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