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 static 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 	struct amdgpu_device *adev = hwmgr->adev;
46 
47 	PP_ASSERT_WITH_CODE(table_id < TABLE_COUNT,
48 			"Invalid SMU Table ID!", return -EINVAL);
49 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
50 			"Invalid SMU Table version!", return -EINVAL);
51 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
52 			"Invalid SMU Table Length!", return -EINVAL);
53 	PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
54 			PPSMC_MSG_SetDriverDramAddrHigh,
55 			upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
56 			NULL) == 0,
57 			"[CopyTableFromSMC] Attempt to Set Dram Addr High Failed!", return -EINVAL);
58 	PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
59 			PPSMC_MSG_SetDriverDramAddrLow,
60 			lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
61 			NULL) == 0,
62 			"[CopyTableFromSMC] Attempt to Set Dram Addr Low Failed!",
63 			return -EINVAL);
64 	PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
65 			PPSMC_MSG_TransferTableSmu2Dram,
66 			table_id,
67 			NULL) == 0,
68 			"[CopyTableFromSMC] Attempt to Transfer Table From SMU Failed!",
69 			return -EINVAL);
70 
71 	/* flush hdp cache */
72 	amdgpu_asic_flush_hdp(adev, NULL);
73 
74 	memcpy(table, priv->smu_tables.entry[table_id].table,
75 			priv->smu_tables.entry[table_id].size);
76 
77 	return 0;
78 }
79 
80 /*
81  * Copy table from Driver FB into SMC
82  * @param   hwmgr    the address of the HW manager
83  * @param   table_id    the table to copy from
84  */
vega12_copy_table_to_smc(struct pp_hwmgr * hwmgr,uint8_t * table,int16_t table_id)85 static int vega12_copy_table_to_smc(struct pp_hwmgr *hwmgr,
86 				    uint8_t *table, int16_t table_id)
87 {
88 	struct vega12_smumgr *priv =
89 			(struct vega12_smumgr *)(hwmgr->smu_backend);
90 	struct amdgpu_device *adev = hwmgr->adev;
91 
92 	PP_ASSERT_WITH_CODE(table_id < TABLE_COUNT,
93 			"Invalid SMU Table ID!", return -EINVAL);
94 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
95 			"Invalid SMU Table version!", return -EINVAL);
96 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
97 			"Invalid SMU Table Length!", return -EINVAL);
98 
99 	memcpy(priv->smu_tables.entry[table_id].table, table,
100 			priv->smu_tables.entry[table_id].size);
101 
102 	amdgpu_asic_flush_hdp(adev, NULL);
103 
104 	PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
105 			PPSMC_MSG_SetDriverDramAddrHigh,
106 			upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
107 			NULL) == 0,
108 			"[CopyTableToSMC] Attempt to Set Dram Addr High Failed!",
109 			return -EINVAL;);
110 	PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
111 			PPSMC_MSG_SetDriverDramAddrLow,
112 			lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
113 			NULL) == 0,
114 			"[CopyTableToSMC] Attempt to Set Dram Addr Low Failed!",
115 			return -EINVAL);
116 	PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
117 			PPSMC_MSG_TransferTableDram2Smu,
118 			table_id,
119 			NULL) == 0,
120 			"[CopyTableToSMC] Attempt to Transfer Table To SMU Failed!",
121 			return -EINVAL);
122 
123 	return 0;
124 }
125 
vega12_enable_smc_features(struct pp_hwmgr * hwmgr,bool enable,uint64_t feature_mask)126 int vega12_enable_smc_features(struct pp_hwmgr *hwmgr,
127 		bool enable, uint64_t feature_mask)
128 {
129 	uint32_t smu_features_low, smu_features_high;
130 
131 	smu_features_low = (uint32_t)((feature_mask & SMU_FEATURES_LOW_MASK) >> SMU_FEATURES_LOW_SHIFT);
132 	smu_features_high = (uint32_t)((feature_mask & SMU_FEATURES_HIGH_MASK) >> SMU_FEATURES_HIGH_SHIFT);
133 
134 	if (enable) {
135 		PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
136 				PPSMC_MSG_EnableSmuFeaturesLow, smu_features_low, NULL) == 0,
137 				"[EnableDisableSMCFeatures] Attempt to enable SMU features Low failed!",
138 				return -EINVAL);
139 		PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
140 				PPSMC_MSG_EnableSmuFeaturesHigh, smu_features_high, NULL) == 0,
141 				"[EnableDisableSMCFeatures] Attempt to enable SMU features High failed!",
142 				return -EINVAL);
143 	} else {
144 		PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
145 				PPSMC_MSG_DisableSmuFeaturesLow, smu_features_low, NULL) == 0,
146 				"[EnableDisableSMCFeatures] Attempt to disable SMU features Low failed!",
147 				return -EINVAL);
148 		PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
149 				PPSMC_MSG_DisableSmuFeaturesHigh, smu_features_high, NULL) == 0,
150 				"[EnableDisableSMCFeatures] Attempt to disable SMU features High failed!",
151 				return -EINVAL);
152 	}
153 
154 	return 0;
155 }
156 
vega12_get_enabled_smc_features(struct pp_hwmgr * hwmgr,uint64_t * features_enabled)157 int vega12_get_enabled_smc_features(struct pp_hwmgr *hwmgr,
158 		uint64_t *features_enabled)
159 {
160 	uint32_t smc_features_low, smc_features_high;
161 
162 	if (features_enabled == NULL)
163 		return -EINVAL;
164 
165 	PP_ASSERT_WITH_CODE(smum_send_msg_to_smc(hwmgr,
166 			PPSMC_MSG_GetEnabledSmuFeaturesLow,
167 			&smc_features_low) == 0,
168 			"[GetEnabledSMCFeatures] Attempt to get SMU features Low failed!",
169 			return -EINVAL);
170 
171 	PP_ASSERT_WITH_CODE(smum_send_msg_to_smc(hwmgr,
172 			PPSMC_MSG_GetEnabledSmuFeaturesHigh,
173 			&smc_features_high) == 0,
174 			"[GetEnabledSMCFeatures] Attempt to get SMU features High failed!",
175 			return -EINVAL);
176 
177 	*features_enabled = ((((uint64_t)smc_features_low << SMU_FEATURES_LOW_SHIFT) & SMU_FEATURES_LOW_MASK) |
178 			(((uint64_t)smc_features_high << SMU_FEATURES_HIGH_SHIFT) & SMU_FEATURES_HIGH_MASK));
179 
180 	return 0;
181 }
182 
vega12_is_dpm_running(struct pp_hwmgr * hwmgr)183 static bool vega12_is_dpm_running(struct pp_hwmgr *hwmgr)
184 {
185 	uint64_t features_enabled = 0;
186 
187 	vega12_get_enabled_smc_features(hwmgr, &features_enabled);
188 
189 	if (features_enabled & SMC_DPM_FEATURES)
190 		return true;
191 	else
192 		return false;
193 }
194 
vega12_set_tools_address(struct pp_hwmgr * hwmgr)195 static int vega12_set_tools_address(struct pp_hwmgr *hwmgr)
196 {
197 	struct vega12_smumgr *priv =
198 			(struct vega12_smumgr *)(hwmgr->smu_backend);
199 
200 	if (priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr) {
201 		if (!smum_send_msg_to_smc_with_parameter(hwmgr,
202 				PPSMC_MSG_SetToolsDramAddrHigh,
203 				upper_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr),
204 				NULL))
205 			smum_send_msg_to_smc_with_parameter(hwmgr,
206 					PPSMC_MSG_SetToolsDramAddrLow,
207 					lower_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr),
208 					NULL);
209 	}
210 	return 0;
211 }
212 
vega12_smu_init(struct pp_hwmgr * hwmgr)213 static int vega12_smu_init(struct pp_hwmgr *hwmgr)
214 {
215 	struct vega12_smumgr *priv;
216 	unsigned long tools_size;
217 	struct cgs_firmware_info info = {0};
218 	int ret;
219 
220 	ret = cgs_get_firmware_info(hwmgr->device, CGS_UCODE_ID_SMU,
221 				&info);
222 	if (ret || !info.kptr)
223 		return -EINVAL;
224 
225 	priv = kzalloc(sizeof(struct vega12_smumgr), GFP_KERNEL);
226 	if (!priv)
227 		return -ENOMEM;
228 
229 	hwmgr->smu_backend = priv;
230 
231 	/* allocate space for pptable */
232 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
233 			sizeof(PPTable_t),
234 			PAGE_SIZE,
235 			AMDGPU_GEM_DOMAIN_VRAM,
236 			&priv->smu_tables.entry[TABLE_PPTABLE].handle,
237 			&priv->smu_tables.entry[TABLE_PPTABLE].mc_addr,
238 			&priv->smu_tables.entry[TABLE_PPTABLE].table);
239 	if (ret)
240 		goto free_backend;
241 
242 	priv->smu_tables.entry[TABLE_PPTABLE].version = 0x01;
243 	priv->smu_tables.entry[TABLE_PPTABLE].size = sizeof(PPTable_t);
244 
245 	/* allocate space for watermarks table */
246 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
247 				      sizeof(Watermarks_t),
248 				      PAGE_SIZE,
249 				      AMDGPU_GEM_DOMAIN_VRAM,
250 				      &priv->smu_tables.entry[TABLE_WATERMARKS].handle,
251 				      &priv->smu_tables.entry[TABLE_WATERMARKS].mc_addr,
252 				      &priv->smu_tables.entry[TABLE_WATERMARKS].table);
253 
254 	if (ret)
255 		goto err0;
256 
257 	priv->smu_tables.entry[TABLE_WATERMARKS].version = 0x01;
258 	priv->smu_tables.entry[TABLE_WATERMARKS].size = sizeof(Watermarks_t);
259 
260 	tools_size = 0x19000;
261 	if (tools_size) {
262 		ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
263 					      tools_size,
264 					      PAGE_SIZE,
265 					      AMDGPU_GEM_DOMAIN_VRAM,
266 					      &priv->smu_tables.entry[TABLE_PMSTATUSLOG].handle,
267 					      &priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr,
268 					      &priv->smu_tables.entry[TABLE_PMSTATUSLOG].table);
269 		if (ret)
270 			goto err1;
271 
272 		priv->smu_tables.entry[TABLE_PMSTATUSLOG].version = 0x01;
273 		priv->smu_tables.entry[TABLE_PMSTATUSLOG].size = tools_size;
274 	}
275 
276 	/* allocate space for AVFS Fuse table */
277 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
278 				      sizeof(AvfsFuseOverride_t),
279 				      PAGE_SIZE,
280 				      AMDGPU_GEM_DOMAIN_VRAM,
281 				      &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].handle,
282 				      &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].mc_addr,
283 				      &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].table);
284 
285 	if (ret)
286 		goto err2;
287 
288 	priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].version = 0x01;
289 	priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].size = sizeof(AvfsFuseOverride_t);
290 
291 	/* allocate space for OverDrive table */
292 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
293 				      sizeof(OverDriveTable_t),
294 				      PAGE_SIZE,
295 				      AMDGPU_GEM_DOMAIN_VRAM,
296 				      &priv->smu_tables.entry[TABLE_OVERDRIVE].handle,
297 				      &priv->smu_tables.entry[TABLE_OVERDRIVE].mc_addr,
298 				      &priv->smu_tables.entry[TABLE_OVERDRIVE].table);
299 	if (ret)
300 		goto err3;
301 
302 	priv->smu_tables.entry[TABLE_OVERDRIVE].version = 0x01;
303 	priv->smu_tables.entry[TABLE_OVERDRIVE].size = sizeof(OverDriveTable_t);
304 
305 	/* allocate space for SMU_METRICS table */
306 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
307 				      sizeof(SmuMetrics_t),
308 				      PAGE_SIZE,
309 				      AMDGPU_GEM_DOMAIN_VRAM,
310 				      &priv->smu_tables.entry[TABLE_SMU_METRICS].handle,
311 				      &priv->smu_tables.entry[TABLE_SMU_METRICS].mc_addr,
312 				      &priv->smu_tables.entry[TABLE_SMU_METRICS].table);
313 	if (ret)
314 		goto err4;
315 
316 	priv->smu_tables.entry[TABLE_SMU_METRICS].version = 0x01;
317 	priv->smu_tables.entry[TABLE_SMU_METRICS].size = sizeof(SmuMetrics_t);
318 
319 	return 0;
320 
321 err4:
322 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_OVERDRIVE].handle,
323 				&priv->smu_tables.entry[TABLE_OVERDRIVE].mc_addr,
324 				&priv->smu_tables.entry[TABLE_OVERDRIVE].table);
325 err3:
326 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].handle,
327 				&priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].mc_addr,
328 				&priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].table);
329 err2:
330 	if (priv->smu_tables.entry[TABLE_PMSTATUSLOG].table)
331 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PMSTATUSLOG].handle,
332 				&priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr,
333 				&priv->smu_tables.entry[TABLE_PMSTATUSLOG].table);
334 err1:
335 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_WATERMARKS].handle,
336 				&priv->smu_tables.entry[TABLE_WATERMARKS].mc_addr,
337 				&priv->smu_tables.entry[TABLE_WATERMARKS].table);
338 err0:
339 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PPTABLE].handle,
340 			&priv->smu_tables.entry[TABLE_PPTABLE].mc_addr,
341 			&priv->smu_tables.entry[TABLE_PPTABLE].table);
342 free_backend:
343 	kfree(hwmgr->smu_backend);
344 
345 	return -EINVAL;
346 }
347 
vega12_smu_fini(struct pp_hwmgr * hwmgr)348 static int vega12_smu_fini(struct pp_hwmgr *hwmgr)
349 {
350 	struct vega12_smumgr *priv =
351 			(struct vega12_smumgr *)(hwmgr->smu_backend);
352 
353 	if (priv) {
354 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PPTABLE].handle,
355 				      &priv->smu_tables.entry[TABLE_PPTABLE].mc_addr,
356 				      &priv->smu_tables.entry[TABLE_PPTABLE].table);
357 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_WATERMARKS].handle,
358 				      &priv->smu_tables.entry[TABLE_WATERMARKS].mc_addr,
359 				      &priv->smu_tables.entry[TABLE_WATERMARKS].table);
360 		if (priv->smu_tables.entry[TABLE_PMSTATUSLOG].table)
361 			amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PMSTATUSLOG].handle,
362 					      &priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr,
363 					      &priv->smu_tables.entry[TABLE_PMSTATUSLOG].table);
364 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].handle,
365 				      &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].mc_addr,
366 				      &priv->smu_tables.entry[TABLE_AVFS_FUSE_OVERRIDE].table);
367 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_OVERDRIVE].handle,
368 				      &priv->smu_tables.entry[TABLE_OVERDRIVE].mc_addr,
369 				      &priv->smu_tables.entry[TABLE_OVERDRIVE].table);
370 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_SMU_METRICS].handle,
371 				      &priv->smu_tables.entry[TABLE_SMU_METRICS].mc_addr,
372 				      &priv->smu_tables.entry[TABLE_SMU_METRICS].table);
373 		kfree(hwmgr->smu_backend);
374 		hwmgr->smu_backend = NULL;
375 	}
376 	return 0;
377 }
378 
vega12_start_smu(struct pp_hwmgr * hwmgr)379 static int vega12_start_smu(struct pp_hwmgr *hwmgr)
380 {
381 	PP_ASSERT_WITH_CODE(smu9_is_smc_ram_running(hwmgr),
382 			"SMC is not running!",
383 			return -EINVAL);
384 
385 	vega12_set_tools_address(hwmgr);
386 
387 	return 0;
388 }
389 
vega12_smc_table_manager(struct pp_hwmgr * hwmgr,uint8_t * table,uint16_t table_id,bool rw)390 static int vega12_smc_table_manager(struct pp_hwmgr *hwmgr, uint8_t *table,
391 				    uint16_t table_id, bool rw)
392 {
393 	int ret;
394 
395 	if (rw)
396 		ret = vega12_copy_table_from_smc(hwmgr, table, table_id);
397 	else
398 		ret = vega12_copy_table_to_smc(hwmgr, table, table_id);
399 
400 	return ret;
401 }
402 
403 const struct pp_smumgr_func vega12_smu_funcs = {
404 	.name = "vega12_smu",
405 	.smu_init = &vega12_smu_init,
406 	.smu_fini = &vega12_smu_fini,
407 	.start_smu = &vega12_start_smu,
408 	.request_smu_load_specific_fw = NULL,
409 	.send_msg_to_smc = &smu9_send_msg_to_smc,
410 	.send_msg_to_smc_with_parameter = &smu9_send_msg_to_smc_with_parameter,
411 	.download_pptable_settings = NULL,
412 	.upload_pptable_settings = NULL,
413 	.is_dpm_running = vega12_is_dpm_running,
414 	.get_argument = smu9_get_argument,
415 	.smc_table_manager = vega12_smc_table_manager,
416 };
417