1 /*
2  * Copyright 2014 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <linux/firmware.h>
25 #include <linux/slab.h>
26 #include <linux/module.h>
27 #include <drm/drmP.h>
28 #include "amdgpu.h"
29 #include "amdgpu_ucode.h"
30 
31 static void amdgpu_ucode_print_common_hdr(const struct common_firmware_header *hdr)
32 {
33 	DRM_DEBUG("size_bytes: %u\n", le32_to_cpu(hdr->size_bytes));
34 	DRM_DEBUG("header_size_bytes: %u\n", le32_to_cpu(hdr->header_size_bytes));
35 	DRM_DEBUG("header_version_major: %u\n", le16_to_cpu(hdr->header_version_major));
36 	DRM_DEBUG("header_version_minor: %u\n", le16_to_cpu(hdr->header_version_minor));
37 	DRM_DEBUG("ip_version_major: %u\n", le16_to_cpu(hdr->ip_version_major));
38 	DRM_DEBUG("ip_version_minor: %u\n", le16_to_cpu(hdr->ip_version_minor));
39 	DRM_DEBUG("ucode_version: 0x%08x\n", le32_to_cpu(hdr->ucode_version));
40 	DRM_DEBUG("ucode_size_bytes: %u\n", le32_to_cpu(hdr->ucode_size_bytes));
41 	DRM_DEBUG("ucode_array_offset_bytes: %u\n",
42 		  le32_to_cpu(hdr->ucode_array_offset_bytes));
43 	DRM_DEBUG("crc32: 0x%08x\n", le32_to_cpu(hdr->crc32));
44 }
45 
46 void amdgpu_ucode_print_mc_hdr(const struct common_firmware_header *hdr)
47 {
48 	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
49 	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);
50 
51 	DRM_DEBUG("MC\n");
52 	amdgpu_ucode_print_common_hdr(hdr);
53 
54 	if (version_major == 1) {
55 		const struct mc_firmware_header_v1_0 *mc_hdr =
56 			container_of(hdr, struct mc_firmware_header_v1_0, header);
57 
58 		DRM_DEBUG("io_debug_size_bytes: %u\n",
59 			  le32_to_cpu(mc_hdr->io_debug_size_bytes));
60 		DRM_DEBUG("io_debug_array_offset_bytes: %u\n",
61 			  le32_to_cpu(mc_hdr->io_debug_array_offset_bytes));
62 	} else {
63 		DRM_ERROR("Unknown MC ucode version: %u.%u\n", version_major, version_minor);
64 	}
65 }
66 
67 void amdgpu_ucode_print_smc_hdr(const struct common_firmware_header *hdr)
68 {
69 	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
70 	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);
71 
72 	DRM_DEBUG("SMC\n");
73 	amdgpu_ucode_print_common_hdr(hdr);
74 
75 	if (version_major == 1) {
76 		const struct smc_firmware_header_v1_0 *smc_hdr =
77 			container_of(hdr, struct smc_firmware_header_v1_0, header);
78 
79 		DRM_DEBUG("ucode_start_addr: %u\n", le32_to_cpu(smc_hdr->ucode_start_addr));
80 	} else {
81 		DRM_ERROR("Unknown SMC ucode version: %u.%u\n", version_major, version_minor);
82 	}
83 }
84 
85 void amdgpu_ucode_print_gfx_hdr(const struct common_firmware_header *hdr)
86 {
87 	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
88 	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);
89 
90 	DRM_DEBUG("GFX\n");
91 	amdgpu_ucode_print_common_hdr(hdr);
92 
93 	if (version_major == 1) {
94 		const struct gfx_firmware_header_v1_0 *gfx_hdr =
95 			container_of(hdr, struct gfx_firmware_header_v1_0, header);
96 
97 		DRM_DEBUG("ucode_feature_version: %u\n",
98 			  le32_to_cpu(gfx_hdr->ucode_feature_version));
99 		DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(gfx_hdr->jt_offset));
100 		DRM_DEBUG("jt_size: %u\n", le32_to_cpu(gfx_hdr->jt_size));
101 	} else {
102 		DRM_ERROR("Unknown GFX ucode version: %u.%u\n", version_major, version_minor);
103 	}
104 }
105 
106 void amdgpu_ucode_print_rlc_hdr(const struct common_firmware_header *hdr)
107 {
108 	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
109 	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);
110 
111 	DRM_DEBUG("RLC\n");
112 	amdgpu_ucode_print_common_hdr(hdr);
113 
114 	if (version_major == 1) {
115 		const struct rlc_firmware_header_v1_0 *rlc_hdr =
116 			container_of(hdr, struct rlc_firmware_header_v1_0, header);
117 
118 		DRM_DEBUG("ucode_feature_version: %u\n",
119 			  le32_to_cpu(rlc_hdr->ucode_feature_version));
120 		DRM_DEBUG("save_and_restore_offset: %u\n",
121 			  le32_to_cpu(rlc_hdr->save_and_restore_offset));
122 		DRM_DEBUG("clear_state_descriptor_offset: %u\n",
123 			  le32_to_cpu(rlc_hdr->clear_state_descriptor_offset));
124 		DRM_DEBUG("avail_scratch_ram_locations: %u\n",
125 			  le32_to_cpu(rlc_hdr->avail_scratch_ram_locations));
126 		DRM_DEBUG("master_pkt_description_offset: %u\n",
127 			  le32_to_cpu(rlc_hdr->master_pkt_description_offset));
128 	} else if (version_major == 2) {
129 		const struct rlc_firmware_header_v2_0 *rlc_hdr =
130 			container_of(hdr, struct rlc_firmware_header_v2_0, header);
131 
132 		DRM_DEBUG("ucode_feature_version: %u\n",
133 			  le32_to_cpu(rlc_hdr->ucode_feature_version));
134 		DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(rlc_hdr->jt_offset));
135 		DRM_DEBUG("jt_size: %u\n", le32_to_cpu(rlc_hdr->jt_size));
136 		DRM_DEBUG("save_and_restore_offset: %u\n",
137 			  le32_to_cpu(rlc_hdr->save_and_restore_offset));
138 		DRM_DEBUG("clear_state_descriptor_offset: %u\n",
139 			  le32_to_cpu(rlc_hdr->clear_state_descriptor_offset));
140 		DRM_DEBUG("avail_scratch_ram_locations: %u\n",
141 			  le32_to_cpu(rlc_hdr->avail_scratch_ram_locations));
142 		DRM_DEBUG("reg_restore_list_size: %u\n",
143 			  le32_to_cpu(rlc_hdr->reg_restore_list_size));
144 		DRM_DEBUG("reg_list_format_start: %u\n",
145 			  le32_to_cpu(rlc_hdr->reg_list_format_start));
146 		DRM_DEBUG("reg_list_format_separate_start: %u\n",
147 			  le32_to_cpu(rlc_hdr->reg_list_format_separate_start));
148 		DRM_DEBUG("starting_offsets_start: %u\n",
149 			  le32_to_cpu(rlc_hdr->starting_offsets_start));
150 		DRM_DEBUG("reg_list_format_size_bytes: %u\n",
151 			  le32_to_cpu(rlc_hdr->reg_list_format_size_bytes));
152 		DRM_DEBUG("reg_list_format_array_offset_bytes: %u\n",
153 			  le32_to_cpu(rlc_hdr->reg_list_format_array_offset_bytes));
154 		DRM_DEBUG("reg_list_size_bytes: %u\n",
155 			  le32_to_cpu(rlc_hdr->reg_list_size_bytes));
156 		DRM_DEBUG("reg_list_array_offset_bytes: %u\n",
157 			  le32_to_cpu(rlc_hdr->reg_list_array_offset_bytes));
158 		DRM_DEBUG("reg_list_format_separate_size_bytes: %u\n",
159 			  le32_to_cpu(rlc_hdr->reg_list_format_separate_size_bytes));
160 		DRM_DEBUG("reg_list_format_separate_array_offset_bytes: %u\n",
161 			  le32_to_cpu(rlc_hdr->reg_list_format_separate_array_offset_bytes));
162 		DRM_DEBUG("reg_list_separate_size_bytes: %u\n",
163 			  le32_to_cpu(rlc_hdr->reg_list_separate_size_bytes));
164 		DRM_DEBUG("reg_list_separate_size_bytes: %u\n",
165 			  le32_to_cpu(rlc_hdr->reg_list_separate_size_bytes));
166 	} else {
167 		DRM_ERROR("Unknown RLC ucode version: %u.%u\n", version_major, version_minor);
168 	}
169 }
170 
171 void amdgpu_ucode_print_sdma_hdr(const struct common_firmware_header *hdr)
172 {
173 	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
174 	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);
175 
176 	DRM_DEBUG("SDMA\n");
177 	amdgpu_ucode_print_common_hdr(hdr);
178 
179 	if (version_major == 1) {
180 		const struct sdma_firmware_header_v1_0 *sdma_hdr =
181 			container_of(hdr, struct sdma_firmware_header_v1_0, header);
182 
183 		DRM_DEBUG("ucode_feature_version: %u\n",
184 			  le32_to_cpu(sdma_hdr->ucode_feature_version));
185 		DRM_DEBUG("ucode_change_version: %u\n",
186 			  le32_to_cpu(sdma_hdr->ucode_change_version));
187 		DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(sdma_hdr->jt_offset));
188 		DRM_DEBUG("jt_size: %u\n", le32_to_cpu(sdma_hdr->jt_size));
189 		if (version_minor >= 1) {
190 			const struct sdma_firmware_header_v1_1 *sdma_v1_1_hdr =
191 				container_of(sdma_hdr, struct sdma_firmware_header_v1_1, v1_0);
192 			DRM_DEBUG("digest_size: %u\n", le32_to_cpu(sdma_v1_1_hdr->digest_size));
193 		}
194 	} else {
195 		DRM_ERROR("Unknown SDMA ucode version: %u.%u\n",
196 			  version_major, version_minor);
197 	}
198 }
199 
200 void amdgpu_ucode_print_gpu_info_hdr(const struct common_firmware_header *hdr)
201 {
202 	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
203 	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);
204 
205 	DRM_DEBUG("GPU_INFO\n");
206 	amdgpu_ucode_print_common_hdr(hdr);
207 
208 	if (version_major == 1) {
209 		const struct gpu_info_firmware_header_v1_0 *gpu_info_hdr =
210 			container_of(hdr, struct gpu_info_firmware_header_v1_0, header);
211 
212 		DRM_DEBUG("version_major: %u\n",
213 			  le16_to_cpu(gpu_info_hdr->version_major));
214 		DRM_DEBUG("version_minor: %u\n",
215 			  le16_to_cpu(gpu_info_hdr->version_minor));
216 	} else {
217 		DRM_ERROR("Unknown gpu_info ucode version: %u.%u\n", version_major, version_minor);
218 	}
219 }
220 
221 int amdgpu_ucode_validate(const struct firmware *fw)
222 {
223 	const struct common_firmware_header *hdr =
224 		(const struct common_firmware_header *)fw->data;
225 
226 	if (fw->size == le32_to_cpu(hdr->size_bytes))
227 		return 0;
228 
229 	return -EINVAL;
230 }
231 
232 bool amdgpu_ucode_hdr_version(union amdgpu_firmware_header *hdr,
233 				uint16_t hdr_major, uint16_t hdr_minor)
234 {
235 	if ((hdr->common.header_version_major == hdr_major) &&
236 		(hdr->common.header_version_minor == hdr_minor))
237 		return false;
238 	return true;
239 }
240 
241 enum amdgpu_firmware_load_type
242 amdgpu_ucode_get_load_type(struct amdgpu_device *adev, int load_type)
243 {
244 	switch (adev->asic_type) {
245 #ifdef CONFIG_DRM_AMDGPU_SI
246 	case CHIP_TAHITI:
247 	case CHIP_PITCAIRN:
248 	case CHIP_VERDE:
249 	case CHIP_OLAND:
250 		return AMDGPU_FW_LOAD_DIRECT;
251 #endif
252 #ifdef CONFIG_DRM_AMDGPU_CIK
253 	case CHIP_BONAIRE:
254 	case CHIP_KAVERI:
255 	case CHIP_KABINI:
256 	case CHIP_HAWAII:
257 	case CHIP_MULLINS:
258 		return AMDGPU_FW_LOAD_DIRECT;
259 #endif
260 	case CHIP_TOPAZ:
261 	case CHIP_TONGA:
262 	case CHIP_FIJI:
263 	case CHIP_CARRIZO:
264 	case CHIP_STONEY:
265 	case CHIP_POLARIS10:
266 	case CHIP_POLARIS11:
267 	case CHIP_POLARIS12:
268 		if (!load_type)
269 			return AMDGPU_FW_LOAD_DIRECT;
270 		else
271 			return AMDGPU_FW_LOAD_SMU;
272 	case CHIP_VEGA10:
273 	case CHIP_RAVEN:
274 		if (!load_type)
275 			return AMDGPU_FW_LOAD_DIRECT;
276 		else
277 			return AMDGPU_FW_LOAD_PSP;
278 	default:
279 		DRM_ERROR("Unknow firmware load type\n");
280 	}
281 
282 	return AMDGPU_FW_LOAD_DIRECT;
283 }
284 
285 static int amdgpu_ucode_init_single_fw(struct amdgpu_device *adev,
286 				       struct amdgpu_firmware_info *ucode,
287 				       uint64_t mc_addr, void *kptr)
288 {
289 	const struct common_firmware_header *header = NULL;
290 	const struct gfx_firmware_header_v1_0 *cp_hdr = NULL;
291 
292 	if (NULL == ucode->fw)
293 		return 0;
294 
295 	ucode->mc_addr = mc_addr;
296 	ucode->kaddr = kptr;
297 
298 	if (ucode->ucode_id == AMDGPU_UCODE_ID_STORAGE)
299 		return 0;
300 
301 	header = (const struct common_firmware_header *)ucode->fw->data;
302 
303 	cp_hdr = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
304 
305 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP ||
306 	    (ucode->ucode_id != AMDGPU_UCODE_ID_CP_MEC1 &&
307 	     ucode->ucode_id != AMDGPU_UCODE_ID_CP_MEC2 &&
308 	     ucode->ucode_id != AMDGPU_UCODE_ID_CP_MEC1_JT &&
309 	     ucode->ucode_id != AMDGPU_UCODE_ID_CP_MEC2_JT)) {
310 		ucode->ucode_size = le32_to_cpu(header->ucode_size_bytes);
311 
312 		memcpy(ucode->kaddr, (void *)((uint8_t *)ucode->fw->data +
313 					      le32_to_cpu(header->ucode_array_offset_bytes)),
314 		       ucode->ucode_size);
315 	} else if (ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC1 ||
316 		   ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC2) {
317 		ucode->ucode_size = le32_to_cpu(header->ucode_size_bytes) -
318 			le32_to_cpu(cp_hdr->jt_size) * 4;
319 
320 		memcpy(ucode->kaddr, (void *)((uint8_t *)ucode->fw->data +
321 					      le32_to_cpu(header->ucode_array_offset_bytes)),
322 		       ucode->ucode_size);
323 	} else if (ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC1_JT ||
324 		   ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC2_JT) {
325 		ucode->ucode_size = le32_to_cpu(cp_hdr->jt_size) * 4;
326 
327 		memcpy(ucode->kaddr, (void *)((uint8_t *)ucode->fw->data +
328 					      le32_to_cpu(header->ucode_array_offset_bytes) +
329 					      le32_to_cpu(cp_hdr->jt_offset) * 4),
330 		       ucode->ucode_size);
331 	}
332 
333 	return 0;
334 }
335 
336 static int amdgpu_ucode_patch_jt(struct amdgpu_firmware_info *ucode,
337 				uint64_t mc_addr, void *kptr)
338 {
339 	const struct gfx_firmware_header_v1_0 *header = NULL;
340 	const struct common_firmware_header *comm_hdr = NULL;
341 	uint8_t* src_addr = NULL;
342 	uint8_t* dst_addr = NULL;
343 
344 	if (NULL == ucode->fw)
345 		return 0;
346 
347 	comm_hdr = (const struct common_firmware_header *)ucode->fw->data;
348 	header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
349 	dst_addr = ucode->kaddr +
350 			   ALIGN(le32_to_cpu(comm_hdr->ucode_size_bytes),
351 			   PAGE_SIZE);
352 	src_addr = (uint8_t *)ucode->fw->data +
353 			   le32_to_cpu(comm_hdr->ucode_array_offset_bytes) +
354 			   (le32_to_cpu(header->jt_offset) * 4);
355 	memcpy(dst_addr, src_addr, le32_to_cpu(header->jt_size) * 4);
356 
357 	return 0;
358 }
359 
360 int amdgpu_ucode_init_bo(struct amdgpu_device *adev)
361 {
362 	struct amdgpu_bo **bo = &adev->firmware.fw_buf;
363 	uint64_t fw_offset = 0;
364 	int i, err;
365 	struct amdgpu_firmware_info *ucode = NULL;
366 	const struct common_firmware_header *header = NULL;
367 
368 	if (!adev->firmware.fw_size) {
369 		dev_warn(adev->dev, "No ip firmware need to load\n");
370 		return 0;
371 	}
372 
373 	if (!amdgpu_sriov_vf(adev) || !adev->in_sriov_reset) {
374 		err = amdgpu_bo_create(adev, adev->firmware.fw_size, PAGE_SIZE, true,
375 					amdgpu_sriov_vf(adev) ? AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
376 					AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
377 					NULL, NULL, 0, bo);
378 		if (err) {
379 			dev_err(adev->dev, "(%d) Firmware buffer allocate failed\n", err);
380 			goto failed;
381 		}
382 
383 		err = amdgpu_bo_reserve(*bo, false);
384 		if (err) {
385 			dev_err(adev->dev, "(%d) Firmware buffer reserve failed\n", err);
386 			goto failed_reserve;
387 		}
388 
389 		err = amdgpu_bo_pin(*bo, amdgpu_sriov_vf(adev) ? AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
390 					&adev->firmware.fw_buf_mc);
391 		if (err) {
392 			dev_err(adev->dev, "(%d) Firmware buffer pin failed\n", err);
393 			goto failed_pin;
394 		}
395 
396 		err = amdgpu_bo_kmap(*bo, &adev->firmware.fw_buf_ptr);
397 		if (err) {
398 			dev_err(adev->dev, "(%d) Firmware buffer kmap failed\n", err);
399 			goto failed_kmap;
400 		}
401 
402 		amdgpu_bo_unreserve(*bo);
403 	}
404 
405 	memset(adev->firmware.fw_buf_ptr, 0, adev->firmware.fw_size);
406 
407 	/*
408 	 * if SMU loaded firmware, it needn't add SMC, UVD, and VCE
409 	 * ucode info here
410 	 */
411 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
412 		if (amdgpu_sriov_vf(adev))
413 			adev->firmware.max_ucodes = AMDGPU_UCODE_ID_MAXIMUM - 3;
414 		else
415 			adev->firmware.max_ucodes = AMDGPU_UCODE_ID_MAXIMUM - 4;
416 	} else {
417 		adev->firmware.max_ucodes = AMDGPU_UCODE_ID_MAXIMUM;
418 	}
419 
420 	for (i = 0; i < adev->firmware.max_ucodes; i++) {
421 		ucode = &adev->firmware.ucode[i];
422 		if (ucode->fw) {
423 			header = (const struct common_firmware_header *)ucode->fw->data;
424 			amdgpu_ucode_init_single_fw(adev, ucode, adev->firmware.fw_buf_mc + fw_offset,
425 						    adev->firmware.fw_buf_ptr + fw_offset);
426 			if (i == AMDGPU_UCODE_ID_CP_MEC1 &&
427 			    adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
428 				const struct gfx_firmware_header_v1_0 *cp_hdr;
429 				cp_hdr = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
430 				amdgpu_ucode_patch_jt(ucode,  adev->firmware.fw_buf_mc + fw_offset,
431 						    adev->firmware.fw_buf_ptr + fw_offset);
432 				fw_offset += ALIGN(le32_to_cpu(cp_hdr->jt_size) << 2, PAGE_SIZE);
433 			}
434 			fw_offset += ALIGN(ucode->ucode_size, PAGE_SIZE);
435 		}
436 	}
437 	return 0;
438 
439 failed_kmap:
440 	amdgpu_bo_unpin(*bo);
441 failed_pin:
442 	amdgpu_bo_unreserve(*bo);
443 failed_reserve:
444 	amdgpu_bo_unref(bo);
445 failed:
446 	if (err)
447 		adev->firmware.load_type = AMDGPU_FW_LOAD_DIRECT;
448 
449 	return err;
450 }
451 
452 int amdgpu_ucode_fini_bo(struct amdgpu_device *adev)
453 {
454 	int i;
455 	struct amdgpu_firmware_info *ucode = NULL;
456 
457 	if (!adev->firmware.fw_size)
458 		return 0;
459 
460 	for (i = 0; i < adev->firmware.max_ucodes; i++) {
461 		ucode = &adev->firmware.ucode[i];
462 		if (ucode->fw) {
463 			ucode->mc_addr = 0;
464 			ucode->kaddr = NULL;
465 		}
466 	}
467 	amdgpu_bo_unref(&adev->firmware.fw_buf);
468 	adev->firmware.fw_buf = NULL;
469 
470 	return 0;
471 }
472