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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 <linux/pci.h>
25 
26 #include "smumgr.h"
27 #include "vega10_inc.h"
28 #include "soc15_common.h"
29 #include "vega10_smumgr.h"
30 #include "vega10_hwmgr.h"
31 #include "vega10_ppsmc.h"
32 #include "smu9_driver_if.h"
33 #include "smu9_smumgr.h"
34 #include "ppatomctrl.h"
35 #include "pp_debug.h"
36 
37 
vega10_copy_table_from_smc(struct pp_hwmgr * hwmgr,uint8_t * table,int16_t table_id)38 static int vega10_copy_table_from_smc(struct pp_hwmgr *hwmgr,
39 		uint8_t *table, int16_t table_id)
40 {
41 	struct vega10_smumgr *priv = hwmgr->smu_backend;
42 	struct amdgpu_device *adev = hwmgr->adev;
43 
44 	PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
45 			"Invalid SMU Table ID!", return -EINVAL);
46 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
47 			"Invalid SMU Table version!", return -EINVAL);
48 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
49 			"Invalid SMU Table Length!", return -EINVAL);
50 	smum_send_msg_to_smc_with_parameter(hwmgr,
51 			PPSMC_MSG_SetDriverDramAddrHigh,
52 			upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
53 			NULL);
54 	smum_send_msg_to_smc_with_parameter(hwmgr,
55 			PPSMC_MSG_SetDriverDramAddrLow,
56 			lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
57 			NULL);
58 	smum_send_msg_to_smc_with_parameter(hwmgr,
59 			PPSMC_MSG_TransferTableSmu2Dram,
60 			priv->smu_tables.entry[table_id].table_id,
61 			NULL);
62 
63 	/* flush hdp cache */
64 	amdgpu_asic_flush_hdp(adev, NULL);
65 
66 	memcpy(table, priv->smu_tables.entry[table_id].table,
67 			priv->smu_tables.entry[table_id].size);
68 
69 	return 0;
70 }
71 
vega10_copy_table_to_smc(struct pp_hwmgr * hwmgr,uint8_t * table,int16_t table_id)72 static int vega10_copy_table_to_smc(struct pp_hwmgr *hwmgr,
73 		uint8_t *table, int16_t table_id)
74 {
75 	struct vega10_smumgr *priv = hwmgr->smu_backend;
76 	struct amdgpu_device *adev = hwmgr->adev;
77 
78 	/* under sriov, vbios or hypervisor driver
79 	 * has already copy table to smc so here only skip it
80 	 */
81 	if (!hwmgr->not_vf)
82 		return 0;
83 
84 	PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
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 	amdgpu_asic_flush_hdp(adev, NULL);
95 
96 	smum_send_msg_to_smc_with_parameter(hwmgr,
97 			PPSMC_MSG_SetDriverDramAddrHigh,
98 			upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
99 			NULL);
100 	smum_send_msg_to_smc_with_parameter(hwmgr,
101 			PPSMC_MSG_SetDriverDramAddrLow,
102 			lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
103 			NULL);
104 	smum_send_msg_to_smc_with_parameter(hwmgr,
105 			PPSMC_MSG_TransferTableDram2Smu,
106 			priv->smu_tables.entry[table_id].table_id,
107 			NULL);
108 
109 	return 0;
110 }
111 
vega10_enable_smc_features(struct pp_hwmgr * hwmgr,bool enable,uint32_t feature_mask)112 int vega10_enable_smc_features(struct pp_hwmgr *hwmgr,
113 			       bool enable, uint32_t feature_mask)
114 {
115 	int msg = enable ? PPSMC_MSG_EnableSmuFeatures :
116 			PPSMC_MSG_DisableSmuFeatures;
117 
118 	/* VF has no permission to change smu feature due
119 	 * to security concern even under pp one vf mode
120 	 * it still can't do it. For vega10, the smu in
121 	 * vbios will enable the appropriate features.
122 	 * */
123 	if (!hwmgr->not_vf)
124 		return 0;
125 
126 	return smum_send_msg_to_smc_with_parameter(hwmgr,
127 			msg, feature_mask, NULL);
128 }
129 
vega10_get_enabled_smc_features(struct pp_hwmgr * hwmgr,uint64_t * features_enabled)130 int vega10_get_enabled_smc_features(struct pp_hwmgr *hwmgr,
131 			    uint64_t *features_enabled)
132 {
133 	uint32_t enabled_features;
134 
135 	if (features_enabled == NULL)
136 		return -EINVAL;
137 
138 	smum_send_msg_to_smc(hwmgr,
139 			PPSMC_MSG_GetEnabledSmuFeatures,
140 			&enabled_features);
141 	*features_enabled = enabled_features;
142 
143 	return 0;
144 }
145 
vega10_is_dpm_running(struct pp_hwmgr * hwmgr)146 static bool vega10_is_dpm_running(struct pp_hwmgr *hwmgr)
147 {
148 	uint64_t features_enabled = 0;
149 
150 	vega10_get_enabled_smc_features(hwmgr, &features_enabled);
151 
152 	if (features_enabled & SMC_DPM_FEATURES)
153 		return true;
154 	else
155 		return false;
156 }
157 
vega10_set_tools_address(struct pp_hwmgr * hwmgr)158 static int vega10_set_tools_address(struct pp_hwmgr *hwmgr)
159 {
160 	struct vega10_smumgr *priv = hwmgr->smu_backend;
161 
162 	if (priv->smu_tables.entry[TOOLSTABLE].mc_addr) {
163 		smum_send_msg_to_smc_with_parameter(hwmgr,
164 				PPSMC_MSG_SetToolsDramAddrHigh,
165 				upper_32_bits(priv->smu_tables.entry[TOOLSTABLE].mc_addr),
166 				NULL);
167 		smum_send_msg_to_smc_with_parameter(hwmgr,
168 				PPSMC_MSG_SetToolsDramAddrLow,
169 				lower_32_bits(priv->smu_tables.entry[TOOLSTABLE].mc_addr),
170 				NULL);
171 	}
172 	return 0;
173 }
174 
vega10_verify_smc_interface(struct pp_hwmgr * hwmgr)175 static int vega10_verify_smc_interface(struct pp_hwmgr *hwmgr)
176 {
177 	uint32_t smc_driver_if_version;
178 	struct amdgpu_device *adev = hwmgr->adev;
179 	uint32_t dev_id;
180 	uint32_t rev_id;
181 
182 	PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
183 			PPSMC_MSG_GetDriverIfVersion,
184 			&smc_driver_if_version),
185 			"Attempt to get SMC IF Version Number Failed!",
186 			return -EINVAL);
187 
188 	dev_id = adev->pdev->device;
189 	rev_id = adev->pdev->revision;
190 
191 	if (!((dev_id == 0x687f) &&
192 		((rev_id == 0xc0) ||
193 		(rev_id == 0xc1) ||
194 		(rev_id == 0xc3)))) {
195 		if (smc_driver_if_version != SMU9_DRIVER_IF_VERSION) {
196 			pr_err("Your firmware(0x%x) doesn't match SMU9_DRIVER_IF_VERSION(0x%x). Please update your firmware!\n",
197 			       smc_driver_if_version, SMU9_DRIVER_IF_VERSION);
198 			return -EINVAL;
199 		}
200 	}
201 
202 	return 0;
203 }
204 
vega10_smu_init(struct pp_hwmgr * hwmgr)205 static int vega10_smu_init(struct pp_hwmgr *hwmgr)
206 {
207 	struct vega10_smumgr *priv;
208 	unsigned long tools_size;
209 	int ret;
210 	struct cgs_firmware_info info = {0};
211 
212 	if (!amdgpu_sriov_vf((struct amdgpu_device *)hwmgr->adev)) {
213 		ret = cgs_get_firmware_info(hwmgr->device,
214 						CGS_UCODE_ID_SMU,
215 						&info);
216 		if (ret || !info.kptr)
217 			return -EINVAL;
218 	}
219 
220 	priv = kzalloc(sizeof(struct vega10_smumgr), GFP_KERNEL);
221 
222 	if (!priv)
223 		return -ENOMEM;
224 
225 	hwmgr->smu_backend = priv;
226 
227 	/* allocate space for pptable */
228 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
229 			sizeof(PPTable_t),
230 			PAGE_SIZE,
231 			AMDGPU_GEM_DOMAIN_VRAM,
232 			&priv->smu_tables.entry[PPTABLE].handle,
233 			&priv->smu_tables.entry[PPTABLE].mc_addr,
234 			&priv->smu_tables.entry[PPTABLE].table);
235 	if (ret)
236 		goto free_backend;
237 
238 	priv->smu_tables.entry[PPTABLE].version = 0x01;
239 	priv->smu_tables.entry[PPTABLE].size = sizeof(PPTable_t);
240 	priv->smu_tables.entry[PPTABLE].table_id = TABLE_PPTABLE;
241 
242 	/* allocate space for watermarks table */
243 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
244 			sizeof(Watermarks_t),
245 			PAGE_SIZE,
246 			AMDGPU_GEM_DOMAIN_VRAM,
247 			&priv->smu_tables.entry[WMTABLE].handle,
248 			&priv->smu_tables.entry[WMTABLE].mc_addr,
249 			&priv->smu_tables.entry[WMTABLE].table);
250 
251 	if (ret)
252 		goto err0;
253 
254 	priv->smu_tables.entry[WMTABLE].version = 0x01;
255 	priv->smu_tables.entry[WMTABLE].size = sizeof(Watermarks_t);
256 	priv->smu_tables.entry[WMTABLE].table_id = TABLE_WATERMARKS;
257 
258 	/* allocate space for AVFS table */
259 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
260 			sizeof(AvfsTable_t),
261 			PAGE_SIZE,
262 			AMDGPU_GEM_DOMAIN_VRAM,
263 			&priv->smu_tables.entry[AVFSTABLE].handle,
264 			&priv->smu_tables.entry[AVFSTABLE].mc_addr,
265 			&priv->smu_tables.entry[AVFSTABLE].table);
266 
267 	if (ret)
268 		goto err1;
269 
270 	priv->smu_tables.entry[AVFSTABLE].version = 0x01;
271 	priv->smu_tables.entry[AVFSTABLE].size = sizeof(AvfsTable_t);
272 	priv->smu_tables.entry[AVFSTABLE].table_id = TABLE_AVFS;
273 
274 	tools_size = 0x19000;
275 	if (tools_size) {
276 		ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
277 				tools_size,
278 				PAGE_SIZE,
279 				AMDGPU_GEM_DOMAIN_VRAM,
280 				&priv->smu_tables.entry[TOOLSTABLE].handle,
281 				&priv->smu_tables.entry[TOOLSTABLE].mc_addr,
282 				&priv->smu_tables.entry[TOOLSTABLE].table);
283 		if (ret)
284 			goto err2;
285 		priv->smu_tables.entry[TOOLSTABLE].version = 0x01;
286 		priv->smu_tables.entry[TOOLSTABLE].size = tools_size;
287 		priv->smu_tables.entry[TOOLSTABLE].table_id = TABLE_PMSTATUSLOG;
288 	}
289 
290 	/* allocate space for AVFS Fuse table */
291 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
292 			sizeof(AvfsFuseOverride_t),
293 			PAGE_SIZE,
294 			AMDGPU_GEM_DOMAIN_VRAM,
295 			&priv->smu_tables.entry[AVFSFUSETABLE].handle,
296 			&priv->smu_tables.entry[AVFSFUSETABLE].mc_addr,
297 			&priv->smu_tables.entry[AVFSFUSETABLE].table);
298 	if (ret)
299 		goto err3;
300 
301 	priv->smu_tables.entry[AVFSFUSETABLE].version = 0x01;
302 	priv->smu_tables.entry[AVFSFUSETABLE].size = sizeof(AvfsFuseOverride_t);
303 	priv->smu_tables.entry[AVFSFUSETABLE].table_id = TABLE_AVFS_FUSE_OVERRIDE;
304 
305 
306 	return 0;
307 
308 err3:
309 	if (priv->smu_tables.entry[TOOLSTABLE].table)
310 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TOOLSTABLE].handle,
311 				&priv->smu_tables.entry[TOOLSTABLE].mc_addr,
312 				&priv->smu_tables.entry[TOOLSTABLE].table);
313 err2:
314 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[AVFSTABLE].handle,
315 				&priv->smu_tables.entry[AVFSTABLE].mc_addr,
316 				&priv->smu_tables.entry[AVFSTABLE].table);
317 err1:
318 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[WMTABLE].handle,
319 				&priv->smu_tables.entry[WMTABLE].mc_addr,
320 				&priv->smu_tables.entry[WMTABLE].table);
321 err0:
322 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[PPTABLE].handle,
323 			&priv->smu_tables.entry[PPTABLE].mc_addr,
324 			&priv->smu_tables.entry[PPTABLE].table);
325 free_backend:
326 	kfree(hwmgr->smu_backend);
327 
328 	return -EINVAL;
329 }
330 
vega10_smu_fini(struct pp_hwmgr * hwmgr)331 static int vega10_smu_fini(struct pp_hwmgr *hwmgr)
332 {
333 	struct vega10_smumgr *priv = hwmgr->smu_backend;
334 
335 	if (priv) {
336 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[PPTABLE].handle,
337 				&priv->smu_tables.entry[PPTABLE].mc_addr,
338 				&priv->smu_tables.entry[PPTABLE].table);
339 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[WMTABLE].handle,
340 					&priv->smu_tables.entry[WMTABLE].mc_addr,
341 					&priv->smu_tables.entry[WMTABLE].table);
342 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[AVFSTABLE].handle,
343 					&priv->smu_tables.entry[AVFSTABLE].mc_addr,
344 					&priv->smu_tables.entry[AVFSTABLE].table);
345 		if (priv->smu_tables.entry[TOOLSTABLE].table)
346 			amdgpu_bo_free_kernel(&priv->smu_tables.entry[TOOLSTABLE].handle,
347 					&priv->smu_tables.entry[TOOLSTABLE].mc_addr,
348 					&priv->smu_tables.entry[TOOLSTABLE].table);
349 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[AVFSFUSETABLE].handle,
350 					&priv->smu_tables.entry[AVFSFUSETABLE].mc_addr,
351 					&priv->smu_tables.entry[AVFSFUSETABLE].table);
352 		kfree(hwmgr->smu_backend);
353 		hwmgr->smu_backend = NULL;
354 	}
355 	return 0;
356 }
357 
vega10_start_smu(struct pp_hwmgr * hwmgr)358 static int vega10_start_smu(struct pp_hwmgr *hwmgr)
359 {
360 	if (!smu9_is_smc_ram_running(hwmgr))
361 		return -EINVAL;
362 
363 	PP_ASSERT_WITH_CODE(!vega10_verify_smc_interface(hwmgr),
364 			"Failed to verify SMC interface!",
365 			return -EINVAL);
366 
367 	vega10_set_tools_address(hwmgr);
368 
369 	return 0;
370 }
371 
vega10_smc_table_manager(struct pp_hwmgr * hwmgr,uint8_t * table,uint16_t table_id,bool rw)372 static int vega10_smc_table_manager(struct pp_hwmgr *hwmgr, uint8_t *table,
373 				    uint16_t table_id, bool rw)
374 {
375 	int ret;
376 
377 	if (rw)
378 		ret = vega10_copy_table_from_smc(hwmgr, table, table_id);
379 	else
380 		ret = vega10_copy_table_to_smc(hwmgr, table, table_id);
381 
382 	return ret;
383 }
384 
385 const struct pp_smumgr_func vega10_smu_funcs = {
386 	.name = "vega10_smu",
387 	.smu_init = &vega10_smu_init,
388 	.smu_fini = &vega10_smu_fini,
389 	.start_smu = &vega10_start_smu,
390 	.request_smu_load_specific_fw = NULL,
391 	.send_msg_to_smc = &smu9_send_msg_to_smc,
392 	.send_msg_to_smc_with_parameter = &smu9_send_msg_to_smc_with_parameter,
393 	.download_pptable_settings = NULL,
394 	.upload_pptable_settings = NULL,
395 	.is_dpm_running = vega10_is_dpm_running,
396 	.get_argument = smu9_get_argument,
397 	.smc_table_manager = vega10_smc_table_manager,
398 };
399