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  * Author: Huang Rui
23  *
24  */
25 
26 #include <linux/firmware.h>
27 #include <linux/dma-mapping.h>
28 
29 #include "amdgpu.h"
30 #include "amdgpu_psp.h"
31 #include "amdgpu_ucode.h"
32 #include "soc15_common.h"
33 #include "psp_v3_1.h"
34 #include "psp_v10_0.h"
35 #include "psp_v11_0.h"
36 #include "psp_v12_0.h"
37 
38 #include "amdgpu_ras.h"
39 
40 static int psp_sysfs_init(struct amdgpu_device *adev);
41 static void psp_sysfs_fini(struct amdgpu_device *adev);
42 
43 static int psp_load_smu_fw(struct psp_context *psp);
44 
45 /*
46  * Due to DF Cstate management centralized to PMFW, the firmware
47  * loading sequence will be updated as below:
48  *   - Load KDB
49  *   - Load SYS_DRV
50  *   - Load tOS
51  *   - Load PMFW
52  *   - Setup TMR
53  *   - Load other non-psp fw
54  *   - Load ASD
55  *   - Load XGMI/RAS/HDCP/DTM TA if any
56  *
57  * This new sequence is required for
58  *   - Arcturus
59  *   - Navi12 and onwards
60  */
61 static void psp_check_pmfw_centralized_cstate_management(struct psp_context *psp)
62 {
63 	struct amdgpu_device *adev = psp->adev;
64 
65 	psp->pmfw_centralized_cstate_management = false;
66 
67 	if (amdgpu_sriov_vf(adev))
68 		return;
69 
70 	if (adev->flags & AMD_IS_APU)
71 		return;
72 
73 	if ((adev->asic_type == CHIP_ARCTURUS) ||
74 	    (adev->asic_type >= CHIP_NAVI12))
75 		psp->pmfw_centralized_cstate_management = true;
76 }
77 
78 static int psp_early_init(void *handle)
79 {
80 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
81 	struct psp_context *psp = &adev->psp;
82 
83 	switch (adev->asic_type) {
84 	case CHIP_VEGA10:
85 	case CHIP_VEGA12:
86 		psp_v3_1_set_psp_funcs(psp);
87 		psp->autoload_supported = false;
88 		break;
89 	case CHIP_RAVEN:
90 		psp_v10_0_set_psp_funcs(psp);
91 		psp->autoload_supported = false;
92 		break;
93 	case CHIP_VEGA20:
94 	case CHIP_ARCTURUS:
95 		psp_v11_0_set_psp_funcs(psp);
96 		psp->autoload_supported = false;
97 		break;
98 	case CHIP_NAVI10:
99 	case CHIP_NAVI14:
100 	case CHIP_NAVI12:
101 	case CHIP_SIENNA_CICHLID:
102 	case CHIP_NAVY_FLOUNDER:
103 	case CHIP_VANGOGH:
104 	case CHIP_DIMGREY_CAVEFISH:
105 		psp_v11_0_set_psp_funcs(psp);
106 		psp->autoload_supported = true;
107 		break;
108 	case CHIP_RENOIR:
109 		psp_v12_0_set_psp_funcs(psp);
110 		break;
111 	default:
112 		return -EINVAL;
113 	}
114 
115 	psp->adev = adev;
116 
117 	psp_check_pmfw_centralized_cstate_management(psp);
118 
119 	return 0;
120 }
121 
122 static void psp_memory_training_fini(struct psp_context *psp)
123 {
124 	struct psp_memory_training_context *ctx = &psp->mem_train_ctx;
125 
126 	ctx->init = PSP_MEM_TRAIN_NOT_SUPPORT;
127 	kfree(ctx->sys_cache);
128 	ctx->sys_cache = NULL;
129 }
130 
131 static int psp_memory_training_init(struct psp_context *psp)
132 {
133 	int ret;
134 	struct psp_memory_training_context *ctx = &psp->mem_train_ctx;
135 
136 	if (ctx->init != PSP_MEM_TRAIN_RESERVE_SUCCESS) {
137 		DRM_DEBUG("memory training is not supported!\n");
138 		return 0;
139 	}
140 
141 	ctx->sys_cache = kzalloc(ctx->train_data_size, GFP_KERNEL);
142 	if (ctx->sys_cache == NULL) {
143 		DRM_ERROR("alloc mem_train_ctx.sys_cache failed!\n");
144 		ret = -ENOMEM;
145 		goto Err_out;
146 	}
147 
148 	DRM_DEBUG("train_data_size:%llx,p2c_train_data_offset:%llx,c2p_train_data_offset:%llx.\n",
149 		  ctx->train_data_size,
150 		  ctx->p2c_train_data_offset,
151 		  ctx->c2p_train_data_offset);
152 	ctx->init = PSP_MEM_TRAIN_INIT_SUCCESS;
153 	return 0;
154 
155 Err_out:
156 	psp_memory_training_fini(psp);
157 	return ret;
158 }
159 
160 static int psp_sw_init(void *handle)
161 {
162 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
163 	struct psp_context *psp = &adev->psp;
164 	int ret;
165 
166 	if (!amdgpu_sriov_vf(adev)) {
167 		ret = psp_init_microcode(psp);
168 		if (ret) {
169 			DRM_ERROR("Failed to load psp firmware!\n");
170 			return ret;
171 		}
172 	}
173 
174 	ret = psp_memory_training_init(psp);
175 	if (ret) {
176 		DRM_ERROR("Failed to initialize memory training!\n");
177 		return ret;
178 	}
179 	ret = psp_mem_training(psp, PSP_MEM_TRAIN_COLD_BOOT);
180 	if (ret) {
181 		DRM_ERROR("Failed to process memory training!\n");
182 		return ret;
183 	}
184 
185 	if (adev->asic_type == CHIP_NAVI10 || adev->asic_type == CHIP_SIENNA_CICHLID) {
186 		ret= psp_sysfs_init(adev);
187 		if (ret) {
188 			return ret;
189 		}
190 	}
191 
192 	return 0;
193 }
194 
195 static int psp_sw_fini(void *handle)
196 {
197 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
198 
199 	psp_memory_training_fini(&adev->psp);
200 	if (adev->psp.sos_fw) {
201 		release_firmware(adev->psp.sos_fw);
202 		adev->psp.sos_fw = NULL;
203 	}
204 	if (adev->psp.asd_fw) {
205 		release_firmware(adev->psp.asd_fw);
206 		adev->psp.asd_fw = NULL;
207 	}
208 	if (adev->psp.ta_fw) {
209 		release_firmware(adev->psp.ta_fw);
210 		adev->psp.ta_fw = NULL;
211 	}
212 
213 	if (adev->asic_type == CHIP_NAVI10 ||
214 	    adev->asic_type == CHIP_SIENNA_CICHLID)
215 		psp_sysfs_fini(adev);
216 
217 	return 0;
218 }
219 
220 int psp_wait_for(struct psp_context *psp, uint32_t reg_index,
221 		 uint32_t reg_val, uint32_t mask, bool check_changed)
222 {
223 	uint32_t val;
224 	int i;
225 	struct amdgpu_device *adev = psp->adev;
226 
227 	if (psp->adev->in_pci_err_recovery)
228 		return 0;
229 
230 	for (i = 0; i < adev->usec_timeout; i++) {
231 		val = RREG32(reg_index);
232 		if (check_changed) {
233 			if (val != reg_val)
234 				return 0;
235 		} else {
236 			if ((val & mask) == reg_val)
237 				return 0;
238 		}
239 		udelay(1);
240 	}
241 
242 	return -ETIME;
243 }
244 
245 static int
246 psp_cmd_submit_buf(struct psp_context *psp,
247 		   struct amdgpu_firmware_info *ucode,
248 		   struct psp_gfx_cmd_resp *cmd, uint64_t fence_mc_addr)
249 {
250 	int ret;
251 	int index;
252 	int timeout = 2000;
253 	bool ras_intr = false;
254 	bool skip_unsupport = false;
255 
256 	if (psp->adev->in_pci_err_recovery)
257 		return 0;
258 
259 	mutex_lock(&psp->mutex);
260 
261 	memset(psp->cmd_buf_mem, 0, PSP_CMD_BUFFER_SIZE);
262 
263 	memcpy(psp->cmd_buf_mem, cmd, sizeof(struct psp_gfx_cmd_resp));
264 
265 	index = atomic_inc_return(&psp->fence_value);
266 	ret = psp_ring_cmd_submit(psp, psp->cmd_buf_mc_addr, fence_mc_addr, index);
267 	if (ret) {
268 		atomic_dec(&psp->fence_value);
269 		mutex_unlock(&psp->mutex);
270 		return ret;
271 	}
272 
273 	amdgpu_asic_invalidate_hdp(psp->adev, NULL);
274 	while (*((unsigned int *)psp->fence_buf) != index) {
275 		if (--timeout == 0)
276 			break;
277 		/*
278 		 * Shouldn't wait for timeout when err_event_athub occurs,
279 		 * because gpu reset thread triggered and lock resource should
280 		 * be released for psp resume sequence.
281 		 */
282 		ras_intr = amdgpu_ras_intr_triggered();
283 		if (ras_intr)
284 			break;
285 		msleep(1);
286 		amdgpu_asic_invalidate_hdp(psp->adev, NULL);
287 	}
288 
289 	/* We allow TEE_ERROR_NOT_SUPPORTED for VMR command and PSP_ERR_UNKNOWN_COMMAND in SRIOV */
290 	skip_unsupport = (psp->cmd_buf_mem->resp.status == TEE_ERROR_NOT_SUPPORTED ||
291 		psp->cmd_buf_mem->resp.status == PSP_ERR_UNKNOWN_COMMAND) && amdgpu_sriov_vf(psp->adev);
292 
293 	memcpy((void*)&cmd->resp, (void*)&psp->cmd_buf_mem->resp, sizeof(struct psp_gfx_resp));
294 
295 	/* In some cases, psp response status is not 0 even there is no
296 	 * problem while the command is submitted. Some version of PSP FW
297 	 * doesn't write 0 to that field.
298 	 * So here we would like to only print a warning instead of an error
299 	 * during psp initialization to avoid breaking hw_init and it doesn't
300 	 * return -EINVAL.
301 	 */
302 	if (!skip_unsupport && (psp->cmd_buf_mem->resp.status || !timeout) && !ras_intr) {
303 		if (ucode)
304 			DRM_WARN("failed to load ucode id (%d) ",
305 				  ucode->ucode_id);
306 		DRM_WARN("psp command (0x%X) failed and response status is (0x%X)\n",
307 			 psp->cmd_buf_mem->cmd_id,
308 			 psp->cmd_buf_mem->resp.status);
309 		if (!timeout) {
310 			mutex_unlock(&psp->mutex);
311 			return -EINVAL;
312 		}
313 	}
314 
315 	if (ucode) {
316 		ucode->tmr_mc_addr_lo = psp->cmd_buf_mem->resp.fw_addr_lo;
317 		ucode->tmr_mc_addr_hi = psp->cmd_buf_mem->resp.fw_addr_hi;
318 	}
319 	mutex_unlock(&psp->mutex);
320 
321 	return ret;
322 }
323 
324 static void psp_prep_tmr_cmd_buf(struct psp_context *psp,
325 				 struct psp_gfx_cmd_resp *cmd,
326 				 uint64_t tmr_mc, uint32_t size)
327 {
328 	if (amdgpu_sriov_vf(psp->adev))
329 		cmd->cmd_id = GFX_CMD_ID_SETUP_VMR;
330 	else
331 		cmd->cmd_id = GFX_CMD_ID_SETUP_TMR;
332 	cmd->cmd.cmd_setup_tmr.buf_phy_addr_lo = lower_32_bits(tmr_mc);
333 	cmd->cmd.cmd_setup_tmr.buf_phy_addr_hi = upper_32_bits(tmr_mc);
334 	cmd->cmd.cmd_setup_tmr.buf_size = size;
335 }
336 
337 static void psp_prep_load_toc_cmd_buf(struct psp_gfx_cmd_resp *cmd,
338 				      uint64_t pri_buf_mc, uint32_t size)
339 {
340 	cmd->cmd_id = GFX_CMD_ID_LOAD_TOC;
341 	cmd->cmd.cmd_load_toc.toc_phy_addr_lo = lower_32_bits(pri_buf_mc);
342 	cmd->cmd.cmd_load_toc.toc_phy_addr_hi = upper_32_bits(pri_buf_mc);
343 	cmd->cmd.cmd_load_toc.toc_size = size;
344 }
345 
346 /* Issue LOAD TOC cmd to PSP to part toc and calculate tmr size needed */
347 static int psp_load_toc(struct psp_context *psp,
348 			uint32_t *tmr_size)
349 {
350 	int ret;
351 	struct psp_gfx_cmd_resp *cmd;
352 
353 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
354 	if (!cmd)
355 		return -ENOMEM;
356 	/* Copy toc to psp firmware private buffer */
357 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
358 	memcpy(psp->fw_pri_buf, psp->toc_start_addr, psp->toc_bin_size);
359 
360 	psp_prep_load_toc_cmd_buf(cmd, psp->fw_pri_mc_addr, psp->toc_bin_size);
361 
362 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
363 				 psp->fence_buf_mc_addr);
364 	if (!ret)
365 		*tmr_size = psp->cmd_buf_mem->resp.tmr_size;
366 	kfree(cmd);
367 	return ret;
368 }
369 
370 /* Set up Trusted Memory Region */
371 static int psp_tmr_init(struct psp_context *psp)
372 {
373 	int ret;
374 	int tmr_size;
375 	void *tmr_buf;
376 	void **pptr;
377 
378 	/*
379 	 * According to HW engineer, they prefer the TMR address be "naturally
380 	 * aligned" , e.g. the start address be an integer divide of TMR size.
381 	 *
382 	 * Note: this memory need be reserved till the driver
383 	 * uninitializes.
384 	 */
385 	tmr_size = PSP_TMR_SIZE;
386 
387 	/* For ASICs support RLC autoload, psp will parse the toc
388 	 * and calculate the total size of TMR needed */
389 	if (!amdgpu_sriov_vf(psp->adev) &&
390 	    psp->toc_start_addr &&
391 	    psp->toc_bin_size &&
392 	    psp->fw_pri_buf) {
393 		ret = psp_load_toc(psp, &tmr_size);
394 		if (ret) {
395 			DRM_ERROR("Failed to load toc\n");
396 			return ret;
397 		}
398 	}
399 
400 	pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
401 	ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, PSP_TMR_SIZE,
402 				      AMDGPU_GEM_DOMAIN_VRAM,
403 				      &psp->tmr_bo, &psp->tmr_mc_addr, pptr);
404 
405 	return ret;
406 }
407 
408 static int psp_clear_vf_fw(struct psp_context *psp)
409 {
410 	int ret;
411 	struct psp_gfx_cmd_resp *cmd;
412 
413 	if (!amdgpu_sriov_vf(psp->adev) || psp->adev->asic_type != CHIP_NAVI12)
414 		return 0;
415 
416 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
417 	if (!cmd)
418 		return -ENOMEM;
419 
420 	cmd->cmd_id = GFX_CMD_ID_CLEAR_VF_FW;
421 
422 	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
423 	kfree(cmd);
424 
425 	return ret;
426 }
427 
428 static bool psp_skip_tmr(struct psp_context *psp)
429 {
430 	switch (psp->adev->asic_type) {
431 	case CHIP_NAVI12:
432 	case CHIP_SIENNA_CICHLID:
433 		return true;
434 	default:
435 		return false;
436 	}
437 }
438 
439 static int psp_tmr_load(struct psp_context *psp)
440 {
441 	int ret;
442 	struct psp_gfx_cmd_resp *cmd;
443 
444 	/* For Navi12 and CHIP_SIENNA_CICHLID SRIOV, do not set up TMR.
445 	 * Already set up by host driver.
446 	 */
447 	if (amdgpu_sriov_vf(psp->adev) && psp_skip_tmr(psp))
448 		return 0;
449 
450 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
451 	if (!cmd)
452 		return -ENOMEM;
453 
454 	psp_prep_tmr_cmd_buf(psp, cmd, psp->tmr_mc_addr,
455 			     amdgpu_bo_size(psp->tmr_bo));
456 	DRM_INFO("reserve 0x%lx from 0x%llx for PSP TMR\n",
457 		 amdgpu_bo_size(psp->tmr_bo), psp->tmr_mc_addr);
458 
459 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
460 				 psp->fence_buf_mc_addr);
461 
462 	kfree(cmd);
463 
464 	return ret;
465 }
466 
467 static void psp_prep_tmr_unload_cmd_buf(struct psp_context *psp,
468 					struct psp_gfx_cmd_resp *cmd)
469 {
470 	if (amdgpu_sriov_vf(psp->adev))
471 		cmd->cmd_id = GFX_CMD_ID_DESTROY_VMR;
472 	else
473 		cmd->cmd_id = GFX_CMD_ID_DESTROY_TMR;
474 }
475 
476 static int psp_tmr_unload(struct psp_context *psp)
477 {
478 	int ret;
479 	struct psp_gfx_cmd_resp *cmd;
480 
481 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
482 	if (!cmd)
483 		return -ENOMEM;
484 
485 	psp_prep_tmr_unload_cmd_buf(psp, cmd);
486 	DRM_INFO("free PSP TMR buffer\n");
487 
488 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
489 				 psp->fence_buf_mc_addr);
490 
491 	kfree(cmd);
492 
493 	return ret;
494 }
495 
496 static int psp_tmr_terminate(struct psp_context *psp)
497 {
498 	int ret;
499 	void *tmr_buf;
500 	void **pptr;
501 
502 	ret = psp_tmr_unload(psp);
503 	if (ret)
504 		return ret;
505 
506 	/* free TMR memory buffer */
507 	pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
508 	amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, pptr);
509 
510 	return 0;
511 }
512 
513 int psp_get_fw_attestation_records_addr(struct psp_context *psp,
514 					uint64_t *output_ptr)
515 {
516 	int ret;
517 	struct psp_gfx_cmd_resp *cmd;
518 
519 	if (!output_ptr)
520 		return -EINVAL;
521 
522 	if (amdgpu_sriov_vf(psp->adev))
523 		return 0;
524 
525 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
526 	if (!cmd)
527 		return -ENOMEM;
528 
529 	cmd->cmd_id = GFX_CMD_ID_GET_FW_ATTESTATION;
530 
531 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
532 				 psp->fence_buf_mc_addr);
533 
534 	if (!ret) {
535 		*output_ptr = ((uint64_t)cmd->resp.uresp.fwar_db_info.fwar_db_addr_lo) +
536 			      ((uint64_t)cmd->resp.uresp.fwar_db_info.fwar_db_addr_hi << 32);
537 	}
538 
539 	kfree(cmd);
540 
541 	return ret;
542 }
543 
544 static void psp_prep_asd_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
545 				uint64_t asd_mc, uint32_t size)
546 {
547 	cmd->cmd_id = GFX_CMD_ID_LOAD_ASD;
548 	cmd->cmd.cmd_load_ta.app_phy_addr_lo = lower_32_bits(asd_mc);
549 	cmd->cmd.cmd_load_ta.app_phy_addr_hi = upper_32_bits(asd_mc);
550 	cmd->cmd.cmd_load_ta.app_len = size;
551 
552 	cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_lo = 0;
553 	cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_hi = 0;
554 	cmd->cmd.cmd_load_ta.cmd_buf_len = 0;
555 }
556 
557 static int psp_asd_load(struct psp_context *psp)
558 {
559 	int ret;
560 	struct psp_gfx_cmd_resp *cmd;
561 
562 	/* If PSP version doesn't match ASD version, asd loading will be failed.
563 	 * add workaround to bypass it for sriov now.
564 	 * TODO: add version check to make it common
565 	 */
566 	if (amdgpu_sriov_vf(psp->adev) || !psp->asd_fw)
567 		return 0;
568 
569 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
570 	if (!cmd)
571 		return -ENOMEM;
572 
573 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
574 	memcpy(psp->fw_pri_buf, psp->asd_start_addr, psp->asd_ucode_size);
575 
576 	psp_prep_asd_load_cmd_buf(cmd, psp->fw_pri_mc_addr,
577 				  psp->asd_ucode_size);
578 
579 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
580 				 psp->fence_buf_mc_addr);
581 	if (!ret) {
582 		psp->asd_context.asd_initialized = true;
583 		psp->asd_context.session_id = cmd->resp.session_id;
584 	}
585 
586 	kfree(cmd);
587 
588 	return ret;
589 }
590 
591 static void psp_prep_ta_unload_cmd_buf(struct psp_gfx_cmd_resp *cmd,
592 				       uint32_t session_id)
593 {
594 	cmd->cmd_id = GFX_CMD_ID_UNLOAD_TA;
595 	cmd->cmd.cmd_unload_ta.session_id = session_id;
596 }
597 
598 static int psp_asd_unload(struct psp_context *psp)
599 {
600 	int ret;
601 	struct psp_gfx_cmd_resp *cmd;
602 
603 	if (amdgpu_sriov_vf(psp->adev))
604 		return 0;
605 
606 	if (!psp->asd_context.asd_initialized)
607 		return 0;
608 
609 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
610 	if (!cmd)
611 		return -ENOMEM;
612 
613 	psp_prep_ta_unload_cmd_buf(cmd, psp->asd_context.session_id);
614 
615 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
616 				 psp->fence_buf_mc_addr);
617 	if (!ret)
618 		psp->asd_context.asd_initialized = false;
619 
620 	kfree(cmd);
621 
622 	return ret;
623 }
624 
625 static void psp_prep_reg_prog_cmd_buf(struct psp_gfx_cmd_resp *cmd,
626 		uint32_t id, uint32_t value)
627 {
628 	cmd->cmd_id = GFX_CMD_ID_PROG_REG;
629 	cmd->cmd.cmd_setup_reg_prog.reg_value = value;
630 	cmd->cmd.cmd_setup_reg_prog.reg_id = id;
631 }
632 
633 int psp_reg_program(struct psp_context *psp, enum psp_reg_prog_id reg,
634 		uint32_t value)
635 {
636 	struct psp_gfx_cmd_resp *cmd = NULL;
637 	int ret = 0;
638 
639 	if (reg >= PSP_REG_LAST)
640 		return -EINVAL;
641 
642 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
643 	if (!cmd)
644 		return -ENOMEM;
645 
646 	psp_prep_reg_prog_cmd_buf(cmd, reg, value);
647 	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
648 
649 	kfree(cmd);
650 	return ret;
651 }
652 
653 static void psp_prep_ta_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
654 				     uint64_t ta_bin_mc,
655 				     uint32_t ta_bin_size,
656 				     uint64_t ta_shared_mc,
657 				     uint32_t ta_shared_size)
658 {
659 	cmd->cmd_id				= GFX_CMD_ID_LOAD_TA;
660 	cmd->cmd.cmd_load_ta.app_phy_addr_lo 	= lower_32_bits(ta_bin_mc);
661 	cmd->cmd.cmd_load_ta.app_phy_addr_hi	= upper_32_bits(ta_bin_mc);
662 	cmd->cmd.cmd_load_ta.app_len		= ta_bin_size;
663 
664 	cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_lo = lower_32_bits(ta_shared_mc);
665 	cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_hi = upper_32_bits(ta_shared_mc);
666 	cmd->cmd.cmd_load_ta.cmd_buf_len	 = ta_shared_size;
667 }
668 
669 static int psp_xgmi_init_shared_buf(struct psp_context *psp)
670 {
671 	int ret;
672 
673 	/*
674 	 * Allocate 16k memory aligned to 4k from Frame Buffer (local
675 	 * physical) for xgmi ta <-> Driver
676 	 */
677 	ret = amdgpu_bo_create_kernel(psp->adev, PSP_XGMI_SHARED_MEM_SIZE,
678 				      PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
679 				      &psp->xgmi_context.xgmi_shared_bo,
680 				      &psp->xgmi_context.xgmi_shared_mc_addr,
681 				      &psp->xgmi_context.xgmi_shared_buf);
682 
683 	return ret;
684 }
685 
686 static void psp_prep_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd,
687 				       uint32_t ta_cmd_id,
688 				       uint32_t session_id)
689 {
690 	cmd->cmd_id				= GFX_CMD_ID_INVOKE_CMD;
691 	cmd->cmd.cmd_invoke_cmd.session_id	= session_id;
692 	cmd->cmd.cmd_invoke_cmd.ta_cmd_id	= ta_cmd_id;
693 }
694 
695 static int psp_ta_invoke(struct psp_context *psp,
696 		  uint32_t ta_cmd_id,
697 		  uint32_t session_id)
698 {
699 	int ret;
700 	struct psp_gfx_cmd_resp *cmd;
701 
702 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
703 	if (!cmd)
704 		return -ENOMEM;
705 
706 	psp_prep_ta_invoke_cmd_buf(cmd, ta_cmd_id, session_id);
707 
708 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
709 				 psp->fence_buf_mc_addr);
710 
711 	kfree(cmd);
712 
713 	return ret;
714 }
715 
716 static int psp_xgmi_load(struct psp_context *psp)
717 {
718 	int ret;
719 	struct psp_gfx_cmd_resp *cmd;
720 
721 	/*
722 	 * TODO: bypass the loading in sriov for now
723 	 */
724 
725 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
726 	if (!cmd)
727 		return -ENOMEM;
728 
729 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
730 	memcpy(psp->fw_pri_buf, psp->ta_xgmi_start_addr, psp->ta_xgmi_ucode_size);
731 
732 	psp_prep_ta_load_cmd_buf(cmd,
733 				 psp->fw_pri_mc_addr,
734 				 psp->ta_xgmi_ucode_size,
735 				 psp->xgmi_context.xgmi_shared_mc_addr,
736 				 PSP_XGMI_SHARED_MEM_SIZE);
737 
738 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
739 				 psp->fence_buf_mc_addr);
740 
741 	if (!ret) {
742 		psp->xgmi_context.initialized = 1;
743 		psp->xgmi_context.session_id = cmd->resp.session_id;
744 	}
745 
746 	kfree(cmd);
747 
748 	return ret;
749 }
750 
751 static int psp_xgmi_unload(struct psp_context *psp)
752 {
753 	int ret;
754 	struct psp_gfx_cmd_resp *cmd;
755 	struct amdgpu_device *adev = psp->adev;
756 
757 	/* XGMI TA unload currently is not supported on Arcturus */
758 	if (adev->asic_type == CHIP_ARCTURUS)
759 		return 0;
760 
761 	/*
762 	 * TODO: bypass the unloading in sriov for now
763 	 */
764 
765 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
766 	if (!cmd)
767 		return -ENOMEM;
768 
769 	psp_prep_ta_unload_cmd_buf(cmd, psp->xgmi_context.session_id);
770 
771 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
772 				 psp->fence_buf_mc_addr);
773 
774 	kfree(cmd);
775 
776 	return ret;
777 }
778 
779 int psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
780 {
781 	return psp_ta_invoke(psp, ta_cmd_id, psp->xgmi_context.session_id);
782 }
783 
784 int psp_xgmi_terminate(struct psp_context *psp)
785 {
786 	int ret;
787 
788 	if (!psp->xgmi_context.initialized)
789 		return 0;
790 
791 	ret = psp_xgmi_unload(psp);
792 	if (ret)
793 		return ret;
794 
795 	psp->xgmi_context.initialized = 0;
796 
797 	/* free xgmi shared memory */
798 	amdgpu_bo_free_kernel(&psp->xgmi_context.xgmi_shared_bo,
799 			&psp->xgmi_context.xgmi_shared_mc_addr,
800 			&psp->xgmi_context.xgmi_shared_buf);
801 
802 	return 0;
803 }
804 
805 int psp_xgmi_initialize(struct psp_context *psp)
806 {
807 	struct ta_xgmi_shared_memory *xgmi_cmd;
808 	int ret;
809 
810 	if (!psp->adev->psp.ta_fw ||
811 	    !psp->adev->psp.ta_xgmi_ucode_size ||
812 	    !psp->adev->psp.ta_xgmi_start_addr)
813 		return -ENOENT;
814 
815 	if (!psp->xgmi_context.initialized) {
816 		ret = psp_xgmi_init_shared_buf(psp);
817 		if (ret)
818 			return ret;
819 	}
820 
821 	/* Load XGMI TA */
822 	ret = psp_xgmi_load(psp);
823 	if (ret)
824 		return ret;
825 
826 	/* Initialize XGMI session */
827 	xgmi_cmd = (struct ta_xgmi_shared_memory *)(psp->xgmi_context.xgmi_shared_buf);
828 	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
829 	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__INITIALIZE;
830 
831 	ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
832 
833 	return ret;
834 }
835 
836 int psp_xgmi_get_hive_id(struct psp_context *psp, uint64_t *hive_id)
837 {
838 	struct ta_xgmi_shared_memory *xgmi_cmd;
839 	int ret;
840 
841 	xgmi_cmd = (struct ta_xgmi_shared_memory *)psp->xgmi_context.xgmi_shared_buf;
842 	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
843 
844 	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_HIVE_ID;
845 
846 	/* Invoke xgmi ta to get hive id */
847 	ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
848 	if (ret)
849 		return ret;
850 
851 	*hive_id = xgmi_cmd->xgmi_out_message.get_hive_id.hive_id;
852 
853 	return 0;
854 }
855 
856 int psp_xgmi_get_node_id(struct psp_context *psp, uint64_t *node_id)
857 {
858 	struct ta_xgmi_shared_memory *xgmi_cmd;
859 	int ret;
860 
861 	xgmi_cmd = (struct ta_xgmi_shared_memory *)psp->xgmi_context.xgmi_shared_buf;
862 	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
863 
864 	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_NODE_ID;
865 
866 	/* Invoke xgmi ta to get the node id */
867 	ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
868 	if (ret)
869 		return ret;
870 
871 	*node_id = xgmi_cmd->xgmi_out_message.get_node_id.node_id;
872 
873 	return 0;
874 }
875 
876 int psp_xgmi_get_topology_info(struct psp_context *psp,
877 			       int number_devices,
878 			       struct psp_xgmi_topology_info *topology)
879 {
880 	struct ta_xgmi_shared_memory *xgmi_cmd;
881 	struct ta_xgmi_cmd_get_topology_info_input *topology_info_input;
882 	struct ta_xgmi_cmd_get_topology_info_output *topology_info_output;
883 	int i;
884 	int ret;
885 
886 	if (!topology || topology->num_nodes > TA_XGMI__MAX_CONNECTED_NODES)
887 		return -EINVAL;
888 
889 	xgmi_cmd = (struct ta_xgmi_shared_memory *)psp->xgmi_context.xgmi_shared_buf;
890 	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
891 
892 	/* Fill in the shared memory with topology information as input */
893 	topology_info_input = &xgmi_cmd->xgmi_in_message.get_topology_info;
894 	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO;
895 	topology_info_input->num_nodes = number_devices;
896 
897 	for (i = 0; i < topology_info_input->num_nodes; i++) {
898 		topology_info_input->nodes[i].node_id = topology->nodes[i].node_id;
899 		topology_info_input->nodes[i].num_hops = topology->nodes[i].num_hops;
900 		topology_info_input->nodes[i].is_sharing_enabled = topology->nodes[i].is_sharing_enabled;
901 		topology_info_input->nodes[i].sdma_engine = topology->nodes[i].sdma_engine;
902 	}
903 
904 	/* Invoke xgmi ta to get the topology information */
905 	ret = psp_xgmi_invoke(psp, TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO);
906 	if (ret)
907 		return ret;
908 
909 	/* Read the output topology information from the shared memory */
910 	topology_info_output = &xgmi_cmd->xgmi_out_message.get_topology_info;
911 	topology->num_nodes = xgmi_cmd->xgmi_out_message.get_topology_info.num_nodes;
912 	for (i = 0; i < topology->num_nodes; i++) {
913 		topology->nodes[i].node_id = topology_info_output->nodes[i].node_id;
914 		topology->nodes[i].num_hops = topology_info_output->nodes[i].num_hops;
915 		topology->nodes[i].is_sharing_enabled = topology_info_output->nodes[i].is_sharing_enabled;
916 		topology->nodes[i].sdma_engine = topology_info_output->nodes[i].sdma_engine;
917 	}
918 
919 	return 0;
920 }
921 
922 int psp_xgmi_set_topology_info(struct psp_context *psp,
923 			       int number_devices,
924 			       struct psp_xgmi_topology_info *topology)
925 {
926 	struct ta_xgmi_shared_memory *xgmi_cmd;
927 	struct ta_xgmi_cmd_get_topology_info_input *topology_info_input;
928 	int i;
929 
930 	if (!topology || topology->num_nodes > TA_XGMI__MAX_CONNECTED_NODES)
931 		return -EINVAL;
932 
933 	xgmi_cmd = (struct ta_xgmi_shared_memory *)psp->xgmi_context.xgmi_shared_buf;
934 	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
935 
936 	topology_info_input = &xgmi_cmd->xgmi_in_message.get_topology_info;
937 	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__SET_TOPOLOGY_INFO;
938 	topology_info_input->num_nodes = number_devices;
939 
940 	for (i = 0; i < topology_info_input->num_nodes; i++) {
941 		topology_info_input->nodes[i].node_id = topology->nodes[i].node_id;
942 		topology_info_input->nodes[i].num_hops = topology->nodes[i].num_hops;
943 		topology_info_input->nodes[i].is_sharing_enabled = 1;
944 		topology_info_input->nodes[i].sdma_engine = topology->nodes[i].sdma_engine;
945 	}
946 
947 	/* Invoke xgmi ta to set topology information */
948 	return psp_xgmi_invoke(psp, TA_COMMAND_XGMI__SET_TOPOLOGY_INFO);
949 }
950 
951 // ras begin
952 static int psp_ras_init_shared_buf(struct psp_context *psp)
953 {
954 	int ret;
955 
956 	/*
957 	 * Allocate 16k memory aligned to 4k from Frame Buffer (local
958 	 * physical) for ras ta <-> Driver
959 	 */
960 	ret = amdgpu_bo_create_kernel(psp->adev, PSP_RAS_SHARED_MEM_SIZE,
961 			PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
962 			&psp->ras.ras_shared_bo,
963 			&psp->ras.ras_shared_mc_addr,
964 			&psp->ras.ras_shared_buf);
965 
966 	return ret;
967 }
968 
969 static int psp_ras_load(struct psp_context *psp)
970 {
971 	int ret;
972 	struct psp_gfx_cmd_resp *cmd;
973 	struct ta_ras_shared_memory *ras_cmd;
974 
975 	/*
976 	 * TODO: bypass the loading in sriov for now
977 	 */
978 	if (amdgpu_sriov_vf(psp->adev))
979 		return 0;
980 
981 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
982 	if (!cmd)
983 		return -ENOMEM;
984 
985 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
986 	memcpy(psp->fw_pri_buf, psp->ta_ras_start_addr, psp->ta_ras_ucode_size);
987 
988 	psp_prep_ta_load_cmd_buf(cmd,
989 				 psp->fw_pri_mc_addr,
990 				 psp->ta_ras_ucode_size,
991 				 psp->ras.ras_shared_mc_addr,
992 				 PSP_RAS_SHARED_MEM_SIZE);
993 
994 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
995 			psp->fence_buf_mc_addr);
996 
997 	ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
998 
999 	if (!ret) {
1000 		psp->ras.session_id = cmd->resp.session_id;
1001 
1002 		if (!ras_cmd->ras_status)
1003 			psp->ras.ras_initialized = true;
1004 		else
1005 			dev_warn(psp->adev->dev, "RAS Init Status: 0x%X\n", ras_cmd->ras_status);
1006 	}
1007 
1008 	if (ret || ras_cmd->ras_status)
1009 		amdgpu_ras_fini(psp->adev);
1010 
1011 	kfree(cmd);
1012 
1013 	return ret;
1014 }
1015 
1016 static int psp_ras_unload(struct psp_context *psp)
1017 {
1018 	int ret;
1019 	struct psp_gfx_cmd_resp *cmd;
1020 
1021 	/*
1022 	 * TODO: bypass the unloading in sriov for now
1023 	 */
1024 	if (amdgpu_sriov_vf(psp->adev))
1025 		return 0;
1026 
1027 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
1028 	if (!cmd)
1029 		return -ENOMEM;
1030 
1031 	psp_prep_ta_unload_cmd_buf(cmd, psp->ras.session_id);
1032 
1033 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
1034 			psp->fence_buf_mc_addr);
1035 
1036 	kfree(cmd);
1037 
1038 	return ret;
1039 }
1040 
1041 int psp_ras_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
1042 {
1043 	struct ta_ras_shared_memory *ras_cmd;
1044 	int ret;
1045 
1046 	ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
1047 
1048 	/*
1049 	 * TODO: bypass the loading in sriov for now
1050 	 */
1051 	if (amdgpu_sriov_vf(psp->adev))
1052 		return 0;
1053 
1054 	ret = psp_ta_invoke(psp, ta_cmd_id, psp->ras.session_id);
1055 
1056 	if (amdgpu_ras_intr_triggered())
1057 		return ret;
1058 
1059 	if (ras_cmd->if_version > RAS_TA_HOST_IF_VER)
1060 	{
1061 		DRM_WARN("RAS: Unsupported Interface");
1062 		return -EINVAL;
1063 	}
1064 
1065 	if (!ret) {
1066 		if (ras_cmd->ras_out_message.flags.err_inject_switch_disable_flag) {
1067 			dev_warn(psp->adev->dev, "ECC switch disabled\n");
1068 
1069 			ras_cmd->ras_status = TA_RAS_STATUS__ERROR_RAS_NOT_AVAILABLE;
1070 		}
1071 		else if (ras_cmd->ras_out_message.flags.reg_access_failure_flag)
1072 			dev_warn(psp->adev->dev,
1073 				 "RAS internal register access blocked\n");
1074 	}
1075 
1076 	return ret;
1077 }
1078 
1079 int psp_ras_enable_features(struct psp_context *psp,
1080 		union ta_ras_cmd_input *info, bool enable)
1081 {
1082 	struct ta_ras_shared_memory *ras_cmd;
1083 	int ret;
1084 
1085 	if (!psp->ras.ras_initialized)
1086 		return -EINVAL;
1087 
1088 	ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
1089 	memset(ras_cmd, 0, sizeof(struct ta_ras_shared_memory));
1090 
1091 	if (enable)
1092 		ras_cmd->cmd_id = TA_RAS_COMMAND__ENABLE_FEATURES;
1093 	else
1094 		ras_cmd->cmd_id = TA_RAS_COMMAND__DISABLE_FEATURES;
1095 
1096 	ras_cmd->ras_in_message = *info;
1097 
1098 	ret = psp_ras_invoke(psp, ras_cmd->cmd_id);
1099 	if (ret)
1100 		return -EINVAL;
1101 
1102 	return ras_cmd->ras_status;
1103 }
1104 
1105 static int psp_ras_terminate(struct psp_context *psp)
1106 {
1107 	int ret;
1108 
1109 	/*
1110 	 * TODO: bypass the terminate in sriov for now
1111 	 */
1112 	if (amdgpu_sriov_vf(psp->adev))
1113 		return 0;
1114 
1115 	if (!psp->ras.ras_initialized)
1116 		return 0;
1117 
1118 	ret = psp_ras_unload(psp);
1119 	if (ret)
1120 		return ret;
1121 
1122 	psp->ras.ras_initialized = false;
1123 
1124 	/* free ras shared memory */
1125 	amdgpu_bo_free_kernel(&psp->ras.ras_shared_bo,
1126 			&psp->ras.ras_shared_mc_addr,
1127 			&psp->ras.ras_shared_buf);
1128 
1129 	return 0;
1130 }
1131 
1132 static int psp_ras_initialize(struct psp_context *psp)
1133 {
1134 	int ret;
1135 
1136 	/*
1137 	 * TODO: bypass the initialize in sriov for now
1138 	 */
1139 	if (amdgpu_sriov_vf(psp->adev))
1140 		return 0;
1141 
1142 	if (!psp->adev->psp.ta_ras_ucode_size ||
1143 	    !psp->adev->psp.ta_ras_start_addr) {
1144 		dev_info(psp->adev->dev, "RAS: optional ras ta ucode is not available\n");
1145 		return 0;
1146 	}
1147 
1148 	if (!psp->ras.ras_initialized) {
1149 		ret = psp_ras_init_shared_buf(psp);
1150 		if (ret)
1151 			return ret;
1152 	}
1153 
1154 	ret = psp_ras_load(psp);
1155 	if (ret)
1156 		return ret;
1157 
1158 	return 0;
1159 }
1160 
1161 int psp_ras_trigger_error(struct psp_context *psp,
1162 			  struct ta_ras_trigger_error_input *info)
1163 {
1164 	struct ta_ras_shared_memory *ras_cmd;
1165 	int ret;
1166 
1167 	if (!psp->ras.ras_initialized)
1168 		return -EINVAL;
1169 
1170 	ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
1171 	memset(ras_cmd, 0, sizeof(struct ta_ras_shared_memory));
1172 
1173 	ras_cmd->cmd_id = TA_RAS_COMMAND__TRIGGER_ERROR;
1174 	ras_cmd->ras_in_message.trigger_error = *info;
1175 
1176 	ret = psp_ras_invoke(psp, ras_cmd->cmd_id);
1177 	if (ret)
1178 		return -EINVAL;
1179 
1180 	/* If err_event_athub occurs error inject was successful, however
1181 	   return status from TA is no long reliable */
1182 	if (amdgpu_ras_intr_triggered())
1183 		return 0;
1184 
1185 	return ras_cmd->ras_status;
1186 }
1187 // ras end
1188 
1189 // HDCP start
1190 static int psp_hdcp_init_shared_buf(struct psp_context *psp)
1191 {
1192 	int ret;
1193 
1194 	/*
1195 	 * Allocate 16k memory aligned to 4k from Frame Buffer (local
1196 	 * physical) for hdcp ta <-> Driver
1197 	 */
1198 	ret = amdgpu_bo_create_kernel(psp->adev, PSP_HDCP_SHARED_MEM_SIZE,
1199 				      PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
1200 				      &psp->hdcp_context.hdcp_shared_bo,
1201 				      &psp->hdcp_context.hdcp_shared_mc_addr,
1202 				      &psp->hdcp_context.hdcp_shared_buf);
1203 
1204 	return ret;
1205 }
1206 
1207 static int psp_hdcp_load(struct psp_context *psp)
1208 {
1209 	int ret;
1210 	struct psp_gfx_cmd_resp *cmd;
1211 
1212 	/*
1213 	 * TODO: bypass the loading in sriov for now
1214 	 */
1215 	if (amdgpu_sriov_vf(psp->adev))
1216 		return 0;
1217 
1218 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
1219 	if (!cmd)
1220 		return -ENOMEM;
1221 
1222 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
1223 	memcpy(psp->fw_pri_buf, psp->ta_hdcp_start_addr,
1224 	       psp->ta_hdcp_ucode_size);
1225 
1226 	psp_prep_ta_load_cmd_buf(cmd,
1227 				 psp->fw_pri_mc_addr,
1228 				 psp->ta_hdcp_ucode_size,
1229 				 psp->hdcp_context.hdcp_shared_mc_addr,
1230 				 PSP_HDCP_SHARED_MEM_SIZE);
1231 
1232 	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
1233 
1234 	if (!ret) {
1235 		psp->hdcp_context.hdcp_initialized = true;
1236 		psp->hdcp_context.session_id = cmd->resp.session_id;
1237 		mutex_init(&psp->hdcp_context.mutex);
1238 	}
1239 
1240 	kfree(cmd);
1241 
1242 	return ret;
1243 }
1244 static int psp_hdcp_initialize(struct psp_context *psp)
1245 {
1246 	int ret;
1247 
1248 	/*
1249 	 * TODO: bypass the initialize in sriov for now
1250 	 */
1251 	if (amdgpu_sriov_vf(psp->adev))
1252 		return 0;
1253 
1254 	if (!psp->adev->psp.ta_hdcp_ucode_size ||
1255 	    !psp->adev->psp.ta_hdcp_start_addr) {
1256 		dev_info(psp->adev->dev, "HDCP: optional hdcp ta ucode is not available\n");
1257 		return 0;
1258 	}
1259 
1260 	if (!psp->hdcp_context.hdcp_initialized) {
1261 		ret = psp_hdcp_init_shared_buf(psp);
1262 		if (ret)
1263 			return ret;
1264 	}
1265 
1266 	ret = psp_hdcp_load(psp);
1267 	if (ret)
1268 		return ret;
1269 
1270 	return 0;
1271 }
1272 
1273 static int psp_hdcp_unload(struct psp_context *psp)
1274 {
1275 	int ret;
1276 	struct psp_gfx_cmd_resp *cmd;
1277 
1278 	/*
1279 	 * TODO: bypass the unloading in sriov for now
1280 	 */
1281 	if (amdgpu_sriov_vf(psp->adev))
1282 		return 0;
1283 
1284 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
1285 	if (!cmd)
1286 		return -ENOMEM;
1287 
1288 	psp_prep_ta_unload_cmd_buf(cmd, psp->hdcp_context.session_id);
1289 
1290 	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
1291 
1292 	kfree(cmd);
1293 
1294 	return ret;
1295 }
1296 
1297 int psp_hdcp_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
1298 {
1299 	/*
1300 	 * TODO: bypass the loading in sriov for now
1301 	 */
1302 	if (amdgpu_sriov_vf(psp->adev))
1303 		return 0;
1304 
1305 	return psp_ta_invoke(psp, ta_cmd_id, psp->hdcp_context.session_id);
1306 }
1307 
1308 static int psp_hdcp_terminate(struct psp_context *psp)
1309 {
1310 	int ret;
1311 
1312 	/*
1313 	 * TODO: bypass the terminate in sriov for now
1314 	 */
1315 	if (amdgpu_sriov_vf(psp->adev))
1316 		return 0;
1317 
1318 	if (!psp->hdcp_context.hdcp_initialized)
1319 		return 0;
1320 
1321 	ret = psp_hdcp_unload(psp);
1322 	if (ret)
1323 		return ret;
1324 
1325 	psp->hdcp_context.hdcp_initialized = false;
1326 
1327 	/* free hdcp shared memory */
1328 	amdgpu_bo_free_kernel(&psp->hdcp_context.hdcp_shared_bo,
1329 			      &psp->hdcp_context.hdcp_shared_mc_addr,
1330 			      &psp->hdcp_context.hdcp_shared_buf);
1331 
1332 	return 0;
1333 }
1334 // HDCP end
1335 
1336 // DTM start
1337 static int psp_dtm_init_shared_buf(struct psp_context *psp)
1338 {
1339 	int ret;
1340 
1341 	/*
1342 	 * Allocate 16k memory aligned to 4k from Frame Buffer (local
1343 	 * physical) for dtm ta <-> Driver
1344 	 */
1345 	ret = amdgpu_bo_create_kernel(psp->adev, PSP_DTM_SHARED_MEM_SIZE,
1346 				      PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
1347 				      &psp->dtm_context.dtm_shared_bo,
1348 				      &psp->dtm_context.dtm_shared_mc_addr,
1349 				      &psp->dtm_context.dtm_shared_buf);
1350 
1351 	return ret;
1352 }
1353 
1354 static int psp_dtm_load(struct psp_context *psp)
1355 {
1356 	int ret;
1357 	struct psp_gfx_cmd_resp *cmd;
1358 
1359 	/*
1360 	 * TODO: bypass the loading in sriov for now
1361 	 */
1362 	if (amdgpu_sriov_vf(psp->adev))
1363 		return 0;
1364 
1365 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
1366 	if (!cmd)
1367 		return -ENOMEM;
1368 
1369 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
1370 	memcpy(psp->fw_pri_buf, psp->ta_dtm_start_addr, psp->ta_dtm_ucode_size);
1371 
1372 	psp_prep_ta_load_cmd_buf(cmd,
1373 				 psp->fw_pri_mc_addr,
1374 				 psp->ta_dtm_ucode_size,
1375 				 psp->dtm_context.dtm_shared_mc_addr,
1376 				 PSP_DTM_SHARED_MEM_SIZE);
1377 
1378 	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
1379 
1380 	if (!ret) {
1381 		psp->dtm_context.dtm_initialized = true;
1382 		psp->dtm_context.session_id = cmd->resp.session_id;
1383 		mutex_init(&psp->dtm_context.mutex);
1384 	}
1385 
1386 	kfree(cmd);
1387 
1388 	return ret;
1389 }
1390 
1391 static int psp_dtm_initialize(struct psp_context *psp)
1392 {
1393 	int ret;
1394 
1395 	/*
1396 	 * TODO: bypass the initialize in sriov for now
1397 	 */
1398 	if (amdgpu_sriov_vf(psp->adev))
1399 		return 0;
1400 
1401 	if (!psp->adev->psp.ta_dtm_ucode_size ||
1402 	    !psp->adev->psp.ta_dtm_start_addr) {
1403 		dev_info(psp->adev->dev, "DTM: optional dtm ta ucode is not available\n");
1404 		return 0;
1405 	}
1406 
1407 	if (!psp->dtm_context.dtm_initialized) {
1408 		ret = psp_dtm_init_shared_buf(psp);
1409 		if (ret)
1410 			return ret;
1411 	}
1412 
1413 	ret = psp_dtm_load(psp);
1414 	if (ret)
1415 		return ret;
1416 
1417 	return 0;
1418 }
1419 
1420 static int psp_dtm_unload(struct psp_context *psp)
1421 {
1422 	int ret;
1423 	struct psp_gfx_cmd_resp *cmd;
1424 
1425 	/*
1426 	 * TODO: bypass the unloading in sriov for now
1427 	 */
1428 	if (amdgpu_sriov_vf(psp->adev))
1429 		return 0;
1430 
1431 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
1432 	if (!cmd)
1433 		return -ENOMEM;
1434 
1435 	psp_prep_ta_unload_cmd_buf(cmd, psp->dtm_context.session_id);
1436 
1437 	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
1438 
1439 	kfree(cmd);
1440 
1441 	return ret;
1442 }
1443 
1444 int psp_dtm_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
1445 {
1446 	/*
1447 	 * TODO: bypass the loading in sriov for now
1448 	 */
1449 	if (amdgpu_sriov_vf(psp->adev))
1450 		return 0;
1451 
1452 	return psp_ta_invoke(psp, ta_cmd_id, psp->dtm_context.session_id);
1453 }
1454 
1455 static int psp_dtm_terminate(struct psp_context *psp)
1456 {
1457 	int ret;
1458 
1459 	/*
1460 	 * TODO: bypass the terminate in sriov for now
1461 	 */
1462 	if (amdgpu_sriov_vf(psp->adev))
1463 		return 0;
1464 
1465 	if (!psp->dtm_context.dtm_initialized)
1466 		return 0;
1467 
1468 	ret = psp_dtm_unload(psp);
1469 	if (ret)
1470 		return ret;
1471 
1472 	psp->dtm_context.dtm_initialized = false;
1473 
1474 	/* free hdcp shared memory */
1475 	amdgpu_bo_free_kernel(&psp->dtm_context.dtm_shared_bo,
1476 			      &psp->dtm_context.dtm_shared_mc_addr,
1477 			      &psp->dtm_context.dtm_shared_buf);
1478 
1479 	return 0;
1480 }
1481 // DTM end
1482 
1483 // RAP start
1484 static int psp_rap_init_shared_buf(struct psp_context *psp)
1485 {
1486 	int ret;
1487 
1488 	/*
1489 	 * Allocate 16k memory aligned to 4k from Frame Buffer (local
1490 	 * physical) for rap ta <-> Driver
1491 	 */
1492 	ret = amdgpu_bo_create_kernel(psp->adev, PSP_RAP_SHARED_MEM_SIZE,
1493 				      PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
1494 				      &psp->rap_context.rap_shared_bo,
1495 				      &psp->rap_context.rap_shared_mc_addr,
1496 				      &psp->rap_context.rap_shared_buf);
1497 
1498 	return ret;
1499 }
1500 
1501 static int psp_rap_load(struct psp_context *psp)
1502 {
1503 	int ret;
1504 	struct psp_gfx_cmd_resp *cmd;
1505 
1506 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
1507 	if (!cmd)
1508 		return -ENOMEM;
1509 
1510 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
1511 	memcpy(psp->fw_pri_buf, psp->ta_rap_start_addr, psp->ta_rap_ucode_size);
1512 
1513 	psp_prep_ta_load_cmd_buf(cmd,
1514 				 psp->fw_pri_mc_addr,
1515 				 psp->ta_rap_ucode_size,
1516 				 psp->rap_context.rap_shared_mc_addr,
1517 				 PSP_RAP_SHARED_MEM_SIZE);
1518 
1519 	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
1520 
1521 	if (!ret) {
1522 		psp->rap_context.rap_initialized = true;
1523 		psp->rap_context.session_id = cmd->resp.session_id;
1524 		mutex_init(&psp->rap_context.mutex);
1525 	}
1526 
1527 	kfree(cmd);
1528 
1529 	return ret;
1530 }
1531 
1532 static int psp_rap_unload(struct psp_context *psp)
1533 {
1534 	int ret;
1535 	struct psp_gfx_cmd_resp *cmd;
1536 
1537 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
1538 	if (!cmd)
1539 		return -ENOMEM;
1540 
1541 	psp_prep_ta_unload_cmd_buf(cmd, psp->rap_context.session_id);
1542 
1543 	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
1544 
1545 	kfree(cmd);
1546 
1547 	return ret;
1548 }
1549 
1550 static int psp_rap_initialize(struct psp_context *psp)
1551 {
1552 	int ret;
1553 
1554 	/*
1555 	 * TODO: bypass the initialize in sriov for now
1556 	 */
1557 	if (amdgpu_sriov_vf(psp->adev))
1558 		return 0;
1559 
1560 	if (!psp->adev->psp.ta_rap_ucode_size ||
1561 	    !psp->adev->psp.ta_rap_start_addr) {
1562 		dev_info(psp->adev->dev, "RAP: optional rap ta ucode is not available\n");
1563 		return 0;
1564 	}
1565 
1566 	if (!psp->rap_context.rap_initialized) {
1567 		ret = psp_rap_init_shared_buf(psp);
1568 		if (ret)
1569 			return ret;
1570 	}
1571 
1572 	ret = psp_rap_load(psp);
1573 	if (ret)
1574 		return ret;
1575 
1576 	ret = psp_rap_invoke(psp, TA_CMD_RAP__INITIALIZE);
1577 	if (ret != TA_RAP_STATUS__SUCCESS) {
1578 		psp_rap_unload(psp);
1579 
1580 		amdgpu_bo_free_kernel(&psp->rap_context.rap_shared_bo,
1581 			      &psp->rap_context.rap_shared_mc_addr,
1582 			      &psp->rap_context.rap_shared_buf);
1583 
1584 		psp->rap_context.rap_initialized = false;
1585 
1586 		dev_warn(psp->adev->dev, "RAP TA initialize fail.\n");
1587 		return -EINVAL;
1588 	}
1589 
1590 	return 0;
1591 }
1592 
1593 static int psp_rap_terminate(struct psp_context *psp)
1594 {
1595 	int ret;
1596 
1597 	if (!psp->rap_context.rap_initialized)
1598 		return 0;
1599 
1600 	ret = psp_rap_unload(psp);
1601 
1602 	psp->rap_context.rap_initialized = false;
1603 
1604 	/* free rap shared memory */
1605 	amdgpu_bo_free_kernel(&psp->rap_context.rap_shared_bo,
1606 			      &psp->rap_context.rap_shared_mc_addr,
1607 			      &psp->rap_context.rap_shared_buf);
1608 
1609 	return ret;
1610 }
1611 
1612 int psp_rap_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
1613 {
1614 	struct ta_rap_shared_memory *rap_cmd;
1615 	int ret;
1616 
1617 	if (!psp->rap_context.rap_initialized)
1618 		return -EINVAL;
1619 
1620 	if (ta_cmd_id != TA_CMD_RAP__INITIALIZE &&
1621 	    ta_cmd_id != TA_CMD_RAP__VALIDATE_L0)
1622 		return -EINVAL;
1623 
1624 	mutex_lock(&psp->rap_context.mutex);
1625 
1626 	rap_cmd = (struct ta_rap_shared_memory *)
1627 		  psp->rap_context.rap_shared_buf;
1628 	memset(rap_cmd, 0, sizeof(struct ta_rap_shared_memory));
1629 
1630 	rap_cmd->cmd_id = ta_cmd_id;
1631 	rap_cmd->validation_method_id = METHOD_A;
1632 
1633 	ret = psp_ta_invoke(psp, rap_cmd->cmd_id, psp->rap_context.session_id);
1634 	if (ret) {
1635 		mutex_unlock(&psp->rap_context.mutex);
1636 		return ret;
1637 	}
1638 
1639 	mutex_unlock(&psp->rap_context.mutex);
1640 
1641 	return rap_cmd->rap_status;
1642 }
1643 // RAP end
1644 
1645 static int psp_hw_start(struct psp_context *psp)
1646 {
1647 	struct amdgpu_device *adev = psp->adev;
1648 	int ret;
1649 
1650 	if (!amdgpu_sriov_vf(adev)) {
1651 		if (psp->kdb_bin_size &&
1652 		    (psp->funcs->bootloader_load_kdb != NULL)) {
1653 			ret = psp_bootloader_load_kdb(psp);
1654 			if (ret) {
1655 				DRM_ERROR("PSP load kdb failed!\n");
1656 				return ret;
1657 			}
1658 		}
1659 
1660 		if (psp->spl_bin_size) {
1661 			ret = psp_bootloader_load_spl(psp);
1662 			if (ret) {
1663 				DRM_ERROR("PSP load spl failed!\n");
1664 				return ret;
1665 			}
1666 		}
1667 
1668 		ret = psp_bootloader_load_sysdrv(psp);
1669 		if (ret) {
1670 			DRM_ERROR("PSP load sysdrv failed!\n");
1671 			return ret;
1672 		}
1673 
1674 		ret = psp_bootloader_load_sos(psp);
1675 		if (ret) {
1676 			DRM_ERROR("PSP load sos failed!\n");
1677 			return ret;
1678 		}
1679 	}
1680 
1681 	ret = psp_ring_create(psp, PSP_RING_TYPE__KM);
1682 	if (ret) {
1683 		DRM_ERROR("PSP create ring failed!\n");
1684 		return ret;
1685 	}
1686 
1687 	ret = psp_clear_vf_fw(psp);
1688 	if (ret) {
1689 		DRM_ERROR("PSP clear vf fw!\n");
1690 		return ret;
1691 	}
1692 
1693 	ret = psp_tmr_init(psp);
1694 	if (ret) {
1695 		DRM_ERROR("PSP tmr init failed!\n");
1696 		return ret;
1697 	}
1698 
1699 	/*
1700 	 * For ASICs with DF Cstate management centralized
1701 	 * to PMFW, TMR setup should be performed after PMFW
1702 	 * loaded and before other non-psp firmware loaded.
1703 	 */
1704 	if (psp->pmfw_centralized_cstate_management) {
1705 		ret = psp_load_smu_fw(psp);
1706 		if (ret)
1707 			return ret;
1708 	}
1709 
1710 	ret = psp_tmr_load(psp);
1711 	if (ret) {
1712 		DRM_ERROR("PSP load tmr failed!\n");
1713 		return ret;
1714 	}
1715 
1716 	return 0;
1717 }
1718 
1719 static int psp_get_fw_type(struct amdgpu_firmware_info *ucode,
1720 			   enum psp_gfx_fw_type *type)
1721 {
1722 	switch (ucode->ucode_id) {
1723 	case AMDGPU_UCODE_ID_SDMA0:
1724 		*type = GFX_FW_TYPE_SDMA0;
1725 		break;
1726 	case AMDGPU_UCODE_ID_SDMA1:
1727 		*type = GFX_FW_TYPE_SDMA1;
1728 		break;
1729 	case AMDGPU_UCODE_ID_SDMA2:
1730 		*type = GFX_FW_TYPE_SDMA2;
1731 		break;
1732 	case AMDGPU_UCODE_ID_SDMA3:
1733 		*type = GFX_FW_TYPE_SDMA3;
1734 		break;
1735 	case AMDGPU_UCODE_ID_SDMA4:
1736 		*type = GFX_FW_TYPE_SDMA4;
1737 		break;
1738 	case AMDGPU_UCODE_ID_SDMA5:
1739 		*type = GFX_FW_TYPE_SDMA5;
1740 		break;
1741 	case AMDGPU_UCODE_ID_SDMA6:
1742 		*type = GFX_FW_TYPE_SDMA6;
1743 		break;
1744 	case AMDGPU_UCODE_ID_SDMA7:
1745 		*type = GFX_FW_TYPE_SDMA7;
1746 		break;
1747 	case AMDGPU_UCODE_ID_CP_MES:
1748 		*type = GFX_FW_TYPE_CP_MES;
1749 		break;
1750 	case AMDGPU_UCODE_ID_CP_MES_DATA:
1751 		*type = GFX_FW_TYPE_MES_STACK;
1752 		break;
1753 	case AMDGPU_UCODE_ID_CP_CE:
1754 		*type = GFX_FW_TYPE_CP_CE;
1755 		break;
1756 	case AMDGPU_UCODE_ID_CP_PFP:
1757 		*type = GFX_FW_TYPE_CP_PFP;
1758 		break;
1759 	case AMDGPU_UCODE_ID_CP_ME:
1760 		*type = GFX_FW_TYPE_CP_ME;
1761 		break;
1762 	case AMDGPU_UCODE_ID_CP_MEC1:
1763 		*type = GFX_FW_TYPE_CP_MEC;
1764 		break;
1765 	case AMDGPU_UCODE_ID_CP_MEC1_JT:
1766 		*type = GFX_FW_TYPE_CP_MEC_ME1;
1767 		break;
1768 	case AMDGPU_UCODE_ID_CP_MEC2:
1769 		*type = GFX_FW_TYPE_CP_MEC;
1770 		break;
1771 	case AMDGPU_UCODE_ID_CP_MEC2_JT:
1772 		*type = GFX_FW_TYPE_CP_MEC_ME2;
1773 		break;
1774 	case AMDGPU_UCODE_ID_RLC_G:
1775 		*type = GFX_FW_TYPE_RLC_G;
1776 		break;
1777 	case AMDGPU_UCODE_ID_RLC_RESTORE_LIST_CNTL:
1778 		*type = GFX_FW_TYPE_RLC_RESTORE_LIST_SRM_CNTL;
1779 		break;
1780 	case AMDGPU_UCODE_ID_RLC_RESTORE_LIST_GPM_MEM:
1781 		*type = GFX_FW_TYPE_RLC_RESTORE_LIST_GPM_MEM;
1782 		break;
1783 	case AMDGPU_UCODE_ID_RLC_RESTORE_LIST_SRM_MEM:
1784 		*type = GFX_FW_TYPE_RLC_RESTORE_LIST_SRM_MEM;
1785 		break;
1786 	case AMDGPU_UCODE_ID_RLC_IRAM:
1787 		*type = GFX_FW_TYPE_RLC_IRAM;
1788 		break;
1789 	case AMDGPU_UCODE_ID_RLC_DRAM:
1790 		*type = GFX_FW_TYPE_RLC_DRAM_BOOT;
1791 		break;
1792 	case AMDGPU_UCODE_ID_SMC:
1793 		*type = GFX_FW_TYPE_SMU;
1794 		break;
1795 	case AMDGPU_UCODE_ID_UVD:
1796 		*type = GFX_FW_TYPE_UVD;
1797 		break;
1798 	case AMDGPU_UCODE_ID_UVD1:
1799 		*type = GFX_FW_TYPE_UVD1;
1800 		break;
1801 	case AMDGPU_UCODE_ID_VCE:
1802 		*type = GFX_FW_TYPE_VCE;
1803 		break;
1804 	case AMDGPU_UCODE_ID_VCN:
1805 		*type = GFX_FW_TYPE_VCN;
1806 		break;
1807 	case AMDGPU_UCODE_ID_VCN1:
1808 		*type = GFX_FW_TYPE_VCN1;
1809 		break;
1810 	case AMDGPU_UCODE_ID_DMCU_ERAM:
1811 		*type = GFX_FW_TYPE_DMCU_ERAM;
1812 		break;
1813 	case AMDGPU_UCODE_ID_DMCU_INTV:
1814 		*type = GFX_FW_TYPE_DMCU_ISR;
1815 		break;
1816 	case AMDGPU_UCODE_ID_VCN0_RAM:
1817 		*type = GFX_FW_TYPE_VCN0_RAM;
1818 		break;
1819 	case AMDGPU_UCODE_ID_VCN1_RAM:
1820 		*type = GFX_FW_TYPE_VCN1_RAM;
1821 		break;
1822 	case AMDGPU_UCODE_ID_DMCUB:
1823 		*type = GFX_FW_TYPE_DMUB;
1824 		break;
1825 	case AMDGPU_UCODE_ID_MAXIMUM:
1826 	default:
1827 		return -EINVAL;
1828 	}
1829 
1830 	return 0;
1831 }
1832 
1833 static void psp_print_fw_hdr(struct psp_context *psp,
1834 			     struct amdgpu_firmware_info *ucode)
1835 {
1836 	struct amdgpu_device *adev = psp->adev;
1837 	struct common_firmware_header *hdr;
1838 
1839 	switch (ucode->ucode_id) {
1840 	case AMDGPU_UCODE_ID_SDMA0:
1841 	case AMDGPU_UCODE_ID_SDMA1:
1842 	case AMDGPU_UCODE_ID_SDMA2:
1843 	case AMDGPU_UCODE_ID_SDMA3:
1844 	case AMDGPU_UCODE_ID_SDMA4:
1845 	case AMDGPU_UCODE_ID_SDMA5:
1846 	case AMDGPU_UCODE_ID_SDMA6:
1847 	case AMDGPU_UCODE_ID_SDMA7:
1848 		hdr = (struct common_firmware_header *)
1849 			adev->sdma.instance[ucode->ucode_id - AMDGPU_UCODE_ID_SDMA0].fw->data;
1850 		amdgpu_ucode_print_sdma_hdr(hdr);
1851 		break;
1852 	case AMDGPU_UCODE_ID_CP_CE:
1853 		hdr = (struct common_firmware_header *)adev->gfx.ce_fw->data;
1854 		amdgpu_ucode_print_gfx_hdr(hdr);
1855 		break;
1856 	case AMDGPU_UCODE_ID_CP_PFP:
1857 		hdr = (struct common_firmware_header *)adev->gfx.pfp_fw->data;
1858 		amdgpu_ucode_print_gfx_hdr(hdr);
1859 		break;
1860 	case AMDGPU_UCODE_ID_CP_ME:
1861 		hdr = (struct common_firmware_header *)adev->gfx.me_fw->data;
1862 		amdgpu_ucode_print_gfx_hdr(hdr);
1863 		break;
1864 	case AMDGPU_UCODE_ID_CP_MEC1:
1865 		hdr = (struct common_firmware_header *)adev->gfx.mec_fw->data;
1866 		amdgpu_ucode_print_gfx_hdr(hdr);
1867 		break;
1868 	case AMDGPU_UCODE_ID_RLC_G:
1869 		hdr = (struct common_firmware_header *)adev->gfx.rlc_fw->data;
1870 		amdgpu_ucode_print_rlc_hdr(hdr);
1871 		break;
1872 	case AMDGPU_UCODE_ID_SMC:
1873 		hdr = (struct common_firmware_header *)adev->pm.fw->data;
1874 		amdgpu_ucode_print_smc_hdr(hdr);
1875 		break;
1876 	default:
1877 		break;
1878 	}
1879 }
1880 
1881 static int psp_prep_load_ip_fw_cmd_buf(struct amdgpu_firmware_info *ucode,
1882 				       struct psp_gfx_cmd_resp *cmd)
1883 {
1884 	int ret;
1885 	uint64_t fw_mem_mc_addr = ucode->mc_addr;
1886 
1887 	memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
1888 
1889 	cmd->cmd_id = GFX_CMD_ID_LOAD_IP_FW;
1890 	cmd->cmd.cmd_load_ip_fw.fw_phy_addr_lo = lower_32_bits(fw_mem_mc_addr);
1891 	cmd->cmd.cmd_load_ip_fw.fw_phy_addr_hi = upper_32_bits(fw_mem_mc_addr);
1892 	cmd->cmd.cmd_load_ip_fw.fw_size = ucode->ucode_size;
1893 
1894 	ret = psp_get_fw_type(ucode, &cmd->cmd.cmd_load_ip_fw.fw_type);
1895 	if (ret)
1896 		DRM_ERROR("Unknown firmware type\n");
1897 
1898 	return ret;
1899 }
1900 
1901 static int psp_execute_np_fw_load(struct psp_context *psp,
1902 			          struct amdgpu_firmware_info *ucode)
1903 {
1904 	int ret = 0;
1905 
1906 	ret = psp_prep_load_ip_fw_cmd_buf(ucode, psp->cmd);
1907 	if (ret)
1908 		return ret;
1909 
1910 	ret = psp_cmd_submit_buf(psp, ucode, psp->cmd,
1911 				 psp->fence_buf_mc_addr);
1912 
1913 	return ret;
1914 }
1915 
1916 static int psp_load_smu_fw(struct psp_context *psp)
1917 {
1918 	int ret;
1919 	struct amdgpu_device *adev = psp->adev;
1920 	struct amdgpu_firmware_info *ucode =
1921 			&adev->firmware.ucode[AMDGPU_UCODE_ID_SMC];
1922 	struct amdgpu_ras *ras = psp->ras.ras;
1923 
1924 	if (!ucode->fw || amdgpu_sriov_vf(psp->adev))
1925 		return 0;
1926 
1927 
1928 	if (amdgpu_in_reset(adev) && ras && ras->supported &&
1929 		adev->asic_type == CHIP_ARCTURUS) {
1930 		ret = amdgpu_dpm_set_mp1_state(adev, PP_MP1_STATE_UNLOAD);
1931 		if (ret) {
1932 			DRM_WARN("Failed to set MP1 state prepare for reload\n");
1933 		}
1934 	}
1935 
1936 	ret = psp_execute_np_fw_load(psp, ucode);
1937 
1938 	if (ret)
1939 		DRM_ERROR("PSP load smu failed!\n");
1940 
1941 	return ret;
1942 }
1943 
1944 static bool fw_load_skip_check(struct psp_context *psp,
1945 			       struct amdgpu_firmware_info *ucode)
1946 {
1947 	if (!ucode->fw)
1948 		return true;
1949 
1950 	if (ucode->ucode_id == AMDGPU_UCODE_ID_SMC &&
1951 	    (psp_smu_reload_quirk(psp) ||
1952 	     psp->autoload_supported ||
1953 	     psp->pmfw_centralized_cstate_management))
1954 		return true;
1955 
1956 	if (amdgpu_sriov_vf(psp->adev) &&
1957 	   (ucode->ucode_id == AMDGPU_UCODE_ID_SDMA0
1958 	    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA1
1959 	    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA2
1960 	    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA3
1961 	    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA4
1962 	    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA5
1963 	    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA6
1964 	    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA7
1965 	    || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_G
1966 	    || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_CNTL
1967 	    || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_GPM_MEM
1968 	    || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_SRM_MEM
1969 	    || ucode->ucode_id == AMDGPU_UCODE_ID_SMC))
1970 		/*skip ucode loading in SRIOV VF */
1971 		return true;
1972 
1973 	if (psp->autoload_supported &&
1974 	    (ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC1_JT ||
1975 	     ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC2_JT))
1976 		/* skip mec JT when autoload is enabled */
1977 		return true;
1978 
1979 	return false;
1980 }
1981 
1982 static int psp_np_fw_load(struct psp_context *psp)
1983 {
1984 	int i, ret;
1985 	struct amdgpu_firmware_info *ucode;
1986 	struct amdgpu_device *adev = psp->adev;
1987 
1988 	if (psp->autoload_supported &&
1989 	    !psp->pmfw_centralized_cstate_management) {
1990 		ret = psp_load_smu_fw(psp);
1991 		if (ret)
1992 			return ret;
1993 	}
1994 
1995 	for (i = 0; i < adev->firmware.max_ucodes; i++) {
1996 		ucode = &adev->firmware.ucode[i];
1997 
1998 		if (ucode->ucode_id == AMDGPU_UCODE_ID_SMC &&
1999 		    !fw_load_skip_check(psp, ucode)) {
2000 			ret = psp_load_smu_fw(psp);
2001 			if (ret)
2002 				return ret;
2003 			continue;
2004 		}
2005 
2006 		if (fw_load_skip_check(psp, ucode))
2007 			continue;
2008 
2009 		if (psp->autoload_supported &&
2010 		    (adev->asic_type >= CHIP_SIENNA_CICHLID &&
2011 		     adev->asic_type <= CHIP_DIMGREY_CAVEFISH) &&
2012 		    (ucode->ucode_id == AMDGPU_UCODE_ID_SDMA1 ||
2013 		     ucode->ucode_id == AMDGPU_UCODE_ID_SDMA2 ||
2014 		     ucode->ucode_id == AMDGPU_UCODE_ID_SDMA3))
2015 			/* PSP only receive one SDMA fw for sienna_cichlid,
2016 			 * as all four sdma fw are same */
2017 			continue;
2018 
2019 		psp_print_fw_hdr(psp, ucode);
2020 
2021 		ret = psp_execute_np_fw_load(psp, ucode);
2022 		if (ret)
2023 			return ret;
2024 
2025 		/* Start rlc autoload after psp recieved all the gfx firmware */
2026 		if (psp->autoload_supported && ucode->ucode_id == (amdgpu_sriov_vf(adev) ?
2027 		    AMDGPU_UCODE_ID_CP_MEC2 : AMDGPU_UCODE_ID_RLC_G)) {
2028 			ret = psp_rlc_autoload_start(psp);
2029 			if (ret) {
2030 				DRM_ERROR("Failed to start rlc autoload\n");
2031 				return ret;
2032 			}
2033 		}
2034 	}
2035 
2036 	return 0;
2037 }
2038 
2039 static int psp_load_fw(struct amdgpu_device *adev)
2040 {
2041 	int ret;
2042 	struct psp_context *psp = &adev->psp;
2043 
2044 	if (amdgpu_sriov_vf(adev) && amdgpu_in_reset(adev)) {
2045 		psp_ring_stop(psp, PSP_RING_TYPE__KM); /* should not destroy ring, only stop */
2046 		goto skip_memalloc;
2047 	}
2048 
2049 	psp->cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
2050 	if (!psp->cmd)
2051 		return -ENOMEM;
2052 
2053 	ret = amdgpu_bo_create_kernel(adev, PSP_1_MEG, PSP_1_MEG,
2054 					AMDGPU_GEM_DOMAIN_GTT,
2055 					&psp->fw_pri_bo,
2056 					&psp->fw_pri_mc_addr,
2057 					&psp->fw_pri_buf);
2058 	if (ret)
2059 		goto failed;
2060 
2061 	ret = amdgpu_bo_create_kernel(adev, PSP_FENCE_BUFFER_SIZE, PAGE_SIZE,
2062 					AMDGPU_GEM_DOMAIN_VRAM,
2063 					&psp->fence_buf_bo,
2064 					&psp->fence_buf_mc_addr,
2065 					&psp->fence_buf);
2066 	if (ret)
2067 		goto failed;
2068 
2069 	ret = amdgpu_bo_create_kernel(adev, PSP_CMD_BUFFER_SIZE, PAGE_SIZE,
2070 				      AMDGPU_GEM_DOMAIN_VRAM,
2071 				      &psp->cmd_buf_bo, &psp->cmd_buf_mc_addr,
2072 				      (void **)&psp->cmd_buf_mem);
2073 	if (ret)
2074 		goto failed;
2075 
2076 	memset(psp->fence_buf, 0, PSP_FENCE_BUFFER_SIZE);
2077 
2078 	ret = psp_ring_init(psp, PSP_RING_TYPE__KM);
2079 	if (ret) {
2080 		DRM_ERROR("PSP ring init failed!\n");
2081 		goto failed;
2082 	}
2083 
2084 skip_memalloc:
2085 	ret = psp_hw_start(psp);
2086 	if (ret)
2087 		goto failed;
2088 
2089 	ret = psp_np_fw_load(psp);
2090 	if (ret)
2091 		goto failed;
2092 
2093 	ret = psp_asd_load(psp);
2094 	if (ret) {
2095 		DRM_ERROR("PSP load asd failed!\n");
2096 		return ret;
2097 	}
2098 
2099 	if (psp->adev->psp.ta_fw) {
2100 		ret = psp_ras_initialize(psp);
2101 		if (ret)
2102 			dev_err(psp->adev->dev,
2103 					"RAS: Failed to initialize RAS\n");
2104 
2105 		ret = psp_hdcp_initialize(psp);
2106 		if (ret)
2107 			dev_err(psp->adev->dev,
2108 				"HDCP: Failed to initialize HDCP\n");
2109 
2110 		ret = psp_dtm_initialize(psp);
2111 		if (ret)
2112 			dev_err(psp->adev->dev,
2113 				"DTM: Failed to initialize DTM\n");
2114 
2115 		ret = psp_rap_initialize(psp);
2116 		if (ret)
2117 			dev_err(psp->adev->dev,
2118 				"RAP: Failed to initialize RAP\n");
2119 	}
2120 
2121 	return 0;
2122 
2123 failed:
2124 	/*
2125 	 * all cleanup jobs (xgmi terminate, ras terminate,
2126 	 * ring destroy, cmd/fence/fw buffers destory,
2127 	 * psp->cmd destory) are delayed to psp_hw_fini
2128 	 */
2129 	return ret;
2130 }
2131 
2132 static int psp_hw_init(void *handle)
2133 {
2134 	int ret;
2135 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2136 
2137 	mutex_lock(&adev->firmware.mutex);
2138 	/*
2139 	 * This sequence is just used on hw_init only once, no need on
2140 	 * resume.
2141 	 */
2142 	ret = amdgpu_ucode_init_bo(adev);
2143 	if (ret)
2144 		goto failed;
2145 
2146 	ret = psp_load_fw(adev);
2147 	if (ret) {
2148 		DRM_ERROR("PSP firmware loading failed\n");
2149 		goto failed;
2150 	}
2151 
2152 	mutex_unlock(&adev->firmware.mutex);
2153 	return 0;
2154 
2155 failed:
2156 	adev->firmware.load_type = AMDGPU_FW_LOAD_DIRECT;
2157 	mutex_unlock(&adev->firmware.mutex);
2158 	return -EINVAL;
2159 }
2160 
2161 static int psp_hw_fini(void *handle)
2162 {
2163 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2164 	struct psp_context *psp = &adev->psp;
2165 	int ret;
2166 
2167 	if (psp->adev->psp.ta_fw) {
2168 		psp_ras_terminate(psp);
2169 		psp_rap_terminate(psp);
2170 		psp_dtm_terminate(psp);
2171 		psp_hdcp_terminate(psp);
2172 	}
2173 
2174 	psp_asd_unload(psp);
2175 	ret = psp_clear_vf_fw(psp);
2176 	if (ret) {
2177 		DRM_ERROR("PSP clear vf fw!\n");
2178 		return ret;
2179 	}
2180 
2181 	psp_tmr_terminate(psp);
2182 	psp_ring_destroy(psp, PSP_RING_TYPE__KM);
2183 
2184 	amdgpu_bo_free_kernel(&psp->fw_pri_bo,
2185 			      &psp->fw_pri_mc_addr, &psp->fw_pri_buf);
2186 	amdgpu_bo_free_kernel(&psp->fence_buf_bo,
2187 			      &psp->fence_buf_mc_addr, &psp->fence_buf);
2188 	amdgpu_bo_free_kernel(&psp->cmd_buf_bo, &psp->cmd_buf_mc_addr,
2189 			      (void **)&psp->cmd_buf_mem);
2190 
2191 	kfree(psp->cmd);
2192 	psp->cmd = NULL;
2193 
2194 	return 0;
2195 }
2196 
2197 static int psp_suspend(void *handle)
2198 {
2199 	int ret;
2200 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2201 	struct psp_context *psp = &adev->psp;
2202 
2203 	if (adev->gmc.xgmi.num_physical_nodes > 1 &&
2204 	    psp->xgmi_context.initialized == 1) {
2205 		ret = psp_xgmi_terminate(psp);
2206 		if (ret) {
2207 			DRM_ERROR("Failed to terminate xgmi ta\n");
2208 			return ret;
2209 		}
2210 	}
2211 
2212 	if (psp->adev->psp.ta_fw) {
2213 		ret = psp_ras_terminate(psp);
2214 		if (ret) {
2215 			DRM_ERROR("Failed to terminate ras ta\n");
2216 			return ret;
2217 		}
2218 		ret = psp_hdcp_terminate(psp);
2219 		if (ret) {
2220 			DRM_ERROR("Failed to terminate hdcp ta\n");
2221 			return ret;
2222 		}
2223 		ret = psp_dtm_terminate(psp);
2224 		if (ret) {
2225 			DRM_ERROR("Failed to terminate dtm ta\n");
2226 			return ret;
2227 		}
2228 		ret = psp_rap_terminate(psp);
2229 		if (ret) {
2230 			DRM_ERROR("Failed to terminate rap ta\n");
2231 			return ret;
2232 		}
2233 	}
2234 
2235 	ret = psp_asd_unload(psp);
2236 	if (ret) {
2237 		DRM_ERROR("Failed to unload asd\n");
2238 		return ret;
2239 	}
2240 
2241 	ret = psp_tmr_terminate(psp);
2242 	if (ret) {
2243 		DRM_ERROR("Failed to terminate tmr\n");
2244 		return ret;
2245 	}
2246 
2247 	ret = psp_ring_stop(psp, PSP_RING_TYPE__KM);
2248 	if (ret) {
2249 		DRM_ERROR("PSP ring stop failed\n");
2250 		return ret;
2251 	}
2252 
2253 	return 0;
2254 }
2255 
2256 static int psp_resume(void *handle)
2257 {
2258 	int ret;
2259 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2260 	struct psp_context *psp = &adev->psp;
2261 
2262 	DRM_INFO("PSP is resuming...\n");
2263 
2264 	ret = psp_mem_training(psp, PSP_MEM_TRAIN_RESUME);
2265 	if (ret) {
2266 		DRM_ERROR("Failed to process memory training!\n");
2267 		return ret;
2268 	}
2269 
2270 	mutex_lock(&adev->firmware.mutex);
2271 
2272 	ret = psp_hw_start(psp);
2273 	if (ret)
2274 		goto failed;
2275 
2276 	ret = psp_np_fw_load(psp);
2277 	if (ret)
2278 		goto failed;
2279 
2280 	ret = psp_asd_load(psp);
2281 	if (ret) {
2282 		DRM_ERROR("PSP load asd failed!\n");
2283 		goto failed;
2284 	}
2285 
2286 	if (adev->gmc.xgmi.num_physical_nodes > 1) {
2287 		ret = psp_xgmi_initialize(psp);
2288 		/* Warning the XGMI seesion initialize failure
2289 		 * Instead of stop driver initialization
2290 		 */
2291 		if (ret)
2292 			dev_err(psp->adev->dev,
2293 				"XGMI: Failed to initialize XGMI session\n");
2294 	}
2295 
2296 	if (psp->adev->psp.ta_fw) {
2297 		ret = psp_ras_initialize(psp);
2298 		if (ret)
2299 			dev_err(psp->adev->dev,
2300 					"RAS: Failed to initialize RAS\n");
2301 
2302 		ret = psp_hdcp_initialize(psp);
2303 		if (ret)
2304 			dev_err(psp->adev->dev,
2305 				"HDCP: Failed to initialize HDCP\n");
2306 
2307 		ret = psp_dtm_initialize(psp);
2308 		if (ret)
2309 			dev_err(psp->adev->dev,
2310 				"DTM: Failed to initialize DTM\n");
2311 
2312 		ret = psp_rap_initialize(psp);
2313 		if (ret)
2314 			dev_err(psp->adev->dev,
2315 				"RAP: Failed to initialize RAP\n");
2316 	}
2317 
2318 	mutex_unlock(&adev->firmware.mutex);
2319 
2320 	return 0;
2321 
2322 failed:
2323 	DRM_ERROR("PSP resume failed\n");
2324 	mutex_unlock(&adev->firmware.mutex);
2325 	return ret;
2326 }
2327 
2328 int psp_gpu_reset(struct amdgpu_device *adev)
2329 {
2330 	int ret;
2331 
2332 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
2333 		return 0;
2334 
2335 	mutex_lock(&adev->psp.mutex);
2336 	ret = psp_mode1_reset(&adev->psp);
2337 	mutex_unlock(&adev->psp.mutex);
2338 
2339 	return ret;
2340 }
2341 
2342 int psp_rlc_autoload_start(struct psp_context *psp)
2343 {
2344 	int ret;
2345 	struct psp_gfx_cmd_resp *cmd;
2346 
2347 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
2348 	if (!cmd)
2349 		return -ENOMEM;
2350 
2351 	cmd->cmd_id = GFX_CMD_ID_AUTOLOAD_RLC;
2352 
2353 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
2354 				 psp->fence_buf_mc_addr);
2355 	kfree(cmd);
2356 	return ret;
2357 }
2358 
2359 int psp_update_vcn_sram(struct amdgpu_device *adev, int inst_idx,
2360 			uint64_t cmd_gpu_addr, int cmd_size)
2361 {
2362 	struct amdgpu_firmware_info ucode = {0};
2363 
2364 	ucode.ucode_id = inst_idx ? AMDGPU_UCODE_ID_VCN1_RAM :
2365 		AMDGPU_UCODE_ID_VCN0_RAM;
2366 	ucode.mc_addr = cmd_gpu_addr;
2367 	ucode.ucode_size = cmd_size;
2368 
2369 	return psp_execute_np_fw_load(&adev->psp, &ucode);
2370 }
2371 
2372 int psp_ring_cmd_submit(struct psp_context *psp,
2373 			uint64_t cmd_buf_mc_addr,
2374 			uint64_t fence_mc_addr,
2375 			int index)
2376 {
2377 	unsigned int psp_write_ptr_reg = 0;
2378 	struct psp_gfx_rb_frame *write_frame;
2379 	struct psp_ring *ring = &psp->km_ring;
2380 	struct psp_gfx_rb_frame *ring_buffer_start = ring->ring_mem;
2381 	struct psp_gfx_rb_frame *ring_buffer_end = ring_buffer_start +
2382 		ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1;
2383 	struct amdgpu_device *adev = psp->adev;
2384 	uint32_t ring_size_dw = ring->ring_size / 4;
2385 	uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4;
2386 
2387 	/* KM (GPCOM) prepare write pointer */
2388 	psp_write_ptr_reg = psp_ring_get_wptr(psp);
2389 
2390 	/* Update KM RB frame pointer to new frame */
2391 	/* write_frame ptr increments by size of rb_frame in bytes */
2392 	/* psp_write_ptr_reg increments by size of rb_frame in DWORDs */
2393 	if ((psp_write_ptr_reg % ring_size_dw) == 0)
2394 		write_frame = ring_buffer_start;
2395 	else
2396 		write_frame = ring_buffer_start + (psp_write_ptr_reg / rb_frame_size_dw);
2397 	/* Check invalid write_frame ptr address */
2398 	if ((write_frame < ring_buffer_start) || (ring_buffer_end < write_frame)) {
2399 		DRM_ERROR("ring_buffer_start = %p; ring_buffer_end = %p; write_frame = %p\n",
2400 			  ring_buffer_start, ring_buffer_end, write_frame);
2401 		DRM_ERROR("write_frame is pointing to address out of bounds\n");
2402 		return -EINVAL;
2403 	}
2404 
2405 	/* Initialize KM RB frame */
2406 	memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame));
2407 
2408 	/* Update KM RB frame */
2409 	write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr);
2410 	write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr);
2411 	write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
2412 	write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
2413 	write_frame->fence_value = index;
2414 	amdgpu_asic_flush_hdp(adev, NULL);
2415 
2416 	/* Update the write Pointer in DWORDs */
2417 	psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;
2418 	psp_ring_set_wptr(psp, psp_write_ptr_reg);
2419 	return 0;
2420 }
2421 
2422 int psp_init_asd_microcode(struct psp_context *psp,
2423 			   const char *chip_name)
2424 {
2425 	struct amdgpu_device *adev = psp->adev;
2426 	char fw_name[PSP_FW_NAME_LEN];
2427 	const struct psp_firmware_header_v1_0 *asd_hdr;
2428 	int err = 0;
2429 
2430 	if (!chip_name) {
2431 		dev_err(adev->dev, "invalid chip name for asd microcode\n");
2432 		return -EINVAL;
2433 	}
2434 
2435 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
2436 	err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
2437 	if (err)
2438 		goto out;
2439 
2440 	err = amdgpu_ucode_validate(adev->psp.asd_fw);
2441 	if (err)
2442 		goto out;
2443 
2444 	asd_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
2445 	adev->psp.asd_fw_version = le32_to_cpu(asd_hdr->header.ucode_version);
2446 	adev->psp.asd_feature_version = le32_to_cpu(asd_hdr->ucode_feature_version);
2447 	adev->psp.asd_ucode_size = le32_to_cpu(asd_hdr->header.ucode_size_bytes);
2448 	adev->psp.asd_start_addr = (uint8_t *)asd_hdr +
2449 				le32_to_cpu(asd_hdr->header.ucode_array_offset_bytes);
2450 	return 0;
2451 out:
2452 	dev_err(adev->dev, "fail to initialize asd microcode\n");
2453 	release_firmware(adev->psp.asd_fw);
2454 	adev->psp.asd_fw = NULL;
2455 	return err;
2456 }
2457 
2458 int psp_init_toc_microcode(struct psp_context *psp,
2459 			   const char *chip_name)
2460 {
2461 	struct amdgpu_device *adev = psp->adev;
2462 	char fw_name[30];
2463 	const struct psp_firmware_header_v1_0 *toc_hdr;
2464 	int err = 0;
2465 
2466 	if (!chip_name) {
2467 		dev_err(adev->dev, "invalid chip name for toc microcode\n");
2468 		return -EINVAL;
2469 	}
2470 
2471 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_toc.bin", chip_name);
2472 	err = request_firmware(&adev->psp.toc_fw, fw_name, adev->dev);
2473 	if (err)
2474 		goto out;
2475 
2476 	err = amdgpu_ucode_validate(adev->psp.toc_fw);
2477 	if (err)
2478 		goto out;
2479 
2480 	toc_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.toc_fw->data;
2481 	adev->psp.toc_fw_version = le32_to_cpu(toc_hdr->header.ucode_version);
2482 	adev->psp.toc_feature_version = le32_to_cpu(toc_hdr->ucode_feature_version);
2483 	adev->psp.toc_bin_size = le32_to_cpu(toc_hdr->header.ucode_size_bytes);
2484 	adev->psp.toc_start_addr = (uint8_t *)toc_hdr +
2485 				le32_to_cpu(toc_hdr->header.ucode_array_offset_bytes);
2486 	return 0;
2487 out:
2488 	dev_err(adev->dev, "fail to request/validate toc microcode\n");
2489 	release_firmware(adev->psp.toc_fw);
2490 	adev->psp.toc_fw = NULL;
2491 	return err;
2492 }
2493 
2494 int psp_init_sos_microcode(struct psp_context *psp,
2495 			   const char *chip_name)
2496 {
2497 	struct amdgpu_device *adev = psp->adev;
2498 	char fw_name[PSP_FW_NAME_LEN];
2499 	const struct psp_firmware_header_v1_0 *sos_hdr;
2500 	const struct psp_firmware_header_v1_1 *sos_hdr_v1_1;
2501 	const struct psp_firmware_header_v1_2 *sos_hdr_v1_2;
2502 	const struct psp_firmware_header_v1_3 *sos_hdr_v1_3;
2503 	int err = 0;
2504 
2505 	if (!chip_name) {
2506 		dev_err(adev->dev, "invalid chip name for sos microcode\n");
2507 		return -EINVAL;
2508 	}
2509 
2510 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sos.bin", chip_name);
2511 	err = request_firmware(&adev->psp.sos_fw, fw_name, adev->dev);
2512 	if (err)
2513 		goto out;
2514 
2515 	err = amdgpu_ucode_validate(adev->psp.sos_fw);
2516 	if (err)
2517 		goto out;
2518 
2519 	sos_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.sos_fw->data;
2520 	amdgpu_ucode_print_psp_hdr(&sos_hdr->header);
2521 
2522 	switch (sos_hdr->header.header_version_major) {
2523 	case 1:
2524 		adev->psp.sos_fw_version = le32_to_cpu(sos_hdr->header.ucode_version);
2525 		adev->psp.sos_feature_version = le32_to_cpu(sos_hdr->ucode_feature_version);
2526 		adev->psp.sos_bin_size = le32_to_cpu(sos_hdr->sos_size_bytes);
2527 		adev->psp.sys_bin_size = le32_to_cpu(sos_hdr->sos_offset_bytes);
2528 		adev->psp.sys_start_addr = (uint8_t *)sos_hdr +
2529 				le32_to_cpu(sos_hdr->header.ucode_array_offset_bytes);
2530 		adev->psp.sos_start_addr = (uint8_t *)adev->psp.sys_start_addr +
2531 				le32_to_cpu(sos_hdr->sos_offset_bytes);
2532 		if (sos_hdr->header.header_version_minor == 1) {
2533 			sos_hdr_v1_1 = (const struct psp_firmware_header_v1_1 *)adev->psp.sos_fw->data;
2534 			adev->psp.toc_bin_size = le32_to_cpu(sos_hdr_v1_1->toc_size_bytes);
2535 			adev->psp.toc_start_addr = (uint8_t *)adev->psp.sys_start_addr +
2536 					le32_to_cpu(sos_hdr_v1_1->toc_offset_bytes);
2537 			adev->psp.kdb_bin_size = le32_to_cpu(sos_hdr_v1_1->kdb_size_bytes);
2538 			adev->psp.kdb_start_addr = (uint8_t *)adev->psp.sys_start_addr +
2539 					le32_to_cpu(sos_hdr_v1_1->kdb_offset_bytes);
2540 		}
2541 		if (sos_hdr->header.header_version_minor == 2) {
2542 			sos_hdr_v1_2 = (const struct psp_firmware_header_v1_2 *)adev->psp.sos_fw->data;
2543 			adev->psp.kdb_bin_size = le32_to_cpu(sos_hdr_v1_2->kdb_size_bytes);
2544 			adev->psp.kdb_start_addr = (uint8_t *)adev->psp.sys_start_addr +
2545 						    le32_to_cpu(sos_hdr_v1_2->kdb_offset_bytes);
2546 		}
2547 		if (sos_hdr->header.header_version_minor == 3) {
2548 			sos_hdr_v1_3 = (const struct psp_firmware_header_v1_3 *)adev->psp.sos_fw->data;
2549 			adev->psp.toc_bin_size = le32_to_cpu(sos_hdr_v1_3->v1_1.toc_size_bytes);
2550 			adev->psp.toc_start_addr = (uint8_t *)adev->psp.sys_start_addr +
2551 				le32_to_cpu(sos_hdr_v1_3->v1_1.toc_offset_bytes);
2552 			adev->psp.kdb_bin_size = le32_to_cpu(sos_hdr_v1_3->v1_1.kdb_size_bytes);
2553 			adev->psp.kdb_start_addr = (uint8_t *)adev->psp.sys_start_addr +
2554 				le32_to_cpu(sos_hdr_v1_3->v1_1.kdb_offset_bytes);
2555 			adev->psp.spl_bin_size = le32_to_cpu(sos_hdr_v1_3->spl_size_bytes);
2556 			adev->psp.spl_start_addr = (uint8_t *)adev->psp.sys_start_addr +
2557 				le32_to_cpu(sos_hdr_v1_3->spl_offset_bytes);
2558 		}
2559 		break;
2560 	default:
2561 		dev_err(adev->dev,
2562 			"unsupported psp sos firmware\n");
2563 		err = -EINVAL;
2564 		goto out;
2565 	}
2566 
2567 	return 0;
2568 out:
2569 	dev_err(adev->dev,
2570 		"failed to init sos firmware\n");
2571 	release_firmware(adev->psp.sos_fw);
2572 	adev->psp.sos_fw = NULL;
2573 
2574 	return err;
2575 }
2576 
2577 static int parse_ta_bin_descriptor(struct psp_context *psp,
2578 				   const struct ta_fw_bin_desc *desc,
2579 				   const struct ta_firmware_header_v2_0 *ta_hdr)
2580 {
2581 	uint8_t *ucode_start_addr  = NULL;
2582 
2583 	if (!psp || !desc || !ta_hdr)
2584 		return -EINVAL;
2585 
2586 	ucode_start_addr  = (uint8_t *)ta_hdr +
2587 			    le32_to_cpu(desc->offset_bytes) +
2588 			    le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
2589 
2590 	switch (desc->fw_type) {
2591 	case TA_FW_TYPE_PSP_ASD:
2592 		psp->asd_fw_version	   = le32_to_cpu(desc->fw_version);
2593 		psp->asd_feature_version   = le32_to_cpu(desc->fw_version);
2594 		psp->asd_ucode_size	   = le32_to_cpu(desc->size_bytes);
2595 		psp->asd_start_addr 	   = ucode_start_addr;
2596 		psp->asd_fw                = psp->ta_fw;
2597 		break;
2598 	case TA_FW_TYPE_PSP_XGMI:
2599 		psp->ta_xgmi_ucode_version = le32_to_cpu(desc->fw_version);
2600 		psp->ta_xgmi_ucode_size    = le32_to_cpu(desc->size_bytes);
2601 		psp->ta_xgmi_start_addr    = ucode_start_addr;
2602 		break;
2603 	case TA_FW_TYPE_PSP_RAS:
2604 		psp->ta_ras_ucode_version  = le32_to_cpu(desc->fw_version);
2605 		psp->ta_ras_ucode_size     = le32_to_cpu(desc->size_bytes);
2606 		psp->ta_ras_start_addr     = ucode_start_addr;
2607 		break;
2608 	case TA_FW_TYPE_PSP_HDCP:
2609 		psp->ta_hdcp_ucode_version = le32_to_cpu(desc->fw_version);
2610 		psp->ta_hdcp_ucode_size    = le32_to_cpu(desc->size_bytes);
2611 		psp->ta_hdcp_start_addr    = ucode_start_addr;
2612 		break;
2613 	case TA_FW_TYPE_PSP_DTM:
2614 		psp->ta_dtm_ucode_version  = le32_to_cpu(desc->fw_version);
2615 		psp->ta_dtm_ucode_size     = le32_to_cpu(desc->size_bytes);
2616 		psp->ta_dtm_start_addr     = ucode_start_addr;
2617 		break;
2618 	case TA_FW_TYPE_PSP_RAP:
2619 		psp->ta_rap_ucode_version  = le32_to_cpu(desc->fw_version);
2620 		psp->ta_rap_ucode_size     = le32_to_cpu(desc->size_bytes);
2621 		psp->ta_rap_start_addr     = ucode_start_addr;
2622 		break;
2623 	default:
2624 		dev_warn(psp->adev->dev, "Unsupported TA type: %d\n", desc->fw_type);
2625 		break;
2626 	}
2627 
2628 	return 0;
2629 }
2630 
2631 int psp_init_ta_microcode(struct psp_context *psp,
2632 			  const char *chip_name)
2633 {
2634 	struct amdgpu_device *adev = psp->adev;
2635 	char fw_name[PSP_FW_NAME_LEN];
2636 	const struct ta_firmware_header_v2_0 *ta_hdr;
2637 	int err = 0;
2638 	int ta_index = 0;
2639 
2640 	if (!chip_name) {
2641 		dev_err(adev->dev, "invalid chip name for ta microcode\n");
2642 		return -EINVAL;
2643 	}
2644 
2645 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
2646 	err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
2647 	if (err)
2648 		goto out;
2649 
2650 	err = amdgpu_ucode_validate(adev->psp.ta_fw);
2651 	if (err)
2652 		goto out;
2653 
2654 	ta_hdr = (const struct ta_firmware_header_v2_0 *)adev->psp.ta_fw->data;
2655 
2656 	if (le16_to_cpu(ta_hdr->header.header_version_major) != 2) {
2657 		dev_err(adev->dev, "unsupported TA header version\n");
2658 		err = -EINVAL;
2659 		goto out;
2660 	}
2661 
2662 	if (le32_to_cpu(ta_hdr->ta_fw_bin_count) >= UCODE_MAX_TA_PACKAGING) {
2663 		dev_err(adev->dev, "packed TA count exceeds maximum limit\n");
2664 		err = -EINVAL;
2665 		goto out;
2666 	}
2667 
2668 	for (ta_index = 0; ta_index < le32_to_cpu(ta_hdr->ta_fw_bin_count); ta_index++) {
2669 		err = parse_ta_bin_descriptor(psp,
2670 					      &ta_hdr->ta_fw_bin[ta_index],
2671 					      ta_hdr);
2672 		if (err)
2673 			goto out;
2674 	}
2675 
2676 	return 0;
2677 out:
2678 	dev_err(adev->dev, "fail to initialize ta microcode\n");
2679 	release_firmware(adev->psp.ta_fw);
2680 	adev->psp.ta_fw = NULL;
2681 	return err;
2682 }
2683 
2684 static int psp_set_clockgating_state(void *handle,
2685 				     enum amd_clockgating_state state)
2686 {
2687 	return 0;
2688 }
2689 
2690 static int psp_set_powergating_state(void *handle,
2691 				     enum amd_powergating_state state)
2692 {
2693 	return 0;
2694 }
2695 
2696 static ssize_t psp_usbc_pd_fw_sysfs_read(struct device *dev,
2697 					 struct device_attribute *attr,
2698 					 char *buf)
2699 {
2700 	struct drm_device *ddev = dev_get_drvdata(dev);
2701 	struct amdgpu_device *adev = drm_to_adev(ddev);
2702 	uint32_t fw_ver;
2703 	int ret;
2704 
2705 	if (!adev->ip_blocks[AMD_IP_BLOCK_TYPE_PSP].status.late_initialized) {
2706 		DRM_INFO("PSP block is not ready yet.");
2707 		return -EBUSY;
2708 	}
2709 
2710 	mutex_lock(&adev->psp.mutex);
2711 	ret = psp_read_usbc_pd_fw(&adev->psp, &fw_ver);
2712 	mutex_unlock(&adev->psp.mutex);
2713 
2714 	if (ret) {
2715 		DRM_ERROR("Failed to read USBC PD FW, err = %d", ret);
2716 		return ret;
2717 	}
2718 
2719 	return snprintf(buf, PAGE_SIZE, "%x\n", fw_ver);
2720 }
2721 
2722 static ssize_t psp_usbc_pd_fw_sysfs_write(struct device *dev,
2723 						       struct device_attribute *attr,
2724 						       const char *buf,
2725 						       size_t count)
2726 {
2727 	struct drm_device *ddev = dev_get_drvdata(dev);
2728 	struct amdgpu_device *adev = drm_to_adev(ddev);
2729 	void *cpu_addr;
2730 	dma_addr_t dma_addr;
2731 	int ret;
2732 	char fw_name[100];
2733 	const struct firmware *usbc_pd_fw;
2734 
2735 	if (!adev->ip_blocks[AMD_IP_BLOCK_TYPE_PSP].status.late_initialized) {
2736 		DRM_INFO("PSP block is not ready yet.");
2737 		return -EBUSY;
2738 	}
2739 
2740 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s", buf);
2741 	ret = request_firmware(&usbc_pd_fw, fw_name, adev->dev);
2742 	if (ret)
2743 		goto fail;
2744 
2745 	/* We need contiguous physical mem to place the FW  for psp to access */
2746 	cpu_addr = dma_alloc_coherent(adev->dev, usbc_pd_fw->size, &dma_addr, GFP_KERNEL);
2747 
2748 	ret = dma_mapping_error(adev->dev, dma_addr);
2749 	if (ret)
2750 		goto rel_buf;
2751 
2752 	memcpy_toio(cpu_addr, usbc_pd_fw->data, usbc_pd_fw->size);
2753 
2754 	/*
2755 	 * x86 specific workaround.
2756 	 * Without it the buffer is invisible in PSP.
2757 	 *
2758 	 * TODO Remove once PSP starts snooping CPU cache
2759 	 */
2760 #ifdef CONFIG_X86
2761 	clflush_cache_range(cpu_addr, (usbc_pd_fw->size & ~(L1_CACHE_BYTES - 1)));
2762 #endif
2763 
2764 	mutex_lock(&adev->psp.mutex);
2765 	ret = psp_load_usbc_pd_fw(&adev->psp, dma_addr);
2766 	mutex_unlock(&adev->psp.mutex);
2767 
2768 rel_buf:
2769 	dma_free_coherent(adev->dev, usbc_pd_fw->size, cpu_addr, dma_addr);
2770 	release_firmware(usbc_pd_fw);
2771 
2772 fail:
2773 	if (ret) {
2774 		DRM_ERROR("Failed to load USBC PD FW, err = %d", ret);
2775 		return ret;
2776 	}
2777 
2778 	return count;
2779 }
2780 
2781 static DEVICE_ATTR(usbc_pd_fw, S_IRUGO | S_IWUSR,
2782 		   psp_usbc_pd_fw_sysfs_read,
2783 		   psp_usbc_pd_fw_sysfs_write);
2784 
2785 
2786 
2787 const struct amd_ip_funcs psp_ip_funcs = {
2788 	.name = "psp",
2789 	.early_init = psp_early_init,
2790 	.late_init = NULL,
2791 	.sw_init = psp_sw_init,
2792 	.sw_fini = psp_sw_fini,
2793 	.hw_init = psp_hw_init,
2794 	.hw_fini = psp_hw_fini,
2795 	.suspend = psp_suspend,
2796 	.resume = psp_resume,
2797 	.is_idle = NULL,
2798 	.check_soft_reset = NULL,
2799 	.wait_for_idle = NULL,
2800 	.soft_reset = NULL,
2801 	.set_clockgating_state = psp_set_clockgating_state,
2802 	.set_powergating_state = psp_set_powergating_state,
2803 };
2804 
2805 static int psp_sysfs_init(struct amdgpu_device *adev)
2806 {
2807 	int ret = device_create_file(adev->dev, &dev_attr_usbc_pd_fw);
2808 
2809 	if (ret)
2810 		DRM_ERROR("Failed to create USBC PD FW control file!");
2811 
2812 	return ret;
2813 }
2814 
2815 static void psp_sysfs_fini(struct amdgpu_device *adev)
2816 {
2817 	device_remove_file(adev->dev, &dev_attr_usbc_pd_fw);
2818 }
2819 
2820 const struct amdgpu_ip_block_version psp_v3_1_ip_block =
2821 {
2822 	.type = AMD_IP_BLOCK_TYPE_PSP,
2823 	.major = 3,
2824 	.minor = 1,
2825 	.rev = 0,
2826 	.funcs = &psp_ip_funcs,
2827 };
2828 
2829 const struct amdgpu_ip_block_version psp_v10_0_ip_block =
2830 {
2831 	.type = AMD_IP_BLOCK_TYPE_PSP,
2832 	.major = 10,
2833 	.minor = 0,
2834 	.rev = 0,
2835 	.funcs = &psp_ip_funcs,
2836 };
2837 
2838 const struct amdgpu_ip_block_version psp_v11_0_ip_block =
2839 {
2840 	.type = AMD_IP_BLOCK_TYPE_PSP,
2841 	.major = 11,
2842 	.minor = 0,
2843 	.rev = 0,
2844 	.funcs = &psp_ip_funcs,
2845 };
2846 
2847 const struct amdgpu_ip_block_version psp_v12_0_ip_block =
2848 {
2849 	.type = AMD_IP_BLOCK_TYPE_PSP,
2850 	.major = 12,
2851 	.minor = 0,
2852 	.rev = 0,
2853 	.funcs = &psp_ip_funcs,
2854 };
2855