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 		case LpDdr4MemType:
192 			vram_type = AMDGPU_VRAM_TYPE_DDR4;
193 			break;
194 		case Ddr5MemType:
195 		case LpDdr5MemType:
196 			vram_type = AMDGPU_VRAM_TYPE_DDR5;
197 			break;
198 		default:
199 			vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
200 			break;
201 		}
202 	} else {
203 		switch (atom_mem_type) {
204 		case ATOM_DGPU_VRAM_TYPE_GDDR5:
205 			vram_type = AMDGPU_VRAM_TYPE_GDDR5;
206 			break;
207 		case ATOM_DGPU_VRAM_TYPE_HBM2:
208 		case ATOM_DGPU_VRAM_TYPE_HBM2E:
209 			vram_type = AMDGPU_VRAM_TYPE_HBM;
210 			break;
211 		case ATOM_DGPU_VRAM_TYPE_GDDR6:
212 			vram_type = AMDGPU_VRAM_TYPE_GDDR6;
213 			break;
214 		default:
215 			vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
216 			break;
217 		}
218 	}
219 
220 	return vram_type;
221 }
222 
223 
224 int
225 amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev,
226 				  int *vram_width, int *vram_type,
227 				  int *vram_vendor)
228 {
229 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
230 	int index, i = 0;
231 	u16 data_offset, size;
232 	union igp_info *igp_info;
233 	union vram_info *vram_info;
234 	union vram_module *vram_module;
235 	u8 frev, crev;
236 	u8 mem_type;
237 	u8 mem_vendor;
238 	u32 mem_channel_number;
239 	u32 mem_channel_width;
240 	u32 module_id;
241 
242 	if (adev->flags & AMD_IS_APU)
243 		index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
244 						    integratedsysteminfo);
245 	else
246 		index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
247 						    vram_info);
248 
249 	if (amdgpu_atom_parse_data_header(mode_info->atom_context,
250 					  index, &size,
251 					  &frev, &crev, &data_offset)) {
252 		if (adev->flags & AMD_IS_APU) {
253 			igp_info = (union igp_info *)
254 				(mode_info->atom_context->bios + data_offset);
255 			switch (frev) {
256 			case 1:
257 				switch (crev) {
258 				case 11:
259 				case 12:
260 					mem_channel_number = igp_info->v11.umachannelnumber;
261 					if (!mem_channel_number)
262 						mem_channel_number = 1;
263 					/* channel width is 64 */
264 					if (vram_width)
265 						*vram_width = mem_channel_number * 64;
266 					mem_type = igp_info->v11.memorytype;
267 					if (vram_type)
268 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
269 					break;
270 				default:
271 					return -EINVAL;
272 				}
273 				break;
274 			case 2:
275 				switch (crev) {
276 				case 1:
277 				case 2:
278 					mem_channel_number = igp_info->v21.umachannelnumber;
279 					if (!mem_channel_number)
280 						mem_channel_number = 1;
281 					/* channel width is 64 */
282 					if (vram_width)
283 						*vram_width = mem_channel_number * 64;
284 					mem_type = igp_info->v21.memorytype;
285 					if (vram_type)
286 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
287 					break;
288 				default:
289 					return -EINVAL;
290 				}
291 				break;
292 			default:
293 				return -EINVAL;
294 			}
295 		} else {
296 			vram_info = (union vram_info *)
297 				(mode_info->atom_context->bios + data_offset);
298 			module_id = (RREG32(adev->bios_scratch_reg_offset + 4) & 0x00ff0000) >> 16;
299 			if (frev == 3) {
300 				switch (crev) {
301 				/* v30 */
302 				case 0:
303 					vram_module = (union vram_module *)vram_info->v30.vram_module;
304 					mem_vendor = (vram_module->v30.dram_vendor_id) & 0xF;
305 					if (vram_vendor)
306 						*vram_vendor = mem_vendor;
307 					mem_type = vram_info->v30.memory_type;
308 					if (vram_type)
309 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
310 					mem_channel_number = vram_info->v30.channel_num;
311 					mem_channel_width = vram_info->v30.channel_width;
312 					if (vram_width)
313 						*vram_width = mem_channel_number * mem_channel_width;
314 					break;
315 				default:
316 					return -EINVAL;
317 				}
318 			} else if (frev == 2) {
319 				switch (crev) {
320 				/* v23 */
321 				case 3:
322 					if (module_id > vram_info->v23.vram_module_num)
323 						module_id = 0;
324 					vram_module = (union vram_module *)vram_info->v23.vram_module;
325 					while (i < module_id) {
326 						vram_module = (union vram_module *)
327 							((u8 *)vram_module + vram_module->v9.vram_module_size);
328 						i++;
329 					}
330 					mem_type = vram_module->v9.memory_type;
331 					if (vram_type)
332 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
333 					mem_channel_number = vram_module->v9.channel_num;
334 					mem_channel_width = vram_module->v9.channel_width;
335 					if (vram_width)
336 						*vram_width = mem_channel_number * (1 << mem_channel_width);
337 					mem_vendor = (vram_module->v9.vender_rev_id) & 0xF;
338 					if (vram_vendor)
339 						*vram_vendor = mem_vendor;
340 					break;
341 				/* v24 */
342 				case 4:
343 					if (module_id > vram_info->v24.vram_module_num)
344 						module_id = 0;
345 					vram_module = (union vram_module *)vram_info->v24.vram_module;
346 					while (i < module_id) {
347 						vram_module = (union vram_module *)
348 							((u8 *)vram_module + vram_module->v10.vram_module_size);
349 						i++;
350 					}
351 					mem_type = vram_module->v10.memory_type;
352 					if (vram_type)
353 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
354 					mem_channel_number = vram_module->v10.channel_num;
355 					mem_channel_width = vram_module->v10.channel_width;
356 					if (vram_width)
357 						*vram_width = mem_channel_number * (1 << mem_channel_width);
358 					mem_vendor = (vram_module->v10.vender_rev_id) & 0xF;
359 					if (vram_vendor)
360 						*vram_vendor = mem_vendor;
361 					break;
362 				/* v25 */
363 				case 5:
364 					if (module_id > vram_info->v25.vram_module_num)
365 						module_id = 0;
366 					vram_module = (union vram_module *)vram_info->v25.vram_module;
367 					while (i < module_id) {
368 						vram_module = (union vram_module *)
369 							((u8 *)vram_module + vram_module->v11.vram_module_size);
370 						i++;
371 					}
372 					mem_type = vram_module->v11.memory_type;
373 					if (vram_type)
374 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
375 					mem_channel_number = vram_module->v11.channel_num;
376 					mem_channel_width = vram_module->v11.channel_width;
377 					if (vram_width)
378 						*vram_width = mem_channel_number * (1 << mem_channel_width);
379 					mem_vendor = (vram_module->v11.vender_rev_id) & 0xF;
380 					if (vram_vendor)
381 						*vram_vendor = mem_vendor;
382 					break;
383 				/* v26 */
384 				case 6:
385 					if (module_id > vram_info->v26.vram_module_num)
386 						module_id = 0;
387 					vram_module = (union vram_module *)vram_info->v26.vram_module;
388 					while (i < module_id) {
389 						vram_module = (union vram_module *)
390 							((u8 *)vram_module + vram_module->v9.vram_module_size);
391 						i++;
392 					}
393 					mem_type = vram_module->v9.memory_type;
394 					if (vram_type)
395 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
396 					mem_channel_number = vram_module->v9.channel_num;
397 					mem_channel_width = vram_module->v9.channel_width;
398 					if (vram_width)
399 						*vram_width = mem_channel_number * (1 << mem_channel_width);
400 					mem_vendor = (vram_module->v9.vender_rev_id) & 0xF;
401 					if (vram_vendor)
402 						*vram_vendor = mem_vendor;
403 					break;
404 				default:
405 					return -EINVAL;
406 				}
407 			} else {
408 				/* invalid frev */
409 				return -EINVAL;
410 			}
411 		}
412 
413 	}
414 
415 	return 0;
416 }
417 
418 /*
419  * Return true if vbios enabled ecc by default, if umc info table is available
420  * or false if ecc is not enabled or umc info table is not available
421  */
422 bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev)
423 {
424 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
425 	int index;
426 	u16 data_offset, size;
427 	union umc_info *umc_info;
428 	u8 frev, crev;
429 	bool ecc_default_enabled = false;
430 	u8 umc_config;
431 	u32 umc_config1;
432 
433 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
434 			umc_info);
435 
436 	if (amdgpu_atom_parse_data_header(mode_info->atom_context,
437 				index, &size, &frev, &crev, &data_offset)) {
438 		if (frev == 3) {
439 			umc_info = (union umc_info *)
440 				(mode_info->atom_context->bios + data_offset);
441 			switch (crev) {
442 			case 1:
443 				umc_config = le32_to_cpu(umc_info->v31.umc_config);
444 				ecc_default_enabled =
445 					(umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false;
446 				break;
447 			case 2:
448 				umc_config = le32_to_cpu(umc_info->v32.umc_config);
449 				ecc_default_enabled =
450 					(umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false;
451 				break;
452 			case 3:
453 				umc_config = le32_to_cpu(umc_info->v33.umc_config);
454 				umc_config1 = le32_to_cpu(umc_info->v33.umc_config1);
455 				ecc_default_enabled =
456 					((umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ||
457 					 (umc_config1 & UMC_CONFIG1__ENABLE_ECC_CAPABLE)) ? true : false;
458 				break;
459 			default:
460 				/* unsupported crev */
461 				return false;
462 			}
463 		}
464 	}
465 
466 	return ecc_default_enabled;
467 }
468 
469 /*
470  * Helper function to query sram ecc capablity
471  *
472  * @adev: amdgpu_device pointer
473  *
474  * Return true if vbios supports sram ecc or false if not
475  */
476 bool amdgpu_atomfirmware_sram_ecc_supported(struct amdgpu_device *adev)
477 {
478 	u32 fw_cap;
479 
480 	fw_cap = adev->mode_info.firmware_flags;
481 
482 	return (fw_cap & ATOM_FIRMWARE_CAP_SRAM_ECC) ? true : false;
483 }
484 
485 /*
486  * Helper function to query dynamic boot config capability
487  *
488  * @adev: amdgpu_device pointer
489  *
490  * Return true if vbios supports dynamic boot config or false if not
491  */
492 bool amdgpu_atomfirmware_dynamic_boot_config_supported(struct amdgpu_device *adev)
493 {
494 	u32 fw_cap;
495 
496 	fw_cap = adev->mode_info.firmware_flags;
497 
498 	return (fw_cap & ATOM_FIRMWARE_CAP_DYNAMIC_BOOT_CFG_ENABLE) ? true : false;
499 }
500 
501 /**
502  * amdgpu_atomfirmware_ras_rom_addr -- Get the RAS EEPROM addr from VBIOS
503  * @adev: amdgpu_device pointer
504  * @i2c_address: pointer to u8; if not NULL, will contain
505  *    the RAS EEPROM address if the function returns true
506  *
507  * Return true if VBIOS supports RAS EEPROM address reporting,
508  * else return false. If true and @i2c_address is not NULL,
509  * will contain the RAS ROM address.
510  */
511 bool amdgpu_atomfirmware_ras_rom_addr(struct amdgpu_device *adev,
512 				      u8 *i2c_address)
513 {
514 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
515 	int index;
516 	u16 data_offset, size;
517 	union firmware_info *firmware_info;
518 	u8 frev, crev;
519 
520 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
521 					    firmwareinfo);
522 
523 	if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context,
524 					  index, &size, &frev, &crev,
525 					  &data_offset)) {
526 		/* support firmware_info 3.4 + */
527 		if ((frev == 3 && crev >=4) || (frev > 3)) {
528 			firmware_info = (union firmware_info *)
529 				(mode_info->atom_context->bios + data_offset);
530 			/* The ras_rom_i2c_slave_addr should ideally
531 			 * be a 19-bit EEPROM address, which would be
532 			 * used as is by the driver; see top of
533 			 * amdgpu_eeprom.c.
534 			 *
535 			 * When this is the case, 0 is of course a
536 			 * valid RAS EEPROM address, in which case,
537 			 * we'll drop the first "if (firm...)" and only
538 			 * leave the check for the pointer.
539 			 *
540 			 * The reason this works right now is because
541 			 * ras_rom_i2c_slave_addr contains the EEPROM
542 			 * device type qualifier 1010b in the top 4
543 			 * bits.
544 			 */
545 			if (firmware_info->v34.ras_rom_i2c_slave_addr) {
546 				if (i2c_address)
547 					*i2c_address = firmware_info->v34.ras_rom_i2c_slave_addr;
548 				return true;
549 			}
550 		}
551 	}
552 
553 	return false;
554 }
555 
556 
557 union smu_info {
558 	struct atom_smu_info_v3_1 v31;
559 };
560 
561 union gfx_info {
562 	struct atom_gfx_info_v2_2 v22;
563 	struct atom_gfx_info_v2_4 v24;
564 	struct atom_gfx_info_v2_7 v27;
565 	struct atom_gfx_info_v3_0 v30;
566 };
567 
568 int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev)
569 {
570 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
571 	struct amdgpu_pll *spll = &adev->clock.spll;
572 	struct amdgpu_pll *mpll = &adev->clock.mpll;
573 	uint8_t frev, crev;
574 	uint16_t data_offset;
575 	int ret = -EINVAL, index;
576 
577 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
578 					    firmwareinfo);
579 	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
580 				   &frev, &crev, &data_offset)) {
581 		union firmware_info *firmware_info =
582 			(union firmware_info *)(mode_info->atom_context->bios +
583 						data_offset);
584 
585 		adev->clock.default_sclk =
586 			le32_to_cpu(firmware_info->v31.bootup_sclk_in10khz);
587 		adev->clock.default_mclk =
588 			le32_to_cpu(firmware_info->v31.bootup_mclk_in10khz);
589 
590 		adev->pm.current_sclk = adev->clock.default_sclk;
591 		adev->pm.current_mclk = adev->clock.default_mclk;
592 
593 		ret = 0;
594 	}
595 
596 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
597 					    smu_info);
598 	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
599 				   &frev, &crev, &data_offset)) {
600 		union smu_info *smu_info =
601 			(union smu_info *)(mode_info->atom_context->bios +
602 					   data_offset);
603 
604 		/* system clock */
605 		spll->reference_freq = le32_to_cpu(smu_info->v31.core_refclk_10khz);
606 
607 		spll->reference_div = 0;
608 		spll->min_post_div = 1;
609 		spll->max_post_div = 1;
610 		spll->min_ref_div = 2;
611 		spll->max_ref_div = 0xff;
612 		spll->min_feedback_div = 4;
613 		spll->max_feedback_div = 0xff;
614 		spll->best_vco = 0;
615 
616 		ret = 0;
617 	}
618 
619 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
620 					    umc_info);
621 	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
622 				   &frev, &crev, &data_offset)) {
623 		union umc_info *umc_info =
624 			(union umc_info *)(mode_info->atom_context->bios +
625 					   data_offset);
626 
627 		/* memory clock */
628 		mpll->reference_freq = le32_to_cpu(umc_info->v31.mem_refclk_10khz);
629 
630 		mpll->reference_div = 0;
631 		mpll->min_post_div = 1;
632 		mpll->max_post_div = 1;
633 		mpll->min_ref_div = 2;
634 		mpll->max_ref_div = 0xff;
635 		mpll->min_feedback_div = 4;
636 		mpll->max_feedback_div = 0xff;
637 		mpll->best_vco = 0;
638 
639 		ret = 0;
640 	}
641 
642 	/* if asic is Navi+, the rlc reference clock is used for system clock
643 	 * from vbios gfx_info table */
644 	if (adev->asic_type >= CHIP_NAVI10) {
645 		index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
646 						   gfx_info);
647 		if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
648 					  &frev, &crev, &data_offset)) {
649 			union gfx_info *gfx_info = (union gfx_info *)
650 				(mode_info->atom_context->bios + data_offset);
651 			if ((frev == 3) ||
652 			    (frev == 2 && crev == 6)) {
653 				spll->reference_freq = le32_to_cpu(gfx_info->v30.golden_tsc_count_lower_refclk);
654 				ret = 0;
655 			} else if ((frev == 2) &&
656 				   (crev >= 2) &&
657 				   (crev != 6)) {
658 				spll->reference_freq = le32_to_cpu(gfx_info->v22.rlc_gpu_timer_refclk);
659 				ret = 0;
660 			} else {
661 				BUG();
662 			}
663 		}
664 	}
665 
666 	return ret;
667 }
668 
669 int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev)
670 {
671 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
672 	int index;
673 	uint8_t frev, crev;
674 	uint16_t data_offset;
675 
676 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
677 					    gfx_info);
678 	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
679 				   &frev, &crev, &data_offset)) {
680 		union gfx_info *gfx_info = (union gfx_info *)
681 			(mode_info->atom_context->bios + data_offset);
682 		if (frev == 2) {
683 			switch (crev) {
684 			case 4:
685 				adev->gfx.config.max_shader_engines = gfx_info->v24.max_shader_engines;
686 				adev->gfx.config.max_cu_per_sh = gfx_info->v24.max_cu_per_sh;
687 				adev->gfx.config.max_sh_per_se = gfx_info->v24.max_sh_per_se;
688 				adev->gfx.config.max_backends_per_se = gfx_info->v24.max_backends_per_se;
689 				adev->gfx.config.max_texture_channel_caches = gfx_info->v24.max_texture_channel_caches;
690 				adev->gfx.config.max_gprs = le16_to_cpu(gfx_info->v24.gc_num_gprs);
691 				adev->gfx.config.max_gs_threads = gfx_info->v24.gc_num_max_gs_thds;
692 				adev->gfx.config.gs_vgt_table_depth = gfx_info->v24.gc_gs_table_depth;
693 				adev->gfx.config.gs_prim_buffer_depth =
694 					le16_to_cpu(gfx_info->v24.gc_gsprim_buff_depth);
695 				adev->gfx.config.double_offchip_lds_buf =
696 					gfx_info->v24.gc_double_offchip_lds_buffer;
697 				adev->gfx.cu_info.wave_front_size = le16_to_cpu(gfx_info->v24.gc_wave_size);
698 				adev->gfx.cu_info.max_waves_per_simd = le16_to_cpu(gfx_info->v24.gc_max_waves_per_simd);
699 				adev->gfx.cu_info.max_scratch_slots_per_cu = gfx_info->v24.gc_max_scratch_slots_per_cu;
700 				adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v24.gc_lds_size);
701 				return 0;
702 			case 7:
703 				adev->gfx.config.max_shader_engines = gfx_info->v27.max_shader_engines;
704 				adev->gfx.config.max_cu_per_sh = gfx_info->v27.max_cu_per_sh;
705 				adev->gfx.config.max_sh_per_se = gfx_info->v27.max_sh_per_se;
706 				adev->gfx.config.max_backends_per_se = gfx_info->v27.max_backends_per_se;
707 				adev->gfx.config.max_texture_channel_caches = gfx_info->v27.max_texture_channel_caches;
708 				adev->gfx.config.max_gprs = le16_to_cpu(gfx_info->v27.gc_num_gprs);
709 				adev->gfx.config.max_gs_threads = gfx_info->v27.gc_num_max_gs_thds;
710 				adev->gfx.config.gs_vgt_table_depth = gfx_info->v27.gc_gs_table_depth;
711 				adev->gfx.config.gs_prim_buffer_depth = le16_to_cpu(gfx_info->v27.gc_gsprim_buff_depth);
712 				adev->gfx.config.double_offchip_lds_buf = gfx_info->v27.gc_double_offchip_lds_buffer;
713 				adev->gfx.cu_info.wave_front_size = le16_to_cpu(gfx_info->v27.gc_wave_size);
714 				adev->gfx.cu_info.max_waves_per_simd = le16_to_cpu(gfx_info->v27.gc_max_waves_per_simd);
715 				adev->gfx.cu_info.max_scratch_slots_per_cu = gfx_info->v27.gc_max_scratch_slots_per_cu;
716 				adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v27.gc_lds_size);
717 				return 0;
718 			default:
719 				return -EINVAL;
720 			}
721 		} else if (frev == 3) {
722 			switch (crev) {
723 			case 0:
724 				adev->gfx.config.max_shader_engines = gfx_info->v30.max_shader_engines;
725 				adev->gfx.config.max_cu_per_sh = gfx_info->v30.max_cu_per_sh;
726 				adev->gfx.config.max_sh_per_se = gfx_info->v30.max_sh_per_se;
727 				adev->gfx.config.max_backends_per_se = gfx_info->v30.max_backends_per_se;
728 				adev->gfx.config.max_texture_channel_caches = gfx_info->v30.max_texture_channel_caches;
729 				return 0;
730 			default:
731 				return -EINVAL;
732 			}
733 		} else {
734 			return -EINVAL;
735 		}
736 
737 	}
738 	return -EINVAL;
739 }
740 
741 /*
742  * Helper function to query two stage mem training capability
743  *
744  * @adev: amdgpu_device pointer
745  *
746  * Return true if two stage mem training is supported or false if not
747  */
748 bool amdgpu_atomfirmware_mem_training_supported(struct amdgpu_device *adev)
749 {
750 	u32 fw_cap;
751 
752 	fw_cap = adev->mode_info.firmware_flags;
753 
754 	return (fw_cap & ATOM_FIRMWARE_CAP_ENABLE_2STAGE_BIST_TRAINING) ? true : false;
755 }
756 
757 int amdgpu_atomfirmware_get_fw_reserved_fb_size(struct amdgpu_device *adev)
758 {
759 	struct atom_context *ctx = adev->mode_info.atom_context;
760 	union firmware_info *firmware_info;
761 	int index;
762 	u16 data_offset, size;
763 	u8 frev, crev;
764 	int fw_reserved_fb_size;
765 
766 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
767 			firmwareinfo);
768 
769 	if (!amdgpu_atom_parse_data_header(ctx, index, &size,
770 				&frev, &crev, &data_offset))
771 		/* fail to parse data_header */
772 		return 0;
773 
774 	firmware_info = (union firmware_info *)(ctx->bios + data_offset);
775 
776 	if (frev !=3)
777 		return -EINVAL;
778 
779 	switch (crev) {
780 	case 4:
781 		fw_reserved_fb_size =
782 			(firmware_info->v34.fw_reserved_size_in_kb << 10);
783 		break;
784 	default:
785 		fw_reserved_fb_size = 0;
786 		break;
787 	}
788 
789 	return fw_reserved_fb_size;
790 }
791 
792 /*
793  * Helper function to execute asic_init table
794  *
795  * @adev: amdgpu_device pointer
796  * @fb_reset: flag to indicate whether fb is reset or not
797  *
798  * Return 0 if succeed, otherwise failed
799  */
800 int amdgpu_atomfirmware_asic_init(struct amdgpu_device *adev, bool fb_reset)
801 {
802 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
803 	struct atom_context *ctx;
804 	uint8_t frev, crev;
805 	uint16_t data_offset;
806 	uint32_t bootup_sclk_in10khz, bootup_mclk_in10khz;
807 	struct asic_init_ps_allocation_v2_1 asic_init_ps_v2_1;
808 	int index;
809 
810 	if (!mode_info)
811 		return -EINVAL;
812 
813 	ctx = mode_info->atom_context;
814 	if (!ctx)
815 		return -EINVAL;
816 
817 	/* query bootup sclk/mclk from firmware_info table */
818 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
819 					    firmwareinfo);
820 	if (amdgpu_atom_parse_data_header(ctx, index, NULL,
821 				&frev, &crev, &data_offset)) {
822 		union firmware_info *firmware_info =
823 			(union firmware_info *)(ctx->bios +
824 						data_offset);
825 
826 		bootup_sclk_in10khz =
827 			le32_to_cpu(firmware_info->v31.bootup_sclk_in10khz);
828 		bootup_mclk_in10khz =
829 			le32_to_cpu(firmware_info->v31.bootup_mclk_in10khz);
830 	} else {
831 		return -EINVAL;
832 	}
833 
834 	index = get_index_into_master_table(atom_master_list_of_command_functions_v2_1,
835                                             asic_init);
836 	if (amdgpu_atom_parse_cmd_header(mode_info->atom_context, index, &frev, &crev)) {
837 		if (frev == 2 && crev >= 1) {
838 			memset(&asic_init_ps_v2_1, 0, sizeof(asic_init_ps_v2_1));
839 			asic_init_ps_v2_1.param.engineparam.sclkfreqin10khz = bootup_sclk_in10khz;
840 			asic_init_ps_v2_1.param.memparam.mclkfreqin10khz = bootup_mclk_in10khz;
841 			asic_init_ps_v2_1.param.engineparam.engineflag = b3NORMAL_ENGINE_INIT;
842 			if (!fb_reset)
843 				asic_init_ps_v2_1.param.memparam.memflag = b3DRAM_SELF_REFRESH_EXIT;
844 			else
845 				asic_init_ps_v2_1.param.memparam.memflag = 0;
846 		} else {
847 			return -EINVAL;
848 		}
849 	} else {
850 		return -EINVAL;
851 	}
852 
853 	return amdgpu_atom_execute_table(ctx, ATOM_CMD_INIT, (uint32_t *)&asic_init_ps_v2_1);
854 }
855