xref: /dragonfly/sys/dev/drm/amd/powerplay/smumgr/vega12_smumgr.c (revision 789731325bde747251c28a37e0a00ed4efb88c46)
1 /*
2  * Copyright 2017 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 "smumgr.h"
25 #include "vega12_inc.h"
26 #include "soc15_common.h"
27 #include "smu9_smumgr.h"
28 #include "vega12_smumgr.h"
29 #include "vega12_ppsmc.h"
30 #include "vega12/smu9_driver_if.h"
31 #include "ppatomctrl.h"
32 #include "pp_debug.h"
33 
34 
35 /*
36  * Copy table from SMC into driver FB
37  * @param   hwmgr    the address of the HW manager
38  * @param   table_id    the driver's table ID to copy from
39  */
vega12_copy_table_from_smc(struct pp_hwmgr * hwmgr,uint8_t * table,int16_t table_id)40 int vega12_copy_table_from_smc(struct pp_hwmgr *hwmgr,
41                     uint8_t *table, int16_t table_id)
42 {
43           struct vega12_smumgr *priv =
44                               (struct vega12_smumgr *)(hwmgr->smu_backend);
45 
46           PP_ASSERT_WITH_CODE(table_id < TABLE_COUNT,
47                               "Invalid SMU Table ID!", return -EINVAL);
48           PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
49                               "Invalid SMU Table version!", return -EINVAL);
50           PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
51                               "Invalid SMU Table Length!", return -EINVAL);
52           PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
53                               PPSMC_MSG_SetDriverDramAddrHigh,
54                               upper_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0,
55                               "[CopyTableFromSMC] Attempt to Set Dram Addr High Failed!", return -EINVAL);
56           PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
57                               PPSMC_MSG_SetDriverDramAddrLow,
58                               lower_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0,
59                               "[CopyTableFromSMC] Attempt to Set Dram Addr Low Failed!",
60                               return -EINVAL);
61           PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
62                               PPSMC_MSG_TransferTableSmu2Dram,
63                               table_id) == 0,
64                               "[CopyTableFromSMC] Attempt to Transfer Table From SMU Failed!",
65                               return -EINVAL);
66 
67           memcpy(table, priv->smu_tables.entry[table_id].table,
68                               priv->smu_tables.entry[table_id].size);
69 
70           return 0;
71 }
72 
73 /*
74  * Copy table from Driver FB into SMC
75  * @param   hwmgr    the address of the HW manager
76  * @param   table_id    the table to copy from
77  */
vega12_copy_table_to_smc(struct pp_hwmgr * hwmgr,uint8_t * table,int16_t table_id)78 int vega12_copy_table_to_smc(struct pp_hwmgr *hwmgr,
79                     uint8_t *table, int16_t table_id)
80 {
81           struct vega12_smumgr *priv =
82                               (struct vega12_smumgr *)(hwmgr->smu_backend);
83 
84           PP_ASSERT_WITH_CODE(table_id < TABLE_COUNT,
85                               "Invalid SMU Table ID!", return -EINVAL);
86           PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
87                               "Invalid SMU Table version!", return -EINVAL);
88           PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
89                               "Invalid SMU Table Length!", return -EINVAL);
90 
91           memcpy(priv->smu_tables.entry[table_id].table, table,
92                               priv->smu_tables.entry[table_id].size);
93 
94           PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
95                               PPSMC_MSG_SetDriverDramAddrHigh,
96                               upper_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0,
97                               "[CopyTableToSMC] Attempt to Set Dram Addr High Failed!",
98                               return -EINVAL;);
99           PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
100                               PPSMC_MSG_SetDriverDramAddrLow,
101                               lower_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0,
102                               "[CopyTableToSMC] Attempt to Set Dram Addr Low Failed!",
103                               return -EINVAL);
104           PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
105                               PPSMC_MSG_TransferTableDram2Smu,
106                               table_id) == 0,
107                               "[CopyTableToSMC] Attempt to Transfer Table To SMU Failed!",
108                               return -EINVAL);
109 
110           return 0;
111 }
112 
vega12_enable_smc_features(struct pp_hwmgr * hwmgr,bool enable,uint64_t feature_mask)113 int vega12_enable_smc_features(struct pp_hwmgr *hwmgr,
114                     bool enable, uint64_t feature_mask)
115 {
116           uint32_t smu_features_low, smu_features_high;
117 
118           smu_features_low = (uint32_t)((feature_mask & SMU_FEATURES_LOW_MASK) >> SMU_FEATURES_LOW_SHIFT);
119           smu_features_high = (uint32_t)((feature_mask & SMU_FEATURES_HIGH_MASK) >> SMU_FEATURES_HIGH_SHIFT);
120 
121           if (enable) {
122                     PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
123                                         PPSMC_MSG_EnableSmuFeaturesLow, smu_features_low) == 0,
124                                         "[EnableDisableSMCFeatures] Attemp to enable SMU features Low failed!",
125                                         return -EINVAL);
126                     PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
127                                         PPSMC_MSG_EnableSmuFeaturesHigh, smu_features_high) == 0,
128                                         "[EnableDisableSMCFeatures] Attemp to enable SMU features High failed!",
129                                         return -EINVAL);
130           } else {
131                     PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
132                                         PPSMC_MSG_DisableSmuFeaturesLow, smu_features_low) == 0,
133                                         "[EnableDisableSMCFeatures] Attemp to disable SMU features Low failed!",
134                                         return -EINVAL);
135                     PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
136                                         PPSMC_MSG_DisableSmuFeaturesHigh, smu_features_high) == 0,
137                                         "[EnableDisableSMCFeatures] Attemp to disable SMU features High failed!",
138                                         return -EINVAL);
139           }
140 
141           return 0;
142 }
143 
vega12_get_enabled_smc_features(struct pp_hwmgr * hwmgr,uint64_t * features_enabled)144 int vega12_get_enabled_smc_features(struct pp_hwmgr *hwmgr,
145                     uint64_t *features_enabled)
146 {
147           uint32_t smc_features_low, smc_features_high;
148 
149           if (features_enabled == NULL)
150                     return -EINVAL;
151 
152           PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc(hwmgr,
153                               PPSMC_MSG_GetEnabledSmuFeaturesLow) == 0,
154                               "[GetEnabledSMCFeatures] Attemp to get SMU features Low failed!",
155                               return -EINVAL);
156           smc_features_low = smu9_get_argument(hwmgr);
157 
158           PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc(hwmgr,
159                               PPSMC_MSG_GetEnabledSmuFeaturesHigh) == 0,
160                               "[GetEnabledSMCFeatures] Attemp to get SMU features High failed!",
161                               return -EINVAL);
162           smc_features_high = smu9_get_argument(hwmgr);
163 
164           *features_enabled = ((((uint64_t)smc_features_low << SMU_FEATURES_LOW_SHIFT) & SMU_FEATURES_LOW_MASK) |
165                               (((uint64_t)smc_features_high << SMU_FEATURES_HIGH_SHIFT) & SMU_FEATURES_HIGH_MASK));
166 
167           return 0;
168 }
169 
vega12_is_dpm_running(struct pp_hwmgr * hwmgr)170 static bool vega12_is_dpm_running(struct pp_hwmgr *hwmgr)
171 {
172           uint64_t features_enabled = 0;
173 
174           vega12_get_enabled_smc_features(hwmgr, &features_enabled);
175 
176           if (features_enabled & SMC_DPM_FEATURES)
177                     return true;
178           else
179                     return false;
180 }
181 
vega12_set_tools_address(struct pp_hwmgr * hwmgr)182 static int vega12_set_tools_address(struct pp_hwmgr *hwmgr)
183 {
184           struct vega12_smumgr *priv =
185                               (struct vega12_smumgr *)(hwmgr->smu_backend);
186 
187           if (priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr) {
188                     if (!smu9_send_msg_to_smc_with_parameter(hwmgr,
189                                         PPSMC_MSG_SetToolsDramAddrHigh,
190                                         upper_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr)))
191                               smu9_send_msg_to_smc_with_parameter(hwmgr,
192                                                   PPSMC_MSG_SetToolsDramAddrLow,
193                                                   lower_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr));
194           }
195           return 0;
196 }
197 
vega12_smu_init(struct pp_hwmgr * hwmgr)198 static int vega12_smu_init(struct pp_hwmgr *hwmgr)
199 {
200           struct vega12_smumgr *priv;
201           unsigned long tools_size;
202           struct cgs_firmware_info info = {0};
203           int ret;
204 
205           ret = cgs_get_firmware_info(hwmgr->device, CGS_UCODE_ID_SMU,
206                                         &info);
207           if (ret || !info.kptr)
208                     return -EINVAL;
209 
210           priv = kzalloc(sizeof(struct vega12_smumgr), GFP_KERNEL);
211           if (!priv)
212                     return -ENOMEM;
213 
214           hwmgr->smu_backend = priv;
215 
216           /* allocate space for pptable */
217           ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
218                               sizeof(PPTable_t),
219                               PAGE_SIZE,
220                               AMDGPU_GEM_DOMAIN_VRAM,
221                               &priv->smu_tables.entry[TABLE_PPTABLE].handle,
222                               (u64 *)&priv->smu_tables.entry[TABLE_PPTABLE].mc_addr,
223                               &priv->smu_tables.entry[TABLE_PPTABLE].table);
224           if (ret)
225                     goto free_backend;
226 
227           priv->smu_tables.entry[TABLE_PPTABLE].version = 0x01;
228           priv->smu_tables.entry[TABLE_PPTABLE].size = sizeof(PPTable_t);
229 
230           /* allocate space for watermarks table */
231           ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
232                                               sizeof(Watermarks_t),
233                                               PAGE_SIZE,
234                                               AMDGPU_GEM_DOMAIN_VRAM,
235                                               &priv->smu_tables.entry[TABLE_WATERMARKS].handle,
236                                               (u64 *)&priv->smu_tables.entry[TABLE_WATERMARKS].mc_addr,
237                                               &priv->smu_tables.entry[TABLE_WATERMARKS].table);
238 
239           if (ret)
240                     goto err0;
241 
242           priv->smu_tables.entry[TABLE_WATERMARKS].version = 0x01;
243           priv->smu_tables.entry[TABLE_WATERMARKS].size = sizeof(Watermarks_t);
244 
245           tools_size = 0x19000;
246           if (tools_size) {
247                     ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
248                                                         tools_size,
249                                                         PAGE_SIZE,
250                                                         AMDGPU_GEM_DOMAIN_VRAM,
251                                                         &priv->smu_tables.entry[TABLE_PMSTATUSLOG].handle,
252                                                         (u64 *)&priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr,
253                                                         &priv->smu_tables.entry[TABLE_PMSTATUSLOG].table);
254                     if (ret)
255                               goto err1;
256 
257                     priv->smu_tables.entry[TABLE_PMSTATUSLOG].version = 0x01;
258                     priv->smu_tables.entry[TABLE_PMSTATUSLOG].size = tools_size;
259           }
260 
261           /* allocate space for AVFS Fuse table */
262           ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
263                                               sizeof(AvfsFuseOverride_t),
264                                               PAGE_SIZE,
265                                               AMDGPU_GEM_DOMAIN_VRAM,
266                                               &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].handle,
267                                               (u64 *)&priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].mc_addr,
268                                               &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].table);
269 
270           if (ret)
271                     goto err2;
272 
273           priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].version = 0x01;
274           priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].size = sizeof(AvfsFuseOverride_t);
275 
276           /* allocate space for OverDrive table */
277           ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
278                                               sizeof(OverDriveTable_t),
279                                               PAGE_SIZE,
280                                               AMDGPU_GEM_DOMAIN_VRAM,
281                                               &priv->smu_tables.entry[TABLE_OVERDRIVE].handle,
282                                               (u64 *)&priv->smu_tables.entry[TABLE_OVERDRIVE].mc_addr,
283                                               &priv->smu_tables.entry[TABLE_OVERDRIVE].table);
284           if (ret)
285                     goto err3;
286 
287           priv->smu_tables.entry[TABLE_OVERDRIVE].version = 0x01;
288           priv->smu_tables.entry[TABLE_OVERDRIVE].size = sizeof(OverDriveTable_t);
289 
290           return 0;
291 
292 err3:
293           amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].handle,
294                                         (u64 *)&priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].mc_addr,
295                                         &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].table);
296 err2:
297           if (priv->smu_tables.entry[TABLE_PMSTATUSLOG].table)
298                     amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PMSTATUSLOG].handle,
299                                         (u64 *)&priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr,
300                                         &priv->smu_tables.entry[TABLE_PMSTATUSLOG].table);
301 err1:
302           amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_WATERMARKS].handle,
303                                         (u64 *)&priv->smu_tables.entry[TABLE_WATERMARKS].mc_addr,
304                                         &priv->smu_tables.entry[TABLE_WATERMARKS].table);
305 err0:
306           amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PPTABLE].handle,
307                               (u64 *)&priv->smu_tables.entry[TABLE_PPTABLE].mc_addr,
308                               &priv->smu_tables.entry[TABLE_PPTABLE].table);
309 free_backend:
310           kfree(hwmgr->smu_backend);
311 
312           return -EINVAL;
313 }
314 
vega12_smu_fini(struct pp_hwmgr * hwmgr)315 static int vega12_smu_fini(struct pp_hwmgr *hwmgr)
316 {
317           struct vega12_smumgr *priv =
318                               (struct vega12_smumgr *)(hwmgr->smu_backend);
319 
320           if (priv) {
321                     amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PPTABLE].handle,
322                                               (u64 *)&priv->smu_tables.entry[TABLE_PPTABLE].mc_addr,
323                                               &priv->smu_tables.entry[TABLE_PPTABLE].table);
324                     amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_WATERMARKS].handle,
325                                               (u64 *)&priv->smu_tables.entry[TABLE_WATERMARKS].mc_addr,
326                                               &priv->smu_tables.entry[TABLE_WATERMARKS].table);
327                     if (priv->smu_tables.entry[TABLE_PMSTATUSLOG].table)
328                               amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PMSTATUSLOG].handle,
329                                                         (u64 *)&priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr,
330                                                         &priv->smu_tables.entry[TABLE_PMSTATUSLOG].table);
331                     amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].handle,
332                                               (u64 *)&priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].mc_addr,
333                                               &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].table);
334                     amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_OVERDRIVE].handle,
335                                               (u64 *)&priv->smu_tables.entry[TABLE_OVERDRIVE].mc_addr,
336                                               &priv->smu_tables.entry[TABLE_OVERDRIVE].table);
337                     kfree(hwmgr->smu_backend);
338                     hwmgr->smu_backend = NULL;
339           }
340           return 0;
341 }
342 
vega12_start_smu(struct pp_hwmgr * hwmgr)343 static int vega12_start_smu(struct pp_hwmgr *hwmgr)
344 {
345           PP_ASSERT_WITH_CODE(smu9_is_smc_ram_running(hwmgr),
346                               "SMC is not running!",
347                               return -EINVAL);
348 
349           vega12_set_tools_address(hwmgr);
350 
351           return 0;
352 }
353 
354 const struct pp_smumgr_func vega12_smu_funcs = {
355           .smu_init = &vega12_smu_init,
356           .smu_fini = &vega12_smu_fini,
357           .start_smu = &vega12_start_smu,
358           .request_smu_load_specific_fw = NULL,
359           .send_msg_to_smc = &smu9_send_msg_to_smc,
360           .send_msg_to_smc_with_parameter = &smu9_send_msg_to_smc_with_parameter,
361           .download_pptable_settings = NULL,
362           .upload_pptable_settings = NULL,
363           .is_dpm_running = vega12_is_dpm_running,
364           .get_argument = smu9_get_argument,
365 };
366