xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c (revision 502892bbd2021fbe20f0d702b6b0bae281a742fa)
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  static int amdgpu_atomfirmware_allocate_fb_v2_1(struct amdgpu_device *adev,
105  	struct vram_usagebyfirmware_v2_1 *fw_usage, int *usage_bytes)
106  {
107  	u32 start_addr, fw_size, drv_size;
108  
109  	start_addr = le32_to_cpu(fw_usage->start_address_in_kb);
110  	fw_size = le16_to_cpu(fw_usage->used_by_firmware_in_kb);
111  	drv_size = le16_to_cpu(fw_usage->used_by_driver_in_kb);
112  
113  	DRM_DEBUG("atom firmware v2_1 requested %08x %dkb fw %dkb drv\n",
114  			  start_addr,
115  			  fw_size,
116  			  drv_size);
117  
118  	if ((start_addr & ATOM_VRAM_OPERATION_FLAGS_MASK) ==
119  		(u32)(ATOM_VRAM_BLOCK_SRIOV_MSG_SHARE_RESERVATION <<
120  		ATOM_VRAM_OPERATION_FLAGS_SHIFT)) {
121  		/* Firmware request VRAM reservation for SR-IOV */
122  		adev->mman.fw_vram_usage_start_offset = (start_addr &
123  			(~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10;
124  		adev->mman.fw_vram_usage_size = fw_size << 10;
125  		/* Use the default scratch size */
126  		*usage_bytes = 0;
127  	} else {
128  		*usage_bytes = drv_size << 10;
129  	}
130  	return 0;
131  }
132  
133  static int amdgpu_atomfirmware_allocate_fb_v2_2(struct amdgpu_device *adev,
134  		struct vram_usagebyfirmware_v2_2 *fw_usage, int *usage_bytes)
135  {
136  	u32 fw_start_addr, fw_size, drv_start_addr, drv_size;
137  
138  	fw_start_addr = le32_to_cpu(fw_usage->fw_region_start_address_in_kb);
139  	fw_size = le16_to_cpu(fw_usage->used_by_firmware_in_kb);
140  
141  	drv_start_addr = le32_to_cpu(fw_usage->driver_region0_start_address_in_kb);
142  	drv_size = le32_to_cpu(fw_usage->used_by_driver_region0_in_kb);
143  
144  	DRM_DEBUG("atom requested fw start at %08x %dkb and drv start at %08x %dkb\n",
145  			  fw_start_addr,
146  			  fw_size,
147  			  drv_start_addr,
148  			  drv_size);
149  
150  	if (amdgpu_sriov_vf(adev) &&
151  	    ((fw_start_addr & (ATOM_VRAM_BLOCK_NEEDS_NO_RESERVATION <<
152  		ATOM_VRAM_OPERATION_FLAGS_SHIFT)) == 0)) {
153  		/* Firmware request VRAM reservation for SR-IOV */
154  		adev->mman.fw_vram_usage_start_offset = (fw_start_addr &
155  			(~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10;
156  		adev->mman.fw_vram_usage_size = fw_size << 10;
157  	}
158  
159  	if (amdgpu_sriov_vf(adev) &&
160  	    ((drv_start_addr & (ATOM_VRAM_BLOCK_NEEDS_NO_RESERVATION <<
161  		ATOM_VRAM_OPERATION_FLAGS_SHIFT)) == 0)) {
162  		/* driver request VRAM reservation for SR-IOV */
163  		adev->mman.drv_vram_usage_start_offset = (drv_start_addr &
164  			(~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10;
165  		adev->mman.drv_vram_usage_size = drv_size << 10;
166  	}
167  
168  	*usage_bytes = 0;
169  	return 0;
170  }
171  
172  int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev)
173  {
174  	struct atom_context *ctx = adev->mode_info.atom_context;
175  	int index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
176  						vram_usagebyfirmware);
177  	struct vram_usagebyfirmware_v2_1 *fw_usage_v2_1;
178  	struct vram_usagebyfirmware_v2_2 *fw_usage_v2_2;
179  	u16 data_offset;
180  	u8 frev, crev;
181  	int usage_bytes = 0;
182  
183  	if (amdgpu_atom_parse_data_header(ctx, index, NULL, &frev, &crev, &data_offset)) {
184  		if (frev == 2 && crev == 1) {
185  			fw_usage_v2_1 =
186  				(struct vram_usagebyfirmware_v2_1 *)(ctx->bios + data_offset);
187  			amdgpu_atomfirmware_allocate_fb_v2_1(adev,
188  					fw_usage_v2_1,
189  					&usage_bytes);
190  		} else if (frev >= 2 && crev >= 2) {
191  			fw_usage_v2_2 =
192  				(struct vram_usagebyfirmware_v2_2 *)(ctx->bios + data_offset);
193  			amdgpu_atomfirmware_allocate_fb_v2_2(adev,
194  					fw_usage_v2_2,
195  					&usage_bytes);
196  		}
197  	}
198  
199  	ctx->scratch_size_bytes = 0;
200  	if (usage_bytes == 0)
201  		usage_bytes = 20 * 1024;
202  	/* allocate some scratch memory */
203  	ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);
204  	if (!ctx->scratch)
205  		return -ENOMEM;
206  	ctx->scratch_size_bytes = usage_bytes;
207  	return 0;
208  }
209  
210  union igp_info {
211  	struct atom_integrated_system_info_v1_11 v11;
212  	struct atom_integrated_system_info_v1_12 v12;
213  	struct atom_integrated_system_info_v2_1 v21;
214  };
215  
216  union umc_info {
217  	struct atom_umc_info_v3_1 v31;
218  	struct atom_umc_info_v3_2 v32;
219  	struct atom_umc_info_v3_3 v33;
220  	struct atom_umc_info_v4_0 v40;
221  };
222  
223  union vram_info {
224  	struct atom_vram_info_header_v2_3 v23;
225  	struct atom_vram_info_header_v2_4 v24;
226  	struct atom_vram_info_header_v2_5 v25;
227  	struct atom_vram_info_header_v2_6 v26;
228  	struct atom_vram_info_header_v3_0 v30;
229  };
230  
231  union vram_module {
232  	struct atom_vram_module_v9 v9;
233  	struct atom_vram_module_v10 v10;
234  	struct atom_vram_module_v11 v11;
235  	struct atom_vram_module_v3_0 v30;
236  };
237  
238  static int convert_atom_mem_type_to_vram_type(struct amdgpu_device *adev,
239  					      int atom_mem_type)
240  {
241  	int vram_type;
242  
243  	if (adev->flags & AMD_IS_APU) {
244  		switch (atom_mem_type) {
245  		case Ddr2MemType:
246  		case LpDdr2MemType:
247  			vram_type = AMDGPU_VRAM_TYPE_DDR2;
248  			break;
249  		case Ddr3MemType:
250  		case LpDdr3MemType:
251  			vram_type = AMDGPU_VRAM_TYPE_DDR3;
252  			break;
253  		case Ddr4MemType:
254  			vram_type = AMDGPU_VRAM_TYPE_DDR4;
255  			break;
256  		case LpDdr4MemType:
257  			vram_type = AMDGPU_VRAM_TYPE_LPDDR4;
258  			break;
259  		case Ddr5MemType:
260  			vram_type = AMDGPU_VRAM_TYPE_DDR5;
261  			break;
262  		case LpDdr5MemType:
263  			vram_type = AMDGPU_VRAM_TYPE_LPDDR5;
264  			break;
265  		default:
266  			vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
267  			break;
268  		}
269  	} else {
270  		switch (atom_mem_type) {
271  		case ATOM_DGPU_VRAM_TYPE_GDDR5:
272  			vram_type = AMDGPU_VRAM_TYPE_GDDR5;
273  			break;
274  		case ATOM_DGPU_VRAM_TYPE_HBM2:
275  		case ATOM_DGPU_VRAM_TYPE_HBM2E:
276  		case ATOM_DGPU_VRAM_TYPE_HBM3:
277  			vram_type = AMDGPU_VRAM_TYPE_HBM;
278  			break;
279  		case ATOM_DGPU_VRAM_TYPE_GDDR6:
280  			vram_type = AMDGPU_VRAM_TYPE_GDDR6;
281  			break;
282  		default:
283  			vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
284  			break;
285  		}
286  	}
287  
288  	return vram_type;
289  }
290  
291  
292  int
293  amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev,
294  				  int *vram_width, int *vram_type,
295  				  int *vram_vendor)
296  {
297  	struct amdgpu_mode_info *mode_info = &adev->mode_info;
298  	int index, i = 0;
299  	u16 data_offset, size;
300  	union igp_info *igp_info;
301  	union vram_info *vram_info;
302  	union vram_module *vram_module;
303  	u8 frev, crev;
304  	u8 mem_type;
305  	u8 mem_vendor;
306  	u32 mem_channel_number;
307  	u32 mem_channel_width;
308  	u32 module_id;
309  
310  	if (adev->flags & AMD_IS_APU)
311  		index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
312  						    integratedsysteminfo);
313  	else
314  		index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
315  						    vram_info);
316  
317  	if (amdgpu_atom_parse_data_header(mode_info->atom_context,
318  					  index, &size,
319  					  &frev, &crev, &data_offset)) {
320  		if (adev->flags & AMD_IS_APU) {
321  			igp_info = (union igp_info *)
322  				(mode_info->atom_context->bios + data_offset);
323  			switch (frev) {
324  			case 1:
325  				switch (crev) {
326  				case 11:
327  				case 12:
328  					mem_channel_number = igp_info->v11.umachannelnumber;
329  					if (!mem_channel_number)
330  						mem_channel_number = 1;
331  					mem_type = igp_info->v11.memorytype;
332  					if (mem_type == LpDdr5MemType)
333  						mem_channel_width = 32;
334  					else
335  						mem_channel_width = 64;
336  					if (vram_width)
337  						*vram_width = mem_channel_number * mem_channel_width;
338  					if (vram_type)
339  						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
340  					break;
341  				default:
342  					return -EINVAL;
343  				}
344  				break;
345  			case 2:
346  				switch (crev) {
347  				case 1:
348  				case 2:
349  					mem_channel_number = igp_info->v21.umachannelnumber;
350  					if (!mem_channel_number)
351  						mem_channel_number = 1;
352  					mem_type = igp_info->v21.memorytype;
353  					if (mem_type == LpDdr5MemType)
354  						mem_channel_width = 32;
355  					else
356  						mem_channel_width = 64;
357  					if (vram_width)
358  						*vram_width = mem_channel_number * mem_channel_width;
359  					if (vram_type)
360  						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
361  					break;
362  				default:
363  					return -EINVAL;
364  				}
365  				break;
366  			default:
367  				return -EINVAL;
368  			}
369  		} else {
370  			vram_info = (union vram_info *)
371  				(mode_info->atom_context->bios + data_offset);
372  			module_id = (RREG32(adev->bios_scratch_reg_offset + 4) & 0x00ff0000) >> 16;
373  			if (frev == 3) {
374  				switch (crev) {
375  				/* v30 */
376  				case 0:
377  					vram_module = (union vram_module *)vram_info->v30.vram_module;
378  					mem_vendor = (vram_module->v30.dram_vendor_id) & 0xF;
379  					if (vram_vendor)
380  						*vram_vendor = mem_vendor;
381  					mem_type = vram_info->v30.memory_type;
382  					if (vram_type)
383  						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
384  					mem_channel_number = vram_info->v30.channel_num;
385  					mem_channel_width = vram_info->v30.channel_width;
386  					if (vram_width)
387  						*vram_width = mem_channel_number * (1 << mem_channel_width);
388  					break;
389  				default:
390  					return -EINVAL;
391  				}
392  			} else if (frev == 2) {
393  				switch (crev) {
394  				/* v23 */
395  				case 3:
396  					if (module_id > vram_info->v23.vram_module_num)
397  						module_id = 0;
398  					vram_module = (union vram_module *)vram_info->v23.vram_module;
399  					while (i < module_id) {
400  						vram_module = (union vram_module *)
401  							((u8 *)vram_module + vram_module->v9.vram_module_size);
402  						i++;
403  					}
404  					mem_type = vram_module->v9.memory_type;
405  					if (vram_type)
406  						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
407  					mem_channel_number = vram_module->v9.channel_num;
408  					mem_channel_width = vram_module->v9.channel_width;
409  					if (vram_width)
410  						*vram_width = mem_channel_number * (1 << mem_channel_width);
411  					mem_vendor = (vram_module->v9.vender_rev_id) & 0xF;
412  					if (vram_vendor)
413  						*vram_vendor = mem_vendor;
414  					break;
415  				/* v24 */
416  				case 4:
417  					if (module_id > vram_info->v24.vram_module_num)
418  						module_id = 0;
419  					vram_module = (union vram_module *)vram_info->v24.vram_module;
420  					while (i < module_id) {
421  						vram_module = (union vram_module *)
422  							((u8 *)vram_module + vram_module->v10.vram_module_size);
423  						i++;
424  					}
425  					mem_type = vram_module->v10.memory_type;
426  					if (vram_type)
427  						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
428  					mem_channel_number = vram_module->v10.channel_num;
429  					mem_channel_width = vram_module->v10.channel_width;
430  					if (vram_width)
431  						*vram_width = mem_channel_number * (1 << mem_channel_width);
432  					mem_vendor = (vram_module->v10.vender_rev_id) & 0xF;
433  					if (vram_vendor)
434  						*vram_vendor = mem_vendor;
435  					break;
436  				/* v25 */
437  				case 5:
438  					if (module_id > vram_info->v25.vram_module_num)
439  						module_id = 0;
440  					vram_module = (union vram_module *)vram_info->v25.vram_module;
441  					while (i < module_id) {
442  						vram_module = (union vram_module *)
443  							((u8 *)vram_module + vram_module->v11.vram_module_size);
444  						i++;
445  					}
446  					mem_type = vram_module->v11.memory_type;
447  					if (vram_type)
448  						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
449  					mem_channel_number = vram_module->v11.channel_num;
450  					mem_channel_width = vram_module->v11.channel_width;
451  					if (vram_width)
452  						*vram_width = mem_channel_number * (1 << mem_channel_width);
453  					mem_vendor = (vram_module->v11.vender_rev_id) & 0xF;
454  					if (vram_vendor)
455  						*vram_vendor = mem_vendor;
456  					break;
457  				/* v26 */
458  				case 6:
459  					if (module_id > vram_info->v26.vram_module_num)
460  						module_id = 0;
461  					vram_module = (union vram_module *)vram_info->v26.vram_module;
462  					while (i < module_id) {
463  						vram_module = (union vram_module *)
464  							((u8 *)vram_module + vram_module->v9.vram_module_size);
465  						i++;
466  					}
467  					mem_type = vram_module->v9.memory_type;
468  					if (vram_type)
469  						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
470  					mem_channel_number = vram_module->v9.channel_num;
471  					mem_channel_width = vram_module->v9.channel_width;
472  					if (vram_width)
473  						*vram_width = mem_channel_number * (1 << mem_channel_width);
474  					mem_vendor = (vram_module->v9.vender_rev_id) & 0xF;
475  					if (vram_vendor)
476  						*vram_vendor = mem_vendor;
477  					break;
478  				default:
479  					return -EINVAL;
480  				}
481  			} else {
482  				/* invalid frev */
483  				return -EINVAL;
484  			}
485  		}
486  
487  	}
488  
489  	return 0;
490  }
491  
492  /*
493   * Return true if vbios enabled ecc by default, if umc info table is available
494   * or false if ecc is not enabled or umc info table is not available
495   */
496  bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev)
497  {
498  	struct amdgpu_mode_info *mode_info = &adev->mode_info;
499  	int index;
500  	u16 data_offset, size;
501  	union umc_info *umc_info;
502  	u8 frev, crev;
503  	bool ecc_default_enabled = false;
504  	u8 umc_config;
505  	u32 umc_config1;
506  
507  	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
508  			umc_info);
509  
510  	if (amdgpu_atom_parse_data_header(mode_info->atom_context,
511  				index, &size, &frev, &crev, &data_offset)) {
512  		umc_info = (union umc_info *)(mode_info->atom_context->bios + data_offset);
513  		if (frev == 3) {
514  			switch (crev) {
515  			case 1:
516  				umc_config = le32_to_cpu(umc_info->v31.umc_config);
517  				ecc_default_enabled =
518  					(umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false;
519  				break;
520  			case 2:
521  				umc_config = le32_to_cpu(umc_info->v32.umc_config);
522  				ecc_default_enabled =
523  					(umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false;
524  				break;
525  			case 3:
526  				umc_config = le32_to_cpu(umc_info->v33.umc_config);
527  				umc_config1 = le32_to_cpu(umc_info->v33.umc_config1);
528  				ecc_default_enabled =
529  					((umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ||
530  					 (umc_config1 & UMC_CONFIG1__ENABLE_ECC_CAPABLE)) ? true : false;
531  				break;
532  			default:
533  				/* unsupported crev */
534  				return false;
535  			}
536  		} else if (frev == 4) {
537  			switch (crev) {
538  			case 0:
539  				umc_config1 = le32_to_cpu(umc_info->v40.umc_config1);
540  				ecc_default_enabled =
541  					(umc_config1 & UMC_CONFIG1__ENABLE_ECC_CAPABLE) ? true : false;
542  				break;
543  			default:
544  				/* unsupported crev */
545  				return false;
546  			}
547  		} else {
548  			/* unsupported frev */
549  			return false;
550  		}
551  	}
552  
553  	return ecc_default_enabled;
554  }
555  
556  /*
557   * Helper function to query sram ecc capablity
558   *
559   * @adev: amdgpu_device pointer
560   *
561   * Return true if vbios supports sram ecc or false if not
562   */
563  bool amdgpu_atomfirmware_sram_ecc_supported(struct amdgpu_device *adev)
564  {
565  	u32 fw_cap;
566  
567  	fw_cap = adev->mode_info.firmware_flags;
568  
569  	return (fw_cap & ATOM_FIRMWARE_CAP_SRAM_ECC) ? true : false;
570  }
571  
572  /*
573   * Helper function to query dynamic boot config capability
574   *
575   * @adev: amdgpu_device pointer
576   *
577   * Return true if vbios supports dynamic boot config or false if not
578   */
579  bool amdgpu_atomfirmware_dynamic_boot_config_supported(struct amdgpu_device *adev)
580  {
581  	u32 fw_cap;
582  
583  	fw_cap = adev->mode_info.firmware_flags;
584  
585  	return (fw_cap & ATOM_FIRMWARE_CAP_DYNAMIC_BOOT_CFG_ENABLE) ? true : false;
586  }
587  
588  /**
589   * amdgpu_atomfirmware_ras_rom_addr -- Get the RAS EEPROM addr from VBIOS
590   * @adev: amdgpu_device pointer
591   * @i2c_address: pointer to u8; if not NULL, will contain
592   *    the RAS EEPROM address if the function returns true
593   *
594   * Return true if VBIOS supports RAS EEPROM address reporting,
595   * else return false. If true and @i2c_address is not NULL,
596   * will contain the RAS ROM address.
597   */
598  bool amdgpu_atomfirmware_ras_rom_addr(struct amdgpu_device *adev,
599  				      u8 *i2c_address)
600  {
601  	struct amdgpu_mode_info *mode_info = &adev->mode_info;
602  	int index;
603  	u16 data_offset, size;
604  	union firmware_info *firmware_info;
605  	u8 frev, crev;
606  
607  	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
608  					    firmwareinfo);
609  
610  	if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context,
611  					  index, &size, &frev, &crev,
612  					  &data_offset)) {
613  		/* support firmware_info 3.4 + */
614  		if ((frev == 3 && crev >= 4) || (frev > 3)) {
615  			firmware_info = (union firmware_info *)
616  				(mode_info->atom_context->bios + data_offset);
617  			/* The ras_rom_i2c_slave_addr should ideally
618  			 * be a 19-bit EEPROM address, which would be
619  			 * used as is by the driver; see top of
620  			 * amdgpu_eeprom.c.
621  			 *
622  			 * When this is the case, 0 is of course a
623  			 * valid RAS EEPROM address, in which case,
624  			 * we'll drop the first "if (firm...)" and only
625  			 * leave the check for the pointer.
626  			 *
627  			 * The reason this works right now is because
628  			 * ras_rom_i2c_slave_addr contains the EEPROM
629  			 * device type qualifier 1010b in the top 4
630  			 * bits.
631  			 */
632  			if (firmware_info->v34.ras_rom_i2c_slave_addr) {
633  				if (i2c_address)
634  					*i2c_address = firmware_info->v34.ras_rom_i2c_slave_addr;
635  				return true;
636  			}
637  		}
638  	}
639  
640  	return false;
641  }
642  
643  
644  union smu_info {
645  	struct atom_smu_info_v3_1 v31;
646  	struct atom_smu_info_v4_0 v40;
647  };
648  
649  union gfx_info {
650  	struct atom_gfx_info_v2_2 v22;
651  	struct atom_gfx_info_v2_4 v24;
652  	struct atom_gfx_info_v2_7 v27;
653  	struct atom_gfx_info_v3_0 v30;
654  };
655  
656  int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev)
657  {
658  	struct amdgpu_mode_info *mode_info = &adev->mode_info;
659  	struct amdgpu_pll *spll = &adev->clock.spll;
660  	struct amdgpu_pll *mpll = &adev->clock.mpll;
661  	uint8_t frev, crev;
662  	uint16_t data_offset;
663  	int ret = -EINVAL, index;
664  
665  	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
666  					    firmwareinfo);
667  	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
668  				   &frev, &crev, &data_offset)) {
669  		union firmware_info *firmware_info =
670  			(union firmware_info *)(mode_info->atom_context->bios +
671  						data_offset);
672  
673  		adev->clock.default_sclk =
674  			le32_to_cpu(firmware_info->v31.bootup_sclk_in10khz);
675  		adev->clock.default_mclk =
676  			le32_to_cpu(firmware_info->v31.bootup_mclk_in10khz);
677  
678  		adev->pm.current_sclk = adev->clock.default_sclk;
679  		adev->pm.current_mclk = adev->clock.default_mclk;
680  
681  		ret = 0;
682  	}
683  
684  	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
685  					    smu_info);
686  	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
687  				   &frev, &crev, &data_offset)) {
688  		union smu_info *smu_info =
689  			(union smu_info *)(mode_info->atom_context->bios +
690  					   data_offset);
691  
692  		/* system clock */
693  		if (frev == 3)
694  			spll->reference_freq = le32_to_cpu(smu_info->v31.core_refclk_10khz);
695  		else if (frev == 4)
696  			spll->reference_freq = le32_to_cpu(smu_info->v40.core_refclk_10khz);
697  
698  		spll->reference_div = 0;
699  		spll->min_post_div = 1;
700  		spll->max_post_div = 1;
701  		spll->min_ref_div = 2;
702  		spll->max_ref_div = 0xff;
703  		spll->min_feedback_div = 4;
704  		spll->max_feedback_div = 0xff;
705  		spll->best_vco = 0;
706  
707  		ret = 0;
708  	}
709  
710  	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
711  					    umc_info);
712  	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
713  				   &frev, &crev, &data_offset)) {
714  		union umc_info *umc_info =
715  			(union umc_info *)(mode_info->atom_context->bios +
716  					   data_offset);
717  
718  		/* memory clock */
719  		mpll->reference_freq = le32_to_cpu(umc_info->v31.mem_refclk_10khz);
720  
721  		mpll->reference_div = 0;
722  		mpll->min_post_div = 1;
723  		mpll->max_post_div = 1;
724  		mpll->min_ref_div = 2;
725  		mpll->max_ref_div = 0xff;
726  		mpll->min_feedback_div = 4;
727  		mpll->max_feedback_div = 0xff;
728  		mpll->best_vco = 0;
729  
730  		ret = 0;
731  	}
732  
733  	/* if asic is Navi+, the rlc reference clock is used for system clock
734  	 * from vbios gfx_info table */
735  	if (adev->asic_type >= CHIP_NAVI10) {
736  		index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
737  						   gfx_info);
738  		if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
739  					  &frev, &crev, &data_offset)) {
740  			union gfx_info *gfx_info = (union gfx_info *)
741  				(mode_info->atom_context->bios + data_offset);
742  			if ((frev == 3) ||
743  			    (frev == 2 && crev == 6)) {
744  				spll->reference_freq = le32_to_cpu(gfx_info->v30.golden_tsc_count_lower_refclk);
745  				ret = 0;
746  			} else if ((frev == 2) &&
747  				   (crev >= 2) &&
748  				   (crev != 6)) {
749  				spll->reference_freq = le32_to_cpu(gfx_info->v22.rlc_gpu_timer_refclk);
750  				ret = 0;
751  			} else {
752  				BUG();
753  			}
754  		}
755  	}
756  
757  	return ret;
758  }
759  
760  int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev)
761  {
762  	struct amdgpu_mode_info *mode_info = &adev->mode_info;
763  	int index;
764  	uint8_t frev, crev;
765  	uint16_t data_offset;
766  
767  	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
768  					    gfx_info);
769  	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
770  				   &frev, &crev, &data_offset)) {
771  		union gfx_info *gfx_info = (union gfx_info *)
772  			(mode_info->atom_context->bios + data_offset);
773  		if (frev == 2) {
774  			switch (crev) {
775  			case 4:
776  				adev->gfx.config.max_shader_engines = gfx_info->v24.max_shader_engines;
777  				adev->gfx.config.max_cu_per_sh = gfx_info->v24.max_cu_per_sh;
778  				adev->gfx.config.max_sh_per_se = gfx_info->v24.max_sh_per_se;
779  				adev->gfx.config.max_backends_per_se = gfx_info->v24.max_backends_per_se;
780  				adev->gfx.config.max_texture_channel_caches = gfx_info->v24.max_texture_channel_caches;
781  				adev->gfx.config.max_gprs = le16_to_cpu(gfx_info->v24.gc_num_gprs);
782  				adev->gfx.config.max_gs_threads = gfx_info->v24.gc_num_max_gs_thds;
783  				adev->gfx.config.gs_vgt_table_depth = gfx_info->v24.gc_gs_table_depth;
784  				adev->gfx.config.gs_prim_buffer_depth =
785  					le16_to_cpu(gfx_info->v24.gc_gsprim_buff_depth);
786  				adev->gfx.config.double_offchip_lds_buf =
787  					gfx_info->v24.gc_double_offchip_lds_buffer;
788  				adev->gfx.cu_info.wave_front_size = le16_to_cpu(gfx_info->v24.gc_wave_size);
789  				adev->gfx.cu_info.max_waves_per_simd = le16_to_cpu(gfx_info->v24.gc_max_waves_per_simd);
790  				adev->gfx.cu_info.max_scratch_slots_per_cu = gfx_info->v24.gc_max_scratch_slots_per_cu;
791  				adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v24.gc_lds_size);
792  				return 0;
793  			case 7:
794  				adev->gfx.config.max_shader_engines = gfx_info->v27.max_shader_engines;
795  				adev->gfx.config.max_cu_per_sh = gfx_info->v27.max_cu_per_sh;
796  				adev->gfx.config.max_sh_per_se = gfx_info->v27.max_sh_per_se;
797  				adev->gfx.config.max_backends_per_se = gfx_info->v27.max_backends_per_se;
798  				adev->gfx.config.max_texture_channel_caches = gfx_info->v27.max_texture_channel_caches;
799  				adev->gfx.config.max_gprs = le16_to_cpu(gfx_info->v27.gc_num_gprs);
800  				adev->gfx.config.max_gs_threads = gfx_info->v27.gc_num_max_gs_thds;
801  				adev->gfx.config.gs_vgt_table_depth = gfx_info->v27.gc_gs_table_depth;
802  				adev->gfx.config.gs_prim_buffer_depth = le16_to_cpu(gfx_info->v27.gc_gsprim_buff_depth);
803  				adev->gfx.config.double_offchip_lds_buf = gfx_info->v27.gc_double_offchip_lds_buffer;
804  				adev->gfx.cu_info.wave_front_size = le16_to_cpu(gfx_info->v27.gc_wave_size);
805  				adev->gfx.cu_info.max_waves_per_simd = le16_to_cpu(gfx_info->v27.gc_max_waves_per_simd);
806  				adev->gfx.cu_info.max_scratch_slots_per_cu = gfx_info->v27.gc_max_scratch_slots_per_cu;
807  				adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v27.gc_lds_size);
808  				return 0;
809  			default:
810  				return -EINVAL;
811  			}
812  		} else if (frev == 3) {
813  			switch (crev) {
814  			case 0:
815  				adev->gfx.config.max_shader_engines = gfx_info->v30.max_shader_engines;
816  				adev->gfx.config.max_cu_per_sh = gfx_info->v30.max_cu_per_sh;
817  				adev->gfx.config.max_sh_per_se = gfx_info->v30.max_sh_per_se;
818  				adev->gfx.config.max_backends_per_se = gfx_info->v30.max_backends_per_se;
819  				adev->gfx.config.max_texture_channel_caches = gfx_info->v30.max_texture_channel_caches;
820  				return 0;
821  			default:
822  				return -EINVAL;
823  			}
824  		} else {
825  			return -EINVAL;
826  		}
827  
828  	}
829  	return -EINVAL;
830  }
831  
832  /*
833   * Helper function to query two stage mem training capability
834   *
835   * @adev: amdgpu_device pointer
836   *
837   * Return true if two stage mem training is supported or false if not
838   */
839  bool amdgpu_atomfirmware_mem_training_supported(struct amdgpu_device *adev)
840  {
841  	u32 fw_cap;
842  
843  	fw_cap = adev->mode_info.firmware_flags;
844  
845  	return (fw_cap & ATOM_FIRMWARE_CAP_ENABLE_2STAGE_BIST_TRAINING) ? true : false;
846  }
847  
848  int amdgpu_atomfirmware_get_fw_reserved_fb_size(struct amdgpu_device *adev)
849  {
850  	struct atom_context *ctx = adev->mode_info.atom_context;
851  	union firmware_info *firmware_info;
852  	int index;
853  	u16 data_offset, size;
854  	u8 frev, crev;
855  	int fw_reserved_fb_size;
856  
857  	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
858  			firmwareinfo);
859  
860  	if (!amdgpu_atom_parse_data_header(ctx, index, &size,
861  				&frev, &crev, &data_offset))
862  		/* fail to parse data_header */
863  		return 0;
864  
865  	firmware_info = (union firmware_info *)(ctx->bios + data_offset);
866  
867  	if (frev != 3)
868  		return -EINVAL;
869  
870  	switch (crev) {
871  	case 4:
872  		fw_reserved_fb_size =
873  			(firmware_info->v34.fw_reserved_size_in_kb << 10);
874  		break;
875  	default:
876  		fw_reserved_fb_size = 0;
877  		break;
878  	}
879  
880  	return fw_reserved_fb_size;
881  }
882  
883  /*
884   * Helper function to execute asic_init table
885   *
886   * @adev: amdgpu_device pointer
887   * @fb_reset: flag to indicate whether fb is reset or not
888   *
889   * Return 0 if succeed, otherwise failed
890   */
891  int amdgpu_atomfirmware_asic_init(struct amdgpu_device *adev, bool fb_reset)
892  {
893  	struct amdgpu_mode_info *mode_info = &adev->mode_info;
894  	struct atom_context *ctx;
895  	uint8_t frev, crev;
896  	uint16_t data_offset;
897  	uint32_t bootup_sclk_in10khz, bootup_mclk_in10khz;
898  	struct asic_init_ps_allocation_v2_1 asic_init_ps_v2_1;
899  	int index;
900  
901  	if (!mode_info)
902  		return -EINVAL;
903  
904  	ctx = mode_info->atom_context;
905  	if (!ctx)
906  		return -EINVAL;
907  
908  	/* query bootup sclk/mclk from firmware_info table */
909  	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
910  					    firmwareinfo);
911  	if (amdgpu_atom_parse_data_header(ctx, index, NULL,
912  				&frev, &crev, &data_offset)) {
913  		union firmware_info *firmware_info =
914  			(union firmware_info *)(ctx->bios +
915  						data_offset);
916  
917  		bootup_sclk_in10khz =
918  			le32_to_cpu(firmware_info->v31.bootup_sclk_in10khz);
919  		bootup_mclk_in10khz =
920  			le32_to_cpu(firmware_info->v31.bootup_mclk_in10khz);
921  	} else {
922  		return -EINVAL;
923  	}
924  
925  	index = get_index_into_master_table(atom_master_list_of_command_functions_v2_1,
926  					asic_init);
927  	if (amdgpu_atom_parse_cmd_header(mode_info->atom_context, index, &frev, &crev)) {
928  		if (frev == 2 && crev >= 1) {
929  			memset(&asic_init_ps_v2_1, 0, sizeof(asic_init_ps_v2_1));
930  			asic_init_ps_v2_1.param.engineparam.sclkfreqin10khz = bootup_sclk_in10khz;
931  			asic_init_ps_v2_1.param.memparam.mclkfreqin10khz = bootup_mclk_in10khz;
932  			asic_init_ps_v2_1.param.engineparam.engineflag = b3NORMAL_ENGINE_INIT;
933  			if (!fb_reset)
934  				asic_init_ps_v2_1.param.memparam.memflag = b3DRAM_SELF_REFRESH_EXIT;
935  			else
936  				asic_init_ps_v2_1.param.memparam.memflag = 0;
937  		} else {
938  			return -EINVAL;
939  		}
940  	} else {
941  		return -EINVAL;
942  	}
943  
944  	return amdgpu_atom_execute_table(ctx, ATOM_CMD_INIT, (uint32_t *)&asic_init_ps_v2_1,
945  		sizeof(asic_init_ps_v2_1));
946  }
947