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 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  */
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 
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 
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 
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 
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 
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 
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 
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