xref: /dragonfly/sys/dev/drm/amd/powerplay/smumgr/smu7_smumgr.c (revision 789731325bde747251c28a37e0a00ed4efb88c46)
1 /*
2  * Copyright 2015 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 
25 #include "pp_debug.h"
26 #include "smumgr.h"
27 #include "smu_ucode_xfer_vi.h"
28 #include "ppatomctrl.h"
29 #include "cgs_common.h"
30 #include "smu7_ppsmc.h"
31 #include "smu7_smumgr.h"
32 #include "smu7_common.h"
33 
34 #include "polaris10_pwrvirus.h"
35 
36 #define SMU7_SMC_SIZE 0x20000
37 
smu7_set_smc_sram_address(struct pp_hwmgr * hwmgr,uint32_t smc_addr,uint32_t limit)38 static int smu7_set_smc_sram_address(struct pp_hwmgr *hwmgr, uint32_t smc_addr, uint32_t limit)
39 {
40           PP_ASSERT_WITH_CODE((0 == (3 & smc_addr)), "SMC address must be 4 byte aligned.", return -EINVAL);
41           PP_ASSERT_WITH_CODE((limit > (smc_addr + 3)), "SMC addr is beyond the SMC RAM area.", return -EINVAL);
42 
43           cgs_write_register(hwmgr->device, mmSMC_IND_INDEX_11, smc_addr);
44           PHM_WRITE_FIELD(hwmgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_11, 0); /* on ci, SMC_IND_ACCESS_CNTL is different */
45           return 0;
46 }
47 
48 
smu7_copy_bytes_from_smc(struct pp_hwmgr * hwmgr,uint32_t smc_start_address,uint32_t * dest,uint32_t byte_count,uint32_t limit)49 int smu7_copy_bytes_from_smc(struct pp_hwmgr *hwmgr, uint32_t smc_start_address, uint32_t *dest, uint32_t byte_count, uint32_t limit)
50 {
51           uint32_t data;
52           uint32_t addr;
53           uint8_t *dest_byte;
54           uint8_t i, data_byte[4] = {0};
55           uint32_t *pdata = (uint32_t *)&data_byte;
56 
57           PP_ASSERT_WITH_CODE((0 == (3 & smc_start_address)), "SMC address must be 4 byte aligned.", return -EINVAL);
58           PP_ASSERT_WITH_CODE((limit > (smc_start_address + byte_count)), "SMC address is beyond the SMC RAM area.", return -EINVAL);
59 
60           addr = smc_start_address;
61 
62           while (byte_count >= 4) {
63                     smu7_read_smc_sram_dword(hwmgr, addr, &data, limit);
64 
65                     *dest = PP_SMC_TO_HOST_UL(data);
66 
67                     dest += 1;
68                     byte_count -= 4;
69                     addr += 4;
70           }
71 
72           if (byte_count) {
73                     smu7_read_smc_sram_dword(hwmgr, addr, &data, limit);
74                     *pdata = PP_SMC_TO_HOST_UL(data);
75           /* Cast dest into byte type in dest_byte.  This way, we don't overflow if the allocated memory is not 4-byte aligned. */
76                     dest_byte = (uint8_t *)dest;
77                     for (i = 0; i < byte_count; i++)
78                               dest_byte[i] = data_byte[i];
79           }
80 
81           return 0;
82 }
83 
84 
smu7_copy_bytes_to_smc(struct pp_hwmgr * hwmgr,uint32_t smc_start_address,const uint8_t * src,uint32_t byte_count,uint32_t limit)85 int smu7_copy_bytes_to_smc(struct pp_hwmgr *hwmgr, uint32_t smc_start_address,
86                                         const uint8_t *src, uint32_t byte_count, uint32_t limit)
87 {
88           int result;
89           uint32_t data = 0;
90           uint32_t original_data;
91           uint32_t addr = 0;
92           uint32_t extra_shift;
93 
94           PP_ASSERT_WITH_CODE((0 == (3 & smc_start_address)), "SMC address must be 4 byte aligned.", return -EINVAL);
95           PP_ASSERT_WITH_CODE((limit > (smc_start_address + byte_count)), "SMC address is beyond the SMC RAM area.", return -EINVAL);
96 
97           addr = smc_start_address;
98 
99           while (byte_count >= 4) {
100           /* Bytes are written into the SMC addres space with the MSB first. */
101                     data = src[0] * 0x1000000 + src[1] * 0x10000 + src[2] * 0x100 + src[3];
102 
103                     result = smu7_set_smc_sram_address(hwmgr, addr, limit);
104 
105                     if (0 != result)
106                               return result;
107 
108                     cgs_write_register(hwmgr->device, mmSMC_IND_DATA_11, data);
109 
110                     src += 4;
111                     byte_count -= 4;
112                     addr += 4;
113           }
114 
115           if (0 != byte_count) {
116 
117                     data = 0;
118 
119                     result = smu7_set_smc_sram_address(hwmgr, addr, limit);
120 
121                     if (0 != result)
122                               return result;
123 
124 
125                     original_data = cgs_read_register(hwmgr->device, mmSMC_IND_DATA_11);
126 
127                     extra_shift = 8 * (4 - byte_count);
128 
129                     while (byte_count > 0) {
130                               /* Bytes are written into the SMC addres space with the MSB first. */
131                               data = (0x100 * data) + *src++;
132                               byte_count--;
133                     }
134 
135                     data <<= extra_shift;
136 
137                     data |= (original_data & ~((~0UL) << extra_shift));
138 
139                     result = smu7_set_smc_sram_address(hwmgr, addr, limit);
140 
141                     if (0 != result)
142                               return result;
143 
144                     cgs_write_register(hwmgr->device, mmSMC_IND_DATA_11, data);
145           }
146 
147           return 0;
148 }
149 
150 
smu7_program_jump_on_start(struct pp_hwmgr * hwmgr)151 int smu7_program_jump_on_start(struct pp_hwmgr *hwmgr)
152 {
153           static const unsigned char data[4] = { 0xE0, 0x00, 0x80, 0x40 };
154 
155           smu7_copy_bytes_to_smc(hwmgr, 0x0, data, 4, sizeof(data)+1);
156 
157           return 0;
158 }
159 
smu7_is_smc_ram_running(struct pp_hwmgr * hwmgr)160 bool smu7_is_smc_ram_running(struct pp_hwmgr *hwmgr)
161 {
162           return ((0 == PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SMC_SYSCON_CLOCK_CNTL_0, ck_disable))
163           && (0x20100 <= cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixSMC_PC_C)));
164 }
165 
smu7_send_msg_to_smc(struct pp_hwmgr * hwmgr,uint16_t msg)166 int smu7_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg)
167 {
168           int ret;
169 
170           PHM_WAIT_FIELD_UNEQUAL(hwmgr, SMC_RESP_0, SMC_RESP, 0);
171 
172           ret = PHM_READ_FIELD(hwmgr->device, SMC_RESP_0, SMC_RESP);
173 
174           if (ret == 0xFE)
175                     pr_debug("last message was not supported\n");
176           else if (ret != 1)
177                     pr_info("\n last message was failed ret is %d\n", ret);
178 
179           cgs_write_register(hwmgr->device, mmSMC_RESP_0, 0);
180           cgs_write_register(hwmgr->device, mmSMC_MESSAGE_0, msg);
181 
182           PHM_WAIT_FIELD_UNEQUAL(hwmgr, SMC_RESP_0, SMC_RESP, 0);
183 
184           ret = PHM_READ_FIELD(hwmgr->device, SMC_RESP_0, SMC_RESP);
185 
186           if (ret == 0xFE)
187                     pr_debug("message %x was not supported\n", msg);
188           else if (ret != 1)
189                     pr_info("\n failed to send message %x ret is %d \n",  msg, ret);
190 
191           return 0;
192 }
193 
smu7_send_msg_to_smc_without_waiting(struct pp_hwmgr * hwmgr,uint16_t msg)194 int smu7_send_msg_to_smc_without_waiting(struct pp_hwmgr *hwmgr, uint16_t msg)
195 {
196           cgs_write_register(hwmgr->device, mmSMC_MESSAGE_0, msg);
197 
198           return 0;
199 }
200 
smu7_send_msg_to_smc_with_parameter(struct pp_hwmgr * hwmgr,uint16_t msg,uint32_t parameter)201 int smu7_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr, uint16_t msg, uint32_t parameter)
202 {
203           PHM_WAIT_FIELD_UNEQUAL(hwmgr, SMC_RESP_0, SMC_RESP, 0);
204 
205           cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, parameter);
206 
207           return smu7_send_msg_to_smc(hwmgr, msg);
208 }
209 
smu7_send_msg_to_smc_with_parameter_without_waiting(struct pp_hwmgr * hwmgr,uint16_t msg,uint32_t parameter)210 int smu7_send_msg_to_smc_with_parameter_without_waiting(struct pp_hwmgr *hwmgr, uint16_t msg, uint32_t parameter)
211 {
212           cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, parameter);
213 
214           return smu7_send_msg_to_smc_without_waiting(hwmgr, msg);
215 }
216 
smu7_send_msg_to_smc_offset(struct pp_hwmgr * hwmgr)217 int smu7_send_msg_to_smc_offset(struct pp_hwmgr *hwmgr)
218 {
219           cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, 0x20000);
220 
221           cgs_write_register(hwmgr->device, mmSMC_MESSAGE_0, PPSMC_MSG_Test);
222 
223           PHM_WAIT_FIELD_UNEQUAL(hwmgr, SMC_RESP_0, SMC_RESP, 0);
224 
225           if (1 != PHM_READ_FIELD(hwmgr->device, SMC_RESP_0, SMC_RESP))
226                     pr_info("Failed to send Message.\n");
227 
228           return 0;
229 }
230 
smu7_convert_fw_type_to_cgs(uint32_t fw_type)231 enum cgs_ucode_id smu7_convert_fw_type_to_cgs(uint32_t fw_type)
232 {
233           enum cgs_ucode_id result = CGS_UCODE_ID_MAXIMUM;
234 
235           switch (fw_type) {
236           case UCODE_ID_SMU:
237                     result = CGS_UCODE_ID_SMU;
238                     break;
239           case UCODE_ID_SMU_SK:
240                     result = CGS_UCODE_ID_SMU_SK;
241                     break;
242           case UCODE_ID_SDMA0:
243                     result = CGS_UCODE_ID_SDMA0;
244                     break;
245           case UCODE_ID_SDMA1:
246                     result = CGS_UCODE_ID_SDMA1;
247                     break;
248           case UCODE_ID_CP_CE:
249                     result = CGS_UCODE_ID_CP_CE;
250                     break;
251           case UCODE_ID_CP_PFP:
252                     result = CGS_UCODE_ID_CP_PFP;
253                     break;
254           case UCODE_ID_CP_ME:
255                     result = CGS_UCODE_ID_CP_ME;
256                     break;
257           case UCODE_ID_CP_MEC:
258                     result = CGS_UCODE_ID_CP_MEC;
259                     break;
260           case UCODE_ID_CP_MEC_JT1:
261                     result = CGS_UCODE_ID_CP_MEC_JT1;
262                     break;
263           case UCODE_ID_CP_MEC_JT2:
264                     result = CGS_UCODE_ID_CP_MEC_JT2;
265                     break;
266           case UCODE_ID_RLC_G:
267                     result = CGS_UCODE_ID_RLC_G;
268                     break;
269           case UCODE_ID_MEC_STORAGE:
270                     result = CGS_UCODE_ID_STORAGE;
271                     break;
272           default:
273                     break;
274           }
275 
276           return result;
277 }
278 
279 
smu7_read_smc_sram_dword(struct pp_hwmgr * hwmgr,uint32_t smc_addr,uint32_t * value,uint32_t limit)280 int smu7_read_smc_sram_dword(struct pp_hwmgr *hwmgr, uint32_t smc_addr, uint32_t *value, uint32_t limit)
281 {
282           int result;
283 
284           result = smu7_set_smc_sram_address(hwmgr, smc_addr, limit);
285 
286           *value = result ? 0 : cgs_read_register(hwmgr->device, mmSMC_IND_DATA_11);
287 
288           return result;
289 }
290 
smu7_write_smc_sram_dword(struct pp_hwmgr * hwmgr,uint32_t smc_addr,uint32_t value,uint32_t limit)291 int smu7_write_smc_sram_dword(struct pp_hwmgr *hwmgr, uint32_t smc_addr, uint32_t value, uint32_t limit)
292 {
293           int result;
294 
295           result = smu7_set_smc_sram_address(hwmgr, smc_addr, limit);
296 
297           if (result)
298                     return result;
299 
300           cgs_write_register(hwmgr->device, mmSMC_IND_DATA_11, value);
301 
302           return 0;
303 }
304 
305 /* Convert the firmware type to SMU type mask. For MEC, we need to check all MEC related type */
306 
smu7_get_mask_for_firmware_type(uint32_t fw_type)307 static uint32_t smu7_get_mask_for_firmware_type(uint32_t fw_type)
308 {
309           uint32_t result = 0;
310 
311           switch (fw_type) {
312           case UCODE_ID_SDMA0:
313                     result = UCODE_ID_SDMA0_MASK;
314                     break;
315           case UCODE_ID_SDMA1:
316                     result = UCODE_ID_SDMA1_MASK;
317                     break;
318           case UCODE_ID_CP_CE:
319                     result = UCODE_ID_CP_CE_MASK;
320                     break;
321           case UCODE_ID_CP_PFP:
322                     result = UCODE_ID_CP_PFP_MASK;
323                     break;
324           case UCODE_ID_CP_ME:
325                     result = UCODE_ID_CP_ME_MASK;
326                     break;
327           case UCODE_ID_CP_MEC:
328           case UCODE_ID_CP_MEC_JT1:
329           case UCODE_ID_CP_MEC_JT2:
330                     result = UCODE_ID_CP_MEC_MASK;
331                     break;
332           case UCODE_ID_RLC_G:
333                     result = UCODE_ID_RLC_G_MASK;
334                     break;
335           default:
336                     pr_info("UCode type is out of range! \n");
337                     result = 0;
338           }
339 
340           return result;
341 }
342 
smu7_populate_single_firmware_entry(struct pp_hwmgr * hwmgr,uint32_t fw_type,struct SMU_Entry * entry)343 static int smu7_populate_single_firmware_entry(struct pp_hwmgr *hwmgr,
344                                                             uint32_t fw_type,
345                                                             struct SMU_Entry *entry)
346 {
347           int result = 0;
348           struct cgs_firmware_info info = {0};
349 
350           result = cgs_get_firmware_info(hwmgr->device,
351                                         smu7_convert_fw_type_to_cgs(fw_type),
352                                         &info);
353 
354           if (!result) {
355                     entry->version = info.fw_version;
356                     entry->id = (uint16_t)fw_type;
357                     entry->image_addr_high = upper_32_bits(info.mc_addr);
358                     entry->image_addr_low = lower_32_bits(info.mc_addr);
359                     entry->meta_data_addr_high = 0;
360                     entry->meta_data_addr_low = 0;
361 
362                     /* digest need be excluded out */
363                     if (!hwmgr->not_vf)
364                               info.image_size -= 20;
365                     entry->data_size_byte = info.image_size;
366                     entry->num_register_entries = 0;
367           }
368 
369           if ((fw_type == UCODE_ID_RLC_G)
370                     || (fw_type == UCODE_ID_CP_MEC))
371                     entry->flags = 1;
372           else
373                     entry->flags = 0;
374 
375           return 0;
376 }
377 
smu7_request_smu_load_fw(struct pp_hwmgr * hwmgr)378 int smu7_request_smu_load_fw(struct pp_hwmgr *hwmgr)
379 {
380           struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
381           uint32_t fw_to_load;
382           int r = 0;
383 
384           if (!hwmgr->reload_fw) {
385                     pr_info("skip reloading...\n");
386                     return 0;
387           }
388 
389           if (smu_data->soft_regs_start)
390                     cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
391                                                   smu_data->soft_regs_start + smum_get_offsetof(hwmgr,
392                                                   SMU_SoftRegisters, UcodeLoadStatus),
393                                                   0x0);
394 
395           if (hwmgr->chip_id > CHIP_TOPAZ) { /* add support for Topaz */
396                     if (hwmgr->not_vf) {
397                               smu7_send_msg_to_smc_with_parameter(hwmgr,
398                                                             PPSMC_MSG_SMU_DRAM_ADDR_HI,
399                                                             upper_32_bits(smu_data->smu_buffer.mc_addr));
400                               smu7_send_msg_to_smc_with_parameter(hwmgr,
401                                                             PPSMC_MSG_SMU_DRAM_ADDR_LO,
402                                                             lower_32_bits(smu_data->smu_buffer.mc_addr));
403                     }
404                     fw_to_load = UCODE_ID_RLC_G_MASK
405                                  + UCODE_ID_SDMA0_MASK
406                                  + UCODE_ID_SDMA1_MASK
407                                  + UCODE_ID_CP_CE_MASK
408                                  + UCODE_ID_CP_ME_MASK
409                                  + UCODE_ID_CP_PFP_MASK
410                                  + UCODE_ID_CP_MEC_MASK;
411           } else {
412                     fw_to_load = UCODE_ID_RLC_G_MASK
413                                  + UCODE_ID_SDMA0_MASK
414                                  + UCODE_ID_SDMA1_MASK
415                                  + UCODE_ID_CP_CE_MASK
416                                  + UCODE_ID_CP_ME_MASK
417                                  + UCODE_ID_CP_PFP_MASK
418                                  + UCODE_ID_CP_MEC_MASK
419                                  + UCODE_ID_CP_MEC_JT1_MASK
420                                  + UCODE_ID_CP_MEC_JT2_MASK;
421           }
422 
423           if (!smu_data->toc) {
424                     struct SMU_DRAMData_TOC *toc;
425 
426                     smu_data->toc = kzalloc(sizeof(struct SMU_DRAMData_TOC), GFP_KERNEL);
427                     if (!smu_data->toc)
428                               return -ENOMEM;
429                     toc = smu_data->toc;
430                     toc->num_entries = 0;
431                     toc->structure_version = 1;
432 
433                     PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
434                                         UCODE_ID_RLC_G, &toc->entry[toc->num_entries++]),
435                                         "Failed to Get Firmware Entry.", r = -EINVAL; goto failed);
436                     PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
437                                         UCODE_ID_CP_CE, &toc->entry[toc->num_entries++]),
438                                         "Failed to Get Firmware Entry.", r = -EINVAL; goto failed);
439                     PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
440                                         UCODE_ID_CP_PFP, &toc->entry[toc->num_entries++]),
441                                         "Failed to Get Firmware Entry.", r = -EINVAL; goto failed);
442                     PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
443                                         UCODE_ID_CP_ME, &toc->entry[toc->num_entries++]),
444                                         "Failed to Get Firmware Entry.", r = -EINVAL; goto failed);
445                     PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
446                                         UCODE_ID_CP_MEC, &toc->entry[toc->num_entries++]),
447                                         "Failed to Get Firmware Entry.", r = -EINVAL; goto failed);
448                     PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
449                                         UCODE_ID_CP_MEC_JT1, &toc->entry[toc->num_entries++]),
450                                         "Failed to Get Firmware Entry.", r = -EINVAL; goto failed);
451                     PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
452                                         UCODE_ID_CP_MEC_JT2, &toc->entry[toc->num_entries++]),
453                                         "Failed to Get Firmware Entry.", r = -EINVAL; goto failed);
454                     PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
455                                         UCODE_ID_SDMA0, &toc->entry[toc->num_entries++]),
456                                         "Failed to Get Firmware Entry.", r = -EINVAL; goto failed);
457                     PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
458                                         UCODE_ID_SDMA1, &toc->entry[toc->num_entries++]),
459                                         "Failed to Get Firmware Entry.", r = -EINVAL; goto failed);
460                     if (!hwmgr->not_vf)
461                               PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
462                                         UCODE_ID_MEC_STORAGE, &toc->entry[toc->num_entries++]),
463                                         "Failed to Get Firmware Entry.", r = -EINVAL; goto failed);
464           }
465           memcpy_toio(smu_data->header_buffer.kaddr, smu_data->toc,
466                         sizeof(struct SMU_DRAMData_TOC));
467           smu7_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_DRV_DRAM_ADDR_HI, upper_32_bits(smu_data->header_buffer.mc_addr));
468           smu7_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_DRV_DRAM_ADDR_LO, lower_32_bits(smu_data->header_buffer.mc_addr));
469 
470           if (smu7_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_LoadUcodes, fw_to_load))
471                     pr_err("Fail to Request SMU Load uCode");
472 
473           return r;
474 
475 failed:
476           kfree(smu_data->toc);
477           smu_data->toc = NULL;
478           return r;
479 }
480 
481 /* Check if the FW has been loaded, SMU will not return if loading has not finished. */
smu7_check_fw_load_finish(struct pp_hwmgr * hwmgr,uint32_t fw_type)482 int smu7_check_fw_load_finish(struct pp_hwmgr *hwmgr, uint32_t fw_type)
483 {
484           struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
485           uint32_t fw_mask = smu7_get_mask_for_firmware_type(fw_type);
486           uint32_t ret;
487 
488           ret = phm_wait_on_indirect_register(hwmgr, mmSMC_IND_INDEX_11,
489                                                   smu_data->soft_regs_start + smum_get_offsetof(hwmgr,
490                                                   SMU_SoftRegisters, UcodeLoadStatus),
491                                                   fw_mask, fw_mask);
492           return ret;
493 }
494 
smu7_reload_firmware(struct pp_hwmgr * hwmgr)495 int smu7_reload_firmware(struct pp_hwmgr *hwmgr)
496 {
497           return hwmgr->smumgr_funcs->start_smu(hwmgr);
498 }
499 
smu7_upload_smc_firmware_data(struct pp_hwmgr * hwmgr,uint32_t length,uint32_t * src,uint32_t limit)500 static int smu7_upload_smc_firmware_data(struct pp_hwmgr *hwmgr, uint32_t length, uint32_t *src, uint32_t limit)
501 {
502           uint32_t byte_count = length;
503 
504           PP_ASSERT_WITH_CODE((limit >= byte_count), "SMC address is beyond the SMC RAM area.", return -EINVAL);
505 
506           cgs_write_register(hwmgr->device, mmSMC_IND_INDEX_11, 0x20000);
507           PHM_WRITE_FIELD(hwmgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_11, 1);
508 
509           for (; byte_count >= 4; byte_count -= 4)
510                     cgs_write_register(hwmgr->device, mmSMC_IND_DATA_11, *src++);
511 
512           PHM_WRITE_FIELD(hwmgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_11, 0);
513 
514           PP_ASSERT_WITH_CODE((0 == byte_count), "SMC size must be divisible by 4.", return -EINVAL);
515 
516           return 0;
517 }
518 
519 
smu7_upload_smu_firmware_image(struct pp_hwmgr * hwmgr)520 int smu7_upload_smu_firmware_image(struct pp_hwmgr *hwmgr)
521 {
522           int result = 0;
523           struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
524 
525           struct cgs_firmware_info info = {0};
526 
527           if (smu_data->security_hard_key == 1)
528                     cgs_get_firmware_info(hwmgr->device,
529                               smu7_convert_fw_type_to_cgs(UCODE_ID_SMU), &info);
530           else
531                     cgs_get_firmware_info(hwmgr->device,
532                               smu7_convert_fw_type_to_cgs(UCODE_ID_SMU_SK), &info);
533 
534           hwmgr->is_kicker = info.is_kicker;
535           hwmgr->smu_version = info.version;
536           result = smu7_upload_smc_firmware_data(hwmgr, info.image_size, (uint32_t *)info.kptr, SMU7_SMC_SIZE);
537 
538           return result;
539 }
540 
execute_pwr_table(struct pp_hwmgr * hwmgr,const PWR_Command_Table * pvirus,int size)541 static void execute_pwr_table(struct pp_hwmgr *hwmgr, const PWR_Command_Table *pvirus, int size)
542 {
543           int i;
544           uint32_t reg, data;
545 
546           for (i = 0; i < size; i++) {
547                     reg  = pvirus->reg;
548                     data = pvirus->data;
549                     if (reg != 0xffffffff)
550                               cgs_write_register(hwmgr->device, reg, data);
551                     else
552                               break;
553                     pvirus++;
554           }
555 }
556 
execute_pwr_dfy_table(struct pp_hwmgr * hwmgr,const PWR_DFY_Section * section)557 static void execute_pwr_dfy_table(struct pp_hwmgr *hwmgr, const PWR_DFY_Section *section)
558 {
559           int i;
560 
561           cgs_write_register(hwmgr->device, mmCP_DFY_CNTL, section->dfy_cntl);
562           cgs_write_register(hwmgr->device, mmCP_DFY_ADDR_HI, section->dfy_addr_hi);
563           cgs_write_register(hwmgr->device, mmCP_DFY_ADDR_LO, section->dfy_addr_lo);
564           for (i = 0; i < section->dfy_size; i++)
565                     cgs_write_register(hwmgr->device, mmCP_DFY_DATA_0, section->dfy_data[i]);
566 }
567 
smu7_setup_pwr_virus(struct pp_hwmgr * hwmgr)568 int smu7_setup_pwr_virus(struct pp_hwmgr *hwmgr)
569 {
570           execute_pwr_table(hwmgr, pwr_virus_table_pre, ARRAY_SIZE(pwr_virus_table_pre));
571           execute_pwr_dfy_table(hwmgr, &pwr_virus_section1);
572           execute_pwr_dfy_table(hwmgr, &pwr_virus_section2);
573           execute_pwr_dfy_table(hwmgr, &pwr_virus_section3);
574           execute_pwr_dfy_table(hwmgr, &pwr_virus_section4);
575           execute_pwr_dfy_table(hwmgr, &pwr_virus_section5);
576           execute_pwr_dfy_table(hwmgr, &pwr_virus_section6);
577           execute_pwr_table(hwmgr, pwr_virus_table_post, ARRAY_SIZE(pwr_virus_table_post));
578 
579           return 0;
580 }
581 
smu7_init(struct pp_hwmgr * hwmgr)582 int smu7_init(struct pp_hwmgr *hwmgr)
583 {
584           struct smu7_smumgr *smu_data;
585           int r;
586           /* Allocate memory for backend private data */
587           smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
588           smu_data->header_buffer.data_size =
589                               ((sizeof(struct SMU_DRAMData_TOC) / 4096) + 1) * 4096;
590 
591 /* Allocate FW image data structure and header buffer and
592  * send the header buffer address to SMU */
593           r = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
594                     smu_data->header_buffer.data_size,
595                     PAGE_SIZE,
596                     AMDGPU_GEM_DOMAIN_VRAM,
597                     &smu_data->header_buffer.handle,
598                     (u64 *)&smu_data->header_buffer.mc_addr,
599                     &smu_data->header_buffer.kaddr);
600 
601           if (r)
602                     return -EINVAL;
603 
604           if (!hwmgr->not_vf)
605                     return 0;
606 
607           smu_data->smu_buffer.data_size = 200*4096;
608           r = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
609                     smu_data->smu_buffer.data_size,
610                     PAGE_SIZE,
611                     AMDGPU_GEM_DOMAIN_VRAM,
612                     &smu_data->smu_buffer.handle,
613                     (u64 *)&smu_data->smu_buffer.mc_addr,
614                     &smu_data->smu_buffer.kaddr);
615 
616           if (r) {
617                     amdgpu_bo_free_kernel(&smu_data->header_buffer.handle,
618                                                   (u64 *)&smu_data->header_buffer.mc_addr,
619                                                   &smu_data->header_buffer.kaddr);
620                     return -EINVAL;
621           }
622 
623           if (smum_is_hw_avfs_present(hwmgr))
624                     hwmgr->avfs_supported = true;
625 
626           return 0;
627 }
628 
629 
smu7_smu_fini(struct pp_hwmgr * hwmgr)630 int smu7_smu_fini(struct pp_hwmgr *hwmgr)
631 {
632           struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
633 
634           amdgpu_bo_free_kernel(&smu_data->header_buffer.handle,
635                                                   (u64 *)&smu_data->header_buffer.mc_addr,
636                                                   &smu_data->header_buffer.kaddr);
637 
638           if (hwmgr->not_vf)
639                     amdgpu_bo_free_kernel(&smu_data->smu_buffer.handle,
640                                                   (u64 *)&smu_data->smu_buffer.mc_addr,
641                                                   &smu_data->smu_buffer.kaddr);
642 
643 
644           kfree(smu_data->toc);
645           smu_data->toc = NULL;
646           kfree(hwmgr->smu_backend);
647           hwmgr->smu_backend = NULL;
648           return 0;
649 }
650