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