1 /*
2  * Copyright 2016 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <drm/amdgpu_drm.h>
25 #include "amdgpu.h"
26 #include "atomfirmware.h"
27 #include "amdgpu_atomfirmware.h"
28 #include "atom.h"
29 #include "atombios.h"
30 #include "soc15_hw_ip.h"
31 
32 union firmware_info {
33 	struct atom_firmware_info_v3_1 v31;
34 	struct atom_firmware_info_v3_2 v32;
35 	struct atom_firmware_info_v3_3 v33;
36 	struct atom_firmware_info_v3_4 v34;
37 };
38 
39 /*
40  * Helper function to query firmware capability
41  *
42  * @adev: amdgpu_device pointer
43  *
44  * Return firmware_capability in firmwareinfo table on success or 0 if not
45  */
46 uint32_t amdgpu_atomfirmware_query_firmware_capability(struct amdgpu_device *adev)
47 {
48 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
49 	int index;
50 	u16 data_offset, size;
51 	union firmware_info *firmware_info;
52 	u8 frev, crev;
53 	u32 fw_cap = 0;
54 
55 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
56 			firmwareinfo);
57 
58 	if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context,
59 				index, &size, &frev, &crev, &data_offset)) {
60 		/* support firmware_info 3.1 + */
61 		if ((frev == 3 && crev >=1) || (frev > 3)) {
62 			firmware_info = (union firmware_info *)
63 				(mode_info->atom_context->bios + data_offset);
64 			fw_cap = le32_to_cpu(firmware_info->v31.firmware_capability);
65 		}
66 	}
67 
68 	return fw_cap;
69 }
70 
71 /*
72  * Helper function to query gpu virtualizaiton capability
73  *
74  * @adev: amdgpu_device pointer
75  *
76  * Return true if gpu virtualization is supported or false if not
77  */
78 bool amdgpu_atomfirmware_gpu_virtualization_supported(struct amdgpu_device *adev)
79 {
80 	u32 fw_cap;
81 
82 	fw_cap = adev->mode_info.firmware_flags;
83 
84 	return (fw_cap & ATOM_FIRMWARE_CAP_GPU_VIRTUALIZATION) ? true : false;
85 }
86 
87 void amdgpu_atomfirmware_scratch_regs_init(struct amdgpu_device *adev)
88 {
89 	int index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
90 						firmwareinfo);
91 	uint16_t data_offset;
92 
93 	if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, NULL,
94 					  NULL, NULL, &data_offset)) {
95 		struct atom_firmware_info_v3_1 *firmware_info =
96 			(struct atom_firmware_info_v3_1 *)(adev->mode_info.atom_context->bios +
97 							   data_offset);
98 
99 		adev->bios_scratch_reg_offset =
100 			le32_to_cpu(firmware_info->bios_scratch_reg_startaddr);
101 	}
102 }
103 
104 int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev)
105 {
106 	struct atom_context *ctx = adev->mode_info.atom_context;
107 	int index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
108 						vram_usagebyfirmware);
109 	struct vram_usagebyfirmware_v2_1 *firmware_usage;
110 	uint32_t start_addr, size;
111 	uint16_t data_offset;
112 	int usage_bytes = 0;
113 
114 	if (amdgpu_atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
115 		firmware_usage = (struct vram_usagebyfirmware_v2_1 *)(ctx->bios + data_offset);
116 		DRM_DEBUG("atom firmware requested %08x %dkb fw %dkb drv\n",
117 			  le32_to_cpu(firmware_usage->start_address_in_kb),
118 			  le16_to_cpu(firmware_usage->used_by_firmware_in_kb),
119 			  le16_to_cpu(firmware_usage->used_by_driver_in_kb));
120 
121 		start_addr = le32_to_cpu(firmware_usage->start_address_in_kb);
122 		size = le16_to_cpu(firmware_usage->used_by_firmware_in_kb);
123 
124 		if ((uint32_t)(start_addr & ATOM_VRAM_OPERATION_FLAGS_MASK) ==
125 			(uint32_t)(ATOM_VRAM_BLOCK_SRIOV_MSG_SHARE_RESERVATION <<
126 			ATOM_VRAM_OPERATION_FLAGS_SHIFT)) {
127 			/* Firmware request VRAM reservation for SR-IOV */
128 			adev->mman.fw_vram_usage_start_offset = (start_addr &
129 				(~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10;
130 			adev->mman.fw_vram_usage_size = size << 10;
131 			/* Use the default scratch size */
132 			usage_bytes = 0;
133 		} else {
134 			usage_bytes = le16_to_cpu(firmware_usage->used_by_driver_in_kb) << 10;
135 		}
136 	}
137 	ctx->scratch_size_bytes = 0;
138 	if (usage_bytes == 0)
139 		usage_bytes = 20 * 1024;
140 	/* allocate some scratch memory */
141 	ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);
142 	if (!ctx->scratch)
143 		return -ENOMEM;
144 	ctx->scratch_size_bytes = usage_bytes;
145 	return 0;
146 }
147 
148 union igp_info {
149 	struct atom_integrated_system_info_v1_11 v11;
150 	struct atom_integrated_system_info_v1_12 v12;
151 	struct atom_integrated_system_info_v2_1 v21;
152 };
153 
154 union umc_info {
155 	struct atom_umc_info_v3_1 v31;
156 	struct atom_umc_info_v3_2 v32;
157 	struct atom_umc_info_v3_3 v33;
158 };
159 
160 union vram_info {
161 	struct atom_vram_info_header_v2_3 v23;
162 	struct atom_vram_info_header_v2_4 v24;
163 	struct atom_vram_info_header_v2_5 v25;
164 	struct atom_vram_info_header_v2_6 v26;
165 	struct atom_vram_info_header_v3_0 v30;
166 };
167 
168 union vram_module {
169 	struct atom_vram_module_v9 v9;
170 	struct atom_vram_module_v10 v10;
171 	struct atom_vram_module_v11 v11;
172 	struct atom_vram_module_v3_0 v30;
173 };
174 
175 static int convert_atom_mem_type_to_vram_type(struct amdgpu_device *adev,
176 					      int atom_mem_type)
177 {
178 	int vram_type;
179 
180 	if (adev->flags & AMD_IS_APU) {
181 		switch (atom_mem_type) {
182 		case Ddr2MemType:
183 		case LpDdr2MemType:
184 			vram_type = AMDGPU_VRAM_TYPE_DDR2;
185 			break;
186 		case Ddr3MemType:
187 		case LpDdr3MemType:
188 			vram_type = AMDGPU_VRAM_TYPE_DDR3;
189 			break;
190 		case Ddr4MemType:
191 			vram_type = AMDGPU_VRAM_TYPE_DDR4;
192 			break;
193 		case LpDdr4MemType:
194 			vram_type = AMDGPU_VRAM_TYPE_LPDDR4;
195 			break;
196 		case Ddr5MemType:
197 			vram_type = AMDGPU_VRAM_TYPE_DDR5;
198 			break;
199 		case LpDdr5MemType:
200 			vram_type = AMDGPU_VRAM_TYPE_LPDDR5;
201 			break;
202 		default:
203 			vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
204 			break;
205 		}
206 	} else {
207 		switch (atom_mem_type) {
208 		case ATOM_DGPU_VRAM_TYPE_GDDR5:
209 			vram_type = AMDGPU_VRAM_TYPE_GDDR5;
210 			break;
211 		case ATOM_DGPU_VRAM_TYPE_HBM2:
212 		case ATOM_DGPU_VRAM_TYPE_HBM2E:
213 			vram_type = AMDGPU_VRAM_TYPE_HBM;
214 			break;
215 		case ATOM_DGPU_VRAM_TYPE_GDDR6:
216 			vram_type = AMDGPU_VRAM_TYPE_GDDR6;
217 			break;
218 		default:
219 			vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
220 			break;
221 		}
222 	}
223 
224 	return vram_type;
225 }
226 
227 
228 int
229 amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev,
230 				  int *vram_width, int *vram_type,
231 				  int *vram_vendor)
232 {
233 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
234 	int index, i = 0;
235 	u16 data_offset, size;
236 	union igp_info *igp_info;
237 	union vram_info *vram_info;
238 	union vram_module *vram_module;
239 	u8 frev, crev;
240 	u8 mem_type;
241 	u8 mem_vendor;
242 	u32 mem_channel_number;
243 	u32 mem_channel_width;
244 	u32 module_id;
245 
246 	if (adev->flags & AMD_IS_APU)
247 		index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
248 						    integratedsysteminfo);
249 	else
250 		index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
251 						    vram_info);
252 
253 	if (amdgpu_atom_parse_data_header(mode_info->atom_context,
254 					  index, &size,
255 					  &frev, &crev, &data_offset)) {
256 		if (adev->flags & AMD_IS_APU) {
257 			igp_info = (union igp_info *)
258 				(mode_info->atom_context->bios + data_offset);
259 			switch (frev) {
260 			case 1:
261 				switch (crev) {
262 				case 11:
263 				case 12:
264 					mem_channel_number = igp_info->v11.umachannelnumber;
265 					if (!mem_channel_number)
266 						mem_channel_number = 1;
267 					/* channel width is 64 */
268 					if (vram_width)
269 						*vram_width = mem_channel_number * 64;
270 					mem_type = igp_info->v11.memorytype;
271 					if (vram_type)
272 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
273 					break;
274 				default:
275 					return -EINVAL;
276 				}
277 				break;
278 			case 2:
279 				switch (crev) {
280 				case 1:
281 				case 2:
282 					mem_channel_number = igp_info->v21.umachannelnumber;
283 					if (!mem_channel_number)
284 						mem_channel_number = 1;
285 					/* channel width is 64 */
286 					if (vram_width)
287 						*vram_width = mem_channel_number * 64;
288 					mem_type = igp_info->v21.memorytype;
289 					if (vram_type)
290 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
291 					break;
292 				default:
293 					return -EINVAL;
294 				}
295 				break;
296 			default:
297 				return -EINVAL;
298 			}
299 		} else {
300 			vram_info = (union vram_info *)
301 				(mode_info->atom_context->bios + data_offset);
302 			module_id = (RREG32(adev->bios_scratch_reg_offset + 4) & 0x00ff0000) >> 16;
303 			if (frev == 3) {
304 				switch (crev) {
305 				/* v30 */
306 				case 0:
307 					vram_module = (union vram_module *)vram_info->v30.vram_module;
308 					mem_vendor = (vram_module->v30.dram_vendor_id) & 0xF;
309 					if (vram_vendor)
310 						*vram_vendor = mem_vendor;
311 					mem_type = vram_info->v30.memory_type;
312 					if (vram_type)
313 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
314 					mem_channel_number = vram_info->v30.channel_num;
315 					mem_channel_width = vram_info->v30.channel_width;
316 					if (vram_width)
317 						*vram_width = mem_channel_number * (1 << mem_channel_width);
318 					break;
319 				default:
320 					return -EINVAL;
321 				}
322 			} else if (frev == 2) {
323 				switch (crev) {
324 				/* v23 */
325 				case 3:
326 					if (module_id > vram_info->v23.vram_module_num)
327 						module_id = 0;
328 					vram_module = (union vram_module *)vram_info->v23.vram_module;
329 					while (i < module_id) {
330 						vram_module = (union vram_module *)
331 							((u8 *)vram_module + vram_module->v9.vram_module_size);
332 						i++;
333 					}
334 					mem_type = vram_module->v9.memory_type;
335 					if (vram_type)
336 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
337 					mem_channel_number = vram_module->v9.channel_num;
338 					mem_channel_width = vram_module->v9.channel_width;
339 					if (vram_width)
340 						*vram_width = mem_channel_number * (1 << mem_channel_width);
341 					mem_vendor = (vram_module->v9.vender_rev_id) & 0xF;
342 					if (vram_vendor)
343 						*vram_vendor = mem_vendor;
344 					break;
345 				/* v24 */
346 				case 4:
347 					if (module_id > vram_info->v24.vram_module_num)
348 						module_id = 0;
349 					vram_module = (union vram_module *)vram_info->v24.vram_module;
350 					while (i < module_id) {
351 						vram_module = (union vram_module *)
352 							((u8 *)vram_module + vram_module->v10.vram_module_size);
353 						i++;
354 					}
355 					mem_type = vram_module->v10.memory_type;
356 					if (vram_type)
357 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
358 					mem_channel_number = vram_module->v10.channel_num;
359 					mem_channel_width = vram_module->v10.channel_width;
360 					if (vram_width)
361 						*vram_width = mem_channel_number * (1 << mem_channel_width);
362 					mem_vendor = (vram_module->v10.vender_rev_id) & 0xF;
363 					if (vram_vendor)
364 						*vram_vendor = mem_vendor;
365 					break;
366 				/* v25 */
367 				case 5:
368 					if (module_id > vram_info->v25.vram_module_num)
369 						module_id = 0;
370 					vram_module = (union vram_module *)vram_info->v25.vram_module;
371 					while (i < module_id) {
372 						vram_module = (union vram_module *)
373 							((u8 *)vram_module + vram_module->v11.vram_module_size);
374 						i++;
375 					}
376 					mem_type = vram_module->v11.memory_type;
377 					if (vram_type)
378 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
379 					mem_channel_number = vram_module->v11.channel_num;
380 					mem_channel_width = vram_module->v11.channel_width;
381 					if (vram_width)
382 						*vram_width = mem_channel_number * (1 << mem_channel_width);
383 					mem_vendor = (vram_module->v11.vender_rev_id) & 0xF;
384 					if (vram_vendor)
385 						*vram_vendor = mem_vendor;
386 					break;
387 				/* v26 */
388 				case 6:
389 					if (module_id > vram_info->v26.vram_module_num)
390 						module_id = 0;
391 					vram_module = (union vram_module *)vram_info->v26.vram_module;
392 					while (i < module_id) {
393 						vram_module = (union vram_module *)
394 							((u8 *)vram_module + vram_module->v9.vram_module_size);
395 						i++;
396 					}
397 					mem_type = vram_module->v9.memory_type;
398 					if (vram_type)
399 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
400 					mem_channel_number = vram_module->v9.channel_num;
401 					mem_channel_width = vram_module->v9.channel_width;
402 					if (vram_width)
403 						*vram_width = mem_channel_number * (1 << mem_channel_width);
404 					mem_vendor = (vram_module->v9.vender_rev_id) & 0xF;
405 					if (vram_vendor)
406 						*vram_vendor = mem_vendor;
407 					break;
408 				default:
409 					return -EINVAL;
410 				}
411 			} else {
412 				/* invalid frev */
413 				return -EINVAL;
414 			}
415 		}
416 
417 	}
418 
419 	return 0;
420 }
421 
422 /*
423  * Return true if vbios enabled ecc by default, if umc info table is available
424  * or false if ecc is not enabled or umc info table is not available
425  */
426 bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev)
427 {
428 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
429 	int index;
430 	u16 data_offset, size;
431 	union umc_info *umc_info;
432 	u8 frev, crev;
433 	bool ecc_default_enabled = false;
434 	u8 umc_config;
435 	u32 umc_config1;
436 
437 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
438 			umc_info);
439 
440 	if (amdgpu_atom_parse_data_header(mode_info->atom_context,
441 				index, &size, &frev, &crev, &data_offset)) {
442 		if (frev == 3) {
443 			umc_info = (union umc_info *)
444 				(mode_info->atom_context->bios + data_offset);
445 			switch (crev) {
446 			case 1:
447 				umc_config = le32_to_cpu(umc_info->v31.umc_config);
448 				ecc_default_enabled =
449 					(umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false;
450 				break;
451 			case 2:
452 				umc_config = le32_to_cpu(umc_info->v32.umc_config);
453 				ecc_default_enabled =
454 					(umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false;
455 				break;
456 			case 3:
457 				umc_config = le32_to_cpu(umc_info->v33.umc_config);
458 				umc_config1 = le32_to_cpu(umc_info->v33.umc_config1);
459 				ecc_default_enabled =
460 					((umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ||
461 					 (umc_config1 & UMC_CONFIG1__ENABLE_ECC_CAPABLE)) ? true : false;
462 				break;
463 			default:
464 				/* unsupported crev */
465 				return false;
466 			}
467 		}
468 	}
469 
470 	return ecc_default_enabled;
471 }
472 
473 /*
474  * Helper function to query sram ecc capablity
475  *
476  * @adev: amdgpu_device pointer
477  *
478  * Return true if vbios supports sram ecc or false if not
479  */
480 bool amdgpu_atomfirmware_sram_ecc_supported(struct amdgpu_device *adev)
481 {
482 	u32 fw_cap;
483 
484 	fw_cap = adev->mode_info.firmware_flags;
485 
486 	return (fw_cap & ATOM_FIRMWARE_CAP_SRAM_ECC) ? true : false;
487 }
488 
489 /*
490  * Helper function to query dynamic boot config capability
491  *
492  * @adev: amdgpu_device pointer
493  *
494  * Return true if vbios supports dynamic boot config or false if not
495  */
496 bool amdgpu_atomfirmware_dynamic_boot_config_supported(struct amdgpu_device *adev)
497 {
498 	u32 fw_cap;
499 
500 	fw_cap = adev->mode_info.firmware_flags;
501 
502 	return (fw_cap & ATOM_FIRMWARE_CAP_DYNAMIC_BOOT_CFG_ENABLE) ? true : false;
503 }
504 
505 /**
506  * amdgpu_atomfirmware_ras_rom_addr -- Get the RAS EEPROM addr from VBIOS
507  * @adev: amdgpu_device pointer
508  * @i2c_address: pointer to u8; if not NULL, will contain
509  *    the RAS EEPROM address if the function returns true
510  *
511  * Return true if VBIOS supports RAS EEPROM address reporting,
512  * else return false. If true and @i2c_address is not NULL,
513  * will contain the RAS ROM address.
514  */
515 bool amdgpu_atomfirmware_ras_rom_addr(struct amdgpu_device *adev,
516 				      u8 *i2c_address)
517 {
518 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
519 	int index;
520 	u16 data_offset, size;
521 	union firmware_info *firmware_info;
522 	u8 frev, crev;
523 
524 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
525 					    firmwareinfo);
526 
527 	if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context,
528 					  index, &size, &frev, &crev,
529 					  &data_offset)) {
530 		/* support firmware_info 3.4 + */
531 		if ((frev == 3 && crev >=4) || (frev > 3)) {
532 			firmware_info = (union firmware_info *)
533 				(mode_info->atom_context->bios + data_offset);
534 			/* The ras_rom_i2c_slave_addr should ideally
535 			 * be a 19-bit EEPROM address, which would be
536 			 * used as is by the driver; see top of
537 			 * amdgpu_eeprom.c.
538 			 *
539 			 * When this is the case, 0 is of course a
540 			 * valid RAS EEPROM address, in which case,
541 			 * we'll drop the first "if (firm...)" and only
542 			 * leave the check for the pointer.
543 			 *
544 			 * The reason this works right now is because
545 			 * ras_rom_i2c_slave_addr contains the EEPROM
546 			 * device type qualifier 1010b in the top 4
547 			 * bits.
548 			 */
549 			if (firmware_info->v34.ras_rom_i2c_slave_addr) {
550 				if (i2c_address)
551 					*i2c_address = firmware_info->v34.ras_rom_i2c_slave_addr;
552 				return true;
553 			}
554 		}
555 	}
556 
557 	return false;
558 }
559 
560 
561 union smu_info {
562 	struct atom_smu_info_v3_1 v31;
563 	struct atom_smu_info_v4_0 v40;
564 };
565 
566 union gfx_info {
567 	struct atom_gfx_info_v2_2 v22;
568 	struct atom_gfx_info_v2_4 v24;
569 	struct atom_gfx_info_v2_7 v27;
570 	struct atom_gfx_info_v3_0 v30;
571 };
572 
573 int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev)
574 {
575 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
576 	struct amdgpu_pll *spll = &adev->clock.spll;
577 	struct amdgpu_pll *mpll = &adev->clock.mpll;
578 	uint8_t frev, crev;
579 	uint16_t data_offset;
580 	int ret = -EINVAL, index;
581 
582 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
583 					    firmwareinfo);
584 	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
585 				   &frev, &crev, &data_offset)) {
586 		union firmware_info *firmware_info =
587 			(union firmware_info *)(mode_info->atom_context->bios +
588 						data_offset);
589 
590 		adev->clock.default_sclk =
591 			le32_to_cpu(firmware_info->v31.bootup_sclk_in10khz);
592 		adev->clock.default_mclk =
593 			le32_to_cpu(firmware_info->v31.bootup_mclk_in10khz);
594 
595 		adev->pm.current_sclk = adev->clock.default_sclk;
596 		adev->pm.current_mclk = adev->clock.default_mclk;
597 
598 		ret = 0;
599 	}
600 
601 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
602 					    smu_info);
603 	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
604 				   &frev, &crev, &data_offset)) {
605 		union smu_info *smu_info =
606 			(union smu_info *)(mode_info->atom_context->bios +
607 					   data_offset);
608 
609 		/* system clock */
610 		if (frev == 3)
611 			spll->reference_freq = le32_to_cpu(smu_info->v31.core_refclk_10khz);
612 		else if (frev == 4)
613 			spll->reference_freq = le32_to_cpu(smu_info->v40.core_refclk_10khz);
614 
615 		spll->reference_div = 0;
616 		spll->min_post_div = 1;
617 		spll->max_post_div = 1;
618 		spll->min_ref_div = 2;
619 		spll->max_ref_div = 0xff;
620 		spll->min_feedback_div = 4;
621 		spll->max_feedback_div = 0xff;
622 		spll->best_vco = 0;
623 
624 		ret = 0;
625 	}
626 
627 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
628 					    umc_info);
629 	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
630 				   &frev, &crev, &data_offset)) {
631 		union umc_info *umc_info =
632 			(union umc_info *)(mode_info->atom_context->bios +
633 					   data_offset);
634 
635 		/* memory clock */
636 		mpll->reference_freq = le32_to_cpu(umc_info->v31.mem_refclk_10khz);
637 
638 		mpll->reference_div = 0;
639 		mpll->min_post_div = 1;
640 		mpll->max_post_div = 1;
641 		mpll->min_ref_div = 2;
642 		mpll->max_ref_div = 0xff;
643 		mpll->min_feedback_div = 4;
644 		mpll->max_feedback_div = 0xff;
645 		mpll->best_vco = 0;
646 
647 		ret = 0;
648 	}
649 
650 	/* if asic is Navi+, the rlc reference clock is used for system clock
651 	 * from vbios gfx_info table */
652 	if (adev->asic_type >= CHIP_NAVI10) {
653 		index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
654 						   gfx_info);
655 		if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
656 					  &frev, &crev, &data_offset)) {
657 			union gfx_info *gfx_info = (union gfx_info *)
658 				(mode_info->atom_context->bios + data_offset);
659 			if ((frev == 3) ||
660 			    (frev == 2 && crev == 6)) {
661 				spll->reference_freq = le32_to_cpu(gfx_info->v30.golden_tsc_count_lower_refclk);
662 				ret = 0;
663 			} else if ((frev == 2) &&
664 				   (crev >= 2) &&
665 				   (crev != 6)) {
666 				spll->reference_freq = le32_to_cpu(gfx_info->v22.rlc_gpu_timer_refclk);
667 				ret = 0;
668 			} else {
669 				BUG();
670 			}
671 		}
672 	}
673 
674 	return ret;
675 }
676 
677 int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev)
678 {
679 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
680 	int index;
681 	uint8_t frev, crev;
682 	uint16_t data_offset;
683 
684 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
685 					    gfx_info);
686 	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
687 				   &frev, &crev, &data_offset)) {
688 		union gfx_info *gfx_info = (union gfx_info *)
689 			(mode_info->atom_context->bios + data_offset);
690 		if (frev == 2) {
691 			switch (crev) {
692 			case 4:
693 				adev->gfx.config.max_shader_engines = gfx_info->v24.max_shader_engines;
694 				adev->gfx.config.max_cu_per_sh = gfx_info->v24.max_cu_per_sh;
695 				adev->gfx.config.max_sh_per_se = gfx_info->v24.max_sh_per_se;
696 				adev->gfx.config.max_backends_per_se = gfx_info->v24.max_backends_per_se;
697 				adev->gfx.config.max_texture_channel_caches = gfx_info->v24.max_texture_channel_caches;
698 				adev->gfx.config.max_gprs = le16_to_cpu(gfx_info->v24.gc_num_gprs);
699 				adev->gfx.config.max_gs_threads = gfx_info->v24.gc_num_max_gs_thds;
700 				adev->gfx.config.gs_vgt_table_depth = gfx_info->v24.gc_gs_table_depth;
701 				adev->gfx.config.gs_prim_buffer_depth =
702 					le16_to_cpu(gfx_info->v24.gc_gsprim_buff_depth);
703 				adev->gfx.config.double_offchip_lds_buf =
704 					gfx_info->v24.gc_double_offchip_lds_buffer;
705 				adev->gfx.cu_info.wave_front_size = le16_to_cpu(gfx_info->v24.gc_wave_size);
706 				adev->gfx.cu_info.max_waves_per_simd = le16_to_cpu(gfx_info->v24.gc_max_waves_per_simd);
707 				adev->gfx.cu_info.max_scratch_slots_per_cu = gfx_info->v24.gc_max_scratch_slots_per_cu;
708 				adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v24.gc_lds_size);
709 				return 0;
710 			case 7:
711 				adev->gfx.config.max_shader_engines = gfx_info->v27.max_shader_engines;
712 				adev->gfx.config.max_cu_per_sh = gfx_info->v27.max_cu_per_sh;
713 				adev->gfx.config.max_sh_per_se = gfx_info->v27.max_sh_per_se;
714 				adev->gfx.config.max_backends_per_se = gfx_info->v27.max_backends_per_se;
715 				adev->gfx.config.max_texture_channel_caches = gfx_info->v27.max_texture_channel_caches;
716 				adev->gfx.config.max_gprs = le16_to_cpu(gfx_info->v27.gc_num_gprs);
717 				adev->gfx.config.max_gs_threads = gfx_info->v27.gc_num_max_gs_thds;
718 				adev->gfx.config.gs_vgt_table_depth = gfx_info->v27.gc_gs_table_depth;
719 				adev->gfx.config.gs_prim_buffer_depth = le16_to_cpu(gfx_info->v27.gc_gsprim_buff_depth);
720 				adev->gfx.config.double_offchip_lds_buf = gfx_info->v27.gc_double_offchip_lds_buffer;
721 				adev->gfx.cu_info.wave_front_size = le16_to_cpu(gfx_info->v27.gc_wave_size);
722 				adev->gfx.cu_info.max_waves_per_simd = le16_to_cpu(gfx_info->v27.gc_max_waves_per_simd);
723 				adev->gfx.cu_info.max_scratch_slots_per_cu = gfx_info->v27.gc_max_scratch_slots_per_cu;
724 				adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v27.gc_lds_size);
725 				return 0;
726 			default:
727 				return -EINVAL;
728 			}
729 		} else if (frev == 3) {
730 			switch (crev) {
731 			case 0:
732 				adev->gfx.config.max_shader_engines = gfx_info->v30.max_shader_engines;
733 				adev->gfx.config.max_cu_per_sh = gfx_info->v30.max_cu_per_sh;
734 				adev->gfx.config.max_sh_per_se = gfx_info->v30.max_sh_per_se;
735 				adev->gfx.config.max_backends_per_se = gfx_info->v30.max_backends_per_se;
736 				adev->gfx.config.max_texture_channel_caches = gfx_info->v30.max_texture_channel_caches;
737 				return 0;
738 			default:
739 				return -EINVAL;
740 			}
741 		} else {
742 			return -EINVAL;
743 		}
744 
745 	}
746 	return -EINVAL;
747 }
748 
749 /*
750  * Helper function to query two stage mem training capability
751  *
752  * @adev: amdgpu_device pointer
753  *
754  * Return true if two stage mem training is supported or false if not
755  */
756 bool amdgpu_atomfirmware_mem_training_supported(struct amdgpu_device *adev)
757 {
758 	u32 fw_cap;
759 
760 	fw_cap = adev->mode_info.firmware_flags;
761 
762 	return (fw_cap & ATOM_FIRMWARE_CAP_ENABLE_2STAGE_BIST_TRAINING) ? true : false;
763 }
764 
765 int amdgpu_atomfirmware_get_fw_reserved_fb_size(struct amdgpu_device *adev)
766 {
767 	struct atom_context *ctx = adev->mode_info.atom_context;
768 	union firmware_info *firmware_info;
769 	int index;
770 	u16 data_offset, size;
771 	u8 frev, crev;
772 	int fw_reserved_fb_size;
773 
774 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
775 			firmwareinfo);
776 
777 	if (!amdgpu_atom_parse_data_header(ctx, index, &size,
778 				&frev, &crev, &data_offset))
779 		/* fail to parse data_header */
780 		return 0;
781 
782 	firmware_info = (union firmware_info *)(ctx->bios + data_offset);
783 
784 	if (frev !=3)
785 		return -EINVAL;
786 
787 	switch (crev) {
788 	case 4:
789 		fw_reserved_fb_size =
790 			(firmware_info->v34.fw_reserved_size_in_kb << 10);
791 		break;
792 	default:
793 		fw_reserved_fb_size = 0;
794 		break;
795 	}
796 
797 	return fw_reserved_fb_size;
798 }
799 
800 /*
801  * Helper function to execute asic_init table
802  *
803  * @adev: amdgpu_device pointer
804  * @fb_reset: flag to indicate whether fb is reset or not
805  *
806  * Return 0 if succeed, otherwise failed
807  */
808 int amdgpu_atomfirmware_asic_init(struct amdgpu_device *adev, bool fb_reset)
809 {
810 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
811 	struct atom_context *ctx;
812 	uint8_t frev, crev;
813 	uint16_t data_offset;
814 	uint32_t bootup_sclk_in10khz, bootup_mclk_in10khz;
815 	struct asic_init_ps_allocation_v2_1 asic_init_ps_v2_1;
816 	int index;
817 
818 	if (!mode_info)
819 		return -EINVAL;
820 
821 	ctx = mode_info->atom_context;
822 	if (!ctx)
823 		return -EINVAL;
824 
825 	/* query bootup sclk/mclk from firmware_info table */
826 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
827 					    firmwareinfo);
828 	if (amdgpu_atom_parse_data_header(ctx, index, NULL,
829 				&frev, &crev, &data_offset)) {
830 		union firmware_info *firmware_info =
831 			(union firmware_info *)(ctx->bios +
832 						data_offset);
833 
834 		bootup_sclk_in10khz =
835 			le32_to_cpu(firmware_info->v31.bootup_sclk_in10khz);
836 		bootup_mclk_in10khz =
837 			le32_to_cpu(firmware_info->v31.bootup_mclk_in10khz);
838 	} else {
839 		return -EINVAL;
840 	}
841 
842 	index = get_index_into_master_table(atom_master_list_of_command_functions_v2_1,
843                                             asic_init);
844 	if (amdgpu_atom_parse_cmd_header(mode_info->atom_context, index, &frev, &crev)) {
845 		if (frev == 2 && crev >= 1) {
846 			memset(&asic_init_ps_v2_1, 0, sizeof(asic_init_ps_v2_1));
847 			asic_init_ps_v2_1.param.engineparam.sclkfreqin10khz = bootup_sclk_in10khz;
848 			asic_init_ps_v2_1.param.memparam.mclkfreqin10khz = bootup_mclk_in10khz;
849 			asic_init_ps_v2_1.param.engineparam.engineflag = b3NORMAL_ENGINE_INIT;
850 			if (!fb_reset)
851 				asic_init_ps_v2_1.param.memparam.memflag = b3DRAM_SELF_REFRESH_EXIT;
852 			else
853 				asic_init_ps_v2_1.param.memparam.memflag = 0;
854 		} else {
855 			return -EINVAL;
856 		}
857 	} else {
858 		return -EINVAL;
859 	}
860 
861 	return amdgpu_atom_execute_table(ctx, ATOM_CMD_INIT, (uint32_t *)&asic_init_ps_v2_1);
862 }
863