASK, ~UVD_MASTINT_EN__VCPU_EN_MASK);
880 
881 	/* enable system interrupt for JRBC, TODO: move to set interrupt*/
882 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SYS_INT_EN),
883 		UVD_SYS_INT_EN__UVD_JRBC_EN_MASK,
884 		~UVD_SYS_INT_EN__UVD_JRBC_EN_MASK);
885 
886 	/* clear the busy bit of UVD_STATUS */
887 	tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) & ~UVD_STATUS__UVD_BUSY;
888 	WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
889 
890 	/* force RBC into idle state */
891 	rb_bufsz = order_base_2(ring->ring_size);
892 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
893 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
894 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
895 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
896 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
897 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
898 
899 	/* set the write pointer delay */
900 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
901 
902 	/* set the wb address */
903 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR,
904 			(upper_32_bits(ring->gpu_addr) >> 2));
905 
906 	/* programm the RB_BASE for ring buffer */
907 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
908 			lower_32_bits(ring->gpu_addr));
909 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
910 			upper_32_bits(ring->gpu_addr));
911 
912 	/* Initialize the ring buffer's read and write pointers */
913 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
914 
915 	WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
916 
917 	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
918 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
919 			lower_32_bits(ring->wptr));
920 
921 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0,
922 			~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
923 
924 	ring = &adev->vcn.ring_enc[0];
925 	WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
926 	WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
927 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
928 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
929 	WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
930 
931 	ring = &adev->vcn.ring_enc[1];
932 	WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
933 	WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
934 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
935 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
936 	WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
937 
938 	ring = &adev->vcn.ring_jpeg;
939 	WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
940 	WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_CNTL, UVD_JRBC_RB_CNTL__RB_NO_FETCH_MASK |
941 			UVD_JRBC_RB_CNTL__RB_RPTR_WR_EN_MASK);
942 	WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW, lower_32_bits(ring->gpu_addr));
943 	WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH, upper_32_bits(ring->gpu_addr));
944 	WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_RPTR, 0);
945 	WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR, 0);
946 	WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_CNTL, UVD_JRBC_RB_CNTL__RB_RPTR_WR_EN_MASK);
947 
948 	/* initialize wptr */
949 	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
950 
951 	/* copy patch commands to the jpeg ring */
952 	vcn_v1_0_jpeg_ring_set_patch_ring(ring,
953 		(ring->wptr + ring->max_dw * amdgpu_sched_hw_submission));
954 
955 	return 0;
956 }
957 
958 static int vcn_v1_0_start_dpg_mode(struct amdgpu_device *adev)
959 {
960 	struct amdgpu_ring *ring = &adev->vcn.ring_dec;
961 	uint32_t rb_bufsz, tmp;
962 	uint32_t lmi_swap_cntl;
963 
964 	/* disable byte swapping */
965 	lmi_swap_cntl = 0;
966 
967 	vcn_1_0_enable_static_power_gating(adev);
968 
969 	/* enable dynamic power gating mode */
970 	tmp = RREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS);
971 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
972 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
973 	WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, tmp);
974 
975 	/* enable clock gating */
976 	vcn_v1_0_clock_gating_dpg_mode(adev, 0);
977 
978 	/* enable VCPU clock */
979 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
980 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
981 	tmp |= UVD_VCPU_CNTL__MIF_WR_LOW_THRESHOLD_BP_MASK;
982 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CNTL, tmp, 0xFFFFFFFF, 0);
983 
984 	/* disable interupt */
985 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MASTINT_EN,
986 			0, UVD_MASTINT_EN__VCPU_EN_MASK, 0);
987 
988 	/* initialize VCN memory controller */
989 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL,
990 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
991 		UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
992 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
993 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
994 		UVD_LMI_CTRL__REQ_MODE_MASK |
995 		UVD_LMI_CTRL__CRC_RESET_MASK |
996 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
997 		0x00100000L, 0xFFFFFFFF, 0);
998 
999 #ifdef __BIG_ENDIAN
1000 	/* swap (8 in 32) RB and IB */
1001 	lmi_swap_cntl = 0xa;
1002 #endif
1003 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl, 0xFFFFFFFF, 0);
1004 
1005 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MPC_CNTL,
1006 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0xFFFFFFFF, 0);
1007 
1008 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MPC_SET_MUXA0,
1009 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1010 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1011 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1012 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0xFFFFFFFF, 0);
1013 
1014 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MPC_SET_MUXB0,
1015 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1016 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1017 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1018 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0xFFFFFFFF, 0);
1019 
1020 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MPC_SET_MUX,
1021 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1022 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1023 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0xFFFFFFFF, 0);
1024 
1025 	vcn_v1_0_mc_resume_dpg_mode(adev);
1026 
1027 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_REG_XX_MASK, 0x10, 0xFFFFFFFF, 0);
1028 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK, 0x3, 0xFFFFFFFF, 0);
1029 
1030 	/* boot up the VCPU */
1031 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SOFT_RESET, 0, 0xFFFFFFFF, 0);
1032 
1033 	/* enable UMC */
1034 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL2,
1035 		0x1F << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT,
1036 		0xFFFFFFFF, 0);
1037 
1038 	/* enable master interrupt */
1039 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MASTINT_EN,
1040 			UVD_MASTINT_EN__VCPU_EN_MASK, UVD_MASTINT_EN__VCPU_EN_MASK, 0);
1041 
1042 	vcn_v1_0_clock_gating_dpg_mode(adev, 1);
1043 	/* setup mmUVD_LMI_CTRL */
1044 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL,
1045 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
1046 		UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
1047 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1048 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
1049 		UVD_LMI_CTRL__REQ_MODE_MASK |
1050 		UVD_LMI_CTRL__CRC_RESET_MASK |
1051 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1052 		0x00100000L, 0xFFFFFFFF, 1);
1053 
1054 	tmp = adev->gfx.config.gb_addr_config;
1055 	/* setup VCN global tiling registers */
1056 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_JPEG_ADDR_CONFIG, tmp, 0xFFFFFFFF, 1);
1057 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_JPEG_UV_ADDR_CONFIG, tmp, 0xFFFFFFFF, 1);
1058 
1059 	/* enable System Interrupt for JRBC */
1060 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SYS_INT_EN,
1061 									UVD_SYS_INT_EN__UVD_JRBC_EN_MASK, 0xFFFFFFFF, 1);
1062 
1063 	/* force RBC into idle state */
1064 	rb_bufsz = order_base_2(ring->ring_size);
1065 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1066 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1067 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1068 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1069 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1070 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
1071 
1072 	/* set the write pointer delay */
1073 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
1074 
1075 	/* set the wb address */
1076 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR,
1077 								(upper_32_bits(ring->gpu_addr) >> 2));
1078 
1079 	/* programm the RB_BASE for ring buffer */
1080 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1081 								lower_32_bits(ring->gpu_addr));
1082 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1083 								upper_32_bits(ring->gpu_addr));
1084 
1085 	/* Initialize the ring buffer's read and write pointers */
1086 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
1087 
1088 	WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
1089 
1090 	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1091 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1092 								lower_32_bits(ring->wptr));
1093 
1094 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0,
1095 			~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
1096 
1097 	/* initialize wptr */
1098 	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
1099 
1100 	/* copy patch commands to the jpeg ring */
1101 	vcn_v1_0_jpeg_ring_set_patch_ring(ring,
1102 		(ring->wptr + ring->max_dw * amdgpu_sched_hw_submission));
1103 
1104 	return 0;
1105 }
1106 
1107 static int vcn_v1_0_start(struct amdgpu_device *adev)
1108 {
1109 	int r;
1110 
1111 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1112 		r = vcn_v1_0_start_dpg_mode(adev);
1113 	else
1114 		r = vcn_v1_0_start_spg_mode(adev);
1115 	return r;
1116 }
1117 
1118 /**
1119  * vcn_v1_0_stop - stop VCN block
1120  *
1121  * @adev: amdgpu_device pointer
1122  *
1123  * stop the VCN block
1124  */
1125 static int vcn_v1_0_stop_spg_mode(struct amdgpu_device *adev)
1126 {
1127 	int ret_code, tmp;
1128 
1129 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7, ret_code);
1130 
1131 	tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1132 		UVD_LMI_STATUS__READ_CLEAN_MASK |
1133 		UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1134 		UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1135 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp, ret_code);
1136 
1137 	/* put VCPU into reset */
1138 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1139 		UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
1140 		~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1141 
1142 	tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
1143 		UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1144 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp, ret_code);
1145 
1146 	/* disable VCPU clock */
1147 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 0,
1148 		~UVD_VCPU_CNTL__CLK_EN_MASK);
1149 
1150 	/* reset LMI UMC/LMI */
1151 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1152 		UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK,
1153 		~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
1154 
1155 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1156 		UVD_SOFT_RESET__LMI_SOFT_RESET_MASK,
1157 		~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK);
1158 
1159 	WREG32_SOC15(UVD, 0, mmUVD_STATUS, 0);
1160 
1161 	vcn_v1_0_enable_clock_gating(adev);
1162 	vcn_1_0_enable_static_power_gating(adev);
1163 	return 0;
1164 }
1165 
1166 static int vcn_v1_0_stop_dpg_mode(struct amdgpu_device *adev)
1167 {
1168 	int ret_code = 0;
1169 
1170 	/* Wait for power status to be UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF */
1171 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1172 			UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
1173 			UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
1174 
1175 	if (!ret_code) {
1176 		int tmp = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1177 		/* wait for read ptr to be equal to write ptr */
1178 		SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
1179 
1180 		SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1181 			UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
1182 			UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
1183 	}
1184 
1185 	/* disable dynamic power gating mode */
1186 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0,
1187 			~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1188 
1189 	return 0;
1190 }
1191 
1192 static int vcn_v1_0_stop(struct amdgpu_device *adev)
1193 {
1194 	int r;
1195 
1196 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1197 		r = vcn_v1_0_stop_dpg_mode(adev);
1198 	else
1199 		r = vcn_v1_0_stop_spg_mode(adev);
1200 
1201 	return r;
1202 }
1203 
1204 static bool vcn_v1_0_is_idle(void *handle)
1205 {
1206 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1207 
1208 	return (RREG32_SOC15(VCN, 0, mmUVD_STATUS) == UVD_STATUS__IDLE);
1209 }
1210 
1211 static int vcn_v1_0_wait_for_idle(void *handle)
1212 {
1213 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1214 	int ret = 0;
1215 
1216 	SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE,
1217 		UVD_STATUS__IDLE, ret);
1218 
1219 	return ret;
1220 }
1221 
1222 static int vcn_v1_0_set_clockgating_state(void *handle,
1223 					  enum amd_clockgating_state state)
1224 {
1225 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1226 	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
1227 
1228 	if (enable) {
1229 		/* wait for STATUS to clear */
1230 		if (vcn_v1_0_is_idle(handle))
1231 			return -EBUSY;
1232 		vcn_v1_0_enable_clock_gating(adev);
1233 	} else {
1234 		/* disable HW gating and enable Sw gating */
1235 		vcn_v1_0_disable_clock_gating(adev);
1236 	}
1237 	return 0;
1238 }
1239 
1240 /**
1241  * vcn_v1_0_dec_ring_get_rptr - get read pointer
1242  *
1243  * @ring: amdgpu_ring pointer
1244  *
1245  * Returns the current hardware read pointer
1246  */
1247 static uint64_t vcn_v1_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
1248 {
1249 	struct amdgpu_device *adev = ring->adev;
1250 
1251 	return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1252 }
1253 
1254 /**
1255  * vcn_v1_0_dec_ring_get_wptr - get write pointer
1256  *
1257  * @ring: amdgpu_ring pointer
1258  *
1259  * Returns the current hardware write pointer
1260  */
1261 static uint64_t vcn_v1_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
1262 {
1263 	struct amdgpu_device *adev = ring->adev;
1264 
1265 	return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR);
1266 }
1267 
1268 /**
1269  * vcn_v1_0_dec_ring_set_wptr - set write pointer
1270  *
1271  * @ring: amdgpu_ring pointer
1272  *
1273  * Commits the write pointer to the hardware
1274  */
1275 static void vcn_v1_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
1276 {
1277 	struct amdgpu_device *adev = ring->adev;
1278 
1279 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1280 		WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2,
1281 			lower_32_bits(ring->wptr) | 0x80000000);
1282 
1283 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1284 }
1285 
1286 /**
1287  * vcn_v1_0_dec_ring_insert_start - insert a start command
1288  *
1289  * @ring: amdgpu_ring pointer
1290  *
1291  * Write a start command to the ring.
1292  */
1293 static void vcn_v1_0_dec_ring_insert_start(struct amdgpu_ring *ring)
1294 {
1295 	struct amdgpu_device *adev = ring->adev;
1296 
1297 	amdgpu_ring_write(ring,
1298 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1299 	amdgpu_ring_write(ring, 0);
1300 	amdgpu_ring_write(ring,
1301 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1302 	amdgpu_ring_write(ring, VCN_DEC_CMD_PACKET_START << 1);
1303 }
1304 
1305 /**
1306  * vcn_v1_0_dec_ring_insert_end - insert a end command
1307  *
1308  * @ring: amdgpu_ring pointer
1309  *
1310  * Write a end command to the ring.
1311  */
1312 static void vcn_v1_0_dec_ring_insert_end(struct amdgpu_ring *ring)
1313 {
1314 	struct amdgpu_device *adev = ring->adev;
1315 
1316 	amdgpu_ring_write(ring,
1317 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1318 	amdgpu_ring_write(ring, VCN_DEC_CMD_PACKET_END << 1);
1319 }
1320 
1321 /**
1322  * vcn_v1_0_dec_ring_emit_fence - emit an fence & trap command
1323  *
1324  * @ring: amdgpu_ring pointer
1325  * @fence: fence to emit
1326  *
1327  * Write a fence and a trap command to the ring.
1328  */
1329 static void vcn_v1_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
1330 				     unsigned flags)
1331 {
1332 	struct amdgpu_device *adev = ring->adev;
1333 
1334 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1335 
1336 	amdgpu_ring_write(ring,
1337 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0));
1338 	amdgpu_ring_write(ring, seq);
1339 	amdgpu_ring_write(ring,
1340 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1341 	amdgpu_ring_write(ring, addr & 0xffffffff);
1342 	amdgpu_ring_write(ring,
1343 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1344 	amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
1345 	amdgpu_ring_write(ring,
1346 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1347 	amdgpu_ring_write(ring, VCN_DEC_CMD_FENCE << 1);
1348 
1349 	amdgpu_ring_write(ring,
1350 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1351 	amdgpu_ring_write(ring, 0);
1352 	amdgpu_ring_write(ring,
1353 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1354 	amdgpu_ring_write(ring, 0);
1355 	amdgpu_ring_write(ring,
1356 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1357 	amdgpu_ring_write(ring, VCN_DEC_CMD_TRAP << 1);
1358 }
1359 
1360 /**
1361  * vcn_v1_0_dec_ring_emit_ib - execute indirect buffer
1362  *
1363  * @ring: amdgpu_ring pointer
1364  * @ib: indirect buffer to execute
1365  *
1366  * Write ring commands to execute the indirect buffer
1367  */
1368 static void vcn_v1_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
1369 				  struct amdgpu_ib *ib,
1370 				  unsigned vmid, bool ctx_switch)
1371 {
1372 	struct amdgpu_device *adev = ring->adev;
1373 
1374 	amdgpu_ring_write(ring,
1375 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_VMID), 0));
1376 	amdgpu_ring_write(ring, vmid);
1377 
1378 	amdgpu_ring_write(ring,
1379 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_64BIT_BAR_LOW), 0));
1380 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1381 	amdgpu_ring_write(ring,
1382 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH), 0));
1383 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1384 	amdgpu_ring_write(ring,
1385 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_IB_SIZE), 0));
1386 	amdgpu_ring_write(ring, ib->length_dw);
1387 }
1388 
1389 static void vcn_v1_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring,
1390 					    uint32_t reg, uint32_t val,
1391 					    uint32_t mask)
1392 {
1393 	struct amdgpu_device *adev = ring->adev;
1394 
1395 	amdgpu_ring_write(ring,
1396 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1397 	amdgpu_ring_write(ring, reg << 2);
1398 	amdgpu_ring_write(ring,
1399 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1400 	amdgpu_ring_write(ring, val);
1401 	amdgpu_ring_write(ring,
1402 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GP_SCRATCH8), 0));
1403 	amdgpu_ring_write(ring, mask);
1404 	amdgpu_ring_write(ring,
1405 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1406 	amdgpu_ring_write(ring, VCN_DEC_CMD_REG_READ_COND_WAIT << 1);
1407 }
1408 
1409 static void vcn_v1_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
1410 					    unsigned vmid, uint64_t pd_addr)
1411 {
1412 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1413 	uint32_t data0, data1, mask;
1414 
1415 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1416 
1417 	/* wait for register write */
1418 	data0 = hub->ctx0_ptb_addr_lo32 + vmid * 2;
1419 	data1 = lower_32_bits(pd_addr);
1420 	mask = 0xffffffff;
1421 	vcn_v1_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
1422 }
1423 
1424 static void vcn_v1_0_dec_ring_emit_wreg(struct amdgpu_ring *ring,
1425 					uint32_t reg, uint32_t val)
1426 {
1427 	struct amdgpu_device *adev = ring->adev;
1428 
1429 	amdgpu_ring_write(ring,
1430 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
1431 	amdgpu_ring_write(ring, reg << 2);
1432 	amdgpu_ring_write(ring,
1433 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
1434 	amdgpu_ring_write(ring, val);
1435 	amdgpu_ring_write(ring,
1436 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
1437 	amdgpu_ring_write(ring, VCN_DEC_CMD_WRITE_REG << 1);
1438 }
1439 
1440 /**
1441  * vcn_v1_0_enc_ring_get_rptr - get enc read pointer
1442  *
1443  * @ring: amdgpu_ring pointer
1444  *
1445  * Returns the current hardware enc read pointer
1446  */
1447 static uint64_t vcn_v1_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
1448 {
1449 	struct amdgpu_device *adev = ring->adev;
1450 
1451 	if (ring == &adev->vcn.ring_enc[0])
1452 		return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR);
1453 	else
1454 		return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2);
1455 }
1456 
1457  /**
1458  * vcn_v1_0_enc_ring_get_wptr - get enc write pointer
1459  *
1460  * @ring: amdgpu_ring pointer
1461  *
1462  * Returns the current hardware enc write pointer
1463  */
1464 static uint64_t vcn_v1_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
1465 {
1466 	struct amdgpu_device *adev = ring->adev;
1467 
1468 	if (ring == &adev->vcn.ring_enc[0])
1469 		return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
1470 	else
1471 		return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
1472 }
1473 
1474  /**
1475  * vcn_v1_0_enc_ring_set_wptr - set enc write pointer
1476  *
1477  * @ring: amdgpu_ring pointer
1478  *
1479  * Commits the enc write pointer to the hardware
1480  */
1481 static void vcn_v1_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
1482 {
1483 	struct amdgpu_device *adev = ring->adev;
1484 
1485 	if (ring == &adev->vcn.ring_enc[0])
1486 		WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR,
1487 			lower_32_bits(ring->wptr));
1488 	else
1489 		WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2,
1490 			lower_32_bits(ring->wptr));
1491 }
1492 
1493 /**
1494  * vcn_v1_0_enc_ring_emit_fence - emit an enc fence & trap command
1495  *
1496  * @ring: amdgpu_ring pointer
1497  * @fence: fence to emit
1498  *
1499  * Write enc a fence and a trap command to the ring.
1500  */
1501 static void vcn_v1_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
1502 			u64 seq, unsigned flags)
1503 {
1504 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1505 
1506 	amdgpu_ring_write(ring, VCN_ENC_CMD_FENCE);
1507 	amdgpu_ring_write(ring, addr);
1508 	amdgpu_ring_write(ring, upper_32_bits(addr));
1509 	amdgpu_ring_write(ring, seq);
1510 	amdgpu_ring_write(ring, VCN_ENC_CMD_TRAP);
1511 }
1512 
1513 static void vcn_v1_0_enc_ring_insert_end(struct amdgpu_ring *ring)
1514 {
1515 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
1516 }
1517 
1518 /**
1519  * vcn_v1_0_enc_ring_emit_ib - enc execute indirect buffer
1520  *
1521  * @ring: amdgpu_ring pointer
1522  * @ib: indirect buffer to execute
1523  *
1524  * Write enc ring commands to execute the indirect buffer
1525  */
1526 static void vcn_v1_0_enc_ring_emit_ib(struct amdgpu_ring *ring,
1527 		struct amdgpu_ib *ib, unsigned int vmid, bool ctx_switch)
1528 {
1529 	amdgpu_ring_write(ring, VCN_ENC_CMD_IB);
1530 	amdgpu_ring_write(ring, vmid);
1531 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1532 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1533 	amdgpu_ring_write(ring, ib->length_dw);
1534 }
1535 
1536 static void vcn_v1_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring,
1537 					    uint32_t reg, uint32_t val,
1538 					    uint32_t mask)
1539 {
1540 	amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT);
1541 	amdgpu_ring_write(ring, reg << 2);
1542 	amdgpu_ring_write(ring, mask);
1543 	amdgpu_ring_write(ring, val);
1544 }
1545 
1546 static void vcn_v1_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
1547 					    unsigned int vmid, uint64_t pd_addr)
1548 {
1549 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1550 
1551 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1552 
1553 	/* wait for reg writes */
1554 	vcn_v1_0_enc_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 + vmid * 2,
1555 					lower_32_bits(pd_addr), 0xffffffff);
1556 }
1557 
1558 static void vcn_v1_0_enc_ring_emit_wreg(struct amdgpu_ring *ring,
1559 					uint32_t reg, uint32_t val)
1560 {
1561 	amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
1562 	amdgpu_ring_write(ring,	reg << 2);
1563 	amdgpu_ring_write(ring, val);
1564 }
1565 
1566 
1567 /**
1568  * vcn_v1_0_jpeg_ring_get_rptr - get read pointer
1569  *
1570  * @ring: amdgpu_ring pointer
1571  *
1572  * Returns the current hardware read pointer
1573  */
1574 static uint64_t vcn_v1_0_jpeg_ring_get_rptr(struct amdgpu_ring *ring)
1575 {
1576 	struct amdgpu_device *adev = ring->adev;
1577 
1578 	return RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_RPTR);
1579 }
1580 
1581 /**
1582  * vcn_v1_0_jpeg_ring_get_wptr - get write pointer
1583  *
1584  * @ring: amdgpu_ring pointer
1585  *
1586  * Returns the current hardware write pointer
1587  */
1588 static uint64_t vcn_v1_0_jpeg_ring_get_wptr(struct amdgpu_ring *ring)
1589 {
1590 	struct amdgpu_device *adev = ring->adev;
1591 
1592 	return RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
1593 }
1594 
1595 /**
1596  * vcn_v1_0_jpeg_ring_set_wptr - set write pointer
1597  *
1598  * @ring: amdgpu_ring pointer
1599  *
1600  * Commits the write pointer to the hardware
1601  */
1602 static void vcn_v1_0_jpeg_ring_set_wptr(struct amdgpu_ring *ring)
1603 {
1604 	struct amdgpu_device *adev = ring->adev;
1605 
1606 	WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
1607 }
1608 
1609 /**
1610  * vcn_v1_0_jpeg_ring_insert_start - insert a start command
1611  *
1612  * @ring: amdgpu_ring pointer
1613  *
1614  * Write a start command to the ring.
1615  */
1616 static void vcn_v1_0_jpeg_ring_insert_start(struct amdgpu_ring *ring)
1617 {
1618 	struct amdgpu_device *adev = ring->adev;
1619 
1620 	amdgpu_ring_write(ring,
1621 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
1622 	amdgpu_ring_write(ring, 0x68e04);
1623 
1624 	amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE0));
1625 	amdgpu_ring_write(ring, 0x80010000);
1626 }
1627 
1628 /**
1629  * vcn_v1_0_jpeg_ring_insert_end - insert a end command
1630  *
1631  * @ring: amdgpu_ring pointer
1632  *
1633  * Write a end command to the ring.
1634  */
1635 static void vcn_v1_0_jpeg_ring_insert_end(struct amdgpu_ring *ring)
1636 {
1637 	struct amdgpu_device *adev = ring->adev;
1638 
1639 	amdgpu_ring_write(ring,
1640 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
1641 	amdgpu_ring_write(ring, 0x68e04);
1642 
1643 	amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE0));
1644 	amdgpu_ring_write(ring, 0x00010000);
1645 }
1646 
1647 /**
1648  * vcn_v1_0_jpeg_ring_emit_fence - emit an fence & trap command
1649  *
1650  * @ring: amdgpu_ring pointer
1651  * @fence: fence to emit
1652  *
1653  * Write a fence and a trap command to the ring.
1654  */
1655 static void vcn_v1_0_jpeg_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
1656 				     unsigned flags)
1657 {
1658 	struct amdgpu_device *adev = ring->adev;
1659 
1660 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1661 
1662 	amdgpu_ring_write(ring,
1663 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_GPCOM_DATA0), 0, 0, PACKETJ_TYPE0));
1664 	amdgpu_ring_write(ring, seq);
1665 
1666 	amdgpu_ring_write(ring,
1667 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_GPCOM_DATA1), 0, 0, PACKETJ_TYPE0));
1668 	amdgpu_ring_write(ring, seq);
1669 
1670 	amdgpu_ring_write(ring,
1671 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
1672 	amdgpu_ring_write(ring, lower_32_bits(addr));
1673 
1674 	amdgpu_ring_write(ring,
1675 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
1676 	amdgpu_ring_write(ring, upper_32_bits(addr));
1677 
1678 	amdgpu_ring_write(ring,
1679 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_GPCOM_CMD), 0, 0, PACKETJ_TYPE0));
1680 	amdgpu_ring_write(ring, 0x8);
1681 
1682 	amdgpu_ring_write(ring,
1683 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_GPCOM_CMD), 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE4));
1684 	amdgpu_ring_write(ring, 0);
1685 
1686 	amdgpu_ring_write(ring,
1687 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
1688 	amdgpu_ring_write(ring, 0x01400200);
1689 
1690 	amdgpu_ring_write(ring,
1691 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
1692 	amdgpu_ring_write(ring, seq);
1693 
1694 	amdgpu_ring_write(ring,
1695 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
1696 	amdgpu_ring_write(ring, lower_32_bits(addr));
1697 
1698 	amdgpu_ring_write(ring,
1699 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
1700 	amdgpu_ring_write(ring, upper_32_bits(addr));
1701 
1702 	amdgpu_ring_write(ring,
1703 		PACKETJ(0, 0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE2));
1704 	amdgpu_ring_write(ring, 0xffffffff);
1705 
1706 	amdgpu_ring_write(ring,
1707 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
1708 	amdgpu_ring_write(ring, 0x3fbc);
1709 
1710 	amdgpu_ring_write(ring,
1711 		PACKETJ(0, 0, 0, PACKETJ_TYPE0));
1712 	amdgpu_ring_write(ring, 0x1);
1713 
1714 	/* emit trap */
1715 	amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE7));
1716 	amdgpu_ring_write(ring, 0);
1717 }
1718 
1719 /**
1720  * vcn_v1_0_jpeg_ring_emit_ib - execute indirect buffer
1721  *
1722  * @ring: amdgpu_ring pointer
1723  * @ib: indirect buffer to execute
1724  *
1725  * Write ring commands to execute the indirect buffer.
1726  */
1727 static void vcn_v1_0_jpeg_ring_emit_ib(struct amdgpu_ring *ring,
1728 				  struct amdgpu_ib *ib,
1729 				  unsigned vmid, bool ctx_switch)
1730 {
1731 	struct amdgpu_device *adev = ring->adev;
1732 
1733 	amdgpu_ring_write(ring,
1734 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_IB_VMID), 0, 0, PACKETJ_TYPE0));
1735 	amdgpu_ring_write(ring, (vmid | (vmid << 4)));
1736 
1737 	amdgpu_ring_write(ring,
1738 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JPEG_VMID), 0, 0, PACKETJ_TYPE0));
1739 	amdgpu_ring_write(ring, (vmid | (vmid << 4)));
1740 
1741 	amdgpu_ring_write(ring,
1742 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
1743 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1744 
1745 	amdgpu_ring_write(ring,
1746 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_IB_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
1747 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1748 
1749 	amdgpu_ring_write(ring,
1750 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_IB_SIZE), 0, 0, PACKETJ_TYPE0));
1751 	amdgpu_ring_write(ring, ib->length_dw);
1752 
1753 	amdgpu_ring_write(ring,
1754 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
1755 	amdgpu_ring_write(ring, lower_32_bits(ring->gpu_addr));
1756 
1757 	amdgpu_ring_write(ring,
1758 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
1759 	amdgpu_ring_write(ring, upper_32_bits(ring->gpu_addr));
1760 
1761 	amdgpu_ring_write(ring,
1762 		PACKETJ(0, 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE2));
1763 	amdgpu_ring_write(ring, 0);
1764 
1765 	amdgpu_ring_write(ring,
1766 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
1767 	amdgpu_ring_write(ring, 0x01400200);
1768 
1769 	amdgpu_ring_write(ring,
1770 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
1771 	amdgpu_ring_write(ring, 0x2);
1772 
1773 	amdgpu_ring_write(ring,
1774 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_STATUS), 0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE3));
1775 	amdgpu_ring_write(ring, 0x2);
1776 }
1777 
1778 static void vcn_v1_0_jpeg_ring_emit_reg_wait(struct amdgpu_ring *ring,
1779 					    uint32_t reg, uint32_t val,
1780 					    uint32_t mask)
1781 {
1782 	struct amdgpu_device *adev = ring->adev;
1783 	uint32_t reg_offset = (reg << 2);
1784 
1785 	amdgpu_ring_write(ring,
1786 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
1787 	amdgpu_ring_write(ring, 0x01400200);
1788 
1789 	amdgpu_ring_write(ring,
1790 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
1791 	amdgpu_ring_write(ring, val);
1792 
1793 	amdgpu_ring_write(ring,
1794 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
1795 	if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
1796 		((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
1797 		amdgpu_ring_write(ring, 0);
1798 		amdgpu_ring_write(ring,
1799 			PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3));
1800 	} else {
1801 		amdgpu_ring_write(ring, reg_offset);
1802 		amdgpu_ring_write(ring,
1803 			PACKETJ(0, 0, 0, PACKETJ_TYPE3));
1804 	}
1805 	amdgpu_ring_write(ring, mask);
1806 }
1807 
1808 static void vcn_v1_0_jpeg_ring_emit_vm_flush(struct amdgpu_ring *ring,
1809 		unsigned vmid, uint64_t pd_addr)
1810 {
1811 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1812 	uint32_t data0, data1, mask;
1813 
1814 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1815 
1816 	/* wait for register write */
1817 	data0 = hub->ctx0_ptb_addr_lo32 + vmid * 2;
1818 	data1 = lower_32_bits(pd_addr);
1819 	mask = 0xffffffff;
1820 	vcn_v1_0_jpeg_ring_emit_reg_wait(ring, data0, data1, mask);
1821 }
1822 
1823 static void vcn_v1_0_jpeg_ring_emit_wreg(struct amdgpu_ring *ring,
1824 					uint32_t reg, uint32_t val)
1825 {
1826 	struct amdgpu_device *adev = ring->adev;
1827 	uint32_t reg_offset = (reg << 2);
1828 
1829 	amdgpu_ring_write(ring,
1830 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
1831 	if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
1832 			((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
1833 		amdgpu_ring_write(ring, 0);
1834 		amdgpu_ring_write(ring,
1835 			PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0));
1836 	} else {
1837 		amdgpu_ring_write(ring, reg_offset);
1838 		amdgpu_ring_write(ring,
1839 			PACKETJ(0, 0, 0, PACKETJ_TYPE0));
1840 	}
1841 	amdgpu_ring_write(ring, val);
1842 }
1843 
1844 static void vcn_v1_0_jpeg_ring_nop(struct amdgpu_ring *ring, uint32_t count)
1845 {
1846 	int i;
1847 
1848 	WARN_ON(ring->wptr % 2 || count % 2);
1849 
1850 	for (i = 0; i < count / 2; i++) {
1851 		amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE6));
1852 		amdgpu_ring_write(ring, 0);
1853 	}
1854 }
1855 
1856 static void vcn_v1_0_jpeg_ring_patch_wreg(struct amdgpu_ring *ring, uint32_t *ptr, uint32_t reg_offset, uint32_t val)
1857 {
1858 	struct amdgpu_device *adev = ring->adev;
1859 	ring->ring[(*ptr)++] = PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0);
1860 	if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
1861 		((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
1862 		ring->ring[(*ptr)++] = 0;
1863 		ring->ring[(*ptr)++] = PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0);
1864 	} else {
1865 		ring->ring[(*ptr)++] = reg_offset;
1866 		ring->ring[(*ptr)++] = PACKETJ(0, 0, 0, PACKETJ_TYPE0);
1867 	}
1868 	ring->ring[(*ptr)++] = val;
1869 }
1870 
1871 static void vcn_v1_0_jpeg_ring_set_patch_ring(struct amdgpu_ring *ring, uint32_t ptr)
1872 {
1873 	struct amdgpu_device *adev = ring->adev;
1874 
1875 	uint32_t reg, reg_offset, val, mask, i;
1876 
1877 	// 1st: program mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW
1878 	reg = SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW);
1879 	reg_offset = (reg << 2);
1880 	val = lower_32_bits(ring->gpu_addr);
1881 	vcn_v1_0_jpeg_ring_patch_wreg(ring, &ptr, reg_offset, val);
1882 
1883 	// 2nd: program mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH
1884 	reg = SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH);
1885 	reg_offset = (reg << 2);
1886 	val = upper_32_bits(ring->gpu_addr);
1887 	vcn_v1_0_jpeg_ring_patch_wreg(ring, &ptr, reg_offset, val);
1888 
1889 	// 3rd to 5th: issue MEM_READ commands
1890 	for (i = 0; i <= 2; i++) {
1891 		ring->ring[ptr++] = PACKETJ(0, 0, 0, PACKETJ_TYPE2);
1892 		ring->ring[ptr++] = 0;
1893 	}
1894 
1895 	// 6th: program mmUVD_JRBC_RB_CNTL register to enable NO_FETCH and RPTR write ability
1896 	reg = SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_CNTL);
1897 	reg_offset = (reg << 2);
1898 	val = 0x13;
1899 	vcn_v1_0_jpeg_ring_patch_wreg(ring, &ptr, reg_offset, val);
1900 
1901 	// 7th: program mmUVD_JRBC_RB_REF_DATA
1902 	reg = SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_REF_DATA);
1903 	reg_offset = (reg << 2);
1904 	val = 0x1;
1905 	vcn_v1_0_jpeg_ring_patch_wreg(ring, &ptr, reg_offset, val);
1906 
1907 	// 8th: issue conditional register read mmUVD_JRBC_RB_CNTL
1908 	reg = SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_CNTL);
1909 	reg_offset = (reg << 2);
1910 	val = 0x1;
1911 	mask = 0x1;
1912 
1913 	ring->ring[ptr++] = PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0);
1914 	ring->ring[ptr++] = 0x01400200;
1915 	ring->ring[ptr++] = PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0);
1916 	ring->ring[ptr++] = val;
1917 	ring->ring[ptr++] = PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0);
1918 	if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
1919 		((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
1920 		ring->ring[ptr++] = 0;
1921 		ring->ring[ptr++] = PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3);
1922 	} else {
1923 		ring->ring[ptr++] = reg_offset;
1924 		ring->ring[ptr++] = PACKETJ(0, 0, 0, PACKETJ_TYPE3);
1925 	}
1926 	ring->ring[ptr++] = mask;
1927 
1928 	//9th to 21st: insert no-op
1929 	for (i = 0; i <= 12; i++) {
1930 		ring->ring[ptr++] = PACKETJ(0, 0, 0, PACKETJ_TYPE6);
1931 		ring->ring[ptr++] = 0;
1932 	}
1933 
1934 	//22nd: reset mmUVD_JRBC_RB_RPTR
1935 	reg = SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_RPTR);
1936 	reg_offset = (reg << 2);
1937 	val = 0;
1938 	vcn_v1_0_jpeg_ring_patch_wreg(ring, &ptr, reg_offset, val);
1939 
1940 	//23rd: program mmUVD_JRBC_RB_CNTL to disable no_fetch
1941 	reg = SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_CNTL);
1942 	reg_offset = (reg << 2);
1943 	val = 0x12;
1944 	vcn_v1_0_jpeg_ring_patch_wreg(ring, &ptr, reg_offset, val);
1945 }
1946 
1947 static int vcn_v1_0_set_interrupt_state(struct amdgpu_device *adev,
1948 					struct amdgpu_irq_src *source,
1949 					unsigned type,
1950 					enum amdgpu_interrupt_state state)
1951 {
1952 	return 0;
1953 }
1954 
1955 static int vcn_v1_0_process_interrupt(struct amdgpu_device *adev,
1956 				      struct amdgpu_irq_src *source,
1957 				      struct amdgpu_iv_entry *entry)
1958 {
1959 	DRM_DEBUG("IH: VCN TRAP\n");
1960 
1961 	switch (entry->src_id) {
1962 	case 124:
1963 		amdgpu_fence_process(&adev->vcn.ring_dec);
1964 		break;
1965 	case 119:
1966 		amdgpu_fence_process(&adev->vcn.ring_enc[0]);
1967 		break;
1968 	case 120:
1969 		amdgpu_fence_process(&adev->vcn.ring_enc[1]);
1970 		break;
1971 	case 126:
1972 		amdgpu_fence_process(&adev->vcn.ring_jpeg);
1973 		break;
1974 	default:
1975 		DRM_ERROR("Unhandled interrupt: %d %d\n",
1976 			  entry->src_id, entry->src_data[0]);
1977 		break;
1978 	}
1979 
1980 	return 0;
1981 }
1982 
1983 static void vcn_v1_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
1984 {
1985 	struct amdgpu_device *adev = ring->adev;
1986 	int i;
1987 
1988 	WARN_ON(ring->wptr % 2 || count % 2);
1989 
1990 	for (i = 0; i < count / 2; i++) {
1991 		amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0));
1992 		amdgpu_ring_write(ring, 0);
1993 	}
1994 }
1995 
1996 static int vcn_v1_0_set_powergating_state(void *handle,
1997 					  enum amd_powergating_state state)
1998 {
1999 	/* This doesn't actually powergate the VCN block.
2000 	 * That's done in the dpm code via the SMC.  This
2001 	 * just re-inits the block as necessary.  The actual
2002 	 * gating still happens in the dpm code.  We should
2003 	 * revisit this when there is a cleaner line between
2004 	 * the smc and the hw blocks
2005 	 */
2006 	int ret;
2007 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2008 
2009 	if(state == adev->vcn.cur_state)
2010 		return 0;
2011 
2012 	if (state == AMD_PG_STATE_GATE)
2013 		ret = vcn_v1_0_stop(adev);
2014 	else
2015 		ret = vcn_v1_0_start(adev);
2016 
2017 	if(!ret)
2018 		adev->vcn.cur_state = state;
2019 	return ret;
2020 }
2021 
2022 static const struct amd_ip_funcs vcn_v1_0_ip_funcs = {
2023 	.name = "vcn_v1_0",
2024 	.early_init = vcn_v1_0_early_init,
2025 	.late_init = NULL,
2026 	.sw_init = vcn_v1_0_sw_init,
2027 	.sw_fini = vcn_v1_0_sw_fini,
2028 	.hw_init = vcn_v1_0_hw_init,
2029 	.hw_fini = vcn_v1_0_hw_fini,
2030 	.suspend = vcn_v1_0_suspend,
2031 	.resume = vcn_v1_0_resume,
2032 	.is_idle = vcn_v1_0_is_idle,
2033 	.wait_for_idle = vcn_v1_0_wait_for_idle,
2034 	.check_soft_reset = NULL /* vcn_v1_0_check_soft_reset */,
2035 	.pre_soft_reset = NULL /* vcn_v1_0_pre_soft_reset */,
2036 	.soft_reset = NULL /* vcn_v1_0_soft_reset */,
2037 	.post_soft_reset = NULL /* vcn_v1_0_post_soft_reset */,
2038 	.set_clockgating_state = vcn_v1_0_set_clockgating_state,
2039 	.set_powergating_state = vcn_v1_0_set_powergating_state,
2040 };
2041 
2042 static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = {
2043 	.type = AMDGPU_RING_TYPE_VCN_DEC,
2044 	.align_mask = 0xf,
2045 	.support_64bit_ptrs = false,
2046 	.vmhub = AMDGPU_MMHUB,
2047 	.get_rptr = vcn_v1_0_dec_ring_get_rptr,
2048 	.get_wptr = vcn_v1_0_dec_ring_get_wptr,
2049 	.set_wptr = vcn_v1_0_dec_ring_set_wptr,
2050 	.emit_frame_size =
2051 		6 + 6 + /* hdp invalidate / flush */
2052 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
2053 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
2054 		8 + /* vcn_v1_0_dec_ring_emit_vm_flush */
2055 		14 + 14 + /* vcn_v1_0_dec_ring_emit_fence x2 vm fence */
2056 		6,
2057 	.emit_ib_size = 8, /* vcn_v1_0_dec_ring_emit_ib */
2058 	.emit_ib = vcn_v1_0_dec_ring_emit_ib,
2059 	.emit_fence = vcn_v1_0_dec_ring_emit_fence,
2060 	.emit_vm_flush = vcn_v1_0_dec_ring_emit_vm_flush,
2061 	.test_ring = amdgpu_vcn_dec_ring_test_ring,
2062 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
2063 	.insert_nop = vcn_v1_0_dec_ring_insert_nop,
2064 	.insert_start = vcn_v1_0_dec_ring_insert_start,
2065 	.insert_end = vcn_v1_0_dec_ring_insert_end,
2066 	.pad_ib = amdgpu_ring_generic_pad_ib,
2067 	.begin_use = amdgpu_vcn_ring_begin_use,
2068 	.end_use = amdgpu_vcn_ring_end_use,
2069 	.emit_wreg = vcn_v1_0_dec_ring_emit_wreg,
2070 	.emit_reg_wait = vcn_v1_0_dec_ring_emit_reg_wait,
2071 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2072 };
2073 
2074 static const struct amdgpu_ring_funcs vcn_v1_0_enc_ring_vm_funcs = {
2075 	.type = AMDGPU_RING_TYPE_VCN_ENC,
2076 	.align_mask = 0x3f,
2077 	.nop = VCN_ENC_CMD_NO_OP,
2078 	.support_64bit_ptrs = false,
2079 	.vmhub = AMDGPU_MMHUB,
2080 	.get_rptr = vcn_v1_0_enc_ring_get_rptr,
2081 	.get_wptr = vcn_v1_0_enc_ring_get_wptr,
2082 	.set_wptr = vcn_v1_0_enc_ring_set_wptr,
2083 	.emit_frame_size =
2084 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2085 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
2086 		4 + /* vcn_v1_0_enc_ring_emit_vm_flush */
2087 		5 + 5 + /* vcn_v1_0_enc_ring_emit_fence x2 vm fence */
2088 		1, /* vcn_v1_0_enc_ring_insert_end */
2089 	.emit_ib_size = 5, /* vcn_v1_0_enc_ring_emit_ib */
2090 	.emit_ib = vcn_v1_0_enc_ring_emit_ib,
2091 	.emit_fence = vcn_v1_0_enc_ring_emit_fence,
2092 	.emit_vm_flush = vcn_v1_0_enc_ring_emit_vm_flush,
2093 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
2094 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
2095 	.insert_nop = amdgpu_ring_insert_nop,
2096 	.insert_end = vcn_v1_0_enc_ring_insert_end,
2097 	.pad_ib = amdgpu_ring_generic_pad_ib,
2098 	.begin_use = amdgpu_vcn_ring_begin_use,
2099 	.end_use = amdgpu_vcn_ring_end_use,
2100 	.emit_wreg = vcn_v1_0_enc_ring_emit_wreg,
2101 	.emit_reg_wait = vcn_v1_0_enc_ring_emit_reg_wait,
2102 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2103 };
2104 
2105 static const struct amdgpu_ring_funcs vcn_v1_0_jpeg_ring_vm_funcs = {
2106 	.type = AMDGPU_RING_TYPE_VCN_JPEG,
2107 	.align_mask = 0xf,
2108 	.nop = PACKET0(0x81ff, 0),
2109 	.support_64bit_ptrs = false,
2110 	.vmhub = AMDGPU_MMHUB,
2111 	.extra_dw = 64,
2112 	.get_rptr = vcn_v1_0_jpeg_ring_get_rptr,
2113 	.get_wptr = vcn_v1_0_jpeg_ring_get_wptr,
2114 	.set_wptr = vcn_v1_0_jpeg_ring_set_wptr,
2115 	.emit_frame_size =
2116 		6 + 6 + /* hdp invalidate / flush */
2117 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
2118 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
2119 		8 + /* vcn_v1_0_jpeg_ring_emit_vm_flush */
2120 		26 + 26 + /* vcn_v1_0_jpeg_ring_emit_fence x2 vm fence */
2121 		6,
2122 	.emit_ib_size = 22, /* vcn_v1_0_jpeg_ring_emit_ib */
2123 	.emit_ib = vcn_v1_0_jpeg_ring_emit_ib,
2124 	.emit_fence = vcn_v1_0_jpeg_ring_emit_fence,
2125 	.emit_vm_flush = vcn_v1_0_jpeg_ring_emit_vm_flush,
2126 	.test_ring = amdgpu_vcn_jpeg_ring_test_ring,
2127 	.test_ib = amdgpu_vcn_jpeg_ring_test_ib,
2128 	.insert_nop = vcn_v1_0_jpeg_ring_nop,
2129 	.insert_start = vcn_v1_0_jpeg_ring_insert_start,
2130 	.insert_end = vcn_v1_0_jpeg_ring_insert_end,
2131 	.pad_ib = amdgpu_ring_generic_pad_ib,
2132 	.begin_use = amdgpu_vcn_ring_begin_use,
2133 	.end_use = amdgpu_vcn_ring_end_use,
2134 	.emit_wreg = vcn_v1_0_jpeg_ring_emit_wreg,
2135 	.emit_reg_wait = vcn_v1_0_jpeg_ring_emit_reg_wait,
2136 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2137 };
2138 
2139 static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev)
2140 {
2141 	adev->vcn.ring_dec.funcs = &vcn_v1_0_dec_ring_vm_funcs;
2142 	DRM_INFO("VCN decode is enabled in VM mode\n");
2143 }
2144 
2145 static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev)
2146 {
2147 	int i;
2148 
2149 	for (i = 0; i < adev->vcn.num_enc_rings; ++i)
2150 		adev->vcn.ring_enc[i].funcs = &vcn_v1_0_enc_ring_vm_funcs;
2151 
2152 	DRM_INFO("VCN encode is enabled in VM mode\n");
2153 }
2154 
2155 static void vcn_v1_0_set_jpeg_ring_funcs(struct amdgpu_device *adev)
2156 {
2157 	adev->vcn.ring_jpeg.funcs = &vcn_v1_0_jpeg_ring_vm_funcs;
2158 	DRM_INFO("VCN jpeg decode is enabled in VM mode\n");
2159 }
2160 
2161 static const struct amdgpu_irq_src_funcs vcn_v1_0_irq_funcs = {
2162 	.set = vcn_v1_0_set_interrupt_state,
2163 	.process = vcn_v1_0_process_interrupt,
2164 };
2165 
2166 static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev)
2167 {
2168 	adev->vcn.irq.num_types = adev->vcn.num_enc_rings + 2;
2169 	adev->vcn.irq.funcs = &vcn_v1_0_irq_funcs;
2170 }
2171 
2172 const struct amdgpu_ip_block_version vcn_v1_0_ip_block =
2173 {
2174 		.type = AMD_IP_BLOCK_TYPE_VCN,
2175 		.major = 1,
2176 		.minor = 0,
2177 		.rev = 0,
2178 		.funcs = &vcn_v1_0_ip_funcs,
2179 };
2180