xref: /linux/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c (revision c6d732c3bd41375d176447b043274396268aa6ab)
1 /*
2  * Copyright 2024 Advanced Micro Devices, Inc. All rights reserved.
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 "amdgpu.h"
26 #include "amdgpu_vcn.h"
27 #include "amdgpu_pm.h"
28 #include "soc15.h"
29 #include "soc15d.h"
30 #include "soc15_hw_ip.h"
31 #include "vcn_v2_0.h"
32 #include "vcn_v4_0_3.h"
33 #include "mmsch_v5_0.h"
34 
35 #include "vcn/vcn_5_0_0_offset.h"
36 #include "vcn/vcn_5_0_0_sh_mask.h"
37 #include "ivsrcid/vcn/irqsrcs_vcn_5_0.h"
38 #include "vcn_v5_0_0.h"
39 #include "vcn_v5_0_1.h"
40 
41 #include <drm/drm_drv.h>
42 
43 static const struct amdgpu_hwip_reg_entry vcn_reg_list_5_0_1[] = {
44 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_POWER_STATUS),
45 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_STATUS),
46 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_CONTEXT_ID),
47 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_CONTEXT_ID2),
48 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_DATA0),
49 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_DATA1),
50 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_CMD),
51 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI),
52 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO),
53 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI2),
54 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO2),
55 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI3),
56 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO3),
57 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI4),
58 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO4),
59 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR),
60 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR),
61 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR2),
62 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR2),
63 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR3),
64 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR3),
65 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR4),
66 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR4),
67 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE),
68 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE2),
69 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE3),
70 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE4),
71 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_CTL),
72 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_DATA),
73 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_MASK),
74 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_PAUSE)
75 };
76 
77 static int vcn_v5_0_1_start_sriov(struct amdgpu_device *adev);
78 static void vcn_v5_0_1_set_unified_ring_funcs(struct amdgpu_device *adev);
79 static void vcn_v5_0_1_set_irq_funcs(struct amdgpu_device *adev);
80 static int vcn_v5_0_1_set_pg_state(struct amdgpu_vcn_inst *vinst,
81 				   enum amd_powergating_state state);
82 static void vcn_v5_0_1_unified_ring_set_wptr(struct amdgpu_ring *ring);
83 static void vcn_v5_0_1_set_ras_funcs(struct amdgpu_device *adev);
84 /**
85  * vcn_v5_0_1_early_init - set function pointers and load microcode
86  *
87  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
88  *
89  * Set ring and irq function pointers
90  * Load microcode from filesystem
91  */
vcn_v5_0_1_early_init(struct amdgpu_ip_block * ip_block)92 static int vcn_v5_0_1_early_init(struct amdgpu_ip_block *ip_block)
93 {
94 	struct amdgpu_device *adev = ip_block->adev;
95 	int i, r;
96 
97 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i)
98 		/* re-use enc ring as unified ring */
99 		adev->vcn.inst[i].num_enc_rings = 1;
100 
101 	vcn_v5_0_1_set_unified_ring_funcs(adev);
102 	vcn_v5_0_1_set_irq_funcs(adev);
103 	vcn_v5_0_1_set_ras_funcs(adev);
104 
105 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
106 		adev->vcn.inst[i].set_pg_state = vcn_v5_0_1_set_pg_state;
107 
108 		r = amdgpu_vcn_early_init(adev, i);
109 		if (r)
110 			return r;
111 	}
112 
113 	return 0;
114 }
115 
vcn_v5_0_1_late_init(struct amdgpu_ip_block * ip_block)116 static int vcn_v5_0_1_late_init(struct amdgpu_ip_block *ip_block)
117 {
118 	struct amdgpu_device *adev = ip_block->adev;
119 
120 	adev->vcn.supported_reset =
121 		amdgpu_get_soft_full_reset_mask(&adev->vcn.inst[0].ring_enc[0]);
122 
123 	switch (amdgpu_ip_version(adev, MP0_HWIP, 0)) {
124 	case IP_VERSION(13, 0, 12):
125 		if ((adev->psp.sos.fw_version >= 0x00450025) &&
126 			amdgpu_dpm_reset_vcn_is_supported(adev) &&
127 			!amdgpu_sriov_vf(adev))
128 			adev->vcn.supported_reset |= AMDGPU_RESET_TYPE_PER_QUEUE;
129 		break;
130 	default:
131 		break;
132 	}
133 
134 	return 0;
135 }
136 
vcn_v5_0_1_fw_shared_init(struct amdgpu_device * adev,int inst_idx)137 static void vcn_v5_0_1_fw_shared_init(struct amdgpu_device *adev, int inst_idx)
138 {
139 	struct amdgpu_vcn5_fw_shared *fw_shared;
140 
141 	fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
142 
143 	if (fw_shared->sq.is_enabled)
144 		return;
145 	fw_shared->present_flag_0 =
146 		cpu_to_le32(AMDGPU_FW_SHARED_FLAG_0_UNIFIED_QUEUE);
147 	fw_shared->sq.is_enabled = 1;
148 
149 	if (amdgpu_vcnfw_log)
150 		amdgpu_vcn_fwlog_init(&adev->vcn.inst[inst_idx]);
151 }
152 
153 /**
154  * vcn_v5_0_1_sw_init - sw init for VCN block
155  *
156  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
157  *
158  * Load firmware and sw initialization
159  */
vcn_v5_0_1_sw_init(struct amdgpu_ip_block * ip_block)160 static int vcn_v5_0_1_sw_init(struct amdgpu_ip_block *ip_block)
161 {
162 	struct amdgpu_device *adev = ip_block->adev;
163 	struct amdgpu_ring *ring;
164 	int i, r, vcn_inst;
165 
166 	/* VCN UNIFIED TRAP */
167 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
168 		VCN_5_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst->irq);
169 	if (r)
170 		return r;
171 
172 	/* VCN POISON TRAP */
173 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
174 		VCN_5_0__SRCID_UVD_POISON, &adev->vcn.inst->ras_poison_irq);
175 
176 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
177 		vcn_inst = GET_INST(VCN, i);
178 
179 		r = amdgpu_vcn_sw_init(adev, i);
180 		if (r)
181 			return r;
182 
183 		amdgpu_vcn_setup_ucode(adev, i);
184 
185 		r = amdgpu_vcn_resume(adev, i);
186 		if (r)
187 			return r;
188 
189 		ring = &adev->vcn.inst[i].ring_enc[0];
190 		ring->use_doorbell = true;
191 		if (!amdgpu_sriov_vf(adev))
192 			ring->doorbell_index =
193 				(adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
194 				11 * vcn_inst;
195 		else
196 			ring->doorbell_index =
197 				(adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
198 				32 * vcn_inst;
199 
200 		ring->vm_hub = AMDGPU_MMHUB0(adev->vcn.inst[i].aid_id);
201 		sprintf(ring->name, "vcn_unified_%d", adev->vcn.inst[i].aid_id);
202 
203 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
204 					AMDGPU_RING_PRIO_DEFAULT, &adev->vcn.inst[i].sched_score);
205 		if (r)
206 			return r;
207 
208 		vcn_v5_0_1_fw_shared_init(adev, i);
209 	}
210 
211 	if (amdgpu_sriov_vf(adev)) {
212 		r = amdgpu_virt_alloc_mm_table(adev);
213 		if (r)
214 			return r;
215 	}
216 
217 	if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__VCN)) {
218 		r = amdgpu_vcn_ras_sw_init(adev);
219 		if (r) {
220 			dev_err(adev->dev, "Failed to initialize vcn ras block!\n");
221 			return r;
222 		}
223 	}
224 
225 	r = amdgpu_vcn_reg_dump_init(adev, vcn_reg_list_5_0_1, ARRAY_SIZE(vcn_reg_list_5_0_1));
226 	if (r)
227 		return r;
228 
229 	return amdgpu_vcn_sysfs_reset_mask_init(adev);
230 }
231 
232 /**
233  * vcn_v5_0_1_sw_fini - sw fini for VCN block
234  *
235  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
236  *
237  * VCN suspend and free up sw allocation
238  */
vcn_v5_0_1_sw_fini(struct amdgpu_ip_block * ip_block)239 static int vcn_v5_0_1_sw_fini(struct amdgpu_ip_block *ip_block)
240 {
241 	struct amdgpu_device *adev = ip_block->adev;
242 	int i, r, idx;
243 
244 	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
245 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
246 			struct amdgpu_vcn5_fw_shared *fw_shared;
247 
248 			fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
249 			fw_shared->present_flag_0 = 0;
250 			fw_shared->sq.is_enabled = 0;
251 		}
252 
253 		drm_dev_exit(idx);
254 	}
255 
256 	if (amdgpu_sriov_vf(adev))
257 		amdgpu_virt_free_mm_table(adev);
258 
259 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
260 		r = amdgpu_vcn_suspend(adev, i);
261 		if (r)
262 			return r;
263 	}
264 
265 	amdgpu_vcn_sysfs_reset_mask_fini(adev);
266 
267 	for (i = 0; i < adev->vcn.num_vcn_inst; i++)
268 		amdgpu_vcn_sw_fini(adev, i);
269 
270 	return 0;
271 }
272 
vcn_v5_0_1_hw_init_inst(struct amdgpu_device * adev,int i)273 static int vcn_v5_0_1_hw_init_inst(struct amdgpu_device *adev, int i)
274 {
275 	struct amdgpu_ring *ring;
276 	int vcn_inst;
277 
278 	vcn_inst = GET_INST(VCN, i);
279 	ring = &adev->vcn.inst[i].ring_enc[0];
280 
281 	if (ring->use_doorbell)
282 		adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
283 			((adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
284 			11 * vcn_inst),
285 			adev->vcn.inst[i].aid_id);
286 
287 	return 0;
288 }
289 
290 /**
291  * vcn_v5_0_1_hw_init - start and test VCN block
292  *
293  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
294  *
295  * Initialize the hardware, boot up the VCPU and do some testing
296  */
vcn_v5_0_1_hw_init(struct amdgpu_ip_block * ip_block)297 static int vcn_v5_0_1_hw_init(struct amdgpu_ip_block *ip_block)
298 {
299 	struct amdgpu_device *adev = ip_block->adev;
300 	struct amdgpu_ring *ring;
301 	int i, r;
302 
303 	if (amdgpu_sriov_vf(adev)) {
304 		r = vcn_v5_0_1_start_sriov(adev);
305 		if (r)
306 			return r;
307 
308 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
309 			ring = &adev->vcn.inst[i].ring_enc[0];
310 			ring->wptr = 0;
311 			ring->wptr_old = 0;
312 			vcn_v5_0_1_unified_ring_set_wptr(ring);
313 			ring->sched.ready = true;
314 		}
315 	} else {
316 		if (RREG32_SOC15(VCN, GET_INST(VCN, 0), regVCN_RRMT_CNTL) & 0x100)
317 			adev->vcn.caps |= AMDGPU_VCN_CAPS(RRMT_ENABLED);
318 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
319 			ring = &adev->vcn.inst[i].ring_enc[0];
320 			vcn_v5_0_1_hw_init_inst(adev, i);
321 
322 			/* Re-init fw_shared, if required */
323 			vcn_v5_0_1_fw_shared_init(adev, i);
324 
325 			r = amdgpu_ring_test_helper(ring);
326 			if (r)
327 				return r;
328 		}
329 	}
330 
331 	return 0;
332 }
333 
334 /**
335  * vcn_v5_0_1_hw_fini - stop the hardware block
336  *
337  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
338  *
339  * Stop the VCN block, mark ring as not ready any more
340  */
vcn_v5_0_1_hw_fini(struct amdgpu_ip_block * ip_block)341 static int vcn_v5_0_1_hw_fini(struct amdgpu_ip_block *ip_block)
342 {
343 	struct amdgpu_device *adev = ip_block->adev;
344 	int i;
345 
346 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
347 		struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
348 
349 		cancel_delayed_work_sync(&adev->vcn.inst[i].idle_work);
350 		if (vinst->cur_state != AMD_PG_STATE_GATE)
351 			vinst->set_pg_state(vinst, AMD_PG_STATE_GATE);
352 	}
353 
354 	if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__VCN) && !amdgpu_sriov_vf(adev))
355 		amdgpu_irq_put(adev, &adev->vcn.inst->ras_poison_irq, 0);
356 
357 	return 0;
358 }
359 
360 /**
361  * vcn_v5_0_1_suspend - suspend VCN block
362  *
363  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
364  *
365  * HW fini and suspend VCN block
366  */
vcn_v5_0_1_suspend(struct amdgpu_ip_block * ip_block)367 static int vcn_v5_0_1_suspend(struct amdgpu_ip_block *ip_block)
368 {
369 	struct amdgpu_device *adev = ip_block->adev;
370 	int r, i;
371 
372 	r = vcn_v5_0_1_hw_fini(ip_block);
373 	if (r)
374 		return r;
375 
376 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
377 		r = amdgpu_vcn_suspend(ip_block->adev, i);
378 		if (r)
379 			return r;
380 	}
381 
382 	return r;
383 }
384 
385 /**
386  * vcn_v5_0_1_resume - resume VCN block
387  *
388  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
389  *
390  * Resume firmware and hw init VCN block
391  */
vcn_v5_0_1_resume(struct amdgpu_ip_block * ip_block)392 static int vcn_v5_0_1_resume(struct amdgpu_ip_block *ip_block)
393 {
394 	struct amdgpu_device *adev = ip_block->adev;
395 	int r, i;
396 
397 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
398 		struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
399 
400 		if (amdgpu_in_reset(adev))
401 			vinst->cur_state = AMD_PG_STATE_GATE;
402 
403 		r = amdgpu_vcn_resume(ip_block->adev, i);
404 		if (r)
405 			return r;
406 	}
407 
408 	r = vcn_v5_0_1_hw_init(ip_block);
409 
410 	return r;
411 }
412 
413 /**
414  * vcn_v5_0_1_mc_resume - memory controller programming
415  *
416  * @vinst: VCN instance
417  *
418  * Let the VCN memory controller know it's offsets
419  */
vcn_v5_0_1_mc_resume(struct amdgpu_vcn_inst * vinst)420 static void vcn_v5_0_1_mc_resume(struct amdgpu_vcn_inst *vinst)
421 {
422 	struct amdgpu_device *adev = vinst->adev;
423 	int inst = vinst->inst;
424 	uint32_t offset, size, vcn_inst;
425 	const struct common_firmware_header *hdr;
426 
427 	hdr = (const struct common_firmware_header *)adev->vcn.inst[inst].fw->data;
428 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
429 
430 	vcn_inst = GET_INST(VCN, inst);
431 	/* cache window 0: fw */
432 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
433 		WREG32_SOC15(VCN, vcn_inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
434 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_lo));
435 		WREG32_SOC15(VCN, vcn_inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
436 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_hi));
437 		WREG32_SOC15(VCN, vcn_inst, regUVD_VCPU_CACHE_OFFSET0, 0);
438 		offset = 0;
439 	} else {
440 		WREG32_SOC15(VCN, vcn_inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
441 			lower_32_bits(adev->vcn.inst[inst].gpu_addr));
442 		WREG32_SOC15(VCN, vcn_inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
443 			upper_32_bits(adev->vcn.inst[inst].gpu_addr));
444 		offset = size;
445 		WREG32_SOC15(VCN, vcn_inst, regUVD_VCPU_CACHE_OFFSET0,
446 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
447 	}
448 	WREG32_SOC15(VCN, vcn_inst, regUVD_VCPU_CACHE_SIZE0, size);
449 
450 	/* cache window 1: stack */
451 	WREG32_SOC15(VCN, vcn_inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
452 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
453 	WREG32_SOC15(VCN, vcn_inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
454 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
455 	WREG32_SOC15(VCN, vcn_inst, regUVD_VCPU_CACHE_OFFSET1, 0);
456 	WREG32_SOC15(VCN, vcn_inst, regUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
457 
458 	/* cache window 2: context */
459 	WREG32_SOC15(VCN, vcn_inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
460 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
461 	WREG32_SOC15(VCN, vcn_inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
462 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
463 	WREG32_SOC15(VCN, vcn_inst, regUVD_VCPU_CACHE_OFFSET2, 0);
464 	WREG32_SOC15(VCN, vcn_inst, regUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
465 
466 	/* non-cache window */
467 	WREG32_SOC15(VCN, vcn_inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
468 		lower_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
469 	WREG32_SOC15(VCN, vcn_inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
470 		upper_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
471 	WREG32_SOC15(VCN, vcn_inst, regUVD_VCPU_NONCACHE_OFFSET0, 0);
472 	WREG32_SOC15(VCN, vcn_inst, regUVD_VCPU_NONCACHE_SIZE0,
473 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn5_fw_shared)));
474 }
475 
476 /**
477  * vcn_v5_0_1_mc_resume_dpg_mode - memory controller programming for dpg mode
478  *
479  * @vinst: VCN instance
480  * @indirect: indirectly write sram
481  *
482  * Let the VCN memory controller know it's offsets with dpg mode
483  */
vcn_v5_0_1_mc_resume_dpg_mode(struct amdgpu_vcn_inst * vinst,bool indirect)484 static void vcn_v5_0_1_mc_resume_dpg_mode(struct amdgpu_vcn_inst *vinst,
485 					  bool indirect)
486 {
487 	struct amdgpu_device *adev = vinst->adev;
488 	int inst_idx = vinst->inst;
489 	uint32_t offset, size;
490 	const struct common_firmware_header *hdr;
491 
492 	hdr = (const struct common_firmware_header *)adev->vcn.inst[inst_idx].fw->data;
493 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
494 
495 	/* cache window 0: fw */
496 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
497 		if (!indirect) {
498 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
499 				VCN, 0, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
500 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN +
501 				 inst_idx].tmr_mc_addr_lo), 0, indirect);
502 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
503 				VCN, 0, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
504 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN +
505 				 inst_idx].tmr_mc_addr_hi), 0, indirect);
506 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
507 				VCN, 0, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
508 		} else {
509 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
510 				VCN, 0, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
511 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
512 				VCN, 0, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
513 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
514 				VCN, 0, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
515 		}
516 		offset = 0;
517 	} else {
518 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
519 			VCN, 0, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
520 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
521 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
522 			VCN, 0, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
523 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
524 		offset = size;
525 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
526 			VCN, 0, regUVD_VCPU_CACHE_OFFSET0),
527 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
528 	}
529 
530 	if (!indirect)
531 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
532 			VCN, 0, regUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
533 	else
534 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
535 			VCN, 0, regUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
536 
537 	/* cache window 1: stack */
538 	if (!indirect) {
539 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
540 			VCN, 0, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
541 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
542 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
543 			VCN, 0, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
544 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
545 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
546 			VCN, 0, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
547 	} else {
548 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
549 			VCN, 0, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
550 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
551 			VCN, 0, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
552 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
553 			VCN, 0, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
554 	}
555 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
556 			VCN, 0, regUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
557 
558 	/* cache window 2: context */
559 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
560 		VCN, 0, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
561 		lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset +
562 			AMDGPU_VCN_STACK_SIZE), 0, indirect);
563 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
564 		VCN, 0, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
565 		upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset +
566 			AMDGPU_VCN_STACK_SIZE), 0, indirect);
567 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
568 		VCN, 0, regUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
569 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
570 		VCN, 0, regUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
571 
572 	/* non-cache window */
573 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
574 		VCN, 0, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
575 		lower_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
576 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
577 		VCN, 0, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
578 		upper_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
579 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
580 		VCN, 0, regUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
581 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
582 		VCN, 0, regUVD_VCPU_NONCACHE_SIZE0),
583 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn5_fw_shared)), 0, indirect);
584 
585 	/* VCN global tiling registers */
586 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
587 		VCN, 0, regUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
588 }
589 
590 /**
591  * vcn_v5_0_1_disable_clock_gating - disable VCN clock gating
592  *
593  * @vinst: VCN instance
594  *
595  * Disable clock gating for VCN block
596  */
vcn_v5_0_1_disable_clock_gating(struct amdgpu_vcn_inst * vinst)597 static void vcn_v5_0_1_disable_clock_gating(struct amdgpu_vcn_inst *vinst)
598 {
599 }
600 
601 /**
602  * vcn_v5_0_1_enable_clock_gating - enable VCN clock gating
603  *
604  * @vinst: VCN instance
605  *
606  * Enable clock gating for VCN block
607  */
vcn_v5_0_1_enable_clock_gating(struct amdgpu_vcn_inst * vinst)608 static void vcn_v5_0_1_enable_clock_gating(struct amdgpu_vcn_inst *vinst)
609 {
610 }
611 
612 /**
613  * vcn_v5_0_1_pause_dpg_mode - VCN pause with dpg mode
614  *
615  * @vinst: VCN instance
616  * @new_state: pause state
617  *
618  * Pause dpg mode for VCN block
619  */
vcn_v5_0_1_pause_dpg_mode(struct amdgpu_vcn_inst * vinst,struct dpg_pause_state * new_state)620 static int vcn_v5_0_1_pause_dpg_mode(struct amdgpu_vcn_inst *vinst,
621 				     struct dpg_pause_state *new_state)
622 {
623 	struct amdgpu_device *adev = vinst->adev;
624 	uint32_t reg_data = 0;
625 	int vcn_inst;
626 
627 	vcn_inst = GET_INST(VCN, vinst->inst);
628 
629 	/* pause/unpause if state is changed */
630 	if (vinst->pause_state.fw_based != new_state->fw_based) {
631 		DRM_DEV_DEBUG(adev->dev, "dpg pause state changed %d -> %d %s\n",
632 			vinst->pause_state.fw_based, new_state->fw_based,
633 			new_state->fw_based ? "VCN_DPG_STATE__PAUSE" : "VCN_DPG_STATE__UNPAUSE");
634 		reg_data = RREG32_SOC15(VCN, vcn_inst, regUVD_DPG_PAUSE) &
635 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
636 
637 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
638 			/* pause DPG */
639 			reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
640 			WREG32_SOC15(VCN, vcn_inst, regUVD_DPG_PAUSE, reg_data);
641 
642 			/* wait for ACK */
643 			SOC15_WAIT_ON_RREG(VCN, vcn_inst, regUVD_DPG_PAUSE,
644 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
645 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
646 		} else {
647 			/* unpause DPG, no need to wait */
648 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
649 			WREG32_SOC15(VCN, vcn_inst, regUVD_DPG_PAUSE, reg_data);
650 		}
651 		vinst->pause_state.fw_based = new_state->fw_based;
652 	}
653 
654 	return 0;
655 }
656 
657 
658 /**
659  * vcn_v5_0_1_start_dpg_mode - VCN start with dpg mode
660  *
661  * @vinst: VCN instance
662  * @indirect: indirectly write sram
663  *
664  * Start VCN block with dpg mode
665  */
vcn_v5_0_1_start_dpg_mode(struct amdgpu_vcn_inst * vinst,bool indirect)666 static int vcn_v5_0_1_start_dpg_mode(struct amdgpu_vcn_inst *vinst,
667 				     bool indirect)
668 {
669 	struct amdgpu_device *adev = vinst->adev;
670 	int inst_idx = vinst->inst;
671 	struct amdgpu_vcn5_fw_shared *fw_shared =
672 		adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
673 	struct amdgpu_ring *ring;
674 	struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__PAUSE};
675 	int vcn_inst, ret;
676 	uint32_t tmp;
677 
678 	vcn_inst = GET_INST(VCN, inst_idx);
679 
680 	/* disable register anti-hang mechanism */
681 	WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_POWER_STATUS), 1,
682 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
683 
684 	/* enable dynamic power gating mode */
685 	tmp = RREG32_SOC15(VCN, vcn_inst, regUVD_POWER_STATUS);
686 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
687 	WREG32_SOC15(VCN, vcn_inst, regUVD_POWER_STATUS, tmp);
688 
689 	if (indirect) {
690 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr =
691 			(uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
692 		/* Use dummy register 0xDEADBEEF passing AID selection to PSP FW */
693 		WREG32_SOC24_DPG_MODE(inst_idx, 0xDEADBEEF,
694 				adev->vcn.inst[inst_idx].aid_id, 0, true);
695 	}
696 
697 	/* enable VCPU clock */
698 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
699 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK | UVD_VCPU_CNTL__BLK_RST_MASK;
700 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
701 		VCN, 0, regUVD_VCPU_CNTL), tmp, 0, indirect);
702 
703 	/* disable master interrupt */
704 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
705 		VCN, 0, regUVD_MASTINT_EN), 0, 0, indirect);
706 
707 	/* setup regUVD_LMI_CTRL */
708 	tmp = (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
709 		UVD_LMI_CTRL__REQ_MODE_MASK |
710 		UVD_LMI_CTRL__CRC_RESET_MASK |
711 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
712 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
713 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
714 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
715 		0x00100000L);
716 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
717 		VCN, 0, regUVD_LMI_CTRL), tmp, 0, indirect);
718 
719 	vcn_v5_0_1_mc_resume_dpg_mode(vinst, indirect);
720 
721 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
722 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
723 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
724 		VCN, 0, regUVD_VCPU_CNTL), tmp, 0, indirect);
725 
726 	/* enable LMI MC and UMC channels */
727 	tmp = 0x1f << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT;
728 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
729 		VCN, 0, regUVD_LMI_CTRL2), tmp, 0, indirect);
730 
731 	/* enable master interrupt */
732 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
733 		VCN, 0, regUVD_MASTINT_EN),
734 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
735 
736 	if (indirect) {
737 		ret = amdgpu_vcn_psp_update_sram(adev, inst_idx, AMDGPU_UCODE_ID_VCN0_RAM);
738 		if (ret) {
739 			dev_err(adev->dev, "vcn sram load failed %d\n", ret);
740 			return ret;
741 		}
742 	}
743 
744 	/* resetting ring, fw should not check RB ring */
745 	fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
746 
747 	/* Pause dpg */
748 	vcn_v5_0_1_pause_dpg_mode(vinst, &state);
749 
750 	ring = &adev->vcn.inst[inst_idx].ring_enc[0];
751 
752 	WREG32_SOC15(VCN, vcn_inst, regUVD_RB_BASE_LO, lower_32_bits(ring->gpu_addr));
753 	WREG32_SOC15(VCN, vcn_inst, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
754 	WREG32_SOC15(VCN, vcn_inst, regUVD_RB_SIZE, ring->ring_size / sizeof(uint32_t));
755 
756 	tmp = RREG32_SOC15(VCN, vcn_inst, regVCN_RB_ENABLE);
757 	tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
758 	WREG32_SOC15(VCN, vcn_inst, regVCN_RB_ENABLE, tmp);
759 
760 	WREG32_SOC15(VCN, vcn_inst, regUVD_RB_RPTR, 0);
761 	WREG32_SOC15(VCN, vcn_inst, regUVD_RB_WPTR, 0);
762 
763 	tmp = RREG32_SOC15(VCN, vcn_inst, regUVD_RB_RPTR);
764 	WREG32_SOC15(VCN, vcn_inst, regUVD_RB_WPTR, tmp);
765 	ring->wptr = RREG32_SOC15(VCN, vcn_inst, regUVD_RB_WPTR);
766 
767 	tmp = RREG32_SOC15(VCN, vcn_inst, regVCN_RB_ENABLE);
768 	tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
769 	WREG32_SOC15(VCN, vcn_inst, regVCN_RB_ENABLE, tmp);
770 	/* resetting done, fw can check RB ring */
771 	fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
772 
773 	WREG32_SOC15(VCN, vcn_inst, regVCN_RB1_DB_CTRL,
774 		ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
775 		VCN_RB1_DB_CTRL__EN_MASK);
776 	/* Read DB_CTRL to flush the write DB_CTRL command. */
777 	RREG32_SOC15(VCN, vcn_inst, regVCN_RB1_DB_CTRL);
778 
779 	return 0;
780 }
781 
vcn_v5_0_1_start_sriov(struct amdgpu_device * adev)782 static int vcn_v5_0_1_start_sriov(struct amdgpu_device *adev)
783 {
784 	int i, vcn_inst;
785 	struct amdgpu_ring *ring_enc;
786 	uint64_t cache_addr;
787 	uint64_t rb_enc_addr;
788 	uint64_t ctx_addr;
789 	uint32_t param, resp, expected;
790 	uint32_t offset, cache_size;
791 	uint32_t tmp, timeout;
792 
793 	struct amdgpu_mm_table *table = &adev->virt.mm_table;
794 	uint32_t *table_loc;
795 	uint32_t table_size;
796 	uint32_t size, size_dw;
797 	uint32_t init_status;
798 	uint32_t enabled_vcn;
799 
800 	struct mmsch_v5_0_cmd_direct_write
801 		direct_wt = { {0} };
802 	struct mmsch_v5_0_cmd_direct_read_modify_write
803 		direct_rd_mod_wt = { {0} };
804 	struct mmsch_v5_0_cmd_end end = { {0} };
805 	struct mmsch_v5_0_init_header header;
806 
807 	struct amdgpu_vcn5_fw_shared *fw_shared;
808 	struct amdgpu_fw_shared_rb_setup *rb_setup;
809 
810 	direct_wt.cmd_header.command_type =
811 		MMSCH_COMMAND__DIRECT_REG_WRITE;
812 	direct_rd_mod_wt.cmd_header.command_type =
813 		MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
814 	end.cmd_header.command_type = MMSCH_COMMAND__END;
815 
816 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
817 		vcn_inst = GET_INST(VCN, i);
818 
819 		vcn_v5_0_1_fw_shared_init(adev, vcn_inst);
820 
821 		memset(&header, 0, sizeof(struct mmsch_v5_0_init_header));
822 		header.version = MMSCH_VERSION;
823 		header.total_size = sizeof(struct mmsch_v5_0_init_header) >> 2;
824 
825 		table_loc = (uint32_t *)table->cpu_addr;
826 		table_loc += header.total_size;
827 
828 		table_size = 0;
829 
830 		MMSCH_V5_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCN, 0, regUVD_STATUS),
831 			~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
832 
833 		cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.inst[i].fw->size + 4);
834 
835 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
836 			MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
837 				regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
838 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo);
839 
840 			MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
841 				regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
842 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi);
843 
844 			offset = 0;
845 			MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
846 				regUVD_VCPU_CACHE_OFFSET0), 0);
847 		} else {
848 			MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
849 				regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
850 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
851 			MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
852 				regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
853 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
854 			offset = cache_size;
855 			MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
856 				regUVD_VCPU_CACHE_OFFSET0),
857 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
858 		}
859 
860 		MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
861 			regUVD_VCPU_CACHE_SIZE0),
862 			cache_size);
863 
864 		cache_addr = adev->vcn.inst[vcn_inst].gpu_addr + offset;
865 		MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
866 			regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), lower_32_bits(cache_addr));
867 		MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
868 			regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), upper_32_bits(cache_addr));
869 		MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
870 			regUVD_VCPU_CACHE_OFFSET1), 0);
871 		MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
872 			regUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE);
873 
874 		cache_addr = adev->vcn.inst[vcn_inst].gpu_addr + offset +
875 			AMDGPU_VCN_STACK_SIZE;
876 
877 		MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
878 			regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW), lower_32_bits(cache_addr));
879 
880 		MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
881 			regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH), upper_32_bits(cache_addr));
882 
883 		MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
884 			regUVD_VCPU_CACHE_OFFSET2), 0);
885 
886 		MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
887 			regUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE);
888 
889 		fw_shared = adev->vcn.inst[vcn_inst].fw_shared.cpu_addr;
890 		rb_setup = &fw_shared->rb_setup;
891 
892 		ring_enc = &adev->vcn.inst[vcn_inst].ring_enc[0];
893 		ring_enc->wptr = 0;
894 		rb_enc_addr = ring_enc->gpu_addr;
895 
896 		rb_setup->is_rb_enabled_flags |= RB_ENABLED;
897 		rb_setup->rb_addr_lo = lower_32_bits(rb_enc_addr);
898 		rb_setup->rb_addr_hi = upper_32_bits(rb_enc_addr);
899 		rb_setup->rb_size = ring_enc->ring_size / 4;
900 		fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_VF_RB_SETUP_FLAG);
901 
902 		MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
903 			regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
904 			lower_32_bits(adev->vcn.inst[vcn_inst].fw_shared.gpu_addr));
905 		MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
906 			regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
907 			upper_32_bits(adev->vcn.inst[vcn_inst].fw_shared.gpu_addr));
908 		MMSCH_V5_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
909 			regUVD_VCPU_NONCACHE_SIZE0),
910 			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn4_fw_shared)));
911 		MMSCH_V5_0_INSERT_END();
912 
913 		header.vcn0.init_status = 0;
914 		header.vcn0.table_offset = header.total_size;
915 		header.vcn0.table_size = table_size;
916 		header.total_size += table_size;
917 
918 		/* Send init table to mmsch */
919 		size = sizeof(struct mmsch_v5_0_init_header);
920 		table_loc = (uint32_t *)table->cpu_addr;
921 		memcpy((void *)table_loc, &header, size);
922 
923 		ctx_addr = table->gpu_addr;
924 		WREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_CTX_ADDR_LO, lower_32_bits(ctx_addr));
925 		WREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_CTX_ADDR_HI, upper_32_bits(ctx_addr));
926 
927 		tmp = RREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_VMID);
928 		tmp &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
929 		tmp |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
930 		WREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_VMID, tmp);
931 
932 		size = header.total_size;
933 		WREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_CTX_SIZE, size);
934 
935 		WREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_MAILBOX_RESP, 0);
936 
937 		param = 0x00000001;
938 		WREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_MAILBOX_HOST, param);
939 		tmp = 0;
940 		timeout = 1000;
941 		resp = 0;
942 		expected = MMSCH_VF_MAILBOX_RESP__OK;
943 		while (resp != expected) {
944 			resp = RREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_MAILBOX_RESP);
945 			if (resp != 0)
946 				break;
947 
948 			udelay(10);
949 			tmp = tmp + 10;
950 			if (tmp >= timeout) {
951 				DRM_ERROR("failed to init MMSCH. TIME-OUT after %d usec"\
952 					" waiting for regMMSCH_VF_MAILBOX_RESP "\
953 					"(expected=0x%08x, readback=0x%08x)\n",
954 					tmp, expected, resp);
955 				return -EBUSY;
956 			}
957 		}
958 
959 		enabled_vcn = amdgpu_vcn_is_disabled_vcn(adev, VCN_DECODE_RING, 0) ? 1 : 0;
960 		init_status = ((struct mmsch_v5_0_init_header *)(table_loc))->vcn0.init_status;
961 		if (resp != expected && resp != MMSCH_VF_MAILBOX_RESP__INCOMPLETE
962 					&& init_status != MMSCH_VF_ENGINE_STATUS__PASS) {
963 			DRM_ERROR("MMSCH init status is incorrect! readback=0x%08x, header init "\
964 				"status for VCN%x: 0x%x\n", resp, enabled_vcn, init_status);
965 		}
966 	}
967 
968 	return 0;
969 }
970 
971 /**
972  * vcn_v5_0_1_start - VCN start
973  *
974  * @vinst: VCN instance
975  *
976  * Start VCN block
977  */
vcn_v5_0_1_start(struct amdgpu_vcn_inst * vinst)978 static int vcn_v5_0_1_start(struct amdgpu_vcn_inst *vinst)
979 {
980 	struct amdgpu_device *adev = vinst->adev;
981 	int i = vinst->inst;
982 	struct amdgpu_vcn5_fw_shared *fw_shared;
983 	struct amdgpu_ring *ring;
984 	uint32_t tmp;
985 	int j, k, r, vcn_inst;
986 
987 	fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
988 
989 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
990 		return vcn_v5_0_1_start_dpg_mode(vinst, adev->vcn.inst[i].indirect_sram);
991 
992 	vcn_inst = GET_INST(VCN, i);
993 
994 	/* set VCN status busy */
995 	tmp = RREG32_SOC15(VCN, vcn_inst, regUVD_STATUS) | UVD_STATUS__UVD_BUSY;
996 	WREG32_SOC15(VCN, vcn_inst, regUVD_STATUS, tmp);
997 
998 	/* enable VCPU clock */
999 	WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_VCPU_CNTL),
1000 		 UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
1001 
1002 	/* disable master interrupt */
1003 	WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_MASTINT_EN), 0,
1004 		 ~UVD_MASTINT_EN__VCPU_EN_MASK);
1005 
1006 	/* enable LMI MC and UMC channels */
1007 	WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_LMI_CTRL2), 0,
1008 		 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1009 
1010 	tmp = RREG32_SOC15(VCN, vcn_inst, regUVD_SOFT_RESET);
1011 	tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1012 	tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1013 	WREG32_SOC15(VCN, vcn_inst, regUVD_SOFT_RESET, tmp);
1014 
1015 	/* setup regUVD_LMI_CTRL */
1016 	tmp = RREG32_SOC15(VCN, vcn_inst, regUVD_LMI_CTRL);
1017 	WREG32_SOC15(VCN, vcn_inst, regUVD_LMI_CTRL, tmp |
1018 		     UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
1019 		     UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1020 		     UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1021 		     UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
1022 
1023 	vcn_v5_0_1_mc_resume(vinst);
1024 
1025 	/* VCN global tiling registers */
1026 	WREG32_SOC15(VCN, vcn_inst, regUVD_GFX10_ADDR_CONFIG,
1027 		     adev->gfx.config.gb_addr_config);
1028 
1029 	/* unblock VCPU register access */
1030 	WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_RB_ARB_CTRL), 0,
1031 		 ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1032 
1033 	/* release VCPU reset to boot */
1034 	WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_VCPU_CNTL), 0,
1035 		 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1036 
1037 	for (j = 0; j < 10; ++j) {
1038 		uint32_t status;
1039 
1040 		for (k = 0; k < 100; ++k) {
1041 			status = RREG32_SOC15(VCN, vcn_inst, regUVD_STATUS);
1042 			if (status & 2)
1043 				break;
1044 			mdelay(100);
1045 			if (amdgpu_emu_mode == 1)
1046 				msleep(20);
1047 		}
1048 
1049 		if (amdgpu_emu_mode == 1) {
1050 			r = -1;
1051 			if (status & 2) {
1052 				r = 0;
1053 				break;
1054 			}
1055 		} else {
1056 			r = 0;
1057 			if (status & 2)
1058 				break;
1059 
1060 			dev_err(adev->dev,
1061 				"VCN[%d] is not responding, trying to reset the VCPU!!!\n", i);
1062 			WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_VCPU_CNTL),
1063 				 UVD_VCPU_CNTL__BLK_RST_MASK,
1064 				 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1065 			mdelay(10);
1066 			WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_VCPU_CNTL), 0,
1067 				 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1068 
1069 			mdelay(10);
1070 			r = -1;
1071 		}
1072 	}
1073 
1074 	if (r) {
1075 		dev_err(adev->dev, "VCN[%d] is not responding, giving up!!!\n", i);
1076 		return r;
1077 	}
1078 
1079 	/* enable master interrupt */
1080 	WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_MASTINT_EN),
1081 		 UVD_MASTINT_EN__VCPU_EN_MASK,
1082 		 ~UVD_MASTINT_EN__VCPU_EN_MASK);
1083 
1084 	/* clear the busy bit of VCN_STATUS */
1085 	WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_STATUS), 0,
1086 		 ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1087 
1088 	ring = &adev->vcn.inst[i].ring_enc[0];
1089 
1090 	WREG32_SOC15(VCN, vcn_inst, regVCN_RB1_DB_CTRL,
1091 		     ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
1092 		     VCN_RB1_DB_CTRL__EN_MASK);
1093 
1094 	/* Read DB_CTRL to flush the write DB_CTRL command. */
1095 	RREG32_SOC15(VCN, vcn_inst, regVCN_RB1_DB_CTRL);
1096 
1097 	WREG32_SOC15(VCN, vcn_inst, regUVD_RB_BASE_LO, ring->gpu_addr);
1098 	WREG32_SOC15(VCN, vcn_inst, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1099 	WREG32_SOC15(VCN, vcn_inst, regUVD_RB_SIZE, ring->ring_size / 4);
1100 
1101 	tmp = RREG32_SOC15(VCN, vcn_inst, regVCN_RB_ENABLE);
1102 	tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
1103 	WREG32_SOC15(VCN, vcn_inst, regVCN_RB_ENABLE, tmp);
1104 	fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
1105 	WREG32_SOC15(VCN, vcn_inst, regUVD_RB_RPTR, 0);
1106 	WREG32_SOC15(VCN, vcn_inst, regUVD_RB_WPTR, 0);
1107 
1108 	tmp = RREG32_SOC15(VCN, vcn_inst, regUVD_RB_RPTR);
1109 	WREG32_SOC15(VCN, vcn_inst, regUVD_RB_WPTR, tmp);
1110 	ring->wptr = RREG32_SOC15(VCN, vcn_inst, regUVD_RB_WPTR);
1111 
1112 	tmp = RREG32_SOC15(VCN, vcn_inst, regVCN_RB_ENABLE);
1113 	tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
1114 	WREG32_SOC15(VCN, vcn_inst, regVCN_RB_ENABLE, tmp);
1115 	fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
1116 
1117 	/* Keeping one read-back to ensure all register writes are done,
1118 	 * otherwise it may introduce race conditions.
1119 	 */
1120 	RREG32_SOC15(VCN, vcn_inst, regUVD_STATUS);
1121 
1122 	return 0;
1123 }
1124 
1125 /**
1126  * vcn_v5_0_1_stop_dpg_mode - VCN stop with dpg mode
1127  *
1128  * @vinst: VCN instance
1129  *
1130  * Stop VCN block with dpg mode
1131  */
vcn_v5_0_1_stop_dpg_mode(struct amdgpu_vcn_inst * vinst)1132 static void vcn_v5_0_1_stop_dpg_mode(struct amdgpu_vcn_inst *vinst)
1133 {
1134 	struct amdgpu_device *adev = vinst->adev;
1135 	int inst_idx = vinst->inst;
1136 	uint32_t tmp;
1137 	int vcn_inst;
1138 	struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE};
1139 
1140 	vcn_inst = GET_INST(VCN, inst_idx);
1141 
1142 	/* Unpause dpg */
1143 	vcn_v5_0_1_pause_dpg_mode(vinst, &state);
1144 
1145 	/* Wait for power status to be 1 */
1146 	SOC15_WAIT_ON_RREG(VCN, vcn_inst, regUVD_POWER_STATUS, 1,
1147 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1148 
1149 	/* wait for read ptr to be equal to write ptr */
1150 	tmp = RREG32_SOC15(VCN, vcn_inst, regUVD_RB_WPTR);
1151 	SOC15_WAIT_ON_RREG(VCN, vcn_inst, regUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1152 
1153 	/* disable dynamic power gating mode */
1154 	WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_POWER_STATUS), 0,
1155 		~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1156 
1157 	/* Keeping one read-back to ensure all register writes are done,
1158 	 * otherwise it may introduce race conditions.
1159 	 */
1160 	RREG32_SOC15(VCN, vcn_inst, regUVD_STATUS);
1161 }
1162 
1163 /**
1164  * vcn_v5_0_1_stop - VCN stop
1165  *
1166  * @vinst: VCN instance
1167  *
1168  * Stop VCN block
1169  */
vcn_v5_0_1_stop(struct amdgpu_vcn_inst * vinst)1170 static int vcn_v5_0_1_stop(struct amdgpu_vcn_inst *vinst)
1171 {
1172 	struct amdgpu_device *adev = vinst->adev;
1173 	int i = vinst->inst;
1174 	struct amdgpu_vcn5_fw_shared *fw_shared;
1175 	uint32_t tmp;
1176 	int r = 0, vcn_inst;
1177 
1178 	vcn_inst = GET_INST(VCN, i);
1179 
1180 	fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1181 	fw_shared->sq.queue_mode |= FW_QUEUE_DPG_HOLD_OFF;
1182 
1183 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1184 		vcn_v5_0_1_stop_dpg_mode(vinst);
1185 		return 0;
1186 	}
1187 
1188 	/* wait for vcn idle */
1189 	r = SOC15_WAIT_ON_RREG(VCN, vcn_inst, regUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1190 	if (r)
1191 		return r;
1192 
1193 	tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1194 		UVD_LMI_STATUS__READ_CLEAN_MASK |
1195 		UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1196 		UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1197 	r = SOC15_WAIT_ON_RREG(VCN, vcn_inst, regUVD_LMI_STATUS, tmp, tmp);
1198 	if (r)
1199 		return r;
1200 
1201 	/* disable LMI UMC channel */
1202 	tmp = RREG32_SOC15(VCN, vcn_inst, regUVD_LMI_CTRL2);
1203 	tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1204 	WREG32_SOC15(VCN, vcn_inst, regUVD_LMI_CTRL2, tmp);
1205 	tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
1206 		UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1207 	r = SOC15_WAIT_ON_RREG(VCN, vcn_inst, regUVD_LMI_STATUS, tmp, tmp);
1208 	if (r)
1209 		return r;
1210 
1211 	/* block VCPU register access */
1212 	WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_RB_ARB_CTRL),
1213 		 UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1214 		 ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1215 
1216 	/* reset VCPU */
1217 	WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_VCPU_CNTL),
1218 		 UVD_VCPU_CNTL__BLK_RST_MASK,
1219 		 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1220 
1221 	/* disable VCPU clock */
1222 	WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_VCPU_CNTL), 0,
1223 		 ~(UVD_VCPU_CNTL__CLK_EN_MASK));
1224 
1225 	/* apply soft reset */
1226 	tmp = RREG32_SOC15(VCN, vcn_inst, regUVD_SOFT_RESET);
1227 	tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1228 	WREG32_SOC15(VCN, vcn_inst, regUVD_SOFT_RESET, tmp);
1229 	tmp = RREG32_SOC15(VCN, vcn_inst, regUVD_SOFT_RESET);
1230 	tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1231 	WREG32_SOC15(VCN, vcn_inst, regUVD_SOFT_RESET, tmp);
1232 
1233 	/* clear status */
1234 	WREG32_SOC15(VCN, vcn_inst, regUVD_STATUS, 0);
1235 
1236 	/* Keeping one read-back to ensure all register writes are done,
1237 	 * otherwise it may introduce race conditions.
1238 	 */
1239 	RREG32_SOC15(VCN, vcn_inst, regUVD_STATUS);
1240 
1241 	return 0;
1242 }
1243 
1244 /**
1245  * vcn_v5_0_1_unified_ring_get_rptr - get unified read pointer
1246  *
1247  * @ring: amdgpu_ring pointer
1248  *
1249  * Returns the current hardware unified read pointer
1250  */
vcn_v5_0_1_unified_ring_get_rptr(struct amdgpu_ring * ring)1251 static uint64_t vcn_v5_0_1_unified_ring_get_rptr(struct amdgpu_ring *ring)
1252 {
1253 	struct amdgpu_device *adev = ring->adev;
1254 
1255 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1256 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1257 
1258 	return RREG32_SOC15(VCN, GET_INST(VCN, ring->me), regUVD_RB_RPTR);
1259 }
1260 
1261 /**
1262  * vcn_v5_0_1_unified_ring_get_wptr - get unified write pointer
1263  *
1264  * @ring: amdgpu_ring pointer
1265  *
1266  * Returns the current hardware unified write pointer
1267  */
vcn_v5_0_1_unified_ring_get_wptr(struct amdgpu_ring * ring)1268 static uint64_t vcn_v5_0_1_unified_ring_get_wptr(struct amdgpu_ring *ring)
1269 {
1270 	struct amdgpu_device *adev = ring->adev;
1271 
1272 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1273 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1274 
1275 	if (ring->use_doorbell)
1276 		return *ring->wptr_cpu_addr;
1277 	else
1278 		return RREG32_SOC15(VCN, GET_INST(VCN, ring->me), regUVD_RB_WPTR);
1279 }
1280 
1281 /**
1282  * vcn_v5_0_1_unified_ring_set_wptr - set enc write pointer
1283  *
1284  * @ring: amdgpu_ring pointer
1285  *
1286  * Commits the enc write pointer to the hardware
1287  */
vcn_v5_0_1_unified_ring_set_wptr(struct amdgpu_ring * ring)1288 static void vcn_v5_0_1_unified_ring_set_wptr(struct amdgpu_ring *ring)
1289 {
1290 	struct amdgpu_device *adev = ring->adev;
1291 
1292 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1293 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1294 
1295 	if (ring->use_doorbell) {
1296 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1297 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1298 	} else {
1299 		WREG32_SOC15(VCN, GET_INST(VCN, ring->me), regUVD_RB_WPTR,
1300 				lower_32_bits(ring->wptr));
1301 	}
1302 }
1303 
vcn_v5_0_1_ring_reset(struct amdgpu_ring * ring,unsigned int vmid,struct amdgpu_fence * timedout_fence)1304 static int vcn_v5_0_1_ring_reset(struct amdgpu_ring *ring,
1305 				 unsigned int vmid,
1306 				 struct amdgpu_fence *timedout_fence)
1307 {
1308 	int r = 0;
1309 	int vcn_inst;
1310 	struct amdgpu_device *adev = ring->adev;
1311 	struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[ring->me];
1312 
1313 	amdgpu_ring_reset_helper_begin(ring, timedout_fence);
1314 
1315 	vcn_inst = GET_INST(VCN, ring->me);
1316 	r = amdgpu_dpm_reset_vcn(adev, 1 << vcn_inst);
1317 
1318 	if (r) {
1319 		DRM_DEV_ERROR(adev->dev, "VCN reset fail : %d\n", r);
1320 		return r;
1321 	}
1322 
1323 	vcn_v5_0_1_hw_init_inst(adev, ring->me);
1324 	vcn_v5_0_1_start_dpg_mode(vinst, vinst->indirect_sram);
1325 
1326 	return amdgpu_ring_reset_helper_end(ring, timedout_fence);
1327 }
1328 
1329 static const struct amdgpu_ring_funcs vcn_v5_0_1_unified_ring_vm_funcs = {
1330 	.type = AMDGPU_RING_TYPE_VCN_ENC,
1331 	.align_mask = 0x3f,
1332 	.nop = VCN_ENC_CMD_NO_OP,
1333 	.get_rptr = vcn_v5_0_1_unified_ring_get_rptr,
1334 	.get_wptr = vcn_v5_0_1_unified_ring_get_wptr,
1335 	.set_wptr = vcn_v5_0_1_unified_ring_set_wptr,
1336 	.emit_frame_size = SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1337 			   SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1338 			   4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
1339 			   5 +
1340 			   5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
1341 			   1, /* vcn_v2_0_enc_ring_insert_end */
1342 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
1343 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
1344 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
1345 	.emit_vm_flush = vcn_v4_0_3_enc_ring_emit_vm_flush,
1346 	.emit_hdp_flush = vcn_v4_0_3_ring_emit_hdp_flush,
1347 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
1348 	.test_ib = amdgpu_vcn_unified_ring_test_ib,
1349 	.insert_nop = amdgpu_ring_insert_nop,
1350 	.insert_end = vcn_v2_0_enc_ring_insert_end,
1351 	.pad_ib = amdgpu_ring_generic_pad_ib,
1352 	.begin_use = amdgpu_vcn_ring_begin_use,
1353 	.end_use = amdgpu_vcn_ring_end_use,
1354 	.emit_wreg = vcn_v4_0_3_enc_ring_emit_wreg,
1355 	.emit_reg_wait = vcn_v4_0_3_enc_ring_emit_reg_wait,
1356 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1357 	.reset = vcn_v5_0_1_ring_reset,
1358 };
1359 
1360 /**
1361  * vcn_v5_0_1_set_unified_ring_funcs - set unified ring functions
1362  *
1363  * @adev: amdgpu_device pointer
1364  *
1365  * Set unified ring functions
1366  */
vcn_v5_0_1_set_unified_ring_funcs(struct amdgpu_device * adev)1367 static void vcn_v5_0_1_set_unified_ring_funcs(struct amdgpu_device *adev)
1368 {
1369 	int i, vcn_inst;
1370 
1371 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1372 		adev->vcn.inst[i].ring_enc[0].funcs = &vcn_v5_0_1_unified_ring_vm_funcs;
1373 		adev->vcn.inst[i].ring_enc[0].me = i;
1374 		vcn_inst = GET_INST(VCN, i);
1375 		adev->vcn.inst[i].aid_id = vcn_inst / adev->vcn.num_inst_per_aid;
1376 	}
1377 }
1378 
1379 /**
1380  * vcn_v5_0_1_is_idle - check VCN block is idle
1381  *
1382  * @ip_block: Pointer to the amdgpu_ip_block structure
1383  *
1384  * Check whether VCN block is idle
1385  */
vcn_v5_0_1_is_idle(struct amdgpu_ip_block * ip_block)1386 static bool vcn_v5_0_1_is_idle(struct amdgpu_ip_block *ip_block)
1387 {
1388 	struct amdgpu_device *adev = ip_block->adev;
1389 	int i, ret = 1;
1390 
1391 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i)
1392 		ret &= (RREG32_SOC15(VCN, GET_INST(VCN, i), regUVD_STATUS) == UVD_STATUS__IDLE);
1393 
1394 	return ret;
1395 }
1396 
1397 /**
1398  * vcn_v5_0_1_wait_for_idle - wait for VCN block idle
1399  *
1400  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
1401  *
1402  * Wait for VCN block idle
1403  */
vcn_v5_0_1_wait_for_idle(struct amdgpu_ip_block * ip_block)1404 static int vcn_v5_0_1_wait_for_idle(struct amdgpu_ip_block *ip_block)
1405 {
1406 	struct amdgpu_device *adev = ip_block->adev;
1407 	int i, ret = 0;
1408 
1409 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1410 		ret = SOC15_WAIT_ON_RREG(VCN, GET_INST(VCN, i), regUVD_STATUS, UVD_STATUS__IDLE,
1411 			UVD_STATUS__IDLE);
1412 		if (ret)
1413 			return ret;
1414 	}
1415 
1416 	return ret;
1417 }
1418 
1419 /**
1420  * vcn_v5_0_1_set_clockgating_state - set VCN block clockgating state
1421  *
1422  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
1423  * @state: clock gating state
1424  *
1425  * Set VCN block clockgating state
1426  */
vcn_v5_0_1_set_clockgating_state(struct amdgpu_ip_block * ip_block,enum amd_clockgating_state state)1427 static int vcn_v5_0_1_set_clockgating_state(struct amdgpu_ip_block *ip_block,
1428 					    enum amd_clockgating_state state)
1429 {
1430 	struct amdgpu_device *adev = ip_block->adev;
1431 	bool enable = state == AMD_CG_STATE_GATE;
1432 	int i;
1433 
1434 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1435 		struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
1436 
1437 		if (enable) {
1438 			if (RREG32_SOC15(VCN, GET_INST(VCN, i), regUVD_STATUS) != UVD_STATUS__IDLE)
1439 				return -EBUSY;
1440 			vcn_v5_0_1_enable_clock_gating(vinst);
1441 		} else {
1442 			vcn_v5_0_1_disable_clock_gating(vinst);
1443 		}
1444 	}
1445 
1446 	return 0;
1447 }
1448 
vcn_v5_0_1_set_pg_state(struct amdgpu_vcn_inst * vinst,enum amd_powergating_state state)1449 static int vcn_v5_0_1_set_pg_state(struct amdgpu_vcn_inst *vinst,
1450 				   enum amd_powergating_state state)
1451 {
1452 	struct amdgpu_device *adev = vinst->adev;
1453 	int ret = 0;
1454 
1455 	/* for SRIOV, guest should not control VCN Power-gating
1456 	 * MMSCH FW should control Power-gating and clock-gating
1457 	 * guest should avoid touching CGC and PG
1458 	 */
1459 	if (amdgpu_sriov_vf(adev)) {
1460 		vinst->cur_state = AMD_PG_STATE_UNGATE;
1461 		return 0;
1462 	}
1463 
1464 	if (state == vinst->cur_state)
1465 		return 0;
1466 
1467 	if (state == AMD_PG_STATE_GATE)
1468 		ret = vcn_v5_0_1_stop(vinst);
1469 	else
1470 		ret = vcn_v5_0_1_start(vinst);
1471 
1472 	if (!ret)
1473 		vinst->cur_state = state;
1474 
1475 	return ret;
1476 }
1477 
1478 /**
1479  * vcn_v5_0_1_process_interrupt - process VCN block interrupt
1480  *
1481  * @adev: amdgpu_device pointer
1482  * @source: interrupt sources
1483  * @entry: interrupt entry from clients and sources
1484  *
1485  * Process VCN block interrupt
1486  */
vcn_v5_0_1_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)1487 static int vcn_v5_0_1_process_interrupt(struct amdgpu_device *adev, struct amdgpu_irq_src *source,
1488 	struct amdgpu_iv_entry *entry)
1489 {
1490 	uint32_t i, inst;
1491 
1492 	i = node_id_to_phys_map[entry->node_id];
1493 
1494 	DRM_DEV_DEBUG(adev->dev, "IH: VCN TRAP\n");
1495 
1496 	for (inst = 0; inst < adev->vcn.num_vcn_inst; ++inst)
1497 		if (adev->vcn.inst[inst].aid_id == i)
1498 			break;
1499 	if (inst >= adev->vcn.num_vcn_inst) {
1500 		dev_WARN_ONCE(adev->dev, 1,
1501 				"Interrupt received for unknown VCN instance %d",
1502 				entry->node_id);
1503 		return 0;
1504 	}
1505 
1506 	switch (entry->src_id) {
1507 	case VCN_5_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
1508 		amdgpu_fence_process(&adev->vcn.inst[inst].ring_enc[0]);
1509 		break;
1510 	default:
1511 		DRM_DEV_ERROR(adev->dev, "Unhandled interrupt: %d %d\n",
1512 			  entry->src_id, entry->src_data[0]);
1513 		break;
1514 	}
1515 
1516 	return 0;
1517 }
1518 
vcn_v5_0_1_set_ras_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * source,unsigned int type,enum amdgpu_interrupt_state state)1519 static int vcn_v5_0_1_set_ras_interrupt_state(struct amdgpu_device *adev,
1520 					struct amdgpu_irq_src *source,
1521 					unsigned int type,
1522 					enum amdgpu_interrupt_state state)
1523 {
1524 	return 0;
1525 }
1526 
1527 static const struct amdgpu_irq_src_funcs vcn_v5_0_1_irq_funcs = {
1528 	.process = vcn_v5_0_1_process_interrupt,
1529 };
1530 
1531 static const struct amdgpu_irq_src_funcs vcn_v5_0_1_ras_irq_funcs = {
1532 	.set = vcn_v5_0_1_set_ras_interrupt_state,
1533 	.process = amdgpu_vcn_process_poison_irq,
1534 };
1535 
1536 
1537 /**
1538  * vcn_v5_0_1_set_irq_funcs - set VCN block interrupt irq functions
1539  *
1540  * @adev: amdgpu_device pointer
1541  *
1542  * Set VCN block interrupt irq functions
1543  */
vcn_v5_0_1_set_irq_funcs(struct amdgpu_device * adev)1544 static void vcn_v5_0_1_set_irq_funcs(struct amdgpu_device *adev)
1545 {
1546 	int i;
1547 
1548 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i)
1549 		adev->vcn.inst->irq.num_types++;
1550 
1551 	adev->vcn.inst->irq.funcs = &vcn_v5_0_1_irq_funcs;
1552 
1553 	adev->vcn.inst->ras_poison_irq.num_types = 1;
1554 	adev->vcn.inst->ras_poison_irq.funcs = &vcn_v5_0_1_ras_irq_funcs;
1555 
1556 }
1557 
1558 static const struct amd_ip_funcs vcn_v5_0_1_ip_funcs = {
1559 	.name = "vcn_v5_0_1",
1560 	.early_init = vcn_v5_0_1_early_init,
1561 	.late_init = vcn_v5_0_1_late_init,
1562 	.sw_init = vcn_v5_0_1_sw_init,
1563 	.sw_fini = vcn_v5_0_1_sw_fini,
1564 	.hw_init = vcn_v5_0_1_hw_init,
1565 	.hw_fini = vcn_v5_0_1_hw_fini,
1566 	.suspend = vcn_v5_0_1_suspend,
1567 	.resume = vcn_v5_0_1_resume,
1568 	.is_idle = vcn_v5_0_1_is_idle,
1569 	.wait_for_idle = vcn_v5_0_1_wait_for_idle,
1570 	.check_soft_reset = NULL,
1571 	.pre_soft_reset = NULL,
1572 	.soft_reset = NULL,
1573 	.post_soft_reset = NULL,
1574 	.set_clockgating_state = vcn_v5_0_1_set_clockgating_state,
1575 	.set_powergating_state = vcn_set_powergating_state,
1576 	.dump_ip_state = amdgpu_vcn_dump_ip_state,
1577 	.print_ip_state = amdgpu_vcn_print_ip_state,
1578 };
1579 
1580 const struct amdgpu_ip_block_version vcn_v5_0_1_ip_block = {
1581 	.type = AMD_IP_BLOCK_TYPE_VCN,
1582 	.major = 5,
1583 	.minor = 0,
1584 	.rev = 1,
1585 	.funcs = &vcn_v5_0_1_ip_funcs,
1586 };
1587 
vcn_v5_0_1_query_poison_by_instance(struct amdgpu_device * adev,uint32_t instance,uint32_t sub_block)1588 static uint32_t vcn_v5_0_1_query_poison_by_instance(struct amdgpu_device *adev,
1589 			uint32_t instance, uint32_t sub_block)
1590 {
1591 	uint32_t poison_stat = 0, reg_value = 0;
1592 
1593 	switch (sub_block) {
1594 	case AMDGPU_VCN_V5_0_1_VCPU_VCODEC:
1595 		reg_value = RREG32_SOC15(VCN, instance, regUVD_RAS_VCPU_VCODEC_STATUS);
1596 		poison_stat = REG_GET_FIELD(reg_value, UVD_RAS_VCPU_VCODEC_STATUS, POISONED_PF);
1597 		break;
1598 	default:
1599 		break;
1600 	}
1601 
1602 	if (poison_stat)
1603 		dev_info(adev->dev, "Poison detected in VCN%d, sub_block%d\n",
1604 			instance, sub_block);
1605 
1606 	return poison_stat;
1607 }
1608 
vcn_v5_0_1_query_poison_status(struct amdgpu_device * adev)1609 static bool vcn_v5_0_1_query_poison_status(struct amdgpu_device *adev)
1610 {
1611 	uint32_t inst, sub;
1612 	uint32_t poison_stat = 0;
1613 
1614 	for (inst = 0; inst < adev->vcn.num_vcn_inst; inst++)
1615 		for (sub = 0; sub < AMDGPU_VCN_V5_0_1_MAX_SUB_BLOCK; sub++)
1616 			poison_stat +=
1617 			vcn_v5_0_1_query_poison_by_instance(adev, inst, sub);
1618 
1619 	return !!poison_stat;
1620 }
1621 
1622 static const struct amdgpu_ras_block_hw_ops vcn_v5_0_1_ras_hw_ops = {
1623 	.query_poison_status = vcn_v5_0_1_query_poison_status,
1624 };
1625 
vcn_v5_0_1_aca_bank_parser(struct aca_handle * handle,struct aca_bank * bank,enum aca_smu_type type,void * data)1626 static int vcn_v5_0_1_aca_bank_parser(struct aca_handle *handle, struct aca_bank *bank,
1627 				      enum aca_smu_type type, void *data)
1628 {
1629 	struct aca_bank_info info;
1630 	u64 misc0;
1631 	int ret;
1632 
1633 	ret = aca_bank_info_decode(bank, &info);
1634 	if (ret)
1635 		return ret;
1636 
1637 	misc0 = bank->regs[ACA_REG_IDX_MISC0];
1638 	switch (type) {
1639 	case ACA_SMU_TYPE_UE:
1640 		bank->aca_err_type = ACA_ERROR_TYPE_UE;
1641 		ret = aca_error_cache_log_bank_error(handle, &info, ACA_ERROR_TYPE_UE,
1642 						     1ULL);
1643 		break;
1644 	case ACA_SMU_TYPE_CE:
1645 		bank->aca_err_type = ACA_ERROR_TYPE_CE;
1646 		ret = aca_error_cache_log_bank_error(handle, &info, bank->aca_err_type,
1647 						     ACA_REG__MISC0__ERRCNT(misc0));
1648 		break;
1649 	default:
1650 		return -EINVAL;
1651 	}
1652 
1653 	return ret;
1654 }
1655 
1656 /* reference to smu driver if header file */
1657 static int vcn_v5_0_1_err_codes[] = {
1658 	14, 15, 47, /* VCN [D|V|S] */
1659 };
1660 
vcn_v5_0_1_aca_bank_is_valid(struct aca_handle * handle,struct aca_bank * bank,enum aca_smu_type type,void * data)1661 static bool vcn_v5_0_1_aca_bank_is_valid(struct aca_handle *handle, struct aca_bank *bank,
1662 					 enum aca_smu_type type, void *data)
1663 {
1664 	u32 instlo;
1665 
1666 	instlo = ACA_REG__IPID__INSTANCEIDLO(bank->regs[ACA_REG_IDX_IPID]);
1667 	instlo &= GENMASK(31, 1);
1668 
1669 	if (instlo != mmSMNAID_AID0_MCA_SMU)
1670 		return false;
1671 
1672 	if (aca_bank_check_error_codes(handle->adev, bank,
1673 				       vcn_v5_0_1_err_codes,
1674 				       ARRAY_SIZE(vcn_v5_0_1_err_codes)))
1675 		return false;
1676 
1677 	return true;
1678 }
1679 
1680 static const struct aca_bank_ops vcn_v5_0_1_aca_bank_ops = {
1681 	.aca_bank_parser = vcn_v5_0_1_aca_bank_parser,
1682 	.aca_bank_is_valid = vcn_v5_0_1_aca_bank_is_valid,
1683 };
1684 
1685 static const struct aca_info vcn_v5_0_1_aca_info = {
1686 	.hwip = ACA_HWIP_TYPE_SMU,
1687 	.mask = ACA_ERROR_UE_MASK,
1688 	.bank_ops = &vcn_v5_0_1_aca_bank_ops,
1689 };
1690 
vcn_v5_0_1_ras_late_init(struct amdgpu_device * adev,struct ras_common_if * ras_block)1691 static int vcn_v5_0_1_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
1692 {
1693 	int r;
1694 
1695 	r = amdgpu_ras_block_late_init(adev, ras_block);
1696 	if (r)
1697 		return r;
1698 
1699 	r = amdgpu_ras_bind_aca(adev, AMDGPU_RAS_BLOCK__VCN,
1700 				&vcn_v5_0_1_aca_info, NULL);
1701 	if (r)
1702 		goto late_fini;
1703 
1704 	if (amdgpu_ras_is_supported(adev, ras_block->block) &&
1705 		adev->vcn.inst->ras_poison_irq.funcs) {
1706 		r = amdgpu_irq_get(adev, &adev->vcn.inst->ras_poison_irq, 0);
1707 		if (r)
1708 			goto late_fini;
1709 	}
1710 
1711 	return 0;
1712 
1713 late_fini:
1714 	amdgpu_ras_block_late_fini(adev, ras_block);
1715 
1716 	return r;
1717 }
1718 
1719 static struct amdgpu_vcn_ras vcn_v5_0_1_ras = {
1720 	.ras_block = {
1721 		.hw_ops = &vcn_v5_0_1_ras_hw_ops,
1722 		.ras_late_init = vcn_v5_0_1_ras_late_init,
1723 	},
1724 };
1725 
vcn_v5_0_1_set_ras_funcs(struct amdgpu_device * adev)1726 static void vcn_v5_0_1_set_ras_funcs(struct amdgpu_device *adev)
1727 {
1728 	adev->vcn.ras = &vcn_v5_0_1_ras;
1729 }
1730